From 3af44c6cb60c07465219d5d77dd5563e5e3f76b6 Mon Sep 17 00:00:00 2001 From: Paolo Insogna Date: Mon, 27 Jun 2022 14:13:00 +0000 Subject: [PATCH 001/147] http: do not leak error listeners PR-URL: https://github.com/nodejs/node/pull/43587 Fixes: https://github.com/nodejs/node/issues/43548 Reviewed-By: Matteo Collina Reviewed-By: Luigi Pinca Reviewed-By: Ricky Zhou <0x19951125@gmail.com> Reviewed-By: Mohammed Keyvanzadeh --- lib/_http_server.js | 5 ++- test/parallel/test-http-socket-listeners.js | 44 +++++++++++++++++++++ 2 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 test/parallel/test-http-socket-listeners.js diff --git a/lib/_http_server.js b/lib/_http_server.js index d44257287a2915..1432ac8e637ad9 100644 --- a/lib/_http_server.js +++ b/lib/_http_server.js @@ -766,7 +766,10 @@ const requestHeaderFieldsTooLargeResponse = Buffer.from( function socketOnError(e) { // Ignore further errors this.removeListener('error', socketOnError); - this.on('error', noop); + + if (this.listenerCount('error') === 0) { + this.on('error', noop); + } if (!this.server.emit('clientError', e, this)) { if (this.writable && this.bytesWritten === 0) { diff --git a/test/parallel/test-http-socket-listeners.js b/test/parallel/test-http-socket-listeners.js new file mode 100644 index 00000000000000..2513bc1a90c9f6 --- /dev/null +++ b/test/parallel/test-http-socket-listeners.js @@ -0,0 +1,44 @@ +'use strict'; + +const common = require('../common'); +const assert = require('assert'); +const http = require('http'); +const net = require('net'); + +// This test sends an invalid character to a HTTP server and purposely +// does not handle clientError (even if it sets an event handler). +// +// The idea is to let the server emit multiple errors on the socket, +// mostly due to parsing error, and make sure they don't result +// in leaking event listeners. + +let i = 0; +let socket; + +process.on('warning', common.mustNotCall()); + +const server = http.createServer(common.mustNotCall()); + +server.on('clientError', common.mustCallAtLeast((err) => { + assert.strictEqual(err.code, 'HPE_INVALID_METHOD'); + assert.strictEqual(err.rawPacket.toString(), '*'); + + if (i === 20) { + socket.end(); + } else { + socket.write('*'); + i++; + } +}, 1)); + +server.listen(0, () => { + socket = net.createConnection({ port: server.address().port }); + + socket.on('connect', () => { + socket.write('*'); + }); + + socket.on('close', () => { + server.close(); + }); +}); From c0d2098df4466719ff2d755ecddfc8eb767b2467 Mon Sep 17 00:00:00 2001 From: Geoffrey Booth <456802+GeoffreyBooth@users.noreply.github.com> Date: Mon, 25 Jul 2022 21:08:18 -0700 Subject: [PATCH 002/147] esm: move package config helpers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/43967 Reviewed-By: Jacob Smith Reviewed-By: Michaël Zasso Reviewed-By: Antoine du Hamel --- lib/internal/modules/esm/package_config.js | 142 +++++++++++++++++++++ lib/internal/modules/esm/resolve.js | 119 ++--------------- test/parallel/test-bootstrap-modules.js | 1 + 3 files changed, 153 insertions(+), 109 deletions(-) create mode 100644 lib/internal/modules/esm/package_config.js diff --git a/lib/internal/modules/esm/package_config.js b/lib/internal/modules/esm/package_config.js new file mode 100644 index 00000000000000..89e90d0d997cd2 --- /dev/null +++ b/lib/internal/modules/esm/package_config.js @@ -0,0 +1,142 @@ +'use strict'; + +const { + JSONParse, + SafeMap, + StringPrototypeEndsWith, +} = primordials; +const { URL, fileURLToPath } = require('internal/url'); +const { + ERR_INVALID_PACKAGE_CONFIG, +} = require('internal/errors').codes; + +const packageJsonReader = require('internal/modules/package_json_reader'); + + +/** + * @typedef {string | string[] | Record} Exports + * @typedef {'module' | 'commonjs'} PackageType + * @typedef {{ + * pjsonPath: string, + * exports?: ExportConfig, + * name?: string, + * main?: string, + * type?: PackageType, + * }} PackageConfig + */ + +/** @type {Map} */ +const packageJSONCache = new SafeMap(); + + +/** + * @param {string} path + * @param {string} specifier + * @param {string | URL | undefined} base + * @returns {PackageConfig} + */ +function getPackageConfig(path, specifier, base) { + const existing = packageJSONCache.get(path); + if (existing !== undefined) { + return existing; + } + const source = packageJsonReader.read(path).string; + if (source === undefined) { + const packageConfig = { + pjsonPath: path, + exists: false, + main: undefined, + name: undefined, + type: 'none', + exports: undefined, + imports: undefined, + }; + packageJSONCache.set(path, packageConfig); + return packageConfig; + } + + let packageJSON; + try { + packageJSON = JSONParse(source); + } catch (error) { + throw new ERR_INVALID_PACKAGE_CONFIG( + path, + (base ? `"${specifier}" from ` : '') + fileURLToPath(base || specifier), + error.message + ); + } + + let { imports, main, name, type } = packageJSON; + const { exports } = packageJSON; + if (typeof imports !== 'object' || imports === null) { + imports = undefined; + } + if (typeof main !== 'string') { + main = undefined; + } + if (typeof name !== 'string') { + name = undefined; + } + // Ignore unknown types for forwards compatibility + if (type !== 'module' && type !== 'commonjs') { + type = 'none'; + } + + const packageConfig = { + pjsonPath: path, + exists: true, + main, + name, + type, + exports, + imports, + }; + packageJSONCache.set(path, packageConfig); + return packageConfig; +} + + +/** + * @param {URL | string} resolved + * @returns {PackageConfig} + */ +function getPackageScopeConfig(resolved) { + let packageJSONUrl = new URL('./package.json', resolved); + while (true) { + const packageJSONPath = packageJSONUrl.pathname; + if (StringPrototypeEndsWith(packageJSONPath, 'node_modules/package.json')) { + break; + } + const packageConfig = getPackageConfig(fileURLToPath(packageJSONUrl), resolved); + if (packageConfig.exists) { + return packageConfig; + } + + const lastPackageJSONUrl = packageJSONUrl; + packageJSONUrl = new URL('../package.json', packageJSONUrl); + + // Terminates at root where ../package.json equals ../../package.json + // (can't just check "/package.json" for Windows support). + if (packageJSONUrl.pathname === lastPackageJSONUrl.pathname) { + break; + } + } + const packageJSONPath = fileURLToPath(packageJSONUrl); + const packageConfig = { + pjsonPath: packageJSONPath, + exists: false, + main: undefined, + name: undefined, + type: 'none', + exports: undefined, + imports: undefined, + }; + packageJSONCache.set(packageJSONPath, packageConfig); + return packageConfig; +} + + +module.exports = { + getPackageConfig, + getPackageScopeConfig, +}; diff --git a/lib/internal/modules/esm/resolve.js b/lib/internal/modules/esm/resolve.js index 435a6f279e9fd1..64a566d6edcc47 100644 --- a/lib/internal/modules/esm/resolve.js +++ b/lib/internal/modules/esm/resolve.js @@ -58,9 +58,16 @@ const { ERR_NETWORK_IMPORT_DISALLOWED, ERR_UNSUPPORTED_ESM_URL_SCHEME, } = require('internal/errors').codes; -const { Module: CJSModule } = require('internal/modules/cjs/loader'); +const { Module: CJSModule } = require('internal/modules/cjs/loader'); const packageJsonReader = require('internal/modules/package_json_reader'); +const { getPackageConfig, getPackageScopeConfig } = require('internal/modules/esm/package_config'); + +/** + * @typedef {import('internal/modules/esm/package_config.js').PackageConfig} PackageConfig + */ + + const userConditions = getOptionValue('--conditions'); const noAddons = getOptionValue('--no-addons'); const addonConditions = noAddons ? [] : ['node-addons']; @@ -74,18 +81,6 @@ const DEFAULT_CONDITIONS = ObjectFreeze([ const DEFAULT_CONDITIONS_SET = new SafeSet(DEFAULT_CONDITIONS); -/** - * @typedef {string | string[] | Record} Exports - * @typedef {'module' | 'commonjs'} PackageType - * @typedef {{ - * pjsonPath: string, - * exports?: ExportConfig, - * name?: string, - * main?: string, - * type?: PackageType, - * }} PackageConfig - */ - const emittedPackageWarnings = new SafeSet(); function emitTrailingSlashPatternDeprecation(match, pjsonUrl, base) { @@ -154,7 +149,6 @@ function getConditionsSet(conditions) { } const realpathCache = new SafeMap(); -const packageJSONCache = new SafeMap(); /* string -> PackageConfig */ /** * @param {string | URL} path @@ -163,99 +157,6 @@ const packageJSONCache = new SafeMap(); /* string -> PackageConfig */ const tryStatSync = (path) => statSync(path, { throwIfNoEntry: false }) ?? new Stats(); -/** - * @param {string} path - * @param {string} specifier - * @param {string | URL | undefined} base - * @returns {PackageConfig} - */ -function getPackageConfig(path, specifier, base) { - const existing = packageJSONCache.get(path); - if (existing !== undefined) { - return existing; - } - const source = packageJsonReader.read(path).string; - if (source === undefined) { - const packageConfig = { - pjsonPath: path, - exists: false, - main: undefined, - name: undefined, - type: 'none', - exports: undefined, - imports: undefined, - }; - packageJSONCache.set(path, packageConfig); - return packageConfig; - } - - let packageJSON; - try { - packageJSON = JSONParse(source); - } catch (error) { - throw new ERR_INVALID_PACKAGE_CONFIG( - path, - (base ? `"${specifier}" from ` : '') + fileURLToPath(base || specifier), - error.message - ); - } - - let { imports, main, name, type } = packageJSON; - const { exports } = packageJSON; - if (typeof imports !== 'object' || imports === null) imports = undefined; - if (typeof main !== 'string') main = undefined; - if (typeof name !== 'string') name = undefined; - // Ignore unknown types for forwards compatibility - if (type !== 'module' && type !== 'commonjs') type = 'none'; - - const packageConfig = { - pjsonPath: path, - exists: true, - main, - name, - type, - exports, - imports, - }; - packageJSONCache.set(path, packageConfig); - return packageConfig; -} - -/** - * @param {URL | string} resolved - * @returns {PackageConfig} - */ -function getPackageScopeConfig(resolved) { - let packageJSONUrl = new URL('./package.json', resolved); - while (true) { - const packageJSONPath = packageJSONUrl.pathname; - if (StringPrototypeEndsWith(packageJSONPath, 'node_modules/package.json')) - break; - const packageConfig = getPackageConfig(fileURLToPath(packageJSONUrl), - resolved); - if (packageConfig.exists) return packageConfig; - - const lastPackageJSONUrl = packageJSONUrl; - packageJSONUrl = new URL('../package.json', packageJSONUrl); - - // Terminates at root where ../package.json equals ../../package.json - // (can't just check "/package.json" for Windows support). - if (packageJSONUrl.pathname === lastPackageJSONUrl.pathname) break; - } - const packageJSONPath = fileURLToPath(packageJSONUrl); - const packageConfig = { - pjsonPath: packageJSONPath, - exists: false, - main: undefined, - name: undefined, - type: 'none', - exports: undefined, - imports: undefined, - }; - packageJSONCache.set(packageJSONPath, packageConfig); - return packageConfig; -} - /** * @param {string | URL} url * @returns {boolean} @@ -609,7 +510,7 @@ function resolvePackageTarget(packageJSONUrl, target, subpath, packageSubpath, /** * - * @param {Exports} exports + * @param {import('internal/modules/esm/package_config.js').Exports} exports * @param {URL} packageJSONUrl * @param {string | URL | undefined} base * @returns {boolean} @@ -799,7 +700,7 @@ function packageImportsResolve(name, base, conditions) { /** * @param {URL} url - * @returns {PackageType} + * @returns {import('internal/modules/esm/package_config.js').PackageType} */ function getPackageType(url) { const packageConfig = getPackageScopeConfig(url); diff --git a/test/parallel/test-bootstrap-modules.js b/test/parallel/test-bootstrap-modules.js index 495f08f716f573..87c9dc1b92523c 100644 --- a/test/parallel/test-bootstrap-modules.js +++ b/test/parallel/test-bootstrap-modules.js @@ -85,6 +85,7 @@ const expectedModules = new Set([ 'NativeModule internal/modules/esm/loader', 'NativeModule internal/modules/esm/module_job', 'NativeModule internal/modules/esm/module_map', + 'NativeModule internal/modules/esm/package_config', 'NativeModule internal/modules/esm/resolve', 'NativeModule internal/modules/esm/translators', 'NativeModule internal/modules/package_json_reader', From 091d01537553261a2989e3ba94d8d222ac7dd291 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Mon, 25 Jul 2022 21:08:27 -0700 Subject: [PATCH 003/147] tools: add verbose flag to find-inactive-collaborators MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/43964 Reviewed-By: Mestery Reviewed-By: Luigi Pinca Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Tobias Nießen Reviewed-By: Darshan Sen --- tools/find-inactive-collaborators.mjs | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/tools/find-inactive-collaborators.mjs b/tools/find-inactive-collaborators.mjs index 71a00b970a9732..0787c634a1a4c9 100755 --- a/tools/find-inactive-collaborators.mjs +++ b/tools/find-inactive-collaborators.mjs @@ -7,8 +7,15 @@ import cp from 'node:child_process'; import fs from 'node:fs'; import readline from 'node:readline'; +import { parseArgs } from 'node:util'; -const SINCE = process.argv[2] || '18 months ago'; +const args = parseArgs({ + allowPositionals: true, + options: { verbose: { type: 'boolean', short: 'v' } } +}); + +const verbose = args.values.verbose; +const SINCE = args.positionals[0] || '18 months ago'; async function runGitCommand(cmd, mapFn) { const childProcess = cp.spawn('/bin/sh', ['-c', cmd], { @@ -176,11 +183,12 @@ async function moveCollaboratorToEmeritus(peopleToMove) { // Get list of current collaborators from README.md. const collaborators = await getCollaboratorsFromReadme(); -console.log(`Since ${SINCE}:\n`); -console.log(`* ${authors.size.toLocaleString()} authors have made commits.`); -console.log(`* ${approvingReviewers.size.toLocaleString()} reviewers have approved landed commits.`); -console.log(`* ${collaborators.length.toLocaleString()} collaborators currently in the project.`); - +if (verbose) { + console.log(`Since ${SINCE}:\n`); + console.log(`* ${authors.size.toLocaleString()} authors have made commits.`); + console.log(`* ${approvingReviewers.size.toLocaleString()} reviewers have approved landed commits.`); + console.log(`* ${collaborators.length.toLocaleString()} collaborators currently in the project.`); +} const inactive = collaborators.filter((collaborator) => !authors.has(collaborator.mailmap) && !approvingReviewers.has(collaborator.name) From 51db3527e8bb8374e8582cc04055f508fdc36bbb Mon Sep 17 00:00:00 2001 From: Moshe Atlow Date: Tue, 26 Jul 2022 07:43:56 +0300 Subject: [PATCH 004/147] doc: add missing test runner option PR-URL: https://github.com/nodejs/node/pull/43989 Refs: https://github.com/nodejs/node/pull/43554 Reviewed-By: Antoine du Hamel Reviewed-By: Darshan Sen --- doc/api/test.md | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/api/test.md b/doc/api/test.md index bef97c4b1917a7..cb5912189b3244 100644 --- a/doc/api/test.md +++ b/doc/api/test.md @@ -321,6 +321,9 @@ internally. -* Can be used to abort test subtasks when the test has been aborted. +* {AbortSignal} Can be used to abort test subtasks when the test has been + aborted. ```js test('top level test', async (t) => { @@ -575,7 +576,7 @@ changes: * `only` {boolean} If truthy, and the test context is configured to run `only` tests, then this test will be run. Otherwise, the test is skipped. **Default:** `false`. - * `signal` {AbortSignal} Allows aborting an in-progress test + * `signal` {AbortSignal} Allows aborting an in-progress test. * `skip` {boolean|string} If truthy, the test is skipped. If a string is provided, that string is displayed in the test results as the reason for skipping the test. **Default:** `false`. @@ -622,7 +623,8 @@ exposed as part of the API. added: v18.7.0 --> -* Can be used to abort test subtasks when the test has been aborted. +* {AbortSignal} Can be used to abort test subtasks when the test has been + aborted. [TAP]: https://testanything.org/ [`--test-only`]: cli.md#--test-only From 62a0a4ce7e6fcc95ed4253180e8c4f93c2a70c85 Mon Sep 17 00:00:00 2001 From: Daeyeon Jeong Date: Tue, 26 Jul 2022 22:03:18 +0900 Subject: [PATCH 007/147] test: fix test-cluster-concurrent-disconnect The error code, `ECONNRESET`, is observed on linux. This commit adds it as an expected error code. Signed-off-by: Daeyeon Jeong daeyeon.dev@gmail.com PR-URL: https://github.com/nodejs/node/pull/43961 Refs: https://ci.nodejs.org/job/node-test-commit-linux-containered/nodes=ubuntu1804_sharedlibs_withoutintl_x64/32901/testReport/junit/(root)/test/parallel_test_cluster_concurrent_disconnect/ Reviewed-By: Luigi Pinca Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Feng Yu Reviewed-By: Darshan Sen --- test/parallel/test-cluster-concurrent-disconnect.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/test/parallel/test-cluster-concurrent-disconnect.js b/test/parallel/test-cluster-concurrent-disconnect.js index d97db39a5bb38a..e3771a0a4fdcb0 100644 --- a/test/parallel/test-cluster-concurrent-disconnect.js +++ b/test/parallel/test-cluster-concurrent-disconnect.js @@ -29,7 +29,7 @@ if (cluster.isPrimary) { if (common.isOSX) { assert(['EPIPE', 'ENOTCONN'].includes(err.code), err); } else { - assert.strictEqual(err.code, 'EPIPE'); + assert(['EPIPE', 'ECONNRESET'].includes(err.code), err); } }); From c939e1962078ebd067858e1812e48fc47f2dac6c Mon Sep 17 00:00:00 2001 From: theanarkh Date: Tue, 26 Jul 2022 21:25:06 +0800 Subject: [PATCH 008/147] test: reduce loop times for preventing test from timeout MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/43981 Refs: https://github.com/nodejs/reliability/issues/331 Reviewed-By: Feng Yu Reviewed-By: Michaël Zasso --- test/parallel/test-vm-break-on-sigint.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/test/parallel/test-vm-break-on-sigint.js b/test/parallel/test-vm-break-on-sigint.js index 6ad25bfed234b8..92fdae0c839056 100644 --- a/test/parallel/test-vm-break-on-sigint.js +++ b/test/parallel/test-vm-break-on-sigint.js @@ -16,7 +16,7 @@ if (!process.env.HAS_STARTED_WORKER) { } } else { const ctx = vm.createContext({}); - for (let i = 0; i < 10000; i++) { + for (let i = 0; i < 100; i++) { vm.runInContext('console.log(1)', ctx, { breakOnSigint: true }); } } From ad1a82368d5550aa4293cdf644eea5d0d284a50d Mon Sep 17 00:00:00 2001 From: Antoine du Hamel Date: Wed, 27 Jul 2022 00:37:41 +0200 Subject: [PATCH 009/147] test_runner: validate `concurrency` option PR-URL: https://github.com/nodejs/node/pull/43976 Reviewed-By: Darshan Sen Reviewed-By: Benjamin Gruenbaum --- lib/internal/test_runner/test.js | 28 +++++++++++++------ .../parallel/test-runner-option-validation.js | 11 ++++++++ 2 files changed, 30 insertions(+), 9 deletions(-) diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js index 1663958f9b7c94..89b8c196038549 100644 --- a/lib/internal/test_runner/test.js +++ b/lib/internal/test_runner/test.js @@ -19,6 +19,7 @@ const { once } = require('events'); const { AbortController } = require('internal/abort_controller'); const { codes: { + ERR_INVALID_ARG_TYPE, ERR_TEST_FAILURE, }, kIsNodeError, @@ -33,9 +34,9 @@ const { } = require('internal/util'); const { isPromise } = require('internal/util/types'); const { - isUint32, validateAbortSignal, validateNumber, + validateUint32, } = require('internal/validators'); const { setTimeout } = require('timers/promises'); const { TIMEOUT_MAX } = require('internal/timers'); @@ -149,14 +150,23 @@ class Test extends AsyncResource { this.timeout = parent.timeout; } - if (isUint32(concurrency) && concurrency !== 0) { - this.concurrency = concurrency; - } else if (typeof concurrency === 'boolean') { - if (concurrency) { - this.concurrency = isTestRunner ? MathMax(cpus().length - 1, 1) : Infinity; - } else { - this.concurrency = 1; - } + switch (typeof concurrency) { + case 'number': + validateUint32(concurrency, 'options.concurrency', 1); + this.concurrency = concurrency; + break; + + case 'boolean': + if (concurrency) { + this.concurrency = isTestRunner ? MathMax(cpus().length - 1, 1) : Infinity; + } else { + this.concurrency = 1; + } + break; + + default: + if (concurrency != null) + throw new ERR_INVALID_ARG_TYPE('options.concurrency', ['boolean', 'number'], concurrency); } if (timeout != null && timeout !== Infinity) { diff --git a/test/parallel/test-runner-option-validation.js b/test/parallel/test-runner-option-validation.js index a6b7cb1826b166..9d0129253613f2 100644 --- a/test/parallel/test-runner-option-validation.js +++ b/test/parallel/test-runner-option-validation.js @@ -13,3 +13,14 @@ const test = require('node:test'); // Valid values should not throw. test({ timeout }); }); + +[Symbol(), {}, [], () => {}, 1n, '1'].forEach((concurrency) => { + assert.throws(() => test({ concurrency }), { code: 'ERR_INVALID_ARG_TYPE' }); +}); +[-1, 0, 1.1, -Infinity, NaN, 2 ** 33, Number.MAX_SAFE_INTEGER].forEach((concurrency) => { + assert.throws(() => test({ concurrency }), { code: 'ERR_OUT_OF_RANGE' }); +}); +[null, undefined, 1, 2 ** 31, true, false].forEach((concurrency) => { + // Valid values should not throw. + test({ concurrency }); +}); From 3348ddef02a26c345d8c3ac7ee1cd784489a04c2 Mon Sep 17 00:00:00 2001 From: theanarkh Date: Wed, 27 Jul 2022 06:37:49 +0800 Subject: [PATCH 010/147] net: add local family PR-URL: https://github.com/nodejs/node/pull/43975 Reviewed-By: Paolo Insogna Reviewed-By: Antoine du Hamel Reviewed-By: Matteo Collina Reviewed-By: Luigi Pinca --- doc/api/net.md | 11 +++++++++++ lib/net.js | 4 ++++ test/parallel/test-net-local-address-port.js | 1 + 3 files changed, 16 insertions(+) diff --git a/doc/api/net.md b/doc/api/net.md index 5731af523d0151..9e74b2a5a79b9c 100644 --- a/doc/api/net.md +++ b/doc/api/net.md @@ -294,6 +294,7 @@ TCP server, the argument is as follows, otherwise the argument is `undefined`. * `data` {Object} The argument passed to event listener. * `localAddress` {string} Local address. * `localPort` {number} Local port. + * `localFamily` {string} Local family. * `remoteAddress` {string} Remote address. * `remotePort` {number} Remote port. * `remoteFamily` {string} Remote IP family. `'IPv4'` or `'IPv6'`. @@ -1045,6 +1046,16 @@ added: v0.9.6 The numeric representation of the local port. For example, `80` or `21`. +### `socket.localFamily` + + + +* {string} + +The string representation of the local IP family. `'IPv4'` or `'IPv6'`. + ### `socket.pause()` * Returns: {net.Socket} The socket itself. diff --git a/lib/net.js b/lib/net.js index cf48edb0274cc7..02eb9c0d4fe5a5 100644 --- a/lib/net.js +++ b/lib/net.js @@ -840,6 +840,9 @@ protoGetter('localPort', function localPort() { return this._getsockname().port; }); +protoGetter('localFamily', function localFamily() { + return this._getsockname().family; +}); Socket.prototype[kAfterAsyncWrite] = function() { this[kLastWriteQueueSize] = 0; @@ -1674,6 +1677,7 @@ function onconnection(err, clientHandle) { clientHandle.getsockname(localInfo); data.localAddress = localInfo.address; data.localPort = localInfo.port; + data.localFamily = localInfo.family; } if (clientHandle.getpeername) { const remoteInfo = ObjectCreate(null); diff --git a/test/parallel/test-net-local-address-port.js b/test/parallel/test-net-local-address-port.js index dfd7ef359b71d2..cfc6f61ef35ad8 100644 --- a/test/parallel/test-net-local-address-port.js +++ b/test/parallel/test-net-local-address-port.js @@ -27,6 +27,7 @@ const net = require('net'); const server = net.createServer(common.mustCall(function(socket) { assert.strictEqual(socket.localAddress, common.localhostIPv4); assert.strictEqual(socket.localPort, this.address().port); + assert.strictEqual(socket.localFamily, this.address().family); socket.on('end', function() { server.close(); }); From 373523b15f4343400417421ecc183d2f42d42c92 Mon Sep 17 00:00:00 2001 From: Feng Yu Date: Wed, 27 Jul 2022 06:38:07 +0800 Subject: [PATCH 011/147] test: remove test-gc-http-client-timeout from flaky list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/43971 Refs: https://github.com/nodejs/node/pull/43949 Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Chengzhong Wu Reviewed-By: Darshan Sen --- test/sequential/sequential.status | 2 -- 1 file changed, 2 deletions(-) diff --git a/test/sequential/sequential.status b/test/sequential/sequential.status index 2ade846d8bc0ea..56f9667d7a3058 100644 --- a/test/sequential/sequential.status +++ b/test/sequential/sequential.status @@ -32,8 +32,6 @@ test-tls-psk-client: PASS, FLAKY test-tls-securepair-client: PASS, FLAKY [$arch==arm] -# https://github.com/nodejs/node/issues/43638 -test-gc-http-client-timeout: PASS,FLAKY [$arch==s390x] # https://github.com/nodejs/node/issues/41286 From c900bc1cdc88fcf780f35f12589fb63aab76051b Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Tue, 26 Jul 2022 15:38:16 -0700 Subject: [PATCH 012/147] deps: cherry-pick 00704f5a from V8 upstream MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Original commit message: Add more efficient API for accesssing ArrayBuffer raw data Raw data access is already possible via GetBackingStore()->GetData(). This API exposes a more efficient way for accessing JSArrayBuffer::backing_store (which, despite the confusing name, is no the BackingStore but its raw data pointer). Bug: v8:10343 Change-Id: I695cea91e2c3de75ce6c86bac6e413ce6617958b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3764341 Reviewed-by: Camillo Bruni Commit-Queue: Marja Hölttä Cr-Commit-Position: refs/heads/main@{#81745} Refs: https://github.com/v8/v8/commit/00704f5a03d9db02c14c4f4c35188effc46e82ab Refs: https://github.com/nodejs/node/issues/32226 PR-URL: https://github.com/nodejs/node/pull/43921 Reviewed-By: Jiawen Geng Reviewed-By: Michaël Zasso Reviewed-By: Feng Yu --- common.gypi | 2 +- deps/v8/include/v8-array-buffer.h | 12 ++++++++++++ deps/v8/src/api/api.cc | 10 ++++++++++ deps/v8/test/cctest/test-api-array-buffer.cc | 5 ++++- 4 files changed, 27 insertions(+), 2 deletions(-) diff --git a/common.gypi b/common.gypi index 851816e084565d..03220a0200a40d 100644 --- a/common.gypi +++ b/common.gypi @@ -36,7 +36,7 @@ # Reset this number to 0 on major V8 upgrades. # Increment by one for each non-official patch applied to deps/v8. - 'v8_embedder_string': '-node.9', + 'v8_embedder_string': '-node.10', ##### V8 defaults for Node.js ##### diff --git a/deps/v8/include/v8-array-buffer.h b/deps/v8/include/v8-array-buffer.h index e9047b79ce3b1d..bab840f82c1a3d 100644 --- a/deps/v8/include/v8-array-buffer.h +++ b/deps/v8/include/v8-array-buffer.h @@ -256,6 +256,12 @@ class V8_EXPORT ArrayBuffer : public Object { */ std::shared_ptr GetBackingStore(); + /** + * More efficient shortcut for GetBackingStore()->Data(). The returned pointer + * is valid as long as the ArrayBuffer is alive. + */ + void* Data() const; + V8_INLINE static ArrayBuffer* Cast(Value* value) { #ifdef V8_ENABLE_CHECKS CheckCast(value); @@ -414,6 +420,12 @@ class V8_EXPORT SharedArrayBuffer : public Object { */ std::shared_ptr GetBackingStore(); + /** + * More efficient shortcut for GetBackingStore()->Data(). The returned pointer + * is valid as long as the ArrayBuffer is alive. + */ + void* Data() const; + V8_INLINE static SharedArrayBuffer* Cast(Value* value) { #ifdef V8_ENABLE_CHECKS CheckCast(value); diff --git a/deps/v8/src/api/api.cc b/deps/v8/src/api/api.cc index 393f5471914dd8..580ba47f1a727d 100644 --- a/deps/v8/src/api/api.cc +++ b/deps/v8/src/api/api.cc @@ -4038,6 +4038,11 @@ std::shared_ptr v8::ArrayBuffer::GetBackingStore() { return std::static_pointer_cast(bs_base); } +void* v8::ArrayBuffer::Data() const { + i::Handle self = Utils::OpenHandle(this); + return self->backing_store(); +} + std::shared_ptr v8::SharedArrayBuffer::GetBackingStore() { i::Handle self = Utils::OpenHandle(this); std::shared_ptr backing_store = self->GetBackingStore(); @@ -4048,6 +4053,11 @@ std::shared_ptr v8::SharedArrayBuffer::GetBackingStore() { return std::static_pointer_cast(bs_base); } +void* v8::SharedArrayBuffer::Data() const { + i::Handle self = Utils::OpenHandle(this); + return self->backing_store(); +} + void v8::ArrayBuffer::CheckCast(Value* that) { i::Handle obj = Utils::OpenHandle(that); Utils::ApiCheck( diff --git a/deps/v8/test/cctest/test-api-array-buffer.cc b/deps/v8/test/cctest/test-api-array-buffer.cc index d472ebcf32033d..b087274b31137d 100644 --- a/deps/v8/test/cctest/test-api-array-buffer.cc +++ b/deps/v8/test/cctest/test-api-array-buffer.cc @@ -366,6 +366,7 @@ THREADED_TEST(SkipArrayBufferBackingStoreDuringGC) { // Should not move the pointer CHECK_EQ(ab->GetBackingStore()->Data(), store_ptr); + CHECK_EQ(ab->Data(), store_ptr); CcTest::array_buffer_allocator()->Free(buffer, 100); } @@ -394,8 +395,8 @@ THREADED_TEST(SkipArrayBufferDuringScavenge) { CcTest::CollectGarbage(i::NEW_SPACE); // in survivor space now CcTest::CollectGarbage(i::NEW_SPACE); // in old gen now - // Use `ab` to silence compiler warning CHECK_EQ(ab->GetBackingStore()->Data(), store_ptr); + CHECK_EQ(ab->Data(), store_ptr); } THREADED_TEST(Regress1006600) { @@ -418,6 +419,7 @@ THREADED_TEST(ArrayBuffer_NewBackingStore) { CHECK(!backing_store->IsShared()); Local ab = v8::ArrayBuffer::New(isolate, backing_store); CHECK_EQ(backing_store.get(), ab->GetBackingStore().get()); + CHECK_EQ(backing_store->Data(), ab->Data()); } THREADED_TEST(SharedArrayBuffer_NewBackingStore) { @@ -430,6 +432,7 @@ THREADED_TEST(SharedArrayBuffer_NewBackingStore) { Local ab = v8::SharedArrayBuffer::New(isolate, backing_store); CHECK_EQ(backing_store.get(), ab->GetBackingStore().get()); + CHECK_EQ(backing_store->Data(), ab->Data()); } static void* backing_store_custom_data = nullptr; From 1a31e3836106c7aac4792101174a2cd5c4f9982a Mon Sep 17 00:00:00 2001 From: Antoine du Hamel Date: Wed, 27 Jul 2022 00:38:24 +0200 Subject: [PATCH 013/147] lib: add `Promise` methods to `avoid-prototype-pollution` lint rule PR-URL: https://github.com/nodejs/node/pull/43849 Reviewed-By: Matteo Collina Reviewed-By: Paolo Insogna --- lib/internal/debugger/inspect.js | 39 +++++++++++-------- lib/internal/http2/core.js | 6 +-- lib/internal/main/worker_thread.js | 4 +- lib/internal/modules/esm/module_job.js | 4 +- lib/internal/per_context/primordials.js | 3 -- lib/internal/streams/operators.js | 4 +- lib/internal/webstreams/readablestream.js | 6 +-- .../test-eslint-avoid-prototype-pollution.js | 20 ++++++++++ test/parallel/test-primordials-promise.js | 18 ++++----- .../eslint-rules/avoid-prototype-pollution.js | 32 +++++++++++++-- 10 files changed, 91 insertions(+), 45 deletions(-) diff --git a/lib/internal/debugger/inspect.js b/lib/internal/debugger/inspect.js index e5211c285bd5eb..42b5c64ab87029 100644 --- a/lib/internal/debugger/inspect.js +++ b/lib/internal/debugger/inspect.js @@ -11,7 +11,6 @@ const { FunctionPrototypeBind, Number, Promise, - PromisePrototypeCatch, PromisePrototypeThen, PromiseResolve, Proxy, @@ -169,12 +168,17 @@ class NodeInspector { process.once('SIGTERM', exitCodeZero); process.once('SIGHUP', exitCodeZero); - PromisePrototypeCatch(PromisePrototypeThen(this.run(), async () => { - const repl = await startRepl(); - this.repl = repl; - this.repl.on('exit', exitCodeZero); - this.paused = false; - }), (error) => process.nextTick(() => { throw error; })); + (async () => { + try { + await this.run(); + const repl = await startRepl(); + this.repl = repl; + this.repl.on('exit', exitCodeZero); + this.paused = false; + } catch (error) { + process.nextTick(() => { throw error; }); + } + })(); } suspendReplWhile(fn) { @@ -183,16 +187,19 @@ class NodeInspector { } this.stdin.pause(); this.paused = true; - return PromisePrototypeCatch(PromisePrototypeThen(new Promise((resolve) => { - resolve(fn()); - }), () => { - this.paused = false; - if (this.repl) { - this.repl.resume(); - this.repl.displayPrompt(); + return (async () => { + try { + await fn(); + this.paused = false; + if (this.repl) { + this.repl.resume(); + this.repl.displayPrompt(); + } + this.stdin.resume(); + } catch (error) { + process.nextTick(() => { throw error; }); } - this.stdin.resume(); - }), (error) => process.nextTick(() => { throw error; })); + })(); } killChild() { diff --git a/lib/internal/http2/core.js b/lib/internal/http2/core.js index 737c4c3b357360..c6915e903e9d01 100644 --- a/lib/internal/http2/core.js +++ b/lib/internal/http2/core.js @@ -17,7 +17,7 @@ const { ObjectDefineProperty, ObjectPrototypeHasOwnProperty, Promise, - PromisePrototypeCatch, + PromisePrototypeThen, Proxy, ReflectApply, ReflectGet, @@ -2456,8 +2456,8 @@ function processHeaders(oldHeaders, options) { function onFileUnpipe() { const stream = this.sink[kOwner]; if (stream.ownsFd) - PromisePrototypeCatch(this.source.close(), - FunctionPrototypeBind(stream.destroy, stream)); + PromisePrototypeThen(this.source.close(), undefined, + FunctionPrototypeBind(stream.destroy, stream)); else this.source.releaseFD(); } diff --git a/lib/internal/main/worker_thread.js b/lib/internal/main/worker_thread.js index e21c1b1fe2cc7f..8d5bc45edd50f3 100644 --- a/lib/internal/main/worker_thread.js +++ b/lib/internal/main/worker_thread.js @@ -8,7 +8,7 @@ const { ArrayPrototypePushApply, ArrayPrototypeSplice, ObjectDefineProperty, - PromisePrototypeCatch, + PromisePrototypeThen, globalThis: { Atomics }, } = primordials; @@ -185,7 +185,7 @@ port.on('message', (message) => { evalScript(name, filename); } else if (doEval === 'module') { const { evalModule } = require('internal/process/execution'); - PromisePrototypeCatch(evalModule(filename), (e) => { + PromisePrototypeThen(evalModule(filename), undefined, (e) => { workerOnGlobalUncaughtException(e, true); }); } else { diff --git a/lib/internal/modules/esm/module_job.js b/lib/internal/modules/esm/module_job.js index 3a2ec7343a1d53..2dd69b32f77cb5 100644 --- a/lib/internal/modules/esm/module_job.js +++ b/lib/internal/modules/esm/module_job.js @@ -8,7 +8,7 @@ const { ObjectCreate, ObjectSetPrototypeOf, PromiseResolve, - PromisePrototypeCatch, + PromisePrototypeThen, ReflectApply, RegExpPrototypeExec, RegExpPrototypeSymbolReplace, @@ -88,7 +88,7 @@ class ModuleJob { this.linked = link(); // This promise is awaited later anyway, so silence // 'unhandled rejection' warnings. - PromisePrototypeCatch(this.linked, noop); + PromisePrototypeThen(this.linked, undefined, noop); // instantiated == deep dependency jobs wrappers are instantiated, // and module wrapper is instantiated. diff --git a/lib/internal/per_context/primordials.js b/lib/internal/per_context/primordials.js index 7c6f513d9ccebd..2ee5efb6cb7520 100644 --- a/lib/internal/per_context/primordials.js +++ b/lib/internal/per_context/primordials.js @@ -409,9 +409,6 @@ const SafePromise = makeSafe( } ); -primordials.PromisePrototypeCatch = (thisPromise, onRejected) => - PromisePrototypeThen(thisPromise, undefined, onRejected); - /** * Attaches a callback that is invoked when the Promise is settled (fulfilled or * rejected). The resolved value cannot be modified from the callback. diff --git a/lib/internal/streams/operators.js b/lib/internal/streams/operators.js index a450aa78e759ab..d45efbad7c23f6 100644 --- a/lib/internal/streams/operators.js +++ b/lib/internal/streams/operators.js @@ -25,7 +25,7 @@ const { NumberIsNaN, Promise, PromiseReject, - PromisePrototypeCatch, + PromisePrototypeThen, Symbol, } = primordials; @@ -113,7 +113,7 @@ function map(fn, options) { queue.push(kEof); } catch (err) { const val = PromiseReject(err); - PromisePrototypeCatch(val, onDone); + PromisePrototypeThen(val, undefined, onDone); queue.push(val); } finally { done = true; diff --git a/lib/internal/webstreams/readablestream.js b/lib/internal/webstreams/readablestream.js index 724710fdb1749d..5c5c8da724ace9 100644 --- a/lib/internal/webstreams/readablestream.js +++ b/lib/internal/webstreams/readablestream.js @@ -16,7 +16,6 @@ const { ObjectDefineProperties, ObjectSetPrototypeOf, Promise, - PromisePrototypeCatch, PromisePrototypeThen, PromiseResolve, PromiseReject, @@ -1334,7 +1333,7 @@ function readableStreamPipeTo( if (stream[kState].state === 'errored') action(stream[kState].storedError); else - PromisePrototypeCatch(promise, action); + PromisePrototypeThen(promise, undefined, action); } function watchClosed(stream, promise, action) { @@ -1503,8 +1502,9 @@ function readableStreamTee(stream, cloneForBranch2) { branch2 = createTeeReadableStream(nonOpStart, pullAlgorithm, cancel2Algorithm); - PromisePrototypeCatch( + PromisePrototypeThen( reader[kState].close.promise, + undefined, (error) => { readableStreamDefaultControllerError(branch1[kState].controller, error); readableStreamDefaultControllerError(branch2[kState].controller, error); diff --git a/test/parallel/test-eslint-avoid-prototype-pollution.js b/test/parallel/test-eslint-avoid-prototype-pollution.js index 26b0852c0c24ee..f10d6ea973b347 100644 --- a/test/parallel/test-eslint-avoid-prototype-pollution.js +++ b/test/parallel/test-eslint-avoid-prototype-pollution.js @@ -203,5 +203,25 @@ new RuleTester({ code: 'new Proxy({}, { ...{ __proto__: null } })', errors: [{ message: /null-prototype/ }] }, + { + code: 'PromisePrototypeCatch(promise, ()=>{})', + errors: [{ message: /\bPromisePrototypeThen\b/ }] + }, + { + code: 'PromiseAll([])', + errors: [{ message: /\bSafePromiseAll\b/ }] + }, + { + code: 'PromiseAllSettled([])', + errors: [{ message: /\bSafePromiseAllSettled\b/ }] + }, + { + code: 'PromiseAny([])', + errors: [{ message: /\bSafePromiseAny\b/ }] + }, + { + code: 'PromiseRace([])', + errors: [{ message: /\bSafePromiseRace\b/ }] + }, ] }); diff --git a/test/parallel/test-primordials-promise.js b/test/parallel/test-primordials-promise.js index 7ff29fc0f5d407..c753b4b7e79912 100644 --- a/test/parallel/test-primordials-promise.js +++ b/test/parallel/test-primordials-promise.js @@ -5,7 +5,6 @@ const common = require('../common'); const assert = require('assert'); const { - PromisePrototypeCatch, PromisePrototypeThen, SafePromiseAll, SafePromiseAllSettled, @@ -14,16 +13,15 @@ const { SafePromiseRace, } = require('internal/test/binding').primordials; -Array.prototype[Symbol.iterator] = common.mustNotCall(); -Promise.all = common.mustNotCall(); -Promise.allSettled = common.mustNotCall(); -Promise.any = common.mustNotCall(); -Promise.race = common.mustNotCall(); -Promise.prototype.catch = common.mustNotCall(); -Promise.prototype.finally = common.mustNotCall(); -Promise.prototype.then = common.mustNotCall(); +Array.prototype[Symbol.iterator] = common.mustNotCall('%Array.prototype%[@@iterator]'); +Promise.all = common.mustNotCall('%Promise%.all'); +Promise.allSettled = common.mustNotCall('%Promise%.allSettled'); +Promise.any = common.mustNotCall('%Promise%.any'); +Promise.race = common.mustNotCall('%Promise%.race'); +Promise.prototype.catch = common.mustNotCall('%Promise.prototype%.catch'); +Promise.prototype.finally = common.mustNotCall('%Promise.prototype%.finally'); +Promise.prototype.then = common.mustNotCall('%Promise.prototype%.then'); -assertIsPromise(PromisePrototypeCatch(Promise.reject(), common.mustCall())); assertIsPromise(PromisePrototypeThen(test(), common.mustCall())); assertIsPromise(SafePromisePrototypeFinally(test(), common.mustCall())); diff --git a/tools/eslint-rules/avoid-prototype-pollution.js b/tools/eslint-rules/avoid-prototype-pollution.js index 1f71272bd7d0b3..d59b62f95028cc 100644 --- a/tools/eslint-rules/avoid-prototype-pollution.js +++ b/tools/eslint-rules/avoid-prototype-pollution.js @@ -109,11 +109,11 @@ module.exports = { testRange.start = testRange.start + 'RegexpPrototype'.length; testRange.end = testRange.start + 'Test'.length; return [ - fixer.replaceTextRange(node.range, 'Exec'), + fixer.replaceTextRange(testRange, 'Exec'), fixer.insertTextAfter(node, ' !== null'), ]; } - }] + }], }); }, [`${CallExpression}[expression.callee.name=${/^RegExpPrototypeSymbol(Match|MatchAll|Search)$/}]`](node) { @@ -142,9 +142,33 @@ module.exports = { } context.report({ node, - message: 'Proxy handler must be a null-prototype object' + message: 'Proxy handler must be a null-prototype object', }); - } + }, + + [`${CallExpression}[expression.callee.name=PromisePrototypeCatch]`](node) { + context.report({ + node, + message: '%Promise.prototype.catch% look up the `then` property of ' + + 'the `this` argument, use PromisePrototypeThen instead', + }); + }, + + [`${CallExpression}[expression.callee.name=PromisePrototypeFinally]`](node) { + context.report({ + node, + message: '%Promise.prototype.finally% look up the `then` property of ' + + 'the `this` argument, use SafePromisePrototypeFinally or ' + + 'try/finally instead', + }); + }, + + [`${CallExpression}[expression.callee.name=${/^Promise(All(Settled)?|Any|Race)/}]`](node) { + context.report({ + node, + message: `Use Safe${node.expression.callee.name} instead of ${node.expression.callee.name}`, + }); + }, }; }, }; From ad537e6e9585bb750dac5c30b9f5432ebc3d105a Mon Sep 17 00:00:00 2001 From: Dominic Saadi Date: Wed, 27 Jul 2022 15:55:06 +0900 Subject: [PATCH 014/147] doc: fix typo in packages.md "previous" read like it should be "previously" PR-URL: https://github.com/nodejs/node/pull/44005 Reviewed-By: Geoffrey Booth Reviewed-By: Feng Yu Reviewed-By: Darshan Sen Reviewed-By: Antoine du Hamel --- doc/api/packages.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/api/packages.md b/doc/api/packages.md index 2dce76f8539c43..2ee71ed77c2e54 100644 --- a/doc/api/packages.md +++ b/doc/api/packages.md @@ -257,7 +257,7 @@ likely be a breaking change.** To make the introduction of [`"exports"`][] non-breaking, ensure that every previously supported entry point is exported. It is best to explicitly specify entry points so that the package's public API is well-defined. For example, -a project that previous exported `main`, `lib`, +a project that previously exported `main`, `lib`, `feature`, and the `package.json` could use the following `package.exports`: ```json From e2a3bf3c766946a7a33cc8ce19b46cb5743a3382 Mon Sep 17 00:00:00 2001 From: Moshe Atlow Date: Wed, 27 Jul 2022 10:02:07 +0300 Subject: [PATCH 015/147] test_runner: graceful termination on `--test` only PR-URL: https://github.com/nodejs/node/pull/43977 Reviewed-By: Antoine du Hamel Reviewed-By: Nitzan Uziely Reviewed-By: Benjamin Gruenbaum --- lib/internal/test_runner/harness.js | 10 +++-- .../test-runner/never_ending_async.js | 6 +++ .../fixtures/test-runner/never_ending_sync.js | 5 +++ test/parallel/test-runner-exit-code.js | 43 +++++++++++-------- 4 files changed, 43 insertions(+), 21 deletions(-) create mode 100644 test/fixtures/test-runner/never_ending_async.js create mode 100644 test/fixtures/test-runner/never_ending_sync.js diff --git a/lib/internal/test_runner/harness.js b/lib/internal/test_runner/harness.js index 1bdd6e99ed1c3b..5d0ce337ccd10c 100644 --- a/lib/internal/test_runner/harness.js +++ b/lib/internal/test_runner/harness.js @@ -13,9 +13,10 @@ const { ERR_TEST_FAILURE, }, } = require('internal/errors'); +const { getOptionValue } = require('internal/options'); const { Test, ItTest, Suite } = require('internal/test_runner/test'); - +const isTestRunner = getOptionValue('--test'); const testResources = new SafeMap(); const root = new Test({ __proto__: null, name: '' }); let wasRootSetup = false; @@ -134,8 +135,11 @@ function setup(root) { process.on('uncaughtException', exceptionHandler); process.on('unhandledRejection', rejectionHandler); process.on('beforeExit', exitHandler); - process.on('SIGINT', terminationHandler); - process.on('SIGTERM', terminationHandler); + // TODO(MoLow): Make it configurable to hook when isTestRunner === false. + if (isTestRunner) { + process.on('SIGINT', terminationHandler); + process.on('SIGTERM', terminationHandler); + } root.reporter.pipe(process.stdout); root.reporter.version(); diff --git a/test/fixtures/test-runner/never_ending_async.js b/test/fixtures/test-runner/never_ending_async.js new file mode 100644 index 00000000000000..0f26ea9291fd0d --- /dev/null +++ b/test/fixtures/test-runner/never_ending_async.js @@ -0,0 +1,6 @@ +const test = require('node:test'); +const { setTimeout } = require('timers/promises'); + +// We are using a very large timeout value to ensure that the parent process +// will have time to send a SIGINT signal to cancel the test. +test('never ending test', () => setTimeout(100_000_000)); diff --git a/test/fixtures/test-runner/never_ending_sync.js b/test/fixtures/test-runner/never_ending_sync.js new file mode 100644 index 00000000000000..efc78757b18852 --- /dev/null +++ b/test/fixtures/test-runner/never_ending_sync.js @@ -0,0 +1,5 @@ +const test = require('node:test'); + +test('never ending test', () => { + while (true); +}); diff --git a/test/parallel/test-runner-exit-code.js b/test/parallel/test-runner-exit-code.js index 638ad9853aeefb..1833fa00f7f7ae 100644 --- a/test/parallel/test-runner-exit-code.js +++ b/test/parallel/test-runner-exit-code.js @@ -2,8 +2,29 @@ const common = require('../common'); const fixtures = require('../common/fixtures'); const assert = require('assert'); -const { spawnSync } = require('child_process'); -const { setTimeout } = require('timers/promises'); +const { spawnSync, spawn } = require('child_process'); +const { once } = require('events'); +const { finished } = require('stream/promises'); + +async function runAndKill(file) { + if (common.isWindows) { + common.printSkipMessage(`signals are not supported in windows, skipping ${file}`); + return; + } + let stdout = ''; + const child = spawn(process.execPath, ['--test', file]); + child.stdout.setEncoding('utf8'); + child.stdout.on('data', (chunk) => { + if (!stdout.length) child.kill('SIGINT'); + stdout += chunk; + }); + const [code, signal] = await once(child, 'exit'); + await finished(child.stdout); + assert.match(stdout, /not ok 1/); + assert.match(stdout, /# cancelled 1\n/); + assert.strictEqual(signal, null); + assert.strictEqual(code, 1); +} if (process.argv[2] === 'child') { const test = require('node:test'); @@ -17,12 +38,6 @@ if (process.argv[2] === 'child') { test('failing test', () => { assert.strictEqual(true, false); }); - } else if (process.argv[3] === 'never_ends') { - assert.strictEqual(process.argv[3], 'never_ends'); - test('never ending test', () => { - return setTimeout(100_000_000); - }); - process.kill(process.pid, 'SIGINT'); } else assert.fail('unreachable'); } else { let child = spawnSync(process.execPath, [__filename, 'child', 'pass']); @@ -37,14 +52,6 @@ if (process.argv[2] === 'child') { assert.strictEqual(child.status, 1); assert.strictEqual(child.signal, null); - child = spawnSync(process.execPath, [__filename, 'child', 'never_ends']); - assert.strictEqual(child.status, 1); - assert.strictEqual(child.signal, null); - if (common.isWindows) { - common.printSkipMessage('signals are not supported in windows'); - } else { - const stdout = child.stdout.toString(); - assert.match(stdout, /not ok 1 - never ending test/); - assert.match(stdout, /# cancelled 1/); - } + runAndKill(fixtures.path('test-runner', 'never_ending_sync.js')).then(common.mustCall()); + runAndKill(fixtures.path('test-runner', 'never_ending_async.js')).then(common.mustCall()); } From cd8704d771ce442d34e022ef6a0aca67f32fb812 Mon Sep 17 00:00:00 2001 From: ywave620 <60539365+ywave620@users.noreply.github.com> Date: Wed, 27 Jul 2022 17:09:06 +0800 Subject: [PATCH 016/147] http: reuse socket only when it is drained Ensuring every request is assigned to a drained socket or nothing. Because is has no benifit for a request to be attached to a non drained socket and it prevents the request from being assigned to a drained one, which might occur soon or already in the free pool We achieve this by claiming a socket as free only when the socket is drained. PR-URL: https://github.com/nodejs/node/pull/43902 Reviewed-By: Matteo Collina Reviewed-By: Paolo Insogna Reviewed-By: Robert Nagy --- lib/_http_client.js | 12 +- lib/_http_outgoing.js | 4 +- ...st-http-agent-reuse-drained-socket-only.js | 122 ++++++++++++++++++ 3 files changed, 134 insertions(+), 4 deletions(-) create mode 100644 test/parallel/test-http-agent-reuse-drained-socket-only.js diff --git a/lib/_http_client.js b/lib/_http_client.js index 98ebdfc5b77fba..854434533f5b41 100644 --- a/lib/_http_client.js +++ b/lib/_http_client.js @@ -665,7 +665,7 @@ function parserOnIncomingClient(res, shouldKeepAlive) { // Add our listener first, so that we guarantee socket cleanup res.on('end', responseOnEnd); - req.on('prefinish', requestOnPrefinish); + req.on('finish', requestOnFinish); socket.on('timeout', responseOnTimeout); // If the user did not listen for the 'response' event, then they @@ -737,12 +737,16 @@ function responseOnEnd() { socket.end(); } assert(!socket.writable); - } else if (req.finished && !this.aborted) { + } else if (req.writableFinished && !this.aborted) { + assert(req.finished); // We can assume `req.finished` means all data has been written since: // - `'responseOnEnd'` means we have been assigned a socket. // - when we have a socket we write directly to it without buffering. // - `req.finished` means `end()` has been called and no further data. // can be written + // In addition, `req.writableFinished` means all data written has been + // accepted by the kernel. (i.e. the `req.socket` is drained).Without + // this constraint, we may assign a non drained socket to a request. responseKeepAlive(req); } } @@ -755,7 +759,9 @@ function responseOnTimeout() { res.emit('timeout'); } -function requestOnPrefinish() { +// This function is necessary in the case where we receive the entire reponse +// from server before we finish sending out the request +function requestOnFinish() { const req = this; if (req.shouldKeepAlive && req._ended) diff --git a/lib/_http_outgoing.js b/lib/_http_outgoing.js index 006ac437a14938..dcdea29968590a 100644 --- a/lib/_http_outgoing.js +++ b/lib/_http_outgoing.js @@ -985,6 +985,8 @@ OutgoingMessage.prototype.end = function end(chunk, encoding, callback) { }; +// This function is called once all user data are flushed to the socket. +// Note that it has a chance that the socket is not drained. OutgoingMessage.prototype._finish = function _finish() { assert(this.socket); this.emit('prefinish'); @@ -1008,7 +1010,7 @@ OutgoingMessage.prototype._finish = function _finish() { // the socket yet. Thus the outgoing messages need to be prepared to queue // up data internally before sending it on further to the socket's queue. // -// This function, outgoingFlush(), is called by both the Server and Client +// This function, _flush(), is called by both the Server and Client // to attempt to flush any pending messages out to the socket. OutgoingMessage.prototype._flush = function _flush() { const socket = this.socket; diff --git a/test/parallel/test-http-agent-reuse-drained-socket-only.js b/test/parallel/test-http-agent-reuse-drained-socket-only.js new file mode 100644 index 00000000000000..2bd53f40edaaf3 --- /dev/null +++ b/test/parallel/test-http-agent-reuse-drained-socket-only.js @@ -0,0 +1,122 @@ +'use strict'; +const common = require('../common'); +const assert = require('assert'); +const http = require('http'); +const net = require('net'); + +const agent = new http.Agent({ + keepAlive: true, + maxFreeSockets: Infinity, + maxSockets: Infinity, + maxTotalSockets: Infinity, +}); + +const server = net.createServer({ + pauseOnConnect: true, +}, (sock) => { + // Do not read anything from `sock` + sock.pause(); + sock.write('HTTP/1.1 200 OK\r\nContent-Length: 0\r\nConnection: Keep-Alive\r\n\r\n'); +}); + +server.listen(0, common.mustCall(() => { + sendFstReq(server.address().port); +})); + +function sendFstReq(serverPort) { + const req = http.request({ + agent, + host: '127.0.0.1', + port: serverPort, + }, (res) => { + res.on('data', noop); + res.on('end', common.mustCall(() => { + // Agent's socket reusing code is registered to process.nextTick(), + // and will be run after this function, make sure it take effect. + setImmediate(sendSecReq, serverPort, req.socket.localPort); + })); + }); + + // Make the `req.socket` non drained, i.e. has some data queued to write to + // and accept by the kernel. In Linux and Mac, we only need to call `req.end(aLargeBuffer)`. + // However, in Windows, the mechanism of acceptance is loose, the following code is a workaround + // for Windows. + + /** + * https://docs.microsoft.com/en-US/troubleshoot/windows/win32/data-segment-tcp-winsock says + * + * Winsock uses the following rules to indicate a send completion to the application + * (depending on how the send is invoked, the completion notification could be the + * function returning from a blocking call, signaling an event, or calling a notification + * function, and so forth): + * - If the socket is still within SO_SNDBUF quota, Winsock copies the data from the application + * send and indicates the send completion to the application. + * - If the socket is beyond SO_SNDBUF quota and there's only one previously buffered send still + * in the stack kernel buffer, Winsock copies the data from the application send and indicates + * the send completion to the application. + * - If the socket is beyond SO_SNDBUF quota and there's more than one previously buffered send + * in the stack kernel buffer, Winsock copies the data from the application send. Winsock doesn't + * indicate the send completion to the application until the stack completes enough sends to put + * back the socket within SO_SNDBUF quota or only one outstanding send condition. + */ + + req.on('socket', () => { + req.socket.on('connect', () => { + // Print tcp send buffer information + console.log(process.report.getReport().libuv.filter((handle) => handle.type === 'tcp')); + + const dataLargerThanTCPSendBuf = Buffer.alloc(1024 * 1024 * 64, 0); + + req.write(dataLargerThanTCPSendBuf); + req.uncork(); + if (process.platform === 'win32') { + assert.ok(req.socket.writableLength === 0); + } + + req.write(dataLargerThanTCPSendBuf); + req.uncork(); + if (process.platform === 'win32') { + assert.ok(req.socket.writableLength === 0); + } + + req.end(dataLargerThanTCPSendBuf); + assert.ok(req.socket.writableLength > 0); + }); + }); +} + +function sendSecReq(serverPort, fstReqCliPort) { + // Make the second request, which should be sent on a new socket + // because the first socket is not drained and hence can not be reused + const req = http.request({ + agent, + host: '127.0.0.1', + port: serverPort, + }, (res) => { + res.on('data', noop); + res.on('end', common.mustCall(() => { + setImmediate(sendThrReq, serverPort, req.socket.localPort); + })); + }); + + req.on('socket', common.mustCall((sock) => { + assert.notStrictEqual(sock.localPort, fstReqCliPort); + })); + req.end(); +} + +function sendThrReq(serverPort, secReqCliPort) { + // Make the third request, the agent should reuse the second socket we just made + const req = http.request({ + agent, + host: '127.0.0.1', + port: serverPort, + }, noop); + + req.on('socket', common.mustCall((sock) => { + assert.strictEqual(sock.localPort, secReqCliPort); + process.exit(0); + })); +} + +function noop() { } From 2c44730d97256444be7be1550a648020df8c3daf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= Date: Wed, 27 Jul 2022 12:11:41 +0200 Subject: [PATCH 017/147] src: remove unnecessary cast in crypto_sig.cc ByteSource::Allocated accepts a void pointer now, so we do not need to cast the argument to a char pointer. Refs: https://github.com/nodejs/node/pull/43202 PR-URL: https://github.com/nodejs/node/pull/44001 Reviewed-By: Filip Skokan Reviewed-By: Darshan Sen Reviewed-By: Feng Yu --- src/crypto/crypto_sig.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/crypto/crypto_sig.cc b/src/crypto/crypto_sig.cc index a72649ab8ec16f..9bebaafb371303 100644 --- a/src/crypto/crypto_sig.cc +++ b/src/crypto/crypto_sig.cc @@ -215,7 +215,7 @@ ByteSource ConvertSignatureToDER( CHECK_NOT_NULL(data); - return ByteSource::Allocated(reinterpret_cast(data), len); + return ByteSource::Allocated(data, len); } void CheckThrow(Environment* env, SignBase::Error error) { From bf9bceff89336797d32e9ea254f8eb722f31f55a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= Date: Wed, 27 Jul 2022 22:20:02 +0200 Subject: [PATCH 018/147] doc: list supported MODP groups explicitly Instead of referring users to perl to find information about supported MODP groups in crypto_groups.h, explicitly list the groups with their respective strengths and with references to the defining RFC sections. Refs: https://github.com/nodejs/node/pull/43896 PR-URL: https://github.com/nodejs/node/pull/43986 Reviewed-By: Luigi Pinca Reviewed-By: Filip Skokan --- doc/api/crypto.md | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/doc/api/crypto.md b/doc/api/crypto.md index e5bcd3b86651c9..ce12d9472dc57f 100644 --- a/doc/api/crypto.md +++ b/doc/api/crypto.md @@ -1181,20 +1181,16 @@ const { createDiffieHellmanGroup } = require('node:crypto'); const dh = createDiffieHellmanGroup('modp1'); ``` -The name (e.g. `'modp1'`) is taken from [RFC 2412][] (modp1 and 2) and -[RFC 3526][]: - -```console -$ perl -ne 'print "$1\n" if /"(modp\d+)"/' src/node_crypto_groups.h -modp1 # 768 bits -modp2 # 1024 bits -modp5 # 1536 bits -modp14 # 2048 bits -modp15 # etc. -modp16 -modp17 -modp18 -``` +The following groups are supported: + +* `'modp1'` (768 bits, [RFC 2409][] Section 6.1) +* `'modp2'` (1024 bits, [RFC 2409][] Section 6.2) +* `'modp5'` (1536 bits, [RFC 3526][] Section 2) +* `'modp14'` (2048 bits, [RFC 3526][] Section 3) +* `'modp15'` (3072 bits, [RFC 3526][] Section 4) +* `'modp16'` (4096 bits, [RFC 3526][] Section 5) +* `'modp17'` (6144 bits, [RFC 3526][] Section 6) +* `'modp18'` (8192 bits, [RFC 3526][] Section 7) ## Class: `ECDH` @@ -6099,6 +6095,7 @@ See the [list of SSL OP Flags][] for details. [Nonce-Disrespecting Adversaries]: https://github.com/nonce-disrespect/nonce-disrespect [OpenSSL's SPKAC implementation]: https://www.openssl.org/docs/man1.1.0/apps/openssl-spkac.html [RFC 1421]: https://www.rfc-editor.org/rfc/rfc1421.txt +[RFC 2409]: https://www.rfc-editor.org/rfc/rfc2409.txt [RFC 2412]: https://www.rfc-editor.org/rfc/rfc2412.txt [RFC 2818]: https://www.rfc-editor.org/rfc/rfc2818.txt [RFC 3526]: https://www.rfc-editor.org/rfc/rfc3526.txt From f7a62356092f0c0d4f137b1091b5c505e83bc8ec Mon Sep 17 00:00:00 2001 From: legendecas Date: Thu, 28 Jul 2022 08:09:30 +0800 Subject: [PATCH 019/147] src,lib: print source map error source on demand The source context is not prepended to the value of the `stack` property when the source map is not enabled. Rather than prepending the error source context to the value of the `stack` property unconditionally, this patch aligns the behavior and only prints the source context when the error is not handled by userland (e.g. fatal errors). Also, this patch fixes that when source-map support is enabled, the error source context is not pointing to where the error was thrown. PR-URL: https://github.com/nodejs/node/pull/43875 Fixes: https://github.com/nodejs/node/issues/43186 Fixes: https://github.com/nodejs/node/issues/41541 Reviewed-By: Ben Coe Reviewed-By: Matteo Collina --- .eslintignore | 1 + benchmark/es/error-stack.js | 34 +++++++ benchmark/fixtures/simple-error-stack.js | 15 +++ benchmark/fixtures/simple-error-stack.ts | 17 ++++ .../source_map/prepare_stack_trace.js | 44 +++++---- lib/internal/source_map/source_map_cache.js | 91 +++++++++++-------- src/env.h | 1 + src/node_errors.cc | 56 +++++++++++- test/message/source_map_disabled_by_api.js | 6 +- test/message/source_map_disabled_by_api.out | 6 -- test/message/source_map_enabled_by_api.js | 6 +- test/message/source_map_enabled_by_api.out | 10 -- .../message/source_map_enclosing_function.out | 6 +- test/message/source_map_eval.out | 4 + test/message/source_map_throw_catch.out | 3 - test/message/source_map_throw_first_tick.out | 2 +- test/message/source_map_throw_icu.out | 2 +- .../source_map_throw_set_immediate.out | 2 +- 18 files changed, 219 insertions(+), 87 deletions(-) create mode 100644 benchmark/es/error-stack.js create mode 100644 benchmark/fixtures/simple-error-stack.js create mode 100644 benchmark/fixtures/simple-error-stack.ts diff --git a/.eslintignore b/.eslintignore index 5941496e1a6280..153ac6e24f731e 100644 --- a/.eslintignore +++ b/.eslintignore @@ -6,6 +6,7 @@ test/message/esm_display_syntax_error.mjs tools/icu tools/lint-md/lint-md.mjs benchmark/tmp +benchmark/fixtures doc/**/*.js !doc/api_assets/*.js !.eslintrc.js diff --git a/benchmark/es/error-stack.js b/benchmark/es/error-stack.js new file mode 100644 index 00000000000000..907f308ea41558 --- /dev/null +++ b/benchmark/es/error-stack.js @@ -0,0 +1,34 @@ +'use strict'; + +const common = require('../common.js'); +const modPath = require.resolve('../fixtures/simple-error-stack.js'); + +const bench = common.createBenchmark(main, { + method: ['without-sourcemap', 'sourcemap'], + n: [1e5], +}); + +function runN(n) { + delete require.cache[modPath]; + const mod = require(modPath); + bench.start(); + for (let i = 0; i < n; i++) { + mod.simpleErrorStack(); + } + bench.end(n); +} + +function main({ n, method }) { + switch (method) { + case 'without-sourcemap': + process.setSourceMapsEnabled(false); + runN(n); + break; + case 'sourcemap': + process.setSourceMapsEnabled(true); + runN(n); + break; + default: + throw new Error(`Unexpected method "${method}"`); + } +} diff --git a/benchmark/fixtures/simple-error-stack.js b/benchmark/fixtures/simple-error-stack.js new file mode 100644 index 00000000000000..0057807795b072 --- /dev/null +++ b/benchmark/fixtures/simple-error-stack.js @@ -0,0 +1,15 @@ +'use strict'; +exports.__esModule = true; +exports.simpleErrorStack = void 0; +// Compile with `tsc --inlineSourceMap benchmark/fixtures/simple-error-stack.ts`. +var lorem = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.'; +function simpleErrorStack() { + try { + lorem.BANG(); + } + catch (e) { + return e.stack; + } +} +exports.simpleErrorStack = simpleErrorStack; +//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoic2ltcGxlLWVycm9yLXN0YWNrLmpzIiwic291cmNlUm9vdCI6IiIsInNvdXJjZXMiOlsic2ltcGxlLWVycm9yLXN0YWNrLnRzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiJBQUFBLFlBQVksQ0FBQzs7O0FBRWIsaUZBQWlGO0FBRWpGLElBQU0sS0FBSyxHQUFHLCtiQUErYixDQUFDO0FBRTljLFNBQVMsZ0JBQWdCO0lBQ3ZCLElBQUk7UUFDRCxLQUFhLENBQUMsSUFBSSxFQUFFLENBQUM7S0FDdkI7SUFBQyxPQUFPLENBQUMsRUFBRTtRQUNWLE9BQU8sQ0FBQyxDQUFDLEtBQUssQ0FBQztLQUNoQjtBQUNILENBQUM7QUFHQyw0Q0FBZ0IifQ== diff --git a/benchmark/fixtures/simple-error-stack.ts b/benchmark/fixtures/simple-error-stack.ts new file mode 100644 index 00000000000000..58034e92f24b98 --- /dev/null +++ b/benchmark/fixtures/simple-error-stack.ts @@ -0,0 +1,17 @@ +'use strict'; + +// Compile with `tsc --inlineSourceMap benchmark/fixtures/simple-error-stack.ts`. + +const lorem = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.'; + +function simpleErrorStack() { + try { + (lorem as any).BANG(); + } catch (e) { + return e.stack; + } +} + +export { + simpleErrorStack, +}; diff --git a/lib/internal/source_map/prepare_stack_trace.js b/lib/internal/source_map/prepare_stack_trace.js index 55dc8b344f8be6..d01ca2bedd52b8 100644 --- a/lib/internal/source_map/prepare_stack_trace.js +++ b/lib/internal/source_map/prepare_stack_trace.js @@ -25,6 +25,7 @@ const { kIsNodeError, } = require('internal/errors'); const { fileURLToPath } = require('internal/url'); +const { setGetSourceMapErrorSource } = internalBinding('errors'); // Create a prettified stacktrace, inserting context from source maps // if possible. @@ -53,7 +54,6 @@ const prepareStackTrace = (globalThis, error, trace) => { return errorString; } - let errorSource = ''; let lastSourceMap; let lastFileName; const preparedTrace = ArrayPrototypeJoin(ArrayPrototypeMap(trace, (t, i) => { @@ -62,14 +62,12 @@ const prepareStackTrace = (globalThis, error, trace) => { // A stack trace will often have several call sites in a row within the // same file, cache the source map and file content accordingly: let fileName = t.getFileName(); - let generated = false; if (fileName === undefined) { fileName = t.getEvalOrigin(); - generated = true; } const sm = fileName === lastFileName ? lastSourceMap : - findSourceMap(fileName, generated); + findSourceMap(fileName); lastSourceMap = sm; lastFileName = fileName; if (sm) { @@ -83,14 +81,6 @@ const prepareStackTrace = (globalThis, error, trace) => { if (originalSource && originalLine !== undefined && originalColumn !== undefined) { const name = getOriginalSymbolName(sm, trace, i); - if (i === 0) { - errorSource = getErrorSource( - sm, - originalSource, - originalLine, - originalColumn - ); - } // Construct call site name based on: v8.dev/docs/stack-trace-api: const fnName = t.getFunctionName() ?? t.getMethodName(); const typeName = t.getTypeName(); @@ -116,7 +106,7 @@ const prepareStackTrace = (globalThis, error, trace) => { } return `${str}${t}`; }), ''); - return `${errorSource}${errorString}\n at ${preparedTrace}`; + return `${errorString}\n at ${preparedTrace}`; }; // Transpilers may have removed the original symbol name used in the stack @@ -155,7 +145,7 @@ function getErrorSource( fileURLToPath(originalSourcePath) : originalSourcePath; const source = getOriginalSource( sourceMap.payload, - originalSourcePathNoScheme + originalSourcePath ); const lines = RegExpPrototypeSymbolSplit(/\r?\n/, source, originalLine + 1); const line = lines[originalLine]; @@ -178,28 +168,46 @@ function getErrorSource( function getOriginalSource(payload, originalSourcePath) { let source; - const originalSourcePathNoScheme = - StringPrototypeStartsWith(originalSourcePath, 'file://') ? - fileURLToPath(originalSourcePath) : originalSourcePath; + // payload.sources has been normalized to be an array of absolute urls. const sourceContentIndex = ArrayPrototypeIndexOf(payload.sources, originalSourcePath); if (payload.sourcesContent?.[sourceContentIndex]) { // First we check if the original source content was provided in the // source map itself: source = payload.sourcesContent[sourceContentIndex]; - } else { + } else if (StringPrototypeStartsWith(originalSourcePath, 'file://')) { // If no sourcesContent was found, attempt to load the original source // from disk: + debug(`read source of ${originalSourcePath} from filesystem`); + const originalSourcePathNoScheme = fileURLToPath(originalSourcePath); try { source = readFileSync(originalSourcePathNoScheme, 'utf8'); } catch (err) { debug(err); source = ''; } + } else { + source = ''; } return source; } +function getSourceMapErrorSource(fileName, lineNumber, columnNumber) { + const sm = findSourceMap(fileName); + if (sm === null) { + return; + } + const { + originalLine, + originalColumn, + originalSource, + } = sm.findEntry(lineNumber - 1, columnNumber); + const errorSource = getErrorSource(sm, originalSource, originalLine, originalColumn); + return errorSource; +} + +setGetSourceMapErrorSource(getSourceMapErrorSource); + module.exports = { prepareStackTrace, }; diff --git a/lib/internal/source_map/source_map_cache.js b/lib/internal/source_map/source_map_cache.js index c7770e7a6c733b..ba79540d837849 100644 --- a/lib/internal/source_map/source_map_cache.js +++ b/lib/internal/source_map/source_map_cache.js @@ -41,6 +41,8 @@ const esmSourceMapCache = new SafeMap(); // The generated sources is not mutable, so we can use a Map without memory concerns: const generatedSourceMapCache = new SafeMap(); const kLeadingProtocol = /^\w+:\/\//; +const kSourceMappingURLMagicComment = /\/[*/]#\s+sourceMappingURL=(?[^\s]+)/; +const kSourceURLMagicComment = /\/[*/]#\s+sourceURL=(?[^\s]+)/; const { fileURLToPath, pathToFileURL, URL } = require('internal/url'); let SourceMap; @@ -77,7 +79,22 @@ function setSourceMapsEnabled(val) { sourceMapsEnabled = val; } -function maybeCacheSourceMap(filename, content, cjsModuleInstance, isGeneratedSource) { +function extractSourceURLMagicComment(content) { + const matchSourceURL = RegExpPrototypeExec( + kSourceURLMagicComment, + content + ); + if (matchSourceURL === null) { + return null; + } + let sourceURL = matchSourceURL.groups.sourceURL; + if (sourceURL != null && RegExpPrototypeExec(kLeadingProtocol, sourceURL) === null) { + sourceURL = pathToFileURL(sourceURL).href; + } + return sourceURL; +} + +function maybeCacheSourceMap(filename, content, cjsModuleInstance, isGeneratedSource, sourceURL) { const sourceMapsEnabled = getSourceMapsEnabled(); if (!(process.env.NODE_V8_COVERAGE || sourceMapsEnabled)) return; try { @@ -87,10 +104,10 @@ function maybeCacheSourceMap(filename, content, cjsModuleInstance, isGeneratedSo debug(err); return; } - const match = RegExpPrototypeExec( - /\/[*/]#\s+sourceMappingURL=(?[^\s]+)/, - content, - ); + const match = RegExpPrototypeExec(kSourceMappingURLMagicComment, content); + if (sourceURL === undefined) { + sourceURL = extractSourceURLMagicComment(content); + } if (match) { const data = dataFromUrl(filename, match.groups.sourceMappingURL); const url = data ? null : match.groups.sourceMappingURL; @@ -99,22 +116,33 @@ function maybeCacheSourceMap(filename, content, cjsModuleInstance, isGeneratedSo filename, lineLengths: lineLengths(content), data, - url + url, + sourceURL, }); } else if (isGeneratedSource) { - generatedSourceMapCache.set(filename, { + const entry = { lineLengths: lineLengths(content), data, - url - }); + url, + sourceURL + }; + generatedSourceMapCache.set(filename, entry); + if (sourceURL) { + generatedSourceMapCache.set(sourceURL, entry); + } } else { // If there is no cjsModuleInstance and is not generated source assume we are in a // "modules/esm" context. - esmSourceMapCache.set(filename, { + const entry = { lineLengths: lineLengths(content), data, - url - }); + url, + sourceURL, + }; + esmSourceMapCache.set(filename, entry); + if (sourceURL) { + esmSourceMapCache.set(sourceURL, entry); + } } } } @@ -123,19 +151,12 @@ function maybeCacheGeneratedSourceMap(content) { const sourceMapsEnabled = getSourceMapsEnabled(); if (!(process.env.NODE_V8_COVERAGE || sourceMapsEnabled)) return; - const matchSourceURL = RegExpPrototypeExec( - /\/[*/]#\s+sourceURL=(?[^\s]+)/, - content - ); - if (matchSourceURL == null) { + const sourceURL = extractSourceURLMagicComment(content); + if (sourceURL === null) { return; } - let sourceURL = matchSourceURL.groups.sourceURL; - if (RegExpPrototypeExec(kLeadingProtocol, sourceURL) === null) { - sourceURL = pathToFileURL(sourceURL).href; - } try { - maybeCacheSourceMap(sourceURL, content, null, true); + maybeCacheSourceMap(sourceURL, content, null, true, sourceURL); } catch (err) { // This can happen if the filename is not a valid URL. // If we fail to cache the source map, we should not fail the whole process. @@ -254,33 +275,29 @@ function appendCJSCache(obj) { } } -function findSourceMap(sourceURL, isGenerated) { +function findSourceMap(sourceURL) { if (RegExpPrototypeExec(kLeadingProtocol, sourceURL) === null) { sourceURL = pathToFileURL(sourceURL).href; } if (!SourceMap) { SourceMap = require('internal/source_map/source_map').SourceMap; } - let sourceMap; - if (isGenerated) { - sourceMap = generatedSourceMapCache.get(sourceURL); - } else { - sourceMap = esmSourceMapCache.get(sourceURL); - if (sourceMap === undefined) { - for (const value of cjsSourceMapCache) { - const filename = ObjectGetValueSafe(value, 'filename'); - if (sourceURL === filename) { - sourceMap = { - data: ObjectGetValueSafe(value, 'data') - }; - } + let sourceMap = esmSourceMapCache.get(sourceURL) ?? generatedSourceMapCache.get(sourceURL); + if (sourceMap === undefined) { + for (const value of cjsSourceMapCache) { + const filename = ObjectGetValueSafe(value, 'filename'); + const cachedSourceURL = ObjectGetValueSafe(value, 'sourceURL'); + if (sourceURL === filename || sourceURL === cachedSourceURL) { + sourceMap = { + data: ObjectGetValueSafe(value, 'data') + }; } } } if (sourceMap && sourceMap.data) { return new SourceMap(sourceMap.data); } - return undefined; + return null; } module.exports = { diff --git a/src/env.h b/src/env.h index d38bc5338bc3e8..e17747fc97fdb8 100644 --- a/src/env.h +++ b/src/env.h @@ -525,6 +525,7 @@ class NoArrayBufferZeroFillScope { V(enhance_fatal_stack_after_inspector, v8::Function) \ V(enhance_fatal_stack_before_inspector, v8::Function) \ V(fs_use_promises_symbol, v8::Symbol) \ + V(get_source_map_error_source, v8::Function) \ V(host_import_module_dynamically_callback, v8::Function) \ V(host_initialize_import_meta_object_callback, v8::Function) \ V(http2session_on_altsvc_function, v8::Function) \ diff --git a/src/node_errors.cc b/src/node_errors.cc index 73467cf84e2d79..d529cf8b6c69d0 100644 --- a/src/node_errors.cc +++ b/src/node_errors.cc @@ -49,6 +49,40 @@ namespace per_process { static Mutex tty_mutex; } // namespace per_process +static std::string GetSourceMapErrorSource(Isolate* isolate, + Local context, + Local message, + bool* added_exception_line) { + v8::TryCatch try_catch(isolate); + HandleScope handle_scope(isolate); + Environment* env = Environment::GetCurrent(context); + + // The ScriptResourceName of the message may be different from the one we use + // to compile the script. V8 replaces it when it detects magic comments in + // the source texts. + Local script_resource_name = message->GetScriptResourceName(); + int linenum = message->GetLineNumber(context).FromJust(); + int columnum = message->GetStartColumn(context).FromJust(); + + Local argv[] = {script_resource_name, + v8::Int32::New(isolate, linenum), + v8::Int32::New(isolate, columnum)}; + MaybeLocal maybe_ret = env->get_source_map_error_source()->Call( + context, Undefined(isolate), arraysize(argv), argv); + Local ret; + if (!maybe_ret.ToLocal(&ret)) { + // Ignore the caught exceptions. + DCHECK(try_catch.HasCaught()); + return std::string(); + } + if (!ret->IsString()) { + return std::string(); + } + *added_exception_line = true; + node::Utf8Value error_source_utf8(isolate, ret.As()); + return *error_source_utf8; +} + static std::string GetErrorSource(Isolate* isolate, Local context, Local message, @@ -58,6 +92,10 @@ static std::string GetErrorSource(Isolate* isolate, std::string sourceline(*encoded_source, encoded_source.length()); *added_exception_line = false; + if (sourceline.find("node-do-not-add-exception-line") != std::string::npos) { + return sourceline; + } + // If source maps have been enabled, the exception line will instead be // added in the JavaScript context: Environment* env = Environment::GetCurrent(isolate); @@ -65,11 +103,9 @@ static std::string GetErrorSource(Isolate* isolate, !message->GetScriptOrigin().SourceMapUrl().IsEmpty() && !message->GetScriptOrigin().SourceMapUrl()->IsUndefined(); if (has_source_map_url && env != nullptr && env->source_maps_enabled()) { - return sourceline; - } - - if (sourceline.find("node-do-not-add-exception-line") != std::string::npos) { - return sourceline; + std::string source = GetSourceMapErrorSource( + isolate, context, message, added_exception_line); + return added_exception_line ? source : sourceline; } // Because of how node modules work, all scripts are wrapped with a @@ -869,6 +905,13 @@ static void SetSourceMapsEnabled(const FunctionCallbackInfo& args) { env->set_source_maps_enabled(args[0].As()->Value()); } +static void SetGetSourceMapErrorSource( + const FunctionCallbackInfo& args) { + Environment* env = Environment::GetCurrent(args); + CHECK(args[0]->IsFunction()); + env->set_get_source_map_error_source(args[0].As()); +} + static void SetMaybeCacheGeneratedSourceMap( const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); @@ -909,6 +952,7 @@ static void TriggerUncaughtException(const FunctionCallbackInfo& args) { void RegisterExternalReferences(ExternalReferenceRegistry* registry) { registry->Register(SetPrepareStackTraceCallback); + registry->Register(SetGetSourceMapErrorSource); registry->Register(SetSourceMapsEnabled); registry->Register(SetMaybeCacheGeneratedSourceMap); registry->Register(SetEnhanceStackForFatalException); @@ -923,6 +967,8 @@ void Initialize(Local target, Environment* env = Environment::GetCurrent(context); env->SetMethod( target, "setPrepareStackTraceCallback", SetPrepareStackTraceCallback); + env->SetMethod( + target, "setGetSourceMapErrorSource", SetGetSourceMapErrorSource); env->SetMethod(target, "setSourceMapsEnabled", SetSourceMapsEnabled); env->SetMethod(target, "setMaybeCacheGeneratedSourceMap", diff --git a/test/message/source_map_disabled_by_api.js b/test/message/source_map_disabled_by_api.js index 8405e4f3661cff..db55d24e1d5df8 100644 --- a/test/message/source_map_disabled_by_api.js +++ b/test/message/source_map_disabled_by_api.js @@ -17,4 +17,8 @@ delete require.cache[require // Re-enable. process.setSourceMapsEnabled(true); -require('../fixtures/source-map/enclosing-call-site-min.js'); +try { + require('../fixtures/source-map/enclosing-call-site-min.js'); +} catch (e) { + console.log(e); +} diff --git a/test/message/source_map_disabled_by_api.out b/test/message/source_map_disabled_by_api.out index 70979849795e11..f3f93758c1d272 100644 --- a/test/message/source_map_disabled_by_api.out +++ b/test/message/source_map_disabled_by_api.out @@ -9,10 +9,6 @@ Error: an error! at Module.load (node:internal/modules/cjs/loader:*) at Module._load (node:internal/modules/cjs/loader:*) at Module.require (node:internal/modules/cjs/loader:*) -*enclosing-call-site.js:16 - throw new Error('an error!') - ^ - Error: an error! at functionD (*enclosing-call-site.js:16:17) at functionC (*enclosing-call-site.js:10:3) @@ -24,5 +20,3 @@ Error: an error! at Module.load (node:internal/modules/cjs/loader:*) at Module._load (node:internal/modules/cjs/loader:*) at Module.require (node:internal/modules/cjs/loader:*) - -Node.js * diff --git a/test/message/source_map_enabled_by_api.js b/test/message/source_map_enabled_by_api.js index 3133bd26399fd4..29e0f9708903a8 100644 --- a/test/message/source_map_enabled_by_api.js +++ b/test/message/source_map_enabled_by_api.js @@ -14,4 +14,8 @@ delete require.cache[require process.setSourceMapsEnabled(false); -require('../fixtures/source-map/enclosing-call-site-min.js'); +try { + require('../fixtures/source-map/enclosing-call-site-min.js'); +} catch (e) { + console.log(e); +} diff --git a/test/message/source_map_enabled_by_api.out b/test/message/source_map_enabled_by_api.out index 9af1810020cf3f..97547436db091b 100644 --- a/test/message/source_map_enabled_by_api.out +++ b/test/message/source_map_enabled_by_api.out @@ -1,7 +1,3 @@ -*enclosing-call-site.js:16 - throw new Error('an error!') - ^ - Error: an error! at functionD (*enclosing-call-site.js:16:17) at functionC (*enclosing-call-site.js:10:3) @@ -13,10 +9,6 @@ Error: an error! at Module.load (node:internal/modules/cjs/loader:*) at Module._load (node:internal/modules/cjs/loader:*) at Module.require (node:internal/modules/cjs/loader:*) -*enclosing-call-site-min.js:1 -var functionA=function(){functionB()};function functionB(){functionC()}var functionC=function(){functionD()},functionD=function(){if(0 Date: Sun, 19 Jun 2022 21:40:49 +0900 Subject: [PATCH 020/147] lib: add missing env vars to --help PR-URL: https://github.com/nodejs/node/pull/43492 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Michael Dawson Reviewed-By: Feng Yu --- lib/internal/main/print_help.js | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/internal/main/print_help.js b/lib/internal/main/print_help.js index a2cee4b0567649..f8fc5a6075f104 100644 --- a/lib/internal/main/print_help.js +++ b/lib/internal/main/print_help.js @@ -55,10 +55,15 @@ const envVars = new SafeMap(ArrayPrototypeConcat([ 'of stderr' }], ['NODE_REPL_HISTORY', { helpText: 'path to the persistent REPL ' + 'history file' }], + ['NODE_REPL_EXTERNAL_MODULE', { helpText: 'path to a Node.js module ' + + 'which will be loaded in place of the built-in REPL' }], + ['NODE_SKIP_PLATFORM_CHECK', { helpText: 'set to 1 to skip ' + + 'the check for a supported platform during Node.js startup' }], ['NODE_TLS_REJECT_UNAUTHORIZED', { helpText: 'set to 0 to disable TLS ' + 'certificate validation' }], ['NODE_V8_COVERAGE', { helpText: 'directory to output v8 coverage JSON ' + 'to' }], + ['TZ', { helpText: 'specify the timezone configuration' }], ['UV_THREADPOOL_SIZE', { helpText: 'sets the number of threads used in ' + 'libuv\'s threadpool' }], ], hasIntl ? [ From 385366533fab711c4ddeae2051f83e3ac4bf4dbb Mon Sep 17 00:00:00 2001 From: cola119 Date: Sun, 19 Jun 2022 21:40:52 +0900 Subject: [PATCH 021/147] doc: add missing env vars to man page PR-URL: https://github.com/nodejs/node/pull/43492 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Michael Dawson Reviewed-By: Feng Yu --- doc/node.1 | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/doc/node.1 b/doc/node.1 index 97352f4a10629d..2a1e80c96dfc1d 100644 --- a/doc/node.1 +++ b/doc/node.1 @@ -648,6 +648,7 @@ instead of printing to stderr. Equivalent to passing .Fl -redirect-warnings Ar file on the command line. +. .It Ev NODE_REPL_HISTORY Ar file Path to the .Ar file @@ -657,6 +658,10 @@ The default path is which is overridden by this variable. Setting the value to an empty string ("" or " ") will disable persistent REPL history. . +.It Ev NODE_REPL_EXTERNAL_MODULE Ar file +Path to a Node.js module which will be loaded in place of the built-in REPL. +Overriding this value to an empty string (`''`) will use the built-in REPL. +. .It Ev NODE_SKIP_PLATFORM_CHECK When set to .Ar 1 , @@ -692,6 +697,9 @@ If .Fl -use-openssl-ca is enabled, this overrides and sets OpenSSL's file containing trusted certificates. . +.It Ev TZ +Specify the timezone configuration. +. .It Ev UV_THREADPOOL_SIZE Ar size Sets the number of threads used in libuv's threadpool to .Ar size . From d1e69894c033ad49480be3b98a7693e4a07799ab Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= Date: Wed, 27 Jul 2022 17:56:12 +0000 Subject: [PATCH 022/147] doc: remove old reference from crypto/README.md The referenced header file does not exist anymore. Refs: https://github.com/nodejs/node/pull/43896 PR-URL: https://github.com/nodejs/node/pull/44012 Reviewed-By: Filip Skokan Reviewed-By: Richard Lau Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Luigi Pinca Reviewed-By: Benjamin Gruenbaum Reviewed-By: Feng Yu --- src/crypto/README.md | 1 - 1 file changed, 1 deletion(-) diff --git a/src/crypto/README.md b/src/crypto/README.md index e78db18ea4e881..1f5e5b20448499 100644 --- a/src/crypto/README.md +++ b/src/crypto/README.md @@ -22,7 +22,6 @@ the various other crypto files and other parts of Node.js: * `crypto_util.h` / `crypto_util.cc` (Core crypto definitions) * `crypto_common.h` / `crypto_common.cc` (Shared TLS utility functions) * `crypto_bio.h` / `crypto_bio.cc` (Custom OpenSSL i/o implementation) -* `crypto_groups.h` (modp group definitions) Of these, `crypto_util.h` and `crypto_util.cc` are the most important, as they provide the core declarations and utility functions used most extensively From ca24eace1cd2d3bc4f369fb9c1689c02909de587 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Wed, 27 Jul 2022 17:54:57 +0200 Subject: [PATCH 023/147] src: fix typo in src/README.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/44009 Reviewed-By: Rafael Gonzaga Reviewed-By: Richard Lau Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Benjamin Gruenbaum Reviewed-By: Luigi Pinca Reviewed-By: Tobias Nießen --- src/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/README.md b/src/README.md index 774614395afd40..8162deecb3cc83 100644 --- a/src/README.md +++ b/src/README.md @@ -619,7 +619,7 @@ v8::Maybe SumNumbers(v8::Local context, for (uint32_t i = 0; i < array_of_integers->Length(); i++) { v8::Local entry; - if (array_of_integers->Get(context, i).ToLocal(&entry)) { + if (!array_of_integers->Get(context, i).ToLocal(&entry)) { // Oops, we might have hit a getter that throws an exception! // It's better to not continue return an empty (“nothing”) Maybe. return v8::Nothing(); From 24baa879572ca47441b5d74dc80b2e40c28fde62 Mon Sep 17 00:00:00 2001 From: Moshe Atlow Date: Thu, 28 Jul 2022 12:54:09 +0300 Subject: [PATCH 024/147] test_runner: fix top level `describe` queuing PR-URL: https://github.com/nodejs/node/pull/43998 Reviewed-By: Antoine du Hamel Reviewed-By: Benjamin Gruenbaum --- lib/internal/test_runner/test.js | 17 ++- test/message/test_runner_describe_it.js | 55 +++++++-- test/message/test_runner_describe_it.out | 141 +++++++++++++---------- test/message/test_runner_output.js | 22 ++++ test/message/test_runner_output.out | 23 +++- test/parallel/test-runner-concurrency.js | 39 ++++++- 6 files changed, 208 insertions(+), 89 deletions(-) diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js index 89b8c196038549..14011f0c28ad30 100644 --- a/lib/internal/test_runner/test.js +++ b/lib/internal/test_runner/test.js @@ -561,7 +561,12 @@ class Suite extends Test { try { const context = { signal: this.signal }; - this.buildSuite = this.runInAsyncScope(this.fn, context, [context]); + this.buildSuite = PromisePrototypeThen( + PromiseResolve(this.runInAsyncScope(this.fn, context, [context])), + undefined, + (err) => { + this.fail(new ERR_TEST_FAILURE(err, kTestCodeFailure)); + }); } catch (err) { this.fail(new ERR_TEST_FAILURE(err, kTestCodeFailure)); } @@ -569,17 +574,9 @@ class Suite extends Test { this.buildPhaseFinished = true; } - start() { - return this.run(); - } - async run() { - try { - await this.buildSuite; - } catch (err) { - this.fail(new ERR_TEST_FAILURE(err, kTestCodeFailure)); - } this.parent.activeSubtests++; + await this.buildSuite; this.startTime = hrtime(); if (this[kShouldAbort]()) { diff --git a/test/message/test_runner_describe_it.js b/test/message/test_runner_describe_it.js index c272fb38a749f6..24b83041d4ad03 100644 --- a/test/message/test_runner_describe_it.js +++ b/test/message/test_runner_describe_it.js @@ -149,17 +149,6 @@ describe('level 0a', { concurrency: 4 }, () => { return p0a; }); -describe('top level', { concurrency: 2 }, () => { - it('+long running', async () => { - return new Promise((resolve, reject) => { - setTimeout(resolve, 3000).unref(); - }); - }); - - describe('+short running', async () => { - it('++short running', async () => {}); - }); -}); describe('invalid subtest - pass but subtest fails', () => { setImmediate(() => { @@ -339,3 +328,47 @@ describe('timeouts', () => { setTimeout(done, 10); }); }); + +describe('successful thenable', () => { + it('successful thenable', () => { + let thenCalled = false; + return { + get then() { + if (thenCalled) throw new Error(); + thenCalled = true; + return (successHandler) => successHandler(); + }, + }; + }); + + it('rejected thenable', () => { + let thenCalled = false; + return { + get then() { + if (thenCalled) throw new Error(); + thenCalled = true; + return (_, errorHandler) => errorHandler(new Error('custom error')); + }, + }; + }); + + let thenCalled = false; + return { + get then() { + if (thenCalled) throw new Error(); + thenCalled = true; + return (successHandler) => successHandler(); + }, + }; +}); + +describe('rejected thenable', () => { + let thenCalled = false; + return { + get then() { + if (thenCalled) throw new Error(); + thenCalled = true; + return (_, errorHandler) => errorHandler(new Error('custom error')); + }, + }; +}); diff --git a/test/message/test_runner_describe_it.out b/test/message/test_runner_describe_it.out index 7961345b976f73..cef7f8c94a8098 100644 --- a/test/message/test_runner_describe_it.out +++ b/test/message/test_runner_describe_it.out @@ -24,6 +24,7 @@ not ok 3 - sync fail todo # TODO * * * + * ... # Subtest: sync fail todo with message not ok 4 - sync fail todo with message # TODO this is a failing todo @@ -74,6 +75,7 @@ not ok 8 - sync throw fail * * * + * ... # Subtest: async skip pass ok 9 - async skip pass # SKIP @@ -100,6 +102,7 @@ not ok 11 - async throw fail * * * + * ... # Subtest: async skip fail not ok 12 - async skip fail @@ -128,6 +131,7 @@ not ok 13 - async assertion fail * * * + * ... # Subtest: resolve pass ok 14 - resolve pass @@ -149,6 +153,7 @@ not ok 15 - reject fail * * * + * ... # Subtest: unhandled rejection - passes but warns ok 16 - unhandled rejection - passes but warns @@ -237,45 +242,23 @@ ok 23 - level 0a --- duration_ms: * ... -# Subtest: top level - # Subtest: +long running - ok 1 - +long running - --- - duration_ms: * - ... - # Subtest: +short running - # Subtest: ++short running - ok 1 - ++short running - --- - duration_ms: * - ... - 1..1 - ok 2 - +short running - --- - duration_ms: * - ... - 1..2 -ok 24 - top level - --- - duration_ms: * - ... # Subtest: invalid subtest - pass but subtest fails -ok 25 - invalid subtest - pass but subtest fails +ok 24 - invalid subtest - pass but subtest fails --- duration_ms: * ... # Subtest: sync skip option -ok 26 - sync skip option # SKIP +ok 25 - sync skip option # SKIP --- duration_ms: * ... # Subtest: sync skip option with message -ok 27 - sync skip option with message # SKIP this is skipped +ok 26 - sync skip option with message # SKIP this is skipped --- duration_ms: * ... # Subtest: sync skip option is false fail -not ok 28 - sync skip option is false fail +not ok 27 - sync skip option is false fail --- duration_ms: * failureType: 'testCodeFailure' @@ -291,67 +274,67 @@ not ok 28 - sync skip option is false fail * ... # Subtest: -ok 29 - +ok 28 - --- duration_ms: * ... # Subtest: functionOnly -ok 30 - functionOnly +ok 29 - functionOnly --- duration_ms: * ... # Subtest: -ok 31 - +ok 30 - --- duration_ms: * ... # Subtest: test with only a name provided -ok 32 - test with only a name provided +ok 31 - test with only a name provided --- duration_ms: * ... # Subtest: -ok 33 - +ok 32 - --- duration_ms: * ... # Subtest: -ok 34 - # SKIP +ok 33 - # SKIP --- duration_ms: * ... # Subtest: test with a name and options provided -ok 35 - test with a name and options provided # SKIP +ok 34 - test with a name and options provided # SKIP --- duration_ms: * ... # Subtest: functionAndOptions -ok 36 - functionAndOptions # SKIP +ok 35 - functionAndOptions # SKIP --- duration_ms: * ... # Subtest: escaped description \\ \# \\\#\\ -ok 37 - escaped description \\ \# \\\#\\ +ok 36 - escaped description \\ \# \\\#\\ --- duration_ms: * ... # Subtest: escaped skip message -ok 38 - escaped skip message # SKIP \#skip +ok 37 - escaped skip message # SKIP \#skip --- duration_ms: * ... # Subtest: escaped todo message -ok 39 - escaped todo message # TODO \#todo +ok 38 - escaped todo message # TODO \#todo --- duration_ms: * ... # Subtest: callback pass -ok 40 - callback pass +ok 39 - callback pass --- duration_ms: * ... # Subtest: callback fail -not ok 41 - callback fail +not ok 40 - callback fail --- duration_ms: * failureType: 'testCodeFailure' @@ -362,22 +345,22 @@ not ok 41 - callback fail * ... # Subtest: sync t is this in test -ok 42 - sync t is this in test +ok 41 - sync t is this in test --- duration_ms: * ... # Subtest: async t is this in test -ok 43 - async t is this in test +ok 42 - async t is this in test --- duration_ms: * ... # Subtest: callback t is this in test -ok 44 - callback t is this in test +ok 43 - callback t is this in test --- duration_ms: * ... # Subtest: callback also returns a Promise -not ok 45 - callback also returns a Promise +not ok 44 - callback also returns a Promise --- duration_ms: * failureType: 'callbackAndPromisePresent' @@ -385,7 +368,7 @@ not ok 45 - callback also returns a Promise code: 'ERR_TEST_FAILURE' ... # Subtest: callback throw -not ok 46 - callback throw +not ok 45 - callback throw --- duration_ms: * failureType: 'testCodeFailure' @@ -401,7 +384,7 @@ not ok 46 - callback throw * ... # Subtest: callback called twice -not ok 47 - callback called twice +not ok 46 - callback called twice --- duration_ms: * failureType: 'multipleCallbackInvocations' @@ -412,12 +395,12 @@ not ok 47 - callback called twice * ... # Subtest: callback called twice in different ticks -ok 48 - callback called twice in different ticks +ok 47 - callback called twice in different ticks --- duration_ms: * ... # Subtest: callback called twice in future tick -not ok 49 - callback called twice in future tick +not ok 48 - callback called twice in future tick --- duration_ms: * failureType: 'uncaughtException' @@ -427,7 +410,7 @@ not ok 49 - callback called twice in future tick * ... # Subtest: callback async throw -not ok 50 - callback async throw +not ok 49 - callback async throw --- duration_ms: * failureType: 'uncaughtException' @@ -437,12 +420,12 @@ not ok 50 - callback async throw * ... # Subtest: callback async throw after done -ok 51 - callback async throw after done +ok 50 - callback async throw after done --- duration_ms: * ... # Subtest: custom inspect symbol fail -not ok 52 - custom inspect symbol fail +not ok 51 - custom inspect symbol fail --- duration_ms: * failureType: 'testCodeFailure' @@ -450,7 +433,7 @@ not ok 52 - custom inspect symbol fail code: 'ERR_TEST_FAILURE' ... # Subtest: custom inspect symbol that throws fail -not ok 53 - custom inspect symbol that throws fail +not ok 52 - custom inspect symbol that throws fail --- duration_ms: * failureType: 'testCodeFailure' @@ -501,7 +484,7 @@ not ok 53 - custom inspect symbol that throws fail * ... 1..2 -not ok 54 - subtest sync throw fails +not ok 53 - subtest sync throw fails --- duration_ms: * failureType: 'subtestsFailed' @@ -518,7 +501,7 @@ not ok 54 - subtest sync throw fails code: 'ERR_TEST_FAILURE' ... 1..1 -not ok 55 - describe sync throw fails +not ok 54 - describe sync throw fails --- duration_ms: * failureType: 'testCodeFailure' @@ -546,7 +529,7 @@ not ok 55 - describe sync throw fails code: 'ERR_TEST_FAILURE' ... 1..1 -not ok 56 - describe async throw fails +not ok 55 - describe async throw fails --- duration_ms: * failureType: 'testCodeFailure' @@ -573,7 +556,7 @@ not ok 56 - describe async throw fails error: 'test timed out after 5ms' code: 'ERR_TEST_FAILURE' stack: |- - * + async Promise.all (index 0) ... # Subtest: timed out callback test not ok 2 - timed out callback test @@ -594,15 +577,51 @@ not ok 56 - describe async throw fails duration_ms: * ... 1..4 -not ok 57 - timeouts +not ok 56 - timeouts --- duration_ms: * failureType: 'subtestsFailed' error: '2 subtests failed' code: 'ERR_TEST_FAILURE' ... +# Subtest: successful thenable + # Subtest: successful thenable + ok 1 - successful thenable + --- + duration_ms: * + ... + # Subtest: rejected thenable + not ok 2 - rejected thenable + --- + duration_ms: * + failureType: 'testCodeFailure' + error: 'custom error' + code: 'ERR_TEST_FAILURE' + stack: |- + * + * + ... + 1..2 +not ok 57 - successful thenable + --- + duration_ms: * + failureType: 'subtestsFailed' + error: '1 subtest failed' + code: 'ERR_TEST_FAILURE' + ... +# Subtest: rejected thenable +not ok 58 - rejected thenable + --- + duration_ms: * + failureType: 'testCodeFailure' + error: 'custom error' + code: 'ERR_TEST_FAILURE' + stack: |- + * + * + ... # Subtest: invalid subtest fail -not ok 58 - invalid subtest fail +not ok 59 - invalid subtest fail --- duration_ms: * failureType: 'parentAlreadyFinished' @@ -611,16 +630,16 @@ not ok 58 - invalid subtest fail stack: |- * ... -1..58 +1..59 # Warning: Test "unhandled rejection - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: rejected from unhandled rejection fail" and would have caused the test to fail, but instead triggered an unhandledRejection event. # Warning: Test "async unhandled rejection - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: rejected from async unhandled rejection fail" and would have caused the test to fail, but instead triggered an unhandledRejection event. # Warning: Test "immediate throw - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: thrown from immediate throw fail" and would have caused the test to fail, but instead triggered an uncaughtException event. # Warning: Test "immediate reject - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: rejected from immediate reject fail" and would have caused the test to fail, but instead triggered an unhandledRejection event. # Warning: Test "callback called twice in different ticks" generated asynchronous activity after the test ended. This activity created the error "Error [ERR_TEST_FAILURE]: callback invoked multiple times" and would have caused the test to fail, but instead triggered an uncaughtException event. # Warning: Test "callback async throw after done" generated asynchronous activity after the test ended. This activity created the error "Error: thrown from callback async throw after done" and would have caused the test to fail, but instead triggered an uncaughtException event. -# tests 58 -# pass 23 -# fail 21 +# tests 59 +# pass 22 +# fail 23 # cancelled 0 # skipped 9 # todo 5 diff --git a/test/message/test_runner_output.js b/test/message/test_runner_output.js index 33e17e6a082ca7..8fce194f56d2b7 100644 --- a/test/message/test_runner_output.js +++ b/test/message/test_runner_output.js @@ -349,3 +349,25 @@ test('large timeout async test is ok', { timeout: 30_000_000 }, async (t) => { test('large timeout callback test is ok', { timeout: 30_000_000 }, (t, done) => { setTimeout(done, 10); }); + +test('successful thenable', () => { + let thenCalled = false; + return { + get then() { + if (thenCalled) throw new Error(); + thenCalled = true; + return (successHandler) => successHandler(); + }, + }; +}); + +test('rejected thenable', () => { + let thenCalled = false; + return { + get then() { + if (thenCalled) throw new Error(); + thenCalled = true; + return (_, errorHandler) => errorHandler('custom error'); + }, + }; +}); diff --git a/test/message/test_runner_output.out b/test/message/test_runner_output.out index 4e987f8e9f4b94..49a19fe302bbb0 100644 --- a/test/message/test_runner_output.out +++ b/test/message/test_runner_output.out @@ -588,8 +588,21 @@ ok 60 - large timeout callback test is ok --- duration_ms: * ... +# Subtest: successful thenable +ok 61 - successful thenable + --- + duration_ms: * + ... +# Subtest: rejected thenable +not ok 62 - rejected thenable + --- + duration_ms: * + failureType: 'testCodeFailure' + error: 'custom error' + code: 'ERR_TEST_FAILURE' + ... # Subtest: invalid subtest fail -not ok 61 - invalid subtest fail +not ok 63 - invalid subtest fail --- duration_ms: * failureType: 'parentAlreadyFinished' @@ -598,16 +611,16 @@ not ok 61 - invalid subtest fail stack: |- * ... -1..61 +1..63 # Warning: Test "unhandled rejection - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: rejected from unhandled rejection fail" and would have caused the test to fail, but instead triggered an unhandledRejection event. # Warning: Test "async unhandled rejection - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: rejected from async unhandled rejection fail" and would have caused the test to fail, but instead triggered an unhandledRejection event. # Warning: Test "immediate throw - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: thrown from immediate throw fail" and would have caused the test to fail, but instead triggered an uncaughtException event. # Warning: Test "immediate reject - passes but warns" generated asynchronous activity after the test ended. This activity created the error "Error: rejected from immediate reject fail" and would have caused the test to fail, but instead triggered an unhandledRejection event. # Warning: Test "callback called twice in different ticks" generated asynchronous activity after the test ended. This activity created the error "Error [ERR_TEST_FAILURE]: callback invoked multiple times" and would have caused the test to fail, but instead triggered an uncaughtException event. # Warning: Test "callback async throw after done" generated asynchronous activity after the test ended. This activity created the error "Error: thrown from callback async throw after done" and would have caused the test to fail, but instead triggered an uncaughtException event. -# tests 61 -# pass 26 -# fail 18 +# tests 63 +# pass 27 +# fail 19 # cancelled 2 # skipped 10 # todo 5 diff --git a/test/parallel/test-runner-concurrency.js b/test/parallel/test-runner-concurrency.js index 802cff3e9be375..8d756971d68551 100644 --- a/test/parallel/test-runner-concurrency.js +++ b/test/parallel/test-runner-concurrency.js @@ -1,6 +1,6 @@ 'use strict'; -require('../common'); -const { describe, it } = require('node:test'); +const common = require('../common'); +const { describe, it, test } = require('node:test'); const assert = require('assert'); describe('Concurrency option (boolean) = true ', { concurrency: true }, () => { @@ -27,3 +27,38 @@ describe( }); } ); + +{ + // Make sure tests run in order when root concurrency is 1 (default) + const tree = []; + const expectedTestTree = common.mustCall(() => { + assert.deepStrictEqual(tree, [ + 'suite 1', 'nested', 'suite 2', + '1', '2', 'nested 1', 'nested 2', + 'test', 'test 1', 'test 2', + ]); + }); + + describe('suite 1', () => { + tree.push('suite 1'); + it('1', () => tree.push('1')); + it('2', () => tree.push('2')); + + describe('nested', () => { + tree.push('nested'); + it('nested 1', () => tree.push('nested 1')); + it('nested 2', () => tree.push('nested 2')); + }); + }); + + test('test', async (t) => { + tree.push('test'); + await t.test('test1', () => tree.push('test 1')); + await t.test('test 2', () => tree.push('test 2')); + }); + + describe('suite 2', () => { + tree.push('suite 2'); + it('should run after other suites', expectedTestTree); + }); +} From 6bf688d1d86f0a642ab7f935d3b272a8d439e874 Mon Sep 17 00:00:00 2001 From: npm CLI robot Date: Thu, 28 Jul 2022 11:03:27 -0700 Subject: [PATCH 025/147] deps: upgrade npm to 8.15.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/44013 Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Tobias Nießen Reviewed-By: Filip Skokan Reviewed-By: Luigi Pinca --- deps/npm/docs/content/commands/npm-ci.md | 253 ++++++++++++++++- deps/npm/docs/content/commands/npm-init.md | 2 + .../content/commands/npm-install-ci-test.md | 253 ++++++++++++++++- deps/npm/docs/content/commands/npm-install.md | 2 +- deps/npm/docs/content/commands/npm-ls.md | 4 +- .../content/configuring-npm/package-json.md | 2 +- deps/npm/docs/content/using-npm/workspaces.md | 10 +- deps/npm/docs/output/commands/npm-ci.html | 211 +++++++++++++- deps/npm/docs/output/commands/npm-init.html | 2 + .../output/commands/npm-install-ci-test.html | 211 +++++++++++++- .../npm/docs/output/commands/npm-install.html | 2 +- deps/npm/docs/output/commands/npm-ls.html | 6 +- deps/npm/docs/output/commands/npm.html | 2 +- .../output/configuring-npm/package-json.html | 2 +- .../npm/docs/output/using-npm/workspaces.html | 9 +- deps/npm/lib/commands/ci.js | 9 +- deps/npm/lib/commands/diff.js | 14 +- deps/npm/lib/commands/init.js | 7 +- deps/npm/lib/commands/link.js | 4 +- deps/npm/lib/npm.js | 10 +- deps/npm/lib/utils/log-file.js | 6 +- deps/npm/man/man1/npm-ci.1 | 266 +++++++++++++++++- deps/npm/man/man1/npm-init.1 | 4 + deps/npm/man/man1/npm-install-ci-test.1 | 266 +++++++++++++++++- deps/npm/man/man1/npm-install.1 | 2 +- deps/npm/man/man1/npm-ls.1 | 6 +- deps/npm/man/man1/npm.1 | 2 +- deps/npm/man/man5/package-json.5 | 2 +- deps/npm/man/man7/workspaces.7 | 12 +- .../arborist/lib/arborist/build-ideal-tree.js | 4 +- .../arborist/lib/arborist/load-actual.js | 2 +- .../arborist/lib/arborist/load-virtual.js | 2 +- .../@npmcli/arborist/lib/arborist/reify.js | 2 +- .../arborist/lib/consistent-resolve.js | 4 +- .../node_modules/@npmcli/arborist/lib/link.js | 2 +- .../node_modules/@npmcli/arborist/lib/node.js | 2 +- .../@npmcli/arborist/lib/shrinkwrap.js | 6 +- .../@npmcli/arborist/package.json | 2 +- deps/npm/package.json | 2 +- .../test/lib/commands/link.js.test.cjs | 5 + .../test/lib/load-all-commands.js.test.cjs | 18 +- .../tap-snapshots/test/lib/npm.js.test.cjs | 18 +- deps/npm/test/fixtures/mock-npm.js | 36 +-- deps/npm/test/lib/commands/init.js | 38 +++ deps/npm/test/lib/commands/link.js | 36 +++ deps/npm/test/lib/npm.js | 46 ++- 46 files changed, 1651 insertions(+), 155 deletions(-) diff --git a/deps/npm/docs/content/commands/npm-ci.md b/deps/npm/docs/content/commands/npm-ci.md index 9b8238d05a3b91..30a03365ade814 100644 --- a/deps/npm/docs/content/commands/npm-ci.md +++ b/deps/npm/docs/content/commands/npm-ci.md @@ -84,15 +84,129 @@ cache: -#### `audit` +#### `save` + +* Default: `true` unless when using `npm update` where it defaults to `false` +* Type: Boolean + +Save installed packages to a `package.json` file as dependencies. + +When used with the `npm rm` command, removes the dependency from +`package.json`. + +Will also prevent writing to `package-lock.json` if set to `false`. + + + + +#### `save-exact` + +* Default: false +* Type: Boolean + +Dependencies saved to package.json will be configured with an exact version +rather than using npm's default semver range operator. + + + + +#### `global` + +* Default: false +* Type: Boolean + +Operates in "global" mode, so that packages are installed into the `prefix` +folder instead of the current working directory. See +[folders](/configuring-npm/folders) for more on the differences in behavior. + +* packages are installed into the `{prefix}/lib/node_modules` folder, instead + of the current working directory. +* bin files are linked to `{prefix}/bin` +* man pages are linked to `{prefix}/share/man` + + + + +#### `global-style` + +* Default: false +* Type: Boolean + +Causes npm to install the package into your local `node_modules` folder with +the same layout it uses with the global `node_modules` folder. Only your +direct dependencies will show in `node_modules` and everything they depend +on will be flattened in their `node_modules` folders. This obviously will +eliminate some deduping. If used with `legacy-bundling`, `legacy-bundling` +will be preferred. + + + + +#### `legacy-bundling` + +* Default: false +* Type: Boolean + +Causes npm to install the package such that versions of npm prior to 1.4, +such as the one included with node 0.8, can install the package. This +eliminates all automatic deduping. If used with `global-style` this option +will be preferred. + + + + +#### `omit` + +* Default: 'dev' if the `NODE_ENV` environment variable is set to + 'production', otherwise empty. +* Type: "dev", "optional", or "peer" (can be set multiple times) + +Dependency types to omit from the installation tree on disk. + +Note that these dependencies _are_ still resolved and added to the +`package-lock.json` or `npm-shrinkwrap.json` file. They are just not +physically installed on disk. + +If a package type appears in both the `--include` and `--omit` lists, then +it will be included. + +If the resulting omit list includes `'dev'`, then the `NODE_ENV` environment +variable will be set to `'production'` for all lifecycle scripts. + + + + +#### `strict-peer-deps` + +* Default: false +* Type: Boolean + +If set to `true`, and `--legacy-peer-deps` is not set, then _any_ +conflicting `peerDependencies` will be treated as an install failure, even +if npm could reasonably guess the appropriate resolution based on non-peer +dependency relationships. + +By default, conflicting `peerDependencies` deep in the dependency graph will +be resolved using the nearest non-peer dependency specification, even if +doing so will result in some packages receiving a peer dependency outside +the range set in their package's `peerDependencies` object. + +When such and override is performed, a warning is printed, explaining the +conflict and the packages involved. If `--strict-peer-deps` is set, then +this warning is treated as a failure. + + + + +#### `package-lock` * Default: true * Type: Boolean -When "true" submit audit reports alongside the current npm command to the -default registry and all registries configured for scopes. See the -documentation for [`npm audit`](/commands/npm-audit) for details on what is -submitted. +If set to false, then ignore `package-lock.json` files when installing. This +will also prevent _writing_ `package-lock.json` if `save` is true. + +This configuration does not affect `npm ci`. @@ -127,13 +241,132 @@ will *not* run any pre- or post-scripts. -#### `script-shell` +#### `audit` -* Default: '/bin/sh' on POSIX systems, 'cmd.exe' on Windows -* Type: null or String +* Default: true +* Type: Boolean + +When "true" submit audit reports alongside the current npm command to the +default registry and all registries configured for scopes. See the +documentation for [`npm audit`](/commands/npm-audit) for details on what is +submitted. + + + + +#### `bin-links` + +* Default: true +* Type: Boolean + +Tells npm to create symlinks (or `.cmd` shims on Windows) for package +executables. + +Set to false to have it not do this. This can be used to work around the +fact that some file systems don't support symlinks, even on ostensibly Unix +systems. + + + + +#### `fund` + +* Default: true +* Type: Boolean + +When "true" displays the message at the end of each `npm install` +acknowledging the number of dependencies looking for funding. See [`npm +fund`](/commands/npm-fund) for details. + + + + +#### `dry-run` + +* Default: false +* Type: Boolean + +Indicates that you don't want npm to make any changes and that it should +only report what it would have done. This can be passed into any of the +commands that modify your local installation, eg, `install`, `update`, +`dedupe`, `uninstall`, as well as `pack` and `publish`. + +Note: This is NOT honored by other network related commands, eg `dist-tags`, +`owner`, etc. + + + + +#### `workspace` + +* Default: +* Type: String (can be set multiple times) + +Enable running a command in the context of the configured workspaces of the +current project while filtering by running only the workspaces defined by +this configuration option. + +Valid values for the `workspace` config are either: + +* Workspace names +* Path to a workspace directory +* Path to a parent workspace directory (will result in selecting all + workspaces within that folder) + +When set for the `npm init` command, this may be set to the folder of a +workspace which does not yet exist, to create the folder and set it up as a +brand new workspace within the project. + +This value is not exported to the environment for child processes. + + + + +#### `workspaces` + +* Default: null +* Type: null or Boolean + +Set to true to run the command in the context of **all** configured +workspaces. + +Explicitly setting this to false will cause commands like `install` to +ignore workspaces altogether. When not set explicitly: + +- Commands that operate on the `node_modules` tree (install, update, etc.) +will link workspaces into the `node_modules` folder. - Commands that do +other things (test, exec, publish, etc.) will operate on the root project, +_unless_ one or more workspaces are specified in the `workspace` config. + +This value is not exported to the environment for child processes. + + + + +#### `include-workspace-root` + +* Default: false +* Type: Boolean + +Include the workspace root when workspaces are enabled for a command. + +When false, specifying individual workspaces via the `workspace` config, or +all workspaces via the `workspaces` flag, will cause npm to operate only on +the specified workspaces, and not on the root project. + +This value is not exported to the environment for child processes. + + + + +#### `install-links` + +* Default: false +* Type: Boolean -The shell to use for scripts run with the `npm exec`, `npm run` and `npm -init ` commands. +When set file: protocol dependencies that exist outside of the project root +will be packed and installed as regular dependencies instead of creating a +symlink. This option has no effect on workspaces. diff --git a/deps/npm/docs/content/commands/npm-init.md b/deps/npm/docs/content/commands/npm-init.md index cd0be4643e0ead..f3124a7768dfce 100644 --- a/deps/npm/docs/content/commands/npm-init.md +++ b/deps/npm/docs/content/commands/npm-init.md @@ -38,6 +38,8 @@ follows: * `npm init foo` -> `npm exec create-foo` * `npm init @usr/foo` -> `npm exec @usr/create-foo` * `npm init @usr` -> `npm exec @usr/create` +* `npm init @usr@2.0.0` -> `npm exec @usr/create@2.0.0` +* `npm init @usr/foo@2.0.0` -> `npm exec @usr/create-foo@2.0.0` If the initializer is omitted (by just calling `npm init`), init will fall back to legacy init behavior. It will ask you a bunch of questions, and diff --git a/deps/npm/docs/content/commands/npm-install-ci-test.md b/deps/npm/docs/content/commands/npm-install-ci-test.md index 74ed4667e81bfe..b886f8ab9599ad 100644 --- a/deps/npm/docs/content/commands/npm-install-ci-test.md +++ b/deps/npm/docs/content/commands/npm-install-ci-test.md @@ -30,15 +30,129 @@ This command runs `npm ci` followed immediately by `npm test`. -#### `audit` +#### `save` + +* Default: `true` unless when using `npm update` where it defaults to `false` +* Type: Boolean + +Save installed packages to a `package.json` file as dependencies. + +When used with the `npm rm` command, removes the dependency from +`package.json`. + +Will also prevent writing to `package-lock.json` if set to `false`. + + + + +#### `save-exact` + +* Default: false +* Type: Boolean + +Dependencies saved to package.json will be configured with an exact version +rather than using npm's default semver range operator. + + + + +#### `global` + +* Default: false +* Type: Boolean + +Operates in "global" mode, so that packages are installed into the `prefix` +folder instead of the current working directory. See +[folders](/configuring-npm/folders) for more on the differences in behavior. + +* packages are installed into the `{prefix}/lib/node_modules` folder, instead + of the current working directory. +* bin files are linked to `{prefix}/bin` +* man pages are linked to `{prefix}/share/man` + + + + +#### `global-style` + +* Default: false +* Type: Boolean + +Causes npm to install the package into your local `node_modules` folder with +the same layout it uses with the global `node_modules` folder. Only your +direct dependencies will show in `node_modules` and everything they depend +on will be flattened in their `node_modules` folders. This obviously will +eliminate some deduping. If used with `legacy-bundling`, `legacy-bundling` +will be preferred. + + + + +#### `legacy-bundling` + +* Default: false +* Type: Boolean + +Causes npm to install the package such that versions of npm prior to 1.4, +such as the one included with node 0.8, can install the package. This +eliminates all automatic deduping. If used with `global-style` this option +will be preferred. + + + + +#### `omit` + +* Default: 'dev' if the `NODE_ENV` environment variable is set to + 'production', otherwise empty. +* Type: "dev", "optional", or "peer" (can be set multiple times) + +Dependency types to omit from the installation tree on disk. + +Note that these dependencies _are_ still resolved and added to the +`package-lock.json` or `npm-shrinkwrap.json` file. They are just not +physically installed on disk. + +If a package type appears in both the `--include` and `--omit` lists, then +it will be included. + +If the resulting omit list includes `'dev'`, then the `NODE_ENV` environment +variable will be set to `'production'` for all lifecycle scripts. + + + + +#### `strict-peer-deps` + +* Default: false +* Type: Boolean + +If set to `true`, and `--legacy-peer-deps` is not set, then _any_ +conflicting `peerDependencies` will be treated as an install failure, even +if npm could reasonably guess the appropriate resolution based on non-peer +dependency relationships. + +By default, conflicting `peerDependencies` deep in the dependency graph will +be resolved using the nearest non-peer dependency specification, even if +doing so will result in some packages receiving a peer dependency outside +the range set in their package's `peerDependencies` object. + +When such and override is performed, a warning is printed, explaining the +conflict and the packages involved. If `--strict-peer-deps` is set, then +this warning is treated as a failure. + + + + +#### `package-lock` * Default: true * Type: Boolean -When "true" submit audit reports alongside the current npm command to the -default registry and all registries configured for scopes. See the -documentation for [`npm audit`](/commands/npm-audit) for details on what is -submitted. +If set to false, then ignore `package-lock.json` files when installing. This +will also prevent _writing_ `package-lock.json` if `save` is true. + +This configuration does not affect `npm ci`. @@ -73,13 +187,132 @@ will *not* run any pre- or post-scripts. -#### `script-shell` +#### `audit` -* Default: '/bin/sh' on POSIX systems, 'cmd.exe' on Windows -* Type: null or String +* Default: true +* Type: Boolean + +When "true" submit audit reports alongside the current npm command to the +default registry and all registries configured for scopes. See the +documentation for [`npm audit`](/commands/npm-audit) for details on what is +submitted. + + + + +#### `bin-links` + +* Default: true +* Type: Boolean + +Tells npm to create symlinks (or `.cmd` shims on Windows) for package +executables. + +Set to false to have it not do this. This can be used to work around the +fact that some file systems don't support symlinks, even on ostensibly Unix +systems. + + + + +#### `fund` + +* Default: true +* Type: Boolean + +When "true" displays the message at the end of each `npm install` +acknowledging the number of dependencies looking for funding. See [`npm +fund`](/commands/npm-fund) for details. + + + + +#### `dry-run` + +* Default: false +* Type: Boolean + +Indicates that you don't want npm to make any changes and that it should +only report what it would have done. This can be passed into any of the +commands that modify your local installation, eg, `install`, `update`, +`dedupe`, `uninstall`, as well as `pack` and `publish`. + +Note: This is NOT honored by other network related commands, eg `dist-tags`, +`owner`, etc. + + + + +#### `workspace` + +* Default: +* Type: String (can be set multiple times) + +Enable running a command in the context of the configured workspaces of the +current project while filtering by running only the workspaces defined by +this configuration option. + +Valid values for the `workspace` config are either: + +* Workspace names +* Path to a workspace directory +* Path to a parent workspace directory (will result in selecting all + workspaces within that folder) + +When set for the `npm init` command, this may be set to the folder of a +workspace which does not yet exist, to create the folder and set it up as a +brand new workspace within the project. + +This value is not exported to the environment for child processes. + + + + +#### `workspaces` + +* Default: null +* Type: null or Boolean + +Set to true to run the command in the context of **all** configured +workspaces. + +Explicitly setting this to false will cause commands like `install` to +ignore workspaces altogether. When not set explicitly: + +- Commands that operate on the `node_modules` tree (install, update, etc.) +will link workspaces into the `node_modules` folder. - Commands that do +other things (test, exec, publish, etc.) will operate on the root project, +_unless_ one or more workspaces are specified in the `workspace` config. + +This value is not exported to the environment for child processes. + + + + +#### `include-workspace-root` + +* Default: false +* Type: Boolean + +Include the workspace root when workspaces are enabled for a command. + +When false, specifying individual workspaces via the `workspace` config, or +all workspaces via the `workspaces` flag, will cause npm to operate only on +the specified workspaces, and not on the root project. + +This value is not exported to the environment for child processes. + + + + +#### `install-links` + +* Default: false +* Type: Boolean -The shell to use for scripts run with the `npm exec`, `npm run` and `npm -init ` commands. +When set file: protocol dependencies that exist outside of the project root +will be packed and installed as regular dependencies instead of creating a +symlink. This option has no effect on workspaces. diff --git a/deps/npm/docs/content/commands/npm-install.md b/deps/npm/docs/content/commands/npm-install.md index 7e5544f85e3dda..35e0df22777336 100644 --- a/deps/npm/docs/content/commands/npm-install.md +++ b/deps/npm/docs/content/commands/npm-install.md @@ -311,7 +311,7 @@ into a tarball (b). can be any valid semver range or exact version, and npm will look for any tags or refs matching that range in the remote repository, much as it would for a registry dependency. If neither `#` or - `#semver:` is specified, then `master` is used. + `#semver:` is specified, then the default branch is used. As with regular git dependencies, `dependencies` and `devDependencies` will be installed if the package has a `prepare` script before the diff --git a/deps/npm/docs/content/commands/npm-ls.md b/deps/npm/docs/content/commands/npm-ls.md index a97c5168e6e0b4..a7936fafc72a2c 100644 --- a/deps/npm/docs/content/commands/npm-ls.md +++ b/deps/npm/docs/content/commands/npm-ls.md @@ -44,7 +44,7 @@ npm@@VERSION@ /path/to/npm It will print out extraneous, missing, and invalid packages. If a project specifies git urls for dependencies these are shown -in parentheses after the name@version to make it easier for users to +in parentheses after the `name@version` to make it easier for users to recognize potential forks of a project. The tree shown is the logical dependency tree, based on package @@ -62,7 +62,7 @@ disk would be roughly identical. With the advent of automatic install-time deduplication of dependencies in npm v3, the `ls` output was modified to display the logical dependency graph as a tree structure, since this was more useful to most users. -However, without using `npm ls -l`, it became impossible show _where_ a +However, without using `npm ls -l`, it became impossible to show _where_ a package was actually installed much of the time! With the advent of automatic installation of `peerDependencies` in npm v7, diff --git a/deps/npm/docs/content/configuring-npm/package-json.md b/deps/npm/docs/content/configuring-npm/package-json.md index f0315d60efef48..b0231662f69309 100644 --- a/deps/npm/docs/content/configuring-npm/package-json.md +++ b/deps/npm/docs/content/configuring-npm/package-json.md @@ -632,7 +632,7 @@ commit. If the commit-ish has the format `#semver:`, `` can be any valid semver range or exact version, and npm will look for any tags or refs matching that range in the remote repository, much as it would for a registry dependency. If neither `#` or `#semver:` is -specified, then `master` is used. +specified, then the default branch is used. Examples: diff --git a/deps/npm/docs/content/using-npm/workspaces.md b/deps/npm/docs/content/using-npm/workspaces.md index 82491cd74af823..5b68ef8ce9d3d9 100644 --- a/deps/npm/docs/content/using-npm/workspaces.md +++ b/deps/npm/docs/content/using-npm/workspaces.md @@ -137,6 +137,8 @@ nested workspaces to be consumed elsewhere. You can use the `workspace` configuration option to run commands in the context of a configured workspace. +Additionally, if your current directory is in a workspace, the `workspace` +configuration is implicitly set, and `prefix` is set to the root workspace. Following is a quick example on how to use the `npm run` command in the context of nested workspaces. For a project containing multiple workspaces, e.g: @@ -158,7 +160,13 @@ given command in the context of that specific workspace. e.g: npm run test --workspace=a ``` -This will run the `test` script defined within the +You could also run the command within the workspace. + +``` +cd packages/a && npm run test +``` + +Either will run the `test` script defined within the `./packages/a/package.json` file. Please note that you can also specify this argument multiple times in the diff --git a/deps/npm/docs/output/commands/npm-ci.html b/deps/npm/docs/output/commands/npm-ci.html index abc8ce6deb0e31..51efa6ea98bc07 100644 --- a/deps/npm/docs/output/commands/npm-ci.html +++ b/deps/npm/docs/output/commands/npm-ci.html @@ -142,7 +142,7 @@

npm-ci

Table of contents

-
+

Synopsis

@@ -205,15 +205,108 @@

Configuration

-

audit

+

save

+
    +
  • Default: true unless when using npm update where it defaults to false
    • +
  • Type: Boolean
    • +
+

Save installed packages to a package.json file as dependencies.

+

When used with the npm rm command, removes the dependency from +package.json.

+

Will also prevent writing to package-lock.json if set to false.

+ + +

save-exact

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

Dependencies saved to package.json will be configured with an exact version +rather than using npm's default semver range operator.

+ + +

global

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

Operates in "global" mode, so that packages are installed into the prefix +folder instead of the current working directory. See +folders for more on the differences in behavior.

+
    +
  • packages are installed into the {prefix}/lib/node_modules folder, instead +of the current working directory.
    • +
  • bin files are linked to {prefix}/bin
    • +
  • man pages are linked to {prefix}/share/man
    • +
+ + +

global-style

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

Causes npm to install the package into your local node_modules folder with +the same layout it uses with the global node_modules folder. Only your +direct dependencies will show in node_modules and everything they depend +on will be flattened in their node_modules folders. This obviously will +eliminate some deduping. If used with legacy-bundling, legacy-bundling +will be preferred.

+ + +

legacy-bundling

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

Causes npm to install the package such that versions of npm prior to 1.4, +such as the one included with node 0.8, can install the package. This +eliminates all automatic deduping. If used with global-style this option +will be preferred.

+ + +

omit

+
    +
  • Default: 'dev' if the NODE_ENV environment variable is set to +'production', otherwise empty.
    • +
  • Type: "dev", "optional", or "peer" (can be set multiple times)
    • +
+

Dependency types to omit from the installation tree on disk.

+

Note that these dependencies are still resolved and added to the +package-lock.json or npm-shrinkwrap.json file. They are just not +physically installed on disk.

+

If a package type appears in both the --include and --omit lists, then +it will be included.

+

If the resulting omit list includes 'dev', then the NODE_ENV environment +variable will be set to 'production' for all lifecycle scripts.

+ + +

strict-peer-deps

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

If set to true, and --legacy-peer-deps is not set, then any +conflicting peerDependencies will be treated as an install failure, even +if npm could reasonably guess the appropriate resolution based on non-peer +dependency relationships.

+

By default, conflicting peerDependencies deep in the dependency graph will +be resolved using the nearest non-peer dependency specification, even if +doing so will result in some packages receiving a peer dependency outside +the range set in their package's peerDependencies object.

+

When such and override is performed, a warning is printed, explaining the +conflict and the packages involved. If --strict-peer-deps is set, then +this warning is treated as a failure.

+ + +

package-lock

  • Default: true
  • Type: Boolean
-

When "true" submit audit reports alongside the current npm command to the -default registry and all registries configured for scopes. See the -documentation for npm audit for details on what is -submitted.

+

If set to false, then ignore package-lock.json files when installing. This +will also prevent writing package-lock.json if save is true.

+

This configuration does not affect npm ci.

foreground-scripts

@@ -240,12 +333,110 @@

ignore-scripts

will not run any pre- or post-scripts.

-

script-shell

+

audit

    -
  • Default: '/bin/sh' on POSIX systems, 'cmd.exe' on Windows
    • -
  • Type: null or String
    • +
  • Default: true
    • +
  • Type: Boolean
    • +
+

When "true" submit audit reports alongside the current npm command to the +default registry and all registries configured for scopes. See the +documentation for npm audit for details on what is +submitted.

+ + + +
    +
  • Default: true
    • +
  • Type: Boolean
    • +
+

Tells npm to create symlinks (or .cmd shims on Windows) for package +executables.

+

Set to false to have it not do this. This can be used to work around the +fact that some file systems don't support symlinks, even on ostensibly Unix +systems.

+ + +

fund

+
    +
  • Default: true
    • +
  • Type: Boolean
    • +
+

When "true" displays the message at the end of each npm install +acknowledging the number of dependencies looking for funding. See npm fund for details.

+ + +

dry-run

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

Indicates that you don't want npm to make any changes and that it should +only report what it would have done. This can be passed into any of the +commands that modify your local installation, eg, install, update, +dedupe, uninstall, as well as pack and publish.

+

Note: This is NOT honored by other network related commands, eg dist-tags, +owner, etc.

+ + +

workspace

+
    +
  • Default:
    • +
  • Type: String (can be set multiple times)
    • +
+

Enable running a command in the context of the configured workspaces of the +current project while filtering by running only the workspaces defined by +this configuration option.

+

Valid values for the workspace config are either:

+
    +
  • Workspace names
    • +
  • Path to a workspace directory
    • +
  • Path to a parent workspace directory (will result in selecting all +workspaces within that folder)
    • +
+

When set for the npm init command, this may be set to the folder of a +workspace which does not yet exist, to create the folder and set it up as a +brand new workspace within the project.

+

This value is not exported to the environment for child processes.

+ + +

workspaces

+
    +
  • Default: null
    • +
  • Type: null or Boolean
    • +
+

Set to true to run the command in the context of all configured +workspaces.

+

Explicitly setting this to false will cause commands like install to +ignore workspaces altogether. When not set explicitly:

+
    +
  • Commands that operate on the node_modules tree (install, update, etc.) +will link workspaces into the node_modules folder. - Commands that do +other things (test, exec, publish, etc.) will operate on the root project, +unless one or more workspaces are specified in the workspace config.
    • +
+

This value is not exported to the environment for child processes.

+ + +

include-workspace-root

+
    +
  • Default: false
    • +
  • Type: Boolean
    • +
+

Include the workspace root when workspaces are enabled for a command.

+

When false, specifying individual workspaces via the workspace config, or +all workspaces via the workspaces flag, will cause npm to operate only on +the specified workspaces, and not on the root project.

+

This value is not exported to the environment for child processes.

+ + + +
    +
  • Default: false
    • +
  • Type: Boolean
-

The shell to use for scripts run with the npm exec, npm run and npm init <package-spec> commands.

+

When set file: protocol dependencies that exist outside of the project root +will be packed and installed as regular dependencies instead of creating a +symlink. This option has no effect on workspaces.

diff --git a/deps/npm/docs/output/commands/npm-init.html b/deps/npm/docs/output/commands/npm-init.html index c7c00b3531becf..3897be30c76a9f 100644 --- a/deps/npm/docs/output/commands/npm-init.html +++ b/deps/npm/docs/output/commands/npm-init.html @@ -170,6 +170,8 @@

Description

  • npm init foo -> npm exec create-foo
  • npm init @usr/foo -> npm exec @usr/create-foo
  • npm init @usr -> npm exec @usr/create
    • +
  • npm init @usr@2.0.0 -> npm exec @usr/create@2.0.0
    • +
  • npm init @usr/foo@2.0.0 -> npm exec @usr/create-foo@2.0.0

    • If the initializer is omitted (by just calling npm init), init will fall back to legacy init behavior. It will ask you a bunch of questions, and diff --git a/deps/npm/docs/output/commands/npm-install-ci-test.html b/deps/npm/docs/output/commands/npm-install-ci-test.html index 8d3d9541421fe0..f7d6e04649c48b 100644 --- a/deps/npm/docs/output/commands/npm-install-ci-test.html +++ b/deps/npm/docs/output/commands/npm-install-ci-test.html @@ -142,7 +142,7 @@

    npm-install-ci-test

    Table of contents

    -
    +

    Synopsis

    @@ -162,15 +162,108 @@

    Configuration

    -

    audit

    +

    save

    +
      +
    • Default: true unless when using npm update where it defaults to false
      • +
    • Type: Boolean
      • +
    +

    Save installed packages to a package.json file as dependencies.

    +

    When used with the npm rm command, removes the dependency from +package.json.

    +

    Will also prevent writing to package-lock.json if set to false.

    + + +

    save-exact

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    Dependencies saved to package.json will be configured with an exact version +rather than using npm's default semver range operator.

    + + +

    global

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    Operates in "global" mode, so that packages are installed into the prefix +folder instead of the current working directory. See +folders for more on the differences in behavior.

    +
      +
    • packages are installed into the {prefix}/lib/node_modules folder, instead +of the current working directory.
      • +
    • bin files are linked to {prefix}/bin
      • +
    • man pages are linked to {prefix}/share/man
      • +
    + + +

    global-style

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    Causes npm to install the package into your local node_modules folder with +the same layout it uses with the global node_modules folder. Only your +direct dependencies will show in node_modules and everything they depend +on will be flattened in their node_modules folders. This obviously will +eliminate some deduping. If used with legacy-bundling, legacy-bundling +will be preferred.

    + + +

    legacy-bundling

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    Causes npm to install the package such that versions of npm prior to 1.4, +such as the one included with node 0.8, can install the package. This +eliminates all automatic deduping. If used with global-style this option +will be preferred.

    + + +

    omit

    +
      +
    • Default: 'dev' if the NODE_ENV environment variable is set to +'production', otherwise empty.
      • +
    • Type: "dev", "optional", or "peer" (can be set multiple times)
      • +
    +

    Dependency types to omit from the installation tree on disk.

    +

    Note that these dependencies are still resolved and added to the +package-lock.json or npm-shrinkwrap.json file. They are just not +physically installed on disk.

    +

    If a package type appears in both the --include and --omit lists, then +it will be included.

    +

    If the resulting omit list includes 'dev', then the NODE_ENV environment +variable will be set to 'production' for all lifecycle scripts.

    + + +

    strict-peer-deps

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    If set to true, and --legacy-peer-deps is not set, then any +conflicting peerDependencies will be treated as an install failure, even +if npm could reasonably guess the appropriate resolution based on non-peer +dependency relationships.

    +

    By default, conflicting peerDependencies deep in the dependency graph will +be resolved using the nearest non-peer dependency specification, even if +doing so will result in some packages receiving a peer dependency outside +the range set in their package's peerDependencies object.

    +

    When such and override is performed, a warning is printed, explaining the +conflict and the packages involved. If --strict-peer-deps is set, then +this warning is treated as a failure.

    + + +

    package-lock

    • Default: true
    • Type: Boolean
    -

    When "true" submit audit reports alongside the current npm command to the -default registry and all registries configured for scopes. See the -documentation for npm audit for details on what is -submitted.

    +

    If set to false, then ignore package-lock.json files when installing. This +will also prevent writing package-lock.json if save is true.

    +

    This configuration does not affect npm ci.

    foreground-scripts

    @@ -197,12 +290,110 @@

    ignore-scripts

    will not run any pre- or post-scripts.

    -

    script-shell

    +

    audit

      -
    • Default: '/bin/sh' on POSIX systems, 'cmd.exe' on Windows
      • -
    • Type: null or String
      • +
    • Default: true
      • +
    • Type: Boolean
      • +
    +

    When "true" submit audit reports alongside the current npm command to the +default registry and all registries configured for scopes. See the +documentation for npm audit for details on what is +submitted.

    + + + +
      +
    • Default: true
      • +
    • Type: Boolean
      • +
    +

    Tells npm to create symlinks (or .cmd shims on Windows) for package +executables.

    +

    Set to false to have it not do this. This can be used to work around the +fact that some file systems don't support symlinks, even on ostensibly Unix +systems.

    + + +

    fund

    +
      +
    • Default: true
      • +
    • Type: Boolean
      • +
    +

    When "true" displays the message at the end of each npm install +acknowledging the number of dependencies looking for funding. See npm fund for details.

    + + +

    dry-run

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    Indicates that you don't want npm to make any changes and that it should +only report what it would have done. This can be passed into any of the +commands that modify your local installation, eg, install, update, +dedupe, uninstall, as well as pack and publish.

    +

    Note: This is NOT honored by other network related commands, eg dist-tags, +owner, etc.

    + + +

    workspace

    +
      +
    • Default:
      • +
    • Type: String (can be set multiple times)
      • +
    +

    Enable running a command in the context of the configured workspaces of the +current project while filtering by running only the workspaces defined by +this configuration option.

    +

    Valid values for the workspace config are either:

    +
      +
    • Workspace names
      • +
    • Path to a workspace directory
      • +
    • Path to a parent workspace directory (will result in selecting all +workspaces within that folder)
      • +
    +

    When set for the npm init command, this may be set to the folder of a +workspace which does not yet exist, to create the folder and set it up as a +brand new workspace within the project.

    +

    This value is not exported to the environment for child processes.

    + + +

    workspaces

    +
      +
    • Default: null
      • +
    • Type: null or Boolean
      • +
    +

    Set to true to run the command in the context of all configured +workspaces.

    +

    Explicitly setting this to false will cause commands like install to +ignore workspaces altogether. When not set explicitly:

    +
      +
    • Commands that operate on the node_modules tree (install, update, etc.) +will link workspaces into the node_modules folder. - Commands that do +other things (test, exec, publish, etc.) will operate on the root project, +unless one or more workspaces are specified in the workspace config.
      • +
    +

    This value is not exported to the environment for child processes.

    + + +

    include-workspace-root

    +
      +
    • Default: false
      • +
    • Type: Boolean
      • +
    +

    Include the workspace root when workspaces are enabled for a command.

    +

    When false, specifying individual workspaces via the workspace config, or +all workspaces via the workspaces flag, will cause npm to operate only on +the specified workspaces, and not on the root project.

    +

    This value is not exported to the environment for child processes.

    + + + +
      +
    • Default: false
      • +
    • Type: Boolean
    -

    The shell to use for scripts run with the npm exec, npm run and npm init <package-spec> commands.

    +

    When set file: protocol dependencies that exist outside of the project root +will be packed and installed as regular dependencies instead of creating a +symlink. This option has no effect on workspaces.

    diff --git a/deps/npm/docs/output/commands/npm-install.html b/deps/npm/docs/output/commands/npm-install.html index 48f62f9e4822c7..7702ab5c167750 100644 --- a/deps/npm/docs/output/commands/npm-install.html +++ b/deps/npm/docs/output/commands/npm-install.html @@ -408,7 +408,7 @@

    Description

    can be any valid semver range or exact version, and npm will look for any tags or refs matching that range in the remote repository, much as it would for a registry dependency. If neither #<commit-ish> or -#semver:<semver> is specified, then master is used.

    +#semver:<semver> is specified, then the default branch is used.

    As with regular git dependencies, dependencies and devDependencies will be installed if the package has a prepare script before the package is done installing.

    diff --git a/deps/npm/docs/output/commands/npm-ls.html b/deps/npm/docs/output/commands/npm-ls.html index 47b3bbc085e164..ce8eda1b71176d 100644 --- a/deps/npm/docs/output/commands/npm-ls.html +++ b/deps/npm/docs/output/commands/npm-ls.html @@ -166,13 +166,13 @@

    Description

    the results to only the paths to the packages named. Note that nested packages will also show the paths to the specified packages. For example, running npm ls promzard in npm's source tree will show:

    -
    npm@8.15.0 /path/to/npm
+
    npm@8.15.1 /path/to/npm
 └─┬ init-package-json@0.0.4
   └── promzard@0.1.5
 
    
 
    It will print out extraneous, missing, and invalid packages.
    
 
    If a project specifies git urls for dependencies these are shown
-in parentheses after the name@version to make it easier for users to
+in parentheses after the name@version to make it easier for users to
 recognize potential forks of a project.
    
 
    The tree shown is the logical dependency tree, based on package
 dependencies, not the physical layout of your node_modules folder.
    
@@ -185,7 +185,7 @@ 
    Note: Design Changes Pending
    
 
    With the advent of automatic install-time deduplication of dependencies in
 npm v3, the ls output was modified to display the logical dependency
 graph as a tree structure, since this was more useful to most users.
-However, without using npm ls -l, it became impossible show where a
+However, without using npm ls -l, it became impossible to show where a
 package was actually installed much of the time!
    
 
    With the advent of automatic installation of peerDependencies in npm v7,
 this gets even more curious, as peerDependencies are logically
diff --git a/deps/npm/docs/output/commands/npm.html b/deps/npm/docs/output/commands/npm.html
index 514017fd875943..b254b72c370861 100644
--- a/deps/npm/docs/output/commands/npm.html
+++ b/deps/npm/docs/output/commands/npm.html
@@ -149,7 +149,7 @@ 
    Table of contents
    
 
 
 
    Version
    
-
    8.15.0
    
+
    8.15.1
    
 
    Description
    
 
    npm is the package manager for the Node JavaScript platform.  It puts
 modules in place so that node can find them, and manages dependency
diff --git a/deps/npm/docs/output/configuring-npm/package-json.html b/deps/npm/docs/output/configuring-npm/package-json.html
index 354069b1a2c738..2b1240ebee9124 100644
--- a/deps/npm/docs/output/configuring-npm/package-json.html
+++ b/deps/npm/docs/output/configuring-npm/package-json.html
@@ -622,7 +622,7 @@ 
    Git URLs as Dependencies
    
 be any valid semver range or exact version, and npm will look for any tags
 or refs matching that range in the remote repository, much as it would for
 a registry dependency. If neither #<commit-ish> or #semver:<semver> is
-specified, then master is used.
    
+specified, then the default branch is used.
    
 
    Examples:
    
 
    git+ssh://git@github.com:npm/cli.git#v1.0.27
 git+ssh://git@github.com:npm/cli#semver:^5.0
diff --git a/deps/npm/docs/output/using-npm/workspaces.html b/deps/npm/docs/output/using-npm/workspaces.html
index 06928563acc1fd..2a3dd880c2c697 100644
--- a/deps/npm/docs/output/using-npm/workspaces.html
+++ b/deps/npm/docs/output/using-npm/workspaces.html
@@ -240,7 +240,9 @@ 
    Using workspaces
    
 nested workspaces to be consumed elsewhere.
    
 
    Running commands in the context of workspaces
    
 
    You can use the workspace configuration option to run commands in the context
-of a configured workspace.
    
+of a configured workspace.
+Additionally, if your current directory is in a workspace, the workspace
+configuration is implicitly set, and prefix is set to the root workspace.
    
 
    Following is a quick example on how to use the npm run command in the context
 of nested workspaces. For a project containing multiple workspaces, e.g:
    
 
    .
@@ -255,7 +257,10 @@ 
    Running commands in the c
 given command in the context of that specific workspace. e.g:
    
 
    npm run test --workspace=a
 
    
-
    This will run the test script defined within the
+
    You could also run the command within the workspace.
    
+
    cd packages/a && npm run test
+
    
+
    Either will run the test script defined within the
 ./packages/a/package.json file.
    
 
    Please note that you can also specify this argument multiple times in the
 command-line in order to target multiple workspaces, e.g:
    
diff --git a/deps/npm/lib/commands/ci.js b/deps/npm/lib/commands/ci.js
index 2a6125d564e912..0adf203a9856e6 100644
--- a/deps/npm/lib/commands/ci.js
+++ b/deps/npm/lib/commands/ci.js
@@ -9,16 +9,13 @@ const log = require('../utils/log-shim.js')
 const validateLockfile = require('../utils/validate-lockfile.js')
 
 const ArboristWorkspaceCmd = require('../arborist-cmd.js')
+const Install = require('./install.js')
 
 class CI extends ArboristWorkspaceCmd {
   static description = 'Clean install a project'
   static name = 'ci'
-  static params = [
-    'audit',
-    'foreground-scripts',
-    'ignore-scripts',
-    'script-shell',
-  ]
+
+  static params = Install.params
 
   async exec () {
     if (this.npm.global) {
diff --git a/deps/npm/lib/commands/diff.js b/deps/npm/lib/commands/diff.js
index b8a64bd98a0394..bbd6fae6680ca9 100644
--- a/deps/npm/lib/commands/diff.js
+++ b/deps/npm/lib/commands/diff.js
@@ -106,7 +106,7 @@ class Diff extends BaseCommand {
       const pkgName = await this.packageName(this.prefix)
       return [
         `${pkgName}@${this.npm.config.get('tag')}`,
-        `file:${this.prefix}`,
+        `file:${this.prefix.replace(/#/g, '%23')}`,
       ]
     }
 
@@ -134,7 +134,7 @@ class Diff extends BaseCommand {
       }
       return [
         `${pkgName}@${a}`,
-        `file:${this.prefix}`,
+        `file:${this.prefix.replace(/#/g, '%23')}`,
       ]
     }
 
@@ -165,7 +165,7 @@ class Diff extends BaseCommand {
         }
         return [
           `${spec.name}@${spec.fetchSpec}`,
-          `file:${this.prefix}`,
+          `file:${this.prefix.replace(/#/g, '%23')}`,
         ]
       }
 
@@ -178,7 +178,7 @@ class Diff extends BaseCommand {
         }
       }
 
-      const aSpec = `file:${node.realpath}`
+      const aSpec = `file:${node.realpath.replace(/#/g, '%23')}`
 
       // finds what version of the package to compare against, if a exact
       // version or tag was passed than it should use that, otherwise
@@ -211,8 +211,8 @@ class Diff extends BaseCommand {
       ]
     } else if (spec.type === 'directory') {
       return [
-        `file:${spec.fetchSpec}`,
-        `file:${this.prefix}`,
+        `file:${spec.fetchSpec.replace(/#/g, '%23')}`,
+        `file:${this.prefix.replace(/#/g, '%23')}`,
       ]
     } else {
       throw this.usageError(`Spec type ${spec.type} not supported.`)
@@ -279,7 +279,7 @@ class Diff extends BaseCommand {
 
       const res = !node || !node.package || !node.package.version
         ? spec.fetchSpec
-        : `file:${node.realpath}`
+        : `file:${node.realpath.replace(/#/g, '%23')}`
 
       return `${spec.name}@${res}`
     })
diff --git a/deps/npm/lib/commands/init.js b/deps/npm/lib/commands/init.js
index b8b6bd5d53e088..cff8340dcd7074 100644
--- a/deps/npm/lib/commands/init.js
+++ b/deps/npm/lib/commands/init.js
@@ -85,8 +85,13 @@ class Init extends BaseCommand {
     const [initerName, ...otherArgs] = args
     let packageName = initerName
 
+    // Only a scope, possibly with a version
     if (/^@[^/]+$/.test(initerName)) {
-      packageName = initerName + '/create'
+      const [, scope, version] = initerName.split('@')
+      packageName = `@${scope}/create`
+      if (version) {
+        packageName = `${packageName}@${version}`
+      }
     } else {
       const req = npa(initerName)
       if (req.type === 'git' && req.hosted) {
diff --git a/deps/npm/lib/commands/link.js b/deps/npm/lib/commands/link.js
index b0b889ea787fd5..7bce73ed2bb6f5 100644
--- a/deps/npm/lib/commands/link.js
+++ b/deps/npm/lib/commands/link.js
@@ -122,7 +122,7 @@ class Link extends ArboristWorkspaceCmd {
       ...this.npm.flatOptions,
       prune: false,
       path: this.npm.prefix,
-      add: names.map(l => `file:${resolve(globalTop, 'node_modules', l)}`),
+      add: names.map(l => `file:${resolve(globalTop, 'node_modules', l).replace(/#/g, '%23')}`),
       save,
       workspaces: this.workspaceNames,
     })
@@ -133,7 +133,7 @@ class Link extends ArboristWorkspaceCmd {
   async linkPkg () {
     const wsp = this.workspacePaths
     const paths = wsp && wsp.length ? wsp : [this.npm.prefix]
-    const add = paths.map(path => `file:${path}`)
+    const add = paths.map(path => `file:${path.replace(/#/g, '%23')}`)
     const globalTop = resolve(this.npm.globalDir, '..')
     const arb = new Arborist({
       ...this.npm.flatOptions,
diff --git a/deps/npm/lib/npm.js b/deps/npm/lib/npm.js
index 2197f11a52c4a9..66111cab89a844 100644
--- a/deps/npm/lib/npm.js
+++ b/deps/npm/lib/npm.js
@@ -241,16 +241,18 @@ class Npm extends EventEmitter {
     await this.time('npm:load:configload', () => this.config.load())
 
     // mkdir this separately since the logs dir can be set to
-    // a different location. an error here should be surfaced
-    // right away since it will error in cacache later
+    // a different location. if this fails, then we don't have
+    // a cache dir, but we don't want to fail immediately since
+    // the command might not need a cache dir (like `npm --version`)
     await this.time('npm:load:mkdirpcache', () =>
-      fs.mkdir(this.cache, { recursive: true, owner: 'inherit' }))
+      fs.mkdir(this.cache, { recursive: true, owner: 'inherit' })
+        .catch((e) => log.verbose('cache', `could not create cache: ${e}`)))
 
     // its ok if this fails. user might have specified an invalid dir
     // which we will tell them about at the end
     await this.time('npm:load:mkdirplogs', () =>
       fs.mkdir(this.logsDir, { recursive: true, owner: 'inherit' })
-        .catch((e) => log.warn('logfile', `could not create logs-dir: ${e}`)))
+        .catch((e) => log.verbose('logfile', `could not create logs-dir: ${e}`)))
 
     // note: this MUST be shorter than the actual argv length, because it
     // uses the same memory, so node will truncate it if it's too long.
diff --git a/deps/npm/lib/utils/log-file.js b/deps/npm/lib/utils/log-file.js
index 9cf6513bedf484..d62329c8551e21 100644
--- a/deps/npm/lib/utils/log-file.js
+++ b/deps/npm/lib/utils/log-file.js
@@ -204,7 +204,9 @@ class LogFiles {
       this.#files.push(logStream.path)
       return logStream
     } catch (e) {
-      log.warn('logfile', `could not be created: ${e}`)
+      // If the user has a readonly logdir then we don't want to
+      // warn this on every command so it should be verbose
+      log.verbose('logfile', `could not be created: ${e}`)
     }
   }
 
@@ -226,7 +228,7 @@ class LogFiles {
       )
 
       // Always ignore the currently written files
-      const files = await glob(globify(logGlob), { ignore: this.#files.map(globify) })
+      const files = await glob(globify(logGlob), { ignore: this.#files.map(globify), silent: true })
       const toDelete = files.length - this.#logsMax
 
       if (toDelete <= 0) {
diff --git a/deps/npm/man/man1/npm-ci.1 b/deps/npm/man/man1/npm-ci.1
index 316da3a61189ce..6a83ab881caec5 100644
--- a/deps/npm/man/man1/npm-ci.1
+++ b/deps/npm/man/man1/npm-ci.1
@@ -80,7 +80,126 @@ cache:
 .fi
 .RE
 .SS Configuration
-.SS \fBaudit\fP
+.SS \fBsave\fP
+.RS 0
+.IP \(bu 2
+Default: \fBtrue\fP unless when using \fBnpm update\fP where it defaults to \fBfalse\fP
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Save installed packages to a \fBpackage\.json\fP file as dependencies\.
+.P
+When used with the \fBnpm rm\fP command, removes the dependency from
+\fBpackage\.json\fP\|\.
+.P
+Will also prevent writing to \fBpackage\-lock\.json\fP if set to \fBfalse\fP\|\.
+.SS \fBsave\-exact\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Dependencies saved to package\.json will be configured with an exact version
+rather than using npm's default semver range operator\.
+.SS \fBglobal\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Operates in "global" mode, so that packages are installed into the \fBprefix\fP
+folder instead of the current working directory\. See
+npm help folders for more on the differences in behavior\.
+.RS 0
+.IP \(bu 2
+packages are installed into the \fB{prefix}/lib/node_modules\fP folder, instead
+of the current working directory\.
+.IP \(bu 2
+bin files are linked to \fB{prefix}/bin\fP
+.IP \(bu 2
+man pages are linked to \fB{prefix}/share/man\fP
+
+.RE
+.SS \fBglobal\-style\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Causes npm to install the package into your local \fBnode_modules\fP folder with
+the same layout it uses with the global \fBnode_modules\fP folder\. Only your
+direct dependencies will show in \fBnode_modules\fP and everything they depend
+on will be flattened in their \fBnode_modules\fP folders\. This obviously will
+eliminate some deduping\. If used with \fBlegacy\-bundling\fP, \fBlegacy\-bundling\fP
+will be preferred\.
+.SS \fBlegacy\-bundling\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Causes npm to install the package such that versions of npm prior to 1\.4,
+such as the one included with node 0\.8, can install the package\. This
+eliminates all automatic deduping\. If used with \fBglobal\-style\fP this option
+will be preferred\.
+.SS \fBomit\fP
+.RS 0
+.IP \(bu 2
+Default: 'dev' if the \fBNODE_ENV\fP environment variable is set to
+\|'production', otherwise empty\.
+.IP \(bu 2
+Type: "dev", "optional", or "peer" (can be set multiple times)
+
+.RE
+.P
+Dependency types to omit from the installation tree on disk\.
+.P
+Note that these dependencies \fIare\fR still resolved and added to the
+\fBpackage\-lock\.json\fP or \fBnpm\-shrinkwrap\.json\fP file\. They are just not
+physically installed on disk\.
+.P
+If a package type appears in both the \fB\-\-include\fP and \fB\-\-omit\fP lists, then
+it will be included\.
+.P
+If the resulting omit list includes \fB\|'dev'\fP, then the \fBNODE_ENV\fP environment
+variable will be set to \fB\|'production'\fP for all lifecycle scripts\.
+.SS \fBstrict\-peer\-deps\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+If set to \fBtrue\fP, and \fB\-\-legacy\-peer\-deps\fP is not set, then \fIany\fR
+conflicting \fBpeerDependencies\fP will be treated as an install failure, even
+if npm could reasonably guess the appropriate resolution based on non\-peer
+dependency relationships\.
+.P
+By default, conflicting \fBpeerDependencies\fP deep in the dependency graph will
+be resolved using the nearest non\-peer dependency specification, even if
+doing so will result in some packages receiving a peer dependency outside
+the range set in their package's \fBpeerDependencies\fP object\.
+.P
+When such and override is performed, a warning is printed, explaining the
+conflict and the packages involved\. If \fB\-\-strict\-peer\-deps\fP is set, then
+this warning is treated as a failure\.
+.SS \fBpackage\-lock\fP
 .RS 0
 .IP \(bu 2
 Default: true
@@ -89,10 +208,10 @@ Type: Boolean
 
 .RE
 .P
-When "true" submit audit reports alongside the current npm command to the
-default registry and all registries configured for scopes\. See the
-documentation for npm help \fBaudit\fP for details on what is
-submitted\.
+If set to false, then ignore \fBpackage\-lock\.json\fP files when installing\. This
+will also prevent \fIwriting\fR \fBpackage\-lock\.json\fP if \fBsave\fP is true\.
+.P
+This configuration does not affect \fBnpm ci\fP\|\.
 .SS \fBforeground\-scripts\fP
 .RS 0
 .IP \(bu 2
@@ -123,17 +242,144 @@ Note that commands explicitly intended to run a particular script, such as
 \fBnpm start\fP, \fBnpm stop\fP, \fBnpm restart\fP, \fBnpm test\fP, and \fBnpm run\-script\fP
 will still run their intended script if \fBignore\-scripts\fP is set, but they
 will \fInot\fR run any pre\- or post\-scripts\.
-.SS \fBscript\-shell\fP
+.SS \fBaudit\fP
+.RS 0
+.IP \(bu 2
+Default: true
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+When "true" submit audit reports alongside the current npm command to the
+default registry and all registries configured for scopes\. See the
+documentation for npm help \fBaudit\fP for details on what is
+submitted\.
+.SS \fBbin\-links\fP
+.RS 0
+.IP \(bu 2
+Default: true
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Tells npm to create symlinks (or \fB\|\.cmd\fP shims on Windows) for package
+executables\.
+.P
+Set to false to have it not do this\. This can be used to work around the
+fact that some file systems don't support symlinks, even on ostensibly Unix
+systems\.
+.SS \fBfund\fP
 .RS 0
 .IP \(bu 2
-Default: '/bin/sh' on POSIX systems, 'cmd\.exe' on Windows
+Default: true
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+When "true" displays the message at the end of each \fBnpm install\fP
+acknowledging the number of dependencies looking for funding\. See npm help \fBnpm
+fund\fP for details\.
+.SS \fBdry\-run\fP
+.RS 0
 .IP \(bu 2
-Type: null or String
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Indicates that you don't want npm to make any changes and that it should
+only report what it would have done\. This can be passed into any of the
+commands that modify your local installation, eg, \fBinstall\fP, \fBupdate\fP,
+\fBdedupe\fP, \fBuninstall\fP, as well as \fBpack\fP and \fBpublish\fP\|\.
+.P
+Note: This is NOT honored by other network related commands, eg \fBdist\-tags\fP,
+\fBowner\fP, etc\.
+.SS \fBworkspace\fP
+.RS 0
+.IP \(bu 2
+Default:
+.IP \(bu 2
+Type: String (can be set multiple times)
+
+.RE
+.P
+Enable running a command in the context of the configured workspaces of the
+current project while filtering by running only the workspaces defined by
+this configuration option\.
+.P
+Valid values for the \fBworkspace\fP config are either:
+.RS 0
+.IP \(bu 2
+Workspace names
+.IP \(bu 2
+Path to a workspace directory
+.IP \(bu 2
+Path to a parent workspace directory (will result in selecting all
+workspaces within that folder)
+
+.RE
+.P
+When set for the \fBnpm init\fP command, this may be set to the folder of a
+workspace which does not yet exist, to create the folder and set it up as a
+brand new workspace within the project\.
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBworkspaces\fP
+.RS 0
+.IP \(bu 2
+Default: null
+.IP \(bu 2
+Type: null or Boolean
+
+.RE
+.P
+Set to true to run the command in the context of \fBall\fR configured
+workspaces\.
+.P
+Explicitly setting this to false will cause commands like \fBinstall\fP to
+ignore workspaces altogether\. When not set explicitly:
+.RS 0
+.IP \(bu 2
+Commands that operate on the \fBnode_modules\fP tree (install, update, etc\.)
+will link workspaces into the \fBnode_modules\fP folder\. \- Commands that do
+other things (test, exec, publish, etc\.) will operate on the root project,
+\fIunless\fR one or more workspaces are specified in the \fBworkspace\fP config\.
+
+.RE
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBinclude\-workspace\-root\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Include the workspace root when workspaces are enabled for a command\.
+.P
+When false, specifying individual workspaces via the \fBworkspace\fP config, or
+all workspaces via the \fBworkspaces\fP flag, will cause npm to operate only on
+the specified workspaces, and not on the root project\.
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBinstall\-links\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
 
 .RE
 .P
-The shell to use for scripts run with the \fBnpm exec\fP, \fBnpm run\fP and \fBnpm
-init \fP commands\.
+When set file: protocol dependencies that exist outside of the project root
+will be packed and installed as regular dependencies instead of creating a
+symlink\. This option has no effect on workspaces\.
 .SS See Also
 .RS 0
 .IP \(bu 2
diff --git a/deps/npm/man/man1/npm-init.1 b/deps/npm/man/man1/npm-init.1
index 50334564f99085..b21a794af47cc2 100644
--- a/deps/npm/man/man1/npm-init.1
+++ b/deps/npm/man/man1/npm-init.1
@@ -30,6 +30,10 @@ follows:
 \fBnpm init @usr/foo\fP \-> \fBnpm exec @usr/create\-foo\fP
 .IP \(bu 2
 \fBnpm init @usr\fP \-> \fBnpm exec @usr/create\fP
+.IP \(bu 2
+\fBnpm init @usr@2\.0\.0\fP \-> \fBnpm exec @usr/create@2\.0\.0\fP
+.IP \(bu 2
+\fBnpm init @usr/foo@2\.0\.0\fP \-> \fBnpm exec @usr/create\-foo@2\.0\.0\fP
 
 .RE
 .P
diff --git a/deps/npm/man/man1/npm-install-ci-test.1 b/deps/npm/man/man1/npm-install-ci-test.1
index 59fb33b10bdafc..10f785698528d9 100644
--- a/deps/npm/man/man1/npm-install-ci-test.1
+++ b/deps/npm/man/man1/npm-install-ci-test.1
@@ -14,7 +14,126 @@ alias: cit
 .P
 This command runs \fBnpm ci\fP followed immediately by \fBnpm test\fP\|\.
 .SS Configuration
-.SS \fBaudit\fP
+.SS \fBsave\fP
+.RS 0
+.IP \(bu 2
+Default: \fBtrue\fP unless when using \fBnpm update\fP where it defaults to \fBfalse\fP
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Save installed packages to a \fBpackage\.json\fP file as dependencies\.
+.P
+When used with the \fBnpm rm\fP command, removes the dependency from
+\fBpackage\.json\fP\|\.
+.P
+Will also prevent writing to \fBpackage\-lock\.json\fP if set to \fBfalse\fP\|\.
+.SS \fBsave\-exact\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Dependencies saved to package\.json will be configured with an exact version
+rather than using npm's default semver range operator\.
+.SS \fBglobal\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Operates in "global" mode, so that packages are installed into the \fBprefix\fP
+folder instead of the current working directory\. See
+npm help folders for more on the differences in behavior\.
+.RS 0
+.IP \(bu 2
+packages are installed into the \fB{prefix}/lib/node_modules\fP folder, instead
+of the current working directory\.
+.IP \(bu 2
+bin files are linked to \fB{prefix}/bin\fP
+.IP \(bu 2
+man pages are linked to \fB{prefix}/share/man\fP
+
+.RE
+.SS \fBglobal\-style\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Causes npm to install the package into your local \fBnode_modules\fP folder with
+the same layout it uses with the global \fBnode_modules\fP folder\. Only your
+direct dependencies will show in \fBnode_modules\fP and everything they depend
+on will be flattened in their \fBnode_modules\fP folders\. This obviously will
+eliminate some deduping\. If used with \fBlegacy\-bundling\fP, \fBlegacy\-bundling\fP
+will be preferred\.
+.SS \fBlegacy\-bundling\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Causes npm to install the package such that versions of npm prior to 1\.4,
+such as the one included with node 0\.8, can install the package\. This
+eliminates all automatic deduping\. If used with \fBglobal\-style\fP this option
+will be preferred\.
+.SS \fBomit\fP
+.RS 0
+.IP \(bu 2
+Default: 'dev' if the \fBNODE_ENV\fP environment variable is set to
+\|'production', otherwise empty\.
+.IP \(bu 2
+Type: "dev", "optional", or "peer" (can be set multiple times)
+
+.RE
+.P
+Dependency types to omit from the installation tree on disk\.
+.P
+Note that these dependencies \fIare\fR still resolved and added to the
+\fBpackage\-lock\.json\fP or \fBnpm\-shrinkwrap\.json\fP file\. They are just not
+physically installed on disk\.
+.P
+If a package type appears in both the \fB\-\-include\fP and \fB\-\-omit\fP lists, then
+it will be included\.
+.P
+If the resulting omit list includes \fB\|'dev'\fP, then the \fBNODE_ENV\fP environment
+variable will be set to \fB\|'production'\fP for all lifecycle scripts\.
+.SS \fBstrict\-peer\-deps\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+If set to \fBtrue\fP, and \fB\-\-legacy\-peer\-deps\fP is not set, then \fIany\fR
+conflicting \fBpeerDependencies\fP will be treated as an install failure, even
+if npm could reasonably guess the appropriate resolution based on non\-peer
+dependency relationships\.
+.P
+By default, conflicting \fBpeerDependencies\fP deep in the dependency graph will
+be resolved using the nearest non\-peer dependency specification, even if
+doing so will result in some packages receiving a peer dependency outside
+the range set in their package's \fBpeerDependencies\fP object\.
+.P
+When such and override is performed, a warning is printed, explaining the
+conflict and the packages involved\. If \fB\-\-strict\-peer\-deps\fP is set, then
+this warning is treated as a failure\.
+.SS \fBpackage\-lock\fP
 .RS 0
 .IP \(bu 2
 Default: true
@@ -23,10 +142,10 @@ Type: Boolean
 
 .RE
 .P
-When "true" submit audit reports alongside the current npm command to the
-default registry and all registries configured for scopes\. See the
-documentation for npm help \fBaudit\fP for details on what is
-submitted\.
+If set to false, then ignore \fBpackage\-lock\.json\fP files when installing\. This
+will also prevent \fIwriting\fR \fBpackage\-lock\.json\fP if \fBsave\fP is true\.
+.P
+This configuration does not affect \fBnpm ci\fP\|\.
 .SS \fBforeground\-scripts\fP
 .RS 0
 .IP \(bu 2
@@ -57,17 +176,144 @@ Note that commands explicitly intended to run a particular script, such as
 \fBnpm start\fP, \fBnpm stop\fP, \fBnpm restart\fP, \fBnpm test\fP, and \fBnpm run\-script\fP
 will still run their intended script if \fBignore\-scripts\fP is set, but they
 will \fInot\fR run any pre\- or post\-scripts\.
-.SS \fBscript\-shell\fP
+.SS \fBaudit\fP
+.RS 0
+.IP \(bu 2
+Default: true
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+When "true" submit audit reports alongside the current npm command to the
+default registry and all registries configured for scopes\. See the
+documentation for npm help \fBaudit\fP for details on what is
+submitted\.
+.SS \fBbin\-links\fP
+.RS 0
+.IP \(bu 2
+Default: true
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Tells npm to create symlinks (or \fB\|\.cmd\fP shims on Windows) for package
+executables\.
+.P
+Set to false to have it not do this\. This can be used to work around the
+fact that some file systems don't support symlinks, even on ostensibly Unix
+systems\.
+.SS \fBfund\fP
 .RS 0
 .IP \(bu 2
-Default: '/bin/sh' on POSIX systems, 'cmd\.exe' on Windows
+Default: true
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+When "true" displays the message at the end of each \fBnpm install\fP
+acknowledging the number of dependencies looking for funding\. See npm help \fBnpm
+fund\fP for details\.
+.SS \fBdry\-run\fP
+.RS 0
 .IP \(bu 2
-Type: null or String
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Indicates that you don't want npm to make any changes and that it should
+only report what it would have done\. This can be passed into any of the
+commands that modify your local installation, eg, \fBinstall\fP, \fBupdate\fP,
+\fBdedupe\fP, \fBuninstall\fP, as well as \fBpack\fP and \fBpublish\fP\|\.
+.P
+Note: This is NOT honored by other network related commands, eg \fBdist\-tags\fP,
+\fBowner\fP, etc\.
+.SS \fBworkspace\fP
+.RS 0
+.IP \(bu 2
+Default:
+.IP \(bu 2
+Type: String (can be set multiple times)
+
+.RE
+.P
+Enable running a command in the context of the configured workspaces of the
+current project while filtering by running only the workspaces defined by
+this configuration option\.
+.P
+Valid values for the \fBworkspace\fP config are either:
+.RS 0
+.IP \(bu 2
+Workspace names
+.IP \(bu 2
+Path to a workspace directory
+.IP \(bu 2
+Path to a parent workspace directory (will result in selecting all
+workspaces within that folder)
+
+.RE
+.P
+When set for the \fBnpm init\fP command, this may be set to the folder of a
+workspace which does not yet exist, to create the folder and set it up as a
+brand new workspace within the project\.
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBworkspaces\fP
+.RS 0
+.IP \(bu 2
+Default: null
+.IP \(bu 2
+Type: null or Boolean
+
+.RE
+.P
+Set to true to run the command in the context of \fBall\fR configured
+workspaces\.
+.P
+Explicitly setting this to false will cause commands like \fBinstall\fP to
+ignore workspaces altogether\. When not set explicitly:
+.RS 0
+.IP \(bu 2
+Commands that operate on the \fBnode_modules\fP tree (install, update, etc\.)
+will link workspaces into the \fBnode_modules\fP folder\. \- Commands that do
+other things (test, exec, publish, etc\.) will operate on the root project,
+\fIunless\fR one or more workspaces are specified in the \fBworkspace\fP config\.
+
+.RE
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBinclude\-workspace\-root\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Include the workspace root when workspaces are enabled for a command\.
+.P
+When false, specifying individual workspaces via the \fBworkspace\fP config, or
+all workspaces via the \fBworkspaces\fP flag, will cause npm to operate only on
+the specified workspaces, and not on the root project\.
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBinstall\-links\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
 
 .RE
 .P
-The shell to use for scripts run with the \fBnpm exec\fP, \fBnpm run\fP and \fBnpm
-init \fP commands\.
+When set file: protocol dependencies that exist outside of the project root
+will be packed and installed as regular dependencies instead of creating a
+symlink\. This option has no effect on workspaces\.
 .SS See Also
 .RS 0
 .IP \(bu 2
diff --git a/deps/npm/man/man1/npm-install.1 b/deps/npm/man/man1/npm-install.1
index 43adfbe9e4b5f0..f54f1e202cd067 100644
--- a/deps/npm/man/man1/npm-install.1
+++ b/deps/npm/man/man1/npm-install.1
@@ -320,7 +320,7 @@ GIT_SSH_COMMAND='ssh \-i ~/\.ssh/custom_ident' npm install git+ssh://git@github\
   can be any valid semver range or exact version, and npm will look for
   any tags or refs matching that range in the remote repository, much as
   it would for a registry dependency\. If neither \fB#\fP or
-  \fB#semver:\fP is specified, then \fBmaster\fP is used\.
+  \fB#semver:\fP is specified, then the default branch is used\.
   As with regular git dependencies, \fBdependencies\fP and \fBdevDependencies\fP
   will be installed if the package has a \fBprepare\fP script before the
   package is done installing\.
diff --git a/deps/npm/man/man1/npm-ls.1 b/deps/npm/man/man1/npm-ls.1
index 511f481a6ea9fd..cc465caebe5a1e 100644
--- a/deps/npm/man/man1/npm-ls.1
+++ b/deps/npm/man/man1/npm-ls.1
@@ -26,7 +26,7 @@ example, running \fBnpm ls promzard\fP in npm's source tree will show:
 .P
 .RS 2
 .nf
-npm@8\.15\.0 /path/to/npm
+npm@8\.15\.1 /path/to/npm
 └─┬ init\-package\-json@0\.0\.4
   └── promzard@0\.1\.5
 .fi
@@ -35,7 +35,7 @@ npm@8\.15\.0 /path/to/npm
 It will print out extraneous, missing, and invalid packages\.
 .P
 If a project specifies git urls for dependencies these are shown
-in parentheses after the name@version to make it easier for users to
+in parentheses after the \fBname@version\fP to make it easier for users to
 recognize potential forks of a project\.
 .P
 The tree shown is the logical dependency tree, based on package
@@ -52,7 +52,7 @@ disk would be roughly identical\.
 With the advent of automatic install\-time deduplication of dependencies in
 npm v3, the \fBls\fP output was modified to display the logical dependency
 graph as a tree structure, since this was more useful to most users\.
-However, without using \fBnpm ls \-l\fP, it became impossible show \fIwhere\fR a
+However, without using \fBnpm ls \-l\fP, it became impossible to show \fIwhere\fR a
 package was actually installed much of the time!
 .P
 With the advent of automatic installation of \fBpeerDependencies\fP in npm v7,
diff --git a/deps/npm/man/man1/npm.1 b/deps/npm/man/man1/npm.1
index 984dbc49192dd7..b3bc8bb417198d 100644
--- a/deps/npm/man/man1/npm.1
+++ b/deps/npm/man/man1/npm.1
@@ -4,7 +4,7 @@
 .SS Synopsis
 .SS Version
 .P
-8\.15\.0
+8\.15\.1
 .SS Description
 .P
 npm is the package manager for the Node JavaScript platform\.  It puts
diff --git a/deps/npm/man/man5/package-json.5 b/deps/npm/man/man5/package-json.5
index 0fd5174f6aa7b6..ae522f1de8294a 100644
--- a/deps/npm/man/man5/package-json.5
+++ b/deps/npm/man/man5/package-json.5
@@ -709,7 +709,7 @@ commit\. If the commit\-ish has the format \fB#semver:\fP, \fB\f
 be any valid semver range or exact version, and npm will look for any tags
 or refs matching that range in the remote repository, much as it would for
 a registry dependency\. If neither \fB#\fP or \fB#semver:\fP is
-specified, then \fBmaster\fP is used\.
+specified, then the default branch is used\.
 .P
 Examples:
 .P
diff --git a/deps/npm/man/man7/workspaces.7 b/deps/npm/man/man7/workspaces.7
index 0bc4488b44e5f2..6575130ec7f759 100644
--- a/deps/npm/man/man7/workspaces.7
+++ b/deps/npm/man/man7/workspaces.7
@@ -143,6 +143,8 @@ nested workspaces to be consumed elsewhere\.
 .P
 You can use the \fBworkspace\fP configuration option to run commands in the context
 of a configured workspace\.
+Additionally, if your current directory is in a workspace, the \fBworkspace\fP
+configuration is implicitly set, and \fBprefix\fP is set to the root workspace\.
 .P
 Following is a quick example on how to use the \fBnpm run\fP command in the context
 of nested workspaces\. For a project containing multiple workspaces, e\.g:
@@ -168,7 +170,15 @@ npm run test \-\-workspace=a
 .fi
 .RE
 .P
-This will run the \fBtest\fP script defined within the
+You could also run the command within the workspace\.
+.P
+.RS 2
+.nf
+cd packages/a && npm run test
+.fi
+.RE
+.P
+Either will run the \fBtest\fP script defined within the
 \fB\|\./packages/a/package\.json\fP file\.
 .P
 Please note that you can also specify this argument multiple times in the
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js
index da2652c449a1cd..0e98ed6fc533c1 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js
@@ -484,7 +484,7 @@ Try using the package name instead, e.g:
             .catch(/* istanbul ignore next */ er => null)
           if (st && st.isSymbolicLink()) {
             const target = await readlink(dir)
-            const real = resolve(dirname(dir), target)
+            const real = resolve(dirname(dir), target).replace(/#/g, '%23')
             tree.package.dependencies[name] = `file:${real}`
           } else {
             tree.package.dependencies[name] = '*'
@@ -603,7 +603,7 @@ Try using the package name instead, e.g:
     if (filepath) {
       const { name } = spec
       const tree = this.idealTree.target
-      spec = npa(`file:${relpath(tree.path, filepath)}`, tree.path)
+      spec = npa(`file:${relpath(tree.path, filepath).replace(/#/g, '%23')}`, tree.path)
       spec.name = name
     }
     return spec
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js
index 43351b69034af8..d4eabe8c0fdfd7 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js
@@ -196,7 +196,7 @@ module.exports = cls => class ActualLoader extends cls {
       const actualRoot = tree.isLink ? tree.target : tree
       const { dependencies = {} } = actualRoot.package
       for (const [name, kid] of actualRoot.children.entries()) {
-        const def = kid.isLink ? `file:${kid.realpath}` : '*'
+        const def = kid.isLink ? `file:${kid.realpath.replace(/#/g, '%23')}` : '*'
         dependencies[name] = dependencies[name] || def
       }
       actualRoot.package = { ...actualRoot.package, dependencies }
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-virtual.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-virtual.js
index fb3f334747fc8a..947659f177eefe 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-virtual.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-virtual.js
@@ -162,7 +162,7 @@ module.exports = cls => class VirtualLoader extends cls {
       lockfile: s.data,
     })
     for (const [name, path] of workspaces.entries()) {
-      lockWS.push(['workspace', name, `file:${path}`])
+      lockWS.push(['workspace', name, `file:${path.replace(/#/g, '%23')}`])
     }
 
     const lockEdges = [
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js
index faf016c7040109..4f1061e4abe500 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js
@@ -1241,7 +1241,7 @@ module.exports = cls => class Reifier extends cls {
             // path initially, in which case we can end up with the wrong
             // thing, so just get the ultimate fetchSpec and relativize it.
             const p = req.fetchSpec.replace(/^file:/, '')
-            const rel = relpath(addTree.realpath, p)
+            const rel = relpath(addTree.realpath, p).replace(/#/g, '%23')
             newSpec = `file:${rel}`
           }
         } else {
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/consistent-resolve.js b/deps/npm/node_modules/@npmcli/arborist/lib/consistent-resolve.js
index e34e40a46d0024..5308dc7e2f95ea 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/consistent-resolve.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/consistent-resolve.js
@@ -20,8 +20,8 @@ const consistentResolve = (resolved, fromPath, toPath, relPaths = false) => {
       raw,
     } = npa(resolved, fromPath)
     const isPath = type === 'file' || type === 'directory'
-    return isPath && !relPaths ? `file:${fetchSpec}`
-      : isPath ? 'file:' + (toPath ? relpath(toPath, fetchSpec) : fetchSpec)
+    return isPath && !relPaths ? `file:${fetchSpec.replace(/#/g, '%23')}`
+      : isPath ? 'file:' + (toPath ? relpath(toPath, fetchSpec.replace(/#/g, '%23')) : fetchSpec.replace(/#/g, '%23'))
       : hosted ? `git+${
         hosted.auth ? hosted.https(hostedOpt) : hosted.sshurl(hostedOpt)
       }`
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/link.js b/deps/npm/node_modules/@npmcli/arborist/lib/link.js
index dcce8c0d3dfa55..6fed063772b6a8 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/link.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/link.js
@@ -118,7 +118,7 @@ class Link extends Node {
     // the path/realpath guard is there for the benefit of setting
     // these things in the "wrong" order
     return this.path && this.realpath
-      ? `file:${relpath(dirname(this.path), this.realpath)}`
+      ? `file:${relpath(dirname(this.path), this.realpath).replace(/#/g, '%23')}`
       : null
   }
 
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/node.js b/deps/npm/node_modules/@npmcli/arborist/lib/node.js
index d731e5f617908a..66d46d746abf3e 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/node.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/node.js
@@ -824,7 +824,7 @@ class Node {
     }
 
     for (const [name, path] of this[_workspaces].entries()) {
-      new Edge({ from: this, name, spec: `file:${path}`, type: 'workspace' })
+      new Edge({ from: this, name, spec: `file:${path.replace(/#/g, '%23')}`, type: 'workspace' })
     }
   }
 
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/shrinkwrap.js b/deps/npm/node_modules/@npmcli/arborist/lib/shrinkwrap.js
index 3305bac4914be5..e2180fd4c8076e 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/shrinkwrap.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/shrinkwrap.js
@@ -815,7 +815,7 @@ class Shrinkwrap {
       const pathFixed = !resolved ? null
         : !/^file:/.test(resolved) ? resolved
         // resolve onto the metadata path
-        : `file:${resolve(this.path, resolved.slice(5))}`
+        : `file:${resolve(this.path, resolved.slice(5)).replace(/#/g, '%23')}`
 
       // if we have one, only set the other if it matches
       // otherwise it could be for a completely different thing.
@@ -996,7 +996,7 @@ class Shrinkwrap {
       : npa.resolve(node.name, edge.spec, edge.from.realpath)
 
     if (node.isLink) {
-      lock.version = `file:${relpath(this.path, node.realpath)}`
+      lock.version = `file:${relpath(this.path, node.realpath).replace(/#/g, '%23')}`
     } else if (spec && (spec.type === 'file' || spec.type === 'remote')) {
       lock.version = spec.saveSpec
     } else if (spec && spec.type === 'git' || rSpec.type === 'git') {
@@ -1074,7 +1074,7 @@ class Shrinkwrap {
             // this especially shows up with workspace edges when the root
             // node is also a workspace in the set.
             const p = resolve(node.realpath, spec.slice('file:'.length))
-            set[k] = `file:${relpath(node.realpath, p)}`
+            set[k] = `file:${relpath(node.realpath, p).replace(/#/g, '%23')}`
           } else {
             set[k] = spec
           }
diff --git a/deps/npm/node_modules/@npmcli/arborist/package.json b/deps/npm/node_modules/@npmcli/arborist/package.json
index 328cdf0146c141..48814eda69166f 100644
--- a/deps/npm/node_modules/@npmcli/arborist/package.json
+++ b/deps/npm/node_modules/@npmcli/arborist/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/arborist",
-  "version": "5.3.0",
+  "version": "5.3.1",
   "description": "Manage node_modules trees",
   "dependencies": {
     "@isaacs/string-locale-compare": "^1.1.0",
diff --git a/deps/npm/package.json b/deps/npm/package.json
index 969e8e160c28c5..7526c4754b0ff5 100644
--- a/deps/npm/package.json
+++ b/deps/npm/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "8.15.0",
+  "version": "8.15.1",
   "name": "npm",
   "description": "a package manager for JavaScript",
   "workspaces": [
diff --git a/deps/npm/tap-snapshots/test/lib/commands/link.js.test.cjs b/deps/npm/tap-snapshots/test/lib/commands/link.js.test.cjs
index a9a10b20a2f83d..e01409e4ce1964 100644
--- a/deps/npm/tap-snapshots/test/lib/commands/link.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/commands/link.js.test.cjs
@@ -5,6 +5,11 @@
  * Make sure to inspect the output below.  Do not ignore changes!
  */
 'use strict'
+exports[`test/lib/commands/link.js TAP hash character in working directory path > should create a global link to current pkg, even within path with hash 1`] = `
+{CWD}/test/lib/commands/tap-testdir-link-hash-character-in-working-directory-path/global-prefix/lib/node_modules/test-pkg-link -> {CWD}/test/lib/commands/tap-testdir-link-hash-character-in-working-directory-path/i_like_#_in_my_paths/test-pkg-link
+
+`
+
 exports[`test/lib/commands/link.js TAP link global linked pkg to local nm when using args > should create a local symlink to global pkg 1`] = `
 {CWD}/test/lib/commands/tap-testdir-link-link-global-linked-pkg-to-local-nm-when-using-args/my-project/node_modules/@myscope/bar -> {CWD}/test/lib/commands/tap-testdir-link-link-global-linked-pkg-to-local-nm-when-using-args/global-prefix/lib/node_modules/@myscope/bar
 {CWD}/test/lib/commands/tap-testdir-link-link-global-linked-pkg-to-local-nm-when-using-args/my-project/node_modules/@myscope/linked -> {CWD}/test/lib/commands/tap-testdir-link-link-global-linked-pkg-to-local-nm-when-using-args/scoped-linked
diff --git a/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs b/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs
index b697dfbb796c68..88b1d49556fd89 100644
--- a/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs
@@ -116,8 +116,13 @@ Usage:
 npm ci
 
 Options:
-[--no-audit] [--foreground-scripts] [--ignore-scripts]
-[--script-shell ]
+[-S|--save|--no-save|--save-prod|--save-dev|--save-optional|--save-peer|--save-bundle]
+[-E|--save-exact] [-g|--global] [--global-style] [--legacy-bundling]
+[--omit  [--omit  ...]]
+[--strict-peer-deps] [--no-package-lock] [--foreground-scripts]
+[--ignore-scripts] [--no-audit] [--no-bin-links] [--no-fund] [--dry-run]
+[-w|--workspace  [-w|--workspace  ...]]
+[-ws|--workspaces] [--include-workspace-root] [--install-links]
 
 aliases: clean-install, ic, install-clean, isntall-clean
 
@@ -425,8 +430,13 @@ Usage:
 npm install-ci-test
 
 Options:
-[--no-audit] [--foreground-scripts] [--ignore-scripts]
-[--script-shell ]
+[-S|--save|--no-save|--save-prod|--save-dev|--save-optional|--save-peer|--save-bundle]
+[-E|--save-exact] [-g|--global] [--global-style] [--legacy-bundling]
+[--omit  [--omit  ...]]
+[--strict-peer-deps] [--no-package-lock] [--foreground-scripts]
+[--ignore-scripts] [--no-audit] [--no-bin-links] [--no-fund] [--dry-run]
+[-w|--workspace  [-w|--workspace  ...]]
+[-ws|--workspaces] [--include-workspace-root] [--install-links]
 
 alias: cit
 
diff --git a/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs b/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs
index b2ba45b2d615cb..8d5f188b07924c 100644
--- a/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs
@@ -254,8 +254,13 @@ All commands:
                     npm ci
 
                     Options:
-                    [--no-audit] [--foreground-scripts] [--ignore-scripts]
-                    [--script-shell ]
+                    [-S|--save|--no-save|--save-prod|--save-dev|--save-optional|--save-peer|--save-bundle]
+                    [-E|--save-exact] [-g|--global] [--global-style] [--legacy-bundling]
+                    [--omit  [--omit  ...]]
+                    [--strict-peer-deps] [--no-package-lock] [--foreground-scripts]
+                    [--ignore-scripts] [--no-audit] [--no-bin-links] [--no-fund] [--dry-run]
+                    [-w|--workspace  [-w|--workspace  ...]]
+                    [-ws|--workspaces] [--include-workspace-root] [--install-links]
 
                     aliases: clean-install, ic, install-clean, isntall-clean
 
@@ -511,8 +516,13 @@ All commands:
                     npm install-ci-test
 
                     Options:
-                    [--no-audit] [--foreground-scripts] [--ignore-scripts]
-                    [--script-shell ]
+                    [-S|--save|--no-save|--save-prod|--save-dev|--save-optional|--save-peer|--save-bundle]
+                    [-E|--save-exact] [-g|--global] [--global-style] [--legacy-bundling]
+                    [--omit  [--omit  ...]]
+                    [--strict-peer-deps] [--no-package-lock] [--foreground-scripts]
+                    [--ignore-scripts] [--no-audit] [--no-bin-links] [--no-fund] [--dry-run]
+                    [-w|--workspace  [-w|--workspace  ...]]
+                    [-ws|--workspaces] [--include-workspace-root] [--install-links]
 
                     alias: cit
 
diff --git a/deps/npm/test/fixtures/mock-npm.js b/deps/npm/test/fixtures/mock-npm.js
index a79812fb71a299..90bf7da4c10bc7 100644
--- a/deps/npm/test/fixtures/mock-npm.js
+++ b/deps/npm/test/fixtures/mock-npm.js
@@ -108,17 +108,20 @@ const LoadMockNpm = async (t, {
     cache: cacheDir,
     global: globalPrefixDir,
   })
-  const prefix = path.join(dir, 'prefix')
-  const cache = path.join(dir, 'cache')
-  const globalPrefix = path.join(dir, 'global')
-  const home = path.join(dir, 'home')
+  const dirs = {
+    testdir: dir,
+    prefix: path.join(dir, 'prefix'),
+    cache: path.join(dir, 'cache'),
+    globalPrefix: path.join(dir, 'global'),
+    home: path.join(dir, 'home'),
+  }
 
   // Set cache to testdir via env var so it is available when load is run
   // XXX: remove this for a solution where cache argv is passed in
   mockGlobals(t, {
-    'process.env.HOME': home,
-    'process.env.npm_config_cache': cache,
-    ...(globals ? result(globals, { prefix, cache, home }) : {}),
+    'process.env.HOME': dirs.home,
+    'process.env.npm_config_cache': dirs.cache,
+    ...(globals ? result(globals, { ...dirs }) : {}),
     // Some configs don't work because they can't be set via npm.config.set until
     // config is loaded. But some config items are needed before that. So this is
     // an explicit set of configs that must be loaded as env vars.
@@ -126,7 +129,8 @@ const LoadMockNpm = async (t, {
     ...Object.entries(config)
       .filter(([k]) => envConfigKeys.includes(k))
       .reduce((acc, [k, v]) => {
-        acc[`process.env.npm_config_${k.replace(/-/g, '_')}`] = v.toString()
+        acc[`process.env.npm_config_${k.replace(/-/g, '_')}`] =
+          result(v, { ...dirs }).toString()
         return acc
       }, {}),
   })
@@ -138,7 +142,7 @@ const LoadMockNpm = async (t, {
 
   if (load) {
     await npm.load()
-    for (const [k, v] of Object.entries(result(config, { npm, prefix, cache }))) {
+    for (const [k, v] of Object.entries(result(config, { npm, ...dirs }))) {
       if (typeof v === 'object' && v.value && v.where) {
         npm.config.set(k, v.value, v.where)
       } else {
@@ -148,20 +152,16 @@ const LoadMockNpm = async (t, {
     // Set global loglevel *again* since it possibly got reset during load
     // XXX: remove with npmlog
     setLoglevel(t, config.loglevel, false)
-    npm.prefix = prefix
-    npm.cache = cache
-    npm.globalPrefix = globalPrefix
+    npm.prefix = dirs.prefix
+    npm.cache = dirs.cache
+    npm.globalPrefix = dirs.globalPrefix
   }
 
   return {
     ...rest,
+    ...dirs,
     Npm,
     npm,
-    home,
-    prefix,
-    globalPrefix,
-    testdir: dir,
-    cache,
     debugFile: async () => {
       const readFiles = npm.logFiles.map(f => fs.readFile(f))
       const logFiles = await Promise.all(readFiles)
@@ -171,7 +171,7 @@ const LoadMockNpm = async (t, {
         .join('\n')
     },
     timingFile: async () => {
-      const data = await fs.readFile(path.resolve(cache, '_timing.json'), 'utf8')
+      const data = await fs.readFile(path.resolve(dirs.cache, '_timing.json'), 'utf8')
       return JSON.parse(data) // XXX: this fails if multiple timings are written
     },
   }
diff --git a/deps/npm/test/lib/commands/init.js b/deps/npm/test/lib/commands/init.js
index 32816adbc272ee..e7b2739341437c 100644
--- a/deps/npm/test/lib/commands/init.js
+++ b/deps/npm/test/lib/commands/init.js
@@ -136,6 +136,44 @@ t.test('npm init @scope/name', async t => {
   await init.exec(['@npmcli/something'])
 })
 
+t.test('npm init @scope@spec', async t => {
+  t.plan(1)
+  npm.localPrefix = t.testdir({})
+
+  const Init = t.mock('../../../lib/commands/init.js', {
+    libnpmexec: ({ args }) => {
+      t.same(
+        args,
+        ['@npmcli/create@foo'],
+        'should npx with scoped packages'
+      )
+    },
+  })
+  const init = new Init(npm)
+
+  process.chdir(npm.localPrefix)
+  await init.exec(['@npmcli@foo'])
+})
+
+t.test('npm init @scope/name@spec', async t => {
+  t.plan(1)
+  npm.localPrefix = t.testdir({})
+
+  const Init = t.mock('../../../lib/commands/init.js', {
+    libnpmexec: ({ args }) => {
+      t.same(
+        args,
+        ['@npmcli/create-something@foo'],
+        'should npx with scoped packages'
+      )
+    },
+  })
+  const init = new Init(npm)
+
+  process.chdir(npm.localPrefix)
+  await init.exec(['@npmcli/something@foo'])
+})
+
 t.test('npm init git spec', async t => {
   t.plan(1)
   npm.localPrefix = t.testdir({})
diff --git a/deps/npm/test/lib/commands/link.js b/deps/npm/test/lib/commands/link.js
index a01de0b2479909..5bd7a3f1480ae1 100644
--- a/deps/npm/test/lib/commands/link.js
+++ b/deps/npm/test/lib/commands/link.js
@@ -514,3 +514,39 @@ t.test('--global option', async t => {
     'should throw an useful error'
   )
 })
+
+t.test('hash character in working directory path', async t => {
+  const testdir = t.testdir({
+    'global-prefix': {
+      lib: {
+        node_modules: {
+          a: {
+            'package.json': JSON.stringify({
+              name: 'a',
+              version: '1.0.0',
+            }),
+          },
+        },
+      },
+    },
+    'i_like_#_in_my_paths': {
+      'test-pkg-link': {
+        'package.json': JSON.stringify({
+          name: 'test-pkg-link',
+          version: '1.0.0',
+        }),
+      },
+    },
+  })
+  npm.globalDir = resolve(testdir, 'global-prefix', 'lib', 'node_modules')
+  npm.prefix = resolve(testdir, 'i_like_#_in_my_paths', 'test-pkg-link')
+
+  link.workspacePaths = null
+  await link.exec([])
+  const links = await printLinks({
+    path: resolve(npm.globalDir, '..'),
+    global: true,
+  })
+
+  t.matchSnapshot(links, 'should create a global link to current pkg, even within path with hash')
+})
diff --git a/deps/npm/test/lib/npm.js b/deps/npm/test/lib/npm.js
index cd692a93f50772..62e48ce6050db1 100644
--- a/deps/npm/test/lib/npm.js
+++ b/deps/npm/test/lib/npm.js
@@ -3,6 +3,7 @@ const { resolve, dirname, join } = require('path')
 
 const { load: loadMockNpm } = require('../fixtures/mock-npm.js')
 const mockGlobals = require('../fixtures/mock-globals')
+const fs = require('@npmcli/fs')
 
 // delete this so that we don't have configs from the fact that it
 // is being run by 'npm test'
@@ -435,23 +436,42 @@ t.test('debug log', async t => {
     t.match(debug, log2.join(' '), 'after load log appears')
   })
 
-  t.test('with bad dir', async t => {
-    const { npm } = await loadMockNpm(t, {
+  t.test('can load with bad dir', async t => {
+    const { npm, testdir } = await loadMockNpm(t, {
+      load: false,
       config: {
-        'logs-dir': 'LOGS_DIR',
-      },
-      mocks: {
-        '@npmcli/fs': {
-          mkdir: async (dir) => {
-            if (dir.includes('LOGS_DIR')) {
-              throw new Error('err')
-            }
-          },
-        },
+        'logs-dir': (c) => join(c.testdir, 'my_logs_dir'),
       },
     })
+    const logsDir = join(testdir, 'my_logs_dir')
+
+    // make logs dir a file before load so it files
+    await fs.writeFile(logsDir, 'A_TEXT_FILE')
+    await t.resolves(npm.load(), 'loads with invalid logs dir')
+
+    t.equal(npm.logFiles.length, 0, 'no log files array')
+    t.strictSame(fs.readFileSync(logsDir, 'utf-8'), 'A_TEXT_FILE')
+  })
+})
+
+t.test('cache dir', async t => {
+  t.test('creates a cache dir', async t => {
+    const { npm } = await loadMockNpm(t)
+
+    t.ok(fs.existsSync(npm.cache), 'cache dir exists')
+  })
+
+  t.test('can load with a bad cache dir', async t => {
+    const { npm, cache } = await loadMockNpm(t, {
+      load: false,
+      // The easiest way to make mkdir(cache) fail is to make it a file.
+      // This will have the same effect as if its read only or inaccessible.
+      cacheDir: 'A_TEXT_FILE',
+    })
+
+    await t.resolves(npm.load(), 'loads with cache dir as a file')
 
-    t.equal(npm.logFiles.length, 0, 'no log file')
+    t.equal(fs.readFileSync(cache, 'utf-8'), 'A_TEXT_FILE')
   })
 })
 

From 11960235ed80e3ff02a9d7ad63fb95a4800bf108 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= 
Date: Fri, 29 Jul 2022 00:00:40 +0200
Subject: [PATCH 026/147] src: improve SPKAC::ExportChallenge()

Declare buf as an unsigned char to get rid of the reinterpret_cast and
do not ignore the return value of ASN1_STRING_TO_UTF8. This also removes
the need to call strlen() on the result.

PR-URL: https://github.com/nodejs/node/pull/44002
Reviewed-By: Darshan Sen 
Reviewed-By: Luigi Pinca 
Reviewed-By: Anna Henningsen 
---
 src/crypto/crypto_spkac.cc | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/crypto/crypto_spkac.cc b/src/crypto/crypto_spkac.cc
index 7cda346907e421..3489dee33784cc 100644
--- a/src/crypto/crypto_spkac.cc
+++ b/src/crypto/crypto_spkac.cc
@@ -99,12 +99,9 @@ ByteSource ExportChallenge(const ArrayBufferOrViewContents& input) {
   if (!sp)
     return ByteSource();
 
-  char* buf = nullptr;
-  ASN1_STRING_to_UTF8(
-    reinterpret_cast(&buf),
-    sp->spkac->challenge);
-
-  return ByteSource::Allocated(buf, strlen(buf));
+  unsigned char* buf = nullptr;
+  int buf_size = ASN1_STRING_to_UTF8(&buf, sp->spkac->challenge);
+  return (buf_size >= 0) ? ByteSource::Allocated(buf, buf_size) : ByteSource();
 }
 
 void ExportChallenge(const FunctionCallbackInfo& args) {

From b4677f74fa59b20d060d893e0d0db3e65d2790bf Mon Sep 17 00:00:00 2001
From: Kohei Ueno 
Date: Fri, 29 Jul 2022 14:47:56 +0900
Subject: [PATCH 027/147] src: fix to use replacement character

PR-URL: https://github.com/nodejs/node/pull/43999
Fixes: https://github.com/nodejs/node/issues/43962
Reviewed-By: Antoine du Hamel 
Reviewed-By: Mohammed Keyvanzadeh 
Reviewed-By: Darshan Sen 
Reviewed-By: LiviaMedeiros 
Reviewed-By: Feng Yu 
---
 src/node_i18n.cc                                         | 6 +++++-
 test/parallel/test-whatwg-encoding-custom-textdecoder.js | 7 +++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/node_i18n.cc b/src/node_i18n.cc
index c537a247f55ff0..d96efaa9df7b2f 100644
--- a/src/node_i18n.cc
+++ b/src/node_i18n.cc
@@ -425,7 +425,11 @@ void ConverterObject::Create(const FunctionCallbackInfo& args) {
                         nullptr, nullptr, nullptr, &status);
   }
 
-  new ConverterObject(env, obj, conv, flags);
+  auto converter = new ConverterObject(env, obj, conv, flags);
+  size_t sublen = ucnv_getMinCharSize(conv);
+  std::string sub(sublen, '?');
+  converter->set_subst_chars(sub.c_str());
+
   args.GetReturnValue().Set(obj);
 }
 
diff --git a/test/parallel/test-whatwg-encoding-custom-textdecoder.js b/test/parallel/test-whatwg-encoding-custom-textdecoder.js
index 1fa65164c70678..fe08edc597d3f4 100644
--- a/test/parallel/test-whatwg-encoding-custom-textdecoder.js
+++ b/test/parallel/test-whatwg-encoding-custom-textdecoder.js
@@ -199,3 +199,10 @@ if (common.hasIntl) {
   const str = decoder.decode(chunk);
   assert.strictEqual(str, 'foo\ufffd');
 }
+
+if (common.hasIntl) {
+  const decoder = new TextDecoder('Shift_JIS');
+  const chunk = new Uint8Array([-1]);
+  const str = decoder.decode(chunk);
+  assert.strictEqual(str, '\ufffd');
+}

From cbc118998ac22d425e76d2365c1079df7433564c Mon Sep 17 00:00:00 2001
From: Jacob Smith <3012099+JakobJingleheimer@users.noreply.github.com>
Date: Fri, 29 Jul 2022 10:42:55 +0200
Subject: [PATCH 028/147] test: refactor ESM tests to improve performance

PR-URL: https://github.com/nodejs/node/pull/43784
Reviewed-By: Geoffrey Booth 
Reviewed-By: Antoine du Hamel 
---
 lib/internal/modules/esm/loader.js            |   2 +-
 test/common/index.js                          |  33 +-
 test/common/index.mjs                         |   8 +-
 test/es-module/test-cjs-esm-warn.js           | 102 ++-
 test/es-module/test-esm-cjs-builtins.js       |  29 +-
 test/es-module/test-esm-cjs-exports.js        |  52 +-
 .../test-esm-cjs-load-error-note.mjs          | 243 ++---
 test/es-module/test-esm-cjs-main.js           |  31 +-
 .../es-module/test-esm-encoded-path-native.js |  25 +-
 .../test-esm-experimental-warnings.mjs        |  83 +-
 test/es-module/test-esm-export-not-found.mjs  |  67 +-
 .../test-esm-import-json-named-export.mjs     |  40 +-
 test/es-module/test-esm-initialization.mjs    |  39 +-
 test/es-module/test-esm-invalid-extension.js  |  13 -
 test/es-module/test-esm-invalid-pjson.js      |  45 +-
 test/es-module/test-esm-json.mjs              |  40 +-
 test/es-module/test-esm-loader-chaining.mjs   | 842 +++++++++---------
 .../test-esm-loader-http-imports.mjs          |  59 +-
 test/es-module/test-esm-loader-not-found.mjs  |  43 +-
 .../test-esm-loader-obsolete-hooks.mjs        |  50 +-
 test/es-module/test-esm-loader-thenable.mjs   |  76 +-
 .../test-esm-loader-with-syntax-error.mjs     |  36 +-
 ...est-esm-module-not-found-commonjs-hint.mjs |  59 +-
 test/es-module/test-esm-non-js.mjs            |  35 +-
 test/es-module/test-esm-nowarn-exports.mjs    |  36 +-
 .../test-esm-preserve-symlinks-main.js        |  18 +-
 test/es-module/test-esm-repl-imports.js       |  35 +-
 test/es-module/test-esm-specifiers.mjs        | 137 +--
 test/es-module/test-esm-syntax-error.mjs      |  27 +-
 test/es-module/test-esm-tla-unfinished.mjs    | 213 +++--
 .../test-esm-unknown-or-no-extension.js       |  60 +-
 test/es-module/test-esm-wasm.mjs              |  68 +-
 test/es-module/test-http-imports-cli.mjs      |  82 +-
 .../assertionless-json-import.mjs             |   6 +-
 .../builtin-named-exports-loader.mjs          |   2 +-
 .../es-module-loaders/example-loader.mjs      |   4 +-
 .../es-module-loaders/hook-resolve-type.mjs   |   2 +-
 .../es-module-loaders/hooks-custom.mjs        |   8 +-
 .../es-module-loaders/hooks-obsolete.mjs      |  18 +-
 .../es-module-loaders/http-loader.mjs         |   4 +-
 .../es-module-loaders/loader-get-format.mjs   |  10 -
 .../loader-invalid-format.mjs                 |   6 +-
 .../es-module-loaders/loader-invalid-url.mjs  |   4 +-
 .../loader-load-bad-next-url.mjs              |   2 +-
 .../loader-load-impersonating-next-url.mjs    |   2 +-
 .../loader-load-next-modified.mjs             |   2 +-
 .../loader-load-passthru.mjs                  |   2 +-
 .../loader-resolve-bad-next-specifier.mjs     |   2 +-
 .../es-module-loaders/loader-resolve-foo.mjs  |   2 +-
 .../loader-resolve-multiple-next-calls.mjs    |   4 +-
 .../loader-resolve-passthru.mjs               |   2 +-
 .../es-module-loaders/loader-shared-dep.mjs   |   4 +-
 .../loader-unknown-builtin-module.mjs         |   2 +-
 .../missing-dynamic-instantiate-hook.mjs      |   4 +-
 .../not-found-assert-loader.mjs               |   8 +-
 .../es-module-loaders/string-sources.mjs      |   4 +-
 56 files changed, 1390 insertions(+), 1442 deletions(-)
 delete mode 100644 test/es-module/test-esm-invalid-extension.js
 delete mode 100644 test/fixtures/es-module-loaders/loader-get-format.mjs

diff --git a/lib/internal/modules/esm/loader.js b/lib/internal/modules/esm/loader.js
index 223fd68a79fd00..027077cbb6e781 100644
--- a/lib/internal/modules/esm/loader.js
+++ b/lib/internal/modules/esm/loader.js
@@ -336,7 +336,7 @@ class ESMLoader {
    *  A list of exports from user-defined loaders (as returned by
    *  ESMLoader.import()).
    */
-  async addCustomLoaders(
+  addCustomLoaders(
     customLoaders = [],
   ) {
     for (let i = 0; i < customLoaders.length; i++) {
diff --git a/test/common/index.js b/test/common/index.js
index e14fbe59d1946b..9ba2fd9cd9edb5 100644
--- a/test/common/index.js
+++ b/test/common/index.js
@@ -24,7 +24,7 @@
 const process = global.process;  // Some tests tamper with the process global.
 
 const assert = require('assert');
-const { exec, execSync, spawnSync } = require('child_process');
+const { exec, execSync, spawn, spawnSync } = require('child_process');
 const fs = require('fs');
 // Do not require 'os' until needed so that test-os-checked-function can
 // monkey patch it. If 'os' is required here, that test will fail.
@@ -842,6 +842,36 @@ function requireNoPackageJSONAbove(dir = __dirname) {
   }
 }
 
+function spawnPromisified(...args) {
+  let stderr = '';
+  let stdout = '';
+
+  const child = spawn(...args);
+  child.stderr.setEncoding('utf8');
+  child.stderr.on('data', (data) => { stderr += data; });
+  child.stdout.setEncoding('utf8');
+  child.stdout.on('data', (data) => { stdout += data; });
+
+  return new Promise((resolve, reject) => {
+    child.on('close', (code, signal) => {
+      resolve({
+        code,
+        signal,
+        stderr,
+        stdout,
+      });
+    });
+    child.on('error', (code, signal) => {
+      reject({
+        code,
+        signal,
+        stderr,
+        stdout,
+      });
+    });
+  });
+}
+
 const common = {
   allowGlobals,
   buildType,
@@ -891,6 +921,7 @@ const common = {
   skipIfEslintMissing,
   skipIfInspectorDisabled,
   skipIfWorker,
+  spawnPromisified,
 
   get enoughTestMem() {
     return require('os').totalmem() > 0x70000000; /* 1.75 Gb */
diff --git a/test/common/index.mjs b/test/common/index.mjs
index a3a34ae7f04435..2b30f499343cc4 100644
--- a/test/common/index.mjs
+++ b/test/common/index.mjs
@@ -23,6 +23,7 @@ const {
   hasCrypto,
   hasIPv6,
   childShouldThrowAndAbort,
+  checkoutEOL,
   createZeroFilledFile,
   platformTimeout,
   allowGlobals,
@@ -47,7 +48,8 @@ const {
   getArrayBufferViews,
   getBufferSources,
   getTTYfd,
-  runWithInvalidFD
+  runWithInvalidFD,
+  spawnPromisified,
 } = common;
 
 export {
@@ -70,6 +72,7 @@ export {
   hasCrypto,
   hasIPv6,
   childShouldThrowAndAbort,
+  checkoutEOL,
   createZeroFilledFile,
   platformTimeout,
   allowGlobals,
@@ -95,5 +98,6 @@ export {
   getBufferSources,
   getTTYfd,
   runWithInvalidFD,
-  createRequire
+  createRequire,
+  spawnPromisified,
 };
diff --git a/test/es-module/test-cjs-esm-warn.js b/test/es-module/test-cjs-esm-warn.js
index d7eeb65b152a4a..c1d60a209502bb 100644
--- a/test/es-module/test-cjs-esm-warn.js
+++ b/test/es-module/test-cjs-esm-warn.js
@@ -1,10 +1,12 @@
 'use strict';
 
-const common = require('../common');
-const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
-const assert = require('assert');
-const path = require('path');
+const { spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const path = require('node:path');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
+
 
 const requiringCjsAsEsm = path.resolve(fixtures.path('/es-modules/cjs-esm.js'));
 const requiringEsm = path.resolve(fixtures.path('/es-modules/cjs-esm-esm.js'));
@@ -12,53 +14,55 @@ const pjson = path.resolve(
   fixtures.path('/es-modules/package-type-module/package.json')
 );
 
-{
-  const required = path.resolve(
-    fixtures.path('/es-modules/package-type-module/cjs.js')
-  );
-  const basename = 'cjs.js';
-  const child = spawn(process.execPath, [requiringCjsAsEsm]);
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', common.mustCall((code, signal) => {
+
+describe('CJS ↔︎ ESM interop warnings', { concurrency: true }, () => {
+
+  it(async () => {
+    const required = path.resolve(
+      fixtures.path('/es-modules/package-type-module/cjs.js')
+    );
+    const basename = 'cjs.js';
+    const { code, signal, stderr } = await spawnPromisified(execPath, [requiringCjsAsEsm]);
+
+    assert.ok(
+      stderr.replaceAll('\r', '').includes(
+        `Error [ERR_REQUIRE_ESM]: require() of ES Module ${required} from ${requiringCjsAsEsm} not supported.\n`
+      )
+    );
+    assert.ok(
+      stderr.replaceAll('\r', '').includes(
+        `Instead rename ${basename} to end in .cjs, change the requiring ` +
+        'code to use dynamic import() which is available in all CommonJS ' +
+        `modules, or change "type": "module" to "type": "commonjs" in ${pjson} to ` +
+        'treat all .js files as CommonJS (using .mjs for all ES modules ' +
+        'instead).\n'
+      )
+    );
+
     assert.strictEqual(code, 1);
     assert.strictEqual(signal, null);
+  });
 
-    assert.ok(stderr.replaceAll('\r', '').includes(
-      `Error [ERR_REQUIRE_ESM]: require() of ES Module ${required} from ${
-        requiringCjsAsEsm} not supported.\n`));
-    assert.ok(stderr.replaceAll('\r', '').includes(
-      `Instead rename ${basename} to end in .cjs, change the requiring ` +
-      'code to use dynamic import() which is available in all CommonJS ' +
-      `modules, or change "type": "module" to "type": "commonjs" in ${pjson} to ` +
-      'treat all .js files as CommonJS (using .mjs for all ES modules ' +
-      'instead).\n'));
-  }));
-}
+  it(async () => {
+    const required = path.resolve(
+      fixtures.path('/es-modules/package-type-module/esm.js')
+    );
+    const basename = 'esm.js';
+    const { code, signal, stderr } = await spawnPromisified(execPath, [requiringEsm]);
+
+    assert.ok(
+      stderr.replace(/\r/g, '').includes(
+        `Error [ERR_REQUIRE_ESM]: require() of ES Module ${required} from ${requiringEsm} not supported.\n`
+      )
+    );
+    assert.ok(
+      stderr.replace(/\r/g, '').includes(
+        `Instead change the require of ${basename} in ${requiringEsm} to` +
+        ' a dynamic import() which is available in all CommonJS modules.\n'
+      )
+    );
 
-{
-  const required = path.resolve(
-    fixtures.path('/es-modules/package-type-module/esm.js')
-  );
-  const basename = 'esm.js';
-  const child = spawn(process.execPath, [requiringEsm]);
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', common.mustCall((code, signal) => {
     assert.strictEqual(code, 1);
     assert.strictEqual(signal, null);
-
-    assert.ok(stderr.replace(/\r/g, '').includes(
-      `Error [ERR_REQUIRE_ESM]: require() of ES Module ${required} from ${
-        requiringEsm} not supported.\n`));
-    assert.ok(stderr.replace(/\r/g, '').includes(
-      `Instead change the require of ${basename} in ${requiringEsm} to` +
-      ' a dynamic import() which is available in all CommonJS modules.\n'));
-  }));
-}
+  });
+});
diff --git a/test/es-module/test-esm-cjs-builtins.js b/test/es-module/test-esm-cjs-builtins.js
index 63aae732904137..c49abfd8c93222 100644
--- a/test/es-module/test-esm-cjs-builtins.js
+++ b/test/es-module/test-esm-cjs-builtins.js
@@ -1,21 +1,20 @@
 'use strict';
 
-const common = require('../common');
-const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
-const assert = require('assert');
+const { spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
+
 
 const entry = fixtures.path('/es-modules/builtin-imports-case.mjs');
 
-const child = spawn(process.execPath, [entry]);
-child.stderr.setEncoding('utf8');
-let stdout = '';
-child.stdout.setEncoding('utf8');
-child.stdout.on('data', (data) => {
-  stdout += data;
+describe('ESM: importing builtins & CJS', () => {
+  it('should work', async () => {
+    const { code, signal, stdout } = await spawnPromisified(execPath, [entry]);
+
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
+    assert.strictEqual(stdout, 'ok\n');
+  });
 });
-child.on('close', common.mustCall((code, signal) => {
-  assert.strictEqual(code, 0);
-  assert.strictEqual(signal, null);
-  assert.strictEqual(stdout, 'ok\n');
-}));
diff --git a/test/es-module/test-esm-cjs-exports.js b/test/es-module/test-esm-cjs-exports.js
index 7db2c6fdb5971b..4a5a9ffceecc2a 100644
--- a/test/es-module/test-esm-cjs-exports.js
+++ b/test/es-module/test-esm-cjs-exports.js
@@ -1,35 +1,29 @@
 'use strict';
 
-const common = require('../common');
-const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
-const assert = require('assert');
+const { spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
 
-const entry = fixtures.path('/es-modules/cjs-exports.mjs');
 
-let child = spawn(process.execPath, [entry]);
-child.stderr.setEncoding('utf8');
-let stdout = '';
-child.stdout.setEncoding('utf8');
-child.stdout.on('data', (data) => {
-  stdout += data;
-});
-child.on('close', common.mustCall((code, signal) => {
-  assert.strictEqual(code, 0);
-  assert.strictEqual(signal, null);
-  assert.strictEqual(stdout, 'ok\n');
-}));
+describe('ESM: importing CJS', { concurrency: true }, () => {
+  it('should support valid CJS exports', async () => {
+    const validEntry = fixtures.path('/es-modules/cjs-exports.mjs');
+    const { code, signal, stdout } = await spawnPromisified(execPath, [validEntry]);
+
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
+    assert.strictEqual(stdout, 'ok\n');
+  });
+
+  it('should eror on invalid CJS exports', async () => {
+    const invalidEntry = fixtures.path('/es-modules/cjs-exports-invalid.mjs');
+    const { code, signal, stderr } = await spawnPromisified(execPath, [invalidEntry]);
 
-const entryInvalid = fixtures.path('/es-modules/cjs-exports-invalid.mjs');
-child = spawn(process.execPath, [entryInvalid]);
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
+    assert.strictEqual(code, 1);
+    assert.strictEqual(signal, null);
+    assert.ok(stderr.includes('Warning: To load an ES module'));
+    assert.ok(stderr.includes('Unexpected token \'export\''));
+  });
 });
-child.on('close', common.mustCall((code, signal) => {
-  assert.strictEqual(code, 1);
-  assert.strictEqual(signal, null);
-  assert.ok(stderr.includes('Warning: To load an ES module'));
-  assert.ok(stderr.includes('Unexpected token \'export\''));
-}));
diff --git a/test/es-module/test-esm-cjs-load-error-note.mjs b/test/es-module/test-esm-cjs-load-error-note.mjs
index 0298432441391c..4df9e903eb627a 100644
--- a/test/es-module/test-esm-cjs-load-error-note.mjs
+++ b/test/es-module/test-esm-cjs-load-error-note.mjs
@@ -1,163 +1,96 @@
-import { mustCall } from '../common/index.mjs';
-import assert from 'assert';
-import fixtures from '../common/fixtures.js';
-import { spawn } from 'child_process';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const Export1 = fixtures.path('/es-modules/es-note-unexpected-export-1.cjs');
-const Export2 = fixtures.path('/es-modules/es-note-unexpected-export-2.cjs');
-const Import1 = fixtures.path('/es-modules/es-note-unexpected-import-1.cjs');
-const Import2 = fixtures.path('/es-modules/es-note-promiserej-import-2.cjs');
-const Import3 = fixtures.path('/es-modules/es-note-unexpected-import-3.cjs');
-const Import4 = fixtures.path('/es-modules/es-note-unexpected-import-4.cjs');
-const Import5 = fixtures.path('/es-modules/es-note-unexpected-import-5.cjs');
-const Error1 = fixtures.path('/es-modules/es-note-error-1.mjs');
-const Error2 = fixtures.path('/es-modules/es-note-error-2.mjs');
-const Error3 = fixtures.path('/es-modules/es-note-error-3.mjs');
-const Error4 = fixtures.path('/es-modules/es-note-error-4.mjs');
 
 // Expect note to be included in the error output
 const expectedNote = 'To load an ES module, ' +
 'set "type": "module" in the package.json ' +
 'or use the .mjs extension.';
 
-const expectedCode = 1;
-
-const pExport1 = spawn(process.execPath, [Export1]);
-let pExport1Stderr = '';
-pExport1.stderr.setEncoding('utf8');
-pExport1.stderr.on('data', (data) => {
-  pExport1Stderr += data;
-});
-pExport1.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pExport1Stderr.includes(expectedNote),
-            `${expectedNote} not found in ${pExport1Stderr}`);
-}));
-
-
-const pExport2 = spawn(process.execPath, [Export2]);
-let pExport2Stderr = '';
-pExport2.stderr.setEncoding('utf8');
-pExport2.stderr.on('data', (data) => {
-  pExport2Stderr += data;
-});
-pExport2.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pExport2Stderr.includes(expectedNote),
-            `${expectedNote} not found in ${pExport2Stderr}`);
-}));
-
-const pImport1 = spawn(process.execPath, [Import1]);
-let pImport1Stderr = '';
-pImport1.stderr.setEncoding('utf8');
-pImport1.stderr.on('data', (data) => {
-  pImport1Stderr += data;
-});
-pImport1.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pImport1Stderr.includes(expectedNote),
-            `${expectedNote} not found in ${pExport1Stderr}`);
-}));
-
-// Note this test shouldn't include the note
-const pImport2 = spawn(process.execPath, [Import2]);
-let pImport2Stderr = '';
-pImport2.stderr.setEncoding('utf8');
-pImport2.stderr.on('data', (data) => {
-  pImport2Stderr += data;
-});
-pImport2.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(!pImport2Stderr.includes(expectedNote),
-            `${expectedNote} must not be included in ${pImport2Stderr}`);
-}));
-
-const pImport3 = spawn(process.execPath, [Import3]);
-let pImport3Stderr = '';
-pImport3.stderr.setEncoding('utf8');
-pImport3.stderr.on('data', (data) => {
-  pImport3Stderr += data;
-});
-pImport3.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pImport3Stderr.includes(expectedNote),
-            `${expectedNote} not found in ${pImport3Stderr}`);
-}));
-
-
-const pImport4 = spawn(process.execPath, [Import4]);
-let pImport4Stderr = '';
-pImport4.stderr.setEncoding('utf8');
-pImport4.stderr.on('data', (data) => {
-  pImport4Stderr += data;
-});
-pImport4.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pImport4Stderr.includes(expectedNote),
-            `${expectedNote} not found in ${pImport4Stderr}`);
-}));
-
-// Must exit non-zero and show note
-const pImport5 = spawn(process.execPath, [Import5]);
-let pImport5Stderr = '';
-pImport5.stderr.setEncoding('utf8');
-pImport5.stderr.on('data', (data) => {
-  pImport5Stderr += data;
-});
-pImport5.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(!pImport5Stderr.includes(expectedNote),
-            `${expectedNote} must not be included in ${pImport5Stderr}`);
-}));
-
-const pError1 = spawn(process.execPath, [Error1]);
-let pError1Stderr = '';
-pError1.stderr.setEncoding('utf8');
-pError1.stderr.on('data', (data) => {
-  pError1Stderr += data;
-});
-pError1.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pError1Stderr.includes('Error: some error'));
-  assert.ok(!pError1Stderr.includes(expectedNote),
-            `${expectedNote} must not be included in ${pError1Stderr}`);
-}));
-
-const pError2 = spawn(process.execPath, [Error2]);
-let pError2Stderr = '';
-pError2.stderr.setEncoding('utf8');
-pError2.stderr.on('data', (data) => {
-  pError2Stderr += data;
-});
-pError2.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pError2Stderr.includes('string'));
-  assert.ok(!pError2Stderr.includes(expectedNote),
-            `${expectedNote} must not be included in ${pError2Stderr}`);
-}));
-
-const pError3 = spawn(process.execPath, [Error3]);
-let pError3Stderr = '';
-pError3.stderr.setEncoding('utf8');
-pError3.stderr.on('data', (data) => {
-  pError3Stderr += data;
-});
-pError3.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pError3Stderr.includes('null'));
-  assert.ok(!pError3Stderr.includes(expectedNote),
-            `${expectedNote} must not be included in ${pError3Stderr}`);
-}));
-
-const pError4 = spawn(process.execPath, [Error4]);
-let pError4Stderr = '';
-pError4.stderr.setEncoding('utf8');
-pError4.stderr.on('data', (data) => {
-  pError4Stderr += data;
+const mustIncludeMessage = {
+  getMessage: () => (stderr) => `${expectedNote} not found in ${stderr}`,
+  includeNote: true,
+};
+const mustNotIncludeMessage = {
+  getMessage: () => (stderr) => `${expectedNote} must not be included in ${stderr}`,
+  includeNote: false,
+};
+
+describe('ESM: Errors for unexpected exports', { concurrency: true }, () => {
+  for (
+    const { errorNeedle, filePath, getMessage, includeNote }
+    of [
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-unexpected-export-1.cjs'),
+        ...mustIncludeMessage,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-unexpected-import-1.cjs'),
+        ...mustIncludeMessage,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-promiserej-import-2.cjs'),
+        ...mustNotIncludeMessage,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-unexpected-import-3.cjs'),
+        ...mustIncludeMessage,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-unexpected-import-4.cjs'),
+        ...mustIncludeMessage,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-unexpected-import-5.cjs'),
+        ...mustNotIncludeMessage,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-error-1.mjs'),
+        ...mustNotIncludeMessage,
+        errorNeedle: /Error: some error/,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-error-2.mjs'),
+        ...mustNotIncludeMessage,
+        errorNeedle: /string/,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-error-3.mjs'),
+        ...mustNotIncludeMessage,
+        errorNeedle: /null/,
+      },
+      {
+        // name: '',
+        filePath: fixtures.path('/es-modules/es-note-error-4.mjs'),
+        ...mustNotIncludeMessage,
+        errorNeedle: /undefined/,
+      },
+    ]
+  ) {
+    it(`should ${includeNote ? '' : 'NOT'} include note`, async () => {
+      const { code, stderr } = await spawnPromisified(execPath, [filePath]);
+
+      assert.strictEqual(code, 1);
+
+      if (errorNeedle != null) assert.match(stderr, errorNeedle);
+
+      const shouldIncludeNote = stderr.includes(expectedNote);
+      assert.ok(
+        includeNote ? shouldIncludeNote : !shouldIncludeNote,
+        `${filePath} ${getMessage(stderr)}`,
+      );
+    });
+  }
 });
-pError4.on('close', mustCall((code) => {
-  assert.strictEqual(code, expectedCode);
-  assert.ok(pError4Stderr.includes('undefined'));
-  assert.ok(!pError4Stderr.includes(expectedNote),
-            `${expectedNote} must not be included in ${pError4Stderr}`);
-}));
diff --git a/test/es-module/test-esm-cjs-main.js b/test/es-module/test-esm-cjs-main.js
index 92f4124ccaab8a..bb209648356d10 100644
--- a/test/es-module/test-esm-cjs-main.js
+++ b/test/es-module/test-esm-cjs-main.js
@@ -1,21 +1,20 @@
 'use strict';
 
-const common = require('../common');
-const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
-const assert = require('assert');
+const { spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
 
-const entry = fixtures.path('/es-modules/cjs.js');
 
-const child = spawn(process.execPath, [entry]);
-child.stderr.setEncoding('utf8');
-let stdout = '';
-child.stdout.setEncoding('utf8');
-child.stdout.on('data', (data) => {
-  stdout += data;
+describe('ESM: importing CJS', () => {
+  it('should work', async () => {
+    const { code, signal, stdout } = await spawnPromisified(execPath, [
+      fixtures.path('/es-modules/cjs.js'),
+    ]);
+
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
+    assert.strictEqual(stdout, 'executed\n');
+  });
 });
-child.on('close', common.mustCall((code, signal) => {
-  assert.strictEqual(code, 0);
-  assert.strictEqual(signal, null);
-  assert.strictEqual(stdout, 'executed\n');
-}));
diff --git a/test/es-module/test-esm-encoded-path-native.js b/test/es-module/test-esm-encoded-path-native.js
index b8f5719b6089ee..7574e55278bd1f 100644
--- a/test/es-module/test-esm-encoded-path-native.js
+++ b/test/es-module/test-esm-encoded-path-native.js
@@ -1,11 +1,18 @@
 'use strict';
-require('../common');
-const fixtures = require('../common/fixtures');
-const assert = require('assert');
-const { spawn } = require('child_process');
-
-const native = fixtures.path('es-module-url/native.mjs');
-const child = spawn(process.execPath, [native]);
-child.on('exit', (code) => {
-  assert.strictEqual(code, 1);
+
+const { spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
+
+
+describe('ESM: importing an encoded path', () => {
+  it('should throw', async () => {
+    const { code } = await spawnPromisified(execPath, [
+      fixtures.path('es-module-url/native.mjs'),
+    ]);
+
+    assert.strictEqual(code, 1);
+  });
 });
diff --git a/test/es-module/test-esm-experimental-warnings.mjs b/test/es-module/test-esm-experimental-warnings.mjs
index b6ef757a88302e..fc167c63584b87 100644
--- a/test/es-module/test-esm-experimental-warnings.mjs
+++ b/test/es-module/test-esm-experimental-warnings.mjs
@@ -1,55 +1,48 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { fileURL } from '../common/fixtures.mjs';
-import { doesNotMatch, match, strictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { doesNotMatch, match, strictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-// Verify no warnings are printed when no experimental features are enabled or used
-{
-  const input = `import ${JSON.stringify(fileURL('es-module-loaders', 'module-named-exports.mjs'))}`;
-  const child = spawn(execPath, [
-    '--input-type=module',
-    '--eval',
-    input,
-  ]);
 
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => { stderr += data; });
-  child.on('close', mustCall((code, signal) => {
-    strictEqual(code, 0);
-    strictEqual(signal, null);
+describe('ESM: warn for obsolete hooks provided', { concurrency: true }, () => {
+  it('should not print warnings when no experimental features are enabled or used', async () => {
+    const { code, signal, stderr } = await spawnPromisified(execPath, [
+      '--input-type=module',
+      '--eval',
+      `import ${JSON.stringify(fileURL('es-module-loaders', 'module-named-exports.mjs'))}`,
+    ]);
+
     doesNotMatch(
       stderr,
       /ExperimentalWarning/,
       new Error('No experimental warning(s) should be emitted when no experimental feature is enabled')
     );
-  }));
-}
-
-// Verify experimental warning is printed when experimental feature is enabled
-for (
-  const [experiment, arg] of [
-    [/Custom ESM Loaders/, `--experimental-loader=${fileURL('es-module-loaders', 'hooks-custom.mjs')}`],
-    [/Network Imports/, '--experimental-network-imports'],
-    [/specifier resolution/, '--experimental-specifier-resolution=node'],
-  ]
-) {
-  const input = `import ${JSON.stringify(fileURL('es-module-loaders', 'module-named-exports.mjs'))}`;
-  const child = spawn(execPath, [
-    arg,
-    '--input-type=module',
-    '--eval',
-    input,
-  ]);
-
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => { stderr += data; });
-  child.on('close', mustCall((code, signal) => {
     strictEqual(code, 0);
     strictEqual(signal, null);
-    match(stderr, /ExperimentalWarning/);
-    match(stderr, experiment);
-  }));
-}
+  });
+
+  describe('experimental warnings for enabled experimental feature', () => {
+    for (
+      const [experiment, arg] of [
+        [/Custom ESM Loaders/, `--experimental-loader=${fileURL('es-module-loaders', 'hooks-custom.mjs')}`],
+        [/Network Imports/, '--experimental-network-imports'],
+        [/specifier resolution/, '--experimental-specifier-resolution=node'],
+      ]
+    ) {
+      it(`should print for ${experiment.toString().replaceAll('/', '')}`, async () => {
+        const { code, signal, stderr } = await spawnPromisified(execPath, [
+          arg,
+          '--input-type=module',
+          '--eval',
+          `import ${JSON.stringify(fileURL('es-module-loaders', 'module-named-exports.mjs'))}`,
+        ]);
+
+        match(stderr, /ExperimentalWarning/);
+        match(stderr, experiment);
+        strictEqual(code, 0);
+        strictEqual(signal, null);
+      });
+    }
+  });
+});
diff --git a/test/es-module/test-esm-export-not-found.mjs b/test/es-module/test-esm-export-not-found.mjs
index cdfe6df0fcde31..48ccd0f910227f 100644
--- a/test/es-module/test-esm-export-not-found.mjs
+++ b/test/es-module/test-esm-export-not-found.mjs
@@ -1,39 +1,48 @@
-import { mustCall } from '../common/index.mjs';
-import { path } from '../common/fixtures.mjs';
-import { match, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const importStatement =
-  'import { foo, notfound } from \'./module-named-exports.mjs\';';
+
+const importStatement = 'import { foo, notfound } from \'./module-named-exports.mjs\';';
 const importStatementMultiline = `import {
   foo,
   notfound
 } from './module-named-exports.mjs';
 `;
 
-[importStatement, importStatementMultiline].forEach((input) => {
-  const child = spawn(execPath, [
-    '--input-type=module',
-    '--eval',
-    input,
-  ], {
-    cwd: path('es-module-loaders'),
-  });
+describe('ESM: nonexistent exports', { concurrency: true }, () => {
+  for (
+    const { name, input }
+    of [
+      {
+        input: importStatement,
+        name: 'single-line import',
+      },
+      {
+        input: importStatementMultiline,
+        name: 'multi-line import',
+      },
+    ]
+  ) {
+    it(`should throw for nonexistent exports via ${name}`, async () => {
+      const { code, stderr } = await spawnPromisified(execPath, [
+        '--input-type=module',
+        '--eval',
+        input,
+      ], {
+        cwd: fixtures.path('es-module-loaders'),
+      });
 
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', mustCall((code, _signal) => {
-    notStrictEqual(code, 0);
+      assert.notStrictEqual(code, 0);
 
-    // SyntaxError: The requested module './module-named-exports.mjs'
-    // does not provide an export named 'notfound'
-    match(stderr, /SyntaxError:/);
-    // The quotes ensure that the path starts with ./ and not ../
-    match(stderr, /'\.\/module-named-exports\.mjs'/);
-    match(stderr, /notfound/);
-  }));
+      // SyntaxError: The requested module './module-named-exports.mjs'
+      // does not provide an export named 'notfound'
+      assert.match(stderr, /SyntaxError:/);
+      // The quotes ensure that the path starts with ./ and not ../
+      assert.match(stderr, /'\.\/module-named-exports\.mjs'/);
+      assert.match(stderr, /notfound/);
+    });
+  }
 });
diff --git a/test/es-module/test-esm-import-json-named-export.mjs b/test/es-module/test-esm-import-json-named-export.mjs
index 3c0f3af662c7cc..c8a4ad8dce3e5e 100644
--- a/test/es-module/test-esm-import-json-named-export.mjs
+++ b/test/es-module/test-esm-import-json-named-export.mjs
@@ -1,24 +1,22 @@
-import { mustCall } from '../common/index.mjs';
-import { path } from '../common/fixtures.mjs';
-import { match, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const child = spawn(execPath, [
-  path('es-modules', 'import-json-named-export.mjs'),
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', mustCall((code, _signal) => {
-  notStrictEqual(code, 0);
+describe('ESM: named JSON exports', { concurrency: true }, () => {
+  it('should throw, citing named import', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      fixtures.path('es-modules', 'import-json-named-export.mjs'),
+    ]);
+
+    // SyntaxError: The requested module '../experimental.json'
+    // does not provide an export named 'ofLife'
+    assert.match(stderr, /SyntaxError:/);
+    assert.match(stderr, /'\.\.\/experimental\.json'/);
+    assert.match(stderr, /'ofLife'/);
 
-  // SyntaxError: The requested module '../experimental.json'
-  // does not provide an export named 'ofLife'
-  match(stderr, /SyntaxError:/);
-  match(stderr, /'\.\.\/experimental\.json'/);
-  match(stderr, /'ofLife'/);
-}));
+    assert.notStrictEqual(code, 0);
+  });
+});
diff --git a/test/es-module/test-esm-initialization.mjs b/test/es-module/test-esm-initialization.mjs
index ab756c7a3619e1..2bfd16135a0189 100644
--- a/test/es-module/test-esm-initialization.mjs
+++ b/test/es-module/test-esm-initialization.mjs
@@ -1,30 +1,29 @@
-import '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import * as fixtures from '../common/fixtures.mjs';
 import assert from 'node:assert';
-import { spawnSync } from 'node:child_process';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
 
-{ // Verify unadulterated source is loaded when there are no loaders
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
+describe('ESM: ensure initialisation happens only once', { concurrency: true }, () => {
+  it(async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
       '--loader',
       fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
       '--no-warnings',
       fixtures.path('es-modules', 'runmain.mjs'),
-    ],
-    { encoding: 'utf8' },
-  );
+    ]);
 
-  // Length minus 1 because the first match is the needle.
-  const resolveHookRunCount = (stdout.match(/resolve passthru/g)?.length ?? 0) - 1;
+    // Length minus 1 because the first match is the needle.
+    const resolveHookRunCount = (stdout.match(/resolve passthru/g)?.length ?? 0) - 1;
 
-  assert.strictEqual(stderr, '');
-  /**
-   * resolveHookRunCount = 2:
-   * 1. fixtures/…/runmain.mjs
-   * 2. node:module (imported by fixtures/…/runmain.mjs)
-   */
-  assert.strictEqual(resolveHookRunCount, 2);
-  assert.strictEqual(status, 0);
-}
+    assert.strictEqual(stderr, '');
+    /**
+     * resolveHookRunCount = 2:
+     * 1. fixtures/…/runmain.mjs
+     * 2. node:module (imported by fixtures/…/runmain.mjs)
+     */
+    assert.strictEqual(resolveHookRunCount, 2);
+    assert.strictEqual(code, 0);
+  });
+});
diff --git a/test/es-module/test-esm-invalid-extension.js b/test/es-module/test-esm-invalid-extension.js
deleted file mode 100644
index cca7704f7994f0..00000000000000
--- a/test/es-module/test-esm-invalid-extension.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict';
-require('../common');
-const fixtures = require('../common/fixtures');
-const assert = require('assert');
-const { spawnSync } = require('child_process');
-const fixture = fixtures.path('/es-modules/import-invalid-ext.mjs');
-const child = spawnSync(process.execPath, [fixture]);
-const errMsg = 'TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension';
-
-assert.strictEqual(child.status, 1);
-assert.strictEqual(child.signal, null);
-assert.strictEqual(child.stdout.toString().trim(), '');
-assert.ok(child.stderr.toString().includes(errMsg));
diff --git a/test/es-module/test-esm-invalid-pjson.js b/test/es-module/test-esm-invalid-pjson.js
index cdbebb17b4bb34..f3a38018637aa3 100644
--- a/test/es-module/test-esm-invalid-pjson.js
+++ b/test/es-module/test-esm-invalid-pjson.js
@@ -1,27 +1,28 @@
 'use strict';
 
-const { mustCall, checkoutEOL } = require('../common');
-const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
-const { strictEqual, ok } = require('assert');
+const { checkoutEOL, spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
 
-const entry = fixtures.path('/es-modules/import-invalid-pjson.mjs');
-const invalidJson = fixtures.path('/node_modules/invalid-pjson/package.json');
 
-const child = spawn(process.execPath, [entry]);
-child.stderr.setEncoding('utf8');
-let stderr = '';
-child.stderr.on('data', (data) => {
-  stderr += data;
+describe('ESM: Package.json', { concurrency: true }, () => {
+  it('should throw on invalid pson', async () => {
+    const entry = fixtures.path('/es-modules/import-invalid-pjson.mjs');
+    const invalidJson = fixtures.path('/node_modules/invalid-pjson/package.json');
+
+    const { code, signal, stderr } = await spawnPromisified(execPath, [entry]);
+
+    assert.ok(
+      stderr.includes(
+        `[ERR_INVALID_PACKAGE_CONFIG]: Invalid package config ${invalidJson} ` +
+        `while importing "invalid-pjson" from ${entry}. ` +
+        `Unexpected token } in JSON at position ${12 + checkoutEOL.length * 2}`
+      ),
+      stderr
+    );
+    assert.strictEqual(code, 1);
+    assert.strictEqual(signal, null);
+  });
 });
-child.on('close', mustCall((code, signal) => {
-  strictEqual(code, 1);
-  strictEqual(signal, null);
-  ok(
-    stderr.includes(
-      `[ERR_INVALID_PACKAGE_CONFIG]: Invalid package config ${invalidJson} ` +
-      `while importing "invalid-pjson" from ${entry}. ` +
-      `Unexpected token } in JSON at position ${12 + checkoutEOL.length * 2}`
-    ),
-    stderr);
-}));
diff --git a/test/es-module/test-esm-json.mjs b/test/es-module/test-esm-json.mjs
index 6d55419eedc857..14c86bac80af98 100644
--- a/test/es-module/test-esm-json.mjs
+++ b/test/es-module/test-esm-json.mjs
@@ -1,27 +1,25 @@
-import '../common/index.mjs';
-import { path } from '../common/fixtures.mjs';
-import { strictEqual, ok } from 'assert';
-import { spawn } from 'child_process';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
 import secret from '../fixtures/experimental.json' assert { type: 'json' };
 
-strictEqual(secret.ofLife, 42);
 
-// Test warning message
-const child = spawn(process.execPath, [
-  path('/es-modules/json-modules.mjs'),
-]);
+describe('ESM: importing JSON', () => {
+  it('should load JSON', () => {
+    assert.strictEqual(secret.ofLife, 42);
+  });
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', (code, signal) => {
-  strictEqual(code, 0);
-  strictEqual(signal, null);
-  ok(stderr.toString().includes(
-    'ExperimentalWarning: Importing JSON modules is an experimental feature. ' +
-    'This feature could change at any time'
-  ));
+  it('should print an experimental warning', async () => {
+    const { code, signal, stderr } = await spawnPromisified(execPath, [
+      fixtures.path('/es-modules/json-modules.mjs'),
+    ]);
+
+    assert.match(stderr, /ExperimentalWarning/);
+    assert.match(stderr, /JSON modules/);
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
+  });
 });
diff --git a/test/es-module/test-esm-loader-chaining.mjs b/test/es-module/test-esm-loader-chaining.mjs
index f1ea13495ca5c4..14303cb5c42665 100644
--- a/test/es-module/test-esm-loader-chaining.mjs
+++ b/test/es-module/test-esm-loader-chaining.mjs
@@ -1,7 +1,9 @@
-import '../common/index.mjs';
-import fixtures from '../common/fixtures.js';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
 import assert from 'node:assert';
-import { spawnSync } from 'node:child_process';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
+
 
 const setupArgs = [
   '--no-warnings',
@@ -14,420 +16,420 @@ const commonArgs = [
   commonInput,
 ];
 
-{ // Verify unadulterated source is loaded when there are no loaders
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      ...setupArgs,
-      'import fs from "node:fs"; console.log(typeof fs?.constants?.F_OK )',
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /number/); // node:fs is an object
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify loaded source is properly different when only load changes something
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /load passthru/);
-  assert.match(stdout, /resolve passthru/);
-  assert.match(stdout, /foo/);
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify multiple changes from hooks result in proper output
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-foo.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /resolve 42/); // It did go thru resolve-42
-  assert.match(stdout, /foo/); // LIFO, so resolve-foo won
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify modifying context within resolve chain is respected
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-receiving-modified-context.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passing-modified-context.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /bar/);
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify multiple changes from hooks result in proper output
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-foo.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /resolve foo/); // It did go thru resolve-foo
-  assert.match(stdout, /42/); // LIFO, so resolve-42 won
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify multiple calls to next within same loader receive correct "next" fn
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-foo.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-multiple-next-calls.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  const countFoos = stdout.match(/resolve foo/g)?.length;
-
-  assert.strictEqual(stderr, '');
-  assert.strictEqual(countFoos, 2);
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify next function's `name` is correct
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /next: nextResolve/);
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify error thrown for incomplete resolve chain, citing errant loader & hook
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-incomplete.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.match(stdout, /resolve passthru/);
-  assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
-  assert.match(stderr, /loader-resolve-incomplete\.mjs/);
-  assert.match(stderr, /'resolve'/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify error NOT thrown when nested resolve hook signaled a short circuit
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-next-modified.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.strictEqual(stdout.trim(), 'foo');
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify error NOT thrown when nested load hook signaled a short circuit
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-next-modified.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(stderr, '');
-  assert.match(stdout, /421/);
-  assert.strictEqual(status, 0);
-}
-
-{ // Verify resolve chain does break and throws appropriately
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-incomplete.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.doesNotMatch(stdout, /resolve passthru/);
-  assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
-  assert.match(stderr, /loader-resolve-incomplete\.mjs/);
-  assert.match(stderr, /'resolve'/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify error thrown for incomplete load chain, citing errant loader & hook
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-incomplete.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.match(stdout, /load passthru/);
-  assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
-  assert.match(stderr, /loader-load-incomplete\.mjs/);
-  assert.match(stderr, /'load'/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify load chain does break and throws appropriately
-  const { status, stderr, stdout } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-incomplete.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.doesNotMatch(stdout, /load passthru/);
-  assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
-  assert.match(stderr, /loader-load-incomplete\.mjs/);
-  assert.match(stderr, /'load'/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify error thrown when invalid `specifier` argument passed to `nextResolve`
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-bad-next-specifier.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(status, 1);
-  assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
-  assert.match(stderr, /loader-resolve-bad-next-specifier\.mjs/);
-  assert.match(stderr, /'resolve' hook's nextResolve\(\) specifier/);
-}
-
-{ // Verify error thrown when resolve hook is invalid
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-null-return.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(status, 1);
-  assert.match(stderr, /ERR_INVALID_RETURN_VALUE/);
-  assert.match(stderr, /loader-resolve-null-return\.mjs/);
-  assert.match(stderr, /'resolve' hook's nextResolve\(\)/);
-  assert.match(stderr, /an object/);
-  assert.match(stderr, /got null/);
-}
-
-{ // Verify error thrown when invalid `context` argument passed to `nextResolve`
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-resolve-bad-next-context.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
-  assert.match(stderr, /loader-resolve-bad-next-context\.mjs/);
-  assert.match(stderr, /'resolve' hook's nextResolve\(\) context/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify error thrown when load hook is invalid
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-null-return.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.strictEqual(status, 1);
-  assert.match(stderr, /ERR_INVALID_RETURN_VALUE/);
-  assert.match(stderr, /loader-load-null-return\.mjs/);
-  assert.match(stderr, /'load' hook's nextLoad\(\)/);
-  assert.match(stderr, /an object/);
-  assert.match(stderr, /got null/);
-}
-
-{ // Verify error thrown when invalid `url` argument passed to `nextLoad`
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-bad-next-url.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
-  assert.match(stderr, /loader-load-bad-next-url\.mjs/);
-  assert.match(stderr, /'load' hook's nextLoad\(\) url/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify error thrown when invalid `url` argument passed to `nextLoad`
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-impersonating-next-url.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.match(stderr, /ERR_INVALID_ARG_VALUE/);
-  assert.match(stderr, /loader-load-impersonating-next-url\.mjs/);
-  assert.match(stderr, /'load' hook's nextLoad\(\) url/);
-  assert.strictEqual(status, 1);
-}
-
-{ // Verify error thrown when invalid `context` argument passed to `nextLoad`
-  const { status, stderr } = spawnSync(
-    process.execPath,
-    [
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'loader-load-bad-next-context.mjs'),
-      ...commonArgs,
-    ],
-    { encoding: 'utf8' },
-  );
-
-  assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
-  assert.match(stderr, /loader-load-bad-next-context\.mjs/);
-  assert.match(stderr, /'load' hook's nextLoad\(\) context/);
-  assert.strictEqual(status, 1);
-}
+describe('ESM: loader chaining', { concurrency: true }, () => {
+  it('should load unadulterated source when there are no loaders', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        ...setupArgs,
+        'import fs from "node:fs"; console.log(typeof fs?.constants?.F_OK )',
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /number/); // node:fs is an object
+    assert.strictEqual(code, 0);
+  });
+
+  it('should load properly different source when only load changes something', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /load passthru/);
+    assert.match(stdout, /resolve passthru/);
+    assert.match(stdout, /foo/);
+    assert.strictEqual(code, 0);
+  });
+
+  it('should result in proper output from multiple changes in resolve hooks', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-foo.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /resolve 42/); // It did go thru resolve-42
+    assert.match(stdout, /foo/); // LIFO, so resolve-foo won
+    assert.strictEqual(code, 0);
+  });
+
+  it('should respect modified context within resolve chain', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-receiving-modified-context.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passing-modified-context.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /bar/);
+    assert.strictEqual(code, 0);
+  });
+
+  it('should result in proper output from multiple changes in resolve hooks', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-foo.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /resolve foo/); // It did go thru resolve-foo
+    assert.match(stdout, /42/); // LIFO, so resolve-42 won
+    assert.strictEqual(code, 0);
+  });
+
+  it('should provide the correct "next" fn when multiple calls to next within same loader', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-foo.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-multiple-next-calls.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    const countFoos = stdout.match(/resolve foo/g)?.length;
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(countFoos, 2);
+    assert.strictEqual(code, 0);
+  });
+
+  it('should use the correct `name` for next\'s function', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /next: nextResolve/);
+    assert.strictEqual(code, 0);
+  });
+
+  it('should throw for incomplete resolve chain, citing errant loader & hook', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-incomplete.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+    assert.match(stdout, /resolve passthru/);
+    assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
+    assert.match(stderr, /loader-resolve-incomplete\.mjs/);
+    assert.match(stderr, /'resolve'/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should NOT throw when nested resolve hook signaled a short circuit', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-next-modified.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout.trim(), 'foo');
+    assert.strictEqual(code, 0);
+  });
+
+  it('should NOT throw when nested load hook signaled a short circuit', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-shortcircuit.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-next-modified.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(stderr, '');
+    assert.match(stdout, /421/);
+    assert.strictEqual(code, 0);
+  });
+
+  it('should throw when the resolve chain is broken', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-incomplete.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-foo-or-42.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.doesNotMatch(stdout, /resolve passthru/);
+    assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
+    assert.match(stderr, /loader-resolve-incomplete\.mjs/);
+    assert.match(stderr, /'resolve'/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should throw for incomplete load chain, citing errant loader & hook', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-incomplete.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.match(stdout, /load passthru/);
+    assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
+    assert.match(stderr, /loader-load-incomplete\.mjs/);
+    assert.match(stderr, /'load'/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should throw when the load chain is broken', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-incomplete.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.doesNotMatch(stdout, /load passthru/);
+    assert.match(stderr, /ERR_LOADER_CHAIN_INCOMPLETE/);
+    assert.match(stderr, /loader-load-incomplete\.mjs/);
+    assert.match(stderr, /'load'/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should throw when invalid `specifier` argument passed to `nextResolve`', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-bad-next-specifier.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(code, 1);
+    assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
+    assert.match(stderr, /loader-resolve-bad-next-specifier\.mjs/);
+    assert.match(stderr, /'resolve' hook's nextResolve\(\) specifier/);
+  });
+
+  it('should throw when resolve hook is invalid', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-null-return.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(code, 1);
+    assert.match(stderr, /ERR_INVALID_RETURN_VALUE/);
+    assert.match(stderr, /loader-resolve-null-return\.mjs/);
+    assert.match(stderr, /'resolve' hook's nextResolve\(\)/);
+    assert.match(stderr, /an object/);
+    assert.match(stderr, /got null/);
+  });
+
+  it('should throw when invalid `context` argument passed to `nextResolve`', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-resolve-bad-next-context.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
+    assert.match(stderr, /loader-resolve-bad-next-context\.mjs/);
+    assert.match(stderr, /'resolve' hook's nextResolve\(\) context/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should throw when load hook is invalid', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-null-return.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.strictEqual(code, 1);
+    assert.match(stderr, /ERR_INVALID_RETURN_VALUE/);
+    assert.match(stderr, /loader-load-null-return\.mjs/);
+    assert.match(stderr, /'load' hook's nextLoad\(\)/);
+    assert.match(stderr, /an object/);
+    assert.match(stderr, /got null/);
+  });
+
+  it('should throw when invalid `url` argument passed to `nextLoad`', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-bad-next-url.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
+    assert.match(stderr, /loader-load-bad-next-url\.mjs/);
+    assert.match(stderr, /'load' hook's nextLoad\(\) url/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should throw when invalid `url` argument passed to `nextLoad`', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-impersonating-next-url.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+
+    assert.match(stderr, /ERR_INVALID_ARG_VALUE/);
+    assert.match(stderr, /loader-load-impersonating-next-url\.mjs/);
+    assert.match(stderr, /'load' hook's nextLoad\(\) url/);
+    assert.strictEqual(code, 1);
+  });
+
+  it('should throw when invalid `context` argument passed to `nextLoad`', async () => {
+    const { code, stderr } = await spawnPromisified(
+      execPath,
+      [
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-passthru.mjs'),
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'loader-load-bad-next-context.mjs'),
+        ...commonArgs,
+      ],
+      { encoding: 'utf8' },
+    );
+    assert.match(stderr, /ERR_INVALID_ARG_TYPE/);
+    assert.match(stderr, /loader-load-bad-next-context\.mjs/);
+    assert.match(stderr, /'load' hook's nextLoad\(\) context/);
+    assert.strictEqual(code, 1);
+  });
+});
diff --git a/test/es-module/test-esm-loader-http-imports.mjs b/test/es-module/test-esm-loader-http-imports.mjs
index 5f6cc47f388271..ad42829f5d1cee 100644
--- a/test/es-module/test-esm-loader-http-imports.mjs
+++ b/test/es-module/test-esm-loader-http-imports.mjs
@@ -1,10 +1,11 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import fixtures from '../common/fixtures.js';
-import { strictEqual } from 'node:assert';
-import { spawn } from 'node:child_process';
+import assert from 'node:assert';
 import http from 'node:http';
 import path from 'node:path';
+import { execPath } from 'node:process';
 import { promisify } from 'node:util';
+import { describe, it } from 'node:test';
 
 
 const files = {
@@ -40,33 +41,31 @@ const {
   port,
 } = server.address();
 
-{ // Verify nested HTTP imports work
-  const child = spawn( // ! `spawn` MUST be used (vs `spawnSync`) to avoid blocking the event loop
-    process.execPath,
-    [
-      '--no-warnings',
-      '--loader',
-      fixtures.fileURL('es-module-loaders', 'http-loader.mjs'),
-      '--input-type=module',
-      '--eval',
-      `import * as main from 'http://${host}:${port}/main.mjs'; console.log(main)`,
-    ]
-  );
+/**
+ * ! If more cases are added to this test, they cannot (yet) be concurrent because there is no
+ * ! `afterAll` teardown in which to close the server.
+ */
 
-  let stderr = '';
-  let stdout = '';
+describe('ESM: http import via loader', { concurrency: false }, () => {
+  it('should work', async () => {
+    // ! MUST NOT use spawnSync to avoid blocking the event loop
+    const { code, signal, stderr, stdout } = await spawnPromisified(
+      execPath,
+      [
+        '--no-warnings',
+        '--loader',
+        fixtures.fileURL('es-module-loaders', 'http-loader.mjs'),
+        '--input-type=module',
+        '--eval',
+        `import * as main from 'http://${host}:${port}/main.mjs'; console.log(main)`,
+      ]
+    );
 
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => stderr += data);
-  child.stdout.setEncoding('utf8');
-  child.stdout.on('data', (data) => stdout += data);
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '[Module: null prototype] { sum: [Function: sum] }\n');
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
 
-  child.on('close', mustCall((code, signal) => {
-    strictEqual(stderr, '');
-    strictEqual(stdout, '[Module: null prototype] { sum: [Function: sum] }\n');
-    strictEqual(code, 0);
-    strictEqual(signal, null);
-
-    server.close();
-  }));
-}
+    server.close(); // ! This MUST come after the final test, but inside the async `it` function
+  });
+});
diff --git a/test/es-module/test-esm-loader-not-found.mjs b/test/es-module/test-esm-loader-not-found.mjs
index 275f0b0f1e8515..2abaf3078d113d 100644
--- a/test/es-module/test-esm-loader-not-found.mjs
+++ b/test/es-module/test-esm-loader-not-found.mjs
@@ -1,27 +1,24 @@
-import { mustCall } from '../common/index.mjs';
-import { path } from '../common/fixtures.mjs';
-import { match, ok, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const child = spawn(execPath, [
-  '--experimental-loader',
-  'i-dont-exist',
-  path('print-error-message.js'),
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', mustCall((code, _signal) => {
-  notStrictEqual(code, 0);
+describe('ESM: nonexistent loader', () => {
+  it('should throw', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--experimental-loader',
+      'i-dont-exist',
+      fixtures.path('print-error-message.js'),
+    ]);
+
+    assert.notStrictEqual(code, 0);
 
-  // Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'i-dont-exist'
-  // imported from
-  match(stderr, /ERR_MODULE_NOT_FOUND/);
-  match(stderr, /'i-dont-exist'/);
+    // Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'i-dont-exist' imported from
+    assert.match(stderr, /ERR_MODULE_NOT_FOUND/);
+    assert.match(stderr, /'i-dont-exist'/);
 
-  ok(!stderr.includes('Bad command or file name'));
-}));
+    assert.ok(!stderr.includes('Bad command or file name'));
+  });
+});
diff --git a/test/es-module/test-esm-loader-obsolete-hooks.mjs b/test/es-module/test-esm-loader-obsolete-hooks.mjs
index eff4104fc265ae..fa0baef8a216b7 100644
--- a/test/es-module/test-esm-loader-obsolete-hooks.mjs
+++ b/test/es-module/test-esm-loader-obsolete-hooks.mjs
@@ -1,30 +1,28 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { fileURL, path } from '../common/fixtures.mjs';
-import { match, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { match, notStrictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const child = spawn(execPath, [
-  '--no-warnings',
-  '--throw-deprecation',
-  '--experimental-loader',
-  fileURL('es-module-loaders', 'hooks-obsolete.mjs').href,
-  path('print-error-message.js'),
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', mustCall((code, _signal) => {
-  notStrictEqual(code, 0);
+describe('ESM: deprecation warnings for obsolete hooks', { concurrency: true }, () => {
+  it(async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      '--throw-deprecation',
+      '--experimental-loader',
+      fileURL('es-module-loaders', 'hooks-obsolete.mjs').href,
+      path('print-error-message.js'),
+    ]);
+
+    // DeprecationWarning: Obsolete loader hook(s) supplied and will be ignored:
+    // dynamicInstantiate, getFormat, getSource, transformSource
+    match(stderr, /DeprecationWarning:/);
+    match(stderr, /dynamicInstantiate/);
+    match(stderr, /getFormat/);
+    match(stderr, /getSource/);
+    match(stderr, /transformSource/);
 
-  // DeprecationWarning: Obsolete loader hook(s) supplied and will be ignored:
-  // dynamicInstantiate, getFormat, getSource, transformSource
-  match(stderr, /DeprecationWarning:/);
-  match(stderr, /dynamicInstantiate/);
-  match(stderr, /getFormat/);
-  match(stderr, /getSource/);
-  match(stderr, /transformSource/);
-}));
+    notStrictEqual(code, 0);
+  });
+});
diff --git a/test/es-module/test-esm-loader-thenable.mjs b/test/es-module/test-esm-loader-thenable.mjs
index c8c3ec2778e7e9..5e802b8393bcd4 100644
--- a/test/es-module/test-esm-loader-thenable.mjs
+++ b/test/es-module/test-esm-loader-thenable.mjs
@@ -1,65 +1,43 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { fileURL, path } from '../common/fixtures.mjs';
 import { match, ok, notStrictEqual, strictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-{
-  const child = spawn(execPath, [
-    '--experimental-loader',
-    fileURL('es-module-loaders', 'thenable-load-hook.mjs').href,
-    path('es-modules', 'test-esm-ok.mjs'),
-  ]);
 
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', mustCall((code, _signal) => {
+describe('ESM: thenable loader hooks', { concurrency: true }, () => {
+  it('should behave as a normal promise resolution', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--experimental-loader',
+      fileURL('es-module-loaders', 'thenable-load-hook.mjs').href,
+      path('es-modules', 'test-esm-ok.mjs'),
+    ]);
+
     strictEqual(code, 0);
     ok(!stderr.includes('must not call'));
-  }));
-}
+  });
 
-{
-  const child = spawn(execPath, [
-    '--experimental-loader',
-    fileURL('es-module-loaders', 'thenable-load-hook-rejected.mjs').href,
-    path('es-modules', 'test-esm-ok.mjs'),
-  ]);
+  it('should crash the node process rejection with an error', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--experimental-loader',
+      fileURL('es-module-loaders', 'thenable-load-hook-rejected.mjs').href,
+      path('es-modules', 'test-esm-ok.mjs'),
+    ]);
 
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', mustCall((code, _signal) => {
     notStrictEqual(code, 0);
-
     match(stderr, /\sError: must crash the process\r?\n/);
-
     ok(!stderr.includes('must not call'));
-  }));
-}
+  });
 
-{
-  const child = spawn(execPath, [
-    '--experimental-loader',
-    fileURL('es-module-loaders', 'thenable-load-hook-rejected-no-arguments.mjs').href,
-    path('es-modules', 'test-esm-ok.mjs'),
-  ]);
+  it('should just reject without an error (but NOT crash the node process)', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--experimental-loader',
+      fileURL('es-module-loaders', 'thenable-load-hook-rejected-no-arguments.mjs').href,
+      path('es-modules', 'test-esm-ok.mjs'),
+    ]);
 
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', mustCall((code, _signal) => {
     notStrictEqual(code, 0);
-
     match(stderr, /\sundefined\r?\n/);
-
     ok(!stderr.includes('must not call'));
-  }));
-}
+  });
+});
diff --git a/test/es-module/test-esm-loader-with-syntax-error.mjs b/test/es-module/test-esm-loader-with-syntax-error.mjs
index d973e72975e88f..0ed995ad510ee7 100644
--- a/test/es-module/test-esm-loader-with-syntax-error.mjs
+++ b/test/es-module/test-esm-loader-with-syntax-error.mjs
@@ -1,24 +1,20 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { fileURL, path } from '../common/fixtures.mjs';
-import { match, ok, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { match, ok, notStrictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const child = spawn(execPath, [
-  '--experimental-loader',
-  fileURL('es-module-loaders', 'syntax-error.mjs').href,
-  path('print-error-message.js'),
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', mustCall((code, _signal) => {
-  notStrictEqual(code, 0);
-
-  match(stderr, /SyntaxError:/);
+describe('ESM: loader with syntax error', { concurrency: true }, () => {
+  it('should crash the node process', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--experimental-loader',
+      fileURL('es-module-loaders', 'syntax-error.mjs').href,
+      path('print-error-message.js'),
+    ]);
 
-  ok(!stderr.includes('Bad command or file name'));
-}));
+    match(stderr, /SyntaxError:/);
+    ok(!stderr.includes('Bad command or file name'));
+    notStrictEqual(code, 0);
+  });
+});
diff --git a/test/es-module/test-esm-module-not-found-commonjs-hint.mjs b/test/es-module/test-esm-module-not-found-commonjs-hint.mjs
index 58f70d0b685391..51633564f81458 100644
--- a/test/es-module/test-esm-module-not-found-commonjs-hint.mjs
+++ b/test/es-module/test-esm-module-not-found-commonjs-hint.mjs
@@ -1,35 +1,34 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { fixturesDir } from '../common/fixtures.mjs';
-import { match, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { match, notStrictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-[
-  {
-    input: 'import "./print-error-message"',
-    // Did you mean to import ../print-error-message.js?
-    expected: / \.\.\/print-error-message\.js\?/,
-  },
-  {
-    input: 'import obj from "some_module/obj"',
-    expected: / some_module\/obj\.js\?/,
-  },
-].forEach(({ input, expected }) => {
-  const child = spawn(execPath, [
-    '--input-type=module',
-    '--eval',
-    input,
-  ], {
-    cwd: fixturesDir,
-  });
 
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', mustCall((code, _signal) => {
-    notStrictEqual(code, 0);
+describe('ESM: module not found hint', { concurrency: true }, () => {
+  for (
+    const { input, expected }
+    of [
+      {
+        input: 'import "./print-error-message"',
+        // Did you mean to import ../print-error-message.js?
+        expected: / \.\.\/print-error-message\.js\?/,
+      },
+      {
+        input: 'import obj from "some_module/obj"',
+        expected: / some_module\/obj\.js\?/,
+      },
+    ]
+  ) it('should cite a variant form', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--input-type=module',
+      '--eval',
+      input,
+    ], {
+      cwd: fixturesDir,
+    });
+
     match(stderr, expected);
-  }));
+    notStrictEqual(code, 0);
+  });
 });
diff --git a/test/es-module/test-esm-non-js.mjs b/test/es-module/test-esm-non-js.mjs
index 749cd0b6132086..2630d3136a42ba 100644
--- a/test/es-module/test-esm-non-js.mjs
+++ b/test/es-module/test-esm-non-js.mjs
@@ -1,23 +1,20 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { fileURL } from '../common/fixtures.mjs';
-import { match, strictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { match, strictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-// Verify non-js extensions fail for ESM
-const child = spawn(execPath, [
-  '--input-type=module',
-  '--eval',
-  `import ${JSON.stringify(fileURL('es-modules', 'file.unknown'))}`,
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
+describe('ESM: non-js extensions fail', { concurrency: true }, () => {
+  it(async () => {
+    const { code, stderr, signal } = await spawnPromisified(execPath, [
+      '--input-type=module',
+      '--eval',
+      `import ${JSON.stringify(fileURL('es-modules', 'file.unknown'))}`,
+    ]);
+
+    match(stderr, /ERR_UNKNOWN_FILE_EXTENSION/);
+    strictEqual(code, 1);
+    strictEqual(signal, null);
+  });
 });
-child.on('close', mustCall((code, signal) => {
-  strictEqual(code, 1);
-  strictEqual(signal, null);
-  match(stderr, /ERR_UNKNOWN_FILE_EXTENSION/);
-}));
diff --git a/test/es-module/test-esm-nowarn-exports.mjs b/test/es-module/test-esm-nowarn-exports.mjs
index 57d5bc58c72356..695e924e03ccbe 100644
--- a/test/es-module/test-esm-nowarn-exports.mjs
+++ b/test/es-module/test-esm-nowarn-exports.mjs
@@ -1,25 +1,19 @@
-import '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { path } from '../common/fixtures.mjs';
-import { strictEqual, ok } from 'assert';
-import { spawn } from 'child_process';
+import { strictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const child = spawn(process.execPath, [
-  '--experimental-import-meta-resolve',
-  path('/es-modules/import-resolve-exports.mjs'),
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', (code, signal) => {
-  strictEqual(code, 0);
-  strictEqual(signal, null);
-  ok(!stderr.toString().includes(
-    'ExperimentalWarning: The ESM module loader is experimental'
-  ));
-  ok(!stderr.toString().includes(
-    'ExperimentalWarning: Conditional exports'
-  ));
+describe('ESM: experiemental warning for import.meta.resolve', { concurrency: true }, () => {
+  it('should not warn when caught', async () => {
+    const { code, signal, stderr } = await spawnPromisified(execPath, [
+      '--experimental-import-meta-resolve',
+      path('es-modules/import-resolve-exports.mjs'),
+    ]);
+
+    strictEqual(stderr, '');
+    strictEqual(code, 0);
+    strictEqual(signal, null);
+  });
 });
diff --git a/test/es-module/test-esm-preserve-symlinks-main.js b/test/es-module/test-esm-preserve-symlinks-main.js
index b8fb301e02d85b..6f921f656fe22f 100644
--- a/test/es-module/test-esm-preserve-symlinks-main.js
+++ b/test/es-module/test-esm-preserve-symlinks-main.js
@@ -39,15 +39,15 @@ function doTest(flags, done) {
   // dictates that it'll resolve relative imports in the main file relative to
   // the symlink, and not relative to the symlink target; the file structure set
   // up above requires this to not crash when loading ./submodule_link.js
-  spawn(process.execPath,
-        flags.concat([
-          '--preserve-symlinks',
-          '--preserve-symlinks-main', entry_link_absolute_path,
-        ]),
-        { stdio: 'inherit' }).on('exit', (code) => {
-    assert.strictEqual(code, 0);
-    done();
-  });
+  spawn(process.execPath, [
+    '--preserve-symlinks',
+    '--preserve-symlinks-main',
+    entry_link_absolute_path,
+  ], { stdio: 'inherit' })
+    .on('exit', (code) => {
+      assert.strictEqual(code, 0);
+      done();
+    });
 }
 
 // First test the commonjs module loader
diff --git a/test/es-module/test-esm-repl-imports.js b/test/es-module/test-esm-repl-imports.js
index d2b39e05fb0588..9547824756f5ec 100644
--- a/test/es-module/test-esm-repl-imports.js
+++ b/test/es-module/test-esm-repl-imports.js
@@ -1,19 +1,28 @@
 'use strict';
+
 const { mustCall } = require('../common');
-const assert = require('assert');
 const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
+const assert = require('node:assert');
+const { spawn } = require('node:child_process');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
 
-const child = spawn(process.execPath, [
-  '--interactive',
-], {
-  cwd: fixtures.path('es-modules', 'pkgimports'),
-});
 
-child.stdin.end(
-  'try{require("#test");await import("#test")}catch{process.exit(-1)}'
-);
+describe('ESM: REPL runs', { concurrency: true }, () => {
+  it((context, done) => {
+    const child = spawn(execPath, [
+      '--interactive',
+    ], {
+      cwd: fixtures.path('es-modules', 'pkgimports'),
+    });
 
-child.on('exit', mustCall((code) => {
-  assert.strictEqual(code, 0);
-}));
+    child.stdin.end(
+      'try{require("#test");await import("#test")}catch{process.exit(-1)}'
+    );
+
+    child.on('exit', mustCall((code) => {
+      assert.strictEqual(code, 0);
+      done();
+    }));
+  });
+});
diff --git a/test/es-module/test-esm-specifiers.mjs b/test/es-module/test-esm-specifiers.mjs
index bc6125f5f94ad9..670cd93c9b0b28 100644
--- a/test/es-module/test-esm-specifiers.mjs
+++ b/test/es-module/test-esm-specifiers.mjs
@@ -1,62 +1,79 @@
-// Flags: --experimental-specifier-resolution=node
-import { mustNotCall } from '../common/index.mjs';
-import assert from 'assert';
-import path from 'path';
-import { spawn } from 'child_process';
-import { fileURLToPath } from 'url';
-
-// commonJS index.js
-import commonjs from '../fixtures/es-module-specifiers/package-type-commonjs';
-// esm index.js
-import module from '../fixtures/es-module-specifiers/package-type-module';
-// Notice the trailing slash
-import success, { explicit, implicit, implicitModule, getImplicitCommonjs }
-  from '../fixtures/es-module-specifiers/';
-
-assert.strictEqual(commonjs, 'commonjs');
-assert.strictEqual(module, 'module');
-assert.strictEqual(success, 'success');
-assert.strictEqual(explicit, 'esm');
-assert.strictEqual(implicit, 'cjs');
-assert.strictEqual(implicitModule, 'cjs');
-
-async function main() {
-  try {
-    await import('../fixtures/es-module-specifiers/do-not-exist.js');
-  } catch (e) {
-    // Files that do not exist should throw
-    assert.strictEqual(e.name, 'Error');
-  }
-  try {
-    await getImplicitCommonjs();
-  } catch (e) {
-    // Legacy loader cannot resolve .mjs automatically from main
-    assert.strictEqual(e.name, 'Error');
-  }
-}
-
-main().catch(mustNotCall);
-
-// Test path from command line arguments
-[
-  'package-type-commonjs',
-  'package-type-module',
-  '/',
-  '/index',
-].forEach((item) => {
-  const modulePath = path.join(
-    fileURLToPath(import.meta.url),
-    '../../fixtures/es-module-specifiers',
-    item,
-  );
-  [
-    '--experimental-specifier-resolution',
-    '--es-module-specifier-resolution',
-  ].forEach((option) => {
-    spawn(process.execPath,
-          [`${option}=node`, modulePath],
-          { stdio: 'inherit' }).on('exit', (code) => {
-      assert.strictEqual(code, 0);
-    });
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { match, strictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
+
+
+describe('ESM: specifier-resolution=node', { concurrency: true }, () => {
+  it(async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      '--experimental-specifier-resolution=node',
+      '--input-type=module',
+      '--eval',
+      [
+        'import { strictEqual } from "node:assert";',
+        // commonJS index.js
+        `import commonjs from ${JSON.stringify(fixtures.fileURL('es-module-specifiers/package-type-commonjs'))};`,
+        // esm index.js
+        `import module from ${JSON.stringify(fixtures.fileURL('es-module-specifiers/package-type-module'))};`,
+        // Notice the trailing slash
+        `import success, { explicit, implicit, implicitModule } from ${JSON.stringify(fixtures.fileURL('es-module-specifiers/'))};`,
+        'strictEqual(commonjs, "commonjs");',
+        'strictEqual(module, "module");',
+        'strictEqual(success, "success");',
+        'strictEqual(explicit, "esm");',
+        'strictEqual(implicit, "cjs");',
+        'strictEqual(implicitModule, "cjs");',
+      ].join('\n'),
+    ]);
+
+    strictEqual(stderr, '');
+    strictEqual(stdout, '');
+    strictEqual(code, 0);
+  });
+
+  it('should throw when the file doesn\'t exist', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-module-specifiers/do-not-exist.js'),
+    ]);
+
+    match(stderr, /Cannot find module/);
+    strictEqual(stdout, '');
+    strictEqual(code, 1);
+  });
+
+  it('should throw when the omitted file extension is .mjs (legacy loader doesn\'t support it)', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      '--experimental-specifier-resolution=node',
+      '--input-type=module',
+      '--eval',
+      `import whatever from ${JSON.stringify(fixtures.fileURL('es-module-specifiers/implicit-main-type-commonjs'))};`,
+    ]);
+
+    match(stderr, /ERR_MODULE_NOT_FOUND/);
+    strictEqual(stdout, '');
+    strictEqual(code, 1);
+  });
+
+  for (
+    const item of [
+      'package-type-commonjs',
+      'package-type-module',
+      '/',
+      '/index',
+    ]
+  ) it('should ', async () => {
+    const { code } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      '--experimental-specifier-resolution=node',
+      '--es-module-specifier-resolution=node',
+      fixtures.path('es-module-specifiers', item),
+    ]);
+
+    strictEqual(code, 0);
   });
 });
diff --git a/test/es-module/test-esm-syntax-error.mjs b/test/es-module/test-esm-syntax-error.mjs
index a8c019171717dd..de87187b069441 100644
--- a/test/es-module/test-esm-syntax-error.mjs
+++ b/test/es-module/test-esm-syntax-error.mjs
@@ -1,19 +1,16 @@
-import { mustCall } from '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import { path } from '../common/fixtures.mjs';
-import { match, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
+import { match, notStrictEqual } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-const child = spawn(execPath, [
-  path('es-module-loaders', 'syntax-error.mjs'),
-]);
 
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
+describe('ESM: importing a module with syntax error(s)', { concurrency: true }, () => {
+  it('should throw', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      path('es-module-loaders', 'syntax-error.mjs'),
+    ]);
+    match(stderr, /SyntaxError:/);
+    notStrictEqual(code, 0);
+  });
 });
-child.on('close', mustCall((code, _signal) => {
-  notStrictEqual(code, 0);
-  match(stderr, /SyntaxError:/);
-}));
diff --git a/test/es-module/test-esm-tla-unfinished.mjs b/test/es-module/test-esm-tla-unfinished.mjs
index a7b6e620d0620a..48bc4d77f42b4e 100644
--- a/test/es-module/test-esm-tla-unfinished.mjs
+++ b/test/es-module/test-esm-tla-unfinished.mjs
@@ -1,7 +1,9 @@
-import '../common/index.mjs';
-import assert from 'assert';
-import child_process from 'child_process';
+import { spawnPromisified } from '../common/index.mjs';
 import fixtures from '../common/fixtures.js';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
+
 
 const commonArgs = [
   '--no-warnings',
@@ -9,102 +11,117 @@ const commonArgs = [
   '--eval',
 ];
 
-{
-  // Unresolved TLA promise, --eval
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    [...commonArgs, 'await new Promise(() => {})'],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout, stderr], [13, '', '']);
-}
-
-{
-  // Rejected TLA promise, --eval
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    [...commonArgs, 'await Promise.reject(new Error("Xyz"))'],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout], [1, '']);
-  assert.match(stderr, /Error: Xyz/);
-}
-
-{
-  // Unresolved TLA promise with explicit exit code, --eval
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    [
+describe('ESM: unsettled and rejected promises', { concurrency: true }, () => {
+  it('should exit for an unsettled TLA promise via --eval', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      ...commonArgs,
+      'await new Promise(() => {})',
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 13);
+  });
+
+  it('should throw for a rejected TLA promise via --eval', async () => {
+    // Rejected TLA promise, --eval
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      ...commonArgs,
+      'await Promise.reject(new Error("Xyz"))',
+    ]);
+
+    assert.match(stderr, /Error: Xyz/);
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 1);
+  });
+
+  it('should exit for an unsettled TLA promise and respect explicit exit code via --eval', async () => {
+    // Rejected TLA promise, --eval
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
       ...commonArgs,
       'process.exitCode = 42;await new Promise(() => {})',
-    ],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout, stderr], [42, '', '']);
-}
-
-{
-  // Rejected TLA promise with explicit exit code, --eval
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    [
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 42);
+  });
+
+  it('should throw for a rejected TLA promise and ignore explicit exit code via --eval', async () => {
+    // Rejected TLA promise, --eval
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
       ...commonArgs,
       'process.exitCode = 42;await Promise.reject(new Error("Xyz"))',
-    ],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout], [1, '']);
-  assert.match(stderr, /Error: Xyz/);
-}
-
-{
-  // Unresolved TLA promise, module file
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    ['--no-warnings', fixtures.path('es-modules/tla/unresolved.mjs')],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout, stderr], [13, '', '']);
-}
-
-{
-  // Rejected TLA promise, module file
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    ['--no-warnings', fixtures.path('es-modules/tla/rejected.mjs')],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout], [1, '']);
-  assert.match(stderr, /Error: Xyz/);
-}
-
-{
-  // Unresolved TLA promise, module file
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    ['--no-warnings', fixtures.path('es-modules/tla/unresolved-withexitcode.mjs')],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout, stderr], [42, '', '']);
-}
-
-{
-  // Rejected TLA promise, module file
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    ['--no-warnings', fixtures.path('es-modules/tla/rejected-withexitcode.mjs')],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout], [1, '']);
-  assert.match(stderr, /Error: Xyz/);
-}
-
-{
-  // Calling process.exit() in .mjs should return status 0
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    ['--no-warnings', fixtures.path('es-modules/tla/process-exit.mjs')],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout, stderr], [0, '', '']);
-}
-
-{
-  // Calling process.exit() in worker thread shouldn't influence main thread
-  const { status, stdout, stderr } = child_process.spawnSync(
-    process.execPath,
-    ['--no-warnings', fixtures.path('es-modules/tla/unresolved-with-worker-process-exit.mjs')],
-    { encoding: 'utf8' });
-  assert.deepStrictEqual([status, stdout, stderr], [13, '', '']);
-}
+    ]);
+
+    assert.match(stderr, /Error: Xyz/);
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 1);
+  });
+
+  it('should exit for an unsettled TLA promise via stdin', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-modules/tla/unresolved.mjs'),
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 13);
+  });
+
+  it('should throw for a rejected TLA promise via stdin', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-modules/tla/rejected.mjs'),
+    ]);
+
+    assert.match(stderr, /Error: Xyz/);
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 1);
+  });
+
+  it('should exit for an unsettled TLA promise and respect explicit exit code via stdin', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-modules/tla/unresolved-withexitcode.mjs'),
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 42);
+  });
+
+  it('should throw for a rejected TLA promise and ignore explicit exit code via stdin', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-modules/tla/rejected-withexitcode.mjs'),
+    ]);
+
+    assert.match(stderr, /Error: Xyz/);
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 1);
+  });
+
+  it('should exit successfully when calling `process.exit()` in `.mjs` file', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-modules/tla/process-exit.mjs'),
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 0);
+  });
+
+  it('should be unaffected by `process.exit()` in worker thread', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      fixtures.path('es-modules/tla/unresolved-with-worker-process-exit.mjs'),
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.strictEqual(stdout, '');
+    assert.strictEqual(code, 13);
+  });
+});
diff --git a/test/es-module/test-esm-unknown-or-no-extension.js b/test/es-module/test-esm-unknown-or-no-extension.js
index 40f840ad670cf3..3f0660e5aa9225 100644
--- a/test/es-module/test-esm-unknown-or-no-extension.js
+++ b/test/es-module/test-esm-unknown-or-no-extension.js
@@ -1,40 +1,36 @@
 'use strict';
 
-const common = require('../common');
-const fixtures = require('../common/fixtures');
-const { spawn } = require('child_process');
-const assert = require('assert');
+const { spawnPromisified } = require('../common');
+const fixtures = require('../common/fixtures.js');
+const assert = require('node:assert');
+const { execPath } = require('node:process');
+const { describe, it } = require('node:test');
+
 
 // In a "type": "module" package scope, files with unknown extensions or no
 // extensions should throw; both when used as a main entry point and also when
 // referenced via `import`.
+describe('ESM: extensionless and unknown specifiers', { concurrency: true }, () => {
+  for (
+    const fixturePath of [
+      '/es-modules/package-type-module/noext-esm',
+      '/es-modules/package-type-module/imports-noext.mjs',
+      '/es-modules/package-type-module/extension.unknown',
+      '/es-modules/package-type-module/imports-unknownext.mjs',
+    ]
+  ) {
+    it('should throw', async () => {
+      const entry = fixtures.path(fixturePath);
+      const { code, signal, stderr, stdout } = await spawnPromisified(execPath, [entry]);
 
-[
-  '/es-modules/package-type-module/noext-esm',
-  '/es-modules/package-type-module/imports-noext.mjs',
-  '/es-modules/package-type-module/extension.unknown',
-  '/es-modules/package-type-module/imports-unknownext.mjs',
-].forEach((fixturePath) => {
-  const entry = fixtures.path(fixturePath);
-  const child = spawn(process.execPath, [entry]);
-  let stdout = '';
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stdout.setEncoding('utf8');
-  child.stdout.on('data', (data) => {
-    stdout += data;
-  });
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', common.mustCall((code, signal) => {
-    assert.strictEqual(code, 1);
-    assert.strictEqual(signal, null);
-    assert.strictEqual(stdout, '');
-    assert.ok(stderr.includes('ERR_UNKNOWN_FILE_EXTENSION'));
-    if (fixturePath.includes('noext')) {
-      // Check for explanation to users
-      assert.ok(stderr.includes('extensionless'));
-    }
-  }));
+      assert.strictEqual(code, 1);
+      assert.strictEqual(signal, null);
+      assert.strictEqual(stdout, '');
+      assert.ok(stderr.includes('ERR_UNKNOWN_FILE_EXTENSION'));
+      if (fixturePath.includes('noext')) {
+        // Check for explanation to users
+        assert.ok(stderr.includes('extensionless'));
+      }
+    });
+  }
 });
diff --git a/test/es-module/test-esm-wasm.mjs b/test/es-module/test-esm-wasm.mjs
index 01717c47714f6a..fac1d4b2837df0 100644
--- a/test/es-module/test-esm-wasm.mjs
+++ b/test/es-module/test-esm-wasm.mjs
@@ -1,37 +1,43 @@
-// Flags: --experimental-wasm-modules
-import '../common/index.mjs';
-import { path } from '../common/fixtures.mjs';
-import { add, addImported } from '../fixtures/es-modules/simple.wasm';
-import { state } from '../fixtures/es-modules/wasm-dep.mjs';
-import { strictEqual, ok } from 'assert';
-import { spawn } from 'child_process';
+import { spawnPromisified } from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { strictEqual, match } from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
 
-strictEqual(state, 'WASM Start Executed');
 
-strictEqual(add(10, 20), 30);
+describe('ESM: WASM modules', { concurrency: true }, () => {
+  it('should load exports', async () => {
+    const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      '--experimental-wasm-modules',
+      '--input-type=module',
+      '--eval',
+      [
+        'import { strictEqual, match } from "node:assert";',
+        `import { add, addImported } from ${JSON.stringify(fixtures.fileURL('es-modules/simple.wasm'))};`,
+        `import { state } from ${JSON.stringify(fixtures.fileURL('es-modules/wasm-dep.mjs'))};`,
+        'strictEqual(state, "WASM Start Executed");',
+        'strictEqual(add(10, 20), 30);',
+        'strictEqual(addImported(0), 42);',
+        'strictEqual(state, "WASM JS Function Executed");',
+        'strictEqual(addImported(1), 43);',
+      ].join('\n'),
+    ]);
 
-strictEqual(addImported(0), 42);
+    strictEqual(stderr, '');
+    strictEqual(stdout, '');
+    strictEqual(code, 0);
+  });
 
-strictEqual(state, 'WASM JS Function Executed');
+  it('should emit experimental warning', async () => {
+    const { code, signal, stderr } = await spawnPromisified(execPath, [
+      '--experimental-wasm-modules',
+      fixtures.path('es-modules/wasm-modules.mjs'),
+    ]);
 
-strictEqual(addImported(1), 43);
-
-// Test warning message
-const child = spawn(process.execPath, [
-  '--experimental-wasm-modules',
-  path('/es-modules/wasm-modules.mjs'),
-]);
-
-let stderr = '';
-child.stderr.setEncoding('utf8');
-child.stderr.on('data', (data) => {
-  stderr += data;
-});
-child.on('close', (code, signal) => {
-  strictEqual(code, 0);
-  strictEqual(signal, null);
-  ok(stderr.toString().includes(
-    'ExperimentalWarning: Importing WebAssembly modules is ' +
-    'an experimental feature. This feature could change at any time'
-  ));
+    strictEqual(code, 0);
+    strictEqual(signal, null);
+    match(stderr, /ExperimentalWarning/);
+    match(stderr, /WebAssembly/);
+  });
 });
diff --git a/test/es-module/test-http-imports-cli.mjs b/test/es-module/test-http-imports-cli.mjs
index 67cefd69ddd889..7deb31a288c7f7 100644
--- a/test/es-module/test-http-imports-cli.mjs
+++ b/test/es-module/test-http-imports-cli.mjs
@@ -1,48 +1,48 @@
-import { mustCall } from '../common/index.mjs';
-import { match, notStrictEqual } from 'assert';
-import { spawn } from 'child_process';
-import { execPath } from 'process';
-
-{
-  const child = spawn(execPath, [
-    '--experimental-network-imports',
-    '--input-type=module',
-    '-e',
-    'import "http://example.com"',
-  ]);
-
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
-  });
-  child.on('close', mustCall((code, _signal) => {
+import { mustCall, spawnPromisified } from '../common/index.mjs';
+import { ok, match, notStrictEqual } from 'node:assert';
+import { spawn as spawnAsync } from 'node:child_process';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
+
+
+describe('ESM: http import via CLI', { concurrency: true }, () => {
+  const disallowedSpecifier = 'http://example.com';
+
+  it('should throw disallowed error for insecure protocol', async () => {
+    const { code, stderr } = await spawnPromisified(execPath, [
+      '--experimental-network-imports',
+      '--input-type=module',
+      '--eval',
+      `import ${JSON.stringify(disallowedSpecifier)}`,
+    ]);
+
     notStrictEqual(code, 0);
 
     // [ERR_NETWORK_IMPORT_DISALLOWED]: import of 'http://example.com/' by
     //   …/[eval1] is not supported: http can only be used to load local
     // resources (use https instead).
-    match(stderr, /[ERR_NETWORK_IMPORT_DISALLOWED]/);
-  }));
-}
-{
-  const child = spawn(execPath, [
-    '--experimental-network-imports',
-    '--input-type=module',
-  ]);
-  child.stdin.end('import "http://example.com"');
-
-  let stderr = '';
-  child.stderr.setEncoding('utf8');
-  child.stderr.on('data', (data) => {
-    stderr += data;
+    match(stderr, /ERR_NETWORK_IMPORT_DISALLOWED/);
+    ok(stderr.includes(disallowedSpecifier));
   });
-  child.on('close', mustCall((code, _signal) => {
-    notStrictEqual(code, 0);
 
-    // [ERR_NETWORK_IMPORT_DISALLOWED]: import of 'http://example.com/' by
-    //   …/[stdin] is not supported: http can only be used to load local
-    // resources (use https instead).
-    match(stderr, /[ERR_NETWORK_IMPORT_DISALLOWED]/);
-  }));
-}
+  it('should throw disallowed error for insecure protocol in REPL', () => {
+    const child = spawnAsync(execPath, [
+      '--experimental-network-imports',
+      '--input-type=module',
+    ]);
+    child.stdin.end(`import ${JSON.stringify(disallowedSpecifier)}`);
+
+    let stderr = '';
+    child.stderr.setEncoding('utf8');
+    child.stderr.on('data', (data) => stderr += data);
+    child.on('close', mustCall((code, _signal) => {
+      notStrictEqual(code, 0);
+
+      // [ERR_NETWORK_IMPORT_DISALLOWED]: import of 'http://example.com/' by
+      //   …/[stdin] is not supported: http can only be used to load local
+      // resources (use https instead).
+      match(stderr, /\[ERR_NETWORK_IMPORT_DISALLOWED\]/);
+      ok(stderr.includes(disallowedSpecifier));
+    }));
+  });
+});
diff --git a/test/fixtures/es-module-loaders/assertionless-json-import.mjs b/test/fixtures/es-module-loaders/assertionless-json-import.mjs
index c5c2fadf28fb58..07656d4ec40fa3 100644
--- a/test/fixtures/es-module-loaders/assertionless-json-import.mjs
+++ b/test/fixtures/es-module-loaders/assertionless-json-import.mjs
@@ -4,14 +4,14 @@ const JSON_URL_PATTERN = /\.json(\?[^#]*)?(#.*)?$/;
 export function resolve(url, context, next) {
   // Mutation from resolve hook should be discarded.
   context.importAssertions.type = 'whatever';
-  return next(url, context);
+  return next(url);
 }
 
 export function load(url, context, next) {
-  if (context.importAssertions.type == null && 
+  if (context.importAssertions.type == null &&
       (DATA_URL_PATTERN.test(url) || JSON_URL_PATTERN.test(url))) {
     const { importAssertions } = context;
     importAssertions.type = 'json';
   }
-  return next(url, context);
+  return next(url);
 }
diff --git a/test/fixtures/es-module-loaders/builtin-named-exports-loader.mjs b/test/fixtures/es-module-loaders/builtin-named-exports-loader.mjs
index e303ec196f6c6d..8c317c1b7ce31e 100644
--- a/test/fixtures/es-module-loaders/builtin-named-exports-loader.mjs
+++ b/test/fixtures/es-module-loaders/builtin-named-exports-loader.mjs
@@ -35,7 +35,7 @@ export function load(url, context, next) {
       format: 'module',
     };
   }
-  return next(url, context);
+  return next(url);
 }
 
 function generateBuiltinModule(builtinName) {
diff --git a/test/fixtures/es-module-loaders/example-loader.mjs b/test/fixtures/es-module-loaders/example-loader.mjs
index f87054c8b70502..77d44d55f91523 100644
--- a/test/fixtures/es-module-loaders/example-loader.mjs
+++ b/test/fixtures/es-module-loaders/example-loader.mjs
@@ -8,7 +8,7 @@ const JS_EXTENSIONS = new Set(['.js', '.mjs']);
 const baseURL = new URL('file://');
 baseURL.pathname = process.cwd() + '/';
 
-export function resolve(specifier, { parentURL = baseURL }, defaultResolve) {
+export function resolve(specifier, { parentURL = baseURL }, next) {
   if (builtinModules.includes(specifier)) {
     return {
       shortCircuit: true,
@@ -17,7 +17,7 @@ export function resolve(specifier, { parentURL = baseURL }, defaultResolve) {
   }
   if (/^\.{1,2}[/]/.test(specifier) !== true && !specifier.startsWith('file:')) {
     // For node_modules support:
-    // return defaultResolve(specifier, {parentURL}, defaultResolve);
+    // return next(specifier);
     throw new Error(
       `imports must be URLs or begin with './', or '../'; '${specifier}' does not`);
   }
diff --git a/test/fixtures/es-module-loaders/hook-resolve-type.mjs b/test/fixtures/es-module-loaders/hook-resolve-type.mjs
index 5068d6265c57b2..b1f5606c0e4a0a 100644
--- a/test/fixtures/es-module-loaders/hook-resolve-type.mjs
+++ b/test/fixtures/es-module-loaders/hook-resolve-type.mjs
@@ -3,7 +3,7 @@ let importedCJS = 0;
 global.getModuleTypeStats = () => { return {importedESM, importedCJS} };
 
 export async function load(url, context, next) {
-  return next(url, context, next);
+  return next(url);
 }
 
 export async function resolve(specifier, context, next) {
diff --git a/test/fixtures/es-module-loaders/hooks-custom.mjs b/test/fixtures/es-module-loaders/hooks-custom.mjs
index 4c4014db01ef3f..65dba3535c2d95 100644
--- a/test/fixtures/es-module-loaders/hooks-custom.mjs
+++ b/test/fixtures/es-module-loaders/hooks-custom.mjs
@@ -56,10 +56,10 @@ export function load(url, context, next) {
     source: `export const message = 'Woohoo!'.toUpperCase();`,
   };
 
-  return next(url, context, next);
+  return next(url);
 }
 
-export function resolve(specifier, context, next) {
+export function resolve(specifier, { importAssertions }, next) {
   let format = '';
 
   if (specifier === 'esmHook/format.false') format = false;
@@ -70,8 +70,8 @@ export function resolve(specifier, context, next) {
     format,
     shortCircuit: true,
     url: pathToFileURL(specifier).href,
-    importAssertions: context.importAssertions,
+    importAssertions,
   };
 
-  return next(specifier, context, next);
+  return next(specifier);
 }
diff --git a/test/fixtures/es-module-loaders/hooks-obsolete.mjs b/test/fixtures/es-module-loaders/hooks-obsolete.mjs
index 9d12251923d7e9..bb10ef8ef4b29a 100644
--- a/test/fixtures/es-module-loaders/hooks-obsolete.mjs
+++ b/test/fixtures/es-module-loaders/hooks-obsolete.mjs
@@ -4,19 +4,19 @@ export function getSource() {}
 export function transformSource() {}
 
 
-export function load(url, context, next) {
-	if (url === 'whatever') return {
-		format: 'module',
-		source: '',
+export function resolve(specifier, context, next) {
+	if (specifier === 'whatever') return {
+		url: specifier,
 	};
 
-	return next(url, context, next);
+	return next(specifier);
 }
 
-export function resolve(specifier, context, next) {
-	if (specifier === 'whatever') return {
-		url: specifier,
+export function load(url, context, next) {
+	if (url === 'whatever') return {
+		format: 'module',
+		source: '',
 	};
 
-	return next(specifier, context, next);
+	return next(url);
 }
diff --git a/test/fixtures/es-module-loaders/http-loader.mjs b/test/fixtures/es-module-loaders/http-loader.mjs
index f0add5d5b419f8..8096dd9bb73a4c 100644
--- a/test/fixtures/es-module-loaders/http-loader.mjs
+++ b/test/fixtures/es-module-loaders/http-loader.mjs
@@ -15,7 +15,7 @@ export function resolve(specifier, context, nextResolve) {
     };
   }
 
-  return nextResolve(specifier, context);
+  return nextResolve(specifier);
 }
 
 export function load(url, context, nextLoad) {
@@ -36,5 +36,5 @@ export function load(url, context, nextLoad) {
     });
   }
 
-  return nextLoad(url, context);
+  return nextLoad(url);
 }
diff --git a/test/fixtures/es-module-loaders/loader-get-format.mjs b/test/fixtures/es-module-loaders/loader-get-format.mjs
deleted file mode 100644
index 7ade70fca0ebe6..00000000000000
--- a/test/fixtures/es-module-loaders/loader-get-format.mjs
+++ /dev/null
@@ -1,10 +0,0 @@
-export async function getFormat(url, context, defaultGetFormat) {
-  try {
-    if (new URL(url).pathname.endsWith('.unknown')) {
-      return {
-        format: 'module'
-      };
-    }
-  } catch {}
-  return defaultGetFormat(url, context, defaultGetFormat);
-}
diff --git a/test/fixtures/es-module-loaders/loader-invalid-format.mjs b/test/fixtures/es-module-loaders/loader-invalid-format.mjs
index 438d50dacba433..e7dd06c108ba1d 100644
--- a/test/fixtures/es-module-loaders/loader-invalid-format.mjs
+++ b/test/fixtures/es-module-loaders/loader-invalid-format.mjs
@@ -1,11 +1,11 @@
-export async function resolve(specifier, { parentURL, importAssertions }, defaultResolve) {
+export async function resolve(specifier, { parentURL, importAssertions }, next) {
   if (parentURL && specifier === '../fixtures/es-modules/test-esm-ok.mjs') {
     return {
       shortCircuit: true,
       url: 'file:///asdf',
     };
   }
-  return defaultResolve(specifier, {parentURL, importAssertions}, defaultResolve);
+  return next(specifier);
 }
 
 export async function load(url, context, next) {
@@ -16,5 +16,5 @@ export async function load(url, context, next) {
       source: '',
     }
   }
-  return next(url, context, next);
+  return next(url);
 }
diff --git a/test/fixtures/es-module-loaders/loader-invalid-url.mjs b/test/fixtures/es-module-loaders/loader-invalid-url.mjs
index 87d1a6a564b461..a54f39521f29ac 100644
--- a/test/fixtures/es-module-loaders/loader-invalid-url.mjs
+++ b/test/fixtures/es-module-loaders/loader-invalid-url.mjs
@@ -1,4 +1,4 @@
-export async function resolve(specifier, { parentURL, importAssertions }, defaultResolve) {
+export async function resolve(specifier, { parentURL, importAssertions }, next) {
   if (parentURL && specifier === '../fixtures/es-modules/test-esm-ok.mjs') {
     return {
       shortCircuit: true,
@@ -6,5 +6,5 @@ export async function resolve(specifier, { parentURL, importAssertions }, defaul
       importAssertions,
     };
   }
-  return defaultResolve(specifier, {parentURL, importAssertions}, defaultResolve);
+  return next(specifier);
 }
diff --git a/test/fixtures/es-module-loaders/loader-load-bad-next-url.mjs b/test/fixtures/es-module-loaders/loader-load-bad-next-url.mjs
index 4f53b695327dd1..c6a4c7504d43e5 100644
--- a/test/fixtures/es-module-loaders/loader-load-bad-next-url.mjs
+++ b/test/fixtures/es-module-loaders/loader-load-bad-next-url.mjs
@@ -1,3 +1,3 @@
 export async function load(url, context, next) {
-  return next([], context);
+  return next([]);
 }
diff --git a/test/fixtures/es-module-loaders/loader-load-impersonating-next-url.mjs b/test/fixtures/es-module-loaders/loader-load-impersonating-next-url.mjs
index f98b091c8b9ff5..1028e093e46819 100644
--- a/test/fixtures/es-module-loaders/loader-load-impersonating-next-url.mjs
+++ b/test/fixtures/es-module-loaders/loader-load-impersonating-next-url.mjs
@@ -1,3 +1,3 @@
 export async function load(url, context, next) {
-  return next('not/a/url', context);
+  return next('not/a/url');
 }
diff --git a/test/fixtures/es-module-loaders/loader-load-next-modified.mjs b/test/fixtures/es-module-loaders/loader-load-next-modified.mjs
index 1f2382467f7122..401b52971311a7 100644
--- a/test/fixtures/es-module-loaders/loader-load-next-modified.mjs
+++ b/test/fixtures/es-module-loaders/loader-load-next-modified.mjs
@@ -2,7 +2,7 @@ export async function load(url, context, next) {
   const {
     format,
     source,
-  } = await next(url, context);
+  } = await next(url);
 
   return {
     format,
diff --git a/test/fixtures/es-module-loaders/loader-load-passthru.mjs b/test/fixtures/es-module-loaders/loader-load-passthru.mjs
index 8cfbcb6a3a5d0b..0de06142007562 100644
--- a/test/fixtures/es-module-loaders/loader-load-passthru.mjs
+++ b/test/fixtures/es-module-loaders/loader-load-passthru.mjs
@@ -1,4 +1,4 @@
 export async function load(url, context, next) {
   console.log('load passthru'); // This log is deliberate
-  return next(url, context);
+  return next(url);
 }
diff --git a/test/fixtures/es-module-loaders/loader-resolve-bad-next-specifier.mjs b/test/fixtures/es-module-loaders/loader-resolve-bad-next-specifier.mjs
index a23785d3d956db..66c941754f90cc 100644
--- a/test/fixtures/es-module-loaders/loader-resolve-bad-next-specifier.mjs
+++ b/test/fixtures/es-module-loaders/loader-resolve-bad-next-specifier.mjs
@@ -1,3 +1,3 @@
 export async function resolve(specifier, context, next) {
-  return next([], context);
+  return next([]);
 }
diff --git a/test/fixtures/es-module-loaders/loader-resolve-foo.mjs b/test/fixtures/es-module-loaders/loader-resolve-foo.mjs
index 595385e12a0cf7..7d23d6c49088c9 100644
--- a/test/fixtures/es-module-loaders/loader-resolve-foo.mjs
+++ b/test/fixtures/es-module-loaders/loader-resolve-foo.mjs
@@ -1,4 +1,4 @@
 export async function resolve(specifier, context, next) {
   console.log('resolve foo'); // This log is deliberate
-  return next('file:///foo.mjs', context);
+  return next('file:///foo.mjs');
 }
diff --git a/test/fixtures/es-module-loaders/loader-resolve-multiple-next-calls.mjs b/test/fixtures/es-module-loaders/loader-resolve-multiple-next-calls.mjs
index 88d333c2404a3c..91dbec251edeba 100644
--- a/test/fixtures/es-module-loaders/loader-resolve-multiple-next-calls.mjs
+++ b/test/fixtures/es-module-loaders/loader-resolve-multiple-next-calls.mjs
@@ -1,6 +1,6 @@
 export async function resolve(specifier, context, next) {
-  const { url: first } = await next(specifier, context);
-  const { url: second } = await next(specifier, context);
+  const { url: first } = await next(specifier);
+  const { url: second } = await next(specifier);
 
   return {
     format: 'module',
diff --git a/test/fixtures/es-module-loaders/loader-resolve-passthru.mjs b/test/fixtures/es-module-loaders/loader-resolve-passthru.mjs
index 1a373bab90ba57..3db5b21bb98793 100644
--- a/test/fixtures/es-module-loaders/loader-resolve-passthru.mjs
+++ b/test/fixtures/es-module-loaders/loader-resolve-passthru.mjs
@@ -1,4 +1,4 @@
 export async function resolve(specifier, context, next) {
   console.log('resolve passthru'); // This log is deliberate
-  return next(specifier, context);
+  return next(specifier);
 }
diff --git a/test/fixtures/es-module-loaders/loader-shared-dep.mjs b/test/fixtures/es-module-loaders/loader-shared-dep.mjs
index 387575794c00dc..d41c1ae403399e 100644
--- a/test/fixtures/es-module-loaders/loader-shared-dep.mjs
+++ b/test/fixtures/es-module-loaders/loader-shared-dep.mjs
@@ -5,7 +5,7 @@ import { createRequire } from '../../common/index.mjs';
 const require = createRequire(import.meta.url);
 const dep = require('./loader-dep.js');
 
-export function resolve(specifier, { parentURL, importAssertions }, defaultResolve) {
+export function resolve(specifier, context, next) {
   assert.strictEqual(dep.format, 'module');
-  return defaultResolve(specifier, { parentURL, importAssertions }, defaultResolve);
+  return next(specifier);
 }
diff --git a/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs b/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
index 1063f8dfd65f2f..65e1adf909d0bc 100644
--- a/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
+++ b/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
@@ -3,5 +3,5 @@ export function resolve(specifier, context, next) {
     url: 'node:unknown-builtin-module'
   };
 
-  return next(specifier, context, next);
+  return next(specifier);
 }
diff --git a/test/fixtures/es-module-loaders/missing-dynamic-instantiate-hook.mjs b/test/fixtures/es-module-loaders/missing-dynamic-instantiate-hook.mjs
index ec15eb0bb8fc24..5d61d81bc31ed5 100644
--- a/test/fixtures/es-module-loaders/missing-dynamic-instantiate-hook.mjs
+++ b/test/fixtures/es-module-loaders/missing-dynamic-instantiate-hook.mjs
@@ -1,10 +1,10 @@
-export function resolve(specifier, { parentURL }, defaultResolve) {
+export function resolve(specifier, context, next) {
   if (specifier === 'test') {
     return {
       url: 'file://'
     };
   }
-  return defaultResolve(specifier, {parentURL}, defaultResolve);
+  return next(specifier);
 }
 
 export function getFormat(url, context, defaultGetFormat) {
diff --git a/test/fixtures/es-module-loaders/not-found-assert-loader.mjs b/test/fixtures/es-module-loaders/not-found-assert-loader.mjs
index 5213ddedb34e8d..ea4c73724298db 100644
--- a/test/fixtures/es-module-loaders/not-found-assert-loader.mjs
+++ b/test/fixtures/es-module-loaders/not-found-assert-loader.mjs
@@ -1,15 +1,15 @@
-import assert from 'assert';
+import assert from 'node:assert';
 
 // a loader that asserts that the defaultResolve will throw "not found"
 // (skipping the top-level main of course)
 let mainLoad = true;
-export async function resolve(specifier, { parentURL, importAssertions }, defaultResolve) {
+export async function resolve(specifier, { importAssertions }, next) {
   if (mainLoad) {
     mainLoad = false;
-    return defaultResolve(specifier, {parentURL, importAssertions}, defaultResolve);
+    return next(specifier);
   }
   try {
-    await defaultResolve(specifier, {parentURL, importAssertions}, defaultResolve);
+    await next(specifier);
   }
   catch (e) {
     assert.strictEqual(e.code, 'ERR_MODULE_NOT_FOUND');
diff --git a/test/fixtures/es-module-loaders/string-sources.mjs b/test/fixtures/es-module-loaders/string-sources.mjs
index 1fc2b7a8d6f7e3..396d17cb17a75c 100644
--- a/test/fixtures/es-module-loaders/string-sources.mjs
+++ b/test/fixtures/es-module-loaders/string-sources.mjs
@@ -28,7 +28,7 @@ export function resolve(specifier, context, next) {
       url: specifier,
     };
   }
-  return next(specifier, context);
+  return next(specifier);
 }
 
 export function load(href, context, next) {
@@ -39,5 +39,5 @@ export function load(href, context, next) {
       source: SOURCES[href],
     };
   }
-  return next(href, context);
+  return next(href);
 }

From 0b909a446c5f96468b0059bb8b05bd3467dff2fd Mon Sep 17 00:00:00 2001
From: theanarkh 
Date: Fri, 29 Jul 2022 17:00:38 +0800
Subject: [PATCH 029/147] http: make idle http parser count configurable

PR-URL: https://github.com/nodejs/node/pull/43974
Reviewed-By: Paolo Insogna 
Reviewed-By: Matteo Collina 
Reviewed-By: Feng Yu 
---
 doc/api/http.md                               | 10 ++++++++++
 lib/http.js                                   |  9 +++++++--
 .../test-http-set-max-idle-http-parser.js     | 19 +++++++++++++++++++
 3 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 test/parallel/test-http-set-max-idle-http-parser.js

diff --git a/doc/api/http.md b/doc/api/http.md
index 1b85a79e9771ca..59453490f36bac 100644
--- a/doc/api/http.md
+++ b/doc/api/http.md
@@ -3615,6 +3615,16 @@ try {
 }
 ```
 
+## `http.setMaxIdleHTTPParsers`
+
+
+
+* {number}
+
+Set the maximum number of idle HTTP parsers. **Default:** `1000`.
+
 [RFC 8187]: https://www.rfc-editor.org/rfc/rfc8187.txt
 [`'checkContinue'`]: #event-checkcontinue
 [`'finish'`]: #event-finish
diff --git a/lib/http.js b/lib/http.js
index 1366656e42eb94..d7acafe4f317b8 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -27,9 +27,10 @@ const {
   ObjectDefineProperty,
 } = primordials;
 
+const { validateInteger } = require('internal/validators');
 const httpAgent = require('_http_agent');
 const { ClientRequest } = require('_http_client');
-const { methods } = require('_http_common');
+const { methods, parsers } = require('_http_common');
 const { IncomingMessage } = require('_http_incoming');
 const {
   validateHeaderName,
@@ -123,7 +124,11 @@ module.exports = {
   validateHeaderName,
   validateHeaderValue,
   get,
-  request
+  request,
+  setMaxIdleHTTPParsers(max) {
+    validateInteger(max, 'max', 1);
+    parsers.max = max;
+  }
 };
 
 ObjectDefineProperty(module.exports, 'maxHeaderSize', {
diff --git a/test/parallel/test-http-set-max-idle-http-parser.js b/test/parallel/test-http-set-max-idle-http-parser.js
new file mode 100644
index 00000000000000..d935823a1ba946
--- /dev/null
+++ b/test/parallel/test-http-set-max-idle-http-parser.js
@@ -0,0 +1,19 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+const httpCommon = require('_http_common');
+const http = require('http');
+
+[Symbol(), {}, [], () => {}, 1n, true, '1', null, undefined].forEach((value) => {
+  assert.throws(() => http.setMaxIdleHTTPParsers(value), { code: 'ERR_INVALID_ARG_TYPE' });
+});
+
+[-1, -Infinity, NaN, 0, 1.1].forEach((value) => {
+  assert.throws(() => http.setMaxIdleHTTPParsers(value), { code: 'ERR_OUT_OF_RANGE' });
+});
+
+[1, Number.MAX_SAFE_INTEGER].forEach((value) => {
+  assert.notStrictEqual(httpCommon.parsers.max, value);
+  http.setMaxIdleHTTPParsers(value);
+  assert.strictEqual(httpCommon.parsers.max, value);
+});

From 40ef04c74053e071381068926f5bab4a016b15be Mon Sep 17 00:00:00 2001
From: Daeyeon Jeong 
Date: Fri, 29 Jul 2022 18:09:34 +0900
Subject: [PATCH 030/147] src,fs: refactor duplicated code in fs.readdir

`AfterScanDirWithTypes` is almost same as `AfterScanDir` except for
handling the `with file types` option. This merges the two functions
into one.

Signed-off-by: Daeyeon Jeong daeyeon.dev@gmail.com

PR-URL: https://github.com/nodejs/node/pull/43204
Reviewed-By: Feng Yu 
---
 src/node_file.cc | 82 +++++++++++++++---------------------------------
 src/node_file.h  |  3 ++
 2 files changed, 28 insertions(+), 57 deletions(-)

diff --git a/src/node_file.cc b/src/node_file.cc
index 5a3e54669049fb..a010479cd71c56 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -777,43 +777,6 @@ void AfterScanDir(uv_fs_t* req) {
   FSReqBase* req_wrap = FSReqBase::from_req(req);
   FSReqAfterScope after(req_wrap, req);
 
-  if (!after.Proceed()) {
-    return;
-  }
-  Environment* env = req_wrap->env();
-  Local error;
-  int r;
-  std::vector> name_v;
-
-  for (;;) {
-    uv_dirent_t ent;
-
-    r = uv_fs_scandir_next(req, &ent);
-    if (r == UV_EOF)
-      break;
-    if (r != 0) {
-      return req_wrap->Reject(UVException(
-          env->isolate(), r, nullptr, req_wrap->syscall(), req->path));
-    }
-
-    MaybeLocal filename =
-      StringBytes::Encode(env->isolate(),
-          ent.name,
-          req_wrap->encoding(),
-          &error);
-    if (filename.IsEmpty())
-      return req_wrap->Reject(error);
-
-    name_v.push_back(filename.ToLocalChecked());
-  }
-
-  req_wrap->Resolve(Array::New(env->isolate(), name_v.data(), name_v.size()));
-}
-
-void AfterScanDirWithTypes(uv_fs_t* req) {
-  FSReqBase* req_wrap = FSReqBase::from_req(req);
-  FSReqAfterScope after(req_wrap, req);
-
   if (!after.Proceed()) {
     return;
   }
@@ -826,6 +789,8 @@ void AfterScanDirWithTypes(uv_fs_t* req) {
   std::vector> name_v;
   std::vector> type_v;
 
+  const bool with_file_types = req_wrap->with_file_types();
+
   for (;;) {
     uv_dirent_t ent;
 
@@ -837,23 +802,23 @@ void AfterScanDirWithTypes(uv_fs_t* req) {
           UVException(isolate, r, nullptr, req_wrap->syscall(), req->path));
     }
 
-    MaybeLocal filename =
-      StringBytes::Encode(isolate,
-          ent.name,
-          req_wrap->encoding(),
-          &error);
-    if (filename.IsEmpty())
+    Local filename;
+    if (!StringBytes::Encode(isolate, ent.name, req_wrap->encoding(), &error)
+             .ToLocal(&filename)) {
       return req_wrap->Reject(error);
+    }
+    name_v.push_back(filename);
 
-    name_v.push_back(filename.ToLocalChecked());
-    type_v.emplace_back(Integer::New(isolate, ent.type));
+    if (with_file_types) type_v.emplace_back(Integer::New(isolate, ent.type));
   }
 
-  Local result[] = {
-    Array::New(isolate, name_v.data(), name_v.size()),
-    Array::New(isolate, type_v.data(), type_v.size())
-  };
-  req_wrap->Resolve(Array::New(isolate, result, arraysize(result)));
+  if (with_file_types) {
+    Local result[] = {Array::New(isolate, name_v.data(), name_v.size()),
+                             Array::New(isolate, type_v.data(), type_v.size())};
+    req_wrap->Resolve(Array::New(isolate, result, arraysize(result)));
+  } else {
+    req_wrap->Resolve(Array::New(isolate, name_v.data(), name_v.size()));
+  }
 }
 
 void Access(const FunctionCallbackInfo& args) {
@@ -1650,13 +1615,16 @@ static void ReadDir(const FunctionCallbackInfo& args) {
 
   FSReqBase* req_wrap_async = GetReqWrap(args, 3);
   if (req_wrap_async != nullptr) {  // readdir(path, encoding, withTypes, req)
-    if (with_types) {
-      AsyncCall(env, req_wrap_async, args, "scandir", encoding,
-                AfterScanDirWithTypes, uv_fs_scandir, *path, 0 /*flags*/);
-    } else {
-      AsyncCall(env, req_wrap_async, args, "scandir", encoding,
-                AfterScanDir, uv_fs_scandir, *path, 0 /*flags*/);
-    }
+    req_wrap_async->set_with_file_types(with_types);
+    AsyncCall(env,
+              req_wrap_async,
+              args,
+              "scandir",
+              encoding,
+              AfterScanDir,
+              uv_fs_scandir,
+              *path,
+              0 /*flags*/);
   } else {  // readdir(path, encoding, withTypes, undefined, ctx)
     CHECK_EQ(argc, 5);
     FSReqWrapSync req_wrap_sync;
diff --git a/src/node_file.h b/src/node_file.h
index 9d2834fa2673d6..45a1ad2e6ebaf4 100644
--- a/src/node_file.h
+++ b/src/node_file.h
@@ -89,8 +89,10 @@ class FSReqBase : public ReqWrap {
   enum encoding encoding() const { return encoding_; }
   bool use_bigint() const { return use_bigint_; }
   bool is_plain_open() const { return is_plain_open_; }
+  bool with_file_types() const { return with_file_types_; }
 
   void set_is_plain_open(bool value) { is_plain_open_ = value; }
+  void set_with_file_types(bool value) { with_file_types_ = value; }
 
   FSContinuationData* continuation_data() const {
     return continuation_data_.get();
@@ -116,6 +118,7 @@ class FSReqBase : public ReqWrap {
   bool has_data_ = false;
   bool use_bigint_ = false;
   bool is_plain_open_ = false;
+  bool with_file_types_ = false;
   const char* syscall_ = nullptr;
 
   BaseObjectPtr binding_data_;

From c4e8f951f328101a6f2831c6d2b27e6376f35ea2 Mon Sep 17 00:00:00 2001
From: NicoNekoru <66227158+NicoNekoru@users.noreply.github.com>
Date: Wed, 27 Jul 2022 10:31:00 -0600
Subject: [PATCH 031/147] meta: shorten PowerShell snippet for bug-report
 template
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44011
Reviewed-By: Tobias Nießen 
Reviewed-By: Michaël Zasso 
Reviewed-By: Feng Yu 
---
 .github/ISSUE_TEMPLATE/1-bug-report.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/ISSUE_TEMPLATE/1-bug-report.yml b/.github/ISSUE_TEMPLATE/1-bug-report.yml
index 3edac8d807d905..c40644bfc6d9ba 100644
--- a/.github/ISSUE_TEMPLATE/1-bug-report.yml
+++ b/.github/ISSUE_TEMPLATE/1-bug-report.yml
@@ -19,7 +19,7 @@ body:
       label: Platform
       description: |
         UNIX: output of `uname -a`
-        Windows: output of `"$([Environment]::OSVersion | ForEach-Object VersionString) $(if ([Environment]::Is64BitOperatingSystem) { "x64" } else { "x86" })"` in PowerShell console
+        Windows: output of `"$([Environment]::OSVersion.VersionString) $(('x86', 'x64')[[Environment]::Is64BitOperatingSystem])"` in PowerShell console
   - type: input
     attributes:
       label: Subsystem

From 6343e1d110ef187639ef117f7f2455b57227f18c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= 
Date: Thu, 28 Jul 2022 08:12:54 +0000
Subject: [PATCH 032/147] src: fix bug in GetErrorSource()

Refs: https://github.com/nodejs/node/pull/43875

PR-URL: https://github.com/nodejs/node/pull/44019
Reviewed-By: Ben Noordhuis 
Reviewed-By: Richard Lau 
Reviewed-By: Chengzhong Wu 
Reviewed-By: Feng Yu 
---
 src/node_errors.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node_errors.cc b/src/node_errors.cc
index d529cf8b6c69d0..63c6ea09d59152 100644
--- a/src/node_errors.cc
+++ b/src/node_errors.cc
@@ -105,7 +105,7 @@ static std::string GetErrorSource(Isolate* isolate,
   if (has_source_map_url && env != nullptr && env->source_maps_enabled()) {
     std::string source = GetSourceMapErrorSource(
         isolate, context, message, added_exception_line);
-    return added_exception_line ? source : sourceline;
+    return *added_exception_line ? source : sourceline;
   }
 
   // Because of how node modules work, all scripts are wrapped with a

From 9fd426231ddffbff14a889a9f67340aba5ab3637 Mon Sep 17 00:00:00 2001
From: Keeley Hammond 
Date: Sat, 30 Jul 2022 06:49:03 -0700
Subject: [PATCH 033/147] doc: claim ABI version for Electron 21
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44034
Reviewed-By: Michaël Zasso 
Reviewed-By: Joyee Cheung 
Reviewed-By: Darshan Sen 
Reviewed-By: Tobias Nießen 
Reviewed-By: Richard Lau 
Reviewed-By: Luigi Pinca 
---
 doc/abi_version_registry.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/abi_version_registry.json b/doc/abi_version_registry.json
index 0ed54e8e717fe5..b2778a83bf954c 100644
--- a/doc/abi_version_registry.json
+++ b/doc/abi_version_registry.json
@@ -1,5 +1,6 @@
 {
   "NODE_MODULE_VERSION": [
+    { "modules": 109,"runtime": "electron", "variant": "electron",             "versions": "21" },
     { "modules": 108,"runtime": "node",     "variant": "v8_10.1",              "versions": "18.0.0" },
     { "modules": 107,"runtime": "electron", "variant": "electron",             "versions": "20" },
     { "modules": 106,"runtime": "electron", "variant": "electron",             "versions": "19" },

From dd34dd934d7a8a9c61840c347e63f2aa4fe47221 Mon Sep 17 00:00:00 2001
From: Antoine du Hamel 
Date: Sat, 30 Jul 2022 17:11:50 +0200
Subject: [PATCH 034/147] doc: fix code examples in `crypto.md`
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44053
Reviewed-By: Tobias Nießen 
Reviewed-By: Mestery 
Reviewed-By: Feng Yu 
---
 doc/api/crypto.md | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index ce12d9472dc57f..59e07505d4a36e 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -395,11 +395,11 @@ Example: Using `Cipher` and piped streams:
 import {
   createReadStream,
   createWriteStream,
-} from 'fs';
+} from 'node:fs';
 
 import {
   pipeline
-} from 'stream';
+} from 'node:stream';
 
 const {
   scrypt,
@@ -675,6 +675,7 @@ const decipher = createDecipheriv(algorithm, key, iv);
 
 let decrypted = '';
 decipher.on('readable', () => {
+  let chunk;
   while (null !== (chunk = decipher.read())) {
     decrypted += chunk.toString('utf8');
   }
@@ -711,6 +712,7 @@ const decipher = createDecipheriv(algorithm, key, iv);
 
 let decrypted = '';
 decipher.on('readable', () => {
+  let chunk;
   while (null !== (chunk = decipher.read())) {
     decrypted += chunk.toString('utf8');
   }
@@ -733,7 +735,7 @@ Example: Using `Decipher` and piped streams:
 import {
   createReadStream,
   createWriteStream,
-} from 'fs';
+} from 'node:fs';
 import { Buffer } from 'node:buffer';
 const {
   scryptSync,
@@ -3305,7 +3307,7 @@ Example: generating the sha256 sum of a file
 ```mjs
 import {
   createReadStream
-} from 'fs';
+} from 'node:fs';
 import { argv } from 'node:process';
 const {
   createHash
@@ -3391,7 +3393,7 @@ Example: generating the sha256 HMAC of a file
 ```mjs
 import {
   createReadStream
-} from 'fs';
+} from 'node:fs';
 import { argv } from 'node:process';
 const {
   createHmac

From d8a03cce3603d6bc4443f62b4c7445ed0769cbca Mon Sep 17 00:00:00 2001
From: Moshe Atlow 
Date: Thu, 30 Jun 2022 10:14:35 +0300
Subject: [PATCH 035/147] test_runner: add before/after/each hooks

PR-URL: https://github.com/nodejs/node/pull/43730
Fixes: https://github.com/nodejs/node/issues/43403
Reviewed-By: Benjamin Gruenbaum 
---
 doc/api/test.md                         | 194 ++++++++++++++++++++
 lib/internal/test_runner/harness.js     |  11 ++
 lib/internal/test_runner/test.js        | 147 ++++++++++++---
 lib/internal/test_runner/utils.js       |   6 +
 lib/test.js                             |   6 +-
 test/message/test_runner_describe_it.js |   6 +-
 test/message/test_runner_hooks.js       | 111 ++++++++++++
 test/message/test_runner_hooks.out      | 229 ++++++++++++++++++++++++
 8 files changed, 680 insertions(+), 30 deletions(-)
 create mode 100644 test/message/test_runner_hooks.js
 create mode 100644 test/message/test_runner_hooks.out

diff --git a/doc/api/test.md b/doc/api/test.md
index 63591482758d65..159de179ab96d5 100644
--- a/doc/api/test.md
+++ b/doc/api/test.md
@@ -446,6 +446,120 @@ same as [`it([name], { skip: true }[, fn])`][it options].
 Shorthand for marking a test as `TODO`,
 same as [`it([name], { todo: true }[, fn])`][it options].
 
+### `before([, fn][, options])`
+
+
+
+* `fn` {Function|AsyncFunction} The hook function.
+  If the hook uses callbacks,
+  the callback function is passed as the second argument. **Default:** A no-op
+  function.
+* `options` {Object} Configuration options for the hook. The following
+  properties are supported:
+  * `signal` {AbortSignal} Allows aborting an in-progress hook
+  * `timeout` {number} A number of milliseconds the hook will fail after.
+    If unspecified, subtests inherit this value from their parent.
+    **Default:** `Infinity`.
+
+This function is used to create a hook running before running a suite.
+
+```js
+describe('tests', async () => {
+  before(() => console.log('about to run some test'));
+  it('is a subtest', () => {
+    assert.ok('some relevant assertion here');
+  });
+});
+```
+
+### `after([, fn][, options])`
+
+
+
+* `fn` {Function|AsyncFunction} The hook function.
+  If the hook uses callbacks,
+  the callback function is passed as the second argument. **Default:** A no-op
+  function.
+* `options` {Object} Configuration options for the hook. The following
+  properties are supported:
+  * `signal` {AbortSignal} Allows aborting an in-progress hook
+  * `timeout` {number} A number of milliseconds the hook will fail after.
+    If unspecified, subtests inherit this value from their parent.
+    **Default:** `Infinity`.
+
+This function is used to create a hook running after  running a suite.
+
+```js
+describe('tests', async () => {
+  after(() => console.log('finished running tests'));
+  it('is a subtest', () => {
+    assert.ok('some relevant assertion here');
+  });
+});
+```
+
+### `beforeEach([, fn][, options])`
+
+
+
+* `fn` {Function|AsyncFunction} The hook function.
+  If the hook uses callbacks,
+  the callback function is passed as the second argument. **Default:** A no-op
+  function.
+* `options` {Object} Configuration options for the hook. The following
+  properties are supported:
+  * `signal` {AbortSignal} Allows aborting an in-progress hook
+  * `timeout` {number} A number of milliseconds the hook will fail after.
+    If unspecified, subtests inherit this value from their parent.
+    **Default:** `Infinity`.
+
+This function is used to create a hook running
+before each subtest of the current suite.
+
+```js
+describe('tests', async () => {
+  beforeEach(() => t.diagnostics('about to run a test'));
+  it('is a subtest', () => {
+    assert.ok('some relevant assertion here');
+  });
+});
+```
+
+### `afterEach([, fn][, options])`
+
+
+
+* `fn` {Function|AsyncFunction} The hook function.
+  If the hook uses callbacks,
+  the callback function is passed as the second argument. **Default:** A no-op
+  function.
+* `options` {Object} Configuration options for the hook. The following
+  properties are supported:
+  * `signal` {AbortSignal} Allows aborting an in-progress hook
+  * `timeout` {number} A number of milliseconds the hook will fail after.
+    If unspecified, subtests inherit this value from their parent.
+    **Default:** `Infinity`.
+
+This function is used to create a hook running
+after each subtest of the current test.
+
+```js
+describe('tests', async () => {
+  afterEach(() => t.diagnostics('about to run a test'));
+  it('is a subtest', () => {
+    assert.ok('some relevant assertion here');
+  });
+});
+```
+
 ## Class: `TestContext`
 
 
+
+* `fn` {Function|AsyncFunction} The hook function. The first argument
+  to this function is a [`TestContext`][] object. If the hook uses callbacks,
+  the callback function is passed as the second argument. **Default:** A no-op
+  function.
+* `options` {Object} Configuration options for the hook. The following
+  properties are supported:
+  * `signal` {AbortSignal} Allows aborting an in-progress hook
+  * `timeout` {number} A number of milliseconds the hook will fail after.
+    If unspecified, subtests inherit this value from their parent.
+    **Default:** `Infinity`.
+
+This function is used to create a hook running
+before each subtest of the current test.
+
+```js
+test('top level test', async (t) => {
+  t.beforeEach((t) => t.diagnostics(`about to run ${t.name}`));
+  await t.test(
+    'This is a subtest',
+    (t) => {
+      assert.ok('some relevant assertion here');
+    }
+  );
+});
+```
+
+### `context.afterEach([, fn][, options])`
+
+
+
+* `fn` {Function|AsyncFunction} The hook function. The first argument
+  to this function is a [`TestContext`][] object. If the hook uses callbacks,
+  the callback function is passed as the second argument. **Default:** A no-op
+  function.
+* `options` {Object} Configuration options for the hook. The following
+  properties are supported:
+  * `signal` {AbortSignal} Allows aborting an in-progress hook
+  * `timeout` {number} A number of milliseconds the hook will fail after.
+    If unspecified, subtests inherit this value from their parent.
+    **Default:** `Infinity`.
+
+This function is used to create a hook running
+after each subtest of the current test.
+
+```js
+test('top level test', async (t) => {
+  t.afterEach((t) => t.diagnostics(`finished running ${t.name}`));
+  await t.test(
+    'This is a subtest',
+    (t) => {
+      assert.ok('some relevant assertion here');
+    }
+  );
+});
+```
+
 ### `context.diagnostic(message)`
 
 
+
+The name of the test
+
 ### `context.runOnly(shouldRunOnlyTests)`
 
 
+
+The name of the suite
+
 ### `context.signal`
 
 
 
-The name of the test
+The name of the test.
 
 ### `context.runOnly(shouldRunOnlyTests)`
 
@@ -809,7 +809,7 @@ exposed as part of the API.
 added: REPLACEME
 -->
 
-The name of the suite
+The name of the suite.
 
 ### `context.signal`
 

From 273c53247c4307cf3d2d3f36b25e1e71885c30d3 Mon Sep 17 00:00:00 2001
From: Rich Trott 
Date: Sun, 31 Jul 2022 10:16:01 -0700
Subject: [PATCH 044/147] build: skip test-internet run on forks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Do not run test-internet scheduled GitHub Action on forks.

PR-URL: https://github.com/nodejs/node/pull/44054
Reviewed-By: Antoine du Hamel 
Reviewed-By: Juan José Arboleda 
Reviewed-By: Michaël Zasso 
Reviewed-By: Darshan Sen 
---
 .github/workflows/test-internet.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/test-internet.yml b/.github/workflows/test-internet.yml
index 4fcb18a14f5ce9..85d037c9bee5eb 100644
--- a/.github/workflows/test-internet.yml
+++ b/.github/workflows/test-internet.yml
@@ -29,6 +29,7 @@ permissions:
 
 jobs:
   test-internet:
+    if: github.repository == 'nodejs/node'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

From 6a4e99bc1fc20c2aa5b48e607319b147bb1711ee Mon Sep 17 00:00:00 2001
From: Daeyeon Jeong 
Date: Mon, 1 Aug 2022 15:37:45 +0900
Subject: [PATCH 045/147] net,tls: pass a valid socket on `tlsClientError`

On the 'tlsClientError' event, the `tlsSocket` instance is passed as
`closed` status. Thus, users can't get information such as `remote
address`, `remoteFamily`, and so on.

This adds a flag to close a socket after emitting an `error` event.

Signed-off-by: Daeyeon Jeong daeyeon.dev@gmail.com
PR-URL: https://github.com/nodejs/node/pull/44021
Fixes: https://github.com/nodejs/node/issues/43963
Reviewed-By: Paolo Insogna 
Reviewed-By: Matteo Collina 
---
 lib/_tls_wrap.js                        |  4 +++
 lib/net.js                              | 33 +++++++++++++++++++------
 test/internet/test-https-issue-43963.js | 31 +++++++++++++++++++++++
 3 files changed, 61 insertions(+), 7 deletions(-)
 create mode 100644 test/internet/test-https-issue-43963.js

diff --git a/lib/_tls_wrap.js b/lib/_tls_wrap.js
index 50157e4fcd3e9d..11ff14d725b36b 100644
--- a/lib/_tls_wrap.js
+++ b/lib/_tls_wrap.js
@@ -423,6 +423,10 @@ function onerror(err) {
   if (!owner._secureEstablished) {
     // When handshake fails control is not yet released,
     // so self._tlsError will return null instead of actual error
+
+    // Set closing the socket after emitting an event since the socket needs to
+    // be accessible when the `tlsClientError` event is emmited.
+    owner._closeAfterHandlingError = true;
     owner.destroy(err);
   } else if (owner._tlsOptions?.isServer &&
              owner._rejectUnauthorized &&
diff --git a/lib/net.js b/lib/net.js
index 02eb9c0d4fe5a5..66fc3578ca57fa 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -102,6 +102,7 @@ const {
   uvExceptionWithHostPort,
 } = require('internal/errors');
 const { isUint8Array } = require('internal/util/types');
+const { queueMicrotask } = require('internal/process/task_queues');
 const {
   validateAbortSignal,
   validateFunction,
@@ -284,6 +285,19 @@ function initSocketHandle(self) {
   }
 }
 
+function closeSocketHandle(self, isException, isCleanupPending = false) {
+  if (self._handle) {
+    self._handle.close(() => {
+      debug('emit close');
+      self.emit('close', isException);
+      if (isCleanupPending) {
+        self._handle.onread = noop;
+        self._handle = null;
+        self._sockname = null;
+      }
+    });
+  }
+}
 
 const kBytesRead = Symbol('kBytesRead');
 const kBytesWritten = Symbol('kBytesWritten');
@@ -332,6 +346,7 @@ function Socket(options) {
   this[kBuffer] = null;
   this[kBufferCb] = null;
   this[kBufferGen] = null;
+  this._closeAfterHandlingError = false;
 
   if (typeof options === 'number')
     options = { fd: options }; // Legacy interface.
@@ -751,15 +766,19 @@ Socket.prototype._destroy = function(exception, cb) {
       });
       if (err)
         this.emit('error', errnoException(err, 'reset'));
+    } else if (this._closeAfterHandlingError) {
+      // Enqueue closing the socket as a microtask, so that the socket can be
+      // accessible when an `error` event is handled in the `next tick queue`.
+      queueMicrotask(() => closeSocketHandle(this, isException, true));
     } else {
-      this._handle.close(() => {
-        debug('emit close');
-        this.emit('close', isException);
-      });
+      closeSocketHandle(this, isException);
+    }
+
+    if (!this._closeAfterHandlingError) {
+      this._handle.onread = noop;
+      this._handle = null;
+      this._sockname = null;
     }
-    this._handle.onread = noop;
-    this._handle = null;
-    this._sockname = null;
     cb(exception);
   } else {
     cb(exception);
diff --git a/test/internet/test-https-issue-43963.js b/test/internet/test-https-issue-43963.js
new file mode 100644
index 00000000000000..0d5a6109145d1b
--- /dev/null
+++ b/test/internet/test-https-issue-43963.js
@@ -0,0 +1,31 @@
+'use strict';
+const common = require('../common');
+const https = require('node:https');
+const assert = require('node:assert');
+
+const server = https.createServer();
+
+server.on(
+  'tlsClientError',
+  common.mustCall((exception, tlsSocket) => {
+    assert.strictEqual(exception !== undefined, true);
+    assert.strictEqual(Object.keys(tlsSocket.address()).length !== 0, true);
+    assert.strictEqual(tlsSocket.localAddress !== undefined, true);
+    assert.strictEqual(tlsSocket.localPort !== undefined, true);
+    assert.strictEqual(tlsSocket.remoteAddress !== undefined, true);
+    assert.strictEqual(tlsSocket.remoteFamily !== undefined, true);
+    assert.strictEqual(tlsSocket.remotePort !== undefined, true);
+  }),
+);
+
+server.listen(0, () => {
+  const req = https.request({
+    hostname: '127.0.0.1',
+    port: server.address().port,
+  });
+  req.on(
+    'error',
+    common.mustCall(() => server.close()),
+  );
+  req.end();
+});

From df91dc11fc0bd6996afdf440322c164f02adf7ce Mon Sep 17 00:00:00 2001
From: Ruy Adorno 
Date: Mon, 1 Aug 2022 14:47:56 -0400
Subject: [PATCH 046/147] doc: update collaborator email
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Updating my email on the collaborator section of README.

PR-URL: https://github.com/nodejs/node/pull/44044
Reviewed-By: Luigi Pinca 
Reviewed-By: Mestery 
Reviewed-By: Antoine du Hamel 
Reviewed-By: Tobias Nießen 
Reviewed-By: Feng Yu 
Reviewed-By: Rich Trott 
Reviewed-By: Juan José Arboleda 
Reviewed-By: Darshan Sen 
---
 .mailmap  | 2 ++
 AUTHORS   | 4 ++--
 README.md | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/.mailmap b/.mailmap
index f922b76746784f..4b04dcae299a90 100644
--- a/.mailmap
+++ b/.mailmap
@@ -429,6 +429,8 @@ Ron Korving  
 Ruben Bridgewater  
 Ruben Bridgewater  
 Russell Dempsey  
+Ruy Adorno  
+Ruy Adorno  
 Ryan Dahl 
 Ryan Emery 
 Ryan Mahan 
diff --git a/AUTHORS b/AUTHORS
index f792f6357fe1a4..f6d15432158c4f 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1048,7 +1048,7 @@ Joran Siu 
 Vitaly Tomilov 
 Ratikesh Misra 
 Alex Perkins 
-Beth Griggs 
+Beth Griggs 
 Joe Esposito 
 Erin Spiceland 
 Ravindra Barthwal 
@@ -1784,7 +1784,7 @@ Christopher Sidebottom 
 Edward Andrew Robinson 
 Shakeel Mohamed 
 Tobias Kieslich 
-Ruy Adorno 
+Ruy Adorno 
 Stefania Sharp 
 Pawel Golda 
 Steven Scott 
diff --git a/README.md b/README.md
index 4aff265ff62039..c36935ec02ec24 100644
--- a/README.md
+++ b/README.md
@@ -405,7 +405,7 @@ For information about the governance of the Node.js project, see
 * [ronag](https://github.com/ronag) -
   **Robert Nagy** <>
 * [ruyadorno](https://github.com/ruyadorno) -
-  **Ruy Adorno** <> (he/him)
+  **Ruy Adorno** <> (he/him)
 * [rvagg](https://github.com/rvagg) -
   **Rod Vagg** <>
 * [ryzokuken](https://github.com/ryzokuken) -

From 1a9ae9160a9153584677a93025bc2fdced51953c Mon Sep 17 00:00:00 2001
From: Erick Wendel 
Date: Mon, 1 Aug 2022 17:46:52 -0300
Subject: [PATCH 047/147] doc: add ErickWendel to collaborators

Fixes: https://github.com/nodejs/node/issues/43755
PR-URL: https://github.com/nodejs/node/pull/44088
Reviewed-By: Rich Trott 
Reviewed-By: Colin Ihrig 
Reviewed-By: Evan Lucas 
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index c36935ec02ec24..78645b0e526667 100644
--- a/README.md
+++ b/README.md
@@ -310,6 +310,8 @@ For information about the governance of the Node.js project, see
   **Daniele Belardi** <> (he/him)
 * [edsadr](https://github.com/edsadr) -
   **Adrian Estrada** <> (he/him)
+* [erickwendel](https://github.com/erickwendel) -
+  **Erick Wendel** <> (he/him)
 * [evanlucas](https://github.com/evanlucas) -
   **Evan Lucas** <> (he/him)
 * [fhinkel](https://github.com/fhinkel) -

From 62fd899415ef81b30eb5cb31b2677cdf7336840c Mon Sep 17 00:00:00 2001
From: "Node.js GitHub Bot" 
Date: Tue, 2 Aug 2022 00:05:33 -0400
Subject: [PATCH 048/147] meta: update AUTHORS
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44065
Reviewed-By: Rich Trott 
Reviewed-By: Luigi Pinca 
Reviewed-By: Darshan Sen 
Reviewed-By: Tobias Nießen 
---
 .mailmap |  2 ++
 AUTHORS  | 12 +++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/.mailmap b/.mailmap
index 4b04dcae299a90..d17efa8d5beaa7 100644
--- a/.mailmap
+++ b/.mailmap
@@ -287,6 +287,8 @@ Ke Ding 
 Keith M Wesolowski  
 Kelsey Breseman 
 Kevin Millikin 
+Keyhan Vakil  <60900335+airtable-keyhanvakil@users.noreply.github.com>
+Keyhan Vakil  
 Khaidi Chu 
 Khaidi Chu  
 Kimberly Wilber 
diff --git a/AUTHORS b/AUTHORS
index f6d15432158c4f..9b6ae6fdabc22e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -3457,7 +3457,7 @@ Yagiz Nizipli 
 liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
 Sergey Nazaryev 
 William Marlow 
-Keyhan Vakil <60900335+airtable-keyhanvakil@users.noreply.github.com>
+Keyhan Vakil 
 Feng Yu 
 pupilTong 
 rikapo 
@@ -3490,5 +3490,15 @@ John Gee 
 Hrishikesh Kadam 
 KrayzeeKev 
 Airing 
+jiahao.si 
+Rhys 
+Mark S. Miller 
+Jianru Lin 
+Lenvin Gonsalves <41874033+98lenvi@users.noreply.github.com>
+Andreu Botella 
+shhh7612 <82669765+shhh7612@users.noreply.github.com>
+Dominic Saadi 
+ywave620 <60539365+ywave620@users.noreply.github.com>
+NicoNekoru <66227158+NicoNekoru@users.noreply.github.com>
 
 # Generated by tools/update-authors.mjs

From b45ad007a3f21026fe098081c51c071f3bd8c07b Mon Sep 17 00:00:00 2001
From: Moshe Atlow 
Date: Tue, 2 Aug 2022 08:52:41 +0300
Subject: [PATCH 049/147] test_runner: verbous error when entire test tree is
 canceled

PR-URL: https://github.com/nodejs/node/pull/44060
Reviewed-By: Antoine du Hamel 
Reviewed-By: Benjamin Gruenbaum 
---
 lib/internal/test_runner/harness.js             | 6 ++++--
 lib/internal/test_runner/test.js                | 8 ++++----
 test/message/test_runner_no_refs.out            | 4 ++--
 test/message/test_runner_unresolved_promise.out | 4 ++--
 4 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/lib/internal/test_runner/harness.js b/lib/internal/test_runner/harness.js
index e9f0907c4d490d..360fe141fe70a1 100644
--- a/lib/internal/test_runner/harness.js
+++ b/lib/internal/test_runner/harness.js
@@ -14,7 +14,7 @@ const {
   },
 } = require('internal/errors');
 const { getOptionValue } = require('internal/options');
-const { Test, ItTest, Suite } = require('internal/test_runner/test');
+const { kCancelledByParent, Test, ItTest, Suite } = require('internal/test_runner/test');
 
 const isTestRunner = getOptionValue('--test');
 const testResources = new SafeMap();
@@ -77,7 +77,9 @@ function setup(root) {
     createProcessEventHandler('unhandledRejection', root);
 
   const exitHandler = () => {
-    root.postRun();
+    root.postRun(new ERR_TEST_FAILURE(
+      'Promise resolution is still pending but the event loop has already resolved',
+      kCancelledByParent));
 
     let passCount = 0;
     let failCount = 0;
diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js
index 9ea04dfceba527..e2d068e87bb051 100644
--- a/lib/internal/test_runner/test.js
+++ b/lib/internal/test_runner/test.js
@@ -511,7 +511,7 @@ class Test extends AsyncResource {
     this.postRun();
   }
 
-  postRun() {
+  postRun(pendingSubtestsError) {
     let failedSubtests = 0;
 
     // If the test was failed before it even started, then the end time will
@@ -528,8 +528,8 @@ class Test extends AsyncResource {
       const subtest = this.subtests[i];
 
       if (!subtest.finished) {
-        subtest.cancel();
-        subtest.postRun();
+        subtest.cancel(pendingSubtestsError);
+        subtest.postRun(pendingSubtestsError);
       }
 
       if (!subtest.passed) {
@@ -691,4 +691,4 @@ class Suite extends Test {
   }
 }
 
-module.exports = { kDefaultIndent, kSubtestsFailed, kTestCodeFailure, Test, Suite, ItTest };
+module.exports = { kCancelledByParent, kDefaultIndent, kSubtestsFailed, kTestCodeFailure, Test, Suite, ItTest };
diff --git a/test/message/test_runner_no_refs.out b/test/message/test_runner_no_refs.out
index 63b79cd57d777f..e8560c5720b762 100644
--- a/test/message/test_runner_no_refs.out
+++ b/test/message/test_runner_no_refs.out
@@ -5,7 +5,7 @@ TAP version 13
       ---
       duration_ms: *
       failureType: 'cancelledByParent'
-      error: 'test did not finish before its parent and was cancelled'
+      error: 'Promise resolution is still pending but the event loop has already resolved'
       code: 'ERR_TEST_FAILURE'
       stack: |-
         *
@@ -15,7 +15,7 @@ not ok 1 - does not keep event loop alive
   ---
   duration_ms: *
   failureType: 'cancelledByParent'
-  error: 'test did not finish before its parent and was cancelled'
+  error: 'Promise resolution is still pending but the event loop has already resolved'
   code: 'ERR_TEST_FAILURE'
   stack: |-
     *
diff --git a/test/message/test_runner_unresolved_promise.out b/test/message/test_runner_unresolved_promise.out
index 2bb543cd4554fe..b4d6cba4ca1b43 100644
--- a/test/message/test_runner_unresolved_promise.out
+++ b/test/message/test_runner_unresolved_promise.out
@@ -9,7 +9,7 @@ not ok 2 - never resolving promise
   ---
   duration_ms: *
   failureType: 'cancelledByParent'
-  error: 'test did not finish before its parent and was cancelled'
+  error: 'Promise resolution is still pending but the event loop has already resolved'
   code: 'ERR_TEST_FAILURE'
   stack: |-
     *
@@ -19,7 +19,7 @@ not ok 3 - fail
   ---
   duration_ms: 0
   failureType: 'cancelledByParent'
-  error: 'test did not finish before its parent and was cancelled'
+  error: 'Promise resolution is still pending but the event loop has already resolved'
   code: 'ERR_TEST_FAILURE'
   stack: |-
     *

From befe01cac45fdd5d9827e21e40b8d5b9c4acc9bb Mon Sep 17 00:00:00 2001
From: Rich Trott 
Date: Tue, 2 Aug 2022 04:21:40 -0700
Subject: [PATCH 050/147] build: allow test-internet on forks if not scheduled
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Refs: https://github.com/nodejs/node/pull/44054#issuecomment-1200246681
PR-URL: https://github.com/nodejs/node/pull/44073
Reviewed-By: Michaël Zasso 
Reviewed-By: Antoine du Hamel 
Reviewed-By: Tobias Nießen 
Reviewed-By: Mestery 
---
 .github/workflows/test-internet.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test-internet.yml b/.github/workflows/test-internet.yml
index 85d037c9bee5eb..1e968652896f1e 100644
--- a/.github/workflows/test-internet.yml
+++ b/.github/workflows/test-internet.yml
@@ -29,7 +29,7 @@ permissions:
 
 jobs:
   test-internet:
-    if: github.repository == 'nodejs/node'
+    if: github.repository == 'nodejs/node' || github.event_name != 'schedule'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

From 5cb5c65f4f74be408b4fde119a1092a804133a91 Mon Sep 17 00:00:00 2001
From: Joyee Cheung 
Date: Tue, 2 Aug 2022 19:22:51 +0800
Subject: [PATCH 051/147] net: create diagnostics channels lazily

PR-URL: https://github.com/nodejs/node/pull/38905
Refs: https://github.com/nodejs/node/issues/35711
Reviewed-By: Chengzhong Wu 
Reviewed-By: Matteo Collina 
---
 lib/net.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/lib/net.js b/lib/net.js
index 66fc3578ca57fa..96aea96cbf9a24 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -134,6 +134,22 @@ const isWindows = process.platform === 'win32';
 const noop = () => {};
 
 const kPerfHooksNetConnectContext = Symbol('kPerfHooksNetConnectContext');
+
+let netClientSocketChannel;
+let netServerSocketChannel;
+function lazyChannels() {
+  // TODO(joyeecheung): support diagnostics channels in the snapshot.
+  // For now it is fine to create them lazily when there isn't a snapshot to
+  // build. If users need the channels they would have to create them first
+  // before invoking any built-ins that would publish to these channels
+  // anyway.
+  if (netClientSocketChannel === undefined) {
+    const dc = require('diagnostics_channel');
+    netClientSocketChannel = dc.channel('net.client.socket');
+    netServerSocketChannel = dc.channel('net.server.socket');
+  }
+}
+
 const {
   hasObserver,
   startPerf,
@@ -205,7 +221,7 @@ function connect(...args) {
   const options = normalized[0];
   debug('createConnection', normalized);
   const socket = new Socket(options);
-
+  lazyChannels();
   if (options.timeout) {
     socket.setTimeout(options.timeout);
   }
@@ -1737,6 +1753,7 @@ function onconnection(err, clientHandle) {
 
   DTRACE_NET_SERVER_CONNECTION(socket);
   self.emit('connection', socket);
+  lazyChannels();
 }
 
 /**

From 31589b50fda25f7cbb1e3d5818668a45734c4d42 Mon Sep 17 00:00:00 2001
From: Joyee Cheung 
Date: Thu, 27 May 2021 20:51:46 +0800
Subject: [PATCH 052/147] bootstrap: implement --snapshot-blob and
 --build-snapshot

This patch introduces `--build-snapshot` and `--snapshot-blob` options
for creating and using user land snapshots.

For the initial iteration, user land CJS modules and ESM are not yet
supported in the snapshot, so only one single file can be snapshotted
(users can bundle their applications into a single script with their
bundler of choice to build a snapshot though).

A subset of builtins should already work, and support for more builtins
are being added. This PR includes tests checking that the TypeScript
compiler and the marked markdown renderer (and the builtins they use)
can be snapshotted and deserialized.

To generate a snapshot using `snapshot.js` as entry point and write the
snapshot blob to `snapshot.blob`:

```
$ echo "globalThis.foo = 'I am from the snapshot'" > snapshot.js
$ node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
```

To restore application state from `snapshot.blob`, with `index.js` as
the entry point script for the deserialized application:

```
$ echo "console.log(globalThis.foo)" > index.js
$ node --snapshot-blob snapshot.blob index.js
I am from the snapshot
```

Users can also use the `v8.startupSnapshot` API to specify an entry
point at snapshot building time, thus avoiding the need of an additional
entry script at deserialization time:

```
$ echo "require('v8').startupSnapshot.setDeserializeMainFunction(() => console.log('I am from the snapshot'))" > snapshot.js
$ node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
$ node --snapshot-blob snapshot.blob
I am from the snapshot
```

Note that this patch only adds functionality to the `node` executable
for building run-time user-land snapshots, the generated snapshot is
stored into a separate file on disk. Building a single binary with both
Node.js and an embedded snapshot has already been possible with the
`--node-snapshot-main` option to the `configure` script if the user
compiles Node.js from source. It would be a different task to enable the
`node` executable to produce a single binary that contains both Node.js
and an embedded snapshot without building Node.js from source, which
should be layered on top of the SEA (Single Executable Apps) initiative.

Known limitations/bugs that are being fixed in the upstream:

- V8 hits a DCHECK when deserializing certain mutated globals, e.g.
  `Error.stackTraceLimit` (it should work fine in the release build,
  however): https://chromium-review.googlesource.com/c/v8/v8/+/3319481
- Layout of V8's read-only heap can be inconsistent after
  deserialization, resulting in memory corruption:
  https://bugs.chromium.org/p/v8/issues/detail?id=12921

PR-URL: https://github.com/nodejs/node/pull/38905
Refs: https://github.com/nodejs/node/issues/35711
Reviewed-By: Chengzhong Wu 
Reviewed-By: Matteo Collina 
---
 doc/api/cli.md                                |  76 ++
 src/env.cc                                    |  36 +-
 src/env.h                                     |  11 +-
 src/node.cc                                   | 133 +++-
 src/node_internals.h                          |  19 +
 src/node_options.cc                           |   7 +
 src/node_options.h                            |   1 +
 src/node_snapshotable.cc                      | 723 +++++++++++++++++-
 test/fixtures/snapshot/check-mutate-fs.js     |   6 +
 .../fixtures/snapshot/decompress-gzip-sync.js |  20 +
 test/fixtures/snapshot/mutate-fs.js           |   5 +
 test/parallel/test-snapshot-api.js            |  49 ++
 test/parallel/test-snapshot-basic.js          | 112 +++
 test/parallel/test-snapshot-cjs-main.js       |  53 ++
 test/parallel/test-snapshot-error.js          |  73 ++
 test/parallel/test-snapshot-eval.js           |  73 ++
 test/parallel/test-snapshot-gzip.js           |  63 ++
 17 files changed, 1408 insertions(+), 52 deletions(-)
 create mode 100644 test/fixtures/snapshot/check-mutate-fs.js
 create mode 100644 test/fixtures/snapshot/decompress-gzip-sync.js
 create mode 100644 test/fixtures/snapshot/mutate-fs.js
 create mode 100644 test/parallel/test-snapshot-api.js
 create mode 100644 test/parallel/test-snapshot-basic.js
 create mode 100644 test/parallel/test-snapshot-cjs-main.js
 create mode 100644 test/parallel/test-snapshot-error.js
 create mode 100644 test/parallel/test-snapshot-eval.js
 create mode 100644 test/parallel/test-snapshot-gzip.js

diff --git a/doc/api/cli.md b/doc/api/cli.md
index 2b63cc3366c204..c7ac5c8437e50d 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -100,6 +100,62 @@ If this flag is passed, the behavior can still be set to not abort through
 [`process.setUncaughtExceptionCaptureCallback()`][] (and through usage of the
 `node:domain` module that uses it).
 
+### `--build-snapshot`
+
+
+
+> Stability: 1 - Experimental
+
+Generates a snapshot blob when the process exits and writes it to
+disk, which can be loaded later with `--snapshot-blob`.
+
+When building the snapshot, if `--snapshot-blob` is not specified,
+the generated blob will be written, by default, to `snapshot.blob`
+in the current working directory. Otherwise it will be written to
+the path specified by `--snapshot-blob`.
+
+```console
+$ echo "globalThis.foo = 'I am from the snapshot'" > snapshot.js
+
+# Run snapshot.js to intialize the application and snapshot the
+# state of it into snapshot.blob.
+$ node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
+
+$ echo "console.log(globalThis.foo)" > index.js
+
+# Load the generated snapshot and start the application from index.js.
+$ node --snapshot-blob snapshot.blob index.js
+I am from the snapshot
+```
+
+The [`v8.startupSnapshot` API][] can be used to specify an entry point at
+snapshot building time, thus avoiding the need of an additional entry
+script at deserialization time:
+
+```console
+$ echo "require('v8').startupSnapshot.setDeserializeMainFunction(() => console.log('I am from the snapshot'))" > snapshot.js
+$ node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
+$ node --snapshot-blob snapshot.blob
+I am from the snapshot
+```
+
+For more information, check out the [`v8.startupSnapshot` API][] documentation.
+
+Currently the support for run-time snapshot is experimental in that:
+
+1. User-land modules are not yet supported in the snapshot, so only
+   one single file can be snapshotted. Users can bundle their applications
+   into a single script with their bundler of choice before building
+   a snapshot, however.
+2. Only a subset of the built-in modules work in the snapshot, though the
+   Node.js core test suite checks that a few fairly complex applications
+   can be snapshotted. Support for more modules are being added. If any
+   crashes or buggy behaviors occur when building a snapshot, please file
+   a report in the [Node.js issue tracker][] and link to it in the
+   [tracking issue for user-land snapshots][].
+
 ### `--completion-bash`
 
 
+
+> Stability: 1 - Experimental
+
+When used with `--build-snapshot`, `--snapshot-blob` specifies the path
+where the generated snapshot blob will be written to. If not specified,
+the generated blob will be written, by default, to `snapshot.blob`
+in the current working directory.
+
+When used without `--build-snapshot`, `--snapshot-blob` specifies the
+path to the blob that will be used to restore the application state.
+
 ### `--test`
 
 |$)/;
+  block$1.html = edit(block$1.html, 'i').replace('comment', block$1._comment).replace('tag', block$1._tag).replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex();
+  block$1.paragraph = edit(block$1._paragraph).replace('hr', block$1.hr).replace('heading', ' {0,3}#{1,6} ').replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
+  .replace('blockquote', ' {0,3}>').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
+  .replace('html', ')|<(?:script|pre|style|textarea|!--)').replace('tag', block$1._tag) // pars can be interrupted by type (6) html blocks
+  .getRegex();
+  block$1.blockquote = edit(block$1.blockquote).replace('paragraph', block$1.paragraph).getRegex();
+  /**
+   * Normal Block Grammar
+   */
+
+  block$1.normal = merge$1({}, block$1);
+  /**
+   * GFM Block Grammar
+   */
+
+  block$1.gfm = merge$1({}, block$1.normal, {
+    table: '^ *([^\\n ].*\\|.*)\\n' // Header
+    + ' {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?' // Align
+    + '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
+
+  });
+  block$1.gfm.table = edit(block$1.gfm.table).replace('hr', block$1.hr).replace('heading', ' {0,3}#{1,6} ').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
+  .replace('html', ')|<(?:script|pre|style|textarea|!--)').replace('tag', block$1._tag) // tables can be interrupted by type (6) html blocks
+  .getRegex();
+  /**
+   * Pedantic grammar (original John Gruber's loose markdown specification)
+   */
+
+  block$1.pedantic = merge$1({}, block$1.normal, {
+    html: edit('^ *(?:comment *(?:\\n|\\s*$)' + '|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)' // closed tag
+    + '|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))').replace('comment', block$1._comment).replace(/tag/g, '(?!(?:' + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b').getRegex(),
+    def: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
+    heading: /^(#{1,6})(.*)(?:\n+|$)/,
+    fences: noopTest,
+    // fences not supported
+    paragraph: edit(block$1.normal._paragraph).replace('hr', block$1.hr).replace('heading', ' *#{1,6} *[^\n]').replace('lheading', block$1.lheading).replace('blockquote', ' {0,3}>').replace('|fences', '').replace('|list', '').replace('|html', '').getRegex()
+  });
+  /**
+   * Inline-Level Grammar
+   */
+
+  var inline$1 = {
+    escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
+    autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
+    url: noopTest,
+    tag: '^comment' + '|^' // self-closing tag
+    + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
+    + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. 
+    + '|^' // declaration, e.g. 
+    + '|^',
+    // CDATA section
+    link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
+    reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
+    nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
+    reflinkSearch: 'reflink|nolink(?!\\()',
+    emStrong: {
+      lDelim: /^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,
+      //        (1) and (2) can only be a Right Delimiter. (3) and (4) can only be Left.  (5) and (6) can be either Left or Right.
+      //        () Skip other delimiter (1) #***                   (2) a***#, a***                   (3) #***a, ***a                 (4) ***#              (5) #***#                 (6) a***a
+      rDelimAst: /\_\_[^_*]*?\*[^_*]*?\_\_|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,
+      rDelimUnd: /\*\*[^_*]*?\_[^_*]*?\*\*|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/ // ^- Not allowed for _
+
+    },
+    code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
+    br: /^( {2,}|\\)\n(?!\s*$)/,
+    del: noopTest,
+    text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\?@\\[\\]`^{|}~';
+  inline$1.punctuation = edit(inline$1.punctuation).replace(/punctuation/g, inline$1._punctuation).getRegex(); // sequences em should skip over [title](link), `code`, 
+
+  inline$1.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
+  inline$1.escapedEmSt = /\\\*|\\_/g;
+  inline$1._comment = edit(block$1._comment).replace('(?:-->|$)', '-->').getRegex();
+  inline$1.emStrong.lDelim = edit(inline$1.emStrong.lDelim).replace(/punct/g, inline$1._punctuation).getRegex();
+  inline$1.emStrong.rDelimAst = edit(inline$1.emStrong.rDelimAst, 'g').replace(/punct/g, inline$1._punctuation).getRegex();
+  inline$1.emStrong.rDelimUnd = edit(inline$1.emStrong.rDelimUnd, 'g').replace(/punct/g, inline$1._punctuation).getRegex();
+  inline$1._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
+  inline$1._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
+  inline$1._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
+  inline$1.autolink = edit(inline$1.autolink).replace('scheme', inline$1._scheme).replace('email', inline$1._email).getRegex();
+  inline$1._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
+  inline$1.tag = edit(inline$1.tag).replace('comment', inline$1._comment).replace('attribute', inline$1._attribute).getRegex();
+  inline$1._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
+  inline$1._href = /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/;
+  inline$1._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
+  inline$1.link = edit(inline$1.link).replace('label', inline$1._label).replace('href', inline$1._href).replace('title', inline$1._title).getRegex();
+  inline$1.reflink = edit(inline$1.reflink).replace('label', inline$1._label).getRegex();
+  inline$1.reflinkSearch = edit(inline$1.reflinkSearch, 'g').replace('reflink', inline$1.reflink).replace('nolink', inline$1.nolink).getRegex();
+  /**
+   * Normal Inline Grammar
+   */
+
+  inline$1.normal = merge$1({}, inline$1);
+  /**
+   * Pedantic Inline Grammar
+   */
+
+  inline$1.pedantic = merge$1({}, inline$1.normal, {
+    strong: {
+      start: /^__|\*\*/,
+      middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
+      endAst: /\*\*(?!\*)/g,
+      endUnd: /__(?!_)/g
+    },
+    em: {
+      start: /^_|\*/,
+      middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,
+      endAst: /\*(?!\*)/g,
+      endUnd: /_(?!_)/g
+    },
+    link: edit(/^!?\[(label)\]\((.*?)\)/).replace('label', inline$1._label).getRegex(),
+    reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace('label', inline$1._label).getRegex()
+  });
+  /**
+   * GFM Inline Grammar
+   */
+
+  inline$1.gfm = merge$1({}, inline$1.normal, {
+    escape: edit(inline$1.escape).replace('])', '~|])').getRegex(),
+    _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
+    url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
+    _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
+    del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,
+    text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\ 0.5) {
+        ch = 'x' + ch.toString(16);
+      }
+
+      out += '&#' + ch + ';';
+    }
+
+    return out;
+  }
+  /**
+   * Block Lexer
+   */
+
+
+  var Lexer_1 = /*#__PURE__*/function () {
+    function Lexer(options) {
+      this.tokens = [];
+      this.tokens.links = Object.create(null);
+      this.options = options || defaults$3;
+      this.options.tokenizer = this.options.tokenizer || new Tokenizer$1();
+      this.tokenizer = this.options.tokenizer;
+      this.tokenizer.options = this.options;
+      this.tokenizer.lexer = this;
+      this.inlineQueue = [];
+      this.state = {
+        inLink: false,
+        inRawBlock: false,
+        top: true
+      };
+      var rules = {
+        block: block.normal,
+        inline: inline.normal
+      };
+
+      if (this.options.pedantic) {
+        rules.block = block.pedantic;
+        rules.inline = inline.pedantic;
+      } else if (this.options.gfm) {
+        rules.block = block.gfm;
+
+        if (this.options.breaks) {
+          rules.inline = inline.breaks;
+        } else {
+          rules.inline = inline.gfm;
+        }
+      }
+
+      this.tokenizer.rules = rules;
+    }
+    /**
+     * Expose Rules
+     */
+
+
+    /**
+     * Static Lex Method
+     */
+    Lexer.lex = function lex(src, options) {
+      var lexer = new Lexer(options);
+      return lexer.lex(src);
+    }
+    /**
+     * Static Lex Inline Method
+     */
+    ;
+
+    Lexer.lexInline = function lexInline(src, options) {
+      var lexer = new Lexer(options);
+      return lexer.inlineTokens(src);
+    }
+    /**
+     * Preprocessing
+     */
+    ;
+
+    var _proto = Lexer.prototype;
+
+    _proto.lex = function lex(src) {
+      src = src.replace(/\r\n|\r/g, '\n').replace(/\t/g, '    ');
+      this.blockTokens(src, this.tokens);
+      var next;
+
+      while (next = this.inlineQueue.shift()) {
+        this.inlineTokens(next.src, next.tokens);
+      }
+
+      return this.tokens;
+    }
+    /**
+     * Lexing
+     */
+    ;
+
+    _proto.blockTokens = function blockTokens(src, tokens) {
+      var _this = this;
+
+      if (tokens === void 0) {
+        tokens = [];
+      }
+
+      if (this.options.pedantic) {
+        src = src.replace(/^ +$/gm, '');
+      }
+
+      var token, lastToken, cutSrc, lastParagraphClipped;
+
+      while (src) {
+        if (this.options.extensions && this.options.extensions.block && this.options.extensions.block.some(function (extTokenizer) {
+          if (token = extTokenizer.call({
+            lexer: _this
+          }, src, tokens)) {
+            src = src.substring(token.raw.length);
+            tokens.push(token);
+            return true;
+          }
+
+          return false;
+        })) {
+          continue;
+        } // newline
+
+
+        if (token = this.tokenizer.space(src)) {
+          src = src.substring(token.raw.length);
+
+          if (token.type) {
+            tokens.push(token);
+          }
+
+          continue;
+        } // code
+
+
+        if (token = this.tokenizer.code(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1]; // An indented code block cannot interrupt a paragraph.
+
+          if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
+            lastToken.raw += '\n' + token.raw;
+            lastToken.text += '\n' + token.text;
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else {
+            tokens.push(token);
+          }
+
+          continue;
+        } // fences
+
+
+        if (token = this.tokenizer.fences(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // heading
+
+
+        if (token = this.tokenizer.heading(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // hr
+
+
+        if (token = this.tokenizer.hr(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // blockquote
+
+
+        if (token = this.tokenizer.blockquote(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // list
+
+
+        if (token = this.tokenizer.list(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // html
+
+
+        if (token = this.tokenizer.html(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // def
+
+
+        if (token = this.tokenizer.def(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+
+          if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
+            lastToken.raw += '\n' + token.raw;
+            lastToken.text += '\n' + token.raw;
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else if (!this.tokens.links[token.tag]) {
+            this.tokens.links[token.tag] = {
+              href: token.href,
+              title: token.title
+            };
+          }
+
+          continue;
+        } // table (gfm)
+
+
+        if (token = this.tokenizer.table(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // lheading
+
+
+        if (token = this.tokenizer.lheading(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // top-level paragraph
+        // prevent paragraph consuming extensions by clipping 'src' to extension start
+
+
+        cutSrc = src;
+
+        if (this.options.extensions && this.options.extensions.startBlock) {
+          (function () {
+            var startIndex = Infinity;
+            var tempSrc = src.slice(1);
+            var tempStart = void 0;
+
+            _this.options.extensions.startBlock.forEach(function (getStartIndex) {
+              tempStart = getStartIndex.call({
+                lexer: this
+              }, tempSrc);
+
+              if (typeof tempStart === 'number' && tempStart >= 0) {
+                startIndex = Math.min(startIndex, tempStart);
+              }
+            });
+
+            if (startIndex < Infinity && startIndex >= 0) {
+              cutSrc = src.substring(0, startIndex + 1);
+            }
+          })();
+        }
+
+        if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) {
+          lastToken = tokens[tokens.length - 1];
+
+          if (lastParagraphClipped && lastToken.type === 'paragraph') {
+            lastToken.raw += '\n' + token.raw;
+            lastToken.text += '\n' + token.text;
+            this.inlineQueue.pop();
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else {
+            tokens.push(token);
+          }
+
+          lastParagraphClipped = cutSrc.length !== src.length;
+          src = src.substring(token.raw.length);
+          continue;
+        } // text
+
+
+        if (token = this.tokenizer.text(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+
+          if (lastToken && lastToken.type === 'text') {
+            lastToken.raw += '\n' + token.raw;
+            lastToken.text += '\n' + token.text;
+            this.inlineQueue.pop();
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else {
+            tokens.push(token);
+          }
+
+          continue;
+        }
+
+        if (src) {
+          var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
+
+          if (this.options.silent) {
+            console.error(errMsg);
+            break;
+          } else {
+            throw new Error(errMsg);
+          }
+        }
+      }
+
+      this.state.top = true;
+      return tokens;
+    };
+
+    _proto.inline = function inline(src, tokens) {
+      this.inlineQueue.push({
+        src: src,
+        tokens: tokens
+      });
+    }
+    /**
+     * Lexing/Compiling
+     */
+    ;
+
+    _proto.inlineTokens = function inlineTokens(src, tokens) {
+      var _this2 = this;
+
+      if (tokens === void 0) {
+        tokens = [];
+      }
+
+      var token, lastToken, cutSrc; // String with links masked to avoid interference with em and strong
+
+      var maskedSrc = src;
+      var match;
+      var keepPrevChar, prevChar; // Mask out reflinks
+
+      if (this.tokens.links) {
+        var links = Object.keys(this.tokens.links);
+
+        if (links.length > 0) {
+          while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) {
+            if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) {
+              maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
+            }
+          }
+        }
+      } // Mask out other blocks
+
+
+      while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
+        maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
+      } // Mask out escaped em & strong delimiters
+
+
+      while ((match = this.tokenizer.rules.inline.escapedEmSt.exec(maskedSrc)) != null) {
+        maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);
+      }
+
+      while (src) {
+        if (!keepPrevChar) {
+          prevChar = '';
+        }
+
+        keepPrevChar = false; // extensions
+
+        if (this.options.extensions && this.options.extensions.inline && this.options.extensions.inline.some(function (extTokenizer) {
+          if (token = extTokenizer.call({
+            lexer: _this2
+          }, src, tokens)) {
+            src = src.substring(token.raw.length);
+            tokens.push(token);
+            return true;
+          }
+
+          return false;
+        })) {
+          continue;
+        } // escape
+
+
+        if (token = this.tokenizer.escape(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // tag
+
+
+        if (token = this.tokenizer.tag(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+
+          if (lastToken && token.type === 'text' && lastToken.type === 'text') {
+            lastToken.raw += token.raw;
+            lastToken.text += token.text;
+          } else {
+            tokens.push(token);
+          }
+
+          continue;
+        } // link
+
+
+        if (token = this.tokenizer.link(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // reflink, nolink
+
+
+        if (token = this.tokenizer.reflink(src, this.tokens.links)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+
+          if (lastToken && token.type === 'text' && lastToken.type === 'text') {
+            lastToken.raw += token.raw;
+            lastToken.text += token.text;
+          } else {
+            tokens.push(token);
+          }
+
+          continue;
+        } // em & strong
+
+
+        if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // code
+
+
+        if (token = this.tokenizer.codespan(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // br
+
+
+        if (token = this.tokenizer.br(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // del (gfm)
+
+
+        if (token = this.tokenizer.del(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // autolink
+
+
+        if (token = this.tokenizer.autolink(src, mangle)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // url (gfm)
+
+
+        if (!this.state.inLink && (token = this.tokenizer.url(src, mangle))) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // text
+        // prevent inlineText consuming extensions by clipping 'src' to extension start
+
+
+        cutSrc = src;
+
+        if (this.options.extensions && this.options.extensions.startInline) {
+          (function () {
+            var startIndex = Infinity;
+            var tempSrc = src.slice(1);
+            var tempStart = void 0;
+
+            _this2.options.extensions.startInline.forEach(function (getStartIndex) {
+              tempStart = getStartIndex.call({
+                lexer: this
+              }, tempSrc);
+
+              if (typeof tempStart === 'number' && tempStart >= 0) {
+                startIndex = Math.min(startIndex, tempStart);
+              }
+            });
+
+            if (startIndex < Infinity && startIndex >= 0) {
+              cutSrc = src.substring(0, startIndex + 1);
+            }
+          })();
+        }
+
+        if (token = this.tokenizer.inlineText(cutSrc, smartypants)) {
+          src = src.substring(token.raw.length);
+
+          if (token.raw.slice(-1) !== '_') {
+            // Track prevChar before string of ____ started
+            prevChar = token.raw.slice(-1);
+          }
+
+          keepPrevChar = true;
+          lastToken = tokens[tokens.length - 1];
+
+          if (lastToken && lastToken.type === 'text') {
+            lastToken.raw += token.raw;
+            lastToken.text += token.text;
+          } else {
+            tokens.push(token);
+          }
+
+          continue;
+        }
+
+        if (src) {
+          var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
+
+          if (this.options.silent) {
+            console.error(errMsg);
+            break;
+          } else {
+            throw new Error(errMsg);
+          }
+        }
+      }
+
+      return tokens;
+    };
+
+    _createClass(Lexer, null, [{
+      key: "rules",
+      get: function get() {
+        return {
+          block: block,
+          inline: inline
+        };
+      }
+    }]);
+
+    return Lexer;
+  }();
+
+  var defaults$2 = defaults$5.exports.defaults;
+  var cleanUrl = helpers.cleanUrl,
+      escape$1 = helpers.escape;
+  /**
+   * Renderer
+   */
+
+  var Renderer_1 = /*#__PURE__*/function () {
+    function Renderer(options) {
+      this.options = options || defaults$2;
+    }
+
+    var _proto = Renderer.prototype;
+
+    _proto.code = function code(_code, infostring, escaped) {
+      var lang = (infostring || '').match(/\S*/)[0];
+
+      if (this.options.highlight) {
+        var out = this.options.highlight(_code, lang);
+
+        if (out != null && out !== _code) {
+          escaped = true;
+          _code = out;
+        }
+      }
+
+      _code = _code.replace(/\n$/, '') + '\n';
+
+      if (!lang) {
+        return '
    ' + (escaped ? _code : escape$1(_code, true)) + '
    \n';
+      }
+
+      return '
    ' + (escaped ? _code : escape$1(_code, true)) + '
    \n';
+    };
+
+    _proto.blockquote = function blockquote(quote) {
+      return '
    \n' + quote + '
    \n';
+    };
+
+    _proto.html = function html(_html) {
+      return _html;
+    };
+
+    _proto.heading = function heading(text, level, raw, slugger) {
+      if (this.options.headerIds) {
+        return '' + text + '\n';
+      } // ignore IDs
+
+
+      return '' + text + '\n';
+    };
+
+    _proto.hr = function hr() {
+      return this.options.xhtml ? '
    \n' : '
    \n';
+    };
+
+    _proto.list = function list(body, ordered, start) {
+      var type = ordered ? 'ol' : 'ul',
+          startatt = ordered && start !== 1 ? ' start="' + start + '"' : '';
+      return '<' + type + startatt + '>\n' + body + '\n';
+    };
+
+    _proto.listitem = function listitem(text) {
+      return '
  • ' + text + '
    • \n';
+    };
+
+    _proto.checkbox = function checkbox(checked) {
+      return ' ';
+    };
+
+    _proto.paragraph = function paragraph(text) {
+      return '
    ' + text + '
    \n';
+    };
+
+    _proto.table = function table(header, body) {
+      if (body) body = '' + body + '';
+      return '\n' + '\n' + header + '\n' + body + '
    \n';
+    };
+
+    _proto.tablerow = function tablerow(content) {
+      return '\n' + content + '\n';
+    };
+
+    _proto.tablecell = function tablecell(content, flags) {
+      var type = flags.header ? 'th' : 'td';
+      var tag = flags.align ? '<' + type + ' align="' + flags.align + '">' : '<' + type + '>';
+      return tag + content + '\n';
+    } // span level renderer
+    ;
+
+    _proto.strong = function strong(text) {
+      return '' + text + '';
+    };
+
+    _proto.em = function em(text) {
+      return '' + text + '';
+    };
+
+    _proto.codespan = function codespan(text) {
+      return '' + text + '';
+    };
+
+    _proto.br = function br() {
+      return this.options.xhtml ? '
    ' : '
    ';
+    };
+
+    _proto.del = function del(text) {
+      return '' + text + '';
+    };
+
+    _proto.link = function link(href, title, text) {
+      href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
+
+      if (href === null) {
+        return text;
+      }
+
+      var out = '';
+      return out;
+    };
+
+    _proto.image = function image(href, title, text) {
+      href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
+
+      if (href === null) {
+        return text;
+      }
+
+      var out = '' + text + '' : '>';
+      return out;
+    };
+
+    _proto.text = function text(_text) {
+      return _text;
+    };
+
+    return Renderer;
+  }();
+
+  /**
+   * TextRenderer
+   * returns only the textual part of the token
+   */
+
+  var TextRenderer_1 = /*#__PURE__*/function () {
+    function TextRenderer() {}
+
+    var _proto = TextRenderer.prototype;
+
+    // no need for block level renderers
+    _proto.strong = function strong(text) {
+      return text;
+    };
+
+    _proto.em = function em(text) {
+      return text;
+    };
+
+    _proto.codespan = function codespan(text) {
+      return text;
+    };
+
+    _proto.del = function del(text) {
+      return text;
+    };
+
+    _proto.html = function html(text) {
+      return text;
+    };
+
+    _proto.text = function text(_text) {
+      return _text;
+    };
+
+    _proto.link = function link(href, title, text) {
+      return '' + text;
+    };
+
+    _proto.image = function image(href, title, text) {
+      return '' + text;
+    };
+
+    _proto.br = function br() {
+      return '';
+    };
+
+    return TextRenderer;
+  }();
+
+  /**
+   * Slugger generates header id
+   */
+
+  var Slugger_1 = /*#__PURE__*/function () {
+    function Slugger() {
+      this.seen = {};
+    }
+
+    var _proto = Slugger.prototype;
+
+    _proto.serialize = function serialize(value) {
+      return value.toLowerCase().trim() // remove html tags
+      .replace(/<[!\/a-z].*?>/ig, '') // remove unwanted chars
+      .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '').replace(/\s/g, '-');
+    }
+    /**
+     * Finds the next safe (unique) slug to use
+     */
+    ;
+
+    _proto.getNextSafeSlug = function getNextSafeSlug(originalSlug, isDryRun) {
+      var slug = originalSlug;
+      var occurenceAccumulator = 0;
+
+      if (this.seen.hasOwnProperty(slug)) {
+        occurenceAccumulator = this.seen[originalSlug];
+
+        do {
+          occurenceAccumulator++;
+          slug = originalSlug + '-' + occurenceAccumulator;
+        } while (this.seen.hasOwnProperty(slug));
+      }
+
+      if (!isDryRun) {
+        this.seen[originalSlug] = occurenceAccumulator;
+        this.seen[slug] = 0;
+      }
+
+      return slug;
+    }
+    /**
+     * Convert string to unique id
+     * @param {object} options
+     * @param {boolean} options.dryrun Generates the next unique slug without updating the internal accumulator.
+     */
+    ;
+
+    _proto.slug = function slug(value, options) {
+      if (options === void 0) {
+        options = {};
+      }
+
+      var slug = this.serialize(value);
+      return this.getNextSafeSlug(slug, options.dryrun);
+    };
+
+    return Slugger;
+  }();
+
+  var Renderer$1 = Renderer_1;
+  var TextRenderer$1 = TextRenderer_1;
+  var Slugger$1 = Slugger_1;
+  var defaults$1 = defaults$5.exports.defaults;
+  var unescape = helpers.unescape;
+  /**
+   * Parsing & Compiling
+   */
+
+  var Parser_1 = /*#__PURE__*/function () {
+    function Parser(options) {
+      this.options = options || defaults$1;
+      this.options.renderer = this.options.renderer || new Renderer$1();
+      this.renderer = this.options.renderer;
+      this.renderer.options = this.options;
+      this.textRenderer = new TextRenderer$1();
+      this.slugger = new Slugger$1();
+    }
+    /**
+     * Static Parse Method
+     */
+
+
+    Parser.parse = function parse(tokens, options) {
+      var parser = new Parser(options);
+      return parser.parse(tokens);
+    }
+    /**
+     * Static Parse Inline Method
+     */
+    ;
+
+    Parser.parseInline = function parseInline(tokens, options) {
+      var parser = new Parser(options);
+      return parser.parseInline(tokens);
+    }
+    /**
+     * Parse Loop
+     */
+    ;
+
+    var _proto = Parser.prototype;
+
+    _proto.parse = function parse(tokens, top) {
+      if (top === void 0) {
+        top = true;
+      }
+
+      var out = '',
+          i,
+          j,
+          k,
+          l2,
+          l3,
+          row,
+          cell,
+          header,
+          body,
+          token,
+          ordered,
+          start,
+          loose,
+          itemBody,
+          item,
+          checked,
+          task,
+          checkbox,
+          ret;
+      var l = tokens.length;
+
+      for (i = 0; i < l; i++) {
+        token = tokens[i]; // Run any renderer extensions
+
+        if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
+          ret = this.options.extensions.renderers[token.type].call({
+            parser: this
+          }, token);
+
+          if (ret !== false || !['space', 'hr', 'heading', 'code', 'table', 'blockquote', 'list', 'html', 'paragraph', 'text'].includes(token.type)) {
+            out += ret || '';
+            continue;
+          }
+        }
+
+        switch (token.type) {
+          case 'space':
+            {
+              continue;
+            }
+
+          case 'hr':
+            {
+              out += this.renderer.hr();
+              continue;
+            }
+
+          case 'heading':
+            {
+              out += this.renderer.heading(this.parseInline(token.tokens), token.depth, unescape(this.parseInline(token.tokens, this.textRenderer)), this.slugger);
+              continue;
+            }
+
+          case 'code':
+            {
+              out += this.renderer.code(token.text, token.lang, token.escaped);
+              continue;
+            }
+
+          case 'table':
+            {
+              header = ''; // header
+
+              cell = '';
+              l2 = token.header.length;
+
+              for (j = 0; j < l2; j++) {
+                cell += this.renderer.tablecell(this.parseInline(token.header[j].tokens), {
+                  header: true,
+                  align: token.align[j]
+                });
+              }
+
+              header += this.renderer.tablerow(cell);
+              body = '';
+              l2 = token.rows.length;
+
+              for (j = 0; j < l2; j++) {
+                row = token.rows[j];
+                cell = '';
+                l3 = row.length;
+
+                for (k = 0; k < l3; k++) {
+                  cell += this.renderer.tablecell(this.parseInline(row[k].tokens), {
+                    header: false,
+                    align: token.align[k]
+                  });
+                }
+
+                body += this.renderer.tablerow(cell);
+              }
+
+              out += this.renderer.table(header, body);
+              continue;
+            }
+
+          case 'blockquote':
+            {
+              body = this.parse(token.tokens);
+              out += this.renderer.blockquote(body);
+              continue;
+            }
+
+          case 'list':
+            {
+              ordered = token.ordered;
+              start = token.start;
+              loose = token.loose;
+              l2 = token.items.length;
+              body = '';
+
+              for (j = 0; j < l2; j++) {
+                item = token.items[j];
+                checked = item.checked;
+                task = item.task;
+                itemBody = '';
+
+                if (item.task) {
+                  checkbox = this.renderer.checkbox(checked);
+
+                  if (loose) {
+                    if (item.tokens.length > 0 && item.tokens[0].type === 'paragraph') {
+                      item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;
+
+                      if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') {
+                        item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
+                      }
+                    } else {
+                      item.tokens.unshift({
+                        type: 'text',
+                        text: checkbox
+                      });
+                    }
+                  } else {
+                    itemBody += checkbox;
+                  }
+                }
+
+                itemBody += this.parse(item.tokens, loose);
+                body += this.renderer.listitem(itemBody, task, checked);
+              }
+
+              out += this.renderer.list(body, ordered, start);
+              continue;
+            }
+
+          case 'html':
+            {
+              // TODO parse inline content if parameter markdown=1
+              out += this.renderer.html(token.text);
+              continue;
+            }
+
+          case 'paragraph':
+            {
+              out += this.renderer.paragraph(this.parseInline(token.tokens));
+              continue;
+            }
+
+          case 'text':
+            {
+              body = token.tokens ? this.parseInline(token.tokens) : token.text;
+
+              while (i + 1 < l && tokens[i + 1].type === 'text') {
+                token = tokens[++i];
+                body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
+              }
+
+              out += top ? this.renderer.paragraph(body) : body;
+              continue;
+            }
+
+          default:
+            {
+              var errMsg = 'Token with "' + token.type + '" type was not found.';
+
+              if (this.options.silent) {
+                console.error(errMsg);
+                return;
+              } else {
+                throw new Error(errMsg);
+              }
+            }
+        }
+      }
+
+      return out;
+    }
+    /**
+     * Parse Inline Tokens
+     */
+    ;
+
+    _proto.parseInline = function parseInline(tokens, renderer) {
+      renderer = renderer || this.renderer;
+      var out = '',
+          i,
+          token,
+          ret;
+      var l = tokens.length;
+
+      for (i = 0; i < l; i++) {
+        token = tokens[i]; // Run any renderer extensions
+
+        if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
+          ret = this.options.extensions.renderers[token.type].call({
+            parser: this
+          }, token);
+
+          if (ret !== false || !['escape', 'html', 'link', 'image', 'strong', 'em', 'codespan', 'br', 'del', 'text'].includes(token.type)) {
+            out += ret || '';
+            continue;
+          }
+        }
+
+        switch (token.type) {
+          case 'escape':
+            {
+              out += renderer.text(token.text);
+              break;
+            }
+
+          case 'html':
+            {
+              out += renderer.html(token.text);
+              break;
+            }
+
+          case 'link':
+            {
+              out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'image':
+            {
+              out += renderer.image(token.href, token.title, token.text);
+              break;
+            }
+
+          case 'strong':
+            {
+              out += renderer.strong(this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'em':
+            {
+              out += renderer.em(this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'codespan':
+            {
+              out += renderer.codespan(token.text);
+              break;
+            }
+
+          case 'br':
+            {
+              out += renderer.br();
+              break;
+            }
+
+          case 'del':
+            {
+              out += renderer.del(this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'text':
+            {
+              out += renderer.text(token.text);
+              break;
+            }
+
+          default:
+            {
+              var errMsg = 'Token with "' + token.type + '" type was not found.';
+
+              if (this.options.silent) {
+                console.error(errMsg);
+                return;
+              } else {
+                throw new Error(errMsg);
+              }
+            }
+        }
+      }
+
+      return out;
+    };
+
+    return Parser;
+  }();
+
+  var Lexer = Lexer_1;
+  var Parser = Parser_1;
+  var Tokenizer = Tokenizer_1;
+  var Renderer = Renderer_1;
+  var TextRenderer = TextRenderer_1;
+  var Slugger = Slugger_1;
+  var merge = helpers.merge,
+      checkSanitizeDeprecation = helpers.checkSanitizeDeprecation,
+      escape = helpers.escape;
+  var getDefaults = defaults$5.exports.getDefaults,
+      changeDefaults = defaults$5.exports.changeDefaults,
+      defaults = defaults$5.exports.defaults;
+  /**
+   * Marked
+   */
+
+  function marked(src, opt, callback) {
+    // throw error in case of non string input
+    if (typeof src === 'undefined' || src === null) {
+      throw new Error('marked(): input parameter is undefined or null');
+    }
+
+    if (typeof src !== 'string') {
+      throw new Error('marked(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
+    }
+
+    if (typeof opt === 'function') {
+      callback = opt;
+      opt = null;
+    }
+
+    opt = merge({}, marked.defaults, opt || {});
+    checkSanitizeDeprecation(opt);
+
+    if (callback) {
+      var highlight = opt.highlight;
+      var tokens;
+
+      try {
+        tokens = Lexer.lex(src, opt);
+      } catch (e) {
+        return callback(e);
+      }
+
+      var done = function done(err) {
+        var out;
+
+        if (!err) {
+          try {
+            if (opt.walkTokens) {
+              marked.walkTokens(tokens, opt.walkTokens);
+            }
+
+            out = Parser.parse(tokens, opt);
+          } catch (e) {
+            err = e;
+          }
+        }
+
+        opt.highlight = highlight;
+        return err ? callback(err) : callback(null, out);
+      };
+
+      if (!highlight || highlight.length < 3) {
+        return done();
+      }
+
+      delete opt.highlight;
+      if (!tokens.length) return done();
+      var pending = 0;
+      marked.walkTokens(tokens, function (token) {
+        if (token.type === 'code') {
+          pending++;
+          setTimeout(function () {
+            highlight(token.text, token.lang, function (err, code) {
+              if (err) {
+                return done(err);
+              }
+
+              if (code != null && code !== token.text) {
+                token.text = code;
+                token.escaped = true;
+              }
+
+              pending--;
+
+              if (pending === 0) {
+                done();
+              }
+            });
+          }, 0);
+        }
+      });
+
+      if (pending === 0) {
+        done();
+      }
+
+      return;
+    }
+
+    try {
+      var _tokens = Lexer.lex(src, opt);
+
+      if (opt.walkTokens) {
+        marked.walkTokens(_tokens, opt.walkTokens);
+      }
+
+      return Parser.parse(_tokens, opt);
+    } catch (e) {
+      e.message += '\nPlease report this to https://github.com/markedjs/marked.';
+
+      if (opt.silent) {
+        return '
    An error occurred:
    ' + escape(e.message + '', true) + '
    ';
+      }
+
+      throw e;
+    }
+  }
+  /**
+   * Options
+   */
+
+
+  marked.options = marked.setOptions = function (opt) {
+    merge(marked.defaults, opt);
+    changeDefaults(marked.defaults);
+    return marked;
+  };
+
+  marked.getDefaults = getDefaults;
+  marked.defaults = defaults;
+  /**
+   * Use Extension
+   */
+
+  marked.use = function () {
+    var _this = this;
+
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    var opts = merge.apply(void 0, [{}].concat(args));
+    var extensions = marked.defaults.extensions || {
+      renderers: {},
+      childTokens: {}
+    };
+    var hasExtensions;
+    args.forEach(function (pack) {
+      // ==-- Parse "addon" extensions --== //
+      if (pack.extensions) {
+        hasExtensions = true;
+        pack.extensions.forEach(function (ext) {
+          if (!ext.name) {
+            throw new Error('extension name required');
+          }
+
+          if (ext.renderer) {
+            // Renderer extensions
+            var prevRenderer = extensions.renderers ? extensions.renderers[ext.name] : null;
+
+            if (prevRenderer) {
+              // Replace extension with func to run new extension but fall back if false
+              extensions.renderers[ext.name] = function () {
+                for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+                  args[_key2] = arguments[_key2];
+                }
+
+                var ret = ext.renderer.apply(this, args);
+
+                if (ret === false) {
+                  ret = prevRenderer.apply(this, args);
+                }
+
+                return ret;
+              };
+            } else {
+              extensions.renderers[ext.name] = ext.renderer;
+            }
+          }
+
+          if (ext.tokenizer) {
+            // Tokenizer Extensions
+            if (!ext.level || ext.level !== 'block' && ext.level !== 'inline') {
+              throw new Error("extension level must be 'block' or 'inline'");
+            }
+
+            if (extensions[ext.level]) {
+              extensions[ext.level].unshift(ext.tokenizer);
+            } else {
+              extensions[ext.level] = [ext.tokenizer];
+            }
+
+            if (ext.start) {
+              // Function to check for start of token
+              if (ext.level === 'block') {
+                if (extensions.startBlock) {
+                  extensions.startBlock.push(ext.start);
+                } else {
+                  extensions.startBlock = [ext.start];
+                }
+              } else if (ext.level === 'inline') {
+                if (extensions.startInline) {
+                  extensions.startInline.push(ext.start);
+                } else {
+                  extensions.startInline = [ext.start];
+                }
+              }
+            }
+          }
+
+          if (ext.childTokens) {
+            // Child tokens to be visited by walkTokens
+            extensions.childTokens[ext.name] = ext.childTokens;
+          }
+        });
+      } // ==-- Parse "overwrite" extensions --== //
+
+
+      if (pack.renderer) {
+        (function () {
+          var renderer = marked.defaults.renderer || new Renderer();
+
+          var _loop = function _loop(prop) {
+            var prevRenderer = renderer[prop]; // Replace renderer with func to run extension, but fall back if false
+
+            renderer[prop] = function () {
+              for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+                args[_key3] = arguments[_key3];
+              }
+
+              var ret = pack.renderer[prop].apply(renderer, args);
+
+              if (ret === false) {
+                ret = prevRenderer.apply(renderer, args);
+              }
+
+              return ret;
+            };
+          };
+
+          for (var prop in pack.renderer) {
+            _loop(prop);
+          }
+
+          opts.renderer = renderer;
+        })();
+      }
+
+      if (pack.tokenizer) {
+        (function () {
+          var tokenizer = marked.defaults.tokenizer || new Tokenizer();
+
+          var _loop2 = function _loop2(prop) {
+            var prevTokenizer = tokenizer[prop]; // Replace tokenizer with func to run extension, but fall back if false
+
+            tokenizer[prop] = function () {
+              for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+                args[_key4] = arguments[_key4];
+              }
+
+              var ret = pack.tokenizer[prop].apply(tokenizer, args);
+
+              if (ret === false) {
+                ret = prevTokenizer.apply(tokenizer, args);
+              }
+
+              return ret;
+            };
+          };
+
+          for (var prop in pack.tokenizer) {
+            _loop2(prop);
+          }
+
+          opts.tokenizer = tokenizer;
+        })();
+      } // ==-- Parse WalkTokens extensions --== //
+
+
+      if (pack.walkTokens) {
+        var walkTokens = marked.defaults.walkTokens;
+
+        opts.walkTokens = function (token) {
+          pack.walkTokens.call(_this, token);
+
+          if (walkTokens) {
+            walkTokens(token);
+          }
+        };
+      }
+
+      if (hasExtensions) {
+        opts.extensions = extensions;
+      }
+
+      marked.setOptions(opts);
+    });
+  };
+  /**
+   * Run callback for every token
+   */
+
+
+  marked.walkTokens = function (tokens, callback) {
+    var _loop3 = function _loop3() {
+      var token = _step.value;
+      callback(token);
+
+      switch (token.type) {
+        case 'table':
+          {
+            for (var _iterator2 = _createForOfIteratorHelperLoose(token.header), _step2; !(_step2 = _iterator2()).done;) {
+              var cell = _step2.value;
+              marked.walkTokens(cell.tokens, callback);
+            }
+
+            for (var _iterator3 = _createForOfIteratorHelperLoose(token.rows), _step3; !(_step3 = _iterator3()).done;) {
+              var row = _step3.value;
+
+              for (var _iterator4 = _createForOfIteratorHelperLoose(row), _step4; !(_step4 = _iterator4()).done;) {
+                var _cell = _step4.value;
+                marked.walkTokens(_cell.tokens, callback);
+              }
+            }
+
+            break;
+          }
+
+        case 'list':
+          {
+            marked.walkTokens(token.items, callback);
+            break;
+          }
+
+        default:
+          {
+            if (marked.defaults.extensions && marked.defaults.extensions.childTokens && marked.defaults.extensions.childTokens[token.type]) {
+              // Walk any extensions
+              marked.defaults.extensions.childTokens[token.type].forEach(function (childTokens) {
+                marked.walkTokens(token[childTokens], callback);
+              });
+            } else if (token.tokens) {
+              marked.walkTokens(token.tokens, callback);
+            }
+          }
+      }
+    };
+
+    for (var _iterator = _createForOfIteratorHelperLoose(tokens), _step; !(_step = _iterator()).done;) {
+      _loop3();
+    }
+  };
+  /**
+   * Parse Inline
+   */
+
+
+  marked.parseInline = function (src, opt) {
+    // throw error in case of non string input
+    if (typeof src === 'undefined' || src === null) {
+      throw new Error('marked.parseInline(): input parameter is undefined or null');
+    }
+
+    if (typeof src !== 'string') {
+      throw new Error('marked.parseInline(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
+    }
+
+    opt = merge({}, marked.defaults, opt || {});
+    checkSanitizeDeprecation(opt);
+
+    try {
+      var tokens = Lexer.lexInline(src, opt);
+
+      if (opt.walkTokens) {
+        marked.walkTokens(tokens, opt.walkTokens);
+      }
+
+      return Parser.parseInline(tokens, opt);
+    } catch (e) {
+      e.message += '\nPlease report this to https://github.com/markedjs/marked.';
+
+      if (opt.silent) {
+        return '
    An error occurred:
    ' + escape(e.message + '', true) + '
    ';
+      }
+
+      throw e;
+    }
+  };
+  /**
+   * Expose
+   */
+
+
+  marked.Parser = Parser;
+  marked.parser = Parser.parse;
+  marked.Renderer = Renderer;
+  marked.TextRenderer = TextRenderer;
+  marked.Lexer = Lexer;
+  marked.lexer = Lexer.lex;
+  marked.Tokenizer = Tokenizer;
+  marked.Slugger = Slugger;
+  marked.parse = marked;
+  var marked_1 = marked;
+
+  return marked_1;
+
+})));
diff --git a/test/parallel/test-snapshot-umd.js b/test/parallel/test-snapshot-umd.js
new file mode 100644
index 00000000000000..70a7c1ac69a883
--- /dev/null
+++ b/test/parallel/test-snapshot-umd.js
@@ -0,0 +1,77 @@
+'use strict';
+
+// This tests the behavior of loading a UMD module with --build-snapshot
+
+require('../common');
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+const tmpdir = require('../common/tmpdir');
+const fixtures = require('../common/fixtures');
+const path = require('path');
+const fs = require('fs');
+
+tmpdir.refresh();
+const blobPath = path.join(tmpdir.path, 'snapshot.blob');
+const file = fixtures.path('snapshot', 'marked.js');
+
+{
+  // By default, the snapshot blob path is snapshot.blob at cwd
+  const child = spawnSync(process.execPath, [
+    '--snapshot-blob',
+    blobPath,
+    '--build-snapshot',
+    file,
+  ], {
+    cwd: tmpdir.path
+  });
+  const stderr = child.stderr.toString();
+  const stdout = child.stdout.toString();
+  console.log(stderr);
+  console.log(stdout);
+  assert.strictEqual(child.status, 0);
+
+  const stats = fs.statSync(path.join(tmpdir.path, 'snapshot.blob'));
+  assert(stats.isFile());
+}
+
+{
+  let child = spawnSync(process.execPath, [
+    '--snapshot-blob',
+    path.join(tmpdir.path, 'snapshot.blob'),
+    fixtures.path('snapshot', 'check-marked.js'),
+  ], {
+    cwd: tmpdir.path,
+    env: {
+      ...process.env,
+      NODE_TEST_USE_SNAPSHOT: 'true'
+    }
+  });
+  let stderr = child.stderr.toString();
+  const snapshotOutput = child.stdout.toString();
+  console.log(stderr);
+  console.log(snapshotOutput);
+
+  assert.strictEqual(child.status, 0);
+  assert(stderr.includes('NODE_TEST_USE_SNAPSHOT true'));
+
+  child = spawnSync(process.execPath, [
+    '--snapshot-blob',
+    blobPath,
+    fixtures.path('snapshot', 'check-marked.js'),
+  ], {
+    cwd: tmpdir.path,
+    env: {
+      ...process.env,
+      NODE_TEST_USE_SNAPSHOT: 'false'
+    }
+  });
+  stderr = child.stderr.toString();
+  const verifyOutput = child.stdout.toString();
+  console.log(stderr);
+  console.log(verifyOutput);
+
+  assert.strictEqual(child.status, 0);
+  assert(stderr.includes('NODE_TEST_USE_SNAPSHOT false'));
+
+  assert(snapshotOutput.includes(verifyOutput));
+}

From 02e10a5512323d293c7821e96284e380d5b2e4f6 Mon Sep 17 00:00:00 2001
From: Joyee Cheung 
Date: Mon, 27 Sep 2021 15:24:40 +0800
Subject: [PATCH 055/147] test: test snapshotting TypeScript compiler

PR-URL: https://github.com/nodejs/node/pull/38905
Refs: https://github.com/nodejs/node/issues/35711
Reviewed-By: Chengzhong Wu 
Reviewed-By: Matteo Collina 
---
 test/fixtures/snapshot/ts-example.js      |      8 +
 test/fixtures/snapshot/ts-example.ts      |     11 +
 test/fixtures/snapshot/typescript-main.js |     28 +
 test/fixtures/snapshot/typescript.js      | 168725 +++++++++++++++++++
 test/parallel/test-snapshot-typescript.js |     69 +
 5 files changed, 168841 insertions(+)
 create mode 100644 test/fixtures/snapshot/ts-example.js
 create mode 100644 test/fixtures/snapshot/ts-example.ts
 create mode 100644 test/fixtures/snapshot/typescript-main.js
 create mode 100644 test/fixtures/snapshot/typescript.js
 create mode 100644 test/parallel/test-snapshot-typescript.js

diff --git a/test/fixtures/snapshot/ts-example.js b/test/fixtures/snapshot/ts-example.js
new file mode 100644
index 00000000000000..c0faffd7c9cafc
--- /dev/null
+++ b/test/fixtures/snapshot/ts-example.js
@@ -0,0 +1,8 @@
+var VirtualPoint = /** @class */ (function () {
+    function VirtualPoint(x, y) {
+        this.x = x;
+        this.y = y;
+    }
+    return VirtualPoint;
+}());
+var newVPoint = new VirtualPoint(13, 56);
diff --git a/test/fixtures/snapshot/ts-example.ts b/test/fixtures/snapshot/ts-example.ts
new file mode 100644
index 00000000000000..46b5409179671c
--- /dev/null
+++ b/test/fixtures/snapshot/ts-example.ts
@@ -0,0 +1,11 @@
+class VirtualPoint {
+  x: number;
+  y: number;
+ 
+  constructor(x: number, y: number) {
+    this.x = x;
+    this.y = y;
+  }
+}
+ 
+const newVPoint = new VirtualPoint(13, 56);
diff --git a/test/fixtures/snapshot/typescript-main.js b/test/fixtures/snapshot/typescript-main.js
new file mode 100644
index 00000000000000..4b0c8274cec312
--- /dev/null
+++ b/test/fixtures/snapshot/typescript-main.js
@@ -0,0 +1,28 @@
+// This file is to be concatenated with
+// https://github.com/microsoft/TypeScript/blob/main/lib/typescript.js
+// to produce a snapshot that reads a file path from the command
+// line and compile it into JavaScript, then write the
+// result into another file.
+
+const fs = require('fs');
+const v8 = require('v8');
+const assert = require('assert');
+
+v8.startupSnapshot.setDeserializeMainFunction(( { ts }) => {
+  const input = process.argv[1];
+  const output = process.argv[2];
+  console.error(`Compiling ${input} to ${output}`);
+  assert(input);
+  assert(output);
+  const source = fs.readFileSync(input, 'utf8');
+
+  let result = ts.transpileModule(
+    source,
+    {
+      compilerOptions: {
+        module: ts.ModuleKind.CommonJS
+      }
+    });
+
+  fs.writeFileSync(output, result.outputText, 'utf8');
+}, { ts });
diff --git a/test/fixtures/snapshot/typescript.js b/test/fixtures/snapshot/typescript.js
new file mode 100644
index 00000000000000..e8734a648d0bcd
--- /dev/null
+++ b/test/fixtures/snapshot/typescript.js
@@ -0,0 +1,168725 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+"use strict";
+var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
+    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
+        if (ar || !(i in from)) {
+            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
+            ar[i] = from[i];
+        }
+    }
+    return to.concat(ar || Array.prototype.slice.call(from));
+};
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
+    if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
+    return cooked;
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (_) try {
+            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [op[0] & 2, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
+var __rest = (this && this.__rest) || function (s, e) {
+    var t = {};
+    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
+        t[p] = s[p];
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
+        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
+            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
+                t[p[i]] = s[p[i]];
+        }
+    return t;
+};
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+/* @internal */
+var ts;
+(function (ts) {
+    function createMapData() {
+        var sentinel = {};
+        sentinel.prev = sentinel;
+        return { head: sentinel, tail: sentinel, size: 0 };
+    }
+    function createMapEntry(key, value) {
+        return { key: key, value: value, next: undefined, prev: undefined };
+    }
+    function sameValueZero(x, y) {
+        // Treats -0 === 0 and NaN === NaN
+        return x === y || x !== x && y !== y;
+    }
+    function getPrev(entry) {
+        var prev = entry.prev;
+        // Entries without a 'prev' have been removed from the map.
+        // An entry whose 'prev' points to itself is the head of the list and is invalid here.
+        if (!prev || prev === entry)
+            throw new Error("Illegal state");
+        return prev;
+    }
+    function getNext(entry) {
+        while (entry) {
+            // Entries without a 'prev' have been removed from the map. Their 'next'
+            // pointer should point to the previous entry prior to deletion and
+            // that entry should be skipped to resume iteration.
+            var skipNext = !entry.prev;
+            entry = entry.next;
+            if (skipNext) {
+                continue;
+            }
+            return entry;
+        }
+    }
+    function getEntry(data, key) {
+        // We walk backwards from 'tail' to prioritize recently added entries.
+        // We skip 'head' because it is an empty entry used to track iteration start.
+        for (var entry = data.tail; entry !== data.head; entry = getPrev(entry)) {
+            if (sameValueZero(entry.key, key)) {
+                return entry;
+            }
+        }
+    }
+    function addOrUpdateEntry(data, key, value) {
+        var existing = getEntry(data, key);
+        if (existing) {
+            existing.value = value;
+            return;
+        }
+        var entry = createMapEntry(key, value);
+        entry.prev = data.tail;
+        data.tail.next = entry;
+        data.tail = entry;
+        data.size++;
+        return entry;
+    }
+    function deleteEntry(data, key) {
+        // We walk backwards from 'tail' to prioritize recently added entries.
+        // We skip 'head' because it is an empty entry used to track iteration start.
+        for (var entry = data.tail; entry !== data.head; entry = getPrev(entry)) {
+            // all entries in the map should have a 'prev' pointer.
+            if (entry.prev === undefined)
+                throw new Error("Illegal state");
+            if (sameValueZero(entry.key, key)) {
+                if (entry.next) {
+                    entry.next.prev = entry.prev;
+                }
+                else {
+                    // an entry in the map without a 'next' pointer must be the 'tail'.
+                    if (data.tail !== entry)
+                        throw new Error("Illegal state");
+                    data.tail = entry.prev;
+                }
+                entry.prev.next = entry.next;
+                entry.next = entry.prev;
+                entry.prev = undefined;
+                data.size--;
+                return entry;
+            }
+        }
+    }
+    function clearEntries(data) {
+        var node = data.tail;
+        while (node !== data.head) {
+            var prev = getPrev(node);
+            node.next = data.head;
+            node.prev = undefined;
+            node = prev;
+        }
+        data.head.next = undefined;
+        data.tail = data.head;
+        data.size = 0;
+    }
+    function forEachEntry(data, action) {
+        var entry = data.head;
+        while (entry) {
+            entry = getNext(entry);
+            if (entry) {
+                action(entry.value, entry.key);
+            }
+        }
+    }
+    function forEachIteration(iterator, action) {
+        if (iterator) {
+            for (var step = iterator.next(); !step.done; step = iterator.next()) {
+                action(step.value);
+            }
+        }
+    }
+    function createIteratorData(data, selector) {
+        return { current: data.head, selector: selector };
+    }
+    function iteratorNext(data) {
+        // Navigate to the next entry.
+        data.current = getNext(data.current);
+        if (data.current) {
+            return { value: data.selector(data.current.key, data.current.value), done: false };
+        }
+        else {
+            return { value: undefined, done: true };
+        }
+    }
+    /* @internal */
+    var ShimCollections;
+    (function (ShimCollections) {
+        function createMapShim(getIterator) {
+            var MapIterator = /** @class */ (function () {
+                function MapIterator(data, selector) {
+                    this._data = createIteratorData(data, selector);
+                }
+                MapIterator.prototype.next = function () { return iteratorNext(this._data); };
+                return MapIterator;
+            }());
+            return /** @class */ (function () {
+                function Map(iterable) {
+                    var _this = this;
+                    this._mapData = createMapData();
+                    forEachIteration(getIterator(iterable), function (_a) {
+                        var key = _a[0], value = _a[1];
+                        return _this.set(key, value);
+                    });
+                }
+                Object.defineProperty(Map.prototype, "size", {
+                    get: function () { return this._mapData.size; },
+                    enumerable: false,
+                    configurable: true
+                });
+                Map.prototype.get = function (key) { var _a; return (_a = getEntry(this._mapData, key)) === null || _a === void 0 ? void 0 : _a.value; };
+                Map.prototype.set = function (key, value) { return addOrUpdateEntry(this._mapData, key, value), this; };
+                Map.prototype.has = function (key) { return !!getEntry(this._mapData, key); };
+                Map.prototype.delete = function (key) { return !!deleteEntry(this._mapData, key); };
+                Map.prototype.clear = function () { clearEntries(this._mapData); };
+                Map.prototype.keys = function () { return new MapIterator(this._mapData, function (key, _value) { return key; }); };
+                Map.prototype.values = function () { return new MapIterator(this._mapData, function (_key, value) { return value; }); };
+                Map.prototype.entries = function () { return new MapIterator(this._mapData, function (key, value) { return [key, value]; }); };
+                Map.prototype.forEach = function (action) { forEachEntry(this._mapData, action); };
+                return Map;
+            }());
+        }
+        ShimCollections.createMapShim = createMapShim;
+        function createSetShim(getIterator) {
+            var SetIterator = /** @class */ (function () {
+                function SetIterator(data, selector) {
+                    this._data = createIteratorData(data, selector);
+                }
+                SetIterator.prototype.next = function () { return iteratorNext(this._data); };
+                return SetIterator;
+            }());
+            return /** @class */ (function () {
+                function Set(iterable) {
+                    var _this = this;
+                    this._mapData = createMapData();
+                    forEachIteration(getIterator(iterable), function (value) { return _this.add(value); });
+                }
+                Object.defineProperty(Set.prototype, "size", {
+                    get: function () { return this._mapData.size; },
+                    enumerable: false,
+                    configurable: true
+                });
+                Set.prototype.add = function (value) { return addOrUpdateEntry(this._mapData, value, value), this; };
+                Set.prototype.has = function (value) { return !!getEntry(this._mapData, value); };
+                Set.prototype.delete = function (value) { return !!deleteEntry(this._mapData, value); };
+                Set.prototype.clear = function () { clearEntries(this._mapData); };
+                Set.prototype.keys = function () { return new SetIterator(this._mapData, function (key, _value) { return key; }); };
+                Set.prototype.values = function () { return new SetIterator(this._mapData, function (_key, value) { return value; }); };
+                Set.prototype.entries = function () { return new SetIterator(this._mapData, function (key, value) { return [key, value]; }); };
+                Set.prototype.forEach = function (action) { forEachEntry(this._mapData, action); };
+                return Set;
+            }());
+        }
+        ShimCollections.createSetShim = createSetShim;
+    })(ShimCollections = ts.ShimCollections || (ts.ShimCollections = {}));
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    // WARNING: The script `configurePrerelease.ts` uses a regexp to parse out these values.
+    // If changing the text in this section, be sure to test `configurePrerelease` too.
+    ts.versionMajorMinor = "4.7";
+    // The following is baselined as a literal template type without intervention
+    /** The version of the TypeScript compiler release */
+    // eslint-disable-next-line @typescript-eslint/no-inferrable-types
+    ts.version = "4.7.4";
+    /* @internal */
+    var Comparison;
+    (function (Comparison) {
+        Comparison[Comparison["LessThan"] = -1] = "LessThan";
+        Comparison[Comparison["EqualTo"] = 0] = "EqualTo";
+        Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan";
+    })(Comparison = ts.Comparison || (ts.Comparison = {}));
+    /* @internal */
+    var NativeCollections;
+    (function (NativeCollections) {
+        var globals = typeof globalThis !== "undefined" ? globalThis :
+            typeof global !== "undefined" ? global :
+                typeof self !== "undefined" ? self :
+                    undefined;
+        /**
+         * Returns the native Map implementation if it is available and compatible (i.e. supports iteration).
+         */
+        function tryGetNativeMap() {
+            // Internet Explorer's Map doesn't support iteration, so don't use it.
+            var gMap = globals === null || globals === void 0 ? void 0 : globals.Map;
+            // eslint-disable-next-line no-in-operator
+            return typeof gMap !== "undefined" && "entries" in gMap.prototype && new gMap([[0, 0]]).size === 1 ? gMap : undefined;
+        }
+        NativeCollections.tryGetNativeMap = tryGetNativeMap;
+        /**
+         * Returns the native Set implementation if it is available and compatible (i.e. supports iteration).
+         */
+        function tryGetNativeSet() {
+            // Internet Explorer's Set doesn't support iteration, so don't use it.
+            var gSet = globals === null || globals === void 0 ? void 0 : globals.Set;
+            // eslint-disable-next-line no-in-operator
+            return typeof gSet !== "undefined" && "entries" in gSet.prototype && new gSet([0]).size === 1 ? gSet : undefined;
+        }
+        NativeCollections.tryGetNativeSet = tryGetNativeSet;
+    })(NativeCollections || (NativeCollections = {}));
+    /* @internal */
+    ts.Map = getCollectionImplementation("Map", "tryGetNativeMap", "createMapShim");
+    /* @internal */
+    ts.Set = getCollectionImplementation("Set", "tryGetNativeSet", "createSetShim");
+    /* @internal */
+    function getCollectionImplementation(name, nativeFactory, shimFactory) {
+        var _a;
+        // NOTE: ts.ShimCollections will be defined for typescriptServices.js but not for tsc.js, so we must test for it.
+        var constructor = (_a = NativeCollections[nativeFactory]()) !== null && _a !== void 0 ? _a : ts.ShimCollections === null || ts.ShimCollections === void 0 ? void 0 : ts.ShimCollections[shimFactory](ts.getIterator);
+        if (constructor)
+            return constructor;
+        throw new Error("TypeScript requires an environment that provides a compatible native ".concat(name, " implementation."));
+    }
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    function getIterator(iterable) {
+        if (iterable) {
+            if (isArray(iterable))
+                return arrayIterator(iterable);
+            if (iterable instanceof ts.Map)
+                return iterable.entries();
+            if (iterable instanceof ts.Set)
+                return iterable.values();
+            throw new Error("Iteration not supported.");
+        }
+    }
+    ts.getIterator = getIterator;
+    ts.emptyArray = [];
+    ts.emptyMap = new ts.Map();
+    ts.emptySet = new ts.Set();
+    function length(array) {
+        return array ? array.length : 0;
+    }
+    ts.length = length;
+    /**
+     * Iterates through 'array' by index and performs the callback on each element of array until the callback
+     * returns a truthy value, then returns that value.
+     * If no such value is found, the callback is applied to each element of array and undefined is returned.
+     */
+    function forEach(array, callback) {
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var result = callback(array[i], i);
+                if (result) {
+                    return result;
+                }
+            }
+        }
+        return undefined;
+    }
+    ts.forEach = forEach;
+    /**
+     * Like `forEach`, but iterates in reverse order.
+     */
+    function forEachRight(array, callback) {
+        if (array) {
+            for (var i = array.length - 1; i >= 0; i--) {
+                var result = callback(array[i], i);
+                if (result) {
+                    return result;
+                }
+            }
+        }
+        return undefined;
+    }
+    ts.forEachRight = forEachRight;
+    /** Like `forEach`, but suitable for use with numbers and strings (which may be falsy). */
+    function firstDefined(array, callback) {
+        if (array === undefined) {
+            return undefined;
+        }
+        for (var i = 0; i < array.length; i++) {
+            var result = callback(array[i], i);
+            if (result !== undefined) {
+                return result;
+            }
+        }
+        return undefined;
+    }
+    ts.firstDefined = firstDefined;
+    function firstDefinedIterator(iter, callback) {
+        while (true) {
+            var iterResult = iter.next();
+            if (iterResult.done) {
+                return undefined;
+            }
+            var result = callback(iterResult.value);
+            if (result !== undefined) {
+                return result;
+            }
+        }
+    }
+    ts.firstDefinedIterator = firstDefinedIterator;
+    function reduceLeftIterator(iterator, f, initial) {
+        var result = initial;
+        if (iterator) {
+            for (var step = iterator.next(), pos = 0; !step.done; step = iterator.next(), pos++) {
+                result = f(result, step.value, pos);
+            }
+        }
+        return result;
+    }
+    ts.reduceLeftIterator = reduceLeftIterator;
+    function zipWith(arrayA, arrayB, callback) {
+        var result = [];
+        ts.Debug.assertEqual(arrayA.length, arrayB.length);
+        for (var i = 0; i < arrayA.length; i++) {
+            result.push(callback(arrayA[i], arrayB[i], i));
+        }
+        return result;
+    }
+    ts.zipWith = zipWith;
+    function zipToIterator(arrayA, arrayB) {
+        ts.Debug.assertEqual(arrayA.length, arrayB.length);
+        var i = 0;
+        return {
+            next: function () {
+                if (i === arrayA.length) {
+                    return { value: undefined, done: true };
+                }
+                i++;
+                return { value: [arrayA[i - 1], arrayB[i - 1]], done: false };
+            }
+        };
+    }
+    ts.zipToIterator = zipToIterator;
+    function zipToMap(keys, values) {
+        ts.Debug.assert(keys.length === values.length);
+        var map = new ts.Map();
+        for (var i = 0; i < keys.length; ++i) {
+            map.set(keys[i], values[i]);
+        }
+        return map;
+    }
+    ts.zipToMap = zipToMap;
+    /**
+     * Creates a new array with `element` interspersed in between each element of `input`
+     * if there is more than 1 value in `input`. Otherwise, returns the existing array.
+     */
+    function intersperse(input, element) {
+        if (input.length <= 1) {
+            return input;
+        }
+        var result = [];
+        for (var i = 0, n = input.length; i < n; i++) {
+            if (i)
+                result.push(element);
+            result.push(input[i]);
+        }
+        return result;
+    }
+    ts.intersperse = intersperse;
+    /**
+     * Iterates through `array` by index and performs the callback on each element of array until the callback
+     * returns a falsey value, then returns false.
+     * If no such value is found, the callback is applied to each element of array and `true` is returned.
+     */
+    function every(array, callback) {
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                if (!callback(array[i], i)) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+    ts.every = every;
+    function find(array, predicate) {
+        for (var i = 0; i < array.length; i++) {
+            var value = array[i];
+            if (predicate(value, i)) {
+                return value;
+            }
+        }
+        return undefined;
+    }
+    ts.find = find;
+    function findLast(array, predicate) {
+        for (var i = array.length - 1; i >= 0; i--) {
+            var value = array[i];
+            if (predicate(value, i)) {
+                return value;
+            }
+        }
+        return undefined;
+    }
+    ts.findLast = findLast;
+    /** Works like Array.prototype.findIndex, returning `-1` if no element satisfying the predicate is found. */
+    function findIndex(array, predicate, startIndex) {
+        for (var i = startIndex || 0; i < array.length; i++) {
+            if (predicate(array[i], i)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+    ts.findIndex = findIndex;
+    function findLastIndex(array, predicate, startIndex) {
+        for (var i = startIndex === undefined ? array.length - 1 : startIndex; i >= 0; i--) {
+            if (predicate(array[i], i)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+    ts.findLastIndex = findLastIndex;
+    /**
+     * Returns the first truthy result of `callback`, or else fails.
+     * This is like `forEach`, but never returns undefined.
+     */
+    function findMap(array, callback) {
+        for (var i = 0; i < array.length; i++) {
+            var result = callback(array[i], i);
+            if (result) {
+                return result;
+            }
+        }
+        return ts.Debug.fail();
+    }
+    ts.findMap = findMap;
+    function contains(array, value, equalityComparer) {
+        if (equalityComparer === void 0) { equalityComparer = equateValues; }
+        if (array) {
+            for (var _i = 0, array_1 = array; _i < array_1.length; _i++) {
+                var v = array_1[_i];
+                if (equalityComparer(v, value)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+    ts.contains = contains;
+    function arraysEqual(a, b, equalityComparer) {
+        if (equalityComparer === void 0) { equalityComparer = equateValues; }
+        return a.length === b.length && a.every(function (x, i) { return equalityComparer(x, b[i]); });
+    }
+    ts.arraysEqual = arraysEqual;
+    function indexOfAnyCharCode(text, charCodes, start) {
+        for (var i = start || 0; i < text.length; i++) {
+            if (contains(charCodes, text.charCodeAt(i))) {
+                return i;
+            }
+        }
+        return -1;
+    }
+    ts.indexOfAnyCharCode = indexOfAnyCharCode;
+    function countWhere(array, predicate) {
+        var count = 0;
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var v = array[i];
+                if (predicate(v, i)) {
+                    count++;
+                }
+            }
+        }
+        return count;
+    }
+    ts.countWhere = countWhere;
+    function filter(array, f) {
+        if (array) {
+            var len = array.length;
+            var i = 0;
+            while (i < len && f(array[i]))
+                i++;
+            if (i < len) {
+                var result = array.slice(0, i);
+                i++;
+                while (i < len) {
+                    var item = array[i];
+                    if (f(item)) {
+                        result.push(item);
+                    }
+                    i++;
+                }
+                return result;
+            }
+        }
+        return array;
+    }
+    ts.filter = filter;
+    function filterMutate(array, f) {
+        var outIndex = 0;
+        for (var i = 0; i < array.length; i++) {
+            if (f(array[i], i, array)) {
+                array[outIndex] = array[i];
+                outIndex++;
+            }
+        }
+        array.length = outIndex;
+    }
+    ts.filterMutate = filterMutate;
+    function clear(array) {
+        array.length = 0;
+    }
+    ts.clear = clear;
+    function map(array, f) {
+        var result;
+        if (array) {
+            result = [];
+            for (var i = 0; i < array.length; i++) {
+                result.push(f(array[i], i));
+            }
+        }
+        return result;
+    }
+    ts.map = map;
+    function mapIterator(iter, mapFn) {
+        return {
+            next: function () {
+                var iterRes = iter.next();
+                return iterRes.done ? iterRes : { value: mapFn(iterRes.value), done: false };
+            }
+        };
+    }
+    ts.mapIterator = mapIterator;
+    function sameMap(array, f) {
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var item = array[i];
+                var mapped = f(item, i);
+                if (item !== mapped) {
+                    var result = array.slice(0, i);
+                    result.push(mapped);
+                    for (i++; i < array.length; i++) {
+                        result.push(f(array[i], i));
+                    }
+                    return result;
+                }
+            }
+        }
+        return array;
+    }
+    ts.sameMap = sameMap;
+    /**
+     * Flattens an array containing a mix of array or non-array elements.
+     *
+     * @param array The array to flatten.
+     */
+    function flatten(array) {
+        var result = [];
+        for (var _i = 0, array_2 = array; _i < array_2.length; _i++) {
+            var v = array_2[_i];
+            if (v) {
+                if (isArray(v)) {
+                    addRange(result, v);
+                }
+                else {
+                    result.push(v);
+                }
+            }
+        }
+        return result;
+    }
+    ts.flatten = flatten;
+    /**
+     * Maps an array. If the mapped value is an array, it is spread into the result.
+     *
+     * @param array The array to map.
+     * @param mapfn The callback used to map the result into one or more values.
+     */
+    function flatMap(array, mapfn) {
+        var result;
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var v = mapfn(array[i], i);
+                if (v) {
+                    if (isArray(v)) {
+                        result = addRange(result, v);
+                    }
+                    else {
+                        result = append(result, v);
+                    }
+                }
+            }
+        }
+        return result || ts.emptyArray;
+    }
+    ts.flatMap = flatMap;
+    function flatMapToMutable(array, mapfn) {
+        var result = [];
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var v = mapfn(array[i], i);
+                if (v) {
+                    if (isArray(v)) {
+                        addRange(result, v);
+                    }
+                    else {
+                        result.push(v);
+                    }
+                }
+            }
+        }
+        return result;
+    }
+    ts.flatMapToMutable = flatMapToMutable;
+    function flatMapIterator(iter, mapfn) {
+        var first = iter.next();
+        if (first.done) {
+            return ts.emptyIterator;
+        }
+        var currentIter = getIterator(first.value);
+        return {
+            next: function () {
+                while (true) {
+                    var currentRes = currentIter.next();
+                    if (!currentRes.done) {
+                        return currentRes;
+                    }
+                    var iterRes = iter.next();
+                    if (iterRes.done) {
+                        return iterRes;
+                    }
+                    currentIter = getIterator(iterRes.value);
+                }
+            },
+        };
+        function getIterator(x) {
+            var res = mapfn(x);
+            return res === undefined ? ts.emptyIterator : isArray(res) ? arrayIterator(res) : res;
+        }
+    }
+    ts.flatMapIterator = flatMapIterator;
+    function sameFlatMap(array, mapfn) {
+        var result;
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var item = array[i];
+                var mapped = mapfn(item, i);
+                if (result || item !== mapped || isArray(mapped)) {
+                    if (!result) {
+                        result = array.slice(0, i);
+                    }
+                    if (isArray(mapped)) {
+                        addRange(result, mapped);
+                    }
+                    else {
+                        result.push(mapped);
+                    }
+                }
+            }
+        }
+        return result || array;
+    }
+    ts.sameFlatMap = sameFlatMap;
+    function mapAllOrFail(array, mapFn) {
+        var result = [];
+        for (var i = 0; i < array.length; i++) {
+            var mapped = mapFn(array[i], i);
+            if (mapped === undefined) {
+                return undefined;
+            }
+            result.push(mapped);
+        }
+        return result;
+    }
+    ts.mapAllOrFail = mapAllOrFail;
+    function mapDefined(array, mapFn) {
+        var result = [];
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var mapped = mapFn(array[i], i);
+                if (mapped !== undefined) {
+                    result.push(mapped);
+                }
+            }
+        }
+        return result;
+    }
+    ts.mapDefined = mapDefined;
+    function mapDefinedIterator(iter, mapFn) {
+        return {
+            next: function () {
+                while (true) {
+                    var res = iter.next();
+                    if (res.done) {
+                        return res;
+                    }
+                    var value = mapFn(res.value);
+                    if (value !== undefined) {
+                        return { value: value, done: false };
+                    }
+                }
+            }
+        };
+    }
+    ts.mapDefinedIterator = mapDefinedIterator;
+    function mapDefinedEntries(map, f) {
+        if (!map) {
+            return undefined;
+        }
+        var result = new ts.Map();
+        map.forEach(function (value, key) {
+            var entry = f(key, value);
+            if (entry !== undefined) {
+                var newKey = entry[0], newValue = entry[1];
+                if (newKey !== undefined && newValue !== undefined) {
+                    result.set(newKey, newValue);
+                }
+            }
+        });
+        return result;
+    }
+    ts.mapDefinedEntries = mapDefinedEntries;
+    function mapDefinedValues(set, f) {
+        if (set) {
+            var result_1 = new ts.Set();
+            set.forEach(function (value) {
+                var newValue = f(value);
+                if (newValue !== undefined) {
+                    result_1.add(newValue);
+                }
+            });
+            return result_1;
+        }
+    }
+    ts.mapDefinedValues = mapDefinedValues;
+    function getOrUpdate(map, key, callback) {
+        if (map.has(key)) {
+            return map.get(key);
+        }
+        var value = callback();
+        map.set(key, value);
+        return value;
+    }
+    ts.getOrUpdate = getOrUpdate;
+    function tryAddToSet(set, value) {
+        if (!set.has(value)) {
+            set.add(value);
+            return true;
+        }
+        return false;
+    }
+    ts.tryAddToSet = tryAddToSet;
+    ts.emptyIterator = { next: function () { return ({ value: undefined, done: true }); } };
+    function singleIterator(value) {
+        var done = false;
+        return {
+            next: function () {
+                var wasDone = done;
+                done = true;
+                return wasDone ? { value: undefined, done: true } : { value: value, done: false };
+            }
+        };
+    }
+    ts.singleIterator = singleIterator;
+    function spanMap(array, keyfn, mapfn) {
+        var result;
+        if (array) {
+            result = [];
+            var len = array.length;
+            var previousKey = void 0;
+            var key = void 0;
+            var start = 0;
+            var pos = 0;
+            while (start < len) {
+                while (pos < len) {
+                    var value = array[pos];
+                    key = keyfn(value, pos);
+                    if (pos === 0) {
+                        previousKey = key;
+                    }
+                    else if (key !== previousKey) {
+                        break;
+                    }
+                    pos++;
+                }
+                if (start < pos) {
+                    var v = mapfn(array.slice(start, pos), previousKey, start, pos);
+                    if (v) {
+                        result.push(v);
+                    }
+                    start = pos;
+                }
+                previousKey = key;
+                pos++;
+            }
+        }
+        return result;
+    }
+    ts.spanMap = spanMap;
+    function mapEntries(map, f) {
+        if (!map) {
+            return undefined;
+        }
+        var result = new ts.Map();
+        map.forEach(function (value, key) {
+            var _a = f(key, value), newKey = _a[0], newValue = _a[1];
+            result.set(newKey, newValue);
+        });
+        return result;
+    }
+    ts.mapEntries = mapEntries;
+    function some(array, predicate) {
+        if (array) {
+            if (predicate) {
+                for (var _i = 0, array_3 = array; _i < array_3.length; _i++) {
+                    var v = array_3[_i];
+                    if (predicate(v)) {
+                        return true;
+                    }
+                }
+            }
+            else {
+                return array.length > 0;
+            }
+        }
+        return false;
+    }
+    ts.some = some;
+    /** Calls the callback with (start, afterEnd) index pairs for each range where 'pred' is true. */
+    function getRangesWhere(arr, pred, cb) {
+        var start;
+        for (var i = 0; i < arr.length; i++) {
+            if (pred(arr[i])) {
+                start = start === undefined ? i : start;
+            }
+            else {
+                if (start !== undefined) {
+                    cb(start, i);
+                    start = undefined;
+                }
+            }
+        }
+        if (start !== undefined)
+            cb(start, arr.length);
+    }
+    ts.getRangesWhere = getRangesWhere;
+    function concatenate(array1, array2) {
+        if (!some(array2))
+            return array1;
+        if (!some(array1))
+            return array2;
+        return __spreadArray(__spreadArray([], array1, true), array2, true);
+    }
+    ts.concatenate = concatenate;
+    function selectIndex(_, i) {
+        return i;
+    }
+    function indicesOf(array) {
+        return array.map(selectIndex);
+    }
+    ts.indicesOf = indicesOf;
+    function deduplicateRelational(array, equalityComparer, comparer) {
+        // Perform a stable sort of the array. This ensures the first entry in a list of
+        // duplicates remains the first entry in the result.
+        var indices = indicesOf(array);
+        stableSortIndices(array, indices, comparer);
+        var last = array[indices[0]];
+        var deduplicated = [indices[0]];
+        for (var i = 1; i < indices.length; i++) {
+            var index = indices[i];
+            var item = array[index];
+            if (!equalityComparer(last, item)) {
+                deduplicated.push(index);
+                last = item;
+            }
+        }
+        // restore original order
+        deduplicated.sort();
+        return deduplicated.map(function (i) { return array[i]; });
+    }
+    function deduplicateEquality(array, equalityComparer) {
+        var result = [];
+        for (var _i = 0, array_4 = array; _i < array_4.length; _i++) {
+            var item = array_4[_i];
+            pushIfUnique(result, item, equalityComparer);
+        }
+        return result;
+    }
+    /**
+     * Deduplicates an unsorted array.
+     * @param equalityComparer An `EqualityComparer` used to determine if two values are duplicates.
+     * @param comparer An optional `Comparer` used to sort entries before comparison, though the
+     * result will remain in the original order in `array`.
+     */
+    function deduplicate(array, equalityComparer, comparer) {
+        return array.length === 0 ? [] :
+            array.length === 1 ? array.slice() :
+                comparer ? deduplicateRelational(array, equalityComparer, comparer) :
+                    deduplicateEquality(array, equalityComparer);
+    }
+    ts.deduplicate = deduplicate;
+    /**
+     * Deduplicates an array that has already been sorted.
+     */
+    function deduplicateSorted(array, comparer) {
+        if (array.length === 0)
+            return ts.emptyArray;
+        var last = array[0];
+        var deduplicated = [last];
+        for (var i = 1; i < array.length; i++) {
+            var next = array[i];
+            switch (comparer(next, last)) {
+                // equality comparison
+                case true:
+                // relational comparison
+                // falls through
+                case 0 /* Comparison.EqualTo */:
+                    continue;
+                case -1 /* Comparison.LessThan */:
+                    // If `array` is sorted, `next` should **never** be less than `last`.
+                    return ts.Debug.fail("Array is unsorted.");
+            }
+            deduplicated.push(last = next);
+        }
+        return deduplicated;
+    }
+    function createSortedArray() {
+        return []; // TODO: GH#19873
+    }
+    ts.createSortedArray = createSortedArray;
+    function insertSorted(array, insert, compare, allowDuplicates) {
+        if (array.length === 0) {
+            array.push(insert);
+            return;
+        }
+        var insertIndex = binarySearch(array, insert, identity, compare);
+        if (insertIndex < 0) {
+            array.splice(~insertIndex, 0, insert);
+        }
+        else if (allowDuplicates) {
+            array.splice(insertIndex, 0, insert);
+        }
+    }
+    ts.insertSorted = insertSorted;
+    function sortAndDeduplicate(array, comparer, equalityComparer) {
+        return deduplicateSorted(sort(array, comparer), equalityComparer || comparer || compareStringsCaseSensitive);
+    }
+    ts.sortAndDeduplicate = sortAndDeduplicate;
+    function arrayIsSorted(array, comparer) {
+        if (array.length < 2)
+            return true;
+        var prevElement = array[0];
+        for (var _i = 0, _a = array.slice(1); _i < _a.length; _i++) {
+            var element = _a[_i];
+            if (comparer(prevElement, element) === 1 /* Comparison.GreaterThan */) {
+                return false;
+            }
+            prevElement = element;
+        }
+        return true;
+    }
+    ts.arrayIsSorted = arrayIsSorted;
+    function arrayIsEqualTo(array1, array2, equalityComparer) {
+        if (equalityComparer === void 0) { equalityComparer = equateValues; }
+        if (!array1 || !array2) {
+            return array1 === array2;
+        }
+        if (array1.length !== array2.length) {
+            return false;
+        }
+        for (var i = 0; i < array1.length; i++) {
+            if (!equalityComparer(array1[i], array2[i], i)) {
+                return false;
+            }
+        }
+        return true;
+    }
+    ts.arrayIsEqualTo = arrayIsEqualTo;
+    function compact(array) {
+        var result;
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var v = array[i];
+                if (result || !v) {
+                    if (!result) {
+                        result = array.slice(0, i);
+                    }
+                    if (v) {
+                        result.push(v);
+                    }
+                }
+            }
+        }
+        return result || array;
+    }
+    ts.compact = compact;
+    /**
+     * Gets the relative complement of `arrayA` with respect to `arrayB`, returning the elements that
+     * are not present in `arrayA` but are present in `arrayB`. Assumes both arrays are sorted
+     * based on the provided comparer.
+     */
+    function relativeComplement(arrayA, arrayB, comparer) {
+        if (!arrayB || !arrayA || arrayB.length === 0 || arrayA.length === 0)
+            return arrayB;
+        var result = [];
+        loopB: for (var offsetA = 0, offsetB = 0; offsetB < arrayB.length; offsetB++) {
+            if (offsetB > 0) {
+                // Ensure `arrayB` is properly sorted.
+                ts.Debug.assertGreaterThanOrEqual(comparer(arrayB[offsetB], arrayB[offsetB - 1]), 0 /* Comparison.EqualTo */);
+            }
+            loopA: for (var startA = offsetA; offsetA < arrayA.length; offsetA++) {
+                if (offsetA > startA) {
+                    // Ensure `arrayA` is properly sorted. We only need to perform this check if
+                    // `offsetA` has changed since we entered the loop.
+                    ts.Debug.assertGreaterThanOrEqual(comparer(arrayA[offsetA], arrayA[offsetA - 1]), 0 /* Comparison.EqualTo */);
+                }
+                switch (comparer(arrayB[offsetB], arrayA[offsetA])) {
+                    case -1 /* Comparison.LessThan */:
+                        // If B is less than A, B does not exist in arrayA. Add B to the result and
+                        // move to the next element in arrayB without changing the current position
+                        // in arrayA.
+                        result.push(arrayB[offsetB]);
+                        continue loopB;
+                    case 0 /* Comparison.EqualTo */:
+                        // If B is equal to A, B exists in arrayA. Move to the next element in
+                        // arrayB without adding B to the result or changing the current position
+                        // in arrayA.
+                        continue loopB;
+                    case 1 /* Comparison.GreaterThan */:
+                        // If B is greater than A, we need to keep looking for B in arrayA. Move to
+                        // the next element in arrayA and recheck.
+                        continue loopA;
+                }
+            }
+        }
+        return result;
+    }
+    ts.relativeComplement = relativeComplement;
+    function sum(array, prop) {
+        var result = 0;
+        for (var _i = 0, array_5 = array; _i < array_5.length; _i++) {
+            var v = array_5[_i];
+            result += v[prop];
+        }
+        return result;
+    }
+    ts.sum = sum;
+    function append(to, value) {
+        if (value === undefined)
+            return to;
+        if (to === undefined)
+            return [value];
+        to.push(value);
+        return to;
+    }
+    ts.append = append;
+    function combine(xs, ys) {
+        if (xs === undefined)
+            return ys;
+        if (ys === undefined)
+            return xs;
+        if (isArray(xs))
+            return isArray(ys) ? concatenate(xs, ys) : append(xs, ys);
+        if (isArray(ys))
+            return append(ys, xs);
+        return [xs, ys];
+    }
+    ts.combine = combine;
+    /**
+     * Gets the actual offset into an array for a relative offset. Negative offsets indicate a
+     * position offset from the end of the array.
+     */
+    function toOffset(array, offset) {
+        return offset < 0 ? array.length + offset : offset;
+    }
+    function addRange(to, from, start, end) {
+        if (from === undefined || from.length === 0)
+            return to;
+        if (to === undefined)
+            return from.slice(start, end);
+        start = start === undefined ? 0 : toOffset(from, start);
+        end = end === undefined ? from.length : toOffset(from, end);
+        for (var i = start; i < end && i < from.length; i++) {
+            if (from[i] !== undefined) {
+                to.push(from[i]);
+            }
+        }
+        return to;
+    }
+    ts.addRange = addRange;
+    /**
+     * @return Whether the value was added.
+     */
+    function pushIfUnique(array, toAdd, equalityComparer) {
+        if (contains(array, toAdd, equalityComparer)) {
+            return false;
+        }
+        else {
+            array.push(toAdd);
+            return true;
+        }
+    }
+    ts.pushIfUnique = pushIfUnique;
+    /**
+     * Unlike `pushIfUnique`, this can take `undefined` as an input, and returns a new array.
+     */
+    function appendIfUnique(array, toAdd, equalityComparer) {
+        if (array) {
+            pushIfUnique(array, toAdd, equalityComparer);
+            return array;
+        }
+        else {
+            return [toAdd];
+        }
+    }
+    ts.appendIfUnique = appendIfUnique;
+    function stableSortIndices(array, indices, comparer) {
+        // sort indices by value then position
+        indices.sort(function (x, y) { return comparer(array[x], array[y]) || compareValues(x, y); });
+    }
+    /**
+     * Returns a new sorted array.
+     */
+    function sort(array, comparer) {
+        return (array.length === 0 ? array : array.slice().sort(comparer));
+    }
+    ts.sort = sort;
+    function arrayIterator(array) {
+        var i = 0;
+        return { next: function () {
+                if (i === array.length) {
+                    return { value: undefined, done: true };
+                }
+                else {
+                    i++;
+                    return { value: array[i - 1], done: false };
+                }
+            } };
+    }
+    ts.arrayIterator = arrayIterator;
+    function arrayReverseIterator(array) {
+        var i = array.length;
+        return {
+            next: function () {
+                if (i === 0) {
+                    return { value: undefined, done: true };
+                }
+                else {
+                    i--;
+                    return { value: array[i], done: false };
+                }
+            }
+        };
+    }
+    ts.arrayReverseIterator = arrayReverseIterator;
+    /**
+     * Stable sort of an array. Elements equal to each other maintain their relative position in the array.
+     */
+    function stableSort(array, comparer) {
+        var indices = indicesOf(array);
+        stableSortIndices(array, indices, comparer);
+        return indices.map(function (i) { return array[i]; });
+    }
+    ts.stableSort = stableSort;
+    function rangeEquals(array1, array2, pos, end) {
+        while (pos < end) {
+            if (array1[pos] !== array2[pos]) {
+                return false;
+            }
+            pos++;
+        }
+        return true;
+    }
+    ts.rangeEquals = rangeEquals;
+    /**
+     * Returns the element at a specific offset in an array if non-empty, `undefined` otherwise.
+     * A negative offset indicates the element should be retrieved from the end of the array.
+     */
+    function elementAt(array, offset) {
+        if (array) {
+            offset = toOffset(array, offset);
+            if (offset < array.length) {
+                return array[offset];
+            }
+        }
+        return undefined;
+    }
+    ts.elementAt = elementAt;
+    /**
+     * Returns the first element of an array if non-empty, `undefined` otherwise.
+     */
+    function firstOrUndefined(array) {
+        return array.length === 0 ? undefined : array[0];
+    }
+    ts.firstOrUndefined = firstOrUndefined;
+    function first(array) {
+        ts.Debug.assert(array.length !== 0);
+        return array[0];
+    }
+    ts.first = first;
+    /**
+     * Returns the last element of an array if non-empty, `undefined` otherwise.
+     */
+    function lastOrUndefined(array) {
+        return array.length === 0 ? undefined : array[array.length - 1];
+    }
+    ts.lastOrUndefined = lastOrUndefined;
+    function last(array) {
+        ts.Debug.assert(array.length !== 0);
+        return array[array.length - 1];
+    }
+    ts.last = last;
+    /**
+     * Returns the only element of an array if it contains only one element, `undefined` otherwise.
+     */
+    function singleOrUndefined(array) {
+        return array && array.length === 1
+            ? array[0]
+            : undefined;
+    }
+    ts.singleOrUndefined = singleOrUndefined;
+    function singleOrMany(array) {
+        return array && array.length === 1
+            ? array[0]
+            : array;
+    }
+    ts.singleOrMany = singleOrMany;
+    function replaceElement(array, index, value) {
+        var result = array.slice(0);
+        result[index] = value;
+        return result;
+    }
+    ts.replaceElement = replaceElement;
+    /**
+     * Performs a binary search, finding the index at which `value` occurs in `array`.
+     * If no such index is found, returns the 2's-complement of first index at which
+     * `array[index]` exceeds `value`.
+     * @param array A sorted array whose first element must be no larger than number
+     * @param value The value to be searched for in the array.
+     * @param keySelector A callback used to select the search key from `value` and each element of
+     * `array`.
+     * @param keyComparer A callback used to compare two keys in a sorted array.
+     * @param offset An offset into `array` at which to start the search.
+     */
+    function binarySearch(array, value, keySelector, keyComparer, offset) {
+        return binarySearchKey(array, keySelector(value), keySelector, keyComparer, offset);
+    }
+    ts.binarySearch = binarySearch;
+    /**
+     * Performs a binary search, finding the index at which an object with `key` occurs in `array`.
+     * If no such index is found, returns the 2's-complement of first index at which
+     * `array[index]` exceeds `key`.
+     * @param array A sorted array whose first element must be no larger than number
+     * @param key The key to be searched for in the array.
+     * @param keySelector A callback used to select the search key from each element of `array`.
+     * @param keyComparer A callback used to compare two keys in a sorted array.
+     * @param offset An offset into `array` at which to start the search.
+     */
+    function binarySearchKey(array, key, keySelector, keyComparer, offset) {
+        if (!some(array)) {
+            return -1;
+        }
+        var low = offset || 0;
+        var high = array.length - 1;
+        while (low <= high) {
+            var middle = low + ((high - low) >> 1);
+            var midKey = keySelector(array[middle], middle);
+            switch (keyComparer(midKey, key)) {
+                case -1 /* Comparison.LessThan */:
+                    low = middle + 1;
+                    break;
+                case 0 /* Comparison.EqualTo */:
+                    return middle;
+                case 1 /* Comparison.GreaterThan */:
+                    high = middle - 1;
+                    break;
+            }
+        }
+        return ~low;
+    }
+    ts.binarySearchKey = binarySearchKey;
+    function reduceLeft(array, f, initial, start, count) {
+        if (array && array.length > 0) {
+            var size = array.length;
+            if (size > 0) {
+                var pos = start === undefined || start < 0 ? 0 : start;
+                var end = count === undefined || pos + count > size - 1 ? size - 1 : pos + count;
+                var result = void 0;
+                if (arguments.length <= 2) {
+                    result = array[pos];
+                    pos++;
+                }
+                else {
+                    result = initial;
+                }
+                while (pos <= end) {
+                    result = f(result, array[pos], pos);
+                    pos++;
+                }
+                return result;
+            }
+        }
+        return initial;
+    }
+    ts.reduceLeft = reduceLeft;
+    var hasOwnProperty = Object.prototype.hasOwnProperty;
+    /**
+     * Indicates whether a map-like contains an own property with the specified key.
+     *
+     * @param map A map-like.
+     * @param key A property key.
+     */
+    function hasProperty(map, key) {
+        return hasOwnProperty.call(map, key);
+    }
+    ts.hasProperty = hasProperty;
+    /**
+     * Gets the value of an owned property in a map-like.
+     *
+     * @param map A map-like.
+     * @param key A property key.
+     */
+    function getProperty(map, key) {
+        return hasOwnProperty.call(map, key) ? map[key] : undefined;
+    }
+    ts.getProperty = getProperty;
+    /**
+     * Gets the owned, enumerable property keys of a map-like.
+     */
+    function getOwnKeys(map) {
+        var keys = [];
+        for (var key in map) {
+            if (hasOwnProperty.call(map, key)) {
+                keys.push(key);
+            }
+        }
+        return keys;
+    }
+    ts.getOwnKeys = getOwnKeys;
+    function getAllKeys(obj) {
+        var result = [];
+        do {
+            var names = Object.getOwnPropertyNames(obj);
+            for (var _i = 0, names_1 = names; _i < names_1.length; _i++) {
+                var name = names_1[_i];
+                pushIfUnique(result, name);
+            }
+        } while (obj = Object.getPrototypeOf(obj));
+        return result;
+    }
+    ts.getAllKeys = getAllKeys;
+    function getOwnValues(collection) {
+        var values = [];
+        for (var key in collection) {
+            if (hasOwnProperty.call(collection, key)) {
+                values.push(collection[key]);
+            }
+        }
+        return values;
+    }
+    ts.getOwnValues = getOwnValues;
+    var _entries = Object.entries || (function (obj) {
+        var keys = getOwnKeys(obj);
+        var result = Array(keys.length);
+        for (var i = 0; i < keys.length; i++) {
+            result[i] = [keys[i], obj[keys[i]]];
+        }
+        return result;
+    });
+    function getEntries(obj) {
+        return obj ? _entries(obj) : [];
+    }
+    ts.getEntries = getEntries;
+    function arrayOf(count, f) {
+        var result = new Array(count);
+        for (var i = 0; i < count; i++) {
+            result[i] = f(i);
+        }
+        return result;
+    }
+    ts.arrayOf = arrayOf;
+    function arrayFrom(iterator, map) {
+        var result = [];
+        for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
+            result.push(map ? map(iterResult.value) : iterResult.value);
+        }
+        return result;
+    }
+    ts.arrayFrom = arrayFrom;
+    function assign(t) {
+        var args = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            args[_i - 1] = arguments[_i];
+        }
+        for (var _a = 0, args_1 = args; _a < args_1.length; _a++) {
+            var arg = args_1[_a];
+            if (arg === undefined)
+                continue;
+            for (var p in arg) {
+                if (hasProperty(arg, p)) {
+                    t[p] = arg[p];
+                }
+            }
+        }
+        return t;
+    }
+    ts.assign = assign;
+    /**
+     * Performs a shallow equality comparison of the contents of two map-likes.
+     *
+     * @param left A map-like whose properties should be compared.
+     * @param right A map-like whose properties should be compared.
+     */
+    function equalOwnProperties(left, right, equalityComparer) {
+        if (equalityComparer === void 0) { equalityComparer = equateValues; }
+        if (left === right)
+            return true;
+        if (!left || !right)
+            return false;
+        for (var key in left) {
+            if (hasOwnProperty.call(left, key)) {
+                if (!hasOwnProperty.call(right, key))
+                    return false;
+                if (!equalityComparer(left[key], right[key]))
+                    return false;
+            }
+        }
+        for (var key in right) {
+            if (hasOwnProperty.call(right, key)) {
+                if (!hasOwnProperty.call(left, key))
+                    return false;
+            }
+        }
+        return true;
+    }
+    ts.equalOwnProperties = equalOwnProperties;
+    function arrayToMap(array, makeKey, makeValue) {
+        if (makeValue === void 0) { makeValue = identity; }
+        var result = new ts.Map();
+        for (var _i = 0, array_6 = array; _i < array_6.length; _i++) {
+            var value = array_6[_i];
+            var key = makeKey(value);
+            if (key !== undefined)
+                result.set(key, makeValue(value));
+        }
+        return result;
+    }
+    ts.arrayToMap = arrayToMap;
+    function arrayToNumericMap(array, makeKey, makeValue) {
+        if (makeValue === void 0) { makeValue = identity; }
+        var result = [];
+        for (var _i = 0, array_7 = array; _i < array_7.length; _i++) {
+            var value = array_7[_i];
+            result[makeKey(value)] = makeValue(value);
+        }
+        return result;
+    }
+    ts.arrayToNumericMap = arrayToNumericMap;
+    function arrayToMultiMap(values, makeKey, makeValue) {
+        if (makeValue === void 0) { makeValue = identity; }
+        var result = createMultiMap();
+        for (var _i = 0, values_1 = values; _i < values_1.length; _i++) {
+            var value = values_1[_i];
+            result.add(makeKey(value), makeValue(value));
+        }
+        return result;
+    }
+    ts.arrayToMultiMap = arrayToMultiMap;
+    function group(values, getGroupId, resultSelector) {
+        if (resultSelector === void 0) { resultSelector = identity; }
+        return arrayFrom(arrayToMultiMap(values, getGroupId).values(), resultSelector);
+    }
+    ts.group = group;
+    function clone(object) {
+        var result = {};
+        for (var id in object) {
+            if (hasOwnProperty.call(object, id)) {
+                result[id] = object[id];
+            }
+        }
+        return result;
+    }
+    ts.clone = clone;
+    /**
+     * Creates a new object by adding the own properties of `second`, then the own properties of `first`.
+     *
+     * NOTE: This means that if a property exists in both `first` and `second`, the property in `first` will be chosen.
+     */
+    function extend(first, second) {
+        var result = {};
+        for (var id in second) {
+            if (hasOwnProperty.call(second, id)) {
+                result[id] = second[id];
+            }
+        }
+        for (var id in first) {
+            if (hasOwnProperty.call(first, id)) {
+                result[id] = first[id];
+            }
+        }
+        return result;
+    }
+    ts.extend = extend;
+    function copyProperties(first, second) {
+        for (var id in second) {
+            if (hasOwnProperty.call(second, id)) {
+                first[id] = second[id];
+            }
+        }
+    }
+    ts.copyProperties = copyProperties;
+    function maybeBind(obj, fn) {
+        return fn ? fn.bind(obj) : undefined;
+    }
+    ts.maybeBind = maybeBind;
+    function createMultiMap() {
+        var map = new ts.Map();
+        map.add = multiMapAdd;
+        map.remove = multiMapRemove;
+        return map;
+    }
+    ts.createMultiMap = createMultiMap;
+    function multiMapAdd(key, value) {
+        var values = this.get(key);
+        if (values) {
+            values.push(value);
+        }
+        else {
+            this.set(key, values = [value]);
+        }
+        return values;
+    }
+    function multiMapRemove(key, value) {
+        var values = this.get(key);
+        if (values) {
+            unorderedRemoveItem(values, value);
+            if (!values.length) {
+                this.delete(key);
+            }
+        }
+    }
+    function createUnderscoreEscapedMultiMap() {
+        return createMultiMap();
+    }
+    ts.createUnderscoreEscapedMultiMap = createUnderscoreEscapedMultiMap;
+    /**
+     * Creates a Set with custom equality and hash code functionality.  This is useful when you
+     * want to use something looser than object identity - e.g. "has the same span".
+     *
+     * If `equals(a, b)`, it must be the case that `getHashCode(a) === getHashCode(b)`.
+     * The converse is not required.
+     *
+     * To facilitate a perf optimization (lazy allocation of bucket arrays), `TElement` is
+     * assumed not to be an array type.
+     */
+    function createSet(getHashCode, equals) {
+        var multiMap = new ts.Map();
+        var size = 0;
+        function getElementIterator() {
+            var valueIt = multiMap.values();
+            var arrayIt;
+            return {
+                next: function () {
+                    while (true) {
+                        if (arrayIt) {
+                            var n = arrayIt.next();
+                            if (!n.done) {
+                                return { value: n.value };
+                            }
+                            arrayIt = undefined;
+                        }
+                        else {
+                            var n = valueIt.next();
+                            if (n.done) {
+                                return { value: undefined, done: true };
+                            }
+                            if (!isArray(n.value)) {
+                                return { value: n.value };
+                            }
+                            arrayIt = arrayIterator(n.value);
+                        }
+                    }
+                }
+            };
+        }
+        var set = {
+            has: function (element) {
+                var hash = getHashCode(element);
+                if (!multiMap.has(hash))
+                    return false;
+                var candidates = multiMap.get(hash);
+                if (!isArray(candidates))
+                    return equals(candidates, element);
+                for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) {
+                    var candidate = candidates_1[_i];
+                    if (equals(candidate, element)) {
+                        return true;
+                    }
+                }
+                return false;
+            },
+            add: function (element) {
+                var hash = getHashCode(element);
+                if (multiMap.has(hash)) {
+                    var values = multiMap.get(hash);
+                    if (isArray(values)) {
+                        if (!contains(values, element, equals)) {
+                            values.push(element);
+                            size++;
+                        }
+                    }
+                    else {
+                        var value = values;
+                        if (!equals(value, element)) {
+                            multiMap.set(hash, [value, element]);
+                            size++;
+                        }
+                    }
+                }
+                else {
+                    multiMap.set(hash, element);
+                    size++;
+                }
+                return this;
+            },
+            delete: function (element) {
+                var hash = getHashCode(element);
+                if (!multiMap.has(hash))
+                    return false;
+                var candidates = multiMap.get(hash);
+                if (isArray(candidates)) {
+                    for (var i = 0; i < candidates.length; i++) {
+                        if (equals(candidates[i], element)) {
+                            if (candidates.length === 1) {
+                                multiMap.delete(hash);
+                            }
+                            else if (candidates.length === 2) {
+                                multiMap.set(hash, candidates[1 - i]);
+                            }
+                            else {
+                                unorderedRemoveItemAt(candidates, i);
+                            }
+                            size--;
+                            return true;
+                        }
+                    }
+                }
+                else {
+                    var candidate = candidates;
+                    if (equals(candidate, element)) {
+                        multiMap.delete(hash);
+                        size--;
+                        return true;
+                    }
+                }
+                return false;
+            },
+            clear: function () {
+                multiMap.clear();
+                size = 0;
+            },
+            get size() {
+                return size;
+            },
+            forEach: function (action) {
+                for (var _i = 0, _a = arrayFrom(multiMap.values()); _i < _a.length; _i++) {
+                    var elements = _a[_i];
+                    if (isArray(elements)) {
+                        for (var _b = 0, elements_1 = elements; _b < elements_1.length; _b++) {
+                            var element = elements_1[_b];
+                            action(element, element);
+                        }
+                    }
+                    else {
+                        var element = elements;
+                        action(element, element);
+                    }
+                }
+            },
+            keys: function () {
+                return getElementIterator();
+            },
+            values: function () {
+                return getElementIterator();
+            },
+            entries: function () {
+                var it = getElementIterator();
+                return {
+                    next: function () {
+                        var n = it.next();
+                        return n.done ? n : { value: [n.value, n.value] };
+                    }
+                };
+            },
+        };
+        return set;
+    }
+    ts.createSet = createSet;
+    /**
+     * Tests whether a value is an array.
+     */
+    function isArray(value) {
+        return Array.isArray ? Array.isArray(value) : value instanceof Array;
+    }
+    ts.isArray = isArray;
+    function toArray(value) {
+        return isArray(value) ? value : [value];
+    }
+    ts.toArray = toArray;
+    /**
+     * Tests whether a value is string
+     */
+    function isString(text) {
+        return typeof text === "string";
+    }
+    ts.isString = isString;
+    function isNumber(x) {
+        return typeof x === "number";
+    }
+    ts.isNumber = isNumber;
+    function tryCast(value, test) {
+        return value !== undefined && test(value) ? value : undefined;
+    }
+    ts.tryCast = tryCast;
+    function cast(value, test) {
+        if (value !== undefined && test(value))
+            return value;
+        return ts.Debug.fail("Invalid cast. The supplied value ".concat(value, " did not pass the test '").concat(ts.Debug.getFunctionName(test), "'."));
+    }
+    ts.cast = cast;
+    /** Does nothing. */
+    function noop(_) { }
+    ts.noop = noop;
+    /** Do nothing and return false */
+    function returnFalse() {
+        return false;
+    }
+    ts.returnFalse = returnFalse;
+    /** Do nothing and return true */
+    function returnTrue() {
+        return true;
+    }
+    ts.returnTrue = returnTrue;
+    /** Do nothing and return undefined */
+    function returnUndefined() {
+        return undefined;
+    }
+    ts.returnUndefined = returnUndefined;
+    /** Returns its argument. */
+    function identity(x) {
+        return x;
+    }
+    ts.identity = identity;
+    /** Returns lower case string */
+    function toLowerCase(x) {
+        return x.toLowerCase();
+    }
+    ts.toLowerCase = toLowerCase;
+    // We convert the file names to lower case as key for file name on case insensitive file system
+    // While doing so we need to handle special characters (eg \u0130) to ensure that we dont convert
+    // it to lower case, fileName with its lowercase form can exist along side it.
+    // Handle special characters and make those case sensitive instead
+    //
+    // |-#--|-Unicode--|-Char code-|-Desc-------------------------------------------------------------------|
+    // | 1. | i        | 105       | Ascii i                                                                |
+    // | 2. | I        | 73        | Ascii I                                                                |
+    // |-------- Special characters ------------------------------------------------------------------------|
+    // | 3. | \u0130   | 304       | Upper case I with dot above                                            |
+    // | 4. | i,\u0307 | 105,775   | i, followed by 775: Lower case of (3rd item)                           |
+    // | 5. | I,\u0307 | 73,775    | I, followed by 775: Upper case of (4th item), lower case is (4th item) |
+    // | 6. | \u0131   | 305       | Lower case i without dot, upper case is I (2nd item)                   |
+    // | 7. | \u00DF   | 223       | Lower case sharp s                                                     |
+    //
+    // Because item 3 is special where in its lowercase character has its own
+    // upper case form we cant convert its case.
+    // Rest special characters are either already in lower case format or
+    // they have corresponding upper case character so they dont need special handling
+    //
+    // But to avoid having to do string building for most common cases, also ignore
+    // a-z, 0-9, \u0131, \u00DF, \, /, ., : and space
+    var fileNameLowerCaseRegExp = /[^\u0130\u0131\u00DFa-z0-9\\/:\-_\. ]+/g;
+    /**
+     * Case insensitive file systems have descripencies in how they handle some characters (eg. turkish Upper case I with dot on top - \u0130)
+     * This function is used in places where we want to make file name as a key on these systems
+     * It is possible on mac to be able to refer to file name with I with dot on top as a fileName with its lower case form
+     * But on windows we cannot. Windows can have fileName with I with dot on top next to its lower case and they can not each be referred with the lowercase forms
+     * Technically we would want this function to be platform sepcific as well but
+     * our api has till now only taken caseSensitive as the only input and just for some characters we dont want to update API and ensure all customers use those api
+     * We could use upper case and we would still need to deal with the descripencies but
+     * we want to continue using lower case since in most cases filenames are lowercasewe and wont need any case changes and avoid having to store another string for the key
+     * So for this function purpose, we go ahead and assume character I with dot on top it as case sensitive since its very unlikely to use lower case form of that special character
+     */
+    function toFileNameLowerCase(x) {
+        return fileNameLowerCaseRegExp.test(x) ?
+            x.replace(fileNameLowerCaseRegExp, toLowerCase) :
+            x;
+    }
+    ts.toFileNameLowerCase = toFileNameLowerCase;
+    /** Throws an error because a function is not implemented. */
+    function notImplemented() {
+        throw new Error("Not implemented");
+    }
+    ts.notImplemented = notImplemented;
+    function memoize(callback) {
+        var value;
+        return function () {
+            if (callback) {
+                value = callback();
+                callback = undefined;
+            }
+            return value;
+        };
+    }
+    ts.memoize = memoize;
+    /** A version of `memoize` that supports a single primitive argument */
+    function memoizeOne(callback) {
+        var map = new ts.Map();
+        return function (arg) {
+            var key = "".concat(typeof arg, ":").concat(arg);
+            var value = map.get(key);
+            if (value === undefined && !map.has(key)) {
+                value = callback(arg);
+                map.set(key, value);
+            }
+            return value;
+        };
+    }
+    ts.memoizeOne = memoizeOne;
+    function compose(a, b, c, d, e) {
+        if (!!e) {
+            var args_2 = [];
+            for (var i = 0; i < arguments.length; i++) {
+                args_2[i] = arguments[i];
+            }
+            return function (t) { return reduceLeft(args_2, function (u, f) { return f(u); }, t); };
+        }
+        else if (d) {
+            return function (t) { return d(c(b(a(t)))); };
+        }
+        else if (c) {
+            return function (t) { return c(b(a(t))); };
+        }
+        else if (b) {
+            return function (t) { return b(a(t)); };
+        }
+        else if (a) {
+            return function (t) { return a(t); };
+        }
+        else {
+            return function (t) { return t; };
+        }
+    }
+    ts.compose = compose;
+    var AssertionLevel;
+    (function (AssertionLevel) {
+        AssertionLevel[AssertionLevel["None"] = 0] = "None";
+        AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal";
+        AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive";
+        AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive";
+    })(AssertionLevel = ts.AssertionLevel || (ts.AssertionLevel = {}));
+    function equateValues(a, b) {
+        return a === b;
+    }
+    ts.equateValues = equateValues;
+    /**
+     * Compare the equality of two strings using a case-sensitive ordinal comparison.
+     *
+     * Case-sensitive comparisons compare both strings one code-point at a time using the integer
+     * value of each code-point after applying `toUpperCase` to each string. We always map both
+     * strings to their upper-case form as some unicode characters do not properly round-trip to
+     * lowercase (such as `ẞ` (German sharp capital s)).
+     */
+    function equateStringsCaseInsensitive(a, b) {
+        return a === b
+            || a !== undefined
+                && b !== undefined
+                && a.toUpperCase() === b.toUpperCase();
+    }
+    ts.equateStringsCaseInsensitive = equateStringsCaseInsensitive;
+    /**
+     * Compare the equality of two strings using a case-sensitive ordinal comparison.
+     *
+     * Case-sensitive comparisons compare both strings one code-point at a time using the
+     * integer value of each code-point.
+     */
+    function equateStringsCaseSensitive(a, b) {
+        return equateValues(a, b);
+    }
+    ts.equateStringsCaseSensitive = equateStringsCaseSensitive;
+    function compareComparableValues(a, b) {
+        return a === b ? 0 /* Comparison.EqualTo */ :
+            a === undefined ? -1 /* Comparison.LessThan */ :
+                b === undefined ? 1 /* Comparison.GreaterThan */ :
+                    a < b ? -1 /* Comparison.LessThan */ :
+                        1 /* Comparison.GreaterThan */;
+    }
+    /**
+     * Compare two numeric values for their order relative to each other.
+     * To compare strings, use any of the `compareStrings` functions.
+     */
+    function compareValues(a, b) {
+        return compareComparableValues(a, b);
+    }
+    ts.compareValues = compareValues;
+    /**
+     * Compare two TextSpans, first by `start`, then by `length`.
+     */
+    function compareTextSpans(a, b) {
+        return compareValues(a === null || a === void 0 ? void 0 : a.start, b === null || b === void 0 ? void 0 : b.start) || compareValues(a === null || a === void 0 ? void 0 : a.length, b === null || b === void 0 ? void 0 : b.length);
+    }
+    ts.compareTextSpans = compareTextSpans;
+    function min(a, b, compare) {
+        return compare(a, b) === -1 /* Comparison.LessThan */ ? a : b;
+    }
+    ts.min = min;
+    /**
+     * Compare two strings using a case-insensitive ordinal comparison.
+     *
+     * Ordinal comparisons are based on the difference between the unicode code points of both
+     * strings. Characters with multiple unicode representations are considered unequal. Ordinal
+     * comparisons provide predictable ordering, but place "a" after "B".
+     *
+     * Case-insensitive comparisons compare both strings one code-point at a time using the integer
+     * value of each code-point after applying `toUpperCase` to each string. We always map both
+     * strings to their upper-case form as some unicode characters do not properly round-trip to
+     * lowercase (such as `ẞ` (German sharp capital s)).
+     */
+    function compareStringsCaseInsensitive(a, b) {
+        if (a === b)
+            return 0 /* Comparison.EqualTo */;
+        if (a === undefined)
+            return -1 /* Comparison.LessThan */;
+        if (b === undefined)
+            return 1 /* Comparison.GreaterThan */;
+        a = a.toUpperCase();
+        b = b.toUpperCase();
+        return a < b ? -1 /* Comparison.LessThan */ : a > b ? 1 /* Comparison.GreaterThan */ : 0 /* Comparison.EqualTo */;
+    }
+    ts.compareStringsCaseInsensitive = compareStringsCaseInsensitive;
+    /**
+     * Compare two strings using a case-sensitive ordinal comparison.
+     *
+     * Ordinal comparisons are based on the difference between the unicode code points of both
+     * strings. Characters with multiple unicode representations are considered unequal. Ordinal
+     * comparisons provide predictable ordering, but place "a" after "B".
+     *
+     * Case-sensitive comparisons compare both strings one code-point at a time using the integer
+     * value of each code-point.
+     */
+    function compareStringsCaseSensitive(a, b) {
+        return compareComparableValues(a, b);
+    }
+    ts.compareStringsCaseSensitive = compareStringsCaseSensitive;
+    function getStringComparer(ignoreCase) {
+        return ignoreCase ? compareStringsCaseInsensitive : compareStringsCaseSensitive;
+    }
+    ts.getStringComparer = getStringComparer;
+    /**
+     * Creates a string comparer for use with string collation in the UI.
+     */
+    var createUIStringComparer = (function () {
+        var defaultComparer;
+        var enUSComparer;
+        var stringComparerFactory = getStringComparerFactory();
+        return createStringComparer;
+        function compareWithCallback(a, b, comparer) {
+            if (a === b)
+                return 0 /* Comparison.EqualTo */;
+            if (a === undefined)
+                return -1 /* Comparison.LessThan */;
+            if (b === undefined)
+                return 1 /* Comparison.GreaterThan */;
+            var value = comparer(a, b);
+            return value < 0 ? -1 /* Comparison.LessThan */ : value > 0 ? 1 /* Comparison.GreaterThan */ : 0 /* Comparison.EqualTo */;
+        }
+        function createIntlCollatorStringComparer(locale) {
+            // Intl.Collator.prototype.compare is bound to the collator. See NOTE in
+            // http://www.ecma-international.org/ecma-402/2.0/#sec-Intl.Collator.prototype.compare
+            var comparer = new Intl.Collator(locale, { usage: "sort", sensitivity: "variant" }).compare;
+            return function (a, b) { return compareWithCallback(a, b, comparer); };
+        }
+        function createLocaleCompareStringComparer(locale) {
+            // if the locale is not the default locale (`undefined`), use the fallback comparer.
+            if (locale !== undefined)
+                return createFallbackStringComparer();
+            return function (a, b) { return compareWithCallback(a, b, compareStrings); };
+            function compareStrings(a, b) {
+                return a.localeCompare(b);
+            }
+        }
+        function createFallbackStringComparer() {
+            // An ordinal comparison puts "A" after "b", but for the UI we want "A" before "b".
+            // We first sort case insensitively.  So "Aaa" will come before "baa".
+            // Then we sort case sensitively, so "aaa" will come before "Aaa".
+            //
+            // For case insensitive comparisons we always map both strings to their
+            // upper-case form as some unicode characters do not properly round-trip to
+            // lowercase (such as `ẞ` (German sharp capital s)).
+            return function (a, b) { return compareWithCallback(a, b, compareDictionaryOrder); };
+            function compareDictionaryOrder(a, b) {
+                return compareStrings(a.toUpperCase(), b.toUpperCase()) || compareStrings(a, b);
+            }
+            function compareStrings(a, b) {
+                return a < b ? -1 /* Comparison.LessThan */ : a > b ? 1 /* Comparison.GreaterThan */ : 0 /* Comparison.EqualTo */;
+            }
+        }
+        function getStringComparerFactory() {
+            // If the host supports Intl, we use it for comparisons using the default locale.
+            if (typeof Intl === "object" && typeof Intl.Collator === "function") {
+                return createIntlCollatorStringComparer;
+            }
+            // If the host does not support Intl, we fall back to localeCompare.
+            // localeCompare in Node v0.10 is just an ordinal comparison, so don't use it.
+            if (typeof String.prototype.localeCompare === "function" &&
+                typeof String.prototype.toLocaleUpperCase === "function" &&
+                "a".localeCompare("B") < 0) {
+                return createLocaleCompareStringComparer;
+            }
+            // Otherwise, fall back to ordinal comparison:
+            return createFallbackStringComparer;
+        }
+        function createStringComparer(locale) {
+            // Hold onto common string comparers. This avoids constantly reallocating comparers during
+            // tests.
+            if (locale === undefined) {
+                return defaultComparer || (defaultComparer = stringComparerFactory(locale));
+            }
+            else if (locale === "en-US") {
+                return enUSComparer || (enUSComparer = stringComparerFactory(locale));
+            }
+            else {
+                return stringComparerFactory(locale);
+            }
+        }
+    })();
+    var uiComparerCaseSensitive;
+    var uiLocale;
+    function getUILocale() {
+        return uiLocale;
+    }
+    ts.getUILocale = getUILocale;
+    function setUILocale(value) {
+        if (uiLocale !== value) {
+            uiLocale = value;
+            uiComparerCaseSensitive = undefined;
+        }
+    }
+    ts.setUILocale = setUILocale;
+    /**
+     * Compare two strings in a using the case-sensitive sort behavior of the UI locale.
+     *
+     * Ordering is not predictable between different host locales, but is best for displaying
+     * ordered data for UI presentation. Characters with multiple unicode representations may
+     * be considered equal.
+     *
+     * Case-sensitive comparisons compare strings that differ in base characters, or
+     * accents/diacritic marks, or case as unequal.
+     */
+    function compareStringsCaseSensitiveUI(a, b) {
+        var comparer = uiComparerCaseSensitive || (uiComparerCaseSensitive = createUIStringComparer(uiLocale));
+        return comparer(a, b);
+    }
+    ts.compareStringsCaseSensitiveUI = compareStringsCaseSensitiveUI;
+    function compareProperties(a, b, key, comparer) {
+        return a === b ? 0 /* Comparison.EqualTo */ :
+            a === undefined ? -1 /* Comparison.LessThan */ :
+                b === undefined ? 1 /* Comparison.GreaterThan */ :
+                    comparer(a[key], b[key]);
+    }
+    ts.compareProperties = compareProperties;
+    /** True is greater than false. */
+    function compareBooleans(a, b) {
+        return compareValues(a ? 1 : 0, b ? 1 : 0);
+    }
+    ts.compareBooleans = compareBooleans;
+    /**
+     * Given a name and a list of names that are *not* equal to the name, return a spelling suggestion if there is one that is close enough.
+     * Names less than length 3 only check for case-insensitive equality.
+     *
+     * find the candidate with the smallest Levenshtein distance,
+     *    except for candidates:
+     *      * With no name
+     *      * Whose length differs from the target name by more than 0.34 of the length of the name.
+     *      * Whose levenshtein distance is more than 0.4 of the length of the name
+     *        (0.4 allows 1 substitution/transposition for every 5 characters,
+     *         and 1 insertion/deletion at 3 characters)
+     */
+    function getSpellingSuggestion(name, candidates, getName) {
+        var maximumLengthDifference = Math.min(2, Math.floor(name.length * 0.34));
+        var bestDistance = Math.floor(name.length * 0.4) + 1; // If the best result is worse than this, don't bother.
+        var bestCandidate;
+        for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) {
+            var candidate = candidates_2[_i];
+            var candidateName = getName(candidate);
+            if (candidateName !== undefined && Math.abs(candidateName.length - name.length) <= maximumLengthDifference) {
+                if (candidateName === name) {
+                    continue;
+                }
+                // Only consider candidates less than 3 characters long when they differ by case.
+                // Otherwise, don't bother, since a user would usually notice differences of a 2-character name.
+                if (candidateName.length < 3 && candidateName.toLowerCase() !== name.toLowerCase()) {
+                    continue;
+                }
+                var distance = levenshteinWithMax(name, candidateName, bestDistance - 0.1);
+                if (distance === undefined) {
+                    continue;
+                }
+                ts.Debug.assert(distance < bestDistance); // Else `levenshteinWithMax` should return undefined
+                bestDistance = distance;
+                bestCandidate = candidate;
+            }
+        }
+        return bestCandidate;
+    }
+    ts.getSpellingSuggestion = getSpellingSuggestion;
+    function levenshteinWithMax(s1, s2, max) {
+        var previous = new Array(s2.length + 1);
+        var current = new Array(s2.length + 1);
+        /** Represents any value > max. We don't care about the particular value. */
+        var big = max + 0.01;
+        for (var i = 0; i <= s2.length; i++) {
+            previous[i] = i;
+        }
+        for (var i = 1; i <= s1.length; i++) {
+            var c1 = s1.charCodeAt(i - 1);
+            var minJ = Math.ceil(i > max ? i - max : 1);
+            var maxJ = Math.floor(s2.length > max + i ? max + i : s2.length);
+            current[0] = i;
+            /** Smallest value of the matrix in the ith column. */
+            var colMin = i;
+            for (var j = 1; j < minJ; j++) {
+                current[j] = big;
+            }
+            for (var j = minJ; j <= maxJ; j++) {
+                // case difference should be significantly cheaper than other differences
+                var substitutionDistance = s1[i - 1].toLowerCase() === s2[j - 1].toLowerCase()
+                    ? (previous[j - 1] + 0.1)
+                    : (previous[j - 1] + 2);
+                var dist = c1 === s2.charCodeAt(j - 1)
+                    ? previous[j - 1]
+                    : Math.min(/*delete*/ previous[j] + 1, /*insert*/ current[j - 1] + 1, /*substitute*/ substitutionDistance);
+                current[j] = dist;
+                colMin = Math.min(colMin, dist);
+            }
+            for (var j = maxJ + 1; j <= s2.length; j++) {
+                current[j] = big;
+            }
+            if (colMin > max) {
+                // Give up -- everything in this column is > max and it can't get better in future columns.
+                return undefined;
+            }
+            var temp = previous;
+            previous = current;
+            current = temp;
+        }
+        var res = previous[s2.length];
+        return res > max ? undefined : res;
+    }
+    function endsWith(str, suffix) {
+        var expectedPos = str.length - suffix.length;
+        return expectedPos >= 0 && str.indexOf(suffix, expectedPos) === expectedPos;
+    }
+    ts.endsWith = endsWith;
+    function removeSuffix(str, suffix) {
+        return endsWith(str, suffix) ? str.slice(0, str.length - suffix.length) : str;
+    }
+    ts.removeSuffix = removeSuffix;
+    function tryRemoveSuffix(str, suffix) {
+        return endsWith(str, suffix) ? str.slice(0, str.length - suffix.length) : undefined;
+    }
+    ts.tryRemoveSuffix = tryRemoveSuffix;
+    function stringContains(str, substring) {
+        return str.indexOf(substring) !== -1;
+    }
+    ts.stringContains = stringContains;
+    /**
+     * Takes a string like "jquery-min.4.2.3" and returns "jquery"
+     */
+    function removeMinAndVersionNumbers(fileName) {
+        // We used to use the regex /[.-]((min)|(\d+(\.\d+)*))$/ and would just .replace it twice.
+        // Unfortunately, that regex has O(n^2) performance because v8 doesn't match from the end of the string.
+        // Instead, we now essentially scan the filename (backwards) ourselves.
+        var end = fileName.length;
+        for (var pos = end - 1; pos > 0; pos--) {
+            var ch = fileName.charCodeAt(pos);
+            if (ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */) {
+                // Match a \d+ segment
+                do {
+                    --pos;
+                    ch = fileName.charCodeAt(pos);
+                } while (pos > 0 && ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */);
+            }
+            else if (pos > 4 && (ch === 110 /* CharacterCodes.n */ || ch === 78 /* CharacterCodes.N */)) {
+                // Looking for "min" or "min"
+                // Already matched the 'n'
+                --pos;
+                ch = fileName.charCodeAt(pos);
+                if (ch !== 105 /* CharacterCodes.i */ && ch !== 73 /* CharacterCodes.I */) {
+                    break;
+                }
+                --pos;
+                ch = fileName.charCodeAt(pos);
+                if (ch !== 109 /* CharacterCodes.m */ && ch !== 77 /* CharacterCodes.M */) {
+                    break;
+                }
+                --pos;
+                ch = fileName.charCodeAt(pos);
+            }
+            else {
+                // This character is not part of either suffix pattern
+                break;
+            }
+            if (ch !== 45 /* CharacterCodes.minus */ && ch !== 46 /* CharacterCodes.dot */) {
+                break;
+            }
+            end = pos;
+        }
+        // end might be fileName.length, in which case this should internally no-op
+        return end === fileName.length ? fileName : fileName.slice(0, end);
+    }
+    ts.removeMinAndVersionNumbers = removeMinAndVersionNumbers;
+    /** Remove an item from an array, moving everything to its right one space left. */
+    function orderedRemoveItem(array, item) {
+        for (var i = 0; i < array.length; i++) {
+            if (array[i] === item) {
+                orderedRemoveItemAt(array, i);
+                return true;
+            }
+        }
+        return false;
+    }
+    ts.orderedRemoveItem = orderedRemoveItem;
+    /** Remove an item by index from an array, moving everything to its right one space left. */
+    function orderedRemoveItemAt(array, index) {
+        // This seems to be faster than either `array.splice(i, 1)` or `array.copyWithin(i, i+ 1)`.
+        for (var i = index; i < array.length - 1; i++) {
+            array[i] = array[i + 1];
+        }
+        array.pop();
+    }
+    ts.orderedRemoveItemAt = orderedRemoveItemAt;
+    function unorderedRemoveItemAt(array, index) {
+        // Fill in the "hole" left at `index`.
+        array[index] = array[array.length - 1];
+        array.pop();
+    }
+    ts.unorderedRemoveItemAt = unorderedRemoveItemAt;
+    /** Remove the *first* occurrence of `item` from the array. */
+    function unorderedRemoveItem(array, item) {
+        return unorderedRemoveFirstItemWhere(array, function (element) { return element === item; });
+    }
+    ts.unorderedRemoveItem = unorderedRemoveItem;
+    /** Remove the *first* element satisfying `predicate`. */
+    function unorderedRemoveFirstItemWhere(array, predicate) {
+        for (var i = 0; i < array.length; i++) {
+            if (predicate(array[i])) {
+                unorderedRemoveItemAt(array, i);
+                return true;
+            }
+        }
+        return false;
+    }
+    function createGetCanonicalFileName(useCaseSensitiveFileNames) {
+        return useCaseSensitiveFileNames ? identity : toFileNameLowerCase;
+    }
+    ts.createGetCanonicalFileName = createGetCanonicalFileName;
+    function patternText(_a) {
+        var prefix = _a.prefix, suffix = _a.suffix;
+        return "".concat(prefix, "*").concat(suffix);
+    }
+    ts.patternText = patternText;
+    /**
+     * Given that candidate matches pattern, returns the text matching the '*'.
+     * E.g.: matchedText(tryParsePattern("foo*baz"), "foobarbaz") === "bar"
+     */
+    function matchedText(pattern, candidate) {
+        ts.Debug.assert(isPatternMatch(pattern, candidate));
+        return candidate.substring(pattern.prefix.length, candidate.length - pattern.suffix.length);
+    }
+    ts.matchedText = matchedText;
+    /** Return the object corresponding to the best pattern to match `candidate`. */
+    function findBestPatternMatch(values, getPattern, candidate) {
+        var matchedValue;
+        // use length of prefix as betterness criteria
+        var longestMatchPrefixLength = -1;
+        for (var _i = 0, values_2 = values; _i < values_2.length; _i++) {
+            var v = values_2[_i];
+            var pattern = getPattern(v);
+            if (isPatternMatch(pattern, candidate) && pattern.prefix.length > longestMatchPrefixLength) {
+                longestMatchPrefixLength = pattern.prefix.length;
+                matchedValue = v;
+            }
+        }
+        return matchedValue;
+    }
+    ts.findBestPatternMatch = findBestPatternMatch;
+    function startsWith(str, prefix) {
+        return str.lastIndexOf(prefix, 0) === 0;
+    }
+    ts.startsWith = startsWith;
+    function removePrefix(str, prefix) {
+        return startsWith(str, prefix) ? str.substr(prefix.length) : str;
+    }
+    ts.removePrefix = removePrefix;
+    function tryRemovePrefix(str, prefix, getCanonicalFileName) {
+        if (getCanonicalFileName === void 0) { getCanonicalFileName = identity; }
+        return startsWith(getCanonicalFileName(str), getCanonicalFileName(prefix)) ? str.substring(prefix.length) : undefined;
+    }
+    ts.tryRemovePrefix = tryRemovePrefix;
+    function isPatternMatch(_a, candidate) {
+        var prefix = _a.prefix, suffix = _a.suffix;
+        return candidate.length >= prefix.length + suffix.length &&
+            startsWith(candidate, prefix) &&
+            endsWith(candidate, suffix);
+    }
+    function and(f, g) {
+        return function (arg) { return f(arg) && g(arg); };
+    }
+    ts.and = and;
+    function or() {
+        var fs = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            fs[_i] = arguments[_i];
+        }
+        return function () {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            var lastResult;
+            for (var _a = 0, fs_1 = fs; _a < fs_1.length; _a++) {
+                var f = fs_1[_a];
+                lastResult = f.apply(void 0, args);
+                if (lastResult) {
+                    return lastResult;
+                }
+            }
+            return lastResult;
+        };
+    }
+    ts.or = or;
+    function not(fn) {
+        return function () {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            return !fn.apply(void 0, args);
+        };
+    }
+    ts.not = not;
+    function assertType(_) { }
+    ts.assertType = assertType;
+    function singleElementArray(t) {
+        return t === undefined ? undefined : [t];
+    }
+    ts.singleElementArray = singleElementArray;
+    function enumerateInsertsAndDeletes(newItems, oldItems, comparer, inserted, deleted, unchanged) {
+        unchanged = unchanged || noop;
+        var newIndex = 0;
+        var oldIndex = 0;
+        var newLen = newItems.length;
+        var oldLen = oldItems.length;
+        var hasChanges = false;
+        while (newIndex < newLen && oldIndex < oldLen) {
+            var newItem = newItems[newIndex];
+            var oldItem = oldItems[oldIndex];
+            var compareResult = comparer(newItem, oldItem);
+            if (compareResult === -1 /* Comparison.LessThan */) {
+                inserted(newItem);
+                newIndex++;
+                hasChanges = true;
+            }
+            else if (compareResult === 1 /* Comparison.GreaterThan */) {
+                deleted(oldItem);
+                oldIndex++;
+                hasChanges = true;
+            }
+            else {
+                unchanged(oldItem, newItem);
+                newIndex++;
+                oldIndex++;
+            }
+        }
+        while (newIndex < newLen) {
+            inserted(newItems[newIndex++]);
+            hasChanges = true;
+        }
+        while (oldIndex < oldLen) {
+            deleted(oldItems[oldIndex++]);
+            hasChanges = true;
+        }
+        return hasChanges;
+    }
+    ts.enumerateInsertsAndDeletes = enumerateInsertsAndDeletes;
+    function fill(length, cb) {
+        var result = Array(length);
+        for (var i = 0; i < length; i++) {
+            result[i] = cb(i);
+        }
+        return result;
+    }
+    ts.fill = fill;
+    function cartesianProduct(arrays) {
+        var result = [];
+        cartesianProductWorker(arrays, result, /*outer*/ undefined, 0);
+        return result;
+    }
+    ts.cartesianProduct = cartesianProduct;
+    function cartesianProductWorker(arrays, result, outer, index) {
+        for (var _i = 0, _a = arrays[index]; _i < _a.length; _i++) {
+            var element = _a[_i];
+            var inner = void 0;
+            if (outer) {
+                inner = outer.slice();
+                inner.push(element);
+            }
+            else {
+                inner = [element];
+            }
+            if (index === arrays.length - 1) {
+                result.push(inner);
+            }
+            else {
+                cartesianProductWorker(arrays, result, inner, index + 1);
+            }
+        }
+    }
+    /**
+     * Returns string left-padded with spaces or zeros until it reaches the given length.
+     *
+     * @param s String to pad.
+     * @param length Final padded length. If less than or equal to 's.length', returns 's' unchanged.
+     * @param padString Character to use as padding (default " ").
+     */
+    function padLeft(s, length, padString) {
+        if (padString === void 0) { padString = " "; }
+        return length <= s.length ? s : padString.repeat(length - s.length) + s;
+    }
+    ts.padLeft = padLeft;
+    /**
+     * Returns string right-padded with spaces until it reaches the given length.
+     *
+     * @param s String to pad.
+     * @param length Final padded length. If less than or equal to 's.length', returns 's' unchanged.
+     * @param padString Character to use as padding (default " ").
+     */
+    function padRight(s, length, padString) {
+        if (padString === void 0) { padString = " "; }
+        return length <= s.length ? s : s + padString.repeat(length - s.length);
+    }
+    ts.padRight = padRight;
+    function takeWhile(array, predicate) {
+        var len = array.length;
+        var index = 0;
+        while (index < len && predicate(array[index])) {
+            index++;
+        }
+        return array.slice(0, index);
+    }
+    ts.takeWhile = takeWhile;
+    /**
+     * Removes the leading and trailing white space and line terminator characters from a string.
+     */
+    ts.trimString = !!String.prototype.trim ? (function (s) { return s.trim(); }) : function (s) { return ts.trimStringEnd(ts.trimStringStart(s)); };
+    /**
+     * Returns a copy with trailing whitespace removed.
+     */
+    ts.trimStringEnd = !!String.prototype.trimEnd ? (function (s) { return s.trimEnd(); }) : trimEndImpl;
+    /**
+     * Returns a copy with leading whitespace removed.
+     */
+    ts.trimStringStart = !!String.prototype.trimStart ? (function (s) { return s.trimStart(); }) : function (s) { return s.replace(/^\s+/g, ""); };
+    /**
+     * https://jsbench.me/gjkoxld4au/1
+     * The simple regex for this, /\s+$/g is O(n^2) in v8.
+     * The native .trimEnd method is by far best, but since that's technically ES2019,
+     * we provide a (still much faster than the simple regex) fallback.
+     */
+    function trimEndImpl(s) {
+        var end = s.length - 1;
+        while (end >= 0) {
+            if (!ts.isWhiteSpaceLike(s.charCodeAt(end)))
+                break;
+            end--;
+        }
+        return s.slice(0, end + 1);
+    }
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    var LogLevel;
+    (function (LogLevel) {
+        LogLevel[LogLevel["Off"] = 0] = "Off";
+        LogLevel[LogLevel["Error"] = 1] = "Error";
+        LogLevel[LogLevel["Warning"] = 2] = "Warning";
+        LogLevel[LogLevel["Info"] = 3] = "Info";
+        LogLevel[LogLevel["Verbose"] = 4] = "Verbose";
+    })(LogLevel = ts.LogLevel || (ts.LogLevel = {}));
+    var Debug;
+    (function (Debug) {
+        var typeScriptVersion;
+        /* eslint-disable prefer-const */
+        var currentAssertionLevel = 0 /* AssertionLevel.None */;
+        Debug.currentLogLevel = LogLevel.Warning;
+        Debug.isDebugging = false;
+        function getTypeScriptVersion() {
+            return typeScriptVersion !== null && typeScriptVersion !== void 0 ? typeScriptVersion : (typeScriptVersion = new ts.Version(ts.version));
+        }
+        Debug.getTypeScriptVersion = getTypeScriptVersion;
+        function shouldLog(level) {
+            return Debug.currentLogLevel <= level;
+        }
+        Debug.shouldLog = shouldLog;
+        function logMessage(level, s) {
+            if (Debug.loggingHost && shouldLog(level)) {
+                Debug.loggingHost.log(level, s);
+            }
+        }
+        function log(s) {
+            logMessage(LogLevel.Info, s);
+        }
+        Debug.log = log;
+        (function (log_1) {
+            function error(s) {
+                logMessage(LogLevel.Error, s);
+            }
+            log_1.error = error;
+            function warn(s) {
+                logMessage(LogLevel.Warning, s);
+            }
+            log_1.warn = warn;
+            function log(s) {
+                logMessage(LogLevel.Info, s);
+            }
+            log_1.log = log;
+            function trace(s) {
+                logMessage(LogLevel.Verbose, s);
+            }
+            log_1.trace = trace;
+        })(log = Debug.log || (Debug.log = {}));
+        var assertionCache = {};
+        function getAssertionLevel() {
+            return currentAssertionLevel;
+        }
+        Debug.getAssertionLevel = getAssertionLevel;
+        function setAssertionLevel(level) {
+            var prevAssertionLevel = currentAssertionLevel;
+            currentAssertionLevel = level;
+            if (level > prevAssertionLevel) {
+                // restore assertion functions for the current assertion level (see `shouldAssertFunction`).
+                for (var _i = 0, _a = ts.getOwnKeys(assertionCache); _i < _a.length; _i++) {
+                    var key = _a[_i];
+                    var cachedFunc = assertionCache[key];
+                    if (cachedFunc !== undefined && Debug[key] !== cachedFunc.assertion && level >= cachedFunc.level) {
+                        Debug[key] = cachedFunc;
+                        assertionCache[key] = undefined;
+                    }
+                }
+            }
+        }
+        Debug.setAssertionLevel = setAssertionLevel;
+        function shouldAssert(level) {
+            return currentAssertionLevel >= level;
+        }
+        Debug.shouldAssert = shouldAssert;
+        /**
+         * Tests whether an assertion function should be executed. If it shouldn't, it is cached and replaced with `ts.noop`.
+         * Replaced assertion functions are restored when `Debug.setAssertionLevel` is set to a high enough level.
+         * @param level The minimum assertion level required.
+         * @param name The name of the current assertion function.
+         */
+        function shouldAssertFunction(level, name) {
+            if (!shouldAssert(level)) {
+                assertionCache[name] = { level: level, assertion: Debug[name] };
+                Debug[name] = ts.noop;
+                return false;
+            }
+            return true;
+        }
+        function fail(message, stackCrawlMark) {
+            debugger;
+            var e = new Error(message ? "Debug Failure. ".concat(message) : "Debug Failure.");
+            if (Error.captureStackTrace) {
+                Error.captureStackTrace(e, stackCrawlMark || fail);
+            }
+            throw e;
+        }
+        Debug.fail = fail;
+        function failBadSyntaxKind(node, message, stackCrawlMark) {
+            return fail("".concat(message || "Unexpected node.", "\r\nNode ").concat(formatSyntaxKind(node.kind), " was unexpected."), stackCrawlMark || failBadSyntaxKind);
+        }
+        Debug.failBadSyntaxKind = failBadSyntaxKind;
+        function assert(expression, message, verboseDebugInfo, stackCrawlMark) {
+            if (!expression) {
+                message = message ? "False expression: ".concat(message) : "False expression.";
+                if (verboseDebugInfo) {
+                    message += "\r\nVerbose Debug Information: " + (typeof verboseDebugInfo === "string" ? verboseDebugInfo : verboseDebugInfo());
+                }
+                fail(message, stackCrawlMark || assert);
+            }
+        }
+        Debug.assert = assert;
+        function assertEqual(a, b, msg, msg2, stackCrawlMark) {
+            if (a !== b) {
+                var message = msg ? msg2 ? "".concat(msg, " ").concat(msg2) : msg : "";
+                fail("Expected ".concat(a, " === ").concat(b, ". ").concat(message), stackCrawlMark || assertEqual);
+            }
+        }
+        Debug.assertEqual = assertEqual;
+        function assertLessThan(a, b, msg, stackCrawlMark) {
+            if (a >= b) {
+                fail("Expected ".concat(a, " < ").concat(b, ". ").concat(msg || ""), stackCrawlMark || assertLessThan);
+            }
+        }
+        Debug.assertLessThan = assertLessThan;
+        function assertLessThanOrEqual(a, b, stackCrawlMark) {
+            if (a > b) {
+                fail("Expected ".concat(a, " <= ").concat(b), stackCrawlMark || assertLessThanOrEqual);
+            }
+        }
+        Debug.assertLessThanOrEqual = assertLessThanOrEqual;
+        function assertGreaterThanOrEqual(a, b, stackCrawlMark) {
+            if (a < b) {
+                fail("Expected ".concat(a, " >= ").concat(b), stackCrawlMark || assertGreaterThanOrEqual);
+            }
+        }
+        Debug.assertGreaterThanOrEqual = assertGreaterThanOrEqual;
+        function assertIsDefined(value, message, stackCrawlMark) {
+            // eslint-disable-next-line no-null/no-null
+            if (value === undefined || value === null) {
+                fail(message, stackCrawlMark || assertIsDefined);
+            }
+        }
+        Debug.assertIsDefined = assertIsDefined;
+        function checkDefined(value, message, stackCrawlMark) {
+            assertIsDefined(value, message, stackCrawlMark || checkDefined);
+            return value;
+        }
+        Debug.checkDefined = checkDefined;
+        function assertEachIsDefined(value, message, stackCrawlMark) {
+            for (var _i = 0, value_1 = value; _i < value_1.length; _i++) {
+                var v = value_1[_i];
+                assertIsDefined(v, message, stackCrawlMark || assertEachIsDefined);
+            }
+        }
+        Debug.assertEachIsDefined = assertEachIsDefined;
+        function checkEachDefined(value, message, stackCrawlMark) {
+            assertEachIsDefined(value, message, stackCrawlMark || checkEachDefined);
+            return value;
+        }
+        Debug.checkEachDefined = checkEachDefined;
+        function assertNever(member, message, stackCrawlMark) {
+            if (message === void 0) { message = "Illegal value:"; }
+            var detail = typeof member === "object" && ts.hasProperty(member, "kind") && ts.hasProperty(member, "pos") ? "SyntaxKind: " + formatSyntaxKind(member.kind) : JSON.stringify(member);
+            return fail("".concat(message, " ").concat(detail), stackCrawlMark || assertNever);
+        }
+        Debug.assertNever = assertNever;
+        function assertEachNode(nodes, test, message, stackCrawlMark) {
+            if (shouldAssertFunction(1 /* AssertionLevel.Normal */, "assertEachNode")) {
+                assert(test === undefined || ts.every(nodes, test), message || "Unexpected node.", function () { return "Node array did not pass test '".concat(getFunctionName(test), "'."); }, stackCrawlMark || assertEachNode);
+            }
+        }
+        Debug.assertEachNode = assertEachNode;
+        function assertNode(node, test, message, stackCrawlMark) {
+            if (shouldAssertFunction(1 /* AssertionLevel.Normal */, "assertNode")) {
+                assert(node !== undefined && (test === undefined || test(node)), message || "Unexpected node.", function () { return "Node ".concat(formatSyntaxKind(node === null || node === void 0 ? void 0 : node.kind), " did not pass test '").concat(getFunctionName(test), "'."); }, stackCrawlMark || assertNode);
+            }
+        }
+        Debug.assertNode = assertNode;
+        function assertNotNode(node, test, message, stackCrawlMark) {
+            if (shouldAssertFunction(1 /* AssertionLevel.Normal */, "assertNotNode")) {
+                assert(node === undefined || test === undefined || !test(node), message || "Unexpected node.", function () { return "Node ".concat(formatSyntaxKind(node.kind), " should not have passed test '").concat(getFunctionName(test), "'."); }, stackCrawlMark || assertNotNode);
+            }
+        }
+        Debug.assertNotNode = assertNotNode;
+        function assertOptionalNode(node, test, message, stackCrawlMark) {
+            if (shouldAssertFunction(1 /* AssertionLevel.Normal */, "assertOptionalNode")) {
+                assert(test === undefined || node === undefined || test(node), message || "Unexpected node.", function () { return "Node ".concat(formatSyntaxKind(node === null || node === void 0 ? void 0 : node.kind), " did not pass test '").concat(getFunctionName(test), "'."); }, stackCrawlMark || assertOptionalNode);
+            }
+        }
+        Debug.assertOptionalNode = assertOptionalNode;
+        function assertOptionalToken(node, kind, message, stackCrawlMark) {
+            if (shouldAssertFunction(1 /* AssertionLevel.Normal */, "assertOptionalToken")) {
+                assert(kind === undefined || node === undefined || node.kind === kind, message || "Unexpected node.", function () { return "Node ".concat(formatSyntaxKind(node === null || node === void 0 ? void 0 : node.kind), " was not a '").concat(formatSyntaxKind(kind), "' token."); }, stackCrawlMark || assertOptionalToken);
+            }
+        }
+        Debug.assertOptionalToken = assertOptionalToken;
+        function assertMissingNode(node, message, stackCrawlMark) {
+            if (shouldAssertFunction(1 /* AssertionLevel.Normal */, "assertMissingNode")) {
+                assert(node === undefined, message || "Unexpected node.", function () { return "Node ".concat(formatSyntaxKind(node.kind), " was unexpected'."); }, stackCrawlMark || assertMissingNode);
+            }
+        }
+        Debug.assertMissingNode = assertMissingNode;
+        function type(_value) { }
+        Debug.type = type;
+        function getFunctionName(func) {
+            if (typeof func !== "function") {
+                return "";
+            }
+            else if (func.hasOwnProperty("name")) {
+                return func.name;
+            }
+            else {
+                var text = Function.prototype.toString.call(func);
+                var match = /^function\s+([\w\$]+)\s*\(/.exec(text);
+                return match ? match[1] : "";
+            }
+        }
+        Debug.getFunctionName = getFunctionName;
+        function formatSymbol(symbol) {
+            return "{ name: ".concat(ts.unescapeLeadingUnderscores(symbol.escapedName), "; flags: ").concat(formatSymbolFlags(symbol.flags), "; declarations: ").concat(ts.map(symbol.declarations, function (node) { return formatSyntaxKind(node.kind); }), " }");
+        }
+        Debug.formatSymbol = formatSymbol;
+        /**
+         * Formats an enum value as a string for debugging and debug assertions.
+         */
+        function formatEnum(value, enumObject, isFlags) {
+            if (value === void 0) { value = 0; }
+            var members = getEnumMembers(enumObject);
+            if (value === 0) {
+                return members.length > 0 && members[0][0] === 0 ? members[0][1] : "0";
+            }
+            if (isFlags) {
+                var result = "";
+                var remainingFlags = value;
+                for (var _i = 0, members_1 = members; _i < members_1.length; _i++) {
+                    var _a = members_1[_i], enumValue = _a[0], enumName = _a[1];
+                    if (enumValue > value) {
+                        break;
+                    }
+                    if (enumValue !== 0 && enumValue & value) {
+                        result = "".concat(result).concat(result ? "|" : "").concat(enumName);
+                        remainingFlags &= ~enumValue;
+                    }
+                }
+                if (remainingFlags === 0) {
+                    return result;
+                }
+            }
+            else {
+                for (var _b = 0, members_2 = members; _b < members_2.length; _b++) {
+                    var _c = members_2[_b], enumValue = _c[0], enumName = _c[1];
+                    if (enumValue === value) {
+                        return enumName;
+                    }
+                }
+            }
+            return value.toString();
+        }
+        Debug.formatEnum = formatEnum;
+        function getEnumMembers(enumObject) {
+            var result = [];
+            for (var name in enumObject) {
+                var value = enumObject[name];
+                if (typeof value === "number") {
+                    result.push([value, name]);
+                }
+            }
+            return ts.stableSort(result, function (x, y) { return ts.compareValues(x[0], y[0]); });
+        }
+        function formatSyntaxKind(kind) {
+            return formatEnum(kind, ts.SyntaxKind, /*isFlags*/ false);
+        }
+        Debug.formatSyntaxKind = formatSyntaxKind;
+        function formatSnippetKind(kind) {
+            return formatEnum(kind, ts.SnippetKind, /*isFlags*/ false);
+        }
+        Debug.formatSnippetKind = formatSnippetKind;
+        function formatNodeFlags(flags) {
+            return formatEnum(flags, ts.NodeFlags, /*isFlags*/ true);
+        }
+        Debug.formatNodeFlags = formatNodeFlags;
+        function formatModifierFlags(flags) {
+            return formatEnum(flags, ts.ModifierFlags, /*isFlags*/ true);
+        }
+        Debug.formatModifierFlags = formatModifierFlags;
+        function formatTransformFlags(flags) {
+            return formatEnum(flags, ts.TransformFlags, /*isFlags*/ true);
+        }
+        Debug.formatTransformFlags = formatTransformFlags;
+        function formatEmitFlags(flags) {
+            return formatEnum(flags, ts.EmitFlags, /*isFlags*/ true);
+        }
+        Debug.formatEmitFlags = formatEmitFlags;
+        function formatSymbolFlags(flags) {
+            return formatEnum(flags, ts.SymbolFlags, /*isFlags*/ true);
+        }
+        Debug.formatSymbolFlags = formatSymbolFlags;
+        function formatTypeFlags(flags) {
+            return formatEnum(flags, ts.TypeFlags, /*isFlags*/ true);
+        }
+        Debug.formatTypeFlags = formatTypeFlags;
+        function formatSignatureFlags(flags) {
+            return formatEnum(flags, ts.SignatureFlags, /*isFlags*/ true);
+        }
+        Debug.formatSignatureFlags = formatSignatureFlags;
+        function formatObjectFlags(flags) {
+            return formatEnum(flags, ts.ObjectFlags, /*isFlags*/ true);
+        }
+        Debug.formatObjectFlags = formatObjectFlags;
+        function formatFlowFlags(flags) {
+            return formatEnum(flags, ts.FlowFlags, /*isFlags*/ true);
+        }
+        Debug.formatFlowFlags = formatFlowFlags;
+        var isDebugInfoEnabled = false;
+        var extendedDebugModule;
+        function extendedDebug() {
+            enableDebugInfo();
+            if (!extendedDebugModule) {
+                throw new Error("Debugging helpers could not be loaded.");
+            }
+            return extendedDebugModule;
+        }
+        function printControlFlowGraph(flowNode) {
+            return console.log(formatControlFlowGraph(flowNode));
+        }
+        Debug.printControlFlowGraph = printControlFlowGraph;
+        function formatControlFlowGraph(flowNode) {
+            return extendedDebug().formatControlFlowGraph(flowNode);
+        }
+        Debug.formatControlFlowGraph = formatControlFlowGraph;
+        var flowNodeProto;
+        function attachFlowNodeDebugInfoWorker(flowNode) {
+            if (!("__debugFlowFlags" in flowNode)) { // eslint-disable-line no-in-operator
+                Object.defineProperties(flowNode, {
+                    // for use with vscode-js-debug's new customDescriptionGenerator in launch.json
+                    __tsDebuggerDisplay: {
+                        value: function () {
+                            var flowHeader = this.flags & 2 /* FlowFlags.Start */ ? "FlowStart" :
+                                this.flags & 4 /* FlowFlags.BranchLabel */ ? "FlowBranchLabel" :
+                                    this.flags & 8 /* FlowFlags.LoopLabel */ ? "FlowLoopLabel" :
+                                        this.flags & 16 /* FlowFlags.Assignment */ ? "FlowAssignment" :
+                                            this.flags & 32 /* FlowFlags.TrueCondition */ ? "FlowTrueCondition" :
+                                                this.flags & 64 /* FlowFlags.FalseCondition */ ? "FlowFalseCondition" :
+                                                    this.flags & 128 /* FlowFlags.SwitchClause */ ? "FlowSwitchClause" :
+                                                        this.flags & 256 /* FlowFlags.ArrayMutation */ ? "FlowArrayMutation" :
+                                                            this.flags & 512 /* FlowFlags.Call */ ? "FlowCall" :
+                                                                this.flags & 1024 /* FlowFlags.ReduceLabel */ ? "FlowReduceLabel" :
+                                                                    this.flags & 1 /* FlowFlags.Unreachable */ ? "FlowUnreachable" :
+                                                                        "UnknownFlow";
+                            var remainingFlags = this.flags & ~(2048 /* FlowFlags.Referenced */ - 1);
+                            return "".concat(flowHeader).concat(remainingFlags ? " (".concat(formatFlowFlags(remainingFlags), ")") : "");
+                        }
+                    },
+                    __debugFlowFlags: { get: function () { return formatEnum(this.flags, ts.FlowFlags, /*isFlags*/ true); } },
+                    __debugToString: { value: function () { return formatControlFlowGraph(this); } }
+                });
+            }
+        }
+        function attachFlowNodeDebugInfo(flowNode) {
+            if (isDebugInfoEnabled) {
+                if (typeof Object.setPrototypeOf === "function") {
+                    // if we're in es2015, attach the method to a shared prototype for `FlowNode`
+                    // so the method doesn't show up in the watch window.
+                    if (!flowNodeProto) {
+                        flowNodeProto = Object.create(Object.prototype);
+                        attachFlowNodeDebugInfoWorker(flowNodeProto);
+                    }
+                    Object.setPrototypeOf(flowNode, flowNodeProto);
+                }
+                else {
+                    // not running in an es2015 environment, attach the method directly.
+                    attachFlowNodeDebugInfoWorker(flowNode);
+                }
+            }
+        }
+        Debug.attachFlowNodeDebugInfo = attachFlowNodeDebugInfo;
+        var nodeArrayProto;
+        function attachNodeArrayDebugInfoWorker(array) {
+            if (!("__tsDebuggerDisplay" in array)) { // eslint-disable-line no-in-operator
+                Object.defineProperties(array, {
+                    __tsDebuggerDisplay: {
+                        value: function (defaultValue) {
+                            // An `Array` with extra properties is rendered as `[A, B, prop1: 1, prop2: 2]`. Most of
+                            // these aren't immediately useful so we trim off the `prop1: ..., prop2: ...` part from the
+                            // formatted string.
+                            // This regex can trigger slow backtracking because of overlapping potential captures.
+                            // We don't care, this is debug code that's only enabled with a debugger attached -
+                            // we're just taking note of it for anyone checking regex performance in the future.
+                            defaultValue = String(defaultValue).replace(/(?:,[\s\w\d_]+:[^,]+)+\]$/, "]");
+                            return "NodeArray ".concat(defaultValue);
+                        }
+                    }
+                });
+            }
+        }
+        function attachNodeArrayDebugInfo(array) {
+            if (isDebugInfoEnabled) {
+                if (typeof Object.setPrototypeOf === "function") {
+                    // if we're in es2015, attach the method to a shared prototype for `NodeArray`
+                    // so the method doesn't show up in the watch window.
+                    if (!nodeArrayProto) {
+                        nodeArrayProto = Object.create(Array.prototype);
+                        attachNodeArrayDebugInfoWorker(nodeArrayProto);
+                    }
+                    Object.setPrototypeOf(array, nodeArrayProto);
+                }
+                else {
+                    // not running in an es2015 environment, attach the method directly.
+                    attachNodeArrayDebugInfoWorker(array);
+                }
+            }
+        }
+        Debug.attachNodeArrayDebugInfo = attachNodeArrayDebugInfo;
+        /**
+         * Injects debug information into frequently used types.
+         */
+        function enableDebugInfo() {
+            if (isDebugInfoEnabled)
+                return;
+            // avoid recomputing
+            var weakTypeTextMap;
+            var weakNodeTextMap;
+            function getWeakTypeTextMap() {
+                if (weakTypeTextMap === undefined) {
+                    if (typeof WeakMap === "function")
+                        weakTypeTextMap = new WeakMap();
+                }
+                return weakTypeTextMap;
+            }
+            function getWeakNodeTextMap() {
+                if (weakNodeTextMap === undefined) {
+                    if (typeof WeakMap === "function")
+                        weakNodeTextMap = new WeakMap();
+                }
+                return weakNodeTextMap;
+            }
+            // Add additional properties in debug mode to assist with debugging.
+            Object.defineProperties(ts.objectAllocator.getSymbolConstructor().prototype, {
+                // for use with vscode-js-debug's new customDescriptionGenerator in launch.json
+                __tsDebuggerDisplay: {
+                    value: function () {
+                        var symbolHeader = this.flags & 33554432 /* SymbolFlags.Transient */ ? "TransientSymbol" :
+                            "Symbol";
+                        var remainingSymbolFlags = this.flags & ~33554432 /* SymbolFlags.Transient */;
+                        return "".concat(symbolHeader, " '").concat(ts.symbolName(this), "'").concat(remainingSymbolFlags ? " (".concat(formatSymbolFlags(remainingSymbolFlags), ")") : "");
+                    }
+                },
+                __debugFlags: { get: function () { return formatSymbolFlags(this.flags); } }
+            });
+            Object.defineProperties(ts.objectAllocator.getTypeConstructor().prototype, {
+                // for use with vscode-js-debug's new customDescriptionGenerator in launch.json
+                __tsDebuggerDisplay: {
+                    value: function () {
+                        var typeHeader = this.flags & 98304 /* TypeFlags.Nullable */ ? "NullableType" :
+                            this.flags & 384 /* TypeFlags.StringOrNumberLiteral */ ? "LiteralType ".concat(JSON.stringify(this.value)) :
+                                this.flags & 2048 /* TypeFlags.BigIntLiteral */ ? "LiteralType ".concat(this.value.negative ? "-" : "").concat(this.value.base10Value, "n") :
+                                    this.flags & 8192 /* TypeFlags.UniqueESSymbol */ ? "UniqueESSymbolType" :
+                                        this.flags & 32 /* TypeFlags.Enum */ ? "EnumType" :
+                                            this.flags & 67359327 /* TypeFlags.Intrinsic */ ? "IntrinsicType ".concat(this.intrinsicName) :
+                                                this.flags & 1048576 /* TypeFlags.Union */ ? "UnionType" :
+                                                    this.flags & 2097152 /* TypeFlags.Intersection */ ? "IntersectionType" :
+                                                        this.flags & 4194304 /* TypeFlags.Index */ ? "IndexType" :
+                                                            this.flags & 8388608 /* TypeFlags.IndexedAccess */ ? "IndexedAccessType" :
+                                                                this.flags & 16777216 /* TypeFlags.Conditional */ ? "ConditionalType" :
+                                                                    this.flags & 33554432 /* TypeFlags.Substitution */ ? "SubstitutionType" :
+                                                                        this.flags & 262144 /* TypeFlags.TypeParameter */ ? "TypeParameter" :
+                                                                            this.flags & 524288 /* TypeFlags.Object */ ?
+                                                                                this.objectFlags & 3 /* ObjectFlags.ClassOrInterface */ ? "InterfaceType" :
+                                                                                    this.objectFlags & 4 /* ObjectFlags.Reference */ ? "TypeReference" :
+                                                                                        this.objectFlags & 8 /* ObjectFlags.Tuple */ ? "TupleType" :
+                                                                                            this.objectFlags & 16 /* ObjectFlags.Anonymous */ ? "AnonymousType" :
+                                                                                                this.objectFlags & 32 /* ObjectFlags.Mapped */ ? "MappedType" :
+                                                                                                    this.objectFlags & 1024 /* ObjectFlags.ReverseMapped */ ? "ReverseMappedType" :
+                                                                                                        this.objectFlags & 256 /* ObjectFlags.EvolvingArray */ ? "EvolvingArrayType" :
+                                                                                                            "ObjectType" :
+                                                                                "Type";
+                        var remainingObjectFlags = this.flags & 524288 /* TypeFlags.Object */ ? this.objectFlags & ~1343 /* ObjectFlags.ObjectTypeKindMask */ : 0;
+                        return "".concat(typeHeader).concat(this.symbol ? " '".concat(ts.symbolName(this.symbol), "'") : "").concat(remainingObjectFlags ? " (".concat(formatObjectFlags(remainingObjectFlags), ")") : "");
+                    }
+                },
+                __debugFlags: { get: function () { return formatTypeFlags(this.flags); } },
+                __debugObjectFlags: { get: function () { return this.flags & 524288 /* TypeFlags.Object */ ? formatObjectFlags(this.objectFlags) : ""; } },
+                __debugTypeToString: {
+                    value: function () {
+                        // avoid recomputing
+                        var map = getWeakTypeTextMap();
+                        var text = map === null || map === void 0 ? void 0 : map.get(this);
+                        if (text === undefined) {
+                            text = this.checker.typeToString(this);
+                            map === null || map === void 0 ? void 0 : map.set(this, text);
+                        }
+                        return text;
+                    }
+                },
+            });
+            Object.defineProperties(ts.objectAllocator.getSignatureConstructor().prototype, {
+                __debugFlags: { get: function () { return formatSignatureFlags(this.flags); } },
+                __debugSignatureToString: { value: function () { var _a; return (_a = this.checker) === null || _a === void 0 ? void 0 : _a.signatureToString(this); } }
+            });
+            var nodeConstructors = [
+                ts.objectAllocator.getNodeConstructor(),
+                ts.objectAllocator.getIdentifierConstructor(),
+                ts.objectAllocator.getTokenConstructor(),
+                ts.objectAllocator.getSourceFileConstructor()
+            ];
+            for (var _i = 0, nodeConstructors_1 = nodeConstructors; _i < nodeConstructors_1.length; _i++) {
+                var ctor = nodeConstructors_1[_i];
+                if (!ctor.prototype.hasOwnProperty("__debugKind")) {
+                    Object.defineProperties(ctor.prototype, {
+                        // for use with vscode-js-debug's new customDescriptionGenerator in launch.json
+                        __tsDebuggerDisplay: {
+                            value: function () {
+                                var nodeHeader = ts.isGeneratedIdentifier(this) ? "GeneratedIdentifier" :
+                                    ts.isIdentifier(this) ? "Identifier '".concat(ts.idText(this), "'") :
+                                        ts.isPrivateIdentifier(this) ? "PrivateIdentifier '".concat(ts.idText(this), "'") :
+                                            ts.isStringLiteral(this) ? "StringLiteral ".concat(JSON.stringify(this.text.length < 10 ? this.text : this.text.slice(10) + "...")) :
+                                                ts.isNumericLiteral(this) ? "NumericLiteral ".concat(this.text) :
+                                                    ts.isBigIntLiteral(this) ? "BigIntLiteral ".concat(this.text, "n") :
+                                                        ts.isTypeParameterDeclaration(this) ? "TypeParameterDeclaration" :
+                                                            ts.isParameter(this) ? "ParameterDeclaration" :
+                                                                ts.isConstructorDeclaration(this) ? "ConstructorDeclaration" :
+                                                                    ts.isGetAccessorDeclaration(this) ? "GetAccessorDeclaration" :
+                                                                        ts.isSetAccessorDeclaration(this) ? "SetAccessorDeclaration" :
+                                                                            ts.isCallSignatureDeclaration(this) ? "CallSignatureDeclaration" :
+                                                                                ts.isConstructSignatureDeclaration(this) ? "ConstructSignatureDeclaration" :
+                                                                                    ts.isIndexSignatureDeclaration(this) ? "IndexSignatureDeclaration" :
+                                                                                        ts.isTypePredicateNode(this) ? "TypePredicateNode" :
+                                                                                            ts.isTypeReferenceNode(this) ? "TypeReferenceNode" :
+                                                                                                ts.isFunctionTypeNode(this) ? "FunctionTypeNode" :
+                                                                                                    ts.isConstructorTypeNode(this) ? "ConstructorTypeNode" :
+                                                                                                        ts.isTypeQueryNode(this) ? "TypeQueryNode" :
+                                                                                                            ts.isTypeLiteralNode(this) ? "TypeLiteralNode" :
+                                                                                                                ts.isArrayTypeNode(this) ? "ArrayTypeNode" :
+                                                                                                                    ts.isTupleTypeNode(this) ? "TupleTypeNode" :
+                                                                                                                        ts.isOptionalTypeNode(this) ? "OptionalTypeNode" :
+                                                                                                                            ts.isRestTypeNode(this) ? "RestTypeNode" :
+                                                                                                                                ts.isUnionTypeNode(this) ? "UnionTypeNode" :
+                                                                                                                                    ts.isIntersectionTypeNode(this) ? "IntersectionTypeNode" :
+                                                                                                                                        ts.isConditionalTypeNode(this) ? "ConditionalTypeNode" :
+                                                                                                                                            ts.isInferTypeNode(this) ? "InferTypeNode" :
+                                                                                                                                                ts.isParenthesizedTypeNode(this) ? "ParenthesizedTypeNode" :
+                                                                                                                                                    ts.isThisTypeNode(this) ? "ThisTypeNode" :
+                                                                                                                                                        ts.isTypeOperatorNode(this) ? "TypeOperatorNode" :
+                                                                                                                                                            ts.isIndexedAccessTypeNode(this) ? "IndexedAccessTypeNode" :
+                                                                                                                                                                ts.isMappedTypeNode(this) ? "MappedTypeNode" :
+                                                                                                                                                                    ts.isLiteralTypeNode(this) ? "LiteralTypeNode" :
+                                                                                                                                                                        ts.isNamedTupleMember(this) ? "NamedTupleMember" :
+                                                                                                                                                                            ts.isImportTypeNode(this) ? "ImportTypeNode" :
+                                                                                                                                                                                formatSyntaxKind(this.kind);
+                                return "".concat(nodeHeader).concat(this.flags ? " (".concat(formatNodeFlags(this.flags), ")") : "");
+                            }
+                        },
+                        __debugKind: { get: function () { return formatSyntaxKind(this.kind); } },
+                        __debugNodeFlags: { get: function () { return formatNodeFlags(this.flags); } },
+                        __debugModifierFlags: { get: function () { return formatModifierFlags(ts.getEffectiveModifierFlagsNoCache(this)); } },
+                        __debugTransformFlags: { get: function () { return formatTransformFlags(this.transformFlags); } },
+                        __debugIsParseTreeNode: { get: function () { return ts.isParseTreeNode(this); } },
+                        __debugEmitFlags: { get: function () { return formatEmitFlags(ts.getEmitFlags(this)); } },
+                        __debugGetText: {
+                            value: function (includeTrivia) {
+                                if (ts.nodeIsSynthesized(this))
+                                    return "";
+                                // avoid recomputing
+                                var map = getWeakNodeTextMap();
+                                var text = map === null || map === void 0 ? void 0 : map.get(this);
+                                if (text === undefined) {
+                                    var parseNode = ts.getParseTreeNode(this);
+                                    var sourceFile = parseNode && ts.getSourceFileOfNode(parseNode);
+                                    text = sourceFile ? ts.getSourceTextOfNodeFromSourceFile(sourceFile, parseNode, includeTrivia) : "";
+                                    map === null || map === void 0 ? void 0 : map.set(this, text);
+                                }
+                                return text;
+                            }
+                        }
+                    });
+                }
+            }
+            // attempt to load extended debugging information
+            try {
+                if (ts.sys && ts.sys.require) {
+                    var basePath = ts.getDirectoryPath(ts.resolvePath(ts.sys.getExecutingFilePath()));
+                    var result = ts.sys.require(basePath, "./compiler-debug");
+                    if (!result.error) {
+                        result.module.init(ts);
+                        extendedDebugModule = result.module;
+                    }
+                }
+            }
+            catch (_a) {
+                // do nothing
+            }
+            isDebugInfoEnabled = true;
+        }
+        Debug.enableDebugInfo = enableDebugInfo;
+        function formatDeprecationMessage(name, error, errorAfter, since, message) {
+            var deprecationMessage = error ? "DeprecationError: " : "DeprecationWarning: ";
+            deprecationMessage += "'".concat(name, "' ");
+            deprecationMessage += since ? "has been deprecated since v".concat(since) : "is deprecated";
+            deprecationMessage += error ? " and can no longer be used." : errorAfter ? " and will no longer be usable after v".concat(errorAfter, ".") : ".";
+            deprecationMessage += message ? " ".concat(ts.formatStringFromArgs(message, [name], 0)) : "";
+            return deprecationMessage;
+        }
+        function createErrorDeprecation(name, errorAfter, since, message) {
+            var deprecationMessage = formatDeprecationMessage(name, /*error*/ true, errorAfter, since, message);
+            return function () {
+                throw new TypeError(deprecationMessage);
+            };
+        }
+        function createWarningDeprecation(name, errorAfter, since, message) {
+            var hasWrittenDeprecation = false;
+            return function () {
+                if (!hasWrittenDeprecation) {
+                    log.warn(formatDeprecationMessage(name, /*error*/ false, errorAfter, since, message));
+                    hasWrittenDeprecation = true;
+                }
+            };
+        }
+        function createDeprecation(name, options) {
+            var _a, _b;
+            if (options === void 0) { options = {}; }
+            var version = typeof options.typeScriptVersion === "string" ? new ts.Version(options.typeScriptVersion) : (_a = options.typeScriptVersion) !== null && _a !== void 0 ? _a : getTypeScriptVersion();
+            var errorAfter = typeof options.errorAfter === "string" ? new ts.Version(options.errorAfter) : options.errorAfter;
+            var warnAfter = typeof options.warnAfter === "string" ? new ts.Version(options.warnAfter) : options.warnAfter;
+            var since = typeof options.since === "string" ? new ts.Version(options.since) : (_b = options.since) !== null && _b !== void 0 ? _b : warnAfter;
+            var error = options.error || errorAfter && version.compareTo(errorAfter) <= 0;
+            var warn = !warnAfter || version.compareTo(warnAfter) >= 0;
+            return error ? createErrorDeprecation(name, errorAfter, since, options.message) :
+                warn ? createWarningDeprecation(name, errorAfter, since, options.message) :
+                    ts.noop;
+        }
+        function wrapFunction(deprecation, func) {
+            return function () {
+                deprecation();
+                return func.apply(this, arguments);
+            };
+        }
+        function deprecate(func, options) {
+            var deprecation = createDeprecation(getFunctionName(func), options);
+            return wrapFunction(deprecation, func);
+        }
+        Debug.deprecate = deprecate;
+    })(Debug = ts.Debug || (ts.Debug = {}));
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    // https://semver.org/#spec-item-2
+    // > A normal version number MUST take the form X.Y.Z where X, Y, and Z are non-negative
+    // > integers, and MUST NOT contain leading zeroes. X is the major version, Y is the minor
+    // > version, and Z is the patch version. Each element MUST increase numerically.
+    //
+    // NOTE: We differ here in that we allow X and X.Y, with missing parts having the default
+    // value of `0`.
+    var versionRegExp = /^(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\-([a-z0-9-.]+))?(?:\+([a-z0-9-.]+))?)?)?$/i;
+    // https://semver.org/#spec-item-9
+    // > A pre-release version MAY be denoted by appending a hyphen and a series of dot separated
+    // > identifiers immediately following the patch version. Identifiers MUST comprise only ASCII
+    // > alphanumerics and hyphen [0-9A-Za-z-]. Identifiers MUST NOT be empty. Numeric identifiers
+    // > MUST NOT include leading zeroes.
+    var prereleaseRegExp = /^(?:0|[1-9]\d*|[a-z-][a-z0-9-]*)(?:\.(?:0|[1-9]\d*|[a-z-][a-z0-9-]*))*$/i;
+    // https://semver.org/#spec-item-10
+    // > Build metadata MAY be denoted by appending a plus sign and a series of dot separated
+    // > identifiers immediately following the patch or pre-release version. Identifiers MUST
+    // > comprise only ASCII alphanumerics and hyphen [0-9A-Za-z-]. Identifiers MUST NOT be empty.
+    var buildRegExp = /^[a-z0-9-]+(?:\.[a-z0-9-]+)*$/i;
+    // https://semver.org/#spec-item-9
+    // > Numeric identifiers MUST NOT include leading zeroes.
+    var numericIdentifierRegExp = /^(0|[1-9]\d*)$/;
+    /**
+     * Describes a precise semantic version number, https://semver.org
+     */
+    var Version = /** @class */ (function () {
+        function Version(major, minor, patch, prerelease, build) {
+            if (minor === void 0) { minor = 0; }
+            if (patch === void 0) { patch = 0; }
+            if (prerelease === void 0) { prerelease = ""; }
+            if (build === void 0) { build = ""; }
+            if (typeof major === "string") {
+                var result = ts.Debug.checkDefined(tryParseComponents(major), "Invalid version");
+                (major = result.major, minor = result.minor, patch = result.patch, prerelease = result.prerelease, build = result.build);
+            }
+            ts.Debug.assert(major >= 0, "Invalid argument: major");
+            ts.Debug.assert(minor >= 0, "Invalid argument: minor");
+            ts.Debug.assert(patch >= 0, "Invalid argument: patch");
+            ts.Debug.assert(!prerelease || prereleaseRegExp.test(prerelease), "Invalid argument: prerelease");
+            ts.Debug.assert(!build || buildRegExp.test(build), "Invalid argument: build");
+            this.major = major;
+            this.minor = minor;
+            this.patch = patch;
+            this.prerelease = prerelease ? prerelease.split(".") : ts.emptyArray;
+            this.build = build ? build.split(".") : ts.emptyArray;
+        }
+        Version.tryParse = function (text) {
+            var result = tryParseComponents(text);
+            if (!result)
+                return undefined;
+            var major = result.major, minor = result.minor, patch = result.patch, prerelease = result.prerelease, build = result.build;
+            return new Version(major, minor, patch, prerelease, build);
+        };
+        Version.prototype.compareTo = function (other) {
+            // https://semver.org/#spec-item-11
+            // > Precedence is determined by the first difference when comparing each of these
+            // > identifiers from left to right as follows: Major, minor, and patch versions are
+            // > always compared numerically.
+            //
+            // https://semver.org/#spec-item-11
+            // > Precedence for two pre-release versions with the same major, minor, and patch version
+            // > MUST be determined by comparing each dot separated identifier from left to right until
+            // > a difference is found [...]
+            //
+            // https://semver.org/#spec-item-11
+            // > Build metadata does not figure into precedence
+            if (this === other)
+                return 0 /* Comparison.EqualTo */;
+            if (other === undefined)
+                return 1 /* Comparison.GreaterThan */;
+            return ts.compareValues(this.major, other.major)
+                || ts.compareValues(this.minor, other.minor)
+                || ts.compareValues(this.patch, other.patch)
+                || comparePrereleaseIdentifiers(this.prerelease, other.prerelease);
+        };
+        Version.prototype.increment = function (field) {
+            switch (field) {
+                case "major": return new Version(this.major + 1, 0, 0);
+                case "minor": return new Version(this.major, this.minor + 1, 0);
+                case "patch": return new Version(this.major, this.minor, this.patch + 1);
+                default: return ts.Debug.assertNever(field);
+            }
+        };
+        Version.prototype.toString = function () {
+            var result = "".concat(this.major, ".").concat(this.minor, ".").concat(this.patch);
+            if (ts.some(this.prerelease))
+                result += "-".concat(this.prerelease.join("."));
+            if (ts.some(this.build))
+                result += "+".concat(this.build.join("."));
+            return result;
+        };
+        Version.zero = new Version(0, 0, 0);
+        return Version;
+    }());
+    ts.Version = Version;
+    function tryParseComponents(text) {
+        var match = versionRegExp.exec(text);
+        if (!match)
+            return undefined;
+        var major = match[1], _a = match[2], minor = _a === void 0 ? "0" : _a, _b = match[3], patch = _b === void 0 ? "0" : _b, _c = match[4], prerelease = _c === void 0 ? "" : _c, _d = match[5], build = _d === void 0 ? "" : _d;
+        if (prerelease && !prereleaseRegExp.test(prerelease))
+            return undefined;
+        if (build && !buildRegExp.test(build))
+            return undefined;
+        return {
+            major: parseInt(major, 10),
+            minor: parseInt(minor, 10),
+            patch: parseInt(patch, 10),
+            prerelease: prerelease,
+            build: build
+        };
+    }
+    function comparePrereleaseIdentifiers(left, right) {
+        // https://semver.org/#spec-item-11
+        // > When major, minor, and patch are equal, a pre-release version has lower precedence
+        // > than a normal version.
+        if (left === right)
+            return 0 /* Comparison.EqualTo */;
+        if (left.length === 0)
+            return right.length === 0 ? 0 /* Comparison.EqualTo */ : 1 /* Comparison.GreaterThan */;
+        if (right.length === 0)
+            return -1 /* Comparison.LessThan */;
+        // https://semver.org/#spec-item-11
+        // > Precedence for two pre-release versions with the same major, minor, and patch version
+        // > MUST be determined by comparing each dot separated identifier from left to right until
+        // > a difference is found [...]
+        var length = Math.min(left.length, right.length);
+        for (var i = 0; i < length; i++) {
+            var leftIdentifier = left[i];
+            var rightIdentifier = right[i];
+            if (leftIdentifier === rightIdentifier)
+                continue;
+            var leftIsNumeric = numericIdentifierRegExp.test(leftIdentifier);
+            var rightIsNumeric = numericIdentifierRegExp.test(rightIdentifier);
+            if (leftIsNumeric || rightIsNumeric) {
+                // https://semver.org/#spec-item-11
+                // > Numeric identifiers always have lower precedence than non-numeric identifiers.
+                if (leftIsNumeric !== rightIsNumeric)
+                    return leftIsNumeric ? -1 /* Comparison.LessThan */ : 1 /* Comparison.GreaterThan */;
+                // https://semver.org/#spec-item-11
+                // > identifiers consisting of only digits are compared numerically
+                var result = ts.compareValues(+leftIdentifier, +rightIdentifier);
+                if (result)
+                    return result;
+            }
+            else {
+                // https://semver.org/#spec-item-11
+                // > identifiers with letters or hyphens are compared lexically in ASCII sort order.
+                var result = ts.compareStringsCaseSensitive(leftIdentifier, rightIdentifier);
+                if (result)
+                    return result;
+            }
+        }
+        // https://semver.org/#spec-item-11
+        // > A larger set of pre-release fields has a higher precedence than a smaller set, if all
+        // > of the preceding identifiers are equal.
+        return ts.compareValues(left.length, right.length);
+    }
+    /**
+     * Describes a semantic version range, per https://github.com/npm/node-semver#ranges
+     */
+    var VersionRange = /** @class */ (function () {
+        function VersionRange(spec) {
+            this._alternatives = spec ? ts.Debug.checkDefined(parseRange(spec), "Invalid range spec.") : ts.emptyArray;
+        }
+        VersionRange.tryParse = function (text) {
+            var sets = parseRange(text);
+            if (sets) {
+                var range = new VersionRange("");
+                range._alternatives = sets;
+                return range;
+            }
+            return undefined;
+        };
+        VersionRange.prototype.test = function (version) {
+            if (typeof version === "string")
+                version = new Version(version);
+            return testDisjunction(version, this._alternatives);
+        };
+        VersionRange.prototype.toString = function () {
+            return formatDisjunction(this._alternatives);
+        };
+        return VersionRange;
+    }());
+    ts.VersionRange = VersionRange;
+    // https://github.com/npm/node-semver#range-grammar
+    //
+    // range-set    ::= range ( logical-or range ) *
+    // range        ::= hyphen | simple ( ' ' simple ) * | ''
+    // logical-or   ::= ( ' ' ) * '||' ( ' ' ) *
+    var logicalOrRegExp = /\|\|/g;
+    var whitespaceRegExp = /\s+/g;
+    // https://github.com/npm/node-semver#range-grammar
+    //
+    // partial      ::= xr ( '.' xr ( '.' xr qualifier ? )? )?
+    // xr           ::= 'x' | 'X' | '*' | nr
+    // nr           ::= '0' | ['1'-'9'] ( ['0'-'9'] ) *
+    // qualifier    ::= ( '-' pre )? ( '+' build )?
+    // pre          ::= parts
+    // build        ::= parts
+    // parts        ::= part ( '.' part ) *
+    // part         ::= nr | [-0-9A-Za-z]+
+    var partialRegExp = /^([xX*0]|[1-9]\d*)(?:\.([xX*0]|[1-9]\d*)(?:\.([xX*0]|[1-9]\d*)(?:-([a-z0-9-.]+))?(?:\+([a-z0-9-.]+))?)?)?$/i;
+    // https://github.com/npm/node-semver#range-grammar
+    //
+    // hyphen       ::= partial ' - ' partial
+    var hyphenRegExp = /^\s*([a-z0-9-+.*]+)\s+-\s+([a-z0-9-+.*]+)\s*$/i;
+    // https://github.com/npm/node-semver#range-grammar
+    //
+    // simple       ::= primitive | partial | tilde | caret
+    // primitive    ::= ( '<' | '>' | '>=' | '<=' | '=' ) partial
+    // tilde        ::= '~' partial
+    // caret        ::= '^' partial
+    var rangeRegExp = /^(~|\^|<|<=|>|>=|=)?\s*([a-z0-9-+.*]+)$/i;
+    function parseRange(text) {
+        var alternatives = [];
+        for (var _i = 0, _a = ts.trimString(text).split(logicalOrRegExp); _i < _a.length; _i++) {
+            var range = _a[_i];
+            if (!range)
+                continue;
+            var comparators = [];
+            range = ts.trimString(range);
+            var match = hyphenRegExp.exec(range);
+            if (match) {
+                if (!parseHyphen(match[1], match[2], comparators))
+                    return undefined;
+            }
+            else {
+                for (var _b = 0, _c = range.split(whitespaceRegExp); _b < _c.length; _b++) {
+                    var simple = _c[_b];
+                    var match_1 = rangeRegExp.exec(ts.trimString(simple));
+                    if (!match_1 || !parseComparator(match_1[1], match_1[2], comparators))
+                        return undefined;
+                }
+            }
+            alternatives.push(comparators);
+        }
+        return alternatives;
+    }
+    function parsePartial(text) {
+        var match = partialRegExp.exec(text);
+        if (!match)
+            return undefined;
+        var major = match[1], _a = match[2], minor = _a === void 0 ? "*" : _a, _b = match[3], patch = _b === void 0 ? "*" : _b, prerelease = match[4], build = match[5];
+        var version = new Version(isWildcard(major) ? 0 : parseInt(major, 10), isWildcard(major) || isWildcard(minor) ? 0 : parseInt(minor, 10), isWildcard(major) || isWildcard(minor) || isWildcard(patch) ? 0 : parseInt(patch, 10), prerelease, build);
+        return { version: version, major: major, minor: minor, patch: patch };
+    }
+    function parseHyphen(left, right, comparators) {
+        var leftResult = parsePartial(left);
+        if (!leftResult)
+            return false;
+        var rightResult = parsePartial(right);
+        if (!rightResult)
+            return false;
+        if (!isWildcard(leftResult.major)) {
+            comparators.push(createComparator(">=", leftResult.version));
+        }
+        if (!isWildcard(rightResult.major)) {
+            comparators.push(isWildcard(rightResult.minor) ? createComparator("<", rightResult.version.increment("major")) :
+                isWildcard(rightResult.patch) ? createComparator("<", rightResult.version.increment("minor")) :
+                    createComparator("<=", rightResult.version));
+        }
+        return true;
+    }
+    function parseComparator(operator, text, comparators) {
+        var result = parsePartial(text);
+        if (!result)
+            return false;
+        var version = result.version, major = result.major, minor = result.minor, patch = result.patch;
+        if (!isWildcard(major)) {
+            switch (operator) {
+                case "~":
+                    comparators.push(createComparator(">=", version));
+                    comparators.push(createComparator("<", version.increment(isWildcard(minor) ? "major" :
+                        "minor")));
+                    break;
+                case "^":
+                    comparators.push(createComparator(">=", version));
+                    comparators.push(createComparator("<", version.increment(version.major > 0 || isWildcard(minor) ? "major" :
+                        version.minor > 0 || isWildcard(patch) ? "minor" :
+                            "patch")));
+                    break;
+                case "<":
+                case ">=":
+                    comparators.push(createComparator(operator, version));
+                    break;
+                case "<=":
+                case ">":
+                    comparators.push(isWildcard(minor) ? createComparator(operator === "<=" ? "<" : ">=", version.increment("major")) :
+                        isWildcard(patch) ? createComparator(operator === "<=" ? "<" : ">=", version.increment("minor")) :
+                            createComparator(operator, version));
+                    break;
+                case "=":
+                case undefined:
+                    if (isWildcard(minor) || isWildcard(patch)) {
+                        comparators.push(createComparator(">=", version));
+                        comparators.push(createComparator("<", version.increment(isWildcard(minor) ? "major" : "minor")));
+                    }
+                    else {
+                        comparators.push(createComparator("=", version));
+                    }
+                    break;
+                default:
+                    // unrecognized
+                    return false;
+            }
+        }
+        else if (operator === "<" || operator === ">") {
+            comparators.push(createComparator("<", Version.zero));
+        }
+        return true;
+    }
+    function isWildcard(part) {
+        return part === "*" || part === "x" || part === "X";
+    }
+    function createComparator(operator, operand) {
+        return { operator: operator, operand: operand };
+    }
+    function testDisjunction(version, alternatives) {
+        // an empty disjunction is treated as "*" (all versions)
+        if (alternatives.length === 0)
+            return true;
+        for (var _i = 0, alternatives_1 = alternatives; _i < alternatives_1.length; _i++) {
+            var alternative = alternatives_1[_i];
+            if (testAlternative(version, alternative))
+                return true;
+        }
+        return false;
+    }
+    function testAlternative(version, comparators) {
+        for (var _i = 0, comparators_1 = comparators; _i < comparators_1.length; _i++) {
+            var comparator = comparators_1[_i];
+            if (!testComparator(version, comparator.operator, comparator.operand))
+                return false;
+        }
+        return true;
+    }
+    function testComparator(version, operator, operand) {
+        var cmp = version.compareTo(operand);
+        switch (operator) {
+            case "<": return cmp < 0;
+            case "<=": return cmp <= 0;
+            case ">": return cmp > 0;
+            case ">=": return cmp >= 0;
+            case "=": return cmp === 0;
+            default: return ts.Debug.assertNever(operator);
+        }
+    }
+    function formatDisjunction(alternatives) {
+        return ts.map(alternatives, formatAlternative).join(" || ") || "*";
+    }
+    function formatAlternative(comparators) {
+        return ts.map(comparators, formatComparator).join(" ");
+    }
+    function formatComparator(comparator) {
+        return "".concat(comparator.operator).concat(comparator.operand);
+    }
+})(ts || (ts = {}));
+/*@internal*/
+var ts;
+(function (ts) {
+    // The following definitions provide the minimum compatible support for the Web Performance User Timings API
+    // between browsers and NodeJS:
+    // eslint-disable-next-line @typescript-eslint/naming-convention
+    function hasRequiredAPI(performance, PerformanceObserver) {
+        return typeof performance === "object" &&
+            typeof performance.timeOrigin === "number" &&
+            typeof performance.mark === "function" &&
+            typeof performance.measure === "function" &&
+            typeof performance.now === "function" &&
+            typeof PerformanceObserver === "function";
+    }
+    function tryGetWebPerformanceHooks() {
+        if (typeof performance === "object" &&
+            typeof PerformanceObserver === "function" &&
+            hasRequiredAPI(performance, PerformanceObserver)) {
+            return {
+                // For now we always write native performance events when running in the browser. We may
+                // make this conditional in the future if we find that native web performance hooks
+                // in the browser also slow down compilation.
+                shouldWriteNativeEvents: true,
+                performance: performance,
+                PerformanceObserver: PerformanceObserver
+            };
+        }
+    }
+    function tryGetNodePerformanceHooks() {
+        if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof module === "object" && typeof require === "function") {
+            try {
+                var performance_1;
+                var _a = require("perf_hooks"), nodePerformance_1 = _a.performance, PerformanceObserver_1 = _a.PerformanceObserver;
+                if (hasRequiredAPI(nodePerformance_1, PerformanceObserver_1)) {
+                    performance_1 = nodePerformance_1;
+                    // There is a bug in Node's performance.measure prior to 12.16.3/13.13.0 that does not
+                    // match the Web Performance API specification. Node's implementation did not allow
+                    // optional `start` and `end` arguments for `performance.measure`.
+                    // See https://github.com/nodejs/node/pull/32651 for more information.
+                    var version_1 = new ts.Version(process.versions.node);
+                    var range = new ts.VersionRange("<12.16.3 || 13 <13.13");
+                    if (range.test(version_1)) {
+                        performance_1 = {
+                            get timeOrigin() { return nodePerformance_1.timeOrigin; },
+                            now: function () { return nodePerformance_1.now(); },
+                            mark: function (name) { return nodePerformance_1.mark(name); },
+                            measure: function (name, start, end) {
+                                if (start === void 0) { start = "nodeStart"; }
+                                if (end === undefined) {
+                                    end = "__performance.measure-fix__";
+                                    nodePerformance_1.mark(end);
+                                }
+                                nodePerformance_1.measure(name, start, end);
+                                if (end === "__performance.measure-fix__") {
+                                    nodePerformance_1.clearMarks("__performance.measure-fix__");
+                                }
+                            }
+                        };
+                    }
+                    return {
+                        // By default, only write native events when generating a cpu profile or using the v8 profiler.
+                        shouldWriteNativeEvents: false,
+                        performance: performance_1,
+                        PerformanceObserver: PerformanceObserver_1
+                    };
+                }
+            }
+            catch (_b) {
+                // ignore errors
+            }
+        }
+    }
+    // Unlike with the native Map/Set 'tryGet' functions in corePublic.ts, we eagerly evaluate these
+    // since we will need them for `timestamp`, below.
+    var nativePerformanceHooks = tryGetWebPerformanceHooks() || tryGetNodePerformanceHooks();
+    var nativePerformance = nativePerformanceHooks === null || nativePerformanceHooks === void 0 ? void 0 : nativePerformanceHooks.performance;
+    function tryGetNativePerformanceHooks() {
+        return nativePerformanceHooks;
+    }
+    ts.tryGetNativePerformanceHooks = tryGetNativePerformanceHooks;
+    /** Gets a timestamp with (at least) ms resolution */
+    ts.timestamp = nativePerformance ? function () { return nativePerformance.now(); } :
+        Date.now ? Date.now :
+            function () { return +(new Date()); };
+})(ts || (ts = {}));
+/*@internal*/
+/** Performance measurements for the compiler. */
+var ts;
+(function (ts) {
+    var performance;
+    (function (performance) {
+        var perfHooks;
+        // when set, indicates the implementation of `Performance` to use for user timing.
+        // when unset, indicates user timing is unavailable or disabled.
+        var performanceImpl;
+        function createTimerIf(condition, measureName, startMarkName, endMarkName) {
+            return condition ? createTimer(measureName, startMarkName, endMarkName) : performance.nullTimer;
+        }
+        performance.createTimerIf = createTimerIf;
+        function createTimer(measureName, startMarkName, endMarkName) {
+            var enterCount = 0;
+            return {
+                enter: enter,
+                exit: exit
+            };
+            function enter() {
+                if (++enterCount === 1) {
+                    mark(startMarkName);
+                }
+            }
+            function exit() {
+                if (--enterCount === 0) {
+                    mark(endMarkName);
+                    measure(measureName, startMarkName, endMarkName);
+                }
+                else if (enterCount < 0) {
+                    ts.Debug.fail("enter/exit count does not match.");
+                }
+            }
+        }
+        performance.createTimer = createTimer;
+        performance.nullTimer = { enter: ts.noop, exit: ts.noop };
+        var enabled = false;
+        var timeorigin = ts.timestamp();
+        var marks = new ts.Map();
+        var counts = new ts.Map();
+        var durations = new ts.Map();
+        /**
+         * Marks a performance event.
+         *
+         * @param markName The name of the mark.
+         */
+        function mark(markName) {
+            var _a;
+            if (enabled) {
+                var count = (_a = counts.get(markName)) !== null && _a !== void 0 ? _a : 0;
+                counts.set(markName, count + 1);
+                marks.set(markName, ts.timestamp());
+                performanceImpl === null || performanceImpl === void 0 ? void 0 : performanceImpl.mark(markName);
+            }
+        }
+        performance.mark = mark;
+        /**
+         * Adds a performance measurement with the specified name.
+         *
+         * @param measureName The name of the performance measurement.
+         * @param startMarkName The name of the starting mark. If not supplied, the point at which the
+         *      profiler was enabled is used.
+         * @param endMarkName The name of the ending mark. If not supplied, the current timestamp is
+         *      used.
+         */
+        function measure(measureName, startMarkName, endMarkName) {
+            var _a, _b;
+            if (enabled) {
+                var end = (_a = (endMarkName !== undefined ? marks.get(endMarkName) : undefined)) !== null && _a !== void 0 ? _a : ts.timestamp();
+                var start = (_b = (startMarkName !== undefined ? marks.get(startMarkName) : undefined)) !== null && _b !== void 0 ? _b : timeorigin;
+                var previousDuration = durations.get(measureName) || 0;
+                durations.set(measureName, previousDuration + (end - start));
+                performanceImpl === null || performanceImpl === void 0 ? void 0 : performanceImpl.measure(measureName, startMarkName, endMarkName);
+            }
+        }
+        performance.measure = measure;
+        /**
+         * Gets the number of times a marker was encountered.
+         *
+         * @param markName The name of the mark.
+         */
+        function getCount(markName) {
+            return counts.get(markName) || 0;
+        }
+        performance.getCount = getCount;
+        /**
+         * Gets the total duration of all measurements with the supplied name.
+         *
+         * @param measureName The name of the measure whose durations should be accumulated.
+         */
+        function getDuration(measureName) {
+            return durations.get(measureName) || 0;
+        }
+        performance.getDuration = getDuration;
+        /**
+         * Iterate over each measure, performing some action
+         *
+         * @param cb The action to perform for each measure
+         */
+        function forEachMeasure(cb) {
+            durations.forEach(function (duration, measureName) { return cb(measureName, duration); });
+        }
+        performance.forEachMeasure = forEachMeasure;
+        /**
+         * Indicates whether the performance API is enabled.
+         */
+        function isEnabled() {
+            return enabled;
+        }
+        performance.isEnabled = isEnabled;
+        /** Enables (and resets) performance measurements for the compiler. */
+        function enable(system) {
+            var _a;
+            if (system === void 0) { system = ts.sys; }
+            if (!enabled) {
+                enabled = true;
+                perfHooks || (perfHooks = ts.tryGetNativePerformanceHooks());
+                if (perfHooks) {
+                    timeorigin = perfHooks.performance.timeOrigin;
+                    // NodeJS's Web Performance API is currently slower than expected, but we'd still like
+                    // to be able to leverage native trace events when node is run with either `--cpu-prof`
+                    // or `--prof`, if we're running with our own `--generateCpuProfile` flag, or when
+                    // running in debug mode (since its possible to generate a cpu profile while debugging).
+                    if (perfHooks.shouldWriteNativeEvents || ((_a = system === null || system === void 0 ? void 0 : system.cpuProfilingEnabled) === null || _a === void 0 ? void 0 : _a.call(system)) || (system === null || system === void 0 ? void 0 : system.debugMode)) {
+                        performanceImpl = perfHooks.performance;
+                    }
+                }
+            }
+            return true;
+        }
+        performance.enable = enable;
+        /** Disables performance measurements for the compiler. */
+        function disable() {
+            if (enabled) {
+                marks.clear();
+                counts.clear();
+                durations.clear();
+                performanceImpl = undefined;
+                enabled = false;
+            }
+        }
+        performance.disable = disable;
+    })(performance = ts.performance || (ts.performance = {}));
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    var _a;
+    var nullLogger = {
+        logEvent: ts.noop,
+        logErrEvent: ts.noop,
+        logPerfEvent: ts.noop,
+        logInfoEvent: ts.noop,
+        logStartCommand: ts.noop,
+        logStopCommand: ts.noop,
+        logStartUpdateProgram: ts.noop,
+        logStopUpdateProgram: ts.noop,
+        logStartUpdateGraph: ts.noop,
+        logStopUpdateGraph: ts.noop,
+        logStartResolveModule: ts.noop,
+        logStopResolveModule: ts.noop,
+        logStartParseSourceFile: ts.noop,
+        logStopParseSourceFile: ts.noop,
+        logStartReadFile: ts.noop,
+        logStopReadFile: ts.noop,
+        logStartBindFile: ts.noop,
+        logStopBindFile: ts.noop,
+        logStartScheduledOperation: ts.noop,
+        logStopScheduledOperation: ts.noop,
+    };
+    // Load optional module to enable Event Tracing for Windows
+    // See https://github.com/microsoft/typescript-etw for more information
+    var etwModule;
+    try {
+        var etwModulePath = (_a = process.env.TS_ETW_MODULE_PATH) !== null && _a !== void 0 ? _a : "./node_modules/@microsoft/typescript-etw";
+        // require() will throw an exception if the module is not found
+        // It may also return undefined if not installed properly
+        etwModule = require(etwModulePath);
+    }
+    catch (e) {
+        etwModule = undefined;
+    }
+    /** Performance logger that will generate ETW events if possible - check for `logEvent` member, as `etwModule` will be `{}` when browserified */
+    ts.perfLogger = etwModule && etwModule.logEvent ? etwModule : nullLogger;
+})(ts || (ts = {}));
+/* Tracing events for the compiler. */
+/*@internal*/
+var ts;
+(function (ts) {
+    // enable the above using startTracing()
+    // `tracingEnabled` should never be used directly, only through the above
+    var tracingEnabled;
+    (function (tracingEnabled) {
+        var fs;
+        var traceCount = 0;
+        var traceFd = 0;
+        var mode;
+        var typeCatalog = []; // NB: id is index + 1
+        var legendPath;
+        var legend = [];
+        ;
+        /** Starts tracing for the given project. */
+        function startTracing(tracingMode, traceDir, configFilePath) {
+            ts.Debug.assert(!ts.tracing, "Tracing already started");
+            if (fs === undefined) {
+                try {
+                    fs = require("fs");
+                }
+                catch (e) {
+                    throw new Error("tracing requires having fs\n(original error: ".concat(e.message || e, ")"));
+                }
+            }
+            mode = tracingMode;
+            typeCatalog.length = 0;
+            if (legendPath === undefined) {
+                legendPath = ts.combinePaths(traceDir, "legend.json");
+            }
+            // Note that writing will fail later on if it exists and is not a directory
+            if (!fs.existsSync(traceDir)) {
+                fs.mkdirSync(traceDir, { recursive: true });
+            }
+            var countPart = mode === "build" ? ".".concat(process.pid, "-").concat(++traceCount)
+                : mode === "server" ? ".".concat(process.pid)
+                    : "";
+            var tracePath = ts.combinePaths(traceDir, "trace".concat(countPart, ".json"));
+            var typesPath = ts.combinePaths(traceDir, "types".concat(countPart, ".json"));
+            legend.push({
+                configFilePath: configFilePath,
+                tracePath: tracePath,
+                typesPath: typesPath,
+            });
+            traceFd = fs.openSync(tracePath, "w");
+            ts.tracing = tracingEnabled; // only when traceFd is properly set
+            // Start with a prefix that contains some metadata that the devtools profiler expects (also avoids a warning on import)
+            var meta = { cat: "__metadata", ph: "M", ts: 1000 * ts.timestamp(), pid: 1, tid: 1 };
+            fs.writeSync(traceFd, "[\n"
+                + [__assign({ name: "process_name", args: { name: "tsc" } }, meta), __assign({ name: "thread_name", args: { name: "Main" } }, meta), __assign(__assign({ name: "TracingStartedInBrowser" }, meta), { cat: "disabled-by-default-devtools.timeline" })]
+                    .map(function (v) { return JSON.stringify(v); }).join(",\n"));
+        }
+        tracingEnabled.startTracing = startTracing;
+        /** Stops tracing for the in-progress project and dumps the type catalog. */
+        function stopTracing() {
+            ts.Debug.assert(ts.tracing, "Tracing is not in progress");
+            ts.Debug.assert(!!typeCatalog.length === (mode !== "server")); // Have a type catalog iff not in server mode
+            fs.writeSync(traceFd, "\n]\n");
+            fs.closeSync(traceFd);
+            ts.tracing = undefined;
+            if (typeCatalog.length) {
+                dumpTypes(typeCatalog);
+            }
+            else {
+                // We pre-computed this path for convenience, but clear it
+                // now that the file won't be created.
+                legend[legend.length - 1].typesPath = undefined;
+            }
+        }
+        tracingEnabled.stopTracing = stopTracing;
+        function recordType(type) {
+            if (mode !== "server") {
+                typeCatalog.push(type);
+            }
+        }
+        tracingEnabled.recordType = recordType;
+        var Phase;
+        (function (Phase) {
+            Phase["Parse"] = "parse";
+            Phase["Program"] = "program";
+            Phase["Bind"] = "bind";
+            Phase["Check"] = "check";
+            Phase["CheckTypes"] = "checkTypes";
+            Phase["Emit"] = "emit";
+            Phase["Session"] = "session";
+        })(Phase = tracingEnabled.Phase || (tracingEnabled.Phase = {}));
+        function instant(phase, name, args) {
+            writeEvent("I", phase, name, args, "\"s\":\"g\"");
+        }
+        tracingEnabled.instant = instant;
+        var eventStack = [];
+        /**
+         * @param separateBeginAndEnd - used for special cases where we need the trace point even if the event
+         * never terminates (typically for reducing a scenario too big to trace to one that can be completed).
+         * In the future we might implement an exit handler to dump unfinished events which would deprecate
+         * these operations.
+         */
+        function push(phase, name, args, separateBeginAndEnd) {
+            if (separateBeginAndEnd === void 0) { separateBeginAndEnd = false; }
+            if (separateBeginAndEnd) {
+                writeEvent("B", phase, name, args);
+            }
+            eventStack.push({ phase: phase, name: name, args: args, time: 1000 * ts.timestamp(), separateBeginAndEnd: separateBeginAndEnd });
+        }
+        tracingEnabled.push = push;
+        function pop() {
+            ts.Debug.assert(eventStack.length > 0);
+            writeStackEvent(eventStack.length - 1, 1000 * ts.timestamp());
+            eventStack.length--;
+        }
+        tracingEnabled.pop = pop;
+        function popAll() {
+            var endTime = 1000 * ts.timestamp();
+            for (var i = eventStack.length - 1; i >= 0; i--) {
+                writeStackEvent(i, endTime);
+            }
+            eventStack.length = 0;
+        }
+        tracingEnabled.popAll = popAll;
+        // sample every 10ms
+        var sampleInterval = 1000 * 10;
+        function writeStackEvent(index, endTime) {
+            var _a = eventStack[index], phase = _a.phase, name = _a.name, args = _a.args, time = _a.time, separateBeginAndEnd = _a.separateBeginAndEnd;
+            if (separateBeginAndEnd) {
+                writeEvent("E", phase, name, args, /*extras*/ undefined, endTime);
+            }
+            // test if [time,endTime) straddles a sampling point
+            else if (sampleInterval - (time % sampleInterval) <= endTime - time) {
+                writeEvent("X", phase, name, args, "\"dur\":".concat(endTime - time), time);
+            }
+        }
+        function writeEvent(eventType, phase, name, args, extras, time) {
+            if (time === void 0) { time = 1000 * ts.timestamp(); }
+            // In server mode, there's no easy way to dump type information, so we drop events that would require it.
+            if (mode === "server" && phase === "checkTypes" /* Phase.CheckTypes */)
+                return;
+            ts.performance.mark("beginTracing");
+            fs.writeSync(traceFd, ",\n{\"pid\":1,\"tid\":1,\"ph\":\"".concat(eventType, "\",\"cat\":\"").concat(phase, "\",\"ts\":").concat(time, ",\"name\":\"").concat(name, "\""));
+            if (extras)
+                fs.writeSync(traceFd, ",".concat(extras));
+            if (args)
+                fs.writeSync(traceFd, ",\"args\":".concat(JSON.stringify(args)));
+            fs.writeSync(traceFd, "}");
+            ts.performance.mark("endTracing");
+            ts.performance.measure("Tracing", "beginTracing", "endTracing");
+        }
+        function getLocation(node) {
+            var file = ts.getSourceFileOfNode(node);
+            return !file
+                ? undefined
+                : {
+                    path: file.path,
+                    start: indexFromOne(ts.getLineAndCharacterOfPosition(file, node.pos)),
+                    end: indexFromOne(ts.getLineAndCharacterOfPosition(file, node.end)),
+                };
+            function indexFromOne(lc) {
+                return {
+                    line: lc.line + 1,
+                    character: lc.character + 1,
+                };
+            }
+        }
+        function dumpTypes(types) {
+            var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t, _u, _v, _w, _x;
+            ts.performance.mark("beginDumpTypes");
+            var typesPath = legend[legend.length - 1].typesPath;
+            var typesFd = fs.openSync(typesPath, "w");
+            var recursionIdentityMap = new ts.Map();
+            // Cleverness: no line break here so that the type ID will match the line number
+            fs.writeSync(typesFd, "[");
+            var numTypes = types.length;
+            for (var i = 0; i < numTypes; i++) {
+                var type = types[i];
+                var objectFlags = type.objectFlags;
+                var symbol = (_a = type.aliasSymbol) !== null && _a !== void 0 ? _a : type.symbol;
+                // It's slow to compute the display text, so skip it unless it's really valuable (or cheap)
+                var display = void 0;
+                if ((objectFlags & 16 /* ObjectFlags.Anonymous */) | (type.flags & 2944 /* TypeFlags.Literal */)) {
+                    try {
+                        display = (_b = type.checker) === null || _b === void 0 ? void 0 : _b.typeToString(type);
+                    }
+                    catch (_y) {
+                        display = undefined;
+                    }
+                }
+                var indexedAccessProperties = {};
+                if (type.flags & 8388608 /* TypeFlags.IndexedAccess */) {
+                    var indexedAccessType = type;
+                    indexedAccessProperties = {
+                        indexedAccessObjectType: (_c = indexedAccessType.objectType) === null || _c === void 0 ? void 0 : _c.id,
+                        indexedAccessIndexType: (_d = indexedAccessType.indexType) === null || _d === void 0 ? void 0 : _d.id,
+                    };
+                }
+                var referenceProperties = {};
+                if (objectFlags & 4 /* ObjectFlags.Reference */) {
+                    var referenceType = type;
+                    referenceProperties = {
+                        instantiatedType: (_e = referenceType.target) === null || _e === void 0 ? void 0 : _e.id,
+                        typeArguments: (_f = referenceType.resolvedTypeArguments) === null || _f === void 0 ? void 0 : _f.map(function (t) { return t.id; }),
+                        referenceLocation: getLocation(referenceType.node),
+                    };
+                }
+                var conditionalProperties = {};
+                if (type.flags & 16777216 /* TypeFlags.Conditional */) {
+                    var conditionalType = type;
+                    conditionalProperties = {
+                        conditionalCheckType: (_g = conditionalType.checkType) === null || _g === void 0 ? void 0 : _g.id,
+                        conditionalExtendsType: (_h = conditionalType.extendsType) === null || _h === void 0 ? void 0 : _h.id,
+                        conditionalTrueType: (_k = (_j = conditionalType.resolvedTrueType) === null || _j === void 0 ? void 0 : _j.id) !== null && _k !== void 0 ? _k : -1,
+                        conditionalFalseType: (_m = (_l = conditionalType.resolvedFalseType) === null || _l === void 0 ? void 0 : _l.id) !== null && _m !== void 0 ? _m : -1,
+                    };
+                }
+                var substitutionProperties = {};
+                if (type.flags & 33554432 /* TypeFlags.Substitution */) {
+                    var substitutionType = type;
+                    substitutionProperties = {
+                        substitutionBaseType: (_o = substitutionType.baseType) === null || _o === void 0 ? void 0 : _o.id,
+                        substituteType: (_p = substitutionType.substitute) === null || _p === void 0 ? void 0 : _p.id,
+                    };
+                }
+                var reverseMappedProperties = {};
+                if (objectFlags & 1024 /* ObjectFlags.ReverseMapped */) {
+                    var reverseMappedType = type;
+                    reverseMappedProperties = {
+                        reverseMappedSourceType: (_q = reverseMappedType.source) === null || _q === void 0 ? void 0 : _q.id,
+                        reverseMappedMappedType: (_r = reverseMappedType.mappedType) === null || _r === void 0 ? void 0 : _r.id,
+                        reverseMappedConstraintType: (_s = reverseMappedType.constraintType) === null || _s === void 0 ? void 0 : _s.id,
+                    };
+                }
+                var evolvingArrayProperties = {};
+                if (objectFlags & 256 /* ObjectFlags.EvolvingArray */) {
+                    var evolvingArrayType = type;
+                    evolvingArrayProperties = {
+                        evolvingArrayElementType: evolvingArrayType.elementType.id,
+                        evolvingArrayFinalType: (_t = evolvingArrayType.finalArrayType) === null || _t === void 0 ? void 0 : _t.id,
+                    };
+                }
+                // We can't print out an arbitrary object, so just assign each one a unique number.
+                // Don't call it an "id" so people don't treat it as a type id.
+                var recursionToken = void 0;
+                var recursionIdentity = type.checker.getRecursionIdentity(type);
+                if (recursionIdentity) {
+                    recursionToken = recursionIdentityMap.get(recursionIdentity);
+                    if (!recursionToken) {
+                        recursionToken = recursionIdentityMap.size;
+                        recursionIdentityMap.set(recursionIdentity, recursionToken);
+                    }
+                }
+                var descriptor = __assign(__assign(__assign(__assign(__assign(__assign(__assign({ id: type.id, intrinsicName: type.intrinsicName, symbolName: (symbol === null || symbol === void 0 ? void 0 : symbol.escapedName) && ts.unescapeLeadingUnderscores(symbol.escapedName), recursionId: recursionToken, isTuple: objectFlags & 8 /* ObjectFlags.Tuple */ ? true : undefined, unionTypes: (type.flags & 1048576 /* TypeFlags.Union */) ? (_u = type.types) === null || _u === void 0 ? void 0 : _u.map(function (t) { return t.id; }) : undefined, intersectionTypes: (type.flags & 2097152 /* TypeFlags.Intersection */) ? type.types.map(function (t) { return t.id; }) : undefined, aliasTypeArguments: (_v = type.aliasTypeArguments) === null || _v === void 0 ? void 0 : _v.map(function (t) { return t.id; }), keyofType: (type.flags & 4194304 /* TypeFlags.Index */) ? (_w = type.type) === null || _w === void 0 ? void 0 : _w.id : undefined }, indexedAccessProperties), referenceProperties), conditionalProperties), substitutionProperties), reverseMappedProperties), evolvingArrayProperties), { destructuringPattern: getLocation(type.pattern), firstDeclaration: getLocation((_x = symbol === null || symbol === void 0 ? void 0 : symbol.declarations) === null || _x === void 0 ? void 0 : _x[0]), flags: ts.Debug.formatTypeFlags(type.flags).split("|"), display: display });
+                fs.writeSync(typesFd, JSON.stringify(descriptor));
+                if (i < numTypes - 1) {
+                    fs.writeSync(typesFd, ",\n");
+                }
+            }
+            fs.writeSync(typesFd, "]\n");
+            fs.closeSync(typesFd);
+            ts.performance.mark("endDumpTypes");
+            ts.performance.measure("Dump types", "beginDumpTypes", "endDumpTypes");
+        }
+        function dumpLegend() {
+            if (!legendPath) {
+                return;
+            }
+            fs.writeFileSync(legendPath, JSON.stringify(legend));
+        }
+        tracingEnabled.dumpLegend = dumpLegend;
+    })(tracingEnabled || (tracingEnabled = {}));
+    // define after tracingEnabled is initialized
+    ts.startTracing = tracingEnabled.startTracing;
+    ts.dumpTracingLegend = tracingEnabled.dumpLegend;
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    // token > SyntaxKind.Identifier => token is a keyword
+    // Also, If you add a new SyntaxKind be sure to keep the `Markers` section at the bottom in sync
+    var SyntaxKind;
+    (function (SyntaxKind) {
+        SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown";
+        SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken";
+        SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia";
+        SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia";
+        SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia";
+        SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia";
+        // We detect and preserve #! on the first line
+        SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia";
+        // We detect and provide better error recovery when we encounter a git merge marker.  This
+        // allows us to edit files with git-conflict markers in them in a much more pleasant manner.
+        SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia";
+        // Literals
+        SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral";
+        SyntaxKind[SyntaxKind["BigIntLiteral"] = 9] = "BigIntLiteral";
+        SyntaxKind[SyntaxKind["StringLiteral"] = 10] = "StringLiteral";
+        SyntaxKind[SyntaxKind["JsxText"] = 11] = "JsxText";
+        SyntaxKind[SyntaxKind["JsxTextAllWhiteSpaces"] = 12] = "JsxTextAllWhiteSpaces";
+        SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 13] = "RegularExpressionLiteral";
+        SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 14] = "NoSubstitutionTemplateLiteral";
+        // Pseudo-literals
+        SyntaxKind[SyntaxKind["TemplateHead"] = 15] = "TemplateHead";
+        SyntaxKind[SyntaxKind["TemplateMiddle"] = 16] = "TemplateMiddle";
+        SyntaxKind[SyntaxKind["TemplateTail"] = 17] = "TemplateTail";
+        // Punctuation
+        SyntaxKind[SyntaxKind["OpenBraceToken"] = 18] = "OpenBraceToken";
+        SyntaxKind[SyntaxKind["CloseBraceToken"] = 19] = "CloseBraceToken";
+        SyntaxKind[SyntaxKind["OpenParenToken"] = 20] = "OpenParenToken";
+        SyntaxKind[SyntaxKind["CloseParenToken"] = 21] = "CloseParenToken";
+        SyntaxKind[SyntaxKind["OpenBracketToken"] = 22] = "OpenBracketToken";
+        SyntaxKind[SyntaxKind["CloseBracketToken"] = 23] = "CloseBracketToken";
+        SyntaxKind[SyntaxKind["DotToken"] = 24] = "DotToken";
+        SyntaxKind[SyntaxKind["DotDotDotToken"] = 25] = "DotDotDotToken";
+        SyntaxKind[SyntaxKind["SemicolonToken"] = 26] = "SemicolonToken";
+        SyntaxKind[SyntaxKind["CommaToken"] = 27] = "CommaToken";
+        SyntaxKind[SyntaxKind["QuestionDotToken"] = 28] = "QuestionDotToken";
+        SyntaxKind[SyntaxKind["LessThanToken"] = 29] = "LessThanToken";
+        SyntaxKind[SyntaxKind["LessThanSlashToken"] = 30] = "LessThanSlashToken";
+        SyntaxKind[SyntaxKind["GreaterThanToken"] = 31] = "GreaterThanToken";
+        SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 32] = "LessThanEqualsToken";
+        SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 33] = "GreaterThanEqualsToken";
+        SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 34] = "EqualsEqualsToken";
+        SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 35] = "ExclamationEqualsToken";
+        SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 36] = "EqualsEqualsEqualsToken";
+        SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 37] = "ExclamationEqualsEqualsToken";
+        SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 38] = "EqualsGreaterThanToken";
+        SyntaxKind[SyntaxKind["PlusToken"] = 39] = "PlusToken";
+        SyntaxKind[SyntaxKind["MinusToken"] = 40] = "MinusToken";
+        SyntaxKind[SyntaxKind["AsteriskToken"] = 41] = "AsteriskToken";
+        SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 42] = "AsteriskAsteriskToken";
+        SyntaxKind[SyntaxKind["SlashToken"] = 43] = "SlashToken";
+        SyntaxKind[SyntaxKind["PercentToken"] = 44] = "PercentToken";
+        SyntaxKind[SyntaxKind["PlusPlusToken"] = 45] = "PlusPlusToken";
+        SyntaxKind[SyntaxKind["MinusMinusToken"] = 46] = "MinusMinusToken";
+        SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 47] = "LessThanLessThanToken";
+        SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 48] = "GreaterThanGreaterThanToken";
+        SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 49] = "GreaterThanGreaterThanGreaterThanToken";
+        SyntaxKind[SyntaxKind["AmpersandToken"] = 50] = "AmpersandToken";
+        SyntaxKind[SyntaxKind["BarToken"] = 51] = "BarToken";
+        SyntaxKind[SyntaxKind["CaretToken"] = 52] = "CaretToken";
+        SyntaxKind[SyntaxKind["ExclamationToken"] = 53] = "ExclamationToken";
+        SyntaxKind[SyntaxKind["TildeToken"] = 54] = "TildeToken";
+        SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 55] = "AmpersandAmpersandToken";
+        SyntaxKind[SyntaxKind["BarBarToken"] = 56] = "BarBarToken";
+        SyntaxKind[SyntaxKind["QuestionToken"] = 57] = "QuestionToken";
+        SyntaxKind[SyntaxKind["ColonToken"] = 58] = "ColonToken";
+        SyntaxKind[SyntaxKind["AtToken"] = 59] = "AtToken";
+        SyntaxKind[SyntaxKind["QuestionQuestionToken"] = 60] = "QuestionQuestionToken";
+        /** Only the JSDoc scanner produces BacktickToken. The normal scanner produces NoSubstitutionTemplateLiteral and related kinds. */
+        SyntaxKind[SyntaxKind["BacktickToken"] = 61] = "BacktickToken";
+        /** Only the JSDoc scanner produces HashToken. The normal scanner produces PrivateIdentifier. */
+        SyntaxKind[SyntaxKind["HashToken"] = 62] = "HashToken";
+        // Assignments
+        SyntaxKind[SyntaxKind["EqualsToken"] = 63] = "EqualsToken";
+        SyntaxKind[SyntaxKind["PlusEqualsToken"] = 64] = "PlusEqualsToken";
+        SyntaxKind[SyntaxKind["MinusEqualsToken"] = 65] = "MinusEqualsToken";
+        SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 66] = "AsteriskEqualsToken";
+        SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 67] = "AsteriskAsteriskEqualsToken";
+        SyntaxKind[SyntaxKind["SlashEqualsToken"] = 68] = "SlashEqualsToken";
+        SyntaxKind[SyntaxKind["PercentEqualsToken"] = 69] = "PercentEqualsToken";
+        SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 70] = "LessThanLessThanEqualsToken";
+        SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 71] = "GreaterThanGreaterThanEqualsToken";
+        SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 72] = "GreaterThanGreaterThanGreaterThanEqualsToken";
+        SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 73] = "AmpersandEqualsToken";
+        SyntaxKind[SyntaxKind["BarEqualsToken"] = 74] = "BarEqualsToken";
+        SyntaxKind[SyntaxKind["BarBarEqualsToken"] = 75] = "BarBarEqualsToken";
+        SyntaxKind[SyntaxKind["AmpersandAmpersandEqualsToken"] = 76] = "AmpersandAmpersandEqualsToken";
+        SyntaxKind[SyntaxKind["QuestionQuestionEqualsToken"] = 77] = "QuestionQuestionEqualsToken";
+        SyntaxKind[SyntaxKind["CaretEqualsToken"] = 78] = "CaretEqualsToken";
+        // Identifiers and PrivateIdentifiers
+        SyntaxKind[SyntaxKind["Identifier"] = 79] = "Identifier";
+        SyntaxKind[SyntaxKind["PrivateIdentifier"] = 80] = "PrivateIdentifier";
+        // Reserved words
+        SyntaxKind[SyntaxKind["BreakKeyword"] = 81] = "BreakKeyword";
+        SyntaxKind[SyntaxKind["CaseKeyword"] = 82] = "CaseKeyword";
+        SyntaxKind[SyntaxKind["CatchKeyword"] = 83] = "CatchKeyword";
+        SyntaxKind[SyntaxKind["ClassKeyword"] = 84] = "ClassKeyword";
+        SyntaxKind[SyntaxKind["ConstKeyword"] = 85] = "ConstKeyword";
+        SyntaxKind[SyntaxKind["ContinueKeyword"] = 86] = "ContinueKeyword";
+        SyntaxKind[SyntaxKind["DebuggerKeyword"] = 87] = "DebuggerKeyword";
+        SyntaxKind[SyntaxKind["DefaultKeyword"] = 88] = "DefaultKeyword";
+        SyntaxKind[SyntaxKind["DeleteKeyword"] = 89] = "DeleteKeyword";
+        SyntaxKind[SyntaxKind["DoKeyword"] = 90] = "DoKeyword";
+        SyntaxKind[SyntaxKind["ElseKeyword"] = 91] = "ElseKeyword";
+        SyntaxKind[SyntaxKind["EnumKeyword"] = 92] = "EnumKeyword";
+        SyntaxKind[SyntaxKind["ExportKeyword"] = 93] = "ExportKeyword";
+        SyntaxKind[SyntaxKind["ExtendsKeyword"] = 94] = "ExtendsKeyword";
+        SyntaxKind[SyntaxKind["FalseKeyword"] = 95] = "FalseKeyword";
+        SyntaxKind[SyntaxKind["FinallyKeyword"] = 96] = "FinallyKeyword";
+        SyntaxKind[SyntaxKind["ForKeyword"] = 97] = "ForKeyword";
+        SyntaxKind[SyntaxKind["FunctionKeyword"] = 98] = "FunctionKeyword";
+        SyntaxKind[SyntaxKind["IfKeyword"] = 99] = "IfKeyword";
+        SyntaxKind[SyntaxKind["ImportKeyword"] = 100] = "ImportKeyword";
+        SyntaxKind[SyntaxKind["InKeyword"] = 101] = "InKeyword";
+        SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 102] = "InstanceOfKeyword";
+        SyntaxKind[SyntaxKind["NewKeyword"] = 103] = "NewKeyword";
+        SyntaxKind[SyntaxKind["NullKeyword"] = 104] = "NullKeyword";
+        SyntaxKind[SyntaxKind["ReturnKeyword"] = 105] = "ReturnKeyword";
+        SyntaxKind[SyntaxKind["SuperKeyword"] = 106] = "SuperKeyword";
+        SyntaxKind[SyntaxKind["SwitchKeyword"] = 107] = "SwitchKeyword";
+        SyntaxKind[SyntaxKind["ThisKeyword"] = 108] = "ThisKeyword";
+        SyntaxKind[SyntaxKind["ThrowKeyword"] = 109] = "ThrowKeyword";
+        SyntaxKind[SyntaxKind["TrueKeyword"] = 110] = "TrueKeyword";
+        SyntaxKind[SyntaxKind["TryKeyword"] = 111] = "TryKeyword";
+        SyntaxKind[SyntaxKind["TypeOfKeyword"] = 112] = "TypeOfKeyword";
+        SyntaxKind[SyntaxKind["VarKeyword"] = 113] = "VarKeyword";
+        SyntaxKind[SyntaxKind["VoidKeyword"] = 114] = "VoidKeyword";
+        SyntaxKind[SyntaxKind["WhileKeyword"] = 115] = "WhileKeyword";
+        SyntaxKind[SyntaxKind["WithKeyword"] = 116] = "WithKeyword";
+        // Strict mode reserved words
+        SyntaxKind[SyntaxKind["ImplementsKeyword"] = 117] = "ImplementsKeyword";
+        SyntaxKind[SyntaxKind["InterfaceKeyword"] = 118] = "InterfaceKeyword";
+        SyntaxKind[SyntaxKind["LetKeyword"] = 119] = "LetKeyword";
+        SyntaxKind[SyntaxKind["PackageKeyword"] = 120] = "PackageKeyword";
+        SyntaxKind[SyntaxKind["PrivateKeyword"] = 121] = "PrivateKeyword";
+        SyntaxKind[SyntaxKind["ProtectedKeyword"] = 122] = "ProtectedKeyword";
+        SyntaxKind[SyntaxKind["PublicKeyword"] = 123] = "PublicKeyword";
+        SyntaxKind[SyntaxKind["StaticKeyword"] = 124] = "StaticKeyword";
+        SyntaxKind[SyntaxKind["YieldKeyword"] = 125] = "YieldKeyword";
+        // Contextual keywords
+        SyntaxKind[SyntaxKind["AbstractKeyword"] = 126] = "AbstractKeyword";
+        SyntaxKind[SyntaxKind["AsKeyword"] = 127] = "AsKeyword";
+        SyntaxKind[SyntaxKind["AssertsKeyword"] = 128] = "AssertsKeyword";
+        SyntaxKind[SyntaxKind["AssertKeyword"] = 129] = "AssertKeyword";
+        SyntaxKind[SyntaxKind["AnyKeyword"] = 130] = "AnyKeyword";
+        SyntaxKind[SyntaxKind["AsyncKeyword"] = 131] = "AsyncKeyword";
+        SyntaxKind[SyntaxKind["AwaitKeyword"] = 132] = "AwaitKeyword";
+        SyntaxKind[SyntaxKind["BooleanKeyword"] = 133] = "BooleanKeyword";
+        SyntaxKind[SyntaxKind["ConstructorKeyword"] = 134] = "ConstructorKeyword";
+        SyntaxKind[SyntaxKind["DeclareKeyword"] = 135] = "DeclareKeyword";
+        SyntaxKind[SyntaxKind["GetKeyword"] = 136] = "GetKeyword";
+        SyntaxKind[SyntaxKind["InferKeyword"] = 137] = "InferKeyword";
+        SyntaxKind[SyntaxKind["IntrinsicKeyword"] = 138] = "IntrinsicKeyword";
+        SyntaxKind[SyntaxKind["IsKeyword"] = 139] = "IsKeyword";
+        SyntaxKind[SyntaxKind["KeyOfKeyword"] = 140] = "KeyOfKeyword";
+        SyntaxKind[SyntaxKind["ModuleKeyword"] = 141] = "ModuleKeyword";
+        SyntaxKind[SyntaxKind["NamespaceKeyword"] = 142] = "NamespaceKeyword";
+        SyntaxKind[SyntaxKind["NeverKeyword"] = 143] = "NeverKeyword";
+        SyntaxKind[SyntaxKind["OutKeyword"] = 144] = "OutKeyword";
+        SyntaxKind[SyntaxKind["ReadonlyKeyword"] = 145] = "ReadonlyKeyword";
+        SyntaxKind[SyntaxKind["RequireKeyword"] = 146] = "RequireKeyword";
+        SyntaxKind[SyntaxKind["NumberKeyword"] = 147] = "NumberKeyword";
+        SyntaxKind[SyntaxKind["ObjectKeyword"] = 148] = "ObjectKeyword";
+        SyntaxKind[SyntaxKind["SetKeyword"] = 149] = "SetKeyword";
+        SyntaxKind[SyntaxKind["StringKeyword"] = 150] = "StringKeyword";
+        SyntaxKind[SyntaxKind["SymbolKeyword"] = 151] = "SymbolKeyword";
+        SyntaxKind[SyntaxKind["TypeKeyword"] = 152] = "TypeKeyword";
+        SyntaxKind[SyntaxKind["UndefinedKeyword"] = 153] = "UndefinedKeyword";
+        SyntaxKind[SyntaxKind["UniqueKeyword"] = 154] = "UniqueKeyword";
+        SyntaxKind[SyntaxKind["UnknownKeyword"] = 155] = "UnknownKeyword";
+        SyntaxKind[SyntaxKind["FromKeyword"] = 156] = "FromKeyword";
+        SyntaxKind[SyntaxKind["GlobalKeyword"] = 157] = "GlobalKeyword";
+        SyntaxKind[SyntaxKind["BigIntKeyword"] = 158] = "BigIntKeyword";
+        SyntaxKind[SyntaxKind["OverrideKeyword"] = 159] = "OverrideKeyword";
+        SyntaxKind[SyntaxKind["OfKeyword"] = 160] = "OfKeyword";
+        // Parse tree nodes
+        // Names
+        SyntaxKind[SyntaxKind["QualifiedName"] = 161] = "QualifiedName";
+        SyntaxKind[SyntaxKind["ComputedPropertyName"] = 162] = "ComputedPropertyName";
+        // Signature elements
+        SyntaxKind[SyntaxKind["TypeParameter"] = 163] = "TypeParameter";
+        SyntaxKind[SyntaxKind["Parameter"] = 164] = "Parameter";
+        SyntaxKind[SyntaxKind["Decorator"] = 165] = "Decorator";
+        // TypeMember
+        SyntaxKind[SyntaxKind["PropertySignature"] = 166] = "PropertySignature";
+        SyntaxKind[SyntaxKind["PropertyDeclaration"] = 167] = "PropertyDeclaration";
+        SyntaxKind[SyntaxKind["MethodSignature"] = 168] = "MethodSignature";
+        SyntaxKind[SyntaxKind["MethodDeclaration"] = 169] = "MethodDeclaration";
+        SyntaxKind[SyntaxKind["ClassStaticBlockDeclaration"] = 170] = "ClassStaticBlockDeclaration";
+        SyntaxKind[SyntaxKind["Constructor"] = 171] = "Constructor";
+        SyntaxKind[SyntaxKind["GetAccessor"] = 172] = "GetAccessor";
+        SyntaxKind[SyntaxKind["SetAccessor"] = 173] = "SetAccessor";
+        SyntaxKind[SyntaxKind["CallSignature"] = 174] = "CallSignature";
+        SyntaxKind[SyntaxKind["ConstructSignature"] = 175] = "ConstructSignature";
+        SyntaxKind[SyntaxKind["IndexSignature"] = 176] = "IndexSignature";
+        // Type
+        SyntaxKind[SyntaxKind["TypePredicate"] = 177] = "TypePredicate";
+        SyntaxKind[SyntaxKind["TypeReference"] = 178] = "TypeReference";
+        SyntaxKind[SyntaxKind["FunctionType"] = 179] = "FunctionType";
+        SyntaxKind[SyntaxKind["ConstructorType"] = 180] = "ConstructorType";
+        SyntaxKind[SyntaxKind["TypeQuery"] = 181] = "TypeQuery";
+        SyntaxKind[SyntaxKind["TypeLiteral"] = 182] = "TypeLiteral";
+        SyntaxKind[SyntaxKind["ArrayType"] = 183] = "ArrayType";
+        SyntaxKind[SyntaxKind["TupleType"] = 184] = "TupleType";
+        SyntaxKind[SyntaxKind["OptionalType"] = 185] = "OptionalType";
+        SyntaxKind[SyntaxKind["RestType"] = 186] = "RestType";
+        SyntaxKind[SyntaxKind["UnionType"] = 187] = "UnionType";
+        SyntaxKind[SyntaxKind["IntersectionType"] = 188] = "IntersectionType";
+        SyntaxKind[SyntaxKind["ConditionalType"] = 189] = "ConditionalType";
+        SyntaxKind[SyntaxKind["InferType"] = 190] = "InferType";
+        SyntaxKind[SyntaxKind["ParenthesizedType"] = 191] = "ParenthesizedType";
+        SyntaxKind[SyntaxKind["ThisType"] = 192] = "ThisType";
+        SyntaxKind[SyntaxKind["TypeOperator"] = 193] = "TypeOperator";
+        SyntaxKind[SyntaxKind["IndexedAccessType"] = 194] = "IndexedAccessType";
+        SyntaxKind[SyntaxKind["MappedType"] = 195] = "MappedType";
+        SyntaxKind[SyntaxKind["LiteralType"] = 196] = "LiteralType";
+        SyntaxKind[SyntaxKind["NamedTupleMember"] = 197] = "NamedTupleMember";
+        SyntaxKind[SyntaxKind["TemplateLiteralType"] = 198] = "TemplateLiteralType";
+        SyntaxKind[SyntaxKind["TemplateLiteralTypeSpan"] = 199] = "TemplateLiteralTypeSpan";
+        SyntaxKind[SyntaxKind["ImportType"] = 200] = "ImportType";
+        // Binding patterns
+        SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 201] = "ObjectBindingPattern";
+        SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 202] = "ArrayBindingPattern";
+        SyntaxKind[SyntaxKind["BindingElement"] = 203] = "BindingElement";
+        // Expression
+        SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 204] = "ArrayLiteralExpression";
+        SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 205] = "ObjectLiteralExpression";
+        SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 206] = "PropertyAccessExpression";
+        SyntaxKind[SyntaxKind["ElementAccessExpression"] = 207] = "ElementAccessExpression";
+        SyntaxKind[SyntaxKind["CallExpression"] = 208] = "CallExpression";
+        SyntaxKind[SyntaxKind["NewExpression"] = 209] = "NewExpression";
+        SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 210] = "TaggedTemplateExpression";
+        SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 211] = "TypeAssertionExpression";
+        SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 212] = "ParenthesizedExpression";
+        SyntaxKind[SyntaxKind["FunctionExpression"] = 213] = "FunctionExpression";
+        SyntaxKind[SyntaxKind["ArrowFunction"] = 214] = "ArrowFunction";
+        SyntaxKind[SyntaxKind["DeleteExpression"] = 215] = "DeleteExpression";
+        SyntaxKind[SyntaxKind["TypeOfExpression"] = 216] = "TypeOfExpression";
+        SyntaxKind[SyntaxKind["VoidExpression"] = 217] = "VoidExpression";
+        SyntaxKind[SyntaxKind["AwaitExpression"] = 218] = "AwaitExpression";
+        SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 219] = "PrefixUnaryExpression";
+        SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 220] = "PostfixUnaryExpression";
+        SyntaxKind[SyntaxKind["BinaryExpression"] = 221] = "BinaryExpression";
+        SyntaxKind[SyntaxKind["ConditionalExpression"] = 222] = "ConditionalExpression";
+        SyntaxKind[SyntaxKind["TemplateExpression"] = 223] = "TemplateExpression";
+        SyntaxKind[SyntaxKind["YieldExpression"] = 224] = "YieldExpression";
+        SyntaxKind[SyntaxKind["SpreadElement"] = 225] = "SpreadElement";
+        SyntaxKind[SyntaxKind["ClassExpression"] = 226] = "ClassExpression";
+        SyntaxKind[SyntaxKind["OmittedExpression"] = 227] = "OmittedExpression";
+        SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 228] = "ExpressionWithTypeArguments";
+        SyntaxKind[SyntaxKind["AsExpression"] = 229] = "AsExpression";
+        SyntaxKind[SyntaxKind["NonNullExpression"] = 230] = "NonNullExpression";
+        SyntaxKind[SyntaxKind["MetaProperty"] = 231] = "MetaProperty";
+        SyntaxKind[SyntaxKind["SyntheticExpression"] = 232] = "SyntheticExpression";
+        // Misc
+        SyntaxKind[SyntaxKind["TemplateSpan"] = 233] = "TemplateSpan";
+        SyntaxKind[SyntaxKind["SemicolonClassElement"] = 234] = "SemicolonClassElement";
+        // Element
+        SyntaxKind[SyntaxKind["Block"] = 235] = "Block";
+        SyntaxKind[SyntaxKind["EmptyStatement"] = 236] = "EmptyStatement";
+        SyntaxKind[SyntaxKind["VariableStatement"] = 237] = "VariableStatement";
+        SyntaxKind[SyntaxKind["ExpressionStatement"] = 238] = "ExpressionStatement";
+        SyntaxKind[SyntaxKind["IfStatement"] = 239] = "IfStatement";
+        SyntaxKind[SyntaxKind["DoStatement"] = 240] = "DoStatement";
+        SyntaxKind[SyntaxKind["WhileStatement"] = 241] = "WhileStatement";
+        SyntaxKind[SyntaxKind["ForStatement"] = 242] = "ForStatement";
+        SyntaxKind[SyntaxKind["ForInStatement"] = 243] = "ForInStatement";
+        SyntaxKind[SyntaxKind["ForOfStatement"] = 244] = "ForOfStatement";
+        SyntaxKind[SyntaxKind["ContinueStatement"] = 245] = "ContinueStatement";
+        SyntaxKind[SyntaxKind["BreakStatement"] = 246] = "BreakStatement";
+        SyntaxKind[SyntaxKind["ReturnStatement"] = 247] = "ReturnStatement";
+        SyntaxKind[SyntaxKind["WithStatement"] = 248] = "WithStatement";
+        SyntaxKind[SyntaxKind["SwitchStatement"] = 249] = "SwitchStatement";
+        SyntaxKind[SyntaxKind["LabeledStatement"] = 250] = "LabeledStatement";
+        SyntaxKind[SyntaxKind["ThrowStatement"] = 251] = "ThrowStatement";
+        SyntaxKind[SyntaxKind["TryStatement"] = 252] = "TryStatement";
+        SyntaxKind[SyntaxKind["DebuggerStatement"] = 253] = "DebuggerStatement";
+        SyntaxKind[SyntaxKind["VariableDeclaration"] = 254] = "VariableDeclaration";
+        SyntaxKind[SyntaxKind["VariableDeclarationList"] = 255] = "VariableDeclarationList";
+        SyntaxKind[SyntaxKind["FunctionDeclaration"] = 256] = "FunctionDeclaration";
+        SyntaxKind[SyntaxKind["ClassDeclaration"] = 257] = "ClassDeclaration";
+        SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 258] = "InterfaceDeclaration";
+        SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 259] = "TypeAliasDeclaration";
+        SyntaxKind[SyntaxKind["EnumDeclaration"] = 260] = "EnumDeclaration";
+        SyntaxKind[SyntaxKind["ModuleDeclaration"] = 261] = "ModuleDeclaration";
+        SyntaxKind[SyntaxKind["ModuleBlock"] = 262] = "ModuleBlock";
+        SyntaxKind[SyntaxKind["CaseBlock"] = 263] = "CaseBlock";
+        SyntaxKind[SyntaxKind["NamespaceExportDeclaration"] = 264] = "NamespaceExportDeclaration";
+        SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 265] = "ImportEqualsDeclaration";
+        SyntaxKind[SyntaxKind["ImportDeclaration"] = 266] = "ImportDeclaration";
+        SyntaxKind[SyntaxKind["ImportClause"] = 267] = "ImportClause";
+        SyntaxKind[SyntaxKind["NamespaceImport"] = 268] = "NamespaceImport";
+        SyntaxKind[SyntaxKind["NamedImports"] = 269] = "NamedImports";
+        SyntaxKind[SyntaxKind["ImportSpecifier"] = 270] = "ImportSpecifier";
+        SyntaxKind[SyntaxKind["ExportAssignment"] = 271] = "ExportAssignment";
+        SyntaxKind[SyntaxKind["ExportDeclaration"] = 272] = "ExportDeclaration";
+        SyntaxKind[SyntaxKind["NamedExports"] = 273] = "NamedExports";
+        SyntaxKind[SyntaxKind["NamespaceExport"] = 274] = "NamespaceExport";
+        SyntaxKind[SyntaxKind["ExportSpecifier"] = 275] = "ExportSpecifier";
+        SyntaxKind[SyntaxKind["MissingDeclaration"] = 276] = "MissingDeclaration";
+        // Module references
+        SyntaxKind[SyntaxKind["ExternalModuleReference"] = 277] = "ExternalModuleReference";
+        // JSX
+        SyntaxKind[SyntaxKind["JsxElement"] = 278] = "JsxElement";
+        SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 279] = "JsxSelfClosingElement";
+        SyntaxKind[SyntaxKind["JsxOpeningElement"] = 280] = "JsxOpeningElement";
+        SyntaxKind[SyntaxKind["JsxClosingElement"] = 281] = "JsxClosingElement";
+        SyntaxKind[SyntaxKind["JsxFragment"] = 282] = "JsxFragment";
+        SyntaxKind[SyntaxKind["JsxOpeningFragment"] = 283] = "JsxOpeningFragment";
+        SyntaxKind[SyntaxKind["JsxClosingFragment"] = 284] = "JsxClosingFragment";
+        SyntaxKind[SyntaxKind["JsxAttribute"] = 285] = "JsxAttribute";
+        SyntaxKind[SyntaxKind["JsxAttributes"] = 286] = "JsxAttributes";
+        SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 287] = "JsxSpreadAttribute";
+        SyntaxKind[SyntaxKind["JsxExpression"] = 288] = "JsxExpression";
+        // Clauses
+        SyntaxKind[SyntaxKind["CaseClause"] = 289] = "CaseClause";
+        SyntaxKind[SyntaxKind["DefaultClause"] = 290] = "DefaultClause";
+        SyntaxKind[SyntaxKind["HeritageClause"] = 291] = "HeritageClause";
+        SyntaxKind[SyntaxKind["CatchClause"] = 292] = "CatchClause";
+        SyntaxKind[SyntaxKind["AssertClause"] = 293] = "AssertClause";
+        SyntaxKind[SyntaxKind["AssertEntry"] = 294] = "AssertEntry";
+        SyntaxKind[SyntaxKind["ImportTypeAssertionContainer"] = 295] = "ImportTypeAssertionContainer";
+        // Property assignments
+        SyntaxKind[SyntaxKind["PropertyAssignment"] = 296] = "PropertyAssignment";
+        SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 297] = "ShorthandPropertyAssignment";
+        SyntaxKind[SyntaxKind["SpreadAssignment"] = 298] = "SpreadAssignment";
+        // Enum
+        SyntaxKind[SyntaxKind["EnumMember"] = 299] = "EnumMember";
+        // Unparsed
+        SyntaxKind[SyntaxKind["UnparsedPrologue"] = 300] = "UnparsedPrologue";
+        SyntaxKind[SyntaxKind["UnparsedPrepend"] = 301] = "UnparsedPrepend";
+        SyntaxKind[SyntaxKind["UnparsedText"] = 302] = "UnparsedText";
+        SyntaxKind[SyntaxKind["UnparsedInternalText"] = 303] = "UnparsedInternalText";
+        SyntaxKind[SyntaxKind["UnparsedSyntheticReference"] = 304] = "UnparsedSyntheticReference";
+        // Top-level nodes
+        SyntaxKind[SyntaxKind["SourceFile"] = 305] = "SourceFile";
+        SyntaxKind[SyntaxKind["Bundle"] = 306] = "Bundle";
+        SyntaxKind[SyntaxKind["UnparsedSource"] = 307] = "UnparsedSource";
+        SyntaxKind[SyntaxKind["InputFiles"] = 308] = "InputFiles";
+        // JSDoc nodes
+        SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 309] = "JSDocTypeExpression";
+        SyntaxKind[SyntaxKind["JSDocNameReference"] = 310] = "JSDocNameReference";
+        SyntaxKind[SyntaxKind["JSDocMemberName"] = 311] = "JSDocMemberName";
+        SyntaxKind[SyntaxKind["JSDocAllType"] = 312] = "JSDocAllType";
+        SyntaxKind[SyntaxKind["JSDocUnknownType"] = 313] = "JSDocUnknownType";
+        SyntaxKind[SyntaxKind["JSDocNullableType"] = 314] = "JSDocNullableType";
+        SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 315] = "JSDocNonNullableType";
+        SyntaxKind[SyntaxKind["JSDocOptionalType"] = 316] = "JSDocOptionalType";
+        SyntaxKind[SyntaxKind["JSDocFunctionType"] = 317] = "JSDocFunctionType";
+        SyntaxKind[SyntaxKind["JSDocVariadicType"] = 318] = "JSDocVariadicType";
+        SyntaxKind[SyntaxKind["JSDocNamepathType"] = 319] = "JSDocNamepathType";
+        /** @deprecated Use SyntaxKind.JSDoc */
+        SyntaxKind[SyntaxKind["JSDocComment"] = 320] = "JSDocComment";
+        SyntaxKind[SyntaxKind["JSDocText"] = 321] = "JSDocText";
+        SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 322] = "JSDocTypeLiteral";
+        SyntaxKind[SyntaxKind["JSDocSignature"] = 323] = "JSDocSignature";
+        SyntaxKind[SyntaxKind["JSDocLink"] = 324] = "JSDocLink";
+        SyntaxKind[SyntaxKind["JSDocLinkCode"] = 325] = "JSDocLinkCode";
+        SyntaxKind[SyntaxKind["JSDocLinkPlain"] = 326] = "JSDocLinkPlain";
+        SyntaxKind[SyntaxKind["JSDocTag"] = 327] = "JSDocTag";
+        SyntaxKind[SyntaxKind["JSDocAugmentsTag"] = 328] = "JSDocAugmentsTag";
+        SyntaxKind[SyntaxKind["JSDocImplementsTag"] = 329] = "JSDocImplementsTag";
+        SyntaxKind[SyntaxKind["JSDocAuthorTag"] = 330] = "JSDocAuthorTag";
+        SyntaxKind[SyntaxKind["JSDocDeprecatedTag"] = 331] = "JSDocDeprecatedTag";
+        SyntaxKind[SyntaxKind["JSDocClassTag"] = 332] = "JSDocClassTag";
+        SyntaxKind[SyntaxKind["JSDocPublicTag"] = 333] = "JSDocPublicTag";
+        SyntaxKind[SyntaxKind["JSDocPrivateTag"] = 334] = "JSDocPrivateTag";
+        SyntaxKind[SyntaxKind["JSDocProtectedTag"] = 335] = "JSDocProtectedTag";
+        SyntaxKind[SyntaxKind["JSDocReadonlyTag"] = 336] = "JSDocReadonlyTag";
+        SyntaxKind[SyntaxKind["JSDocOverrideTag"] = 337] = "JSDocOverrideTag";
+        SyntaxKind[SyntaxKind["JSDocCallbackTag"] = 338] = "JSDocCallbackTag";
+        SyntaxKind[SyntaxKind["JSDocEnumTag"] = 339] = "JSDocEnumTag";
+        SyntaxKind[SyntaxKind["JSDocParameterTag"] = 340] = "JSDocParameterTag";
+        SyntaxKind[SyntaxKind["JSDocReturnTag"] = 341] = "JSDocReturnTag";
+        SyntaxKind[SyntaxKind["JSDocThisTag"] = 342] = "JSDocThisTag";
+        SyntaxKind[SyntaxKind["JSDocTypeTag"] = 343] = "JSDocTypeTag";
+        SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 344] = "JSDocTemplateTag";
+        SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 345] = "JSDocTypedefTag";
+        SyntaxKind[SyntaxKind["JSDocSeeTag"] = 346] = "JSDocSeeTag";
+        SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 347] = "JSDocPropertyTag";
+        // Synthesized list
+        SyntaxKind[SyntaxKind["SyntaxList"] = 348] = "SyntaxList";
+        // Transformation nodes
+        SyntaxKind[SyntaxKind["NotEmittedStatement"] = 349] = "NotEmittedStatement";
+        SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 350] = "PartiallyEmittedExpression";
+        SyntaxKind[SyntaxKind["CommaListExpression"] = 351] = "CommaListExpression";
+        SyntaxKind[SyntaxKind["MergeDeclarationMarker"] = 352] = "MergeDeclarationMarker";
+        SyntaxKind[SyntaxKind["EndOfDeclarationMarker"] = 353] = "EndOfDeclarationMarker";
+        SyntaxKind[SyntaxKind["SyntheticReferenceExpression"] = 354] = "SyntheticReferenceExpression";
+        // Enum value count
+        SyntaxKind[SyntaxKind["Count"] = 355] = "Count";
+        // Markers
+        SyntaxKind[SyntaxKind["FirstAssignment"] = 63] = "FirstAssignment";
+        SyntaxKind[SyntaxKind["LastAssignment"] = 78] = "LastAssignment";
+        SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 64] = "FirstCompoundAssignment";
+        SyntaxKind[SyntaxKind["LastCompoundAssignment"] = 78] = "LastCompoundAssignment";
+        SyntaxKind[SyntaxKind["FirstReservedWord"] = 81] = "FirstReservedWord";
+        SyntaxKind[SyntaxKind["LastReservedWord"] = 116] = "LastReservedWord";
+        SyntaxKind[SyntaxKind["FirstKeyword"] = 81] = "FirstKeyword";
+        SyntaxKind[SyntaxKind["LastKeyword"] = 160] = "LastKeyword";
+        SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 117] = "FirstFutureReservedWord";
+        SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 125] = "LastFutureReservedWord";
+        SyntaxKind[SyntaxKind["FirstTypeNode"] = 177] = "FirstTypeNode";
+        SyntaxKind[SyntaxKind["LastTypeNode"] = 200] = "LastTypeNode";
+        SyntaxKind[SyntaxKind["FirstPunctuation"] = 18] = "FirstPunctuation";
+        SyntaxKind[SyntaxKind["LastPunctuation"] = 78] = "LastPunctuation";
+        SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken";
+        SyntaxKind[SyntaxKind["LastToken"] = 160] = "LastToken";
+        SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken";
+        SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken";
+        SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken";
+        SyntaxKind[SyntaxKind["LastLiteralToken"] = 14] = "LastLiteralToken";
+        SyntaxKind[SyntaxKind["FirstTemplateToken"] = 14] = "FirstTemplateToken";
+        SyntaxKind[SyntaxKind["LastTemplateToken"] = 17] = "LastTemplateToken";
+        SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 29] = "FirstBinaryOperator";
+        SyntaxKind[SyntaxKind["LastBinaryOperator"] = 78] = "LastBinaryOperator";
+        SyntaxKind[SyntaxKind["FirstStatement"] = 237] = "FirstStatement";
+        SyntaxKind[SyntaxKind["LastStatement"] = 253] = "LastStatement";
+        SyntaxKind[SyntaxKind["FirstNode"] = 161] = "FirstNode";
+        SyntaxKind[SyntaxKind["FirstJSDocNode"] = 309] = "FirstJSDocNode";
+        SyntaxKind[SyntaxKind["LastJSDocNode"] = 347] = "LastJSDocNode";
+        SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 327] = "FirstJSDocTagNode";
+        SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 347] = "LastJSDocTagNode";
+        /* @internal */ SyntaxKind[SyntaxKind["FirstContextualKeyword"] = 126] = "FirstContextualKeyword";
+        /* @internal */ SyntaxKind[SyntaxKind["LastContextualKeyword"] = 160] = "LastContextualKeyword";
+        SyntaxKind[SyntaxKind["JSDoc"] = 320] = "JSDoc";
+    })(SyntaxKind = ts.SyntaxKind || (ts.SyntaxKind = {}));
+    var NodeFlags;
+    (function (NodeFlags) {
+        NodeFlags[NodeFlags["None"] = 0] = "None";
+        NodeFlags[NodeFlags["Let"] = 1] = "Let";
+        NodeFlags[NodeFlags["Const"] = 2] = "Const";
+        NodeFlags[NodeFlags["NestedNamespace"] = 4] = "NestedNamespace";
+        NodeFlags[NodeFlags["Synthesized"] = 8] = "Synthesized";
+        NodeFlags[NodeFlags["Namespace"] = 16] = "Namespace";
+        NodeFlags[NodeFlags["OptionalChain"] = 32] = "OptionalChain";
+        NodeFlags[NodeFlags["ExportContext"] = 64] = "ExportContext";
+        NodeFlags[NodeFlags["ContainsThis"] = 128] = "ContainsThis";
+        NodeFlags[NodeFlags["HasImplicitReturn"] = 256] = "HasImplicitReturn";
+        NodeFlags[NodeFlags["HasExplicitReturn"] = 512] = "HasExplicitReturn";
+        NodeFlags[NodeFlags["GlobalAugmentation"] = 1024] = "GlobalAugmentation";
+        NodeFlags[NodeFlags["HasAsyncFunctions"] = 2048] = "HasAsyncFunctions";
+        NodeFlags[NodeFlags["DisallowInContext"] = 4096] = "DisallowInContext";
+        NodeFlags[NodeFlags["YieldContext"] = 8192] = "YieldContext";
+        NodeFlags[NodeFlags["DecoratorContext"] = 16384] = "DecoratorContext";
+        NodeFlags[NodeFlags["AwaitContext"] = 32768] = "AwaitContext";
+        NodeFlags[NodeFlags["DisallowConditionalTypesContext"] = 65536] = "DisallowConditionalTypesContext";
+        NodeFlags[NodeFlags["ThisNodeHasError"] = 131072] = "ThisNodeHasError";
+        NodeFlags[NodeFlags["JavaScriptFile"] = 262144] = "JavaScriptFile";
+        NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 524288] = "ThisNodeOrAnySubNodesHasError";
+        NodeFlags[NodeFlags["HasAggregatedChildData"] = 1048576] = "HasAggregatedChildData";
+        // These flags will be set when the parser encounters a dynamic import expression or 'import.meta' to avoid
+        // walking the tree if the flags are not set. However, these flags are just a approximation
+        // (hence why it's named "PossiblyContainsDynamicImport") because once set, the flags never get cleared.
+        // During editing, if a dynamic import is removed, incremental parsing will *NOT* clear this flag.
+        // This means that the tree will always be traversed during module resolution, or when looking for external module indicators.
+        // However, the removal operation should not occur often and in the case of the
+        // removal, it is likely that users will add the import anyway.
+        // The advantage of this approach is its simplicity. For the case of batch compilation,
+        // we guarantee that users won't have to pay the price of walking the tree if a dynamic import isn't used.
+        /* @internal */ NodeFlags[NodeFlags["PossiblyContainsDynamicImport"] = 2097152] = "PossiblyContainsDynamicImport";
+        /* @internal */ NodeFlags[NodeFlags["PossiblyContainsImportMeta"] = 4194304] = "PossiblyContainsImportMeta";
+        NodeFlags[NodeFlags["JSDoc"] = 8388608] = "JSDoc";
+        /* @internal */ NodeFlags[NodeFlags["Ambient"] = 16777216] = "Ambient";
+        /* @internal */ NodeFlags[NodeFlags["InWithStatement"] = 33554432] = "InWithStatement";
+        NodeFlags[NodeFlags["JsonFile"] = 67108864] = "JsonFile";
+        /* @internal */ NodeFlags[NodeFlags["TypeCached"] = 134217728] = "TypeCached";
+        /* @internal */ NodeFlags[NodeFlags["Deprecated"] = 268435456] = "Deprecated";
+        NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped";
+        NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 768] = "ReachabilityCheckFlags";
+        NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 2816] = "ReachabilityAndEmitFlags";
+        // Parsing context flags
+        NodeFlags[NodeFlags["ContextFlags"] = 50720768] = "ContextFlags";
+        // Exclude these flags when parsing a Type
+        NodeFlags[NodeFlags["TypeExcludesFlags"] = 40960] = "TypeExcludesFlags";
+        // Represents all flags that are potentially set once and
+        // never cleared on SourceFiles which get re-used in between incremental parses.
+        // See the comment above on `PossiblyContainsDynamicImport` and `PossiblyContainsImportMeta`.
+        /* @internal */ NodeFlags[NodeFlags["PermanentlySetIncrementalFlags"] = 6291456] = "PermanentlySetIncrementalFlags";
+    })(NodeFlags = ts.NodeFlags || (ts.NodeFlags = {}));
+    var ModifierFlags;
+    (function (ModifierFlags) {
+        ModifierFlags[ModifierFlags["None"] = 0] = "None";
+        ModifierFlags[ModifierFlags["Export"] = 1] = "Export";
+        ModifierFlags[ModifierFlags["Ambient"] = 2] = "Ambient";
+        ModifierFlags[ModifierFlags["Public"] = 4] = "Public";
+        ModifierFlags[ModifierFlags["Private"] = 8] = "Private";
+        ModifierFlags[ModifierFlags["Protected"] = 16] = "Protected";
+        ModifierFlags[ModifierFlags["Static"] = 32] = "Static";
+        ModifierFlags[ModifierFlags["Readonly"] = 64] = "Readonly";
+        ModifierFlags[ModifierFlags["Abstract"] = 128] = "Abstract";
+        ModifierFlags[ModifierFlags["Async"] = 256] = "Async";
+        ModifierFlags[ModifierFlags["Default"] = 512] = "Default";
+        ModifierFlags[ModifierFlags["Const"] = 2048] = "Const";
+        ModifierFlags[ModifierFlags["HasComputedJSDocModifiers"] = 4096] = "HasComputedJSDocModifiers";
+        ModifierFlags[ModifierFlags["Deprecated"] = 8192] = "Deprecated";
+        ModifierFlags[ModifierFlags["Override"] = 16384] = "Override";
+        ModifierFlags[ModifierFlags["In"] = 32768] = "In";
+        ModifierFlags[ModifierFlags["Out"] = 65536] = "Out";
+        ModifierFlags[ModifierFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags";
+        ModifierFlags[ModifierFlags["AccessibilityModifier"] = 28] = "AccessibilityModifier";
+        // Accessibility modifiers and 'readonly' can be attached to a parameter in a constructor to make it a property.
+        ModifierFlags[ModifierFlags["ParameterPropertyModifier"] = 16476] = "ParameterPropertyModifier";
+        ModifierFlags[ModifierFlags["NonPublicAccessibilityModifier"] = 24] = "NonPublicAccessibilityModifier";
+        ModifierFlags[ModifierFlags["TypeScriptModifier"] = 116958] = "TypeScriptModifier";
+        ModifierFlags[ModifierFlags["ExportDefault"] = 513] = "ExportDefault";
+        ModifierFlags[ModifierFlags["All"] = 125951] = "All";
+    })(ModifierFlags = ts.ModifierFlags || (ts.ModifierFlags = {}));
+    var JsxFlags;
+    (function (JsxFlags) {
+        JsxFlags[JsxFlags["None"] = 0] = "None";
+        /** An element from a named property of the JSX.IntrinsicElements interface */
+        JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement";
+        /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */
+        JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement";
+        JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement";
+    })(JsxFlags = ts.JsxFlags || (ts.JsxFlags = {}));
+    /* @internal */
+    var RelationComparisonResult;
+    (function (RelationComparisonResult) {
+        RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded";
+        RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed";
+        RelationComparisonResult[RelationComparisonResult["Reported"] = 4] = "Reported";
+        RelationComparisonResult[RelationComparisonResult["ReportsUnmeasurable"] = 8] = "ReportsUnmeasurable";
+        RelationComparisonResult[RelationComparisonResult["ReportsUnreliable"] = 16] = "ReportsUnreliable";
+        RelationComparisonResult[RelationComparisonResult["ReportsMask"] = 24] = "ReportsMask";
+    })(RelationComparisonResult = ts.RelationComparisonResult || (ts.RelationComparisonResult = {}));
+    var GeneratedIdentifierFlags;
+    (function (GeneratedIdentifierFlags) {
+        // Kinds
+        GeneratedIdentifierFlags[GeneratedIdentifierFlags["None"] = 0] = "None";
+        /*@internal*/ GeneratedIdentifierFlags[GeneratedIdentifierFlags["Auto"] = 1] = "Auto";
+        /*@internal*/ GeneratedIdentifierFlags[GeneratedIdentifierFlags["Loop"] = 2] = "Loop";
+        /*@internal*/ GeneratedIdentifierFlags[GeneratedIdentifierFlags["Unique"] = 3] = "Unique";
+        /*@internal*/ GeneratedIdentifierFlags[GeneratedIdentifierFlags["Node"] = 4] = "Node";
+        /*@internal*/ GeneratedIdentifierFlags[GeneratedIdentifierFlags["KindMask"] = 7] = "KindMask";
+        // Flags
+        GeneratedIdentifierFlags[GeneratedIdentifierFlags["ReservedInNestedScopes"] = 8] = "ReservedInNestedScopes";
+        GeneratedIdentifierFlags[GeneratedIdentifierFlags["Optimistic"] = 16] = "Optimistic";
+        GeneratedIdentifierFlags[GeneratedIdentifierFlags["FileLevel"] = 32] = "FileLevel";
+        GeneratedIdentifierFlags[GeneratedIdentifierFlags["AllowNameSubstitution"] = 64] = "AllowNameSubstitution";
+    })(GeneratedIdentifierFlags = ts.GeneratedIdentifierFlags || (ts.GeneratedIdentifierFlags = {}));
+    var TokenFlags;
+    (function (TokenFlags) {
+        TokenFlags[TokenFlags["None"] = 0] = "None";
+        /* @internal */
+        TokenFlags[TokenFlags["PrecedingLineBreak"] = 1] = "PrecedingLineBreak";
+        /* @internal */
+        TokenFlags[TokenFlags["PrecedingJSDocComment"] = 2] = "PrecedingJSDocComment";
+        /* @internal */
+        TokenFlags[TokenFlags["Unterminated"] = 4] = "Unterminated";
+        /* @internal */
+        TokenFlags[TokenFlags["ExtendedUnicodeEscape"] = 8] = "ExtendedUnicodeEscape";
+        TokenFlags[TokenFlags["Scientific"] = 16] = "Scientific";
+        TokenFlags[TokenFlags["Octal"] = 32] = "Octal";
+        TokenFlags[TokenFlags["HexSpecifier"] = 64] = "HexSpecifier";
+        TokenFlags[TokenFlags["BinarySpecifier"] = 128] = "BinarySpecifier";
+        TokenFlags[TokenFlags["OctalSpecifier"] = 256] = "OctalSpecifier";
+        /* @internal */
+        TokenFlags[TokenFlags["ContainsSeparator"] = 512] = "ContainsSeparator";
+        /* @internal */
+        TokenFlags[TokenFlags["UnicodeEscape"] = 1024] = "UnicodeEscape";
+        /* @internal */
+        TokenFlags[TokenFlags["ContainsInvalidEscape"] = 2048] = "ContainsInvalidEscape";
+        /* @internal */
+        TokenFlags[TokenFlags["BinaryOrOctalSpecifier"] = 384] = "BinaryOrOctalSpecifier";
+        /* @internal */
+        TokenFlags[TokenFlags["NumericLiteralFlags"] = 1008] = "NumericLiteralFlags";
+        /* @internal */
+        TokenFlags[TokenFlags["TemplateLiteralLikeFlags"] = 2048] = "TemplateLiteralLikeFlags";
+    })(TokenFlags = ts.TokenFlags || (ts.TokenFlags = {}));
+    // NOTE: Ensure this is up-to-date with src/debug/debug.ts
+    var FlowFlags;
+    (function (FlowFlags) {
+        FlowFlags[FlowFlags["Unreachable"] = 1] = "Unreachable";
+        FlowFlags[FlowFlags["Start"] = 2] = "Start";
+        FlowFlags[FlowFlags["BranchLabel"] = 4] = "BranchLabel";
+        FlowFlags[FlowFlags["LoopLabel"] = 8] = "LoopLabel";
+        FlowFlags[FlowFlags["Assignment"] = 16] = "Assignment";
+        FlowFlags[FlowFlags["TrueCondition"] = 32] = "TrueCondition";
+        FlowFlags[FlowFlags["FalseCondition"] = 64] = "FalseCondition";
+        FlowFlags[FlowFlags["SwitchClause"] = 128] = "SwitchClause";
+        FlowFlags[FlowFlags["ArrayMutation"] = 256] = "ArrayMutation";
+        FlowFlags[FlowFlags["Call"] = 512] = "Call";
+        FlowFlags[FlowFlags["ReduceLabel"] = 1024] = "ReduceLabel";
+        FlowFlags[FlowFlags["Referenced"] = 2048] = "Referenced";
+        FlowFlags[FlowFlags["Shared"] = 4096] = "Shared";
+        FlowFlags[FlowFlags["Label"] = 12] = "Label";
+        FlowFlags[FlowFlags["Condition"] = 96] = "Condition";
+    })(FlowFlags = ts.FlowFlags || (ts.FlowFlags = {}));
+    /* @internal */
+    var CommentDirectiveType;
+    (function (CommentDirectiveType) {
+        CommentDirectiveType[CommentDirectiveType["ExpectError"] = 0] = "ExpectError";
+        CommentDirectiveType[CommentDirectiveType["Ignore"] = 1] = "Ignore";
+    })(CommentDirectiveType = ts.CommentDirectiveType || (ts.CommentDirectiveType = {}));
+    var OperationCanceledException = /** @class */ (function () {
+        function OperationCanceledException() {
+        }
+        return OperationCanceledException;
+    }());
+    ts.OperationCanceledException = OperationCanceledException;
+    /*@internal*/
+    var FileIncludeKind;
+    (function (FileIncludeKind) {
+        FileIncludeKind[FileIncludeKind["RootFile"] = 0] = "RootFile";
+        FileIncludeKind[FileIncludeKind["SourceFromProjectReference"] = 1] = "SourceFromProjectReference";
+        FileIncludeKind[FileIncludeKind["OutputFromProjectReference"] = 2] = "OutputFromProjectReference";
+        FileIncludeKind[FileIncludeKind["Import"] = 3] = "Import";
+        FileIncludeKind[FileIncludeKind["ReferenceFile"] = 4] = "ReferenceFile";
+        FileIncludeKind[FileIncludeKind["TypeReferenceDirective"] = 5] = "TypeReferenceDirective";
+        FileIncludeKind[FileIncludeKind["LibFile"] = 6] = "LibFile";
+        FileIncludeKind[FileIncludeKind["LibReferenceDirective"] = 7] = "LibReferenceDirective";
+        FileIncludeKind[FileIncludeKind["AutomaticTypeDirectiveFile"] = 8] = "AutomaticTypeDirectiveFile";
+    })(FileIncludeKind = ts.FileIncludeKind || (ts.FileIncludeKind = {}));
+    /*@internal*/
+    var FilePreprocessingDiagnosticsKind;
+    (function (FilePreprocessingDiagnosticsKind) {
+        FilePreprocessingDiagnosticsKind[FilePreprocessingDiagnosticsKind["FilePreprocessingReferencedDiagnostic"] = 0] = "FilePreprocessingReferencedDiagnostic";
+        FilePreprocessingDiagnosticsKind[FilePreprocessingDiagnosticsKind["FilePreprocessingFileExplainingDiagnostic"] = 1] = "FilePreprocessingFileExplainingDiagnostic";
+    })(FilePreprocessingDiagnosticsKind = ts.FilePreprocessingDiagnosticsKind || (ts.FilePreprocessingDiagnosticsKind = {}));
+    /* @internal */
+    var StructureIsReused;
+    (function (StructureIsReused) {
+        StructureIsReused[StructureIsReused["Not"] = 0] = "Not";
+        StructureIsReused[StructureIsReused["SafeModules"] = 1] = "SafeModules";
+        StructureIsReused[StructureIsReused["Completely"] = 2] = "Completely";
+    })(StructureIsReused = ts.StructureIsReused || (ts.StructureIsReused = {}));
+    /** Return code used by getEmitOutput function to indicate status of the function */
+    var ExitStatus;
+    (function (ExitStatus) {
+        // Compiler ran successfully.  Either this was a simple do-nothing compilation (for example,
+        // when -version or -help was provided, or this was a normal compilation, no diagnostics
+        // were produced, and all outputs were generated successfully.
+        ExitStatus[ExitStatus["Success"] = 0] = "Success";
+        // Diagnostics were produced and because of them no code was generated.
+        ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped";
+        // Diagnostics were produced and outputs were generated in spite of them.
+        ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated";
+        // When build skipped because passed in project is invalid
+        ExitStatus[ExitStatus["InvalidProject_OutputsSkipped"] = 3] = "InvalidProject_OutputsSkipped";
+        // When build is skipped because project references form cycle
+        ExitStatus[ExitStatus["ProjectReferenceCycle_OutputsSkipped"] = 4] = "ProjectReferenceCycle_OutputsSkipped";
+        /** @deprecated Use ProjectReferenceCycle_OutputsSkipped instead. */
+        ExitStatus[ExitStatus["ProjectReferenceCycle_OutputsSkupped"] = 4] = "ProjectReferenceCycle_OutputsSkupped";
+    })(ExitStatus = ts.ExitStatus || (ts.ExitStatus = {}));
+    /* @internal */
+    var MemberOverrideStatus;
+    (function (MemberOverrideStatus) {
+        MemberOverrideStatus[MemberOverrideStatus["Ok"] = 0] = "Ok";
+        MemberOverrideStatus[MemberOverrideStatus["NeedsOverride"] = 1] = "NeedsOverride";
+        MemberOverrideStatus[MemberOverrideStatus["HasInvalidOverride"] = 2] = "HasInvalidOverride";
+    })(MemberOverrideStatus = ts.MemberOverrideStatus || (ts.MemberOverrideStatus = {}));
+    /* @internal */
+    var UnionReduction;
+    (function (UnionReduction) {
+        UnionReduction[UnionReduction["None"] = 0] = "None";
+        UnionReduction[UnionReduction["Literal"] = 1] = "Literal";
+        UnionReduction[UnionReduction["Subtype"] = 2] = "Subtype";
+    })(UnionReduction = ts.UnionReduction || (ts.UnionReduction = {}));
+    /* @internal */
+    var ContextFlags;
+    (function (ContextFlags) {
+        ContextFlags[ContextFlags["None"] = 0] = "None";
+        ContextFlags[ContextFlags["Signature"] = 1] = "Signature";
+        ContextFlags[ContextFlags["NoConstraints"] = 2] = "NoConstraints";
+        ContextFlags[ContextFlags["Completions"] = 4] = "Completions";
+        ContextFlags[ContextFlags["SkipBindingPatterns"] = 8] = "SkipBindingPatterns";
+    })(ContextFlags = ts.ContextFlags || (ts.ContextFlags = {}));
+    // NOTE: If modifying this enum, must modify `TypeFormatFlags` too!
+    var NodeBuilderFlags;
+    (function (NodeBuilderFlags) {
+        NodeBuilderFlags[NodeBuilderFlags["None"] = 0] = "None";
+        // Options
+        NodeBuilderFlags[NodeBuilderFlags["NoTruncation"] = 1] = "NoTruncation";
+        NodeBuilderFlags[NodeBuilderFlags["WriteArrayAsGenericType"] = 2] = "WriteArrayAsGenericType";
+        NodeBuilderFlags[NodeBuilderFlags["GenerateNamesForShadowedTypeParams"] = 4] = "GenerateNamesForShadowedTypeParams";
+        NodeBuilderFlags[NodeBuilderFlags["UseStructuralFallback"] = 8] = "UseStructuralFallback";
+        NodeBuilderFlags[NodeBuilderFlags["ForbidIndexedAccessSymbolReferences"] = 16] = "ForbidIndexedAccessSymbolReferences";
+        NodeBuilderFlags[NodeBuilderFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature";
+        NodeBuilderFlags[NodeBuilderFlags["UseFullyQualifiedType"] = 64] = "UseFullyQualifiedType";
+        NodeBuilderFlags[NodeBuilderFlags["UseOnlyExternalAliasing"] = 128] = "UseOnlyExternalAliasing";
+        NodeBuilderFlags[NodeBuilderFlags["SuppressAnyReturnType"] = 256] = "SuppressAnyReturnType";
+        NodeBuilderFlags[NodeBuilderFlags["WriteTypeParametersInQualifiedName"] = 512] = "WriteTypeParametersInQualifiedName";
+        NodeBuilderFlags[NodeBuilderFlags["MultilineObjectLiterals"] = 1024] = "MultilineObjectLiterals";
+        NodeBuilderFlags[NodeBuilderFlags["WriteClassExpressionAsTypeLiteral"] = 2048] = "WriteClassExpressionAsTypeLiteral";
+        NodeBuilderFlags[NodeBuilderFlags["UseTypeOfFunction"] = 4096] = "UseTypeOfFunction";
+        NodeBuilderFlags[NodeBuilderFlags["OmitParameterModifiers"] = 8192] = "OmitParameterModifiers";
+        NodeBuilderFlags[NodeBuilderFlags["UseAliasDefinedOutsideCurrentScope"] = 16384] = "UseAliasDefinedOutsideCurrentScope";
+        NodeBuilderFlags[NodeBuilderFlags["UseSingleQuotesForStringLiteralType"] = 268435456] = "UseSingleQuotesForStringLiteralType";
+        NodeBuilderFlags[NodeBuilderFlags["NoTypeReduction"] = 536870912] = "NoTypeReduction";
+        // Error handling
+        NodeBuilderFlags[NodeBuilderFlags["AllowThisInObjectLiteral"] = 32768] = "AllowThisInObjectLiteral";
+        NodeBuilderFlags[NodeBuilderFlags["AllowQualifiedNameInPlaceOfIdentifier"] = 65536] = "AllowQualifiedNameInPlaceOfIdentifier";
+        /** @deprecated AllowQualifedNameInPlaceOfIdentifier. Use AllowQualifiedNameInPlaceOfIdentifier instead. */
+        NodeBuilderFlags[NodeBuilderFlags["AllowQualifedNameInPlaceOfIdentifier"] = 65536] = "AllowQualifedNameInPlaceOfIdentifier";
+        NodeBuilderFlags[NodeBuilderFlags["AllowAnonymousIdentifier"] = 131072] = "AllowAnonymousIdentifier";
+        NodeBuilderFlags[NodeBuilderFlags["AllowEmptyUnionOrIntersection"] = 262144] = "AllowEmptyUnionOrIntersection";
+        NodeBuilderFlags[NodeBuilderFlags["AllowEmptyTuple"] = 524288] = "AllowEmptyTuple";
+        NodeBuilderFlags[NodeBuilderFlags["AllowUniqueESSymbolType"] = 1048576] = "AllowUniqueESSymbolType";
+        NodeBuilderFlags[NodeBuilderFlags["AllowEmptyIndexInfoType"] = 2097152] = "AllowEmptyIndexInfoType";
+        // Errors (cont.)
+        NodeBuilderFlags[NodeBuilderFlags["AllowNodeModulesRelativePaths"] = 67108864] = "AllowNodeModulesRelativePaths";
+        /* @internal */ NodeBuilderFlags[NodeBuilderFlags["DoNotIncludeSymbolChain"] = 134217728] = "DoNotIncludeSymbolChain";
+        NodeBuilderFlags[NodeBuilderFlags["IgnoreErrors"] = 70221824] = "IgnoreErrors";
+        // State
+        NodeBuilderFlags[NodeBuilderFlags["InObjectTypeLiteral"] = 4194304] = "InObjectTypeLiteral";
+        NodeBuilderFlags[NodeBuilderFlags["InTypeAlias"] = 8388608] = "InTypeAlias";
+        NodeBuilderFlags[NodeBuilderFlags["InInitialEntityName"] = 16777216] = "InInitialEntityName";
+    })(NodeBuilderFlags = ts.NodeBuilderFlags || (ts.NodeBuilderFlags = {}));
+    // Ensure the shared flags between this and `NodeBuilderFlags` stay in alignment
+    var TypeFormatFlags;
+    (function (TypeFormatFlags) {
+        TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None";
+        TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 1] = "NoTruncation";
+        TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 2] = "WriteArrayAsGenericType";
+        // hole because there's a hole in node builder flags
+        TypeFormatFlags[TypeFormatFlags["UseStructuralFallback"] = 8] = "UseStructuralFallback";
+        // hole because there's a hole in node builder flags
+        TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature";
+        TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 64] = "UseFullyQualifiedType";
+        // hole because `UseOnlyExternalAliasing` is here in node builder flags, but functions which take old flags use `SymbolFormatFlags` instead
+        TypeFormatFlags[TypeFormatFlags["SuppressAnyReturnType"] = 256] = "SuppressAnyReturnType";
+        // hole because `WriteTypeParametersInQualifiedName` is here in node builder flags, but functions which take old flags use `SymbolFormatFlags` for this instead
+        TypeFormatFlags[TypeFormatFlags["MultilineObjectLiterals"] = 1024] = "MultilineObjectLiterals";
+        TypeFormatFlags[TypeFormatFlags["WriteClassExpressionAsTypeLiteral"] = 2048] = "WriteClassExpressionAsTypeLiteral";
+        TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 4096] = "UseTypeOfFunction";
+        TypeFormatFlags[TypeFormatFlags["OmitParameterModifiers"] = 8192] = "OmitParameterModifiers";
+        TypeFormatFlags[TypeFormatFlags["UseAliasDefinedOutsideCurrentScope"] = 16384] = "UseAliasDefinedOutsideCurrentScope";
+        TypeFormatFlags[TypeFormatFlags["UseSingleQuotesForStringLiteralType"] = 268435456] = "UseSingleQuotesForStringLiteralType";
+        TypeFormatFlags[TypeFormatFlags["NoTypeReduction"] = 536870912] = "NoTypeReduction";
+        // Error Handling
+        TypeFormatFlags[TypeFormatFlags["AllowUniqueESSymbolType"] = 1048576] = "AllowUniqueESSymbolType";
+        // TypeFormatFlags exclusive
+        TypeFormatFlags[TypeFormatFlags["AddUndefined"] = 131072] = "AddUndefined";
+        TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 262144] = "WriteArrowStyleSignature";
+        // State
+        TypeFormatFlags[TypeFormatFlags["InArrayType"] = 524288] = "InArrayType";
+        TypeFormatFlags[TypeFormatFlags["InElementType"] = 2097152] = "InElementType";
+        TypeFormatFlags[TypeFormatFlags["InFirstTypeArgument"] = 4194304] = "InFirstTypeArgument";
+        TypeFormatFlags[TypeFormatFlags["InTypeAlias"] = 8388608] = "InTypeAlias";
+        /** @deprecated */ TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 0] = "WriteOwnNameForAnyLike";
+        TypeFormatFlags[TypeFormatFlags["NodeBuilderFlagsMask"] = 814775659] = "NodeBuilderFlagsMask";
+    })(TypeFormatFlags = ts.TypeFormatFlags || (ts.TypeFormatFlags = {}));
+    var SymbolFormatFlags;
+    (function (SymbolFormatFlags) {
+        SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None";
+        // Write symbols's type argument if it is instantiated symbol
+        // eg. class C { p: T }   <-- Show p as C.p here
+        //     var a: C;
+        //     var p = a.p; <--- Here p is property of C so show it as C.p instead of just C.p
+        SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments";
+        // Use only external alias information to get the symbol name in the given context
+        // eg.  module m { export class c { } } import x = m.c;
+        // When this flag is specified m.c will be used to refer to the class instead of alias symbol x
+        SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing";
+        // Build symbol name using any nodes needed, instead of just components of an entity name
+        SymbolFormatFlags[SymbolFormatFlags["AllowAnyNodeKind"] = 4] = "AllowAnyNodeKind";
+        // Prefer aliases which are not directly visible
+        SymbolFormatFlags[SymbolFormatFlags["UseAliasDefinedOutsideCurrentScope"] = 8] = "UseAliasDefinedOutsideCurrentScope";
+        // Skip building an accessible symbol chain
+        /* @internal */ SymbolFormatFlags[SymbolFormatFlags["DoNotIncludeSymbolChain"] = 16] = "DoNotIncludeSymbolChain";
+    })(SymbolFormatFlags = ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {}));
+    /* @internal */
+    var SymbolAccessibility;
+    (function (SymbolAccessibility) {
+        SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible";
+        SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible";
+        SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed";
+    })(SymbolAccessibility = ts.SymbolAccessibility || (ts.SymbolAccessibility = {}));
+    /* @internal */
+    var SyntheticSymbolKind;
+    (function (SyntheticSymbolKind) {
+        SyntheticSymbolKind[SyntheticSymbolKind["UnionOrIntersection"] = 0] = "UnionOrIntersection";
+        SyntheticSymbolKind[SyntheticSymbolKind["Spread"] = 1] = "Spread";
+    })(SyntheticSymbolKind = ts.SyntheticSymbolKind || (ts.SyntheticSymbolKind = {}));
+    var TypePredicateKind;
+    (function (TypePredicateKind) {
+        TypePredicateKind[TypePredicateKind["This"] = 0] = "This";
+        TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier";
+        TypePredicateKind[TypePredicateKind["AssertsThis"] = 2] = "AssertsThis";
+        TypePredicateKind[TypePredicateKind["AssertsIdentifier"] = 3] = "AssertsIdentifier";
+    })(TypePredicateKind = ts.TypePredicateKind || (ts.TypePredicateKind = {}));
+    /** Indicates how to serialize the name for a TypeReferenceNode when emitting decorator metadata */
+    /* @internal */
+    var TypeReferenceSerializationKind;
+    (function (TypeReferenceSerializationKind) {
+        // The TypeReferenceNode could not be resolved.
+        // The type name should be emitted using a safe fallback.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown";
+        // The TypeReferenceNode resolves to a type with a constructor
+        // function that can be reached at runtime (e.g. a `class`
+        // declaration or a `var` declaration for the static side
+        // of a type, such as the global `Promise` type in lib.d.ts).
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue";
+        // The TypeReferenceNode resolves to a Void-like, Nullable, or Never type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidNullableOrNeverType"] = 2] = "VoidNullableOrNeverType";
+        // The TypeReferenceNode resolves to a Number-like type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType";
+        // The TypeReferenceNode resolves to a BigInt-like type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["BigIntLikeType"] = 4] = "BigIntLikeType";
+        // The TypeReferenceNode resolves to a String-like type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 5] = "StringLikeType";
+        // The TypeReferenceNode resolves to a Boolean-like type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 6] = "BooleanType";
+        // The TypeReferenceNode resolves to an Array-like type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 7] = "ArrayLikeType";
+        // The TypeReferenceNode resolves to the ESSymbol type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 8] = "ESSymbolType";
+        // The TypeReferenceNode resolved to the global Promise constructor symbol.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["Promise"] = 9] = "Promise";
+        // The TypeReferenceNode resolves to a Function type or a type with call signatures.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 10] = "TypeWithCallSignature";
+        // The TypeReferenceNode resolves to any other type.
+        TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 11] = "ObjectType";
+    })(TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {}));
+    var SymbolFlags;
+    (function (SymbolFlags) {
+        SymbolFlags[SymbolFlags["None"] = 0] = "None";
+        SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable";
+        SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable";
+        SymbolFlags[SymbolFlags["Property"] = 4] = "Property";
+        SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember";
+        SymbolFlags[SymbolFlags["Function"] = 16] = "Function";
+        SymbolFlags[SymbolFlags["Class"] = 32] = "Class";
+        SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface";
+        SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum";
+        SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum";
+        SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule";
+        SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule";
+        SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral";
+        SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral";
+        SymbolFlags[SymbolFlags["Method"] = 8192] = "Method";
+        SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor";
+        SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor";
+        SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor";
+        SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature";
+        SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter";
+        SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias";
+        SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue";
+        SymbolFlags[SymbolFlags["Alias"] = 2097152] = "Alias";
+        SymbolFlags[SymbolFlags["Prototype"] = 4194304] = "Prototype";
+        SymbolFlags[SymbolFlags["ExportStar"] = 8388608] = "ExportStar";
+        SymbolFlags[SymbolFlags["Optional"] = 16777216] = "Optional";
+        SymbolFlags[SymbolFlags["Transient"] = 33554432] = "Transient";
+        SymbolFlags[SymbolFlags["Assignment"] = 67108864] = "Assignment";
+        SymbolFlags[SymbolFlags["ModuleExports"] = 134217728] = "ModuleExports";
+        /* @internal */
+        SymbolFlags[SymbolFlags["All"] = 67108863] = "All";
+        SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum";
+        SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable";
+        SymbolFlags[SymbolFlags["Value"] = 111551] = "Value";
+        SymbolFlags[SymbolFlags["Type"] = 788968] = "Type";
+        SymbolFlags[SymbolFlags["Namespace"] = 1920] = "Namespace";
+        SymbolFlags[SymbolFlags["Module"] = 1536] = "Module";
+        SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor";
+        // Variables can be redeclared, but can not redeclare a block-scoped declaration with the
+        // same name, or any other value that is not a variable, e.g. ValueModule or Class
+        SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 111550] = "FunctionScopedVariableExcludes";
+        // Block-scoped declarations are not allowed to be re-declared
+        // they can not merge with anything in the value space
+        SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 111551] = "BlockScopedVariableExcludes";
+        SymbolFlags[SymbolFlags["ParameterExcludes"] = 111551] = "ParameterExcludes";
+        SymbolFlags[SymbolFlags["PropertyExcludes"] = 0] = "PropertyExcludes";
+        SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 900095] = "EnumMemberExcludes";
+        SymbolFlags[SymbolFlags["FunctionExcludes"] = 110991] = "FunctionExcludes";
+        SymbolFlags[SymbolFlags["ClassExcludes"] = 899503] = "ClassExcludes";
+        SymbolFlags[SymbolFlags["InterfaceExcludes"] = 788872] = "InterfaceExcludes";
+        SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes";
+        SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes";
+        SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 110735] = "ValueModuleExcludes";
+        SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes";
+        SymbolFlags[SymbolFlags["MethodExcludes"] = 103359] = "MethodExcludes";
+        SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 46015] = "GetAccessorExcludes";
+        SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 78783] = "SetAccessorExcludes";
+        SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 526824] = "TypeParameterExcludes";
+        SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 788968] = "TypeAliasExcludes";
+        SymbolFlags[SymbolFlags["AliasExcludes"] = 2097152] = "AliasExcludes";
+        SymbolFlags[SymbolFlags["ModuleMember"] = 2623475] = "ModuleMember";
+        SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal";
+        SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped";
+        SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor";
+        SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember";
+        /* @internal */
+        SymbolFlags[SymbolFlags["ExportSupportsDefaultModifier"] = 112] = "ExportSupportsDefaultModifier";
+        /* @internal */
+        SymbolFlags[SymbolFlags["ExportDoesNotSupportDefaultModifier"] = -113] = "ExportDoesNotSupportDefaultModifier";
+        /* @internal */
+        // The set of things we consider semantically classifiable.  Used to speed up the LS during
+        // classification.
+        SymbolFlags[SymbolFlags["Classifiable"] = 2885600] = "Classifiable";
+        /* @internal */
+        SymbolFlags[SymbolFlags["LateBindingContainer"] = 6256] = "LateBindingContainer";
+    })(SymbolFlags = ts.SymbolFlags || (ts.SymbolFlags = {}));
+    /* @internal */
+    var EnumKind;
+    (function (EnumKind) {
+        EnumKind[EnumKind["Numeric"] = 0] = "Numeric";
+        EnumKind[EnumKind["Literal"] = 1] = "Literal"; // Literal enum (each member has a TypeFlags.EnumLiteral type)
+    })(EnumKind = ts.EnumKind || (ts.EnumKind = {}));
+    /* @internal */
+    var CheckFlags;
+    (function (CheckFlags) {
+        CheckFlags[CheckFlags["Instantiated"] = 1] = "Instantiated";
+        CheckFlags[CheckFlags["SyntheticProperty"] = 2] = "SyntheticProperty";
+        CheckFlags[CheckFlags["SyntheticMethod"] = 4] = "SyntheticMethod";
+        CheckFlags[CheckFlags["Readonly"] = 8] = "Readonly";
+        CheckFlags[CheckFlags["ReadPartial"] = 16] = "ReadPartial";
+        CheckFlags[CheckFlags["WritePartial"] = 32] = "WritePartial";
+        CheckFlags[CheckFlags["HasNonUniformType"] = 64] = "HasNonUniformType";
+        CheckFlags[CheckFlags["HasLiteralType"] = 128] = "HasLiteralType";
+        CheckFlags[CheckFlags["ContainsPublic"] = 256] = "ContainsPublic";
+        CheckFlags[CheckFlags["ContainsProtected"] = 512] = "ContainsProtected";
+        CheckFlags[CheckFlags["ContainsPrivate"] = 1024] = "ContainsPrivate";
+        CheckFlags[CheckFlags["ContainsStatic"] = 2048] = "ContainsStatic";
+        CheckFlags[CheckFlags["Late"] = 4096] = "Late";
+        CheckFlags[CheckFlags["ReverseMapped"] = 8192] = "ReverseMapped";
+        CheckFlags[CheckFlags["OptionalParameter"] = 16384] = "OptionalParameter";
+        CheckFlags[CheckFlags["RestParameter"] = 32768] = "RestParameter";
+        CheckFlags[CheckFlags["DeferredType"] = 65536] = "DeferredType";
+        CheckFlags[CheckFlags["HasNeverType"] = 131072] = "HasNeverType";
+        CheckFlags[CheckFlags["Mapped"] = 262144] = "Mapped";
+        CheckFlags[CheckFlags["StripOptional"] = 524288] = "StripOptional";
+        CheckFlags[CheckFlags["Unresolved"] = 1048576] = "Unresolved";
+        CheckFlags[CheckFlags["Synthetic"] = 6] = "Synthetic";
+        CheckFlags[CheckFlags["Discriminant"] = 192] = "Discriminant";
+        CheckFlags[CheckFlags["Partial"] = 48] = "Partial";
+    })(CheckFlags = ts.CheckFlags || (ts.CheckFlags = {}));
+    var InternalSymbolName;
+    (function (InternalSymbolName) {
+        InternalSymbolName["Call"] = "__call";
+        InternalSymbolName["Constructor"] = "__constructor";
+        InternalSymbolName["New"] = "__new";
+        InternalSymbolName["Index"] = "__index";
+        InternalSymbolName["ExportStar"] = "__export";
+        InternalSymbolName["Global"] = "__global";
+        InternalSymbolName["Missing"] = "__missing";
+        InternalSymbolName["Type"] = "__type";
+        InternalSymbolName["Object"] = "__object";
+        InternalSymbolName["JSXAttributes"] = "__jsxAttributes";
+        InternalSymbolName["Class"] = "__class";
+        InternalSymbolName["Function"] = "__function";
+        InternalSymbolName["Computed"] = "__computed";
+        InternalSymbolName["Resolving"] = "__resolving__";
+        InternalSymbolName["ExportEquals"] = "export=";
+        InternalSymbolName["Default"] = "default";
+        InternalSymbolName["This"] = "this";
+    })(InternalSymbolName = ts.InternalSymbolName || (ts.InternalSymbolName = {}));
+    /* @internal */
+    var NodeCheckFlags;
+    (function (NodeCheckFlags) {
+        NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked";
+        NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis";
+        NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis";
+        NodeCheckFlags[NodeCheckFlags["CaptureNewTarget"] = 8] = "CaptureNewTarget";
+        NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance";
+        NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic";
+        NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked";
+        NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper";
+        NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding";
+        NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments";
+        NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed";
+        NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass";
+        NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding";
+        NodeCheckFlags[NodeCheckFlags["ContainsCapturedBlockScopeBinding"] = 131072] = "ContainsCapturedBlockScopeBinding";
+        NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 262144] = "CapturedBlockScopedBinding";
+        NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 524288] = "BlockScopedBindingInLoop";
+        NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 1048576] = "ClassWithBodyScopedClassBinding";
+        NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 2097152] = "BodyScopedClassBinding";
+        NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 4194304] = "NeedsLoopOutParameter";
+        NodeCheckFlags[NodeCheckFlags["AssignmentsMarked"] = 8388608] = "AssignmentsMarked";
+        NodeCheckFlags[NodeCheckFlags["ClassWithConstructorReference"] = 16777216] = "ClassWithConstructorReference";
+        NodeCheckFlags[NodeCheckFlags["ConstructorReferenceInClass"] = 33554432] = "ConstructorReferenceInClass";
+        NodeCheckFlags[NodeCheckFlags["ContainsClassWithPrivateIdentifiers"] = 67108864] = "ContainsClassWithPrivateIdentifiers";
+        NodeCheckFlags[NodeCheckFlags["ContainsSuperPropertyInStaticInitializer"] = 134217728] = "ContainsSuperPropertyInStaticInitializer";
+        NodeCheckFlags[NodeCheckFlags["InCheckIdentifier"] = 268435456] = "InCheckIdentifier";
+    })(NodeCheckFlags = ts.NodeCheckFlags || (ts.NodeCheckFlags = {}));
+    var TypeFlags;
+    (function (TypeFlags) {
+        TypeFlags[TypeFlags["Any"] = 1] = "Any";
+        TypeFlags[TypeFlags["Unknown"] = 2] = "Unknown";
+        TypeFlags[TypeFlags["String"] = 4] = "String";
+        TypeFlags[TypeFlags["Number"] = 8] = "Number";
+        TypeFlags[TypeFlags["Boolean"] = 16] = "Boolean";
+        TypeFlags[TypeFlags["Enum"] = 32] = "Enum";
+        TypeFlags[TypeFlags["BigInt"] = 64] = "BigInt";
+        TypeFlags[TypeFlags["StringLiteral"] = 128] = "StringLiteral";
+        TypeFlags[TypeFlags["NumberLiteral"] = 256] = "NumberLiteral";
+        TypeFlags[TypeFlags["BooleanLiteral"] = 512] = "BooleanLiteral";
+        TypeFlags[TypeFlags["EnumLiteral"] = 1024] = "EnumLiteral";
+        TypeFlags[TypeFlags["BigIntLiteral"] = 2048] = "BigIntLiteral";
+        TypeFlags[TypeFlags["ESSymbol"] = 4096] = "ESSymbol";
+        TypeFlags[TypeFlags["UniqueESSymbol"] = 8192] = "UniqueESSymbol";
+        TypeFlags[TypeFlags["Void"] = 16384] = "Void";
+        TypeFlags[TypeFlags["Undefined"] = 32768] = "Undefined";
+        TypeFlags[TypeFlags["Null"] = 65536] = "Null";
+        TypeFlags[TypeFlags["Never"] = 131072] = "Never";
+        TypeFlags[TypeFlags["TypeParameter"] = 262144] = "TypeParameter";
+        TypeFlags[TypeFlags["Object"] = 524288] = "Object";
+        TypeFlags[TypeFlags["Union"] = 1048576] = "Union";
+        TypeFlags[TypeFlags["Intersection"] = 2097152] = "Intersection";
+        TypeFlags[TypeFlags["Index"] = 4194304] = "Index";
+        TypeFlags[TypeFlags["IndexedAccess"] = 8388608] = "IndexedAccess";
+        TypeFlags[TypeFlags["Conditional"] = 16777216] = "Conditional";
+        TypeFlags[TypeFlags["Substitution"] = 33554432] = "Substitution";
+        TypeFlags[TypeFlags["NonPrimitive"] = 67108864] = "NonPrimitive";
+        TypeFlags[TypeFlags["TemplateLiteral"] = 134217728] = "TemplateLiteral";
+        TypeFlags[TypeFlags["StringMapping"] = 268435456] = "StringMapping";
+        /* @internal */
+        TypeFlags[TypeFlags["AnyOrUnknown"] = 3] = "AnyOrUnknown";
+        /* @internal */
+        TypeFlags[TypeFlags["Nullable"] = 98304] = "Nullable";
+        TypeFlags[TypeFlags["Literal"] = 2944] = "Literal";
+        TypeFlags[TypeFlags["Unit"] = 109440] = "Unit";
+        TypeFlags[TypeFlags["StringOrNumberLiteral"] = 384] = "StringOrNumberLiteral";
+        /* @internal */
+        TypeFlags[TypeFlags["StringOrNumberLiteralOrUnique"] = 8576] = "StringOrNumberLiteralOrUnique";
+        /* @internal */
+        TypeFlags[TypeFlags["DefinitelyFalsy"] = 117632] = "DefinitelyFalsy";
+        TypeFlags[TypeFlags["PossiblyFalsy"] = 117724] = "PossiblyFalsy";
+        /* @internal */
+        TypeFlags[TypeFlags["Intrinsic"] = 67359327] = "Intrinsic";
+        /* @internal */
+        TypeFlags[TypeFlags["Primitive"] = 131068] = "Primitive";
+        TypeFlags[TypeFlags["StringLike"] = 402653316] = "StringLike";
+        TypeFlags[TypeFlags["NumberLike"] = 296] = "NumberLike";
+        TypeFlags[TypeFlags["BigIntLike"] = 2112] = "BigIntLike";
+        TypeFlags[TypeFlags["BooleanLike"] = 528] = "BooleanLike";
+        TypeFlags[TypeFlags["EnumLike"] = 1056] = "EnumLike";
+        TypeFlags[TypeFlags["ESSymbolLike"] = 12288] = "ESSymbolLike";
+        TypeFlags[TypeFlags["VoidLike"] = 49152] = "VoidLike";
+        /* @internal */
+        TypeFlags[TypeFlags["DefinitelyNonNullable"] = 470302716] = "DefinitelyNonNullable";
+        /* @internal */
+        TypeFlags[TypeFlags["DisjointDomains"] = 469892092] = "DisjointDomains";
+        TypeFlags[TypeFlags["UnionOrIntersection"] = 3145728] = "UnionOrIntersection";
+        TypeFlags[TypeFlags["StructuredType"] = 3670016] = "StructuredType";
+        TypeFlags[TypeFlags["TypeVariable"] = 8650752] = "TypeVariable";
+        TypeFlags[TypeFlags["InstantiableNonPrimitive"] = 58982400] = "InstantiableNonPrimitive";
+        TypeFlags[TypeFlags["InstantiablePrimitive"] = 406847488] = "InstantiablePrimitive";
+        TypeFlags[TypeFlags["Instantiable"] = 465829888] = "Instantiable";
+        TypeFlags[TypeFlags["StructuredOrInstantiable"] = 469499904] = "StructuredOrInstantiable";
+        /* @internal */
+        TypeFlags[TypeFlags["ObjectFlagsType"] = 3899393] = "ObjectFlagsType";
+        /* @internal */
+        TypeFlags[TypeFlags["Simplifiable"] = 25165824] = "Simplifiable";
+        /* @internal */
+        TypeFlags[TypeFlags["Singleton"] = 67358815] = "Singleton";
+        // 'Narrowable' types are types where narrowing actually narrows.
+        // This *should* be every type other than null, undefined, void, and never
+        TypeFlags[TypeFlags["Narrowable"] = 536624127] = "Narrowable";
+        // The following flags are aggregated during union and intersection type construction
+        /* @internal */
+        TypeFlags[TypeFlags["IncludesMask"] = 205258751] = "IncludesMask";
+        // The following flags are used for different purposes during union and intersection type construction
+        /* @internal */
+        TypeFlags[TypeFlags["IncludesMissingType"] = 262144] = "IncludesMissingType";
+        /* @internal */
+        TypeFlags[TypeFlags["IncludesNonWideningType"] = 4194304] = "IncludesNonWideningType";
+        /* @internal */
+        TypeFlags[TypeFlags["IncludesWildcard"] = 8388608] = "IncludesWildcard";
+        /* @internal */
+        TypeFlags[TypeFlags["IncludesEmptyObject"] = 16777216] = "IncludesEmptyObject";
+        /* @internal */
+        TypeFlags[TypeFlags["IncludesInstantiable"] = 33554432] = "IncludesInstantiable";
+        /* @internal */
+        TypeFlags[TypeFlags["NotPrimitiveUnion"] = 36323363] = "NotPrimitiveUnion";
+    })(TypeFlags = ts.TypeFlags || (ts.TypeFlags = {}));
+    // Types included in TypeFlags.ObjectFlagsType have an objectFlags property. Some ObjectFlags
+    // are specific to certain types and reuse the same bit position. Those ObjectFlags require a check
+    // for a certain TypeFlags value to determine their meaning.
+    var ObjectFlags;
+    (function (ObjectFlags) {
+        ObjectFlags[ObjectFlags["Class"] = 1] = "Class";
+        ObjectFlags[ObjectFlags["Interface"] = 2] = "Interface";
+        ObjectFlags[ObjectFlags["Reference"] = 4] = "Reference";
+        ObjectFlags[ObjectFlags["Tuple"] = 8] = "Tuple";
+        ObjectFlags[ObjectFlags["Anonymous"] = 16] = "Anonymous";
+        ObjectFlags[ObjectFlags["Mapped"] = 32] = "Mapped";
+        ObjectFlags[ObjectFlags["Instantiated"] = 64] = "Instantiated";
+        ObjectFlags[ObjectFlags["ObjectLiteral"] = 128] = "ObjectLiteral";
+        ObjectFlags[ObjectFlags["EvolvingArray"] = 256] = "EvolvingArray";
+        ObjectFlags[ObjectFlags["ObjectLiteralPatternWithComputedProperties"] = 512] = "ObjectLiteralPatternWithComputedProperties";
+        ObjectFlags[ObjectFlags["ReverseMapped"] = 1024] = "ReverseMapped";
+        ObjectFlags[ObjectFlags["JsxAttributes"] = 2048] = "JsxAttributes";
+        ObjectFlags[ObjectFlags["JSLiteral"] = 4096] = "JSLiteral";
+        ObjectFlags[ObjectFlags["FreshLiteral"] = 8192] = "FreshLiteral";
+        ObjectFlags[ObjectFlags["ArrayLiteral"] = 16384] = "ArrayLiteral";
+        /* @internal */
+        ObjectFlags[ObjectFlags["PrimitiveUnion"] = 32768] = "PrimitiveUnion";
+        /* @internal */
+        ObjectFlags[ObjectFlags["ContainsWideningType"] = 65536] = "ContainsWideningType";
+        /* @internal */
+        ObjectFlags[ObjectFlags["ContainsObjectOrArrayLiteral"] = 131072] = "ContainsObjectOrArrayLiteral";
+        /* @internal */
+        ObjectFlags[ObjectFlags["NonInferrableType"] = 262144] = "NonInferrableType";
+        /* @internal */
+        ObjectFlags[ObjectFlags["CouldContainTypeVariablesComputed"] = 524288] = "CouldContainTypeVariablesComputed";
+        /* @internal */
+        ObjectFlags[ObjectFlags["CouldContainTypeVariables"] = 1048576] = "CouldContainTypeVariables";
+        ObjectFlags[ObjectFlags["ClassOrInterface"] = 3] = "ClassOrInterface";
+        /* @internal */
+        ObjectFlags[ObjectFlags["RequiresWidening"] = 196608] = "RequiresWidening";
+        /* @internal */
+        ObjectFlags[ObjectFlags["PropagatingFlags"] = 458752] = "PropagatingFlags";
+        // Object flags that uniquely identify the kind of ObjectType
+        /* @internal */
+        ObjectFlags[ObjectFlags["ObjectTypeKindMask"] = 1343] = "ObjectTypeKindMask";
+        // Flags that require TypeFlags.Object
+        ObjectFlags[ObjectFlags["ContainsSpread"] = 2097152] = "ContainsSpread";
+        ObjectFlags[ObjectFlags["ObjectRestType"] = 4194304] = "ObjectRestType";
+        ObjectFlags[ObjectFlags["InstantiationExpressionType"] = 8388608] = "InstantiationExpressionType";
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsClassInstanceClone"] = 16777216] = "IsClassInstanceClone";
+        // Flags that require TypeFlags.Object and ObjectFlags.Reference
+        /* @internal */
+        ObjectFlags[ObjectFlags["IdenticalBaseTypeCalculated"] = 33554432] = "IdenticalBaseTypeCalculated";
+        /* @internal */
+        ObjectFlags[ObjectFlags["IdenticalBaseTypeExists"] = 67108864] = "IdenticalBaseTypeExists";
+        // Flags that require TypeFlags.UnionOrIntersection or TypeFlags.Substitution
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsGenericTypeComputed"] = 2097152] = "IsGenericTypeComputed";
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsGenericObjectType"] = 4194304] = "IsGenericObjectType";
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsGenericIndexType"] = 8388608] = "IsGenericIndexType";
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsGenericType"] = 12582912] = "IsGenericType";
+        // Flags that require TypeFlags.Union
+        /* @internal */
+        ObjectFlags[ObjectFlags["ContainsIntersections"] = 16777216] = "ContainsIntersections";
+        // Flags that require TypeFlags.Intersection
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsNeverIntersectionComputed"] = 16777216] = "IsNeverIntersectionComputed";
+        /* @internal */
+        ObjectFlags[ObjectFlags["IsNeverIntersection"] = 33554432] = "IsNeverIntersection";
+    })(ObjectFlags = ts.ObjectFlags || (ts.ObjectFlags = {}));
+    /* @internal */
+    var VarianceFlags;
+    (function (VarianceFlags) {
+        VarianceFlags[VarianceFlags["Invariant"] = 0] = "Invariant";
+        VarianceFlags[VarianceFlags["Covariant"] = 1] = "Covariant";
+        VarianceFlags[VarianceFlags["Contravariant"] = 2] = "Contravariant";
+        VarianceFlags[VarianceFlags["Bivariant"] = 3] = "Bivariant";
+        VarianceFlags[VarianceFlags["Independent"] = 4] = "Independent";
+        VarianceFlags[VarianceFlags["VarianceMask"] = 7] = "VarianceMask";
+        VarianceFlags[VarianceFlags["Unmeasurable"] = 8] = "Unmeasurable";
+        VarianceFlags[VarianceFlags["Unreliable"] = 16] = "Unreliable";
+        VarianceFlags[VarianceFlags["AllowsStructuralFallback"] = 24] = "AllowsStructuralFallback";
+    })(VarianceFlags = ts.VarianceFlags || (ts.VarianceFlags = {}));
+    var ElementFlags;
+    (function (ElementFlags) {
+        ElementFlags[ElementFlags["Required"] = 1] = "Required";
+        ElementFlags[ElementFlags["Optional"] = 2] = "Optional";
+        ElementFlags[ElementFlags["Rest"] = 4] = "Rest";
+        ElementFlags[ElementFlags["Variadic"] = 8] = "Variadic";
+        ElementFlags[ElementFlags["Fixed"] = 3] = "Fixed";
+        ElementFlags[ElementFlags["Variable"] = 12] = "Variable";
+        ElementFlags[ElementFlags["NonRequired"] = 14] = "NonRequired";
+        ElementFlags[ElementFlags["NonRest"] = 11] = "NonRest";
+    })(ElementFlags = ts.ElementFlags || (ts.ElementFlags = {}));
+    /* @internal */
+    var AccessFlags;
+    (function (AccessFlags) {
+        AccessFlags[AccessFlags["None"] = 0] = "None";
+        AccessFlags[AccessFlags["IncludeUndefined"] = 1] = "IncludeUndefined";
+        AccessFlags[AccessFlags["NoIndexSignatures"] = 2] = "NoIndexSignatures";
+        AccessFlags[AccessFlags["Writing"] = 4] = "Writing";
+        AccessFlags[AccessFlags["CacheSymbol"] = 8] = "CacheSymbol";
+        AccessFlags[AccessFlags["NoTupleBoundsCheck"] = 16] = "NoTupleBoundsCheck";
+        AccessFlags[AccessFlags["ExpressionPosition"] = 32] = "ExpressionPosition";
+        AccessFlags[AccessFlags["ReportDeprecated"] = 64] = "ReportDeprecated";
+        AccessFlags[AccessFlags["SuppressNoImplicitAnyError"] = 128] = "SuppressNoImplicitAnyError";
+        AccessFlags[AccessFlags["Contextual"] = 256] = "Contextual";
+        AccessFlags[AccessFlags["Persistent"] = 1] = "Persistent";
+    })(AccessFlags = ts.AccessFlags || (ts.AccessFlags = {}));
+    /* @internal */
+    var JsxReferenceKind;
+    (function (JsxReferenceKind) {
+        JsxReferenceKind[JsxReferenceKind["Component"] = 0] = "Component";
+        JsxReferenceKind[JsxReferenceKind["Function"] = 1] = "Function";
+        JsxReferenceKind[JsxReferenceKind["Mixed"] = 2] = "Mixed";
+    })(JsxReferenceKind = ts.JsxReferenceKind || (ts.JsxReferenceKind = {}));
+    var SignatureKind;
+    (function (SignatureKind) {
+        SignatureKind[SignatureKind["Call"] = 0] = "Call";
+        SignatureKind[SignatureKind["Construct"] = 1] = "Construct";
+    })(SignatureKind = ts.SignatureKind || (ts.SignatureKind = {}));
+    /* @internal */
+    var SignatureFlags;
+    (function (SignatureFlags) {
+        SignatureFlags[SignatureFlags["None"] = 0] = "None";
+        // Propagating flags
+        SignatureFlags[SignatureFlags["HasRestParameter"] = 1] = "HasRestParameter";
+        SignatureFlags[SignatureFlags["HasLiteralTypes"] = 2] = "HasLiteralTypes";
+        SignatureFlags[SignatureFlags["Abstract"] = 4] = "Abstract";
+        // Non-propagating flags
+        SignatureFlags[SignatureFlags["IsInnerCallChain"] = 8] = "IsInnerCallChain";
+        SignatureFlags[SignatureFlags["IsOuterCallChain"] = 16] = "IsOuterCallChain";
+        SignatureFlags[SignatureFlags["IsUntypedSignatureInJSFile"] = 32] = "IsUntypedSignatureInJSFile";
+        // We do not propagate `IsInnerCallChain` or `IsOuterCallChain` to instantiated signatures, as that would result in us
+        // attempting to add `| undefined` on each recursive call to `getReturnTypeOfSignature` when
+        // instantiating the return type.
+        SignatureFlags[SignatureFlags["PropagatingFlags"] = 39] = "PropagatingFlags";
+        SignatureFlags[SignatureFlags["CallChainFlags"] = 24] = "CallChainFlags";
+    })(SignatureFlags = ts.SignatureFlags || (ts.SignatureFlags = {}));
+    var IndexKind;
+    (function (IndexKind) {
+        IndexKind[IndexKind["String"] = 0] = "String";
+        IndexKind[IndexKind["Number"] = 1] = "Number";
+    })(IndexKind = ts.IndexKind || (ts.IndexKind = {}));
+    /* @internal */
+    var TypeMapKind;
+    (function (TypeMapKind) {
+        TypeMapKind[TypeMapKind["Simple"] = 0] = "Simple";
+        TypeMapKind[TypeMapKind["Array"] = 1] = "Array";
+        TypeMapKind[TypeMapKind["Function"] = 2] = "Function";
+        TypeMapKind[TypeMapKind["Composite"] = 3] = "Composite";
+        TypeMapKind[TypeMapKind["Merged"] = 4] = "Merged";
+    })(TypeMapKind = ts.TypeMapKind || (ts.TypeMapKind = {}));
+    var InferencePriority;
+    (function (InferencePriority) {
+        InferencePriority[InferencePriority["NakedTypeVariable"] = 1] = "NakedTypeVariable";
+        InferencePriority[InferencePriority["SpeculativeTuple"] = 2] = "SpeculativeTuple";
+        InferencePriority[InferencePriority["SubstituteSource"] = 4] = "SubstituteSource";
+        InferencePriority[InferencePriority["HomomorphicMappedType"] = 8] = "HomomorphicMappedType";
+        InferencePriority[InferencePriority["PartialHomomorphicMappedType"] = 16] = "PartialHomomorphicMappedType";
+        InferencePriority[InferencePriority["MappedTypeConstraint"] = 32] = "MappedTypeConstraint";
+        InferencePriority[InferencePriority["ContravariantConditional"] = 64] = "ContravariantConditional";
+        InferencePriority[InferencePriority["ReturnType"] = 128] = "ReturnType";
+        InferencePriority[InferencePriority["LiteralKeyof"] = 256] = "LiteralKeyof";
+        InferencePriority[InferencePriority["NoConstraints"] = 512] = "NoConstraints";
+        InferencePriority[InferencePriority["AlwaysStrict"] = 1024] = "AlwaysStrict";
+        InferencePriority[InferencePriority["MaxValue"] = 2048] = "MaxValue";
+        InferencePriority[InferencePriority["PriorityImpliesCombination"] = 416] = "PriorityImpliesCombination";
+        InferencePriority[InferencePriority["Circularity"] = -1] = "Circularity";
+    })(InferencePriority = ts.InferencePriority || (ts.InferencePriority = {}));
+    /* @internal */
+    var InferenceFlags;
+    (function (InferenceFlags) {
+        InferenceFlags[InferenceFlags["None"] = 0] = "None";
+        InferenceFlags[InferenceFlags["NoDefault"] = 1] = "NoDefault";
+        InferenceFlags[InferenceFlags["AnyDefault"] = 2] = "AnyDefault";
+        InferenceFlags[InferenceFlags["SkippedGenericFunction"] = 4] = "SkippedGenericFunction";
+    })(InferenceFlags = ts.InferenceFlags || (ts.InferenceFlags = {}));
+    /**
+     * Ternary values are defined such that
+     * x & y picks the lesser in the order False < Unknown < Maybe < True, and
+     * x | y picks the greater in the order False < Unknown < Maybe < True.
+     * Generally, Ternary.Maybe is used as the result of a relation that depends on itself, and
+     * Ternary.Unknown is used as the result of a variance check that depends on itself. We make
+     * a distinction because we don't want to cache circular variance check results.
+     */
+    /* @internal */
+    var Ternary;
+    (function (Ternary) {
+        Ternary[Ternary["False"] = 0] = "False";
+        Ternary[Ternary["Unknown"] = 1] = "Unknown";
+        Ternary[Ternary["Maybe"] = 3] = "Maybe";
+        Ternary[Ternary["True"] = -1] = "True";
+    })(Ternary = ts.Ternary || (ts.Ternary = {}));
+    /* @internal */
+    var AssignmentDeclarationKind;
+    (function (AssignmentDeclarationKind) {
+        AssignmentDeclarationKind[AssignmentDeclarationKind["None"] = 0] = "None";
+        /// exports.name = expr
+        /// module.exports.name = expr
+        AssignmentDeclarationKind[AssignmentDeclarationKind["ExportsProperty"] = 1] = "ExportsProperty";
+        /// module.exports = expr
+        AssignmentDeclarationKind[AssignmentDeclarationKind["ModuleExports"] = 2] = "ModuleExports";
+        /// className.prototype.name = expr
+        AssignmentDeclarationKind[AssignmentDeclarationKind["PrototypeProperty"] = 3] = "PrototypeProperty";
+        /// this.name = expr
+        AssignmentDeclarationKind[AssignmentDeclarationKind["ThisProperty"] = 4] = "ThisProperty";
+        // F.name = expr
+        AssignmentDeclarationKind[AssignmentDeclarationKind["Property"] = 5] = "Property";
+        // F.prototype = { ... }
+        AssignmentDeclarationKind[AssignmentDeclarationKind["Prototype"] = 6] = "Prototype";
+        // Object.defineProperty(x, 'name', { value: any, writable?: boolean (false by default) });
+        // Object.defineProperty(x, 'name', { get: Function, set: Function });
+        // Object.defineProperty(x, 'name', { get: Function });
+        // Object.defineProperty(x, 'name', { set: Function });
+        AssignmentDeclarationKind[AssignmentDeclarationKind["ObjectDefinePropertyValue"] = 7] = "ObjectDefinePropertyValue";
+        // Object.defineProperty(exports || module.exports, 'name', ...);
+        AssignmentDeclarationKind[AssignmentDeclarationKind["ObjectDefinePropertyExports"] = 8] = "ObjectDefinePropertyExports";
+        // Object.defineProperty(Foo.prototype, 'name', ...);
+        AssignmentDeclarationKind[AssignmentDeclarationKind["ObjectDefinePrototypeProperty"] = 9] = "ObjectDefinePrototypeProperty";
+    })(AssignmentDeclarationKind = ts.AssignmentDeclarationKind || (ts.AssignmentDeclarationKind = {}));
+    var DiagnosticCategory;
+    (function (DiagnosticCategory) {
+        DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning";
+        DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error";
+        DiagnosticCategory[DiagnosticCategory["Suggestion"] = 2] = "Suggestion";
+        DiagnosticCategory[DiagnosticCategory["Message"] = 3] = "Message";
+    })(DiagnosticCategory = ts.DiagnosticCategory || (ts.DiagnosticCategory = {}));
+    /* @internal */
+    function diagnosticCategoryName(d, lowerCase) {
+        if (lowerCase === void 0) { lowerCase = true; }
+        var name = DiagnosticCategory[d.category];
+        return lowerCase ? name.toLowerCase() : name;
+    }
+    ts.diagnosticCategoryName = diagnosticCategoryName;
+    var ModuleResolutionKind;
+    (function (ModuleResolutionKind) {
+        ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic";
+        ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs";
+        // Starting with node12, node's module resolver has significant departures from traditional cjs resolution
+        // to better support ecmascript modules and their use within node - however more features are still being added.
+        // TypeScript's Node ESM support was introduced after Node 12 went end-of-life, and Node 14 is the earliest stable
+        // version that supports both pattern trailers - *but*, Node 16 is the first version that also supports ECMASCript 2022.
+        // In turn, we offer both a `NodeNext` moving resolution target, and a `Node16` version-anchored resolution target
+        ModuleResolutionKind[ModuleResolutionKind["Node16"] = 3] = "Node16";
+        ModuleResolutionKind[ModuleResolutionKind["NodeNext"] = 99] = "NodeNext";
+    })(ModuleResolutionKind = ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {}));
+    var ModuleDetectionKind;
+    (function (ModuleDetectionKind) {
+        /**
+         * Files with imports, exports and/or import.meta are considered modules
+         */
+        ModuleDetectionKind[ModuleDetectionKind["Legacy"] = 1] = "Legacy";
+        /**
+         * Legacy, but also files with jsx under react-jsx or react-jsxdev and esm mode files under moduleResolution: node16+
+         */
+        ModuleDetectionKind[ModuleDetectionKind["Auto"] = 2] = "Auto";
+        /**
+         * Consider all non-declaration files modules, regardless of present syntax
+         */
+        ModuleDetectionKind[ModuleDetectionKind["Force"] = 3] = "Force";
+    })(ModuleDetectionKind = ts.ModuleDetectionKind || (ts.ModuleDetectionKind = {}));
+    var WatchFileKind;
+    (function (WatchFileKind) {
+        WatchFileKind[WatchFileKind["FixedPollingInterval"] = 0] = "FixedPollingInterval";
+        WatchFileKind[WatchFileKind["PriorityPollingInterval"] = 1] = "PriorityPollingInterval";
+        WatchFileKind[WatchFileKind["DynamicPriorityPolling"] = 2] = "DynamicPriorityPolling";
+        WatchFileKind[WatchFileKind["FixedChunkSizePolling"] = 3] = "FixedChunkSizePolling";
+        WatchFileKind[WatchFileKind["UseFsEvents"] = 4] = "UseFsEvents";
+        WatchFileKind[WatchFileKind["UseFsEventsOnParentDirectory"] = 5] = "UseFsEventsOnParentDirectory";
+    })(WatchFileKind = ts.WatchFileKind || (ts.WatchFileKind = {}));
+    var WatchDirectoryKind;
+    (function (WatchDirectoryKind) {
+        WatchDirectoryKind[WatchDirectoryKind["UseFsEvents"] = 0] = "UseFsEvents";
+        WatchDirectoryKind[WatchDirectoryKind["FixedPollingInterval"] = 1] = "FixedPollingInterval";
+        WatchDirectoryKind[WatchDirectoryKind["DynamicPriorityPolling"] = 2] = "DynamicPriorityPolling";
+        WatchDirectoryKind[WatchDirectoryKind["FixedChunkSizePolling"] = 3] = "FixedChunkSizePolling";
+    })(WatchDirectoryKind = ts.WatchDirectoryKind || (ts.WatchDirectoryKind = {}));
+    var PollingWatchKind;
+    (function (PollingWatchKind) {
+        PollingWatchKind[PollingWatchKind["FixedInterval"] = 0] = "FixedInterval";
+        PollingWatchKind[PollingWatchKind["PriorityInterval"] = 1] = "PriorityInterval";
+        PollingWatchKind[PollingWatchKind["DynamicPriority"] = 2] = "DynamicPriority";
+        PollingWatchKind[PollingWatchKind["FixedChunkSize"] = 3] = "FixedChunkSize";
+    })(PollingWatchKind = ts.PollingWatchKind || (ts.PollingWatchKind = {}));
+    var ModuleKind;
+    (function (ModuleKind) {
+        ModuleKind[ModuleKind["None"] = 0] = "None";
+        ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS";
+        ModuleKind[ModuleKind["AMD"] = 2] = "AMD";
+        ModuleKind[ModuleKind["UMD"] = 3] = "UMD";
+        ModuleKind[ModuleKind["System"] = 4] = "System";
+        // NOTE: ES module kinds should be contiguous to more easily check whether a module kind is *any* ES module kind.
+        //       Non-ES module kinds should not come between ES2015 (the earliest ES module kind) and ESNext (the last ES
+        //       module kind).
+        ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015";
+        ModuleKind[ModuleKind["ES2020"] = 6] = "ES2020";
+        ModuleKind[ModuleKind["ES2022"] = 7] = "ES2022";
+        ModuleKind[ModuleKind["ESNext"] = 99] = "ESNext";
+        // Node16+ is an amalgam of commonjs (albeit updated) and es2022+, and represents a distinct module system from es2020/esnext
+        ModuleKind[ModuleKind["Node16"] = 100] = "Node16";
+        ModuleKind[ModuleKind["NodeNext"] = 199] = "NodeNext";
+    })(ModuleKind = ts.ModuleKind || (ts.ModuleKind = {}));
+    var JsxEmit;
+    (function (JsxEmit) {
+        JsxEmit[JsxEmit["None"] = 0] = "None";
+        JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve";
+        JsxEmit[JsxEmit["React"] = 2] = "React";
+        JsxEmit[JsxEmit["ReactNative"] = 3] = "ReactNative";
+        JsxEmit[JsxEmit["ReactJSX"] = 4] = "ReactJSX";
+        JsxEmit[JsxEmit["ReactJSXDev"] = 5] = "ReactJSXDev";
+    })(JsxEmit = ts.JsxEmit || (ts.JsxEmit = {}));
+    var ImportsNotUsedAsValues;
+    (function (ImportsNotUsedAsValues) {
+        ImportsNotUsedAsValues[ImportsNotUsedAsValues["Remove"] = 0] = "Remove";
+        ImportsNotUsedAsValues[ImportsNotUsedAsValues["Preserve"] = 1] = "Preserve";
+        ImportsNotUsedAsValues[ImportsNotUsedAsValues["Error"] = 2] = "Error";
+    })(ImportsNotUsedAsValues = ts.ImportsNotUsedAsValues || (ts.ImportsNotUsedAsValues = {}));
+    var NewLineKind;
+    (function (NewLineKind) {
+        NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed";
+        NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed";
+    })(NewLineKind = ts.NewLineKind || (ts.NewLineKind = {}));
+    var ScriptKind;
+    (function (ScriptKind) {
+        ScriptKind[ScriptKind["Unknown"] = 0] = "Unknown";
+        ScriptKind[ScriptKind["JS"] = 1] = "JS";
+        ScriptKind[ScriptKind["JSX"] = 2] = "JSX";
+        ScriptKind[ScriptKind["TS"] = 3] = "TS";
+        ScriptKind[ScriptKind["TSX"] = 4] = "TSX";
+        ScriptKind[ScriptKind["External"] = 5] = "External";
+        ScriptKind[ScriptKind["JSON"] = 6] = "JSON";
+        /**
+         * Used on extensions that doesn't define the ScriptKind but the content defines it.
+         * Deferred extensions are going to be included in all project contexts.
+         */
+        ScriptKind[ScriptKind["Deferred"] = 7] = "Deferred";
+    })(ScriptKind = ts.ScriptKind || (ts.ScriptKind = {}));
+    var ScriptTarget;
+    (function (ScriptTarget) {
+        ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3";
+        ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5";
+        ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015";
+        ScriptTarget[ScriptTarget["ES2016"] = 3] = "ES2016";
+        ScriptTarget[ScriptTarget["ES2017"] = 4] = "ES2017";
+        ScriptTarget[ScriptTarget["ES2018"] = 5] = "ES2018";
+        ScriptTarget[ScriptTarget["ES2019"] = 6] = "ES2019";
+        ScriptTarget[ScriptTarget["ES2020"] = 7] = "ES2020";
+        ScriptTarget[ScriptTarget["ES2021"] = 8] = "ES2021";
+        ScriptTarget[ScriptTarget["ES2022"] = 9] = "ES2022";
+        ScriptTarget[ScriptTarget["ESNext"] = 99] = "ESNext";
+        ScriptTarget[ScriptTarget["JSON"] = 100] = "JSON";
+        ScriptTarget[ScriptTarget["Latest"] = 99] = "Latest";
+    })(ScriptTarget = ts.ScriptTarget || (ts.ScriptTarget = {}));
+    var LanguageVariant;
+    (function (LanguageVariant) {
+        LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard";
+        LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX";
+    })(LanguageVariant = ts.LanguageVariant || (ts.LanguageVariant = {}));
+    var WatchDirectoryFlags;
+    (function (WatchDirectoryFlags) {
+        WatchDirectoryFlags[WatchDirectoryFlags["None"] = 0] = "None";
+        WatchDirectoryFlags[WatchDirectoryFlags["Recursive"] = 1] = "Recursive";
+    })(WatchDirectoryFlags = ts.WatchDirectoryFlags || (ts.WatchDirectoryFlags = {}));
+    /* @internal */
+    var CharacterCodes;
+    (function (CharacterCodes) {
+        CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter";
+        CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter";
+        CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed";
+        CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn";
+        CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator";
+        CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator";
+        CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine";
+        // Unicode 3.0 space characters
+        CharacterCodes[CharacterCodes["space"] = 32] = "space";
+        CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace";
+        CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad";
+        CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad";
+        CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace";
+        CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace";
+        CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace";
+        CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace";
+        CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace";
+        CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace";
+        CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace";
+        CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace";
+        CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace";
+        CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace";
+        CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace";
+        CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace";
+        CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace";
+        CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham";
+        CharacterCodes[CharacterCodes["_"] = 95] = "_";
+        CharacterCodes[CharacterCodes["$"] = 36] = "$";
+        CharacterCodes[CharacterCodes["_0"] = 48] = "_0";
+        CharacterCodes[CharacterCodes["_1"] = 49] = "_1";
+        CharacterCodes[CharacterCodes["_2"] = 50] = "_2";
+        CharacterCodes[CharacterCodes["_3"] = 51] = "_3";
+        CharacterCodes[CharacterCodes["_4"] = 52] = "_4";
+        CharacterCodes[CharacterCodes["_5"] = 53] = "_5";
+        CharacterCodes[CharacterCodes["_6"] = 54] = "_6";
+        CharacterCodes[CharacterCodes["_7"] = 55] = "_7";
+        CharacterCodes[CharacterCodes["_8"] = 56] = "_8";
+        CharacterCodes[CharacterCodes["_9"] = 57] = "_9";
+        CharacterCodes[CharacterCodes["a"] = 97] = "a";
+        CharacterCodes[CharacterCodes["b"] = 98] = "b";
+        CharacterCodes[CharacterCodes["c"] = 99] = "c";
+        CharacterCodes[CharacterCodes["d"] = 100] = "d";
+        CharacterCodes[CharacterCodes["e"] = 101] = "e";
+        CharacterCodes[CharacterCodes["f"] = 102] = "f";
+        CharacterCodes[CharacterCodes["g"] = 103] = "g";
+        CharacterCodes[CharacterCodes["h"] = 104] = "h";
+        CharacterCodes[CharacterCodes["i"] = 105] = "i";
+        CharacterCodes[CharacterCodes["j"] = 106] = "j";
+        CharacterCodes[CharacterCodes["k"] = 107] = "k";
+        CharacterCodes[CharacterCodes["l"] = 108] = "l";
+        CharacterCodes[CharacterCodes["m"] = 109] = "m";
+        CharacterCodes[CharacterCodes["n"] = 110] = "n";
+        CharacterCodes[CharacterCodes["o"] = 111] = "o";
+        CharacterCodes[CharacterCodes["p"] = 112] = "p";
+        CharacterCodes[CharacterCodes["q"] = 113] = "q";
+        CharacterCodes[CharacterCodes["r"] = 114] = "r";
+        CharacterCodes[CharacterCodes["s"] = 115] = "s";
+        CharacterCodes[CharacterCodes["t"] = 116] = "t";
+        CharacterCodes[CharacterCodes["u"] = 117] = "u";
+        CharacterCodes[CharacterCodes["v"] = 118] = "v";
+        CharacterCodes[CharacterCodes["w"] = 119] = "w";
+        CharacterCodes[CharacterCodes["x"] = 120] = "x";
+        CharacterCodes[CharacterCodes["y"] = 121] = "y";
+        CharacterCodes[CharacterCodes["z"] = 122] = "z";
+        CharacterCodes[CharacterCodes["A"] = 65] = "A";
+        CharacterCodes[CharacterCodes["B"] = 66] = "B";
+        CharacterCodes[CharacterCodes["C"] = 67] = "C";
+        CharacterCodes[CharacterCodes["D"] = 68] = "D";
+        CharacterCodes[CharacterCodes["E"] = 69] = "E";
+        CharacterCodes[CharacterCodes["F"] = 70] = "F";
+        CharacterCodes[CharacterCodes["G"] = 71] = "G";
+        CharacterCodes[CharacterCodes["H"] = 72] = "H";
+        CharacterCodes[CharacterCodes["I"] = 73] = "I";
+        CharacterCodes[CharacterCodes["J"] = 74] = "J";
+        CharacterCodes[CharacterCodes["K"] = 75] = "K";
+        CharacterCodes[CharacterCodes["L"] = 76] = "L";
+        CharacterCodes[CharacterCodes["M"] = 77] = "M";
+        CharacterCodes[CharacterCodes["N"] = 78] = "N";
+        CharacterCodes[CharacterCodes["O"] = 79] = "O";
+        CharacterCodes[CharacterCodes["P"] = 80] = "P";
+        CharacterCodes[CharacterCodes["Q"] = 81] = "Q";
+        CharacterCodes[CharacterCodes["R"] = 82] = "R";
+        CharacterCodes[CharacterCodes["S"] = 83] = "S";
+        CharacterCodes[CharacterCodes["T"] = 84] = "T";
+        CharacterCodes[CharacterCodes["U"] = 85] = "U";
+        CharacterCodes[CharacterCodes["V"] = 86] = "V";
+        CharacterCodes[CharacterCodes["W"] = 87] = "W";
+        CharacterCodes[CharacterCodes["X"] = 88] = "X";
+        CharacterCodes[CharacterCodes["Y"] = 89] = "Y";
+        CharacterCodes[CharacterCodes["Z"] = 90] = "Z";
+        CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand";
+        CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk";
+        CharacterCodes[CharacterCodes["at"] = 64] = "at";
+        CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash";
+        CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick";
+        CharacterCodes[CharacterCodes["bar"] = 124] = "bar";
+        CharacterCodes[CharacterCodes["caret"] = 94] = "caret";
+        CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace";
+        CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket";
+        CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen";
+        CharacterCodes[CharacterCodes["colon"] = 58] = "colon";
+        CharacterCodes[CharacterCodes["comma"] = 44] = "comma";
+        CharacterCodes[CharacterCodes["dot"] = 46] = "dot";
+        CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote";
+        CharacterCodes[CharacterCodes["equals"] = 61] = "equals";
+        CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation";
+        CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan";
+        CharacterCodes[CharacterCodes["hash"] = 35] = "hash";
+        CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan";
+        CharacterCodes[CharacterCodes["minus"] = 45] = "minus";
+        CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace";
+        CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket";
+        CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen";
+        CharacterCodes[CharacterCodes["percent"] = 37] = "percent";
+        CharacterCodes[CharacterCodes["plus"] = 43] = "plus";
+        CharacterCodes[CharacterCodes["question"] = 63] = "question";
+        CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon";
+        CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote";
+        CharacterCodes[CharacterCodes["slash"] = 47] = "slash";
+        CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde";
+        CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace";
+        CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed";
+        CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark";
+        CharacterCodes[CharacterCodes["tab"] = 9] = "tab";
+        CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab";
+    })(CharacterCodes = ts.CharacterCodes || (ts.CharacterCodes = {}));
+    var Extension;
+    (function (Extension) {
+        Extension["Ts"] = ".ts";
+        Extension["Tsx"] = ".tsx";
+        Extension["Dts"] = ".d.ts";
+        Extension["Js"] = ".js";
+        Extension["Jsx"] = ".jsx";
+        Extension["Json"] = ".json";
+        Extension["TsBuildInfo"] = ".tsbuildinfo";
+        Extension["Mjs"] = ".mjs";
+        Extension["Mts"] = ".mts";
+        Extension["Dmts"] = ".d.mts";
+        Extension["Cjs"] = ".cjs";
+        Extension["Cts"] = ".cts";
+        Extension["Dcts"] = ".d.cts";
+    })(Extension = ts.Extension || (ts.Extension = {}));
+    /* @internal */
+    var TransformFlags;
+    (function (TransformFlags) {
+        TransformFlags[TransformFlags["None"] = 0] = "None";
+        // Facts
+        // - Flags used to indicate that a node or subtree contains syntax that requires transformation.
+        TransformFlags[TransformFlags["ContainsTypeScript"] = 1] = "ContainsTypeScript";
+        TransformFlags[TransformFlags["ContainsJsx"] = 2] = "ContainsJsx";
+        TransformFlags[TransformFlags["ContainsESNext"] = 4] = "ContainsESNext";
+        TransformFlags[TransformFlags["ContainsES2022"] = 8] = "ContainsES2022";
+        TransformFlags[TransformFlags["ContainsES2021"] = 16] = "ContainsES2021";
+        TransformFlags[TransformFlags["ContainsES2020"] = 32] = "ContainsES2020";
+        TransformFlags[TransformFlags["ContainsES2019"] = 64] = "ContainsES2019";
+        TransformFlags[TransformFlags["ContainsES2018"] = 128] = "ContainsES2018";
+        TransformFlags[TransformFlags["ContainsES2017"] = 256] = "ContainsES2017";
+        TransformFlags[TransformFlags["ContainsES2016"] = 512] = "ContainsES2016";
+        TransformFlags[TransformFlags["ContainsES2015"] = 1024] = "ContainsES2015";
+        TransformFlags[TransformFlags["ContainsGenerator"] = 2048] = "ContainsGenerator";
+        TransformFlags[TransformFlags["ContainsDestructuringAssignment"] = 4096] = "ContainsDestructuringAssignment";
+        // Markers
+        // - Flags used to indicate that a subtree contains a specific transformation.
+        TransformFlags[TransformFlags["ContainsTypeScriptClassSyntax"] = 4096] = "ContainsTypeScriptClassSyntax";
+        TransformFlags[TransformFlags["ContainsLexicalThis"] = 8192] = "ContainsLexicalThis";
+        TransformFlags[TransformFlags["ContainsRestOrSpread"] = 16384] = "ContainsRestOrSpread";
+        TransformFlags[TransformFlags["ContainsObjectRestOrSpread"] = 32768] = "ContainsObjectRestOrSpread";
+        TransformFlags[TransformFlags["ContainsComputedPropertyName"] = 65536] = "ContainsComputedPropertyName";
+        TransformFlags[TransformFlags["ContainsBlockScopedBinding"] = 131072] = "ContainsBlockScopedBinding";
+        TransformFlags[TransformFlags["ContainsBindingPattern"] = 262144] = "ContainsBindingPattern";
+        TransformFlags[TransformFlags["ContainsYield"] = 524288] = "ContainsYield";
+        TransformFlags[TransformFlags["ContainsAwait"] = 1048576] = "ContainsAwait";
+        TransformFlags[TransformFlags["ContainsHoistedDeclarationOrCompletion"] = 2097152] = "ContainsHoistedDeclarationOrCompletion";
+        TransformFlags[TransformFlags["ContainsDynamicImport"] = 4194304] = "ContainsDynamicImport";
+        TransformFlags[TransformFlags["ContainsClassFields"] = 8388608] = "ContainsClassFields";
+        TransformFlags[TransformFlags["ContainsPossibleTopLevelAwait"] = 16777216] = "ContainsPossibleTopLevelAwait";
+        TransformFlags[TransformFlags["ContainsLexicalSuper"] = 33554432] = "ContainsLexicalSuper";
+        TransformFlags[TransformFlags["ContainsUpdateExpressionForIdentifier"] = 67108864] = "ContainsUpdateExpressionForIdentifier";
+        // Please leave this as 1 << 29.
+        // It is the maximum bit we can set before we outgrow the size of a v8 small integer (SMI) on an x86 system.
+        // It is a good reminder of how much room we have left
+        TransformFlags[TransformFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags";
+        // Assertions
+        // - Bitmasks that are used to assert facts about the syntax of a node and its subtree.
+        TransformFlags[TransformFlags["AssertTypeScript"] = 1] = "AssertTypeScript";
+        TransformFlags[TransformFlags["AssertJsx"] = 2] = "AssertJsx";
+        TransformFlags[TransformFlags["AssertESNext"] = 4] = "AssertESNext";
+        TransformFlags[TransformFlags["AssertES2022"] = 8] = "AssertES2022";
+        TransformFlags[TransformFlags["AssertES2021"] = 16] = "AssertES2021";
+        TransformFlags[TransformFlags["AssertES2020"] = 32] = "AssertES2020";
+        TransformFlags[TransformFlags["AssertES2019"] = 64] = "AssertES2019";
+        TransformFlags[TransformFlags["AssertES2018"] = 128] = "AssertES2018";
+        TransformFlags[TransformFlags["AssertES2017"] = 256] = "AssertES2017";
+        TransformFlags[TransformFlags["AssertES2016"] = 512] = "AssertES2016";
+        TransformFlags[TransformFlags["AssertES2015"] = 1024] = "AssertES2015";
+        TransformFlags[TransformFlags["AssertGenerator"] = 2048] = "AssertGenerator";
+        TransformFlags[TransformFlags["AssertDestructuringAssignment"] = 4096] = "AssertDestructuringAssignment";
+        // Scope Exclusions
+        // - Bitmasks that exclude flags from propagating out of a specific context
+        //   into the subtree flags of their container.
+        TransformFlags[TransformFlags["OuterExpressionExcludes"] = 536870912] = "OuterExpressionExcludes";
+        TransformFlags[TransformFlags["PropertyAccessExcludes"] = 536870912] = "PropertyAccessExcludes";
+        TransformFlags[TransformFlags["NodeExcludes"] = 536870912] = "NodeExcludes";
+        TransformFlags[TransformFlags["ArrowFunctionExcludes"] = 557748224] = "ArrowFunctionExcludes";
+        TransformFlags[TransformFlags["FunctionExcludes"] = 591310848] = "FunctionExcludes";
+        TransformFlags[TransformFlags["ConstructorExcludes"] = 591306752] = "ConstructorExcludes";
+        TransformFlags[TransformFlags["MethodOrAccessorExcludes"] = 574529536] = "MethodOrAccessorExcludes";
+        TransformFlags[TransformFlags["PropertyExcludes"] = 570433536] = "PropertyExcludes";
+        TransformFlags[TransformFlags["ClassExcludes"] = 536940544] = "ClassExcludes";
+        TransformFlags[TransformFlags["ModuleExcludes"] = 589443072] = "ModuleExcludes";
+        TransformFlags[TransformFlags["TypeExcludes"] = -2] = "TypeExcludes";
+        TransformFlags[TransformFlags["ObjectLiteralExcludes"] = 536973312] = "ObjectLiteralExcludes";
+        TransformFlags[TransformFlags["ArrayLiteralOrCallOrNewExcludes"] = 536887296] = "ArrayLiteralOrCallOrNewExcludes";
+        TransformFlags[TransformFlags["VariableDeclarationListExcludes"] = 537165824] = "VariableDeclarationListExcludes";
+        TransformFlags[TransformFlags["ParameterExcludes"] = 536870912] = "ParameterExcludes";
+        TransformFlags[TransformFlags["CatchClauseExcludes"] = 536903680] = "CatchClauseExcludes";
+        TransformFlags[TransformFlags["BindingPatternExcludes"] = 536887296] = "BindingPatternExcludes";
+        TransformFlags[TransformFlags["ContainsLexicalThisOrSuper"] = 33562624] = "ContainsLexicalThisOrSuper";
+        // Propagating flags
+        // - Bitmasks for flags that should propagate from a child
+        TransformFlags[TransformFlags["PropertyNamePropagatingFlags"] = 33562624] = "PropertyNamePropagatingFlags";
+        // Masks
+        // - Additional bitmasks
+    })(TransformFlags = ts.TransformFlags || (ts.TransformFlags = {}));
+    // Reference: https://code.visualstudio.com/docs/editor/userdefinedsnippets#_snippet-syntax
+    /* @internal */
+    var SnippetKind;
+    (function (SnippetKind) {
+        SnippetKind[SnippetKind["TabStop"] = 0] = "TabStop";
+        SnippetKind[SnippetKind["Placeholder"] = 1] = "Placeholder";
+        SnippetKind[SnippetKind["Choice"] = 2] = "Choice";
+        SnippetKind[SnippetKind["Variable"] = 3] = "Variable";
+    })(SnippetKind = ts.SnippetKind || (ts.SnippetKind = {}));
+    var EmitFlags;
+    (function (EmitFlags) {
+        EmitFlags[EmitFlags["None"] = 0] = "None";
+        EmitFlags[EmitFlags["SingleLine"] = 1] = "SingleLine";
+        EmitFlags[EmitFlags["AdviseOnEmitNode"] = 2] = "AdviseOnEmitNode";
+        EmitFlags[EmitFlags["NoSubstitution"] = 4] = "NoSubstitution";
+        EmitFlags[EmitFlags["CapturesThis"] = 8] = "CapturesThis";
+        EmitFlags[EmitFlags["NoLeadingSourceMap"] = 16] = "NoLeadingSourceMap";
+        EmitFlags[EmitFlags["NoTrailingSourceMap"] = 32] = "NoTrailingSourceMap";
+        EmitFlags[EmitFlags["NoSourceMap"] = 48] = "NoSourceMap";
+        EmitFlags[EmitFlags["NoNestedSourceMaps"] = 64] = "NoNestedSourceMaps";
+        EmitFlags[EmitFlags["NoTokenLeadingSourceMaps"] = 128] = "NoTokenLeadingSourceMaps";
+        EmitFlags[EmitFlags["NoTokenTrailingSourceMaps"] = 256] = "NoTokenTrailingSourceMaps";
+        EmitFlags[EmitFlags["NoTokenSourceMaps"] = 384] = "NoTokenSourceMaps";
+        EmitFlags[EmitFlags["NoLeadingComments"] = 512] = "NoLeadingComments";
+        EmitFlags[EmitFlags["NoTrailingComments"] = 1024] = "NoTrailingComments";
+        EmitFlags[EmitFlags["NoComments"] = 1536] = "NoComments";
+        EmitFlags[EmitFlags["NoNestedComments"] = 2048] = "NoNestedComments";
+        EmitFlags[EmitFlags["HelperName"] = 4096] = "HelperName";
+        EmitFlags[EmitFlags["ExportName"] = 8192] = "ExportName";
+        EmitFlags[EmitFlags["LocalName"] = 16384] = "LocalName";
+        EmitFlags[EmitFlags["InternalName"] = 32768] = "InternalName";
+        EmitFlags[EmitFlags["Indented"] = 65536] = "Indented";
+        EmitFlags[EmitFlags["NoIndentation"] = 131072] = "NoIndentation";
+        EmitFlags[EmitFlags["AsyncFunctionBody"] = 262144] = "AsyncFunctionBody";
+        EmitFlags[EmitFlags["ReuseTempVariableScope"] = 524288] = "ReuseTempVariableScope";
+        EmitFlags[EmitFlags["CustomPrologue"] = 1048576] = "CustomPrologue";
+        EmitFlags[EmitFlags["NoHoisting"] = 2097152] = "NoHoisting";
+        EmitFlags[EmitFlags["HasEndOfDeclarationMarker"] = 4194304] = "HasEndOfDeclarationMarker";
+        EmitFlags[EmitFlags["Iterator"] = 8388608] = "Iterator";
+        EmitFlags[EmitFlags["NoAsciiEscaping"] = 16777216] = "NoAsciiEscaping";
+        /*@internal*/ EmitFlags[EmitFlags["TypeScriptClassWrapper"] = 33554432] = "TypeScriptClassWrapper";
+        /*@internal*/ EmitFlags[EmitFlags["NeverApplyImportHelper"] = 67108864] = "NeverApplyImportHelper";
+        /*@internal*/ EmitFlags[EmitFlags["IgnoreSourceNewlines"] = 134217728] = "IgnoreSourceNewlines";
+        /*@internal*/ EmitFlags[EmitFlags["Immutable"] = 268435456] = "Immutable";
+        /*@internal*/ EmitFlags[EmitFlags["IndirectCall"] = 536870912] = "IndirectCall";
+    })(EmitFlags = ts.EmitFlags || (ts.EmitFlags = {}));
+    /**
+     * Used by the checker, this enum keeps track of external emit helpers that should be type
+     * checked.
+     */
+    /* @internal */
+    var ExternalEmitHelpers;
+    (function (ExternalEmitHelpers) {
+        ExternalEmitHelpers[ExternalEmitHelpers["Extends"] = 1] = "Extends";
+        ExternalEmitHelpers[ExternalEmitHelpers["Assign"] = 2] = "Assign";
+        ExternalEmitHelpers[ExternalEmitHelpers["Rest"] = 4] = "Rest";
+        ExternalEmitHelpers[ExternalEmitHelpers["Decorate"] = 8] = "Decorate";
+        ExternalEmitHelpers[ExternalEmitHelpers["Metadata"] = 16] = "Metadata";
+        ExternalEmitHelpers[ExternalEmitHelpers["Param"] = 32] = "Param";
+        ExternalEmitHelpers[ExternalEmitHelpers["Awaiter"] = 64] = "Awaiter";
+        ExternalEmitHelpers[ExternalEmitHelpers["Generator"] = 128] = "Generator";
+        ExternalEmitHelpers[ExternalEmitHelpers["Values"] = 256] = "Values";
+        ExternalEmitHelpers[ExternalEmitHelpers["Read"] = 512] = "Read";
+        ExternalEmitHelpers[ExternalEmitHelpers["SpreadArray"] = 1024] = "SpreadArray";
+        ExternalEmitHelpers[ExternalEmitHelpers["Await"] = 2048] = "Await";
+        ExternalEmitHelpers[ExternalEmitHelpers["AsyncGenerator"] = 4096] = "AsyncGenerator";
+        ExternalEmitHelpers[ExternalEmitHelpers["AsyncDelegator"] = 8192] = "AsyncDelegator";
+        ExternalEmitHelpers[ExternalEmitHelpers["AsyncValues"] = 16384] = "AsyncValues";
+        ExternalEmitHelpers[ExternalEmitHelpers["ExportStar"] = 32768] = "ExportStar";
+        ExternalEmitHelpers[ExternalEmitHelpers["ImportStar"] = 65536] = "ImportStar";
+        ExternalEmitHelpers[ExternalEmitHelpers["ImportDefault"] = 131072] = "ImportDefault";
+        ExternalEmitHelpers[ExternalEmitHelpers["MakeTemplateObject"] = 262144] = "MakeTemplateObject";
+        ExternalEmitHelpers[ExternalEmitHelpers["ClassPrivateFieldGet"] = 524288] = "ClassPrivateFieldGet";
+        ExternalEmitHelpers[ExternalEmitHelpers["ClassPrivateFieldSet"] = 1048576] = "ClassPrivateFieldSet";
+        ExternalEmitHelpers[ExternalEmitHelpers["ClassPrivateFieldIn"] = 2097152] = "ClassPrivateFieldIn";
+        ExternalEmitHelpers[ExternalEmitHelpers["CreateBinding"] = 4194304] = "CreateBinding";
+        ExternalEmitHelpers[ExternalEmitHelpers["FirstEmitHelper"] = 1] = "FirstEmitHelper";
+        ExternalEmitHelpers[ExternalEmitHelpers["LastEmitHelper"] = 4194304] = "LastEmitHelper";
+        // Helpers included by ES2015 for..of
+        ExternalEmitHelpers[ExternalEmitHelpers["ForOfIncludes"] = 256] = "ForOfIncludes";
+        // Helpers included by ES2017 for..await..of
+        ExternalEmitHelpers[ExternalEmitHelpers["ForAwaitOfIncludes"] = 16384] = "ForAwaitOfIncludes";
+        // Helpers included by ES2017 async generators
+        ExternalEmitHelpers[ExternalEmitHelpers["AsyncGeneratorIncludes"] = 6144] = "AsyncGeneratorIncludes";
+        // Helpers included by yield* in ES2017 async generators
+        ExternalEmitHelpers[ExternalEmitHelpers["AsyncDelegatorIncludes"] = 26624] = "AsyncDelegatorIncludes";
+        // Helpers included by ES2015 spread
+        ExternalEmitHelpers[ExternalEmitHelpers["SpreadIncludes"] = 1536] = "SpreadIncludes";
+    })(ExternalEmitHelpers = ts.ExternalEmitHelpers || (ts.ExternalEmitHelpers = {}));
+    var EmitHint;
+    (function (EmitHint) {
+        EmitHint[EmitHint["SourceFile"] = 0] = "SourceFile";
+        EmitHint[EmitHint["Expression"] = 1] = "Expression";
+        EmitHint[EmitHint["IdentifierName"] = 2] = "IdentifierName";
+        EmitHint[EmitHint["MappedTypeParameter"] = 3] = "MappedTypeParameter";
+        EmitHint[EmitHint["Unspecified"] = 4] = "Unspecified";
+        EmitHint[EmitHint["EmbeddedStatement"] = 5] = "EmbeddedStatement";
+        EmitHint[EmitHint["JsxAttributeValue"] = 6] = "JsxAttributeValue";
+    })(EmitHint = ts.EmitHint || (ts.EmitHint = {}));
+    var OuterExpressionKinds;
+    (function (OuterExpressionKinds) {
+        OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses";
+        OuterExpressionKinds[OuterExpressionKinds["TypeAssertions"] = 2] = "TypeAssertions";
+        OuterExpressionKinds[OuterExpressionKinds["NonNullAssertions"] = 4] = "NonNullAssertions";
+        OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 8] = "PartiallyEmittedExpressions";
+        OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 6] = "Assertions";
+        OuterExpressionKinds[OuterExpressionKinds["All"] = 15] = "All";
+        OuterExpressionKinds[OuterExpressionKinds["ExcludeJSDocTypeAssertion"] = 16] = "ExcludeJSDocTypeAssertion";
+    })(OuterExpressionKinds = ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {}));
+    /* @internal */
+    var LexicalEnvironmentFlags;
+    (function (LexicalEnvironmentFlags) {
+        LexicalEnvironmentFlags[LexicalEnvironmentFlags["None"] = 0] = "None";
+        LexicalEnvironmentFlags[LexicalEnvironmentFlags["InParameters"] = 1] = "InParameters";
+        LexicalEnvironmentFlags[LexicalEnvironmentFlags["VariablesHoistedInParameters"] = 2] = "VariablesHoistedInParameters"; // a temp variable was hoisted while visiting a parameter list
+    })(LexicalEnvironmentFlags = ts.LexicalEnvironmentFlags || (ts.LexicalEnvironmentFlags = {}));
+    /*@internal*/
+    var BundleFileSectionKind;
+    (function (BundleFileSectionKind) {
+        BundleFileSectionKind["Prologue"] = "prologue";
+        BundleFileSectionKind["EmitHelpers"] = "emitHelpers";
+        BundleFileSectionKind["NoDefaultLib"] = "no-default-lib";
+        BundleFileSectionKind["Reference"] = "reference";
+        BundleFileSectionKind["Type"] = "type";
+        BundleFileSectionKind["TypeResolutionModeRequire"] = "type-require";
+        BundleFileSectionKind["TypeResolutionModeImport"] = "type-import";
+        BundleFileSectionKind["Lib"] = "lib";
+        BundleFileSectionKind["Prepend"] = "prepend";
+        BundleFileSectionKind["Text"] = "text";
+        BundleFileSectionKind["Internal"] = "internal";
+        // comments?
+    })(BundleFileSectionKind = ts.BundleFileSectionKind || (ts.BundleFileSectionKind = {}));
+    var ListFormat;
+    (function (ListFormat) {
+        ListFormat[ListFormat["None"] = 0] = "None";
+        // Line separators
+        ListFormat[ListFormat["SingleLine"] = 0] = "SingleLine";
+        ListFormat[ListFormat["MultiLine"] = 1] = "MultiLine";
+        ListFormat[ListFormat["PreserveLines"] = 2] = "PreserveLines";
+        ListFormat[ListFormat["LinesMask"] = 3] = "LinesMask";
+        // Delimiters
+        ListFormat[ListFormat["NotDelimited"] = 0] = "NotDelimited";
+        ListFormat[ListFormat["BarDelimited"] = 4] = "BarDelimited";
+        ListFormat[ListFormat["AmpersandDelimited"] = 8] = "AmpersandDelimited";
+        ListFormat[ListFormat["CommaDelimited"] = 16] = "CommaDelimited";
+        ListFormat[ListFormat["AsteriskDelimited"] = 32] = "AsteriskDelimited";
+        ListFormat[ListFormat["DelimitersMask"] = 60] = "DelimitersMask";
+        ListFormat[ListFormat["AllowTrailingComma"] = 64] = "AllowTrailingComma";
+        // Whitespace
+        ListFormat[ListFormat["Indented"] = 128] = "Indented";
+        ListFormat[ListFormat["SpaceBetweenBraces"] = 256] = "SpaceBetweenBraces";
+        ListFormat[ListFormat["SpaceBetweenSiblings"] = 512] = "SpaceBetweenSiblings";
+        // Brackets/Braces
+        ListFormat[ListFormat["Braces"] = 1024] = "Braces";
+        ListFormat[ListFormat["Parenthesis"] = 2048] = "Parenthesis";
+        ListFormat[ListFormat["AngleBrackets"] = 4096] = "AngleBrackets";
+        ListFormat[ListFormat["SquareBrackets"] = 8192] = "SquareBrackets";
+        ListFormat[ListFormat["BracketsMask"] = 15360] = "BracketsMask";
+        ListFormat[ListFormat["OptionalIfUndefined"] = 16384] = "OptionalIfUndefined";
+        ListFormat[ListFormat["OptionalIfEmpty"] = 32768] = "OptionalIfEmpty";
+        ListFormat[ListFormat["Optional"] = 49152] = "Optional";
+        // Other
+        ListFormat[ListFormat["PreferNewLine"] = 65536] = "PreferNewLine";
+        ListFormat[ListFormat["NoTrailingNewLine"] = 131072] = "NoTrailingNewLine";
+        ListFormat[ListFormat["NoInterveningComments"] = 262144] = "NoInterveningComments";
+        ListFormat[ListFormat["NoSpaceIfEmpty"] = 524288] = "NoSpaceIfEmpty";
+        ListFormat[ListFormat["SingleElement"] = 1048576] = "SingleElement";
+        ListFormat[ListFormat["SpaceAfterList"] = 2097152] = "SpaceAfterList";
+        // Precomputed Formats
+        ListFormat[ListFormat["Modifiers"] = 262656] = "Modifiers";
+        ListFormat[ListFormat["HeritageClauses"] = 512] = "HeritageClauses";
+        ListFormat[ListFormat["SingleLineTypeLiteralMembers"] = 768] = "SingleLineTypeLiteralMembers";
+        ListFormat[ListFormat["MultiLineTypeLiteralMembers"] = 32897] = "MultiLineTypeLiteralMembers";
+        ListFormat[ListFormat["SingleLineTupleTypeElements"] = 528] = "SingleLineTupleTypeElements";
+        ListFormat[ListFormat["MultiLineTupleTypeElements"] = 657] = "MultiLineTupleTypeElements";
+        ListFormat[ListFormat["UnionTypeConstituents"] = 516] = "UnionTypeConstituents";
+        ListFormat[ListFormat["IntersectionTypeConstituents"] = 520] = "IntersectionTypeConstituents";
+        ListFormat[ListFormat["ObjectBindingPatternElements"] = 525136] = "ObjectBindingPatternElements";
+        ListFormat[ListFormat["ArrayBindingPatternElements"] = 524880] = "ArrayBindingPatternElements";
+        ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 526226] = "ObjectLiteralExpressionProperties";
+        ListFormat[ListFormat["ImportClauseEntries"] = 526226] = "ImportClauseEntries";
+        ListFormat[ListFormat["ArrayLiteralExpressionElements"] = 8914] = "ArrayLiteralExpressionElements";
+        ListFormat[ListFormat["CommaListElements"] = 528] = "CommaListElements";
+        ListFormat[ListFormat["CallExpressionArguments"] = 2576] = "CallExpressionArguments";
+        ListFormat[ListFormat["NewExpressionArguments"] = 18960] = "NewExpressionArguments";
+        ListFormat[ListFormat["TemplateExpressionSpans"] = 262144] = "TemplateExpressionSpans";
+        ListFormat[ListFormat["SingleLineBlockStatements"] = 768] = "SingleLineBlockStatements";
+        ListFormat[ListFormat["MultiLineBlockStatements"] = 129] = "MultiLineBlockStatements";
+        ListFormat[ListFormat["VariableDeclarationList"] = 528] = "VariableDeclarationList";
+        ListFormat[ListFormat["SingleLineFunctionBodyStatements"] = 768] = "SingleLineFunctionBodyStatements";
+        ListFormat[ListFormat["MultiLineFunctionBodyStatements"] = 1] = "MultiLineFunctionBodyStatements";
+        ListFormat[ListFormat["ClassHeritageClauses"] = 0] = "ClassHeritageClauses";
+        ListFormat[ListFormat["ClassMembers"] = 129] = "ClassMembers";
+        ListFormat[ListFormat["InterfaceMembers"] = 129] = "InterfaceMembers";
+        ListFormat[ListFormat["EnumMembers"] = 145] = "EnumMembers";
+        ListFormat[ListFormat["CaseBlockClauses"] = 129] = "CaseBlockClauses";
+        ListFormat[ListFormat["NamedImportsOrExportsElements"] = 525136] = "NamedImportsOrExportsElements";
+        ListFormat[ListFormat["JsxElementOrFragmentChildren"] = 262144] = "JsxElementOrFragmentChildren";
+        ListFormat[ListFormat["JsxElementAttributes"] = 262656] = "JsxElementAttributes";
+        ListFormat[ListFormat["CaseOrDefaultClauseStatements"] = 163969] = "CaseOrDefaultClauseStatements";
+        ListFormat[ListFormat["HeritageClauseTypes"] = 528] = "HeritageClauseTypes";
+        ListFormat[ListFormat["SourceFileStatements"] = 131073] = "SourceFileStatements";
+        ListFormat[ListFormat["Decorators"] = 2146305] = "Decorators";
+        ListFormat[ListFormat["TypeArguments"] = 53776] = "TypeArguments";
+        ListFormat[ListFormat["TypeParameters"] = 53776] = "TypeParameters";
+        ListFormat[ListFormat["Parameters"] = 2576] = "Parameters";
+        ListFormat[ListFormat["IndexSignatureParameters"] = 8848] = "IndexSignatureParameters";
+        ListFormat[ListFormat["JSDocComment"] = 33] = "JSDocComment";
+    })(ListFormat = ts.ListFormat || (ts.ListFormat = {}));
+    /* @internal */
+    var PragmaKindFlags;
+    (function (PragmaKindFlags) {
+        PragmaKindFlags[PragmaKindFlags["None"] = 0] = "None";
+        /**
+         * Triple slash comment of the form
+         * /// 
+         */
+        PragmaKindFlags[PragmaKindFlags["TripleSlashXML"] = 1] = "TripleSlashXML";
+        /**
+         * Single line comment of the form
+         * // @pragma-name argval1 argval2
+         * or
+         * /// @pragma-name argval1 argval2
+         */
+        PragmaKindFlags[PragmaKindFlags["SingleLine"] = 2] = "SingleLine";
+        /**
+         * Multiline non-jsdoc pragma of the form
+         * /* @pragma-name argval1 argval2 * /
+         */
+        PragmaKindFlags[PragmaKindFlags["MultiLine"] = 4] = "MultiLine";
+        PragmaKindFlags[PragmaKindFlags["All"] = 7] = "All";
+        PragmaKindFlags[PragmaKindFlags["Default"] = 7] = "Default";
+    })(PragmaKindFlags = ts.PragmaKindFlags || (ts.PragmaKindFlags = {}));
+    // While not strictly a type, this is here because `PragmaMap` needs to be here to be used with `SourceFile`, and we don't
+    //  fancy effectively defining it twice, once in value-space and once in type-space
+    /* @internal */
+    ts.commentPragmas = {
+        "reference": {
+            args: [
+                { name: "types", optional: true, captureSpan: true },
+                { name: "lib", optional: true, captureSpan: true },
+                { name: "path", optional: true, captureSpan: true },
+                { name: "no-default-lib", optional: true },
+                { name: "resolution-mode", optional: true }
+            ],
+            kind: 1 /* PragmaKindFlags.TripleSlashXML */
+        },
+        "amd-dependency": {
+            args: [{ name: "path" }, { name: "name", optional: true }],
+            kind: 1 /* PragmaKindFlags.TripleSlashXML */
+        },
+        "amd-module": {
+            args: [{ name: "name" }],
+            kind: 1 /* PragmaKindFlags.TripleSlashXML */
+        },
+        "ts-check": {
+            kind: 2 /* PragmaKindFlags.SingleLine */
+        },
+        "ts-nocheck": {
+            kind: 2 /* PragmaKindFlags.SingleLine */
+        },
+        "jsx": {
+            args: [{ name: "factory" }],
+            kind: 4 /* PragmaKindFlags.MultiLine */
+        },
+        "jsxfrag": {
+            args: [{ name: "factory" }],
+            kind: 4 /* PragmaKindFlags.MultiLine */
+        },
+        "jsximportsource": {
+            args: [{ name: "factory" }],
+            kind: 4 /* PragmaKindFlags.MultiLine */
+        },
+        "jsxruntime": {
+            args: [{ name: "factory" }],
+            kind: 4 /* PragmaKindFlags.MultiLine */
+        },
+    };
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    /**
+     * djb2 hashing algorithm
+     * http://www.cse.yorku.ca/~oz/hash.html
+     */
+    /* @internal */
+    function generateDjb2Hash(data) {
+        var acc = 5381;
+        for (var i = 0; i < data.length; i++) {
+            acc = ((acc << 5) + acc) + data.charCodeAt(i);
+        }
+        return acc.toString();
+    }
+    ts.generateDjb2Hash = generateDjb2Hash;
+    /**
+     * Set a high stack trace limit to provide more information in case of an error.
+     * Called for command-line and server use cases.
+     * Not called if TypeScript is used as a library.
+     */
+    /* @internal */
+    function setStackTraceLimit() {
+        if (Error.stackTraceLimit < 100) { // Also tests that we won't set the property if it doesn't exist.
+            Error.stackTraceLimit = 100;
+        }
+    }
+    ts.setStackTraceLimit = setStackTraceLimit;
+    var FileWatcherEventKind;
+    (function (FileWatcherEventKind) {
+        FileWatcherEventKind[FileWatcherEventKind["Created"] = 0] = "Created";
+        FileWatcherEventKind[FileWatcherEventKind["Changed"] = 1] = "Changed";
+        FileWatcherEventKind[FileWatcherEventKind["Deleted"] = 2] = "Deleted";
+    })(FileWatcherEventKind = ts.FileWatcherEventKind || (ts.FileWatcherEventKind = {}));
+    /* @internal */
+    var PollingInterval;
+    (function (PollingInterval) {
+        PollingInterval[PollingInterval["High"] = 2000] = "High";
+        PollingInterval[PollingInterval["Medium"] = 500] = "Medium";
+        PollingInterval[PollingInterval["Low"] = 250] = "Low";
+    })(PollingInterval = ts.PollingInterval || (ts.PollingInterval = {}));
+    /* @internal */
+    ts.missingFileModifiedTime = new Date(0); // Any subsequent modification will occur after this time
+    /* @internal */
+    function getModifiedTime(host, fileName) {
+        return host.getModifiedTime(fileName) || ts.missingFileModifiedTime;
+    }
+    ts.getModifiedTime = getModifiedTime;
+    function createPollingIntervalBasedLevels(levels) {
+        var _a;
+        return _a = {},
+            _a[PollingInterval.Low] = levels.Low,
+            _a[PollingInterval.Medium] = levels.Medium,
+            _a[PollingInterval.High] = levels.High,
+            _a;
+    }
+    var defaultChunkLevels = { Low: 32, Medium: 64, High: 256 };
+    var pollingChunkSize = createPollingIntervalBasedLevels(defaultChunkLevels);
+    /* @internal */
+    ts.unchangedPollThresholds = createPollingIntervalBasedLevels(defaultChunkLevels);
+    /* @internal */
+    function setCustomPollingValues(system) {
+        if (!system.getEnvironmentVariable) {
+            return;
+        }
+        var pollingIntervalChanged = setCustomLevels("TSC_WATCH_POLLINGINTERVAL", PollingInterval);
+        pollingChunkSize = getCustomPollingBasedLevels("TSC_WATCH_POLLINGCHUNKSIZE", defaultChunkLevels) || pollingChunkSize;
+        ts.unchangedPollThresholds = getCustomPollingBasedLevels("TSC_WATCH_UNCHANGEDPOLLTHRESHOLDS", defaultChunkLevels) || ts.unchangedPollThresholds;
+        function getLevel(envVar, level) {
+            return system.getEnvironmentVariable("".concat(envVar, "_").concat(level.toUpperCase()));
+        }
+        function getCustomLevels(baseVariable) {
+            var customLevels;
+            setCustomLevel("Low");
+            setCustomLevel("Medium");
+            setCustomLevel("High");
+            return customLevels;
+            function setCustomLevel(level) {
+                var customLevel = getLevel(baseVariable, level);
+                if (customLevel) {
+                    (customLevels || (customLevels = {}))[level] = Number(customLevel);
+                }
+            }
+        }
+        function setCustomLevels(baseVariable, levels) {
+            var customLevels = getCustomLevels(baseVariable);
+            if (customLevels) {
+                setLevel("Low");
+                setLevel("Medium");
+                setLevel("High");
+                return true;
+            }
+            return false;
+            function setLevel(level) {
+                levels[level] = customLevels[level] || levels[level];
+            }
+        }
+        function getCustomPollingBasedLevels(baseVariable, defaultLevels) {
+            var customLevels = getCustomLevels(baseVariable);
+            return (pollingIntervalChanged || customLevels) &&
+                createPollingIntervalBasedLevels(customLevels ? __assign(__assign({}, defaultLevels), customLevels) : defaultLevels);
+        }
+    }
+    ts.setCustomPollingValues = setCustomPollingValues;
+    function pollWatchedFileQueue(host, queue, pollIndex, chunkSize, callbackOnWatchFileStat) {
+        var definedValueCopyToIndex = pollIndex;
+        // Max visit would be all elements of the queue
+        for (var canVisit = queue.length; chunkSize && canVisit; nextPollIndex(), canVisit--) {
+            var watchedFile = queue[pollIndex];
+            if (!watchedFile) {
+                continue;
+            }
+            else if (watchedFile.isClosed) {
+                queue[pollIndex] = undefined;
+                continue;
+            }
+            // Only files polled count towards chunkSize
+            chunkSize--;
+            var fileChanged = onWatchedFileStat(watchedFile, getModifiedTime(host, watchedFile.fileName));
+            if (watchedFile.isClosed) {
+                // Closed watcher as part of callback
+                queue[pollIndex] = undefined;
+                continue;
+            }
+            callbackOnWatchFileStat === null || callbackOnWatchFileStat === void 0 ? void 0 : callbackOnWatchFileStat(watchedFile, pollIndex, fileChanged);
+            // Defragment the queue while we are at it
+            if (queue[pollIndex]) {
+                // Copy this file to the non hole location
+                if (definedValueCopyToIndex < pollIndex) {
+                    queue[definedValueCopyToIndex] = watchedFile;
+                    queue[pollIndex] = undefined;
+                }
+                definedValueCopyToIndex++;
+            }
+        }
+        // Return next poll index
+        return pollIndex;
+        function nextPollIndex() {
+            pollIndex++;
+            if (pollIndex === queue.length) {
+                if (definedValueCopyToIndex < pollIndex) {
+                    // There are holes from definedValueCopyToIndex to end of queue, change queue size
+                    queue.length = definedValueCopyToIndex;
+                }
+                pollIndex = 0;
+                definedValueCopyToIndex = 0;
+            }
+        }
+    }
+    /* @internal */
+    function createDynamicPriorityPollingWatchFile(host) {
+        var watchedFiles = [];
+        var changedFilesInLastPoll = [];
+        var lowPollingIntervalQueue = createPollingIntervalQueue(PollingInterval.Low);
+        var mediumPollingIntervalQueue = createPollingIntervalQueue(PollingInterval.Medium);
+        var highPollingIntervalQueue = createPollingIntervalQueue(PollingInterval.High);
+        return watchFile;
+        function watchFile(fileName, callback, defaultPollingInterval) {
+            var file = {
+                fileName: fileName,
+                callback: callback,
+                unchangedPolls: 0,
+                mtime: getModifiedTime(host, fileName)
+            };
+            watchedFiles.push(file);
+            addToPollingIntervalQueue(file, defaultPollingInterval);
+            return {
+                close: function () {
+                    file.isClosed = true;
+                    // Remove from watchedFiles
+                    ts.unorderedRemoveItem(watchedFiles, file);
+                    // Do not update polling interval queue since that will happen as part of polling
+                }
+            };
+        }
+        function createPollingIntervalQueue(pollingInterval) {
+            var queue = [];
+            queue.pollingInterval = pollingInterval;
+            queue.pollIndex = 0;
+            queue.pollScheduled = false;
+            return queue;
+        }
+        function pollPollingIntervalQueue(queue) {
+            queue.pollIndex = pollQueue(queue, queue.pollingInterval, queue.pollIndex, pollingChunkSize[queue.pollingInterval]);
+            // Set the next polling index and timeout
+            if (queue.length) {
+                scheduleNextPoll(queue.pollingInterval);
+            }
+            else {
+                ts.Debug.assert(queue.pollIndex === 0);
+                queue.pollScheduled = false;
+            }
+        }
+        function pollLowPollingIntervalQueue(queue) {
+            // Always poll complete list of changedFilesInLastPoll
+            pollQueue(changedFilesInLastPoll, PollingInterval.Low, /*pollIndex*/ 0, changedFilesInLastPoll.length);
+            // Finally do the actual polling of the queue
+            pollPollingIntervalQueue(queue);
+            // Schedule poll if there are files in changedFilesInLastPoll but no files in the actual queue
+            // as pollPollingIntervalQueue wont schedule for next poll
+            if (!queue.pollScheduled && changedFilesInLastPoll.length) {
+                scheduleNextPoll(PollingInterval.Low);
+            }
+        }
+        function pollQueue(queue, pollingInterval, pollIndex, chunkSize) {
+            return pollWatchedFileQueue(host, queue, pollIndex, chunkSize, onWatchFileStat);
+            function onWatchFileStat(watchedFile, pollIndex, fileChanged) {
+                if (fileChanged) {
+                    watchedFile.unchangedPolls = 0;
+                    // Changed files go to changedFilesInLastPoll queue
+                    if (queue !== changedFilesInLastPoll) {
+                        queue[pollIndex] = undefined;
+                        addChangedFileToLowPollingIntervalQueue(watchedFile);
+                    }
+                }
+                else if (watchedFile.unchangedPolls !== ts.unchangedPollThresholds[pollingInterval]) {
+                    watchedFile.unchangedPolls++;
+                }
+                else if (queue === changedFilesInLastPoll) {
+                    // Restart unchangedPollCount for unchanged file and move to low polling interval queue
+                    watchedFile.unchangedPolls = 1;
+                    queue[pollIndex] = undefined;
+                    addToPollingIntervalQueue(watchedFile, PollingInterval.Low);
+                }
+                else if (pollingInterval !== PollingInterval.High) {
+                    watchedFile.unchangedPolls++;
+                    queue[pollIndex] = undefined;
+                    addToPollingIntervalQueue(watchedFile, pollingInterval === PollingInterval.Low ? PollingInterval.Medium : PollingInterval.High);
+                }
+            }
+        }
+        function pollingIntervalQueue(pollingInterval) {
+            switch (pollingInterval) {
+                case PollingInterval.Low:
+                    return lowPollingIntervalQueue;
+                case PollingInterval.Medium:
+                    return mediumPollingIntervalQueue;
+                case PollingInterval.High:
+                    return highPollingIntervalQueue;
+            }
+        }
+        function addToPollingIntervalQueue(file, pollingInterval) {
+            pollingIntervalQueue(pollingInterval).push(file);
+            scheduleNextPollIfNotAlreadyScheduled(pollingInterval);
+        }
+        function addChangedFileToLowPollingIntervalQueue(file) {
+            changedFilesInLastPoll.push(file);
+            scheduleNextPollIfNotAlreadyScheduled(PollingInterval.Low);
+        }
+        function scheduleNextPollIfNotAlreadyScheduled(pollingInterval) {
+            if (!pollingIntervalQueue(pollingInterval).pollScheduled) {
+                scheduleNextPoll(pollingInterval);
+            }
+        }
+        function scheduleNextPoll(pollingInterval) {
+            pollingIntervalQueue(pollingInterval).pollScheduled = host.setTimeout(pollingInterval === PollingInterval.Low ? pollLowPollingIntervalQueue : pollPollingIntervalQueue, pollingInterval, pollingIntervalQueue(pollingInterval));
+        }
+    }
+    ts.createDynamicPriorityPollingWatchFile = createDynamicPriorityPollingWatchFile;
+    function createUseFsEventsOnParentDirectoryWatchFile(fsWatch, useCaseSensitiveFileNames) {
+        // One file can have multiple watchers
+        var fileWatcherCallbacks = ts.createMultiMap();
+        var dirWatchers = new ts.Map();
+        var toCanonicalName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
+        return nonPollingWatchFile;
+        function nonPollingWatchFile(fileName, callback, _pollingInterval, fallbackOptions) {
+            var filePath = toCanonicalName(fileName);
+            fileWatcherCallbacks.add(filePath, callback);
+            var dirPath = ts.getDirectoryPath(filePath) || ".";
+            var watcher = dirWatchers.get(dirPath) ||
+                createDirectoryWatcher(ts.getDirectoryPath(fileName) || ".", dirPath, fallbackOptions);
+            watcher.referenceCount++;
+            return {
+                close: function () {
+                    if (watcher.referenceCount === 1) {
+                        watcher.close();
+                        dirWatchers.delete(dirPath);
+                    }
+                    else {
+                        watcher.referenceCount--;
+                    }
+                    fileWatcherCallbacks.remove(filePath, callback);
+                }
+            };
+        }
+        function createDirectoryWatcher(dirName, dirPath, fallbackOptions) {
+            var watcher = fsWatch(dirName, 1 /* FileSystemEntryKind.Directory */, function (_eventName, relativeFileName) {
+                // When files are deleted from disk, the triggered "rename" event would have a relativefileName of "undefined"
+                if (!ts.isString(relativeFileName))
+                    return;
+                var fileName = ts.getNormalizedAbsolutePath(relativeFileName, dirName);
+                // Some applications save a working file via rename operations
+                var callbacks = fileName && fileWatcherCallbacks.get(toCanonicalName(fileName));
+                if (callbacks) {
+                    for (var _i = 0, callbacks_1 = callbacks; _i < callbacks_1.length; _i++) {
+                        var fileCallback = callbacks_1[_i];
+                        fileCallback(fileName, FileWatcherEventKind.Changed);
+                    }
+                }
+            }, 
+            /*recursive*/ false, PollingInterval.Medium, fallbackOptions);
+            watcher.referenceCount = 0;
+            dirWatchers.set(dirPath, watcher);
+            return watcher;
+        }
+    }
+    function createFixedChunkSizePollingWatchFile(host) {
+        var watchedFiles = [];
+        var pollIndex = 0;
+        var pollScheduled;
+        return watchFile;
+        function watchFile(fileName, callback) {
+            var file = {
+                fileName: fileName,
+                callback: callback,
+                mtime: getModifiedTime(host, fileName)
+            };
+            watchedFiles.push(file);
+            scheduleNextPoll();
+            return {
+                close: function () {
+                    file.isClosed = true;
+                    ts.unorderedRemoveItem(watchedFiles, file);
+                }
+            };
+        }
+        function pollQueue() {
+            pollScheduled = undefined;
+            pollIndex = pollWatchedFileQueue(host, watchedFiles, pollIndex, pollingChunkSize[PollingInterval.Low]);
+            scheduleNextPoll();
+        }
+        function scheduleNextPoll() {
+            if (!watchedFiles.length || pollScheduled)
+                return;
+            pollScheduled = host.setTimeout(pollQueue, PollingInterval.High);
+        }
+    }
+    /* @internal */
+    function createSingleFileWatcherPerName(watchFile, useCaseSensitiveFileNames) {
+        var cache = new ts.Map();
+        var callbacksCache = ts.createMultiMap();
+        var toCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
+        return function (fileName, callback, pollingInterval, options) {
+            var path = toCanonicalFileName(fileName);
+            var existing = cache.get(path);
+            if (existing) {
+                existing.refCount++;
+            }
+            else {
+                cache.set(path, {
+                    watcher: watchFile(fileName, function (fileName, eventKind) { return ts.forEach(callbacksCache.get(path), function (cb) { return cb(fileName, eventKind); }); }, pollingInterval, options),
+                    refCount: 1
+                });
+            }
+            callbacksCache.add(path, callback);
+            return {
+                close: function () {
+                    var watcher = ts.Debug.checkDefined(cache.get(path));
+                    callbacksCache.remove(path, callback);
+                    watcher.refCount--;
+                    if (watcher.refCount)
+                        return;
+                    cache.delete(path);
+                    ts.closeFileWatcherOf(watcher);
+                }
+            };
+        };
+    }
+    ts.createSingleFileWatcherPerName = createSingleFileWatcherPerName;
+    /**
+     * Returns true if file status changed
+     */
+    /*@internal*/
+    function onWatchedFileStat(watchedFile, modifiedTime) {
+        var oldTime = watchedFile.mtime.getTime();
+        var newTime = modifiedTime.getTime();
+        if (oldTime !== newTime) {
+            watchedFile.mtime = modifiedTime;
+            watchedFile.callback(watchedFile.fileName, getFileWatcherEventKind(oldTime, newTime));
+            return true;
+        }
+        return false;
+    }
+    ts.onWatchedFileStat = onWatchedFileStat;
+    /*@internal*/
+    function getFileWatcherEventKind(oldTime, newTime) {
+        return oldTime === 0
+            ? FileWatcherEventKind.Created
+            : newTime === 0
+                ? FileWatcherEventKind.Deleted
+                : FileWatcherEventKind.Changed;
+    }
+    ts.getFileWatcherEventKind = getFileWatcherEventKind;
+    /*@internal*/
+    ts.ignoredPaths = ["/node_modules/.", "/.git", "/.#"];
+    var curSysLog = ts.noop; // eslint-disable-line prefer-const
+    /*@internal*/
+    function sysLog(s) {
+        return curSysLog(s);
+    }
+    ts.sysLog = sysLog;
+    /*@internal*/
+    function setSysLog(logger) {
+        curSysLog = logger;
+    }
+    ts.setSysLog = setSysLog;
+    /**
+     * Watch the directory recursively using host provided method to watch child directories
+     * that means if this is recursive watcher, watch the children directories as well
+     * (eg on OS that dont support recursive watch using fs.watch use fs.watchFile)
+     */
+    /*@internal*/
+    function createDirectoryWatcherSupportingRecursive(_a) {
+        var watchDirectory = _a.watchDirectory, useCaseSensitiveFileNames = _a.useCaseSensitiveFileNames, getCurrentDirectory = _a.getCurrentDirectory, getAccessibleSortedChildDirectories = _a.getAccessibleSortedChildDirectories, directoryExists = _a.directoryExists, realpath = _a.realpath, setTimeout = _a.setTimeout, clearTimeout = _a.clearTimeout;
+        var cache = new ts.Map();
+        var callbackCache = ts.createMultiMap();
+        var cacheToUpdateChildWatches = new ts.Map();
+        var timerToUpdateChildWatches;
+        var filePathComparer = ts.getStringComparer(!useCaseSensitiveFileNames);
+        var toCanonicalFilePath = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
+        return function (dirName, callback, recursive, options) { return recursive ?
+            createDirectoryWatcher(dirName, options, callback) :
+            watchDirectory(dirName, callback, recursive, options); };
+        /**
+         * Create the directory watcher for the dirPath.
+         */
+        function createDirectoryWatcher(dirName, options, callback) {
+            var dirPath = toCanonicalFilePath(dirName);
+            var directoryWatcher = cache.get(dirPath);
+            if (directoryWatcher) {
+                directoryWatcher.refCount++;
+            }
+            else {
+                directoryWatcher = {
+                    watcher: watchDirectory(dirName, function (fileName) {
+                        if (isIgnoredPath(fileName, options))
+                            return;
+                        if (options === null || options === void 0 ? void 0 : options.synchronousWatchDirectory) {
+                            // Call the actual callback
+                            invokeCallbacks(dirPath, fileName);
+                            // Iterate through existing children and update the watches if needed
+                            updateChildWatches(dirName, dirPath, options);
+                        }
+                        else {
+                            nonSyncUpdateChildWatches(dirName, dirPath, fileName, options);
+                        }
+                    }, /*recursive*/ false, options),
+                    refCount: 1,
+                    childWatches: ts.emptyArray
+                };
+                cache.set(dirPath, directoryWatcher);
+                updateChildWatches(dirName, dirPath, options);
+            }
+            var callbackToAdd = callback && { dirName: dirName, callback: callback };
+            if (callbackToAdd) {
+                callbackCache.add(dirPath, callbackToAdd);
+            }
+            return {
+                dirName: dirName,
+                close: function () {
+                    var directoryWatcher = ts.Debug.checkDefined(cache.get(dirPath));
+                    if (callbackToAdd)
+                        callbackCache.remove(dirPath, callbackToAdd);
+                    directoryWatcher.refCount--;
+                    if (directoryWatcher.refCount)
+                        return;
+                    cache.delete(dirPath);
+                    ts.closeFileWatcherOf(directoryWatcher);
+                    directoryWatcher.childWatches.forEach(ts.closeFileWatcher);
+                }
+            };
+        }
+        function invokeCallbacks(dirPath, fileNameOrInvokeMap, fileNames) {
+            var fileName;
+            var invokeMap;
+            if (ts.isString(fileNameOrInvokeMap)) {
+                fileName = fileNameOrInvokeMap;
+            }
+            else {
+                invokeMap = fileNameOrInvokeMap;
+            }
+            // Call the actual callback
+            callbackCache.forEach(function (callbacks, rootDirName) {
+                var _a;
+                if (invokeMap && invokeMap.get(rootDirName) === true)
+                    return;
+                if (rootDirName === dirPath || (ts.startsWith(dirPath, rootDirName) && dirPath[rootDirName.length] === ts.directorySeparator)) {
+                    if (invokeMap) {
+                        if (fileNames) {
+                            var existing = invokeMap.get(rootDirName);
+                            if (existing) {
+                                (_a = existing).push.apply(_a, fileNames);
+                            }
+                            else {
+                                invokeMap.set(rootDirName, fileNames.slice());
+                            }
+                        }
+                        else {
+                            invokeMap.set(rootDirName, true);
+                        }
+                    }
+                    else {
+                        callbacks.forEach(function (_a) {
+                            var callback = _a.callback;
+                            return callback(fileName);
+                        });
+                    }
+                }
+            });
+        }
+        function nonSyncUpdateChildWatches(dirName, dirPath, fileName, options) {
+            // Iterate through existing children and update the watches if needed
+            var parentWatcher = cache.get(dirPath);
+            if (parentWatcher && directoryExists(dirName)) {
+                // Schedule the update and postpone invoke for callbacks
+                scheduleUpdateChildWatches(dirName, dirPath, fileName, options);
+                return;
+            }
+            // Call the actual callbacks and remove child watches
+            invokeCallbacks(dirPath, fileName);
+            removeChildWatches(parentWatcher);
+        }
+        function scheduleUpdateChildWatches(dirName, dirPath, fileName, options) {
+            var existing = cacheToUpdateChildWatches.get(dirPath);
+            if (existing) {
+                existing.fileNames.push(fileName);
+            }
+            else {
+                cacheToUpdateChildWatches.set(dirPath, { dirName: dirName, options: options, fileNames: [fileName] });
+            }
+            if (timerToUpdateChildWatches) {
+                clearTimeout(timerToUpdateChildWatches);
+                timerToUpdateChildWatches = undefined;
+            }
+            timerToUpdateChildWatches = setTimeout(onTimerToUpdateChildWatches, 1000);
+        }
+        function onTimerToUpdateChildWatches() {
+            timerToUpdateChildWatches = undefined;
+            sysLog("sysLog:: onTimerToUpdateChildWatches:: ".concat(cacheToUpdateChildWatches.size));
+            var start = ts.timestamp();
+            var invokeMap = new ts.Map();
+            while (!timerToUpdateChildWatches && cacheToUpdateChildWatches.size) {
+                var result = cacheToUpdateChildWatches.entries().next();
+                ts.Debug.assert(!result.done);
+                var _a = result.value, dirPath = _a[0], _b = _a[1], dirName = _b.dirName, options = _b.options, fileNames = _b.fileNames;
+                cacheToUpdateChildWatches.delete(dirPath);
+                // Because the child refresh is fresh, we would need to invalidate whole root directory being watched
+                // to ensure that all the changes are reflected at this time
+                var hasChanges = updateChildWatches(dirName, dirPath, options);
+                invokeCallbacks(dirPath, invokeMap, hasChanges ? undefined : fileNames);
+            }
+            sysLog("sysLog:: invokingWatchers:: Elapsed:: ".concat(ts.timestamp() - start, "ms:: ").concat(cacheToUpdateChildWatches.size));
+            callbackCache.forEach(function (callbacks, rootDirName) {
+                var existing = invokeMap.get(rootDirName);
+                if (existing) {
+                    callbacks.forEach(function (_a) {
+                        var callback = _a.callback, dirName = _a.dirName;
+                        if (ts.isArray(existing)) {
+                            existing.forEach(callback);
+                        }
+                        else {
+                            callback(dirName);
+                        }
+                    });
+                }
+            });
+            var elapsed = ts.timestamp() - start;
+            sysLog("sysLog:: Elapsed:: ".concat(elapsed, "ms:: onTimerToUpdateChildWatches:: ").concat(cacheToUpdateChildWatches.size, " ").concat(timerToUpdateChildWatches));
+        }
+        function removeChildWatches(parentWatcher) {
+            if (!parentWatcher)
+                return;
+            var existingChildWatches = parentWatcher.childWatches;
+            parentWatcher.childWatches = ts.emptyArray;
+            for (var _i = 0, existingChildWatches_1 = existingChildWatches; _i < existingChildWatches_1.length; _i++) {
+                var childWatcher = existingChildWatches_1[_i];
+                childWatcher.close();
+                removeChildWatches(cache.get(toCanonicalFilePath(childWatcher.dirName)));
+            }
+        }
+        function updateChildWatches(parentDir, parentDirPath, options) {
+            // Iterate through existing children and update the watches if needed
+            var parentWatcher = cache.get(parentDirPath);
+            if (!parentWatcher)
+                return false;
+            var newChildWatches;
+            var hasChanges = ts.enumerateInsertsAndDeletes(directoryExists(parentDir) ? ts.mapDefined(getAccessibleSortedChildDirectories(parentDir), function (child) {
+                var childFullName = ts.getNormalizedAbsolutePath(child, parentDir);
+                // Filter our the symbolic link directories since those arent included in recursive watch
+                // which is same behaviour when recursive: true is passed to fs.watch
+                return !isIgnoredPath(childFullName, options) && filePathComparer(childFullName, ts.normalizePath(realpath(childFullName))) === 0 /* Comparison.EqualTo */ ? childFullName : undefined;
+            }) : ts.emptyArray, parentWatcher.childWatches, function (child, childWatcher) { return filePathComparer(child, childWatcher.dirName); }, createAndAddChildDirectoryWatcher, ts.closeFileWatcher, addChildDirectoryWatcher);
+            parentWatcher.childWatches = newChildWatches || ts.emptyArray;
+            return hasChanges;
+            /**
+             * Create new childDirectoryWatcher and add it to the new ChildDirectoryWatcher list
+             */
+            function createAndAddChildDirectoryWatcher(childName) {
+                var result = createDirectoryWatcher(childName, options);
+                addChildDirectoryWatcher(result);
+            }
+            /**
+             * Add child directory watcher to the new ChildDirectoryWatcher list
+             */
+            function addChildDirectoryWatcher(childWatcher) {
+                (newChildWatches || (newChildWatches = [])).push(childWatcher);
+            }
+        }
+        function isIgnoredPath(path, options) {
+            return ts.some(ts.ignoredPaths, function (searchPath) { return isInPath(path, searchPath); }) ||
+                isIgnoredByWatchOptions(path, options, useCaseSensitiveFileNames, getCurrentDirectory);
+        }
+        function isInPath(path, searchPath) {
+            if (ts.stringContains(path, searchPath))
+                return true;
+            if (useCaseSensitiveFileNames)
+                return false;
+            return ts.stringContains(toCanonicalFilePath(path), searchPath);
+        }
+    }
+    ts.createDirectoryWatcherSupportingRecursive = createDirectoryWatcherSupportingRecursive;
+    /*@internal*/
+    var FileSystemEntryKind;
+    (function (FileSystemEntryKind) {
+        FileSystemEntryKind[FileSystemEntryKind["File"] = 0] = "File";
+        FileSystemEntryKind[FileSystemEntryKind["Directory"] = 1] = "Directory";
+    })(FileSystemEntryKind = ts.FileSystemEntryKind || (ts.FileSystemEntryKind = {}));
+    /*@internal*/
+    function createFileWatcherCallback(callback) {
+        return function (_fileName, eventKind) { return callback(eventKind === FileWatcherEventKind.Changed ? "change" : "rename", ""); };
+    }
+    ts.createFileWatcherCallback = createFileWatcherCallback;
+    function createFsWatchCallbackForFileWatcherCallback(fileName, callback, fileExists) {
+        return function (eventName) {
+            if (eventName === "rename") {
+                callback(fileName, fileExists(fileName) ? FileWatcherEventKind.Created : FileWatcherEventKind.Deleted);
+            }
+            else {
+                // Change
+                callback(fileName, FileWatcherEventKind.Changed);
+            }
+        };
+    }
+    function isIgnoredByWatchOptions(pathToCheck, options, useCaseSensitiveFileNames, getCurrentDirectory) {
+        return ((options === null || options === void 0 ? void 0 : options.excludeDirectories) || (options === null || options === void 0 ? void 0 : options.excludeFiles)) && (ts.matchesExclude(pathToCheck, options === null || options === void 0 ? void 0 : options.excludeFiles, useCaseSensitiveFileNames, getCurrentDirectory()) ||
+            ts.matchesExclude(pathToCheck, options === null || options === void 0 ? void 0 : options.excludeDirectories, useCaseSensitiveFileNames, getCurrentDirectory()));
+    }
+    function createFsWatchCallbackForDirectoryWatcherCallback(directoryName, callback, options, useCaseSensitiveFileNames, getCurrentDirectory) {
+        return function (eventName, relativeFileName) {
+            // In watchDirectory we only care about adding and removing files (when event name is
+            // "rename"); changes made within files are handled by corresponding fileWatchers (when
+            // event name is "change")
+            if (eventName === "rename") {
+                // When deleting a file, the passed baseFileName is null
+                var fileName = !relativeFileName ? directoryName : ts.normalizePath(ts.combinePaths(directoryName, relativeFileName));
+                if (!relativeFileName || !isIgnoredByWatchOptions(fileName, options, useCaseSensitiveFileNames, getCurrentDirectory)) {
+                    callback(fileName);
+                }
+            }
+        };
+    }
+    /*@internal*/
+    function createSystemWatchFunctions(_a) {
+        var pollingWatchFile = _a.pollingWatchFile, getModifiedTime = _a.getModifiedTime, setTimeout = _a.setTimeout, clearTimeout = _a.clearTimeout, fsWatch = _a.fsWatch, fileExists = _a.fileExists, useCaseSensitiveFileNames = _a.useCaseSensitiveFileNames, getCurrentDirectory = _a.getCurrentDirectory, fsSupportsRecursiveFsWatch = _a.fsSupportsRecursiveFsWatch, directoryExists = _a.directoryExists, getAccessibleSortedChildDirectories = _a.getAccessibleSortedChildDirectories, realpath = _a.realpath, tscWatchFile = _a.tscWatchFile, useNonPollingWatchers = _a.useNonPollingWatchers, tscWatchDirectory = _a.tscWatchDirectory, defaultWatchFileKind = _a.defaultWatchFileKind;
+        var dynamicPollingWatchFile;
+        var fixedChunkSizePollingWatchFile;
+        var nonPollingWatchFile;
+        var hostRecursiveDirectoryWatcher;
+        return {
+            watchFile: watchFile,
+            watchDirectory: watchDirectory
+        };
+        function watchFile(fileName, callback, pollingInterval, options) {
+            options = updateOptionsForWatchFile(options, useNonPollingWatchers);
+            var watchFileKind = ts.Debug.checkDefined(options.watchFile);
+            switch (watchFileKind) {
+                case ts.WatchFileKind.FixedPollingInterval:
+                    return pollingWatchFile(fileName, callback, PollingInterval.Low, /*options*/ undefined);
+                case ts.WatchFileKind.PriorityPollingInterval:
+                    return pollingWatchFile(fileName, callback, pollingInterval, /*options*/ undefined);
+                case ts.WatchFileKind.DynamicPriorityPolling:
+                    return ensureDynamicPollingWatchFile()(fileName, callback, pollingInterval, /*options*/ undefined);
+                case ts.WatchFileKind.FixedChunkSizePolling:
+                    return ensureFixedChunkSizePollingWatchFile()(fileName, callback, /* pollingInterval */ undefined, /*options*/ undefined);
+                case ts.WatchFileKind.UseFsEvents:
+                    return fsWatch(fileName, 0 /* FileSystemEntryKind.File */, createFsWatchCallbackForFileWatcherCallback(fileName, callback, fileExists), 
+                    /*recursive*/ false, pollingInterval, ts.getFallbackOptions(options));
+                case ts.WatchFileKind.UseFsEventsOnParentDirectory:
+                    if (!nonPollingWatchFile) {
+                        nonPollingWatchFile = createUseFsEventsOnParentDirectoryWatchFile(fsWatch, useCaseSensitiveFileNames);
+                    }
+                    return nonPollingWatchFile(fileName, callback, pollingInterval, ts.getFallbackOptions(options));
+                default:
+                    ts.Debug.assertNever(watchFileKind);
+            }
+        }
+        function ensureDynamicPollingWatchFile() {
+            return dynamicPollingWatchFile || (dynamicPollingWatchFile = createDynamicPriorityPollingWatchFile({ getModifiedTime: getModifiedTime, setTimeout: setTimeout }));
+        }
+        function ensureFixedChunkSizePollingWatchFile() {
+            return fixedChunkSizePollingWatchFile || (fixedChunkSizePollingWatchFile = createFixedChunkSizePollingWatchFile({ getModifiedTime: getModifiedTime, setTimeout: setTimeout }));
+        }
+        function updateOptionsForWatchFile(options, useNonPollingWatchers) {
+            if (options && options.watchFile !== undefined)
+                return options;
+            switch (tscWatchFile) {
+                case "PriorityPollingInterval":
+                    // Use polling interval based on priority when create watch using host.watchFile
+                    return { watchFile: ts.WatchFileKind.PriorityPollingInterval };
+                case "DynamicPriorityPolling":
+                    // Use polling interval but change the interval depending on file changes and their default polling interval
+                    return { watchFile: ts.WatchFileKind.DynamicPriorityPolling };
+                case "UseFsEvents":
+                    // Use notifications from FS to watch with falling back to fs.watchFile
+                    return generateWatchFileOptions(ts.WatchFileKind.UseFsEvents, ts.PollingWatchKind.PriorityInterval, options);
+                case "UseFsEventsWithFallbackDynamicPolling":
+                    // Use notifications from FS to watch with falling back to dynamic watch file
+                    return generateWatchFileOptions(ts.WatchFileKind.UseFsEvents, ts.PollingWatchKind.DynamicPriority, options);
+                case "UseFsEventsOnParentDirectory":
+                    useNonPollingWatchers = true;
+                // fall through
+                default:
+                    return useNonPollingWatchers ?
+                        // Use notifications from FS to watch with falling back to fs.watchFile
+                        generateWatchFileOptions(ts.WatchFileKind.UseFsEventsOnParentDirectory, ts.PollingWatchKind.PriorityInterval, options) :
+                        // Default to do not use fixed polling interval
+                        { watchFile: (defaultWatchFileKind === null || defaultWatchFileKind === void 0 ? void 0 : defaultWatchFileKind()) || ts.WatchFileKind.FixedPollingInterval };
+            }
+        }
+        function generateWatchFileOptions(watchFile, fallbackPolling, options) {
+            var defaultFallbackPolling = options === null || options === void 0 ? void 0 : options.fallbackPolling;
+            return {
+                watchFile: watchFile,
+                fallbackPolling: defaultFallbackPolling === undefined ?
+                    fallbackPolling :
+                    defaultFallbackPolling
+            };
+        }
+        function watchDirectory(directoryName, callback, recursive, options) {
+            if (fsSupportsRecursiveFsWatch) {
+                return fsWatch(directoryName, 1 /* FileSystemEntryKind.Directory */, createFsWatchCallbackForDirectoryWatcherCallback(directoryName, callback, options, useCaseSensitiveFileNames, getCurrentDirectory), recursive, PollingInterval.Medium, ts.getFallbackOptions(options));
+            }
+            if (!hostRecursiveDirectoryWatcher) {
+                hostRecursiveDirectoryWatcher = createDirectoryWatcherSupportingRecursive({
+                    useCaseSensitiveFileNames: useCaseSensitiveFileNames,
+                    getCurrentDirectory: getCurrentDirectory,
+                    directoryExists: directoryExists,
+                    getAccessibleSortedChildDirectories: getAccessibleSortedChildDirectories,
+                    watchDirectory: nonRecursiveWatchDirectory,
+                    realpath: realpath,
+                    setTimeout: setTimeout,
+                    clearTimeout: clearTimeout
+                });
+            }
+            return hostRecursiveDirectoryWatcher(directoryName, callback, recursive, options);
+        }
+        function nonRecursiveWatchDirectory(directoryName, callback, recursive, options) {
+            ts.Debug.assert(!recursive);
+            var watchDirectoryOptions = updateOptionsForWatchDirectory(options);
+            var watchDirectoryKind = ts.Debug.checkDefined(watchDirectoryOptions.watchDirectory);
+            switch (watchDirectoryKind) {
+                case ts.WatchDirectoryKind.FixedPollingInterval:
+                    return pollingWatchFile(directoryName, function () { return callback(directoryName); }, PollingInterval.Medium, 
+                    /*options*/ undefined);
+                case ts.WatchDirectoryKind.DynamicPriorityPolling:
+                    return ensureDynamicPollingWatchFile()(directoryName, function () { return callback(directoryName); }, PollingInterval.Medium, 
+                    /*options*/ undefined);
+                case ts.WatchDirectoryKind.FixedChunkSizePolling:
+                    return ensureFixedChunkSizePollingWatchFile()(directoryName, function () { return callback(directoryName); }, 
+                    /* pollingInterval */ undefined, 
+                    /*options*/ undefined);
+                case ts.WatchDirectoryKind.UseFsEvents:
+                    return fsWatch(directoryName, 1 /* FileSystemEntryKind.Directory */, createFsWatchCallbackForDirectoryWatcherCallback(directoryName, callback, options, useCaseSensitiveFileNames, getCurrentDirectory), recursive, PollingInterval.Medium, ts.getFallbackOptions(watchDirectoryOptions));
+                default:
+                    ts.Debug.assertNever(watchDirectoryKind);
+            }
+        }
+        function updateOptionsForWatchDirectory(options) {
+            if (options && options.watchDirectory !== undefined)
+                return options;
+            switch (tscWatchDirectory) {
+                case "RecursiveDirectoryUsingFsWatchFile":
+                    // Use polling interval based on priority when create watch using host.watchFile
+                    return { watchDirectory: ts.WatchDirectoryKind.FixedPollingInterval };
+                case "RecursiveDirectoryUsingDynamicPriorityPolling":
+                    // Use polling interval but change the interval depending on file changes and their default polling interval
+                    return { watchDirectory: ts.WatchDirectoryKind.DynamicPriorityPolling };
+                default:
+                    var defaultFallbackPolling = options === null || options === void 0 ? void 0 : options.fallbackPolling;
+                    return {
+                        watchDirectory: ts.WatchDirectoryKind.UseFsEvents,
+                        fallbackPolling: defaultFallbackPolling !== undefined ?
+                            defaultFallbackPolling :
+                            undefined
+                    };
+            }
+        }
+    }
+    ts.createSystemWatchFunctions = createSystemWatchFunctions;
+    /**
+     * patch writefile to create folder before writing the file
+     */
+    /*@internal*/
+    function patchWriteFileEnsuringDirectory(sys) {
+        // patch writefile to create folder before writing the file
+        var originalWriteFile = sys.writeFile;
+        sys.writeFile = function (path, data, writeBom) {
+            return ts.writeFileEnsuringDirectories(path, data, !!writeBom, function (path, data, writeByteOrderMark) { return originalWriteFile.call(sys, path, data, writeByteOrderMark); }, function (path) { return sys.createDirectory(path); }, function (path) { return sys.directoryExists(path); });
+        };
+    }
+    ts.patchWriteFileEnsuringDirectory = patchWriteFileEnsuringDirectory;
+    function getNodeMajorVersion() {
+        if (typeof process === "undefined") {
+            return undefined;
+        }
+        var version = process.version;
+        if (!version) {
+            return undefined;
+        }
+        var dot = version.indexOf(".");
+        if (dot === -1) {
+            return undefined;
+        }
+        return parseInt(version.substring(1, dot));
+    }
+    ts.getNodeMajorVersion = getNodeMajorVersion;
+    // TODO: GH#18217 this is used as if it's certainly defined in many places.
+    // eslint-disable-next-line prefer-const
+    ts.sys = (function () {
+        // NodeJS detects "\uFEFF" at the start of the string and *replaces* it with the actual
+        // byte order mark from the specified encoding. Using any other byte order mark does
+        // not actually work.
+        var byteOrderMarkIndicator = "\uFEFF";
+        function getNodeSystem() {
+            var _a;
+            var nativePattern = /^native |^\([^)]+\)$|^(internal[\\/]|[a-zA-Z0-9_\s]+(\.js)?$)/;
+            var _fs = require("fs");
+            var _path = require("path");
+            var _os = require("os");
+            // crypto can be absent on reduced node installations
+            var _crypto;
+            try {
+                _crypto = require("crypto");
+            }
+            catch (_b) {
+                _crypto = undefined;
+            }
+            var activeSession;
+            var profilePath = "./profile.cpuprofile";
+            var hitSystemWatcherLimit = false;
+            var Buffer = require("buffer").Buffer;
+            var nodeVersion = getNodeMajorVersion();
+            var isNode4OrLater = nodeVersion >= 4;
+            var isLinuxOrMacOs = process.platform === "linux" || process.platform === "darwin";
+            var platform = _os.platform();
+            var useCaseSensitiveFileNames = isFileSystemCaseSensitive();
+            var realpathSync = (_a = _fs.realpathSync.native) !== null && _a !== void 0 ? _a : _fs.realpathSync;
+            var fsSupportsRecursiveFsWatch = isNode4OrLater && (process.platform === "win32" || process.platform === "darwin");
+            var getCurrentDirectory = ts.memoize(function () { return process.cwd(); });
+            var _c = createSystemWatchFunctions({
+                pollingWatchFile: createSingleFileWatcherPerName(fsWatchFileWorker, useCaseSensitiveFileNames),
+                getModifiedTime: getModifiedTime,
+                setTimeout: setTimeout,
+                clearTimeout: clearTimeout,
+                fsWatch: fsWatch,
+                useCaseSensitiveFileNames: useCaseSensitiveFileNames,
+                getCurrentDirectory: getCurrentDirectory,
+                fileExists: fileExists,
+                // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows
+                // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
+                fsSupportsRecursiveFsWatch: fsSupportsRecursiveFsWatch,
+                directoryExists: directoryExists,
+                getAccessibleSortedChildDirectories: function (path) { return getAccessibleFileSystemEntries(path).directories; },
+                realpath: realpath,
+                tscWatchFile: process.env.TSC_WATCHFILE,
+                useNonPollingWatchers: process.env.TSC_NONPOLLING_WATCHER,
+                tscWatchDirectory: process.env.TSC_WATCHDIRECTORY,
+                defaultWatchFileKind: function () { var _a, _b; return (_b = (_a = sys).defaultWatchFileKind) === null || _b === void 0 ? void 0 : _b.call(_a); },
+            }), watchFile = _c.watchFile, watchDirectory = _c.watchDirectory;
+            var nodeSystem = {
+                args: process.argv.slice(2),
+                newLine: _os.EOL,
+                useCaseSensitiveFileNames: useCaseSensitiveFileNames,
+                write: function (s) {
+                    process.stdout.write(s);
+                },
+                getWidthOfTerminal: function () {
+                    return process.stdout.columns;
+                },
+                writeOutputIsTTY: function () {
+                    return process.stdout.isTTY;
+                },
+                readFile: readFile,
+                writeFile: writeFile,
+                watchFile: watchFile,
+                watchDirectory: watchDirectory,
+                resolvePath: function (path) { return _path.resolve(path); },
+                fileExists: fileExists,
+                directoryExists: directoryExists,
+                createDirectory: function (directoryName) {
+                    if (!nodeSystem.directoryExists(directoryName)) {
+                        // Wrapped in a try-catch to prevent crashing if we are in a race
+                        // with another copy of ourselves to create the same directory
+                        try {
+                            _fs.mkdirSync(directoryName);
+                        }
+                        catch (e) {
+                            if (e.code !== "EEXIST") {
+                                // Failed for some other reason (access denied?); still throw
+                                throw e;
+                            }
+                        }
+                    }
+                },
+                getExecutingFilePath: function () {
+                    return __filename;
+                },
+                getCurrentDirectory: getCurrentDirectory,
+                getDirectories: getDirectories,
+                getEnvironmentVariable: function (name) {
+                    return process.env[name] || "";
+                },
+                readDirectory: readDirectory,
+                getModifiedTime: getModifiedTime,
+                setModifiedTime: setModifiedTime,
+                deleteFile: deleteFile,
+                createHash: _crypto ? createSHA256Hash : generateDjb2Hash,
+                createSHA256Hash: _crypto ? createSHA256Hash : undefined,
+                getMemoryUsage: function () {
+                    if (global.gc) {
+                        global.gc();
+                    }
+                    return process.memoryUsage().heapUsed;
+                },
+                getFileSize: function (path) {
+                    try {
+                        var stat = statSync(path);
+                        if (stat === null || stat === void 0 ? void 0 : stat.isFile()) {
+                            return stat.size;
+                        }
+                    }
+                    catch ( /*ignore*/_a) { /*ignore*/ }
+                    return 0;
+                },
+                exit: function (exitCode) {
+                    disableCPUProfiler(function () { return process.exit(exitCode); });
+                },
+                enableCPUProfiler: enableCPUProfiler,
+                disableCPUProfiler: disableCPUProfiler,
+                cpuProfilingEnabled: function () { return !!activeSession || ts.contains(process.execArgv, "--cpu-prof") || ts.contains(process.execArgv, "--prof"); },
+                realpath: realpath,
+                debugMode: !!process.env.NODE_INSPECTOR_IPC || !!process.env.VSCODE_INSPECTOR_OPTIONS || ts.some(process.execArgv, function (arg) { return /^--(inspect|debug)(-brk)?(=\d+)?$/i.test(arg); }),
+                tryEnableSourceMapsForHost: function () {
+                    try {
+                        require("source-map-support").install();
+                    }
+                    catch (_a) {
+                        // Could not enable source maps.
+                    }
+                },
+                setTimeout: setTimeout,
+                clearTimeout: clearTimeout,
+                clearScreen: function () {
+                    process.stdout.write("\x1Bc");
+                },
+                setBlocking: function () {
+                    if (process.stdout && process.stdout._handle && process.stdout._handle.setBlocking) {
+                        process.stdout._handle.setBlocking(true);
+                    }
+                },
+                bufferFrom: bufferFrom,
+                base64decode: function (input) { return bufferFrom(input, "base64").toString("utf8"); },
+                base64encode: function (input) { return bufferFrom(input).toString("base64"); },
+                require: function (baseDir, moduleName) {
+                    try {
+                        var modulePath = ts.resolveJSModule(moduleName, baseDir, nodeSystem);
+                        return { module: require(modulePath), modulePath: modulePath, error: undefined };
+                    }
+                    catch (error) {
+                        return { module: undefined, modulePath: undefined, error: error };
+                    }
+                }
+            };
+            return nodeSystem;
+            /**
+             * `throwIfNoEntry` was added so recently that it's not in the node types.
+             * This helper encapsulates the mitigating usage of `any`.
+             * See https://github.com/nodejs/node/pull/33716
+             */
+            function statSync(path) {
+                // throwIfNoEntry will be ignored by older versions of node
+                return _fs.statSync(path, { throwIfNoEntry: false });
+            }
+            /**
+             * Uses the builtin inspector APIs to capture a CPU profile
+             * See https://nodejs.org/api/inspector.html#inspector_example_usage for details
+             */
+            function enableCPUProfiler(path, cb) {
+                if (activeSession) {
+                    cb();
+                    return false;
+                }
+                var inspector = require("inspector");
+                if (!inspector || !inspector.Session) {
+                    cb();
+                    return false;
+                }
+                var session = new inspector.Session();
+                session.connect();
+                session.post("Profiler.enable", function () {
+                    session.post("Profiler.start", function () {
+                        activeSession = session;
+                        profilePath = path;
+                        cb();
+                    });
+                });
+                return true;
+            }
+            /**
+             * Strips non-TS paths from the profile, so users with private projects shouldn't
+             * need to worry about leaking paths by submitting a cpu profile to us
+             */
+            function cleanupPaths(profile) {
+                var externalFileCounter = 0;
+                var remappedPaths = new ts.Map();
+                var normalizedDir = ts.normalizeSlashes(__dirname);
+                // Windows rooted dir names need an extra `/` prepended to be valid file:/// urls
+                var fileUrlRoot = "file://".concat(ts.getRootLength(normalizedDir) === 1 ? "" : "/").concat(normalizedDir);
+                for (var _i = 0, _a = profile.nodes; _i < _a.length; _i++) {
+                    var node = _a[_i];
+                    if (node.callFrame.url) {
+                        var url = ts.normalizeSlashes(node.callFrame.url);
+                        if (ts.containsPath(fileUrlRoot, url, useCaseSensitiveFileNames)) {
+                            node.callFrame.url = ts.getRelativePathToDirectoryOrUrl(fileUrlRoot, url, fileUrlRoot, ts.createGetCanonicalFileName(useCaseSensitiveFileNames), /*isAbsolutePathAnUrl*/ true);
+                        }
+                        else if (!nativePattern.test(url)) {
+                            node.callFrame.url = (remappedPaths.has(url) ? remappedPaths : remappedPaths.set(url, "external".concat(externalFileCounter, ".js"))).get(url);
+                            externalFileCounter++;
+                        }
+                    }
+                }
+                return profile;
+            }
+            function disableCPUProfiler(cb) {
+                if (activeSession && activeSession !== "stopping") {
+                    var s_1 = activeSession;
+                    activeSession.post("Profiler.stop", function (err, _a) {
+                        var _b;
+                        var profile = _a.profile;
+                        if (!err) {
+                            try {
+                                if ((_b = statSync(profilePath)) === null || _b === void 0 ? void 0 : _b.isDirectory()) {
+                                    profilePath = _path.join(profilePath, "".concat((new Date()).toISOString().replace(/:/g, "-"), "+P").concat(process.pid, ".cpuprofile"));
+                                }
+                            }
+                            catch (_c) {
+                                // do nothing and ignore fallible fs operation
+                            }
+                            try {
+                                _fs.mkdirSync(_path.dirname(profilePath), { recursive: true });
+                            }
+                            catch (_d) {
+                                // do nothing and ignore fallible fs operation
+                            }
+                            _fs.writeFileSync(profilePath, JSON.stringify(cleanupPaths(profile)));
+                        }
+                        activeSession = undefined;
+                        s_1.disconnect();
+                        cb();
+                    });
+                    activeSession = "stopping";
+                    return true;
+                }
+                else {
+                    cb();
+                    return false;
+                }
+            }
+            function bufferFrom(input, encoding) {
+                // See https://github.com/Microsoft/TypeScript/issues/25652
+                return Buffer.from && Buffer.from !== Int8Array.from
+                    ? Buffer.from(input, encoding)
+                    : new Buffer(input, encoding);
+            }
+            function isFileSystemCaseSensitive() {
+                // win32\win64 are case insensitive platforms
+                if (platform === "win32" || platform === "win64") {
+                    return false;
+                }
+                // If this file exists under a different case, we must be case-insensitve.
+                return !fileExists(swapCase(__filename));
+            }
+            /** Convert all lowercase chars to uppercase, and vice-versa */
+            function swapCase(s) {
+                return s.replace(/\w/g, function (ch) {
+                    var up = ch.toUpperCase();
+                    return ch === up ? ch.toLowerCase() : up;
+                });
+            }
+            function fsWatchFileWorker(fileName, callback, pollingInterval) {
+                _fs.watchFile(fileName, { persistent: true, interval: pollingInterval }, fileChanged);
+                var eventKind;
+                return {
+                    close: function () { return _fs.unwatchFile(fileName, fileChanged); }
+                };
+                function fileChanged(curr, prev) {
+                    // previous event kind check is to ensure we recongnize the file as previously also missing when it is restored or renamed twice (that is it disappears and reappears)
+                    // In such case, prevTime returned is same as prev time of event when file was deleted as per node documentation
+                    var isPreviouslyDeleted = +prev.mtime === 0 || eventKind === FileWatcherEventKind.Deleted;
+                    if (+curr.mtime === 0) {
+                        if (isPreviouslyDeleted) {
+                            // Already deleted file, no need to callback again
+                            return;
+                        }
+                        eventKind = FileWatcherEventKind.Deleted;
+                    }
+                    else if (isPreviouslyDeleted) {
+                        eventKind = FileWatcherEventKind.Created;
+                    }
+                    // If there is no change in modified time, ignore the event
+                    else if (+curr.mtime === +prev.mtime) {
+                        return;
+                    }
+                    else {
+                        // File changed
+                        eventKind = FileWatcherEventKind.Changed;
+                    }
+                    callback(fileName, eventKind);
+                }
+            }
+            function fsWatch(fileOrDirectory, entryKind, callback, recursive, fallbackPollingInterval, fallbackOptions) {
+                var options;
+                var lastDirectoryPartWithDirectorySeparator;
+                var lastDirectoryPart;
+                if (isLinuxOrMacOs) {
+                    lastDirectoryPartWithDirectorySeparator = fileOrDirectory.substr(fileOrDirectory.lastIndexOf(ts.directorySeparator));
+                    lastDirectoryPart = lastDirectoryPartWithDirectorySeparator.slice(ts.directorySeparator.length);
+                }
+                /** Watcher for the file system entry depending on whether it is missing or present */
+                var watcher = !fileSystemEntryExists(fileOrDirectory, entryKind) ?
+                    watchMissingFileSystemEntry() :
+                    watchPresentFileSystemEntry();
+                return {
+                    close: function () {
+                        // Close the watcher (either existing file system entry watcher or missing file system entry watcher)
+                        watcher.close();
+                        watcher = undefined;
+                    }
+                };
+                /**
+                 * Invoke the callback with rename and update the watcher if not closed
+                 * @param createWatcher
+                 */
+                function invokeCallbackAndUpdateWatcher(createWatcher) {
+                    sysLog("sysLog:: ".concat(fileOrDirectory, ":: Changing watcher to ").concat(createWatcher === watchPresentFileSystemEntry ? "Present" : "Missing", "FileSystemEntryWatcher"));
+                    // Call the callback for current directory
+                    callback("rename", "");
+                    // If watcher is not closed, update it
+                    if (watcher) {
+                        watcher.close();
+                        watcher = createWatcher();
+                    }
+                }
+                /**
+                 * Watch the file or directory that is currently present
+                 * and when the watched file or directory is deleted, switch to missing file system entry watcher
+                 */
+                function watchPresentFileSystemEntry() {
+                    // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows
+                    // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
+                    if (options === undefined) {
+                        if (fsSupportsRecursiveFsWatch) {
+                            options = { persistent: true, recursive: !!recursive };
+                        }
+                        else {
+                            options = { persistent: true };
+                        }
+                    }
+                    if (hitSystemWatcherLimit) {
+                        sysLog("sysLog:: ".concat(fileOrDirectory, ":: Defaulting to fsWatchFile"));
+                        return watchPresentFileSystemEntryWithFsWatchFile();
+                    }
+                    try {
+                        var presentWatcher = _fs.watch(fileOrDirectory, options, isLinuxOrMacOs ?
+                            callbackChangingToMissingFileSystemEntry :
+                            callback);
+                        // Watch the missing file or directory or error
+                        presentWatcher.on("error", function () { return invokeCallbackAndUpdateWatcher(watchMissingFileSystemEntry); });
+                        return presentWatcher;
+                    }
+                    catch (e) {
+                        // Catch the exception and use polling instead
+                        // Eg. on linux the number of watches are limited and one could easily exhaust watches and the exception ENOSPC is thrown when creating watcher at that point
+                        // so instead of throwing error, use fs.watchFile
+                        hitSystemWatcherLimit || (hitSystemWatcherLimit = e.code === "ENOSPC");
+                        sysLog("sysLog:: ".concat(fileOrDirectory, ":: Changing to fsWatchFile"));
+                        return watchPresentFileSystemEntryWithFsWatchFile();
+                    }
+                }
+                function callbackChangingToMissingFileSystemEntry(event, relativeName) {
+                    // because relativeName is not guaranteed to be correct we need to check on each rename with few combinations
+                    // Eg on ubuntu while watching app/node_modules the relativeName is "node_modules" which is neither relative nor full path
+                    return event === "rename" &&
+                        (!relativeName ||
+                            relativeName === lastDirectoryPart ||
+                            (relativeName.lastIndexOf(lastDirectoryPartWithDirectorySeparator) !== -1 && relativeName.lastIndexOf(lastDirectoryPartWithDirectorySeparator) === relativeName.length - lastDirectoryPartWithDirectorySeparator.length)) &&
+                        !fileSystemEntryExists(fileOrDirectory, entryKind) ?
+                        invokeCallbackAndUpdateWatcher(watchMissingFileSystemEntry) :
+                        callback(event, relativeName);
+                }
+                /**
+                 * Watch the file or directory using fs.watchFile since fs.watch threw exception
+                 * Eg. on linux the number of watches are limited and one could easily exhaust watches and the exception ENOSPC is thrown when creating watcher at that point
+                 */
+                function watchPresentFileSystemEntryWithFsWatchFile() {
+                    return watchFile(fileOrDirectory, createFileWatcherCallback(callback), fallbackPollingInterval, fallbackOptions);
+                }
+                /**
+                 * Watch the file or directory that is missing
+                 * and switch to existing file or directory when the missing filesystem entry is created
+                 */
+                function watchMissingFileSystemEntry() {
+                    return watchFile(fileOrDirectory, function (_fileName, eventKind) {
+                        if (eventKind === FileWatcherEventKind.Created && fileSystemEntryExists(fileOrDirectory, entryKind)) {
+                            // Call the callback for current file or directory
+                            // For now it could be callback for the inner directory creation,
+                            // but just return current directory, better than current no-op
+                            invokeCallbackAndUpdateWatcher(watchPresentFileSystemEntry);
+                        }
+                    }, fallbackPollingInterval, fallbackOptions);
+                }
+            }
+            function readFileWorker(fileName, _encoding) {
+                var buffer;
+                try {
+                    buffer = _fs.readFileSync(fileName);
+                }
+                catch (e) {
+                    return undefined;
+                }
+                var len = buffer.length;
+                if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) {
+                    // Big endian UTF-16 byte order mark detected. Since big endian is not supported by node.js,
+                    // flip all byte pairs and treat as little endian.
+                    len &= ~1; // Round down to a multiple of 2
+                    for (var i = 0; i < len; i += 2) {
+                        var temp = buffer[i];
+                        buffer[i] = buffer[i + 1];
+                        buffer[i + 1] = temp;
+                    }
+                    return buffer.toString("utf16le", 2);
+                }
+                if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) {
+                    // Little endian UTF-16 byte order mark detected
+                    return buffer.toString("utf16le", 2);
+                }
+                if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
+                    // UTF-8 byte order mark detected
+                    return buffer.toString("utf8", 3);
+                }
+                // Default is UTF-8 with no byte order mark
+                return buffer.toString("utf8");
+            }
+            function readFile(fileName, _encoding) {
+                ts.perfLogger.logStartReadFile(fileName);
+                var file = readFileWorker(fileName, _encoding);
+                ts.perfLogger.logStopReadFile();
+                return file;
+            }
+            function writeFile(fileName, data, writeByteOrderMark) {
+                ts.perfLogger.logEvent("WriteFile: " + fileName);
+                // If a BOM is required, emit one
+                if (writeByteOrderMark) {
+                    data = byteOrderMarkIndicator + data;
+                }
+                var fd;
+                try {
+                    fd = _fs.openSync(fileName, "w");
+                    _fs.writeSync(fd, data, /*position*/ undefined, "utf8");
+                }
+                finally {
+                    if (fd !== undefined) {
+                        _fs.closeSync(fd);
+                    }
+                }
+            }
+            function getAccessibleFileSystemEntries(path) {
+                ts.perfLogger.logEvent("ReadDir: " + (path || "."));
+                try {
+                    var entries = _fs.readdirSync(path || ".", { withFileTypes: true });
+                    var files = [];
+                    var directories = [];
+                    for (var _i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
+                        var dirent = entries_1[_i];
+                        // withFileTypes is not supported before Node 10.10.
+                        var entry = typeof dirent === "string" ? dirent : dirent.name;
+                        // This is necessary because on some file system node fails to exclude
+                        // "." and "..". See https://github.com/nodejs/node/issues/4002
+                        if (entry === "." || entry === "..") {
+                            continue;
+                        }
+                        var stat = void 0;
+                        if (typeof dirent === "string" || dirent.isSymbolicLink()) {
+                            var name = ts.combinePaths(path, entry);
+                            try {
+                                stat = statSync(name);
+                                if (!stat) {
+                                    continue;
+                                }
+                            }
+                            catch (e) {
+                                continue;
+                            }
+                        }
+                        else {
+                            stat = dirent;
+                        }
+                        if (stat.isFile()) {
+                            files.push(entry);
+                        }
+                        else if (stat.isDirectory()) {
+                            directories.push(entry);
+                        }
+                    }
+                    files.sort();
+                    directories.sort();
+                    return { files: files, directories: directories };
+                }
+                catch (e) {
+                    return ts.emptyFileSystemEntries;
+                }
+            }
+            function readDirectory(path, extensions, excludes, includes, depth) {
+                return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), depth, getAccessibleFileSystemEntries, realpath);
+            }
+            function fileSystemEntryExists(path, entryKind) {
+                // Since the error thrown by fs.statSync isn't used, we can avoid collecting a stack trace to improve
+                // the CPU time performance.
+                var originalStackTraceLimit = Error.stackTraceLimit;
+                Error.stackTraceLimit = 0;
+                try {
+                    var stat = statSync(path);
+                    if (!stat) {
+                        return false;
+                    }
+                    switch (entryKind) {
+                        case 0 /* FileSystemEntryKind.File */: return stat.isFile();
+                        case 1 /* FileSystemEntryKind.Directory */: return stat.isDirectory();
+                        default: return false;
+                    }
+                }
+                catch (e) {
+                    return false;
+                }
+                finally {
+                    Error.stackTraceLimit = originalStackTraceLimit;
+                }
+            }
+            function fileExists(path) {
+                return fileSystemEntryExists(path, 0 /* FileSystemEntryKind.File */);
+            }
+            function directoryExists(path) {
+                return fileSystemEntryExists(path, 1 /* FileSystemEntryKind.Directory */);
+            }
+            function getDirectories(path) {
+                return getAccessibleFileSystemEntries(path).directories.slice();
+            }
+            function realpath(path) {
+                try {
+                    return realpathSync(path);
+                }
+                catch (_a) {
+                    return path;
+                }
+            }
+            function getModifiedTime(path) {
+                var _a;
+                try {
+                    return (_a = statSync(path)) === null || _a === void 0 ? void 0 : _a.mtime;
+                }
+                catch (e) {
+                    return undefined;
+                }
+            }
+            function setModifiedTime(path, time) {
+                try {
+                    _fs.utimesSync(path, time, time);
+                }
+                catch (e) {
+                    return;
+                }
+            }
+            function deleteFile(path) {
+                try {
+                    return _fs.unlinkSync(path);
+                }
+                catch (e) {
+                    return;
+                }
+            }
+            function createSHA256Hash(data) {
+                var hash = _crypto.createHash("sha256");
+                hash.update(data);
+                return hash.digest("hex");
+            }
+        }
+        var sys;
+        if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") {
+            // process and process.nextTick checks if current environment is node-like
+            // process.browser check excludes webpack and browserify
+            sys = getNodeSystem();
+        }
+        if (sys) {
+            // patch writefile to create folder before writing the file
+            patchWriteFileEnsuringDirectory(sys);
+        }
+        return sys;
+    })();
+    /*@internal*/
+    function setSys(s) {
+        ts.sys = s;
+    }
+    ts.setSys = setSys;
+    if (ts.sys && ts.sys.getEnvironmentVariable) {
+        setCustomPollingValues(ts.sys);
+        ts.Debug.setAssertionLevel(/^development$/i.test(ts.sys.getEnvironmentVariable("NODE_ENV"))
+            ? 1 /* AssertionLevel.Normal */
+            : 0 /* AssertionLevel.None */);
+    }
+    if (ts.sys && ts.sys.debugMode) {
+        ts.Debug.isDebugging = true;
+    }
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    /**
+     * Internally, we represent paths as strings with '/' as the directory separator.
+     * When we make system calls (eg: LanguageServiceHost.getDirectory()),
+     * we expect the host to correctly handle paths in our specified format.
+     */
+    ts.directorySeparator = "/";
+    ts.altDirectorySeparator = "\\";
+    var urlSchemeSeparator = "://";
+    var backslashRegExp = /\\/g;
+    //// Path Tests
+    /**
+     * Determines whether a charCode corresponds to `/` or `\`.
+     */
+    function isAnyDirectorySeparator(charCode) {
+        return charCode === 47 /* CharacterCodes.slash */ || charCode === 92 /* CharacterCodes.backslash */;
+    }
+    ts.isAnyDirectorySeparator = isAnyDirectorySeparator;
+    /**
+     * Determines whether a path starts with a URL scheme (e.g. starts with `http://`, `ftp://`, `file://`, etc.).
+     */
+    function isUrl(path) {
+        return getEncodedRootLength(path) < 0;
+    }
+    ts.isUrl = isUrl;
+    /**
+     * Determines whether a path is an absolute disk path (e.g. starts with `/`, or a dos path
+     * like `c:`, `c:\` or `c:/`).
+     */
+    function isRootedDiskPath(path) {
+        return getEncodedRootLength(path) > 0;
+    }
+    ts.isRootedDiskPath = isRootedDiskPath;
+    /**
+     * Determines whether a path consists only of a path root.
+     */
+    function isDiskPathRoot(path) {
+        var rootLength = getEncodedRootLength(path);
+        return rootLength > 0 && rootLength === path.length;
+    }
+    ts.isDiskPathRoot = isDiskPathRoot;
+    /**
+     * Determines whether a path starts with an absolute path component (i.e. `/`, `c:/`, `file://`, etc.).
+     *
+     * ```ts
+     * // POSIX
+     * pathIsAbsolute("/path/to/file.ext") === true
+     * // DOS
+     * pathIsAbsolute("c:/path/to/file.ext") === true
+     * // URL
+     * pathIsAbsolute("file:///path/to/file.ext") === true
+     * // Non-absolute
+     * pathIsAbsolute("path/to/file.ext") === false
+     * pathIsAbsolute("./path/to/file.ext") === false
+     * ```
+     */
+    function pathIsAbsolute(path) {
+        return getEncodedRootLength(path) !== 0;
+    }
+    ts.pathIsAbsolute = pathIsAbsolute;
+    /**
+     * Determines whether a path starts with a relative path component (i.e. `.` or `..`).
+     */
+    function pathIsRelative(path) {
+        return /^\.\.?($|[\\/])/.test(path);
+    }
+    ts.pathIsRelative = pathIsRelative;
+    /**
+     * Determines whether a path is neither relative nor absolute, e.g. "path/to/file".
+     * Also known misleadingly as "non-relative".
+     */
+    function pathIsBareSpecifier(path) {
+        return !pathIsAbsolute(path) && !pathIsRelative(path);
+    }
+    ts.pathIsBareSpecifier = pathIsBareSpecifier;
+    function hasExtension(fileName) {
+        return ts.stringContains(getBaseFileName(fileName), ".");
+    }
+    ts.hasExtension = hasExtension;
+    function fileExtensionIs(path, extension) {
+        return path.length > extension.length && ts.endsWith(path, extension);
+    }
+    ts.fileExtensionIs = fileExtensionIs;
+    function fileExtensionIsOneOf(path, extensions) {
+        for (var _i = 0, extensions_1 = extensions; _i < extensions_1.length; _i++) {
+            var extension = extensions_1[_i];
+            if (fileExtensionIs(path, extension)) {
+                return true;
+            }
+        }
+        return false;
+    }
+    ts.fileExtensionIsOneOf = fileExtensionIsOneOf;
+    /**
+     * Determines whether a path has a trailing separator (`/` or `\\`).
+     */
+    function hasTrailingDirectorySeparator(path) {
+        return path.length > 0 && isAnyDirectorySeparator(path.charCodeAt(path.length - 1));
+    }
+    ts.hasTrailingDirectorySeparator = hasTrailingDirectorySeparator;
+    //// Path Parsing
+    function isVolumeCharacter(charCode) {
+        return (charCode >= 97 /* CharacterCodes.a */ && charCode <= 122 /* CharacterCodes.z */) ||
+            (charCode >= 65 /* CharacterCodes.A */ && charCode <= 90 /* CharacterCodes.Z */);
+    }
+    function getFileUrlVolumeSeparatorEnd(url, start) {
+        var ch0 = url.charCodeAt(start);
+        if (ch0 === 58 /* CharacterCodes.colon */)
+            return start + 1;
+        if (ch0 === 37 /* CharacterCodes.percent */ && url.charCodeAt(start + 1) === 51 /* CharacterCodes._3 */) {
+            var ch2 = url.charCodeAt(start + 2);
+            if (ch2 === 97 /* CharacterCodes.a */ || ch2 === 65 /* CharacterCodes.A */)
+                return start + 3;
+        }
+        return -1;
+    }
+    /**
+     * Returns length of the root part of a path or URL (i.e. length of "/", "x:/", "//server/share/, file:///user/files").
+     * If the root is part of a URL, the twos-complement of the root length is returned.
+     */
+    function getEncodedRootLength(path) {
+        if (!path)
+            return 0;
+        var ch0 = path.charCodeAt(0);
+        // POSIX or UNC
+        if (ch0 === 47 /* CharacterCodes.slash */ || ch0 === 92 /* CharacterCodes.backslash */) {
+            if (path.charCodeAt(1) !== ch0)
+                return 1; // POSIX: "/" (or non-normalized "\")
+            var p1 = path.indexOf(ch0 === 47 /* CharacterCodes.slash */ ? ts.directorySeparator : ts.altDirectorySeparator, 2);
+            if (p1 < 0)
+                return path.length; // UNC: "//server" or "\\server"
+            return p1 + 1; // UNC: "//server/" or "\\server\"
+        }
+        // DOS
+        if (isVolumeCharacter(ch0) && path.charCodeAt(1) === 58 /* CharacterCodes.colon */) {
+            var ch2 = path.charCodeAt(2);
+            if (ch2 === 47 /* CharacterCodes.slash */ || ch2 === 92 /* CharacterCodes.backslash */)
+                return 3; // DOS: "c:/" or "c:\"
+            if (path.length === 2)
+                return 2; // DOS: "c:" (but not "c:d")
+        }
+        // URL
+        var schemeEnd = path.indexOf(urlSchemeSeparator);
+        if (schemeEnd !== -1) {
+            var authorityStart = schemeEnd + urlSchemeSeparator.length;
+            var authorityEnd = path.indexOf(ts.directorySeparator, authorityStart);
+            if (authorityEnd !== -1) { // URL: "file:///", "file://server/", "file://server/path"
+                // For local "file" URLs, include the leading DOS volume (if present).
+                // Per https://www.ietf.org/rfc/rfc1738.txt, a host of "" or "localhost" is a
+                // special case interpreted as "the machine from which the URL is being interpreted".
+                var scheme = path.slice(0, schemeEnd);
+                var authority = path.slice(authorityStart, authorityEnd);
+                if (scheme === "file" && (authority === "" || authority === "localhost") &&
+                    isVolumeCharacter(path.charCodeAt(authorityEnd + 1))) {
+                    var volumeSeparatorEnd = getFileUrlVolumeSeparatorEnd(path, authorityEnd + 2);
+                    if (volumeSeparatorEnd !== -1) {
+                        if (path.charCodeAt(volumeSeparatorEnd) === 47 /* CharacterCodes.slash */) {
+                            // URL: "file:///c:/", "file://localhost/c:/", "file:///c%3a/", "file://localhost/c%3a/"
+                            return ~(volumeSeparatorEnd + 1);
+                        }
+                        if (volumeSeparatorEnd === path.length) {
+                            // URL: "file:///c:", "file://localhost/c:", "file:///c$3a", "file://localhost/c%3a"
+                            // but not "file:///c:d" or "file:///c%3ad"
+                            return ~volumeSeparatorEnd;
+                        }
+                    }
+                }
+                return ~(authorityEnd + 1); // URL: "file://server/", "http://server/"
+            }
+            return ~path.length; // URL: "file://server", "http://server"
+        }
+        // relative
+        return 0;
+    }
+    /**
+     * Returns length of the root part of a path or URL (i.e. length of "/", "x:/", "//server/share/, file:///user/files").
+     *
+     * For example:
+     * ```ts
+     * getRootLength("a") === 0                   // ""
+     * getRootLength("/") === 1                   // "/"
+     * getRootLength("c:") === 2                  // "c:"
+     * getRootLength("c:d") === 0                 // ""
+     * getRootLength("c:/") === 3                 // "c:/"
+     * getRootLength("c:\\") === 3                // "c:\\"
+     * getRootLength("//server") === 7            // "//server"
+     * getRootLength("//server/share") === 8      // "//server/"
+     * getRootLength("\\\\server") === 7          // "\\\\server"
+     * getRootLength("\\\\server\\share") === 8   // "\\\\server\\"
+     * getRootLength("file:///path") === 8        // "file:///"
+     * getRootLength("file:///c:") === 10         // "file:///c:"
+     * getRootLength("file:///c:d") === 8         // "file:///"
+     * getRootLength("file:///c:/path") === 11    // "file:///c:/"
+     * getRootLength("file://server") === 13      // "file://server"
+     * getRootLength("file://server/path") === 14 // "file://server/"
+     * getRootLength("http://server") === 13      // "http://server"
+     * getRootLength("http://server/path") === 14 // "http://server/"
+     * ```
+     */
+    function getRootLength(path) {
+        var rootLength = getEncodedRootLength(path);
+        return rootLength < 0 ? ~rootLength : rootLength;
+    }
+    ts.getRootLength = getRootLength;
+    function getDirectoryPath(path) {
+        path = normalizeSlashes(path);
+        // If the path provided is itself the root, then return it.
+        var rootLength = getRootLength(path);
+        if (rootLength === path.length)
+            return path;
+        // return the leading portion of the path up to the last (non-terminal) directory separator
+        // but not including any trailing directory separator.
+        path = removeTrailingDirectorySeparator(path);
+        return path.slice(0, Math.max(rootLength, path.lastIndexOf(ts.directorySeparator)));
+    }
+    ts.getDirectoryPath = getDirectoryPath;
+    function getBaseFileName(path, extensions, ignoreCase) {
+        path = normalizeSlashes(path);
+        // if the path provided is itself the root, then it has not file name.
+        var rootLength = getRootLength(path);
+        if (rootLength === path.length)
+            return "";
+        // return the trailing portion of the path starting after the last (non-terminal) directory
+        // separator but not including any trailing directory separator.
+        path = removeTrailingDirectorySeparator(path);
+        var name = path.slice(Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator) + 1));
+        var extension = extensions !== undefined && ignoreCase !== undefined ? getAnyExtensionFromPath(name, extensions, ignoreCase) : undefined;
+        return extension ? name.slice(0, name.length - extension.length) : name;
+    }
+    ts.getBaseFileName = getBaseFileName;
+    function tryGetExtensionFromPath(path, extension, stringEqualityComparer) {
+        if (!ts.startsWith(extension, "."))
+            extension = "." + extension;
+        if (path.length >= extension.length && path.charCodeAt(path.length - extension.length) === 46 /* CharacterCodes.dot */) {
+            var pathExtension = path.slice(path.length - extension.length);
+            if (stringEqualityComparer(pathExtension, extension)) {
+                return pathExtension;
+            }
+        }
+    }
+    function getAnyExtensionFromPathWorker(path, extensions, stringEqualityComparer) {
+        if (typeof extensions === "string") {
+            return tryGetExtensionFromPath(path, extensions, stringEqualityComparer) || "";
+        }
+        for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) {
+            var extension = extensions_2[_i];
+            var result = tryGetExtensionFromPath(path, extension, stringEqualityComparer);
+            if (result)
+                return result;
+        }
+        return "";
+    }
+    function getAnyExtensionFromPath(path, extensions, ignoreCase) {
+        // Retrieves any string from the final "." onwards from a base file name.
+        // Unlike extensionFromPath, which throws an exception on unrecognized extensions.
+        if (extensions) {
+            return getAnyExtensionFromPathWorker(removeTrailingDirectorySeparator(path), extensions, ignoreCase ? ts.equateStringsCaseInsensitive : ts.equateStringsCaseSensitive);
+        }
+        var baseFileName = getBaseFileName(path);
+        var extensionIndex = baseFileName.lastIndexOf(".");
+        if (extensionIndex >= 0) {
+            return baseFileName.substring(extensionIndex);
+        }
+        return "";
+    }
+    ts.getAnyExtensionFromPath = getAnyExtensionFromPath;
+    function pathComponents(path, rootLength) {
+        var root = path.substring(0, rootLength);
+        var rest = path.substring(rootLength).split(ts.directorySeparator);
+        if (rest.length && !ts.lastOrUndefined(rest))
+            rest.pop();
+        return __spreadArray([root], rest, true);
+    }
+    /**
+     * Parse a path into an array containing a root component (at index 0) and zero or more path
+     * components (at indices > 0). The result is not normalized.
+     * If the path is relative, the root component is `""`.
+     * If the path is absolute, the root component includes the first path separator (`/`).
+     *
+     * ```ts
+     * // POSIX
+     * getPathComponents("/path/to/file.ext") === ["/", "path", "to", "file.ext"]
+     * getPathComponents("/path/to/") === ["/", "path", "to"]
+     * getPathComponents("/") === ["/"]
+     * // DOS
+     * getPathComponents("c:/path/to/file.ext") === ["c:/", "path", "to", "file.ext"]
+     * getPathComponents("c:/path/to/") === ["c:/", "path", "to"]
+     * getPathComponents("c:/") === ["c:/"]
+     * getPathComponents("c:") === ["c:"]
+     * // URL
+     * getPathComponents("http://typescriptlang.org/path/to/file.ext") === ["http://typescriptlang.org/", "path", "to", "file.ext"]
+     * getPathComponents("http://typescriptlang.org/path/to/") === ["http://typescriptlang.org/", "path", "to"]
+     * getPathComponents("http://typescriptlang.org/") === ["http://typescriptlang.org/"]
+     * getPathComponents("http://typescriptlang.org") === ["http://typescriptlang.org"]
+     * getPathComponents("file://server/path/to/file.ext") === ["file://server/", "path", "to", "file.ext"]
+     * getPathComponents("file://server/path/to/") === ["file://server/", "path", "to"]
+     * getPathComponents("file://server/") === ["file://server/"]
+     * getPathComponents("file://server") === ["file://server"]
+     * getPathComponents("file:///path/to/file.ext") === ["file:///", "path", "to", "file.ext"]
+     * getPathComponents("file:///path/to/") === ["file:///", "path", "to"]
+     * getPathComponents("file:///") === ["file:///"]
+     * getPathComponents("file://") === ["file://"]
+     */
+    function getPathComponents(path, currentDirectory) {
+        if (currentDirectory === void 0) { currentDirectory = ""; }
+        path = combinePaths(currentDirectory, path);
+        return pathComponents(path, getRootLength(path));
+    }
+    ts.getPathComponents = getPathComponents;
+    //// Path Formatting
+    /**
+     * Formats a parsed path consisting of a root component (at index 0) and zero or more path
+     * segments (at indices > 0).
+     *
+     * ```ts
+     * getPathFromPathComponents(["/", "path", "to", "file.ext"]) === "/path/to/file.ext"
+     * ```
+     */
+    function getPathFromPathComponents(pathComponents) {
+        if (pathComponents.length === 0)
+            return "";
+        var root = pathComponents[0] && ensureTrailingDirectorySeparator(pathComponents[0]);
+        return root + pathComponents.slice(1).join(ts.directorySeparator);
+    }
+    ts.getPathFromPathComponents = getPathFromPathComponents;
+    //// Path Normalization
+    /**
+     * Normalize path separators, converting `\` into `/`.
+     */
+    function normalizeSlashes(path) {
+        var index = path.indexOf("\\");
+        if (index === -1) {
+            return path;
+        }
+        backslashRegExp.lastIndex = index; // prime regex with known position
+        return path.replace(backslashRegExp, ts.directorySeparator);
+    }
+    ts.normalizeSlashes = normalizeSlashes;
+    /**
+     * Reduce an array of path components to a more simplified path by navigating any
+     * `"."` or `".."` entries in the path.
+     */
+    function reducePathComponents(components) {
+        if (!ts.some(components))
+            return [];
+        var reduced = [components[0]];
+        for (var i = 1; i < components.length; i++) {
+            var component = components[i];
+            if (!component)
+                continue;
+            if (component === ".")
+                continue;
+            if (component === "..") {
+                if (reduced.length > 1) {
+                    if (reduced[reduced.length - 1] !== "..") {
+                        reduced.pop();
+                        continue;
+                    }
+                }
+                else if (reduced[0])
+                    continue;
+            }
+            reduced.push(component);
+        }
+        return reduced;
+    }
+    ts.reducePathComponents = reducePathComponents;
+    /**
+     * Combines paths. If a path is absolute, it replaces any previous path. Relative paths are not simplified.
+     *
+     * ```ts
+     * // Non-rooted
+     * combinePaths("path", "to", "file.ext") === "path/to/file.ext"
+     * combinePaths("path", "dir", "..", "to", "file.ext") === "path/dir/../to/file.ext"
+     * // POSIX
+     * combinePaths("/path", "to", "file.ext") === "/path/to/file.ext"
+     * combinePaths("/path", "/to", "file.ext") === "/to/file.ext"
+     * // DOS
+     * combinePaths("c:/path", "to", "file.ext") === "c:/path/to/file.ext"
+     * combinePaths("c:/path", "c:/to", "file.ext") === "c:/to/file.ext"
+     * // URL
+     * combinePaths("file:///path", "to", "file.ext") === "file:///path/to/file.ext"
+     * combinePaths("file:///path", "file:///to", "file.ext") === "file:///to/file.ext"
+     * ```
+     */
+    function combinePaths(path) {
+        var paths = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            paths[_i - 1] = arguments[_i];
+        }
+        if (path)
+            path = normalizeSlashes(path);
+        for (var _a = 0, paths_1 = paths; _a < paths_1.length; _a++) {
+            var relativePath = paths_1[_a];
+            if (!relativePath)
+                continue;
+            relativePath = normalizeSlashes(relativePath);
+            if (!path || getRootLength(relativePath) !== 0) {
+                path = relativePath;
+            }
+            else {
+                path = ensureTrailingDirectorySeparator(path) + relativePath;
+            }
+        }
+        return path;
+    }
+    ts.combinePaths = combinePaths;
+    /**
+     * Combines and resolves paths. If a path is absolute, it replaces any previous path. Any
+     * `.` and `..` path components are resolved. Trailing directory separators are preserved.
+     *
+     * ```ts
+     * resolvePath("/path", "to", "file.ext") === "path/to/file.ext"
+     * resolvePath("/path", "to", "file.ext/") === "path/to/file.ext/"
+     * resolvePath("/path", "dir", "..", "to", "file.ext") === "path/to/file.ext"
+     * ```
+     */
+    function resolvePath(path) {
+        var paths = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            paths[_i - 1] = arguments[_i];
+        }
+        return normalizePath(ts.some(paths) ? combinePaths.apply(void 0, __spreadArray([path], paths, false)) : normalizeSlashes(path));
+    }
+    ts.resolvePath = resolvePath;
+    /**
+     * Parse a path into an array containing a root component (at index 0) and zero or more path
+     * components (at indices > 0). The result is normalized.
+     * If the path is relative, the root component is `""`.
+     * If the path is absolute, the root component includes the first path separator (`/`).
+     *
+     * ```ts
+     * getNormalizedPathComponents("to/dir/../file.ext", "/path/") === ["/", "path", "to", "file.ext"]
+     * ```
+     */
+    function getNormalizedPathComponents(path, currentDirectory) {
+        return reducePathComponents(getPathComponents(path, currentDirectory));
+    }
+    ts.getNormalizedPathComponents = getNormalizedPathComponents;
+    function getNormalizedAbsolutePath(fileName, currentDirectory) {
+        return getPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory));
+    }
+    ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath;
+    function normalizePath(path) {
+        path = normalizeSlashes(path);
+        // Most paths don't require normalization
+        if (!relativePathSegmentRegExp.test(path)) {
+            return path;
+        }
+        // Some paths only require cleanup of `/./` or leading `./`
+        var simplified = path.replace(/\/\.\//g, "/").replace(/^\.\//, "");
+        if (simplified !== path) {
+            path = simplified;
+            if (!relativePathSegmentRegExp.test(path)) {
+                return path;
+            }
+        }
+        // Other paths require full normalization
+        var normalized = getPathFromPathComponents(reducePathComponents(getPathComponents(path)));
+        return normalized && hasTrailingDirectorySeparator(path) ? ensureTrailingDirectorySeparator(normalized) : normalized;
+    }
+    ts.normalizePath = normalizePath;
+    function getPathWithoutRoot(pathComponents) {
+        if (pathComponents.length === 0)
+            return "";
+        return pathComponents.slice(1).join(ts.directorySeparator);
+    }
+    function getNormalizedAbsolutePathWithoutRoot(fileName, currentDirectory) {
+        return getPathWithoutRoot(getNormalizedPathComponents(fileName, currentDirectory));
+    }
+    ts.getNormalizedAbsolutePathWithoutRoot = getNormalizedAbsolutePathWithoutRoot;
+    function toPath(fileName, basePath, getCanonicalFileName) {
+        var nonCanonicalizedPath = isRootedDiskPath(fileName)
+            ? normalizePath(fileName)
+            : getNormalizedAbsolutePath(fileName, basePath);
+        return getCanonicalFileName(nonCanonicalizedPath);
+    }
+    ts.toPath = toPath;
+    function removeTrailingDirectorySeparator(path) {
+        if (hasTrailingDirectorySeparator(path)) {
+            return path.substr(0, path.length - 1);
+        }
+        return path;
+    }
+    ts.removeTrailingDirectorySeparator = removeTrailingDirectorySeparator;
+    function ensureTrailingDirectorySeparator(path) {
+        if (!hasTrailingDirectorySeparator(path)) {
+            return path + ts.directorySeparator;
+        }
+        return path;
+    }
+    ts.ensureTrailingDirectorySeparator = ensureTrailingDirectorySeparator;
+    /**
+     * Ensures a path is either absolute (prefixed with `/` or `c:`) or dot-relative (prefixed
+     * with `./` or `../`) so as not to be confused with an unprefixed module name.
+     *
+     * ```ts
+     * ensurePathIsNonModuleName("/path/to/file.ext") === "/path/to/file.ext"
+     * ensurePathIsNonModuleName("./path/to/file.ext") === "./path/to/file.ext"
+     * ensurePathIsNonModuleName("../path/to/file.ext") === "../path/to/file.ext"
+     * ensurePathIsNonModuleName("path/to/file.ext") === "./path/to/file.ext"
+     * ```
+     */
+    function ensurePathIsNonModuleName(path) {
+        return !pathIsAbsolute(path) && !pathIsRelative(path) ? "./" + path : path;
+    }
+    ts.ensurePathIsNonModuleName = ensurePathIsNonModuleName;
+    function changeAnyExtension(path, ext, extensions, ignoreCase) {
+        var pathext = extensions !== undefined && ignoreCase !== undefined ? getAnyExtensionFromPath(path, extensions, ignoreCase) : getAnyExtensionFromPath(path);
+        return pathext ? path.slice(0, path.length - pathext.length) + (ts.startsWith(ext, ".") ? ext : "." + ext) : path;
+    }
+    ts.changeAnyExtension = changeAnyExtension;
+    //// Path Comparisons
+    // check path for these segments: '', '.'. '..'
+    var relativePathSegmentRegExp = /(?:\/\/)|(?:^|\/)\.\.?(?:$|\/)/;
+    function comparePathsWorker(a, b, componentComparer) {
+        if (a === b)
+            return 0 /* Comparison.EqualTo */;
+        if (a === undefined)
+            return -1 /* Comparison.LessThan */;
+        if (b === undefined)
+            return 1 /* Comparison.GreaterThan */;
+        // NOTE: Performance optimization - shortcut if the root segments differ as there would be no
+        //       need to perform path reduction.
+        var aRoot = a.substring(0, getRootLength(a));
+        var bRoot = b.substring(0, getRootLength(b));
+        var result = ts.compareStringsCaseInsensitive(aRoot, bRoot);
+        if (result !== 0 /* Comparison.EqualTo */) {
+            return result;
+        }
+        // NOTE: Performance optimization - shortcut if there are no relative path segments in
+        //       the non-root portion of the path
+        var aRest = a.substring(aRoot.length);
+        var bRest = b.substring(bRoot.length);
+        if (!relativePathSegmentRegExp.test(aRest) && !relativePathSegmentRegExp.test(bRest)) {
+            return componentComparer(aRest, bRest);
+        }
+        // The path contains a relative path segment. Normalize the paths and perform a slower component
+        // by component comparison.
+        var aComponents = reducePathComponents(getPathComponents(a));
+        var bComponents = reducePathComponents(getPathComponents(b));
+        var sharedLength = Math.min(aComponents.length, bComponents.length);
+        for (var i = 1; i < sharedLength; i++) {
+            var result_2 = componentComparer(aComponents[i], bComponents[i]);
+            if (result_2 !== 0 /* Comparison.EqualTo */) {
+                return result_2;
+            }
+        }
+        return ts.compareValues(aComponents.length, bComponents.length);
+    }
+    /**
+     * Performs a case-sensitive comparison of two paths. Path roots are always compared case-insensitively.
+     */
+    function comparePathsCaseSensitive(a, b) {
+        return comparePathsWorker(a, b, ts.compareStringsCaseSensitive);
+    }
+    ts.comparePathsCaseSensitive = comparePathsCaseSensitive;
+    /**
+     * Performs a case-insensitive comparison of two paths.
+     */
+    function comparePathsCaseInsensitive(a, b) {
+        return comparePathsWorker(a, b, ts.compareStringsCaseInsensitive);
+    }
+    ts.comparePathsCaseInsensitive = comparePathsCaseInsensitive;
+    function comparePaths(a, b, currentDirectory, ignoreCase) {
+        if (typeof currentDirectory === "string") {
+            a = combinePaths(currentDirectory, a);
+            b = combinePaths(currentDirectory, b);
+        }
+        else if (typeof currentDirectory === "boolean") {
+            ignoreCase = currentDirectory;
+        }
+        return comparePathsWorker(a, b, ts.getStringComparer(ignoreCase));
+    }
+    ts.comparePaths = comparePaths;
+    function containsPath(parent, child, currentDirectory, ignoreCase) {
+        if (typeof currentDirectory === "string") {
+            parent = combinePaths(currentDirectory, parent);
+            child = combinePaths(currentDirectory, child);
+        }
+        else if (typeof currentDirectory === "boolean") {
+            ignoreCase = currentDirectory;
+        }
+        if (parent === undefined || child === undefined)
+            return false;
+        if (parent === child)
+            return true;
+        var parentComponents = reducePathComponents(getPathComponents(parent));
+        var childComponents = reducePathComponents(getPathComponents(child));
+        if (childComponents.length < parentComponents.length) {
+            return false;
+        }
+        var componentEqualityComparer = ignoreCase ? ts.equateStringsCaseInsensitive : ts.equateStringsCaseSensitive;
+        for (var i = 0; i < parentComponents.length; i++) {
+            var equalityComparer = i === 0 ? ts.equateStringsCaseInsensitive : componentEqualityComparer;
+            if (!equalityComparer(parentComponents[i], childComponents[i])) {
+                return false;
+            }
+        }
+        return true;
+    }
+    ts.containsPath = containsPath;
+    /**
+     * Determines whether `fileName` starts with the specified `directoryName` using the provided path canonicalization callback.
+     * Comparison is case-sensitive between the canonical paths.
+     *
+     * Use `containsPath` if file names are not already reduced and absolute.
+     */
+    function startsWithDirectory(fileName, directoryName, getCanonicalFileName) {
+        var canonicalFileName = getCanonicalFileName(fileName);
+        var canonicalDirectoryName = getCanonicalFileName(directoryName);
+        return ts.startsWith(canonicalFileName, canonicalDirectoryName + "/") || ts.startsWith(canonicalFileName, canonicalDirectoryName + "\\");
+    }
+    ts.startsWithDirectory = startsWithDirectory;
+    //// Relative Paths
+    function getPathComponentsRelativeTo(from, to, stringEqualityComparer, getCanonicalFileName) {
+        var fromComponents = reducePathComponents(getPathComponents(from));
+        var toComponents = reducePathComponents(getPathComponents(to));
+        var start;
+        for (start = 0; start < fromComponents.length && start < toComponents.length; start++) {
+            var fromComponent = getCanonicalFileName(fromComponents[start]);
+            var toComponent = getCanonicalFileName(toComponents[start]);
+            var comparer = start === 0 ? ts.equateStringsCaseInsensitive : stringEqualityComparer;
+            if (!comparer(fromComponent, toComponent))
+                break;
+        }
+        if (start === 0) {
+            return toComponents;
+        }
+        var components = toComponents.slice(start);
+        var relative = [];
+        for (; start < fromComponents.length; start++) {
+            relative.push("..");
+        }
+        return __spreadArray(__spreadArray([""], relative, true), components, true);
+    }
+    ts.getPathComponentsRelativeTo = getPathComponentsRelativeTo;
+    function getRelativePathFromDirectory(fromDirectory, to, getCanonicalFileNameOrIgnoreCase) {
+        ts.Debug.assert((getRootLength(fromDirectory) > 0) === (getRootLength(to) > 0), "Paths must either both be absolute or both be relative");
+        var getCanonicalFileName = typeof getCanonicalFileNameOrIgnoreCase === "function" ? getCanonicalFileNameOrIgnoreCase : ts.identity;
+        var ignoreCase = typeof getCanonicalFileNameOrIgnoreCase === "boolean" ? getCanonicalFileNameOrIgnoreCase : false;
+        var pathComponents = getPathComponentsRelativeTo(fromDirectory, to, ignoreCase ? ts.equateStringsCaseInsensitive : ts.equateStringsCaseSensitive, getCanonicalFileName);
+        return getPathFromPathComponents(pathComponents);
+    }
+    ts.getRelativePathFromDirectory = getRelativePathFromDirectory;
+    function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) {
+        return !isRootedDiskPath(absoluteOrRelativePath)
+            ? absoluteOrRelativePath
+            : getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
+    }
+    ts.convertToRelativePath = convertToRelativePath;
+    function getRelativePathFromFile(from, to, getCanonicalFileName) {
+        return ensurePathIsNonModuleName(getRelativePathFromDirectory(getDirectoryPath(from), to, getCanonicalFileName));
+    }
+    ts.getRelativePathFromFile = getRelativePathFromFile;
+    function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) {
+        var pathComponents = getPathComponentsRelativeTo(resolvePath(currentDirectory, directoryPathOrUrl), resolvePath(currentDirectory, relativeOrAbsolutePath), ts.equateStringsCaseSensitive, getCanonicalFileName);
+        var firstComponent = pathComponents[0];
+        if (isAbsolutePathAnUrl && isRootedDiskPath(firstComponent)) {
+            var prefix = firstComponent.charAt(0) === ts.directorySeparator ? "file://" : "file:///";
+            pathComponents[0] = prefix + firstComponent;
+        }
+        return getPathFromPathComponents(pathComponents);
+    }
+    ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl;
+    function forEachAncestorDirectory(directory, callback) {
+        while (true) {
+            var result = callback(directory);
+            if (result !== undefined) {
+                return result;
+            }
+            var parentPath = getDirectoryPath(directory);
+            if (parentPath === directory) {
+                return undefined;
+            }
+            directory = parentPath;
+        }
+    }
+    ts.forEachAncestorDirectory = forEachAncestorDirectory;
+    function isNodeModulesDirectory(dirPath) {
+        return ts.endsWith(dirPath, "/node_modules");
+    }
+    ts.isNodeModulesDirectory = isNodeModulesDirectory;
+})(ts || (ts = {}));
+// 
+// generated from './diagnosticMessages.json' in 'src/compiler'
+/* @internal */
+var ts;
+(function (ts) {
+    function diag(code, category, key, message, reportsUnnecessary, elidedInCompatabilityPyramid, reportsDeprecated) {
+        return { code: code, category: category, key: key, message: message, reportsUnnecessary: reportsUnnecessary, elidedInCompatabilityPyramid: elidedInCompatabilityPyramid, reportsDeprecated: reportsDeprecated };
+    }
+    ts.Diagnostics = {
+        Unterminated_string_literal: diag(1002, ts.DiagnosticCategory.Error, "Unterminated_string_literal_1002", "Unterminated string literal."),
+        Identifier_expected: diag(1003, ts.DiagnosticCategory.Error, "Identifier_expected_1003", "Identifier expected."),
+        _0_expected: diag(1005, ts.DiagnosticCategory.Error, "_0_expected_1005", "'{0}' expected."),
+        A_file_cannot_have_a_reference_to_itself: diag(1006, ts.DiagnosticCategory.Error, "A_file_cannot_have_a_reference_to_itself_1006", "A file cannot have a reference to itself."),
+        The_parser_expected_to_find_a_1_to_match_the_0_token_here: diag(1007, ts.DiagnosticCategory.Error, "The_parser_expected_to_find_a_1_to_match_the_0_token_here_1007", "The parser expected to find a '{1}' to match the '{0}' token here."),
+        Trailing_comma_not_allowed: diag(1009, ts.DiagnosticCategory.Error, "Trailing_comma_not_allowed_1009", "Trailing comma not allowed."),
+        Asterisk_Slash_expected: diag(1010, ts.DiagnosticCategory.Error, "Asterisk_Slash_expected_1010", "'*/' expected."),
+        An_element_access_expression_should_take_an_argument: diag(1011, ts.DiagnosticCategory.Error, "An_element_access_expression_should_take_an_argument_1011", "An element access expression should take an argument."),
+        Unexpected_token: diag(1012, ts.DiagnosticCategory.Error, "Unexpected_token_1012", "Unexpected token."),
+        A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma: diag(1013, ts.DiagnosticCategory.Error, "A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma_1013", "A rest parameter or binding pattern may not have a trailing comma."),
+        A_rest_parameter_must_be_last_in_a_parameter_list: diag(1014, ts.DiagnosticCategory.Error, "A_rest_parameter_must_be_last_in_a_parameter_list_1014", "A rest parameter must be last in a parameter list."),
+        Parameter_cannot_have_question_mark_and_initializer: diag(1015, ts.DiagnosticCategory.Error, "Parameter_cannot_have_question_mark_and_initializer_1015", "Parameter cannot have question mark and initializer."),
+        A_required_parameter_cannot_follow_an_optional_parameter: diag(1016, ts.DiagnosticCategory.Error, "A_required_parameter_cannot_follow_an_optional_parameter_1016", "A required parameter cannot follow an optional parameter."),
+        An_index_signature_cannot_have_a_rest_parameter: diag(1017, ts.DiagnosticCategory.Error, "An_index_signature_cannot_have_a_rest_parameter_1017", "An index signature cannot have a rest parameter."),
+        An_index_signature_parameter_cannot_have_an_accessibility_modifier: diag(1018, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", "An index signature parameter cannot have an accessibility modifier."),
+        An_index_signature_parameter_cannot_have_a_question_mark: diag(1019, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_a_question_mark_1019", "An index signature parameter cannot have a question mark."),
+        An_index_signature_parameter_cannot_have_an_initializer: diag(1020, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_an_initializer_1020", "An index signature parameter cannot have an initializer."),
+        An_index_signature_must_have_a_type_annotation: diag(1021, ts.DiagnosticCategory.Error, "An_index_signature_must_have_a_type_annotation_1021", "An index signature must have a type annotation."),
+        An_index_signature_parameter_must_have_a_type_annotation: diag(1022, ts.DiagnosticCategory.Error, "An_index_signature_parameter_must_have_a_type_annotation_1022", "An index signature parameter must have a type annotation."),
+        readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature: diag(1024, ts.DiagnosticCategory.Error, "readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature_1024", "'readonly' modifier can only appear on a property declaration or index signature."),
+        An_index_signature_cannot_have_a_trailing_comma: diag(1025, ts.DiagnosticCategory.Error, "An_index_signature_cannot_have_a_trailing_comma_1025", "An index signature cannot have a trailing comma."),
+        Accessibility_modifier_already_seen: diag(1028, ts.DiagnosticCategory.Error, "Accessibility_modifier_already_seen_1028", "Accessibility modifier already seen."),
+        _0_modifier_must_precede_1_modifier: diag(1029, ts.DiagnosticCategory.Error, "_0_modifier_must_precede_1_modifier_1029", "'{0}' modifier must precede '{1}' modifier."),
+        _0_modifier_already_seen: diag(1030, ts.DiagnosticCategory.Error, "_0_modifier_already_seen_1030", "'{0}' modifier already seen."),
+        _0_modifier_cannot_appear_on_class_elements_of_this_kind: diag(1031, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_class_elements_of_this_kind_1031", "'{0}' modifier cannot appear on class elements of this kind."),
+        super_must_be_followed_by_an_argument_list_or_member_access: diag(1034, ts.DiagnosticCategory.Error, "super_must_be_followed_by_an_argument_list_or_member_access_1034", "'super' must be followed by an argument list or member access."),
+        Only_ambient_modules_can_use_quoted_names: diag(1035, ts.DiagnosticCategory.Error, "Only_ambient_modules_can_use_quoted_names_1035", "Only ambient modules can use quoted names."),
+        Statements_are_not_allowed_in_ambient_contexts: diag(1036, ts.DiagnosticCategory.Error, "Statements_are_not_allowed_in_ambient_contexts_1036", "Statements are not allowed in ambient contexts."),
+        A_declare_modifier_cannot_be_used_in_an_already_ambient_context: diag(1038, ts.DiagnosticCategory.Error, "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", "A 'declare' modifier cannot be used in an already ambient context."),
+        Initializers_are_not_allowed_in_ambient_contexts: diag(1039, ts.DiagnosticCategory.Error, "Initializers_are_not_allowed_in_ambient_contexts_1039", "Initializers are not allowed in ambient contexts."),
+        _0_modifier_cannot_be_used_in_an_ambient_context: diag(1040, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_in_an_ambient_context_1040", "'{0}' modifier cannot be used in an ambient context."),
+        _0_modifier_cannot_be_used_here: diag(1042, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_here_1042", "'{0}' modifier cannot be used here."),
+        _0_modifier_cannot_appear_on_a_module_or_namespace_element: diag(1044, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_module_or_namespace_element_1044", "'{0}' modifier cannot appear on a module or namespace element."),
+        Top_level_declarations_in_d_ts_files_must_start_with_either_a_declare_or_export_modifier: diag(1046, ts.DiagnosticCategory.Error, "Top_level_declarations_in_d_ts_files_must_start_with_either_a_declare_or_export_modifier_1046", "Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier."),
+        A_rest_parameter_cannot_be_optional: diag(1047, ts.DiagnosticCategory.Error, "A_rest_parameter_cannot_be_optional_1047", "A rest parameter cannot be optional."),
+        A_rest_parameter_cannot_have_an_initializer: diag(1048, ts.DiagnosticCategory.Error, "A_rest_parameter_cannot_have_an_initializer_1048", "A rest parameter cannot have an initializer."),
+        A_set_accessor_must_have_exactly_one_parameter: diag(1049, ts.DiagnosticCategory.Error, "A_set_accessor_must_have_exactly_one_parameter_1049", "A 'set' accessor must have exactly one parameter."),
+        A_set_accessor_cannot_have_an_optional_parameter: diag(1051, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_an_optional_parameter_1051", "A 'set' accessor cannot have an optional parameter."),
+        A_set_accessor_parameter_cannot_have_an_initializer: diag(1052, ts.DiagnosticCategory.Error, "A_set_accessor_parameter_cannot_have_an_initializer_1052", "A 'set' accessor parameter cannot have an initializer."),
+        A_set_accessor_cannot_have_rest_parameter: diag(1053, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_rest_parameter_1053", "A 'set' accessor cannot have rest parameter."),
+        A_get_accessor_cannot_have_parameters: diag(1054, ts.DiagnosticCategory.Error, "A_get_accessor_cannot_have_parameters_1054", "A 'get' accessor cannot have parameters."),
+        Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value: diag(1055, ts.DiagnosticCategory.Error, "Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Prom_1055", "Type '{0}' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value."),
+        Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: diag(1056, ts.DiagnosticCategory.Error, "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", "Accessors are only available when targeting ECMAScript 5 and higher."),
+        The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1058, ts.DiagnosticCategory.Error, "The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_t_1058", "The return type of an async function must either be a valid promise or must not contain a callable 'then' member."),
+        A_promise_must_have_a_then_method: diag(1059, ts.DiagnosticCategory.Error, "A_promise_must_have_a_then_method_1059", "A promise must have a 'then' method."),
+        The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback: diag(1060, ts.DiagnosticCategory.Error, "The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback_1060", "The first parameter of the 'then' method of a promise must be a callback."),
+        Enum_member_must_have_initializer: diag(1061, ts.DiagnosticCategory.Error, "Enum_member_must_have_initializer_1061", "Enum member must have initializer."),
+        Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: diag(1062, ts.DiagnosticCategory.Error, "Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", "Type is referenced directly or indirectly in the fulfillment callback of its own 'then' method."),
+        An_export_assignment_cannot_be_used_in_a_namespace: diag(1063, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_be_used_in_a_namespace_1063", "An export assignment cannot be used in a namespace."),
+        The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_Did_you_mean_to_write_Promise_0: diag(1064, ts.DiagnosticCategory.Error, "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_Did_you_mean_to_wri_1064", "The return type of an async function or method must be the global Promise type. Did you mean to write 'Promise<{0}>'?"),
+        In_ambient_enum_declarations_member_initializer_must_be_constant_expression: diag(1066, ts.DiagnosticCategory.Error, "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", "In ambient enum declarations member initializer must be constant expression."),
+        Unexpected_token_A_constructor_method_accessor_or_property_was_expected: diag(1068, ts.DiagnosticCategory.Error, "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", "Unexpected token. A constructor, method, accessor, or property was expected."),
+        Unexpected_token_A_type_parameter_name_was_expected_without_curly_braces: diag(1069, ts.DiagnosticCategory.Error, "Unexpected_token_A_type_parameter_name_was_expected_without_curly_braces_1069", "Unexpected token. A type parameter name was expected without curly braces."),
+        _0_modifier_cannot_appear_on_a_type_member: diag(1070, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_type_member_1070", "'{0}' modifier cannot appear on a type member."),
+        _0_modifier_cannot_appear_on_an_index_signature: diag(1071, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_an_index_signature_1071", "'{0}' modifier cannot appear on an index signature."),
+        A_0_modifier_cannot_be_used_with_an_import_declaration: diag(1079, ts.DiagnosticCategory.Error, "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", "A '{0}' modifier cannot be used with an import declaration."),
+        Invalid_reference_directive_syntax: diag(1084, ts.DiagnosticCategory.Error, "Invalid_reference_directive_syntax_1084", "Invalid 'reference' directive syntax."),
+        Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0: diag(1085, ts.DiagnosticCategory.Error, "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0_1085", "Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '{0}'."),
+        _0_modifier_cannot_appear_on_a_constructor_declaration: diag(1089, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", "'{0}' modifier cannot appear on a constructor declaration."),
+        _0_modifier_cannot_appear_on_a_parameter: diag(1090, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_parameter_1090", "'{0}' modifier cannot appear on a parameter."),
+        Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: diag(1091, ts.DiagnosticCategory.Error, "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", "Only a single variable declaration is allowed in a 'for...in' statement."),
+        Type_parameters_cannot_appear_on_a_constructor_declaration: diag(1092, ts.DiagnosticCategory.Error, "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", "Type parameters cannot appear on a constructor declaration."),
+        Type_annotation_cannot_appear_on_a_constructor_declaration: diag(1093, ts.DiagnosticCategory.Error, "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", "Type annotation cannot appear on a constructor declaration."),
+        An_accessor_cannot_have_type_parameters: diag(1094, ts.DiagnosticCategory.Error, "An_accessor_cannot_have_type_parameters_1094", "An accessor cannot have type parameters."),
+        A_set_accessor_cannot_have_a_return_type_annotation: diag(1095, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_a_return_type_annotation_1095", "A 'set' accessor cannot have a return type annotation."),
+        An_index_signature_must_have_exactly_one_parameter: diag(1096, ts.DiagnosticCategory.Error, "An_index_signature_must_have_exactly_one_parameter_1096", "An index signature must have exactly one parameter."),
+        _0_list_cannot_be_empty: diag(1097, ts.DiagnosticCategory.Error, "_0_list_cannot_be_empty_1097", "'{0}' list cannot be empty."),
+        Type_parameter_list_cannot_be_empty: diag(1098, ts.DiagnosticCategory.Error, "Type_parameter_list_cannot_be_empty_1098", "Type parameter list cannot be empty."),
+        Type_argument_list_cannot_be_empty: diag(1099, ts.DiagnosticCategory.Error, "Type_argument_list_cannot_be_empty_1099", "Type argument list cannot be empty."),
+        Invalid_use_of_0_in_strict_mode: diag(1100, ts.DiagnosticCategory.Error, "Invalid_use_of_0_in_strict_mode_1100", "Invalid use of '{0}' in strict mode."),
+        with_statements_are_not_allowed_in_strict_mode: diag(1101, ts.DiagnosticCategory.Error, "with_statements_are_not_allowed_in_strict_mode_1101", "'with' statements are not allowed in strict mode."),
+        delete_cannot_be_called_on_an_identifier_in_strict_mode: diag(1102, ts.DiagnosticCategory.Error, "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", "'delete' cannot be called on an identifier in strict mode."),
+        for_await_loops_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules: diag(1103, ts.DiagnosticCategory.Error, "for_await_loops_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules_1103", "'for await' loops are only allowed within async functions and at the top levels of modules."),
+        A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: diag(1104, ts.DiagnosticCategory.Error, "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", "A 'continue' statement can only be used within an enclosing iteration statement."),
+        A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: diag(1105, ts.DiagnosticCategory.Error, "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", "A 'break' statement can only be used within an enclosing iteration or switch statement."),
+        The_left_hand_side_of_a_for_of_statement_may_not_be_async: diag(1106, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_may_not_be_async_1106", "The left-hand side of a 'for...of' statement may not be 'async'."),
+        Jump_target_cannot_cross_function_boundary: diag(1107, ts.DiagnosticCategory.Error, "Jump_target_cannot_cross_function_boundary_1107", "Jump target cannot cross function boundary."),
+        A_return_statement_can_only_be_used_within_a_function_body: diag(1108, ts.DiagnosticCategory.Error, "A_return_statement_can_only_be_used_within_a_function_body_1108", "A 'return' statement can only be used within a function body."),
+        Expression_expected: diag(1109, ts.DiagnosticCategory.Error, "Expression_expected_1109", "Expression expected."),
+        Type_expected: diag(1110, ts.DiagnosticCategory.Error, "Type_expected_1110", "Type expected."),
+        A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: diag(1113, ts.DiagnosticCategory.Error, "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", "A 'default' clause cannot appear more than once in a 'switch' statement."),
+        Duplicate_label_0: diag(1114, ts.DiagnosticCategory.Error, "Duplicate_label_0_1114", "Duplicate label '{0}'."),
+        A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: diag(1115, ts.DiagnosticCategory.Error, "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", "A 'continue' statement can only jump to a label of an enclosing iteration statement."),
+        A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: diag(1116, ts.DiagnosticCategory.Error, "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", "A 'break' statement can only jump to a label of an enclosing statement."),
+        An_object_literal_cannot_have_multiple_properties_with_the_same_name: diag(1117, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_multiple_properties_with_the_same_name_1117", "An object literal cannot have multiple properties with the same name."),
+        An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: diag(1118, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", "An object literal cannot have multiple get/set accessors with the same name."),
+        An_object_literal_cannot_have_property_and_accessor_with_the_same_name: diag(1119, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", "An object literal cannot have property and accessor with the same name."),
+        An_export_assignment_cannot_have_modifiers: diag(1120, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_have_modifiers_1120", "An export assignment cannot have modifiers."),
+        Octal_literals_are_not_allowed_in_strict_mode: diag(1121, ts.DiagnosticCategory.Error, "Octal_literals_are_not_allowed_in_strict_mode_1121", "Octal literals are not allowed in strict mode."),
+        Variable_declaration_list_cannot_be_empty: diag(1123, ts.DiagnosticCategory.Error, "Variable_declaration_list_cannot_be_empty_1123", "Variable declaration list cannot be empty."),
+        Digit_expected: diag(1124, ts.DiagnosticCategory.Error, "Digit_expected_1124", "Digit expected."),
+        Hexadecimal_digit_expected: diag(1125, ts.DiagnosticCategory.Error, "Hexadecimal_digit_expected_1125", "Hexadecimal digit expected."),
+        Unexpected_end_of_text: diag(1126, ts.DiagnosticCategory.Error, "Unexpected_end_of_text_1126", "Unexpected end of text."),
+        Invalid_character: diag(1127, ts.DiagnosticCategory.Error, "Invalid_character_1127", "Invalid character."),
+        Declaration_or_statement_expected: diag(1128, ts.DiagnosticCategory.Error, "Declaration_or_statement_expected_1128", "Declaration or statement expected."),
+        Statement_expected: diag(1129, ts.DiagnosticCategory.Error, "Statement_expected_1129", "Statement expected."),
+        case_or_default_expected: diag(1130, ts.DiagnosticCategory.Error, "case_or_default_expected_1130", "'case' or 'default' expected."),
+        Property_or_signature_expected: diag(1131, ts.DiagnosticCategory.Error, "Property_or_signature_expected_1131", "Property or signature expected."),
+        Enum_member_expected: diag(1132, ts.DiagnosticCategory.Error, "Enum_member_expected_1132", "Enum member expected."),
+        Variable_declaration_expected: diag(1134, ts.DiagnosticCategory.Error, "Variable_declaration_expected_1134", "Variable declaration expected."),
+        Argument_expression_expected: diag(1135, ts.DiagnosticCategory.Error, "Argument_expression_expected_1135", "Argument expression expected."),
+        Property_assignment_expected: diag(1136, ts.DiagnosticCategory.Error, "Property_assignment_expected_1136", "Property assignment expected."),
+        Expression_or_comma_expected: diag(1137, ts.DiagnosticCategory.Error, "Expression_or_comma_expected_1137", "Expression or comma expected."),
+        Parameter_declaration_expected: diag(1138, ts.DiagnosticCategory.Error, "Parameter_declaration_expected_1138", "Parameter declaration expected."),
+        Type_parameter_declaration_expected: diag(1139, ts.DiagnosticCategory.Error, "Type_parameter_declaration_expected_1139", "Type parameter declaration expected."),
+        Type_argument_expected: diag(1140, ts.DiagnosticCategory.Error, "Type_argument_expected_1140", "Type argument expected."),
+        String_literal_expected: diag(1141, ts.DiagnosticCategory.Error, "String_literal_expected_1141", "String literal expected."),
+        Line_break_not_permitted_here: diag(1142, ts.DiagnosticCategory.Error, "Line_break_not_permitted_here_1142", "Line break not permitted here."),
+        or_expected: diag(1144, ts.DiagnosticCategory.Error, "or_expected_1144", "'{' or ';' expected."),
+        Declaration_expected: diag(1146, ts.DiagnosticCategory.Error, "Declaration_expected_1146", "Declaration expected."),
+        Import_declarations_in_a_namespace_cannot_reference_a_module: diag(1147, ts.DiagnosticCategory.Error, "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", "Import declarations in a namespace cannot reference a module."),
+        Cannot_use_imports_exports_or_module_augmentations_when_module_is_none: diag(1148, ts.DiagnosticCategory.Error, "Cannot_use_imports_exports_or_module_augmentations_when_module_is_none_1148", "Cannot use imports, exports, or module augmentations when '--module' is 'none'."),
+        File_name_0_differs_from_already_included_file_name_1_only_in_casing: diag(1149, ts.DiagnosticCategory.Error, "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", "File name '{0}' differs from already included file name '{1}' only in casing."),
+        const_declarations_must_be_initialized: diag(1155, ts.DiagnosticCategory.Error, "const_declarations_must_be_initialized_1155", "'const' declarations must be initialized."),
+        const_declarations_can_only_be_declared_inside_a_block: diag(1156, ts.DiagnosticCategory.Error, "const_declarations_can_only_be_declared_inside_a_block_1156", "'const' declarations can only be declared inside a block."),
+        let_declarations_can_only_be_declared_inside_a_block: diag(1157, ts.DiagnosticCategory.Error, "let_declarations_can_only_be_declared_inside_a_block_1157", "'let' declarations can only be declared inside a block."),
+        Unterminated_template_literal: diag(1160, ts.DiagnosticCategory.Error, "Unterminated_template_literal_1160", "Unterminated template literal."),
+        Unterminated_regular_expression_literal: diag(1161, ts.DiagnosticCategory.Error, "Unterminated_regular_expression_literal_1161", "Unterminated regular expression literal."),
+        An_object_member_cannot_be_declared_optional: diag(1162, ts.DiagnosticCategory.Error, "An_object_member_cannot_be_declared_optional_1162", "An object member cannot be declared optional."),
+        A_yield_expression_is_only_allowed_in_a_generator_body: diag(1163, ts.DiagnosticCategory.Error, "A_yield_expression_is_only_allowed_in_a_generator_body_1163", "A 'yield' expression is only allowed in a generator body."),
+        Computed_property_names_are_not_allowed_in_enums: diag(1164, ts.DiagnosticCategory.Error, "Computed_property_names_are_not_allowed_in_enums_1164", "Computed property names are not allowed in enums."),
+        A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1165, ts.DiagnosticCategory.Error, "A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165", "A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type."),
+        A_computed_property_name_in_a_class_property_declaration_must_have_a_simple_literal_type_or_a_unique_symbol_type: diag(1166, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_class_property_declaration_must_have_a_simple_literal_type_or_a_unique_1166", "A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type."),
+        A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1168, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168", "A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type."),
+        A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1169, ts.DiagnosticCategory.Error, "A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169", "A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type."),
+        A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1170, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170", "A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type."),
+        A_comma_expression_is_not_allowed_in_a_computed_property_name: diag(1171, ts.DiagnosticCategory.Error, "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", "A comma expression is not allowed in a computed property name."),
+        extends_clause_already_seen: diag(1172, ts.DiagnosticCategory.Error, "extends_clause_already_seen_1172", "'extends' clause already seen."),
+        extends_clause_must_precede_implements_clause: diag(1173, ts.DiagnosticCategory.Error, "extends_clause_must_precede_implements_clause_1173", "'extends' clause must precede 'implements' clause."),
+        Classes_can_only_extend_a_single_class: diag(1174, ts.DiagnosticCategory.Error, "Classes_can_only_extend_a_single_class_1174", "Classes can only extend a single class."),
+        implements_clause_already_seen: diag(1175, ts.DiagnosticCategory.Error, "implements_clause_already_seen_1175", "'implements' clause already seen."),
+        Interface_declaration_cannot_have_implements_clause: diag(1176, ts.DiagnosticCategory.Error, "Interface_declaration_cannot_have_implements_clause_1176", "Interface declaration cannot have 'implements' clause."),
+        Binary_digit_expected: diag(1177, ts.DiagnosticCategory.Error, "Binary_digit_expected_1177", "Binary digit expected."),
+        Octal_digit_expected: diag(1178, ts.DiagnosticCategory.Error, "Octal_digit_expected_1178", "Octal digit expected."),
+        Unexpected_token_expected: diag(1179, ts.DiagnosticCategory.Error, "Unexpected_token_expected_1179", "Unexpected token. '{' expected."),
+        Property_destructuring_pattern_expected: diag(1180, ts.DiagnosticCategory.Error, "Property_destructuring_pattern_expected_1180", "Property destructuring pattern expected."),
+        Array_element_destructuring_pattern_expected: diag(1181, ts.DiagnosticCategory.Error, "Array_element_destructuring_pattern_expected_1181", "Array element destructuring pattern expected."),
+        A_destructuring_declaration_must_have_an_initializer: diag(1182, ts.DiagnosticCategory.Error, "A_destructuring_declaration_must_have_an_initializer_1182", "A destructuring declaration must have an initializer."),
+        An_implementation_cannot_be_declared_in_ambient_contexts: diag(1183, ts.DiagnosticCategory.Error, "An_implementation_cannot_be_declared_in_ambient_contexts_1183", "An implementation cannot be declared in ambient contexts."),
+        Modifiers_cannot_appear_here: diag(1184, ts.DiagnosticCategory.Error, "Modifiers_cannot_appear_here_1184", "Modifiers cannot appear here."),
+        Merge_conflict_marker_encountered: diag(1185, ts.DiagnosticCategory.Error, "Merge_conflict_marker_encountered_1185", "Merge conflict marker encountered."),
+        A_rest_element_cannot_have_an_initializer: diag(1186, ts.DiagnosticCategory.Error, "A_rest_element_cannot_have_an_initializer_1186", "A rest element cannot have an initializer."),
+        A_parameter_property_may_not_be_declared_using_a_binding_pattern: diag(1187, ts.DiagnosticCategory.Error, "A_parameter_property_may_not_be_declared_using_a_binding_pattern_1187", "A parameter property may not be declared using a binding pattern."),
+        Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: diag(1188, ts.DiagnosticCategory.Error, "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", "Only a single variable declaration is allowed in a 'for...of' statement."),
+        The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: diag(1189, ts.DiagnosticCategory.Error, "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", "The variable declaration of a 'for...in' statement cannot have an initializer."),
+        The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: diag(1190, ts.DiagnosticCategory.Error, "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", "The variable declaration of a 'for...of' statement cannot have an initializer."),
+        An_import_declaration_cannot_have_modifiers: diag(1191, ts.DiagnosticCategory.Error, "An_import_declaration_cannot_have_modifiers_1191", "An import declaration cannot have modifiers."),
+        Module_0_has_no_default_export: diag(1192, ts.DiagnosticCategory.Error, "Module_0_has_no_default_export_1192", "Module '{0}' has no default export."),
+        An_export_declaration_cannot_have_modifiers: diag(1193, ts.DiagnosticCategory.Error, "An_export_declaration_cannot_have_modifiers_1193", "An export declaration cannot have modifiers."),
+        Export_declarations_are_not_permitted_in_a_namespace: diag(1194, ts.DiagnosticCategory.Error, "Export_declarations_are_not_permitted_in_a_namespace_1194", "Export declarations are not permitted in a namespace."),
+        export_Asterisk_does_not_re_export_a_default: diag(1195, ts.DiagnosticCategory.Error, "export_Asterisk_does_not_re_export_a_default_1195", "'export *' does not re-export a default."),
+        Catch_clause_variable_type_annotation_must_be_any_or_unknown_if_specified: diag(1196, ts.DiagnosticCategory.Error, "Catch_clause_variable_type_annotation_must_be_any_or_unknown_if_specified_1196", "Catch clause variable type annotation must be 'any' or 'unknown' if specified."),
+        Catch_clause_variable_cannot_have_an_initializer: diag(1197, ts.DiagnosticCategory.Error, "Catch_clause_variable_cannot_have_an_initializer_1197", "Catch clause variable cannot have an initializer."),
+        An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: diag(1198, ts.DiagnosticCategory.Error, "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive."),
+        Unterminated_Unicode_escape_sequence: diag(1199, ts.DiagnosticCategory.Error, "Unterminated_Unicode_escape_sequence_1199", "Unterminated Unicode escape sequence."),
+        Line_terminator_not_permitted_before_arrow: diag(1200, ts.DiagnosticCategory.Error, "Line_terminator_not_permitted_before_arrow_1200", "Line terminator not permitted before arrow."),
+        Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: diag(1202, ts.DiagnosticCategory.Error, "Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_1202", "Import assignment cannot be used when targeting ECMAScript modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead."),
+        Export_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_export_default_or_another_module_format_instead: diag(1203, ts.DiagnosticCategory.Error, "Export_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_export_default_or__1203", "Export assignment cannot be used when targeting ECMAScript modules. Consider using 'export default' or another module format instead."),
+        Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type: diag(1205, ts.DiagnosticCategory.Error, "Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type_1205", "Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'."),
+        Decorators_are_not_valid_here: diag(1206, ts.DiagnosticCategory.Error, "Decorators_are_not_valid_here_1206", "Decorators are not valid here."),
+        Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: diag(1207, ts.DiagnosticCategory.Error, "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", "Decorators cannot be applied to multiple get/set accessors of the same name."),
+        _0_cannot_be_compiled_under_isolatedModules_because_it_is_considered_a_global_script_file_Add_an_import_export_or_an_empty_export_statement_to_make_it_a_module: diag(1208, ts.DiagnosticCategory.Error, "_0_cannot_be_compiled_under_isolatedModules_because_it_is_considered_a_global_script_file_Add_an_imp_1208", "'{0}' cannot be compiled under '--isolatedModules' because it is considered a global script file. Add an import, export, or an empty 'export {}' statement to make it a module."),
+        Code_contained_in_a_class_is_evaluated_in_JavaScript_s_strict_mode_which_does_not_allow_this_use_of_0_For_more_information_see_https_Colon_Slash_Slashdeveloper_mozilla_org_Slashen_US_Slashdocs_SlashWeb_SlashJavaScript_SlashReference_SlashStrict_mode: diag(1210, ts.DiagnosticCategory.Error, "Code_contained_in_a_class_is_evaluated_in_JavaScript_s_strict_mode_which_does_not_allow_this_use_of__1210", "Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of '{0}'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode."),
+        A_class_declaration_without_the_default_modifier_must_have_a_name: diag(1211, ts.DiagnosticCategory.Error, "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", "A class declaration without the 'default' modifier must have a name."),
+        Identifier_expected_0_is_a_reserved_word_in_strict_mode: diag(1212, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", "Identifier expected. '{0}' is a reserved word in strict mode."),
+        Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: diag(1213, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode."),
+        Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: diag(1214, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode."),
+        Invalid_use_of_0_Modules_are_automatically_in_strict_mode: diag(1215, ts.DiagnosticCategory.Error, "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", "Invalid use of '{0}'. Modules are automatically in strict mode."),
+        Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules: diag(1216, ts.DiagnosticCategory.Error, "Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules_1216", "Identifier expected. '__esModule' is reserved as an exported marker when transforming ECMAScript modules."),
+        Export_assignment_is_not_supported_when_module_flag_is_system: diag(1218, ts.DiagnosticCategory.Error, "Export_assignment_is_not_supported_when_module_flag_is_system_1218", "Export assignment is not supported when '--module' flag is 'system'."),
+        Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning: diag(1219, ts.DiagnosticCategory.Error, "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option in your 'tsconfig' or 'jsconfig' to remove this warning."),
+        Generators_are_not_allowed_in_an_ambient_context: diag(1221, ts.DiagnosticCategory.Error, "Generators_are_not_allowed_in_an_ambient_context_1221", "Generators are not allowed in an ambient context."),
+        An_overload_signature_cannot_be_declared_as_a_generator: diag(1222, ts.DiagnosticCategory.Error, "An_overload_signature_cannot_be_declared_as_a_generator_1222", "An overload signature cannot be declared as a generator."),
+        _0_tag_already_specified: diag(1223, ts.DiagnosticCategory.Error, "_0_tag_already_specified_1223", "'{0}' tag already specified."),
+        Signature_0_must_be_a_type_predicate: diag(1224, ts.DiagnosticCategory.Error, "Signature_0_must_be_a_type_predicate_1224", "Signature '{0}' must be a type predicate."),
+        Cannot_find_parameter_0: diag(1225, ts.DiagnosticCategory.Error, "Cannot_find_parameter_0_1225", "Cannot find parameter '{0}'."),
+        Type_predicate_0_is_not_assignable_to_1: diag(1226, ts.DiagnosticCategory.Error, "Type_predicate_0_is_not_assignable_to_1_1226", "Type predicate '{0}' is not assignable to '{1}'."),
+        Parameter_0_is_not_in_the_same_position_as_parameter_1: diag(1227, ts.DiagnosticCategory.Error, "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", "Parameter '{0}' is not in the same position as parameter '{1}'."),
+        A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: diag(1228, ts.DiagnosticCategory.Error, "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", "A type predicate is only allowed in return type position for functions and methods."),
+        A_type_predicate_cannot_reference_a_rest_parameter: diag(1229, ts.DiagnosticCategory.Error, "A_type_predicate_cannot_reference_a_rest_parameter_1229", "A type predicate cannot reference a rest parameter."),
+        A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: diag(1230, ts.DiagnosticCategory.Error, "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", "A type predicate cannot reference element '{0}' in a binding pattern."),
+        An_export_assignment_must_be_at_the_top_level_of_a_file_or_module_declaration: diag(1231, ts.DiagnosticCategory.Error, "An_export_assignment_must_be_at_the_top_level_of_a_file_or_module_declaration_1231", "An export assignment must be at the top level of a file or module declaration."),
+        An_import_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module: diag(1232, ts.DiagnosticCategory.Error, "An_import_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module_1232", "An import declaration can only be used at the top level of a namespace or module."),
+        An_export_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module: diag(1233, ts.DiagnosticCategory.Error, "An_export_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module_1233", "An export declaration can only be used at the top level of a namespace or module."),
+        An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: diag(1234, ts.DiagnosticCategory.Error, "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", "An ambient module declaration is only allowed at the top level in a file."),
+        A_namespace_declaration_is_only_allowed_at_the_top_level_of_a_namespace_or_module: diag(1235, ts.DiagnosticCategory.Error, "A_namespace_declaration_is_only_allowed_at_the_top_level_of_a_namespace_or_module_1235", "A namespace declaration is only allowed at the top level of a namespace or module."),
+        The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: diag(1236, ts.DiagnosticCategory.Error, "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", "The return type of a property decorator function must be either 'void' or 'any'."),
+        The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: diag(1237, ts.DiagnosticCategory.Error, "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", "The return type of a parameter decorator function must be either 'void' or 'any'."),
+        Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: diag(1238, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", "Unable to resolve signature of class decorator when called as an expression."),
+        Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: diag(1239, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", "Unable to resolve signature of parameter decorator when called as an expression."),
+        Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: diag(1240, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", "Unable to resolve signature of property decorator when called as an expression."),
+        Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: diag(1241, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", "Unable to resolve signature of method decorator when called as an expression."),
+        abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration: diag(1242, ts.DiagnosticCategory.Error, "abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration_1242", "'abstract' modifier can only appear on a class, method, or property declaration."),
+        _0_modifier_cannot_be_used_with_1_modifier: diag(1243, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_1_modifier_1243", "'{0}' modifier cannot be used with '{1}' modifier."),
+        Abstract_methods_can_only_appear_within_an_abstract_class: diag(1244, ts.DiagnosticCategory.Error, "Abstract_methods_can_only_appear_within_an_abstract_class_1244", "Abstract methods can only appear within an abstract class."),
+        Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: diag(1245, ts.DiagnosticCategory.Error, "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", "Method '{0}' cannot have an implementation because it is marked abstract."),
+        An_interface_property_cannot_have_an_initializer: diag(1246, ts.DiagnosticCategory.Error, "An_interface_property_cannot_have_an_initializer_1246", "An interface property cannot have an initializer."),
+        A_type_literal_property_cannot_have_an_initializer: diag(1247, ts.DiagnosticCategory.Error, "A_type_literal_property_cannot_have_an_initializer_1247", "A type literal property cannot have an initializer."),
+        A_class_member_cannot_have_the_0_keyword: diag(1248, ts.DiagnosticCategory.Error, "A_class_member_cannot_have_the_0_keyword_1248", "A class member cannot have the '{0}' keyword."),
+        A_decorator_can_only_decorate_a_method_implementation_not_an_overload: diag(1249, ts.DiagnosticCategory.Error, "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", "A decorator can only decorate a method implementation, not an overload."),
+        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5: diag(1250, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_1250", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'."),
+        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode: diag(1251, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_d_1251", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Class definitions are automatically in strict mode."),
+        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode: diag(1252, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_1252", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Modules are automatically in strict mode."),
+        A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_or_literal_enum_reference: diag(1254, ts.DiagnosticCategory.Error, "A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_or_literal_enum_refere_1254", "A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference."),
+        A_definite_assignment_assertion_is_not_permitted_in_this_context: diag(1255, ts.DiagnosticCategory.Error, "A_definite_assignment_assertion_is_not_permitted_in_this_context_1255", "A definite assignment assertion '!' is not permitted in this context."),
+        A_required_element_cannot_follow_an_optional_element: diag(1257, ts.DiagnosticCategory.Error, "A_required_element_cannot_follow_an_optional_element_1257", "A required element cannot follow an optional element."),
+        A_default_export_must_be_at_the_top_level_of_a_file_or_module_declaration: diag(1258, ts.DiagnosticCategory.Error, "A_default_export_must_be_at_the_top_level_of_a_file_or_module_declaration_1258", "A default export must be at the top level of a file or module declaration."),
+        Module_0_can_only_be_default_imported_using_the_1_flag: diag(1259, ts.DiagnosticCategory.Error, "Module_0_can_only_be_default_imported_using_the_1_flag_1259", "Module '{0}' can only be default-imported using the '{1}' flag"),
+        Keywords_cannot_contain_escape_characters: diag(1260, ts.DiagnosticCategory.Error, "Keywords_cannot_contain_escape_characters_1260", "Keywords cannot contain escape characters."),
+        Already_included_file_name_0_differs_from_file_name_1_only_in_casing: diag(1261, ts.DiagnosticCategory.Error, "Already_included_file_name_0_differs_from_file_name_1_only_in_casing_1261", "Already included file name '{0}' differs from file name '{1}' only in casing."),
+        Identifier_expected_0_is_a_reserved_word_at_the_top_level_of_a_module: diag(1262, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_at_the_top_level_of_a_module_1262", "Identifier expected. '{0}' is a reserved word at the top-level of a module."),
+        Declarations_with_initializers_cannot_also_have_definite_assignment_assertions: diag(1263, ts.DiagnosticCategory.Error, "Declarations_with_initializers_cannot_also_have_definite_assignment_assertions_1263", "Declarations with initializers cannot also have definite assignment assertions."),
+        Declarations_with_definite_assignment_assertions_must_also_have_type_annotations: diag(1264, ts.DiagnosticCategory.Error, "Declarations_with_definite_assignment_assertions_must_also_have_type_annotations_1264", "Declarations with definite assignment assertions must also have type annotations."),
+        A_rest_element_cannot_follow_another_rest_element: diag(1265, ts.DiagnosticCategory.Error, "A_rest_element_cannot_follow_another_rest_element_1265", "A rest element cannot follow another rest element."),
+        An_optional_element_cannot_follow_a_rest_element: diag(1266, ts.DiagnosticCategory.Error, "An_optional_element_cannot_follow_a_rest_element_1266", "An optional element cannot follow a rest element."),
+        Property_0_cannot_have_an_initializer_because_it_is_marked_abstract: diag(1267, ts.DiagnosticCategory.Error, "Property_0_cannot_have_an_initializer_because_it_is_marked_abstract_1267", "Property '{0}' cannot have an initializer because it is marked abstract."),
+        An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type: diag(1268, ts.DiagnosticCategory.Error, "An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type_1268", "An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type."),
+        Cannot_use_export_import_on_a_type_or_type_only_namespace_when_the_isolatedModules_flag_is_provided: diag(1269, ts.DiagnosticCategory.Error, "Cannot_use_export_import_on_a_type_or_type_only_namespace_when_the_isolatedModules_flag_is_provided_1269", "Cannot use 'export import' on a type or type-only namespace when the '--isolatedModules' flag is provided."),
+        Decorator_function_return_type_0_is_not_assignable_to_type_1: diag(1270, ts.DiagnosticCategory.Error, "Decorator_function_return_type_0_is_not_assignable_to_type_1_1270", "Decorator function return type '{0}' is not assignable to type '{1}'."),
+        Decorator_function_return_type_is_0_but_is_expected_to_be_void_or_any: diag(1271, ts.DiagnosticCategory.Error, "Decorator_function_return_type_is_0_but_is_expected_to_be_void_or_any_1271", "Decorator function return type is '{0}' but is expected to be 'void' or 'any'."),
+        A_type_referenced_in_a_decorated_signature_must_be_imported_with_import_type_or_a_namespace_import_when_isolatedModules_and_emitDecoratorMetadata_are_enabled: diag(1272, ts.DiagnosticCategory.Error, "A_type_referenced_in_a_decorated_signature_must_be_imported_with_import_type_or_a_namespace_import_w_1272", "A type referenced in a decorated signature must be imported with 'import type' or a namespace import when 'isolatedModules' and 'emitDecoratorMetadata' are enabled."),
+        _0_modifier_cannot_appear_on_a_type_parameter: diag(1273, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_type_parameter_1273", "'{0}' modifier cannot appear on a type parameter"),
+        _0_modifier_can_only_appear_on_a_type_parameter_of_a_class_interface_or_type_alias: diag(1274, ts.DiagnosticCategory.Error, "_0_modifier_can_only_appear_on_a_type_parameter_of_a_class_interface_or_type_alias_1274", "'{0}' modifier can only appear on a type parameter of a class, interface or type alias"),
+        with_statements_are_not_allowed_in_an_async_function_block: diag(1300, ts.DiagnosticCategory.Error, "with_statements_are_not_allowed_in_an_async_function_block_1300", "'with' statements are not allowed in an async function block."),
+        await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules: diag(1308, ts.DiagnosticCategory.Error, "await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules_1308", "'await' expressions are only allowed within async functions and at the top levels of modules."),
+        The_current_file_is_a_CommonJS_module_and_cannot_use_await_at_the_top_level: diag(1309, ts.DiagnosticCategory.Error, "The_current_file_is_a_CommonJS_module_and_cannot_use_await_at_the_top_level_1309", "The current file is a CommonJS module and cannot use 'await' at the top level."),
+        Did_you_mean_to_use_a_Colon_An_can_only_follow_a_property_name_when_the_containing_object_literal_is_part_of_a_destructuring_pattern: diag(1312, ts.DiagnosticCategory.Error, "Did_you_mean_to_use_a_Colon_An_can_only_follow_a_property_name_when_the_containing_object_literal_is_1312", "Did you mean to use a ':'? An '=' can only follow a property name when the containing object literal is part of a destructuring pattern."),
+        The_body_of_an_if_statement_cannot_be_the_empty_statement: diag(1313, ts.DiagnosticCategory.Error, "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", "The body of an 'if' statement cannot be the empty statement."),
+        Global_module_exports_may_only_appear_in_module_files: diag(1314, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_in_module_files_1314", "Global module exports may only appear in module files."),
+        Global_module_exports_may_only_appear_in_declaration_files: diag(1315, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_in_declaration_files_1315", "Global module exports may only appear in declaration files."),
+        Global_module_exports_may_only_appear_at_top_level: diag(1316, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_at_top_level_1316", "Global module exports may only appear at top level."),
+        A_parameter_property_cannot_be_declared_using_a_rest_parameter: diag(1317, ts.DiagnosticCategory.Error, "A_parameter_property_cannot_be_declared_using_a_rest_parameter_1317", "A parameter property cannot be declared using a rest parameter."),
+        An_abstract_accessor_cannot_have_an_implementation: diag(1318, ts.DiagnosticCategory.Error, "An_abstract_accessor_cannot_have_an_implementation_1318", "An abstract accessor cannot have an implementation."),
+        A_default_export_can_only_be_used_in_an_ECMAScript_style_module: diag(1319, ts.DiagnosticCategory.Error, "A_default_export_can_only_be_used_in_an_ECMAScript_style_module_1319", "A default export can only be used in an ECMAScript-style module."),
+        Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1320, ts.DiagnosticCategory.Error, "Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member_1320", "Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member."),
+        Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1321, ts.DiagnosticCategory.Error, "Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_cal_1321", "Type of 'yield' operand in an async generator must either be a valid promise or must not contain a callable 'then' member."),
+        Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1322, ts.DiagnosticCategory.Error, "Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_con_1322", "Type of iterated elements of a 'yield*' operand must either be a valid promise or must not contain a callable 'then' member."),
+        Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_es2022_esnext_commonjs_amd_system_umd_node16_or_nodenext: diag(1323, ts.DiagnosticCategory.Error, "Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_es2022_esnext_commonjs_amd__1323", "Dynamic imports are only supported when the '--module' flag is set to 'es2020', 'es2022', 'esnext', 'commonjs', 'amd', 'system', 'umd', 'node16', or 'nodenext'."),
+        Dynamic_imports_only_support_a_second_argument_when_the_module_option_is_set_to_esnext_node16_or_nodenext: diag(1324, ts.DiagnosticCategory.Error, "Dynamic_imports_only_support_a_second_argument_when_the_module_option_is_set_to_esnext_node16_or_nod_1324", "Dynamic imports only support a second argument when the '--module' option is set to 'esnext', 'node16', or 'nodenext'."),
+        Argument_of_dynamic_import_cannot_be_spread_element: diag(1325, ts.DiagnosticCategory.Error, "Argument_of_dynamic_import_cannot_be_spread_element_1325", "Argument of dynamic import cannot be spread element."),
+        This_use_of_import_is_invalid_import_calls_can_be_written_but_they_must_have_parentheses_and_cannot_have_type_arguments: diag(1326, ts.DiagnosticCategory.Error, "This_use_of_import_is_invalid_import_calls_can_be_written_but_they_must_have_parentheses_and_cannot__1326", "This use of 'import' is invalid. 'import()' calls can be written, but they must have parentheses and cannot have type arguments."),
+        String_literal_with_double_quotes_expected: diag(1327, ts.DiagnosticCategory.Error, "String_literal_with_double_quotes_expected_1327", "String literal with double quotes expected."),
+        Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_literal: diag(1328, ts.DiagnosticCategory.Error, "Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_li_1328", "Property value can only be string literal, numeric literal, 'true', 'false', 'null', object literal or array literal."),
+        _0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write_0: diag(1329, ts.DiagnosticCategory.Error, "_0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write__1329", "'{0}' accepts too few arguments to be used as a decorator here. Did you mean to call it first and write '@{0}()'?"),
+        A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly: diag(1330, ts.DiagnosticCategory.Error, "A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330", "A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'."),
+        A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly: diag(1331, ts.DiagnosticCategory.Error, "A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331", "A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'."),
+        A_variable_whose_type_is_a_unique_symbol_type_must_be_const: diag(1332, ts.DiagnosticCategory.Error, "A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332", "A variable whose type is a 'unique symbol' type must be 'const'."),
+        unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name: diag(1333, ts.DiagnosticCategory.Error, "unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333", "'unique symbol' types may not be used on a variable declaration with a binding name."),
+        unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement: diag(1334, ts.DiagnosticCategory.Error, "unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334", "'unique symbol' types are only allowed on variables in a variable statement."),
+        unique_symbol_types_are_not_allowed_here: diag(1335, ts.DiagnosticCategory.Error, "unique_symbol_types_are_not_allowed_here_1335", "'unique symbol' types are not allowed here."),
+        An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_object_type_instead: diag(1337, ts.DiagnosticCategory.Error, "An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_o_1337", "An index signature parameter type cannot be a literal type or generic type. Consider using a mapped object type instead."),
+        infer_declarations_are_only_permitted_in_the_extends_clause_of_a_conditional_type: diag(1338, ts.DiagnosticCategory.Error, "infer_declarations_are_only_permitted_in_the_extends_clause_of_a_conditional_type_1338", "'infer' declarations are only permitted in the 'extends' clause of a conditional type."),
+        Module_0_does_not_refer_to_a_value_but_is_used_as_a_value_here: diag(1339, ts.DiagnosticCategory.Error, "Module_0_does_not_refer_to_a_value_but_is_used_as_a_value_here_1339", "Module '{0}' does not refer to a value, but is used as a value here."),
+        Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0: diag(1340, ts.DiagnosticCategory.Error, "Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0_1340", "Module '{0}' does not refer to a type, but is used as a type here. Did you mean 'typeof import('{0}')'?"),
+        Type_arguments_cannot_be_used_here: diag(1342, ts.DiagnosticCategory.Error, "Type_arguments_cannot_be_used_here_1342", "Type arguments cannot be used here."),
+        The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_es2020_es2022_esnext_system_node16_or_nodenext: diag(1343, ts.DiagnosticCategory.Error, "The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_es2020_es2022_esnext_system__1343", "The 'import.meta' meta-property is only allowed when the '--module' option is 'es2020', 'es2022', 'esnext', 'system', 'node16', or 'nodenext'."),
+        A_label_is_not_allowed_here: diag(1344, ts.DiagnosticCategory.Error, "A_label_is_not_allowed_here_1344", "'A label is not allowed here."),
+        An_expression_of_type_void_cannot_be_tested_for_truthiness: diag(1345, ts.DiagnosticCategory.Error, "An_expression_of_type_void_cannot_be_tested_for_truthiness_1345", "An expression of type 'void' cannot be tested for truthiness."),
+        This_parameter_is_not_allowed_with_use_strict_directive: diag(1346, ts.DiagnosticCategory.Error, "This_parameter_is_not_allowed_with_use_strict_directive_1346", "This parameter is not allowed with 'use strict' directive."),
+        use_strict_directive_cannot_be_used_with_non_simple_parameter_list: diag(1347, ts.DiagnosticCategory.Error, "use_strict_directive_cannot_be_used_with_non_simple_parameter_list_1347", "'use strict' directive cannot be used with non-simple parameter list."),
+        Non_simple_parameter_declared_here: diag(1348, ts.DiagnosticCategory.Error, "Non_simple_parameter_declared_here_1348", "Non-simple parameter declared here."),
+        use_strict_directive_used_here: diag(1349, ts.DiagnosticCategory.Error, "use_strict_directive_used_here_1349", "'use strict' directive used here."),
+        Print_the_final_configuration_instead_of_building: diag(1350, ts.DiagnosticCategory.Message, "Print_the_final_configuration_instead_of_building_1350", "Print the final configuration instead of building."),
+        An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal: diag(1351, ts.DiagnosticCategory.Error, "An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal_1351", "An identifier or keyword cannot immediately follow a numeric literal."),
+        A_bigint_literal_cannot_use_exponential_notation: diag(1352, ts.DiagnosticCategory.Error, "A_bigint_literal_cannot_use_exponential_notation_1352", "A bigint literal cannot use exponential notation."),
+        A_bigint_literal_must_be_an_integer: diag(1353, ts.DiagnosticCategory.Error, "A_bigint_literal_must_be_an_integer_1353", "A bigint literal must be an integer."),
+        readonly_type_modifier_is_only_permitted_on_array_and_tuple_literal_types: diag(1354, ts.DiagnosticCategory.Error, "readonly_type_modifier_is_only_permitted_on_array_and_tuple_literal_types_1354", "'readonly' type modifier is only permitted on array and tuple literal types."),
+        A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array_or_object_literals: diag(1355, ts.DiagnosticCategory.Error, "A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array__1355", "A 'const' assertions can only be applied to references to enum members, or string, number, boolean, array, or object literals."),
+        Did_you_mean_to_mark_this_function_as_async: diag(1356, ts.DiagnosticCategory.Error, "Did_you_mean_to_mark_this_function_as_async_1356", "Did you mean to mark this function as 'async'?"),
+        An_enum_member_name_must_be_followed_by_a_or: diag(1357, ts.DiagnosticCategory.Error, "An_enum_member_name_must_be_followed_by_a_or_1357", "An enum member name must be followed by a ',', '=', or '}'."),
+        Tagged_template_expressions_are_not_permitted_in_an_optional_chain: diag(1358, ts.DiagnosticCategory.Error, "Tagged_template_expressions_are_not_permitted_in_an_optional_chain_1358", "Tagged template expressions are not permitted in an optional chain."),
+        Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here: diag(1359, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here_1359", "Identifier expected. '{0}' is a reserved word that cannot be used here."),
+        _0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type: diag(1361, ts.DiagnosticCategory.Error, "_0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type_1361", "'{0}' cannot be used as a value because it was imported using 'import type'."),
+        _0_cannot_be_used_as_a_value_because_it_was_exported_using_export_type: diag(1362, ts.DiagnosticCategory.Error, "_0_cannot_be_used_as_a_value_because_it_was_exported_using_export_type_1362", "'{0}' cannot be used as a value because it was exported using 'export type'."),
+        A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both: diag(1363, ts.DiagnosticCategory.Error, "A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both_1363", "A type-only import can specify a default import or named bindings, but not both."),
+        Convert_to_type_only_export: diag(1364, ts.DiagnosticCategory.Message, "Convert_to_type_only_export_1364", "Convert to type-only export"),
+        Convert_all_re_exported_types_to_type_only_exports: diag(1365, ts.DiagnosticCategory.Message, "Convert_all_re_exported_types_to_type_only_exports_1365", "Convert all re-exported types to type-only exports"),
+        Split_into_two_separate_import_declarations: diag(1366, ts.DiagnosticCategory.Message, "Split_into_two_separate_import_declarations_1366", "Split into two separate import declarations"),
+        Split_all_invalid_type_only_imports: diag(1367, ts.DiagnosticCategory.Message, "Split_all_invalid_type_only_imports_1367", "Split all invalid type-only imports"),
+        Did_you_mean_0: diag(1369, ts.DiagnosticCategory.Message, "Did_you_mean_0_1369", "Did you mean '{0}'?"),
+        This_import_is_never_used_as_a_value_and_must_use_import_type_because_importsNotUsedAsValues_is_set_to_error: diag(1371, ts.DiagnosticCategory.Error, "This_import_is_never_used_as_a_value_and_must_use_import_type_because_importsNotUsedAsValues_is_set__1371", "This import is never used as a value and must use 'import type' because 'importsNotUsedAsValues' is set to 'error'."),
+        Convert_to_type_only_import: diag(1373, ts.DiagnosticCategory.Message, "Convert_to_type_only_import_1373", "Convert to type-only import"),
+        Convert_all_imports_not_used_as_a_value_to_type_only_imports: diag(1374, ts.DiagnosticCategory.Message, "Convert_all_imports_not_used_as_a_value_to_type_only_imports_1374", "Convert all imports not used as a value to type-only imports"),
+        await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module: diag(1375, ts.DiagnosticCategory.Error, "await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_fi_1375", "'await' expressions are only allowed at the top level of a file when that file is a module, but this file has no imports or exports. Consider adding an empty 'export {}' to make this file a module."),
+        _0_was_imported_here: diag(1376, ts.DiagnosticCategory.Message, "_0_was_imported_here_1376", "'{0}' was imported here."),
+        _0_was_exported_here: diag(1377, ts.DiagnosticCategory.Message, "_0_was_exported_here_1377", "'{0}' was exported here."),
+        Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_node16_or_nodenext_and_the_target_option_is_set_to_es2017_or_higher: diag(1378, ts.DiagnosticCategory.Error, "Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_n_1378", "Top-level 'await' expressions are only allowed when the 'module' option is set to 'es2022', 'esnext', 'system', 'node16', or 'nodenext', and the 'target' option is set to 'es2017' or higher."),
+        An_import_alias_cannot_reference_a_declaration_that_was_exported_using_export_type: diag(1379, ts.DiagnosticCategory.Error, "An_import_alias_cannot_reference_a_declaration_that_was_exported_using_export_type_1379", "An import alias cannot reference a declaration that was exported using 'export type'."),
+        An_import_alias_cannot_reference_a_declaration_that_was_imported_using_import_type: diag(1380, ts.DiagnosticCategory.Error, "An_import_alias_cannot_reference_a_declaration_that_was_imported_using_import_type_1380", "An import alias cannot reference a declaration that was imported using 'import type'."),
+        Unexpected_token_Did_you_mean_or_rbrace: diag(1381, ts.DiagnosticCategory.Error, "Unexpected_token_Did_you_mean_or_rbrace_1381", "Unexpected token. Did you mean `{'}'}` or `}`?"),
+        Unexpected_token_Did_you_mean_or_gt: diag(1382, ts.DiagnosticCategory.Error, "Unexpected_token_Did_you_mean_or_gt_1382", "Unexpected token. Did you mean `{'>'}` or `>`?"),
+        Only_named_exports_may_use_export_type: diag(1383, ts.DiagnosticCategory.Error, "Only_named_exports_may_use_export_type_1383", "Only named exports may use 'export type'."),
+        Function_type_notation_must_be_parenthesized_when_used_in_a_union_type: diag(1385, ts.DiagnosticCategory.Error, "Function_type_notation_must_be_parenthesized_when_used_in_a_union_type_1385", "Function type notation must be parenthesized when used in a union type."),
+        Constructor_type_notation_must_be_parenthesized_when_used_in_a_union_type: diag(1386, ts.DiagnosticCategory.Error, "Constructor_type_notation_must_be_parenthesized_when_used_in_a_union_type_1386", "Constructor type notation must be parenthesized when used in a union type."),
+        Function_type_notation_must_be_parenthesized_when_used_in_an_intersection_type: diag(1387, ts.DiagnosticCategory.Error, "Function_type_notation_must_be_parenthesized_when_used_in_an_intersection_type_1387", "Function type notation must be parenthesized when used in an intersection type."),
+        Constructor_type_notation_must_be_parenthesized_when_used_in_an_intersection_type: diag(1388, ts.DiagnosticCategory.Error, "Constructor_type_notation_must_be_parenthesized_when_used_in_an_intersection_type_1388", "Constructor type notation must be parenthesized when used in an intersection type."),
+        _0_is_not_allowed_as_a_variable_declaration_name: diag(1389, ts.DiagnosticCategory.Error, "_0_is_not_allowed_as_a_variable_declaration_name_1389", "'{0}' is not allowed as a variable declaration name."),
+        _0_is_not_allowed_as_a_parameter_name: diag(1390, ts.DiagnosticCategory.Error, "_0_is_not_allowed_as_a_parameter_name_1390", "'{0}' is not allowed as a parameter name."),
+        An_import_alias_cannot_use_import_type: diag(1392, ts.DiagnosticCategory.Error, "An_import_alias_cannot_use_import_type_1392", "An import alias cannot use 'import type'"),
+        Imported_via_0_from_file_1: diag(1393, ts.DiagnosticCategory.Message, "Imported_via_0_from_file_1_1393", "Imported via {0} from file '{1}'"),
+        Imported_via_0_from_file_1_with_packageId_2: diag(1394, ts.DiagnosticCategory.Message, "Imported_via_0_from_file_1_with_packageId_2_1394", "Imported via {0} from file '{1}' with packageId '{2}'"),
+        Imported_via_0_from_file_1_to_import_importHelpers_as_specified_in_compilerOptions: diag(1395, ts.DiagnosticCategory.Message, "Imported_via_0_from_file_1_to_import_importHelpers_as_specified_in_compilerOptions_1395", "Imported via {0} from file '{1}' to import 'importHelpers' as specified in compilerOptions"),
+        Imported_via_0_from_file_1_with_packageId_2_to_import_importHelpers_as_specified_in_compilerOptions: diag(1396, ts.DiagnosticCategory.Message, "Imported_via_0_from_file_1_with_packageId_2_to_import_importHelpers_as_specified_in_compilerOptions_1396", "Imported via {0} from file '{1}' with packageId '{2}' to import 'importHelpers' as specified in compilerOptions"),
+        Imported_via_0_from_file_1_to_import_jsx_and_jsxs_factory_functions: diag(1397, ts.DiagnosticCategory.Message, "Imported_via_0_from_file_1_to_import_jsx_and_jsxs_factory_functions_1397", "Imported via {0} from file '{1}' to import 'jsx' and 'jsxs' factory functions"),
+        Imported_via_0_from_file_1_with_packageId_2_to_import_jsx_and_jsxs_factory_functions: diag(1398, ts.DiagnosticCategory.Message, "Imported_via_0_from_file_1_with_packageId_2_to_import_jsx_and_jsxs_factory_functions_1398", "Imported via {0} from file '{1}' with packageId '{2}' to import 'jsx' and 'jsxs' factory functions"),
+        File_is_included_via_import_here: diag(1399, ts.DiagnosticCategory.Message, "File_is_included_via_import_here_1399", "File is included via import here."),
+        Referenced_via_0_from_file_1: diag(1400, ts.DiagnosticCategory.Message, "Referenced_via_0_from_file_1_1400", "Referenced via '{0}' from file '{1}'"),
+        File_is_included_via_reference_here: diag(1401, ts.DiagnosticCategory.Message, "File_is_included_via_reference_here_1401", "File is included via reference here."),
+        Type_library_referenced_via_0_from_file_1: diag(1402, ts.DiagnosticCategory.Message, "Type_library_referenced_via_0_from_file_1_1402", "Type library referenced via '{0}' from file '{1}'"),
+        Type_library_referenced_via_0_from_file_1_with_packageId_2: diag(1403, ts.DiagnosticCategory.Message, "Type_library_referenced_via_0_from_file_1_with_packageId_2_1403", "Type library referenced via '{0}' from file '{1}' with packageId '{2}'"),
+        File_is_included_via_type_library_reference_here: diag(1404, ts.DiagnosticCategory.Message, "File_is_included_via_type_library_reference_here_1404", "File is included via type library reference here."),
+        Library_referenced_via_0_from_file_1: diag(1405, ts.DiagnosticCategory.Message, "Library_referenced_via_0_from_file_1_1405", "Library referenced via '{0}' from file '{1}'"),
+        File_is_included_via_library_reference_here: diag(1406, ts.DiagnosticCategory.Message, "File_is_included_via_library_reference_here_1406", "File is included via library reference here."),
+        Matched_by_include_pattern_0_in_1: diag(1407, ts.DiagnosticCategory.Message, "Matched_by_include_pattern_0_in_1_1407", "Matched by include pattern '{0}' in '{1}'"),
+        File_is_matched_by_include_pattern_specified_here: diag(1408, ts.DiagnosticCategory.Message, "File_is_matched_by_include_pattern_specified_here_1408", "File is matched by include pattern specified here."),
+        Part_of_files_list_in_tsconfig_json: diag(1409, ts.DiagnosticCategory.Message, "Part_of_files_list_in_tsconfig_json_1409", "Part of 'files' list in tsconfig.json"),
+        File_is_matched_by_files_list_specified_here: diag(1410, ts.DiagnosticCategory.Message, "File_is_matched_by_files_list_specified_here_1410", "File is matched by 'files' list specified here."),
+        Output_from_referenced_project_0_included_because_1_specified: diag(1411, ts.DiagnosticCategory.Message, "Output_from_referenced_project_0_included_because_1_specified_1411", "Output from referenced project '{0}' included because '{1}' specified"),
+        Output_from_referenced_project_0_included_because_module_is_specified_as_none: diag(1412, ts.DiagnosticCategory.Message, "Output_from_referenced_project_0_included_because_module_is_specified_as_none_1412", "Output from referenced project '{0}' included because '--module' is specified as 'none'"),
+        File_is_output_from_referenced_project_specified_here: diag(1413, ts.DiagnosticCategory.Message, "File_is_output_from_referenced_project_specified_here_1413", "File is output from referenced project specified here."),
+        Source_from_referenced_project_0_included_because_1_specified: diag(1414, ts.DiagnosticCategory.Message, "Source_from_referenced_project_0_included_because_1_specified_1414", "Source from referenced project '{0}' included because '{1}' specified"),
+        Source_from_referenced_project_0_included_because_module_is_specified_as_none: diag(1415, ts.DiagnosticCategory.Message, "Source_from_referenced_project_0_included_because_module_is_specified_as_none_1415", "Source from referenced project '{0}' included because '--module' is specified as 'none'"),
+        File_is_source_from_referenced_project_specified_here: diag(1416, ts.DiagnosticCategory.Message, "File_is_source_from_referenced_project_specified_here_1416", "File is source from referenced project specified here."),
+        Entry_point_of_type_library_0_specified_in_compilerOptions: diag(1417, ts.DiagnosticCategory.Message, "Entry_point_of_type_library_0_specified_in_compilerOptions_1417", "Entry point of type library '{0}' specified in compilerOptions"),
+        Entry_point_of_type_library_0_specified_in_compilerOptions_with_packageId_1: diag(1418, ts.DiagnosticCategory.Message, "Entry_point_of_type_library_0_specified_in_compilerOptions_with_packageId_1_1418", "Entry point of type library '{0}' specified in compilerOptions with packageId '{1}'"),
+        File_is_entry_point_of_type_library_specified_here: diag(1419, ts.DiagnosticCategory.Message, "File_is_entry_point_of_type_library_specified_here_1419", "File is entry point of type library specified here."),
+        Entry_point_for_implicit_type_library_0: diag(1420, ts.DiagnosticCategory.Message, "Entry_point_for_implicit_type_library_0_1420", "Entry point for implicit type library '{0}'"),
+        Entry_point_for_implicit_type_library_0_with_packageId_1: diag(1421, ts.DiagnosticCategory.Message, "Entry_point_for_implicit_type_library_0_with_packageId_1_1421", "Entry point for implicit type library '{0}' with packageId '{1}'"),
+        Library_0_specified_in_compilerOptions: diag(1422, ts.DiagnosticCategory.Message, "Library_0_specified_in_compilerOptions_1422", "Library '{0}' specified in compilerOptions"),
+        File_is_library_specified_here: diag(1423, ts.DiagnosticCategory.Message, "File_is_library_specified_here_1423", "File is library specified here."),
+        Default_library: diag(1424, ts.DiagnosticCategory.Message, "Default_library_1424", "Default library"),
+        Default_library_for_target_0: diag(1425, ts.DiagnosticCategory.Message, "Default_library_for_target_0_1425", "Default library for target '{0}'"),
+        File_is_default_library_for_target_specified_here: diag(1426, ts.DiagnosticCategory.Message, "File_is_default_library_for_target_specified_here_1426", "File is default library for target specified here."),
+        Root_file_specified_for_compilation: diag(1427, ts.DiagnosticCategory.Message, "Root_file_specified_for_compilation_1427", "Root file specified for compilation"),
+        File_is_output_of_project_reference_source_0: diag(1428, ts.DiagnosticCategory.Message, "File_is_output_of_project_reference_source_0_1428", "File is output of project reference source '{0}'"),
+        File_redirects_to_file_0: diag(1429, ts.DiagnosticCategory.Message, "File_redirects_to_file_0_1429", "File redirects to file '{0}'"),
+        The_file_is_in_the_program_because_Colon: diag(1430, ts.DiagnosticCategory.Message, "The_file_is_in_the_program_because_Colon_1430", "The file is in the program because:"),
+        for_await_loops_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module: diag(1431, ts.DiagnosticCategory.Error, "for_await_loops_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_1431", "'for await' loops are only allowed at the top level of a file when that file is a module, but this file has no imports or exports. Consider adding an empty 'export {}' to make this file a module."),
+        Top_level_for_await_loops_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_node16_or_nodenext_and_the_target_option_is_set_to_es2017_or_higher: diag(1432, ts.DiagnosticCategory.Error, "Top_level_for_await_loops_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_nod_1432", "Top-level 'for await' loops are only allowed when the 'module' option is set to 'es2022', 'esnext', 'system', 'node16', or 'nodenext', and the 'target' option is set to 'es2017' or higher."),
+        Decorators_may_not_be_applied_to_this_parameters: diag(1433, ts.DiagnosticCategory.Error, "Decorators_may_not_be_applied_to_this_parameters_1433", "Decorators may not be applied to 'this' parameters."),
+        Unexpected_keyword_or_identifier: diag(1434, ts.DiagnosticCategory.Error, "Unexpected_keyword_or_identifier_1434", "Unexpected keyword or identifier."),
+        Unknown_keyword_or_identifier_Did_you_mean_0: diag(1435, ts.DiagnosticCategory.Error, "Unknown_keyword_or_identifier_Did_you_mean_0_1435", "Unknown keyword or identifier. Did you mean '{0}'?"),
+        Decorators_must_precede_the_name_and_all_keywords_of_property_declarations: diag(1436, ts.DiagnosticCategory.Error, "Decorators_must_precede_the_name_and_all_keywords_of_property_declarations_1436", "Decorators must precede the name and all keywords of property declarations."),
+        Namespace_must_be_given_a_name: diag(1437, ts.DiagnosticCategory.Error, "Namespace_must_be_given_a_name_1437", "Namespace must be given a name."),
+        Interface_must_be_given_a_name: diag(1438, ts.DiagnosticCategory.Error, "Interface_must_be_given_a_name_1438", "Interface must be given a name."),
+        Type_alias_must_be_given_a_name: diag(1439, ts.DiagnosticCategory.Error, "Type_alias_must_be_given_a_name_1439", "Type alias must be given a name."),
+        Variable_declaration_not_allowed_at_this_location: diag(1440, ts.DiagnosticCategory.Error, "Variable_declaration_not_allowed_at_this_location_1440", "Variable declaration not allowed at this location."),
+        Cannot_start_a_function_call_in_a_type_annotation: diag(1441, ts.DiagnosticCategory.Error, "Cannot_start_a_function_call_in_a_type_annotation_1441", "Cannot start a function call in a type annotation."),
+        Expected_for_property_initializer: diag(1442, ts.DiagnosticCategory.Error, "Expected_for_property_initializer_1442", "Expected '=' for property initializer."),
+        Module_declaration_names_may_only_use_or_quoted_strings: diag(1443, ts.DiagnosticCategory.Error, "Module_declaration_names_may_only_use_or_quoted_strings_1443", "Module declaration names may only use ' or \" quoted strings."),
+        _0_is_a_type_and_must_be_imported_using_a_type_only_import_when_preserveValueImports_and_isolatedModules_are_both_enabled: diag(1444, ts.DiagnosticCategory.Error, "_0_is_a_type_and_must_be_imported_using_a_type_only_import_when_preserveValueImports_and_isolatedMod_1444", "'{0}' is a type and must be imported using a type-only import when 'preserveValueImports' and 'isolatedModules' are both enabled."),
+        _0_resolves_to_a_type_only_declaration_and_must_be_imported_using_a_type_only_import_when_preserveValueImports_and_isolatedModules_are_both_enabled: diag(1446, ts.DiagnosticCategory.Error, "_0_resolves_to_a_type_only_declaration_and_must_be_imported_using_a_type_only_import_when_preserveVa_1446", "'{0}' resolves to a type-only declaration and must be imported using a type-only import when 'preserveValueImports' and 'isolatedModules' are both enabled."),
+        _0_resolves_to_a_type_only_declaration_and_must_be_re_exported_using_a_type_only_re_export_when_isolatedModules_is_enabled: diag(1448, ts.DiagnosticCategory.Error, "_0_resolves_to_a_type_only_declaration_and_must_be_re_exported_using_a_type_only_re_export_when_isol_1448", "'{0}' resolves to a type-only declaration and must be re-exported using a type-only re-export when 'isolatedModules' is enabled."),
+        Preserve_unused_imported_values_in_the_JavaScript_output_that_would_otherwise_be_removed: diag(1449, ts.DiagnosticCategory.Message, "Preserve_unused_imported_values_in_the_JavaScript_output_that_would_otherwise_be_removed_1449", "Preserve unused imported values in the JavaScript output that would otherwise be removed."),
+        Dynamic_imports_can_only_accept_a_module_specifier_and_an_optional_assertion_as_arguments: diag(1450, ts.DiagnosticCategory.Message, "Dynamic_imports_can_only_accept_a_module_specifier_and_an_optional_assertion_as_arguments_1450", "Dynamic imports can only accept a module specifier and an optional assertion as arguments"),
+        Private_identifiers_are_only_allowed_in_class_bodies_and_may_only_be_used_as_part_of_a_class_member_declaration_property_access_or_on_the_left_hand_side_of_an_in_expression: diag(1451, ts.DiagnosticCategory.Error, "Private_identifiers_are_only_allowed_in_class_bodies_and_may_only_be_used_as_part_of_a_class_member__1451", "Private identifiers are only allowed in class bodies and may only be used as part of a class member declaration, property access, or on the left-hand-side of an 'in' expression"),
+        resolution_mode_assertions_are_only_supported_when_moduleResolution_is_node16_or_nodenext: diag(1452, ts.DiagnosticCategory.Error, "resolution_mode_assertions_are_only_supported_when_moduleResolution_is_node16_or_nodenext_1452", "'resolution-mode' assertions are only supported when `moduleResolution` is `node16` or `nodenext`."),
+        resolution_mode_should_be_either_require_or_import: diag(1453, ts.DiagnosticCategory.Error, "resolution_mode_should_be_either_require_or_import_1453", "`resolution-mode` should be either `require` or `import`."),
+        resolution_mode_can_only_be_set_for_type_only_imports: diag(1454, ts.DiagnosticCategory.Error, "resolution_mode_can_only_be_set_for_type_only_imports_1454", "`resolution-mode` can only be set for type-only imports."),
+        resolution_mode_is_the_only_valid_key_for_type_import_assertions: diag(1455, ts.DiagnosticCategory.Error, "resolution_mode_is_the_only_valid_key_for_type_import_assertions_1455", "`resolution-mode` is the only valid key for type import assertions."),
+        Type_import_assertions_should_have_exactly_one_key_resolution_mode_with_value_import_or_require: diag(1456, ts.DiagnosticCategory.Error, "Type_import_assertions_should_have_exactly_one_key_resolution_mode_with_value_import_or_require_1456", "Type import assertions should have exactly one key - `resolution-mode` - with value `import` or `require`."),
+        The_import_meta_meta_property_is_not_allowed_in_files_which_will_build_into_CommonJS_output: diag(1470, ts.DiagnosticCategory.Error, "The_import_meta_meta_property_is_not_allowed_in_files_which_will_build_into_CommonJS_output_1470", "The 'import.meta' meta-property is not allowed in files which will build into CommonJS output."),
+        Module_0_cannot_be_imported_using_this_construct_The_specifier_only_resolves_to_an_ES_module_which_cannot_be_imported_synchronously_Use_dynamic_import_instead: diag(1471, ts.DiagnosticCategory.Error, "Module_0_cannot_be_imported_using_this_construct_The_specifier_only_resolves_to_an_ES_module_which_c_1471", "Module '{0}' cannot be imported using this construct. The specifier only resolves to an ES module, which cannot be imported synchronously. Use dynamic import instead."),
+        catch_or_finally_expected: diag(1472, ts.DiagnosticCategory.Error, "catch_or_finally_expected_1472", "'catch' or 'finally' expected."),
+        An_import_declaration_can_only_be_used_at_the_top_level_of_a_module: diag(1473, ts.DiagnosticCategory.Error, "An_import_declaration_can_only_be_used_at_the_top_level_of_a_module_1473", "An import declaration can only be used at the top level of a module."),
+        An_export_declaration_can_only_be_used_at_the_top_level_of_a_module: diag(1474, ts.DiagnosticCategory.Error, "An_export_declaration_can_only_be_used_at_the_top_level_of_a_module_1474", "An export declaration can only be used at the top level of a module."),
+        Control_what_method_is_used_to_detect_module_format_JS_files: diag(1475, ts.DiagnosticCategory.Message, "Control_what_method_is_used_to_detect_module_format_JS_files_1475", "Control what method is used to detect module-format JS files."),
+        auto_Colon_Treat_files_with_imports_exports_import_meta_jsx_with_jsx_Colon_react_jsx_or_esm_format_with_module_Colon_node16_as_modules: diag(1476, ts.DiagnosticCategory.Message, "auto_Colon_Treat_files_with_imports_exports_import_meta_jsx_with_jsx_Colon_react_jsx_or_esm_format_w_1476", "\"auto\": Treat files with imports, exports, import.meta, jsx (with jsx: react-jsx), or esm format (with module: node16+) as modules."),
+        The_types_of_0_are_incompatible_between_these_types: diag(2200, ts.DiagnosticCategory.Error, "The_types_of_0_are_incompatible_between_these_types_2200", "The types of '{0}' are incompatible between these types."),
+        The_types_returned_by_0_are_incompatible_between_these_types: diag(2201, ts.DiagnosticCategory.Error, "The_types_returned_by_0_are_incompatible_between_these_types_2201", "The types returned by '{0}' are incompatible between these types."),
+        Call_signature_return_types_0_and_1_are_incompatible: diag(2202, ts.DiagnosticCategory.Error, "Call_signature_return_types_0_and_1_are_incompatible_2202", "Call signature return types '{0}' and '{1}' are incompatible.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
+        Construct_signature_return_types_0_and_1_are_incompatible: diag(2203, ts.DiagnosticCategory.Error, "Construct_signature_return_types_0_and_1_are_incompatible_2203", "Construct signature return types '{0}' and '{1}' are incompatible.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
+        Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1: diag(2204, ts.DiagnosticCategory.Error, "Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1_2204", "Call signatures with no arguments have incompatible return types '{0}' and '{1}'.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
+        Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1: diag(2205, ts.DiagnosticCategory.Error, "Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1_2205", "Construct signatures with no arguments have incompatible return types '{0}' and '{1}'.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
+        The_type_modifier_cannot_be_used_on_a_named_import_when_import_type_is_used_on_its_import_statement: diag(2206, ts.DiagnosticCategory.Error, "The_type_modifier_cannot_be_used_on_a_named_import_when_import_type_is_used_on_its_import_statement_2206", "The 'type' modifier cannot be used on a named import when 'import type' is used on its import statement."),
+        The_type_modifier_cannot_be_used_on_a_named_export_when_export_type_is_used_on_its_export_statement: diag(2207, ts.DiagnosticCategory.Error, "The_type_modifier_cannot_be_used_on_a_named_export_when_export_type_is_used_on_its_export_statement_2207", "The 'type' modifier cannot be used on a named export when 'export type' is used on its export statement."),
+        The_project_root_is_ambiguous_but_is_required_to_resolve_export_map_entry_0_in_file_1_Supply_the_rootDir_compiler_option_to_disambiguate: diag(2209, ts.DiagnosticCategory.Error, "The_project_root_is_ambiguous_but_is_required_to_resolve_export_map_entry_0_in_file_1_Supply_the_roo_2209", "The project root is ambiguous, but is required to resolve export map entry '{0}' in file '{1}'. Supply the `rootDir` compiler option to disambiguate."),
+        The_project_root_is_ambiguous_but_is_required_to_resolve_import_map_entry_0_in_file_1_Supply_the_rootDir_compiler_option_to_disambiguate: diag(2210, ts.DiagnosticCategory.Error, "The_project_root_is_ambiguous_but_is_required_to_resolve_import_map_entry_0_in_file_1_Supply_the_roo_2210", "The project root is ambiguous, but is required to resolve import map entry '{0}' in file '{1}'. Supply the `rootDir` compiler option to disambiguate."),
+        Duplicate_identifier_0: diag(2300, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_2300", "Duplicate identifier '{0}'."),
+        Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: diag(2301, ts.DiagnosticCategory.Error, "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor."),
+        Static_members_cannot_reference_class_type_parameters: diag(2302, ts.DiagnosticCategory.Error, "Static_members_cannot_reference_class_type_parameters_2302", "Static members cannot reference class type parameters."),
+        Circular_definition_of_import_alias_0: diag(2303, ts.DiagnosticCategory.Error, "Circular_definition_of_import_alias_0_2303", "Circular definition of import alias '{0}'."),
+        Cannot_find_name_0: diag(2304, ts.DiagnosticCategory.Error, "Cannot_find_name_0_2304", "Cannot find name '{0}'."),
+        Module_0_has_no_exported_member_1: diag(2305, ts.DiagnosticCategory.Error, "Module_0_has_no_exported_member_1_2305", "Module '{0}' has no exported member '{1}'."),
+        File_0_is_not_a_module: diag(2306, ts.DiagnosticCategory.Error, "File_0_is_not_a_module_2306", "File '{0}' is not a module."),
+        Cannot_find_module_0_or_its_corresponding_type_declarations: diag(2307, ts.DiagnosticCategory.Error, "Cannot_find_module_0_or_its_corresponding_type_declarations_2307", "Cannot find module '{0}' or its corresponding type declarations."),
+        Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: diag(2308, ts.DiagnosticCategory.Error, "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity."),
+        An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: diag(2309, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", "An export assignment cannot be used in a module with other exported elements."),
+        Type_0_recursively_references_itself_as_a_base_type: diag(2310, ts.DiagnosticCategory.Error, "Type_0_recursively_references_itself_as_a_base_type_2310", "Type '{0}' recursively references itself as a base type."),
+        Cannot_find_name_0_Did_you_mean_to_write_this_in_an_async_function: diag(2311, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_to_write_this_in_an_async_function_2311", "Cannot find name '{0}'. Did you mean to write this in an async function?"),
+        An_interface_can_only_extend_an_object_type_or_intersection_of_object_types_with_statically_known_members: diag(2312, ts.DiagnosticCategory.Error, "An_interface_can_only_extend_an_object_type_or_intersection_of_object_types_with_statically_known_me_2312", "An interface can only extend an object type or intersection of object types with statically known members."),
+        Type_parameter_0_has_a_circular_constraint: diag(2313, ts.DiagnosticCategory.Error, "Type_parameter_0_has_a_circular_constraint_2313", "Type parameter '{0}' has a circular constraint."),
+        Generic_type_0_requires_1_type_argument_s: diag(2314, ts.DiagnosticCategory.Error, "Generic_type_0_requires_1_type_argument_s_2314", "Generic type '{0}' requires {1} type argument(s)."),
+        Type_0_is_not_generic: diag(2315, ts.DiagnosticCategory.Error, "Type_0_is_not_generic_2315", "Type '{0}' is not generic."),
+        Global_type_0_must_be_a_class_or_interface_type: diag(2316, ts.DiagnosticCategory.Error, "Global_type_0_must_be_a_class_or_interface_type_2316", "Global type '{0}' must be a class or interface type."),
+        Global_type_0_must_have_1_type_parameter_s: diag(2317, ts.DiagnosticCategory.Error, "Global_type_0_must_have_1_type_parameter_s_2317", "Global type '{0}' must have {1} type parameter(s)."),
+        Cannot_find_global_type_0: diag(2318, ts.DiagnosticCategory.Error, "Cannot_find_global_type_0_2318", "Cannot find global type '{0}'."),
+        Named_property_0_of_types_1_and_2_are_not_identical: diag(2319, ts.DiagnosticCategory.Error, "Named_property_0_of_types_1_and_2_are_not_identical_2319", "Named property '{0}' of types '{1}' and '{2}' are not identical."),
+        Interface_0_cannot_simultaneously_extend_types_1_and_2: diag(2320, ts.DiagnosticCategory.Error, "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'."),
+        Excessive_stack_depth_comparing_types_0_and_1: diag(2321, ts.DiagnosticCategory.Error, "Excessive_stack_depth_comparing_types_0_and_1_2321", "Excessive stack depth comparing types '{0}' and '{1}'."),
+        Type_0_is_not_assignable_to_type_1: diag(2322, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_2322", "Type '{0}' is not assignable to type '{1}'."),
+        Cannot_redeclare_exported_variable_0: diag(2323, ts.DiagnosticCategory.Error, "Cannot_redeclare_exported_variable_0_2323", "Cannot redeclare exported variable '{0}'."),
+        Property_0_is_missing_in_type_1: diag(2324, ts.DiagnosticCategory.Error, "Property_0_is_missing_in_type_1_2324", "Property '{0}' is missing in type '{1}'."),
+        Property_0_is_private_in_type_1_but_not_in_type_2: diag(2325, ts.DiagnosticCategory.Error, "Property_0_is_private_in_type_1_but_not_in_type_2_2325", "Property '{0}' is private in type '{1}' but not in type '{2}'."),
+        Types_of_property_0_are_incompatible: diag(2326, ts.DiagnosticCategory.Error, "Types_of_property_0_are_incompatible_2326", "Types of property '{0}' are incompatible."),
+        Property_0_is_optional_in_type_1_but_required_in_type_2: diag(2327, ts.DiagnosticCategory.Error, "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", "Property '{0}' is optional in type '{1}' but required in type '{2}'."),
+        Types_of_parameters_0_and_1_are_incompatible: diag(2328, ts.DiagnosticCategory.Error, "Types_of_parameters_0_and_1_are_incompatible_2328", "Types of parameters '{0}' and '{1}' are incompatible."),
+        Index_signature_for_type_0_is_missing_in_type_1: diag(2329, ts.DiagnosticCategory.Error, "Index_signature_for_type_0_is_missing_in_type_1_2329", "Index signature for type '{0}' is missing in type '{1}'."),
+        _0_and_1_index_signatures_are_incompatible: diag(2330, ts.DiagnosticCategory.Error, "_0_and_1_index_signatures_are_incompatible_2330", "'{0}' and '{1}' index signatures are incompatible."),
+        this_cannot_be_referenced_in_a_module_or_namespace_body: diag(2331, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", "'this' cannot be referenced in a module or namespace body."),
+        this_cannot_be_referenced_in_current_location: diag(2332, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_current_location_2332", "'this' cannot be referenced in current location."),
+        this_cannot_be_referenced_in_constructor_arguments: diag(2333, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_constructor_arguments_2333", "'this' cannot be referenced in constructor arguments."),
+        this_cannot_be_referenced_in_a_static_property_initializer: diag(2334, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_static_property_initializer_2334", "'this' cannot be referenced in a static property initializer."),
+        super_can_only_be_referenced_in_a_derived_class: diag(2335, ts.DiagnosticCategory.Error, "super_can_only_be_referenced_in_a_derived_class_2335", "'super' can only be referenced in a derived class."),
+        super_cannot_be_referenced_in_constructor_arguments: diag(2336, ts.DiagnosticCategory.Error, "super_cannot_be_referenced_in_constructor_arguments_2336", "'super' cannot be referenced in constructor arguments."),
+        Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: diag(2337, ts.DiagnosticCategory.Error, "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", "Super calls are not permitted outside constructors or in nested functions inside constructors."),
+        super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: diag(2338, ts.DiagnosticCategory.Error, "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class."),
+        Property_0_does_not_exist_on_type_1: diag(2339, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_2339", "Property '{0}' does not exist on type '{1}'."),
+        Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: diag(2340, ts.DiagnosticCategory.Error, "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", "Only public and protected methods of the base class are accessible via the 'super' keyword."),
+        Property_0_is_private_and_only_accessible_within_class_1: diag(2341, ts.DiagnosticCategory.Error, "Property_0_is_private_and_only_accessible_within_class_1_2341", "Property '{0}' is private and only accessible within class '{1}'."),
+        This_syntax_requires_an_imported_helper_named_1_which_does_not_exist_in_0_Consider_upgrading_your_version_of_0: diag(2343, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_named_1_which_does_not_exist_in_0_Consider_upgrading_your_ve_2343", "This syntax requires an imported helper named '{1}' which does not exist in '{0}'. Consider upgrading your version of '{0}'."),
+        Type_0_does_not_satisfy_the_constraint_1: diag(2344, ts.DiagnosticCategory.Error, "Type_0_does_not_satisfy_the_constraint_1_2344", "Type '{0}' does not satisfy the constraint '{1}'."),
+        Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: diag(2345, ts.DiagnosticCategory.Error, "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", "Argument of type '{0}' is not assignable to parameter of type '{1}'."),
+        Call_target_does_not_contain_any_signatures: diag(2346, ts.DiagnosticCategory.Error, "Call_target_does_not_contain_any_signatures_2346", "Call target does not contain any signatures."),
+        Untyped_function_calls_may_not_accept_type_arguments: diag(2347, ts.DiagnosticCategory.Error, "Untyped_function_calls_may_not_accept_type_arguments_2347", "Untyped function calls may not accept type arguments."),
+        Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: diag(2348, ts.DiagnosticCategory.Error, "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", "Value of type '{0}' is not callable. Did you mean to include 'new'?"),
+        This_expression_is_not_callable: diag(2349, ts.DiagnosticCategory.Error, "This_expression_is_not_callable_2349", "This expression is not callable."),
+        Only_a_void_function_can_be_called_with_the_new_keyword: diag(2350, ts.DiagnosticCategory.Error, "Only_a_void_function_can_be_called_with_the_new_keyword_2350", "Only a void function can be called with the 'new' keyword."),
+        This_expression_is_not_constructable: diag(2351, ts.DiagnosticCategory.Error, "This_expression_is_not_constructable_2351", "This expression is not constructable."),
+        Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the_other_If_this_was_intentional_convert_the_expression_to_unknown_first: diag(2352, ts.DiagnosticCategory.Error, "Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the__2352", "Conversion of type '{0}' to type '{1}' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first."),
+        Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: diag(2353, ts.DiagnosticCategory.Error, "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'."),
+        This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found: diag(2354, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found_2354", "This syntax requires an imported helper but module '{0}' cannot be found."),
+        A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: diag(2355, ts.DiagnosticCategory.Error, "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", "A function whose declared type is neither 'void' nor 'any' must return a value."),
+        An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type: diag(2356, ts.DiagnosticCategory.Error, "An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type_2356", "An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type."),
+        The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access: diag(2357, ts.DiagnosticCategory.Error, "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access_2357", "The operand of an increment or decrement operator must be a variable or a property access."),
+        The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: diag(2358, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter."),
+        The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: diag(2359, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type."),
+        The_left_hand_side_of_an_in_expression_must_be_a_private_identifier_or_of_type_any_string_number_or_symbol: diag(2360, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_in_expression_must_be_a_private_identifier_or_of_type_any_string_number_or__2360", "The left-hand side of an 'in' expression must be a private identifier or of type 'any', 'string', 'number', or 'symbol'."),
+        The_right_hand_side_of_an_in_expression_must_not_be_a_primitive: diag(2361, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_in_expression_must_not_be_a_primitive_2361", "The right-hand side of an 'in' expression must not be a primitive."),
+        The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type: diag(2362, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type_2362", "The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type."),
+        The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type: diag(2363, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type_2363", "The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type."),
+        The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access: diag(2364, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access_2364", "The left-hand side of an assignment expression must be a variable or a property access."),
+        Operator_0_cannot_be_applied_to_types_1_and_2: diag(2365, ts.DiagnosticCategory.Error, "Operator_0_cannot_be_applied_to_types_1_and_2_2365", "Operator '{0}' cannot be applied to types '{1}' and '{2}'."),
+        Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined: diag(2366, ts.DiagnosticCategory.Error, "Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined_2366", "Function lacks ending return statement and return type does not include 'undefined'."),
+        This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap: diag(2367, ts.DiagnosticCategory.Error, "This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap_2367", "This condition will always return '{0}' since the types '{1}' and '{2}' have no overlap."),
+        Type_parameter_name_cannot_be_0: diag(2368, ts.DiagnosticCategory.Error, "Type_parameter_name_cannot_be_0_2368", "Type parameter name cannot be '{0}'."),
+        A_parameter_property_is_only_allowed_in_a_constructor_implementation: diag(2369, ts.DiagnosticCategory.Error, "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", "A parameter property is only allowed in a constructor implementation."),
+        A_rest_parameter_must_be_of_an_array_type: diag(2370, ts.DiagnosticCategory.Error, "A_rest_parameter_must_be_of_an_array_type_2370", "A rest parameter must be of an array type."),
+        A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: diag(2371, ts.DiagnosticCategory.Error, "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", "A parameter initializer is only allowed in a function or constructor implementation."),
+        Parameter_0_cannot_reference_itself: diag(2372, ts.DiagnosticCategory.Error, "Parameter_0_cannot_reference_itself_2372", "Parameter '{0}' cannot reference itself."),
+        Parameter_0_cannot_reference_identifier_1_declared_after_it: diag(2373, ts.DiagnosticCategory.Error, "Parameter_0_cannot_reference_identifier_1_declared_after_it_2373", "Parameter '{0}' cannot reference identifier '{1}' declared after it."),
+        Duplicate_index_signature_for_type_0: diag(2374, ts.DiagnosticCategory.Error, "Duplicate_index_signature_for_type_0_2374", "Duplicate index signature for type '{0}'."),
+        Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties: diag(2375, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefi_2375", "Type '{0}' is not assignable to type '{1}' with 'exactOptionalPropertyTypes: true'. Consider adding 'undefined' to the types of the target's properties."),
+        A_super_call_must_be_the_first_statement_in_the_constructor_to_refer_to_super_or_this_when_a_derived_class_contains_initialized_properties_parameter_properties_or_private_identifiers: diag(2376, ts.DiagnosticCategory.Error, "A_super_call_must_be_the_first_statement_in_the_constructor_to_refer_to_super_or_this_when_a_derived_2376", "A 'super' call must be the first statement in the constructor to refer to 'super' or 'this' when a derived class contains initialized properties, parameter properties, or private identifiers."),
+        Constructors_for_derived_classes_must_contain_a_super_call: diag(2377, ts.DiagnosticCategory.Error, "Constructors_for_derived_classes_must_contain_a_super_call_2377", "Constructors for derived classes must contain a 'super' call."),
+        A_get_accessor_must_return_a_value: diag(2378, ts.DiagnosticCategory.Error, "A_get_accessor_must_return_a_value_2378", "A 'get' accessor must return a value."),
+        Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties: diag(2379, ts.DiagnosticCategory.Error, "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_with_exactOptionalPropertyTypes_Colon_tr_2379", "Argument of type '{0}' is not assignable to parameter of type '{1}' with 'exactOptionalPropertyTypes: true'. Consider adding 'undefined' to the types of the target's properties."),
+        The_return_type_of_a_get_accessor_must_be_assignable_to_its_set_accessor_type: diag(2380, ts.DiagnosticCategory.Error, "The_return_type_of_a_get_accessor_must_be_assignable_to_its_set_accessor_type_2380", "The return type of a 'get' accessor must be assignable to its 'set' accessor type"),
+        Overload_signatures_must_all_be_exported_or_non_exported: diag(2383, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_exported_or_non_exported_2383", "Overload signatures must all be exported or non-exported."),
+        Overload_signatures_must_all_be_ambient_or_non_ambient: diag(2384, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", "Overload signatures must all be ambient or non-ambient."),
+        Overload_signatures_must_all_be_public_private_or_protected: diag(2385, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_public_private_or_protected_2385", "Overload signatures must all be public, private or protected."),
+        Overload_signatures_must_all_be_optional_or_required: diag(2386, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_optional_or_required_2386", "Overload signatures must all be optional or required."),
+        Function_overload_must_be_static: diag(2387, ts.DiagnosticCategory.Error, "Function_overload_must_be_static_2387", "Function overload must be static."),
+        Function_overload_must_not_be_static: diag(2388, ts.DiagnosticCategory.Error, "Function_overload_must_not_be_static_2388", "Function overload must not be static."),
+        Function_implementation_name_must_be_0: diag(2389, ts.DiagnosticCategory.Error, "Function_implementation_name_must_be_0_2389", "Function implementation name must be '{0}'."),
+        Constructor_implementation_is_missing: diag(2390, ts.DiagnosticCategory.Error, "Constructor_implementation_is_missing_2390", "Constructor implementation is missing."),
+        Function_implementation_is_missing_or_not_immediately_following_the_declaration: diag(2391, ts.DiagnosticCategory.Error, "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", "Function implementation is missing or not immediately following the declaration."),
+        Multiple_constructor_implementations_are_not_allowed: diag(2392, ts.DiagnosticCategory.Error, "Multiple_constructor_implementations_are_not_allowed_2392", "Multiple constructor implementations are not allowed."),
+        Duplicate_function_implementation: diag(2393, ts.DiagnosticCategory.Error, "Duplicate_function_implementation_2393", "Duplicate function implementation."),
+        This_overload_signature_is_not_compatible_with_its_implementation_signature: diag(2394, ts.DiagnosticCategory.Error, "This_overload_signature_is_not_compatible_with_its_implementation_signature_2394", "This overload signature is not compatible with its implementation signature."),
+        Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: diag(2395, ts.DiagnosticCategory.Error, "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", "Individual declarations in merged declaration '{0}' must be all exported or all local."),
+        Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: diag(2396, ts.DiagnosticCategory.Error, "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters."),
+        Declaration_name_conflicts_with_built_in_global_identifier_0: diag(2397, ts.DiagnosticCategory.Error, "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", "Declaration name conflicts with built-in global identifier '{0}'."),
+        constructor_cannot_be_used_as_a_parameter_property_name: diag(2398, ts.DiagnosticCategory.Error, "constructor_cannot_be_used_as_a_parameter_property_name_2398", "'constructor' cannot be used as a parameter property name."),
+        Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: diag(2399, ts.DiagnosticCategory.Error, "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference."),
+        Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: diag(2400, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference."),
+        A_super_call_must_be_a_root_level_statement_within_a_constructor_of_a_derived_class_that_contains_initialized_properties_parameter_properties_or_private_identifiers: diag(2401, ts.DiagnosticCategory.Error, "A_super_call_must_be_a_root_level_statement_within_a_constructor_of_a_derived_class_that_contains_in_2401", "A 'super' call must be a root-level statement within a constructor of a derived class that contains initialized properties, parameter properties, or private identifiers."),
+        Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: diag(2402, ts.DiagnosticCategory.Error, "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", "Expression resolves to '_super' that compiler uses to capture base class reference."),
+        Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: diag(2403, ts.DiagnosticCategory.Error, "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", "Subsequent variable declarations must have the same type.  Variable '{0}' must be of type '{1}', but here has type '{2}'."),
+        The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: diag(2404, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", "The left-hand side of a 'for...in' statement cannot use a type annotation."),
+        The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: diag(2405, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'."),
+        The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access: diag(2406, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access_2406", "The left-hand side of a 'for...in' statement must be a variable or a property access."),
+        The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_but_here_has_type_0: diag(2407, ts.DiagnosticCategory.Error, "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_but_2407", "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter, but here has type '{0}'."),
+        Setters_cannot_return_a_value: diag(2408, ts.DiagnosticCategory.Error, "Setters_cannot_return_a_value_2408", "Setters cannot return a value."),
+        Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: diag(2409, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", "Return type of constructor signature must be assignable to the instance type of the class."),
+        The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any: diag(2410, ts.DiagnosticCategory.Error, "The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any_2410", "The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'."),
+        Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_type_of_the_target: diag(2412, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefi_2412", "Type '{0}' is not assignable to type '{1}' with 'exactOptionalPropertyTypes: true'. Consider adding 'undefined' to the type of the target."),
+        Property_0_of_type_1_is_not_assignable_to_2_index_type_3: diag(2411, ts.DiagnosticCategory.Error, "Property_0_of_type_1_is_not_assignable_to_2_index_type_3_2411", "Property '{0}' of type '{1}' is not assignable to '{2}' index type '{3}'."),
+        _0_index_type_1_is_not_assignable_to_2_index_type_3: diag(2413, ts.DiagnosticCategory.Error, "_0_index_type_1_is_not_assignable_to_2_index_type_3_2413", "'{0}' index type '{1}' is not assignable to '{2}' index type '{3}'."),
+        Class_name_cannot_be_0: diag(2414, ts.DiagnosticCategory.Error, "Class_name_cannot_be_0_2414", "Class name cannot be '{0}'."),
+        Class_0_incorrectly_extends_base_class_1: diag(2415, ts.DiagnosticCategory.Error, "Class_0_incorrectly_extends_base_class_1_2415", "Class '{0}' incorrectly extends base class '{1}'."),
+        Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2: diag(2416, ts.DiagnosticCategory.Error, "Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2_2416", "Property '{0}' in type '{1}' is not assignable to the same property in base type '{2}'."),
+        Class_static_side_0_incorrectly_extends_base_class_static_side_1: diag(2417, ts.DiagnosticCategory.Error, "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", "Class static side '{0}' incorrectly extends base class static side '{1}'."),
+        Type_of_computed_property_s_value_is_0_which_is_not_assignable_to_type_1: diag(2418, ts.DiagnosticCategory.Error, "Type_of_computed_property_s_value_is_0_which_is_not_assignable_to_type_1_2418", "Type of computed property's value is '{0}', which is not assignable to type '{1}'."),
+        Types_of_construct_signatures_are_incompatible: diag(2419, ts.DiagnosticCategory.Error, "Types_of_construct_signatures_are_incompatible_2419", "Types of construct signatures are incompatible."),
+        Class_0_incorrectly_implements_interface_1: diag(2420, ts.DiagnosticCategory.Error, "Class_0_incorrectly_implements_interface_1_2420", "Class '{0}' incorrectly implements interface '{1}'."),
+        A_class_can_only_implement_an_object_type_or_intersection_of_object_types_with_statically_known_members: diag(2422, ts.DiagnosticCategory.Error, "A_class_can_only_implement_an_object_type_or_intersection_of_object_types_with_statically_known_memb_2422", "A class can only implement an object type or intersection of object types with statically known members."),
+        Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: diag(2423, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor."),
+        Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: diag(2425, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function."),
+        Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: diag(2426, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function."),
+        Interface_name_cannot_be_0: diag(2427, ts.DiagnosticCategory.Error, "Interface_name_cannot_be_0_2427", "Interface name cannot be '{0}'."),
+        All_declarations_of_0_must_have_identical_type_parameters: diag(2428, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_type_parameters_2428", "All declarations of '{0}' must have identical type parameters."),
+        Interface_0_incorrectly_extends_interface_1: diag(2430, ts.DiagnosticCategory.Error, "Interface_0_incorrectly_extends_interface_1_2430", "Interface '{0}' incorrectly extends interface '{1}'."),
+        Enum_name_cannot_be_0: diag(2431, ts.DiagnosticCategory.Error, "Enum_name_cannot_be_0_2431", "Enum name cannot be '{0}'."),
+        In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: diag(2432, ts.DiagnosticCategory.Error, "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element."),
+        A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: diag(2433, ts.DiagnosticCategory.Error, "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", "A namespace declaration cannot be in a different file from a class or function with which it is merged."),
+        A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: diag(2434, ts.DiagnosticCategory.Error, "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", "A namespace declaration cannot be located prior to a class or function with which it is merged."),
+        Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: diag(2435, ts.DiagnosticCategory.Error, "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", "Ambient modules cannot be nested in other modules or namespaces."),
+        Ambient_module_declaration_cannot_specify_relative_module_name: diag(2436, ts.DiagnosticCategory.Error, "Ambient_module_declaration_cannot_specify_relative_module_name_2436", "Ambient module declaration cannot specify relative module name."),
+        Module_0_is_hidden_by_a_local_declaration_with_the_same_name: diag(2437, ts.DiagnosticCategory.Error, "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", "Module '{0}' is hidden by a local declaration with the same name."),
+        Import_name_cannot_be_0: diag(2438, ts.DiagnosticCategory.Error, "Import_name_cannot_be_0_2438", "Import name cannot be '{0}'."),
+        Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: diag(2439, ts.DiagnosticCategory.Error, "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", "Import or export declaration in an ambient module declaration cannot reference module through relative module name."),
+        Import_declaration_conflicts_with_local_declaration_of_0: diag(2440, ts.DiagnosticCategory.Error, "Import_declaration_conflicts_with_local_declaration_of_0_2440", "Import declaration conflicts with local declaration of '{0}'."),
+        Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: diag(2441, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module."),
+        Types_have_separate_declarations_of_a_private_property_0: diag(2442, ts.DiagnosticCategory.Error, "Types_have_separate_declarations_of_a_private_property_0_2442", "Types have separate declarations of a private property '{0}'."),
+        Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: diag(2443, ts.DiagnosticCategory.Error, "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'."),
+        Property_0_is_protected_in_type_1_but_public_in_type_2: diag(2444, ts.DiagnosticCategory.Error, "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", "Property '{0}' is protected in type '{1}' but public in type '{2}'."),
+        Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: diag(2445, ts.DiagnosticCategory.Error, "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", "Property '{0}' is protected and only accessible within class '{1}' and its subclasses."),
+        Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_This_is_an_instance_of_class_2: diag(2446, ts.DiagnosticCategory.Error, "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_This_is_an_instance_of_cl_2446", "Property '{0}' is protected and only accessible through an instance of class '{1}'. This is an instance of class '{2}'."),
+        The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: diag(2447, ts.DiagnosticCategory.Error, "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead."),
+        Block_scoped_variable_0_used_before_its_declaration: diag(2448, ts.DiagnosticCategory.Error, "Block_scoped_variable_0_used_before_its_declaration_2448", "Block-scoped variable '{0}' used before its declaration."),
+        Class_0_used_before_its_declaration: diag(2449, ts.DiagnosticCategory.Error, "Class_0_used_before_its_declaration_2449", "Class '{0}' used before its declaration."),
+        Enum_0_used_before_its_declaration: diag(2450, ts.DiagnosticCategory.Error, "Enum_0_used_before_its_declaration_2450", "Enum '{0}' used before its declaration."),
+        Cannot_redeclare_block_scoped_variable_0: diag(2451, ts.DiagnosticCategory.Error, "Cannot_redeclare_block_scoped_variable_0_2451", "Cannot redeclare block-scoped variable '{0}'."),
+        An_enum_member_cannot_have_a_numeric_name: diag(2452, ts.DiagnosticCategory.Error, "An_enum_member_cannot_have_a_numeric_name_2452", "An enum member cannot have a numeric name."),
+        Variable_0_is_used_before_being_assigned: diag(2454, ts.DiagnosticCategory.Error, "Variable_0_is_used_before_being_assigned_2454", "Variable '{0}' is used before being assigned."),
+        Type_alias_0_circularly_references_itself: diag(2456, ts.DiagnosticCategory.Error, "Type_alias_0_circularly_references_itself_2456", "Type alias '{0}' circularly references itself."),
+        Type_alias_name_cannot_be_0: diag(2457, ts.DiagnosticCategory.Error, "Type_alias_name_cannot_be_0_2457", "Type alias name cannot be '{0}'."),
+        An_AMD_module_cannot_have_multiple_name_assignments: diag(2458, ts.DiagnosticCategory.Error, "An_AMD_module_cannot_have_multiple_name_assignments_2458", "An AMD module cannot have multiple name assignments."),
+        Module_0_declares_1_locally_but_it_is_not_exported: diag(2459, ts.DiagnosticCategory.Error, "Module_0_declares_1_locally_but_it_is_not_exported_2459", "Module '{0}' declares '{1}' locally, but it is not exported."),
+        Module_0_declares_1_locally_but_it_is_exported_as_2: diag(2460, ts.DiagnosticCategory.Error, "Module_0_declares_1_locally_but_it_is_exported_as_2_2460", "Module '{0}' declares '{1}' locally, but it is exported as '{2}'."),
+        Type_0_is_not_an_array_type: diag(2461, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_2461", "Type '{0}' is not an array type."),
+        A_rest_element_must_be_last_in_a_destructuring_pattern: diag(2462, ts.DiagnosticCategory.Error, "A_rest_element_must_be_last_in_a_destructuring_pattern_2462", "A rest element must be last in a destructuring pattern."),
+        A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: diag(2463, ts.DiagnosticCategory.Error, "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", "A binding pattern parameter cannot be optional in an implementation signature."),
+        A_computed_property_name_must_be_of_type_string_number_symbol_or_any: diag(2464, ts.DiagnosticCategory.Error, "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", "A computed property name must be of type 'string', 'number', 'symbol', or 'any'."),
+        this_cannot_be_referenced_in_a_computed_property_name: diag(2465, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_computed_property_name_2465", "'this' cannot be referenced in a computed property name."),
+        super_cannot_be_referenced_in_a_computed_property_name: diag(2466, ts.DiagnosticCategory.Error, "super_cannot_be_referenced_in_a_computed_property_name_2466", "'super' cannot be referenced in a computed property name."),
+        A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: diag(2467, ts.DiagnosticCategory.Error, "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", "A computed property name cannot reference a type parameter from its containing type."),
+        Cannot_find_global_value_0: diag(2468, ts.DiagnosticCategory.Error, "Cannot_find_global_value_0_2468", "Cannot find global value '{0}'."),
+        The_0_operator_cannot_be_applied_to_type_symbol: diag(2469, ts.DiagnosticCategory.Error, "The_0_operator_cannot_be_applied_to_type_symbol_2469", "The '{0}' operator cannot be applied to type 'symbol'."),
+        Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: diag(2472, ts.DiagnosticCategory.Error, "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher."),
+        Enum_declarations_must_all_be_const_or_non_const: diag(2473, ts.DiagnosticCategory.Error, "Enum_declarations_must_all_be_const_or_non_const_2473", "Enum declarations must all be const or non-const."),
+        const_enum_member_initializers_can_only_contain_literal_values_and_other_computed_enum_values: diag(2474, ts.DiagnosticCategory.Error, "const_enum_member_initializers_can_only_contain_literal_values_and_other_computed_enum_values_2474", "const enum member initializers can only contain literal values and other computed enum values."),
+        const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment_or_type_query: diag(2475, ts.DiagnosticCategory.Error, "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment or type query."),
+        A_const_enum_member_can_only_be_accessed_using_a_string_literal: diag(2476, ts.DiagnosticCategory.Error, "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", "A const enum member can only be accessed using a string literal."),
+        const_enum_member_initializer_was_evaluated_to_a_non_finite_value: diag(2477, ts.DiagnosticCategory.Error, "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", "'const' enum member initializer was evaluated to a non-finite value."),
+        const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: diag(2478, ts.DiagnosticCategory.Error, "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", "'const' enum member initializer was evaluated to disallowed value 'NaN'."),
+        let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: diag(2480, ts.DiagnosticCategory.Error, "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", "'let' is not allowed to be used as a name in 'let' or 'const' declarations."),
+        Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: diag(2481, ts.DiagnosticCategory.Error, "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'."),
+        The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: diag(2483, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", "The left-hand side of a 'for...of' statement cannot use a type annotation."),
+        Export_declaration_conflicts_with_exported_declaration_of_0: diag(2484, ts.DiagnosticCategory.Error, "Export_declaration_conflicts_with_exported_declaration_of_0_2484", "Export declaration conflicts with exported declaration of '{0}'."),
+        The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access: diag(2487, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access_2487", "The left-hand side of a 'for...of' statement must be a variable or a property access."),
+        Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2488, ts.DiagnosticCategory.Error, "Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", "Type '{0}' must have a '[Symbol.iterator]()' method that returns an iterator."),
+        An_iterator_must_have_a_next_method: diag(2489, ts.DiagnosticCategory.Error, "An_iterator_must_have_a_next_method_2489", "An iterator must have a 'next()' method."),
+        The_type_returned_by_the_0_method_of_an_iterator_must_have_a_value_property: diag(2490, ts.DiagnosticCategory.Error, "The_type_returned_by_the_0_method_of_an_iterator_must_have_a_value_property_2490", "The type returned by the '{0}()' method of an iterator must have a 'value' property."),
+        The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: diag(2491, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", "The left-hand side of a 'for...in' statement cannot be a destructuring pattern."),
+        Cannot_redeclare_identifier_0_in_catch_clause: diag(2492, ts.DiagnosticCategory.Error, "Cannot_redeclare_identifier_0_in_catch_clause_2492", "Cannot redeclare identifier '{0}' in catch clause."),
+        Tuple_type_0_of_length_1_has_no_element_at_index_2: diag(2493, ts.DiagnosticCategory.Error, "Tuple_type_0_of_length_1_has_no_element_at_index_2_2493", "Tuple type '{0}' of length '{1}' has no element at index '{2}'."),
+        Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: diag(2494, ts.DiagnosticCategory.Error, "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher."),
+        Type_0_is_not_an_array_type_or_a_string_type: diag(2495, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_2495", "Type '{0}' is not an array type or a string type."),
+        The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: diag(2496, ts.DiagnosticCategory.Error, "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression."),
+        This_module_can_only_be_referenced_with_ECMAScript_imports_Slashexports_by_turning_on_the_0_flag_and_referencing_its_default_export: diag(2497, ts.DiagnosticCategory.Error, "This_module_can_only_be_referenced_with_ECMAScript_imports_Slashexports_by_turning_on_the_0_flag_and_2497", "This module can only be referenced with ECMAScript imports/exports by turning on the '{0}' flag and referencing its default export."),
+        Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: diag(2498, ts.DiagnosticCategory.Error, "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", "Module '{0}' uses 'export =' and cannot be used with 'export *'."),
+        An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: diag(2499, ts.DiagnosticCategory.Error, "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", "An interface can only extend an identifier/qualified-name with optional type arguments."),
+        A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: diag(2500, ts.DiagnosticCategory.Error, "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", "A class can only implement an identifier/qualified-name with optional type arguments."),
+        A_rest_element_cannot_contain_a_binding_pattern: diag(2501, ts.DiagnosticCategory.Error, "A_rest_element_cannot_contain_a_binding_pattern_2501", "A rest element cannot contain a binding pattern."),
+        _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: diag(2502, ts.DiagnosticCategory.Error, "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", "'{0}' is referenced directly or indirectly in its own type annotation."),
+        Cannot_find_namespace_0: diag(2503, ts.DiagnosticCategory.Error, "Cannot_find_namespace_0_2503", "Cannot find namespace '{0}'."),
+        Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator: diag(2504, ts.DiagnosticCategory.Error, "Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator_2504", "Type '{0}' must have a '[Symbol.asyncIterator]()' method that returns an async iterator."),
+        A_generator_cannot_have_a_void_type_annotation: diag(2505, ts.DiagnosticCategory.Error, "A_generator_cannot_have_a_void_type_annotation_2505", "A generator cannot have a 'void' type annotation."),
+        _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: diag(2506, ts.DiagnosticCategory.Error, "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", "'{0}' is referenced directly or indirectly in its own base expression."),
+        Type_0_is_not_a_constructor_function_type: diag(2507, ts.DiagnosticCategory.Error, "Type_0_is_not_a_constructor_function_type_2507", "Type '{0}' is not a constructor function type."),
+        No_base_constructor_has_the_specified_number_of_type_arguments: diag(2508, ts.DiagnosticCategory.Error, "No_base_constructor_has_the_specified_number_of_type_arguments_2508", "No base constructor has the specified number of type arguments."),
+        Base_constructor_return_type_0_is_not_an_object_type_or_intersection_of_object_types_with_statically_known_members: diag(2509, ts.DiagnosticCategory.Error, "Base_constructor_return_type_0_is_not_an_object_type_or_intersection_of_object_types_with_statically_2509", "Base constructor return type '{0}' is not an object type or intersection of object types with statically known members."),
+        Base_constructors_must_all_have_the_same_return_type: diag(2510, ts.DiagnosticCategory.Error, "Base_constructors_must_all_have_the_same_return_type_2510", "Base constructors must all have the same return type."),
+        Cannot_create_an_instance_of_an_abstract_class: diag(2511, ts.DiagnosticCategory.Error, "Cannot_create_an_instance_of_an_abstract_class_2511", "Cannot create an instance of an abstract class."),
+        Overload_signatures_must_all_be_abstract_or_non_abstract: diag(2512, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_abstract_or_non_abstract_2512", "Overload signatures must all be abstract or non-abstract."),
+        Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: diag(2513, ts.DiagnosticCategory.Error, "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", "Abstract method '{0}' in class '{1}' cannot be accessed via super expression."),
+        Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: diag(2515, ts.DiagnosticCategory.Error, "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'."),
+        All_declarations_of_an_abstract_method_must_be_consecutive: diag(2516, ts.DiagnosticCategory.Error, "All_declarations_of_an_abstract_method_must_be_consecutive_2516", "All declarations of an abstract method must be consecutive."),
+        Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: diag(2517, ts.DiagnosticCategory.Error, "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", "Cannot assign an abstract constructor type to a non-abstract constructor type."),
+        A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: diag(2518, ts.DiagnosticCategory.Error, "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", "A 'this'-based type guard is not compatible with a parameter-based type guard."),
+        An_async_iterator_must_have_a_next_method: diag(2519, ts.DiagnosticCategory.Error, "An_async_iterator_must_have_a_next_method_2519", "An async iterator must have a 'next()' method."),
+        Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: diag(2520, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions."),
+        The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method: diag(2522, ts.DiagnosticCategory.Error, "The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_usi_2522", "The 'arguments' object cannot be referenced in an async function or method in ES3 and ES5. Consider using a standard function or method."),
+        yield_expressions_cannot_be_used_in_a_parameter_initializer: diag(2523, ts.DiagnosticCategory.Error, "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", "'yield' expressions cannot be used in a parameter initializer."),
+        await_expressions_cannot_be_used_in_a_parameter_initializer: diag(2524, ts.DiagnosticCategory.Error, "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", "'await' expressions cannot be used in a parameter initializer."),
+        Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: diag(2525, ts.DiagnosticCategory.Error, "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", "Initializer provides no value for this binding element and the binding element has no default value."),
+        A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: diag(2526, ts.DiagnosticCategory.Error, "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", "A 'this' type is available only in a non-static member of a class or interface."),
+        The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary: diag(2527, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527", "The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary."),
+        A_module_cannot_have_multiple_default_exports: diag(2528, ts.DiagnosticCategory.Error, "A_module_cannot_have_multiple_default_exports_2528", "A module cannot have multiple default exports."),
+        Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: diag(2529, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions."),
+        Property_0_is_incompatible_with_index_signature: diag(2530, ts.DiagnosticCategory.Error, "Property_0_is_incompatible_with_index_signature_2530", "Property '{0}' is incompatible with index signature."),
+        Object_is_possibly_null: diag(2531, ts.DiagnosticCategory.Error, "Object_is_possibly_null_2531", "Object is possibly 'null'."),
+        Object_is_possibly_undefined: diag(2532, ts.DiagnosticCategory.Error, "Object_is_possibly_undefined_2532", "Object is possibly 'undefined'."),
+        Object_is_possibly_null_or_undefined: diag(2533, ts.DiagnosticCategory.Error, "Object_is_possibly_null_or_undefined_2533", "Object is possibly 'null' or 'undefined'."),
+        A_function_returning_never_cannot_have_a_reachable_end_point: diag(2534, ts.DiagnosticCategory.Error, "A_function_returning_never_cannot_have_a_reachable_end_point_2534", "A function returning 'never' cannot have a reachable end point."),
+        Enum_type_0_has_members_with_initializers_that_are_not_literals: diag(2535, ts.DiagnosticCategory.Error, "Enum_type_0_has_members_with_initializers_that_are_not_literals_2535", "Enum type '{0}' has members with initializers that are not literals."),
+        Type_0_cannot_be_used_to_index_type_1: diag(2536, ts.DiagnosticCategory.Error, "Type_0_cannot_be_used_to_index_type_1_2536", "Type '{0}' cannot be used to index type '{1}'."),
+        Type_0_has_no_matching_index_signature_for_type_1: diag(2537, ts.DiagnosticCategory.Error, "Type_0_has_no_matching_index_signature_for_type_1_2537", "Type '{0}' has no matching index signature for type '{1}'."),
+        Type_0_cannot_be_used_as_an_index_type: diag(2538, ts.DiagnosticCategory.Error, "Type_0_cannot_be_used_as_an_index_type_2538", "Type '{0}' cannot be used as an index type."),
+        Cannot_assign_to_0_because_it_is_not_a_variable: diag(2539, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_not_a_variable_2539", "Cannot assign to '{0}' because it is not a variable."),
+        Cannot_assign_to_0_because_it_is_a_read_only_property: diag(2540, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_read_only_property_2540", "Cannot assign to '{0}' because it is a read-only property."),
+        Index_signature_in_type_0_only_permits_reading: diag(2542, ts.DiagnosticCategory.Error, "Index_signature_in_type_0_only_permits_reading_2542", "Index signature in type '{0}' only permits reading."),
+        Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_meta_property_reference: diag(2543, ts.DiagnosticCategory.Error, "Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_me_2543", "Duplicate identifier '_newTarget'. Compiler uses variable declaration '_newTarget' to capture 'new.target' meta-property reference."),
+        Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta_property_reference: diag(2544, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta__2544", "Expression resolves to variable declaration '_newTarget' that compiler uses to capture 'new.target' meta-property reference."),
+        A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any: diag(2545, ts.DiagnosticCategory.Error, "A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any_2545", "A mixin class must have a constructor with a single rest parameter of type 'any[]'."),
+        The_type_returned_by_the_0_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_property: diag(2547, ts.DiagnosticCategory.Error, "The_type_returned_by_the_0_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_pro_2547", "The type returned by the '{0}()' method of an async iterator must be a promise for a type with a 'value' property."),
+        Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2548, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator_2548", "Type '{0}' is not an array type or does not have a '[Symbol.iterator]()' method that returns an iterator."),
+        Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2549, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns__2549", "Type '{0}' is not an array type or a string type or does not have a '[Symbol.iterator]()' method that returns an iterator."),
+        Property_0_does_not_exist_on_type_1_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_2_or_later: diag(2550, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_Do_you_need_to_change_your_target_library_Try_changing_the_lib_c_2550", "Property '{0}' does not exist on type '{1}'. Do you need to change your target library? Try changing the 'lib' compiler option to '{2}' or later."),
+        Property_0_does_not_exist_on_type_1_Did_you_mean_2: diag(2551, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_Did_you_mean_2_2551", "Property '{0}' does not exist on type '{1}'. Did you mean '{2}'?"),
+        Cannot_find_name_0_Did_you_mean_1: diag(2552, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_1_2552", "Cannot find name '{0}'. Did you mean '{1}'?"),
+        Computed_values_are_not_permitted_in_an_enum_with_string_valued_members: diag(2553, ts.DiagnosticCategory.Error, "Computed_values_are_not_permitted_in_an_enum_with_string_valued_members_2553", "Computed values are not permitted in an enum with string valued members."),
+        Expected_0_arguments_but_got_1: diag(2554, ts.DiagnosticCategory.Error, "Expected_0_arguments_but_got_1_2554", "Expected {0} arguments, but got {1}."),
+        Expected_at_least_0_arguments_but_got_1: diag(2555, ts.DiagnosticCategory.Error, "Expected_at_least_0_arguments_but_got_1_2555", "Expected at least {0} arguments, but got {1}."),
+        A_spread_argument_must_either_have_a_tuple_type_or_be_passed_to_a_rest_parameter: diag(2556, ts.DiagnosticCategory.Error, "A_spread_argument_must_either_have_a_tuple_type_or_be_passed_to_a_rest_parameter_2556", "A spread argument must either have a tuple type or be passed to a rest parameter."),
+        Expected_0_type_arguments_but_got_1: diag(2558, ts.DiagnosticCategory.Error, "Expected_0_type_arguments_but_got_1_2558", "Expected {0} type arguments, but got {1}."),
+        Type_0_has_no_properties_in_common_with_type_1: diag(2559, ts.DiagnosticCategory.Error, "Type_0_has_no_properties_in_common_with_type_1_2559", "Type '{0}' has no properties in common with type '{1}'."),
+        Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it: diag(2560, ts.DiagnosticCategory.Error, "Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it_2560", "Value of type '{0}' has no properties in common with type '{1}'. Did you mean to call it?"),
+        Object_literal_may_only_specify_known_properties_but_0_does_not_exist_in_type_1_Did_you_mean_to_write_2: diag(2561, ts.DiagnosticCategory.Error, "Object_literal_may_only_specify_known_properties_but_0_does_not_exist_in_type_1_Did_you_mean_to_writ_2561", "Object literal may only specify known properties, but '{0}' does not exist in type '{1}'. Did you mean to write '{2}'?"),
+        Base_class_expressions_cannot_reference_class_type_parameters: diag(2562, ts.DiagnosticCategory.Error, "Base_class_expressions_cannot_reference_class_type_parameters_2562", "Base class expressions cannot reference class type parameters."),
+        The_containing_function_or_module_body_is_too_large_for_control_flow_analysis: diag(2563, ts.DiagnosticCategory.Error, "The_containing_function_or_module_body_is_too_large_for_control_flow_analysis_2563", "The containing function or module body is too large for control flow analysis."),
+        Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor: diag(2564, ts.DiagnosticCategory.Error, "Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor_2564", "Property '{0}' has no initializer and is not definitely assigned in the constructor."),
+        Property_0_is_used_before_being_assigned: diag(2565, ts.DiagnosticCategory.Error, "Property_0_is_used_before_being_assigned_2565", "Property '{0}' is used before being assigned."),
+        A_rest_element_cannot_have_a_property_name: diag(2566, ts.DiagnosticCategory.Error, "A_rest_element_cannot_have_a_property_name_2566", "A rest element cannot have a property name."),
+        Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations: diag(2567, ts.DiagnosticCategory.Error, "Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations_2567", "Enum declarations can only merge with namespace or other enum declarations."),
+        Property_0_may_not_exist_on_type_1_Did_you_mean_2: diag(2568, ts.DiagnosticCategory.Error, "Property_0_may_not_exist_on_type_1_Did_you_mean_2_2568", "Property '{0}' may not exist on type '{1}'. Did you mean '{2}'?"),
+        Could_not_find_name_0_Did_you_mean_1: diag(2570, ts.DiagnosticCategory.Error, "Could_not_find_name_0_Did_you_mean_1_2570", "Could not find name '{0}'. Did you mean '{1}'?"),
+        Object_is_of_type_unknown: diag(2571, ts.DiagnosticCategory.Error, "Object_is_of_type_unknown_2571", "Object is of type 'unknown'."),
+        A_rest_element_type_must_be_an_array_type: diag(2574, ts.DiagnosticCategory.Error, "A_rest_element_type_must_be_an_array_type_2574", "A rest element type must be an array type."),
+        No_overload_expects_0_arguments_but_overloads_do_exist_that_expect_either_1_or_2_arguments: diag(2575, ts.DiagnosticCategory.Error, "No_overload_expects_0_arguments_but_overloads_do_exist_that_expect_either_1_or_2_arguments_2575", "No overload expects {0} arguments, but overloads do exist that expect either {1} or {2} arguments."),
+        Property_0_does_not_exist_on_type_1_Did_you_mean_to_access_the_static_member_2_instead: diag(2576, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_Did_you_mean_to_access_the_static_member_2_instead_2576", "Property '{0}' does not exist on type '{1}'. Did you mean to access the static member '{2}' instead?"),
+        Return_type_annotation_circularly_references_itself: diag(2577, ts.DiagnosticCategory.Error, "Return_type_annotation_circularly_references_itself_2577", "Return type annotation circularly references itself."),
+        Unused_ts_expect_error_directive: diag(2578, ts.DiagnosticCategory.Error, "Unused_ts_expect_error_directive_2578", "Unused '@ts-expect-error' directive."),
+        Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashnode: diag(2580, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashno_2580", "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i --save-dev @types/node`."),
+        Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_save_dev_types_Slashjquery: diag(2581, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_save_dev_types_Slash_2581", "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i --save-dev @types/jquery`."),
+        Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_save_dev_types_Slashjest_or_npm_i_save_dev_types_Slashmocha: diag(2582, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_save_dev_type_2582", "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i --save-dev @types/jest` or `npm i --save-dev @types/mocha`."),
+        Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_1_or_later: diag(2583, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_2583", "Cannot find name '{0}'. Do you need to change your target library? Try changing the 'lib' compiler option to '{1}' or later."),
+        Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_include_dom: diag(2584, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_2584", "Cannot find name '{0}'. Do you need to change your target library? Try changing the 'lib' compiler option to include 'dom'."),
+        _0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_es2015_or_later: diag(2585, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Do_you_need_to_change_your_target_library_2585", "'{0}' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later."),
+        Cannot_assign_to_0_because_it_is_a_constant: diag(2588, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_constant_2588", "Cannot assign to '{0}' because it is a constant."),
+        Type_instantiation_is_excessively_deep_and_possibly_infinite: diag(2589, ts.DiagnosticCategory.Error, "Type_instantiation_is_excessively_deep_and_possibly_infinite_2589", "Type instantiation is excessively deep and possibly infinite."),
+        Expression_produces_a_union_type_that_is_too_complex_to_represent: diag(2590, ts.DiagnosticCategory.Error, "Expression_produces_a_union_type_that_is_too_complex_to_represent_2590", "Expression produces a union type that is too complex to represent."),
+        Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig: diag(2591, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashno_2591", "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i --save-dev @types/node` and then add 'node' to the types field in your tsconfig."),
+        Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_save_dev_types_Slashjquery_and_then_add_jquery_to_the_types_field_in_your_tsconfig: diag(2592, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_save_dev_types_Slash_2592", "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i --save-dev @types/jquery` and then add 'jquery' to the types field in your tsconfig."),
+        Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_save_dev_types_Slashjest_or_npm_i_save_dev_types_Slashmocha_and_then_add_jest_or_mocha_to_the_types_field_in_your_tsconfig: diag(2593, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_save_dev_type_2593", "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i --save-dev @types/jest` or `npm i --save-dev @types/mocha` and then add 'jest' or 'mocha' to the types field in your tsconfig."),
+        This_module_is_declared_with_using_export_and_can_only_be_used_with_a_default_import_when_using_the_0_flag: diag(2594, ts.DiagnosticCategory.Error, "This_module_is_declared_with_using_export_and_can_only_be_used_with_a_default_import_when_using_the__2594", "This module is declared with using 'export =', and can only be used with a default import when using the '{0}' flag."),
+        _0_can_only_be_imported_by_using_a_default_import: diag(2595, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_a_default_import_2595", "'{0}' can only be imported by using a default import."),
+        _0_can_only_be_imported_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import: diag(2596, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import_2596", "'{0}' can only be imported by turning on the 'esModuleInterop' flag and using a default import."),
+        _0_can_only_be_imported_by_using_a_require_call_or_by_using_a_default_import: diag(2597, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_a_require_call_or_by_using_a_default_import_2597", "'{0}' can only be imported by using a 'require' call or by using a default import."),
+        _0_can_only_be_imported_by_using_a_require_call_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import: diag(2598, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_a_require_call_or_by_turning_on_the_esModuleInterop_flag_and_using__2598", "'{0}' can only be imported by using a 'require' call or by turning on the 'esModuleInterop' flag and using a default import."),
+        JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: diag(2602, ts.DiagnosticCategory.Error, "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist."),
+        Property_0_in_type_1_is_not_assignable_to_type_2: diag(2603, ts.DiagnosticCategory.Error, "Property_0_in_type_1_is_not_assignable_to_type_2_2603", "Property '{0}' in type '{1}' is not assignable to type '{2}'."),
+        JSX_element_type_0_does_not_have_any_construct_or_call_signatures: diag(2604, ts.DiagnosticCategory.Error, "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", "JSX element type '{0}' does not have any construct or call signatures."),
+        Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: diag(2606, ts.DiagnosticCategory.Error, "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", "Property '{0}' of JSX spread attribute is not assignable to target property."),
+        JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: diag(2607, ts.DiagnosticCategory.Error, "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", "JSX element class does not support attributes because it does not have a '{0}' property."),
+        The_global_type_JSX_0_may_not_have_more_than_one_property: diag(2608, ts.DiagnosticCategory.Error, "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", "The global type 'JSX.{0}' may not have more than one property."),
+        JSX_spread_child_must_be_an_array_type: diag(2609, ts.DiagnosticCategory.Error, "JSX_spread_child_must_be_an_array_type_2609", "JSX spread child must be an array type."),
+        _0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property: diag(2610, ts.DiagnosticCategory.Error, "_0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property_2610", "'{0}' is defined as an accessor in class '{1}', but is overridden here in '{2}' as an instance property."),
+        _0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor: diag(2611, ts.DiagnosticCategory.Error, "_0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor_2611", "'{0}' is defined as a property in class '{1}', but is overridden here in '{2}' as an accessor."),
+        Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_add_a_declare_modifier_or_remove_the_redundant_declaration: diag(2612, ts.DiagnosticCategory.Error, "Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_2612", "Property '{0}' will overwrite the base property in '{1}'. If this is intentional, add an initializer. Otherwise, add a 'declare' modifier or remove the redundant declaration."),
+        Module_0_has_no_default_export_Did_you_mean_to_use_import_1_from_0_instead: diag(2613, ts.DiagnosticCategory.Error, "Module_0_has_no_default_export_Did_you_mean_to_use_import_1_from_0_instead_2613", "Module '{0}' has no default export. Did you mean to use 'import { {1} } from {0}' instead?"),
+        Module_0_has_no_exported_member_1_Did_you_mean_to_use_import_1_from_0_instead: diag(2614, ts.DiagnosticCategory.Error, "Module_0_has_no_exported_member_1_Did_you_mean_to_use_import_1_from_0_instead_2614", "Module '{0}' has no exported member '{1}'. Did you mean to use 'import {1} from {0}' instead?"),
+        Type_of_property_0_circularly_references_itself_in_mapped_type_1: diag(2615, ts.DiagnosticCategory.Error, "Type_of_property_0_circularly_references_itself_in_mapped_type_1_2615", "Type of property '{0}' circularly references itself in mapped type '{1}'."),
+        _0_can_only_be_imported_by_using_import_1_require_2_or_a_default_import: diag(2616, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_import_1_require_2_or_a_default_import_2616", "'{0}' can only be imported by using 'import {1} = require({2})' or a default import."),
+        _0_can_only_be_imported_by_using_import_1_require_2_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import: diag(2617, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_import_1_require_2_or_by_turning_on_the_esModuleInterop_flag_and_us_2617", "'{0}' can only be imported by using 'import {1} = require({2})' or by turning on the 'esModuleInterop' flag and using a default import."),
+        Source_has_0_element_s_but_target_requires_1: diag(2618, ts.DiagnosticCategory.Error, "Source_has_0_element_s_but_target_requires_1_2618", "Source has {0} element(s) but target requires {1}."),
+        Source_has_0_element_s_but_target_allows_only_1: diag(2619, ts.DiagnosticCategory.Error, "Source_has_0_element_s_but_target_allows_only_1_2619", "Source has {0} element(s) but target allows only {1}."),
+        Target_requires_0_element_s_but_source_may_have_fewer: diag(2620, ts.DiagnosticCategory.Error, "Target_requires_0_element_s_but_source_may_have_fewer_2620", "Target requires {0} element(s) but source may have fewer."),
+        Target_allows_only_0_element_s_but_source_may_have_more: diag(2621, ts.DiagnosticCategory.Error, "Target_allows_only_0_element_s_but_source_may_have_more_2621", "Target allows only {0} element(s) but source may have more."),
+        Source_provides_no_match_for_required_element_at_position_0_in_target: diag(2623, ts.DiagnosticCategory.Error, "Source_provides_no_match_for_required_element_at_position_0_in_target_2623", "Source provides no match for required element at position {0} in target."),
+        Source_provides_no_match_for_variadic_element_at_position_0_in_target: diag(2624, ts.DiagnosticCategory.Error, "Source_provides_no_match_for_variadic_element_at_position_0_in_target_2624", "Source provides no match for variadic element at position {0} in target."),
+        Variadic_element_at_position_0_in_source_does_not_match_element_at_position_1_in_target: diag(2625, ts.DiagnosticCategory.Error, "Variadic_element_at_position_0_in_source_does_not_match_element_at_position_1_in_target_2625", "Variadic element at position {0} in source does not match element at position {1} in target."),
+        Type_at_position_0_in_source_is_not_compatible_with_type_at_position_1_in_target: diag(2626, ts.DiagnosticCategory.Error, "Type_at_position_0_in_source_is_not_compatible_with_type_at_position_1_in_target_2626", "Type at position {0} in source is not compatible with type at position {1} in target."),
+        Type_at_positions_0_through_1_in_source_is_not_compatible_with_type_at_position_2_in_target: diag(2627, ts.DiagnosticCategory.Error, "Type_at_positions_0_through_1_in_source_is_not_compatible_with_type_at_position_2_in_target_2627", "Type at positions {0} through {1} in source is not compatible with type at position {2} in target."),
+        Cannot_assign_to_0_because_it_is_an_enum: diag(2628, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_an_enum_2628", "Cannot assign to '{0}' because it is an enum."),
+        Cannot_assign_to_0_because_it_is_a_class: diag(2629, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_class_2629", "Cannot assign to '{0}' because it is a class."),
+        Cannot_assign_to_0_because_it_is_a_function: diag(2630, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_function_2630", "Cannot assign to '{0}' because it is a function."),
+        Cannot_assign_to_0_because_it_is_a_namespace: diag(2631, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_namespace_2631", "Cannot assign to '{0}' because it is a namespace."),
+        Cannot_assign_to_0_because_it_is_an_import: diag(2632, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_an_import_2632", "Cannot assign to '{0}' because it is an import."),
+        JSX_property_access_expressions_cannot_include_JSX_namespace_names: diag(2633, ts.DiagnosticCategory.Error, "JSX_property_access_expressions_cannot_include_JSX_namespace_names_2633", "JSX property access expressions cannot include JSX namespace names"),
+        _0_index_signatures_are_incompatible: diag(2634, ts.DiagnosticCategory.Error, "_0_index_signatures_are_incompatible_2634", "'{0}' index signatures are incompatible."),
+        Type_0_has_no_signatures_for_which_the_type_argument_list_is_applicable: diag(2635, ts.DiagnosticCategory.Error, "Type_0_has_no_signatures_for_which_the_type_argument_list_is_applicable_2635", "Type '{0}' has no signatures for which the type argument list is applicable."),
+        Type_0_is_not_assignable_to_type_1_as_implied_by_variance_annotation: diag(2636, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_as_implied_by_variance_annotation_2636", "Type '{0}' is not assignable to type '{1}' as implied by variance annotation."),
+        Variance_annotations_are_only_supported_in_type_aliases_for_object_function_constructor_and_mapped_types: diag(2637, ts.DiagnosticCategory.Error, "Variance_annotations_are_only_supported_in_type_aliases_for_object_function_constructor_and_mapped_t_2637", "Variance annotations are only supported in type aliases for object, function, constructor, and mapped types."),
+        Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity: diag(2649, ts.DiagnosticCategory.Error, "Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity_2649", "Cannot augment module '{0}' with value exports because it resolves to a non-module entity."),
+        A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: diag(2651, ts.DiagnosticCategory.Error, "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums."),
+        Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: diag(2652, ts.DiagnosticCategory.Error, "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead."),
+        Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: diag(2653, ts.DiagnosticCategory.Error, "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'."),
+        JSX_expressions_must_have_one_parent_element: diag(2657, ts.DiagnosticCategory.Error, "JSX_expressions_must_have_one_parent_element_2657", "JSX expressions must have one parent element."),
+        Type_0_provides_no_match_for_the_signature_1: diag(2658, ts.DiagnosticCategory.Error, "Type_0_provides_no_match_for_the_signature_1_2658", "Type '{0}' provides no match for the signature '{1}'."),
+        super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: diag(2659, ts.DiagnosticCategory.Error, "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher."),
+        super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: diag(2660, ts.DiagnosticCategory.Error, "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", "'super' can only be referenced in members of derived classes or object literal expressions."),
+        Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module: diag(2661, ts.DiagnosticCategory.Error, "Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module_2661", "Cannot export '{0}'. Only local declarations can be exported from a module."),
+        Cannot_find_name_0_Did_you_mean_the_static_member_1_0: diag(2662, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?"),
+        Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: diag(2663, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?"),
+        Invalid_module_name_in_augmentation_module_0_cannot_be_found: diag(2664, ts.DiagnosticCategory.Error, "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", "Invalid module name in augmentation, module '{0}' cannot be found."),
+        Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augmented: diag(2665, ts.DiagnosticCategory.Error, "Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augm_2665", "Invalid module name in augmentation. Module '{0}' resolves to an untyped module at '{1}', which cannot be augmented."),
+        Exports_and_export_assignments_are_not_permitted_in_module_augmentations: diag(2666, ts.DiagnosticCategory.Error, "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", "Exports and export assignments are not permitted in module augmentations."),
+        Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: diag(2667, ts.DiagnosticCategory.Error, "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module."),
+        export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: diag(2668, ts.DiagnosticCategory.Error, "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible."),
+        Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: diag(2669, ts.DiagnosticCategory.Error, "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations."),
+        Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: diag(2670, ts.DiagnosticCategory.Error, "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context."),
+        Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: diag(2671, ts.DiagnosticCategory.Error, "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", "Cannot augment module '{0}' because it resolves to a non-module entity."),
+        Cannot_assign_a_0_constructor_type_to_a_1_constructor_type: diag(2672, ts.DiagnosticCategory.Error, "Cannot_assign_a_0_constructor_type_to_a_1_constructor_type_2672", "Cannot assign a '{0}' constructor type to a '{1}' constructor type."),
+        Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration: diag(2673, ts.DiagnosticCategory.Error, "Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration_2673", "Constructor of class '{0}' is private and only accessible within the class declaration."),
+        Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration: diag(2674, ts.DiagnosticCategory.Error, "Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration_2674", "Constructor of class '{0}' is protected and only accessible within the class declaration."),
+        Cannot_extend_a_class_0_Class_constructor_is_marked_as_private: diag(2675, ts.DiagnosticCategory.Error, "Cannot_extend_a_class_0_Class_constructor_is_marked_as_private_2675", "Cannot extend a class '{0}'. Class constructor is marked as private."),
+        Accessors_must_both_be_abstract_or_non_abstract: diag(2676, ts.DiagnosticCategory.Error, "Accessors_must_both_be_abstract_or_non_abstract_2676", "Accessors must both be abstract or non-abstract."),
+        A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type: diag(2677, ts.DiagnosticCategory.Error, "A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type_2677", "A type predicate's type must be assignable to its parameter's type."),
+        Type_0_is_not_comparable_to_type_1: diag(2678, ts.DiagnosticCategory.Error, "Type_0_is_not_comparable_to_type_1_2678", "Type '{0}' is not comparable to type '{1}'."),
+        A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void: diag(2679, ts.DiagnosticCategory.Error, "A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void_2679", "A function that is called with the 'new' keyword cannot have a 'this' type that is 'void'."),
+        A_0_parameter_must_be_the_first_parameter: diag(2680, ts.DiagnosticCategory.Error, "A_0_parameter_must_be_the_first_parameter_2680", "A '{0}' parameter must be the first parameter."),
+        A_constructor_cannot_have_a_this_parameter: diag(2681, ts.DiagnosticCategory.Error, "A_constructor_cannot_have_a_this_parameter_2681", "A constructor cannot have a 'this' parameter."),
+        this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation: diag(2683, ts.DiagnosticCategory.Error, "this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_2683", "'this' implicitly has type 'any' because it does not have a type annotation."),
+        The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1: diag(2684, ts.DiagnosticCategory.Error, "The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1_2684", "The 'this' context of type '{0}' is not assignable to method's 'this' of type '{1}'."),
+        The_this_types_of_each_signature_are_incompatible: diag(2685, ts.DiagnosticCategory.Error, "The_this_types_of_each_signature_are_incompatible_2685", "The 'this' types of each signature are incompatible."),
+        _0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead: diag(2686, ts.DiagnosticCategory.Error, "_0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead_2686", "'{0}' refers to a UMD global, but the current file is a module. Consider adding an import instead."),
+        All_declarations_of_0_must_have_identical_modifiers: diag(2687, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_modifiers_2687", "All declarations of '{0}' must have identical modifiers."),
+        Cannot_find_type_definition_file_for_0: diag(2688, ts.DiagnosticCategory.Error, "Cannot_find_type_definition_file_for_0_2688", "Cannot find type definition file for '{0}'."),
+        Cannot_extend_an_interface_0_Did_you_mean_implements: diag(2689, ts.DiagnosticCategory.Error, "Cannot_extend_an_interface_0_Did_you_mean_implements_2689", "Cannot extend an interface '{0}'. Did you mean 'implements'?"),
+        _0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Did_you_mean_to_use_1_in_0: diag(2690, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Did_you_mean_to_use_1_in_0_2690", "'{0}' only refers to a type, but is being used as a value here. Did you mean to use '{1} in {0}'?"),
+        An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead: diag(2691, ts.DiagnosticCategory.Error, "An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead_2691", "An import path cannot end with a '{0}' extension. Consider importing '{1}' instead."),
+        _0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible: diag(2692, ts.DiagnosticCategory.Error, "_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692", "'{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible."),
+        _0_only_refers_to_a_type_but_is_being_used_as_a_value_here: diag(2693, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_2693", "'{0}' only refers to a type, but is being used as a value here."),
+        Namespace_0_has_no_exported_member_1: diag(2694, ts.DiagnosticCategory.Error, "Namespace_0_has_no_exported_member_1_2694", "Namespace '{0}' has no exported member '{1}'."),
+        Left_side_of_comma_operator_is_unused_and_has_no_side_effects: diag(2695, ts.DiagnosticCategory.Error, "Left_side_of_comma_operator_is_unused_and_has_no_side_effects_2695", "Left side of comma operator is unused and has no side effects.", /*reportsUnnecessary*/ true),
+        The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead: diag(2696, ts.DiagnosticCategory.Error, "The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead_2696", "The 'Object' type is assignable to very few other types. Did you mean to use the 'any' type instead?"),
+        An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: diag(2697, ts.DiagnosticCategory.Error, "An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_in_2697", "An async function or method must return a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your '--lib' option."),
+        Spread_types_may_only_be_created_from_object_types: diag(2698, ts.DiagnosticCategory.Error, "Spread_types_may_only_be_created_from_object_types_2698", "Spread types may only be created from object types."),
+        Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1: diag(2699, ts.DiagnosticCategory.Error, "Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1_2699", "Static property '{0}' conflicts with built-in property 'Function.{0}' of constructor function '{1}'."),
+        Rest_types_may_only_be_created_from_object_types: diag(2700, ts.DiagnosticCategory.Error, "Rest_types_may_only_be_created_from_object_types_2700", "Rest types may only be created from object types."),
+        The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access: diag(2701, ts.DiagnosticCategory.Error, "The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access_2701", "The target of an object rest assignment must be a variable or a property access."),
+        _0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here: diag(2702, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here_2702", "'{0}' only refers to a type, but is being used as a namespace here."),
+        The_operand_of_a_delete_operator_must_be_a_property_reference: diag(2703, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_must_be_a_property_reference_2703", "The operand of a 'delete' operator must be a property reference."),
+        The_operand_of_a_delete_operator_cannot_be_a_read_only_property: diag(2704, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_cannot_be_a_read_only_property_2704", "The operand of a 'delete' operator cannot be a read-only property."),
+        An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: diag(2705, ts.DiagnosticCategory.Error, "An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_de_2705", "An async function or method in ES5/ES3 requires the 'Promise' constructor.  Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your '--lib' option."),
+        Required_type_parameters_may_not_follow_optional_type_parameters: diag(2706, ts.DiagnosticCategory.Error, "Required_type_parameters_may_not_follow_optional_type_parameters_2706", "Required type parameters may not follow optional type parameters."),
+        Generic_type_0_requires_between_1_and_2_type_arguments: diag(2707, ts.DiagnosticCategory.Error, "Generic_type_0_requires_between_1_and_2_type_arguments_2707", "Generic type '{0}' requires between {1} and {2} type arguments."),
+        Cannot_use_namespace_0_as_a_value: diag(2708, ts.DiagnosticCategory.Error, "Cannot_use_namespace_0_as_a_value_2708", "Cannot use namespace '{0}' as a value."),
+        Cannot_use_namespace_0_as_a_type: diag(2709, ts.DiagnosticCategory.Error, "Cannot_use_namespace_0_as_a_type_2709", "Cannot use namespace '{0}' as a type."),
+        _0_are_specified_twice_The_attribute_named_0_will_be_overwritten: diag(2710, ts.DiagnosticCategory.Error, "_0_are_specified_twice_The_attribute_named_0_will_be_overwritten_2710", "'{0}' are specified twice. The attribute named '{0}' will be overwritten."),
+        A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: diag(2711, ts.DiagnosticCategory.Error, "A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES20_2711", "A dynamic import call returns a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your '--lib' option."),
+        A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: diag(2712, ts.DiagnosticCategory.Error, "A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declarat_2712", "A dynamic import call in ES5/ES3 requires the 'Promise' constructor.  Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your '--lib' option."),
+        Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1: diag(2713, ts.DiagnosticCategory.Error, "Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_p_2713", "Cannot access '{0}.{1}' because '{0}' is a type, but not a namespace. Did you mean to retrieve the type of the property '{1}' in '{0}' with '{0}[\"{1}\"]'?"),
+        The_expression_of_an_export_assignment_must_be_an_identifier_or_qualified_name_in_an_ambient_context: diag(2714, ts.DiagnosticCategory.Error, "The_expression_of_an_export_assignment_must_be_an_identifier_or_qualified_name_in_an_ambient_context_2714", "The expression of an export assignment must be an identifier or qualified name in an ambient context."),
+        Abstract_property_0_in_class_1_cannot_be_accessed_in_the_constructor: diag(2715, ts.DiagnosticCategory.Error, "Abstract_property_0_in_class_1_cannot_be_accessed_in_the_constructor_2715", "Abstract property '{0}' in class '{1}' cannot be accessed in the constructor."),
+        Type_parameter_0_has_a_circular_default: diag(2716, ts.DiagnosticCategory.Error, "Type_parameter_0_has_a_circular_default_2716", "Type parameter '{0}' has a circular default."),
+        Subsequent_property_declarations_must_have_the_same_type_Property_0_must_be_of_type_1_but_here_has_type_2: diag(2717, ts.DiagnosticCategory.Error, "Subsequent_property_declarations_must_have_the_same_type_Property_0_must_be_of_type_1_but_here_has_t_2717", "Subsequent property declarations must have the same type.  Property '{0}' must be of type '{1}', but here has type '{2}'."),
+        Duplicate_property_0: diag(2718, ts.DiagnosticCategory.Error, "Duplicate_property_0_2718", "Duplicate property '{0}'."),
+        Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated: diag(2719, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated_2719", "Type '{0}' is not assignable to type '{1}'. Two different types with this name exist, but they are unrelated."),
+        Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass: diag(2720, ts.DiagnosticCategory.Error, "Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclas_2720", "Class '{0}' incorrectly implements class '{1}'. Did you mean to extend '{1}' and inherit its members as a subclass?"),
+        Cannot_invoke_an_object_which_is_possibly_null: diag(2721, ts.DiagnosticCategory.Error, "Cannot_invoke_an_object_which_is_possibly_null_2721", "Cannot invoke an object which is possibly 'null'."),
+        Cannot_invoke_an_object_which_is_possibly_undefined: diag(2722, ts.DiagnosticCategory.Error, "Cannot_invoke_an_object_which_is_possibly_undefined_2722", "Cannot invoke an object which is possibly 'undefined'."),
+        Cannot_invoke_an_object_which_is_possibly_null_or_undefined: diag(2723, ts.DiagnosticCategory.Error, "Cannot_invoke_an_object_which_is_possibly_null_or_undefined_2723", "Cannot invoke an object which is possibly 'null' or 'undefined'."),
+        _0_has_no_exported_member_named_1_Did_you_mean_2: diag(2724, ts.DiagnosticCategory.Error, "_0_has_no_exported_member_named_1_Did_you_mean_2_2724", "'{0}' has no exported member named '{1}'. Did you mean '{2}'?"),
+        Class_name_cannot_be_Object_when_targeting_ES5_with_module_0: diag(2725, ts.DiagnosticCategory.Error, "Class_name_cannot_be_Object_when_targeting_ES5_with_module_0_2725", "Class name cannot be 'Object' when targeting ES5 with module {0}."),
+        Cannot_find_lib_definition_for_0: diag(2726, ts.DiagnosticCategory.Error, "Cannot_find_lib_definition_for_0_2726", "Cannot find lib definition for '{0}'."),
+        Cannot_find_lib_definition_for_0_Did_you_mean_1: diag(2727, ts.DiagnosticCategory.Error, "Cannot_find_lib_definition_for_0_Did_you_mean_1_2727", "Cannot find lib definition for '{0}'. Did you mean '{1}'?"),
+        _0_is_declared_here: diag(2728, ts.DiagnosticCategory.Message, "_0_is_declared_here_2728", "'{0}' is declared here."),
+        Property_0_is_used_before_its_initialization: diag(2729, ts.DiagnosticCategory.Error, "Property_0_is_used_before_its_initialization_2729", "Property '{0}' is used before its initialization."),
+        An_arrow_function_cannot_have_a_this_parameter: diag(2730, ts.DiagnosticCategory.Error, "An_arrow_function_cannot_have_a_this_parameter_2730", "An arrow function cannot have a 'this' parameter."),
+        Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_in_String: diag(2731, ts.DiagnosticCategory.Error, "Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_i_2731", "Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'."),
+        Cannot_find_module_0_Consider_using_resolveJsonModule_to_import_module_with_json_extension: diag(2732, ts.DiagnosticCategory.Error, "Cannot_find_module_0_Consider_using_resolveJsonModule_to_import_module_with_json_extension_2732", "Cannot find module '{0}'. Consider using '--resolveJsonModule' to import module with '.json' extension."),
+        Property_0_was_also_declared_here: diag(2733, ts.DiagnosticCategory.Error, "Property_0_was_also_declared_here_2733", "Property '{0}' was also declared here."),
+        Are_you_missing_a_semicolon: diag(2734, ts.DiagnosticCategory.Error, "Are_you_missing_a_semicolon_2734", "Are you missing a semicolon?"),
+        Did_you_mean_for_0_to_be_constrained_to_type_new_args_Colon_any_1: diag(2735, ts.DiagnosticCategory.Error, "Did_you_mean_for_0_to_be_constrained_to_type_new_args_Colon_any_1_2735", "Did you mean for '{0}' to be constrained to type 'new (...args: any[]) => {1}'?"),
+        Operator_0_cannot_be_applied_to_type_1: diag(2736, ts.DiagnosticCategory.Error, "Operator_0_cannot_be_applied_to_type_1_2736", "Operator '{0}' cannot be applied to type '{1}'."),
+        BigInt_literals_are_not_available_when_targeting_lower_than_ES2020: diag(2737, ts.DiagnosticCategory.Error, "BigInt_literals_are_not_available_when_targeting_lower_than_ES2020_2737", "BigInt literals are not available when targeting lower than ES2020."),
+        An_outer_value_of_this_is_shadowed_by_this_container: diag(2738, ts.DiagnosticCategory.Message, "An_outer_value_of_this_is_shadowed_by_this_container_2738", "An outer value of 'this' is shadowed by this container."),
+        Type_0_is_missing_the_following_properties_from_type_1_Colon_2: diag(2739, ts.DiagnosticCategory.Error, "Type_0_is_missing_the_following_properties_from_type_1_Colon_2_2739", "Type '{0}' is missing the following properties from type '{1}': {2}"),
+        Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more: diag(2740, ts.DiagnosticCategory.Error, "Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more_2740", "Type '{0}' is missing the following properties from type '{1}': {2}, and {3} more."),
+        Property_0_is_missing_in_type_1_but_required_in_type_2: diag(2741, ts.DiagnosticCategory.Error, "Property_0_is_missing_in_type_1_but_required_in_type_2_2741", "Property '{0}' is missing in type '{1}' but required in type '{2}'."),
+        The_inferred_type_of_0_cannot_be_named_without_a_reference_to_1_This_is_likely_not_portable_A_type_annotation_is_necessary: diag(2742, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_cannot_be_named_without_a_reference_to_1_This_is_likely_not_portable_A_type_a_2742", "The inferred type of '{0}' cannot be named without a reference to '{1}'. This is likely not portable. A type annotation is necessary."),
+        No_overload_expects_0_type_arguments_but_overloads_do_exist_that_expect_either_1_or_2_type_arguments: diag(2743, ts.DiagnosticCategory.Error, "No_overload_expects_0_type_arguments_but_overloads_do_exist_that_expect_either_1_or_2_type_arguments_2743", "No overload expects {0} type arguments, but overloads do exist that expect either {1} or {2} type arguments."),
+        Type_parameter_defaults_can_only_reference_previously_declared_type_parameters: diag(2744, ts.DiagnosticCategory.Error, "Type_parameter_defaults_can_only_reference_previously_declared_type_parameters_2744", "Type parameter defaults can only reference previously declared type parameters."),
+        This_JSX_tag_s_0_prop_expects_type_1_which_requires_multiple_children_but_only_a_single_child_was_provided: diag(2745, ts.DiagnosticCategory.Error, "This_JSX_tag_s_0_prop_expects_type_1_which_requires_multiple_children_but_only_a_single_child_was_pr_2745", "This JSX tag's '{0}' prop expects type '{1}' which requires multiple children, but only a single child was provided."),
+        This_JSX_tag_s_0_prop_expects_a_single_child_of_type_1_but_multiple_children_were_provided: diag(2746, ts.DiagnosticCategory.Error, "This_JSX_tag_s_0_prop_expects_a_single_child_of_type_1_but_multiple_children_were_provided_2746", "This JSX tag's '{0}' prop expects a single child of type '{1}', but multiple children were provided."),
+        _0_components_don_t_accept_text_as_child_elements_Text_in_JSX_has_the_type_string_but_the_expected_type_of_1_is_2: diag(2747, ts.DiagnosticCategory.Error, "_0_components_don_t_accept_text_as_child_elements_Text_in_JSX_has_the_type_string_but_the_expected_t_2747", "'{0}' components don't accept text as child elements. Text in JSX has the type 'string', but the expected type of '{1}' is '{2}'."),
+        Cannot_access_ambient_const_enums_when_the_isolatedModules_flag_is_provided: diag(2748, ts.DiagnosticCategory.Error, "Cannot_access_ambient_const_enums_when_the_isolatedModules_flag_is_provided_2748", "Cannot access ambient const enums when the '--isolatedModules' flag is provided."),
+        _0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0: diag(2749, ts.DiagnosticCategory.Error, "_0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0_2749", "'{0}' refers to a value, but is being used as a type here. Did you mean 'typeof {0}'?"),
+        The_implementation_signature_is_declared_here: diag(2750, ts.DiagnosticCategory.Error, "The_implementation_signature_is_declared_here_2750", "The implementation signature is declared here."),
+        Circularity_originates_in_type_at_this_location: diag(2751, ts.DiagnosticCategory.Error, "Circularity_originates_in_type_at_this_location_2751", "Circularity originates in type at this location."),
+        The_first_export_default_is_here: diag(2752, ts.DiagnosticCategory.Error, "The_first_export_default_is_here_2752", "The first export default is here."),
+        Another_export_default_is_here: diag(2753, ts.DiagnosticCategory.Error, "Another_export_default_is_here_2753", "Another export default is here."),
+        super_may_not_use_type_arguments: diag(2754, ts.DiagnosticCategory.Error, "super_may_not_use_type_arguments_2754", "'super' may not use type arguments."),
+        No_constituent_of_type_0_is_callable: diag(2755, ts.DiagnosticCategory.Error, "No_constituent_of_type_0_is_callable_2755", "No constituent of type '{0}' is callable."),
+        Not_all_constituents_of_type_0_are_callable: diag(2756, ts.DiagnosticCategory.Error, "Not_all_constituents_of_type_0_are_callable_2756", "Not all constituents of type '{0}' are callable."),
+        Type_0_has_no_call_signatures: diag(2757, ts.DiagnosticCategory.Error, "Type_0_has_no_call_signatures_2757", "Type '{0}' has no call signatures."),
+        Each_member_of_the_union_type_0_has_signatures_but_none_of_those_signatures_are_compatible_with_each_other: diag(2758, ts.DiagnosticCategory.Error, "Each_member_of_the_union_type_0_has_signatures_but_none_of_those_signatures_are_compatible_with_each_2758", "Each member of the union type '{0}' has signatures, but none of those signatures are compatible with each other."),
+        No_constituent_of_type_0_is_constructable: diag(2759, ts.DiagnosticCategory.Error, "No_constituent_of_type_0_is_constructable_2759", "No constituent of type '{0}' is constructable."),
+        Not_all_constituents_of_type_0_are_constructable: diag(2760, ts.DiagnosticCategory.Error, "Not_all_constituents_of_type_0_are_constructable_2760", "Not all constituents of type '{0}' are constructable."),
+        Type_0_has_no_construct_signatures: diag(2761, ts.DiagnosticCategory.Error, "Type_0_has_no_construct_signatures_2761", "Type '{0}' has no construct signatures."),
+        Each_member_of_the_union_type_0_has_construct_signatures_but_none_of_those_signatures_are_compatible_with_each_other: diag(2762, ts.DiagnosticCategory.Error, "Each_member_of_the_union_type_0_has_construct_signatures_but_none_of_those_signatures_are_compatible_2762", "Each member of the union type '{0}' has construct signatures, but none of those signatures are compatible with each other."),
+        Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_for_of_will_always_send_0: diag(2763, ts.DiagnosticCategory.Error, "Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_for_of_will_always_s_2763", "Cannot iterate value because the 'next' method of its iterator expects type '{1}', but for-of will always send '{0}'."),
+        Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_spread_will_always_send_0: diag(2764, ts.DiagnosticCategory.Error, "Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_spread_will_al_2764", "Cannot iterate value because the 'next' method of its iterator expects type '{1}', but array spread will always send '{0}'."),
+        Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_destructuring_will_always_send_0: diag(2765, ts.DiagnosticCategory.Error, "Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_destructuring__2765", "Cannot iterate value because the 'next' method of its iterator expects type '{1}', but array destructuring will always send '{0}'."),
+        Cannot_delegate_iteration_to_value_because_the_next_method_of_its_iterator_expects_type_1_but_the_containing_generator_will_always_send_0: diag(2766, ts.DiagnosticCategory.Error, "Cannot_delegate_iteration_to_value_because_the_next_method_of_its_iterator_expects_type_1_but_the_co_2766", "Cannot delegate iteration to value because the 'next' method of its iterator expects type '{1}', but the containing generator will always send '{0}'."),
+        The_0_property_of_an_iterator_must_be_a_method: diag(2767, ts.DiagnosticCategory.Error, "The_0_property_of_an_iterator_must_be_a_method_2767", "The '{0}' property of an iterator must be a method."),
+        The_0_property_of_an_async_iterator_must_be_a_method: diag(2768, ts.DiagnosticCategory.Error, "The_0_property_of_an_async_iterator_must_be_a_method_2768", "The '{0}' property of an async iterator must be a method."),
+        No_overload_matches_this_call: diag(2769, ts.DiagnosticCategory.Error, "No_overload_matches_this_call_2769", "No overload matches this call."),
+        The_last_overload_gave_the_following_error: diag(2770, ts.DiagnosticCategory.Error, "The_last_overload_gave_the_following_error_2770", "The last overload gave the following error."),
+        The_last_overload_is_declared_here: diag(2771, ts.DiagnosticCategory.Error, "The_last_overload_is_declared_here_2771", "The last overload is declared here."),
+        Overload_0_of_1_2_gave_the_following_error: diag(2772, ts.DiagnosticCategory.Error, "Overload_0_of_1_2_gave_the_following_error_2772", "Overload {0} of {1}, '{2}', gave the following error."),
+        Did_you_forget_to_use_await: diag(2773, ts.DiagnosticCategory.Error, "Did_you_forget_to_use_await_2773", "Did you forget to use 'await'?"),
+        This_condition_will_always_return_true_since_this_function_is_always_defined_Did_you_mean_to_call_it_instead: diag(2774, ts.DiagnosticCategory.Error, "This_condition_will_always_return_true_since_this_function_is_always_defined_Did_you_mean_to_call_it_2774", "This condition will always return true since this function is always defined. Did you mean to call it instead?"),
+        Assertions_require_every_name_in_the_call_target_to_be_declared_with_an_explicit_type_annotation: diag(2775, ts.DiagnosticCategory.Error, "Assertions_require_every_name_in_the_call_target_to_be_declared_with_an_explicit_type_annotation_2775", "Assertions require every name in the call target to be declared with an explicit type annotation."),
+        Assertions_require_the_call_target_to_be_an_identifier_or_qualified_name: diag(2776, ts.DiagnosticCategory.Error, "Assertions_require_the_call_target_to_be_an_identifier_or_qualified_name_2776", "Assertions require the call target to be an identifier or qualified name."),
+        The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access: diag(2777, ts.DiagnosticCategory.Error, "The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access_2777", "The operand of an increment or decrement operator may not be an optional property access."),
+        The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access: diag(2778, ts.DiagnosticCategory.Error, "The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access_2778", "The target of an object rest assignment may not be an optional property access."),
+        The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access: diag(2779, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access_2779", "The left-hand side of an assignment expression may not be an optional property access."),
+        The_left_hand_side_of_a_for_in_statement_may_not_be_an_optional_property_access: diag(2780, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_may_not_be_an_optional_property_access_2780", "The left-hand side of a 'for...in' statement may not be an optional property access."),
+        The_left_hand_side_of_a_for_of_statement_may_not_be_an_optional_property_access: diag(2781, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_may_not_be_an_optional_property_access_2781", "The left-hand side of a 'for...of' statement may not be an optional property access."),
+        _0_needs_an_explicit_type_annotation: diag(2782, ts.DiagnosticCategory.Message, "_0_needs_an_explicit_type_annotation_2782", "'{0}' needs an explicit type annotation."),
+        _0_is_specified_more_than_once_so_this_usage_will_be_overwritten: diag(2783, ts.DiagnosticCategory.Error, "_0_is_specified_more_than_once_so_this_usage_will_be_overwritten_2783", "'{0}' is specified more than once, so this usage will be overwritten."),
+        get_and_set_accessors_cannot_declare_this_parameters: diag(2784, ts.DiagnosticCategory.Error, "get_and_set_accessors_cannot_declare_this_parameters_2784", "'get' and 'set' accessors cannot declare 'this' parameters."),
+        This_spread_always_overwrites_this_property: diag(2785, ts.DiagnosticCategory.Error, "This_spread_always_overwrites_this_property_2785", "This spread always overwrites this property."),
+        _0_cannot_be_used_as_a_JSX_component: diag(2786, ts.DiagnosticCategory.Error, "_0_cannot_be_used_as_a_JSX_component_2786", "'{0}' cannot be used as a JSX component."),
+        Its_return_type_0_is_not_a_valid_JSX_element: diag(2787, ts.DiagnosticCategory.Error, "Its_return_type_0_is_not_a_valid_JSX_element_2787", "Its return type '{0}' is not a valid JSX element."),
+        Its_instance_type_0_is_not_a_valid_JSX_element: diag(2788, ts.DiagnosticCategory.Error, "Its_instance_type_0_is_not_a_valid_JSX_element_2788", "Its instance type '{0}' is not a valid JSX element."),
+        Its_element_type_0_is_not_a_valid_JSX_element: diag(2789, ts.DiagnosticCategory.Error, "Its_element_type_0_is_not_a_valid_JSX_element_2789", "Its element type '{0}' is not a valid JSX element."),
+        The_operand_of_a_delete_operator_must_be_optional: diag(2790, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_must_be_optional_2790", "The operand of a 'delete' operator must be optional."),
+        Exponentiation_cannot_be_performed_on_bigint_values_unless_the_target_option_is_set_to_es2016_or_later: diag(2791, ts.DiagnosticCategory.Error, "Exponentiation_cannot_be_performed_on_bigint_values_unless_the_target_option_is_set_to_es2016_or_lat_2791", "Exponentiation cannot be performed on 'bigint' values unless the 'target' option is set to 'es2016' or later."),
+        Cannot_find_module_0_Did_you_mean_to_set_the_moduleResolution_option_to_node_or_to_add_aliases_to_the_paths_option: diag(2792, ts.DiagnosticCategory.Error, "Cannot_find_module_0_Did_you_mean_to_set_the_moduleResolution_option_to_node_or_to_add_aliases_to_th_2792", "Cannot find module '{0}'. Did you mean to set the 'moduleResolution' option to 'node', or to add aliases to the 'paths' option?"),
+        The_call_would_have_succeeded_against_this_implementation_but_implementation_signatures_of_overloads_are_not_externally_visible: diag(2793, ts.DiagnosticCategory.Error, "The_call_would_have_succeeded_against_this_implementation_but_implementation_signatures_of_overloads_2793", "The call would have succeeded against this implementation, but implementation signatures of overloads are not externally visible."),
+        Expected_0_arguments_but_got_1_Did_you_forget_to_include_void_in_your_type_argument_to_Promise: diag(2794, ts.DiagnosticCategory.Error, "Expected_0_arguments_but_got_1_Did_you_forget_to_include_void_in_your_type_argument_to_Promise_2794", "Expected {0} arguments, but got {1}. Did you forget to include 'void' in your type argument to 'Promise'?"),
+        The_intrinsic_keyword_can_only_be_used_to_declare_compiler_provided_intrinsic_types: diag(2795, ts.DiagnosticCategory.Error, "The_intrinsic_keyword_can_only_be_used_to_declare_compiler_provided_intrinsic_types_2795", "The 'intrinsic' keyword can only be used to declare compiler provided intrinsic types."),
+        It_is_likely_that_you_are_missing_a_comma_to_separate_these_two_template_expressions_They_form_a_tagged_template_expression_which_cannot_be_invoked: diag(2796, ts.DiagnosticCategory.Error, "It_is_likely_that_you_are_missing_a_comma_to_separate_these_two_template_expressions_They_form_a_tag_2796", "It is likely that you are missing a comma to separate these two template expressions. They form a tagged template expression which cannot be invoked."),
+        A_mixin_class_that_extends_from_a_type_variable_containing_an_abstract_construct_signature_must_also_be_declared_abstract: diag(2797, ts.DiagnosticCategory.Error, "A_mixin_class_that_extends_from_a_type_variable_containing_an_abstract_construct_signature_must_also_2797", "A mixin class that extends from a type variable containing an abstract construct signature must also be declared 'abstract'."),
+        The_declaration_was_marked_as_deprecated_here: diag(2798, ts.DiagnosticCategory.Error, "The_declaration_was_marked_as_deprecated_here_2798", "The declaration was marked as deprecated here."),
+        Type_produces_a_tuple_type_that_is_too_large_to_represent: diag(2799, ts.DiagnosticCategory.Error, "Type_produces_a_tuple_type_that_is_too_large_to_represent_2799", "Type produces a tuple type that is too large to represent."),
+        Expression_produces_a_tuple_type_that_is_too_large_to_represent: diag(2800, ts.DiagnosticCategory.Error, "Expression_produces_a_tuple_type_that_is_too_large_to_represent_2800", "Expression produces a tuple type that is too large to represent."),
+        This_condition_will_always_return_true_since_this_0_is_always_defined: diag(2801, ts.DiagnosticCategory.Error, "This_condition_will_always_return_true_since_this_0_is_always_defined_2801", "This condition will always return true since this '{0}' is always defined."),
+        Type_0_can_only_be_iterated_through_when_using_the_downlevelIteration_flag_or_with_a_target_of_es2015_or_higher: diag(2802, ts.DiagnosticCategory.Error, "Type_0_can_only_be_iterated_through_when_using_the_downlevelIteration_flag_or_with_a_target_of_es201_2802", "Type '{0}' can only be iterated through when using the '--downlevelIteration' flag or with a '--target' of 'es2015' or higher."),
+        Cannot_assign_to_private_method_0_Private_methods_are_not_writable: diag(2803, ts.DiagnosticCategory.Error, "Cannot_assign_to_private_method_0_Private_methods_are_not_writable_2803", "Cannot assign to private method '{0}'. Private methods are not writable."),
+        Duplicate_identifier_0_Static_and_instance_elements_cannot_share_the_same_private_name: diag(2804, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Static_and_instance_elements_cannot_share_the_same_private_name_2804", "Duplicate identifier '{0}'. Static and instance elements cannot share the same private name."),
+        Private_accessor_was_defined_without_a_getter: diag(2806, ts.DiagnosticCategory.Error, "Private_accessor_was_defined_without_a_getter_2806", "Private accessor was defined without a getter."),
+        This_syntax_requires_an_imported_helper_named_1_with_2_parameters_which_is_not_compatible_with_the_one_in_0_Consider_upgrading_your_version_of_0: diag(2807, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_named_1_with_2_parameters_which_is_not_compatible_with_the_o_2807", "This syntax requires an imported helper named '{1}' with {2} parameters, which is not compatible with the one in '{0}'. Consider upgrading your version of '{0}'."),
+        A_get_accessor_must_be_at_least_as_accessible_as_the_setter: diag(2808, ts.DiagnosticCategory.Error, "A_get_accessor_must_be_at_least_as_accessible_as_the_setter_2808", "A get accessor must be at least as accessible as the setter"),
+        Declaration_or_statement_expected_This_follows_a_block_of_statements_so_if_you_intended_to_write_a_destructuring_assignment_you_might_need_to_wrap_the_the_whole_assignment_in_parentheses: diag(2809, ts.DiagnosticCategory.Error, "Declaration_or_statement_expected_This_follows_a_block_of_statements_so_if_you_intended_to_write_a_d_2809", "Declaration or statement expected. This '=' follows a block of statements, so if you intended to write a destructuring assignment, you might need to wrap the the whole assignment in parentheses."),
+        Expected_1_argument_but_got_0_new_Promise_needs_a_JSDoc_hint_to_produce_a_resolve_that_can_be_called_without_arguments: diag(2810, ts.DiagnosticCategory.Error, "Expected_1_argument_but_got_0_new_Promise_needs_a_JSDoc_hint_to_produce_a_resolve_that_can_be_called_2810", "Expected 1 argument, but got 0. 'new Promise()' needs a JSDoc hint to produce a 'resolve' that can be called without arguments."),
+        Initializer_for_property_0: diag(2811, ts.DiagnosticCategory.Error, "Initializer_for_property_0_2811", "Initializer for property '{0}'"),
+        Property_0_does_not_exist_on_type_1_Try_changing_the_lib_compiler_option_to_include_dom: diag(2812, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_Try_changing_the_lib_compiler_option_to_include_dom_2812", "Property '{0}' does not exist on type '{1}'. Try changing the 'lib' compiler option to include 'dom'."),
+        Class_declaration_cannot_implement_overload_list_for_0: diag(2813, ts.DiagnosticCategory.Error, "Class_declaration_cannot_implement_overload_list_for_0_2813", "Class declaration cannot implement overload list for '{0}'."),
+        Function_with_bodies_can_only_merge_with_classes_that_are_ambient: diag(2814, ts.DiagnosticCategory.Error, "Function_with_bodies_can_only_merge_with_classes_that_are_ambient_2814", "Function with bodies can only merge with classes that are ambient."),
+        arguments_cannot_be_referenced_in_property_initializers: diag(2815, ts.DiagnosticCategory.Error, "arguments_cannot_be_referenced_in_property_initializers_2815", "'arguments' cannot be referenced in property initializers."),
+        Cannot_use_this_in_a_static_property_initializer_of_a_decorated_class: diag(2816, ts.DiagnosticCategory.Error, "Cannot_use_this_in_a_static_property_initializer_of_a_decorated_class_2816", "Cannot use 'this' in a static property initializer of a decorated class."),
+        Property_0_has_no_initializer_and_is_not_definitely_assigned_in_a_class_static_block: diag(2817, ts.DiagnosticCategory.Error, "Property_0_has_no_initializer_and_is_not_definitely_assigned_in_a_class_static_block_2817", "Property '{0}' has no initializer and is not definitely assigned in a class static block."),
+        Duplicate_identifier_0_Compiler_reserves_name_1_when_emitting_super_references_in_static_initializers: diag(2818, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_when_emitting_super_references_in_static_initializer_2818", "Duplicate identifier '{0}'. Compiler reserves name '{1}' when emitting 'super' references in static initializers."),
+        Namespace_name_cannot_be_0: diag(2819, ts.DiagnosticCategory.Error, "Namespace_name_cannot_be_0_2819", "Namespace name cannot be '{0}'."),
+        Type_0_is_not_assignable_to_type_1_Did_you_mean_2: diag(2820, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_Did_you_mean_2_2820", "Type '{0}' is not assignable to type '{1}'. Did you mean '{2}'?"),
+        Import_assertions_are_only_supported_when_the_module_option_is_set_to_esnext_or_nodenext: diag(2821, ts.DiagnosticCategory.Error, "Import_assertions_are_only_supported_when_the_module_option_is_set_to_esnext_or_nodenext_2821", "Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'."),
+        Import_assertions_cannot_be_used_with_type_only_imports_or_exports: diag(2822, ts.DiagnosticCategory.Error, "Import_assertions_cannot_be_used_with_type_only_imports_or_exports_2822", "Import assertions cannot be used with type-only imports or exports."),
+        Cannot_find_namespace_0_Did_you_mean_1: diag(2833, ts.DiagnosticCategory.Error, "Cannot_find_namespace_0_Did_you_mean_1_2833", "Cannot find namespace '{0}'. Did you mean '{1}'?"),
+        Relative_import_paths_need_explicit_file_extensions_in_EcmaScript_imports_when_moduleResolution_is_node16_or_nodenext_Consider_adding_an_extension_to_the_import_path: diag(2834, ts.DiagnosticCategory.Error, "Relative_import_paths_need_explicit_file_extensions_in_EcmaScript_imports_when_moduleResolution_is_n_2834", "Relative import paths need explicit file extensions in EcmaScript imports when '--moduleResolution' is 'node16' or 'nodenext'. Consider adding an extension to the import path."),
+        Relative_import_paths_need_explicit_file_extensions_in_EcmaScript_imports_when_moduleResolution_is_node16_or_nodenext_Did_you_mean_0: diag(2835, ts.DiagnosticCategory.Error, "Relative_import_paths_need_explicit_file_extensions_in_EcmaScript_imports_when_moduleResolution_is_n_2835", "Relative import paths need explicit file extensions in EcmaScript imports when '--moduleResolution' is 'node16' or 'nodenext'. Did you mean '{0}'?"),
+        Import_assertions_are_not_allowed_on_statements_that_transpile_to_commonjs_require_calls: diag(2836, ts.DiagnosticCategory.Error, "Import_assertions_are_not_allowed_on_statements_that_transpile_to_commonjs_require_calls_2836", "Import assertions are not allowed on statements that transpile to commonjs 'require' calls."),
+        Import_assertion_values_must_be_string_literal_expressions: diag(2837, ts.DiagnosticCategory.Error, "Import_assertion_values_must_be_string_literal_expressions_2837", "Import assertion values must be string literal expressions."),
+        All_declarations_of_0_must_have_identical_constraints: diag(2838, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_constraints_2838", "All declarations of '{0}' must have identical constraints."),
+        The_type_of_this_expression_cannot_be_named_without_a_resolution_mode_assertion_which_is_an_unstable_feature_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next: diag(2841, ts.DiagnosticCategory.Error, "The_type_of_this_expression_cannot_be_named_without_a_resolution_mode_assertion_which_is_an_unstable_2841", "The type of this expression cannot be named without a 'resolution-mode' assertion, which is an unstable feature. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'."),
+        Import_declaration_0_is_using_private_name_1: diag(4000, ts.DiagnosticCategory.Error, "Import_declaration_0_is_using_private_name_1_4000", "Import declaration '{0}' is using private name '{1}'."),
+        Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: diag(4002, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", "Type parameter '{0}' of exported class has or is using private name '{1}'."),
+        Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: diag(4004, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", "Type parameter '{0}' of exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4006, ts.DiagnosticCategory.Error, "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4008, ts.DiagnosticCategory.Error, "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: diag(4010, ts.DiagnosticCategory.Error, "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'."),
+        Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: diag(4012, ts.DiagnosticCategory.Error, "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", "Type parameter '{0}' of public method from exported class has or is using private name '{1}'."),
+        Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: diag(4014, ts.DiagnosticCategory.Error, "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", "Type parameter '{0}' of method from exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: diag(4016, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", "Type parameter '{0}' of exported function has or is using private name '{1}'."),
+        Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: diag(4019, ts.DiagnosticCategory.Error, "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", "Implements clause of exported class '{0}' has or is using private name '{1}'."),
+        extends_clause_of_exported_class_0_has_or_is_using_private_name_1: diag(4020, ts.DiagnosticCategory.Error, "extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", "'extends' clause of exported class '{0}' has or is using private name '{1}'."),
+        extends_clause_of_exported_class_has_or_is_using_private_name_0: diag(4021, ts.DiagnosticCategory.Error, "extends_clause_of_exported_class_has_or_is_using_private_name_0_4021", "'extends' clause of exported class has or is using private name '{0}'."),
+        extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: diag(4022, ts.DiagnosticCategory.Error, "extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", "'extends' clause of exported interface '{0}' has or is using private name '{1}'."),
+        Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4023, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named."),
+        Exported_variable_0_has_or_is_using_name_1_from_private_module_2: diag(4024, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", "Exported variable '{0}' has or is using name '{1}' from private module '{2}'."),
+        Exported_variable_0_has_or_is_using_private_name_1: diag(4025, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_private_name_1_4025", "Exported variable '{0}' has or is using private name '{1}'."),
+        Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4026, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4027, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
+        Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: diag(4028, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", "Public static property '{0}' of exported class has or is using private name '{1}'."),
+        Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4029, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4030, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
+        Public_property_0_of_exported_class_has_or_is_using_private_name_1: diag(4031, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", "Public property '{0}' of exported class has or is using private name '{1}'."),
+        Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4032, ts.DiagnosticCategory.Error, "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'."),
+        Property_0_of_exported_interface_has_or_is_using_private_name_1: diag(4033, ts.DiagnosticCategory.Error, "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", "Property '{0}' of exported interface has or is using private name '{1}'."),
+        Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4034, ts.DiagnosticCategory.Error, "Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_name_1_from_private_mod_4034", "Parameter type of public static setter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_private_name_1: diag(4035, ts.DiagnosticCategory.Error, "Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_private_name_1_4035", "Parameter type of public static setter '{0}' from exported class has or is using private name '{1}'."),
+        Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4036, ts.DiagnosticCategory.Error, "Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2_4036", "Parameter type of public setter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_private_name_1: diag(4037, ts.DiagnosticCategory.Error, "Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_private_name_1_4037", "Parameter type of public setter '{0}' from exported class has or is using private name '{1}'."),
+        Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4038, ts.DiagnosticCategory.Error, "Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_external_modul_4038", "Return type of public static getter '{0}' from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4039, ts.DiagnosticCategory.Error, "Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_4039", "Return type of public static getter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
+        Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_private_name_1: diag(4040, ts.DiagnosticCategory.Error, "Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_private_name_1_4040", "Return type of public static getter '{0}' from exported class has or is using private name '{1}'."),
+        Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4041, ts.DiagnosticCategory.Error, "Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_4041", "Return type of public getter '{0}' from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4042, ts.DiagnosticCategory.Error, "Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2_4042", "Return type of public getter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
+        Return_type_of_public_getter_0_from_exported_class_has_or_is_using_private_name_1: diag(4043, ts.DiagnosticCategory.Error, "Return_type_of_public_getter_0_from_exported_class_has_or_is_using_private_name_1_4043", "Return type of public getter '{0}' from exported class has or is using private name '{1}'."),
+        Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4044, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4045, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", "Return type of constructor signature from exported interface has or is using private name '{0}'."),
+        Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4046, ts.DiagnosticCategory.Error, "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4047, ts.DiagnosticCategory.Error, "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", "Return type of call signature from exported interface has or is using private name '{0}'."),
+        Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4048, ts.DiagnosticCategory.Error, "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4049, ts.DiagnosticCategory.Error, "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", "Return type of index signature from exported interface has or is using private name '{0}'."),
+        Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4050, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4051, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: diag(4052, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", "Return type of public static method from exported class has or is using private name '{0}'."),
+        Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4053, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4054, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", "Return type of public method from exported class has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: diag(4055, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", "Return type of public method from exported class has or is using private name '{0}'."),
+        Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4056, ts.DiagnosticCategory.Error, "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", "Return type of method from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: diag(4057, ts.DiagnosticCategory.Error, "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", "Return type of method from exported interface has or is using private name '{0}'."),
+        Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4058, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: diag(4059, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", "Return type of exported function has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_exported_function_has_or_is_using_private_name_0: diag(4060, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", "Return type of exported function has or is using private name '{0}'."),
+        Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4061, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4062, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: diag(4063, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", "Parameter '{0}' of constructor from exported class has or is using private name '{1}'."),
+        Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4064, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4065, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."),
+        Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4066, ts.DiagnosticCategory.Error, "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4067, ts.DiagnosticCategory.Error, "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'."),
+        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4068, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4069, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: diag(4070, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", "Parameter '{0}' of public static method from exported class has or is using private name '{1}'."),
+        Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4071, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4072, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: diag(4073, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", "Parameter '{0}' of public method from exported class has or is using private name '{1}'."),
+        Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4074, ts.DiagnosticCategory.Error, "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: diag(4075, ts.DiagnosticCategory.Error, "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", "Parameter '{0}' of method from exported interface has or is using private name '{1}'."),
+        Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4076, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: diag(4077, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_exported_function_has_or_is_using_private_name_1: diag(4078, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", "Parameter '{0}' of exported function has or is using private name '{1}'."),
+        Exported_type_alias_0_has_or_is_using_private_name_1: diag(4081, ts.DiagnosticCategory.Error, "Exported_type_alias_0_has_or_is_using_private_name_1_4081", "Exported type alias '{0}' has or is using private name '{1}'."),
+        Default_export_of_the_module_has_or_is_using_private_name_0: diag(4082, ts.DiagnosticCategory.Error, "Default_export_of_the_module_has_or_is_using_private_name_0_4082", "Default export of the module has or is using private name '{0}'."),
+        Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1: diag(4083, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1_4083", "Type parameter '{0}' of exported type alias has or is using private name '{1}'."),
+        Exported_type_alias_0_has_or_is_using_private_name_1_from_module_2: diag(4084, ts.DiagnosticCategory.Error, "Exported_type_alias_0_has_or_is_using_private_name_1_from_module_2_4084", "Exported type alias '{0}' has or is using private name '{1}' from module {2}."),
+        Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict: diag(4090, ts.DiagnosticCategory.Error, "Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_librar_4090", "Conflicting definitions for '{0}' found at '{1}' and '{2}'. Consider installing a specific version of this library to resolve the conflict."),
+        Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4091, ts.DiagnosticCategory.Error, "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4091", "Parameter '{0}' of index signature from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4092, ts.DiagnosticCategory.Error, "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1_4092", "Parameter '{0}' of index signature from exported interface has or is using private name '{1}'."),
+        Property_0_of_exported_class_expression_may_not_be_private_or_protected: diag(4094, ts.DiagnosticCategory.Error, "Property_0_of_exported_class_expression_may_not_be_private_or_protected_4094", "Property '{0}' of exported class expression may not be private or protected."),
+        Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4095, ts.DiagnosticCategory.Error, "Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095", "Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4096, ts.DiagnosticCategory.Error, "Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096", "Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
+        Public_static_method_0_of_exported_class_has_or_is_using_private_name_1: diag(4097, ts.DiagnosticCategory.Error, "Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097", "Public static method '{0}' of exported class has or is using private name '{1}'."),
+        Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4098, ts.DiagnosticCategory.Error, "Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098", "Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4099, ts.DiagnosticCategory.Error, "Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099", "Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
+        Public_method_0_of_exported_class_has_or_is_using_private_name_1: diag(4100, ts.DiagnosticCategory.Error, "Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100", "Public method '{0}' of exported class has or is using private name '{1}'."),
+        Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4101, ts.DiagnosticCategory.Error, "Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101", "Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'."),
+        Method_0_of_exported_interface_has_or_is_using_private_name_1: diag(4102, ts.DiagnosticCategory.Error, "Method_0_of_exported_interface_has_or_is_using_private_name_1_4102", "Method '{0}' of exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_exported_mapped_object_type_is_using_private_name_1: diag(4103, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_mapped_object_type_is_using_private_name_1_4103", "Type parameter '{0}' of exported mapped object type is using private name '{1}'."),
+        The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1: diag(4104, ts.DiagnosticCategory.Error, "The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1_4104", "The type '{0}' is 'readonly' and cannot be assigned to the mutable type '{1}'."),
+        Private_or_protected_member_0_cannot_be_accessed_on_a_type_parameter: diag(4105, ts.DiagnosticCategory.Error, "Private_or_protected_member_0_cannot_be_accessed_on_a_type_parameter_4105", "Private or protected member '{0}' cannot be accessed on a type parameter."),
+        Parameter_0_of_accessor_has_or_is_using_private_name_1: diag(4106, ts.DiagnosticCategory.Error, "Parameter_0_of_accessor_has_or_is_using_private_name_1_4106", "Parameter '{0}' of accessor has or is using private name '{1}'."),
+        Parameter_0_of_accessor_has_or_is_using_name_1_from_private_module_2: diag(4107, ts.DiagnosticCategory.Error, "Parameter_0_of_accessor_has_or_is_using_name_1_from_private_module_2_4107", "Parameter '{0}' of accessor has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_accessor_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4108, ts.DiagnosticCategory.Error, "Parameter_0_of_accessor_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4108", "Parameter '{0}' of accessor has or is using name '{1}' from external module '{2}' but cannot be named."),
+        Type_arguments_for_0_circularly_reference_themselves: diag(4109, ts.DiagnosticCategory.Error, "Type_arguments_for_0_circularly_reference_themselves_4109", "Type arguments for '{0}' circularly reference themselves."),
+        Tuple_type_arguments_circularly_reference_themselves: diag(4110, ts.DiagnosticCategory.Error, "Tuple_type_arguments_circularly_reference_themselves_4110", "Tuple type arguments circularly reference themselves."),
+        Property_0_comes_from_an_index_signature_so_it_must_be_accessed_with_0: diag(4111, ts.DiagnosticCategory.Error, "Property_0_comes_from_an_index_signature_so_it_must_be_accessed_with_0_4111", "Property '{0}' comes from an index signature, so it must be accessed with ['{0}']."),
+        This_member_cannot_have_an_override_modifier_because_its_containing_class_0_does_not_extend_another_class: diag(4112, ts.DiagnosticCategory.Error, "This_member_cannot_have_an_override_modifier_because_its_containing_class_0_does_not_extend_another__4112", "This member cannot have an 'override' modifier because its containing class '{0}' does not extend another class."),
+        This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0: diag(4113, ts.DiagnosticCategory.Error, "This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0_4113", "This member cannot have an 'override' modifier because it is not declared in the base class '{0}'."),
+        This_member_must_have_an_override_modifier_because_it_overrides_a_member_in_the_base_class_0: diag(4114, ts.DiagnosticCategory.Error, "This_member_must_have_an_override_modifier_because_it_overrides_a_member_in_the_base_class_0_4114", "This member must have an 'override' modifier because it overrides a member in the base class '{0}'."),
+        This_parameter_property_must_have_an_override_modifier_because_it_overrides_a_member_in_base_class_0: diag(4115, ts.DiagnosticCategory.Error, "This_parameter_property_must_have_an_override_modifier_because_it_overrides_a_member_in_base_class_0_4115", "This parameter property must have an 'override' modifier because it overrides a member in base class '{0}'."),
+        This_member_must_have_an_override_modifier_because_it_overrides_an_abstract_method_that_is_declared_in_the_base_class_0: diag(4116, ts.DiagnosticCategory.Error, "This_member_must_have_an_override_modifier_because_it_overrides_an_abstract_method_that_is_declared__4116", "This member must have an 'override' modifier because it overrides an abstract method that is declared in the base class '{0}'."),
+        This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0_Did_you_mean_1: diag(4117, ts.DiagnosticCategory.Error, "This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0_Did_you__4117", "This member cannot have an 'override' modifier because it is not declared in the base class '{0}'. Did you mean '{1}'?"),
+        The_type_of_this_node_cannot_be_serialized_because_its_property_0_cannot_be_serialized: diag(4118, ts.DiagnosticCategory.Error, "The_type_of_this_node_cannot_be_serialized_because_its_property_0_cannot_be_serialized_4118", "The type of this node cannot be serialized because its property '{0}' cannot be serialized."),
+        This_member_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0: diag(4119, ts.DiagnosticCategory.Error, "This_member_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_4119", "This member must have a JSDoc comment with an '@override' tag because it overrides a member in the base class '{0}'."),
+        This_parameter_property_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0: diag(4120, ts.DiagnosticCategory.Error, "This_parameter_property_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_4120", "This parameter property must have a JSDoc comment with an '@override' tag because it overrides a member in the base class '{0}'."),
+        This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_its_containing_class_0_does_not_extend_another_class: diag(4121, ts.DiagnosticCategory.Error, "This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_its_containing_class_0_does_not_4121", "This member cannot have a JSDoc comment with an '@override' tag because its containing class '{0}' does not extend another class."),
+        This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0: diag(4122, ts.DiagnosticCategory.Error, "This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base__4122", "This member cannot have a JSDoc comment with an '@override' tag because it is not declared in the base class '{0}'."),
+        This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0_Did_you_mean_1: diag(4123, ts.DiagnosticCategory.Error, "This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base__4123", "This member cannot have a JSDoc comment with an 'override' tag because it is not declared in the base class '{0}'. Did you mean '{1}'?"),
+        Compiler_option_0_of_value_1_is_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next: diag(4124, ts.DiagnosticCategory.Error, "Compiler_option_0_of_value_1_is_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_w_4124", "Compiler option '{0}' of value '{1}' is unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'."),
+        resolution_mode_assertions_are_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next: diag(4125, ts.DiagnosticCategory.Error, "resolution_mode_assertions_are_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_wi_4125", "'resolution-mode' assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'."),
+        The_current_host_does_not_support_the_0_option: diag(5001, ts.DiagnosticCategory.Error, "The_current_host_does_not_support_the_0_option_5001", "The current host does not support the '{0}' option."),
+        Cannot_find_the_common_subdirectory_path_for_the_input_files: diag(5009, ts.DiagnosticCategory.Error, "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", "Cannot find the common subdirectory path for the input files."),
+        File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: diag(5010, ts.DiagnosticCategory.Error, "File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0_5010", "File specification cannot end in a recursive directory wildcard ('**'): '{0}'."),
+        Cannot_read_file_0_Colon_1: diag(5012, ts.DiagnosticCategory.Error, "Cannot_read_file_0_Colon_1_5012", "Cannot read file '{0}': {1}."),
+        Failed_to_parse_file_0_Colon_1: diag(5014, ts.DiagnosticCategory.Error, "Failed_to_parse_file_0_Colon_1_5014", "Failed to parse file '{0}': {1}."),
+        Unknown_compiler_option_0: diag(5023, ts.DiagnosticCategory.Error, "Unknown_compiler_option_0_5023", "Unknown compiler option '{0}'."),
+        Compiler_option_0_requires_a_value_of_type_1: diag(5024, ts.DiagnosticCategory.Error, "Compiler_option_0_requires_a_value_of_type_1_5024", "Compiler option '{0}' requires a value of type {1}."),
+        Unknown_compiler_option_0_Did_you_mean_1: diag(5025, ts.DiagnosticCategory.Error, "Unknown_compiler_option_0_Did_you_mean_1_5025", "Unknown compiler option '{0}'. Did you mean '{1}'?"),
+        Could_not_write_file_0_Colon_1: diag(5033, ts.DiagnosticCategory.Error, "Could_not_write_file_0_Colon_1_5033", "Could not write file '{0}': {1}."),
+        Option_project_cannot_be_mixed_with_source_files_on_a_command_line: diag(5042, ts.DiagnosticCategory.Error, "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", "Option 'project' cannot be mixed with source files on a command line."),
+        Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: diag(5047, ts.DiagnosticCategory.Error, "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher."),
+        Option_0_cannot_be_specified_when_option_target_is_ES3: diag(5048, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_when_option_target_is_ES3_5048", "Option '{0}' cannot be specified when option 'target' is 'ES3'."),
+        Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: diag(5051, ts.DiagnosticCategory.Error, "Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided_5051", "Option '{0} can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided."),
+        Option_0_cannot_be_specified_without_specifying_option_1: diag(5052, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_without_specifying_option_1_5052", "Option '{0}' cannot be specified without specifying option '{1}'."),
+        Option_0_cannot_be_specified_with_option_1: diag(5053, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_with_option_1_5053", "Option '{0}' cannot be specified with option '{1}'."),
+        A_tsconfig_json_file_is_already_defined_at_Colon_0: diag(5054, ts.DiagnosticCategory.Error, "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", "A 'tsconfig.json' file is already defined at: '{0}'."),
+        Cannot_write_file_0_because_it_would_overwrite_input_file: diag(5055, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", "Cannot write file '{0}' because it would overwrite input file."),
+        Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: diag(5056, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", "Cannot write file '{0}' because it would be overwritten by multiple input files."),
+        Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: diag(5057, ts.DiagnosticCategory.Error, "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", "Cannot find a tsconfig.json file at the specified directory: '{0}'."),
+        The_specified_path_does_not_exist_Colon_0: diag(5058, ts.DiagnosticCategory.Error, "The_specified_path_does_not_exist_Colon_0_5058", "The specified path does not exist: '{0}'."),
+        Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier: diag(5059, ts.DiagnosticCategory.Error, "Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", "Invalid value for '--reactNamespace'. '{0}' is not a valid identifier."),
+        Pattern_0_can_have_at_most_one_Asterisk_character: diag(5061, ts.DiagnosticCategory.Error, "Pattern_0_can_have_at_most_one_Asterisk_character_5061", "Pattern '{0}' can have at most one '*' character."),
+        Substitution_0_in_pattern_1_can_have_at_most_one_Asterisk_character: diag(5062, ts.DiagnosticCategory.Error, "Substitution_0_in_pattern_1_can_have_at_most_one_Asterisk_character_5062", "Substitution '{0}' in pattern '{1}' can have at most one '*' character."),
+        Substitutions_for_pattern_0_should_be_an_array: diag(5063, ts.DiagnosticCategory.Error, "Substitutions_for_pattern_0_should_be_an_array_5063", "Substitutions for pattern '{0}' should be an array."),
+        Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2: diag(5064, ts.DiagnosticCategory.Error, "Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2_5064", "Substitution '{0}' for pattern '{1}' has incorrect type, expected 'string', got '{2}'."),
+        File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: diag(5065, ts.DiagnosticCategory.Error, "File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildca_5065", "File specification cannot contain a parent directory ('..') that appears after a recursive directory wildcard ('**'): '{0}'."),
+        Substitutions_for_pattern_0_shouldn_t_be_an_empty_array: diag(5066, ts.DiagnosticCategory.Error, "Substitutions_for_pattern_0_shouldn_t_be_an_empty_array_5066", "Substitutions for pattern '{0}' shouldn't be an empty array."),
+        Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name: diag(5067, ts.DiagnosticCategory.Error, "Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name_5067", "Invalid value for 'jsxFactory'. '{0}' is not a valid identifier or qualified-name."),
+        Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: diag(5068, ts.DiagnosticCategory.Error, "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__5068", "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig."),
+        Option_0_cannot_be_specified_without_specifying_option_1_or_option_2: diag(5069, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_without_specifying_option_1_or_option_2_5069", "Option '{0}' cannot be specified without specifying option '{1}' or option '{2}'."),
+        Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy: diag(5070, ts.DiagnosticCategory.Error, "Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy_5070", "Option '--resolveJsonModule' cannot be specified without 'node' module resolution strategy."),
+        Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_esNext: diag(5071, ts.DiagnosticCategory.Error, "Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_5071", "Option '--resolveJsonModule' can only be specified when module code generation is 'commonjs', 'amd', 'es2015' or 'esNext'."),
+        Unknown_build_option_0: diag(5072, ts.DiagnosticCategory.Error, "Unknown_build_option_0_5072", "Unknown build option '{0}'."),
+        Build_option_0_requires_a_value_of_type_1: diag(5073, ts.DiagnosticCategory.Error, "Build_option_0_requires_a_value_of_type_1_5073", "Build option '{0}' requires a value of type {1}."),
+        Option_incremental_can_only_be_specified_using_tsconfig_emitting_to_single_file_or_when_option_tsBuildInfoFile_is_specified: diag(5074, ts.DiagnosticCategory.Error, "Option_incremental_can_only_be_specified_using_tsconfig_emitting_to_single_file_or_when_option_tsBui_5074", "Option '--incremental' can only be specified using tsconfig, emitting to single file or when option '--tsBuildInfoFile' is specified."),
+        _0_is_assignable_to_the_constraint_of_type_1_but_1_could_be_instantiated_with_a_different_subtype_of_constraint_2: diag(5075, ts.DiagnosticCategory.Error, "_0_is_assignable_to_the_constraint_of_type_1_but_1_could_be_instantiated_with_a_different_subtype_of_5075", "'{0}' is assignable to the constraint of type '{1}', but '{1}' could be instantiated with a different subtype of constraint '{2}'."),
+        _0_and_1_operations_cannot_be_mixed_without_parentheses: diag(5076, ts.DiagnosticCategory.Error, "_0_and_1_operations_cannot_be_mixed_without_parentheses_5076", "'{0}' and '{1}' operations cannot be mixed without parentheses."),
+        Unknown_build_option_0_Did_you_mean_1: diag(5077, ts.DiagnosticCategory.Error, "Unknown_build_option_0_Did_you_mean_1_5077", "Unknown build option '{0}'. Did you mean '{1}'?"),
+        Unknown_watch_option_0: diag(5078, ts.DiagnosticCategory.Error, "Unknown_watch_option_0_5078", "Unknown watch option '{0}'."),
+        Unknown_watch_option_0_Did_you_mean_1: diag(5079, ts.DiagnosticCategory.Error, "Unknown_watch_option_0_Did_you_mean_1_5079", "Unknown watch option '{0}'. Did you mean '{1}'?"),
+        Watch_option_0_requires_a_value_of_type_1: diag(5080, ts.DiagnosticCategory.Error, "Watch_option_0_requires_a_value_of_type_1_5080", "Watch option '{0}' requires a value of type {1}."),
+        Cannot_find_a_tsconfig_json_file_at_the_current_directory_Colon_0: diag(5081, ts.DiagnosticCategory.Error, "Cannot_find_a_tsconfig_json_file_at_the_current_directory_Colon_0_5081", "Cannot find a tsconfig.json file at the current directory: {0}."),
+        _0_could_be_instantiated_with_an_arbitrary_type_which_could_be_unrelated_to_1: diag(5082, ts.DiagnosticCategory.Error, "_0_could_be_instantiated_with_an_arbitrary_type_which_could_be_unrelated_to_1_5082", "'{0}' could be instantiated with an arbitrary type which could be unrelated to '{1}'."),
+        Cannot_read_file_0: diag(5083, ts.DiagnosticCategory.Error, "Cannot_read_file_0_5083", "Cannot read file '{0}'."),
+        Tuple_members_must_all_have_names_or_all_not_have_names: diag(5084, ts.DiagnosticCategory.Error, "Tuple_members_must_all_have_names_or_all_not_have_names_5084", "Tuple members must all have names or all not have names."),
+        A_tuple_member_cannot_be_both_optional_and_rest: diag(5085, ts.DiagnosticCategory.Error, "A_tuple_member_cannot_be_both_optional_and_rest_5085", "A tuple member cannot be both optional and rest."),
+        A_labeled_tuple_element_is_declared_as_optional_with_a_question_mark_after_the_name_and_before_the_colon_rather_than_after_the_type: diag(5086, ts.DiagnosticCategory.Error, "A_labeled_tuple_element_is_declared_as_optional_with_a_question_mark_after_the_name_and_before_the_c_5086", "A labeled tuple element is declared as optional with a question mark after the name and before the colon, rather than after the type."),
+        A_labeled_tuple_element_is_declared_as_rest_with_a_before_the_name_rather_than_before_the_type: diag(5087, ts.DiagnosticCategory.Error, "A_labeled_tuple_element_is_declared_as_rest_with_a_before_the_name_rather_than_before_the_type_5087", "A labeled tuple element is declared as rest with a '...' before the name, rather than before the type."),
+        The_inferred_type_of_0_references_a_type_with_a_cyclic_structure_which_cannot_be_trivially_serialized_A_type_annotation_is_necessary: diag(5088, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_references_a_type_with_a_cyclic_structure_which_cannot_be_trivially_serialize_5088", "The inferred type of '{0}' references a type with a cyclic structure which cannot be trivially serialized. A type annotation is necessary."),
+        Option_0_cannot_be_specified_when_option_jsx_is_1: diag(5089, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_when_option_jsx_is_1_5089", "Option '{0}' cannot be specified when option 'jsx' is '{1}'."),
+        Non_relative_paths_are_not_allowed_when_baseUrl_is_not_set_Did_you_forget_a_leading_Slash: diag(5090, ts.DiagnosticCategory.Error, "Non_relative_paths_are_not_allowed_when_baseUrl_is_not_set_Did_you_forget_a_leading_Slash_5090", "Non-relative paths are not allowed when 'baseUrl' is not set. Did you forget a leading './'?"),
+        Option_preserveConstEnums_cannot_be_disabled_when_isolatedModules_is_enabled: diag(5091, ts.DiagnosticCategory.Error, "Option_preserveConstEnums_cannot_be_disabled_when_isolatedModules_is_enabled_5091", "Option 'preserveConstEnums' cannot be disabled when 'isolatedModules' is enabled."),
+        The_root_value_of_a_0_file_must_be_an_object: diag(5092, ts.DiagnosticCategory.Error, "The_root_value_of_a_0_file_must_be_an_object_5092", "The root value of a '{0}' file must be an object."),
+        Compiler_option_0_may_only_be_used_with_build: diag(5093, ts.DiagnosticCategory.Error, "Compiler_option_0_may_only_be_used_with_build_5093", "Compiler option '--{0}' may only be used with '--build'."),
+        Compiler_option_0_may_not_be_used_with_build: diag(5094, ts.DiagnosticCategory.Error, "Compiler_option_0_may_not_be_used_with_build_5094", "Compiler option '--{0}' may not be used with '--build'."),
+        Option_preserveValueImports_can_only_be_used_when_module_is_set_to_es2015_or_later: diag(5095, ts.DiagnosticCategory.Error, "Option_preserveValueImports_can_only_be_used_when_module_is_set_to_es2015_or_later_5095", "Option 'preserveValueImports' can only be used when 'module' is set to 'es2015' or later."),
+        Generates_a_sourcemap_for_each_corresponding_d_ts_file: diag(6000, ts.DiagnosticCategory.Message, "Generates_a_sourcemap_for_each_corresponding_d_ts_file_6000", "Generates a sourcemap for each corresponding '.d.ts' file."),
+        Concatenate_and_emit_output_to_single_file: diag(6001, ts.DiagnosticCategory.Message, "Concatenate_and_emit_output_to_single_file_6001", "Concatenate and emit output to single file."),
+        Generates_corresponding_d_ts_file: diag(6002, ts.DiagnosticCategory.Message, "Generates_corresponding_d_ts_file_6002", "Generates corresponding '.d.ts' file."),
+        Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: diag(6004, ts.DiagnosticCategory.Message, "Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", "Specify the location where debugger should locate TypeScript files instead of source locations."),
+        Watch_input_files: diag(6005, ts.DiagnosticCategory.Message, "Watch_input_files_6005", "Watch input files."),
+        Redirect_output_structure_to_the_directory: diag(6006, ts.DiagnosticCategory.Message, "Redirect_output_structure_to_the_directory_6006", "Redirect output structure to the directory."),
+        Do_not_erase_const_enum_declarations_in_generated_code: diag(6007, ts.DiagnosticCategory.Message, "Do_not_erase_const_enum_declarations_in_generated_code_6007", "Do not erase const enum declarations in generated code."),
+        Do_not_emit_outputs_if_any_errors_were_reported: diag(6008, ts.DiagnosticCategory.Message, "Do_not_emit_outputs_if_any_errors_were_reported_6008", "Do not emit outputs if any errors were reported."),
+        Do_not_emit_comments_to_output: diag(6009, ts.DiagnosticCategory.Message, "Do_not_emit_comments_to_output_6009", "Do not emit comments to output."),
+        Do_not_emit_outputs: diag(6010, ts.DiagnosticCategory.Message, "Do_not_emit_outputs_6010", "Do not emit outputs."),
+        Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: diag(6011, ts.DiagnosticCategory.Message, "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", "Allow default imports from modules with no default export. This does not affect code emit, just typechecking."),
+        Skip_type_checking_of_declaration_files: diag(6012, ts.DiagnosticCategory.Message, "Skip_type_checking_of_declaration_files_6012", "Skip type checking of declaration files."),
+        Do_not_resolve_the_real_path_of_symlinks: diag(6013, ts.DiagnosticCategory.Message, "Do_not_resolve_the_real_path_of_symlinks_6013", "Do not resolve the real path of symlinks."),
+        Only_emit_d_ts_declaration_files: diag(6014, ts.DiagnosticCategory.Message, "Only_emit_d_ts_declaration_files_6014", "Only emit '.d.ts' declaration files."),
+        Specify_ECMAScript_target_version: diag(6015, ts.DiagnosticCategory.Message, "Specify_ECMAScript_target_version_6015", "Specify ECMAScript target version."),
+        Specify_module_code_generation: diag(6016, ts.DiagnosticCategory.Message, "Specify_module_code_generation_6016", "Specify module code generation."),
+        Print_this_message: diag(6017, ts.DiagnosticCategory.Message, "Print_this_message_6017", "Print this message."),
+        Print_the_compiler_s_version: diag(6019, ts.DiagnosticCategory.Message, "Print_the_compiler_s_version_6019", "Print the compiler's version."),
+        Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json: diag(6020, ts.DiagnosticCategory.Message, "Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json_6020", "Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'."),
+        Syntax_Colon_0: diag(6023, ts.DiagnosticCategory.Message, "Syntax_Colon_0_6023", "Syntax: {0}"),
+        options: diag(6024, ts.DiagnosticCategory.Message, "options_6024", "options"),
+        file: diag(6025, ts.DiagnosticCategory.Message, "file_6025", "file"),
+        Examples_Colon_0: diag(6026, ts.DiagnosticCategory.Message, "Examples_Colon_0_6026", "Examples: {0}"),
+        Options_Colon: diag(6027, ts.DiagnosticCategory.Message, "Options_Colon_6027", "Options:"),
+        Version_0: diag(6029, ts.DiagnosticCategory.Message, "Version_0_6029", "Version {0}"),
+        Insert_command_line_options_and_files_from_a_file: diag(6030, ts.DiagnosticCategory.Message, "Insert_command_line_options_and_files_from_a_file_6030", "Insert command line options and files from a file."),
+        Starting_compilation_in_watch_mode: diag(6031, ts.DiagnosticCategory.Message, "Starting_compilation_in_watch_mode_6031", "Starting compilation in watch mode..."),
+        File_change_detected_Starting_incremental_compilation: diag(6032, ts.DiagnosticCategory.Message, "File_change_detected_Starting_incremental_compilation_6032", "File change detected. Starting incremental compilation..."),
+        KIND: diag(6034, ts.DiagnosticCategory.Message, "KIND_6034", "KIND"),
+        FILE: diag(6035, ts.DiagnosticCategory.Message, "FILE_6035", "FILE"),
+        VERSION: diag(6036, ts.DiagnosticCategory.Message, "VERSION_6036", "VERSION"),
+        LOCATION: diag(6037, ts.DiagnosticCategory.Message, "LOCATION_6037", "LOCATION"),
+        DIRECTORY: diag(6038, ts.DiagnosticCategory.Message, "DIRECTORY_6038", "DIRECTORY"),
+        STRATEGY: diag(6039, ts.DiagnosticCategory.Message, "STRATEGY_6039", "STRATEGY"),
+        FILE_OR_DIRECTORY: diag(6040, ts.DiagnosticCategory.Message, "FILE_OR_DIRECTORY_6040", "FILE OR DIRECTORY"),
+        Errors_Files: diag(6041, ts.DiagnosticCategory.Message, "Errors_Files_6041", "Errors  Files"),
+        Generates_corresponding_map_file: diag(6043, ts.DiagnosticCategory.Message, "Generates_corresponding_map_file_6043", "Generates corresponding '.map' file."),
+        Compiler_option_0_expects_an_argument: diag(6044, ts.DiagnosticCategory.Error, "Compiler_option_0_expects_an_argument_6044", "Compiler option '{0}' expects an argument."),
+        Unterminated_quoted_string_in_response_file_0: diag(6045, ts.DiagnosticCategory.Error, "Unterminated_quoted_string_in_response_file_0_6045", "Unterminated quoted string in response file '{0}'."),
+        Argument_for_0_option_must_be_Colon_1: diag(6046, ts.DiagnosticCategory.Error, "Argument_for_0_option_must_be_Colon_1_6046", "Argument for '{0}' option must be: {1}."),
+        Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: diag(6048, ts.DiagnosticCategory.Error, "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", "Locale must be of the form  or -. For example '{0}' or '{1}'."),
+        Unable_to_open_file_0: diag(6050, ts.DiagnosticCategory.Error, "Unable_to_open_file_0_6050", "Unable to open file '{0}'."),
+        Corrupted_locale_file_0: diag(6051, ts.DiagnosticCategory.Error, "Corrupted_locale_file_0_6051", "Corrupted locale file {0}."),
+        Raise_error_on_expressions_and_declarations_with_an_implied_any_type: diag(6052, ts.DiagnosticCategory.Message, "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", "Raise error on expressions and declarations with an implied 'any' type."),
+        File_0_not_found: diag(6053, ts.DiagnosticCategory.Error, "File_0_not_found_6053", "File '{0}' not found."),
+        File_0_has_an_unsupported_extension_The_only_supported_extensions_are_1: diag(6054, ts.DiagnosticCategory.Error, "File_0_has_an_unsupported_extension_The_only_supported_extensions_are_1_6054", "File '{0}' has an unsupported extension. The only supported extensions are {1}."),
+        Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: diag(6055, ts.DiagnosticCategory.Message, "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", "Suppress noImplicitAny errors for indexing objects lacking index signatures."),
+        Do_not_emit_declarations_for_code_that_has_an_internal_annotation: diag(6056, ts.DiagnosticCategory.Message, "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", "Do not emit declarations for code that has an '@internal' annotation."),
+        Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: diag(6058, ts.DiagnosticCategory.Message, "Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir_6058", "Specify the root directory of input files. Use to control the output directory structure with --outDir."),
+        File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: diag(6059, ts.DiagnosticCategory.Error, "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files."),
+        Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: diag(6060, ts.DiagnosticCategory.Message, "Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", "Specify the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)."),
+        NEWLINE: diag(6061, ts.DiagnosticCategory.Message, "NEWLINE_6061", "NEWLINE"),
+        Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_null_on_command_line: diag(6064, ts.DiagnosticCategory.Error, "Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_null_on_command_line_6064", "Option '{0}' can only be specified in 'tsconfig.json' file or set to 'null' on command line."),
+        Enables_experimental_support_for_ES7_decorators: diag(6065, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_ES7_decorators_6065", "Enables experimental support for ES7 decorators."),
+        Enables_experimental_support_for_emitting_type_metadata_for_decorators: diag(6066, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", "Enables experimental support for emitting type metadata for decorators."),
+        Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: diag(6069, ts.DiagnosticCategory.Message, "Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", "Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)."),
+        Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: diag(6070, ts.DiagnosticCategory.Message, "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", "Initializes a TypeScript project and creates a tsconfig.json file."),
+        Successfully_created_a_tsconfig_json_file: diag(6071, ts.DiagnosticCategory.Message, "Successfully_created_a_tsconfig_json_file_6071", "Successfully created a tsconfig.json file."),
+        Suppress_excess_property_checks_for_object_literals: diag(6072, ts.DiagnosticCategory.Message, "Suppress_excess_property_checks_for_object_literals_6072", "Suppress excess property checks for object literals."),
+        Stylize_errors_and_messages_using_color_and_context_experimental: diag(6073, ts.DiagnosticCategory.Message, "Stylize_errors_and_messages_using_color_and_context_experimental_6073", "Stylize errors and messages using color and context (experimental)."),
+        Do_not_report_errors_on_unused_labels: diag(6074, ts.DiagnosticCategory.Message, "Do_not_report_errors_on_unused_labels_6074", "Do not report errors on unused labels."),
+        Report_error_when_not_all_code_paths_in_function_return_a_value: diag(6075, ts.DiagnosticCategory.Message, "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", "Report error when not all code paths in function return a value."),
+        Report_errors_for_fallthrough_cases_in_switch_statement: diag(6076, ts.DiagnosticCategory.Message, "Report_errors_for_fallthrough_cases_in_switch_statement_6076", "Report errors for fallthrough cases in switch statement."),
+        Do_not_report_errors_on_unreachable_code: diag(6077, ts.DiagnosticCategory.Message, "Do_not_report_errors_on_unreachable_code_6077", "Do not report errors on unreachable code."),
+        Disallow_inconsistently_cased_references_to_the_same_file: diag(6078, ts.DiagnosticCategory.Message, "Disallow_inconsistently_cased_references_to_the_same_file_6078", "Disallow inconsistently-cased references to the same file."),
+        Specify_library_files_to_be_included_in_the_compilation: diag(6079, ts.DiagnosticCategory.Message, "Specify_library_files_to_be_included_in_the_compilation_6079", "Specify library files to be included in the compilation."),
+        Specify_JSX_code_generation: diag(6080, ts.DiagnosticCategory.Message, "Specify_JSX_code_generation_6080", "Specify JSX code generation."),
+        File_0_has_an_unsupported_extension_so_skipping_it: diag(6081, ts.DiagnosticCategory.Message, "File_0_has_an_unsupported_extension_so_skipping_it_6081", "File '{0}' has an unsupported extension, so skipping it."),
+        Only_amd_and_system_modules_are_supported_alongside_0: diag(6082, ts.DiagnosticCategory.Error, "Only_amd_and_system_modules_are_supported_alongside_0_6082", "Only 'amd' and 'system' modules are supported alongside --{0}."),
+        Base_directory_to_resolve_non_absolute_module_names: diag(6083, ts.DiagnosticCategory.Message, "Base_directory_to_resolve_non_absolute_module_names_6083", "Base directory to resolve non-absolute module names."),
+        Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit: diag(6084, ts.DiagnosticCategory.Message, "Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react__6084", "[Deprecated] Use '--jsxFactory' instead. Specify the object invoked for createElement when targeting 'react' JSX emit"),
+        Enable_tracing_of_the_name_resolution_process: diag(6085, ts.DiagnosticCategory.Message, "Enable_tracing_of_the_name_resolution_process_6085", "Enable tracing of the name resolution process."),
+        Resolving_module_0_from_1: diag(6086, ts.DiagnosticCategory.Message, "Resolving_module_0_from_1_6086", "======== Resolving module '{0}' from '{1}'. ========"),
+        Explicitly_specified_module_resolution_kind_Colon_0: diag(6087, ts.DiagnosticCategory.Message, "Explicitly_specified_module_resolution_kind_Colon_0_6087", "Explicitly specified module resolution kind: '{0}'."),
+        Module_resolution_kind_is_not_specified_using_0: diag(6088, ts.DiagnosticCategory.Message, "Module_resolution_kind_is_not_specified_using_0_6088", "Module resolution kind is not specified, using '{0}'."),
+        Module_name_0_was_successfully_resolved_to_1: diag(6089, ts.DiagnosticCategory.Message, "Module_name_0_was_successfully_resolved_to_1_6089", "======== Module name '{0}' was successfully resolved to '{1}'. ========"),
+        Module_name_0_was_not_resolved: diag(6090, ts.DiagnosticCategory.Message, "Module_name_0_was_not_resolved_6090", "======== Module name '{0}' was not resolved. ========"),
+        paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0: diag(6091, ts.DiagnosticCategory.Message, "paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0_6091", "'paths' option is specified, looking for a pattern to match module name '{0}'."),
+        Module_name_0_matched_pattern_1: diag(6092, ts.DiagnosticCategory.Message, "Module_name_0_matched_pattern_1_6092", "Module name '{0}', matched pattern '{1}'."),
+        Trying_substitution_0_candidate_module_location_Colon_1: diag(6093, ts.DiagnosticCategory.Message, "Trying_substitution_0_candidate_module_location_Colon_1_6093", "Trying substitution '{0}', candidate module location: '{1}'."),
+        Resolving_module_name_0_relative_to_base_url_1_2: diag(6094, ts.DiagnosticCategory.Message, "Resolving_module_name_0_relative_to_base_url_1_2_6094", "Resolving module name '{0}' relative to base url '{1}' - '{2}'."),
+        Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1: diag(6095, ts.DiagnosticCategory.Message, "Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1_6095", "Loading module as file / folder, candidate module location '{0}', target file type '{1}'."),
+        File_0_does_not_exist: diag(6096, ts.DiagnosticCategory.Message, "File_0_does_not_exist_6096", "File '{0}' does not exist."),
+        File_0_exist_use_it_as_a_name_resolution_result: diag(6097, ts.DiagnosticCategory.Message, "File_0_exist_use_it_as_a_name_resolution_result_6097", "File '{0}' exist - use it as a name resolution result."),
+        Loading_module_0_from_node_modules_folder_target_file_type_1: diag(6098, ts.DiagnosticCategory.Message, "Loading_module_0_from_node_modules_folder_target_file_type_1_6098", "Loading module '{0}' from 'node_modules' folder, target file type '{1}'."),
+        Found_package_json_at_0: diag(6099, ts.DiagnosticCategory.Message, "Found_package_json_at_0_6099", "Found 'package.json' at '{0}'."),
+        package_json_does_not_have_a_0_field: diag(6100, ts.DiagnosticCategory.Message, "package_json_does_not_have_a_0_field_6100", "'package.json' does not have a '{0}' field."),
+        package_json_has_0_field_1_that_references_2: diag(6101, ts.DiagnosticCategory.Message, "package_json_has_0_field_1_that_references_2_6101", "'package.json' has '{0}' field '{1}' that references '{2}'."),
+        Allow_javascript_files_to_be_compiled: diag(6102, ts.DiagnosticCategory.Message, "Allow_javascript_files_to_be_compiled_6102", "Allow javascript files to be compiled."),
+        Checking_if_0_is_the_longest_matching_prefix_for_1_2: diag(6104, ts.DiagnosticCategory.Message, "Checking_if_0_is_the_longest_matching_prefix_for_1_2_6104", "Checking if '{0}' is the longest matching prefix for '{1}' - '{2}'."),
+        Expected_type_of_0_field_in_package_json_to_be_1_got_2: diag(6105, ts.DiagnosticCategory.Message, "Expected_type_of_0_field_in_package_json_to_be_1_got_2_6105", "Expected type of '{0}' field in 'package.json' to be '{1}', got '{2}'."),
+        baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1: diag(6106, ts.DiagnosticCategory.Message, "baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1_6106", "'baseUrl' option is set to '{0}', using this value to resolve non-relative module name '{1}'."),
+        rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0: diag(6107, ts.DiagnosticCategory.Message, "rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0_6107", "'rootDirs' option is set, using it to resolve relative module name '{0}'."),
+        Longest_matching_prefix_for_0_is_1: diag(6108, ts.DiagnosticCategory.Message, "Longest_matching_prefix_for_0_is_1_6108", "Longest matching prefix for '{0}' is '{1}'."),
+        Loading_0_from_the_root_dir_1_candidate_location_2: diag(6109, ts.DiagnosticCategory.Message, "Loading_0_from_the_root_dir_1_candidate_location_2_6109", "Loading '{0}' from the root dir '{1}', candidate location '{2}'."),
+        Trying_other_entries_in_rootDirs: diag(6110, ts.DiagnosticCategory.Message, "Trying_other_entries_in_rootDirs_6110", "Trying other entries in 'rootDirs'."),
+        Module_resolution_using_rootDirs_has_failed: diag(6111, ts.DiagnosticCategory.Message, "Module_resolution_using_rootDirs_has_failed_6111", "Module resolution using 'rootDirs' has failed."),
+        Do_not_emit_use_strict_directives_in_module_output: diag(6112, ts.DiagnosticCategory.Message, "Do_not_emit_use_strict_directives_in_module_output_6112", "Do not emit 'use strict' directives in module output."),
+        Enable_strict_null_checks: diag(6113, ts.DiagnosticCategory.Message, "Enable_strict_null_checks_6113", "Enable strict null checks."),
+        Unknown_option_excludes_Did_you_mean_exclude: diag(6114, ts.DiagnosticCategory.Error, "Unknown_option_excludes_Did_you_mean_exclude_6114", "Unknown option 'excludes'. Did you mean 'exclude'?"),
+        Raise_error_on_this_expressions_with_an_implied_any_type: diag(6115, ts.DiagnosticCategory.Message, "Raise_error_on_this_expressions_with_an_implied_any_type_6115", "Raise error on 'this' expressions with an implied 'any' type."),
+        Resolving_type_reference_directive_0_containing_file_1_root_directory_2: diag(6116, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_root_directory_2_6116", "======== Resolving type reference directive '{0}', containing file '{1}', root directory '{2}'. ========"),
+        Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2: diag(6119, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2_6119", "======== Type reference directive '{0}' was successfully resolved to '{1}', primary: {2}. ========"),
+        Type_reference_directive_0_was_not_resolved: diag(6120, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_not_resolved_6120", "======== Type reference directive '{0}' was not resolved. ========"),
+        Resolving_with_primary_search_path_0: diag(6121, ts.DiagnosticCategory.Message, "Resolving_with_primary_search_path_0_6121", "Resolving with primary search path '{0}'."),
+        Root_directory_cannot_be_determined_skipping_primary_search_paths: diag(6122, ts.DiagnosticCategory.Message, "Root_directory_cannot_be_determined_skipping_primary_search_paths_6122", "Root directory cannot be determined, skipping primary search paths."),
+        Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set: diag(6123, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set_6123", "======== Resolving type reference directive '{0}', containing file '{1}', root directory not set. ========"),
+        Type_declaration_files_to_be_included_in_compilation: diag(6124, ts.DiagnosticCategory.Message, "Type_declaration_files_to_be_included_in_compilation_6124", "Type declaration files to be included in compilation."),
+        Looking_up_in_node_modules_folder_initial_location_0: diag(6125, ts.DiagnosticCategory.Message, "Looking_up_in_node_modules_folder_initial_location_0_6125", "Looking up in 'node_modules' folder, initial location '{0}'."),
+        Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder: diag(6126, ts.DiagnosticCategory.Message, "Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_mod_6126", "Containing file is not specified and root directory cannot be determined, skipping lookup in 'node_modules' folder."),
+        Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1: diag(6127, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1_6127", "======== Resolving type reference directive '{0}', containing file not set, root directory '{1}'. ========"),
+        Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set: diag(6128, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set_6128", "======== Resolving type reference directive '{0}', containing file not set, root directory not set. ========"),
+        Resolving_real_path_for_0_result_1: diag(6130, ts.DiagnosticCategory.Message, "Resolving_real_path_for_0_result_1_6130", "Resolving real path for '{0}', result '{1}'."),
+        Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system: diag(6131, ts.DiagnosticCategory.Error, "Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system_6131", "Cannot compile modules using option '{0}' unless the '--module' flag is 'amd' or 'system'."),
+        File_name_0_has_a_1_extension_stripping_it: diag(6132, ts.DiagnosticCategory.Message, "File_name_0_has_a_1_extension_stripping_it_6132", "File name '{0}' has a '{1}' extension - stripping it."),
+        _0_is_declared_but_its_value_is_never_read: diag(6133, ts.DiagnosticCategory.Error, "_0_is_declared_but_its_value_is_never_read_6133", "'{0}' is declared but its value is never read.", /*reportsUnnecessary*/ true),
+        Report_errors_on_unused_locals: diag(6134, ts.DiagnosticCategory.Message, "Report_errors_on_unused_locals_6134", "Report errors on unused locals."),
+        Report_errors_on_unused_parameters: diag(6135, ts.DiagnosticCategory.Message, "Report_errors_on_unused_parameters_6135", "Report errors on unused parameters."),
+        The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files: diag(6136, ts.DiagnosticCategory.Message, "The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files_6136", "The maximum dependency depth to search under node_modules and load JavaScript files."),
+        Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1: diag(6137, ts.DiagnosticCategory.Error, "Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1_6137", "Cannot import type declaration files. Consider importing '{0}' instead of '{1}'."),
+        Property_0_is_declared_but_its_value_is_never_read: diag(6138, ts.DiagnosticCategory.Error, "Property_0_is_declared_but_its_value_is_never_read_6138", "Property '{0}' is declared but its value is never read.", /*reportsUnnecessary*/ true),
+        Import_emit_helpers_from_tslib: diag(6139, ts.DiagnosticCategory.Message, "Import_emit_helpers_from_tslib_6139", "Import emit helpers from 'tslib'."),
+        Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2: diag(6140, ts.DiagnosticCategory.Error, "Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using__6140", "Auto discovery for typings is enabled in project '{0}'. Running extra resolution pass for module '{1}' using cache location '{2}'."),
+        Parse_in_strict_mode_and_emit_use_strict_for_each_source_file: diag(6141, ts.DiagnosticCategory.Message, "Parse_in_strict_mode_and_emit_use_strict_for_each_source_file_6141", "Parse in strict mode and emit \"use strict\" for each source file."),
+        Module_0_was_resolved_to_1_but_jsx_is_not_set: diag(6142, ts.DiagnosticCategory.Error, "Module_0_was_resolved_to_1_but_jsx_is_not_set_6142", "Module '{0}' was resolved to '{1}', but '--jsx' is not set."),
+        Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1: diag(6144, ts.DiagnosticCategory.Message, "Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1_6144", "Module '{0}' was resolved as locally declared ambient module in file '{1}'."),
+        Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified: diag(6145, ts.DiagnosticCategory.Message, "Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified_6145", "Module '{0}' was resolved as ambient module declared in '{1}' since this file was not modified."),
+        Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h: diag(6146, ts.DiagnosticCategory.Message, "Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h_6146", "Specify the JSX factory function to use when targeting 'react' JSX emit, e.g. 'React.createElement' or 'h'."),
+        Resolution_for_module_0_was_found_in_cache_from_location_1: diag(6147, ts.DiagnosticCategory.Message, "Resolution_for_module_0_was_found_in_cache_from_location_1_6147", "Resolution for module '{0}' was found in cache from location '{1}'."),
+        Directory_0_does_not_exist_skipping_all_lookups_in_it: diag(6148, ts.DiagnosticCategory.Message, "Directory_0_does_not_exist_skipping_all_lookups_in_it_6148", "Directory '{0}' does not exist, skipping all lookups in it."),
+        Show_diagnostic_information: diag(6149, ts.DiagnosticCategory.Message, "Show_diagnostic_information_6149", "Show diagnostic information."),
+        Show_verbose_diagnostic_information: diag(6150, ts.DiagnosticCategory.Message, "Show_verbose_diagnostic_information_6150", "Show verbose diagnostic information."),
+        Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file: diag(6151, ts.DiagnosticCategory.Message, "Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file_6151", "Emit a single file with source maps instead of having a separate file."),
+        Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set: diag(6152, ts.DiagnosticCategory.Message, "Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap__6152", "Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set."),
+        Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule: diag(6153, ts.DiagnosticCategory.Message, "Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule_6153", "Transpile each file as a separate module (similar to 'ts.transpileModule')."),
+        Print_names_of_generated_files_part_of_the_compilation: diag(6154, ts.DiagnosticCategory.Message, "Print_names_of_generated_files_part_of_the_compilation_6154", "Print names of generated files part of the compilation."),
+        Print_names_of_files_part_of_the_compilation: diag(6155, ts.DiagnosticCategory.Message, "Print_names_of_files_part_of_the_compilation_6155", "Print names of files part of the compilation."),
+        The_locale_used_when_displaying_messages_to_the_user_e_g_en_us: diag(6156, ts.DiagnosticCategory.Message, "The_locale_used_when_displaying_messages_to_the_user_e_g_en_us_6156", "The locale used when displaying messages to the user (e.g. 'en-us')"),
+        Do_not_generate_custom_helper_functions_like_extends_in_compiled_output: diag(6157, ts.DiagnosticCategory.Message, "Do_not_generate_custom_helper_functions_like_extends_in_compiled_output_6157", "Do not generate custom helper functions like '__extends' in compiled output."),
+        Do_not_include_the_default_library_file_lib_d_ts: diag(6158, ts.DiagnosticCategory.Message, "Do_not_include_the_default_library_file_lib_d_ts_6158", "Do not include the default library file (lib.d.ts)."),
+        Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files: diag(6159, ts.DiagnosticCategory.Message, "Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files_6159", "Do not add triple-slash references or imported modules to the list of compiled files."),
+        Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files: diag(6160, ts.DiagnosticCategory.Message, "Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files_6160", "[Deprecated] Use '--skipLibCheck' instead. Skip type checking of default library declaration files."),
+        List_of_folders_to_include_type_definitions_from: diag(6161, ts.DiagnosticCategory.Message, "List_of_folders_to_include_type_definitions_from_6161", "List of folders to include type definitions from."),
+        Disable_size_limitations_on_JavaScript_projects: diag(6162, ts.DiagnosticCategory.Message, "Disable_size_limitations_on_JavaScript_projects_6162", "Disable size limitations on JavaScript projects."),
+        The_character_set_of_the_input_files: diag(6163, ts.DiagnosticCategory.Message, "The_character_set_of_the_input_files_6163", "The character set of the input files."),
+        Do_not_truncate_error_messages: diag(6165, ts.DiagnosticCategory.Message, "Do_not_truncate_error_messages_6165", "Do not truncate error messages."),
+        Output_directory_for_generated_declaration_files: diag(6166, ts.DiagnosticCategory.Message, "Output_directory_for_generated_declaration_files_6166", "Output directory for generated declaration files."),
+        A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl: diag(6167, ts.DiagnosticCategory.Message, "A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl_6167", "A series of entries which re-map imports to lookup locations relative to the 'baseUrl'."),
+        List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime: diag(6168, ts.DiagnosticCategory.Message, "List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime_6168", "List of root folders whose combined content represents the structure of the project at runtime."),
+        Show_all_compiler_options: diag(6169, ts.DiagnosticCategory.Message, "Show_all_compiler_options_6169", "Show all compiler options."),
+        Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file: diag(6170, ts.DiagnosticCategory.Message, "Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file_6170", "[Deprecated] Use '--outFile' instead. Concatenate and emit output to single file"),
+        Command_line_Options: diag(6171, ts.DiagnosticCategory.Message, "Command_line_Options_6171", "Command-line Options"),
+        Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3: diag(6179, ts.DiagnosticCategory.Message, "Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3_6179", "Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'."),
+        Enable_all_strict_type_checking_options: diag(6180, ts.DiagnosticCategory.Message, "Enable_all_strict_type_checking_options_6180", "Enable all strict type-checking options."),
+        Scoped_package_detected_looking_in_0: diag(6182, ts.DiagnosticCategory.Message, "Scoped_package_detected_looking_in_0_6182", "Scoped package detected, looking in '{0}'"),
+        Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2: diag(6183, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2_6183", "Reusing resolution of module '{0}' from '{1}' of old program, it was successfully resolved to '{2}'."),
+        Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2_with_Package_ID_3: diag(6184, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2_with_Package__6184", "Reusing resolution of module '{0}' from '{1}' of old program, it was successfully resolved to '{2}' with Package ID '{3}'."),
+        Enable_strict_checking_of_function_types: diag(6186, ts.DiagnosticCategory.Message, "Enable_strict_checking_of_function_types_6186", "Enable strict checking of function types."),
+        Enable_strict_checking_of_property_initialization_in_classes: diag(6187, ts.DiagnosticCategory.Message, "Enable_strict_checking_of_property_initialization_in_classes_6187", "Enable strict checking of property initialization in classes."),
+        Numeric_separators_are_not_allowed_here: diag(6188, ts.DiagnosticCategory.Error, "Numeric_separators_are_not_allowed_here_6188", "Numeric separators are not allowed here."),
+        Multiple_consecutive_numeric_separators_are_not_permitted: diag(6189, ts.DiagnosticCategory.Error, "Multiple_consecutive_numeric_separators_are_not_permitted_6189", "Multiple consecutive numeric separators are not permitted."),
+        Whether_to_keep_outdated_console_output_in_watch_mode_instead_of_clearing_the_screen: diag(6191, ts.DiagnosticCategory.Message, "Whether_to_keep_outdated_console_output_in_watch_mode_instead_of_clearing_the_screen_6191", "Whether to keep outdated console output in watch mode instead of clearing the screen."),
+        All_imports_in_import_declaration_are_unused: diag(6192, ts.DiagnosticCategory.Error, "All_imports_in_import_declaration_are_unused_6192", "All imports in import declaration are unused.", /*reportsUnnecessary*/ true),
+        Found_1_error_Watching_for_file_changes: diag(6193, ts.DiagnosticCategory.Message, "Found_1_error_Watching_for_file_changes_6193", "Found 1 error. Watching for file changes."),
+        Found_0_errors_Watching_for_file_changes: diag(6194, ts.DiagnosticCategory.Message, "Found_0_errors_Watching_for_file_changes_6194", "Found {0} errors. Watching for file changes."),
+        Resolve_keyof_to_string_valued_property_names_only_no_numbers_or_symbols: diag(6195, ts.DiagnosticCategory.Message, "Resolve_keyof_to_string_valued_property_names_only_no_numbers_or_symbols_6195", "Resolve 'keyof' to string valued property names only (no numbers or symbols)."),
+        _0_is_declared_but_never_used: diag(6196, ts.DiagnosticCategory.Error, "_0_is_declared_but_never_used_6196", "'{0}' is declared but never used.", /*reportsUnnecessary*/ true),
+        Include_modules_imported_with_json_extension: diag(6197, ts.DiagnosticCategory.Message, "Include_modules_imported_with_json_extension_6197", "Include modules imported with '.json' extension"),
+        All_destructured_elements_are_unused: diag(6198, ts.DiagnosticCategory.Error, "All_destructured_elements_are_unused_6198", "All destructured elements are unused.", /*reportsUnnecessary*/ true),
+        All_variables_are_unused: diag(6199, ts.DiagnosticCategory.Error, "All_variables_are_unused_6199", "All variables are unused.", /*reportsUnnecessary*/ true),
+        Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0: diag(6200, ts.DiagnosticCategory.Error, "Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0_6200", "Definitions of the following identifiers conflict with those in another file: {0}"),
+        Conflicts_are_in_this_file: diag(6201, ts.DiagnosticCategory.Message, "Conflicts_are_in_this_file_6201", "Conflicts are in this file."),
+        Project_references_may_not_form_a_circular_graph_Cycle_detected_Colon_0: diag(6202, ts.DiagnosticCategory.Error, "Project_references_may_not_form_a_circular_graph_Cycle_detected_Colon_0_6202", "Project references may not form a circular graph. Cycle detected: {0}"),
+        _0_was_also_declared_here: diag(6203, ts.DiagnosticCategory.Message, "_0_was_also_declared_here_6203", "'{0}' was also declared here."),
+        and_here: diag(6204, ts.DiagnosticCategory.Message, "and_here_6204", "and here."),
+        All_type_parameters_are_unused: diag(6205, ts.DiagnosticCategory.Error, "All_type_parameters_are_unused_6205", "All type parameters are unused."),
+        package_json_has_a_typesVersions_field_with_version_specific_path_mappings: diag(6206, ts.DiagnosticCategory.Message, "package_json_has_a_typesVersions_field_with_version_specific_path_mappings_6206", "'package.json' has a 'typesVersions' field with version-specific path mappings."),
+        package_json_does_not_have_a_typesVersions_entry_that_matches_version_0: diag(6207, ts.DiagnosticCategory.Message, "package_json_does_not_have_a_typesVersions_entry_that_matches_version_0_6207", "'package.json' does not have a 'typesVersions' entry that matches version '{0}'."),
+        package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_match_module_name_2: diag(6208, ts.DiagnosticCategory.Message, "package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_ma_6208", "'package.json' has a 'typesVersions' entry '{0}' that matches compiler version '{1}', looking for a pattern to match module name '{2}'."),
+        package_json_has_a_typesVersions_entry_0_that_is_not_a_valid_semver_range: diag(6209, ts.DiagnosticCategory.Message, "package_json_has_a_typesVersions_entry_0_that_is_not_a_valid_semver_range_6209", "'package.json' has a 'typesVersions' entry '{0}' that is not a valid semver range."),
+        An_argument_for_0_was_not_provided: diag(6210, ts.DiagnosticCategory.Message, "An_argument_for_0_was_not_provided_6210", "An argument for '{0}' was not provided."),
+        An_argument_matching_this_binding_pattern_was_not_provided: diag(6211, ts.DiagnosticCategory.Message, "An_argument_matching_this_binding_pattern_was_not_provided_6211", "An argument matching this binding pattern was not provided."),
+        Did_you_mean_to_call_this_expression: diag(6212, ts.DiagnosticCategory.Message, "Did_you_mean_to_call_this_expression_6212", "Did you mean to call this expression?"),
+        Did_you_mean_to_use_new_with_this_expression: diag(6213, ts.DiagnosticCategory.Message, "Did_you_mean_to_use_new_with_this_expression_6213", "Did you mean to use 'new' with this expression?"),
+        Enable_strict_bind_call_and_apply_methods_on_functions: diag(6214, ts.DiagnosticCategory.Message, "Enable_strict_bind_call_and_apply_methods_on_functions_6214", "Enable strict 'bind', 'call', and 'apply' methods on functions."),
+        Using_compiler_options_of_project_reference_redirect_0: diag(6215, ts.DiagnosticCategory.Message, "Using_compiler_options_of_project_reference_redirect_0_6215", "Using compiler options of project reference redirect '{0}'."),
+        Found_1_error: diag(6216, ts.DiagnosticCategory.Message, "Found_1_error_6216", "Found 1 error."),
+        Found_0_errors: diag(6217, ts.DiagnosticCategory.Message, "Found_0_errors_6217", "Found {0} errors."),
+        Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2: diag(6218, ts.DiagnosticCategory.Message, "Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2_6218", "======== Module name '{0}' was successfully resolved to '{1}' with Package ID '{2}'. ========"),
+        Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3: diag(6219, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3_6219", "======== Type reference directive '{0}' was successfully resolved to '{1}' with Package ID '{2}', primary: {3}. ========"),
+        package_json_had_a_falsy_0_field: diag(6220, ts.DiagnosticCategory.Message, "package_json_had_a_falsy_0_field_6220", "'package.json' had a falsy '{0}' field."),
+        Disable_use_of_source_files_instead_of_declaration_files_from_referenced_projects: diag(6221, ts.DiagnosticCategory.Message, "Disable_use_of_source_files_instead_of_declaration_files_from_referenced_projects_6221", "Disable use of source files instead of declaration files from referenced projects."),
+        Emit_class_fields_with_Define_instead_of_Set: diag(6222, ts.DiagnosticCategory.Message, "Emit_class_fields_with_Define_instead_of_Set_6222", "Emit class fields with Define instead of Set."),
+        Generates_a_CPU_profile: diag(6223, ts.DiagnosticCategory.Message, "Generates_a_CPU_profile_6223", "Generates a CPU profile."),
+        Disable_solution_searching_for_this_project: diag(6224, ts.DiagnosticCategory.Message, "Disable_solution_searching_for_this_project_6224", "Disable solution searching for this project."),
+        Specify_strategy_for_watching_file_Colon_FixedPollingInterval_default_PriorityPollingInterval_DynamicPriorityPolling_FixedChunkSizePolling_UseFsEvents_UseFsEventsOnParentDirectory: diag(6225, ts.DiagnosticCategory.Message, "Specify_strategy_for_watching_file_Colon_FixedPollingInterval_default_PriorityPollingInterval_Dynami_6225", "Specify strategy for watching file: 'FixedPollingInterval' (default), 'PriorityPollingInterval', 'DynamicPriorityPolling', 'FixedChunkSizePolling', 'UseFsEvents', 'UseFsEventsOnParentDirectory'."),
+        Specify_strategy_for_watching_directory_on_platforms_that_don_t_support_recursive_watching_natively_Colon_UseFsEvents_default_FixedPollingInterval_DynamicPriorityPolling_FixedChunkSizePolling: diag(6226, ts.DiagnosticCategory.Message, "Specify_strategy_for_watching_directory_on_platforms_that_don_t_support_recursive_watching_natively__6226", "Specify strategy for watching directory on platforms that don't support recursive watching natively: 'UseFsEvents' (default), 'FixedPollingInterval', 'DynamicPriorityPolling', 'FixedChunkSizePolling'."),
+        Specify_strategy_for_creating_a_polling_watch_when_it_fails_to_create_using_file_system_events_Colon_FixedInterval_default_PriorityInterval_DynamicPriority_FixedChunkSize: diag(6227, ts.DiagnosticCategory.Message, "Specify_strategy_for_creating_a_polling_watch_when_it_fails_to_create_using_file_system_events_Colon_6227", "Specify strategy for creating a polling watch when it fails to create using file system events: 'FixedInterval' (default), 'PriorityInterval', 'DynamicPriority', 'FixedChunkSize'."),
+        Tag_0_expects_at_least_1_arguments_but_the_JSX_factory_2_provides_at_most_3: diag(6229, ts.DiagnosticCategory.Error, "Tag_0_expects_at_least_1_arguments_but_the_JSX_factory_2_provides_at_most_3_6229", "Tag '{0}' expects at least '{1}' arguments, but the JSX factory '{2}' provides at most '{3}'."),
+        Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_false_or_null_on_command_line: diag(6230, ts.DiagnosticCategory.Error, "Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_false_or_null_on_command_line_6230", "Option '{0}' can only be specified in 'tsconfig.json' file or set to 'false' or 'null' on command line."),
+        Could_not_resolve_the_path_0_with_the_extensions_Colon_1: diag(6231, ts.DiagnosticCategory.Error, "Could_not_resolve_the_path_0_with_the_extensions_Colon_1_6231", "Could not resolve the path '{0}' with the extensions: {1}."),
+        Declaration_augments_declaration_in_another_file_This_cannot_be_serialized: diag(6232, ts.DiagnosticCategory.Error, "Declaration_augments_declaration_in_another_file_This_cannot_be_serialized_6232", "Declaration augments declaration in another file. This cannot be serialized."),
+        This_is_the_declaration_being_augmented_Consider_moving_the_augmenting_declaration_into_the_same_file: diag(6233, ts.DiagnosticCategory.Error, "This_is_the_declaration_being_augmented_Consider_moving_the_augmenting_declaration_into_the_same_fil_6233", "This is the declaration being augmented. Consider moving the augmenting declaration into the same file."),
+        This_expression_is_not_callable_because_it_is_a_get_accessor_Did_you_mean_to_use_it_without: diag(6234, ts.DiagnosticCategory.Error, "This_expression_is_not_callable_because_it_is_a_get_accessor_Did_you_mean_to_use_it_without_6234", "This expression is not callable because it is a 'get' accessor. Did you mean to use it without '()'?"),
+        Disable_loading_referenced_projects: diag(6235, ts.DiagnosticCategory.Message, "Disable_loading_referenced_projects_6235", "Disable loading referenced projects."),
+        Arguments_for_the_rest_parameter_0_were_not_provided: diag(6236, ts.DiagnosticCategory.Error, "Arguments_for_the_rest_parameter_0_were_not_provided_6236", "Arguments for the rest parameter '{0}' were not provided."),
+        Generates_an_event_trace_and_a_list_of_types: diag(6237, ts.DiagnosticCategory.Message, "Generates_an_event_trace_and_a_list_of_types_6237", "Generates an event trace and a list of types."),
+        Specify_the_module_specifier_to_be_used_to_import_the_jsx_and_jsxs_factory_functions_from_eg_react: diag(6238, ts.DiagnosticCategory.Error, "Specify_the_module_specifier_to_be_used_to_import_the_jsx_and_jsxs_factory_functions_from_eg_react_6238", "Specify the module specifier to be used to import the 'jsx' and 'jsxs' factory functions from. eg, react"),
+        File_0_exists_according_to_earlier_cached_lookups: diag(6239, ts.DiagnosticCategory.Message, "File_0_exists_according_to_earlier_cached_lookups_6239", "File '{0}' exists according to earlier cached lookups."),
+        File_0_does_not_exist_according_to_earlier_cached_lookups: diag(6240, ts.DiagnosticCategory.Message, "File_0_does_not_exist_according_to_earlier_cached_lookups_6240", "File '{0}' does not exist according to earlier cached lookups."),
+        Resolution_for_type_reference_directive_0_was_found_in_cache_from_location_1: diag(6241, ts.DiagnosticCategory.Message, "Resolution_for_type_reference_directive_0_was_found_in_cache_from_location_1_6241", "Resolution for type reference directive '{0}' was found in cache from location '{1}'."),
+        Resolving_type_reference_directive_0_containing_file_1: diag(6242, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_6242", "======== Resolving type reference directive '{0}', containing file '{1}'. ========"),
+        Interpret_optional_property_types_as_written_rather_than_adding_undefined: diag(6243, ts.DiagnosticCategory.Message, "Interpret_optional_property_types_as_written_rather_than_adding_undefined_6243", "Interpret optional property types as written, rather than adding 'undefined'."),
+        Modules: diag(6244, ts.DiagnosticCategory.Message, "Modules_6244", "Modules"),
+        File_Management: diag(6245, ts.DiagnosticCategory.Message, "File_Management_6245", "File Management"),
+        Emit: diag(6246, ts.DiagnosticCategory.Message, "Emit_6246", "Emit"),
+        JavaScript_Support: diag(6247, ts.DiagnosticCategory.Message, "JavaScript_Support_6247", "JavaScript Support"),
+        Type_Checking: diag(6248, ts.DiagnosticCategory.Message, "Type_Checking_6248", "Type Checking"),
+        Editor_Support: diag(6249, ts.DiagnosticCategory.Message, "Editor_Support_6249", "Editor Support"),
+        Watch_and_Build_Modes: diag(6250, ts.DiagnosticCategory.Message, "Watch_and_Build_Modes_6250", "Watch and Build Modes"),
+        Compiler_Diagnostics: diag(6251, ts.DiagnosticCategory.Message, "Compiler_Diagnostics_6251", "Compiler Diagnostics"),
+        Interop_Constraints: diag(6252, ts.DiagnosticCategory.Message, "Interop_Constraints_6252", "Interop Constraints"),
+        Backwards_Compatibility: diag(6253, ts.DiagnosticCategory.Message, "Backwards_Compatibility_6253", "Backwards Compatibility"),
+        Language_and_Environment: diag(6254, ts.DiagnosticCategory.Message, "Language_and_Environment_6254", "Language and Environment"),
+        Projects: diag(6255, ts.DiagnosticCategory.Message, "Projects_6255", "Projects"),
+        Output_Formatting: diag(6256, ts.DiagnosticCategory.Message, "Output_Formatting_6256", "Output Formatting"),
+        Completeness: diag(6257, ts.DiagnosticCategory.Message, "Completeness_6257", "Completeness"),
+        _0_should_be_set_inside_the_compilerOptions_object_of_the_config_json_file: diag(6258, ts.DiagnosticCategory.Error, "_0_should_be_set_inside_the_compilerOptions_object_of_the_config_json_file_6258", "'{0}' should be set inside the 'compilerOptions' object of the config json file"),
+        Found_1_error_in_1: diag(6259, ts.DiagnosticCategory.Message, "Found_1_error_in_1_6259", "Found 1 error in {1}"),
+        Found_0_errors_in_the_same_file_starting_at_Colon_1: diag(6260, ts.DiagnosticCategory.Message, "Found_0_errors_in_the_same_file_starting_at_Colon_1_6260", "Found {0} errors in the same file, starting at: {1}"),
+        Found_0_errors_in_1_files: diag(6261, ts.DiagnosticCategory.Message, "Found_0_errors_in_1_files_6261", "Found {0} errors in {1} files."),
+        Directory_0_has_no_containing_package_json_scope_Imports_will_not_resolve: diag(6270, ts.DiagnosticCategory.Message, "Directory_0_has_no_containing_package_json_scope_Imports_will_not_resolve_6270", "Directory '{0}' has no containing package.json scope. Imports will not resolve."),
+        Import_specifier_0_does_not_exist_in_package_json_scope_at_path_1: diag(6271, ts.DiagnosticCategory.Message, "Import_specifier_0_does_not_exist_in_package_json_scope_at_path_1_6271", "Import specifier '{0}' does not exist in package.json scope at path '{1}'."),
+        Invalid_import_specifier_0_has_no_possible_resolutions: diag(6272, ts.DiagnosticCategory.Message, "Invalid_import_specifier_0_has_no_possible_resolutions_6272", "Invalid import specifier '{0}' has no possible resolutions."),
+        package_json_scope_0_has_no_imports_defined: diag(6273, ts.DiagnosticCategory.Message, "package_json_scope_0_has_no_imports_defined_6273", "package.json scope '{0}' has no imports defined."),
+        package_json_scope_0_explicitly_maps_specifier_1_to_null: diag(6274, ts.DiagnosticCategory.Message, "package_json_scope_0_explicitly_maps_specifier_1_to_null_6274", "package.json scope '{0}' explicitly maps specifier '{1}' to null."),
+        package_json_scope_0_has_invalid_type_for_target_of_specifier_1: diag(6275, ts.DiagnosticCategory.Message, "package_json_scope_0_has_invalid_type_for_target_of_specifier_1_6275", "package.json scope '{0}' has invalid type for target of specifier '{1}'"),
+        Export_specifier_0_does_not_exist_in_package_json_scope_at_path_1: diag(6276, ts.DiagnosticCategory.Message, "Export_specifier_0_does_not_exist_in_package_json_scope_at_path_1_6276", "Export specifier '{0}' does not exist in package.json scope at path '{1}'."),
+        Enable_project_compilation: diag(6302, ts.DiagnosticCategory.Message, "Enable_project_compilation_6302", "Enable project compilation"),
+        Composite_projects_may_not_disable_declaration_emit: diag(6304, ts.DiagnosticCategory.Error, "Composite_projects_may_not_disable_declaration_emit_6304", "Composite projects may not disable declaration emit."),
+        Output_file_0_has_not_been_built_from_source_file_1: diag(6305, ts.DiagnosticCategory.Error, "Output_file_0_has_not_been_built_from_source_file_1_6305", "Output file '{0}' has not been built from source file '{1}'."),
+        Referenced_project_0_must_have_setting_composite_Colon_true: diag(6306, ts.DiagnosticCategory.Error, "Referenced_project_0_must_have_setting_composite_Colon_true_6306", "Referenced project '{0}' must have setting \"composite\": true."),
+        File_0_is_not_listed_within_the_file_list_of_project_1_Projects_must_list_all_files_or_use_an_include_pattern: diag(6307, ts.DiagnosticCategory.Error, "File_0_is_not_listed_within_the_file_list_of_project_1_Projects_must_list_all_files_or_use_an_includ_6307", "File '{0}' is not listed within the file list of project '{1}'. Projects must list all files or use an 'include' pattern."),
+        Cannot_prepend_project_0_because_it_does_not_have_outFile_set: diag(6308, ts.DiagnosticCategory.Error, "Cannot_prepend_project_0_because_it_does_not_have_outFile_set_6308", "Cannot prepend project '{0}' because it does not have 'outFile' set"),
+        Output_file_0_from_project_1_does_not_exist: diag(6309, ts.DiagnosticCategory.Error, "Output_file_0_from_project_1_does_not_exist_6309", "Output file '{0}' from project '{1}' does not exist"),
+        Referenced_project_0_may_not_disable_emit: diag(6310, ts.DiagnosticCategory.Error, "Referenced_project_0_may_not_disable_emit_6310", "Referenced project '{0}' may not disable emit."),
+        Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2: diag(6350, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2_6350", "Project '{0}' is out of date because oldest output '{1}' is older than newest input '{2}'"),
+        Project_0_is_up_to_date_because_newest_input_1_is_older_than_oldest_output_2: diag(6351, ts.DiagnosticCategory.Message, "Project_0_is_up_to_date_because_newest_input_1_is_older_than_oldest_output_2_6351", "Project '{0}' is up to date because newest input '{1}' is older than oldest output '{2}'"),
+        Project_0_is_out_of_date_because_output_file_1_does_not_exist: diag(6352, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_output_file_1_does_not_exist_6352", "Project '{0}' is out of date because output file '{1}' does not exist"),
+        Project_0_is_out_of_date_because_its_dependency_1_is_out_of_date: diag(6353, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_its_dependency_1_is_out_of_date_6353", "Project '{0}' is out of date because its dependency '{1}' is out of date"),
+        Project_0_is_up_to_date_with_d_ts_files_from_its_dependencies: diag(6354, ts.DiagnosticCategory.Message, "Project_0_is_up_to_date_with_d_ts_files_from_its_dependencies_6354", "Project '{0}' is up to date with .d.ts files from its dependencies"),
+        Projects_in_this_build_Colon_0: diag(6355, ts.DiagnosticCategory.Message, "Projects_in_this_build_Colon_0_6355", "Projects in this build: {0}"),
+        A_non_dry_build_would_delete_the_following_files_Colon_0: diag(6356, ts.DiagnosticCategory.Message, "A_non_dry_build_would_delete_the_following_files_Colon_0_6356", "A non-dry build would delete the following files: {0}"),
+        A_non_dry_build_would_build_project_0: diag(6357, ts.DiagnosticCategory.Message, "A_non_dry_build_would_build_project_0_6357", "A non-dry build would build project '{0}'"),
+        Building_project_0: diag(6358, ts.DiagnosticCategory.Message, "Building_project_0_6358", "Building project '{0}'..."),
+        Updating_output_timestamps_of_project_0: diag(6359, ts.DiagnosticCategory.Message, "Updating_output_timestamps_of_project_0_6359", "Updating output timestamps of project '{0}'..."),
+        Project_0_is_up_to_date: diag(6361, ts.DiagnosticCategory.Message, "Project_0_is_up_to_date_6361", "Project '{0}' is up to date"),
+        Skipping_build_of_project_0_because_its_dependency_1_has_errors: diag(6362, ts.DiagnosticCategory.Message, "Skipping_build_of_project_0_because_its_dependency_1_has_errors_6362", "Skipping build of project '{0}' because its dependency '{1}' has errors"),
+        Project_0_can_t_be_built_because_its_dependency_1_has_errors: diag(6363, ts.DiagnosticCategory.Message, "Project_0_can_t_be_built_because_its_dependency_1_has_errors_6363", "Project '{0}' can't be built because its dependency '{1}' has errors"),
+        Build_one_or_more_projects_and_their_dependencies_if_out_of_date: diag(6364, ts.DiagnosticCategory.Message, "Build_one_or_more_projects_and_their_dependencies_if_out_of_date_6364", "Build one or more projects and their dependencies, if out of date"),
+        Delete_the_outputs_of_all_projects: diag(6365, ts.DiagnosticCategory.Message, "Delete_the_outputs_of_all_projects_6365", "Delete the outputs of all projects."),
+        Show_what_would_be_built_or_deleted_if_specified_with_clean: diag(6367, ts.DiagnosticCategory.Message, "Show_what_would_be_built_or_deleted_if_specified_with_clean_6367", "Show what would be built (or deleted, if specified with '--clean')"),
+        Option_build_must_be_the_first_command_line_argument: diag(6369, ts.DiagnosticCategory.Error, "Option_build_must_be_the_first_command_line_argument_6369", "Option '--build' must be the first command line argument."),
+        Options_0_and_1_cannot_be_combined: diag(6370, ts.DiagnosticCategory.Error, "Options_0_and_1_cannot_be_combined_6370", "Options '{0}' and '{1}' cannot be combined."),
+        Updating_unchanged_output_timestamps_of_project_0: diag(6371, ts.DiagnosticCategory.Message, "Updating_unchanged_output_timestamps_of_project_0_6371", "Updating unchanged output timestamps of project '{0}'..."),
+        Project_0_is_out_of_date_because_output_of_its_dependency_1_has_changed: diag(6372, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_output_of_its_dependency_1_has_changed_6372", "Project '{0}' is out of date because output of its dependency '{1}' has changed"),
+        Updating_output_of_project_0: diag(6373, ts.DiagnosticCategory.Message, "Updating_output_of_project_0_6373", "Updating output of project '{0}'..."),
+        A_non_dry_build_would_update_timestamps_for_output_of_project_0: diag(6374, ts.DiagnosticCategory.Message, "A_non_dry_build_would_update_timestamps_for_output_of_project_0_6374", "A non-dry build would update timestamps for output of project '{0}'"),
+        A_non_dry_build_would_update_output_of_project_0: diag(6375, ts.DiagnosticCategory.Message, "A_non_dry_build_would_update_output_of_project_0_6375", "A non-dry build would update output of project '{0}'"),
+        Cannot_update_output_of_project_0_because_there_was_error_reading_file_1: diag(6376, ts.DiagnosticCategory.Message, "Cannot_update_output_of_project_0_because_there_was_error_reading_file_1_6376", "Cannot update output of project '{0}' because there was error reading file '{1}'"),
+        Cannot_write_file_0_because_it_will_overwrite_tsbuildinfo_file_generated_by_referenced_project_1: diag(6377, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_will_overwrite_tsbuildinfo_file_generated_by_referenced_project_1_6377", "Cannot write file '{0}' because it will overwrite '.tsbuildinfo' file generated by referenced project '{1}'"),
+        Composite_projects_may_not_disable_incremental_compilation: diag(6379, ts.DiagnosticCategory.Error, "Composite_projects_may_not_disable_incremental_compilation_6379", "Composite projects may not disable incremental compilation."),
+        Specify_file_to_store_incremental_compilation_information: diag(6380, ts.DiagnosticCategory.Message, "Specify_file_to_store_incremental_compilation_information_6380", "Specify file to store incremental compilation information"),
+        Project_0_is_out_of_date_because_output_for_it_was_generated_with_version_1_that_differs_with_current_version_2: diag(6381, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_output_for_it_was_generated_with_version_1_that_differs_with_curren_6381", "Project '{0}' is out of date because output for it was generated with version '{1}' that differs with current version '{2}'"),
+        Skipping_build_of_project_0_because_its_dependency_1_was_not_built: diag(6382, ts.DiagnosticCategory.Message, "Skipping_build_of_project_0_because_its_dependency_1_was_not_built_6382", "Skipping build of project '{0}' because its dependency '{1}' was not built"),
+        Project_0_can_t_be_built_because_its_dependency_1_was_not_built: diag(6383, ts.DiagnosticCategory.Message, "Project_0_can_t_be_built_because_its_dependency_1_was_not_built_6383", "Project '{0}' can't be built because its dependency '{1}' was not built"),
+        Have_recompiles_in_incremental_and_watch_assume_that_changes_within_a_file_will_only_affect_files_directly_depending_on_it: diag(6384, ts.DiagnosticCategory.Message, "Have_recompiles_in_incremental_and_watch_assume_that_changes_within_a_file_will_only_affect_files_di_6384", "Have recompiles in '--incremental' and '--watch' assume that changes within a file will only affect files directly depending on it."),
+        _0_is_deprecated: diag(6385, ts.DiagnosticCategory.Suggestion, "_0_is_deprecated_6385", "'{0}' is deprecated.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ undefined, /*reportsDeprecated*/ true),
+        Performance_timings_for_diagnostics_or_extendedDiagnostics_are_not_available_in_this_session_A_native_implementation_of_the_Web_Performance_API_could_not_be_found: diag(6386, ts.DiagnosticCategory.Message, "Performance_timings_for_diagnostics_or_extendedDiagnostics_are_not_available_in_this_session_A_nativ_6386", "Performance timings for '--diagnostics' or '--extendedDiagnostics' are not available in this session. A native implementation of the Web Performance API could not be found."),
+        The_signature_0_of_1_is_deprecated: diag(6387, ts.DiagnosticCategory.Suggestion, "The_signature_0_of_1_is_deprecated_6387", "The signature '{0}' of '{1}' is deprecated.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ undefined, /*reportsDeprecated*/ true),
+        Project_0_is_being_forcibly_rebuilt: diag(6388, ts.DiagnosticCategory.Message, "Project_0_is_being_forcibly_rebuilt_6388", "Project '{0}' is being forcibly rebuilt"),
+        Reusing_resolution_of_module_0_from_1_of_old_program_it_was_not_resolved: diag(6389, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_from_1_of_old_program_it_was_not_resolved_6389", "Reusing resolution of module '{0}' from '{1}' of old program, it was not resolved."),
+        Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_successfully_resolved_to_2: diag(6390, ts.DiagnosticCategory.Message, "Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_successfully_resolved__6390", "Reusing resolution of type reference directive '{0}' from '{1}' of old program, it was successfully resolved to '{2}'."),
+        Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_successfully_resolved_to_2_with_Package_ID_3: diag(6391, ts.DiagnosticCategory.Message, "Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_successfully_resolved__6391", "Reusing resolution of type reference directive '{0}' from '{1}' of old program, it was successfully resolved to '{2}' with Package ID '{3}'."),
+        Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_not_resolved: diag(6392, ts.DiagnosticCategory.Message, "Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_not_resolved_6392", "Reusing resolution of type reference directive '{0}' from '{1}' of old program, it was not resolved."),
+        Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3: diag(6393, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_6393", "Reusing resolution of module '{0}' from '{1}' found in cache from location '{2}', it was successfully resolved to '{3}'."),
+        Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3_with_Package_ID_4: diag(6394, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_6394", "Reusing resolution of module '{0}' from '{1}' found in cache from location '{2}', it was successfully resolved to '{3}' with Package ID '{4}'."),
+        Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_not_resolved: diag(6395, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_not_resolved_6395", "Reusing resolution of module '{0}' from '{1}' found in cache from location '{2}', it was not resolved."),
+        Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3: diag(6396, ts.DiagnosticCategory.Message, "Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_succes_6396", "Reusing resolution of type reference directive '{0}' from '{1}' found in cache from location '{2}', it was successfully resolved to '{3}'."),
+        Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3_with_Package_ID_4: diag(6397, ts.DiagnosticCategory.Message, "Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_succes_6397", "Reusing resolution of type reference directive '{0}' from '{1}' found in cache from location '{2}', it was successfully resolved to '{3}' with Package ID '{4}'."),
+        Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_not_resolved: diag(6398, ts.DiagnosticCategory.Message, "Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_not_re_6398", "Reusing resolution of type reference directive '{0}' from '{1}' found in cache from location '{2}', it was not resolved."),
+        The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1: diag(6500, ts.DiagnosticCategory.Message, "The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1_6500", "The expected type comes from property '{0}' which is declared here on type '{1}'"),
+        The_expected_type_comes_from_this_index_signature: diag(6501, ts.DiagnosticCategory.Message, "The_expected_type_comes_from_this_index_signature_6501", "The expected type comes from this index signature."),
+        The_expected_type_comes_from_the_return_type_of_this_signature: diag(6502, ts.DiagnosticCategory.Message, "The_expected_type_comes_from_the_return_type_of_this_signature_6502", "The expected type comes from the return type of this signature."),
+        Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing: diag(6503, ts.DiagnosticCategory.Message, "Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing_6503", "Print names of files that are part of the compilation and then stop processing."),
+        File_0_is_a_JavaScript_file_Did_you_mean_to_enable_the_allowJs_option: diag(6504, ts.DiagnosticCategory.Error, "File_0_is_a_JavaScript_file_Did_you_mean_to_enable_the_allowJs_option_6504", "File '{0}' is a JavaScript file. Did you mean to enable the 'allowJs' option?"),
+        Print_names_of_files_and_the_reason_they_are_part_of_the_compilation: diag(6505, ts.DiagnosticCategory.Message, "Print_names_of_files_and_the_reason_they_are_part_of_the_compilation_6505", "Print names of files and the reason they are part of the compilation."),
+        Consider_adding_a_declare_modifier_to_this_class: diag(6506, ts.DiagnosticCategory.Message, "Consider_adding_a_declare_modifier_to_this_class_6506", "Consider adding a 'declare' modifier to this class."),
+        Allow_JavaScript_files_to_be_a_part_of_your_program_Use_the_checkJS_option_to_get_errors_from_these_files: diag(6600, ts.DiagnosticCategory.Message, "Allow_JavaScript_files_to_be_a_part_of_your_program_Use_the_checkJS_option_to_get_errors_from_these__6600", "Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files."),
+        Allow_import_x_from_y_when_a_module_doesn_t_have_a_default_export: diag(6601, ts.DiagnosticCategory.Message, "Allow_import_x_from_y_when_a_module_doesn_t_have_a_default_export_6601", "Allow 'import x from y' when a module doesn't have a default export."),
+        Allow_accessing_UMD_globals_from_modules: diag(6602, ts.DiagnosticCategory.Message, "Allow_accessing_UMD_globals_from_modules_6602", "Allow accessing UMD globals from modules."),
+        Disable_error_reporting_for_unreachable_code: diag(6603, ts.DiagnosticCategory.Message, "Disable_error_reporting_for_unreachable_code_6603", "Disable error reporting for unreachable code."),
+        Disable_error_reporting_for_unused_labels: diag(6604, ts.DiagnosticCategory.Message, "Disable_error_reporting_for_unused_labels_6604", "Disable error reporting for unused labels."),
+        Ensure_use_strict_is_always_emitted: diag(6605, ts.DiagnosticCategory.Message, "Ensure_use_strict_is_always_emitted_6605", "Ensure 'use strict' is always emitted."),
+        Have_recompiles_in_projects_that_use_incremental_and_watch_mode_assume_that_changes_within_a_file_will_only_affect_files_directly_depending_on_it: diag(6606, ts.DiagnosticCategory.Message, "Have_recompiles_in_projects_that_use_incremental_and_watch_mode_assume_that_changes_within_a_file_wi_6606", "Have recompiles in projects that use 'incremental' and 'watch' mode assume that changes within a file will only affect files directly depending on it."),
+        Specify_the_base_directory_to_resolve_non_relative_module_names: diag(6607, ts.DiagnosticCategory.Message, "Specify_the_base_directory_to_resolve_non_relative_module_names_6607", "Specify the base directory to resolve non-relative module names."),
+        No_longer_supported_In_early_versions_manually_set_the_text_encoding_for_reading_files: diag(6608, ts.DiagnosticCategory.Message, "No_longer_supported_In_early_versions_manually_set_the_text_encoding_for_reading_files_6608", "No longer supported. In early versions, manually set the text encoding for reading files."),
+        Enable_error_reporting_in_type_checked_JavaScript_files: diag(6609, ts.DiagnosticCategory.Message, "Enable_error_reporting_in_type_checked_JavaScript_files_6609", "Enable error reporting in type-checked JavaScript files."),
+        Enable_constraints_that_allow_a_TypeScript_project_to_be_used_with_project_references: diag(6611, ts.DiagnosticCategory.Message, "Enable_constraints_that_allow_a_TypeScript_project_to_be_used_with_project_references_6611", "Enable constraints that allow a TypeScript project to be used with project references."),
+        Generate_d_ts_files_from_TypeScript_and_JavaScript_files_in_your_project: diag(6612, ts.DiagnosticCategory.Message, "Generate_d_ts_files_from_TypeScript_and_JavaScript_files_in_your_project_6612", "Generate .d.ts files from TypeScript and JavaScript files in your project."),
+        Specify_the_output_directory_for_generated_declaration_files: diag(6613, ts.DiagnosticCategory.Message, "Specify_the_output_directory_for_generated_declaration_files_6613", "Specify the output directory for generated declaration files."),
+        Create_sourcemaps_for_d_ts_files: diag(6614, ts.DiagnosticCategory.Message, "Create_sourcemaps_for_d_ts_files_6614", "Create sourcemaps for d.ts files."),
+        Output_compiler_performance_information_after_building: diag(6615, ts.DiagnosticCategory.Message, "Output_compiler_performance_information_after_building_6615", "Output compiler performance information after building."),
+        Disables_inference_for_type_acquisition_by_looking_at_filenames_in_a_project: diag(6616, ts.DiagnosticCategory.Message, "Disables_inference_for_type_acquisition_by_looking_at_filenames_in_a_project_6616", "Disables inference for type acquisition by looking at filenames in a project."),
+        Reduce_the_number_of_projects_loaded_automatically_by_TypeScript: diag(6617, ts.DiagnosticCategory.Message, "Reduce_the_number_of_projects_loaded_automatically_by_TypeScript_6617", "Reduce the number of projects loaded automatically by TypeScript."),
+        Remove_the_20mb_cap_on_total_source_code_size_for_JavaScript_files_in_the_TypeScript_language_server: diag(6618, ts.DiagnosticCategory.Message, "Remove_the_20mb_cap_on_total_source_code_size_for_JavaScript_files_in_the_TypeScript_language_server_6618", "Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server."),
+        Opt_a_project_out_of_multi_project_reference_checking_when_editing: diag(6619, ts.DiagnosticCategory.Message, "Opt_a_project_out_of_multi_project_reference_checking_when_editing_6619", "Opt a project out of multi-project reference checking when editing."),
+        Disable_preferring_source_files_instead_of_declaration_files_when_referencing_composite_projects: diag(6620, ts.DiagnosticCategory.Message, "Disable_preferring_source_files_instead_of_declaration_files_when_referencing_composite_projects_6620", "Disable preferring source files instead of declaration files when referencing composite projects."),
+        Emit_more_compliant_but_verbose_and_less_performant_JavaScript_for_iteration: diag(6621, ts.DiagnosticCategory.Message, "Emit_more_compliant_but_verbose_and_less_performant_JavaScript_for_iteration_6621", "Emit more compliant, but verbose and less performant JavaScript for iteration."),
+        Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files: diag(6622, ts.DiagnosticCategory.Message, "Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files_6622", "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files."),
+        Only_output_d_ts_files_and_not_JavaScript_files: diag(6623, ts.DiagnosticCategory.Message, "Only_output_d_ts_files_and_not_JavaScript_files_6623", "Only output d.ts files and not JavaScript files."),
+        Emit_design_type_metadata_for_decorated_declarations_in_source_files: diag(6624, ts.DiagnosticCategory.Message, "Emit_design_type_metadata_for_decorated_declarations_in_source_files_6624", "Emit design-type metadata for decorated declarations in source files."),
+        Disable_the_type_acquisition_for_JavaScript_projects: diag(6625, ts.DiagnosticCategory.Message, "Disable_the_type_acquisition_for_JavaScript_projects_6625", "Disable the type acquisition for JavaScript projects"),
+        Emit_additional_JavaScript_to_ease_support_for_importing_CommonJS_modules_This_enables_allowSyntheticDefaultImports_for_type_compatibility: diag(6626, ts.DiagnosticCategory.Message, "Emit_additional_JavaScript_to_ease_support_for_importing_CommonJS_modules_This_enables_allowSyntheti_6626", "Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility."),
+        Filters_results_from_the_include_option: diag(6627, ts.DiagnosticCategory.Message, "Filters_results_from_the_include_option_6627", "Filters results from the `include` option."),
+        Remove_a_list_of_directories_from_the_watch_process: diag(6628, ts.DiagnosticCategory.Message, "Remove_a_list_of_directories_from_the_watch_process_6628", "Remove a list of directories from the watch process."),
+        Remove_a_list_of_files_from_the_watch_mode_s_processing: diag(6629, ts.DiagnosticCategory.Message, "Remove_a_list_of_files_from_the_watch_mode_s_processing_6629", "Remove a list of files from the watch mode's processing."),
+        Enable_experimental_support_for_TC39_stage_2_draft_decorators: diag(6630, ts.DiagnosticCategory.Message, "Enable_experimental_support_for_TC39_stage_2_draft_decorators_6630", "Enable experimental support for TC39 stage 2 draft decorators."),
+        Print_files_read_during_the_compilation_including_why_it_was_included: diag(6631, ts.DiagnosticCategory.Message, "Print_files_read_during_the_compilation_including_why_it_was_included_6631", "Print files read during the compilation including why it was included."),
+        Output_more_detailed_compiler_performance_information_after_building: diag(6632, ts.DiagnosticCategory.Message, "Output_more_detailed_compiler_performance_information_after_building_6632", "Output more detailed compiler performance information after building."),
+        Specify_one_or_more_path_or_node_module_references_to_base_configuration_files_from_which_settings_are_inherited: diag(6633, ts.DiagnosticCategory.Message, "Specify_one_or_more_path_or_node_module_references_to_base_configuration_files_from_which_settings_a_6633", "Specify one or more path or node module references to base configuration files from which settings are inherited."),
+        Specify_what_approach_the_watcher_should_use_if_the_system_runs_out_of_native_file_watchers: diag(6634, ts.DiagnosticCategory.Message, "Specify_what_approach_the_watcher_should_use_if_the_system_runs_out_of_native_file_watchers_6634", "Specify what approach the watcher should use if the system runs out of native file watchers."),
+        Include_a_list_of_files_This_does_not_support_glob_patterns_as_opposed_to_include: diag(6635, ts.DiagnosticCategory.Message, "Include_a_list_of_files_This_does_not_support_glob_patterns_as_opposed_to_include_6635", "Include a list of files. This does not support glob patterns, as opposed to `include`."),
+        Build_all_projects_including_those_that_appear_to_be_up_to_date: diag(6636, ts.DiagnosticCategory.Message, "Build_all_projects_including_those_that_appear_to_be_up_to_date_6636", "Build all projects, including those that appear to be up to date."),
+        Ensure_that_casing_is_correct_in_imports: diag(6637, ts.DiagnosticCategory.Message, "Ensure_that_casing_is_correct_in_imports_6637", "Ensure that casing is correct in imports."),
+        Emit_a_v8_CPU_profile_of_the_compiler_run_for_debugging: diag(6638, ts.DiagnosticCategory.Message, "Emit_a_v8_CPU_profile_of_the_compiler_run_for_debugging_6638", "Emit a v8 CPU profile of the compiler run for debugging."),
+        Allow_importing_helper_functions_from_tslib_once_per_project_instead_of_including_them_per_file: diag(6639, ts.DiagnosticCategory.Message, "Allow_importing_helper_functions_from_tslib_once_per_project_instead_of_including_them_per_file_6639", "Allow importing helper functions from tslib once per project, instead of including them per-file."),
+        Specify_a_list_of_glob_patterns_that_match_files_to_be_included_in_compilation: diag(6641, ts.DiagnosticCategory.Message, "Specify_a_list_of_glob_patterns_that_match_files_to_be_included_in_compilation_6641", "Specify a list of glob patterns that match files to be included in compilation."),
+        Save_tsbuildinfo_files_to_allow_for_incremental_compilation_of_projects: diag(6642, ts.DiagnosticCategory.Message, "Save_tsbuildinfo_files_to_allow_for_incremental_compilation_of_projects_6642", "Save .tsbuildinfo files to allow for incremental compilation of projects."),
+        Include_sourcemap_files_inside_the_emitted_JavaScript: diag(6643, ts.DiagnosticCategory.Message, "Include_sourcemap_files_inside_the_emitted_JavaScript_6643", "Include sourcemap files inside the emitted JavaScript."),
+        Include_source_code_in_the_sourcemaps_inside_the_emitted_JavaScript: diag(6644, ts.DiagnosticCategory.Message, "Include_source_code_in_the_sourcemaps_inside_the_emitted_JavaScript_6644", "Include source code in the sourcemaps inside the emitted JavaScript."),
+        Ensure_that_each_file_can_be_safely_transpiled_without_relying_on_other_imports: diag(6645, ts.DiagnosticCategory.Message, "Ensure_that_each_file_can_be_safely_transpiled_without_relying_on_other_imports_6645", "Ensure that each file can be safely transpiled without relying on other imports."),
+        Specify_what_JSX_code_is_generated: diag(6646, ts.DiagnosticCategory.Message, "Specify_what_JSX_code_is_generated_6646", "Specify what JSX code is generated."),
+        Specify_the_JSX_factory_function_used_when_targeting_React_JSX_emit_e_g_React_createElement_or_h: diag(6647, ts.DiagnosticCategory.Message, "Specify_the_JSX_factory_function_used_when_targeting_React_JSX_emit_e_g_React_createElement_or_h_6647", "Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'."),
+        Specify_the_JSX_Fragment_reference_used_for_fragments_when_targeting_React_JSX_emit_e_g_React_Fragment_or_Fragment: diag(6648, ts.DiagnosticCategory.Message, "Specify_the_JSX_Fragment_reference_used_for_fragments_when_targeting_React_JSX_emit_e_g_React_Fragme_6648", "Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'."),
+        Specify_module_specifier_used_to_import_the_JSX_factory_functions_when_using_jsx_Colon_react_jsx_Asterisk: diag(6649, ts.DiagnosticCategory.Message, "Specify_module_specifier_used_to_import_the_JSX_factory_functions_when_using_jsx_Colon_react_jsx_Ast_6649", "Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'."),
+        Make_keyof_only_return_strings_instead_of_string_numbers_or_symbols_Legacy_option: diag(6650, ts.DiagnosticCategory.Message, "Make_keyof_only_return_strings_instead_of_string_numbers_or_symbols_Legacy_option_6650", "Make keyof only return strings instead of string, numbers or symbols. Legacy option."),
+        Specify_a_set_of_bundled_library_declaration_files_that_describe_the_target_runtime_environment: diag(6651, ts.DiagnosticCategory.Message, "Specify_a_set_of_bundled_library_declaration_files_that_describe_the_target_runtime_environment_6651", "Specify a set of bundled library declaration files that describe the target runtime environment."),
+        Print_the_names_of_emitted_files_after_a_compilation: diag(6652, ts.DiagnosticCategory.Message, "Print_the_names_of_emitted_files_after_a_compilation_6652", "Print the names of emitted files after a compilation."),
+        Print_all_of_the_files_read_during_the_compilation: diag(6653, ts.DiagnosticCategory.Message, "Print_all_of_the_files_read_during_the_compilation_6653", "Print all of the files read during the compilation."),
+        Set_the_language_of_the_messaging_from_TypeScript_This_does_not_affect_emit: diag(6654, ts.DiagnosticCategory.Message, "Set_the_language_of_the_messaging_from_TypeScript_This_does_not_affect_emit_6654", "Set the language of the messaging from TypeScript. This does not affect emit."),
+        Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: diag(6655, ts.DiagnosticCategory.Message, "Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6655", "Specify the location where debugger should locate map files instead of generated locations."),
+        Specify_the_maximum_folder_depth_used_for_checking_JavaScript_files_from_node_modules_Only_applicable_with_allowJs: diag(6656, ts.DiagnosticCategory.Message, "Specify_the_maximum_folder_depth_used_for_checking_JavaScript_files_from_node_modules_Only_applicabl_6656", "Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'."),
+        Specify_what_module_code_is_generated: diag(6657, ts.DiagnosticCategory.Message, "Specify_what_module_code_is_generated_6657", "Specify what module code is generated."),
+        Specify_how_TypeScript_looks_up_a_file_from_a_given_module_specifier: diag(6658, ts.DiagnosticCategory.Message, "Specify_how_TypeScript_looks_up_a_file_from_a_given_module_specifier_6658", "Specify how TypeScript looks up a file from a given module specifier."),
+        Set_the_newline_character_for_emitting_files: diag(6659, ts.DiagnosticCategory.Message, "Set_the_newline_character_for_emitting_files_6659", "Set the newline character for emitting files."),
+        Disable_emitting_files_from_a_compilation: diag(6660, ts.DiagnosticCategory.Message, "Disable_emitting_files_from_a_compilation_6660", "Disable emitting files from a compilation."),
+        Disable_generating_custom_helper_functions_like_extends_in_compiled_output: diag(6661, ts.DiagnosticCategory.Message, "Disable_generating_custom_helper_functions_like_extends_in_compiled_output_6661", "Disable generating custom helper functions like '__extends' in compiled output."),
+        Disable_emitting_files_if_any_type_checking_errors_are_reported: diag(6662, ts.DiagnosticCategory.Message, "Disable_emitting_files_if_any_type_checking_errors_are_reported_6662", "Disable emitting files if any type checking errors are reported."),
+        Disable_truncating_types_in_error_messages: diag(6663, ts.DiagnosticCategory.Message, "Disable_truncating_types_in_error_messages_6663", "Disable truncating types in error messages."),
+        Enable_error_reporting_for_fallthrough_cases_in_switch_statements: diag(6664, ts.DiagnosticCategory.Message, "Enable_error_reporting_for_fallthrough_cases_in_switch_statements_6664", "Enable error reporting for fallthrough cases in switch statements."),
+        Enable_error_reporting_for_expressions_and_declarations_with_an_implied_any_type: diag(6665, ts.DiagnosticCategory.Message, "Enable_error_reporting_for_expressions_and_declarations_with_an_implied_any_type_6665", "Enable error reporting for expressions and declarations with an implied 'any' type."),
+        Ensure_overriding_members_in_derived_classes_are_marked_with_an_override_modifier: diag(6666, ts.DiagnosticCategory.Message, "Ensure_overriding_members_in_derived_classes_are_marked_with_an_override_modifier_6666", "Ensure overriding members in derived classes are marked with an override modifier."),
+        Enable_error_reporting_for_codepaths_that_do_not_explicitly_return_in_a_function: diag(6667, ts.DiagnosticCategory.Message, "Enable_error_reporting_for_codepaths_that_do_not_explicitly_return_in_a_function_6667", "Enable error reporting for codepaths that do not explicitly return in a function."),
+        Enable_error_reporting_when_this_is_given_the_type_any: diag(6668, ts.DiagnosticCategory.Message, "Enable_error_reporting_when_this_is_given_the_type_any_6668", "Enable error reporting when 'this' is given the type 'any'."),
+        Disable_adding_use_strict_directives_in_emitted_JavaScript_files: diag(6669, ts.DiagnosticCategory.Message, "Disable_adding_use_strict_directives_in_emitted_JavaScript_files_6669", "Disable adding 'use strict' directives in emitted JavaScript files."),
+        Disable_including_any_library_files_including_the_default_lib_d_ts: diag(6670, ts.DiagnosticCategory.Message, "Disable_including_any_library_files_including_the_default_lib_d_ts_6670", "Disable including any library files, including the default lib.d.ts."),
+        Enforces_using_indexed_accessors_for_keys_declared_using_an_indexed_type: diag(6671, ts.DiagnosticCategory.Message, "Enforces_using_indexed_accessors_for_keys_declared_using_an_indexed_type_6671", "Enforces using indexed accessors for keys declared using an indexed type."),
+        Disallow_import_s_require_s_or_reference_s_from_expanding_the_number_of_files_TypeScript_should_add_to_a_project: diag(6672, ts.DiagnosticCategory.Message, "Disallow_import_s_require_s_or_reference_s_from_expanding_the_number_of_files_TypeScript_should_add__6672", "Disallow 'import's, 'require's or ''s from expanding the number of files TypeScript should add to a project."),
+        Disable_strict_checking_of_generic_signatures_in_function_types: diag(6673, ts.DiagnosticCategory.Message, "Disable_strict_checking_of_generic_signatures_in_function_types_6673", "Disable strict checking of generic signatures in function types."),
+        Add_undefined_to_a_type_when_accessed_using_an_index: diag(6674, ts.DiagnosticCategory.Message, "Add_undefined_to_a_type_when_accessed_using_an_index_6674", "Add 'undefined' to a type when accessed using an index."),
+        Enable_error_reporting_when_local_variables_aren_t_read: diag(6675, ts.DiagnosticCategory.Message, "Enable_error_reporting_when_local_variables_aren_t_read_6675", "Enable error reporting when local variables aren't read."),
+        Raise_an_error_when_a_function_parameter_isn_t_read: diag(6676, ts.DiagnosticCategory.Message, "Raise_an_error_when_a_function_parameter_isn_t_read_6676", "Raise an error when a function parameter isn't read."),
+        Deprecated_setting_Use_outFile_instead: diag(6677, ts.DiagnosticCategory.Message, "Deprecated_setting_Use_outFile_instead_6677", "Deprecated setting. Use 'outFile' instead."),
+        Specify_an_output_folder_for_all_emitted_files: diag(6678, ts.DiagnosticCategory.Message, "Specify_an_output_folder_for_all_emitted_files_6678", "Specify an output folder for all emitted files."),
+        Specify_a_file_that_bundles_all_outputs_into_one_JavaScript_file_If_declaration_is_true_also_designates_a_file_that_bundles_all_d_ts_output: diag(6679, ts.DiagnosticCategory.Message, "Specify_a_file_that_bundles_all_outputs_into_one_JavaScript_file_If_declaration_is_true_also_designa_6679", "Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output."),
+        Specify_a_set_of_entries_that_re_map_imports_to_additional_lookup_locations: diag(6680, ts.DiagnosticCategory.Message, "Specify_a_set_of_entries_that_re_map_imports_to_additional_lookup_locations_6680", "Specify a set of entries that re-map imports to additional lookup locations."),
+        Specify_a_list_of_language_service_plugins_to_include: diag(6681, ts.DiagnosticCategory.Message, "Specify_a_list_of_language_service_plugins_to_include_6681", "Specify a list of language service plugins to include."),
+        Disable_erasing_const_enum_declarations_in_generated_code: diag(6682, ts.DiagnosticCategory.Message, "Disable_erasing_const_enum_declarations_in_generated_code_6682", "Disable erasing 'const enum' declarations in generated code."),
+        Disable_resolving_symlinks_to_their_realpath_This_correlates_to_the_same_flag_in_node: diag(6683, ts.DiagnosticCategory.Message, "Disable_resolving_symlinks_to_their_realpath_This_correlates_to_the_same_flag_in_node_6683", "Disable resolving symlinks to their realpath. This correlates to the same flag in node."),
+        Disable_wiping_the_console_in_watch_mode: diag(6684, ts.DiagnosticCategory.Message, "Disable_wiping_the_console_in_watch_mode_6684", "Disable wiping the console in watch mode."),
+        Enable_color_and_formatting_in_TypeScript_s_output_to_make_compiler_errors_easier_to_read: diag(6685, ts.DiagnosticCategory.Message, "Enable_color_and_formatting_in_TypeScript_s_output_to_make_compiler_errors_easier_to_read_6685", "Enable color and formatting in TypeScript's output to make compiler errors easier to read."),
+        Specify_the_object_invoked_for_createElement_This_only_applies_when_targeting_react_JSX_emit: diag(6686, ts.DiagnosticCategory.Message, "Specify_the_object_invoked_for_createElement_This_only_applies_when_targeting_react_JSX_emit_6686", "Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit."),
+        Specify_an_array_of_objects_that_specify_paths_for_projects_Used_in_project_references: diag(6687, ts.DiagnosticCategory.Message, "Specify_an_array_of_objects_that_specify_paths_for_projects_Used_in_project_references_6687", "Specify an array of objects that specify paths for projects. Used in project references."),
+        Disable_emitting_comments: diag(6688, ts.DiagnosticCategory.Message, "Disable_emitting_comments_6688", "Disable emitting comments."),
+        Enable_importing_json_files: diag(6689, ts.DiagnosticCategory.Message, "Enable_importing_json_files_6689", "Enable importing .json files."),
+        Specify_the_root_folder_within_your_source_files: diag(6690, ts.DiagnosticCategory.Message, "Specify_the_root_folder_within_your_source_files_6690", "Specify the root folder within your source files."),
+        Allow_multiple_folders_to_be_treated_as_one_when_resolving_modules: diag(6691, ts.DiagnosticCategory.Message, "Allow_multiple_folders_to_be_treated_as_one_when_resolving_modules_6691", "Allow multiple folders to be treated as one when resolving modules."),
+        Skip_type_checking_d_ts_files_that_are_included_with_TypeScript: diag(6692, ts.DiagnosticCategory.Message, "Skip_type_checking_d_ts_files_that_are_included_with_TypeScript_6692", "Skip type checking .d.ts files that are included with TypeScript."),
+        Skip_type_checking_all_d_ts_files: diag(6693, ts.DiagnosticCategory.Message, "Skip_type_checking_all_d_ts_files_6693", "Skip type checking all .d.ts files."),
+        Create_source_map_files_for_emitted_JavaScript_files: diag(6694, ts.DiagnosticCategory.Message, "Create_source_map_files_for_emitted_JavaScript_files_6694", "Create source map files for emitted JavaScript files."),
+        Specify_the_root_path_for_debuggers_to_find_the_reference_source_code: diag(6695, ts.DiagnosticCategory.Message, "Specify_the_root_path_for_debuggers_to_find_the_reference_source_code_6695", "Specify the root path for debuggers to find the reference source code."),
+        Check_that_the_arguments_for_bind_call_and_apply_methods_match_the_original_function: diag(6697, ts.DiagnosticCategory.Message, "Check_that_the_arguments_for_bind_call_and_apply_methods_match_the_original_function_6697", "Check that the arguments for 'bind', 'call', and 'apply' methods match the original function."),
+        When_assigning_functions_check_to_ensure_parameters_and_the_return_values_are_subtype_compatible: diag(6698, ts.DiagnosticCategory.Message, "When_assigning_functions_check_to_ensure_parameters_and_the_return_values_are_subtype_compatible_6698", "When assigning functions, check to ensure parameters and the return values are subtype-compatible."),
+        When_type_checking_take_into_account_null_and_undefined: diag(6699, ts.DiagnosticCategory.Message, "When_type_checking_take_into_account_null_and_undefined_6699", "When type checking, take into account 'null' and 'undefined'."),
+        Check_for_class_properties_that_are_declared_but_not_set_in_the_constructor: diag(6700, ts.DiagnosticCategory.Message, "Check_for_class_properties_that_are_declared_but_not_set_in_the_constructor_6700", "Check for class properties that are declared but not set in the constructor."),
+        Disable_emitting_declarations_that_have_internal_in_their_JSDoc_comments: diag(6701, ts.DiagnosticCategory.Message, "Disable_emitting_declarations_that_have_internal_in_their_JSDoc_comments_6701", "Disable emitting declarations that have '@internal' in their JSDoc comments."),
+        Disable_reporting_of_excess_property_errors_during_the_creation_of_object_literals: diag(6702, ts.DiagnosticCategory.Message, "Disable_reporting_of_excess_property_errors_during_the_creation_of_object_literals_6702", "Disable reporting of excess property errors during the creation of object literals."),
+        Suppress_noImplicitAny_errors_when_indexing_objects_that_lack_index_signatures: diag(6703, ts.DiagnosticCategory.Message, "Suppress_noImplicitAny_errors_when_indexing_objects_that_lack_index_signatures_6703", "Suppress 'noImplicitAny' errors when indexing objects that lack index signatures."),
+        Synchronously_call_callbacks_and_update_the_state_of_directory_watchers_on_platforms_that_don_t_support_recursive_watching_natively: diag(6704, ts.DiagnosticCategory.Message, "Synchronously_call_callbacks_and_update_the_state_of_directory_watchers_on_platforms_that_don_t_supp_6704", "Synchronously call callbacks and update the state of directory watchers on platforms that don`t support recursive watching natively."),
+        Set_the_JavaScript_language_version_for_emitted_JavaScript_and_include_compatible_library_declarations: diag(6705, ts.DiagnosticCategory.Message, "Set_the_JavaScript_language_version_for_emitted_JavaScript_and_include_compatible_library_declaratio_6705", "Set the JavaScript language version for emitted JavaScript and include compatible library declarations."),
+        Log_paths_used_during_the_moduleResolution_process: diag(6706, ts.DiagnosticCategory.Message, "Log_paths_used_during_the_moduleResolution_process_6706", "Log paths used during the 'moduleResolution' process."),
+        Specify_the_path_to_tsbuildinfo_incremental_compilation_file: diag(6707, ts.DiagnosticCategory.Message, "Specify_the_path_to_tsbuildinfo_incremental_compilation_file_6707", "Specify the path to .tsbuildinfo incremental compilation file."),
+        Specify_options_for_automatic_acquisition_of_declaration_files: diag(6709, ts.DiagnosticCategory.Message, "Specify_options_for_automatic_acquisition_of_declaration_files_6709", "Specify options for automatic acquisition of declaration files."),
+        Specify_multiple_folders_that_act_like_Slashnode_modules_Slash_types: diag(6710, ts.DiagnosticCategory.Message, "Specify_multiple_folders_that_act_like_Slashnode_modules_Slash_types_6710", "Specify multiple folders that act like './node_modules/@types'."),
+        Specify_type_package_names_to_be_included_without_being_referenced_in_a_source_file: diag(6711, ts.DiagnosticCategory.Message, "Specify_type_package_names_to_be_included_without_being_referenced_in_a_source_file_6711", "Specify type package names to be included without being referenced in a source file."),
+        Emit_ECMAScript_standard_compliant_class_fields: diag(6712, ts.DiagnosticCategory.Message, "Emit_ECMAScript_standard_compliant_class_fields_6712", "Emit ECMAScript-standard-compliant class fields."),
+        Enable_verbose_logging: diag(6713, ts.DiagnosticCategory.Message, "Enable_verbose_logging_6713", "Enable verbose logging."),
+        Specify_how_directories_are_watched_on_systems_that_lack_recursive_file_watching_functionality: diag(6714, ts.DiagnosticCategory.Message, "Specify_how_directories_are_watched_on_systems_that_lack_recursive_file_watching_functionality_6714", "Specify how directories are watched on systems that lack recursive file-watching functionality."),
+        Specify_how_the_TypeScript_watch_mode_works: diag(6715, ts.DiagnosticCategory.Message, "Specify_how_the_TypeScript_watch_mode_works_6715", "Specify how the TypeScript watch mode works."),
+        Require_undeclared_properties_from_index_signatures_to_use_element_accesses: diag(6717, ts.DiagnosticCategory.Message, "Require_undeclared_properties_from_index_signatures_to_use_element_accesses_6717", "Require undeclared properties from index signatures to use element accesses."),
+        Specify_emit_Slashchecking_behavior_for_imports_that_are_only_used_for_types: diag(6718, ts.DiagnosticCategory.Message, "Specify_emit_Slashchecking_behavior_for_imports_that_are_only_used_for_types_6718", "Specify emit/checking behavior for imports that are only used for types."),
+        Default_catch_clause_variables_as_unknown_instead_of_any: diag(6803, ts.DiagnosticCategory.Message, "Default_catch_clause_variables_as_unknown_instead_of_any_6803", "Default catch clause variables as 'unknown' instead of 'any'."),
+        one_of_Colon: diag(6900, ts.DiagnosticCategory.Message, "one_of_Colon_6900", "one of:"),
+        one_or_more_Colon: diag(6901, ts.DiagnosticCategory.Message, "one_or_more_Colon_6901", "one or more:"),
+        type_Colon: diag(6902, ts.DiagnosticCategory.Message, "type_Colon_6902", "type:"),
+        default_Colon: diag(6903, ts.DiagnosticCategory.Message, "default_Colon_6903", "default:"),
+        module_system_or_esModuleInterop: diag(6904, ts.DiagnosticCategory.Message, "module_system_or_esModuleInterop_6904", "module === \"system\" or esModuleInterop"),
+        false_unless_strict_is_set: diag(6905, ts.DiagnosticCategory.Message, "false_unless_strict_is_set_6905", "`false`, unless `strict` is set"),
+        false_unless_composite_is_set: diag(6906, ts.DiagnosticCategory.Message, "false_unless_composite_is_set_6906", "`false`, unless `composite` is set"),
+        node_modules_bower_components_jspm_packages_plus_the_value_of_outDir_if_one_is_specified: diag(6907, ts.DiagnosticCategory.Message, "node_modules_bower_components_jspm_packages_plus_the_value_of_outDir_if_one_is_specified_6907", "`[\"node_modules\", \"bower_components\", \"jspm_packages\"]`, plus the value of `outDir` if one is specified."),
+        if_files_is_specified_otherwise_Asterisk_Asterisk_Slash_Asterisk: diag(6908, ts.DiagnosticCategory.Message, "if_files_is_specified_otherwise_Asterisk_Asterisk_Slash_Asterisk_6908", "`[]` if `files` is specified, otherwise `[\"**/*\"]`"),
+        true_if_composite_false_otherwise: diag(6909, ts.DiagnosticCategory.Message, "true_if_composite_false_otherwise_6909", "`true` if `composite`, `false` otherwise"),
+        module_AMD_or_UMD_or_System_or_ES6_then_Classic_Otherwise_Node: diag(69010, ts.DiagnosticCategory.Message, "module_AMD_or_UMD_or_System_or_ES6_then_Classic_Otherwise_Node_69010", "module === `AMD` or `UMD` or `System` or `ES6`, then `Classic`, Otherwise `Node`"),
+        Computed_from_the_list_of_input_files: diag(6911, ts.DiagnosticCategory.Message, "Computed_from_the_list_of_input_files_6911", "Computed from the list of input files"),
+        Platform_specific: diag(6912, ts.DiagnosticCategory.Message, "Platform_specific_6912", "Platform specific"),
+        You_can_learn_about_all_of_the_compiler_options_at_0: diag(6913, ts.DiagnosticCategory.Message, "You_can_learn_about_all_of_the_compiler_options_at_0_6913", "You can learn about all of the compiler options at {0}"),
+        Including_watch_w_will_start_watching_the_current_project_for_the_file_changes_Once_set_you_can_config_watch_mode_with_Colon: diag(6914, ts.DiagnosticCategory.Message, "Including_watch_w_will_start_watching_the_current_project_for_the_file_changes_Once_set_you_can_conf_6914", "Including --watch, -w will start watching the current project for the file changes. Once set, you can config watch mode with:"),
+        Using_build_b_will_make_tsc_behave_more_like_a_build_orchestrator_than_a_compiler_This_is_used_to_trigger_building_composite_projects_which_you_can_learn_more_about_at_0: diag(6915, ts.DiagnosticCategory.Message, "Using_build_b_will_make_tsc_behave_more_like_a_build_orchestrator_than_a_compiler_This_is_used_to_tr_6915", "Using --build, -b will make tsc behave more like a build orchestrator than a compiler. This is used to trigger building composite projects which you can learn more about at {0}"),
+        COMMON_COMMANDS: diag(6916, ts.DiagnosticCategory.Message, "COMMON_COMMANDS_6916", "COMMON COMMANDS"),
+        ALL_COMPILER_OPTIONS: diag(6917, ts.DiagnosticCategory.Message, "ALL_COMPILER_OPTIONS_6917", "ALL COMPILER OPTIONS"),
+        WATCH_OPTIONS: diag(6918, ts.DiagnosticCategory.Message, "WATCH_OPTIONS_6918", "WATCH OPTIONS"),
+        BUILD_OPTIONS: diag(6919, ts.DiagnosticCategory.Message, "BUILD_OPTIONS_6919", "BUILD OPTIONS"),
+        COMMON_COMPILER_OPTIONS: diag(6920, ts.DiagnosticCategory.Message, "COMMON_COMPILER_OPTIONS_6920", "COMMON COMPILER OPTIONS"),
+        COMMAND_LINE_FLAGS: diag(6921, ts.DiagnosticCategory.Message, "COMMAND_LINE_FLAGS_6921", "COMMAND LINE FLAGS"),
+        tsc_Colon_The_TypeScript_Compiler: diag(6922, ts.DiagnosticCategory.Message, "tsc_Colon_The_TypeScript_Compiler_6922", "tsc: The TypeScript Compiler"),
+        Compiles_the_current_project_tsconfig_json_in_the_working_directory: diag(6923, ts.DiagnosticCategory.Message, "Compiles_the_current_project_tsconfig_json_in_the_working_directory_6923", "Compiles the current project (tsconfig.json in the working directory.)"),
+        Ignoring_tsconfig_json_compiles_the_specified_files_with_default_compiler_options: diag(6924, ts.DiagnosticCategory.Message, "Ignoring_tsconfig_json_compiles_the_specified_files_with_default_compiler_options_6924", "Ignoring tsconfig.json, compiles the specified files with default compiler options."),
+        Build_a_composite_project_in_the_working_directory: diag(6925, ts.DiagnosticCategory.Message, "Build_a_composite_project_in_the_working_directory_6925", "Build a composite project in the working directory."),
+        Creates_a_tsconfig_json_with_the_recommended_settings_in_the_working_directory: diag(6926, ts.DiagnosticCategory.Message, "Creates_a_tsconfig_json_with_the_recommended_settings_in_the_working_directory_6926", "Creates a tsconfig.json with the recommended settings in the working directory."),
+        Compiles_the_TypeScript_project_located_at_the_specified_path: diag(6927, ts.DiagnosticCategory.Message, "Compiles_the_TypeScript_project_located_at_the_specified_path_6927", "Compiles the TypeScript project located at the specified path."),
+        An_expanded_version_of_this_information_showing_all_possible_compiler_options: diag(6928, ts.DiagnosticCategory.Message, "An_expanded_version_of_this_information_showing_all_possible_compiler_options_6928", "An expanded version of this information, showing all possible compiler options"),
+        Compiles_the_current_project_with_additional_settings: diag(6929, ts.DiagnosticCategory.Message, "Compiles_the_current_project_with_additional_settings_6929", "Compiles the current project, with additional settings."),
+        true_for_ES2022_and_above_including_ESNext: diag(6930, ts.DiagnosticCategory.Message, "true_for_ES2022_and_above_including_ESNext_6930", "`true` for ES2022 and above, including ESNext."),
+        List_of_file_name_suffixes_to_search_when_resolving_a_module: diag(6931, ts.DiagnosticCategory.Error, "List_of_file_name_suffixes_to_search_when_resolving_a_module_6931", "List of file name suffixes to search when resolving a module."),
+        Variable_0_implicitly_has_an_1_type: diag(7005, ts.DiagnosticCategory.Error, "Variable_0_implicitly_has_an_1_type_7005", "Variable '{0}' implicitly has an '{1}' type."),
+        Parameter_0_implicitly_has_an_1_type: diag(7006, ts.DiagnosticCategory.Error, "Parameter_0_implicitly_has_an_1_type_7006", "Parameter '{0}' implicitly has an '{1}' type."),
+        Member_0_implicitly_has_an_1_type: diag(7008, ts.DiagnosticCategory.Error, "Member_0_implicitly_has_an_1_type_7008", "Member '{0}' implicitly has an '{1}' type."),
+        new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: diag(7009, ts.DiagnosticCategory.Error, "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type."),
+        _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: diag(7010, ts.DiagnosticCategory.Error, "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type."),
+        Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: diag(7011, ts.DiagnosticCategory.Error, "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type."),
+        Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: diag(7013, ts.DiagnosticCategory.Error, "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type."),
+        Function_type_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: diag(7014, ts.DiagnosticCategory.Error, "Function_type_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7014", "Function type, which lacks return-type annotation, implicitly has an '{0}' return type."),
+        Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: diag(7015, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", "Element implicitly has an 'any' type because index expression is not of type 'number'."),
+        Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type: diag(7016, ts.DiagnosticCategory.Error, "Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type_7016", "Could not find a declaration file for module '{0}'. '{1}' implicitly has an 'any' type."),
+        Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature: diag(7017, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_7017", "Element implicitly has an 'any' type because type '{0}' has no index signature."),
+        Object_literal_s_property_0_implicitly_has_an_1_type: diag(7018, ts.DiagnosticCategory.Error, "Object_literal_s_property_0_implicitly_has_an_1_type_7018", "Object literal's property '{0}' implicitly has an '{1}' type."),
+        Rest_parameter_0_implicitly_has_an_any_type: diag(7019, ts.DiagnosticCategory.Error, "Rest_parameter_0_implicitly_has_an_any_type_7019", "Rest parameter '{0}' implicitly has an 'any[]' type."),
+        Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: diag(7020, ts.DiagnosticCategory.Error, "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", "Call signature, which lacks return-type annotation, implicitly has an 'any' return type."),
+        _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: diag(7022, ts.DiagnosticCategory.Error, "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer."),
+        _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: diag(7023, ts.DiagnosticCategory.Error, "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."),
+        Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: diag(7024, ts.DiagnosticCategory.Error, "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."),
+        Generator_implicitly_has_yield_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type_annotation: diag(7025, ts.DiagnosticCategory.Error, "Generator_implicitly_has_yield_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_retu_7025", "Generator implicitly has yield type '{0}' because it does not yield any values. Consider supplying a return type annotation."),
+        JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: diag(7026, ts.DiagnosticCategory.Error, "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists."),
+        Unreachable_code_detected: diag(7027, ts.DiagnosticCategory.Error, "Unreachable_code_detected_7027", "Unreachable code detected.", /*reportsUnnecessary*/ true),
+        Unused_label: diag(7028, ts.DiagnosticCategory.Error, "Unused_label_7028", "Unused label.", /*reportsUnnecessary*/ true),
+        Fallthrough_case_in_switch: diag(7029, ts.DiagnosticCategory.Error, "Fallthrough_case_in_switch_7029", "Fallthrough case in switch."),
+        Not_all_code_paths_return_a_value: diag(7030, ts.DiagnosticCategory.Error, "Not_all_code_paths_return_a_value_7030", "Not all code paths return a value."),
+        Binding_element_0_implicitly_has_an_1_type: diag(7031, ts.DiagnosticCategory.Error, "Binding_element_0_implicitly_has_an_1_type_7031", "Binding element '{0}' implicitly has an '{1}' type."),
+        Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation: diag(7032, ts.DiagnosticCategory.Error, "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation_7032", "Property '{0}' implicitly has type 'any', because its set accessor lacks a parameter type annotation."),
+        Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation: diag(7033, ts.DiagnosticCategory.Error, "Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation_7033", "Property '{0}' implicitly has type 'any', because its get accessor lacks a return type annotation."),
+        Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined: diag(7034, ts.DiagnosticCategory.Error, "Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined_7034", "Variable '{0}' implicitly has type '{1}' in some locations where its type cannot be determined."),
+        Try_npm_i_save_dev_types_Slash_1_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_module_0: diag(7035, ts.DiagnosticCategory.Error, "Try_npm_i_save_dev_types_Slash_1_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare__7035", "Try `npm i --save-dev @types/{1}` if it exists or add a new declaration (.d.ts) file containing `declare module '{0}';`"),
+        Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0: diag(7036, ts.DiagnosticCategory.Error, "Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0_7036", "Dynamic import's specifier must be of type 'string', but here has type '{0}'."),
+        Enables_emit_interoperability_between_CommonJS_and_ES_Modules_via_creation_of_namespace_objects_for_all_imports_Implies_allowSyntheticDefaultImports: diag(7037, ts.DiagnosticCategory.Message, "Enables_emit_interoperability_between_CommonJS_and_ES_Modules_via_creation_of_namespace_objects_for__7037", "Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'."),
+        Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cause_a_failure_at_runtime_Consider_using_a_default_import_or_import_require_here_instead: diag(7038, ts.DiagnosticCategory.Message, "Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cau_7038", "Type originates at this import. A namespace-style import cannot be called or constructed, and will cause a failure at runtime. Consider using a default import or import require here instead."),
+        Mapped_object_type_implicitly_has_an_any_template_type: diag(7039, ts.DiagnosticCategory.Error, "Mapped_object_type_implicitly_has_an_any_template_type_7039", "Mapped object type implicitly has an 'any' template type."),
+        If_the_0_package_actually_exposes_this_module_consider_sending_a_pull_request_to_amend_https_Colon_Slash_Slashgithub_com_SlashDefinitelyTyped_SlashDefinitelyTyped_Slashtree_Slashmaster_Slashtypes_Slash_1: diag(7040, ts.DiagnosticCategory.Error, "If_the_0_package_actually_exposes_this_module_consider_sending_a_pull_request_to_amend_https_Colon_S_7040", "If the '{0}' package actually exposes this module, consider sending a pull request to amend 'https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/{1}'"),
+        The_containing_arrow_function_captures_the_global_value_of_this: diag(7041, ts.DiagnosticCategory.Error, "The_containing_arrow_function_captures_the_global_value_of_this_7041", "The containing arrow function captures the global value of 'this'."),
+        Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used: diag(7042, ts.DiagnosticCategory.Error, "Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used_7042", "Module '{0}' was resolved to '{1}', but '--resolveJsonModule' is not used."),
+        Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage: diag(7043, ts.DiagnosticCategory.Suggestion, "Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage_7043", "Variable '{0}' implicitly has an '{1}' type, but a better type may be inferred from usage."),
+        Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage: diag(7044, ts.DiagnosticCategory.Suggestion, "Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage_7044", "Parameter '{0}' implicitly has an '{1}' type, but a better type may be inferred from usage."),
+        Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage: diag(7045, ts.DiagnosticCategory.Suggestion, "Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage_7045", "Member '{0}' implicitly has an '{1}' type, but a better type may be inferred from usage."),
+        Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage: diag(7046, ts.DiagnosticCategory.Suggestion, "Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage_7046", "Variable '{0}' implicitly has type '{1}' in some locations, but a better type may be inferred from usage."),
+        Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage: diag(7047, ts.DiagnosticCategory.Suggestion, "Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage_7047", "Rest parameter '{0}' implicitly has an 'any[]' type, but a better type may be inferred from usage."),
+        Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage: diag(7048, ts.DiagnosticCategory.Suggestion, "Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage_7048", "Property '{0}' implicitly has type 'any', but a better type for its get accessor may be inferred from usage."),
+        Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage: diag(7049, ts.DiagnosticCategory.Suggestion, "Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage_7049", "Property '{0}' implicitly has type 'any', but a better type for its set accessor may be inferred from usage."),
+        _0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage: diag(7050, ts.DiagnosticCategory.Suggestion, "_0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage_7050", "'{0}' implicitly has an '{1}' return type, but a better type may be inferred from usage."),
+        Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1: diag(7051, ts.DiagnosticCategory.Error, "Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1_7051", "Parameter has a name but no type. Did you mean '{0}: {1}'?"),
+        Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_Did_you_mean_to_call_1: diag(7052, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_Did_you_mean_to_call_1_7052", "Element implicitly has an 'any' type because type '{0}' has no index signature. Did you mean to call '{1}'?"),
+        Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1: diag(7053, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1_7053", "Element implicitly has an 'any' type because expression of type '{0}' can't be used to index type '{1}'."),
+        No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1: diag(7054, ts.DiagnosticCategory.Error, "No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1_7054", "No index signature with a parameter of type '{0}' was found on type '{1}'."),
+        _0_which_lacks_return_type_annotation_implicitly_has_an_1_yield_type: diag(7055, ts.DiagnosticCategory.Error, "_0_which_lacks_return_type_annotation_implicitly_has_an_1_yield_type_7055", "'{0}', which lacks return-type annotation, implicitly has an '{1}' yield type."),
+        The_inferred_type_of_this_node_exceeds_the_maximum_length_the_compiler_will_serialize_An_explicit_type_annotation_is_needed: diag(7056, ts.DiagnosticCategory.Error, "The_inferred_type_of_this_node_exceeds_the_maximum_length_the_compiler_will_serialize_An_explicit_ty_7056", "The inferred type of this node exceeds the maximum length the compiler will serialize. An explicit type annotation is needed."),
+        yield_expression_implicitly_results_in_an_any_type_because_its_containing_generator_lacks_a_return_type_annotation: diag(7057, ts.DiagnosticCategory.Error, "yield_expression_implicitly_results_in_an_any_type_because_its_containing_generator_lacks_a_return_t_7057", "'yield' expression implicitly results in an 'any' type because its containing generator lacks a return-type annotation."),
+        If_the_0_package_actually_exposes_this_module_try_adding_a_new_declaration_d_ts_file_containing_declare_module_1: diag(7058, ts.DiagnosticCategory.Error, "If_the_0_package_actually_exposes_this_module_try_adding_a_new_declaration_d_ts_file_containing_decl_7058", "If the '{0}' package actually exposes this module, try adding a new declaration (.d.ts) file containing `declare module '{1}';`"),
+        This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Use_an_as_expression_instead: diag(7059, ts.DiagnosticCategory.Error, "This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Use_an_as_expression_instead_7059", "This syntax is reserved in files with the .mts or .cts extension. Use an `as` expression instead."),
+        This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Add_a_trailing_comma_or_explicit_constraint: diag(7060, ts.DiagnosticCategory.Error, "This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Add_a_trailing_comma_or_explicit_cons_7060", "This syntax is reserved in files with the .mts or .cts extension. Add a trailing comma or explicit constraint."),
+        A_mapped_type_may_not_declare_properties_or_methods: diag(7061, ts.DiagnosticCategory.Error, "A_mapped_type_may_not_declare_properties_or_methods_7061", "A mapped type may not declare properties or methods."),
+        You_cannot_rename_this_element: diag(8000, ts.DiagnosticCategory.Error, "You_cannot_rename_this_element_8000", "You cannot rename this element."),
+        You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: diag(8001, ts.DiagnosticCategory.Error, "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", "You cannot rename elements that are defined in the standard TypeScript library."),
+        import_can_only_be_used_in_TypeScript_files: diag(8002, ts.DiagnosticCategory.Error, "import_can_only_be_used_in_TypeScript_files_8002", "'import ... =' can only be used in TypeScript files."),
+        export_can_only_be_used_in_TypeScript_files: diag(8003, ts.DiagnosticCategory.Error, "export_can_only_be_used_in_TypeScript_files_8003", "'export =' can only be used in TypeScript files."),
+        Type_parameter_declarations_can_only_be_used_in_TypeScript_files: diag(8004, ts.DiagnosticCategory.Error, "Type_parameter_declarations_can_only_be_used_in_TypeScript_files_8004", "Type parameter declarations can only be used in TypeScript files."),
+        implements_clauses_can_only_be_used_in_TypeScript_files: diag(8005, ts.DiagnosticCategory.Error, "implements_clauses_can_only_be_used_in_TypeScript_files_8005", "'implements' clauses can only be used in TypeScript files."),
+        _0_declarations_can_only_be_used_in_TypeScript_files: diag(8006, ts.DiagnosticCategory.Error, "_0_declarations_can_only_be_used_in_TypeScript_files_8006", "'{0}' declarations can only be used in TypeScript files."),
+        Type_aliases_can_only_be_used_in_TypeScript_files: diag(8008, ts.DiagnosticCategory.Error, "Type_aliases_can_only_be_used_in_TypeScript_files_8008", "Type aliases can only be used in TypeScript files."),
+        The_0_modifier_can_only_be_used_in_TypeScript_files: diag(8009, ts.DiagnosticCategory.Error, "The_0_modifier_can_only_be_used_in_TypeScript_files_8009", "The '{0}' modifier can only be used in TypeScript files."),
+        Type_annotations_can_only_be_used_in_TypeScript_files: diag(8010, ts.DiagnosticCategory.Error, "Type_annotations_can_only_be_used_in_TypeScript_files_8010", "Type annotations can only be used in TypeScript files."),
+        Type_arguments_can_only_be_used_in_TypeScript_files: diag(8011, ts.DiagnosticCategory.Error, "Type_arguments_can_only_be_used_in_TypeScript_files_8011", "Type arguments can only be used in TypeScript files."),
+        Parameter_modifiers_can_only_be_used_in_TypeScript_files: diag(8012, ts.DiagnosticCategory.Error, "Parameter_modifiers_can_only_be_used_in_TypeScript_files_8012", "Parameter modifiers can only be used in TypeScript files."),
+        Non_null_assertions_can_only_be_used_in_TypeScript_files: diag(8013, ts.DiagnosticCategory.Error, "Non_null_assertions_can_only_be_used_in_TypeScript_files_8013", "Non-null assertions can only be used in TypeScript files."),
+        Type_assertion_expressions_can_only_be_used_in_TypeScript_files: diag(8016, ts.DiagnosticCategory.Error, "Type_assertion_expressions_can_only_be_used_in_TypeScript_files_8016", "Type assertion expressions can only be used in TypeScript files."),
+        Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0: diag(8017, ts.DiagnosticCategory.Error, "Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0_8017", "Octal literal types must use ES2015 syntax. Use the syntax '{0}'."),
+        Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0: diag(8018, ts.DiagnosticCategory.Error, "Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0_8018", "Octal literals are not allowed in enums members initializer. Use the syntax '{0}'."),
+        Report_errors_in_js_files: diag(8019, ts.DiagnosticCategory.Message, "Report_errors_in_js_files_8019", "Report errors in .js files."),
+        JSDoc_types_can_only_be_used_inside_documentation_comments: diag(8020, ts.DiagnosticCategory.Error, "JSDoc_types_can_only_be_used_inside_documentation_comments_8020", "JSDoc types can only be used inside documentation comments."),
+        JSDoc_typedef_tag_should_either_have_a_type_annotation_or_be_followed_by_property_or_member_tags: diag(8021, ts.DiagnosticCategory.Error, "JSDoc_typedef_tag_should_either_have_a_type_annotation_or_be_followed_by_property_or_member_tags_8021", "JSDoc '@typedef' tag should either have a type annotation or be followed by '@property' or '@member' tags."),
+        JSDoc_0_is_not_attached_to_a_class: diag(8022, ts.DiagnosticCategory.Error, "JSDoc_0_is_not_attached_to_a_class_8022", "JSDoc '@{0}' is not attached to a class."),
+        JSDoc_0_1_does_not_match_the_extends_2_clause: diag(8023, ts.DiagnosticCategory.Error, "JSDoc_0_1_does_not_match_the_extends_2_clause_8023", "JSDoc '@{0} {1}' does not match the 'extends {2}' clause."),
+        JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name: diag(8024, ts.DiagnosticCategory.Error, "JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024", "JSDoc '@param' tag has name '{0}', but there is no parameter with that name."),
+        Class_declarations_cannot_have_more_than_one_augments_or_extends_tag: diag(8025, ts.DiagnosticCategory.Error, "Class_declarations_cannot_have_more_than_one_augments_or_extends_tag_8025", "Class declarations cannot have more than one '@augments' or '@extends' tag."),
+        Expected_0_type_arguments_provide_these_with_an_extends_tag: diag(8026, ts.DiagnosticCategory.Error, "Expected_0_type_arguments_provide_these_with_an_extends_tag_8026", "Expected {0} type arguments; provide these with an '@extends' tag."),
+        Expected_0_1_type_arguments_provide_these_with_an_extends_tag: diag(8027, ts.DiagnosticCategory.Error, "Expected_0_1_type_arguments_provide_these_with_an_extends_tag_8027", "Expected {0}-{1} type arguments; provide these with an '@extends' tag."),
+        JSDoc_may_only_appear_in_the_last_parameter_of_a_signature: diag(8028, ts.DiagnosticCategory.Error, "JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028", "JSDoc '...' may only appear in the last parameter of a signature."),
+        JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_It_would_match_arguments_if_it_had_an_array_type: diag(8029, ts.DiagnosticCategory.Error, "JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_It_would_match_arguments_if_it_h_8029", "JSDoc '@param' tag has name '{0}', but there is no parameter with that name. It would match 'arguments' if it had an array type."),
+        The_type_of_a_function_declaration_must_match_the_function_s_signature: diag(8030, ts.DiagnosticCategory.Error, "The_type_of_a_function_declaration_must_match_the_function_s_signature_8030", "The type of a function declaration must match the function's signature."),
+        You_cannot_rename_a_module_via_a_global_import: diag(8031, ts.DiagnosticCategory.Error, "You_cannot_rename_a_module_via_a_global_import_8031", "You cannot rename a module via a global import."),
+        Qualified_name_0_is_not_allowed_without_a_leading_param_object_1: diag(8032, ts.DiagnosticCategory.Error, "Qualified_name_0_is_not_allowed_without_a_leading_param_object_1_8032", "Qualified name '{0}' is not allowed without a leading '@param {object} {1}'."),
+        A_JSDoc_typedef_comment_may_not_contain_multiple_type_tags: diag(8033, ts.DiagnosticCategory.Error, "A_JSDoc_typedef_comment_may_not_contain_multiple_type_tags_8033", "A JSDoc '@typedef' comment may not contain multiple '@type' tags."),
+        The_tag_was_first_specified_here: diag(8034, ts.DiagnosticCategory.Error, "The_tag_was_first_specified_here_8034", "The tag was first specified here."),
+        Declaration_emit_for_this_file_requires_using_private_name_0_An_explicit_type_annotation_may_unblock_declaration_emit: diag(9005, ts.DiagnosticCategory.Error, "Declaration_emit_for_this_file_requires_using_private_name_0_An_explicit_type_annotation_may_unblock_9005", "Declaration emit for this file requires using private name '{0}'. An explicit type annotation may unblock declaration emit."),
+        Declaration_emit_for_this_file_requires_using_private_name_0_from_module_1_An_explicit_type_annotation_may_unblock_declaration_emit: diag(9006, ts.DiagnosticCategory.Error, "Declaration_emit_for_this_file_requires_using_private_name_0_from_module_1_An_explicit_type_annotati_9006", "Declaration emit for this file requires using private name '{0}' from module '{1}'. An explicit type annotation may unblock declaration emit."),
+        JSX_attributes_must_only_be_assigned_a_non_empty_expression: diag(17000, ts.DiagnosticCategory.Error, "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", "JSX attributes must only be assigned a non-empty 'expression'."),
+        JSX_elements_cannot_have_multiple_attributes_with_the_same_name: diag(17001, ts.DiagnosticCategory.Error, "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", "JSX elements cannot have multiple attributes with the same name."),
+        Expected_corresponding_JSX_closing_tag_for_0: diag(17002, ts.DiagnosticCategory.Error, "Expected_corresponding_JSX_closing_tag_for_0_17002", "Expected corresponding JSX closing tag for '{0}'."),
+        Cannot_use_JSX_unless_the_jsx_flag_is_provided: diag(17004, ts.DiagnosticCategory.Error, "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", "Cannot use JSX unless the '--jsx' flag is provided."),
+        A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: diag(17005, ts.DiagnosticCategory.Error, "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", "A constructor cannot contain a 'super' call when its class extends 'null'."),
+        An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: diag(17006, ts.DiagnosticCategory.Error, "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses."),
+        A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: diag(17007, ts.DiagnosticCategory.Error, "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses."),
+        JSX_element_0_has_no_corresponding_closing_tag: diag(17008, ts.DiagnosticCategory.Error, "JSX_element_0_has_no_corresponding_closing_tag_17008", "JSX element '{0}' has no corresponding closing tag."),
+        super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: diag(17009, ts.DiagnosticCategory.Error, "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", "'super' must be called before accessing 'this' in the constructor of a derived class."),
+        Unknown_type_acquisition_option_0: diag(17010, ts.DiagnosticCategory.Error, "Unknown_type_acquisition_option_0_17010", "Unknown type acquisition option '{0}'."),
+        super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class: diag(17011, ts.DiagnosticCategory.Error, "super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class_17011", "'super' must be called before accessing a property of 'super' in the constructor of a derived class."),
+        _0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2: diag(17012, ts.DiagnosticCategory.Error, "_0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2_17012", "'{0}' is not a valid meta-property for keyword '{1}'. Did you mean '{2}'?"),
+        Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constructor: diag(17013, ts.DiagnosticCategory.Error, "Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constru_17013", "Meta-property '{0}' is only allowed in the body of a function declaration, function expression, or constructor."),
+        JSX_fragment_has_no_corresponding_closing_tag: diag(17014, ts.DiagnosticCategory.Error, "JSX_fragment_has_no_corresponding_closing_tag_17014", "JSX fragment has no corresponding closing tag."),
+        Expected_corresponding_closing_tag_for_JSX_fragment: diag(17015, ts.DiagnosticCategory.Error, "Expected_corresponding_closing_tag_for_JSX_fragment_17015", "Expected corresponding closing tag for JSX fragment."),
+        The_jsxFragmentFactory_compiler_option_must_be_provided_to_use_JSX_fragments_with_the_jsxFactory_compiler_option: diag(17016, ts.DiagnosticCategory.Error, "The_jsxFragmentFactory_compiler_option_must_be_provided_to_use_JSX_fragments_with_the_jsxFactory_com_17016", "The 'jsxFragmentFactory' compiler option must be provided to use JSX fragments with the 'jsxFactory' compiler option."),
+        An_jsxFrag_pragma_is_required_when_using_an_jsx_pragma_with_JSX_fragments: diag(17017, ts.DiagnosticCategory.Error, "An_jsxFrag_pragma_is_required_when_using_an_jsx_pragma_with_JSX_fragments_17017", "An @jsxFrag pragma is required when using an @jsx pragma with JSX fragments."),
+        Unknown_type_acquisition_option_0_Did_you_mean_1: diag(17018, ts.DiagnosticCategory.Error, "Unknown_type_acquisition_option_0_Did_you_mean_1_17018", "Unknown type acquisition option '{0}'. Did you mean '{1}'?"),
+        Circularity_detected_while_resolving_configuration_Colon_0: diag(18000, ts.DiagnosticCategory.Error, "Circularity_detected_while_resolving_configuration_Colon_0_18000", "Circularity detected while resolving configuration: {0}"),
+        The_files_list_in_config_file_0_is_empty: diag(18002, ts.DiagnosticCategory.Error, "The_files_list_in_config_file_0_is_empty_18002", "The 'files' list in config file '{0}' is empty."),
+        No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: diag(18003, ts.DiagnosticCategory.Error, "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'."),
+        File_is_a_CommonJS_module_it_may_be_converted_to_an_ES_module: diag(80001, ts.DiagnosticCategory.Suggestion, "File_is_a_CommonJS_module_it_may_be_converted_to_an_ES_module_80001", "File is a CommonJS module; it may be converted to an ES module."),
+        This_constructor_function_may_be_converted_to_a_class_declaration: diag(80002, ts.DiagnosticCategory.Suggestion, "This_constructor_function_may_be_converted_to_a_class_declaration_80002", "This constructor function may be converted to a class declaration."),
+        Import_may_be_converted_to_a_default_import: diag(80003, ts.DiagnosticCategory.Suggestion, "Import_may_be_converted_to_a_default_import_80003", "Import may be converted to a default import."),
+        JSDoc_types_may_be_moved_to_TypeScript_types: diag(80004, ts.DiagnosticCategory.Suggestion, "JSDoc_types_may_be_moved_to_TypeScript_types_80004", "JSDoc types may be moved to TypeScript types."),
+        require_call_may_be_converted_to_an_import: diag(80005, ts.DiagnosticCategory.Suggestion, "require_call_may_be_converted_to_an_import_80005", "'require' call may be converted to an import."),
+        This_may_be_converted_to_an_async_function: diag(80006, ts.DiagnosticCategory.Suggestion, "This_may_be_converted_to_an_async_function_80006", "This may be converted to an async function."),
+        await_has_no_effect_on_the_type_of_this_expression: diag(80007, ts.DiagnosticCategory.Suggestion, "await_has_no_effect_on_the_type_of_this_expression_80007", "'await' has no effect on the type of this expression."),
+        Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accurately_as_integers: diag(80008, ts.DiagnosticCategory.Suggestion, "Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accur_80008", "Numeric literals with absolute values equal to 2^53 or greater are too large to be represented accurately as integers."),
+        Add_missing_super_call: diag(90001, ts.DiagnosticCategory.Message, "Add_missing_super_call_90001", "Add missing 'super()' call"),
+        Make_super_call_the_first_statement_in_the_constructor: diag(90002, ts.DiagnosticCategory.Message, "Make_super_call_the_first_statement_in_the_constructor_90002", "Make 'super()' call the first statement in the constructor"),
+        Change_extends_to_implements: diag(90003, ts.DiagnosticCategory.Message, "Change_extends_to_implements_90003", "Change 'extends' to 'implements'"),
+        Remove_unused_declaration_for_Colon_0: diag(90004, ts.DiagnosticCategory.Message, "Remove_unused_declaration_for_Colon_0_90004", "Remove unused declaration for: '{0}'"),
+        Remove_import_from_0: diag(90005, ts.DiagnosticCategory.Message, "Remove_import_from_0_90005", "Remove import from '{0}'"),
+        Implement_interface_0: diag(90006, ts.DiagnosticCategory.Message, "Implement_interface_0_90006", "Implement interface '{0}'"),
+        Implement_inherited_abstract_class: diag(90007, ts.DiagnosticCategory.Message, "Implement_inherited_abstract_class_90007", "Implement inherited abstract class"),
+        Add_0_to_unresolved_variable: diag(90008, ts.DiagnosticCategory.Message, "Add_0_to_unresolved_variable_90008", "Add '{0}.' to unresolved variable"),
+        Remove_variable_statement: diag(90010, ts.DiagnosticCategory.Message, "Remove_variable_statement_90010", "Remove variable statement"),
+        Remove_template_tag: diag(90011, ts.DiagnosticCategory.Message, "Remove_template_tag_90011", "Remove template tag"),
+        Remove_type_parameters: diag(90012, ts.DiagnosticCategory.Message, "Remove_type_parameters_90012", "Remove type parameters"),
+        Import_0_from_1: diag(90013, ts.DiagnosticCategory.Message, "Import_0_from_1_90013", "Import '{0}' from \"{1}\""),
+        Change_0_to_1: diag(90014, ts.DiagnosticCategory.Message, "Change_0_to_1_90014", "Change '{0}' to '{1}'"),
+        Declare_property_0: diag(90016, ts.DiagnosticCategory.Message, "Declare_property_0_90016", "Declare property '{0}'"),
+        Add_index_signature_for_property_0: diag(90017, ts.DiagnosticCategory.Message, "Add_index_signature_for_property_0_90017", "Add index signature for property '{0}'"),
+        Disable_checking_for_this_file: diag(90018, ts.DiagnosticCategory.Message, "Disable_checking_for_this_file_90018", "Disable checking for this file"),
+        Ignore_this_error_message: diag(90019, ts.DiagnosticCategory.Message, "Ignore_this_error_message_90019", "Ignore this error message"),
+        Initialize_property_0_in_the_constructor: diag(90020, ts.DiagnosticCategory.Message, "Initialize_property_0_in_the_constructor_90020", "Initialize property '{0}' in the constructor"),
+        Initialize_static_property_0: diag(90021, ts.DiagnosticCategory.Message, "Initialize_static_property_0_90021", "Initialize static property '{0}'"),
+        Change_spelling_to_0: diag(90022, ts.DiagnosticCategory.Message, "Change_spelling_to_0_90022", "Change spelling to '{0}'"),
+        Declare_method_0: diag(90023, ts.DiagnosticCategory.Message, "Declare_method_0_90023", "Declare method '{0}'"),
+        Declare_static_method_0: diag(90024, ts.DiagnosticCategory.Message, "Declare_static_method_0_90024", "Declare static method '{0}'"),
+        Prefix_0_with_an_underscore: diag(90025, ts.DiagnosticCategory.Message, "Prefix_0_with_an_underscore_90025", "Prefix '{0}' with an underscore"),
+        Rewrite_as_the_indexed_access_type_0: diag(90026, ts.DiagnosticCategory.Message, "Rewrite_as_the_indexed_access_type_0_90026", "Rewrite as the indexed access type '{0}'"),
+        Declare_static_property_0: diag(90027, ts.DiagnosticCategory.Message, "Declare_static_property_0_90027", "Declare static property '{0}'"),
+        Call_decorator_expression: diag(90028, ts.DiagnosticCategory.Message, "Call_decorator_expression_90028", "Call decorator expression"),
+        Add_async_modifier_to_containing_function: diag(90029, ts.DiagnosticCategory.Message, "Add_async_modifier_to_containing_function_90029", "Add async modifier to containing function"),
+        Replace_infer_0_with_unknown: diag(90030, ts.DiagnosticCategory.Message, "Replace_infer_0_with_unknown_90030", "Replace 'infer {0}' with 'unknown'"),
+        Replace_all_unused_infer_with_unknown: diag(90031, ts.DiagnosticCategory.Message, "Replace_all_unused_infer_with_unknown_90031", "Replace all unused 'infer' with 'unknown'"),
+        Add_parameter_name: diag(90034, ts.DiagnosticCategory.Message, "Add_parameter_name_90034", "Add parameter name"),
+        Declare_private_property_0: diag(90035, ts.DiagnosticCategory.Message, "Declare_private_property_0_90035", "Declare private property '{0}'"),
+        Replace_0_with_Promise_1: diag(90036, ts.DiagnosticCategory.Message, "Replace_0_with_Promise_1_90036", "Replace '{0}' with 'Promise<{1}>'"),
+        Fix_all_incorrect_return_type_of_an_async_functions: diag(90037, ts.DiagnosticCategory.Message, "Fix_all_incorrect_return_type_of_an_async_functions_90037", "Fix all incorrect return type of an async functions"),
+        Declare_private_method_0: diag(90038, ts.DiagnosticCategory.Message, "Declare_private_method_0_90038", "Declare private method '{0}'"),
+        Remove_unused_destructuring_declaration: diag(90039, ts.DiagnosticCategory.Message, "Remove_unused_destructuring_declaration_90039", "Remove unused destructuring declaration"),
+        Remove_unused_declarations_for_Colon_0: diag(90041, ts.DiagnosticCategory.Message, "Remove_unused_declarations_for_Colon_0_90041", "Remove unused declarations for: '{0}'"),
+        Declare_a_private_field_named_0: diag(90053, ts.DiagnosticCategory.Message, "Declare_a_private_field_named_0_90053", "Declare a private field named '{0}'."),
+        Includes_imports_of_types_referenced_by_0: diag(90054, ts.DiagnosticCategory.Message, "Includes_imports_of_types_referenced_by_0_90054", "Includes imports of types referenced by '{0}'"),
+        Remove_type_from_import_declaration_from_0: diag(90055, ts.DiagnosticCategory.Message, "Remove_type_from_import_declaration_from_0_90055", "Remove 'type' from import declaration from \"{0}\""),
+        Remove_type_from_import_of_0_from_1: diag(90056, ts.DiagnosticCategory.Message, "Remove_type_from_import_of_0_from_1_90056", "Remove 'type' from import of '{0}' from \"{1}\""),
+        Add_import_from_0: diag(90057, ts.DiagnosticCategory.Message, "Add_import_from_0_90057", "Add import from \"{0}\""),
+        Update_import_from_0: diag(90058, ts.DiagnosticCategory.Message, "Update_import_from_0_90058", "Update import from \"{0}\""),
+        Convert_function_to_an_ES2015_class: diag(95001, ts.DiagnosticCategory.Message, "Convert_function_to_an_ES2015_class_95001", "Convert function to an ES2015 class"),
+        Convert_0_to_1_in_0: diag(95003, ts.DiagnosticCategory.Message, "Convert_0_to_1_in_0_95003", "Convert '{0}' to '{1} in {0}'"),
+        Extract_to_0_in_1: diag(95004, ts.DiagnosticCategory.Message, "Extract_to_0_in_1_95004", "Extract to {0} in {1}"),
+        Extract_function: diag(95005, ts.DiagnosticCategory.Message, "Extract_function_95005", "Extract function"),
+        Extract_constant: diag(95006, ts.DiagnosticCategory.Message, "Extract_constant_95006", "Extract constant"),
+        Extract_to_0_in_enclosing_scope: diag(95007, ts.DiagnosticCategory.Message, "Extract_to_0_in_enclosing_scope_95007", "Extract to {0} in enclosing scope"),
+        Extract_to_0_in_1_scope: diag(95008, ts.DiagnosticCategory.Message, "Extract_to_0_in_1_scope_95008", "Extract to {0} in {1} scope"),
+        Annotate_with_type_from_JSDoc: diag(95009, ts.DiagnosticCategory.Message, "Annotate_with_type_from_JSDoc_95009", "Annotate with type from JSDoc"),
+        Infer_type_of_0_from_usage: diag(95011, ts.DiagnosticCategory.Message, "Infer_type_of_0_from_usage_95011", "Infer type of '{0}' from usage"),
+        Infer_parameter_types_from_usage: diag(95012, ts.DiagnosticCategory.Message, "Infer_parameter_types_from_usage_95012", "Infer parameter types from usage"),
+        Convert_to_default_import: diag(95013, ts.DiagnosticCategory.Message, "Convert_to_default_import_95013", "Convert to default import"),
+        Install_0: diag(95014, ts.DiagnosticCategory.Message, "Install_0_95014", "Install '{0}'"),
+        Replace_import_with_0: diag(95015, ts.DiagnosticCategory.Message, "Replace_import_with_0_95015", "Replace import with '{0}'."),
+        Use_synthetic_default_member: diag(95016, ts.DiagnosticCategory.Message, "Use_synthetic_default_member_95016", "Use synthetic 'default' member."),
+        Convert_to_ES_module: diag(95017, ts.DiagnosticCategory.Message, "Convert_to_ES_module_95017", "Convert to ES module"),
+        Add_undefined_type_to_property_0: diag(95018, ts.DiagnosticCategory.Message, "Add_undefined_type_to_property_0_95018", "Add 'undefined' type to property '{0}'"),
+        Add_initializer_to_property_0: diag(95019, ts.DiagnosticCategory.Message, "Add_initializer_to_property_0_95019", "Add initializer to property '{0}'"),
+        Add_definite_assignment_assertion_to_property_0: diag(95020, ts.DiagnosticCategory.Message, "Add_definite_assignment_assertion_to_property_0_95020", "Add definite assignment assertion to property '{0}'"),
+        Convert_all_type_literals_to_mapped_type: diag(95021, ts.DiagnosticCategory.Message, "Convert_all_type_literals_to_mapped_type_95021", "Convert all type literals to mapped type"),
+        Add_all_missing_members: diag(95022, ts.DiagnosticCategory.Message, "Add_all_missing_members_95022", "Add all missing members"),
+        Infer_all_types_from_usage: diag(95023, ts.DiagnosticCategory.Message, "Infer_all_types_from_usage_95023", "Infer all types from usage"),
+        Delete_all_unused_declarations: diag(95024, ts.DiagnosticCategory.Message, "Delete_all_unused_declarations_95024", "Delete all unused declarations"),
+        Prefix_all_unused_declarations_with_where_possible: diag(95025, ts.DiagnosticCategory.Message, "Prefix_all_unused_declarations_with_where_possible_95025", "Prefix all unused declarations with '_' where possible"),
+        Fix_all_detected_spelling_errors: diag(95026, ts.DiagnosticCategory.Message, "Fix_all_detected_spelling_errors_95026", "Fix all detected spelling errors"),
+        Add_initializers_to_all_uninitialized_properties: diag(95027, ts.DiagnosticCategory.Message, "Add_initializers_to_all_uninitialized_properties_95027", "Add initializers to all uninitialized properties"),
+        Add_definite_assignment_assertions_to_all_uninitialized_properties: diag(95028, ts.DiagnosticCategory.Message, "Add_definite_assignment_assertions_to_all_uninitialized_properties_95028", "Add definite assignment assertions to all uninitialized properties"),
+        Add_undefined_type_to_all_uninitialized_properties: diag(95029, ts.DiagnosticCategory.Message, "Add_undefined_type_to_all_uninitialized_properties_95029", "Add undefined type to all uninitialized properties"),
+        Change_all_jsdoc_style_types_to_TypeScript: diag(95030, ts.DiagnosticCategory.Message, "Change_all_jsdoc_style_types_to_TypeScript_95030", "Change all jsdoc-style types to TypeScript"),
+        Change_all_jsdoc_style_types_to_TypeScript_and_add_undefined_to_nullable_types: diag(95031, ts.DiagnosticCategory.Message, "Change_all_jsdoc_style_types_to_TypeScript_and_add_undefined_to_nullable_types_95031", "Change all jsdoc-style types to TypeScript (and add '| undefined' to nullable types)"),
+        Implement_all_unimplemented_interfaces: diag(95032, ts.DiagnosticCategory.Message, "Implement_all_unimplemented_interfaces_95032", "Implement all unimplemented interfaces"),
+        Install_all_missing_types_packages: diag(95033, ts.DiagnosticCategory.Message, "Install_all_missing_types_packages_95033", "Install all missing types packages"),
+        Rewrite_all_as_indexed_access_types: diag(95034, ts.DiagnosticCategory.Message, "Rewrite_all_as_indexed_access_types_95034", "Rewrite all as indexed access types"),
+        Convert_all_to_default_imports: diag(95035, ts.DiagnosticCategory.Message, "Convert_all_to_default_imports_95035", "Convert all to default imports"),
+        Make_all_super_calls_the_first_statement_in_their_constructor: diag(95036, ts.DiagnosticCategory.Message, "Make_all_super_calls_the_first_statement_in_their_constructor_95036", "Make all 'super()' calls the first statement in their constructor"),
+        Add_qualifier_to_all_unresolved_variables_matching_a_member_name: diag(95037, ts.DiagnosticCategory.Message, "Add_qualifier_to_all_unresolved_variables_matching_a_member_name_95037", "Add qualifier to all unresolved variables matching a member name"),
+        Change_all_extended_interfaces_to_implements: diag(95038, ts.DiagnosticCategory.Message, "Change_all_extended_interfaces_to_implements_95038", "Change all extended interfaces to 'implements'"),
+        Add_all_missing_super_calls: diag(95039, ts.DiagnosticCategory.Message, "Add_all_missing_super_calls_95039", "Add all missing super calls"),
+        Implement_all_inherited_abstract_classes: diag(95040, ts.DiagnosticCategory.Message, "Implement_all_inherited_abstract_classes_95040", "Implement all inherited abstract classes"),
+        Add_all_missing_async_modifiers: diag(95041, ts.DiagnosticCategory.Message, "Add_all_missing_async_modifiers_95041", "Add all missing 'async' modifiers"),
+        Add_ts_ignore_to_all_error_messages: diag(95042, ts.DiagnosticCategory.Message, "Add_ts_ignore_to_all_error_messages_95042", "Add '@ts-ignore' to all error messages"),
+        Annotate_everything_with_types_from_JSDoc: diag(95043, ts.DiagnosticCategory.Message, "Annotate_everything_with_types_from_JSDoc_95043", "Annotate everything with types from JSDoc"),
+        Add_to_all_uncalled_decorators: diag(95044, ts.DiagnosticCategory.Message, "Add_to_all_uncalled_decorators_95044", "Add '()' to all uncalled decorators"),
+        Convert_all_constructor_functions_to_classes: diag(95045, ts.DiagnosticCategory.Message, "Convert_all_constructor_functions_to_classes_95045", "Convert all constructor functions to classes"),
+        Generate_get_and_set_accessors: diag(95046, ts.DiagnosticCategory.Message, "Generate_get_and_set_accessors_95046", "Generate 'get' and 'set' accessors"),
+        Convert_require_to_import: diag(95047, ts.DiagnosticCategory.Message, "Convert_require_to_import_95047", "Convert 'require' to 'import'"),
+        Convert_all_require_to_import: diag(95048, ts.DiagnosticCategory.Message, "Convert_all_require_to_import_95048", "Convert all 'require' to 'import'"),
+        Move_to_a_new_file: diag(95049, ts.DiagnosticCategory.Message, "Move_to_a_new_file_95049", "Move to a new file"),
+        Remove_unreachable_code: diag(95050, ts.DiagnosticCategory.Message, "Remove_unreachable_code_95050", "Remove unreachable code"),
+        Remove_all_unreachable_code: diag(95051, ts.DiagnosticCategory.Message, "Remove_all_unreachable_code_95051", "Remove all unreachable code"),
+        Add_missing_typeof: diag(95052, ts.DiagnosticCategory.Message, "Add_missing_typeof_95052", "Add missing 'typeof'"),
+        Remove_unused_label: diag(95053, ts.DiagnosticCategory.Message, "Remove_unused_label_95053", "Remove unused label"),
+        Remove_all_unused_labels: diag(95054, ts.DiagnosticCategory.Message, "Remove_all_unused_labels_95054", "Remove all unused labels"),
+        Convert_0_to_mapped_object_type: diag(95055, ts.DiagnosticCategory.Message, "Convert_0_to_mapped_object_type_95055", "Convert '{0}' to mapped object type"),
+        Convert_namespace_import_to_named_imports: diag(95056, ts.DiagnosticCategory.Message, "Convert_namespace_import_to_named_imports_95056", "Convert namespace import to named imports"),
+        Convert_named_imports_to_namespace_import: diag(95057, ts.DiagnosticCategory.Message, "Convert_named_imports_to_namespace_import_95057", "Convert named imports to namespace import"),
+        Add_or_remove_braces_in_an_arrow_function: diag(95058, ts.DiagnosticCategory.Message, "Add_or_remove_braces_in_an_arrow_function_95058", "Add or remove braces in an arrow function"),
+        Add_braces_to_arrow_function: diag(95059, ts.DiagnosticCategory.Message, "Add_braces_to_arrow_function_95059", "Add braces to arrow function"),
+        Remove_braces_from_arrow_function: diag(95060, ts.DiagnosticCategory.Message, "Remove_braces_from_arrow_function_95060", "Remove braces from arrow function"),
+        Convert_default_export_to_named_export: diag(95061, ts.DiagnosticCategory.Message, "Convert_default_export_to_named_export_95061", "Convert default export to named export"),
+        Convert_named_export_to_default_export: diag(95062, ts.DiagnosticCategory.Message, "Convert_named_export_to_default_export_95062", "Convert named export to default export"),
+        Add_missing_enum_member_0: diag(95063, ts.DiagnosticCategory.Message, "Add_missing_enum_member_0_95063", "Add missing enum member '{0}'"),
+        Add_all_missing_imports: diag(95064, ts.DiagnosticCategory.Message, "Add_all_missing_imports_95064", "Add all missing imports"),
+        Convert_to_async_function: diag(95065, ts.DiagnosticCategory.Message, "Convert_to_async_function_95065", "Convert to async function"),
+        Convert_all_to_async_functions: diag(95066, ts.DiagnosticCategory.Message, "Convert_all_to_async_functions_95066", "Convert all to async functions"),
+        Add_missing_call_parentheses: diag(95067, ts.DiagnosticCategory.Message, "Add_missing_call_parentheses_95067", "Add missing call parentheses"),
+        Add_all_missing_call_parentheses: diag(95068, ts.DiagnosticCategory.Message, "Add_all_missing_call_parentheses_95068", "Add all missing call parentheses"),
+        Add_unknown_conversion_for_non_overlapping_types: diag(95069, ts.DiagnosticCategory.Message, "Add_unknown_conversion_for_non_overlapping_types_95069", "Add 'unknown' conversion for non-overlapping types"),
+        Add_unknown_to_all_conversions_of_non_overlapping_types: diag(95070, ts.DiagnosticCategory.Message, "Add_unknown_to_all_conversions_of_non_overlapping_types_95070", "Add 'unknown' to all conversions of non-overlapping types"),
+        Add_missing_new_operator_to_call: diag(95071, ts.DiagnosticCategory.Message, "Add_missing_new_operator_to_call_95071", "Add missing 'new' operator to call"),
+        Add_missing_new_operator_to_all_calls: diag(95072, ts.DiagnosticCategory.Message, "Add_missing_new_operator_to_all_calls_95072", "Add missing 'new' operator to all calls"),
+        Add_names_to_all_parameters_without_names: diag(95073, ts.DiagnosticCategory.Message, "Add_names_to_all_parameters_without_names_95073", "Add names to all parameters without names"),
+        Enable_the_experimentalDecorators_option_in_your_configuration_file: diag(95074, ts.DiagnosticCategory.Message, "Enable_the_experimentalDecorators_option_in_your_configuration_file_95074", "Enable the 'experimentalDecorators' option in your configuration file"),
+        Convert_parameters_to_destructured_object: diag(95075, ts.DiagnosticCategory.Message, "Convert_parameters_to_destructured_object_95075", "Convert parameters to destructured object"),
+        Extract_type: diag(95077, ts.DiagnosticCategory.Message, "Extract_type_95077", "Extract type"),
+        Extract_to_type_alias: diag(95078, ts.DiagnosticCategory.Message, "Extract_to_type_alias_95078", "Extract to type alias"),
+        Extract_to_typedef: diag(95079, ts.DiagnosticCategory.Message, "Extract_to_typedef_95079", "Extract to typedef"),
+        Infer_this_type_of_0_from_usage: diag(95080, ts.DiagnosticCategory.Message, "Infer_this_type_of_0_from_usage_95080", "Infer 'this' type of '{0}' from usage"),
+        Add_const_to_unresolved_variable: diag(95081, ts.DiagnosticCategory.Message, "Add_const_to_unresolved_variable_95081", "Add 'const' to unresolved variable"),
+        Add_const_to_all_unresolved_variables: diag(95082, ts.DiagnosticCategory.Message, "Add_const_to_all_unresolved_variables_95082", "Add 'const' to all unresolved variables"),
+        Add_await: diag(95083, ts.DiagnosticCategory.Message, "Add_await_95083", "Add 'await'"),
+        Add_await_to_initializer_for_0: diag(95084, ts.DiagnosticCategory.Message, "Add_await_to_initializer_for_0_95084", "Add 'await' to initializer for '{0}'"),
+        Fix_all_expressions_possibly_missing_await: diag(95085, ts.DiagnosticCategory.Message, "Fix_all_expressions_possibly_missing_await_95085", "Fix all expressions possibly missing 'await'"),
+        Remove_unnecessary_await: diag(95086, ts.DiagnosticCategory.Message, "Remove_unnecessary_await_95086", "Remove unnecessary 'await'"),
+        Remove_all_unnecessary_uses_of_await: diag(95087, ts.DiagnosticCategory.Message, "Remove_all_unnecessary_uses_of_await_95087", "Remove all unnecessary uses of 'await'"),
+        Enable_the_jsx_flag_in_your_configuration_file: diag(95088, ts.DiagnosticCategory.Message, "Enable_the_jsx_flag_in_your_configuration_file_95088", "Enable the '--jsx' flag in your configuration file"),
+        Add_await_to_initializers: diag(95089, ts.DiagnosticCategory.Message, "Add_await_to_initializers_95089", "Add 'await' to initializers"),
+        Extract_to_interface: diag(95090, ts.DiagnosticCategory.Message, "Extract_to_interface_95090", "Extract to interface"),
+        Convert_to_a_bigint_numeric_literal: diag(95091, ts.DiagnosticCategory.Message, "Convert_to_a_bigint_numeric_literal_95091", "Convert to a bigint numeric literal"),
+        Convert_all_to_bigint_numeric_literals: diag(95092, ts.DiagnosticCategory.Message, "Convert_all_to_bigint_numeric_literals_95092", "Convert all to bigint numeric literals"),
+        Convert_const_to_let: diag(95093, ts.DiagnosticCategory.Message, "Convert_const_to_let_95093", "Convert 'const' to 'let'"),
+        Prefix_with_declare: diag(95094, ts.DiagnosticCategory.Message, "Prefix_with_declare_95094", "Prefix with 'declare'"),
+        Prefix_all_incorrect_property_declarations_with_declare: diag(95095, ts.DiagnosticCategory.Message, "Prefix_all_incorrect_property_declarations_with_declare_95095", "Prefix all incorrect property declarations with 'declare'"),
+        Convert_to_template_string: diag(95096, ts.DiagnosticCategory.Message, "Convert_to_template_string_95096", "Convert to template string"),
+        Add_export_to_make_this_file_into_a_module: diag(95097, ts.DiagnosticCategory.Message, "Add_export_to_make_this_file_into_a_module_95097", "Add 'export {}' to make this file into a module"),
+        Set_the_target_option_in_your_configuration_file_to_0: diag(95098, ts.DiagnosticCategory.Message, "Set_the_target_option_in_your_configuration_file_to_0_95098", "Set the 'target' option in your configuration file to '{0}'"),
+        Set_the_module_option_in_your_configuration_file_to_0: diag(95099, ts.DiagnosticCategory.Message, "Set_the_module_option_in_your_configuration_file_to_0_95099", "Set the 'module' option in your configuration file to '{0}'"),
+        Convert_invalid_character_to_its_html_entity_code: diag(95100, ts.DiagnosticCategory.Message, "Convert_invalid_character_to_its_html_entity_code_95100", "Convert invalid character to its html entity code"),
+        Convert_all_invalid_characters_to_HTML_entity_code: diag(95101, ts.DiagnosticCategory.Message, "Convert_all_invalid_characters_to_HTML_entity_code_95101", "Convert all invalid characters to HTML entity code"),
+        Convert_function_expression_0_to_arrow_function: diag(95105, ts.DiagnosticCategory.Message, "Convert_function_expression_0_to_arrow_function_95105", "Convert function expression '{0}' to arrow function"),
+        Convert_function_declaration_0_to_arrow_function: diag(95106, ts.DiagnosticCategory.Message, "Convert_function_declaration_0_to_arrow_function_95106", "Convert function declaration '{0}' to arrow function"),
+        Fix_all_implicit_this_errors: diag(95107, ts.DiagnosticCategory.Message, "Fix_all_implicit_this_errors_95107", "Fix all implicit-'this' errors"),
+        Wrap_invalid_character_in_an_expression_container: diag(95108, ts.DiagnosticCategory.Message, "Wrap_invalid_character_in_an_expression_container_95108", "Wrap invalid character in an expression container"),
+        Wrap_all_invalid_characters_in_an_expression_container: diag(95109, ts.DiagnosticCategory.Message, "Wrap_all_invalid_characters_in_an_expression_container_95109", "Wrap all invalid characters in an expression container"),
+        Visit_https_Colon_Slash_Slashaka_ms_Slashtsconfig_to_read_more_about_this_file: diag(95110, ts.DiagnosticCategory.Message, "Visit_https_Colon_Slash_Slashaka_ms_Slashtsconfig_to_read_more_about_this_file_95110", "Visit https://aka.ms/tsconfig to read more about this file"),
+        Add_a_return_statement: diag(95111, ts.DiagnosticCategory.Message, "Add_a_return_statement_95111", "Add a return statement"),
+        Remove_braces_from_arrow_function_body: diag(95112, ts.DiagnosticCategory.Message, "Remove_braces_from_arrow_function_body_95112", "Remove braces from arrow function body"),
+        Wrap_the_following_body_with_parentheses_which_should_be_an_object_literal: diag(95113, ts.DiagnosticCategory.Message, "Wrap_the_following_body_with_parentheses_which_should_be_an_object_literal_95113", "Wrap the following body with parentheses which should be an object literal"),
+        Add_all_missing_return_statement: diag(95114, ts.DiagnosticCategory.Message, "Add_all_missing_return_statement_95114", "Add all missing return statement"),
+        Remove_braces_from_all_arrow_function_bodies_with_relevant_issues: diag(95115, ts.DiagnosticCategory.Message, "Remove_braces_from_all_arrow_function_bodies_with_relevant_issues_95115", "Remove braces from all arrow function bodies with relevant issues"),
+        Wrap_all_object_literal_with_parentheses: diag(95116, ts.DiagnosticCategory.Message, "Wrap_all_object_literal_with_parentheses_95116", "Wrap all object literal with parentheses"),
+        Move_labeled_tuple_element_modifiers_to_labels: diag(95117, ts.DiagnosticCategory.Message, "Move_labeled_tuple_element_modifiers_to_labels_95117", "Move labeled tuple element modifiers to labels"),
+        Convert_overload_list_to_single_signature: diag(95118, ts.DiagnosticCategory.Message, "Convert_overload_list_to_single_signature_95118", "Convert overload list to single signature"),
+        Generate_get_and_set_accessors_for_all_overriding_properties: diag(95119, ts.DiagnosticCategory.Message, "Generate_get_and_set_accessors_for_all_overriding_properties_95119", "Generate 'get' and 'set' accessors for all overriding properties"),
+        Wrap_in_JSX_fragment: diag(95120, ts.DiagnosticCategory.Message, "Wrap_in_JSX_fragment_95120", "Wrap in JSX fragment"),
+        Wrap_all_unparented_JSX_in_JSX_fragment: diag(95121, ts.DiagnosticCategory.Message, "Wrap_all_unparented_JSX_in_JSX_fragment_95121", "Wrap all unparented JSX in JSX fragment"),
+        Convert_arrow_function_or_function_expression: diag(95122, ts.DiagnosticCategory.Message, "Convert_arrow_function_or_function_expression_95122", "Convert arrow function or function expression"),
+        Convert_to_anonymous_function: diag(95123, ts.DiagnosticCategory.Message, "Convert_to_anonymous_function_95123", "Convert to anonymous function"),
+        Convert_to_named_function: diag(95124, ts.DiagnosticCategory.Message, "Convert_to_named_function_95124", "Convert to named function"),
+        Convert_to_arrow_function: diag(95125, ts.DiagnosticCategory.Message, "Convert_to_arrow_function_95125", "Convert to arrow function"),
+        Remove_parentheses: diag(95126, ts.DiagnosticCategory.Message, "Remove_parentheses_95126", "Remove parentheses"),
+        Could_not_find_a_containing_arrow_function: diag(95127, ts.DiagnosticCategory.Message, "Could_not_find_a_containing_arrow_function_95127", "Could not find a containing arrow function"),
+        Containing_function_is_not_an_arrow_function: diag(95128, ts.DiagnosticCategory.Message, "Containing_function_is_not_an_arrow_function_95128", "Containing function is not an arrow function"),
+        Could_not_find_export_statement: diag(95129, ts.DiagnosticCategory.Message, "Could_not_find_export_statement_95129", "Could not find export statement"),
+        This_file_already_has_a_default_export: diag(95130, ts.DiagnosticCategory.Message, "This_file_already_has_a_default_export_95130", "This file already has a default export"),
+        Could_not_find_import_clause: diag(95131, ts.DiagnosticCategory.Message, "Could_not_find_import_clause_95131", "Could not find import clause"),
+        Could_not_find_namespace_import_or_named_imports: diag(95132, ts.DiagnosticCategory.Message, "Could_not_find_namespace_import_or_named_imports_95132", "Could not find namespace import or named imports"),
+        Selection_is_not_a_valid_type_node: diag(95133, ts.DiagnosticCategory.Message, "Selection_is_not_a_valid_type_node_95133", "Selection is not a valid type node"),
+        No_type_could_be_extracted_from_this_type_node: diag(95134, ts.DiagnosticCategory.Message, "No_type_could_be_extracted_from_this_type_node_95134", "No type could be extracted from this type node"),
+        Could_not_find_property_for_which_to_generate_accessor: diag(95135, ts.DiagnosticCategory.Message, "Could_not_find_property_for_which_to_generate_accessor_95135", "Could not find property for which to generate accessor"),
+        Name_is_not_valid: diag(95136, ts.DiagnosticCategory.Message, "Name_is_not_valid_95136", "Name is not valid"),
+        Can_only_convert_property_with_modifier: diag(95137, ts.DiagnosticCategory.Message, "Can_only_convert_property_with_modifier_95137", "Can only convert property with modifier"),
+        Switch_each_misused_0_to_1: diag(95138, ts.DiagnosticCategory.Message, "Switch_each_misused_0_to_1_95138", "Switch each misused '{0}' to '{1}'"),
+        Convert_to_optional_chain_expression: diag(95139, ts.DiagnosticCategory.Message, "Convert_to_optional_chain_expression_95139", "Convert to optional chain expression"),
+        Could_not_find_convertible_access_expression: diag(95140, ts.DiagnosticCategory.Message, "Could_not_find_convertible_access_expression_95140", "Could not find convertible access expression"),
+        Could_not_find_matching_access_expressions: diag(95141, ts.DiagnosticCategory.Message, "Could_not_find_matching_access_expressions_95141", "Could not find matching access expressions"),
+        Can_only_convert_logical_AND_access_chains: diag(95142, ts.DiagnosticCategory.Message, "Can_only_convert_logical_AND_access_chains_95142", "Can only convert logical AND access chains"),
+        Add_void_to_Promise_resolved_without_a_value: diag(95143, ts.DiagnosticCategory.Message, "Add_void_to_Promise_resolved_without_a_value_95143", "Add 'void' to Promise resolved without a value"),
+        Add_void_to_all_Promises_resolved_without_a_value: diag(95144, ts.DiagnosticCategory.Message, "Add_void_to_all_Promises_resolved_without_a_value_95144", "Add 'void' to all Promises resolved without a value"),
+        Use_element_access_for_0: diag(95145, ts.DiagnosticCategory.Message, "Use_element_access_for_0_95145", "Use element access for '{0}'"),
+        Use_element_access_for_all_undeclared_properties: diag(95146, ts.DiagnosticCategory.Message, "Use_element_access_for_all_undeclared_properties_95146", "Use element access for all undeclared properties."),
+        Delete_all_unused_imports: diag(95147, ts.DiagnosticCategory.Message, "Delete_all_unused_imports_95147", "Delete all unused imports"),
+        Infer_function_return_type: diag(95148, ts.DiagnosticCategory.Message, "Infer_function_return_type_95148", "Infer function return type"),
+        Return_type_must_be_inferred_from_a_function: diag(95149, ts.DiagnosticCategory.Message, "Return_type_must_be_inferred_from_a_function_95149", "Return type must be inferred from a function"),
+        Could_not_determine_function_return_type: diag(95150, ts.DiagnosticCategory.Message, "Could_not_determine_function_return_type_95150", "Could not determine function return type"),
+        Could_not_convert_to_arrow_function: diag(95151, ts.DiagnosticCategory.Message, "Could_not_convert_to_arrow_function_95151", "Could not convert to arrow function"),
+        Could_not_convert_to_named_function: diag(95152, ts.DiagnosticCategory.Message, "Could_not_convert_to_named_function_95152", "Could not convert to named function"),
+        Could_not_convert_to_anonymous_function: diag(95153, ts.DiagnosticCategory.Message, "Could_not_convert_to_anonymous_function_95153", "Could not convert to anonymous function"),
+        Can_only_convert_string_concatenation: diag(95154, ts.DiagnosticCategory.Message, "Can_only_convert_string_concatenation_95154", "Can only convert string concatenation"),
+        Selection_is_not_a_valid_statement_or_statements: diag(95155, ts.DiagnosticCategory.Message, "Selection_is_not_a_valid_statement_or_statements_95155", "Selection is not a valid statement or statements"),
+        Add_missing_function_declaration_0: diag(95156, ts.DiagnosticCategory.Message, "Add_missing_function_declaration_0_95156", "Add missing function declaration '{0}'"),
+        Add_all_missing_function_declarations: diag(95157, ts.DiagnosticCategory.Message, "Add_all_missing_function_declarations_95157", "Add all missing function declarations"),
+        Method_not_implemented: diag(95158, ts.DiagnosticCategory.Message, "Method_not_implemented_95158", "Method not implemented."),
+        Function_not_implemented: diag(95159, ts.DiagnosticCategory.Message, "Function_not_implemented_95159", "Function not implemented."),
+        Add_override_modifier: diag(95160, ts.DiagnosticCategory.Message, "Add_override_modifier_95160", "Add 'override' modifier"),
+        Remove_override_modifier: diag(95161, ts.DiagnosticCategory.Message, "Remove_override_modifier_95161", "Remove 'override' modifier"),
+        Add_all_missing_override_modifiers: diag(95162, ts.DiagnosticCategory.Message, "Add_all_missing_override_modifiers_95162", "Add all missing 'override' modifiers"),
+        Remove_all_unnecessary_override_modifiers: diag(95163, ts.DiagnosticCategory.Message, "Remove_all_unnecessary_override_modifiers_95163", "Remove all unnecessary 'override' modifiers"),
+        Can_only_convert_named_export: diag(95164, ts.DiagnosticCategory.Message, "Can_only_convert_named_export_95164", "Can only convert named export"),
+        Add_missing_properties: diag(95165, ts.DiagnosticCategory.Message, "Add_missing_properties_95165", "Add missing properties"),
+        Add_all_missing_properties: diag(95166, ts.DiagnosticCategory.Message, "Add_all_missing_properties_95166", "Add all missing properties"),
+        Add_missing_attributes: diag(95167, ts.DiagnosticCategory.Message, "Add_missing_attributes_95167", "Add missing attributes"),
+        Add_all_missing_attributes: diag(95168, ts.DiagnosticCategory.Message, "Add_all_missing_attributes_95168", "Add all missing attributes"),
+        Add_undefined_to_optional_property_type: diag(95169, ts.DiagnosticCategory.Message, "Add_undefined_to_optional_property_type_95169", "Add 'undefined' to optional property type"),
+        Convert_named_imports_to_default_import: diag(95170, ts.DiagnosticCategory.Message, "Convert_named_imports_to_default_import_95170", "Convert named imports to default import"),
+        Delete_unused_param_tag_0: diag(95171, ts.DiagnosticCategory.Message, "Delete_unused_param_tag_0_95171", "Delete unused '@param' tag '{0}'"),
+        Delete_all_unused_param_tags: diag(95172, ts.DiagnosticCategory.Message, "Delete_all_unused_param_tags_95172", "Delete all unused '@param' tags"),
+        Rename_param_tag_name_0_to_1: diag(95173, ts.DiagnosticCategory.Message, "Rename_param_tag_name_0_to_1_95173", "Rename '@param' tag name '{0}' to '{1}'"),
+        No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer: diag(18004, ts.DiagnosticCategory.Error, "No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer_18004", "No value exists in scope for the shorthand property '{0}'. Either declare one or provide an initializer."),
+        Classes_may_not_have_a_field_named_constructor: diag(18006, ts.DiagnosticCategory.Error, "Classes_may_not_have_a_field_named_constructor_18006", "Classes may not have a field named 'constructor'."),
+        JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array: diag(18007, ts.DiagnosticCategory.Error, "JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array_18007", "JSX expressions may not use the comma operator. Did you mean to write an array?"),
+        Private_identifiers_cannot_be_used_as_parameters: diag(18009, ts.DiagnosticCategory.Error, "Private_identifiers_cannot_be_used_as_parameters_18009", "Private identifiers cannot be used as parameters."),
+        An_accessibility_modifier_cannot_be_used_with_a_private_identifier: diag(18010, ts.DiagnosticCategory.Error, "An_accessibility_modifier_cannot_be_used_with_a_private_identifier_18010", "An accessibility modifier cannot be used with a private identifier."),
+        The_operand_of_a_delete_operator_cannot_be_a_private_identifier: diag(18011, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_cannot_be_a_private_identifier_18011", "The operand of a 'delete' operator cannot be a private identifier."),
+        constructor_is_a_reserved_word: diag(18012, ts.DiagnosticCategory.Error, "constructor_is_a_reserved_word_18012", "'#constructor' is a reserved word."),
+        Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier: diag(18013, ts.DiagnosticCategory.Error, "Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier_18013", "Property '{0}' is not accessible outside class '{1}' because it has a private identifier."),
+        The_property_0_cannot_be_accessed_on_type_1_within_this_class_because_it_is_shadowed_by_another_private_identifier_with_the_same_spelling: diag(18014, ts.DiagnosticCategory.Error, "The_property_0_cannot_be_accessed_on_type_1_within_this_class_because_it_is_shadowed_by_another_priv_18014", "The property '{0}' cannot be accessed on type '{1}' within this class because it is shadowed by another private identifier with the same spelling."),
+        Property_0_in_type_1_refers_to_a_different_member_that_cannot_be_accessed_from_within_type_2: diag(18015, ts.DiagnosticCategory.Error, "Property_0_in_type_1_refers_to_a_different_member_that_cannot_be_accessed_from_within_type_2_18015", "Property '{0}' in type '{1}' refers to a different member that cannot be accessed from within type '{2}'."),
+        Private_identifiers_are_not_allowed_outside_class_bodies: diag(18016, ts.DiagnosticCategory.Error, "Private_identifiers_are_not_allowed_outside_class_bodies_18016", "Private identifiers are not allowed outside class bodies."),
+        The_shadowing_declaration_of_0_is_defined_here: diag(18017, ts.DiagnosticCategory.Error, "The_shadowing_declaration_of_0_is_defined_here_18017", "The shadowing declaration of '{0}' is defined here"),
+        The_declaration_of_0_that_you_probably_intended_to_use_is_defined_here: diag(18018, ts.DiagnosticCategory.Error, "The_declaration_of_0_that_you_probably_intended_to_use_is_defined_here_18018", "The declaration of '{0}' that you probably intended to use is defined here"),
+        _0_modifier_cannot_be_used_with_a_private_identifier: diag(18019, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_a_private_identifier_18019", "'{0}' modifier cannot be used with a private identifier."),
+        An_enum_member_cannot_be_named_with_a_private_identifier: diag(18024, ts.DiagnosticCategory.Error, "An_enum_member_cannot_be_named_with_a_private_identifier_18024", "An enum member cannot be named with a private identifier."),
+        can_only_be_used_at_the_start_of_a_file: diag(18026, ts.DiagnosticCategory.Error, "can_only_be_used_at_the_start_of_a_file_18026", "'#!' can only be used at the start of a file."),
+        Compiler_reserves_name_0_when_emitting_private_identifier_downlevel: diag(18027, ts.DiagnosticCategory.Error, "Compiler_reserves_name_0_when_emitting_private_identifier_downlevel_18027", "Compiler reserves name '{0}' when emitting private identifier downlevel."),
+        Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher: diag(18028, ts.DiagnosticCategory.Error, "Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher_18028", "Private identifiers are only available when targeting ECMAScript 2015 and higher."),
+        Private_identifiers_are_not_allowed_in_variable_declarations: diag(18029, ts.DiagnosticCategory.Error, "Private_identifiers_are_not_allowed_in_variable_declarations_18029", "Private identifiers are not allowed in variable declarations."),
+        An_optional_chain_cannot_contain_private_identifiers: diag(18030, ts.DiagnosticCategory.Error, "An_optional_chain_cannot_contain_private_identifiers_18030", "An optional chain cannot contain private identifiers."),
+        The_intersection_0_was_reduced_to_never_because_property_1_has_conflicting_types_in_some_constituents: diag(18031, ts.DiagnosticCategory.Error, "The_intersection_0_was_reduced_to_never_because_property_1_has_conflicting_types_in_some_constituent_18031", "The intersection '{0}' was reduced to 'never' because property '{1}' has conflicting types in some constituents."),
+        The_intersection_0_was_reduced_to_never_because_property_1_exists_in_multiple_constituents_and_is_private_in_some: diag(18032, ts.DiagnosticCategory.Error, "The_intersection_0_was_reduced_to_never_because_property_1_exists_in_multiple_constituents_and_is_pr_18032", "The intersection '{0}' was reduced to 'never' because property '{1}' exists in multiple constituents and is private in some."),
+        Only_numeric_enums_can_have_computed_members_but_this_expression_has_type_0_If_you_do_not_need_exhaustiveness_checks_consider_using_an_object_literal_instead: diag(18033, ts.DiagnosticCategory.Error, "Only_numeric_enums_can_have_computed_members_but_this_expression_has_type_0_If_you_do_not_need_exhau_18033", "Only numeric enums can have computed members, but this expression has type '{0}'. If you do not need exhaustiveness checks, consider using an object literal instead."),
+        Specify_the_JSX_fragment_factory_function_to_use_when_targeting_react_JSX_emit_with_jsxFactory_compiler_option_is_specified_e_g_Fragment: diag(18034, ts.DiagnosticCategory.Message, "Specify_the_JSX_fragment_factory_function_to_use_when_targeting_react_JSX_emit_with_jsxFactory_compi_18034", "Specify the JSX fragment factory function to use when targeting 'react' JSX emit with 'jsxFactory' compiler option is specified, e.g. 'Fragment'."),
+        Invalid_value_for_jsxFragmentFactory_0_is_not_a_valid_identifier_or_qualified_name: diag(18035, ts.DiagnosticCategory.Error, "Invalid_value_for_jsxFragmentFactory_0_is_not_a_valid_identifier_or_qualified_name_18035", "Invalid value for 'jsxFragmentFactory'. '{0}' is not a valid identifier or qualified-name."),
+        Class_decorators_can_t_be_used_with_static_private_identifier_Consider_removing_the_experimental_decorator: diag(18036, ts.DiagnosticCategory.Error, "Class_decorators_can_t_be_used_with_static_private_identifier_Consider_removing_the_experimental_dec_18036", "Class decorators can't be used with static private identifier. Consider removing the experimental decorator."),
+        Await_expression_cannot_be_used_inside_a_class_static_block: diag(18037, ts.DiagnosticCategory.Error, "Await_expression_cannot_be_used_inside_a_class_static_block_18037", "Await expression cannot be used inside a class static block."),
+        For_await_loops_cannot_be_used_inside_a_class_static_block: diag(18038, ts.DiagnosticCategory.Error, "For_await_loops_cannot_be_used_inside_a_class_static_block_18038", "'For await' loops cannot be used inside a class static block."),
+        Invalid_use_of_0_It_cannot_be_used_inside_a_class_static_block: diag(18039, ts.DiagnosticCategory.Error, "Invalid_use_of_0_It_cannot_be_used_inside_a_class_static_block_18039", "Invalid use of '{0}'. It cannot be used inside a class static block."),
+        A_return_statement_cannot_be_used_inside_a_class_static_block: diag(18041, ts.DiagnosticCategory.Error, "A_return_statement_cannot_be_used_inside_a_class_static_block_18041", "A 'return' statement cannot be used inside a class static block."),
+    };
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var _a;
+    /* @internal */
+    function tokenIsIdentifierOrKeyword(token) {
+        return token >= 79 /* SyntaxKind.Identifier */;
+    }
+    ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword;
+    /* @internal */
+    function tokenIsIdentifierOrKeywordOrGreaterThan(token) {
+        return token === 31 /* SyntaxKind.GreaterThanToken */ || tokenIsIdentifierOrKeyword(token);
+    }
+    ts.tokenIsIdentifierOrKeywordOrGreaterThan = tokenIsIdentifierOrKeywordOrGreaterThan;
+    /** @internal */
+    ts.textToKeywordObj = (_a = {
+            abstract: 126 /* SyntaxKind.AbstractKeyword */,
+            any: 130 /* SyntaxKind.AnyKeyword */,
+            as: 127 /* SyntaxKind.AsKeyword */,
+            asserts: 128 /* SyntaxKind.AssertsKeyword */,
+            assert: 129 /* SyntaxKind.AssertKeyword */,
+            bigint: 158 /* SyntaxKind.BigIntKeyword */,
+            boolean: 133 /* SyntaxKind.BooleanKeyword */,
+            break: 81 /* SyntaxKind.BreakKeyword */,
+            case: 82 /* SyntaxKind.CaseKeyword */,
+            catch: 83 /* SyntaxKind.CatchKeyword */,
+            class: 84 /* SyntaxKind.ClassKeyword */,
+            continue: 86 /* SyntaxKind.ContinueKeyword */,
+            const: 85 /* SyntaxKind.ConstKeyword */
+        },
+        _a["" + "constructor"] = 134 /* SyntaxKind.ConstructorKeyword */,
+        _a.debugger = 87 /* SyntaxKind.DebuggerKeyword */,
+        _a.declare = 135 /* SyntaxKind.DeclareKeyword */,
+        _a.default = 88 /* SyntaxKind.DefaultKeyword */,
+        _a.delete = 89 /* SyntaxKind.DeleteKeyword */,
+        _a.do = 90 /* SyntaxKind.DoKeyword */,
+        _a.else = 91 /* SyntaxKind.ElseKeyword */,
+        _a.enum = 92 /* SyntaxKind.EnumKeyword */,
+        _a.export = 93 /* SyntaxKind.ExportKeyword */,
+        _a.extends = 94 /* SyntaxKind.ExtendsKeyword */,
+        _a.false = 95 /* SyntaxKind.FalseKeyword */,
+        _a.finally = 96 /* SyntaxKind.FinallyKeyword */,
+        _a.for = 97 /* SyntaxKind.ForKeyword */,
+        _a.from = 156 /* SyntaxKind.FromKeyword */,
+        _a.function = 98 /* SyntaxKind.FunctionKeyword */,
+        _a.get = 136 /* SyntaxKind.GetKeyword */,
+        _a.if = 99 /* SyntaxKind.IfKeyword */,
+        _a.implements = 117 /* SyntaxKind.ImplementsKeyword */,
+        _a.import = 100 /* SyntaxKind.ImportKeyword */,
+        _a.in = 101 /* SyntaxKind.InKeyword */,
+        _a.infer = 137 /* SyntaxKind.InferKeyword */,
+        _a.instanceof = 102 /* SyntaxKind.InstanceOfKeyword */,
+        _a.interface = 118 /* SyntaxKind.InterfaceKeyword */,
+        _a.intrinsic = 138 /* SyntaxKind.IntrinsicKeyword */,
+        _a.is = 139 /* SyntaxKind.IsKeyword */,
+        _a.keyof = 140 /* SyntaxKind.KeyOfKeyword */,
+        _a.let = 119 /* SyntaxKind.LetKeyword */,
+        _a.module = 141 /* SyntaxKind.ModuleKeyword */,
+        _a.namespace = 142 /* SyntaxKind.NamespaceKeyword */,
+        _a.never = 143 /* SyntaxKind.NeverKeyword */,
+        _a.new = 103 /* SyntaxKind.NewKeyword */,
+        _a.null = 104 /* SyntaxKind.NullKeyword */,
+        _a.number = 147 /* SyntaxKind.NumberKeyword */,
+        _a.object = 148 /* SyntaxKind.ObjectKeyword */,
+        _a.package = 120 /* SyntaxKind.PackageKeyword */,
+        _a.private = 121 /* SyntaxKind.PrivateKeyword */,
+        _a.protected = 122 /* SyntaxKind.ProtectedKeyword */,
+        _a.public = 123 /* SyntaxKind.PublicKeyword */,
+        _a.override = 159 /* SyntaxKind.OverrideKeyword */,
+        _a.out = 144 /* SyntaxKind.OutKeyword */,
+        _a.readonly = 145 /* SyntaxKind.ReadonlyKeyword */,
+        _a.require = 146 /* SyntaxKind.RequireKeyword */,
+        _a.global = 157 /* SyntaxKind.GlobalKeyword */,
+        _a.return = 105 /* SyntaxKind.ReturnKeyword */,
+        _a.set = 149 /* SyntaxKind.SetKeyword */,
+        _a.static = 124 /* SyntaxKind.StaticKeyword */,
+        _a.string = 150 /* SyntaxKind.StringKeyword */,
+        _a.super = 106 /* SyntaxKind.SuperKeyword */,
+        _a.switch = 107 /* SyntaxKind.SwitchKeyword */,
+        _a.symbol = 151 /* SyntaxKind.SymbolKeyword */,
+        _a.this = 108 /* SyntaxKind.ThisKeyword */,
+        _a.throw = 109 /* SyntaxKind.ThrowKeyword */,
+        _a.true = 110 /* SyntaxKind.TrueKeyword */,
+        _a.try = 111 /* SyntaxKind.TryKeyword */,
+        _a.type = 152 /* SyntaxKind.TypeKeyword */,
+        _a.typeof = 112 /* SyntaxKind.TypeOfKeyword */,
+        _a.undefined = 153 /* SyntaxKind.UndefinedKeyword */,
+        _a.unique = 154 /* SyntaxKind.UniqueKeyword */,
+        _a.unknown = 155 /* SyntaxKind.UnknownKeyword */,
+        _a.var = 113 /* SyntaxKind.VarKeyword */,
+        _a.void = 114 /* SyntaxKind.VoidKeyword */,
+        _a.while = 115 /* SyntaxKind.WhileKeyword */,
+        _a.with = 116 /* SyntaxKind.WithKeyword */,
+        _a.yield = 125 /* SyntaxKind.YieldKeyword */,
+        _a.async = 131 /* SyntaxKind.AsyncKeyword */,
+        _a.await = 132 /* SyntaxKind.AwaitKeyword */,
+        _a.of = 160 /* SyntaxKind.OfKeyword */,
+        _a);
+    var textToKeyword = new ts.Map(ts.getEntries(ts.textToKeywordObj));
+    var textToToken = new ts.Map(ts.getEntries(__assign(__assign({}, ts.textToKeywordObj), { "{": 18 /* SyntaxKind.OpenBraceToken */, "}": 19 /* SyntaxKind.CloseBraceToken */, "(": 20 /* SyntaxKind.OpenParenToken */, ")": 21 /* SyntaxKind.CloseParenToken */, "[": 22 /* SyntaxKind.OpenBracketToken */, "]": 23 /* SyntaxKind.CloseBracketToken */, ".": 24 /* SyntaxKind.DotToken */, "...": 25 /* SyntaxKind.DotDotDotToken */, ";": 26 /* SyntaxKind.SemicolonToken */, ",": 27 /* SyntaxKind.CommaToken */, "<": 29 /* SyntaxKind.LessThanToken */, ">": 31 /* SyntaxKind.GreaterThanToken */, "<=": 32 /* SyntaxKind.LessThanEqualsToken */, ">=": 33 /* SyntaxKind.GreaterThanEqualsToken */, "==": 34 /* SyntaxKind.EqualsEqualsToken */, "!=": 35 /* SyntaxKind.ExclamationEqualsToken */, "===": 36 /* SyntaxKind.EqualsEqualsEqualsToken */, "!==": 37 /* SyntaxKind.ExclamationEqualsEqualsToken */, "=>": 38 /* SyntaxKind.EqualsGreaterThanToken */, "+": 39 /* SyntaxKind.PlusToken */, "-": 40 /* SyntaxKind.MinusToken */, "**": 42 /* SyntaxKind.AsteriskAsteriskToken */, "*": 41 /* SyntaxKind.AsteriskToken */, "/": 43 /* SyntaxKind.SlashToken */, "%": 44 /* SyntaxKind.PercentToken */, "++": 45 /* SyntaxKind.PlusPlusToken */, "--": 46 /* SyntaxKind.MinusMinusToken */, "<<": 47 /* SyntaxKind.LessThanLessThanToken */, ">": 48 /* SyntaxKind.GreaterThanGreaterThanToken */, ">>>": 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */, "&": 50 /* SyntaxKind.AmpersandToken */, "|": 51 /* SyntaxKind.BarToken */, "^": 52 /* SyntaxKind.CaretToken */, "!": 53 /* SyntaxKind.ExclamationToken */, "~": 54 /* SyntaxKind.TildeToken */, "&&": 55 /* SyntaxKind.AmpersandAmpersandToken */, "||": 56 /* SyntaxKind.BarBarToken */, "?": 57 /* SyntaxKind.QuestionToken */, "??": 60 /* SyntaxKind.QuestionQuestionToken */, "?.": 28 /* SyntaxKind.QuestionDotToken */, ":": 58 /* SyntaxKind.ColonToken */, "=": 63 /* SyntaxKind.EqualsToken */, "+=": 64 /* SyntaxKind.PlusEqualsToken */, "-=": 65 /* SyntaxKind.MinusEqualsToken */, "*=": 66 /* SyntaxKind.AsteriskEqualsToken */, "**=": 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */, "/=": 68 /* SyntaxKind.SlashEqualsToken */, "%=": 69 /* SyntaxKind.PercentEqualsToken */, "<<=": 70 /* SyntaxKind.LessThanLessThanEqualsToken */, ">>=": 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */, ">>>=": 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */, "&=": 73 /* SyntaxKind.AmpersandEqualsToken */, "|=": 74 /* SyntaxKind.BarEqualsToken */, "^=": 78 /* SyntaxKind.CaretEqualsToken */, "||=": 75 /* SyntaxKind.BarBarEqualsToken */, "&&=": 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */, "??=": 77 /* SyntaxKind.QuestionQuestionEqualsToken */, "@": 59 /* SyntaxKind.AtToken */, "#": 62 /* SyntaxKind.HashToken */, "`": 61 /* SyntaxKind.BacktickToken */ })));
+    /*
+        As per ECMAScript Language Specification 3th Edition, Section 7.6: Identifiers
+        IdentifierStart ::
+            Can contain Unicode 3.0.0 categories:
+            Uppercase letter (Lu),
+            Lowercase letter (Ll),
+            Titlecase letter (Lt),
+            Modifier letter (Lm),
+            Other letter (Lo), or
+            Letter number (Nl).
+        IdentifierPart :: =
+            Can contain IdentifierStart + Unicode 3.0.0 categories:
+            Non-spacing mark (Mn),
+            Combining spacing mark (Mc),
+            Decimal number (Nd), or
+            Connector punctuation (Pc).
+
+        Codepoint ranges for ES3 Identifiers are extracted from the Unicode 3.0.0 specification at:
+        http://www.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt
+    */
+    var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1610, 1649, 1747, 1749, 1749, 1765, 1766, 1786, 1788, 1808, 1808, 1810, 1836, 1920, 1957, 2309, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2784, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3294, 3294, 3296, 3297, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3424, 3425, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805, 3840, 3840, 3904, 3911, 3913, 3946, 3976, 3979, 4096, 4129, 4131, 4135, 4137, 4138, 4176, 4181, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6067, 6176, 6263, 6272, 6312, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3805, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3946, 3953, 3972, 3974, 3979, 3984, 3991, 3993, 4028, 4038, 4038, 4096, 4129, 4131, 4135, 4137, 4138, 4140, 4146, 4150, 4153, 4160, 4169, 4176, 4185, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 4969, 4977, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6099, 6112, 6121, 6160, 6169, 6176, 6263, 6272, 6313, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8255, 8256, 8319, 8319, 8400, 8412, 8417, 8417, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12346, 12353, 12436, 12441, 12442, 12445, 12446, 12449, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65056, 65059, 65075, 65076, 65101, 65103, 65136, 65138, 65140, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    /*
+        As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers
+        IdentifierStart ::
+            Can contain Unicode 6.2 categories:
+            Uppercase letter (Lu),
+            Lowercase letter (Ll),
+            Titlecase letter (Lt),
+            Modifier letter (Lm),
+            Other letter (Lo), or
+            Letter number (Nl).
+        IdentifierPart ::
+            Can contain IdentifierStart + Unicode 6.2 categories:
+            Non-spacing mark (Mn),
+            Combining spacing mark (Mc),
+            Decimal number (Nd),
+            Connector punctuation (Pc),
+            , or
+            .
+
+        Codepoint ranges for ES5 Identifiers are extracted from the Unicode 6.2 specification at:
+        http://www.unicode.org/Public/6.2.0/ucd/UnicodeData.txt
+    */
+    var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2208, 2208, 2210, 2220, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929, 2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261, 3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3807, 3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138, 4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198, 4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 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6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 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+    /**
+     * Generated by scripts/regenerate-unicode-identifier-parts.js on node v12.4.0 with unicode 12.1
+     * based on http://www.unicode.org/reports/tr31/ and https://www.ecma-international.org/ecma-262/6.0/#sec-names-and-keywords
+     * unicodeESNextIdentifierStart corresponds to the ID_Start and Other_ID_Start property, and
+     * unicodeESNextIdentifierPart corresponds to ID_Continue, Other_ID_Continue, plus ID_Start and Other_ID_Start
+     */
+    var unicodeESNextIdentifierStart = [65, 90, 97, 122, 170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 895, 895, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1327, 1329, 1366, 1369, 1369, 1376, 1416, 1488, 1514, 1519, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2144, 2154, 2208, 2228, 2230, 2237, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2432, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2556, 2556, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 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+    var unicodeESNextIdentifierPart = [48, 57, 65, 90, 95, 95, 97, 122, 170, 170, 181, 181, 183, 183, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 895, 895, 902, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1327, 1329, 1366, 1369, 1369, 1376, 1416, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1519, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2045, 2045, 2048, 2093, 2112, 2139, 2144, 2154, 2208, 2228, 2230, 2237, 2259, 2273, 2275, 2403, 2406, 2415, 2417, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2556, 2556, 2558, 2558, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 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64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65071, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500, 65536, 65547, 65549, 65574, 65576, 65594, 65596, 65597, 65599, 65613, 65616, 65629, 65664, 65786, 65856, 65908, 66045, 66045, 66176, 66204, 66208, 66256, 66272, 66272, 66304, 66335, 66349, 66378, 66384, 66426, 66432, 66461, 66464, 66499, 66504, 66511, 66513, 66517, 66560, 66717, 66720, 66729, 66736, 66771, 66776, 66811, 66816, 66855, 66864, 66915, 67072, 67382, 67392, 67413, 67424, 67431, 67584, 67589, 67592, 67592, 67594, 67637, 67639, 67640, 67644, 67644, 67647, 67669, 67680, 67702, 67712, 67742, 67808, 67826, 67828, 67829, 67840, 67861, 67872, 67897, 67968, 68023, 68030, 68031, 68096, 68099, 68101, 68102, 68108, 68115, 68117, 68119, 68121, 68149, 68152, 68154, 68159, 68159, 68192, 68220, 68224, 68252, 68288, 68295, 68297, 68326, 68352, 68405, 68416, 68437, 68448, 68466, 68480, 68497, 68608, 68680, 68736, 68786, 68800, 68850, 68864, 68903, 68912, 68921, 69376, 69404, 69415, 69415, 69424, 69456, 69600, 69622, 69632, 69702, 69734, 69743, 69759, 69818, 69840, 69864, 69872, 69881, 69888, 69940, 69942, 69951, 69956, 69958, 69968, 70003, 70006, 70006, 70016, 70084, 70089, 70092, 70096, 70106, 70108, 70108, 70144, 70161, 70163, 70199, 70206, 70206, 70272, 70278, 70280, 70280, 70282, 70285, 70287, 70301, 70303, 70312, 70320, 70378, 70384, 70393, 70400, 70403, 70405, 70412, 70415, 70416, 70419, 70440, 70442, 70448, 70450, 70451, 70453, 70457, 70459, 70468, 70471, 70472, 70475, 70477, 70480, 70480, 70487, 70487, 70493, 70499, 70502, 70508, 70512, 70516, 70656, 70730, 70736, 70745, 70750, 70751, 70784, 70853, 70855, 70855, 70864, 70873, 71040, 71093, 71096, 71104, 71128, 71133, 71168, 71232, 71236, 71236, 71248, 71257, 71296, 71352, 71360, 71369, 71424, 71450, 71453, 71467, 71472, 71481, 71680, 71738, 71840, 71913, 71935, 71935, 72096, 72103, 72106, 72151, 72154, 72161, 72163, 72164, 72192, 72254, 72263, 72263, 72272, 72345, 72349, 72349, 72384, 72440, 72704, 72712, 72714, 72758, 72760, 72768, 72784, 72793, 72818, 72847, 72850, 72871, 72873, 72886, 72960, 72966, 72968, 72969, 72971, 73014, 73018, 73018, 73020, 73021, 73023, 73031, 73040, 73049, 73056, 73061, 73063, 73064, 73066, 73102, 73104, 73105, 73107, 73112, 73120, 73129, 73440, 73462, 73728, 74649, 74752, 74862, 74880, 75075, 77824, 78894, 82944, 83526, 92160, 92728, 92736, 92766, 92768, 92777, 92880, 92909, 92912, 92916, 92928, 92982, 92992, 92995, 93008, 93017, 93027, 93047, 93053, 93071, 93760, 93823, 93952, 94026, 94031, 94087, 94095, 94111, 94176, 94177, 94179, 94179, 94208, 100343, 100352, 101106, 110592, 110878, 110928, 110930, 110948, 110951, 110960, 111355, 113664, 113770, 113776, 113788, 113792, 113800, 113808, 113817, 113821, 113822, 119141, 119145, 119149, 119154, 119163, 119170, 119173, 119179, 119210, 119213, 119362, 119364, 119808, 119892, 119894, 119964, 119966, 119967, 119970, 119970, 119973, 119974, 119977, 119980, 119982, 119993, 119995, 119995, 119997, 120003, 120005, 120069, 120071, 120074, 120077, 120084, 120086, 120092, 120094, 120121, 120123, 120126, 120128, 120132, 120134, 120134, 120138, 120144, 120146, 120485, 120488, 120512, 120514, 120538, 120540, 120570, 120572, 120596, 120598, 120628, 120630, 120654, 120656, 120686, 120688, 120712, 120714, 120744, 120746, 120770, 120772, 120779, 120782, 120831, 121344, 121398, 121403, 121452, 121461, 121461, 121476, 121476, 121499, 121503, 121505, 121519, 122880, 122886, 122888, 122904, 122907, 122913, 122915, 122916, 122918, 122922, 123136, 123180, 123184, 123197, 123200, 123209, 123214, 123214, 123584, 123641, 124928, 125124, 125136, 125142, 125184, 125259, 125264, 125273, 126464, 126467, 126469, 126495, 126497, 126498, 126500, 126500, 126503, 126503, 126505, 126514, 126516, 126519, 126521, 126521, 126523, 126523, 126530, 126530, 126535, 126535, 126537, 126537, 126539, 126539, 126541, 126543, 126545, 126546, 126548, 126548, 126551, 126551, 126553, 126553, 126555, 126555, 126557, 126557, 126559, 126559, 126561, 126562, 126564, 126564, 126567, 126570, 126572, 126578, 126580, 126583, 126585, 126588, 126590, 126590, 126592, 126601, 126603, 126619, 126625, 126627, 126629, 126633, 126635, 126651, 131072, 173782, 173824, 177972, 177984, 178205, 178208, 183969, 183984, 191456, 194560, 195101, 917760, 917999];
+    /**
+     * Test for whether a single line comment with leading whitespace trimmed's text contains a directive.
+     */
+    var commentDirectiveRegExSingleLine = /^\/\/\/?\s*@(ts-expect-error|ts-ignore)/;
+    /**
+     * Test for whether a multi-line comment with leading whitespace trimmed's last line contains a directive.
+     */
+    var commentDirectiveRegExMultiLine = /^(?:\/|\*)*\s*@(ts-expect-error|ts-ignore)/;
+    function lookupInUnicodeMap(code, map) {
+        // Bail out quickly if it couldn't possibly be in the map.
+        if (code < map[0]) {
+            return false;
+        }
+        // Perform binary search in one of the Unicode range maps
+        var lo = 0;
+        var hi = map.length;
+        var mid;
+        while (lo + 1 < hi) {
+            mid = lo + (hi - lo) / 2;
+            // mid has to be even to catch a range's beginning
+            mid -= mid % 2;
+            if (map[mid] <= code && code <= map[mid + 1]) {
+                return true;
+            }
+            if (code < map[mid]) {
+                hi = mid;
+            }
+            else {
+                lo = mid + 2;
+            }
+        }
+        return false;
+    }
+    /* @internal */ function isUnicodeIdentifierStart(code, languageVersion) {
+        return languageVersion >= 2 /* ScriptTarget.ES2015 */ ?
+            lookupInUnicodeMap(code, unicodeESNextIdentifierStart) :
+            languageVersion === 1 /* ScriptTarget.ES5 */ ? lookupInUnicodeMap(code, unicodeES5IdentifierStart) :
+                lookupInUnicodeMap(code, unicodeES3IdentifierStart);
+    }
+    ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart;
+    function isUnicodeIdentifierPart(code, languageVersion) {
+        return languageVersion >= 2 /* ScriptTarget.ES2015 */ ?
+            lookupInUnicodeMap(code, unicodeESNextIdentifierPart) :
+            languageVersion === 1 /* ScriptTarget.ES5 */ ? lookupInUnicodeMap(code, unicodeES5IdentifierPart) :
+                lookupInUnicodeMap(code, unicodeES3IdentifierPart);
+    }
+    function makeReverseMap(source) {
+        var result = [];
+        source.forEach(function (value, name) {
+            result[value] = name;
+        });
+        return result;
+    }
+    var tokenStrings = makeReverseMap(textToToken);
+    function tokenToString(t) {
+        return tokenStrings[t];
+    }
+    ts.tokenToString = tokenToString;
+    /* @internal */
+    function stringToToken(s) {
+        return textToToken.get(s);
+    }
+    ts.stringToToken = stringToToken;
+    /* @internal */
+    function computeLineStarts(text) {
+        var result = new Array();
+        var pos = 0;
+        var lineStart = 0;
+        while (pos < text.length) {
+            var ch = text.charCodeAt(pos);
+            pos++;
+            switch (ch) {
+                case 13 /* CharacterCodes.carriageReturn */:
+                    if (text.charCodeAt(pos) === 10 /* CharacterCodes.lineFeed */) {
+                        pos++;
+                    }
+                // falls through
+                case 10 /* CharacterCodes.lineFeed */:
+                    result.push(lineStart);
+                    lineStart = pos;
+                    break;
+                default:
+                    if (ch > 127 /* CharacterCodes.maxAsciiCharacter */ && isLineBreak(ch)) {
+                        result.push(lineStart);
+                        lineStart = pos;
+                    }
+                    break;
+            }
+        }
+        result.push(lineStart);
+        return result;
+    }
+    ts.computeLineStarts = computeLineStarts;
+    function getPositionOfLineAndCharacter(sourceFile, line, character, allowEdits) {
+        return sourceFile.getPositionOfLineAndCharacter ?
+            sourceFile.getPositionOfLineAndCharacter(line, character, allowEdits) :
+            computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character, sourceFile.text, allowEdits);
+    }
+    ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter;
+    /* @internal */
+    function computePositionOfLineAndCharacter(lineStarts, line, character, debugText, allowEdits) {
+        if (line < 0 || line >= lineStarts.length) {
+            if (allowEdits) {
+                // Clamp line to nearest allowable value
+                line = line < 0 ? 0 : line >= lineStarts.length ? lineStarts.length - 1 : line;
+            }
+            else {
+                ts.Debug.fail("Bad line number. Line: ".concat(line, ", lineStarts.length: ").concat(lineStarts.length, " , line map is correct? ").concat(debugText !== undefined ? ts.arraysEqual(lineStarts, computeLineStarts(debugText)) : "unknown"));
+            }
+        }
+        var res = lineStarts[line] + character;
+        if (allowEdits) {
+            // Clamp to nearest allowable values to allow the underlying to be edited without crashing (accuracy is lost, instead)
+            // TODO: Somehow track edits between file as it was during the creation of sourcemap we have and the current file and
+            // apply them to the computed position to improve accuracy
+            return res > lineStarts[line + 1] ? lineStarts[line + 1] : typeof debugText === "string" && res > debugText.length ? debugText.length : res;
+        }
+        if (line < lineStarts.length - 1) {
+            ts.Debug.assert(res < lineStarts[line + 1]);
+        }
+        else if (debugText !== undefined) {
+            ts.Debug.assert(res <= debugText.length); // Allow single character overflow for trailing newline
+        }
+        return res;
+    }
+    ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter;
+    /* @internal */
+    function getLineStarts(sourceFile) {
+        return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text));
+    }
+    ts.getLineStarts = getLineStarts;
+    /* @internal */
+    function computeLineAndCharacterOfPosition(lineStarts, position) {
+        var lineNumber = computeLineOfPosition(lineStarts, position);
+        return {
+            line: lineNumber,
+            character: position - lineStarts[lineNumber]
+        };
+    }
+    ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition;
+    /**
+     * @internal
+     * We assume the first line starts at position 0 and 'position' is non-negative.
+     */
+    function computeLineOfPosition(lineStarts, position, lowerBound) {
+        var lineNumber = ts.binarySearch(lineStarts, position, ts.identity, ts.compareValues, lowerBound);
+        if (lineNumber < 0) {
+            // If the actual position was not found,
+            // the binary search returns the 2's-complement of the next line start
+            // e.g. if the line starts at [5, 10, 23, 80] and the position requested was 20
+            // then the search will return -2.
+            //
+            // We want the index of the previous line start, so we subtract 1.
+            // Review 2's-complement if this is confusing.
+            lineNumber = ~lineNumber - 1;
+            ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file");
+        }
+        return lineNumber;
+    }
+    ts.computeLineOfPosition = computeLineOfPosition;
+    /** @internal */
+    function getLinesBetweenPositions(sourceFile, pos1, pos2) {
+        if (pos1 === pos2)
+            return 0;
+        var lineStarts = getLineStarts(sourceFile);
+        var lower = Math.min(pos1, pos2);
+        var isNegative = lower === pos2;
+        var upper = isNegative ? pos1 : pos2;
+        var lowerLine = computeLineOfPosition(lineStarts, lower);
+        var upperLine = computeLineOfPosition(lineStarts, upper, lowerLine);
+        return isNegative ? lowerLine - upperLine : upperLine - lowerLine;
+    }
+    ts.getLinesBetweenPositions = getLinesBetweenPositions;
+    function getLineAndCharacterOfPosition(sourceFile, position) {
+        return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
+    }
+    ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
+    function isWhiteSpaceLike(ch) {
+        return isWhiteSpaceSingleLine(ch) || isLineBreak(ch);
+    }
+    ts.isWhiteSpaceLike = isWhiteSpaceLike;
+    /** Does not include line breaks. For that, see isWhiteSpaceLike. */
+    function isWhiteSpaceSingleLine(ch) {
+        // Note: nextLine is in the Zs space, and should be considered to be a whitespace.
+        // It is explicitly not a line-break as it isn't in the exact set specified by EcmaScript.
+        return ch === 32 /* CharacterCodes.space */ ||
+            ch === 9 /* CharacterCodes.tab */ ||
+            ch === 11 /* CharacterCodes.verticalTab */ ||
+            ch === 12 /* CharacterCodes.formFeed */ ||
+            ch === 160 /* CharacterCodes.nonBreakingSpace */ ||
+            ch === 133 /* CharacterCodes.nextLine */ ||
+            ch === 5760 /* CharacterCodes.ogham */ ||
+            ch >= 8192 /* CharacterCodes.enQuad */ && ch <= 8203 /* CharacterCodes.zeroWidthSpace */ ||
+            ch === 8239 /* CharacterCodes.narrowNoBreakSpace */ ||
+            ch === 8287 /* CharacterCodes.mathematicalSpace */ ||
+            ch === 12288 /* CharacterCodes.ideographicSpace */ ||
+            ch === 65279 /* CharacterCodes.byteOrderMark */;
+    }
+    ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine;
+    function isLineBreak(ch) {
+        // ES5 7.3:
+        // The ECMAScript line terminator characters are listed in Table 3.
+        //     Table 3: Line Terminator Characters
+        //     Code Unit Value     Name                    Formal Name
+        //     \u000A              Line Feed               
+        //     \u000D              Carriage Return         
+        //     \u2028              Line separator          
+        //     \u2029              Paragraph separator     
+        // Only the characters in Table 3 are treated as line terminators. Other new line or line
+        // breaking characters are treated as white space but not as line terminators.
+        return ch === 10 /* CharacterCodes.lineFeed */ ||
+            ch === 13 /* CharacterCodes.carriageReturn */ ||
+            ch === 8232 /* CharacterCodes.lineSeparator */ ||
+            ch === 8233 /* CharacterCodes.paragraphSeparator */;
+    }
+    ts.isLineBreak = isLineBreak;
+    function isDigit(ch) {
+        return ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */;
+    }
+    function isHexDigit(ch) {
+        return isDigit(ch) || ch >= 65 /* CharacterCodes.A */ && ch <= 70 /* CharacterCodes.F */ || ch >= 97 /* CharacterCodes.a */ && ch <= 102 /* CharacterCodes.f */;
+    }
+    function isCodePoint(code) {
+        return code <= 0x10FFFF;
+    }
+    /* @internal */
+    function isOctalDigit(ch) {
+        return ch >= 48 /* CharacterCodes._0 */ && ch <= 55 /* CharacterCodes._7 */;
+    }
+    ts.isOctalDigit = isOctalDigit;
+    function couldStartTrivia(text, pos) {
+        // Keep in sync with skipTrivia
+        var ch = text.charCodeAt(pos);
+        switch (ch) {
+            case 13 /* CharacterCodes.carriageReturn */:
+            case 10 /* CharacterCodes.lineFeed */:
+            case 9 /* CharacterCodes.tab */:
+            case 11 /* CharacterCodes.verticalTab */:
+            case 12 /* CharacterCodes.formFeed */:
+            case 32 /* CharacterCodes.space */:
+            case 47 /* CharacterCodes.slash */:
+            // starts of normal trivia
+            // falls through
+            case 60 /* CharacterCodes.lessThan */:
+            case 124 /* CharacterCodes.bar */:
+            case 61 /* CharacterCodes.equals */:
+            case 62 /* CharacterCodes.greaterThan */:
+                // Starts of conflict marker trivia
+                return true;
+            case 35 /* CharacterCodes.hash */:
+                // Only if its the beginning can we have #! trivia
+                return pos === 0;
+            default:
+                return ch > 127 /* CharacterCodes.maxAsciiCharacter */;
+        }
+    }
+    ts.couldStartTrivia = couldStartTrivia;
+    /* @internal */
+    function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments, inJSDoc) {
+        if (ts.positionIsSynthesized(pos)) {
+            return pos;
+        }
+        var canConsumeStar = false;
+        // Keep in sync with couldStartTrivia
+        while (true) {
+            var ch = text.charCodeAt(pos);
+            switch (ch) {
+                case 13 /* CharacterCodes.carriageReturn */:
+                    if (text.charCodeAt(pos + 1) === 10 /* CharacterCodes.lineFeed */) {
+                        pos++;
+                    }
+                // falls through
+                case 10 /* CharacterCodes.lineFeed */:
+                    pos++;
+                    if (stopAfterLineBreak) {
+                        return pos;
+                    }
+                    canConsumeStar = !!inJSDoc;
+                    continue;
+                case 9 /* CharacterCodes.tab */:
+                case 11 /* CharacterCodes.verticalTab */:
+                case 12 /* CharacterCodes.formFeed */:
+                case 32 /* CharacterCodes.space */:
+                    pos++;
+                    continue;
+                case 47 /* CharacterCodes.slash */:
+                    if (stopAtComments) {
+                        break;
+                    }
+                    if (text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */) {
+                        pos += 2;
+                        while (pos < text.length) {
+                            if (isLineBreak(text.charCodeAt(pos))) {
+                                break;
+                            }
+                            pos++;
+                        }
+                        canConsumeStar = false;
+                        continue;
+                    }
+                    if (text.charCodeAt(pos + 1) === 42 /* CharacterCodes.asterisk */) {
+                        pos += 2;
+                        while (pos < text.length) {
+                            if (text.charCodeAt(pos) === 42 /* CharacterCodes.asterisk */ && text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */) {
+                                pos += 2;
+                                break;
+                            }
+                            pos++;
+                        }
+                        canConsumeStar = false;
+                        continue;
+                    }
+                    break;
+                case 60 /* CharacterCodes.lessThan */:
+                case 124 /* CharacterCodes.bar */:
+                case 61 /* CharacterCodes.equals */:
+                case 62 /* CharacterCodes.greaterThan */:
+                    if (isConflictMarkerTrivia(text, pos)) {
+                        pos = scanConflictMarkerTrivia(text, pos);
+                        canConsumeStar = false;
+                        continue;
+                    }
+                    break;
+                case 35 /* CharacterCodes.hash */:
+                    if (pos === 0 && isShebangTrivia(text, pos)) {
+                        pos = scanShebangTrivia(text, pos);
+                        canConsumeStar = false;
+                        continue;
+                    }
+                    break;
+                case 42 /* CharacterCodes.asterisk */:
+                    if (canConsumeStar) {
+                        pos++;
+                        canConsumeStar = false;
+                        continue;
+                    }
+                    break;
+                default:
+                    if (ch > 127 /* CharacterCodes.maxAsciiCharacter */ && (isWhiteSpaceLike(ch))) {
+                        pos++;
+                        continue;
+                    }
+                    break;
+            }
+            return pos;
+        }
+    }
+    ts.skipTrivia = skipTrivia;
+    // All conflict markers consist of the same character repeated seven times.  If it is
+    // a <<<<<<< or >>>>>>> marker then it is also followed by a space.
+    var mergeConflictMarkerLength = "<<<<<<<".length;
+    function isConflictMarkerTrivia(text, pos) {
+        ts.Debug.assert(pos >= 0);
+        // Conflict markers must be at the start of a line.
+        if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) {
+            var ch = text.charCodeAt(pos);
+            if ((pos + mergeConflictMarkerLength) < text.length) {
+                for (var i = 0; i < mergeConflictMarkerLength; i++) {
+                    if (text.charCodeAt(pos + i) !== ch) {
+                        return false;
+                    }
+                }
+                return ch === 61 /* CharacterCodes.equals */ ||
+                    text.charCodeAt(pos + mergeConflictMarkerLength) === 32 /* CharacterCodes.space */;
+            }
+        }
+        return false;
+    }
+    function scanConflictMarkerTrivia(text, pos, error) {
+        if (error) {
+            error(ts.Diagnostics.Merge_conflict_marker_encountered, pos, mergeConflictMarkerLength);
+        }
+        var ch = text.charCodeAt(pos);
+        var len = text.length;
+        if (ch === 60 /* CharacterCodes.lessThan */ || ch === 62 /* CharacterCodes.greaterThan */) {
+            while (pos < len && !isLineBreak(text.charCodeAt(pos))) {
+                pos++;
+            }
+        }
+        else {
+            ts.Debug.assert(ch === 124 /* CharacterCodes.bar */ || ch === 61 /* CharacterCodes.equals */);
+            // Consume everything from the start of a ||||||| or ======= marker to the start
+            // of the next ======= or >>>>>>> marker.
+            while (pos < len) {
+                var currentChar = text.charCodeAt(pos);
+                if ((currentChar === 61 /* CharacterCodes.equals */ || currentChar === 62 /* CharacterCodes.greaterThan */) && currentChar !== ch && isConflictMarkerTrivia(text, pos)) {
+                    break;
+                }
+                pos++;
+            }
+        }
+        return pos;
+    }
+    var shebangTriviaRegex = /^#!.*/;
+    /*@internal*/
+    function isShebangTrivia(text, pos) {
+        // Shebangs check must only be done at the start of the file
+        ts.Debug.assert(pos === 0);
+        return shebangTriviaRegex.test(text);
+    }
+    ts.isShebangTrivia = isShebangTrivia;
+    /*@internal*/
+    function scanShebangTrivia(text, pos) {
+        var shebang = shebangTriviaRegex.exec(text)[0];
+        pos = pos + shebang.length;
+        return pos;
+    }
+    ts.scanShebangTrivia = scanShebangTrivia;
+    /**
+     * Invokes a callback for each comment range following the provided position.
+     *
+     * Single-line comment ranges include the leading double-slash characters but not the ending
+     * line break. Multi-line comment ranges include the leading slash-asterisk and trailing
+     * asterisk-slash characters.
+     *
+     * @param reduce If true, accumulates the result of calling the callback in a fashion similar
+     *      to reduceLeft. If false, iteration stops when the callback returns a truthy value.
+     * @param text The source text to scan.
+     * @param pos The position at which to start scanning.
+     * @param trailing If false, whitespace is skipped until the first line break and comments
+     *      between that location and the next token are returned. If true, comments occurring
+     *      between the given position and the next line break are returned.
+     * @param cb The callback to execute as each comment range is encountered.
+     * @param state A state value to pass to each iteration of the callback.
+     * @param initial An initial value to pass when accumulating results (when "reduce" is true).
+     * @returns If "reduce" is true, the accumulated value. If "reduce" is false, the first truthy
+     *      return value of the callback.
+     */
+    function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) {
+        var pendingPos;
+        var pendingEnd;
+        var pendingKind;
+        var pendingHasTrailingNewLine;
+        var hasPendingCommentRange = false;
+        var collecting = trailing;
+        var accumulator = initial;
+        if (pos === 0) {
+            collecting = true;
+            var shebang = getShebang(text);
+            if (shebang) {
+                pos = shebang.length;
+            }
+        }
+        scan: while (pos >= 0 && pos < text.length) {
+            var ch = text.charCodeAt(pos);
+            switch (ch) {
+                case 13 /* CharacterCodes.carriageReturn */:
+                    if (text.charCodeAt(pos + 1) === 10 /* CharacterCodes.lineFeed */) {
+                        pos++;
+                    }
+                // falls through
+                case 10 /* CharacterCodes.lineFeed */:
+                    pos++;
+                    if (trailing) {
+                        break scan;
+                    }
+                    collecting = true;
+                    if (hasPendingCommentRange) {
+                        pendingHasTrailingNewLine = true;
+                    }
+                    continue;
+                case 9 /* CharacterCodes.tab */:
+                case 11 /* CharacterCodes.verticalTab */:
+                case 12 /* CharacterCodes.formFeed */:
+                case 32 /* CharacterCodes.space */:
+                    pos++;
+                    continue;
+                case 47 /* CharacterCodes.slash */:
+                    var nextChar = text.charCodeAt(pos + 1);
+                    var hasTrailingNewLine = false;
+                    if (nextChar === 47 /* CharacterCodes.slash */ || nextChar === 42 /* CharacterCodes.asterisk */) {
+                        var kind = nextChar === 47 /* CharacterCodes.slash */ ? 2 /* SyntaxKind.SingleLineCommentTrivia */ : 3 /* SyntaxKind.MultiLineCommentTrivia */;
+                        var startPos = pos;
+                        pos += 2;
+                        if (nextChar === 47 /* CharacterCodes.slash */) {
+                            while (pos < text.length) {
+                                if (isLineBreak(text.charCodeAt(pos))) {
+                                    hasTrailingNewLine = true;
+                                    break;
+                                }
+                                pos++;
+                            }
+                        }
+                        else {
+                            while (pos < text.length) {
+                                if (text.charCodeAt(pos) === 42 /* CharacterCodes.asterisk */ && text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */) {
+                                    pos += 2;
+                                    break;
+                                }
+                                pos++;
+                            }
+                        }
+                        if (collecting) {
+                            if (hasPendingCommentRange) {
+                                accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
+                                if (!reduce && accumulator) {
+                                    // If we are not reducing and we have a truthy result, return it.
+                                    return accumulator;
+                                }
+                            }
+                            pendingPos = startPos;
+                            pendingEnd = pos;
+                            pendingKind = kind;
+                            pendingHasTrailingNewLine = hasTrailingNewLine;
+                            hasPendingCommentRange = true;
+                        }
+                        continue;
+                    }
+                    break scan;
+                default:
+                    if (ch > 127 /* CharacterCodes.maxAsciiCharacter */ && (isWhiteSpaceLike(ch))) {
+                        if (hasPendingCommentRange && isLineBreak(ch)) {
+                            pendingHasTrailingNewLine = true;
+                        }
+                        pos++;
+                        continue;
+                    }
+                    break scan;
+            }
+        }
+        if (hasPendingCommentRange) {
+            accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
+        }
+        return accumulator;
+    }
+    function forEachLeadingCommentRange(text, pos, cb, state) {
+        return iterateCommentRanges(/*reduce*/ false, text, pos, /*trailing*/ false, cb, state);
+    }
+    ts.forEachLeadingCommentRange = forEachLeadingCommentRange;
+    function forEachTrailingCommentRange(text, pos, cb, state) {
+        return iterateCommentRanges(/*reduce*/ false, text, pos, /*trailing*/ true, cb, state);
+    }
+    ts.forEachTrailingCommentRange = forEachTrailingCommentRange;
+    function reduceEachLeadingCommentRange(text, pos, cb, state, initial) {
+        return iterateCommentRanges(/*reduce*/ true, text, pos, /*trailing*/ false, cb, state, initial);
+    }
+    ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange;
+    function reduceEachTrailingCommentRange(text, pos, cb, state, initial) {
+        return iterateCommentRanges(/*reduce*/ true, text, pos, /*trailing*/ true, cb, state, initial);
+    }
+    ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange;
+    function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) {
+        if (!comments) {
+            comments = [];
+        }
+        comments.push({ kind: kind, pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine });
+        return comments;
+    }
+    function getLeadingCommentRanges(text, pos) {
+        return reduceEachLeadingCommentRange(text, pos, appendCommentRange, /*state*/ undefined, /*initial*/ undefined);
+    }
+    ts.getLeadingCommentRanges = getLeadingCommentRanges;
+    function getTrailingCommentRanges(text, pos) {
+        return reduceEachTrailingCommentRange(text, pos, appendCommentRange, /*state*/ undefined, /*initial*/ undefined);
+    }
+    ts.getTrailingCommentRanges = getTrailingCommentRanges;
+    /** Optionally, get the shebang */
+    function getShebang(text) {
+        var match = shebangTriviaRegex.exec(text);
+        if (match) {
+            return match[0];
+        }
+    }
+    ts.getShebang = getShebang;
+    function isIdentifierStart(ch, languageVersion) {
+        return ch >= 65 /* CharacterCodes.A */ && ch <= 90 /* CharacterCodes.Z */ || ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */ ||
+            ch === 36 /* CharacterCodes.$ */ || ch === 95 /* CharacterCodes._ */ ||
+            ch > 127 /* CharacterCodes.maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion);
+    }
+    ts.isIdentifierStart = isIdentifierStart;
+    function isIdentifierPart(ch, languageVersion, identifierVariant) {
+        return ch >= 65 /* CharacterCodes.A */ && ch <= 90 /* CharacterCodes.Z */ || ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */ ||
+            ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */ || ch === 36 /* CharacterCodes.$ */ || ch === 95 /* CharacterCodes._ */ ||
+            // "-" and ":" are valid in JSX Identifiers
+            (identifierVariant === 1 /* LanguageVariant.JSX */ ? (ch === 45 /* CharacterCodes.minus */ || ch === 58 /* CharacterCodes.colon */) : false) ||
+            ch > 127 /* CharacterCodes.maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion);
+    }
+    ts.isIdentifierPart = isIdentifierPart;
+    /* @internal */
+    function isIdentifierText(name, languageVersion, identifierVariant) {
+        var ch = codePointAt(name, 0);
+        if (!isIdentifierStart(ch, languageVersion)) {
+            return false;
+        }
+        for (var i = charSize(ch); i < name.length; i += charSize(ch)) {
+            if (!isIdentifierPart(ch = codePointAt(name, i), languageVersion, identifierVariant)) {
+                return false;
+            }
+        }
+        return true;
+    }
+    ts.isIdentifierText = isIdentifierText;
+    // Creates a scanner over a (possibly unspecified) range of a piece of text.
+    function createScanner(languageVersion, skipTrivia, languageVariant, textInitial, onError, start, length) {
+        if (languageVariant === void 0) { languageVariant = 0 /* LanguageVariant.Standard */; }
+        var text = textInitial;
+        // Current position (end position of text of current token)
+        var pos;
+        // end of text
+        var end;
+        // Start position of whitespace before current token
+        var startPos;
+        // Start position of text of current token
+        var tokenPos;
+        var token;
+        var tokenValue;
+        var tokenFlags;
+        var commentDirectives;
+        var inJSDocType = 0;
+        setText(text, start, length);
+        var scanner = {
+            getStartPos: function () { return startPos; },
+            getTextPos: function () { return pos; },
+            getToken: function () { return token; },
+            getTokenPos: function () { return tokenPos; },
+            getTokenText: function () { return text.substring(tokenPos, pos); },
+            getTokenValue: function () { return tokenValue; },
+            hasUnicodeEscape: function () { return (tokenFlags & 1024 /* TokenFlags.UnicodeEscape */) !== 0; },
+            hasExtendedUnicodeEscape: function () { return (tokenFlags & 8 /* TokenFlags.ExtendedUnicodeEscape */) !== 0; },
+            hasPrecedingLineBreak: function () { return (tokenFlags & 1 /* TokenFlags.PrecedingLineBreak */) !== 0; },
+            hasPrecedingJSDocComment: function () { return (tokenFlags & 2 /* TokenFlags.PrecedingJSDocComment */) !== 0; },
+            isIdentifier: function () { return token === 79 /* SyntaxKind.Identifier */ || token > 116 /* SyntaxKind.LastReservedWord */; },
+            isReservedWord: function () { return token >= 81 /* SyntaxKind.FirstReservedWord */ && token <= 116 /* SyntaxKind.LastReservedWord */; },
+            isUnterminated: function () { return (tokenFlags & 4 /* TokenFlags.Unterminated */) !== 0; },
+            getCommentDirectives: function () { return commentDirectives; },
+            getNumericLiteralFlags: function () { return tokenFlags & 1008 /* TokenFlags.NumericLiteralFlags */; },
+            getTokenFlags: function () { return tokenFlags; },
+            reScanGreaterToken: reScanGreaterToken,
+            reScanAsteriskEqualsToken: reScanAsteriskEqualsToken,
+            reScanSlashToken: reScanSlashToken,
+            reScanTemplateToken: reScanTemplateToken,
+            reScanTemplateHeadOrNoSubstitutionTemplate: reScanTemplateHeadOrNoSubstitutionTemplate,
+            scanJsxIdentifier: scanJsxIdentifier,
+            scanJsxAttributeValue: scanJsxAttributeValue,
+            reScanJsxAttributeValue: reScanJsxAttributeValue,
+            reScanJsxToken: reScanJsxToken,
+            reScanLessThanToken: reScanLessThanToken,
+            reScanHashToken: reScanHashToken,
+            reScanQuestionToken: reScanQuestionToken,
+            reScanInvalidIdentifier: reScanInvalidIdentifier,
+            scanJsxToken: scanJsxToken,
+            scanJsDocToken: scanJsDocToken,
+            scan: scan,
+            getText: getText,
+            clearCommentDirectives: clearCommentDirectives,
+            setText: setText,
+            setScriptTarget: setScriptTarget,
+            setLanguageVariant: setLanguageVariant,
+            setOnError: setOnError,
+            setTextPos: setTextPos,
+            setInJSDocType: setInJSDocType,
+            tryScan: tryScan,
+            lookAhead: lookAhead,
+            scanRange: scanRange,
+        };
+        if (ts.Debug.isDebugging) {
+            Object.defineProperty(scanner, "__debugShowCurrentPositionInText", {
+                get: function () {
+                    var text = scanner.getText();
+                    return text.slice(0, scanner.getStartPos()) + "║" + text.slice(scanner.getStartPos());
+                },
+            });
+        }
+        return scanner;
+        function error(message, errPos, length) {
+            if (errPos === void 0) { errPos = pos; }
+            if (onError) {
+                var oldPos = pos;
+                pos = errPos;
+                onError(message, length || 0);
+                pos = oldPos;
+            }
+        }
+        function scanNumberFragment() {
+            var start = pos;
+            var allowSeparator = false;
+            var isPreviousTokenSeparator = false;
+            var result = "";
+            while (true) {
+                var ch = text.charCodeAt(pos);
+                if (ch === 95 /* CharacterCodes._ */) {
+                    tokenFlags |= 512 /* TokenFlags.ContainsSeparator */;
+                    if (allowSeparator) {
+                        allowSeparator = false;
+                        isPreviousTokenSeparator = true;
+                        result += text.substring(start, pos);
+                    }
+                    else if (isPreviousTokenSeparator) {
+                        error(ts.Diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, pos, 1);
+                    }
+                    else {
+                        error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos, 1);
+                    }
+                    pos++;
+                    start = pos;
+                    continue;
+                }
+                if (isDigit(ch)) {
+                    allowSeparator = true;
+                    isPreviousTokenSeparator = false;
+                    pos++;
+                    continue;
+                }
+                break;
+            }
+            if (text.charCodeAt(pos - 1) === 95 /* CharacterCodes._ */) {
+                error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos - 1, 1);
+            }
+            return result + text.substring(start, pos);
+        }
+        function scanNumber() {
+            var start = pos;
+            var mainFragment = scanNumberFragment();
+            var decimalFragment;
+            var scientificFragment;
+            if (text.charCodeAt(pos) === 46 /* CharacterCodes.dot */) {
+                pos++;
+                decimalFragment = scanNumberFragment();
+            }
+            var end = pos;
+            if (text.charCodeAt(pos) === 69 /* CharacterCodes.E */ || text.charCodeAt(pos) === 101 /* CharacterCodes.e */) {
+                pos++;
+                tokenFlags |= 16 /* TokenFlags.Scientific */;
+                if (text.charCodeAt(pos) === 43 /* CharacterCodes.plus */ || text.charCodeAt(pos) === 45 /* CharacterCodes.minus */)
+                    pos++;
+                var preNumericPart = pos;
+                var finalFragment = scanNumberFragment();
+                if (!finalFragment) {
+                    error(ts.Diagnostics.Digit_expected);
+                }
+                else {
+                    scientificFragment = text.substring(end, preNumericPart) + finalFragment;
+                    end = pos;
+                }
+            }
+            var result;
+            if (tokenFlags & 512 /* TokenFlags.ContainsSeparator */) {
+                result = mainFragment;
+                if (decimalFragment) {
+                    result += "." + decimalFragment;
+                }
+                if (scientificFragment) {
+                    result += scientificFragment;
+                }
+            }
+            else {
+                result = text.substring(start, end); // No need to use all the fragments; no _ removal needed
+            }
+            if (decimalFragment !== undefined || tokenFlags & 16 /* TokenFlags.Scientific */) {
+                checkForIdentifierStartAfterNumericLiteral(start, decimalFragment === undefined && !!(tokenFlags & 16 /* TokenFlags.Scientific */));
+                return {
+                    type: 8 /* SyntaxKind.NumericLiteral */,
+                    value: "" + +result // if value is not an integer, it can be safely coerced to a number
+                };
+            }
+            else {
+                tokenValue = result;
+                var type = checkBigIntSuffix(); // if value is an integer, check whether it is a bigint
+                checkForIdentifierStartAfterNumericLiteral(start);
+                return { type: type, value: tokenValue };
+            }
+        }
+        function checkForIdentifierStartAfterNumericLiteral(numericStart, isScientific) {
+            if (!isIdentifierStart(codePointAt(text, pos), languageVersion)) {
+                return;
+            }
+            var identifierStart = pos;
+            var length = scanIdentifierParts().length;
+            if (length === 1 && text[identifierStart] === "n") {
+                if (isScientific) {
+                    error(ts.Diagnostics.A_bigint_literal_cannot_use_exponential_notation, numericStart, identifierStart - numericStart + 1);
+                }
+                else {
+                    error(ts.Diagnostics.A_bigint_literal_must_be_an_integer, numericStart, identifierStart - numericStart + 1);
+                }
+            }
+            else {
+                error(ts.Diagnostics.An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal, identifierStart, length);
+                pos = identifierStart;
+            }
+        }
+        function scanOctalDigits() {
+            var start = pos;
+            while (isOctalDigit(text.charCodeAt(pos))) {
+                pos++;
+            }
+            return +(text.substring(start, pos));
+        }
+        /**
+         * Scans the given number of hexadecimal digits in the text,
+         * returning -1 if the given number is unavailable.
+         */
+        function scanExactNumberOfHexDigits(count, canHaveSeparators) {
+            var valueString = scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false, canHaveSeparators);
+            return valueString ? parseInt(valueString, 16) : -1;
+        }
+        /**
+         * Scans as many hexadecimal digits as are available in the text,
+         * returning "" if the given number of digits was unavailable.
+         */
+        function scanMinimumNumberOfHexDigits(count, canHaveSeparators) {
+            return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ true, canHaveSeparators);
+        }
+        function scanHexDigits(minCount, scanAsManyAsPossible, canHaveSeparators) {
+            var valueChars = [];
+            var allowSeparator = false;
+            var isPreviousTokenSeparator = false;
+            while (valueChars.length < minCount || scanAsManyAsPossible) {
+                var ch = text.charCodeAt(pos);
+                if (canHaveSeparators && ch === 95 /* CharacterCodes._ */) {
+                    tokenFlags |= 512 /* TokenFlags.ContainsSeparator */;
+                    if (allowSeparator) {
+                        allowSeparator = false;
+                        isPreviousTokenSeparator = true;
+                    }
+                    else if (isPreviousTokenSeparator) {
+                        error(ts.Diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, pos, 1);
+                    }
+                    else {
+                        error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos, 1);
+                    }
+                    pos++;
+                    continue;
+                }
+                allowSeparator = canHaveSeparators;
+                if (ch >= 65 /* CharacterCodes.A */ && ch <= 70 /* CharacterCodes.F */) {
+                    ch += 97 /* CharacterCodes.a */ - 65 /* CharacterCodes.A */; // standardize hex literals to lowercase
+                }
+                else if (!((ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */) ||
+                    (ch >= 97 /* CharacterCodes.a */ && ch <= 102 /* CharacterCodes.f */))) {
+                    break;
+                }
+                valueChars.push(ch);
+                pos++;
+                isPreviousTokenSeparator = false;
+            }
+            if (valueChars.length < minCount) {
+                valueChars = [];
+            }
+            if (text.charCodeAt(pos - 1) === 95 /* CharacterCodes._ */) {
+                error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos - 1, 1);
+            }
+            return String.fromCharCode.apply(String, valueChars);
+        }
+        function scanString(jsxAttributeString) {
+            if (jsxAttributeString === void 0) { jsxAttributeString = false; }
+            var quote = text.charCodeAt(pos);
+            pos++;
+            var result = "";
+            var start = pos;
+            while (true) {
+                if (pos >= end) {
+                    result += text.substring(start, pos);
+                    tokenFlags |= 4 /* TokenFlags.Unterminated */;
+                    error(ts.Diagnostics.Unterminated_string_literal);
+                    break;
+                }
+                var ch = text.charCodeAt(pos);
+                if (ch === quote) {
+                    result += text.substring(start, pos);
+                    pos++;
+                    break;
+                }
+                if (ch === 92 /* CharacterCodes.backslash */ && !jsxAttributeString) {
+                    result += text.substring(start, pos);
+                    result += scanEscapeSequence();
+                    start = pos;
+                    continue;
+                }
+                if (isLineBreak(ch) && !jsxAttributeString) {
+                    result += text.substring(start, pos);
+                    tokenFlags |= 4 /* TokenFlags.Unterminated */;
+                    error(ts.Diagnostics.Unterminated_string_literal);
+                    break;
+                }
+                pos++;
+            }
+            return result;
+        }
+        /**
+         * Sets the current 'tokenValue' and returns a NoSubstitutionTemplateLiteral or
+         * a literal component of a TemplateExpression.
+         */
+        function scanTemplateAndSetTokenValue(isTaggedTemplate) {
+            var startedWithBacktick = text.charCodeAt(pos) === 96 /* CharacterCodes.backtick */;
+            pos++;
+            var start = pos;
+            var contents = "";
+            var resultingToken;
+            while (true) {
+                if (pos >= end) {
+                    contents += text.substring(start, pos);
+                    tokenFlags |= 4 /* TokenFlags.Unterminated */;
+                    error(ts.Diagnostics.Unterminated_template_literal);
+                    resultingToken = startedWithBacktick ? 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ : 17 /* SyntaxKind.TemplateTail */;
+                    break;
+                }
+                var currChar = text.charCodeAt(pos);
+                // '`'
+                if (currChar === 96 /* CharacterCodes.backtick */) {
+                    contents += text.substring(start, pos);
+                    pos++;
+                    resultingToken = startedWithBacktick ? 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ : 17 /* SyntaxKind.TemplateTail */;
+                    break;
+                }
+                // '${'
+                if (currChar === 36 /* CharacterCodes.$ */ && pos + 1 < end && text.charCodeAt(pos + 1) === 123 /* CharacterCodes.openBrace */) {
+                    contents += text.substring(start, pos);
+                    pos += 2;
+                    resultingToken = startedWithBacktick ? 15 /* SyntaxKind.TemplateHead */ : 16 /* SyntaxKind.TemplateMiddle */;
+                    break;
+                }
+                // Escape character
+                if (currChar === 92 /* CharacterCodes.backslash */) {
+                    contents += text.substring(start, pos);
+                    contents += scanEscapeSequence(isTaggedTemplate);
+                    start = pos;
+                    continue;
+                }
+                // Speculated ECMAScript 6 Spec 11.8.6.1:
+                //  and  LineTerminatorSequences are normalized to  for Template Values
+                if (currChar === 13 /* CharacterCodes.carriageReturn */) {
+                    contents += text.substring(start, pos);
+                    pos++;
+                    if (pos < end && text.charCodeAt(pos) === 10 /* CharacterCodes.lineFeed */) {
+                        pos++;
+                    }
+                    contents += "\n";
+                    start = pos;
+                    continue;
+                }
+                pos++;
+            }
+            ts.Debug.assert(resultingToken !== undefined);
+            tokenValue = contents;
+            return resultingToken;
+        }
+        function scanEscapeSequence(isTaggedTemplate) {
+            var start = pos;
+            pos++;
+            if (pos >= end) {
+                error(ts.Diagnostics.Unexpected_end_of_text);
+                return "";
+            }
+            var ch = text.charCodeAt(pos);
+            pos++;
+            switch (ch) {
+                case 48 /* CharacterCodes._0 */:
+                    // '\01'
+                    if (isTaggedTemplate && pos < end && isDigit(text.charCodeAt(pos))) {
+                        pos++;
+                        tokenFlags |= 2048 /* TokenFlags.ContainsInvalidEscape */;
+                        return text.substring(start, pos);
+                    }
+                    return "\0";
+                case 98 /* CharacterCodes.b */:
+                    return "\b";
+                case 116 /* CharacterCodes.t */:
+                    return "\t";
+                case 110 /* CharacterCodes.n */:
+                    return "\n";
+                case 118 /* CharacterCodes.v */:
+                    return "\v";
+                case 102 /* CharacterCodes.f */:
+                    return "\f";
+                case 114 /* CharacterCodes.r */:
+                    return "\r";
+                case 39 /* CharacterCodes.singleQuote */:
+                    return "\'";
+                case 34 /* CharacterCodes.doubleQuote */:
+                    return "\"";
+                case 117 /* CharacterCodes.u */:
+                    if (isTaggedTemplate) {
+                        // '\u' or '\u0' or '\u00' or '\u000'
+                        for (var escapePos = pos; escapePos < pos + 4; escapePos++) {
+                            if (escapePos < end && !isHexDigit(text.charCodeAt(escapePos)) && text.charCodeAt(escapePos) !== 123 /* CharacterCodes.openBrace */) {
+                                pos = escapePos;
+                                tokenFlags |= 2048 /* TokenFlags.ContainsInvalidEscape */;
+                                return text.substring(start, pos);
+                            }
+                        }
+                    }
+                    // '\u{DDDDDDDD}'
+                    if (pos < end && text.charCodeAt(pos) === 123 /* CharacterCodes.openBrace */) {
+                        pos++;
+                        // '\u{'
+                        if (isTaggedTemplate && !isHexDigit(text.charCodeAt(pos))) {
+                            tokenFlags |= 2048 /* TokenFlags.ContainsInvalidEscape */;
+                            return text.substring(start, pos);
+                        }
+                        if (isTaggedTemplate) {
+                            var savePos = pos;
+                            var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
+                            var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
+                            // '\u{Not Code Point' or '\u{CodePoint'
+                            if (!isCodePoint(escapedValue) || text.charCodeAt(pos) !== 125 /* CharacterCodes.closeBrace */) {
+                                tokenFlags |= 2048 /* TokenFlags.ContainsInvalidEscape */;
+                                return text.substring(start, pos);
+                            }
+                            else {
+                                pos = savePos;
+                            }
+                        }
+                        tokenFlags |= 8 /* TokenFlags.ExtendedUnicodeEscape */;
+                        return scanExtendedUnicodeEscape();
+                    }
+                    tokenFlags |= 1024 /* TokenFlags.UnicodeEscape */;
+                    // '\uDDDD'
+                    return scanHexadecimalEscape(/*numDigits*/ 4);
+                case 120 /* CharacterCodes.x */:
+                    if (isTaggedTemplate) {
+                        if (!isHexDigit(text.charCodeAt(pos))) {
+                            tokenFlags |= 2048 /* TokenFlags.ContainsInvalidEscape */;
+                            return text.substring(start, pos);
+                        }
+                        else if (!isHexDigit(text.charCodeAt(pos + 1))) {
+                            pos++;
+                            tokenFlags |= 2048 /* TokenFlags.ContainsInvalidEscape */;
+                            return text.substring(start, pos);
+                        }
+                    }
+                    // '\xDD'
+                    return scanHexadecimalEscape(/*numDigits*/ 2);
+                // when encountering a LineContinuation (i.e. a backslash and a line terminator sequence),
+                // the line terminator is interpreted to be "the empty code unit sequence".
+                case 13 /* CharacterCodes.carriageReturn */:
+                    if (pos < end && text.charCodeAt(pos) === 10 /* CharacterCodes.lineFeed */) {
+                        pos++;
+                    }
+                // falls through
+                case 10 /* CharacterCodes.lineFeed */:
+                case 8232 /* CharacterCodes.lineSeparator */:
+                case 8233 /* CharacterCodes.paragraphSeparator */:
+                    return "";
+                default:
+                    return String.fromCharCode(ch);
+            }
+        }
+        function scanHexadecimalEscape(numDigits) {
+            var escapedValue = scanExactNumberOfHexDigits(numDigits, /*canHaveSeparators*/ false);
+            if (escapedValue >= 0) {
+                return String.fromCharCode(escapedValue);
+            }
+            else {
+                error(ts.Diagnostics.Hexadecimal_digit_expected);
+                return "";
+            }
+        }
+        function scanExtendedUnicodeEscape() {
+            var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
+            var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
+            var isInvalidExtendedEscape = false;
+            // Validate the value of the digit
+            if (escapedValue < 0) {
+                error(ts.Diagnostics.Hexadecimal_digit_expected);
+                isInvalidExtendedEscape = true;
+            }
+            else if (escapedValue > 0x10FFFF) {
+                error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive);
+                isInvalidExtendedEscape = true;
+            }
+            if (pos >= end) {
+                error(ts.Diagnostics.Unexpected_end_of_text);
+                isInvalidExtendedEscape = true;
+            }
+            else if (text.charCodeAt(pos) === 125 /* CharacterCodes.closeBrace */) {
+                // Only swallow the following character up if it's a '}'.
+                pos++;
+            }
+            else {
+                error(ts.Diagnostics.Unterminated_Unicode_escape_sequence);
+                isInvalidExtendedEscape = true;
+            }
+            if (isInvalidExtendedEscape) {
+                return "";
+            }
+            return utf16EncodeAsString(escapedValue);
+        }
+        // Current character is known to be a backslash. Check for Unicode escape of the form '\uXXXX'
+        // and return code point value if valid Unicode escape is found. Otherwise return -1.
+        function peekUnicodeEscape() {
+            if (pos + 5 < end && text.charCodeAt(pos + 1) === 117 /* CharacterCodes.u */) {
+                var start_1 = pos;
+                pos += 2;
+                var value = scanExactNumberOfHexDigits(4, /*canHaveSeparators*/ false);
+                pos = start_1;
+                return value;
+            }
+            return -1;
+        }
+        function peekExtendedUnicodeEscape() {
+            if (languageVersion >= 2 /* ScriptTarget.ES2015 */ && codePointAt(text, pos + 1) === 117 /* CharacterCodes.u */ && codePointAt(text, pos + 2) === 123 /* CharacterCodes.openBrace */) {
+                var start_2 = pos;
+                pos += 3;
+                var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
+                var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
+                pos = start_2;
+                return escapedValue;
+            }
+            return -1;
+        }
+        function scanIdentifierParts() {
+            var result = "";
+            var start = pos;
+            while (pos < end) {
+                var ch = codePointAt(text, pos);
+                if (isIdentifierPart(ch, languageVersion)) {
+                    pos += charSize(ch);
+                }
+                else if (ch === 92 /* CharacterCodes.backslash */) {
+                    ch = peekExtendedUnicodeEscape();
+                    if (ch >= 0 && isIdentifierPart(ch, languageVersion)) {
+                        pos += 3;
+                        tokenFlags |= 8 /* TokenFlags.ExtendedUnicodeEscape */;
+                        result += scanExtendedUnicodeEscape();
+                        start = pos;
+                        continue;
+                    }
+                    ch = peekUnicodeEscape();
+                    if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) {
+                        break;
+                    }
+                    tokenFlags |= 1024 /* TokenFlags.UnicodeEscape */;
+                    result += text.substring(start, pos);
+                    result += utf16EncodeAsString(ch);
+                    // Valid Unicode escape is always six characters
+                    pos += 6;
+                    start = pos;
+                }
+                else {
+                    break;
+                }
+            }
+            result += text.substring(start, pos);
+            return result;
+        }
+        function getIdentifierToken() {
+            // Reserved words are between 2 and 12 characters long and start with a lowercase letter
+            var len = tokenValue.length;
+            if (len >= 2 && len <= 12) {
+                var ch = tokenValue.charCodeAt(0);
+                if (ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */) {
+                    var keyword = textToKeyword.get(tokenValue);
+                    if (keyword !== undefined) {
+                        return token = keyword;
+                    }
+                }
+            }
+            return token = 79 /* SyntaxKind.Identifier */;
+        }
+        function scanBinaryOrOctalDigits(base) {
+            var value = "";
+            // For counting number of digits; Valid binaryIntegerLiteral must have at least one binary digit following B or b.
+            // Similarly valid octalIntegerLiteral must have at least one octal digit following o or O.
+            var separatorAllowed = false;
+            var isPreviousTokenSeparator = false;
+            while (true) {
+                var ch = text.charCodeAt(pos);
+                // Numeric separators are allowed anywhere within a numeric literal, except not at the beginning, or following another separator
+                if (ch === 95 /* CharacterCodes._ */) {
+                    tokenFlags |= 512 /* TokenFlags.ContainsSeparator */;
+                    if (separatorAllowed) {
+                        separatorAllowed = false;
+                        isPreviousTokenSeparator = true;
+                    }
+                    else if (isPreviousTokenSeparator) {
+                        error(ts.Diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, pos, 1);
+                    }
+                    else {
+                        error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos, 1);
+                    }
+                    pos++;
+                    continue;
+                }
+                separatorAllowed = true;
+                if (!isDigit(ch) || ch - 48 /* CharacterCodes._0 */ >= base) {
+                    break;
+                }
+                value += text[pos];
+                pos++;
+                isPreviousTokenSeparator = false;
+            }
+            if (text.charCodeAt(pos - 1) === 95 /* CharacterCodes._ */) {
+                // Literal ends with underscore - not allowed
+                error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos - 1, 1);
+            }
+            return value;
+        }
+        function checkBigIntSuffix() {
+            if (text.charCodeAt(pos) === 110 /* CharacterCodes.n */) {
+                tokenValue += "n";
+                // Use base 10 instead of base 2 or base 8 for shorter literals
+                if (tokenFlags & 384 /* TokenFlags.BinaryOrOctalSpecifier */) {
+                    tokenValue = ts.parsePseudoBigInt(tokenValue) + "n";
+                }
+                pos++;
+                return 9 /* SyntaxKind.BigIntLiteral */;
+            }
+            else { // not a bigint, so can convert to number in simplified form
+                // Number() may not support 0b or 0o, so use parseInt() instead
+                var numericValue = tokenFlags & 128 /* TokenFlags.BinarySpecifier */
+                    ? parseInt(tokenValue.slice(2), 2) // skip "0b"
+                    : tokenFlags & 256 /* TokenFlags.OctalSpecifier */
+                        ? parseInt(tokenValue.slice(2), 8) // skip "0o"
+                        : +tokenValue;
+                tokenValue = "" + numericValue;
+                return 8 /* SyntaxKind.NumericLiteral */;
+            }
+        }
+        function scan() {
+            var _a;
+            startPos = pos;
+            tokenFlags = 0 /* TokenFlags.None */;
+            var asteriskSeen = false;
+            while (true) {
+                tokenPos = pos;
+                if (pos >= end) {
+                    return token = 1 /* SyntaxKind.EndOfFileToken */;
+                }
+                var ch = codePointAt(text, pos);
+                // Special handling for shebang
+                if (ch === 35 /* CharacterCodes.hash */ && pos === 0 && isShebangTrivia(text, pos)) {
+                    pos = scanShebangTrivia(text, pos);
+                    if (skipTrivia) {
+                        continue;
+                    }
+                    else {
+                        return token = 6 /* SyntaxKind.ShebangTrivia */;
+                    }
+                }
+                switch (ch) {
+                    case 10 /* CharacterCodes.lineFeed */:
+                    case 13 /* CharacterCodes.carriageReturn */:
+                        tokenFlags |= 1 /* TokenFlags.PrecedingLineBreak */;
+                        if (skipTrivia) {
+                            pos++;
+                            continue;
+                        }
+                        else {
+                            if (ch === 13 /* CharacterCodes.carriageReturn */ && pos + 1 < end && text.charCodeAt(pos + 1) === 10 /* CharacterCodes.lineFeed */) {
+                                // consume both CR and LF
+                                pos += 2;
+                            }
+                            else {
+                                pos++;
+                            }
+                            return token = 4 /* SyntaxKind.NewLineTrivia */;
+                        }
+                    case 9 /* CharacterCodes.tab */:
+                    case 11 /* CharacterCodes.verticalTab */:
+                    case 12 /* CharacterCodes.formFeed */:
+                    case 32 /* CharacterCodes.space */:
+                    case 160 /* CharacterCodes.nonBreakingSpace */:
+                    case 5760 /* CharacterCodes.ogham */:
+                    case 8192 /* CharacterCodes.enQuad */:
+                    case 8193 /* CharacterCodes.emQuad */:
+                    case 8194 /* CharacterCodes.enSpace */:
+                    case 8195 /* CharacterCodes.emSpace */:
+                    case 8196 /* CharacterCodes.threePerEmSpace */:
+                    case 8197 /* CharacterCodes.fourPerEmSpace */:
+                    case 8198 /* CharacterCodes.sixPerEmSpace */:
+                    case 8199 /* CharacterCodes.figureSpace */:
+                    case 8200 /* CharacterCodes.punctuationSpace */:
+                    case 8201 /* CharacterCodes.thinSpace */:
+                    case 8202 /* CharacterCodes.hairSpace */:
+                    case 8203 /* CharacterCodes.zeroWidthSpace */:
+                    case 8239 /* CharacterCodes.narrowNoBreakSpace */:
+                    case 8287 /* CharacterCodes.mathematicalSpace */:
+                    case 12288 /* CharacterCodes.ideographicSpace */:
+                    case 65279 /* CharacterCodes.byteOrderMark */:
+                        if (skipTrivia) {
+                            pos++;
+                            continue;
+                        }
+                        else {
+                            while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
+                                pos++;
+                            }
+                            return token = 5 /* SyntaxKind.WhitespaceTrivia */;
+                        }
+                    case 33 /* CharacterCodes.exclamation */:
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 37 /* SyntaxKind.ExclamationEqualsEqualsToken */;
+                            }
+                            return pos += 2, token = 35 /* SyntaxKind.ExclamationEqualsToken */;
+                        }
+                        pos++;
+                        return token = 53 /* SyntaxKind.ExclamationToken */;
+                    case 34 /* CharacterCodes.doubleQuote */:
+                    case 39 /* CharacterCodes.singleQuote */:
+                        tokenValue = scanString();
+                        return token = 10 /* SyntaxKind.StringLiteral */;
+                    case 96 /* CharacterCodes.backtick */:
+                        return token = scanTemplateAndSetTokenValue(/* isTaggedTemplate */ false);
+                    case 37 /* CharacterCodes.percent */:
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 69 /* SyntaxKind.PercentEqualsToken */;
+                        }
+                        pos++;
+                        return token = 44 /* SyntaxKind.PercentToken */;
+                    case 38 /* CharacterCodes.ampersand */:
+                        if (text.charCodeAt(pos + 1) === 38 /* CharacterCodes.ampersand */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */;
+                            }
+                            return pos += 2, token = 55 /* SyntaxKind.AmpersandAmpersandToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 73 /* SyntaxKind.AmpersandEqualsToken */;
+                        }
+                        pos++;
+                        return token = 50 /* SyntaxKind.AmpersandToken */;
+                    case 40 /* CharacterCodes.openParen */:
+                        pos++;
+                        return token = 20 /* SyntaxKind.OpenParenToken */;
+                    case 41 /* CharacterCodes.closeParen */:
+                        pos++;
+                        return token = 21 /* SyntaxKind.CloseParenToken */;
+                    case 42 /* CharacterCodes.asterisk */:
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 66 /* SyntaxKind.AsteriskEqualsToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 42 /* CharacterCodes.asterisk */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */;
+                            }
+                            return pos += 2, token = 42 /* SyntaxKind.AsteriskAsteriskToken */;
+                        }
+                        pos++;
+                        if (inJSDocType && !asteriskSeen && (tokenFlags & 1 /* TokenFlags.PrecedingLineBreak */)) {
+                            // decoration at the start of a JSDoc comment line
+                            asteriskSeen = true;
+                            continue;
+                        }
+                        return token = 41 /* SyntaxKind.AsteriskToken */;
+                    case 43 /* CharacterCodes.plus */:
+                        if (text.charCodeAt(pos + 1) === 43 /* CharacterCodes.plus */) {
+                            return pos += 2, token = 45 /* SyntaxKind.PlusPlusToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 64 /* SyntaxKind.PlusEqualsToken */;
+                        }
+                        pos++;
+                        return token = 39 /* SyntaxKind.PlusToken */;
+                    case 44 /* CharacterCodes.comma */:
+                        pos++;
+                        return token = 27 /* SyntaxKind.CommaToken */;
+                    case 45 /* CharacterCodes.minus */:
+                        if (text.charCodeAt(pos + 1) === 45 /* CharacterCodes.minus */) {
+                            return pos += 2, token = 46 /* SyntaxKind.MinusMinusToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 65 /* SyntaxKind.MinusEqualsToken */;
+                        }
+                        pos++;
+                        return token = 40 /* SyntaxKind.MinusToken */;
+                    case 46 /* CharacterCodes.dot */:
+                        if (isDigit(text.charCodeAt(pos + 1))) {
+                            tokenValue = scanNumber().value;
+                            return token = 8 /* SyntaxKind.NumericLiteral */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 46 /* CharacterCodes.dot */ && text.charCodeAt(pos + 2) === 46 /* CharacterCodes.dot */) {
+                            return pos += 3, token = 25 /* SyntaxKind.DotDotDotToken */;
+                        }
+                        pos++;
+                        return token = 24 /* SyntaxKind.DotToken */;
+                    case 47 /* CharacterCodes.slash */:
+                        // Single-line comment
+                        if (text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */) {
+                            pos += 2;
+                            while (pos < end) {
+                                if (isLineBreak(text.charCodeAt(pos))) {
+                                    break;
+                                }
+                                pos++;
+                            }
+                            commentDirectives = appendIfCommentDirective(commentDirectives, text.slice(tokenPos, pos), commentDirectiveRegExSingleLine, tokenPos);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 2 /* SyntaxKind.SingleLineCommentTrivia */;
+                            }
+                        }
+                        // Multi-line comment
+                        if (text.charCodeAt(pos + 1) === 42 /* CharacterCodes.asterisk */) {
+                            pos += 2;
+                            if (text.charCodeAt(pos) === 42 /* CharacterCodes.asterisk */ && text.charCodeAt(pos + 1) !== 47 /* CharacterCodes.slash */) {
+                                tokenFlags |= 2 /* TokenFlags.PrecedingJSDocComment */;
+                            }
+                            var commentClosed = false;
+                            var lastLineStart = tokenPos;
+                            while (pos < end) {
+                                var ch_1 = text.charCodeAt(pos);
+                                if (ch_1 === 42 /* CharacterCodes.asterisk */ && text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */) {
+                                    pos += 2;
+                                    commentClosed = true;
+                                    break;
+                                }
+                                pos++;
+                                if (isLineBreak(ch_1)) {
+                                    lastLineStart = pos;
+                                    tokenFlags |= 1 /* TokenFlags.PrecedingLineBreak */;
+                                }
+                            }
+                            commentDirectives = appendIfCommentDirective(commentDirectives, text.slice(lastLineStart, pos), commentDirectiveRegExMultiLine, lastLineStart);
+                            if (!commentClosed) {
+                                error(ts.Diagnostics.Asterisk_Slash_expected);
+                            }
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                if (!commentClosed) {
+                                    tokenFlags |= 4 /* TokenFlags.Unterminated */;
+                                }
+                                return token = 3 /* SyntaxKind.MultiLineCommentTrivia */;
+                            }
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 68 /* SyntaxKind.SlashEqualsToken */;
+                        }
+                        pos++;
+                        return token = 43 /* SyntaxKind.SlashToken */;
+                    case 48 /* CharacterCodes._0 */:
+                        if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 /* CharacterCodes.X */ || text.charCodeAt(pos + 1) === 120 /* CharacterCodes.x */)) {
+                            pos += 2;
+                            tokenValue = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ true);
+                            if (!tokenValue) {
+                                error(ts.Diagnostics.Hexadecimal_digit_expected);
+                                tokenValue = "0";
+                            }
+                            tokenValue = "0x" + tokenValue;
+                            tokenFlags |= 64 /* TokenFlags.HexSpecifier */;
+                            return token = checkBigIntSuffix();
+                        }
+                        else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 /* CharacterCodes.B */ || text.charCodeAt(pos + 1) === 98 /* CharacterCodes.b */)) {
+                            pos += 2;
+                            tokenValue = scanBinaryOrOctalDigits(/* base */ 2);
+                            if (!tokenValue) {
+                                error(ts.Diagnostics.Binary_digit_expected);
+                                tokenValue = "0";
+                            }
+                            tokenValue = "0b" + tokenValue;
+                            tokenFlags |= 128 /* TokenFlags.BinarySpecifier */;
+                            return token = checkBigIntSuffix();
+                        }
+                        else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 /* CharacterCodes.O */ || text.charCodeAt(pos + 1) === 111 /* CharacterCodes.o */)) {
+                            pos += 2;
+                            tokenValue = scanBinaryOrOctalDigits(/* base */ 8);
+                            if (!tokenValue) {
+                                error(ts.Diagnostics.Octal_digit_expected);
+                                tokenValue = "0";
+                            }
+                            tokenValue = "0o" + tokenValue;
+                            tokenFlags |= 256 /* TokenFlags.OctalSpecifier */;
+                            return token = checkBigIntSuffix();
+                        }
+                        // Try to parse as an octal
+                        if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) {
+                            tokenValue = "" + scanOctalDigits();
+                            tokenFlags |= 32 /* TokenFlags.Octal */;
+                            return token = 8 /* SyntaxKind.NumericLiteral */;
+                        }
+                    // This fall-through is a deviation from the EcmaScript grammar. The grammar says that a leading zero
+                    // can only be followed by an octal digit, a dot, or the end of the number literal. However, we are being
+                    // permissive and allowing decimal digits of the form 08* and 09* (which many browsers also do).
+                    // falls through
+                    case 49 /* CharacterCodes._1 */:
+                    case 50 /* CharacterCodes._2 */:
+                    case 51 /* CharacterCodes._3 */:
+                    case 52 /* CharacterCodes._4 */:
+                    case 53 /* CharacterCodes._5 */:
+                    case 54 /* CharacterCodes._6 */:
+                    case 55 /* CharacterCodes._7 */:
+                    case 56 /* CharacterCodes._8 */:
+                    case 57 /* CharacterCodes._9 */:
+                        (_a = scanNumber(), token = _a.type, tokenValue = _a.value);
+                        return token;
+                    case 58 /* CharacterCodes.colon */:
+                        pos++;
+                        return token = 58 /* SyntaxKind.ColonToken */;
+                    case 59 /* CharacterCodes.semicolon */:
+                        pos++;
+                        return token = 26 /* SyntaxKind.SemicolonToken */;
+                    case 60 /* CharacterCodes.lessThan */:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7 /* SyntaxKind.ConflictMarkerTrivia */;
+                            }
+                        }
+                        if (text.charCodeAt(pos + 1) === 60 /* CharacterCodes.lessThan */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 70 /* SyntaxKind.LessThanLessThanEqualsToken */;
+                            }
+                            return pos += 2, token = 47 /* SyntaxKind.LessThanLessThanToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 32 /* SyntaxKind.LessThanEqualsToken */;
+                        }
+                        if (languageVariant === 1 /* LanguageVariant.JSX */ &&
+                            text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */ &&
+                            text.charCodeAt(pos + 2) !== 42 /* CharacterCodes.asterisk */) {
+                            return pos += 2, token = 30 /* SyntaxKind.LessThanSlashToken */;
+                        }
+                        pos++;
+                        return token = 29 /* SyntaxKind.LessThanToken */;
+                    case 61 /* CharacterCodes.equals */:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7 /* SyntaxKind.ConflictMarkerTrivia */;
+                            }
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 36 /* SyntaxKind.EqualsEqualsEqualsToken */;
+                            }
+                            return pos += 2, token = 34 /* SyntaxKind.EqualsEqualsToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 62 /* CharacterCodes.greaterThan */) {
+                            return pos += 2, token = 38 /* SyntaxKind.EqualsGreaterThanToken */;
+                        }
+                        pos++;
+                        return token = 63 /* SyntaxKind.EqualsToken */;
+                    case 62 /* CharacterCodes.greaterThan */:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7 /* SyntaxKind.ConflictMarkerTrivia */;
+                            }
+                        }
+                        pos++;
+                        return token = 31 /* SyntaxKind.GreaterThanToken */;
+                    case 63 /* CharacterCodes.question */:
+                        if (text.charCodeAt(pos + 1) === 46 /* CharacterCodes.dot */ && !isDigit(text.charCodeAt(pos + 2))) {
+                            return pos += 2, token = 28 /* SyntaxKind.QuestionDotToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 63 /* CharacterCodes.question */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 77 /* SyntaxKind.QuestionQuestionEqualsToken */;
+                            }
+                            return pos += 2, token = 60 /* SyntaxKind.QuestionQuestionToken */;
+                        }
+                        pos++;
+                        return token = 57 /* SyntaxKind.QuestionToken */;
+                    case 91 /* CharacterCodes.openBracket */:
+                        pos++;
+                        return token = 22 /* SyntaxKind.OpenBracketToken */;
+                    case 93 /* CharacterCodes.closeBracket */:
+                        pos++;
+                        return token = 23 /* SyntaxKind.CloseBracketToken */;
+                    case 94 /* CharacterCodes.caret */:
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 78 /* SyntaxKind.CaretEqualsToken */;
+                        }
+                        pos++;
+                        return token = 52 /* SyntaxKind.CaretToken */;
+                    case 123 /* CharacterCodes.openBrace */:
+                        pos++;
+                        return token = 18 /* SyntaxKind.OpenBraceToken */;
+                    case 124 /* CharacterCodes.bar */:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7 /* SyntaxKind.ConflictMarkerTrivia */;
+                            }
+                        }
+                        if (text.charCodeAt(pos + 1) === 124 /* CharacterCodes.bar */) {
+                            if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                                return pos += 3, token = 75 /* SyntaxKind.BarBarEqualsToken */;
+                            }
+                            return pos += 2, token = 56 /* SyntaxKind.BarBarToken */;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                            return pos += 2, token = 74 /* SyntaxKind.BarEqualsToken */;
+                        }
+                        pos++;
+                        return token = 51 /* SyntaxKind.BarToken */;
+                    case 125 /* CharacterCodes.closeBrace */:
+                        pos++;
+                        return token = 19 /* SyntaxKind.CloseBraceToken */;
+                    case 126 /* CharacterCodes.tilde */:
+                        pos++;
+                        return token = 54 /* SyntaxKind.TildeToken */;
+                    case 64 /* CharacterCodes.at */:
+                        pos++;
+                        return token = 59 /* SyntaxKind.AtToken */;
+                    case 92 /* CharacterCodes.backslash */:
+                        var extendedCookedChar = peekExtendedUnicodeEscape();
+                        if (extendedCookedChar >= 0 && isIdentifierStart(extendedCookedChar, languageVersion)) {
+                            pos += 3;
+                            tokenFlags |= 8 /* TokenFlags.ExtendedUnicodeEscape */;
+                            tokenValue = scanExtendedUnicodeEscape() + scanIdentifierParts();
+                            return token = getIdentifierToken();
+                        }
+                        var cookedChar = peekUnicodeEscape();
+                        if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
+                            pos += 6;
+                            tokenFlags |= 1024 /* TokenFlags.UnicodeEscape */;
+                            tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
+                            return token = getIdentifierToken();
+                        }
+                        error(ts.Diagnostics.Invalid_character);
+                        pos++;
+                        return token = 0 /* SyntaxKind.Unknown */;
+                    case 35 /* CharacterCodes.hash */:
+                        if (pos !== 0 && text[pos + 1] === "!") {
+                            error(ts.Diagnostics.can_only_be_used_at_the_start_of_a_file);
+                            pos++;
+                            return token = 0 /* SyntaxKind.Unknown */;
+                        }
+                        if (isIdentifierStart(codePointAt(text, pos + 1), languageVersion)) {
+                            pos++;
+                            scanIdentifier(codePointAt(text, pos), languageVersion);
+                        }
+                        else {
+                            tokenValue = String.fromCharCode(codePointAt(text, pos));
+                            error(ts.Diagnostics.Invalid_character, pos++, charSize(ch));
+                        }
+                        return token = 80 /* SyntaxKind.PrivateIdentifier */;
+                    default:
+                        var identifierKind = scanIdentifier(ch, languageVersion);
+                        if (identifierKind) {
+                            return token = identifierKind;
+                        }
+                        else if (isWhiteSpaceSingleLine(ch)) {
+                            pos += charSize(ch);
+                            continue;
+                        }
+                        else if (isLineBreak(ch)) {
+                            tokenFlags |= 1 /* TokenFlags.PrecedingLineBreak */;
+                            pos += charSize(ch);
+                            continue;
+                        }
+                        var size = charSize(ch);
+                        error(ts.Diagnostics.Invalid_character, pos, size);
+                        pos += size;
+                        return token = 0 /* SyntaxKind.Unknown */;
+                }
+            }
+        }
+        function reScanInvalidIdentifier() {
+            ts.Debug.assert(token === 0 /* SyntaxKind.Unknown */, "'reScanInvalidIdentifier' should only be called when the current token is 'SyntaxKind.Unknown'.");
+            pos = tokenPos = startPos;
+            tokenFlags = 0;
+            var ch = codePointAt(text, pos);
+            var identifierKind = scanIdentifier(ch, 99 /* ScriptTarget.ESNext */);
+            if (identifierKind) {
+                return token = identifierKind;
+            }
+            pos += charSize(ch);
+            return token; // Still `SyntaKind.Unknown`
+        }
+        function scanIdentifier(startCharacter, languageVersion) {
+            var ch = startCharacter;
+            if (isIdentifierStart(ch, languageVersion)) {
+                pos += charSize(ch);
+                while (pos < end && isIdentifierPart(ch = codePointAt(text, pos), languageVersion))
+                    pos += charSize(ch);
+                tokenValue = text.substring(tokenPos, pos);
+                if (ch === 92 /* CharacterCodes.backslash */) {
+                    tokenValue += scanIdentifierParts();
+                }
+                return getIdentifierToken();
+            }
+        }
+        function reScanGreaterToken() {
+            if (token === 31 /* SyntaxKind.GreaterThanToken */) {
+                if (text.charCodeAt(pos) === 62 /* CharacterCodes.greaterThan */) {
+                    if (text.charCodeAt(pos + 1) === 62 /* CharacterCodes.greaterThan */) {
+                        if (text.charCodeAt(pos + 2) === 61 /* CharacterCodes.equals */) {
+                            return pos += 3, token = 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */;
+                        }
+                        return pos += 2, token = 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */;
+                    }
+                    if (text.charCodeAt(pos + 1) === 61 /* CharacterCodes.equals */) {
+                        return pos += 2, token = 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */;
+                    }
+                    pos++;
+                    return token = 48 /* SyntaxKind.GreaterThanGreaterThanToken */;
+                }
+                if (text.charCodeAt(pos) === 61 /* CharacterCodes.equals */) {
+                    pos++;
+                    return token = 33 /* SyntaxKind.GreaterThanEqualsToken */;
+                }
+            }
+            return token;
+        }
+        function reScanAsteriskEqualsToken() {
+            ts.Debug.assert(token === 66 /* SyntaxKind.AsteriskEqualsToken */, "'reScanAsteriskEqualsToken' should only be called on a '*='");
+            pos = tokenPos + 1;
+            return token = 63 /* SyntaxKind.EqualsToken */;
+        }
+        function reScanSlashToken() {
+            if (token === 43 /* SyntaxKind.SlashToken */ || token === 68 /* SyntaxKind.SlashEqualsToken */) {
+                var p = tokenPos + 1;
+                var inEscape = false;
+                var inCharacterClass = false;
+                while (true) {
+                    // If we reach the end of a file, or hit a newline, then this is an unterminated
+                    // regex.  Report error and return what we have so far.
+                    if (p >= end) {
+                        tokenFlags |= 4 /* TokenFlags.Unterminated */;
+                        error(ts.Diagnostics.Unterminated_regular_expression_literal);
+                        break;
+                    }
+                    var ch = text.charCodeAt(p);
+                    if (isLineBreak(ch)) {
+                        tokenFlags |= 4 /* TokenFlags.Unterminated */;
+                        error(ts.Diagnostics.Unterminated_regular_expression_literal);
+                        break;
+                    }
+                    if (inEscape) {
+                        // Parsing an escape character;
+                        // reset the flag and just advance to the next char.
+                        inEscape = false;
+                    }
+                    else if (ch === 47 /* CharacterCodes.slash */ && !inCharacterClass) {
+                        // A slash within a character class is permissible,
+                        // but in general it signals the end of the regexp literal.
+                        p++;
+                        break;
+                    }
+                    else if (ch === 91 /* CharacterCodes.openBracket */) {
+                        inCharacterClass = true;
+                    }
+                    else if (ch === 92 /* CharacterCodes.backslash */) {
+                        inEscape = true;
+                    }
+                    else if (ch === 93 /* CharacterCodes.closeBracket */) {
+                        inCharacterClass = false;
+                    }
+                    p++;
+                }
+                while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) {
+                    p++;
+                }
+                pos = p;
+                tokenValue = text.substring(tokenPos, pos);
+                token = 13 /* SyntaxKind.RegularExpressionLiteral */;
+            }
+            return token;
+        }
+        function appendIfCommentDirective(commentDirectives, text, commentDirectiveRegEx, lineStart) {
+            var type = getDirectiveFromComment(ts.trimStringStart(text), commentDirectiveRegEx);
+            if (type === undefined) {
+                return commentDirectives;
+            }
+            return ts.append(commentDirectives, {
+                range: { pos: lineStart, end: pos },
+                type: type,
+            });
+        }
+        function getDirectiveFromComment(text, commentDirectiveRegEx) {
+            var match = commentDirectiveRegEx.exec(text);
+            if (!match) {
+                return undefined;
+            }
+            switch (match[1]) {
+                case "ts-expect-error":
+                    return 0 /* CommentDirectiveType.ExpectError */;
+                case "ts-ignore":
+                    return 1 /* CommentDirectiveType.Ignore */;
+            }
+            return undefined;
+        }
+        /**
+         * Unconditionally back up and scan a template expression portion.
+         */
+        function reScanTemplateToken(isTaggedTemplate) {
+            ts.Debug.assert(token === 19 /* SyntaxKind.CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'");
+            pos = tokenPos;
+            return token = scanTemplateAndSetTokenValue(isTaggedTemplate);
+        }
+        function reScanTemplateHeadOrNoSubstitutionTemplate() {
+            pos = tokenPos;
+            return token = scanTemplateAndSetTokenValue(/* isTaggedTemplate */ true);
+        }
+        function reScanJsxToken(allowMultilineJsxText) {
+            if (allowMultilineJsxText === void 0) { allowMultilineJsxText = true; }
+            pos = tokenPos = startPos;
+            return token = scanJsxToken(allowMultilineJsxText);
+        }
+        function reScanLessThanToken() {
+            if (token === 47 /* SyntaxKind.LessThanLessThanToken */) {
+                pos = tokenPos + 1;
+                return token = 29 /* SyntaxKind.LessThanToken */;
+            }
+            return token;
+        }
+        function reScanHashToken() {
+            if (token === 80 /* SyntaxKind.PrivateIdentifier */) {
+                pos = tokenPos + 1;
+                return token = 62 /* SyntaxKind.HashToken */;
+            }
+            return token;
+        }
+        function reScanQuestionToken() {
+            ts.Debug.assert(token === 60 /* SyntaxKind.QuestionQuestionToken */, "'reScanQuestionToken' should only be called on a '??'");
+            pos = tokenPos + 1;
+            return token = 57 /* SyntaxKind.QuestionToken */;
+        }
+        function scanJsxToken(allowMultilineJsxText) {
+            if (allowMultilineJsxText === void 0) { allowMultilineJsxText = true; }
+            startPos = tokenPos = pos;
+            if (pos >= end) {
+                return token = 1 /* SyntaxKind.EndOfFileToken */;
+            }
+            var char = text.charCodeAt(pos);
+            if (char === 60 /* CharacterCodes.lessThan */) {
+                if (text.charCodeAt(pos + 1) === 47 /* CharacterCodes.slash */) {
+                    pos += 2;
+                    return token = 30 /* SyntaxKind.LessThanSlashToken */;
+                }
+                pos++;
+                return token = 29 /* SyntaxKind.LessThanToken */;
+            }
+            if (char === 123 /* CharacterCodes.openBrace */) {
+                pos++;
+                return token = 18 /* SyntaxKind.OpenBraceToken */;
+            }
+            // First non-whitespace character on this line.
+            var firstNonWhitespace = 0;
+            // These initial values are special because the first line is:
+            // firstNonWhitespace = 0 to indicate that we want leading whitespace,
+            while (pos < end) {
+                char = text.charCodeAt(pos);
+                if (char === 123 /* CharacterCodes.openBrace */) {
+                    break;
+                }
+                if (char === 60 /* CharacterCodes.lessThan */) {
+                    if (isConflictMarkerTrivia(text, pos)) {
+                        pos = scanConflictMarkerTrivia(text, pos, error);
+                        return token = 7 /* SyntaxKind.ConflictMarkerTrivia */;
+                    }
+                    break;
+                }
+                if (char === 62 /* CharacterCodes.greaterThan */) {
+                    error(ts.Diagnostics.Unexpected_token_Did_you_mean_or_gt, pos, 1);
+                }
+                if (char === 125 /* CharacterCodes.closeBrace */) {
+                    error(ts.Diagnostics.Unexpected_token_Did_you_mean_or_rbrace, pos, 1);
+                }
+                // FirstNonWhitespace is 0, then we only see whitespaces so far. If we see a linebreak, we want to ignore that whitespaces.
+                // i.e (- : whitespace)
+                //      
    ----
+                //      
     becomes 
    
+                //
+                //      
    ----
     becomes 
    ----
    
+                if (isLineBreak(char) && firstNonWhitespace === 0) {
+                    firstNonWhitespace = -1;
+                }
+                else if (!allowMultilineJsxText && isLineBreak(char) && firstNonWhitespace > 0) {
+                    // Stop JsxText on each line during formatting. This allows the formatter to
+                    // indent each line correctly.
+                    break;
+                }
+                else if (!isWhiteSpaceLike(char)) {
+                    firstNonWhitespace = pos;
+                }
+                pos++;
+            }
+            tokenValue = text.substring(startPos, pos);
+            return firstNonWhitespace === -1 ? 12 /* SyntaxKind.JsxTextAllWhiteSpaces */ : 11 /* SyntaxKind.JsxText */;
+        }
+        // Scans a JSX identifier; these differ from normal identifiers in that
+        // they allow dashes
+        function scanJsxIdentifier() {
+            if (tokenIsIdentifierOrKeyword(token)) {
+                // An identifier or keyword has already been parsed - check for a `-` or a single instance of `:` and then append it and
+                // everything after it to the token
+                // Do note that this means that `scanJsxIdentifier` effectively _mutates_ the visible token without advancing to a new token
+                // Any caller should be expecting this behavior and should only read the pos or token value after calling it.
+                var namespaceSeparator = false;
+                while (pos < end) {
+                    var ch = text.charCodeAt(pos);
+                    if (ch === 45 /* CharacterCodes.minus */) {
+                        tokenValue += "-";
+                        pos++;
+                        continue;
+                    }
+                    else if (ch === 58 /* CharacterCodes.colon */ && !namespaceSeparator) {
+                        tokenValue += ":";
+                        pos++;
+                        namespaceSeparator = true;
+                        token = 79 /* SyntaxKind.Identifier */; // swap from keyword kind to identifier kind
+                        continue;
+                    }
+                    var oldPos = pos;
+                    tokenValue += scanIdentifierParts(); // reuse `scanIdentifierParts` so unicode escapes are handled
+                    if (pos === oldPos) {
+                        break;
+                    }
+                }
+                // Do not include a trailing namespace separator in the token, since this is against the spec.
+                if (tokenValue.slice(-1) === ":") {
+                    tokenValue = tokenValue.slice(0, -1);
+                    pos--;
+                }
+                return getIdentifierToken();
+            }
+            return token;
+        }
+        function scanJsxAttributeValue() {
+            startPos = pos;
+            switch (text.charCodeAt(pos)) {
+                case 34 /* CharacterCodes.doubleQuote */:
+                case 39 /* CharacterCodes.singleQuote */:
+                    tokenValue = scanString(/*jsxAttributeString*/ true);
+                    return token = 10 /* SyntaxKind.StringLiteral */;
+                default:
+                    // If this scans anything other than `{`, it's a parse error.
+                    return scan();
+            }
+        }
+        function reScanJsxAttributeValue() {
+            pos = tokenPos = startPos;
+            return scanJsxAttributeValue();
+        }
+        function scanJsDocToken() {
+            startPos = tokenPos = pos;
+            tokenFlags = 0 /* TokenFlags.None */;
+            if (pos >= end) {
+                return token = 1 /* SyntaxKind.EndOfFileToken */;
+            }
+            var ch = codePointAt(text, pos);
+            pos += charSize(ch);
+            switch (ch) {
+                case 9 /* CharacterCodes.tab */:
+                case 11 /* CharacterCodes.verticalTab */:
+                case 12 /* CharacterCodes.formFeed */:
+                case 32 /* CharacterCodes.space */:
+                    while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
+                        pos++;
+                    }
+                    return token = 5 /* SyntaxKind.WhitespaceTrivia */;
+                case 64 /* CharacterCodes.at */:
+                    return token = 59 /* SyntaxKind.AtToken */;
+                case 13 /* CharacterCodes.carriageReturn */:
+                    if (text.charCodeAt(pos) === 10 /* CharacterCodes.lineFeed */) {
+                        pos++;
+                    }
+                // falls through
+                case 10 /* CharacterCodes.lineFeed */:
+                    tokenFlags |= 1 /* TokenFlags.PrecedingLineBreak */;
+                    return token = 4 /* SyntaxKind.NewLineTrivia */;
+                case 42 /* CharacterCodes.asterisk */:
+                    return token = 41 /* SyntaxKind.AsteriskToken */;
+                case 123 /* CharacterCodes.openBrace */:
+                    return token = 18 /* SyntaxKind.OpenBraceToken */;
+                case 125 /* CharacterCodes.closeBrace */:
+                    return token = 19 /* SyntaxKind.CloseBraceToken */;
+                case 91 /* CharacterCodes.openBracket */:
+                    return token = 22 /* SyntaxKind.OpenBracketToken */;
+                case 93 /* CharacterCodes.closeBracket */:
+                    return token = 23 /* SyntaxKind.CloseBracketToken */;
+                case 60 /* CharacterCodes.lessThan */:
+                    return token = 29 /* SyntaxKind.LessThanToken */;
+                case 62 /* CharacterCodes.greaterThan */:
+                    return token = 31 /* SyntaxKind.GreaterThanToken */;
+                case 61 /* CharacterCodes.equals */:
+                    return token = 63 /* SyntaxKind.EqualsToken */;
+                case 44 /* CharacterCodes.comma */:
+                    return token = 27 /* SyntaxKind.CommaToken */;
+                case 46 /* CharacterCodes.dot */:
+                    return token = 24 /* SyntaxKind.DotToken */;
+                case 96 /* CharacterCodes.backtick */:
+                    return token = 61 /* SyntaxKind.BacktickToken */;
+                case 35 /* CharacterCodes.hash */:
+                    return token = 62 /* SyntaxKind.HashToken */;
+                case 92 /* CharacterCodes.backslash */:
+                    pos--;
+                    var extendedCookedChar = peekExtendedUnicodeEscape();
+                    if (extendedCookedChar >= 0 && isIdentifierStart(extendedCookedChar, languageVersion)) {
+                        pos += 3;
+                        tokenFlags |= 8 /* TokenFlags.ExtendedUnicodeEscape */;
+                        tokenValue = scanExtendedUnicodeEscape() + scanIdentifierParts();
+                        return token = getIdentifierToken();
+                    }
+                    var cookedChar = peekUnicodeEscape();
+                    if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
+                        pos += 6;
+                        tokenFlags |= 1024 /* TokenFlags.UnicodeEscape */;
+                        tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
+                        return token = getIdentifierToken();
+                    }
+                    pos++;
+                    return token = 0 /* SyntaxKind.Unknown */;
+            }
+            if (isIdentifierStart(ch, languageVersion)) {
+                var char = ch;
+                while (pos < end && isIdentifierPart(char = codePointAt(text, pos), languageVersion) || text.charCodeAt(pos) === 45 /* CharacterCodes.minus */)
+                    pos += charSize(char);
+                tokenValue = text.substring(tokenPos, pos);
+                if (char === 92 /* CharacterCodes.backslash */) {
+                    tokenValue += scanIdentifierParts();
+                }
+                return token = getIdentifierToken();
+            }
+            else {
+                return token = 0 /* SyntaxKind.Unknown */;
+            }
+        }
+        function speculationHelper(callback, isLookahead) {
+            var savePos = pos;
+            var saveStartPos = startPos;
+            var saveTokenPos = tokenPos;
+            var saveToken = token;
+            var saveTokenValue = tokenValue;
+            var saveTokenFlags = tokenFlags;
+            var result = callback();
+            // If our callback returned something 'falsy' or we're just looking ahead,
+            // then unconditionally restore us to where we were.
+            if (!result || isLookahead) {
+                pos = savePos;
+                startPos = saveStartPos;
+                tokenPos = saveTokenPos;
+                token = saveToken;
+                tokenValue = saveTokenValue;
+                tokenFlags = saveTokenFlags;
+            }
+            return result;
+        }
+        function scanRange(start, length, callback) {
+            var saveEnd = end;
+            var savePos = pos;
+            var saveStartPos = startPos;
+            var saveTokenPos = tokenPos;
+            var saveToken = token;
+            var saveTokenValue = tokenValue;
+            var saveTokenFlags = tokenFlags;
+            var saveErrorExpectations = commentDirectives;
+            setText(text, start, length);
+            var result = callback();
+            end = saveEnd;
+            pos = savePos;
+            startPos = saveStartPos;
+            tokenPos = saveTokenPos;
+            token = saveToken;
+            tokenValue = saveTokenValue;
+            tokenFlags = saveTokenFlags;
+            commentDirectives = saveErrorExpectations;
+            return result;
+        }
+        function lookAhead(callback) {
+            return speculationHelper(callback, /*isLookahead*/ true);
+        }
+        function tryScan(callback) {
+            return speculationHelper(callback, /*isLookahead*/ false);
+        }
+        function getText() {
+            return text;
+        }
+        function clearCommentDirectives() {
+            commentDirectives = undefined;
+        }
+        function setText(newText, start, length) {
+            text = newText || "";
+            end = length === undefined ? text.length : start + length;
+            setTextPos(start || 0);
+        }
+        function setOnError(errorCallback) {
+            onError = errorCallback;
+        }
+        function setScriptTarget(scriptTarget) {
+            languageVersion = scriptTarget;
+        }
+        function setLanguageVariant(variant) {
+            languageVariant = variant;
+        }
+        function setTextPos(textPos) {
+            ts.Debug.assert(textPos >= 0);
+            pos = textPos;
+            startPos = textPos;
+            tokenPos = textPos;
+            token = 0 /* SyntaxKind.Unknown */;
+            tokenValue = undefined;
+            tokenFlags = 0 /* TokenFlags.None */;
+        }
+        function setInJSDocType(inType) {
+            inJSDocType += inType ? 1 : -1;
+        }
+    }
+    ts.createScanner = createScanner;
+    /* @internal */
+    var codePointAt = String.prototype.codePointAt ? function (s, i) { return s.codePointAt(i); } : function codePointAt(str, i) {
+        // from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
+        var size = str.length;
+        // Account for out-of-bounds indices:
+        if (i < 0 || i >= size) {
+            return undefined; // String.codePointAt returns `undefined` for OOB indexes
+        }
+        // Get the first code unit
+        var first = str.charCodeAt(i);
+        // check if it’s the start of a surrogate pair
+        if (first >= 0xD800 && first <= 0xDBFF && size > i + 1) { // high surrogate and there is a next code unit
+            var second = str.charCodeAt(i + 1);
+            if (second >= 0xDC00 && second <= 0xDFFF) { // low surrogate
+                // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+                return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+            }
+        }
+        return first;
+    };
+    /* @internal */
+    function charSize(ch) {
+        if (ch >= 0x10000) {
+            return 2;
+        }
+        return 1;
+    }
+    // Derived from the 10.1.1 UTF16Encoding of the ES6 Spec.
+    function utf16EncodeAsStringFallback(codePoint) {
+        ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF);
+        if (codePoint <= 65535) {
+            return String.fromCharCode(codePoint);
+        }
+        var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800;
+        var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00;
+        return String.fromCharCode(codeUnit1, codeUnit2);
+    }
+    var utf16EncodeAsStringWorker = String.fromCodePoint ? function (codePoint) { return String.fromCodePoint(codePoint); } : utf16EncodeAsStringFallback;
+    /* @internal */
+    function utf16EncodeAsString(codePoint) {
+        return utf16EncodeAsStringWorker(codePoint);
+    }
+    ts.utf16EncodeAsString = utf16EncodeAsString;
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    function isExternalModuleNameRelative(moduleName) {
+        // TypeScript 1.0 spec (April 2014): 11.2.1
+        // An external module name is "relative" if the first term is "." or "..".
+        // Update: We also consider a path like `C:\foo.ts` "relative" because we do not search for it in `node_modules` or treat it as an ambient module.
+        return ts.pathIsRelative(moduleName) || ts.isRootedDiskPath(moduleName);
+    }
+    ts.isExternalModuleNameRelative = isExternalModuleNameRelative;
+    function sortAndDeduplicateDiagnostics(diagnostics) {
+        return ts.sortAndDeduplicate(diagnostics, ts.compareDiagnostics);
+    }
+    ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics;
+    function getDefaultLibFileName(options) {
+        switch (ts.getEmitScriptTarget(options)) {
+            case 99 /* ScriptTarget.ESNext */:
+                return "lib.esnext.full.d.ts";
+            case 9 /* ScriptTarget.ES2022 */:
+                return "lib.es2022.full.d.ts";
+            case 8 /* ScriptTarget.ES2021 */:
+                return "lib.es2021.full.d.ts";
+            case 7 /* ScriptTarget.ES2020 */:
+                return "lib.es2020.full.d.ts";
+            case 6 /* ScriptTarget.ES2019 */:
+                return "lib.es2019.full.d.ts";
+            case 5 /* ScriptTarget.ES2018 */:
+                return "lib.es2018.full.d.ts";
+            case 4 /* ScriptTarget.ES2017 */:
+                return "lib.es2017.full.d.ts";
+            case 3 /* ScriptTarget.ES2016 */:
+                return "lib.es2016.full.d.ts";
+            case 2 /* ScriptTarget.ES2015 */:
+                return "lib.es6.d.ts"; // We don't use lib.es2015.full.d.ts due to breaking change.
+            default:
+                return "lib.d.ts";
+        }
+    }
+    ts.getDefaultLibFileName = getDefaultLibFileName;
+    function textSpanEnd(span) {
+        return span.start + span.length;
+    }
+    ts.textSpanEnd = textSpanEnd;
+    function textSpanIsEmpty(span) {
+        return span.length === 0;
+    }
+    ts.textSpanIsEmpty = textSpanIsEmpty;
+    function textSpanContainsPosition(span, position) {
+        return position >= span.start && position < textSpanEnd(span);
+    }
+    ts.textSpanContainsPosition = textSpanContainsPosition;
+    /* @internal */
+    function textRangeContainsPositionInclusive(span, position) {
+        return position >= span.pos && position <= span.end;
+    }
+    ts.textRangeContainsPositionInclusive = textRangeContainsPositionInclusive;
+    // Returns true if 'span' contains 'other'.
+    function textSpanContainsTextSpan(span, other) {
+        return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span);
+    }
+    ts.textSpanContainsTextSpan = textSpanContainsTextSpan;
+    function textSpanOverlapsWith(span, other) {
+        return textSpanOverlap(span, other) !== undefined;
+    }
+    ts.textSpanOverlapsWith = textSpanOverlapsWith;
+    function textSpanOverlap(span1, span2) {
+        var overlap = textSpanIntersection(span1, span2);
+        return overlap && overlap.length === 0 ? undefined : overlap;
+    }
+    ts.textSpanOverlap = textSpanOverlap;
+    function textSpanIntersectsWithTextSpan(span, other) {
+        return decodedTextSpanIntersectsWith(span.start, span.length, other.start, other.length);
+    }
+    ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan;
+    function textSpanIntersectsWith(span, start, length) {
+        return decodedTextSpanIntersectsWith(span.start, span.length, start, length);
+    }
+    ts.textSpanIntersectsWith = textSpanIntersectsWith;
+    function decodedTextSpanIntersectsWith(start1, length1, start2, length2) {
+        var end1 = start1 + length1;
+        var end2 = start2 + length2;
+        return start2 <= end1 && end2 >= start1;
+    }
+    ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith;
+    function textSpanIntersectsWithPosition(span, position) {
+        return position <= textSpanEnd(span) && position >= span.start;
+    }
+    ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition;
+    function textSpanIntersection(span1, span2) {
+        var start = Math.max(span1.start, span2.start);
+        var end = Math.min(textSpanEnd(span1), textSpanEnd(span2));
+        return start <= end ? createTextSpanFromBounds(start, end) : undefined;
+    }
+    ts.textSpanIntersection = textSpanIntersection;
+    function createTextSpan(start, length) {
+        if (start < 0) {
+            throw new Error("start < 0");
+        }
+        if (length < 0) {
+            throw new Error("length < 0");
+        }
+        return { start: start, length: length };
+    }
+    ts.createTextSpan = createTextSpan;
+    function createTextSpanFromBounds(start, end) {
+        return createTextSpan(start, end - start);
+    }
+    ts.createTextSpanFromBounds = createTextSpanFromBounds;
+    function textChangeRangeNewSpan(range) {
+        return createTextSpan(range.span.start, range.newLength);
+    }
+    ts.textChangeRangeNewSpan = textChangeRangeNewSpan;
+    function textChangeRangeIsUnchanged(range) {
+        return textSpanIsEmpty(range.span) && range.newLength === 0;
+    }
+    ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged;
+    function createTextChangeRange(span, newLength) {
+        if (newLength < 0) {
+            throw new Error("newLength < 0");
+        }
+        return { span: span, newLength: newLength };
+    }
+    ts.createTextChangeRange = createTextChangeRange;
+    ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); // eslint-disable-line prefer-const
+    /**
+     * Called to merge all the changes that occurred across several versions of a script snapshot
+     * into a single change.  i.e. if a user keeps making successive edits to a script we will
+     * have a text change from V1 to V2, V2 to V3, ..., Vn.
+     *
+     * This function will then merge those changes into a single change range valid between V1 and
+     * Vn.
+     */
+    function collapseTextChangeRangesAcrossMultipleVersions(changes) {
+        if (changes.length === 0) {
+            return ts.unchangedTextChangeRange;
+        }
+        if (changes.length === 1) {
+            return changes[0];
+        }
+        // We change from talking about { { oldStart, oldLength }, newLength } to { oldStart, oldEnd, newEnd }
+        // as it makes things much easier to reason about.
+        var change0 = changes[0];
+        var oldStartN = change0.span.start;
+        var oldEndN = textSpanEnd(change0.span);
+        var newEndN = oldStartN + change0.newLength;
+        for (var i = 1; i < changes.length; i++) {
+            var nextChange = changes[i];
+            // Consider the following case:
+            // i.e. two edits.  The first represents the text change range { { 10, 50 }, 30 }.  i.e. The span starting
+            // at 10, with length 50 is reduced to length 30.  The second represents the text change range { { 30, 30 }, 40 }.
+            // i.e. the span starting at 30 with length 30 is increased to length 40.
+            //
+            //      0         10        20        30        40        50        60        70        80        90        100
+            //      -------------------------------------------------------------------------------------------------------
+            //                |                                                 /
+            //                |                                            /----
+            //  T1            |                                       /----
+            //                |                                  /----
+            //                |                             /----
+            //      -------------------------------------------------------------------------------------------------------
+            //                                     |                            \
+            //                                     |                               \
+            //   T2                                |                                 \
+            //                                     |                                   \
+            //                                     |                                      \
+            //      -------------------------------------------------------------------------------------------------------
+            //
+            // Merging these turns out to not be too difficult.  First, determining the new start of the change is trivial
+            // it's just the min of the old and new starts.  i.e.:
+            //
+            //      0         10        20        30        40        50        60        70        80        90        100
+            //      ------------------------------------------------------------*------------------------------------------
+            //                |                                                 /
+            //                |                                            /----
+            //  T1            |                                       /----
+            //                |                                  /----
+            //                |                             /----
+            //      ----------------------------------------$-------------------$------------------------------------------
+            //                .                    |                            \
+            //                .                    |                               \
+            //   T2           .                    |                                 \
+            //                .                    |                                   \
+            //                .                    |                                      \
+            //      ----------------------------------------------------------------------*--------------------------------
+            //
+            // (Note the dots represent the newly inferred start.
+            // Determining the new and old end is also pretty simple.  Basically it boils down to paying attention to the
+            // absolute positions at the asterisks, and the relative change between the dollar signs. Basically, we see
+            // which if the two $'s precedes the other, and we move that one forward until they line up.  in this case that
+            // means:
+            //
+            //      0         10        20        30        40        50        60        70        80        90        100
+            //      --------------------------------------------------------------------------------*----------------------
+            //                |                                                                     /
+            //                |                                                                /----
+            //  T1            |                                                           /----
+            //                |                                                      /----
+            //                |                                                 /----
+            //      ------------------------------------------------------------$------------------------------------------
+            //                .                    |                            \
+            //                .                    |                               \
+            //   T2           .                    |                                 \
+            //                .                    |                                   \
+            //                .                    |                                      \
+            //      ----------------------------------------------------------------------*--------------------------------
+            //
+            // In other words (in this case), we're recognizing that the second edit happened after where the first edit
+            // ended with a delta of 20 characters (60 - 40).  Thus, if we go back in time to where the first edit started
+            // that's the same as if we started at char 80 instead of 60.
+            //
+            // As it so happens, the same logic applies if the second edit precedes the first edit.  In that case rather
+            // than pushing the first edit forward to match the second, we'll push the second edit forward to match the
+            // first.
+            //
+            // In this case that means we have { oldStart: 10, oldEnd: 80, newEnd: 70 } or, in TextChangeRange
+            // semantics: { { start: 10, length: 70 }, newLength: 60 }
+            //
+            // The math then works out as follows.
+            // If we have { oldStart1, oldEnd1, newEnd1 } and { oldStart2, oldEnd2, newEnd2 } then we can compute the
+            // final result like so:
+            //
+            // {
+            //      oldStart3: Min(oldStart1, oldStart2),
+            //      oldEnd3: Max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)),
+            //      newEnd3: Max(newEnd2, newEnd2 + (newEnd1 - oldEnd2))
+            // }
+            var oldStart1 = oldStartN;
+            var oldEnd1 = oldEndN;
+            var newEnd1 = newEndN;
+            var oldStart2 = nextChange.span.start;
+            var oldEnd2 = textSpanEnd(nextChange.span);
+            var newEnd2 = oldStart2 + nextChange.newLength;
+            oldStartN = Math.min(oldStart1, oldStart2);
+            oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1));
+            newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2));
+        }
+        return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), /*newLength*/ newEndN - oldStartN);
+    }
+    ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions;
+    function getTypeParameterOwner(d) {
+        if (d && d.kind === 163 /* SyntaxKind.TypeParameter */) {
+            for (var current = d; current; current = current.parent) {
+                if (isFunctionLike(current) || isClassLike(current) || current.kind === 258 /* SyntaxKind.InterfaceDeclaration */) {
+                    return current;
+                }
+            }
+        }
+    }
+    ts.getTypeParameterOwner = getTypeParameterOwner;
+    function isParameterPropertyDeclaration(node, parent) {
+        return ts.hasSyntacticModifier(node, 16476 /* ModifierFlags.ParameterPropertyModifier */) && parent.kind === 171 /* SyntaxKind.Constructor */;
+    }
+    ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration;
+    function isEmptyBindingPattern(node) {
+        if (isBindingPattern(node)) {
+            return ts.every(node.elements, isEmptyBindingElement);
+        }
+        return false;
+    }
+    ts.isEmptyBindingPattern = isEmptyBindingPattern;
+    function isEmptyBindingElement(node) {
+        if (ts.isOmittedExpression(node)) {
+            return true;
+        }
+        return isEmptyBindingPattern(node.name);
+    }
+    ts.isEmptyBindingElement = isEmptyBindingElement;
+    function walkUpBindingElementsAndPatterns(binding) {
+        var node = binding.parent;
+        while (ts.isBindingElement(node.parent)) {
+            node = node.parent.parent;
+        }
+        return node.parent;
+    }
+    ts.walkUpBindingElementsAndPatterns = walkUpBindingElementsAndPatterns;
+    function getCombinedFlags(node, getFlags) {
+        if (ts.isBindingElement(node)) {
+            node = walkUpBindingElementsAndPatterns(node);
+        }
+        var flags = getFlags(node);
+        if (node.kind === 254 /* SyntaxKind.VariableDeclaration */) {
+            node = node.parent;
+        }
+        if (node && node.kind === 255 /* SyntaxKind.VariableDeclarationList */) {
+            flags |= getFlags(node);
+            node = node.parent;
+        }
+        if (node && node.kind === 237 /* SyntaxKind.VariableStatement */) {
+            flags |= getFlags(node);
+        }
+        return flags;
+    }
+    function getCombinedModifierFlags(node) {
+        return getCombinedFlags(node, ts.getEffectiveModifierFlags);
+    }
+    ts.getCombinedModifierFlags = getCombinedModifierFlags;
+    /* @internal */
+    function getCombinedNodeFlagsAlwaysIncludeJSDoc(node) {
+        return getCombinedFlags(node, ts.getEffectiveModifierFlagsAlwaysIncludeJSDoc);
+    }
+    ts.getCombinedNodeFlagsAlwaysIncludeJSDoc = getCombinedNodeFlagsAlwaysIncludeJSDoc;
+    // Returns the node flags for this node and all relevant parent nodes.  This is done so that
+    // nodes like variable declarations and binding elements can returned a view of their flags
+    // that includes the modifiers from their container.  i.e. flags like export/declare aren't
+    // stored on the variable declaration directly, but on the containing variable statement
+    // (if it has one).  Similarly, flags for let/const are stored on the variable declaration
+    // list.  By calling this function, all those flags are combined so that the client can treat
+    // the node as if it actually had those flags.
+    function getCombinedNodeFlags(node) {
+        return getCombinedFlags(node, function (n) { return n.flags; });
+    }
+    ts.getCombinedNodeFlags = getCombinedNodeFlags;
+    /* @internal */
+    ts.supportedLocaleDirectories = ["cs", "de", "es", "fr", "it", "ja", "ko", "pl", "pt-br", "ru", "tr", "zh-cn", "zh-tw"];
+    /**
+     * Checks to see if the locale is in the appropriate format,
+     * and if it is, attempts to set the appropriate language.
+     */
+    function validateLocaleAndSetLanguage(locale, sys, errors) {
+        var lowerCaseLocale = locale.toLowerCase();
+        var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(lowerCaseLocale);
+        if (!matchResult) {
+            if (errors) {
+                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, "en", "ja-jp"));
+            }
+            return;
+        }
+        var language = matchResult[1];
+        var territory = matchResult[3];
+        // First try the entire locale, then fall back to just language if that's all we have.
+        // Either ways do not fail, and fallback to the English diagnostic strings.
+        if (ts.contains(ts.supportedLocaleDirectories, lowerCaseLocale) && !trySetLanguageAndTerritory(language, territory, errors)) {
+            trySetLanguageAndTerritory(language, /*territory*/ undefined, errors);
+        }
+        // Set the UI locale for string collation
+        ts.setUILocale(locale);
+        function trySetLanguageAndTerritory(language, territory, errors) {
+            var compilerFilePath = ts.normalizePath(sys.getExecutingFilePath());
+            var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath);
+            var filePath = ts.combinePaths(containingDirectoryPath, language);
+            if (territory) {
+                filePath = filePath + "-" + territory;
+            }
+            filePath = sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json"));
+            if (!sys.fileExists(filePath)) {
+                return false;
+            }
+            // TODO: Add codePage support for readFile?
+            var fileContents = "";
+            try {
+                fileContents = sys.readFile(filePath);
+            }
+            catch (e) {
+                if (errors) {
+                    errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath));
+                }
+                return false;
+            }
+            try {
+                // this is a global mutation (or live binding update)!
+                ts.setLocalizedDiagnosticMessages(JSON.parse(fileContents));
+            }
+            catch (_a) {
+                if (errors) {
+                    errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath));
+                }
+                return false;
+            }
+            return true;
+        }
+    }
+    ts.validateLocaleAndSetLanguage = validateLocaleAndSetLanguage;
+    function getOriginalNode(node, nodeTest) {
+        if (node) {
+            while (node.original !== undefined) {
+                node = node.original;
+            }
+        }
+        return !nodeTest || nodeTest(node) ? node : undefined;
+    }
+    ts.getOriginalNode = getOriginalNode;
+    function findAncestor(node, callback) {
+        while (node) {
+            var result = callback(node);
+            if (result === "quit") {
+                return undefined;
+            }
+            else if (result) {
+                return node;
+            }
+            node = node.parent;
+        }
+        return undefined;
+    }
+    ts.findAncestor = findAncestor;
+    /**
+     * Gets a value indicating whether a node originated in the parse tree.
+     *
+     * @param node The node to test.
+     */
+    function isParseTreeNode(node) {
+        return (node.flags & 8 /* NodeFlags.Synthesized */) === 0;
+    }
+    ts.isParseTreeNode = isParseTreeNode;
+    function getParseTreeNode(node, nodeTest) {
+        if (node === undefined || isParseTreeNode(node)) {
+            return node;
+        }
+        node = node.original;
+        while (node) {
+            if (isParseTreeNode(node)) {
+                return !nodeTest || nodeTest(node) ? node : undefined;
+            }
+            node = node.original;
+        }
+    }
+    ts.getParseTreeNode = getParseTreeNode;
+    /** Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' */
+    function escapeLeadingUnderscores(identifier) {
+        return (identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* CharacterCodes._ */ && identifier.charCodeAt(1) === 95 /* CharacterCodes._ */ ? "_" + identifier : identifier);
+    }
+    ts.escapeLeadingUnderscores = escapeLeadingUnderscores;
+    /**
+     * Remove extra underscore from escaped identifier text content.
+     *
+     * @param identifier The escaped identifier text.
+     * @returns The unescaped identifier text.
+     */
+    function unescapeLeadingUnderscores(identifier) {
+        var id = identifier;
+        return id.length >= 3 && id.charCodeAt(0) === 95 /* CharacterCodes._ */ && id.charCodeAt(1) === 95 /* CharacterCodes._ */ && id.charCodeAt(2) === 95 /* CharacterCodes._ */ ? id.substr(1) : id;
+    }
+    ts.unescapeLeadingUnderscores = unescapeLeadingUnderscores;
+    function idText(identifierOrPrivateName) {
+        return unescapeLeadingUnderscores(identifierOrPrivateName.escapedText);
+    }
+    ts.idText = idText;
+    function symbolName(symbol) {
+        if (symbol.valueDeclaration && isPrivateIdentifierClassElementDeclaration(symbol.valueDeclaration)) {
+            return idText(symbol.valueDeclaration.name);
+        }
+        return unescapeLeadingUnderscores(symbol.escapedName);
+    }
+    ts.symbolName = symbolName;
+    /**
+     * A JSDocTypedef tag has an _optional_ name field - if a name is not directly present, we should
+     * attempt to draw the name from the node the declaration is on (as that declaration is what its' symbol
+     * will be merged with)
+     */
+    function nameForNamelessJSDocTypedef(declaration) {
+        var hostNode = declaration.parent.parent;
+        if (!hostNode) {
+            return undefined;
+        }
+        // Covers classes, functions - any named declaration host node
+        if (isDeclaration(hostNode)) {
+            return getDeclarationIdentifier(hostNode);
+        }
+        // Covers remaining cases (returning undefined if none match).
+        switch (hostNode.kind) {
+            case 237 /* SyntaxKind.VariableStatement */:
+                if (hostNode.declarationList && hostNode.declarationList.declarations[0]) {
+                    return getDeclarationIdentifier(hostNode.declarationList.declarations[0]);
+                }
+                break;
+            case 238 /* SyntaxKind.ExpressionStatement */:
+                var expr = hostNode.expression;
+                if (expr.kind === 221 /* SyntaxKind.BinaryExpression */ && expr.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) {
+                    expr = expr.left;
+                }
+                switch (expr.kind) {
+                    case 206 /* SyntaxKind.PropertyAccessExpression */:
+                        return expr.name;
+                    case 207 /* SyntaxKind.ElementAccessExpression */:
+                        var arg = expr.argumentExpression;
+                        if (ts.isIdentifier(arg)) {
+                            return arg;
+                        }
+                }
+                break;
+            case 212 /* SyntaxKind.ParenthesizedExpression */: {
+                return getDeclarationIdentifier(hostNode.expression);
+            }
+            case 250 /* SyntaxKind.LabeledStatement */: {
+                if (isDeclaration(hostNode.statement) || isExpression(hostNode.statement)) {
+                    return getDeclarationIdentifier(hostNode.statement);
+                }
+                break;
+            }
+        }
+    }
+    function getDeclarationIdentifier(node) {
+        var name = getNameOfDeclaration(node);
+        return name && ts.isIdentifier(name) ? name : undefined;
+    }
+    /** @internal */
+    function nodeHasName(statement, name) {
+        if (isNamedDeclaration(statement) && ts.isIdentifier(statement.name) && idText(statement.name) === idText(name)) {
+            return true;
+        }
+        if (ts.isVariableStatement(statement) && ts.some(statement.declarationList.declarations, function (d) { return nodeHasName(d, name); })) {
+            return true;
+        }
+        return false;
+    }
+    ts.nodeHasName = nodeHasName;
+    function getNameOfJSDocTypedef(declaration) {
+        return declaration.name || nameForNamelessJSDocTypedef(declaration);
+    }
+    ts.getNameOfJSDocTypedef = getNameOfJSDocTypedef;
+    /** @internal */
+    function isNamedDeclaration(node) {
+        return !!node.name; // A 'name' property should always be a DeclarationName.
+    }
+    ts.isNamedDeclaration = isNamedDeclaration;
+    /** @internal */
+    function getNonAssignedNameOfDeclaration(declaration) {
+        switch (declaration.kind) {
+            case 79 /* SyntaxKind.Identifier */:
+                return declaration;
+            case 347 /* SyntaxKind.JSDocPropertyTag */:
+            case 340 /* SyntaxKind.JSDocParameterTag */: {
+                var name = declaration.name;
+                if (name.kind === 161 /* SyntaxKind.QualifiedName */) {
+                    return name.right;
+                }
+                break;
+            }
+            case 208 /* SyntaxKind.CallExpression */:
+            case 221 /* SyntaxKind.BinaryExpression */: {
+                var expr_1 = declaration;
+                switch (ts.getAssignmentDeclarationKind(expr_1)) {
+                    case 1 /* AssignmentDeclarationKind.ExportsProperty */:
+                    case 4 /* AssignmentDeclarationKind.ThisProperty */:
+                    case 5 /* AssignmentDeclarationKind.Property */:
+                    case 3 /* AssignmentDeclarationKind.PrototypeProperty */:
+                        return ts.getElementOrPropertyAccessArgumentExpressionOrName(expr_1.left);
+                    case 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */:
+                    case 8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */:
+                    case 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */:
+                        return expr_1.arguments[1];
+                    default:
+                        return undefined;
+                }
+            }
+            case 345 /* SyntaxKind.JSDocTypedefTag */:
+                return getNameOfJSDocTypedef(declaration);
+            case 339 /* SyntaxKind.JSDocEnumTag */:
+                return nameForNamelessJSDocTypedef(declaration);
+            case 271 /* SyntaxKind.ExportAssignment */: {
+                var expression = declaration.expression;
+                return ts.isIdentifier(expression) ? expression : undefined;
+            }
+            case 207 /* SyntaxKind.ElementAccessExpression */:
+                var expr = declaration;
+                if (ts.isBindableStaticElementAccessExpression(expr)) {
+                    return expr.argumentExpression;
+                }
+        }
+        return declaration.name;
+    }
+    ts.getNonAssignedNameOfDeclaration = getNonAssignedNameOfDeclaration;
+    function getNameOfDeclaration(declaration) {
+        if (declaration === undefined)
+            return undefined;
+        return getNonAssignedNameOfDeclaration(declaration) ||
+            (ts.isFunctionExpression(declaration) || ts.isArrowFunction(declaration) || ts.isClassExpression(declaration) ? getAssignedName(declaration) : undefined);
+    }
+    ts.getNameOfDeclaration = getNameOfDeclaration;
+    /*@internal*/
+    function getAssignedName(node) {
+        if (!node.parent) {
+            return undefined;
+        }
+        else if (ts.isPropertyAssignment(node.parent) || ts.isBindingElement(node.parent)) {
+            return node.parent.name;
+        }
+        else if (ts.isBinaryExpression(node.parent) && node === node.parent.right) {
+            if (ts.isIdentifier(node.parent.left)) {
+                return node.parent.left;
+            }
+            else if (ts.isAccessExpression(node.parent.left)) {
+                return ts.getElementOrPropertyAccessArgumentExpressionOrName(node.parent.left);
+            }
+        }
+        else if (ts.isVariableDeclaration(node.parent) && ts.isIdentifier(node.parent.name)) {
+            return node.parent.name;
+        }
+    }
+    ts.getAssignedName = getAssignedName;
+    function getJSDocParameterTagsWorker(param, noCache) {
+        if (param.name) {
+            if (ts.isIdentifier(param.name)) {
+                var name_1 = param.name.escapedText;
+                return getJSDocTagsWorker(param.parent, noCache).filter(function (tag) { return ts.isJSDocParameterTag(tag) && ts.isIdentifier(tag.name) && tag.name.escapedText === name_1; });
+            }
+            else {
+                var i = param.parent.parameters.indexOf(param);
+                ts.Debug.assert(i > -1, "Parameters should always be in their parents' parameter list");
+                var paramTags = getJSDocTagsWorker(param.parent, noCache).filter(ts.isJSDocParameterTag);
+                if (i < paramTags.length) {
+                    return [paramTags[i]];
+                }
+            }
+        }
+        // return empty array for: out-of-order binding patterns and JSDoc function syntax, which has un-named parameters
+        return ts.emptyArray;
+    }
+    /**
+     * Gets the JSDoc parameter tags for the node if present.
+     *
+     * @remarks Returns any JSDoc param tag whose name matches the provided
+     * parameter, whether a param tag on a containing function
+     * expression, or a param tag on a variable declaration whose
+     * initializer is the containing function. The tags closest to the
+     * node are returned first, so in the previous example, the param
+     * tag on the containing function expression would be first.
+     *
+     * For binding patterns, parameter tags are matched by position.
+     */
+    function getJSDocParameterTags(param) {
+        return getJSDocParameterTagsWorker(param, /*noCache*/ false);
+    }
+    ts.getJSDocParameterTags = getJSDocParameterTags;
+    /* @internal */
+    function getJSDocParameterTagsNoCache(param) {
+        return getJSDocParameterTagsWorker(param, /*noCache*/ true);
+    }
+    ts.getJSDocParameterTagsNoCache = getJSDocParameterTagsNoCache;
+    function getJSDocTypeParameterTagsWorker(param, noCache) {
+        var name = param.name.escapedText;
+        return getJSDocTagsWorker(param.parent, noCache).filter(function (tag) {
+            return ts.isJSDocTemplateTag(tag) && tag.typeParameters.some(function (tp) { return tp.name.escapedText === name; });
+        });
+    }
+    /**
+     * Gets the JSDoc type parameter tags for the node if present.
+     *
+     * @remarks Returns any JSDoc template tag whose names match the provided
+     * parameter, whether a template tag on a containing function
+     * expression, or a template tag on a variable declaration whose
+     * initializer is the containing function. The tags closest to the
+     * node are returned first, so in the previous example, the template
+     * tag on the containing function expression would be first.
+     */
+    function getJSDocTypeParameterTags(param) {
+        return getJSDocTypeParameterTagsWorker(param, /*noCache*/ false);
+    }
+    ts.getJSDocTypeParameterTags = getJSDocTypeParameterTags;
+    /* @internal */
+    function getJSDocTypeParameterTagsNoCache(param) {
+        return getJSDocTypeParameterTagsWorker(param, /*noCache*/ true);
+    }
+    ts.getJSDocTypeParameterTagsNoCache = getJSDocTypeParameterTagsNoCache;
+    /**
+     * Return true if the node has JSDoc parameter tags.
+     *
+     * @remarks Includes parameter tags that are not directly on the node,
+     * for example on a variable declaration whose initializer is a function expression.
+     */
+    function hasJSDocParameterTags(node) {
+        return !!getFirstJSDocTag(node, ts.isJSDocParameterTag);
+    }
+    ts.hasJSDocParameterTags = hasJSDocParameterTags;
+    /** Gets the JSDoc augments tag for the node if present */
+    function getJSDocAugmentsTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocAugmentsTag);
+    }
+    ts.getJSDocAugmentsTag = getJSDocAugmentsTag;
+    /** Gets the JSDoc implements tags for the node if present */
+    function getJSDocImplementsTags(node) {
+        return getAllJSDocTags(node, ts.isJSDocImplementsTag);
+    }
+    ts.getJSDocImplementsTags = getJSDocImplementsTags;
+    /** Gets the JSDoc class tag for the node if present */
+    function getJSDocClassTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocClassTag);
+    }
+    ts.getJSDocClassTag = getJSDocClassTag;
+    /** Gets the JSDoc public tag for the node if present */
+    function getJSDocPublicTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocPublicTag);
+    }
+    ts.getJSDocPublicTag = getJSDocPublicTag;
+    /*@internal*/
+    function getJSDocPublicTagNoCache(node) {
+        return getFirstJSDocTag(node, ts.isJSDocPublicTag, /*noCache*/ true);
+    }
+    ts.getJSDocPublicTagNoCache = getJSDocPublicTagNoCache;
+    /** Gets the JSDoc private tag for the node if present */
+    function getJSDocPrivateTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocPrivateTag);
+    }
+    ts.getJSDocPrivateTag = getJSDocPrivateTag;
+    /*@internal*/
+    function getJSDocPrivateTagNoCache(node) {
+        return getFirstJSDocTag(node, ts.isJSDocPrivateTag, /*noCache*/ true);
+    }
+    ts.getJSDocPrivateTagNoCache = getJSDocPrivateTagNoCache;
+    /** Gets the JSDoc protected tag for the node if present */
+    function getJSDocProtectedTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocProtectedTag);
+    }
+    ts.getJSDocProtectedTag = getJSDocProtectedTag;
+    /*@internal*/
+    function getJSDocProtectedTagNoCache(node) {
+        return getFirstJSDocTag(node, ts.isJSDocProtectedTag, /*noCache*/ true);
+    }
+    ts.getJSDocProtectedTagNoCache = getJSDocProtectedTagNoCache;
+    /** Gets the JSDoc protected tag for the node if present */
+    function getJSDocReadonlyTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocReadonlyTag);
+    }
+    ts.getJSDocReadonlyTag = getJSDocReadonlyTag;
+    /*@internal*/
+    function getJSDocReadonlyTagNoCache(node) {
+        return getFirstJSDocTag(node, ts.isJSDocReadonlyTag, /*noCache*/ true);
+    }
+    ts.getJSDocReadonlyTagNoCache = getJSDocReadonlyTagNoCache;
+    function getJSDocOverrideTagNoCache(node) {
+        return getFirstJSDocTag(node, ts.isJSDocOverrideTag, /*noCache*/ true);
+    }
+    ts.getJSDocOverrideTagNoCache = getJSDocOverrideTagNoCache;
+    /** Gets the JSDoc deprecated tag for the node if present */
+    function getJSDocDeprecatedTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocDeprecatedTag);
+    }
+    ts.getJSDocDeprecatedTag = getJSDocDeprecatedTag;
+    /*@internal */
+    function getJSDocDeprecatedTagNoCache(node) {
+        return getFirstJSDocTag(node, ts.isJSDocDeprecatedTag, /*noCache*/ true);
+    }
+    ts.getJSDocDeprecatedTagNoCache = getJSDocDeprecatedTagNoCache;
+    /** Gets the JSDoc enum tag for the node if present */
+    function getJSDocEnumTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocEnumTag);
+    }
+    ts.getJSDocEnumTag = getJSDocEnumTag;
+    /** Gets the JSDoc this tag for the node if present */
+    function getJSDocThisTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocThisTag);
+    }
+    ts.getJSDocThisTag = getJSDocThisTag;
+    /** Gets the JSDoc return tag for the node if present */
+    function getJSDocReturnTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocReturnTag);
+    }
+    ts.getJSDocReturnTag = getJSDocReturnTag;
+    /** Gets the JSDoc template tag for the node if present */
+    function getJSDocTemplateTag(node) {
+        return getFirstJSDocTag(node, ts.isJSDocTemplateTag);
+    }
+    ts.getJSDocTemplateTag = getJSDocTemplateTag;
+    /** Gets the JSDoc type tag for the node if present and valid */
+    function getJSDocTypeTag(node) {
+        // We should have already issued an error if there were multiple type jsdocs, so just use the first one.
+        var tag = getFirstJSDocTag(node, ts.isJSDocTypeTag);
+        if (tag && tag.typeExpression && tag.typeExpression.type) {
+            return tag;
+        }
+        return undefined;
+    }
+    ts.getJSDocTypeTag = getJSDocTypeTag;
+    /**
+     * Gets the type node for the node if provided via JSDoc.
+     *
+     * @remarks The search includes any JSDoc param tag that relates
+     * to the provided parameter, for example a type tag on the
+     * parameter itself, or a param tag on a containing function
+     * expression, or a param tag on a variable declaration whose
+     * initializer is the containing function. The tags closest to the
+     * node are examined first, so in the previous example, the type
+     * tag directly on the node would be returned.
+     */
+    function getJSDocType(node) {
+        var tag = getFirstJSDocTag(node, ts.isJSDocTypeTag);
+        if (!tag && ts.isParameter(node)) {
+            tag = ts.find(getJSDocParameterTags(node), function (tag) { return !!tag.typeExpression; });
+        }
+        return tag && tag.typeExpression && tag.typeExpression.type;
+    }
+    ts.getJSDocType = getJSDocType;
+    /**
+     * Gets the return type node for the node if provided via JSDoc return tag or type tag.
+     *
+     * @remarks `getJSDocReturnTag` just gets the whole JSDoc tag. This function
+     * gets the type from inside the braces, after the fat arrow, etc.
+     */
+    function getJSDocReturnType(node) {
+        var returnTag = getJSDocReturnTag(node);
+        if (returnTag && returnTag.typeExpression) {
+            return returnTag.typeExpression.type;
+        }
+        var typeTag = getJSDocTypeTag(node);
+        if (typeTag && typeTag.typeExpression) {
+            var type = typeTag.typeExpression.type;
+            if (ts.isTypeLiteralNode(type)) {
+                var sig = ts.find(type.members, ts.isCallSignatureDeclaration);
+                return sig && sig.type;
+            }
+            if (ts.isFunctionTypeNode(type) || ts.isJSDocFunctionType(type)) {
+                return type.type;
+            }
+        }
+    }
+    ts.getJSDocReturnType = getJSDocReturnType;
+    function getJSDocTagsWorker(node, noCache) {
+        var tags = node.jsDocCache;
+        // If cache is 'null', that means we did the work of searching for JSDoc tags and came up with nothing.
+        if (tags === undefined || noCache) {
+            var comments = ts.getJSDocCommentsAndTags(node, noCache);
+            ts.Debug.assert(comments.length < 2 || comments[0] !== comments[1]);
+            tags = ts.flatMap(comments, function (j) { return ts.isJSDoc(j) ? j.tags : j; });
+            if (!noCache) {
+                node.jsDocCache = tags;
+            }
+        }
+        return tags;
+    }
+    /** Get all JSDoc tags related to a node, including those on parent nodes. */
+    function getJSDocTags(node) {
+        return getJSDocTagsWorker(node, /*noCache*/ false);
+    }
+    ts.getJSDocTags = getJSDocTags;
+    /* @internal */
+    function getJSDocTagsNoCache(node) {
+        return getJSDocTagsWorker(node, /*noCache*/ true);
+    }
+    ts.getJSDocTagsNoCache = getJSDocTagsNoCache;
+    /** Get the first JSDoc tag of a specified kind, or undefined if not present. */
+    function getFirstJSDocTag(node, predicate, noCache) {
+        return ts.find(getJSDocTagsWorker(node, noCache), predicate);
+    }
+    /** Gets all JSDoc tags that match a specified predicate */
+    function getAllJSDocTags(node, predicate) {
+        return getJSDocTags(node).filter(predicate);
+    }
+    ts.getAllJSDocTags = getAllJSDocTags;
+    /** Gets all JSDoc tags of a specified kind */
+    function getAllJSDocTagsOfKind(node, kind) {
+        return getJSDocTags(node).filter(function (doc) { return doc.kind === kind; });
+    }
+    ts.getAllJSDocTagsOfKind = getAllJSDocTagsOfKind;
+    /** Gets the text of a jsdoc comment, flattening links to their text. */
+    function getTextOfJSDocComment(comment) {
+        return typeof comment === "string" ? comment
+            : comment === null || comment === void 0 ? void 0 : comment.map(function (c) { return c.kind === 321 /* SyntaxKind.JSDocText */ ? c.text : formatJSDocLink(c); }).join("");
+    }
+    ts.getTextOfJSDocComment = getTextOfJSDocComment;
+    function formatJSDocLink(link) {
+        var kind = link.kind === 324 /* SyntaxKind.JSDocLink */ ? "link"
+            : link.kind === 325 /* SyntaxKind.JSDocLinkCode */ ? "linkcode"
+                : "linkplain";
+        var name = link.name ? ts.entityNameToString(link.name) : "";
+        var space = link.name && link.text.startsWith("://") ? "" : " ";
+        return "{@".concat(kind, " ").concat(name).concat(space).concat(link.text, "}");
+    }
+    /**
+     * Gets the effective type parameters. If the node was parsed in a
+     * JavaScript file, gets the type parameters from the `@template` tag from JSDoc.
+     */
+    function getEffectiveTypeParameterDeclarations(node) {
+        if (ts.isJSDocSignature(node)) {
+            return ts.emptyArray;
+        }
+        if (ts.isJSDocTypeAlias(node)) {
+            ts.Debug.assert(node.parent.kind === 320 /* SyntaxKind.JSDoc */);
+            return ts.flatMap(node.parent.tags, function (tag) { return ts.isJSDocTemplateTag(tag) ? tag.typeParameters : undefined; });
+        }
+        if (node.typeParameters) {
+            return node.typeParameters;
+        }
+        if (ts.isInJSFile(node)) {
+            var decls = ts.getJSDocTypeParameterDeclarations(node);
+            if (decls.length) {
+                return decls;
+            }
+            var typeTag = getJSDocType(node);
+            if (typeTag && ts.isFunctionTypeNode(typeTag) && typeTag.typeParameters) {
+                return typeTag.typeParameters;
+            }
+        }
+        return ts.emptyArray;
+    }
+    ts.getEffectiveTypeParameterDeclarations = getEffectiveTypeParameterDeclarations;
+    function getEffectiveConstraintOfTypeParameter(node) {
+        return node.constraint ? node.constraint :
+            ts.isJSDocTemplateTag(node.parent) && node === node.parent.typeParameters[0] ? node.parent.constraint :
+                undefined;
+    }
+    ts.getEffectiveConstraintOfTypeParameter = getEffectiveConstraintOfTypeParameter;
+    // #region
+    function isMemberName(node) {
+        return node.kind === 79 /* SyntaxKind.Identifier */ || node.kind === 80 /* SyntaxKind.PrivateIdentifier */;
+    }
+    ts.isMemberName = isMemberName;
+    /* @internal */
+    function isGetOrSetAccessorDeclaration(node) {
+        return node.kind === 173 /* SyntaxKind.SetAccessor */ || node.kind === 172 /* SyntaxKind.GetAccessor */;
+    }
+    ts.isGetOrSetAccessorDeclaration = isGetOrSetAccessorDeclaration;
+    function isPropertyAccessChain(node) {
+        return ts.isPropertyAccessExpression(node) && !!(node.flags & 32 /* NodeFlags.OptionalChain */);
+    }
+    ts.isPropertyAccessChain = isPropertyAccessChain;
+    function isElementAccessChain(node) {
+        return ts.isElementAccessExpression(node) && !!(node.flags & 32 /* NodeFlags.OptionalChain */);
+    }
+    ts.isElementAccessChain = isElementAccessChain;
+    function isCallChain(node) {
+        return ts.isCallExpression(node) && !!(node.flags & 32 /* NodeFlags.OptionalChain */);
+    }
+    ts.isCallChain = isCallChain;
+    function isOptionalChain(node) {
+        var kind = node.kind;
+        return !!(node.flags & 32 /* NodeFlags.OptionalChain */) &&
+            (kind === 206 /* SyntaxKind.PropertyAccessExpression */
+                || kind === 207 /* SyntaxKind.ElementAccessExpression */
+                || kind === 208 /* SyntaxKind.CallExpression */
+                || kind === 230 /* SyntaxKind.NonNullExpression */);
+    }
+    ts.isOptionalChain = isOptionalChain;
+    /* @internal */
+    function isOptionalChainRoot(node) {
+        return isOptionalChain(node) && !ts.isNonNullExpression(node) && !!node.questionDotToken;
+    }
+    ts.isOptionalChainRoot = isOptionalChainRoot;
+    /**
+     * Determines whether a node is the expression preceding an optional chain (i.e. `a` in `a?.b`).
+     */
+    /* @internal */
+    function isExpressionOfOptionalChainRoot(node) {
+        return isOptionalChainRoot(node.parent) && node.parent.expression === node;
+    }
+    ts.isExpressionOfOptionalChainRoot = isExpressionOfOptionalChainRoot;
+    /**
+     * Determines whether a node is the outermost `OptionalChain` in an ECMAScript `OptionalExpression`:
+     *
+     * 1. For `a?.b.c`, the outermost chain is `a?.b.c` (`c` is the end of the chain starting at `a?.`)
+     * 2. For `a?.b!`, the outermost chain is `a?.b` (`b` is the end of the chain starting at `a?.`)
+     * 3. For `(a?.b.c).d`, the outermost chain is `a?.b.c` (`c` is the end of the chain starting at `a?.` since parens end the chain)
+     * 4. For `a?.b.c?.d`, both `a?.b.c` and `a?.b.c?.d` are outermost (`c` is the end of the chain starting at `a?.`, and `d` is
+     *   the end of the chain starting at `c?.`)
+     * 5. For `a?.(b?.c).d`, both `b?.c` and `a?.(b?.c)d` are outermost (`c` is the end of the chain starting at `b`, and `d` is
+     *   the end of the chain starting at `a?.`)
+     */
+    /* @internal */
+    function isOutermostOptionalChain(node) {
+        return !isOptionalChain(node.parent) // cases 1, 2, and 3
+            || isOptionalChainRoot(node.parent) // case 4
+            || node !== node.parent.expression; // case 5
+    }
+    ts.isOutermostOptionalChain = isOutermostOptionalChain;
+    function isNullishCoalesce(node) {
+        return node.kind === 221 /* SyntaxKind.BinaryExpression */ && node.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */;
+    }
+    ts.isNullishCoalesce = isNullishCoalesce;
+    function isConstTypeReference(node) {
+        return ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName) &&
+            node.typeName.escapedText === "const" && !node.typeArguments;
+    }
+    ts.isConstTypeReference = isConstTypeReference;
+    function skipPartiallyEmittedExpressions(node) {
+        return ts.skipOuterExpressions(node, 8 /* OuterExpressionKinds.PartiallyEmittedExpressions */);
+    }
+    ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions;
+    function isNonNullChain(node) {
+        return ts.isNonNullExpression(node) && !!(node.flags & 32 /* NodeFlags.OptionalChain */);
+    }
+    ts.isNonNullChain = isNonNullChain;
+    function isBreakOrContinueStatement(node) {
+        return node.kind === 246 /* SyntaxKind.BreakStatement */ || node.kind === 245 /* SyntaxKind.ContinueStatement */;
+    }
+    ts.isBreakOrContinueStatement = isBreakOrContinueStatement;
+    function isNamedExportBindings(node) {
+        return node.kind === 274 /* SyntaxKind.NamespaceExport */ || node.kind === 273 /* SyntaxKind.NamedExports */;
+    }
+    ts.isNamedExportBindings = isNamedExportBindings;
+    function isUnparsedTextLike(node) {
+        switch (node.kind) {
+            case 302 /* SyntaxKind.UnparsedText */:
+            case 303 /* SyntaxKind.UnparsedInternalText */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isUnparsedTextLike = isUnparsedTextLike;
+    function isUnparsedNode(node) {
+        return isUnparsedTextLike(node) ||
+            node.kind === 300 /* SyntaxKind.UnparsedPrologue */ ||
+            node.kind === 304 /* SyntaxKind.UnparsedSyntheticReference */;
+    }
+    ts.isUnparsedNode = isUnparsedNode;
+    function isJSDocPropertyLikeTag(node) {
+        return node.kind === 347 /* SyntaxKind.JSDocPropertyTag */ || node.kind === 340 /* SyntaxKind.JSDocParameterTag */;
+    }
+    ts.isJSDocPropertyLikeTag = isJSDocPropertyLikeTag;
+    // #endregion
+    // #region
+    // Node tests
+    //
+    // All node tests in the following list should *not* reference parent pointers so that
+    // they may be used with transformations.
+    /* @internal */
+    function isNode(node) {
+        return isNodeKind(node.kind);
+    }
+    ts.isNode = isNode;
+    /* @internal */
+    function isNodeKind(kind) {
+        return kind >= 161 /* SyntaxKind.FirstNode */;
+    }
+    ts.isNodeKind = isNodeKind;
+    /**
+     * True if kind is of some token syntax kind.
+     * For example, this is true for an IfKeyword but not for an IfStatement.
+     * Literals are considered tokens, except TemplateLiteral, but does include TemplateHead/Middle/Tail.
+     */
+    function isTokenKind(kind) {
+        return kind >= 0 /* SyntaxKind.FirstToken */ && kind <= 160 /* SyntaxKind.LastToken */;
+    }
+    ts.isTokenKind = isTokenKind;
+    /**
+     * True if node is of some token syntax kind.
+     * For example, this is true for an IfKeyword but not for an IfStatement.
+     * Literals are considered tokens, except TemplateLiteral, but does include TemplateHead/Middle/Tail.
+     */
+    function isToken(n) {
+        return isTokenKind(n.kind);
+    }
+    ts.isToken = isToken;
+    // Node Arrays
+    /* @internal */
+    function isNodeArray(array) {
+        return array.hasOwnProperty("pos") && array.hasOwnProperty("end");
+    }
+    ts.isNodeArray = isNodeArray;
+    // Literals
+    /* @internal */
+    function isLiteralKind(kind) {
+        return 8 /* SyntaxKind.FirstLiteralToken */ <= kind && kind <= 14 /* SyntaxKind.LastLiteralToken */;
+    }
+    ts.isLiteralKind = isLiteralKind;
+    function isLiteralExpression(node) {
+        return isLiteralKind(node.kind);
+    }
+    ts.isLiteralExpression = isLiteralExpression;
+    // Pseudo-literals
+    /* @internal */
+    function isTemplateLiteralKind(kind) {
+        return 14 /* SyntaxKind.FirstTemplateToken */ <= kind && kind <= 17 /* SyntaxKind.LastTemplateToken */;
+    }
+    ts.isTemplateLiteralKind = isTemplateLiteralKind;
+    function isTemplateLiteralToken(node) {
+        return isTemplateLiteralKind(node.kind);
+    }
+    ts.isTemplateLiteralToken = isTemplateLiteralToken;
+    function isTemplateMiddleOrTemplateTail(node) {
+        var kind = node.kind;
+        return kind === 16 /* SyntaxKind.TemplateMiddle */
+            || kind === 17 /* SyntaxKind.TemplateTail */;
+    }
+    ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail;
+    function isImportOrExportSpecifier(node) {
+        return ts.isImportSpecifier(node) || ts.isExportSpecifier(node);
+    }
+    ts.isImportOrExportSpecifier = isImportOrExportSpecifier;
+    function isTypeOnlyImportOrExportDeclaration(node) {
+        switch (node.kind) {
+            case 270 /* SyntaxKind.ImportSpecifier */:
+            case 275 /* SyntaxKind.ExportSpecifier */:
+                return node.isTypeOnly || node.parent.parent.isTypeOnly;
+            case 268 /* SyntaxKind.NamespaceImport */:
+                return node.parent.isTypeOnly;
+            case 267 /* SyntaxKind.ImportClause */:
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                return node.isTypeOnly;
+            default:
+                return false;
+        }
+    }
+    ts.isTypeOnlyImportOrExportDeclaration = isTypeOnlyImportOrExportDeclaration;
+    function isAssertionKey(node) {
+        return ts.isStringLiteral(node) || ts.isIdentifier(node);
+    }
+    ts.isAssertionKey = isAssertionKey;
+    function isStringTextContainingNode(node) {
+        return node.kind === 10 /* SyntaxKind.StringLiteral */ || isTemplateLiteralKind(node.kind);
+    }
+    ts.isStringTextContainingNode = isStringTextContainingNode;
+    // Identifiers
+    /* @internal */
+    function isGeneratedIdentifier(node) {
+        return ts.isIdentifier(node) && (node.autoGenerateFlags & 7 /* GeneratedIdentifierFlags.KindMask */) > 0 /* GeneratedIdentifierFlags.None */;
+    }
+    ts.isGeneratedIdentifier = isGeneratedIdentifier;
+    // Private Identifiers
+    /*@internal*/
+    function isPrivateIdentifierClassElementDeclaration(node) {
+        return (ts.isPropertyDeclaration(node) || isMethodOrAccessor(node)) && ts.isPrivateIdentifier(node.name);
+    }
+    ts.isPrivateIdentifierClassElementDeclaration = isPrivateIdentifierClassElementDeclaration;
+    /*@internal*/
+    function isPrivateIdentifierPropertyAccessExpression(node) {
+        return ts.isPropertyAccessExpression(node) && ts.isPrivateIdentifier(node.name);
+    }
+    ts.isPrivateIdentifierPropertyAccessExpression = isPrivateIdentifierPropertyAccessExpression;
+    // Keywords
+    /* @internal */
+    function isModifierKind(token) {
+        switch (token) {
+            case 126 /* SyntaxKind.AbstractKeyword */:
+            case 131 /* SyntaxKind.AsyncKeyword */:
+            case 85 /* SyntaxKind.ConstKeyword */:
+            case 135 /* SyntaxKind.DeclareKeyword */:
+            case 88 /* SyntaxKind.DefaultKeyword */:
+            case 93 /* SyntaxKind.ExportKeyword */:
+            case 101 /* SyntaxKind.InKeyword */:
+            case 123 /* SyntaxKind.PublicKeyword */:
+            case 121 /* SyntaxKind.PrivateKeyword */:
+            case 122 /* SyntaxKind.ProtectedKeyword */:
+            case 145 /* SyntaxKind.ReadonlyKeyword */:
+            case 124 /* SyntaxKind.StaticKeyword */:
+            case 144 /* SyntaxKind.OutKeyword */:
+            case 159 /* SyntaxKind.OverrideKeyword */:
+                return true;
+        }
+        return false;
+    }
+    ts.isModifierKind = isModifierKind;
+    /* @internal */
+    function isParameterPropertyModifier(kind) {
+        return !!(ts.modifierToFlag(kind) & 16476 /* ModifierFlags.ParameterPropertyModifier */);
+    }
+    ts.isParameterPropertyModifier = isParameterPropertyModifier;
+    /* @internal */
+    function isClassMemberModifier(idToken) {
+        return isParameterPropertyModifier(idToken) || idToken === 124 /* SyntaxKind.StaticKeyword */ || idToken === 159 /* SyntaxKind.OverrideKeyword */;
+    }
+    ts.isClassMemberModifier = isClassMemberModifier;
+    function isModifier(node) {
+        return isModifierKind(node.kind);
+    }
+    ts.isModifier = isModifier;
+    function isEntityName(node) {
+        var kind = node.kind;
+        return kind === 161 /* SyntaxKind.QualifiedName */
+            || kind === 79 /* SyntaxKind.Identifier */;
+    }
+    ts.isEntityName = isEntityName;
+    function isPropertyName(node) {
+        var kind = node.kind;
+        return kind === 79 /* SyntaxKind.Identifier */
+            || kind === 80 /* SyntaxKind.PrivateIdentifier */
+            || kind === 10 /* SyntaxKind.StringLiteral */
+            || kind === 8 /* SyntaxKind.NumericLiteral */
+            || kind === 162 /* SyntaxKind.ComputedPropertyName */;
+    }
+    ts.isPropertyName = isPropertyName;
+    function isBindingName(node) {
+        var kind = node.kind;
+        return kind === 79 /* SyntaxKind.Identifier */
+            || kind === 201 /* SyntaxKind.ObjectBindingPattern */
+            || kind === 202 /* SyntaxKind.ArrayBindingPattern */;
+    }
+    ts.isBindingName = isBindingName;
+    // Functions
+    function isFunctionLike(node) {
+        return !!node && isFunctionLikeKind(node.kind);
+    }
+    ts.isFunctionLike = isFunctionLike;
+    /* @internal */
+    function isFunctionLikeOrClassStaticBlockDeclaration(node) {
+        return !!node && (isFunctionLikeKind(node.kind) || ts.isClassStaticBlockDeclaration(node));
+    }
+    ts.isFunctionLikeOrClassStaticBlockDeclaration = isFunctionLikeOrClassStaticBlockDeclaration;
+    /* @internal */
+    function isFunctionLikeDeclaration(node) {
+        return node && isFunctionLikeDeclarationKind(node.kind);
+    }
+    ts.isFunctionLikeDeclaration = isFunctionLikeDeclaration;
+    /* @internal */
+    function isBooleanLiteral(node) {
+        return node.kind === 110 /* SyntaxKind.TrueKeyword */ || node.kind === 95 /* SyntaxKind.FalseKeyword */;
+    }
+    ts.isBooleanLiteral = isBooleanLiteral;
+    function isFunctionLikeDeclarationKind(kind) {
+        switch (kind) {
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 171 /* SyntaxKind.Constructor */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    /* @internal */
+    function isFunctionLikeKind(kind) {
+        switch (kind) {
+            case 168 /* SyntaxKind.MethodSignature */:
+            case 174 /* SyntaxKind.CallSignature */:
+            case 323 /* SyntaxKind.JSDocSignature */:
+            case 175 /* SyntaxKind.ConstructSignature */:
+            case 176 /* SyntaxKind.IndexSignature */:
+            case 179 /* SyntaxKind.FunctionType */:
+            case 317 /* SyntaxKind.JSDocFunctionType */:
+            case 180 /* SyntaxKind.ConstructorType */:
+                return true;
+            default:
+                return isFunctionLikeDeclarationKind(kind);
+        }
+    }
+    ts.isFunctionLikeKind = isFunctionLikeKind;
+    /* @internal */
+    function isFunctionOrModuleBlock(node) {
+        return ts.isSourceFile(node) || ts.isModuleBlock(node) || ts.isBlock(node) && isFunctionLike(node.parent);
+    }
+    ts.isFunctionOrModuleBlock = isFunctionOrModuleBlock;
+    // Classes
+    function isClassElement(node) {
+        var kind = node.kind;
+        return kind === 171 /* SyntaxKind.Constructor */
+            || kind === 167 /* SyntaxKind.PropertyDeclaration */
+            || kind === 169 /* SyntaxKind.MethodDeclaration */
+            || kind === 172 /* SyntaxKind.GetAccessor */
+            || kind === 173 /* SyntaxKind.SetAccessor */
+            || kind === 176 /* SyntaxKind.IndexSignature */
+            || kind === 170 /* SyntaxKind.ClassStaticBlockDeclaration */
+            || kind === 234 /* SyntaxKind.SemicolonClassElement */;
+    }
+    ts.isClassElement = isClassElement;
+    function isClassLike(node) {
+        return node && (node.kind === 257 /* SyntaxKind.ClassDeclaration */ || node.kind === 226 /* SyntaxKind.ClassExpression */);
+    }
+    ts.isClassLike = isClassLike;
+    function isAccessor(node) {
+        return node && (node.kind === 172 /* SyntaxKind.GetAccessor */ || node.kind === 173 /* SyntaxKind.SetAccessor */);
+    }
+    ts.isAccessor = isAccessor;
+    /* @internal */
+    function isMethodOrAccessor(node) {
+        switch (node.kind) {
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isMethodOrAccessor = isMethodOrAccessor;
+    // Type members
+    function isTypeElement(node) {
+        var kind = node.kind;
+        return kind === 175 /* SyntaxKind.ConstructSignature */
+            || kind === 174 /* SyntaxKind.CallSignature */
+            || kind === 166 /* SyntaxKind.PropertySignature */
+            || kind === 168 /* SyntaxKind.MethodSignature */
+            || kind === 176 /* SyntaxKind.IndexSignature */
+            || kind === 172 /* SyntaxKind.GetAccessor */
+            || kind === 173 /* SyntaxKind.SetAccessor */;
+    }
+    ts.isTypeElement = isTypeElement;
+    function isClassOrTypeElement(node) {
+        return isTypeElement(node) || isClassElement(node);
+    }
+    ts.isClassOrTypeElement = isClassOrTypeElement;
+    function isObjectLiteralElementLike(node) {
+        var kind = node.kind;
+        return kind === 296 /* SyntaxKind.PropertyAssignment */
+            || kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */
+            || kind === 298 /* SyntaxKind.SpreadAssignment */
+            || kind === 169 /* SyntaxKind.MethodDeclaration */
+            || kind === 172 /* SyntaxKind.GetAccessor */
+            || kind === 173 /* SyntaxKind.SetAccessor */;
+    }
+    ts.isObjectLiteralElementLike = isObjectLiteralElementLike;
+    // Type
+    /**
+     * Node test that determines whether a node is a valid type node.
+     * This differs from the `isPartOfTypeNode` function which determines whether a node is *part*
+     * of a TypeNode.
+     */
+    function isTypeNode(node) {
+        return ts.isTypeNodeKind(node.kind);
+    }
+    ts.isTypeNode = isTypeNode;
+    function isFunctionOrConstructorTypeNode(node) {
+        switch (node.kind) {
+            case 179 /* SyntaxKind.FunctionType */:
+            case 180 /* SyntaxKind.ConstructorType */:
+                return true;
+        }
+        return false;
+    }
+    ts.isFunctionOrConstructorTypeNode = isFunctionOrConstructorTypeNode;
+    // Binding patterns
+    /* @internal */
+    function isBindingPattern(node) {
+        if (node) {
+            var kind = node.kind;
+            return kind === 202 /* SyntaxKind.ArrayBindingPattern */
+                || kind === 201 /* SyntaxKind.ObjectBindingPattern */;
+        }
+        return false;
+    }
+    ts.isBindingPattern = isBindingPattern;
+    /* @internal */
+    function isAssignmentPattern(node) {
+        var kind = node.kind;
+        return kind === 204 /* SyntaxKind.ArrayLiteralExpression */
+            || kind === 205 /* SyntaxKind.ObjectLiteralExpression */;
+    }
+    ts.isAssignmentPattern = isAssignmentPattern;
+    /* @internal */
+    function isArrayBindingElement(node) {
+        var kind = node.kind;
+        return kind === 203 /* SyntaxKind.BindingElement */
+            || kind === 227 /* SyntaxKind.OmittedExpression */;
+    }
+    ts.isArrayBindingElement = isArrayBindingElement;
+    /**
+     * Determines whether the BindingOrAssignmentElement is a BindingElement-like declaration
+     */
+    /* @internal */
+    function isDeclarationBindingElement(bindingElement) {
+        switch (bindingElement.kind) {
+            case 254 /* SyntaxKind.VariableDeclaration */:
+            case 164 /* SyntaxKind.Parameter */:
+            case 203 /* SyntaxKind.BindingElement */:
+                return true;
+        }
+        return false;
+    }
+    ts.isDeclarationBindingElement = isDeclarationBindingElement;
+    /**
+     * Determines whether a node is a BindingOrAssignmentPattern
+     */
+    /* @internal */
+    function isBindingOrAssignmentPattern(node) {
+        return isObjectBindingOrAssignmentPattern(node)
+            || isArrayBindingOrAssignmentPattern(node);
+    }
+    ts.isBindingOrAssignmentPattern = isBindingOrAssignmentPattern;
+    /**
+     * Determines whether a node is an ObjectBindingOrAssignmentPattern
+     */
+    /* @internal */
+    function isObjectBindingOrAssignmentPattern(node) {
+        switch (node.kind) {
+            case 201 /* SyntaxKind.ObjectBindingPattern */:
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                return true;
+        }
+        return false;
+    }
+    ts.isObjectBindingOrAssignmentPattern = isObjectBindingOrAssignmentPattern;
+    /* @internal */
+    function isObjectBindingOrAssignmentElement(node) {
+        switch (node.kind) {
+            case 203 /* SyntaxKind.BindingElement */:
+            case 296 /* SyntaxKind.PropertyAssignment */: // AssignmentProperty
+            case 297 /* SyntaxKind.ShorthandPropertyAssignment */: // AssignmentProperty
+            case 298 /* SyntaxKind.SpreadAssignment */: // AssignmentRestProperty
+                return true;
+        }
+        return false;
+    }
+    ts.isObjectBindingOrAssignmentElement = isObjectBindingOrAssignmentElement;
+    /**
+     * Determines whether a node is an ArrayBindingOrAssignmentPattern
+     */
+    /* @internal */
+    function isArrayBindingOrAssignmentPattern(node) {
+        switch (node.kind) {
+            case 202 /* SyntaxKind.ArrayBindingPattern */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                return true;
+        }
+        return false;
+    }
+    ts.isArrayBindingOrAssignmentPattern = isArrayBindingOrAssignmentPattern;
+    /* @internal */
+    function isPropertyAccessOrQualifiedNameOrImportTypeNode(node) {
+        var kind = node.kind;
+        return kind === 206 /* SyntaxKind.PropertyAccessExpression */
+            || kind === 161 /* SyntaxKind.QualifiedName */
+            || kind === 200 /* SyntaxKind.ImportType */;
+    }
+    ts.isPropertyAccessOrQualifiedNameOrImportTypeNode = isPropertyAccessOrQualifiedNameOrImportTypeNode;
+    // Expression
+    function isPropertyAccessOrQualifiedName(node) {
+        var kind = node.kind;
+        return kind === 206 /* SyntaxKind.PropertyAccessExpression */
+            || kind === 161 /* SyntaxKind.QualifiedName */;
+    }
+    ts.isPropertyAccessOrQualifiedName = isPropertyAccessOrQualifiedName;
+    function isCallLikeExpression(node) {
+        switch (node.kind) {
+            case 280 /* SyntaxKind.JsxOpeningElement */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+            case 208 /* SyntaxKind.CallExpression */:
+            case 209 /* SyntaxKind.NewExpression */:
+            case 210 /* SyntaxKind.TaggedTemplateExpression */:
+            case 165 /* SyntaxKind.Decorator */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isCallLikeExpression = isCallLikeExpression;
+    function isCallOrNewExpression(node) {
+        return node.kind === 208 /* SyntaxKind.CallExpression */ || node.kind === 209 /* SyntaxKind.NewExpression */;
+    }
+    ts.isCallOrNewExpression = isCallOrNewExpression;
+    function isTemplateLiteral(node) {
+        var kind = node.kind;
+        return kind === 223 /* SyntaxKind.TemplateExpression */
+            || kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */;
+    }
+    ts.isTemplateLiteral = isTemplateLiteral;
+    /* @internal */
+    function isLeftHandSideExpression(node) {
+        return isLeftHandSideExpressionKind(skipPartiallyEmittedExpressions(node).kind);
+    }
+    ts.isLeftHandSideExpression = isLeftHandSideExpression;
+    function isLeftHandSideExpressionKind(kind) {
+        switch (kind) {
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+            case 207 /* SyntaxKind.ElementAccessExpression */:
+            case 209 /* SyntaxKind.NewExpression */:
+            case 208 /* SyntaxKind.CallExpression */:
+            case 278 /* SyntaxKind.JsxElement */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+            case 282 /* SyntaxKind.JsxFragment */:
+            case 210 /* SyntaxKind.TaggedTemplateExpression */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+            case 226 /* SyntaxKind.ClassExpression */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 79 /* SyntaxKind.Identifier */:
+            case 80 /* SyntaxKind.PrivateIdentifier */: // technically this is only an Expression if it's in a `#field in expr` BinaryExpression
+            case 13 /* SyntaxKind.RegularExpressionLiteral */:
+            case 8 /* SyntaxKind.NumericLiteral */:
+            case 9 /* SyntaxKind.BigIntLiteral */:
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 223 /* SyntaxKind.TemplateExpression */:
+            case 95 /* SyntaxKind.FalseKeyword */:
+            case 104 /* SyntaxKind.NullKeyword */:
+            case 108 /* SyntaxKind.ThisKeyword */:
+            case 110 /* SyntaxKind.TrueKeyword */:
+            case 106 /* SyntaxKind.SuperKeyword */:
+            case 230 /* SyntaxKind.NonNullExpression */:
+            case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+            case 231 /* SyntaxKind.MetaProperty */:
+            case 100 /* SyntaxKind.ImportKeyword */: // technically this is only an Expression if it's in a CallExpression
+                return true;
+            default:
+                return false;
+        }
+    }
+    /* @internal */
+    function isUnaryExpression(node) {
+        return isUnaryExpressionKind(skipPartiallyEmittedExpressions(node).kind);
+    }
+    ts.isUnaryExpression = isUnaryExpression;
+    function isUnaryExpressionKind(kind) {
+        switch (kind) {
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+            case 220 /* SyntaxKind.PostfixUnaryExpression */:
+            case 215 /* SyntaxKind.DeleteExpression */:
+            case 216 /* SyntaxKind.TypeOfExpression */:
+            case 217 /* SyntaxKind.VoidExpression */:
+            case 218 /* SyntaxKind.AwaitExpression */:
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+                return true;
+            default:
+                return isLeftHandSideExpressionKind(kind);
+        }
+    }
+    /* @internal */
+    function isUnaryExpressionWithWrite(expr) {
+        switch (expr.kind) {
+            case 220 /* SyntaxKind.PostfixUnaryExpression */:
+                return true;
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+                return expr.operator === 45 /* SyntaxKind.PlusPlusToken */ ||
+                    expr.operator === 46 /* SyntaxKind.MinusMinusToken */;
+            default:
+                return false;
+        }
+    }
+    ts.isUnaryExpressionWithWrite = isUnaryExpressionWithWrite;
+    /* @internal */
+    /**
+     * Determines whether a node is an expression based only on its kind.
+     * Use `isExpressionNode` if not in transforms.
+     */
+    function isExpression(node) {
+        return isExpressionKind(skipPartiallyEmittedExpressions(node).kind);
+    }
+    ts.isExpression = isExpression;
+    function isExpressionKind(kind) {
+        switch (kind) {
+            case 222 /* SyntaxKind.ConditionalExpression */:
+            case 224 /* SyntaxKind.YieldExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+            case 221 /* SyntaxKind.BinaryExpression */:
+            case 225 /* SyntaxKind.SpreadElement */:
+            case 229 /* SyntaxKind.AsExpression */:
+            case 227 /* SyntaxKind.OmittedExpression */:
+            case 351 /* SyntaxKind.CommaListExpression */:
+            case 350 /* SyntaxKind.PartiallyEmittedExpression */:
+                return true;
+            default:
+                return isUnaryExpressionKind(kind);
+        }
+    }
+    function isAssertionExpression(node) {
+        var kind = node.kind;
+        return kind === 211 /* SyntaxKind.TypeAssertionExpression */
+            || kind === 229 /* SyntaxKind.AsExpression */;
+    }
+    ts.isAssertionExpression = isAssertionExpression;
+    /* @internal */
+    function isNotEmittedOrPartiallyEmittedNode(node) {
+        return ts.isNotEmittedStatement(node)
+            || ts.isPartiallyEmittedExpression(node);
+    }
+    ts.isNotEmittedOrPartiallyEmittedNode = isNotEmittedOrPartiallyEmittedNode;
+    function isIterationStatement(node, lookInLabeledStatements) {
+        switch (node.kind) {
+            case 242 /* SyntaxKind.ForStatement */:
+            case 243 /* SyntaxKind.ForInStatement */:
+            case 244 /* SyntaxKind.ForOfStatement */:
+            case 240 /* SyntaxKind.DoStatement */:
+            case 241 /* SyntaxKind.WhileStatement */:
+                return true;
+            case 250 /* SyntaxKind.LabeledStatement */:
+                return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements);
+        }
+        return false;
+    }
+    ts.isIterationStatement = isIterationStatement;
+    /* @internal */
+    function isScopeMarker(node) {
+        return ts.isExportAssignment(node) || ts.isExportDeclaration(node);
+    }
+    ts.isScopeMarker = isScopeMarker;
+    /* @internal */
+    function hasScopeMarker(statements) {
+        return ts.some(statements, isScopeMarker);
+    }
+    ts.hasScopeMarker = hasScopeMarker;
+    /* @internal */
+    function needsScopeMarker(result) {
+        return !ts.isAnyImportOrReExport(result) && !ts.isExportAssignment(result) && !ts.hasSyntacticModifier(result, 1 /* ModifierFlags.Export */) && !ts.isAmbientModule(result);
+    }
+    ts.needsScopeMarker = needsScopeMarker;
+    /* @internal */
+    function isExternalModuleIndicator(result) {
+        // Exported top-level member indicates moduleness
+        return ts.isAnyImportOrReExport(result) || ts.isExportAssignment(result) || ts.hasSyntacticModifier(result, 1 /* ModifierFlags.Export */);
+    }
+    ts.isExternalModuleIndicator = isExternalModuleIndicator;
+    /* @internal */
+    function isForInOrOfStatement(node) {
+        return node.kind === 243 /* SyntaxKind.ForInStatement */ || node.kind === 244 /* SyntaxKind.ForOfStatement */;
+    }
+    ts.isForInOrOfStatement = isForInOrOfStatement;
+    // Element
+    /* @internal */
+    function isConciseBody(node) {
+        return ts.isBlock(node)
+            || isExpression(node);
+    }
+    ts.isConciseBody = isConciseBody;
+    /* @internal */
+    function isFunctionBody(node) {
+        return ts.isBlock(node);
+    }
+    ts.isFunctionBody = isFunctionBody;
+    /* @internal */
+    function isForInitializer(node) {
+        return ts.isVariableDeclarationList(node)
+            || isExpression(node);
+    }
+    ts.isForInitializer = isForInitializer;
+    /* @internal */
+    function isModuleBody(node) {
+        var kind = node.kind;
+        return kind === 262 /* SyntaxKind.ModuleBlock */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */
+            || kind === 79 /* SyntaxKind.Identifier */;
+    }
+    ts.isModuleBody = isModuleBody;
+    /* @internal */
+    function isNamespaceBody(node) {
+        var kind = node.kind;
+        return kind === 262 /* SyntaxKind.ModuleBlock */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */;
+    }
+    ts.isNamespaceBody = isNamespaceBody;
+    /* @internal */
+    function isJSDocNamespaceBody(node) {
+        var kind = node.kind;
+        return kind === 79 /* SyntaxKind.Identifier */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */;
+    }
+    ts.isJSDocNamespaceBody = isJSDocNamespaceBody;
+    /* @internal */
+    function isNamedImportBindings(node) {
+        var kind = node.kind;
+        return kind === 269 /* SyntaxKind.NamedImports */
+            || kind === 268 /* SyntaxKind.NamespaceImport */;
+    }
+    ts.isNamedImportBindings = isNamedImportBindings;
+    /* @internal */
+    function isModuleOrEnumDeclaration(node) {
+        return node.kind === 261 /* SyntaxKind.ModuleDeclaration */ || node.kind === 260 /* SyntaxKind.EnumDeclaration */;
+    }
+    ts.isModuleOrEnumDeclaration = isModuleOrEnumDeclaration;
+    function isDeclarationKind(kind) {
+        return kind === 214 /* SyntaxKind.ArrowFunction */
+            || kind === 203 /* SyntaxKind.BindingElement */
+            || kind === 257 /* SyntaxKind.ClassDeclaration */
+            || kind === 226 /* SyntaxKind.ClassExpression */
+            || kind === 170 /* SyntaxKind.ClassStaticBlockDeclaration */
+            || kind === 171 /* SyntaxKind.Constructor */
+            || kind === 260 /* SyntaxKind.EnumDeclaration */
+            || kind === 299 /* SyntaxKind.EnumMember */
+            || kind === 275 /* SyntaxKind.ExportSpecifier */
+            || kind === 256 /* SyntaxKind.FunctionDeclaration */
+            || kind === 213 /* SyntaxKind.FunctionExpression */
+            || kind === 172 /* SyntaxKind.GetAccessor */
+            || kind === 267 /* SyntaxKind.ImportClause */
+            || kind === 265 /* SyntaxKind.ImportEqualsDeclaration */
+            || kind === 270 /* SyntaxKind.ImportSpecifier */
+            || kind === 258 /* SyntaxKind.InterfaceDeclaration */
+            || kind === 285 /* SyntaxKind.JsxAttribute */
+            || kind === 169 /* SyntaxKind.MethodDeclaration */
+            || kind === 168 /* SyntaxKind.MethodSignature */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */
+            || kind === 264 /* SyntaxKind.NamespaceExportDeclaration */
+            || kind === 268 /* SyntaxKind.NamespaceImport */
+            || kind === 274 /* SyntaxKind.NamespaceExport */
+            || kind === 164 /* SyntaxKind.Parameter */
+            || kind === 296 /* SyntaxKind.PropertyAssignment */
+            || kind === 167 /* SyntaxKind.PropertyDeclaration */
+            || kind === 166 /* SyntaxKind.PropertySignature */
+            || kind === 173 /* SyntaxKind.SetAccessor */
+            || kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */
+            || kind === 259 /* SyntaxKind.TypeAliasDeclaration */
+            || kind === 163 /* SyntaxKind.TypeParameter */
+            || kind === 254 /* SyntaxKind.VariableDeclaration */
+            || kind === 345 /* SyntaxKind.JSDocTypedefTag */
+            || kind === 338 /* SyntaxKind.JSDocCallbackTag */
+            || kind === 347 /* SyntaxKind.JSDocPropertyTag */;
+    }
+    function isDeclarationStatementKind(kind) {
+        return kind === 256 /* SyntaxKind.FunctionDeclaration */
+            || kind === 276 /* SyntaxKind.MissingDeclaration */
+            || kind === 257 /* SyntaxKind.ClassDeclaration */
+            || kind === 258 /* SyntaxKind.InterfaceDeclaration */
+            || kind === 259 /* SyntaxKind.TypeAliasDeclaration */
+            || kind === 260 /* SyntaxKind.EnumDeclaration */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */
+            || kind === 266 /* SyntaxKind.ImportDeclaration */
+            || kind === 265 /* SyntaxKind.ImportEqualsDeclaration */
+            || kind === 272 /* SyntaxKind.ExportDeclaration */
+            || kind === 271 /* SyntaxKind.ExportAssignment */
+            || kind === 264 /* SyntaxKind.NamespaceExportDeclaration */;
+    }
+    function isStatementKindButNotDeclarationKind(kind) {
+        return kind === 246 /* SyntaxKind.BreakStatement */
+            || kind === 245 /* SyntaxKind.ContinueStatement */
+            || kind === 253 /* SyntaxKind.DebuggerStatement */
+            || kind === 240 /* SyntaxKind.DoStatement */
+            || kind === 238 /* SyntaxKind.ExpressionStatement */
+            || kind === 236 /* SyntaxKind.EmptyStatement */
+            || kind === 243 /* SyntaxKind.ForInStatement */
+            || kind === 244 /* SyntaxKind.ForOfStatement */
+            || kind === 242 /* SyntaxKind.ForStatement */
+            || kind === 239 /* SyntaxKind.IfStatement */
+            || kind === 250 /* SyntaxKind.LabeledStatement */
+            || kind === 247 /* SyntaxKind.ReturnStatement */
+            || kind === 249 /* SyntaxKind.SwitchStatement */
+            || kind === 251 /* SyntaxKind.ThrowStatement */
+            || kind === 252 /* SyntaxKind.TryStatement */
+            || kind === 237 /* SyntaxKind.VariableStatement */
+            || kind === 241 /* SyntaxKind.WhileStatement */
+            || kind === 248 /* SyntaxKind.WithStatement */
+            || kind === 349 /* SyntaxKind.NotEmittedStatement */
+            || kind === 353 /* SyntaxKind.EndOfDeclarationMarker */
+            || kind === 352 /* SyntaxKind.MergeDeclarationMarker */;
+    }
+    /* @internal */
+    function isDeclaration(node) {
+        if (node.kind === 163 /* SyntaxKind.TypeParameter */) {
+            return (node.parent && node.parent.kind !== 344 /* SyntaxKind.JSDocTemplateTag */) || ts.isInJSFile(node);
+        }
+        return isDeclarationKind(node.kind);
+    }
+    ts.isDeclaration = isDeclaration;
+    /* @internal */
+    function isDeclarationStatement(node) {
+        return isDeclarationStatementKind(node.kind);
+    }
+    ts.isDeclarationStatement = isDeclarationStatement;
+    /**
+     * Determines whether the node is a statement that is not also a declaration
+     */
+    /* @internal */
+    function isStatementButNotDeclaration(node) {
+        return isStatementKindButNotDeclarationKind(node.kind);
+    }
+    ts.isStatementButNotDeclaration = isStatementButNotDeclaration;
+    /* @internal */
+    function isStatement(node) {
+        var kind = node.kind;
+        return isStatementKindButNotDeclarationKind(kind)
+            || isDeclarationStatementKind(kind)
+            || isBlockStatement(node);
+    }
+    ts.isStatement = isStatement;
+    function isBlockStatement(node) {
+        if (node.kind !== 235 /* SyntaxKind.Block */)
+            return false;
+        if (node.parent !== undefined) {
+            if (node.parent.kind === 252 /* SyntaxKind.TryStatement */ || node.parent.kind === 292 /* SyntaxKind.CatchClause */) {
+                return false;
+            }
+        }
+        return !ts.isFunctionBlock(node);
+    }
+    /**
+     * NOTE: This is similar to `isStatement` but does not access parent pointers.
+     */
+    /* @internal */
+    function isStatementOrBlock(node) {
+        var kind = node.kind;
+        return isStatementKindButNotDeclarationKind(kind)
+            || isDeclarationStatementKind(kind)
+            || kind === 235 /* SyntaxKind.Block */;
+    }
+    ts.isStatementOrBlock = isStatementOrBlock;
+    // Module references
+    /* @internal */
+    function isModuleReference(node) {
+        var kind = node.kind;
+        return kind === 277 /* SyntaxKind.ExternalModuleReference */
+            || kind === 161 /* SyntaxKind.QualifiedName */
+            || kind === 79 /* SyntaxKind.Identifier */;
+    }
+    ts.isModuleReference = isModuleReference;
+    // JSX
+    /* @internal */
+    function isJsxTagNameExpression(node) {
+        var kind = node.kind;
+        return kind === 108 /* SyntaxKind.ThisKeyword */
+            || kind === 79 /* SyntaxKind.Identifier */
+            || kind === 206 /* SyntaxKind.PropertyAccessExpression */;
+    }
+    ts.isJsxTagNameExpression = isJsxTagNameExpression;
+    /* @internal */
+    function isJsxChild(node) {
+        var kind = node.kind;
+        return kind === 278 /* SyntaxKind.JsxElement */
+            || kind === 288 /* SyntaxKind.JsxExpression */
+            || kind === 279 /* SyntaxKind.JsxSelfClosingElement */
+            || kind === 11 /* SyntaxKind.JsxText */
+            || kind === 282 /* SyntaxKind.JsxFragment */;
+    }
+    ts.isJsxChild = isJsxChild;
+    /* @internal */
+    function isJsxAttributeLike(node) {
+        var kind = node.kind;
+        return kind === 285 /* SyntaxKind.JsxAttribute */
+            || kind === 287 /* SyntaxKind.JsxSpreadAttribute */;
+    }
+    ts.isJsxAttributeLike = isJsxAttributeLike;
+    /* @internal */
+    function isStringLiteralOrJsxExpression(node) {
+        var kind = node.kind;
+        return kind === 10 /* SyntaxKind.StringLiteral */
+            || kind === 288 /* SyntaxKind.JsxExpression */;
+    }
+    ts.isStringLiteralOrJsxExpression = isStringLiteralOrJsxExpression;
+    function isJsxOpeningLikeElement(node) {
+        var kind = node.kind;
+        return kind === 280 /* SyntaxKind.JsxOpeningElement */
+            || kind === 279 /* SyntaxKind.JsxSelfClosingElement */;
+    }
+    ts.isJsxOpeningLikeElement = isJsxOpeningLikeElement;
+    // Clauses
+    function isCaseOrDefaultClause(node) {
+        var kind = node.kind;
+        return kind === 289 /* SyntaxKind.CaseClause */
+            || kind === 290 /* SyntaxKind.DefaultClause */;
+    }
+    ts.isCaseOrDefaultClause = isCaseOrDefaultClause;
+    // JSDoc
+    /** True if node is of some JSDoc syntax kind. */
+    /* @internal */
+    function isJSDocNode(node) {
+        return node.kind >= 309 /* SyntaxKind.FirstJSDocNode */ && node.kind <= 347 /* SyntaxKind.LastJSDocNode */;
+    }
+    ts.isJSDocNode = isJSDocNode;
+    /** True if node is of a kind that may contain comment text. */
+    function isJSDocCommentContainingNode(node) {
+        return node.kind === 320 /* SyntaxKind.JSDoc */
+            || node.kind === 319 /* SyntaxKind.JSDocNamepathType */
+            || node.kind === 321 /* SyntaxKind.JSDocText */
+            || isJSDocLinkLike(node)
+            || isJSDocTag(node)
+            || ts.isJSDocTypeLiteral(node)
+            || ts.isJSDocSignature(node);
+    }
+    ts.isJSDocCommentContainingNode = isJSDocCommentContainingNode;
+    // TODO: determine what this does before making it public.
+    /* @internal */
+    function isJSDocTag(node) {
+        return node.kind >= 327 /* SyntaxKind.FirstJSDocTagNode */ && node.kind <= 347 /* SyntaxKind.LastJSDocTagNode */;
+    }
+    ts.isJSDocTag = isJSDocTag;
+    function isSetAccessor(node) {
+        return node.kind === 173 /* SyntaxKind.SetAccessor */;
+    }
+    ts.isSetAccessor = isSetAccessor;
+    function isGetAccessor(node) {
+        return node.kind === 172 /* SyntaxKind.GetAccessor */;
+    }
+    ts.isGetAccessor = isGetAccessor;
+    /** True if has jsdoc nodes attached to it. */
+    /* @internal */
+    // TODO: GH#19856 Would like to return `node is Node & { jsDoc: JSDoc[] }` but it causes long compile times
+    function hasJSDocNodes(node) {
+        var jsDoc = node.jsDoc;
+        return !!jsDoc && jsDoc.length > 0;
+    }
+    ts.hasJSDocNodes = hasJSDocNodes;
+    /** True if has type node attached to it. */
+    /* @internal */
+    function hasType(node) {
+        return !!node.type;
+    }
+    ts.hasType = hasType;
+    /** True if has initializer node attached to it. */
+    /* @internal */
+    function hasInitializer(node) {
+        return !!node.initializer;
+    }
+    ts.hasInitializer = hasInitializer;
+    /** True if has initializer node attached to it. */
+    function hasOnlyExpressionInitializer(node) {
+        switch (node.kind) {
+            case 254 /* SyntaxKind.VariableDeclaration */:
+            case 164 /* SyntaxKind.Parameter */:
+            case 203 /* SyntaxKind.BindingElement */:
+            case 166 /* SyntaxKind.PropertySignature */:
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+            case 296 /* SyntaxKind.PropertyAssignment */:
+            case 299 /* SyntaxKind.EnumMember */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.hasOnlyExpressionInitializer = hasOnlyExpressionInitializer;
+    function isObjectLiteralElement(node) {
+        return node.kind === 285 /* SyntaxKind.JsxAttribute */ || node.kind === 287 /* SyntaxKind.JsxSpreadAttribute */ || isObjectLiteralElementLike(node);
+    }
+    ts.isObjectLiteralElement = isObjectLiteralElement;
+    /* @internal */
+    function isTypeReferenceType(node) {
+        return node.kind === 178 /* SyntaxKind.TypeReference */ || node.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */;
+    }
+    ts.isTypeReferenceType = isTypeReferenceType;
+    var MAX_SMI_X86 = 1073741823;
+    /* @internal */
+    function guessIndentation(lines) {
+        var indentation = MAX_SMI_X86;
+        for (var _i = 0, lines_1 = lines; _i < lines_1.length; _i++) {
+            var line = lines_1[_i];
+            if (!line.length) {
+                continue;
+            }
+            var i = 0;
+            for (; i < line.length && i < indentation; i++) {
+                if (!ts.isWhiteSpaceLike(line.charCodeAt(i))) {
+                    break;
+                }
+            }
+            if (i < indentation) {
+                indentation = i;
+            }
+            if (indentation === 0) {
+                return 0;
+            }
+        }
+        return indentation === MAX_SMI_X86 ? undefined : indentation;
+    }
+    ts.guessIndentation = guessIndentation;
+    function isStringLiteralLike(node) {
+        return node.kind === 10 /* SyntaxKind.StringLiteral */ || node.kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */;
+    }
+    ts.isStringLiteralLike = isStringLiteralLike;
+    function isJSDocLinkLike(node) {
+        return node.kind === 324 /* SyntaxKind.JSDocLink */ || node.kind === 325 /* SyntaxKind.JSDocLinkCode */ || node.kind === 326 /* SyntaxKind.JSDocLinkPlain */;
+    }
+    ts.isJSDocLinkLike = isJSDocLinkLike;
+    // #endregion
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    ts.resolvingEmptyArray = [];
+    ts.externalHelpersModuleNameText = "tslib";
+    ts.defaultMaximumTruncationLength = 160;
+    ts.noTruncationMaximumTruncationLength = 1000000;
+    function getDeclarationOfKind(symbol, kind) {
+        var declarations = symbol.declarations;
+        if (declarations) {
+            for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) {
+                var declaration = declarations_1[_i];
+                if (declaration.kind === kind) {
+                    return declaration;
+                }
+            }
+        }
+        return undefined;
+    }
+    ts.getDeclarationOfKind = getDeclarationOfKind;
+    function getDeclarationsOfKind(symbol, kind) {
+        return ts.filter(symbol.declarations || ts.emptyArray, function (d) { return d.kind === kind; });
+    }
+    ts.getDeclarationsOfKind = getDeclarationsOfKind;
+    function createSymbolTable(symbols) {
+        var result = new ts.Map();
+        if (symbols) {
+            for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) {
+                var symbol = symbols_1[_i];
+                result.set(symbol.escapedName, symbol);
+            }
+        }
+        return result;
+    }
+    ts.createSymbolTable = createSymbolTable;
+    function isTransientSymbol(symbol) {
+        return (symbol.flags & 33554432 /* SymbolFlags.Transient */) !== 0;
+    }
+    ts.isTransientSymbol = isTransientSymbol;
+    var stringWriter = createSingleLineStringWriter();
+    function createSingleLineStringWriter() {
+        var str = "";
+        var writeText = function (text) { return str += text; };
+        return {
+            getText: function () { return str; },
+            write: writeText,
+            rawWrite: writeText,
+            writeKeyword: writeText,
+            writeOperator: writeText,
+            writePunctuation: writeText,
+            writeSpace: writeText,
+            writeStringLiteral: writeText,
+            writeLiteral: writeText,
+            writeParameter: writeText,
+            writeProperty: writeText,
+            writeSymbol: function (s, _) { return writeText(s); },
+            writeTrailingSemicolon: writeText,
+            writeComment: writeText,
+            getTextPos: function () { return str.length; },
+            getLine: function () { return 0; },
+            getColumn: function () { return 0; },
+            getIndent: function () { return 0; },
+            isAtStartOfLine: function () { return false; },
+            hasTrailingComment: function () { return false; },
+            hasTrailingWhitespace: function () { return !!str.length && ts.isWhiteSpaceLike(str.charCodeAt(str.length - 1)); },
+            // Completely ignore indentation for string writers.  And map newlines to
+            // a single space.
+            writeLine: function () { return str += " "; },
+            increaseIndent: ts.noop,
+            decreaseIndent: ts.noop,
+            clear: function () { return str = ""; },
+            trackSymbol: function () { return false; },
+            reportInaccessibleThisError: ts.noop,
+            reportInaccessibleUniqueSymbolError: ts.noop,
+            reportPrivateInBaseOfClassExpression: ts.noop,
+        };
+    }
+    function changesAffectModuleResolution(oldOptions, newOptions) {
+        return oldOptions.configFilePath !== newOptions.configFilePath ||
+            optionsHaveModuleResolutionChanges(oldOptions, newOptions);
+    }
+    ts.changesAffectModuleResolution = changesAffectModuleResolution;
+    function optionsHaveModuleResolutionChanges(oldOptions, newOptions) {
+        return optionsHaveChanges(oldOptions, newOptions, ts.moduleResolutionOptionDeclarations);
+    }
+    ts.optionsHaveModuleResolutionChanges = optionsHaveModuleResolutionChanges;
+    function changesAffectingProgramStructure(oldOptions, newOptions) {
+        return optionsHaveChanges(oldOptions, newOptions, ts.optionsAffectingProgramStructure);
+    }
+    ts.changesAffectingProgramStructure = changesAffectingProgramStructure;
+    function optionsHaveChanges(oldOptions, newOptions, optionDeclarations) {
+        return oldOptions !== newOptions && optionDeclarations.some(function (o) {
+            return !isJsonEqual(getCompilerOptionValue(oldOptions, o), getCompilerOptionValue(newOptions, o));
+        });
+    }
+    ts.optionsHaveChanges = optionsHaveChanges;
+    function forEachAncestor(node, callback) {
+        while (true) {
+            var res = callback(node);
+            if (res === "quit")
+                return undefined;
+            if (res !== undefined)
+                return res;
+            if (ts.isSourceFile(node))
+                return undefined;
+            node = node.parent;
+        }
+    }
+    ts.forEachAncestor = forEachAncestor;
+    /**
+     * Calls `callback` for each entry in the map, returning the first truthy result.
+     * Use `map.forEach` instead for normal iteration.
+     */
+    function forEachEntry(map, callback) {
+        var iterator = map.entries();
+        for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
+            var _a = iterResult.value, key = _a[0], value = _a[1];
+            var result = callback(value, key);
+            if (result) {
+                return result;
+            }
+        }
+        return undefined;
+    }
+    ts.forEachEntry = forEachEntry;
+    /** `forEachEntry` for just keys. */
+    function forEachKey(map, callback) {
+        var iterator = map.keys();
+        for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
+            var result = callback(iterResult.value);
+            if (result) {
+                return result;
+            }
+        }
+        return undefined;
+    }
+    ts.forEachKey = forEachKey;
+    /** Copy entries from `source` to `target`. */
+    function copyEntries(source, target) {
+        source.forEach(function (value, key) {
+            target.set(key, value);
+        });
+    }
+    ts.copyEntries = copyEntries;
+    function usingSingleLineStringWriter(action) {
+        var oldString = stringWriter.getText();
+        try {
+            action(stringWriter);
+            return stringWriter.getText();
+        }
+        finally {
+            stringWriter.clear();
+            stringWriter.writeKeyword(oldString);
+        }
+    }
+    ts.usingSingleLineStringWriter = usingSingleLineStringWriter;
+    function getFullWidth(node) {
+        return node.end - node.pos;
+    }
+    ts.getFullWidth = getFullWidth;
+    function getResolvedModule(sourceFile, moduleNameText, mode) {
+        return sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules.get(moduleNameText, mode);
+    }
+    ts.getResolvedModule = getResolvedModule;
+    function setResolvedModule(sourceFile, moduleNameText, resolvedModule, mode) {
+        if (!sourceFile.resolvedModules) {
+            sourceFile.resolvedModules = ts.createModeAwareCache();
+        }
+        sourceFile.resolvedModules.set(moduleNameText, mode, resolvedModule);
+    }
+    ts.setResolvedModule = setResolvedModule;
+    function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) {
+        if (!sourceFile.resolvedTypeReferenceDirectiveNames) {
+            sourceFile.resolvedTypeReferenceDirectiveNames = ts.createModeAwareCache();
+        }
+        sourceFile.resolvedTypeReferenceDirectiveNames.set(typeReferenceDirectiveName, /*mode*/ undefined, resolvedTypeReferenceDirective);
+    }
+    ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective;
+    function projectReferenceIsEqualTo(oldRef, newRef) {
+        return oldRef.path === newRef.path &&
+            !oldRef.prepend === !newRef.prepend &&
+            !oldRef.circular === !newRef.circular;
+    }
+    ts.projectReferenceIsEqualTo = projectReferenceIsEqualTo;
+    function moduleResolutionIsEqualTo(oldResolution, newResolution) {
+        return oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport &&
+            oldResolution.extension === newResolution.extension &&
+            oldResolution.resolvedFileName === newResolution.resolvedFileName &&
+            oldResolution.originalPath === newResolution.originalPath &&
+            packageIdIsEqual(oldResolution.packageId, newResolution.packageId);
+    }
+    ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo;
+    function packageIdIsEqual(a, b) {
+        return a === b || !!a && !!b && a.name === b.name && a.subModuleName === b.subModuleName && a.version === b.version;
+    }
+    function packageIdToPackageName(_a) {
+        var name = _a.name, subModuleName = _a.subModuleName;
+        return subModuleName ? "".concat(name, "/").concat(subModuleName) : name;
+    }
+    ts.packageIdToPackageName = packageIdToPackageName;
+    function packageIdToString(packageId) {
+        return "".concat(packageIdToPackageName(packageId), "@").concat(packageId.version);
+    }
+    ts.packageIdToString = packageIdToString;
+    function typeDirectiveIsEqualTo(oldResolution, newResolution) {
+        return oldResolution.resolvedFileName === newResolution.resolvedFileName
+            && oldResolution.primary === newResolution.primary
+            && oldResolution.originalPath === newResolution.originalPath;
+    }
+    ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo;
+    function hasChangesInResolutions(names, newResolutions, oldResolutions, oldSourceFile, comparer) {
+        ts.Debug.assert(names.length === newResolutions.length);
+        for (var i = 0; i < names.length; i++) {
+            var newResolution = newResolutions[i];
+            var entry = names[i];
+            // We lower-case all type references because npm automatically lowercases all packages. See GH#9824.
+            var name = !ts.isString(entry) ? entry.fileName.toLowerCase() : entry;
+            var mode = !ts.isString(entry) ? ts.getModeForFileReference(entry, oldSourceFile === null || oldSourceFile === void 0 ? void 0 : oldSourceFile.impliedNodeFormat) : oldSourceFile && ts.getModeForResolutionAtIndex(oldSourceFile, i);
+            var oldResolution = oldResolutions && oldResolutions.get(name, mode);
+            var changed = oldResolution
+                ? !newResolution || !comparer(oldResolution, newResolution)
+                : newResolution;
+            if (changed) {
+                return true;
+            }
+        }
+        return false;
+    }
+    ts.hasChangesInResolutions = hasChangesInResolutions;
+    // Returns true if this node contains a parse error anywhere underneath it.
+    function containsParseError(node) {
+        aggregateChildData(node);
+        return (node.flags & 524288 /* NodeFlags.ThisNodeOrAnySubNodesHasError */) !== 0;
+    }
+    ts.containsParseError = containsParseError;
+    function aggregateChildData(node) {
+        if (!(node.flags & 1048576 /* NodeFlags.HasAggregatedChildData */)) {
+            // A node is considered to contain a parse error if:
+            //  a) the parser explicitly marked that it had an error
+            //  b) any of it's children reported that it had an error.
+            var thisNodeOrAnySubNodesHasError = ((node.flags & 131072 /* NodeFlags.ThisNodeHasError */) !== 0) ||
+                ts.forEachChild(node, containsParseError);
+            // If so, mark ourselves accordingly.
+            if (thisNodeOrAnySubNodesHasError) {
+                node.flags |= 524288 /* NodeFlags.ThisNodeOrAnySubNodesHasError */;
+            }
+            // Also mark that we've propagated the child information to this node.  This way we can
+            // always consult the bit directly on this node without needing to check its children
+            // again.
+            node.flags |= 1048576 /* NodeFlags.HasAggregatedChildData */;
+        }
+    }
+    function getSourceFileOfNode(node) {
+        while (node && node.kind !== 305 /* SyntaxKind.SourceFile */) {
+            node = node.parent;
+        }
+        return node;
+    }
+    ts.getSourceFileOfNode = getSourceFileOfNode;
+    function getSourceFileOfModule(module) {
+        return getSourceFileOfNode(module.valueDeclaration || getNonAugmentationDeclaration(module));
+    }
+    ts.getSourceFileOfModule = getSourceFileOfModule;
+    function isPlainJsFile(file, checkJs) {
+        return !!file && (file.scriptKind === 1 /* ScriptKind.JS */ || file.scriptKind === 2 /* ScriptKind.JSX */) && !file.checkJsDirective && checkJs === undefined;
+    }
+    ts.isPlainJsFile = isPlainJsFile;
+    function isStatementWithLocals(node) {
+        switch (node.kind) {
+            case 235 /* SyntaxKind.Block */:
+            case 263 /* SyntaxKind.CaseBlock */:
+            case 242 /* SyntaxKind.ForStatement */:
+            case 243 /* SyntaxKind.ForInStatement */:
+            case 244 /* SyntaxKind.ForOfStatement */:
+                return true;
+        }
+        return false;
+    }
+    ts.isStatementWithLocals = isStatementWithLocals;
+    function getStartPositionOfLine(line, sourceFile) {
+        ts.Debug.assert(line >= 0);
+        return ts.getLineStarts(sourceFile)[line];
+    }
+    ts.getStartPositionOfLine = getStartPositionOfLine;
+    // This is a useful function for debugging purposes.
+    function nodePosToString(node) {
+        var file = getSourceFileOfNode(node);
+        var loc = ts.getLineAndCharacterOfPosition(file, node.pos);
+        return "".concat(file.fileName, "(").concat(loc.line + 1, ",").concat(loc.character + 1, ")");
+    }
+    ts.nodePosToString = nodePosToString;
+    function getEndLinePosition(line, sourceFile) {
+        ts.Debug.assert(line >= 0);
+        var lineStarts = ts.getLineStarts(sourceFile);
+        var lineIndex = line;
+        var sourceText = sourceFile.text;
+        if (lineIndex + 1 === lineStarts.length) {
+            // last line - return EOF
+            return sourceText.length - 1;
+        }
+        else {
+            // current line start
+            var start = lineStarts[lineIndex];
+            // take the start position of the next line - 1 = it should be some line break
+            var pos = lineStarts[lineIndex + 1] - 1;
+            ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos)));
+            // walk backwards skipping line breaks, stop the the beginning of current line.
+            // i.e:
+            // 
+            // $ <- end of line for this position should match the start position
+            while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) {
+                pos--;
+            }
+            return pos;
+        }
+    }
+    ts.getEndLinePosition = getEndLinePosition;
+    /**
+     * Returns a value indicating whether a name is unique globally or within the current file.
+     * Note: This does not consider whether a name appears as a free identifier or not, so at the expression `x.y` this includes both `x` and `y`.
+     */
+    function isFileLevelUniqueName(sourceFile, name, hasGlobalName) {
+        return !(hasGlobalName && hasGlobalName(name)) && !sourceFile.identifiers.has(name);
+    }
+    ts.isFileLevelUniqueName = isFileLevelUniqueName;
+    // Returns true if this node is missing from the actual source code. A 'missing' node is different
+    // from 'undefined/defined'. When a node is undefined (which can happen for optional nodes
+    // in the tree), it is definitely missing. However, a node may be defined, but still be
+    // missing.  This happens whenever the parser knows it needs to parse something, but can't
+    // get anything in the source code that it expects at that location. For example:
+    //
+    //          let a: ;
+    //
+    // Here, the Type in the Type-Annotation is not-optional (as there is a colon in the source
+    // code). So the parser will attempt to parse out a type, and will create an actual node.
+    // However, this node will be 'missing' in the sense that no actual source-code/tokens are
+    // contained within it.
+    function nodeIsMissing(node) {
+        if (node === undefined) {
+            return true;
+        }
+        return node.pos === node.end && node.pos >= 0 && node.kind !== 1 /* SyntaxKind.EndOfFileToken */;
+    }
+    ts.nodeIsMissing = nodeIsMissing;
+    function nodeIsPresent(node) {
+        return !nodeIsMissing(node);
+    }
+    ts.nodeIsPresent = nodeIsPresent;
+    function insertStatementsAfterPrologue(to, from, isPrologueDirective) {
+        if (from === undefined || from.length === 0)
+            return to;
+        var statementIndex = 0;
+        // skip all prologue directives to insert at the correct position
+        for (; statementIndex < to.length; ++statementIndex) {
+            if (!isPrologueDirective(to[statementIndex])) {
+                break;
+            }
+        }
+        to.splice.apply(to, __spreadArray([statementIndex, 0], from, false));
+        return to;
+    }
+    function insertStatementAfterPrologue(to, statement, isPrologueDirective) {
+        if (statement === undefined)
+            return to;
+        var statementIndex = 0;
+        // skip all prologue directives to insert at the correct position
+        for (; statementIndex < to.length; ++statementIndex) {
+            if (!isPrologueDirective(to[statementIndex])) {
+                break;
+            }
+        }
+        to.splice(statementIndex, 0, statement);
+        return to;
+    }
+    function isAnyPrologueDirective(node) {
+        return isPrologueDirective(node) || !!(getEmitFlags(node) & 1048576 /* EmitFlags.CustomPrologue */);
+    }
+    /**
+     * Prepends statements to an array while taking care of prologue directives.
+     */
+    function insertStatementsAfterStandardPrologue(to, from) {
+        return insertStatementsAfterPrologue(to, from, isPrologueDirective);
+    }
+    ts.insertStatementsAfterStandardPrologue = insertStatementsAfterStandardPrologue;
+    function insertStatementsAfterCustomPrologue(to, from) {
+        return insertStatementsAfterPrologue(to, from, isAnyPrologueDirective);
+    }
+    ts.insertStatementsAfterCustomPrologue = insertStatementsAfterCustomPrologue;
+    /**
+     * Prepends statements to an array while taking care of prologue directives.
+     */
+    function insertStatementAfterStandardPrologue(to, statement) {
+        return insertStatementAfterPrologue(to, statement, isPrologueDirective);
+    }
+    ts.insertStatementAfterStandardPrologue = insertStatementAfterStandardPrologue;
+    function insertStatementAfterCustomPrologue(to, statement) {
+        return insertStatementAfterPrologue(to, statement, isAnyPrologueDirective);
+    }
+    ts.insertStatementAfterCustomPrologue = insertStatementAfterCustomPrologue;
+    /**
+     * Determine if the given comment is a triple-slash
+     *
+     * @return true if the comment is a triple-slash comment else false
+     */
+    function isRecognizedTripleSlashComment(text, commentPos, commentEnd) {
+        // Verify this is /// comment, but do the regexp match only when we first can find /// in the comment text
+        // so that we don't end up computing comment string and doing match for all // comments
+        if (text.charCodeAt(commentPos + 1) === 47 /* CharacterCodes.slash */ &&
+            commentPos + 2 < commentEnd &&
+            text.charCodeAt(commentPos + 2) === 47 /* CharacterCodes.slash */) {
+            var textSubStr = text.substring(commentPos, commentEnd);
+            return ts.fullTripleSlashReferencePathRegEx.test(textSubStr) ||
+                ts.fullTripleSlashAMDReferencePathRegEx.test(textSubStr) ||
+                fullTripleSlashReferenceTypeReferenceDirectiveRegEx.test(textSubStr) ||
+                defaultLibReferenceRegEx.test(textSubStr) ?
+                true : false;
+        }
+        return false;
+    }
+    ts.isRecognizedTripleSlashComment = isRecognizedTripleSlashComment;
+    function isPinnedComment(text, start) {
+        return text.charCodeAt(start + 1) === 42 /* CharacterCodes.asterisk */ &&
+            text.charCodeAt(start + 2) === 33 /* CharacterCodes.exclamation */;
+    }
+    ts.isPinnedComment = isPinnedComment;
+    function createCommentDirectivesMap(sourceFile, commentDirectives) {
+        var directivesByLine = new ts.Map(commentDirectives.map(function (commentDirective) { return ([
+            "".concat(ts.getLineAndCharacterOfPosition(sourceFile, commentDirective.range.end).line),
+            commentDirective,
+        ]); }));
+        var usedLines = new ts.Map();
+        return { getUnusedExpectations: getUnusedExpectations, markUsed: markUsed };
+        function getUnusedExpectations() {
+            return ts.arrayFrom(directivesByLine.entries())
+                .filter(function (_a) {
+                var line = _a[0], directive = _a[1];
+                return directive.type === 0 /* CommentDirectiveType.ExpectError */ && !usedLines.get(line);
+            })
+                .map(function (_a) {
+                var _ = _a[0], directive = _a[1];
+                return directive;
+            });
+        }
+        function markUsed(line) {
+            if (!directivesByLine.has("".concat(line))) {
+                return false;
+            }
+            usedLines.set("".concat(line), true);
+            return true;
+        }
+    }
+    ts.createCommentDirectivesMap = createCommentDirectivesMap;
+    function getTokenPosOfNode(node, sourceFile, includeJsDoc) {
+        // With nodes that have no width (i.e. 'Missing' nodes), we actually *don't*
+        // want to skip trivia because this will launch us forward to the next token.
+        if (nodeIsMissing(node)) {
+            return node.pos;
+        }
+        if (ts.isJSDocNode(node) || node.kind === 11 /* SyntaxKind.JsxText */) {
+            // JsxText cannot actually contain comments, even though the scanner will think it sees comments
+            return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, /*stopAfterLineBreak*/ false, /*stopAtComments*/ true);
+        }
+        if (includeJsDoc && ts.hasJSDocNodes(node)) {
+            return getTokenPosOfNode(node.jsDoc[0], sourceFile);
+        }
+        // For a syntax list, it is possible that one of its children has JSDocComment nodes, while
+        // the syntax list itself considers them as normal trivia. Therefore if we simply skip
+        // trivia for the list, we may have skipped the JSDocComment as well. So we should process its
+        // first child to determine the actual position of its first token.
+        if (node.kind === 348 /* SyntaxKind.SyntaxList */ && node._children.length > 0) {
+            return getTokenPosOfNode(node._children[0], sourceFile, includeJsDoc);
+        }
+        return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, 
+        /*stopAfterLineBreak*/ false, 
+        /*stopAtComments*/ false, isInJSDoc(node));
+    }
+    ts.getTokenPosOfNode = getTokenPosOfNode;
+    function getNonDecoratorTokenPosOfNode(node, sourceFile) {
+        if (nodeIsMissing(node) || !node.decorators) {
+            return getTokenPosOfNode(node, sourceFile);
+        }
+        return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end);
+    }
+    ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode;
+    function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) {
+        if (includeTrivia === void 0) { includeTrivia = false; }
+        return getTextOfNodeFromSourceText(sourceFile.text, node, includeTrivia);
+    }
+    ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile;
+    function isJSDocTypeExpressionOrChild(node) {
+        return !!ts.findAncestor(node, ts.isJSDocTypeExpression);
+    }
+    function isExportNamespaceAsDefaultDeclaration(node) {
+        return !!(ts.isExportDeclaration(node) && node.exportClause && ts.isNamespaceExport(node.exportClause) && node.exportClause.name.escapedText === "default");
+    }
+    ts.isExportNamespaceAsDefaultDeclaration = isExportNamespaceAsDefaultDeclaration;
+    function getTextOfNodeFromSourceText(sourceText, node, includeTrivia) {
+        if (includeTrivia === void 0) { includeTrivia = false; }
+        if (nodeIsMissing(node)) {
+            return "";
+        }
+        var text = sourceText.substring(includeTrivia ? node.pos : ts.skipTrivia(sourceText, node.pos), node.end);
+        if (isJSDocTypeExpressionOrChild(node)) {
+            // strip space + asterisk at line start
+            text = text.split(/\r\n|\n|\r/).map(function (line) { return ts.trimStringStart(line.replace(/^\s*\*/, "")); }).join("\n");
+        }
+        return text;
+    }
+    ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText;
+    function getTextOfNode(node, includeTrivia) {
+        if (includeTrivia === void 0) { includeTrivia = false; }
+        return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia);
+    }
+    ts.getTextOfNode = getTextOfNode;
+    function getPos(range) {
+        return range.pos;
+    }
+    /**
+     * Note: it is expected that the `nodeArray` and the `node` are within the same file.
+     * For example, searching for a `SourceFile` in a `SourceFile[]` wouldn't work.
+     */
+    function indexOfNode(nodeArray, node) {
+        return ts.binarySearch(nodeArray, node, getPos, ts.compareValues);
+    }
+    ts.indexOfNode = indexOfNode;
+    /**
+     * Gets flags that control emit behavior of a node.
+     */
+    function getEmitFlags(node) {
+        var emitNode = node.emitNode;
+        return emitNode && emitNode.flags || 0;
+    }
+    ts.getEmitFlags = getEmitFlags;
+    ;
+    function getScriptTargetFeatures() {
+        return {
+            es2015: {
+                Array: ["find", "findIndex", "fill", "copyWithin", "entries", "keys", "values"],
+                RegExp: ["flags", "sticky", "unicode"],
+                Reflect: ["apply", "construct", "defineProperty", "deleteProperty", "get", " getOwnPropertyDescriptor", "getPrototypeOf", "has", "isExtensible", "ownKeys", "preventExtensions", "set", "setPrototypeOf"],
+                ArrayConstructor: ["from", "of"],
+                ObjectConstructor: ["assign", "getOwnPropertySymbols", "keys", "is", "setPrototypeOf"],
+                NumberConstructor: ["isFinite", "isInteger", "isNaN", "isSafeInteger", "parseFloat", "parseInt"],
+                Math: ["clz32", "imul", "sign", "log10", "log2", "log1p", "expm1", "cosh", "sinh", "tanh", "acosh", "asinh", "atanh", "hypot", "trunc", "fround", "cbrt"],
+                Map: ["entries", "keys", "values"],
+                Set: ["entries", "keys", "values"],
+                Promise: ts.emptyArray,
+                PromiseConstructor: ["all", "race", "reject", "resolve"],
+                Symbol: ["for", "keyFor"],
+                WeakMap: ["entries", "keys", "values"],
+                WeakSet: ["entries", "keys", "values"],
+                Iterator: ts.emptyArray,
+                AsyncIterator: ts.emptyArray,
+                String: ["codePointAt", "includes", "endsWith", "normalize", "repeat", "startsWith", "anchor", "big", "blink", "bold", "fixed", "fontcolor", "fontsize", "italics", "link", "small", "strike", "sub", "sup"],
+                StringConstructor: ["fromCodePoint", "raw"]
+            },
+            es2016: {
+                Array: ["includes"]
+            },
+            es2017: {
+                Atomics: ts.emptyArray,
+                SharedArrayBuffer: ts.emptyArray,
+                String: ["padStart", "padEnd"],
+                ObjectConstructor: ["values", "entries", "getOwnPropertyDescriptors"],
+                DateTimeFormat: ["formatToParts"]
+            },
+            es2018: {
+                Promise: ["finally"],
+                RegExpMatchArray: ["groups"],
+                RegExpExecArray: ["groups"],
+                RegExp: ["dotAll"],
+                Intl: ["PluralRules"],
+                AsyncIterable: ts.emptyArray,
+                AsyncIterableIterator: ts.emptyArray,
+                AsyncGenerator: ts.emptyArray,
+                AsyncGeneratorFunction: ts.emptyArray,
+                NumberFormat: ["formatToParts"]
+            },
+            es2019: {
+                Array: ["flat", "flatMap"],
+                ObjectConstructor: ["fromEntries"],
+                String: ["trimStart", "trimEnd", "trimLeft", "trimRight"],
+                Symbol: ["description"]
+            },
+            es2020: {
+                BigInt: ts.emptyArray,
+                BigInt64Array: ts.emptyArray,
+                BigUint64Array: ts.emptyArray,
+                PromiseConstructor: ["allSettled"],
+                SymbolConstructor: ["matchAll"],
+                String: ["matchAll"],
+                DataView: ["setBigInt64", "setBigUint64", "getBigInt64", "getBigUint64"],
+                RelativeTimeFormat: ["format", "formatToParts", "resolvedOptions"]
+            },
+            es2021: {
+                PromiseConstructor: ["any"],
+                String: ["replaceAll"]
+            },
+            es2022: {
+                Array: ["at"],
+                String: ["at"],
+                Int8Array: ["at"],
+                Uint8Array: ["at"],
+                Uint8ClampedArray: ["at"],
+                Int16Array: ["at"],
+                Uint16Array: ["at"],
+                Int32Array: ["at"],
+                Uint32Array: ["at"],
+                Float32Array: ["at"],
+                Float64Array: ["at"],
+                BigInt64Array: ["at"],
+                BigUint64Array: ["at"],
+                ObjectConstructor: ["hasOwn"],
+                Error: ["cause"]
+            }
+        };
+    }
+    ts.getScriptTargetFeatures = getScriptTargetFeatures;
+    var GetLiteralTextFlags;
+    (function (GetLiteralTextFlags) {
+        GetLiteralTextFlags[GetLiteralTextFlags["None"] = 0] = "None";
+        GetLiteralTextFlags[GetLiteralTextFlags["NeverAsciiEscape"] = 1] = "NeverAsciiEscape";
+        GetLiteralTextFlags[GetLiteralTextFlags["JsxAttributeEscape"] = 2] = "JsxAttributeEscape";
+        GetLiteralTextFlags[GetLiteralTextFlags["TerminateUnterminatedLiterals"] = 4] = "TerminateUnterminatedLiterals";
+        GetLiteralTextFlags[GetLiteralTextFlags["AllowNumericSeparator"] = 8] = "AllowNumericSeparator";
+    })(GetLiteralTextFlags = ts.GetLiteralTextFlags || (ts.GetLiteralTextFlags = {}));
+    function getLiteralText(node, sourceFile, flags) {
+        var _a;
+        // If we don't need to downlevel and we can reach the original source text using
+        // the node's parent reference, then simply get the text as it was originally written.
+        if (sourceFile && canUseOriginalText(node, flags)) {
+            return getSourceTextOfNodeFromSourceFile(sourceFile, node);
+        }
+        // If we can't reach the original source text, use the canonical form if it's a number,
+        // or a (possibly escaped) quoted form of the original text if it's string-like.
+        switch (node.kind) {
+            case 10 /* SyntaxKind.StringLiteral */: {
+                var escapeText = flags & 2 /* GetLiteralTextFlags.JsxAttributeEscape */ ? escapeJsxAttributeString :
+                    flags & 1 /* GetLiteralTextFlags.NeverAsciiEscape */ || (getEmitFlags(node) & 16777216 /* EmitFlags.NoAsciiEscaping */) ? escapeString :
+                        escapeNonAsciiString;
+                if (node.singleQuote) {
+                    return "'" + escapeText(node.text, 39 /* CharacterCodes.singleQuote */) + "'";
+                }
+                else {
+                    return '"' + escapeText(node.text, 34 /* CharacterCodes.doubleQuote */) + '"';
+                }
+            }
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 15 /* SyntaxKind.TemplateHead */:
+            case 16 /* SyntaxKind.TemplateMiddle */:
+            case 17 /* SyntaxKind.TemplateTail */: {
+                // If a NoSubstitutionTemplateLiteral appears to have a substitution in it, the original text
+                // had to include a backslash: `not \${a} substitution`.
+                var escapeText = flags & 1 /* GetLiteralTextFlags.NeverAsciiEscape */ || (getEmitFlags(node) & 16777216 /* EmitFlags.NoAsciiEscaping */) ? escapeString :
+                    escapeNonAsciiString;
+                var rawText = (_a = node.rawText) !== null && _a !== void 0 ? _a : escapeTemplateSubstitution(escapeText(node.text, 96 /* CharacterCodes.backtick */));
+                switch (node.kind) {
+                    case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+                        return "`" + rawText + "`";
+                    case 15 /* SyntaxKind.TemplateHead */:
+                        return "`" + rawText + "${";
+                    case 16 /* SyntaxKind.TemplateMiddle */:
+                        return "}" + rawText + "${";
+                    case 17 /* SyntaxKind.TemplateTail */:
+                        return "}" + rawText + "`";
+                }
+                break;
+            }
+            case 8 /* SyntaxKind.NumericLiteral */:
+            case 9 /* SyntaxKind.BigIntLiteral */:
+                return node.text;
+            case 13 /* SyntaxKind.RegularExpressionLiteral */:
+                if (flags & 4 /* GetLiteralTextFlags.TerminateUnterminatedLiterals */ && node.isUnterminated) {
+                    return node.text + (node.text.charCodeAt(node.text.length - 1) === 92 /* CharacterCodes.backslash */ ? " /" : "/");
+                }
+                return node.text;
+        }
+        return ts.Debug.fail("Literal kind '".concat(node.kind, "' not accounted for."));
+    }
+    ts.getLiteralText = getLiteralText;
+    function canUseOriginalText(node, flags) {
+        if (nodeIsSynthesized(node) || !node.parent || (flags & 4 /* GetLiteralTextFlags.TerminateUnterminatedLiterals */ && node.isUnterminated)) {
+            return false;
+        }
+        if (ts.isNumericLiteral(node) && node.numericLiteralFlags & 512 /* TokenFlags.ContainsSeparator */) {
+            return !!(flags & 8 /* GetLiteralTextFlags.AllowNumericSeparator */);
+        }
+        return !ts.isBigIntLiteral(node);
+    }
+    function getTextOfConstantValue(value) {
+        return ts.isString(value) ? '"' + escapeNonAsciiString(value) + '"' : "" + value;
+    }
+    ts.getTextOfConstantValue = getTextOfConstantValue;
+    // Make an identifier from an external module name by extracting the string after the last "/" and replacing
+    // all non-alphanumeric characters with underscores
+    function makeIdentifierFromModuleName(moduleName) {
+        return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_");
+    }
+    ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName;
+    function isBlockOrCatchScoped(declaration) {
+        return (ts.getCombinedNodeFlags(declaration) & 3 /* NodeFlags.BlockScoped */) !== 0 ||
+            isCatchClauseVariableDeclarationOrBindingElement(declaration);
+    }
+    ts.isBlockOrCatchScoped = isBlockOrCatchScoped;
+    function isCatchClauseVariableDeclarationOrBindingElement(declaration) {
+        var node = getRootDeclaration(declaration);
+        return node.kind === 254 /* SyntaxKind.VariableDeclaration */ && node.parent.kind === 292 /* SyntaxKind.CatchClause */;
+    }
+    ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement;
+    function isAmbientModule(node) {
+        return ts.isModuleDeclaration(node) && (node.name.kind === 10 /* SyntaxKind.StringLiteral */ || isGlobalScopeAugmentation(node));
+    }
+    ts.isAmbientModule = isAmbientModule;
+    function isModuleWithStringLiteralName(node) {
+        return ts.isModuleDeclaration(node) && node.name.kind === 10 /* SyntaxKind.StringLiteral */;
+    }
+    ts.isModuleWithStringLiteralName = isModuleWithStringLiteralName;
+    function isNonGlobalAmbientModule(node) {
+        return ts.isModuleDeclaration(node) && ts.isStringLiteral(node.name);
+    }
+    ts.isNonGlobalAmbientModule = isNonGlobalAmbientModule;
+    /**
+     * An effective module (namespace) declaration is either
+     * 1. An actual declaration: namespace X { ... }
+     * 2. A Javascript declaration, which is:
+     *    An identifier in a nested property access expression: Y in `X.Y.Z = { ... }`
+     */
+    function isEffectiveModuleDeclaration(node) {
+        return ts.isModuleDeclaration(node) || ts.isIdentifier(node);
+    }
+    ts.isEffectiveModuleDeclaration = isEffectiveModuleDeclaration;
+    /** Given a symbol for a module, checks that it is a shorthand ambient module. */
+    function isShorthandAmbientModuleSymbol(moduleSymbol) {
+        return isShorthandAmbientModule(moduleSymbol.valueDeclaration);
+    }
+    ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol;
+    function isShorthandAmbientModule(node) {
+        // The only kind of module that can be missing a body is a shorthand ambient module.
+        return !!node && node.kind === 261 /* SyntaxKind.ModuleDeclaration */ && (!node.body);
+    }
+    function isBlockScopedContainerTopLevel(node) {
+        return node.kind === 305 /* SyntaxKind.SourceFile */ ||
+            node.kind === 261 /* SyntaxKind.ModuleDeclaration */ ||
+            ts.isFunctionLikeOrClassStaticBlockDeclaration(node);
+    }
+    ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel;
+    function isGlobalScopeAugmentation(module) {
+        return !!(module.flags & 1024 /* NodeFlags.GlobalAugmentation */);
+    }
+    ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation;
+    function isExternalModuleAugmentation(node) {
+        return isAmbientModule(node) && isModuleAugmentationExternal(node);
+    }
+    ts.isExternalModuleAugmentation = isExternalModuleAugmentation;
+    function isModuleAugmentationExternal(node) {
+        // external module augmentation is a ambient module declaration that is either:
+        // - defined in the top level scope and source file is an external module
+        // - defined inside ambient module declaration located in the top level scope and source file not an external module
+        switch (node.parent.kind) {
+            case 305 /* SyntaxKind.SourceFile */:
+                return ts.isExternalModule(node.parent);
+            case 262 /* SyntaxKind.ModuleBlock */:
+                return isAmbientModule(node.parent.parent) && ts.isSourceFile(node.parent.parent.parent) && !ts.isExternalModule(node.parent.parent.parent);
+        }
+        return false;
+    }
+    ts.isModuleAugmentationExternal = isModuleAugmentationExternal;
+    function getNonAugmentationDeclaration(symbol) {
+        var _a;
+        return (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return !isExternalModuleAugmentation(d) && !(ts.isModuleDeclaration(d) && isGlobalScopeAugmentation(d)); });
+    }
+    ts.getNonAugmentationDeclaration = getNonAugmentationDeclaration;
+    function isCommonJSContainingModuleKind(kind) {
+        return kind === ts.ModuleKind.CommonJS || kind === ts.ModuleKind.Node16 || kind === ts.ModuleKind.NodeNext;
+    }
+    function isEffectiveExternalModule(node, compilerOptions) {
+        return ts.isExternalModule(node) || compilerOptions.isolatedModules || (isCommonJSContainingModuleKind(getEmitModuleKind(compilerOptions)) && !!node.commonJsModuleIndicator);
+    }
+    ts.isEffectiveExternalModule = isEffectiveExternalModule;
+    /**
+     * Returns whether the source file will be treated as if it were in strict mode at runtime.
+     */
+    function isEffectiveStrictModeSourceFile(node, compilerOptions) {
+        // We can only verify strict mode for JS/TS files
+        switch (node.scriptKind) {
+            case 1 /* ScriptKind.JS */:
+            case 3 /* ScriptKind.TS */:
+            case 2 /* ScriptKind.JSX */:
+            case 4 /* ScriptKind.TSX */:
+                break;
+            default:
+                return false;
+        }
+        // Strict mode does not matter for declaration files.
+        if (node.isDeclarationFile) {
+            return false;
+        }
+        // If `alwaysStrict` is set, then treat the file as strict.
+        if (getStrictOptionValue(compilerOptions, "alwaysStrict")) {
+            return true;
+        }
+        // Starting with a "use strict" directive indicates the file is strict.
+        if (ts.startsWithUseStrict(node.statements)) {
+            return true;
+        }
+        if (ts.isExternalModule(node) || compilerOptions.isolatedModules) {
+            // ECMAScript Modules are always strict.
+            if (getEmitModuleKind(compilerOptions) >= ts.ModuleKind.ES2015) {
+                return true;
+            }
+            // Other modules are strict unless otherwise specified.
+            return !compilerOptions.noImplicitUseStrict;
+        }
+        return false;
+    }
+    ts.isEffectiveStrictModeSourceFile = isEffectiveStrictModeSourceFile;
+    function isBlockScope(node, parentNode) {
+        switch (node.kind) {
+            case 305 /* SyntaxKind.SourceFile */:
+            case 263 /* SyntaxKind.CaseBlock */:
+            case 292 /* SyntaxKind.CatchClause */:
+            case 261 /* SyntaxKind.ModuleDeclaration */:
+            case 242 /* SyntaxKind.ForStatement */:
+            case 243 /* SyntaxKind.ForInStatement */:
+            case 244 /* SyntaxKind.ForOfStatement */:
+            case 171 /* SyntaxKind.Constructor */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+            case 170 /* SyntaxKind.ClassStaticBlockDeclaration */:
+                return true;
+            case 235 /* SyntaxKind.Block */:
+                // function block is not considered block-scope container
+                // see comment in binder.ts: bind(...), case for SyntaxKind.Block
+                return !ts.isFunctionLikeOrClassStaticBlockDeclaration(parentNode);
+        }
+        return false;
+    }
+    ts.isBlockScope = isBlockScope;
+    function isDeclarationWithTypeParameters(node) {
+        switch (node.kind) {
+            case 338 /* SyntaxKind.JSDocCallbackTag */:
+            case 345 /* SyntaxKind.JSDocTypedefTag */:
+            case 323 /* SyntaxKind.JSDocSignature */:
+                return true;
+            default:
+                ts.assertType(node);
+                return isDeclarationWithTypeParameterChildren(node);
+        }
+    }
+    ts.isDeclarationWithTypeParameters = isDeclarationWithTypeParameters;
+    function isDeclarationWithTypeParameterChildren(node) {
+        switch (node.kind) {
+            case 174 /* SyntaxKind.CallSignature */:
+            case 175 /* SyntaxKind.ConstructSignature */:
+            case 168 /* SyntaxKind.MethodSignature */:
+            case 176 /* SyntaxKind.IndexSignature */:
+            case 179 /* SyntaxKind.FunctionType */:
+            case 180 /* SyntaxKind.ConstructorType */:
+            case 317 /* SyntaxKind.JSDocFunctionType */:
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 226 /* SyntaxKind.ClassExpression */:
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+            case 259 /* SyntaxKind.TypeAliasDeclaration */:
+            case 344 /* SyntaxKind.JSDocTemplateTag */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 171 /* SyntaxKind.Constructor */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+                return true;
+            default:
+                ts.assertType(node);
+                return false;
+        }
+    }
+    ts.isDeclarationWithTypeParameterChildren = isDeclarationWithTypeParameterChildren;
+    function isAnyImportSyntax(node) {
+        switch (node.kind) {
+            case 266 /* SyntaxKind.ImportDeclaration */:
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isAnyImportSyntax = isAnyImportSyntax;
+    function isAnyImportOrBareOrAccessedRequire(node) {
+        return isAnyImportSyntax(node) || isVariableDeclarationInitializedToBareOrAccessedRequire(node);
+    }
+    ts.isAnyImportOrBareOrAccessedRequire = isAnyImportOrBareOrAccessedRequire;
+    function isLateVisibilityPaintedStatement(node) {
+        switch (node.kind) {
+            case 266 /* SyntaxKind.ImportDeclaration */:
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+            case 237 /* SyntaxKind.VariableStatement */:
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 261 /* SyntaxKind.ModuleDeclaration */:
+            case 259 /* SyntaxKind.TypeAliasDeclaration */:
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+            case 260 /* SyntaxKind.EnumDeclaration */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isLateVisibilityPaintedStatement = isLateVisibilityPaintedStatement;
+    function hasPossibleExternalModuleReference(node) {
+        return isAnyImportOrReExport(node) || ts.isModuleDeclaration(node) || ts.isImportTypeNode(node) || isImportCall(node);
+    }
+    ts.hasPossibleExternalModuleReference = hasPossibleExternalModuleReference;
+    function isAnyImportOrReExport(node) {
+        return isAnyImportSyntax(node) || ts.isExportDeclaration(node);
+    }
+    ts.isAnyImportOrReExport = isAnyImportOrReExport;
+    // Gets the nearest enclosing block scope container that has the provided node
+    // as a descendant, that is not the provided node.
+    function getEnclosingBlockScopeContainer(node) {
+        return ts.findAncestor(node.parent, function (current) { return isBlockScope(current, current.parent); });
+    }
+    ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer;
+    function forEachEnclosingBlockScopeContainer(node, cb) {
+        var container = getEnclosingBlockScopeContainer(node);
+        while (container) {
+            cb(container);
+            container = getEnclosingBlockScopeContainer(container);
+        }
+    }
+    ts.forEachEnclosingBlockScopeContainer = forEachEnclosingBlockScopeContainer;
+    // Return display name of an identifier
+    // Computed property names will just be emitted as "[]", where  is the source
+    // text of the expression in the computed property.
+    function declarationNameToString(name) {
+        return !name || getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name);
+    }
+    ts.declarationNameToString = declarationNameToString;
+    function getNameFromIndexInfo(info) {
+        return info.declaration ? declarationNameToString(info.declaration.parameters[0].name) : undefined;
+    }
+    ts.getNameFromIndexInfo = getNameFromIndexInfo;
+    function isComputedNonLiteralName(name) {
+        return name.kind === 162 /* SyntaxKind.ComputedPropertyName */ && !isStringOrNumericLiteralLike(name.expression);
+    }
+    ts.isComputedNonLiteralName = isComputedNonLiteralName;
+    function tryGetTextOfPropertyName(name) {
+        switch (name.kind) {
+            case 79 /* SyntaxKind.Identifier */:
+            case 80 /* SyntaxKind.PrivateIdentifier */:
+                return name.escapedText;
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 8 /* SyntaxKind.NumericLiteral */:
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+                return ts.escapeLeadingUnderscores(name.text);
+            case 162 /* SyntaxKind.ComputedPropertyName */:
+                if (isStringOrNumericLiteralLike(name.expression))
+                    return ts.escapeLeadingUnderscores(name.expression.text);
+                return undefined;
+            default:
+                return ts.Debug.assertNever(name);
+        }
+    }
+    ts.tryGetTextOfPropertyName = tryGetTextOfPropertyName;
+    function getTextOfPropertyName(name) {
+        return ts.Debug.checkDefined(tryGetTextOfPropertyName(name));
+    }
+    ts.getTextOfPropertyName = getTextOfPropertyName;
+    function entityNameToString(name) {
+        switch (name.kind) {
+            case 108 /* SyntaxKind.ThisKeyword */:
+                return "this";
+            case 80 /* SyntaxKind.PrivateIdentifier */:
+            case 79 /* SyntaxKind.Identifier */:
+                return getFullWidth(name) === 0 ? ts.idText(name) : getTextOfNode(name);
+            case 161 /* SyntaxKind.QualifiedName */:
+                return entityNameToString(name.left) + "." + entityNameToString(name.right);
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+                if (ts.isIdentifier(name.name) || ts.isPrivateIdentifier(name.name)) {
+                    return entityNameToString(name.expression) + "." + entityNameToString(name.name);
+                }
+                else {
+                    return ts.Debug.assertNever(name.name);
+                }
+            case 311 /* SyntaxKind.JSDocMemberName */:
+                return entityNameToString(name.left) + entityNameToString(name.right);
+            default:
+                return ts.Debug.assertNever(name);
+        }
+    }
+    ts.entityNameToString = entityNameToString;
+    function createDiagnosticForNode(node, message, arg0, arg1, arg2, arg3) {
+        var sourceFile = getSourceFileOfNode(node);
+        return createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2, arg3);
+    }
+    ts.createDiagnosticForNode = createDiagnosticForNode;
+    function createDiagnosticForNodeArray(sourceFile, nodes, message, arg0, arg1, arg2, arg3) {
+        var start = ts.skipTrivia(sourceFile.text, nodes.pos);
+        return createFileDiagnostic(sourceFile, start, nodes.end - start, message, arg0, arg1, arg2, arg3);
+    }
+    ts.createDiagnosticForNodeArray = createDiagnosticForNodeArray;
+    function createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2, arg3) {
+        var span = getErrorSpanForNode(sourceFile, node);
+        return createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2, arg3);
+    }
+    ts.createDiagnosticForNodeInSourceFile = createDiagnosticForNodeInSourceFile;
+    function createDiagnosticForNodeFromMessageChain(node, messageChain, relatedInformation) {
+        var sourceFile = getSourceFileOfNode(node);
+        var span = getErrorSpanForNode(sourceFile, node);
+        return createFileDiagnosticFromMessageChain(sourceFile, span.start, span.length, messageChain, relatedInformation);
+    }
+    ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain;
+    function assertDiagnosticLocation(file, start, length) {
+        ts.Debug.assertGreaterThanOrEqual(start, 0);
+        ts.Debug.assertGreaterThanOrEqual(length, 0);
+        if (file) {
+            ts.Debug.assertLessThanOrEqual(start, file.text.length);
+            ts.Debug.assertLessThanOrEqual(start + length, file.text.length);
+        }
+    }
+    function createFileDiagnosticFromMessageChain(file, start, length, messageChain, relatedInformation) {
+        assertDiagnosticLocation(file, start, length);
+        return {
+            file: file,
+            start: start,
+            length: length,
+            code: messageChain.code,
+            category: messageChain.category,
+            messageText: messageChain.next ? messageChain : messageChain.messageText,
+            relatedInformation: relatedInformation
+        };
+    }
+    ts.createFileDiagnosticFromMessageChain = createFileDiagnosticFromMessageChain;
+    function createDiagnosticForFileFromMessageChain(sourceFile, messageChain, relatedInformation) {
+        return {
+            file: sourceFile,
+            start: 0,
+            length: 0,
+            code: messageChain.code,
+            category: messageChain.category,
+            messageText: messageChain.next ? messageChain : messageChain.messageText,
+            relatedInformation: relatedInformation
+        };
+    }
+    ts.createDiagnosticForFileFromMessageChain = createDiagnosticForFileFromMessageChain;
+    function createDiagnosticMessageChainFromDiagnostic(diagnostic) {
+        return typeof diagnostic.messageText === "string" ? {
+            code: diagnostic.code,
+            category: diagnostic.category,
+            messageText: diagnostic.messageText,
+            next: diagnostic.next,
+        } : diagnostic.messageText;
+    }
+    ts.createDiagnosticMessageChainFromDiagnostic = createDiagnosticMessageChainFromDiagnostic;
+    function createDiagnosticForRange(sourceFile, range, message) {
+        return {
+            file: sourceFile,
+            start: range.pos,
+            length: range.end - range.pos,
+            code: message.code,
+            category: message.category,
+            messageText: message.message,
+        };
+    }
+    ts.createDiagnosticForRange = createDiagnosticForRange;
+    function getSpanOfTokenAtPosition(sourceFile, pos) {
+        var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ true, sourceFile.languageVariant, sourceFile.text, /*onError:*/ undefined, pos);
+        scanner.scan();
+        var start = scanner.getTokenPos();
+        return ts.createTextSpanFromBounds(start, scanner.getTextPos());
+    }
+    ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition;
+    function getErrorSpanForArrowFunction(sourceFile, node) {
+        var pos = ts.skipTrivia(sourceFile.text, node.pos);
+        if (node.body && node.body.kind === 235 /* SyntaxKind.Block */) {
+            var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line;
+            var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line;
+            if (startLine < endLine) {
+                // The arrow function spans multiple lines,
+                // make the error span be the first line, inclusive.
+                return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1);
+            }
+        }
+        return ts.createTextSpanFromBounds(pos, node.end);
+    }
+    function getErrorSpanForNode(sourceFile, node) {
+        var errorNode = node;
+        switch (node.kind) {
+            case 305 /* SyntaxKind.SourceFile */:
+                var pos_1 = ts.skipTrivia(sourceFile.text, 0, /*stopAfterLineBreak*/ false);
+                if (pos_1 === sourceFile.text.length) {
+                    // file is empty - return span for the beginning of the file
+                    return ts.createTextSpan(0, 0);
+                }
+                return getSpanOfTokenAtPosition(sourceFile, pos_1);
+            // This list is a work in progress. Add missing node kinds to improve their error
+            // spans.
+            case 254 /* SyntaxKind.VariableDeclaration */:
+            case 203 /* SyntaxKind.BindingElement */:
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 226 /* SyntaxKind.ClassExpression */:
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+            case 261 /* SyntaxKind.ModuleDeclaration */:
+            case 260 /* SyntaxKind.EnumDeclaration */:
+            case 299 /* SyntaxKind.EnumMember */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 259 /* SyntaxKind.TypeAliasDeclaration */:
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+            case 166 /* SyntaxKind.PropertySignature */:
+            case 268 /* SyntaxKind.NamespaceImport */:
+                errorNode = node.name;
+                break;
+            case 214 /* SyntaxKind.ArrowFunction */:
+                return getErrorSpanForArrowFunction(sourceFile, node);
+            case 289 /* SyntaxKind.CaseClause */:
+            case 290 /* SyntaxKind.DefaultClause */:
+                var start = ts.skipTrivia(sourceFile.text, node.pos);
+                var end = node.statements.length > 0 ? node.statements[0].pos : node.end;
+                return ts.createTextSpanFromBounds(start, end);
+        }
+        if (errorNode === undefined) {
+            // If we don't have a better node, then just set the error on the first token of
+            // construct.
+            return getSpanOfTokenAtPosition(sourceFile, node.pos);
+        }
+        ts.Debug.assert(!ts.isJSDoc(errorNode));
+        var isMissing = nodeIsMissing(errorNode);
+        var pos = isMissing || ts.isJsxText(node)
+            ? errorNode.pos
+            : ts.skipTrivia(sourceFile.text, errorNode.pos);
+        // These asserts should all be satisfied for a properly constructed `errorNode`.
+        if (isMissing) {
+            ts.Debug.assert(pos === errorNode.pos, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
+            ts.Debug.assert(pos === errorNode.end, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
+        }
+        else {
+            ts.Debug.assert(pos >= errorNode.pos, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
+            ts.Debug.assert(pos <= errorNode.end, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
+        }
+        return ts.createTextSpanFromBounds(pos, errorNode.end);
+    }
+    ts.getErrorSpanForNode = getErrorSpanForNode;
+    function isExternalOrCommonJsModule(file) {
+        return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined;
+    }
+    ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule;
+    function isJsonSourceFile(file) {
+        return file.scriptKind === 6 /* ScriptKind.JSON */;
+    }
+    ts.isJsonSourceFile = isJsonSourceFile;
+    function isEnumConst(node) {
+        return !!(ts.getCombinedModifierFlags(node) & 2048 /* ModifierFlags.Const */);
+    }
+    ts.isEnumConst = isEnumConst;
+    function isDeclarationReadonly(declaration) {
+        return !!(ts.getCombinedModifierFlags(declaration) & 64 /* ModifierFlags.Readonly */ && !ts.isParameterPropertyDeclaration(declaration, declaration.parent));
+    }
+    ts.isDeclarationReadonly = isDeclarationReadonly;
+    function isVarConst(node) {
+        return !!(ts.getCombinedNodeFlags(node) & 2 /* NodeFlags.Const */);
+    }
+    ts.isVarConst = isVarConst;
+    function isLet(node) {
+        return !!(ts.getCombinedNodeFlags(node) & 1 /* NodeFlags.Let */);
+    }
+    ts.isLet = isLet;
+    function isSuperCall(n) {
+        return n.kind === 208 /* SyntaxKind.CallExpression */ && n.expression.kind === 106 /* SyntaxKind.SuperKeyword */;
+    }
+    ts.isSuperCall = isSuperCall;
+    function isImportCall(n) {
+        return n.kind === 208 /* SyntaxKind.CallExpression */ && n.expression.kind === 100 /* SyntaxKind.ImportKeyword */;
+    }
+    ts.isImportCall = isImportCall;
+    function isImportMeta(n) {
+        return ts.isMetaProperty(n)
+            && n.keywordToken === 100 /* SyntaxKind.ImportKeyword */
+            && n.name.escapedText === "meta";
+    }
+    ts.isImportMeta = isImportMeta;
+    function isLiteralImportTypeNode(n) {
+        return ts.isImportTypeNode(n) && ts.isLiteralTypeNode(n.argument) && ts.isStringLiteral(n.argument.literal);
+    }
+    ts.isLiteralImportTypeNode = isLiteralImportTypeNode;
+    function isPrologueDirective(node) {
+        return node.kind === 238 /* SyntaxKind.ExpressionStatement */
+            && node.expression.kind === 10 /* SyntaxKind.StringLiteral */;
+    }
+    ts.isPrologueDirective = isPrologueDirective;
+    function isCustomPrologue(node) {
+        return !!(getEmitFlags(node) & 1048576 /* EmitFlags.CustomPrologue */);
+    }
+    ts.isCustomPrologue = isCustomPrologue;
+    function isHoistedFunction(node) {
+        return isCustomPrologue(node)
+            && ts.isFunctionDeclaration(node);
+    }
+    ts.isHoistedFunction = isHoistedFunction;
+    function isHoistedVariable(node) {
+        return ts.isIdentifier(node.name)
+            && !node.initializer;
+    }
+    function isHoistedVariableStatement(node) {
+        return isCustomPrologue(node)
+            && ts.isVariableStatement(node)
+            && ts.every(node.declarationList.declarations, isHoistedVariable);
+    }
+    ts.isHoistedVariableStatement = isHoistedVariableStatement;
+    function getLeadingCommentRangesOfNode(node, sourceFileOfNode) {
+        return node.kind !== 11 /* SyntaxKind.JsxText */ ? ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos) : undefined;
+    }
+    ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode;
+    function getJSDocCommentRanges(node, text) {
+        var commentRanges = (node.kind === 164 /* SyntaxKind.Parameter */ ||
+            node.kind === 163 /* SyntaxKind.TypeParameter */ ||
+            node.kind === 213 /* SyntaxKind.FunctionExpression */ ||
+            node.kind === 214 /* SyntaxKind.ArrowFunction */ ||
+            node.kind === 212 /* SyntaxKind.ParenthesizedExpression */ ||
+            node.kind === 254 /* SyntaxKind.VariableDeclaration */ ||
+            node.kind === 275 /* SyntaxKind.ExportSpecifier */) ?
+            ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) :
+            ts.getLeadingCommentRanges(text, node.pos);
+        // True if the comment starts with '/**' but not if it is '/**/'
+        return ts.filter(commentRanges, function (comment) {
+            return text.charCodeAt(comment.pos + 1) === 42 /* CharacterCodes.asterisk */ &&
+                text.charCodeAt(comment.pos + 2) === 42 /* CharacterCodes.asterisk */ &&
+                text.charCodeAt(comment.pos + 3) !== 47 /* CharacterCodes.slash */;
+        });
+    }
+    ts.getJSDocCommentRanges = getJSDocCommentRanges;
+    ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/;
+    var fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*/;
+    ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/;
+    var defaultLibReferenceRegEx = /^(\/\/\/\s*/;
+    function isPartOfTypeNode(node) {
+        if (177 /* SyntaxKind.FirstTypeNode */ <= node.kind && node.kind <= 200 /* SyntaxKind.LastTypeNode */) {
+            return true;
+        }
+        switch (node.kind) {
+            case 130 /* SyntaxKind.AnyKeyword */:
+            case 155 /* SyntaxKind.UnknownKeyword */:
+            case 147 /* SyntaxKind.NumberKeyword */:
+            case 158 /* SyntaxKind.BigIntKeyword */:
+            case 150 /* SyntaxKind.StringKeyword */:
+            case 133 /* SyntaxKind.BooleanKeyword */:
+            case 151 /* SyntaxKind.SymbolKeyword */:
+            case 148 /* SyntaxKind.ObjectKeyword */:
+            case 153 /* SyntaxKind.UndefinedKeyword */:
+            case 143 /* SyntaxKind.NeverKeyword */:
+                return true;
+            case 114 /* SyntaxKind.VoidKeyword */:
+                return node.parent.kind !== 217 /* SyntaxKind.VoidExpression */;
+            case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                return ts.isHeritageClause(node.parent) && !isExpressionWithTypeArgumentsInClassExtendsClause(node);
+            case 163 /* SyntaxKind.TypeParameter */:
+                return node.parent.kind === 195 /* SyntaxKind.MappedType */ || node.parent.kind === 190 /* SyntaxKind.InferType */;
+            // Identifiers and qualified names may be type nodes, depending on their context. Climb
+            // above them to find the lowest container
+            case 79 /* SyntaxKind.Identifier */:
+                // If the identifier is the RHS of a qualified name, then it's a type iff its parent is.
+                if (node.parent.kind === 161 /* SyntaxKind.QualifiedName */ && node.parent.right === node) {
+                    node = node.parent;
+                }
+                else if (node.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && node.parent.name === node) {
+                    node = node.parent;
+                }
+                // At this point, node is either a qualified name or an identifier
+                ts.Debug.assert(node.kind === 79 /* SyntaxKind.Identifier */ || node.kind === 161 /* SyntaxKind.QualifiedName */ || node.kind === 206 /* SyntaxKind.PropertyAccessExpression */, "'node' was expected to be a qualified name, identifier or property access in 'isPartOfTypeNode'.");
+            // falls through
+            case 161 /* SyntaxKind.QualifiedName */:
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+            case 108 /* SyntaxKind.ThisKeyword */: {
+                var parent = node.parent;
+                if (parent.kind === 181 /* SyntaxKind.TypeQuery */) {
+                    return false;
+                }
+                if (parent.kind === 200 /* SyntaxKind.ImportType */) {
+                    return !parent.isTypeOf;
+                }
+                // Do not recursively call isPartOfTypeNode on the parent. In the example:
+                //
+                //     let a: A.B.C;
+                //
+                // Calling isPartOfTypeNode would consider the qualified name A.B a type node.
+                // Only C and A.B.C are type nodes.
+                if (177 /* SyntaxKind.FirstTypeNode */ <= parent.kind && parent.kind <= 200 /* SyntaxKind.LastTypeNode */) {
+                    return true;
+                }
+                switch (parent.kind) {
+                    case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                        return ts.isHeritageClause(parent.parent) && !isExpressionWithTypeArgumentsInClassExtendsClause(parent);
+                    case 163 /* SyntaxKind.TypeParameter */:
+                        return node === parent.constraint;
+                    case 344 /* SyntaxKind.JSDocTemplateTag */:
+                        return node === parent.constraint;
+                    case 167 /* SyntaxKind.PropertyDeclaration */:
+                    case 166 /* SyntaxKind.PropertySignature */:
+                    case 164 /* SyntaxKind.Parameter */:
+                    case 254 /* SyntaxKind.VariableDeclaration */:
+                        return node === parent.type;
+                    case 256 /* SyntaxKind.FunctionDeclaration */:
+                    case 213 /* SyntaxKind.FunctionExpression */:
+                    case 214 /* SyntaxKind.ArrowFunction */:
+                    case 171 /* SyntaxKind.Constructor */:
+                    case 169 /* SyntaxKind.MethodDeclaration */:
+                    case 168 /* SyntaxKind.MethodSignature */:
+                    case 172 /* SyntaxKind.GetAccessor */:
+                    case 173 /* SyntaxKind.SetAccessor */:
+                        return node === parent.type;
+                    case 174 /* SyntaxKind.CallSignature */:
+                    case 175 /* SyntaxKind.ConstructSignature */:
+                    case 176 /* SyntaxKind.IndexSignature */:
+                        return node === parent.type;
+                    case 211 /* SyntaxKind.TypeAssertionExpression */:
+                        return node === parent.type;
+                    case 208 /* SyntaxKind.CallExpression */:
+                    case 209 /* SyntaxKind.NewExpression */:
+                        return ts.contains(parent.typeArguments, node);
+                    case 210 /* SyntaxKind.TaggedTemplateExpression */:
+                        // TODO (drosen): TaggedTemplateExpressions may eventually support type arguments.
+                        return false;
+                }
+            }
+        }
+        return false;
+    }
+    ts.isPartOfTypeNode = isPartOfTypeNode;
+    function isChildOfNodeWithKind(node, kind) {
+        while (node) {
+            if (node.kind === kind) {
+                return true;
+            }
+            node = node.parent;
+        }
+        return false;
+    }
+    ts.isChildOfNodeWithKind = isChildOfNodeWithKind;
+    // Warning: This has the same semantics as the forEach family of functions,
+    //          in that traversal terminates in the event that 'visitor' supplies a truthy value.
+    function forEachReturnStatement(body, visitor) {
+        return traverse(body);
+        function traverse(node) {
+            switch (node.kind) {
+                case 247 /* SyntaxKind.ReturnStatement */:
+                    return visitor(node);
+                case 263 /* SyntaxKind.CaseBlock */:
+                case 235 /* SyntaxKind.Block */:
+                case 239 /* SyntaxKind.IfStatement */:
+                case 240 /* SyntaxKind.DoStatement */:
+                case 241 /* SyntaxKind.WhileStatement */:
+                case 242 /* SyntaxKind.ForStatement */:
+                case 243 /* SyntaxKind.ForInStatement */:
+                case 244 /* SyntaxKind.ForOfStatement */:
+                case 248 /* SyntaxKind.WithStatement */:
+                case 249 /* SyntaxKind.SwitchStatement */:
+                case 289 /* SyntaxKind.CaseClause */:
+                case 290 /* SyntaxKind.DefaultClause */:
+                case 250 /* SyntaxKind.LabeledStatement */:
+                case 252 /* SyntaxKind.TryStatement */:
+                case 292 /* SyntaxKind.CatchClause */:
+                    return ts.forEachChild(node, traverse);
+            }
+        }
+    }
+    ts.forEachReturnStatement = forEachReturnStatement;
+    function forEachYieldExpression(body, visitor) {
+        return traverse(body);
+        function traverse(node) {
+            switch (node.kind) {
+                case 224 /* SyntaxKind.YieldExpression */:
+                    visitor(node);
+                    var operand = node.expression;
+                    if (operand) {
+                        traverse(operand);
+                    }
+                    return;
+                case 260 /* SyntaxKind.EnumDeclaration */:
+                case 258 /* SyntaxKind.InterfaceDeclaration */:
+                case 261 /* SyntaxKind.ModuleDeclaration */:
+                case 259 /* SyntaxKind.TypeAliasDeclaration */:
+                    // These are not allowed inside a generator now, but eventually they may be allowed
+                    // as local types. Regardless, skip them to avoid the work.
+                    return;
+                default:
+                    if (ts.isFunctionLike(node)) {
+                        if (node.name && node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */) {
+                            // Note that we will not include methods/accessors of a class because they would require
+                            // first descending into the class. This is by design.
+                            traverse(node.name.expression);
+                            return;
+                        }
+                    }
+                    else if (!isPartOfTypeNode(node)) {
+                        // This is the general case, which should include mostly expressions and statements.
+                        // Also includes NodeArrays.
+                        ts.forEachChild(node, traverse);
+                    }
+            }
+        }
+    }
+    ts.forEachYieldExpression = forEachYieldExpression;
+    /**
+     * Gets the most likely element type for a TypeNode. This is not an exhaustive test
+     * as it assumes a rest argument can only be an array type (either T[], or Array).
+     *
+     * @param node The type node.
+     */
+    function getRestParameterElementType(node) {
+        if (node && node.kind === 183 /* SyntaxKind.ArrayType */) {
+            return node.elementType;
+        }
+        else if (node && node.kind === 178 /* SyntaxKind.TypeReference */) {
+            return ts.singleOrUndefined(node.typeArguments);
+        }
+        else {
+            return undefined;
+        }
+    }
+    ts.getRestParameterElementType = getRestParameterElementType;
+    function getMembersOfDeclaration(node) {
+        switch (node.kind) {
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 226 /* SyntaxKind.ClassExpression */:
+            case 182 /* SyntaxKind.TypeLiteral */:
+                return node.members;
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                return node.properties;
+        }
+    }
+    ts.getMembersOfDeclaration = getMembersOfDeclaration;
+    function isVariableLike(node) {
+        if (node) {
+            switch (node.kind) {
+                case 203 /* SyntaxKind.BindingElement */:
+                case 299 /* SyntaxKind.EnumMember */:
+                case 164 /* SyntaxKind.Parameter */:
+                case 296 /* SyntaxKind.PropertyAssignment */:
+                case 167 /* SyntaxKind.PropertyDeclaration */:
+                case 166 /* SyntaxKind.PropertySignature */:
+                case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                case 254 /* SyntaxKind.VariableDeclaration */:
+                    return true;
+            }
+        }
+        return false;
+    }
+    ts.isVariableLike = isVariableLike;
+    function isVariableLikeOrAccessor(node) {
+        return isVariableLike(node) || ts.isAccessor(node);
+    }
+    ts.isVariableLikeOrAccessor = isVariableLikeOrAccessor;
+    function isVariableDeclarationInVariableStatement(node) {
+        return node.parent.kind === 255 /* SyntaxKind.VariableDeclarationList */
+            && node.parent.parent.kind === 237 /* SyntaxKind.VariableStatement */;
+    }
+    ts.isVariableDeclarationInVariableStatement = isVariableDeclarationInVariableStatement;
+    function isCommonJsExportedExpression(node) {
+        if (!isInJSFile(node))
+            return false;
+        return (ts.isObjectLiteralExpression(node.parent) && ts.isBinaryExpression(node.parent.parent) && getAssignmentDeclarationKind(node.parent.parent) === 2 /* AssignmentDeclarationKind.ModuleExports */) ||
+            isCommonJsExportPropertyAssignment(node.parent);
+    }
+    ts.isCommonJsExportedExpression = isCommonJsExportedExpression;
+    function isCommonJsExportPropertyAssignment(node) {
+        if (!isInJSFile(node))
+            return false;
+        return (ts.isBinaryExpression(node) && getAssignmentDeclarationKind(node) === 1 /* AssignmentDeclarationKind.ExportsProperty */);
+    }
+    ts.isCommonJsExportPropertyAssignment = isCommonJsExportPropertyAssignment;
+    function isValidESSymbolDeclaration(node) {
+        return (ts.isVariableDeclaration(node) ? isVarConst(node) && ts.isIdentifier(node.name) && isVariableDeclarationInVariableStatement(node) :
+            ts.isPropertyDeclaration(node) ? hasEffectiveReadonlyModifier(node) && hasStaticModifier(node) :
+                ts.isPropertySignature(node) && hasEffectiveReadonlyModifier(node)) || isCommonJsExportPropertyAssignment(node);
+    }
+    ts.isValidESSymbolDeclaration = isValidESSymbolDeclaration;
+    function introducesArgumentsExoticObject(node) {
+        switch (node.kind) {
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 168 /* SyntaxKind.MethodSignature */:
+            case 171 /* SyntaxKind.Constructor */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+                return true;
+        }
+        return false;
+    }
+    ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject;
+    function unwrapInnermostStatementOfLabel(node, beforeUnwrapLabelCallback) {
+        while (true) {
+            if (beforeUnwrapLabelCallback) {
+                beforeUnwrapLabelCallback(node);
+            }
+            if (node.statement.kind !== 250 /* SyntaxKind.LabeledStatement */) {
+                return node.statement;
+            }
+            node = node.statement;
+        }
+    }
+    ts.unwrapInnermostStatementOfLabel = unwrapInnermostStatementOfLabel;
+    function isFunctionBlock(node) {
+        return node && node.kind === 235 /* SyntaxKind.Block */ && ts.isFunctionLike(node.parent);
+    }
+    ts.isFunctionBlock = isFunctionBlock;
+    function isObjectLiteralMethod(node) {
+        return node && node.kind === 169 /* SyntaxKind.MethodDeclaration */ && node.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */;
+    }
+    ts.isObjectLiteralMethod = isObjectLiteralMethod;
+    function isObjectLiteralOrClassExpressionMethodOrAccessor(node) {
+        return (node.kind === 169 /* SyntaxKind.MethodDeclaration */ || node.kind === 172 /* SyntaxKind.GetAccessor */ || node.kind === 173 /* SyntaxKind.SetAccessor */) &&
+            (node.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ ||
+                node.parent.kind === 226 /* SyntaxKind.ClassExpression */);
+    }
+    ts.isObjectLiteralOrClassExpressionMethodOrAccessor = isObjectLiteralOrClassExpressionMethodOrAccessor;
+    function isIdentifierTypePredicate(predicate) {
+        return predicate && predicate.kind === 1 /* TypePredicateKind.Identifier */;
+    }
+    ts.isIdentifierTypePredicate = isIdentifierTypePredicate;
+    function isThisTypePredicate(predicate) {
+        return predicate && predicate.kind === 0 /* TypePredicateKind.This */;
+    }
+    ts.isThisTypePredicate = isThisTypePredicate;
+    function getPropertyAssignment(objectLiteral, key, key2) {
+        return objectLiteral.properties.filter(function (property) {
+            if (property.kind === 296 /* SyntaxKind.PropertyAssignment */) {
+                var propName = tryGetTextOfPropertyName(property.name);
+                return key === propName || (!!key2 && key2 === propName);
+            }
+            return false;
+        });
+    }
+    ts.getPropertyAssignment = getPropertyAssignment;
+    function getPropertyArrayElementValue(objectLiteral, propKey, elementValue) {
+        return ts.firstDefined(getPropertyAssignment(objectLiteral, propKey), function (property) {
+            return ts.isArrayLiteralExpression(property.initializer) ?
+                ts.find(property.initializer.elements, function (element) { return ts.isStringLiteral(element) && element.text === elementValue; }) :
+                undefined;
+        });
+    }
+    ts.getPropertyArrayElementValue = getPropertyArrayElementValue;
+    function getTsConfigObjectLiteralExpression(tsConfigSourceFile) {
+        if (tsConfigSourceFile && tsConfigSourceFile.statements.length) {
+            var expression = tsConfigSourceFile.statements[0].expression;
+            return ts.tryCast(expression, ts.isObjectLiteralExpression);
+        }
+    }
+    ts.getTsConfigObjectLiteralExpression = getTsConfigObjectLiteralExpression;
+    function getTsConfigPropArrayElementValue(tsConfigSourceFile, propKey, elementValue) {
+        return ts.firstDefined(getTsConfigPropArray(tsConfigSourceFile, propKey), function (property) {
+            return ts.isArrayLiteralExpression(property.initializer) ?
+                ts.find(property.initializer.elements, function (element) { return ts.isStringLiteral(element) && element.text === elementValue; }) :
+                undefined;
+        });
+    }
+    ts.getTsConfigPropArrayElementValue = getTsConfigPropArrayElementValue;
+    function getTsConfigPropArray(tsConfigSourceFile, propKey) {
+        var jsonObjectLiteral = getTsConfigObjectLiteralExpression(tsConfigSourceFile);
+        return jsonObjectLiteral ? getPropertyAssignment(jsonObjectLiteral, propKey) : ts.emptyArray;
+    }
+    ts.getTsConfigPropArray = getTsConfigPropArray;
+    function getContainingFunction(node) {
+        return ts.findAncestor(node.parent, ts.isFunctionLike);
+    }
+    ts.getContainingFunction = getContainingFunction;
+    function getContainingFunctionDeclaration(node) {
+        return ts.findAncestor(node.parent, ts.isFunctionLikeDeclaration);
+    }
+    ts.getContainingFunctionDeclaration = getContainingFunctionDeclaration;
+    function getContainingClass(node) {
+        return ts.findAncestor(node.parent, ts.isClassLike);
+    }
+    ts.getContainingClass = getContainingClass;
+    function getContainingClassStaticBlock(node) {
+        return ts.findAncestor(node.parent, function (n) {
+            if (ts.isClassLike(n) || ts.isFunctionLike(n)) {
+                return "quit";
+            }
+            return ts.isClassStaticBlockDeclaration(n);
+        });
+    }
+    ts.getContainingClassStaticBlock = getContainingClassStaticBlock;
+    function getContainingFunctionOrClassStaticBlock(node) {
+        return ts.findAncestor(node.parent, ts.isFunctionLikeOrClassStaticBlockDeclaration);
+    }
+    ts.getContainingFunctionOrClassStaticBlock = getContainingFunctionOrClassStaticBlock;
+    function getThisContainer(node, includeArrowFunctions) {
+        ts.Debug.assert(node.kind !== 305 /* SyntaxKind.SourceFile */);
+        while (true) {
+            node = node.parent;
+            if (!node) {
+                return ts.Debug.fail(); // If we never pass in a SourceFile, this should be unreachable, since we'll stop when we reach that.
+            }
+            switch (node.kind) {
+                case 162 /* SyntaxKind.ComputedPropertyName */:
+                    // If the grandparent node is an object literal (as opposed to a class),
+                    // then the computed property is not a 'this' container.
+                    // A computed property name in a class needs to be a this container
+                    // so that we can error on it.
+                    if (ts.isClassLike(node.parent.parent)) {
+                        return node;
+                    }
+                    // If this is a computed property, then the parent should not
+                    // make it a this container. The parent might be a property
+                    // in an object literal, like a method or accessor. But in order for
+                    // such a parent to be a this container, the reference must be in
+                    // the *body* of the container.
+                    node = node.parent;
+                    break;
+                case 165 /* SyntaxKind.Decorator */:
+                    // Decorators are always applied outside of the body of a class or method.
+                    if (node.parent.kind === 164 /* SyntaxKind.Parameter */ && ts.isClassElement(node.parent.parent)) {
+                        // If the decorator's parent is a Parameter, we resolve the this container from
+                        // the grandparent class declaration.
+                        node = node.parent.parent;
+                    }
+                    else if (ts.isClassElement(node.parent)) {
+                        // If the decorator's parent is a class element, we resolve the 'this' container
+                        // from the parent class declaration.
+                        node = node.parent;
+                    }
+                    break;
+                case 214 /* SyntaxKind.ArrowFunction */:
+                    if (!includeArrowFunctions) {
+                        continue;
+                    }
+                // falls through
+                case 256 /* SyntaxKind.FunctionDeclaration */:
+                case 213 /* SyntaxKind.FunctionExpression */:
+                case 261 /* SyntaxKind.ModuleDeclaration */:
+                case 170 /* SyntaxKind.ClassStaticBlockDeclaration */:
+                case 167 /* SyntaxKind.PropertyDeclaration */:
+                case 166 /* SyntaxKind.PropertySignature */:
+                case 169 /* SyntaxKind.MethodDeclaration */:
+                case 168 /* SyntaxKind.MethodSignature */:
+                case 171 /* SyntaxKind.Constructor */:
+                case 172 /* SyntaxKind.GetAccessor */:
+                case 173 /* SyntaxKind.SetAccessor */:
+                case 174 /* SyntaxKind.CallSignature */:
+                case 175 /* SyntaxKind.ConstructSignature */:
+                case 176 /* SyntaxKind.IndexSignature */:
+                case 260 /* SyntaxKind.EnumDeclaration */:
+                case 305 /* SyntaxKind.SourceFile */:
+                    return node;
+            }
+        }
+    }
+    ts.getThisContainer = getThisContainer;
+    /**
+     * @returns Whether the node creates a new 'this' scope for its children.
+     */
+    function isThisContainerOrFunctionBlock(node) {
+        switch (node.kind) {
+            // Arrow functions use the same scope, but may do so in a "delayed" manner
+            // For example, `const getThis = () => this` may be before a super() call in a derived constructor
+            case 214 /* SyntaxKind.ArrowFunction */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+                return true;
+            case 235 /* SyntaxKind.Block */:
+                switch (node.parent.kind) {
+                    case 171 /* SyntaxKind.Constructor */:
+                    case 169 /* SyntaxKind.MethodDeclaration */:
+                    case 172 /* SyntaxKind.GetAccessor */:
+                    case 173 /* SyntaxKind.SetAccessor */:
+                        // Object properties can have computed names; only method-like bodies start a new scope
+                        return true;
+                    default:
+                        return false;
+                }
+            default:
+                return false;
+        }
+    }
+    ts.isThisContainerOrFunctionBlock = isThisContainerOrFunctionBlock;
+    function isInTopLevelContext(node) {
+        // The name of a class or function declaration is a BindingIdentifier in its surrounding scope.
+        if (ts.isIdentifier(node) && (ts.isClassDeclaration(node.parent) || ts.isFunctionDeclaration(node.parent)) && node.parent.name === node) {
+            node = node.parent;
+        }
+        var container = getThisContainer(node, /*includeArrowFunctions*/ true);
+        return ts.isSourceFile(container);
+    }
+    ts.isInTopLevelContext = isInTopLevelContext;
+    function getNewTargetContainer(node) {
+        var container = getThisContainer(node, /*includeArrowFunctions*/ false);
+        if (container) {
+            switch (container.kind) {
+                case 171 /* SyntaxKind.Constructor */:
+                case 256 /* SyntaxKind.FunctionDeclaration */:
+                case 213 /* SyntaxKind.FunctionExpression */:
+                    return container;
+            }
+        }
+        return undefined;
+    }
+    ts.getNewTargetContainer = getNewTargetContainer;
+    /**
+     * Given an super call/property node, returns the closest node where
+     * - a super call/property access is legal in the node and not legal in the parent node the node.
+     *   i.e. super call is legal in constructor but not legal in the class body.
+     * - the container is an arrow function (so caller might need to call getSuperContainer again in case it needs to climb higher)
+     * - a super call/property is definitely illegal in the container (but might be legal in some subnode)
+     *   i.e. super property access is illegal in function declaration but can be legal in the statement list
+     */
+    function getSuperContainer(node, stopOnFunctions) {
+        while (true) {
+            node = node.parent;
+            if (!node) {
+                return node;
+            }
+            switch (node.kind) {
+                case 162 /* SyntaxKind.ComputedPropertyName */:
+                    node = node.parent;
+                    break;
+                case 256 /* SyntaxKind.FunctionDeclaration */:
+                case 213 /* SyntaxKind.FunctionExpression */:
+                case 214 /* SyntaxKind.ArrowFunction */:
+                    if (!stopOnFunctions) {
+                        continue;
+                    }
+                // falls through
+                case 167 /* SyntaxKind.PropertyDeclaration */:
+                case 166 /* SyntaxKind.PropertySignature */:
+                case 169 /* SyntaxKind.MethodDeclaration */:
+                case 168 /* SyntaxKind.MethodSignature */:
+                case 171 /* SyntaxKind.Constructor */:
+                case 172 /* SyntaxKind.GetAccessor */:
+                case 173 /* SyntaxKind.SetAccessor */:
+                case 170 /* SyntaxKind.ClassStaticBlockDeclaration */:
+                    return node;
+                case 165 /* SyntaxKind.Decorator */:
+                    // Decorators are always applied outside of the body of a class or method.
+                    if (node.parent.kind === 164 /* SyntaxKind.Parameter */ && ts.isClassElement(node.parent.parent)) {
+                        // If the decorator's parent is a Parameter, we resolve the this container from
+                        // the grandparent class declaration.
+                        node = node.parent.parent;
+                    }
+                    else if (ts.isClassElement(node.parent)) {
+                        // If the decorator's parent is a class element, we resolve the 'this' container
+                        // from the parent class declaration.
+                        node = node.parent;
+                    }
+                    break;
+            }
+        }
+    }
+    ts.getSuperContainer = getSuperContainer;
+    function getImmediatelyInvokedFunctionExpression(func) {
+        if (func.kind === 213 /* SyntaxKind.FunctionExpression */ || func.kind === 214 /* SyntaxKind.ArrowFunction */) {
+            var prev = func;
+            var parent = func.parent;
+            while (parent.kind === 212 /* SyntaxKind.ParenthesizedExpression */) {
+                prev = parent;
+                parent = parent.parent;
+            }
+            if (parent.kind === 208 /* SyntaxKind.CallExpression */ && parent.expression === prev) {
+                return parent;
+            }
+        }
+    }
+    ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression;
+    function isSuperOrSuperProperty(node) {
+        return node.kind === 106 /* SyntaxKind.SuperKeyword */
+            || isSuperProperty(node);
+    }
+    ts.isSuperOrSuperProperty = isSuperOrSuperProperty;
+    /**
+     * Determines whether a node is a property or element access expression for `super`.
+     */
+    function isSuperProperty(node) {
+        var kind = node.kind;
+        return (kind === 206 /* SyntaxKind.PropertyAccessExpression */ || kind === 207 /* SyntaxKind.ElementAccessExpression */)
+            && node.expression.kind === 106 /* SyntaxKind.SuperKeyword */;
+    }
+    ts.isSuperProperty = isSuperProperty;
+    /**
+     * Determines whether a node is a property or element access expression for `this`.
+     */
+    function isThisProperty(node) {
+        var kind = node.kind;
+        return (kind === 206 /* SyntaxKind.PropertyAccessExpression */ || kind === 207 /* SyntaxKind.ElementAccessExpression */)
+            && node.expression.kind === 108 /* SyntaxKind.ThisKeyword */;
+    }
+    ts.isThisProperty = isThisProperty;
+    function isThisInitializedDeclaration(node) {
+        var _a;
+        return !!node && ts.isVariableDeclaration(node) && ((_a = node.initializer) === null || _a === void 0 ? void 0 : _a.kind) === 108 /* SyntaxKind.ThisKeyword */;
+    }
+    ts.isThisInitializedDeclaration = isThisInitializedDeclaration;
+    function isThisInitializedObjectBindingExpression(node) {
+        return !!node
+            && (ts.isShorthandPropertyAssignment(node) || ts.isPropertyAssignment(node))
+            && ts.isBinaryExpression(node.parent.parent)
+            && node.parent.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */
+            && node.parent.parent.right.kind === 108 /* SyntaxKind.ThisKeyword */;
+    }
+    ts.isThisInitializedObjectBindingExpression = isThisInitializedObjectBindingExpression;
+    function getEntityNameFromTypeNode(node) {
+        switch (node.kind) {
+            case 178 /* SyntaxKind.TypeReference */:
+                return node.typeName;
+            case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                return isEntityNameExpression(node.expression)
+                    ? node.expression
+                    : undefined;
+            // TODO(rbuckton): These aren't valid TypeNodes, but we treat them as such because of `isPartOfTypeNode`, which returns `true` for things that aren't `TypeNode`s.
+            case 79 /* SyntaxKind.Identifier */:
+            case 161 /* SyntaxKind.QualifiedName */:
+                return node;
+        }
+        return undefined;
+    }
+    ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode;
+    function getInvokedExpression(node) {
+        switch (node.kind) {
+            case 210 /* SyntaxKind.TaggedTemplateExpression */:
+                return node.tag;
+            case 280 /* SyntaxKind.JsxOpeningElement */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+                return node.tagName;
+            default:
+                return node.expression;
+        }
+    }
+    ts.getInvokedExpression = getInvokedExpression;
+    function nodeCanBeDecorated(node, parent, grandparent) {
+        // private names cannot be used with decorators yet
+        if (ts.isNamedDeclaration(node) && ts.isPrivateIdentifier(node.name)) {
+            return false;
+        }
+        switch (node.kind) {
+            case 257 /* SyntaxKind.ClassDeclaration */:
+                // classes are valid targets
+                return true;
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+                // property declarations are valid if their parent is a class declaration.
+                return parent.kind === 257 /* SyntaxKind.ClassDeclaration */;
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+                // if this method has a body and its parent is a class declaration, this is a valid target.
+                return node.body !== undefined
+                    && parent.kind === 257 /* SyntaxKind.ClassDeclaration */;
+            case 164 /* SyntaxKind.Parameter */:
+                // if the parameter's parent has a body and its grandparent is a class declaration, this is a valid target;
+                return parent.body !== undefined
+                    && (parent.kind === 171 /* SyntaxKind.Constructor */
+                        || parent.kind === 169 /* SyntaxKind.MethodDeclaration */
+                        || parent.kind === 173 /* SyntaxKind.SetAccessor */)
+                    && grandparent.kind === 257 /* SyntaxKind.ClassDeclaration */;
+        }
+        return false;
+    }
+    ts.nodeCanBeDecorated = nodeCanBeDecorated;
+    function nodeIsDecorated(node, parent, grandparent) {
+        return node.decorators !== undefined
+            && nodeCanBeDecorated(node, parent, grandparent); // TODO: GH#18217
+    }
+    ts.nodeIsDecorated = nodeIsDecorated;
+    function nodeOrChildIsDecorated(node, parent, grandparent) {
+        return nodeIsDecorated(node, parent, grandparent) || childIsDecorated(node, parent); // TODO: GH#18217
+    }
+    ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated;
+    function childIsDecorated(node, parent) {
+        switch (node.kind) {
+            case 257 /* SyntaxKind.ClassDeclaration */:
+                return ts.some(node.members, function (m) { return nodeOrChildIsDecorated(m, node, parent); }); // TODO: GH#18217
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 171 /* SyntaxKind.Constructor */:
+                return ts.some(node.parameters, function (p) { return nodeIsDecorated(p, node, parent); }); // TODO: GH#18217
+            default:
+                return false;
+        }
+    }
+    ts.childIsDecorated = childIsDecorated;
+    function classOrConstructorParameterIsDecorated(node) {
+        if (nodeIsDecorated(node))
+            return true;
+        var constructor = getFirstConstructorWithBody(node);
+        return !!constructor && childIsDecorated(constructor, node);
+    }
+    ts.classOrConstructorParameterIsDecorated = classOrConstructorParameterIsDecorated;
+    function isJSXTagName(node) {
+        var parent = node.parent;
+        if (parent.kind === 280 /* SyntaxKind.JsxOpeningElement */ ||
+            parent.kind === 279 /* SyntaxKind.JsxSelfClosingElement */ ||
+            parent.kind === 281 /* SyntaxKind.JsxClosingElement */) {
+            return parent.tagName === node;
+        }
+        return false;
+    }
+    ts.isJSXTagName = isJSXTagName;
+    function isExpressionNode(node) {
+        switch (node.kind) {
+            case 106 /* SyntaxKind.SuperKeyword */:
+            case 104 /* SyntaxKind.NullKeyword */:
+            case 110 /* SyntaxKind.TrueKeyword */:
+            case 95 /* SyntaxKind.FalseKeyword */:
+            case 13 /* SyntaxKind.RegularExpressionLiteral */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+            case 207 /* SyntaxKind.ElementAccessExpression */:
+            case 208 /* SyntaxKind.CallExpression */:
+            case 209 /* SyntaxKind.NewExpression */:
+            case 210 /* SyntaxKind.TaggedTemplateExpression */:
+            case 229 /* SyntaxKind.AsExpression */:
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+            case 230 /* SyntaxKind.NonNullExpression */:
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 226 /* SyntaxKind.ClassExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+            case 217 /* SyntaxKind.VoidExpression */:
+            case 215 /* SyntaxKind.DeleteExpression */:
+            case 216 /* SyntaxKind.TypeOfExpression */:
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+            case 220 /* SyntaxKind.PostfixUnaryExpression */:
+            case 221 /* SyntaxKind.BinaryExpression */:
+            case 222 /* SyntaxKind.ConditionalExpression */:
+            case 225 /* SyntaxKind.SpreadElement */:
+            case 223 /* SyntaxKind.TemplateExpression */:
+            case 227 /* SyntaxKind.OmittedExpression */:
+            case 278 /* SyntaxKind.JsxElement */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+            case 282 /* SyntaxKind.JsxFragment */:
+            case 224 /* SyntaxKind.YieldExpression */:
+            case 218 /* SyntaxKind.AwaitExpression */:
+            case 231 /* SyntaxKind.MetaProperty */:
+                return true;
+            case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                return !ts.isHeritageClause(node.parent);
+            case 161 /* SyntaxKind.QualifiedName */:
+                while (node.parent.kind === 161 /* SyntaxKind.QualifiedName */) {
+                    node = node.parent;
+                }
+                return node.parent.kind === 181 /* SyntaxKind.TypeQuery */ || ts.isJSDocLinkLike(node.parent) || ts.isJSDocNameReference(node.parent) || ts.isJSDocMemberName(node.parent) || isJSXTagName(node);
+            case 311 /* SyntaxKind.JSDocMemberName */:
+                while (ts.isJSDocMemberName(node.parent)) {
+                    node = node.parent;
+                }
+                return node.parent.kind === 181 /* SyntaxKind.TypeQuery */ || ts.isJSDocLinkLike(node.parent) || ts.isJSDocNameReference(node.parent) || ts.isJSDocMemberName(node.parent) || isJSXTagName(node);
+            case 80 /* SyntaxKind.PrivateIdentifier */:
+                return ts.isBinaryExpression(node.parent) && node.parent.left === node && node.parent.operatorToken.kind === 101 /* SyntaxKind.InKeyword */;
+            case 79 /* SyntaxKind.Identifier */:
+                if (node.parent.kind === 181 /* SyntaxKind.TypeQuery */ || ts.isJSDocLinkLike(node.parent) || ts.isJSDocNameReference(node.parent) || ts.isJSDocMemberName(node.parent) || isJSXTagName(node)) {
+                    return true;
+                }
+            // falls through
+            case 8 /* SyntaxKind.NumericLiteral */:
+            case 9 /* SyntaxKind.BigIntLiteral */:
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 108 /* SyntaxKind.ThisKeyword */:
+                return isInExpressionContext(node);
+            default:
+                return false;
+        }
+    }
+    ts.isExpressionNode = isExpressionNode;
+    function isInExpressionContext(node) {
+        var parent = node.parent;
+        switch (parent.kind) {
+            case 254 /* SyntaxKind.VariableDeclaration */:
+            case 164 /* SyntaxKind.Parameter */:
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+            case 166 /* SyntaxKind.PropertySignature */:
+            case 299 /* SyntaxKind.EnumMember */:
+            case 296 /* SyntaxKind.PropertyAssignment */:
+            case 203 /* SyntaxKind.BindingElement */:
+                return parent.initializer === node;
+            case 238 /* SyntaxKind.ExpressionStatement */:
+            case 239 /* SyntaxKind.IfStatement */:
+            case 240 /* SyntaxKind.DoStatement */:
+            case 241 /* SyntaxKind.WhileStatement */:
+            case 247 /* SyntaxKind.ReturnStatement */:
+            case 248 /* SyntaxKind.WithStatement */:
+            case 249 /* SyntaxKind.SwitchStatement */:
+            case 289 /* SyntaxKind.CaseClause */:
+            case 251 /* SyntaxKind.ThrowStatement */:
+                return parent.expression === node;
+            case 242 /* SyntaxKind.ForStatement */:
+                var forStatement = parent;
+                return (forStatement.initializer === node && forStatement.initializer.kind !== 255 /* SyntaxKind.VariableDeclarationList */) ||
+                    forStatement.condition === node ||
+                    forStatement.incrementor === node;
+            case 243 /* SyntaxKind.ForInStatement */:
+            case 244 /* SyntaxKind.ForOfStatement */:
+                var forInStatement = parent;
+                return (forInStatement.initializer === node && forInStatement.initializer.kind !== 255 /* SyntaxKind.VariableDeclarationList */) ||
+                    forInStatement.expression === node;
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+            case 229 /* SyntaxKind.AsExpression */:
+                return node === parent.expression;
+            case 233 /* SyntaxKind.TemplateSpan */:
+                return node === parent.expression;
+            case 162 /* SyntaxKind.ComputedPropertyName */:
+                return node === parent.expression;
+            case 165 /* SyntaxKind.Decorator */:
+            case 288 /* SyntaxKind.JsxExpression */:
+            case 287 /* SyntaxKind.JsxSpreadAttribute */:
+            case 298 /* SyntaxKind.SpreadAssignment */:
+                return true;
+            case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                return parent.expression === node && !isPartOfTypeNode(parent);
+            case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                return parent.objectAssignmentInitializer === node;
+            default:
+                return isExpressionNode(parent);
+        }
+    }
+    ts.isInExpressionContext = isInExpressionContext;
+    function isPartOfTypeQuery(node) {
+        while (node.kind === 161 /* SyntaxKind.QualifiedName */ || node.kind === 79 /* SyntaxKind.Identifier */) {
+            node = node.parent;
+        }
+        return node.kind === 181 /* SyntaxKind.TypeQuery */;
+    }
+    ts.isPartOfTypeQuery = isPartOfTypeQuery;
+    function isNamespaceReexportDeclaration(node) {
+        return ts.isNamespaceExport(node) && !!node.parent.moduleSpecifier;
+    }
+    ts.isNamespaceReexportDeclaration = isNamespaceReexportDeclaration;
+    function isExternalModuleImportEqualsDeclaration(node) {
+        return node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ && node.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */;
+    }
+    ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration;
+    function getExternalModuleImportEqualsDeclarationExpression(node) {
+        ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node));
+        return node.moduleReference.expression;
+    }
+    ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression;
+    function getExternalModuleRequireArgument(node) {
+        return isVariableDeclarationInitializedToBareOrAccessedRequire(node) && getLeftmostAccessExpression(node.initializer).arguments[0];
+    }
+    ts.getExternalModuleRequireArgument = getExternalModuleRequireArgument;
+    function isInternalModuleImportEqualsDeclaration(node) {
+        return node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ && node.moduleReference.kind !== 277 /* SyntaxKind.ExternalModuleReference */;
+    }
+    ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration;
+    function isSourceFileJS(file) {
+        return isInJSFile(file);
+    }
+    ts.isSourceFileJS = isSourceFileJS;
+    function isSourceFileNotJS(file) {
+        return !isInJSFile(file);
+    }
+    ts.isSourceFileNotJS = isSourceFileNotJS;
+    function isInJSFile(node) {
+        return !!node && !!(node.flags & 262144 /* NodeFlags.JavaScriptFile */);
+    }
+    ts.isInJSFile = isInJSFile;
+    function isInJsonFile(node) {
+        return !!node && !!(node.flags & 67108864 /* NodeFlags.JsonFile */);
+    }
+    ts.isInJsonFile = isInJsonFile;
+    function isSourceFileNotJson(file) {
+        return !isJsonSourceFile(file);
+    }
+    ts.isSourceFileNotJson = isSourceFileNotJson;
+    function isInJSDoc(node) {
+        return !!node && !!(node.flags & 8388608 /* NodeFlags.JSDoc */);
+    }
+    ts.isInJSDoc = isInJSDoc;
+    function isJSDocIndexSignature(node) {
+        return ts.isTypeReferenceNode(node) &&
+            ts.isIdentifier(node.typeName) &&
+            node.typeName.escapedText === "Object" &&
+            node.typeArguments && node.typeArguments.length === 2 &&
+            (node.typeArguments[0].kind === 150 /* SyntaxKind.StringKeyword */ || node.typeArguments[0].kind === 147 /* SyntaxKind.NumberKeyword */);
+    }
+    ts.isJSDocIndexSignature = isJSDocIndexSignature;
+    function isRequireCall(callExpression, requireStringLiteralLikeArgument) {
+        if (callExpression.kind !== 208 /* SyntaxKind.CallExpression */) {
+            return false;
+        }
+        var _a = callExpression, expression = _a.expression, args = _a.arguments;
+        if (expression.kind !== 79 /* SyntaxKind.Identifier */ || expression.escapedText !== "require") {
+            return false;
+        }
+        if (args.length !== 1) {
+            return false;
+        }
+        var arg = args[0];
+        return !requireStringLiteralLikeArgument || ts.isStringLiteralLike(arg);
+    }
+    ts.isRequireCall = isRequireCall;
+    /**
+     * Returns true if the node is a VariableDeclaration initialized to a require call (see `isRequireCall`).
+     * This function does not test if the node is in a JavaScript file or not.
+     */
+    function isVariableDeclarationInitializedToRequire(node) {
+        return isVariableDeclarationInitializedWithRequireHelper(node, /*allowAccessedRequire*/ false);
+    }
+    ts.isVariableDeclarationInitializedToRequire = isVariableDeclarationInitializedToRequire;
+    /**
+     * Like {@link isVariableDeclarationInitializedToRequire} but allows things like `require("...").foo.bar` or `require("...")["baz"]`.
+     */
+    function isVariableDeclarationInitializedToBareOrAccessedRequire(node) {
+        return isVariableDeclarationInitializedWithRequireHelper(node, /*allowAccessedRequire*/ true);
+    }
+    ts.isVariableDeclarationInitializedToBareOrAccessedRequire = isVariableDeclarationInitializedToBareOrAccessedRequire;
+    function isVariableDeclarationInitializedWithRequireHelper(node, allowAccessedRequire) {
+        return ts.isVariableDeclaration(node) &&
+            !!node.initializer &&
+            isRequireCall(allowAccessedRequire ? getLeftmostAccessExpression(node.initializer) : node.initializer, /*requireStringLiteralLikeArgument*/ true);
+    }
+    function isRequireVariableStatement(node) {
+        return ts.isVariableStatement(node)
+            && node.declarationList.declarations.length > 0
+            && ts.every(node.declarationList.declarations, function (decl) { return isVariableDeclarationInitializedToRequire(decl); });
+    }
+    ts.isRequireVariableStatement = isRequireVariableStatement;
+    function isSingleOrDoubleQuote(charCode) {
+        return charCode === 39 /* CharacterCodes.singleQuote */ || charCode === 34 /* CharacterCodes.doubleQuote */;
+    }
+    ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote;
+    function isStringDoubleQuoted(str, sourceFile) {
+        return getSourceTextOfNodeFromSourceFile(sourceFile, str).charCodeAt(0) === 34 /* CharacterCodes.doubleQuote */;
+    }
+    ts.isStringDoubleQuoted = isStringDoubleQuoted;
+    function isAssignmentDeclaration(decl) {
+        return ts.isBinaryExpression(decl) || isAccessExpression(decl) || ts.isIdentifier(decl) || ts.isCallExpression(decl);
+    }
+    ts.isAssignmentDeclaration = isAssignmentDeclaration;
+    /** Get the initializer, taking into account defaulted Javascript initializers */
+    function getEffectiveInitializer(node) {
+        if (isInJSFile(node) && node.initializer &&
+            ts.isBinaryExpression(node.initializer) &&
+            (node.initializer.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || node.initializer.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */) &&
+            node.name && isEntityNameExpression(node.name) && isSameEntityName(node.name, node.initializer.left)) {
+            return node.initializer.right;
+        }
+        return node.initializer;
+    }
+    ts.getEffectiveInitializer = getEffectiveInitializer;
+    /** Get the declaration initializer when it is container-like (See getExpandoInitializer). */
+    function getDeclaredExpandoInitializer(node) {
+        var init = getEffectiveInitializer(node);
+        return init && getExpandoInitializer(init, isPrototypeAccess(node.name));
+    }
+    ts.getDeclaredExpandoInitializer = getDeclaredExpandoInitializer;
+    function hasExpandoValueProperty(node, isPrototypeAssignment) {
+        return ts.forEach(node.properties, function (p) {
+            return ts.isPropertyAssignment(p) &&
+                ts.isIdentifier(p.name) &&
+                p.name.escapedText === "value" &&
+                p.initializer &&
+                getExpandoInitializer(p.initializer, isPrototypeAssignment);
+        });
+    }
+    /**
+     * Get the assignment 'initializer' -- the righthand side-- when the initializer is container-like (See getExpandoInitializer).
+     * We treat the right hand side of assignments with container-like initializers as declarations.
+     */
+    function getAssignedExpandoInitializer(node) {
+        if (node && node.parent && ts.isBinaryExpression(node.parent) && node.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) {
+            var isPrototypeAssignment = isPrototypeAccess(node.parent.left);
+            return getExpandoInitializer(node.parent.right, isPrototypeAssignment) ||
+                getDefaultedExpandoInitializer(node.parent.left, node.parent.right, isPrototypeAssignment);
+        }
+        if (node && ts.isCallExpression(node) && isBindableObjectDefinePropertyCall(node)) {
+            var result = hasExpandoValueProperty(node.arguments[2], node.arguments[1].text === "prototype");
+            if (result) {
+                return result;
+            }
+        }
+    }
+    ts.getAssignedExpandoInitializer = getAssignedExpandoInitializer;
+    /**
+     * Recognized expando initializers are:
+     * 1. (function() {})() -- IIFEs
+     * 2. function() { } -- Function expressions
+     * 3. class { } -- Class expressions
+     * 4. {} -- Empty object literals
+     * 5. { ... } -- Non-empty object literals, when used to initialize a prototype, like `C.prototype = { m() { } }`
+     *
+     * This function returns the provided initializer, or undefined if it is not valid.
+     */
+    function getExpandoInitializer(initializer, isPrototypeAssignment) {
+        if (ts.isCallExpression(initializer)) {
+            var e = skipParentheses(initializer.expression);
+            return e.kind === 213 /* SyntaxKind.FunctionExpression */ || e.kind === 214 /* SyntaxKind.ArrowFunction */ ? initializer : undefined;
+        }
+        if (initializer.kind === 213 /* SyntaxKind.FunctionExpression */ ||
+            initializer.kind === 226 /* SyntaxKind.ClassExpression */ ||
+            initializer.kind === 214 /* SyntaxKind.ArrowFunction */) {
+            return initializer;
+        }
+        if (ts.isObjectLiteralExpression(initializer) && (initializer.properties.length === 0 || isPrototypeAssignment)) {
+            return initializer;
+        }
+    }
+    ts.getExpandoInitializer = getExpandoInitializer;
+    /**
+     * A defaulted expando initializer matches the pattern
+     * `Lhs = Lhs || ExpandoInitializer`
+     * or `var Lhs = Lhs || ExpandoInitializer`
+     *
+     * The second Lhs is required to be the same as the first except that it may be prefixed with
+     * 'window.', 'global.' or 'self.' The second Lhs is otherwise ignored by the binder and checker.
+     */
+    function getDefaultedExpandoInitializer(name, initializer, isPrototypeAssignment) {
+        var e = ts.isBinaryExpression(initializer)
+            && (initializer.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || initializer.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */)
+            && getExpandoInitializer(initializer.right, isPrototypeAssignment);
+        if (e && isSameEntityName(name, initializer.left)) {
+            return e;
+        }
+    }
+    function isDefaultedExpandoInitializer(node) {
+        var name = ts.isVariableDeclaration(node.parent) ? node.parent.name :
+            ts.isBinaryExpression(node.parent) && node.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ ? node.parent.left :
+                undefined;
+        return name && getExpandoInitializer(node.right, isPrototypeAccess(name)) && isEntityNameExpression(name) && isSameEntityName(name, node.left);
+    }
+    ts.isDefaultedExpandoInitializer = isDefaultedExpandoInitializer;
+    /** Given an expando initializer, return its declaration name, or the left-hand side of the assignment if it's part of an assignment declaration. */
+    function getNameOfExpando(node) {
+        if (ts.isBinaryExpression(node.parent)) {
+            var parent = ((node.parent.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || node.parent.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */) && ts.isBinaryExpression(node.parent.parent)) ? node.parent.parent : node.parent;
+            if (parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && ts.isIdentifier(parent.left)) {
+                return parent.left;
+            }
+        }
+        else if (ts.isVariableDeclaration(node.parent)) {
+            return node.parent.name;
+        }
+    }
+    ts.getNameOfExpando = getNameOfExpando;
+    /**
+     * Is the 'declared' name the same as the one in the initializer?
+     * @return true for identical entity names, as well as ones where the initializer is prefixed with
+     * 'window', 'self' or 'global'. For example:
+     *
+     * var my = my || {}
+     * var min = window.min || {}
+     * my.app = self.my.app || class { }
+     */
+    function isSameEntityName(name, initializer) {
+        if (isPropertyNameLiteral(name) && isPropertyNameLiteral(initializer)) {
+            return getTextOfIdentifierOrLiteral(name) === getTextOfIdentifierOrLiteral(initializer);
+        }
+        if (ts.isMemberName(name) && isLiteralLikeAccess(initializer) &&
+            (initializer.expression.kind === 108 /* SyntaxKind.ThisKeyword */ ||
+                ts.isIdentifier(initializer.expression) &&
+                    (initializer.expression.escapedText === "window" ||
+                        initializer.expression.escapedText === "self" ||
+                        initializer.expression.escapedText === "global"))) {
+            return isSameEntityName(name, getNameOrArgument(initializer));
+        }
+        if (isLiteralLikeAccess(name) && isLiteralLikeAccess(initializer)) {
+            return getElementOrPropertyAccessName(name) === getElementOrPropertyAccessName(initializer)
+                && isSameEntityName(name.expression, initializer.expression);
+        }
+        return false;
+    }
+    ts.isSameEntityName = isSameEntityName;
+    function getRightMostAssignedExpression(node) {
+        while (isAssignmentExpression(node, /*excludeCompoundAssignments*/ true)) {
+            node = node.right;
+        }
+        return node;
+    }
+    ts.getRightMostAssignedExpression = getRightMostAssignedExpression;
+    function isExportsIdentifier(node) {
+        return ts.isIdentifier(node) && node.escapedText === "exports";
+    }
+    ts.isExportsIdentifier = isExportsIdentifier;
+    function isModuleIdentifier(node) {
+        return ts.isIdentifier(node) && node.escapedText === "module";
+    }
+    ts.isModuleIdentifier = isModuleIdentifier;
+    function isModuleExportsAccessExpression(node) {
+        return (ts.isPropertyAccessExpression(node) || isLiteralLikeElementAccess(node))
+            && isModuleIdentifier(node.expression)
+            && getElementOrPropertyAccessName(node) === "exports";
+    }
+    ts.isModuleExportsAccessExpression = isModuleExportsAccessExpression;
+    /// Given a BinaryExpression, returns SpecialPropertyAssignmentKind for the various kinds of property
+    /// assignments we treat as special in the binder
+    function getAssignmentDeclarationKind(expr) {
+        var special = getAssignmentDeclarationKindWorker(expr);
+        return special === 5 /* AssignmentDeclarationKind.Property */ || isInJSFile(expr) ? special : 0 /* AssignmentDeclarationKind.None */;
+    }
+    ts.getAssignmentDeclarationKind = getAssignmentDeclarationKind;
+    function isBindableObjectDefinePropertyCall(expr) {
+        return ts.length(expr.arguments) === 3 &&
+            ts.isPropertyAccessExpression(expr.expression) &&
+            ts.isIdentifier(expr.expression.expression) &&
+            ts.idText(expr.expression.expression) === "Object" &&
+            ts.idText(expr.expression.name) === "defineProperty" &&
+            isStringOrNumericLiteralLike(expr.arguments[1]) &&
+            isBindableStaticNameExpression(expr.arguments[0], /*excludeThisKeyword*/ true);
+    }
+    ts.isBindableObjectDefinePropertyCall = isBindableObjectDefinePropertyCall;
+    /** x.y OR x[0] */
+    function isLiteralLikeAccess(node) {
+        return ts.isPropertyAccessExpression(node) || isLiteralLikeElementAccess(node);
+    }
+    ts.isLiteralLikeAccess = isLiteralLikeAccess;
+    /** x[0] OR x['a'] OR x[Symbol.y] */
+    function isLiteralLikeElementAccess(node) {
+        return ts.isElementAccessExpression(node) && isStringOrNumericLiteralLike(node.argumentExpression);
+    }
+    ts.isLiteralLikeElementAccess = isLiteralLikeElementAccess;
+    /** Any series of property and element accesses. */
+    function isBindableStaticAccessExpression(node, excludeThisKeyword) {
+        return ts.isPropertyAccessExpression(node) && (!excludeThisKeyword && node.expression.kind === 108 /* SyntaxKind.ThisKeyword */ || ts.isIdentifier(node.name) && isBindableStaticNameExpression(node.expression, /*excludeThisKeyword*/ true))
+            || isBindableStaticElementAccessExpression(node, excludeThisKeyword);
+    }
+    ts.isBindableStaticAccessExpression = isBindableStaticAccessExpression;
+    /** Any series of property and element accesses, ending in a literal element access */
+    function isBindableStaticElementAccessExpression(node, excludeThisKeyword) {
+        return isLiteralLikeElementAccess(node)
+            && ((!excludeThisKeyword && node.expression.kind === 108 /* SyntaxKind.ThisKeyword */) ||
+                isEntityNameExpression(node.expression) ||
+                isBindableStaticAccessExpression(node.expression, /*excludeThisKeyword*/ true));
+    }
+    ts.isBindableStaticElementAccessExpression = isBindableStaticElementAccessExpression;
+    function isBindableStaticNameExpression(node, excludeThisKeyword) {
+        return isEntityNameExpression(node) || isBindableStaticAccessExpression(node, excludeThisKeyword);
+    }
+    ts.isBindableStaticNameExpression = isBindableStaticNameExpression;
+    function getNameOrArgument(expr) {
+        if (ts.isPropertyAccessExpression(expr)) {
+            return expr.name;
+        }
+        return expr.argumentExpression;
+    }
+    ts.getNameOrArgument = getNameOrArgument;
+    function getAssignmentDeclarationKindWorker(expr) {
+        if (ts.isCallExpression(expr)) {
+            if (!isBindableObjectDefinePropertyCall(expr)) {
+                return 0 /* AssignmentDeclarationKind.None */;
+            }
+            var entityName = expr.arguments[0];
+            if (isExportsIdentifier(entityName) || isModuleExportsAccessExpression(entityName)) {
+                return 8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */;
+            }
+            if (isBindableStaticAccessExpression(entityName) && getElementOrPropertyAccessName(entityName) === "prototype") {
+                return 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */;
+            }
+            return 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */;
+        }
+        if (expr.operatorToken.kind !== 63 /* SyntaxKind.EqualsToken */ || !isAccessExpression(expr.left) || isVoidZero(getRightMostAssignedExpression(expr))) {
+            return 0 /* AssignmentDeclarationKind.None */;
+        }
+        if (isBindableStaticNameExpression(expr.left.expression, /*excludeThisKeyword*/ true) && getElementOrPropertyAccessName(expr.left) === "prototype" && ts.isObjectLiteralExpression(getInitializerOfBinaryExpression(expr))) {
+            // F.prototype = { ... }
+            return 6 /* AssignmentDeclarationKind.Prototype */;
+        }
+        return getAssignmentDeclarationPropertyAccessKind(expr.left);
+    }
+    function isVoidZero(node) {
+        return ts.isVoidExpression(node) && ts.isNumericLiteral(node.expression) && node.expression.text === "0";
+    }
+    /**
+     * Does not handle signed numeric names like `a[+0]` - handling those would require handling prefix unary expressions
+     * throughout late binding handling as well, which is awkward (but ultimately probably doable if there is demand)
+     */
+    /* @internal */
+    function getElementOrPropertyAccessArgumentExpressionOrName(node) {
+        if (ts.isPropertyAccessExpression(node)) {
+            return node.name;
+        }
+        var arg = skipParentheses(node.argumentExpression);
+        if (ts.isNumericLiteral(arg) || ts.isStringLiteralLike(arg)) {
+            return arg;
+        }
+        return node;
+    }
+    ts.getElementOrPropertyAccessArgumentExpressionOrName = getElementOrPropertyAccessArgumentExpressionOrName;
+    function getElementOrPropertyAccessName(node) {
+        var name = getElementOrPropertyAccessArgumentExpressionOrName(node);
+        if (name) {
+            if (ts.isIdentifier(name)) {
+                return name.escapedText;
+            }
+            if (ts.isStringLiteralLike(name) || ts.isNumericLiteral(name)) {
+                return ts.escapeLeadingUnderscores(name.text);
+            }
+        }
+        return undefined;
+    }
+    ts.getElementOrPropertyAccessName = getElementOrPropertyAccessName;
+    function getAssignmentDeclarationPropertyAccessKind(lhs) {
+        if (lhs.expression.kind === 108 /* SyntaxKind.ThisKeyword */) {
+            return 4 /* AssignmentDeclarationKind.ThisProperty */;
+        }
+        else if (isModuleExportsAccessExpression(lhs)) {
+            // module.exports = expr
+            return 2 /* AssignmentDeclarationKind.ModuleExports */;
+        }
+        else if (isBindableStaticNameExpression(lhs.expression, /*excludeThisKeyword*/ true)) {
+            if (isPrototypeAccess(lhs.expression)) {
+                // F.G....prototype.x = expr
+                return 3 /* AssignmentDeclarationKind.PrototypeProperty */;
+            }
+            var nextToLast = lhs;
+            while (!ts.isIdentifier(nextToLast.expression)) {
+                nextToLast = nextToLast.expression;
+            }
+            var id = nextToLast.expression;
+            if ((id.escapedText === "exports" ||
+                id.escapedText === "module" && getElementOrPropertyAccessName(nextToLast) === "exports") &&
+                // ExportsProperty does not support binding with computed names
+                isBindableStaticAccessExpression(lhs)) {
+                // exports.name = expr OR module.exports.name = expr OR exports["name"] = expr ...
+                return 1 /* AssignmentDeclarationKind.ExportsProperty */;
+            }
+            if (isBindableStaticNameExpression(lhs, /*excludeThisKeyword*/ true) || (ts.isElementAccessExpression(lhs) && isDynamicName(lhs))) {
+                // F.G...x = expr
+                return 5 /* AssignmentDeclarationKind.Property */;
+            }
+        }
+        return 0 /* AssignmentDeclarationKind.None */;
+    }
+    ts.getAssignmentDeclarationPropertyAccessKind = getAssignmentDeclarationPropertyAccessKind;
+    function getInitializerOfBinaryExpression(expr) {
+        while (ts.isBinaryExpression(expr.right)) {
+            expr = expr.right;
+        }
+        return expr.right;
+    }
+    ts.getInitializerOfBinaryExpression = getInitializerOfBinaryExpression;
+    function isPrototypePropertyAssignment(node) {
+        return ts.isBinaryExpression(node) && getAssignmentDeclarationKind(node) === 3 /* AssignmentDeclarationKind.PrototypeProperty */;
+    }
+    ts.isPrototypePropertyAssignment = isPrototypePropertyAssignment;
+    function isSpecialPropertyDeclaration(expr) {
+        return isInJSFile(expr) &&
+            expr.parent && expr.parent.kind === 238 /* SyntaxKind.ExpressionStatement */ &&
+            (!ts.isElementAccessExpression(expr) || isLiteralLikeElementAccess(expr)) &&
+            !!ts.getJSDocTypeTag(expr.parent);
+    }
+    ts.isSpecialPropertyDeclaration = isSpecialPropertyDeclaration;
+    function setValueDeclaration(symbol, node) {
+        var valueDeclaration = symbol.valueDeclaration;
+        if (!valueDeclaration ||
+            !(node.flags & 16777216 /* NodeFlags.Ambient */ && !(valueDeclaration.flags & 16777216 /* NodeFlags.Ambient */)) &&
+                (isAssignmentDeclaration(valueDeclaration) && !isAssignmentDeclaration(node)) ||
+            (valueDeclaration.kind !== node.kind && isEffectiveModuleDeclaration(valueDeclaration))) {
+            // other kinds of value declarations take precedence over modules and assignment declarations
+            symbol.valueDeclaration = node;
+        }
+    }
+    ts.setValueDeclaration = setValueDeclaration;
+    function isFunctionSymbol(symbol) {
+        if (!symbol || !symbol.valueDeclaration) {
+            return false;
+        }
+        var decl = symbol.valueDeclaration;
+        return decl.kind === 256 /* SyntaxKind.FunctionDeclaration */ || ts.isVariableDeclaration(decl) && decl.initializer && ts.isFunctionLike(decl.initializer);
+    }
+    ts.isFunctionSymbol = isFunctionSymbol;
+    function tryGetModuleSpecifierFromDeclaration(node) {
+        var _a, _b;
+        switch (node.kind) {
+            case 254 /* SyntaxKind.VariableDeclaration */:
+                return (_a = ts.findAncestor(node.initializer, function (node) { return isRequireCall(node, /*requireStringLiteralLikeArgument*/ true); })) === null || _a === void 0 ? void 0 : _a.arguments[0];
+            case 266 /* SyntaxKind.ImportDeclaration */:
+                return ts.tryCast(node.moduleSpecifier, ts.isStringLiteralLike);
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                return ts.tryCast((_b = ts.tryCast(node.moduleReference, ts.isExternalModuleReference)) === null || _b === void 0 ? void 0 : _b.expression, ts.isStringLiteralLike);
+            default:
+                ts.Debug.assertNever(node);
+        }
+    }
+    ts.tryGetModuleSpecifierFromDeclaration = tryGetModuleSpecifierFromDeclaration;
+    function importFromModuleSpecifier(node) {
+        return tryGetImportFromModuleSpecifier(node) || ts.Debug.failBadSyntaxKind(node.parent);
+    }
+    ts.importFromModuleSpecifier = importFromModuleSpecifier;
+    function tryGetImportFromModuleSpecifier(node) {
+        switch (node.parent.kind) {
+            case 266 /* SyntaxKind.ImportDeclaration */:
+            case 272 /* SyntaxKind.ExportDeclaration */:
+                return node.parent;
+            case 277 /* SyntaxKind.ExternalModuleReference */:
+                return node.parent.parent;
+            case 208 /* SyntaxKind.CallExpression */:
+                return isImportCall(node.parent) || isRequireCall(node.parent, /*checkArg*/ false) ? node.parent : undefined;
+            case 196 /* SyntaxKind.LiteralType */:
+                ts.Debug.assert(ts.isStringLiteral(node));
+                return ts.tryCast(node.parent.parent, ts.isImportTypeNode);
+            default:
+                return undefined;
+        }
+    }
+    ts.tryGetImportFromModuleSpecifier = tryGetImportFromModuleSpecifier;
+    function getExternalModuleName(node) {
+        switch (node.kind) {
+            case 266 /* SyntaxKind.ImportDeclaration */:
+            case 272 /* SyntaxKind.ExportDeclaration */:
+                return node.moduleSpecifier;
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                return node.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */ ? node.moduleReference.expression : undefined;
+            case 200 /* SyntaxKind.ImportType */:
+                return isLiteralImportTypeNode(node) ? node.argument.literal : undefined;
+            case 208 /* SyntaxKind.CallExpression */:
+                return node.arguments[0];
+            case 261 /* SyntaxKind.ModuleDeclaration */:
+                return node.name.kind === 10 /* SyntaxKind.StringLiteral */ ? node.name : undefined;
+            default:
+                return ts.Debug.assertNever(node);
+        }
+    }
+    ts.getExternalModuleName = getExternalModuleName;
+    function getNamespaceDeclarationNode(node) {
+        switch (node.kind) {
+            case 266 /* SyntaxKind.ImportDeclaration */:
+                return node.importClause && ts.tryCast(node.importClause.namedBindings, ts.isNamespaceImport);
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                return node;
+            case 272 /* SyntaxKind.ExportDeclaration */:
+                return node.exportClause && ts.tryCast(node.exportClause, ts.isNamespaceExport);
+            default:
+                return ts.Debug.assertNever(node);
+        }
+    }
+    ts.getNamespaceDeclarationNode = getNamespaceDeclarationNode;
+    function isDefaultImport(node) {
+        return node.kind === 266 /* SyntaxKind.ImportDeclaration */ && !!node.importClause && !!node.importClause.name;
+    }
+    ts.isDefaultImport = isDefaultImport;
+    function forEachImportClauseDeclaration(node, action) {
+        if (node.name) {
+            var result = action(node);
+            if (result)
+                return result;
+        }
+        if (node.namedBindings) {
+            var result = ts.isNamespaceImport(node.namedBindings)
+                ? action(node.namedBindings)
+                : ts.forEach(node.namedBindings.elements, action);
+            if (result)
+                return result;
+        }
+    }
+    ts.forEachImportClauseDeclaration = forEachImportClauseDeclaration;
+    function hasQuestionToken(node) {
+        if (node) {
+            switch (node.kind) {
+                case 164 /* SyntaxKind.Parameter */:
+                case 169 /* SyntaxKind.MethodDeclaration */:
+                case 168 /* SyntaxKind.MethodSignature */:
+                case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                case 296 /* SyntaxKind.PropertyAssignment */:
+                case 167 /* SyntaxKind.PropertyDeclaration */:
+                case 166 /* SyntaxKind.PropertySignature */:
+                    return node.questionToken !== undefined;
+            }
+        }
+        return false;
+    }
+    ts.hasQuestionToken = hasQuestionToken;
+    function isJSDocConstructSignature(node) {
+        var param = ts.isJSDocFunctionType(node) ? ts.firstOrUndefined(node.parameters) : undefined;
+        var name = ts.tryCast(param && param.name, ts.isIdentifier);
+        return !!name && name.escapedText === "new";
+    }
+    ts.isJSDocConstructSignature = isJSDocConstructSignature;
+    function isJSDocTypeAlias(node) {
+        return node.kind === 345 /* SyntaxKind.JSDocTypedefTag */ || node.kind === 338 /* SyntaxKind.JSDocCallbackTag */ || node.kind === 339 /* SyntaxKind.JSDocEnumTag */;
+    }
+    ts.isJSDocTypeAlias = isJSDocTypeAlias;
+    function isTypeAlias(node) {
+        return isJSDocTypeAlias(node) || ts.isTypeAliasDeclaration(node);
+    }
+    ts.isTypeAlias = isTypeAlias;
+    function getSourceOfAssignment(node) {
+        return ts.isExpressionStatement(node) &&
+            ts.isBinaryExpression(node.expression) &&
+            node.expression.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */
+            ? getRightMostAssignedExpression(node.expression)
+            : undefined;
+    }
+    function getSourceOfDefaultedAssignment(node) {
+        return ts.isExpressionStatement(node) &&
+            ts.isBinaryExpression(node.expression) &&
+            getAssignmentDeclarationKind(node.expression) !== 0 /* AssignmentDeclarationKind.None */ &&
+            ts.isBinaryExpression(node.expression.right) &&
+            (node.expression.right.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || node.expression.right.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */)
+            ? node.expression.right.right
+            : undefined;
+    }
+    function getSingleInitializerOfVariableStatementOrPropertyDeclaration(node) {
+        switch (node.kind) {
+            case 237 /* SyntaxKind.VariableStatement */:
+                var v = getSingleVariableOfVariableStatement(node);
+                return v && v.initializer;
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+                return node.initializer;
+            case 296 /* SyntaxKind.PropertyAssignment */:
+                return node.initializer;
+        }
+    }
+    ts.getSingleInitializerOfVariableStatementOrPropertyDeclaration = getSingleInitializerOfVariableStatementOrPropertyDeclaration;
+    function getSingleVariableOfVariableStatement(node) {
+        return ts.isVariableStatement(node) ? ts.firstOrUndefined(node.declarationList.declarations) : undefined;
+    }
+    ts.getSingleVariableOfVariableStatement = getSingleVariableOfVariableStatement;
+    function getNestedModuleDeclaration(node) {
+        return ts.isModuleDeclaration(node) &&
+            node.body &&
+            node.body.kind === 261 /* SyntaxKind.ModuleDeclaration */
+            ? node.body
+            : undefined;
+    }
+    function getJSDocCommentsAndTags(hostNode, noCache) {
+        var result;
+        // Pull parameter comments from declaring function as well
+        if (isVariableLike(hostNode) && ts.hasInitializer(hostNode) && ts.hasJSDocNodes(hostNode.initializer)) {
+            result = ts.addRange(result, filterOwnedJSDocTags(hostNode, ts.last(hostNode.initializer.jsDoc)));
+        }
+        var node = hostNode;
+        while (node && node.parent) {
+            if (ts.hasJSDocNodes(node)) {
+                result = ts.addRange(result, filterOwnedJSDocTags(hostNode, ts.last(node.jsDoc)));
+            }
+            if (node.kind === 164 /* SyntaxKind.Parameter */) {
+                result = ts.addRange(result, (noCache ? ts.getJSDocParameterTagsNoCache : ts.getJSDocParameterTags)(node));
+                break;
+            }
+            if (node.kind === 163 /* SyntaxKind.TypeParameter */) {
+                result = ts.addRange(result, (noCache ? ts.getJSDocTypeParameterTagsNoCache : ts.getJSDocTypeParameterTags)(node));
+                break;
+            }
+            node = getNextJSDocCommentLocation(node);
+        }
+        return result || ts.emptyArray;
+    }
+    ts.getJSDocCommentsAndTags = getJSDocCommentsAndTags;
+    function filterOwnedJSDocTags(hostNode, jsDoc) {
+        if (ts.isJSDoc(jsDoc)) {
+            var ownedTags = ts.filter(jsDoc.tags, function (tag) { return ownsJSDocTag(hostNode, tag); });
+            return jsDoc.tags === ownedTags ? [jsDoc] : ownedTags;
+        }
+        return ownsJSDocTag(hostNode, jsDoc) ? [jsDoc] : undefined;
+    }
+    /**
+     * Determines whether a host node owns a jsDoc tag. A `@type` tag attached to a
+     * a ParenthesizedExpression belongs only to the ParenthesizedExpression.
+     */
+    function ownsJSDocTag(hostNode, tag) {
+        return !ts.isJSDocTypeTag(tag)
+            || !tag.parent
+            || !ts.isJSDoc(tag.parent)
+            || !ts.isParenthesizedExpression(tag.parent.parent)
+            || tag.parent.parent === hostNode;
+    }
+    function getNextJSDocCommentLocation(node) {
+        var parent = node.parent;
+        if (parent.kind === 296 /* SyntaxKind.PropertyAssignment */ ||
+            parent.kind === 271 /* SyntaxKind.ExportAssignment */ ||
+            parent.kind === 167 /* SyntaxKind.PropertyDeclaration */ ||
+            parent.kind === 238 /* SyntaxKind.ExpressionStatement */ && node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ ||
+            parent.kind === 247 /* SyntaxKind.ReturnStatement */ ||
+            getNestedModuleDeclaration(parent) ||
+            ts.isBinaryExpression(node) && node.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) {
+            return parent;
+        }
+        // Try to recognize this pattern when node is initializer of variable declaration and JSDoc comments are on containing variable statement.
+        // /**
+        //   * @param {number} name
+        //   * @returns {number}
+        //   */
+        // var x = function(name) { return name.length; }
+        else if (parent.parent &&
+            (getSingleVariableOfVariableStatement(parent.parent) === node ||
+                ts.isBinaryExpression(parent) && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */)) {
+            return parent.parent;
+        }
+        else if (parent.parent && parent.parent.parent &&
+            (getSingleVariableOfVariableStatement(parent.parent.parent) ||
+                getSingleInitializerOfVariableStatementOrPropertyDeclaration(parent.parent.parent) === node ||
+                getSourceOfDefaultedAssignment(parent.parent.parent))) {
+            return parent.parent.parent;
+        }
+    }
+    ts.getNextJSDocCommentLocation = getNextJSDocCommentLocation;
+    /** Does the opposite of `getJSDocParameterTags`: given a JSDoc parameter, finds the parameter corresponding to it. */
+    function getParameterSymbolFromJSDoc(node) {
+        if (node.symbol) {
+            return node.symbol;
+        }
+        if (!ts.isIdentifier(node.name)) {
+            return undefined;
+        }
+        var name = node.name.escapedText;
+        var decl = getHostSignatureFromJSDoc(node);
+        if (!decl) {
+            return undefined;
+        }
+        var parameter = ts.find(decl.parameters, function (p) { return p.name.kind === 79 /* SyntaxKind.Identifier */ && p.name.escapedText === name; });
+        return parameter && parameter.symbol;
+    }
+    ts.getParameterSymbolFromJSDoc = getParameterSymbolFromJSDoc;
+    function getEffectiveContainerForJSDocTemplateTag(node) {
+        if (ts.isJSDoc(node.parent) && node.parent.tags) {
+            // A @template tag belongs to any @typedef, @callback, or @enum tags in the same comment block, if they exist.
+            var typeAlias = ts.find(node.parent.tags, isJSDocTypeAlias);
+            if (typeAlias) {
+                return typeAlias;
+            }
+        }
+        // otherwise it belongs to the host it annotates
+        return getHostSignatureFromJSDoc(node);
+    }
+    ts.getEffectiveContainerForJSDocTemplateTag = getEffectiveContainerForJSDocTemplateTag;
+    function getHostSignatureFromJSDoc(node) {
+        var host = getEffectiveJSDocHost(node);
+        if (host) {
+            return ts.isPropertySignature(host) && host.type && ts.isFunctionLike(host.type) ? host.type :
+                ts.isFunctionLike(host) ? host : undefined;
+        }
+        return undefined;
+    }
+    ts.getHostSignatureFromJSDoc = getHostSignatureFromJSDoc;
+    function getEffectiveJSDocHost(node) {
+        var host = getJSDocHost(node);
+        if (host) {
+            return getSourceOfDefaultedAssignment(host)
+                || getSourceOfAssignment(host)
+                || getSingleInitializerOfVariableStatementOrPropertyDeclaration(host)
+                || getSingleVariableOfVariableStatement(host)
+                || getNestedModuleDeclaration(host)
+                || host;
+        }
+    }
+    ts.getEffectiveJSDocHost = getEffectiveJSDocHost;
+    /** Use getEffectiveJSDocHost if you additionally need to look for jsdoc on parent nodes, like assignments. */
+    function getJSDocHost(node) {
+        var jsDoc = getJSDocRoot(node);
+        if (!jsDoc) {
+            return undefined;
+        }
+        var host = jsDoc.parent;
+        if (host && host.jsDoc && jsDoc === ts.lastOrUndefined(host.jsDoc)) {
+            return host;
+        }
+    }
+    ts.getJSDocHost = getJSDocHost;
+    function getJSDocRoot(node) {
+        return ts.findAncestor(node.parent, ts.isJSDoc);
+    }
+    ts.getJSDocRoot = getJSDocRoot;
+    function getTypeParameterFromJsDoc(node) {
+        var name = node.name.escapedText;
+        var typeParameters = node.parent.parent.parent.typeParameters;
+        return typeParameters && ts.find(typeParameters, function (p) { return p.name.escapedText === name; });
+    }
+    ts.getTypeParameterFromJsDoc = getTypeParameterFromJsDoc;
+    function hasRestParameter(s) {
+        var last = ts.lastOrUndefined(s.parameters);
+        return !!last && isRestParameter(last);
+    }
+    ts.hasRestParameter = hasRestParameter;
+    function isRestParameter(node) {
+        var type = ts.isJSDocParameterTag(node) ? (node.typeExpression && node.typeExpression.type) : node.type;
+        return node.dotDotDotToken !== undefined || !!type && type.kind === 318 /* SyntaxKind.JSDocVariadicType */;
+    }
+    ts.isRestParameter = isRestParameter;
+    function hasTypeArguments(node) {
+        return !!node.typeArguments;
+    }
+    ts.hasTypeArguments = hasTypeArguments;
+    var AssignmentKind;
+    (function (AssignmentKind) {
+        AssignmentKind[AssignmentKind["None"] = 0] = "None";
+        AssignmentKind[AssignmentKind["Definite"] = 1] = "Definite";
+        AssignmentKind[AssignmentKind["Compound"] = 2] = "Compound";
+    })(AssignmentKind = ts.AssignmentKind || (ts.AssignmentKind = {}));
+    function getAssignmentTargetKind(node) {
+        var parent = node.parent;
+        while (true) {
+            switch (parent.kind) {
+                case 221 /* SyntaxKind.BinaryExpression */:
+                    var binaryOperator = parent.operatorToken.kind;
+                    return isAssignmentOperator(binaryOperator) && parent.left === node ?
+                        binaryOperator === 63 /* SyntaxKind.EqualsToken */ || isLogicalOrCoalescingAssignmentOperator(binaryOperator) ? 1 /* AssignmentKind.Definite */ : 2 /* AssignmentKind.Compound */ :
+                        0 /* AssignmentKind.None */;
+                case 219 /* SyntaxKind.PrefixUnaryExpression */:
+                case 220 /* SyntaxKind.PostfixUnaryExpression */:
+                    var unaryOperator = parent.operator;
+                    return unaryOperator === 45 /* SyntaxKind.PlusPlusToken */ || unaryOperator === 46 /* SyntaxKind.MinusMinusToken */ ? 2 /* AssignmentKind.Compound */ : 0 /* AssignmentKind.None */;
+                case 243 /* SyntaxKind.ForInStatement */:
+                case 244 /* SyntaxKind.ForOfStatement */:
+                    return parent.initializer === node ? 1 /* AssignmentKind.Definite */ : 0 /* AssignmentKind.None */;
+                case 212 /* SyntaxKind.ParenthesizedExpression */:
+                case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                case 225 /* SyntaxKind.SpreadElement */:
+                case 230 /* SyntaxKind.NonNullExpression */:
+                    node = parent;
+                    break;
+                case 298 /* SyntaxKind.SpreadAssignment */:
+                    node = parent.parent;
+                    break;
+                case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                    if (parent.name !== node) {
+                        return 0 /* AssignmentKind.None */;
+                    }
+                    node = parent.parent;
+                    break;
+                case 296 /* SyntaxKind.PropertyAssignment */:
+                    if (parent.name === node) {
+                        return 0 /* AssignmentKind.None */;
+                    }
+                    node = parent.parent;
+                    break;
+                default:
+                    return 0 /* AssignmentKind.None */;
+            }
+            parent = node.parent;
+        }
+    }
+    ts.getAssignmentTargetKind = getAssignmentTargetKind;
+    // A node is an assignment target if it is on the left hand side of an '=' token, if it is parented by a property
+    // assignment in an object literal that is an assignment target, or if it is parented by an array literal that is
+    // an assignment target. Examples include 'a = xxx', '{ p: a } = xxx', '[{ a }] = xxx'.
+    // (Note that `p` is not a target in the above examples, only `a`.)
+    function isAssignmentTarget(node) {
+        return getAssignmentTargetKind(node) !== 0 /* AssignmentKind.None */;
+    }
+    ts.isAssignmentTarget = isAssignmentTarget;
+    /**
+     * Indicates whether a node could contain a `var` VariableDeclarationList that contributes to
+     * the same `var` declaration scope as the node's parent.
+     */
+    function isNodeWithPossibleHoistedDeclaration(node) {
+        switch (node.kind) {
+            case 235 /* SyntaxKind.Block */:
+            case 237 /* SyntaxKind.VariableStatement */:
+            case 248 /* SyntaxKind.WithStatement */:
+            case 239 /* SyntaxKind.IfStatement */:
+            case 249 /* SyntaxKind.SwitchStatement */:
+            case 263 /* SyntaxKind.CaseBlock */:
+            case 289 /* SyntaxKind.CaseClause */:
+            case 290 /* SyntaxKind.DefaultClause */:
+            case 250 /* SyntaxKind.LabeledStatement */:
+            case 242 /* SyntaxKind.ForStatement */:
+            case 243 /* SyntaxKind.ForInStatement */:
+            case 244 /* SyntaxKind.ForOfStatement */:
+            case 240 /* SyntaxKind.DoStatement */:
+            case 241 /* SyntaxKind.WhileStatement */:
+            case 252 /* SyntaxKind.TryStatement */:
+            case 292 /* SyntaxKind.CatchClause */:
+                return true;
+        }
+        return false;
+    }
+    ts.isNodeWithPossibleHoistedDeclaration = isNodeWithPossibleHoistedDeclaration;
+    function isValueSignatureDeclaration(node) {
+        return ts.isFunctionExpression(node) || ts.isArrowFunction(node) || ts.isMethodOrAccessor(node) || ts.isFunctionDeclaration(node) || ts.isConstructorDeclaration(node);
+    }
+    ts.isValueSignatureDeclaration = isValueSignatureDeclaration;
+    function walkUp(node, kind) {
+        while (node && node.kind === kind) {
+            node = node.parent;
+        }
+        return node;
+    }
+    function walkUpParenthesizedTypes(node) {
+        return walkUp(node, 191 /* SyntaxKind.ParenthesizedType */);
+    }
+    ts.walkUpParenthesizedTypes = walkUpParenthesizedTypes;
+    function walkUpParenthesizedExpressions(node) {
+        return walkUp(node, 212 /* SyntaxKind.ParenthesizedExpression */);
+    }
+    ts.walkUpParenthesizedExpressions = walkUpParenthesizedExpressions;
+    /**
+     * Walks up parenthesized types.
+     * It returns both the outermost parenthesized type and its parent.
+     * If given node is not a parenthesiezd type, undefined is return as the former.
+     */
+    function walkUpParenthesizedTypesAndGetParentAndChild(node) {
+        var child;
+        while (node && node.kind === 191 /* SyntaxKind.ParenthesizedType */) {
+            child = node;
+            node = node.parent;
+        }
+        return [child, node];
+    }
+    ts.walkUpParenthesizedTypesAndGetParentAndChild = walkUpParenthesizedTypesAndGetParentAndChild;
+    function skipParentheses(node, excludeJSDocTypeAssertions) {
+        var flags = excludeJSDocTypeAssertions ?
+            1 /* OuterExpressionKinds.Parentheses */ | 16 /* OuterExpressionKinds.ExcludeJSDocTypeAssertion */ :
+            1 /* OuterExpressionKinds.Parentheses */;
+        return ts.skipOuterExpressions(node, flags);
+    }
+    ts.skipParentheses = skipParentheses;
+    // a node is delete target iff. it is PropertyAccessExpression/ElementAccessExpression with parentheses skipped
+    function isDeleteTarget(node) {
+        if (node.kind !== 206 /* SyntaxKind.PropertyAccessExpression */ && node.kind !== 207 /* SyntaxKind.ElementAccessExpression */) {
+            return false;
+        }
+        node = walkUpParenthesizedExpressions(node.parent);
+        return node && node.kind === 215 /* SyntaxKind.DeleteExpression */;
+    }
+    ts.isDeleteTarget = isDeleteTarget;
+    function isNodeDescendantOf(node, ancestor) {
+        while (node) {
+            if (node === ancestor)
+                return true;
+            node = node.parent;
+        }
+        return false;
+    }
+    ts.isNodeDescendantOf = isNodeDescendantOf;
+    // True if `name` is the name of a declaration node
+    function isDeclarationName(name) {
+        return !ts.isSourceFile(name) && !ts.isBindingPattern(name) && ts.isDeclaration(name.parent) && name.parent.name === name;
+    }
+    ts.isDeclarationName = isDeclarationName;
+    // See GH#16030
+    function getDeclarationFromName(name) {
+        var parent = name.parent;
+        switch (name.kind) {
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 8 /* SyntaxKind.NumericLiteral */:
+                if (ts.isComputedPropertyName(parent))
+                    return parent.parent;
+            // falls through
+            case 79 /* SyntaxKind.Identifier */:
+                if (ts.isDeclaration(parent)) {
+                    return parent.name === name ? parent : undefined;
+                }
+                else if (ts.isQualifiedName(parent)) {
+                    var tag = parent.parent;
+                    return ts.isJSDocParameterTag(tag) && tag.name === parent ? tag : undefined;
+                }
+                else {
+                    var binExp = parent.parent;
+                    return ts.isBinaryExpression(binExp) &&
+                        getAssignmentDeclarationKind(binExp) !== 0 /* AssignmentDeclarationKind.None */ &&
+                        (binExp.left.symbol || binExp.symbol) &&
+                        ts.getNameOfDeclaration(binExp) === name
+                        ? binExp
+                        : undefined;
+                }
+            case 80 /* SyntaxKind.PrivateIdentifier */:
+                return ts.isDeclaration(parent) && parent.name === name ? parent : undefined;
+            default:
+                return undefined;
+        }
+    }
+    ts.getDeclarationFromName = getDeclarationFromName;
+    function isLiteralComputedPropertyDeclarationName(node) {
+        return isStringOrNumericLiteralLike(node) &&
+            node.parent.kind === 162 /* SyntaxKind.ComputedPropertyName */ &&
+            ts.isDeclaration(node.parent.parent);
+    }
+    ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName;
+    // Return true if the given identifier is classified as an IdentifierName
+    function isIdentifierName(node) {
+        var parent = node.parent;
+        switch (parent.kind) {
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+            case 166 /* SyntaxKind.PropertySignature */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 168 /* SyntaxKind.MethodSignature */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 299 /* SyntaxKind.EnumMember */:
+            case 296 /* SyntaxKind.PropertyAssignment */:
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+                // Name in member declaration or property name in property access
+                return parent.name === node;
+            case 161 /* SyntaxKind.QualifiedName */:
+                // Name on right hand side of dot in a type query or type reference
+                return parent.right === node;
+            case 203 /* SyntaxKind.BindingElement */:
+            case 270 /* SyntaxKind.ImportSpecifier */:
+                // Property name in binding element or import specifier
+                return parent.propertyName === node;
+            case 275 /* SyntaxKind.ExportSpecifier */:
+            case 285 /* SyntaxKind.JsxAttribute */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+            case 280 /* SyntaxKind.JsxOpeningElement */:
+            case 281 /* SyntaxKind.JsxClosingElement */:
+                // Any name in an export specifier or JSX Attribute or Jsx Element
+                return true;
+        }
+        return false;
+    }
+    ts.isIdentifierName = isIdentifierName;
+    // An alias symbol is created by one of the following declarations:
+    // import  = ...
+    // import  from ...
+    // import * as  from ...
+    // import { x as  } from ...
+    // export { x as  } from ...
+    // export * as ns  from ...
+    // export = 
+    // export default 
+    // module.exports = 
+    // module.exports.x = 
+    // const x = require("...")
+    // const { x } = require("...")
+    // const x = require("...").y
+    // const { x } = require("...").y
+    function isAliasSymbolDeclaration(node) {
+        if (node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ ||
+            node.kind === 264 /* SyntaxKind.NamespaceExportDeclaration */ ||
+            node.kind === 267 /* SyntaxKind.ImportClause */ && !!node.name ||
+            node.kind === 268 /* SyntaxKind.NamespaceImport */ ||
+            node.kind === 274 /* SyntaxKind.NamespaceExport */ ||
+            node.kind === 270 /* SyntaxKind.ImportSpecifier */ ||
+            node.kind === 275 /* SyntaxKind.ExportSpecifier */ ||
+            node.kind === 271 /* SyntaxKind.ExportAssignment */ && exportAssignmentIsAlias(node)) {
+            return true;
+        }
+        return isInJSFile(node) && (ts.isBinaryExpression(node) && getAssignmentDeclarationKind(node) === 2 /* AssignmentDeclarationKind.ModuleExports */ && exportAssignmentIsAlias(node) ||
+            ts.isPropertyAccessExpression(node)
+                && ts.isBinaryExpression(node.parent)
+                && node.parent.left === node
+                && node.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */
+                && isAliasableExpression(node.parent.right));
+    }
+    ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration;
+    function getAliasDeclarationFromName(node) {
+        switch (node.parent.kind) {
+            case 267 /* SyntaxKind.ImportClause */:
+            case 270 /* SyntaxKind.ImportSpecifier */:
+            case 268 /* SyntaxKind.NamespaceImport */:
+            case 275 /* SyntaxKind.ExportSpecifier */:
+            case 271 /* SyntaxKind.ExportAssignment */:
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+            case 274 /* SyntaxKind.NamespaceExport */:
+                return node.parent;
+            case 161 /* SyntaxKind.QualifiedName */:
+                do {
+                    node = node.parent;
+                } while (node.parent.kind === 161 /* SyntaxKind.QualifiedName */);
+                return getAliasDeclarationFromName(node);
+        }
+    }
+    ts.getAliasDeclarationFromName = getAliasDeclarationFromName;
+    function isAliasableExpression(e) {
+        return isEntityNameExpression(e) || ts.isClassExpression(e);
+    }
+    ts.isAliasableExpression = isAliasableExpression;
+    function exportAssignmentIsAlias(node) {
+        var e = getExportAssignmentExpression(node);
+        return isAliasableExpression(e);
+    }
+    ts.exportAssignmentIsAlias = exportAssignmentIsAlias;
+    function getExportAssignmentExpression(node) {
+        return ts.isExportAssignment(node) ? node.expression : node.right;
+    }
+    ts.getExportAssignmentExpression = getExportAssignmentExpression;
+    function getPropertyAssignmentAliasLikeExpression(node) {
+        return node.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ ? node.name : node.kind === 296 /* SyntaxKind.PropertyAssignment */ ? node.initializer :
+            node.parent.right;
+    }
+    ts.getPropertyAssignmentAliasLikeExpression = getPropertyAssignmentAliasLikeExpression;
+    function getEffectiveBaseTypeNode(node) {
+        var baseType = getClassExtendsHeritageElement(node);
+        if (baseType && isInJSFile(node)) {
+            // Prefer an @augments tag because it may have type parameters.
+            var tag = ts.getJSDocAugmentsTag(node);
+            if (tag) {
+                return tag.class;
+            }
+        }
+        return baseType;
+    }
+    ts.getEffectiveBaseTypeNode = getEffectiveBaseTypeNode;
+    function getClassExtendsHeritageElement(node) {
+        var heritageClause = getHeritageClause(node.heritageClauses, 94 /* SyntaxKind.ExtendsKeyword */);
+        return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined;
+    }
+    ts.getClassExtendsHeritageElement = getClassExtendsHeritageElement;
+    function getEffectiveImplementsTypeNodes(node) {
+        if (isInJSFile(node)) {
+            return ts.getJSDocImplementsTags(node).map(function (n) { return n.class; });
+        }
+        else {
+            var heritageClause = getHeritageClause(node.heritageClauses, 117 /* SyntaxKind.ImplementsKeyword */);
+            return heritageClause === null || heritageClause === void 0 ? void 0 : heritageClause.types;
+        }
+    }
+    ts.getEffectiveImplementsTypeNodes = getEffectiveImplementsTypeNodes;
+    /** Returns the node in an `extends` or `implements` clause of a class or interface. */
+    function getAllSuperTypeNodes(node) {
+        return ts.isInterfaceDeclaration(node) ? getInterfaceBaseTypeNodes(node) || ts.emptyArray :
+            ts.isClassLike(node) ? ts.concatenate(ts.singleElementArray(getEffectiveBaseTypeNode(node)), getEffectiveImplementsTypeNodes(node)) || ts.emptyArray :
+                ts.emptyArray;
+    }
+    ts.getAllSuperTypeNodes = getAllSuperTypeNodes;
+    function getInterfaceBaseTypeNodes(node) {
+        var heritageClause = getHeritageClause(node.heritageClauses, 94 /* SyntaxKind.ExtendsKeyword */);
+        return heritageClause ? heritageClause.types : undefined;
+    }
+    ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes;
+    function getHeritageClause(clauses, kind) {
+        if (clauses) {
+            for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) {
+                var clause = clauses_1[_i];
+                if (clause.token === kind) {
+                    return clause;
+                }
+            }
+        }
+        return undefined;
+    }
+    ts.getHeritageClause = getHeritageClause;
+    function getAncestor(node, kind) {
+        while (node) {
+            if (node.kind === kind) {
+                return node;
+            }
+            node = node.parent;
+        }
+        return undefined;
+    }
+    ts.getAncestor = getAncestor;
+    function isKeyword(token) {
+        return 81 /* SyntaxKind.FirstKeyword */ <= token && token <= 160 /* SyntaxKind.LastKeyword */;
+    }
+    ts.isKeyword = isKeyword;
+    function isContextualKeyword(token) {
+        return 126 /* SyntaxKind.FirstContextualKeyword */ <= token && token <= 160 /* SyntaxKind.LastContextualKeyword */;
+    }
+    ts.isContextualKeyword = isContextualKeyword;
+    function isNonContextualKeyword(token) {
+        return isKeyword(token) && !isContextualKeyword(token);
+    }
+    ts.isNonContextualKeyword = isNonContextualKeyword;
+    function isFutureReservedKeyword(token) {
+        return 117 /* SyntaxKind.FirstFutureReservedWord */ <= token && token <= 125 /* SyntaxKind.LastFutureReservedWord */;
+    }
+    ts.isFutureReservedKeyword = isFutureReservedKeyword;
+    function isStringANonContextualKeyword(name) {
+        var token = ts.stringToToken(name);
+        return token !== undefined && isNonContextualKeyword(token);
+    }
+    ts.isStringANonContextualKeyword = isStringANonContextualKeyword;
+    function isStringAKeyword(name) {
+        var token = ts.stringToToken(name);
+        return token !== undefined && isKeyword(token);
+    }
+    ts.isStringAKeyword = isStringAKeyword;
+    function isIdentifierANonContextualKeyword(_a) {
+        var originalKeywordKind = _a.originalKeywordKind;
+        return !!originalKeywordKind && !isContextualKeyword(originalKeywordKind);
+    }
+    ts.isIdentifierANonContextualKeyword = isIdentifierANonContextualKeyword;
+    function isTrivia(token) {
+        return 2 /* SyntaxKind.FirstTriviaToken */ <= token && token <= 7 /* SyntaxKind.LastTriviaToken */;
+    }
+    ts.isTrivia = isTrivia;
+    var FunctionFlags;
+    (function (FunctionFlags) {
+        FunctionFlags[FunctionFlags["Normal"] = 0] = "Normal";
+        FunctionFlags[FunctionFlags["Generator"] = 1] = "Generator";
+        FunctionFlags[FunctionFlags["Async"] = 2] = "Async";
+        FunctionFlags[FunctionFlags["Invalid"] = 4] = "Invalid";
+        FunctionFlags[FunctionFlags["AsyncGenerator"] = 3] = "AsyncGenerator";
+    })(FunctionFlags = ts.FunctionFlags || (ts.FunctionFlags = {}));
+    function getFunctionFlags(node) {
+        if (!node) {
+            return 4 /* FunctionFlags.Invalid */;
+        }
+        var flags = 0 /* FunctionFlags.Normal */;
+        switch (node.kind) {
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+                if (node.asteriskToken) {
+                    flags |= 1 /* FunctionFlags.Generator */;
+                }
+            // falls through
+            case 214 /* SyntaxKind.ArrowFunction */:
+                if (hasSyntacticModifier(node, 256 /* ModifierFlags.Async */)) {
+                    flags |= 2 /* FunctionFlags.Async */;
+                }
+                break;
+        }
+        if (!node.body) {
+            flags |= 4 /* FunctionFlags.Invalid */;
+        }
+        return flags;
+    }
+    ts.getFunctionFlags = getFunctionFlags;
+    function isAsyncFunction(node) {
+        switch (node.kind) {
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+            case 169 /* SyntaxKind.MethodDeclaration */:
+                return node.body !== undefined
+                    && node.asteriskToken === undefined
+                    && hasSyntacticModifier(node, 256 /* ModifierFlags.Async */);
+        }
+        return false;
+    }
+    ts.isAsyncFunction = isAsyncFunction;
+    function isStringOrNumericLiteralLike(node) {
+        return ts.isStringLiteralLike(node) || ts.isNumericLiteral(node);
+    }
+    ts.isStringOrNumericLiteralLike = isStringOrNumericLiteralLike;
+    function isSignedNumericLiteral(node) {
+        return ts.isPrefixUnaryExpression(node) && (node.operator === 39 /* SyntaxKind.PlusToken */ || node.operator === 40 /* SyntaxKind.MinusToken */) && ts.isNumericLiteral(node.operand);
+    }
+    ts.isSignedNumericLiteral = isSignedNumericLiteral;
+    /**
+     * A declaration has a dynamic name if all of the following are true:
+     *   1. The declaration has a computed property name.
+     *   2. The computed name is *not* expressed as a StringLiteral.
+     *   3. The computed name is *not* expressed as a NumericLiteral.
+     *   4. The computed name is *not* expressed as a PlusToken or MinusToken
+     *      immediately followed by a NumericLiteral.
+     */
+    function hasDynamicName(declaration) {
+        var name = ts.getNameOfDeclaration(declaration);
+        return !!name && isDynamicName(name);
+    }
+    ts.hasDynamicName = hasDynamicName;
+    function isDynamicName(name) {
+        if (!(name.kind === 162 /* SyntaxKind.ComputedPropertyName */ || name.kind === 207 /* SyntaxKind.ElementAccessExpression */)) {
+            return false;
+        }
+        var expr = ts.isElementAccessExpression(name) ? skipParentheses(name.argumentExpression) : name.expression;
+        return !isStringOrNumericLiteralLike(expr) &&
+            !isSignedNumericLiteral(expr);
+    }
+    ts.isDynamicName = isDynamicName;
+    function getPropertyNameForPropertyNameNode(name) {
+        switch (name.kind) {
+            case 79 /* SyntaxKind.Identifier */:
+            case 80 /* SyntaxKind.PrivateIdentifier */:
+                return name.escapedText;
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 8 /* SyntaxKind.NumericLiteral */:
+                return ts.escapeLeadingUnderscores(name.text);
+            case 162 /* SyntaxKind.ComputedPropertyName */:
+                var nameExpression = name.expression;
+                if (isStringOrNumericLiteralLike(nameExpression)) {
+                    return ts.escapeLeadingUnderscores(nameExpression.text);
+                }
+                else if (isSignedNumericLiteral(nameExpression)) {
+                    if (nameExpression.operator === 40 /* SyntaxKind.MinusToken */) {
+                        return ts.tokenToString(nameExpression.operator) + nameExpression.operand.text;
+                    }
+                    return nameExpression.operand.text;
+                }
+                return undefined;
+            default:
+                return ts.Debug.assertNever(name);
+        }
+    }
+    ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode;
+    function isPropertyNameLiteral(node) {
+        switch (node.kind) {
+            case 79 /* SyntaxKind.Identifier */:
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 8 /* SyntaxKind.NumericLiteral */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isPropertyNameLiteral = isPropertyNameLiteral;
+    function getTextOfIdentifierOrLiteral(node) {
+        return ts.isMemberName(node) ? ts.idText(node) : node.text;
+    }
+    ts.getTextOfIdentifierOrLiteral = getTextOfIdentifierOrLiteral;
+    function getEscapedTextOfIdentifierOrLiteral(node) {
+        return ts.isMemberName(node) ? node.escapedText : ts.escapeLeadingUnderscores(node.text);
+    }
+    ts.getEscapedTextOfIdentifierOrLiteral = getEscapedTextOfIdentifierOrLiteral;
+    function getPropertyNameForUniqueESSymbol(symbol) {
+        return "__@".concat(ts.getSymbolId(symbol), "@").concat(symbol.escapedName);
+    }
+    ts.getPropertyNameForUniqueESSymbol = getPropertyNameForUniqueESSymbol;
+    function getSymbolNameForPrivateIdentifier(containingClassSymbol, description) {
+        return "__#".concat(ts.getSymbolId(containingClassSymbol), "@").concat(description);
+    }
+    ts.getSymbolNameForPrivateIdentifier = getSymbolNameForPrivateIdentifier;
+    function isKnownSymbol(symbol) {
+        return ts.startsWith(symbol.escapedName, "__@");
+    }
+    ts.isKnownSymbol = isKnownSymbol;
+    function isPrivateIdentifierSymbol(symbol) {
+        return ts.startsWith(symbol.escapedName, "__#");
+    }
+    ts.isPrivateIdentifierSymbol = isPrivateIdentifierSymbol;
+    /**
+     * Includes the word "Symbol" with unicode escapes
+     */
+    function isESSymbolIdentifier(node) {
+        return node.kind === 79 /* SyntaxKind.Identifier */ && node.escapedText === "Symbol";
+    }
+    ts.isESSymbolIdentifier = isESSymbolIdentifier;
+    function isPushOrUnshiftIdentifier(node) {
+        return node.escapedText === "push" || node.escapedText === "unshift";
+    }
+    ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier;
+    function isParameterDeclaration(node) {
+        var root = getRootDeclaration(node);
+        return root.kind === 164 /* SyntaxKind.Parameter */;
+    }
+    ts.isParameterDeclaration = isParameterDeclaration;
+    function getRootDeclaration(node) {
+        while (node.kind === 203 /* SyntaxKind.BindingElement */) {
+            node = node.parent.parent;
+        }
+        return node;
+    }
+    ts.getRootDeclaration = getRootDeclaration;
+    function nodeStartsNewLexicalEnvironment(node) {
+        var kind = node.kind;
+        return kind === 171 /* SyntaxKind.Constructor */
+            || kind === 213 /* SyntaxKind.FunctionExpression */
+            || kind === 256 /* SyntaxKind.FunctionDeclaration */
+            || kind === 214 /* SyntaxKind.ArrowFunction */
+            || kind === 169 /* SyntaxKind.MethodDeclaration */
+            || kind === 172 /* SyntaxKind.GetAccessor */
+            || kind === 173 /* SyntaxKind.SetAccessor */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */
+            || kind === 305 /* SyntaxKind.SourceFile */;
+    }
+    ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment;
+    function nodeIsSynthesized(range) {
+        return positionIsSynthesized(range.pos)
+            || positionIsSynthesized(range.end);
+    }
+    ts.nodeIsSynthesized = nodeIsSynthesized;
+    function getOriginalSourceFile(sourceFile) {
+        return ts.getParseTreeNode(sourceFile, ts.isSourceFile) || sourceFile;
+    }
+    ts.getOriginalSourceFile = getOriginalSourceFile;
+    var Associativity;
+    (function (Associativity) {
+        Associativity[Associativity["Left"] = 0] = "Left";
+        Associativity[Associativity["Right"] = 1] = "Right";
+    })(Associativity = ts.Associativity || (ts.Associativity = {}));
+    function getExpressionAssociativity(expression) {
+        var operator = getOperator(expression);
+        var hasArguments = expression.kind === 209 /* SyntaxKind.NewExpression */ && expression.arguments !== undefined;
+        return getOperatorAssociativity(expression.kind, operator, hasArguments);
+    }
+    ts.getExpressionAssociativity = getExpressionAssociativity;
+    function getOperatorAssociativity(kind, operator, hasArguments) {
+        switch (kind) {
+            case 209 /* SyntaxKind.NewExpression */:
+                return hasArguments ? 0 /* Associativity.Left */ : 1 /* Associativity.Right */;
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+            case 216 /* SyntaxKind.TypeOfExpression */:
+            case 217 /* SyntaxKind.VoidExpression */:
+            case 215 /* SyntaxKind.DeleteExpression */:
+            case 218 /* SyntaxKind.AwaitExpression */:
+            case 222 /* SyntaxKind.ConditionalExpression */:
+            case 224 /* SyntaxKind.YieldExpression */:
+                return 1 /* Associativity.Right */;
+            case 221 /* SyntaxKind.BinaryExpression */:
+                switch (operator) {
+                    case 42 /* SyntaxKind.AsteriskAsteriskToken */:
+                    case 63 /* SyntaxKind.EqualsToken */:
+                    case 64 /* SyntaxKind.PlusEqualsToken */:
+                    case 65 /* SyntaxKind.MinusEqualsToken */:
+                    case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */:
+                    case 66 /* SyntaxKind.AsteriskEqualsToken */:
+                    case 68 /* SyntaxKind.SlashEqualsToken */:
+                    case 69 /* SyntaxKind.PercentEqualsToken */:
+                    case 70 /* SyntaxKind.LessThanLessThanEqualsToken */:
+                    case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */:
+                    case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */:
+                    case 73 /* SyntaxKind.AmpersandEqualsToken */:
+                    case 78 /* SyntaxKind.CaretEqualsToken */:
+                    case 74 /* SyntaxKind.BarEqualsToken */:
+                    case 75 /* SyntaxKind.BarBarEqualsToken */:
+                    case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */:
+                    case 77 /* SyntaxKind.QuestionQuestionEqualsToken */:
+                        return 1 /* Associativity.Right */;
+                }
+        }
+        return 0 /* Associativity.Left */;
+    }
+    ts.getOperatorAssociativity = getOperatorAssociativity;
+    function getExpressionPrecedence(expression) {
+        var operator = getOperator(expression);
+        var hasArguments = expression.kind === 209 /* SyntaxKind.NewExpression */ && expression.arguments !== undefined;
+        return getOperatorPrecedence(expression.kind, operator, hasArguments);
+    }
+    ts.getExpressionPrecedence = getExpressionPrecedence;
+    function getOperator(expression) {
+        if (expression.kind === 221 /* SyntaxKind.BinaryExpression */) {
+            return expression.operatorToken.kind;
+        }
+        else if (expression.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ || expression.kind === 220 /* SyntaxKind.PostfixUnaryExpression */) {
+            return expression.operator;
+        }
+        else {
+            return expression.kind;
+        }
+    }
+    ts.getOperator = getOperator;
+    var OperatorPrecedence;
+    (function (OperatorPrecedence) {
+        // Expression:
+        //     AssignmentExpression
+        //     Expression `,` AssignmentExpression
+        OperatorPrecedence[OperatorPrecedence["Comma"] = 0] = "Comma";
+        // NOTE: `Spread` is higher than `Comma` due to how it is parsed in |ElementList|
+        // SpreadElement:
+        //     `...` AssignmentExpression
+        OperatorPrecedence[OperatorPrecedence["Spread"] = 1] = "Spread";
+        // AssignmentExpression:
+        //     ConditionalExpression
+        //     YieldExpression
+        //     ArrowFunction
+        //     AsyncArrowFunction
+        //     LeftHandSideExpression `=` AssignmentExpression
+        //     LeftHandSideExpression AssignmentOperator AssignmentExpression
+        //
+        // NOTE: AssignmentExpression is broken down into several precedences due to the requirements
+        //       of the parenthesizer rules.
+        // AssignmentExpression: YieldExpression
+        // YieldExpression:
+        //     `yield`
+        //     `yield` AssignmentExpression
+        //     `yield` `*` AssignmentExpression
+        OperatorPrecedence[OperatorPrecedence["Yield"] = 2] = "Yield";
+        // AssignmentExpression: LeftHandSideExpression `=` AssignmentExpression
+        // AssignmentExpression: LeftHandSideExpression AssignmentOperator AssignmentExpression
+        // AssignmentOperator: one of
+        //     `*=` `/=` `%=` `+=` `-=` `<<=` `>>=` `>>>=` `&=` `^=` `|=` `**=`
+        OperatorPrecedence[OperatorPrecedence["Assignment"] = 3] = "Assignment";
+        // NOTE: `Conditional` is considered higher than `Assignment` here, but in reality they have
+        //       the same precedence.
+        // AssignmentExpression: ConditionalExpression
+        // ConditionalExpression:
+        //     ShortCircuitExpression
+        //     ShortCircuitExpression `?` AssignmentExpression `:` AssignmentExpression
+        // ShortCircuitExpression:
+        //     LogicalORExpression
+        //     CoalesceExpression
+        OperatorPrecedence[OperatorPrecedence["Conditional"] = 4] = "Conditional";
+        // CoalesceExpression:
+        //     CoalesceExpressionHead `??` BitwiseORExpression
+        // CoalesceExpressionHead:
+        //     CoalesceExpression
+        //     BitwiseORExpression
+        OperatorPrecedence[OperatorPrecedence["Coalesce"] = 4] = "Coalesce";
+        // LogicalORExpression:
+        //     LogicalANDExpression
+        //     LogicalORExpression `||` LogicalANDExpression
+        OperatorPrecedence[OperatorPrecedence["LogicalOR"] = 5] = "LogicalOR";
+        // LogicalANDExpression:
+        //     BitwiseORExpression
+        //     LogicalANDExprerssion `&&` BitwiseORExpression
+        OperatorPrecedence[OperatorPrecedence["LogicalAND"] = 6] = "LogicalAND";
+        // BitwiseORExpression:
+        //     BitwiseXORExpression
+        //     BitwiseORExpression `^` BitwiseXORExpression
+        OperatorPrecedence[OperatorPrecedence["BitwiseOR"] = 7] = "BitwiseOR";
+        // BitwiseXORExpression:
+        //     BitwiseANDExpression
+        //     BitwiseXORExpression `^` BitwiseANDExpression
+        OperatorPrecedence[OperatorPrecedence["BitwiseXOR"] = 8] = "BitwiseXOR";
+        // BitwiseANDExpression:
+        //     EqualityExpression
+        //     BitwiseANDExpression `^` EqualityExpression
+        OperatorPrecedence[OperatorPrecedence["BitwiseAND"] = 9] = "BitwiseAND";
+        // EqualityExpression:
+        //     RelationalExpression
+        //     EqualityExpression `==` RelationalExpression
+        //     EqualityExpression `!=` RelationalExpression
+        //     EqualityExpression `===` RelationalExpression
+        //     EqualityExpression `!==` RelationalExpression
+        OperatorPrecedence[OperatorPrecedence["Equality"] = 10] = "Equality";
+        // RelationalExpression:
+        //     ShiftExpression
+        //     RelationalExpression `<` ShiftExpression
+        //     RelationalExpression `>` ShiftExpression
+        //     RelationalExpression `<=` ShiftExpression
+        //     RelationalExpression `>=` ShiftExpression
+        //     RelationalExpression `instanceof` ShiftExpression
+        //     RelationalExpression `in` ShiftExpression
+        //     [+TypeScript] RelationalExpression `as` Type
+        OperatorPrecedence[OperatorPrecedence["Relational"] = 11] = "Relational";
+        // ShiftExpression:
+        //     AdditiveExpression
+        //     ShiftExpression `<<` AdditiveExpression
+        //     ShiftExpression `>>` AdditiveExpression
+        //     ShiftExpression `>>>` AdditiveExpression
+        OperatorPrecedence[OperatorPrecedence["Shift"] = 12] = "Shift";
+        // AdditiveExpression:
+        //     MultiplicativeExpression
+        //     AdditiveExpression `+` MultiplicativeExpression
+        //     AdditiveExpression `-` MultiplicativeExpression
+        OperatorPrecedence[OperatorPrecedence["Additive"] = 13] = "Additive";
+        // MultiplicativeExpression:
+        //     ExponentiationExpression
+        //     MultiplicativeExpression MultiplicativeOperator ExponentiationExpression
+        // MultiplicativeOperator: one of `*`, `/`, `%`
+        OperatorPrecedence[OperatorPrecedence["Multiplicative"] = 14] = "Multiplicative";
+        // ExponentiationExpression:
+        //     UnaryExpression
+        //     UpdateExpression `**` ExponentiationExpression
+        OperatorPrecedence[OperatorPrecedence["Exponentiation"] = 15] = "Exponentiation";
+        // UnaryExpression:
+        //     UpdateExpression
+        //     `delete` UnaryExpression
+        //     `void` UnaryExpression
+        //     `typeof` UnaryExpression
+        //     `+` UnaryExpression
+        //     `-` UnaryExpression
+        //     `~` UnaryExpression
+        //     `!` UnaryExpression
+        //     AwaitExpression
+        // UpdateExpression:            // TODO: Do we need to investigate the precedence here?
+        //     `++` UnaryExpression
+        //     `--` UnaryExpression
+        OperatorPrecedence[OperatorPrecedence["Unary"] = 16] = "Unary";
+        // UpdateExpression:
+        //     LeftHandSideExpression
+        //     LeftHandSideExpression `++`
+        //     LeftHandSideExpression `--`
+        OperatorPrecedence[OperatorPrecedence["Update"] = 17] = "Update";
+        // LeftHandSideExpression:
+        //     NewExpression
+        //     CallExpression
+        // NewExpression:
+        //     MemberExpression
+        //     `new` NewExpression
+        OperatorPrecedence[OperatorPrecedence["LeftHandSide"] = 18] = "LeftHandSide";
+        // CallExpression:
+        //     CoverCallExpressionAndAsyncArrowHead
+        //     SuperCall
+        //     ImportCall
+        //     CallExpression Arguments
+        //     CallExpression `[` Expression `]`
+        //     CallExpression `.` IdentifierName
+        //     CallExpression TemplateLiteral
+        // MemberExpression:
+        //     PrimaryExpression
+        //     MemberExpression `[` Expression `]`
+        //     MemberExpression `.` IdentifierName
+        //     MemberExpression TemplateLiteral
+        //     SuperProperty
+        //     MetaProperty
+        //     `new` MemberExpression Arguments
+        OperatorPrecedence[OperatorPrecedence["Member"] = 19] = "Member";
+        // TODO: JSXElement?
+        // PrimaryExpression:
+        //     `this`
+        //     IdentifierReference
+        //     Literal
+        //     ArrayLiteral
+        //     ObjectLiteral
+        //     FunctionExpression
+        //     ClassExpression
+        //     GeneratorExpression
+        //     AsyncFunctionExpression
+        //     AsyncGeneratorExpression
+        //     RegularExpressionLiteral
+        //     TemplateLiteral
+        //     CoverParenthesizedExpressionAndArrowParameterList
+        OperatorPrecedence[OperatorPrecedence["Primary"] = 20] = "Primary";
+        OperatorPrecedence[OperatorPrecedence["Highest"] = 20] = "Highest";
+        OperatorPrecedence[OperatorPrecedence["Lowest"] = 0] = "Lowest";
+        // -1 is lower than all other precedences. Returning it will cause binary expression
+        // parsing to stop.
+        OperatorPrecedence[OperatorPrecedence["Invalid"] = -1] = "Invalid";
+    })(OperatorPrecedence = ts.OperatorPrecedence || (ts.OperatorPrecedence = {}));
+    function getOperatorPrecedence(nodeKind, operatorKind, hasArguments) {
+        switch (nodeKind) {
+            case 351 /* SyntaxKind.CommaListExpression */:
+                return 0 /* OperatorPrecedence.Comma */;
+            case 225 /* SyntaxKind.SpreadElement */:
+                return 1 /* OperatorPrecedence.Spread */;
+            case 224 /* SyntaxKind.YieldExpression */:
+                return 2 /* OperatorPrecedence.Yield */;
+            case 222 /* SyntaxKind.ConditionalExpression */:
+                return 4 /* OperatorPrecedence.Conditional */;
+            case 221 /* SyntaxKind.BinaryExpression */:
+                switch (operatorKind) {
+                    case 27 /* SyntaxKind.CommaToken */:
+                        return 0 /* OperatorPrecedence.Comma */;
+                    case 63 /* SyntaxKind.EqualsToken */:
+                    case 64 /* SyntaxKind.PlusEqualsToken */:
+                    case 65 /* SyntaxKind.MinusEqualsToken */:
+                    case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */:
+                    case 66 /* SyntaxKind.AsteriskEqualsToken */:
+                    case 68 /* SyntaxKind.SlashEqualsToken */:
+                    case 69 /* SyntaxKind.PercentEqualsToken */:
+                    case 70 /* SyntaxKind.LessThanLessThanEqualsToken */:
+                    case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */:
+                    case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */:
+                    case 73 /* SyntaxKind.AmpersandEqualsToken */:
+                    case 78 /* SyntaxKind.CaretEqualsToken */:
+                    case 74 /* SyntaxKind.BarEqualsToken */:
+                    case 75 /* SyntaxKind.BarBarEqualsToken */:
+                    case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */:
+                    case 77 /* SyntaxKind.QuestionQuestionEqualsToken */:
+                        return 3 /* OperatorPrecedence.Assignment */;
+                    default:
+                        return getBinaryOperatorPrecedence(operatorKind);
+                }
+            // TODO: Should prefix `++` and `--` be moved to the `Update` precedence?
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+            case 230 /* SyntaxKind.NonNullExpression */:
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+            case 216 /* SyntaxKind.TypeOfExpression */:
+            case 217 /* SyntaxKind.VoidExpression */:
+            case 215 /* SyntaxKind.DeleteExpression */:
+            case 218 /* SyntaxKind.AwaitExpression */:
+                return 16 /* OperatorPrecedence.Unary */;
+            case 220 /* SyntaxKind.PostfixUnaryExpression */:
+                return 17 /* OperatorPrecedence.Update */;
+            case 208 /* SyntaxKind.CallExpression */:
+                return 18 /* OperatorPrecedence.LeftHandSide */;
+            case 209 /* SyntaxKind.NewExpression */:
+                return hasArguments ? 19 /* OperatorPrecedence.Member */ : 18 /* OperatorPrecedence.LeftHandSide */;
+            case 210 /* SyntaxKind.TaggedTemplateExpression */:
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+            case 207 /* SyntaxKind.ElementAccessExpression */:
+            case 231 /* SyntaxKind.MetaProperty */:
+                return 19 /* OperatorPrecedence.Member */;
+            case 229 /* SyntaxKind.AsExpression */:
+                return 11 /* OperatorPrecedence.Relational */;
+            case 108 /* SyntaxKind.ThisKeyword */:
+            case 106 /* SyntaxKind.SuperKeyword */:
+            case 79 /* SyntaxKind.Identifier */:
+            case 80 /* SyntaxKind.PrivateIdentifier */:
+            case 104 /* SyntaxKind.NullKeyword */:
+            case 110 /* SyntaxKind.TrueKeyword */:
+            case 95 /* SyntaxKind.FalseKeyword */:
+            case 8 /* SyntaxKind.NumericLiteral */:
+            case 9 /* SyntaxKind.BigIntLiteral */:
+            case 10 /* SyntaxKind.StringLiteral */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+            case 226 /* SyntaxKind.ClassExpression */:
+            case 13 /* SyntaxKind.RegularExpressionLiteral */:
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 223 /* SyntaxKind.TemplateExpression */:
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+            case 227 /* SyntaxKind.OmittedExpression */:
+            case 278 /* SyntaxKind.JsxElement */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+            case 282 /* SyntaxKind.JsxFragment */:
+                return 20 /* OperatorPrecedence.Primary */;
+            default:
+                return -1 /* OperatorPrecedence.Invalid */;
+        }
+    }
+    ts.getOperatorPrecedence = getOperatorPrecedence;
+    function getBinaryOperatorPrecedence(kind) {
+        switch (kind) {
+            case 60 /* SyntaxKind.QuestionQuestionToken */:
+                return 4 /* OperatorPrecedence.Coalesce */;
+            case 56 /* SyntaxKind.BarBarToken */:
+                return 5 /* OperatorPrecedence.LogicalOR */;
+            case 55 /* SyntaxKind.AmpersandAmpersandToken */:
+                return 6 /* OperatorPrecedence.LogicalAND */;
+            case 51 /* SyntaxKind.BarToken */:
+                return 7 /* OperatorPrecedence.BitwiseOR */;
+            case 52 /* SyntaxKind.CaretToken */:
+                return 8 /* OperatorPrecedence.BitwiseXOR */;
+            case 50 /* SyntaxKind.AmpersandToken */:
+                return 9 /* OperatorPrecedence.BitwiseAND */;
+            case 34 /* SyntaxKind.EqualsEqualsToken */:
+            case 35 /* SyntaxKind.ExclamationEqualsToken */:
+            case 36 /* SyntaxKind.EqualsEqualsEqualsToken */:
+            case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */:
+                return 10 /* OperatorPrecedence.Equality */;
+            case 29 /* SyntaxKind.LessThanToken */:
+            case 31 /* SyntaxKind.GreaterThanToken */:
+            case 32 /* SyntaxKind.LessThanEqualsToken */:
+            case 33 /* SyntaxKind.GreaterThanEqualsToken */:
+            case 102 /* SyntaxKind.InstanceOfKeyword */:
+            case 101 /* SyntaxKind.InKeyword */:
+            case 127 /* SyntaxKind.AsKeyword */:
+                return 11 /* OperatorPrecedence.Relational */;
+            case 47 /* SyntaxKind.LessThanLessThanToken */:
+            case 48 /* SyntaxKind.GreaterThanGreaterThanToken */:
+            case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */:
+                return 12 /* OperatorPrecedence.Shift */;
+            case 39 /* SyntaxKind.PlusToken */:
+            case 40 /* SyntaxKind.MinusToken */:
+                return 13 /* OperatorPrecedence.Additive */;
+            case 41 /* SyntaxKind.AsteriskToken */:
+            case 43 /* SyntaxKind.SlashToken */:
+            case 44 /* SyntaxKind.PercentToken */:
+                return 14 /* OperatorPrecedence.Multiplicative */;
+            case 42 /* SyntaxKind.AsteriskAsteriskToken */:
+                return 15 /* OperatorPrecedence.Exponentiation */;
+        }
+        // -1 is lower than all other precedences.  Returning it will cause binary expression
+        // parsing to stop.
+        return -1;
+    }
+    ts.getBinaryOperatorPrecedence = getBinaryOperatorPrecedence;
+    function getSemanticJsxChildren(children) {
+        return ts.filter(children, function (i) {
+            switch (i.kind) {
+                case 288 /* SyntaxKind.JsxExpression */:
+                    return !!i.expression;
+                case 11 /* SyntaxKind.JsxText */:
+                    return !i.containsOnlyTriviaWhiteSpaces;
+                default:
+                    return true;
+            }
+        });
+    }
+    ts.getSemanticJsxChildren = getSemanticJsxChildren;
+    function createDiagnosticCollection() {
+        var nonFileDiagnostics = []; // See GH#19873
+        var filesWithDiagnostics = [];
+        var fileDiagnostics = new ts.Map();
+        var hasReadNonFileDiagnostics = false;
+        return {
+            add: add,
+            lookup: lookup,
+            getGlobalDiagnostics: getGlobalDiagnostics,
+            getDiagnostics: getDiagnostics,
+        };
+        function lookup(diagnostic) {
+            var diagnostics;
+            if (diagnostic.file) {
+                diagnostics = fileDiagnostics.get(diagnostic.file.fileName);
+            }
+            else {
+                diagnostics = nonFileDiagnostics;
+            }
+            if (!diagnostics) {
+                return undefined;
+            }
+            var result = ts.binarySearch(diagnostics, diagnostic, ts.identity, compareDiagnosticsSkipRelatedInformation);
+            if (result >= 0) {
+                return diagnostics[result];
+            }
+            return undefined;
+        }
+        function add(diagnostic) {
+            var diagnostics;
+            if (diagnostic.file) {
+                diagnostics = fileDiagnostics.get(diagnostic.file.fileName);
+                if (!diagnostics) {
+                    diagnostics = []; // See GH#19873
+                    fileDiagnostics.set(diagnostic.file.fileName, diagnostics);
+                    ts.insertSorted(filesWithDiagnostics, diagnostic.file.fileName, ts.compareStringsCaseSensitive);
+                }
+            }
+            else {
+                // If we've already read the non-file diagnostics, do not modify the existing array.
+                if (hasReadNonFileDiagnostics) {
+                    hasReadNonFileDiagnostics = false;
+                    nonFileDiagnostics = nonFileDiagnostics.slice();
+                }
+                diagnostics = nonFileDiagnostics;
+            }
+            ts.insertSorted(diagnostics, diagnostic, compareDiagnostics);
+        }
+        function getGlobalDiagnostics() {
+            hasReadNonFileDiagnostics = true;
+            return nonFileDiagnostics;
+        }
+        function getDiagnostics(fileName) {
+            if (fileName) {
+                return fileDiagnostics.get(fileName) || [];
+            }
+            var fileDiags = ts.flatMapToMutable(filesWithDiagnostics, function (f) { return fileDiagnostics.get(f); });
+            if (!nonFileDiagnostics.length) {
+                return fileDiags;
+            }
+            fileDiags.unshift.apply(fileDiags, nonFileDiagnostics);
+            return fileDiags;
+        }
+    }
+    ts.createDiagnosticCollection = createDiagnosticCollection;
+    var templateSubstitutionRegExp = /\$\{/g;
+    function escapeTemplateSubstitution(str) {
+        return str.replace(templateSubstitutionRegExp, "\\${");
+    }
+    /** @internal */
+    function hasInvalidEscape(template) {
+        return template && !!(ts.isNoSubstitutionTemplateLiteral(template)
+            ? template.templateFlags
+            : (template.head.templateFlags || ts.some(template.templateSpans, function (span) { return !!span.literal.templateFlags; })));
+    }
+    ts.hasInvalidEscape = hasInvalidEscape;
+    // This consists of the first 19 unprintable ASCII characters, canonical escapes, lineSeparator,
+    // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in
+    // the language service. These characters should be escaped when printing, and if any characters are added,
+    // the map below must be updated. Note that this regexp *does not* include the 'delete' character.
+    // There is no reason for this other than that JSON.stringify does not handle it either.
+    var doubleQuoteEscapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
+    var singleQuoteEscapedCharsRegExp = /[\\\'\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
+    // Template strings preserve simple LF newlines, still encode CRLF (or CR)
+    var backtickQuoteEscapedCharsRegExp = /\r\n|[\\\`\u0000-\u001f\t\v\f\b\r\u2028\u2029\u0085]/g;
+    var escapedCharsMap = new ts.Map(ts.getEntries({
+        "\t": "\\t",
+        "\v": "\\v",
+        "\f": "\\f",
+        "\b": "\\b",
+        "\r": "\\r",
+        "\n": "\\n",
+        "\\": "\\\\",
+        "\"": "\\\"",
+        "\'": "\\\'",
+        "\`": "\\\`",
+        "\u2028": "\\u2028",
+        "\u2029": "\\u2029",
+        "\u0085": "\\u0085",
+        "\r\n": "\\r\\n", // special case for CRLFs in backticks
+    }));
+    function encodeUtf16EscapeSequence(charCode) {
+        var hexCharCode = charCode.toString(16).toUpperCase();
+        var paddedHexCode = ("0000" + hexCharCode).slice(-4);
+        return "\\u" + paddedHexCode;
+    }
+    function getReplacement(c, offset, input) {
+        if (c.charCodeAt(0) === 0 /* CharacterCodes.nullCharacter */) {
+            var lookAhead = input.charCodeAt(offset + c.length);
+            if (lookAhead >= 48 /* CharacterCodes._0 */ && lookAhead <= 57 /* CharacterCodes._9 */) {
+                // If the null character is followed by digits, print as a hex escape to prevent the result from parsing as an octal (which is forbidden in strict mode)
+                return "\\x00";
+            }
+            // Otherwise, keep printing a literal \0 for the null character
+            return "\\0";
+        }
+        return escapedCharsMap.get(c) || encodeUtf16EscapeSequence(c.charCodeAt(0));
+    }
+    /**
+     * Based heavily on the abstract 'Quote'/'QuoteJSONString' operation from ECMA-262 (24.3.2.2),
+     * but augmented for a few select characters (e.g. lineSeparator, paragraphSeparator, nextLine)
+     * Note that this doesn't actually wrap the input in double quotes.
+     */
+    function escapeString(s, quoteChar) {
+        var escapedCharsRegExp = quoteChar === 96 /* CharacterCodes.backtick */ ? backtickQuoteEscapedCharsRegExp :
+            quoteChar === 39 /* CharacterCodes.singleQuote */ ? singleQuoteEscapedCharsRegExp :
+                doubleQuoteEscapedCharsRegExp;
+        return s.replace(escapedCharsRegExp, getReplacement);
+    }
+    ts.escapeString = escapeString;
+    var nonAsciiCharacters = /[^\u0000-\u007F]/g;
+    function escapeNonAsciiString(s, quoteChar) {
+        s = escapeString(s, quoteChar);
+        // Replace non-ASCII characters with '\uNNNN' escapes if any exist.
+        // Otherwise just return the original string.
+        return nonAsciiCharacters.test(s) ?
+            s.replace(nonAsciiCharacters, function (c) { return encodeUtf16EscapeSequence(c.charCodeAt(0)); }) :
+            s;
+    }
+    ts.escapeNonAsciiString = escapeNonAsciiString;
+    // This consists of the first 19 unprintable ASCII characters, JSX canonical escapes, lineSeparator,
+    // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in
+    // the language service. These characters should be escaped when printing, and if any characters are added,
+    // the map below must be updated.
+    var jsxDoubleQuoteEscapedCharsRegExp = /[\"\u0000-\u001f\u2028\u2029\u0085]/g;
+    var jsxSingleQuoteEscapedCharsRegExp = /[\'\u0000-\u001f\u2028\u2029\u0085]/g;
+    var jsxEscapedCharsMap = new ts.Map(ts.getEntries({
+        "\"": """,
+        "\'": "'"
+    }));
+    function encodeJsxCharacterEntity(charCode) {
+        var hexCharCode = charCode.toString(16).toUpperCase();
+        return "&#x" + hexCharCode + ";";
+    }
+    function getJsxAttributeStringReplacement(c) {
+        if (c.charCodeAt(0) === 0 /* CharacterCodes.nullCharacter */) {
+            return "�";
+        }
+        return jsxEscapedCharsMap.get(c) || encodeJsxCharacterEntity(c.charCodeAt(0));
+    }
+    function escapeJsxAttributeString(s, quoteChar) {
+        var escapedCharsRegExp = quoteChar === 39 /* CharacterCodes.singleQuote */ ? jsxSingleQuoteEscapedCharsRegExp :
+            jsxDoubleQuoteEscapedCharsRegExp;
+        return s.replace(escapedCharsRegExp, getJsxAttributeStringReplacement);
+    }
+    ts.escapeJsxAttributeString = escapeJsxAttributeString;
+    /**
+     * Strip off existed surrounding single quotes, double quotes, or backticks from a given string
+     *
+     * @return non-quoted string
+     */
+    function stripQuotes(name) {
+        var length = name.length;
+        if (length >= 2 && name.charCodeAt(0) === name.charCodeAt(length - 1) && isQuoteOrBacktick(name.charCodeAt(0))) {
+            return name.substring(1, length - 1);
+        }
+        return name;
+    }
+    ts.stripQuotes = stripQuotes;
+    function isQuoteOrBacktick(charCode) {
+        return charCode === 39 /* CharacterCodes.singleQuote */ ||
+            charCode === 34 /* CharacterCodes.doubleQuote */ ||
+            charCode === 96 /* CharacterCodes.backtick */;
+    }
+    function isIntrinsicJsxName(name) {
+        var ch = name.charCodeAt(0);
+        return (ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */) || ts.stringContains(name, "-") || ts.stringContains(name, ":");
+    }
+    ts.isIntrinsicJsxName = isIntrinsicJsxName;
+    var indentStrings = ["", "    "];
+    function getIndentString(level) {
+        // prepopulate cache
+        var singleLevel = indentStrings[1];
+        for (var current = indentStrings.length; current <= level; current++) {
+            indentStrings.push(indentStrings[current - 1] + singleLevel);
+        }
+        return indentStrings[level];
+    }
+    ts.getIndentString = getIndentString;
+    function getIndentSize() {
+        return indentStrings[1].length;
+    }
+    ts.getIndentSize = getIndentSize;
+    function isNightly() {
+        return ts.stringContains(ts.version, "-dev") || ts.stringContains(ts.version, "-insiders");
+    }
+    ts.isNightly = isNightly;
+    function createTextWriter(newLine) {
+        var output;
+        var indent;
+        var lineStart;
+        var lineCount;
+        var linePos;
+        var hasTrailingComment = false;
+        function updateLineCountAndPosFor(s) {
+            var lineStartsOfS = ts.computeLineStarts(s);
+            if (lineStartsOfS.length > 1) {
+                lineCount = lineCount + lineStartsOfS.length - 1;
+                linePos = output.length - s.length + ts.last(lineStartsOfS);
+                lineStart = (linePos - output.length) === 0;
+            }
+            else {
+                lineStart = false;
+            }
+        }
+        function writeText(s) {
+            if (s && s.length) {
+                if (lineStart) {
+                    s = getIndentString(indent) + s;
+                    lineStart = false;
+                }
+                output += s;
+                updateLineCountAndPosFor(s);
+            }
+        }
+        function write(s) {
+            if (s)
+                hasTrailingComment = false;
+            writeText(s);
+        }
+        function writeComment(s) {
+            if (s)
+                hasTrailingComment = true;
+            writeText(s);
+        }
+        function reset() {
+            output = "";
+            indent = 0;
+            lineStart = true;
+            lineCount = 0;
+            linePos = 0;
+            hasTrailingComment = false;
+        }
+        function rawWrite(s) {
+            if (s !== undefined) {
+                output += s;
+                updateLineCountAndPosFor(s);
+                hasTrailingComment = false;
+            }
+        }
+        function writeLiteral(s) {
+            if (s && s.length) {
+                write(s);
+            }
+        }
+        function writeLine(force) {
+            if (!lineStart || force) {
+                output += newLine;
+                lineCount++;
+                linePos = output.length;
+                lineStart = true;
+                hasTrailingComment = false;
+            }
+        }
+        function getTextPosWithWriteLine() {
+            return lineStart ? output.length : (output.length + newLine.length);
+        }
+        reset();
+        return {
+            write: write,
+            rawWrite: rawWrite,
+            writeLiteral: writeLiteral,
+            writeLine: writeLine,
+            increaseIndent: function () { indent++; },
+            decreaseIndent: function () { indent--; },
+            getIndent: function () { return indent; },
+            getTextPos: function () { return output.length; },
+            getLine: function () { return lineCount; },
+            getColumn: function () { return lineStart ? indent * getIndentSize() : output.length - linePos; },
+            getText: function () { return output; },
+            isAtStartOfLine: function () { return lineStart; },
+            hasTrailingComment: function () { return hasTrailingComment; },
+            hasTrailingWhitespace: function () { return !!output.length && ts.isWhiteSpaceLike(output.charCodeAt(output.length - 1)); },
+            clear: reset,
+            reportInaccessibleThisError: ts.noop,
+            reportPrivateInBaseOfClassExpression: ts.noop,
+            reportInaccessibleUniqueSymbolError: ts.noop,
+            trackSymbol: function () { return false; },
+            writeKeyword: write,
+            writeOperator: write,
+            writeParameter: write,
+            writeProperty: write,
+            writePunctuation: write,
+            writeSpace: write,
+            writeStringLiteral: write,
+            writeSymbol: function (s, _) { return write(s); },
+            writeTrailingSemicolon: write,
+            writeComment: writeComment,
+            getTextPosWithWriteLine: getTextPosWithWriteLine
+        };
+    }
+    ts.createTextWriter = createTextWriter;
+    function getTrailingSemicolonDeferringWriter(writer) {
+        var pendingTrailingSemicolon = false;
+        function commitPendingTrailingSemicolon() {
+            if (pendingTrailingSemicolon) {
+                writer.writeTrailingSemicolon(";");
+                pendingTrailingSemicolon = false;
+            }
+        }
+        return __assign(__assign({}, writer), { writeTrailingSemicolon: function () {
+                pendingTrailingSemicolon = true;
+            }, writeLiteral: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeLiteral(s);
+            }, writeStringLiteral: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeStringLiteral(s);
+            }, writeSymbol: function (s, sym) {
+                commitPendingTrailingSemicolon();
+                writer.writeSymbol(s, sym);
+            }, writePunctuation: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writePunctuation(s);
+            }, writeKeyword: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeKeyword(s);
+            }, writeOperator: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeOperator(s);
+            }, writeParameter: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeParameter(s);
+            }, writeSpace: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeSpace(s);
+            }, writeProperty: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeProperty(s);
+            }, writeComment: function (s) {
+                commitPendingTrailingSemicolon();
+                writer.writeComment(s);
+            }, writeLine: function () {
+                commitPendingTrailingSemicolon();
+                writer.writeLine();
+            }, increaseIndent: function () {
+                commitPendingTrailingSemicolon();
+                writer.increaseIndent();
+            }, decreaseIndent: function () {
+                commitPendingTrailingSemicolon();
+                writer.decreaseIndent();
+            } });
+    }
+    ts.getTrailingSemicolonDeferringWriter = getTrailingSemicolonDeferringWriter;
+    function hostUsesCaseSensitiveFileNames(host) {
+        return host.useCaseSensitiveFileNames ? host.useCaseSensitiveFileNames() : false;
+    }
+    ts.hostUsesCaseSensitiveFileNames = hostUsesCaseSensitiveFileNames;
+    function hostGetCanonicalFileName(host) {
+        return ts.createGetCanonicalFileName(hostUsesCaseSensitiveFileNames(host));
+    }
+    ts.hostGetCanonicalFileName = hostGetCanonicalFileName;
+    function getResolvedExternalModuleName(host, file, referenceFile) {
+        return file.moduleName || getExternalModuleNameFromPath(host, file.fileName, referenceFile && referenceFile.fileName);
+    }
+    ts.getResolvedExternalModuleName = getResolvedExternalModuleName;
+    function getCanonicalAbsolutePath(host, path) {
+        return host.getCanonicalFileName(ts.getNormalizedAbsolutePath(path, host.getCurrentDirectory()));
+    }
+    function getExternalModuleNameFromDeclaration(host, resolver, declaration) {
+        var file = resolver.getExternalModuleFileFromDeclaration(declaration);
+        if (!file || file.isDeclarationFile) {
+            return undefined;
+        }
+        // If the declaration already uses a non-relative name, and is outside the common source directory, continue to use it
+        var specifier = getExternalModuleName(declaration);
+        if (specifier && ts.isStringLiteralLike(specifier) && !ts.pathIsRelative(specifier.text) &&
+            getCanonicalAbsolutePath(host, file.path).indexOf(getCanonicalAbsolutePath(host, ts.ensureTrailingDirectorySeparator(host.getCommonSourceDirectory()))) === -1) {
+            return undefined;
+        }
+        return getResolvedExternalModuleName(host, file);
+    }
+    ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration;
+    /**
+     * Resolves a local path to a path which is absolute to the base of the emit
+     */
+    function getExternalModuleNameFromPath(host, fileName, referencePath) {
+        var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); };
+        var dir = ts.toPath(referencePath ? ts.getDirectoryPath(referencePath) : host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName);
+        var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory());
+        var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
+        var extensionless = removeFileExtension(relativePath);
+        return referencePath ? ts.ensurePathIsNonModuleName(extensionless) : extensionless;
+    }
+    ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath;
+    function getOwnEmitOutputFilePath(fileName, host, extension) {
+        var compilerOptions = host.getCompilerOptions();
+        var emitOutputFilePathWithoutExtension;
+        if (compilerOptions.outDir) {
+            emitOutputFilePathWithoutExtension = removeFileExtension(getSourceFilePathInNewDir(fileName, host, compilerOptions.outDir));
+        }
+        else {
+            emitOutputFilePathWithoutExtension = removeFileExtension(fileName);
+        }
+        return emitOutputFilePathWithoutExtension + extension;
+    }
+    ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath;
+    function getDeclarationEmitOutputFilePath(fileName, host) {
+        return getDeclarationEmitOutputFilePathWorker(fileName, host.getCompilerOptions(), host.getCurrentDirectory(), host.getCommonSourceDirectory(), function (f) { return host.getCanonicalFileName(f); });
+    }
+    ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath;
+    function getDeclarationEmitOutputFilePathWorker(fileName, options, currentDirectory, commonSourceDirectory, getCanonicalFileName) {
+        var outputDir = options.declarationDir || options.outDir; // Prefer declaration folder if specified
+        var path = outputDir
+            ? getSourceFilePathInNewDirWorker(fileName, outputDir, currentDirectory, commonSourceDirectory, getCanonicalFileName)
+            : fileName;
+        var declarationExtension = getDeclarationEmitExtensionForPath(path);
+        return removeFileExtension(path) + declarationExtension;
+    }
+    ts.getDeclarationEmitOutputFilePathWorker = getDeclarationEmitOutputFilePathWorker;
+    function getDeclarationEmitExtensionForPath(path) {
+        return ts.fileExtensionIsOneOf(path, [".mjs" /* Extension.Mjs */, ".mts" /* Extension.Mts */]) ? ".d.mts" /* Extension.Dmts */ :
+            ts.fileExtensionIsOneOf(path, [".cjs" /* Extension.Cjs */, ".cts" /* Extension.Cts */]) ? ".d.cts" /* Extension.Dcts */ :
+                ts.fileExtensionIsOneOf(path, [".json" /* Extension.Json */]) ? ".json.d.ts" : // Drive-by redefinition of json declaration file output name so if it's ever enabled, it behaves well
+                    ".d.ts" /* Extension.Dts */;
+    }
+    ts.getDeclarationEmitExtensionForPath = getDeclarationEmitExtensionForPath;
+    /**
+     * This function is an inverse of `getDeclarationEmitExtensionForPath`.
+     */
+    function getPossibleOriginalInputExtensionForExtension(path) {
+        return ts.fileExtensionIsOneOf(path, [".d.mts" /* Extension.Dmts */, ".mjs" /* Extension.Mjs */, ".mts" /* Extension.Mts */]) ? [".mts" /* Extension.Mts */, ".mjs" /* Extension.Mjs */] :
+            ts.fileExtensionIsOneOf(path, [".d.cts" /* Extension.Dcts */, ".cjs" /* Extension.Cjs */, ".cts" /* Extension.Cts */]) ? [".cts" /* Extension.Cts */, ".cjs" /* Extension.Cjs */] :
+                ts.fileExtensionIsOneOf(path, [".json.d.ts"]) ? [".json" /* Extension.Json */] :
+                    [".tsx" /* Extension.Tsx */, ".ts" /* Extension.Ts */, ".jsx" /* Extension.Jsx */, ".js" /* Extension.Js */];
+    }
+    ts.getPossibleOriginalInputExtensionForExtension = getPossibleOriginalInputExtensionForExtension;
+    function outFile(options) {
+        return options.outFile || options.out;
+    }
+    ts.outFile = outFile;
+    /** Returns 'undefined' if and only if 'options.paths' is undefined. */
+    function getPathsBasePath(options, host) {
+        var _a, _b;
+        if (!options.paths)
+            return undefined;
+        return (_a = options.baseUrl) !== null && _a !== void 0 ? _a : ts.Debug.checkDefined(options.pathsBasePath || ((_b = host.getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(host)), "Encountered 'paths' without a 'baseUrl', config file, or host 'getCurrentDirectory'.");
+    }
+    ts.getPathsBasePath = getPathsBasePath;
+    /**
+     * Gets the source files that are expected to have an emit output.
+     *
+     * Originally part of `forEachExpectedEmitFile`, this functionality was extracted to support
+     * transformations.
+     *
+     * @param host An EmitHost.
+     * @param targetSourceFile An optional target source file to emit.
+     */
+    function getSourceFilesToEmit(host, targetSourceFile, forceDtsEmit) {
+        var options = host.getCompilerOptions();
+        if (outFile(options)) {
+            var moduleKind = getEmitModuleKind(options);
+            var moduleEmitEnabled_1 = options.emitDeclarationOnly || moduleKind === ts.ModuleKind.AMD || moduleKind === ts.ModuleKind.System;
+            // Can emit only sources that are not declaration file and are either non module code or module with --module or --target es6 specified
+            return ts.filter(host.getSourceFiles(), function (sourceFile) {
+                return (moduleEmitEnabled_1 || !ts.isExternalModule(sourceFile)) &&
+                    sourceFileMayBeEmitted(sourceFile, host, forceDtsEmit);
+            });
+        }
+        else {
+            var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile];
+            return ts.filter(sourceFiles, function (sourceFile) { return sourceFileMayBeEmitted(sourceFile, host, forceDtsEmit); });
+        }
+    }
+    ts.getSourceFilesToEmit = getSourceFilesToEmit;
+    /** Don't call this for `--outFile`, just for `--outDir` or plain emit. `--outFile` needs additional checks. */
+    function sourceFileMayBeEmitted(sourceFile, host, forceDtsEmit) {
+        var options = host.getCompilerOptions();
+        return !(options.noEmitForJsFiles && isSourceFileJS(sourceFile)) &&
+            !sourceFile.isDeclarationFile &&
+            !host.isSourceFileFromExternalLibrary(sourceFile) &&
+            (forceDtsEmit || (!(isJsonSourceFile(sourceFile) && host.getResolvedProjectReferenceToRedirect(sourceFile.fileName)) &&
+                !host.isSourceOfProjectReferenceRedirect(sourceFile.fileName)));
+    }
+    ts.sourceFileMayBeEmitted = sourceFileMayBeEmitted;
+    function getSourceFilePathInNewDir(fileName, host, newDirPath) {
+        return getSourceFilePathInNewDirWorker(fileName, newDirPath, host.getCurrentDirectory(), host.getCommonSourceDirectory(), function (f) { return host.getCanonicalFileName(f); });
+    }
+    ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir;
+    function getSourceFilePathInNewDirWorker(fileName, newDirPath, currentDirectory, commonSourceDirectory, getCanonicalFileName) {
+        var sourceFilePath = ts.getNormalizedAbsolutePath(fileName, currentDirectory);
+        var isSourceFileInCommonSourceDirectory = getCanonicalFileName(sourceFilePath).indexOf(getCanonicalFileName(commonSourceDirectory)) === 0;
+        sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath;
+        return ts.combinePaths(newDirPath, sourceFilePath);
+    }
+    ts.getSourceFilePathInNewDirWorker = getSourceFilePathInNewDirWorker;
+    function writeFile(host, diagnostics, fileName, text, writeByteOrderMark, sourceFiles, data) {
+        host.writeFile(fileName, text, writeByteOrderMark, function (hostErrorMessage) {
+            diagnostics.add(createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage));
+        }, sourceFiles, data);
+    }
+    ts.writeFile = writeFile;
+    function ensureDirectoriesExist(directoryPath, createDirectory, directoryExists) {
+        if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) {
+            var parentDirectory = ts.getDirectoryPath(directoryPath);
+            ensureDirectoriesExist(parentDirectory, createDirectory, directoryExists);
+            createDirectory(directoryPath);
+        }
+    }
+    function writeFileEnsuringDirectories(path, data, writeByteOrderMark, writeFile, createDirectory, directoryExists) {
+        // PERF: Checking for directory existence is expensive.  Instead, assume the directory exists
+        // and fall back to creating it if the file write fails.
+        try {
+            writeFile(path, data, writeByteOrderMark);
+        }
+        catch (_a) {
+            ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(path)), createDirectory, directoryExists);
+            writeFile(path, data, writeByteOrderMark);
+        }
+    }
+    ts.writeFileEnsuringDirectories = writeFileEnsuringDirectories;
+    function getLineOfLocalPosition(sourceFile, pos) {
+        var lineStarts = ts.getLineStarts(sourceFile);
+        return ts.computeLineOfPosition(lineStarts, pos);
+    }
+    ts.getLineOfLocalPosition = getLineOfLocalPosition;
+    function getLineOfLocalPositionFromLineMap(lineMap, pos) {
+        return ts.computeLineOfPosition(lineMap, pos);
+    }
+    ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap;
+    function getFirstConstructorWithBody(node) {
+        return ts.find(node.members, function (member) { return ts.isConstructorDeclaration(member) && nodeIsPresent(member.body); });
+    }
+    ts.getFirstConstructorWithBody = getFirstConstructorWithBody;
+    function getSetAccessorValueParameter(accessor) {
+        if (accessor && accessor.parameters.length > 0) {
+            var hasThis = accessor.parameters.length === 2 && parameterIsThisKeyword(accessor.parameters[0]);
+            return accessor.parameters[hasThis ? 1 : 0];
+        }
+    }
+    ts.getSetAccessorValueParameter = getSetAccessorValueParameter;
+    /** Get the type annotation for the value parameter. */
+    function getSetAccessorTypeAnnotationNode(accessor) {
+        var parameter = getSetAccessorValueParameter(accessor);
+        return parameter && parameter.type;
+    }
+    ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode;
+    function getThisParameter(signature) {
+        // callback tags do not currently support this parameters
+        if (signature.parameters.length && !ts.isJSDocSignature(signature)) {
+            var thisParameter = signature.parameters[0];
+            if (parameterIsThisKeyword(thisParameter)) {
+                return thisParameter;
+            }
+        }
+    }
+    ts.getThisParameter = getThisParameter;
+    function parameterIsThisKeyword(parameter) {
+        return isThisIdentifier(parameter.name);
+    }
+    ts.parameterIsThisKeyword = parameterIsThisKeyword;
+    function isThisIdentifier(node) {
+        return !!node && node.kind === 79 /* SyntaxKind.Identifier */ && identifierIsThisKeyword(node);
+    }
+    ts.isThisIdentifier = isThisIdentifier;
+    function isThisInTypeQuery(node) {
+        if (!isThisIdentifier(node)) {
+            return false;
+        }
+        while (ts.isQualifiedName(node.parent) && node.parent.left === node) {
+            node = node.parent;
+        }
+        return node.parent.kind === 181 /* SyntaxKind.TypeQuery */;
+    }
+    ts.isThisInTypeQuery = isThisInTypeQuery;
+    function identifierIsThisKeyword(id) {
+        return id.originalKeywordKind === 108 /* SyntaxKind.ThisKeyword */;
+    }
+    ts.identifierIsThisKeyword = identifierIsThisKeyword;
+    function getAllAccessorDeclarations(declarations, accessor) {
+        // TODO: GH#18217
+        var firstAccessor;
+        var secondAccessor;
+        var getAccessor;
+        var setAccessor;
+        if (hasDynamicName(accessor)) {
+            firstAccessor = accessor;
+            if (accessor.kind === 172 /* SyntaxKind.GetAccessor */) {
+                getAccessor = accessor;
+            }
+            else if (accessor.kind === 173 /* SyntaxKind.SetAccessor */) {
+                setAccessor = accessor;
+            }
+            else {
+                ts.Debug.fail("Accessor has wrong kind");
+            }
+        }
+        else {
+            ts.forEach(declarations, function (member) {
+                if (ts.isAccessor(member)
+                    && isStatic(member) === isStatic(accessor)) {
+                    var memberName = getPropertyNameForPropertyNameNode(member.name);
+                    var accessorName = getPropertyNameForPropertyNameNode(accessor.name);
+                    if (memberName === accessorName) {
+                        if (!firstAccessor) {
+                            firstAccessor = member;
+                        }
+                        else if (!secondAccessor) {
+                            secondAccessor = member;
+                        }
+                        if (member.kind === 172 /* SyntaxKind.GetAccessor */ && !getAccessor) {
+                            getAccessor = member;
+                        }
+                        if (member.kind === 173 /* SyntaxKind.SetAccessor */ && !setAccessor) {
+                            setAccessor = member;
+                        }
+                    }
+                }
+            });
+        }
+        return {
+            firstAccessor: firstAccessor,
+            secondAccessor: secondAccessor,
+            getAccessor: getAccessor,
+            setAccessor: setAccessor
+        };
+    }
+    ts.getAllAccessorDeclarations = getAllAccessorDeclarations;
+    /**
+     * Gets the effective type annotation of a variable, parameter, or property. If the node was
+     * parsed in a JavaScript file, gets the type annotation from JSDoc.  Also gets the type of
+     * functions only the JSDoc case.
+     */
+    function getEffectiveTypeAnnotationNode(node) {
+        if (!isInJSFile(node) && ts.isFunctionDeclaration(node))
+            return undefined;
+        var type = node.type;
+        if (type || !isInJSFile(node))
+            return type;
+        return ts.isJSDocPropertyLikeTag(node) ? node.typeExpression && node.typeExpression.type : ts.getJSDocType(node);
+    }
+    ts.getEffectiveTypeAnnotationNode = getEffectiveTypeAnnotationNode;
+    function getTypeAnnotationNode(node) {
+        return node.type;
+    }
+    ts.getTypeAnnotationNode = getTypeAnnotationNode;
+    /**
+     * Gets the effective return type annotation of a signature. If the node was parsed in a
+     * JavaScript file, gets the return type annotation from JSDoc.
+     */
+    function getEffectiveReturnTypeNode(node) {
+        return ts.isJSDocSignature(node) ?
+            node.type && node.type.typeExpression && node.type.typeExpression.type :
+            node.type || (isInJSFile(node) ? ts.getJSDocReturnType(node) : undefined);
+    }
+    ts.getEffectiveReturnTypeNode = getEffectiveReturnTypeNode;
+    function getJSDocTypeParameterDeclarations(node) {
+        return ts.flatMap(ts.getJSDocTags(node), function (tag) { return isNonTypeAliasTemplate(tag) ? tag.typeParameters : undefined; });
+    }
+    ts.getJSDocTypeParameterDeclarations = getJSDocTypeParameterDeclarations;
+    /** template tags are only available when a typedef isn't already using them */
+    function isNonTypeAliasTemplate(tag) {
+        return ts.isJSDocTemplateTag(tag) && !(tag.parent.kind === 320 /* SyntaxKind.JSDoc */ && tag.parent.tags.some(isJSDocTypeAlias));
+    }
+    /**
+     * Gets the effective type annotation of the value parameter of a set accessor. If the node
+     * was parsed in a JavaScript file, gets the type annotation from JSDoc.
+     */
+    function getEffectiveSetAccessorTypeAnnotationNode(node) {
+        var parameter = getSetAccessorValueParameter(node);
+        return parameter && getEffectiveTypeAnnotationNode(parameter);
+    }
+    ts.getEffectiveSetAccessorTypeAnnotationNode = getEffectiveSetAccessorTypeAnnotationNode;
+    function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) {
+        emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, node.pos, leadingComments);
+    }
+    ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments;
+    function emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, pos, leadingComments) {
+        // If the leading comments start on different line than the start of node, write new line
+        if (leadingComments && leadingComments.length && pos !== leadingComments[0].pos &&
+            getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) {
+            writer.writeLine();
+        }
+    }
+    ts.emitNewLineBeforeLeadingCommentsOfPosition = emitNewLineBeforeLeadingCommentsOfPosition;
+    function emitNewLineBeforeLeadingCommentOfPosition(lineMap, writer, pos, commentPos) {
+        // If the leading comments start on different line than the start of node, write new line
+        if (pos !== commentPos &&
+            getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, commentPos)) {
+            writer.writeLine();
+        }
+    }
+    ts.emitNewLineBeforeLeadingCommentOfPosition = emitNewLineBeforeLeadingCommentOfPosition;
+    function emitComments(text, lineMap, writer, comments, leadingSeparator, trailingSeparator, newLine, writeComment) {
+        if (comments && comments.length > 0) {
+            if (leadingSeparator) {
+                writer.writeSpace(" ");
+            }
+            var emitInterveningSeparator = false;
+            for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) {
+                var comment = comments_1[_i];
+                if (emitInterveningSeparator) {
+                    writer.writeSpace(" ");
+                    emitInterveningSeparator = false;
+                }
+                writeComment(text, lineMap, writer, comment.pos, comment.end, newLine);
+                if (comment.hasTrailingNewLine) {
+                    writer.writeLine();
+                }
+                else {
+                    emitInterveningSeparator = true;
+                }
+            }
+            if (emitInterveningSeparator && trailingSeparator) {
+                writer.writeSpace(" ");
+            }
+        }
+    }
+    ts.emitComments = emitComments;
+    /**
+     * Detached comment is a comment at the top of file or function body that is separated from
+     * the next statement by space.
+     */
+    function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) {
+        var leadingComments;
+        var currentDetachedCommentInfo;
+        if (removeComments) {
+            // removeComments is true, only reserve pinned comment at the top of file
+            // For example:
+            //      /*! Pinned Comment */
+            //
+            //      var x = 10;
+            if (node.pos === 0) {
+                leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedCommentLocal);
+            }
+        }
+        else {
+            // removeComments is false, just get detached as normal and bypass the process to filter comment
+            leadingComments = ts.getLeadingCommentRanges(text, node.pos);
+        }
+        if (leadingComments) {
+            var detachedComments = [];
+            var lastComment = void 0;
+            for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) {
+                var comment = leadingComments_1[_i];
+                if (lastComment) {
+                    var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end);
+                    var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos);
+                    if (commentLine >= lastCommentLine + 2) {
+                        // There was a blank line between the last comment and this comment.  This
+                        // comment is not part of the copyright comments.  Return what we have so
+                        // far.
+                        break;
+                    }
+                }
+                detachedComments.push(comment);
+                lastComment = comment;
+            }
+            if (detachedComments.length) {
+                // All comments look like they could have been part of the copyright header.  Make
+                // sure there is at least one blank line between it and the node.  If not, it's not
+                // a copyright header.
+                var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.last(detachedComments).end);
+                var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos));
+                if (nodeLine >= lastCommentLine + 2) {
+                    // Valid detachedComments
+                    emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments);
+                    emitComments(text, lineMap, writer, detachedComments, /*leadingSeparator*/ false, /*trailingSeparator*/ true, newLine, writeComment);
+                    currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.last(detachedComments).end };
+                }
+            }
+        }
+        return currentDetachedCommentInfo;
+        function isPinnedCommentLocal(comment) {
+            return isPinnedComment(text, comment.pos);
+        }
+    }
+    ts.emitDetachedComments = emitDetachedComments;
+    function writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine) {
+        if (text.charCodeAt(commentPos + 1) === 42 /* CharacterCodes.asterisk */) {
+            var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, commentPos);
+            var lineCount = lineMap.length;
+            var firstCommentLineIndent = void 0;
+            for (var pos = commentPos, currentLine = firstCommentLineAndCharacter.line; pos < commentEnd; currentLine++) {
+                var nextLineStart = (currentLine + 1) === lineCount
+                    ? text.length + 1
+                    : lineMap[currentLine + 1];
+                if (pos !== commentPos) {
+                    // If we are not emitting first line, we need to write the spaces to adjust the alignment
+                    if (firstCommentLineIndent === undefined) {
+                        firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], commentPos);
+                    }
+                    // These are number of spaces writer is going to write at current indent
+                    var currentWriterIndentSpacing = writer.getIndent() * getIndentSize();
+                    // Number of spaces we want to be writing
+                    // eg: Assume writer indent
+                    // module m {
+                    //         /* starts at character 9 this is line 1
+                    //    * starts at character pos 4 line                        --1  = 8 - 8 + 3
+                    //   More left indented comment */                            --2  = 8 - 8 + 2
+                    //     class c { }
+                    // }
+                    // module m {
+                    //     /* this is line 1 -- Assume current writer indent 8
+                    //      * line                                                --3 = 8 - 4 + 5
+                    //            More right indented comment */                  --4 = 8 - 4 + 11
+                    //     class c { }
+                    // }
+                    var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart);
+                    if (spacesToEmit > 0) {
+                        var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize();
+                        var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize());
+                        // Write indent size string ( in eg 1: = "", 2: "" , 3: string with 8 spaces 4: string with 12 spaces
+                        writer.rawWrite(indentSizeSpaceString);
+                        // Emit the single spaces (in eg: 1: 3 spaces, 2: 2 spaces, 3: 1 space, 4: 3 spaces)
+                        while (numberOfSingleSpacesToEmit) {
+                            writer.rawWrite(" ");
+                            numberOfSingleSpacesToEmit--;
+                        }
+                    }
+                    else {
+                        // No spaces to emit write empty string
+                        writer.rawWrite("");
+                    }
+                }
+                // Write the comment line text
+                writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart);
+                pos = nextLineStart;
+            }
+        }
+        else {
+            // Single line comment of style //....
+            writer.writeComment(text.substring(commentPos, commentEnd));
+        }
+    }
+    ts.writeCommentRange = writeCommentRange;
+    function writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart) {
+        var end = Math.min(commentEnd, nextLineStart - 1);
+        var currentLineText = ts.trimString(text.substring(pos, end));
+        if (currentLineText) {
+            // trimmed forward and ending spaces text
+            writer.writeComment(currentLineText);
+            if (end !== commentEnd) {
+                writer.writeLine();
+            }
+        }
+        else {
+            // Empty string - make sure we write empty line
+            writer.rawWrite(newLine);
+        }
+    }
+    function calculateIndent(text, pos, end) {
+        var currentLineIndent = 0;
+        for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) {
+            if (text.charCodeAt(pos) === 9 /* CharacterCodes.tab */) {
+                // Tabs = TabSize = indent size and go to next tabStop
+                currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize());
+            }
+            else {
+                // Single space
+                currentLineIndent++;
+            }
+        }
+        return currentLineIndent;
+    }
+    function hasEffectiveModifiers(node) {
+        return getEffectiveModifierFlags(node) !== 0 /* ModifierFlags.None */;
+    }
+    ts.hasEffectiveModifiers = hasEffectiveModifiers;
+    function hasSyntacticModifiers(node) {
+        return getSyntacticModifierFlags(node) !== 0 /* ModifierFlags.None */;
+    }
+    ts.hasSyntacticModifiers = hasSyntacticModifiers;
+    function hasEffectiveModifier(node, flags) {
+        return !!getSelectedEffectiveModifierFlags(node, flags);
+    }
+    ts.hasEffectiveModifier = hasEffectiveModifier;
+    function hasSyntacticModifier(node, flags) {
+        return !!getSelectedSyntacticModifierFlags(node, flags);
+    }
+    ts.hasSyntacticModifier = hasSyntacticModifier;
+    function isStatic(node) {
+        // https://tc39.es/ecma262/#sec-static-semantics-isstatic
+        return ts.isClassElement(node) && hasStaticModifier(node) || ts.isClassStaticBlockDeclaration(node);
+    }
+    ts.isStatic = isStatic;
+    function hasStaticModifier(node) {
+        return hasSyntacticModifier(node, 32 /* ModifierFlags.Static */);
+    }
+    ts.hasStaticModifier = hasStaticModifier;
+    function hasOverrideModifier(node) {
+        return hasEffectiveModifier(node, 16384 /* ModifierFlags.Override */);
+    }
+    ts.hasOverrideModifier = hasOverrideModifier;
+    function hasAbstractModifier(node) {
+        return hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */);
+    }
+    ts.hasAbstractModifier = hasAbstractModifier;
+    function hasAmbientModifier(node) {
+        return hasSyntacticModifier(node, 2 /* ModifierFlags.Ambient */);
+    }
+    ts.hasAmbientModifier = hasAmbientModifier;
+    function hasEffectiveReadonlyModifier(node) {
+        return hasEffectiveModifier(node, 64 /* ModifierFlags.Readonly */);
+    }
+    ts.hasEffectiveReadonlyModifier = hasEffectiveReadonlyModifier;
+    function getSelectedEffectiveModifierFlags(node, flags) {
+        return getEffectiveModifierFlags(node) & flags;
+    }
+    ts.getSelectedEffectiveModifierFlags = getSelectedEffectiveModifierFlags;
+    function getSelectedSyntacticModifierFlags(node, flags) {
+        return getSyntacticModifierFlags(node) & flags;
+    }
+    ts.getSelectedSyntacticModifierFlags = getSelectedSyntacticModifierFlags;
+    function getModifierFlagsWorker(node, includeJSDoc, alwaysIncludeJSDoc) {
+        if (node.kind >= 0 /* SyntaxKind.FirstToken */ && node.kind <= 160 /* SyntaxKind.LastToken */) {
+            return 0 /* ModifierFlags.None */;
+        }
+        if (!(node.modifierFlagsCache & 536870912 /* ModifierFlags.HasComputedFlags */)) {
+            node.modifierFlagsCache = getSyntacticModifierFlagsNoCache(node) | 536870912 /* ModifierFlags.HasComputedFlags */;
+        }
+        if (includeJSDoc && !(node.modifierFlagsCache & 4096 /* ModifierFlags.HasComputedJSDocModifiers */) && (alwaysIncludeJSDoc || isInJSFile(node)) && node.parent) {
+            node.modifierFlagsCache |= getJSDocModifierFlagsNoCache(node) | 4096 /* ModifierFlags.HasComputedJSDocModifiers */;
+        }
+        return node.modifierFlagsCache & ~(536870912 /* ModifierFlags.HasComputedFlags */ | 4096 /* ModifierFlags.HasComputedJSDocModifiers */);
+    }
+    /**
+     * Gets the effective ModifierFlags for the provided node, including JSDoc modifiers. The modifiers will be cached on the node to improve performance.
+     *
+     * NOTE: This function may use `parent` pointers.
+     */
+    function getEffectiveModifierFlags(node) {
+        return getModifierFlagsWorker(node, /*includeJSDoc*/ true);
+    }
+    ts.getEffectiveModifierFlags = getEffectiveModifierFlags;
+    function getEffectiveModifierFlagsAlwaysIncludeJSDoc(node) {
+        return getModifierFlagsWorker(node, /*includeJSDOc*/ true, /*alwaysIncludeJSDOc*/ true);
+    }
+    ts.getEffectiveModifierFlagsAlwaysIncludeJSDoc = getEffectiveModifierFlagsAlwaysIncludeJSDoc;
+    /**
+     * Gets the ModifierFlags for syntactic modifiers on the provided node. The modifiers will be cached on the node to improve performance.
+     *
+     * NOTE: This function does not use `parent` pointers and will not include modifiers from JSDoc.
+     */
+    function getSyntacticModifierFlags(node) {
+        return getModifierFlagsWorker(node, /*includeJSDoc*/ false);
+    }
+    ts.getSyntacticModifierFlags = getSyntacticModifierFlags;
+    function getJSDocModifierFlagsNoCache(node) {
+        var flags = 0 /* ModifierFlags.None */;
+        if (!!node.parent && !ts.isParameter(node)) {
+            if (isInJSFile(node)) {
+                if (ts.getJSDocPublicTagNoCache(node))
+                    flags |= 4 /* ModifierFlags.Public */;
+                if (ts.getJSDocPrivateTagNoCache(node))
+                    flags |= 8 /* ModifierFlags.Private */;
+                if (ts.getJSDocProtectedTagNoCache(node))
+                    flags |= 16 /* ModifierFlags.Protected */;
+                if (ts.getJSDocReadonlyTagNoCache(node))
+                    flags |= 64 /* ModifierFlags.Readonly */;
+                if (ts.getJSDocOverrideTagNoCache(node))
+                    flags |= 16384 /* ModifierFlags.Override */;
+            }
+            if (ts.getJSDocDeprecatedTagNoCache(node))
+                flags |= 8192 /* ModifierFlags.Deprecated */;
+        }
+        return flags;
+    }
+    /**
+     * Gets the effective ModifierFlags for the provided node, including JSDoc modifiers. The modifier flags cache on the node is ignored.
+     *
+     * NOTE: This function may use `parent` pointers.
+     */
+    function getEffectiveModifierFlagsNoCache(node) {
+        return getSyntacticModifierFlagsNoCache(node) | getJSDocModifierFlagsNoCache(node);
+    }
+    ts.getEffectiveModifierFlagsNoCache = getEffectiveModifierFlagsNoCache;
+    /**
+     * Gets the ModifierFlags for syntactic modifiers on the provided node. The modifier flags cache on the node is ignored.
+     *
+     * NOTE: This function does not use `parent` pointers and will not include modifiers from JSDoc.
+     */
+    function getSyntacticModifierFlagsNoCache(node) {
+        var flags = modifiersToFlags(node.modifiers);
+        if (node.flags & 4 /* NodeFlags.NestedNamespace */ || (node.kind === 79 /* SyntaxKind.Identifier */ && node.isInJSDocNamespace)) {
+            flags |= 1 /* ModifierFlags.Export */;
+        }
+        return flags;
+    }
+    ts.getSyntacticModifierFlagsNoCache = getSyntacticModifierFlagsNoCache;
+    function modifiersToFlags(modifiers) {
+        var flags = 0 /* ModifierFlags.None */;
+        if (modifiers) {
+            for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) {
+                var modifier = modifiers_1[_i];
+                flags |= modifierToFlag(modifier.kind);
+            }
+        }
+        return flags;
+    }
+    ts.modifiersToFlags = modifiersToFlags;
+    function modifierToFlag(token) {
+        switch (token) {
+            case 124 /* SyntaxKind.StaticKeyword */: return 32 /* ModifierFlags.Static */;
+            case 123 /* SyntaxKind.PublicKeyword */: return 4 /* ModifierFlags.Public */;
+            case 122 /* SyntaxKind.ProtectedKeyword */: return 16 /* ModifierFlags.Protected */;
+            case 121 /* SyntaxKind.PrivateKeyword */: return 8 /* ModifierFlags.Private */;
+            case 126 /* SyntaxKind.AbstractKeyword */: return 128 /* ModifierFlags.Abstract */;
+            case 93 /* SyntaxKind.ExportKeyword */: return 1 /* ModifierFlags.Export */;
+            case 135 /* SyntaxKind.DeclareKeyword */: return 2 /* ModifierFlags.Ambient */;
+            case 85 /* SyntaxKind.ConstKeyword */: return 2048 /* ModifierFlags.Const */;
+            case 88 /* SyntaxKind.DefaultKeyword */: return 512 /* ModifierFlags.Default */;
+            case 131 /* SyntaxKind.AsyncKeyword */: return 256 /* ModifierFlags.Async */;
+            case 145 /* SyntaxKind.ReadonlyKeyword */: return 64 /* ModifierFlags.Readonly */;
+            case 159 /* SyntaxKind.OverrideKeyword */: return 16384 /* ModifierFlags.Override */;
+            case 101 /* SyntaxKind.InKeyword */: return 32768 /* ModifierFlags.In */;
+            case 144 /* SyntaxKind.OutKeyword */: return 65536 /* ModifierFlags.Out */;
+        }
+        return 0 /* ModifierFlags.None */;
+    }
+    ts.modifierToFlag = modifierToFlag;
+    function createModifiers(modifierFlags) {
+        return modifierFlags ? ts.factory.createNodeArray(ts.factory.createModifiersFromModifierFlags(modifierFlags)) : undefined;
+    }
+    ts.createModifiers = createModifiers;
+    function isLogicalOperator(token) {
+        return token === 56 /* SyntaxKind.BarBarToken */
+            || token === 55 /* SyntaxKind.AmpersandAmpersandToken */
+            || token === 53 /* SyntaxKind.ExclamationToken */;
+    }
+    ts.isLogicalOperator = isLogicalOperator;
+    function isLogicalOrCoalescingAssignmentOperator(token) {
+        return token === 75 /* SyntaxKind.BarBarEqualsToken */
+            || token === 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */
+            || token === 77 /* SyntaxKind.QuestionQuestionEqualsToken */;
+    }
+    ts.isLogicalOrCoalescingAssignmentOperator = isLogicalOrCoalescingAssignmentOperator;
+    function isLogicalOrCoalescingAssignmentExpression(expr) {
+        return isLogicalOrCoalescingAssignmentOperator(expr.operatorToken.kind);
+    }
+    ts.isLogicalOrCoalescingAssignmentExpression = isLogicalOrCoalescingAssignmentExpression;
+    function isAssignmentOperator(token) {
+        return token >= 63 /* SyntaxKind.FirstAssignment */ && token <= 78 /* SyntaxKind.LastAssignment */;
+    }
+    ts.isAssignmentOperator = isAssignmentOperator;
+    /** Get `C` given `N` if `N` is in the position `class C extends N` where `N` is an ExpressionWithTypeArguments. */
+    function tryGetClassExtendingExpressionWithTypeArguments(node) {
+        var cls = tryGetClassImplementingOrExtendingExpressionWithTypeArguments(node);
+        return cls && !cls.isImplements ? cls.class : undefined;
+    }
+    ts.tryGetClassExtendingExpressionWithTypeArguments = tryGetClassExtendingExpressionWithTypeArguments;
+    function tryGetClassImplementingOrExtendingExpressionWithTypeArguments(node) {
+        return ts.isExpressionWithTypeArguments(node)
+            && ts.isHeritageClause(node.parent)
+            && ts.isClassLike(node.parent.parent)
+            ? { class: node.parent.parent, isImplements: node.parent.token === 117 /* SyntaxKind.ImplementsKeyword */ }
+            : undefined;
+    }
+    ts.tryGetClassImplementingOrExtendingExpressionWithTypeArguments = tryGetClassImplementingOrExtendingExpressionWithTypeArguments;
+    function isAssignmentExpression(node, excludeCompoundAssignment) {
+        return ts.isBinaryExpression(node)
+            && (excludeCompoundAssignment
+                ? node.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */
+                : isAssignmentOperator(node.operatorToken.kind))
+            && ts.isLeftHandSideExpression(node.left);
+    }
+    ts.isAssignmentExpression = isAssignmentExpression;
+    function isLeftHandSideOfAssignment(node) {
+        return isAssignmentExpression(node.parent) && node.parent.left === node;
+    }
+    ts.isLeftHandSideOfAssignment = isLeftHandSideOfAssignment;
+    function isDestructuringAssignment(node) {
+        if (isAssignmentExpression(node, /*excludeCompoundAssignment*/ true)) {
+            var kind = node.left.kind;
+            return kind === 205 /* SyntaxKind.ObjectLiteralExpression */
+                || kind === 204 /* SyntaxKind.ArrayLiteralExpression */;
+        }
+        return false;
+    }
+    ts.isDestructuringAssignment = isDestructuringAssignment;
+    function isExpressionWithTypeArgumentsInClassExtendsClause(node) {
+        return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined;
+    }
+    ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause;
+    function isEntityNameExpression(node) {
+        return node.kind === 79 /* SyntaxKind.Identifier */ || isPropertyAccessEntityNameExpression(node);
+    }
+    ts.isEntityNameExpression = isEntityNameExpression;
+    function getFirstIdentifier(node) {
+        switch (node.kind) {
+            case 79 /* SyntaxKind.Identifier */:
+                return node;
+            case 161 /* SyntaxKind.QualifiedName */:
+                do {
+                    node = node.left;
+                } while (node.kind !== 79 /* SyntaxKind.Identifier */);
+                return node;
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+                do {
+                    node = node.expression;
+                } while (node.kind !== 79 /* SyntaxKind.Identifier */);
+                return node;
+        }
+    }
+    ts.getFirstIdentifier = getFirstIdentifier;
+    function isDottedName(node) {
+        return node.kind === 79 /* SyntaxKind.Identifier */
+            || node.kind === 108 /* SyntaxKind.ThisKeyword */
+            || node.kind === 106 /* SyntaxKind.SuperKeyword */
+            || node.kind === 231 /* SyntaxKind.MetaProperty */
+            || node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && isDottedName(node.expression)
+            || node.kind === 212 /* SyntaxKind.ParenthesizedExpression */ && isDottedName(node.expression);
+    }
+    ts.isDottedName = isDottedName;
+    function isPropertyAccessEntityNameExpression(node) {
+        return ts.isPropertyAccessExpression(node) && ts.isIdentifier(node.name) && isEntityNameExpression(node.expression);
+    }
+    ts.isPropertyAccessEntityNameExpression = isPropertyAccessEntityNameExpression;
+    function tryGetPropertyAccessOrIdentifierToString(expr) {
+        if (ts.isPropertyAccessExpression(expr)) {
+            var baseStr = tryGetPropertyAccessOrIdentifierToString(expr.expression);
+            if (baseStr !== undefined) {
+                return baseStr + "." + entityNameToString(expr.name);
+            }
+        }
+        else if (ts.isElementAccessExpression(expr)) {
+            var baseStr = tryGetPropertyAccessOrIdentifierToString(expr.expression);
+            if (baseStr !== undefined && ts.isPropertyName(expr.argumentExpression)) {
+                return baseStr + "." + getPropertyNameForPropertyNameNode(expr.argumentExpression);
+            }
+        }
+        else if (ts.isIdentifier(expr)) {
+            return ts.unescapeLeadingUnderscores(expr.escapedText);
+        }
+        return undefined;
+    }
+    ts.tryGetPropertyAccessOrIdentifierToString = tryGetPropertyAccessOrIdentifierToString;
+    function isPrototypeAccess(node) {
+        return isBindableStaticAccessExpression(node) && getElementOrPropertyAccessName(node) === "prototype";
+    }
+    ts.isPrototypeAccess = isPrototypeAccess;
+    function isRightSideOfQualifiedNameOrPropertyAccess(node) {
+        return (node.parent.kind === 161 /* SyntaxKind.QualifiedName */ && node.parent.right === node) ||
+            (node.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && node.parent.name === node);
+    }
+    ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess;
+    function isRightSideOfAccessExpression(node) {
+        return ts.isPropertyAccessExpression(node.parent) && node.parent.name === node
+            || ts.isElementAccessExpression(node.parent) && node.parent.argumentExpression === node;
+    }
+    ts.isRightSideOfAccessExpression = isRightSideOfAccessExpression;
+    function isRightSideOfQualifiedNameOrPropertyAccessOrJSDocMemberName(node) {
+        return ts.isQualifiedName(node.parent) && node.parent.right === node
+            || ts.isPropertyAccessExpression(node.parent) && node.parent.name === node
+            || ts.isJSDocMemberName(node.parent) && node.parent.right === node;
+    }
+    ts.isRightSideOfQualifiedNameOrPropertyAccessOrJSDocMemberName = isRightSideOfQualifiedNameOrPropertyAccessOrJSDocMemberName;
+    function isEmptyObjectLiteral(expression) {
+        return expression.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ &&
+            expression.properties.length === 0;
+    }
+    ts.isEmptyObjectLiteral = isEmptyObjectLiteral;
+    function isEmptyArrayLiteral(expression) {
+        return expression.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ &&
+            expression.elements.length === 0;
+    }
+    ts.isEmptyArrayLiteral = isEmptyArrayLiteral;
+    function getLocalSymbolForExportDefault(symbol) {
+        if (!isExportDefaultSymbol(symbol) || !symbol.declarations)
+            return undefined;
+        for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
+            var decl = _a[_i];
+            if (decl.localSymbol)
+                return decl.localSymbol;
+        }
+        return undefined;
+    }
+    ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault;
+    function isExportDefaultSymbol(symbol) {
+        return symbol && ts.length(symbol.declarations) > 0 && hasSyntacticModifier(symbol.declarations[0], 512 /* ModifierFlags.Default */);
+    }
+    /** Return ".ts", ".d.ts", or ".tsx", if that is the extension. */
+    function tryExtractTSExtension(fileName) {
+        return ts.find(supportedTSExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); });
+    }
+    ts.tryExtractTSExtension = tryExtractTSExtension;
+    /**
+     * Replace each instance of non-ascii characters by one, two, three, or four escape sequences
+     * representing the UTF-8 encoding of the character, and return the expanded char code list.
+     */
+    function getExpandedCharCodes(input) {
+        var output = [];
+        var length = input.length;
+        for (var i = 0; i < length; i++) {
+            var charCode = input.charCodeAt(i);
+            // handle utf8
+            if (charCode < 0x80) {
+                output.push(charCode);
+            }
+            else if (charCode < 0x800) {
+                output.push((charCode >> 6) | 192);
+                output.push((charCode & 63) | 128);
+            }
+            else if (charCode < 0x10000) {
+                output.push((charCode >> 12) | 224);
+                output.push(((charCode >> 6) & 63) | 128);
+                output.push((charCode & 63) | 128);
+            }
+            else if (charCode < 0x20000) {
+                output.push((charCode >> 18) | 240);
+                output.push(((charCode >> 12) & 63) | 128);
+                output.push(((charCode >> 6) & 63) | 128);
+                output.push((charCode & 63) | 128);
+            }
+            else {
+                ts.Debug.assert(false, "Unexpected code point");
+            }
+        }
+        return output;
+    }
+    var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+    /**
+     * Converts a string to a base-64 encoded ASCII string.
+     */
+    function convertToBase64(input) {
+        var result = "";
+        var charCodes = getExpandedCharCodes(input);
+        var i = 0;
+        var length = charCodes.length;
+        var byte1, byte2, byte3, byte4;
+        while (i < length) {
+            // Convert every 6-bits in the input 3 character points
+            // into a base64 digit
+            byte1 = charCodes[i] >> 2;
+            byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4;
+            byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6;
+            byte4 = charCodes[i + 2] & 63;
+            // We are out of characters in the input, set the extra
+            // digits to 64 (padding character).
+            if (i + 1 >= length) {
+                byte3 = byte4 = 64;
+            }
+            else if (i + 2 >= length) {
+                byte4 = 64;
+            }
+            // Write to the output
+            result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4);
+            i += 3;
+        }
+        return result;
+    }
+    ts.convertToBase64 = convertToBase64;
+    function getStringFromExpandedCharCodes(codes) {
+        var output = "";
+        var i = 0;
+        var length = codes.length;
+        while (i < length) {
+            var charCode = codes[i];
+            if (charCode < 0x80) {
+                output += String.fromCharCode(charCode);
+                i++;
+            }
+            else if ((charCode & 192) === 192) {
+                var value = charCode & 63;
+                i++;
+                var nextCode = codes[i];
+                while ((nextCode & 192) === 128) {
+                    value = (value << 6) | (nextCode & 63);
+                    i++;
+                    nextCode = codes[i];
+                }
+                // `value` may be greater than 10FFFF (the maximum unicode codepoint) - JS will just make this into an invalid character for us
+                output += String.fromCharCode(value);
+            }
+            else {
+                // We don't want to kill the process when decoding fails (due to a following char byte not
+                // following a leading char), so we just print the (bad) value
+                output += String.fromCharCode(charCode);
+                i++;
+            }
+        }
+        return output;
+    }
+    function base64encode(host, input) {
+        if (host && host.base64encode) {
+            return host.base64encode(input);
+        }
+        return convertToBase64(input);
+    }
+    ts.base64encode = base64encode;
+    function base64decode(host, input) {
+        if (host && host.base64decode) {
+            return host.base64decode(input);
+        }
+        var length = input.length;
+        var expandedCharCodes = [];
+        var i = 0;
+        while (i < length) {
+            // Stop decoding once padding characters are present
+            if (input.charCodeAt(i) === base64Digits.charCodeAt(64)) {
+                break;
+            }
+            // convert 4 input digits into three characters, ignoring padding characters at the end
+            var ch1 = base64Digits.indexOf(input[i]);
+            var ch2 = base64Digits.indexOf(input[i + 1]);
+            var ch3 = base64Digits.indexOf(input[i + 2]);
+            var ch4 = base64Digits.indexOf(input[i + 3]);
+            var code1 = ((ch1 & 63) << 2) | ((ch2 >> 4) & 3);
+            var code2 = ((ch2 & 15) << 4) | ((ch3 >> 2) & 15);
+            var code3 = ((ch3 & 3) << 6) | (ch4 & 63);
+            if (code2 === 0 && ch3 !== 0) { // code2 decoded to zero, but ch3 was padding - elide code2 and code3
+                expandedCharCodes.push(code1);
+            }
+            else if (code3 === 0 && ch4 !== 0) { // code3 decoded to zero, but ch4 was padding, elide code3
+                expandedCharCodes.push(code1, code2);
+            }
+            else {
+                expandedCharCodes.push(code1, code2, code3);
+            }
+            i += 4;
+        }
+        return getStringFromExpandedCharCodes(expandedCharCodes);
+    }
+    ts.base64decode = base64decode;
+    function readJson(path, host) {
+        try {
+            var jsonText = host.readFile(path);
+            if (!jsonText)
+                return {};
+            var result = ts.parseConfigFileTextToJson(path, jsonText);
+            if (result.error) {
+                return {};
+            }
+            return result.config;
+        }
+        catch (e) {
+            // gracefully handle if readFile fails or returns not JSON
+            return {};
+        }
+    }
+    ts.readJson = readJson;
+    function directoryProbablyExists(directoryName, host) {
+        // if host does not support 'directoryExists' assume that directory will exist
+        return !host.directoryExists || host.directoryExists(directoryName);
+    }
+    ts.directoryProbablyExists = directoryProbablyExists;
+    var carriageReturnLineFeed = "\r\n";
+    var lineFeed = "\n";
+    function getNewLineCharacter(options, getNewLine) {
+        switch (options.newLine) {
+            case 0 /* NewLineKind.CarriageReturnLineFeed */:
+                return carriageReturnLineFeed;
+            case 1 /* NewLineKind.LineFeed */:
+                return lineFeed;
+        }
+        return getNewLine ? getNewLine() : ts.sys ? ts.sys.newLine : carriageReturnLineFeed;
+    }
+    ts.getNewLineCharacter = getNewLineCharacter;
+    /**
+     * Creates a new TextRange from the provided pos and end.
+     *
+     * @param pos The start position.
+     * @param end The end position.
+     */
+    function createRange(pos, end) {
+        if (end === void 0) { end = pos; }
+        ts.Debug.assert(end >= pos || end === -1);
+        return { pos: pos, end: end };
+    }
+    ts.createRange = createRange;
+    /**
+     * Creates a new TextRange from a provided range with a new end position.
+     *
+     * @param range A TextRange.
+     * @param end The new end position.
+     */
+    function moveRangeEnd(range, end) {
+        return createRange(range.pos, end);
+    }
+    ts.moveRangeEnd = moveRangeEnd;
+    /**
+     * Creates a new TextRange from a provided range with a new start position.
+     *
+     * @param range A TextRange.
+     * @param pos The new Start position.
+     */
+    function moveRangePos(range, pos) {
+        return createRange(pos, range.end);
+    }
+    ts.moveRangePos = moveRangePos;
+    /**
+     * Moves the start position of a range past any decorators.
+     */
+    function moveRangePastDecorators(node) {
+        return node.decorators && node.decorators.length > 0
+            ? moveRangePos(node, node.decorators.end)
+            : node;
+    }
+    ts.moveRangePastDecorators = moveRangePastDecorators;
+    /**
+     * Moves the start position of a range past any decorators or modifiers.
+     */
+    function moveRangePastModifiers(node) {
+        return node.modifiers && node.modifiers.length > 0
+            ? moveRangePos(node, node.modifiers.end)
+            : moveRangePastDecorators(node);
+    }
+    ts.moveRangePastModifiers = moveRangePastModifiers;
+    /**
+     * Determines whether a TextRange has the same start and end positions.
+     *
+     * @param range A TextRange.
+     */
+    function isCollapsedRange(range) {
+        return range.pos === range.end;
+    }
+    ts.isCollapsedRange = isCollapsedRange;
+    /**
+     * Creates a new TextRange for a token at the provides start position.
+     *
+     * @param pos The start position.
+     * @param token The token.
+     */
+    function createTokenRange(pos, token) {
+        return createRange(pos, pos + ts.tokenToString(token).length);
+    }
+    ts.createTokenRange = createTokenRange;
+    function rangeIsOnSingleLine(range, sourceFile) {
+        return rangeStartIsOnSameLineAsRangeEnd(range, range, sourceFile);
+    }
+    ts.rangeIsOnSingleLine = rangeIsOnSingleLine;
+    function rangeStartPositionsAreOnSameLine(range1, range2, sourceFile) {
+        return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile, /*includeComments*/ false), getStartPositionOfRange(range2, sourceFile, /*includeComments*/ false), sourceFile);
+    }
+    ts.rangeStartPositionsAreOnSameLine = rangeStartPositionsAreOnSameLine;
+    function rangeEndPositionsAreOnSameLine(range1, range2, sourceFile) {
+        return positionsAreOnSameLine(range1.end, range2.end, sourceFile);
+    }
+    ts.rangeEndPositionsAreOnSameLine = rangeEndPositionsAreOnSameLine;
+    function rangeStartIsOnSameLineAsRangeEnd(range1, range2, sourceFile) {
+        return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile, /*includeComments*/ false), range2.end, sourceFile);
+    }
+    ts.rangeStartIsOnSameLineAsRangeEnd = rangeStartIsOnSameLineAsRangeEnd;
+    function rangeEndIsOnSameLineAsRangeStart(range1, range2, sourceFile) {
+        return positionsAreOnSameLine(range1.end, getStartPositionOfRange(range2, sourceFile, /*includeComments*/ false), sourceFile);
+    }
+    ts.rangeEndIsOnSameLineAsRangeStart = rangeEndIsOnSameLineAsRangeStart;
+    function getLinesBetweenRangeEndAndRangeStart(range1, range2, sourceFile, includeSecondRangeComments) {
+        var range2Start = getStartPositionOfRange(range2, sourceFile, includeSecondRangeComments);
+        return ts.getLinesBetweenPositions(sourceFile, range1.end, range2Start);
+    }
+    ts.getLinesBetweenRangeEndAndRangeStart = getLinesBetweenRangeEndAndRangeStart;
+    function getLinesBetweenRangeEndPositions(range1, range2, sourceFile) {
+        return ts.getLinesBetweenPositions(sourceFile, range1.end, range2.end);
+    }
+    ts.getLinesBetweenRangeEndPositions = getLinesBetweenRangeEndPositions;
+    function isNodeArrayMultiLine(list, sourceFile) {
+        return !positionsAreOnSameLine(list.pos, list.end, sourceFile);
+    }
+    ts.isNodeArrayMultiLine = isNodeArrayMultiLine;
+    function positionsAreOnSameLine(pos1, pos2, sourceFile) {
+        return ts.getLinesBetweenPositions(sourceFile, pos1, pos2) === 0;
+    }
+    ts.positionsAreOnSameLine = positionsAreOnSameLine;
+    function getStartPositionOfRange(range, sourceFile, includeComments) {
+        return positionIsSynthesized(range.pos) ? -1 : ts.skipTrivia(sourceFile.text, range.pos, /*stopAfterLineBreak*/ false, includeComments);
+    }
+    ts.getStartPositionOfRange = getStartPositionOfRange;
+    function getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter(pos, stopPos, sourceFile, includeComments) {
+        var startPos = ts.skipTrivia(sourceFile.text, pos, /*stopAfterLineBreak*/ false, includeComments);
+        var prevPos = getPreviousNonWhitespacePosition(startPos, stopPos, sourceFile);
+        return ts.getLinesBetweenPositions(sourceFile, prevPos !== null && prevPos !== void 0 ? prevPos : stopPos, startPos);
+    }
+    ts.getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter = getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter;
+    function getLinesBetweenPositionAndNextNonWhitespaceCharacter(pos, stopPos, sourceFile, includeComments) {
+        var nextPos = ts.skipTrivia(sourceFile.text, pos, /*stopAfterLineBreak*/ false, includeComments);
+        return ts.getLinesBetweenPositions(sourceFile, pos, Math.min(stopPos, nextPos));
+    }
+    ts.getLinesBetweenPositionAndNextNonWhitespaceCharacter = getLinesBetweenPositionAndNextNonWhitespaceCharacter;
+    function getPreviousNonWhitespacePosition(pos, stopPos, sourceFile) {
+        if (stopPos === void 0) { stopPos = 0; }
+        while (pos-- > stopPos) {
+            if (!ts.isWhiteSpaceLike(sourceFile.text.charCodeAt(pos))) {
+                return pos;
+            }
+        }
+    }
+    /**
+     * Determines whether a name was originally the declaration name of an enum or namespace
+     * declaration.
+     */
+    function isDeclarationNameOfEnumOrNamespace(node) {
+        var parseNode = ts.getParseTreeNode(node);
+        if (parseNode) {
+            switch (parseNode.parent.kind) {
+                case 260 /* SyntaxKind.EnumDeclaration */:
+                case 261 /* SyntaxKind.ModuleDeclaration */:
+                    return parseNode === parseNode.parent.name;
+            }
+        }
+        return false;
+    }
+    ts.isDeclarationNameOfEnumOrNamespace = isDeclarationNameOfEnumOrNamespace;
+    function getInitializedVariables(node) {
+        return ts.filter(node.declarations, isInitializedVariable);
+    }
+    ts.getInitializedVariables = getInitializedVariables;
+    function isInitializedVariable(node) {
+        return node.initializer !== undefined;
+    }
+    function isWatchSet(options) {
+        // Firefox has Object.prototype.watch
+        return options.watch && options.hasOwnProperty("watch");
+    }
+    ts.isWatchSet = isWatchSet;
+    function closeFileWatcher(watcher) {
+        watcher.close();
+    }
+    ts.closeFileWatcher = closeFileWatcher;
+    function getCheckFlags(symbol) {
+        return symbol.flags & 33554432 /* SymbolFlags.Transient */ ? symbol.checkFlags : 0;
+    }
+    ts.getCheckFlags = getCheckFlags;
+    function getDeclarationModifierFlagsFromSymbol(s, isWrite) {
+        if (isWrite === void 0) { isWrite = false; }
+        if (s.valueDeclaration) {
+            var declaration = (isWrite && s.declarations && ts.find(s.declarations, function (d) { return d.kind === 173 /* SyntaxKind.SetAccessor */; })) || s.valueDeclaration;
+            var flags = ts.getCombinedModifierFlags(declaration);
+            return s.parent && s.parent.flags & 32 /* SymbolFlags.Class */ ? flags : flags & ~28 /* ModifierFlags.AccessibilityModifier */;
+        }
+        if (getCheckFlags(s) & 6 /* CheckFlags.Synthetic */) {
+            var checkFlags = s.checkFlags;
+            var accessModifier = checkFlags & 1024 /* CheckFlags.ContainsPrivate */ ? 8 /* ModifierFlags.Private */ :
+                checkFlags & 256 /* CheckFlags.ContainsPublic */ ? 4 /* ModifierFlags.Public */ :
+                    16 /* ModifierFlags.Protected */;
+            var staticModifier = checkFlags & 2048 /* CheckFlags.ContainsStatic */ ? 32 /* ModifierFlags.Static */ : 0;
+            return accessModifier | staticModifier;
+        }
+        if (s.flags & 4194304 /* SymbolFlags.Prototype */) {
+            return 4 /* ModifierFlags.Public */ | 32 /* ModifierFlags.Static */;
+        }
+        return 0;
+    }
+    ts.getDeclarationModifierFlagsFromSymbol = getDeclarationModifierFlagsFromSymbol;
+    function skipAlias(symbol, checker) {
+        return symbol.flags & 2097152 /* SymbolFlags.Alias */ ? checker.getAliasedSymbol(symbol) : symbol;
+    }
+    ts.skipAlias = skipAlias;
+    /** See comment on `declareModuleMember` in `binder.ts`. */
+    function getCombinedLocalAndExportSymbolFlags(symbol) {
+        return symbol.exportSymbol ? symbol.exportSymbol.flags | symbol.flags : symbol.flags;
+    }
+    ts.getCombinedLocalAndExportSymbolFlags = getCombinedLocalAndExportSymbolFlags;
+    function isWriteOnlyAccess(node) {
+        return accessKind(node) === 1 /* AccessKind.Write */;
+    }
+    ts.isWriteOnlyAccess = isWriteOnlyAccess;
+    function isWriteAccess(node) {
+        return accessKind(node) !== 0 /* AccessKind.Read */;
+    }
+    ts.isWriteAccess = isWriteAccess;
+    var AccessKind;
+    (function (AccessKind) {
+        /** Only reads from a variable. */
+        AccessKind[AccessKind["Read"] = 0] = "Read";
+        /** Only writes to a variable without using the result. E.g.: `x++;`. */
+        AccessKind[AccessKind["Write"] = 1] = "Write";
+        /** Writes to a variable and uses the result as an expression. E.g.: `f(x++);`. */
+        AccessKind[AccessKind["ReadWrite"] = 2] = "ReadWrite";
+    })(AccessKind || (AccessKind = {}));
+    function accessKind(node) {
+        var parent = node.parent;
+        if (!parent)
+            return 0 /* AccessKind.Read */;
+        switch (parent.kind) {
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+                return accessKind(parent);
+            case 220 /* SyntaxKind.PostfixUnaryExpression */:
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+                var operator = parent.operator;
+                return operator === 45 /* SyntaxKind.PlusPlusToken */ || operator === 46 /* SyntaxKind.MinusMinusToken */ ? writeOrReadWrite() : 0 /* AccessKind.Read */;
+            case 221 /* SyntaxKind.BinaryExpression */:
+                var _a = parent, left = _a.left, operatorToken = _a.operatorToken;
+                return left === node && isAssignmentOperator(operatorToken.kind) ?
+                    operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ ? 1 /* AccessKind.Write */ : writeOrReadWrite()
+                    : 0 /* AccessKind.Read */;
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+                return parent.name !== node ? 0 /* AccessKind.Read */ : accessKind(parent);
+            case 296 /* SyntaxKind.PropertyAssignment */: {
+                var parentAccess = accessKind(parent.parent);
+                // In `({ x: varname }) = { x: 1 }`, the left `x` is a read, the right `x` is a write.
+                return node === parent.name ? reverseAccessKind(parentAccess) : parentAccess;
+            }
+            case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                // Assume it's the local variable being accessed, since we don't check public properties for --noUnusedLocals.
+                return node === parent.objectAssignmentInitializer ? 0 /* AccessKind.Read */ : accessKind(parent.parent);
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                return accessKind(parent);
+            default:
+                return 0 /* AccessKind.Read */;
+        }
+        function writeOrReadWrite() {
+            // If grandparent is not an ExpressionStatement, this is used as an expression in addition to having a side effect.
+            return parent.parent && walkUpParenthesizedExpressions(parent.parent).kind === 238 /* SyntaxKind.ExpressionStatement */ ? 1 /* AccessKind.Write */ : 2 /* AccessKind.ReadWrite */;
+        }
+    }
+    function reverseAccessKind(a) {
+        switch (a) {
+            case 0 /* AccessKind.Read */:
+                return 1 /* AccessKind.Write */;
+            case 1 /* AccessKind.Write */:
+                return 0 /* AccessKind.Read */;
+            case 2 /* AccessKind.ReadWrite */:
+                return 2 /* AccessKind.ReadWrite */;
+            default:
+                return ts.Debug.assertNever(a);
+        }
+    }
+    function compareDataObjects(dst, src) {
+        if (!dst || !src || Object.keys(dst).length !== Object.keys(src).length) {
+            return false;
+        }
+        for (var e in dst) {
+            if (typeof dst[e] === "object") {
+                if (!compareDataObjects(dst[e], src[e])) {
+                    return false;
+                }
+            }
+            else if (typeof dst[e] !== "function") {
+                if (dst[e] !== src[e]) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+    ts.compareDataObjects = compareDataObjects;
+    /**
+     * clears already present map by calling onDeleteExistingValue callback before deleting that key/value
+     */
+    function clearMap(map, onDeleteValue) {
+        // Remove all
+        map.forEach(onDeleteValue);
+        map.clear();
+    }
+    ts.clearMap = clearMap;
+    /**
+     * Mutates the map with newMap such that keys in map will be same as newMap.
+     */
+    function mutateMapSkippingNewValues(map, newMap, options) {
+        var onDeleteValue = options.onDeleteValue, onExistingValue = options.onExistingValue;
+        // Needs update
+        map.forEach(function (existingValue, key) {
+            var valueInNewMap = newMap.get(key);
+            // Not present any more in new map, remove it
+            if (valueInNewMap === undefined) {
+                map.delete(key);
+                onDeleteValue(existingValue, key);
+            }
+            // If present notify about existing values
+            else if (onExistingValue) {
+                onExistingValue(existingValue, valueInNewMap, key);
+            }
+        });
+    }
+    ts.mutateMapSkippingNewValues = mutateMapSkippingNewValues;
+    /**
+     * Mutates the map with newMap such that keys in map will be same as newMap.
+     */
+    function mutateMap(map, newMap, options) {
+        // Needs update
+        mutateMapSkippingNewValues(map, newMap, options);
+        var createNewValue = options.createNewValue;
+        // Add new values that are not already present
+        newMap.forEach(function (valueInNewMap, key) {
+            if (!map.has(key)) {
+                // New values
+                map.set(key, createNewValue(key, valueInNewMap));
+            }
+        });
+    }
+    ts.mutateMap = mutateMap;
+    function isAbstractConstructorSymbol(symbol) {
+        if (symbol.flags & 32 /* SymbolFlags.Class */) {
+            var declaration = getClassLikeDeclarationOfSymbol(symbol);
+            return !!declaration && hasSyntacticModifier(declaration, 128 /* ModifierFlags.Abstract */);
+        }
+        return false;
+    }
+    ts.isAbstractConstructorSymbol = isAbstractConstructorSymbol;
+    function getClassLikeDeclarationOfSymbol(symbol) {
+        var _a;
+        return (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isClassLike);
+    }
+    ts.getClassLikeDeclarationOfSymbol = getClassLikeDeclarationOfSymbol;
+    function getObjectFlags(type) {
+        return type.flags & 3899393 /* TypeFlags.ObjectFlagsType */ ? type.objectFlags : 0;
+    }
+    ts.getObjectFlags = getObjectFlags;
+    function typeHasCallOrConstructSignatures(type, checker) {
+        return checker.getSignaturesOfType(type, 0 /* SignatureKind.Call */).length !== 0 || checker.getSignaturesOfType(type, 1 /* SignatureKind.Construct */).length !== 0;
+    }
+    ts.typeHasCallOrConstructSignatures = typeHasCallOrConstructSignatures;
+    function forSomeAncestorDirectory(directory, callback) {
+        return !!ts.forEachAncestorDirectory(directory, function (d) { return callback(d) ? true : undefined; });
+    }
+    ts.forSomeAncestorDirectory = forSomeAncestorDirectory;
+    function isUMDExportSymbol(symbol) {
+        return !!symbol && !!symbol.declarations && !!symbol.declarations[0] && ts.isNamespaceExportDeclaration(symbol.declarations[0]);
+    }
+    ts.isUMDExportSymbol = isUMDExportSymbol;
+    function showModuleSpecifier(_a) {
+        var moduleSpecifier = _a.moduleSpecifier;
+        return ts.isStringLiteral(moduleSpecifier) ? moduleSpecifier.text : getTextOfNode(moduleSpecifier);
+    }
+    ts.showModuleSpecifier = showModuleSpecifier;
+    function getLastChild(node) {
+        var lastChild;
+        ts.forEachChild(node, function (child) {
+            if (nodeIsPresent(child))
+                lastChild = child;
+        }, function (children) {
+            // As an optimization, jump straight to the end of the list.
+            for (var i = children.length - 1; i >= 0; i--) {
+                if (nodeIsPresent(children[i])) {
+                    lastChild = children[i];
+                    break;
+                }
+            }
+        });
+        return lastChild;
+    }
+    ts.getLastChild = getLastChild;
+    function addToSeen(seen, key, value) {
+        if (value === void 0) { value = true; }
+        if (seen.has(key)) {
+            return false;
+        }
+        seen.set(key, value);
+        return true;
+    }
+    ts.addToSeen = addToSeen;
+    function isObjectTypeDeclaration(node) {
+        return ts.isClassLike(node) || ts.isInterfaceDeclaration(node) || ts.isTypeLiteralNode(node);
+    }
+    ts.isObjectTypeDeclaration = isObjectTypeDeclaration;
+    function isTypeNodeKind(kind) {
+        return (kind >= 177 /* SyntaxKind.FirstTypeNode */ && kind <= 200 /* SyntaxKind.LastTypeNode */)
+            || kind === 130 /* SyntaxKind.AnyKeyword */
+            || kind === 155 /* SyntaxKind.UnknownKeyword */
+            || kind === 147 /* SyntaxKind.NumberKeyword */
+            || kind === 158 /* SyntaxKind.BigIntKeyword */
+            || kind === 148 /* SyntaxKind.ObjectKeyword */
+            || kind === 133 /* SyntaxKind.BooleanKeyword */
+            || kind === 150 /* SyntaxKind.StringKeyword */
+            || kind === 151 /* SyntaxKind.SymbolKeyword */
+            || kind === 114 /* SyntaxKind.VoidKeyword */
+            || kind === 153 /* SyntaxKind.UndefinedKeyword */
+            || kind === 143 /* SyntaxKind.NeverKeyword */
+            || kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */
+            || kind === 312 /* SyntaxKind.JSDocAllType */
+            || kind === 313 /* SyntaxKind.JSDocUnknownType */
+            || kind === 314 /* SyntaxKind.JSDocNullableType */
+            || kind === 315 /* SyntaxKind.JSDocNonNullableType */
+            || kind === 316 /* SyntaxKind.JSDocOptionalType */
+            || kind === 317 /* SyntaxKind.JSDocFunctionType */
+            || kind === 318 /* SyntaxKind.JSDocVariadicType */;
+    }
+    ts.isTypeNodeKind = isTypeNodeKind;
+    function isAccessExpression(node) {
+        return node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ || node.kind === 207 /* SyntaxKind.ElementAccessExpression */;
+    }
+    ts.isAccessExpression = isAccessExpression;
+    function getNameOfAccessExpression(node) {
+        if (node.kind === 206 /* SyntaxKind.PropertyAccessExpression */) {
+            return node.name;
+        }
+        ts.Debug.assert(node.kind === 207 /* SyntaxKind.ElementAccessExpression */);
+        return node.argumentExpression;
+    }
+    ts.getNameOfAccessExpression = getNameOfAccessExpression;
+    function isBundleFileTextLike(section) {
+        switch (section.kind) {
+            case "text" /* BundleFileSectionKind.Text */:
+            case "internal" /* BundleFileSectionKind.Internal */:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isBundleFileTextLike = isBundleFileTextLike;
+    function isNamedImportsOrExports(node) {
+        return node.kind === 269 /* SyntaxKind.NamedImports */ || node.kind === 273 /* SyntaxKind.NamedExports */;
+    }
+    ts.isNamedImportsOrExports = isNamedImportsOrExports;
+    function getLeftmostAccessExpression(expr) {
+        while (isAccessExpression(expr)) {
+            expr = expr.expression;
+        }
+        return expr;
+    }
+    ts.getLeftmostAccessExpression = getLeftmostAccessExpression;
+    function forEachNameInAccessChainWalkingLeft(name, action) {
+        if (isAccessExpression(name.parent) && isRightSideOfAccessExpression(name)) {
+            return walkAccessExpression(name.parent);
+        }
+        function walkAccessExpression(access) {
+            if (access.kind === 206 /* SyntaxKind.PropertyAccessExpression */) {
+                var res = action(access.name);
+                if (res !== undefined) {
+                    return res;
+                }
+            }
+            else if (access.kind === 207 /* SyntaxKind.ElementAccessExpression */) {
+                if (ts.isIdentifier(access.argumentExpression) || ts.isStringLiteralLike(access.argumentExpression)) {
+                    var res = action(access.argumentExpression);
+                    if (res !== undefined) {
+                        return res;
+                    }
+                }
+                else {
+                    // Chain interrupted by non-static-name access 'x[expr()].y.z'
+                    return undefined;
+                }
+            }
+            if (isAccessExpression(access.expression)) {
+                return walkAccessExpression(access.expression);
+            }
+            if (ts.isIdentifier(access.expression)) {
+                // End of chain at Identifier 'x.y.z'
+                return action(access.expression);
+            }
+            // End of chain at non-Identifier 'x().y.z'
+            return undefined;
+        }
+    }
+    ts.forEachNameInAccessChainWalkingLeft = forEachNameInAccessChainWalkingLeft;
+    function getLeftmostExpression(node, stopAtCallExpressions) {
+        while (true) {
+            switch (node.kind) {
+                case 220 /* SyntaxKind.PostfixUnaryExpression */:
+                    node = node.operand;
+                    continue;
+                case 221 /* SyntaxKind.BinaryExpression */:
+                    node = node.left;
+                    continue;
+                case 222 /* SyntaxKind.ConditionalExpression */:
+                    node = node.condition;
+                    continue;
+                case 210 /* SyntaxKind.TaggedTemplateExpression */:
+                    node = node.tag;
+                    continue;
+                case 208 /* SyntaxKind.CallExpression */:
+                    if (stopAtCallExpressions) {
+                        return node;
+                    }
+                // falls through
+                case 229 /* SyntaxKind.AsExpression */:
+                case 207 /* SyntaxKind.ElementAccessExpression */:
+                case 206 /* SyntaxKind.PropertyAccessExpression */:
+                case 230 /* SyntaxKind.NonNullExpression */:
+                case 350 /* SyntaxKind.PartiallyEmittedExpression */:
+                    node = node.expression;
+                    continue;
+            }
+            return node;
+        }
+    }
+    ts.getLeftmostExpression = getLeftmostExpression;
+    function Symbol(flags, name) {
+        this.flags = flags;
+        this.escapedName = name;
+        this.declarations = undefined;
+        this.valueDeclaration = undefined;
+        this.id = undefined;
+        this.mergeId = undefined;
+        this.parent = undefined;
+    }
+    function Type(checker, flags) {
+        this.flags = flags;
+        if (ts.Debug.isDebugging || ts.tracing) {
+            this.checker = checker;
+        }
+    }
+    function Signature(checker, flags) {
+        this.flags = flags;
+        if (ts.Debug.isDebugging) {
+            this.checker = checker;
+        }
+    }
+    function Node(kind, pos, end) {
+        this.pos = pos;
+        this.end = end;
+        this.kind = kind;
+        this.id = 0;
+        this.flags = 0 /* NodeFlags.None */;
+        this.modifierFlagsCache = 0 /* ModifierFlags.None */;
+        this.transformFlags = 0 /* TransformFlags.None */;
+        this.parent = undefined;
+        this.original = undefined;
+    }
+    function Token(kind, pos, end) {
+        this.pos = pos;
+        this.end = end;
+        this.kind = kind;
+        this.id = 0;
+        this.flags = 0 /* NodeFlags.None */;
+        this.transformFlags = 0 /* TransformFlags.None */;
+        this.parent = undefined;
+    }
+    function Identifier(kind, pos, end) {
+        this.pos = pos;
+        this.end = end;
+        this.kind = kind;
+        this.id = 0;
+        this.flags = 0 /* NodeFlags.None */;
+        this.transformFlags = 0 /* TransformFlags.None */;
+        this.parent = undefined;
+        this.original = undefined;
+        this.flowNode = undefined;
+    }
+    function SourceMapSource(fileName, text, skipTrivia) {
+        this.fileName = fileName;
+        this.text = text;
+        this.skipTrivia = skipTrivia || (function (pos) { return pos; });
+    }
+    // eslint-disable-next-line prefer-const
+    ts.objectAllocator = {
+        getNodeConstructor: function () { return Node; },
+        getTokenConstructor: function () { return Token; },
+        getIdentifierConstructor: function () { return Identifier; },
+        getPrivateIdentifierConstructor: function () { return Node; },
+        getSourceFileConstructor: function () { return Node; },
+        getSymbolConstructor: function () { return Symbol; },
+        getTypeConstructor: function () { return Type; },
+        getSignatureConstructor: function () { return Signature; },
+        getSourceMapSourceConstructor: function () { return SourceMapSource; },
+    };
+    function setObjectAllocator(alloc) {
+        Object.assign(ts.objectAllocator, alloc);
+    }
+    ts.setObjectAllocator = setObjectAllocator;
+    function formatStringFromArgs(text, args, baseIndex) {
+        if (baseIndex === void 0) { baseIndex = 0; }
+        return text.replace(/{(\d+)}/g, function (_match, index) { return "" + ts.Debug.checkDefined(args[+index + baseIndex]); });
+    }
+    ts.formatStringFromArgs = formatStringFromArgs;
+    var localizedDiagnosticMessages;
+    /* @internal */
+    function setLocalizedDiagnosticMessages(messages) {
+        localizedDiagnosticMessages = messages;
+    }
+    ts.setLocalizedDiagnosticMessages = setLocalizedDiagnosticMessages;
+    /* @internal */
+    // If the localized messages json is unset, and if given function use it to set the json
+    function maybeSetLocalizedDiagnosticMessages(getMessages) {
+        if (!localizedDiagnosticMessages && getMessages) {
+            localizedDiagnosticMessages = getMessages();
+        }
+    }
+    ts.maybeSetLocalizedDiagnosticMessages = maybeSetLocalizedDiagnosticMessages;
+    function getLocaleSpecificMessage(message) {
+        return localizedDiagnosticMessages && localizedDiagnosticMessages[message.key] || message.message;
+    }
+    ts.getLocaleSpecificMessage = getLocaleSpecificMessage;
+    function createDetachedDiagnostic(fileName, start, length, message) {
+        assertDiagnosticLocation(/*file*/ undefined, start, length);
+        var text = getLocaleSpecificMessage(message);
+        if (arguments.length > 4) {
+            text = formatStringFromArgs(text, arguments, 4);
+        }
+        return {
+            file: undefined,
+            start: start,
+            length: length,
+            messageText: text,
+            category: message.category,
+            code: message.code,
+            reportsUnnecessary: message.reportsUnnecessary,
+            fileName: fileName,
+        };
+    }
+    ts.createDetachedDiagnostic = createDetachedDiagnostic;
+    function isDiagnosticWithDetachedLocation(diagnostic) {
+        return diagnostic.file === undefined
+            && diagnostic.start !== undefined
+            && diagnostic.length !== undefined
+            && typeof diagnostic.fileName === "string";
+    }
+    function attachFileToDiagnostic(diagnostic, file) {
+        var fileName = file.fileName || "";
+        var length = file.text.length;
+        ts.Debug.assertEqual(diagnostic.fileName, fileName);
+        ts.Debug.assertLessThanOrEqual(diagnostic.start, length);
+        ts.Debug.assertLessThanOrEqual(diagnostic.start + diagnostic.length, length);
+        var diagnosticWithLocation = {
+            file: file,
+            start: diagnostic.start,
+            length: diagnostic.length,
+            messageText: diagnostic.messageText,
+            category: diagnostic.category,
+            code: diagnostic.code,
+            reportsUnnecessary: diagnostic.reportsUnnecessary
+        };
+        if (diagnostic.relatedInformation) {
+            diagnosticWithLocation.relatedInformation = [];
+            for (var _i = 0, _a = diagnostic.relatedInformation; _i < _a.length; _i++) {
+                var related = _a[_i];
+                if (isDiagnosticWithDetachedLocation(related) && related.fileName === fileName) {
+                    ts.Debug.assertLessThanOrEqual(related.start, length);
+                    ts.Debug.assertLessThanOrEqual(related.start + related.length, length);
+                    diagnosticWithLocation.relatedInformation.push(attachFileToDiagnostic(related, file));
+                }
+                else {
+                    diagnosticWithLocation.relatedInformation.push(related);
+                }
+            }
+        }
+        return diagnosticWithLocation;
+    }
+    function attachFileToDiagnostics(diagnostics, file) {
+        var diagnosticsWithLocation = [];
+        for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) {
+            var diagnostic = diagnostics_1[_i];
+            diagnosticsWithLocation.push(attachFileToDiagnostic(diagnostic, file));
+        }
+        return diagnosticsWithLocation;
+    }
+    ts.attachFileToDiagnostics = attachFileToDiagnostics;
+    function createFileDiagnostic(file, start, length, message) {
+        assertDiagnosticLocation(file, start, length);
+        var text = getLocaleSpecificMessage(message);
+        if (arguments.length > 4) {
+            text = formatStringFromArgs(text, arguments, 4);
+        }
+        return {
+            file: file,
+            start: start,
+            length: length,
+            messageText: text,
+            category: message.category,
+            code: message.code,
+            reportsUnnecessary: message.reportsUnnecessary,
+            reportsDeprecated: message.reportsDeprecated
+        };
+    }
+    ts.createFileDiagnostic = createFileDiagnostic;
+    function formatMessage(_dummy, message) {
+        var text = getLocaleSpecificMessage(message);
+        if (arguments.length > 2) {
+            text = formatStringFromArgs(text, arguments, 2);
+        }
+        return text;
+    }
+    ts.formatMessage = formatMessage;
+    function createCompilerDiagnostic(message) {
+        var text = getLocaleSpecificMessage(message);
+        if (arguments.length > 1) {
+            text = formatStringFromArgs(text, arguments, 1);
+        }
+        return {
+            file: undefined,
+            start: undefined,
+            length: undefined,
+            messageText: text,
+            category: message.category,
+            code: message.code,
+            reportsUnnecessary: message.reportsUnnecessary,
+            reportsDeprecated: message.reportsDeprecated
+        };
+    }
+    ts.createCompilerDiagnostic = createCompilerDiagnostic;
+    function createCompilerDiagnosticFromMessageChain(chain, relatedInformation) {
+        return {
+            file: undefined,
+            start: undefined,
+            length: undefined,
+            code: chain.code,
+            category: chain.category,
+            messageText: chain.next ? chain : chain.messageText,
+            relatedInformation: relatedInformation
+        };
+    }
+    ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain;
+    function chainDiagnosticMessages(details, message) {
+        var text = getLocaleSpecificMessage(message);
+        if (arguments.length > 2) {
+            text = formatStringFromArgs(text, arguments, 2);
+        }
+        return {
+            messageText: text,
+            category: message.category,
+            code: message.code,
+            next: details === undefined || Array.isArray(details) ? details : [details]
+        };
+    }
+    ts.chainDiagnosticMessages = chainDiagnosticMessages;
+    function concatenateDiagnosticMessageChains(headChain, tailChain) {
+        var lastChain = headChain;
+        while (lastChain.next) {
+            lastChain = lastChain.next[0];
+        }
+        lastChain.next = [tailChain];
+    }
+    ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains;
+    function getDiagnosticFilePath(diagnostic) {
+        return diagnostic.file ? diagnostic.file.path : undefined;
+    }
+    function compareDiagnostics(d1, d2) {
+        return compareDiagnosticsSkipRelatedInformation(d1, d2) ||
+            compareRelatedInformation(d1, d2) ||
+            0 /* Comparison.EqualTo */;
+    }
+    ts.compareDiagnostics = compareDiagnostics;
+    function compareDiagnosticsSkipRelatedInformation(d1, d2) {
+        return ts.compareStringsCaseSensitive(getDiagnosticFilePath(d1), getDiagnosticFilePath(d2)) ||
+            ts.compareValues(d1.start, d2.start) ||
+            ts.compareValues(d1.length, d2.length) ||
+            ts.compareValues(d1.code, d2.code) ||
+            compareMessageText(d1.messageText, d2.messageText) ||
+            0 /* Comparison.EqualTo */;
+    }
+    ts.compareDiagnosticsSkipRelatedInformation = compareDiagnosticsSkipRelatedInformation;
+    function compareRelatedInformation(d1, d2) {
+        if (!d1.relatedInformation && !d2.relatedInformation) {
+            return 0 /* Comparison.EqualTo */;
+        }
+        if (d1.relatedInformation && d2.relatedInformation) {
+            return ts.compareValues(d1.relatedInformation.length, d2.relatedInformation.length) || ts.forEach(d1.relatedInformation, function (d1i, index) {
+                var d2i = d2.relatedInformation[index];
+                return compareDiagnostics(d1i, d2i); // EqualTo is 0, so falsy, and will cause the next item to be compared
+            }) || 0 /* Comparison.EqualTo */;
+        }
+        return d1.relatedInformation ? -1 /* Comparison.LessThan */ : 1 /* Comparison.GreaterThan */;
+    }
+    function compareMessageText(t1, t2) {
+        if (typeof t1 === "string" && typeof t2 === "string") {
+            return ts.compareStringsCaseSensitive(t1, t2);
+        }
+        else if (typeof t1 === "string") {
+            return -1 /* Comparison.LessThan */;
+        }
+        else if (typeof t2 === "string") {
+            return 1 /* Comparison.GreaterThan */;
+        }
+        var res = ts.compareStringsCaseSensitive(t1.messageText, t2.messageText);
+        if (res) {
+            return res;
+        }
+        if (!t1.next && !t2.next) {
+            return 0 /* Comparison.EqualTo */;
+        }
+        if (!t1.next) {
+            return -1 /* Comparison.LessThan */;
+        }
+        if (!t2.next) {
+            return 1 /* Comparison.GreaterThan */;
+        }
+        var len = Math.min(t1.next.length, t2.next.length);
+        for (var i = 0; i < len; i++) {
+            res = compareMessageText(t1.next[i], t2.next[i]);
+            if (res) {
+                return res;
+            }
+        }
+        if (t1.next.length < t2.next.length) {
+            return -1 /* Comparison.LessThan */;
+        }
+        else if (t1.next.length > t2.next.length) {
+            return 1 /* Comparison.GreaterThan */;
+        }
+        return 0 /* Comparison.EqualTo */;
+    }
+    function getLanguageVariant(scriptKind) {
+        // .tsx and .jsx files are treated as jsx language variant.
+        return scriptKind === 4 /* ScriptKind.TSX */ || scriptKind === 2 /* ScriptKind.JSX */ || scriptKind === 1 /* ScriptKind.JS */ || scriptKind === 6 /* ScriptKind.JSON */ ? 1 /* LanguageVariant.JSX */ : 0 /* LanguageVariant.Standard */;
+    }
+    ts.getLanguageVariant = getLanguageVariant;
+    /**
+     * This is a somewhat unavoidable full tree walk to locate a JSX tag - `import.meta` requires the same,
+     * but we avoid that walk (or parts of it) if at all possible using the `PossiblyContainsImportMeta` node flag.
+     * Unfortunately, there's no `NodeFlag` space to do the same for JSX.
+     */
+    function walkTreeForJSXTags(node) {
+        if (!(node.transformFlags & 2 /* TransformFlags.ContainsJsx */))
+            return undefined;
+        return ts.isJsxOpeningLikeElement(node) || ts.isJsxFragment(node) ? node : ts.forEachChild(node, walkTreeForJSXTags);
+    }
+    function isFileModuleFromUsingJSXTag(file) {
+        // Excludes declaration files - they still require an explicit `export {}` or the like
+        // for back compat purposes. (not that declaration files should contain JSX tags!)
+        return !file.isDeclarationFile ? walkTreeForJSXTags(file) : undefined;
+    }
+    /**
+     * Note that this requires file.impliedNodeFormat be set already; meaning it must be set very early on
+     * in SourceFile construction.
+     */
+    function isFileForcedToBeModuleByFormat(file) {
+        // Excludes declaration files - they still require an explicit `export {}` or the like
+        // for back compat purposes. The only non-declaration files _not_ forced to be a module are `.js` files
+        // that aren't esm-mode (meaning not in a `type: module` scope).
+        return (file.impliedNodeFormat === ts.ModuleKind.ESNext || (ts.fileExtensionIsOneOf(file.fileName, [".cjs" /* Extension.Cjs */, ".cts" /* Extension.Cts */]))) && !file.isDeclarationFile ? true : undefined;
+    }
+    function getSetExternalModuleIndicator(options) {
+        // TODO: Should this callback be cached?
+        switch (getEmitModuleDetectionKind(options)) {
+            case ts.ModuleDetectionKind.Force:
+                // All non-declaration files are modules, declaration files still do the usual isFileProbablyExternalModule
+                return function (file) {
+                    file.externalModuleIndicator = ts.isFileProbablyExternalModule(file) || !file.isDeclarationFile || undefined;
+                };
+            case ts.ModuleDetectionKind.Legacy:
+                // Files are modules if they have imports, exports, or import.meta
+                return function (file) {
+                    file.externalModuleIndicator = ts.isFileProbablyExternalModule(file);
+                };
+            case ts.ModuleDetectionKind.Auto:
+                // If module is nodenext or node16, all esm format files are modules
+                // If jsx is react-jsx or react-jsxdev then jsx tags force module-ness
+                // otherwise, the presence of import or export statments (or import.meta) implies module-ness
+                var checks = [ts.isFileProbablyExternalModule];
+                if (options.jsx === 4 /* JsxEmit.ReactJSX */ || options.jsx === 5 /* JsxEmit.ReactJSXDev */) {
+                    checks.push(isFileModuleFromUsingJSXTag);
+                }
+                var moduleKind = getEmitModuleKind(options);
+                if (moduleKind === ts.ModuleKind.Node16 || moduleKind === ts.ModuleKind.NodeNext) {
+                    checks.push(isFileForcedToBeModuleByFormat);
+                }
+                var combined_1 = ts.or.apply(void 0, checks);
+                var callback = function (file) { return void (file.externalModuleIndicator = combined_1(file)); };
+                return callback;
+        }
+    }
+    ts.getSetExternalModuleIndicator = getSetExternalModuleIndicator;
+    function getEmitScriptTarget(compilerOptions) {
+        return compilerOptions.target ||
+            (compilerOptions.module === ts.ModuleKind.Node16 && 9 /* ScriptTarget.ES2022 */) ||
+            (compilerOptions.module === ts.ModuleKind.NodeNext && 99 /* ScriptTarget.ESNext */) ||
+            0 /* ScriptTarget.ES3 */;
+    }
+    ts.getEmitScriptTarget = getEmitScriptTarget;
+    function getEmitModuleKind(compilerOptions) {
+        return typeof compilerOptions.module === "number" ?
+            compilerOptions.module :
+            getEmitScriptTarget(compilerOptions) >= 2 /* ScriptTarget.ES2015 */ ? ts.ModuleKind.ES2015 : ts.ModuleKind.CommonJS;
+    }
+    ts.getEmitModuleKind = getEmitModuleKind;
+    function getEmitModuleResolutionKind(compilerOptions) {
+        var moduleResolution = compilerOptions.moduleResolution;
+        if (moduleResolution === undefined) {
+            switch (getEmitModuleKind(compilerOptions)) {
+                case ts.ModuleKind.CommonJS:
+                    moduleResolution = ts.ModuleResolutionKind.NodeJs;
+                    break;
+                case ts.ModuleKind.Node16:
+                    moduleResolution = ts.ModuleResolutionKind.Node16;
+                    break;
+                case ts.ModuleKind.NodeNext:
+                    moduleResolution = ts.ModuleResolutionKind.NodeNext;
+                    break;
+                default:
+                    moduleResolution = ts.ModuleResolutionKind.Classic;
+                    break;
+            }
+        }
+        return moduleResolution;
+    }
+    ts.getEmitModuleResolutionKind = getEmitModuleResolutionKind;
+    function getEmitModuleDetectionKind(options) {
+        return options.moduleDetection ||
+            (getEmitModuleKind(options) === ts.ModuleKind.Node16 || getEmitModuleKind(options) === ts.ModuleKind.NodeNext ? ts.ModuleDetectionKind.Force : ts.ModuleDetectionKind.Auto);
+    }
+    ts.getEmitModuleDetectionKind = getEmitModuleDetectionKind;
+    function hasJsonModuleEmitEnabled(options) {
+        switch (getEmitModuleKind(options)) {
+            case ts.ModuleKind.CommonJS:
+            case ts.ModuleKind.AMD:
+            case ts.ModuleKind.ES2015:
+            case ts.ModuleKind.ES2020:
+            case ts.ModuleKind.ES2022:
+            case ts.ModuleKind.ESNext:
+            case ts.ModuleKind.Node16:
+            case ts.ModuleKind.NodeNext:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.hasJsonModuleEmitEnabled = hasJsonModuleEmitEnabled;
+    function unreachableCodeIsError(options) {
+        return options.allowUnreachableCode === false;
+    }
+    ts.unreachableCodeIsError = unreachableCodeIsError;
+    function unusedLabelIsError(options) {
+        return options.allowUnusedLabels === false;
+    }
+    ts.unusedLabelIsError = unusedLabelIsError;
+    function getAreDeclarationMapsEnabled(options) {
+        return !!(getEmitDeclarations(options) && options.declarationMap);
+    }
+    ts.getAreDeclarationMapsEnabled = getAreDeclarationMapsEnabled;
+    function getESModuleInterop(compilerOptions) {
+        if (compilerOptions.esModuleInterop !== undefined) {
+            return compilerOptions.esModuleInterop;
+        }
+        switch (getEmitModuleKind(compilerOptions)) {
+            case ts.ModuleKind.Node16:
+            case ts.ModuleKind.NodeNext:
+                return true;
+        }
+        return undefined;
+    }
+    ts.getESModuleInterop = getESModuleInterop;
+    function getAllowSyntheticDefaultImports(compilerOptions) {
+        var moduleKind = getEmitModuleKind(compilerOptions);
+        return compilerOptions.allowSyntheticDefaultImports !== undefined
+            ? compilerOptions.allowSyntheticDefaultImports
+            : getESModuleInterop(compilerOptions) ||
+                moduleKind === ts.ModuleKind.System;
+    }
+    ts.getAllowSyntheticDefaultImports = getAllowSyntheticDefaultImports;
+    function getEmitDeclarations(compilerOptions) {
+        return !!(compilerOptions.declaration || compilerOptions.composite);
+    }
+    ts.getEmitDeclarations = getEmitDeclarations;
+    function shouldPreserveConstEnums(compilerOptions) {
+        return !!(compilerOptions.preserveConstEnums || compilerOptions.isolatedModules);
+    }
+    ts.shouldPreserveConstEnums = shouldPreserveConstEnums;
+    function isIncrementalCompilation(options) {
+        return !!(options.incremental || options.composite);
+    }
+    ts.isIncrementalCompilation = isIncrementalCompilation;
+    function getStrictOptionValue(compilerOptions, flag) {
+        return compilerOptions[flag] === undefined ? !!compilerOptions.strict : !!compilerOptions[flag];
+    }
+    ts.getStrictOptionValue = getStrictOptionValue;
+    function getAllowJSCompilerOption(compilerOptions) {
+        return compilerOptions.allowJs === undefined ? !!compilerOptions.checkJs : compilerOptions.allowJs;
+    }
+    ts.getAllowJSCompilerOption = getAllowJSCompilerOption;
+    function getUseDefineForClassFields(compilerOptions) {
+        return compilerOptions.useDefineForClassFields === undefined ? getEmitScriptTarget(compilerOptions) >= 9 /* ScriptTarget.ES2022 */ : compilerOptions.useDefineForClassFields;
+    }
+    ts.getUseDefineForClassFields = getUseDefineForClassFields;
+    function compilerOptionsAffectSemanticDiagnostics(newOptions, oldOptions) {
+        return optionsHaveChanges(oldOptions, newOptions, ts.semanticDiagnosticsOptionDeclarations);
+    }
+    ts.compilerOptionsAffectSemanticDiagnostics = compilerOptionsAffectSemanticDiagnostics;
+    function compilerOptionsAffectEmit(newOptions, oldOptions) {
+        return optionsHaveChanges(oldOptions, newOptions, ts.affectsEmitOptionDeclarations);
+    }
+    ts.compilerOptionsAffectEmit = compilerOptionsAffectEmit;
+    function getCompilerOptionValue(options, option) {
+        return option.strictFlag ? getStrictOptionValue(options, option.name) : options[option.name];
+    }
+    ts.getCompilerOptionValue = getCompilerOptionValue;
+    function getJSXTransformEnabled(options) {
+        var jsx = options.jsx;
+        return jsx === 2 /* JsxEmit.React */ || jsx === 4 /* JsxEmit.ReactJSX */ || jsx === 5 /* JsxEmit.ReactJSXDev */;
+    }
+    ts.getJSXTransformEnabled = getJSXTransformEnabled;
+    function getJSXImplicitImportBase(compilerOptions, file) {
+        var jsxImportSourcePragmas = file === null || file === void 0 ? void 0 : file.pragmas.get("jsximportsource");
+        var jsxImportSourcePragma = ts.isArray(jsxImportSourcePragmas) ? jsxImportSourcePragmas[jsxImportSourcePragmas.length - 1] : jsxImportSourcePragmas;
+        return compilerOptions.jsx === 4 /* JsxEmit.ReactJSX */ ||
+            compilerOptions.jsx === 5 /* JsxEmit.ReactJSXDev */ ||
+            compilerOptions.jsxImportSource ||
+            jsxImportSourcePragma ?
+            (jsxImportSourcePragma === null || jsxImportSourcePragma === void 0 ? void 0 : jsxImportSourcePragma.arguments.factory) || compilerOptions.jsxImportSource || "react" :
+            undefined;
+    }
+    ts.getJSXImplicitImportBase = getJSXImplicitImportBase;
+    function getJSXRuntimeImport(base, options) {
+        return base ? "".concat(base, "/").concat(options.jsx === 5 /* JsxEmit.ReactJSXDev */ ? "jsx-dev-runtime" : "jsx-runtime") : undefined;
+    }
+    ts.getJSXRuntimeImport = getJSXRuntimeImport;
+    function hasZeroOrOneAsteriskCharacter(str) {
+        var seenAsterisk = false;
+        for (var i = 0; i < str.length; i++) {
+            if (str.charCodeAt(i) === 42 /* CharacterCodes.asterisk */) {
+                if (!seenAsterisk) {
+                    seenAsterisk = true;
+                }
+                else {
+                    // have already seen asterisk
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+    ts.hasZeroOrOneAsteriskCharacter = hasZeroOrOneAsteriskCharacter;
+    function createSymlinkCache(cwd, getCanonicalFileName) {
+        var symlinkedDirectories;
+        var symlinkedDirectoriesByRealpath;
+        var symlinkedFiles;
+        var hasProcessedResolutions = false;
+        return {
+            getSymlinkedFiles: function () { return symlinkedFiles; },
+            getSymlinkedDirectories: function () { return symlinkedDirectories; },
+            getSymlinkedDirectoriesByRealpath: function () { return symlinkedDirectoriesByRealpath; },
+            setSymlinkedFile: function (path, real) { return (symlinkedFiles || (symlinkedFiles = new ts.Map())).set(path, real); },
+            setSymlinkedDirectory: function (symlink, real) {
+                // Large, interconnected dependency graphs in pnpm will have a huge number of symlinks
+                // where both the realpath and the symlink path are inside node_modules/.pnpm. Since
+                // this path is never a candidate for a module specifier, we can ignore it entirely.
+                var symlinkPath = ts.toPath(symlink, cwd, getCanonicalFileName);
+                if (!containsIgnoredPath(symlinkPath)) {
+                    symlinkPath = ts.ensureTrailingDirectorySeparator(symlinkPath);
+                    if (real !== false && !(symlinkedDirectories === null || symlinkedDirectories === void 0 ? void 0 : symlinkedDirectories.has(symlinkPath))) {
+                        (symlinkedDirectoriesByRealpath || (symlinkedDirectoriesByRealpath = ts.createMultiMap())).add(ts.ensureTrailingDirectorySeparator(real.realPath), symlink);
+                    }
+                    (symlinkedDirectories || (symlinkedDirectories = new ts.Map())).set(symlinkPath, real);
+                }
+            },
+            setSymlinksFromResolutions: function (files, typeReferenceDirectives) {
+                var _this = this;
+                var _a;
+                ts.Debug.assert(!hasProcessedResolutions);
+                hasProcessedResolutions = true;
+                for (var _i = 0, files_1 = files; _i < files_1.length; _i++) {
+                    var file = files_1[_i];
+                    (_a = file.resolvedModules) === null || _a === void 0 ? void 0 : _a.forEach(function (resolution) { return processResolution(_this, resolution); });
+                }
+                typeReferenceDirectives === null || typeReferenceDirectives === void 0 ? void 0 : typeReferenceDirectives.forEach(function (resolution) { return processResolution(_this, resolution); });
+            },
+            hasProcessedResolutions: function () { return hasProcessedResolutions; },
+        };
+        function processResolution(cache, resolution) {
+            if (!resolution || !resolution.originalPath || !resolution.resolvedFileName)
+                return;
+            var resolvedFileName = resolution.resolvedFileName, originalPath = resolution.originalPath;
+            cache.setSymlinkedFile(ts.toPath(originalPath, cwd, getCanonicalFileName), resolvedFileName);
+            var _a = guessDirectorySymlink(resolvedFileName, originalPath, cwd, getCanonicalFileName) || ts.emptyArray, commonResolved = _a[0], commonOriginal = _a[1];
+            if (commonResolved && commonOriginal) {
+                cache.setSymlinkedDirectory(commonOriginal, { real: commonResolved, realPath: ts.toPath(commonResolved, cwd, getCanonicalFileName) });
+            }
+        }
+    }
+    ts.createSymlinkCache = createSymlinkCache;
+    function guessDirectorySymlink(a, b, cwd, getCanonicalFileName) {
+        var aParts = ts.getPathComponents(ts.getNormalizedAbsolutePath(a, cwd));
+        var bParts = ts.getPathComponents(ts.getNormalizedAbsolutePath(b, cwd));
+        var isDirectory = false;
+        while (aParts.length >= 2 && bParts.length >= 2 &&
+            !isNodeModulesOrScopedPackageDirectory(aParts[aParts.length - 2], getCanonicalFileName) &&
+            !isNodeModulesOrScopedPackageDirectory(bParts[bParts.length - 2], getCanonicalFileName) &&
+            getCanonicalFileName(aParts[aParts.length - 1]) === getCanonicalFileName(bParts[bParts.length - 1])) {
+            aParts.pop();
+            bParts.pop();
+            isDirectory = true;
+        }
+        return isDirectory ? [ts.getPathFromPathComponents(aParts), ts.getPathFromPathComponents(bParts)] : undefined;
+    }
+    // KLUDGE: Don't assume one 'node_modules' links to another. More likely a single directory inside the node_modules is the symlink.
+    // ALso, don't assume that an `@foo` directory is linked. More likely the contents of that are linked.
+    function isNodeModulesOrScopedPackageDirectory(s, getCanonicalFileName) {
+        return s !== undefined && (getCanonicalFileName(s) === "node_modules" || ts.startsWith(s, "@"));
+    }
+    function stripLeadingDirectorySeparator(s) {
+        return ts.isAnyDirectorySeparator(s.charCodeAt(0)) ? s.slice(1) : undefined;
+    }
+    function tryRemoveDirectoryPrefix(path, dirPath, getCanonicalFileName) {
+        var withoutPrefix = ts.tryRemovePrefix(path, dirPath, getCanonicalFileName);
+        return withoutPrefix === undefined ? undefined : stripLeadingDirectorySeparator(withoutPrefix);
+    }
+    ts.tryRemoveDirectoryPrefix = tryRemoveDirectoryPrefix;
+    // Reserved characters, forces escaping of any non-word (or digit), non-whitespace character.
+    // It may be inefficient (we could just match (/[-[\]{}()*+?.,\\^$|#\s]/g), but this is future
+    // proof.
+    var reservedCharacterPattern = /[^\w\s\/]/g;
+    function regExpEscape(text) {
+        return text.replace(reservedCharacterPattern, escapeRegExpCharacter);
+    }
+    ts.regExpEscape = regExpEscape;
+    function escapeRegExpCharacter(match) {
+        return "\\" + match;
+    }
+    var wildcardCharCodes = [42 /* CharacterCodes.asterisk */, 63 /* CharacterCodes.question */];
+    ts.commonPackageFolders = ["node_modules", "bower_components", "jspm_packages"];
+    var implicitExcludePathRegexPattern = "(?!(".concat(ts.commonPackageFolders.join("|"), ")(/|$))");
+    var filesMatcher = {
+        /**
+         * Matches any single directory segment unless it is the last segment and a .min.js file
+         * Breakdown:
+         *  [^./]                   # matches everything up to the first . character (excluding directory separators)
+         *  (\\.(?!min\\.js$))?     # matches . characters but not if they are part of the .min.js file extension
+         */
+        singleAsteriskRegexFragment: "([^./]|(\\.(?!min\\.js$))?)*",
+        /**
+         * Regex for the ** wildcard. Matches any number of subdirectories. When used for including
+         * files or directories, does not match subdirectories that start with a . character
+         */
+        doubleAsteriskRegexFragment: "(/".concat(implicitExcludePathRegexPattern, "[^/.][^/]*)*?"),
+        replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, filesMatcher.singleAsteriskRegexFragment); }
+    };
+    var directoriesMatcher = {
+        singleAsteriskRegexFragment: "[^/]*",
+        /**
+         * Regex for the ** wildcard. Matches any number of subdirectories. When used for including
+         * files or directories, does not match subdirectories that start with a . character
+         */
+        doubleAsteriskRegexFragment: "(/".concat(implicitExcludePathRegexPattern, "[^/.][^/]*)*?"),
+        replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, directoriesMatcher.singleAsteriskRegexFragment); }
+    };
+    var excludeMatcher = {
+        singleAsteriskRegexFragment: "[^/]*",
+        doubleAsteriskRegexFragment: "(/.+?)?",
+        replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, excludeMatcher.singleAsteriskRegexFragment); }
+    };
+    var wildcardMatchers = {
+        files: filesMatcher,
+        directories: directoriesMatcher,
+        exclude: excludeMatcher
+    };
+    function getRegularExpressionForWildcard(specs, basePath, usage) {
+        var patterns = getRegularExpressionsForWildcards(specs, basePath, usage);
+        if (!patterns || !patterns.length) {
+            return undefined;
+        }
+        var pattern = patterns.map(function (pattern) { return "(".concat(pattern, ")"); }).join("|");
+        // If excluding, match "foo/bar/baz...", but if including, only allow "foo".
+        var terminator = usage === "exclude" ? "($|/)" : "$";
+        return "^(".concat(pattern, ")").concat(terminator);
+    }
+    ts.getRegularExpressionForWildcard = getRegularExpressionForWildcard;
+    function getRegularExpressionsForWildcards(specs, basePath, usage) {
+        if (specs === undefined || specs.length === 0) {
+            return undefined;
+        }
+        return ts.flatMap(specs, function (spec) {
+            return spec && getSubPatternFromSpec(spec, basePath, usage, wildcardMatchers[usage]);
+        });
+    }
+    ts.getRegularExpressionsForWildcards = getRegularExpressionsForWildcards;
+    /**
+     * An "includes" path "foo" is implicitly a glob "foo/** /*" (without the space) if its last component has no extension,
+     * and does not contain any glob characters itself.
+     */
+    function isImplicitGlob(lastPathComponent) {
+        return !/[.*?]/.test(lastPathComponent);
+    }
+    ts.isImplicitGlob = isImplicitGlob;
+    function getPatternFromSpec(spec, basePath, usage) {
+        var pattern = spec && getSubPatternFromSpec(spec, basePath, usage, wildcardMatchers[usage]);
+        return pattern && "^(".concat(pattern, ")").concat(usage === "exclude" ? "($|/)" : "$");
+    }
+    ts.getPatternFromSpec = getPatternFromSpec;
+    function getSubPatternFromSpec(spec, basePath, usage, _a) {
+        var singleAsteriskRegexFragment = _a.singleAsteriskRegexFragment, doubleAsteriskRegexFragment = _a.doubleAsteriskRegexFragment, replaceWildcardCharacter = _a.replaceWildcardCharacter;
+        var subpattern = "";
+        var hasWrittenComponent = false;
+        var components = ts.getNormalizedPathComponents(spec, basePath);
+        var lastComponent = ts.last(components);
+        if (usage !== "exclude" && lastComponent === "**") {
+            return undefined;
+        }
+        // getNormalizedPathComponents includes the separator for the root component.
+        // We need to remove to create our regex correctly.
+        components[0] = ts.removeTrailingDirectorySeparator(components[0]);
+        if (isImplicitGlob(lastComponent)) {
+            components.push("**", "*");
+        }
+        var optionalCount = 0;
+        for (var _i = 0, components_1 = components; _i < components_1.length; _i++) {
+            var component = components_1[_i];
+            if (component === "**") {
+                subpattern += doubleAsteriskRegexFragment;
+            }
+            else {
+                if (usage === "directories") {
+                    subpattern += "(";
+                    optionalCount++;
+                }
+                if (hasWrittenComponent) {
+                    subpattern += ts.directorySeparator;
+                }
+                if (usage !== "exclude") {
+                    var componentPattern = "";
+                    // The * and ? wildcards should not match directories or files that start with . if they
+                    // appear first in a component. Dotted directories and files can be included explicitly
+                    // like so: **/.*/.*
+                    if (component.charCodeAt(0) === 42 /* CharacterCodes.asterisk */) {
+                        componentPattern += "([^./]" + singleAsteriskRegexFragment + ")?";
+                        component = component.substr(1);
+                    }
+                    else if (component.charCodeAt(0) === 63 /* CharacterCodes.question */) {
+                        componentPattern += "[^./]";
+                        component = component.substr(1);
+                    }
+                    componentPattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
+                    // Patterns should not include subfolders like node_modules unless they are
+                    // explicitly included as part of the path.
+                    //
+                    // As an optimization, if the component pattern is the same as the component,
+                    // then there definitely were no wildcard characters and we do not need to
+                    // add the exclusion pattern.
+                    if (componentPattern !== component) {
+                        subpattern += implicitExcludePathRegexPattern;
+                    }
+                    subpattern += componentPattern;
+                }
+                else {
+                    subpattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
+                }
+            }
+            hasWrittenComponent = true;
+        }
+        while (optionalCount > 0) {
+            subpattern += ")?";
+            optionalCount--;
+        }
+        return subpattern;
+    }
+    function replaceWildcardCharacter(match, singleAsteriskRegexFragment) {
+        return match === "*" ? singleAsteriskRegexFragment : match === "?" ? "[^/]" : "\\" + match;
+    }
+    /** @param path directory of the tsconfig.json */
+    function getFileMatcherPatterns(path, excludes, includes, useCaseSensitiveFileNames, currentDirectory) {
+        path = ts.normalizePath(path);
+        currentDirectory = ts.normalizePath(currentDirectory);
+        var absolutePath = ts.combinePaths(currentDirectory, path);
+        return {
+            includeFilePatterns: ts.map(getRegularExpressionsForWildcards(includes, absolutePath, "files"), function (pattern) { return "^".concat(pattern, "$"); }),
+            includeFilePattern: getRegularExpressionForWildcard(includes, absolutePath, "files"),
+            includeDirectoryPattern: getRegularExpressionForWildcard(includes, absolutePath, "directories"),
+            excludePattern: getRegularExpressionForWildcard(excludes, absolutePath, "exclude"),
+            basePaths: getBasePaths(path, includes, useCaseSensitiveFileNames)
+        };
+    }
+    ts.getFileMatcherPatterns = getFileMatcherPatterns;
+    function getRegexFromPattern(pattern, useCaseSensitiveFileNames) {
+        return new RegExp(pattern, useCaseSensitiveFileNames ? "" : "i");
+    }
+    ts.getRegexFromPattern = getRegexFromPattern;
+    /** @param path directory of the tsconfig.json */
+    function matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, depth, getFileSystemEntries, realpath) {
+        path = ts.normalizePath(path);
+        currentDirectory = ts.normalizePath(currentDirectory);
+        var patterns = getFileMatcherPatterns(path, excludes, includes, useCaseSensitiveFileNames, currentDirectory);
+        var includeFileRegexes = patterns.includeFilePatterns && patterns.includeFilePatterns.map(function (pattern) { return getRegexFromPattern(pattern, useCaseSensitiveFileNames); });
+        var includeDirectoryRegex = patterns.includeDirectoryPattern && getRegexFromPattern(patterns.includeDirectoryPattern, useCaseSensitiveFileNames);
+        var excludeRegex = patterns.excludePattern && getRegexFromPattern(patterns.excludePattern, useCaseSensitiveFileNames);
+        // Associate an array of results with each include regex. This keeps results in order of the "include" order.
+        // If there are no "includes", then just put everything in results[0].
+        var results = includeFileRegexes ? includeFileRegexes.map(function () { return []; }) : [[]];
+        var visited = new ts.Map();
+        var toCanonical = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
+        for (var _i = 0, _a = patterns.basePaths; _i < _a.length; _i++) {
+            var basePath = _a[_i];
+            visitDirectory(basePath, ts.combinePaths(currentDirectory, basePath), depth);
+        }
+        return ts.flatten(results);
+        function visitDirectory(path, absolutePath, depth) {
+            var canonicalPath = toCanonical(realpath(absolutePath));
+            if (visited.has(canonicalPath))
+                return;
+            visited.set(canonicalPath, true);
+            var _a = getFileSystemEntries(path), files = _a.files, directories = _a.directories;
+            var _loop_1 = function (current) {
+                var name = ts.combinePaths(path, current);
+                var absoluteName = ts.combinePaths(absolutePath, current);
+                if (extensions && !ts.fileExtensionIsOneOf(name, extensions))
+                    return "continue";
+                if (excludeRegex && excludeRegex.test(absoluteName))
+                    return "continue";
+                if (!includeFileRegexes) {
+                    results[0].push(name);
+                }
+                else {
+                    var includeIndex = ts.findIndex(includeFileRegexes, function (re) { return re.test(absoluteName); });
+                    if (includeIndex !== -1) {
+                        results[includeIndex].push(name);
+                    }
+                }
+            };
+            for (var _i = 0, _b = ts.sort(files, ts.compareStringsCaseSensitive); _i < _b.length; _i++) {
+                var current = _b[_i];
+                _loop_1(current);
+            }
+            if (depth !== undefined) {
+                depth--;
+                if (depth === 0) {
+                    return;
+                }
+            }
+            for (var _c = 0, _d = ts.sort(directories, ts.compareStringsCaseSensitive); _c < _d.length; _c++) {
+                var current = _d[_c];
+                var name = ts.combinePaths(path, current);
+                var absoluteName = ts.combinePaths(absolutePath, current);
+                if ((!includeDirectoryRegex || includeDirectoryRegex.test(absoluteName)) &&
+                    (!excludeRegex || !excludeRegex.test(absoluteName))) {
+                    visitDirectory(name, absoluteName, depth);
+                }
+            }
+        }
+    }
+    ts.matchFiles = matchFiles;
+    /**
+     * Computes the unique non-wildcard base paths amongst the provided include patterns.
+     */
+    function getBasePaths(path, includes, useCaseSensitiveFileNames) {
+        // Storage for our results in the form of literal paths (e.g. the paths as written by the user).
+        var basePaths = [path];
+        if (includes) {
+            // Storage for literal base paths amongst the include patterns.
+            var includeBasePaths = [];
+            for (var _i = 0, includes_1 = includes; _i < includes_1.length; _i++) {
+                var include = includes_1[_i];
+                // We also need to check the relative paths by converting them to absolute and normalizing
+                // in case they escape the base path (e.g "..\somedirectory")
+                var absolute = ts.isRootedDiskPath(include) ? include : ts.normalizePath(ts.combinePaths(path, include));
+                // Append the literal and canonical candidate base paths.
+                includeBasePaths.push(getIncludeBasePath(absolute));
+            }
+            // Sort the offsets array using either the literal or canonical path representations.
+            includeBasePaths.sort(ts.getStringComparer(!useCaseSensitiveFileNames));
+            var _loop_2 = function (includeBasePath) {
+                if (ts.every(basePaths, function (basePath) { return !ts.containsPath(basePath, includeBasePath, path, !useCaseSensitiveFileNames); })) {
+                    basePaths.push(includeBasePath);
+                }
+            };
+            // Iterate over each include base path and include unique base paths that are not a
+            // subpath of an existing base path
+            for (var _a = 0, includeBasePaths_1 = includeBasePaths; _a < includeBasePaths_1.length; _a++) {
+                var includeBasePath = includeBasePaths_1[_a];
+                _loop_2(includeBasePath);
+            }
+        }
+        return basePaths;
+    }
+    function getIncludeBasePath(absolute) {
+        var wildcardOffset = ts.indexOfAnyCharCode(absolute, wildcardCharCodes);
+        if (wildcardOffset < 0) {
+            // No "*" or "?" in the path
+            return !ts.hasExtension(absolute)
+                ? absolute
+                : ts.removeTrailingDirectorySeparator(ts.getDirectoryPath(absolute));
+        }
+        return absolute.substring(0, absolute.lastIndexOf(ts.directorySeparator, wildcardOffset));
+    }
+    function ensureScriptKind(fileName, scriptKind) {
+        // Using scriptKind as a condition handles both:
+        // - 'scriptKind' is unspecified and thus it is `undefined`
+        // - 'scriptKind' is set and it is `Unknown` (0)
+        // If the 'scriptKind' is 'undefined' or 'Unknown' then we attempt
+        // to get the ScriptKind from the file name. If it cannot be resolved
+        // from the file name then the default 'TS' script kind is returned.
+        return scriptKind || getScriptKindFromFileName(fileName) || 3 /* ScriptKind.TS */;
+    }
+    ts.ensureScriptKind = ensureScriptKind;
+    function getScriptKindFromFileName(fileName) {
+        var ext = fileName.substr(fileName.lastIndexOf("."));
+        switch (ext.toLowerCase()) {
+            case ".js" /* Extension.Js */:
+            case ".cjs" /* Extension.Cjs */:
+            case ".mjs" /* Extension.Mjs */:
+                return 1 /* ScriptKind.JS */;
+            case ".jsx" /* Extension.Jsx */:
+                return 2 /* ScriptKind.JSX */;
+            case ".ts" /* Extension.Ts */:
+            case ".cts" /* Extension.Cts */:
+            case ".mts" /* Extension.Mts */:
+                return 3 /* ScriptKind.TS */;
+            case ".tsx" /* Extension.Tsx */:
+                return 4 /* ScriptKind.TSX */;
+            case ".json" /* Extension.Json */:
+                return 6 /* ScriptKind.JSON */;
+            default:
+                return 0 /* ScriptKind.Unknown */;
+        }
+    }
+    ts.getScriptKindFromFileName = getScriptKindFromFileName;
+    /**
+     *  Groups of supported extensions in order of file resolution precedence. (eg, TS > TSX > DTS and seperately, CTS > DCTS)
+     */
+    ts.supportedTSExtensions = [[".ts" /* Extension.Ts */, ".tsx" /* Extension.Tsx */, ".d.ts" /* Extension.Dts */], [".cts" /* Extension.Cts */, ".d.cts" /* Extension.Dcts */], [".mts" /* Extension.Mts */, ".d.mts" /* Extension.Dmts */]];
+    ts.supportedTSExtensionsFlat = ts.flatten(ts.supportedTSExtensions);
+    var supportedTSExtensionsWithJson = __spreadArray(__spreadArray([], ts.supportedTSExtensions, true), [[".json" /* Extension.Json */]], false);
+    /** Must have ".d.ts" first because if ".ts" goes first, that will be detected as the extension instead of ".d.ts". */
+    var supportedTSExtensionsForExtractExtension = [".d.ts" /* Extension.Dts */, ".d.cts" /* Extension.Dcts */, ".d.mts" /* Extension.Dmts */, ".cts" /* Extension.Cts */, ".mts" /* Extension.Mts */, ".ts" /* Extension.Ts */, ".tsx" /* Extension.Tsx */, ".cts" /* Extension.Cts */, ".mts" /* Extension.Mts */];
+    ts.supportedJSExtensions = [[".js" /* Extension.Js */, ".jsx" /* Extension.Jsx */], [".mjs" /* Extension.Mjs */], [".cjs" /* Extension.Cjs */]];
+    ts.supportedJSExtensionsFlat = ts.flatten(ts.supportedJSExtensions);
+    var allSupportedExtensions = [[".ts" /* Extension.Ts */, ".tsx" /* Extension.Tsx */, ".d.ts" /* Extension.Dts */, ".js" /* Extension.Js */, ".jsx" /* Extension.Jsx */], [".cts" /* Extension.Cts */, ".d.cts" /* Extension.Dcts */, ".cjs" /* Extension.Cjs */], [".mts" /* Extension.Mts */, ".d.mts" /* Extension.Dmts */, ".mjs" /* Extension.Mjs */]];
+    var allSupportedExtensionsWithJson = __spreadArray(__spreadArray([], allSupportedExtensions, true), [[".json" /* Extension.Json */]], false);
+    ts.supportedDeclarationExtensions = [".d.ts" /* Extension.Dts */, ".d.cts" /* Extension.Dcts */, ".d.mts" /* Extension.Dmts */];
+    function getSupportedExtensions(options, extraFileExtensions) {
+        var needJsExtensions = options && getAllowJSCompilerOption(options);
+        if (!extraFileExtensions || extraFileExtensions.length === 0) {
+            return needJsExtensions ? allSupportedExtensions : ts.supportedTSExtensions;
+        }
+        var builtins = needJsExtensions ? allSupportedExtensions : ts.supportedTSExtensions;
+        var flatBuiltins = ts.flatten(builtins);
+        var extensions = __spreadArray(__spreadArray([], builtins, true), ts.mapDefined(extraFileExtensions, function (x) { return x.scriptKind === 7 /* ScriptKind.Deferred */ || needJsExtensions && isJSLike(x.scriptKind) && flatBuiltins.indexOf(x.extension) === -1 ? [x.extension] : undefined; }), true);
+        return extensions;
+    }
+    ts.getSupportedExtensions = getSupportedExtensions;
+    function getSupportedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions) {
+        if (!options || !options.resolveJsonModule)
+            return supportedExtensions;
+        if (supportedExtensions === allSupportedExtensions)
+            return allSupportedExtensionsWithJson;
+        if (supportedExtensions === ts.supportedTSExtensions)
+            return supportedTSExtensionsWithJson;
+        return __spreadArray(__spreadArray([], supportedExtensions, true), [[".json" /* Extension.Json */]], false);
+    }
+    ts.getSupportedExtensionsWithJsonIfResolveJsonModule = getSupportedExtensionsWithJsonIfResolveJsonModule;
+    function isJSLike(scriptKind) {
+        return scriptKind === 1 /* ScriptKind.JS */ || scriptKind === 2 /* ScriptKind.JSX */;
+    }
+    function hasJSFileExtension(fileName) {
+        return ts.some(ts.supportedJSExtensionsFlat, function (extension) { return ts.fileExtensionIs(fileName, extension); });
+    }
+    ts.hasJSFileExtension = hasJSFileExtension;
+    function hasTSFileExtension(fileName) {
+        return ts.some(ts.supportedTSExtensionsFlat, function (extension) { return ts.fileExtensionIs(fileName, extension); });
+    }
+    ts.hasTSFileExtension = hasTSFileExtension;
+    function isSupportedSourceFileName(fileName, compilerOptions, extraFileExtensions) {
+        if (!fileName)
+            return false;
+        var supportedExtensions = getSupportedExtensions(compilerOptions, extraFileExtensions);
+        for (var _i = 0, _a = ts.flatten(getSupportedExtensionsWithJsonIfResolveJsonModule(compilerOptions, supportedExtensions)); _i < _a.length; _i++) {
+            var extension = _a[_i];
+            if (ts.fileExtensionIs(fileName, extension)) {
+                return true;
+            }
+        }
+        return false;
+    }
+    ts.isSupportedSourceFileName = isSupportedSourceFileName;
+    function numberOfDirectorySeparators(str) {
+        var match = str.match(/\//g);
+        return match ? match.length : 0;
+    }
+    function compareNumberOfDirectorySeparators(path1, path2) {
+        return ts.compareValues(numberOfDirectorySeparators(path1), numberOfDirectorySeparators(path2));
+    }
+    ts.compareNumberOfDirectorySeparators = compareNumberOfDirectorySeparators;
+    var extensionsToRemove = [".d.ts" /* Extension.Dts */, ".d.mts" /* Extension.Dmts */, ".d.cts" /* Extension.Dcts */, ".mjs" /* Extension.Mjs */, ".mts" /* Extension.Mts */, ".cjs" /* Extension.Cjs */, ".cts" /* Extension.Cts */, ".ts" /* Extension.Ts */, ".js" /* Extension.Js */, ".tsx" /* Extension.Tsx */, ".jsx" /* Extension.Jsx */, ".json" /* Extension.Json */];
+    function removeFileExtension(path) {
+        for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) {
+            var ext = extensionsToRemove_1[_i];
+            var extensionless = tryRemoveExtension(path, ext);
+            if (extensionless !== undefined) {
+                return extensionless;
+            }
+        }
+        return path;
+    }
+    ts.removeFileExtension = removeFileExtension;
+    function tryRemoveExtension(path, extension) {
+        return ts.fileExtensionIs(path, extension) ? removeExtension(path, extension) : undefined;
+    }
+    ts.tryRemoveExtension = tryRemoveExtension;
+    function removeExtension(path, extension) {
+        return path.substring(0, path.length - extension.length);
+    }
+    ts.removeExtension = removeExtension;
+    function changeExtension(path, newExtension) {
+        return ts.changeAnyExtension(path, newExtension, extensionsToRemove, /*ignoreCase*/ false);
+    }
+    ts.changeExtension = changeExtension;
+    /**
+     * Returns the input if there are no stars, a pattern if there is exactly one,
+     * and undefined if there are more.
+     */
+    function tryParsePattern(pattern) {
+        var indexOfStar = pattern.indexOf("*");
+        if (indexOfStar === -1) {
+            return pattern;
+        }
+        return pattern.indexOf("*", indexOfStar + 1) !== -1
+            ? undefined
+            : {
+                prefix: pattern.substr(0, indexOfStar),
+                suffix: pattern.substr(indexOfStar + 1)
+            };
+    }
+    ts.tryParsePattern = tryParsePattern;
+    function tryParsePatterns(paths) {
+        return ts.mapDefined(ts.getOwnKeys(paths), function (path) { return tryParsePattern(path); });
+    }
+    ts.tryParsePatterns = tryParsePatterns;
+    function positionIsSynthesized(pos) {
+        // This is a fast way of testing the following conditions:
+        //  pos === undefined || pos === null || isNaN(pos) || pos < 0;
+        return !(pos >= 0);
+    }
+    ts.positionIsSynthesized = positionIsSynthesized;
+    /** True if an extension is one of the supported TypeScript extensions. */
+    function extensionIsTS(ext) {
+        return ext === ".ts" /* Extension.Ts */ || ext === ".tsx" /* Extension.Tsx */ || ext === ".d.ts" /* Extension.Dts */ || ext === ".cts" /* Extension.Cts */ || ext === ".mts" /* Extension.Mts */ || ext === ".d.mts" /* Extension.Dmts */ || ext === ".d.cts" /* Extension.Dcts */;
+    }
+    ts.extensionIsTS = extensionIsTS;
+    function resolutionExtensionIsTSOrJson(ext) {
+        return extensionIsTS(ext) || ext === ".json" /* Extension.Json */;
+    }
+    ts.resolutionExtensionIsTSOrJson = resolutionExtensionIsTSOrJson;
+    /**
+     * Gets the extension from a path.
+     * Path must have a valid extension.
+     */
+    function extensionFromPath(path) {
+        var ext = tryGetExtensionFromPath(path);
+        return ext !== undefined ? ext : ts.Debug.fail("File ".concat(path, " has unknown extension."));
+    }
+    ts.extensionFromPath = extensionFromPath;
+    function isAnySupportedFileExtension(path) {
+        return tryGetExtensionFromPath(path) !== undefined;
+    }
+    ts.isAnySupportedFileExtension = isAnySupportedFileExtension;
+    function tryGetExtensionFromPath(path) {
+        return ts.find(extensionsToRemove, function (e) { return ts.fileExtensionIs(path, e); });
+    }
+    ts.tryGetExtensionFromPath = tryGetExtensionFromPath;
+    function isCheckJsEnabledForFile(sourceFile, compilerOptions) {
+        return sourceFile.checkJsDirective ? sourceFile.checkJsDirective.enabled : compilerOptions.checkJs;
+    }
+    ts.isCheckJsEnabledForFile = isCheckJsEnabledForFile;
+    ts.emptyFileSystemEntries = {
+        files: ts.emptyArray,
+        directories: ts.emptyArray
+    };
+    /**
+     * patternOrStrings contains both patterns (containing "*") and regular strings.
+     * Return an exact match if possible, or a pattern match, or undefined.
+     * (These are verified by verifyCompilerOptions to have 0 or 1 "*" characters.)
+     */
+    function matchPatternOrExact(patternOrStrings, candidate) {
+        var patterns = [];
+        for (var _i = 0, patternOrStrings_1 = patternOrStrings; _i < patternOrStrings_1.length; _i++) {
+            var patternOrString = patternOrStrings_1[_i];
+            if (patternOrString === candidate) {
+                return candidate;
+            }
+            if (!ts.isString(patternOrString)) {
+                patterns.push(patternOrString);
+            }
+        }
+        return ts.findBestPatternMatch(patterns, function (_) { return _; }, candidate);
+    }
+    ts.matchPatternOrExact = matchPatternOrExact;
+    function sliceAfter(arr, value) {
+        var index = arr.indexOf(value);
+        ts.Debug.assert(index !== -1);
+        return arr.slice(index);
+    }
+    ts.sliceAfter = sliceAfter;
+    function addRelatedInfo(diagnostic) {
+        var _a;
+        var relatedInformation = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            relatedInformation[_i - 1] = arguments[_i];
+        }
+        if (!relatedInformation.length) {
+            return diagnostic;
+        }
+        if (!diagnostic.relatedInformation) {
+            diagnostic.relatedInformation = [];
+        }
+        ts.Debug.assert(diagnostic.relatedInformation !== ts.emptyArray, "Diagnostic had empty array singleton for related info, but is still being constructed!");
+        (_a = diagnostic.relatedInformation).push.apply(_a, relatedInformation);
+        return diagnostic;
+    }
+    ts.addRelatedInfo = addRelatedInfo;
+    function minAndMax(arr, getValue) {
+        ts.Debug.assert(arr.length !== 0);
+        var min = getValue(arr[0]);
+        var max = min;
+        for (var i = 1; i < arr.length; i++) {
+            var value = getValue(arr[i]);
+            if (value < min) {
+                min = value;
+            }
+            else if (value > max) {
+                max = value;
+            }
+        }
+        return { min: min, max: max };
+    }
+    ts.minAndMax = minAndMax;
+    function rangeOfNode(node) {
+        return { pos: getTokenPosOfNode(node), end: node.end };
+    }
+    ts.rangeOfNode = rangeOfNode;
+    function rangeOfTypeParameters(sourceFile, typeParameters) {
+        // Include the `<>`
+        var pos = typeParameters.pos - 1;
+        var end = ts.skipTrivia(sourceFile.text, typeParameters.end) + 1;
+        return { pos: pos, end: end };
+    }
+    ts.rangeOfTypeParameters = rangeOfTypeParameters;
+    function skipTypeChecking(sourceFile, options, host) {
+        // If skipLibCheck is enabled, skip reporting errors if file is a declaration file.
+        // If skipDefaultLibCheck is enabled, skip reporting errors if file contains a
+        // '/// ' directive.
+        return (options.skipLibCheck && sourceFile.isDeclarationFile ||
+            options.skipDefaultLibCheck && sourceFile.hasNoDefaultLib) ||
+            host.isSourceOfProjectReferenceRedirect(sourceFile.fileName);
+    }
+    ts.skipTypeChecking = skipTypeChecking;
+    function isJsonEqual(a, b) {
+        // eslint-disable-next-line no-null/no-null
+        return a === b || typeof a === "object" && a !== null && typeof b === "object" && b !== null && ts.equalOwnProperties(a, b, isJsonEqual);
+    }
+    ts.isJsonEqual = isJsonEqual;
+    /**
+     * Converts a bigint literal string, e.g. `0x1234n`,
+     * to its decimal string representation, e.g. `4660`.
+     */
+    function parsePseudoBigInt(stringValue) {
+        var log2Base;
+        switch (stringValue.charCodeAt(1)) { // "x" in "0x123"
+            case 98 /* CharacterCodes.b */:
+            case 66 /* CharacterCodes.B */: // 0b or 0B
+                log2Base = 1;
+                break;
+            case 111 /* CharacterCodes.o */:
+            case 79 /* CharacterCodes.O */: // 0o or 0O
+                log2Base = 3;
+                break;
+            case 120 /* CharacterCodes.x */:
+            case 88 /* CharacterCodes.X */: // 0x or 0X
+                log2Base = 4;
+                break;
+            default: // already in decimal; omit trailing "n"
+                var nIndex = stringValue.length - 1;
+                // Skip leading 0s
+                var nonZeroStart = 0;
+                while (stringValue.charCodeAt(nonZeroStart) === 48 /* CharacterCodes._0 */) {
+                    nonZeroStart++;
+                }
+                return stringValue.slice(nonZeroStart, nIndex) || "0";
+        }
+        // Omit leading "0b", "0o", or "0x", and trailing "n"
+        var startIndex = 2, endIndex = stringValue.length - 1;
+        var bitsNeeded = (endIndex - startIndex) * log2Base;
+        // Stores the value specified by the string as a LE array of 16-bit integers
+        // using Uint16 instead of Uint32 so combining steps can use bitwise operators
+        var segments = new Uint16Array((bitsNeeded >>> 4) + (bitsNeeded & 15 ? 1 : 0));
+        // Add the digits, one at a time
+        for (var i = endIndex - 1, bitOffset = 0; i >= startIndex; i--, bitOffset += log2Base) {
+            var segment = bitOffset >>> 4;
+            var digitChar = stringValue.charCodeAt(i);
+            // Find character range: 0-9 < A-F < a-f
+            var digit = digitChar <= 57 /* CharacterCodes._9 */
+                ? digitChar - 48 /* CharacterCodes._0 */
+                : 10 + digitChar -
+                    (digitChar <= 70 /* CharacterCodes.F */ ? 65 /* CharacterCodes.A */ : 97 /* CharacterCodes.a */);
+            var shiftedDigit = digit << (bitOffset & 15);
+            segments[segment] |= shiftedDigit;
+            var residual = shiftedDigit >>> 16;
+            if (residual)
+                segments[segment + 1] |= residual; // overflows segment
+        }
+        // Repeatedly divide segments by 10 and add remainder to base10Value
+        var base10Value = "";
+        var firstNonzeroSegment = segments.length - 1;
+        var segmentsRemaining = true;
+        while (segmentsRemaining) {
+            var mod10 = 0;
+            segmentsRemaining = false;
+            for (var segment = firstNonzeroSegment; segment >= 0; segment--) {
+                var newSegment = mod10 << 16 | segments[segment];
+                var segmentValue = (newSegment / 10) | 0;
+                segments[segment] = segmentValue;
+                mod10 = newSegment - segmentValue * 10;
+                if (segmentValue && !segmentsRemaining) {
+                    firstNonzeroSegment = segment;
+                    segmentsRemaining = true;
+                }
+            }
+            base10Value = mod10 + base10Value;
+        }
+        return base10Value;
+    }
+    ts.parsePseudoBigInt = parsePseudoBigInt;
+    function pseudoBigIntToString(_a) {
+        var negative = _a.negative, base10Value = _a.base10Value;
+        return (negative && base10Value !== "0" ? "-" : "") + base10Value;
+    }
+    ts.pseudoBigIntToString = pseudoBigIntToString;
+    function isValidTypeOnlyAliasUseSite(useSite) {
+        return !!(useSite.flags & 16777216 /* NodeFlags.Ambient */)
+            || isPartOfTypeQuery(useSite)
+            || isIdentifierInNonEmittingHeritageClause(useSite)
+            || isPartOfPossiblyValidTypeOrAbstractComputedPropertyName(useSite)
+            || !(isExpressionNode(useSite) || isShorthandPropertyNameUseSite(useSite));
+    }
+    ts.isValidTypeOnlyAliasUseSite = isValidTypeOnlyAliasUseSite;
+    function isShorthandPropertyNameUseSite(useSite) {
+        return ts.isIdentifier(useSite) && ts.isShorthandPropertyAssignment(useSite.parent) && useSite.parent.name === useSite;
+    }
+    function isPartOfPossiblyValidTypeOrAbstractComputedPropertyName(node) {
+        while (node.kind === 79 /* SyntaxKind.Identifier */ || node.kind === 206 /* SyntaxKind.PropertyAccessExpression */) {
+            node = node.parent;
+        }
+        if (node.kind !== 162 /* SyntaxKind.ComputedPropertyName */) {
+            return false;
+        }
+        if (hasSyntacticModifier(node.parent, 128 /* ModifierFlags.Abstract */)) {
+            return true;
+        }
+        var containerKind = node.parent.parent.kind;
+        return containerKind === 258 /* SyntaxKind.InterfaceDeclaration */ || containerKind === 182 /* SyntaxKind.TypeLiteral */;
+    }
+    /** Returns true for an identifier in 1) an `implements` clause, and 2) an `extends` clause of an interface. */
+    function isIdentifierInNonEmittingHeritageClause(node) {
+        if (node.kind !== 79 /* SyntaxKind.Identifier */)
+            return false;
+        var heritageClause = ts.findAncestor(node.parent, function (parent) {
+            switch (parent.kind) {
+                case 291 /* SyntaxKind.HeritageClause */:
+                    return true;
+                case 206 /* SyntaxKind.PropertyAccessExpression */:
+                case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                    return false;
+                default:
+                    return "quit";
+            }
+        });
+        return (heritageClause === null || heritageClause === void 0 ? void 0 : heritageClause.token) === 117 /* SyntaxKind.ImplementsKeyword */ || (heritageClause === null || heritageClause === void 0 ? void 0 : heritageClause.parent.kind) === 258 /* SyntaxKind.InterfaceDeclaration */;
+    }
+    function isIdentifierTypeReference(node) {
+        return ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName);
+    }
+    ts.isIdentifierTypeReference = isIdentifierTypeReference;
+    function arrayIsHomogeneous(array, comparer) {
+        if (comparer === void 0) { comparer = ts.equateValues; }
+        if (array.length < 2)
+            return true;
+        var first = array[0];
+        for (var i = 1, length_1 = array.length; i < length_1; i++) {
+            var target = array[i];
+            if (!comparer(first, target))
+                return false;
+        }
+        return true;
+    }
+    ts.arrayIsHomogeneous = arrayIsHomogeneous;
+    /**
+     * Bypasses immutability and directly sets the `pos` property of a `TextRange` or `Node`.
+     */
+    /* @internal */
+    function setTextRangePos(range, pos) {
+        range.pos = pos;
+        return range;
+    }
+    ts.setTextRangePos = setTextRangePos;
+    /**
+     * Bypasses immutability and directly sets the `end` property of a `TextRange` or `Node`.
+     */
+    /* @internal */
+    function setTextRangeEnd(range, end) {
+        range.end = end;
+        return range;
+    }
+    ts.setTextRangeEnd = setTextRangeEnd;
+    /**
+     * Bypasses immutability and directly sets the `pos` and `end` properties of a `TextRange` or `Node`.
+     */
+    /* @internal */
+    function setTextRangePosEnd(range, pos, end) {
+        return setTextRangeEnd(setTextRangePos(range, pos), end);
+    }
+    ts.setTextRangePosEnd = setTextRangePosEnd;
+    /**
+     * Bypasses immutability and directly sets the `pos` and `end` properties of a `TextRange` or `Node` from the
+     * provided position and width.
+     */
+    /* @internal */
+    function setTextRangePosWidth(range, pos, width) {
+        return setTextRangePosEnd(range, pos, pos + width);
+    }
+    ts.setTextRangePosWidth = setTextRangePosWidth;
+    function setNodeFlags(node, newFlags) {
+        if (node) {
+            node.flags = newFlags;
+        }
+        return node;
+    }
+    ts.setNodeFlags = setNodeFlags;
+    function setParent(child, parent) {
+        if (child && parent) {
+            child.parent = parent;
+        }
+        return child;
+    }
+    ts.setParent = setParent;
+    function setEachParent(children, parent) {
+        if (children) {
+            for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
+                var child = children_1[_i];
+                setParent(child, parent);
+            }
+        }
+        return children;
+    }
+    ts.setEachParent = setEachParent;
+    function setParentRecursive(rootNode, incremental) {
+        if (!rootNode)
+            return rootNode;
+        ts.forEachChildRecursively(rootNode, ts.isJSDocNode(rootNode) ? bindParentToChildIgnoringJSDoc : bindParentToChild);
+        return rootNode;
+        function bindParentToChildIgnoringJSDoc(child, parent) {
+            if (incremental && child.parent === parent) {
+                return "skip";
+            }
+            setParent(child, parent);
+        }
+        function bindJSDoc(child) {
+            if (ts.hasJSDocNodes(child)) {
+                for (var _i = 0, _a = child.jsDoc; _i < _a.length; _i++) {
+                    var doc = _a[_i];
+                    bindParentToChildIgnoringJSDoc(doc, child);
+                    ts.forEachChildRecursively(doc, bindParentToChildIgnoringJSDoc);
+                }
+            }
+        }
+        function bindParentToChild(child, parent) {
+            return bindParentToChildIgnoringJSDoc(child, parent) || bindJSDoc(child);
+        }
+    }
+    ts.setParentRecursive = setParentRecursive;
+    function isPackedElement(node) {
+        return !ts.isOmittedExpression(node);
+    }
+    /**
+     * Determines whether the provided node is an ArrayLiteralExpression that contains no missing elements.
+     */
+    function isPackedArrayLiteral(node) {
+        return ts.isArrayLiteralExpression(node) && ts.every(node.elements, isPackedElement);
+    }
+    ts.isPackedArrayLiteral = isPackedArrayLiteral;
+    /**
+     * Indicates whether the result of an `Expression` will be unused.
+     *
+     * NOTE: This requires a node with a valid `parent` pointer.
+     */
+    function expressionResultIsUnused(node) {
+        ts.Debug.assertIsDefined(node.parent);
+        while (true) {
+            var parent = node.parent;
+            // walk up parenthesized expressions, but keep a pointer to the top-most parenthesized expression
+            if (ts.isParenthesizedExpression(parent)) {
+                node = parent;
+                continue;
+            }
+            // result is unused in an expression statement, `void` expression, or the initializer or incrementer of a `for` loop
+            if (ts.isExpressionStatement(parent) ||
+                ts.isVoidExpression(parent) ||
+                ts.isForStatement(parent) && (parent.initializer === node || parent.incrementor === node)) {
+                return true;
+            }
+            if (ts.isCommaListExpression(parent)) {
+                // left side of comma is always unused
+                if (node !== ts.last(parent.elements))
+                    return true;
+                // right side of comma is unused if parent is unused
+                node = parent;
+                continue;
+            }
+            if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) {
+                // left side of comma is always unused
+                if (node === parent.left)
+                    return true;
+                // right side of comma is unused if parent is unused
+                node = parent;
+                continue;
+            }
+            return false;
+        }
+    }
+    ts.expressionResultIsUnused = expressionResultIsUnused;
+    function containsIgnoredPath(path) {
+        return ts.some(ts.ignoredPaths, function (p) { return ts.stringContains(path, p); });
+    }
+    ts.containsIgnoredPath = containsIgnoredPath;
+    function getContainingNodeArray(node) {
+        if (!node.parent)
+            return undefined;
+        switch (node.kind) {
+            case 163 /* SyntaxKind.TypeParameter */:
+                var parent_1 = node.parent;
+                return parent_1.kind === 190 /* SyntaxKind.InferType */ ? undefined : parent_1.typeParameters;
+            case 164 /* SyntaxKind.Parameter */:
+                return node.parent.parameters;
+            case 199 /* SyntaxKind.TemplateLiteralTypeSpan */:
+                return node.parent.templateSpans;
+            case 233 /* SyntaxKind.TemplateSpan */:
+                return node.parent.templateSpans;
+            case 165 /* SyntaxKind.Decorator */:
+                return node.parent.decorators;
+            case 291 /* SyntaxKind.HeritageClause */:
+                return node.parent.heritageClauses;
+        }
+        var parent = node.parent;
+        if (ts.isJSDocTag(node)) {
+            return ts.isJSDocTypeLiteral(node.parent) ? undefined : node.parent.tags;
+        }
+        switch (parent.kind) {
+            case 182 /* SyntaxKind.TypeLiteral */:
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+                return ts.isTypeElement(node) ? parent.members : undefined;
+            case 187 /* SyntaxKind.UnionType */:
+            case 188 /* SyntaxKind.IntersectionType */:
+                return parent.types;
+            case 184 /* SyntaxKind.TupleType */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+            case 351 /* SyntaxKind.CommaListExpression */:
+            case 269 /* SyntaxKind.NamedImports */:
+            case 273 /* SyntaxKind.NamedExports */:
+                return parent.elements;
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+            case 286 /* SyntaxKind.JsxAttributes */:
+                return parent.properties;
+            case 208 /* SyntaxKind.CallExpression */:
+            case 209 /* SyntaxKind.NewExpression */:
+                return ts.isTypeNode(node) ? parent.typeArguments :
+                    parent.expression === node ? undefined :
+                        parent.arguments;
+            case 278 /* SyntaxKind.JsxElement */:
+            case 282 /* SyntaxKind.JsxFragment */:
+                return ts.isJsxChild(node) ? parent.children : undefined;
+            case 280 /* SyntaxKind.JsxOpeningElement */:
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+                return ts.isTypeNode(node) ? parent.typeArguments : undefined;
+            case 235 /* SyntaxKind.Block */:
+            case 289 /* SyntaxKind.CaseClause */:
+            case 290 /* SyntaxKind.DefaultClause */:
+            case 262 /* SyntaxKind.ModuleBlock */:
+                return parent.statements;
+            case 263 /* SyntaxKind.CaseBlock */:
+                return parent.clauses;
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 226 /* SyntaxKind.ClassExpression */:
+                return ts.isClassElement(node) ? parent.members : undefined;
+            case 260 /* SyntaxKind.EnumDeclaration */:
+                return ts.isEnumMember(node) ? parent.members : undefined;
+            case 305 /* SyntaxKind.SourceFile */:
+                return parent.statements;
+        }
+    }
+    ts.getContainingNodeArray = getContainingNodeArray;
+    function hasContextSensitiveParameters(node) {
+        // Functions with type parameters are not context sensitive.
+        if (!node.typeParameters) {
+            // Functions with any parameters that lack type annotations are context sensitive.
+            if (ts.some(node.parameters, function (p) { return !getEffectiveTypeAnnotationNode(p); })) {
+                return true;
+            }
+            if (node.kind !== 214 /* SyntaxKind.ArrowFunction */) {
+                // If the first parameter is not an explicit 'this' parameter, then the function has
+                // an implicit 'this' parameter which is subject to contextual typing.
+                var parameter = ts.firstOrUndefined(node.parameters);
+                if (!(parameter && parameterIsThisKeyword(parameter))) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+    ts.hasContextSensitiveParameters = hasContextSensitiveParameters;
+    /* @internal */
+    function isInfinityOrNaNString(name) {
+        return name === "Infinity" || name === "-Infinity" || name === "NaN";
+    }
+    ts.isInfinityOrNaNString = isInfinityOrNaNString;
+    function isCatchClauseVariableDeclaration(node) {
+        return node.kind === 254 /* SyntaxKind.VariableDeclaration */ && node.parent.kind === 292 /* SyntaxKind.CatchClause */;
+    }
+    ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration;
+    function isParameterOrCatchClauseVariable(symbol) {
+        var declaration = symbol.valueDeclaration && getRootDeclaration(symbol.valueDeclaration);
+        return !!declaration && (ts.isParameter(declaration) || isCatchClauseVariableDeclaration(declaration));
+    }
+    ts.isParameterOrCatchClauseVariable = isParameterOrCatchClauseVariable;
+    function isFunctionExpressionOrArrowFunction(node) {
+        return node.kind === 213 /* SyntaxKind.FunctionExpression */ || node.kind === 214 /* SyntaxKind.ArrowFunction */;
+    }
+    ts.isFunctionExpressionOrArrowFunction = isFunctionExpressionOrArrowFunction;
+    function escapeSnippetText(text) {
+        return text.replace(/\$/gm, function () { return "\\$"; });
+    }
+    ts.escapeSnippetText = escapeSnippetText;
+    function isNumericLiteralName(name) {
+        // The intent of numeric names is that
+        //     - they are names with text in a numeric form, and that
+        //     - setting properties/indexing with them is always equivalent to doing so with the numeric literal 'numLit',
+        //         acquired by applying the abstract 'ToNumber' operation on the name's text.
+        //
+        // The subtlety is in the latter portion, as we cannot reliably say that anything that looks like a numeric literal is a numeric name.
+        // In fact, it is the case that the text of the name must be equal to 'ToString(numLit)' for this to hold.
+        //
+        // Consider the property name '"0xF00D"'. When one indexes with '0xF00D', they are actually indexing with the value of 'ToString(0xF00D)'
+        // according to the ECMAScript specification, so it is actually as if the user indexed with the string '"61453"'.
+        // Thus, the text of all numeric literals equivalent to '61543' such as '0xF00D', '0xf00D', '0170015', etc. are not valid numeric names
+        // because their 'ToString' representation is not equal to their original text.
+        // This is motivated by ECMA-262 sections 9.3.1, 9.8.1, 11.1.5, and 11.2.1.
+        //
+        // Here, we test whether 'ToString(ToNumber(name))' is exactly equal to 'name'.
+        // The '+' prefix operator is equivalent here to applying the abstract ToNumber operation.
+        // Applying the 'toString()' method on a number gives us the abstract ToString operation on a number.
+        //
+        // Note that this accepts the values 'Infinity', '-Infinity', and 'NaN', and that this is intentional.
+        // This is desired behavior, because when indexing with them as numeric entities, you are indexing
+        // with the strings '"Infinity"', '"-Infinity"', and '"NaN"' respectively.
+        return (+name).toString() === name;
+    }
+    ts.isNumericLiteralName = isNumericLiteralName;
+    function createPropertyNameNodeForIdentifierOrLiteral(name, target, singleQuote, stringNamed) {
+        return ts.isIdentifierText(name, target) ? ts.factory.createIdentifier(name) :
+            !stringNamed && isNumericLiteralName(name) && +name >= 0 ? ts.factory.createNumericLiteral(+name) :
+                ts.factory.createStringLiteral(name, !!singleQuote);
+    }
+    ts.createPropertyNameNodeForIdentifierOrLiteral = createPropertyNameNodeForIdentifierOrLiteral;
+    function isThisTypeParameter(type) {
+        return !!(type.flags & 262144 /* TypeFlags.TypeParameter */ && type.isThisType);
+    }
+    ts.isThisTypeParameter = isThisTypeParameter;
+    function getNodeModulePathParts(fullPath) {
+        // If fullPath can't be valid module file within node_modules, returns undefined.
+        // Example of expected pattern: /base/path/node_modules/[@scope/otherpackage/@otherscope/node_modules/]package/[subdirectory/]file.js
+        // Returns indices:                       ^            ^                                                      ^             ^
+        var topLevelNodeModulesIndex = 0;
+        var topLevelPackageNameIndex = 0;
+        var packageRootIndex = 0;
+        var fileNameIndex = 0;
+        var States;
+        (function (States) {
+            States[States["BeforeNodeModules"] = 0] = "BeforeNodeModules";
+            States[States["NodeModules"] = 1] = "NodeModules";
+            States[States["Scope"] = 2] = "Scope";
+            States[States["PackageContent"] = 3] = "PackageContent";
+        })(States || (States = {}));
+        var partStart = 0;
+        var partEnd = 0;
+        var state = 0 /* States.BeforeNodeModules */;
+        while (partEnd >= 0) {
+            partStart = partEnd;
+            partEnd = fullPath.indexOf("/", partStart + 1);
+            switch (state) {
+                case 0 /* States.BeforeNodeModules */:
+                    if (fullPath.indexOf(ts.nodeModulesPathPart, partStart) === partStart) {
+                        topLevelNodeModulesIndex = partStart;
+                        topLevelPackageNameIndex = partEnd;
+                        state = 1 /* States.NodeModules */;
+                    }
+                    break;
+                case 1 /* States.NodeModules */:
+                case 2 /* States.Scope */:
+                    if (state === 1 /* States.NodeModules */ && fullPath.charAt(partStart + 1) === "@") {
+                        state = 2 /* States.Scope */;
+                    }
+                    else {
+                        packageRootIndex = partEnd;
+                        state = 3 /* States.PackageContent */;
+                    }
+                    break;
+                case 3 /* States.PackageContent */:
+                    if (fullPath.indexOf(ts.nodeModulesPathPart, partStart) === partStart) {
+                        state = 1 /* States.NodeModules */;
+                    }
+                    else {
+                        state = 3 /* States.PackageContent */;
+                    }
+                    break;
+            }
+        }
+        fileNameIndex = partStart;
+        return state > 1 /* States.NodeModules */ ? { topLevelNodeModulesIndex: topLevelNodeModulesIndex, topLevelPackageNameIndex: topLevelPackageNameIndex, packageRootIndex: packageRootIndex, fileNameIndex: fileNameIndex } : undefined;
+    }
+    ts.getNodeModulePathParts = getNodeModulePathParts;
+    function getParameterTypeNode(parameter) {
+        var _a;
+        return parameter.kind === 340 /* SyntaxKind.JSDocParameterTag */ ? (_a = parameter.typeExpression) === null || _a === void 0 ? void 0 : _a.type : parameter.type;
+    }
+    ts.getParameterTypeNode = getParameterTypeNode;
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    /**
+     * Creates a `BaseNodeFactory` which can be used to create `Node` instances from the constructors provided by the object allocator.
+     */
+    function createBaseNodeFactory() {
+        // tslint:disable variable-name
+        var NodeConstructor;
+        var TokenConstructor;
+        var IdentifierConstructor;
+        var PrivateIdentifierConstructor;
+        var SourceFileConstructor;
+        // tslint:enable variable-name
+        return {
+            createBaseSourceFileNode: createBaseSourceFileNode,
+            createBaseIdentifierNode: createBaseIdentifierNode,
+            createBasePrivateIdentifierNode: createBasePrivateIdentifierNode,
+            createBaseTokenNode: createBaseTokenNode,
+            createBaseNode: createBaseNode
+        };
+        function createBaseSourceFileNode(kind) {
+            return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, /*pos*/ -1, /*end*/ -1);
+        }
+        function createBaseIdentifierNode(kind) {
+            return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, /*pos*/ -1, /*end*/ -1);
+        }
+        function createBasePrivateIdentifierNode(kind) {
+            return new (PrivateIdentifierConstructor || (PrivateIdentifierConstructor = ts.objectAllocator.getPrivateIdentifierConstructor()))(kind, /*pos*/ -1, /*end*/ -1);
+        }
+        function createBaseTokenNode(kind) {
+            return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, /*pos*/ -1, /*end*/ -1);
+        }
+        function createBaseNode(kind) {
+            return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, /*pos*/ -1, /*end*/ -1);
+        }
+    }
+    ts.createBaseNodeFactory = createBaseNodeFactory;
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    function createParenthesizerRules(factory) {
+        var binaryLeftOperandParenthesizerCache;
+        var binaryRightOperandParenthesizerCache;
+        return {
+            getParenthesizeLeftSideOfBinaryForOperator: getParenthesizeLeftSideOfBinaryForOperator,
+            getParenthesizeRightSideOfBinaryForOperator: getParenthesizeRightSideOfBinaryForOperator,
+            parenthesizeLeftSideOfBinary: parenthesizeLeftSideOfBinary,
+            parenthesizeRightSideOfBinary: parenthesizeRightSideOfBinary,
+            parenthesizeExpressionOfComputedPropertyName: parenthesizeExpressionOfComputedPropertyName,
+            parenthesizeConditionOfConditionalExpression: parenthesizeConditionOfConditionalExpression,
+            parenthesizeBranchOfConditionalExpression: parenthesizeBranchOfConditionalExpression,
+            parenthesizeExpressionOfExportDefault: parenthesizeExpressionOfExportDefault,
+            parenthesizeExpressionOfNew: parenthesizeExpressionOfNew,
+            parenthesizeLeftSideOfAccess: parenthesizeLeftSideOfAccess,
+            parenthesizeOperandOfPostfixUnary: parenthesizeOperandOfPostfixUnary,
+            parenthesizeOperandOfPrefixUnary: parenthesizeOperandOfPrefixUnary,
+            parenthesizeExpressionsOfCommaDelimitedList: parenthesizeExpressionsOfCommaDelimitedList,
+            parenthesizeExpressionForDisallowedComma: parenthesizeExpressionForDisallowedComma,
+            parenthesizeExpressionOfExpressionStatement: parenthesizeExpressionOfExpressionStatement,
+            parenthesizeConciseBodyOfArrowFunction: parenthesizeConciseBodyOfArrowFunction,
+            parenthesizeCheckTypeOfConditionalType: parenthesizeCheckTypeOfConditionalType,
+            parenthesizeExtendsTypeOfConditionalType: parenthesizeExtendsTypeOfConditionalType,
+            parenthesizeConstituentTypesOfUnionType: parenthesizeConstituentTypesOfUnionType,
+            parenthesizeConstituentTypeOfUnionType: parenthesizeConstituentTypeOfUnionType,
+            parenthesizeConstituentTypesOfIntersectionType: parenthesizeConstituentTypesOfIntersectionType,
+            parenthesizeConstituentTypeOfIntersectionType: parenthesizeConstituentTypeOfIntersectionType,
+            parenthesizeOperandOfTypeOperator: parenthesizeOperandOfTypeOperator,
+            parenthesizeOperandOfReadonlyTypeOperator: parenthesizeOperandOfReadonlyTypeOperator,
+            parenthesizeNonArrayTypeOfPostfixType: parenthesizeNonArrayTypeOfPostfixType,
+            parenthesizeElementTypesOfTupleType: parenthesizeElementTypesOfTupleType,
+            parenthesizeElementTypeOfTupleType: parenthesizeElementTypeOfTupleType,
+            parenthesizeTypeOfOptionalType: parenthesizeTypeOfOptionalType,
+            parenthesizeTypeArguments: parenthesizeTypeArguments,
+            parenthesizeLeadingTypeArgument: parenthesizeLeadingTypeArgument,
+        };
+        function getParenthesizeLeftSideOfBinaryForOperator(operatorKind) {
+            binaryLeftOperandParenthesizerCache || (binaryLeftOperandParenthesizerCache = new ts.Map());
+            var parenthesizerRule = binaryLeftOperandParenthesizerCache.get(operatorKind);
+            if (!parenthesizerRule) {
+                parenthesizerRule = function (node) { return parenthesizeLeftSideOfBinary(operatorKind, node); };
+                binaryLeftOperandParenthesizerCache.set(operatorKind, parenthesizerRule);
+            }
+            return parenthesizerRule;
+        }
+        function getParenthesizeRightSideOfBinaryForOperator(operatorKind) {
+            binaryRightOperandParenthesizerCache || (binaryRightOperandParenthesizerCache = new ts.Map());
+            var parenthesizerRule = binaryRightOperandParenthesizerCache.get(operatorKind);
+            if (!parenthesizerRule) {
+                parenthesizerRule = function (node) { return parenthesizeRightSideOfBinary(operatorKind, /*leftSide*/ undefined, node); };
+                binaryRightOperandParenthesizerCache.set(operatorKind, parenthesizerRule);
+            }
+            return parenthesizerRule;
+        }
+        /**
+         * Determines whether the operand to a BinaryExpression needs to be parenthesized.
+         *
+         * @param binaryOperator The operator for the BinaryExpression.
+         * @param operand The operand for the BinaryExpression.
+         * @param isLeftSideOfBinary A value indicating whether the operand is the left side of the
+         *                           BinaryExpression.
+         */
+        function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
+            // If the operand has lower precedence, then it needs to be parenthesized to preserve the
+            // intent of the expression. For example, if the operand is `a + b` and the operator is
+            // `*`, then we need to parenthesize the operand to preserve the intended order of
+            // operations: `(a + b) * x`.
+            //
+            // If the operand has higher precedence, then it does not need to be parenthesized. For
+            // example, if the operand is `a * b` and the operator is `+`, then we do not need to
+            // parenthesize to preserve the intended order of operations: `a * b + x`.
+            //
+            // If the operand has the same precedence, then we need to check the associativity of
+            // the operator based on whether this is the left or right operand of the expression.
+            //
+            // For example, if `a / d` is on the right of operator `*`, we need to parenthesize
+            // to preserve the intended order of operations: `x * (a / d)`
+            //
+            // If `a ** d` is on the left of operator `**`, we need to parenthesize to preserve
+            // the intended order of operations: `(a ** b) ** c`
+            var binaryOperatorPrecedence = ts.getOperatorPrecedence(221 /* SyntaxKind.BinaryExpression */, binaryOperator);
+            var binaryOperatorAssociativity = ts.getOperatorAssociativity(221 /* SyntaxKind.BinaryExpression */, binaryOperator);
+            var emittedOperand = ts.skipPartiallyEmittedExpressions(operand);
+            if (!isLeftSideOfBinary && operand.kind === 214 /* SyntaxKind.ArrowFunction */ && binaryOperatorPrecedence > 3 /* OperatorPrecedence.Assignment */) {
+                // We need to parenthesize arrow functions on the right side to avoid it being
+                // parsed as parenthesized expression: `a && (() => {})`
+                return true;
+            }
+            var operandPrecedence = ts.getExpressionPrecedence(emittedOperand);
+            switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) {
+                case -1 /* Comparison.LessThan */:
+                    // If the operand is the right side of a right-associative binary operation
+                    // and is a yield expression, then we do not need parentheses.
+                    if (!isLeftSideOfBinary
+                        && binaryOperatorAssociativity === 1 /* Associativity.Right */
+                        && operand.kind === 224 /* SyntaxKind.YieldExpression */) {
+                        return false;
+                    }
+                    return true;
+                case 1 /* Comparison.GreaterThan */:
+                    return false;
+                case 0 /* Comparison.EqualTo */:
+                    if (isLeftSideOfBinary) {
+                        // No need to parenthesize the left operand when the binary operator is
+                        // left associative:
+                        //  (a*b)/x    -> a*b/x
+                        //  (a**b)/x   -> a**b/x
+                        //
+                        // Parentheses are needed for the left operand when the binary operator is
+                        // right associative:
+                        //  (a/b)**x   -> (a/b)**x
+                        //  (a**b)**x  -> (a**b)**x
+                        return binaryOperatorAssociativity === 1 /* Associativity.Right */;
+                    }
+                    else {
+                        if (ts.isBinaryExpression(emittedOperand)
+                            && emittedOperand.operatorToken.kind === binaryOperator) {
+                            // No need to parenthesize the right operand when the binary operator and
+                            // operand are the same and one of the following:
+                            //  x*(a*b)     => x*a*b
+                            //  x|(a|b)     => x|a|b
+                            //  x&(a&b)     => x&a&b
+                            //  x^(a^b)     => x^a^b
+                            if (operatorHasAssociativeProperty(binaryOperator)) {
+                                return false;
+                            }
+                            // No need to parenthesize the right operand when the binary operator
+                            // is plus (+) if both the left and right operands consist solely of either
+                            // literals of the same kind or binary plus (+) expressions for literals of
+                            // the same kind (recursively).
+                            //  "a"+(1+2)       => "a"+(1+2)
+                            //  "a"+("b"+"c")   => "a"+"b"+"c"
+                            if (binaryOperator === 39 /* SyntaxKind.PlusToken */) {
+                                var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0 /* SyntaxKind.Unknown */;
+                                if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) {
+                                    return false;
+                                }
+                            }
+                        }
+                        // No need to parenthesize the right operand when the operand is right
+                        // associative:
+                        //  x/(a**b)    -> x/a**b
+                        //  x**(a**b)   -> x**a**b
+                        //
+                        // Parentheses are needed for the right operand when the operand is left
+                        // associative:
+                        //  x/(a*b)     -> x/(a*b)
+                        //  x**(a/b)    -> x**(a/b)
+                        var operandAssociativity = ts.getExpressionAssociativity(emittedOperand);
+                        return operandAssociativity === 0 /* Associativity.Left */;
+                    }
+            }
+        }
+        /**
+         * Determines whether a binary operator is mathematically associative.
+         *
+         * @param binaryOperator The binary operator.
+         */
+        function operatorHasAssociativeProperty(binaryOperator) {
+            // The following operators are associative in JavaScript:
+            //  (a*b)*c     -> a*(b*c)  -> a*b*c
+            //  (a|b)|c     -> a|(b|c)  -> a|b|c
+            //  (a&b)&c     -> a&(b&c)  -> a&b&c
+            //  (a^b)^c     -> a^(b^c)  -> a^b^c
+            //
+            // While addition is associative in mathematics, JavaScript's `+` is not
+            // guaranteed to be associative as it is overloaded with string concatenation.
+            return binaryOperator === 41 /* SyntaxKind.AsteriskToken */
+                || binaryOperator === 51 /* SyntaxKind.BarToken */
+                || binaryOperator === 50 /* SyntaxKind.AmpersandToken */
+                || binaryOperator === 52 /* SyntaxKind.CaretToken */;
+        }
+        /**
+         * This function determines whether an expression consists of a homogeneous set of
+         * literal expressions or binary plus expressions that all share the same literal kind.
+         * It is used to determine whether the right-hand operand of a binary plus expression can be
+         * emitted without parentheses.
+         */
+        function getLiteralKindOfBinaryPlusOperand(node) {
+            node = ts.skipPartiallyEmittedExpressions(node);
+            if (ts.isLiteralKind(node.kind)) {
+                return node.kind;
+            }
+            if (node.kind === 221 /* SyntaxKind.BinaryExpression */ && node.operatorToken.kind === 39 /* SyntaxKind.PlusToken */) {
+                if (node.cachedLiteralKind !== undefined) {
+                    return node.cachedLiteralKind;
+                }
+                var leftKind = getLiteralKindOfBinaryPlusOperand(node.left);
+                var literalKind = ts.isLiteralKind(leftKind)
+                    && leftKind === getLiteralKindOfBinaryPlusOperand(node.right)
+                    ? leftKind
+                    : 0 /* SyntaxKind.Unknown */;
+                node.cachedLiteralKind = literalKind;
+                return literalKind;
+            }
+            return 0 /* SyntaxKind.Unknown */;
+        }
+        /**
+         * Wraps the operand to a BinaryExpression in parentheses if they are needed to preserve the intended
+         * order of operations.
+         *
+         * @param binaryOperator The operator for the BinaryExpression.
+         * @param operand The operand for the BinaryExpression.
+         * @param isLeftSideOfBinary A value indicating whether the operand is the left side of the
+         *                           BinaryExpression.
+         */
+        function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
+            var skipped = ts.skipPartiallyEmittedExpressions(operand);
+            // If the resulting expression is already parenthesized, we do not need to do any further processing.
+            if (skipped.kind === 212 /* SyntaxKind.ParenthesizedExpression */) {
+                return operand;
+            }
+            return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand)
+                ? factory.createParenthesizedExpression(operand)
+                : operand;
+        }
+        function parenthesizeLeftSideOfBinary(binaryOperator, leftSide) {
+            return parenthesizeBinaryOperand(binaryOperator, leftSide, /*isLeftSideOfBinary*/ true);
+        }
+        function parenthesizeRightSideOfBinary(binaryOperator, leftSide, rightSide) {
+            return parenthesizeBinaryOperand(binaryOperator, rightSide, /*isLeftSideOfBinary*/ false, leftSide);
+        }
+        function parenthesizeExpressionOfComputedPropertyName(expression) {
+            return ts.isCommaSequence(expression) ? factory.createParenthesizedExpression(expression) : expression;
+        }
+        function parenthesizeConditionOfConditionalExpression(condition) {
+            var conditionalPrecedence = ts.getOperatorPrecedence(222 /* SyntaxKind.ConditionalExpression */, 57 /* SyntaxKind.QuestionToken */);
+            var emittedCondition = ts.skipPartiallyEmittedExpressions(condition);
+            var conditionPrecedence = ts.getExpressionPrecedence(emittedCondition);
+            if (ts.compareValues(conditionPrecedence, conditionalPrecedence) !== 1 /* Comparison.GreaterThan */) {
+                return factory.createParenthesizedExpression(condition);
+            }
+            return condition;
+        }
+        function parenthesizeBranchOfConditionalExpression(branch) {
+            // per ES grammar both 'whenTrue' and 'whenFalse' parts of conditional expression are assignment expressions
+            // so in case when comma expression is introduced as a part of previous transformations
+            // if should be wrapped in parens since comma operator has the lowest precedence
+            var emittedExpression = ts.skipPartiallyEmittedExpressions(branch);
+            return ts.isCommaSequence(emittedExpression)
+                ? factory.createParenthesizedExpression(branch)
+                : branch;
+        }
+        /**
+         *  [Per the spec](https://tc39.github.io/ecma262/#prod-ExportDeclaration), `export default` accepts _AssigmentExpression_ but
+         *  has a lookahead restriction for `function`, `async function`, and `class`.
+         *
+         * Basically, that means we need to parenthesize in the following cases:
+         *
+         * - BinaryExpression of CommaToken
+         * - CommaList (synthetic list of multiple comma expressions)
+         * - FunctionExpression
+         * - ClassExpression
+         */
+        function parenthesizeExpressionOfExportDefault(expression) {
+            var check = ts.skipPartiallyEmittedExpressions(expression);
+            var needsParens = ts.isCommaSequence(check);
+            if (!needsParens) {
+                switch (ts.getLeftmostExpression(check, /*stopAtCallExpression*/ false).kind) {
+                    case 226 /* SyntaxKind.ClassExpression */:
+                    case 213 /* SyntaxKind.FunctionExpression */:
+                        needsParens = true;
+                }
+            }
+            return needsParens ? factory.createParenthesizedExpression(expression) : expression;
+        }
+        /**
+         * Wraps an expression in parentheses if it is needed in order to use the expression
+         * as the expression of a `NewExpression` node.
+         */
+        function parenthesizeExpressionOfNew(expression) {
+            var leftmostExpr = ts.getLeftmostExpression(expression, /*stopAtCallExpressions*/ true);
+            switch (leftmostExpr.kind) {
+                case 208 /* SyntaxKind.CallExpression */:
+                    return factory.createParenthesizedExpression(expression);
+                case 209 /* SyntaxKind.NewExpression */:
+                    return !leftmostExpr.arguments
+                        ? factory.createParenthesizedExpression(expression)
+                        : expression; // TODO(rbuckton): Verify this assertion holds
+            }
+            return parenthesizeLeftSideOfAccess(expression);
+        }
+        /**
+         * Wraps an expression in parentheses if it is needed in order to use the expression for
+         * property or element access.
+         */
+        function parenthesizeLeftSideOfAccess(expression) {
+            // isLeftHandSideExpression is almost the correct criterion for when it is not necessary
+            // to parenthesize the expression before a dot. The known exception is:
+            //
+            //    NewExpression:
+            //       new C.x        -> not the same as (new C).x
+            //
+            var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+            if (ts.isLeftHandSideExpression(emittedExpression)
+                && (emittedExpression.kind !== 209 /* SyntaxKind.NewExpression */ || emittedExpression.arguments)) {
+                // TODO(rbuckton): Verify whether this assertion holds.
+                return expression;
+            }
+            // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+            return ts.setTextRange(factory.createParenthesizedExpression(expression), expression);
+        }
+        function parenthesizeOperandOfPostfixUnary(operand) {
+            // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+            return ts.isLeftHandSideExpression(operand) ? operand : ts.setTextRange(factory.createParenthesizedExpression(operand), operand);
+        }
+        function parenthesizeOperandOfPrefixUnary(operand) {
+            // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+            return ts.isUnaryExpression(operand) ? operand : ts.setTextRange(factory.createParenthesizedExpression(operand), operand);
+        }
+        function parenthesizeExpressionsOfCommaDelimitedList(elements) {
+            var result = ts.sameMap(elements, parenthesizeExpressionForDisallowedComma);
+            return ts.setTextRange(factory.createNodeArray(result, elements.hasTrailingComma), elements);
+        }
+        function parenthesizeExpressionForDisallowedComma(expression) {
+            var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+            var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression);
+            var commaPrecedence = ts.getOperatorPrecedence(221 /* SyntaxKind.BinaryExpression */, 27 /* SyntaxKind.CommaToken */);
+            // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+            return expressionPrecedence > commaPrecedence ? expression : ts.setTextRange(factory.createParenthesizedExpression(expression), expression);
+        }
+        function parenthesizeExpressionOfExpressionStatement(expression) {
+            var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+            if (ts.isCallExpression(emittedExpression)) {
+                var callee = emittedExpression.expression;
+                var kind = ts.skipPartiallyEmittedExpressions(callee).kind;
+                if (kind === 213 /* SyntaxKind.FunctionExpression */ || kind === 214 /* SyntaxKind.ArrowFunction */) {
+                    // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+                    var updated = factory.updateCallExpression(emittedExpression, ts.setTextRange(factory.createParenthesizedExpression(callee), callee), emittedExpression.typeArguments, emittedExpression.arguments);
+                    return factory.restoreOuterExpressions(expression, updated, 8 /* OuterExpressionKinds.PartiallyEmittedExpressions */);
+                }
+            }
+            var leftmostExpressionKind = ts.getLeftmostExpression(emittedExpression, /*stopAtCallExpressions*/ false).kind;
+            if (leftmostExpressionKind === 205 /* SyntaxKind.ObjectLiteralExpression */ || leftmostExpressionKind === 213 /* SyntaxKind.FunctionExpression */) {
+                // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+                return ts.setTextRange(factory.createParenthesizedExpression(expression), expression);
+            }
+            return expression;
+        }
+        function parenthesizeConciseBodyOfArrowFunction(body) {
+            if (!ts.isBlock(body) && (ts.isCommaSequence(body) || ts.getLeftmostExpression(body, /*stopAtCallExpressions*/ false).kind === 205 /* SyntaxKind.ObjectLiteralExpression */)) {
+                // TODO(rbuckton): Verifiy whether `setTextRange` is needed.
+                return ts.setTextRange(factory.createParenthesizedExpression(body), body);
+            }
+            return body;
+        }
+        // Type[Extends] :
+        //     FunctionOrConstructorType
+        //     ConditionalType[?Extends]
+        // ConditionalType[Extends] :
+        //     UnionType[?Extends]
+        //     [~Extends] UnionType[~Extends] `extends` Type[+Extends] `?` Type[~Extends] `:` Type[~Extends]
+        //
+        // - The check type (the `UnionType`, above) does not allow function, constructor, or conditional types (they must be parenthesized)
+        // - The extends type (the first `Type`, above) does not allow conditional types (they must be parenthesized). Function and constructor types are fine.
+        // - The true and false branch types (the second and third `Type` non-terminals, above) allow any type
+        function parenthesizeCheckTypeOfConditionalType(checkType) {
+            switch (checkType.kind) {
+                case 179 /* SyntaxKind.FunctionType */:
+                case 180 /* SyntaxKind.ConstructorType */:
+                case 189 /* SyntaxKind.ConditionalType */:
+                    return factory.createParenthesizedType(checkType);
+            }
+            return checkType;
+        }
+        function parenthesizeExtendsTypeOfConditionalType(extendsType) {
+            switch (extendsType.kind) {
+                case 189 /* SyntaxKind.ConditionalType */:
+                    return factory.createParenthesizedType(extendsType);
+            }
+            return extendsType;
+        }
+        // UnionType[Extends] :
+        //     `|`? IntersectionType[?Extends]
+        //     UnionType[?Extends] `|` IntersectionType[?Extends]
+        //
+        // - A union type constituent has the same precedence as the check type of a conditional type
+        function parenthesizeConstituentTypeOfUnionType(type) {
+            switch (type.kind) {
+                case 187 /* SyntaxKind.UnionType */: // Not strictly necessary, but a union containing a union should have been flattened
+                case 188 /* SyntaxKind.IntersectionType */: // Not strictly necessary, but makes generated output more readable and avoids breaks in DT tests
+                    return factory.createParenthesizedType(type);
+            }
+            return parenthesizeCheckTypeOfConditionalType(type);
+        }
+        function parenthesizeConstituentTypesOfUnionType(members) {
+            return factory.createNodeArray(ts.sameMap(members, parenthesizeConstituentTypeOfUnionType));
+        }
+        // IntersectionType[Extends] :
+        //     `&`? TypeOperator[?Extends]
+        //     IntersectionType[?Extends] `&` TypeOperator[?Extends]
+        //
+        // - An intersection type constituent does not allow function, constructor, conditional, or union types (they must be parenthesized)
+        function parenthesizeConstituentTypeOfIntersectionType(type) {
+            switch (type.kind) {
+                case 187 /* SyntaxKind.UnionType */:
+                case 188 /* SyntaxKind.IntersectionType */: // Not strictly necessary, but an intersection containing an intersection should have been flattened
+                    return factory.createParenthesizedType(type);
+            }
+            return parenthesizeConstituentTypeOfUnionType(type);
+        }
+        function parenthesizeConstituentTypesOfIntersectionType(members) {
+            return factory.createNodeArray(ts.sameMap(members, parenthesizeConstituentTypeOfIntersectionType));
+        }
+        // TypeOperator[Extends] :
+        //     PostfixType
+        //     InferType[?Extends]
+        //     `keyof` TypeOperator[?Extends]
+        //     `unique` TypeOperator[?Extends]
+        //     `readonly` TypeOperator[?Extends]
+        //
+        function parenthesizeOperandOfTypeOperator(type) {
+            switch (type.kind) {
+                case 188 /* SyntaxKind.IntersectionType */:
+                    return factory.createParenthesizedType(type);
+            }
+            return parenthesizeConstituentTypeOfIntersectionType(type);
+        }
+        function parenthesizeOperandOfReadonlyTypeOperator(type) {
+            switch (type.kind) {
+                case 193 /* SyntaxKind.TypeOperator */:
+                    return factory.createParenthesizedType(type);
+            }
+            return parenthesizeOperandOfTypeOperator(type);
+        }
+        // PostfixType :
+        //     NonArrayType
+        //     NonArrayType [no LineTerminator here] `!` // JSDoc
+        //     NonArrayType [no LineTerminator here] `?` // JSDoc
+        //     IndexedAccessType
+        //     ArrayType
+        //
+        // IndexedAccessType :
+        //     NonArrayType `[` Type[~Extends] `]`
+        //
+        // ArrayType :
+        //     NonArrayType `[` `]`
+        //
+        function parenthesizeNonArrayTypeOfPostfixType(type) {
+            switch (type.kind) {
+                case 190 /* SyntaxKind.InferType */:
+                case 193 /* SyntaxKind.TypeOperator */:
+                case 181 /* SyntaxKind.TypeQuery */: // Not strictly necessary, but makes generated output more readable and avoids breaks in DT tests
+                    return factory.createParenthesizedType(type);
+            }
+            return parenthesizeOperandOfTypeOperator(type);
+        }
+        // TupleType :
+        //     `[` Elision? `]`
+        //     `[` NamedTupleElementTypes `]`
+        //     `[` NamedTupleElementTypes `,` Elision? `]`
+        //     `[` TupleElementTypes `]`
+        //     `[` TupleElementTypes `,` Elision? `]`
+        //
+        // NamedTupleElementTypes :
+        //     Elision? NamedTupleMember
+        //     NamedTupleElementTypes `,` Elision? NamedTupleMember
+        //
+        // NamedTupleMember :
+        //     Identifier `?`? `:` Type[~Extends]
+        //     `...` Identifier `:` Type[~Extends]
+        //
+        // TupleElementTypes :
+        //     Elision? TupleElementType
+        //     TupleElementTypes `,` Elision? TupleElementType
+        //
+        // TupleElementType :
+        //     Type[~Extends] // NOTE: Needs cover grammar to disallow JSDoc postfix-optional
+        //     OptionalType
+        //     RestType
+        //
+        // OptionalType :
+        //     Type[~Extends] `?` // NOTE: Needs cover grammar to disallow JSDoc postfix-optional
+        //
+        // RestType :
+        //     `...` Type[~Extends]
+        //
+        function parenthesizeElementTypesOfTupleType(types) {
+            return factory.createNodeArray(ts.sameMap(types, parenthesizeElementTypeOfTupleType));
+        }
+        function parenthesizeElementTypeOfTupleType(type) {
+            if (hasJSDocPostfixQuestion(type))
+                return factory.createParenthesizedType(type);
+            return type;
+        }
+        function hasJSDocPostfixQuestion(type) {
+            if (ts.isJSDocNullableType(type))
+                return type.postfix;
+            if (ts.isNamedTupleMember(type))
+                return hasJSDocPostfixQuestion(type.type);
+            if (ts.isFunctionTypeNode(type) || ts.isConstructorTypeNode(type) || ts.isTypeOperatorNode(type))
+                return hasJSDocPostfixQuestion(type.type);
+            if (ts.isConditionalTypeNode(type))
+                return hasJSDocPostfixQuestion(type.falseType);
+            if (ts.isUnionTypeNode(type))
+                return hasJSDocPostfixQuestion(ts.last(type.types));
+            if (ts.isIntersectionTypeNode(type))
+                return hasJSDocPostfixQuestion(ts.last(type.types));
+            if (ts.isInferTypeNode(type))
+                return !!type.typeParameter.constraint && hasJSDocPostfixQuestion(type.typeParameter.constraint);
+            return false;
+        }
+        function parenthesizeTypeOfOptionalType(type) {
+            if (hasJSDocPostfixQuestion(type))
+                return factory.createParenthesizedType(type);
+            return parenthesizeNonArrayTypeOfPostfixType(type);
+        }
+        // function parenthesizeMemberOfElementType(member: TypeNode): TypeNode {
+        //     switch (member.kind) {
+        //         case SyntaxKind.UnionType:
+        //         case SyntaxKind.IntersectionType:
+        //         case SyntaxKind.FunctionType:
+        //         case SyntaxKind.ConstructorType:
+        //             return factory.createParenthesizedType(member);
+        //     }
+        //     return parenthesizeMemberOfConditionalType(member);
+        // }
+        // function parenthesizeElementTypeOfArrayType(member: TypeNode): TypeNode {
+        //     switch (member.kind) {
+        //         case SyntaxKind.TypeQuery:
+        //         case SyntaxKind.TypeOperator:
+        //         case SyntaxKind.InferType:
+        //             return factory.createParenthesizedType(member);
+        //     }
+        //     return parenthesizeMemberOfElementType(member);
+        // }
+        function parenthesizeLeadingTypeArgument(node) {
+            return ts.isFunctionOrConstructorTypeNode(node) && node.typeParameters ? factory.createParenthesizedType(node) : node;
+        }
+        function parenthesizeOrdinalTypeArgument(node, i) {
+            return i === 0 ? parenthesizeLeadingTypeArgument(node) : node;
+        }
+        function parenthesizeTypeArguments(typeArguments) {
+            if (ts.some(typeArguments)) {
+                return factory.createNodeArray(ts.sameMap(typeArguments, parenthesizeOrdinalTypeArgument));
+            }
+        }
+    }
+    ts.createParenthesizerRules = createParenthesizerRules;
+    ts.nullParenthesizerRules = {
+        getParenthesizeLeftSideOfBinaryForOperator: function (_) { return ts.identity; },
+        getParenthesizeRightSideOfBinaryForOperator: function (_) { return ts.identity; },
+        parenthesizeLeftSideOfBinary: function (_binaryOperator, leftSide) { return leftSide; },
+        parenthesizeRightSideOfBinary: function (_binaryOperator, _leftSide, rightSide) { return rightSide; },
+        parenthesizeExpressionOfComputedPropertyName: ts.identity,
+        parenthesizeConditionOfConditionalExpression: ts.identity,
+        parenthesizeBranchOfConditionalExpression: ts.identity,
+        parenthesizeExpressionOfExportDefault: ts.identity,
+        parenthesizeExpressionOfNew: function (expression) { return ts.cast(expression, ts.isLeftHandSideExpression); },
+        parenthesizeLeftSideOfAccess: function (expression) { return ts.cast(expression, ts.isLeftHandSideExpression); },
+        parenthesizeOperandOfPostfixUnary: function (operand) { return ts.cast(operand, ts.isLeftHandSideExpression); },
+        parenthesizeOperandOfPrefixUnary: function (operand) { return ts.cast(operand, ts.isUnaryExpression); },
+        parenthesizeExpressionsOfCommaDelimitedList: function (nodes) { return ts.cast(nodes, ts.isNodeArray); },
+        parenthesizeExpressionForDisallowedComma: ts.identity,
+        parenthesizeExpressionOfExpressionStatement: ts.identity,
+        parenthesizeConciseBodyOfArrowFunction: ts.identity,
+        parenthesizeCheckTypeOfConditionalType: ts.identity,
+        parenthesizeExtendsTypeOfConditionalType: ts.identity,
+        parenthesizeConstituentTypesOfUnionType: function (nodes) { return ts.cast(nodes, ts.isNodeArray); },
+        parenthesizeConstituentTypeOfUnionType: ts.identity,
+        parenthesizeConstituentTypesOfIntersectionType: function (nodes) { return ts.cast(nodes, ts.isNodeArray); },
+        parenthesizeConstituentTypeOfIntersectionType: ts.identity,
+        parenthesizeOperandOfTypeOperator: ts.identity,
+        parenthesizeOperandOfReadonlyTypeOperator: ts.identity,
+        parenthesizeNonArrayTypeOfPostfixType: ts.identity,
+        parenthesizeElementTypesOfTupleType: function (nodes) { return ts.cast(nodes, ts.isNodeArray); },
+        parenthesizeElementTypeOfTupleType: ts.identity,
+        parenthesizeTypeOfOptionalType: ts.identity,
+        parenthesizeTypeArguments: function (nodes) { return nodes && ts.cast(nodes, ts.isNodeArray); },
+        parenthesizeLeadingTypeArgument: ts.identity,
+    };
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    function createNodeConverters(factory) {
+        return {
+            convertToFunctionBlock: convertToFunctionBlock,
+            convertToFunctionExpression: convertToFunctionExpression,
+            convertToArrayAssignmentElement: convertToArrayAssignmentElement,
+            convertToObjectAssignmentElement: convertToObjectAssignmentElement,
+            convertToAssignmentPattern: convertToAssignmentPattern,
+            convertToObjectAssignmentPattern: convertToObjectAssignmentPattern,
+            convertToArrayAssignmentPattern: convertToArrayAssignmentPattern,
+            convertToAssignmentElementTarget: convertToAssignmentElementTarget,
+        };
+        function convertToFunctionBlock(node, multiLine) {
+            if (ts.isBlock(node))
+                return node;
+            var returnStatement = factory.createReturnStatement(node);
+            ts.setTextRange(returnStatement, node);
+            var body = factory.createBlock([returnStatement], multiLine);
+            ts.setTextRange(body, node);
+            return body;
+        }
+        function convertToFunctionExpression(node) {
+            if (!node.body)
+                return ts.Debug.fail("Cannot convert a FunctionDeclaration without a body");
+            var updated = factory.createFunctionExpression(node.modifiers, node.asteriskToken, node.name, node.typeParameters, node.parameters, node.type, node.body);
+            ts.setOriginalNode(updated, node);
+            ts.setTextRange(updated, node);
+            if (ts.getStartsOnNewLine(node)) {
+                ts.setStartsOnNewLine(updated, /*newLine*/ true);
+            }
+            return updated;
+        }
+        function convertToArrayAssignmentElement(element) {
+            if (ts.isBindingElement(element)) {
+                if (element.dotDotDotToken) {
+                    ts.Debug.assertNode(element.name, ts.isIdentifier);
+                    return ts.setOriginalNode(ts.setTextRange(factory.createSpreadElement(element.name), element), element);
+                }
+                var expression = convertToAssignmentElementTarget(element.name);
+                return element.initializer
+                    ? ts.setOriginalNode(ts.setTextRange(factory.createAssignment(expression, element.initializer), element), element)
+                    : expression;
+            }
+            return ts.cast(element, ts.isExpression);
+        }
+        function convertToObjectAssignmentElement(element) {
+            if (ts.isBindingElement(element)) {
+                if (element.dotDotDotToken) {
+                    ts.Debug.assertNode(element.name, ts.isIdentifier);
+                    return ts.setOriginalNode(ts.setTextRange(factory.createSpreadAssignment(element.name), element), element);
+                }
+                if (element.propertyName) {
+                    var expression = convertToAssignmentElementTarget(element.name);
+                    return ts.setOriginalNode(ts.setTextRange(factory.createPropertyAssignment(element.propertyName, element.initializer ? factory.createAssignment(expression, element.initializer) : expression), element), element);
+                }
+                ts.Debug.assertNode(element.name, ts.isIdentifier);
+                return ts.setOriginalNode(ts.setTextRange(factory.createShorthandPropertyAssignment(element.name, element.initializer), element), element);
+            }
+            return ts.cast(element, ts.isObjectLiteralElementLike);
+        }
+        function convertToAssignmentPattern(node) {
+            switch (node.kind) {
+                case 202 /* SyntaxKind.ArrayBindingPattern */:
+                case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                    return convertToArrayAssignmentPattern(node);
+                case 201 /* SyntaxKind.ObjectBindingPattern */:
+                case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                    return convertToObjectAssignmentPattern(node);
+            }
+        }
+        function convertToObjectAssignmentPattern(node) {
+            if (ts.isObjectBindingPattern(node)) {
+                return ts.setOriginalNode(ts.setTextRange(factory.createObjectLiteralExpression(ts.map(node.elements, convertToObjectAssignmentElement)), node), node);
+            }
+            return ts.cast(node, ts.isObjectLiteralExpression);
+        }
+        function convertToArrayAssignmentPattern(node) {
+            if (ts.isArrayBindingPattern(node)) {
+                return ts.setOriginalNode(ts.setTextRange(factory.createArrayLiteralExpression(ts.map(node.elements, convertToArrayAssignmentElement)), node), node);
+            }
+            return ts.cast(node, ts.isArrayLiteralExpression);
+        }
+        function convertToAssignmentElementTarget(node) {
+            if (ts.isBindingPattern(node)) {
+                return convertToAssignmentPattern(node);
+            }
+            return ts.cast(node, ts.isExpression);
+        }
+    }
+    ts.createNodeConverters = createNodeConverters;
+    ts.nullNodeConverters = {
+        convertToFunctionBlock: ts.notImplemented,
+        convertToFunctionExpression: ts.notImplemented,
+        convertToArrayAssignmentElement: ts.notImplemented,
+        convertToObjectAssignmentElement: ts.notImplemented,
+        convertToAssignmentPattern: ts.notImplemented,
+        convertToObjectAssignmentPattern: ts.notImplemented,
+        convertToArrayAssignmentPattern: ts.notImplemented,
+        convertToAssignmentElementTarget: ts.notImplemented,
+    };
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var nextAutoGenerateId = 0;
+    /* @internal */
+    var NodeFactoryFlags;
+    (function (NodeFactoryFlags) {
+        NodeFactoryFlags[NodeFactoryFlags["None"] = 0] = "None";
+        // Disables the parenthesizer rules for the factory.
+        NodeFactoryFlags[NodeFactoryFlags["NoParenthesizerRules"] = 1] = "NoParenthesizerRules";
+        // Disables the node converters for the factory.
+        NodeFactoryFlags[NodeFactoryFlags["NoNodeConverters"] = 2] = "NoNodeConverters";
+        // Ensures new `PropertyAccessExpression` nodes are created with the `NoIndentation` emit flag set.
+        NodeFactoryFlags[NodeFactoryFlags["NoIndentationOnFreshPropertyAccess"] = 4] = "NoIndentationOnFreshPropertyAccess";
+        // Do not set an `original` pointer when updating a node.
+        NodeFactoryFlags[NodeFactoryFlags["NoOriginalNode"] = 8] = "NoOriginalNode";
+    })(NodeFactoryFlags = ts.NodeFactoryFlags || (ts.NodeFactoryFlags = {}));
+    /**
+     * Creates a `NodeFactory` that can be used to create and update a syntax tree.
+     * @param flags Flags that control factory behavior.
+     * @param baseFactory A `BaseNodeFactory` used to create the base `Node` objects.
+     */
+    /* @internal */
+    function createNodeFactory(flags, baseFactory) {
+        var update = flags & 8 /* NodeFactoryFlags.NoOriginalNode */ ? updateWithoutOriginal : updateWithOriginal;
+        // Lazily load the parenthesizer, node converters, and some factory methods until they are used.
+        var parenthesizerRules = ts.memoize(function () { return flags & 1 /* NodeFactoryFlags.NoParenthesizerRules */ ? ts.nullParenthesizerRules : ts.createParenthesizerRules(factory); });
+        var converters = ts.memoize(function () { return flags & 2 /* NodeFactoryFlags.NoNodeConverters */ ? ts.nullNodeConverters : ts.createNodeConverters(factory); });
+        // lazy initializaton of common operator factories
+        var getBinaryCreateFunction = ts.memoizeOne(function (operator) { return function (left, right) { return createBinaryExpression(left, operator, right); }; });
+        var getPrefixUnaryCreateFunction = ts.memoizeOne(function (operator) { return function (operand) { return createPrefixUnaryExpression(operator, operand); }; });
+        var getPostfixUnaryCreateFunction = ts.memoizeOne(function (operator) { return function (operand) { return createPostfixUnaryExpression(operand, operator); }; });
+        var getJSDocPrimaryTypeCreateFunction = ts.memoizeOne(function (kind) { return function () { return createJSDocPrimaryTypeWorker(kind); }; });
+        var getJSDocUnaryTypeCreateFunction = ts.memoizeOne(function (kind) { return function (type) { return createJSDocUnaryTypeWorker(kind, type); }; });
+        var getJSDocUnaryTypeUpdateFunction = ts.memoizeOne(function (kind) { return function (node, type) { return updateJSDocUnaryTypeWorker(kind, node, type); }; });
+        var getJSDocPrePostfixUnaryTypeCreateFunction = ts.memoizeOne(function (kind) { return function (type, postfix) { return createJSDocPrePostfixUnaryTypeWorker(kind, type, postfix); }; });
+        var getJSDocPrePostfixUnaryTypeUpdateFunction = ts.memoizeOne(function (kind) { return function (node, type) { return updateJSDocPrePostfixUnaryTypeWorker(kind, node, type); }; });
+        var getJSDocSimpleTagCreateFunction = ts.memoizeOne(function (kind) { return function (tagName, comment) { return createJSDocSimpleTagWorker(kind, tagName, comment); }; });
+        var getJSDocSimpleTagUpdateFunction = ts.memoizeOne(function (kind) { return function (node, tagName, comment) { return updateJSDocSimpleTagWorker(kind, node, tagName, comment); }; });
+        var getJSDocTypeLikeTagCreateFunction = ts.memoizeOne(function (kind) { return function (tagName, typeExpression, comment) { return createJSDocTypeLikeTagWorker(kind, tagName, typeExpression, comment); }; });
+        var getJSDocTypeLikeTagUpdateFunction = ts.memoizeOne(function (kind) { return function (node, tagName, typeExpression, comment) { return updateJSDocTypeLikeTagWorker(kind, node, tagName, typeExpression, comment); }; });
+        var factory = {
+            get parenthesizer() { return parenthesizerRules(); },
+            get converters() { return converters(); },
+            baseFactory: baseFactory,
+            flags: flags,
+            createNodeArray: createNodeArray,
+            createNumericLiteral: createNumericLiteral,
+            createBigIntLiteral: createBigIntLiteral,
+            createStringLiteral: createStringLiteral,
+            createStringLiteralFromNode: createStringLiteralFromNode,
+            createRegularExpressionLiteral: createRegularExpressionLiteral,
+            createLiteralLikeNode: createLiteralLikeNode,
+            createIdentifier: createIdentifier,
+            updateIdentifier: updateIdentifier,
+            createTempVariable: createTempVariable,
+            createLoopVariable: createLoopVariable,
+            createUniqueName: createUniqueName,
+            getGeneratedNameForNode: getGeneratedNameForNode,
+            createPrivateIdentifier: createPrivateIdentifier,
+            createToken: createToken,
+            createSuper: createSuper,
+            createThis: createThis,
+            createNull: createNull,
+            createTrue: createTrue,
+            createFalse: createFalse,
+            createModifier: createModifier,
+            createModifiersFromModifierFlags: createModifiersFromModifierFlags,
+            createQualifiedName: createQualifiedName,
+            updateQualifiedName: updateQualifiedName,
+            createComputedPropertyName: createComputedPropertyName,
+            updateComputedPropertyName: updateComputedPropertyName,
+            createTypeParameterDeclaration: createTypeParameterDeclaration,
+            updateTypeParameterDeclaration: updateTypeParameterDeclaration,
+            createParameterDeclaration: createParameterDeclaration,
+            updateParameterDeclaration: updateParameterDeclaration,
+            createDecorator: createDecorator,
+            updateDecorator: updateDecorator,
+            createPropertySignature: createPropertySignature,
+            updatePropertySignature: updatePropertySignature,
+            createPropertyDeclaration: createPropertyDeclaration,
+            updatePropertyDeclaration: updatePropertyDeclaration,
+            createMethodSignature: createMethodSignature,
+            updateMethodSignature: updateMethodSignature,
+            createMethodDeclaration: createMethodDeclaration,
+            updateMethodDeclaration: updateMethodDeclaration,
+            createConstructorDeclaration: createConstructorDeclaration,
+            updateConstructorDeclaration: updateConstructorDeclaration,
+            createGetAccessorDeclaration: createGetAccessorDeclaration,
+            updateGetAccessorDeclaration: updateGetAccessorDeclaration,
+            createSetAccessorDeclaration: createSetAccessorDeclaration,
+            updateSetAccessorDeclaration: updateSetAccessorDeclaration,
+            createCallSignature: createCallSignature,
+            updateCallSignature: updateCallSignature,
+            createConstructSignature: createConstructSignature,
+            updateConstructSignature: updateConstructSignature,
+            createIndexSignature: createIndexSignature,
+            updateIndexSignature: updateIndexSignature,
+            createClassStaticBlockDeclaration: createClassStaticBlockDeclaration,
+            updateClassStaticBlockDeclaration: updateClassStaticBlockDeclaration,
+            createTemplateLiteralTypeSpan: createTemplateLiteralTypeSpan,
+            updateTemplateLiteralTypeSpan: updateTemplateLiteralTypeSpan,
+            createKeywordTypeNode: createKeywordTypeNode,
+            createTypePredicateNode: createTypePredicateNode,
+            updateTypePredicateNode: updateTypePredicateNode,
+            createTypeReferenceNode: createTypeReferenceNode,
+            updateTypeReferenceNode: updateTypeReferenceNode,
+            createFunctionTypeNode: createFunctionTypeNode,
+            updateFunctionTypeNode: updateFunctionTypeNode,
+            createConstructorTypeNode: createConstructorTypeNode,
+            updateConstructorTypeNode: updateConstructorTypeNode,
+            createTypeQueryNode: createTypeQueryNode,
+            updateTypeQueryNode: updateTypeQueryNode,
+            createTypeLiteralNode: createTypeLiteralNode,
+            updateTypeLiteralNode: updateTypeLiteralNode,
+            createArrayTypeNode: createArrayTypeNode,
+            updateArrayTypeNode: updateArrayTypeNode,
+            createTupleTypeNode: createTupleTypeNode,
+            updateTupleTypeNode: updateTupleTypeNode,
+            createNamedTupleMember: createNamedTupleMember,
+            updateNamedTupleMember: updateNamedTupleMember,
+            createOptionalTypeNode: createOptionalTypeNode,
+            updateOptionalTypeNode: updateOptionalTypeNode,
+            createRestTypeNode: createRestTypeNode,
+            updateRestTypeNode: updateRestTypeNode,
+            createUnionTypeNode: createUnionTypeNode,
+            updateUnionTypeNode: updateUnionTypeNode,
+            createIntersectionTypeNode: createIntersectionTypeNode,
+            updateIntersectionTypeNode: updateIntersectionTypeNode,
+            createConditionalTypeNode: createConditionalTypeNode,
+            updateConditionalTypeNode: updateConditionalTypeNode,
+            createInferTypeNode: createInferTypeNode,
+            updateInferTypeNode: updateInferTypeNode,
+            createImportTypeNode: createImportTypeNode,
+            updateImportTypeNode: updateImportTypeNode,
+            createParenthesizedType: createParenthesizedType,
+            updateParenthesizedType: updateParenthesizedType,
+            createThisTypeNode: createThisTypeNode,
+            createTypeOperatorNode: createTypeOperatorNode,
+            updateTypeOperatorNode: updateTypeOperatorNode,
+            createIndexedAccessTypeNode: createIndexedAccessTypeNode,
+            updateIndexedAccessTypeNode: updateIndexedAccessTypeNode,
+            createMappedTypeNode: createMappedTypeNode,
+            updateMappedTypeNode: updateMappedTypeNode,
+            createLiteralTypeNode: createLiteralTypeNode,
+            updateLiteralTypeNode: updateLiteralTypeNode,
+            createTemplateLiteralType: createTemplateLiteralType,
+            updateTemplateLiteralType: updateTemplateLiteralType,
+            createObjectBindingPattern: createObjectBindingPattern,
+            updateObjectBindingPattern: updateObjectBindingPattern,
+            createArrayBindingPattern: createArrayBindingPattern,
+            updateArrayBindingPattern: updateArrayBindingPattern,
+            createBindingElement: createBindingElement,
+            updateBindingElement: updateBindingElement,
+            createArrayLiteralExpression: createArrayLiteralExpression,
+            updateArrayLiteralExpression: updateArrayLiteralExpression,
+            createObjectLiteralExpression: createObjectLiteralExpression,
+            updateObjectLiteralExpression: updateObjectLiteralExpression,
+            createPropertyAccessExpression: flags & 4 /* NodeFactoryFlags.NoIndentationOnFreshPropertyAccess */ ?
+                function (expression, name) { return ts.setEmitFlags(createPropertyAccessExpression(expression, name), 131072 /* EmitFlags.NoIndentation */); } :
+                createPropertyAccessExpression,
+            updatePropertyAccessExpression: updatePropertyAccessExpression,
+            createPropertyAccessChain: flags & 4 /* NodeFactoryFlags.NoIndentationOnFreshPropertyAccess */ ?
+                function (expression, questionDotToken, name) { return ts.setEmitFlags(createPropertyAccessChain(expression, questionDotToken, name), 131072 /* EmitFlags.NoIndentation */); } :
+                createPropertyAccessChain,
+            updatePropertyAccessChain: updatePropertyAccessChain,
+            createElementAccessExpression: createElementAccessExpression,
+            updateElementAccessExpression: updateElementAccessExpression,
+            createElementAccessChain: createElementAccessChain,
+            updateElementAccessChain: updateElementAccessChain,
+            createCallExpression: createCallExpression,
+            updateCallExpression: updateCallExpression,
+            createCallChain: createCallChain,
+            updateCallChain: updateCallChain,
+            createNewExpression: createNewExpression,
+            updateNewExpression: updateNewExpression,
+            createTaggedTemplateExpression: createTaggedTemplateExpression,
+            updateTaggedTemplateExpression: updateTaggedTemplateExpression,
+            createTypeAssertion: createTypeAssertion,
+            updateTypeAssertion: updateTypeAssertion,
+            createParenthesizedExpression: createParenthesizedExpression,
+            updateParenthesizedExpression: updateParenthesizedExpression,
+            createFunctionExpression: createFunctionExpression,
+            updateFunctionExpression: updateFunctionExpression,
+            createArrowFunction: createArrowFunction,
+            updateArrowFunction: updateArrowFunction,
+            createDeleteExpression: createDeleteExpression,
+            updateDeleteExpression: updateDeleteExpression,
+            createTypeOfExpression: createTypeOfExpression,
+            updateTypeOfExpression: updateTypeOfExpression,
+            createVoidExpression: createVoidExpression,
+            updateVoidExpression: updateVoidExpression,
+            createAwaitExpression: createAwaitExpression,
+            updateAwaitExpression: updateAwaitExpression,
+            createPrefixUnaryExpression: createPrefixUnaryExpression,
+            updatePrefixUnaryExpression: updatePrefixUnaryExpression,
+            createPostfixUnaryExpression: createPostfixUnaryExpression,
+            updatePostfixUnaryExpression: updatePostfixUnaryExpression,
+            createBinaryExpression: createBinaryExpression,
+            updateBinaryExpression: updateBinaryExpression,
+            createConditionalExpression: createConditionalExpression,
+            updateConditionalExpression: updateConditionalExpression,
+            createTemplateExpression: createTemplateExpression,
+            updateTemplateExpression: updateTemplateExpression,
+            createTemplateHead: createTemplateHead,
+            createTemplateMiddle: createTemplateMiddle,
+            createTemplateTail: createTemplateTail,
+            createNoSubstitutionTemplateLiteral: createNoSubstitutionTemplateLiteral,
+            createTemplateLiteralLikeNode: createTemplateLiteralLikeNode,
+            createYieldExpression: createYieldExpression,
+            updateYieldExpression: updateYieldExpression,
+            createSpreadElement: createSpreadElement,
+            updateSpreadElement: updateSpreadElement,
+            createClassExpression: createClassExpression,
+            updateClassExpression: updateClassExpression,
+            createOmittedExpression: createOmittedExpression,
+            createExpressionWithTypeArguments: createExpressionWithTypeArguments,
+            updateExpressionWithTypeArguments: updateExpressionWithTypeArguments,
+            createAsExpression: createAsExpression,
+            updateAsExpression: updateAsExpression,
+            createNonNullExpression: createNonNullExpression,
+            updateNonNullExpression: updateNonNullExpression,
+            createNonNullChain: createNonNullChain,
+            updateNonNullChain: updateNonNullChain,
+            createMetaProperty: createMetaProperty,
+            updateMetaProperty: updateMetaProperty,
+            createTemplateSpan: createTemplateSpan,
+            updateTemplateSpan: updateTemplateSpan,
+            createSemicolonClassElement: createSemicolonClassElement,
+            createBlock: createBlock,
+            updateBlock: updateBlock,
+            createVariableStatement: createVariableStatement,
+            updateVariableStatement: updateVariableStatement,
+            createEmptyStatement: createEmptyStatement,
+            createExpressionStatement: createExpressionStatement,
+            updateExpressionStatement: updateExpressionStatement,
+            createIfStatement: createIfStatement,
+            updateIfStatement: updateIfStatement,
+            createDoStatement: createDoStatement,
+            updateDoStatement: updateDoStatement,
+            createWhileStatement: createWhileStatement,
+            updateWhileStatement: updateWhileStatement,
+            createForStatement: createForStatement,
+            updateForStatement: updateForStatement,
+            createForInStatement: createForInStatement,
+            updateForInStatement: updateForInStatement,
+            createForOfStatement: createForOfStatement,
+            updateForOfStatement: updateForOfStatement,
+            createContinueStatement: createContinueStatement,
+            updateContinueStatement: updateContinueStatement,
+            createBreakStatement: createBreakStatement,
+            updateBreakStatement: updateBreakStatement,
+            createReturnStatement: createReturnStatement,
+            updateReturnStatement: updateReturnStatement,
+            createWithStatement: createWithStatement,
+            updateWithStatement: updateWithStatement,
+            createSwitchStatement: createSwitchStatement,
+            updateSwitchStatement: updateSwitchStatement,
+            createLabeledStatement: createLabeledStatement,
+            updateLabeledStatement: updateLabeledStatement,
+            createThrowStatement: createThrowStatement,
+            updateThrowStatement: updateThrowStatement,
+            createTryStatement: createTryStatement,
+            updateTryStatement: updateTryStatement,
+            createDebuggerStatement: createDebuggerStatement,
+            createVariableDeclaration: createVariableDeclaration,
+            updateVariableDeclaration: updateVariableDeclaration,
+            createVariableDeclarationList: createVariableDeclarationList,
+            updateVariableDeclarationList: updateVariableDeclarationList,
+            createFunctionDeclaration: createFunctionDeclaration,
+            updateFunctionDeclaration: updateFunctionDeclaration,
+            createClassDeclaration: createClassDeclaration,
+            updateClassDeclaration: updateClassDeclaration,
+            createInterfaceDeclaration: createInterfaceDeclaration,
+            updateInterfaceDeclaration: updateInterfaceDeclaration,
+            createTypeAliasDeclaration: createTypeAliasDeclaration,
+            updateTypeAliasDeclaration: updateTypeAliasDeclaration,
+            createEnumDeclaration: createEnumDeclaration,
+            updateEnumDeclaration: updateEnumDeclaration,
+            createModuleDeclaration: createModuleDeclaration,
+            updateModuleDeclaration: updateModuleDeclaration,
+            createModuleBlock: createModuleBlock,
+            updateModuleBlock: updateModuleBlock,
+            createCaseBlock: createCaseBlock,
+            updateCaseBlock: updateCaseBlock,
+            createNamespaceExportDeclaration: createNamespaceExportDeclaration,
+            updateNamespaceExportDeclaration: updateNamespaceExportDeclaration,
+            createImportEqualsDeclaration: createImportEqualsDeclaration,
+            updateImportEqualsDeclaration: updateImportEqualsDeclaration,
+            createImportDeclaration: createImportDeclaration,
+            updateImportDeclaration: updateImportDeclaration,
+            createImportClause: createImportClause,
+            updateImportClause: updateImportClause,
+            createAssertClause: createAssertClause,
+            updateAssertClause: updateAssertClause,
+            createAssertEntry: createAssertEntry,
+            updateAssertEntry: updateAssertEntry,
+            createImportTypeAssertionContainer: createImportTypeAssertionContainer,
+            updateImportTypeAssertionContainer: updateImportTypeAssertionContainer,
+            createNamespaceImport: createNamespaceImport,
+            updateNamespaceImport: updateNamespaceImport,
+            createNamespaceExport: createNamespaceExport,
+            updateNamespaceExport: updateNamespaceExport,
+            createNamedImports: createNamedImports,
+            updateNamedImports: updateNamedImports,
+            createImportSpecifier: createImportSpecifier,
+            updateImportSpecifier: updateImportSpecifier,
+            createExportAssignment: createExportAssignment,
+            updateExportAssignment: updateExportAssignment,
+            createExportDeclaration: createExportDeclaration,
+            updateExportDeclaration: updateExportDeclaration,
+            createNamedExports: createNamedExports,
+            updateNamedExports: updateNamedExports,
+            createExportSpecifier: createExportSpecifier,
+            updateExportSpecifier: updateExportSpecifier,
+            createMissingDeclaration: createMissingDeclaration,
+            createExternalModuleReference: createExternalModuleReference,
+            updateExternalModuleReference: updateExternalModuleReference,
+            // lazily load factory members for JSDoc types with similar structure
+            get createJSDocAllType() { return getJSDocPrimaryTypeCreateFunction(312 /* SyntaxKind.JSDocAllType */); },
+            get createJSDocUnknownType() { return getJSDocPrimaryTypeCreateFunction(313 /* SyntaxKind.JSDocUnknownType */); },
+            get createJSDocNonNullableType() { return getJSDocPrePostfixUnaryTypeCreateFunction(315 /* SyntaxKind.JSDocNonNullableType */); },
+            get updateJSDocNonNullableType() { return getJSDocPrePostfixUnaryTypeUpdateFunction(315 /* SyntaxKind.JSDocNonNullableType */); },
+            get createJSDocNullableType() { return getJSDocPrePostfixUnaryTypeCreateFunction(314 /* SyntaxKind.JSDocNullableType */); },
+            get updateJSDocNullableType() { return getJSDocPrePostfixUnaryTypeUpdateFunction(314 /* SyntaxKind.JSDocNullableType */); },
+            get createJSDocOptionalType() { return getJSDocUnaryTypeCreateFunction(316 /* SyntaxKind.JSDocOptionalType */); },
+            get updateJSDocOptionalType() { return getJSDocUnaryTypeUpdateFunction(316 /* SyntaxKind.JSDocOptionalType */); },
+            get createJSDocVariadicType() { return getJSDocUnaryTypeCreateFunction(318 /* SyntaxKind.JSDocVariadicType */); },
+            get updateJSDocVariadicType() { return getJSDocUnaryTypeUpdateFunction(318 /* SyntaxKind.JSDocVariadicType */); },
+            get createJSDocNamepathType() { return getJSDocUnaryTypeCreateFunction(319 /* SyntaxKind.JSDocNamepathType */); },
+            get updateJSDocNamepathType() { return getJSDocUnaryTypeUpdateFunction(319 /* SyntaxKind.JSDocNamepathType */); },
+            createJSDocFunctionType: createJSDocFunctionType,
+            updateJSDocFunctionType: updateJSDocFunctionType,
+            createJSDocTypeLiteral: createJSDocTypeLiteral,
+            updateJSDocTypeLiteral: updateJSDocTypeLiteral,
+            createJSDocTypeExpression: createJSDocTypeExpression,
+            updateJSDocTypeExpression: updateJSDocTypeExpression,
+            createJSDocSignature: createJSDocSignature,
+            updateJSDocSignature: updateJSDocSignature,
+            createJSDocTemplateTag: createJSDocTemplateTag,
+            updateJSDocTemplateTag: updateJSDocTemplateTag,
+            createJSDocTypedefTag: createJSDocTypedefTag,
+            updateJSDocTypedefTag: updateJSDocTypedefTag,
+            createJSDocParameterTag: createJSDocParameterTag,
+            updateJSDocParameterTag: updateJSDocParameterTag,
+            createJSDocPropertyTag: createJSDocPropertyTag,
+            updateJSDocPropertyTag: updateJSDocPropertyTag,
+            createJSDocCallbackTag: createJSDocCallbackTag,
+            updateJSDocCallbackTag: updateJSDocCallbackTag,
+            createJSDocAugmentsTag: createJSDocAugmentsTag,
+            updateJSDocAugmentsTag: updateJSDocAugmentsTag,
+            createJSDocImplementsTag: createJSDocImplementsTag,
+            updateJSDocImplementsTag: updateJSDocImplementsTag,
+            createJSDocSeeTag: createJSDocSeeTag,
+            updateJSDocSeeTag: updateJSDocSeeTag,
+            createJSDocNameReference: createJSDocNameReference,
+            updateJSDocNameReference: updateJSDocNameReference,
+            createJSDocMemberName: createJSDocMemberName,
+            updateJSDocMemberName: updateJSDocMemberName,
+            createJSDocLink: createJSDocLink,
+            updateJSDocLink: updateJSDocLink,
+            createJSDocLinkCode: createJSDocLinkCode,
+            updateJSDocLinkCode: updateJSDocLinkCode,
+            createJSDocLinkPlain: createJSDocLinkPlain,
+            updateJSDocLinkPlain: updateJSDocLinkPlain,
+            // lazily load factory members for JSDoc tags with similar structure
+            get createJSDocTypeTag() { return getJSDocTypeLikeTagCreateFunction(343 /* SyntaxKind.JSDocTypeTag */); },
+            get updateJSDocTypeTag() { return getJSDocTypeLikeTagUpdateFunction(343 /* SyntaxKind.JSDocTypeTag */); },
+            get createJSDocReturnTag() { return getJSDocTypeLikeTagCreateFunction(341 /* SyntaxKind.JSDocReturnTag */); },
+            get updateJSDocReturnTag() { return getJSDocTypeLikeTagUpdateFunction(341 /* SyntaxKind.JSDocReturnTag */); },
+            get createJSDocThisTag() { return getJSDocTypeLikeTagCreateFunction(342 /* SyntaxKind.JSDocThisTag */); },
+            get updateJSDocThisTag() { return getJSDocTypeLikeTagUpdateFunction(342 /* SyntaxKind.JSDocThisTag */); },
+            get createJSDocEnumTag() { return getJSDocTypeLikeTagCreateFunction(339 /* SyntaxKind.JSDocEnumTag */); },
+            get updateJSDocEnumTag() { return getJSDocTypeLikeTagUpdateFunction(339 /* SyntaxKind.JSDocEnumTag */); },
+            get createJSDocAuthorTag() { return getJSDocSimpleTagCreateFunction(330 /* SyntaxKind.JSDocAuthorTag */); },
+            get updateJSDocAuthorTag() { return getJSDocSimpleTagUpdateFunction(330 /* SyntaxKind.JSDocAuthorTag */); },
+            get createJSDocClassTag() { return getJSDocSimpleTagCreateFunction(332 /* SyntaxKind.JSDocClassTag */); },
+            get updateJSDocClassTag() { return getJSDocSimpleTagUpdateFunction(332 /* SyntaxKind.JSDocClassTag */); },
+            get createJSDocPublicTag() { return getJSDocSimpleTagCreateFunction(333 /* SyntaxKind.JSDocPublicTag */); },
+            get updateJSDocPublicTag() { return getJSDocSimpleTagUpdateFunction(333 /* SyntaxKind.JSDocPublicTag */); },
+            get createJSDocPrivateTag() { return getJSDocSimpleTagCreateFunction(334 /* SyntaxKind.JSDocPrivateTag */); },
+            get updateJSDocPrivateTag() { return getJSDocSimpleTagUpdateFunction(334 /* SyntaxKind.JSDocPrivateTag */); },
+            get createJSDocProtectedTag() { return getJSDocSimpleTagCreateFunction(335 /* SyntaxKind.JSDocProtectedTag */); },
+            get updateJSDocProtectedTag() { return getJSDocSimpleTagUpdateFunction(335 /* SyntaxKind.JSDocProtectedTag */); },
+            get createJSDocReadonlyTag() { return getJSDocSimpleTagCreateFunction(336 /* SyntaxKind.JSDocReadonlyTag */); },
+            get updateJSDocReadonlyTag() { return getJSDocSimpleTagUpdateFunction(336 /* SyntaxKind.JSDocReadonlyTag */); },
+            get createJSDocOverrideTag() { return getJSDocSimpleTagCreateFunction(337 /* SyntaxKind.JSDocOverrideTag */); },
+            get updateJSDocOverrideTag() { return getJSDocSimpleTagUpdateFunction(337 /* SyntaxKind.JSDocOverrideTag */); },
+            get createJSDocDeprecatedTag() { return getJSDocSimpleTagCreateFunction(331 /* SyntaxKind.JSDocDeprecatedTag */); },
+            get updateJSDocDeprecatedTag() { return getJSDocSimpleTagUpdateFunction(331 /* SyntaxKind.JSDocDeprecatedTag */); },
+            createJSDocUnknownTag: createJSDocUnknownTag,
+            updateJSDocUnknownTag: updateJSDocUnknownTag,
+            createJSDocText: createJSDocText,
+            updateJSDocText: updateJSDocText,
+            createJSDocComment: createJSDocComment,
+            updateJSDocComment: updateJSDocComment,
+            createJsxElement: createJsxElement,
+            updateJsxElement: updateJsxElement,
+            createJsxSelfClosingElement: createJsxSelfClosingElement,
+            updateJsxSelfClosingElement: updateJsxSelfClosingElement,
+            createJsxOpeningElement: createJsxOpeningElement,
+            updateJsxOpeningElement: updateJsxOpeningElement,
+            createJsxClosingElement: createJsxClosingElement,
+            updateJsxClosingElement: updateJsxClosingElement,
+            createJsxFragment: createJsxFragment,
+            createJsxText: createJsxText,
+            updateJsxText: updateJsxText,
+            createJsxOpeningFragment: createJsxOpeningFragment,
+            createJsxJsxClosingFragment: createJsxJsxClosingFragment,
+            updateJsxFragment: updateJsxFragment,
+            createJsxAttribute: createJsxAttribute,
+            updateJsxAttribute: updateJsxAttribute,
+            createJsxAttributes: createJsxAttributes,
+            updateJsxAttributes: updateJsxAttributes,
+            createJsxSpreadAttribute: createJsxSpreadAttribute,
+            updateJsxSpreadAttribute: updateJsxSpreadAttribute,
+            createJsxExpression: createJsxExpression,
+            updateJsxExpression: updateJsxExpression,
+            createCaseClause: createCaseClause,
+            updateCaseClause: updateCaseClause,
+            createDefaultClause: createDefaultClause,
+            updateDefaultClause: updateDefaultClause,
+            createHeritageClause: createHeritageClause,
+            updateHeritageClause: updateHeritageClause,
+            createCatchClause: createCatchClause,
+            updateCatchClause: updateCatchClause,
+            createPropertyAssignment: createPropertyAssignment,
+            updatePropertyAssignment: updatePropertyAssignment,
+            createShorthandPropertyAssignment: createShorthandPropertyAssignment,
+            updateShorthandPropertyAssignment: updateShorthandPropertyAssignment,
+            createSpreadAssignment: createSpreadAssignment,
+            updateSpreadAssignment: updateSpreadAssignment,
+            createEnumMember: createEnumMember,
+            updateEnumMember: updateEnumMember,
+            createSourceFile: createSourceFile,
+            updateSourceFile: updateSourceFile,
+            createBundle: createBundle,
+            updateBundle: updateBundle,
+            createUnparsedSource: createUnparsedSource,
+            createUnparsedPrologue: createUnparsedPrologue,
+            createUnparsedPrepend: createUnparsedPrepend,
+            createUnparsedTextLike: createUnparsedTextLike,
+            createUnparsedSyntheticReference: createUnparsedSyntheticReference,
+            createInputFiles: createInputFiles,
+            createSyntheticExpression: createSyntheticExpression,
+            createSyntaxList: createSyntaxList,
+            createNotEmittedStatement: createNotEmittedStatement,
+            createPartiallyEmittedExpression: createPartiallyEmittedExpression,
+            updatePartiallyEmittedExpression: updatePartiallyEmittedExpression,
+            createCommaListExpression: createCommaListExpression,
+            updateCommaListExpression: updateCommaListExpression,
+            createEndOfDeclarationMarker: createEndOfDeclarationMarker,
+            createMergeDeclarationMarker: createMergeDeclarationMarker,
+            createSyntheticReferenceExpression: createSyntheticReferenceExpression,
+            updateSyntheticReferenceExpression: updateSyntheticReferenceExpression,
+            cloneNode: cloneNode,
+            // Lazily load factory methods for common operator factories and utilities
+            get createComma() { return getBinaryCreateFunction(27 /* SyntaxKind.CommaToken */); },
+            get createAssignment() { return getBinaryCreateFunction(63 /* SyntaxKind.EqualsToken */); },
+            get createLogicalOr() { return getBinaryCreateFunction(56 /* SyntaxKind.BarBarToken */); },
+            get createLogicalAnd() { return getBinaryCreateFunction(55 /* SyntaxKind.AmpersandAmpersandToken */); },
+            get createBitwiseOr() { return getBinaryCreateFunction(51 /* SyntaxKind.BarToken */); },
+            get createBitwiseXor() { return getBinaryCreateFunction(52 /* SyntaxKind.CaretToken */); },
+            get createBitwiseAnd() { return getBinaryCreateFunction(50 /* SyntaxKind.AmpersandToken */); },
+            get createStrictEquality() { return getBinaryCreateFunction(36 /* SyntaxKind.EqualsEqualsEqualsToken */); },
+            get createStrictInequality() { return getBinaryCreateFunction(37 /* SyntaxKind.ExclamationEqualsEqualsToken */); },
+            get createEquality() { return getBinaryCreateFunction(34 /* SyntaxKind.EqualsEqualsToken */); },
+            get createInequality() { return getBinaryCreateFunction(35 /* SyntaxKind.ExclamationEqualsToken */); },
+            get createLessThan() { return getBinaryCreateFunction(29 /* SyntaxKind.LessThanToken */); },
+            get createLessThanEquals() { return getBinaryCreateFunction(32 /* SyntaxKind.LessThanEqualsToken */); },
+            get createGreaterThan() { return getBinaryCreateFunction(31 /* SyntaxKind.GreaterThanToken */); },
+            get createGreaterThanEquals() { return getBinaryCreateFunction(33 /* SyntaxKind.GreaterThanEqualsToken */); },
+            get createLeftShift() { return getBinaryCreateFunction(47 /* SyntaxKind.LessThanLessThanToken */); },
+            get createRightShift() { return getBinaryCreateFunction(48 /* SyntaxKind.GreaterThanGreaterThanToken */); },
+            get createUnsignedRightShift() { return getBinaryCreateFunction(49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */); },
+            get createAdd() { return getBinaryCreateFunction(39 /* SyntaxKind.PlusToken */); },
+            get createSubtract() { return getBinaryCreateFunction(40 /* SyntaxKind.MinusToken */); },
+            get createMultiply() { return getBinaryCreateFunction(41 /* SyntaxKind.AsteriskToken */); },
+            get createDivide() { return getBinaryCreateFunction(43 /* SyntaxKind.SlashToken */); },
+            get createModulo() { return getBinaryCreateFunction(44 /* SyntaxKind.PercentToken */); },
+            get createExponent() { return getBinaryCreateFunction(42 /* SyntaxKind.AsteriskAsteriskToken */); },
+            get createPrefixPlus() { return getPrefixUnaryCreateFunction(39 /* SyntaxKind.PlusToken */); },
+            get createPrefixMinus() { return getPrefixUnaryCreateFunction(40 /* SyntaxKind.MinusToken */); },
+            get createPrefixIncrement() { return getPrefixUnaryCreateFunction(45 /* SyntaxKind.PlusPlusToken */); },
+            get createPrefixDecrement() { return getPrefixUnaryCreateFunction(46 /* SyntaxKind.MinusMinusToken */); },
+            get createBitwiseNot() { return getPrefixUnaryCreateFunction(54 /* SyntaxKind.TildeToken */); },
+            get createLogicalNot() { return getPrefixUnaryCreateFunction(53 /* SyntaxKind.ExclamationToken */); },
+            get createPostfixIncrement() { return getPostfixUnaryCreateFunction(45 /* SyntaxKind.PlusPlusToken */); },
+            get createPostfixDecrement() { return getPostfixUnaryCreateFunction(46 /* SyntaxKind.MinusMinusToken */); },
+            // Compound nodes
+            createImmediatelyInvokedFunctionExpression: createImmediatelyInvokedFunctionExpression,
+            createImmediatelyInvokedArrowFunction: createImmediatelyInvokedArrowFunction,
+            createVoidZero: createVoidZero,
+            createExportDefault: createExportDefault,
+            createExternalModuleExport: createExternalModuleExport,
+            createTypeCheck: createTypeCheck,
+            createMethodCall: createMethodCall,
+            createGlobalMethodCall: createGlobalMethodCall,
+            createFunctionBindCall: createFunctionBindCall,
+            createFunctionCallCall: createFunctionCallCall,
+            createFunctionApplyCall: createFunctionApplyCall,
+            createArraySliceCall: createArraySliceCall,
+            createArrayConcatCall: createArrayConcatCall,
+            createObjectDefinePropertyCall: createObjectDefinePropertyCall,
+            createReflectGetCall: createReflectGetCall,
+            createReflectSetCall: createReflectSetCall,
+            createPropertyDescriptor: createPropertyDescriptor,
+            createCallBinding: createCallBinding,
+            createAssignmentTargetWrapper: createAssignmentTargetWrapper,
+            // Utilities
+            inlineExpressions: inlineExpressions,
+            getInternalName: getInternalName,
+            getLocalName: getLocalName,
+            getExportName: getExportName,
+            getDeclarationName: getDeclarationName,
+            getNamespaceMemberName: getNamespaceMemberName,
+            getExternalModuleOrNamespaceExportName: getExternalModuleOrNamespaceExportName,
+            restoreOuterExpressions: restoreOuterExpressions,
+            restoreEnclosingLabel: restoreEnclosingLabel,
+            createUseStrictPrologue: createUseStrictPrologue,
+            copyPrologue: copyPrologue,
+            copyStandardPrologue: copyStandardPrologue,
+            copyCustomPrologue: copyCustomPrologue,
+            ensureUseStrict: ensureUseStrict,
+            liftToBlock: liftToBlock,
+            mergeLexicalEnvironment: mergeLexicalEnvironment,
+            updateModifiers: updateModifiers,
+        };
+        return factory;
+        // @api
+        function createNodeArray(elements, hasTrailingComma) {
+            if (elements === undefined || elements === ts.emptyArray) {
+                elements = [];
+            }
+            else if (ts.isNodeArray(elements)) {
+                if (hasTrailingComma === undefined || elements.hasTrailingComma === hasTrailingComma) {
+                    // Ensure the transform flags have been aggregated for this NodeArray
+                    if (elements.transformFlags === undefined) {
+                        aggregateChildrenFlags(elements);
+                    }
+                    ts.Debug.attachNodeArrayDebugInfo(elements);
+                    return elements;
+                }
+                // This *was* a `NodeArray`, but the `hasTrailingComma` option differs. Recreate the
+                // array with the same elements, text range, and transform flags but with the updated
+                // value for `hasTrailingComma`
+                var array_8 = elements.slice();
+                array_8.pos = elements.pos;
+                array_8.end = elements.end;
+                array_8.hasTrailingComma = hasTrailingComma;
+                array_8.transformFlags = elements.transformFlags;
+                ts.Debug.attachNodeArrayDebugInfo(array_8);
+                return array_8;
+            }
+            // Since the element list of a node array is typically created by starting with an empty array and
+            // repeatedly calling push(), the list may not have the optimal memory layout. We invoke slice() for
+            // small arrays (1 to 4 elements) to give the VM a chance to allocate an optimal representation.
+            var length = elements.length;
+            var array = (length >= 1 && length <= 4 ? elements.slice() : elements);
+            ts.setTextRangePosEnd(array, -1, -1);
+            array.hasTrailingComma = !!hasTrailingComma;
+            aggregateChildrenFlags(array);
+            ts.Debug.attachNodeArrayDebugInfo(array);
+            return array;
+        }
+        function createBaseNode(kind) {
+            return baseFactory.createBaseNode(kind);
+        }
+        function createBaseDeclaration(kind, decorators, modifiers) {
+            var node = createBaseNode(kind);
+            node.decorators = asNodeArray(decorators);
+            node.modifiers = asNodeArray(modifiers);
+            node.transformFlags |=
+                propagateChildrenFlags(node.decorators) |
+                    propagateChildrenFlags(node.modifiers);
+            // NOTE: The following properties are commonly set by the binder and are added here to
+            // ensure declarations have a stable shape.
+            node.symbol = undefined; // initialized by binder
+            node.localSymbol = undefined; // initialized by binder
+            node.locals = undefined; // initialized by binder
+            node.nextContainer = undefined; // initialized by binder
+            return node;
+        }
+        function createBaseNamedDeclaration(kind, decorators, modifiers, name) {
+            var node = createBaseDeclaration(kind, decorators, modifiers);
+            name = asName(name);
+            node.name = name;
+            // The PropertyName of a member is allowed to be `await`.
+            // We don't need to exclude `await` for type signatures since types
+            // don't propagate child flags.
+            if (name) {
+                switch (node.kind) {
+                    case 169 /* SyntaxKind.MethodDeclaration */:
+                    case 172 /* SyntaxKind.GetAccessor */:
+                    case 173 /* SyntaxKind.SetAccessor */:
+                    case 167 /* SyntaxKind.PropertyDeclaration */:
+                    case 296 /* SyntaxKind.PropertyAssignment */:
+                        if (ts.isIdentifier(name)) {
+                            node.transformFlags |= propagateIdentifierNameFlags(name);
+                            break;
+                        }
+                    // fall through
+                    default:
+                        node.transformFlags |= propagateChildFlags(name);
+                        break;
+                }
+            }
+            return node;
+        }
+        function createBaseGenericNamedDeclaration(kind, decorators, modifiers, name, typeParameters) {
+            var node = createBaseNamedDeclaration(kind, decorators, modifiers, name);
+            node.typeParameters = asNodeArray(typeParameters);
+            node.transformFlags |= propagateChildrenFlags(node.typeParameters);
+            if (typeParameters)
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        function createBaseSignatureDeclaration(kind, decorators, modifiers, name, typeParameters, parameters, type) {
+            var node = createBaseGenericNamedDeclaration(kind, decorators, modifiers, name, typeParameters);
+            node.parameters = createNodeArray(parameters);
+            node.type = type;
+            node.transformFlags |=
+                propagateChildrenFlags(node.parameters) |
+                    propagateChildFlags(node.type);
+            if (type)
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        function updateBaseSignatureDeclaration(updated, original) {
+            // copy children used only for error reporting
+            if (original.typeArguments)
+                updated.typeArguments = original.typeArguments;
+            return update(updated, original);
+        }
+        function createBaseFunctionLikeDeclaration(kind, decorators, modifiers, name, typeParameters, parameters, type, body) {
+            var node = createBaseSignatureDeclaration(kind, decorators, modifiers, name, typeParameters, parameters, type);
+            node.body = body;
+            node.transformFlags |= propagateChildFlags(node.body) & ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */;
+            if (!body)
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        function updateBaseFunctionLikeDeclaration(updated, original) {
+            // copy children used only for error reporting
+            if (original.exclamationToken)
+                updated.exclamationToken = original.exclamationToken;
+            if (original.typeArguments)
+                updated.typeArguments = original.typeArguments;
+            return updateBaseSignatureDeclaration(updated, original);
+        }
+        function createBaseInterfaceOrClassLikeDeclaration(kind, decorators, modifiers, name, typeParameters, heritageClauses) {
+            var node = createBaseGenericNamedDeclaration(kind, decorators, modifiers, name, typeParameters);
+            node.heritageClauses = asNodeArray(heritageClauses);
+            node.transformFlags |= propagateChildrenFlags(node.heritageClauses);
+            return node;
+        }
+        function createBaseClassLikeDeclaration(kind, decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            var node = createBaseInterfaceOrClassLikeDeclaration(kind, decorators, modifiers, name, typeParameters, heritageClauses);
+            node.members = createNodeArray(members);
+            node.transformFlags |= propagateChildrenFlags(node.members);
+            return node;
+        }
+        function createBaseBindingLikeDeclaration(kind, decorators, modifiers, name, initializer) {
+            var node = createBaseNamedDeclaration(kind, decorators, modifiers, name);
+            node.initializer = initializer;
+            node.transformFlags |= propagateChildFlags(node.initializer);
+            return node;
+        }
+        function createBaseVariableLikeDeclaration(kind, decorators, modifiers, name, type, initializer) {
+            var node = createBaseBindingLikeDeclaration(kind, decorators, modifiers, name, initializer);
+            node.type = type;
+            node.transformFlags |= propagateChildFlags(type);
+            if (type)
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        //
+        // Literals
+        //
+        function createBaseLiteral(kind, text) {
+            var node = createBaseToken(kind);
+            node.text = text;
+            return node;
+        }
+        // @api
+        function createNumericLiteral(value, numericLiteralFlags) {
+            if (numericLiteralFlags === void 0) { numericLiteralFlags = 0 /* TokenFlags.None */; }
+            var node = createBaseLiteral(8 /* SyntaxKind.NumericLiteral */, typeof value === "number" ? value + "" : value);
+            node.numericLiteralFlags = numericLiteralFlags;
+            if (numericLiteralFlags & 384 /* TokenFlags.BinaryOrOctalSpecifier */)
+                node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function createBigIntLiteral(value) {
+            var node = createBaseLiteral(9 /* SyntaxKind.BigIntLiteral */, typeof value === "string" ? value : ts.pseudoBigIntToString(value) + "n");
+            node.transformFlags |= 4 /* TransformFlags.ContainsESNext */;
+            return node;
+        }
+        function createBaseStringLiteral(text, isSingleQuote) {
+            var node = createBaseLiteral(10 /* SyntaxKind.StringLiteral */, text);
+            node.singleQuote = isSingleQuote;
+            return node;
+        }
+        // @api
+        function createStringLiteral(text, isSingleQuote, hasExtendedUnicodeEscape) {
+            var node = createBaseStringLiteral(text, isSingleQuote);
+            node.hasExtendedUnicodeEscape = hasExtendedUnicodeEscape;
+            if (hasExtendedUnicodeEscape)
+                node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function createStringLiteralFromNode(sourceNode) {
+            var node = createBaseStringLiteral(ts.getTextOfIdentifierOrLiteral(sourceNode), /*isSingleQuote*/ undefined);
+            node.textSourceNode = sourceNode;
+            return node;
+        }
+        // @api
+        function createRegularExpressionLiteral(text) {
+            var node = createBaseLiteral(13 /* SyntaxKind.RegularExpressionLiteral */, text);
+            return node;
+        }
+        // @api
+        function createLiteralLikeNode(kind, text) {
+            switch (kind) {
+                case 8 /* SyntaxKind.NumericLiteral */: return createNumericLiteral(text, /*numericLiteralFlags*/ 0);
+                case 9 /* SyntaxKind.BigIntLiteral */: return createBigIntLiteral(text);
+                case 10 /* SyntaxKind.StringLiteral */: return createStringLiteral(text, /*isSingleQuote*/ undefined);
+                case 11 /* SyntaxKind.JsxText */: return createJsxText(text, /*containsOnlyTriviaWhiteSpaces*/ false);
+                case 12 /* SyntaxKind.JsxTextAllWhiteSpaces */: return createJsxText(text, /*containsOnlyTriviaWhiteSpaces*/ true);
+                case 13 /* SyntaxKind.RegularExpressionLiteral */: return createRegularExpressionLiteral(text);
+                case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: return createTemplateLiteralLikeNode(kind, text, /*rawText*/ undefined, /*templateFlags*/ 0);
+            }
+        }
+        //
+        // Identifiers
+        //
+        function createBaseIdentifier(text, originalKeywordKind) {
+            if (originalKeywordKind === undefined && text) {
+                originalKeywordKind = ts.stringToToken(text);
+            }
+            if (originalKeywordKind === 79 /* SyntaxKind.Identifier */) {
+                originalKeywordKind = undefined;
+            }
+            var node = baseFactory.createBaseIdentifierNode(79 /* SyntaxKind.Identifier */);
+            node.originalKeywordKind = originalKeywordKind;
+            node.escapedText = ts.escapeLeadingUnderscores(text);
+            return node;
+        }
+        function createBaseGeneratedIdentifier(text, autoGenerateFlags) {
+            var node = createBaseIdentifier(text, /*originalKeywordKind*/ undefined);
+            node.autoGenerateFlags = autoGenerateFlags;
+            node.autoGenerateId = nextAutoGenerateId;
+            nextAutoGenerateId++;
+            return node;
+        }
+        // @api
+        function createIdentifier(text, typeArguments, originalKeywordKind) {
+            var node = createBaseIdentifier(text, originalKeywordKind);
+            if (typeArguments) {
+                // NOTE: we do not use `setChildren` here because typeArguments in an identifier do not contribute to transformations
+                node.typeArguments = createNodeArray(typeArguments);
+            }
+            if (node.originalKeywordKind === 132 /* SyntaxKind.AwaitKeyword */) {
+                node.transformFlags |= 16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */;
+            }
+            return node;
+        }
+        // @api
+        function updateIdentifier(node, typeArguments) {
+            return node.typeArguments !== typeArguments
+                ? update(createIdentifier(ts.idText(node), typeArguments), node)
+                : node;
+        }
+        // @api
+        function createTempVariable(recordTempVariable, reservedInNestedScopes) {
+            var flags = 1 /* GeneratedIdentifierFlags.Auto */;
+            if (reservedInNestedScopes)
+                flags |= 8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */;
+            var name = createBaseGeneratedIdentifier("", flags);
+            if (recordTempVariable) {
+                recordTempVariable(name);
+            }
+            return name;
+        }
+        /** Create a unique temporary variable for use in a loop. */
+        // @api
+        function createLoopVariable(reservedInNestedScopes) {
+            var flags = 2 /* GeneratedIdentifierFlags.Loop */;
+            if (reservedInNestedScopes)
+                flags |= 8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */;
+            return createBaseGeneratedIdentifier("", flags);
+        }
+        /** Create a unique name based on the supplied text. */
+        // @api
+        function createUniqueName(text, flags) {
+            if (flags === void 0) { flags = 0 /* GeneratedIdentifierFlags.None */; }
+            ts.Debug.assert(!(flags & 7 /* GeneratedIdentifierFlags.KindMask */), "Argument out of range: flags");
+            ts.Debug.assert((flags & (16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */)) !== 32 /* GeneratedIdentifierFlags.FileLevel */, "GeneratedIdentifierFlags.FileLevel cannot be set without also setting GeneratedIdentifierFlags.Optimistic");
+            return createBaseGeneratedIdentifier(text, 3 /* GeneratedIdentifierFlags.Unique */ | flags);
+        }
+        /** Create a unique name generated for a node. */
+        // @api
+        function getGeneratedNameForNode(node, flags) {
+            if (flags === void 0) { flags = 0; }
+            ts.Debug.assert(!(flags & 7 /* GeneratedIdentifierFlags.KindMask */), "Argument out of range: flags");
+            var name = createBaseGeneratedIdentifier(node && ts.isIdentifier(node) ? ts.idText(node) : "", 4 /* GeneratedIdentifierFlags.Node */ | flags);
+            name.original = node;
+            return name;
+        }
+        // @api
+        function createPrivateIdentifier(text) {
+            if (!ts.startsWith(text, "#"))
+                ts.Debug.fail("First character of private identifier must be #: " + text);
+            var node = baseFactory.createBasePrivateIdentifierNode(80 /* SyntaxKind.PrivateIdentifier */);
+            node.escapedText = ts.escapeLeadingUnderscores(text);
+            node.transformFlags |= 8388608 /* TransformFlags.ContainsClassFields */;
+            return node;
+        }
+        //
+        // Punctuation
+        //
+        function createBaseToken(kind) {
+            return baseFactory.createBaseTokenNode(kind);
+        }
+        function createToken(token) {
+            ts.Debug.assert(token >= 0 /* SyntaxKind.FirstToken */ && token <= 160 /* SyntaxKind.LastToken */, "Invalid token");
+            ts.Debug.assert(token <= 14 /* SyntaxKind.FirstTemplateToken */ || token >= 17 /* SyntaxKind.LastTemplateToken */, "Invalid token. Use 'createTemplateLiteralLikeNode' to create template literals.");
+            ts.Debug.assert(token <= 8 /* SyntaxKind.FirstLiteralToken */ || token >= 14 /* SyntaxKind.LastLiteralToken */, "Invalid token. Use 'createLiteralLikeNode' to create literals.");
+            ts.Debug.assert(token !== 79 /* SyntaxKind.Identifier */, "Invalid token. Use 'createIdentifier' to create identifiers");
+            var node = createBaseToken(token);
+            var transformFlags = 0 /* TransformFlags.None */;
+            switch (token) {
+                case 131 /* SyntaxKind.AsyncKeyword */:
+                    // 'async' modifier is ES2017 (async functions) or ES2018 (async generators)
+                    transformFlags =
+                        256 /* TransformFlags.ContainsES2017 */ |
+                            128 /* TransformFlags.ContainsES2018 */;
+                    break;
+                case 123 /* SyntaxKind.PublicKeyword */:
+                case 121 /* SyntaxKind.PrivateKeyword */:
+                case 122 /* SyntaxKind.ProtectedKeyword */:
+                case 145 /* SyntaxKind.ReadonlyKeyword */:
+                case 126 /* SyntaxKind.AbstractKeyword */:
+                case 135 /* SyntaxKind.DeclareKeyword */:
+                case 85 /* SyntaxKind.ConstKeyword */:
+                case 130 /* SyntaxKind.AnyKeyword */:
+                case 147 /* SyntaxKind.NumberKeyword */:
+                case 158 /* SyntaxKind.BigIntKeyword */:
+                case 143 /* SyntaxKind.NeverKeyword */:
+                case 148 /* SyntaxKind.ObjectKeyword */:
+                case 101 /* SyntaxKind.InKeyword */:
+                case 144 /* SyntaxKind.OutKeyword */:
+                case 159 /* SyntaxKind.OverrideKeyword */:
+                case 150 /* SyntaxKind.StringKeyword */:
+                case 133 /* SyntaxKind.BooleanKeyword */:
+                case 151 /* SyntaxKind.SymbolKeyword */:
+                case 114 /* SyntaxKind.VoidKeyword */:
+                case 155 /* SyntaxKind.UnknownKeyword */:
+                case 153 /* SyntaxKind.UndefinedKeyword */: // `undefined` is an Identifier in the expression case.
+                    transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+                    break;
+                case 106 /* SyntaxKind.SuperKeyword */:
+                    transformFlags = 1024 /* TransformFlags.ContainsES2015 */ | 33554432 /* TransformFlags.ContainsLexicalSuper */;
+                    break;
+                case 124 /* SyntaxKind.StaticKeyword */:
+                    transformFlags = 1024 /* TransformFlags.ContainsES2015 */;
+                    break;
+                case 108 /* SyntaxKind.ThisKeyword */:
+                    // 'this' indicates a lexical 'this'
+                    transformFlags = 8192 /* TransformFlags.ContainsLexicalThis */;
+                    break;
+            }
+            if (transformFlags) {
+                node.transformFlags |= transformFlags;
+            }
+            return node;
+        }
+        //
+        // Reserved words
+        //
+        // @api
+        function createSuper() {
+            return createToken(106 /* SyntaxKind.SuperKeyword */);
+        }
+        // @api
+        function createThis() {
+            return createToken(108 /* SyntaxKind.ThisKeyword */);
+        }
+        // @api
+        function createNull() {
+            return createToken(104 /* SyntaxKind.NullKeyword */);
+        }
+        // @api
+        function createTrue() {
+            return createToken(110 /* SyntaxKind.TrueKeyword */);
+        }
+        // @api
+        function createFalse() {
+            return createToken(95 /* SyntaxKind.FalseKeyword */);
+        }
+        //
+        // Modifiers
+        //
+        // @api
+        function createModifier(kind) {
+            return createToken(kind);
+        }
+        // @api
+        function createModifiersFromModifierFlags(flags) {
+            var result = [];
+            if (flags & 1 /* ModifierFlags.Export */)
+                result.push(createModifier(93 /* SyntaxKind.ExportKeyword */));
+            if (flags & 2 /* ModifierFlags.Ambient */)
+                result.push(createModifier(135 /* SyntaxKind.DeclareKeyword */));
+            if (flags & 512 /* ModifierFlags.Default */)
+                result.push(createModifier(88 /* SyntaxKind.DefaultKeyword */));
+            if (flags & 2048 /* ModifierFlags.Const */)
+                result.push(createModifier(85 /* SyntaxKind.ConstKeyword */));
+            if (flags & 4 /* ModifierFlags.Public */)
+                result.push(createModifier(123 /* SyntaxKind.PublicKeyword */));
+            if (flags & 8 /* ModifierFlags.Private */)
+                result.push(createModifier(121 /* SyntaxKind.PrivateKeyword */));
+            if (flags & 16 /* ModifierFlags.Protected */)
+                result.push(createModifier(122 /* SyntaxKind.ProtectedKeyword */));
+            if (flags & 128 /* ModifierFlags.Abstract */)
+                result.push(createModifier(126 /* SyntaxKind.AbstractKeyword */));
+            if (flags & 32 /* ModifierFlags.Static */)
+                result.push(createModifier(124 /* SyntaxKind.StaticKeyword */));
+            if (flags & 16384 /* ModifierFlags.Override */)
+                result.push(createModifier(159 /* SyntaxKind.OverrideKeyword */));
+            if (flags & 64 /* ModifierFlags.Readonly */)
+                result.push(createModifier(145 /* SyntaxKind.ReadonlyKeyword */));
+            if (flags & 256 /* ModifierFlags.Async */)
+                result.push(createModifier(131 /* SyntaxKind.AsyncKeyword */));
+            if (flags & 32768 /* ModifierFlags.In */)
+                result.push(createModifier(101 /* SyntaxKind.InKeyword */));
+            if (flags & 65536 /* ModifierFlags.Out */)
+                result.push(createModifier(144 /* SyntaxKind.OutKeyword */));
+            return result.length ? result : undefined;
+        }
+        //
+        // Names
+        //
+        // @api
+        function createQualifiedName(left, right) {
+            var node = createBaseNode(161 /* SyntaxKind.QualifiedName */);
+            node.left = left;
+            node.right = asName(right);
+            node.transformFlags |=
+                propagateChildFlags(node.left) |
+                    propagateIdentifierNameFlags(node.right);
+            return node;
+        }
+        // @api
+        function updateQualifiedName(node, left, right) {
+            return node.left !== left
+                || node.right !== right
+                ? update(createQualifiedName(left, right), node)
+                : node;
+        }
+        // @api
+        function createComputedPropertyName(expression) {
+            var node = createBaseNode(162 /* SyntaxKind.ComputedPropertyName */);
+            node.expression = parenthesizerRules().parenthesizeExpressionOfComputedPropertyName(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    1024 /* TransformFlags.ContainsES2015 */ |
+                    65536 /* TransformFlags.ContainsComputedPropertyName */;
+            return node;
+        }
+        // @api
+        function updateComputedPropertyName(node, expression) {
+            return node.expression !== expression
+                ? update(createComputedPropertyName(expression), node)
+                : node;
+        }
+        function createTypeParameterDeclaration(modifiersOrName, nameOrConstraint, constraintOrDefault, defaultType) {
+            var name;
+            var modifiers;
+            var constraint;
+            if (modifiersOrName === undefined || ts.isArray(modifiersOrName)) {
+                modifiers = modifiersOrName;
+                name = nameOrConstraint;
+                constraint = constraintOrDefault;
+            }
+            else {
+                modifiers = undefined;
+                name = modifiersOrName;
+                constraint = nameOrConstraint;
+            }
+            var node = createBaseNamedDeclaration(163 /* SyntaxKind.TypeParameter */, 
+            /*decorators*/ undefined, modifiers, name);
+            node.constraint = constraint;
+            node.default = defaultType;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        function updateTypeParameterDeclaration(node, modifiersOrName, nameOrConstraint, constraintOrDefault, defaultType) {
+            var name;
+            var modifiers;
+            var constraint;
+            if (modifiersOrName === undefined || ts.isArray(modifiersOrName)) {
+                modifiers = modifiersOrName;
+                name = nameOrConstraint;
+                constraint = constraintOrDefault;
+            }
+            else {
+                modifiers = undefined;
+                name = modifiersOrName;
+                constraint = nameOrConstraint;
+            }
+            return node.modifiers !== modifiers
+                || node.name !== name
+                || node.constraint !== constraint
+                || node.default !== defaultType
+                ? update(createTypeParameterDeclaration(modifiers, name, constraint, defaultType), node)
+                : node;
+        }
+        // @api
+        function createParameterDeclaration(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
+            var node = createBaseVariableLikeDeclaration(164 /* SyntaxKind.Parameter */, decorators, modifiers, name, type, initializer && parenthesizerRules().parenthesizeExpressionForDisallowedComma(initializer));
+            node.dotDotDotToken = dotDotDotToken;
+            node.questionToken = questionToken;
+            if (ts.isThisIdentifier(node.name)) {
+                node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            else {
+                node.transformFlags |=
+                    propagateChildFlags(node.dotDotDotToken) |
+                        propagateChildFlags(node.questionToken);
+                if (questionToken)
+                    node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+                if (ts.modifiersToFlags(node.modifiers) & 16476 /* ModifierFlags.ParameterPropertyModifier */)
+                    node.transformFlags |= 4096 /* TransformFlags.ContainsTypeScriptClassSyntax */;
+                if (initializer || dotDotDotToken)
+                    node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            }
+            return node;
+        }
+        // @api
+        function updateParameterDeclaration(node, decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.dotDotDotToken !== dotDotDotToken
+                || node.name !== name
+                || node.questionToken !== questionToken
+                || node.type !== type
+                || node.initializer !== initializer
+                ? update(createParameterDeclaration(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer), node)
+                : node;
+        }
+        // @api
+        function createDecorator(expression) {
+            var node = createBaseNode(165 /* SyntaxKind.Decorator */);
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    1 /* TransformFlags.ContainsTypeScript */ |
+                    4096 /* TransformFlags.ContainsTypeScriptClassSyntax */;
+            return node;
+        }
+        // @api
+        function updateDecorator(node, expression) {
+            return node.expression !== expression
+                ? update(createDecorator(expression), node)
+                : node;
+        }
+        //
+        // Type Elements
+        //
+        // @api
+        function createPropertySignature(modifiers, name, questionToken, type) {
+            var node = createBaseNamedDeclaration(166 /* SyntaxKind.PropertySignature */, 
+            /*decorators*/ undefined, modifiers, name);
+            node.type = type;
+            node.questionToken = questionToken;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updatePropertySignature(node, modifiers, name, questionToken, type) {
+            return node.modifiers !== modifiers
+                || node.name !== name
+                || node.questionToken !== questionToken
+                || node.type !== type
+                ? update(createPropertySignature(modifiers, name, questionToken, type), node)
+                : node;
+        }
+        // @api
+        function createPropertyDeclaration(decorators, modifiers, name, questionOrExclamationToken, type, initializer) {
+            var node = createBaseVariableLikeDeclaration(167 /* SyntaxKind.PropertyDeclaration */, decorators, modifiers, name, type, initializer);
+            node.questionToken = questionOrExclamationToken && ts.isQuestionToken(questionOrExclamationToken) ? questionOrExclamationToken : undefined;
+            node.exclamationToken = questionOrExclamationToken && ts.isExclamationToken(questionOrExclamationToken) ? questionOrExclamationToken : undefined;
+            node.transformFlags |=
+                propagateChildFlags(node.questionToken) |
+                    propagateChildFlags(node.exclamationToken) |
+                    8388608 /* TransformFlags.ContainsClassFields */;
+            if (ts.isComputedPropertyName(node.name) || (ts.hasStaticModifier(node) && node.initializer)) {
+                node.transformFlags |= 4096 /* TransformFlags.ContainsTypeScriptClassSyntax */;
+            }
+            if (questionOrExclamationToken || ts.modifiersToFlags(node.modifiers) & 2 /* ModifierFlags.Ambient */) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            return node;
+        }
+        // @api
+        function updatePropertyDeclaration(node, decorators, modifiers, name, questionOrExclamationToken, type, initializer) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.questionToken !== (questionOrExclamationToken !== undefined && ts.isQuestionToken(questionOrExclamationToken) ? questionOrExclamationToken : undefined)
+                || node.exclamationToken !== (questionOrExclamationToken !== undefined && ts.isExclamationToken(questionOrExclamationToken) ? questionOrExclamationToken : undefined)
+                || node.type !== type
+                || node.initializer !== initializer
+                ? update(createPropertyDeclaration(decorators, modifiers, name, questionOrExclamationToken, type, initializer), node)
+                : node;
+        }
+        // @api
+        function createMethodSignature(modifiers, name, questionToken, typeParameters, parameters, type) {
+            var node = createBaseSignatureDeclaration(168 /* SyntaxKind.MethodSignature */, 
+            /*decorators*/ undefined, modifiers, name, typeParameters, parameters, type);
+            node.questionToken = questionToken;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateMethodSignature(node, modifiers, name, questionToken, typeParameters, parameters, type) {
+            return node.modifiers !== modifiers
+                || node.name !== name
+                || node.questionToken !== questionToken
+                || node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                ? updateBaseSignatureDeclaration(createMethodSignature(modifiers, name, questionToken, typeParameters, parameters, type), node)
+                : node;
+        }
+        // @api
+        function createMethodDeclaration(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
+            var node = createBaseFunctionLikeDeclaration(169 /* SyntaxKind.MethodDeclaration */, decorators, modifiers, name, typeParameters, parameters, type, body);
+            node.asteriskToken = asteriskToken;
+            node.questionToken = questionToken;
+            node.transformFlags |=
+                propagateChildFlags(node.asteriskToken) |
+                    propagateChildFlags(node.questionToken) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            if (questionToken) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            if (ts.modifiersToFlags(node.modifiers) & 256 /* ModifierFlags.Async */) {
+                if (asteriskToken) {
+                    node.transformFlags |= 128 /* TransformFlags.ContainsES2018 */;
+                }
+                else {
+                    node.transformFlags |= 256 /* TransformFlags.ContainsES2017 */;
+                }
+            }
+            else if (asteriskToken) {
+                node.transformFlags |= 2048 /* TransformFlags.ContainsGenerator */;
+            }
+            return node;
+        }
+        // @api
+        function updateMethodDeclaration(node, decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.asteriskToken !== asteriskToken
+                || node.name !== name
+                || node.questionToken !== questionToken
+                || node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createMethodDeclaration(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body), node)
+                : node;
+        }
+        // @api
+        function createClassStaticBlockDeclaration(decorators, modifiers, body) {
+            var node = createBaseGenericNamedDeclaration(170 /* SyntaxKind.ClassStaticBlockDeclaration */, decorators, modifiers, 
+            /*name*/ undefined, 
+            /*typeParameters*/ undefined);
+            node.body = body;
+            node.transformFlags = propagateChildFlags(body) | 8388608 /* TransformFlags.ContainsClassFields */;
+            return node;
+        }
+        // @api
+        function updateClassStaticBlockDeclaration(node, decorators, modifiers, body) {
+            return node.decorators !== decorators
+                || node.modifier !== modifiers
+                || node.body !== body
+                ? update(createClassStaticBlockDeclaration(decorators, modifiers, body), node)
+                : node;
+        }
+        // @api
+        function createConstructorDeclaration(decorators, modifiers, parameters, body) {
+            var node = createBaseFunctionLikeDeclaration(171 /* SyntaxKind.Constructor */, decorators, modifiers, 
+            /*name*/ undefined, 
+            /*typeParameters*/ undefined, parameters, 
+            /*type*/ undefined, body);
+            node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function updateConstructorDeclaration(node, decorators, modifiers, parameters, body) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.parameters !== parameters
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createConstructorDeclaration(decorators, modifiers, parameters, body), node)
+                : node;
+        }
+        // @api
+        function createGetAccessorDeclaration(decorators, modifiers, name, parameters, type, body) {
+            return createBaseFunctionLikeDeclaration(172 /* SyntaxKind.GetAccessor */, decorators, modifiers, name, 
+            /*typeParameters*/ undefined, parameters, type, body);
+        }
+        // @api
+        function updateGetAccessorDeclaration(node, decorators, modifiers, name, parameters, type, body) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.parameters !== parameters
+                || node.type !== type
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createGetAccessorDeclaration(decorators, modifiers, name, parameters, type, body), node)
+                : node;
+        }
+        // @api
+        function createSetAccessorDeclaration(decorators, modifiers, name, parameters, body) {
+            return createBaseFunctionLikeDeclaration(173 /* SyntaxKind.SetAccessor */, decorators, modifiers, name, 
+            /*typeParameters*/ undefined, parameters, 
+            /*type*/ undefined, body);
+        }
+        // @api
+        function updateSetAccessorDeclaration(node, decorators, modifiers, name, parameters, body) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.parameters !== parameters
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createSetAccessorDeclaration(decorators, modifiers, name, parameters, body), node)
+                : node;
+        }
+        // @api
+        function createCallSignature(typeParameters, parameters, type) {
+            var node = createBaseSignatureDeclaration(174 /* SyntaxKind.CallSignature */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*name*/ undefined, typeParameters, parameters, type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateCallSignature(node, typeParameters, parameters, type) {
+            return node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                ? updateBaseSignatureDeclaration(createCallSignature(typeParameters, parameters, type), node)
+                : node;
+        }
+        // @api
+        function createConstructSignature(typeParameters, parameters, type) {
+            var node = createBaseSignatureDeclaration(175 /* SyntaxKind.ConstructSignature */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*name*/ undefined, typeParameters, parameters, type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateConstructSignature(node, typeParameters, parameters, type) {
+            return node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                ? updateBaseSignatureDeclaration(createConstructSignature(typeParameters, parameters, type), node)
+                : node;
+        }
+        // @api
+        function createIndexSignature(decorators, modifiers, parameters, type) {
+            var node = createBaseSignatureDeclaration(176 /* SyntaxKind.IndexSignature */, decorators, modifiers, 
+            /*name*/ undefined, 
+            /*typeParameters*/ undefined, parameters, type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateIndexSignature(node, decorators, modifiers, parameters, type) {
+            return node.parameters !== parameters
+                || node.type !== type
+                || node.decorators !== decorators
+                || node.modifiers !== modifiers
+                ? updateBaseSignatureDeclaration(createIndexSignature(decorators, modifiers, parameters, type), node)
+                : node;
+        }
+        // @api
+        function createTemplateLiteralTypeSpan(type, literal) {
+            var node = createBaseNode(199 /* SyntaxKind.TemplateLiteralTypeSpan */);
+            node.type = type;
+            node.literal = literal;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTemplateLiteralTypeSpan(node, type, literal) {
+            return node.type !== type
+                || node.literal !== literal
+                ? update(createTemplateLiteralTypeSpan(type, literal), node)
+                : node;
+        }
+        //
+        // Types
+        //
+        // @api
+        function createKeywordTypeNode(kind) {
+            return createToken(kind);
+        }
+        // @api
+        function createTypePredicateNode(assertsModifier, parameterName, type) {
+            var node = createBaseNode(177 /* SyntaxKind.TypePredicate */);
+            node.assertsModifier = assertsModifier;
+            node.parameterName = asName(parameterName);
+            node.type = type;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypePredicateNode(node, assertsModifier, parameterName, type) {
+            return node.assertsModifier !== assertsModifier
+                || node.parameterName !== parameterName
+                || node.type !== type
+                ? update(createTypePredicateNode(assertsModifier, parameterName, type), node)
+                : node;
+        }
+        // @api
+        function createTypeReferenceNode(typeName, typeArguments) {
+            var node = createBaseNode(178 /* SyntaxKind.TypeReference */);
+            node.typeName = asName(typeName);
+            node.typeArguments = typeArguments && parenthesizerRules().parenthesizeTypeArguments(createNodeArray(typeArguments));
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypeReferenceNode(node, typeName, typeArguments) {
+            return node.typeName !== typeName
+                || node.typeArguments !== typeArguments
+                ? update(createTypeReferenceNode(typeName, typeArguments), node)
+                : node;
+        }
+        // @api
+        function createFunctionTypeNode(typeParameters, parameters, type) {
+            var node = createBaseSignatureDeclaration(179 /* SyntaxKind.FunctionType */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*name*/ undefined, typeParameters, parameters, type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateFunctionTypeNode(node, typeParameters, parameters, type) {
+            return node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                ? updateBaseSignatureDeclaration(createFunctionTypeNode(typeParameters, parameters, type), node)
+                : node;
+        }
+        // @api
+        function createConstructorTypeNode() {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            return args.length === 4 ? createConstructorTypeNode1.apply(void 0, args) :
+                args.length === 3 ? createConstructorTypeNode2.apply(void 0, args) :
+                    ts.Debug.fail("Incorrect number of arguments specified.");
+        }
+        function createConstructorTypeNode1(modifiers, typeParameters, parameters, type) {
+            var node = createBaseSignatureDeclaration(180 /* SyntaxKind.ConstructorType */, 
+            /*decorators*/ undefined, modifiers, 
+            /*name*/ undefined, typeParameters, parameters, type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        /** @deprecated */
+        function createConstructorTypeNode2(typeParameters, parameters, type) {
+            return createConstructorTypeNode1(/*modifiers*/ undefined, typeParameters, parameters, type);
+        }
+        // @api
+        function updateConstructorTypeNode() {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            return args.length === 5 ? updateConstructorTypeNode1.apply(void 0, args) :
+                args.length === 4 ? updateConstructorTypeNode2.apply(void 0, args) :
+                    ts.Debug.fail("Incorrect number of arguments specified.");
+        }
+        function updateConstructorTypeNode1(node, modifiers, typeParameters, parameters, type) {
+            return node.modifiers !== modifiers
+                || node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                ? updateBaseSignatureDeclaration(createConstructorTypeNode(modifiers, typeParameters, parameters, type), node)
+                : node;
+        }
+        /** @deprecated */
+        function updateConstructorTypeNode2(node, typeParameters, parameters, type) {
+            return updateConstructorTypeNode1(node, node.modifiers, typeParameters, parameters, type);
+        }
+        // @api
+        function createTypeQueryNode(exprName, typeArguments) {
+            var node = createBaseNode(181 /* SyntaxKind.TypeQuery */);
+            node.exprName = exprName;
+            node.typeArguments = typeArguments && parenthesizerRules().parenthesizeTypeArguments(typeArguments);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypeQueryNode(node, exprName, typeArguments) {
+            return node.exprName !== exprName
+                || node.typeArguments !== typeArguments
+                ? update(createTypeQueryNode(exprName, typeArguments), node)
+                : node;
+        }
+        // @api
+        function createTypeLiteralNode(members) {
+            var node = createBaseNode(182 /* SyntaxKind.TypeLiteral */);
+            node.members = createNodeArray(members);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypeLiteralNode(node, members) {
+            return node.members !== members
+                ? update(createTypeLiteralNode(members), node)
+                : node;
+        }
+        // @api
+        function createArrayTypeNode(elementType) {
+            var node = createBaseNode(183 /* SyntaxKind.ArrayType */);
+            node.elementType = parenthesizerRules().parenthesizeNonArrayTypeOfPostfixType(elementType);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateArrayTypeNode(node, elementType) {
+            return node.elementType !== elementType
+                ? update(createArrayTypeNode(elementType), node)
+                : node;
+        }
+        // @api
+        function createTupleTypeNode(elements) {
+            var node = createBaseNode(184 /* SyntaxKind.TupleType */);
+            node.elements = createNodeArray(parenthesizerRules().parenthesizeElementTypesOfTupleType(elements));
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTupleTypeNode(node, elements) {
+            return node.elements !== elements
+                ? update(createTupleTypeNode(elements), node)
+                : node;
+        }
+        // @api
+        function createNamedTupleMember(dotDotDotToken, name, questionToken, type) {
+            var node = createBaseNode(197 /* SyntaxKind.NamedTupleMember */);
+            node.dotDotDotToken = dotDotDotToken;
+            node.name = name;
+            node.questionToken = questionToken;
+            node.type = type;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateNamedTupleMember(node, dotDotDotToken, name, questionToken, type) {
+            return node.dotDotDotToken !== dotDotDotToken
+                || node.name !== name
+                || node.questionToken !== questionToken
+                || node.type !== type
+                ? update(createNamedTupleMember(dotDotDotToken, name, questionToken, type), node)
+                : node;
+        }
+        // @api
+        function createOptionalTypeNode(type) {
+            var node = createBaseNode(185 /* SyntaxKind.OptionalType */);
+            node.type = parenthesizerRules().parenthesizeTypeOfOptionalType(type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateOptionalTypeNode(node, type) {
+            return node.type !== type
+                ? update(createOptionalTypeNode(type), node)
+                : node;
+        }
+        // @api
+        function createRestTypeNode(type) {
+            var node = createBaseNode(186 /* SyntaxKind.RestType */);
+            node.type = type;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateRestTypeNode(node, type) {
+            return node.type !== type
+                ? update(createRestTypeNode(type), node)
+                : node;
+        }
+        function createUnionOrIntersectionTypeNode(kind, types, parenthesize) {
+            var node = createBaseNode(kind);
+            node.types = factory.createNodeArray(parenthesize(types));
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        function updateUnionOrIntersectionTypeNode(node, types, parenthesize) {
+            return node.types !== types
+                ? update(createUnionOrIntersectionTypeNode(node.kind, types, parenthesize), node)
+                : node;
+        }
+        // @api
+        function createUnionTypeNode(types) {
+            return createUnionOrIntersectionTypeNode(187 /* SyntaxKind.UnionType */, types, parenthesizerRules().parenthesizeConstituentTypesOfUnionType);
+        }
+        // @api
+        function updateUnionTypeNode(node, types) {
+            return updateUnionOrIntersectionTypeNode(node, types, parenthesizerRules().parenthesizeConstituentTypesOfUnionType);
+        }
+        // @api
+        function createIntersectionTypeNode(types) {
+            return createUnionOrIntersectionTypeNode(188 /* SyntaxKind.IntersectionType */, types, parenthesizerRules().parenthesizeConstituentTypesOfIntersectionType);
+        }
+        // @api
+        function updateIntersectionTypeNode(node, types) {
+            return updateUnionOrIntersectionTypeNode(node, types, parenthesizerRules().parenthesizeConstituentTypesOfIntersectionType);
+        }
+        // @api
+        function createConditionalTypeNode(checkType, extendsType, trueType, falseType) {
+            var node = createBaseNode(189 /* SyntaxKind.ConditionalType */);
+            node.checkType = parenthesizerRules().parenthesizeCheckTypeOfConditionalType(checkType);
+            node.extendsType = parenthesizerRules().parenthesizeExtendsTypeOfConditionalType(extendsType);
+            node.trueType = trueType;
+            node.falseType = falseType;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateConditionalTypeNode(node, checkType, extendsType, trueType, falseType) {
+            return node.checkType !== checkType
+                || node.extendsType !== extendsType
+                || node.trueType !== trueType
+                || node.falseType !== falseType
+                ? update(createConditionalTypeNode(checkType, extendsType, trueType, falseType), node)
+                : node;
+        }
+        // @api
+        function createInferTypeNode(typeParameter) {
+            var node = createBaseNode(190 /* SyntaxKind.InferType */);
+            node.typeParameter = typeParameter;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateInferTypeNode(node, typeParameter) {
+            return node.typeParameter !== typeParameter
+                ? update(createInferTypeNode(typeParameter), node)
+                : node;
+        }
+        // @api
+        function createTemplateLiteralType(head, templateSpans) {
+            var node = createBaseNode(198 /* SyntaxKind.TemplateLiteralType */);
+            node.head = head;
+            node.templateSpans = createNodeArray(templateSpans);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTemplateLiteralType(node, head, templateSpans) {
+            return node.head !== head
+                || node.templateSpans !== templateSpans
+                ? update(createTemplateLiteralType(head, templateSpans), node)
+                : node;
+        }
+        function createImportTypeNode(argument, qualifierOrAssertions, typeArgumentsOrQualifier, isTypeOfOrTypeArguments, isTypeOf) {
+            var assertion = qualifierOrAssertions && qualifierOrAssertions.kind === 295 /* SyntaxKind.ImportTypeAssertionContainer */ ? qualifierOrAssertions : undefined;
+            var qualifier = qualifierOrAssertions && ts.isEntityName(qualifierOrAssertions) ? qualifierOrAssertions
+                : typeArgumentsOrQualifier && !ts.isArray(typeArgumentsOrQualifier) ? typeArgumentsOrQualifier : undefined;
+            var typeArguments = ts.isArray(typeArgumentsOrQualifier) ? typeArgumentsOrQualifier : ts.isArray(isTypeOfOrTypeArguments) ? isTypeOfOrTypeArguments : undefined;
+            isTypeOf = typeof isTypeOfOrTypeArguments === "boolean" ? isTypeOfOrTypeArguments : typeof isTypeOf === "boolean" ? isTypeOf : false;
+            var node = createBaseNode(200 /* SyntaxKind.ImportType */);
+            node.argument = argument;
+            node.assertions = assertion;
+            node.qualifier = qualifier;
+            node.typeArguments = typeArguments && parenthesizerRules().parenthesizeTypeArguments(typeArguments);
+            node.isTypeOf = isTypeOf;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        function updateImportTypeNode(node, argument, qualifierOrAssertions, typeArgumentsOrQualifier, isTypeOfOrTypeArguments, isTypeOf) {
+            var assertion = qualifierOrAssertions && qualifierOrAssertions.kind === 295 /* SyntaxKind.ImportTypeAssertionContainer */ ? qualifierOrAssertions : undefined;
+            var qualifier = qualifierOrAssertions && ts.isEntityName(qualifierOrAssertions) ? qualifierOrAssertions
+                : typeArgumentsOrQualifier && !ts.isArray(typeArgumentsOrQualifier) ? typeArgumentsOrQualifier : undefined;
+            var typeArguments = ts.isArray(typeArgumentsOrQualifier) ? typeArgumentsOrQualifier : ts.isArray(isTypeOfOrTypeArguments) ? isTypeOfOrTypeArguments : undefined;
+            isTypeOf = typeof isTypeOfOrTypeArguments === "boolean" ? isTypeOfOrTypeArguments : typeof isTypeOf === "boolean" ? isTypeOf : node.isTypeOf;
+            return node.argument !== argument
+                || node.assertions !== assertion
+                || node.qualifier !== qualifier
+                || node.typeArguments !== typeArguments
+                || node.isTypeOf !== isTypeOf
+                ? update(createImportTypeNode(argument, assertion, qualifier, typeArguments, isTypeOf), node)
+                : node;
+        }
+        // @api
+        function createParenthesizedType(type) {
+            var node = createBaseNode(191 /* SyntaxKind.ParenthesizedType */);
+            node.type = type;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateParenthesizedType(node, type) {
+            return node.type !== type
+                ? update(createParenthesizedType(type), node)
+                : node;
+        }
+        // @api
+        function createThisTypeNode() {
+            var node = createBaseNode(192 /* SyntaxKind.ThisType */);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function createTypeOperatorNode(operator, type) {
+            var node = createBaseNode(193 /* SyntaxKind.TypeOperator */);
+            node.operator = operator;
+            node.type = operator === 145 /* SyntaxKind.ReadonlyKeyword */ ?
+                parenthesizerRules().parenthesizeOperandOfReadonlyTypeOperator(type) :
+                parenthesizerRules().parenthesizeOperandOfTypeOperator(type);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypeOperatorNode(node, type) {
+            return node.type !== type
+                ? update(createTypeOperatorNode(node.operator, type), node)
+                : node;
+        }
+        // @api
+        function createIndexedAccessTypeNode(objectType, indexType) {
+            var node = createBaseNode(194 /* SyntaxKind.IndexedAccessType */);
+            node.objectType = parenthesizerRules().parenthesizeNonArrayTypeOfPostfixType(objectType);
+            node.indexType = indexType;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateIndexedAccessTypeNode(node, objectType, indexType) {
+            return node.objectType !== objectType
+                || node.indexType !== indexType
+                ? update(createIndexedAccessTypeNode(objectType, indexType), node)
+                : node;
+        }
+        // @api
+        function createMappedTypeNode(readonlyToken, typeParameter, nameType, questionToken, type, members) {
+            var node = createBaseNode(195 /* SyntaxKind.MappedType */);
+            node.readonlyToken = readonlyToken;
+            node.typeParameter = typeParameter;
+            node.nameType = nameType;
+            node.questionToken = questionToken;
+            node.type = type;
+            node.members = members && createNodeArray(members);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateMappedTypeNode(node, readonlyToken, typeParameter, nameType, questionToken, type, members) {
+            return node.readonlyToken !== readonlyToken
+                || node.typeParameter !== typeParameter
+                || node.nameType !== nameType
+                || node.questionToken !== questionToken
+                || node.type !== type
+                || node.members !== members
+                ? update(createMappedTypeNode(readonlyToken, typeParameter, nameType, questionToken, type, members), node)
+                : node;
+        }
+        // @api
+        function createLiteralTypeNode(literal) {
+            var node = createBaseNode(196 /* SyntaxKind.LiteralType */);
+            node.literal = literal;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateLiteralTypeNode(node, literal) {
+            return node.literal !== literal
+                ? update(createLiteralTypeNode(literal), node)
+                : node;
+        }
+        //
+        // Binding Patterns
+        //
+        // @api
+        function createObjectBindingPattern(elements) {
+            var node = createBaseNode(201 /* SyntaxKind.ObjectBindingPattern */);
+            node.elements = createNodeArray(elements);
+            node.transformFlags |=
+                propagateChildrenFlags(node.elements) |
+                    1024 /* TransformFlags.ContainsES2015 */ |
+                    262144 /* TransformFlags.ContainsBindingPattern */;
+            if (node.transformFlags & 16384 /* TransformFlags.ContainsRestOrSpread */) {
+                node.transformFlags |=
+                    128 /* TransformFlags.ContainsES2018 */ |
+                        32768 /* TransformFlags.ContainsObjectRestOrSpread */;
+            }
+            return node;
+        }
+        // @api
+        function updateObjectBindingPattern(node, elements) {
+            return node.elements !== elements
+                ? update(createObjectBindingPattern(elements), node)
+                : node;
+        }
+        // @api
+        function createArrayBindingPattern(elements) {
+            var node = createBaseNode(202 /* SyntaxKind.ArrayBindingPattern */);
+            node.elements = createNodeArray(elements);
+            node.transformFlags |=
+                propagateChildrenFlags(node.elements) |
+                    1024 /* TransformFlags.ContainsES2015 */ |
+                    262144 /* TransformFlags.ContainsBindingPattern */;
+            return node;
+        }
+        // @api
+        function updateArrayBindingPattern(node, elements) {
+            return node.elements !== elements
+                ? update(createArrayBindingPattern(elements), node)
+                : node;
+        }
+        // @api
+        function createBindingElement(dotDotDotToken, propertyName, name, initializer) {
+            var node = createBaseBindingLikeDeclaration(203 /* SyntaxKind.BindingElement */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, name, initializer && parenthesizerRules().parenthesizeExpressionForDisallowedComma(initializer));
+            node.propertyName = asName(propertyName);
+            node.dotDotDotToken = dotDotDotToken;
+            node.transformFlags |=
+                propagateChildFlags(node.dotDotDotToken) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            if (node.propertyName) {
+                node.transformFlags |= ts.isIdentifier(node.propertyName) ?
+                    propagateIdentifierNameFlags(node.propertyName) :
+                    propagateChildFlags(node.propertyName);
+            }
+            if (dotDotDotToken)
+                node.transformFlags |= 16384 /* TransformFlags.ContainsRestOrSpread */;
+            return node;
+        }
+        // @api
+        function updateBindingElement(node, dotDotDotToken, propertyName, name, initializer) {
+            return node.propertyName !== propertyName
+                || node.dotDotDotToken !== dotDotDotToken
+                || node.name !== name
+                || node.initializer !== initializer
+                ? update(createBindingElement(dotDotDotToken, propertyName, name, initializer), node)
+                : node;
+        }
+        //
+        // Expression
+        //
+        function createBaseExpression(kind) {
+            var node = createBaseNode(kind);
+            // the following properties are commonly set by the checker/binder
+            return node;
+        }
+        // @api
+        function createArrayLiteralExpression(elements, multiLine) {
+            var node = createBaseExpression(204 /* SyntaxKind.ArrayLiteralExpression */);
+            // Ensure we add a trailing comma for something like `[NumericLiteral(1), NumericLiteral(2), OmittedExpresion]` so that
+            // we end up with `[1, 2, ,]` instead of `[1, 2, ]` otherwise the `OmittedExpression` will just end up being treated like
+            // a trailing comma.
+            var lastElement = elements && ts.lastOrUndefined(elements);
+            var elementsArray = createNodeArray(elements, lastElement && ts.isOmittedExpression(lastElement) ? true : undefined);
+            node.elements = parenthesizerRules().parenthesizeExpressionsOfCommaDelimitedList(elementsArray);
+            node.multiLine = multiLine;
+            node.transformFlags |= propagateChildrenFlags(node.elements);
+            return node;
+        }
+        // @api
+        function updateArrayLiteralExpression(node, elements) {
+            return node.elements !== elements
+                ? update(createArrayLiteralExpression(elements, node.multiLine), node)
+                : node;
+        }
+        // @api
+        function createObjectLiteralExpression(properties, multiLine) {
+            var node = createBaseExpression(205 /* SyntaxKind.ObjectLiteralExpression */);
+            node.properties = createNodeArray(properties);
+            node.multiLine = multiLine;
+            node.transformFlags |= propagateChildrenFlags(node.properties);
+            return node;
+        }
+        // @api
+        function updateObjectLiteralExpression(node, properties) {
+            return node.properties !== properties
+                ? update(createObjectLiteralExpression(properties, node.multiLine), node)
+                : node;
+        }
+        // @api
+        function createPropertyAccessExpression(expression, name) {
+            var node = createBaseExpression(206 /* SyntaxKind.PropertyAccessExpression */);
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.name = asName(name);
+            node.transformFlags =
+                propagateChildFlags(node.expression) |
+                    (ts.isIdentifier(node.name) ?
+                        propagateIdentifierNameFlags(node.name) :
+                        propagateChildFlags(node.name));
+            if (ts.isSuperKeyword(expression)) {
+                // super method calls require a lexical 'this'
+                // super method calls require 'super' hoisting in ES2017 and ES2018 async functions and async generators
+                node.transformFlags |=
+                    256 /* TransformFlags.ContainsES2017 */ |
+                        128 /* TransformFlags.ContainsES2018 */;
+            }
+            return node;
+        }
+        // @api
+        function updatePropertyAccessExpression(node, expression, name) {
+            if (ts.isPropertyAccessChain(node)) {
+                return updatePropertyAccessChain(node, expression, node.questionDotToken, ts.cast(name, ts.isIdentifier));
+            }
+            return node.expression !== expression
+                || node.name !== name
+                ? update(createPropertyAccessExpression(expression, name), node)
+                : node;
+        }
+        // @api
+        function createPropertyAccessChain(expression, questionDotToken, name) {
+            var node = createBaseExpression(206 /* SyntaxKind.PropertyAccessExpression */);
+            node.flags |= 32 /* NodeFlags.OptionalChain */;
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.questionDotToken = questionDotToken;
+            node.name = asName(name);
+            node.transformFlags |=
+                32 /* TransformFlags.ContainsES2020 */ |
+                    propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.questionDotToken) |
+                    (ts.isIdentifier(node.name) ?
+                        propagateIdentifierNameFlags(node.name) :
+                        propagateChildFlags(node.name));
+            return node;
+        }
+        // @api
+        function updatePropertyAccessChain(node, expression, questionDotToken, name) {
+            ts.Debug.assert(!!(node.flags & 32 /* NodeFlags.OptionalChain */), "Cannot update a PropertyAccessExpression using updatePropertyAccessChain. Use updatePropertyAccess instead.");
+            // Because we are updating an existing PropertyAccessChain we want to inherit its emitFlags
+            // instead of using the default from createPropertyAccess
+            return node.expression !== expression
+                || node.questionDotToken !== questionDotToken
+                || node.name !== name
+                ? update(createPropertyAccessChain(expression, questionDotToken, name), node)
+                : node;
+        }
+        // @api
+        function createElementAccessExpression(expression, index) {
+            var node = createBaseExpression(207 /* SyntaxKind.ElementAccessExpression */);
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.argumentExpression = asExpression(index);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.argumentExpression);
+            if (ts.isSuperKeyword(expression)) {
+                // super method calls require a lexical 'this'
+                // super method calls require 'super' hoisting in ES2017 and ES2018 async functions and async generators
+                node.transformFlags |=
+                    256 /* TransformFlags.ContainsES2017 */ |
+                        128 /* TransformFlags.ContainsES2018 */;
+            }
+            return node;
+        }
+        // @api
+        function updateElementAccessExpression(node, expression, argumentExpression) {
+            if (ts.isElementAccessChain(node)) {
+                return updateElementAccessChain(node, expression, node.questionDotToken, argumentExpression);
+            }
+            return node.expression !== expression
+                || node.argumentExpression !== argumentExpression
+                ? update(createElementAccessExpression(expression, argumentExpression), node)
+                : node;
+        }
+        // @api
+        function createElementAccessChain(expression, questionDotToken, index) {
+            var node = createBaseExpression(207 /* SyntaxKind.ElementAccessExpression */);
+            node.flags |= 32 /* NodeFlags.OptionalChain */;
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.questionDotToken = questionDotToken;
+            node.argumentExpression = asExpression(index);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.questionDotToken) |
+                    propagateChildFlags(node.argumentExpression) |
+                    32 /* TransformFlags.ContainsES2020 */;
+            return node;
+        }
+        // @api
+        function updateElementAccessChain(node, expression, questionDotToken, argumentExpression) {
+            ts.Debug.assert(!!(node.flags & 32 /* NodeFlags.OptionalChain */), "Cannot update a ElementAccessExpression using updateElementAccessChain. Use updateElementAccess instead.");
+            // Because we are updating an existing ElementAccessChain we want to inherit its emitFlags
+            // instead of using the default from createElementAccess
+            return node.expression !== expression
+                || node.questionDotToken !== questionDotToken
+                || node.argumentExpression !== argumentExpression
+                ? update(createElementAccessChain(expression, questionDotToken, argumentExpression), node)
+                : node;
+        }
+        // @api
+        function createCallExpression(expression, typeArguments, argumentsArray) {
+            var node = createBaseExpression(208 /* SyntaxKind.CallExpression */);
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.typeArguments = asNodeArray(typeArguments);
+            node.arguments = parenthesizerRules().parenthesizeExpressionsOfCommaDelimitedList(createNodeArray(argumentsArray));
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    propagateChildrenFlags(node.arguments);
+            if (node.typeArguments) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            if (ts.isImportKeyword(node.expression)) {
+                node.transformFlags |= 4194304 /* TransformFlags.ContainsDynamicImport */;
+            }
+            else if (ts.isSuperProperty(node.expression)) {
+                node.transformFlags |= 8192 /* TransformFlags.ContainsLexicalThis */;
+            }
+            return node;
+        }
+        // @api
+        function updateCallExpression(node, expression, typeArguments, argumentsArray) {
+            if (ts.isCallChain(node)) {
+                return updateCallChain(node, expression, node.questionDotToken, typeArguments, argumentsArray);
+            }
+            return node.expression !== expression
+                || node.typeArguments !== typeArguments
+                || node.arguments !== argumentsArray
+                ? update(createCallExpression(expression, typeArguments, argumentsArray), node)
+                : node;
+        }
+        // @api
+        function createCallChain(expression, questionDotToken, typeArguments, argumentsArray) {
+            var node = createBaseExpression(208 /* SyntaxKind.CallExpression */);
+            node.flags |= 32 /* NodeFlags.OptionalChain */;
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.questionDotToken = questionDotToken;
+            node.typeArguments = asNodeArray(typeArguments);
+            node.arguments = parenthesizerRules().parenthesizeExpressionsOfCommaDelimitedList(createNodeArray(argumentsArray));
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.questionDotToken) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    propagateChildrenFlags(node.arguments) |
+                    32 /* TransformFlags.ContainsES2020 */;
+            if (node.typeArguments) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            if (ts.isSuperProperty(node.expression)) {
+                node.transformFlags |= 8192 /* TransformFlags.ContainsLexicalThis */;
+            }
+            return node;
+        }
+        // @api
+        function updateCallChain(node, expression, questionDotToken, typeArguments, argumentsArray) {
+            ts.Debug.assert(!!(node.flags & 32 /* NodeFlags.OptionalChain */), "Cannot update a CallExpression using updateCallChain. Use updateCall instead.");
+            return node.expression !== expression
+                || node.questionDotToken !== questionDotToken
+                || node.typeArguments !== typeArguments
+                || node.arguments !== argumentsArray
+                ? update(createCallChain(expression, questionDotToken, typeArguments, argumentsArray), node)
+                : node;
+        }
+        // @api
+        function createNewExpression(expression, typeArguments, argumentsArray) {
+            var node = createBaseExpression(209 /* SyntaxKind.NewExpression */);
+            node.expression = parenthesizerRules().parenthesizeExpressionOfNew(expression);
+            node.typeArguments = asNodeArray(typeArguments);
+            node.arguments = argumentsArray ? parenthesizerRules().parenthesizeExpressionsOfCommaDelimitedList(argumentsArray) : undefined;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    propagateChildrenFlags(node.arguments) |
+                    32 /* TransformFlags.ContainsES2020 */;
+            if (node.typeArguments) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            return node;
+        }
+        // @api
+        function updateNewExpression(node, expression, typeArguments, argumentsArray) {
+            return node.expression !== expression
+                || node.typeArguments !== typeArguments
+                || node.arguments !== argumentsArray
+                ? update(createNewExpression(expression, typeArguments, argumentsArray), node)
+                : node;
+        }
+        // @api
+        function createTaggedTemplateExpression(tag, typeArguments, template) {
+            var node = createBaseExpression(210 /* SyntaxKind.TaggedTemplateExpression */);
+            node.tag = parenthesizerRules().parenthesizeLeftSideOfAccess(tag);
+            node.typeArguments = asNodeArray(typeArguments);
+            node.template = template;
+            node.transformFlags |=
+                propagateChildFlags(node.tag) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    propagateChildFlags(node.template) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            if (node.typeArguments) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            if (ts.hasInvalidEscape(node.template)) {
+                node.transformFlags |= 128 /* TransformFlags.ContainsES2018 */;
+            }
+            return node;
+        }
+        // @api
+        function updateTaggedTemplateExpression(node, tag, typeArguments, template) {
+            return node.tag !== tag
+                || node.typeArguments !== typeArguments
+                || node.template !== template
+                ? update(createTaggedTemplateExpression(tag, typeArguments, template), node)
+                : node;
+        }
+        // @api
+        function createTypeAssertion(type, expression) {
+            var node = createBaseExpression(211 /* SyntaxKind.TypeAssertionExpression */);
+            node.expression = parenthesizerRules().parenthesizeOperandOfPrefixUnary(expression);
+            node.type = type;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.type) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypeAssertion(node, type, expression) {
+            return node.type !== type
+                || node.expression !== expression
+                ? update(createTypeAssertion(type, expression), node)
+                : node;
+        }
+        // @api
+        function createParenthesizedExpression(expression) {
+            var node = createBaseExpression(212 /* SyntaxKind.ParenthesizedExpression */);
+            node.expression = expression;
+            node.transformFlags = propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateParenthesizedExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createParenthesizedExpression(expression), node)
+                : node;
+        }
+        // @api
+        function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+            var node = createBaseFunctionLikeDeclaration(213 /* SyntaxKind.FunctionExpression */, 
+            /*decorators*/ undefined, modifiers, name, typeParameters, parameters, type, body);
+            node.asteriskToken = asteriskToken;
+            node.transformFlags |= propagateChildFlags(node.asteriskToken);
+            if (node.typeParameters) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            if (ts.modifiersToFlags(node.modifiers) & 256 /* ModifierFlags.Async */) {
+                if (node.asteriskToken) {
+                    node.transformFlags |= 128 /* TransformFlags.ContainsES2018 */;
+                }
+                else {
+                    node.transformFlags |= 256 /* TransformFlags.ContainsES2017 */;
+                }
+            }
+            else if (node.asteriskToken) {
+                node.transformFlags |= 2048 /* TransformFlags.ContainsGenerator */;
+            }
+            return node;
+        }
+        // @api
+        function updateFunctionExpression(node, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+            return node.name !== name
+                || node.modifiers !== modifiers
+                || node.asteriskToken !== asteriskToken
+                || node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
+                : node;
+        }
+        // @api
+        function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body) {
+            var node = createBaseFunctionLikeDeclaration(214 /* SyntaxKind.ArrowFunction */, 
+            /*decorators*/ undefined, modifiers, 
+            /*name*/ undefined, typeParameters, parameters, type, parenthesizerRules().parenthesizeConciseBodyOfArrowFunction(body));
+            node.equalsGreaterThanToken = equalsGreaterThanToken !== null && equalsGreaterThanToken !== void 0 ? equalsGreaterThanToken : createToken(38 /* SyntaxKind.EqualsGreaterThanToken */);
+            node.transformFlags |=
+                propagateChildFlags(node.equalsGreaterThanToken) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            if (ts.modifiersToFlags(node.modifiers) & 256 /* ModifierFlags.Async */) {
+                node.transformFlags |= 256 /* TransformFlags.ContainsES2017 */ | 8192 /* TransformFlags.ContainsLexicalThis */;
+            }
+            return node;
+        }
+        // @api
+        function updateArrowFunction(node, modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body) {
+            return node.modifiers !== modifiers
+                || node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                || node.equalsGreaterThanToken !== equalsGreaterThanToken
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body), node)
+                : node;
+        }
+        // @api
+        function createDeleteExpression(expression) {
+            var node = createBaseExpression(215 /* SyntaxKind.DeleteExpression */);
+            node.expression = parenthesizerRules().parenthesizeOperandOfPrefixUnary(expression);
+            node.transformFlags |= propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateDeleteExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createDeleteExpression(expression), node)
+                : node;
+        }
+        // @api
+        function createTypeOfExpression(expression) {
+            var node = createBaseExpression(216 /* SyntaxKind.TypeOfExpression */);
+            node.expression = parenthesizerRules().parenthesizeOperandOfPrefixUnary(expression);
+            node.transformFlags |= propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateTypeOfExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createTypeOfExpression(expression), node)
+                : node;
+        }
+        // @api
+        function createVoidExpression(expression) {
+            var node = createBaseExpression(217 /* SyntaxKind.VoidExpression */);
+            node.expression = parenthesizerRules().parenthesizeOperandOfPrefixUnary(expression);
+            node.transformFlags |= propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateVoidExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createVoidExpression(expression), node)
+                : node;
+        }
+        // @api
+        function createAwaitExpression(expression) {
+            var node = createBaseExpression(218 /* SyntaxKind.AwaitExpression */);
+            node.expression = parenthesizerRules().parenthesizeOperandOfPrefixUnary(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    256 /* TransformFlags.ContainsES2017 */ |
+                    128 /* TransformFlags.ContainsES2018 */ |
+                    1048576 /* TransformFlags.ContainsAwait */;
+            return node;
+        }
+        // @api
+        function updateAwaitExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createAwaitExpression(expression), node)
+                : node;
+        }
+        // @api
+        function createPrefixUnaryExpression(operator, operand) {
+            var node = createBaseExpression(219 /* SyntaxKind.PrefixUnaryExpression */);
+            node.operator = operator;
+            node.operand = parenthesizerRules().parenthesizeOperandOfPrefixUnary(operand);
+            node.transformFlags |= propagateChildFlags(node.operand);
+            // Only set this flag for non-generated identifiers and non-"local" names. See the
+            // comment in `visitPreOrPostfixUnaryExpression` in module.ts
+            if ((operator === 45 /* SyntaxKind.PlusPlusToken */ || operator === 46 /* SyntaxKind.MinusMinusToken */) &&
+                ts.isIdentifier(node.operand) &&
+                !ts.isGeneratedIdentifier(node.operand) &&
+                !ts.isLocalName(node.operand)) {
+                node.transformFlags |= 67108864 /* TransformFlags.ContainsUpdateExpressionForIdentifier */;
+            }
+            return node;
+        }
+        // @api
+        function updatePrefixUnaryExpression(node, operand) {
+            return node.operand !== operand
+                ? update(createPrefixUnaryExpression(node.operator, operand), node)
+                : node;
+        }
+        // @api
+        function createPostfixUnaryExpression(operand, operator) {
+            var node = createBaseExpression(220 /* SyntaxKind.PostfixUnaryExpression */);
+            node.operator = operator;
+            node.operand = parenthesizerRules().parenthesizeOperandOfPostfixUnary(operand);
+            node.transformFlags |= propagateChildFlags(node.operand);
+            // Only set this flag for non-generated identifiers and non-"local" names. See the
+            // comment in `visitPreOrPostfixUnaryExpression` in module.ts
+            if (ts.isIdentifier(node.operand) &&
+                !ts.isGeneratedIdentifier(node.operand) &&
+                !ts.isLocalName(node.operand)) {
+                node.transformFlags |= 67108864 /* TransformFlags.ContainsUpdateExpressionForIdentifier */;
+            }
+            return node;
+        }
+        // @api
+        function updatePostfixUnaryExpression(node, operand) {
+            return node.operand !== operand
+                ? update(createPostfixUnaryExpression(operand, node.operator), node)
+                : node;
+        }
+        // @api
+        function createBinaryExpression(left, operator, right) {
+            var node = createBaseExpression(221 /* SyntaxKind.BinaryExpression */);
+            var operatorToken = asToken(operator);
+            var operatorKind = operatorToken.kind;
+            node.left = parenthesizerRules().parenthesizeLeftSideOfBinary(operatorKind, left);
+            node.operatorToken = operatorToken;
+            node.right = parenthesizerRules().parenthesizeRightSideOfBinary(operatorKind, node.left, right);
+            node.transformFlags |=
+                propagateChildFlags(node.left) |
+                    propagateChildFlags(node.operatorToken) |
+                    propagateChildFlags(node.right);
+            if (operatorKind === 60 /* SyntaxKind.QuestionQuestionToken */) {
+                node.transformFlags |= 32 /* TransformFlags.ContainsES2020 */;
+            }
+            else if (operatorKind === 63 /* SyntaxKind.EqualsToken */) {
+                if (ts.isObjectLiteralExpression(node.left)) {
+                    node.transformFlags |=
+                        1024 /* TransformFlags.ContainsES2015 */ |
+                            128 /* TransformFlags.ContainsES2018 */ |
+                            4096 /* TransformFlags.ContainsDestructuringAssignment */ |
+                            propagateAssignmentPatternFlags(node.left);
+                }
+                else if (ts.isArrayLiteralExpression(node.left)) {
+                    node.transformFlags |=
+                        1024 /* TransformFlags.ContainsES2015 */ |
+                            4096 /* TransformFlags.ContainsDestructuringAssignment */ |
+                            propagateAssignmentPatternFlags(node.left);
+                }
+            }
+            else if (operatorKind === 42 /* SyntaxKind.AsteriskAsteriskToken */ || operatorKind === 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */) {
+                node.transformFlags |= 512 /* TransformFlags.ContainsES2016 */;
+            }
+            else if (ts.isLogicalOrCoalescingAssignmentOperator(operatorKind)) {
+                node.transformFlags |= 16 /* TransformFlags.ContainsES2021 */;
+            }
+            return node;
+        }
+        function propagateAssignmentPatternFlags(node) {
+            if (node.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */)
+                return 32768 /* TransformFlags.ContainsObjectRestOrSpread */;
+            if (node.transformFlags & 128 /* TransformFlags.ContainsES2018 */) {
+                // check for nested spread assignments, otherwise '{ x: { a, ...b } = foo } = c'
+                // will not be correctly interpreted by the ES2018 transformer
+                for (var _i = 0, _a = ts.getElementsOfBindingOrAssignmentPattern(node); _i < _a.length; _i++) {
+                    var element = _a[_i];
+                    var target = ts.getTargetOfBindingOrAssignmentElement(element);
+                    if (target && ts.isAssignmentPattern(target)) {
+                        if (target.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) {
+                            return 32768 /* TransformFlags.ContainsObjectRestOrSpread */;
+                        }
+                        if (target.transformFlags & 128 /* TransformFlags.ContainsES2018 */) {
+                            var flags_1 = propagateAssignmentPatternFlags(target);
+                            if (flags_1)
+                                return flags_1;
+                        }
+                    }
+                }
+            }
+            return 0 /* TransformFlags.None */;
+        }
+        // @api
+        function updateBinaryExpression(node, left, operator, right) {
+            return node.left !== left
+                || node.operatorToken !== operator
+                || node.right !== right
+                ? update(createBinaryExpression(left, operator, right), node)
+                : node;
+        }
+        // @api
+        function createConditionalExpression(condition, questionToken, whenTrue, colonToken, whenFalse) {
+            var node = createBaseExpression(222 /* SyntaxKind.ConditionalExpression */);
+            node.condition = parenthesizerRules().parenthesizeConditionOfConditionalExpression(condition);
+            node.questionToken = questionToken !== null && questionToken !== void 0 ? questionToken : createToken(57 /* SyntaxKind.QuestionToken */);
+            node.whenTrue = parenthesizerRules().parenthesizeBranchOfConditionalExpression(whenTrue);
+            node.colonToken = colonToken !== null && colonToken !== void 0 ? colonToken : createToken(58 /* SyntaxKind.ColonToken */);
+            node.whenFalse = parenthesizerRules().parenthesizeBranchOfConditionalExpression(whenFalse);
+            node.transformFlags |=
+                propagateChildFlags(node.condition) |
+                    propagateChildFlags(node.questionToken) |
+                    propagateChildFlags(node.whenTrue) |
+                    propagateChildFlags(node.colonToken) |
+                    propagateChildFlags(node.whenFalse);
+            return node;
+        }
+        // @api
+        function updateConditionalExpression(node, condition, questionToken, whenTrue, colonToken, whenFalse) {
+            return node.condition !== condition
+                || node.questionToken !== questionToken
+                || node.whenTrue !== whenTrue
+                || node.colonToken !== colonToken
+                || node.whenFalse !== whenFalse
+                ? update(createConditionalExpression(condition, questionToken, whenTrue, colonToken, whenFalse), node)
+                : node;
+        }
+        // @api
+        function createTemplateExpression(head, templateSpans) {
+            var node = createBaseExpression(223 /* SyntaxKind.TemplateExpression */);
+            node.head = head;
+            node.templateSpans = createNodeArray(templateSpans);
+            node.transformFlags |=
+                propagateChildFlags(node.head) |
+                    propagateChildrenFlags(node.templateSpans) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function updateTemplateExpression(node, head, templateSpans) {
+            return node.head !== head
+                || node.templateSpans !== templateSpans
+                ? update(createTemplateExpression(head, templateSpans), node)
+                : node;
+        }
+        function createTemplateLiteralLikeNodeChecked(kind, text, rawText, templateFlags) {
+            if (templateFlags === void 0) { templateFlags = 0 /* TokenFlags.None */; }
+            ts.Debug.assert(!(templateFlags & ~2048 /* TokenFlags.TemplateLiteralLikeFlags */), "Unsupported template flags.");
+            // NOTE: without the assignment to `undefined`, we don't narrow the initial type of `cooked`.
+            // eslint-disable-next-line no-undef-init
+            var cooked = undefined;
+            if (rawText !== undefined && rawText !== text) {
+                cooked = getCookedText(kind, rawText);
+                if (typeof cooked === "object") {
+                    return ts.Debug.fail("Invalid raw text");
+                }
+            }
+            if (text === undefined) {
+                if (cooked === undefined) {
+                    return ts.Debug.fail("Arguments 'text' and 'rawText' may not both be undefined.");
+                }
+                text = cooked;
+            }
+            else if (cooked !== undefined) {
+                ts.Debug.assert(text === cooked, "Expected argument 'text' to be the normalized (i.e. 'cooked') version of argument 'rawText'.");
+            }
+            return createTemplateLiteralLikeNode(kind, text, rawText, templateFlags);
+        }
+        // @api
+        function createTemplateLiteralLikeNode(kind, text, rawText, templateFlags) {
+            var node = createBaseToken(kind);
+            node.text = text;
+            node.rawText = rawText;
+            node.templateFlags = templateFlags & 2048 /* TokenFlags.TemplateLiteralLikeFlags */;
+            node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            if (node.templateFlags) {
+                node.transformFlags |= 128 /* TransformFlags.ContainsES2018 */;
+            }
+            return node;
+        }
+        // @api
+        function createTemplateHead(text, rawText, templateFlags) {
+            return createTemplateLiteralLikeNodeChecked(15 /* SyntaxKind.TemplateHead */, text, rawText, templateFlags);
+        }
+        // @api
+        function createTemplateMiddle(text, rawText, templateFlags) {
+            return createTemplateLiteralLikeNodeChecked(16 /* SyntaxKind.TemplateMiddle */, text, rawText, templateFlags);
+        }
+        // @api
+        function createTemplateTail(text, rawText, templateFlags) {
+            return createTemplateLiteralLikeNodeChecked(17 /* SyntaxKind.TemplateTail */, text, rawText, templateFlags);
+        }
+        // @api
+        function createNoSubstitutionTemplateLiteral(text, rawText, templateFlags) {
+            return createTemplateLiteralLikeNodeChecked(14 /* SyntaxKind.NoSubstitutionTemplateLiteral */, text, rawText, templateFlags);
+        }
+        // @api
+        function createYieldExpression(asteriskToken, expression) {
+            ts.Debug.assert(!asteriskToken || !!expression, "A `YieldExpression` with an asteriskToken must have an expression.");
+            var node = createBaseExpression(224 /* SyntaxKind.YieldExpression */);
+            node.expression = expression && parenthesizerRules().parenthesizeExpressionForDisallowedComma(expression);
+            node.asteriskToken = asteriskToken;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.asteriskToken) |
+                    1024 /* TransformFlags.ContainsES2015 */ |
+                    128 /* TransformFlags.ContainsES2018 */ |
+                    524288 /* TransformFlags.ContainsYield */;
+            return node;
+        }
+        // @api
+        function updateYieldExpression(node, asteriskToken, expression) {
+            return node.expression !== expression
+                || node.asteriskToken !== asteriskToken
+                ? update(createYieldExpression(asteriskToken, expression), node)
+                : node;
+        }
+        // @api
+        function createSpreadElement(expression) {
+            var node = createBaseExpression(225 /* SyntaxKind.SpreadElement */);
+            node.expression = parenthesizerRules().parenthesizeExpressionForDisallowedComma(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    1024 /* TransformFlags.ContainsES2015 */ |
+                    16384 /* TransformFlags.ContainsRestOrSpread */;
+            return node;
+        }
+        // @api
+        function updateSpreadElement(node, expression) {
+            return node.expression !== expression
+                ? update(createSpreadElement(expression), node)
+                : node;
+        }
+        // @api
+        function createClassExpression(decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            var node = createBaseClassLikeDeclaration(226 /* SyntaxKind.ClassExpression */, decorators, modifiers, name, typeParameters, heritageClauses, members);
+            node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function updateClassExpression(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.typeParameters !== typeParameters
+                || node.heritageClauses !== heritageClauses
+                || node.members !== members
+                ? update(createClassExpression(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
+                : node;
+        }
+        // @api
+        function createOmittedExpression() {
+            return createBaseExpression(227 /* SyntaxKind.OmittedExpression */);
+        }
+        // @api
+        function createExpressionWithTypeArguments(expression, typeArguments) {
+            var node = createBaseNode(228 /* SyntaxKind.ExpressionWithTypeArguments */);
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.typeArguments = typeArguments && parenthesizerRules().parenthesizeTypeArguments(typeArguments);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function updateExpressionWithTypeArguments(node, expression, typeArguments) {
+            return node.expression !== expression
+                || node.typeArguments !== typeArguments
+                ? update(createExpressionWithTypeArguments(expression, typeArguments), node)
+                : node;
+        }
+        // @api
+        function createAsExpression(expression, type) {
+            var node = createBaseExpression(229 /* SyntaxKind.AsExpression */);
+            node.expression = expression;
+            node.type = type;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.type) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateAsExpression(node, expression, type) {
+            return node.expression !== expression
+                || node.type !== type
+                ? update(createAsExpression(expression, type), node)
+                : node;
+        }
+        // @api
+        function createNonNullExpression(expression) {
+            var node = createBaseExpression(230 /* SyntaxKind.NonNullExpression */);
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateNonNullExpression(node, expression) {
+            if (ts.isNonNullChain(node)) {
+                return updateNonNullChain(node, expression);
+            }
+            return node.expression !== expression
+                ? update(createNonNullExpression(expression), node)
+                : node;
+        }
+        // @api
+        function createNonNullChain(expression) {
+            var node = createBaseExpression(230 /* SyntaxKind.NonNullExpression */);
+            node.flags |= 32 /* NodeFlags.OptionalChain */;
+            node.expression = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateNonNullChain(node, expression) {
+            ts.Debug.assert(!!(node.flags & 32 /* NodeFlags.OptionalChain */), "Cannot update a NonNullExpression using updateNonNullChain. Use updateNonNullExpression instead.");
+            return node.expression !== expression
+                ? update(createNonNullChain(expression), node)
+                : node;
+        }
+        // @api
+        function createMetaProperty(keywordToken, name) {
+            var node = createBaseExpression(231 /* SyntaxKind.MetaProperty */);
+            node.keywordToken = keywordToken;
+            node.name = name;
+            node.transformFlags |= propagateChildFlags(node.name);
+            switch (keywordToken) {
+                case 103 /* SyntaxKind.NewKeyword */:
+                    node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+                    break;
+                case 100 /* SyntaxKind.ImportKeyword */:
+                    node.transformFlags |= 4 /* TransformFlags.ContainsESNext */;
+                    break;
+                default:
+                    return ts.Debug.assertNever(keywordToken);
+            }
+            return node;
+        }
+        // @api
+        function updateMetaProperty(node, name) {
+            return node.name !== name
+                ? update(createMetaProperty(node.keywordToken, name), node)
+                : node;
+        }
+        //
+        // Misc
+        //
+        // @api
+        function createTemplateSpan(expression, literal) {
+            var node = createBaseNode(233 /* SyntaxKind.TemplateSpan */);
+            node.expression = expression;
+            node.literal = literal;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.literal) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        // @api
+        function updateTemplateSpan(node, expression, literal) {
+            return node.expression !== expression
+                || node.literal !== literal
+                ? update(createTemplateSpan(expression, literal), node)
+                : node;
+        }
+        // @api
+        function createSemicolonClassElement() {
+            var node = createBaseNode(234 /* SyntaxKind.SemicolonClassElement */);
+            node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        //
+        // Element
+        //
+        // @api
+        function createBlock(statements, multiLine) {
+            var node = createBaseNode(235 /* SyntaxKind.Block */);
+            node.statements = createNodeArray(statements);
+            node.multiLine = multiLine;
+            node.transformFlags |= propagateChildrenFlags(node.statements);
+            return node;
+        }
+        // @api
+        function updateBlock(node, statements) {
+            return node.statements !== statements
+                ? update(createBlock(statements, node.multiLine), node)
+                : node;
+        }
+        // @api
+        function createVariableStatement(modifiers, declarationList) {
+            var node = createBaseDeclaration(237 /* SyntaxKind.VariableStatement */, /*decorators*/ undefined, modifiers);
+            node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList;
+            node.transformFlags |=
+                propagateChildFlags(node.declarationList);
+            if (ts.modifiersToFlags(node.modifiers) & 2 /* ModifierFlags.Ambient */) {
+                node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            return node;
+        }
+        // @api
+        function updateVariableStatement(node, modifiers, declarationList) {
+            return node.modifiers !== modifiers
+                || node.declarationList !== declarationList
+                ? update(createVariableStatement(modifiers, declarationList), node)
+                : node;
+        }
+        // @api
+        function createEmptyStatement() {
+            return createBaseNode(236 /* SyntaxKind.EmptyStatement */);
+        }
+        // @api
+        function createExpressionStatement(expression) {
+            var node = createBaseNode(238 /* SyntaxKind.ExpressionStatement */);
+            node.expression = parenthesizerRules().parenthesizeExpressionOfExpressionStatement(expression);
+            node.transformFlags |= propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateExpressionStatement(node, expression) {
+            return node.expression !== expression
+                ? update(createExpressionStatement(expression), node)
+                : node;
+        }
+        // @api
+        function createIfStatement(expression, thenStatement, elseStatement) {
+            var node = createBaseNode(239 /* SyntaxKind.IfStatement */);
+            node.expression = expression;
+            node.thenStatement = asEmbeddedStatement(thenStatement);
+            node.elseStatement = asEmbeddedStatement(elseStatement);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.thenStatement) |
+                    propagateChildFlags(node.elseStatement);
+            return node;
+        }
+        // @api
+        function updateIfStatement(node, expression, thenStatement, elseStatement) {
+            return node.expression !== expression
+                || node.thenStatement !== thenStatement
+                || node.elseStatement !== elseStatement
+                ? update(createIfStatement(expression, thenStatement, elseStatement), node)
+                : node;
+        }
+        // @api
+        function createDoStatement(statement, expression) {
+            var node = createBaseNode(240 /* SyntaxKind.DoStatement */);
+            node.statement = asEmbeddedStatement(statement);
+            node.expression = expression;
+            node.transformFlags |=
+                propagateChildFlags(node.statement) |
+                    propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateDoStatement(node, statement, expression) {
+            return node.statement !== statement
+                || node.expression !== expression
+                ? update(createDoStatement(statement, expression), node)
+                : node;
+        }
+        // @api
+        function createWhileStatement(expression, statement) {
+            var node = createBaseNode(241 /* SyntaxKind.WhileStatement */);
+            node.expression = expression;
+            node.statement = asEmbeddedStatement(statement);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.statement);
+            return node;
+        }
+        // @api
+        function updateWhileStatement(node, expression, statement) {
+            return node.expression !== expression
+                || node.statement !== statement
+                ? update(createWhileStatement(expression, statement), node)
+                : node;
+        }
+        // @api
+        function createForStatement(initializer, condition, incrementor, statement) {
+            var node = createBaseNode(242 /* SyntaxKind.ForStatement */);
+            node.initializer = initializer;
+            node.condition = condition;
+            node.incrementor = incrementor;
+            node.statement = asEmbeddedStatement(statement);
+            node.transformFlags |=
+                propagateChildFlags(node.initializer) |
+                    propagateChildFlags(node.condition) |
+                    propagateChildFlags(node.incrementor) |
+                    propagateChildFlags(node.statement);
+            return node;
+        }
+        // @api
+        function updateForStatement(node, initializer, condition, incrementor, statement) {
+            return node.initializer !== initializer
+                || node.condition !== condition
+                || node.incrementor !== incrementor
+                || node.statement !== statement
+                ? update(createForStatement(initializer, condition, incrementor, statement), node)
+                : node;
+        }
+        // @api
+        function createForInStatement(initializer, expression, statement) {
+            var node = createBaseNode(243 /* SyntaxKind.ForInStatement */);
+            node.initializer = initializer;
+            node.expression = expression;
+            node.statement = asEmbeddedStatement(statement);
+            node.transformFlags |=
+                propagateChildFlags(node.initializer) |
+                    propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.statement);
+            return node;
+        }
+        // @api
+        function updateForInStatement(node, initializer, expression, statement) {
+            return node.initializer !== initializer
+                || node.expression !== expression
+                || node.statement !== statement
+                ? update(createForInStatement(initializer, expression, statement), node)
+                : node;
+        }
+        // @api
+        function createForOfStatement(awaitModifier, initializer, expression, statement) {
+            var node = createBaseNode(244 /* SyntaxKind.ForOfStatement */);
+            node.awaitModifier = awaitModifier;
+            node.initializer = initializer;
+            node.expression = parenthesizerRules().parenthesizeExpressionForDisallowedComma(expression);
+            node.statement = asEmbeddedStatement(statement);
+            node.transformFlags |=
+                propagateChildFlags(node.awaitModifier) |
+                    propagateChildFlags(node.initializer) |
+                    propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.statement) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            if (awaitModifier)
+                node.transformFlags |= 128 /* TransformFlags.ContainsES2018 */;
+            return node;
+        }
+        // @api
+        function updateForOfStatement(node, awaitModifier, initializer, expression, statement) {
+            return node.awaitModifier !== awaitModifier
+                || node.initializer !== initializer
+                || node.expression !== expression
+                || node.statement !== statement
+                ? update(createForOfStatement(awaitModifier, initializer, expression, statement), node)
+                : node;
+        }
+        // @api
+        function createContinueStatement(label) {
+            var node = createBaseNode(245 /* SyntaxKind.ContinueStatement */);
+            node.label = asName(label);
+            node.transformFlags |=
+                propagateChildFlags(node.label) |
+                    2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */;
+            return node;
+        }
+        // @api
+        function updateContinueStatement(node, label) {
+            return node.label !== label
+                ? update(createContinueStatement(label), node)
+                : node;
+        }
+        // @api
+        function createBreakStatement(label) {
+            var node = createBaseNode(246 /* SyntaxKind.BreakStatement */);
+            node.label = asName(label);
+            node.transformFlags |=
+                propagateChildFlags(node.label) |
+                    2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */;
+            return node;
+        }
+        // @api
+        function updateBreakStatement(node, label) {
+            return node.label !== label
+                ? update(createBreakStatement(label), node)
+                : node;
+        }
+        // @api
+        function createReturnStatement(expression) {
+            var node = createBaseNode(247 /* SyntaxKind.ReturnStatement */);
+            node.expression = expression;
+            // return in an ES2018 async generator must be awaited
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    128 /* TransformFlags.ContainsES2018 */ |
+                    2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */;
+            return node;
+        }
+        // @api
+        function updateReturnStatement(node, expression) {
+            return node.expression !== expression
+                ? update(createReturnStatement(expression), node)
+                : node;
+        }
+        // @api
+        function createWithStatement(expression, statement) {
+            var node = createBaseNode(248 /* SyntaxKind.WithStatement */);
+            node.expression = expression;
+            node.statement = asEmbeddedStatement(statement);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.statement);
+            return node;
+        }
+        // @api
+        function updateWithStatement(node, expression, statement) {
+            return node.expression !== expression
+                || node.statement !== statement
+                ? update(createWithStatement(expression, statement), node)
+                : node;
+        }
+        // @api
+        function createSwitchStatement(expression, caseBlock) {
+            var node = createBaseNode(249 /* SyntaxKind.SwitchStatement */);
+            node.expression = parenthesizerRules().parenthesizeExpressionForDisallowedComma(expression);
+            node.caseBlock = caseBlock;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.caseBlock);
+            return node;
+        }
+        // @api
+        function updateSwitchStatement(node, expression, caseBlock) {
+            return node.expression !== expression
+                || node.caseBlock !== caseBlock
+                ? update(createSwitchStatement(expression, caseBlock), node)
+                : node;
+        }
+        // @api
+        function createLabeledStatement(label, statement) {
+            var node = createBaseNode(250 /* SyntaxKind.LabeledStatement */);
+            node.label = asName(label);
+            node.statement = asEmbeddedStatement(statement);
+            node.transformFlags |=
+                propagateChildFlags(node.label) |
+                    propagateChildFlags(node.statement);
+            return node;
+        }
+        // @api
+        function updateLabeledStatement(node, label, statement) {
+            return node.label !== label
+                || node.statement !== statement
+                ? update(createLabeledStatement(label, statement), node)
+                : node;
+        }
+        // @api
+        function createThrowStatement(expression) {
+            var node = createBaseNode(251 /* SyntaxKind.ThrowStatement */);
+            node.expression = expression;
+            node.transformFlags |= propagateChildFlags(node.expression);
+            return node;
+        }
+        // @api
+        function updateThrowStatement(node, expression) {
+            return node.expression !== expression
+                ? update(createThrowStatement(expression), node)
+                : node;
+        }
+        // @api
+        function createTryStatement(tryBlock, catchClause, finallyBlock) {
+            var node = createBaseNode(252 /* SyntaxKind.TryStatement */);
+            node.tryBlock = tryBlock;
+            node.catchClause = catchClause;
+            node.finallyBlock = finallyBlock;
+            node.transformFlags |=
+                propagateChildFlags(node.tryBlock) |
+                    propagateChildFlags(node.catchClause) |
+                    propagateChildFlags(node.finallyBlock);
+            return node;
+        }
+        // @api
+        function updateTryStatement(node, tryBlock, catchClause, finallyBlock) {
+            return node.tryBlock !== tryBlock
+                || node.catchClause !== catchClause
+                || node.finallyBlock !== finallyBlock
+                ? update(createTryStatement(tryBlock, catchClause, finallyBlock), node)
+                : node;
+        }
+        // @api
+        function createDebuggerStatement() {
+            return createBaseNode(253 /* SyntaxKind.DebuggerStatement */);
+        }
+        // @api
+        function createVariableDeclaration(name, exclamationToken, type, initializer) {
+            var node = createBaseVariableLikeDeclaration(254 /* SyntaxKind.VariableDeclaration */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, name, type, initializer && parenthesizerRules().parenthesizeExpressionForDisallowedComma(initializer));
+            node.exclamationToken = exclamationToken;
+            node.transformFlags |= propagateChildFlags(node.exclamationToken);
+            if (exclamationToken) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            return node;
+        }
+        // @api
+        function updateVariableDeclaration(node, name, exclamationToken, type, initializer) {
+            return node.name !== name
+                || node.type !== type
+                || node.exclamationToken !== exclamationToken
+                || node.initializer !== initializer
+                ? update(createVariableDeclaration(name, exclamationToken, type, initializer), node)
+                : node;
+        }
+        // @api
+        function createVariableDeclarationList(declarations, flags) {
+            if (flags === void 0) { flags = 0 /* NodeFlags.None */; }
+            var node = createBaseNode(255 /* SyntaxKind.VariableDeclarationList */);
+            node.flags |= flags & 3 /* NodeFlags.BlockScoped */;
+            node.declarations = createNodeArray(declarations);
+            node.transformFlags |=
+                propagateChildrenFlags(node.declarations) |
+                    2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */;
+            if (flags & 3 /* NodeFlags.BlockScoped */) {
+                node.transformFlags |=
+                    1024 /* TransformFlags.ContainsES2015 */ |
+                        131072 /* TransformFlags.ContainsBlockScopedBinding */;
+            }
+            return node;
+        }
+        // @api
+        function updateVariableDeclarationList(node, declarations) {
+            return node.declarations !== declarations
+                ? update(createVariableDeclarationList(declarations, node.flags), node)
+                : node;
+        }
+        // @api
+        function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+            var node = createBaseFunctionLikeDeclaration(256 /* SyntaxKind.FunctionDeclaration */, decorators, modifiers, name, typeParameters, parameters, type, body);
+            node.asteriskToken = asteriskToken;
+            if (!node.body || ts.modifiersToFlags(node.modifiers) & 2 /* ModifierFlags.Ambient */) {
+                node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            else {
+                node.transformFlags |=
+                    propagateChildFlags(node.asteriskToken) |
+                        2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */;
+                if (ts.modifiersToFlags(node.modifiers) & 256 /* ModifierFlags.Async */) {
+                    if (node.asteriskToken) {
+                        node.transformFlags |= 128 /* TransformFlags.ContainsES2018 */;
+                    }
+                    else {
+                        node.transformFlags |= 256 /* TransformFlags.ContainsES2017 */;
+                    }
+                }
+                else if (node.asteriskToken) {
+                    node.transformFlags |= 2048 /* TransformFlags.ContainsGenerator */;
+                }
+            }
+            return node;
+        }
+        // @api
+        function updateFunctionDeclaration(node, decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.asteriskToken !== asteriskToken
+                || node.name !== name
+                || node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                || node.body !== body
+                ? updateBaseFunctionLikeDeclaration(createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
+                : node;
+        }
+        // @api
+        function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            var node = createBaseClassLikeDeclaration(257 /* SyntaxKind.ClassDeclaration */, decorators, modifiers, name, typeParameters, heritageClauses, members);
+            if (ts.modifiersToFlags(node.modifiers) & 2 /* ModifierFlags.Ambient */) {
+                node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            else {
+                node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+                if (node.transformFlags & 4096 /* TransformFlags.ContainsTypeScriptClassSyntax */) {
+                    node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+                }
+            }
+            return node;
+        }
+        // @api
+        function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.typeParameters !== typeParameters
+                || node.heritageClauses !== heritageClauses
+                || node.members !== members
+                ? update(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
+                : node;
+        }
+        // @api
+        function createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            var node = createBaseInterfaceOrClassLikeDeclaration(258 /* SyntaxKind.InterfaceDeclaration */, decorators, modifiers, name, typeParameters, heritageClauses);
+            node.members = createNodeArray(members);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateInterfaceDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.typeParameters !== typeParameters
+                || node.heritageClauses !== heritageClauses
+                || node.members !== members
+                ? update(createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
+                : node;
+        }
+        // @api
+        function createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type) {
+            var node = createBaseGenericNamedDeclaration(259 /* SyntaxKind.TypeAliasDeclaration */, decorators, modifiers, name, typeParameters);
+            node.type = type;
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateTypeAliasDeclaration(node, decorators, modifiers, name, typeParameters, type) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.typeParameters !== typeParameters
+                || node.type !== type
+                ? update(createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type), node)
+                : node;
+        }
+        // @api
+        function createEnumDeclaration(decorators, modifiers, name, members) {
+            var node = createBaseNamedDeclaration(260 /* SyntaxKind.EnumDeclaration */, decorators, modifiers, name);
+            node.members = createNodeArray(members);
+            node.transformFlags |=
+                propagateChildrenFlags(node.members) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // Enum declarations cannot contain `await`
+            return node;
+        }
+        // @api
+        function updateEnumDeclaration(node, decorators, modifiers, name, members) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.members !== members
+                ? update(createEnumDeclaration(decorators, modifiers, name, members), node)
+                : node;
+        }
+        // @api
+        function createModuleDeclaration(decorators, modifiers, name, body, flags) {
+            if (flags === void 0) { flags = 0 /* NodeFlags.None */; }
+            var node = createBaseDeclaration(261 /* SyntaxKind.ModuleDeclaration */, decorators, modifiers);
+            node.flags |= flags & (16 /* NodeFlags.Namespace */ | 4 /* NodeFlags.NestedNamespace */ | 1024 /* NodeFlags.GlobalAugmentation */);
+            node.name = name;
+            node.body = body;
+            if (ts.modifiersToFlags(node.modifiers) & 2 /* ModifierFlags.Ambient */) {
+                node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            else {
+                node.transformFlags |=
+                    propagateChildFlags(node.name) |
+                        propagateChildFlags(node.body) |
+                        1 /* TransformFlags.ContainsTypeScript */;
+            }
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // Module declarations cannot contain `await`.
+            return node;
+        }
+        // @api
+        function updateModuleDeclaration(node, decorators, modifiers, name, body) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.name !== name
+                || node.body !== body
+                ? update(createModuleDeclaration(decorators, modifiers, name, body, node.flags), node)
+                : node;
+        }
+        // @api
+        function createModuleBlock(statements) {
+            var node = createBaseNode(262 /* SyntaxKind.ModuleBlock */);
+            node.statements = createNodeArray(statements);
+            node.transformFlags |= propagateChildrenFlags(node.statements);
+            return node;
+        }
+        // @api
+        function updateModuleBlock(node, statements) {
+            return node.statements !== statements
+                ? update(createModuleBlock(statements), node)
+                : node;
+        }
+        // @api
+        function createCaseBlock(clauses) {
+            var node = createBaseNode(263 /* SyntaxKind.CaseBlock */);
+            node.clauses = createNodeArray(clauses);
+            node.transformFlags |= propagateChildrenFlags(node.clauses);
+            return node;
+        }
+        // @api
+        function updateCaseBlock(node, clauses) {
+            return node.clauses !== clauses
+                ? update(createCaseBlock(clauses), node)
+                : node;
+        }
+        // @api
+        function createNamespaceExportDeclaration(name) {
+            var node = createBaseNamedDeclaration(264 /* SyntaxKind.NamespaceExportDeclaration */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, name);
+            node.transformFlags = 1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateNamespaceExportDeclaration(node, name) {
+            return node.name !== name
+                ? update(createNamespaceExportDeclaration(name), node)
+                : node;
+        }
+        // @api
+        function createImportEqualsDeclaration(decorators, modifiers, isTypeOnly, name, moduleReference) {
+            var node = createBaseNamedDeclaration(265 /* SyntaxKind.ImportEqualsDeclaration */, decorators, modifiers, name);
+            node.isTypeOnly = isTypeOnly;
+            node.moduleReference = moduleReference;
+            node.transformFlags |= propagateChildFlags(node.moduleReference);
+            if (!ts.isExternalModuleReference(node.moduleReference))
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // Import= declaration is always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateImportEqualsDeclaration(node, decorators, modifiers, isTypeOnly, name, moduleReference) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.isTypeOnly !== isTypeOnly
+                || node.name !== name
+                || node.moduleReference !== moduleReference
+                ? update(createImportEqualsDeclaration(decorators, modifiers, isTypeOnly, name, moduleReference), node)
+                : node;
+        }
+        // @api
+        function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, assertClause) {
+            var node = createBaseDeclaration(266 /* SyntaxKind.ImportDeclaration */, decorators, modifiers);
+            node.importClause = importClause;
+            node.moduleSpecifier = moduleSpecifier;
+            node.assertClause = assertClause;
+            node.transformFlags |=
+                propagateChildFlags(node.importClause) |
+                    propagateChildFlags(node.moduleSpecifier);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier, assertClause) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.importClause !== importClause
+                || node.moduleSpecifier !== moduleSpecifier
+                || node.assertClause !== assertClause
+                ? update(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, assertClause), node)
+                : node;
+        }
+        // @api
+        function createImportClause(isTypeOnly, name, namedBindings) {
+            var node = createBaseNode(267 /* SyntaxKind.ImportClause */);
+            node.isTypeOnly = isTypeOnly;
+            node.name = name;
+            node.namedBindings = namedBindings;
+            node.transformFlags |=
+                propagateChildFlags(node.name) |
+                    propagateChildFlags(node.namedBindings);
+            if (isTypeOnly) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateImportClause(node, isTypeOnly, name, namedBindings) {
+            return node.isTypeOnly !== isTypeOnly
+                || node.name !== name
+                || node.namedBindings !== namedBindings
+                ? update(createImportClause(isTypeOnly, name, namedBindings), node)
+                : node;
+        }
+        // @api
+        function createAssertClause(elements, multiLine) {
+            var node = createBaseNode(293 /* SyntaxKind.AssertClause */);
+            node.elements = createNodeArray(elements);
+            node.multiLine = multiLine;
+            node.transformFlags |= 4 /* TransformFlags.ContainsESNext */;
+            return node;
+        }
+        // @api
+        function updateAssertClause(node, elements, multiLine) {
+            return node.elements !== elements
+                || node.multiLine !== multiLine
+                ? update(createAssertClause(elements, multiLine), node)
+                : node;
+        }
+        // @api
+        function createAssertEntry(name, value) {
+            var node = createBaseNode(294 /* SyntaxKind.AssertEntry */);
+            node.name = name;
+            node.value = value;
+            node.transformFlags |= 4 /* TransformFlags.ContainsESNext */;
+            return node;
+        }
+        // @api
+        function updateAssertEntry(node, name, value) {
+            return node.name !== name
+                || node.value !== value
+                ? update(createAssertEntry(name, value), node)
+                : node;
+        }
+        // @api
+        function createImportTypeAssertionContainer(clause, multiLine) {
+            var node = createBaseNode(295 /* SyntaxKind.ImportTypeAssertionContainer */);
+            node.assertClause = clause;
+            node.multiLine = multiLine;
+            return node;
+        }
+        // @api
+        function updateImportTypeAssertionContainer(node, clause, multiLine) {
+            return node.assertClause !== clause
+                || node.multiLine !== multiLine
+                ? update(createImportTypeAssertionContainer(clause, multiLine), node)
+                : node;
+        }
+        // @api
+        function createNamespaceImport(name) {
+            var node = createBaseNode(268 /* SyntaxKind.NamespaceImport */);
+            node.name = name;
+            node.transformFlags |= propagateChildFlags(node.name);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateNamespaceImport(node, name) {
+            return node.name !== name
+                ? update(createNamespaceImport(name), node)
+                : node;
+        }
+        // @api
+        function createNamespaceExport(name) {
+            var node = createBaseNode(274 /* SyntaxKind.NamespaceExport */);
+            node.name = name;
+            node.transformFlags |=
+                propagateChildFlags(node.name) |
+                    4 /* TransformFlags.ContainsESNext */;
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateNamespaceExport(node, name) {
+            return node.name !== name
+                ? update(createNamespaceExport(name), node)
+                : node;
+        }
+        // @api
+        function createNamedImports(elements) {
+            var node = createBaseNode(269 /* SyntaxKind.NamedImports */);
+            node.elements = createNodeArray(elements);
+            node.transformFlags |= propagateChildrenFlags(node.elements);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateNamedImports(node, elements) {
+            return node.elements !== elements
+                ? update(createNamedImports(elements), node)
+                : node;
+        }
+        // @api
+        function createImportSpecifier(isTypeOnly, propertyName, name) {
+            var node = createBaseNode(270 /* SyntaxKind.ImportSpecifier */);
+            node.isTypeOnly = isTypeOnly;
+            node.propertyName = propertyName;
+            node.name = name;
+            node.transformFlags |=
+                propagateChildFlags(node.propertyName) |
+                    propagateChildFlags(node.name);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateImportSpecifier(node, isTypeOnly, propertyName, name) {
+            return node.isTypeOnly !== isTypeOnly
+                || node.propertyName !== propertyName
+                || node.name !== name
+                ? update(createImportSpecifier(isTypeOnly, propertyName, name), node)
+                : node;
+        }
+        // @api
+        function createExportAssignment(decorators, modifiers, isExportEquals, expression) {
+            var node = createBaseDeclaration(271 /* SyntaxKind.ExportAssignment */, decorators, modifiers);
+            node.isExportEquals = isExportEquals;
+            node.expression = isExportEquals
+                ? parenthesizerRules().parenthesizeRightSideOfBinary(63 /* SyntaxKind.EqualsToken */, /*leftSide*/ undefined, expression)
+                : parenthesizerRules().parenthesizeExpressionOfExportDefault(expression);
+            node.transformFlags |= propagateChildFlags(node.expression);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateExportAssignment(node, decorators, modifiers, expression) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.expression !== expression
+                ? update(createExportAssignment(decorators, modifiers, node.isExportEquals, expression), node)
+                : node;
+        }
+        // @api
+        function createExportDeclaration(decorators, modifiers, isTypeOnly, exportClause, moduleSpecifier, assertClause) {
+            var node = createBaseDeclaration(272 /* SyntaxKind.ExportDeclaration */, decorators, modifiers);
+            node.isTypeOnly = isTypeOnly;
+            node.exportClause = exportClause;
+            node.moduleSpecifier = moduleSpecifier;
+            node.assertClause = assertClause;
+            node.transformFlags |=
+                propagateChildFlags(node.exportClause) |
+                    propagateChildFlags(node.moduleSpecifier);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateExportDeclaration(node, decorators, modifiers, isTypeOnly, exportClause, moduleSpecifier, assertClause) {
+            return node.decorators !== decorators
+                || node.modifiers !== modifiers
+                || node.isTypeOnly !== isTypeOnly
+                || node.exportClause !== exportClause
+                || node.moduleSpecifier !== moduleSpecifier
+                || node.assertClause !== assertClause
+                ? update(createExportDeclaration(decorators, modifiers, isTypeOnly, exportClause, moduleSpecifier, assertClause), node)
+                : node;
+        }
+        // @api
+        function createNamedExports(elements) {
+            var node = createBaseNode(273 /* SyntaxKind.NamedExports */);
+            node.elements = createNodeArray(elements);
+            node.transformFlags |= propagateChildrenFlags(node.elements);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateNamedExports(node, elements) {
+            return node.elements !== elements
+                ? update(createNamedExports(elements), node)
+                : node;
+        }
+        // @api
+        function createExportSpecifier(isTypeOnly, propertyName, name) {
+            var node = createBaseNode(275 /* SyntaxKind.ExportSpecifier */);
+            node.isTypeOnly = isTypeOnly;
+            node.propertyName = asName(propertyName);
+            node.name = asName(name);
+            node.transformFlags |=
+                propagateChildFlags(node.propertyName) |
+                    propagateChildFlags(node.name);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateExportSpecifier(node, isTypeOnly, propertyName, name) {
+            return node.isTypeOnly !== isTypeOnly
+                || node.propertyName !== propertyName
+                || node.name !== name
+                ? update(createExportSpecifier(isTypeOnly, propertyName, name), node)
+                : node;
+        }
+        // @api
+        function createMissingDeclaration() {
+            var node = createBaseDeclaration(276 /* SyntaxKind.MissingDeclaration */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined);
+            return node;
+        }
+        //
+        // Module references
+        //
+        // @api
+        function createExternalModuleReference(expression) {
+            var node = createBaseNode(277 /* SyntaxKind.ExternalModuleReference */);
+            node.expression = expression;
+            node.transformFlags |= propagateChildFlags(node.expression);
+            node.transformFlags &= ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */; // always parsed in an Await context
+            return node;
+        }
+        // @api
+        function updateExternalModuleReference(node, expression) {
+            return node.expression !== expression
+                ? update(createExternalModuleReference(expression), node)
+                : node;
+        }
+        //
+        // JSDoc
+        //
+        // @api
+        // createJSDocAllType
+        // createJSDocUnknownType
+        function createJSDocPrimaryTypeWorker(kind) {
+            return createBaseNode(kind);
+        }
+        // @api
+        // createJSDocNullableType
+        // createJSDocNonNullableType
+        function createJSDocPrePostfixUnaryTypeWorker(kind, type, postfix) {
+            if (postfix === void 0) { postfix = false; }
+            var node = createJSDocUnaryTypeWorker(kind, postfix ? type && parenthesizerRules().parenthesizeNonArrayTypeOfPostfixType(type) : type);
+            node.postfix = postfix;
+            return node;
+        }
+        // @api
+        // createJSDocOptionalType
+        // createJSDocVariadicType
+        // createJSDocNamepathType
+        function createJSDocUnaryTypeWorker(kind, type) {
+            var node = createBaseNode(kind);
+            node.type = type;
+            return node;
+        }
+        // @api
+        // updateJSDocNonNullableType
+        // updateJSDocNullableType
+        function updateJSDocPrePostfixUnaryTypeWorker(kind, node, type) {
+            return node.type !== type
+                ? update(createJSDocPrePostfixUnaryTypeWorker(kind, type, node.postfix), node)
+                : node;
+        }
+        // @api
+        // updateJSDocOptionalType
+        // updateJSDocVariadicType
+        // updateJSDocNamepathType
+        function updateJSDocUnaryTypeWorker(kind, node, type) {
+            return node.type !== type
+                ? update(createJSDocUnaryTypeWorker(kind, type), node)
+                : node;
+        }
+        // @api
+        function createJSDocFunctionType(parameters, type) {
+            var node = createBaseSignatureDeclaration(317 /* SyntaxKind.JSDocFunctionType */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*name*/ undefined, 
+            /*typeParameters*/ undefined, parameters, type);
+            return node;
+        }
+        // @api
+        function updateJSDocFunctionType(node, parameters, type) {
+            return node.parameters !== parameters
+                || node.type !== type
+                ? update(createJSDocFunctionType(parameters, type), node)
+                : node;
+        }
+        // @api
+        function createJSDocTypeLiteral(propertyTags, isArrayType) {
+            if (isArrayType === void 0) { isArrayType = false; }
+            var node = createBaseNode(322 /* SyntaxKind.JSDocTypeLiteral */);
+            node.jsDocPropertyTags = asNodeArray(propertyTags);
+            node.isArrayType = isArrayType;
+            return node;
+        }
+        // @api
+        function updateJSDocTypeLiteral(node, propertyTags, isArrayType) {
+            return node.jsDocPropertyTags !== propertyTags
+                || node.isArrayType !== isArrayType
+                ? update(createJSDocTypeLiteral(propertyTags, isArrayType), node)
+                : node;
+        }
+        // @api
+        function createJSDocTypeExpression(type) {
+            var node = createBaseNode(309 /* SyntaxKind.JSDocTypeExpression */);
+            node.type = type;
+            return node;
+        }
+        // @api
+        function updateJSDocTypeExpression(node, type) {
+            return node.type !== type
+                ? update(createJSDocTypeExpression(type), node)
+                : node;
+        }
+        // @api
+        function createJSDocSignature(typeParameters, parameters, type) {
+            var node = createBaseNode(323 /* SyntaxKind.JSDocSignature */);
+            node.typeParameters = asNodeArray(typeParameters);
+            node.parameters = createNodeArray(parameters);
+            node.type = type;
+            return node;
+        }
+        // @api
+        function updateJSDocSignature(node, typeParameters, parameters, type) {
+            return node.typeParameters !== typeParameters
+                || node.parameters !== parameters
+                || node.type !== type
+                ? update(createJSDocSignature(typeParameters, parameters, type), node)
+                : node;
+        }
+        function getDefaultTagName(node) {
+            var defaultTagName = getDefaultTagNameForKind(node.kind);
+            return node.tagName.escapedText === ts.escapeLeadingUnderscores(defaultTagName)
+                ? node.tagName
+                : createIdentifier(defaultTagName);
+        }
+        // @api
+        function createBaseJSDocTag(kind, tagName, comment) {
+            var node = createBaseNode(kind);
+            node.tagName = tagName;
+            node.comment = comment;
+            return node;
+        }
+        // @api
+        function createJSDocTemplateTag(tagName, constraint, typeParameters, comment) {
+            var node = createBaseJSDocTag(344 /* SyntaxKind.JSDocTemplateTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("template"), comment);
+            node.constraint = constraint;
+            node.typeParameters = createNodeArray(typeParameters);
+            return node;
+        }
+        // @api
+        function updateJSDocTemplateTag(node, tagName, constraint, typeParameters, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.constraint !== constraint
+                || node.typeParameters !== typeParameters
+                || node.comment !== comment
+                ? update(createJSDocTemplateTag(tagName, constraint, typeParameters, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocTypedefTag(tagName, typeExpression, fullName, comment) {
+            var node = createBaseJSDocTag(345 /* SyntaxKind.JSDocTypedefTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("typedef"), comment);
+            node.typeExpression = typeExpression;
+            node.fullName = fullName;
+            node.name = ts.getJSDocTypeAliasName(fullName);
+            return node;
+        }
+        // @api
+        function updateJSDocTypedefTag(node, tagName, typeExpression, fullName, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.typeExpression !== typeExpression
+                || node.fullName !== fullName
+                || node.comment !== comment
+                ? update(createJSDocTypedefTag(tagName, typeExpression, fullName, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocParameterTag(tagName, name, isBracketed, typeExpression, isNameFirst, comment) {
+            var node = createBaseJSDocTag(340 /* SyntaxKind.JSDocParameterTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("param"), comment);
+            node.typeExpression = typeExpression;
+            node.name = name;
+            node.isNameFirst = !!isNameFirst;
+            node.isBracketed = isBracketed;
+            return node;
+        }
+        // @api
+        function updateJSDocParameterTag(node, tagName, name, isBracketed, typeExpression, isNameFirst, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.name !== name
+                || node.isBracketed !== isBracketed
+                || node.typeExpression !== typeExpression
+                || node.isNameFirst !== isNameFirst
+                || node.comment !== comment
+                ? update(createJSDocParameterTag(tagName, name, isBracketed, typeExpression, isNameFirst, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocPropertyTag(tagName, name, isBracketed, typeExpression, isNameFirst, comment) {
+            var node = createBaseJSDocTag(347 /* SyntaxKind.JSDocPropertyTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("prop"), comment);
+            node.typeExpression = typeExpression;
+            node.name = name;
+            node.isNameFirst = !!isNameFirst;
+            node.isBracketed = isBracketed;
+            return node;
+        }
+        // @api
+        function updateJSDocPropertyTag(node, tagName, name, isBracketed, typeExpression, isNameFirst, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.name !== name
+                || node.isBracketed !== isBracketed
+                || node.typeExpression !== typeExpression
+                || node.isNameFirst !== isNameFirst
+                || node.comment !== comment
+                ? update(createJSDocPropertyTag(tagName, name, isBracketed, typeExpression, isNameFirst, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocCallbackTag(tagName, typeExpression, fullName, comment) {
+            var node = createBaseJSDocTag(338 /* SyntaxKind.JSDocCallbackTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("callback"), comment);
+            node.typeExpression = typeExpression;
+            node.fullName = fullName;
+            node.name = ts.getJSDocTypeAliasName(fullName);
+            return node;
+        }
+        // @api
+        function updateJSDocCallbackTag(node, tagName, typeExpression, fullName, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.typeExpression !== typeExpression
+                || node.fullName !== fullName
+                || node.comment !== comment
+                ? update(createJSDocCallbackTag(tagName, typeExpression, fullName, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocAugmentsTag(tagName, className, comment) {
+            var node = createBaseJSDocTag(328 /* SyntaxKind.JSDocAugmentsTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("augments"), comment);
+            node.class = className;
+            return node;
+        }
+        // @api
+        function updateJSDocAugmentsTag(node, tagName, className, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.class !== className
+                || node.comment !== comment
+                ? update(createJSDocAugmentsTag(tagName, className, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocImplementsTag(tagName, className, comment) {
+            var node = createBaseJSDocTag(329 /* SyntaxKind.JSDocImplementsTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("implements"), comment);
+            node.class = className;
+            return node;
+        }
+        // @api
+        function createJSDocSeeTag(tagName, name, comment) {
+            var node = createBaseJSDocTag(346 /* SyntaxKind.JSDocSeeTag */, tagName !== null && tagName !== void 0 ? tagName : createIdentifier("see"), comment);
+            node.name = name;
+            return node;
+        }
+        // @api
+        function updateJSDocSeeTag(node, tagName, name, comment) {
+            return node.tagName !== tagName
+                || node.name !== name
+                || node.comment !== comment
+                ? update(createJSDocSeeTag(tagName, name, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocNameReference(name) {
+            var node = createBaseNode(310 /* SyntaxKind.JSDocNameReference */);
+            node.name = name;
+            return node;
+        }
+        // @api
+        function updateJSDocNameReference(node, name) {
+            return node.name !== name
+                ? update(createJSDocNameReference(name), node)
+                : node;
+        }
+        // @api
+        function createJSDocMemberName(left, right) {
+            var node = createBaseNode(311 /* SyntaxKind.JSDocMemberName */);
+            node.left = left;
+            node.right = right;
+            node.transformFlags |=
+                propagateChildFlags(node.left) |
+                    propagateChildFlags(node.right);
+            return node;
+        }
+        // @api
+        function updateJSDocMemberName(node, left, right) {
+            return node.left !== left
+                || node.right !== right
+                ? update(createJSDocMemberName(left, right), node)
+                : node;
+        }
+        // @api
+        function createJSDocLink(name, text) {
+            var node = createBaseNode(324 /* SyntaxKind.JSDocLink */);
+            node.name = name;
+            node.text = text;
+            return node;
+        }
+        // @api
+        function updateJSDocLink(node, name, text) {
+            return node.name !== name
+                ? update(createJSDocLink(name, text), node)
+                : node;
+        }
+        // @api
+        function createJSDocLinkCode(name, text) {
+            var node = createBaseNode(325 /* SyntaxKind.JSDocLinkCode */);
+            node.name = name;
+            node.text = text;
+            return node;
+        }
+        // @api
+        function updateJSDocLinkCode(node, name, text) {
+            return node.name !== name
+                ? update(createJSDocLinkCode(name, text), node)
+                : node;
+        }
+        // @api
+        function createJSDocLinkPlain(name, text) {
+            var node = createBaseNode(326 /* SyntaxKind.JSDocLinkPlain */);
+            node.name = name;
+            node.text = text;
+            return node;
+        }
+        // @api
+        function updateJSDocLinkPlain(node, name, text) {
+            return node.name !== name
+                ? update(createJSDocLinkPlain(name, text), node)
+                : node;
+        }
+        // @api
+        function updateJSDocImplementsTag(node, tagName, className, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.class !== className
+                || node.comment !== comment
+                ? update(createJSDocImplementsTag(tagName, className, comment), node)
+                : node;
+        }
+        // @api
+        // createJSDocAuthorTag
+        // createJSDocClassTag
+        // createJSDocPublicTag
+        // createJSDocPrivateTag
+        // createJSDocProtectedTag
+        // createJSDocReadonlyTag
+        // createJSDocDeprecatedTag
+        function createJSDocSimpleTagWorker(kind, tagName, comment) {
+            var node = createBaseJSDocTag(kind, tagName !== null && tagName !== void 0 ? tagName : createIdentifier(getDefaultTagNameForKind(kind)), comment);
+            return node;
+        }
+        // @api
+        // updateJSDocAuthorTag
+        // updateJSDocClassTag
+        // updateJSDocPublicTag
+        // updateJSDocPrivateTag
+        // updateJSDocProtectedTag
+        // updateJSDocReadonlyTag
+        // updateJSDocDeprecatedTag
+        function updateJSDocSimpleTagWorker(kind, node, tagName, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.comment !== comment
+                ? update(createJSDocSimpleTagWorker(kind, tagName, comment), node) :
+                node;
+        }
+        // @api
+        // createJSDocTypeTag
+        // createJSDocReturnTag
+        // createJSDocThisTag
+        // createJSDocEnumTag
+        function createJSDocTypeLikeTagWorker(kind, tagName, typeExpression, comment) {
+            var node = createBaseJSDocTag(kind, tagName !== null && tagName !== void 0 ? tagName : createIdentifier(getDefaultTagNameForKind(kind)), comment);
+            node.typeExpression = typeExpression;
+            return node;
+        }
+        // @api
+        // updateJSDocTypeTag
+        // updateJSDocReturnTag
+        // updateJSDocThisTag
+        // updateJSDocEnumTag
+        function updateJSDocTypeLikeTagWorker(kind, node, tagName, typeExpression, comment) {
+            if (tagName === void 0) { tagName = getDefaultTagName(node); }
+            return node.tagName !== tagName
+                || node.typeExpression !== typeExpression
+                || node.comment !== comment
+                ? update(createJSDocTypeLikeTagWorker(kind, tagName, typeExpression, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocUnknownTag(tagName, comment) {
+            var node = createBaseJSDocTag(327 /* SyntaxKind.JSDocTag */, tagName, comment);
+            return node;
+        }
+        // @api
+        function updateJSDocUnknownTag(node, tagName, comment) {
+            return node.tagName !== tagName
+                || node.comment !== comment
+                ? update(createJSDocUnknownTag(tagName, comment), node)
+                : node;
+        }
+        // @api
+        function createJSDocText(text) {
+            var node = createBaseNode(321 /* SyntaxKind.JSDocText */);
+            node.text = text;
+            return node;
+        }
+        // @api
+        function updateJSDocText(node, text) {
+            return node.text !== text
+                ? update(createJSDocText(text), node)
+                : node;
+        }
+        // @api
+        function createJSDocComment(comment, tags) {
+            var node = createBaseNode(320 /* SyntaxKind.JSDoc */);
+            node.comment = comment;
+            node.tags = asNodeArray(tags);
+            return node;
+        }
+        // @api
+        function updateJSDocComment(node, comment, tags) {
+            return node.comment !== comment
+                || node.tags !== tags
+                ? update(createJSDocComment(comment, tags), node)
+                : node;
+        }
+        //
+        // JSX
+        //
+        // @api
+        function createJsxElement(openingElement, children, closingElement) {
+            var node = createBaseNode(278 /* SyntaxKind.JsxElement */);
+            node.openingElement = openingElement;
+            node.children = createNodeArray(children);
+            node.closingElement = closingElement;
+            node.transformFlags |=
+                propagateChildFlags(node.openingElement) |
+                    propagateChildrenFlags(node.children) |
+                    propagateChildFlags(node.closingElement) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxElement(node, openingElement, children, closingElement) {
+            return node.openingElement !== openingElement
+                || node.children !== children
+                || node.closingElement !== closingElement
+                ? update(createJsxElement(openingElement, children, closingElement), node)
+                : node;
+        }
+        // @api
+        function createJsxSelfClosingElement(tagName, typeArguments, attributes) {
+            var node = createBaseNode(279 /* SyntaxKind.JsxSelfClosingElement */);
+            node.tagName = tagName;
+            node.typeArguments = asNodeArray(typeArguments);
+            node.attributes = attributes;
+            node.transformFlags |=
+                propagateChildFlags(node.tagName) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    propagateChildFlags(node.attributes) |
+                    2 /* TransformFlags.ContainsJsx */;
+            if (node.typeArguments) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            return node;
+        }
+        // @api
+        function updateJsxSelfClosingElement(node, tagName, typeArguments, attributes) {
+            return node.tagName !== tagName
+                || node.typeArguments !== typeArguments
+                || node.attributes !== attributes
+                ? update(createJsxSelfClosingElement(tagName, typeArguments, attributes), node)
+                : node;
+        }
+        // @api
+        function createJsxOpeningElement(tagName, typeArguments, attributes) {
+            var node = createBaseNode(280 /* SyntaxKind.JsxOpeningElement */);
+            node.tagName = tagName;
+            node.typeArguments = asNodeArray(typeArguments);
+            node.attributes = attributes;
+            node.transformFlags |=
+                propagateChildFlags(node.tagName) |
+                    propagateChildrenFlags(node.typeArguments) |
+                    propagateChildFlags(node.attributes) |
+                    2 /* TransformFlags.ContainsJsx */;
+            if (typeArguments) {
+                node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+            }
+            return node;
+        }
+        // @api
+        function updateJsxOpeningElement(node, tagName, typeArguments, attributes) {
+            return node.tagName !== tagName
+                || node.typeArguments !== typeArguments
+                || node.attributes !== attributes
+                ? update(createJsxOpeningElement(tagName, typeArguments, attributes), node)
+                : node;
+        }
+        // @api
+        function createJsxClosingElement(tagName) {
+            var node = createBaseNode(281 /* SyntaxKind.JsxClosingElement */);
+            node.tagName = tagName;
+            node.transformFlags |=
+                propagateChildFlags(node.tagName) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxClosingElement(node, tagName) {
+            return node.tagName !== tagName
+                ? update(createJsxClosingElement(tagName), node)
+                : node;
+        }
+        // @api
+        function createJsxFragment(openingFragment, children, closingFragment) {
+            var node = createBaseNode(282 /* SyntaxKind.JsxFragment */);
+            node.openingFragment = openingFragment;
+            node.children = createNodeArray(children);
+            node.closingFragment = closingFragment;
+            node.transformFlags |=
+                propagateChildFlags(node.openingFragment) |
+                    propagateChildrenFlags(node.children) |
+                    propagateChildFlags(node.closingFragment) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxFragment(node, openingFragment, children, closingFragment) {
+            return node.openingFragment !== openingFragment
+                || node.children !== children
+                || node.closingFragment !== closingFragment
+                ? update(createJsxFragment(openingFragment, children, closingFragment), node)
+                : node;
+        }
+        // @api
+        function createJsxText(text, containsOnlyTriviaWhiteSpaces) {
+            var node = createBaseNode(11 /* SyntaxKind.JsxText */);
+            node.text = text;
+            node.containsOnlyTriviaWhiteSpaces = !!containsOnlyTriviaWhiteSpaces;
+            node.transformFlags |= 2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxText(node, text, containsOnlyTriviaWhiteSpaces) {
+            return node.text !== text
+                || node.containsOnlyTriviaWhiteSpaces !== containsOnlyTriviaWhiteSpaces
+                ? update(createJsxText(text, containsOnlyTriviaWhiteSpaces), node)
+                : node;
+        }
+        // @api
+        function createJsxOpeningFragment() {
+            var node = createBaseNode(283 /* SyntaxKind.JsxOpeningFragment */);
+            node.transformFlags |= 2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function createJsxJsxClosingFragment() {
+            var node = createBaseNode(284 /* SyntaxKind.JsxClosingFragment */);
+            node.transformFlags |= 2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function createJsxAttribute(name, initializer) {
+            var node = createBaseNode(285 /* SyntaxKind.JsxAttribute */);
+            node.name = name;
+            node.initializer = initializer;
+            node.transformFlags |=
+                propagateChildFlags(node.name) |
+                    propagateChildFlags(node.initializer) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxAttribute(node, name, initializer) {
+            return node.name !== name
+                || node.initializer !== initializer
+                ? update(createJsxAttribute(name, initializer), node)
+                : node;
+        }
+        // @api
+        function createJsxAttributes(properties) {
+            var node = createBaseNode(286 /* SyntaxKind.JsxAttributes */);
+            node.properties = createNodeArray(properties);
+            node.transformFlags |=
+                propagateChildrenFlags(node.properties) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxAttributes(node, properties) {
+            return node.properties !== properties
+                ? update(createJsxAttributes(properties), node)
+                : node;
+        }
+        // @api
+        function createJsxSpreadAttribute(expression) {
+            var node = createBaseNode(287 /* SyntaxKind.JsxSpreadAttribute */);
+            node.expression = expression;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxSpreadAttribute(node, expression) {
+            return node.expression !== expression
+                ? update(createJsxSpreadAttribute(expression), node)
+                : node;
+        }
+        // @api
+        function createJsxExpression(dotDotDotToken, expression) {
+            var node = createBaseNode(288 /* SyntaxKind.JsxExpression */);
+            node.dotDotDotToken = dotDotDotToken;
+            node.expression = expression;
+            node.transformFlags |=
+                propagateChildFlags(node.dotDotDotToken) |
+                    propagateChildFlags(node.expression) |
+                    2 /* TransformFlags.ContainsJsx */;
+            return node;
+        }
+        // @api
+        function updateJsxExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createJsxExpression(node.dotDotDotToken, expression), node)
+                : node;
+        }
+        //
+        // Clauses
+        //
+        // @api
+        function createCaseClause(expression, statements) {
+            var node = createBaseNode(289 /* SyntaxKind.CaseClause */);
+            node.expression = parenthesizerRules().parenthesizeExpressionForDisallowedComma(expression);
+            node.statements = createNodeArray(statements);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildrenFlags(node.statements);
+            return node;
+        }
+        // @api
+        function updateCaseClause(node, expression, statements) {
+            return node.expression !== expression
+                || node.statements !== statements
+                ? update(createCaseClause(expression, statements), node)
+                : node;
+        }
+        // @api
+        function createDefaultClause(statements) {
+            var node = createBaseNode(290 /* SyntaxKind.DefaultClause */);
+            node.statements = createNodeArray(statements);
+            node.transformFlags = propagateChildrenFlags(node.statements);
+            return node;
+        }
+        // @api
+        function updateDefaultClause(node, statements) {
+            return node.statements !== statements
+                ? update(createDefaultClause(statements), node)
+                : node;
+        }
+        // @api
+        function createHeritageClause(token, types) {
+            var node = createBaseNode(291 /* SyntaxKind.HeritageClause */);
+            node.token = token;
+            node.types = createNodeArray(types);
+            node.transformFlags |= propagateChildrenFlags(node.types);
+            switch (token) {
+                case 94 /* SyntaxKind.ExtendsKeyword */:
+                    node.transformFlags |= 1024 /* TransformFlags.ContainsES2015 */;
+                    break;
+                case 117 /* SyntaxKind.ImplementsKeyword */:
+                    node.transformFlags |= 1 /* TransformFlags.ContainsTypeScript */;
+                    break;
+                default:
+                    return ts.Debug.assertNever(token);
+            }
+            return node;
+        }
+        // @api
+        function updateHeritageClause(node, types) {
+            return node.types !== types
+                ? update(createHeritageClause(node.token, types), node)
+                : node;
+        }
+        // @api
+        function createCatchClause(variableDeclaration, block) {
+            var node = createBaseNode(292 /* SyntaxKind.CatchClause */);
+            if (typeof variableDeclaration === "string" || variableDeclaration && !ts.isVariableDeclaration(variableDeclaration)) {
+                variableDeclaration = createVariableDeclaration(variableDeclaration, 
+                /*exclamationToken*/ undefined, 
+                /*type*/ undefined, 
+                /*initializer*/ undefined);
+            }
+            node.variableDeclaration = variableDeclaration;
+            node.block = block;
+            node.transformFlags |=
+                propagateChildFlags(node.variableDeclaration) |
+                    propagateChildFlags(node.block);
+            if (!variableDeclaration)
+                node.transformFlags |= 64 /* TransformFlags.ContainsES2019 */;
+            return node;
+        }
+        // @api
+        function updateCatchClause(node, variableDeclaration, block) {
+            return node.variableDeclaration !== variableDeclaration
+                || node.block !== block
+                ? update(createCatchClause(variableDeclaration, block), node)
+                : node;
+        }
+        //
+        // Property assignments
+        //
+        // @api
+        function createPropertyAssignment(name, initializer) {
+            var node = createBaseNamedDeclaration(296 /* SyntaxKind.PropertyAssignment */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, name);
+            node.initializer = parenthesizerRules().parenthesizeExpressionForDisallowedComma(initializer);
+            node.transformFlags |=
+                propagateChildFlags(node.name) |
+                    propagateChildFlags(node.initializer);
+            return node;
+        }
+        function finishUpdatePropertyAssignment(updated, original) {
+            // copy children used only for error reporting
+            if (original.decorators)
+                updated.decorators = original.decorators;
+            if (original.modifiers)
+                updated.modifiers = original.modifiers;
+            if (original.questionToken)
+                updated.questionToken = original.questionToken;
+            if (original.exclamationToken)
+                updated.exclamationToken = original.exclamationToken;
+            return update(updated, original);
+        }
+        // @api
+        function updatePropertyAssignment(node, name, initializer) {
+            return node.name !== name
+                || node.initializer !== initializer
+                ? finishUpdatePropertyAssignment(createPropertyAssignment(name, initializer), node)
+                : node;
+        }
+        // @api
+        function createShorthandPropertyAssignment(name, objectAssignmentInitializer) {
+            var node = createBaseNamedDeclaration(297 /* SyntaxKind.ShorthandPropertyAssignment */, 
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, name);
+            node.objectAssignmentInitializer = objectAssignmentInitializer && parenthesizerRules().parenthesizeExpressionForDisallowedComma(objectAssignmentInitializer);
+            node.transformFlags |=
+                propagateChildFlags(node.objectAssignmentInitializer) |
+                    1024 /* TransformFlags.ContainsES2015 */;
+            return node;
+        }
+        function finishUpdateShorthandPropertyAssignment(updated, original) {
+            // copy children used only for error reporting
+            if (original.decorators)
+                updated.decorators = original.decorators;
+            if (original.modifiers)
+                updated.modifiers = original.modifiers;
+            if (original.equalsToken)
+                updated.equalsToken = original.equalsToken;
+            if (original.questionToken)
+                updated.questionToken = original.questionToken;
+            if (original.exclamationToken)
+                updated.exclamationToken = original.exclamationToken;
+            return update(updated, original);
+        }
+        // @api
+        function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) {
+            return node.name !== name
+                || node.objectAssignmentInitializer !== objectAssignmentInitializer
+                ? finishUpdateShorthandPropertyAssignment(createShorthandPropertyAssignment(name, objectAssignmentInitializer), node)
+                : node;
+        }
+        // @api
+        function createSpreadAssignment(expression) {
+            var node = createBaseNode(298 /* SyntaxKind.SpreadAssignment */);
+            node.expression = parenthesizerRules().parenthesizeExpressionForDisallowedComma(expression);
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    128 /* TransformFlags.ContainsES2018 */ |
+                    32768 /* TransformFlags.ContainsObjectRestOrSpread */;
+            return node;
+        }
+        // @api
+        function updateSpreadAssignment(node, expression) {
+            return node.expression !== expression
+                ? update(createSpreadAssignment(expression), node)
+                : node;
+        }
+        //
+        // Enum
+        //
+        // @api
+        function createEnumMember(name, initializer) {
+            var node = createBaseNode(299 /* SyntaxKind.EnumMember */);
+            node.name = asName(name);
+            node.initializer = initializer && parenthesizerRules().parenthesizeExpressionForDisallowedComma(initializer);
+            node.transformFlags |=
+                propagateChildFlags(node.name) |
+                    propagateChildFlags(node.initializer) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            return node;
+        }
+        // @api
+        function updateEnumMember(node, name, initializer) {
+            return node.name !== name
+                || node.initializer !== initializer
+                ? update(createEnumMember(name, initializer), node)
+                : node;
+        }
+        //
+        // Top-level nodes
+        //
+        // @api
+        function createSourceFile(statements, endOfFileToken, flags) {
+            var node = baseFactory.createBaseSourceFileNode(305 /* SyntaxKind.SourceFile */);
+            node.statements = createNodeArray(statements);
+            node.endOfFileToken = endOfFileToken;
+            node.flags |= flags;
+            node.fileName = "";
+            node.text = "";
+            node.languageVersion = 0;
+            node.languageVariant = 0;
+            node.scriptKind = 0;
+            node.isDeclarationFile = false;
+            node.hasNoDefaultLib = false;
+            node.transformFlags |=
+                propagateChildrenFlags(node.statements) |
+                    propagateChildFlags(node.endOfFileToken);
+            return node;
+        }
+        function cloneSourceFileWithChanges(source, statements, isDeclarationFile, referencedFiles, typeReferences, hasNoDefaultLib, libReferences) {
+            var node = (source.redirectInfo ? Object.create(source.redirectInfo.redirectTarget) : baseFactory.createBaseSourceFileNode(305 /* SyntaxKind.SourceFile */));
+            for (var p in source) {
+                if (p === "emitNode" || ts.hasProperty(node, p) || !ts.hasProperty(source, p))
+                    continue;
+                node[p] = source[p];
+            }
+            node.flags |= source.flags;
+            node.statements = createNodeArray(statements);
+            node.endOfFileToken = source.endOfFileToken;
+            node.isDeclarationFile = isDeclarationFile;
+            node.referencedFiles = referencedFiles;
+            node.typeReferenceDirectives = typeReferences;
+            node.hasNoDefaultLib = hasNoDefaultLib;
+            node.libReferenceDirectives = libReferences;
+            node.transformFlags =
+                propagateChildrenFlags(node.statements) |
+                    propagateChildFlags(node.endOfFileToken);
+            node.impliedNodeFormat = source.impliedNodeFormat;
+            return node;
+        }
+        // @api
+        function updateSourceFile(node, statements, isDeclarationFile, referencedFiles, typeReferenceDirectives, hasNoDefaultLib, libReferenceDirectives) {
+            if (isDeclarationFile === void 0) { isDeclarationFile = node.isDeclarationFile; }
+            if (referencedFiles === void 0) { referencedFiles = node.referencedFiles; }
+            if (typeReferenceDirectives === void 0) { typeReferenceDirectives = node.typeReferenceDirectives; }
+            if (hasNoDefaultLib === void 0) { hasNoDefaultLib = node.hasNoDefaultLib; }
+            if (libReferenceDirectives === void 0) { libReferenceDirectives = node.libReferenceDirectives; }
+            return node.statements !== statements
+                || node.isDeclarationFile !== isDeclarationFile
+                || node.referencedFiles !== referencedFiles
+                || node.typeReferenceDirectives !== typeReferenceDirectives
+                || node.hasNoDefaultLib !== hasNoDefaultLib
+                || node.libReferenceDirectives !== libReferenceDirectives
+                ? update(cloneSourceFileWithChanges(node, statements, isDeclarationFile, referencedFiles, typeReferenceDirectives, hasNoDefaultLib, libReferenceDirectives), node)
+                : node;
+        }
+        // @api
+        function createBundle(sourceFiles, prepends) {
+            if (prepends === void 0) { prepends = ts.emptyArray; }
+            var node = createBaseNode(306 /* SyntaxKind.Bundle */);
+            node.prepends = prepends;
+            node.sourceFiles = sourceFiles;
+            return node;
+        }
+        // @api
+        function updateBundle(node, sourceFiles, prepends) {
+            if (prepends === void 0) { prepends = ts.emptyArray; }
+            return node.sourceFiles !== sourceFiles
+                || node.prepends !== prepends
+                ? update(createBundle(sourceFiles, prepends), node)
+                : node;
+        }
+        // @api
+        function createUnparsedSource(prologues, syntheticReferences, texts) {
+            var node = createBaseNode(307 /* SyntaxKind.UnparsedSource */);
+            node.prologues = prologues;
+            node.syntheticReferences = syntheticReferences;
+            node.texts = texts;
+            node.fileName = "";
+            node.text = "";
+            node.referencedFiles = ts.emptyArray;
+            node.libReferenceDirectives = ts.emptyArray;
+            node.getLineAndCharacterOfPosition = function (pos) { return ts.getLineAndCharacterOfPosition(node, pos); };
+            return node;
+        }
+        function createBaseUnparsedNode(kind, data) {
+            var node = createBaseNode(kind);
+            node.data = data;
+            return node;
+        }
+        // @api
+        function createUnparsedPrologue(data) {
+            return createBaseUnparsedNode(300 /* SyntaxKind.UnparsedPrologue */, data);
+        }
+        // @api
+        function createUnparsedPrepend(data, texts) {
+            var node = createBaseUnparsedNode(301 /* SyntaxKind.UnparsedPrepend */, data);
+            node.texts = texts;
+            return node;
+        }
+        // @api
+        function createUnparsedTextLike(data, internal) {
+            return createBaseUnparsedNode(internal ? 303 /* SyntaxKind.UnparsedInternalText */ : 302 /* SyntaxKind.UnparsedText */, data);
+        }
+        // @api
+        function createUnparsedSyntheticReference(section) {
+            var node = createBaseNode(304 /* SyntaxKind.UnparsedSyntheticReference */);
+            node.data = section.data;
+            node.section = section;
+            return node;
+        }
+        // @api
+        function createInputFiles() {
+            var node = createBaseNode(308 /* SyntaxKind.InputFiles */);
+            node.javascriptText = "";
+            node.declarationText = "";
+            return node;
+        }
+        //
+        // Synthetic Nodes (used by checker)
+        //
+        // @api
+        function createSyntheticExpression(type, isSpread, tupleNameSource) {
+            if (isSpread === void 0) { isSpread = false; }
+            var node = createBaseNode(232 /* SyntaxKind.SyntheticExpression */);
+            node.type = type;
+            node.isSpread = isSpread;
+            node.tupleNameSource = tupleNameSource;
+            return node;
+        }
+        // @api
+        function createSyntaxList(children) {
+            var node = createBaseNode(348 /* SyntaxKind.SyntaxList */);
+            node._children = children;
+            return node;
+        }
+        //
+        // Transformation nodes
+        //
+        /**
+         * Creates a synthetic statement to act as a placeholder for a not-emitted statement in
+         * order to preserve comments.
+         *
+         * @param original The original statement.
+         */
+        // @api
+        function createNotEmittedStatement(original) {
+            var node = createBaseNode(349 /* SyntaxKind.NotEmittedStatement */);
+            node.original = original;
+            ts.setTextRange(node, original);
+            return node;
+        }
+        /**
+         * Creates a synthetic expression to act as a placeholder for a not-emitted expression in
+         * order to preserve comments or sourcemap positions.
+         *
+         * @param expression The inner expression to emit.
+         * @param original The original outer expression.
+         */
+        // @api
+        function createPartiallyEmittedExpression(expression, original) {
+            var node = createBaseNode(350 /* SyntaxKind.PartiallyEmittedExpression */);
+            node.expression = expression;
+            node.original = original;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    1 /* TransformFlags.ContainsTypeScript */;
+            ts.setTextRange(node, original);
+            return node;
+        }
+        // @api
+        function updatePartiallyEmittedExpression(node, expression) {
+            return node.expression !== expression
+                ? update(createPartiallyEmittedExpression(expression, node.original), node)
+                : node;
+        }
+        function flattenCommaElements(node) {
+            if (ts.nodeIsSynthesized(node) && !ts.isParseTreeNode(node) && !node.original && !node.emitNode && !node.id) {
+                if (ts.isCommaListExpression(node)) {
+                    return node.elements;
+                }
+                if (ts.isBinaryExpression(node) && ts.isCommaToken(node.operatorToken)) {
+                    return [node.left, node.right];
+                }
+            }
+            return node;
+        }
+        // @api
+        function createCommaListExpression(elements) {
+            var node = createBaseNode(351 /* SyntaxKind.CommaListExpression */);
+            node.elements = createNodeArray(ts.sameFlatMap(elements, flattenCommaElements));
+            node.transformFlags |= propagateChildrenFlags(node.elements);
+            return node;
+        }
+        // @api
+        function updateCommaListExpression(node, elements) {
+            return node.elements !== elements
+                ? update(createCommaListExpression(elements), node)
+                : node;
+        }
+        /**
+         * Creates a synthetic element to act as a placeholder for the end of an emitted declaration in
+         * order to properly emit exports.
+         */
+        // @api
+        function createEndOfDeclarationMarker(original) {
+            var node = createBaseNode(353 /* SyntaxKind.EndOfDeclarationMarker */);
+            node.emitNode = {};
+            node.original = original;
+            return node;
+        }
+        /**
+         * Creates a synthetic element to act as a placeholder for the beginning of a merged declaration in
+         * order to properly emit exports.
+         */
+        // @api
+        function createMergeDeclarationMarker(original) {
+            var node = createBaseNode(352 /* SyntaxKind.MergeDeclarationMarker */);
+            node.emitNode = {};
+            node.original = original;
+            return node;
+        }
+        // @api
+        function createSyntheticReferenceExpression(expression, thisArg) {
+            var node = createBaseNode(354 /* SyntaxKind.SyntheticReferenceExpression */);
+            node.expression = expression;
+            node.thisArg = thisArg;
+            node.transformFlags |=
+                propagateChildFlags(node.expression) |
+                    propagateChildFlags(node.thisArg);
+            return node;
+        }
+        // @api
+        function updateSyntheticReferenceExpression(node, expression, thisArg) {
+            return node.expression !== expression
+                || node.thisArg !== thisArg
+                ? update(createSyntheticReferenceExpression(expression, thisArg), node)
+                : node;
+        }
+        function cloneNode(node) {
+            // We don't use "clone" from core.ts here, as we need to preserve the prototype chain of
+            // the original node. We also need to exclude specific properties and only include own-
+            // properties (to skip members already defined on the shared prototype).
+            if (node === undefined) {
+                return node;
+            }
+            var clone = ts.isSourceFile(node) ? baseFactory.createBaseSourceFileNode(305 /* SyntaxKind.SourceFile */) :
+                ts.isIdentifier(node) ? baseFactory.createBaseIdentifierNode(79 /* SyntaxKind.Identifier */) :
+                    ts.isPrivateIdentifier(node) ? baseFactory.createBasePrivateIdentifierNode(80 /* SyntaxKind.PrivateIdentifier */) :
+                        !ts.isNodeKind(node.kind) ? baseFactory.createBaseTokenNode(node.kind) :
+                            baseFactory.createBaseNode(node.kind);
+            clone.flags |= (node.flags & ~8 /* NodeFlags.Synthesized */);
+            clone.transformFlags = node.transformFlags;
+            setOriginalNode(clone, node);
+            for (var key in node) {
+                if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) {
+                    continue;
+                }
+                clone[key] = node[key];
+            }
+            return clone;
+        }
+        function createImmediatelyInvokedFunctionExpression(statements, param, paramValue) {
+            return createCallExpression(createFunctionExpression(
+            /*modifiers*/ undefined, 
+            /*asteriskToken*/ undefined, 
+            /*name*/ undefined, 
+            /*typeParameters*/ undefined, 
+            /*parameters*/ param ? [param] : [], 
+            /*type*/ undefined, createBlock(statements, /*multiLine*/ true)), 
+            /*typeArguments*/ undefined, 
+            /*argumentsArray*/ paramValue ? [paramValue] : []);
+        }
+        function createImmediatelyInvokedArrowFunction(statements, param, paramValue) {
+            return createCallExpression(createArrowFunction(
+            /*modifiers*/ undefined, 
+            /*typeParameters*/ undefined, 
+            /*parameters*/ param ? [param] : [], 
+            /*type*/ undefined, 
+            /*equalsGreaterThanToken*/ undefined, createBlock(statements, /*multiLine*/ true)), 
+            /*typeArguments*/ undefined, 
+            /*argumentsArray*/ paramValue ? [paramValue] : []);
+        }
+        function createVoidZero() {
+            return createVoidExpression(createNumericLiteral("0"));
+        }
+        function createExportDefault(expression) {
+            return createExportAssignment(
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*isExportEquals*/ false, expression);
+        }
+        function createExternalModuleExport(exportName) {
+            return createExportDeclaration(
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*isTypeOnly*/ false, createNamedExports([
+                createExportSpecifier(/*isTypeOnly*/ false, /*propertyName*/ undefined, exportName)
+            ]));
+        }
+        //
+        // Utilities
+        //
+        function createTypeCheck(value, tag) {
+            return tag === "undefined"
+                ? factory.createStrictEquality(value, createVoidZero())
+                : factory.createStrictEquality(createTypeOfExpression(value), createStringLiteral(tag));
+        }
+        function createMethodCall(object, methodName, argumentsList) {
+            // Preserve the optionality of `object`.
+            if (ts.isCallChain(object)) {
+                return createCallChain(createPropertyAccessChain(object, /*questionDotToken*/ undefined, methodName), 
+                /*questionDotToken*/ undefined, 
+                /*typeArguments*/ undefined, argumentsList);
+            }
+            return createCallExpression(createPropertyAccessExpression(object, methodName), 
+            /*typeArguments*/ undefined, argumentsList);
+        }
+        function createFunctionBindCall(target, thisArg, argumentsList) {
+            return createMethodCall(target, "bind", __spreadArray([thisArg], argumentsList, true));
+        }
+        function createFunctionCallCall(target, thisArg, argumentsList) {
+            return createMethodCall(target, "call", __spreadArray([thisArg], argumentsList, true));
+        }
+        function createFunctionApplyCall(target, thisArg, argumentsExpression) {
+            return createMethodCall(target, "apply", [thisArg, argumentsExpression]);
+        }
+        function createGlobalMethodCall(globalObjectName, methodName, argumentsList) {
+            return createMethodCall(createIdentifier(globalObjectName), methodName, argumentsList);
+        }
+        function createArraySliceCall(array, start) {
+            return createMethodCall(array, "slice", start === undefined ? [] : [asExpression(start)]);
+        }
+        function createArrayConcatCall(array, argumentsList) {
+            return createMethodCall(array, "concat", argumentsList);
+        }
+        function createObjectDefinePropertyCall(target, propertyName, attributes) {
+            return createGlobalMethodCall("Object", "defineProperty", [target, asExpression(propertyName), attributes]);
+        }
+        function createReflectGetCall(target, propertyKey, receiver) {
+            return createGlobalMethodCall("Reflect", "get", receiver ? [target, propertyKey, receiver] : [target, propertyKey]);
+        }
+        function createReflectSetCall(target, propertyKey, value, receiver) {
+            return createGlobalMethodCall("Reflect", "set", receiver ? [target, propertyKey, value, receiver] : [target, propertyKey, value]);
+        }
+        function tryAddPropertyAssignment(properties, propertyName, expression) {
+            if (expression) {
+                properties.push(createPropertyAssignment(propertyName, expression));
+                return true;
+            }
+            return false;
+        }
+        function createPropertyDescriptor(attributes, singleLine) {
+            var properties = [];
+            tryAddPropertyAssignment(properties, "enumerable", asExpression(attributes.enumerable));
+            tryAddPropertyAssignment(properties, "configurable", asExpression(attributes.configurable));
+            var isData = tryAddPropertyAssignment(properties, "writable", asExpression(attributes.writable));
+            isData = tryAddPropertyAssignment(properties, "value", attributes.value) || isData;
+            var isAccessor = tryAddPropertyAssignment(properties, "get", attributes.get);
+            isAccessor = tryAddPropertyAssignment(properties, "set", attributes.set) || isAccessor;
+            ts.Debug.assert(!(isData && isAccessor), "A PropertyDescriptor may not be both an accessor descriptor and a data descriptor.");
+            return createObjectLiteralExpression(properties, !singleLine);
+        }
+        function updateOuterExpression(outerExpression, expression) {
+            switch (outerExpression.kind) {
+                case 212 /* SyntaxKind.ParenthesizedExpression */: return updateParenthesizedExpression(outerExpression, expression);
+                case 211 /* SyntaxKind.TypeAssertionExpression */: return updateTypeAssertion(outerExpression, outerExpression.type, expression);
+                case 229 /* SyntaxKind.AsExpression */: return updateAsExpression(outerExpression, expression, outerExpression.type);
+                case 230 /* SyntaxKind.NonNullExpression */: return updateNonNullExpression(outerExpression, expression);
+                case 350 /* SyntaxKind.PartiallyEmittedExpression */: return updatePartiallyEmittedExpression(outerExpression, expression);
+            }
+        }
+        /**
+         * Determines whether a node is a parenthesized expression that can be ignored when recreating outer expressions.
+         *
+         * A parenthesized expression can be ignored when all of the following are true:
+         *
+         * - It's `pos` and `end` are not -1
+         * - It does not have a custom source map range
+         * - It does not have a custom comment range
+         * - It does not have synthetic leading or trailing comments
+         *
+         * If an outermost parenthesized expression is ignored, but the containing expression requires a parentheses around
+         * the expression to maintain precedence, a new parenthesized expression should be created automatically when
+         * the containing expression is created/updated.
+         */
+        function isIgnorableParen(node) {
+            return ts.isParenthesizedExpression(node)
+                && ts.nodeIsSynthesized(node)
+                && ts.nodeIsSynthesized(ts.getSourceMapRange(node))
+                && ts.nodeIsSynthesized(ts.getCommentRange(node))
+                && !ts.some(ts.getSyntheticLeadingComments(node))
+                && !ts.some(ts.getSyntheticTrailingComments(node));
+        }
+        function restoreOuterExpressions(outerExpression, innerExpression, kinds) {
+            if (kinds === void 0) { kinds = 15 /* OuterExpressionKinds.All */; }
+            if (outerExpression && ts.isOuterExpression(outerExpression, kinds) && !isIgnorableParen(outerExpression)) {
+                return updateOuterExpression(outerExpression, restoreOuterExpressions(outerExpression.expression, innerExpression));
+            }
+            return innerExpression;
+        }
+        function restoreEnclosingLabel(node, outermostLabeledStatement, afterRestoreLabelCallback) {
+            if (!outermostLabeledStatement) {
+                return node;
+            }
+            var updated = updateLabeledStatement(outermostLabeledStatement, outermostLabeledStatement.label, ts.isLabeledStatement(outermostLabeledStatement.statement)
+                ? restoreEnclosingLabel(node, outermostLabeledStatement.statement)
+                : node);
+            if (afterRestoreLabelCallback) {
+                afterRestoreLabelCallback(outermostLabeledStatement);
+            }
+            return updated;
+        }
+        function shouldBeCapturedInTempVariable(node, cacheIdentifiers) {
+            var target = ts.skipParentheses(node);
+            switch (target.kind) {
+                case 79 /* SyntaxKind.Identifier */:
+                    return cacheIdentifiers;
+                case 108 /* SyntaxKind.ThisKeyword */:
+                case 8 /* SyntaxKind.NumericLiteral */:
+                case 9 /* SyntaxKind.BigIntLiteral */:
+                case 10 /* SyntaxKind.StringLiteral */:
+                    return false;
+                case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                    var elements = target.elements;
+                    if (elements.length === 0) {
+                        return false;
+                    }
+                    return true;
+                case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                    return target.properties.length > 0;
+                default:
+                    return true;
+            }
+        }
+        function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) {
+            if (cacheIdentifiers === void 0) { cacheIdentifiers = false; }
+            var callee = ts.skipOuterExpressions(expression, 15 /* OuterExpressionKinds.All */);
+            var thisArg;
+            var target;
+            if (ts.isSuperProperty(callee)) {
+                thisArg = createThis();
+                target = callee;
+            }
+            else if (ts.isSuperKeyword(callee)) {
+                thisArg = createThis();
+                target = languageVersion !== undefined && languageVersion < 2 /* ScriptTarget.ES2015 */
+                    ? ts.setTextRange(createIdentifier("_super"), callee)
+                    : callee;
+            }
+            else if (ts.getEmitFlags(callee) & 4096 /* EmitFlags.HelperName */) {
+                thisArg = createVoidZero();
+                target = parenthesizerRules().parenthesizeLeftSideOfAccess(callee);
+            }
+            else if (ts.isPropertyAccessExpression(callee)) {
+                if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
+                    // for `a.b()` target is `(_a = a).b` and thisArg is `_a`
+                    thisArg = createTempVariable(recordTempVariable);
+                    target = createPropertyAccessExpression(ts.setTextRange(factory.createAssignment(thisArg, callee.expression), callee.expression), callee.name);
+                    ts.setTextRange(target, callee);
+                }
+                else {
+                    thisArg = callee.expression;
+                    target = callee;
+                }
+            }
+            else if (ts.isElementAccessExpression(callee)) {
+                if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
+                    // for `a[b]()` target is `(_a = a)[b]` and thisArg is `_a`
+                    thisArg = createTempVariable(recordTempVariable);
+                    target = createElementAccessExpression(ts.setTextRange(factory.createAssignment(thisArg, callee.expression), callee.expression), callee.argumentExpression);
+                    ts.setTextRange(target, callee);
+                }
+                else {
+                    thisArg = callee.expression;
+                    target = callee;
+                }
+            }
+            else {
+                // for `a()` target is `a` and thisArg is `void 0`
+                thisArg = createVoidZero();
+                target = parenthesizerRules().parenthesizeLeftSideOfAccess(expression);
+            }
+            return { target: target, thisArg: thisArg };
+        }
+        function createAssignmentTargetWrapper(paramName, expression) {
+            return createPropertyAccessExpression(
+            // Explicit parens required because of v8 regression (https://bugs.chromium.org/p/v8/issues/detail?id=9560)
+            createParenthesizedExpression(createObjectLiteralExpression([
+                createSetAccessorDeclaration(
+                /*decorators*/ undefined, 
+                /*modifiers*/ undefined, "value", [createParameterDeclaration(
+                    /*decorators*/ undefined, 
+                    /*modifiers*/ undefined, 
+                    /*dotDotDotToken*/ undefined, paramName, 
+                    /*questionToken*/ undefined, 
+                    /*type*/ undefined, 
+                    /*initializer*/ undefined)], createBlock([
+                    createExpressionStatement(expression)
+                ]))
+            ])), "value");
+        }
+        function inlineExpressions(expressions) {
+            // Avoid deeply nested comma expressions as traversing them during emit can result in "Maximum call
+            // stack size exceeded" errors.
+            return expressions.length > 10
+                ? createCommaListExpression(expressions)
+                : ts.reduceLeft(expressions, factory.createComma);
+        }
+        function getName(node, allowComments, allowSourceMaps, emitFlags) {
+            if (emitFlags === void 0) { emitFlags = 0; }
+            var nodeName = ts.getNameOfDeclaration(node);
+            if (nodeName && ts.isIdentifier(nodeName) && !ts.isGeneratedIdentifier(nodeName)) {
+                // TODO(rbuckton): Does this need to be parented?
+                var name = ts.setParent(ts.setTextRange(cloneNode(nodeName), nodeName), nodeName.parent);
+                emitFlags |= ts.getEmitFlags(nodeName);
+                if (!allowSourceMaps)
+                    emitFlags |= 48 /* EmitFlags.NoSourceMap */;
+                if (!allowComments)
+                    emitFlags |= 1536 /* EmitFlags.NoComments */;
+                if (emitFlags)
+                    ts.setEmitFlags(name, emitFlags);
+                return name;
+            }
+            return getGeneratedNameForNode(node);
+        }
+        /**
+         * Gets the internal name of a declaration. This is primarily used for declarations that can be
+         * referred to by name in the body of an ES5 class function body. An internal name will *never*
+         * be prefixed with an module or namespace export modifier like "exports." when emitted as an
+         * expression. An internal name will also *never* be renamed due to a collision with a block
+         * scoped variable.
+         *
+         * @param node The declaration.
+         * @param allowComments A value indicating whether comments may be emitted for the name.
+         * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
+         */
+        function getInternalName(node, allowComments, allowSourceMaps) {
+            return getName(node, allowComments, allowSourceMaps, 16384 /* EmitFlags.LocalName */ | 32768 /* EmitFlags.InternalName */);
+        }
+        /**
+         * Gets the local name of a declaration. This is primarily used for declarations that can be
+         * referred to by name in the declaration's immediate scope (classes, enums, namespaces). A
+         * local name will *never* be prefixed with an module or namespace export modifier like
+         * "exports." when emitted as an expression.
+         *
+         * @param node The declaration.
+         * @param allowComments A value indicating whether comments may be emitted for the name.
+         * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
+         */
+        function getLocalName(node, allowComments, allowSourceMaps) {
+            return getName(node, allowComments, allowSourceMaps, 16384 /* EmitFlags.LocalName */);
+        }
+        /**
+         * Gets the export name of a declaration. This is primarily used for declarations that can be
+         * referred to by name in the declaration's immediate scope (classes, enums, namespaces). An
+         * export name will *always* be prefixed with an module or namespace export modifier like
+         * `"exports."` when emitted as an expression if the name points to an exported symbol.
+         *
+         * @param node The declaration.
+         * @param allowComments A value indicating whether comments may be emitted for the name.
+         * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
+         */
+        function getExportName(node, allowComments, allowSourceMaps) {
+            return getName(node, allowComments, allowSourceMaps, 8192 /* EmitFlags.ExportName */);
+        }
+        /**
+         * Gets the name of a declaration for use in declarations.
+         *
+         * @param node The declaration.
+         * @param allowComments A value indicating whether comments may be emitted for the name.
+         * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
+         */
+        function getDeclarationName(node, allowComments, allowSourceMaps) {
+            return getName(node, allowComments, allowSourceMaps);
+        }
+        /**
+         * Gets a namespace-qualified name for use in expressions.
+         *
+         * @param ns The namespace identifier.
+         * @param name The name.
+         * @param allowComments A value indicating whether comments may be emitted for the name.
+         * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
+         */
+        function getNamespaceMemberName(ns, name, allowComments, allowSourceMaps) {
+            var qualifiedName = createPropertyAccessExpression(ns, ts.nodeIsSynthesized(name) ? name : cloneNode(name));
+            ts.setTextRange(qualifiedName, name);
+            var emitFlags = 0;
+            if (!allowSourceMaps)
+                emitFlags |= 48 /* EmitFlags.NoSourceMap */;
+            if (!allowComments)
+                emitFlags |= 1536 /* EmitFlags.NoComments */;
+            if (emitFlags)
+                ts.setEmitFlags(qualifiedName, emitFlags);
+            return qualifiedName;
+        }
+        /**
+         * Gets the exported name of a declaration for use in expressions.
+         *
+         * An exported name will *always* be prefixed with an module or namespace export modifier like
+         * "exports." if the name points to an exported symbol.
+         *
+         * @param ns The namespace identifier.
+         * @param node The declaration.
+         * @param allowComments A value indicating whether comments may be emitted for the name.
+         * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
+         */
+        function getExternalModuleOrNamespaceExportName(ns, node, allowComments, allowSourceMaps) {
+            if (ns && ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) {
+                return getNamespaceMemberName(ns, getName(node), allowComments, allowSourceMaps);
+            }
+            return getExportName(node, allowComments, allowSourceMaps);
+        }
+        /**
+         * Copies any necessary standard and custom prologue-directives into target array.
+         * @param source origin statements array
+         * @param target result statements array
+         * @param ensureUseStrict boolean determining whether the function need to add prologue-directives
+         * @param visitor Optional callback used to visit any custom prologue directives.
+         */
+        function copyPrologue(source, target, ensureUseStrict, visitor) {
+            var offset = copyStandardPrologue(source, target, 0, ensureUseStrict);
+            return copyCustomPrologue(source, target, offset, visitor);
+        }
+        function isUseStrictPrologue(node) {
+            return ts.isStringLiteral(node.expression) && node.expression.text === "use strict";
+        }
+        function createUseStrictPrologue() {
+            return ts.startOnNewLine(createExpressionStatement(createStringLiteral("use strict")));
+        }
+        /**
+         * Copies only the standard (string-expression) prologue-directives into the target statement-array.
+         * @param source origin statements array
+         * @param target result statements array
+         * @param statementOffset The offset at which to begin the copy.
+         * @param ensureUseStrict boolean determining whether the function need to add prologue-directives
+         * @returns Count of how many directive statements were copied.
+         */
+        function copyStandardPrologue(source, target, statementOffset, ensureUseStrict) {
+            if (statementOffset === void 0) { statementOffset = 0; }
+            ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array");
+            var foundUseStrict = false;
+            var numStatements = source.length;
+            while (statementOffset < numStatements) {
+                var statement = source[statementOffset];
+                if (ts.isPrologueDirective(statement)) {
+                    if (isUseStrictPrologue(statement)) {
+                        foundUseStrict = true;
+                    }
+                    target.push(statement);
+                }
+                else {
+                    break;
+                }
+                statementOffset++;
+            }
+            if (ensureUseStrict && !foundUseStrict) {
+                target.push(createUseStrictPrologue());
+            }
+            return statementOffset;
+        }
+        function copyCustomPrologue(source, target, statementOffset, visitor, filter) {
+            if (filter === void 0) { filter = ts.returnTrue; }
+            var numStatements = source.length;
+            while (statementOffset !== undefined && statementOffset < numStatements) {
+                var statement = source[statementOffset];
+                if (ts.getEmitFlags(statement) & 1048576 /* EmitFlags.CustomPrologue */ && filter(statement)) {
+                    ts.append(target, visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement);
+                }
+                else {
+                    break;
+                }
+                statementOffset++;
+            }
+            return statementOffset;
+        }
+        /**
+         * Ensures "use strict" directive is added
+         *
+         * @param statements An array of statements
+         */
+        function ensureUseStrict(statements) {
+            var foundUseStrict = ts.findUseStrictPrologue(statements);
+            if (!foundUseStrict) {
+                return ts.setTextRange(createNodeArray(__spreadArray([createUseStrictPrologue()], statements, true)), statements);
+            }
+            return statements;
+        }
+        /**
+         * Lifts a NodeArray containing only Statement nodes to a block.
+         *
+         * @param nodes The NodeArray.
+         */
+        function liftToBlock(nodes) {
+            ts.Debug.assert(ts.every(nodes, ts.isStatementOrBlock), "Cannot lift nodes to a Block.");
+            return ts.singleOrUndefined(nodes) || createBlock(nodes);
+        }
+        function findSpanEnd(array, test, start) {
+            var i = start;
+            while (i < array.length && test(array[i])) {
+                i++;
+            }
+            return i;
+        }
+        function mergeLexicalEnvironment(statements, declarations) {
+            if (!ts.some(declarations)) {
+                return statements;
+            }
+            // When we merge new lexical statements into an existing statement list, we merge them in the following manner:
+            //
+            // Given:
+            //
+            // | Left                               | Right                               |
+            // |------------------------------------|-------------------------------------|
+            // | [standard prologues (left)]        | [standard prologues (right)]        |
+            // | [hoisted functions (left)]         | [hoisted functions (right)]         |
+            // | [hoisted variables (left)]         | [hoisted variables (right)]         |
+            // | [lexical init statements (left)]   | [lexical init statements (right)]   |
+            // | [other statements (left)]          |                                     |
+            //
+            // The resulting statement list will be:
+            //
+            // | Result                              |
+            // |-------------------------------------|
+            // | [standard prologues (right)]        |
+            // | [standard prologues (left)]         |
+            // | [hoisted functions (right)]         |
+            // | [hoisted functions (left)]          |
+            // | [hoisted variables (right)]         |
+            // | [hoisted variables (left)]          |
+            // | [lexical init statements (right)]   |
+            // | [lexical init statements (left)]    |
+            // | [other statements (left)]           |
+            //
+            // NOTE: It is expected that new lexical init statements must be evaluated before existing lexical init statements,
+            // as the prior transformation may depend on the evaluation of the lexical init statements to be in the correct state.
+            // find standard prologues on left in the following order: standard directives, hoisted functions, hoisted variables, other custom
+            var leftStandardPrologueEnd = findSpanEnd(statements, ts.isPrologueDirective, 0);
+            var leftHoistedFunctionsEnd = findSpanEnd(statements, ts.isHoistedFunction, leftStandardPrologueEnd);
+            var leftHoistedVariablesEnd = findSpanEnd(statements, ts.isHoistedVariableStatement, leftHoistedFunctionsEnd);
+            // find standard prologues on right in the following order: standard directives, hoisted functions, hoisted variables, other custom
+            var rightStandardPrologueEnd = findSpanEnd(declarations, ts.isPrologueDirective, 0);
+            var rightHoistedFunctionsEnd = findSpanEnd(declarations, ts.isHoistedFunction, rightStandardPrologueEnd);
+            var rightHoistedVariablesEnd = findSpanEnd(declarations, ts.isHoistedVariableStatement, rightHoistedFunctionsEnd);
+            var rightCustomPrologueEnd = findSpanEnd(declarations, ts.isCustomPrologue, rightHoistedVariablesEnd);
+            ts.Debug.assert(rightCustomPrologueEnd === declarations.length, "Expected declarations to be valid standard or custom prologues");
+            // splice prologues from the right into the left. We do this in reverse order
+            // so that we don't need to recompute the index on the left when we insert items.
+            var left = ts.isNodeArray(statements) ? statements.slice() : statements;
+            // splice other custom prologues from right into left
+            if (rightCustomPrologueEnd > rightHoistedVariablesEnd) {
+                left.splice.apply(left, __spreadArray([leftHoistedVariablesEnd, 0], declarations.slice(rightHoistedVariablesEnd, rightCustomPrologueEnd), false));
+            }
+            // splice hoisted variables from right into left
+            if (rightHoistedVariablesEnd > rightHoistedFunctionsEnd) {
+                left.splice.apply(left, __spreadArray([leftHoistedFunctionsEnd, 0], declarations.slice(rightHoistedFunctionsEnd, rightHoistedVariablesEnd), false));
+            }
+            // splice hoisted functions from right into left
+            if (rightHoistedFunctionsEnd > rightStandardPrologueEnd) {
+                left.splice.apply(left, __spreadArray([leftStandardPrologueEnd, 0], declarations.slice(rightStandardPrologueEnd, rightHoistedFunctionsEnd), false));
+            }
+            // splice standard prologues from right into left (that are not already in left)
+            if (rightStandardPrologueEnd > 0) {
+                if (leftStandardPrologueEnd === 0) {
+                    left.splice.apply(left, __spreadArray([0, 0], declarations.slice(0, rightStandardPrologueEnd), false));
+                }
+                else {
+                    var leftPrologues = new ts.Map();
+                    for (var i = 0; i < leftStandardPrologueEnd; i++) {
+                        var leftPrologue = statements[i];
+                        leftPrologues.set(leftPrologue.expression.text, true);
+                    }
+                    for (var i = rightStandardPrologueEnd - 1; i >= 0; i--) {
+                        var rightPrologue = declarations[i];
+                        if (!leftPrologues.has(rightPrologue.expression.text)) {
+                            left.unshift(rightPrologue);
+                        }
+                    }
+                }
+            }
+            if (ts.isNodeArray(statements)) {
+                return ts.setTextRange(createNodeArray(left, statements.hasTrailingComma), statements);
+            }
+            return statements;
+        }
+        function updateModifiers(node, modifiers) {
+            var _a;
+            var modifierArray;
+            if (typeof modifiers === "number") {
+                modifierArray = createModifiersFromModifierFlags(modifiers);
+            }
+            else {
+                modifierArray = modifiers;
+            }
+            return ts.isParameter(node) ? updateParameterDeclaration(node, node.decorators, modifierArray, node.dotDotDotToken, node.name, node.questionToken, node.type, node.initializer) :
+                ts.isPropertySignature(node) ? updatePropertySignature(node, modifierArray, node.name, node.questionToken, node.type) :
+                    ts.isPropertyDeclaration(node) ? updatePropertyDeclaration(node, node.decorators, modifierArray, node.name, (_a = node.questionToken) !== null && _a !== void 0 ? _a : node.exclamationToken, node.type, node.initializer) :
+                        ts.isMethodSignature(node) ? updateMethodSignature(node, modifierArray, node.name, node.questionToken, node.typeParameters, node.parameters, node.type) :
+                            ts.isMethodDeclaration(node) ? updateMethodDeclaration(node, node.decorators, modifierArray, node.asteriskToken, node.name, node.questionToken, node.typeParameters, node.parameters, node.type, node.body) :
+                                ts.isConstructorDeclaration(node) ? updateConstructorDeclaration(node, node.decorators, modifierArray, node.parameters, node.body) :
+                                    ts.isGetAccessorDeclaration(node) ? updateGetAccessorDeclaration(node, node.decorators, modifierArray, node.name, node.parameters, node.type, node.body) :
+                                        ts.isSetAccessorDeclaration(node) ? updateSetAccessorDeclaration(node, node.decorators, modifierArray, node.name, node.parameters, node.body) :
+                                            ts.isIndexSignatureDeclaration(node) ? updateIndexSignature(node, node.decorators, modifierArray, node.parameters, node.type) :
+                                                ts.isFunctionExpression(node) ? updateFunctionExpression(node, modifierArray, node.asteriskToken, node.name, node.typeParameters, node.parameters, node.type, node.body) :
+                                                    ts.isArrowFunction(node) ? updateArrowFunction(node, modifierArray, node.typeParameters, node.parameters, node.type, node.equalsGreaterThanToken, node.body) :
+                                                        ts.isClassExpression(node) ? updateClassExpression(node, node.decorators, modifierArray, node.name, node.typeParameters, node.heritageClauses, node.members) :
+                                                            ts.isVariableStatement(node) ? updateVariableStatement(node, modifierArray, node.declarationList) :
+                                                                ts.isFunctionDeclaration(node) ? updateFunctionDeclaration(node, node.decorators, modifierArray, node.asteriskToken, node.name, node.typeParameters, node.parameters, node.type, node.body) :
+                                                                    ts.isClassDeclaration(node) ? updateClassDeclaration(node, node.decorators, modifierArray, node.name, node.typeParameters, node.heritageClauses, node.members) :
+                                                                        ts.isInterfaceDeclaration(node) ? updateInterfaceDeclaration(node, node.decorators, modifierArray, node.name, node.typeParameters, node.heritageClauses, node.members) :
+                                                                            ts.isTypeAliasDeclaration(node) ? updateTypeAliasDeclaration(node, node.decorators, modifierArray, node.name, node.typeParameters, node.type) :
+                                                                                ts.isEnumDeclaration(node) ? updateEnumDeclaration(node, node.decorators, modifierArray, node.name, node.members) :
+                                                                                    ts.isModuleDeclaration(node) ? updateModuleDeclaration(node, node.decorators, modifierArray, node.name, node.body) :
+                                                                                        ts.isImportEqualsDeclaration(node) ? updateImportEqualsDeclaration(node, node.decorators, modifierArray, node.isTypeOnly, node.name, node.moduleReference) :
+                                                                                            ts.isImportDeclaration(node) ? updateImportDeclaration(node, node.decorators, modifierArray, node.importClause, node.moduleSpecifier, node.assertClause) :
+                                                                                                ts.isExportAssignment(node) ? updateExportAssignment(node, node.decorators, modifierArray, node.expression) :
+                                                                                                    ts.isExportDeclaration(node) ? updateExportDeclaration(node, node.decorators, modifierArray, node.isTypeOnly, node.exportClause, node.moduleSpecifier, node.assertClause) :
+                                                                                                        ts.Debug.assertNever(node);
+        }
+        function asNodeArray(array) {
+            return array ? createNodeArray(array) : undefined;
+        }
+        function asName(name) {
+            return typeof name === "string" ? createIdentifier(name) :
+                name;
+        }
+        function asExpression(value) {
+            return typeof value === "string" ? createStringLiteral(value) :
+                typeof value === "number" ? createNumericLiteral(value) :
+                    typeof value === "boolean" ? value ? createTrue() : createFalse() :
+                        value;
+        }
+        function asToken(value) {
+            return typeof value === "number" ? createToken(value) : value;
+        }
+        function asEmbeddedStatement(statement) {
+            return statement && ts.isNotEmittedStatement(statement) ? ts.setTextRange(setOriginalNode(createEmptyStatement(), statement), statement) : statement;
+        }
+    }
+    ts.createNodeFactory = createNodeFactory;
+    function updateWithoutOriginal(updated, original) {
+        if (updated !== original) {
+            ts.setTextRange(updated, original);
+        }
+        return updated;
+    }
+    function updateWithOriginal(updated, original) {
+        if (updated !== original) {
+            setOriginalNode(updated, original);
+            ts.setTextRange(updated, original);
+        }
+        return updated;
+    }
+    function getDefaultTagNameForKind(kind) {
+        switch (kind) {
+            case 343 /* SyntaxKind.JSDocTypeTag */: return "type";
+            case 341 /* SyntaxKind.JSDocReturnTag */: return "returns";
+            case 342 /* SyntaxKind.JSDocThisTag */: return "this";
+            case 339 /* SyntaxKind.JSDocEnumTag */: return "enum";
+            case 330 /* SyntaxKind.JSDocAuthorTag */: return "author";
+            case 332 /* SyntaxKind.JSDocClassTag */: return "class";
+            case 333 /* SyntaxKind.JSDocPublicTag */: return "public";
+            case 334 /* SyntaxKind.JSDocPrivateTag */: return "private";
+            case 335 /* SyntaxKind.JSDocProtectedTag */: return "protected";
+            case 336 /* SyntaxKind.JSDocReadonlyTag */: return "readonly";
+            case 337 /* SyntaxKind.JSDocOverrideTag */: return "override";
+            case 344 /* SyntaxKind.JSDocTemplateTag */: return "template";
+            case 345 /* SyntaxKind.JSDocTypedefTag */: return "typedef";
+            case 340 /* SyntaxKind.JSDocParameterTag */: return "param";
+            case 347 /* SyntaxKind.JSDocPropertyTag */: return "prop";
+            case 338 /* SyntaxKind.JSDocCallbackTag */: return "callback";
+            case 328 /* SyntaxKind.JSDocAugmentsTag */: return "augments";
+            case 329 /* SyntaxKind.JSDocImplementsTag */: return "implements";
+            default:
+                return ts.Debug.fail("Unsupported kind: ".concat(ts.Debug.formatSyntaxKind(kind)));
+        }
+    }
+    var rawTextScanner;
+    var invalidValueSentinel = {};
+    function getCookedText(kind, rawText) {
+        if (!rawTextScanner) {
+            rawTextScanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ false, 0 /* LanguageVariant.Standard */);
+        }
+        switch (kind) {
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+                rawTextScanner.setText("`" + rawText + "`");
+                break;
+            case 15 /* SyntaxKind.TemplateHead */:
+                // tslint:disable-next-line no-invalid-template-strings
+                rawTextScanner.setText("`" + rawText + "${");
+                break;
+            case 16 /* SyntaxKind.TemplateMiddle */:
+                // tslint:disable-next-line no-invalid-template-strings
+                rawTextScanner.setText("}" + rawText + "${");
+                break;
+            case 17 /* SyntaxKind.TemplateTail */:
+                rawTextScanner.setText("}" + rawText + "`");
+                break;
+        }
+        var token = rawTextScanner.scan();
+        if (token === 19 /* SyntaxKind.CloseBraceToken */) {
+            token = rawTextScanner.reScanTemplateToken(/*isTaggedTemplate*/ false);
+        }
+        if (rawTextScanner.isUnterminated()) {
+            rawTextScanner.setText(undefined);
+            return invalidValueSentinel;
+        }
+        var tokenValue;
+        switch (token) {
+            case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+            case 15 /* SyntaxKind.TemplateHead */:
+            case 16 /* SyntaxKind.TemplateMiddle */:
+            case 17 /* SyntaxKind.TemplateTail */:
+                tokenValue = rawTextScanner.getTokenValue();
+                break;
+        }
+        if (tokenValue === undefined || rawTextScanner.scan() !== 1 /* SyntaxKind.EndOfFileToken */) {
+            rawTextScanner.setText(undefined);
+            return invalidValueSentinel;
+        }
+        rawTextScanner.setText(undefined);
+        return tokenValue;
+    }
+    function propagateIdentifierNameFlags(node) {
+        // An IdentifierName is allowed to be `await`
+        return propagateChildFlags(node) & ~16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */;
+    }
+    function propagatePropertyNameFlagsOfChild(node, transformFlags) {
+        return transformFlags | (node.transformFlags & 33562624 /* TransformFlags.PropertyNamePropagatingFlags */);
+    }
+    function propagateChildFlags(child) {
+        if (!child)
+            return 0 /* TransformFlags.None */;
+        var childFlags = child.transformFlags & ~getTransformFlagsSubtreeExclusions(child.kind);
+        return ts.isNamedDeclaration(child) && ts.isPropertyName(child.name) ? propagatePropertyNameFlagsOfChild(child.name, childFlags) : childFlags;
+    }
+    function propagateChildrenFlags(children) {
+        return children ? children.transformFlags : 0 /* TransformFlags.None */;
+    }
+    function aggregateChildrenFlags(children) {
+        var subtreeFlags = 0 /* TransformFlags.None */;
+        for (var _i = 0, children_2 = children; _i < children_2.length; _i++) {
+            var child = children_2[_i];
+            subtreeFlags |= propagateChildFlags(child);
+        }
+        children.transformFlags = subtreeFlags;
+    }
+    /**
+     * Gets the transform flags to exclude when unioning the transform flags of a subtree.
+     */
+    /* @internal */
+    function getTransformFlagsSubtreeExclusions(kind) {
+        if (kind >= 177 /* SyntaxKind.FirstTypeNode */ && kind <= 200 /* SyntaxKind.LastTypeNode */) {
+            return -2 /* TransformFlags.TypeExcludes */;
+        }
+        switch (kind) {
+            case 208 /* SyntaxKind.CallExpression */:
+            case 209 /* SyntaxKind.NewExpression */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                return 536887296 /* TransformFlags.ArrayLiteralOrCallOrNewExcludes */;
+            case 261 /* SyntaxKind.ModuleDeclaration */:
+                return 589443072 /* TransformFlags.ModuleExcludes */;
+            case 164 /* SyntaxKind.Parameter */:
+                return 536870912 /* TransformFlags.ParameterExcludes */;
+            case 214 /* SyntaxKind.ArrowFunction */:
+                return 557748224 /* TransformFlags.ArrowFunctionExcludes */;
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+                return 591310848 /* TransformFlags.FunctionExcludes */;
+            case 255 /* SyntaxKind.VariableDeclarationList */:
+                return 537165824 /* TransformFlags.VariableDeclarationListExcludes */;
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 226 /* SyntaxKind.ClassExpression */:
+                return 536940544 /* TransformFlags.ClassExcludes */;
+            case 171 /* SyntaxKind.Constructor */:
+                return 591306752 /* TransformFlags.ConstructorExcludes */;
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+                return 570433536 /* TransformFlags.PropertyExcludes */;
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+                return 574529536 /* TransformFlags.MethodOrAccessorExcludes */;
+            case 130 /* SyntaxKind.AnyKeyword */:
+            case 147 /* SyntaxKind.NumberKeyword */:
+            case 158 /* SyntaxKind.BigIntKeyword */:
+            case 143 /* SyntaxKind.NeverKeyword */:
+            case 150 /* SyntaxKind.StringKeyword */:
+            case 148 /* SyntaxKind.ObjectKeyword */:
+            case 133 /* SyntaxKind.BooleanKeyword */:
+            case 151 /* SyntaxKind.SymbolKeyword */:
+            case 114 /* SyntaxKind.VoidKeyword */:
+            case 163 /* SyntaxKind.TypeParameter */:
+            case 166 /* SyntaxKind.PropertySignature */:
+            case 168 /* SyntaxKind.MethodSignature */:
+            case 174 /* SyntaxKind.CallSignature */:
+            case 175 /* SyntaxKind.ConstructSignature */:
+            case 176 /* SyntaxKind.IndexSignature */:
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+            case 259 /* SyntaxKind.TypeAliasDeclaration */:
+                return -2 /* TransformFlags.TypeExcludes */;
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                return 536973312 /* TransformFlags.ObjectLiteralExcludes */;
+            case 292 /* SyntaxKind.CatchClause */:
+                return 536903680 /* TransformFlags.CatchClauseExcludes */;
+            case 201 /* SyntaxKind.ObjectBindingPattern */:
+            case 202 /* SyntaxKind.ArrayBindingPattern */:
+                return 536887296 /* TransformFlags.BindingPatternExcludes */;
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+            case 229 /* SyntaxKind.AsExpression */:
+            case 350 /* SyntaxKind.PartiallyEmittedExpression */:
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+            case 106 /* SyntaxKind.SuperKeyword */:
+                return 536870912 /* TransformFlags.OuterExpressionExcludes */;
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+            case 207 /* SyntaxKind.ElementAccessExpression */:
+                return 536870912 /* TransformFlags.PropertyAccessExcludes */;
+            default:
+                return 536870912 /* TransformFlags.NodeExcludes */;
+        }
+    }
+    ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions;
+    var baseFactory = ts.createBaseNodeFactory();
+    function makeSynthetic(node) {
+        node.flags |= 8 /* NodeFlags.Synthesized */;
+        return node;
+    }
+    var syntheticFactory = {
+        createBaseSourceFileNode: function (kind) { return makeSynthetic(baseFactory.createBaseSourceFileNode(kind)); },
+        createBaseIdentifierNode: function (kind) { return makeSynthetic(baseFactory.createBaseIdentifierNode(kind)); },
+        createBasePrivateIdentifierNode: function (kind) { return makeSynthetic(baseFactory.createBasePrivateIdentifierNode(kind)); },
+        createBaseTokenNode: function (kind) { return makeSynthetic(baseFactory.createBaseTokenNode(kind)); },
+        createBaseNode: function (kind) { return makeSynthetic(baseFactory.createBaseNode(kind)); },
+    };
+    ts.factory = createNodeFactory(4 /* NodeFactoryFlags.NoIndentationOnFreshPropertyAccess */, syntheticFactory);
+    function createUnparsedSourceFile(textOrInputFiles, mapPathOrType, mapTextOrStripInternal) {
+        var stripInternal;
+        var bundleFileInfo;
+        var fileName;
+        var text;
+        var length;
+        var sourceMapPath;
+        var sourceMapText;
+        var getText;
+        var getSourceMapText;
+        var oldFileOfCurrentEmit;
+        if (!ts.isString(textOrInputFiles)) {
+            ts.Debug.assert(mapPathOrType === "js" || mapPathOrType === "dts");
+            fileName = (mapPathOrType === "js" ? textOrInputFiles.javascriptPath : textOrInputFiles.declarationPath) || "";
+            sourceMapPath = mapPathOrType === "js" ? textOrInputFiles.javascriptMapPath : textOrInputFiles.declarationMapPath;
+            getText = function () { return mapPathOrType === "js" ? textOrInputFiles.javascriptText : textOrInputFiles.declarationText; };
+            getSourceMapText = function () { return mapPathOrType === "js" ? textOrInputFiles.javascriptMapText : textOrInputFiles.declarationMapText; };
+            length = function () { return getText().length; };
+            if (textOrInputFiles.buildInfo && textOrInputFiles.buildInfo.bundle) {
+                ts.Debug.assert(mapTextOrStripInternal === undefined || typeof mapTextOrStripInternal === "boolean");
+                stripInternal = mapTextOrStripInternal;
+                bundleFileInfo = mapPathOrType === "js" ? textOrInputFiles.buildInfo.bundle.js : textOrInputFiles.buildInfo.bundle.dts;
+                oldFileOfCurrentEmit = textOrInputFiles.oldFileOfCurrentEmit;
+            }
+        }
+        else {
+            fileName = "";
+            text = textOrInputFiles;
+            length = textOrInputFiles.length;
+            sourceMapPath = mapPathOrType;
+            sourceMapText = mapTextOrStripInternal;
+        }
+        var node = oldFileOfCurrentEmit ?
+            parseOldFileOfCurrentEmit(ts.Debug.checkDefined(bundleFileInfo)) :
+            parseUnparsedSourceFile(bundleFileInfo, stripInternal, length);
+        node.fileName = fileName;
+        node.sourceMapPath = sourceMapPath;
+        node.oldFileOfCurrentEmit = oldFileOfCurrentEmit;
+        if (getText && getSourceMapText) {
+            Object.defineProperty(node, "text", { get: getText });
+            Object.defineProperty(node, "sourceMapText", { get: getSourceMapText });
+        }
+        else {
+            ts.Debug.assert(!oldFileOfCurrentEmit);
+            node.text = text !== null && text !== void 0 ? text : "";
+            node.sourceMapText = sourceMapText;
+        }
+        return node;
+    }
+    ts.createUnparsedSourceFile = createUnparsedSourceFile;
+    function parseUnparsedSourceFile(bundleFileInfo, stripInternal, length) {
+        var prologues;
+        var helpers;
+        var referencedFiles;
+        var typeReferenceDirectives;
+        var libReferenceDirectives;
+        var prependChildren;
+        var texts;
+        var hasNoDefaultLib;
+        for (var _i = 0, _a = bundleFileInfo ? bundleFileInfo.sections : ts.emptyArray; _i < _a.length; _i++) {
+            var section = _a[_i];
+            switch (section.kind) {
+                case "prologue" /* BundleFileSectionKind.Prologue */:
+                    prologues = ts.append(prologues, ts.setTextRange(ts.factory.createUnparsedPrologue(section.data), section));
+                    break;
+                case "emitHelpers" /* BundleFileSectionKind.EmitHelpers */:
+                    helpers = ts.append(helpers, ts.getAllUnscopedEmitHelpers().get(section.data));
+                    break;
+                case "no-default-lib" /* BundleFileSectionKind.NoDefaultLib */:
+                    hasNoDefaultLib = true;
+                    break;
+                case "reference" /* BundleFileSectionKind.Reference */:
+                    referencedFiles = ts.append(referencedFiles, { pos: -1, end: -1, fileName: section.data });
+                    break;
+                case "type" /* BundleFileSectionKind.Type */:
+                    typeReferenceDirectives = ts.append(typeReferenceDirectives, { pos: -1, end: -1, fileName: section.data });
+                    break;
+                case "type-import" /* BundleFileSectionKind.TypeResolutionModeImport */:
+                    typeReferenceDirectives = ts.append(typeReferenceDirectives, { pos: -1, end: -1, fileName: section.data, resolutionMode: ts.ModuleKind.ESNext });
+                    break;
+                case "type-require" /* BundleFileSectionKind.TypeResolutionModeRequire */:
+                    typeReferenceDirectives = ts.append(typeReferenceDirectives, { pos: -1, end: -1, fileName: section.data, resolutionMode: ts.ModuleKind.CommonJS });
+                    break;
+                case "lib" /* BundleFileSectionKind.Lib */:
+                    libReferenceDirectives = ts.append(libReferenceDirectives, { pos: -1, end: -1, fileName: section.data });
+                    break;
+                case "prepend" /* BundleFileSectionKind.Prepend */:
+                    var prependTexts = void 0;
+                    for (var _b = 0, _c = section.texts; _b < _c.length; _b++) {
+                        var text = _c[_b];
+                        if (!stripInternal || text.kind !== "internal" /* BundleFileSectionKind.Internal */) {
+                            prependTexts = ts.append(prependTexts, ts.setTextRange(ts.factory.createUnparsedTextLike(text.data, text.kind === "internal" /* BundleFileSectionKind.Internal */), text));
+                        }
+                    }
+                    prependChildren = ts.addRange(prependChildren, prependTexts);
+                    texts = ts.append(texts, ts.factory.createUnparsedPrepend(section.data, prependTexts !== null && prependTexts !== void 0 ? prependTexts : ts.emptyArray));
+                    break;
+                case "internal" /* BundleFileSectionKind.Internal */:
+                    if (stripInternal) {
+                        if (!texts)
+                            texts = [];
+                        break;
+                    }
+                // falls through
+                case "text" /* BundleFileSectionKind.Text */:
+                    texts = ts.append(texts, ts.setTextRange(ts.factory.createUnparsedTextLike(section.data, section.kind === "internal" /* BundleFileSectionKind.Internal */), section));
+                    break;
+                default:
+                    ts.Debug.assertNever(section);
+            }
+        }
+        if (!texts) {
+            var textNode = ts.factory.createUnparsedTextLike(/*data*/ undefined, /*internal*/ false);
+            ts.setTextRangePosWidth(textNode, 0, typeof length === "function" ? length() : length);
+            texts = [textNode];
+        }
+        var node = ts.parseNodeFactory.createUnparsedSource(prologues !== null && prologues !== void 0 ? prologues : ts.emptyArray, /*syntheticReferences*/ undefined, texts);
+        ts.setEachParent(prologues, node);
+        ts.setEachParent(texts, node);
+        ts.setEachParent(prependChildren, node);
+        node.hasNoDefaultLib = hasNoDefaultLib;
+        node.helpers = helpers;
+        node.referencedFiles = referencedFiles || ts.emptyArray;
+        node.typeReferenceDirectives = typeReferenceDirectives;
+        node.libReferenceDirectives = libReferenceDirectives || ts.emptyArray;
+        return node;
+    }
+    function parseOldFileOfCurrentEmit(bundleFileInfo) {
+        var texts;
+        var syntheticReferences;
+        for (var _i = 0, _a = bundleFileInfo.sections; _i < _a.length; _i++) {
+            var section = _a[_i];
+            switch (section.kind) {
+                case "internal" /* BundleFileSectionKind.Internal */:
+                case "text" /* BundleFileSectionKind.Text */:
+                    texts = ts.append(texts, ts.setTextRange(ts.factory.createUnparsedTextLike(section.data, section.kind === "internal" /* BundleFileSectionKind.Internal */), section));
+                    break;
+                case "no-default-lib" /* BundleFileSectionKind.NoDefaultLib */:
+                case "reference" /* BundleFileSectionKind.Reference */:
+                case "type" /* BundleFileSectionKind.Type */:
+                case "type-import" /* BundleFileSectionKind.TypeResolutionModeImport */:
+                case "type-require" /* BundleFileSectionKind.TypeResolutionModeRequire */:
+                case "lib" /* BundleFileSectionKind.Lib */:
+                    syntheticReferences = ts.append(syntheticReferences, ts.setTextRange(ts.factory.createUnparsedSyntheticReference(section), section));
+                    break;
+                // Ignore
+                case "prologue" /* BundleFileSectionKind.Prologue */:
+                case "emitHelpers" /* BundleFileSectionKind.EmitHelpers */:
+                case "prepend" /* BundleFileSectionKind.Prepend */:
+                    break;
+                default:
+                    ts.Debug.assertNever(section);
+            }
+        }
+        var node = ts.factory.createUnparsedSource(ts.emptyArray, syntheticReferences, texts !== null && texts !== void 0 ? texts : ts.emptyArray);
+        ts.setEachParent(syntheticReferences, node);
+        ts.setEachParent(texts, node);
+        node.helpers = ts.map(bundleFileInfo.sources && bundleFileInfo.sources.helpers, function (name) { return ts.getAllUnscopedEmitHelpers().get(name); });
+        return node;
+    }
+    function createInputFiles(javascriptTextOrReadFileText, declarationTextOrJavascriptPath, javascriptMapPath, javascriptMapTextOrDeclarationPath, declarationMapPath, declarationMapTextOrBuildInfoPath, javascriptPath, declarationPath, buildInfoPath, buildInfo, oldFileOfCurrentEmit) {
+        var node = ts.parseNodeFactory.createInputFiles();
+        if (!ts.isString(javascriptTextOrReadFileText)) {
+            var cache_1 = new ts.Map();
+            var textGetter_1 = function (path) {
+                if (path === undefined)
+                    return undefined;
+                var value = cache_1.get(path);
+                if (value === undefined) {
+                    value = javascriptTextOrReadFileText(path);
+                    cache_1.set(path, value !== undefined ? value : false);
+                }
+                return value !== false ? value : undefined;
+            };
+            var definedTextGetter_1 = function (path) {
+                var result = textGetter_1(path);
+                return result !== undefined ? result : "/* Input file ".concat(path, " was missing */\r\n");
+            };
+            var buildInfo_1;
+            var getAndCacheBuildInfo_1 = function (getText) {
+                if (buildInfo_1 === undefined) {
+                    var result = getText();
+                    buildInfo_1 = result !== undefined ? ts.getBuildInfo(result) : false;
+                }
+                return buildInfo_1 || undefined;
+            };
+            node.javascriptPath = declarationTextOrJavascriptPath;
+            node.javascriptMapPath = javascriptMapPath;
+            node.declarationPath = ts.Debug.checkDefined(javascriptMapTextOrDeclarationPath);
+            node.declarationMapPath = declarationMapPath;
+            node.buildInfoPath = declarationMapTextOrBuildInfoPath;
+            Object.defineProperties(node, {
+                javascriptText: { get: function () { return definedTextGetter_1(declarationTextOrJavascriptPath); } },
+                javascriptMapText: { get: function () { return textGetter_1(javascriptMapPath); } },
+                declarationText: { get: function () { return definedTextGetter_1(ts.Debug.checkDefined(javascriptMapTextOrDeclarationPath)); } },
+                declarationMapText: { get: function () { return textGetter_1(declarationMapPath); } },
+                buildInfo: { get: function () { return getAndCacheBuildInfo_1(function () { return textGetter_1(declarationMapTextOrBuildInfoPath); }); } }
+            });
+        }
+        else {
+            node.javascriptText = javascriptTextOrReadFileText;
+            node.javascriptMapPath = javascriptMapPath;
+            node.javascriptMapText = javascriptMapTextOrDeclarationPath;
+            node.declarationText = declarationTextOrJavascriptPath;
+            node.declarationMapPath = declarationMapPath;
+            node.declarationMapText = declarationMapTextOrBuildInfoPath;
+            node.javascriptPath = javascriptPath;
+            node.declarationPath = declarationPath;
+            node.buildInfoPath = buildInfoPath;
+            node.buildInfo = buildInfo;
+            node.oldFileOfCurrentEmit = oldFileOfCurrentEmit;
+        }
+        return node;
+    }
+    ts.createInputFiles = createInputFiles;
+    // tslint:disable-next-line variable-name
+    var SourceMapSource;
+    /**
+     * Create an external source map source file reference
+     */
+    function createSourceMapSource(fileName, text, skipTrivia) {
+        return new (SourceMapSource || (SourceMapSource = ts.objectAllocator.getSourceMapSourceConstructor()))(fileName, text, skipTrivia);
+    }
+    ts.createSourceMapSource = createSourceMapSource;
+    // Utilities
+    function setOriginalNode(node, original) {
+        node.original = original;
+        if (original) {
+            var emitNode = original.emitNode;
+            if (emitNode)
+                node.emitNode = mergeEmitNode(emitNode, node.emitNode);
+        }
+        return node;
+    }
+    ts.setOriginalNode = setOriginalNode;
+    function mergeEmitNode(sourceEmitNode, destEmitNode) {
+        var flags = sourceEmitNode.flags, leadingComments = sourceEmitNode.leadingComments, trailingComments = sourceEmitNode.trailingComments, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges, constantValue = sourceEmitNode.constantValue, helpers = sourceEmitNode.helpers, startsOnNewLine = sourceEmitNode.startsOnNewLine;
+        if (!destEmitNode)
+            destEmitNode = {};
+        // We are using `.slice()` here in case `destEmitNode.leadingComments` is pushed to later.
+        if (leadingComments)
+            destEmitNode.leadingComments = ts.addRange(leadingComments.slice(), destEmitNode.leadingComments);
+        if (trailingComments)
+            destEmitNode.trailingComments = ts.addRange(trailingComments.slice(), destEmitNode.trailingComments);
+        if (flags)
+            destEmitNode.flags = flags & ~268435456 /* EmitFlags.Immutable */;
+        if (commentRange)
+            destEmitNode.commentRange = commentRange;
+        if (sourceMapRange)
+            destEmitNode.sourceMapRange = sourceMapRange;
+        if (tokenSourceMapRanges)
+            destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges);
+        if (constantValue !== undefined)
+            destEmitNode.constantValue = constantValue;
+        if (helpers) {
+            for (var _i = 0, helpers_1 = helpers; _i < helpers_1.length; _i++) {
+                var helper = helpers_1[_i];
+                destEmitNode.helpers = ts.appendIfUnique(destEmitNode.helpers, helper);
+            }
+        }
+        if (startsOnNewLine !== undefined)
+            destEmitNode.startsOnNewLine = startsOnNewLine;
+        return destEmitNode;
+    }
+    function mergeTokenSourceMapRanges(sourceRanges, destRanges) {
+        if (!destRanges)
+            destRanges = [];
+        for (var key in sourceRanges) {
+            destRanges[key] = sourceRanges[key];
+        }
+        return destRanges;
+    }
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    /**
+     * Associates a node with the current transformation, initializing
+     * various transient transformation properties.
+     * @internal
+     */
+    function getOrCreateEmitNode(node) {
+        var _a;
+        if (!node.emitNode) {
+            if (ts.isParseTreeNode(node)) {
+                // To avoid holding onto transformation artifacts, we keep track of any
+                // parse tree node we are annotating. This allows us to clean them up after
+                // all transformations have completed.
+                if (node.kind === 305 /* SyntaxKind.SourceFile */) {
+                    return node.emitNode = { annotatedNodes: [node] };
+                }
+                var sourceFile = (_a = ts.getSourceFileOfNode(ts.getParseTreeNode(ts.getSourceFileOfNode(node)))) !== null && _a !== void 0 ? _a : ts.Debug.fail("Could not determine parsed source file.");
+                getOrCreateEmitNode(sourceFile).annotatedNodes.push(node);
+            }
+            node.emitNode = {};
+        }
+        else {
+            ts.Debug.assert(!(node.emitNode.flags & 268435456 /* EmitFlags.Immutable */), "Invalid attempt to mutate an immutable node.");
+        }
+        return node.emitNode;
+    }
+    ts.getOrCreateEmitNode = getOrCreateEmitNode;
+    /**
+     * Clears any `EmitNode` entries from parse-tree nodes.
+     * @param sourceFile A source file.
+     */
+    function disposeEmitNodes(sourceFile) {
+        var _a, _b;
+        // During transformation we may need to annotate a parse tree node with transient
+        // transformation properties. As parse tree nodes live longer than transformation
+        // nodes, we need to make sure we reclaim any memory allocated for custom ranges
+        // from these nodes to ensure we do not hold onto entire subtrees just for position
+        // information. We also need to reset these nodes to a pre-transformation state
+        // for incremental parsing scenarios so that we do not impact later emit.
+        var annotatedNodes = (_b = (_a = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile))) === null || _a === void 0 ? void 0 : _a.emitNode) === null || _b === void 0 ? void 0 : _b.annotatedNodes;
+        if (annotatedNodes) {
+            for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) {
+                var node = annotatedNodes_1[_i];
+                node.emitNode = undefined;
+            }
+        }
+    }
+    ts.disposeEmitNodes = disposeEmitNodes;
+    /**
+     * Sets `EmitFlags.NoComments` on a node and removes any leading and trailing synthetic comments.
+     * @internal
+     */
+    function removeAllComments(node) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.flags |= 1536 /* EmitFlags.NoComments */;
+        emitNode.leadingComments = undefined;
+        emitNode.trailingComments = undefined;
+        return node;
+    }
+    ts.removeAllComments = removeAllComments;
+    /**
+     * Sets flags that control emit behavior of a node.
+     */
+    function setEmitFlags(node, emitFlags) {
+        getOrCreateEmitNode(node).flags = emitFlags;
+        return node;
+    }
+    ts.setEmitFlags = setEmitFlags;
+    /**
+     * Sets flags that control emit behavior of a node.
+     */
+    /* @internal */
+    function addEmitFlags(node, emitFlags) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.flags = emitNode.flags | emitFlags;
+        return node;
+    }
+    ts.addEmitFlags = addEmitFlags;
+    /**
+     * Gets a custom text range to use when emitting source maps.
+     */
+    function getSourceMapRange(node) {
+        var _a, _b;
+        return (_b = (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.sourceMapRange) !== null && _b !== void 0 ? _b : node;
+    }
+    ts.getSourceMapRange = getSourceMapRange;
+    /**
+     * Sets a custom text range to use when emitting source maps.
+     */
+    function setSourceMapRange(node, range) {
+        getOrCreateEmitNode(node).sourceMapRange = range;
+        return node;
+    }
+    ts.setSourceMapRange = setSourceMapRange;
+    /**
+     * Gets the TextRange to use for source maps for a token of a node.
+     */
+    function getTokenSourceMapRange(node, token) {
+        var _a, _b;
+        return (_b = (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.tokenSourceMapRanges) === null || _b === void 0 ? void 0 : _b[token];
+    }
+    ts.getTokenSourceMapRange = getTokenSourceMapRange;
+    /**
+     * Sets the TextRange to use for source maps for a token of a node.
+     */
+    function setTokenSourceMapRange(node, token, range) {
+        var _a;
+        var emitNode = getOrCreateEmitNode(node);
+        var tokenSourceMapRanges = (_a = emitNode.tokenSourceMapRanges) !== null && _a !== void 0 ? _a : (emitNode.tokenSourceMapRanges = []);
+        tokenSourceMapRanges[token] = range;
+        return node;
+    }
+    ts.setTokenSourceMapRange = setTokenSourceMapRange;
+    /**
+     * Gets a custom text range to use when emitting comments.
+     */
+    /*@internal*/
+    function getStartsOnNewLine(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.startsOnNewLine;
+    }
+    ts.getStartsOnNewLine = getStartsOnNewLine;
+    /**
+     * Sets a custom text range to use when emitting comments.
+     */
+    /*@internal*/
+    function setStartsOnNewLine(node, newLine) {
+        getOrCreateEmitNode(node).startsOnNewLine = newLine;
+        return node;
+    }
+    ts.setStartsOnNewLine = setStartsOnNewLine;
+    /**
+     * Gets a custom text range to use when emitting comments.
+     */
+    function getCommentRange(node) {
+        var _a, _b;
+        return (_b = (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.commentRange) !== null && _b !== void 0 ? _b : node;
+    }
+    ts.getCommentRange = getCommentRange;
+    /**
+     * Sets a custom text range to use when emitting comments.
+     */
+    function setCommentRange(node, range) {
+        getOrCreateEmitNode(node).commentRange = range;
+        return node;
+    }
+    ts.setCommentRange = setCommentRange;
+    function getSyntheticLeadingComments(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.leadingComments;
+    }
+    ts.getSyntheticLeadingComments = getSyntheticLeadingComments;
+    function setSyntheticLeadingComments(node, comments) {
+        getOrCreateEmitNode(node).leadingComments = comments;
+        return node;
+    }
+    ts.setSyntheticLeadingComments = setSyntheticLeadingComments;
+    function addSyntheticLeadingComment(node, kind, text, hasTrailingNewLine) {
+        return setSyntheticLeadingComments(node, ts.append(getSyntheticLeadingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
+    }
+    ts.addSyntheticLeadingComment = addSyntheticLeadingComment;
+    function getSyntheticTrailingComments(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.trailingComments;
+    }
+    ts.getSyntheticTrailingComments = getSyntheticTrailingComments;
+    function setSyntheticTrailingComments(node, comments) {
+        getOrCreateEmitNode(node).trailingComments = comments;
+        return node;
+    }
+    ts.setSyntheticTrailingComments = setSyntheticTrailingComments;
+    function addSyntheticTrailingComment(node, kind, text, hasTrailingNewLine) {
+        return setSyntheticTrailingComments(node, ts.append(getSyntheticTrailingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
+    }
+    ts.addSyntheticTrailingComment = addSyntheticTrailingComment;
+    function moveSyntheticComments(node, original) {
+        setSyntheticLeadingComments(node, getSyntheticLeadingComments(original));
+        setSyntheticTrailingComments(node, getSyntheticTrailingComments(original));
+        var emit = getOrCreateEmitNode(original);
+        emit.leadingComments = undefined;
+        emit.trailingComments = undefined;
+        return node;
+    }
+    ts.moveSyntheticComments = moveSyntheticComments;
+    /**
+     * Gets the constant value to emit for an expression representing an enum.
+     */
+    function getConstantValue(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.constantValue;
+    }
+    ts.getConstantValue = getConstantValue;
+    /**
+     * Sets the constant value to emit for an expression.
+     */
+    function setConstantValue(node, value) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.constantValue = value;
+        return node;
+    }
+    ts.setConstantValue = setConstantValue;
+    /**
+     * Adds an EmitHelper to a node.
+     */
+    function addEmitHelper(node, helper) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.helpers = ts.append(emitNode.helpers, helper);
+        return node;
+    }
+    ts.addEmitHelper = addEmitHelper;
+    /**
+     * Add EmitHelpers to a node.
+     */
+    function addEmitHelpers(node, helpers) {
+        if (ts.some(helpers)) {
+            var emitNode = getOrCreateEmitNode(node);
+            for (var _i = 0, helpers_2 = helpers; _i < helpers_2.length; _i++) {
+                var helper = helpers_2[_i];
+                emitNode.helpers = ts.appendIfUnique(emitNode.helpers, helper);
+            }
+        }
+        return node;
+    }
+    ts.addEmitHelpers = addEmitHelpers;
+    /**
+     * Removes an EmitHelper from a node.
+     */
+    function removeEmitHelper(node, helper) {
+        var _a;
+        var helpers = (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.helpers;
+        if (helpers) {
+            return ts.orderedRemoveItem(helpers, helper);
+        }
+        return false;
+    }
+    ts.removeEmitHelper = removeEmitHelper;
+    /**
+     * Gets the EmitHelpers of a node.
+     */
+    function getEmitHelpers(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.helpers;
+    }
+    ts.getEmitHelpers = getEmitHelpers;
+    /**
+     * Moves matching emit helpers from a source node to a target node.
+     */
+    function moveEmitHelpers(source, target, predicate) {
+        var sourceEmitNode = source.emitNode;
+        var sourceEmitHelpers = sourceEmitNode && sourceEmitNode.helpers;
+        if (!ts.some(sourceEmitHelpers))
+            return;
+        var targetEmitNode = getOrCreateEmitNode(target);
+        var helpersRemoved = 0;
+        for (var i = 0; i < sourceEmitHelpers.length; i++) {
+            var helper = sourceEmitHelpers[i];
+            if (predicate(helper)) {
+                helpersRemoved++;
+                targetEmitNode.helpers = ts.appendIfUnique(targetEmitNode.helpers, helper);
+            }
+            else if (helpersRemoved > 0) {
+                sourceEmitHelpers[i - helpersRemoved] = helper;
+            }
+        }
+        if (helpersRemoved > 0) {
+            sourceEmitHelpers.length -= helpersRemoved;
+        }
+    }
+    ts.moveEmitHelpers = moveEmitHelpers;
+    /**
+     * Gets the SnippetElement of a node.
+     */
+    /* @internal */
+    function getSnippetElement(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.snippetElement;
+    }
+    ts.getSnippetElement = getSnippetElement;
+    /**
+     * Sets the SnippetElement of a node.
+     */
+    /* @internal */
+    function setSnippetElement(node, snippet) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.snippetElement = snippet;
+        return node;
+    }
+    ts.setSnippetElement = setSnippetElement;
+    /* @internal */
+    function ignoreSourceNewlines(node) {
+        getOrCreateEmitNode(node).flags |= 134217728 /* EmitFlags.IgnoreSourceNewlines */;
+        return node;
+    }
+    ts.ignoreSourceNewlines = ignoreSourceNewlines;
+    /* @internal */
+    function setTypeNode(node, type) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.typeNode = type;
+        return node;
+    }
+    ts.setTypeNode = setTypeNode;
+    /* @internal */
+    function getTypeNode(node) {
+        var _a;
+        return (_a = node.emitNode) === null || _a === void 0 ? void 0 : _a.typeNode;
+    }
+    ts.getTypeNode = getTypeNode;
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    function createEmitHelperFactory(context) {
+        var factory = context.factory;
+        var immutableTrue = ts.memoize(function () { return ts.setEmitFlags(factory.createTrue(), 268435456 /* EmitFlags.Immutable */); });
+        var immutableFalse = ts.memoize(function () { return ts.setEmitFlags(factory.createFalse(), 268435456 /* EmitFlags.Immutable */); });
+        return {
+            getUnscopedHelperName: getUnscopedHelperName,
+            // TypeScript Helpers
+            createDecorateHelper: createDecorateHelper,
+            createMetadataHelper: createMetadataHelper,
+            createParamHelper: createParamHelper,
+            // ES2018 Helpers
+            createAssignHelper: createAssignHelper,
+            createAwaitHelper: createAwaitHelper,
+            createAsyncGeneratorHelper: createAsyncGeneratorHelper,
+            createAsyncDelegatorHelper: createAsyncDelegatorHelper,
+            createAsyncValuesHelper: createAsyncValuesHelper,
+            // ES2018 Destructuring Helpers
+            createRestHelper: createRestHelper,
+            // ES2017 Helpers
+            createAwaiterHelper: createAwaiterHelper,
+            // ES2015 Helpers
+            createExtendsHelper: createExtendsHelper,
+            createTemplateObjectHelper: createTemplateObjectHelper,
+            createSpreadArrayHelper: createSpreadArrayHelper,
+            // ES2015 Destructuring Helpers
+            createValuesHelper: createValuesHelper,
+            createReadHelper: createReadHelper,
+            // ES2015 Generator Helpers
+            createGeneratorHelper: createGeneratorHelper,
+            // ES Module Helpers
+            createCreateBindingHelper: createCreateBindingHelper,
+            createImportStarHelper: createImportStarHelper,
+            createImportStarCallbackHelper: createImportStarCallbackHelper,
+            createImportDefaultHelper: createImportDefaultHelper,
+            createExportStarHelper: createExportStarHelper,
+            // Class Fields Helpers
+            createClassPrivateFieldGetHelper: createClassPrivateFieldGetHelper,
+            createClassPrivateFieldSetHelper: createClassPrivateFieldSetHelper,
+            createClassPrivateFieldInHelper: createClassPrivateFieldInHelper
+        };
+        /**
+         * Gets an identifier for the name of an *unscoped* emit helper.
+         */
+        function getUnscopedHelperName(name) {
+            return ts.setEmitFlags(factory.createIdentifier(name), 4096 /* EmitFlags.HelperName */ | 2 /* EmitFlags.AdviseOnEmitNode */);
+        }
+        // TypeScript Helpers
+        function createDecorateHelper(decoratorExpressions, target, memberName, descriptor) {
+            context.requestEmitHelper(ts.decorateHelper);
+            var argumentsArray = [];
+            argumentsArray.push(factory.createArrayLiteralExpression(decoratorExpressions, /*multiLine*/ true));
+            argumentsArray.push(target);
+            if (memberName) {
+                argumentsArray.push(memberName);
+                if (descriptor) {
+                    argumentsArray.push(descriptor);
+                }
+            }
+            return factory.createCallExpression(getUnscopedHelperName("__decorate"), 
+            /*typeArguments*/ undefined, argumentsArray);
+        }
+        function createMetadataHelper(metadataKey, metadataValue) {
+            context.requestEmitHelper(ts.metadataHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__metadata"), 
+            /*typeArguments*/ undefined, [
+                factory.createStringLiteral(metadataKey),
+                metadataValue
+            ]);
+        }
+        function createParamHelper(expression, parameterOffset, location) {
+            context.requestEmitHelper(ts.paramHelper);
+            return ts.setTextRange(factory.createCallExpression(getUnscopedHelperName("__param"), 
+            /*typeArguments*/ undefined, [
+                factory.createNumericLiteral(parameterOffset + ""),
+                expression
+            ]), location);
+        }
+        // ES2018 Helpers
+        function createAssignHelper(attributesSegments) {
+            if (ts.getEmitScriptTarget(context.getCompilerOptions()) >= 2 /* ScriptTarget.ES2015 */) {
+                return factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("Object"), "assign"), 
+                /*typeArguments*/ undefined, attributesSegments);
+            }
+            context.requestEmitHelper(ts.assignHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__assign"), 
+            /*typeArguments*/ undefined, attributesSegments);
+        }
+        function createAwaitHelper(expression) {
+            context.requestEmitHelper(ts.awaitHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__await"), /*typeArguments*/ undefined, [expression]);
+        }
+        function createAsyncGeneratorHelper(generatorFunc, hasLexicalThis) {
+            context.requestEmitHelper(ts.awaitHelper);
+            context.requestEmitHelper(ts.asyncGeneratorHelper);
+            // Mark this node as originally an async function
+            (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 262144 /* EmitFlags.AsyncFunctionBody */ | 524288 /* EmitFlags.ReuseTempVariableScope */;
+            return factory.createCallExpression(getUnscopedHelperName("__asyncGenerator"), 
+            /*typeArguments*/ undefined, [
+                hasLexicalThis ? factory.createThis() : factory.createVoidZero(),
+                factory.createIdentifier("arguments"),
+                generatorFunc
+            ]);
+        }
+        function createAsyncDelegatorHelper(expression) {
+            context.requestEmitHelper(ts.awaitHelper);
+            context.requestEmitHelper(ts.asyncDelegator);
+            return factory.createCallExpression(getUnscopedHelperName("__asyncDelegator"), 
+            /*typeArguments*/ undefined, [expression]);
+        }
+        function createAsyncValuesHelper(expression) {
+            context.requestEmitHelper(ts.asyncValues);
+            return factory.createCallExpression(getUnscopedHelperName("__asyncValues"), 
+            /*typeArguments*/ undefined, [expression]);
+        }
+        // ES2018 Destructuring Helpers
+        /** Given value: o, propName: p, pattern: { a, b, ...p } from the original statement
+         * `{ a, b, ...p } = o`, create `p = __rest(o, ["a", "b"]);`
+         */
+        function createRestHelper(value, elements, computedTempVariables, location) {
+            context.requestEmitHelper(ts.restHelper);
+            var propertyNames = [];
+            var computedTempVariableOffset = 0;
+            for (var i = 0; i < elements.length - 1; i++) {
+                var propertyName = ts.getPropertyNameOfBindingOrAssignmentElement(elements[i]);
+                if (propertyName) {
+                    if (ts.isComputedPropertyName(propertyName)) {
+                        ts.Debug.assertIsDefined(computedTempVariables, "Encountered computed property name but 'computedTempVariables' argument was not provided.");
+                        var temp = computedTempVariables[computedTempVariableOffset];
+                        computedTempVariableOffset++;
+                        // typeof _tmp === "symbol" ? _tmp : _tmp + ""
+                        propertyNames.push(factory.createConditionalExpression(factory.createTypeCheck(temp, "symbol"), 
+                        /*questionToken*/ undefined, temp, 
+                        /*colonToken*/ undefined, factory.createAdd(temp, factory.createStringLiteral(""))));
+                    }
+                    else {
+                        propertyNames.push(factory.createStringLiteralFromNode(propertyName));
+                    }
+                }
+            }
+            return factory.createCallExpression(getUnscopedHelperName("__rest"), 
+            /*typeArguments*/ undefined, [
+                value,
+                ts.setTextRange(factory.createArrayLiteralExpression(propertyNames), location)
+            ]);
+        }
+        // ES2017 Helpers
+        function createAwaiterHelper(hasLexicalThis, hasLexicalArguments, promiseConstructor, body) {
+            context.requestEmitHelper(ts.awaiterHelper);
+            var generatorFunc = factory.createFunctionExpression(
+            /*modifiers*/ undefined, factory.createToken(41 /* SyntaxKind.AsteriskToken */), 
+            /*name*/ undefined, 
+            /*typeParameters*/ undefined, 
+            /*parameters*/ [], 
+            /*type*/ undefined, body);
+            // Mark this node as originally an async function
+            (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 262144 /* EmitFlags.AsyncFunctionBody */ | 524288 /* EmitFlags.ReuseTempVariableScope */;
+            return factory.createCallExpression(getUnscopedHelperName("__awaiter"), 
+            /*typeArguments*/ undefined, [
+                hasLexicalThis ? factory.createThis() : factory.createVoidZero(),
+                hasLexicalArguments ? factory.createIdentifier("arguments") : factory.createVoidZero(),
+                promiseConstructor ? ts.createExpressionFromEntityName(factory, promiseConstructor) : factory.createVoidZero(),
+                generatorFunc
+            ]);
+        }
+        // ES2015 Helpers
+        function createExtendsHelper(name) {
+            context.requestEmitHelper(ts.extendsHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__extends"), 
+            /*typeArguments*/ undefined, [name, factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */)]);
+        }
+        function createTemplateObjectHelper(cooked, raw) {
+            context.requestEmitHelper(ts.templateObjectHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__makeTemplateObject"), 
+            /*typeArguments*/ undefined, [cooked, raw]);
+        }
+        function createSpreadArrayHelper(to, from, packFrom) {
+            context.requestEmitHelper(ts.spreadArrayHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__spreadArray"), 
+            /*typeArguments*/ undefined, [to, from, packFrom ? immutableTrue() : immutableFalse()]);
+        }
+        // ES2015 Destructuring Helpers
+        function createValuesHelper(expression) {
+            context.requestEmitHelper(ts.valuesHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__values"), 
+            /*typeArguments*/ undefined, [expression]);
+        }
+        function createReadHelper(iteratorRecord, count) {
+            context.requestEmitHelper(ts.readHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__read"), 
+            /*typeArguments*/ undefined, count !== undefined
+                ? [iteratorRecord, factory.createNumericLiteral(count + "")]
+                : [iteratorRecord]);
+        }
+        // ES2015 Generator Helpers
+        function createGeneratorHelper(body) {
+            context.requestEmitHelper(ts.generatorHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__generator"), 
+            /*typeArguments*/ undefined, [factory.createThis(), body]);
+        }
+        // ES Module Helpers
+        function createCreateBindingHelper(module, inputName, outputName) {
+            context.requestEmitHelper(ts.createBindingHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__createBinding"), 
+            /*typeArguments*/ undefined, __spreadArray([factory.createIdentifier("exports"), module, inputName], (outputName ? [outputName] : []), true));
+        }
+        function createImportStarHelper(expression) {
+            context.requestEmitHelper(ts.importStarHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__importStar"), 
+            /*typeArguments*/ undefined, [expression]);
+        }
+        function createImportStarCallbackHelper() {
+            context.requestEmitHelper(ts.importStarHelper);
+            return getUnscopedHelperName("__importStar");
+        }
+        function createImportDefaultHelper(expression) {
+            context.requestEmitHelper(ts.importDefaultHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__importDefault"), 
+            /*typeArguments*/ undefined, [expression]);
+        }
+        function createExportStarHelper(moduleExpression, exportsExpression) {
+            if (exportsExpression === void 0) { exportsExpression = factory.createIdentifier("exports"); }
+            context.requestEmitHelper(ts.exportStarHelper);
+            context.requestEmitHelper(ts.createBindingHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__exportStar"), 
+            /*typeArguments*/ undefined, [moduleExpression, exportsExpression]);
+        }
+        // Class Fields Helpers
+        function createClassPrivateFieldGetHelper(receiver, state, kind, f) {
+            context.requestEmitHelper(ts.classPrivateFieldGetHelper);
+            var args;
+            if (!f) {
+                args = [receiver, state, factory.createStringLiteral(kind)];
+            }
+            else {
+                args = [receiver, state, factory.createStringLiteral(kind), f];
+            }
+            return factory.createCallExpression(getUnscopedHelperName("__classPrivateFieldGet"), /*typeArguments*/ undefined, args);
+        }
+        function createClassPrivateFieldSetHelper(receiver, state, value, kind, f) {
+            context.requestEmitHelper(ts.classPrivateFieldSetHelper);
+            var args;
+            if (!f) {
+                args = [receiver, state, value, factory.createStringLiteral(kind)];
+            }
+            else {
+                args = [receiver, state, value, factory.createStringLiteral(kind), f];
+            }
+            return factory.createCallExpression(getUnscopedHelperName("__classPrivateFieldSet"), /*typeArguments*/ undefined, args);
+        }
+        function createClassPrivateFieldInHelper(state, receiver) {
+            context.requestEmitHelper(ts.classPrivateFieldInHelper);
+            return factory.createCallExpression(getUnscopedHelperName("__classPrivateFieldIn"), /* typeArguments*/ undefined, [state, receiver]);
+        }
+    }
+    ts.createEmitHelperFactory = createEmitHelperFactory;
+    /* @internal */
+    function compareEmitHelpers(x, y) {
+        if (x === y)
+            return 0 /* Comparison.EqualTo */;
+        if (x.priority === y.priority)
+            return 0 /* Comparison.EqualTo */;
+        if (x.priority === undefined)
+            return 1 /* Comparison.GreaterThan */;
+        if (y.priority === undefined)
+            return -1 /* Comparison.LessThan */;
+        return ts.compareValues(x.priority, y.priority);
+    }
+    ts.compareEmitHelpers = compareEmitHelpers;
+    /**
+     * @param input Template string input strings
+     * @param args Names which need to be made file-level unique
+     */
+    function helperString(input) {
+        var args = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            args[_i - 1] = arguments[_i];
+        }
+        return function (uniqueName) {
+            var result = "";
+            for (var i = 0; i < args.length; i++) {
+                result += input[i];
+                result += uniqueName(args[i]);
+            }
+            result += input[input.length - 1];
+            return result;
+        };
+    }
+    ts.helperString = helperString;
+    // TypeScript Helpers
+    ts.decorateHelper = {
+        name: "typescript:decorate",
+        importName: "__decorate",
+        scoped: false,
+        priority: 2,
+        text: "\n            var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n                var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n                if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n                else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n                return c > 3 && r && Object.defineProperty(target, key, r), r;\n            };"
+    };
+    ts.metadataHelper = {
+        name: "typescript:metadata",
+        importName: "__metadata",
+        scoped: false,
+        priority: 3,
+        text: "\n            var __metadata = (this && this.__metadata) || function (k, v) {\n                if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n            };"
+    };
+    ts.paramHelper = {
+        name: "typescript:param",
+        importName: "__param",
+        scoped: false,
+        priority: 4,
+        text: "\n            var __param = (this && this.__param) || function (paramIndex, decorator) {\n                return function (target, key) { decorator(target, key, paramIndex); }\n            };"
+    };
+    // ES2018 Helpers
+    ts.assignHelper = {
+        name: "typescript:assign",
+        importName: "__assign",
+        scoped: false,
+        priority: 1,
+        text: "\n            var __assign = (this && this.__assign) || function () {\n                __assign = Object.assign || function(t) {\n                    for (var s, i = 1, n = arguments.length; i < n; i++) {\n                        s = arguments[i];\n                        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n                            t[p] = s[p];\n                    }\n                    return t;\n                };\n                return __assign.apply(this, arguments);\n            };"
+    };
+    ts.awaitHelper = {
+        name: "typescript:await",
+        importName: "__await",
+        scoped: false,
+        text: "\n            var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }"
+    };
+    ts.asyncGeneratorHelper = {
+        name: "typescript:asyncGenerator",
+        importName: "__asyncGenerator",
+        scoped: false,
+        dependencies: [ts.awaitHelper],
+        text: "\n            var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {\n                if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n                var g = generator.apply(thisArg, _arguments || []), i, q = [];\n                return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\n                function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\n                function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\n                function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\n                function fulfill(value) { resume(\"next\", value); }\n                function reject(value) { resume(\"throw\", value); }\n                function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\n            };"
+    };
+    ts.asyncDelegator = {
+        name: "typescript:asyncDelegator",
+        importName: "__asyncDelegator",
+        scoped: false,
+        dependencies: [ts.awaitHelper],
+        text: "\n            var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {\n                var i, p;\n                return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\n                function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\n            };"
+    };
+    ts.asyncValues = {
+        name: "typescript:asyncValues",
+        importName: "__asyncValues",
+        scoped: false,
+        text: "\n            var __asyncValues = (this && this.__asyncValues) || function (o) {\n                if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n                var m = o[Symbol.asyncIterator], i;\n                return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\n                function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\n                function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\n            };"
+    };
+    // ES2018 Destructuring Helpers
+    ts.restHelper = {
+        name: "typescript:rest",
+        importName: "__rest",
+        scoped: false,
+        text: "\n            var __rest = (this && this.__rest) || function (s, e) {\n                var t = {};\n                for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n                    t[p] = s[p];\n                if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n                    for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n                        if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n                            t[p[i]] = s[p[i]];\n                    }\n                return t;\n            };"
+    };
+    // ES2017 Helpers
+    ts.awaiterHelper = {
+        name: "typescript:awaiter",
+        importName: "__awaiter",
+        scoped: false,
+        priority: 5,
+        text: "\n            var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n                function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n                return new (P || (P = Promise))(function (resolve, reject) {\n                    function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n                    function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n                    function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n                    step((generator = generator.apply(thisArg, _arguments || [])).next());\n                });\n            };"
+    };
+    // ES2015 Helpers
+    ts.extendsHelper = {
+        name: "typescript:extends",
+        importName: "__extends",
+        scoped: false,
+        priority: 0,
+        text: "\n            var __extends = (this && this.__extends) || (function () {\n                var extendStatics = function (d, b) {\n                    extendStatics = Object.setPrototypeOf ||\n                        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n                        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n                    return extendStatics(d, b);\n                };\n\n                return function (d, b) {\n                    if (typeof b !== \"function\" && b !== null)\n                        throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n                    extendStatics(d, b);\n                    function __() { this.constructor = d; }\n                    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n                };\n            })();"
+    };
+    ts.templateObjectHelper = {
+        name: "typescript:makeTemplateObject",
+        importName: "__makeTemplateObject",
+        scoped: false,
+        priority: 0,
+        text: "\n            var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {\n                if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\n                return cooked;\n            };"
+    };
+    ts.readHelper = {
+        name: "typescript:read",
+        importName: "__read",
+        scoped: false,
+        text: "\n            var __read = (this && this.__read) || function (o, n) {\n                var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n                if (!m) return o;\n                var i = m.call(o), r, ar = [], e;\n                try {\n                    while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n                }\n                catch (error) { e = { error: error }; }\n                finally {\n                    try {\n                        if (r && !r.done && (m = i[\"return\"])) m.call(i);\n                    }\n                    finally { if (e) throw e.error; }\n                }\n                return ar;\n            };"
+    };
+    ts.spreadArrayHelper = {
+        name: "typescript:spreadArray",
+        importName: "__spreadArray",
+        scoped: false,
+        text: "\n            var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {\n                if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n                    if (ar || !(i in from)) {\n                        if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n                        ar[i] = from[i];\n                    }\n                }\n                return to.concat(ar || Array.prototype.slice.call(from));\n            };"
+    };
+    // ES2015 Destructuring Helpers
+    ts.valuesHelper = {
+        name: "typescript:values",
+        importName: "__values",
+        scoped: false,
+        text: "\n            var __values = (this && this.__values) || function(o) {\n                var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n                if (m) return m.call(o);\n                if (o && typeof o.length === \"number\") return {\n                    next: function () {\n                        if (o && i >= o.length) o = void 0;\n                        return { value: o && o[i++], done: !o };\n                    }\n                };\n                throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n            };"
+    };
+    // ES2015 Generator Helpers
+    // The __generator helper is used by down-level transformations to emulate the runtime
+    // semantics of an ES2015 generator function. When called, this helper returns an
+    // object that implements the Iterator protocol, in that it has `next`, `return`, and
+    // `throw` methods that step through the generator when invoked.
+    //
+    // parameters:
+    //  @param thisArg  The value to use as the `this` binding for the transformed generator body.
+    //  @param body     A function that acts as the transformed generator body.
+    //
+    // variables:
+    //  _       Persistent state for the generator that is shared between the helper and the
+    //          generator body. The state object has the following members:
+    //            sent() - A method that returns or throws the current completion value.
+    //            label  - The next point at which to resume evaluation of the generator body.
+    //            trys   - A stack of protected regions (try/catch/finally blocks).
+    //            ops    - A stack of pending instructions when inside of a finally block.
+    //  f       A value indicating whether the generator is executing.
+    //  y       An iterator to delegate for a yield*.
+    //  t       A temporary variable that holds one of the following values (note that these
+    //          cases do not overlap):
+    //          - The completion value when resuming from a `yield` or `yield*`.
+    //          - The error value for a catch block.
+    //          - The current protected region (array of try/catch/finally/end labels).
+    //          - The verb (`next`, `throw`, or `return` method) to delegate to the expression
+    //            of a `yield*`.
+    //          - The result of evaluating the verb delegated to the expression of a `yield*`.
+    //
+    // functions:
+    //  verb(n)     Creates a bound callback to the `step` function for opcode `n`.
+    //  step(op)    Evaluates opcodes in a generator body until execution is suspended or
+    //              completed.
+    //
+    // The __generator helper understands a limited set of instructions:
+    //  0: next(value?)     - Start or resume the generator with the specified value.
+    //  1: throw(error)     - Resume the generator with an exception. If the generator is
+    //                        suspended inside of one or more protected regions, evaluates
+    //                        any intervening finally blocks between the current label and
+    //                        the nearest catch block or function boundary. If uncaught, the
+    //                        exception is thrown to the caller.
+    //  2: return(value?)   - Resume the generator as if with a return. If the generator is
+    //                        suspended inside of one or more protected regions, evaluates any
+    //                        intervening finally blocks.
+    //  3: break(label)     - Jump to the specified label. If the label is outside of the
+    //                        current protected region, evaluates any intervening finally
+    //                        blocks.
+    //  4: yield(value?)    - Yield execution to the caller with an optional value. When
+    //                        resumed, the generator will continue at the next label.
+    //  5: yield*(value)    - Delegates evaluation to the supplied iterator. When
+    //                        delegation completes, the generator will continue at the next
+    //                        label.
+    //  6: catch(error)     - Handles an exception thrown from within the generator body. If
+    //                        the current label is inside of one or more protected regions,
+    //                        evaluates any intervening finally blocks between the current
+    //                        label and the nearest catch block or function boundary. If
+    //                        uncaught, the exception is thrown to the caller.
+    //  7: endfinally       - Ends a finally block, resuming the last instruction prior to
+    //                        entering a finally block.
+    //
+    // For examples of how these are used, see the comments in ./transformers/generators.ts
+    ts.generatorHelper = {
+        name: "typescript:generator",
+        importName: "__generator",
+        scoped: false,
+        priority: 6,
+        text: "\n            var __generator = (this && this.__generator) || function (thisArg, body) {\n                var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\n                return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\n                function verb(n) { return function (v) { return step([n, v]); }; }\n                function step(op) {\n                    if (f) throw new TypeError(\"Generator is already executing.\");\n                    while (_) try {\n                        if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\n                        if (y = 0, t) op = [op[0] & 2, t.value];\n                        switch (op[0]) {\n                            case 0: case 1: t = op; break;\n                            case 4: _.label++; return { value: op[1], done: false };\n                            case 5: _.label++; y = op[1]; op = [0]; continue;\n                            case 7: op = _.ops.pop(); _.trys.pop(); continue;\n                            default:\n                                if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n                                if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n                                if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n                                if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n                                if (t[2]) _.ops.pop();\n                                _.trys.pop(); continue;\n                        }\n                        op = body.call(thisArg, _);\n                    } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n                    if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n                }\n            };"
+    };
+    // ES Module Helpers
+    ts.createBindingHelper = {
+        name: "typescript:commonjscreatebinding",
+        importName: "__createBinding",
+        scoped: false,
+        priority: 1,
+        text: "\n            var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n                if (k2 === undefined) k2 = k;\n                var desc = Object.getOwnPropertyDescriptor(m, k);\n                if (!desc || (\"get\" in desc ? !m.__esModule : desc.writable || desc.configurable)) {\n                  desc = { enumerable: true, get: function() { return m[k]; } };\n                }\n                Object.defineProperty(o, k2, desc);\n            }) : (function(o, m, k, k2) {\n                if (k2 === undefined) k2 = k;\n                o[k2] = m[k];\n            }));"
+    };
+    ts.setModuleDefaultHelper = {
+        name: "typescript:commonjscreatevalue",
+        importName: "__setModuleDefault",
+        scoped: false,
+        priority: 1,
+        text: "\n            var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n                Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n            }) : function(o, v) {\n                o[\"default\"] = v;\n            });"
+    };
+    // emit helper for `import * as Name from "foo"`
+    ts.importStarHelper = {
+        name: "typescript:commonjsimportstar",
+        importName: "__importStar",
+        scoped: false,
+        dependencies: [ts.createBindingHelper, ts.setModuleDefaultHelper],
+        priority: 2,
+        text: "\n            var __importStar = (this && this.__importStar) || function (mod) {\n                if (mod && mod.__esModule) return mod;\n                var result = {};\n                if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n                __setModuleDefault(result, mod);\n                return result;\n            };"
+    };
+    // emit helper for `import Name from "foo"`
+    ts.importDefaultHelper = {
+        name: "typescript:commonjsimportdefault",
+        importName: "__importDefault",
+        scoped: false,
+        text: "\n            var __importDefault = (this && this.__importDefault) || function (mod) {\n                return (mod && mod.__esModule) ? mod : { \"default\": mod };\n            };"
+    };
+    ts.exportStarHelper = {
+        name: "typescript:export-star",
+        importName: "__exportStar",
+        scoped: false,
+        dependencies: [ts.createBindingHelper],
+        priority: 2,
+        text: "\n            var __exportStar = (this && this.__exportStar) || function(m, exports) {\n                for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);\n            };"
+    };
+    /**
+     * Parameters:
+     *  @param receiver — The object from which the private member will be read.
+     *  @param state — One of the following:
+     *      - A WeakMap used to read a private instance field.
+     *      - A WeakSet used as an instance brand for private instance methods and accessors.
+     *      - A function value that should be the undecorated class constructor used to brand check private static fields, methods, and accessors.
+     *  @param kind — (optional pre TS 4.3, required for TS 4.3+) One of the following values:
+     *      - undefined — Indicates a private instance field (pre TS 4.3).
+     *      - "f" — Indicates a private field (instance or static).
+     *      - "m" — Indicates a private method (instance or static).
+     *      - "a" — Indicates a private accessor (instance or static).
+     *  @param f — (optional pre TS 4.3) Depends on the arguments for state and kind:
+     *      - If kind is "m", this should be the function corresponding to the static or instance method.
+     *      - If kind is "a", this should be the function corresponding to the getter method, or undefined if the getter was not defined.
+     *      - If kind is "f" and state is a function, this should be an object holding the value of a static field, or undefined if the static field declaration has not yet been evaluated.
+     * Usage:
+     * This helper will only ever be used by the compiler in the following ways:
+     *
+     * Reading from a private instance field (pre TS 4.3):
+     *      __classPrivateFieldGet(, )
+     *
+     * Reading from a private instance field (TS 4.3+):
+     *      __classPrivateFieldGet(, , "f")
+     *
+     * Reading from a private instance get accessor (when defined, TS 4.3+):
+     *      __classPrivateFieldGet(, , "a", )
+     *
+     * Reading from a private instance get accessor (when not defined, TS 4.3+):
+     *      __classPrivateFieldGet(, , "a", void 0)
+     *      NOTE: This always results in a runtime error.
+     *
+     * Reading from a private instance method (TS 4.3+):
+     *      __classPrivateFieldGet(, , "m", )
+     *
+     * Reading from a private static field (TS 4.3+):
+     *      __classPrivateFieldGet(, , "f", <{ value: any }>)
+     *
+     * Reading from a private static get accessor (when defined, TS 4.3+):
+     *      __classPrivateFieldGet(, , "a", )
+     *
+     * Reading from a private static get accessor (when not defined, TS 4.3+):
+     *      __classPrivateFieldGet(, , "a", void 0)
+     *      NOTE: This always results in a runtime error.
+     *
+     * Reading from a private static method (TS 4.3+):
+     *      __classPrivateFieldGet(, , "m", )
+     */
+    ts.classPrivateFieldGetHelper = {
+        name: "typescript:classPrivateFieldGet",
+        importName: "__classPrivateFieldGet",
+        scoped: false,
+        text: "\n            var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {\n                if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\n                if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\n                return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\n            };"
+    };
+    /**
+     * Parameters:
+     *  @param receiver — The object on which the private member will be set.
+     *  @param state — One of the following:
+     *      - A WeakMap used to store a private instance field.
+     *      - A WeakSet used as an instance brand for private instance methods and accessors.
+     *      - A function value that should be the undecorated class constructor used to brand check private static fields, methods, and accessors.
+     *  @param value — The value to set.
+     *  @param kind — (optional pre TS 4.3, required for TS 4.3+) One of the following values:
+     *       - undefined — Indicates a private instance field (pre TS 4.3).
+     *       - "f" — Indicates a private field (instance or static).
+     *       - "m" — Indicates a private method (instance or static).
+     *       - "a" — Indicates a private accessor (instance or static).
+     *   @param f — (optional pre TS 4.3) Depends on the arguments for state and kind:
+     *       - If kind is "m", this should be the function corresponding to the static or instance method.
+     *       - If kind is "a", this should be the function corresponding to the setter method, or undefined if the setter was not defined.
+     *       - If kind is "f" and state is a function, this should be an object holding the value of a static field, or undefined if the static field declaration has not yet been evaluated.
+     * Usage:
+     * This helper will only ever be used by the compiler in the following ways:
+     *
+     * Writing to a private instance field (pre TS 4.3):
+     *      __classPrivateFieldSet(, , )
+     *
+     * Writing to a private instance field (TS 4.3+):
+     *      __classPrivateFieldSet(, , , "f")
+     *
+     * Writing to a private instance set accessor (when defined, TS 4.3+):
+     *      __classPrivateFieldSet(, , , "a", )
+     *
+     * Writing to a private instance set accessor (when not defined, TS 4.3+):
+     *      __classPrivateFieldSet(, , , "a", void 0)
+     *      NOTE: This always results in a runtime error.
+     *
+     * Writing to a private instance method (TS 4.3+):
+     *      __classPrivateFieldSet(, , , "m", )
+     *      NOTE: This always results in a runtime error.
+     *
+     * Writing to a private static field (TS 4.3+):
+     *      __classPrivateFieldSet(, , , "f", <{ value: any }>)
+     *
+     * Writing to a private static set accessor (when defined, TS 4.3+):
+     *      __classPrivateFieldSet(, , , "a", )
+     *
+     * Writing to a private static set accessor (when not defined, TS 4.3+):
+     *      __classPrivateFieldSet(, , , "a", void 0)
+     *      NOTE: This always results in a runtime error.
+     *
+     * Writing to a private static method (TS 4.3+):
+     *      __classPrivateFieldSet(, , , "m", )
+     *      NOTE: This always results in a runtime error.
+     */
+    ts.classPrivateFieldSetHelper = {
+        name: "typescript:classPrivateFieldSet",
+        importName: "__classPrivateFieldSet",
+        scoped: false,
+        text: "\n            var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {\n                if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\n                if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\n                if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\n                return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\n            };"
+    };
+    /**
+     * Parameters:
+     *  @param state — One of the following:
+     *      - A WeakMap when the member is a private instance field.
+     *      - A WeakSet when the member is a private instance method or accessor.
+     *      - A function value that should be the undecorated class constructor when the member is a private static field, method, or accessor.
+     *  @param receiver — The object being checked if it has the private member.
+     *
+     * Usage:
+     * This helper is used to transform `#field in expression` to
+     *      `__classPrivateFieldIn(, expression)`
+     */
+    ts.classPrivateFieldInHelper = {
+        name: "typescript:classPrivateFieldIn",
+        importName: "__classPrivateFieldIn",
+        scoped: false,
+        text: "\n            var __classPrivateFieldIn = (this && this.__classPrivateFieldIn) || function(state, receiver) {\n                if (receiver === null || (typeof receiver !== \"object\" && typeof receiver !== \"function\")) throw new TypeError(\"Cannot use 'in' operator on non-object\");\n                return typeof state === \"function\" ? receiver === state : state.has(receiver);\n            };"
+    };
+    var allUnscopedEmitHelpers;
+    function getAllUnscopedEmitHelpers() {
+        return allUnscopedEmitHelpers || (allUnscopedEmitHelpers = ts.arrayToMap([
+            ts.decorateHelper,
+            ts.metadataHelper,
+            ts.paramHelper,
+            ts.assignHelper,
+            ts.awaitHelper,
+            ts.asyncGeneratorHelper,
+            ts.asyncDelegator,
+            ts.asyncValues,
+            ts.restHelper,
+            ts.awaiterHelper,
+            ts.extendsHelper,
+            ts.templateObjectHelper,
+            ts.spreadArrayHelper,
+            ts.valuesHelper,
+            ts.readHelper,
+            ts.generatorHelper,
+            ts.importStarHelper,
+            ts.importDefaultHelper,
+            ts.exportStarHelper,
+            ts.classPrivateFieldGetHelper,
+            ts.classPrivateFieldSetHelper,
+            ts.classPrivateFieldInHelper,
+            ts.createBindingHelper,
+            ts.setModuleDefaultHelper
+        ], function (helper) { return helper.name; }));
+    }
+    ts.getAllUnscopedEmitHelpers = getAllUnscopedEmitHelpers;
+    ts.asyncSuperHelper = {
+        name: "typescript:async-super",
+        scoped: true,
+        text: helperString(__makeTemplateObject(["\n            const ", " = name => super[name];"], ["\n            const ", " = name => super[name];"]), "_superIndex")
+    };
+    ts.advancedAsyncSuperHelper = {
+        name: "typescript:advanced-async-super",
+        scoped: true,
+        text: helperString(__makeTemplateObject(["\n            const ", " = (function (geti, seti) {\n                const cache = Object.create(null);\n                return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n            })(name => super[name], (name, value) => super[name] = value);"], ["\n            const ", " = (function (geti, seti) {\n                const cache = Object.create(null);\n                return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n            })(name => super[name], (name, value) => super[name] = value);"]), "_superIndex")
+    };
+    function isCallToHelper(firstSegment, helperName) {
+        return ts.isCallExpression(firstSegment)
+            && ts.isIdentifier(firstSegment.expression)
+            && (ts.getEmitFlags(firstSegment.expression) & 4096 /* EmitFlags.HelperName */) !== 0
+            && firstSegment.expression.escapedText === helperName;
+    }
+    ts.isCallToHelper = isCallToHelper;
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    // Literals
+    function isNumericLiteral(node) {
+        return node.kind === 8 /* SyntaxKind.NumericLiteral */;
+    }
+    ts.isNumericLiteral = isNumericLiteral;
+    function isBigIntLiteral(node) {
+        return node.kind === 9 /* SyntaxKind.BigIntLiteral */;
+    }
+    ts.isBigIntLiteral = isBigIntLiteral;
+    function isStringLiteral(node) {
+        return node.kind === 10 /* SyntaxKind.StringLiteral */;
+    }
+    ts.isStringLiteral = isStringLiteral;
+    function isJsxText(node) {
+        return node.kind === 11 /* SyntaxKind.JsxText */;
+    }
+    ts.isJsxText = isJsxText;
+    function isRegularExpressionLiteral(node) {
+        return node.kind === 13 /* SyntaxKind.RegularExpressionLiteral */;
+    }
+    ts.isRegularExpressionLiteral = isRegularExpressionLiteral;
+    function isNoSubstitutionTemplateLiteral(node) {
+        return node.kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */;
+    }
+    ts.isNoSubstitutionTemplateLiteral = isNoSubstitutionTemplateLiteral;
+    // Pseudo-literals
+    function isTemplateHead(node) {
+        return node.kind === 15 /* SyntaxKind.TemplateHead */;
+    }
+    ts.isTemplateHead = isTemplateHead;
+    function isTemplateMiddle(node) {
+        return node.kind === 16 /* SyntaxKind.TemplateMiddle */;
+    }
+    ts.isTemplateMiddle = isTemplateMiddle;
+    function isTemplateTail(node) {
+        return node.kind === 17 /* SyntaxKind.TemplateTail */;
+    }
+    ts.isTemplateTail = isTemplateTail;
+    // Punctuation
+    function isDotDotDotToken(node) {
+        return node.kind === 25 /* SyntaxKind.DotDotDotToken */;
+    }
+    ts.isDotDotDotToken = isDotDotDotToken;
+    /*@internal*/
+    function isCommaToken(node) {
+        return node.kind === 27 /* SyntaxKind.CommaToken */;
+    }
+    ts.isCommaToken = isCommaToken;
+    function isPlusToken(node) {
+        return node.kind === 39 /* SyntaxKind.PlusToken */;
+    }
+    ts.isPlusToken = isPlusToken;
+    function isMinusToken(node) {
+        return node.kind === 40 /* SyntaxKind.MinusToken */;
+    }
+    ts.isMinusToken = isMinusToken;
+    function isAsteriskToken(node) {
+        return node.kind === 41 /* SyntaxKind.AsteriskToken */;
+    }
+    ts.isAsteriskToken = isAsteriskToken;
+    /*@internal*/
+    function isExclamationToken(node) {
+        return node.kind === 53 /* SyntaxKind.ExclamationToken */;
+    }
+    ts.isExclamationToken = isExclamationToken;
+    /*@internal*/
+    function isQuestionToken(node) {
+        return node.kind === 57 /* SyntaxKind.QuestionToken */;
+    }
+    ts.isQuestionToken = isQuestionToken;
+    /*@internal*/
+    function isColonToken(node) {
+        return node.kind === 58 /* SyntaxKind.ColonToken */;
+    }
+    ts.isColonToken = isColonToken;
+    /*@internal*/
+    function isQuestionDotToken(node) {
+        return node.kind === 28 /* SyntaxKind.QuestionDotToken */;
+    }
+    ts.isQuestionDotToken = isQuestionDotToken;
+    /*@internal*/
+    function isEqualsGreaterThanToken(node) {
+        return node.kind === 38 /* SyntaxKind.EqualsGreaterThanToken */;
+    }
+    ts.isEqualsGreaterThanToken = isEqualsGreaterThanToken;
+    // Identifiers
+    function isIdentifier(node) {
+        return node.kind === 79 /* SyntaxKind.Identifier */;
+    }
+    ts.isIdentifier = isIdentifier;
+    function isPrivateIdentifier(node) {
+        return node.kind === 80 /* SyntaxKind.PrivateIdentifier */;
+    }
+    ts.isPrivateIdentifier = isPrivateIdentifier;
+    // Reserved Words
+    /* @internal */
+    function isExportModifier(node) {
+        return node.kind === 93 /* SyntaxKind.ExportKeyword */;
+    }
+    ts.isExportModifier = isExportModifier;
+    /* @internal */
+    function isAsyncModifier(node) {
+        return node.kind === 131 /* SyntaxKind.AsyncKeyword */;
+    }
+    ts.isAsyncModifier = isAsyncModifier;
+    /* @internal */
+    function isAssertsKeyword(node) {
+        return node.kind === 128 /* SyntaxKind.AssertsKeyword */;
+    }
+    ts.isAssertsKeyword = isAssertsKeyword;
+    /* @internal */
+    function isAwaitKeyword(node) {
+        return node.kind === 132 /* SyntaxKind.AwaitKeyword */;
+    }
+    ts.isAwaitKeyword = isAwaitKeyword;
+    /* @internal */
+    function isReadonlyKeyword(node) {
+        return node.kind === 145 /* SyntaxKind.ReadonlyKeyword */;
+    }
+    ts.isReadonlyKeyword = isReadonlyKeyword;
+    /* @internal */
+    function isStaticModifier(node) {
+        return node.kind === 124 /* SyntaxKind.StaticKeyword */;
+    }
+    ts.isStaticModifier = isStaticModifier;
+    /* @internal */
+    function isAbstractModifier(node) {
+        return node.kind === 126 /* SyntaxKind.AbstractKeyword */;
+    }
+    ts.isAbstractModifier = isAbstractModifier;
+    /*@internal*/
+    function isSuperKeyword(node) {
+        return node.kind === 106 /* SyntaxKind.SuperKeyword */;
+    }
+    ts.isSuperKeyword = isSuperKeyword;
+    /*@internal*/
+    function isImportKeyword(node) {
+        return node.kind === 100 /* SyntaxKind.ImportKeyword */;
+    }
+    ts.isImportKeyword = isImportKeyword;
+    // Names
+    function isQualifiedName(node) {
+        return node.kind === 161 /* SyntaxKind.QualifiedName */;
+    }
+    ts.isQualifiedName = isQualifiedName;
+    function isComputedPropertyName(node) {
+        return node.kind === 162 /* SyntaxKind.ComputedPropertyName */;
+    }
+    ts.isComputedPropertyName = isComputedPropertyName;
+    // Signature elements
+    function isTypeParameterDeclaration(node) {
+        return node.kind === 163 /* SyntaxKind.TypeParameter */;
+    }
+    ts.isTypeParameterDeclaration = isTypeParameterDeclaration;
+    // TODO(rbuckton): Rename to 'isParameterDeclaration'
+    function isParameter(node) {
+        return node.kind === 164 /* SyntaxKind.Parameter */;
+    }
+    ts.isParameter = isParameter;
+    function isDecorator(node) {
+        return node.kind === 165 /* SyntaxKind.Decorator */;
+    }
+    ts.isDecorator = isDecorator;
+    // TypeMember
+    function isPropertySignature(node) {
+        return node.kind === 166 /* SyntaxKind.PropertySignature */;
+    }
+    ts.isPropertySignature = isPropertySignature;
+    function isPropertyDeclaration(node) {
+        return node.kind === 167 /* SyntaxKind.PropertyDeclaration */;
+    }
+    ts.isPropertyDeclaration = isPropertyDeclaration;
+    function isMethodSignature(node) {
+        return node.kind === 168 /* SyntaxKind.MethodSignature */;
+    }
+    ts.isMethodSignature = isMethodSignature;
+    function isMethodDeclaration(node) {
+        return node.kind === 169 /* SyntaxKind.MethodDeclaration */;
+    }
+    ts.isMethodDeclaration = isMethodDeclaration;
+    function isClassStaticBlockDeclaration(node) {
+        return node.kind === 170 /* SyntaxKind.ClassStaticBlockDeclaration */;
+    }
+    ts.isClassStaticBlockDeclaration = isClassStaticBlockDeclaration;
+    function isConstructorDeclaration(node) {
+        return node.kind === 171 /* SyntaxKind.Constructor */;
+    }
+    ts.isConstructorDeclaration = isConstructorDeclaration;
+    function isGetAccessorDeclaration(node) {
+        return node.kind === 172 /* SyntaxKind.GetAccessor */;
+    }
+    ts.isGetAccessorDeclaration = isGetAccessorDeclaration;
+    function isSetAccessorDeclaration(node) {
+        return node.kind === 173 /* SyntaxKind.SetAccessor */;
+    }
+    ts.isSetAccessorDeclaration = isSetAccessorDeclaration;
+    function isCallSignatureDeclaration(node) {
+        return node.kind === 174 /* SyntaxKind.CallSignature */;
+    }
+    ts.isCallSignatureDeclaration = isCallSignatureDeclaration;
+    function isConstructSignatureDeclaration(node) {
+        return node.kind === 175 /* SyntaxKind.ConstructSignature */;
+    }
+    ts.isConstructSignatureDeclaration = isConstructSignatureDeclaration;
+    function isIndexSignatureDeclaration(node) {
+        return node.kind === 176 /* SyntaxKind.IndexSignature */;
+    }
+    ts.isIndexSignatureDeclaration = isIndexSignatureDeclaration;
+    // Type
+    function isTypePredicateNode(node) {
+        return node.kind === 177 /* SyntaxKind.TypePredicate */;
+    }
+    ts.isTypePredicateNode = isTypePredicateNode;
+    function isTypeReferenceNode(node) {
+        return node.kind === 178 /* SyntaxKind.TypeReference */;
+    }
+    ts.isTypeReferenceNode = isTypeReferenceNode;
+    function isFunctionTypeNode(node) {
+        return node.kind === 179 /* SyntaxKind.FunctionType */;
+    }
+    ts.isFunctionTypeNode = isFunctionTypeNode;
+    function isConstructorTypeNode(node) {
+        return node.kind === 180 /* SyntaxKind.ConstructorType */;
+    }
+    ts.isConstructorTypeNode = isConstructorTypeNode;
+    function isTypeQueryNode(node) {
+        return node.kind === 181 /* SyntaxKind.TypeQuery */;
+    }
+    ts.isTypeQueryNode = isTypeQueryNode;
+    function isTypeLiteralNode(node) {
+        return node.kind === 182 /* SyntaxKind.TypeLiteral */;
+    }
+    ts.isTypeLiteralNode = isTypeLiteralNode;
+    function isArrayTypeNode(node) {
+        return node.kind === 183 /* SyntaxKind.ArrayType */;
+    }
+    ts.isArrayTypeNode = isArrayTypeNode;
+    function isTupleTypeNode(node) {
+        return node.kind === 184 /* SyntaxKind.TupleType */;
+    }
+    ts.isTupleTypeNode = isTupleTypeNode;
+    function isNamedTupleMember(node) {
+        return node.kind === 197 /* SyntaxKind.NamedTupleMember */;
+    }
+    ts.isNamedTupleMember = isNamedTupleMember;
+    function isOptionalTypeNode(node) {
+        return node.kind === 185 /* SyntaxKind.OptionalType */;
+    }
+    ts.isOptionalTypeNode = isOptionalTypeNode;
+    function isRestTypeNode(node) {
+        return node.kind === 186 /* SyntaxKind.RestType */;
+    }
+    ts.isRestTypeNode = isRestTypeNode;
+    function isUnionTypeNode(node) {
+        return node.kind === 187 /* SyntaxKind.UnionType */;
+    }
+    ts.isUnionTypeNode = isUnionTypeNode;
+    function isIntersectionTypeNode(node) {
+        return node.kind === 188 /* SyntaxKind.IntersectionType */;
+    }
+    ts.isIntersectionTypeNode = isIntersectionTypeNode;
+    function isConditionalTypeNode(node) {
+        return node.kind === 189 /* SyntaxKind.ConditionalType */;
+    }
+    ts.isConditionalTypeNode = isConditionalTypeNode;
+    function isInferTypeNode(node) {
+        return node.kind === 190 /* SyntaxKind.InferType */;
+    }
+    ts.isInferTypeNode = isInferTypeNode;
+    function isParenthesizedTypeNode(node) {
+        return node.kind === 191 /* SyntaxKind.ParenthesizedType */;
+    }
+    ts.isParenthesizedTypeNode = isParenthesizedTypeNode;
+    function isThisTypeNode(node) {
+        return node.kind === 192 /* SyntaxKind.ThisType */;
+    }
+    ts.isThisTypeNode = isThisTypeNode;
+    function isTypeOperatorNode(node) {
+        return node.kind === 193 /* SyntaxKind.TypeOperator */;
+    }
+    ts.isTypeOperatorNode = isTypeOperatorNode;
+    function isIndexedAccessTypeNode(node) {
+        return node.kind === 194 /* SyntaxKind.IndexedAccessType */;
+    }
+    ts.isIndexedAccessTypeNode = isIndexedAccessTypeNode;
+    function isMappedTypeNode(node) {
+        return node.kind === 195 /* SyntaxKind.MappedType */;
+    }
+    ts.isMappedTypeNode = isMappedTypeNode;
+    function isLiteralTypeNode(node) {
+        return node.kind === 196 /* SyntaxKind.LiteralType */;
+    }
+    ts.isLiteralTypeNode = isLiteralTypeNode;
+    function isImportTypeNode(node) {
+        return node.kind === 200 /* SyntaxKind.ImportType */;
+    }
+    ts.isImportTypeNode = isImportTypeNode;
+    function isTemplateLiteralTypeSpan(node) {
+        return node.kind === 199 /* SyntaxKind.TemplateLiteralTypeSpan */;
+    }
+    ts.isTemplateLiteralTypeSpan = isTemplateLiteralTypeSpan;
+    function isTemplateLiteralTypeNode(node) {
+        return node.kind === 198 /* SyntaxKind.TemplateLiteralType */;
+    }
+    ts.isTemplateLiteralTypeNode = isTemplateLiteralTypeNode;
+    // Binding patterns
+    function isObjectBindingPattern(node) {
+        return node.kind === 201 /* SyntaxKind.ObjectBindingPattern */;
+    }
+    ts.isObjectBindingPattern = isObjectBindingPattern;
+    function isArrayBindingPattern(node) {
+        return node.kind === 202 /* SyntaxKind.ArrayBindingPattern */;
+    }
+    ts.isArrayBindingPattern = isArrayBindingPattern;
+    function isBindingElement(node) {
+        return node.kind === 203 /* SyntaxKind.BindingElement */;
+    }
+    ts.isBindingElement = isBindingElement;
+    // Expression
+    function isArrayLiteralExpression(node) {
+        return node.kind === 204 /* SyntaxKind.ArrayLiteralExpression */;
+    }
+    ts.isArrayLiteralExpression = isArrayLiteralExpression;
+    function isObjectLiteralExpression(node) {
+        return node.kind === 205 /* SyntaxKind.ObjectLiteralExpression */;
+    }
+    ts.isObjectLiteralExpression = isObjectLiteralExpression;
+    function isPropertyAccessExpression(node) {
+        return node.kind === 206 /* SyntaxKind.PropertyAccessExpression */;
+    }
+    ts.isPropertyAccessExpression = isPropertyAccessExpression;
+    function isElementAccessExpression(node) {
+        return node.kind === 207 /* SyntaxKind.ElementAccessExpression */;
+    }
+    ts.isElementAccessExpression = isElementAccessExpression;
+    function isCallExpression(node) {
+        return node.kind === 208 /* SyntaxKind.CallExpression */;
+    }
+    ts.isCallExpression = isCallExpression;
+    function isNewExpression(node) {
+        return node.kind === 209 /* SyntaxKind.NewExpression */;
+    }
+    ts.isNewExpression = isNewExpression;
+    function isTaggedTemplateExpression(node) {
+        return node.kind === 210 /* SyntaxKind.TaggedTemplateExpression */;
+    }
+    ts.isTaggedTemplateExpression = isTaggedTemplateExpression;
+    function isTypeAssertionExpression(node) {
+        return node.kind === 211 /* SyntaxKind.TypeAssertionExpression */;
+    }
+    ts.isTypeAssertionExpression = isTypeAssertionExpression;
+    function isParenthesizedExpression(node) {
+        return node.kind === 212 /* SyntaxKind.ParenthesizedExpression */;
+    }
+    ts.isParenthesizedExpression = isParenthesizedExpression;
+    function isFunctionExpression(node) {
+        return node.kind === 213 /* SyntaxKind.FunctionExpression */;
+    }
+    ts.isFunctionExpression = isFunctionExpression;
+    function isArrowFunction(node) {
+        return node.kind === 214 /* SyntaxKind.ArrowFunction */;
+    }
+    ts.isArrowFunction = isArrowFunction;
+    function isDeleteExpression(node) {
+        return node.kind === 215 /* SyntaxKind.DeleteExpression */;
+    }
+    ts.isDeleteExpression = isDeleteExpression;
+    function isTypeOfExpression(node) {
+        return node.kind === 216 /* SyntaxKind.TypeOfExpression */;
+    }
+    ts.isTypeOfExpression = isTypeOfExpression;
+    function isVoidExpression(node) {
+        return node.kind === 217 /* SyntaxKind.VoidExpression */;
+    }
+    ts.isVoidExpression = isVoidExpression;
+    function isAwaitExpression(node) {
+        return node.kind === 218 /* SyntaxKind.AwaitExpression */;
+    }
+    ts.isAwaitExpression = isAwaitExpression;
+    function isPrefixUnaryExpression(node) {
+        return node.kind === 219 /* SyntaxKind.PrefixUnaryExpression */;
+    }
+    ts.isPrefixUnaryExpression = isPrefixUnaryExpression;
+    function isPostfixUnaryExpression(node) {
+        return node.kind === 220 /* SyntaxKind.PostfixUnaryExpression */;
+    }
+    ts.isPostfixUnaryExpression = isPostfixUnaryExpression;
+    function isBinaryExpression(node) {
+        return node.kind === 221 /* SyntaxKind.BinaryExpression */;
+    }
+    ts.isBinaryExpression = isBinaryExpression;
+    function isConditionalExpression(node) {
+        return node.kind === 222 /* SyntaxKind.ConditionalExpression */;
+    }
+    ts.isConditionalExpression = isConditionalExpression;
+    function isTemplateExpression(node) {
+        return node.kind === 223 /* SyntaxKind.TemplateExpression */;
+    }
+    ts.isTemplateExpression = isTemplateExpression;
+    function isYieldExpression(node) {
+        return node.kind === 224 /* SyntaxKind.YieldExpression */;
+    }
+    ts.isYieldExpression = isYieldExpression;
+    function isSpreadElement(node) {
+        return node.kind === 225 /* SyntaxKind.SpreadElement */;
+    }
+    ts.isSpreadElement = isSpreadElement;
+    function isClassExpression(node) {
+        return node.kind === 226 /* SyntaxKind.ClassExpression */;
+    }
+    ts.isClassExpression = isClassExpression;
+    function isOmittedExpression(node) {
+        return node.kind === 227 /* SyntaxKind.OmittedExpression */;
+    }
+    ts.isOmittedExpression = isOmittedExpression;
+    function isExpressionWithTypeArguments(node) {
+        return node.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */;
+    }
+    ts.isExpressionWithTypeArguments = isExpressionWithTypeArguments;
+    function isAsExpression(node) {
+        return node.kind === 229 /* SyntaxKind.AsExpression */;
+    }
+    ts.isAsExpression = isAsExpression;
+    function isNonNullExpression(node) {
+        return node.kind === 230 /* SyntaxKind.NonNullExpression */;
+    }
+    ts.isNonNullExpression = isNonNullExpression;
+    function isMetaProperty(node) {
+        return node.kind === 231 /* SyntaxKind.MetaProperty */;
+    }
+    ts.isMetaProperty = isMetaProperty;
+    function isSyntheticExpression(node) {
+        return node.kind === 232 /* SyntaxKind.SyntheticExpression */;
+    }
+    ts.isSyntheticExpression = isSyntheticExpression;
+    function isPartiallyEmittedExpression(node) {
+        return node.kind === 350 /* SyntaxKind.PartiallyEmittedExpression */;
+    }
+    ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression;
+    function isCommaListExpression(node) {
+        return node.kind === 351 /* SyntaxKind.CommaListExpression */;
+    }
+    ts.isCommaListExpression = isCommaListExpression;
+    // Misc
+    function isTemplateSpan(node) {
+        return node.kind === 233 /* SyntaxKind.TemplateSpan */;
+    }
+    ts.isTemplateSpan = isTemplateSpan;
+    function isSemicolonClassElement(node) {
+        return node.kind === 234 /* SyntaxKind.SemicolonClassElement */;
+    }
+    ts.isSemicolonClassElement = isSemicolonClassElement;
+    // Elements
+    function isBlock(node) {
+        return node.kind === 235 /* SyntaxKind.Block */;
+    }
+    ts.isBlock = isBlock;
+    function isVariableStatement(node) {
+        return node.kind === 237 /* SyntaxKind.VariableStatement */;
+    }
+    ts.isVariableStatement = isVariableStatement;
+    function isEmptyStatement(node) {
+        return node.kind === 236 /* SyntaxKind.EmptyStatement */;
+    }
+    ts.isEmptyStatement = isEmptyStatement;
+    function isExpressionStatement(node) {
+        return node.kind === 238 /* SyntaxKind.ExpressionStatement */;
+    }
+    ts.isExpressionStatement = isExpressionStatement;
+    function isIfStatement(node) {
+        return node.kind === 239 /* SyntaxKind.IfStatement */;
+    }
+    ts.isIfStatement = isIfStatement;
+    function isDoStatement(node) {
+        return node.kind === 240 /* SyntaxKind.DoStatement */;
+    }
+    ts.isDoStatement = isDoStatement;
+    function isWhileStatement(node) {
+        return node.kind === 241 /* SyntaxKind.WhileStatement */;
+    }
+    ts.isWhileStatement = isWhileStatement;
+    function isForStatement(node) {
+        return node.kind === 242 /* SyntaxKind.ForStatement */;
+    }
+    ts.isForStatement = isForStatement;
+    function isForInStatement(node) {
+        return node.kind === 243 /* SyntaxKind.ForInStatement */;
+    }
+    ts.isForInStatement = isForInStatement;
+    function isForOfStatement(node) {
+        return node.kind === 244 /* SyntaxKind.ForOfStatement */;
+    }
+    ts.isForOfStatement = isForOfStatement;
+    function isContinueStatement(node) {
+        return node.kind === 245 /* SyntaxKind.ContinueStatement */;
+    }
+    ts.isContinueStatement = isContinueStatement;
+    function isBreakStatement(node) {
+        return node.kind === 246 /* SyntaxKind.BreakStatement */;
+    }
+    ts.isBreakStatement = isBreakStatement;
+    function isReturnStatement(node) {
+        return node.kind === 247 /* SyntaxKind.ReturnStatement */;
+    }
+    ts.isReturnStatement = isReturnStatement;
+    function isWithStatement(node) {
+        return node.kind === 248 /* SyntaxKind.WithStatement */;
+    }
+    ts.isWithStatement = isWithStatement;
+    function isSwitchStatement(node) {
+        return node.kind === 249 /* SyntaxKind.SwitchStatement */;
+    }
+    ts.isSwitchStatement = isSwitchStatement;
+    function isLabeledStatement(node) {
+        return node.kind === 250 /* SyntaxKind.LabeledStatement */;
+    }
+    ts.isLabeledStatement = isLabeledStatement;
+    function isThrowStatement(node) {
+        return node.kind === 251 /* SyntaxKind.ThrowStatement */;
+    }
+    ts.isThrowStatement = isThrowStatement;
+    function isTryStatement(node) {
+        return node.kind === 252 /* SyntaxKind.TryStatement */;
+    }
+    ts.isTryStatement = isTryStatement;
+    function isDebuggerStatement(node) {
+        return node.kind === 253 /* SyntaxKind.DebuggerStatement */;
+    }
+    ts.isDebuggerStatement = isDebuggerStatement;
+    function isVariableDeclaration(node) {
+        return node.kind === 254 /* SyntaxKind.VariableDeclaration */;
+    }
+    ts.isVariableDeclaration = isVariableDeclaration;
+    function isVariableDeclarationList(node) {
+        return node.kind === 255 /* SyntaxKind.VariableDeclarationList */;
+    }
+    ts.isVariableDeclarationList = isVariableDeclarationList;
+    function isFunctionDeclaration(node) {
+        return node.kind === 256 /* SyntaxKind.FunctionDeclaration */;
+    }
+    ts.isFunctionDeclaration = isFunctionDeclaration;
+    function isClassDeclaration(node) {
+        return node.kind === 257 /* SyntaxKind.ClassDeclaration */;
+    }
+    ts.isClassDeclaration = isClassDeclaration;
+    function isInterfaceDeclaration(node) {
+        return node.kind === 258 /* SyntaxKind.InterfaceDeclaration */;
+    }
+    ts.isInterfaceDeclaration = isInterfaceDeclaration;
+    function isTypeAliasDeclaration(node) {
+        return node.kind === 259 /* SyntaxKind.TypeAliasDeclaration */;
+    }
+    ts.isTypeAliasDeclaration = isTypeAliasDeclaration;
+    function isEnumDeclaration(node) {
+        return node.kind === 260 /* SyntaxKind.EnumDeclaration */;
+    }
+    ts.isEnumDeclaration = isEnumDeclaration;
+    function isModuleDeclaration(node) {
+        return node.kind === 261 /* SyntaxKind.ModuleDeclaration */;
+    }
+    ts.isModuleDeclaration = isModuleDeclaration;
+    function isModuleBlock(node) {
+        return node.kind === 262 /* SyntaxKind.ModuleBlock */;
+    }
+    ts.isModuleBlock = isModuleBlock;
+    function isCaseBlock(node) {
+        return node.kind === 263 /* SyntaxKind.CaseBlock */;
+    }
+    ts.isCaseBlock = isCaseBlock;
+    function isNamespaceExportDeclaration(node) {
+        return node.kind === 264 /* SyntaxKind.NamespaceExportDeclaration */;
+    }
+    ts.isNamespaceExportDeclaration = isNamespaceExportDeclaration;
+    function isImportEqualsDeclaration(node) {
+        return node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */;
+    }
+    ts.isImportEqualsDeclaration = isImportEqualsDeclaration;
+    function isImportDeclaration(node) {
+        return node.kind === 266 /* SyntaxKind.ImportDeclaration */;
+    }
+    ts.isImportDeclaration = isImportDeclaration;
+    function isImportClause(node) {
+        return node.kind === 267 /* SyntaxKind.ImportClause */;
+    }
+    ts.isImportClause = isImportClause;
+    function isImportTypeAssertionContainer(node) {
+        return node.kind === 295 /* SyntaxKind.ImportTypeAssertionContainer */;
+    }
+    ts.isImportTypeAssertionContainer = isImportTypeAssertionContainer;
+    function isAssertClause(node) {
+        return node.kind === 293 /* SyntaxKind.AssertClause */;
+    }
+    ts.isAssertClause = isAssertClause;
+    function isAssertEntry(node) {
+        return node.kind === 294 /* SyntaxKind.AssertEntry */;
+    }
+    ts.isAssertEntry = isAssertEntry;
+    function isNamespaceImport(node) {
+        return node.kind === 268 /* SyntaxKind.NamespaceImport */;
+    }
+    ts.isNamespaceImport = isNamespaceImport;
+    function isNamespaceExport(node) {
+        return node.kind === 274 /* SyntaxKind.NamespaceExport */;
+    }
+    ts.isNamespaceExport = isNamespaceExport;
+    function isNamedImports(node) {
+        return node.kind === 269 /* SyntaxKind.NamedImports */;
+    }
+    ts.isNamedImports = isNamedImports;
+    function isImportSpecifier(node) {
+        return node.kind === 270 /* SyntaxKind.ImportSpecifier */;
+    }
+    ts.isImportSpecifier = isImportSpecifier;
+    function isExportAssignment(node) {
+        return node.kind === 271 /* SyntaxKind.ExportAssignment */;
+    }
+    ts.isExportAssignment = isExportAssignment;
+    function isExportDeclaration(node) {
+        return node.kind === 272 /* SyntaxKind.ExportDeclaration */;
+    }
+    ts.isExportDeclaration = isExportDeclaration;
+    function isNamedExports(node) {
+        return node.kind === 273 /* SyntaxKind.NamedExports */;
+    }
+    ts.isNamedExports = isNamedExports;
+    function isExportSpecifier(node) {
+        return node.kind === 275 /* SyntaxKind.ExportSpecifier */;
+    }
+    ts.isExportSpecifier = isExportSpecifier;
+    function isMissingDeclaration(node) {
+        return node.kind === 276 /* SyntaxKind.MissingDeclaration */;
+    }
+    ts.isMissingDeclaration = isMissingDeclaration;
+    function isNotEmittedStatement(node) {
+        return node.kind === 349 /* SyntaxKind.NotEmittedStatement */;
+    }
+    ts.isNotEmittedStatement = isNotEmittedStatement;
+    /* @internal */
+    function isSyntheticReference(node) {
+        return node.kind === 354 /* SyntaxKind.SyntheticReferenceExpression */;
+    }
+    ts.isSyntheticReference = isSyntheticReference;
+    /* @internal */
+    function isMergeDeclarationMarker(node) {
+        return node.kind === 352 /* SyntaxKind.MergeDeclarationMarker */;
+    }
+    ts.isMergeDeclarationMarker = isMergeDeclarationMarker;
+    /* @internal */
+    function isEndOfDeclarationMarker(node) {
+        return node.kind === 353 /* SyntaxKind.EndOfDeclarationMarker */;
+    }
+    ts.isEndOfDeclarationMarker = isEndOfDeclarationMarker;
+    // Module References
+    function isExternalModuleReference(node) {
+        return node.kind === 277 /* SyntaxKind.ExternalModuleReference */;
+    }
+    ts.isExternalModuleReference = isExternalModuleReference;
+    // JSX
+    function isJsxElement(node) {
+        return node.kind === 278 /* SyntaxKind.JsxElement */;
+    }
+    ts.isJsxElement = isJsxElement;
+    function isJsxSelfClosingElement(node) {
+        return node.kind === 279 /* SyntaxKind.JsxSelfClosingElement */;
+    }
+    ts.isJsxSelfClosingElement = isJsxSelfClosingElement;
+    function isJsxOpeningElement(node) {
+        return node.kind === 280 /* SyntaxKind.JsxOpeningElement */;
+    }
+    ts.isJsxOpeningElement = isJsxOpeningElement;
+    function isJsxClosingElement(node) {
+        return node.kind === 281 /* SyntaxKind.JsxClosingElement */;
+    }
+    ts.isJsxClosingElement = isJsxClosingElement;
+    function isJsxFragment(node) {
+        return node.kind === 282 /* SyntaxKind.JsxFragment */;
+    }
+    ts.isJsxFragment = isJsxFragment;
+    function isJsxOpeningFragment(node) {
+        return node.kind === 283 /* SyntaxKind.JsxOpeningFragment */;
+    }
+    ts.isJsxOpeningFragment = isJsxOpeningFragment;
+    function isJsxClosingFragment(node) {
+        return node.kind === 284 /* SyntaxKind.JsxClosingFragment */;
+    }
+    ts.isJsxClosingFragment = isJsxClosingFragment;
+    function isJsxAttribute(node) {
+        return node.kind === 285 /* SyntaxKind.JsxAttribute */;
+    }
+    ts.isJsxAttribute = isJsxAttribute;
+    function isJsxAttributes(node) {
+        return node.kind === 286 /* SyntaxKind.JsxAttributes */;
+    }
+    ts.isJsxAttributes = isJsxAttributes;
+    function isJsxSpreadAttribute(node) {
+        return node.kind === 287 /* SyntaxKind.JsxSpreadAttribute */;
+    }
+    ts.isJsxSpreadAttribute = isJsxSpreadAttribute;
+    function isJsxExpression(node) {
+        return node.kind === 288 /* SyntaxKind.JsxExpression */;
+    }
+    ts.isJsxExpression = isJsxExpression;
+    // Clauses
+    function isCaseClause(node) {
+        return node.kind === 289 /* SyntaxKind.CaseClause */;
+    }
+    ts.isCaseClause = isCaseClause;
+    function isDefaultClause(node) {
+        return node.kind === 290 /* SyntaxKind.DefaultClause */;
+    }
+    ts.isDefaultClause = isDefaultClause;
+    function isHeritageClause(node) {
+        return node.kind === 291 /* SyntaxKind.HeritageClause */;
+    }
+    ts.isHeritageClause = isHeritageClause;
+    function isCatchClause(node) {
+        return node.kind === 292 /* SyntaxKind.CatchClause */;
+    }
+    ts.isCatchClause = isCatchClause;
+    // Property assignments
+    function isPropertyAssignment(node) {
+        return node.kind === 296 /* SyntaxKind.PropertyAssignment */;
+    }
+    ts.isPropertyAssignment = isPropertyAssignment;
+    function isShorthandPropertyAssignment(node) {
+        return node.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */;
+    }
+    ts.isShorthandPropertyAssignment = isShorthandPropertyAssignment;
+    function isSpreadAssignment(node) {
+        return node.kind === 298 /* SyntaxKind.SpreadAssignment */;
+    }
+    ts.isSpreadAssignment = isSpreadAssignment;
+    // Enum
+    function isEnumMember(node) {
+        return node.kind === 299 /* SyntaxKind.EnumMember */;
+    }
+    ts.isEnumMember = isEnumMember;
+    // Unparsed
+    // TODO(rbuckton): isUnparsedPrologue
+    function isUnparsedPrepend(node) {
+        return node.kind === 301 /* SyntaxKind.UnparsedPrepend */;
+    }
+    ts.isUnparsedPrepend = isUnparsedPrepend;
+    // TODO(rbuckton): isUnparsedText
+    // TODO(rbuckton): isUnparsedInternalText
+    // TODO(rbuckton): isUnparsedSyntheticReference
+    // Top-level nodes
+    function isSourceFile(node) {
+        return node.kind === 305 /* SyntaxKind.SourceFile */;
+    }
+    ts.isSourceFile = isSourceFile;
+    function isBundle(node) {
+        return node.kind === 306 /* SyntaxKind.Bundle */;
+    }
+    ts.isBundle = isBundle;
+    function isUnparsedSource(node) {
+        return node.kind === 307 /* SyntaxKind.UnparsedSource */;
+    }
+    ts.isUnparsedSource = isUnparsedSource;
+    // TODO(rbuckton): isInputFiles
+    // JSDoc Elements
+    function isJSDocTypeExpression(node) {
+        return node.kind === 309 /* SyntaxKind.JSDocTypeExpression */;
+    }
+    ts.isJSDocTypeExpression = isJSDocTypeExpression;
+    function isJSDocNameReference(node) {
+        return node.kind === 310 /* SyntaxKind.JSDocNameReference */;
+    }
+    ts.isJSDocNameReference = isJSDocNameReference;
+    function isJSDocMemberName(node) {
+        return node.kind === 311 /* SyntaxKind.JSDocMemberName */;
+    }
+    ts.isJSDocMemberName = isJSDocMemberName;
+    function isJSDocLink(node) {
+        return node.kind === 324 /* SyntaxKind.JSDocLink */;
+    }
+    ts.isJSDocLink = isJSDocLink;
+    function isJSDocLinkCode(node) {
+        return node.kind === 325 /* SyntaxKind.JSDocLinkCode */;
+    }
+    ts.isJSDocLinkCode = isJSDocLinkCode;
+    function isJSDocLinkPlain(node) {
+        return node.kind === 326 /* SyntaxKind.JSDocLinkPlain */;
+    }
+    ts.isJSDocLinkPlain = isJSDocLinkPlain;
+    function isJSDocAllType(node) {
+        return node.kind === 312 /* SyntaxKind.JSDocAllType */;
+    }
+    ts.isJSDocAllType = isJSDocAllType;
+    function isJSDocUnknownType(node) {
+        return node.kind === 313 /* SyntaxKind.JSDocUnknownType */;
+    }
+    ts.isJSDocUnknownType = isJSDocUnknownType;
+    function isJSDocNullableType(node) {
+        return node.kind === 314 /* SyntaxKind.JSDocNullableType */;
+    }
+    ts.isJSDocNullableType = isJSDocNullableType;
+    function isJSDocNonNullableType(node) {
+        return node.kind === 315 /* SyntaxKind.JSDocNonNullableType */;
+    }
+    ts.isJSDocNonNullableType = isJSDocNonNullableType;
+    function isJSDocOptionalType(node) {
+        return node.kind === 316 /* SyntaxKind.JSDocOptionalType */;
+    }
+    ts.isJSDocOptionalType = isJSDocOptionalType;
+    function isJSDocFunctionType(node) {
+        return node.kind === 317 /* SyntaxKind.JSDocFunctionType */;
+    }
+    ts.isJSDocFunctionType = isJSDocFunctionType;
+    function isJSDocVariadicType(node) {
+        return node.kind === 318 /* SyntaxKind.JSDocVariadicType */;
+    }
+    ts.isJSDocVariadicType = isJSDocVariadicType;
+    function isJSDocNamepathType(node) {
+        return node.kind === 319 /* SyntaxKind.JSDocNamepathType */;
+    }
+    ts.isJSDocNamepathType = isJSDocNamepathType;
+    function isJSDoc(node) {
+        return node.kind === 320 /* SyntaxKind.JSDoc */;
+    }
+    ts.isJSDoc = isJSDoc;
+    function isJSDocTypeLiteral(node) {
+        return node.kind === 322 /* SyntaxKind.JSDocTypeLiteral */;
+    }
+    ts.isJSDocTypeLiteral = isJSDocTypeLiteral;
+    function isJSDocSignature(node) {
+        return node.kind === 323 /* SyntaxKind.JSDocSignature */;
+    }
+    ts.isJSDocSignature = isJSDocSignature;
+    // JSDoc Tags
+    function isJSDocAugmentsTag(node) {
+        return node.kind === 328 /* SyntaxKind.JSDocAugmentsTag */;
+    }
+    ts.isJSDocAugmentsTag = isJSDocAugmentsTag;
+    function isJSDocAuthorTag(node) {
+        return node.kind === 330 /* SyntaxKind.JSDocAuthorTag */;
+    }
+    ts.isJSDocAuthorTag = isJSDocAuthorTag;
+    function isJSDocClassTag(node) {
+        return node.kind === 332 /* SyntaxKind.JSDocClassTag */;
+    }
+    ts.isJSDocClassTag = isJSDocClassTag;
+    function isJSDocCallbackTag(node) {
+        return node.kind === 338 /* SyntaxKind.JSDocCallbackTag */;
+    }
+    ts.isJSDocCallbackTag = isJSDocCallbackTag;
+    function isJSDocPublicTag(node) {
+        return node.kind === 333 /* SyntaxKind.JSDocPublicTag */;
+    }
+    ts.isJSDocPublicTag = isJSDocPublicTag;
+    function isJSDocPrivateTag(node) {
+        return node.kind === 334 /* SyntaxKind.JSDocPrivateTag */;
+    }
+    ts.isJSDocPrivateTag = isJSDocPrivateTag;
+    function isJSDocProtectedTag(node) {
+        return node.kind === 335 /* SyntaxKind.JSDocProtectedTag */;
+    }
+    ts.isJSDocProtectedTag = isJSDocProtectedTag;
+    function isJSDocReadonlyTag(node) {
+        return node.kind === 336 /* SyntaxKind.JSDocReadonlyTag */;
+    }
+    ts.isJSDocReadonlyTag = isJSDocReadonlyTag;
+    function isJSDocOverrideTag(node) {
+        return node.kind === 337 /* SyntaxKind.JSDocOverrideTag */;
+    }
+    ts.isJSDocOverrideTag = isJSDocOverrideTag;
+    function isJSDocDeprecatedTag(node) {
+        return node.kind === 331 /* SyntaxKind.JSDocDeprecatedTag */;
+    }
+    ts.isJSDocDeprecatedTag = isJSDocDeprecatedTag;
+    function isJSDocSeeTag(node) {
+        return node.kind === 346 /* SyntaxKind.JSDocSeeTag */;
+    }
+    ts.isJSDocSeeTag = isJSDocSeeTag;
+    function isJSDocEnumTag(node) {
+        return node.kind === 339 /* SyntaxKind.JSDocEnumTag */;
+    }
+    ts.isJSDocEnumTag = isJSDocEnumTag;
+    function isJSDocParameterTag(node) {
+        return node.kind === 340 /* SyntaxKind.JSDocParameterTag */;
+    }
+    ts.isJSDocParameterTag = isJSDocParameterTag;
+    function isJSDocReturnTag(node) {
+        return node.kind === 341 /* SyntaxKind.JSDocReturnTag */;
+    }
+    ts.isJSDocReturnTag = isJSDocReturnTag;
+    function isJSDocThisTag(node) {
+        return node.kind === 342 /* SyntaxKind.JSDocThisTag */;
+    }
+    ts.isJSDocThisTag = isJSDocThisTag;
+    function isJSDocTypeTag(node) {
+        return node.kind === 343 /* SyntaxKind.JSDocTypeTag */;
+    }
+    ts.isJSDocTypeTag = isJSDocTypeTag;
+    function isJSDocTemplateTag(node) {
+        return node.kind === 344 /* SyntaxKind.JSDocTemplateTag */;
+    }
+    ts.isJSDocTemplateTag = isJSDocTemplateTag;
+    function isJSDocTypedefTag(node) {
+        return node.kind === 345 /* SyntaxKind.JSDocTypedefTag */;
+    }
+    ts.isJSDocTypedefTag = isJSDocTypedefTag;
+    function isJSDocUnknownTag(node) {
+        return node.kind === 327 /* SyntaxKind.JSDocTag */;
+    }
+    ts.isJSDocUnknownTag = isJSDocUnknownTag;
+    function isJSDocPropertyTag(node) {
+        return node.kind === 347 /* SyntaxKind.JSDocPropertyTag */;
+    }
+    ts.isJSDocPropertyTag = isJSDocPropertyTag;
+    function isJSDocImplementsTag(node) {
+        return node.kind === 329 /* SyntaxKind.JSDocImplementsTag */;
+    }
+    ts.isJSDocImplementsTag = isJSDocImplementsTag;
+    // Synthesized list
+    /* @internal */
+    function isSyntaxList(n) {
+        return n.kind === 348 /* SyntaxKind.SyntaxList */;
+    }
+    ts.isSyntaxList = isSyntaxList;
+})(ts || (ts = {}));
+/* @internal */
+var ts;
+(function (ts) {
+    // Compound nodes
+    function createEmptyExports(factory) {
+        return factory.createExportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*isTypeOnly*/ false, factory.createNamedExports([]), /*moduleSpecifier*/ undefined);
+    }
+    ts.createEmptyExports = createEmptyExports;
+    function createMemberAccessForPropertyName(factory, target, memberName, location) {
+        if (ts.isComputedPropertyName(memberName)) {
+            return ts.setTextRange(factory.createElementAccessExpression(target, memberName.expression), location);
+        }
+        else {
+            var expression = ts.setTextRange(ts.isMemberName(memberName)
+                ? factory.createPropertyAccessExpression(target, memberName)
+                : factory.createElementAccessExpression(target, memberName), memberName);
+            ts.getOrCreateEmitNode(expression).flags |= 64 /* EmitFlags.NoNestedSourceMaps */;
+            return expression;
+        }
+    }
+    ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName;
+    function createReactNamespace(reactNamespace, parent) {
+        // To ensure the emit resolver can properly resolve the namespace, we need to
+        // treat this identifier as if it were a source tree node by clearing the `Synthesized`
+        // flag and setting a parent node.
+        var react = ts.parseNodeFactory.createIdentifier(reactNamespace || "React");
+        // Set the parent that is in parse tree
+        // this makes sure that parent chain is intact for checker to traverse complete scope tree
+        ts.setParent(react, ts.getParseTreeNode(parent));
+        return react;
+    }
+    function createJsxFactoryExpressionFromEntityName(factory, jsxFactory, parent) {
+        if (ts.isQualifiedName(jsxFactory)) {
+            var left = createJsxFactoryExpressionFromEntityName(factory, jsxFactory.left, parent);
+            var right = factory.createIdentifier(ts.idText(jsxFactory.right));
+            right.escapedText = jsxFactory.right.escapedText;
+            return factory.createPropertyAccessExpression(left, right);
+        }
+        else {
+            return createReactNamespace(ts.idText(jsxFactory), parent);
+        }
+    }
+    function createJsxFactoryExpression(factory, jsxFactoryEntity, reactNamespace, parent) {
+        return jsxFactoryEntity ?
+            createJsxFactoryExpressionFromEntityName(factory, jsxFactoryEntity, parent) :
+            factory.createPropertyAccessExpression(createReactNamespace(reactNamespace, parent), "createElement");
+    }
+    ts.createJsxFactoryExpression = createJsxFactoryExpression;
+    function createJsxFragmentFactoryExpression(factory, jsxFragmentFactoryEntity, reactNamespace, parent) {
+        return jsxFragmentFactoryEntity ?
+            createJsxFactoryExpressionFromEntityName(factory, jsxFragmentFactoryEntity, parent) :
+            factory.createPropertyAccessExpression(createReactNamespace(reactNamespace, parent), "Fragment");
+    }
+    function createExpressionForJsxElement(factory, callee, tagName, props, children, location) {
+        var argumentsList = [tagName];
+        if (props) {
+            argumentsList.push(props);
+        }
+        if (children && children.length > 0) {
+            if (!props) {
+                argumentsList.push(factory.createNull());
+            }
+            if (children.length > 1) {
+                for (var _i = 0, children_3 = children; _i < children_3.length; _i++) {
+                    var child = children_3[_i];
+                    startOnNewLine(child);
+                    argumentsList.push(child);
+                }
+            }
+            else {
+                argumentsList.push(children[0]);
+            }
+        }
+        return ts.setTextRange(factory.createCallExpression(callee, 
+        /*typeArguments*/ undefined, argumentsList), location);
+    }
+    ts.createExpressionForJsxElement = createExpressionForJsxElement;
+    function createExpressionForJsxFragment(factory, jsxFactoryEntity, jsxFragmentFactoryEntity, reactNamespace, children, parentElement, location) {
+        var tagName = createJsxFragmentFactoryExpression(factory, jsxFragmentFactoryEntity, reactNamespace, parentElement);
+        var argumentsList = [tagName, factory.createNull()];
+        if (children && children.length > 0) {
+            if (children.length > 1) {
+                for (var _i = 0, children_4 = children; _i < children_4.length; _i++) {
+                    var child = children_4[_i];
+                    startOnNewLine(child);
+                    argumentsList.push(child);
+                }
+            }
+            else {
+                argumentsList.push(children[0]);
+            }
+        }
+        return ts.setTextRange(factory.createCallExpression(createJsxFactoryExpression(factory, jsxFactoryEntity, reactNamespace, parentElement), 
+        /*typeArguments*/ undefined, argumentsList), location);
+    }
+    ts.createExpressionForJsxFragment = createExpressionForJsxFragment;
+    // Utilities
+    function createForOfBindingStatement(factory, node, boundValue) {
+        if (ts.isVariableDeclarationList(node)) {
+            var firstDeclaration = ts.first(node.declarations);
+            var updatedDeclaration = factory.updateVariableDeclaration(firstDeclaration, firstDeclaration.name, 
+            /*exclamationToken*/ undefined, 
+            /*type*/ undefined, boundValue);
+            return ts.setTextRange(factory.createVariableStatement(
+            /*modifiers*/ undefined, factory.updateVariableDeclarationList(node, [updatedDeclaration])), 
+            /*location*/ node);
+        }
+        else {
+            var updatedExpression = ts.setTextRange(factory.createAssignment(node, boundValue), /*location*/ node);
+            return ts.setTextRange(factory.createExpressionStatement(updatedExpression), /*location*/ node);
+        }
+    }
+    ts.createForOfBindingStatement = createForOfBindingStatement;
+    function insertLeadingStatement(factory, dest, source) {
+        if (ts.isBlock(dest)) {
+            return factory.updateBlock(dest, ts.setTextRange(factory.createNodeArray(__spreadArray([source], dest.statements, true)), dest.statements));
+        }
+        else {
+            return factory.createBlock(factory.createNodeArray([dest, source]), /*multiLine*/ true);
+        }
+    }
+    ts.insertLeadingStatement = insertLeadingStatement;
+    function createExpressionFromEntityName(factory, node) {
+        if (ts.isQualifiedName(node)) {
+            var left = createExpressionFromEntityName(factory, node.left);
+            // TODO(rbuckton): Does this need to be parented?
+            var right = ts.setParent(ts.setTextRange(factory.cloneNode(node.right), node.right), node.right.parent);
+            return ts.setTextRange(factory.createPropertyAccessExpression(left, right), node);
+        }
+        else {
+            // TODO(rbuckton): Does this need to be parented?
+            return ts.setParent(ts.setTextRange(factory.cloneNode(node), node), node.parent);
+        }
+    }
+    ts.createExpressionFromEntityName = createExpressionFromEntityName;
+    function createExpressionForPropertyName(factory, memberName) {
+        if (ts.isIdentifier(memberName)) {
+            return factory.createStringLiteralFromNode(memberName);
+        }
+        else if (ts.isComputedPropertyName(memberName)) {
+            // TODO(rbuckton): Does this need to be parented?
+            return ts.setParent(ts.setTextRange(factory.cloneNode(memberName.expression), memberName.expression), memberName.expression.parent);
+        }
+        else {
+            // TODO(rbuckton): Does this need to be parented?
+            return ts.setParent(ts.setTextRange(factory.cloneNode(memberName), memberName), memberName.parent);
+        }
+    }
+    ts.createExpressionForPropertyName = createExpressionForPropertyName;
+    function createExpressionForAccessorDeclaration(factory, properties, property, receiver, multiLine) {
+        var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor;
+        if (property === firstAccessor) {
+            return ts.setTextRange(factory.createObjectDefinePropertyCall(receiver, createExpressionForPropertyName(factory, property.name), factory.createPropertyDescriptor({
+                enumerable: factory.createFalse(),
+                configurable: true,
+                get: getAccessor && ts.setTextRange(ts.setOriginalNode(factory.createFunctionExpression(getAccessor.modifiers, 
+                /*asteriskToken*/ undefined, 
+                /*name*/ undefined, 
+                /*typeParameters*/ undefined, getAccessor.parameters, 
+                /*type*/ undefined, getAccessor.body // TODO: GH#18217
+                ), getAccessor), getAccessor),
+                set: setAccessor && ts.setTextRange(ts.setOriginalNode(factory.createFunctionExpression(setAccessor.modifiers, 
+                /*asteriskToken*/ undefined, 
+                /*name*/ undefined, 
+                /*typeParameters*/ undefined, setAccessor.parameters, 
+                /*type*/ undefined, setAccessor.body // TODO: GH#18217
+                ), setAccessor), setAccessor)
+            }, !multiLine)), firstAccessor);
+        }
+        return undefined;
+    }
+    function createExpressionForPropertyAssignment(factory, property, receiver) {
+        return ts.setOriginalNode(ts.setTextRange(factory.createAssignment(createMemberAccessForPropertyName(factory, receiver, property.name, /*location*/ property.name), property.initializer), property), property);
+    }
+    function createExpressionForShorthandPropertyAssignment(factory, property, receiver) {
+        return ts.setOriginalNode(ts.setTextRange(factory.createAssignment(createMemberAccessForPropertyName(factory, receiver, property.name, /*location*/ property.name), factory.cloneNode(property.name)), 
+        /*location*/ property), 
+        /*original*/ property);
+    }
+    function createExpressionForMethodDeclaration(factory, method, receiver) {
+        return ts.setOriginalNode(ts.setTextRange(factory.createAssignment(createMemberAccessForPropertyName(factory, receiver, method.name, /*location*/ method.name), ts.setOriginalNode(ts.setTextRange(factory.createFunctionExpression(method.modifiers, method.asteriskToken, 
+        /*name*/ undefined, 
+        /*typeParameters*/ undefined, method.parameters, 
+        /*type*/ undefined, method.body // TODO: GH#18217
+        ), 
+        /*location*/ method), 
+        /*original*/ method)), 
+        /*location*/ method), 
+        /*original*/ method);
+    }
+    function createExpressionForObjectLiteralElementLike(factory, node, property, receiver) {
+        if (property.name && ts.isPrivateIdentifier(property.name)) {
+            ts.Debug.failBadSyntaxKind(property.name, "Private identifiers are not allowed in object literals.");
+        }
+        switch (property.kind) {
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+                return createExpressionForAccessorDeclaration(factory, node.properties, property, receiver, !!node.multiLine);
+            case 296 /* SyntaxKind.PropertyAssignment */:
+                return createExpressionForPropertyAssignment(factory, property, receiver);
+            case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                return createExpressionForShorthandPropertyAssignment(factory, property, receiver);
+            case 169 /* SyntaxKind.MethodDeclaration */:
+                return createExpressionForMethodDeclaration(factory, property, receiver);
+        }
+    }
+    ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike;
+    /**
+     * Expand the read and increment/decrement operations a pre- or post-increment or pre- or post-decrement expression.
+     *
+     * ```ts
+     * // input
+     * ++
+     * // output (if result is not discarded)
+     * var ;
+     * ( = ,  = ++, )
+     * // output (if result is discarded)
+     * var ;
+     * ( = , ++, )
+     *
+     * // input
+     * ++
+     * // output (if result is not discarded)
+     * var ;
+     * ( = ,  = ++)
+     * // output (if result is discarded)
+     * var ;
+     * ( = , ++)
+     * ```
+     *
+     * It is up to the caller to supply a temporary variable for `` if one is needed.
+     * The temporary variable `` is injected so that `++` and `--` work uniformly with `number` and `bigint`.
+     * The result of the expression is always the final result of incrementing or decrementing the expression, so that it can be used for storage.
+     *
+     * @param factory {@link NodeFactory} used to create the expanded representation.
+     * @param node The original prefix or postfix unary node.
+     * @param expression The expression to use as the value to increment or decrement
+     * @param resultVariable A temporary variable in which to store the result. Pass `undefined` if the result is discarded, or if the value of `` is the expected result.
+     */
+    function expandPreOrPostfixIncrementOrDecrementExpression(factory, node, expression, recordTempVariable, resultVariable) {
+        var operator = node.operator;
+        ts.Debug.assert(operator === 45 /* SyntaxKind.PlusPlusToken */ || operator === 46 /* SyntaxKind.MinusMinusToken */, "Expected 'node' to be a pre- or post-increment or pre- or post-decrement expression");
+        var temp = factory.createTempVariable(recordTempVariable);
+        expression = factory.createAssignment(temp, expression);
+        ts.setTextRange(expression, node.operand);
+        var operation = ts.isPrefixUnaryExpression(node) ?
+            factory.createPrefixUnaryExpression(operator, temp) :
+            factory.createPostfixUnaryExpression(temp, operator);
+        ts.setTextRange(operation, node);
+        if (resultVariable) {
+            operation = factory.createAssignment(resultVariable, operation);
+            ts.setTextRange(operation, node);
+        }
+        expression = factory.createComma(expression, operation);
+        ts.setTextRange(expression, node);
+        if (ts.isPostfixUnaryExpression(node)) {
+            expression = factory.createComma(expression, temp);
+            ts.setTextRange(expression, node);
+        }
+        return expression;
+    }
+    ts.expandPreOrPostfixIncrementOrDecrementExpression = expandPreOrPostfixIncrementOrDecrementExpression;
+    /**
+     * Gets whether an identifier should only be referred to by its internal name.
+     */
+    function isInternalName(node) {
+        return (ts.getEmitFlags(node) & 32768 /* EmitFlags.InternalName */) !== 0;
+    }
+    ts.isInternalName = isInternalName;
+    /**
+     * Gets whether an identifier should only be referred to by its local name.
+     */
+    function isLocalName(node) {
+        return (ts.getEmitFlags(node) & 16384 /* EmitFlags.LocalName */) !== 0;
+    }
+    ts.isLocalName = isLocalName;
+    /**
+     * Gets whether an identifier should only be referred to by its export representation if the
+     * name points to an exported symbol.
+     */
+    function isExportName(node) {
+        return (ts.getEmitFlags(node) & 8192 /* EmitFlags.ExportName */) !== 0;
+    }
+    ts.isExportName = isExportName;
+    function isUseStrictPrologue(node) {
+        return ts.isStringLiteral(node.expression) && node.expression.text === "use strict";
+    }
+    function findUseStrictPrologue(statements) {
+        for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
+            var statement = statements_1[_i];
+            if (ts.isPrologueDirective(statement)) {
+                if (isUseStrictPrologue(statement)) {
+                    return statement;
+                }
+            }
+            else {
+                break;
+            }
+        }
+        return undefined;
+    }
+    ts.findUseStrictPrologue = findUseStrictPrologue;
+    function startsWithUseStrict(statements) {
+        var firstStatement = ts.firstOrUndefined(statements);
+        return firstStatement !== undefined
+            && ts.isPrologueDirective(firstStatement)
+            && isUseStrictPrologue(firstStatement);
+    }
+    ts.startsWithUseStrict = startsWithUseStrict;
+    function isCommaSequence(node) {
+        return node.kind === 221 /* SyntaxKind.BinaryExpression */ && node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */ ||
+            node.kind === 351 /* SyntaxKind.CommaListExpression */;
+    }
+    ts.isCommaSequence = isCommaSequence;
+    function isJSDocTypeAssertion(node) {
+        return ts.isParenthesizedExpression(node)
+            && ts.isInJSFile(node)
+            && !!ts.getJSDocTypeTag(node);
+    }
+    ts.isJSDocTypeAssertion = isJSDocTypeAssertion;
+    function getJSDocTypeAssertionType(node) {
+        var type = ts.getJSDocType(node);
+        ts.Debug.assertIsDefined(type);
+        return type;
+    }
+    ts.getJSDocTypeAssertionType = getJSDocTypeAssertionType;
+    function isOuterExpression(node, kinds) {
+        if (kinds === void 0) { kinds = 15 /* OuterExpressionKinds.All */; }
+        switch (node.kind) {
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+                if (kinds & 16 /* OuterExpressionKinds.ExcludeJSDocTypeAssertion */ && isJSDocTypeAssertion(node)) {
+                    return false;
+                }
+                return (kinds & 1 /* OuterExpressionKinds.Parentheses */) !== 0;
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+            case 229 /* SyntaxKind.AsExpression */:
+                return (kinds & 2 /* OuterExpressionKinds.TypeAssertions */) !== 0;
+            case 230 /* SyntaxKind.NonNullExpression */:
+                return (kinds & 4 /* OuterExpressionKinds.NonNullAssertions */) !== 0;
+            case 350 /* SyntaxKind.PartiallyEmittedExpression */:
+                return (kinds & 8 /* OuterExpressionKinds.PartiallyEmittedExpressions */) !== 0;
+        }
+        return false;
+    }
+    ts.isOuterExpression = isOuterExpression;
+    function skipOuterExpressions(node, kinds) {
+        if (kinds === void 0) { kinds = 15 /* OuterExpressionKinds.All */; }
+        while (isOuterExpression(node, kinds)) {
+            node = node.expression;
+        }
+        return node;
+    }
+    ts.skipOuterExpressions = skipOuterExpressions;
+    function skipAssertions(node) {
+        return skipOuterExpressions(node, 6 /* OuterExpressionKinds.Assertions */);
+    }
+    ts.skipAssertions = skipAssertions;
+    function startOnNewLine(node) {
+        return ts.setStartsOnNewLine(node, /*newLine*/ true);
+    }
+    ts.startOnNewLine = startOnNewLine;
+    function getExternalHelpersModuleName(node) {
+        var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
+        var emitNode = parseNode && parseNode.emitNode;
+        return emitNode && emitNode.externalHelpersModuleName;
+    }
+    ts.getExternalHelpersModuleName = getExternalHelpersModuleName;
+    function hasRecordedExternalHelpers(sourceFile) {
+        var parseNode = ts.getOriginalNode(sourceFile, ts.isSourceFile);
+        var emitNode = parseNode && parseNode.emitNode;
+        return !!emitNode && (!!emitNode.externalHelpersModuleName || !!emitNode.externalHelpers);
+    }
+    ts.hasRecordedExternalHelpers = hasRecordedExternalHelpers;
+    function createExternalHelpersImportDeclarationIfNeeded(nodeFactory, helperFactory, sourceFile, compilerOptions, hasExportStarsToExportValues, hasImportStar, hasImportDefault) {
+        if (compilerOptions.importHelpers && ts.isEffectiveExternalModule(sourceFile, compilerOptions)) {
+            var namedBindings = void 0;
+            var moduleKind = ts.getEmitModuleKind(compilerOptions);
+            if ((moduleKind >= ts.ModuleKind.ES2015 && moduleKind <= ts.ModuleKind.ESNext) || sourceFile.impliedNodeFormat === ts.ModuleKind.ESNext) {
+                // use named imports
+                var helpers = ts.getEmitHelpers(sourceFile);
+                if (helpers) {
+                    var helperNames = [];
+                    for (var _i = 0, helpers_3 = helpers; _i < helpers_3.length; _i++) {
+                        var helper = helpers_3[_i];
+                        if (!helper.scoped) {
+                            var importName = helper.importName;
+                            if (importName) {
+                                ts.pushIfUnique(helperNames, importName);
+                            }
+                        }
+                    }
+                    if (ts.some(helperNames)) {
+                        helperNames.sort(ts.compareStringsCaseSensitive);
+                        // Alias the imports if the names are used somewhere in the file.
+                        // NOTE: We don't need to care about global import collisions as this is a module.
+                        namedBindings = nodeFactory.createNamedImports(ts.map(helperNames, function (name) { return ts.isFileLevelUniqueName(sourceFile, name)
+                            ? nodeFactory.createImportSpecifier(/*isTypeOnly*/ false, /*propertyName*/ undefined, nodeFactory.createIdentifier(name))
+                            : nodeFactory.createImportSpecifier(/*isTypeOnly*/ false, nodeFactory.createIdentifier(name), helperFactory.getUnscopedHelperName(name)); }));
+                        var parseNode = ts.getOriginalNode(sourceFile, ts.isSourceFile);
+                        var emitNode = ts.getOrCreateEmitNode(parseNode);
+                        emitNode.externalHelpers = true;
+                    }
+                }
+            }
+            else {
+                // use a namespace import
+                var externalHelpersModuleName = getOrCreateExternalHelpersModuleNameIfNeeded(nodeFactory, sourceFile, compilerOptions, hasExportStarsToExportValues, hasImportStar || hasImportDefault);
+                if (externalHelpersModuleName) {
+                    namedBindings = nodeFactory.createNamespaceImport(externalHelpersModuleName);
+                }
+            }
+            if (namedBindings) {
+                var externalHelpersImportDeclaration = nodeFactory.createImportDeclaration(
+                /*decorators*/ undefined, 
+                /*modifiers*/ undefined, nodeFactory.createImportClause(/*isTypeOnly*/ false, /*name*/ undefined, namedBindings), nodeFactory.createStringLiteral(ts.externalHelpersModuleNameText), 
+                /*assertClause*/ undefined);
+                ts.addEmitFlags(externalHelpersImportDeclaration, 67108864 /* EmitFlags.NeverApplyImportHelper */);
+                return externalHelpersImportDeclaration;
+            }
+        }
+    }
+    ts.createExternalHelpersImportDeclarationIfNeeded = createExternalHelpersImportDeclarationIfNeeded;
+    function getOrCreateExternalHelpersModuleNameIfNeeded(factory, node, compilerOptions, hasExportStarsToExportValues, hasImportStarOrImportDefault) {
+        if (compilerOptions.importHelpers && ts.isEffectiveExternalModule(node, compilerOptions)) {
+            var externalHelpersModuleName = getExternalHelpersModuleName(node);
+            if (externalHelpersModuleName) {
+                return externalHelpersModuleName;
+            }
+            var moduleKind = ts.getEmitModuleKind(compilerOptions);
+            var create = (hasExportStarsToExportValues || (ts.getESModuleInterop(compilerOptions) && hasImportStarOrImportDefault))
+                && moduleKind !== ts.ModuleKind.System
+                && (moduleKind < ts.ModuleKind.ES2015 || node.impliedNodeFormat === ts.ModuleKind.CommonJS);
+            if (!create) {
+                var helpers = ts.getEmitHelpers(node);
+                if (helpers) {
+                    for (var _i = 0, helpers_4 = helpers; _i < helpers_4.length; _i++) {
+                        var helper = helpers_4[_i];
+                        if (!helper.scoped) {
+                            create = true;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (create) {
+                var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
+                var emitNode = ts.getOrCreateEmitNode(parseNode);
+                return emitNode.externalHelpersModuleName || (emitNode.externalHelpersModuleName = factory.createUniqueName(ts.externalHelpersModuleNameText));
+            }
+        }
+    }
+    ts.getOrCreateExternalHelpersModuleNameIfNeeded = getOrCreateExternalHelpersModuleNameIfNeeded;
+    /**
+     * Get the name of that target module from an import or export declaration
+     */
+    function getLocalNameForExternalImport(factory, node, sourceFile) {
+        var namespaceDeclaration = ts.getNamespaceDeclarationNode(node);
+        if (namespaceDeclaration && !ts.isDefaultImport(node) && !ts.isExportNamespaceAsDefaultDeclaration(node)) {
+            var name = namespaceDeclaration.name;
+            return ts.isGeneratedIdentifier(name) ? name : factory.createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, name) || ts.idText(name));
+        }
+        if (node.kind === 266 /* SyntaxKind.ImportDeclaration */ && node.importClause) {
+            return factory.getGeneratedNameForNode(node);
+        }
+        if (node.kind === 272 /* SyntaxKind.ExportDeclaration */ && node.moduleSpecifier) {
+            return factory.getGeneratedNameForNode(node);
+        }
+        return undefined;
+    }
+    ts.getLocalNameForExternalImport = getLocalNameForExternalImport;
+    /**
+     * Get the name of a target module from an import/export declaration as should be written in the emitted output.
+     * The emitted output name can be different from the input if:
+     *  1. The module has a /// 
+     *  2. --out or --outFile is used, making the name relative to the rootDir
+     *  3- The containing SourceFile has an entry in renamedDependencies for the import as requested by some module loaders (e.g. System).
+     * Otherwise, a new StringLiteral node representing the module name will be returned.
+     */
+    function getExternalModuleNameLiteral(factory, importNode, sourceFile, host, resolver, compilerOptions) {
+        var moduleName = ts.getExternalModuleName(importNode);
+        if (moduleName && ts.isStringLiteral(moduleName)) {
+            return tryGetModuleNameFromDeclaration(importNode, host, factory, resolver, compilerOptions)
+                || tryRenameExternalModule(factory, moduleName, sourceFile)
+                || factory.cloneNode(moduleName);
+        }
+        return undefined;
+    }
+    ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral;
+    /**
+     * Some bundlers (SystemJS builder) sometimes want to rename dependencies.
+     * Here we check if alternative name was provided for a given moduleName and return it if possible.
+     */
+    function tryRenameExternalModule(factory, moduleName, sourceFile) {
+        var rename = sourceFile.renamedDependencies && sourceFile.renamedDependencies.get(moduleName.text);
+        return rename ? factory.createStringLiteral(rename) : undefined;
+    }
+    /**
+     * Get the name of a module as should be written in the emitted output.
+     * The emitted output name can be different from the input if:
+     *  1. The module has a /// 
+     *  2. --out or --outFile is used, making the name relative to the rootDir
+     * Otherwise, a new StringLiteral node representing the module name will be returned.
+     */
+    function tryGetModuleNameFromFile(factory, file, host, options) {
+        if (!file) {
+            return undefined;
+        }
+        if (file.moduleName) {
+            return factory.createStringLiteral(file.moduleName);
+        }
+        if (!file.isDeclarationFile && ts.outFile(options)) {
+            return factory.createStringLiteral(ts.getExternalModuleNameFromPath(host, file.fileName));
+        }
+        return undefined;
+    }
+    ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile;
+    function tryGetModuleNameFromDeclaration(declaration, host, factory, resolver, compilerOptions) {
+        return tryGetModuleNameFromFile(factory, resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions);
+    }
+    /**
+     * Gets the initializer of an BindingOrAssignmentElement.
+     */
+    function getInitializerOfBindingOrAssignmentElement(bindingElement) {
+        if (ts.isDeclarationBindingElement(bindingElement)) {
+            // `1` in `let { a = 1 } = ...`
+            // `1` in `let { a: b = 1 } = ...`
+            // `1` in `let { a: {b} = 1 } = ...`
+            // `1` in `let { a: [b] = 1 } = ...`
+            // `1` in `let [a = 1] = ...`
+            // `1` in `let [{a} = 1] = ...`
+            // `1` in `let [[a] = 1] = ...`
+            return bindingElement.initializer;
+        }
+        if (ts.isPropertyAssignment(bindingElement)) {
+            // `1` in `({ a: b = 1 } = ...)`
+            // `1` in `({ a: {b} = 1 } = ...)`
+            // `1` in `({ a: [b] = 1 } = ...)`
+            var initializer = bindingElement.initializer;
+            return ts.isAssignmentExpression(initializer, /*excludeCompoundAssignment*/ true)
+                ? initializer.right
+                : undefined;
+        }
+        if (ts.isShorthandPropertyAssignment(bindingElement)) {
+            // `1` in `({ a = 1 } = ...)`
+            return bindingElement.objectAssignmentInitializer;
+        }
+        if (ts.isAssignmentExpression(bindingElement, /*excludeCompoundAssignment*/ true)) {
+            // `1` in `[a = 1] = ...`
+            // `1` in `[{a} = 1] = ...`
+            // `1` in `[[a] = 1] = ...`
+            return bindingElement.right;
+        }
+        if (ts.isSpreadElement(bindingElement)) {
+            // Recovery consistent with existing emit.
+            return getInitializerOfBindingOrAssignmentElement(bindingElement.expression);
+        }
+    }
+    ts.getInitializerOfBindingOrAssignmentElement = getInitializerOfBindingOrAssignmentElement;
+    /**
+     * Gets the name of an BindingOrAssignmentElement.
+     */
+    function getTargetOfBindingOrAssignmentElement(bindingElement) {
+        if (ts.isDeclarationBindingElement(bindingElement)) {
+            // `a` in `let { a } = ...`
+            // `a` in `let { a = 1 } = ...`
+            // `b` in `let { a: b } = ...`
+            // `b` in `let { a: b = 1 } = ...`
+            // `a` in `let { ...a } = ...`
+            // `{b}` in `let { a: {b} } = ...`
+            // `{b}` in `let { a: {b} = 1 } = ...`
+            // `[b]` in `let { a: [b] } = ...`
+            // `[b]` in `let { a: [b] = 1 } = ...`
+            // `a` in `let [a] = ...`
+            // `a` in `let [a = 1] = ...`
+            // `a` in `let [...a] = ...`
+            // `{a}` in `let [{a}] = ...`
+            // `{a}` in `let [{a} = 1] = ...`
+            // `[a]` in `let [[a]] = ...`
+            // `[a]` in `let [[a] = 1] = ...`
+            return bindingElement.name;
+        }
+        if (ts.isObjectLiteralElementLike(bindingElement)) {
+            switch (bindingElement.kind) {
+                case 296 /* SyntaxKind.PropertyAssignment */:
+                    // `b` in `({ a: b } = ...)`
+                    // `b` in `({ a: b = 1 } = ...)`
+                    // `{b}` in `({ a: {b} } = ...)`
+                    // `{b}` in `({ a: {b} = 1 } = ...)`
+                    // `[b]` in `({ a: [b] } = ...)`
+                    // `[b]` in `({ a: [b] = 1 } = ...)`
+                    // `b.c` in `({ a: b.c } = ...)`
+                    // `b.c` in `({ a: b.c = 1 } = ...)`
+                    // `b[0]` in `({ a: b[0] } = ...)`
+                    // `b[0]` in `({ a: b[0] = 1 } = ...)`
+                    return getTargetOfBindingOrAssignmentElement(bindingElement.initializer);
+                case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                    // `a` in `({ a } = ...)`
+                    // `a` in `({ a = 1 } = ...)`
+                    return bindingElement.name;
+                case 298 /* SyntaxKind.SpreadAssignment */:
+                    // `a` in `({ ...a } = ...)`
+                    return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
+            }
+            // no target
+            return undefined;
+        }
+        if (ts.isAssignmentExpression(bindingElement, /*excludeCompoundAssignment*/ true)) {
+            // `a` in `[a = 1] = ...`
+            // `{a}` in `[{a} = 1] = ...`
+            // `[a]` in `[[a] = 1] = ...`
+            // `a.b` in `[a.b = 1] = ...`
+            // `a[0]` in `[a[0] = 1] = ...`
+            return getTargetOfBindingOrAssignmentElement(bindingElement.left);
+        }
+        if (ts.isSpreadElement(bindingElement)) {
+            // `a` in `[...a] = ...`
+            return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
+        }
+        // `a` in `[a] = ...`
+        // `{a}` in `[{a}] = ...`
+        // `[a]` in `[[a]] = ...`
+        // `a.b` in `[a.b] = ...`
+        // `a[0]` in `[a[0]] = ...`
+        return bindingElement;
+    }
+    ts.getTargetOfBindingOrAssignmentElement = getTargetOfBindingOrAssignmentElement;
+    /**
+     * Determines whether an BindingOrAssignmentElement is a rest element.
+     */
+    function getRestIndicatorOfBindingOrAssignmentElement(bindingElement) {
+        switch (bindingElement.kind) {
+            case 164 /* SyntaxKind.Parameter */:
+            case 203 /* SyntaxKind.BindingElement */:
+                // `...` in `let [...a] = ...`
+                return bindingElement.dotDotDotToken;
+            case 225 /* SyntaxKind.SpreadElement */:
+            case 298 /* SyntaxKind.SpreadAssignment */:
+                // `...` in `[...a] = ...`
+                return bindingElement;
+        }
+        return undefined;
+    }
+    ts.getRestIndicatorOfBindingOrAssignmentElement = getRestIndicatorOfBindingOrAssignmentElement;
+    /**
+     * Gets the property name of a BindingOrAssignmentElement
+     */
+    function getPropertyNameOfBindingOrAssignmentElement(bindingElement) {
+        var propertyName = tryGetPropertyNameOfBindingOrAssignmentElement(bindingElement);
+        ts.Debug.assert(!!propertyName || ts.isSpreadAssignment(bindingElement), "Invalid property name for binding element.");
+        return propertyName;
+    }
+    ts.getPropertyNameOfBindingOrAssignmentElement = getPropertyNameOfBindingOrAssignmentElement;
+    function tryGetPropertyNameOfBindingOrAssignmentElement(bindingElement) {
+        switch (bindingElement.kind) {
+            case 203 /* SyntaxKind.BindingElement */:
+                // `a` in `let { a: b } = ...`
+                // `[a]` in `let { [a]: b } = ...`
+                // `"a"` in `let { "a": b } = ...`
+                // `1` in `let { 1: b } = ...`
+                if (bindingElement.propertyName) {
+                    var propertyName = bindingElement.propertyName;
+                    if (ts.isPrivateIdentifier(propertyName)) {
+                        return ts.Debug.failBadSyntaxKind(propertyName);
+                    }
+                    return ts.isComputedPropertyName(propertyName) && isStringOrNumericLiteral(propertyName.expression)
+                        ? propertyName.expression
+                        : propertyName;
+                }
+                break;
+            case 296 /* SyntaxKind.PropertyAssignment */:
+                // `a` in `({ a: b } = ...)`
+                // `[a]` in `({ [a]: b } = ...)`
+                // `"a"` in `({ "a": b } = ...)`
+                // `1` in `({ 1: b } = ...)`
+                if (bindingElement.name) {
+                    var propertyName = bindingElement.name;
+                    if (ts.isPrivateIdentifier(propertyName)) {
+                        return ts.Debug.failBadSyntaxKind(propertyName);
+                    }
+                    return ts.isComputedPropertyName(propertyName) && isStringOrNumericLiteral(propertyName.expression)
+                        ? propertyName.expression
+                        : propertyName;
+                }
+                break;
+            case 298 /* SyntaxKind.SpreadAssignment */:
+                // `a` in `({ ...a } = ...)`
+                if (bindingElement.name && ts.isPrivateIdentifier(bindingElement.name)) {
+                    return ts.Debug.failBadSyntaxKind(bindingElement.name);
+                }
+                return bindingElement.name;
+        }
+        var target = getTargetOfBindingOrAssignmentElement(bindingElement);
+        if (target && ts.isPropertyName(target)) {
+            return target;
+        }
+    }
+    ts.tryGetPropertyNameOfBindingOrAssignmentElement = tryGetPropertyNameOfBindingOrAssignmentElement;
+    function isStringOrNumericLiteral(node) {
+        var kind = node.kind;
+        return kind === 10 /* SyntaxKind.StringLiteral */
+            || kind === 8 /* SyntaxKind.NumericLiteral */;
+    }
+    /**
+     * Gets the elements of a BindingOrAssignmentPattern
+     */
+    function getElementsOfBindingOrAssignmentPattern(name) {
+        switch (name.kind) {
+            case 201 /* SyntaxKind.ObjectBindingPattern */:
+            case 202 /* SyntaxKind.ArrayBindingPattern */:
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                // `a` in `{a}`
+                // `a` in `[a]`
+                return name.elements;
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                // `a` in `{a}`
+                return name.properties;
+        }
+    }
+    ts.getElementsOfBindingOrAssignmentPattern = getElementsOfBindingOrAssignmentPattern;
+    /* @internal */
+    function getJSDocTypeAliasName(fullName) {
+        if (fullName) {
+            var rightNode = fullName;
+            while (true) {
+                if (ts.isIdentifier(rightNode) || !rightNode.body) {
+                    return ts.isIdentifier(rightNode) ? rightNode : rightNode.name;
+                }
+                rightNode = rightNode.body;
+            }
+        }
+    }
+    ts.getJSDocTypeAliasName = getJSDocTypeAliasName;
+    function canHaveModifiers(node) {
+        var kind = node.kind;
+        return kind === 164 /* SyntaxKind.Parameter */
+            || kind === 166 /* SyntaxKind.PropertySignature */
+            || kind === 167 /* SyntaxKind.PropertyDeclaration */
+            || kind === 168 /* SyntaxKind.MethodSignature */
+            || kind === 169 /* SyntaxKind.MethodDeclaration */
+            || kind === 171 /* SyntaxKind.Constructor */
+            || kind === 172 /* SyntaxKind.GetAccessor */
+            || kind === 173 /* SyntaxKind.SetAccessor */
+            || kind === 176 /* SyntaxKind.IndexSignature */
+            || kind === 213 /* SyntaxKind.FunctionExpression */
+            || kind === 214 /* SyntaxKind.ArrowFunction */
+            || kind === 226 /* SyntaxKind.ClassExpression */
+            || kind === 237 /* SyntaxKind.VariableStatement */
+            || kind === 256 /* SyntaxKind.FunctionDeclaration */
+            || kind === 257 /* SyntaxKind.ClassDeclaration */
+            || kind === 258 /* SyntaxKind.InterfaceDeclaration */
+            || kind === 259 /* SyntaxKind.TypeAliasDeclaration */
+            || kind === 260 /* SyntaxKind.EnumDeclaration */
+            || kind === 261 /* SyntaxKind.ModuleDeclaration */
+            || kind === 265 /* SyntaxKind.ImportEqualsDeclaration */
+            || kind === 266 /* SyntaxKind.ImportDeclaration */
+            || kind === 271 /* SyntaxKind.ExportAssignment */
+            || kind === 272 /* SyntaxKind.ExportDeclaration */;
+    }
+    ts.canHaveModifiers = canHaveModifiers;
+    ts.isTypeNodeOrTypeParameterDeclaration = ts.or(ts.isTypeNode, ts.isTypeParameterDeclaration);
+    ts.isQuestionOrExclamationToken = ts.or(ts.isQuestionToken, ts.isExclamationToken);
+    ts.isIdentifierOrThisTypeNode = ts.or(ts.isIdentifier, ts.isThisTypeNode);
+    ts.isReadonlyKeywordOrPlusOrMinusToken = ts.or(ts.isReadonlyKeyword, ts.isPlusToken, ts.isMinusToken);
+    ts.isQuestionOrPlusOrMinusToken = ts.or(ts.isQuestionToken, ts.isPlusToken, ts.isMinusToken);
+    ts.isModuleName = ts.or(ts.isIdentifier, ts.isStringLiteral);
+    function isLiteralTypeLikeExpression(node) {
+        var kind = node.kind;
+        return kind === 104 /* SyntaxKind.NullKeyword */
+            || kind === 110 /* SyntaxKind.TrueKeyword */
+            || kind === 95 /* SyntaxKind.FalseKeyword */
+            || ts.isLiteralExpression(node)
+            || ts.isPrefixUnaryExpression(node);
+    }
+    ts.isLiteralTypeLikeExpression = isLiteralTypeLikeExpression;
+    function isExponentiationOperator(kind) {
+        return kind === 42 /* SyntaxKind.AsteriskAsteriskToken */;
+    }
+    function isMultiplicativeOperator(kind) {
+        return kind === 41 /* SyntaxKind.AsteriskToken */
+            || kind === 43 /* SyntaxKind.SlashToken */
+            || kind === 44 /* SyntaxKind.PercentToken */;
+    }
+    function isMultiplicativeOperatorOrHigher(kind) {
+        return isExponentiationOperator(kind)
+            || isMultiplicativeOperator(kind);
+    }
+    function isAdditiveOperator(kind) {
+        return kind === 39 /* SyntaxKind.PlusToken */
+            || kind === 40 /* SyntaxKind.MinusToken */;
+    }
+    function isAdditiveOperatorOrHigher(kind) {
+        return isAdditiveOperator(kind)
+            || isMultiplicativeOperatorOrHigher(kind);
+    }
+    function isShiftOperator(kind) {
+        return kind === 47 /* SyntaxKind.LessThanLessThanToken */
+            || kind === 48 /* SyntaxKind.GreaterThanGreaterThanToken */
+            || kind === 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */;
+    }
+    function isShiftOperatorOrHigher(kind) {
+        return isShiftOperator(kind)
+            || isAdditiveOperatorOrHigher(kind);
+    }
+    function isRelationalOperator(kind) {
+        return kind === 29 /* SyntaxKind.LessThanToken */
+            || kind === 32 /* SyntaxKind.LessThanEqualsToken */
+            || kind === 31 /* SyntaxKind.GreaterThanToken */
+            || kind === 33 /* SyntaxKind.GreaterThanEqualsToken */
+            || kind === 102 /* SyntaxKind.InstanceOfKeyword */
+            || kind === 101 /* SyntaxKind.InKeyword */;
+    }
+    function isRelationalOperatorOrHigher(kind) {
+        return isRelationalOperator(kind)
+            || isShiftOperatorOrHigher(kind);
+    }
+    function isEqualityOperator(kind) {
+        return kind === 34 /* SyntaxKind.EqualsEqualsToken */
+            || kind === 36 /* SyntaxKind.EqualsEqualsEqualsToken */
+            || kind === 35 /* SyntaxKind.ExclamationEqualsToken */
+            || kind === 37 /* SyntaxKind.ExclamationEqualsEqualsToken */;
+    }
+    function isEqualityOperatorOrHigher(kind) {
+        return isEqualityOperator(kind)
+            || isRelationalOperatorOrHigher(kind);
+    }
+    function isBitwiseOperator(kind) {
+        return kind === 50 /* SyntaxKind.AmpersandToken */
+            || kind === 51 /* SyntaxKind.BarToken */
+            || kind === 52 /* SyntaxKind.CaretToken */;
+    }
+    function isBitwiseOperatorOrHigher(kind) {
+        return isBitwiseOperator(kind)
+            || isEqualityOperatorOrHigher(kind);
+    }
+    // NOTE: The version in utilities includes ExclamationToken, which is not a binary operator.
+    function isLogicalOperator(kind) {
+        return kind === 55 /* SyntaxKind.AmpersandAmpersandToken */
+            || kind === 56 /* SyntaxKind.BarBarToken */;
+    }
+    function isLogicalOperatorOrHigher(kind) {
+        return isLogicalOperator(kind)
+            || isBitwiseOperatorOrHigher(kind);
+    }
+    function isAssignmentOperatorOrHigher(kind) {
+        return kind === 60 /* SyntaxKind.QuestionQuestionToken */
+            || isLogicalOperatorOrHigher(kind)
+            || ts.isAssignmentOperator(kind);
+    }
+    function isBinaryOperator(kind) {
+        return isAssignmentOperatorOrHigher(kind)
+            || kind === 27 /* SyntaxKind.CommaToken */;
+    }
+    function isBinaryOperatorToken(node) {
+        return isBinaryOperator(node.kind);
+    }
+    ts.isBinaryOperatorToken = isBinaryOperatorToken;
+    var BinaryExpressionState;
+    (function (BinaryExpressionState) {
+        /**
+         * Handles walking into a `BinaryExpression`.
+         * @param machine State machine handler functions
+         * @param frame The current frame
+         * @returns The new frame
+         */
+        function enter(machine, stackIndex, stateStack, nodeStack, userStateStack, _resultHolder, outerState) {
+            var prevUserState = stackIndex > 0 ? userStateStack[stackIndex - 1] : undefined;
+            ts.Debug.assertEqual(stateStack[stackIndex], enter);
+            userStateStack[stackIndex] = machine.onEnter(nodeStack[stackIndex], prevUserState, outerState);
+            stateStack[stackIndex] = nextState(machine, enter);
+            return stackIndex;
+        }
+        BinaryExpressionState.enter = enter;
+        /**
+         * Handles walking the `left` side of a `BinaryExpression`.
+         * @param machine State machine handler functions
+         * @param frame The current frame
+         * @returns The new frame
+         */
+        function left(machine, stackIndex, stateStack, nodeStack, userStateStack, _resultHolder, _outerState) {
+            ts.Debug.assertEqual(stateStack[stackIndex], left);
+            ts.Debug.assertIsDefined(machine.onLeft);
+            stateStack[stackIndex] = nextState(machine, left);
+            var nextNode = machine.onLeft(nodeStack[stackIndex].left, userStateStack[stackIndex], nodeStack[stackIndex]);
+            if (nextNode) {
+                checkCircularity(stackIndex, nodeStack, nextNode);
+                return pushStack(stackIndex, stateStack, nodeStack, userStateStack, nextNode);
+            }
+            return stackIndex;
+        }
+        BinaryExpressionState.left = left;
+        /**
+         * Handles walking the `operatorToken` of a `BinaryExpression`.
+         * @param machine State machine handler functions
+         * @param frame The current frame
+         * @returns The new frame
+         */
+        function operator(machine, stackIndex, stateStack, nodeStack, userStateStack, _resultHolder, _outerState) {
+            ts.Debug.assertEqual(stateStack[stackIndex], operator);
+            ts.Debug.assertIsDefined(machine.onOperator);
+            stateStack[stackIndex] = nextState(machine, operator);
+            machine.onOperator(nodeStack[stackIndex].operatorToken, userStateStack[stackIndex], nodeStack[stackIndex]);
+            return stackIndex;
+        }
+        BinaryExpressionState.operator = operator;
+        /**
+         * Handles walking the `right` side of a `BinaryExpression`.
+         * @param machine State machine handler functions
+         * @param frame The current frame
+         * @returns The new frame
+         */
+        function right(machine, stackIndex, stateStack, nodeStack, userStateStack, _resultHolder, _outerState) {
+            ts.Debug.assertEqual(stateStack[stackIndex], right);
+            ts.Debug.assertIsDefined(machine.onRight);
+            stateStack[stackIndex] = nextState(machine, right);
+            var nextNode = machine.onRight(nodeStack[stackIndex].right, userStateStack[stackIndex], nodeStack[stackIndex]);
+            if (nextNode) {
+                checkCircularity(stackIndex, nodeStack, nextNode);
+                return pushStack(stackIndex, stateStack, nodeStack, userStateStack, nextNode);
+            }
+            return stackIndex;
+        }
+        BinaryExpressionState.right = right;
+        /**
+         * Handles walking out of a `BinaryExpression`.
+         * @param machine State machine handler functions
+         * @param frame The current frame
+         * @returns The new frame
+         */
+        function exit(machine, stackIndex, stateStack, nodeStack, userStateStack, resultHolder, _outerState) {
+            ts.Debug.assertEqual(stateStack[stackIndex], exit);
+            stateStack[stackIndex] = nextState(machine, exit);
+            var result = machine.onExit(nodeStack[stackIndex], userStateStack[stackIndex]);
+            if (stackIndex > 0) {
+                stackIndex--;
+                if (machine.foldState) {
+                    var side = stateStack[stackIndex] === exit ? "right" : "left";
+                    userStateStack[stackIndex] = machine.foldState(userStateStack[stackIndex], result, side);
+                }
+            }
+            else {
+                resultHolder.value = result;
+            }
+            return stackIndex;
+        }
+        BinaryExpressionState.exit = exit;
+        /**
+         * Handles a frame that is already done.
+         * @returns The `done` state.
+         */
+        function done(_machine, stackIndex, stateStack, _nodeStack, _userStateStack, _resultHolder, _outerState) {
+            ts.Debug.assertEqual(stateStack[stackIndex], done);
+            return stackIndex;
+        }
+        BinaryExpressionState.done = done;
+        function nextState(machine, currentState) {
+            switch (currentState) {
+                case enter:
+                    if (machine.onLeft)
+                        return left;
+                // falls through
+                case left:
+                    if (machine.onOperator)
+                        return operator;
+                // falls through
+                case operator:
+                    if (machine.onRight)
+                        return right;
+                // falls through
+                case right: return exit;
+                case exit: return done;
+                case done: return done;
+                default: ts.Debug.fail("Invalid state");
+            }
+        }
+        BinaryExpressionState.nextState = nextState;
+        function pushStack(stackIndex, stateStack, nodeStack, userStateStack, node) {
+            stackIndex++;
+            stateStack[stackIndex] = enter;
+            nodeStack[stackIndex] = node;
+            userStateStack[stackIndex] = undefined;
+            return stackIndex;
+        }
+        function checkCircularity(stackIndex, nodeStack, node) {
+            if (ts.Debug.shouldAssert(2 /* AssertionLevel.Aggressive */)) {
+                while (stackIndex >= 0) {
+                    ts.Debug.assert(nodeStack[stackIndex] !== node, "Circular traversal detected.");
+                    stackIndex--;
+                }
+            }
+        }
+    })(BinaryExpressionState || (BinaryExpressionState = {}));
+    /**
+     * Holds state machine handler functions
+     */
+    var BinaryExpressionStateMachine = /** @class */ (function () {
+        function BinaryExpressionStateMachine(onEnter, onLeft, onOperator, onRight, onExit, foldState) {
+            this.onEnter = onEnter;
+            this.onLeft = onLeft;
+            this.onOperator = onOperator;
+            this.onRight = onRight;
+            this.onExit = onExit;
+            this.foldState = foldState;
+        }
+        return BinaryExpressionStateMachine;
+    }());
+    function createBinaryExpressionTrampoline(onEnter, onLeft, onOperator, onRight, onExit, foldState) {
+        var machine = new BinaryExpressionStateMachine(onEnter, onLeft, onOperator, onRight, onExit, foldState);
+        return trampoline;
+        function trampoline(node, outerState) {
+            var resultHolder = { value: undefined };
+            var stateStack = [BinaryExpressionState.enter];
+            var nodeStack = [node];
+            var userStateStack = [undefined];
+            var stackIndex = 0;
+            while (stateStack[stackIndex] !== BinaryExpressionState.done) {
+                stackIndex = stateStack[stackIndex](machine, stackIndex, stateStack, nodeStack, userStateStack, resultHolder, outerState);
+            }
+            ts.Debug.assertEqual(stackIndex, 0);
+            return resultHolder.value;
+        }
+    }
+    ts.createBinaryExpressionTrampoline = createBinaryExpressionTrampoline;
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    function setTextRange(range, location) {
+        return location ? ts.setTextRangePosEnd(range, location.pos, location.end) : range;
+    }
+    ts.setTextRange = setTextRange;
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var SignatureFlags;
+    (function (SignatureFlags) {
+        SignatureFlags[SignatureFlags["None"] = 0] = "None";
+        SignatureFlags[SignatureFlags["Yield"] = 1] = "Yield";
+        SignatureFlags[SignatureFlags["Await"] = 2] = "Await";
+        SignatureFlags[SignatureFlags["Type"] = 4] = "Type";
+        SignatureFlags[SignatureFlags["IgnoreMissingOpenBrace"] = 16] = "IgnoreMissingOpenBrace";
+        SignatureFlags[SignatureFlags["JSDoc"] = 32] = "JSDoc";
+    })(SignatureFlags || (SignatureFlags = {}));
+    var SpeculationKind;
+    (function (SpeculationKind) {
+        SpeculationKind[SpeculationKind["TryParse"] = 0] = "TryParse";
+        SpeculationKind[SpeculationKind["Lookahead"] = 1] = "Lookahead";
+        SpeculationKind[SpeculationKind["Reparse"] = 2] = "Reparse";
+    })(SpeculationKind || (SpeculationKind = {}));
+    var NodeConstructor;
+    var TokenConstructor;
+    var IdentifierConstructor;
+    var PrivateIdentifierConstructor;
+    var SourceFileConstructor;
+    /**
+     * NOTE: You should not use this, it is only exported to support `createNode` in `~/src/deprecatedCompat/deprecations.ts`.
+     */
+    /* @internal */
+    ts.parseBaseNodeFactory = {
+        createBaseSourceFileNode: function (kind) { return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, -1, -1); },
+        createBaseIdentifierNode: function (kind) { return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, -1, -1); },
+        createBasePrivateIdentifierNode: function (kind) { return new (PrivateIdentifierConstructor || (PrivateIdentifierConstructor = ts.objectAllocator.getPrivateIdentifierConstructor()))(kind, -1, -1); },
+        createBaseTokenNode: function (kind) { return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, -1, -1); },
+        createBaseNode: function (kind) { return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, -1, -1); },
+    };
+    /* @internal */
+    ts.parseNodeFactory = ts.createNodeFactory(1 /* NodeFactoryFlags.NoParenthesizerRules */, ts.parseBaseNodeFactory);
+    function visitNode(cbNode, node) {
+        return node && cbNode(node);
+    }
+    function visitNodes(cbNode, cbNodes, nodes) {
+        if (nodes) {
+            if (cbNodes) {
+                return cbNodes(nodes);
+            }
+            for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
+                var node = nodes_1[_i];
+                var result = cbNode(node);
+                if (result) {
+                    return result;
+                }
+            }
+        }
+    }
+    /*@internal*/
+    function isJSDocLikeText(text, start) {
+        return text.charCodeAt(start + 1) === 42 /* CharacterCodes.asterisk */ &&
+            text.charCodeAt(start + 2) === 42 /* CharacterCodes.asterisk */ &&
+            text.charCodeAt(start + 3) !== 47 /* CharacterCodes.slash */;
+    }
+    ts.isJSDocLikeText = isJSDocLikeText;
+    /*@internal*/
+    function isFileProbablyExternalModule(sourceFile) {
+        // Try to use the first top-level import/export when available, then
+        // fall back to looking for an 'import.meta' somewhere in the tree if necessary.
+        return ts.forEach(sourceFile.statements, isAnExternalModuleIndicatorNode) ||
+            getImportMetaIfNecessary(sourceFile);
+    }
+    ts.isFileProbablyExternalModule = isFileProbablyExternalModule;
+    function isAnExternalModuleIndicatorNode(node) {
+        return hasModifierOfKind(node, 93 /* SyntaxKind.ExportKeyword */)
+            || ts.isImportEqualsDeclaration(node) && ts.isExternalModuleReference(node.moduleReference)
+            || ts.isImportDeclaration(node)
+            || ts.isExportAssignment(node)
+            || ts.isExportDeclaration(node) ? node : undefined;
+    }
+    function getImportMetaIfNecessary(sourceFile) {
+        return sourceFile.flags & 4194304 /* NodeFlags.PossiblyContainsImportMeta */ ?
+            walkTreeForImportMeta(sourceFile) :
+            undefined;
+    }
+    function walkTreeForImportMeta(node) {
+        return isImportMeta(node) ? node : forEachChild(node, walkTreeForImportMeta);
+    }
+    /** Do not use hasModifier inside the parser; it relies on parent pointers. Use this instead. */
+    function hasModifierOfKind(node, kind) {
+        return ts.some(node.modifiers, function (m) { return m.kind === kind; });
+    }
+    function isImportMeta(node) {
+        return ts.isMetaProperty(node) && node.keywordToken === 100 /* SyntaxKind.ImportKeyword */ && node.name.escapedText === "meta";
+    }
+    /**
+     * Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes
+     * stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise,
+     * embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns
+     * a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned.
+     *
+     * @param node a given node to visit its children
+     * @param cbNode a callback to be invoked for all child nodes
+     * @param cbNodes a callback to be invoked for embedded array
+     *
+     * @remarks `forEachChild` must visit the children of a node in the order
+     * that they appear in the source code. The language service depends on this property to locate nodes by position.
+     */
+    function forEachChild(node, cbNode, cbNodes) {
+        if (!node || node.kind <= 160 /* SyntaxKind.LastToken */) {
+            return;
+        }
+        switch (node.kind) {
+            case 161 /* SyntaxKind.QualifiedName */:
+                return visitNode(cbNode, node.left) ||
+                    visitNode(cbNode, node.right);
+            case 163 /* SyntaxKind.TypeParameter */:
+                return visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.constraint) ||
+                    visitNode(cbNode, node.default) ||
+                    visitNode(cbNode, node.expression);
+            case 297 /* SyntaxKind.ShorthandPropertyAssignment */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.exclamationToken) ||
+                    visitNode(cbNode, node.equalsToken) ||
+                    visitNode(cbNode, node.objectAssignmentInitializer);
+            case 298 /* SyntaxKind.SpreadAssignment */:
+                return visitNode(cbNode, node.expression);
+            case 164 /* SyntaxKind.Parameter */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.dotDotDotToken) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.type) ||
+                    visitNode(cbNode, node.initializer);
+            case 167 /* SyntaxKind.PropertyDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.exclamationToken) ||
+                    visitNode(cbNode, node.type) ||
+                    visitNode(cbNode, node.initializer);
+            case 166 /* SyntaxKind.PropertySignature */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.type) ||
+                    visitNode(cbNode, node.initializer);
+            case 296 /* SyntaxKind.PropertyAssignment */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.initializer);
+            case 254 /* SyntaxKind.VariableDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.exclamationToken) ||
+                    visitNode(cbNode, node.type) ||
+                    visitNode(cbNode, node.initializer);
+            case 203 /* SyntaxKind.BindingElement */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.dotDotDotToken) ||
+                    visitNode(cbNode, node.propertyName) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.initializer);
+            case 179 /* SyntaxKind.FunctionType */:
+            case 180 /* SyntaxKind.ConstructorType */:
+            case 174 /* SyntaxKind.CallSignature */:
+            case 175 /* SyntaxKind.ConstructSignature */:
+            case 176 /* SyntaxKind.IndexSignature */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.parameters) ||
+                    visitNode(cbNode, node.type);
+            case 169 /* SyntaxKind.MethodDeclaration */:
+            case 168 /* SyntaxKind.MethodSignature */:
+            case 171 /* SyntaxKind.Constructor */:
+            case 172 /* SyntaxKind.GetAccessor */:
+            case 173 /* SyntaxKind.SetAccessor */:
+            case 213 /* SyntaxKind.FunctionExpression */:
+            case 256 /* SyntaxKind.FunctionDeclaration */:
+            case 214 /* SyntaxKind.ArrowFunction */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.asteriskToken) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.exclamationToken) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.parameters) ||
+                    visitNode(cbNode, node.type) ||
+                    visitNode(cbNode, node.equalsGreaterThanToken) ||
+                    visitNode(cbNode, node.body);
+            case 170 /* SyntaxKind.ClassStaticBlockDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.body);
+            case 178 /* SyntaxKind.TypeReference */:
+                return visitNode(cbNode, node.typeName) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments);
+            case 177 /* SyntaxKind.TypePredicate */:
+                return visitNode(cbNode, node.assertsModifier) ||
+                    visitNode(cbNode, node.parameterName) ||
+                    visitNode(cbNode, node.type);
+            case 181 /* SyntaxKind.TypeQuery */:
+                return visitNode(cbNode, node.exprName) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments);
+            case 182 /* SyntaxKind.TypeLiteral */:
+                return visitNodes(cbNode, cbNodes, node.members);
+            case 183 /* SyntaxKind.ArrayType */:
+                return visitNode(cbNode, node.elementType);
+            case 184 /* SyntaxKind.TupleType */:
+                return visitNodes(cbNode, cbNodes, node.elements);
+            case 187 /* SyntaxKind.UnionType */:
+            case 188 /* SyntaxKind.IntersectionType */:
+                return visitNodes(cbNode, cbNodes, node.types);
+            case 189 /* SyntaxKind.ConditionalType */:
+                return visitNode(cbNode, node.checkType) ||
+                    visitNode(cbNode, node.extendsType) ||
+                    visitNode(cbNode, node.trueType) ||
+                    visitNode(cbNode, node.falseType);
+            case 190 /* SyntaxKind.InferType */:
+                return visitNode(cbNode, node.typeParameter);
+            case 200 /* SyntaxKind.ImportType */:
+                return visitNode(cbNode, node.argument) ||
+                    visitNode(cbNode, node.assertions) ||
+                    visitNode(cbNode, node.qualifier) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments);
+            case 295 /* SyntaxKind.ImportTypeAssertionContainer */:
+                return visitNode(cbNode, node.assertClause);
+            case 191 /* SyntaxKind.ParenthesizedType */:
+            case 193 /* SyntaxKind.TypeOperator */:
+                return visitNode(cbNode, node.type);
+            case 194 /* SyntaxKind.IndexedAccessType */:
+                return visitNode(cbNode, node.objectType) ||
+                    visitNode(cbNode, node.indexType);
+            case 195 /* SyntaxKind.MappedType */:
+                return visitNode(cbNode, node.readonlyToken) ||
+                    visitNode(cbNode, node.typeParameter) ||
+                    visitNode(cbNode, node.nameType) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.type) ||
+                    visitNodes(cbNode, cbNodes, node.members);
+            case 196 /* SyntaxKind.LiteralType */:
+                return visitNode(cbNode, node.literal);
+            case 197 /* SyntaxKind.NamedTupleMember */:
+                return visitNode(cbNode, node.dotDotDotToken) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.type);
+            case 201 /* SyntaxKind.ObjectBindingPattern */:
+            case 202 /* SyntaxKind.ArrayBindingPattern */:
+                return visitNodes(cbNode, cbNodes, node.elements);
+            case 204 /* SyntaxKind.ArrayLiteralExpression */:
+                return visitNodes(cbNode, cbNodes, node.elements);
+            case 205 /* SyntaxKind.ObjectLiteralExpression */:
+                return visitNodes(cbNode, cbNodes, node.properties);
+            case 206 /* SyntaxKind.PropertyAccessExpression */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.questionDotToken) ||
+                    visitNode(cbNode, node.name);
+            case 207 /* SyntaxKind.ElementAccessExpression */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.questionDotToken) ||
+                    visitNode(cbNode, node.argumentExpression);
+            case 208 /* SyntaxKind.CallExpression */:
+            case 209 /* SyntaxKind.NewExpression */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.questionDotToken) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments) ||
+                    visitNodes(cbNode, cbNodes, node.arguments);
+            case 210 /* SyntaxKind.TaggedTemplateExpression */:
+                return visitNode(cbNode, node.tag) ||
+                    visitNode(cbNode, node.questionDotToken) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments) ||
+                    visitNode(cbNode, node.template);
+            case 211 /* SyntaxKind.TypeAssertionExpression */:
+                return visitNode(cbNode, node.type) ||
+                    visitNode(cbNode, node.expression);
+            case 212 /* SyntaxKind.ParenthesizedExpression */:
+                return visitNode(cbNode, node.expression);
+            case 215 /* SyntaxKind.DeleteExpression */:
+                return visitNode(cbNode, node.expression);
+            case 216 /* SyntaxKind.TypeOfExpression */:
+                return visitNode(cbNode, node.expression);
+            case 217 /* SyntaxKind.VoidExpression */:
+                return visitNode(cbNode, node.expression);
+            case 219 /* SyntaxKind.PrefixUnaryExpression */:
+                return visitNode(cbNode, node.operand);
+            case 224 /* SyntaxKind.YieldExpression */:
+                return visitNode(cbNode, node.asteriskToken) ||
+                    visitNode(cbNode, node.expression);
+            case 218 /* SyntaxKind.AwaitExpression */:
+                return visitNode(cbNode, node.expression);
+            case 220 /* SyntaxKind.PostfixUnaryExpression */:
+                return visitNode(cbNode, node.operand);
+            case 221 /* SyntaxKind.BinaryExpression */:
+                return visitNode(cbNode, node.left) ||
+                    visitNode(cbNode, node.operatorToken) ||
+                    visitNode(cbNode, node.right);
+            case 229 /* SyntaxKind.AsExpression */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.type);
+            case 230 /* SyntaxKind.NonNullExpression */:
+                return visitNode(cbNode, node.expression);
+            case 231 /* SyntaxKind.MetaProperty */:
+                return visitNode(cbNode, node.name);
+            case 222 /* SyntaxKind.ConditionalExpression */:
+                return visitNode(cbNode, node.condition) ||
+                    visitNode(cbNode, node.questionToken) ||
+                    visitNode(cbNode, node.whenTrue) ||
+                    visitNode(cbNode, node.colonToken) ||
+                    visitNode(cbNode, node.whenFalse);
+            case 225 /* SyntaxKind.SpreadElement */:
+                return visitNode(cbNode, node.expression);
+            case 235 /* SyntaxKind.Block */:
+            case 262 /* SyntaxKind.ModuleBlock */:
+                return visitNodes(cbNode, cbNodes, node.statements);
+            case 305 /* SyntaxKind.SourceFile */:
+                return visitNodes(cbNode, cbNodes, node.statements) ||
+                    visitNode(cbNode, node.endOfFileToken);
+            case 237 /* SyntaxKind.VariableStatement */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.declarationList);
+            case 255 /* SyntaxKind.VariableDeclarationList */:
+                return visitNodes(cbNode, cbNodes, node.declarations);
+            case 238 /* SyntaxKind.ExpressionStatement */:
+                return visitNode(cbNode, node.expression);
+            case 239 /* SyntaxKind.IfStatement */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.thenStatement) ||
+                    visitNode(cbNode, node.elseStatement);
+            case 240 /* SyntaxKind.DoStatement */:
+                return visitNode(cbNode, node.statement) ||
+                    visitNode(cbNode, node.expression);
+            case 241 /* SyntaxKind.WhileStatement */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.statement);
+            case 242 /* SyntaxKind.ForStatement */:
+                return visitNode(cbNode, node.initializer) ||
+                    visitNode(cbNode, node.condition) ||
+                    visitNode(cbNode, node.incrementor) ||
+                    visitNode(cbNode, node.statement);
+            case 243 /* SyntaxKind.ForInStatement */:
+                return visitNode(cbNode, node.initializer) ||
+                    visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.statement);
+            case 244 /* SyntaxKind.ForOfStatement */:
+                return visitNode(cbNode, node.awaitModifier) ||
+                    visitNode(cbNode, node.initializer) ||
+                    visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.statement);
+            case 245 /* SyntaxKind.ContinueStatement */:
+            case 246 /* SyntaxKind.BreakStatement */:
+                return visitNode(cbNode, node.label);
+            case 247 /* SyntaxKind.ReturnStatement */:
+                return visitNode(cbNode, node.expression);
+            case 248 /* SyntaxKind.WithStatement */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.statement);
+            case 249 /* SyntaxKind.SwitchStatement */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNode(cbNode, node.caseBlock);
+            case 263 /* SyntaxKind.CaseBlock */:
+                return visitNodes(cbNode, cbNodes, node.clauses);
+            case 289 /* SyntaxKind.CaseClause */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNodes(cbNode, cbNodes, node.statements);
+            case 290 /* SyntaxKind.DefaultClause */:
+                return visitNodes(cbNode, cbNodes, node.statements);
+            case 250 /* SyntaxKind.LabeledStatement */:
+                return visitNode(cbNode, node.label) ||
+                    visitNode(cbNode, node.statement);
+            case 251 /* SyntaxKind.ThrowStatement */:
+                return visitNode(cbNode, node.expression);
+            case 252 /* SyntaxKind.TryStatement */:
+                return visitNode(cbNode, node.tryBlock) ||
+                    visitNode(cbNode, node.catchClause) ||
+                    visitNode(cbNode, node.finallyBlock);
+            case 292 /* SyntaxKind.CatchClause */:
+                return visitNode(cbNode, node.variableDeclaration) ||
+                    visitNode(cbNode, node.block);
+            case 165 /* SyntaxKind.Decorator */:
+                return visitNode(cbNode, node.expression);
+            case 257 /* SyntaxKind.ClassDeclaration */:
+            case 226 /* SyntaxKind.ClassExpression */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.heritageClauses) ||
+                    visitNodes(cbNode, cbNodes, node.members);
+            case 258 /* SyntaxKind.InterfaceDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.heritageClauses) ||
+                    visitNodes(cbNode, cbNodes, node.members);
+            case 259 /* SyntaxKind.TypeAliasDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNode(cbNode, node.type);
+            case 260 /* SyntaxKind.EnumDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNodes(cbNode, cbNodes, node.members);
+            case 299 /* SyntaxKind.EnumMember */:
+                return visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.initializer);
+            case 261 /* SyntaxKind.ModuleDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.body);
+            case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.moduleReference);
+            case 266 /* SyntaxKind.ImportDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.importClause) ||
+                    visitNode(cbNode, node.moduleSpecifier) ||
+                    visitNode(cbNode, node.assertClause);
+            case 267 /* SyntaxKind.ImportClause */:
+                return visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.namedBindings);
+            case 293 /* SyntaxKind.AssertClause */:
+                return visitNodes(cbNode, cbNodes, node.elements);
+            case 294 /* SyntaxKind.AssertEntry */:
+                return visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.value);
+            case 264 /* SyntaxKind.NamespaceExportDeclaration */:
+                return visitNode(cbNode, node.name);
+            case 268 /* SyntaxKind.NamespaceImport */:
+                return visitNode(cbNode, node.name);
+            case 274 /* SyntaxKind.NamespaceExport */:
+                return visitNode(cbNode, node.name);
+            case 269 /* SyntaxKind.NamedImports */:
+            case 273 /* SyntaxKind.NamedExports */:
+                return visitNodes(cbNode, cbNodes, node.elements);
+            case 272 /* SyntaxKind.ExportDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.exportClause) ||
+                    visitNode(cbNode, node.moduleSpecifier) ||
+                    visitNode(cbNode, node.assertClause);
+            case 270 /* SyntaxKind.ImportSpecifier */:
+            case 275 /* SyntaxKind.ExportSpecifier */:
+                return visitNode(cbNode, node.propertyName) ||
+                    visitNode(cbNode, node.name);
+            case 271 /* SyntaxKind.ExportAssignment */:
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNode(cbNode, node.expression);
+            case 223 /* SyntaxKind.TemplateExpression */:
+                return visitNode(cbNode, node.head) || visitNodes(cbNode, cbNodes, node.templateSpans);
+            case 233 /* SyntaxKind.TemplateSpan */:
+                return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal);
+            case 198 /* SyntaxKind.TemplateLiteralType */:
+                return visitNode(cbNode, node.head) || visitNodes(cbNode, cbNodes, node.templateSpans);
+            case 199 /* SyntaxKind.TemplateLiteralTypeSpan */:
+                return visitNode(cbNode, node.type) || visitNode(cbNode, node.literal);
+            case 162 /* SyntaxKind.ComputedPropertyName */:
+                return visitNode(cbNode, node.expression);
+            case 291 /* SyntaxKind.HeritageClause */:
+                return visitNodes(cbNode, cbNodes, node.types);
+            case 228 /* SyntaxKind.ExpressionWithTypeArguments */:
+                return visitNode(cbNode, node.expression) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments);
+            case 277 /* SyntaxKind.ExternalModuleReference */:
+                return visitNode(cbNode, node.expression);
+            case 276 /* SyntaxKind.MissingDeclaration */:
+                return visitNodes(cbNode, cbNodes, node.decorators);
+            case 351 /* SyntaxKind.CommaListExpression */:
+                return visitNodes(cbNode, cbNodes, node.elements);
+            case 278 /* SyntaxKind.JsxElement */:
+                return visitNode(cbNode, node.openingElement) ||
+                    visitNodes(cbNode, cbNodes, node.children) ||
+                    visitNode(cbNode, node.closingElement);
+            case 282 /* SyntaxKind.JsxFragment */:
+                return visitNode(cbNode, node.openingFragment) ||
+                    visitNodes(cbNode, cbNodes, node.children) ||
+                    visitNode(cbNode, node.closingFragment);
+            case 279 /* SyntaxKind.JsxSelfClosingElement */:
+            case 280 /* SyntaxKind.JsxOpeningElement */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNodes(cbNode, cbNodes, node.typeArguments) ||
+                    visitNode(cbNode, node.attributes);
+            case 286 /* SyntaxKind.JsxAttributes */:
+                return visitNodes(cbNode, cbNodes, node.properties);
+            case 285 /* SyntaxKind.JsxAttribute */:
+                return visitNode(cbNode, node.name) ||
+                    visitNode(cbNode, node.initializer);
+            case 287 /* SyntaxKind.JsxSpreadAttribute */:
+                return visitNode(cbNode, node.expression);
+            case 288 /* SyntaxKind.JsxExpression */:
+                return visitNode(cbNode, node.dotDotDotToken) ||
+                    visitNode(cbNode, node.expression);
+            case 281 /* SyntaxKind.JsxClosingElement */:
+                return visitNode(cbNode, node.tagName);
+            case 185 /* SyntaxKind.OptionalType */:
+            case 186 /* SyntaxKind.RestType */:
+            case 309 /* SyntaxKind.JSDocTypeExpression */:
+            case 315 /* SyntaxKind.JSDocNonNullableType */:
+            case 314 /* SyntaxKind.JSDocNullableType */:
+            case 316 /* SyntaxKind.JSDocOptionalType */:
+            case 318 /* SyntaxKind.JSDocVariadicType */:
+                return visitNode(cbNode, node.type);
+            case 317 /* SyntaxKind.JSDocFunctionType */:
+                return visitNodes(cbNode, cbNodes, node.parameters) ||
+                    visitNode(cbNode, node.type);
+            case 320 /* SyntaxKind.JSDoc */:
+                return (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment))
+                    || visitNodes(cbNode, cbNodes, node.tags);
+            case 346 /* SyntaxKind.JSDocSeeTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNode(cbNode, node.name) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 310 /* SyntaxKind.JSDocNameReference */:
+                return visitNode(cbNode, node.name);
+            case 311 /* SyntaxKind.JSDocMemberName */:
+                return visitNode(cbNode, node.left) ||
+                    visitNode(cbNode, node.right);
+            case 340 /* SyntaxKind.JSDocParameterTag */:
+            case 347 /* SyntaxKind.JSDocPropertyTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    (node.isNameFirst
+                        ? visitNode(cbNode, node.name) ||
+                            visitNode(cbNode, node.typeExpression) ||
+                            (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment))
+                        : visitNode(cbNode, node.typeExpression) ||
+                            visitNode(cbNode, node.name) ||
+                            (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment)));
+            case 330 /* SyntaxKind.JSDocAuthorTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 329 /* SyntaxKind.JSDocImplementsTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNode(cbNode, node.class) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 328 /* SyntaxKind.JSDocAugmentsTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNode(cbNode, node.class) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 344 /* SyntaxKind.JSDocTemplateTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNode(cbNode, node.constraint) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 345 /* SyntaxKind.JSDocTypedefTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    (node.typeExpression &&
+                        node.typeExpression.kind === 309 /* SyntaxKind.JSDocTypeExpression */
+                        ? visitNode(cbNode, node.typeExpression) ||
+                            visitNode(cbNode, node.fullName) ||
+                            (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment))
+                        : visitNode(cbNode, node.fullName) ||
+                            visitNode(cbNode, node.typeExpression) ||
+                            (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment)));
+            case 338 /* SyntaxKind.JSDocCallbackTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNode(cbNode, node.fullName) ||
+                    visitNode(cbNode, node.typeExpression) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 341 /* SyntaxKind.JSDocReturnTag */:
+            case 343 /* SyntaxKind.JSDocTypeTag */:
+            case 342 /* SyntaxKind.JSDocThisTag */:
+            case 339 /* SyntaxKind.JSDocEnumTag */:
+                return visitNode(cbNode, node.tagName) ||
+                    visitNode(cbNode, node.typeExpression) ||
+                    (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 323 /* SyntaxKind.JSDocSignature */:
+                return ts.forEach(node.typeParameters, cbNode) ||
+                    ts.forEach(node.parameters, cbNode) ||
+                    visitNode(cbNode, node.type);
+            case 324 /* SyntaxKind.JSDocLink */:
+            case 325 /* SyntaxKind.JSDocLinkCode */:
+            case 326 /* SyntaxKind.JSDocLinkPlain */:
+                return visitNode(cbNode, node.name);
+            case 322 /* SyntaxKind.JSDocTypeLiteral */:
+                return ts.forEach(node.jsDocPropertyTags, cbNode);
+            case 327 /* SyntaxKind.JSDocTag */:
+            case 332 /* SyntaxKind.JSDocClassTag */:
+            case 333 /* SyntaxKind.JSDocPublicTag */:
+            case 334 /* SyntaxKind.JSDocPrivateTag */:
+            case 335 /* SyntaxKind.JSDocProtectedTag */:
+            case 336 /* SyntaxKind.JSDocReadonlyTag */:
+            case 331 /* SyntaxKind.JSDocDeprecatedTag */:
+                return visitNode(cbNode, node.tagName)
+                    || (typeof node.comment === "string" ? undefined : visitNodes(cbNode, cbNodes, node.comment));
+            case 350 /* SyntaxKind.PartiallyEmittedExpression */:
+                return visitNode(cbNode, node.expression);
+        }
+    }
+    ts.forEachChild = forEachChild;
+    /** @internal */
+    /**
+     * Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes
+     * stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; additionally,
+     * unlike `forEachChild`, embedded arrays are flattened and the 'cbNode' callback is invoked for each element.
+     *  If a callback returns a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned.
+     *
+     * @param node a given node to visit its children
+     * @param cbNode a callback to be invoked for all child nodes
+     * @param cbNodes a callback to be invoked for embedded array
+     *
+     * @remarks Unlike `forEachChild`, `forEachChildRecursively` handles recursively invoking the traversal on each child node found,
+     * and while doing so, handles traversing the structure without relying on the callstack to encode the tree structure.
+     */
+    function forEachChildRecursively(rootNode, cbNode, cbNodes) {
+        var queue = gatherPossibleChildren(rootNode);
+        var parents = []; // tracks parent references for elements in queue
+        while (parents.length < queue.length) {
+            parents.push(rootNode);
+        }
+        while (queue.length !== 0) {
+            var current = queue.pop();
+            var parent = parents.pop();
+            if (ts.isArray(current)) {
+                if (cbNodes) {
+                    var res = cbNodes(current, parent);
+                    if (res) {
+                        if (res === "skip")
+                            continue;
+                        return res;
+                    }
+                }
+                for (var i = current.length - 1; i >= 0; --i) {
+                    queue.push(current[i]);
+                    parents.push(parent);
+                }
+            }
+            else {
+                var res = cbNode(current, parent);
+                if (res) {
+                    if (res === "skip")
+                        continue;
+                    return res;
+                }
+                if (current.kind >= 161 /* SyntaxKind.FirstNode */) {
+                    // add children in reverse order to the queue, so popping gives the first child
+                    for (var _i = 0, _a = gatherPossibleChildren(current); _i < _a.length; _i++) {
+                        var child = _a[_i];
+                        queue.push(child);
+                        parents.push(current);
+                    }
+                }
+            }
+        }
+    }
+    ts.forEachChildRecursively = forEachChildRecursively;
+    function gatherPossibleChildren(node) {
+        var children = [];
+        forEachChild(node, addWorkItem, addWorkItem); // By using a stack above and `unshift` here, we emulate a depth-first preorder traversal
+        return children;
+        function addWorkItem(n) {
+            children.unshift(n);
+        }
+    }
+    function setExternalModuleIndicator(sourceFile) {
+        sourceFile.externalModuleIndicator = isFileProbablyExternalModule(sourceFile);
+    }
+    function createSourceFile(fileName, sourceText, languageVersionOrOptions, setParentNodes, scriptKind) {
+        if (setParentNodes === void 0) { setParentNodes = false; }
+        ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("parse" /* tracing.Phase.Parse */, "createSourceFile", { path: fileName }, /*separateBeginAndEnd*/ true);
+        ts.performance.mark("beforeParse");
+        var result;
+        ts.perfLogger.logStartParseSourceFile(fileName);
+        var _a = typeof languageVersionOrOptions === "object" ? languageVersionOrOptions : { languageVersion: languageVersionOrOptions }, languageVersion = _a.languageVersion, overrideSetExternalModuleIndicator = _a.setExternalModuleIndicator, format = _a.impliedNodeFormat;
+        if (languageVersion === 100 /* ScriptTarget.JSON */) {
+            result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes, 6 /* ScriptKind.JSON */, ts.noop);
+        }
+        else {
+            var setIndicator = format === undefined ? overrideSetExternalModuleIndicator : function (file) {
+                file.impliedNodeFormat = format;
+                return (overrideSetExternalModuleIndicator || setExternalModuleIndicator)(file);
+            };
+            result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes, scriptKind, setIndicator);
+        }
+        ts.perfLogger.logStopParseSourceFile();
+        ts.performance.mark("afterParse");
+        ts.performance.measure("Parse", "beforeParse", "afterParse");
+        ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop();
+        return result;
+    }
+    ts.createSourceFile = createSourceFile;
+    function parseIsolatedEntityName(text, languageVersion) {
+        return Parser.parseIsolatedEntityName(text, languageVersion);
+    }
+    ts.parseIsolatedEntityName = parseIsolatedEntityName;
+    /**
+     * Parse json text into SyntaxTree and return node and parse errors if any
+     * @param fileName
+     * @param sourceText
+     */
+    function parseJsonText(fileName, sourceText) {
+        return Parser.parseJsonText(fileName, sourceText);
+    }
+    ts.parseJsonText = parseJsonText;
+    // See also `isExternalOrCommonJsModule` in utilities.ts
+    function isExternalModule(file) {
+        return file.externalModuleIndicator !== undefined;
+    }
+    ts.isExternalModule = isExternalModule;
+    // Produces a new SourceFile for the 'newText' provided. The 'textChangeRange' parameter
+    // indicates what changed between the 'text' that this SourceFile has and the 'newText'.
+    // The SourceFile will be created with the compiler attempting to reuse as many nodes from
+    // this file as possible.
+    //
+    // Note: this function mutates nodes from this SourceFile. That means any existing nodes
+    // from this SourceFile that are being held onto may change as a result (including
+    // becoming detached from any SourceFile).  It is recommended that this SourceFile not
+    // be used once 'update' is called on it.
+    function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) {
+        if (aggressiveChecks === void 0) { aggressiveChecks = false; }
+        var newSourceFile = IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks);
+        // Because new source file node is created, it may not have the flag PossiblyContainDynamicImport. This is the case if there is no new edit to add dynamic import.
+        // We will manually port the flag to the new source file.
+        newSourceFile.flags |= (sourceFile.flags & 6291456 /* NodeFlags.PermanentlySetIncrementalFlags */);
+        return newSourceFile;
+    }
+    ts.updateSourceFile = updateSourceFile;
+    /* @internal */
+    function parseIsolatedJSDocComment(content, start, length) {
+        var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length);
+        if (result && result.jsDoc) {
+            // because the jsDocComment was parsed out of the source file, it might
+            // not be covered by the fixupParentReferences.
+            Parser.fixupParentReferences(result.jsDoc);
+        }
+        return result;
+    }
+    ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment;
+    /* @internal */
+    // Exposed only for testing.
+    function parseJSDocTypeExpressionForTests(content, start, length) {
+        return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length);
+    }
+    ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests;
+    // Implement the parser as a singleton module.  We do this for perf reasons because creating
+    // parser instances can actually be expensive enough to impact us on projects with many source
+    // files.
+    var Parser;
+    (function (Parser) {
+        // Share a single scanner across all calls to parse a source file.  This helps speed things
+        // up by avoiding the cost of creating/compiling scanners over and over again.
+        var scanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ true);
+        var disallowInAndDecoratorContext = 4096 /* NodeFlags.DisallowInContext */ | 16384 /* NodeFlags.DecoratorContext */;
+        // capture constructors in 'initializeState' to avoid null checks
+        // tslint:disable variable-name
+        var NodeConstructor;
+        var TokenConstructor;
+        var IdentifierConstructor;
+        var PrivateIdentifierConstructor;
+        var SourceFileConstructor;
+        // tslint:enable variable-name
+        function countNode(node) {
+            nodeCount++;
+            return node;
+        }
+        // Rather than using `createBaseNodeFactory` here, we establish a `BaseNodeFactory` that closes over the
+        // constructors above, which are reset each time `initializeState` is called.
+        var baseNodeFactory = {
+            createBaseSourceFileNode: function (kind) { return countNode(new SourceFileConstructor(kind, /*pos*/ 0, /*end*/ 0)); },
+            createBaseIdentifierNode: function (kind) { return countNode(new IdentifierConstructor(kind, /*pos*/ 0, /*end*/ 0)); },
+            createBasePrivateIdentifierNode: function (kind) { return countNode(new PrivateIdentifierConstructor(kind, /*pos*/ 0, /*end*/ 0)); },
+            createBaseTokenNode: function (kind) { return countNode(new TokenConstructor(kind, /*pos*/ 0, /*end*/ 0)); },
+            createBaseNode: function (kind) { return countNode(new NodeConstructor(kind, /*pos*/ 0, /*end*/ 0)); }
+        };
+        var factory = ts.createNodeFactory(1 /* NodeFactoryFlags.NoParenthesizerRules */ | 2 /* NodeFactoryFlags.NoNodeConverters */ | 8 /* NodeFactoryFlags.NoOriginalNode */, baseNodeFactory);
+        var fileName;
+        var sourceFlags;
+        var sourceText;
+        var languageVersion;
+        var scriptKind;
+        var languageVariant;
+        var parseDiagnostics;
+        var jsDocDiagnostics;
+        var syntaxCursor;
+        var currentToken;
+        var nodeCount;
+        var identifiers;
+        var privateIdentifiers;
+        var identifierCount;
+        var parsingContext;
+        var notParenthesizedArrow;
+        // Flags that dictate what parsing context we're in.  For example:
+        // Whether or not we are in strict parsing mode.  All that changes in strict parsing mode is
+        // that some tokens that would be considered identifiers may be considered keywords.
+        //
+        // When adding more parser context flags, consider which is the more common case that the
+        // flag will be in.  This should be the 'false' state for that flag.  The reason for this is
+        // that we don't store data in our nodes unless the value is in the *non-default* state.  So,
+        // for example, more often than code 'allows-in' (or doesn't 'disallow-in').  We opt for
+        // 'disallow-in' set to 'false'.  Otherwise, if we had 'allowsIn' set to 'true', then almost
+        // all nodes would need extra state on them to store this info.
+        //
+        // Note: 'allowIn' and 'allowYield' track 1:1 with the [in] and [yield] concepts in the ES6
+        // grammar specification.
+        //
+        // An important thing about these context concepts.  By default they are effectively inherited
+        // while parsing through every grammar production.  i.e. if you don't change them, then when
+        // you parse a sub-production, it will have the same context values as the parent production.
+        // This is great most of the time.  After all, consider all the 'expression' grammar productions
+        // and how nearly all of them pass along the 'in' and 'yield' context values:
+        //
+        // EqualityExpression[In, Yield] :
+        //      RelationalExpression[?In, ?Yield]
+        //      EqualityExpression[?In, ?Yield] == RelationalExpression[?In, ?Yield]
+        //      EqualityExpression[?In, ?Yield] != RelationalExpression[?In, ?Yield]
+        //      EqualityExpression[?In, ?Yield] === RelationalExpression[?In, ?Yield]
+        //      EqualityExpression[?In, ?Yield] !== RelationalExpression[?In, ?Yield]
+        //
+        // Where you have to be careful is then understanding what the points are in the grammar
+        // where the values are *not* passed along.  For example:
+        //
+        // SingleNameBinding[Yield,GeneratorParameter]
+        //      [+GeneratorParameter]BindingIdentifier[Yield] Initializer[In]opt
+        //      [~GeneratorParameter]BindingIdentifier[?Yield]Initializer[In, ?Yield]opt
+        //
+        // Here this is saying that if the GeneratorParameter context flag is set, that we should
+        // explicitly set the 'yield' context flag to false before calling into the BindingIdentifier
+        // and we should explicitly unset the 'yield' context flag before calling into the Initializer.
+        // production.  Conversely, if the GeneratorParameter context flag is not set, then we
+        // should leave the 'yield' context flag alone.
+        //
+        // Getting this all correct is tricky and requires careful reading of the grammar to
+        // understand when these values should be changed versus when they should be inherited.
+        //
+        // Note: it should not be necessary to save/restore these flags during speculative/lookahead
+        // parsing.  These context flags are naturally stored and restored through normal recursive
+        // descent parsing and unwinding.
+        var contextFlags;
+        // Indicates whether we are currently parsing top-level statements.
+        var topLevel = true;
+        // Whether or not we've had a parse error since creating the last AST node.  If we have
+        // encountered an error, it will be stored on the next AST node we create.  Parse errors
+        // can be broken down into three categories:
+        //
+        // 1) An error that occurred during scanning.  For example, an unterminated literal, or a
+        //    character that was completely not understood.
+        //
+        // 2) A token was expected, but was not present.  This type of error is commonly produced
+        //    by the 'parseExpected' function.
+        //
+        // 3) A token was present that no parsing function was able to consume.  This type of error
+        //    only occurs in the 'abortParsingListOrMoveToNextToken' function when the parser
+        //    decides to skip the token.
+        //
+        // In all of these cases, we want to mark the next node as having had an error before it.
+        // With this mark, we can know in incremental settings if this node can be reused, or if
+        // we have to reparse it.  If we don't keep this information around, we may just reuse the
+        // node.  in that event we would then not produce the same errors as we did before, causing
+        // significant confusion problems.
+        //
+        // Note: it is necessary that this value be saved/restored during speculative/lookahead
+        // parsing.  During lookahead parsing, we will often create a node.  That node will have
+        // this value attached, and then this value will be set back to 'false'.  If we decide to
+        // rewind, we must get back to the same value we had prior to the lookahead.
+        //
+        // Note: any errors at the end of the file that do not precede a regular node, should get
+        // attached to the EOF token.
+        var parseErrorBeforeNextFinishedNode = false;
+        function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes, scriptKind, setExternalModuleIndicatorOverride) {
+            var _a;
+            if (setParentNodes === void 0) { setParentNodes = false; }
+            scriptKind = ts.ensureScriptKind(fileName, scriptKind);
+            if (scriptKind === 6 /* ScriptKind.JSON */) {
+                var result_3 = parseJsonText(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes);
+                ts.convertToObjectWorker(result_3, (_a = result_3.statements[0]) === null || _a === void 0 ? void 0 : _a.expression, result_3.parseDiagnostics, /*returnValue*/ false, /*knownRootOptions*/ undefined, /*jsonConversionNotifier*/ undefined);
+                result_3.referencedFiles = ts.emptyArray;
+                result_3.typeReferenceDirectives = ts.emptyArray;
+                result_3.libReferenceDirectives = ts.emptyArray;
+                result_3.amdDependencies = ts.emptyArray;
+                result_3.hasNoDefaultLib = false;
+                result_3.pragmas = ts.emptyMap;
+                return result_3;
+            }
+            initializeState(fileName, sourceText, languageVersion, syntaxCursor, scriptKind);
+            var result = parseSourceFileWorker(languageVersion, setParentNodes, scriptKind, setExternalModuleIndicatorOverride || setExternalModuleIndicator);
+            clearState();
+            return result;
+        }
+        Parser.parseSourceFile = parseSourceFile;
+        function parseIsolatedEntityName(content, languageVersion) {
+            // Choice of `isDeclarationFile` should be arbitrary
+            initializeState("", content, languageVersion, /*syntaxCursor*/ undefined, 1 /* ScriptKind.JS */);
+            // Prime the scanner.
+            nextToken();
+            var entityName = parseEntityName(/*allowReservedWords*/ true);
+            var isInvalid = token() === 1 /* SyntaxKind.EndOfFileToken */ && !parseDiagnostics.length;
+            clearState();
+            return isInvalid ? entityName : undefined;
+        }
+        Parser.parseIsolatedEntityName = parseIsolatedEntityName;
+        function parseJsonText(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes) {
+            if (languageVersion === void 0) { languageVersion = 2 /* ScriptTarget.ES2015 */; }
+            if (setParentNodes === void 0) { setParentNodes = false; }
+            initializeState(fileName, sourceText, languageVersion, syntaxCursor, 6 /* ScriptKind.JSON */);
+            sourceFlags = contextFlags;
+            // Prime the scanner.
+            nextToken();
+            var pos = getNodePos();
+            var statements, endOfFileToken;
+            if (token() === 1 /* SyntaxKind.EndOfFileToken */) {
+                statements = createNodeArray([], pos, pos);
+                endOfFileToken = parseTokenNode();
+            }
+            else {
+                // Loop and synthesize an ArrayLiteralExpression if there are more than
+                // one top-level expressions to ensure all input text is consumed.
+                var expressions = void 0;
+                while (token() !== 1 /* SyntaxKind.EndOfFileToken */) {
+                    var expression_1 = void 0;
+                    switch (token()) {
+                        case 22 /* SyntaxKind.OpenBracketToken */:
+                            expression_1 = parseArrayLiteralExpression();
+                            break;
+                        case 110 /* SyntaxKind.TrueKeyword */:
+                        case 95 /* SyntaxKind.FalseKeyword */:
+                        case 104 /* SyntaxKind.NullKeyword */:
+                            expression_1 = parseTokenNode();
+                            break;
+                        case 40 /* SyntaxKind.MinusToken */:
+                            if (lookAhead(function () { return nextToken() === 8 /* SyntaxKind.NumericLiteral */ && nextToken() !== 58 /* SyntaxKind.ColonToken */; })) {
+                                expression_1 = parsePrefixUnaryExpression();
+                            }
+                            else {
+                                expression_1 = parseObjectLiteralExpression();
+                            }
+                            break;
+                        case 8 /* SyntaxKind.NumericLiteral */:
+                        case 10 /* SyntaxKind.StringLiteral */:
+                            if (lookAhead(function () { return nextToken() !== 58 /* SyntaxKind.ColonToken */; })) {
+                                expression_1 = parseLiteralNode();
+                                break;
+                            }
+                        // falls through
+                        default:
+                            expression_1 = parseObjectLiteralExpression();
+                            break;
+                    }
+                    // Error recovery: collect multiple top-level expressions
+                    if (expressions && ts.isArray(expressions)) {
+                        expressions.push(expression_1);
+                    }
+                    else if (expressions) {
+                        expressions = [expressions, expression_1];
+                    }
+                    else {
+                        expressions = expression_1;
+                        if (token() !== 1 /* SyntaxKind.EndOfFileToken */) {
+                            parseErrorAtCurrentToken(ts.Diagnostics.Unexpected_token);
+                        }
+                    }
+                }
+                var expression = ts.isArray(expressions) ? finishNode(factory.createArrayLiteralExpression(expressions), pos) : ts.Debug.checkDefined(expressions);
+                var statement = factory.createExpressionStatement(expression);
+                finishNode(statement, pos);
+                statements = createNodeArray([statement], pos);
+                endOfFileToken = parseExpectedToken(1 /* SyntaxKind.EndOfFileToken */, ts.Diagnostics.Unexpected_token);
+            }
+            // Set source file so that errors will be reported with this file name
+            var sourceFile = createSourceFile(fileName, 2 /* ScriptTarget.ES2015 */, 6 /* ScriptKind.JSON */, /*isDeclaration*/ false, statements, endOfFileToken, sourceFlags, ts.noop);
+            if (setParentNodes) {
+                fixupParentReferences(sourceFile);
+            }
+            sourceFile.nodeCount = nodeCount;
+            sourceFile.identifierCount = identifierCount;
+            sourceFile.identifiers = identifiers;
+            sourceFile.parseDiagnostics = ts.attachFileToDiagnostics(parseDiagnostics, sourceFile);
+            if (jsDocDiagnostics) {
+                sourceFile.jsDocDiagnostics = ts.attachFileToDiagnostics(jsDocDiagnostics, sourceFile);
+            }
+            var result = sourceFile;
+            clearState();
+            return result;
+        }
+        Parser.parseJsonText = parseJsonText;
+        function initializeState(_fileName, _sourceText, _languageVersion, _syntaxCursor, _scriptKind) {
+            NodeConstructor = ts.objectAllocator.getNodeConstructor();
+            TokenConstructor = ts.objectAllocator.getTokenConstructor();
+            IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor();
+            PrivateIdentifierConstructor = ts.objectAllocator.getPrivateIdentifierConstructor();
+            SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor();
+            fileName = ts.normalizePath(_fileName);
+            sourceText = _sourceText;
+            languageVersion = _languageVersion;
+            syntaxCursor = _syntaxCursor;
+            scriptKind = _scriptKind;
+            languageVariant = ts.getLanguageVariant(_scriptKind);
+            parseDiagnostics = [];
+            parsingContext = 0;
+            identifiers = new ts.Map();
+            privateIdentifiers = new ts.Map();
+            identifierCount = 0;
+            nodeCount = 0;
+            sourceFlags = 0;
+            topLevel = true;
+            switch (scriptKind) {
+                case 1 /* ScriptKind.JS */:
+                case 2 /* ScriptKind.JSX */:
+                    contextFlags = 262144 /* NodeFlags.JavaScriptFile */;
+                    break;
+                case 6 /* ScriptKind.JSON */:
+                    contextFlags = 262144 /* NodeFlags.JavaScriptFile */ | 67108864 /* NodeFlags.JsonFile */;
+                    break;
+                default:
+                    contextFlags = 0 /* NodeFlags.None */;
+                    break;
+            }
+            parseErrorBeforeNextFinishedNode = false;
+            // Initialize and prime the scanner before parsing the source elements.
+            scanner.setText(sourceText);
+            scanner.setOnError(scanError);
+            scanner.setScriptTarget(languageVersion);
+            scanner.setLanguageVariant(languageVariant);
+        }
+        function clearState() {
+            // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily.
+            scanner.clearCommentDirectives();
+            scanner.setText("");
+            scanner.setOnError(undefined);
+            // Clear any data.  We don't want to accidentally hold onto it for too long.
+            sourceText = undefined;
+            languageVersion = undefined;
+            syntaxCursor = undefined;
+            scriptKind = undefined;
+            languageVariant = undefined;
+            sourceFlags = 0;
+            parseDiagnostics = undefined;
+            jsDocDiagnostics = undefined;
+            parsingContext = 0;
+            identifiers = undefined;
+            notParenthesizedArrow = undefined;
+            topLevel = true;
+        }
+        function parseSourceFileWorker(languageVersion, setParentNodes, scriptKind, setExternalModuleIndicator) {
+            var isDeclarationFile = isDeclarationFileName(fileName);
+            if (isDeclarationFile) {
+                contextFlags |= 16777216 /* NodeFlags.Ambient */;
+            }
+            sourceFlags = contextFlags;
+            // Prime the scanner.
+            nextToken();
+            var statements = parseList(0 /* ParsingContext.SourceElements */, parseStatement);
+            ts.Debug.assert(token() === 1 /* SyntaxKind.EndOfFileToken */);
+            var endOfFileToken = addJSDocComment(parseTokenNode());
+            var sourceFile = createSourceFile(fileName, languageVersion, scriptKind, isDeclarationFile, statements, endOfFileToken, sourceFlags, setExternalModuleIndicator);
+            // A member of ReadonlyArray isn't assignable to a member of T[] (and prevents a direct cast) - but this is where we set up those members so they can be readonly in the future
+            processCommentPragmas(sourceFile, sourceText);
+            processPragmasIntoFields(sourceFile, reportPragmaDiagnostic);
+            sourceFile.commentDirectives = scanner.getCommentDirectives();
+            sourceFile.nodeCount = nodeCount;
+            sourceFile.identifierCount = identifierCount;
+            sourceFile.identifiers = identifiers;
+            sourceFile.parseDiagnostics = ts.attachFileToDiagnostics(parseDiagnostics, sourceFile);
+            if (jsDocDiagnostics) {
+                sourceFile.jsDocDiagnostics = ts.attachFileToDiagnostics(jsDocDiagnostics, sourceFile);
+            }
+            if (setParentNodes) {
+                fixupParentReferences(sourceFile);
+            }
+            return sourceFile;
+            function reportPragmaDiagnostic(pos, end, diagnostic) {
+                parseDiagnostics.push(ts.createDetachedDiagnostic(fileName, pos, end, diagnostic));
+            }
+        }
+        function withJSDoc(node, hasJSDoc) {
+            return hasJSDoc ? addJSDocComment(node) : node;
+        }
+        var hasDeprecatedTag = false;
+        function addJSDocComment(node) {
+            ts.Debug.assert(!node.jsDoc); // Should only be called once per node
+            var jsDoc = ts.mapDefined(ts.getJSDocCommentRanges(node, sourceText), function (comment) { return JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); });
+            if (jsDoc.length)
+                node.jsDoc = jsDoc;
+            if (hasDeprecatedTag) {
+                hasDeprecatedTag = false;
+                node.flags |= 268435456 /* NodeFlags.Deprecated */;
+            }
+            return node;
+        }
+        function reparseTopLevelAwait(sourceFile) {
+            var savedSyntaxCursor = syntaxCursor;
+            var baseSyntaxCursor = IncrementalParser.createSyntaxCursor(sourceFile);
+            syntaxCursor = { currentNode: currentNode };
+            var statements = [];
+            var savedParseDiagnostics = parseDiagnostics;
+            parseDiagnostics = [];
+            var pos = 0;
+            var start = findNextStatementWithAwait(sourceFile.statements, 0);
+            var _loop_3 = function () {
+                // append all statements between pos and start
+                var prevStatement = sourceFile.statements[pos];
+                var nextStatement = sourceFile.statements[start];
+                ts.addRange(statements, sourceFile.statements, pos, start);
+                pos = findNextStatementWithoutAwait(sourceFile.statements, start);
+                // append all diagnostics associated with the copied range
+                var diagnosticStart = ts.findIndex(savedParseDiagnostics, function (diagnostic) { return diagnostic.start >= prevStatement.pos; });
+                var diagnosticEnd = diagnosticStart >= 0 ? ts.findIndex(savedParseDiagnostics, function (diagnostic) { return diagnostic.start >= nextStatement.pos; }, diagnosticStart) : -1;
+                if (diagnosticStart >= 0) {
+                    ts.addRange(parseDiagnostics, savedParseDiagnostics, diagnosticStart, diagnosticEnd >= 0 ? diagnosticEnd : undefined);
+                }
+                // reparse all statements between start and pos. We skip existing diagnostics for the same range and allow the parser to generate new ones.
+                speculationHelper(function () {
+                    var savedContextFlags = contextFlags;
+                    contextFlags |= 32768 /* NodeFlags.AwaitContext */;
+                    scanner.setTextPos(nextStatement.pos);
+                    nextToken();
+                    while (token() !== 1 /* SyntaxKind.EndOfFileToken */) {
+                        var startPos = scanner.getStartPos();
+                        var statement = parseListElement(0 /* ParsingContext.SourceElements */, parseStatement);
+                        statements.push(statement);
+                        if (startPos === scanner.getStartPos()) {
+                            nextToken();
+                        }
+                        if (pos >= 0) {
+                            var nonAwaitStatement = sourceFile.statements[pos];
+                            if (statement.end === nonAwaitStatement.pos) {
+                                // done reparsing this section
+                                break;
+                            }
+                            if (statement.end > nonAwaitStatement.pos) {
+                                // we ate into the next statement, so we must reparse it.
+                                pos = findNextStatementWithoutAwait(sourceFile.statements, pos + 1);
+                            }
+                        }
+                    }
+                    contextFlags = savedContextFlags;
+                }, 2 /* SpeculationKind.Reparse */);
+                // find the next statement containing an `await`
+                start = pos >= 0 ? findNextStatementWithAwait(sourceFile.statements, pos) : -1;
+            };
+            while (start !== -1) {
+                _loop_3();
+            }
+            // append all statements between pos and the end of the list
+            if (pos >= 0) {
+                var prevStatement_1 = sourceFile.statements[pos];
+                ts.addRange(statements, sourceFile.statements, pos);
+                // append all diagnostics associated with the copied range
+                var diagnosticStart = ts.findIndex(savedParseDiagnostics, function (diagnostic) { return diagnostic.start >= prevStatement_1.pos; });
+                if (diagnosticStart >= 0) {
+                    ts.addRange(parseDiagnostics, savedParseDiagnostics, diagnosticStart);
+                }
+            }
+            syntaxCursor = savedSyntaxCursor;
+            return factory.updateSourceFile(sourceFile, ts.setTextRange(factory.createNodeArray(statements), sourceFile.statements));
+            function containsPossibleTopLevelAwait(node) {
+                return !(node.flags & 32768 /* NodeFlags.AwaitContext */)
+                    && !!(node.transformFlags & 16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */);
+            }
+            function findNextStatementWithAwait(statements, start) {
+                for (var i = start; i < statements.length; i++) {
+                    if (containsPossibleTopLevelAwait(statements[i])) {
+                        return i;
+                    }
+                }
+                return -1;
+            }
+            function findNextStatementWithoutAwait(statements, start) {
+                for (var i = start; i < statements.length; i++) {
+                    if (!containsPossibleTopLevelAwait(statements[i])) {
+                        return i;
+                    }
+                }
+                return -1;
+            }
+            function currentNode(position) {
+                var node = baseSyntaxCursor.currentNode(position);
+                if (topLevel && node && containsPossibleTopLevelAwait(node)) {
+                    node.intersectsChange = true;
+                }
+                return node;
+            }
+        }
+        function fixupParentReferences(rootNode) {
+            // normally parent references are set during binding. However, for clients that only need
+            // a syntax tree, and no semantic features, then the binding process is an unnecessary
+            // overhead.  This functions allows us to set all the parents, without all the expense of
+            // binding.
+            ts.setParentRecursive(rootNode, /*incremental*/ true);
+        }
+        Parser.fixupParentReferences = fixupParentReferences;
+        function createSourceFile(fileName, languageVersion, scriptKind, isDeclarationFile, statements, endOfFileToken, flags, setExternalModuleIndicator) {
+            // code from createNode is inlined here so createNode won't have to deal with special case of creating source files
+            // this is quite rare comparing to other nodes and createNode should be as fast as possible
+            var sourceFile = factory.createSourceFile(statements, endOfFileToken, flags);
+            ts.setTextRangePosWidth(sourceFile, 0, sourceText.length);
+            setFields(sourceFile);
+            // If we parsed this as an external module, it may contain top-level await
+            if (!isDeclarationFile && isExternalModule(sourceFile) && sourceFile.transformFlags & 16777216 /* TransformFlags.ContainsPossibleTopLevelAwait */) {
+                sourceFile = reparseTopLevelAwait(sourceFile);
+                setFields(sourceFile);
+            }
+            return sourceFile;
+            function setFields(sourceFile) {
+                sourceFile.text = sourceText;
+                sourceFile.bindDiagnostics = [];
+                sourceFile.bindSuggestionDiagnostics = undefined;
+                sourceFile.languageVersion = languageVersion;
+                sourceFile.fileName = fileName;
+                sourceFile.languageVariant = ts.getLanguageVariant(scriptKind);
+                sourceFile.isDeclarationFile = isDeclarationFile;
+                sourceFile.scriptKind = scriptKind;
+                setExternalModuleIndicator(sourceFile);
+                sourceFile.setExternalModuleIndicator = setExternalModuleIndicator;
+            }
+        }
+        function setContextFlag(val, flag) {
+            if (val) {
+                contextFlags |= flag;
+            }
+            else {
+                contextFlags &= ~flag;
+            }
+        }
+        function setDisallowInContext(val) {
+            setContextFlag(val, 4096 /* NodeFlags.DisallowInContext */);
+        }
+        function setYieldContext(val) {
+            setContextFlag(val, 8192 /* NodeFlags.YieldContext */);
+        }
+        function setDecoratorContext(val) {
+            setContextFlag(val, 16384 /* NodeFlags.DecoratorContext */);
+        }
+        function setAwaitContext(val) {
+            setContextFlag(val, 32768 /* NodeFlags.AwaitContext */);
+        }
+        function doOutsideOfContext(context, func) {
+            // contextFlagsToClear will contain only the context flags that are
+            // currently set that we need to temporarily clear
+            // We don't just blindly reset to the previous flags to ensure
+            // that we do not mutate cached flags for the incremental
+            // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and
+            // HasAggregatedChildData).
+            var contextFlagsToClear = context & contextFlags;
+            if (contextFlagsToClear) {
+                // clear the requested context flags
+                setContextFlag(/*val*/ false, contextFlagsToClear);
+                var result = func();
+                // restore the context flags we just cleared
+                setContextFlag(/*val*/ true, contextFlagsToClear);
+                return result;
+            }
+            // no need to do anything special as we are not in any of the requested contexts
+            return func();
+        }
+        function doInsideOfContext(context, func) {
+            // contextFlagsToSet will contain only the context flags that
+            // are not currently set that we need to temporarily enable.
+            // We don't just blindly reset to the previous flags to ensure
+            // that we do not mutate cached flags for the incremental
+            // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and
+            // HasAggregatedChildData).
+            var contextFlagsToSet = context & ~contextFlags;
+            if (contextFlagsToSet) {
+                // set the requested context flags
+                setContextFlag(/*val*/ true, contextFlagsToSet);
+                var result = func();
+                // reset the context flags we just set
+                setContextFlag(/*val*/ false, contextFlagsToSet);
+                return result;
+            }
+            // no need to do anything special as we are already in all of the requested contexts
+            return func();
+        }
+        function allowInAnd(func) {
+            return doOutsideOfContext(4096 /* NodeFlags.DisallowInContext */, func);
+        }
+        function disallowInAnd(func) {
+            return doInsideOfContext(4096 /* NodeFlags.DisallowInContext */, func);
+        }
+        function allowConditionalTypesAnd(func) {
+            return doOutsideOfContext(65536 /* NodeFlags.DisallowConditionalTypesContext */, func);
+        }
+        function disallowConditionalTypesAnd(func) {
+            return doInsideOfContext(65536 /* NodeFlags.DisallowConditionalTypesContext */, func);
+        }
+        function doInYieldContext(func) {
+            return doInsideOfContext(8192 /* NodeFlags.YieldContext */, func);
+        }
+        function doInDecoratorContext(func) {
+            return doInsideOfContext(16384 /* NodeFlags.DecoratorContext */, func);
+        }
+        function doInAwaitContext(func) {
+            return doInsideOfContext(32768 /* NodeFlags.AwaitContext */, func);
+        }
+        function doOutsideOfAwaitContext(func) {
+            return doOutsideOfContext(32768 /* NodeFlags.AwaitContext */, func);
+        }
+        function doInYieldAndAwaitContext(func) {
+            return doInsideOfContext(8192 /* NodeFlags.YieldContext */ | 32768 /* NodeFlags.AwaitContext */, func);
+        }
+        function doOutsideOfYieldAndAwaitContext(func) {
+            return doOutsideOfContext(8192 /* NodeFlags.YieldContext */ | 32768 /* NodeFlags.AwaitContext */, func);
+        }
+        function inContext(flags) {
+            return (contextFlags & flags) !== 0;
+        }
+        function inYieldContext() {
+            return inContext(8192 /* NodeFlags.YieldContext */);
+        }
+        function inDisallowInContext() {
+            return inContext(4096 /* NodeFlags.DisallowInContext */);
+        }
+        function inDisallowConditionalTypesContext() {
+            return inContext(65536 /* NodeFlags.DisallowConditionalTypesContext */);
+        }
+        function inDecoratorContext() {
+            return inContext(16384 /* NodeFlags.DecoratorContext */);
+        }
+        function inAwaitContext() {
+            return inContext(32768 /* NodeFlags.AwaitContext */);
+        }
+        function parseErrorAtCurrentToken(message, arg0) {
+            return parseErrorAt(scanner.getTokenPos(), scanner.getTextPos(), message, arg0);
+        }
+        function parseErrorAtPosition(start, length, message, arg0) {
+            // Don't report another error if it would just be at the same position as the last error.
+            var lastError = ts.lastOrUndefined(parseDiagnostics);
+            var result;
+            if (!lastError || start !== lastError.start) {
+                result = ts.createDetachedDiagnostic(fileName, start, length, message, arg0);
+                parseDiagnostics.push(result);
+            }
+            // Mark that we've encountered an error.  We'll set an appropriate bit on the next
+            // node we finish so that it can't be reused incrementally.
+            parseErrorBeforeNextFinishedNode = true;
+            return result;
+        }
+        function parseErrorAt(start, end, message, arg0) {
+            return parseErrorAtPosition(start, end - start, message, arg0);
+        }
+        function parseErrorAtRange(range, message, arg0) {
+            parseErrorAt(range.pos, range.end, message, arg0);
+        }
+        function scanError(message, length) {
+            parseErrorAtPosition(scanner.getTextPos(), length, message);
+        }
+        function getNodePos() {
+            return scanner.getStartPos();
+        }
+        function hasPrecedingJSDocComment() {
+            return scanner.hasPrecedingJSDocComment();
+        }
+        // Use this function to access the current token instead of reading the currentToken
+        // variable. Since function results aren't narrowed in control flow analysis, this ensures
+        // that the type checker doesn't make wrong assumptions about the type of the current
+        // token (e.g. a call to nextToken() changes the current token but the checker doesn't
+        // reason about this side effect).  Mainstream VMs inline simple functions like this, so
+        // there is no performance penalty.
+        function token() {
+            return currentToken;
+        }
+        function nextTokenWithoutCheck() {
+            return currentToken = scanner.scan();
+        }
+        function nextTokenAnd(func) {
+            nextToken();
+            return func();
+        }
+        function nextToken() {
+            // if the keyword had an escape
+            if (ts.isKeyword(currentToken) && (scanner.hasUnicodeEscape() || scanner.hasExtendedUnicodeEscape())) {
+                // issue a parse error for the escape
+                parseErrorAt(scanner.getTokenPos(), scanner.getTextPos(), ts.Diagnostics.Keywords_cannot_contain_escape_characters);
+            }
+            return nextTokenWithoutCheck();
+        }
+        function nextTokenJSDoc() {
+            return currentToken = scanner.scanJsDocToken();
+        }
+        function reScanGreaterToken() {
+            return currentToken = scanner.reScanGreaterToken();
+        }
+        function reScanSlashToken() {
+            return currentToken = scanner.reScanSlashToken();
+        }
+        function reScanTemplateToken(isTaggedTemplate) {
+            return currentToken = scanner.reScanTemplateToken(isTaggedTemplate);
+        }
+        function reScanTemplateHeadOrNoSubstitutionTemplate() {
+            return currentToken = scanner.reScanTemplateHeadOrNoSubstitutionTemplate();
+        }
+        function reScanLessThanToken() {
+            return currentToken = scanner.reScanLessThanToken();
+        }
+        function reScanHashToken() {
+            return currentToken = scanner.reScanHashToken();
+        }
+        function scanJsxIdentifier() {
+            return currentToken = scanner.scanJsxIdentifier();
+        }
+        function scanJsxText() {
+            return currentToken = scanner.scanJsxToken();
+        }
+        function scanJsxAttributeValue() {
+            return currentToken = scanner.scanJsxAttributeValue();
+        }
+        function speculationHelper(callback, speculationKind) {
+            // Keep track of the state we'll need to rollback to if lookahead fails (or if the
+            // caller asked us to always reset our state).
+            var saveToken = currentToken;
+            var saveParseDiagnosticsLength = parseDiagnostics.length;
+            var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
+            // Note: it is not actually necessary to save/restore the context flags here.  That's
+            // because the saving/restoring of these flags happens naturally through the recursive
+            // descent nature of our parser.  However, we still store this here just so we can
+            // assert that invariant holds.
+            var saveContextFlags = contextFlags;
+            // If we're only looking ahead, then tell the scanner to only lookahead as well.
+            // Otherwise, if we're actually speculatively parsing, then tell the scanner to do the
+            // same.
+            var result = speculationKind !== 0 /* SpeculationKind.TryParse */
+                ? scanner.lookAhead(callback)
+                : scanner.tryScan(callback);
+            ts.Debug.assert(saveContextFlags === contextFlags);
+            // If our callback returned something 'falsy' or we're just looking ahead,
+            // then unconditionally restore us to where we were.
+            if (!result || speculationKind !== 0 /* SpeculationKind.TryParse */) {
+                currentToken = saveToken;
+                if (speculationKind !== 2 /* SpeculationKind.Reparse */) {
+                    parseDiagnostics.length = saveParseDiagnosticsLength;
+                }
+                parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
+            }
+            return result;
+        }
+        /** Invokes the provided callback then unconditionally restores the parser to the state it
+         * was in immediately prior to invoking the callback.  The result of invoking the callback
+         * is returned from this function.
+         */
+        function lookAhead(callback) {
+            return speculationHelper(callback, 1 /* SpeculationKind.Lookahead */);
+        }
+        /** Invokes the provided callback.  If the callback returns something falsy, then it restores
+         * the parser to the state it was in immediately prior to invoking the callback.  If the
+         * callback returns something truthy, then the parser state is not rolled back.  The result
+         * of invoking the callback is returned from this function.
+         */
+        function tryParse(callback) {
+            return speculationHelper(callback, 0 /* SpeculationKind.TryParse */);
+        }
+        function isBindingIdentifier() {
+            if (token() === 79 /* SyntaxKind.Identifier */) {
+                return true;
+            }
+            // `let await`/`let yield` in [Yield] or [Await] are allowed here and disallowed in the binder.
+            return token() > 116 /* SyntaxKind.LastReservedWord */;
+        }
+        // Ignore strict mode flag because we will report an error in type checker instead.
+        function isIdentifier() {
+            if (token() === 79 /* SyntaxKind.Identifier */) {
+                return true;
+            }
+            // If we have a 'yield' keyword, and we're in the [yield] context, then 'yield' is
+            // considered a keyword and is not an identifier.
+            if (token() === 125 /* SyntaxKind.YieldKeyword */ && inYieldContext()) {
+                return false;
+            }
+            // If we have a 'await' keyword, and we're in the [Await] context, then 'await' is
+            // considered a keyword and is not an identifier.
+            if (token() === 132 /* SyntaxKind.AwaitKeyword */ && inAwaitContext()) {
+                return false;
+            }
+            return token() > 116 /* SyntaxKind.LastReservedWord */;
+        }
+        function parseExpected(kind, diagnosticMessage, shouldAdvance) {
+            if (shouldAdvance === void 0) { shouldAdvance = true; }
+            if (token() === kind) {
+                if (shouldAdvance) {
+                    nextToken();
+                }
+                return true;
+            }
+            // Report specific message if provided with one.  Otherwise, report generic fallback message.
+            if (diagnosticMessage) {
+                parseErrorAtCurrentToken(diagnosticMessage);
+            }
+            else {
+                parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
+            }
+            return false;
+        }
+        var viableKeywordSuggestions = Object.keys(ts.textToKeywordObj).filter(function (keyword) { return keyword.length > 2; });
+        /**
+         * Provides a better error message than the generic "';' expected" if possible for
+         * known common variants of a missing semicolon, such as from a mispelled names.
+         *
+         * @param node Node preceding the expected semicolon location.
+         */
+        function parseErrorForMissingSemicolonAfter(node) {
+            var _a;
+            // Tagged template literals are sometimes used in places where only simple strings are allowed, i.e.:
+            //   module `M1` {
+            //   ^^^^^^^^^^^ This block is parsed as a template literal like module`M1`.
+            if (ts.isTaggedTemplateExpression(node)) {
+                parseErrorAt(ts.skipTrivia(sourceText, node.template.pos), node.template.end, ts.Diagnostics.Module_declaration_names_may_only_use_or_quoted_strings);
+                return;
+            }
+            // Otherwise, if this isn't a well-known keyword-like identifier, give the generic fallback message.
+            var expressionText = ts.isIdentifier(node) ? ts.idText(node) : undefined;
+            if (!expressionText || !ts.isIdentifierText(expressionText, languageVersion)) {
+                parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(26 /* SyntaxKind.SemicolonToken */));
+                return;
+            }
+            var pos = ts.skipTrivia(sourceText, node.pos);
+            // Some known keywords are likely signs of syntax being used improperly.
+            switch (expressionText) {
+                case "const":
+                case "let":
+                case "var":
+                    parseErrorAt(pos, node.end, ts.Diagnostics.Variable_declaration_not_allowed_at_this_location);
+                    return;
+                case "declare":
+                    // If a declared node failed to parse, it would have emitted a diagnostic already.
+                    return;
+                case "interface":
+                    parseErrorForInvalidName(ts.Diagnostics.Interface_name_cannot_be_0, ts.Diagnostics.Interface_must_be_given_a_name, 18 /* SyntaxKind.OpenBraceToken */);
+                    return;
+                case "is":
+                    parseErrorAt(pos, scanner.getTextPos(), ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods);
+                    return;
+                case "module":
+                case "namespace":
+                    parseErrorForInvalidName(ts.Diagnostics.Namespace_name_cannot_be_0, ts.Diagnostics.Namespace_must_be_given_a_name, 18 /* SyntaxKind.OpenBraceToken */);
+                    return;
+                case "type":
+                    parseErrorForInvalidName(ts.Diagnostics.Type_alias_name_cannot_be_0, ts.Diagnostics.Type_alias_must_be_given_a_name, 63 /* SyntaxKind.EqualsToken */);
+                    return;
+            }
+            // The user alternatively might have misspelled or forgotten to add a space after a common keyword.
+            var suggestion = (_a = ts.getSpellingSuggestion(expressionText, viableKeywordSuggestions, function (n) { return n; })) !== null && _a !== void 0 ? _a : getSpaceSuggestion(expressionText);
+            if (suggestion) {
+                parseErrorAt(pos, node.end, ts.Diagnostics.Unknown_keyword_or_identifier_Did_you_mean_0, suggestion);
+                return;
+            }
+            // Unknown tokens are handled with their own errors in the scanner
+            if (token() === 0 /* SyntaxKind.Unknown */) {
+                return;
+            }
+            // Otherwise, we know this some kind of unknown word, not just a missing expected semicolon.
+            parseErrorAt(pos, node.end, ts.Diagnostics.Unexpected_keyword_or_identifier);
+        }
+        /**
+         * Reports a diagnostic error for the current token being an invalid name.
+         *
+         * @param blankDiagnostic Diagnostic to report for the case of the name being blank (matched tokenIfBlankName).
+         * @param nameDiagnostic Diagnostic to report for all other cases.
+         * @param tokenIfBlankName Current token if the name was invalid for being blank (not provided / skipped).
+         */
+        function parseErrorForInvalidName(nameDiagnostic, blankDiagnostic, tokenIfBlankName) {
+            if (token() === tokenIfBlankName) {
+                parseErrorAtCurrentToken(blankDiagnostic);
+            }
+            else {
+                parseErrorAtCurrentToken(nameDiagnostic, scanner.getTokenValue());
+            }
+        }
+        function getSpaceSuggestion(expressionText) {
+            for (var _i = 0, viableKeywordSuggestions_1 = viableKeywordSuggestions; _i < viableKeywordSuggestions_1.length; _i++) {
+                var keyword = viableKeywordSuggestions_1[_i];
+                if (expressionText.length > keyword.length + 2 && ts.startsWith(expressionText, keyword)) {
+                    return "".concat(keyword, " ").concat(expressionText.slice(keyword.length));
+                }
+            }
+            return undefined;
+        }
+        function parseSemicolonAfterPropertyName(name, type, initializer) {
+            if (token() === 59 /* SyntaxKind.AtToken */ && !scanner.hasPrecedingLineBreak()) {
+                parseErrorAtCurrentToken(ts.Diagnostics.Decorators_must_precede_the_name_and_all_keywords_of_property_declarations);
+                return;
+            }
+            if (token() === 20 /* SyntaxKind.OpenParenToken */) {
+                parseErrorAtCurrentToken(ts.Diagnostics.Cannot_start_a_function_call_in_a_type_annotation);
+                nextToken();
+                return;
+            }
+            if (type && !canParseSemicolon()) {
+                if (initializer) {
+                    parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(26 /* SyntaxKind.SemicolonToken */));
+                }
+                else {
+                    parseErrorAtCurrentToken(ts.Diagnostics.Expected_for_property_initializer);
+                }
+                return;
+            }
+            if (tryParseSemicolon()) {
+                return;
+            }
+            if (initializer) {
+                parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(26 /* SyntaxKind.SemicolonToken */));
+                return;
+            }
+            parseErrorForMissingSemicolonAfter(name);
+        }
+        function parseExpectedJSDoc(kind) {
+            if (token() === kind) {
+                nextTokenJSDoc();
+                return true;
+            }
+            parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
+            return false;
+        }
+        function parseExpectedMatchingBrackets(openKind, closeKind, openParsed, openPosition) {
+            if (token() === closeKind) {
+                nextToken();
+                return;
+            }
+            var lastError = parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(closeKind));
+            if (!openParsed) {
+                return;
+            }
+            if (lastError) {
+                ts.addRelatedInfo(lastError, ts.createDetachedDiagnostic(fileName, openPosition, 1, ts.Diagnostics.The_parser_expected_to_find_a_1_to_match_the_0_token_here, ts.tokenToString(openKind), ts.tokenToString(closeKind)));
+            }
+        }
+        function parseOptional(t) {
+            if (token() === t) {
+                nextToken();
+                return true;
+            }
+            return false;
+        }
+        function parseOptionalToken(t) {
+            if (token() === t) {
+                return parseTokenNode();
+            }
+            return undefined;
+        }
+        function parseOptionalTokenJSDoc(t) {
+            if (token() === t) {
+                return parseTokenNodeJSDoc();
+            }
+            return undefined;
+        }
+        function parseExpectedToken(t, diagnosticMessage, arg0) {
+            return parseOptionalToken(t) ||
+                createMissingNode(t, /*reportAtCurrentPosition*/ false, diagnosticMessage || ts.Diagnostics._0_expected, arg0 || ts.tokenToString(t));
+        }
+        function parseExpectedTokenJSDoc(t) {
+            return parseOptionalTokenJSDoc(t) ||
+                createMissingNode(t, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(t));
+        }
+        function parseTokenNode() {
+            var pos = getNodePos();
+            var kind = token();
+            nextToken();
+            return finishNode(factory.createToken(kind), pos);
+        }
+        function parseTokenNodeJSDoc() {
+            var pos = getNodePos();
+            var kind = token();
+            nextTokenJSDoc();
+            return finishNode(factory.createToken(kind), pos);
+        }
+        function canParseSemicolon() {
+            // If there's a real semicolon, then we can always parse it out.
+            if (token() === 26 /* SyntaxKind.SemicolonToken */) {
+                return true;
+            }
+            // We can parse out an optional semicolon in ASI cases in the following cases.
+            return token() === 19 /* SyntaxKind.CloseBraceToken */ || token() === 1 /* SyntaxKind.EndOfFileToken */ || scanner.hasPrecedingLineBreak();
+        }
+        function tryParseSemicolon() {
+            if (!canParseSemicolon()) {
+                return false;
+            }
+            if (token() === 26 /* SyntaxKind.SemicolonToken */) {
+                // consume the semicolon if it was explicitly provided.
+                nextToken();
+            }
+            return true;
+        }
+        function parseSemicolon() {
+            return tryParseSemicolon() || parseExpected(26 /* SyntaxKind.SemicolonToken */);
+        }
+        function createNodeArray(elements, pos, end, hasTrailingComma) {
+            var array = factory.createNodeArray(elements, hasTrailingComma);
+            ts.setTextRangePosEnd(array, pos, end !== null && end !== void 0 ? end : scanner.getStartPos());
+            return array;
+        }
+        function finishNode(node, pos, end) {
+            ts.setTextRangePosEnd(node, pos, end !== null && end !== void 0 ? end : scanner.getStartPos());
+            if (contextFlags) {
+                node.flags |= contextFlags;
+            }
+            // Keep track on the node if we encountered an error while parsing it.  If we did, then
+            // we cannot reuse the node incrementally.  Once we've marked this node, clear out the
+            // flag so that we don't mark any subsequent nodes.
+            if (parseErrorBeforeNextFinishedNode) {
+                parseErrorBeforeNextFinishedNode = false;
+                node.flags |= 131072 /* NodeFlags.ThisNodeHasError */;
+            }
+            return node;
+        }
+        function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) {
+            if (reportAtCurrentPosition) {
+                parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0);
+            }
+            else if (diagnosticMessage) {
+                parseErrorAtCurrentToken(diagnosticMessage, arg0);
+            }
+            var pos = getNodePos();
+            var result = kind === 79 /* SyntaxKind.Identifier */ ? factory.createIdentifier("", /*typeArguments*/ undefined, /*originalKeywordKind*/ undefined) :
+                ts.isTemplateLiteralKind(kind) ? factory.createTemplateLiteralLikeNode(kind, "", "", /*templateFlags*/ undefined) :
+                    kind === 8 /* SyntaxKind.NumericLiteral */ ? factory.createNumericLiteral("", /*numericLiteralFlags*/ undefined) :
+                        kind === 10 /* SyntaxKind.StringLiteral */ ? factory.createStringLiteral("", /*isSingleQuote*/ undefined) :
+                            kind === 276 /* SyntaxKind.MissingDeclaration */ ? factory.createMissingDeclaration() :
+                                factory.createToken(kind);
+            return finishNode(result, pos);
+        }
+        function internIdentifier(text) {
+            var identifier = identifiers.get(text);
+            if (identifier === undefined) {
+                identifiers.set(text, identifier = text);
+            }
+            return identifier;
+        }
+        // An identifier that starts with two underscores has an extra underscore character prepended to it to avoid issues
+        // with magic property names like '__proto__'. The 'identifiers' object is used to share a single string instance for
+        // each identifier in order to reduce memory consumption.
+        function createIdentifier(isIdentifier, diagnosticMessage, privateIdentifierDiagnosticMessage) {
+            if (isIdentifier) {
+                identifierCount++;
+                var pos = getNodePos();
+                // Store original token kind if it is not just an Identifier so we can report appropriate error later in type checker
+                var originalKeywordKind = token();
+                var text = internIdentifier(scanner.getTokenValue());
+                nextTokenWithoutCheck();
+                return finishNode(factory.createIdentifier(text, /*typeArguments*/ undefined, originalKeywordKind), pos);
+            }
+            if (token() === 80 /* SyntaxKind.PrivateIdentifier */) {
+                parseErrorAtCurrentToken(privateIdentifierDiagnosticMessage || ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies);
+                return createIdentifier(/*isIdentifier*/ true);
+            }
+            if (token() === 0 /* SyntaxKind.Unknown */ && scanner.tryScan(function () { return scanner.reScanInvalidIdentifier() === 79 /* SyntaxKind.Identifier */; })) {
+                // Scanner has already recorded an 'Invalid character' error, so no need to add another from the parser.
+                return createIdentifier(/*isIdentifier*/ true);
+            }
+            identifierCount++;
+            // Only for end of file because the error gets reported incorrectly on embedded script tags.
+            var reportAtCurrentPosition = token() === 1 /* SyntaxKind.EndOfFileToken */;
+            var isReservedWord = scanner.isReservedWord();
+            var msgArg = scanner.getTokenText();
+            var defaultMessage = isReservedWord ?
+                ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here :
+                ts.Diagnostics.Identifier_expected;
+            return createMissingNode(79 /* SyntaxKind.Identifier */, reportAtCurrentPosition, diagnosticMessage || defaultMessage, msgArg);
+        }
+        function parseBindingIdentifier(privateIdentifierDiagnosticMessage) {
+            return createIdentifier(isBindingIdentifier(), /*diagnosticMessage*/ undefined, privateIdentifierDiagnosticMessage);
+        }
+        function parseIdentifier(diagnosticMessage, privateIdentifierDiagnosticMessage) {
+            return createIdentifier(isIdentifier(), diagnosticMessage, privateIdentifierDiagnosticMessage);
+        }
+        function parseIdentifierName(diagnosticMessage) {
+            return createIdentifier(ts.tokenIsIdentifierOrKeyword(token()), diagnosticMessage);
+        }
+        function isLiteralPropertyName() {
+            return ts.tokenIsIdentifierOrKeyword(token()) ||
+                token() === 10 /* SyntaxKind.StringLiteral */ ||
+                token() === 8 /* SyntaxKind.NumericLiteral */;
+        }
+        function isAssertionKey() {
+            return ts.tokenIsIdentifierOrKeyword(token()) ||
+                token() === 10 /* SyntaxKind.StringLiteral */;
+        }
+        function parsePropertyNameWorker(allowComputedPropertyNames) {
+            if (token() === 10 /* SyntaxKind.StringLiteral */ || token() === 8 /* SyntaxKind.NumericLiteral */) {
+                var node = parseLiteralNode();
+                node.text = internIdentifier(node.text);
+                return node;
+            }
+            if (allowComputedPropertyNames && token() === 22 /* SyntaxKind.OpenBracketToken */) {
+                return parseComputedPropertyName();
+            }
+            if (token() === 80 /* SyntaxKind.PrivateIdentifier */) {
+                return parsePrivateIdentifier();
+            }
+            return parseIdentifierName();
+        }
+        function parsePropertyName() {
+            return parsePropertyNameWorker(/*allowComputedPropertyNames*/ true);
+        }
+        function parseComputedPropertyName() {
+            // PropertyName [Yield]:
+            //      LiteralPropertyName
+            //      ComputedPropertyName[?Yield]
+            var pos = getNodePos();
+            parseExpected(22 /* SyntaxKind.OpenBracketToken */);
+            // We parse any expression (including a comma expression). But the grammar
+            // says that only an assignment expression is allowed, so the grammar checker
+            // will error if it sees a comma expression.
+            var expression = allowInAnd(parseExpression);
+            parseExpected(23 /* SyntaxKind.CloseBracketToken */);
+            return finishNode(factory.createComputedPropertyName(expression), pos);
+        }
+        function internPrivateIdentifier(text) {
+            var privateIdentifier = privateIdentifiers.get(text);
+            if (privateIdentifier === undefined) {
+                privateIdentifiers.set(text, privateIdentifier = text);
+            }
+            return privateIdentifier;
+        }
+        function parsePrivateIdentifier() {
+            var pos = getNodePos();
+            var node = factory.createPrivateIdentifier(internPrivateIdentifier(scanner.getTokenText()));
+            nextToken();
+            return finishNode(node, pos);
+        }
+        function parseContextualModifier(t) {
+            return token() === t && tryParse(nextTokenCanFollowModifier);
+        }
+        function nextTokenIsOnSameLineAndCanFollowModifier() {
+            nextToken();
+            if (scanner.hasPrecedingLineBreak()) {
+                return false;
+            }
+            return canFollowModifier();
+        }
+        function nextTokenCanFollowModifier() {
+            switch (token()) {
+                case 85 /* SyntaxKind.ConstKeyword */:
+                    // 'const' is only a modifier if followed by 'enum'.
+                    return nextToken() === 92 /* SyntaxKind.EnumKeyword */;
+                case 93 /* SyntaxKind.ExportKeyword */:
+                    nextToken();
+                    if (token() === 88 /* SyntaxKind.DefaultKeyword */) {
+                        return lookAhead(nextTokenCanFollowDefaultKeyword);
+                    }
+                    if (token() === 152 /* SyntaxKind.TypeKeyword */) {
+                        return lookAhead(nextTokenCanFollowExportModifier);
+                    }
+                    return canFollowExportModifier();
+                case 88 /* SyntaxKind.DefaultKeyword */:
+                    return nextTokenCanFollowDefaultKeyword();
+                case 124 /* SyntaxKind.StaticKeyword */:
+                case 136 /* SyntaxKind.GetKeyword */:
+                case 149 /* SyntaxKind.SetKeyword */:
+                    nextToken();
+                    return canFollowModifier();
+                default:
+                    return nextTokenIsOnSameLineAndCanFollowModifier();
+            }
+        }
+        function canFollowExportModifier() {
+            return token() !== 41 /* SyntaxKind.AsteriskToken */
+                && token() !== 127 /* SyntaxKind.AsKeyword */
+                && token() !== 18 /* SyntaxKind.OpenBraceToken */
+                && canFollowModifier();
+        }
+        function nextTokenCanFollowExportModifier() {
+            nextToken();
+            return canFollowExportModifier();
+        }
+        function parseAnyContextualModifier() {
+            return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier);
+        }
+        function canFollowModifier() {
+            return token() === 22 /* SyntaxKind.OpenBracketToken */
+                || token() === 18 /* SyntaxKind.OpenBraceToken */
+                || token() === 41 /* SyntaxKind.AsteriskToken */
+                || token() === 25 /* SyntaxKind.DotDotDotToken */
+                || isLiteralPropertyName();
+        }
+        function nextTokenCanFollowDefaultKeyword() {
+            nextToken();
+            return token() === 84 /* SyntaxKind.ClassKeyword */ || token() === 98 /* SyntaxKind.FunctionKeyword */ ||
+                token() === 118 /* SyntaxKind.InterfaceKeyword */ ||
+                (token() === 126 /* SyntaxKind.AbstractKeyword */ && lookAhead(nextTokenIsClassKeywordOnSameLine)) ||
+                (token() === 131 /* SyntaxKind.AsyncKeyword */ && lookAhead(nextTokenIsFunctionKeywordOnSameLine));
+        }
+        // True if positioned at the start of a list element
+        function isListElement(parsingContext, inErrorRecovery) {
+            var node = currentNode(parsingContext);
+            if (node) {
+                return true;
+            }
+            switch (parsingContext) {
+                case 0 /* ParsingContext.SourceElements */:
+                case 1 /* ParsingContext.BlockStatements */:
+                case 3 /* ParsingContext.SwitchClauseStatements */:
+                    // If we're in error recovery, then we don't want to treat ';' as an empty statement.
+                    // The problem is that ';' can show up in far too many contexts, and if we see one
+                    // and assume it's a statement, then we may bail out inappropriately from whatever
+                    // we're parsing.  For example, if we have a semicolon in the middle of a class, then
+                    // we really don't want to assume the class is over and we're on a statement in the
+                    // outer module.  We just want to consume and move on.
+                    return !(token() === 26 /* SyntaxKind.SemicolonToken */ && inErrorRecovery) && isStartOfStatement();
+                case 2 /* ParsingContext.SwitchClauses */:
+                    return token() === 82 /* SyntaxKind.CaseKeyword */ || token() === 88 /* SyntaxKind.DefaultKeyword */;
+                case 4 /* ParsingContext.TypeMembers */:
+                    return lookAhead(isTypeMemberStart);
+                case 5 /* ParsingContext.ClassMembers */:
+                    // We allow semicolons as class elements (as specified by ES6) as long as we're
+                    // not in error recovery.  If we're in error recovery, we don't want an errant
+                    // semicolon to be treated as a class member (since they're almost always used
+                    // for statements.
+                    return lookAhead(isClassMemberStart) || (token() === 26 /* SyntaxKind.SemicolonToken */ && !inErrorRecovery);
+                case 6 /* ParsingContext.EnumMembers */:
+                    // Include open bracket computed properties. This technically also lets in indexers,
+                    // which would be a candidate for improved error reporting.
+                    return token() === 22 /* SyntaxKind.OpenBracketToken */ || isLiteralPropertyName();
+                case 12 /* ParsingContext.ObjectLiteralMembers */:
+                    switch (token()) {
+                        case 22 /* SyntaxKind.OpenBracketToken */:
+                        case 41 /* SyntaxKind.AsteriskToken */:
+                        case 25 /* SyntaxKind.DotDotDotToken */:
+                        case 24 /* SyntaxKind.DotToken */: // Not an object literal member, but don't want to close the object (see `tests/cases/fourslash/completionsDotInObjectLiteral.ts`)
+                            return true;
+                        default:
+                            return isLiteralPropertyName();
+                    }
+                case 18 /* ParsingContext.RestProperties */:
+                    return isLiteralPropertyName();
+                case 9 /* ParsingContext.ObjectBindingElements */:
+                    return token() === 22 /* SyntaxKind.OpenBracketToken */ || token() === 25 /* SyntaxKind.DotDotDotToken */ || isLiteralPropertyName();
+                case 24 /* ParsingContext.AssertEntries */:
+                    return isAssertionKey();
+                case 7 /* ParsingContext.HeritageClauseElement */:
+                    // If we see `{ ... }` then only consume it as an expression if it is followed by `,` or `{`
+                    // That way we won't consume the body of a class in its heritage clause.
+                    if (token() === 18 /* SyntaxKind.OpenBraceToken */) {
+                        return lookAhead(isValidHeritageClauseObjectLiteral);
+                    }
+                    if (!inErrorRecovery) {
+                        return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword();
+                    }
+                    else {
+                        // If we're in error recovery we tighten up what we're willing to match.
+                        // That way we don't treat something like "this" as a valid heritage clause
+                        // element during recovery.
+                        return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword();
+                    }
+                case 8 /* ParsingContext.VariableDeclarations */:
+                    return isBindingIdentifierOrPrivateIdentifierOrPattern();
+                case 10 /* ParsingContext.ArrayBindingElements */:
+                    return token() === 27 /* SyntaxKind.CommaToken */ || token() === 25 /* SyntaxKind.DotDotDotToken */ || isBindingIdentifierOrPrivateIdentifierOrPattern();
+                case 19 /* ParsingContext.TypeParameters */:
+                    return token() === 101 /* SyntaxKind.InKeyword */ || isIdentifier();
+                case 15 /* ParsingContext.ArrayLiteralMembers */:
+                    switch (token()) {
+                        case 27 /* SyntaxKind.CommaToken */:
+                        case 24 /* SyntaxKind.DotToken */: // Not an array literal member, but don't want to close the array (see `tests/cases/fourslash/completionsDotInArrayLiteralInObjectLiteral.ts`)
+                            return true;
+                    }
+                // falls through
+                case 11 /* ParsingContext.ArgumentExpressions */:
+                    return token() === 25 /* SyntaxKind.DotDotDotToken */ || isStartOfExpression();
+                case 16 /* ParsingContext.Parameters */:
+                    return isStartOfParameter(/*isJSDocParameter*/ false);
+                case 17 /* ParsingContext.JSDocParameters */:
+                    return isStartOfParameter(/*isJSDocParameter*/ true);
+                case 20 /* ParsingContext.TypeArguments */:
+                case 21 /* ParsingContext.TupleElementTypes */:
+                    return token() === 27 /* SyntaxKind.CommaToken */ || isStartOfType();
+                case 22 /* ParsingContext.HeritageClauses */:
+                    return isHeritageClause();
+                case 23 /* ParsingContext.ImportOrExportSpecifiers */:
+                    return ts.tokenIsIdentifierOrKeyword(token());
+                case 13 /* ParsingContext.JsxAttributes */:
+                    return ts.tokenIsIdentifierOrKeyword(token()) || token() === 18 /* SyntaxKind.OpenBraceToken */;
+                case 14 /* ParsingContext.JsxChildren */:
+                    return true;
+            }
+            return ts.Debug.fail("Non-exhaustive case in 'isListElement'.");
+        }
+        function isValidHeritageClauseObjectLiteral() {
+            ts.Debug.assert(token() === 18 /* SyntaxKind.OpenBraceToken */);
+            if (nextToken() === 19 /* SyntaxKind.CloseBraceToken */) {
+                // if we see "extends {}" then only treat the {} as what we're extending (and not
+                // the class body) if we have:
+                //
+                //      extends {} {
+                //      extends {},
+                //      extends {} extends
+                //      extends {} implements
+                var next = nextToken();
+                return next === 27 /* SyntaxKind.CommaToken */ || next === 18 /* SyntaxKind.OpenBraceToken */ || next === 94 /* SyntaxKind.ExtendsKeyword */ || next === 117 /* SyntaxKind.ImplementsKeyword */;
+            }
+            return true;
+        }
+        function nextTokenIsIdentifier() {
+            nextToken();
+            return isIdentifier();
+        }
+        function nextTokenIsIdentifierOrKeyword() {
+            nextToken();
+            return ts.tokenIsIdentifierOrKeyword(token());
+        }
+        function nextTokenIsIdentifierOrKeywordOrGreaterThan() {
+            nextToken();
+            return ts.tokenIsIdentifierOrKeywordOrGreaterThan(token());
+        }
+        function isHeritageClauseExtendsOrImplementsKeyword() {
+            if (token() === 117 /* SyntaxKind.ImplementsKeyword */ ||
+                token() === 94 /* SyntaxKind.ExtendsKeyword */) {
+                return lookAhead(nextTokenIsStartOfExpression);
+            }
+            return false;
+        }
+        function nextTokenIsStartOfExpression() {
+            nextToken();
+            return isStartOfExpression();
+        }
+        function nextTokenIsStartOfType() {
+            nextToken();
+            return isStartOfType();
+        }
+        // True if positioned at a list terminator
+        function isListTerminator(kind) {
+            if (token() === 1 /* SyntaxKind.EndOfFileToken */) {
+                // Being at the end of the file ends all lists.
+                return true;
+            }
+            switch (kind) {
+                case 1 /* ParsingContext.BlockStatements */:
+                case 2 /* ParsingContext.SwitchClauses */:
+                case 4 /* ParsingContext.TypeMembers */:
+                case 5 /* ParsingContext.ClassMembers */:
+                case 6 /* ParsingContext.EnumMembers */:
+                case 12 /* ParsingContext.ObjectLiteralMembers */:
+                case 9 /* ParsingContext.ObjectBindingElements */:
+                case 23 /* ParsingContext.ImportOrExportSpecifiers */:
+                case 24 /* ParsingContext.AssertEntries */:
+                    return token() === 19 /* SyntaxKind.CloseBraceToken */;
+                case 3 /* ParsingContext.SwitchClauseStatements */:
+                    return token() === 19 /* SyntaxKind.CloseBraceToken */ || token() === 82 /* SyntaxKind.CaseKeyword */ || token() === 88 /* SyntaxKind.DefaultKeyword */;
+                case 7 /* ParsingContext.HeritageClauseElement */:
+                    return token() === 18 /* SyntaxKind.OpenBraceToken */ || token() === 94 /* SyntaxKind.ExtendsKeyword */ || token() === 117 /* SyntaxKind.ImplementsKeyword */;
+                case 8 /* ParsingContext.VariableDeclarations */:
+                    return isVariableDeclaratorListTerminator();
+                case 19 /* ParsingContext.TypeParameters */:
+                    // Tokens other than '>' are here for better error recovery
+                    return token() === 31 /* SyntaxKind.GreaterThanToken */ || token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 18 /* SyntaxKind.OpenBraceToken */ || token() === 94 /* SyntaxKind.ExtendsKeyword */ || token() === 117 /* SyntaxKind.ImplementsKeyword */;
+                case 11 /* ParsingContext.ArgumentExpressions */:
+                    // Tokens other than ')' are here for better error recovery
+                    return token() === 21 /* SyntaxKind.CloseParenToken */ || token() === 26 /* SyntaxKind.SemicolonToken */;
+                case 15 /* ParsingContext.ArrayLiteralMembers */:
+                case 21 /* ParsingContext.TupleElementTypes */:
+                case 10 /* ParsingContext.ArrayBindingElements */:
+                    return token() === 23 /* SyntaxKind.CloseBracketToken */;
+                case 17 /* ParsingContext.JSDocParameters */:
+                case 16 /* ParsingContext.Parameters */:
+                case 18 /* ParsingContext.RestProperties */:
+                    // Tokens other than ')' and ']' (the latter for index signatures) are here for better error recovery
+                    return token() === 21 /* SyntaxKind.CloseParenToken */ || token() === 23 /* SyntaxKind.CloseBracketToken */ /*|| token === SyntaxKind.OpenBraceToken*/;
+                case 20 /* ParsingContext.TypeArguments */:
+                    // All other tokens should cause the type-argument to terminate except comma token
+                    return token() !== 27 /* SyntaxKind.CommaToken */;
+                case 22 /* ParsingContext.HeritageClauses */:
+                    return token() === 18 /* SyntaxKind.OpenBraceToken */ || token() === 19 /* SyntaxKind.CloseBraceToken */;
+                case 13 /* ParsingContext.JsxAttributes */:
+                    return token() === 31 /* SyntaxKind.GreaterThanToken */ || token() === 43 /* SyntaxKind.SlashToken */;
+                case 14 /* ParsingContext.JsxChildren */:
+                    return token() === 29 /* SyntaxKind.LessThanToken */ && lookAhead(nextTokenIsSlash);
+                default:
+                    return false;
+            }
+        }
+        function isVariableDeclaratorListTerminator() {
+            // If we can consume a semicolon (either explicitly, or with ASI), then consider us done
+            // with parsing the list of variable declarators.
+            if (canParseSemicolon()) {
+                return true;
+            }
+            // in the case where we're parsing the variable declarator of a 'for-in' statement, we
+            // are done if we see an 'in' keyword in front of us. Same with for-of
+            if (isInOrOfKeyword(token())) {
+                return true;
+            }
+            // ERROR RECOVERY TWEAK:
+            // For better error recovery, if we see an '=>' then we just stop immediately.  We've got an
+            // arrow function here and it's going to be very unlikely that we'll resynchronize and get
+            // another variable declaration.
+            if (token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                return true;
+            }
+            // Keep trying to parse out variable declarators.
+            return false;
+        }
+        // True if positioned at element or terminator of the current list or any enclosing list
+        function isInSomeParsingContext() {
+            for (var kind = 0; kind < 25 /* ParsingContext.Count */; kind++) {
+                if (parsingContext & (1 << kind)) {
+                    if (isListElement(kind, /*inErrorRecovery*/ true) || isListTerminator(kind)) {
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+        // Parses a list of elements
+        function parseList(kind, parseElement) {
+            var saveParsingContext = parsingContext;
+            parsingContext |= 1 << kind;
+            var list = [];
+            var listPos = getNodePos();
+            while (!isListTerminator(kind)) {
+                if (isListElement(kind, /*inErrorRecovery*/ false)) {
+                    list.push(parseListElement(kind, parseElement));
+                    continue;
+                }
+                if (abortParsingListOrMoveToNextToken(kind)) {
+                    break;
+                }
+            }
+            parsingContext = saveParsingContext;
+            return createNodeArray(list, listPos);
+        }
+        function parseListElement(parsingContext, parseElement) {
+            var node = currentNode(parsingContext);
+            if (node) {
+                return consumeNode(node);
+            }
+            return parseElement();
+        }
+        function currentNode(parsingContext) {
+            // If we don't have a cursor or the parsing context isn't reusable, there's nothing to reuse.
+            //
+            // If there is an outstanding parse error that we've encountered, but not attached to
+            // some node, then we cannot get a node from the old source tree.  This is because we
+            // want to mark the next node we encounter as being unusable.
+            //
+            // Note: This may be too conservative.  Perhaps we could reuse the node and set the bit
+            // on it (or its leftmost child) as having the error.  For now though, being conservative
+            // is nice and likely won't ever affect perf.
+            if (!syntaxCursor || !isReusableParsingContext(parsingContext) || parseErrorBeforeNextFinishedNode) {
+                return undefined;
+            }
+            var node = syntaxCursor.currentNode(scanner.getStartPos());
+            // Can't reuse a missing node.
+            // Can't reuse a node that intersected the change range.
+            // Can't reuse a node that contains a parse error.  This is necessary so that we
+            // produce the same set of errors again.
+            if (ts.nodeIsMissing(node) || node.intersectsChange || ts.containsParseError(node)) {
+                return undefined;
+            }
+            // We can only reuse a node if it was parsed under the same strict mode that we're
+            // currently in.  i.e. if we originally parsed a node in non-strict mode, but then
+            // the user added 'using strict' at the top of the file, then we can't use that node
+            // again as the presence of strict mode may cause us to parse the tokens in the file
+            // differently.
+            //
+            // Note: we *can* reuse tokens when the strict mode changes.  That's because tokens
+            // are unaffected by strict mode.  It's just the parser will decide what to do with it
+            // differently depending on what mode it is in.
+            //
+            // This also applies to all our other context flags as well.
+            var nodeContextFlags = node.flags & 50720768 /* NodeFlags.ContextFlags */;
+            if (nodeContextFlags !== contextFlags) {
+                return undefined;
+            }
+            // Ok, we have a node that looks like it could be reused.  Now verify that it is valid
+            // in the current list parsing context that we're currently at.
+            if (!canReuseNode(node, parsingContext)) {
+                return undefined;
+            }
+            if (node.jsDocCache) {
+                // jsDocCache may include tags from parent nodes, which might have been modified.
+                node.jsDocCache = undefined;
+            }
+            return node;
+        }
+        function consumeNode(node) {
+            // Move the scanner so it is after the node we just consumed.
+            scanner.setTextPos(node.end);
+            nextToken();
+            return node;
+        }
+        function isReusableParsingContext(parsingContext) {
+            switch (parsingContext) {
+                case 5 /* ParsingContext.ClassMembers */:
+                case 2 /* ParsingContext.SwitchClauses */:
+                case 0 /* ParsingContext.SourceElements */:
+                case 1 /* ParsingContext.BlockStatements */:
+                case 3 /* ParsingContext.SwitchClauseStatements */:
+                case 6 /* ParsingContext.EnumMembers */:
+                case 4 /* ParsingContext.TypeMembers */:
+                case 8 /* ParsingContext.VariableDeclarations */:
+                case 17 /* ParsingContext.JSDocParameters */:
+                case 16 /* ParsingContext.Parameters */:
+                    return true;
+            }
+            return false;
+        }
+        function canReuseNode(node, parsingContext) {
+            switch (parsingContext) {
+                case 5 /* ParsingContext.ClassMembers */:
+                    return isReusableClassMember(node);
+                case 2 /* ParsingContext.SwitchClauses */:
+                    return isReusableSwitchClause(node);
+                case 0 /* ParsingContext.SourceElements */:
+                case 1 /* ParsingContext.BlockStatements */:
+                case 3 /* ParsingContext.SwitchClauseStatements */:
+                    return isReusableStatement(node);
+                case 6 /* ParsingContext.EnumMembers */:
+                    return isReusableEnumMember(node);
+                case 4 /* ParsingContext.TypeMembers */:
+                    return isReusableTypeMember(node);
+                case 8 /* ParsingContext.VariableDeclarations */:
+                    return isReusableVariableDeclaration(node);
+                case 17 /* ParsingContext.JSDocParameters */:
+                case 16 /* ParsingContext.Parameters */:
+                    return isReusableParameter(node);
+                // Any other lists we do not care about reusing nodes in.  But feel free to add if
+                // you can do so safely.  Danger areas involve nodes that may involve speculative
+                // parsing.  If speculative parsing is involved with the node, then the range the
+                // parser reached while looking ahead might be in the edited range (see the example
+                // in canReuseVariableDeclaratorNode for a good case of this).
+                // case ParsingContext.HeritageClauses:
+                // This would probably be safe to reuse.  There is no speculative parsing with
+                // heritage clauses.
+                // case ParsingContext.TypeParameters:
+                // This would probably be safe to reuse.  There is no speculative parsing with
+                // type parameters.  Note that that's because type *parameters* only occur in
+                // unambiguous *type* contexts.  While type *arguments* occur in very ambiguous
+                // *expression* contexts.
+                // case ParsingContext.TupleElementTypes:
+                // This would probably be safe to reuse.  There is no speculative parsing with
+                // tuple types.
+                // Technically, type argument list types are probably safe to reuse.  While
+                // speculative parsing is involved with them (since type argument lists are only
+                // produced from speculative parsing a < as a type argument list), we only have
+                // the types because speculative parsing succeeded.  Thus, the lookahead never
+                // went past the end of the list and rewound.
+                // case ParsingContext.TypeArguments:
+                // Note: these are almost certainly not safe to ever reuse.  Expressions commonly
+                // need a large amount of lookahead, and we should not reuse them as they may
+                // have actually intersected the edit.
+                // case ParsingContext.ArgumentExpressions:
+                // This is not safe to reuse for the same reason as the 'AssignmentExpression'
+                // cases.  i.e. a property assignment may end with an expression, and thus might
+                // have lookahead far beyond it's old node.
+                // case ParsingContext.ObjectLiteralMembers:
+                // This is probably not safe to reuse.  There can be speculative parsing with
+                // type names in a heritage clause.  There can be generic names in the type
+                // name list, and there can be left hand side expressions (which can have type
+                // arguments.)
+                // case ParsingContext.HeritageClauseElement:
+                // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes
+                // on any given element. Same for children.
+                // case ParsingContext.JsxAttributes:
+                // case ParsingContext.JsxChildren:
+            }
+            return false;
+        }
+        function isReusableClassMember(node) {
+            if (node) {
+                switch (node.kind) {
+                    case 171 /* SyntaxKind.Constructor */:
+                    case 176 /* SyntaxKind.IndexSignature */:
+                    case 172 /* SyntaxKind.GetAccessor */:
+                    case 173 /* SyntaxKind.SetAccessor */:
+                    case 167 /* SyntaxKind.PropertyDeclaration */:
+                    case 234 /* SyntaxKind.SemicolonClassElement */:
+                        return true;
+                    case 169 /* SyntaxKind.MethodDeclaration */:
+                        // Method declarations are not necessarily reusable.  An object-literal
+                        // may have a method calls "constructor(...)" and we must reparse that
+                        // into an actual .ConstructorDeclaration.
+                        var methodDeclaration = node;
+                        var nameIsConstructor = methodDeclaration.name.kind === 79 /* SyntaxKind.Identifier */ &&
+                            methodDeclaration.name.originalKeywordKind === 134 /* SyntaxKind.ConstructorKeyword */;
+                        return !nameIsConstructor;
+                }
+            }
+            return false;
+        }
+        function isReusableSwitchClause(node) {
+            if (node) {
+                switch (node.kind) {
+                    case 289 /* SyntaxKind.CaseClause */:
+                    case 290 /* SyntaxKind.DefaultClause */:
+                        return true;
+                }
+            }
+            return false;
+        }
+        function isReusableStatement(node) {
+            if (node) {
+                switch (node.kind) {
+                    case 256 /* SyntaxKind.FunctionDeclaration */:
+                    case 237 /* SyntaxKind.VariableStatement */:
+                    case 235 /* SyntaxKind.Block */:
+                    case 239 /* SyntaxKind.IfStatement */:
+                    case 238 /* SyntaxKind.ExpressionStatement */:
+                    case 251 /* SyntaxKind.ThrowStatement */:
+                    case 247 /* SyntaxKind.ReturnStatement */:
+                    case 249 /* SyntaxKind.SwitchStatement */:
+                    case 246 /* SyntaxKind.BreakStatement */:
+                    case 245 /* SyntaxKind.ContinueStatement */:
+                    case 243 /* SyntaxKind.ForInStatement */:
+                    case 244 /* SyntaxKind.ForOfStatement */:
+                    case 242 /* SyntaxKind.ForStatement */:
+                    case 241 /* SyntaxKind.WhileStatement */:
+                    case 248 /* SyntaxKind.WithStatement */:
+                    case 236 /* SyntaxKind.EmptyStatement */:
+                    case 252 /* SyntaxKind.TryStatement */:
+                    case 250 /* SyntaxKind.LabeledStatement */:
+                    case 240 /* SyntaxKind.DoStatement */:
+                    case 253 /* SyntaxKind.DebuggerStatement */:
+                    case 266 /* SyntaxKind.ImportDeclaration */:
+                    case 265 /* SyntaxKind.ImportEqualsDeclaration */:
+                    case 272 /* SyntaxKind.ExportDeclaration */:
+                    case 271 /* SyntaxKind.ExportAssignment */:
+                    case 261 /* SyntaxKind.ModuleDeclaration */:
+                    case 257 /* SyntaxKind.ClassDeclaration */:
+                    case 258 /* SyntaxKind.InterfaceDeclaration */:
+                    case 260 /* SyntaxKind.EnumDeclaration */:
+                    case 259 /* SyntaxKind.TypeAliasDeclaration */:
+                        return true;
+                }
+            }
+            return false;
+        }
+        function isReusableEnumMember(node) {
+            return node.kind === 299 /* SyntaxKind.EnumMember */;
+        }
+        function isReusableTypeMember(node) {
+            if (node) {
+                switch (node.kind) {
+                    case 175 /* SyntaxKind.ConstructSignature */:
+                    case 168 /* SyntaxKind.MethodSignature */:
+                    case 176 /* SyntaxKind.IndexSignature */:
+                    case 166 /* SyntaxKind.PropertySignature */:
+                    case 174 /* SyntaxKind.CallSignature */:
+                        return true;
+                }
+            }
+            return false;
+        }
+        function isReusableVariableDeclaration(node) {
+            if (node.kind !== 254 /* SyntaxKind.VariableDeclaration */) {
+                return false;
+            }
+            // Very subtle incremental parsing bug.  Consider the following code:
+            //
+            //      let v = new List < A, B
+            //
+            // This is actually legal code.  It's a list of variable declarators "v = new List()
+            //
+            // then we have a problem.  "v = new List= 0);
+        }
+        function getExpectedCommaDiagnostic(kind) {
+            return kind === 6 /* ParsingContext.EnumMembers */ ? ts.Diagnostics.An_enum_member_name_must_be_followed_by_a_or : undefined;
+        }
+        function createMissingList() {
+            var list = createNodeArray([], getNodePos());
+            list.isMissingList = true;
+            return list;
+        }
+        function isMissingList(arr) {
+            return !!arr.isMissingList;
+        }
+        function parseBracketedList(kind, parseElement, open, close) {
+            if (parseExpected(open)) {
+                var result = parseDelimitedList(kind, parseElement);
+                parseExpected(close);
+                return result;
+            }
+            return createMissingList();
+        }
+        function parseEntityName(allowReservedWords, diagnosticMessage) {
+            var pos = getNodePos();
+            var entity = allowReservedWords ? parseIdentifierName(diagnosticMessage) : parseIdentifier(diagnosticMessage);
+            var dotPos = getNodePos();
+            while (parseOptional(24 /* SyntaxKind.DotToken */)) {
+                if (token() === 29 /* SyntaxKind.LessThanToken */) {
+                    // the entity is part of a JSDoc-style generic, so record the trailing dot for later error reporting
+                    entity.jsdocDotPos = dotPos;
+                    break;
+                }
+                dotPos = getNodePos();
+                entity = finishNode(factory.createQualifiedName(entity, parseRightSideOfDot(allowReservedWords, /* allowPrivateIdentifiers */ false)), pos);
+            }
+            return entity;
+        }
+        function createQualifiedName(entity, name) {
+            return finishNode(factory.createQualifiedName(entity, name), entity.pos);
+        }
+        function parseRightSideOfDot(allowIdentifierNames, allowPrivateIdentifiers) {
+            // Technically a keyword is valid here as all identifiers and keywords are identifier names.
+            // However, often we'll encounter this in error situations when the identifier or keyword
+            // is actually starting another valid construct.
+            //
+            // So, we check for the following specific case:
+            //
+            //      name.
+            //      identifierOrKeyword identifierNameOrKeyword
+            //
+            // Note: the newlines are important here.  For example, if that above code
+            // were rewritten into:
+            //
+            //      name.identifierOrKeyword
+            //      identifierNameOrKeyword
+            //
+            // Then we would consider it valid.  That's because ASI would take effect and
+            // the code would be implicitly: "name.identifierOrKeyword; identifierNameOrKeyword".
+            // In the first case though, ASI will not take effect because there is not a
+            // line terminator after the identifier or keyword.
+            if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) {
+                var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
+                if (matchesPattern) {
+                    // Report that we need an identifier.  However, report it right after the dot,
+                    // and not on the next token.  This is because the next token might actually
+                    // be an identifier and the error would be quite confusing.
+                    return createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected);
+                }
+            }
+            if (token() === 80 /* SyntaxKind.PrivateIdentifier */) {
+                var node = parsePrivateIdentifier();
+                return allowPrivateIdentifiers ? node : createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected);
+            }
+            return allowIdentifierNames ? parseIdentifierName() : parseIdentifier();
+        }
+        function parseTemplateSpans(isTaggedTemplate) {
+            var pos = getNodePos();
+            var list = [];
+            var node;
+            do {
+                node = parseTemplateSpan(isTaggedTemplate);
+                list.push(node);
+            } while (node.literal.kind === 16 /* SyntaxKind.TemplateMiddle */);
+            return createNodeArray(list, pos);
+        }
+        function parseTemplateExpression(isTaggedTemplate) {
+            var pos = getNodePos();
+            return finishNode(factory.createTemplateExpression(parseTemplateHead(isTaggedTemplate), parseTemplateSpans(isTaggedTemplate)), pos);
+        }
+        function parseTemplateType() {
+            var pos = getNodePos();
+            return finishNode(factory.createTemplateLiteralType(parseTemplateHead(/*isTaggedTemplate*/ false), parseTemplateTypeSpans()), pos);
+        }
+        function parseTemplateTypeSpans() {
+            var pos = getNodePos();
+            var list = [];
+            var node;
+            do {
+                node = parseTemplateTypeSpan();
+                list.push(node);
+            } while (node.literal.kind === 16 /* SyntaxKind.TemplateMiddle */);
+            return createNodeArray(list, pos);
+        }
+        function parseTemplateTypeSpan() {
+            var pos = getNodePos();
+            return finishNode(factory.createTemplateLiteralTypeSpan(parseType(), parseLiteralOfTemplateSpan(/*isTaggedTemplate*/ false)), pos);
+        }
+        function parseLiteralOfTemplateSpan(isTaggedTemplate) {
+            if (token() === 19 /* SyntaxKind.CloseBraceToken */) {
+                reScanTemplateToken(isTaggedTemplate);
+                return parseTemplateMiddleOrTemplateTail();
+            }
+            else {
+                // TODO(rbuckton): Do we need to call `parseExpectedToken` or can we just call `createMissingNode` directly?
+                return parseExpectedToken(17 /* SyntaxKind.TemplateTail */, ts.Diagnostics._0_expected, ts.tokenToString(19 /* SyntaxKind.CloseBraceToken */));
+            }
+        }
+        function parseTemplateSpan(isTaggedTemplate) {
+            var pos = getNodePos();
+            return finishNode(factory.createTemplateSpan(allowInAnd(parseExpression), parseLiteralOfTemplateSpan(isTaggedTemplate)), pos);
+        }
+        function parseLiteralNode() {
+            return parseLiteralLikeNode(token());
+        }
+        function parseTemplateHead(isTaggedTemplate) {
+            if (isTaggedTemplate) {
+                reScanTemplateHeadOrNoSubstitutionTemplate();
+            }
+            var fragment = parseLiteralLikeNode(token());
+            ts.Debug.assert(fragment.kind === 15 /* SyntaxKind.TemplateHead */, "Template head has wrong token kind");
+            return fragment;
+        }
+        function parseTemplateMiddleOrTemplateTail() {
+            var fragment = parseLiteralLikeNode(token());
+            ts.Debug.assert(fragment.kind === 16 /* SyntaxKind.TemplateMiddle */ || fragment.kind === 17 /* SyntaxKind.TemplateTail */, "Template fragment has wrong token kind");
+            return fragment;
+        }
+        function getTemplateLiteralRawText(kind) {
+            var isLast = kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ || kind === 17 /* SyntaxKind.TemplateTail */;
+            var tokenText = scanner.getTokenText();
+            return tokenText.substring(1, tokenText.length - (scanner.isUnterminated() ? 0 : isLast ? 1 : 2));
+        }
+        function parseLiteralLikeNode(kind) {
+            var pos = getNodePos();
+            var node = ts.isTemplateLiteralKind(kind) ? factory.createTemplateLiteralLikeNode(kind, scanner.getTokenValue(), getTemplateLiteralRawText(kind), scanner.getTokenFlags() & 2048 /* TokenFlags.TemplateLiteralLikeFlags */) :
+                // Octal literals are not allowed in strict mode or ES5
+                // Note that theoretically the following condition would hold true literals like 009,
+                // which is not octal. But because of how the scanner separates the tokens, we would
+                // never get a token like this. Instead, we would get 00 and 9 as two separate tokens.
+                // We also do not need to check for negatives because any prefix operator would be part of a
+                // parent unary expression.
+                kind === 8 /* SyntaxKind.NumericLiteral */ ? factory.createNumericLiteral(scanner.getTokenValue(), scanner.getNumericLiteralFlags()) :
+                    kind === 10 /* SyntaxKind.StringLiteral */ ? factory.createStringLiteral(scanner.getTokenValue(), /*isSingleQuote*/ undefined, scanner.hasExtendedUnicodeEscape()) :
+                        ts.isLiteralKind(kind) ? factory.createLiteralLikeNode(kind, scanner.getTokenValue()) :
+                            ts.Debug.fail();
+            if (scanner.hasExtendedUnicodeEscape()) {
+                node.hasExtendedUnicodeEscape = true;
+            }
+            if (scanner.isUnterminated()) {
+                node.isUnterminated = true;
+            }
+            nextToken();
+            return finishNode(node, pos);
+        }
+        // TYPES
+        function parseEntityNameOfTypeReference() {
+            return parseEntityName(/*allowReservedWords*/ true, ts.Diagnostics.Type_expected);
+        }
+        function parseTypeArgumentsOfTypeReference() {
+            if (!scanner.hasPrecedingLineBreak() && reScanLessThanToken() === 29 /* SyntaxKind.LessThanToken */) {
+                return parseBracketedList(20 /* ParsingContext.TypeArguments */, parseType, 29 /* SyntaxKind.LessThanToken */, 31 /* SyntaxKind.GreaterThanToken */);
+            }
+        }
+        function parseTypeReference() {
+            var pos = getNodePos();
+            return finishNode(factory.createTypeReferenceNode(parseEntityNameOfTypeReference(), parseTypeArgumentsOfTypeReference()), pos);
+        }
+        // If true, we should abort parsing an error function.
+        function typeHasArrowFunctionBlockingParseError(node) {
+            switch (node.kind) {
+                case 178 /* SyntaxKind.TypeReference */:
+                    return ts.nodeIsMissing(node.typeName);
+                case 179 /* SyntaxKind.FunctionType */:
+                case 180 /* SyntaxKind.ConstructorType */: {
+                    var _a = node, parameters = _a.parameters, type = _a.type;
+                    return isMissingList(parameters) || typeHasArrowFunctionBlockingParseError(type);
+                }
+                case 191 /* SyntaxKind.ParenthesizedType */:
+                    return typeHasArrowFunctionBlockingParseError(node.type);
+                default:
+                    return false;
+            }
+        }
+        function parseThisTypePredicate(lhs) {
+            nextToken();
+            return finishNode(factory.createTypePredicateNode(/*assertsModifier*/ undefined, lhs, parseType()), lhs.pos);
+        }
+        function parseThisTypeNode() {
+            var pos = getNodePos();
+            nextToken();
+            return finishNode(factory.createThisTypeNode(), pos);
+        }
+        function parseJSDocAllType() {
+            var pos = getNodePos();
+            nextToken();
+            return finishNode(factory.createJSDocAllType(), pos);
+        }
+        function parseJSDocNonNullableType() {
+            var pos = getNodePos();
+            nextToken();
+            return finishNode(factory.createJSDocNonNullableType(parseNonArrayType(), /*postfix*/ false), pos);
+        }
+        function parseJSDocUnknownOrNullableType() {
+            var pos = getNodePos();
+            // skip the ?
+            nextToken();
+            // Need to lookahead to decide if this is a nullable or unknown type.
+            // Here are cases where we'll pick the unknown type:
+            //
+            //      Foo(?,
+            //      { a: ? }
+            //      Foo(?)
+            //      Foo
+            //      Foo(?=
+            //      (?|
+            if (token() === 27 /* SyntaxKind.CommaToken */ ||
+                token() === 19 /* SyntaxKind.CloseBraceToken */ ||
+                token() === 21 /* SyntaxKind.CloseParenToken */ ||
+                token() === 31 /* SyntaxKind.GreaterThanToken */ ||
+                token() === 63 /* SyntaxKind.EqualsToken */ ||
+                token() === 51 /* SyntaxKind.BarToken */) {
+                return finishNode(factory.createJSDocUnknownType(), pos);
+            }
+            else {
+                return finishNode(factory.createJSDocNullableType(parseType(), /*postfix*/ false), pos);
+            }
+        }
+        function parseJSDocFunctionType() {
+            var pos = getNodePos();
+            var hasJSDoc = hasPrecedingJSDocComment();
+            if (lookAhead(nextTokenIsOpenParen)) {
+                nextToken();
+                var parameters = parseParameters(4 /* SignatureFlags.Type */ | 32 /* SignatureFlags.JSDoc */);
+                var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false);
+                return withJSDoc(finishNode(factory.createJSDocFunctionType(parameters, type), pos), hasJSDoc);
+            }
+            return finishNode(factory.createTypeReferenceNode(parseIdentifierName(), /*typeArguments*/ undefined), pos);
+        }
+        function parseJSDocParameter() {
+            var pos = getNodePos();
+            var name;
+            if (token() === 108 /* SyntaxKind.ThisKeyword */ || token() === 103 /* SyntaxKind.NewKeyword */) {
+                name = parseIdentifierName();
+                parseExpected(58 /* SyntaxKind.ColonToken */);
+            }
+            return finishNode(factory.createParameterDeclaration(
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*dotDotDotToken*/ undefined, 
+            // TODO(rbuckton): JSDoc parameters don't have names (except `this`/`new`), should we manufacture an empty identifier?
+            name, 
+            /*questionToken*/ undefined, parseJSDocType(), 
+            /*initializer*/ undefined), pos);
+        }
+        function parseJSDocType() {
+            scanner.setInJSDocType(true);
+            var pos = getNodePos();
+            if (parseOptional(141 /* SyntaxKind.ModuleKeyword */)) {
+                // TODO(rbuckton): We never set the type for a JSDocNamepathType. What should we put here?
+                var moduleTag = factory.createJSDocNamepathType(/*type*/ undefined);
+                terminate: while (true) {
+                    switch (token()) {
+                        case 19 /* SyntaxKind.CloseBraceToken */:
+                        case 1 /* SyntaxKind.EndOfFileToken */:
+                        case 27 /* SyntaxKind.CommaToken */:
+                        case 5 /* SyntaxKind.WhitespaceTrivia */:
+                            break terminate;
+                        default:
+                            nextTokenJSDoc();
+                    }
+                }
+                scanner.setInJSDocType(false);
+                return finishNode(moduleTag, pos);
+            }
+            var hasDotDotDot = parseOptional(25 /* SyntaxKind.DotDotDotToken */);
+            var type = parseTypeOrTypePredicate();
+            scanner.setInJSDocType(false);
+            if (hasDotDotDot) {
+                type = finishNode(factory.createJSDocVariadicType(type), pos);
+            }
+            if (token() === 63 /* SyntaxKind.EqualsToken */) {
+                nextToken();
+                return finishNode(factory.createJSDocOptionalType(type), pos);
+            }
+            return type;
+        }
+        function parseTypeQuery() {
+            var pos = getNodePos();
+            parseExpected(112 /* SyntaxKind.TypeOfKeyword */);
+            var entityName = parseEntityName(/*allowReservedWords*/ true);
+            // Make sure we perform ASI to prevent parsing the next line's type arguments as part of an instantiation expression.
+            var typeArguments = !scanner.hasPrecedingLineBreak() ? tryParseTypeArguments() : undefined;
+            return finishNode(factory.createTypeQueryNode(entityName, typeArguments), pos);
+        }
+        function parseTypeParameter() {
+            var pos = getNodePos();
+            var modifiers = parseModifiers();
+            var name = parseIdentifier();
+            var constraint;
+            var expression;
+            if (parseOptional(94 /* SyntaxKind.ExtendsKeyword */)) {
+                // It's not uncommon for people to write improper constraints to a generic.  If the
+                // user writes a constraint that is an expression and not an actual type, then parse
+                // it out as an expression (so we can recover well), but report that a type is needed
+                // instead.
+                if (isStartOfType() || !isStartOfExpression()) {
+                    constraint = parseType();
+                }
+                else {
+                    // It was not a type, and it looked like an expression.  Parse out an expression
+                    // here so we recover well.  Note: it is important that we call parseUnaryExpression
+                    // and not parseExpression here.  If the user has:
+                    //
+                    //      
+                    //
+                    // We do *not* want to consume the `>` as we're consuming the expression for "".
+                    expression = parseUnaryExpressionOrHigher();
+                }
+            }
+            var defaultType = parseOptional(63 /* SyntaxKind.EqualsToken */) ? parseType() : undefined;
+            var node = factory.createTypeParameterDeclaration(modifiers, name, constraint, defaultType);
+            node.expression = expression;
+            return finishNode(node, pos);
+        }
+        function parseTypeParameters() {
+            if (token() === 29 /* SyntaxKind.LessThanToken */) {
+                return parseBracketedList(19 /* ParsingContext.TypeParameters */, parseTypeParameter, 29 /* SyntaxKind.LessThanToken */, 31 /* SyntaxKind.GreaterThanToken */);
+            }
+        }
+        function isStartOfParameter(isJSDocParameter) {
+            return token() === 25 /* SyntaxKind.DotDotDotToken */ ||
+                isBindingIdentifierOrPrivateIdentifierOrPattern() ||
+                ts.isModifierKind(token()) ||
+                token() === 59 /* SyntaxKind.AtToken */ ||
+                isStartOfType(/*inStartOfParameter*/ !isJSDocParameter);
+        }
+        function parseNameOfParameter(modifiers) {
+            // FormalParameter [Yield,Await]:
+            //      BindingElement[?Yield,?Await]
+            var name = parseIdentifierOrPattern(ts.Diagnostics.Private_identifiers_cannot_be_used_as_parameters);
+            if (ts.getFullWidth(name) === 0 && !ts.some(modifiers) && ts.isModifierKind(token())) {
+                // in cases like
+                // 'use strict'
+                // function foo(static)
+                // isParameter('static') === true, because of isModifier('static')
+                // however 'static' is not a legal identifier in a strict mode.
+                // so result of this function will be ParameterDeclaration (flags = 0, name = missing, type = undefined, initializer = undefined)
+                // and current token will not change => parsing of the enclosing parameter list will last till the end of time (or OOM)
+                // to avoid this we'll advance cursor to the next token.
+                nextToken();
+            }
+            return name;
+        }
+        function isParameterNameStart() {
+            // Be permissive about await and yield by calling isBindingIdentifier instead of isIdentifier; disallowing
+            // them during a speculative parse leads to many more follow-on errors than allowing the function to parse then later
+            // complaining about the use of the keywords.
+            return isBindingIdentifier() || token() === 22 /* SyntaxKind.OpenBracketToken */ || token() === 18 /* SyntaxKind.OpenBraceToken */;
+        }
+        function parseParameter(inOuterAwaitContext) {
+            return parseParameterWorker(inOuterAwaitContext);
+        }
+        function parseParameterForSpeculation(inOuterAwaitContext) {
+            return parseParameterWorker(inOuterAwaitContext, /*allowAmbiguity*/ false);
+        }
+        function parseParameterWorker(inOuterAwaitContext, allowAmbiguity) {
+            if (allowAmbiguity === void 0) { allowAmbiguity = true; }
+            var pos = getNodePos();
+            var hasJSDoc = hasPrecedingJSDocComment();
+            // FormalParameter [Yield,Await]:
+            //      BindingElement[?Yield,?Await]
+            // Decorators are parsed in the outer [Await] context, the rest of the parameter is parsed in the function's [Await] context.
+            var decorators = inOuterAwaitContext ? doInAwaitContext(parseDecorators) : parseDecorators();
+            if (token() === 108 /* SyntaxKind.ThisKeyword */) {
+                var node_1 = factory.createParameterDeclaration(decorators, 
+                /*modifiers*/ undefined, 
+                /*dotDotDotToken*/ undefined, createIdentifier(/*isIdentifier*/ true), 
+                /*questionToken*/ undefined, parseTypeAnnotation(), 
+                /*initializer*/ undefined);
+                if (decorators) {
+                    parseErrorAtRange(decorators[0], ts.Diagnostics.Decorators_may_not_be_applied_to_this_parameters);
+                }
+                return withJSDoc(finishNode(node_1, pos), hasJSDoc);
+            }
+            var savedTopLevel = topLevel;
+            topLevel = false;
+            var modifiers = parseModifiers();
+            var dotDotDotToken = parseOptionalToken(25 /* SyntaxKind.DotDotDotToken */);
+            if (!allowAmbiguity && !isParameterNameStart()) {
+                return undefined;
+            }
+            var node = withJSDoc(finishNode(factory.createParameterDeclaration(decorators, modifiers, dotDotDotToken, parseNameOfParameter(modifiers), parseOptionalToken(57 /* SyntaxKind.QuestionToken */), parseTypeAnnotation(), parseInitializer()), pos), hasJSDoc);
+            topLevel = savedTopLevel;
+            return node;
+        }
+        function parseReturnType(returnToken, isType) {
+            if (shouldParseReturnType(returnToken, isType)) {
+                return allowConditionalTypesAnd(parseTypeOrTypePredicate);
+            }
+        }
+        function shouldParseReturnType(returnToken, isType) {
+            if (returnToken === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                parseExpected(returnToken);
+                return true;
+            }
+            else if (parseOptional(58 /* SyntaxKind.ColonToken */)) {
+                return true;
+            }
+            else if (isType && token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                // This is easy to get backward, especially in type contexts, so parse the type anyway
+                parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(58 /* SyntaxKind.ColonToken */));
+                nextToken();
+                return true;
+            }
+            return false;
+        }
+        function parseParametersWorker(flags, allowAmbiguity) {
+            // FormalParameters [Yield,Await]: (modified)
+            //      [empty]
+            //      FormalParameterList[?Yield,Await]
+            //
+            // FormalParameter[Yield,Await]: (modified)
+            //      BindingElement[?Yield,Await]
+            //
+            // BindingElement [Yield,Await]: (modified)
+            //      SingleNameBinding[?Yield,?Await]
+            //      BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt
+            //
+            // SingleNameBinding [Yield,Await]:
+            //      BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt
+            var savedYieldContext = inYieldContext();
+            var savedAwaitContext = inAwaitContext();
+            setYieldContext(!!(flags & 1 /* SignatureFlags.Yield */));
+            setAwaitContext(!!(flags & 2 /* SignatureFlags.Await */));
+            var parameters = flags & 32 /* SignatureFlags.JSDoc */ ?
+                parseDelimitedList(17 /* ParsingContext.JSDocParameters */, parseJSDocParameter) :
+                parseDelimitedList(16 /* ParsingContext.Parameters */, function () { return allowAmbiguity ? parseParameter(savedAwaitContext) : parseParameterForSpeculation(savedAwaitContext); });
+            setYieldContext(savedYieldContext);
+            setAwaitContext(savedAwaitContext);
+            return parameters;
+        }
+        function parseParameters(flags) {
+            // FormalParameters [Yield,Await]: (modified)
+            //      [empty]
+            //      FormalParameterList[?Yield,Await]
+            //
+            // FormalParameter[Yield,Await]: (modified)
+            //      BindingElement[?Yield,Await]
+            //
+            // BindingElement [Yield,Await]: (modified)
+            //      SingleNameBinding[?Yield,?Await]
+            //      BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt
+            //
+            // SingleNameBinding [Yield,Await]:
+            //      BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt
+            if (!parseExpected(20 /* SyntaxKind.OpenParenToken */)) {
+                return createMissingList();
+            }
+            var parameters = parseParametersWorker(flags, /*allowAmbiguity*/ true);
+            parseExpected(21 /* SyntaxKind.CloseParenToken */);
+            return parameters;
+        }
+        function parseTypeMemberSemicolon() {
+            // We allow type members to be separated by commas or (possibly ASI) semicolons.
+            // First check if it was a comma.  If so, we're done with the member.
+            if (parseOptional(27 /* SyntaxKind.CommaToken */)) {
+                return;
+            }
+            // Didn't have a comma.  We must have a (possible ASI) semicolon.
+            parseSemicolon();
+        }
+        function parseSignatureMember(kind) {
+            var pos = getNodePos();
+            var hasJSDoc = hasPrecedingJSDocComment();
+            if (kind === 175 /* SyntaxKind.ConstructSignature */) {
+                parseExpected(103 /* SyntaxKind.NewKeyword */);
+            }
+            var typeParameters = parseTypeParameters();
+            var parameters = parseParameters(4 /* SignatureFlags.Type */);
+            var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ true);
+            parseTypeMemberSemicolon();
+            var node = kind === 174 /* SyntaxKind.CallSignature */
+                ? factory.createCallSignature(typeParameters, parameters, type)
+                : factory.createConstructSignature(typeParameters, parameters, type);
+            return withJSDoc(finishNode(node, pos), hasJSDoc);
+        }
+        function isIndexSignature() {
+            return token() === 22 /* SyntaxKind.OpenBracketToken */ && lookAhead(isUnambiguouslyIndexSignature);
+        }
+        function isUnambiguouslyIndexSignature() {
+            // The only allowed sequence is:
+            //
+            //   [id:
+            //
+            // However, for error recovery, we also check the following cases:
+            //
+            //   [...
+            //   [id,
+            //   [id?,
+            //   [id?:
+            //   [id?]
+            //   [public id
+            //   [private id
+            //   [protected id
+            //   []
+            //
+            nextToken();
+            if (token() === 25 /* SyntaxKind.DotDotDotToken */ || token() === 23 /* SyntaxKind.CloseBracketToken */) {
+                return true;
+            }
+            if (ts.isModifierKind(token())) {
+                nextToken();
+                if (isIdentifier()) {
+                    return true;
+                }
+            }
+            else if (!isIdentifier()) {
+                return false;
+            }
+            else {
+                // Skip the identifier
+                nextToken();
+            }
+            // A colon signifies a well formed indexer
+            // A comma should be a badly formed indexer because comma expressions are not allowed
+            // in computed properties.
+            if (token() === 58 /* SyntaxKind.ColonToken */ || token() === 27 /* SyntaxKind.CommaToken */) {
+                return true;
+            }
+            // Question mark could be an indexer with an optional property,
+            // or it could be a conditional expression in a computed property.
+            if (token() !== 57 /* SyntaxKind.QuestionToken */) {
+                return false;
+            }
+            // If any of the following tokens are after the question mark, it cannot
+            // be a conditional expression, so treat it as an indexer.
+            nextToken();
+            return token() === 58 /* SyntaxKind.ColonToken */ || token() === 27 /* SyntaxKind.CommaToken */ || token() === 23 /* SyntaxKind.CloseBracketToken */;
+        }
+        function parseIndexSignatureDeclaration(pos, hasJSDoc, decorators, modifiers) {
+            var parameters = parseBracketedList(16 /* ParsingContext.Parameters */, function () { return parseParameter(/*inOuterAwaitContext*/ false); }, 22 /* SyntaxKind.OpenBracketToken */, 23 /* SyntaxKind.CloseBracketToken */);
+            var type = parseTypeAnnotation();
+            parseTypeMemberSemicolon();
+            var node = factory.createIndexSignature(decorators, modifiers, parameters, type);
+            return withJSDoc(finishNode(node, pos), hasJSDoc);
+        }
+        function parsePropertyOrMethodSignature(pos, hasJSDoc, modifiers) {
+            var name = parsePropertyName();
+            var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */);
+            var node;
+            if (token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */) {
+                // Method signatures don't exist in expression contexts.  So they have neither
+                // [Yield] nor [Await]
+                var typeParameters = parseTypeParameters();
+                var parameters = parseParameters(4 /* SignatureFlags.Type */);
+                var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ true);
+                node = factory.createMethodSignature(modifiers, name, questionToken, typeParameters, parameters, type);
+            }
+            else {
+                var type = parseTypeAnnotation();
+                node = factory.createPropertySignature(modifiers, name, questionToken, type);
+                // Although type literal properties cannot not have initializers, we attempt
+                // to parse an initializer so we can report in the checker that an interface
+                // property or type literal property cannot have an initializer.
+                if (token() === 63 /* SyntaxKind.EqualsToken */)
+                    node.initializer = parseInitializer();
+            }
+            parseTypeMemberSemicolon();
+            return withJSDoc(finishNode(node, pos), hasJSDoc);
+        }
+        function isTypeMemberStart() {
+            // Return true if we have the start of a signature member
+            if (token() === 20 /* SyntaxKind.OpenParenToken */ ||
+                token() === 29 /* SyntaxKind.LessThanToken */ ||
+                token() === 136 /* SyntaxKind.GetKeyword */ ||
+                token() === 149 /* SyntaxKind.SetKeyword */) {
+                return true;
+            }
+            var idToken = false;
+            // Eat up all modifiers, but hold on to the last one in case it is actually an identifier
+            while (ts.isModifierKind(token())) {
+                idToken = true;
+                nextToken();
+            }
+            // Index signatures and computed property names are type members
+            if (token() === 22 /* SyntaxKind.OpenBracketToken */) {
+                return true;
+            }
+            // Try to get the first property-like token following all modifiers
+            if (isLiteralPropertyName()) {
+                idToken = true;
+                nextToken();
+            }
+            // If we were able to get any potential identifier, check that it is
+            // the start of a member declaration
+            if (idToken) {
+                return token() === 20 /* SyntaxKind.OpenParenToken */ ||
+                    token() === 29 /* SyntaxKind.LessThanToken */ ||
+                    token() === 57 /* SyntaxKind.QuestionToken */ ||
+                    token() === 58 /* SyntaxKind.ColonToken */ ||
+                    token() === 27 /* SyntaxKind.CommaToken */ ||
+                    canParseSemicolon();
+            }
+            return false;
+        }
+        function parseTypeMember() {
+            if (token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */) {
+                return parseSignatureMember(174 /* SyntaxKind.CallSignature */);
+            }
+            if (token() === 103 /* SyntaxKind.NewKeyword */ && lookAhead(nextTokenIsOpenParenOrLessThan)) {
+                return parseSignatureMember(175 /* SyntaxKind.ConstructSignature */);
+            }
+            var pos = getNodePos();
+            var hasJSDoc = hasPrecedingJSDocComment();
+            var modifiers = parseModifiers();
+            if (parseContextualModifier(136 /* SyntaxKind.GetKeyword */)) {
+                return parseAccessorDeclaration(pos, hasJSDoc, /*decorators*/ undefined, modifiers, 172 /* SyntaxKind.GetAccessor */);
+            }
+            if (parseContextualModifier(149 /* SyntaxKind.SetKeyword */)) {
+                return parseAccessorDeclaration(pos, hasJSDoc, /*decorators*/ undefined, modifiers, 173 /* SyntaxKind.SetAccessor */);
+            }
+            if (isIndexSignature()) {
+                return parseIndexSignatureDeclaration(pos, hasJSDoc, /*decorators*/ undefined, modifiers);
+            }
+            return parsePropertyOrMethodSignature(pos, hasJSDoc, modifiers);
+        }
+        function nextTokenIsOpenParenOrLessThan() {
+            nextToken();
+            return token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */;
+        }
+        function nextTokenIsDot() {
+            return nextToken() === 24 /* SyntaxKind.DotToken */;
+        }
+        function nextTokenIsOpenParenOrLessThanOrDot() {
+            switch (nextToken()) {
+                case 20 /* SyntaxKind.OpenParenToken */:
+                case 29 /* SyntaxKind.LessThanToken */:
+                case 24 /* SyntaxKind.DotToken */:
+                    return true;
+            }
+            return false;
+        }
+        function parseTypeLiteral() {
+            var pos = getNodePos();
+            return finishNode(factory.createTypeLiteralNode(parseObjectTypeMembers()), pos);
+        }
+        function parseObjectTypeMembers() {
+            var members;
+            if (parseExpected(18 /* SyntaxKind.OpenBraceToken */)) {
+                members = parseList(4 /* ParsingContext.TypeMembers */, parseTypeMember);
+                parseExpected(19 /* SyntaxKind.CloseBraceToken */);
+            }
+            else {
+                members = createMissingList();
+            }
+            return members;
+        }
+        function isStartOfMappedType() {
+            nextToken();
+            if (token() === 39 /* SyntaxKind.PlusToken */ || token() === 40 /* SyntaxKind.MinusToken */) {
+                return nextToken() === 145 /* SyntaxKind.ReadonlyKeyword */;
+            }
+            if (token() === 145 /* SyntaxKind.ReadonlyKeyword */) {
+                nextToken();
+            }
+            return token() === 22 /* SyntaxKind.OpenBracketToken */ && nextTokenIsIdentifier() && nextToken() === 101 /* SyntaxKind.InKeyword */;
+        }
+        function parseMappedTypeParameter() {
+            var pos = getNodePos();
+            var name = parseIdentifierName();
+            parseExpected(101 /* SyntaxKind.InKeyword */);
+            var type = parseType();
+            return finishNode(factory.createTypeParameterDeclaration(/*modifiers*/ undefined, name, type, /*defaultType*/ undefined), pos);
+        }
+        function parseMappedType() {
+            var pos = getNodePos();
+            parseExpected(18 /* SyntaxKind.OpenBraceToken */);
+            var readonlyToken;
+            if (token() === 145 /* SyntaxKind.ReadonlyKeyword */ || token() === 39 /* SyntaxKind.PlusToken */ || token() === 40 /* SyntaxKind.MinusToken */) {
+                readonlyToken = parseTokenNode();
+                if (readonlyToken.kind !== 145 /* SyntaxKind.ReadonlyKeyword */) {
+                    parseExpected(145 /* SyntaxKind.ReadonlyKeyword */);
+                }
+            }
+            parseExpected(22 /* SyntaxKind.OpenBracketToken */);
+            var typeParameter = parseMappedTypeParameter();
+            var nameType = parseOptional(127 /* SyntaxKind.AsKeyword */) ? parseType() : undefined;
+            parseExpected(23 /* SyntaxKind.CloseBracketToken */);
+            var questionToken;
+            if (token() === 57 /* SyntaxKind.QuestionToken */ || token() === 39 /* SyntaxKind.PlusToken */ || token() === 40 /* SyntaxKind.MinusToken */) {
+                questionToken = parseTokenNode();
+                if (questionToken.kind !== 57 /* SyntaxKind.QuestionToken */) {
+                    parseExpected(57 /* SyntaxKind.QuestionToken */);
+                }
+            }
+            var type = parseTypeAnnotation();
+            parseSemicolon();
+            var members = parseList(4 /* ParsingContext.TypeMembers */, parseTypeMember);
+            parseExpected(19 /* SyntaxKind.CloseBraceToken */);
+            return finishNode(factory.createMappedTypeNode(readonlyToken, typeParameter, nameType, questionToken, type, members), pos);
+        }
+        function parseTupleElementType() {
+            var pos = getNodePos();
+            if (parseOptional(25 /* SyntaxKind.DotDotDotToken */)) {
+                return finishNode(factory.createRestTypeNode(parseType()), pos);
+            }
+            var type = parseType();
+            if (ts.isJSDocNullableType(type) && type.pos === type.type.pos) {
+                var node = factory.createOptionalTypeNode(type.type);
+                ts.setTextRange(node, type);
+                node.flags = type.flags;
+                return node;
+            }
+            return type;
+        }
+        function isNextTokenColonOrQuestionColon() {
+            return nextToken() === 58 /* SyntaxKind.ColonToken */ || (token() === 57 /* SyntaxKind.QuestionToken */ && nextToken() === 58 /* SyntaxKind.ColonToken */);
+        }
+        function isTupleElementName() {
+            if (token() === 25 /* SyntaxKind.DotDotDotToken */) {
+                return ts.tokenIsIdentifierOrKeyword(nextToken()) && isNextTokenColonOrQuestionColon();
+            }
+            return ts.tokenIsIdentifierOrKeyword(token()) && isNextTokenColonOrQuestionColon();
+        }
+        function parseTupleElementNameOrTupleElementType() {
+            if (lookAhead(isTupleElementName)) {
+                var pos = getNodePos();
+                var hasJSDoc = hasPrecedingJSDocComment();
+                var dotDotDotToken = parseOptionalToken(25 /* SyntaxKind.DotDotDotToken */);
+                var name = parseIdentifierName();
+                var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */);
+                parseExpected(58 /* SyntaxKind.ColonToken */);
+                var type = parseTupleElementType();
+                var node = factory.createNamedTupleMember(dotDotDotToken, name, questionToken, type);
+                return withJSDoc(finishNode(node, pos), hasJSDoc);
+            }
+            return parseTupleElementType();
+        }
+        function parseTupleType() {
+            var pos = getNodePos();
+            return finishNode(factory.createTupleTypeNode(parseBracketedList(21 /* ParsingContext.TupleElementTypes */, parseTupleElementNameOrTupleElementType, 22 /* SyntaxKind.OpenBracketToken */, 23 /* SyntaxKind.CloseBracketToken */)), pos);
+        }
+        function parseParenthesizedType() {
+            var pos = getNodePos();
+            parseExpected(20 /* SyntaxKind.OpenParenToken */);
+            var type = parseType();
+            parseExpected(21 /* SyntaxKind.CloseParenToken */);
+            return finishNode(factory.createParenthesizedType(type), pos);
+        }
+        function parseModifiersForConstructorType() {
+            var modifiers;
+            if (token() === 126 /* SyntaxKind.AbstractKeyword */) {
+                var pos = getNodePos();
+                nextToken();
+                var modifier = finishNode(factory.createToken(126 /* SyntaxKind.AbstractKeyword */), pos);
+                modifiers = createNodeArray([modifier], pos);
+            }
+            return modifiers;
+        }
+        function parseFunctionOrConstructorType() {
+            var pos = getNodePos();
+            var hasJSDoc = hasPrecedingJSDocComment();
+            var modifiers = parseModifiersForConstructorType();
+            var isConstructorType = parseOptional(103 /* SyntaxKind.NewKeyword */);
+            var typeParameters = parseTypeParameters();
+            var parameters = parseParameters(4 /* SignatureFlags.Type */);
+            var type = parseReturnType(38 /* SyntaxKind.EqualsGreaterThanToken */, /*isType*/ false);
+            var node = isConstructorType
+                ? factory.createConstructorTypeNode(modifiers, typeParameters, parameters, type)
+                : factory.createFunctionTypeNode(typeParameters, parameters, type);
+            if (!isConstructorType)
+                node.modifiers = modifiers;
+            return withJSDoc(finishNode(node, pos), hasJSDoc);
+        }
+        function parseKeywordAndNoDot() {
+            var node = parseTokenNode();
+            return token() === 24 /* SyntaxKind.DotToken */ ? undefined : node;
+        }
+        function parseLiteralTypeNode(negative) {
+            var pos = getNodePos();
+            if (negative) {
+                nextToken();
+            }
+            var expression = token() === 110 /* SyntaxKind.TrueKeyword */ || token() === 95 /* SyntaxKind.FalseKeyword */ || token() === 104 /* SyntaxKind.NullKeyword */ ?
+                parseTokenNode() :
+                parseLiteralLikeNode(token());
+            if (negative) {
+                expression = finishNode(factory.createPrefixUnaryExpression(40 /* SyntaxKind.MinusToken */, expression), pos);
+            }
+            return finishNode(factory.createLiteralTypeNode(expression), pos);
+        }
+        function isStartOfTypeOfImportType() {
+            nextToken();
+            return token() === 100 /* SyntaxKind.ImportKeyword */;
+        }
+        function parseImportTypeAssertions() {
+            var pos = getNodePos();
+            var openBracePosition = scanner.getTokenPos();
+            parseExpected(18 /* SyntaxKind.OpenBraceToken */);
+            var multiLine = scanner.hasPrecedingLineBreak();
+            parseExpected(129 /* SyntaxKind.AssertKeyword */);
+            parseExpected(58 /* SyntaxKind.ColonToken */);
+            var clause = parseAssertClause(/*skipAssertKeyword*/ true);
+            if (!parseExpected(19 /* SyntaxKind.CloseBraceToken */)) {
+                var lastError = ts.lastOrUndefined(parseDiagnostics);
+                if (lastError && lastError.code === ts.Diagnostics._0_expected.code) {
+                    ts.addRelatedInfo(lastError, ts.createDetachedDiagnostic(fileName, openBracePosition, 1, ts.Diagnostics.The_parser_expected_to_find_a_1_to_match_the_0_token_here, "{", "}"));
+                }
+            }
+            return finishNode(factory.createImportTypeAssertionContainer(clause, multiLine), pos);
+        }
+        function parseImportType() {
+            sourceFlags |= 2097152 /* NodeFlags.PossiblyContainsDynamicImport */;
+            var pos = getNodePos();
+            var isTypeOf = parseOptional(112 /* SyntaxKind.TypeOfKeyword */);
+            parseExpected(100 /* SyntaxKind.ImportKeyword */);
+            parseExpected(20 /* SyntaxKind.OpenParenToken */);
+            var type = parseType();
+            var assertions;
+            if (parseOptional(27 /* SyntaxKind.CommaToken */)) {
+                assertions = parseImportTypeAssertions();
+            }
+            parseExpected(21 /* SyntaxKind.CloseParenToken */);
+            var qualifier = parseOptional(24 /* SyntaxKind.DotToken */) ? parseEntityNameOfTypeReference() : undefined;
+            var typeArguments = parseTypeArgumentsOfTypeReference();
+            return finishNode(factory.createImportTypeNode(type, assertions, qualifier, typeArguments, isTypeOf), pos);
+        }
+        function nextTokenIsNumericOrBigIntLiteral() {
+            nextToken();
+            return token() === 8 /* SyntaxKind.NumericLiteral */ || token() === 9 /* SyntaxKind.BigIntLiteral */;
+        }
+        function parseNonArrayType() {
+            switch (token()) {
+                case 130 /* SyntaxKind.AnyKeyword */:
+                case 155 /* SyntaxKind.UnknownKeyword */:
+                case 150 /* SyntaxKind.StringKeyword */:
+                case 147 /* SyntaxKind.NumberKeyword */:
+                case 158 /* SyntaxKind.BigIntKeyword */:
+                case 151 /* SyntaxKind.SymbolKeyword */:
+                case 133 /* SyntaxKind.BooleanKeyword */:
+                case 153 /* SyntaxKind.UndefinedKeyword */:
+                case 143 /* SyntaxKind.NeverKeyword */:
+                case 148 /* SyntaxKind.ObjectKeyword */:
+                    // If these are followed by a dot, then parse these out as a dotted type reference instead.
+                    return tryParse(parseKeywordAndNoDot) || parseTypeReference();
+                case 66 /* SyntaxKind.AsteriskEqualsToken */:
+                    // If there is '*=', treat it as * followed by postfix =
+                    scanner.reScanAsteriskEqualsToken();
+                // falls through
+                case 41 /* SyntaxKind.AsteriskToken */:
+                    return parseJSDocAllType();
+                case 60 /* SyntaxKind.QuestionQuestionToken */:
+                    // If there is '??', treat it as prefix-'?' in JSDoc type.
+                    scanner.reScanQuestionToken();
+                // falls through
+                case 57 /* SyntaxKind.QuestionToken */:
+                    return parseJSDocUnknownOrNullableType();
+                case 98 /* SyntaxKind.FunctionKeyword */:
+                    return parseJSDocFunctionType();
+                case 53 /* SyntaxKind.ExclamationToken */:
+                    return parseJSDocNonNullableType();
+                case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+                case 10 /* SyntaxKind.StringLiteral */:
+                case 8 /* SyntaxKind.NumericLiteral */:
+                case 9 /* SyntaxKind.BigIntLiteral */:
+                case 110 /* SyntaxKind.TrueKeyword */:
+                case 95 /* SyntaxKind.FalseKeyword */:
+                case 104 /* SyntaxKind.NullKeyword */:
+                    return parseLiteralTypeNode();
+                case 40 /* SyntaxKind.MinusToken */:
+                    return lookAhead(nextTokenIsNumericOrBigIntLiteral) ? parseLiteralTypeNode(/*negative*/ true) : parseTypeReference();
+                case 114 /* SyntaxKind.VoidKeyword */:
+                    return parseTokenNode();
+                case 108 /* SyntaxKind.ThisKeyword */: {
+                    var thisKeyword = parseThisTypeNode();
+                    if (token() === 139 /* SyntaxKind.IsKeyword */ && !scanner.hasPrecedingLineBreak()) {
+                        return parseThisTypePredicate(thisKeyword);
+                    }
+                    else {
+                        return thisKeyword;
+                    }
+                }
+                case 112 /* SyntaxKind.TypeOfKeyword */:
+                    return lookAhead(isStartOfTypeOfImportType) ? parseImportType() : parseTypeQuery();
+                case 18 /* SyntaxKind.OpenBraceToken */:
+                    return lookAhead(isStartOfMappedType) ? parseMappedType() : parseTypeLiteral();
+                case 22 /* SyntaxKind.OpenBracketToken */:
+                    return parseTupleType();
+                case 20 /* SyntaxKind.OpenParenToken */:
+                    return parseParenthesizedType();
+                case 100 /* SyntaxKind.ImportKeyword */:
+                    return parseImportType();
+                case 128 /* SyntaxKind.AssertsKeyword */:
+                    return lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine) ? parseAssertsTypePredicate() : parseTypeReference();
+                case 15 /* SyntaxKind.TemplateHead */:
+                    return parseTemplateType();
+                default:
+                    return parseTypeReference();
+            }
+        }
+        function isStartOfType(inStartOfParameter) {
+            switch (token()) {
+                case 130 /* SyntaxKind.AnyKeyword */:
+                case 155 /* SyntaxKind.UnknownKeyword */:
+                case 150 /* SyntaxKind.StringKeyword */:
+                case 147 /* SyntaxKind.NumberKeyword */:
+                case 158 /* SyntaxKind.BigIntKeyword */:
+                case 133 /* SyntaxKind.BooleanKeyword */:
+                case 145 /* SyntaxKind.ReadonlyKeyword */:
+                case 151 /* SyntaxKind.SymbolKeyword */:
+                case 154 /* SyntaxKind.UniqueKeyword */:
+                case 114 /* SyntaxKind.VoidKeyword */:
+                case 153 /* SyntaxKind.UndefinedKeyword */:
+                case 104 /* SyntaxKind.NullKeyword */:
+                case 108 /* SyntaxKind.ThisKeyword */:
+                case 112 /* SyntaxKind.TypeOfKeyword */:
+                case 143 /* SyntaxKind.NeverKeyword */:
+                case 18 /* SyntaxKind.OpenBraceToken */:
+                case 22 /* SyntaxKind.OpenBracketToken */:
+                case 29 /* SyntaxKind.LessThanToken */:
+                case 51 /* SyntaxKind.BarToken */:
+                case 50 /* SyntaxKind.AmpersandToken */:
+                case 103 /* SyntaxKind.NewKeyword */:
+                case 10 /* SyntaxKind.StringLiteral */:
+                case 8 /* SyntaxKind.NumericLiteral */:
+                case 9 /* SyntaxKind.BigIntLiteral */:
+                case 110 /* SyntaxKind.TrueKeyword */:
+                case 95 /* SyntaxKind.FalseKeyword */:
+                case 148 /* SyntaxKind.ObjectKeyword */:
+                case 41 /* SyntaxKind.AsteriskToken */:
+                case 57 /* SyntaxKind.QuestionToken */:
+                case 53 /* SyntaxKind.ExclamationToken */:
+                case 25 /* SyntaxKind.DotDotDotToken */:
+                case 137 /* SyntaxKind.InferKeyword */:
+                case 100 /* SyntaxKind.ImportKeyword */:
+                case 128 /* SyntaxKind.AssertsKeyword */:
+                case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+                case 15 /* SyntaxKind.TemplateHead */:
+                    return true;
+                case 98 /* SyntaxKind.FunctionKeyword */:
+                    return !inStartOfParameter;
+                case 40 /* SyntaxKind.MinusToken */:
+                    return !inStartOfParameter && lookAhead(nextTokenIsNumericOrBigIntLiteral);
+                case 20 /* SyntaxKind.OpenParenToken */:
+                    // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier,
+                    // or something that starts a type. We don't want to consider things like '(1)' a type.
+                    return !inStartOfParameter && lookAhead(isStartOfParenthesizedOrFunctionType);
+                default:
+                    return isIdentifier();
+            }
+        }
+        function isStartOfParenthesizedOrFunctionType() {
+            nextToken();
+            return token() === 21 /* SyntaxKind.CloseParenToken */ || isStartOfParameter(/*isJSDocParameter*/ false) || isStartOfType();
+        }
+        function parsePostfixTypeOrHigher() {
+            var pos = getNodePos();
+            var type = parseNonArrayType();
+            while (!scanner.hasPrecedingLineBreak()) {
+                switch (token()) {
+                    case 53 /* SyntaxKind.ExclamationToken */:
+                        nextToken();
+                        type = finishNode(factory.createJSDocNonNullableType(type, /*postfix*/ true), pos);
+                        break;
+                    case 57 /* SyntaxKind.QuestionToken */:
+                        // If next token is start of a type we have a conditional type
+                        if (lookAhead(nextTokenIsStartOfType)) {
+                            return type;
+                        }
+                        nextToken();
+                        type = finishNode(factory.createJSDocNullableType(type, /*postfix*/ true), pos);
+                        break;
+                    case 22 /* SyntaxKind.OpenBracketToken */:
+                        parseExpected(22 /* SyntaxKind.OpenBracketToken */);
+                        if (isStartOfType()) {
+                            var indexType = parseType();
+                            parseExpected(23 /* SyntaxKind.CloseBracketToken */);
+                            type = finishNode(factory.createIndexedAccessTypeNode(type, indexType), pos);
+                        }
+                        else {
+                            parseExpected(23 /* SyntaxKind.CloseBracketToken */);
+                            type = finishNode(factory.createArrayTypeNode(type), pos);
+                        }
+                        break;
+                    default:
+                        return type;
+                }
+            }
+            return type;
+        }
+        function parseTypeOperator(operator) {
+            var pos = getNodePos();
+            parseExpected(operator);
+            return finishNode(factory.createTypeOperatorNode(operator, parseTypeOperatorOrHigher()), pos);
+        }
+        function tryParseConstraintOfInferType() {
+            if (parseOptional(94 /* SyntaxKind.ExtendsKeyword */)) {
+                var constraint = disallowConditionalTypesAnd(parseType);
+                if (inDisallowConditionalTypesContext() || token() !== 57 /* SyntaxKind.QuestionToken */) {
+                    return constraint;
+                }
+            }
+        }
+        function parseTypeParameterOfInferType() {
+            var pos = getNodePos();
+            var name = parseIdentifier();
+            var constraint = tryParse(tryParseConstraintOfInferType);
+            var node = factory.createTypeParameterDeclaration(/*modifiers*/ undefined, name, constraint);
+            return finishNode(node, pos);
+        }
+        function parseInferType() {
+            var pos = getNodePos();
+            parseExpected(137 /* SyntaxKind.InferKeyword */);
+            return finishNode(factory.createInferTypeNode(parseTypeParameterOfInferType()), pos);
+        }
+        function parseTypeOperatorOrHigher() {
+            var operator = token();
+            switch (operator) {
+                case 140 /* SyntaxKind.KeyOfKeyword */:
+                case 154 /* SyntaxKind.UniqueKeyword */:
+                case 145 /* SyntaxKind.ReadonlyKeyword */:
+                    return parseTypeOperator(operator);
+                case 137 /* SyntaxKind.InferKeyword */:
+                    return parseInferType();
+            }
+            return allowConditionalTypesAnd(parsePostfixTypeOrHigher);
+        }
+        function parseFunctionOrConstructorTypeToError(isInUnionType) {
+            // the function type and constructor type shorthand notation
+            // are not allowed directly in unions and intersections, but we'll
+            // try to parse them gracefully and issue a helpful message.
+            if (isStartOfFunctionTypeOrConstructorType()) {
+                var type = parseFunctionOrConstructorType();
+                var diagnostic = void 0;
+                if (ts.isFunctionTypeNode(type)) {
+                    diagnostic = isInUnionType
+                        ? ts.Diagnostics.Function_type_notation_must_be_parenthesized_when_used_in_a_union_type
+                        : ts.Diagnostics.Function_type_notation_must_be_parenthesized_when_used_in_an_intersection_type;
+                }
+                else {
+                    diagnostic = isInUnionType
+                        ? ts.Diagnostics.Constructor_type_notation_must_be_parenthesized_when_used_in_a_union_type
+                        : ts.Diagnostics.Constructor_type_notation_must_be_parenthesized_when_used_in_an_intersection_type;
+                }
+                parseErrorAtRange(type, diagnostic);
+                return type;
+            }
+            return undefined;
+        }
+        function parseUnionOrIntersectionType(operator, parseConstituentType, createTypeNode) {
+            var pos = getNodePos();
+            var isUnionType = operator === 51 /* SyntaxKind.BarToken */;
+            var hasLeadingOperator = parseOptional(operator);
+            var type = hasLeadingOperator && parseFunctionOrConstructorTypeToError(isUnionType)
+                || parseConstituentType();
+            if (token() === operator || hasLeadingOperator) {
+                var types = [type];
+                while (parseOptional(operator)) {
+                    types.push(parseFunctionOrConstructorTypeToError(isUnionType) || parseConstituentType());
+                }
+                type = finishNode(createTypeNode(createNodeArray(types, pos)), pos);
+            }
+            return type;
+        }
+        function parseIntersectionTypeOrHigher() {
+            return parseUnionOrIntersectionType(50 /* SyntaxKind.AmpersandToken */, parseTypeOperatorOrHigher, factory.createIntersectionTypeNode);
+        }
+        function parseUnionTypeOrHigher() {
+            return parseUnionOrIntersectionType(51 /* SyntaxKind.BarToken */, parseIntersectionTypeOrHigher, factory.createUnionTypeNode);
+        }
+        function nextTokenIsNewKeyword() {
+            nextToken();
+            return token() === 103 /* SyntaxKind.NewKeyword */;
+        }
+        function isStartOfFunctionTypeOrConstructorType() {
+            if (token() === 29 /* SyntaxKind.LessThanToken */) {
+                return true;
+            }
+            if (token() === 20 /* SyntaxKind.OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType)) {
+                return true;
+            }
+            return token() === 103 /* SyntaxKind.NewKeyword */ ||
+                token() === 126 /* SyntaxKind.AbstractKeyword */ && lookAhead(nextTokenIsNewKeyword);
+        }
+        function skipParameterStart() {
+            if (ts.isModifierKind(token())) {
+                // Skip modifiers
+                parseModifiers();
+            }
+            if (isIdentifier() || token() === 108 /* SyntaxKind.ThisKeyword */) {
+                nextToken();
+                return true;
+            }
+            if (token() === 22 /* SyntaxKind.OpenBracketToken */ || token() === 18 /* SyntaxKind.OpenBraceToken */) {
+                // Return true if we can parse an array or object binding pattern with no errors
+                var previousErrorCount = parseDiagnostics.length;
+                parseIdentifierOrPattern();
+                return previousErrorCount === parseDiagnostics.length;
+            }
+            return false;
+        }
+        function isUnambiguouslyStartOfFunctionType() {
+            nextToken();
+            if (token() === 21 /* SyntaxKind.CloseParenToken */ || token() === 25 /* SyntaxKind.DotDotDotToken */) {
+                // ( )
+                // ( ...
+                return true;
+            }
+            if (skipParameterStart()) {
+                // We successfully skipped modifiers (if any) and an identifier or binding pattern,
+                // now see if we have something that indicates a parameter declaration
+                if (token() === 58 /* SyntaxKind.ColonToken */ || token() === 27 /* SyntaxKind.CommaToken */ ||
+                    token() === 57 /* SyntaxKind.QuestionToken */ || token() === 63 /* SyntaxKind.EqualsToken */) {
+                    // ( xxx :
+                    // ( xxx ,
+                    // ( xxx ?
+                    // ( xxx =
+                    return true;
+                }
+                if (token() === 21 /* SyntaxKind.CloseParenToken */) {
+                    nextToken();
+                    if (token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                        // ( xxx ) =>
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+        function parseTypeOrTypePredicate() {
+            var pos = getNodePos();
+            var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix);
+            var type = parseType();
+            if (typePredicateVariable) {
+                return finishNode(factory.createTypePredicateNode(/*assertsModifier*/ undefined, typePredicateVariable, type), pos);
+            }
+            else {
+                return type;
+            }
+        }
+        function parseTypePredicatePrefix() {
+            var id = parseIdentifier();
+            if (token() === 139 /* SyntaxKind.IsKeyword */ && !scanner.hasPrecedingLineBreak()) {
+                nextToken();
+                return id;
+            }
+        }
+        function parseAssertsTypePredicate() {
+            var pos = getNodePos();
+            var assertsModifier = parseExpectedToken(128 /* SyntaxKind.AssertsKeyword */);
+            var parameterName = token() === 108 /* SyntaxKind.ThisKeyword */ ? parseThisTypeNode() : parseIdentifier();
+            var type = parseOptional(139 /* SyntaxKind.IsKeyword */) ? parseType() : undefined;
+            return finishNode(factory.createTypePredicateNode(assertsModifier, parameterName, type), pos);
+        }
+        function parseType() {
+            if (contextFlags & 40960 /* NodeFlags.TypeExcludesFlags */) {
+                return doOutsideOfContext(40960 /* NodeFlags.TypeExcludesFlags */, parseType);
+            }
+            if (isStartOfFunctionTypeOrConstructorType()) {
+                return parseFunctionOrConstructorType();
+            }
+            var pos = getNodePos();
+            var type = parseUnionTypeOrHigher();
+            if (!inDisallowConditionalTypesContext() && !scanner.hasPrecedingLineBreak() && parseOptional(94 /* SyntaxKind.ExtendsKeyword */)) {
+                // The type following 'extends' is not permitted to be another conditional type
+                var extendsType = disallowConditionalTypesAnd(parseType);
+                parseExpected(57 /* SyntaxKind.QuestionToken */);
+                var trueType = allowConditionalTypesAnd(parseType);
+                parseExpected(58 /* SyntaxKind.ColonToken */);
+                var falseType = allowConditionalTypesAnd(parseType);
+                return finishNode(factory.createConditionalTypeNode(type, extendsType, trueType, falseType), pos);
+            }
+            return type;
+        }
+        function parseTypeAnnotation() {
+            return parseOptional(58 /* SyntaxKind.ColonToken */) ? parseType() : undefined;
+        }
+        // EXPRESSIONS
+        function isStartOfLeftHandSideExpression() {
+            switch (token()) {
+                case 108 /* SyntaxKind.ThisKeyword */:
+                case 106 /* SyntaxKind.SuperKeyword */:
+                case 104 /* SyntaxKind.NullKeyword */:
+                case 110 /* SyntaxKind.TrueKeyword */:
+                case 95 /* SyntaxKind.FalseKeyword */:
+                case 8 /* SyntaxKind.NumericLiteral */:
+                case 9 /* SyntaxKind.BigIntLiteral */:
+                case 10 /* SyntaxKind.StringLiteral */:
+                case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
+                case 15 /* SyntaxKind.TemplateHead */:
+                case 20 /* SyntaxKind.OpenParenToken */:
+                case 22 /* SyntaxKind.OpenBracketToken */:
+                case 18 /* SyntaxKind.OpenBraceToken */:
+                case 98 /* SyntaxKind.FunctionKeyword */:
+                case 84 /* SyntaxKind.ClassKeyword */:
+                case 103 /* SyntaxKind.NewKeyword */:
+                case 43 /* SyntaxKind.SlashToken */:
+                case 68 /* SyntaxKind.SlashEqualsToken */:
+                case 79 /* SyntaxKind.Identifier */:
+                    return true;
+                case 100 /* SyntaxKind.ImportKeyword */:
+                    return lookAhead(nextTokenIsOpenParenOrLessThanOrDot);
+                default:
+                    return isIdentifier();
+            }
+        }
+        function isStartOfExpression() {
+            if (isStartOfLeftHandSideExpression()) {
+                return true;
+            }
+            switch (token()) {
+                case 39 /* SyntaxKind.PlusToken */:
+                case 40 /* SyntaxKind.MinusToken */:
+                case 54 /* SyntaxKind.TildeToken */:
+                case 53 /* SyntaxKind.ExclamationToken */:
+                case 89 /* SyntaxKind.DeleteKeyword */:
+                case 112 /* SyntaxKind.TypeOfKeyword */:
+                case 114 /* SyntaxKind.VoidKeyword */:
+                case 45 /* SyntaxKind.PlusPlusToken */:
+                case 46 /* SyntaxKind.MinusMinusToken */:
+                case 29 /* SyntaxKind.LessThanToken */:
+                case 132 /* SyntaxKind.AwaitKeyword */:
+                case 125 /* SyntaxKind.YieldKeyword */:
+                case 80 /* SyntaxKind.PrivateIdentifier */:
+                    // Yield/await always starts an expression.  Either it is an identifier (in which case
+                    // it is definitely an expression).  Or it's a keyword (either because we're in
+                    // a generator or async function, or in strict mode (or both)) and it started a yield or await expression.
+                    return true;
+                default:
+                    // Error tolerance.  If we see the start of some binary operator, we consider
+                    // that the start of an expression.  That way we'll parse out a missing identifier,
+                    // give a good message about an identifier being missing, and then consume the
+                    // rest of the binary expression.
+                    if (isBinaryOperator()) {
+                        return true;
+                    }
+                    return isIdentifier();
+            }
+        }
+        function isStartOfExpressionStatement() {
+            // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement.
+            return token() !== 18 /* SyntaxKind.OpenBraceToken */ &&
+                token() !== 98 /* SyntaxKind.FunctionKeyword */ &&
+                token() !== 84 /* SyntaxKind.ClassKeyword */ &&
+                token() !== 59 /* SyntaxKind.AtToken */ &&
+                isStartOfExpression();
+        }
+        function parseExpression() {
+            // Expression[in]:
+            //      AssignmentExpression[in]
+            //      Expression[in] , AssignmentExpression[in]
+            // clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator
+            var saveDecoratorContext = inDecoratorContext();
+            if (saveDecoratorContext) {
+                setDecoratorContext(/*val*/ false);
+            }
+            var pos = getNodePos();
+            var expr = parseAssignmentExpressionOrHigher();
+            var operatorToken;
+            while ((operatorToken = parseOptionalToken(27 /* SyntaxKind.CommaToken */))) {
+                expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher(), pos);
+            }
+            if (saveDecoratorContext) {
+                setDecoratorContext(/*val*/ true);
+            }
+            return expr;
+        }
+        function parseInitializer() {
+            return parseOptional(63 /* SyntaxKind.EqualsToken */) ? parseAssignmentExpressionOrHigher() : undefined;
+        }
+        function parseAssignmentExpressionOrHigher() {
+            //  AssignmentExpression[in,yield]:
+            //      1) ConditionalExpression[?in,?yield]
+            //      2) LeftHandSideExpression = AssignmentExpression[?in,?yield]
+            //      3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield]
+            //      4) ArrowFunctionExpression[?in,?yield]
+            //      5) AsyncArrowFunctionExpression[in,yield,await]
+            //      6) [+Yield] YieldExpression[?In]
+            //
+            // Note: for ease of implementation we treat productions '2' and '3' as the same thing.
+            // (i.e. they're both BinaryExpressions with an assignment operator in it).
+            // First, do the simple check if we have a YieldExpression (production '6').
+            if (isYieldExpression()) {
+                return parseYieldExpression();
+            }
+            // Then, check if we have an arrow function (production '4' and '5') that starts with a parenthesized
+            // parameter list or is an async arrow function.
+            // AsyncArrowFunctionExpression:
+            //      1) async[no LineTerminator here]AsyncArrowBindingIdentifier[?Yield][no LineTerminator here]=>AsyncConciseBody[?In]
+            //      2) CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await][no LineTerminator here]=>AsyncConciseBody[?In]
+            // Production (1) of AsyncArrowFunctionExpression is parsed in "tryParseAsyncSimpleArrowFunctionExpression".
+            // And production (2) is parsed in "tryParseParenthesizedArrowFunctionExpression".
+            //
+            // If we do successfully parse arrow-function, we must *not* recurse for productions 1, 2 or 3. An ArrowFunction is
+            // not a LeftHandSideExpression, nor does it start a ConditionalExpression.  So we are done
+            // with AssignmentExpression if we see one.
+            var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression();
+            if (arrowExpression) {
+                return arrowExpression;
+            }
+            // Now try to see if we're in production '1', '2' or '3'.  A conditional expression can
+            // start with a LogicalOrExpression, while the assignment productions can only start with
+            // LeftHandSideExpressions.
+            //
+            // So, first, we try to just parse out a BinaryExpression.  If we get something that is a
+            // LeftHandSide or higher, then we can try to parse out the assignment expression part.
+            // Otherwise, we try to parse out the conditional expression bit.  We want to allow any
+            // binary expression here, so we pass in the 'lowest' precedence here so that it matches
+            // and consumes anything.
+            var pos = getNodePos();
+            var expr = parseBinaryExpressionOrHigher(0 /* OperatorPrecedence.Lowest */);
+            // To avoid a look-ahead, we did not handle the case of an arrow function with a single un-parenthesized
+            // parameter ('x => ...') above. We handle it here by checking if the parsed expression was a single
+            // identifier and the current token is an arrow.
+            if (expr.kind === 79 /* SyntaxKind.Identifier */ && token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                return parseSimpleArrowFunctionExpression(pos, expr, /*asyncModifier*/ undefined);
+            }
+            // Now see if we might be in cases '2' or '3'.
+            // If the expression was a LHS expression, and we have an assignment operator, then
+            // we're in '2' or '3'. Consume the assignment and return.
+            //
+            // Note: we call reScanGreaterToken so that we get an appropriately merged token
+            // for cases like `> > =` becoming `>>=`
+            if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) {
+                return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher(), pos);
+            }
+            // It wasn't an assignment or a lambda.  This is a conditional expression:
+            return parseConditionalExpressionRest(expr, pos);
+        }
+        function isYieldExpression() {
+            if (token() === 125 /* SyntaxKind.YieldKeyword */) {
+                // If we have a 'yield' keyword, and this is a context where yield expressions are
+                // allowed, then definitely parse out a yield expression.
+                if (inYieldContext()) {
+                    return true;
+                }
+                // We're in a context where 'yield expr' is not allowed.  However, if we can
+                // definitely tell that the user was trying to parse a 'yield expr' and not
+                // just a normal expr that start with a 'yield' identifier, then parse out
+                // a 'yield expr'.  We can then report an error later that they are only
+                // allowed in generator expressions.
+                //
+                // for example, if we see 'yield(foo)', then we'll have to treat that as an
+                // invocation expression of something called 'yield'.  However, if we have
+                // 'yield foo' then that is not legal as a normal expression, so we can
+                // definitely recognize this as a yield expression.
+                //
+                // for now we just check if the next token is an identifier.  More heuristics
+                // can be added here later as necessary.  We just need to make sure that we
+                // don't accidentally consume something legal.
+                return lookAhead(nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine);
+            }
+            return false;
+        }
+        function nextTokenIsIdentifierOnSameLine() {
+            nextToken();
+            return !scanner.hasPrecedingLineBreak() && isIdentifier();
+        }
+        function parseYieldExpression() {
+            var pos = getNodePos();
+            // YieldExpression[In] :
+            //      yield
+            //      yield [no LineTerminator here] [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield]
+            //      yield [no LineTerminator here] * [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield]
+            nextToken();
+            if (!scanner.hasPrecedingLineBreak() &&
+                (token() === 41 /* SyntaxKind.AsteriskToken */ || isStartOfExpression())) {
+                return finishNode(factory.createYieldExpression(parseOptionalToken(41 /* SyntaxKind.AsteriskToken */), parseAssignmentExpressionOrHigher()), pos);
+            }
+            else {
+                // if the next token is not on the same line as yield.  or we don't have an '*' or
+                // the start of an expression, then this is just a simple "yield" expression.
+                return finishNode(factory.createYieldExpression(/*asteriskToken*/ undefined, /*expression*/ undefined), pos);
+            }
+        }
+        function parseSimpleArrowFunctionExpression(pos, identifier, asyncModifier) {
+            ts.Debug.assert(token() === 38 /* SyntaxKind.EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>");
+            var parameter = factory.createParameterDeclaration(
+            /*decorators*/ undefined, 
+            /*modifiers*/ undefined, 
+            /*dotDotDotToken*/ undefined, identifier, 
+            /*questionToken*/ undefined, 
+            /*type*/ undefined, 
+            /*initializer*/ undefined);
+            finishNode(parameter, identifier.pos);
+            var parameters = createNodeArray([parameter], parameter.pos, parameter.end);
+            var equalsGreaterThanToken = parseExpectedToken(38 /* SyntaxKind.EqualsGreaterThanToken */);
+            var body = parseArrowFunctionExpressionBody(/*isAsync*/ !!asyncModifier);
+            var node = factory.createArrowFunction(asyncModifier, /*typeParameters*/ undefined, parameters, /*type*/ undefined, equalsGreaterThanToken, body);
+            return addJSDocComment(finishNode(node, pos));
+        }
+        function tryParseParenthesizedArrowFunctionExpression() {
+            var triState = isParenthesizedArrowFunctionExpression();
+            if (triState === 0 /* Tristate.False */) {
+                // It's definitely not a parenthesized arrow function expression.
+                return undefined;
+            }
+            // If we definitely have an arrow function, then we can just parse one, not requiring a
+            // following => or { token. Otherwise, we *might* have an arrow function.  Try to parse
+            // it out, but don't allow any ambiguity, and return 'undefined' if this could be an
+            // expression instead.
+            return triState === 1 /* Tristate.True */ ?
+                parseParenthesizedArrowFunctionExpression(/*allowAmbiguity*/ true) :
+                tryParse(parsePossibleParenthesizedArrowFunctionExpression);
+        }
+        //  True        -> We definitely expect a parenthesized arrow function here.
+        //  False       -> There *cannot* be a parenthesized arrow function here.
+        //  Unknown     -> There *might* be a parenthesized arrow function here.
+        //                 Speculatively look ahead to be sure, and rollback if not.
+        function isParenthesizedArrowFunctionExpression() {
+            if (token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */ || token() === 131 /* SyntaxKind.AsyncKeyword */) {
+                return lookAhead(isParenthesizedArrowFunctionExpressionWorker);
+            }
+            if (token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                // ERROR RECOVERY TWEAK:
+                // If we see a standalone => try to parse it as an arrow function expression as that's
+                // likely what the user intended to write.
+                return 1 /* Tristate.True */;
+            }
+            // Definitely not a parenthesized arrow function.
+            return 0 /* Tristate.False */;
+        }
+        function isParenthesizedArrowFunctionExpressionWorker() {
+            if (token() === 131 /* SyntaxKind.AsyncKeyword */) {
+                nextToken();
+                if (scanner.hasPrecedingLineBreak()) {
+                    return 0 /* Tristate.False */;
+                }
+                if (token() !== 20 /* SyntaxKind.OpenParenToken */ && token() !== 29 /* SyntaxKind.LessThanToken */) {
+                    return 0 /* Tristate.False */;
+                }
+            }
+            var first = token();
+            var second = nextToken();
+            if (first === 20 /* SyntaxKind.OpenParenToken */) {
+                if (second === 21 /* SyntaxKind.CloseParenToken */) {
+                    // Simple cases: "() =>", "(): ", and "() {".
+                    // This is an arrow function with no parameters.
+                    // The last one is not actually an arrow function,
+                    // but this is probably what the user intended.
+                    var third = nextToken();
+                    switch (third) {
+                        case 38 /* SyntaxKind.EqualsGreaterThanToken */:
+                        case 58 /* SyntaxKind.ColonToken */:
+                        case 18 /* SyntaxKind.OpenBraceToken */:
+                            return 1 /* Tristate.True */;
+                        default:
+                            return 0 /* Tristate.False */;
+                    }
+                }
+                // If encounter "([" or "({", this could be the start of a binding pattern.
+                // Examples:
+                //      ([ x ]) => { }
+                //      ({ x }) => { }
+                //      ([ x ])
+                //      ({ x })
+                if (second === 22 /* SyntaxKind.OpenBracketToken */ || second === 18 /* SyntaxKind.OpenBraceToken */) {
+                    return 2 /* Tristate.Unknown */;
+                }
+                // Simple case: "(..."
+                // This is an arrow function with a rest parameter.
+                if (second === 25 /* SyntaxKind.DotDotDotToken */) {
+                    return 1 /* Tristate.True */;
+                }
+                // Check for "(xxx yyy", where xxx is a modifier and yyy is an identifier. This
+                // isn't actually allowed, but we want to treat it as a lambda so we can provide
+                // a good error message.
+                if (ts.isModifierKind(second) && second !== 131 /* SyntaxKind.AsyncKeyword */ && lookAhead(nextTokenIsIdentifier)) {
+                    if (lookAhead(function () { return nextToken() === 127 /* SyntaxKind.AsKeyword */; })) {
+                        // https://github.com/microsoft/TypeScript/issues/44466
+                        return 0 /* Tristate.False */;
+                    }
+                    return 1 /* Tristate.True */;
+                }
+                // If we had "(" followed by something that's not an identifier,
+                // then this definitely doesn't look like a lambda.  "this" is not
+                // valid, but we want to parse it and then give a semantic error.
+                if (!isIdentifier() && second !== 108 /* SyntaxKind.ThisKeyword */) {
+                    return 0 /* Tristate.False */;
+                }
+                switch (nextToken()) {
+                    case 58 /* SyntaxKind.ColonToken */:
+                        // If we have something like "(a:", then we must have a
+                        // type-annotated parameter in an arrow function expression.
+                        return 1 /* Tristate.True */;
+                    case 57 /* SyntaxKind.QuestionToken */:
+                        nextToken();
+                        // If we have "(a?:" or "(a?," or "(a?=" or "(a?)" then it is definitely a lambda.
+                        if (token() === 58 /* SyntaxKind.ColonToken */ || token() === 27 /* SyntaxKind.CommaToken */ || token() === 63 /* SyntaxKind.EqualsToken */ || token() === 21 /* SyntaxKind.CloseParenToken */) {
+                            return 1 /* Tristate.True */;
+                        }
+                        // Otherwise it is definitely not a lambda.
+                        return 0 /* Tristate.False */;
+                    case 27 /* SyntaxKind.CommaToken */:
+                    case 63 /* SyntaxKind.EqualsToken */:
+                    case 21 /* SyntaxKind.CloseParenToken */:
+                        // If we have "(a," or "(a=" or "(a)" this *could* be an arrow function
+                        return 2 /* Tristate.Unknown */;
+                }
+                // It is definitely not an arrow function
+                return 0 /* Tristate.False */;
+            }
+            else {
+                ts.Debug.assert(first === 29 /* SyntaxKind.LessThanToken */);
+                // If we have "<" not followed by an identifier,
+                // then this definitely is not an arrow function.
+                if (!isIdentifier()) {
+                    return 0 /* Tristate.False */;
+                }
+                // JSX overrides
+                if (languageVariant === 1 /* LanguageVariant.JSX */) {
+                    var isArrowFunctionInJsx = lookAhead(function () {
+                        var third = nextToken();
+                        if (third === 94 /* SyntaxKind.ExtendsKeyword */) {
+                            var fourth = nextToken();
+                            switch (fourth) {
+                                case 63 /* SyntaxKind.EqualsToken */:
+                                case 31 /* SyntaxKind.GreaterThanToken */:
+                                    return false;
+                                default:
+                                    return true;
+                            }
+                        }
+                        else if (third === 27 /* SyntaxKind.CommaToken */ || third === 63 /* SyntaxKind.EqualsToken */) {
+                            return true;
+                        }
+                        return false;
+                    });
+                    if (isArrowFunctionInJsx) {
+                        return 1 /* Tristate.True */;
+                    }
+                    return 0 /* Tristate.False */;
+                }
+                // This *could* be a parenthesized arrow function.
+                return 2 /* Tristate.Unknown */;
+            }
+        }
+        function parsePossibleParenthesizedArrowFunctionExpression() {
+            var tokenPos = scanner.getTokenPos();
+            if (notParenthesizedArrow === null || notParenthesizedArrow === void 0 ? void 0 : notParenthesizedArrow.has(tokenPos)) {
+                return undefined;
+            }
+            var result = parseParenthesizedArrowFunctionExpression(/*allowAmbiguity*/ false);
+            if (!result) {
+                (notParenthesizedArrow || (notParenthesizedArrow = new ts.Set())).add(tokenPos);
+            }
+            return result;
+        }
+        function tryParseAsyncSimpleArrowFunctionExpression() {
+            // We do a check here so that we won't be doing unnecessarily call to "lookAhead"
+            if (token() === 131 /* SyntaxKind.AsyncKeyword */) {
+                if (lookAhead(isUnParenthesizedAsyncArrowFunctionWorker) === 1 /* Tristate.True */) {
+                    var pos = getNodePos();
+                    var asyncModifier = parseModifiersForArrowFunction();
+                    var expr = parseBinaryExpressionOrHigher(0 /* OperatorPrecedence.Lowest */);
+                    return parseSimpleArrowFunctionExpression(pos, expr, asyncModifier);
+                }
+            }
+            return undefined;
+        }
+        function isUnParenthesizedAsyncArrowFunctionWorker() {
+            // AsyncArrowFunctionExpression:
+            //      1) async[no LineTerminator here]AsyncArrowBindingIdentifier[?Yield][no LineTerminator here]=>AsyncConciseBody[?In]
+            //      2) CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await][no LineTerminator here]=>AsyncConciseBody[?In]
+            if (token() === 131 /* SyntaxKind.AsyncKeyword */) {
+                nextToken();
+                // If the "async" is followed by "=>" token then it is not a beginning of an async arrow-function
+                // but instead a simple arrow-function which will be parsed inside "parseAssignmentExpressionOrHigher"
+                if (scanner.hasPrecedingLineBreak() || token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                    return 0 /* Tristate.False */;
+                }
+                // Check for un-parenthesized AsyncArrowFunction
+                var expr = parseBinaryExpressionOrHigher(0 /* OperatorPrecedence.Lowest */);
+                if (!scanner.hasPrecedingLineBreak() && expr.kind === 79 /* SyntaxKind.Identifier */ && token() === 38 /* SyntaxKind.EqualsGreaterThanToken */) {
+                    return 1 /* Tristate.True */;
+                }
+            }
+            return 0 /* Tristate.False */;
+        }
+        function parseParenthesizedArrowFunctionExpression(allowAmbiguity) {
+            var pos = getNodePos();
+            var hasJSDoc = hasPrecedingJSDocComment();
+            var modifiers = parseModifiersForArrowFunction();
+            var isAsync = ts.some(modifiers, ts.isAsyncModifier) ? 2 /* SignatureFlags.Await */ : 0 /* SignatureFlags.None */;
+            // Arrow functions are never generators.
+            //
+            // If we're speculatively parsing a signature for a parenthesized arrow function, then
+            // we have to have a complete parameter list.  Otherwise we might see something like
+            // a => (b => c)
+            // And think that "(b =>" was actually a parenthesized arrow function with a missing
+            // close paren.
+            var typeParameters = parseTypeParameters();
+            var parameters;
+            if (!parseExpected(20 /* SyntaxKind.OpenParenToken */)) {
+                if (!allowAmbiguity) {
+                    return undefined;
+                }
+                parameters = createMissingList();
+            }
+            else {
+                if (!allowAmbiguity) {
+                    var maybeParameters = parseParametersWorker(isAsync, allowAmbiguity);
+                    if (!maybeParameters) {
+                        return undefined;
+                    }
+                    parameters = maybeParameters;
+                }
+                else {
+                    parameters = parseParametersWorker(isAsync, allowAmbiguity);
+                }
+                if (!parseExpected(21 /* SyntaxKind.CloseParenToken */) && !allowAmbiguity) {
+                    return undefined;
+                }
+            }
+            var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false);
+            if (type && !allowAmbiguity && typeHasArrowFunctionBlockingParseError(type)) {
+                return undefined;
+            }
+            // Parsing a signature isn't enough.
+            // Parenthesized arrow signatures often look like other valid expressions.
+            // For instance:
+            //  - "(x = 10)" is an assignment expression parsed as a signature with a default parameter value.
+            //  - "(x,y)" is a comma expression parsed as a signature with two parameters.
+            //  - "a ? (b): c" will have "(b):" parsed as a signature with a return type annotation.
+            //  - "a ? (b): function() {}" will too, since function() is a valid JSDoc function type.
+            //  - "a ? (b): (function() {})" as well, but inside of a parenthesized type with an arbitrary amount of nesting.
+            //
+            // So we need just a bit of lookahead to ensure that it can only be a signature.
+            var unwrappedType = type;
+            while ((unwrappedType === null || unwrappedType === void 0 ? void 0 : unwrappedType.kind) === 191 /* SyntaxKind.ParenthesizedType */) {
+                unwrappedType = unwrappedType.type; // Skip parens if need be
+            }
+            var hasJSDocFunctionType = unwrappedType && ts.isJSDocFunctionType(unwrappedType);
+            if (!allowAmbiguity && token() !== 38 /* SyntaxKind.EqualsGreaterThanToken */ && (hasJSDocFunctionType || token() !== 18 /* SyntaxKind.OpenBraceToken */)) {
+                // Returning undefined here will cause our caller to rewind to where we started from.
+                return undefined;
+            }
+            // If we have an arrow, then try to parse the body. Even if not, try to parse if we
+            // have an opening brace, just in case we're in an error state.
+            var lastToken = token();
+            var equalsGreaterThanToken = parseExpectedToken(38 /* SyntaxKind.EqualsGreaterThanToken */);
+            var body = (lastToken === 38 /* SyntaxKind.EqualsGreaterThanToken */ || lastToken === 18 /* SyntaxKind.OpenBraceToken */)
+                ? parseArrowFunctionExpressionBody(ts.some(modifiers, ts.isAsyncModifier))
+                : parseIdentifier();
+            var node = factory.createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body);
+            return withJSDoc(finishNode(node, pos), hasJSDoc);
+        }
+        function parseArrowFunctionExpressionBody(isAsync) {
+            if (token() === 18 /* SyntaxKind.OpenBraceToken */) {
+                return parseFunctionBlock(isAsync ? 2 /* SignatureFlags.Await */ : 0 /* SignatureFlags.None */);
+            }
+            if (token() !== 26 /* SyntaxKind.SemicolonToken */ &&
+                token() !== 98 /* SyntaxKind.FunctionKeyword */ &&
+                token() !== 84 /* SyntaxKind.ClassKeyword */ &&
+                isStartOfStatement() &&
+                !isStartOfExpressionStatement()) {
+                // Check if we got a plain statement (i.e. no expression-statements, no function/class expressions/declarations)
+                //
+                // Here we try to recover from a potential error situation in the case where the
+                // user meant to supply a block. For example, if the user wrote:
+                //
+                //  a =>
+                //      let v = 0;
+                //  }
+                //
+                // they may be missing an open brace.  Check to see if that's the case so we can
+                // try to recover better.  If we don't do this, then the next close curly we see may end
+                // up preemptively closing the containing construct.
+                //
+                // Note: even when 'IgnoreMissingOpenBrace' is passed, parseBody will still error.
+                return parseFunctionBlock(16 /* SignatureFlags.IgnoreMissingOpenBrace */ | (isAsync ? 2 /* SignatureFlags.Await */ : 0 /* SignatureFlags.None */));
+            }
+            var savedTopLevel = topLevel;
+            topLevel = false;
+            var node = isAsync
+                ? doInAwaitContext(parseAssignmentExpressionOrHigher)
+                : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher);
+            topLevel = savedTopLevel;
+            return node;
+        }
+        function parseConditionalExpressionRest(leftOperand, pos) {
+            // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher.
+            var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */);
+            if (!questionToken) {
+                return leftOperand;
+            }
+            // Note: we explicitly 'allowIn' in the whenTrue part of the condition expression, and
+            // we do not that for the 'whenFalse' part.
+            var colonToken;
+            return finishNode(factory.createConditionalExpression(leftOperand, questionToken, doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher), colonToken = parseExpectedToken(58 /* SyntaxKind.ColonToken */), ts.nodeIsPresent(colonToken)
+                ? parseAssignmentExpressionOrHigher()
+                : createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(58 /* SyntaxKind.ColonToken */))), pos);
+        }
+        function parseBinaryExpressionOrHigher(precedence) {
+            var pos = getNodePos();
+            var leftOperand = parseUnaryExpressionOrHigher();
+            return parseBinaryExpressionRest(precedence, leftOperand, pos);
+        }
+        function isInOrOfKeyword(t) {
+            return t === 101 /* SyntaxKind.InKeyword */ || t === 160 /* SyntaxKind.OfKeyword */;
+        }
+        function parseBinaryExpressionRest(precedence, leftOperand, pos) {
+            while (true) {
+                // We either have a binary operator here, or we're finished.  We call
+                // reScanGreaterToken so that we merge token sequences like > and = into >=
+                reScanGreaterToken();
+                var newPrecedence = ts.getBinaryOperatorPrecedence(token());
+                // Check the precedence to see if we should "take" this operator
+                // - For left associative operator (all operator but **), consume the operator,
+                //   recursively call the function below, and parse binaryExpression as a rightOperand
+                //   of the caller if the new precedence of the operator is greater then or equal to the current precedence.
+                //   For example:
+                //      a - b - c;
+                //            ^token; leftOperand = b. Return b to the caller as a rightOperand
+                //      a * b - c
+                //            ^token; leftOperand = b. Return b to the caller as a rightOperand
+                //      a - b * c;
+                //            ^token; leftOperand = b. Return b * c to the caller as a rightOperand
+                // - For right associative operator (**), consume the operator, recursively call the function
+                //   and parse binaryExpression as a rightOperand of the caller if the new precedence of
+                //   the operator is strictly grater than the current precedence
+                //   For example:
+                //      a ** b ** c;
+                //             ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand
+                //      a - b ** c;
+                //            ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand
+                //      a ** b - c
+                //             ^token; leftOperand = b. Return b to the caller as a rightOperand
+                var consumeCurrentOperator = token() === 42 /* SyntaxKind.AsteriskAsteriskToken */ ?
+                    newPrecedence >= precedence :
+                    newPrecedence > precedence;
+                if (!consumeCurrentOperator) {
+                    break;
+                }
+                if (token() === 101 /* SyntaxKind.InKeyword */ && inDisallowInContext()) {
+                    break;
+                }
+                if (token() === 127 /* SyntaxKind.AsKeyword */) {
+                    // Make sure we *do* perform ASI for constructs like this:
+                    //    var x = foo
+                    //    as (Bar)
+                    // This should be parsed as an initialized variable, followed
+                    // by a function call to 'as' with the argument 'Bar'
+                    if (scanner.hasPrecedingLineBreak()) {
+                        break;
+                    }
+                    else {
+                        nextToken();
+                        leftOperand = makeAsExpression(leftOperand, parseType());
+                    }
+                }
+                else {
+                    leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence), pos);
+                }
+            }
+            return leftOperand;
+        }
+        function isBinaryOperator() {
+            if (inDisallowInContext() && token() === 101 /* SyntaxKind.InKeyword */) {
+                return false;
+            }
+            return ts.getBinaryOperatorPrecedence(token()) > 0;
+        }
+        function makeBinaryExpression(left, operatorToken, right, pos) {
+            return finishNode(factory.createBinaryExpression(left, operatorToken, right), pos);
+        }
+        function makeAsExpression(left, right) {
+            return finishNode(factory.createAsExpression(left, right), left.pos);
+        }
+        function parsePrefixUnaryExpression() {
+            var pos = getNodePos();
+            return finishNode(factory.createPrefixUnaryExpression(token(), nextTokenAnd(parseSimpleUnaryExpression)), pos);
+        }
+        function parseDeleteExpression() {
+            var pos = getNodePos();
+            return finishNode(factory.createDeleteExpression(nextTokenAnd(parseSimpleUnaryExpression)), pos);
+        }
+        function parseTypeOfExpression() {
+            var pos = getNodePos();
+            return finishNode(factory.createTypeOfExpression(nextTokenAnd(parseSimpleUnaryExpression)), pos);
+        }
+        function parseVoidExpression() {
+            var pos = getNodePos();
+            return finishNode(factory.createVoidExpression(nextTokenAnd(parseSimpleUnaryExpression)), pos);
+        }
+        function isAwaitExpression() {
+            if (token() === 132 /* SyntaxKind.AwaitKeyword */) {
+                if (inAwaitContext()) {
+                    return true;
+                }
+                // here we are using similar heuristics as 'isYieldExpression'
+                return lookAhead(nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine);
+            }
+            return false;
+        }
+        function parseAwaitExpression() {
+            var pos = getNodePos();
+            return finishNode(factory.createAwaitExpression(nextTokenAnd(parseSimpleUnaryExpression)), pos);
+        }
+        /**
+         * Parse ES7 exponential expression and await expression
+         *
+         * ES7 ExponentiationExpression:
+         *      1) UnaryExpression[?Yield]
+         *      2) UpdateExpression[?Yield] ** ExponentiationExpression[?Yield]
+         *
+         */
+        function parseUnaryExpressionOrHigher() {
+            /**
+             * ES7 UpdateExpression:
+             *      1) LeftHandSideExpression[?Yield]
+             *      2) LeftHandSideExpression[?Yield][no LineTerminator here]++
+             *      3) LeftHandSideExpression[?Yield][no LineTerminator here]--
+             *      4) ++UnaryExpression[?Yield]
+             *      5) --UnaryExpression[?Yield]
+             */
+            if (isUpdateExpression()) {
+                var pos = getNodePos();
+                var updateExpression = parseUpdateExpression();
+                return token() === 42 /* SyntaxKind.AsteriskAsteriskToken */ ?
+                    parseBinaryExpressionRest(ts.getBinaryOperatorPrecedence(token()), updateExpression, pos) :
+                    updateExpression;
+            }
+            /**
+             * ES7 UnaryExpression:
+             *      1) UpdateExpression[?yield]
+             *      2) delete UpdateExpression[?yield]
+             *      3) void UpdateExpression[?yield]
+             *      4) typeof UpdateExpression[?yield]
+             *      5) + UpdateExpression[?yield]
+             *      6) - UpdateExpression[?yield]
+             *      7) ~ UpdateExpression[?yield]
+             *      8) ! UpdateExpression[?yield]
+             */
+            var unaryOperator = token();
+            var simpleUnaryExpression = parseSimpleUnaryExpression();
+            if (token() === 42 /* SyntaxKind.AsteriskAsteriskToken */) {
+                var pos = ts.skipTrivia(sourceText, simpleUnaryExpression.pos);
+                var end = simpleUnaryExpression.end;
+                if (simpleUnaryExpression.kind === 211 /* SyntaxKind.TypeAssertionExpression */) {
+                    parseErrorAt(pos, end, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses);
+                }
+                else {
+                    parseErrorAt(pos, end, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator));
+                }
+            }
+            return simpleUnaryExpression;
+        }
+        /**
+         * Parse ES7 simple-unary expression or higher:
+         *
+         * ES7 UnaryExpression:
+         *      1) UpdateExpression[?yield]
+         *      2) delete UnaryExpression[?yield]
+         *      3) void UnaryExpression[?yield]
+         *      4) typeof UnaryExpression[?yield]
+         *      5) + UnaryExpression[?yield]
+         *      6) - UnaryExpression[?yield]
+         *      7) ~ UnaryExpression[?yield]
+         *      8) ! UnaryExpression[?yield]
+         *      9) [+Await] await UnaryExpression[?yield]
+         */
+        function parseSimpleUnaryExpression() {
+            switch (token()) {
+                case 39 /* SyntaxKind.PlusToken */:
+                case 40 /* SyntaxKind.MinusToken */:
+                case 54 /* SyntaxKind.TildeToken */:
+                case 53 /* SyntaxKind.ExclamationToken */:
+                    return parsePrefixUnaryExpression();
+                case 89 /* SyntaxKind.DeleteKeyword */:
+                    return parseDeleteExpression();
+                case 112 /* SyntaxKind.TypeOfKeyword */:
+                    return parseTypeOfExpression();
+                case 114 /* SyntaxKind.VoidKeyword */:
+                    return parseVoidExpression();
+                case 29 /* SyntaxKind.LessThanToken */:
+                    // This is modified UnaryExpression grammar in TypeScript
+                    //  UnaryExpression (modified):
+                    //      < type > UnaryExpression
+                    return parseTypeAssertion();
+                case 132 /* SyntaxKind.AwaitKeyword */:
+                    if (isAwaitExpression()) {
+                        return parseAwaitExpression();
+                    }
+                // falls through
+                default:
+                    return parseUpdateExpression();
+            }
+        }
+        /**
+         * Check if the current token can possibly be an ES7 increment expression.
+         *
+         * ES7 UpdateExpression:
+         *      LeftHandSideExpression[?Yield]
+         *      LeftHandSideExpression[?Yield][no LineTerminator here]++
+         *      LeftHandSideExpression[?Yield][no LineTerminator here]--
+         *      ++LeftHandSideExpression[?Yield]
+         *      --LeftHandSideExpression[?Yield]
+         */
+        function isUpdateExpression() {
+            // This function is called inside parseUnaryExpression to decide
+            // whether to call parseSimpleUnaryExpression or call parseUpdateExpression directly
+            switch (token()) {
+                case 39 /* SyntaxKind.PlusToken */:
+                case 40 /* SyntaxKind.MinusToken */:
+                case 54 /* SyntaxKind.TildeToken */:
+                case 53 /* SyntaxKind.ExclamationToken */:
+                case 89 /* SyntaxKind.DeleteKeyword */:
+                case 112 /* SyntaxKind.TypeOfKeyword */:
+                case 114 /* SyntaxKind.VoidKeyword */:
+                case 132 /* SyntaxKind.AwaitKeyword */:
+                    return false;
+                case 29 /* SyntaxKind.LessThanToken */:
+                    // If we are not in JSX context, we are parsing TypeAssertion which is an UnaryExpression
+                    if (languageVariant !== 1 /* LanguageVariant.JSX */) {
+                        return false;
+                    }
+                // We are in JSX context and the token is part of JSXElement.
+                // falls through
+                default:
+                    return true;
+            }
+        }
+        /**
+         * Parse ES7 UpdateExpression. UpdateExpression is used instead of ES6's PostFixExpression.
+         *
+         * ES7 UpdateExpression[yield]:
+         *      1) LeftHandSideExpression[?yield]
+         *      2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++
+         *      3) LeftHandSideExpression[?yield] [[no LineTerminator here]]--
+         *      4) ++LeftHandSideExpression[?yield]
+         *      5) --LeftHandSideExpression[?yield]
+         * In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
+         */
+        function parseUpdateExpression() {
+            if (token() === 45 /* SyntaxKind.PlusPlusToken */ || token() === 46 /* SyntaxKind.MinusMinusToken */) {
+                var pos = getNodePos();
+                return finishNode(factory.createPrefixUnaryExpression(token(), nextTokenAnd(parseLeftHandSideExpressionOrHigher)), pos);
+            }
+            else if (languageVariant === 1 /* LanguageVariant.JSX */ && token() === 29 /* SyntaxKind.LessThanToken */ && lookAhead(nextTokenIsIdentifierOrKeywordOrGreaterThan)) {
+                // JSXElement is part of primaryExpression
+                return parseJsxElementOrSelfClosingElementOrFragment(/*inExpressionContext*/ true);
+            }
+            var expression = parseLeftHandSideExpressionOrHigher();
+            ts.Debug.assert(ts.isLeftHandSideExpression(expression));
+            if ((token() === 45 /* SyntaxKind.PlusPlusToken */ || token() === 46 /* SyntaxKind.MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) {
+                var operator = token();
+                nextToken();
+                return finishNode(factory.createPostfixUnaryExpression(expression, operator), expression.pos);
+            }
+            return expression;
+        }
+        function parseLeftHandSideExpressionOrHigher() {
+            // Original Ecma:
+            // LeftHandSideExpression: See 11.2
+            //      NewExpression
+            //      CallExpression
+            //
+            // Our simplification:
+            //
+            // LeftHandSideExpression: See 11.2
+            //      MemberExpression
+            //      CallExpression
+            //
+            // See comment in parseMemberExpressionOrHigher on how we replaced NewExpression with
+            // MemberExpression to make our lives easier.
+            //
+            // to best understand the below code, it's important to see how CallExpression expands
+            // out into its own productions:
+            //
+            // CallExpression:
+            //      MemberExpression Arguments
+            //      CallExpression Arguments
+            //      CallExpression[Expression]
+            //      CallExpression.IdentifierName
+            //      import (AssignmentExpression)
+            //      super Arguments
+            //      super.IdentifierName
+            //
+            // Because of the recursion in these calls, we need to bottom out first. There are three
+            // bottom out states we can run into: 1) We see 'super' which must start either of
+            // the last two CallExpression productions. 2) We see 'import' which must start import call.
+            // 3)we have a MemberExpression which either completes the LeftHandSideExpression,
+            // or starts the beginning of the first four CallExpression productions.
+            var pos = getNodePos();
+            var expression;
+            if (token() === 100 /* SyntaxKind.ImportKeyword */) {
+                if (lookAhead(nextTokenIsOpenParenOrLessThan)) {
+                    // We don't want to eagerly consume all import keyword as import call expression so we look ahead to find "("
+                    // For example:
+                    //      var foo3 = require("subfolder
+                    //      import * as foo1 from "module-from-node
+                    // We want this import to be a statement rather than import call expression
+                    sourceFlags |= 2097152 /* NodeFlags.PossiblyContainsDynamicImport */;
+                    expression = parseTokenNode();
+                }
+                else if (lookAhead(nextTokenIsDot)) {
+                    // This is an 'import.*' metaproperty (i.e. 'import.meta')
+                    nextToken(); // advance past the 'import'
+                    nextToken(); // advance past the dot
+                    expression = finishNode(factory.createMetaProperty(100 /* SyntaxKind.ImportKeyword */, parseIdentifierName()), pos);
+                    sourceFlags |= 4194304 /* NodeFlags.PossiblyContainsImportMeta */;
+                }
+                else {
+                    expression = parseMemberExpressionOrHigher();
+                }
+            }
+            else {
+                expression = token() === 106 /* SyntaxKind.SuperKeyword */ ? parseSuperExpression() : parseMemberExpressionOrHigher();
+            }
+            // Now, we *may* be complete.  However, we might have consumed the start of a
+            // CallExpression or OptionalExpression.  As such, we need to consume the rest
+            // of it here to be complete.
+            return parseCallExpressionRest(pos, expression);
+        }
+        function parseMemberExpressionOrHigher() {
+            // Note: to make our lives simpler, we decompose the NewExpression productions and
+            // place ObjectCreationExpression and FunctionExpression into PrimaryExpression.
+            // like so:
+            //
+            //   PrimaryExpression : See 11.1
+            //      this
+            //      Identifier
+            //      Literal
+            //      ArrayLiteral
+            //      ObjectLiteral
+            //      (Expression)
+            //      FunctionExpression
+            //      new MemberExpression Arguments?
+            //
+            //   MemberExpression : See 11.2
+            //      PrimaryExpression
+            //      MemberExpression[Expression]
+            //      MemberExpression.IdentifierName
+            //
+            //   CallExpression : See 11.2
+            //      MemberExpression
+            //      CallExpression Arguments
+            //      CallExpression[Expression]
+            //      CallExpression.IdentifierName
+            //
+            // Technically this is ambiguous.  i.e. CallExpression defines:
+            //
+            //   CallExpression:
+            //      CallExpression Arguments
+            //
+            // If you see: "new Foo()"
+            //
+            // Then that could be treated as a single ObjectCreationExpression, or it could be
+            // treated as the invocation of "new Foo".  We disambiguate that in code (to match
+            // the original grammar) by making sure that if we see an ObjectCreationExpression
+            // we always consume arguments if they are there. So we treat "new Foo()" as an
+            // object creation only, and not at all as an invocation.  Another way to think
+            // about this is that for every "new" that we see, we will consume an argument list if
+            // it is there as part of the *associated* object creation node.  Any additional
+            // argument lists we see, will become invocation expressions.
+            //
+            // Because there are no other places in the grammar now that refer to FunctionExpression
+            // or ObjectCreationExpression, it is safe to push down into the PrimaryExpression
+            // production.
+            //
+            // Because CallExpression and MemberExpression are left recursive, we need to bottom out
+            // of the recursion immediately.  So we parse out a primary expression to start with.
+            var pos = getNodePos();
+            var expression = parsePrimaryExpression();
+            return parseMemberExpressionRest(pos, expression, /*allowOptionalChain*/ true);
+        }
+        function parseSuperExpression() {
+            var pos = getNodePos();
+            var expression = parseTokenNode();
+            if (token() === 29 /* SyntaxKind.LessThanToken */) {
+                var startPos = getNodePos();
+                var typeArguments = tryParse(parseTypeArgumentsInExpression);
+                if (typeArguments !== undefined) {
+                    parseErrorAt(startPos, getNodePos(), ts.Diagnostics.super_may_not_use_type_arguments);
+                }
+            }
+            if (token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 24 /* SyntaxKind.DotToken */ || token() === 22 /* SyntaxKind.OpenBracketToken */) {
+                return expression;
+            }
+            // If we have seen "super" it must be followed by '(' or '.'.
+            // If it wasn't then just try to parse out a '.' and report an error.
+            parseExpectedToken(24 /* SyntaxKind.DotToken */, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access);
+            // private names will never work with `super` (`super.#foo`), but that's a semantic error, not syntactic
+            return finishNode(factory.createPropertyAccessExpression(expression, parseRightSideOfDot(/*allowIdentifierNames*/ true, /*allowPrivateIdentifiers*/ true)), pos);
+        }
+        function parseJsxElementOrSelfClosingElementOrFragment(inExpressionContext, topInvalidNodePosition, openingTag) {
+            var pos = getNodePos();
+            var opening = parseJsxOpeningOrSelfClosingElementOrOpeningFragment(inExpressionContext);
+            var result;
+            if (opening.kind === 280 /* SyntaxKind.JsxOpeningElement */) {
+                var children = parseJsxChildren(opening);
+                var closingElement = void 0;
+                var lastChild = children[children.length - 1];
+                if ((lastChild === null || lastChild === void 0 ? void 0 : lastChild.kind) === 278 /* SyntaxKind.JsxElement */
+                    && !tagNamesAreEquivalent(lastChild.openingElement.tagName, lastChild.closingElement.tagName)
+                    && tagNamesAreEquivalent(opening.tagName, lastChild.closingElement.tagName)) {
+                    // when an unclosed JsxOpeningElement incorrectly parses its parent's JsxClosingElement,
+                    // restructure (
    (......
    )) --> (
    (......)
    )
+                    // (no need to error; the parent will error)
+                    var end = lastChild.children.end;
+                    var newLast = finishNode(factory.createJsxElement(lastChild.openingElement, lastChild.children, finishNode(factory.createJsxClosingElement(finishNode(factory.createIdentifier(""), end, end)), end, end)), lastChild.openingElement.pos, end);
+                    children = createNodeArray(__spreadArray(__spreadArray([], children.slice(0, children.length - 1), true), [newLast], false), children.pos, end);
+                    closingElement = lastChild.closingElement;
+                }
+                else {
+                    closingElement = parseJsxClosingElement(opening, inExpressionContext);
+                    if (!tagNamesAreEquivalent(opening.tagName, closingElement.tagName)) {
+                        if (openingTag && ts.isJsxOpeningElement(openingTag) && tagNamesAreEquivalent(closingElement.tagName, openingTag.tagName)) {
+                            // opening incorrectly matched with its parent's closing -- put error on opening
+                            parseErrorAtRange(opening.tagName, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, opening.tagName));
+                        }
+                        else {
+                            // other opening/closing mismatches -- put error on closing
+                            parseErrorAtRange(closingElement.tagName, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, opening.tagName));
+                        }
+                    }
+                }
+                result = finishNode(factory.createJsxElement(opening, children, closingElement), pos);
+            }
+            else if (opening.kind === 283 /* SyntaxKind.JsxOpeningFragment */) {
+                result = finishNode(factory.createJsxFragment(opening, parseJsxChildren(opening), parseJsxClosingFragment(inExpressionContext)), pos);
+            }
+            else {
+                ts.Debug.assert(opening.kind === 279 /* SyntaxKind.JsxSelfClosingElement */);
+                // Nothing else to do for self-closing elements
+                result = opening;
+            }
+            // If the user writes the invalid code '
    ' in an expression context (i.e. not wrapped in
+            // an enclosing tag), we'll naively try to parse   ^ this as a 'less than' operator and the remainder of the tag
+            // as garbage, which will cause the formatter to badly mangle the JSX. Perform a speculative parse of a JSX
+            // element if we see a < token so that we can wrap it in a synthetic binary expression so the formatter
+            // does less damage and we can report a better error.
+            // Since JSX elements are invalid < operands anyway, this lookahead parse will only occur in error scenarios
+            // of one sort or another.
+            if (inExpressionContext && token() === 29 /* SyntaxKind.LessThanToken */) {
+                var topBadPos_1 = typeof topInvalidNodePosition === "undefined" ? result.pos : topInvalidNodePosition;
+                var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElementOrFragment(/*inExpressionContext*/ true, topBadPos_1); });
+                if (invalidElement) {
+                    var operatorToken = createMissingNode(27 /* SyntaxKind.CommaToken */, /*reportAtCurrentPosition*/ false);
+                    ts.setTextRangePosWidth(operatorToken, invalidElement.pos, 0);
+                    parseErrorAt(ts.skipTrivia(sourceText, topBadPos_1), invalidElement.end, ts.Diagnostics.JSX_expressions_must_have_one_parent_element);
+                    return finishNode(factory.createBinaryExpression(result, operatorToken, invalidElement), pos);
+                }
+            }
+            return result;
+        }
+        function parseJsxText() {
+            var pos = getNodePos();
+            var node = factory.createJsxText(scanner.getTokenValue(), currentToken === 12 /* SyntaxKind.JsxTextAllWhiteSpaces */);
+            currentToken = scanner.scanJsxToken();
+            return finishNode(node, pos);
+        }
+        function parseJsxChild(openingTag, token) {
+            switch (token) {
+                case 1 /* SyntaxKind.EndOfFileToken */:
+                    // If we hit EOF, issue the error at the tag that lacks the closing element
+                    // rather than at the end of the file (which is useless)
+                    if (ts.isJsxOpeningFragment(openingTag)) {
+                        parseErrorAtRange(openingTag, ts.Diagnostics.JSX_fragment_has_no_corresponding_closing_tag);
+                    }
+                    else {
+                        // We want the error span to cover only 'Foo.Bar' in < Foo.Bar >
+                        // or to cover only 'Foo' in < Foo >
+                        var tag = openingTag.tagName;
+                        var start = ts.skipTrivia(sourceText, tag.pos);
+                        parseErrorAt(start, tag.end, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTag.tagName));
+                    }
+                    return undefined;
+                case 30 /* SyntaxKind.LessThanSlashToken */:
+                case 7 /* SyntaxKind.ConflictMarkerTrivia */:
+                    return undefined;
+                case 11 /* SyntaxKind.JsxText */:
+                case 12 /* SyntaxKind.JsxTextAllWhiteSpaces */:
+                    return parseJsxText();
+                case 18 /* SyntaxKind.OpenBraceToken */:
+                    return parseJsxExpression(/*inExpressionContext*/ false);
+                case 29 /* SyntaxKind.LessThanToken */:
+                    return parseJsxElementOrSelfClosingElementOrFragment(/*inExpressionContext*/ false, /*topInvalidNodePosition*/ undefined, openingTag);
+                default:
+                    return ts.Debug.assertNever(token);
+            }
+        }
+        function parseJsxChildren(openingTag) {
+            var list = [];
+            var listPos = getNodePos();
+            var saveParsingContext = parsingContext;
+            parsingContext |= 1 << 14 /* ParsingContext.JsxChildren */;
+            while (true) {
+                var child = parseJsxChild(openingTag, currentToken = scanner.reScanJsxToken());
+                if (!child)
+                    break;
+                list.push(child);
+                if (ts.isJsxOpeningElement(openingTag)
+                    && (child === null || child === void 0 ? void 0 : child.kind) === 278 /* SyntaxKind.JsxElement */
+                    && !tagNamesAreEquivalent(child.openingElement.tagName, child.closingElement.tagName)
+                    && tagNamesAreEquivalent(openingTag.tagName, child.closingElement.tagName)) {
+                    // stop after parsing a mismatched child like 
    ...(
    ) in order to reattach the
    higher + break; + } + } + parsingContext = saveParsingContext; + return createNodeArray(list, listPos); + } + function parseJsxAttributes() { + var pos = getNodePos(); + return finishNode(factory.createJsxAttributes(parseList(13 /* ParsingContext.JsxAttributes */, parseJsxAttribute)), pos); + } + function parseJsxOpeningOrSelfClosingElementOrOpeningFragment(inExpressionContext) { + var pos = getNodePos(); + parseExpected(29 /* SyntaxKind.LessThanToken */); + if (token() === 31 /* SyntaxKind.GreaterThanToken */) { + // See below for explanation of scanJsxText + scanJsxText(); + return finishNode(factory.createJsxOpeningFragment(), pos); + } + var tagName = parseJsxElementName(); + var typeArguments = (contextFlags & 262144 /* NodeFlags.JavaScriptFile */) === 0 ? tryParseTypeArguments() : undefined; + var attributes = parseJsxAttributes(); + var node; + if (token() === 31 /* SyntaxKind.GreaterThanToken */) { + // Closing tag, so scan the immediately-following text with the JSX scanning instead + // of regular scanning to avoid treating illegal characters (e.g. '#') as immediate + // scanning errors + scanJsxText(); + node = factory.createJsxOpeningElement(tagName, typeArguments, attributes); + } + else { + parseExpected(43 /* SyntaxKind.SlashToken */); + if (parseExpected(31 /* SyntaxKind.GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false)) { + // manually advance the scanner in order to look for jsx text inside jsx + if (inExpressionContext) { + nextToken(); + } + else { + scanJsxText(); + } + } + node = factory.createJsxSelfClosingElement(tagName, typeArguments, attributes); + } + return finishNode(node, pos); + } + function parseJsxElementName() { + var pos = getNodePos(); + scanJsxIdentifier(); + // JsxElement can have name in the form of + // propertyAccessExpression + // primaryExpression in the form of an identifier and "this" keyword + // We can't just simply use parseLeftHandSideExpressionOrHigher because then we will start consider class,function etc as a keyword + // We only want to consider "this" as a primaryExpression + var expression = token() === 108 /* SyntaxKind.ThisKeyword */ ? + parseTokenNode() : parseIdentifierName(); + while (parseOptional(24 /* SyntaxKind.DotToken */)) { + expression = finishNode(factory.createPropertyAccessExpression(expression, parseRightSideOfDot(/*allowIdentifierNames*/ true, /*allowPrivateIdentifiers*/ false)), pos); + } + return expression; + } + function parseJsxExpression(inExpressionContext) { + var pos = getNodePos(); + if (!parseExpected(18 /* SyntaxKind.OpenBraceToken */)) { + return undefined; + } + var dotDotDotToken; + var expression; + if (token() !== 19 /* SyntaxKind.CloseBraceToken */) { + dotDotDotToken = parseOptionalToken(25 /* SyntaxKind.DotDotDotToken */); + // Only an AssignmentExpression is valid here per the JSX spec, + // but we can unambiguously parse a comma sequence and provide + // a better error message in grammar checking. + expression = parseExpression(); + } + if (inExpressionContext) { + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + } + else { + if (parseExpected(19 /* SyntaxKind.CloseBraceToken */, /*message*/ undefined, /*shouldAdvance*/ false)) { + scanJsxText(); + } + } + return finishNode(factory.createJsxExpression(dotDotDotToken, expression), pos); + } + function parseJsxAttribute() { + if (token() === 18 /* SyntaxKind.OpenBraceToken */) { + return parseJsxSpreadAttribute(); + } + scanJsxIdentifier(); + var pos = getNodePos(); + return finishNode(factory.createJsxAttribute(parseIdentifierName(), token() !== 63 /* SyntaxKind.EqualsToken */ ? undefined : + scanJsxAttributeValue() === 10 /* SyntaxKind.StringLiteral */ ? parseLiteralNode() : + parseJsxExpression(/*inExpressionContext*/ true)), pos); + } + function parseJsxSpreadAttribute() { + var pos = getNodePos(); + parseExpected(18 /* SyntaxKind.OpenBraceToken */); + parseExpected(25 /* SyntaxKind.DotDotDotToken */); + var expression = parseExpression(); + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + return finishNode(factory.createJsxSpreadAttribute(expression), pos); + } + function parseJsxClosingElement(open, inExpressionContext) { + var pos = getNodePos(); + parseExpected(30 /* SyntaxKind.LessThanSlashToken */); + var tagName = parseJsxElementName(); + if (parseExpected(31 /* SyntaxKind.GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false)) { + // manually advance the scanner in order to look for jsx text inside jsx + if (inExpressionContext || !tagNamesAreEquivalent(open.tagName, tagName)) { + nextToken(); + } + else { + scanJsxText(); + } + } + return finishNode(factory.createJsxClosingElement(tagName), pos); + } + function parseJsxClosingFragment(inExpressionContext) { + var pos = getNodePos(); + parseExpected(30 /* SyntaxKind.LessThanSlashToken */); + if (ts.tokenIsIdentifierOrKeyword(token())) { + parseErrorAtRange(parseJsxElementName(), ts.Diagnostics.Expected_corresponding_closing_tag_for_JSX_fragment); + } + if (parseExpected(31 /* SyntaxKind.GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false)) { + // manually advance the scanner in order to look for jsx text inside jsx + if (inExpressionContext) { + nextToken(); + } + else { + scanJsxText(); + } + } + return finishNode(factory.createJsxJsxClosingFragment(), pos); + } + function parseTypeAssertion() { + var pos = getNodePos(); + parseExpected(29 /* SyntaxKind.LessThanToken */); + var type = parseType(); + parseExpected(31 /* SyntaxKind.GreaterThanToken */); + var expression = parseSimpleUnaryExpression(); + return finishNode(factory.createTypeAssertion(type, expression), pos); + } + function nextTokenIsIdentifierOrKeywordOrOpenBracketOrTemplate() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token()) + || token() === 22 /* SyntaxKind.OpenBracketToken */ + || isTemplateStartOfTaggedTemplate(); + } + function isStartOfOptionalPropertyOrElementAccessChain() { + return token() === 28 /* SyntaxKind.QuestionDotToken */ + && lookAhead(nextTokenIsIdentifierOrKeywordOrOpenBracketOrTemplate); + } + function tryReparseOptionalChain(node) { + if (node.flags & 32 /* NodeFlags.OptionalChain */) { + return true; + } + // check for an optional chain in a non-null expression + if (ts.isNonNullExpression(node)) { + var expr = node.expression; + while (ts.isNonNullExpression(expr) && !(expr.flags & 32 /* NodeFlags.OptionalChain */)) { + expr = expr.expression; + } + if (expr.flags & 32 /* NodeFlags.OptionalChain */) { + // this is part of an optional chain. Walk down from `node` to `expression` and set the flag. + while (ts.isNonNullExpression(node)) { + node.flags |= 32 /* NodeFlags.OptionalChain */; + node = node.expression; + } + return true; + } + } + return false; + } + function parsePropertyAccessExpressionRest(pos, expression, questionDotToken) { + var name = parseRightSideOfDot(/*allowIdentifierNames*/ true, /*allowPrivateIdentifiers*/ true); + var isOptionalChain = questionDotToken || tryReparseOptionalChain(expression); + var propertyAccess = isOptionalChain ? + factory.createPropertyAccessChain(expression, questionDotToken, name) : + factory.createPropertyAccessExpression(expression, name); + if (isOptionalChain && ts.isPrivateIdentifier(propertyAccess.name)) { + parseErrorAtRange(propertyAccess.name, ts.Diagnostics.An_optional_chain_cannot_contain_private_identifiers); + } + return finishNode(propertyAccess, pos); + } + function parseElementAccessExpressionRest(pos, expression, questionDotToken) { + var argumentExpression; + if (token() === 23 /* SyntaxKind.CloseBracketToken */) { + argumentExpression = createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.An_element_access_expression_should_take_an_argument); + } + else { + var argument = allowInAnd(parseExpression); + if (ts.isStringOrNumericLiteralLike(argument)) { + argument.text = internIdentifier(argument.text); + } + argumentExpression = argument; + } + parseExpected(23 /* SyntaxKind.CloseBracketToken */); + var indexedAccess = questionDotToken || tryReparseOptionalChain(expression) ? + factory.createElementAccessChain(expression, questionDotToken, argumentExpression) : + factory.createElementAccessExpression(expression, argumentExpression); + return finishNode(indexedAccess, pos); + } + function parseMemberExpressionRest(pos, expression, allowOptionalChain) { + while (true) { + var questionDotToken = void 0; + var isPropertyAccess = false; + if (allowOptionalChain && isStartOfOptionalPropertyOrElementAccessChain()) { + questionDotToken = parseExpectedToken(28 /* SyntaxKind.QuestionDotToken */); + isPropertyAccess = ts.tokenIsIdentifierOrKeyword(token()); + } + else { + isPropertyAccess = parseOptional(24 /* SyntaxKind.DotToken */); + } + if (isPropertyAccess) { + expression = parsePropertyAccessExpressionRest(pos, expression, questionDotToken); + continue; + } + // when in the [Decorator] context, we do not parse ElementAccess as it could be part of a ComputedPropertyName + if ((questionDotToken || !inDecoratorContext()) && parseOptional(22 /* SyntaxKind.OpenBracketToken */)) { + expression = parseElementAccessExpressionRest(pos, expression, questionDotToken); + continue; + } + if (isTemplateStartOfTaggedTemplate()) { + // Absorb type arguments into TemplateExpression when preceding expression is ExpressionWithTypeArguments + expression = !questionDotToken && expression.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */ ? + parseTaggedTemplateRest(pos, expression.expression, questionDotToken, expression.typeArguments) : + parseTaggedTemplateRest(pos, expression, questionDotToken, /*typeArguments*/ undefined); + continue; + } + if (!questionDotToken) { + if (token() === 53 /* SyntaxKind.ExclamationToken */ && !scanner.hasPrecedingLineBreak()) { + nextToken(); + expression = finishNode(factory.createNonNullExpression(expression), pos); + continue; + } + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (typeArguments) { + expression = finishNode(factory.createExpressionWithTypeArguments(expression, typeArguments), pos); + continue; + } + } + return expression; + } + } + function isTemplateStartOfTaggedTemplate() { + return token() === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ || token() === 15 /* SyntaxKind.TemplateHead */; + } + function parseTaggedTemplateRest(pos, tag, questionDotToken, typeArguments) { + var tagExpression = factory.createTaggedTemplateExpression(tag, typeArguments, token() === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ ? + (reScanTemplateHeadOrNoSubstitutionTemplate(), parseLiteralNode()) : + parseTemplateExpression(/*isTaggedTemplate*/ true)); + if (questionDotToken || tag.flags & 32 /* NodeFlags.OptionalChain */) { + tagExpression.flags |= 32 /* NodeFlags.OptionalChain */; + } + tagExpression.questionDotToken = questionDotToken; + return finishNode(tagExpression, pos); + } + function parseCallExpressionRest(pos, expression) { + while (true) { + expression = parseMemberExpressionRest(pos, expression, /*allowOptionalChain*/ true); + var typeArguments = void 0; + var questionDotToken = parseOptionalToken(28 /* SyntaxKind.QuestionDotToken */); + if (questionDotToken) { + typeArguments = tryParse(parseTypeArgumentsInExpression); + if (isTemplateStartOfTaggedTemplate()) { + expression = parseTaggedTemplateRest(pos, expression, questionDotToken, typeArguments); + continue; + } + } + if (typeArguments || token() === 20 /* SyntaxKind.OpenParenToken */) { + // Absorb type arguments into CallExpression when preceding expression is ExpressionWithTypeArguments + if (!questionDotToken && expression.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */) { + typeArguments = expression.typeArguments; + expression = expression.expression; + } + var argumentList = parseArgumentList(); + var callExpr = questionDotToken || tryReparseOptionalChain(expression) ? + factory.createCallChain(expression, questionDotToken, typeArguments, argumentList) : + factory.createCallExpression(expression, typeArguments, argumentList); + expression = finishNode(callExpr, pos); + continue; + } + if (questionDotToken) { + // We parsed `?.` but then failed to parse anything, so report a missing identifier here. + var name = createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ false, ts.Diagnostics.Identifier_expected); + expression = finishNode(factory.createPropertyAccessChain(expression, questionDotToken, name), pos); + } + break; + } + return expression; + } + function parseArgumentList() { + parseExpected(20 /* SyntaxKind.OpenParenToken */); + var result = parseDelimitedList(11 /* ParsingContext.ArgumentExpressions */, parseArgumentExpression); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + return result; + } + function parseTypeArgumentsInExpression() { + if ((contextFlags & 262144 /* NodeFlags.JavaScriptFile */) !== 0) { + // TypeArguments must not be parsed in JavaScript files to avoid ambiguity with binary operators. + return undefined; + } + if (reScanLessThanToken() !== 29 /* SyntaxKind.LessThanToken */) { + return undefined; + } + nextToken(); + var typeArguments = parseDelimitedList(20 /* ParsingContext.TypeArguments */, parseType); + if (reScanGreaterToken() !== 31 /* SyntaxKind.GreaterThanToken */) { + // If it doesn't have the closing `>` then it's definitely not an type argument list. + return undefined; + } + nextToken(); + // We successfully parsed a type argument list. The next token determines whether we want to + // treat it as such. If the type argument list is followed by `(` or a template literal, as in + // `f(42)`, we favor the type argument interpretation even though JavaScript would view + // it as a relational expression. + return typeArguments && canFollowTypeArgumentsInExpression() ? typeArguments : undefined; + } + function canFollowTypeArgumentsInExpression() { + switch (token()) { + // These tokens can follow a type argument list in a call expression. + case 20 /* SyntaxKind.OpenParenToken */: // foo( + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: // foo `...` + case 15 /* SyntaxKind.TemplateHead */: // foo `...${100}...` + return true; + } + // Consider something a type argument list only if the following token can't start an expression. + return !isStartOfExpression(); + } + function parsePrimaryExpression() { + switch (token()) { + case 8 /* SyntaxKind.NumericLiteral */: + case 9 /* SyntaxKind.BigIntLiteral */: + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return parseLiteralNode(); + case 108 /* SyntaxKind.ThisKeyword */: + case 106 /* SyntaxKind.SuperKeyword */: + case 104 /* SyntaxKind.NullKeyword */: + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + return parseTokenNode(); + case 20 /* SyntaxKind.OpenParenToken */: + return parseParenthesizedExpression(); + case 22 /* SyntaxKind.OpenBracketToken */: + return parseArrayLiteralExpression(); + case 18 /* SyntaxKind.OpenBraceToken */: + return parseObjectLiteralExpression(); + case 131 /* SyntaxKind.AsyncKeyword */: + // Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher. + // If we encounter `async [no LineTerminator here] function` then this is an async + // function; otherwise, its an identifier. + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 84 /* SyntaxKind.ClassKeyword */: + return parseClassExpression(); + case 98 /* SyntaxKind.FunctionKeyword */: + return parseFunctionExpression(); + case 103 /* SyntaxKind.NewKeyword */: + return parseNewExpressionOrNewDotTarget(); + case 43 /* SyntaxKind.SlashToken */: + case 68 /* SyntaxKind.SlashEqualsToken */: + if (reScanSlashToken() === 13 /* SyntaxKind.RegularExpressionLiteral */) { + return parseLiteralNode(); + } + break; + case 15 /* SyntaxKind.TemplateHead */: + return parseTemplateExpression(/* isTaggedTemplate */ false); + case 80 /* SyntaxKind.PrivateIdentifier */: + return parsePrivateIdentifier(); + } + return parseIdentifier(ts.Diagnostics.Expression_expected); + } + function parseParenthesizedExpression() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = allowInAnd(parseExpression); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + return withJSDoc(finishNode(factory.createParenthesizedExpression(expression), pos), hasJSDoc); + } + function parseSpreadElement() { + var pos = getNodePos(); + parseExpected(25 /* SyntaxKind.DotDotDotToken */); + var expression = parseAssignmentExpressionOrHigher(); + return finishNode(factory.createSpreadElement(expression), pos); + } + function parseArgumentOrArrayLiteralElement() { + return token() === 25 /* SyntaxKind.DotDotDotToken */ ? parseSpreadElement() : + token() === 27 /* SyntaxKind.CommaToken */ ? finishNode(factory.createOmittedExpression(), getNodePos()) : + parseAssignmentExpressionOrHigher(); + } + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); + } + function parseArrayLiteralExpression() { + var pos = getNodePos(); + var openBracketPosition = scanner.getTokenPos(); + var openBracketParsed = parseExpected(22 /* SyntaxKind.OpenBracketToken */); + var multiLine = scanner.hasPrecedingLineBreak(); + var elements = parseDelimitedList(15 /* ParsingContext.ArrayLiteralMembers */, parseArgumentOrArrayLiteralElement); + parseExpectedMatchingBrackets(22 /* SyntaxKind.OpenBracketToken */, 23 /* SyntaxKind.CloseBracketToken */, openBracketParsed, openBracketPosition); + return finishNode(factory.createArrayLiteralExpression(elements, multiLine), pos); + } + function parseObjectLiteralElement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + if (parseOptionalToken(25 /* SyntaxKind.DotDotDotToken */)) { + var expression = parseAssignmentExpressionOrHigher(); + return withJSDoc(finishNode(factory.createSpreadAssignment(expression), pos), hasJSDoc); + } + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + if (parseContextualModifier(136 /* SyntaxKind.GetKeyword */)) { + return parseAccessorDeclaration(pos, hasJSDoc, decorators, modifiers, 172 /* SyntaxKind.GetAccessor */); + } + if (parseContextualModifier(149 /* SyntaxKind.SetKeyword */)) { + return parseAccessorDeclaration(pos, hasJSDoc, decorators, modifiers, 173 /* SyntaxKind.SetAccessor */); + } + var asteriskToken = parseOptionalToken(41 /* SyntaxKind.AsteriskToken */); + var tokenIsIdentifier = isIdentifier(); + var name = parsePropertyName(); + // Disallowing of optional property assignments and definite assignment assertion happens in the grammar checker. + var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */); + var exclamationToken = parseOptionalToken(53 /* SyntaxKind.ExclamationToken */); + if (asteriskToken || token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */) { + return parseMethodDeclaration(pos, hasJSDoc, decorators, modifiers, asteriskToken, name, questionToken, exclamationToken); + } + // check if it is short-hand property assignment or normal property assignment + // NOTE: if token is EqualsToken it is interpreted as CoverInitializedName production + // CoverInitializedName[Yield] : + // IdentifierReference[?Yield] Initializer[In, ?Yield] + // this is necessary because ObjectLiteral productions are also used to cover grammar for ObjectAssignmentPattern + var node; + var isShorthandPropertyAssignment = tokenIsIdentifier && (token() !== 58 /* SyntaxKind.ColonToken */); + if (isShorthandPropertyAssignment) { + var equalsToken = parseOptionalToken(63 /* SyntaxKind.EqualsToken */); + var objectAssignmentInitializer = equalsToken ? allowInAnd(parseAssignmentExpressionOrHigher) : undefined; + node = factory.createShorthandPropertyAssignment(name, objectAssignmentInitializer); + // Save equals token for error reporting. + // TODO(rbuckton): Consider manufacturing this when we need to report an error as it is otherwise not useful. + node.equalsToken = equalsToken; + } + else { + parseExpected(58 /* SyntaxKind.ColonToken */); + var initializer = allowInAnd(parseAssignmentExpressionOrHigher); + node = factory.createPropertyAssignment(name, initializer); + } + // Decorators, Modifiers, questionToken, and exclamationToken are not supported by property assignments and are reported in the grammar checker + node.decorators = decorators; + node.modifiers = modifiers; + node.questionToken = questionToken; + node.exclamationToken = exclamationToken; + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseObjectLiteralExpression() { + var pos = getNodePos(); + var openBracePosition = scanner.getTokenPos(); + var openBraceParsed = parseExpected(18 /* SyntaxKind.OpenBraceToken */); + var multiLine = scanner.hasPrecedingLineBreak(); + var properties = parseDelimitedList(12 /* ParsingContext.ObjectLiteralMembers */, parseObjectLiteralElement, /*considerSemicolonAsDelimiter*/ true); + parseExpectedMatchingBrackets(18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, openBraceParsed, openBracePosition); + return finishNode(factory.createObjectLiteralExpression(properties, multiLine), pos); + } + function parseFunctionExpression() { + // GeneratorExpression: + // function* BindingIdentifier [Yield][opt](FormalParameters[Yield]){ GeneratorBody } + // + // FunctionExpression: + // function BindingIdentifier[opt](FormalParameters){ FunctionBody } + var savedDecoratorContext = inDecoratorContext(); + setDecoratorContext(/*val*/ false); + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + var modifiers = parseModifiers(); + parseExpected(98 /* SyntaxKind.FunctionKeyword */); + var asteriskToken = parseOptionalToken(41 /* SyntaxKind.AsteriskToken */); + var isGenerator = asteriskToken ? 1 /* SignatureFlags.Yield */ : 0 /* SignatureFlags.None */; + var isAsync = ts.some(modifiers, ts.isAsyncModifier) ? 2 /* SignatureFlags.Await */ : 0 /* SignatureFlags.None */; + var name = isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalBindingIdentifier) : + isGenerator ? doInYieldContext(parseOptionalBindingIdentifier) : + isAsync ? doInAwaitContext(parseOptionalBindingIdentifier) : + parseOptionalBindingIdentifier(); + var typeParameters = parseTypeParameters(); + var parameters = parseParameters(isGenerator | isAsync); + var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false); + var body = parseFunctionBlock(isGenerator | isAsync); + setDecoratorContext(savedDecoratorContext); + var node = factory.createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseOptionalBindingIdentifier() { + return isBindingIdentifier() ? parseBindingIdentifier() : undefined; + } + function parseNewExpressionOrNewDotTarget() { + var pos = getNodePos(); + parseExpected(103 /* SyntaxKind.NewKeyword */); + if (parseOptional(24 /* SyntaxKind.DotToken */)) { + var name = parseIdentifierName(); + return finishNode(factory.createMetaProperty(103 /* SyntaxKind.NewKeyword */, name), pos); + } + var expressionPos = getNodePos(); + var expression = parseMemberExpressionRest(expressionPos, parsePrimaryExpression(), /*allowOptionalChain*/ false); + var typeArguments; + // Absorb type arguments into NewExpression when preceding expression is ExpressionWithTypeArguments + if (expression.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */) { + typeArguments = expression.typeArguments; + expression = expression.expression; + } + var argumentList = token() === 20 /* SyntaxKind.OpenParenToken */ ? parseArgumentList() : undefined; + return finishNode(factory.createNewExpression(expression, typeArguments, argumentList), pos); + } + // STATEMENTS + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + var openBracePosition = scanner.getTokenPos(); + var openBraceParsed = parseExpected(18 /* SyntaxKind.OpenBraceToken */, diagnosticMessage); + if (openBraceParsed || ignoreMissingOpenBrace) { + var multiLine = scanner.hasPrecedingLineBreak(); + var statements = parseList(1 /* ParsingContext.BlockStatements */, parseStatement); + parseExpectedMatchingBrackets(18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, openBraceParsed, openBracePosition); + var result = withJSDoc(finishNode(factory.createBlock(statements, multiLine), pos), hasJSDoc); + if (token() === 63 /* SyntaxKind.EqualsToken */) { + parseErrorAtCurrentToken(ts.Diagnostics.Declaration_or_statement_expected_This_follows_a_block_of_statements_so_if_you_intended_to_write_a_destructuring_assignment_you_might_need_to_wrap_the_the_whole_assignment_in_parentheses); + nextToken(); + } + return result; + } + else { + var statements = createMissingList(); + return withJSDoc(finishNode(factory.createBlock(statements, /*multiLine*/ undefined), pos), hasJSDoc); + } + } + function parseFunctionBlock(flags, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(!!(flags & 1 /* SignatureFlags.Yield */)); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(!!(flags & 2 /* SignatureFlags.Await */)); + var savedTopLevel = topLevel; + topLevel = false; + // We may be in a [Decorator] context when parsing a function expression or + // arrow function. The body of the function is not in [Decorator] context. + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var block = parseBlock(!!(flags & 16 /* SignatureFlags.IgnoreMissingOpenBrace */), diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + topLevel = savedTopLevel; + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; + } + function parseEmptyStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(26 /* SyntaxKind.SemicolonToken */); + return withJSDoc(finishNode(factory.createEmptyStatement(), pos), hasJSDoc); + } + function parseIfStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(99 /* SyntaxKind.IfKeyword */); + var openParenPosition = scanner.getTokenPos(); + var openParenParsed = parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = allowInAnd(parseExpression); + parseExpectedMatchingBrackets(20 /* SyntaxKind.OpenParenToken */, 21 /* SyntaxKind.CloseParenToken */, openParenParsed, openParenPosition); + var thenStatement = parseStatement(); + var elseStatement = parseOptional(91 /* SyntaxKind.ElseKeyword */) ? parseStatement() : undefined; + return withJSDoc(finishNode(factory.createIfStatement(expression, thenStatement, elseStatement), pos), hasJSDoc); + } + function parseDoStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(90 /* SyntaxKind.DoKeyword */); + var statement = parseStatement(); + parseExpected(115 /* SyntaxKind.WhileKeyword */); + var openParenPosition = scanner.getTokenPos(); + var openParenParsed = parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = allowInAnd(parseExpression); + parseExpectedMatchingBrackets(20 /* SyntaxKind.OpenParenToken */, 21 /* SyntaxKind.CloseParenToken */, openParenParsed, openParenPosition); + // From: https://mail.mozilla.org/pipermail/es-discuss/2011-August/016188.html + // 157 min --- All allen at wirfs-brock.com CONF --- "do{;}while(false)false" prohibited in + // spec but allowed in consensus reality. Approved -- this is the de-facto standard whereby + // do;while(0)x will have a semicolon inserted before x. + parseOptional(26 /* SyntaxKind.SemicolonToken */); + return withJSDoc(finishNode(factory.createDoStatement(statement, expression), pos), hasJSDoc); + } + function parseWhileStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(115 /* SyntaxKind.WhileKeyword */); + var openParenPosition = scanner.getTokenPos(); + var openParenParsed = parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = allowInAnd(parseExpression); + parseExpectedMatchingBrackets(20 /* SyntaxKind.OpenParenToken */, 21 /* SyntaxKind.CloseParenToken */, openParenParsed, openParenPosition); + var statement = parseStatement(); + return withJSDoc(finishNode(factory.createWhileStatement(expression, statement), pos), hasJSDoc); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(97 /* SyntaxKind.ForKeyword */); + var awaitToken = parseOptionalToken(132 /* SyntaxKind.AwaitKeyword */); + parseExpected(20 /* SyntaxKind.OpenParenToken */); + var initializer; + if (token() !== 26 /* SyntaxKind.SemicolonToken */) { + if (token() === 113 /* SyntaxKind.VarKeyword */ || token() === 119 /* SyntaxKind.LetKeyword */ || token() === 85 /* SyntaxKind.ConstKeyword */) { + initializer = parseVariableDeclarationList(/*inForStatementInitializer*/ true); + } + else { + initializer = disallowInAnd(parseExpression); + } + } + var node; + if (awaitToken ? parseExpected(160 /* SyntaxKind.OfKeyword */) : parseOptional(160 /* SyntaxKind.OfKeyword */)) { + var expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + node = factory.createForOfStatement(awaitToken, initializer, expression, parseStatement()); + } + else if (parseOptional(101 /* SyntaxKind.InKeyword */)) { + var expression = allowInAnd(parseExpression); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + node = factory.createForInStatement(initializer, expression, parseStatement()); + } + else { + parseExpected(26 /* SyntaxKind.SemicolonToken */); + var condition = token() !== 26 /* SyntaxKind.SemicolonToken */ && token() !== 21 /* SyntaxKind.CloseParenToken */ + ? allowInAnd(parseExpression) + : undefined; + parseExpected(26 /* SyntaxKind.SemicolonToken */); + var incrementor = token() !== 21 /* SyntaxKind.CloseParenToken */ + ? allowInAnd(parseExpression) + : undefined; + parseExpected(21 /* SyntaxKind.CloseParenToken */); + node = factory.createForStatement(initializer, condition, incrementor, parseStatement()); + } + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseBreakOrContinueStatement(kind) { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(kind === 246 /* SyntaxKind.BreakStatement */ ? 81 /* SyntaxKind.BreakKeyword */ : 86 /* SyntaxKind.ContinueKeyword */); + var label = canParseSemicolon() ? undefined : parseIdentifier(); + parseSemicolon(); + var node = kind === 246 /* SyntaxKind.BreakStatement */ + ? factory.createBreakStatement(label) + : factory.createContinueStatement(label); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseReturnStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(105 /* SyntaxKind.ReturnKeyword */); + var expression = canParseSemicolon() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return withJSDoc(finishNode(factory.createReturnStatement(expression), pos), hasJSDoc); + } + function parseWithStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(116 /* SyntaxKind.WithKeyword */); + var openParenPosition = scanner.getTokenPos(); + var openParenParsed = parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = allowInAnd(parseExpression); + parseExpectedMatchingBrackets(20 /* SyntaxKind.OpenParenToken */, 21 /* SyntaxKind.CloseParenToken */, openParenParsed, openParenPosition); + var statement = doInsideOfContext(33554432 /* NodeFlags.InWithStatement */, parseStatement); + return withJSDoc(finishNode(factory.createWithStatement(expression, statement), pos), hasJSDoc); + } + function parseCaseClause() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(82 /* SyntaxKind.CaseKeyword */); + var expression = allowInAnd(parseExpression); + parseExpected(58 /* SyntaxKind.ColonToken */); + var statements = parseList(3 /* ParsingContext.SwitchClauseStatements */, parseStatement); + return withJSDoc(finishNode(factory.createCaseClause(expression, statements), pos), hasJSDoc); + } + function parseDefaultClause() { + var pos = getNodePos(); + parseExpected(88 /* SyntaxKind.DefaultKeyword */); + parseExpected(58 /* SyntaxKind.ColonToken */); + var statements = parseList(3 /* ParsingContext.SwitchClauseStatements */, parseStatement); + return finishNode(factory.createDefaultClause(statements), pos); + } + function parseCaseOrDefaultClause() { + return token() === 82 /* SyntaxKind.CaseKeyword */ ? parseCaseClause() : parseDefaultClause(); + } + function parseCaseBlock() { + var pos = getNodePos(); + parseExpected(18 /* SyntaxKind.OpenBraceToken */); + var clauses = parseList(2 /* ParsingContext.SwitchClauses */, parseCaseOrDefaultClause); + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + return finishNode(factory.createCaseBlock(clauses), pos); + } + function parseSwitchStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(107 /* SyntaxKind.SwitchKeyword */); + parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = allowInAnd(parseExpression); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + var caseBlock = parseCaseBlock(); + return withJSDoc(finishNode(factory.createSwitchStatement(expression, caseBlock), pos), hasJSDoc); + } + function parseThrowStatement() { + // ThrowStatement[Yield] : + // throw [no LineTerminator here]Expression[In, ?Yield]; + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(109 /* SyntaxKind.ThrowKeyword */); + // Because of automatic semicolon insertion, we need to report error if this + // throw could be terminated with a semicolon. Note: we can't call 'parseExpression' + // directly as that might consume an expression on the following line. + // Instead, we create a "missing" identifier, but don't report an error. The actual error + // will be reported in the grammar walker. + var expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + if (expression === undefined) { + identifierCount++; + expression = finishNode(factory.createIdentifier(""), getNodePos()); + } + if (!tryParseSemicolon()) { + parseErrorForMissingSemicolonAfter(expression); + } + return withJSDoc(finishNode(factory.createThrowStatement(expression), pos), hasJSDoc); + } + // TODO: Review for error recovery + function parseTryStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(111 /* SyntaxKind.TryKeyword */); + var tryBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); + var catchClause = token() === 83 /* SyntaxKind.CatchKeyword */ ? parseCatchClause() : undefined; + // If we don't have a catch clause, then we must have a finally clause. Try to parse + // one out no matter what. + var finallyBlock; + if (!catchClause || token() === 96 /* SyntaxKind.FinallyKeyword */) { + parseExpected(96 /* SyntaxKind.FinallyKeyword */, ts.Diagnostics.catch_or_finally_expected); + finallyBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); + } + return withJSDoc(finishNode(factory.createTryStatement(tryBlock, catchClause, finallyBlock), pos), hasJSDoc); + } + function parseCatchClause() { + var pos = getNodePos(); + parseExpected(83 /* SyntaxKind.CatchKeyword */); + var variableDeclaration; + if (parseOptional(20 /* SyntaxKind.OpenParenToken */)) { + variableDeclaration = parseVariableDeclaration(); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + } + else { + // Keep shape of node to avoid degrading performance. + variableDeclaration = undefined; + } + var block = parseBlock(/*ignoreMissingOpenBrace*/ false); + return finishNode(factory.createCatchClause(variableDeclaration, block), pos); + } + function parseDebuggerStatement() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + parseExpected(87 /* SyntaxKind.DebuggerKeyword */); + parseSemicolon(); + return withJSDoc(finishNode(factory.createDebuggerStatement(), pos), hasJSDoc); + } + function parseExpressionOrLabeledStatement() { + // Avoiding having to do the lookahead for a labeled statement by just trying to parse + // out an expression, seeing if it is identifier and then seeing if it is followed by + // a colon. + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + var node; + var hasParen = token() === 20 /* SyntaxKind.OpenParenToken */; + var expression = allowInAnd(parseExpression); + if (ts.isIdentifier(expression) && parseOptional(58 /* SyntaxKind.ColonToken */)) { + node = factory.createLabeledStatement(expression, parseStatement()); + } + else { + if (!tryParseSemicolon()) { + parseErrorForMissingSemicolonAfter(expression); + } + node = factory.createExpressionStatement(expression); + if (hasParen) { + // do not parse the same jsdoc twice + hasJSDoc = false; + } + } + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsClassKeywordOnSameLine() { + nextToken(); + return token() === 84 /* SyntaxKind.ClassKeyword */ && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token() === 98 /* SyntaxKind.FunctionKeyword */ && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8 /* SyntaxKind.NumericLiteral */ || token() === 9 /* SyntaxKind.BigIntLiteral */ || token() === 10 /* SyntaxKind.StringLiteral */) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token()) { + case 113 /* SyntaxKind.VarKeyword */: + case 119 /* SyntaxKind.LetKeyword */: + case 85 /* SyntaxKind.ConstKeyword */: + case 98 /* SyntaxKind.FunctionKeyword */: + case 84 /* SyntaxKind.ClassKeyword */: + case 92 /* SyntaxKind.EnumKeyword */: + return true; + // 'declare', 'module', 'namespace', 'interface'* and 'type' are all legal JavaScript identifiers; + // however, an identifier cannot be followed by another identifier on the same line. This is what we + // count on to parse out the respective declarations. For instance, we exploit this to say that + // + // namespace n + // + // can be none other than the beginning of a namespace declaration, but need to respect that JavaScript sees + // + // namespace + // n + // + // as the identifier 'namespace' on one line followed by the identifier 'n' on another. + // We need to look one token ahead to see if it permissible to try parsing a declaration. + // + // *Note*: 'interface' is actually a strict mode reserved word. So while + // + // "use strict" + // interface + // I {} + // + // could be legal, it would add complexity for very little gain. + case 118 /* SyntaxKind.InterfaceKeyword */: + case 152 /* SyntaxKind.TypeKeyword */: + return nextTokenIsIdentifierOnSameLine(); + case 141 /* SyntaxKind.ModuleKeyword */: + case 142 /* SyntaxKind.NamespaceKeyword */: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 126 /* SyntaxKind.AbstractKeyword */: + case 131 /* SyntaxKind.AsyncKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 123 /* SyntaxKind.PublicKeyword */: + case 145 /* SyntaxKind.ReadonlyKeyword */: + nextToken(); + // ASI takes effect for this modifier. + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 157 /* SyntaxKind.GlobalKeyword */: + nextToken(); + return token() === 18 /* SyntaxKind.OpenBraceToken */ || token() === 79 /* SyntaxKind.Identifier */ || token() === 93 /* SyntaxKind.ExportKeyword */; + case 100 /* SyntaxKind.ImportKeyword */: + nextToken(); + return token() === 10 /* SyntaxKind.StringLiteral */ || token() === 41 /* SyntaxKind.AsteriskToken */ || + token() === 18 /* SyntaxKind.OpenBraceToken */ || ts.tokenIsIdentifierOrKeyword(token()); + case 93 /* SyntaxKind.ExportKeyword */: + var currentToken_1 = nextToken(); + if (currentToken_1 === 152 /* SyntaxKind.TypeKeyword */) { + currentToken_1 = lookAhead(nextToken); + } + if (currentToken_1 === 63 /* SyntaxKind.EqualsToken */ || currentToken_1 === 41 /* SyntaxKind.AsteriskToken */ || + currentToken_1 === 18 /* SyntaxKind.OpenBraceToken */ || currentToken_1 === 88 /* SyntaxKind.DefaultKeyword */ || + currentToken_1 === 127 /* SyntaxKind.AsKeyword */) { + return true; + } + continue; + case 124 /* SyntaxKind.StaticKeyword */: + nextToken(); + continue; + default: + return false; + } + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token()) { + case 59 /* SyntaxKind.AtToken */: + case 26 /* SyntaxKind.SemicolonToken */: + case 18 /* SyntaxKind.OpenBraceToken */: + case 113 /* SyntaxKind.VarKeyword */: + case 119 /* SyntaxKind.LetKeyword */: + case 98 /* SyntaxKind.FunctionKeyword */: + case 84 /* SyntaxKind.ClassKeyword */: + case 92 /* SyntaxKind.EnumKeyword */: + case 99 /* SyntaxKind.IfKeyword */: + case 90 /* SyntaxKind.DoKeyword */: + case 115 /* SyntaxKind.WhileKeyword */: + case 97 /* SyntaxKind.ForKeyword */: + case 86 /* SyntaxKind.ContinueKeyword */: + case 81 /* SyntaxKind.BreakKeyword */: + case 105 /* SyntaxKind.ReturnKeyword */: + case 116 /* SyntaxKind.WithKeyword */: + case 107 /* SyntaxKind.SwitchKeyword */: + case 109 /* SyntaxKind.ThrowKeyword */: + case 111 /* SyntaxKind.TryKeyword */: + case 87 /* SyntaxKind.DebuggerKeyword */: + // 'catch' and 'finally' do not actually indicate that the code is part of a statement, + // however, we say they are here so that we may gracefully parse them and error later. + // falls through + case 83 /* SyntaxKind.CatchKeyword */: + case 96 /* SyntaxKind.FinallyKeyword */: + return true; + case 100 /* SyntaxKind.ImportKeyword */: + return isStartOfDeclaration() || lookAhead(nextTokenIsOpenParenOrLessThanOrDot); + case 85 /* SyntaxKind.ConstKeyword */: + case 93 /* SyntaxKind.ExportKeyword */: + return isStartOfDeclaration(); + case 131 /* SyntaxKind.AsyncKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 118 /* SyntaxKind.InterfaceKeyword */: + case 141 /* SyntaxKind.ModuleKeyword */: + case 142 /* SyntaxKind.NamespaceKeyword */: + case 152 /* SyntaxKind.TypeKeyword */: + case 157 /* SyntaxKind.GlobalKeyword */: + // When these don't start a declaration, they're an identifier in an expression statement + return true; + case 123 /* SyntaxKind.PublicKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 124 /* SyntaxKind.StaticKeyword */: + case 145 /* SyntaxKind.ReadonlyKeyword */: + // When these don't start a declaration, they may be the start of a class member if an identifier + // immediately follows. Otherwise they're an identifier in an expression statement. + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsBindingIdentifierOrStartOfDestructuring() { + nextToken(); + return isBindingIdentifier() || token() === 18 /* SyntaxKind.OpenBraceToken */ || token() === 22 /* SyntaxKind.OpenBracketToken */; + } + function isLetDeclaration() { + // In ES6 'let' always starts a lexical declaration if followed by an identifier or { + // or [. + return lookAhead(nextTokenIsBindingIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token()) { + case 26 /* SyntaxKind.SemicolonToken */: + return parseEmptyStatement(); + case 18 /* SyntaxKind.OpenBraceToken */: + return parseBlock(/*ignoreMissingOpenBrace*/ false); + case 113 /* SyntaxKind.VarKeyword */: + return parseVariableStatement(getNodePos(), hasPrecedingJSDocComment(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 119 /* SyntaxKind.LetKeyword */: + if (isLetDeclaration()) { + return parseVariableStatement(getNodePos(), hasPrecedingJSDocComment(), /*decorators*/ undefined, /*modifiers*/ undefined); + } + break; + case 98 /* SyntaxKind.FunctionKeyword */: + return parseFunctionDeclaration(getNodePos(), hasPrecedingJSDocComment(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 84 /* SyntaxKind.ClassKeyword */: + return parseClassDeclaration(getNodePos(), hasPrecedingJSDocComment(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 99 /* SyntaxKind.IfKeyword */: + return parseIfStatement(); + case 90 /* SyntaxKind.DoKeyword */: + return parseDoStatement(); + case 115 /* SyntaxKind.WhileKeyword */: + return parseWhileStatement(); + case 97 /* SyntaxKind.ForKeyword */: + return parseForOrForInOrForOfStatement(); + case 86 /* SyntaxKind.ContinueKeyword */: + return parseBreakOrContinueStatement(245 /* SyntaxKind.ContinueStatement */); + case 81 /* SyntaxKind.BreakKeyword */: + return parseBreakOrContinueStatement(246 /* SyntaxKind.BreakStatement */); + case 105 /* SyntaxKind.ReturnKeyword */: + return parseReturnStatement(); + case 116 /* SyntaxKind.WithKeyword */: + return parseWithStatement(); + case 107 /* SyntaxKind.SwitchKeyword */: + return parseSwitchStatement(); + case 109 /* SyntaxKind.ThrowKeyword */: + return parseThrowStatement(); + case 111 /* SyntaxKind.TryKeyword */: + // Include 'catch' and 'finally' for error recovery. + // falls through + case 83 /* SyntaxKind.CatchKeyword */: + case 96 /* SyntaxKind.FinallyKeyword */: + return parseTryStatement(); + case 87 /* SyntaxKind.DebuggerKeyword */: + return parseDebuggerStatement(); + case 59 /* SyntaxKind.AtToken */: + return parseDeclaration(); + case 131 /* SyntaxKind.AsyncKeyword */: + case 118 /* SyntaxKind.InterfaceKeyword */: + case 152 /* SyntaxKind.TypeKeyword */: + case 141 /* SyntaxKind.ModuleKeyword */: + case 142 /* SyntaxKind.NamespaceKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 85 /* SyntaxKind.ConstKeyword */: + case 92 /* SyntaxKind.EnumKeyword */: + case 93 /* SyntaxKind.ExportKeyword */: + case 100 /* SyntaxKind.ImportKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 123 /* SyntaxKind.PublicKeyword */: + case 126 /* SyntaxKind.AbstractKeyword */: + case 124 /* SyntaxKind.StaticKeyword */: + case 145 /* SyntaxKind.ReadonlyKeyword */: + case 157 /* SyntaxKind.GlobalKeyword */: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function isDeclareModifier(modifier) { + return modifier.kind === 135 /* SyntaxKind.DeclareKeyword */; + } + function parseDeclaration() { + // TODO: Can we hold onto the parsed decorators/modifiers and advance the scanner + // if we can't reuse the declaration, so that we don't do this work twice? + // + // `parseListElement` attempted to get the reused node at this position, + // but the ambient context flag was not yet set, so the node appeared + // not reusable in that context. + var isAmbient = ts.some(lookAhead(function () { return (parseDecorators(), parseModifiers()); }), isDeclareModifier); + if (isAmbient) { + var node = tryReuseAmbientDeclaration(); + if (node) { + return node; + } + } + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + if (isAmbient) { + for (var _i = 0, _a = modifiers; _i < _a.length; _i++) { + var m = _a[_i]; + m.flags |= 16777216 /* NodeFlags.Ambient */; + } + return doInsideOfContext(16777216 /* NodeFlags.Ambient */, function () { return parseDeclarationWorker(pos, hasJSDoc, decorators, modifiers); }); + } + else { + return parseDeclarationWorker(pos, hasJSDoc, decorators, modifiers); + } + } + function tryReuseAmbientDeclaration() { + return doInsideOfContext(16777216 /* NodeFlags.Ambient */, function () { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); + } + }); + } + function parseDeclarationWorker(pos, hasJSDoc, decorators, modifiers) { + switch (token()) { + case 113 /* SyntaxKind.VarKeyword */: + case 119 /* SyntaxKind.LetKeyword */: + case 85 /* SyntaxKind.ConstKeyword */: + return parseVariableStatement(pos, hasJSDoc, decorators, modifiers); + case 98 /* SyntaxKind.FunctionKeyword */: + return parseFunctionDeclaration(pos, hasJSDoc, decorators, modifiers); + case 84 /* SyntaxKind.ClassKeyword */: + return parseClassDeclaration(pos, hasJSDoc, decorators, modifiers); + case 118 /* SyntaxKind.InterfaceKeyword */: + return parseInterfaceDeclaration(pos, hasJSDoc, decorators, modifiers); + case 152 /* SyntaxKind.TypeKeyword */: + return parseTypeAliasDeclaration(pos, hasJSDoc, decorators, modifiers); + case 92 /* SyntaxKind.EnumKeyword */: + return parseEnumDeclaration(pos, hasJSDoc, decorators, modifiers); + case 157 /* SyntaxKind.GlobalKeyword */: + case 141 /* SyntaxKind.ModuleKeyword */: + case 142 /* SyntaxKind.NamespaceKeyword */: + return parseModuleDeclaration(pos, hasJSDoc, decorators, modifiers); + case 100 /* SyntaxKind.ImportKeyword */: + return parseImportDeclarationOrImportEqualsDeclaration(pos, hasJSDoc, decorators, modifiers); + case 93 /* SyntaxKind.ExportKeyword */: + nextToken(); + switch (token()) { + case 88 /* SyntaxKind.DefaultKeyword */: + case 63 /* SyntaxKind.EqualsToken */: + return parseExportAssignment(pos, hasJSDoc, decorators, modifiers); + case 127 /* SyntaxKind.AsKeyword */: + return parseNamespaceExportDeclaration(pos, hasJSDoc, decorators, modifiers); + default: + return parseExportDeclaration(pos, hasJSDoc, decorators, modifiers); + } + default: + if (decorators || modifiers) { + // We reached this point because we encountered decorators and/or modifiers and assumed a declaration + // would follow. For recovery and error reporting purposes, return an incomplete declaration. + var missing = createMissingNode(276 /* SyntaxKind.MissingDeclaration */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); + ts.setTextRangePos(missing, pos); + missing.decorators = decorators; + missing.modifiers = modifiers; + return missing; + } + return undefined; // TODO: GH#18217 + } + } + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 10 /* SyntaxKind.StringLiteral */); + } + function parseFunctionBlockOrSemicolon(flags, diagnosticMessage) { + if (token() !== 18 /* SyntaxKind.OpenBraceToken */ && canParseSemicolon()) { + parseSemicolon(); + return; + } + return parseFunctionBlock(flags, diagnosticMessage); + } + // DECLARATIONS + function parseArrayBindingElement() { + var pos = getNodePos(); + if (token() === 27 /* SyntaxKind.CommaToken */) { + return finishNode(factory.createOmittedExpression(), pos); + } + var dotDotDotToken = parseOptionalToken(25 /* SyntaxKind.DotDotDotToken */); + var name = parseIdentifierOrPattern(); + var initializer = parseInitializer(); + return finishNode(factory.createBindingElement(dotDotDotToken, /*propertyName*/ undefined, name, initializer), pos); + } + function parseObjectBindingElement() { + var pos = getNodePos(); + var dotDotDotToken = parseOptionalToken(25 /* SyntaxKind.DotDotDotToken */); + var tokenIsIdentifier = isBindingIdentifier(); + var propertyName = parsePropertyName(); + var name; + if (tokenIsIdentifier && token() !== 58 /* SyntaxKind.ColonToken */) { + name = propertyName; + propertyName = undefined; + } + else { + parseExpected(58 /* SyntaxKind.ColonToken */); + name = parseIdentifierOrPattern(); + } + var initializer = parseInitializer(); + return finishNode(factory.createBindingElement(dotDotDotToken, propertyName, name, initializer), pos); + } + function parseObjectBindingPattern() { + var pos = getNodePos(); + parseExpected(18 /* SyntaxKind.OpenBraceToken */); + var elements = parseDelimitedList(9 /* ParsingContext.ObjectBindingElements */, parseObjectBindingElement); + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + return finishNode(factory.createObjectBindingPattern(elements), pos); + } + function parseArrayBindingPattern() { + var pos = getNodePos(); + parseExpected(22 /* SyntaxKind.OpenBracketToken */); + var elements = parseDelimitedList(10 /* ParsingContext.ArrayBindingElements */, parseArrayBindingElement); + parseExpected(23 /* SyntaxKind.CloseBracketToken */); + return finishNode(factory.createArrayBindingPattern(elements), pos); + } + function isBindingIdentifierOrPrivateIdentifierOrPattern() { + return token() === 18 /* SyntaxKind.OpenBraceToken */ + || token() === 22 /* SyntaxKind.OpenBracketToken */ + || token() === 80 /* SyntaxKind.PrivateIdentifier */ + || isBindingIdentifier(); + } + function parseIdentifierOrPattern(privateIdentifierDiagnosticMessage) { + if (token() === 22 /* SyntaxKind.OpenBracketToken */) { + return parseArrayBindingPattern(); + } + if (token() === 18 /* SyntaxKind.OpenBraceToken */) { + return parseObjectBindingPattern(); + } + return parseBindingIdentifier(privateIdentifierDiagnosticMessage); + } + function parseVariableDeclarationAllowExclamation() { + return parseVariableDeclaration(/*allowExclamation*/ true); + } + function parseVariableDeclaration(allowExclamation) { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + var name = parseIdentifierOrPattern(ts.Diagnostics.Private_identifiers_are_not_allowed_in_variable_declarations); + var exclamationToken; + if (allowExclamation && name.kind === 79 /* SyntaxKind.Identifier */ && + token() === 53 /* SyntaxKind.ExclamationToken */ && !scanner.hasPrecedingLineBreak()) { + exclamationToken = parseTokenNode(); + } + var type = parseTypeAnnotation(); + var initializer = isInOrOfKeyword(token()) ? undefined : parseInitializer(); + var node = factory.createVariableDeclaration(name, exclamationToken, type, initializer); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseVariableDeclarationList(inForStatementInitializer) { + var pos = getNodePos(); + var flags = 0; + switch (token()) { + case 113 /* SyntaxKind.VarKeyword */: + break; + case 119 /* SyntaxKind.LetKeyword */: + flags |= 1 /* NodeFlags.Let */; + break; + case 85 /* SyntaxKind.ConstKeyword */: + flags |= 2 /* NodeFlags.Const */; + break; + default: + ts.Debug.fail(); + } + nextToken(); + // The user may have written the following: + // + // for (let of X) { } + // + // In this case, we want to parse an empty declaration list, and then parse 'of' + // as a keyword. The reason this is not automatic is that 'of' is a valid identifier. + // So we need to look ahead to determine if 'of' should be treated as a keyword in + // this context. + // The checker will then give an error that there is an empty declaration list. + var declarations; + if (token() === 160 /* SyntaxKind.OfKeyword */ && lookAhead(canFollowContextualOfKeyword)) { + declarations = createMissingList(); + } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + declarations = parseDelimitedList(8 /* ParsingContext.VariableDeclarations */, inForStatementInitializer ? parseVariableDeclaration : parseVariableDeclarationAllowExclamation); + setDisallowInContext(savedDisallowIn); + } + return finishNode(factory.createVariableDeclarationList(declarations, flags), pos); + } + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 21 /* SyntaxKind.CloseParenToken */; + } + function parseVariableStatement(pos, hasJSDoc, decorators, modifiers) { + var declarationList = parseVariableDeclarationList(/*inForStatementInitializer*/ false); + parseSemicolon(); + var node = factory.createVariableStatement(modifiers, declarationList); + // Decorators are not allowed on a variable statement, so we keep track of them to report them in the grammar checker. + node.decorators = decorators; + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseFunctionDeclaration(pos, hasJSDoc, decorators, modifiers) { + var savedAwaitContext = inAwaitContext(); + var modifierFlags = ts.modifiersToFlags(modifiers); + parseExpected(98 /* SyntaxKind.FunctionKeyword */); + var asteriskToken = parseOptionalToken(41 /* SyntaxKind.AsteriskToken */); + // We don't parse the name here in await context, instead we will report a grammar error in the checker. + var name = modifierFlags & 512 /* ModifierFlags.Default */ ? parseOptionalBindingIdentifier() : parseBindingIdentifier(); + var isGenerator = asteriskToken ? 1 /* SignatureFlags.Yield */ : 0 /* SignatureFlags.None */; + var isAsync = modifierFlags & 256 /* ModifierFlags.Async */ ? 2 /* SignatureFlags.Await */ : 0 /* SignatureFlags.None */; + var typeParameters = parseTypeParameters(); + if (modifierFlags & 1 /* ModifierFlags.Export */) + setAwaitContext(/*value*/ true); + var parameters = parseParameters(isGenerator | isAsync); + var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false); + var body = parseFunctionBlockOrSemicolon(isGenerator | isAsync, ts.Diagnostics.or_expected); + setAwaitContext(savedAwaitContext); + var node = factory.createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseConstructorName() { + if (token() === 134 /* SyntaxKind.ConstructorKeyword */) { + return parseExpected(134 /* SyntaxKind.ConstructorKeyword */); + } + if (token() === 10 /* SyntaxKind.StringLiteral */ && lookAhead(nextToken) === 20 /* SyntaxKind.OpenParenToken */) { + return tryParse(function () { + var literalNode = parseLiteralNode(); + return literalNode.text === "constructor" ? literalNode : undefined; + }); + } + } + function tryParseConstructorDeclaration(pos, hasJSDoc, decorators, modifiers) { + return tryParse(function () { + if (parseConstructorName()) { + var typeParameters = parseTypeParameters(); + var parameters = parseParameters(0 /* SignatureFlags.None */); + var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false); + var body = parseFunctionBlockOrSemicolon(0 /* SignatureFlags.None */, ts.Diagnostics.or_expected); + var node = factory.createConstructorDeclaration(decorators, modifiers, parameters, body); + // Attach `typeParameters` and `type` if they exist so that we can report them in the grammar checker. + node.typeParameters = typeParameters; + node.type = type; + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + }); + } + function parseMethodDeclaration(pos, hasJSDoc, decorators, modifiers, asteriskToken, name, questionToken, exclamationToken, diagnosticMessage) { + var isGenerator = asteriskToken ? 1 /* SignatureFlags.Yield */ : 0 /* SignatureFlags.None */; + var isAsync = ts.some(modifiers, ts.isAsyncModifier) ? 2 /* SignatureFlags.Await */ : 0 /* SignatureFlags.None */; + var typeParameters = parseTypeParameters(); + var parameters = parseParameters(isGenerator | isAsync); + var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false); + var body = parseFunctionBlockOrSemicolon(isGenerator | isAsync, diagnosticMessage); + var node = factory.createMethodDeclaration(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body); + // An exclamation token on a method is invalid syntax and will be handled by the grammar checker + node.exclamationToken = exclamationToken; + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parsePropertyDeclaration(pos, hasJSDoc, decorators, modifiers, name, questionToken) { + var exclamationToken = !questionToken && !scanner.hasPrecedingLineBreak() ? parseOptionalToken(53 /* SyntaxKind.ExclamationToken */) : undefined; + var type = parseTypeAnnotation(); + var initializer = doOutsideOfContext(8192 /* NodeFlags.YieldContext */ | 32768 /* NodeFlags.AwaitContext */ | 4096 /* NodeFlags.DisallowInContext */, parseInitializer); + parseSemicolonAfterPropertyName(name, type, initializer); + var node = factory.createPropertyDeclaration(decorators, modifiers, name, questionToken || exclamationToken, type, initializer); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parsePropertyOrMethodDeclaration(pos, hasJSDoc, decorators, modifiers) { + var asteriskToken = parseOptionalToken(41 /* SyntaxKind.AsteriskToken */); + var name = parsePropertyName(); + // Note: this is not legal as per the grammar. But we allow it in the parser and + // report an error in the grammar checker. + var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */); + if (asteriskToken || token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */) { + return parseMethodDeclaration(pos, hasJSDoc, decorators, modifiers, asteriskToken, name, questionToken, /*exclamationToken*/ undefined, ts.Diagnostics.or_expected); + } + return parsePropertyDeclaration(pos, hasJSDoc, decorators, modifiers, name, questionToken); + } + function parseAccessorDeclaration(pos, hasJSDoc, decorators, modifiers, kind) { + var name = parsePropertyName(); + var typeParameters = parseTypeParameters(); + var parameters = parseParameters(0 /* SignatureFlags.None */); + var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ false); + var body = parseFunctionBlockOrSemicolon(0 /* SignatureFlags.None */); + var node = kind === 172 /* SyntaxKind.GetAccessor */ + ? factory.createGetAccessorDeclaration(decorators, modifiers, name, parameters, type, body) + : factory.createSetAccessorDeclaration(decorators, modifiers, name, parameters, body); + // Keep track of `typeParameters` (for both) and `type` (for setters) if they were parsed those indicate grammar errors + node.typeParameters = typeParameters; + if (type && node.kind === 173 /* SyntaxKind.SetAccessor */) + node.type = type; + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function isClassMemberStart() { + var idToken; + if (token() === 59 /* SyntaxKind.AtToken */) { + return true; + } + // Eat up all modifiers, but hold on to the last one in case it is actually an identifier. + while (ts.isModifierKind(token())) { + idToken = token(); + // If the idToken is a class modifier (protected, private, public, and static), it is + // certain that we are starting to parse class member. This allows better error recovery + // Example: + // public foo() ... // true + // public @dec blah ... // true; we will then report an error later + // export public ... // true; we will then report an error later + if (ts.isClassMemberModifier(idToken)) { + return true; + } + nextToken(); + } + if (token() === 41 /* SyntaxKind.AsteriskToken */) { + return true; + } + // Try to get the first property-like token following all modifiers. + // This can either be an identifier or the 'get' or 'set' keywords. + if (isLiteralPropertyName()) { + idToken = token(); + nextToken(); + } + // Index signatures and computed properties are class members; we can parse. + if (token() === 22 /* SyntaxKind.OpenBracketToken */) { + return true; + } + // If we were able to get any potential identifier... + if (idToken !== undefined) { + // If we have a non-keyword identifier, or if we have an accessor, then it's safe to parse. + if (!ts.isKeyword(idToken) || idToken === 149 /* SyntaxKind.SetKeyword */ || idToken === 136 /* SyntaxKind.GetKeyword */) { + return true; + } + // If it *is* a keyword, but not an accessor, check a little farther along + // to see if it should actually be parsed as a class member. + switch (token()) { + case 20 /* SyntaxKind.OpenParenToken */: // Method declaration + case 29 /* SyntaxKind.LessThanToken */: // Generic Method declaration + case 53 /* SyntaxKind.ExclamationToken */: // Non-null assertion on property name + case 58 /* SyntaxKind.ColonToken */: // Type Annotation for declaration + case 63 /* SyntaxKind.EqualsToken */: // Initializer for declaration + case 57 /* SyntaxKind.QuestionToken */: // Not valid, but permitted so that it gets caught later on. + return true; + default: + // Covers + // - Semicolons (declaration termination) + // - Closing braces (end-of-class, must be declaration) + // - End-of-files (not valid, but permitted so that it gets caught later on) + // - Line-breaks (enabling *automatic semicolon insertion*) + return canParseSemicolon(); + } + } + return false; + } + function parseClassStaticBlockDeclaration(pos, hasJSDoc, decorators, modifiers) { + parseExpectedToken(124 /* SyntaxKind.StaticKeyword */); + var body = parseClassStaticBlockBody(); + return withJSDoc(finishNode(factory.createClassStaticBlockDeclaration(decorators, modifiers, body), pos), hasJSDoc); + } + function parseClassStaticBlockBody() { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(false); + setAwaitContext(true); + var body = parseBlock(/*ignoreMissingOpenBrace*/ false); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return body; + } + function parseDecoratorExpression() { + if (inAwaitContext() && token() === 132 /* SyntaxKind.AwaitKeyword */) { + // `@await` is is disallowed in an [Await] context, but can cause parsing to go off the rails + // This simply parses the missing identifier and moves on. + var pos = getNodePos(); + var awaitExpression = parseIdentifier(ts.Diagnostics.Expression_expected); + nextToken(); + var memberExpression = parseMemberExpressionRest(pos, awaitExpression, /*allowOptionalChain*/ true); + return parseCallExpressionRest(pos, memberExpression); + } + return parseLeftHandSideExpressionOrHigher(); + } + function tryParseDecorator() { + var pos = getNodePos(); + if (!parseOptional(59 /* SyntaxKind.AtToken */)) { + return undefined; + } + var expression = doInDecoratorContext(parseDecoratorExpression); + return finishNode(factory.createDecorator(expression), pos); + } + function parseDecorators() { + var pos = getNodePos(); + var list, decorator; + while (decorator = tryParseDecorator()) { + list = ts.append(list, decorator); + } + return list && createNodeArray(list, pos); + } + function tryParseModifier(permitInvalidConstAsModifier, stopOnStartOfClassStaticBlock, hasSeenStaticModifier) { + var pos = getNodePos(); + var kind = token(); + if (token() === 85 /* SyntaxKind.ConstKeyword */ && permitInvalidConstAsModifier) { + // We need to ensure that any subsequent modifiers appear on the same line + // so that when 'const' is a standalone declaration, we don't issue an error. + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + return undefined; + } + } + else if (stopOnStartOfClassStaticBlock && token() === 124 /* SyntaxKind.StaticKeyword */ && lookAhead(nextTokenIsOpenBrace)) { + return undefined; + } + else if (hasSeenStaticModifier && token() === 124 /* SyntaxKind.StaticKeyword */) { + return undefined; + } + else { + if (!parseAnyContextualModifier()) { + return undefined; + } + } + return finishNode(factory.createToken(kind), pos); + } + /* + * There are situations in which a modifier like 'const' will appear unexpectedly, such as on a class member. + * In those situations, if we are entirely sure that 'const' is not valid on its own (such as when ASI takes effect + * and turns it into a standalone declaration), then it is better to parse it and report an error later. + * + * In such situations, 'permitInvalidConstAsModifier' should be set to true. + */ + function parseModifiers(permitInvalidConstAsModifier, stopOnStartOfClassStaticBlock) { + var pos = getNodePos(); + var list, modifier, hasSeenStatic = false; + while (modifier = tryParseModifier(permitInvalidConstAsModifier, stopOnStartOfClassStaticBlock, hasSeenStatic)) { + if (modifier.kind === 124 /* SyntaxKind.StaticKeyword */) + hasSeenStatic = true; + list = ts.append(list, modifier); + } + return list && createNodeArray(list, pos); + } + function parseModifiersForArrowFunction() { + var modifiers; + if (token() === 131 /* SyntaxKind.AsyncKeyword */) { + var pos = getNodePos(); + nextToken(); + var modifier = finishNode(factory.createToken(131 /* SyntaxKind.AsyncKeyword */), pos); + modifiers = createNodeArray([modifier], pos); + } + return modifiers; + } + function parseClassElement() { + var pos = getNodePos(); + if (token() === 26 /* SyntaxKind.SemicolonToken */) { + nextToken(); + return finishNode(factory.createSemicolonClassElement(), pos); + } + var hasJSDoc = hasPrecedingJSDocComment(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(/*permitInvalidConstAsModifier*/ true, /*stopOnStartOfClassStaticBlock*/ true); + if (token() === 124 /* SyntaxKind.StaticKeyword */ && lookAhead(nextTokenIsOpenBrace)) { + return parseClassStaticBlockDeclaration(pos, hasJSDoc, decorators, modifiers); + } + if (parseContextualModifier(136 /* SyntaxKind.GetKeyword */)) { + return parseAccessorDeclaration(pos, hasJSDoc, decorators, modifiers, 172 /* SyntaxKind.GetAccessor */); + } + if (parseContextualModifier(149 /* SyntaxKind.SetKeyword */)) { + return parseAccessorDeclaration(pos, hasJSDoc, decorators, modifiers, 173 /* SyntaxKind.SetAccessor */); + } + if (token() === 134 /* SyntaxKind.ConstructorKeyword */ || token() === 10 /* SyntaxKind.StringLiteral */) { + var constructorDeclaration = tryParseConstructorDeclaration(pos, hasJSDoc, decorators, modifiers); + if (constructorDeclaration) { + return constructorDeclaration; + } + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(pos, hasJSDoc, decorators, modifiers); + } + // It is very important that we check this *after* checking indexers because + // the [ token can start an index signature or a computed property name + if (ts.tokenIsIdentifierOrKeyword(token()) || + token() === 10 /* SyntaxKind.StringLiteral */ || + token() === 8 /* SyntaxKind.NumericLiteral */ || + token() === 41 /* SyntaxKind.AsteriskToken */ || + token() === 22 /* SyntaxKind.OpenBracketToken */) { + var isAmbient = ts.some(modifiers, isDeclareModifier); + if (isAmbient) { + for (var _i = 0, _a = modifiers; _i < _a.length; _i++) { + var m = _a[_i]; + m.flags |= 16777216 /* NodeFlags.Ambient */; + } + return doInsideOfContext(16777216 /* NodeFlags.Ambient */, function () { return parsePropertyOrMethodDeclaration(pos, hasJSDoc, decorators, modifiers); }); + } + else { + return parsePropertyOrMethodDeclaration(pos, hasJSDoc, decorators, modifiers); + } + } + if (decorators || modifiers) { + // treat this as a property declaration with a missing name. + var name = createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(pos, hasJSDoc, decorators, modifiers, name, /*questionToken*/ undefined); + } + // 'isClassMemberStart' should have hinted not to attempt parsing. + return ts.Debug.fail("Should not have attempted to parse class member declaration."); + } + function parseClassExpression() { + return parseClassDeclarationOrExpression(getNodePos(), hasPrecedingJSDocComment(), /*decorators*/ undefined, /*modifiers*/ undefined, 226 /* SyntaxKind.ClassExpression */); + } + function parseClassDeclaration(pos, hasJSDoc, decorators, modifiers) { + return parseClassDeclarationOrExpression(pos, hasJSDoc, decorators, modifiers, 257 /* SyntaxKind.ClassDeclaration */); + } + function parseClassDeclarationOrExpression(pos, hasJSDoc, decorators, modifiers, kind) { + var savedAwaitContext = inAwaitContext(); + parseExpected(84 /* SyntaxKind.ClassKeyword */); + // We don't parse the name here in await context, instead we will report a grammar error in the checker. + var name = parseNameOfClassDeclarationOrExpression(); + var typeParameters = parseTypeParameters(); + if (ts.some(modifiers, ts.isExportModifier)) + setAwaitContext(/*value*/ true); + var heritageClauses = parseHeritageClauses(); + var members; + if (parseExpected(18 /* SyntaxKind.OpenBraceToken */)) { + // ClassTail[Yield,Await] : (Modified) See 14.5 + // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } + members = parseClassMembers(); + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + } + else { + members = createMissingList(); + } + setAwaitContext(savedAwaitContext); + var node = kind === 257 /* SyntaxKind.ClassDeclaration */ + ? factory.createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) + : factory.createClassExpression(decorators, modifiers, name, typeParameters, heritageClauses, members); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseNameOfClassDeclarationOrExpression() { + // implements is a future reserved word so + // 'class implements' might mean either + // - class expression with omitted name, 'implements' starts heritage clause + // - class with name 'implements' + // 'isImplementsClause' helps to disambiguate between these two cases + return isBindingIdentifier() && !isImplementsClause() + ? createIdentifier(isBindingIdentifier()) + : undefined; + } + function isImplementsClause() { + return token() === 117 /* SyntaxKind.ImplementsKeyword */ && lookAhead(nextTokenIsIdentifierOrKeyword); + } + function parseHeritageClauses() { + // ClassTail[Yield,Await] : (Modified) See 14.5 + // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } + if (isHeritageClause()) { + return parseList(22 /* ParsingContext.HeritageClauses */, parseHeritageClause); + } + return undefined; + } + function parseHeritageClause() { + var pos = getNodePos(); + var tok = token(); + ts.Debug.assert(tok === 94 /* SyntaxKind.ExtendsKeyword */ || tok === 117 /* SyntaxKind.ImplementsKeyword */); // isListElement() should ensure this. + nextToken(); + var types = parseDelimitedList(7 /* ParsingContext.HeritageClauseElement */, parseExpressionWithTypeArguments); + return finishNode(factory.createHeritageClause(tok, types), pos); + } + function parseExpressionWithTypeArguments() { + var pos = getNodePos(); + var expression = parseLeftHandSideExpressionOrHigher(); + if (expression.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */) { + return expression; + } + var typeArguments = tryParseTypeArguments(); + return finishNode(factory.createExpressionWithTypeArguments(expression, typeArguments), pos); + } + function tryParseTypeArguments() { + return token() === 29 /* SyntaxKind.LessThanToken */ ? + parseBracketedList(20 /* ParsingContext.TypeArguments */, parseType, 29 /* SyntaxKind.LessThanToken */, 31 /* SyntaxKind.GreaterThanToken */) : undefined; + } + function isHeritageClause() { + return token() === 94 /* SyntaxKind.ExtendsKeyword */ || token() === 117 /* SyntaxKind.ImplementsKeyword */; + } + function parseClassMembers() { + return parseList(5 /* ParsingContext.ClassMembers */, parseClassElement); + } + function parseInterfaceDeclaration(pos, hasJSDoc, decorators, modifiers) { + parseExpected(118 /* SyntaxKind.InterfaceKeyword */); + var name = parseIdentifier(); + var typeParameters = parseTypeParameters(); + var heritageClauses = parseHeritageClauses(); + var members = parseObjectTypeMembers(); + var node = factory.createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseTypeAliasDeclaration(pos, hasJSDoc, decorators, modifiers) { + parseExpected(152 /* SyntaxKind.TypeKeyword */); + var name = parseIdentifier(); + var typeParameters = parseTypeParameters(); + parseExpected(63 /* SyntaxKind.EqualsToken */); + var type = token() === 138 /* SyntaxKind.IntrinsicKeyword */ && tryParse(parseKeywordAndNoDot) || parseType(); + parseSemicolon(); + var node = factory.createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + // In an ambient declaration, the grammar only allows integer literals as initializers. + // In a non-ambient declaration, the grammar allows uninitialized members only in a + // ConstantEnumMemberSection, which starts at the beginning of an enum declaration + // or any time an integer literal initializer is encountered. + function parseEnumMember() { + var pos = getNodePos(); + var hasJSDoc = hasPrecedingJSDocComment(); + var name = parsePropertyName(); + var initializer = allowInAnd(parseInitializer); + return withJSDoc(finishNode(factory.createEnumMember(name, initializer), pos), hasJSDoc); + } + function parseEnumDeclaration(pos, hasJSDoc, decorators, modifiers) { + parseExpected(92 /* SyntaxKind.EnumKeyword */); + var name = parseIdentifier(); + var members; + if (parseExpected(18 /* SyntaxKind.OpenBraceToken */)) { + members = doOutsideOfYieldAndAwaitContext(function () { return parseDelimitedList(6 /* ParsingContext.EnumMembers */, parseEnumMember); }); + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + } + else { + members = createMissingList(); + } + var node = factory.createEnumDeclaration(decorators, modifiers, name, members); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseModuleBlock() { + var pos = getNodePos(); + var statements; + if (parseExpected(18 /* SyntaxKind.OpenBraceToken */)) { + statements = parseList(1 /* ParsingContext.BlockStatements */, parseStatement); + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + } + else { + statements = createMissingList(); + } + return finishNode(factory.createModuleBlock(statements), pos); + } + function parseModuleOrNamespaceDeclaration(pos, hasJSDoc, decorators, modifiers, flags) { + // If we are parsing a dotted namespace name, we want to + // propagate the 'Namespace' flag across the names if set. + var namespaceFlag = flags & 16 /* NodeFlags.Namespace */; + var name = parseIdentifier(); + var body = parseOptional(24 /* SyntaxKind.DotToken */) + ? parseModuleOrNamespaceDeclaration(getNodePos(), /*hasJSDoc*/ false, /*decorators*/ undefined, /*modifiers*/ undefined, 4 /* NodeFlags.NestedNamespace */ | namespaceFlag) + : parseModuleBlock(); + var node = factory.createModuleDeclaration(decorators, modifiers, name, body, flags); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseAmbientExternalModuleDeclaration(pos, hasJSDoc, decorators, modifiers) { + var flags = 0; + var name; + if (token() === 157 /* SyntaxKind.GlobalKeyword */) { + // parse 'global' as name of global scope augmentation + name = parseIdentifier(); + flags |= 1024 /* NodeFlags.GlobalAugmentation */; + } + else { + name = parseLiteralNode(); + name.text = internIdentifier(name.text); + } + var body; + if (token() === 18 /* SyntaxKind.OpenBraceToken */) { + body = parseModuleBlock(); + } + else { + parseSemicolon(); + } + var node = factory.createModuleDeclaration(decorators, modifiers, name, body, flags); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseModuleDeclaration(pos, hasJSDoc, decorators, modifiers) { + var flags = 0; + if (token() === 157 /* SyntaxKind.GlobalKeyword */) { + // global augmentation + return parseAmbientExternalModuleDeclaration(pos, hasJSDoc, decorators, modifiers); + } + else if (parseOptional(142 /* SyntaxKind.NamespaceKeyword */)) { + flags |= 16 /* NodeFlags.Namespace */; + } + else { + parseExpected(141 /* SyntaxKind.ModuleKeyword */); + if (token() === 10 /* SyntaxKind.StringLiteral */) { + return parseAmbientExternalModuleDeclaration(pos, hasJSDoc, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(pos, hasJSDoc, decorators, modifiers, flags); + } + function isExternalModuleReference() { + return token() === 146 /* SyntaxKind.RequireKeyword */ && + lookAhead(nextTokenIsOpenParen); + } + function nextTokenIsOpenParen() { + return nextToken() === 20 /* SyntaxKind.OpenParenToken */; + } + function nextTokenIsOpenBrace() { + return nextToken() === 18 /* SyntaxKind.OpenBraceToken */; + } + function nextTokenIsSlash() { + return nextToken() === 43 /* SyntaxKind.SlashToken */; + } + function parseNamespaceExportDeclaration(pos, hasJSDoc, decorators, modifiers) { + parseExpected(127 /* SyntaxKind.AsKeyword */); + parseExpected(142 /* SyntaxKind.NamespaceKeyword */); + var name = parseIdentifier(); + parseSemicolon(); + var node = factory.createNamespaceExportDeclaration(name); + // NamespaceExportDeclaration nodes cannot have decorators or modifiers, so we attach them here so we can report them in the grammar checker + node.decorators = decorators; + node.modifiers = modifiers; + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseImportDeclarationOrImportEqualsDeclaration(pos, hasJSDoc, decorators, modifiers) { + parseExpected(100 /* SyntaxKind.ImportKeyword */); + var afterImportPos = scanner.getStartPos(); + // We don't parse the identifier here in await context, instead we will report a grammar error in the checker. + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + } + var isTypeOnly = false; + if (token() !== 156 /* SyntaxKind.FromKeyword */ && + (identifier === null || identifier === void 0 ? void 0 : identifier.escapedText) === "type" && + (isIdentifier() || tokenAfterImportDefinitelyProducesImportDeclaration())) { + isTypeOnly = true; + identifier = isIdentifier() ? parseIdentifier() : undefined; + } + if (identifier && !tokenAfterImportedIdentifierDefinitelyProducesImportDeclaration()) { + return parseImportEqualsDeclaration(pos, hasJSDoc, decorators, modifiers, identifier, isTypeOnly); + } + // ImportDeclaration: + // import ImportClause from ModuleSpecifier ; + // import ModuleSpecifier; + var importClause; + if (identifier || // import id + token() === 41 /* SyntaxKind.AsteriskToken */ || // import * + token() === 18 /* SyntaxKind.OpenBraceToken */ // import { + ) { + importClause = parseImportClause(identifier, afterImportPos, isTypeOnly); + parseExpected(156 /* SyntaxKind.FromKeyword */); + } + var moduleSpecifier = parseModuleSpecifier(); + var assertClause; + if (token() === 129 /* SyntaxKind.AssertKeyword */ && !scanner.hasPrecedingLineBreak()) { + assertClause = parseAssertClause(); + } + parseSemicolon(); + var node = factory.createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, assertClause); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseAssertEntry() { + var pos = getNodePos(); + var name = ts.tokenIsIdentifierOrKeyword(token()) ? parseIdentifierName() : parseLiteralLikeNode(10 /* SyntaxKind.StringLiteral */); + parseExpected(58 /* SyntaxKind.ColonToken */); + var value = parseAssignmentExpressionOrHigher(); + return finishNode(factory.createAssertEntry(name, value), pos); + } + function parseAssertClause(skipAssertKeyword) { + var pos = getNodePos(); + if (!skipAssertKeyword) { + parseExpected(129 /* SyntaxKind.AssertKeyword */); + } + var openBracePosition = scanner.getTokenPos(); + if (parseExpected(18 /* SyntaxKind.OpenBraceToken */)) { + var multiLine = scanner.hasPrecedingLineBreak(); + var elements = parseDelimitedList(24 /* ParsingContext.AssertEntries */, parseAssertEntry, /*considerSemicolonAsDelimiter*/ true); + if (!parseExpected(19 /* SyntaxKind.CloseBraceToken */)) { + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (lastError && lastError.code === ts.Diagnostics._0_expected.code) { + ts.addRelatedInfo(lastError, ts.createDetachedDiagnostic(fileName, openBracePosition, 1, ts.Diagnostics.The_parser_expected_to_find_a_1_to_match_the_0_token_here, "{", "}")); + } + } + return finishNode(factory.createAssertClause(elements, multiLine), pos); + } + else { + var elements = createNodeArray([], getNodePos(), /*end*/ undefined, /*hasTrailingComma*/ false); + return finishNode(factory.createAssertClause(elements, /*multiLine*/ false), pos); + } + } + function tokenAfterImportDefinitelyProducesImportDeclaration() { + return token() === 41 /* SyntaxKind.AsteriskToken */ || token() === 18 /* SyntaxKind.OpenBraceToken */; + } + function tokenAfterImportedIdentifierDefinitelyProducesImportDeclaration() { + // In `import id ___`, the current token decides whether to produce + // an ImportDeclaration or ImportEqualsDeclaration. + return token() === 27 /* SyntaxKind.CommaToken */ || token() === 156 /* SyntaxKind.FromKeyword */; + } + function parseImportEqualsDeclaration(pos, hasJSDoc, decorators, modifiers, identifier, isTypeOnly) { + parseExpected(63 /* SyntaxKind.EqualsToken */); + var moduleReference = parseModuleReference(); + parseSemicolon(); + var node = factory.createImportEqualsDeclaration(decorators, modifiers, isTypeOnly, identifier, moduleReference); + var finished = withJSDoc(finishNode(node, pos), hasJSDoc); + return finished; + } + function parseImportClause(identifier, pos, isTypeOnly) { + // ImportClause: + // ImportedDefaultBinding + // NameSpaceImport + // NamedImports + // ImportedDefaultBinding, NameSpaceImport + // ImportedDefaultBinding, NamedImports + // If there was no default import or if there is comma token after default import + // parse namespace or named imports + var namedBindings; + if (!identifier || + parseOptional(27 /* SyntaxKind.CommaToken */)) { + namedBindings = token() === 41 /* SyntaxKind.AsteriskToken */ ? parseNamespaceImport() : parseNamedImportsOrExports(269 /* SyntaxKind.NamedImports */); + } + return finishNode(factory.createImportClause(isTypeOnly, identifier, namedBindings), pos); + } + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(/*allowReservedWords*/ false); + } + function parseExternalModuleReference() { + var pos = getNodePos(); + parseExpected(146 /* SyntaxKind.RequireKeyword */); + parseExpected(20 /* SyntaxKind.OpenParenToken */); + var expression = parseModuleSpecifier(); + parseExpected(21 /* SyntaxKind.CloseParenToken */); + return finishNode(factory.createExternalModuleReference(expression), pos); + } + function parseModuleSpecifier() { + if (token() === 10 /* SyntaxKind.StringLiteral */) { + var result = parseLiteralNode(); + result.text = internIdentifier(result.text); + return result; + } + else { + // We allow arbitrary expressions here, even though the grammar only allows string + // literals. We check to ensure that it is only a string literal later in the grammar + // check pass. + return parseExpression(); + } + } + function parseNamespaceImport() { + // NameSpaceImport: + // * as ImportedBinding + var pos = getNodePos(); + parseExpected(41 /* SyntaxKind.AsteriskToken */); + parseExpected(127 /* SyntaxKind.AsKeyword */); + var name = parseIdentifier(); + return finishNode(factory.createNamespaceImport(name), pos); + } + function parseNamedImportsOrExports(kind) { + var pos = getNodePos(); + // NamedImports: + // { } + // { ImportsList } + // { ImportsList, } + // ImportsList: + // ImportSpecifier + // ImportsList, ImportSpecifier + var node = kind === 269 /* SyntaxKind.NamedImports */ + ? factory.createNamedImports(parseBracketedList(23 /* ParsingContext.ImportOrExportSpecifiers */, parseImportSpecifier, 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */)) + : factory.createNamedExports(parseBracketedList(23 /* ParsingContext.ImportOrExportSpecifiers */, parseExportSpecifier, 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */)); + return finishNode(node, pos); + } + function parseExportSpecifier() { + var hasJSDoc = hasPrecedingJSDocComment(); + return withJSDoc(parseImportOrExportSpecifier(275 /* SyntaxKind.ExportSpecifier */), hasJSDoc); + } + function parseImportSpecifier() { + return parseImportOrExportSpecifier(270 /* SyntaxKind.ImportSpecifier */); + } + function parseImportOrExportSpecifier(kind) { + var pos = getNodePos(); + // ImportSpecifier: + // BindingIdentifier + // IdentifierName as BindingIdentifier + // ExportSpecifier: + // IdentifierName + // IdentifierName as IdentifierName + var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var isTypeOnly = false; + var propertyName; + var canParseAsKeyword = true; + var name = parseIdentifierName(); + if (name.escapedText === "type") { + // If the first token of an import specifier is 'type', there are a lot of possibilities, + // especially if we see 'as' afterwards: + // + // import { type } from "mod"; - isTypeOnly: false, name: type + // import { type as } from "mod"; - isTypeOnly: true, name: as + // import { type as as } from "mod"; - isTypeOnly: false, name: as, propertyName: type + // import { type as as as } from "mod"; - isTypeOnly: true, name: as, propertyName: as + if (token() === 127 /* SyntaxKind.AsKeyword */) { + // { type as ...? } + var firstAs = parseIdentifierName(); + if (token() === 127 /* SyntaxKind.AsKeyword */) { + // { type as as ...? } + var secondAs = parseIdentifierName(); + if (ts.tokenIsIdentifierOrKeyword(token())) { + // { type as as something } + isTypeOnly = true; + propertyName = firstAs; + name = parseNameWithKeywordCheck(); + canParseAsKeyword = false; + } + else { + // { type as as } + propertyName = name; + name = secondAs; + canParseAsKeyword = false; + } + } + else if (ts.tokenIsIdentifierOrKeyword(token())) { + // { type as something } + propertyName = name; + canParseAsKeyword = false; + name = parseNameWithKeywordCheck(); + } + else { + // { type as } + isTypeOnly = true; + name = firstAs; + } + } + else if (ts.tokenIsIdentifierOrKeyword(token())) { + // { type something ...? } + isTypeOnly = true; + name = parseNameWithKeywordCheck(); + } + } + if (canParseAsKeyword && token() === 127 /* SyntaxKind.AsKeyword */) { + propertyName = name; + parseExpected(127 /* SyntaxKind.AsKeyword */); + name = parseNameWithKeywordCheck(); + } + if (kind === 270 /* SyntaxKind.ImportSpecifier */ && checkIdentifierIsKeyword) { + parseErrorAt(checkIdentifierStart, checkIdentifierEnd, ts.Diagnostics.Identifier_expected); + } + var node = kind === 270 /* SyntaxKind.ImportSpecifier */ + ? factory.createImportSpecifier(isTypeOnly, propertyName, name) + : factory.createExportSpecifier(isTypeOnly, propertyName, name); + return finishNode(node, pos); + function parseNameWithKeywordCheck() { + checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + return parseIdentifierName(); + } + } + function parseNamespaceExport(pos) { + return finishNode(factory.createNamespaceExport(parseIdentifierName()), pos); + } + function parseExportDeclaration(pos, hasJSDoc, decorators, modifiers) { + var savedAwaitContext = inAwaitContext(); + setAwaitContext(/*value*/ true); + var exportClause; + var moduleSpecifier; + var assertClause; + var isTypeOnly = parseOptional(152 /* SyntaxKind.TypeKeyword */); + var namespaceExportPos = getNodePos(); + if (parseOptional(41 /* SyntaxKind.AsteriskToken */)) { + if (parseOptional(127 /* SyntaxKind.AsKeyword */)) { + exportClause = parseNamespaceExport(namespaceExportPos); + } + parseExpected(156 /* SyntaxKind.FromKeyword */); + moduleSpecifier = parseModuleSpecifier(); + } + else { + exportClause = parseNamedImportsOrExports(273 /* SyntaxKind.NamedExports */); + // It is not uncommon to accidentally omit the 'from' keyword. Additionally, in editing scenarios, + // the 'from' keyword can be parsed as a named export when the export clause is unterminated (i.e. `export { from "moduleName";`) + // If we don't have a 'from' keyword, see if we have a string literal such that ASI won't take effect. + if (token() === 156 /* SyntaxKind.FromKeyword */ || (token() === 10 /* SyntaxKind.StringLiteral */ && !scanner.hasPrecedingLineBreak())) { + parseExpected(156 /* SyntaxKind.FromKeyword */); + moduleSpecifier = parseModuleSpecifier(); + } + } + if (moduleSpecifier && token() === 129 /* SyntaxKind.AssertKeyword */ && !scanner.hasPrecedingLineBreak()) { + assertClause = parseAssertClause(); + } + parseSemicolon(); + setAwaitContext(savedAwaitContext); + var node = factory.createExportDeclaration(decorators, modifiers, isTypeOnly, exportClause, moduleSpecifier, assertClause); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + function parseExportAssignment(pos, hasJSDoc, decorators, modifiers) { + var savedAwaitContext = inAwaitContext(); + setAwaitContext(/*value*/ true); + var isExportEquals; + if (parseOptional(63 /* SyntaxKind.EqualsToken */)) { + isExportEquals = true; + } + else { + parseExpected(88 /* SyntaxKind.DefaultKeyword */); + } + var expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + setAwaitContext(savedAwaitContext); + var node = factory.createExportAssignment(decorators, modifiers, isExportEquals, expression); + return withJSDoc(finishNode(node, pos), hasJSDoc); + } + var ParsingContext; + (function (ParsingContext) { + ParsingContext[ParsingContext["SourceElements"] = 0] = "SourceElements"; + ParsingContext[ParsingContext["BlockStatements"] = 1] = "BlockStatements"; + ParsingContext[ParsingContext["SwitchClauses"] = 2] = "SwitchClauses"; + ParsingContext[ParsingContext["SwitchClauseStatements"] = 3] = "SwitchClauseStatements"; + ParsingContext[ParsingContext["TypeMembers"] = 4] = "TypeMembers"; + ParsingContext[ParsingContext["ClassMembers"] = 5] = "ClassMembers"; + ParsingContext[ParsingContext["EnumMembers"] = 6] = "EnumMembers"; + ParsingContext[ParsingContext["HeritageClauseElement"] = 7] = "HeritageClauseElement"; + ParsingContext[ParsingContext["VariableDeclarations"] = 8] = "VariableDeclarations"; + ParsingContext[ParsingContext["ObjectBindingElements"] = 9] = "ObjectBindingElements"; + ParsingContext[ParsingContext["ArrayBindingElements"] = 10] = "ArrayBindingElements"; + ParsingContext[ParsingContext["ArgumentExpressions"] = 11] = "ArgumentExpressions"; + ParsingContext[ParsingContext["ObjectLiteralMembers"] = 12] = "ObjectLiteralMembers"; + ParsingContext[ParsingContext["JsxAttributes"] = 13] = "JsxAttributes"; + ParsingContext[ParsingContext["JsxChildren"] = 14] = "JsxChildren"; + ParsingContext[ParsingContext["ArrayLiteralMembers"] = 15] = "ArrayLiteralMembers"; + ParsingContext[ParsingContext["Parameters"] = 16] = "Parameters"; + ParsingContext[ParsingContext["JSDocParameters"] = 17] = "JSDocParameters"; + ParsingContext[ParsingContext["RestProperties"] = 18] = "RestProperties"; + ParsingContext[ParsingContext["TypeParameters"] = 19] = "TypeParameters"; + ParsingContext[ParsingContext["TypeArguments"] = 20] = "TypeArguments"; + ParsingContext[ParsingContext["TupleElementTypes"] = 21] = "TupleElementTypes"; + ParsingContext[ParsingContext["HeritageClauses"] = 22] = "HeritageClauses"; + ParsingContext[ParsingContext["ImportOrExportSpecifiers"] = 23] = "ImportOrExportSpecifiers"; + ParsingContext[ParsingContext["AssertEntries"] = 24] = "AssertEntries"; + ParsingContext[ParsingContext["Count"] = 25] = "Count"; // Number of parsing contexts + })(ParsingContext || (ParsingContext = {})); + var Tristate; + (function (Tristate) { + Tristate[Tristate["False"] = 0] = "False"; + Tristate[Tristate["True"] = 1] = "True"; + Tristate[Tristate["Unknown"] = 2] = "Unknown"; + })(Tristate || (Tristate = {})); + var JSDocParser; + (function (JSDocParser) { + function parseJSDocTypeExpressionForTests(content, start, length) { + initializeState("file.js", content, 99 /* ScriptTarget.Latest */, /*_syntaxCursor:*/ undefined, 1 /* ScriptKind.JS */); + scanner.setText(content, start, length); + currentToken = scanner.scan(); + var jsDocTypeExpression = parseJSDocTypeExpression(); + var sourceFile = createSourceFile("file.js", 99 /* ScriptTarget.Latest */, 1 /* ScriptKind.JS */, /*isDeclarationFile*/ false, [], factory.createToken(1 /* SyntaxKind.EndOfFileToken */), 0 /* NodeFlags.None */, ts.noop); + var diagnostics = ts.attachFileToDiagnostics(parseDiagnostics, sourceFile); + if (jsDocDiagnostics) { + sourceFile.jsDocDiagnostics = ts.attachFileToDiagnostics(jsDocDiagnostics, sourceFile); + } + clearState(); + return jsDocTypeExpression ? { jsDocTypeExpression: jsDocTypeExpression, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + // Parses out a JSDoc type expression. + function parseJSDocTypeExpression(mayOmitBraces) { + var pos = getNodePos(); + var hasBrace = (mayOmitBraces ? parseOptional : parseExpected)(18 /* SyntaxKind.OpenBraceToken */); + var type = doInsideOfContext(8388608 /* NodeFlags.JSDoc */, parseJSDocType); + if (!mayOmitBraces || hasBrace) { + parseExpectedJSDoc(19 /* SyntaxKind.CloseBraceToken */); + } + var result = factory.createJSDocTypeExpression(type); + fixupParentReferences(result); + return finishNode(result, pos); + } + JSDocParser.parseJSDocTypeExpression = parseJSDocTypeExpression; + function parseJSDocNameReference() { + var pos = getNodePos(); + var hasBrace = parseOptional(18 /* SyntaxKind.OpenBraceToken */); + var p2 = getNodePos(); + var entityName = parseEntityName(/* allowReservedWords*/ false); + while (token() === 80 /* SyntaxKind.PrivateIdentifier */) { + reScanHashToken(); // rescan #id as # id + nextTokenJSDoc(); // then skip the # + entityName = finishNode(factory.createJSDocMemberName(entityName, parseIdentifier()), p2); + } + if (hasBrace) { + parseExpectedJSDoc(19 /* SyntaxKind.CloseBraceToken */); + } + var result = factory.createJSDocNameReference(entityName); + fixupParentReferences(result); + return finishNode(result, pos); + } + JSDocParser.parseJSDocNameReference = parseJSDocNameReference; + function parseIsolatedJSDocComment(content, start, length) { + initializeState("", content, 99 /* ScriptTarget.Latest */, /*_syntaxCursor:*/ undefined, 1 /* ScriptKind.JS */); + var jsDoc = doInsideOfContext(8388608 /* NodeFlags.JSDoc */, function () { return parseJSDocCommentWorker(start, length); }); + var sourceFile = { languageVariant: 0 /* LanguageVariant.Standard */, text: content }; + var diagnostics = ts.attachFileToDiagnostics(parseDiagnostics, sourceFile); + clearState(); + return jsDoc ? { jsDoc: jsDoc, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = currentToken; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = doInsideOfContext(8388608 /* NodeFlags.JSDoc */, function () { return parseJSDocCommentWorker(start, length); }); + ts.setParent(comment, parent); + if (contextFlags & 262144 /* NodeFlags.JavaScriptFile */) { + if (!jsDocDiagnostics) { + jsDocDiagnostics = []; + } + jsDocDiagnostics.push.apply(jsDocDiagnostics, parseDiagnostics); + } + currentToken = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + var JSDocState; + (function (JSDocState) { + JSDocState[JSDocState["BeginningOfLine"] = 0] = "BeginningOfLine"; + JSDocState[JSDocState["SawAsterisk"] = 1] = "SawAsterisk"; + JSDocState[JSDocState["SavingComments"] = 2] = "SavingComments"; + JSDocState[JSDocState["SavingBackticks"] = 3] = "SavingBackticks"; + })(JSDocState || (JSDocState = {})); + var PropertyLikeParse; + (function (PropertyLikeParse) { + PropertyLikeParse[PropertyLikeParse["Property"] = 1] = "Property"; + PropertyLikeParse[PropertyLikeParse["Parameter"] = 2] = "Parameter"; + PropertyLikeParse[PropertyLikeParse["CallbackParameter"] = 4] = "CallbackParameter"; + })(PropertyLikeParse || (PropertyLikeParse = {})); + function parseJSDocCommentWorker(start, length) { + if (start === void 0) { start = 0; } + var content = sourceText; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + // Check for /** (JSDoc opening part) + if (!isJSDocLikeText(content, start)) { + return undefined; + } + var tags; + var tagsPos; + var tagsEnd; + var linkEnd; + var commentsPos; + var comments = []; + var parts = []; + // + 3 for leading /**, - 5 in total for /** */ + return scanner.scanRange(start + 3, length - 5, function () { + // Initially we can parse out a tag. We also have seen a starting asterisk. + // This is so that /** * @type */ doesn't parse. + var state = 1 /* JSDocState.SawAsterisk */; + var margin; + // + 4 for leading '/** ' + // + 1 because the last index of \n is always one index before the first character in the line and coincidentally, if there is no \n before start, it is -1, which is also one index before the first character + var indent = start - (content.lastIndexOf("\n", start) + 1) + 4; + function pushComment(text) { + if (!margin) { + margin = indent; + } + comments.push(text); + indent += text.length; + } + nextTokenJSDoc(); + while (parseOptionalJsdoc(5 /* SyntaxKind.WhitespaceTrivia */)) + ; + if (parseOptionalJsdoc(4 /* SyntaxKind.NewLineTrivia */)) { + state = 0 /* JSDocState.BeginningOfLine */; + indent = 0; + } + loop: while (true) { + switch (token()) { + case 59 /* SyntaxKind.AtToken */: + if (state === 0 /* JSDocState.BeginningOfLine */ || state === 1 /* JSDocState.SawAsterisk */) { + removeTrailingWhitespace(comments); + if (!commentsPos) + commentsPos = getNodePos(); + addTag(parseTag(indent)); + // NOTE: According to usejsdoc.org, a tag goes to end of line, except the last tag. + // Real-world comments may break this rule, so "BeginningOfLine" will not be a real line beginning + // for malformed examples like `/** @param {string} x @returns {number} the length */` + state = 0 /* JSDocState.BeginningOfLine */; + margin = undefined; + } + else { + pushComment(scanner.getTokenText()); + } + break; + case 4 /* SyntaxKind.NewLineTrivia */: + comments.push(scanner.getTokenText()); + state = 0 /* JSDocState.BeginningOfLine */; + indent = 0; + break; + case 41 /* SyntaxKind.AsteriskToken */: + var asterisk = scanner.getTokenText(); + if (state === 1 /* JSDocState.SawAsterisk */ || state === 2 /* JSDocState.SavingComments */) { + // If we've already seen an asterisk, then we can no longer parse a tag on this line + state = 2 /* JSDocState.SavingComments */; + pushComment(asterisk); + } + else { + // Ignore the first asterisk on a line + state = 1 /* JSDocState.SawAsterisk */; + indent += asterisk.length; + } + break; + case 5 /* SyntaxKind.WhitespaceTrivia */: + // only collect whitespace if we're already saving comments or have just crossed the comment indent margin + var whitespace = scanner.getTokenText(); + if (state === 2 /* JSDocState.SavingComments */) { + comments.push(whitespace); + } + else if (margin !== undefined && indent + whitespace.length > margin) { + comments.push(whitespace.slice(margin - indent)); + } + indent += whitespace.length; + break; + case 1 /* SyntaxKind.EndOfFileToken */: + break loop; + case 18 /* SyntaxKind.OpenBraceToken */: + state = 2 /* JSDocState.SavingComments */; + var commentEnd = scanner.getStartPos(); + var linkStart = scanner.getTextPos() - 1; + var link = parseJSDocLink(linkStart); + if (link) { + if (!linkEnd) { + removeLeadingNewlines(comments); + } + parts.push(finishNode(factory.createJSDocText(comments.join("")), linkEnd !== null && linkEnd !== void 0 ? linkEnd : start, commentEnd)); + parts.push(link); + comments = []; + linkEnd = scanner.getTextPos(); + break; + } + // fallthrough if it's not a {@link sequence + default: + // Anything else is doc comment text. We just save it. Because it + // wasn't a tag, we can no longer parse a tag on this line until we hit the next + // line break. + state = 2 /* JSDocState.SavingComments */; + pushComment(scanner.getTokenText()); + break; + } + nextTokenJSDoc(); + } + removeTrailingWhitespace(comments); + if (parts.length && comments.length) { + parts.push(finishNode(factory.createJSDocText(comments.join("")), linkEnd !== null && linkEnd !== void 0 ? linkEnd : start, commentsPos)); + } + if (parts.length && tags) + ts.Debug.assertIsDefined(commentsPos, "having parsed tags implies that the end of the comment span should be set"); + var tagsArray = tags && createNodeArray(tags, tagsPos, tagsEnd); + return finishNode(factory.createJSDocComment(parts.length ? createNodeArray(parts, start, commentsPos) : comments.length ? comments.join("") : undefined, tagsArray), start, end); + }); + function removeLeadingNewlines(comments) { + while (comments.length && (comments[0] === "\n" || comments[0] === "\r")) { + comments.shift(); + } + } + function removeTrailingWhitespace(comments) { + while (comments.length && comments[comments.length - 1].trim() === "") { + comments.pop(); + } + } + function isNextNonwhitespaceTokenEndOfFile() { + // We must use infinite lookahead, as there could be any number of newlines :( + while (true) { + nextTokenJSDoc(); + if (token() === 1 /* SyntaxKind.EndOfFileToken */) { + return true; + } + if (!(token() === 5 /* SyntaxKind.WhitespaceTrivia */ || token() === 4 /* SyntaxKind.NewLineTrivia */)) { + return false; + } + } + } + function skipWhitespace() { + if (token() === 5 /* SyntaxKind.WhitespaceTrivia */ || token() === 4 /* SyntaxKind.NewLineTrivia */) { + if (lookAhead(isNextNonwhitespaceTokenEndOfFile)) { + return; // Don't skip whitespace prior to EoF (or end of comment) - that shouldn't be included in any node's range + } + } + while (token() === 5 /* SyntaxKind.WhitespaceTrivia */ || token() === 4 /* SyntaxKind.NewLineTrivia */) { + nextTokenJSDoc(); + } + } + function skipWhitespaceOrAsterisk() { + if (token() === 5 /* SyntaxKind.WhitespaceTrivia */ || token() === 4 /* SyntaxKind.NewLineTrivia */) { + if (lookAhead(isNextNonwhitespaceTokenEndOfFile)) { + return ""; // Don't skip whitespace prior to EoF (or end of comment) - that shouldn't be included in any node's range + } + } + var precedingLineBreak = scanner.hasPrecedingLineBreak(); + var seenLineBreak = false; + var indentText = ""; + while ((precedingLineBreak && token() === 41 /* SyntaxKind.AsteriskToken */) || token() === 5 /* SyntaxKind.WhitespaceTrivia */ || token() === 4 /* SyntaxKind.NewLineTrivia */) { + indentText += scanner.getTokenText(); + if (token() === 4 /* SyntaxKind.NewLineTrivia */) { + precedingLineBreak = true; + seenLineBreak = true; + indentText = ""; + } + else if (token() === 41 /* SyntaxKind.AsteriskToken */) { + precedingLineBreak = false; + } + nextTokenJSDoc(); + } + return seenLineBreak ? indentText : ""; + } + function parseTag(margin) { + ts.Debug.assert(token() === 59 /* SyntaxKind.AtToken */); + var start = scanner.getTokenPos(); + nextTokenJSDoc(); + var tagName = parseJSDocIdentifierName(/*message*/ undefined); + var indentText = skipWhitespaceOrAsterisk(); + var tag; + switch (tagName.escapedText) { + case "author": + tag = parseAuthorTag(start, tagName, margin, indentText); + break; + case "implements": + tag = parseImplementsTag(start, tagName, margin, indentText); + break; + case "augments": + case "extends": + tag = parseAugmentsTag(start, tagName, margin, indentText); + break; + case "class": + case "constructor": + tag = parseSimpleTag(start, factory.createJSDocClassTag, tagName, margin, indentText); + break; + case "public": + tag = parseSimpleTag(start, factory.createJSDocPublicTag, tagName, margin, indentText); + break; + case "private": + tag = parseSimpleTag(start, factory.createJSDocPrivateTag, tagName, margin, indentText); + break; + case "protected": + tag = parseSimpleTag(start, factory.createJSDocProtectedTag, tagName, margin, indentText); + break; + case "readonly": + tag = parseSimpleTag(start, factory.createJSDocReadonlyTag, tagName, margin, indentText); + break; + case "override": + tag = parseSimpleTag(start, factory.createJSDocOverrideTag, tagName, margin, indentText); + break; + case "deprecated": + hasDeprecatedTag = true; + tag = parseSimpleTag(start, factory.createJSDocDeprecatedTag, tagName, margin, indentText); + break; + case "this": + tag = parseThisTag(start, tagName, margin, indentText); + break; + case "enum": + tag = parseEnumTag(start, tagName, margin, indentText); + break; + case "arg": + case "argument": + case "param": + return parseParameterOrPropertyTag(start, tagName, 2 /* PropertyLikeParse.Parameter */, margin); + case "return": + case "returns": + tag = parseReturnTag(start, tagName, margin, indentText); + break; + case "template": + tag = parseTemplateTag(start, tagName, margin, indentText); + break; + case "type": + tag = parseTypeTag(start, tagName, margin, indentText); + break; + case "typedef": + tag = parseTypedefTag(start, tagName, margin, indentText); + break; + case "callback": + tag = parseCallbackTag(start, tagName, margin, indentText); + break; + case "see": + tag = parseSeeTag(start, tagName, margin, indentText); + break; + default: + tag = parseUnknownTag(start, tagName, margin, indentText); + break; + } + return tag; + } + function parseTrailingTagComments(pos, end, margin, indentText) { + // some tags, like typedef and callback, have already parsed their comments earlier + if (!indentText) { + margin += end - pos; + } + return parseTagComments(margin, indentText.slice(margin)); + } + function parseTagComments(indent, initialMargin) { + var commentsPos = getNodePos(); + var comments = []; + var parts = []; + var linkEnd; + var state = 0 /* JSDocState.BeginningOfLine */; + var previousWhitespace = true; + var margin; + function pushComment(text) { + if (!margin) { + margin = indent; + } + comments.push(text); + indent += text.length; + } + if (initialMargin !== undefined) { + // jump straight to saving comments if there is some initial indentation + if (initialMargin !== "") { + pushComment(initialMargin); + } + state = 1 /* JSDocState.SawAsterisk */; + } + var tok = token(); + loop: while (true) { + switch (tok) { + case 4 /* SyntaxKind.NewLineTrivia */: + state = 0 /* JSDocState.BeginningOfLine */; + // don't use pushComment here because we want to keep the margin unchanged + comments.push(scanner.getTokenText()); + indent = 0; + break; + case 59 /* SyntaxKind.AtToken */: + if (state === 3 /* JSDocState.SavingBackticks */ + || state === 2 /* JSDocState.SavingComments */ && (!previousWhitespace || lookAhead(isNextJSDocTokenWhitespace))) { + // @ doesn't start a new tag inside ``, and inside a comment, only after whitespace or not before whitespace + comments.push(scanner.getTokenText()); + break; + } + scanner.setTextPos(scanner.getTextPos() - 1); + // falls through + case 1 /* SyntaxKind.EndOfFileToken */: + // Done + break loop; + case 5 /* SyntaxKind.WhitespaceTrivia */: + if (state === 2 /* JSDocState.SavingComments */ || state === 3 /* JSDocState.SavingBackticks */) { + pushComment(scanner.getTokenText()); + } + else { + var whitespace = scanner.getTokenText(); + // if the whitespace crosses the margin, take only the whitespace that passes the margin + if (margin !== undefined && indent + whitespace.length > margin) { + comments.push(whitespace.slice(margin - indent)); + } + indent += whitespace.length; + } + break; + case 18 /* SyntaxKind.OpenBraceToken */: + state = 2 /* JSDocState.SavingComments */; + var commentEnd = scanner.getStartPos(); + var linkStart = scanner.getTextPos() - 1; + var link = parseJSDocLink(linkStart); + if (link) { + parts.push(finishNode(factory.createJSDocText(comments.join("")), linkEnd !== null && linkEnd !== void 0 ? linkEnd : commentsPos, commentEnd)); + parts.push(link); + comments = []; + linkEnd = scanner.getTextPos(); + } + else { + pushComment(scanner.getTokenText()); + } + break; + case 61 /* SyntaxKind.BacktickToken */: + if (state === 3 /* JSDocState.SavingBackticks */) { + state = 2 /* JSDocState.SavingComments */; + } + else { + state = 3 /* JSDocState.SavingBackticks */; + } + pushComment(scanner.getTokenText()); + break; + case 41 /* SyntaxKind.AsteriskToken */: + if (state === 0 /* JSDocState.BeginningOfLine */) { + // leading asterisks start recording on the *next* (non-whitespace) token + state = 1 /* JSDocState.SawAsterisk */; + indent += 1; + break; + } + // record the * as a comment + // falls through + default: + if (state !== 3 /* JSDocState.SavingBackticks */) { + state = 2 /* JSDocState.SavingComments */; // leading identifiers start recording as well + } + pushComment(scanner.getTokenText()); + break; + } + previousWhitespace = token() === 5 /* SyntaxKind.WhitespaceTrivia */; + tok = nextTokenJSDoc(); + } + removeLeadingNewlines(comments); + removeTrailingWhitespace(comments); + if (parts.length) { + if (comments.length) { + parts.push(finishNode(factory.createJSDocText(comments.join("")), linkEnd !== null && linkEnd !== void 0 ? linkEnd : commentsPos)); + } + return createNodeArray(parts, commentsPos, scanner.getTextPos()); + } + else if (comments.length) { + return comments.join(""); + } + } + function isNextJSDocTokenWhitespace() { + var next = nextTokenJSDoc(); + return next === 5 /* SyntaxKind.WhitespaceTrivia */ || next === 4 /* SyntaxKind.NewLineTrivia */; + } + function parseJSDocLink(start) { + var linkType = tryParse(parseJSDocLinkPrefix); + if (!linkType) { + return undefined; + } + nextTokenJSDoc(); // start at token after link, then skip any whitespace + skipWhitespace(); + // parseEntityName logs an error for non-identifier, so create a MissingNode ourselves to avoid the error + var p2 = getNodePos(); + var name = ts.tokenIsIdentifierOrKeyword(token()) + ? parseEntityName(/*allowReservedWords*/ true) + : undefined; + if (name) { + while (token() === 80 /* SyntaxKind.PrivateIdentifier */) { + reScanHashToken(); // rescan #id as # id + nextTokenJSDoc(); // then skip the # + name = finishNode(factory.createJSDocMemberName(name, parseIdentifier()), p2); + } + } + var text = []; + while (token() !== 19 /* SyntaxKind.CloseBraceToken */ && token() !== 4 /* SyntaxKind.NewLineTrivia */ && token() !== 1 /* SyntaxKind.EndOfFileToken */) { + text.push(scanner.getTokenText()); + nextTokenJSDoc(); + } + var create = linkType === "link" ? factory.createJSDocLink + : linkType === "linkcode" ? factory.createJSDocLinkCode + : factory.createJSDocLinkPlain; + return finishNode(create(name, text.join("")), start, scanner.getTextPos()); + } + function parseJSDocLinkPrefix() { + skipWhitespaceOrAsterisk(); + if (token() === 18 /* SyntaxKind.OpenBraceToken */ + && nextTokenJSDoc() === 59 /* SyntaxKind.AtToken */ + && ts.tokenIsIdentifierOrKeyword(nextTokenJSDoc())) { + var kind = scanner.getTokenValue(); + if (isJSDocLinkTag(kind)) + return kind; + } + } + function isJSDocLinkTag(kind) { + return kind === "link" || kind === "linkcode" || kind === "linkplain"; + } + function parseUnknownTag(start, tagName, indent, indentText) { + return finishNode(factory.createJSDocUnknownTag(tagName, parseTrailingTagComments(start, getNodePos(), indent, indentText)), start); + } + function addTag(tag) { + if (!tag) { + return; + } + if (!tags) { + tags = [tag]; + tagsPos = tag.pos; + } + else { + tags.push(tag); + } + tagsEnd = tag.end; + } + function tryParseTypeExpression() { + skipWhitespaceOrAsterisk(); + return token() === 18 /* SyntaxKind.OpenBraceToken */ ? parseJSDocTypeExpression() : undefined; + } + function parseBracketNameInPropertyAndParamTag() { + // Looking for something like '[foo]', 'foo', '[foo.bar]' or 'foo.bar' + var isBracketed = parseOptionalJsdoc(22 /* SyntaxKind.OpenBracketToken */); + if (isBracketed) { + skipWhitespace(); + } + // a markdown-quoted name: `arg` is not legal jsdoc, but occurs in the wild + var isBackquoted = parseOptionalJsdoc(61 /* SyntaxKind.BacktickToken */); + var name = parseJSDocEntityName(); + if (isBackquoted) { + parseExpectedTokenJSDoc(61 /* SyntaxKind.BacktickToken */); + } + if (isBracketed) { + skipWhitespace(); + // May have an optional default, e.g. '[foo = 42]' + if (parseOptionalToken(63 /* SyntaxKind.EqualsToken */)) { + parseExpression(); + } + parseExpected(23 /* SyntaxKind.CloseBracketToken */); + } + return { name: name, isBracketed: isBracketed }; + } + function isObjectOrObjectArrayTypeReference(node) { + switch (node.kind) { + case 148 /* SyntaxKind.ObjectKeyword */: + return true; + case 183 /* SyntaxKind.ArrayType */: + return isObjectOrObjectArrayTypeReference(node.elementType); + default: + return ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName) && node.typeName.escapedText === "Object" && !node.typeArguments; + } + } + function parseParameterOrPropertyTag(start, tagName, target, indent) { + var typeExpression = tryParseTypeExpression(); + var isNameFirst = !typeExpression; + skipWhitespaceOrAsterisk(); + var _a = parseBracketNameInPropertyAndParamTag(), name = _a.name, isBracketed = _a.isBracketed; + var indentText = skipWhitespaceOrAsterisk(); + if (isNameFirst && !lookAhead(parseJSDocLinkPrefix)) { + typeExpression = tryParseTypeExpression(); + } + var comment = parseTrailingTagComments(start, getNodePos(), indent, indentText); + var nestedTypeLiteral = target !== 4 /* PropertyLikeParse.CallbackParameter */ && parseNestedTypeLiteral(typeExpression, name, target, indent); + if (nestedTypeLiteral) { + typeExpression = nestedTypeLiteral; + isNameFirst = true; + } + var result = target === 1 /* PropertyLikeParse.Property */ + ? factory.createJSDocPropertyTag(tagName, name, isBracketed, typeExpression, isNameFirst, comment) + : factory.createJSDocParameterTag(tagName, name, isBracketed, typeExpression, isNameFirst, comment); + return finishNode(result, start); + } + function parseNestedTypeLiteral(typeExpression, name, target, indent) { + if (typeExpression && isObjectOrObjectArrayTypeReference(typeExpression.type)) { + var pos = getNodePos(); + var child = void 0; + var children = void 0; + while (child = tryParse(function () { return parseChildParameterOrPropertyTag(target, indent, name); })) { + if (child.kind === 340 /* SyntaxKind.JSDocParameterTag */ || child.kind === 347 /* SyntaxKind.JSDocPropertyTag */) { + children = ts.append(children, child); + } + } + if (children) { + var literal = finishNode(factory.createJSDocTypeLiteral(children, typeExpression.type.kind === 183 /* SyntaxKind.ArrayType */), pos); + return finishNode(factory.createJSDocTypeExpression(literal), pos); + } + } + } + function parseReturnTag(start, tagName, indent, indentText) { + if (ts.some(tags, ts.isJSDocReturnTag)) { + parseErrorAt(tagName.pos, scanner.getTokenPos(), ts.Diagnostics._0_tag_already_specified, tagName.escapedText); + } + var typeExpression = tryParseTypeExpression(); + return finishNode(factory.createJSDocReturnTag(tagName, typeExpression, parseTrailingTagComments(start, getNodePos(), indent, indentText)), start); + } + function parseTypeTag(start, tagName, indent, indentText) { + if (ts.some(tags, ts.isJSDocTypeTag)) { + parseErrorAt(tagName.pos, scanner.getTokenPos(), ts.Diagnostics._0_tag_already_specified, tagName.escapedText); + } + var typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true); + var comments = indent !== undefined && indentText !== undefined ? parseTrailingTagComments(start, getNodePos(), indent, indentText) : undefined; + return finishNode(factory.createJSDocTypeTag(tagName, typeExpression, comments), start); + } + function parseSeeTag(start, tagName, indent, indentText) { + var isMarkdownOrJSDocLink = token() === 22 /* SyntaxKind.OpenBracketToken */ + || lookAhead(function () { return nextTokenJSDoc() === 59 /* SyntaxKind.AtToken */ && ts.tokenIsIdentifierOrKeyword(nextTokenJSDoc()) && isJSDocLinkTag(scanner.getTokenValue()); }); + var nameExpression = isMarkdownOrJSDocLink ? undefined : parseJSDocNameReference(); + var comments = indent !== undefined && indentText !== undefined ? parseTrailingTagComments(start, getNodePos(), indent, indentText) : undefined; + return finishNode(factory.createJSDocSeeTag(tagName, nameExpression, comments), start); + } + function parseAuthorTag(start, tagName, indent, indentText) { + var commentStart = getNodePos(); + var textOnly = parseAuthorNameAndEmail(); + var commentEnd = scanner.getStartPos(); + var comments = parseTrailingTagComments(start, commentEnd, indent, indentText); + if (!comments) { + commentEnd = scanner.getStartPos(); + } + var allParts = typeof comments !== "string" + ? createNodeArray(ts.concatenate([finishNode(textOnly, commentStart, commentEnd)], comments), commentStart) // cast away readonly + : textOnly.text + comments; + return finishNode(factory.createJSDocAuthorTag(tagName, allParts), start); + } + function parseAuthorNameAndEmail() { + var comments = []; + var inEmail = false; + var token = scanner.getToken(); + while (token !== 1 /* SyntaxKind.EndOfFileToken */ && token !== 4 /* SyntaxKind.NewLineTrivia */) { + if (token === 29 /* SyntaxKind.LessThanToken */) { + inEmail = true; + } + else if (token === 59 /* SyntaxKind.AtToken */ && !inEmail) { + break; + } + else if (token === 31 /* SyntaxKind.GreaterThanToken */ && inEmail) { + comments.push(scanner.getTokenText()); + scanner.setTextPos(scanner.getTokenPos() + 1); + break; + } + comments.push(scanner.getTokenText()); + token = nextTokenJSDoc(); + } + return factory.createJSDocText(comments.join("")); + } + function parseImplementsTag(start, tagName, margin, indentText) { + var className = parseExpressionWithTypeArgumentsForAugments(); + return finishNode(factory.createJSDocImplementsTag(tagName, className, parseTrailingTagComments(start, getNodePos(), margin, indentText)), start); + } + function parseAugmentsTag(start, tagName, margin, indentText) { + var className = parseExpressionWithTypeArgumentsForAugments(); + return finishNode(factory.createJSDocAugmentsTag(tagName, className, parseTrailingTagComments(start, getNodePos(), margin, indentText)), start); + } + function parseExpressionWithTypeArgumentsForAugments() { + var usedBrace = parseOptional(18 /* SyntaxKind.OpenBraceToken */); + var pos = getNodePos(); + var expression = parsePropertyAccessEntityNameExpression(); + var typeArguments = tryParseTypeArguments(); + var node = factory.createExpressionWithTypeArguments(expression, typeArguments); + var res = finishNode(node, pos); + if (usedBrace) { + parseExpected(19 /* SyntaxKind.CloseBraceToken */); + } + return res; + } + function parsePropertyAccessEntityNameExpression() { + var pos = getNodePos(); + var node = parseJSDocIdentifierName(); + while (parseOptional(24 /* SyntaxKind.DotToken */)) { + var name = parseJSDocIdentifierName(); + node = finishNode(factory.createPropertyAccessExpression(node, name), pos); + } + return node; + } + function parseSimpleTag(start, createTag, tagName, margin, indentText) { + return finishNode(createTag(tagName, parseTrailingTagComments(start, getNodePos(), margin, indentText)), start); + } + function parseThisTag(start, tagName, margin, indentText) { + var typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true); + skipWhitespace(); + return finishNode(factory.createJSDocThisTag(tagName, typeExpression, parseTrailingTagComments(start, getNodePos(), margin, indentText)), start); + } + function parseEnumTag(start, tagName, margin, indentText) { + var typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true); + skipWhitespace(); + return finishNode(factory.createJSDocEnumTag(tagName, typeExpression, parseTrailingTagComments(start, getNodePos(), margin, indentText)), start); + } + function parseTypedefTag(start, tagName, indent, indentText) { + var _a; + var typeExpression = tryParseTypeExpression(); + skipWhitespaceOrAsterisk(); + var fullName = parseJSDocTypeNameWithNamespace(); + skipWhitespace(); + var comment = parseTagComments(indent); + var end; + if (!typeExpression || isObjectOrObjectArrayTypeReference(typeExpression.type)) { + var child = void 0; + var childTypeTag = void 0; + var jsDocPropertyTags = void 0; + var hasChildren = false; + while (child = tryParse(function () { return parseChildPropertyTag(indent); })) { + hasChildren = true; + if (child.kind === 343 /* SyntaxKind.JSDocTypeTag */) { + if (childTypeTag) { + var lastError = parseErrorAtCurrentToken(ts.Diagnostics.A_JSDoc_typedef_comment_may_not_contain_multiple_type_tags); + if (lastError) { + ts.addRelatedInfo(lastError, ts.createDetachedDiagnostic(fileName, 0, 0, ts.Diagnostics.The_tag_was_first_specified_here)); + } + break; + } + else { + childTypeTag = child; + } + } + else { + jsDocPropertyTags = ts.append(jsDocPropertyTags, child); + } + } + if (hasChildren) { + var isArrayType = typeExpression && typeExpression.type.kind === 183 /* SyntaxKind.ArrayType */; + var jsdocTypeLiteral = factory.createJSDocTypeLiteral(jsDocPropertyTags, isArrayType); + typeExpression = childTypeTag && childTypeTag.typeExpression && !isObjectOrObjectArrayTypeReference(childTypeTag.typeExpression.type) ? + childTypeTag.typeExpression : + finishNode(jsdocTypeLiteral, start); + end = typeExpression.end; + } + } + // Only include the characters between the name end and the next token if a comment was actually parsed out - otherwise it's just whitespace + end = end || comment !== undefined ? + getNodePos() : + ((_a = fullName !== null && fullName !== void 0 ? fullName : typeExpression) !== null && _a !== void 0 ? _a : tagName).end; + if (!comment) { + comment = parseTrailingTagComments(start, end, indent, indentText); + } + var typedefTag = factory.createJSDocTypedefTag(tagName, typeExpression, fullName, comment); + return finishNode(typedefTag, start, end); + } + function parseJSDocTypeNameWithNamespace(nested) { + var pos = scanner.getTokenPos(); + if (!ts.tokenIsIdentifierOrKeyword(token())) { + return undefined; + } + var typeNameOrNamespaceName = parseJSDocIdentifierName(); + if (parseOptional(24 /* SyntaxKind.DotToken */)) { + var body = parseJSDocTypeNameWithNamespace(/*nested*/ true); + var jsDocNamespaceNode = factory.createModuleDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, typeNameOrNamespaceName, body, nested ? 4 /* NodeFlags.NestedNamespace */ : undefined); + return finishNode(jsDocNamespaceNode, pos); + } + if (nested) { + typeNameOrNamespaceName.isInJSDocNamespace = true; + } + return typeNameOrNamespaceName; + } + function parseCallbackTagParameters(indent) { + var pos = getNodePos(); + var child; + var parameters; + while (child = tryParse(function () { return parseChildParameterOrPropertyTag(4 /* PropertyLikeParse.CallbackParameter */, indent); })) { + parameters = ts.append(parameters, child); + } + return createNodeArray(parameters || [], pos); + } + function parseCallbackTag(start, tagName, indent, indentText) { + var fullName = parseJSDocTypeNameWithNamespace(); + skipWhitespace(); + var comment = parseTagComments(indent); + var parameters = parseCallbackTagParameters(indent); + var returnTag = tryParse(function () { + if (parseOptionalJsdoc(59 /* SyntaxKind.AtToken */)) { + var tag = parseTag(indent); + if (tag && tag.kind === 341 /* SyntaxKind.JSDocReturnTag */) { + return tag; + } + } + }); + var typeExpression = finishNode(factory.createJSDocSignature(/*typeParameters*/ undefined, parameters, returnTag), start); + if (!comment) { + comment = parseTrailingTagComments(start, getNodePos(), indent, indentText); + } + var end = comment !== undefined ? getNodePos() : typeExpression.end; + return finishNode(factory.createJSDocCallbackTag(tagName, typeExpression, fullName, comment), start, end); + } + function escapedTextsEqual(a, b) { + while (!ts.isIdentifier(a) || !ts.isIdentifier(b)) { + if (!ts.isIdentifier(a) && !ts.isIdentifier(b) && a.right.escapedText === b.right.escapedText) { + a = a.left; + b = b.left; + } + else { + return false; + } + } + return a.escapedText === b.escapedText; + } + function parseChildPropertyTag(indent) { + return parseChildParameterOrPropertyTag(1 /* PropertyLikeParse.Property */, indent); + } + function parseChildParameterOrPropertyTag(target, indent, name) { + var canParseTag = true; + var seenAsterisk = false; + while (true) { + switch (nextTokenJSDoc()) { + case 59 /* SyntaxKind.AtToken */: + if (canParseTag) { + var child = tryParseChildTag(target, indent); + if (child && (child.kind === 340 /* SyntaxKind.JSDocParameterTag */ || child.kind === 347 /* SyntaxKind.JSDocPropertyTag */) && + target !== 4 /* PropertyLikeParse.CallbackParameter */ && + name && (ts.isIdentifier(child.name) || !escapedTextsEqual(name, child.name.left))) { + return false; + } + return child; + } + seenAsterisk = false; + break; + case 4 /* SyntaxKind.NewLineTrivia */: + canParseTag = true; + seenAsterisk = false; + break; + case 41 /* SyntaxKind.AsteriskToken */: + if (seenAsterisk) { + canParseTag = false; + } + seenAsterisk = true; + break; + case 79 /* SyntaxKind.Identifier */: + canParseTag = false; + break; + case 1 /* SyntaxKind.EndOfFileToken */: + return false; + } + } + } + function tryParseChildTag(target, indent) { + ts.Debug.assert(token() === 59 /* SyntaxKind.AtToken */); + var start = scanner.getStartPos(); + nextTokenJSDoc(); + var tagName = parseJSDocIdentifierName(); + skipWhitespace(); + var t; + switch (tagName.escapedText) { + case "type": + return target === 1 /* PropertyLikeParse.Property */ && parseTypeTag(start, tagName); + case "prop": + case "property": + t = 1 /* PropertyLikeParse.Property */; + break; + case "arg": + case "argument": + case "param": + t = 2 /* PropertyLikeParse.Parameter */ | 4 /* PropertyLikeParse.CallbackParameter */; + break; + default: + return false; + } + if (!(target & t)) { + return false; + } + return parseParameterOrPropertyTag(start, tagName, target, indent); + } + function parseTemplateTagTypeParameter() { + var typeParameterPos = getNodePos(); + var isBracketed = parseOptionalJsdoc(22 /* SyntaxKind.OpenBracketToken */); + if (isBracketed) { + skipWhitespace(); + } + var name = parseJSDocIdentifierName(ts.Diagnostics.Unexpected_token_A_type_parameter_name_was_expected_without_curly_braces); + var defaultType; + if (isBracketed) { + skipWhitespace(); + parseExpected(63 /* SyntaxKind.EqualsToken */); + defaultType = doInsideOfContext(8388608 /* NodeFlags.JSDoc */, parseJSDocType); + parseExpected(23 /* SyntaxKind.CloseBracketToken */); + } + if (ts.nodeIsMissing(name)) { + return undefined; + } + return finishNode(factory.createTypeParameterDeclaration(/*modifiers*/ undefined, name, /*constraint*/ undefined, defaultType), typeParameterPos); + } + function parseTemplateTagTypeParameters() { + var pos = getNodePos(); + var typeParameters = []; + do { + skipWhitespace(); + var node = parseTemplateTagTypeParameter(); + if (node !== undefined) { + typeParameters.push(node); + } + skipWhitespaceOrAsterisk(); + } while (parseOptionalJsdoc(27 /* SyntaxKind.CommaToken */)); + return createNodeArray(typeParameters, pos); + } + function parseTemplateTag(start, tagName, indent, indentText) { + // The template tag looks like one of the following: + // @template T,U,V + // @template {Constraint} T + // + // According to the [closure docs](https://github.com/google/closure-compiler/wiki/Generic-Types#multiple-bounded-template-types): + // > Multiple bounded generics cannot be declared on the same line. For the sake of clarity, if multiple templates share the same + // > type bound they must be declared on separate lines. + // + // TODO: Determine whether we should enforce this in the checker. + // TODO: Consider moving the `constraint` to the first type parameter as we could then remove `getEffectiveConstraintOfTypeParameter`. + // TODO: Consider only parsing a single type parameter if there is a constraint. + var constraint = token() === 18 /* SyntaxKind.OpenBraceToken */ ? parseJSDocTypeExpression() : undefined; + var typeParameters = parseTemplateTagTypeParameters(); + return finishNode(factory.createJSDocTemplateTag(tagName, constraint, typeParameters, parseTrailingTagComments(start, getNodePos(), indent, indentText)), start); + } + function parseOptionalJsdoc(t) { + if (token() === t) { + nextTokenJSDoc(); + return true; + } + return false; + } + function parseJSDocEntityName() { + var entity = parseJSDocIdentifierName(); + if (parseOptional(22 /* SyntaxKind.OpenBracketToken */)) { + parseExpected(23 /* SyntaxKind.CloseBracketToken */); + // Note that y[] is accepted as an entity name, but the postfix brackets are not saved for checking. + // Technically usejsdoc.org requires them for specifying a property of a type equivalent to Array<{ x: ...}> + // but it's not worth it to enforce that restriction. + } + while (parseOptional(24 /* SyntaxKind.DotToken */)) { + var name = parseJSDocIdentifierName(); + if (parseOptional(22 /* SyntaxKind.OpenBracketToken */)) { + parseExpected(23 /* SyntaxKind.CloseBracketToken */); + } + entity = createQualifiedName(entity, name); + } + return entity; + } + function parseJSDocIdentifierName(message) { + if (!ts.tokenIsIdentifierOrKeyword(token())) { + return createMissingNode(79 /* SyntaxKind.Identifier */, /*reportAtCurrentPosition*/ !message, message || ts.Diagnostics.Identifier_expected); + } + identifierCount++; + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var originalKeywordKind = token(); + var text = internIdentifier(scanner.getTokenValue()); + var result = finishNode(factory.createIdentifier(text, /*typeArguments*/ undefined, originalKeywordKind), pos, end); + nextTokenJSDoc(); + return result; + } + } + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* AssertionLevel.Aggressive */); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + // if the text didn't change, then we can just return our current source file as-is. + return sourceFile; + } + if (sourceFile.statements.length === 0) { + // If we don't have any statements in the current source file, then there's no real + // way to incrementally parse. So just do a full parse instead. + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setParentNodes*/ true, sourceFile.scriptKind, sourceFile.setExternalModuleIndicator); + } + // Make sure we're not trying to incrementally update a source file more than once. Once + // we do an update the original source file is considered unusable from that point onwards. + // + // This is because we do incremental parsing in-place. i.e. we take nodes from the old + // tree and give them new positions and parents. From that point on, trusting the old + // tree at all is not possible as far too much of it may violate invariants. + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + Parser.fixupParentReferences(incrementalSourceFile); + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + // Make the actual change larger so that we know to reparse anything whose lookahead + // might have intersected the change. + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + // Ensure that extending the affected range only moved the start of the change range + // earlier in the file. + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + // The is the amount the nodes after the edit range need to be adjusted. It can be + // positive (if the edit added characters), negative (if the edit deleted characters) + // or zero (if this was a pure overwrite with nothing added/removed). + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + // If we added or removed characters during the edit, then we need to go and adjust all + // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they + // may move backward (if we deleted chars). + // + // Doing this helps us out in two ways. First, it means that any nodes/tokens we want + // to reuse are already at the appropriate position in the new text. That way when we + // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes + // it very easy to determine if we can reuse a node. If the node's position is at where + // we are in the text, then we can reuse it. Otherwise we can't. If the node's position + // is ahead of us, then we'll need to rescan tokens. If the node's position is behind + // us, then we'll need to skip it or crumble it as appropriate + // + // We will also adjust the positions of nodes that intersect the change range as well. + // By doing this, we ensure that all the positions in the old tree are consistent, not + // just the positions of nodes entirely before/after the change range. By being + // consistent, we can then easily map from positions to nodes in the old tree easily. + // + // Also, mark any syntax elements that intersect the changed span. We know, up front, + // that we cannot reuse these elements. + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + // Now that we've set up our internal incremental state just proceed and parse the + // source file in the normal fashion. When possible the parser will retrieve and + // reuse nodes from the old tree. + // + // Note: passing in 'true' for setNodeParents is very important. When incrementally + // parsing, we will be reusing nodes from the old tree, and placing it into new + // parents. If we don't set the parents now, we'll end up with an observably + // inconsistent tree. Setting the parents on the new tree should be very fast. We + // will immediately bail out of walking any subtrees when we can see that their parents + // are already correct. + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /*setParentNodes*/ true, sourceFile.scriptKind, sourceFile.setExternalModuleIndicator); + result.commentDirectives = getNewCommentDirectives(sourceFile.commentDirectives, result.commentDirectives, changeRange.span.start, ts.textSpanEnd(changeRange.span), delta, oldText, newText, aggressiveChecks); + result.impliedNodeFormat = sourceFile.impliedNodeFormat; + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function getNewCommentDirectives(oldDirectives, newDirectives, changeStart, changeRangeOldEnd, delta, oldText, newText, aggressiveChecks) { + if (!oldDirectives) + return newDirectives; + var commentDirectives; + var addedNewlyScannedDirectives = false; + for (var _i = 0, oldDirectives_1 = oldDirectives; _i < oldDirectives_1.length; _i++) { + var directive = oldDirectives_1[_i]; + var range = directive.range, type = directive.type; + // Range before the change + if (range.end < changeStart) { + commentDirectives = ts.append(commentDirectives, directive); + } + else if (range.pos > changeRangeOldEnd) { + addNewlyScannedDirectives(); + // Node is entirely past the change range. We need to move both its pos and + // end, forward or backward appropriately. + var updatedDirective = { + range: { pos: range.pos + delta, end: range.end + delta }, + type: type + }; + commentDirectives = ts.append(commentDirectives, updatedDirective); + if (aggressiveChecks) { + ts.Debug.assert(oldText.substring(range.pos, range.end) === newText.substring(updatedDirective.range.pos, updatedDirective.range.end)); + } + } + // Ignore ranges that fall in change range + } + addNewlyScannedDirectives(); + return commentDirectives; + function addNewlyScannedDirectives() { + if (addedNewlyScannedDirectives) + return; + addedNewlyScannedDirectives = true; + if (!commentDirectives) { + commentDirectives = newDirectives; + } + else if (newDirectives) { + commentDirectives.push.apply(commentDirectives, newDirectives); + } + } + } + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); + } + // Ditch any existing LS children we may have created. This way we can avoid + // moving them forward. + if (node._children) { + node._children = undefined; + } + ts.setTextRangePosEnd(node, node.pos + delta, node.end + delta); + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); + } + forEachChild(node, visitNode, visitArray); + if (ts.hasJSDocNodes(node)) { + for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + visitNode(jsDocComment); + } + } + checkNodePositions(node, aggressiveChecks); + } + function visitArray(array) { + array._children = undefined; + ts.setTextRangePosEnd(array, array.pos + delta, array.end + delta); + for (var _i = 0, array_9 = array; _i < array_9.length; _i++) { + var node = array_9[_i]; + visitNode(node); + } + } + } + function shouldCheckNode(node) { + switch (node.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + case 79 /* SyntaxKind.Identifier */: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + // We have an element that intersects the change range in some way. It may have its + // start, or its end (or both) in the changed range. We want to adjust any part + // that intersects such that the final tree is in a consistent state. i.e. all + // children have spans within the span of their parent, and all siblings are ordered + // properly. + // We may need to update both the 'pos' and the 'end' of the element. + // If the 'pos' is before the start of the change, then we don't need to touch it. + // If it isn't, then the 'pos' must be inside the change. How we update it will + // depend if delta is positive or negative. If delta is positive then we have + // something like: + // + // -------------------AAA----------------- + // -------------------BBBCCCCCCC----------------- + // + // In this case, we consider any node that started in the change range to still be + // starting at the same position. + // + // however, if the delta is negative, then we instead have something like this: + // + // -------------------XXXYYYYYYY----------------- + // -------------------ZZZ----------------- + // + // In this case, any element that started in the 'X' range will keep its position. + // However any element that started after that will have their pos adjusted to be + // at the end of the new range. i.e. any node that started in the 'Y' range will + // be adjusted to have their start at the end of the 'Z' range. + // + // The element will keep its position if possible. Or Move backward to the new-end + // if it's in the 'Y' range. + var pos = Math.min(element.pos, changeRangeNewEnd); + // If the 'end' is after the change range, then we always adjust it by the delta + // amount. However, if the end is in the change range, then how we adjust it + // will depend on if delta is positive or negative. If delta is positive then we + // have something like: + // + // -------------------AAA----------------- + // -------------------BBBCCCCCCC----------------- + // + // In this case, we consider any node that ended inside the change range to keep its + // end position. + // + // however, if the delta is negative, then we instead have something like this: + // + // -------------------XXXYYYYYYY----------------- + // -------------------ZZZ----------------- + // + // In this case, any element that ended in the 'X' range will keep its position. + // However any element that ended after that will have their pos adjusted to be + // at the end of the new range. i.e. any node that ended in the 'Y' range will + // be adjusted to have their end at the end of the 'Z' range. + var end = element.end >= changeRangeOldEnd ? + // Element ends after the change range. Always adjust the end pos. + element.end + delta : + // Element ends in the change range. The element will keep its position if + // possible. Or Move backward to the new-end if it's in the 'Y' range. + Math.min(element.end, changeRangeNewEnd); + ts.Debug.assert(pos <= end); + if (element.parent) { + ts.Debug.assertGreaterThanOrEqual(pos, element.parent.pos); + ts.Debug.assertLessThanOrEqual(end, element.parent.end); + } + ts.setTextRangePosEnd(element, pos, end); + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + var visitNode_1 = function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }; + if (ts.hasJSDocNodes(node)) { + for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + visitNode_1(jsDocComment); + } + } + forEachChild(node, visitNode_1); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + // Node is entirely past the change range. We need to move both its pos and + // end, forward or backward appropriately. + moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); + return; + } + // Check if the element intersects the change range. If it does, then it is not + // reusable. Also, we'll need to recurse to see what constituent portions we may + // be able to use. + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + // Adjust the pos or end (or both) of the intersecting element accordingly. + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + if (ts.hasJSDocNodes(child)) { + for (var _i = 0, _a = child.jsDoc; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + visitNode(jsDocComment); + } + } + checkNodePositions(child, aggressiveChecks); + return; + } + // Otherwise, the node is entirely before the change range. No need to do anything with it. + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + // Array is entirely after the change range. We need to move it, and move any of + // its children. + moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); + return; + } + // Check if the element intersects the change range. If it does, then it is not + // reusable. Also, we'll need to recurse to see what constituent portions we may + // be able to use. + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + // Adjust the pos or end (or both) of the intersecting array accordingly. + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_10 = array; _i < array_10.length; _i++) { + var node = array_10[_i]; + visitNode(node); + } + return; + } + // Otherwise, the array is entirely before the change range. No need to do anything with it. + ts.Debug.assert(fullEnd < changeStart); + } + } + function extendToAffectedRange(sourceFile, changeRange) { + // Consider the following code: + // void foo() { /; } + // + // If the text changes with an insertion of / just before the semicolon then we end up with: + // void foo() { //; } + // + // If we were to just use the changeRange a is, then we would not rescan the { token + // (as it does not intersect the actual original change range). Because an edit may + // change the token touching it, we actually need to look back *at least* one token so + // that the prior token sees that change. + var maxLookahead = 1; + var start = changeRange.span.start; + // the first iteration aligns us with the change start. subsequent iteration move us to + // the left by maxLookahead tokens. We only need to do this as long as we're not at the + // start of the tree. + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); + } + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastDescendant(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; + } + } + return bestResult; + function getLastDescendant(node) { + while (true) { + var lastChild = ts.getLastChild(node); + if (lastChild) { + node = lastChild; + } + else { + return node; + } + } + } + function visit(child) { + if (ts.nodeIsMissing(child)) { + // Missing nodes are effectively invisible to us. We never even consider them + // When trying to find the nearest node before us. + return; + } + // If the child intersects this position, then this node is currently the nearest + // node that starts before the position. + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + // This node starts before the position, and is closer to the position than + // the previous best node we found. It is now the new best node. + bestResult = child; + } + // Now, the node may overlap the position, or it may end entirely before the + // position. If it overlaps with the position, then either it, or one of its + // children must be the nearest node before the position. So we can just + // recurse into this child to see if we can find something better. + if (position < child.end) { + // The nearest node is either this child, or one of the children inside + // of it. We've already marked this child as the best so far. Recurse + // in case one of the children is better. + forEachChild(child, visit); + // Once we look at the children of this node, then there's no need to + // continue any further. + return true; + } + else { + ts.Debug.assert(child.end <= position); + // The child ends entirely before this position. Say you have the following + // (where $ is the position) + // + // ? $ : <...> <...> + // + // We would want to find the nearest preceding node in "complex expr 2". + // To support that, we keep track of this node, and once we're done searching + // for a best node, we recurse down this node to see if we can find a good + // result in it. + // + // This approach allows us to quickly skip over nodes that are entirely + // before the position, while still allowing us to find any nodes in the + // last one that might be what we want. + lastNodeEntirelyBeforePosition = child; + } + } + else { + ts.Debug.assert(child.pos > position); + // We're now at a node that is entirely past the position we're searching for. + // This node (and all following nodes) could never contribute to the result, + // so just skip them by returning 'true' here. + return true; + } + } + } + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3 /* AssertionLevel.VeryAggressive */)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); + } + } + } + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1 /* InvalidPosition.Value */; + return { + currentNode: function (position) { + // Only compute the current node if the position is different than the last time + // we were asked. The parser commonly asks for the node at the same position + // twice. Once to know if can read an appropriate list element at a certain point, + // and then to actually read and consume the node. + if (position !== lastQueriedPosition) { + // Much of the time the parser will need the very next node in the array that + // we just returned a node from.So just simply check for that case and move + // forward in the array instead of searching for the node again. + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + // If we don't have a node, or the node we have isn't in the right position, + // then try to find a viable node at the position requested. + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); + } + } + // Cache this query so that we don't do any extra work if the parser calls back + // into us. Note: this is very common as the parser will make pairs of calls like + // 'isListElement -> parseListElement'. If we were unable to find a node when + // called with 'isListElement', we don't want to redo the work when parseListElement + // is called immediately after. + lastQueriedPosition = position; + // Either we don'd have a node, or we have a node at the position being asked for. + ts.Debug.assert(!current || current.pos === position); + return current; + } + }; + // Finds the highest element in the tree we can find that starts at the provided position. + // The element must be a direct child of some node list in the tree. This way after we + // return it, we can easily return its next sibling in the list. + function findHighestListElementThatStartsAtPosition(position) { + // Clear out any cached state about the last node we found. + currentArray = undefined; + currentArrayIndex = -1 /* InvalidPosition.Value */; + current = undefined; + // Recurse into the source file to find the highest node at this position. + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + // Position was within this node. Keep searching deeper to find the node. + forEachChild(node, visitNode, visitArray); + // don't proceed any further in the search. + return true; + } + // position wasn't in this node, have to keep searching. + return false; + } + function visitArray(array) { + if (position >= array.pos && position < array.end) { + // position was in this array. Search through this array to see if we find a + // viable element. + for (var i = 0; i < array.length; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + // Found the right node. We're done. + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + // Position in somewhere within this child. Search in it and + // stop searching in this array. + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + // position wasn't in this array, have to keep searching. + return false; + } + } + } + IncrementalParser.createSyntaxCursor = createSyntaxCursor; + var InvalidPosition; + (function (InvalidPosition) { + InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; + })(InvalidPosition || (InvalidPosition = {})); + })(IncrementalParser || (IncrementalParser = {})); + /** @internal */ + function isDeclarationFileName(fileName) { + return ts.fileExtensionIsOneOf(fileName, ts.supportedDeclarationExtensions); + } + ts.isDeclarationFileName = isDeclarationFileName; + function parseResolutionMode(mode, pos, end, reportDiagnostic) { + if (!mode) { + return undefined; + } + if (mode === "import") { + return ts.ModuleKind.ESNext; + } + if (mode === "require") { + return ts.ModuleKind.CommonJS; + } + reportDiagnostic(pos, end - pos, ts.Diagnostics.resolution_mode_should_be_either_require_or_import); + return undefined; + } + /*@internal*/ + function processCommentPragmas(context, sourceText) { + var pragmas = []; + for (var _i = 0, _a = ts.getLeadingCommentRanges(sourceText, 0) || ts.emptyArray; _i < _a.length; _i++) { + var range = _a[_i]; + var comment = sourceText.substring(range.pos, range.end); + extractPragmas(pragmas, range, comment); + } + context.pragmas = new ts.Map(); + for (var _b = 0, pragmas_1 = pragmas; _b < pragmas_1.length; _b++) { + var pragma = pragmas_1[_b]; + if (context.pragmas.has(pragma.name)) { + var currentValue = context.pragmas.get(pragma.name); + if (currentValue instanceof Array) { + currentValue.push(pragma.args); + } + else { + context.pragmas.set(pragma.name, [currentValue, pragma.args]); + } + continue; + } + context.pragmas.set(pragma.name, pragma.args); + } + } + ts.processCommentPragmas = processCommentPragmas; + /*@internal*/ + function processPragmasIntoFields(context, reportDiagnostic) { + context.checkJsDirective = undefined; + context.referencedFiles = []; + context.typeReferenceDirectives = []; + context.libReferenceDirectives = []; + context.amdDependencies = []; + context.hasNoDefaultLib = false; + context.pragmas.forEach(function (entryOrList, key) { + // TODO: The below should be strongly type-guarded and not need casts/explicit annotations, since entryOrList is related to + // key and key is constrained to a union; but it's not (see GH#21483 for at least partial fix) :( + switch (key) { + case "reference": { + var referencedFiles_1 = context.referencedFiles; + var typeReferenceDirectives_1 = context.typeReferenceDirectives; + var libReferenceDirectives_1 = context.libReferenceDirectives; + ts.forEach(ts.toArray(entryOrList), function (arg) { + var _a = arg.arguments, types = _a.types, lib = _a.lib, path = _a.path, res = _a["resolution-mode"]; + if (arg.arguments["no-default-lib"]) { + context.hasNoDefaultLib = true; + } + else if (types) { + var parsed = parseResolutionMode(res, types.pos, types.end, reportDiagnostic); + typeReferenceDirectives_1.push(__assign({ pos: types.pos, end: types.end, fileName: types.value }, (parsed ? { resolutionMode: parsed } : {}))); + } + else if (lib) { + libReferenceDirectives_1.push({ pos: lib.pos, end: lib.end, fileName: lib.value }); + } + else if (path) { + referencedFiles_1.push({ pos: path.pos, end: path.end, fileName: path.value }); + } + else { + reportDiagnostic(arg.range.pos, arg.range.end - arg.range.pos, ts.Diagnostics.Invalid_reference_directive_syntax); + } + }); + break; + } + case "amd-dependency": { + context.amdDependencies = ts.map(ts.toArray(entryOrList), function (x) { return ({ name: x.arguments.name, path: x.arguments.path }); }); + break; + } + case "amd-module": { + if (entryOrList instanceof Array) { + for (var _i = 0, entryOrList_1 = entryOrList; _i < entryOrList_1.length; _i++) { + var entry = entryOrList_1[_i]; + if (context.moduleName) { + // TODO: It's probably fine to issue this diagnostic on all instances of the pragma + reportDiagnostic(entry.range.pos, entry.range.end - entry.range.pos, ts.Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments); + } + context.moduleName = entry.arguments.name; + } + } + else { + context.moduleName = entryOrList.arguments.name; + } + break; + } + case "ts-nocheck": + case "ts-check": { + // _last_ of either nocheck or check in a file is the "winner" + ts.forEach(ts.toArray(entryOrList), function (entry) { + if (!context.checkJsDirective || entry.range.pos > context.checkJsDirective.pos) { + context.checkJsDirective = { + enabled: key === "ts-check", + end: entry.range.end, + pos: entry.range.pos + }; + } + }); + break; + } + case "jsx": + case "jsxfrag": + case "jsximportsource": + case "jsxruntime": + return; // Accessed directly + default: ts.Debug.fail("Unhandled pragma kind"); // Can this be made into an assertNever in the future? + } + }); + } + ts.processPragmasIntoFields = processPragmasIntoFields; + var namedArgRegExCache = new ts.Map(); + function getNamedArgRegEx(name) { + if (namedArgRegExCache.has(name)) { + return namedArgRegExCache.get(name); + } + var result = new RegExp("(\\s".concat(name, "\\s*=\\s*)(?:(?:'([^']*)')|(?:\"([^\"]*)\"))"), "im"); + namedArgRegExCache.set(name, result); + return result; + } + var tripleSlashXMLCommentStartRegEx = /^\/\/\/\s*<(\S+)\s.*?\/>/im; + var singleLinePragmaRegEx = /^\/\/\/?\s*@(\S+)\s*(.*)\s*$/im; + function extractPragmas(pragmas, range, text) { + var tripleSlash = range.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */ && tripleSlashXMLCommentStartRegEx.exec(text); + if (tripleSlash) { + var name = tripleSlash[1].toLowerCase(); // Technically unsafe cast, but we do it so the below check to make it safe typechecks + var pragma = ts.commentPragmas[name]; + if (!pragma || !(pragma.kind & 1 /* PragmaKindFlags.TripleSlashXML */)) { + return; + } + if (pragma.args) { + var argument = {}; + for (var _i = 0, _a = pragma.args; _i < _a.length; _i++) { + var arg = _a[_i]; + var matcher = getNamedArgRegEx(arg.name); + var matchResult = matcher.exec(text); + if (!matchResult && !arg.optional) { + return; // Missing required argument, don't parse + } + else if (matchResult) { + var value = matchResult[2] || matchResult[3]; + if (arg.captureSpan) { + var startPos = range.pos + matchResult.index + matchResult[1].length + 1; + argument[arg.name] = { + value: value, + pos: startPos, + end: startPos + value.length + }; + } + else { + argument[arg.name] = value; + } + } + } + pragmas.push({ name: name, args: { arguments: argument, range: range } }); + } + else { + pragmas.push({ name: name, args: { arguments: {}, range: range } }); + } + return; + } + var singleLine = range.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */ && singleLinePragmaRegEx.exec(text); + if (singleLine) { + return addPragmaForMatch(pragmas, range, 2 /* PragmaKindFlags.SingleLine */, singleLine); + } + if (range.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + var multiLinePragmaRegEx = /@(\S+)(\s+.*)?$/gim; // Defined inline since it uses the "g" flag, which keeps a persistent index (for iterating) + var multiLineMatch = void 0; + while (multiLineMatch = multiLinePragmaRegEx.exec(text)) { + addPragmaForMatch(pragmas, range, 4 /* PragmaKindFlags.MultiLine */, multiLineMatch); + } + } + } + function addPragmaForMatch(pragmas, range, kind, match) { + if (!match) + return; + var name = match[1].toLowerCase(); // Technically unsafe cast, but we do it so they below check to make it safe typechecks + var pragma = ts.commentPragmas[name]; + if (!pragma || !(pragma.kind & kind)) { + return; + } + var args = match[2]; // Split on spaces and match up positionally with definition + var argument = getNamedPragmaArguments(pragma, args); + if (argument === "fail") + return; // Missing required argument, fail to parse it + pragmas.push({ name: name, args: { arguments: argument, range: range } }); + return; + } + function getNamedPragmaArguments(pragma, text) { + if (!text) + return {}; + if (!pragma.args) + return {}; + var args = ts.trimString(text).split(/\s+/); + var argMap = {}; + for (var i = 0; i < pragma.args.length; i++) { + var argument = pragma.args[i]; + if (!args[i] && !argument.optional) { + return "fail"; + } + if (argument.captureSpan) { + return ts.Debug.fail("Capture spans not yet implemented for non-xml pragmas"); + } + argMap[argument.name] = args[i]; + } + return argMap; + } + /** @internal */ + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 79 /* SyntaxKind.Identifier */) { + return lhs.escapedText === rhs.escapedText; + } + if (lhs.kind === 108 /* SyntaxKind.ThisKeyword */) { + return true; + } + // If we are at this statement then we must have PropertyAccessExpression and because tag name in Jsx element can only + // take forms of JsxTagNameExpression which includes an identifier, "this" expression, or another propertyAccessExpression + // it is safe to case the expression property as such. See parseJsxElementName for how we parse tag name in Jsx element + return lhs.name.escapedText === rhs.name.escapedText && + tagNamesAreEquivalent(lhs.expression, rhs.expression); + } + ts.tagNamesAreEquivalent = tagNamesAreEquivalent; +})(ts || (ts = {})); +var ts; +(function (ts) { + /* @internal */ + ts.compileOnSaveCommandLineOption = { + name: "compileOnSave", + type: "boolean", + defaultValueDescription: false, + }; + var jsxOptionMap = new ts.Map(ts.getEntries({ + "preserve": 1 /* JsxEmit.Preserve */, + "react-native": 3 /* JsxEmit.ReactNative */, + "react": 2 /* JsxEmit.React */, + "react-jsx": 4 /* JsxEmit.ReactJSX */, + "react-jsxdev": 5 /* JsxEmit.ReactJSXDev */, + })); + /* @internal */ + ts.inverseJsxOptionMap = new ts.Map(ts.arrayFrom(ts.mapIterator(jsxOptionMap.entries(), function (_a) { + var key = _a[0], value = _a[1]; + return ["" + value, key]; + }))); + // NOTE: The order here is important to default lib ordering as entries will have the same + // order in the generated program (see `getDefaultLibPriority` in program.ts). This + // order also affects overload resolution when a type declared in one lib is + // augmented in another lib. + var libEntries = [ + // JavaScript only + ["es5", "lib.es5.d.ts"], + ["es6", "lib.es2015.d.ts"], + ["es2015", "lib.es2015.d.ts"], + ["es7", "lib.es2016.d.ts"], + ["es2016", "lib.es2016.d.ts"], + ["es2017", "lib.es2017.d.ts"], + ["es2018", "lib.es2018.d.ts"], + ["es2019", "lib.es2019.d.ts"], + ["es2020", "lib.es2020.d.ts"], + ["es2021", "lib.es2021.d.ts"], + ["es2022", "lib.es2022.d.ts"], + ["esnext", "lib.esnext.d.ts"], + // Host only + ["dom", "lib.dom.d.ts"], + ["dom.iterable", "lib.dom.iterable.d.ts"], + ["webworker", "lib.webworker.d.ts"], + ["webworker.importscripts", "lib.webworker.importscripts.d.ts"], + ["webworker.iterable", "lib.webworker.iterable.d.ts"], + ["scripthost", "lib.scripthost.d.ts"], + // ES2015 Or ESNext By-feature options + ["es2015.core", "lib.es2015.core.d.ts"], + ["es2015.collection", "lib.es2015.collection.d.ts"], + ["es2015.generator", "lib.es2015.generator.d.ts"], + ["es2015.iterable", "lib.es2015.iterable.d.ts"], + ["es2015.promise", "lib.es2015.promise.d.ts"], + ["es2015.proxy", "lib.es2015.proxy.d.ts"], + ["es2015.reflect", "lib.es2015.reflect.d.ts"], + ["es2015.symbol", "lib.es2015.symbol.d.ts"], + ["es2015.symbol.wellknown", "lib.es2015.symbol.wellknown.d.ts"], + ["es2016.array.include", "lib.es2016.array.include.d.ts"], + ["es2017.object", "lib.es2017.object.d.ts"], + ["es2017.sharedmemory", "lib.es2017.sharedmemory.d.ts"], + ["es2017.string", "lib.es2017.string.d.ts"], + ["es2017.intl", "lib.es2017.intl.d.ts"], + ["es2017.typedarrays", "lib.es2017.typedarrays.d.ts"], + ["es2018.asyncgenerator", "lib.es2018.asyncgenerator.d.ts"], + ["es2018.asynciterable", "lib.es2018.asynciterable.d.ts"], + ["es2018.intl", "lib.es2018.intl.d.ts"], + ["es2018.promise", "lib.es2018.promise.d.ts"], + ["es2018.regexp", "lib.es2018.regexp.d.ts"], + ["es2019.array", "lib.es2019.array.d.ts"], + ["es2019.object", "lib.es2019.object.d.ts"], + ["es2019.string", "lib.es2019.string.d.ts"], + ["es2019.symbol", "lib.es2019.symbol.d.ts"], + ["es2020.bigint", "lib.es2020.bigint.d.ts"], + ["es2020.date", "lib.es2020.date.d.ts"], + ["es2020.promise", "lib.es2020.promise.d.ts"], + ["es2020.sharedmemory", "lib.es2020.sharedmemory.d.ts"], + ["es2020.string", "lib.es2020.string.d.ts"], + ["es2020.symbol.wellknown", "lib.es2020.symbol.wellknown.d.ts"], + ["es2020.intl", "lib.es2020.intl.d.ts"], + ["es2020.number", "lib.es2020.number.d.ts"], + ["es2021.promise", "lib.es2021.promise.d.ts"], + ["es2021.string", "lib.es2021.string.d.ts"], + ["es2021.weakref", "lib.es2021.weakref.d.ts"], + ["es2021.intl", "lib.es2021.intl.d.ts"], + ["es2022.array", "lib.es2022.array.d.ts"], + ["es2022.error", "lib.es2022.error.d.ts"], + ["es2022.intl", "lib.es2022.intl.d.ts"], + ["es2022.object", "lib.es2022.object.d.ts"], + ["es2022.string", "lib.es2022.string.d.ts"], + ["esnext.array", "lib.es2022.array.d.ts"], + ["esnext.symbol", "lib.es2019.symbol.d.ts"], + ["esnext.asynciterable", "lib.es2018.asynciterable.d.ts"], + ["esnext.intl", "lib.esnext.intl.d.ts"], + ["esnext.bigint", "lib.es2020.bigint.d.ts"], + ["esnext.string", "lib.es2022.string.d.ts"], + ["esnext.promise", "lib.es2021.promise.d.ts"], + ["esnext.weakref", "lib.es2021.weakref.d.ts"] + ]; + /** + * An array of supported "lib" reference file names used to determine the order for inclusion + * when referenced, as well as for spelling suggestions. This ensures the correct ordering for + * overload resolution when a type declared in one lib is extended by another. + */ + /* @internal */ + ts.libs = libEntries.map(function (entry) { return entry[0]; }); + /** + * A map of lib names to lib files. This map is used both for parsing the "lib" command line + * option as well as for resolving lib reference directives. + */ + /* @internal */ + ts.libMap = new ts.Map(libEntries); + // Watch related options + /* @internal */ + ts.optionsForWatch = [ + { + name: "watchFile", + type: new ts.Map(ts.getEntries({ + fixedpollinginterval: ts.WatchFileKind.FixedPollingInterval, + prioritypollinginterval: ts.WatchFileKind.PriorityPollingInterval, + dynamicprioritypolling: ts.WatchFileKind.DynamicPriorityPolling, + fixedchunksizepolling: ts.WatchFileKind.FixedChunkSizePolling, + usefsevents: ts.WatchFileKind.UseFsEvents, + usefseventsonparentdirectory: ts.WatchFileKind.UseFsEventsOnParentDirectory, + })), + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Specify_how_the_TypeScript_watch_mode_works, + defaultValueDescription: ts.WatchFileKind.UseFsEvents, + }, + { + name: "watchDirectory", + type: new ts.Map(ts.getEntries({ + usefsevents: ts.WatchDirectoryKind.UseFsEvents, + fixedpollinginterval: ts.WatchDirectoryKind.FixedPollingInterval, + dynamicprioritypolling: ts.WatchDirectoryKind.DynamicPriorityPolling, + fixedchunksizepolling: ts.WatchDirectoryKind.FixedChunkSizePolling, + })), + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Specify_how_directories_are_watched_on_systems_that_lack_recursive_file_watching_functionality, + defaultValueDescription: ts.WatchDirectoryKind.UseFsEvents, + }, + { + name: "fallbackPolling", + type: new ts.Map(ts.getEntries({ + fixedinterval: ts.PollingWatchKind.FixedInterval, + priorityinterval: ts.PollingWatchKind.PriorityInterval, + dynamicpriority: ts.PollingWatchKind.DynamicPriority, + fixedchunksize: ts.PollingWatchKind.FixedChunkSize, + })), + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Specify_what_approach_the_watcher_should_use_if_the_system_runs_out_of_native_file_watchers, + defaultValueDescription: ts.PollingWatchKind.PriorityInterval, + }, + { + name: "synchronousWatchDirectory", + type: "boolean", + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Synchronously_call_callbacks_and_update_the_state_of_directory_watchers_on_platforms_that_don_t_support_recursive_watching_natively, + defaultValueDescription: false, + }, + { + name: "excludeDirectories", + type: "list", + element: { + name: "excludeDirectory", + type: "string", + isFilePath: true, + extraValidation: specToDiagnostic + }, + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Remove_a_list_of_directories_from_the_watch_process, + }, + { + name: "excludeFiles", + type: "list", + element: { + name: "excludeFile", + type: "string", + isFilePath: true, + extraValidation: specToDiagnostic + }, + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Remove_a_list_of_files_from_the_watch_mode_s_processing, + }, + ]; + /* @internal */ + ts.commonOptionsWithBuild = [ + { + name: "help", + shortName: "h", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Print_this_message, + defaultValueDescription: false, + }, + { + name: "help", + shortName: "?", + type: "boolean", + defaultValueDescription: false, + }, + { + name: "watch", + shortName: "w", + type: "boolean", + showInSimplifiedHelpView: true, + isCommandLineOnly: true, + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Watch_input_files, + defaultValueDescription: false, + }, + { + name: "preserveWatchOutput", + type: "boolean", + showInSimplifiedHelpView: false, + category: ts.Diagnostics.Output_Formatting, + description: ts.Diagnostics.Disable_wiping_the_console_in_watch_mode, + defaultValueDescription: false, + }, + { + name: "listFiles", + type: "boolean", + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Print_all_of_the_files_read_during_the_compilation, + defaultValueDescription: false, + }, + { + name: "explainFiles", + type: "boolean", + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Print_files_read_during_the_compilation_including_why_it_was_included, + defaultValueDescription: false, + }, + { + name: "listEmittedFiles", + type: "boolean", + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Print_the_names_of_emitted_files_after_a_compilation, + defaultValueDescription: false, + }, + { + name: "pretty", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Output_Formatting, + description: ts.Diagnostics.Enable_color_and_formatting_in_TypeScript_s_output_to_make_compiler_errors_easier_to_read, + defaultValueDescription: true, + }, + { + name: "traceResolution", + type: "boolean", + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Log_paths_used_during_the_moduleResolution_process, + defaultValueDescription: false, + }, + { + name: "diagnostics", + type: "boolean", + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Output_compiler_performance_information_after_building, + defaultValueDescription: false, + }, + { + name: "extendedDiagnostics", + type: "boolean", + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Output_more_detailed_compiler_performance_information_after_building, + defaultValueDescription: false, + }, + { + name: "generateCpuProfile", + type: "string", + isFilePath: true, + paramType: ts.Diagnostics.FILE_OR_DIRECTORY, + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Emit_a_v8_CPU_profile_of_the_compiler_run_for_debugging, + defaultValueDescription: "profile.cpuprofile" + }, + { + name: "generateTrace", + type: "string", + isFilePath: true, + isCommandLineOnly: true, + paramType: ts.Diagnostics.DIRECTORY, + category: ts.Diagnostics.Compiler_Diagnostics, + description: ts.Diagnostics.Generates_an_event_trace_and_a_list_of_types + }, + { + name: "incremental", + shortName: "i", + type: "boolean", + category: ts.Diagnostics.Projects, + description: ts.Diagnostics.Save_tsbuildinfo_files_to_allow_for_incremental_compilation_of_projects, + transpileOptionValue: undefined, + defaultValueDescription: ts.Diagnostics.false_unless_composite_is_set + }, + { + name: "assumeChangesOnlyAffectDirectDependencies", + type: "boolean", + affectsSemanticDiagnostics: true, + affectsEmit: true, + category: ts.Diagnostics.Watch_and_Build_Modes, + description: ts.Diagnostics.Have_recompiles_in_projects_that_use_incremental_and_watch_mode_assume_that_changes_within_a_file_will_only_affect_files_directly_depending_on_it, + defaultValueDescription: false, + }, + { + name: "locale", + type: "string", + category: ts.Diagnostics.Command_line_Options, + isCommandLineOnly: true, + description: ts.Diagnostics.Set_the_language_of_the_messaging_from_TypeScript_This_does_not_affect_emit, + defaultValueDescription: ts.Diagnostics.Platform_specific + }, + ]; + /* @internal */ + ts.targetOptionDeclaration = { + name: "target", + shortName: "t", + type: new ts.Map(ts.getEntries({ + es3: 0 /* ScriptTarget.ES3 */, + es5: 1 /* ScriptTarget.ES5 */, + es6: 2 /* ScriptTarget.ES2015 */, + es2015: 2 /* ScriptTarget.ES2015 */, + es2016: 3 /* ScriptTarget.ES2016 */, + es2017: 4 /* ScriptTarget.ES2017 */, + es2018: 5 /* ScriptTarget.ES2018 */, + es2019: 6 /* ScriptTarget.ES2019 */, + es2020: 7 /* ScriptTarget.ES2020 */, + es2021: 8 /* ScriptTarget.ES2021 */, + es2022: 9 /* ScriptTarget.ES2022 */, + esnext: 99 /* ScriptTarget.ESNext */, + })), + affectsSourceFile: true, + affectsModuleResolution: true, + affectsEmit: true, + paramType: ts.Diagnostics.VERSION, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Set_the_JavaScript_language_version_for_emitted_JavaScript_and_include_compatible_library_declarations, + defaultValueDescription: 0 /* ScriptTarget.ES3 */, + }; + var commandOptionsWithoutBuild = [ + // CommandLine only options + { + name: "all", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Show_all_compiler_options, + defaultValueDescription: false, + }, + { + name: "version", + shortName: "v", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Print_the_compiler_s_version, + defaultValueDescription: false, + }, + { + name: "init", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file, + defaultValueDescription: false, + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + paramType: ts.Diagnostics.FILE_OR_DIRECTORY, + description: ts.Diagnostics.Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json, + }, + { + name: "build", + type: "boolean", + shortName: "b", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Build_one_or_more_projects_and_their_dependencies_if_out_of_date, + defaultValueDescription: false, + }, + { + name: "showConfig", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Command_line_Options, + isCommandLineOnly: true, + description: ts.Diagnostics.Print_the_final_configuration_instead_of_building, + defaultValueDescription: false, + }, + { + name: "listFilesOnly", + type: "boolean", + category: ts.Diagnostics.Command_line_Options, + affectsSemanticDiagnostics: true, + affectsEmit: true, + isCommandLineOnly: true, + description: ts.Diagnostics.Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing, + defaultValueDescription: false, + }, + // Basic + ts.targetOptionDeclaration, + { + name: "module", + shortName: "m", + type: new ts.Map(ts.getEntries({ + none: ts.ModuleKind.None, + commonjs: ts.ModuleKind.CommonJS, + amd: ts.ModuleKind.AMD, + system: ts.ModuleKind.System, + umd: ts.ModuleKind.UMD, + es6: ts.ModuleKind.ES2015, + es2015: ts.ModuleKind.ES2015, + es2020: ts.ModuleKind.ES2020, + es2022: ts.ModuleKind.ES2022, + esnext: ts.ModuleKind.ESNext, + node16: ts.ModuleKind.Node16, + nodenext: ts.ModuleKind.NodeNext, + })), + affectsModuleResolution: true, + affectsEmit: true, + paramType: ts.Diagnostics.KIND, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_what_module_code_is_generated, + defaultValueDescription: undefined, + }, + { + name: "lib", + type: "list", + element: { + name: "lib", + type: ts.libMap, + defaultValueDescription: undefined, + }, + affectsProgramStructure: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Specify_a_set_of_bundled_library_declaration_files_that_describe_the_target_runtime_environment, + transpileOptionValue: undefined + }, + { + name: "allowJs", + type: "boolean", + affectsModuleResolution: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.JavaScript_Support, + description: ts.Diagnostics.Allow_JavaScript_files_to_be_a_part_of_your_program_Use_the_checkJS_option_to_get_errors_from_these_files, + defaultValueDescription: false, + }, + { + name: "checkJs", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.JavaScript_Support, + description: ts.Diagnostics.Enable_error_reporting_in_type_checked_JavaScript_files, + defaultValueDescription: false, + }, + { + name: "jsx", + type: jsxOptionMap, + affectsSourceFile: true, + affectsEmit: true, + affectsModuleResolution: true, + paramType: ts.Diagnostics.KIND, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Specify_what_JSX_code_is_generated, + defaultValueDescription: undefined, + }, + { + name: "declaration", + shortName: "d", + type: "boolean", + affectsEmit: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + transpileOptionValue: undefined, + description: ts.Diagnostics.Generate_d_ts_files_from_TypeScript_and_JavaScript_files_in_your_project, + defaultValueDescription: ts.Diagnostics.false_unless_composite_is_set, + }, + { + name: "declarationMap", + type: "boolean", + affectsEmit: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + transpileOptionValue: undefined, + defaultValueDescription: false, + description: ts.Diagnostics.Create_sourcemaps_for_d_ts_files + }, + { + name: "emitDeclarationOnly", + type: "boolean", + affectsEmit: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Only_output_d_ts_files_and_not_JavaScript_files, + transpileOptionValue: undefined, + defaultValueDescription: false, + }, + { + name: "sourceMap", + type: "boolean", + affectsEmit: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + defaultValueDescription: false, + description: ts.Diagnostics.Create_source_map_files_for_emitted_JavaScript_files, + }, + { + name: "outFile", + type: "string", + affectsEmit: true, + isFilePath: true, + paramType: ts.Diagnostics.FILE, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Specify_a_file_that_bundles_all_outputs_into_one_JavaScript_file_If_declaration_is_true_also_designates_a_file_that_bundles_all_d_ts_output, + transpileOptionValue: undefined, + }, + { + name: "outDir", + type: "string", + affectsEmit: true, + isFilePath: true, + paramType: ts.Diagnostics.DIRECTORY, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Specify_an_output_folder_for_all_emitted_files, + }, + { + name: "rootDir", + type: "string", + affectsEmit: true, + isFilePath: true, + paramType: ts.Diagnostics.LOCATION, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_the_root_folder_within_your_source_files, + defaultValueDescription: ts.Diagnostics.Computed_from_the_list_of_input_files + }, + { + name: "composite", + type: "boolean", + affectsEmit: true, + isTSConfigOnly: true, + category: ts.Diagnostics.Projects, + transpileOptionValue: undefined, + defaultValueDescription: false, + description: ts.Diagnostics.Enable_constraints_that_allow_a_TypeScript_project_to_be_used_with_project_references, + }, + { + name: "tsBuildInfoFile", + type: "string", + affectsEmit: true, + isFilePath: true, + paramType: ts.Diagnostics.FILE, + category: ts.Diagnostics.Projects, + transpileOptionValue: undefined, + defaultValueDescription: ".tsbuildinfo", + description: ts.Diagnostics.Specify_the_path_to_tsbuildinfo_incremental_compilation_file, + }, + { + name: "removeComments", + type: "boolean", + affectsEmit: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + defaultValueDescription: false, + description: ts.Diagnostics.Disable_emitting_comments, + }, + { + name: "noEmit", + type: "boolean", + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Disable_emitting_files_from_a_compilation, + transpileOptionValue: undefined, + defaultValueDescription: false, + }, + { + name: "importHelpers", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Allow_importing_helper_functions_from_tslib_once_per_project_instead_of_including_them_per_file, + defaultValueDescription: false, + }, + { + name: "importsNotUsedAsValues", + type: new ts.Map(ts.getEntries({ + remove: 0 /* ImportsNotUsedAsValues.Remove */, + preserve: 1 /* ImportsNotUsedAsValues.Preserve */, + error: 2 /* ImportsNotUsedAsValues.Error */, + })), + affectsEmit: true, + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Specify_emit_Slashchecking_behavior_for_imports_that_are_only_used_for_types, + defaultValueDescription: 0 /* ImportsNotUsedAsValues.Remove */, + }, + { + name: "downlevelIteration", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Emit_more_compliant_but_verbose_and_less_performant_JavaScript_for_iteration, + defaultValueDescription: false, + }, + { + name: "isolatedModules", + type: "boolean", + category: ts.Diagnostics.Interop_Constraints, + description: ts.Diagnostics.Ensure_that_each_file_can_be_safely_transpiled_without_relying_on_other_imports, + transpileOptionValue: true, + defaultValueDescription: false, + }, + // Strict Type Checks + { + name: "strict", + type: "boolean", + // Though this affects semantic diagnostics, affectsSemanticDiagnostics is not set here + // The value of each strictFlag depends on own strictFlag value or this and never accessed directly. + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enable_all_strict_type_checking_options, + defaultValueDescription: false, + }, + { + name: "noImplicitAny", + type: "boolean", + affectsSemanticDiagnostics: true, + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enable_error_reporting_for_expressions_and_declarations_with_an_implied_any_type, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + { + name: "strictNullChecks", + type: "boolean", + affectsSemanticDiagnostics: true, + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.When_type_checking_take_into_account_null_and_undefined, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + { + name: "strictFunctionTypes", + type: "boolean", + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.When_assigning_functions_check_to_ensure_parameters_and_the_return_values_are_subtype_compatible, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + { + name: "strictBindCallApply", + type: "boolean", + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Check_that_the_arguments_for_bind_call_and_apply_methods_match_the_original_function, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + { + name: "strictPropertyInitialization", + type: "boolean", + affectsSemanticDiagnostics: true, + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Check_for_class_properties_that_are_declared_but_not_set_in_the_constructor, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + { + name: "noImplicitThis", + type: "boolean", + affectsSemanticDiagnostics: true, + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enable_error_reporting_when_this_is_given_the_type_any, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + { + name: "useUnknownInCatchVariables", + type: "boolean", + affectsSemanticDiagnostics: true, + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Default_catch_clause_variables_as_unknown_instead_of_any, + defaultValueDescription: false, + }, + { + name: "alwaysStrict", + type: "boolean", + affectsSourceFile: true, + strictFlag: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Ensure_use_strict_is_always_emitted, + defaultValueDescription: ts.Diagnostics.false_unless_strict_is_set + }, + // Additional Checks + { + name: "noUnusedLocals", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enable_error_reporting_when_local_variables_aren_t_read, + defaultValueDescription: false, + }, + { + name: "noUnusedParameters", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Raise_an_error_when_a_function_parameter_isn_t_read, + defaultValueDescription: false, + }, + { + name: "exactOptionalPropertyTypes", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Interpret_optional_property_types_as_written_rather_than_adding_undefined, + defaultValueDescription: false, + }, + { + name: "noImplicitReturns", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enable_error_reporting_for_codepaths_that_do_not_explicitly_return_in_a_function, + defaultValueDescription: false, + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + affectsBindDiagnostics: true, + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enable_error_reporting_for_fallthrough_cases_in_switch_statements, + defaultValueDescription: false, + }, + { + name: "noUncheckedIndexedAccess", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Add_undefined_to_a_type_when_accessed_using_an_index, + defaultValueDescription: false, + }, + { + name: "noImplicitOverride", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Ensure_overriding_members_in_derived_classes_are_marked_with_an_override_modifier, + defaultValueDescription: false, + }, + { + name: "noPropertyAccessFromIndexSignature", + type: "boolean", + showInSimplifiedHelpView: false, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Enforces_using_indexed_accessors_for_keys_declared_using_an_indexed_type, + defaultValueDescription: false, + }, + // Module Resolution + { + name: "moduleResolution", + type: new ts.Map(ts.getEntries({ + node: ts.ModuleResolutionKind.NodeJs, + classic: ts.ModuleResolutionKind.Classic, + node16: ts.ModuleResolutionKind.Node16, + nodenext: ts.ModuleResolutionKind.NodeNext, + })), + affectsModuleResolution: true, + paramType: ts.Diagnostics.STRATEGY, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_how_TypeScript_looks_up_a_file_from_a_given_module_specifier, + defaultValueDescription: ts.Diagnostics.module_AMD_or_UMD_or_System_or_ES6_then_Classic_Otherwise_Node + }, + { + name: "baseUrl", + type: "string", + affectsModuleResolution: true, + isFilePath: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_the_base_directory_to_resolve_non_relative_module_names + }, + { + // this option can only be specified in tsconfig.json + // use type = object to copy the value as-is + name: "paths", + type: "object", + affectsModuleResolution: true, + isTSConfigOnly: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_a_set_of_entries_that_re_map_imports_to_additional_lookup_locations, + transpileOptionValue: undefined + }, + { + // this option can only be specified in tsconfig.json + // use type = object to copy the value as-is + name: "rootDirs", + type: "list", + isTSConfigOnly: true, + element: { + name: "rootDirs", + type: "string", + isFilePath: true + }, + affectsModuleResolution: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Allow_multiple_folders_to_be_treated_as_one_when_resolving_modules, + transpileOptionValue: undefined, + defaultValueDescription: ts.Diagnostics.Computed_from_the_list_of_input_files + }, + { + name: "typeRoots", + type: "list", + element: { + name: "typeRoots", + type: "string", + isFilePath: true + }, + affectsModuleResolution: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_multiple_folders_that_act_like_Slashnode_modules_Slash_types + }, + { + name: "types", + type: "list", + element: { + name: "types", + type: "string" + }, + affectsProgramStructure: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Specify_type_package_names_to_be_included_without_being_referenced_in_a_source_file, + transpileOptionValue: undefined + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Interop_Constraints, + description: ts.Diagnostics.Allow_import_x_from_y_when_a_module_doesn_t_have_a_default_export, + defaultValueDescription: ts.Diagnostics.module_system_or_esModuleInterop + }, + { + name: "esModuleInterop", + type: "boolean", + affectsSemanticDiagnostics: true, + affectsEmit: true, + showInSimplifiedHelpView: true, + category: ts.Diagnostics.Interop_Constraints, + description: ts.Diagnostics.Emit_additional_JavaScript_to_ease_support_for_importing_CommonJS_modules_This_enables_allowSyntheticDefaultImports_for_type_compatibility, + defaultValueDescription: false, + }, + { + name: "preserveSymlinks", + type: "boolean", + category: ts.Diagnostics.Interop_Constraints, + description: ts.Diagnostics.Disable_resolving_symlinks_to_their_realpath_This_correlates_to_the_same_flag_in_node, + defaultValueDescription: false, + }, + { + name: "allowUmdGlobalAccess", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Allow_accessing_UMD_globals_from_modules, + defaultValueDescription: false, + }, + { + name: "moduleSuffixes", + type: "list", + element: { + name: "suffix", + type: "string", + }, + listPreserveFalsyValues: true, + affectsModuleResolution: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.List_of_file_name_suffixes_to_search_when_resolving_a_module, + }, + // Source Maps + { + name: "sourceRoot", + type: "string", + affectsEmit: true, + paramType: ts.Diagnostics.LOCATION, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Specify_the_root_path_for_debuggers_to_find_the_reference_source_code, + }, + { + name: "mapRoot", + type: "string", + affectsEmit: true, + paramType: ts.Diagnostics.LOCATION, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + }, + { + name: "inlineSourceMap", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Include_sourcemap_files_inside_the_emitted_JavaScript, + defaultValueDescription: false, + }, + { + name: "inlineSources", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Include_source_code_in_the_sourcemaps_inside_the_emitted_JavaScript, + defaultValueDescription: false, + }, + // Experimental + { + name: "experimentalDecorators", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Enable_experimental_support_for_TC39_stage_2_draft_decorators, + defaultValueDescription: false, + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + affectsSemanticDiagnostics: true, + affectsEmit: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Emit_design_type_metadata_for_decorated_declarations_in_source_files, + defaultValueDescription: false, + }, + // Advanced + { + name: "jsxFactory", + type: "string", + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Specify_the_JSX_factory_function_used_when_targeting_React_JSX_emit_e_g_React_createElement_or_h, + defaultValueDescription: "`React.createElement`" + }, + { + name: "jsxFragmentFactory", + type: "string", + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Specify_the_JSX_Fragment_reference_used_for_fragments_when_targeting_React_JSX_emit_e_g_React_Fragment_or_Fragment, + defaultValueDescription: "React.Fragment", + }, + { + name: "jsxImportSource", + type: "string", + affectsSemanticDiagnostics: true, + affectsEmit: true, + affectsModuleResolution: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Specify_module_specifier_used_to_import_the_JSX_factory_functions_when_using_jsx_Colon_react_jsx_Asterisk, + defaultValueDescription: "react" + }, + { + name: "resolveJsonModule", + type: "boolean", + affectsModuleResolution: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Enable_importing_json_files, + defaultValueDescription: false, + }, + { + name: "out", + type: "string", + affectsEmit: true, + isFilePath: false, + // for correct behaviour, please use outFile + category: ts.Diagnostics.Backwards_Compatibility, + paramType: ts.Diagnostics.FILE, + transpileOptionValue: undefined, + description: ts.Diagnostics.Deprecated_setting_Use_outFile_instead, + }, + { + name: "reactNamespace", + type: "string", + affectsEmit: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Specify_the_object_invoked_for_createElement_This_only_applies_when_targeting_react_JSX_emit, + defaultValueDescription: "`React`", + }, + { + name: "skipDefaultLibCheck", + type: "boolean", + category: ts.Diagnostics.Completeness, + description: ts.Diagnostics.Skip_type_checking_d_ts_files_that_are_included_with_TypeScript, + defaultValueDescription: false, + }, + { + name: "charset", + type: "string", + category: ts.Diagnostics.Backwards_Compatibility, + description: ts.Diagnostics.No_longer_supported_In_early_versions_manually_set_the_text_encoding_for_reading_files, + defaultValueDescription: "utf8" + }, + { + name: "emitBOM", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files, + defaultValueDescription: false, + }, + { + name: "newLine", + type: new ts.Map(ts.getEntries({ + crlf: 0 /* NewLineKind.CarriageReturnLineFeed */, + lf: 1 /* NewLineKind.LineFeed */ + })), + affectsEmit: true, + paramType: ts.Diagnostics.NEWLINE, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Set_the_newline_character_for_emitting_files, + defaultValueDescription: ts.Diagnostics.Platform_specific + }, + { + name: "noErrorTruncation", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Output_Formatting, + description: ts.Diagnostics.Disable_truncating_types_in_error_messages, + defaultValueDescription: false, + }, + { + name: "noLib", + type: "boolean", + category: ts.Diagnostics.Language_and_Environment, + affectsProgramStructure: true, + description: ts.Diagnostics.Disable_including_any_library_files_including_the_default_lib_d_ts, + // We are not returning a sourceFile for lib file when asked by the program, + // so pass --noLib to avoid reporting a file not found error. + transpileOptionValue: true, + defaultValueDescription: false, + }, + { + name: "noResolve", + type: "boolean", + affectsModuleResolution: true, + category: ts.Diagnostics.Modules, + description: ts.Diagnostics.Disallow_import_s_require_s_or_reference_s_from_expanding_the_number_of_files_TypeScript_should_add_to_a_project, + // We are not doing a full typecheck, we are not resolving the whole context, + // so pass --noResolve to avoid reporting missing file errors. + transpileOptionValue: true, + defaultValueDescription: false, + }, + { + name: "stripInternal", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Disable_emitting_declarations_that_have_internal_in_their_JSDoc_comments, + defaultValueDescription: false, + }, + { + name: "disableSizeLimit", + type: "boolean", + affectsProgramStructure: true, + category: ts.Diagnostics.Editor_Support, + description: ts.Diagnostics.Remove_the_20mb_cap_on_total_source_code_size_for_JavaScript_files_in_the_TypeScript_language_server, + defaultValueDescription: false, + }, + { + name: "disableSourceOfProjectReferenceRedirect", + type: "boolean", + isTSConfigOnly: true, + category: ts.Diagnostics.Projects, + description: ts.Diagnostics.Disable_preferring_source_files_instead_of_declaration_files_when_referencing_composite_projects, + defaultValueDescription: false, + }, + { + name: "disableSolutionSearching", + type: "boolean", + isTSConfigOnly: true, + category: ts.Diagnostics.Projects, + description: ts.Diagnostics.Opt_a_project_out_of_multi_project_reference_checking_when_editing, + defaultValueDescription: false, + }, + { + name: "disableReferencedProjectLoad", + type: "boolean", + isTSConfigOnly: true, + category: ts.Diagnostics.Projects, + description: ts.Diagnostics.Reduce_the_number_of_projects_loaded_automatically_by_TypeScript, + defaultValueDescription: false, + }, + { + name: "noImplicitUseStrict", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Backwards_Compatibility, + description: ts.Diagnostics.Disable_adding_use_strict_directives_in_emitted_JavaScript_files, + defaultValueDescription: false, + }, + { + name: "noEmitHelpers", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Disable_generating_custom_helper_functions_like_extends_in_compiled_output, + defaultValueDescription: false, + }, + { + name: "noEmitOnError", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + transpileOptionValue: undefined, + description: ts.Diagnostics.Disable_emitting_files_if_any_type_checking_errors_are_reported, + defaultValueDescription: false, + }, + { + name: "preserveConstEnums", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Disable_erasing_const_enum_declarations_in_generated_code, + defaultValueDescription: false, + }, + { + name: "declarationDir", + type: "string", + affectsEmit: true, + isFilePath: true, + paramType: ts.Diagnostics.DIRECTORY, + category: ts.Diagnostics.Emit, + transpileOptionValue: undefined, + description: ts.Diagnostics.Specify_the_output_directory_for_generated_declaration_files, + }, + { + name: "skipLibCheck", + type: "boolean", + category: ts.Diagnostics.Completeness, + description: ts.Diagnostics.Skip_type_checking_all_d_ts_files, + defaultValueDescription: false, + }, + { + name: "allowUnusedLabels", + type: "boolean", + affectsBindDiagnostics: true, + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Disable_error_reporting_for_unused_labels, + defaultValueDescription: undefined, + }, + { + name: "allowUnreachableCode", + type: "boolean", + affectsBindDiagnostics: true, + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Type_Checking, + description: ts.Diagnostics.Disable_error_reporting_for_unreachable_code, + defaultValueDescription: undefined, + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Backwards_Compatibility, + description: ts.Diagnostics.Disable_reporting_of_excess_property_errors_during_the_creation_of_object_literals, + defaultValueDescription: false, + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Backwards_Compatibility, + description: ts.Diagnostics.Suppress_noImplicitAny_errors_when_indexing_objects_that_lack_index_signatures, + defaultValueDescription: false, + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + affectsModuleResolution: true, + category: ts.Diagnostics.Interop_Constraints, + description: ts.Diagnostics.Ensure_that_casing_is_correct_in_imports, + defaultValueDescription: false, + }, + { + name: "maxNodeModuleJsDepth", + type: "number", + affectsModuleResolution: true, + category: ts.Diagnostics.JavaScript_Support, + description: ts.Diagnostics.Specify_the_maximum_folder_depth_used_for_checking_JavaScript_files_from_node_modules_Only_applicable_with_allowJs, + defaultValueDescription: 0, + }, + { + name: "noStrictGenericChecks", + type: "boolean", + affectsSemanticDiagnostics: true, + category: ts.Diagnostics.Backwards_Compatibility, + description: ts.Diagnostics.Disable_strict_checking_of_generic_signatures_in_function_types, + defaultValueDescription: false, + }, + { + name: "useDefineForClassFields", + type: "boolean", + affectsSemanticDiagnostics: true, + affectsEmit: true, + category: ts.Diagnostics.Language_and_Environment, + description: ts.Diagnostics.Emit_ECMAScript_standard_compliant_class_fields, + defaultValueDescription: ts.Diagnostics.true_for_ES2022_and_above_including_ESNext + }, + { + name: "preserveValueImports", + type: "boolean", + affectsEmit: true, + category: ts.Diagnostics.Emit, + description: ts.Diagnostics.Preserve_unused_imported_values_in_the_JavaScript_output_that_would_otherwise_be_removed, + defaultValueDescription: false, + }, + { + name: "keyofStringsOnly", + type: "boolean", + category: ts.Diagnostics.Backwards_Compatibility, + description: ts.Diagnostics.Make_keyof_only_return_strings_instead_of_string_numbers_or_symbols_Legacy_option, + defaultValueDescription: false, + }, + { + // A list of plugins to load in the language service + name: "plugins", + type: "list", + isTSConfigOnly: true, + element: { + name: "plugin", + type: "object" + }, + description: ts.Diagnostics.Specify_a_list_of_language_service_plugins_to_include, + category: ts.Diagnostics.Editor_Support, + }, + { + name: "moduleDetection", + type: new ts.Map(ts.getEntries({ + auto: ts.ModuleDetectionKind.Auto, + legacy: ts.ModuleDetectionKind.Legacy, + force: ts.ModuleDetectionKind.Force, + })), + affectsModuleResolution: true, + description: ts.Diagnostics.Control_what_method_is_used_to_detect_module_format_JS_files, + category: ts.Diagnostics.Language_and_Environment, + defaultValueDescription: ts.Diagnostics.auto_Colon_Treat_files_with_imports_exports_import_meta_jsx_with_jsx_Colon_react_jsx_or_esm_format_with_module_Colon_node16_as_modules, + } + ]; + /* @internal */ + ts.optionDeclarations = __spreadArray(__spreadArray([], ts.commonOptionsWithBuild, true), commandOptionsWithoutBuild, true); + /* @internal */ + ts.semanticDiagnosticsOptionDeclarations = ts.optionDeclarations.filter(function (option) { return !!option.affectsSemanticDiagnostics; }); + /* @internal */ + ts.affectsEmitOptionDeclarations = ts.optionDeclarations.filter(function (option) { return !!option.affectsEmit; }); + /* @internal */ + ts.moduleResolutionOptionDeclarations = ts.optionDeclarations.filter(function (option) { return !!option.affectsModuleResolution; }); + /* @internal */ + ts.sourceFileAffectingCompilerOptions = ts.optionDeclarations.filter(function (option) { + return !!option.affectsSourceFile || !!option.affectsModuleResolution || !!option.affectsBindDiagnostics; + }); + /* @internal */ + ts.optionsAffectingProgramStructure = ts.optionDeclarations.filter(function (option) { return !!option.affectsProgramStructure; }); + /* @internal */ + ts.transpileOptionValueCompilerOptions = ts.optionDeclarations.filter(function (option) { + return ts.hasProperty(option, "transpileOptionValue"); + }); + // Build related options + /* @internal */ + ts.optionsForBuild = [ + { + name: "verbose", + shortName: "v", + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Enable_verbose_logging, + type: "boolean", + defaultValueDescription: false, + }, + { + name: "dry", + shortName: "d", + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Show_what_would_be_built_or_deleted_if_specified_with_clean, + type: "boolean", + defaultValueDescription: false, + }, + { + name: "force", + shortName: "f", + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Build_all_projects_including_those_that_appear_to_be_up_to_date, + type: "boolean", + defaultValueDescription: false, + }, + { + name: "clean", + category: ts.Diagnostics.Command_line_Options, + description: ts.Diagnostics.Delete_the_outputs_of_all_projects, + type: "boolean", + defaultValueDescription: false, + } + ]; + /* @internal */ + ts.buildOpts = __spreadArray(__spreadArray([], ts.commonOptionsWithBuild, true), ts.optionsForBuild, true); + /* @internal */ + ts.typeAcquisitionDeclarations = [ + { + /* @deprecated typingOptions.enableAutoDiscovery + * Use typeAcquisition.enable instead. + */ + name: "enableAutoDiscovery", + type: "boolean", + defaultValueDescription: false, + }, + { + name: "enable", + type: "boolean", + defaultValueDescription: false, + }, + { + name: "include", + type: "list", + element: { + name: "include", + type: "string" + } + }, + { + name: "exclude", + type: "list", + element: { + name: "exclude", + type: "string" + } + }, + { + name: "disableFilenameBasedTypeAcquisition", + type: "boolean", + defaultValueDescription: false, + }, + ]; + /*@internal*/ + function createOptionNameMap(optionDeclarations) { + var optionsNameMap = new ts.Map(); + var shortOptionNames = new ts.Map(); + ts.forEach(optionDeclarations, function (option) { + optionsNameMap.set(option.name.toLowerCase(), option); + if (option.shortName) { + shortOptionNames.set(option.shortName, option.name); + } + }); + return { optionsNameMap: optionsNameMap, shortOptionNames: shortOptionNames }; + } + ts.createOptionNameMap = createOptionNameMap; + var optionsNameMapCache; + /* @internal */ + function getOptionsNameMap() { + return optionsNameMapCache || (optionsNameMapCache = createOptionNameMap(ts.optionDeclarations)); + } + ts.getOptionsNameMap = getOptionsNameMap; + var compilerOptionsAlternateMode = { + diagnostic: ts.Diagnostics.Compiler_option_0_may_only_be_used_with_build, + getOptionsNameMap: getBuildOptionsNameMap + }; + /* @internal */ + ts.defaultInitCompilerOptions = { + module: ts.ModuleKind.CommonJS, + target: 3 /* ScriptTarget.ES2016 */, + strict: true, + esModuleInterop: true, + forceConsistentCasingInFileNames: true, + skipLibCheck: true + }; + /* @internal */ + function convertEnableAutoDiscoveryToEnable(typeAcquisition) { + // Convert deprecated typingOptions.enableAutoDiscovery to typeAcquisition.enable + if (typeAcquisition && typeAcquisition.enableAutoDiscovery !== undefined && typeAcquisition.enable === undefined) { + return { + enable: typeAcquisition.enableAutoDiscovery, + include: typeAcquisition.include || [], + exclude: typeAcquisition.exclude || [] + }; + } + return typeAcquisition; + } + ts.convertEnableAutoDiscoveryToEnable = convertEnableAutoDiscoveryToEnable; + /* @internal */ + function createCompilerDiagnosticForInvalidCustomType(opt) { + return createDiagnosticForInvalidCustomType(opt, ts.createCompilerDiagnostic); + } + ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType; + function createDiagnosticForInvalidCustomType(opt, createDiagnostic) { + var namesOfType = ts.arrayFrom(opt.type.keys()).map(function (key) { return "'".concat(key, "'"); }).join(", "); + return createDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--".concat(opt.name), namesOfType); + } + /* @internal */ + function parseCustomTypeOption(opt, value, errors) { + return convertJsonOptionOfCustomType(opt, ts.trimString(value || ""), errors); + } + ts.parseCustomTypeOption = parseCustomTypeOption; + /* @internal */ + function parseListTypeOption(opt, value, errors) { + if (value === void 0) { value = ""; } + value = ts.trimString(value); + if (ts.startsWith(value, "-")) { + return undefined; + } + if (value === "") { + return []; + } + var values = value.split(","); + switch (opt.element.type) { + case "number": + return ts.mapDefined(values, function (v) { return validateJsonOptionValue(opt.element, parseInt(v), errors); }); + case "string": + return ts.mapDefined(values, function (v) { return validateJsonOptionValue(opt.element, v || "", errors); }); + default: + return ts.mapDefined(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }); + } + } + ts.parseListTypeOption = parseListTypeOption; + function getOptionName(option) { + return option.name; + } + function createUnknownOptionError(unknownOption, diagnostics, createDiagnostics, unknownOptionErrorText) { + var _a; + if ((_a = diagnostics.alternateMode) === null || _a === void 0 ? void 0 : _a.getOptionsNameMap().optionsNameMap.has(unknownOption.toLowerCase())) { + return createDiagnostics(diagnostics.alternateMode.diagnostic, unknownOption); + } + var possibleOption = ts.getSpellingSuggestion(unknownOption, diagnostics.optionDeclarations, getOptionName); + return possibleOption ? + createDiagnostics(diagnostics.unknownDidYouMeanDiagnostic, unknownOptionErrorText || unknownOption, possibleOption.name) : + createDiagnostics(diagnostics.unknownOptionDiagnostic, unknownOptionErrorText || unknownOption); + } + /*@internal*/ + function parseCommandLineWorker(diagnostics, commandLine, readFile) { + var options = {}; + var watchOptions; + var fileNames = []; + var errors = []; + parseStrings(commandLine); + return { + options: options, + watchOptions: watchOptions, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64 /* CharacterCodes.at */) { + parseResponseFile(s.slice(1)); + } + else if (s.charCodeAt(0) === 45 /* CharacterCodes.minus */) { + var inputOptionName = s.slice(s.charCodeAt(1) === 45 /* CharacterCodes.minus */ ? 2 : 1); + var opt = getOptionDeclarationFromName(diagnostics.getOptionsNameMap, inputOptionName, /*allowShort*/ true); + if (opt) { + i = parseOptionValue(args, i, diagnostics, opt, options, errors); + } + else { + var watchOpt = getOptionDeclarationFromName(watchOptionsDidYouMeanDiagnostics.getOptionsNameMap, inputOptionName, /*allowShort*/ true); + if (watchOpt) { + i = parseOptionValue(args, i, watchOptionsDidYouMeanDiagnostics, watchOpt, watchOptions || (watchOptions = {}), errors); + } + else { + errors.push(createUnknownOptionError(inputOptionName, diagnostics, ts.createCompilerDiagnostic, s)); + } + } + } + else { + fileNames.push(s); + } + } + } + function parseResponseFile(fileName) { + var text = tryReadFile(fileName, readFile || (function (fileName) { return ts.sys.readFile(fileName); })); + if (!ts.isString(text)) { + errors.push(text); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32 /* CharacterCodes.space */) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34 /* CharacterCodes.doubleQuote */) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34 /* CharacterCodes.doubleQuote */) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32 /* CharacterCodes.space */) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); + } + } + ts.parseCommandLineWorker = parseCommandLineWorker; + function parseOptionValue(args, i, diagnostics, opt, options, errors) { + if (opt.isTSConfigOnly) { + var optValue = args[i]; + if (optValue === "null") { + options[opt.name] = undefined; + i++; + } + else if (opt.type === "boolean") { + if (optValue === "false") { + options[opt.name] = validateJsonOptionValue(opt, /*value*/ false, errors); + i++; + } + else { + if (optValue === "true") + i++; + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_false_or_null_on_command_line, opt.name)); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_null_on_command_line, opt.name)); + if (optValue && !ts.startsWith(optValue, "-")) + i++; + } + } + else { + // Check to see if no argument was provided (e.g. "--locale" is the last command-line argument). + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(diagnostics.optionTypeMismatchDiagnostic, opt.name, getCompilerOptionValueTypeString(opt))); + } + if (args[i] !== "null") { + switch (opt.type) { + case "number": + options[opt.name] = validateJsonOptionValue(opt, parseInt(args[i]), errors); + i++; + break; + case "boolean": + // boolean flag has optional value true, false, others + var optValue = args[i]; + options[opt.name] = validateJsonOptionValue(opt, optValue !== "false", errors); + // consume next argument as boolean flag value + if (optValue === "false" || optValue === "true") { + i++; + } + break; + case "string": + options[opt.name] = validateJsonOptionValue(opt, args[i] || "", errors); + i++; + break; + case "list": + var result = parseListTypeOption(opt, args[i], errors); + options[opt.name] = result || []; + if (result) { + i++; + } + break; + // If not a primitive, the possible types are specified in what is effectively a map of options. + default: + options[opt.name] = parseCustomTypeOption(opt, args[i], errors); + i++; + break; + } + } + else { + options[opt.name] = undefined; + i++; + } + } + return i; + } + /*@internal*/ + ts.compilerOptionsDidYouMeanDiagnostics = { + alternateMode: compilerOptionsAlternateMode, + getOptionsNameMap: getOptionsNameMap, + optionDeclarations: ts.optionDeclarations, + unknownOptionDiagnostic: ts.Diagnostics.Unknown_compiler_option_0, + unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_compiler_option_0_Did_you_mean_1, + optionTypeMismatchDiagnostic: ts.Diagnostics.Compiler_option_0_expects_an_argument + }; + function parseCommandLine(commandLine, readFile) { + return parseCommandLineWorker(ts.compilerOptionsDidYouMeanDiagnostics, commandLine, readFile); + } + ts.parseCommandLine = parseCommandLine; + /** @internal */ + function getOptionFromName(optionName, allowShort) { + return getOptionDeclarationFromName(getOptionsNameMap, optionName, allowShort); + } + ts.getOptionFromName = getOptionFromName; + function getOptionDeclarationFromName(getOptionNameMap, optionName, allowShort) { + if (allowShort === void 0) { allowShort = false; } + optionName = optionName.toLowerCase(); + var _a = getOptionNameMap(), optionsNameMap = _a.optionsNameMap, shortOptionNames = _a.shortOptionNames; + // Try to translate short option names to their full equivalents. + if (allowShort) { + var short = shortOptionNames.get(optionName); + if (short !== undefined) { + optionName = short; + } + } + return optionsNameMap.get(optionName); + } + var buildOptionsNameMapCache; + function getBuildOptionsNameMap() { + return buildOptionsNameMapCache || (buildOptionsNameMapCache = createOptionNameMap(ts.buildOpts)); + } + var buildOptionsAlternateMode = { + diagnostic: ts.Diagnostics.Compiler_option_0_may_not_be_used_with_build, + getOptionsNameMap: getOptionsNameMap + }; + var buildOptionsDidYouMeanDiagnostics = { + alternateMode: buildOptionsAlternateMode, + getOptionsNameMap: getBuildOptionsNameMap, + optionDeclarations: ts.buildOpts, + unknownOptionDiagnostic: ts.Diagnostics.Unknown_build_option_0, + unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_build_option_0_Did_you_mean_1, + optionTypeMismatchDiagnostic: ts.Diagnostics.Build_option_0_requires_a_value_of_type_1 + }; + /*@internal*/ + function parseBuildCommand(args) { + var _a = parseCommandLineWorker(buildOptionsDidYouMeanDiagnostics, args), options = _a.options, watchOptions = _a.watchOptions, projects = _a.fileNames, errors = _a.errors; + var buildOptions = options; + if (projects.length === 0) { + // tsc -b invoked with no extra arguments; act as if invoked with "tsc -b ." + projects.push("."); + } + // Nonsensical combinations + if (buildOptions.clean && buildOptions.force) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "clean", "force")); + } + if (buildOptions.clean && buildOptions.verbose) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "clean", "verbose")); + } + if (buildOptions.clean && buildOptions.watch) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "clean", "watch")); + } + if (buildOptions.watch && buildOptions.dry) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "watch", "dry")); + } + return { buildOptions: buildOptions, watchOptions: watchOptions, projects: projects, errors: errors }; + } + ts.parseBuildCommand = parseBuildCommand; + /* @internal */ + function getDiagnosticText(_message) { + var _args = []; + for (var _i = 1; _i < arguments.length; _i++) { + _args[_i - 1] = arguments[_i]; + } + var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments); + return diagnostic.messageText; + } + ts.getDiagnosticText = getDiagnosticText; + /** + * Reads the config file, reports errors if any and exits if the config file cannot be found + */ + function getParsedCommandLineOfConfigFile(configFileName, optionsToExtend, host, extendedConfigCache, watchOptionsToExtend, extraFileExtensions) { + var configFileText = tryReadFile(configFileName, function (fileName) { return host.readFile(fileName); }); + if (!ts.isString(configFileText)) { + host.onUnRecoverableConfigFileDiagnostic(configFileText); + return undefined; + } + var result = ts.parseJsonText(configFileName, configFileText); + var cwd = host.getCurrentDirectory(); + result.path = ts.toPath(configFileName, cwd, ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames)); + result.resolvedPath = result.path; + result.originalFileName = result.fileName; + return parseJsonSourceFileConfigFileContent(result, host, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), cwd), optionsToExtend, ts.getNormalizedAbsolutePath(configFileName, cwd), + /*resolutionStack*/ undefined, extraFileExtensions, extendedConfigCache, watchOptionsToExtend); + } + ts.getParsedCommandLineOfConfigFile = getParsedCommandLineOfConfigFile; + /** + * Read tsconfig.json file + * @param fileName The path to the config file + */ + function readConfigFile(fileName, readFile) { + var textOrDiagnostic = tryReadFile(fileName, readFile); + return ts.isString(textOrDiagnostic) ? parseConfigFileTextToJson(fileName, textOrDiagnostic) : { config: {}, error: textOrDiagnostic }; + } + ts.readConfigFile = readConfigFile; + /** + * Parse the text of the tsconfig.json file + * @param fileName The path to the config file + * @param jsonText The text of the config file + */ + function parseConfigFileTextToJson(fileName, jsonText) { + var jsonSourceFile = ts.parseJsonText(fileName, jsonText); + return { + config: convertConfigFileToObject(jsonSourceFile, jsonSourceFile.parseDiagnostics, /*reportOptionsErrors*/ false, /*optionsIterator*/ undefined), + error: jsonSourceFile.parseDiagnostics.length ? jsonSourceFile.parseDiagnostics[0] : undefined + }; + } + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + /** + * Read tsconfig.json file + * @param fileName The path to the config file + */ + function readJsonConfigFile(fileName, readFile) { + var textOrDiagnostic = tryReadFile(fileName, readFile); + return ts.isString(textOrDiagnostic) ? ts.parseJsonText(fileName, textOrDiagnostic) : { fileName: fileName, parseDiagnostics: [textOrDiagnostic] }; + } + ts.readJsonConfigFile = readJsonConfigFile; + /*@internal*/ + function tryReadFile(fileName, readFile) { + var text; + try { + text = readFile(fileName); + } + catch (e) { + return ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message); + } + return text === undefined ? ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0, fileName) : text; + } + ts.tryReadFile = tryReadFile; + function commandLineOptionsToMap(options) { + return ts.arrayToMap(options, getOptionName); + } + var typeAcquisitionDidYouMeanDiagnostics = { + optionDeclarations: ts.typeAcquisitionDeclarations, + unknownOptionDiagnostic: ts.Diagnostics.Unknown_type_acquisition_option_0, + unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_type_acquisition_option_0_Did_you_mean_1, + }; + var watchOptionsNameMapCache; + function getWatchOptionsNameMap() { + return watchOptionsNameMapCache || (watchOptionsNameMapCache = createOptionNameMap(ts.optionsForWatch)); + } + var watchOptionsDidYouMeanDiagnostics = { + getOptionsNameMap: getWatchOptionsNameMap, + optionDeclarations: ts.optionsForWatch, + unknownOptionDiagnostic: ts.Diagnostics.Unknown_watch_option_0, + unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_watch_option_0_Did_you_mean_1, + optionTypeMismatchDiagnostic: ts.Diagnostics.Watch_option_0_requires_a_value_of_type_1 + }; + var commandLineCompilerOptionsMapCache; + function getCommandLineCompilerOptionsMap() { + return commandLineCompilerOptionsMapCache || (commandLineCompilerOptionsMapCache = commandLineOptionsToMap(ts.optionDeclarations)); + } + var commandLineWatchOptionsMapCache; + function getCommandLineWatchOptionsMap() { + return commandLineWatchOptionsMapCache || (commandLineWatchOptionsMapCache = commandLineOptionsToMap(ts.optionsForWatch)); + } + var commandLineTypeAcquisitionMapCache; + function getCommandLineTypeAcquisitionMap() { + return commandLineTypeAcquisitionMapCache || (commandLineTypeAcquisitionMapCache = commandLineOptionsToMap(ts.typeAcquisitionDeclarations)); + } + var _tsconfigRootOptions; + function getTsconfigRootOptionsMap() { + if (_tsconfigRootOptions === undefined) { + _tsconfigRootOptions = { + name: undefined, + type: "object", + elementOptions: commandLineOptionsToMap([ + { + name: "compilerOptions", + type: "object", + elementOptions: getCommandLineCompilerOptionsMap(), + extraKeyDiagnostics: ts.compilerOptionsDidYouMeanDiagnostics, + }, + { + name: "watchOptions", + type: "object", + elementOptions: getCommandLineWatchOptionsMap(), + extraKeyDiagnostics: watchOptionsDidYouMeanDiagnostics, + }, + { + name: "typingOptions", + type: "object", + elementOptions: getCommandLineTypeAcquisitionMap(), + extraKeyDiagnostics: typeAcquisitionDidYouMeanDiagnostics, + }, + { + name: "typeAcquisition", + type: "object", + elementOptions: getCommandLineTypeAcquisitionMap(), + extraKeyDiagnostics: typeAcquisitionDidYouMeanDiagnostics + }, + { + name: "extends", + type: "string", + category: ts.Diagnostics.File_Management, + }, + { + name: "references", + type: "list", + element: { + name: "references", + type: "object" + }, + category: ts.Diagnostics.Projects, + }, + { + name: "files", + type: "list", + element: { + name: "files", + type: "string" + }, + category: ts.Diagnostics.File_Management, + }, + { + name: "include", + type: "list", + element: { + name: "include", + type: "string" + }, + category: ts.Diagnostics.File_Management, + defaultValueDescription: ts.Diagnostics.if_files_is_specified_otherwise_Asterisk_Asterisk_Slash_Asterisk + }, + { + name: "exclude", + type: "list", + element: { + name: "exclude", + type: "string" + }, + category: ts.Diagnostics.File_Management, + defaultValueDescription: ts.Diagnostics.node_modules_bower_components_jspm_packages_plus_the_value_of_outDir_if_one_is_specified + }, + ts.compileOnSaveCommandLineOption + ]) + }; + } + return _tsconfigRootOptions; + } + function convertConfigFileToObject(sourceFile, errors, reportOptionsErrors, optionsIterator) { + var _a; + var rootExpression = (_a = sourceFile.statements[0]) === null || _a === void 0 ? void 0 : _a.expression; + var knownRootOptions = reportOptionsErrors ? getTsconfigRootOptionsMap() : undefined; + if (rootExpression && rootExpression.kind !== 205 /* SyntaxKind.ObjectLiteralExpression */) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, rootExpression, ts.Diagnostics.The_root_value_of_a_0_file_must_be_an_object, ts.getBaseFileName(sourceFile.fileName) === "jsconfig.json" ? "jsconfig.json" : "tsconfig.json")); + // Last-ditch error recovery. Somewhat useful because the JSON parser will recover from some parse errors by + // synthesizing a top-level array literal expression. There's a reasonable chance the first element of that + // array is a well-formed configuration object, made into an array element by stray characters. + if (ts.isArrayLiteralExpression(rootExpression)) { + var firstObject = ts.find(rootExpression.elements, ts.isObjectLiteralExpression); + if (firstObject) { + return convertToObjectWorker(sourceFile, firstObject, errors, /*returnValue*/ true, knownRootOptions, optionsIterator); + } + } + return {}; + } + return convertToObjectWorker(sourceFile, rootExpression, errors, /*returnValue*/ true, knownRootOptions, optionsIterator); + } + /** + * Convert the json syntax tree into the json value + */ + function convertToObject(sourceFile, errors) { + var _a; + return convertToObjectWorker(sourceFile, (_a = sourceFile.statements[0]) === null || _a === void 0 ? void 0 : _a.expression, errors, /*returnValue*/ true, /*knownRootOptions*/ undefined, /*jsonConversionNotifier*/ undefined); + } + ts.convertToObject = convertToObject; + /** + * Convert the json syntax tree into the json value and report errors + * This returns the json value (apart from checking errors) only if returnValue provided is true. + * Otherwise it just checks the errors and returns undefined + */ + /*@internal*/ + function convertToObjectWorker(sourceFile, rootExpression, errors, returnValue, knownRootOptions, jsonConversionNotifier) { + if (!rootExpression) { + return returnValue ? {} : undefined; + } + return convertPropertyValueToJson(rootExpression, knownRootOptions); + function isRootOptionMap(knownOptions) { + return knownRootOptions && knownRootOptions.elementOptions === knownOptions; + } + function convertObjectLiteralExpressionToJson(node, knownOptions, extraKeyDiagnostics, parentOption) { + var result = returnValue ? {} : undefined; + var _loop_4 = function (element) { + if (element.kind !== 296 /* SyntaxKind.PropertyAssignment */) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element, ts.Diagnostics.Property_assignment_expected)); + return "continue"; + } + if (element.questionToken) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.questionToken, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, "?")); + } + if (!isDoubleQuotedString(element.name)) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, ts.Diagnostics.String_literal_with_double_quotes_expected)); + } + var textOfKey = ts.isComputedNonLiteralName(element.name) ? undefined : ts.getTextOfPropertyName(element.name); + var keyText = textOfKey && ts.unescapeLeadingUnderscores(textOfKey); + var option = keyText && knownOptions ? knownOptions.get(keyText) : undefined; + if (keyText && extraKeyDiagnostics && !option) { + if (knownOptions) { + errors.push(createUnknownOptionError(keyText, extraKeyDiagnostics, function (message, arg0, arg1) { return ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, message, arg0, arg1); })); + } + else { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, extraKeyDiagnostics.unknownOptionDiagnostic, keyText)); + } + } + var value = convertPropertyValueToJson(element.initializer, option); + if (typeof keyText !== "undefined") { + if (returnValue) { + result[keyText] = value; + } + // Notify key value set, if user asked for it + if (jsonConversionNotifier && + // Current callbacks are only on known parent option or if we are setting values in the root + (parentOption || isRootOptionMap(knownOptions))) { + var isValidOptionValue = isCompilerOptionsValue(option, value); + if (parentOption) { + if (isValidOptionValue) { + // Notify option set in the parent if its a valid option value + jsonConversionNotifier.onSetValidOptionKeyValueInParent(parentOption, option, value); + } + } + else if (isRootOptionMap(knownOptions)) { + if (isValidOptionValue) { + // Notify about the valid root key value being set + jsonConversionNotifier.onSetValidOptionKeyValueInRoot(keyText, element.name, value, element.initializer); + } + else if (!option) { + // Notify about the unknown root key value being set + jsonConversionNotifier.onSetUnknownOptionKeyValueInRoot(keyText, element.name, value, element.initializer); + } + } + } + } + }; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var element = _a[_i]; + _loop_4(element); + } + return result; + } + function convertArrayLiteralExpressionToJson(elements, elementOption) { + if (!returnValue) { + elements.forEach(function (element) { return convertPropertyValueToJson(element, elementOption); }); + return undefined; + } + // Filter out invalid values + return ts.filter(elements.map(function (element) { return convertPropertyValueToJson(element, elementOption); }), function (v) { return v !== undefined; }); + } + function convertPropertyValueToJson(valueExpression, option) { + var invalidReported; + switch (valueExpression.kind) { + case 110 /* SyntaxKind.TrueKeyword */: + reportInvalidOptionValue(option && option.type !== "boolean"); + return validateValue(/*value*/ true); + case 95 /* SyntaxKind.FalseKeyword */: + reportInvalidOptionValue(option && option.type !== "boolean"); + return validateValue(/*value*/ false); + case 104 /* SyntaxKind.NullKeyword */: + reportInvalidOptionValue(option && option.name === "extends"); // "extends" is the only option we don't allow null/undefined for + return validateValue(/*value*/ null); // eslint-disable-line no-null/no-null + case 10 /* SyntaxKind.StringLiteral */: + if (!isDoubleQuotedString(valueExpression)) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.String_literal_with_double_quotes_expected)); + } + reportInvalidOptionValue(option && (ts.isString(option.type) && option.type !== "string")); + var text = valueExpression.text; + if (option && !ts.isString(option.type)) { + var customOption = option; + // Validate custom option type + if (!customOption.type.has(text.toLowerCase())) { + errors.push(createDiagnosticForInvalidCustomType(customOption, function (message, arg0, arg1) { return ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, message, arg0, arg1); })); + invalidReported = true; + } + } + return validateValue(text); + case 8 /* SyntaxKind.NumericLiteral */: + reportInvalidOptionValue(option && option.type !== "number"); + return validateValue(Number(valueExpression.text)); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + if (valueExpression.operator !== 40 /* SyntaxKind.MinusToken */ || valueExpression.operand.kind !== 8 /* SyntaxKind.NumericLiteral */) { + break; // not valid JSON syntax + } + reportInvalidOptionValue(option && option.type !== "number"); + return validateValue(-Number(valueExpression.operand.text)); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + reportInvalidOptionValue(option && option.type !== "object"); + var objectLiteralExpression = valueExpression; + // Currently having element option declaration in the tsconfig with type "object" + // determines if it needs onSetValidOptionKeyValueInParent callback or not + // At moment there are only "compilerOptions", "typeAcquisition" and "typingOptions" + // that satifies it and need it to modify options set in them (for normalizing file paths) + // vs what we set in the json + // If need arises, we can modify this interface and callbacks as needed + if (option) { + var _a = option, elementOptions = _a.elementOptions, extraKeyDiagnostics = _a.extraKeyDiagnostics, optionName = _a.name; + return validateValue(convertObjectLiteralExpressionToJson(objectLiteralExpression, elementOptions, extraKeyDiagnostics, optionName)); + } + else { + return validateValue(convertObjectLiteralExpressionToJson(objectLiteralExpression, /* knownOptions*/ undefined, + /*extraKeyDiagnosticMessage */ undefined, /*parentOption*/ undefined)); + } + case 204 /* SyntaxKind.ArrayLiteralExpression */: + reportInvalidOptionValue(option && option.type !== "list"); + return validateValue(convertArrayLiteralExpressionToJson(valueExpression.elements, option && option.element)); + } + // Not in expected format + if (option) { + reportInvalidOptionValue(/*isError*/ true); + } + else { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_literal)); + } + return undefined; + function validateValue(value) { + var _a; + if (!invalidReported) { + var diagnostic = (_a = option === null || option === void 0 ? void 0 : option.extraValidation) === null || _a === void 0 ? void 0 : _a.call(option, value); + if (diagnostic) { + errors.push(ts.createDiagnosticForNodeInSourceFile.apply(void 0, __spreadArray([sourceFile, valueExpression], diagnostic, false))); + return undefined; + } + } + return value; + } + function reportInvalidOptionValue(isError) { + if (isError) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, option.name, getCompilerOptionValueTypeString(option))); + invalidReported = true; + } + } + } + function isDoubleQuotedString(node) { + return ts.isStringLiteral(node) && ts.isStringDoubleQuoted(node, sourceFile); + } + } + ts.convertToObjectWorker = convertToObjectWorker; + function getCompilerOptionValueTypeString(option) { + return option.type === "list" ? + "Array" : + ts.isString(option.type) ? option.type : "string"; + } + function isCompilerOptionsValue(option, value) { + if (option) { + if (isNullOrUndefined(value)) + return true; // All options are undefinable/nullable + if (option.type === "list") { + return ts.isArray(value); + } + var expectedType = ts.isString(option.type) ? option.type : "string"; + return typeof value === expectedType; + } + return false; + } + /** + * Generate an uncommented, complete tsconfig for use with "--showConfig" + * @param configParseResult options to be generated into tsconfig.json + * @param configFileName name of the parsed config file - output paths will be generated relative to this + * @param host provides current directory and case sensitivity services + */ + /** @internal */ + function convertToTSConfig(configParseResult, configFileName, host) { + var _a, _b, _c; + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); + var files = ts.map(ts.filter(configParseResult.fileNames, !((_b = (_a = configParseResult.options.configFile) === null || _a === void 0 ? void 0 : _a.configFileSpecs) === null || _b === void 0 ? void 0 : _b.validatedIncludeSpecs) ? ts.returnTrue : matchesSpecs(configFileName, configParseResult.options.configFile.configFileSpecs.validatedIncludeSpecs, configParseResult.options.configFile.configFileSpecs.validatedExcludeSpecs, host)), function (f) { return ts.getRelativePathFromFile(ts.getNormalizedAbsolutePath(configFileName, host.getCurrentDirectory()), ts.getNormalizedAbsolutePath(f, host.getCurrentDirectory()), getCanonicalFileName); }); + var optionMap = serializeCompilerOptions(configParseResult.options, { configFilePath: ts.getNormalizedAbsolutePath(configFileName, host.getCurrentDirectory()), useCaseSensitiveFileNames: host.useCaseSensitiveFileNames }); + var watchOptionMap = configParseResult.watchOptions && serializeWatchOptions(configParseResult.watchOptions); + var config = __assign(__assign({ compilerOptions: __assign(__assign({}, optionMapToObject(optionMap)), { showConfig: undefined, configFile: undefined, configFilePath: undefined, help: undefined, init: undefined, listFiles: undefined, listEmittedFiles: undefined, project: undefined, build: undefined, version: undefined }), watchOptions: watchOptionMap && optionMapToObject(watchOptionMap), references: ts.map(configParseResult.projectReferences, function (r) { return (__assign(__assign({}, r), { path: r.originalPath ? r.originalPath : "", originalPath: undefined })); }), files: ts.length(files) ? files : undefined }, (((_c = configParseResult.options.configFile) === null || _c === void 0 ? void 0 : _c.configFileSpecs) ? { + include: filterSameAsDefaultInclude(configParseResult.options.configFile.configFileSpecs.validatedIncludeSpecs), + exclude: configParseResult.options.configFile.configFileSpecs.validatedExcludeSpecs + } : {})), { compileOnSave: !!configParseResult.compileOnSave ? true : undefined }); + return config; + } + ts.convertToTSConfig = convertToTSConfig; + function optionMapToObject(optionMap) { + return __assign({}, ts.arrayFrom(optionMap.entries()).reduce(function (prev, cur) { + var _a; + return (__assign(__assign({}, prev), (_a = {}, _a[cur[0]] = cur[1], _a))); + }, {})); + } + function filterSameAsDefaultInclude(specs) { + if (!ts.length(specs)) + return undefined; + if (ts.length(specs) !== 1) + return specs; + if (specs[0] === "**/*") + return undefined; + return specs; + } + function matchesSpecs(path, includeSpecs, excludeSpecs, host) { + if (!includeSpecs) + return ts.returnTrue; + var patterns = ts.getFileMatcherPatterns(path, excludeSpecs, includeSpecs, host.useCaseSensitiveFileNames, host.getCurrentDirectory()); + var excludeRe = patterns.excludePattern && ts.getRegexFromPattern(patterns.excludePattern, host.useCaseSensitiveFileNames); + var includeRe = patterns.includeFilePattern && ts.getRegexFromPattern(patterns.includeFilePattern, host.useCaseSensitiveFileNames); + if (includeRe) { + if (excludeRe) { + return function (path) { return !(includeRe.test(path) && !excludeRe.test(path)); }; + } + return function (path) { return !includeRe.test(path); }; + } + if (excludeRe) { + return function (path) { return excludeRe.test(path); }; + } + return ts.returnTrue; + } + function getCustomTypeMapOfCommandLineOption(optionDefinition) { + if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean" || optionDefinition.type === "object") { + // this is of a type CommandLineOptionOfPrimitiveType + return undefined; + } + else if (optionDefinition.type === "list") { + return getCustomTypeMapOfCommandLineOption(optionDefinition.element); + } + else { + return optionDefinition.type; + } + } + function getNameOfCompilerOptionValue(value, customTypeMap) { + // There is a typeMap associated with this command-line option so use it to map value back to its name + return ts.forEachEntry(customTypeMap, function (mapValue, key) { + if (mapValue === value) { + return key; + } + }); + } + function serializeCompilerOptions(options, pathOptions) { + return serializeOptionBaseObject(options, getOptionsNameMap(), pathOptions); + } + function serializeWatchOptions(options) { + return serializeOptionBaseObject(options, getWatchOptionsNameMap()); + } + function serializeOptionBaseObject(options, _a, pathOptions) { + var optionsNameMap = _a.optionsNameMap; + var result = new ts.Map(); + var getCanonicalFileName = pathOptions && ts.createGetCanonicalFileName(pathOptions.useCaseSensitiveFileNames); + var _loop_5 = function (name) { + if (ts.hasProperty(options, name)) { + // tsconfig only options cannot be specified via command line, + // so we can assume that only types that can appear here string | number | boolean + if (optionsNameMap.has(name) && (optionsNameMap.get(name).category === ts.Diagnostics.Command_line_Options || optionsNameMap.get(name).category === ts.Diagnostics.Output_Formatting)) { + return "continue"; + } + var value = options[name]; + var optionDefinition = optionsNameMap.get(name.toLowerCase()); + if (optionDefinition) { + var customTypeMap_1 = getCustomTypeMapOfCommandLineOption(optionDefinition); + if (!customTypeMap_1) { + // There is no map associated with this compiler option then use the value as-is + // This is the case if the value is expect to be string, number, boolean or list of string + if (pathOptions && optionDefinition.isFilePath) { + result.set(name, ts.getRelativePathFromFile(pathOptions.configFilePath, ts.getNormalizedAbsolutePath(value, ts.getDirectoryPath(pathOptions.configFilePath)), getCanonicalFileName)); + } + else { + result.set(name, value); + } + } + else { + if (optionDefinition.type === "list") { + result.set(name, value.map(function (element) { return getNameOfCompilerOptionValue(element, customTypeMap_1); })); // TODO: GH#18217 + } + else { + // There is a typeMap associated with this command-line option so use it to map value back to its name + result.set(name, getNameOfCompilerOptionValue(value, customTypeMap_1)); + } + } + } + } + }; + for (var name in options) { + _loop_5(name); + } + return result; + } + /** + * Generate a list of the compiler options whose value is not the default. + * @param options compilerOptions to be evaluated. + /** @internal */ + function getCompilerOptionsDiffValue(options, newLine) { + var compilerOptionsMap = getSerializedCompilerOption(options); + return getOverwrittenDefaultOptions(); + function makePadding(paddingLength) { + return Array(paddingLength + 1).join(" "); + } + function getOverwrittenDefaultOptions() { + var result = []; + var tab = makePadding(2); + commandOptionsWithoutBuild.forEach(function (cmd) { + if (!compilerOptionsMap.has(cmd.name)) { + return; + } + var newValue = compilerOptionsMap.get(cmd.name); + var defaultValue = getDefaultValueForOption(cmd); + if (newValue !== defaultValue) { + result.push("".concat(tab).concat(cmd.name, ": ").concat(newValue)); + } + else if (ts.hasProperty(ts.defaultInitCompilerOptions, cmd.name)) { + result.push("".concat(tab).concat(cmd.name, ": ").concat(defaultValue)); + } + }); + return result.join(newLine) + newLine; + } + } + ts.getCompilerOptionsDiffValue = getCompilerOptionsDiffValue; + /** + * Get the compiler options to be written into the tsconfig.json. + * @param options commandlineOptions to be included in the compileOptions. + */ + function getSerializedCompilerOption(options) { + var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); + return serializeCompilerOptions(compilerOptions); + } + /** + * Generate tsconfig configuration when running command line "--init" + * @param options commandlineOptions to be generated into tsconfig.json + * @param fileNames array of filenames to be generated into tsconfig.json + */ + /* @internal */ + function generateTSConfig(options, fileNames, newLine) { + var compilerOptionsMap = getSerializedCompilerOption(options); + return writeConfigurations(); + function makePadding(paddingLength) { + return Array(paddingLength + 1).join(" "); + } + function isAllowedOptionForOutput(_a) { + var category = _a.category, name = _a.name, isCommandLineOnly = _a.isCommandLineOnly; + // Skip options which do not have a category or have categories which are more niche + var categoriesToSkip = [ts.Diagnostics.Command_line_Options, ts.Diagnostics.Editor_Support, ts.Diagnostics.Compiler_Diagnostics, ts.Diagnostics.Backwards_Compatibility, ts.Diagnostics.Watch_and_Build_Modes, ts.Diagnostics.Output_Formatting]; + return !isCommandLineOnly && category !== undefined && (!categoriesToSkip.includes(category) || compilerOptionsMap.has(name)); + } + function writeConfigurations() { + // Filter applicable options to place in the file + var categorizedOptions = ts.createMultiMap(); + for (var _i = 0, optionDeclarations_1 = ts.optionDeclarations; _i < optionDeclarations_1.length; _i++) { + var option = optionDeclarations_1[_i]; + var category = option.category; + if (isAllowedOptionForOutput(option)) { + categorizedOptions.add(ts.getLocaleSpecificMessage(category), option); + } + } + // Serialize all options and their descriptions + var marginLength = 0; + var seenKnownKeys = 0; + var entries = []; + categorizedOptions.forEach(function (options, category) { + if (entries.length !== 0) { + entries.push({ value: "" }); + } + entries.push({ value: "/* ".concat(category, " */") }); + for (var _i = 0, options_1 = options; _i < options_1.length; _i++) { + var option = options_1[_i]; + var optionName = void 0; + if (compilerOptionsMap.has(option.name)) { + optionName = "\"".concat(option.name, "\": ").concat(JSON.stringify(compilerOptionsMap.get(option.name))).concat((seenKnownKeys += 1) === compilerOptionsMap.size ? "" : ","); + } + else { + optionName = "// \"".concat(option.name, "\": ").concat(JSON.stringify(getDefaultValueForOption(option)), ","); + } + entries.push({ + value: optionName, + description: "/* ".concat(option.description && ts.getLocaleSpecificMessage(option.description) || option.name, " */") + }); + marginLength = Math.max(optionName.length, marginLength); + } + }); + // Write the output + var tab = makePadding(2); + var result = []; + result.push("{"); + result.push("".concat(tab, "\"compilerOptions\": {")); + result.push("".concat(tab).concat(tab, "/* ").concat(ts.getLocaleSpecificMessage(ts.Diagnostics.Visit_https_Colon_Slash_Slashaka_ms_Slashtsconfig_to_read_more_about_this_file), " */")); + result.push(""); + // Print out each row, aligning all the descriptions on the same column. + for (var _a = 0, entries_2 = entries; _a < entries_2.length; _a++) { + var entry = entries_2[_a]; + var value = entry.value, _b = entry.description, description = _b === void 0 ? "" : _b; + result.push(value && "".concat(tab).concat(tab).concat(value).concat(description && (makePadding(marginLength - value.length + 2) + description))); + } + if (fileNames.length) { + result.push("".concat(tab, "},")); + result.push("".concat(tab, "\"files\": [")); + for (var i = 0; i < fileNames.length; i++) { + result.push("".concat(tab).concat(tab).concat(JSON.stringify(fileNames[i])).concat(i === fileNames.length - 1 ? "" : ",")); + } + result.push("".concat(tab, "]")); + } + else { + result.push("".concat(tab, "}")); + } + result.push("}"); + return result.join(newLine) + newLine; + } + } + ts.generateTSConfig = generateTSConfig; + /* @internal */ + function convertToOptionsWithAbsolutePaths(options, toAbsolutePath) { + var result = {}; + var optionsNameMap = getOptionsNameMap().optionsNameMap; + for (var name in options) { + if (ts.hasProperty(options, name)) { + result[name] = convertToOptionValueWithAbsolutePaths(optionsNameMap.get(name.toLowerCase()), options[name], toAbsolutePath); + } + } + if (result.configFilePath) { + result.configFilePath = toAbsolutePath(result.configFilePath); + } + return result; + } + ts.convertToOptionsWithAbsolutePaths = convertToOptionsWithAbsolutePaths; + function convertToOptionValueWithAbsolutePaths(option, value, toAbsolutePath) { + if (option && !isNullOrUndefined(value)) { + if (option.type === "list") { + var values = value; + if (option.element.isFilePath && values.length) { + return values.map(toAbsolutePath); + } + } + else if (option.isFilePath) { + return toAbsolutePath(value); + } + } + return value; + } + /** + * Parse the contents of a config file (tsconfig.json). + * @param json The contents of the config file to parse + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + */ + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache, existingWatchOptions) { + return parseJsonConfigFileContentWorker(json, /*sourceFile*/ undefined, host, basePath, existingOptions, existingWatchOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache); + } + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + /** + * Parse the contents of a config file (tsconfig.json). + * @param jsonNode The contents of the config file to parse + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + */ + function parseJsonSourceFileConfigFileContent(sourceFile, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache, existingWatchOptions) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("parse" /* tracing.Phase.Parse */, "parseJsonSourceFileConfigFileContent", { path: sourceFile.fileName }); + var result = parseJsonConfigFileContentWorker(/*json*/ undefined, sourceFile, host, basePath, existingOptions, existingWatchOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return result; + } + ts.parseJsonSourceFileConfigFileContent = parseJsonSourceFileConfigFileContent; + /*@internal*/ + function setConfigFileInOptions(options, configFile) { + if (configFile) { + Object.defineProperty(options, "configFile", { enumerable: false, writable: false, value: configFile }); + } + } + ts.setConfigFileInOptions = setConfigFileInOptions; + function isNullOrUndefined(x) { + return x === undefined || x === null; // eslint-disable-line no-null/no-null + } + function directoryOfCombinedPath(fileName, basePath) { + // Use the `getNormalizedAbsolutePath` function to avoid canonicalizing the path, as it must remain noncanonical + // until consistent casing errors are reported + return ts.getDirectoryPath(ts.getNormalizedAbsolutePath(fileName, basePath)); + } + /** + * Parse the contents of a config file from json or json source file (tsconfig.json). + * @param json The contents of the config file to parse + * @param sourceFile sourceFile corresponding to the Json + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + * @param resolutionStack Only present for backwards-compatibility. Should be empty. + */ + function parseJsonConfigFileContentWorker(json, sourceFile, host, basePath, existingOptions, existingWatchOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache) { + if (existingOptions === void 0) { existingOptions = {}; } + if (resolutionStack === void 0) { resolutionStack = []; } + if (extraFileExtensions === void 0) { extraFileExtensions = []; } + ts.Debug.assert((json === undefined && sourceFile !== undefined) || (json !== undefined && sourceFile === undefined)); + var errors = []; + var parsedConfig = parseConfig(json, sourceFile, host, basePath, configFileName, resolutionStack, errors, extendedConfigCache); + var raw = parsedConfig.raw; + var options = ts.extend(existingOptions, parsedConfig.options || {}); + var watchOptions = existingWatchOptions && parsedConfig.watchOptions ? + ts.extend(existingWatchOptions, parsedConfig.watchOptions) : + parsedConfig.watchOptions || existingWatchOptions; + options.configFilePath = configFileName && ts.normalizeSlashes(configFileName); + var configFileSpecs = getConfigFileSpecs(); + if (sourceFile) + sourceFile.configFileSpecs = configFileSpecs; + setConfigFileInOptions(options, sourceFile); + var basePathForFileNames = ts.normalizePath(configFileName ? directoryOfCombinedPath(configFileName, basePath) : basePath); + return { + options: options, + watchOptions: watchOptions, + fileNames: getFileNames(basePathForFileNames), + projectReferences: getProjectReferences(basePathForFileNames), + typeAcquisition: parsedConfig.typeAcquisition || getDefaultTypeAcquisition(), + raw: raw, + errors: errors, + // Wildcard directories (provided as part of a wildcard path) are stored in a + // file map that marks whether it was a regular wildcard match (with a `*` or `?` token), + // or a recursive directory. This information is used by filesystem watchers to monitor for + // new entries in these paths. + wildcardDirectories: getWildcardDirectories(configFileSpecs, basePathForFileNames, host.useCaseSensitiveFileNames), + compileOnSave: !!raw.compileOnSave, + }; + function getConfigFileSpecs() { + var referencesOfRaw = getPropFromRaw("references", function (element) { return typeof element === "object"; }, "object"); + var filesSpecs = toPropValue(getSpecsFromRaw("files")); + if (filesSpecs) { + var hasZeroOrNoReferences = referencesOfRaw === "no-prop" || ts.isArray(referencesOfRaw) && referencesOfRaw.length === 0; + var hasExtends = ts.hasProperty(raw, "extends"); + if (filesSpecs.length === 0 && hasZeroOrNoReferences && !hasExtends) { + if (sourceFile) { + var fileName = configFileName || "tsconfig.json"; + var diagnosticMessage = ts.Diagnostics.The_files_list_in_config_file_0_is_empty; + var nodeValue = ts.firstDefined(ts.getTsConfigPropArray(sourceFile, "files"), function (property) { return property.initializer; }); + var error = nodeValue + ? ts.createDiagnosticForNodeInSourceFile(sourceFile, nodeValue, diagnosticMessage, fileName) + : ts.createCompilerDiagnostic(diagnosticMessage, fileName); + errors.push(error); + } + else { + createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json"); + } + } + } + var includeSpecs = toPropValue(getSpecsFromRaw("include")); + var excludeOfRaw = getSpecsFromRaw("exclude"); + var excludeSpecs = toPropValue(excludeOfRaw); + if (excludeOfRaw === "no-prop" && raw.compilerOptions) { + var outDir = raw.compilerOptions.outDir; + var declarationDir = raw.compilerOptions.declarationDir; + if (outDir || declarationDir) { + excludeSpecs = [outDir, declarationDir].filter(function (d) { return !!d; }); + } + } + if (filesSpecs === undefined && includeSpecs === undefined) { + includeSpecs = ["**/*"]; + } + var validatedIncludeSpecs, validatedExcludeSpecs; + // The exclude spec list is converted into a regular expression, which allows us to quickly + // test whether a file or directory should be excluded before recursively traversing the + // file system. + if (includeSpecs) { + validatedIncludeSpecs = validateSpecs(includeSpecs, errors, /*disallowTrailingRecursion*/ true, sourceFile, "include"); + } + if (excludeSpecs) { + validatedExcludeSpecs = validateSpecs(excludeSpecs, errors, /*disallowTrailingRecursion*/ false, sourceFile, "exclude"); + } + return { + filesSpecs: filesSpecs, + includeSpecs: includeSpecs, + excludeSpecs: excludeSpecs, + validatedFilesSpec: ts.filter(filesSpecs, ts.isString), + validatedIncludeSpecs: validatedIncludeSpecs, + validatedExcludeSpecs: validatedExcludeSpecs, + pathPatterns: undefined, // Initialized on first use + }; + } + function getFileNames(basePath) { + var fileNames = getFileNamesFromConfigSpecs(configFileSpecs, basePath, options, host, extraFileExtensions); + if (shouldReportNoInputFiles(fileNames, canJsonReportNoInputFiles(raw), resolutionStack)) { + errors.push(getErrorForNoInputFiles(configFileSpecs, configFileName)); + } + return fileNames; + } + function getProjectReferences(basePath) { + var projectReferences; + var referencesOfRaw = getPropFromRaw("references", function (element) { return typeof element === "object"; }, "object"); + if (ts.isArray(referencesOfRaw)) { + for (var _i = 0, referencesOfRaw_1 = referencesOfRaw; _i < referencesOfRaw_1.length; _i++) { + var ref = referencesOfRaw_1[_i]; + if (typeof ref.path !== "string") { + createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "reference.path", "string"); + } + else { + (projectReferences || (projectReferences = [])).push({ + path: ts.getNormalizedAbsolutePath(ref.path, basePath), + originalPath: ref.path, + prepend: ref.prepend, + circular: ref.circular + }); + } + } + } + return projectReferences; + } + function toPropValue(specResult) { + return ts.isArray(specResult) ? specResult : undefined; + } + function getSpecsFromRaw(prop) { + return getPropFromRaw(prop, ts.isString, "string"); + } + function getPropFromRaw(prop, validateElement, elementTypeName) { + if (ts.hasProperty(raw, prop) && !isNullOrUndefined(raw[prop])) { + if (ts.isArray(raw[prop])) { + var result = raw[prop]; + if (!sourceFile && !ts.every(result, validateElement)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, prop, elementTypeName)); + } + return result; + } + else { + createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, prop, "Array"); + return "not-array"; + } + } + return "no-prop"; + } + function createCompilerDiagnosticOnlyIfJson(message, arg0, arg1) { + if (!sourceFile) { + errors.push(ts.createCompilerDiagnostic(message, arg0, arg1)); + } + } + } + function isErrorNoInputFiles(error) { + return error.code === ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2.code; + } + function getErrorForNoInputFiles(_a, configFileName) { + var includeSpecs = _a.includeSpecs, excludeSpecs = _a.excludeSpecs; + return ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || [])); + } + function shouldReportNoInputFiles(fileNames, canJsonReportNoInutFiles, resolutionStack) { + return fileNames.length === 0 && canJsonReportNoInutFiles && (!resolutionStack || resolutionStack.length === 0); + } + /*@internal*/ + function canJsonReportNoInputFiles(raw) { + return !ts.hasProperty(raw, "files") && !ts.hasProperty(raw, "references"); + } + ts.canJsonReportNoInputFiles = canJsonReportNoInputFiles; + /*@internal*/ + function updateErrorForNoInputFiles(fileNames, configFileName, configFileSpecs, configParseDiagnostics, canJsonReportNoInutFiles) { + var existingErrors = configParseDiagnostics.length; + if (shouldReportNoInputFiles(fileNames, canJsonReportNoInutFiles)) { + configParseDiagnostics.push(getErrorForNoInputFiles(configFileSpecs, configFileName)); + } + else { + ts.filterMutate(configParseDiagnostics, function (error) { return !isErrorNoInputFiles(error); }); + } + return existingErrors !== configParseDiagnostics.length; + } + ts.updateErrorForNoInputFiles = updateErrorForNoInputFiles; + function isSuccessfulParsedTsconfig(value) { + return !!value.options; + } + /** + * This *just* extracts options/include/exclude/files out of a config file. + * It does *not* resolve the included files. + */ + function parseConfig(json, sourceFile, host, basePath, configFileName, resolutionStack, errors, extendedConfigCache) { + var _a; + basePath = ts.normalizeSlashes(basePath); + var resolvedPath = ts.getNormalizedAbsolutePath(configFileName || "", basePath); + if (resolutionStack.indexOf(resolvedPath) >= 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, __spreadArray(__spreadArray([], resolutionStack, true), [resolvedPath], false).join(" -> "))); + return { raw: json || convertToObject(sourceFile, errors) }; + } + var ownConfig = json ? + parseOwnConfigOfJson(json, host, basePath, configFileName, errors) : + parseOwnConfigOfJsonSourceFile(sourceFile, host, basePath, configFileName, errors); + if ((_a = ownConfig.options) === null || _a === void 0 ? void 0 : _a.paths) { + // If we end up needing to resolve relative paths from 'paths' relative to + // the config file location, we'll need to know where that config file was. + // Since 'paths' can be inherited from an extended config in another directory, + // we wouldn't know which directory to use unless we store it here. + ownConfig.options.pathsBasePath = basePath; + } + if (ownConfig.extendedConfigPath) { + // copy the resolution stack so it is never reused between branches in potential diamond-problem scenarios. + resolutionStack = resolutionStack.concat([resolvedPath]); + var extendedConfig = getExtendedConfig(sourceFile, ownConfig.extendedConfigPath, host, resolutionStack, errors, extendedConfigCache); + if (extendedConfig && isSuccessfulParsedTsconfig(extendedConfig)) { + var baseRaw_1 = extendedConfig.raw; + var raw_1 = ownConfig.raw; + var relativeDifference_1; + var setPropertyInRawIfNotUndefined = function (propertyName) { + if (!raw_1[propertyName] && baseRaw_1[propertyName]) { + raw_1[propertyName] = ts.map(baseRaw_1[propertyName], function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference_1 || (relativeDifference_1 = ts.convertToRelativePath(ts.getDirectoryPath(ownConfig.extendedConfigPath), basePath, ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames))), path); }); + } + }; + setPropertyInRawIfNotUndefined("include"); + setPropertyInRawIfNotUndefined("exclude"); + setPropertyInRawIfNotUndefined("files"); + if (raw_1.compileOnSave === undefined) { + raw_1.compileOnSave = baseRaw_1.compileOnSave; + } + ownConfig.options = ts.assign({}, extendedConfig.options, ownConfig.options); + ownConfig.watchOptions = ownConfig.watchOptions && extendedConfig.watchOptions ? + ts.assign({}, extendedConfig.watchOptions, ownConfig.watchOptions) : + ownConfig.watchOptions || extendedConfig.watchOptions; + // TODO extend type typeAcquisition + } + } + return ownConfig; + } + function parseOwnConfigOfJson(json, host, basePath, configFileName, errors) { + if (ts.hasProperty(json, "excludes")) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude)); + } + var options = convertCompilerOptionsFromJsonWorker(json.compilerOptions, basePath, errors, configFileName); + // typingOptions has been deprecated and is only supported for backward compatibility purposes. + // It should be removed in future releases - use typeAcquisition instead. + var typeAcquisition = convertTypeAcquisitionFromJsonWorker(json.typeAcquisition || json.typingOptions, basePath, errors, configFileName); + var watchOptions = convertWatchOptionsFromJsonWorker(json.watchOptions, basePath, errors); + json.compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors); + var extendedConfigPath; + if (json.extends) { + if (!ts.isString(json.extends)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string")); + } + else { + var newBase = configFileName ? directoryOfCombinedPath(configFileName, basePath) : basePath; + extendedConfigPath = getExtendsConfigPath(json.extends, host, newBase, errors, ts.createCompilerDiagnostic); + } + } + return { raw: json, options: options, watchOptions: watchOptions, typeAcquisition: typeAcquisition, extendedConfigPath: extendedConfigPath }; + } + function parseOwnConfigOfJsonSourceFile(sourceFile, host, basePath, configFileName, errors) { + var options = getDefaultCompilerOptions(configFileName); + var typeAcquisition, typingOptionstypeAcquisition; + var watchOptions; + var extendedConfigPath; + var rootCompilerOptions; + var optionsIterator = { + onSetValidOptionKeyValueInParent: function (parentOption, option, value) { + var currentOption; + switch (parentOption) { + case "compilerOptions": + currentOption = options; + break; + case "watchOptions": + currentOption = (watchOptions || (watchOptions = {})); + break; + case "typeAcquisition": + currentOption = (typeAcquisition || (typeAcquisition = getDefaultTypeAcquisition(configFileName))); + break; + case "typingOptions": + currentOption = (typingOptionstypeAcquisition || (typingOptionstypeAcquisition = getDefaultTypeAcquisition(configFileName))); + break; + default: + ts.Debug.fail("Unknown option"); + } + currentOption[option.name] = normalizeOptionValue(option, basePath, value); + }, + onSetValidOptionKeyValueInRoot: function (key, _keyNode, value, valueNode) { + switch (key) { + case "extends": + var newBase = configFileName ? directoryOfCombinedPath(configFileName, basePath) : basePath; + extendedConfigPath = getExtendsConfigPath(value, host, newBase, errors, function (message, arg0) { + return ts.createDiagnosticForNodeInSourceFile(sourceFile, valueNode, message, arg0); + }); + return; + } + }, + onSetUnknownOptionKeyValueInRoot: function (key, keyNode, _value, _valueNode) { + if (key === "excludes") { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, keyNode, ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude)); + } + if (ts.find(commandOptionsWithoutBuild, function (opt) { return opt.name === key; })) { + rootCompilerOptions = ts.append(rootCompilerOptions, keyNode); + } + } + }; + var json = convertConfigFileToObject(sourceFile, errors, /*reportOptionsErrors*/ true, optionsIterator); + if (!typeAcquisition) { + if (typingOptionstypeAcquisition) { + typeAcquisition = (typingOptionstypeAcquisition.enableAutoDiscovery !== undefined) ? + { + enable: typingOptionstypeAcquisition.enableAutoDiscovery, + include: typingOptionstypeAcquisition.include, + exclude: typingOptionstypeAcquisition.exclude + } : + typingOptionstypeAcquisition; + } + else { + typeAcquisition = getDefaultTypeAcquisition(configFileName); + } + } + if (rootCompilerOptions && json && json.compilerOptions === undefined) { + errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, rootCompilerOptions[0], ts.Diagnostics._0_should_be_set_inside_the_compilerOptions_object_of_the_config_json_file, ts.getTextOfPropertyName(rootCompilerOptions[0]))); + } + return { raw: json, options: options, watchOptions: watchOptions, typeAcquisition: typeAcquisition, extendedConfigPath: extendedConfigPath }; + } + function getExtendsConfigPath(extendedConfig, host, basePath, errors, createDiagnostic) { + extendedConfig = ts.normalizeSlashes(extendedConfig); + if (ts.isRootedDiskPath(extendedConfig) || ts.startsWith(extendedConfig, "./") || ts.startsWith(extendedConfig, "../")) { + var extendedConfigPath = ts.getNormalizedAbsolutePath(extendedConfig, basePath); + if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json" /* Extension.Json */)) { + extendedConfigPath = "".concat(extendedConfigPath, ".json"); + if (!host.fileExists(extendedConfigPath)) { + errors.push(createDiagnostic(ts.Diagnostics.File_0_not_found, extendedConfig)); + return undefined; + } + } + return extendedConfigPath; + } + // If the path isn't a rooted or relative path, resolve like a module + var resolved = ts.nodeModuleNameResolver(extendedConfig, ts.combinePaths(basePath, "tsconfig.json"), { moduleResolution: ts.ModuleResolutionKind.NodeJs }, host, /*cache*/ undefined, /*projectRefs*/ undefined, /*lookupConfig*/ true); + if (resolved.resolvedModule) { + return resolved.resolvedModule.resolvedFileName; + } + errors.push(createDiagnostic(ts.Diagnostics.File_0_not_found, extendedConfig)); + return undefined; + } + function getExtendedConfig(sourceFile, extendedConfigPath, host, resolutionStack, errors, extendedConfigCache) { + var _a; + var path = host.useCaseSensitiveFileNames ? extendedConfigPath : ts.toFileNameLowerCase(extendedConfigPath); + var value; + var extendedResult; + var extendedConfig; + if (extendedConfigCache && (value = extendedConfigCache.get(path))) { + (extendedResult = value.extendedResult, extendedConfig = value.extendedConfig); + } + else { + extendedResult = readJsonConfigFile(extendedConfigPath, function (path) { return host.readFile(path); }); + if (!extendedResult.parseDiagnostics.length) { + extendedConfig = parseConfig(/*json*/ undefined, extendedResult, host, ts.getDirectoryPath(extendedConfigPath), ts.getBaseFileName(extendedConfigPath), resolutionStack, errors, extendedConfigCache); + } + if (extendedConfigCache) { + extendedConfigCache.set(path, { extendedResult: extendedResult, extendedConfig: extendedConfig }); + } + } + if (sourceFile) { + sourceFile.extendedSourceFiles = [extendedResult.fileName]; + if (extendedResult.extendedSourceFiles) { + (_a = sourceFile.extendedSourceFiles).push.apply(_a, extendedResult.extendedSourceFiles); + } + } + if (extendedResult.parseDiagnostics.length) { + errors.push.apply(errors, extendedResult.parseDiagnostics); + return undefined; + } + return extendedConfig; + } + function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) { + if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) { + return false; + } + var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption.compileOnSave, basePath, errors); + return typeof result === "boolean" && result; + } + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var errors = []; + var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); + return { options: options, errors: errors }; + } + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; + function convertTypeAcquisitionFromJson(jsonOptions, basePath, configFileName) { + var errors = []; + var options = convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName); + return { options: options, errors: errors }; + } + ts.convertTypeAcquisitionFromJson = convertTypeAcquisitionFromJson; + function getDefaultCompilerOptions(configFileName) { + var options = configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json" + ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true, noEmit: true } + : {}; + return options; + } + function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { + var options = getDefaultCompilerOptions(configFileName); + convertOptionsFromJson(getCommandLineCompilerOptionsMap(), jsonOptions, basePath, options, ts.compilerOptionsDidYouMeanDiagnostics, errors); + if (configFileName) { + options.configFilePath = ts.normalizeSlashes(configFileName); + } + return options; + } + function getDefaultTypeAcquisition(configFileName) { + return { enable: !!configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json", include: [], exclude: [] }; + } + function convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName) { + var options = getDefaultTypeAcquisition(configFileName); + var typeAcquisition = convertEnableAutoDiscoveryToEnable(jsonOptions); + convertOptionsFromJson(getCommandLineTypeAcquisitionMap(), typeAcquisition, basePath, options, typeAcquisitionDidYouMeanDiagnostics, errors); + return options; + } + function convertWatchOptionsFromJsonWorker(jsonOptions, basePath, errors) { + return convertOptionsFromJson(getCommandLineWatchOptionsMap(), jsonOptions, basePath, /*defaultOptions*/ undefined, watchOptionsDidYouMeanDiagnostics, errors); + } + function convertOptionsFromJson(optionsNameMap, jsonOptions, basePath, defaultOptions, diagnostics, errors) { + if (!jsonOptions) { + return; + } + for (var id in jsonOptions) { + var opt = optionsNameMap.get(id); + if (opt) { + (defaultOptions || (defaultOptions = {}))[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors); + } + else { + errors.push(createUnknownOptionError(id, diagnostics, ts.createCompilerDiagnostic)); + } + } + return defaultOptions; + } + /*@internal*/ + function convertJsonOption(opt, value, basePath, errors) { + if (isCompilerOptionsValue(opt, value)) { + var optType = opt.type; + if (optType === "list" && ts.isArray(value)) { + return convertJsonOptionOfListType(opt, value, basePath, errors); + } + else if (!ts.isString(optType)) { + return convertJsonOptionOfCustomType(opt, value, errors); + } + var validatedValue = validateJsonOptionValue(opt, value, errors); + return isNullOrUndefined(validatedValue) ? validatedValue : normalizeNonListOptionValue(opt, basePath, validatedValue); + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, getCompilerOptionValueTypeString(opt))); + } + } + ts.convertJsonOption = convertJsonOption; + function normalizeOptionValue(option, basePath, value) { + if (isNullOrUndefined(value)) + return undefined; + if (option.type === "list") { + var listOption_1 = option; + if (listOption_1.element.isFilePath || !ts.isString(listOption_1.element.type)) { + return ts.filter(ts.map(value, function (v) { return normalizeOptionValue(listOption_1.element, basePath, v); }), function (v) { return listOption_1.listPreserveFalsyValues ? true : !!v; }); + } + return value; + } + else if (!ts.isString(option.type)) { + return option.type.get(ts.isString(value) ? value.toLowerCase() : value); + } + return normalizeNonListOptionValue(option, basePath, value); + } + function normalizeNonListOptionValue(option, basePath, value) { + if (option.isFilePath) { + value = ts.getNormalizedAbsolutePath(value, basePath); + if (value === "") { + value = "."; + } + } + return value; + } + function validateJsonOptionValue(opt, value, errors) { + var _a; + if (isNullOrUndefined(value)) + return undefined; + var d = (_a = opt.extraValidation) === null || _a === void 0 ? void 0 : _a.call(opt, value); + if (!d) + return value; + errors.push(ts.createCompilerDiagnostic.apply(void 0, d)); + return undefined; + } + function convertJsonOptionOfCustomType(opt, value, errors) { + if (isNullOrUndefined(value)) + return undefined; + var key = value.toLowerCase(); + var val = opt.type.get(key); + if (val !== undefined) { + return validateJsonOptionValue(opt, val, errors); + } + else { + errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); + } + } + function convertJsonOptionOfListType(option, values, basePath, errors) { + return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return option.listPreserveFalsyValues ? true : !!v; }); + } + /** + * Tests for a path that ends in a recursive directory wildcard. + * Matches **, \**, **\, and \**\, but not a**b. + * + * NOTE: used \ in place of / above to avoid issues with multiline comments. + * + * Breakdown: + * (^|\/) # matches either the beginning of the string or a directory separator. + * \*\* # matches the recursive directory wildcard "**". + * \/?$ # matches an optional trailing directory separator at the end of the string. + */ + var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/; + /** + * Matches the portion of a wildcard path that does not contain wildcards. + * Matches \a of \a\*, or \a\b\c of \a\b\c\?\d. + * + * NOTE: used \ in place of / above to avoid issues with multiline comments. + * + * Breakdown: + * ^ # matches the beginning of the string + * [^*?]* # matches any number of non-wildcard characters + * (?=\/[^/]*[*?]) # lookahead that matches a directory separator followed by + * # a path component that contains at least one wildcard character (* or ?). + */ + var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/; + /** + * Gets the file names from the provided config file specs that contain, files, include, exclude and + * other properties needed to resolve the file names + * @param configFileSpecs The config file specs extracted with file names to include, wildcards to include/exclude and other details + * @param basePath The base path for any relative file specifications. + * @param options Compiler options. + * @param host The host used to resolve files and directories. + * @param extraFileExtensions optionaly file extra file extension information from host + */ + /* @internal */ + function getFileNamesFromConfigSpecs(configFileSpecs, basePath, options, host, extraFileExtensions) { + if (extraFileExtensions === void 0) { extraFileExtensions = ts.emptyArray; } + basePath = ts.normalizePath(basePath); + var keyMapper = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); + // Literal file names (provided via the "files" array in tsconfig.json) are stored in a + // file map with a possibly case insensitive key. We use this map later when when including + // wildcard paths. + var literalFileMap = new ts.Map(); + // Wildcard paths (provided via the "includes" array in tsconfig.json) are stored in a + // file map with a possibly case insensitive key. We use this map to store paths matched + // via wildcard, and to handle extension priority. + var wildcardFileMap = new ts.Map(); + // Wildcard paths of json files (provided via the "includes" array in tsconfig.json) are stored in a + // file map with a possibly case insensitive key. We use this map to store paths matched + // via wildcard of *.json kind + var wildCardJsonFileMap = new ts.Map(); + var validatedFilesSpec = configFileSpecs.validatedFilesSpec, validatedIncludeSpecs = configFileSpecs.validatedIncludeSpecs, validatedExcludeSpecs = configFileSpecs.validatedExcludeSpecs; + // Rather than re-query this for each file and filespec, we query the supported extensions + // once and store it on the expansion context. + var supportedExtensions = ts.getSupportedExtensions(options, extraFileExtensions); + var supportedExtensionsWithJsonIfResolveJsonModule = ts.getSupportedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions); + // Literal files are always included verbatim. An "include" or "exclude" specification cannot + // remove a literal file. + if (validatedFilesSpec) { + for (var _i = 0, validatedFilesSpec_1 = validatedFilesSpec; _i < validatedFilesSpec_1.length; _i++) { + var fileName = validatedFilesSpec_1[_i]; + var file = ts.getNormalizedAbsolutePath(fileName, basePath); + literalFileMap.set(keyMapper(file), file); + } + } + var jsonOnlyIncludeRegexes; + if (validatedIncludeSpecs && validatedIncludeSpecs.length > 0) { + var _loop_6 = function (file) { + if (ts.fileExtensionIs(file, ".json" /* Extension.Json */)) { + // Valid only if *.json specified + if (!jsonOnlyIncludeRegexes) { + var includes = validatedIncludeSpecs.filter(function (s) { return ts.endsWith(s, ".json" /* Extension.Json */); }); + var includeFilePatterns = ts.map(ts.getRegularExpressionsForWildcards(includes, basePath, "files"), function (pattern) { return "^".concat(pattern, "$"); }); + jsonOnlyIncludeRegexes = includeFilePatterns ? includeFilePatterns.map(function (pattern) { return ts.getRegexFromPattern(pattern, host.useCaseSensitiveFileNames); }) : ts.emptyArray; + } + var includeIndex = ts.findIndex(jsonOnlyIncludeRegexes, function (re) { return re.test(file); }); + if (includeIndex !== -1) { + var key_1 = keyMapper(file); + if (!literalFileMap.has(key_1) && !wildCardJsonFileMap.has(key_1)) { + wildCardJsonFileMap.set(key_1, file); + } + } + return "continue"; + } + // If we have already included a literal or wildcard path with a + // higher priority extension, we should skip this file. + // + // This handles cases where we may encounter both .ts and + // .d.ts (or .js if "allowJs" is enabled) in the same + // directory when they are compilation outputs. + if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) { + return "continue"; + } + // We may have included a wildcard path with a lower priority + // extension due to the user-defined order of entries in the + // "include" array. If there is a lower priority extension in the + // same directory, we should remove it. + removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper); + var key = keyMapper(file); + if (!literalFileMap.has(key) && !wildcardFileMap.has(key)) { + wildcardFileMap.set(key, file); + } + }; + for (var _a = 0, _b = host.readDirectory(basePath, ts.flatten(supportedExtensionsWithJsonIfResolveJsonModule), validatedExcludeSpecs, validatedIncludeSpecs, /*depth*/ undefined); _a < _b.length; _a++) { + var file = _b[_a]; + _loop_6(file); + } + } + var literalFiles = ts.arrayFrom(literalFileMap.values()); + var wildcardFiles = ts.arrayFrom(wildcardFileMap.values()); + return literalFiles.concat(wildcardFiles, ts.arrayFrom(wildCardJsonFileMap.values())); + } + ts.getFileNamesFromConfigSpecs = getFileNamesFromConfigSpecs; + /* @internal */ + function isExcludedFile(pathToCheck, spec, basePath, useCaseSensitiveFileNames, currentDirectory) { + var validatedFilesSpec = spec.validatedFilesSpec, validatedIncludeSpecs = spec.validatedIncludeSpecs, validatedExcludeSpecs = spec.validatedExcludeSpecs; + if (!ts.length(validatedIncludeSpecs) || !ts.length(validatedExcludeSpecs)) + return false; + basePath = ts.normalizePath(basePath); + var keyMapper = ts.createGetCanonicalFileName(useCaseSensitiveFileNames); + if (validatedFilesSpec) { + for (var _i = 0, validatedFilesSpec_2 = validatedFilesSpec; _i < validatedFilesSpec_2.length; _i++) { + var fileName = validatedFilesSpec_2[_i]; + if (keyMapper(ts.getNormalizedAbsolutePath(fileName, basePath)) === pathToCheck) + return false; + } + } + return matchesExcludeWorker(pathToCheck, validatedExcludeSpecs, useCaseSensitiveFileNames, currentDirectory, basePath); + } + ts.isExcludedFile = isExcludedFile; + function invalidDotDotAfterRecursiveWildcard(s) { + // We used to use the regex /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/ to check for this case, but + // in v8, that has polynomial performance because the recursive wildcard match - **/ - + // can be matched in many arbitrary positions when multiple are present, resulting + // in bad backtracking (and we don't care which is matched - just that some /.. segment + // comes after some **/ segment). + var wildcardIndex = ts.startsWith(s, "**/") ? 0 : s.indexOf("/**/"); + if (wildcardIndex === -1) { + return false; + } + var lastDotIndex = ts.endsWith(s, "/..") ? s.length : s.lastIndexOf("/../"); + return lastDotIndex > wildcardIndex; + } + /* @internal */ + function matchesExclude(pathToCheck, excludeSpecs, useCaseSensitiveFileNames, currentDirectory) { + return matchesExcludeWorker(pathToCheck, ts.filter(excludeSpecs, function (spec) { return !invalidDotDotAfterRecursiveWildcard(spec); }), useCaseSensitiveFileNames, currentDirectory); + } + ts.matchesExclude = matchesExclude; + function matchesExcludeWorker(pathToCheck, excludeSpecs, useCaseSensitiveFileNames, currentDirectory, basePath) { + var excludePattern = ts.getRegularExpressionForWildcard(excludeSpecs, ts.combinePaths(ts.normalizePath(currentDirectory), basePath), "exclude"); + var excludeRegex = excludePattern && ts.getRegexFromPattern(excludePattern, useCaseSensitiveFileNames); + if (!excludeRegex) + return false; + if (excludeRegex.test(pathToCheck)) + return true; + return !ts.hasExtension(pathToCheck) && excludeRegex.test(ts.ensureTrailingDirectorySeparator(pathToCheck)); + } + function validateSpecs(specs, errors, disallowTrailingRecursion, jsonSourceFile, specKey) { + return specs.filter(function (spec) { + if (!ts.isString(spec)) + return false; + var diag = specToDiagnostic(spec, disallowTrailingRecursion); + if (diag !== undefined) { + errors.push(createDiagnostic.apply(void 0, diag)); + } + return diag === undefined; + }); + function createDiagnostic(message, spec) { + var element = ts.getTsConfigPropArrayElementValue(jsonSourceFile, specKey, spec); + return element ? + ts.createDiagnosticForNodeInSourceFile(jsonSourceFile, element, message, spec) : + ts.createCompilerDiagnostic(message, spec); + } + } + function specToDiagnostic(spec, disallowTrailingRecursion) { + if (disallowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) { + return [ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec]; + } + else if (invalidDotDotAfterRecursiveWildcard(spec)) { + return [ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec]; + } + } + /** + * Gets directories in a set of include patterns that should be watched for changes. + */ + function getWildcardDirectories(_a, path, useCaseSensitiveFileNames) { + var include = _a.validatedIncludeSpecs, exclude = _a.validatedExcludeSpecs; + // We watch a directory recursively if it contains a wildcard anywhere in a directory segment + // of the pattern: + // + // /a/b/**/d - Watch /a/b recursively to catch changes to any d in any subfolder recursively + // /a/b/*/d - Watch /a/b recursively to catch any d in any immediate subfolder, even if a new subfolder is added + // /a/b - Watch /a/b recursively to catch changes to anything in any recursive subfoler + // + // We watch a directory without recursion if it contains a wildcard in the file segment of + // the pattern: + // + // /a/b/* - Watch /a/b directly to catch any new file + // /a/b/a?z - Watch /a/b directly to catch any new file matching a?z + var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude"); + var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i"); + var wildcardDirectories = {}; + if (include !== undefined) { + var recursiveKeys = []; + for (var _i = 0, include_1 = include; _i < include_1.length; _i++) { + var file = include_1[_i]; + var spec = ts.normalizePath(ts.combinePaths(path, file)); + if (excludeRegex && excludeRegex.test(spec)) { + continue; + } + var match = getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames); + if (match) { + var key = match.key, flags = match.flags; + var existingFlags = wildcardDirectories[key]; + if (existingFlags === undefined || existingFlags < flags) { + wildcardDirectories[key] = flags; + if (flags === 1 /* WatchDirectoryFlags.Recursive */) { + recursiveKeys.push(key); + } + } + } + } + // Remove any subpaths under an existing recursively watched directory. + for (var key in wildcardDirectories) { + if (ts.hasProperty(wildcardDirectories, key)) { + for (var _b = 0, recursiveKeys_1 = recursiveKeys; _b < recursiveKeys_1.length; _b++) { + var recursiveKey = recursiveKeys_1[_b]; + if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) { + delete wildcardDirectories[key]; + } + } + } + } + } + return wildcardDirectories; + } + function getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames) { + var match = wildcardDirectoryPattern.exec(spec); + if (match) { + // We check this with a few `indexOf` calls because 3 `indexOf`/`lastIndexOf` calls is + // less algorithmically complex (roughly O(3n) worst-case) than the regex we used to use, + // \/[^/]*?[*?][^/]*\/ which was polynominal in v8, since arbitrary sequences of wildcard + // characters could match any of the central patterns, resulting in bad backtracking. + var questionWildcardIndex = spec.indexOf("?"); + var starWildcardIndex = spec.indexOf("*"); + var lastDirectorySeperatorIndex = spec.lastIndexOf(ts.directorySeparator); + return { + key: useCaseSensitiveFileNames ? match[0] : ts.toFileNameLowerCase(match[0]), + flags: (questionWildcardIndex !== -1 && questionWildcardIndex < lastDirectorySeperatorIndex) + || (starWildcardIndex !== -1 && starWildcardIndex < lastDirectorySeperatorIndex) + ? 1 /* WatchDirectoryFlags.Recursive */ : 0 /* WatchDirectoryFlags.None */ + }; + } + if (ts.isImplicitGlob(spec.substring(spec.lastIndexOf(ts.directorySeparator) + 1))) { + return { + key: ts.removeTrailingDirectorySeparator(useCaseSensitiveFileNames ? spec : ts.toFileNameLowerCase(spec)), + flags: 1 /* WatchDirectoryFlags.Recursive */ + }; + } + return undefined; + } + /** + * Determines whether a literal or wildcard file has already been included that has a higher + * extension priority. + * + * @param file The path to the file. + */ + function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) { + var extensionGroup = ts.forEach(extensions, function (group) { return ts.fileExtensionIsOneOf(file, group) ? group : undefined; }); + if (!extensionGroup) { + return false; + } + for (var _i = 0, extensionGroup_1 = extensionGroup; _i < extensionGroup_1.length; _i++) { + var ext = extensionGroup_1[_i]; + if (ts.fileExtensionIs(file, ext)) { + return false; + } + var higherPriorityPath = keyMapper(ts.changeExtension(file, ext)); + if (literalFiles.has(higherPriorityPath) || wildcardFiles.has(higherPriorityPath)) { + if (ext === ".d.ts" /* Extension.Dts */ && (ts.fileExtensionIs(file, ".js" /* Extension.Js */) || ts.fileExtensionIs(file, ".jsx" /* Extension.Jsx */))) { + // LEGACY BEHAVIOR: An off-by-one bug somewhere in the extension priority system for wildcard module loading allowed declaration + // files to be loaded alongside their js(x) counterparts. We regard this as generally undesirable, but retain the behavior to + // prevent breakage. + continue; + } + return true; + } + } + return false; + } + /** + * Removes files included via wildcard expansion with a lower extension priority that have + * already been included. + * + * @param file The path to the file. + */ + function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) { + var extensionGroup = ts.forEach(extensions, function (group) { return ts.fileExtensionIsOneOf(file, group) ? group : undefined; }); + if (!extensionGroup) { + return; + } + for (var i = extensionGroup.length - 1; i >= 0; i--) { + var ext = extensionGroup[i]; + if (ts.fileExtensionIs(file, ext)) { + return; + } + var lowerPriorityPath = keyMapper(ts.changeExtension(file, ext)); + wildcardFiles.delete(lowerPriorityPath); + } + } + /** + * Produces a cleaned version of compiler options with personally identifying info (aka, paths) removed. + * Also converts enum values back to strings. + */ + /* @internal */ + function convertCompilerOptionsForTelemetry(opts) { + var out = {}; + for (var key in opts) { + if (opts.hasOwnProperty(key)) { + var type = getOptionFromName(key); + if (type !== undefined) { // Ignore unknown options + out[key] = getOptionValueWithEmptyStrings(opts[key], type); + } + } + } + return out; + } + ts.convertCompilerOptionsForTelemetry = convertCompilerOptionsForTelemetry; + function getOptionValueWithEmptyStrings(value, option) { + switch (option.type) { + case "object": // "paths". Can't get any useful information from the value since we blank out strings, so just return "". + return ""; + case "string": // Could be any arbitrary string -- use empty string instead. + return ""; + case "number": // Allow numbers, but be sure to check it's actually a number. + return typeof value === "number" ? value : ""; + case "boolean": + return typeof value === "boolean" ? value : ""; + case "list": + var elementType_1 = option.element; + return ts.isArray(value) ? value.map(function (v) { return getOptionValueWithEmptyStrings(v, elementType_1); }) : ""; + default: + return ts.forEachEntry(option.type, function (optionEnumValue, optionStringValue) { + if (optionEnumValue === value) { + return optionStringValue; + } + }); // TODO: GH#18217 + } + } + function getDefaultValueForOption(option) { + switch (option.type) { + case "number": + return 1; + case "boolean": + return true; + case "string": + var defaultValue = option.defaultValueDescription; + return option.isFilePath ? "./".concat(defaultValue && typeof defaultValue === "string" ? defaultValue : "") : ""; + case "list": + return []; + case "object": + return {}; + default: + var iterResult = option.type.keys().next(); + if (!iterResult.done) + return iterResult.value; + return ts.Debug.fail("Expected 'option.type' to have entries."); + } + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function trace(host) { + host.trace(ts.formatMessage.apply(undefined, arguments)); + } + ts.trace = trace; + /* @internal */ + function isTraceEnabled(compilerOptions, host) { + return !!compilerOptions.traceResolution && host.trace !== undefined; + } + ts.isTraceEnabled = isTraceEnabled; + function withPackageId(packageInfo, r) { + var packageId; + if (r && packageInfo) { + var packageJsonContent = packageInfo.packageJsonContent; + if (typeof packageJsonContent.name === "string" && typeof packageJsonContent.version === "string") { + packageId = { + name: packageJsonContent.name, + subModuleName: r.path.slice(packageInfo.packageDirectory.length + ts.directorySeparator.length), + version: packageJsonContent.version + }; + } + } + return r && { path: r.path, extension: r.ext, packageId: packageId }; + } + function noPackageId(r) { + return withPackageId(/*packageInfo*/ undefined, r); + } + function removeIgnoredPackageId(r) { + if (r) { + ts.Debug.assert(r.packageId === undefined); + return { path: r.path, ext: r.extension }; + } + } + /** + * Kinds of file that we are currently looking for. + * Typically there is one pass with Extensions.TypeScript, then a second pass with Extensions.JavaScript. + */ + var Extensions; + (function (Extensions) { + Extensions[Extensions["TypeScript"] = 0] = "TypeScript"; + Extensions[Extensions["JavaScript"] = 1] = "JavaScript"; + Extensions[Extensions["Json"] = 2] = "Json"; + Extensions[Extensions["TSConfig"] = 3] = "TSConfig"; + Extensions[Extensions["DtsOnly"] = 4] = "DtsOnly"; + Extensions[Extensions["TsOnly"] = 5] = "TsOnly"; + })(Extensions || (Extensions = {})); + /** Used with `Extensions.DtsOnly` to extract the path from TypeScript results. */ + function resolvedTypeScriptOnly(resolved) { + if (!resolved) { + return undefined; + } + ts.Debug.assert(ts.extensionIsTS(resolved.extension)); + return { fileName: resolved.path, packageId: resolved.packageId }; + } + function createResolvedModuleWithFailedLookupLocations(resolved, isExternalLibraryImport, failedLookupLocations, diagnostics, resultFromCache) { + var _a; + if (resultFromCache) { + (_a = resultFromCache.failedLookupLocations).push.apply(_a, failedLookupLocations); + return resultFromCache; + } + return { + resolvedModule: resolved && { resolvedFileName: resolved.path, originalPath: resolved.originalPath === true ? undefined : resolved.originalPath, extension: resolved.extension, isExternalLibraryImport: isExternalLibraryImport, packageId: resolved.packageId }, + failedLookupLocations: failedLookupLocations, + resolutionDiagnostics: diagnostics + }; + } + function readPackageJsonField(jsonContent, fieldName, typeOfTag, state) { + if (!ts.hasProperty(jsonContent, fieldName)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_does_not_have_a_0_field, fieldName); + } + return; + } + var value = jsonContent[fieldName]; + if (typeof value !== typeOfTag || value === null) { // eslint-disable-line no-null/no-null + if (state.traceEnabled) { + // eslint-disable-next-line no-null/no-null + trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_1_got_2, fieldName, typeOfTag, value === null ? "null" : typeof value); + } + return; + } + return value; + } + function readPackageJsonPathField(jsonContent, fieldName, baseDirectory, state) { + var fileName = readPackageJsonField(jsonContent, fieldName, "string", state); + if (fileName === undefined) { + return; + } + if (!fileName) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_had_a_falsy_0_field, fieldName); + } + return; + } + var path = ts.normalizePath(ts.combinePaths(baseDirectory, fileName)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, fileName, path); + } + return path; + } + function readPackageJsonTypesFields(jsonContent, baseDirectory, state) { + return readPackageJsonPathField(jsonContent, "typings", baseDirectory, state) + || readPackageJsonPathField(jsonContent, "types", baseDirectory, state); + } + function readPackageJsonTSConfigField(jsonContent, baseDirectory, state) { + return readPackageJsonPathField(jsonContent, "tsconfig", baseDirectory, state); + } + function readPackageJsonMainField(jsonContent, baseDirectory, state) { + return readPackageJsonPathField(jsonContent, "main", baseDirectory, state); + } + function readPackageJsonTypesVersionsField(jsonContent, state) { + var typesVersions = readPackageJsonField(jsonContent, "typesVersions", "object", state); + if (typesVersions === undefined) + return; + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_field_with_version_specific_path_mappings); + } + return typesVersions; + } + function readPackageJsonTypesVersionPaths(jsonContent, state) { + var typesVersions = readPackageJsonTypesVersionsField(jsonContent, state); + if (typesVersions === undefined) + return; + if (state.traceEnabled) { + for (var key in typesVersions) { + if (ts.hasProperty(typesVersions, key) && !ts.VersionRange.tryParse(key)) { + trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_entry_0_that_is_not_a_valid_semver_range, key); + } + } + } + var result = getPackageJsonTypesVersionsPaths(typesVersions); + if (!result) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_does_not_have_a_typesVersions_entry_that_matches_version_0, ts.versionMajorMinor); + } + return; + } + var bestVersionKey = result.version, bestVersionPaths = result.paths; + if (typeof bestVersionPaths !== "object") { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_1_got_2, "typesVersions['".concat(bestVersionKey, "']"), "object", typeof bestVersionPaths); + } + return; + } + return result; + } + var typeScriptVersion; + /* @internal */ + function getPackageJsonTypesVersionsPaths(typesVersions) { + if (!typeScriptVersion) + typeScriptVersion = new ts.Version(ts.version); + for (var key in typesVersions) { + if (!ts.hasProperty(typesVersions, key)) + continue; + var keyRange = ts.VersionRange.tryParse(key); + if (keyRange === undefined) { + continue; + } + // return the first entry whose range matches the current compiler version. + if (keyRange.test(typeScriptVersion)) { + return { version: key, paths: typesVersions[key] }; + } + } + } + ts.getPackageJsonTypesVersionsPaths = getPackageJsonTypesVersionsPaths; + function getEffectiveTypeRoots(options, host) { + if (options.typeRoots) { + return options.typeRoots; + } + var currentDirectory; + if (options.configFilePath) { + currentDirectory = ts.getDirectoryPath(options.configFilePath); + } + else if (host.getCurrentDirectory) { + currentDirectory = host.getCurrentDirectory(); + } + if (currentDirectory !== undefined) { + return getDefaultTypeRoots(currentDirectory, host); + } + } + ts.getEffectiveTypeRoots = getEffectiveTypeRoots; + /** + * Returns the path to every node_modules/@types directory from some ancestor directory. + * Returns undefined if there are none. + */ + function getDefaultTypeRoots(currentDirectory, host) { + if (!host.directoryExists) { + return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)]; + // And if it doesn't exist, tough. + } + var typeRoots; + ts.forEachAncestorDirectory(ts.normalizePath(currentDirectory), function (directory) { + var atTypes = ts.combinePaths(directory, nodeModulesAtTypes); + if (host.directoryExists(atTypes)) { + (typeRoots || (typeRoots = [])).push(atTypes); + } + return undefined; + }); + return typeRoots; + } + var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types"); + function arePathsEqual(path1, path2, host) { + var useCaseSensitiveFileNames = typeof host.useCaseSensitiveFileNames === "function" ? host.useCaseSensitiveFileNames() : host.useCaseSensitiveFileNames; + return ts.comparePaths(path1, path2, !useCaseSensitiveFileNames) === 0 /* Comparison.EqualTo */; + } + /** + * @param {string | undefined} containingFile - file that contains type reference directive, can be undefined if containing file is unknown. + * This is possible in case if resolution is performed for directives specified via 'types' parameter. In this case initial path for secondary lookups + * is assumed to be the same as root directory of the project. + */ + function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host, redirectedReference, cache, resolutionMode) { + ts.Debug.assert(typeof typeReferenceDirectiveName === "string", "Non-string value passed to `ts.resolveTypeReferenceDirective`, likely by a wrapping package working with an outdated `resolveTypeReferenceDirectives` signature. This is probably not a problem in TS itself."); + var traceEnabled = isTraceEnabled(options, host); + if (redirectedReference) { + options = redirectedReference.commandLine.options; + } + var containingDirectory = containingFile ? ts.getDirectoryPath(containingFile) : undefined; + var perFolderCache = containingDirectory ? cache && cache.getOrCreateCacheForDirectory(containingDirectory, redirectedReference) : undefined; + var result = perFolderCache && perFolderCache.get(typeReferenceDirectiveName, /*mode*/ resolutionMode); + if (result) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1, typeReferenceDirectiveName, containingFile); + if (redirectedReference) + trace(host, ts.Diagnostics.Using_compiler_options_of_project_reference_redirect_0, redirectedReference.sourceFile.fileName); + trace(host, ts.Diagnostics.Resolution_for_type_reference_directive_0_was_found_in_cache_from_location_1, typeReferenceDirectiveName, containingDirectory); + traceResult(result); + } + return result; + } + var typeRoots = getEffectiveTypeRoots(options, host); + if (traceEnabled) { + if (containingFile === undefined) { + if (typeRoots === undefined) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName); + } + else { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots); + } + } + else { + if (typeRoots === undefined) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile); + } + else { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots); + } + } + if (redirectedReference) { + trace(host, ts.Diagnostics.Using_compiler_options_of_project_reference_redirect_0, redirectedReference.sourceFile.fileName); + } + } + var failedLookupLocations = []; + var features = getDefaultNodeResolutionFeatures(options); + // Unlike `import` statements, whose mode-calculating APIs are all guaranteed to return `undefined` if we're in an un-mode-ed module resolution + // setting, type references will return their target mode regardless of options because of how the parser works, so we guard against the mode being + // set in a non-modal module resolution setting here. Do note that our behavior is not particularly well defined when these mode-overriding imports + // are present in a non-modal project; while in theory we'd like to either ignore the mode or provide faithful modern resolution, depending on what we feel is best, + // in practice, not every cache has the options available to intelligently make the choice to ignore the mode request, and it's unclear how modern "faithful modern + // resolution" should be (`node16`? `nodenext`?). As such, witnessing a mode-overriding triple-slash reference in a non-modal module resolution + // context should _probably_ be an error - and that should likely be handled by the `Program` (which is what we do). + if (resolutionMode === ts.ModuleKind.ESNext && (ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.Node16 || ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.NodeNext)) { + features |= NodeResolutionFeatures.EsmMode; + } + var conditions = features & NodeResolutionFeatures.Exports ? features & NodeResolutionFeatures.EsmMode ? ["node", "import", "types"] : ["node", "require", "types"] : []; + var diagnostics = []; + var moduleResolutionState = { + compilerOptions: options, + host: host, + traceEnabled: traceEnabled, + failedLookupLocations: failedLookupLocations, + packageJsonInfoCache: cache, + features: features, + conditions: conditions, + requestContainingDirectory: containingDirectory, + reportDiagnostic: function (diag) { return void diagnostics.push(diag); }, + }; + var resolved = primaryLookup(); + var primary = true; + if (!resolved) { + resolved = secondaryLookup(); + primary = false; + } + var resolvedTypeReferenceDirective; + if (resolved) { + var fileName = resolved.fileName, packageId = resolved.packageId; + var resolvedFileName = options.preserveSymlinks ? fileName : realPath(fileName, host, traceEnabled); + resolvedTypeReferenceDirective = { + primary: primary, + resolvedFileName: resolvedFileName, + originalPath: arePathsEqual(fileName, resolvedFileName, host) ? undefined : fileName, + packageId: packageId, + isExternalLibraryImport: pathContainsNodeModules(fileName), + }; + } + result = { resolvedTypeReferenceDirective: resolvedTypeReferenceDirective, failedLookupLocations: failedLookupLocations, resolutionDiagnostics: diagnostics }; + perFolderCache === null || perFolderCache === void 0 ? void 0 : perFolderCache.set(typeReferenceDirectiveName, /*mode*/ resolutionMode, result); + if (traceEnabled) + traceResult(result); + return result; + function traceResult(result) { + var _a; + if (!((_a = result.resolvedTypeReferenceDirective) === null || _a === void 0 ? void 0 : _a.resolvedFileName)) { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName); + } + else if (result.resolvedTypeReferenceDirective.packageId) { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3, typeReferenceDirectiveName, result.resolvedTypeReferenceDirective.resolvedFileName, ts.packageIdToString(result.resolvedTypeReferenceDirective.packageId), result.resolvedTypeReferenceDirective.primary); + } + else { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, result.resolvedTypeReferenceDirective.resolvedFileName, result.resolvedTypeReferenceDirective.primary); + } + } + function primaryLookup() { + // Check primary library paths + if (typeRoots && typeRoots.length) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", ")); + } + return ts.firstDefined(typeRoots, function (typeRoot) { + var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName); + var candidateDirectory = ts.getDirectoryPath(candidate); + var directoryExists = ts.directoryProbablyExists(candidateDirectory, host); + if (!directoryExists && traceEnabled) { + trace(host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidateDirectory); + } + return resolvedTypeScriptOnly(loadNodeModuleFromDirectory(Extensions.DtsOnly, candidate, !directoryExists, moduleResolutionState)); + }); + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths); + } + } + } + function secondaryLookup() { + var initialLocationForSecondaryLookup = containingFile && ts.getDirectoryPath(containingFile); + if (initialLocationForSecondaryLookup !== undefined) { + // check secondary locations + if (traceEnabled) { + trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup); + } + var result_4; + if (!ts.isExternalModuleNameRelative(typeReferenceDirectiveName)) { + var searchResult = loadModuleFromNearestNodeModulesDirectory(Extensions.DtsOnly, typeReferenceDirectiveName, initialLocationForSecondaryLookup, moduleResolutionState, /*cache*/ undefined, /*redirectedReference*/ undefined); + result_4 = searchResult && searchResult.value; + } + else { + var candidate = normalizePathForCJSResolution(initialLocationForSecondaryLookup, typeReferenceDirectiveName).path; + result_4 = nodeLoadModuleByRelativeName(Extensions.DtsOnly, candidate, /*onlyRecordFailures*/ false, moduleResolutionState, /*considerPackageJson*/ true); + } + return resolvedTypeScriptOnly(result_4); + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder); + } + } + } + } + ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective; + function getDefaultNodeResolutionFeatures(options) { + return ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.Node16 ? NodeResolutionFeatures.Node16Default : + ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.NodeNext ? NodeResolutionFeatures.NodeNextDefault : + NodeResolutionFeatures.None; + } + /** + * @internal + * Does not try `@types/${packageName}` - use a second pass if needed. + */ + function resolvePackageNameToPackageJson(packageName, containingDirectory, options, host, cache) { + var moduleResolutionState = { + compilerOptions: options, + host: host, + traceEnabled: isTraceEnabled(options, host), + failedLookupLocations: [], + packageJsonInfoCache: cache === null || cache === void 0 ? void 0 : cache.getPackageJsonInfoCache(), + conditions: ts.emptyArray, + features: NodeResolutionFeatures.None, + requestContainingDirectory: containingDirectory, + reportDiagnostic: ts.noop + }; + return ts.forEachAncestorDirectory(containingDirectory, function (ancestorDirectory) { + if (ts.getBaseFileName(ancestorDirectory) !== "node_modules") { + var nodeModulesFolder = ts.combinePaths(ancestorDirectory, "node_modules"); + var candidate = ts.combinePaths(nodeModulesFolder, packageName); + return getPackageJsonInfo(candidate, /*onlyRecordFailures*/ false, moduleResolutionState); + } + }); + } + ts.resolvePackageNameToPackageJson = resolvePackageNameToPackageJson; + /** + * Given a set of options, returns the set of type directive names + * that should be included for this program automatically. + * This list could either come from the config file, + * or from enumerating the types root + initial secondary types lookup location. + * More type directives might appear in the program later as a result of loading actual source files; + * this list is only the set of defaults that are implicitly included. + */ + function getAutomaticTypeDirectiveNames(options, host) { + // Use explicit type list from tsconfig.json + if (options.types) { + return options.types; + } + // Walk the primary type lookup locations + var result = []; + if (host.directoryExists && host.getDirectories) { + var typeRoots = getEffectiveTypeRoots(options, host); + if (typeRoots) { + for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) { + var root = typeRoots_1[_i]; + if (host.directoryExists(root)) { + for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) { + var typeDirectivePath = _b[_a]; + var normalized = ts.normalizePath(typeDirectivePath); + var packageJsonPath = ts.combinePaths(root, normalized, "package.json"); + // `types-publisher` sometimes creates packages with `"typings": null` for packages that don't provide their own types. + // See `createNotNeededPackageJSON` in the types-publisher` repo. + // eslint-disable-next-line no-null/no-null + var isNotNeededPackage = host.fileExists(packageJsonPath) && ts.readJson(packageJsonPath, host).typings === null; + if (!isNotNeededPackage) { + var baseFileName = ts.getBaseFileName(normalized); + // At this stage, skip results with leading dot. + if (baseFileName.charCodeAt(0) !== 46 /* CharacterCodes.dot */) { + // Return just the type directive names + result.push(baseFileName); + } + } + } + } + } + } + } + return result; + } + ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames; + /*@internal*/ + function createCacheWithRedirects(options) { + var ownMap = new ts.Map(); + var redirectsMap = new ts.Map(); + return { + getOwnMap: getOwnMap, + redirectsMap: redirectsMap, + getOrCreateMapOfCacheRedirects: getOrCreateMapOfCacheRedirects, + clear: clear, + setOwnOptions: setOwnOptions, + setOwnMap: setOwnMap + }; + function getOwnMap() { + return ownMap; + } + function setOwnOptions(newOptions) { + options = newOptions; + } + function setOwnMap(newOwnMap) { + ownMap = newOwnMap; + } + function getOrCreateMapOfCacheRedirects(redirectedReference) { + if (!redirectedReference) { + return ownMap; + } + var path = redirectedReference.sourceFile.path; + var redirects = redirectsMap.get(path); + if (!redirects) { + // Reuse map if redirected reference map uses same resolution + redirects = !options || ts.optionsHaveModuleResolutionChanges(options, redirectedReference.commandLine.options) ? new ts.Map() : ownMap; + redirectsMap.set(path, redirects); + } + return redirects; + } + function clear() { + ownMap.clear(); + redirectsMap.clear(); + } + } + ts.createCacheWithRedirects = createCacheWithRedirects; + function createPackageJsonInfoCache(currentDirectory, getCanonicalFileName) { + var cache; + return { getPackageJsonInfo: getPackageJsonInfo, setPackageJsonInfo: setPackageJsonInfo, clear: clear, entries: entries }; + function getPackageJsonInfo(packageJsonPath) { + return cache === null || cache === void 0 ? void 0 : cache.get(ts.toPath(packageJsonPath, currentDirectory, getCanonicalFileName)); + } + function setPackageJsonInfo(packageJsonPath, info) { + (cache || (cache = new ts.Map())).set(ts.toPath(packageJsonPath, currentDirectory, getCanonicalFileName), info); + } + function clear() { + cache = undefined; + } + function entries() { + var iter = cache === null || cache === void 0 ? void 0 : cache.entries(); + return iter ? ts.arrayFrom(iter) : []; + } + } + function getOrCreateCache(cacheWithRedirects, redirectedReference, key, create) { + var cache = cacheWithRedirects.getOrCreateMapOfCacheRedirects(redirectedReference); + var result = cache.get(key); + if (!result) { + result = create(); + cache.set(key, result); + } + return result; + } + function updateRedirectsMap(options, directoryToModuleNameMap, moduleNameToDirectoryMap) { + if (!options.configFile) + return; + if (directoryToModuleNameMap.redirectsMap.size === 0) { + // The own map will be for projectCompilerOptions + ts.Debug.assert(!moduleNameToDirectoryMap || moduleNameToDirectoryMap.redirectsMap.size === 0); + ts.Debug.assert(directoryToModuleNameMap.getOwnMap().size === 0); + ts.Debug.assert(!moduleNameToDirectoryMap || moduleNameToDirectoryMap.getOwnMap().size === 0); + directoryToModuleNameMap.redirectsMap.set(options.configFile.path, directoryToModuleNameMap.getOwnMap()); + moduleNameToDirectoryMap === null || moduleNameToDirectoryMap === void 0 ? void 0 : moduleNameToDirectoryMap.redirectsMap.set(options.configFile.path, moduleNameToDirectoryMap.getOwnMap()); + } + else { + // Set correct own map + ts.Debug.assert(!moduleNameToDirectoryMap || moduleNameToDirectoryMap.redirectsMap.size > 0); + var ref = { + sourceFile: options.configFile, + commandLine: { options: options } + }; + directoryToModuleNameMap.setOwnMap(directoryToModuleNameMap.getOrCreateMapOfCacheRedirects(ref)); + moduleNameToDirectoryMap === null || moduleNameToDirectoryMap === void 0 ? void 0 : moduleNameToDirectoryMap.setOwnMap(moduleNameToDirectoryMap.getOrCreateMapOfCacheRedirects(ref)); + } + directoryToModuleNameMap.setOwnOptions(options); + moduleNameToDirectoryMap === null || moduleNameToDirectoryMap === void 0 ? void 0 : moduleNameToDirectoryMap.setOwnOptions(options); + } + function createPerDirectoryResolutionCache(currentDirectory, getCanonicalFileName, directoryToModuleNameMap) { + return { + getOrCreateCacheForDirectory: getOrCreateCacheForDirectory, + clear: clear, + update: update, + }; + function clear() { + directoryToModuleNameMap.clear(); + } + function update(options) { + updateRedirectsMap(options, directoryToModuleNameMap); + } + function getOrCreateCacheForDirectory(directoryName, redirectedReference) { + var path = ts.toPath(directoryName, currentDirectory, getCanonicalFileName); + return getOrCreateCache(directoryToModuleNameMap, redirectedReference, path, function () { return createModeAwareCache(); }); + } + } + /* @internal */ + function createModeAwareCache() { + var underlying = new ts.Map(); + var memoizedReverseKeys = new ts.Map(); + var cache = { + get: function (specifier, mode) { + return underlying.get(getUnderlyingCacheKey(specifier, mode)); + }, + set: function (specifier, mode, value) { + underlying.set(getUnderlyingCacheKey(specifier, mode), value); + return cache; + }, + delete: function (specifier, mode) { + underlying.delete(getUnderlyingCacheKey(specifier, mode)); + return cache; + }, + has: function (specifier, mode) { + return underlying.has(getUnderlyingCacheKey(specifier, mode)); + }, + forEach: function (cb) { + return underlying.forEach(function (elem, key) { + var _a = memoizedReverseKeys.get(key), specifier = _a[0], mode = _a[1]; + return cb(elem, specifier, mode); + }); + }, + size: function () { + return underlying.size; + } + }; + return cache; + function getUnderlyingCacheKey(specifier, mode) { + var result = mode === undefined ? specifier : "".concat(mode, "|").concat(specifier); + memoizedReverseKeys.set(result, [specifier, mode]); + return result; + } + } + ts.createModeAwareCache = createModeAwareCache; + /* @internal */ + function zipToModeAwareCache(file, keys, values) { + ts.Debug.assert(keys.length === values.length); + var map = createModeAwareCache(); + for (var i = 0; i < keys.length; ++i) { + var entry = keys[i]; + // We lower-case all type references because npm automatically lowercases all packages. See GH#9824. + var name = !ts.isString(entry) ? entry.fileName.toLowerCase() : entry; + var mode = !ts.isString(entry) ? entry.resolutionMode || file.impliedNodeFormat : ts.getModeForResolutionAtIndex(file, i); + map.set(name, mode, values[i]); + } + return map; + } + ts.zipToModeAwareCache = zipToModeAwareCache; + function createModuleResolutionCache(currentDirectory, getCanonicalFileName, options, directoryToModuleNameMap, moduleNameToDirectoryMap) { + var preDirectoryResolutionCache = createPerDirectoryResolutionCache(currentDirectory, getCanonicalFileName, directoryToModuleNameMap || (directoryToModuleNameMap = createCacheWithRedirects(options))); + moduleNameToDirectoryMap || (moduleNameToDirectoryMap = createCacheWithRedirects(options)); + var packageJsonInfoCache = createPackageJsonInfoCache(currentDirectory, getCanonicalFileName); + return __assign(__assign(__assign({}, packageJsonInfoCache), preDirectoryResolutionCache), { getOrCreateCacheForModuleName: getOrCreateCacheForModuleName, clear: clear, update: update, getPackageJsonInfoCache: function () { return packageJsonInfoCache; } }); + function clear() { + preDirectoryResolutionCache.clear(); + moduleNameToDirectoryMap.clear(); + packageJsonInfoCache.clear(); + } + function update(options) { + updateRedirectsMap(options, directoryToModuleNameMap, moduleNameToDirectoryMap); + } + function getOrCreateCacheForModuleName(nonRelativeModuleName, mode, redirectedReference) { + ts.Debug.assert(!ts.isExternalModuleNameRelative(nonRelativeModuleName)); + return getOrCreateCache(moduleNameToDirectoryMap, redirectedReference, mode === undefined ? nonRelativeModuleName : "".concat(mode, "|").concat(nonRelativeModuleName), createPerModuleNameCache); + } + function createPerModuleNameCache() { + var directoryPathMap = new ts.Map(); + return { get: get, set: set }; + function get(directory) { + return directoryPathMap.get(ts.toPath(directory, currentDirectory, getCanonicalFileName)); + } + /** + * At first this function add entry directory -> module resolution result to the table. + * Then it computes the set of parent folders for 'directory' that should have the same module resolution result + * and for every parent folder in set it adds entry: parent -> module resolution. . + * Lets say we first directory name: /a/b/c/d/e and resolution result is: /a/b/bar.ts. + * Set of parent folders that should have the same result will be: + * [ + * /a/b/c/d, /a/b/c, /a/b + * ] + * this means that request for module resolution from file in any of these folder will be immediately found in cache. + */ + function set(directory, result) { + var path = ts.toPath(directory, currentDirectory, getCanonicalFileName); + // if entry is already in cache do nothing + if (directoryPathMap.has(path)) { + return; + } + directoryPathMap.set(path, result); + var resolvedFileName = result.resolvedModule && + (result.resolvedModule.originalPath || result.resolvedModule.resolvedFileName); + // find common prefix between directory and resolved file name + // this common prefix should be the shortest path that has the same resolution + // directory: /a/b/c/d/e + // resolvedFileName: /a/b/foo.d.ts + // commonPrefix: /a/b + // for failed lookups cache the result for every directory up to root + var commonPrefix = resolvedFileName && getCommonPrefix(path, resolvedFileName); + var current = path; + while (current !== commonPrefix) { + var parent = ts.getDirectoryPath(current); + if (parent === current || directoryPathMap.has(parent)) { + break; + } + directoryPathMap.set(parent, result); + current = parent; + } + } + function getCommonPrefix(directory, resolution) { + var resolutionDirectory = ts.toPath(ts.getDirectoryPath(resolution), currentDirectory, getCanonicalFileName); + // find first position where directory and resolution differs + var i = 0; + var limit = Math.min(directory.length, resolutionDirectory.length); + while (i < limit && directory.charCodeAt(i) === resolutionDirectory.charCodeAt(i)) { + i++; + } + if (i === directory.length && (resolutionDirectory.length === i || resolutionDirectory[i] === ts.directorySeparator)) { + return directory; + } + var rootLength = ts.getRootLength(directory); + if (i < rootLength) { + return undefined; + } + var sep = directory.lastIndexOf(ts.directorySeparator, i - 1); + if (sep === -1) { + return undefined; + } + return directory.substr(0, Math.max(sep, rootLength)); + } + } + } + ts.createModuleResolutionCache = createModuleResolutionCache; + function createTypeReferenceDirectiveResolutionCache(currentDirectory, getCanonicalFileName, options, packageJsonInfoCache, directoryToModuleNameMap) { + var preDirectoryResolutionCache = createPerDirectoryResolutionCache(currentDirectory, getCanonicalFileName, directoryToModuleNameMap || (directoryToModuleNameMap = createCacheWithRedirects(options))); + packageJsonInfoCache || (packageJsonInfoCache = createPackageJsonInfoCache(currentDirectory, getCanonicalFileName)); + return __assign(__assign(__assign({}, packageJsonInfoCache), preDirectoryResolutionCache), { clear: clear }); + function clear() { + preDirectoryResolutionCache.clear(); + packageJsonInfoCache.clear(); + } + } + ts.createTypeReferenceDirectiveResolutionCache = createTypeReferenceDirectiveResolutionCache; + function resolveModuleNameFromCache(moduleName, containingFile, cache, mode) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory); + if (!perFolderCache) + return undefined; + return perFolderCache.get(moduleName, mode); + } + ts.resolveModuleNameFromCache = resolveModuleNameFromCache; + function resolveModuleName(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + if (redirectedReference) { + compilerOptions = redirectedReference.commandLine.options; + } + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile); + if (redirectedReference) { + trace(host, ts.Diagnostics.Using_compiler_options_of_project_reference_redirect_0, redirectedReference.sourceFile.fileName); + } + } + var containingDirectory = ts.getDirectoryPath(containingFile); + var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory, redirectedReference); + var result = perFolderCache && perFolderCache.get(moduleName, resolutionMode); + if (result) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache_from_location_1, moduleName, containingDirectory); + } + } + else { + var moduleResolution = compilerOptions.moduleResolution; + if (moduleResolution === undefined) { + switch (ts.getEmitModuleKind(compilerOptions)) { + case ts.ModuleKind.CommonJS: + moduleResolution = ts.ModuleResolutionKind.NodeJs; + break; + case ts.ModuleKind.Node16: + moduleResolution = ts.ModuleResolutionKind.Node16; + break; + case ts.ModuleKind.NodeNext: + moduleResolution = ts.ModuleResolutionKind.NodeNext; + break; + default: + moduleResolution = ts.ModuleResolutionKind.Classic; + break; + } + if (traceEnabled) { + trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]); + } + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]); + } + } + ts.perfLogger.logStartResolveModule(moduleName /* , containingFile, ModuleResolutionKind[moduleResolution]*/); + switch (moduleResolution) { + case ts.ModuleResolutionKind.Node16: + result = node16ModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode); + break; + case ts.ModuleResolutionKind.NodeNext: + result = nodeNextModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode); + break; + case ts.ModuleResolutionKind.NodeJs: + result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference); + break; + case ts.ModuleResolutionKind.Classic: + result = classicNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference); + break; + default: + return ts.Debug.fail("Unexpected moduleResolution: ".concat(moduleResolution)); + } + if (result && result.resolvedModule) + ts.perfLogger.logInfoEvent("Module \"".concat(moduleName, "\" resolved to \"").concat(result.resolvedModule.resolvedFileName, "\"")); + ts.perfLogger.logStopResolveModule((result && result.resolvedModule) ? "" + result.resolvedModule.resolvedFileName : "null"); + if (perFolderCache) { + perFolderCache.set(moduleName, resolutionMode, result); + if (!ts.isExternalModuleNameRelative(moduleName)) { + // put result in per-module name cache + cache.getOrCreateCacheForModuleName(moduleName, resolutionMode, redirectedReference).set(containingDirectory, result); + } + } + } + if (traceEnabled) { + if (result.resolvedModule) { + if (result.resolvedModule.packageId) { + trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2, moduleName, result.resolvedModule.resolvedFileName, ts.packageIdToString(result.resolvedModule.packageId)); + } + else { + trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName); + } + } + else { + trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName); + } + } + return result; + } + ts.resolveModuleName = resolveModuleName; + /** + * Any module resolution kind can be augmented with optional settings: 'baseUrl', 'paths' and 'rootDirs' - they are used to + * mitigate differences between design time structure of the project and its runtime counterpart so the same import name + * can be resolved successfully by TypeScript compiler and runtime module loader. + * If these settings are set then loading procedure will try to use them to resolve module name and it can of failure it will + * fallback to standard resolution routine. + * + * - baseUrl - this setting controls how non-relative module names are resolved. If this setting is specified then non-relative + * names will be resolved relative to baseUrl: i.e. if baseUrl is '/a/b' then candidate location to resolve module name 'c/d' will + * be '/a/b/c/d' + * - paths - this setting can only be used when baseUrl is specified. allows to tune how non-relative module names + * will be resolved based on the content of the module name. + * Structure of 'paths' compiler options + * 'paths': { + * pattern-1: [...substitutions], + * pattern-2: [...substitutions], + * ... + * pattern-n: [...substitutions] + * } + * Pattern here is a string that can contain zero or one '*' character. During module resolution module name will be matched against + * all patterns in the list. Matching for patterns that don't contain '*' means that module name must be equal to pattern respecting the case. + * If pattern contains '*' then to match pattern "*" module name must start with the and end with . + * denotes part of the module name between and . + * If module name can be matches with multiple patterns then pattern with the longest prefix will be picked. + * After selecting pattern we'll use list of substitutions to get candidate locations of the module and the try to load module + * from the candidate location. + * Substitution is a string that can contain zero or one '*'. To get candidate location from substitution we'll pick every + * substitution in the list and replace '*' with string. If candidate location is not rooted it + * will be converted to absolute using baseUrl. + * For example: + * baseUrl: /a/b/c + * "paths": { + * // match all module names + * "*": [ + * "*", // use matched name as is, + * // will be looked as /a/b/c/ + * + * "folder1/*" // substitution will convert matched name to 'folder1/', + * // since it is not rooted then final candidate location will be /a/b/c/folder1/ + * ], + * // match module names that start with 'components/' + * "components/*": [ "/root/components/*" ] // substitution will convert /components/folder1/ to '/root/components/folder1/', + * // it is rooted so it will be final candidate location + * } + * + * 'rootDirs' allows the project to be spreaded across multiple locations and resolve modules with relative names as if + * they were in the same location. For example lets say there are two files + * '/local/src/content/file1.ts' + * '/shared/components/contracts/src/content/protocols/file2.ts' + * After bundling content of '/shared/components/contracts/src' will be merged with '/local/src' so + * if file1 has the following import 'import {x} from "./protocols/file2"' it will be resolved successfully in runtime. + * 'rootDirs' provides the way to tell compiler that in order to get the whole project it should behave as if content of all + * root dirs were merged together. + * I.e. for the example above 'rootDirs' will have two entries: [ '/local/src', '/shared/components/contracts/src' ]. + * Compiler will first convert './protocols/file2' into absolute path relative to the location of containing file: + * '/local/src/content/protocols/file2' and try to load it - failure. + * Then it will search 'rootDirs' looking for a longest matching prefix of this absolute path and if such prefix is found - absolute path will + * be converted to a path relative to found rootDir entry './content/protocols/file2' (*). As a last step compiler will check all remaining + * entries in 'rootDirs', use them to build absolute path out of (*) and try to resolve module from this location. + */ + function tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, state) { + var resolved = tryLoadModuleUsingPathsIfEligible(extensions, moduleName, loader, state); + if (resolved) + return resolved.value; + if (!ts.isExternalModuleNameRelative(moduleName)) { + return tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, state); + } + else { + return tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, state); + } + } + function tryLoadModuleUsingPathsIfEligible(extensions, moduleName, loader, state) { + var _a; + var _b = state.compilerOptions, baseUrl = _b.baseUrl, paths = _b.paths, configFile = _b.configFile; + if (paths && !ts.pathIsRelative(moduleName)) { + if (state.traceEnabled) { + if (baseUrl) { + trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, baseUrl, moduleName); + } + trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName); + } + var baseDirectory = ts.getPathsBasePath(state.compilerOptions, state.host); // Always defined when 'paths' is defined + var pathPatterns = (configFile === null || configFile === void 0 ? void 0 : configFile.configFileSpecs) ? (_a = configFile.configFileSpecs).pathPatterns || (_a.pathPatterns = ts.tryParsePatterns(paths)) : undefined; + return tryLoadModuleUsingPaths(extensions, moduleName, baseDirectory, paths, pathPatterns, loader, /*onlyRecordFailures*/ false, state); + } + } + function tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, state) { + if (!state.compilerOptions.rootDirs) { + return undefined; + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName); + } + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var matchedRootDir; + var matchedNormalizedPrefix; + for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) { + var rootDir = _a[_i]; + // rootDirs are expected to be absolute + // in case of tsconfig.json this will happen automatically - compiler will expand relative names + // using location of tsconfig.json as base location + var normalizedRoot = ts.normalizePath(rootDir); + if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) { + normalizedRoot += ts.directorySeparator; + } + var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) && + (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix); + } + if (isLongestMatchingPrefix) { + matchedNormalizedPrefix = normalizedRoot; + matchedRootDir = rootDir; + } + } + if (matchedNormalizedPrefix) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix); + } + var suffix = candidate.substr(matchedNormalizedPrefix.length); + // first - try to load from a initial location + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate); + } + var resolvedFileName = loader(extensions, candidate, !ts.directoryProbablyExists(containingDirectory, state.host), state); + if (resolvedFileName) { + return resolvedFileName; + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs); + } + // then try to resolve using remaining entries in rootDirs + for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) { + var rootDir = _c[_b]; + if (rootDir === matchedRootDir) { + // skip the initially matched entry + continue; + } + var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1); + } + var baseDirectory = ts.getDirectoryPath(candidate_1); + var resolvedFileName_1 = loader(extensions, candidate_1, !ts.directoryProbablyExists(baseDirectory, state.host), state); + if (resolvedFileName_1) { + return resolvedFileName_1; + } + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed); + } + } + return undefined; + } + function tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, state) { + var baseUrl = state.compilerOptions.baseUrl; + if (!baseUrl) { + return undefined; + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, baseUrl, moduleName); + } + var candidate = ts.normalizePath(ts.combinePaths(baseUrl, moduleName)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, baseUrl, candidate); + } + return loader(extensions, candidate, !ts.directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); + } + /** + * Expose resolution logic to allow us to use Node module resolution logic from arbitrary locations. + * No way to do this with `require()`: https://github.com/nodejs/node/issues/5963 + * Throws an error if the module can't be resolved. + */ + /* @internal */ + function resolveJSModule(moduleName, initialDir, host) { + var _a = tryResolveJSModuleWorker(moduleName, initialDir, host), resolvedModule = _a.resolvedModule, failedLookupLocations = _a.failedLookupLocations; + if (!resolvedModule) { + throw new Error("Could not resolve JS module '".concat(moduleName, "' starting at '").concat(initialDir, "'. Looked in: ").concat(failedLookupLocations.join(", "))); + } + return resolvedModule.resolvedFileName; + } + ts.resolveJSModule = resolveJSModule; + /* @internal */ + var NodeResolutionFeatures; + (function (NodeResolutionFeatures) { + NodeResolutionFeatures[NodeResolutionFeatures["None"] = 0] = "None"; + // resolving `#local` names in your own package.json + NodeResolutionFeatures[NodeResolutionFeatures["Imports"] = 2] = "Imports"; + // resolving `your-own-name` from your own package.json + NodeResolutionFeatures[NodeResolutionFeatures["SelfName"] = 4] = "SelfName"; + // respecting the `.exports` member of packages' package.json files and its (conditional) mappings of export names + NodeResolutionFeatures[NodeResolutionFeatures["Exports"] = 8] = "Exports"; + // allowing `*` in the LHS of an export to be followed by more content, eg `"./whatever/*.js"` + // not supported in node 12 - https://github.com/nodejs/Release/issues/690 + NodeResolutionFeatures[NodeResolutionFeatures["ExportsPatternTrailers"] = 16] = "ExportsPatternTrailers"; + NodeResolutionFeatures[NodeResolutionFeatures["AllFeatures"] = 30] = "AllFeatures"; + NodeResolutionFeatures[NodeResolutionFeatures["Node16Default"] = 30] = "Node16Default"; + NodeResolutionFeatures[NodeResolutionFeatures["NodeNextDefault"] = 30] = "NodeNextDefault"; + NodeResolutionFeatures[NodeResolutionFeatures["EsmMode"] = 32] = "EsmMode"; + })(NodeResolutionFeatures || (NodeResolutionFeatures = {})); + function node16ModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode) { + return nodeNextModuleNameResolverWorker(NodeResolutionFeatures.Node16Default, moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode); + } + function nodeNextModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode) { + return nodeNextModuleNameResolverWorker(NodeResolutionFeatures.NodeNextDefault, moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode); + } + var jsOnlyExtensions = [Extensions.JavaScript]; + var tsExtensions = [Extensions.TypeScript, Extensions.JavaScript]; + var tsPlusJsonExtensions = __spreadArray(__spreadArray([], tsExtensions, true), [Extensions.Json], false); + var tsconfigExtensions = [Extensions.TSConfig]; + function nodeNextModuleNameResolverWorker(features, moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode) { + var containingDirectory = ts.getDirectoryPath(containingFile); + // es module file or cjs-like input file, use a variant of the legacy cjs resolver that supports the selected modern features + var esmMode = resolutionMode === ts.ModuleKind.ESNext ? NodeResolutionFeatures.EsmMode : 0; + var extensions = compilerOptions.noDtsResolution ? [Extensions.TsOnly, Extensions.JavaScript] : tsExtensions; + if (compilerOptions.resolveJsonModule) { + extensions = __spreadArray(__spreadArray([], extensions, true), [Extensions.Json], false); + } + return nodeModuleNameResolverWorker(features | esmMode, moduleName, containingDirectory, compilerOptions, host, cache, extensions, redirectedReference); + } + function tryResolveJSModuleWorker(moduleName, initialDir, host) { + return nodeModuleNameResolverWorker(NodeResolutionFeatures.None, moduleName, initialDir, { moduleResolution: ts.ModuleResolutionKind.NodeJs, allowJs: true }, host, /*cache*/ undefined, jsOnlyExtensions, /*redirectedReferences*/ undefined); + } + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, lookupConfig) { + var extensions; + if (lookupConfig) { + extensions = tsconfigExtensions; + } + else if (compilerOptions.noDtsResolution) { + extensions = [Extensions.TsOnly]; + if (compilerOptions.allowJs) + extensions.push(Extensions.JavaScript); + if (compilerOptions.resolveJsonModule) + extensions.push(Extensions.Json); + } + else { + extensions = compilerOptions.resolveJsonModule ? tsPlusJsonExtensions : tsExtensions; + } + return nodeModuleNameResolverWorker(NodeResolutionFeatures.None, moduleName, ts.getDirectoryPath(containingFile), compilerOptions, host, cache, extensions, redirectedReference); + } + ts.nodeModuleNameResolver = nodeModuleNameResolver; + function nodeModuleNameResolverWorker(features, moduleName, containingDirectory, compilerOptions, host, cache, extensions, redirectedReference) { + var _a, _b; + var traceEnabled = isTraceEnabled(compilerOptions, host); + var failedLookupLocations = []; + // conditions are only used by the node16/nodenext resolver - there's no priority order in the list, + //it's essentially a set (priority is determined by object insertion order in the object we look at). + var conditions = features & NodeResolutionFeatures.EsmMode ? ["node", "import", "types"] : ["node", "require", "types"]; + if (compilerOptions.noDtsResolution) { + conditions.pop(); + } + var diagnostics = []; + var state = { + compilerOptions: compilerOptions, + host: host, + traceEnabled: traceEnabled, + failedLookupLocations: failedLookupLocations, + packageJsonInfoCache: cache, + features: features, + conditions: conditions, + requestContainingDirectory: containingDirectory, + reportDiagnostic: function (diag) { return void diagnostics.push(diag); }, + }; + var result = ts.forEach(extensions, function (ext) { return tryResolve(ext); }); + return createResolvedModuleWithFailedLookupLocations((_a = result === null || result === void 0 ? void 0 : result.value) === null || _a === void 0 ? void 0 : _a.resolved, (_b = result === null || result === void 0 ? void 0 : result.value) === null || _b === void 0 ? void 0 : _b.isExternalLibraryImport, failedLookupLocations, diagnostics, state.resultFromCache); + function tryResolve(extensions) { + var loader = function (extensions, candidate, onlyRecordFailures, state) { return nodeLoadModuleByRelativeName(extensions, candidate, onlyRecordFailures, state, /*considerPackageJson*/ true); }; + var resolved = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, state); + if (resolved) { + return toSearchResult({ resolved: resolved, isExternalLibraryImport: pathContainsNodeModules(resolved.path) }); + } + if (!ts.isExternalModuleNameRelative(moduleName)) { + var resolved_1; + if (features & NodeResolutionFeatures.Imports && ts.startsWith(moduleName, "#")) { + resolved_1 = loadModuleFromImports(extensions, moduleName, containingDirectory, state, cache, redirectedReference); + } + if (!resolved_1 && features & NodeResolutionFeatures.SelfName) { + resolved_1 = loadModuleFromSelfNameReference(extensions, moduleName, containingDirectory, state, cache, redirectedReference); + } + if (!resolved_1) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder_target_file_type_1, moduleName, Extensions[extensions]); + } + resolved_1 = loadModuleFromNearestNodeModulesDirectory(extensions, moduleName, containingDirectory, state, cache, redirectedReference); + } + if (!resolved_1) + return undefined; + var resolvedValue = resolved_1.value; + if (!compilerOptions.preserveSymlinks && resolvedValue && !resolvedValue.originalPath) { + var path = realPath(resolvedValue.path, host, traceEnabled); + var originalPath = arePathsEqual(path, resolvedValue.path, host) ? undefined : resolvedValue.path; + resolvedValue = __assign(__assign({}, resolvedValue), { path: path, originalPath: originalPath }); + } + // For node_modules lookups, get the real path so that multiple accesses to an `npm link`-ed module do not create duplicate files. + return { value: resolvedValue && { resolved: resolvedValue, isExternalLibraryImport: true } }; + } + else { + var _a = normalizePathForCJSResolution(containingDirectory, moduleName), candidate = _a.path, parts = _a.parts; + var resolved_2 = nodeLoadModuleByRelativeName(extensions, candidate, /*onlyRecordFailures*/ false, state, /*considerPackageJson*/ true); + // Treat explicit "node_modules" import as an external library import. + return resolved_2 && toSearchResult({ resolved: resolved_2, isExternalLibraryImport: ts.contains(parts, "node_modules") }); + } + } + } + // If you import from "." inside a containing directory "/foo", the result of `normalizePath` + // would be "/foo", but this loses the information that `foo` is a directory and we intended + // to look inside of it. The Node CommonJS resolution algorithm doesn't call this out + // (https://nodejs.org/api/modules.html#all-together), but it seems that module paths ending + // in `.` are actually normalized to `./` before proceeding with the resolution algorithm. + function normalizePathForCJSResolution(containingDirectory, moduleName) { + var combined = ts.combinePaths(containingDirectory, moduleName); + var parts = ts.getPathComponents(combined); + var lastPart = ts.lastOrUndefined(parts); + var path = lastPart === "." || lastPart === ".." ? ts.ensureTrailingDirectorySeparator(ts.normalizePath(combined)) : ts.normalizePath(combined); + return { path: path, parts: parts }; + } + function realPath(path, host, traceEnabled) { + if (!host.realpath) { + return path; + } + var real = ts.normalizePath(host.realpath(path)); + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, path, real); + } + ts.Debug.assert(host.fileExists(real), "".concat(path, " linked to nonexistent file ").concat(real)); + return real; + } + function nodeLoadModuleByRelativeName(extensions, candidate, onlyRecordFailures, state, considerPackageJson) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1, candidate, Extensions[extensions]); + } + if (!ts.hasTrailingDirectorySeparator(candidate)) { + if (!onlyRecordFailures) { + var parentOfCandidate = ts.getDirectoryPath(candidate); + if (!ts.directoryProbablyExists(parentOfCandidate, state.host)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, parentOfCandidate); + } + onlyRecordFailures = true; + } + } + var resolvedFromFile = loadModuleFromFile(extensions, candidate, onlyRecordFailures, state); + if (resolvedFromFile) { + var packageDirectory = considerPackageJson ? parseNodeModuleFromPath(resolvedFromFile.path) : undefined; + var packageInfo = packageDirectory ? getPackageJsonInfo(packageDirectory, /*onlyRecordFailures*/ false, state) : undefined; + return withPackageId(packageInfo, resolvedFromFile); + } + } + if (!onlyRecordFailures) { + var candidateExists = ts.directoryProbablyExists(candidate, state.host); + if (!candidateExists) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidate); + } + onlyRecordFailures = true; + } + } + // esm mode relative imports shouldn't do any directory lookups (either inside `package.json` + // files or implicit `index.js`es). This is a notable depature from cjs norms, where `./foo/pkg` + // could have been redirected by `./foo/pkg/package.json` to an arbitrary location! + if (!(state.features & NodeResolutionFeatures.EsmMode)) { + return loadNodeModuleFromDirectory(extensions, candidate, onlyRecordFailures, state, considerPackageJson); + } + return undefined; + } + /*@internal*/ + ts.nodeModulesPathPart = "/node_modules/"; + /*@internal*/ + function pathContainsNodeModules(path) { + return ts.stringContains(path, ts.nodeModulesPathPart); + } + ts.pathContainsNodeModules = pathContainsNodeModules; + /** + * This will be called on the successfully resolved path from `loadModuleFromFile`. + * (Not needed for `loadModuleFromNodeModules` as that looks up the `package.json` as part of resolution.) + * + * packageDirectory is the directory of the package itself. + * For `blah/node_modules/foo/index.d.ts` this is packageDirectory: "foo" + * For `/node_modules/foo/bar.d.ts` this is packageDirectory: "foo" + * For `/node_modules/@types/foo/bar/index.d.ts` this is packageDirectory: "@types/foo" + * For `/node_modules/foo/bar/index.d.ts` this is packageDirectory: "foo" + */ + /* @internal */ + function parseNodeModuleFromPath(resolved) { + var path = ts.normalizePath(resolved); + var idx = path.lastIndexOf(ts.nodeModulesPathPart); + if (idx === -1) { + return undefined; + } + var indexAfterNodeModules = idx + ts.nodeModulesPathPart.length; + var indexAfterPackageName = moveToNextDirectorySeparatorIfAvailable(path, indexAfterNodeModules); + if (path.charCodeAt(indexAfterNodeModules) === 64 /* CharacterCodes.at */) { + indexAfterPackageName = moveToNextDirectorySeparatorIfAvailable(path, indexAfterPackageName); + } + return path.slice(0, indexAfterPackageName); + } + ts.parseNodeModuleFromPath = parseNodeModuleFromPath; + function moveToNextDirectorySeparatorIfAvailable(path, prevSeparatorIndex) { + var nextSeparatorIndex = path.indexOf(ts.directorySeparator, prevSeparatorIndex + 1); + return nextSeparatorIndex === -1 ? prevSeparatorIndex : nextSeparatorIndex; + } + function loadModuleFromFileNoPackageId(extensions, candidate, onlyRecordFailures, state) { + return noPackageId(loadModuleFromFile(extensions, candidate, onlyRecordFailures, state)); + } + /** + * @param {boolean} onlyRecordFailures - if true then function won't try to actually load files but instead record all attempts as failures. This flag is necessary + * in cases when we know upfront that all load attempts will fail (because containing folder does not exists) however we still need to record all failed lookup locations. + */ + function loadModuleFromFile(extensions, candidate, onlyRecordFailures, state) { + if (extensions === Extensions.Json || extensions === Extensions.TSConfig) { + var extensionLess = ts.tryRemoveExtension(candidate, ".json" /* Extension.Json */); + var extension = extensionLess ? candidate.substring(extensionLess.length) : ""; + return (extensionLess === undefined && extensions === Extensions.Json) ? undefined : tryAddingExtensions(extensionLess || candidate, extensions, extension, onlyRecordFailures, state); + } + // esm mode resolutions don't include automatic extension lookup (without additional flags, at least) + if (!(state.features & NodeResolutionFeatures.EsmMode)) { + // First, try adding an extension. An import of "foo" could be matched by a file "foo.ts", or "foo.js" by "foo.js.ts" + var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, "", onlyRecordFailures, state); + if (resolvedByAddingExtension) { + return resolvedByAddingExtension; + } + } + return loadModuleFromFileNoImplicitExtensions(extensions, candidate, onlyRecordFailures, state); + } + function loadModuleFromFileNoImplicitExtensions(extensions, candidate, onlyRecordFailures, state) { + // If that didn't work, try stripping a ".js" or ".jsx" extension and replacing it with a TypeScript one; + // e.g. "./foo.js" can be matched by "./foo.ts" or "./foo.d.ts" + if (ts.hasJSFileExtension(candidate) || (ts.fileExtensionIs(candidate, ".json" /* Extension.Json */) && state.compilerOptions.resolveJsonModule)) { + var extensionless = ts.removeFileExtension(candidate); + var extension = candidate.substring(extensionless.length); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension); + } + return tryAddingExtensions(extensionless, extensions, extension, onlyRecordFailures, state); + } + } + function loadJSOrExactTSFileName(extensions, candidate, onlyRecordFailures, state) { + if ((extensions === Extensions.TypeScript || extensions === Extensions.DtsOnly) && ts.fileExtensionIsOneOf(candidate, ts.supportedTSExtensionsFlat)) { + var result = tryFile(candidate, onlyRecordFailures, state); + return result !== undefined ? { path: candidate, ext: ts.tryExtractTSExtension(candidate) } : undefined; + } + return loadModuleFromFileNoImplicitExtensions(extensions, candidate, onlyRecordFailures, state); + } + /** Try to return an existing file that adds one of the `extensions` to `candidate`. */ + function tryAddingExtensions(candidate, extensions, originalExtension, onlyRecordFailures, state) { + if (!onlyRecordFailures) { + // check if containing folder exists - if it doesn't then just record failures for all supported extensions without disk probing + var directory = ts.getDirectoryPath(candidate); + if (directory) { + onlyRecordFailures = !ts.directoryProbablyExists(directory, state.host); + } + } + switch (extensions) { + case Extensions.DtsOnly: + switch (originalExtension) { + case ".mjs" /* Extension.Mjs */: + case ".mts" /* Extension.Mts */: + case ".d.mts" /* Extension.Dmts */: + return tryExtension(".d.mts" /* Extension.Dmts */); + case ".cjs" /* Extension.Cjs */: + case ".cts" /* Extension.Cts */: + case ".d.cts" /* Extension.Dcts */: + return tryExtension(".d.cts" /* Extension.Dcts */); + case ".json" /* Extension.Json */: + candidate += ".json" /* Extension.Json */; + return tryExtension(".d.ts" /* Extension.Dts */); + default: return tryExtension(".d.ts" /* Extension.Dts */); + } + case Extensions.TypeScript: + case Extensions.TsOnly: + var useDts = extensions === Extensions.TypeScript; + switch (originalExtension) { + case ".mjs" /* Extension.Mjs */: + case ".mts" /* Extension.Mts */: + case ".d.mts" /* Extension.Dmts */: + return tryExtension(".mts" /* Extension.Mts */) || (useDts ? tryExtension(".d.mts" /* Extension.Dmts */) : undefined); + case ".cjs" /* Extension.Cjs */: + case ".cts" /* Extension.Cts */: + case ".d.cts" /* Extension.Dcts */: + return tryExtension(".cts" /* Extension.Cts */) || (useDts ? tryExtension(".d.cts" /* Extension.Dcts */) : undefined); + case ".json" /* Extension.Json */: + candidate += ".json" /* Extension.Json */; + return useDts ? tryExtension(".d.ts" /* Extension.Dts */) : undefined; + default: + return tryExtension(".ts" /* Extension.Ts */) || tryExtension(".tsx" /* Extension.Tsx */) || (useDts ? tryExtension(".d.ts" /* Extension.Dts */) : undefined); + } + case Extensions.JavaScript: + switch (originalExtension) { + case ".mjs" /* Extension.Mjs */: + case ".mts" /* Extension.Mts */: + case ".d.mts" /* Extension.Dmts */: + return tryExtension(".mjs" /* Extension.Mjs */); + case ".cjs" /* Extension.Cjs */: + case ".cts" /* Extension.Cts */: + case ".d.cts" /* Extension.Dcts */: + return tryExtension(".cjs" /* Extension.Cjs */); + case ".json" /* Extension.Json */: + return tryExtension(".json" /* Extension.Json */); + default: + return tryExtension(".js" /* Extension.Js */) || tryExtension(".jsx" /* Extension.Jsx */); + } + case Extensions.TSConfig: + case Extensions.Json: + return tryExtension(".json" /* Extension.Json */); + } + function tryExtension(ext) { + var path = tryFile(candidate + ext, onlyRecordFailures, state); + return path === undefined ? undefined : { path: path, ext: ext }; + } + } + /** Return the file if it exists. */ + function tryFile(fileName, onlyRecordFailures, state) { + var _a, _b; + if (!((_a = state.compilerOptions.moduleSuffixes) === null || _a === void 0 ? void 0 : _a.length)) { + return tryFileLookup(fileName, onlyRecordFailures, state); + } + var ext = (_b = ts.tryGetExtensionFromPath(fileName)) !== null && _b !== void 0 ? _b : ""; + var fileNameNoExtension = ext ? ts.removeExtension(fileName, ext) : fileName; + return ts.forEach(state.compilerOptions.moduleSuffixes, function (suffix) { return tryFileLookup(fileNameNoExtension + suffix + ext, onlyRecordFailures, state); }); + } + function tryFileLookup(fileName, onlyRecordFailures, state) { + if (!onlyRecordFailures) { + if (state.host.fileExists(fileName)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName); + } + return fileName; + } + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName); + } + } + } + state.failedLookupLocations.push(fileName); + return undefined; + } + function loadNodeModuleFromDirectory(extensions, candidate, onlyRecordFailures, state, considerPackageJson) { + if (considerPackageJson === void 0) { considerPackageJson = true; } + var packageInfo = considerPackageJson ? getPackageJsonInfo(candidate, onlyRecordFailures, state) : undefined; + var packageJsonContent = packageInfo && packageInfo.packageJsonContent; + var versionPaths = packageInfo && packageInfo.versionPaths; + return withPackageId(packageInfo, loadNodeModuleFromDirectoryWorker(extensions, candidate, onlyRecordFailures, state, packageJsonContent, versionPaths)); + } + /* @internal */ + function getEntrypointsFromPackageJsonInfo(packageJsonInfo, options, host, cache, resolveJs) { + if (!resolveJs && packageJsonInfo.resolvedEntrypoints !== undefined) { + // Cached value excludes resolutions to JS files - those could be + // cached separately, but they're used rarely. + return packageJsonInfo.resolvedEntrypoints; + } + var entrypoints; + var extensions = resolveJs ? Extensions.JavaScript : Extensions.TypeScript; + var features = getDefaultNodeResolutionFeatures(options); + var requireState = { + compilerOptions: options, + host: host, + traceEnabled: isTraceEnabled(options, host), + failedLookupLocations: [], + packageJsonInfoCache: cache === null || cache === void 0 ? void 0 : cache.getPackageJsonInfoCache(), + conditions: ["node", "require", "types"], + features: features, + requestContainingDirectory: packageJsonInfo.packageDirectory, + reportDiagnostic: ts.noop + }; + var requireResolution = loadNodeModuleFromDirectoryWorker(extensions, packageJsonInfo.packageDirectory, + /*onlyRecordFailures*/ false, requireState, packageJsonInfo.packageJsonContent, packageJsonInfo.versionPaths); + entrypoints = ts.append(entrypoints, requireResolution === null || requireResolution === void 0 ? void 0 : requireResolution.path); + if (features & NodeResolutionFeatures.Exports && packageJsonInfo.packageJsonContent.exports) { + for (var _i = 0, _a = [["node", "import", "types"], ["node", "require", "types"]]; _i < _a.length; _i++) { + var conditions = _a[_i]; + var exportState = __assign(__assign({}, requireState), { failedLookupLocations: [], conditions: conditions }); + var exportResolutions = loadEntrypointsFromExportMap(packageJsonInfo, packageJsonInfo.packageJsonContent.exports, exportState, extensions); + if (exportResolutions) { + for (var _b = 0, exportResolutions_1 = exportResolutions; _b < exportResolutions_1.length; _b++) { + var resolution = exportResolutions_1[_b]; + entrypoints = ts.appendIfUnique(entrypoints, resolution.path); + } + } + } + } + return packageJsonInfo.resolvedEntrypoints = entrypoints || false; + } + ts.getEntrypointsFromPackageJsonInfo = getEntrypointsFromPackageJsonInfo; + function loadEntrypointsFromExportMap(scope, exports, state, extensions) { + var entrypoints; + if (ts.isArray(exports)) { + for (var _i = 0, exports_1 = exports; _i < exports_1.length; _i++) { + var target = exports_1[_i]; + loadEntrypointsFromTargetExports(target); + } + } + // eslint-disable-next-line no-null/no-null + else if (typeof exports === "object" && exports !== null && allKeysStartWithDot(exports)) { + for (var key in exports) { + loadEntrypointsFromTargetExports(exports[key]); + } + } + else { + loadEntrypointsFromTargetExports(exports); + } + return entrypoints; + function loadEntrypointsFromTargetExports(target) { + var _a, _b; + if (typeof target === "string" && ts.startsWith(target, "./") && target.indexOf("*") === -1) { + var partsAfterFirst = ts.getPathComponents(target).slice(2); + if (partsAfterFirst.indexOf("..") >= 0 || partsAfterFirst.indexOf(".") >= 0 || partsAfterFirst.indexOf("node_modules") >= 0) { + return false; + } + var resolvedTarget = ts.combinePaths(scope.packageDirectory, target); + var finalPath = ts.getNormalizedAbsolutePath(resolvedTarget, (_b = (_a = state.host).getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(_a)); + var result = loadJSOrExactTSFileName(extensions, finalPath, /*recordOnlyFailures*/ false, state); + if (result) { + entrypoints = ts.appendIfUnique(entrypoints, result, function (a, b) { return a.path === b.path; }); + return true; + } + } + else if (Array.isArray(target)) { + for (var _i = 0, target_1 = target; _i < target_1.length; _i++) { + var t = target_1[_i]; + var success = loadEntrypointsFromTargetExports(t); + if (success) { + return true; + } + } + } + // eslint-disable-next-line no-null/no-null + else if (typeof target === "object" && target !== null) { + return ts.forEach(ts.getOwnKeys(target), function (key) { + if (key === "default" || ts.contains(state.conditions, key) || isApplicableVersionedTypesKey(state.conditions, key)) { + loadEntrypointsFromTargetExports(target[key]); + return true; + } + }); + } + } + } + /** + * A function for locating the package.json scope for a given path + */ + /*@internal*/ + function getPackageScopeForPath(fileName, packageJsonInfoCache, host, options) { + var state = { + host: host, + compilerOptions: options, + traceEnabled: isTraceEnabled(options, host), + failedLookupLocations: [], + packageJsonInfoCache: packageJsonInfoCache, + features: 0, + conditions: [], + requestContainingDirectory: undefined, + reportDiagnostic: ts.noop + }; + var parts = ts.getPathComponents(fileName); + parts.pop(); + while (parts.length > 0) { + var pkg = getPackageJsonInfo(ts.getPathFromPathComponents(parts), /*onlyRecordFailures*/ false, state); + if (pkg) { + return pkg; + } + parts.pop(); + } + return undefined; + } + ts.getPackageScopeForPath = getPackageScopeForPath; + /*@internal*/ + function getPackageJsonInfo(packageDirectory, onlyRecordFailures, state) { + var _a, _b, _c; + var host = state.host, traceEnabled = state.traceEnabled; + var packageJsonPath = ts.combinePaths(packageDirectory, "package.json"); + if (onlyRecordFailures) { + state.failedLookupLocations.push(packageJsonPath); + return undefined; + } + var existing = (_a = state.packageJsonInfoCache) === null || _a === void 0 ? void 0 : _a.getPackageJsonInfo(packageJsonPath); + if (existing !== undefined) { + if (typeof existing !== "boolean") { + if (traceEnabled) + trace(host, ts.Diagnostics.File_0_exists_according_to_earlier_cached_lookups, packageJsonPath); + return existing; + } + else { + if (existing && traceEnabled) + trace(host, ts.Diagnostics.File_0_does_not_exist_according_to_earlier_cached_lookups, packageJsonPath); + state.failedLookupLocations.push(packageJsonPath); + return undefined; + } + } + var directoryExists = ts.directoryProbablyExists(packageDirectory, host); + if (directoryExists && host.fileExists(packageJsonPath)) { + var packageJsonContent = ts.readJson(packageJsonPath, host); + if (traceEnabled) { + trace(host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath); + } + var versionPaths = readPackageJsonTypesVersionPaths(packageJsonContent, state); + var result = { packageDirectory: packageDirectory, packageJsonContent: packageJsonContent, versionPaths: versionPaths, resolvedEntrypoints: undefined }; + (_b = state.packageJsonInfoCache) === null || _b === void 0 ? void 0 : _b.setPackageJsonInfo(packageJsonPath, result); + return result; + } + else { + if (directoryExists && traceEnabled) { + trace(host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath); + } + (_c = state.packageJsonInfoCache) === null || _c === void 0 ? void 0 : _c.setPackageJsonInfo(packageJsonPath, directoryExists); + // record package json as one of failed lookup locations - in the future if this file will appear it will invalidate resolution results + state.failedLookupLocations.push(packageJsonPath); + } + } + ts.getPackageJsonInfo = getPackageJsonInfo; + function loadNodeModuleFromDirectoryWorker(extensions, candidate, onlyRecordFailures, state, jsonContent, versionPaths) { + var packageFile; + if (jsonContent) { + switch (extensions) { + case Extensions.JavaScript: + case Extensions.Json: + case Extensions.TsOnly: + packageFile = readPackageJsonMainField(jsonContent, candidate, state); + break; + case Extensions.TypeScript: + // When resolving typescript modules, try resolving using main field as well + packageFile = readPackageJsonTypesFields(jsonContent, candidate, state) || readPackageJsonMainField(jsonContent, candidate, state); + break; + case Extensions.DtsOnly: + packageFile = readPackageJsonTypesFields(jsonContent, candidate, state); + break; + case Extensions.TSConfig: + packageFile = readPackageJsonTSConfigField(jsonContent, candidate, state); + break; + default: + return ts.Debug.assertNever(extensions); + } + } + var loader = function (extensions, candidate, onlyRecordFailures, state) { + var fromFile = tryFile(candidate, onlyRecordFailures, state); + if (fromFile) { + var resolved = resolvedIfExtensionMatches(extensions, fromFile); + if (resolved) { + return noPackageId(resolved); + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_has_an_unsupported_extension_so_skipping_it, fromFile); + } + } + // Even if extensions is DtsOnly, we can still look up a .ts file as a result of package.json "types" + var nextExtensions = extensions === Extensions.DtsOnly ? Extensions.TypeScript : extensions; + // Don't do package.json lookup recursively, because Node.js' package lookup doesn't. + // Disable `EsmMode` for the resolution of the package path for cjs-mode packages (so the `main` field can omit extensions) + // (technically it only emits a deprecation warning in esm packages right now, but that's probably + // enough to mean we don't need to support it) + var features = state.features; + if ((jsonContent === null || jsonContent === void 0 ? void 0 : jsonContent.type) !== "module") { + state.features &= ~NodeResolutionFeatures.EsmMode; + } + var result = nodeLoadModuleByRelativeName(nextExtensions, candidate, onlyRecordFailures, state, /*considerPackageJson*/ false); + state.features = features; + return result; + }; + var onlyRecordFailuresForPackageFile = packageFile ? !ts.directoryProbablyExists(ts.getDirectoryPath(packageFile), state.host) : undefined; + var onlyRecordFailuresForIndex = onlyRecordFailures || !ts.directoryProbablyExists(candidate, state.host); + var indexPath = ts.combinePaths(candidate, extensions === Extensions.TSConfig ? "tsconfig" : "index"); + if (versionPaths && (!packageFile || ts.containsPath(candidate, packageFile))) { + var moduleName = ts.getRelativePathFromDirectory(candidate, packageFile || indexPath, /*ignoreCase*/ false); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_match_module_name_2, versionPaths.version, ts.version, moduleName); + } + var result = tryLoadModuleUsingPaths(extensions, moduleName, candidate, versionPaths.paths, /*pathPatterns*/ undefined, loader, onlyRecordFailuresForPackageFile || onlyRecordFailuresForIndex, state); + if (result) { + return removeIgnoredPackageId(result.value); + } + } + // It won't have a `packageId` set, because we disabled `considerPackageJson`. + var packageFileResult = packageFile && removeIgnoredPackageId(loader(extensions, packageFile, onlyRecordFailuresForPackageFile, state)); + if (packageFileResult) + return packageFileResult; + // esm mode resolutions don't do package `index` lookups + if (!(state.features & NodeResolutionFeatures.EsmMode)) { + return loadModuleFromFile(extensions, indexPath, onlyRecordFailuresForIndex, state); + } + } + /** Resolve from an arbitrarily specified file. Return `undefined` if it has an unsupported extension. */ + function resolvedIfExtensionMatches(extensions, path) { + var ext = ts.tryGetExtensionFromPath(path); + return ext !== undefined && extensionIsOk(extensions, ext) ? { path: path, ext: ext } : undefined; + } + /** True if `extension` is one of the supported `extensions`. */ + function extensionIsOk(extensions, extension) { + switch (extensions) { + case Extensions.JavaScript: + return extension === ".js" /* Extension.Js */ || extension === ".jsx" /* Extension.Jsx */ || extension === ".mjs" /* Extension.Mjs */ || extension === ".cjs" /* Extension.Cjs */; + case Extensions.TSConfig: + case Extensions.Json: + return extension === ".json" /* Extension.Json */; + case Extensions.TypeScript: + return extension === ".ts" /* Extension.Ts */ || extension === ".tsx" /* Extension.Tsx */ || extension === ".mts" /* Extension.Mts */ || extension === ".cts" /* Extension.Cts */ || extension === ".d.ts" /* Extension.Dts */ || extension === ".d.mts" /* Extension.Dmts */ || extension === ".d.cts" /* Extension.Dcts */; + case Extensions.TsOnly: + return extension === ".ts" /* Extension.Ts */ || extension === ".tsx" /* Extension.Tsx */ || extension === ".mts" /* Extension.Mts */ || extension === ".cts" /* Extension.Cts */; + case Extensions.DtsOnly: + return extension === ".d.ts" /* Extension.Dts */ || extension === ".d.mts" /* Extension.Dmts */ || extension === ".d.cts" /* Extension.Dcts */; + } + } + /* @internal */ + function parsePackageName(moduleName) { + var idx = moduleName.indexOf(ts.directorySeparator); + if (moduleName[0] === "@") { + idx = moduleName.indexOf(ts.directorySeparator, idx + 1); + } + return idx === -1 ? { packageName: moduleName, rest: "" } : { packageName: moduleName.slice(0, idx), rest: moduleName.slice(idx + 1) }; + } + ts.parsePackageName = parsePackageName; + /* @internal */ + function allKeysStartWithDot(obj) { + return ts.every(ts.getOwnKeys(obj), function (k) { return ts.startsWith(k, "."); }); + } + ts.allKeysStartWithDot = allKeysStartWithDot; + function noKeyStartsWithDot(obj) { + return !ts.some(ts.getOwnKeys(obj), function (k) { return ts.startsWith(k, "."); }); + } + function loadModuleFromSelfNameReference(extensions, moduleName, directory, state, cache, redirectedReference) { + var _a, _b; + var useCaseSensitiveFileNames = typeof state.host.useCaseSensitiveFileNames === "function" ? state.host.useCaseSensitiveFileNames() : state.host.useCaseSensitiveFileNames; + var directoryPath = ts.toPath(ts.combinePaths(directory, "dummy"), (_b = (_a = state.host).getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(_a), ts.createGetCanonicalFileName(useCaseSensitiveFileNames === undefined ? true : useCaseSensitiveFileNames)); + var scope = getPackageScopeForPath(directoryPath, state.packageJsonInfoCache, state.host, state.compilerOptions); + if (!scope || !scope.packageJsonContent.exports) { + return undefined; + } + if (typeof scope.packageJsonContent.name !== "string") { + return undefined; + } + var parts = ts.getPathComponents(moduleName); // unrooted paths should have `""` as their 0th entry + var nameParts = ts.getPathComponents(scope.packageJsonContent.name); + if (!ts.every(nameParts, function (p, i) { return parts[i] === p; })) { + return undefined; + } + var trailingParts = parts.slice(nameParts.length); + return loadModuleFromExports(scope, extensions, !ts.length(trailingParts) ? "." : ".".concat(ts.directorySeparator).concat(trailingParts.join(ts.directorySeparator)), state, cache, redirectedReference); + } + function loadModuleFromExports(scope, extensions, subpath, state, cache, redirectedReference) { + if (!scope.packageJsonContent.exports) { + return undefined; + } + if (subpath === ".") { + var mainExport = void 0; + if (typeof scope.packageJsonContent.exports === "string" || Array.isArray(scope.packageJsonContent.exports) || (typeof scope.packageJsonContent.exports === "object" && noKeyStartsWithDot(scope.packageJsonContent.exports))) { + mainExport = scope.packageJsonContent.exports; + } + else if (ts.hasProperty(scope.packageJsonContent.exports, ".")) { + mainExport = scope.packageJsonContent.exports["."]; + } + if (mainExport) { + var loadModuleFromTargetImportOrExport = getLoadModuleFromTargetImportOrExport(extensions, state, cache, redirectedReference, subpath, scope, /*isImports*/ false); + return loadModuleFromTargetImportOrExport(mainExport, "", /*pattern*/ false); + } + } + else if (allKeysStartWithDot(scope.packageJsonContent.exports)) { + if (typeof scope.packageJsonContent.exports !== "object") { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Export_specifier_0_does_not_exist_in_package_json_scope_at_path_1, subpath, scope.packageDirectory); + } + return toSearchResult(/*value*/ undefined); + } + var result = loadModuleFromImportsOrExports(extensions, state, cache, redirectedReference, subpath, scope.packageJsonContent.exports, scope, /*isImports*/ false); + if (result) { + return result; + } + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Export_specifier_0_does_not_exist_in_package_json_scope_at_path_1, subpath, scope.packageDirectory); + } + return toSearchResult(/*value*/ undefined); + } + function loadModuleFromImports(extensions, moduleName, directory, state, cache, redirectedReference) { + var _a, _b; + if (moduleName === "#" || ts.startsWith(moduleName, "#/")) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Invalid_import_specifier_0_has_no_possible_resolutions, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + var useCaseSensitiveFileNames = typeof state.host.useCaseSensitiveFileNames === "function" ? state.host.useCaseSensitiveFileNames() : state.host.useCaseSensitiveFileNames; + var directoryPath = ts.toPath(ts.combinePaths(directory, "dummy"), (_b = (_a = state.host).getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(_a), ts.createGetCanonicalFileName(useCaseSensitiveFileNames === undefined ? true : useCaseSensitiveFileNames)); + var scope = getPackageScopeForPath(directoryPath, state.packageJsonInfoCache, state.host, state.compilerOptions); + if (!scope) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Directory_0_has_no_containing_package_json_scope_Imports_will_not_resolve, directoryPath); + } + return toSearchResult(/*value*/ undefined); + } + if (!scope.packageJsonContent.imports) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_no_imports_defined, scope.packageDirectory); + } + return toSearchResult(/*value*/ undefined); + } + var result = loadModuleFromImportsOrExports(extensions, state, cache, redirectedReference, moduleName, scope.packageJsonContent.imports, scope, /*isImports*/ true); + if (result) { + return result; + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Import_specifier_0_does_not_exist_in_package_json_scope_at_path_1, moduleName, scope.packageDirectory); + } + return toSearchResult(/*value*/ undefined); + } + /** + * From https://github.com/nodejs/node/blob/8f39f51cbbd3b2de14b9ee896e26421cc5b20121/lib/internal/modules/esm/resolve.js#L722 - + * "longest" has some nuance as to what "longest" means in the presence of pattern trailers + */ + function comparePatternKeys(a, b) { + var aPatternIndex = a.indexOf("*"); + var bPatternIndex = b.indexOf("*"); + var baseLenA = aPatternIndex === -1 ? a.length : aPatternIndex + 1; + var baseLenB = bPatternIndex === -1 ? b.length : bPatternIndex + 1; + if (baseLenA > baseLenB) + return -1; + if (baseLenB > baseLenA) + return 1; + if (aPatternIndex === -1) + return 1; + if (bPatternIndex === -1) + return -1; + if (a.length > b.length) + return -1; + if (b.length > a.length) + return 1; + return 0; + } + function loadModuleFromImportsOrExports(extensions, state, cache, redirectedReference, moduleName, lookupTable, scope, isImports) { + var loadModuleFromTargetImportOrExport = getLoadModuleFromTargetImportOrExport(extensions, state, cache, redirectedReference, moduleName, scope, isImports); + if (!ts.endsWith(moduleName, ts.directorySeparator) && moduleName.indexOf("*") === -1 && ts.hasProperty(lookupTable, moduleName)) { + var target = lookupTable[moduleName]; + return loadModuleFromTargetImportOrExport(target, /*subpath*/ "", /*pattern*/ false); + } + var expandingKeys = ts.sort(ts.filter(ts.getOwnKeys(lookupTable), function (k) { return k.indexOf("*") !== -1 || ts.endsWith(k, "/"); }), comparePatternKeys); + for (var _i = 0, expandingKeys_1 = expandingKeys; _i < expandingKeys_1.length; _i++) { + var potentialTarget = expandingKeys_1[_i]; + if (state.features & NodeResolutionFeatures.ExportsPatternTrailers && matchesPatternWithTrailer(potentialTarget, moduleName)) { + var target = lookupTable[potentialTarget]; + var starPos = potentialTarget.indexOf("*"); + var subpath = moduleName.substring(potentialTarget.substring(0, starPos).length, moduleName.length - (potentialTarget.length - 1 - starPos)); + return loadModuleFromTargetImportOrExport(target, subpath, /*pattern*/ true); + } + else if (ts.endsWith(potentialTarget, "*") && ts.startsWith(moduleName, potentialTarget.substring(0, potentialTarget.length - 1))) { + var target = lookupTable[potentialTarget]; + var subpath = moduleName.substring(potentialTarget.length - 1); + return loadModuleFromTargetImportOrExport(target, subpath, /*pattern*/ true); + } + else if (ts.startsWith(moduleName, potentialTarget)) { + var target = lookupTable[potentialTarget]; + var subpath = moduleName.substring(potentialTarget.length); + return loadModuleFromTargetImportOrExport(target, subpath, /*pattern*/ false); + } + } + function matchesPatternWithTrailer(target, name) { + if (ts.endsWith(target, "*")) + return false; // handled by next case in loop + var starPos = target.indexOf("*"); + if (starPos === -1) + return false; // handled by last case in loop + return ts.startsWith(name, target.substring(0, starPos)) && ts.endsWith(name, target.substring(starPos + 1)); + } + } + /** + * Gets the self-recursive function specialized to retrieving the targeted import/export element for the given resolution configuration + */ + function getLoadModuleFromTargetImportOrExport(extensions, state, cache, redirectedReference, moduleName, scope, isImports) { + return loadModuleFromTargetImportOrExport; + function loadModuleFromTargetImportOrExport(target, subpath, pattern) { + if (typeof target === "string") { + if (!pattern && subpath.length > 0 && !ts.endsWith(target, "/")) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_invalid_type_for_target_of_specifier_1, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + if (!ts.startsWith(target, "./")) { + if (isImports && !ts.startsWith(target, "../") && !ts.startsWith(target, "/") && !ts.isRootedDiskPath(target)) { + var combinedLookup = pattern ? target.replace(/\*/g, subpath) : target + subpath; + var result = nodeModuleNameResolverWorker(state.features, combinedLookup, scope.packageDirectory + "/", state.compilerOptions, state.host, cache, [extensions], redirectedReference); + return toSearchResult(result.resolvedModule ? { path: result.resolvedModule.resolvedFileName, extension: result.resolvedModule.extension, packageId: result.resolvedModule.packageId, originalPath: result.resolvedModule.originalPath } : undefined); + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_invalid_type_for_target_of_specifier_1, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + var parts = ts.pathIsRelative(target) ? ts.getPathComponents(target).slice(1) : ts.getPathComponents(target); + var partsAfterFirst = parts.slice(1); + if (partsAfterFirst.indexOf("..") >= 0 || partsAfterFirst.indexOf(".") >= 0 || partsAfterFirst.indexOf("node_modules") >= 0) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_invalid_type_for_target_of_specifier_1, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + var resolvedTarget = ts.combinePaths(scope.packageDirectory, target); + // TODO: Assert that `resolvedTarget` is actually within the package directory? That's what the spec says.... but I'm not sure we need + // to be in the business of validating everyone's import and export map correctness. + var subpathParts = ts.getPathComponents(subpath); + if (subpathParts.indexOf("..") >= 0 || subpathParts.indexOf(".") >= 0 || subpathParts.indexOf("node_modules") >= 0) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_invalid_type_for_target_of_specifier_1, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + var finalPath = toAbsolutePath(pattern ? resolvedTarget.replace(/\*/g, subpath) : resolvedTarget + subpath); + var inputLink = tryLoadInputFileForPath(finalPath, subpath, ts.combinePaths(scope.packageDirectory, "package.json"), isImports); + if (inputLink) + return inputLink; + return toSearchResult(withPackageId(scope, loadJSOrExactTSFileName(extensions, finalPath, /*onlyRecordFailures*/ false, state))); + } + else if (typeof target === "object" && target !== null) { // eslint-disable-line no-null/no-null + if (!Array.isArray(target)) { + for (var _i = 0, _a = ts.getOwnKeys(target); _i < _a.length; _i++) { + var key = _a[_i]; + if (key === "default" || state.conditions.indexOf(key) >= 0 || isApplicableVersionedTypesKey(state.conditions, key)) { + var subTarget = target[key]; + var result = loadModuleFromTargetImportOrExport(subTarget, subpath, pattern); + if (result) { + return result; + } + } + } + return undefined; + } + else { + if (!ts.length(target)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_invalid_type_for_target_of_specifier_1, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + for (var _b = 0, target_2 = target; _b < target_2.length; _b++) { + var elem = target_2[_b]; + var result = loadModuleFromTargetImportOrExport(elem, subpath, pattern); + if (result) { + return result; + } + } + } + } + else if (target === null) { // eslint-disable-line no-null/no-null + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_explicitly_maps_specifier_1_to_null, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_scope_0_has_invalid_type_for_target_of_specifier_1, scope.packageDirectory, moduleName); + } + return toSearchResult(/*value*/ undefined); + function toAbsolutePath(path) { + var _a, _b; + if (path === undefined) + return path; + return ts.hostGetCanonicalFileName({ useCaseSensitiveFileNames: useCaseSensitiveFileNames })(ts.getNormalizedAbsolutePath(path, (_b = (_a = state.host).getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(_a))); + } + function combineDirectoryPath(root, dir) { + return ts.ensureTrailingDirectorySeparator(ts.combinePaths(root, dir)); + } + function useCaseSensitiveFileNames() { + return !state.host.useCaseSensitiveFileNames ? true : + typeof state.host.useCaseSensitiveFileNames === "boolean" ? state.host.useCaseSensitiveFileNames : + state.host.useCaseSensitiveFileNames(); + } + function tryLoadInputFileForPath(finalPath, entry, packagePath, isImports) { + var _a, _b, _c, _d; + // Replace any references to outputs for files in the program with the input files to support package self-names used with outDir + // PROBLEM: We don't know how to calculate the output paths yet, because the "common source directory" we use as the base of the file structure + // we reproduce into the output directory is based on the set of input files, which we're still in the process of traversing and resolving! + // _Given that_, we have to guess what the base of the output directory is (obviously the user wrote the export map, so has some idea what it is!). + // We are going to probe _so many_ possible paths. We limit where we'll do this to try to reduce the possibilities of false positive lookups. + if ((extensions === Extensions.TypeScript || extensions === Extensions.JavaScript || extensions === Extensions.Json) + && (state.compilerOptions.declarationDir || state.compilerOptions.outDir) + && finalPath.indexOf("/node_modules/") === -1 + && (state.compilerOptions.configFile ? ts.startsWith(toAbsolutePath(state.compilerOptions.configFile.fileName), scope.packageDirectory) : true)) { + // So that all means we'll only try these guesses for files outside `node_modules` in a directory where the `package.json` and `tsconfig.json` are siblings. + // Even with all that, we still don't know if the root of the output file structure will be (relative to the package file) + // `.`, `./src` or any other deeper directory structure. (If project references are used, it's definitely `.` by fiat, so that should be pretty common.) + var getCanonicalFileName = ts.hostGetCanonicalFileName({ useCaseSensitiveFileNames: useCaseSensitiveFileNames }); + var commonSourceDirGuesses = []; + // A `rootDir` compiler option strongly indicates the root location + // A `composite` project is using project references and has it's common src dir set to `.`, so it shouldn't need to check any other locations + if (state.compilerOptions.rootDir || (state.compilerOptions.composite && state.compilerOptions.configFilePath)) { + var commonDir = toAbsolutePath(ts.getCommonSourceDirectory(state.compilerOptions, function () { return []; }, ((_b = (_a = state.host).getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(_a)) || "", getCanonicalFileName)); + commonSourceDirGuesses.push(commonDir); + } + else if (state.requestContainingDirectory) { + // However without either of those set we're in the dark. Let's say you have + // + // ./tools/index.ts + // ./src/index.ts + // ./dist/index.js + // ./package.json <-- references ./dist/index.js + // ./tsconfig.json <-- loads ./src/index.ts + // + // How do we know `./src` is the common src dir, and not `./tools`, given only the `./dist` out dir and `./dist/index.js` filename? + // Answer: We... don't. We know we're looking for an `index.ts` input file, but we have _no clue_ which subfolder it's supposed to be loaded from + // without more context. + // But we do have more context! Just a tiny bit more! We're resolving an import _for some other input file_! And that input file, too + // must be inside the common source directory! So we propagate that tidbit of info all the way to here via state.requestContainingDirectory + var requestingFile_1 = toAbsolutePath(ts.combinePaths(state.requestContainingDirectory, "index.ts")); + // And we can try every folder above the common folder for the request folder and the config/package base directory + // This technically can be wrong - we may load ./src/index.ts when ./src/sub/index.ts was right because we don't + // know if only `./src/sub` files were loaded by the program; but this has the best chance to be right of just about anything + // else we have. And, given that we're about to load `./src/index.ts` because we choose it as likely correct, there will then + // be a file outside of `./src/sub` in the program (the file we resolved to), making us de-facto right. So this fallback lookup + // logic may influence what files are pulled in by self-names, which in turn influences the output path shape, but it's all + // internally consistent so the paths should be stable so long as we prefer the "most general" (meaning: top-most-level directory) possible results first. + var commonDir = toAbsolutePath(ts.getCommonSourceDirectory(state.compilerOptions, function () { return [requestingFile_1, toAbsolutePath(packagePath)]; }, ((_d = (_c = state.host).getCurrentDirectory) === null || _d === void 0 ? void 0 : _d.call(_c)) || "", getCanonicalFileName)); + commonSourceDirGuesses.push(commonDir); + var fragment = ts.ensureTrailingDirectorySeparator(commonDir); + while (fragment && fragment.length > 1) { + var parts = ts.getPathComponents(fragment); + parts.pop(); // remove a directory + var commonDir_1 = ts.getPathFromPathComponents(parts); + commonSourceDirGuesses.unshift(commonDir_1); + fragment = ts.ensureTrailingDirectorySeparator(commonDir_1); + } + } + if (commonSourceDirGuesses.length > 1) { + state.reportDiagnostic(ts.createCompilerDiagnostic(isImports + ? ts.Diagnostics.The_project_root_is_ambiguous_but_is_required_to_resolve_import_map_entry_0_in_file_1_Supply_the_rootDir_compiler_option_to_disambiguate + : ts.Diagnostics.The_project_root_is_ambiguous_but_is_required_to_resolve_export_map_entry_0_in_file_1_Supply_the_rootDir_compiler_option_to_disambiguate, entry === "" ? "." : entry, // replace empty string with `.` - the reverse of the operation done when entries are built - so main entrypoint errors don't look weird + packagePath)); + } + for (var _i = 0, commonSourceDirGuesses_1 = commonSourceDirGuesses; _i < commonSourceDirGuesses_1.length; _i++) { + var commonSourceDirGuess = commonSourceDirGuesses_1[_i]; + var candidateDirectories = getOutputDirectoriesForBaseDirectory(commonSourceDirGuess); + for (var _e = 0, candidateDirectories_1 = candidateDirectories; _e < candidateDirectories_1.length; _e++) { + var candidateDir = candidateDirectories_1[_e]; + if (ts.startsWith(finalPath, candidateDir)) { + // The matched export is looking up something in either the out declaration or js dir, now map the written path back into the source dir and source extension + var pathFragment = finalPath.slice(candidateDir.length + 1); // +1 to also remove directory seperator + var possibleInputBase = ts.combinePaths(commonSourceDirGuess, pathFragment); + var jsAndDtsExtensions = [".mjs" /* Extension.Mjs */, ".cjs" /* Extension.Cjs */, ".js" /* Extension.Js */, ".json" /* Extension.Json */, ".d.mts" /* Extension.Dmts */, ".d.cts" /* Extension.Dcts */, ".d.ts" /* Extension.Dts */]; + for (var _f = 0, jsAndDtsExtensions_1 = jsAndDtsExtensions; _f < jsAndDtsExtensions_1.length; _f++) { + var ext = jsAndDtsExtensions_1[_f]; + if (ts.fileExtensionIs(possibleInputBase, ext)) { + var inputExts = ts.getPossibleOriginalInputExtensionForExtension(possibleInputBase); + for (var _g = 0, inputExts_1 = inputExts; _g < inputExts_1.length; _g++) { + var possibleExt = inputExts_1[_g]; + var possibleInputWithInputExtension = ts.changeAnyExtension(possibleInputBase, possibleExt, ext, !useCaseSensitiveFileNames()); + if ((extensions === Extensions.TypeScript && ts.hasJSFileExtension(possibleInputWithInputExtension)) || + (extensions === Extensions.JavaScript && ts.hasTSFileExtension(possibleInputWithInputExtension))) { + continue; + } + if (state.host.fileExists(possibleInputWithInputExtension)) { + return toSearchResult(withPackageId(scope, loadJSOrExactTSFileName(extensions, possibleInputWithInputExtension, /*onlyRecordFailures*/ false, state))); + } + } + } + } + } + } + } + } + return undefined; + function getOutputDirectoriesForBaseDirectory(commonSourceDirGuess) { + var _a, _b; + // Config file ouput paths are processed to be relative to the host's current directory, while + // otherwise the paths are resolved relative to the common source dir the compiler puts together + var currentDir = state.compilerOptions.configFile ? ((_b = (_a = state.host).getCurrentDirectory) === null || _b === void 0 ? void 0 : _b.call(_a)) || "" : commonSourceDirGuess; + var candidateDirectories = []; + if (state.compilerOptions.declarationDir) { + candidateDirectories.push(toAbsolutePath(combineDirectoryPath(currentDir, state.compilerOptions.declarationDir))); + } + if (state.compilerOptions.outDir && state.compilerOptions.outDir !== state.compilerOptions.declarationDir) { + candidateDirectories.push(toAbsolutePath(combineDirectoryPath(currentDir, state.compilerOptions.outDir))); + } + return candidateDirectories; + } + } + } + } + /* @internal */ + function isApplicableVersionedTypesKey(conditions, key) { + if (conditions.indexOf("types") === -1) + return false; // only apply versioned types conditions if the types condition is applied + if (!ts.startsWith(key, "types@")) + return false; + var range = ts.VersionRange.tryParse(key.substring("types@".length)); + if (!range) + return false; + return range.test(ts.version); + } + ts.isApplicableVersionedTypesKey = isApplicableVersionedTypesKey; + function loadModuleFromNearestNodeModulesDirectory(extensions, moduleName, directory, state, cache, redirectedReference) { + return loadModuleFromNearestNodeModulesDirectoryWorker(extensions, moduleName, directory, state, /*typesScopeOnly*/ false, cache, redirectedReference); + } + function loadModuleFromNearestNodeModulesDirectoryTypesScope(moduleName, directory, state) { + // Extensions parameter here doesn't actually matter, because typesOnly ensures we're just doing @types lookup, which is always DtsOnly. + return loadModuleFromNearestNodeModulesDirectoryWorker(Extensions.DtsOnly, moduleName, directory, state, /*typesScopeOnly*/ true, /*cache*/ undefined, /*redirectedReference*/ undefined); + } + function loadModuleFromNearestNodeModulesDirectoryWorker(extensions, moduleName, directory, state, typesScopeOnly, cache, redirectedReference) { + var perModuleNameCache = cache && cache.getOrCreateCacheForModuleName(moduleName, state.features === 0 ? undefined : state.features & NodeResolutionFeatures.EsmMode ? ts.ModuleKind.ESNext : ts.ModuleKind.CommonJS, redirectedReference); + return ts.forEachAncestorDirectory(ts.normalizeSlashes(directory), function (ancestorDirectory) { + if (ts.getBaseFileName(ancestorDirectory) !== "node_modules") { + var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache, moduleName, ancestorDirectory, state); + if (resolutionFromCache) { + return resolutionFromCache; + } + return toSearchResult(loadModuleFromImmediateNodeModulesDirectory(extensions, moduleName, ancestorDirectory, state, typesScopeOnly, cache, redirectedReference)); + } + }); + } + function loadModuleFromImmediateNodeModulesDirectory(extensions, moduleName, directory, state, typesScopeOnly, cache, redirectedReference) { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = ts.directoryProbablyExists(nodeModulesFolder, state.host); + if (!nodeModulesFolderExists && state.traceEnabled) { + trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesFolder); + } + var packageResult = typesScopeOnly ? undefined : loadModuleFromSpecificNodeModulesDirectory(extensions, moduleName, nodeModulesFolder, nodeModulesFolderExists, state, cache, redirectedReference); + if (packageResult) { + return packageResult; + } + if (extensions === Extensions.TypeScript || extensions === Extensions.DtsOnly) { + var nodeModulesAtTypes_1 = ts.combinePaths(nodeModulesFolder, "@types"); + var nodeModulesAtTypesExists = nodeModulesFolderExists; + if (nodeModulesFolderExists && !ts.directoryProbablyExists(nodeModulesAtTypes_1, state.host)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesAtTypes_1); + } + nodeModulesAtTypesExists = false; + } + return loadModuleFromSpecificNodeModulesDirectory(Extensions.DtsOnly, mangleScopedPackageNameWithTrace(moduleName, state), nodeModulesAtTypes_1, nodeModulesAtTypesExists, state, cache, redirectedReference); + } + } + function loadModuleFromSpecificNodeModulesDirectory(extensions, moduleName, nodeModulesDirectory, nodeModulesDirectoryExists, state, cache, redirectedReference) { + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesDirectory, moduleName)); + // First look for a nested package.json, as in `node_modules/foo/bar/package.json`. + var packageInfo = getPackageJsonInfo(candidate, !nodeModulesDirectoryExists, state); + // But only if we're not respecting export maps (if we are, we might redirect around this location) + if (!(state.features & NodeResolutionFeatures.Exports)) { + if (packageInfo) { + var fromFile = loadModuleFromFile(extensions, candidate, !nodeModulesDirectoryExists, state); + if (fromFile) { + return noPackageId(fromFile); + } + var fromDirectory = loadNodeModuleFromDirectoryWorker(extensions, candidate, !nodeModulesDirectoryExists, state, packageInfo.packageJsonContent, packageInfo.versionPaths); + return withPackageId(packageInfo, fromDirectory); + } + } + var _a = parsePackageName(moduleName), packageName = _a.packageName, rest = _a.rest; + var loader = function (extensions, candidate, onlyRecordFailures, state) { + var _a; + // package exports are higher priority than file/directory lookups (and, if there's exports present, blocks them) + if (packageInfo && packageInfo.packageJsonContent.exports && state.features & NodeResolutionFeatures.Exports) { + return (_a = loadModuleFromExports(packageInfo, extensions, ts.combinePaths(".", rest), state, cache, redirectedReference)) === null || _a === void 0 ? void 0 : _a.value; + } + var pathAndExtension = loadModuleFromFile(extensions, candidate, onlyRecordFailures, state) || + loadNodeModuleFromDirectoryWorker(extensions, candidate, onlyRecordFailures, state, packageInfo && packageInfo.packageJsonContent, packageInfo && packageInfo.versionPaths); + if (!pathAndExtension && packageInfo + // eslint-disable-next-line no-null/no-null + && (packageInfo.packageJsonContent.exports === undefined || packageInfo.packageJsonContent.exports === null) + && state.features & NodeResolutionFeatures.EsmMode) { + // EsmMode disables index lookup in `loadNodeModuleFromDirectoryWorker` generally, however non-relative package resolutions still assume + // a default `index.js` entrypoint if no `main` or `exports` are present + pathAndExtension = loadModuleFromFile(extensions, ts.combinePaths(candidate, "index.js"), onlyRecordFailures, state); + } + return withPackageId(packageInfo, pathAndExtension); + }; + if (rest !== "") { // If "rest" is empty, we just did this search above. + var packageDirectory = ts.combinePaths(nodeModulesDirectory, packageName); + // Don't use a "types" or "main" from here because we're not loading the root, but a subdirectory -- just here for the packageId and path mappings. + packageInfo = getPackageJsonInfo(packageDirectory, !nodeModulesDirectoryExists, state); + if (packageInfo && packageInfo.versionPaths) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_match_module_name_2, packageInfo.versionPaths.version, ts.version, rest); + } + var packageDirectoryExists = nodeModulesDirectoryExists && ts.directoryProbablyExists(packageDirectory, state.host); + var fromPaths = tryLoadModuleUsingPaths(extensions, rest, packageDirectory, packageInfo.versionPaths.paths, /*pathPatterns*/ undefined, loader, !packageDirectoryExists, state); + if (fromPaths) { + return fromPaths.value; + } + } + } + return loader(extensions, candidate, !nodeModulesDirectoryExists, state); + } + function tryLoadModuleUsingPaths(extensions, moduleName, baseDirectory, paths, pathPatterns, loader, onlyRecordFailures, state) { + pathPatterns || (pathPatterns = ts.tryParsePatterns(paths)); + var matchedPattern = ts.matchPatternOrExact(pathPatterns, moduleName); + if (matchedPattern) { + var matchedStar_1 = ts.isString(matchedPattern) ? undefined : ts.matchedText(matchedPattern, moduleName); + var matchedPatternText = ts.isString(matchedPattern) ? matchedPattern : ts.patternText(matchedPattern); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText); + } + var resolved = ts.forEach(paths[matchedPatternText], function (subst) { + var path = matchedStar_1 ? subst.replace("*", matchedStar_1) : subst; + // When baseUrl is not specified, the command line parser resolves relative paths to the config file location. + var candidate = ts.normalizePath(ts.combinePaths(baseDirectory, path)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path); + } + // A path mapping may have an extension, in contrast to an import, which should omit it. + var extension = ts.tryGetExtensionFromPath(subst); + if (extension !== undefined) { + var path_1 = tryFile(candidate, onlyRecordFailures, state); + if (path_1 !== undefined) { + return noPackageId({ path: path_1, ext: extension }); + } + } + return loader(extensions, candidate, onlyRecordFailures || !ts.directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); + }); + return { value: resolved }; + } + } + /** Double underscores are used in DefinitelyTyped to delimit scoped packages. */ + var mangledScopedPackageSeparator = "__"; + /** For a scoped package, we must look in `@types/foo__bar` instead of `@types/@foo/bar`. */ + function mangleScopedPackageNameWithTrace(packageName, state) { + var mangled = mangleScopedPackageName(packageName); + if (state.traceEnabled && mangled !== packageName) { + trace(state.host, ts.Diagnostics.Scoped_package_detected_looking_in_0, mangled); + } + return mangled; + } + /* @internal */ + function getTypesPackageName(packageName) { + return "@types/".concat(mangleScopedPackageName(packageName)); + } + ts.getTypesPackageName = getTypesPackageName; + /* @internal */ + function mangleScopedPackageName(packageName) { + if (ts.startsWith(packageName, "@")) { + var replaceSlash = packageName.replace(ts.directorySeparator, mangledScopedPackageSeparator); + if (replaceSlash !== packageName) { + return replaceSlash.slice(1); // Take off the "@" + } + } + return packageName; + } + ts.mangleScopedPackageName = mangleScopedPackageName; + /* @internal */ + function getPackageNameFromTypesPackageName(mangledName) { + var withoutAtTypePrefix = ts.removePrefix(mangledName, "@types/"); + if (withoutAtTypePrefix !== mangledName) { + return unmangleScopedPackageName(withoutAtTypePrefix); + } + return mangledName; + } + ts.getPackageNameFromTypesPackageName = getPackageNameFromTypesPackageName; + /* @internal */ + function unmangleScopedPackageName(typesPackageName) { + return ts.stringContains(typesPackageName, mangledScopedPackageSeparator) ? + "@" + typesPackageName.replace(mangledScopedPackageSeparator, ts.directorySeparator) : + typesPackageName; + } + ts.unmangleScopedPackageName = unmangleScopedPackageName; + function tryFindNonRelativeModuleNameInCache(cache, moduleName, containingDirectory, state) { + var result = cache && cache.get(containingDirectory); + if (result) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache_from_location_1, moduleName, containingDirectory); + } + state.resultFromCache = result; + return { value: result.resolvedModule && { path: result.resolvedModule.resolvedFileName, originalPath: result.resolvedModule.originalPath || true, extension: result.resolvedModule.extension, packageId: result.resolvedModule.packageId } }; + } + } + function classicNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + var failedLookupLocations = []; + var containingDirectory = ts.getDirectoryPath(containingFile); + var diagnostics = []; + var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, failedLookupLocations: failedLookupLocations, packageJsonInfoCache: cache, features: NodeResolutionFeatures.None, conditions: [], requestContainingDirectory: containingDirectory, reportDiagnostic: function (diag) { return void diagnostics.push(diag); } }; + var resolved = tryResolve(Extensions.TypeScript) || tryResolve(Extensions.JavaScript); + // No originalPath because classic resolution doesn't resolve realPath + return createResolvedModuleWithFailedLookupLocations(resolved && resolved.value, /*isExternalLibraryImport*/ false, failedLookupLocations, diagnostics, state.resultFromCache); + function tryResolve(extensions) { + var resolvedUsingSettings = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loadModuleFromFileNoPackageId, state); + if (resolvedUsingSettings) { + return { value: resolvedUsingSettings }; + } + if (!ts.isExternalModuleNameRelative(moduleName)) { + var perModuleNameCache_1 = cache && cache.getOrCreateCacheForModuleName(moduleName, /*mode*/ undefined, redirectedReference); + // Climb up parent directories looking for a module. + var resolved_3 = ts.forEachAncestorDirectory(containingDirectory, function (directory) { + var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache_1, moduleName, directory, state); + if (resolutionFromCache) { + return resolutionFromCache; + } + var searchName = ts.normalizePath(ts.combinePaths(directory, moduleName)); + return toSearchResult(loadModuleFromFileNoPackageId(extensions, searchName, /*onlyRecordFailures*/ false, state)); + }); + if (resolved_3) { + return resolved_3; + } + if (extensions === Extensions.TypeScript) { + // If we didn't find the file normally, look it up in @types. + return loadModuleFromNearestNodeModulesDirectoryTypesScope(moduleName, containingDirectory, state); + } + } + else { + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + return toSearchResult(loadModuleFromFileNoPackageId(extensions, candidate, /*onlyRecordFailures*/ false, state)); + } + } + } + ts.classicNameResolver = classicNameResolver; + /** + * A host may load a module from a global cache of typings. + * This is the minumum code needed to expose that functionality; the rest is in the host. + */ + /* @internal */ + function loadModuleFromGlobalCache(moduleName, projectName, compilerOptions, host, globalCache, packageJsonInfoCache) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + if (traceEnabled) { + trace(host, ts.Diagnostics.Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2, projectName, moduleName, globalCache); + } + var failedLookupLocations = []; + var diagnostics = []; + var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, failedLookupLocations: failedLookupLocations, packageJsonInfoCache: packageJsonInfoCache, features: NodeResolutionFeatures.None, conditions: [], requestContainingDirectory: undefined, reportDiagnostic: function (diag) { return void diagnostics.push(diag); } }; + var resolved = loadModuleFromImmediateNodeModulesDirectory(Extensions.DtsOnly, moduleName, globalCache, state, /*typesScopeOnly*/ false, /*cache*/ undefined, /*redirectedReference*/ undefined); + return createResolvedModuleWithFailedLookupLocations(resolved, /*isExternalLibraryImport*/ true, failedLookupLocations, diagnostics, state.resultFromCache); + } + ts.loadModuleFromGlobalCache = loadModuleFromGlobalCache; + /** + * Wraps value to SearchResult. + * @returns undefined if value is undefined or { value } otherwise + */ + function toSearchResult(value) { + return value !== undefined ? { value: value } : undefined; + } +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var ModuleInstanceState; + (function (ModuleInstanceState) { + ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; + ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; + ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; + })(ModuleInstanceState = ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); + function getModuleInstanceState(node, visited) { + if (node.body && !node.body.parent) { + // getModuleInstanceStateForAliasTarget needs to walk up the parent chain, so parent pointers must be set on this tree already + ts.setParent(node.body, node); + ts.setParentRecursive(node.body, /*incremental*/ false); + } + return node.body ? getModuleInstanceStateCached(node.body, visited) : 1 /* ModuleInstanceState.Instantiated */; + } + ts.getModuleInstanceState = getModuleInstanceState; + function getModuleInstanceStateCached(node, visited) { + if (visited === void 0) { visited = new ts.Map(); } + var nodeId = ts.getNodeId(node); + if (visited.has(nodeId)) { + return visited.get(nodeId) || 0 /* ModuleInstanceState.NonInstantiated */; + } + visited.set(nodeId, undefined); + var result = getModuleInstanceStateWorker(node, visited); + visited.set(nodeId, result); + return result; + } + function getModuleInstanceStateWorker(node, visited) { + // A module is uninstantiated if it contains only + switch (node.kind) { + // 1. interface declarations, type alias declarations + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return 0 /* ModuleInstanceState.NonInstantiated */; + // 2. const enum declarations + case 260 /* SyntaxKind.EnumDeclaration */: + if (ts.isEnumConst(node)) { + return 2 /* ModuleInstanceState.ConstEnumOnly */; + } + break; + // 3. non-exported import declarations + case 266 /* SyntaxKind.ImportDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + if (!(ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */))) { + return 0 /* ModuleInstanceState.NonInstantiated */; + } + break; + // 4. Export alias declarations pointing at only uninstantiated modules or things uninstantiated modules contain + case 272 /* SyntaxKind.ExportDeclaration */: + var exportDeclaration = node; + if (!exportDeclaration.moduleSpecifier && exportDeclaration.exportClause && exportDeclaration.exportClause.kind === 273 /* SyntaxKind.NamedExports */) { + var state = 0 /* ModuleInstanceState.NonInstantiated */; + for (var _i = 0, _a = exportDeclaration.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + var specifierState = getModuleInstanceStateForAliasTarget(specifier, visited); + if (specifierState > state) { + state = specifierState; + } + if (state === 1 /* ModuleInstanceState.Instantiated */) { + return state; + } + } + return state; + } + break; + // 5. other uninstantiated module declarations. + case 262 /* SyntaxKind.ModuleBlock */: { + var state_1 = 0 /* ModuleInstanceState.NonInstantiated */; + ts.forEachChild(node, function (n) { + var childState = getModuleInstanceStateCached(n, visited); + switch (childState) { + case 0 /* ModuleInstanceState.NonInstantiated */: + // child is non-instantiated - continue searching + return; + case 2 /* ModuleInstanceState.ConstEnumOnly */: + // child is const enum only - record state and continue searching + state_1 = 2 /* ModuleInstanceState.ConstEnumOnly */; + return; + case 1 /* ModuleInstanceState.Instantiated */: + // child is instantiated - record state and stop + state_1 = 1 /* ModuleInstanceState.Instantiated */; + return true; + default: + ts.Debug.assertNever(childState); + } + }); + return state_1; + } + case 261 /* SyntaxKind.ModuleDeclaration */: + return getModuleInstanceState(node, visited); + case 79 /* SyntaxKind.Identifier */: + // Only jsdoc typedef definition can exist in jsdoc namespace, and it should + // be considered the same as type alias + if (node.isInJSDocNamespace) { + return 0 /* ModuleInstanceState.NonInstantiated */; + } + } + return 1 /* ModuleInstanceState.Instantiated */; + } + function getModuleInstanceStateForAliasTarget(specifier, visited) { + var name = specifier.propertyName || specifier.name; + var p = specifier.parent; + while (p) { + if (ts.isBlock(p) || ts.isModuleBlock(p) || ts.isSourceFile(p)) { + var statements = p.statements; + var found = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (ts.nodeHasName(statement, name)) { + if (!statement.parent) { + ts.setParent(statement, p); + ts.setParentRecursive(statement, /*incremental*/ false); + } + var state = getModuleInstanceStateCached(statement, visited); + if (found === undefined || state > found) { + found = state; + } + if (found === 1 /* ModuleInstanceState.Instantiated */) { + return found; + } + } + } + if (found !== undefined) { + return found; + } + } + p = p.parent; + } + return 1 /* ModuleInstanceState.Instantiated */; // Couldn't locate, assume could refer to a value + } + var ContainerFlags; + (function (ContainerFlags) { + // The current node is not a container, and no container manipulation should happen before + // recursing into it. + ContainerFlags[ContainerFlags["None"] = 0] = "None"; + // The current node is a container. It should be set as the current container (and block- + // container) before recursing into it. The current node does not have locals. Examples: + // + // Classes, ObjectLiterals, TypeLiterals, Interfaces... + ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; + // The current node is a block-scoped-container. It should be set as the current block- + // container before recursing into it. Examples: + // + // Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements... + ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; + // The current node is the container of a control flow path. The current control flow should + // be saved and restored, and a new control flow initialized within the container. + ContainerFlags[ContainerFlags["IsControlFlowContainer"] = 4] = "IsControlFlowContainer"; + ContainerFlags[ContainerFlags["IsFunctionLike"] = 8] = "IsFunctionLike"; + ContainerFlags[ContainerFlags["IsFunctionExpression"] = 16] = "IsFunctionExpression"; + ContainerFlags[ContainerFlags["HasLocals"] = 32] = "HasLocals"; + ContainerFlags[ContainerFlags["IsInterface"] = 64] = "IsInterface"; + ContainerFlags[ContainerFlags["IsObjectLiteralOrClassExpressionMethodOrAccessor"] = 128] = "IsObjectLiteralOrClassExpressionMethodOrAccessor"; + })(ContainerFlags || (ContainerFlags = {})); + function initFlowNode(node) { + ts.Debug.attachFlowNodeDebugInfo(node); + return node; + } + var binder = createBinder(); + function bindSourceFile(file, options) { + ts.performance.mark("beforeBind"); + ts.perfLogger.logStartBindFile("" + file.fileName); + binder(file, options); + ts.perfLogger.logStopBindFile(); + ts.performance.mark("afterBind"); + ts.performance.measure("Bind", "beforeBind", "afterBind"); + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var languageVersion; + var parent; + var container; + var thisParentContainer; // Container one level up + var blockScopeContainer; + var lastContainer; + var delayedTypeAliases; + var seenThisKeyword; + // state used by control flow analysis + var currentFlow; + var currentBreakTarget; + var currentContinueTarget; + var currentReturnTarget; + var currentTrueTarget; + var currentFalseTarget; + var currentExceptionTarget; + var preSwitchCaseFlow; + var activeLabelList; + var hasExplicitReturn; + // state used for emit helpers + var emitFlags; + // If this file is an external module, then it is automatically in strict-mode according to + // ES6. If it is not an external module, then we'll determine if it is in strict mode or + // not depending on if we see "use strict" in certain places or if we hit a class/namespace + // or if compiler options contain alwaysStrict. + var inStrictMode; + // If we are binding an assignment pattern, we will bind certain expressions differently. + var inAssignmentPattern = false; + var symbolCount = 0; + var Symbol; + var classifiableNames; + var unreachableFlow = { flags: 1 /* FlowFlags.Unreachable */ }; + var reportedUnreachableFlow = { flags: 1 /* FlowFlags.Unreachable */ }; + var bindBinaryExpressionFlow = createBindBinaryExpressionFlow(); + /** + * Inside the binder, we may create a diagnostic for an as-yet unbound node (with potentially no parent pointers, implying no accessible source file) + * If so, the node _must_ be in the current file (as that's the only way anything could have traversed to it to yield it as the error node) + * This version of `createDiagnosticForNode` uses the binder's context to account for this, and always yields correct diagnostics even in these situations. + */ + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + return ts.createDiagnosticForNodeInSourceFile(ts.getSourceFileOfNode(node) || file, node, message, arg0, arg1, arg2); + } + function bindSourceFile(f, opts) { + file = f; + options = opts; + languageVersion = ts.getEmitScriptTarget(options); + inStrictMode = bindInStrictMode(file, opts); + classifiableNames = new ts.Set(); + symbolCount = 0; + Symbol = ts.objectAllocator.getSymbolConstructor(); + // Attach debugging information if necessary + ts.Debug.attachFlowNodeDebugInfo(unreachableFlow); + ts.Debug.attachFlowNodeDebugInfo(reportedUnreachableFlow); + if (!file.locals) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("bind" /* tracing.Phase.Bind */, "bindSourceFile", { path: file.path }, /*separateBeginAndEnd*/ true); + bind(file); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + delayedBindJSDocTypedefTag(); + } + file = undefined; + options = undefined; + languageVersion = undefined; + parent = undefined; + container = undefined; + thisParentContainer = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + delayedTypeAliases = undefined; + seenThisKeyword = false; + currentFlow = undefined; + currentBreakTarget = undefined; + currentContinueTarget = undefined; + currentReturnTarget = undefined; + currentTrueTarget = undefined; + currentFalseTarget = undefined; + currentExceptionTarget = undefined; + activeLabelList = undefined; + hasExplicitReturn = false; + inAssignmentPattern = false; + emitFlags = 0 /* NodeFlags.None */; + } + return bindSourceFile; + function bindInStrictMode(file, opts) { + if (ts.getStrictOptionValue(opts, "alwaysStrict") && !file.isDeclarationFile) { + // bind in strict mode source files with alwaysStrict option + return true; + } + else { + return !!file.externalModuleIndicator; + } + } + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + symbol.declarations = ts.appendIfUnique(symbol.declarations, node); + if (symbolFlags & (32 /* SymbolFlags.Class */ | 384 /* SymbolFlags.Enum */ | 1536 /* SymbolFlags.Module */ | 3 /* SymbolFlags.Variable */) && !symbol.exports) { + symbol.exports = ts.createSymbolTable(); + } + if (symbolFlags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */ | 2048 /* SymbolFlags.TypeLiteral */ | 4096 /* SymbolFlags.ObjectLiteral */) && !symbol.members) { + symbol.members = ts.createSymbolTable(); + } + // On merge of const enum module with class or function, reset const enum only flag (namespaces will already recalculate) + if (symbol.constEnumOnlyModule && (symbol.flags & (16 /* SymbolFlags.Function */ | 32 /* SymbolFlags.Class */ | 256 /* SymbolFlags.RegularEnum */))) { + symbol.constEnumOnlyModule = false; + } + if (symbolFlags & 111551 /* SymbolFlags.Value */) { + ts.setValueDeclaration(symbol, node); + } + } + // Should not be called on a declaration with a computed property name, + // unless it is a well known Symbol. + function getDeclarationName(node) { + if (node.kind === 271 /* SyntaxKind.ExportAssignment */) { + return node.isExportEquals ? "export=" /* InternalSymbolName.ExportEquals */ : "default" /* InternalSymbolName.Default */; + } + var name = ts.getNameOfDeclaration(node); + if (name) { + if (ts.isAmbientModule(node)) { + var moduleName = ts.getTextOfIdentifierOrLiteral(name); + return (ts.isGlobalScopeAugmentation(node) ? "__global" : "\"".concat(moduleName, "\"")); + } + if (name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + var nameExpression = name.expression; + // treat computed property names where expression is string/numeric literal as just string/numeric literal + if (ts.isStringOrNumericLiteralLike(nameExpression)) { + return ts.escapeLeadingUnderscores(nameExpression.text); + } + if (ts.isSignedNumericLiteral(nameExpression)) { + return ts.tokenToString(nameExpression.operator) + nameExpression.operand.text; + } + else { + ts.Debug.fail("Only computed properties with literal names have declaration names"); + } + } + if (ts.isPrivateIdentifier(name)) { + // containingClass exists because private names only allowed inside classes + var containingClass = ts.getContainingClass(node); + if (!containingClass) { + // we can get here in cases where there is already a parse error. + return undefined; + } + var containingClassSymbol = containingClass.symbol; + return ts.getSymbolNameForPrivateIdentifier(containingClassSymbol, name.escapedText); + } + return ts.isPropertyNameLiteral(name) ? ts.getEscapedTextOfIdentifierOrLiteral(name) : undefined; + } + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + return "__constructor" /* InternalSymbolName.Constructor */; + case 179 /* SyntaxKind.FunctionType */: + case 174 /* SyntaxKind.CallSignature */: + case 323 /* SyntaxKind.JSDocSignature */: + return "__call" /* InternalSymbolName.Call */; + case 180 /* SyntaxKind.ConstructorType */: + case 175 /* SyntaxKind.ConstructSignature */: + return "__new" /* InternalSymbolName.New */; + case 176 /* SyntaxKind.IndexSignature */: + return "__index" /* InternalSymbolName.Index */; + case 272 /* SyntaxKind.ExportDeclaration */: + return "__export" /* InternalSymbolName.ExportStar */; + case 305 /* SyntaxKind.SourceFile */: + // json file should behave as + // module.exports = ... + return "export=" /* InternalSymbolName.ExportEquals */; + case 221 /* SyntaxKind.BinaryExpression */: + if (ts.getAssignmentDeclarationKind(node) === 2 /* AssignmentDeclarationKind.ModuleExports */) { + // module.exports = ... + return "export=" /* InternalSymbolName.ExportEquals */; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 317 /* SyntaxKind.JSDocFunctionType */: + return (ts.isJSDocConstructSignature(node) ? "__new" /* InternalSymbolName.New */ : "__call" /* InternalSymbolName.Call */); + case 164 /* SyntaxKind.Parameter */: + // Parameters with names are handled at the top of this function. Parameters + // without names can only come from JSDocFunctionTypes. + ts.Debug.assert(node.parent.kind === 317 /* SyntaxKind.JSDocFunctionType */, "Impossible parameter parent kind", function () { return "parent is: ".concat(ts.SyntaxKind ? ts.SyntaxKind[node.parent.kind] : node.parent.kind, ", expected JSDocFunctionType"); }); + var functionType = node.parent; + var index = functionType.parameters.indexOf(node); + return "arg" + index; + } + } + function getDisplayName(node) { + return ts.isNamedDeclaration(node) ? ts.declarationNameToString(node.name) : ts.unescapeLeadingUnderscores(ts.Debug.checkDefined(getDeclarationName(node))); + } + /** + * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. + * @param symbolTable - The symbol table which node will be added to. + * @param parent - node's parent declaration. + * @param node - The declaration to be added to the symbol table + * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) + * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations. + */ + function declareSymbol(symbolTable, parent, node, includes, excludes, isReplaceableByMethod, isComputedName) { + ts.Debug.assert(isComputedName || !ts.hasDynamicName(node)); + var isDefaultExport = ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */) || ts.isExportSpecifier(node) && node.name.escapedText === "default"; + // The exported symbol for an export default function/class node is always named "default" + var name = isComputedName ? "__computed" /* InternalSymbolName.Computed */ + : isDefaultExport && parent ? "default" /* InternalSymbolName.Default */ + : getDeclarationName(node); + var symbol; + if (name === undefined) { + symbol = createSymbol(0 /* SymbolFlags.None */, "__missing" /* InternalSymbolName.Missing */); + } + else { + // Check and see if the symbol table already has a symbol with this name. If not, + // create a new symbol with this name and add it to the table. Note that we don't + // give the new symbol any flags *yet*. This ensures that it will not conflict + // with the 'excludes' flags we pass in. + // + // If we do get an existing symbol, see if it conflicts with the new symbol we're + // creating. For example, a 'var' symbol and a 'class' symbol will conflict within + // the same symbol table. If we have a conflict, report the issue on each + // declaration we have for this symbol, and then create a new symbol for this + // declaration. + // + // Note that when properties declared in Javascript constructors + // (marked by isReplaceableByMethod) conflict with another symbol, the property loses. + // Always. This allows the common Javascript pattern of overwriting a prototype method + // with an bound instance method of the same type: `this.method = this.method.bind(this)` + // + // If we created a new symbol, either because we didn't have a symbol with this name + // in the symbol table, or we conflicted with an existing symbol, then just add this + // node as the sole declaration of the new symbol. + // + // Otherwise, we'll be merging into a compatible existing symbol (for example when + // you have multiple 'vars' with the same name in the same container). In this case + // just add this node into the declarations list of the symbol. + symbol = symbolTable.get(name); + if (includes & 2885600 /* SymbolFlags.Classifiable */) { + classifiableNames.add(name); + } + if (!symbol) { + symbolTable.set(name, symbol = createSymbol(0 /* SymbolFlags.None */, name)); + if (isReplaceableByMethod) + symbol.isReplaceableByMethod = true; + } + else if (isReplaceableByMethod && !symbol.isReplaceableByMethod) { + // A symbol already exists, so don't add this as a declaration. + return symbol; + } + else if (symbol.flags & excludes) { + if (symbol.isReplaceableByMethod) { + // Javascript constructor-declared symbols can be discarded in favor of + // prototype symbols like methods. + symbolTable.set(name, symbol = createSymbol(0 /* SymbolFlags.None */, name)); + } + else if (!(includes & 3 /* SymbolFlags.Variable */ && symbol.flags & 67108864 /* SymbolFlags.Assignment */)) { + // Assignment declarations are allowed to merge with variables, no matter what other flags they have. + if (ts.isNamedDeclaration(node)) { + ts.setParent(node.name, node); + } + // Report errors every position with duplicate declaration + // Report errors on previous encountered declarations + var message_1 = symbol.flags & 2 /* SymbolFlags.BlockScopedVariable */ + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + var messageNeedsName_1 = true; + if (symbol.flags & 384 /* SymbolFlags.Enum */ || includes & 384 /* SymbolFlags.Enum */) { + message_1 = ts.Diagnostics.Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations; + messageNeedsName_1 = false; + } + var multipleDefaultExports_1 = false; + if (ts.length(symbol.declarations)) { + // If the current node is a default export of some sort, then check if + // there are any other default exports that we need to error on. + // We'll know whether we have other default exports depending on if `symbol` already has a declaration list set. + if (isDefaultExport) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + messageNeedsName_1 = false; + multipleDefaultExports_1 = true; + } + else { + // This is to properly report an error in the case "export default { }" is after export default of class declaration or function declaration. + // Error on multiple export default in the following case: + // 1. multiple export default of class declaration or function declaration by checking NodeFlags.Default + // 2. multiple export default of export assignment. This one doesn't have NodeFlags.Default on (as export default doesn't considered as modifiers) + if (symbol.declarations && symbol.declarations.length && + (node.kind === 271 /* SyntaxKind.ExportAssignment */ && !node.isExportEquals)) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + messageNeedsName_1 = false; + multipleDefaultExports_1 = true; + } + } + } + var relatedInformation_1 = []; + if (ts.isTypeAliasDeclaration(node) && ts.nodeIsMissing(node.type) && ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */) && symbol.flags & (2097152 /* SymbolFlags.Alias */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */)) { + // export type T; - may have meant export type { T }? + relatedInformation_1.push(createDiagnosticForNode(node, ts.Diagnostics.Did_you_mean_0, "export type { ".concat(ts.unescapeLeadingUnderscores(node.name.escapedText), " }"))); + } + var declarationName_1 = ts.getNameOfDeclaration(node) || node; + ts.forEach(symbol.declarations, function (declaration, index) { + var decl = ts.getNameOfDeclaration(declaration) || declaration; + var diag = createDiagnosticForNode(decl, message_1, messageNeedsName_1 ? getDisplayName(declaration) : undefined); + file.bindDiagnostics.push(multipleDefaultExports_1 ? ts.addRelatedInfo(diag, createDiagnosticForNode(declarationName_1, index === 0 ? ts.Diagnostics.Another_export_default_is_here : ts.Diagnostics.and_here)) : diag); + if (multipleDefaultExports_1) { + relatedInformation_1.push(createDiagnosticForNode(decl, ts.Diagnostics.The_first_export_default_is_here)); + } + }); + var diag = createDiagnosticForNode(declarationName_1, message_1, messageNeedsName_1 ? getDisplayName(node) : undefined); + file.bindDiagnostics.push(ts.addRelatedInfo.apply(void 0, __spreadArray([diag], relatedInformation_1, false))); + symbol = createSymbol(0 /* SymbolFlags.None */, name); + } + } + } + addDeclarationToSymbol(symbol, node, includes); + if (symbol.parent) { + ts.Debug.assert(symbol.parent === parent, "Existing symbol parent should match new one"); + } + else { + symbol.parent = parent; + } + return symbol; + } + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = !!(ts.getCombinedModifierFlags(node) & 1 /* ModifierFlags.Export */) || jsdocTreatAsExported(node); + if (symbolFlags & 2097152 /* SymbolFlags.Alias */) { + if (node.kind === 275 /* SyntaxKind.ExportSpecifier */ || (node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes); + } + } + else { + // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue flag, + // and an associated export symbol with all the correct flags set on it. There are 2 main reasons: + // + // 1. We treat locals and exports of the same name as mutually exclusive within a container. + // That means the binder will issue a Duplicate Identifier error if you mix locals and exports + // with the same name in the same container. + // TODO: Make this a more specific error and decouple it from the exclusion logic. + // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, + // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way + // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. + // NOTE: Nested ambient modules always should go to to 'locals' table to prevent their automatic merge + // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation + // and this case is specially handled. Module augmentations should only be merged with original module definition + // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. + if (ts.isJSDocTypeAlias(node)) + ts.Debug.assert(ts.isInJSFile(node)); // We shouldn't add symbols for JSDoc nodes if not in a JS file. + if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 64 /* NodeFlags.ExportContext */)) { + if (!container.locals || (ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */) && !getDeclarationName(node))) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); // No local symbol for an unnamed default! + } + var exportKind = symbolFlags & 111551 /* SymbolFlags.Value */ ? 1048576 /* SymbolFlags.ExportValue */ : 0; + var local = declareSymbol(container.locals, /*parent*/ undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes); + } + } + } + function jsdocTreatAsExported(node) { + if (node.parent && ts.isModuleDeclaration(node)) { + node = node.parent; + } + if (!ts.isJSDocTypeAlias(node)) + return false; + // jsdoc typedef handling is a bit of a doozy, but to summarize, treat the typedef as exported if: + // 1. It has an explicit name (since by default typedefs are always directly exported, either at the top level or in a container), or + if (!ts.isJSDocEnumTag(node) && !!node.fullName) + return true; + // 2. The thing a nameless typedef pulls its name from is implicitly a direct export (either by assignment or actual export flag). + var declName = ts.getNameOfDeclaration(node); + if (!declName) + return false; + if (ts.isPropertyAccessEntityNameExpression(declName.parent) && isTopLevelNamespaceAssignment(declName.parent)) + return true; + if (ts.isDeclaration(declName.parent) && ts.getCombinedModifierFlags(declName.parent) & 1 /* ModifierFlags.Export */) + return true; + // This could potentially be simplified by having `delayedBindJSDocTypedefTag` pass in an override for `hasExportModifier`, since it should + // already have calculated and branched on most of this. + return false; + } + // All container nodes are kept on a linked list in declaration order. This list is used by + // the getLocalNameOfContainer function in the type checker to validate that the local name + // used for a container is unique. + function bindContainer(node, containerFlags) { + // Before we recurse into a node's children, we first save the existing parent, container + // and block-container. Then after we pop out of processing the children, we restore + // these saved values. + var saveContainer = container; + var saveThisParentContainer = thisParentContainer; + var savedBlockScopeContainer = blockScopeContainer; + // Depending on what kind of node this is, we may have to adjust the current container + // and block-container. If the current node is a container, then it is automatically + // considered the current block-container as well. Also, for containers that we know + // may contain locals, we eagerly initialize the .locals field. We do this because + // it's highly likely that the .locals will be needed to place some child in (for example, + // a parameter, or variable declaration). + // + // However, we do not proactively create the .locals for block-containers because it's + // totally normal and common for block-containers to never actually have a block-scoped + // variable in them. We don't want to end up allocating an object for every 'block' we + // run into when most of them won't be necessary. + // + // Finally, if this is a block-container, then we clear out any existing .locals object + // it may contain within it. This happens in incremental scenarios. Because we can be + // reusing a node from a previous compilation, that node may have had 'locals' created + // for it. We must clear this so we don't accidentally move any stale data forward from + // a previous compilation. + if (containerFlags & 1 /* ContainerFlags.IsContainer */) { + if (node.kind !== 214 /* SyntaxKind.ArrowFunction */) { + thisParentContainer = container; + } + container = blockScopeContainer = node; + if (containerFlags & 32 /* ContainerFlags.HasLocals */) { + container.locals = ts.createSymbolTable(); + } + addToContainerChain(container); + } + else if (containerFlags & 2 /* ContainerFlags.IsBlockScopedContainer */) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; + } + if (containerFlags & 4 /* ContainerFlags.IsControlFlowContainer */) { + var saveCurrentFlow = currentFlow; + var saveBreakTarget = currentBreakTarget; + var saveContinueTarget = currentContinueTarget; + var saveReturnTarget = currentReturnTarget; + var saveExceptionTarget = currentExceptionTarget; + var saveActiveLabelList = activeLabelList; + var saveHasExplicitReturn = hasExplicitReturn; + var isImmediatelyInvoked = (containerFlags & 16 /* ContainerFlags.IsFunctionExpression */ && + !ts.hasSyntacticModifier(node, 256 /* ModifierFlags.Async */) && + !node.asteriskToken && + !!ts.getImmediatelyInvokedFunctionExpression(node)) || + node.kind === 170 /* SyntaxKind.ClassStaticBlockDeclaration */; + // A non-async, non-generator IIFE is considered part of the containing control flow. Return statements behave + // similarly to break statements that exit to a label just past the statement body. + if (!isImmediatelyInvoked) { + currentFlow = initFlowNode({ flags: 2 /* FlowFlags.Start */ }); + if (containerFlags & (16 /* ContainerFlags.IsFunctionExpression */ | 128 /* ContainerFlags.IsObjectLiteralOrClassExpressionMethodOrAccessor */)) { + currentFlow.node = node; + } + } + // We create a return control flow graph for IIFEs and constructors. For constructors + // we use the return control flow graph in strict property initialization checks. + currentReturnTarget = isImmediatelyInvoked || node.kind === 171 /* SyntaxKind.Constructor */ || (ts.isInJSFile(node) && (node.kind === 256 /* SyntaxKind.FunctionDeclaration */ || node.kind === 213 /* SyntaxKind.FunctionExpression */)) ? createBranchLabel() : undefined; + currentExceptionTarget = undefined; + currentBreakTarget = undefined; + currentContinueTarget = undefined; + activeLabelList = undefined; + hasExplicitReturn = false; + bindChildren(node); + // Reset all reachability check related flags on node (for incremental scenarios) + node.flags &= ~2816 /* NodeFlags.ReachabilityAndEmitFlags */; + if (!(currentFlow.flags & 1 /* FlowFlags.Unreachable */) && containerFlags & 8 /* ContainerFlags.IsFunctionLike */ && ts.nodeIsPresent(node.body)) { + node.flags |= 256 /* NodeFlags.HasImplicitReturn */; + if (hasExplicitReturn) + node.flags |= 512 /* NodeFlags.HasExplicitReturn */; + node.endFlowNode = currentFlow; + } + if (node.kind === 305 /* SyntaxKind.SourceFile */) { + node.flags |= emitFlags; + node.endFlowNode = currentFlow; + } + if (currentReturnTarget) { + addAntecedent(currentReturnTarget, currentFlow); + currentFlow = finishFlowLabel(currentReturnTarget); + if (node.kind === 171 /* SyntaxKind.Constructor */ || node.kind === 170 /* SyntaxKind.ClassStaticBlockDeclaration */ || (ts.isInJSFile(node) && (node.kind === 256 /* SyntaxKind.FunctionDeclaration */ || node.kind === 213 /* SyntaxKind.FunctionExpression */))) { + node.returnFlowNode = currentFlow; + } + } + if (!isImmediatelyInvoked) { + currentFlow = saveCurrentFlow; + } + currentBreakTarget = saveBreakTarget; + currentContinueTarget = saveContinueTarget; + currentReturnTarget = saveReturnTarget; + currentExceptionTarget = saveExceptionTarget; + activeLabelList = saveActiveLabelList; + hasExplicitReturn = saveHasExplicitReturn; + } + else if (containerFlags & 64 /* ContainerFlags.IsInterface */) { + seenThisKeyword = false; + bindChildren(node); + node.flags = seenThisKeyword ? node.flags | 128 /* NodeFlags.ContainsThis */ : node.flags & ~128 /* NodeFlags.ContainsThis */; + } + else { + bindChildren(node); + } + container = saveContainer; + thisParentContainer = saveThisParentContainer; + blockScopeContainer = savedBlockScopeContainer; + } + function bindEachFunctionsFirst(nodes) { + bindEach(nodes, function (n) { return n.kind === 256 /* SyntaxKind.FunctionDeclaration */ ? bind(n) : undefined; }); + bindEach(nodes, function (n) { return n.kind !== 256 /* SyntaxKind.FunctionDeclaration */ ? bind(n) : undefined; }); + } + function bindEach(nodes, bindFunction) { + if (bindFunction === void 0) { bindFunction = bind; } + if (nodes === undefined) { + return; + } + ts.forEach(nodes, bindFunction); + } + function bindEachChild(node) { + ts.forEachChild(node, bind, bindEach); + } + function bindChildren(node) { + var saveInAssignmentPattern = inAssignmentPattern; + // Most nodes aren't valid in an assignment pattern, so we clear the value here + // and set it before we descend into nodes that could actually be part of an assignment pattern. + inAssignmentPattern = false; + if (checkUnreachable(node)) { + bindEachChild(node); + bindJSDoc(node); + inAssignmentPattern = saveInAssignmentPattern; + return; + } + if (node.kind >= 237 /* SyntaxKind.FirstStatement */ && node.kind <= 253 /* SyntaxKind.LastStatement */ && !options.allowUnreachableCode) { + node.flowNode = currentFlow; + } + switch (node.kind) { + case 241 /* SyntaxKind.WhileStatement */: + bindWhileStatement(node); + break; + case 240 /* SyntaxKind.DoStatement */: + bindDoStatement(node); + break; + case 242 /* SyntaxKind.ForStatement */: + bindForStatement(node); + break; + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + bindForInOrForOfStatement(node); + break; + case 239 /* SyntaxKind.IfStatement */: + bindIfStatement(node); + break; + case 247 /* SyntaxKind.ReturnStatement */: + case 251 /* SyntaxKind.ThrowStatement */: + bindReturnOrThrow(node); + break; + case 246 /* SyntaxKind.BreakStatement */: + case 245 /* SyntaxKind.ContinueStatement */: + bindBreakOrContinueStatement(node); + break; + case 252 /* SyntaxKind.TryStatement */: + bindTryStatement(node); + break; + case 249 /* SyntaxKind.SwitchStatement */: + bindSwitchStatement(node); + break; + case 263 /* SyntaxKind.CaseBlock */: + bindCaseBlock(node); + break; + case 289 /* SyntaxKind.CaseClause */: + bindCaseClause(node); + break; + case 238 /* SyntaxKind.ExpressionStatement */: + bindExpressionStatement(node); + break; + case 250 /* SyntaxKind.LabeledStatement */: + bindLabeledStatement(node); + break; + case 219 /* SyntaxKind.PrefixUnaryExpression */: + bindPrefixUnaryExpressionFlow(node); + break; + case 220 /* SyntaxKind.PostfixUnaryExpression */: + bindPostfixUnaryExpressionFlow(node); + break; + case 221 /* SyntaxKind.BinaryExpression */: + if (ts.isDestructuringAssignment(node)) { + // Carry over whether we are in an assignment pattern to + // binary expressions that could actually be an initializer + inAssignmentPattern = saveInAssignmentPattern; + bindDestructuringAssignmentFlow(node); + return; + } + bindBinaryExpressionFlow(node); + break; + case 215 /* SyntaxKind.DeleteExpression */: + bindDeleteExpressionFlow(node); + break; + case 222 /* SyntaxKind.ConditionalExpression */: + bindConditionalExpressionFlow(node); + break; + case 254 /* SyntaxKind.VariableDeclaration */: + bindVariableDeclarationFlow(node); + break; + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + bindAccessExpressionFlow(node); + break; + case 208 /* SyntaxKind.CallExpression */: + bindCallExpressionFlow(node); + break; + case 230 /* SyntaxKind.NonNullExpression */: + bindNonNullExpressionFlow(node); + break; + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + bindJSDocTypeAlias(node); + break; + // In source files and blocks, bind functions first to match hoisting that occurs at runtime + case 305 /* SyntaxKind.SourceFile */: { + bindEachFunctionsFirst(node.statements); + bind(node.endOfFileToken); + break; + } + case 235 /* SyntaxKind.Block */: + case 262 /* SyntaxKind.ModuleBlock */: + bindEachFunctionsFirst(node.statements); + break; + case 203 /* SyntaxKind.BindingElement */: + bindBindingElementFlow(node); + break; + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 225 /* SyntaxKind.SpreadElement */: + // Carry over whether we are in an assignment pattern of Object and Array literals + // as well as their children that are valid assignment targets. + inAssignmentPattern = saveInAssignmentPattern; + // falls through + default: + bindEachChild(node); + break; + } + bindJSDoc(node); + inAssignmentPattern = saveInAssignmentPattern; + } + function isNarrowingExpression(expr) { + switch (expr.kind) { + case 79 /* SyntaxKind.Identifier */: + case 80 /* SyntaxKind.PrivateIdentifier */: + case 108 /* SyntaxKind.ThisKeyword */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + return containsNarrowableReference(expr); + case 208 /* SyntaxKind.CallExpression */: + return hasNarrowableArgument(expr); + case 212 /* SyntaxKind.ParenthesizedExpression */: + case 230 /* SyntaxKind.NonNullExpression */: + return isNarrowingExpression(expr.expression); + case 221 /* SyntaxKind.BinaryExpression */: + return isNarrowingBinaryExpression(expr); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + return expr.operator === 53 /* SyntaxKind.ExclamationToken */ && isNarrowingExpression(expr.operand); + case 216 /* SyntaxKind.TypeOfExpression */: + return isNarrowingExpression(expr.expression); + } + return false; + } + function isNarrowableReference(expr) { + return ts.isDottedName(expr) + || (ts.isPropertyAccessExpression(expr) || ts.isNonNullExpression(expr) || ts.isParenthesizedExpression(expr)) && isNarrowableReference(expr.expression) + || ts.isBinaryExpression(expr) && expr.operatorToken.kind === 27 /* SyntaxKind.CommaToken */ && isNarrowableReference(expr.right) + || ts.isElementAccessExpression(expr) && (ts.isStringOrNumericLiteralLike(expr.argumentExpression) || ts.isEntityNameExpression(expr.argumentExpression)) && isNarrowableReference(expr.expression) + || ts.isAssignmentExpression(expr) && isNarrowableReference(expr.left); + } + function containsNarrowableReference(expr) { + return isNarrowableReference(expr) || ts.isOptionalChain(expr) && containsNarrowableReference(expr.expression); + } + function hasNarrowableArgument(expr) { + if (expr.arguments) { + for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (containsNarrowableReference(argument)) { + return true; + } + } + } + if (expr.expression.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && + containsNarrowableReference(expr.expression.expression)) { + return true; + } + return false; + } + function isNarrowingTypeofOperands(expr1, expr2) { + return ts.isTypeOfExpression(expr1) && isNarrowableOperand(expr1.expression) && ts.isStringLiteralLike(expr2); + } + function isNarrowingBinaryExpression(expr) { + switch (expr.operatorToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + case 75 /* SyntaxKind.BarBarEqualsToken */: + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: + return containsNarrowableReference(expr.left); + case 34 /* SyntaxKind.EqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) || + isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right); + case 102 /* SyntaxKind.InstanceOfKeyword */: + return isNarrowableOperand(expr.left); + case 101 /* SyntaxKind.InKeyword */: + return isNarrowingExpression(expr.right); + case 27 /* SyntaxKind.CommaToken */: + return isNarrowingExpression(expr.right); + } + return false; + } + function isNarrowableOperand(expr) { + switch (expr.kind) { + case 212 /* SyntaxKind.ParenthesizedExpression */: + return isNarrowableOperand(expr.expression); + case 221 /* SyntaxKind.BinaryExpression */: + switch (expr.operatorToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + return isNarrowableOperand(expr.left); + case 27 /* SyntaxKind.CommaToken */: + return isNarrowableOperand(expr.right); + } + } + return containsNarrowableReference(expr); + } + function createBranchLabel() { + return initFlowNode({ flags: 4 /* FlowFlags.BranchLabel */, antecedents: undefined }); + } + function createLoopLabel() { + return initFlowNode({ flags: 8 /* FlowFlags.LoopLabel */, antecedents: undefined }); + } + function createReduceLabel(target, antecedents, antecedent) { + return initFlowNode({ flags: 1024 /* FlowFlags.ReduceLabel */, target: target, antecedents: antecedents, antecedent: antecedent }); + } + function setFlowNodeReferenced(flow) { + // On first reference we set the Referenced flag, thereafter we set the Shared flag + flow.flags |= flow.flags & 2048 /* FlowFlags.Referenced */ ? 4096 /* FlowFlags.Shared */ : 2048 /* FlowFlags.Referenced */; + } + function addAntecedent(label, antecedent) { + if (!(antecedent.flags & 1 /* FlowFlags.Unreachable */) && !ts.contains(label.antecedents, antecedent)) { + (label.antecedents || (label.antecedents = [])).push(antecedent); + setFlowNodeReferenced(antecedent); + } + } + function createFlowCondition(flags, antecedent, expression) { + if (antecedent.flags & 1 /* FlowFlags.Unreachable */) { + return antecedent; + } + if (!expression) { + return flags & 32 /* FlowFlags.TrueCondition */ ? antecedent : unreachableFlow; + } + if ((expression.kind === 110 /* SyntaxKind.TrueKeyword */ && flags & 64 /* FlowFlags.FalseCondition */ || + expression.kind === 95 /* SyntaxKind.FalseKeyword */ && flags & 32 /* FlowFlags.TrueCondition */) && + !ts.isExpressionOfOptionalChainRoot(expression) && !ts.isNullishCoalesce(expression.parent)) { + return unreachableFlow; + } + if (!isNarrowingExpression(expression)) { + return antecedent; + } + setFlowNodeReferenced(antecedent); + return initFlowNode({ flags: flags, antecedent: antecedent, node: expression }); + } + function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) { + setFlowNodeReferenced(antecedent); + return initFlowNode({ flags: 128 /* FlowFlags.SwitchClause */, antecedent: antecedent, switchStatement: switchStatement, clauseStart: clauseStart, clauseEnd: clauseEnd }); + } + function createFlowMutation(flags, antecedent, node) { + setFlowNodeReferenced(antecedent); + var result = initFlowNode({ flags: flags, antecedent: antecedent, node: node }); + if (currentExceptionTarget) { + addAntecedent(currentExceptionTarget, result); + } + return result; + } + function createFlowCall(antecedent, node) { + setFlowNodeReferenced(antecedent); + return initFlowNode({ flags: 512 /* FlowFlags.Call */, antecedent: antecedent, node: node }); + } + function finishFlowLabel(flow) { + var antecedents = flow.antecedents; + if (!antecedents) { + return unreachableFlow; + } + if (antecedents.length === 1) { + return antecedents[0]; + } + return flow; + } + function isStatementCondition(node) { + var parent = node.parent; + switch (parent.kind) { + case 239 /* SyntaxKind.IfStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 240 /* SyntaxKind.DoStatement */: + return parent.expression === node; + case 242 /* SyntaxKind.ForStatement */: + case 222 /* SyntaxKind.ConditionalExpression */: + return parent.condition === node; + } + return false; + } + function isLogicalExpression(node) { + while (true) { + if (node.kind === 212 /* SyntaxKind.ParenthesizedExpression */) { + node = node.expression; + } + else if (node.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ && node.operator === 53 /* SyntaxKind.ExclamationToken */) { + node = node.operand; + } + else { + return node.kind === 221 /* SyntaxKind.BinaryExpression */ && (node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */ || + node.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || + node.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */); + } + } + } + function isLogicalAssignmentExpression(node) { + node = ts.skipParentheses(node); + return ts.isBinaryExpression(node) && ts.isLogicalOrCoalescingAssignmentOperator(node.operatorToken.kind); + } + function isTopLevelLogicalExpression(node) { + while (ts.isParenthesizedExpression(node.parent) || + ts.isPrefixUnaryExpression(node.parent) && node.parent.operator === 53 /* SyntaxKind.ExclamationToken */) { + node = node.parent; + } + return !isStatementCondition(node) && + !isLogicalExpression(node.parent) && + !(ts.isOptionalChain(node.parent) && node.parent.expression === node); + } + function doWithConditionalBranches(action, value, trueTarget, falseTarget) { + var savedTrueTarget = currentTrueTarget; + var savedFalseTarget = currentFalseTarget; + currentTrueTarget = trueTarget; + currentFalseTarget = falseTarget; + action(value); + currentTrueTarget = savedTrueTarget; + currentFalseTarget = savedFalseTarget; + } + function bindCondition(node, trueTarget, falseTarget) { + doWithConditionalBranches(bind, node, trueTarget, falseTarget); + if (!node || !isLogicalAssignmentExpression(node) && !isLogicalExpression(node) && !(ts.isOptionalChain(node) && ts.isOutermostOptionalChain(node))) { + addAntecedent(trueTarget, createFlowCondition(32 /* FlowFlags.TrueCondition */, currentFlow, node)); + addAntecedent(falseTarget, createFlowCondition(64 /* FlowFlags.FalseCondition */, currentFlow, node)); + } + } + function bindIterativeStatement(node, breakTarget, continueTarget) { + var saveBreakTarget = currentBreakTarget; + var saveContinueTarget = currentContinueTarget; + currentBreakTarget = breakTarget; + currentContinueTarget = continueTarget; + bind(node); + currentBreakTarget = saveBreakTarget; + currentContinueTarget = saveContinueTarget; + } + function setContinueTarget(node, target) { + var label = activeLabelList; + while (label && node.parent.kind === 250 /* SyntaxKind.LabeledStatement */) { + label.continueTarget = target; + label = label.next; + node = node.parent; + } + return target; + } + function bindWhileStatement(node) { + var preWhileLabel = setContinueTarget(node, createLoopLabel()); + var preBodyLabel = createBranchLabel(); + var postWhileLabel = createBranchLabel(); + addAntecedent(preWhileLabel, currentFlow); + currentFlow = preWhileLabel; + bindCondition(node.expression, preBodyLabel, postWhileLabel); + currentFlow = finishFlowLabel(preBodyLabel); + bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel); + addAntecedent(preWhileLabel, currentFlow); + currentFlow = finishFlowLabel(postWhileLabel); + } + function bindDoStatement(node) { + var preDoLabel = createLoopLabel(); + var preConditionLabel = setContinueTarget(node, createBranchLabel()); + var postDoLabel = createBranchLabel(); + addAntecedent(preDoLabel, currentFlow); + currentFlow = preDoLabel; + bindIterativeStatement(node.statement, postDoLabel, preConditionLabel); + addAntecedent(preConditionLabel, currentFlow); + currentFlow = finishFlowLabel(preConditionLabel); + bindCondition(node.expression, preDoLabel, postDoLabel); + currentFlow = finishFlowLabel(postDoLabel); + } + function bindForStatement(node) { + var preLoopLabel = setContinueTarget(node, createLoopLabel()); + var preBodyLabel = createBranchLabel(); + var postLoopLabel = createBranchLabel(); + bind(node.initializer); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = preLoopLabel; + bindCondition(node.condition, preBodyLabel, postLoopLabel); + currentFlow = finishFlowLabel(preBodyLabel); + bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); + bind(node.incrementor); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = finishFlowLabel(postLoopLabel); + } + function bindForInOrForOfStatement(node) { + var preLoopLabel = setContinueTarget(node, createLoopLabel()); + var postLoopLabel = createBranchLabel(); + bind(node.expression); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = preLoopLabel; + if (node.kind === 244 /* SyntaxKind.ForOfStatement */) { + bind(node.awaitModifier); + } + addAntecedent(postLoopLabel, currentFlow); + bind(node.initializer); + if (node.initializer.kind !== 255 /* SyntaxKind.VariableDeclarationList */) { + bindAssignmentTargetFlow(node.initializer); + } + bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = finishFlowLabel(postLoopLabel); + } + function bindIfStatement(node) { + var thenLabel = createBranchLabel(); + var elseLabel = createBranchLabel(); + var postIfLabel = createBranchLabel(); + bindCondition(node.expression, thenLabel, elseLabel); + currentFlow = finishFlowLabel(thenLabel); + bind(node.thenStatement); + addAntecedent(postIfLabel, currentFlow); + currentFlow = finishFlowLabel(elseLabel); + bind(node.elseStatement); + addAntecedent(postIfLabel, currentFlow); + currentFlow = finishFlowLabel(postIfLabel); + } + function bindReturnOrThrow(node) { + bind(node.expression); + if (node.kind === 247 /* SyntaxKind.ReturnStatement */) { + hasExplicitReturn = true; + if (currentReturnTarget) { + addAntecedent(currentReturnTarget, currentFlow); + } + } + currentFlow = unreachableFlow; + } + function findActiveLabel(name) { + for (var label = activeLabelList; label; label = label.next) { + if (label.name === name) { + return label; + } + } + return undefined; + } + function bindBreakOrContinueFlow(node, breakTarget, continueTarget) { + var flowLabel = node.kind === 246 /* SyntaxKind.BreakStatement */ ? breakTarget : continueTarget; + if (flowLabel) { + addAntecedent(flowLabel, currentFlow); + currentFlow = unreachableFlow; + } + } + function bindBreakOrContinueStatement(node) { + bind(node.label); + if (node.label) { + var activeLabel = findActiveLabel(node.label.escapedText); + if (activeLabel) { + activeLabel.referenced = true; + bindBreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget); + } + } + else { + bindBreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget); + } + } + function bindTryStatement(node) { + // We conservatively assume that *any* code in the try block can cause an exception, but we only need + // to track code that causes mutations (because only mutations widen the possible control flow type of + // a variable). The exceptionLabel is the target label for control flows that result from exceptions. + // We add all mutation flow nodes as antecedents of this label such that we can analyze them as possible + // antecedents of the start of catch or finally blocks. Furthermore, we add the current control flow to + // represent exceptions that occur before any mutations. + var saveReturnTarget = currentReturnTarget; + var saveExceptionTarget = currentExceptionTarget; + var normalExitLabel = createBranchLabel(); + var returnLabel = createBranchLabel(); + var exceptionLabel = createBranchLabel(); + if (node.finallyBlock) { + currentReturnTarget = returnLabel; + } + addAntecedent(exceptionLabel, currentFlow); + currentExceptionTarget = exceptionLabel; + bind(node.tryBlock); + addAntecedent(normalExitLabel, currentFlow); + if (node.catchClause) { + // Start of catch clause is the target of exceptions from try block. + currentFlow = finishFlowLabel(exceptionLabel); + // The currentExceptionTarget now represents control flows from exceptions in the catch clause. + // Effectively, in a try-catch-finally, if an exception occurs in the try block, the catch block + // acts like a second try block. + exceptionLabel = createBranchLabel(); + addAntecedent(exceptionLabel, currentFlow); + currentExceptionTarget = exceptionLabel; + bind(node.catchClause); + addAntecedent(normalExitLabel, currentFlow); + } + currentReturnTarget = saveReturnTarget; + currentExceptionTarget = saveExceptionTarget; + if (node.finallyBlock) { + // Possible ways control can reach the finally block: + // 1) Normal completion of try block of a try-finally or try-catch-finally + // 2) Normal completion of catch block (following exception in try block) of a try-catch-finally + // 3) Return in try or catch block of a try-finally or try-catch-finally + // 4) Exception in try block of a try-finally + // 5) Exception in catch block of a try-catch-finally + // When analyzing a control flow graph that starts inside a finally block we want to consider all + // five possibilities above. However, when analyzing a control flow graph that starts outside (past) + // the finally block, we only want to consider the first two (if we're past a finally block then it + // must have completed normally). Likewise, when analyzing a control flow graph from return statements + // in try or catch blocks in an IIFE, we only want to consider the third. To make this possible, we + // inject a ReduceLabel node into the control flow graph. This node contains an alternate reduced + // set of antecedents for the pre-finally label. As control flow analysis passes by a ReduceLabel + // node, the pre-finally label is temporarily switched to the reduced antecedent set. + var finallyLabel = createBranchLabel(); + finallyLabel.antecedents = ts.concatenate(ts.concatenate(normalExitLabel.antecedents, exceptionLabel.antecedents), returnLabel.antecedents); + currentFlow = finallyLabel; + bind(node.finallyBlock); + if (currentFlow.flags & 1 /* FlowFlags.Unreachable */) { + // If the end of the finally block is unreachable, the end of the entire try statement is unreachable. + currentFlow = unreachableFlow; + } + else { + // If we have an IIFE return target and return statements in the try or catch blocks, add a control + // flow that goes back through the finally block and back through only the return statements. + if (currentReturnTarget && returnLabel.antecedents) { + addAntecedent(currentReturnTarget, createReduceLabel(finallyLabel, returnLabel.antecedents, currentFlow)); + } + // If we have an outer exception target (i.e. a containing try-finally or try-catch-finally), add a + // control flow that goes back through the finally blok and back through each possible exception source. + if (currentExceptionTarget && exceptionLabel.antecedents) { + addAntecedent(currentExceptionTarget, createReduceLabel(finallyLabel, exceptionLabel.antecedents, currentFlow)); + } + // If the end of the finally block is reachable, but the end of the try and catch blocks are not, + // convert the current flow to unreachable. For example, 'try { return 1; } finally { ... }' should + // result in an unreachable current control flow. + currentFlow = normalExitLabel.antecedents ? createReduceLabel(finallyLabel, normalExitLabel.antecedents, currentFlow) : unreachableFlow; + } + } + else { + currentFlow = finishFlowLabel(normalExitLabel); + } + } + function bindSwitchStatement(node) { + var postSwitchLabel = createBranchLabel(); + bind(node.expression); + var saveBreakTarget = currentBreakTarget; + var savePreSwitchCaseFlow = preSwitchCaseFlow; + currentBreakTarget = postSwitchLabel; + preSwitchCaseFlow = currentFlow; + bind(node.caseBlock); + addAntecedent(postSwitchLabel, currentFlow); + var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 290 /* SyntaxKind.DefaultClause */; }); + // We mark a switch statement as possibly exhaustive if it has no default clause and if all + // case clauses have unreachable end points (e.g. they all return). Note, we no longer need + // this property in control flow analysis, it's there only for backwards compatibility. + node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents; + if (!hasDefault) { + addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0)); + } + currentBreakTarget = saveBreakTarget; + preSwitchCaseFlow = savePreSwitchCaseFlow; + currentFlow = finishFlowLabel(postSwitchLabel); + } + function bindCaseBlock(node) { + var clauses = node.clauses; + var isNarrowingSwitch = isNarrowingExpression(node.parent.expression); + var fallthroughFlow = unreachableFlow; + for (var i = 0; i < clauses.length; i++) { + var clauseStart = i; + while (!clauses[i].statements.length && i + 1 < clauses.length) { + bind(clauses[i]); + i++; + } + var preCaseLabel = createBranchLabel(); + addAntecedent(preCaseLabel, isNarrowingSwitch ? createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1) : preSwitchCaseFlow); + addAntecedent(preCaseLabel, fallthroughFlow); + currentFlow = finishFlowLabel(preCaseLabel); + var clause = clauses[i]; + bind(clause); + fallthroughFlow = currentFlow; + if (!(currentFlow.flags & 1 /* FlowFlags.Unreachable */) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) { + clause.fallthroughFlowNode = currentFlow; + } + } + } + function bindCaseClause(node) { + var saveCurrentFlow = currentFlow; + currentFlow = preSwitchCaseFlow; + bind(node.expression); + currentFlow = saveCurrentFlow; + bindEach(node.statements); + } + function bindExpressionStatement(node) { + bind(node.expression); + maybeBindExpressionFlowIfCall(node.expression); + } + function maybeBindExpressionFlowIfCall(node) { + // A top level or comma expression call expression with a dotted function name and at least one argument + // is potentially an assertion and is therefore included in the control flow. + if (node.kind === 208 /* SyntaxKind.CallExpression */) { + var call = node; + if (call.expression.kind !== 106 /* SyntaxKind.SuperKeyword */ && ts.isDottedName(call.expression)) { + currentFlow = createFlowCall(currentFlow, call); + } + } + } + function bindLabeledStatement(node) { + var postStatementLabel = createBranchLabel(); + activeLabelList = { + next: activeLabelList, + name: node.label.escapedText, + breakTarget: postStatementLabel, + continueTarget: undefined, + referenced: false + }; + bind(node.label); + bind(node.statement); + if (!activeLabelList.referenced && !options.allowUnusedLabels) { + errorOrSuggestionOnNode(ts.unusedLabelIsError(options), node.label, ts.Diagnostics.Unused_label); + } + activeLabelList = activeLabelList.next; + addAntecedent(postStatementLabel, currentFlow); + currentFlow = finishFlowLabel(postStatementLabel); + } + function bindDestructuringTargetFlow(node) { + if (node.kind === 221 /* SyntaxKind.BinaryExpression */ && node.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + bindAssignmentTargetFlow(node.left); + } + else { + bindAssignmentTargetFlow(node); + } + } + function bindAssignmentTargetFlow(node) { + if (isNarrowableReference(node)) { + currentFlow = createFlowMutation(16 /* FlowFlags.Assignment */, currentFlow, node); + } + else if (node.kind === 204 /* SyntaxKind.ArrayLiteralExpression */) { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var e = _a[_i]; + if (e.kind === 225 /* SyntaxKind.SpreadElement */) { + bindAssignmentTargetFlow(e.expression); + } + else { + bindDestructuringTargetFlow(e); + } + } + } + else if (node.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + for (var _b = 0, _c = node.properties; _b < _c.length; _b++) { + var p = _c[_b]; + if (p.kind === 296 /* SyntaxKind.PropertyAssignment */) { + bindDestructuringTargetFlow(p.initializer); + } + else if (p.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + bindAssignmentTargetFlow(p.name); + } + else if (p.kind === 298 /* SyntaxKind.SpreadAssignment */) { + bindAssignmentTargetFlow(p.expression); + } + } + } + } + function bindLogicalLikeExpression(node, trueTarget, falseTarget) { + var preRightLabel = createBranchLabel(); + if (node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */ || node.operatorToken.kind === 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */) { + bindCondition(node.left, preRightLabel, falseTarget); + } + else { + bindCondition(node.left, trueTarget, preRightLabel); + } + currentFlow = finishFlowLabel(preRightLabel); + bind(node.operatorToken); + if (ts.isLogicalOrCoalescingAssignmentOperator(node.operatorToken.kind)) { + doWithConditionalBranches(bind, node.right, trueTarget, falseTarget); + bindAssignmentTargetFlow(node.left); + addAntecedent(trueTarget, createFlowCondition(32 /* FlowFlags.TrueCondition */, currentFlow, node)); + addAntecedent(falseTarget, createFlowCondition(64 /* FlowFlags.FalseCondition */, currentFlow, node)); + } + else { + bindCondition(node.right, trueTarget, falseTarget); + } + } + function bindPrefixUnaryExpressionFlow(node) { + if (node.operator === 53 /* SyntaxKind.ExclamationToken */) { + var saveTrueTarget = currentTrueTarget; + currentTrueTarget = currentFalseTarget; + currentFalseTarget = saveTrueTarget; + bindEachChild(node); + currentFalseTarget = currentTrueTarget; + currentTrueTarget = saveTrueTarget; + } + else { + bindEachChild(node); + if (node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */) { + bindAssignmentTargetFlow(node.operand); + } + } + } + function bindPostfixUnaryExpressionFlow(node) { + bindEachChild(node); + if (node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */) { + bindAssignmentTargetFlow(node.operand); + } + } + function bindDestructuringAssignmentFlow(node) { + if (inAssignmentPattern) { + inAssignmentPattern = false; + bind(node.operatorToken); + bind(node.right); + inAssignmentPattern = true; + bind(node.left); + } + else { + inAssignmentPattern = true; + bind(node.left); + inAssignmentPattern = false; + bind(node.operatorToken); + bind(node.right); + } + bindAssignmentTargetFlow(node.left); + } + function createBindBinaryExpressionFlow() { + return ts.createBinaryExpressionTrampoline(onEnter, onLeft, onOperator, onRight, onExit, /*foldState*/ undefined); + function onEnter(node, state) { + if (state) { + state.stackIndex++; + // Emulate the work that `bind` does before reaching `bindChildren`. A normal call to + // `bindBinaryExpressionFlow` will already have done this work. + ts.setParent(node, parent); + var saveInStrictMode = inStrictMode; + bindWorker(node); + var saveParent = parent; + parent = node; + state.skip = false; + state.inStrictModeStack[state.stackIndex] = saveInStrictMode; + state.parentStack[state.stackIndex] = saveParent; + } + else { + state = { + stackIndex: 0, + skip: false, + inStrictModeStack: [undefined], + parentStack: [undefined] + }; + } + // TODO: bindLogicalExpression is recursive - if we want to handle deeply nested `&&` expressions + // we'll need to handle the `bindLogicalExpression` scenarios in this state machine, too + // For now, though, since the common cases are chained `+`, leaving it recursive is fine + var operator = node.operatorToken.kind; + if (operator === 55 /* SyntaxKind.AmpersandAmpersandToken */ || + operator === 56 /* SyntaxKind.BarBarToken */ || + operator === 60 /* SyntaxKind.QuestionQuestionToken */ || + ts.isLogicalOrCoalescingAssignmentOperator(operator)) { + if (isTopLevelLogicalExpression(node)) { + var postExpressionLabel = createBranchLabel(); + bindLogicalLikeExpression(node, postExpressionLabel, postExpressionLabel); + currentFlow = finishFlowLabel(postExpressionLabel); + } + else { + bindLogicalLikeExpression(node, currentTrueTarget, currentFalseTarget); + } + state.skip = true; + } + return state; + } + function onLeft(left, state, node) { + if (!state.skip) { + var maybeBound = maybeBind(left); + if (node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + maybeBindExpressionFlowIfCall(left); + } + return maybeBound; + } + } + function onOperator(operatorToken, state, _node) { + if (!state.skip) { + bind(operatorToken); + } + } + function onRight(right, state, node) { + if (!state.skip) { + var maybeBound = maybeBind(right); + if (node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + maybeBindExpressionFlowIfCall(right); + } + return maybeBound; + } + } + function onExit(node, state) { + if (!state.skip) { + var operator = node.operatorToken.kind; + if (ts.isAssignmentOperator(operator) && !ts.isAssignmentTarget(node)) { + bindAssignmentTargetFlow(node.left); + if (operator === 63 /* SyntaxKind.EqualsToken */ && node.left.kind === 207 /* SyntaxKind.ElementAccessExpression */) { + var elementAccess = node.left; + if (isNarrowableOperand(elementAccess.expression)) { + currentFlow = createFlowMutation(256 /* FlowFlags.ArrayMutation */, currentFlow, node); + } + } + } + } + var savedInStrictMode = state.inStrictModeStack[state.stackIndex]; + var savedParent = state.parentStack[state.stackIndex]; + if (savedInStrictMode !== undefined) { + inStrictMode = savedInStrictMode; + } + if (savedParent !== undefined) { + parent = savedParent; + } + state.skip = false; + state.stackIndex--; + } + function maybeBind(node) { + if (node && ts.isBinaryExpression(node) && !ts.isDestructuringAssignment(node)) { + return node; + } + bind(node); + } + } + function bindDeleteExpressionFlow(node) { + bindEachChild(node); + if (node.expression.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + bindAssignmentTargetFlow(node.expression); + } + } + function bindConditionalExpressionFlow(node) { + var trueLabel = createBranchLabel(); + var falseLabel = createBranchLabel(); + var postExpressionLabel = createBranchLabel(); + bindCondition(node.condition, trueLabel, falseLabel); + currentFlow = finishFlowLabel(trueLabel); + bind(node.questionToken); + bind(node.whenTrue); + addAntecedent(postExpressionLabel, currentFlow); + currentFlow = finishFlowLabel(falseLabel); + bind(node.colonToken); + bind(node.whenFalse); + addAntecedent(postExpressionLabel, currentFlow); + currentFlow = finishFlowLabel(postExpressionLabel); + } + function bindInitializedVariableFlow(node) { + var name = !ts.isOmittedExpression(node) ? node.name : undefined; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var child = _a[_i]; + bindInitializedVariableFlow(child); + } + } + else { + currentFlow = createFlowMutation(16 /* FlowFlags.Assignment */, currentFlow, node); + } + } + function bindVariableDeclarationFlow(node) { + bindEachChild(node); + if (node.initializer || ts.isForInOrOfStatement(node.parent.parent)) { + bindInitializedVariableFlow(node); + } + } + function bindBindingElementFlow(node) { + if (ts.isBindingPattern(node.name)) { + // When evaluating a binding pattern, the initializer is evaluated before the binding pattern, per: + // - https://tc39.es/ecma262/#sec-destructuring-binding-patterns-runtime-semantics-iteratorbindinginitialization + // - `BindingElement: BindingPattern Initializer?` + // - https://tc39.es/ecma262/#sec-runtime-semantics-keyedbindinginitialization + // - `BindingElement: BindingPattern Initializer?` + bindEach(node.decorators); + bindEach(node.modifiers); + bind(node.dotDotDotToken); + bind(node.propertyName); + bind(node.initializer); + bind(node.name); + } + else { + bindEachChild(node); + } + } + function bindJSDocTypeAlias(node) { + bind(node.tagName); + if (node.kind !== 339 /* SyntaxKind.JSDocEnumTag */ && node.fullName) { + // don't bind the type name yet; that's delayed until delayedBindJSDocTypedefTag + ts.setParent(node.fullName, node); + ts.setParentRecursive(node.fullName, /*incremental*/ false); + } + if (typeof node.comment !== "string") { + bindEach(node.comment); + } + } + function bindJSDocClassTag(node) { + bindEachChild(node); + var host = ts.getHostSignatureFromJSDoc(node); + if (host && host.kind !== 169 /* SyntaxKind.MethodDeclaration */) { + addDeclarationToSymbol(host.symbol, host, 32 /* SymbolFlags.Class */); + } + } + function bindOptionalExpression(node, trueTarget, falseTarget) { + doWithConditionalBranches(bind, node, trueTarget, falseTarget); + if (!ts.isOptionalChain(node) || ts.isOutermostOptionalChain(node)) { + addAntecedent(trueTarget, createFlowCondition(32 /* FlowFlags.TrueCondition */, currentFlow, node)); + addAntecedent(falseTarget, createFlowCondition(64 /* FlowFlags.FalseCondition */, currentFlow, node)); + } + } + function bindOptionalChainRest(node) { + switch (node.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + bind(node.questionDotToken); + bind(node.name); + break; + case 207 /* SyntaxKind.ElementAccessExpression */: + bind(node.questionDotToken); + bind(node.argumentExpression); + break; + case 208 /* SyntaxKind.CallExpression */: + bind(node.questionDotToken); + bindEach(node.typeArguments); + bindEach(node.arguments); + break; + } + } + function bindOptionalChain(node, trueTarget, falseTarget) { + // For an optional chain, we emulate the behavior of a logical expression: + // + // a?.b -> a && a.b + // a?.b.c -> a && a.b.c + // a?.b?.c -> a && a.b && a.b.c + // a?.[x = 1] -> a && a[x = 1] + // + // To do this we descend through the chain until we reach the root of a chain (the expression with a `?.`) + // and build it's CFA graph as if it were the first condition (`a && ...`). Then we bind the rest + // of the node as part of the "true" branch, and continue to do so as we ascend back up to the outermost + // chain node. We then treat the entire node as the right side of the expression. + var preChainLabel = ts.isOptionalChainRoot(node) ? createBranchLabel() : undefined; + bindOptionalExpression(node.expression, preChainLabel || trueTarget, falseTarget); + if (preChainLabel) { + currentFlow = finishFlowLabel(preChainLabel); + } + doWithConditionalBranches(bindOptionalChainRest, node, trueTarget, falseTarget); + if (ts.isOutermostOptionalChain(node)) { + addAntecedent(trueTarget, createFlowCondition(32 /* FlowFlags.TrueCondition */, currentFlow, node)); + addAntecedent(falseTarget, createFlowCondition(64 /* FlowFlags.FalseCondition */, currentFlow, node)); + } + } + function bindOptionalChainFlow(node) { + if (isTopLevelLogicalExpression(node)) { + var postExpressionLabel = createBranchLabel(); + bindOptionalChain(node, postExpressionLabel, postExpressionLabel); + currentFlow = finishFlowLabel(postExpressionLabel); + } + else { + bindOptionalChain(node, currentTrueTarget, currentFalseTarget); + } + } + function bindNonNullExpressionFlow(node) { + if (ts.isOptionalChain(node)) { + bindOptionalChainFlow(node); + } + else { + bindEachChild(node); + } + } + function bindAccessExpressionFlow(node) { + if (ts.isOptionalChain(node)) { + bindOptionalChainFlow(node); + } + else { + bindEachChild(node); + } + } + function bindCallExpressionFlow(node) { + if (ts.isOptionalChain(node)) { + bindOptionalChainFlow(node); + } + else { + // If the target of the call expression is a function expression or arrow function we have + // an immediately invoked function expression (IIFE). Initialize the flowNode property to + // the current control flow (which includes evaluation of the IIFE arguments). + var expr = ts.skipParentheses(node.expression); + if (expr.kind === 213 /* SyntaxKind.FunctionExpression */ || expr.kind === 214 /* SyntaxKind.ArrowFunction */) { + bindEach(node.typeArguments); + bindEach(node.arguments); + bind(node.expression); + } + else { + bindEachChild(node); + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + currentFlow = createFlowCall(currentFlow, node); + } + } + } + if (node.expression.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + var propertyAccess = node.expression; + if (ts.isIdentifier(propertyAccess.name) && isNarrowableOperand(propertyAccess.expression) && ts.isPushOrUnshiftIdentifier(propertyAccess.name)) { + currentFlow = createFlowMutation(256 /* FlowFlags.ArrayMutation */, currentFlow, node); + } + } + } + function getContainerFlags(node) { + switch (node.kind) { + case 226 /* SyntaxKind.ClassExpression */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 182 /* SyntaxKind.TypeLiteral */: + case 322 /* SyntaxKind.JSDocTypeLiteral */: + case 286 /* SyntaxKind.JsxAttributes */: + return 1 /* ContainerFlags.IsContainer */; + case 258 /* SyntaxKind.InterfaceDeclaration */: + return 1 /* ContainerFlags.IsContainer */ | 64 /* ContainerFlags.IsInterface */; + case 261 /* SyntaxKind.ModuleDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 195 /* SyntaxKind.MappedType */: + case 176 /* SyntaxKind.IndexSignature */: + return 1 /* ContainerFlags.IsContainer */ | 32 /* ContainerFlags.HasLocals */; + case 305 /* SyntaxKind.SourceFile */: + return 1 /* ContainerFlags.IsContainer */ | 4 /* ContainerFlags.IsControlFlowContainer */ | 32 /* ContainerFlags.HasLocals */; + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + if (ts.isObjectLiteralOrClassExpressionMethodOrAccessor(node)) { + return 1 /* ContainerFlags.IsContainer */ | 4 /* ContainerFlags.IsControlFlowContainer */ | 32 /* ContainerFlags.HasLocals */ | 8 /* ContainerFlags.IsFunctionLike */ | 128 /* ContainerFlags.IsObjectLiteralOrClassExpressionMethodOrAccessor */; + } + // falls through + case 171 /* SyntaxKind.Constructor */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 323 /* SyntaxKind.JSDocSignature */: + case 317 /* SyntaxKind.JSDocFunctionType */: + case 179 /* SyntaxKind.FunctionType */: + case 175 /* SyntaxKind.ConstructSignature */: + case 180 /* SyntaxKind.ConstructorType */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return 1 /* ContainerFlags.IsContainer */ | 4 /* ContainerFlags.IsControlFlowContainer */ | 32 /* ContainerFlags.HasLocals */ | 8 /* ContainerFlags.IsFunctionLike */; + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return 1 /* ContainerFlags.IsContainer */ | 4 /* ContainerFlags.IsControlFlowContainer */ | 32 /* ContainerFlags.HasLocals */ | 8 /* ContainerFlags.IsFunctionLike */ | 16 /* ContainerFlags.IsFunctionExpression */; + case 262 /* SyntaxKind.ModuleBlock */: + return 4 /* ContainerFlags.IsControlFlowContainer */; + case 167 /* SyntaxKind.PropertyDeclaration */: + return node.initializer ? 4 /* ContainerFlags.IsControlFlowContainer */ : 0; + case 292 /* SyntaxKind.CatchClause */: + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 263 /* SyntaxKind.CaseBlock */: + return 2 /* ContainerFlags.IsBlockScopedContainer */; + case 235 /* SyntaxKind.Block */: + // do not treat blocks directly inside a function as a block-scoped-container. + // Locals that reside in this block should go to the function locals. Otherwise 'x' + // would not appear to be a redeclaration of a block scoped local in the following + // example: + // + // function foo() { + // var x; + // let x; + // } + // + // If we placed 'var x' into the function locals and 'let x' into the locals of + // the block, then there would be no collision. + // + // By not creating a new block-scoped-container here, we ensure that both 'var x' + // and 'let x' go into the Function-container's locals, and we do get a collision + // conflict. + return ts.isFunctionLike(node.parent) || ts.isClassStaticBlockDeclaration(node.parent) ? 0 /* ContainerFlags.None */ : 2 /* ContainerFlags.IsBlockScopedContainer */; + } + return 0 /* ContainerFlags.None */; + } + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; + } + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + // Modules, source files, and classes need specialized handling for how their + // members are declared (for example, a member of a class will go into a specific + // symbol table depending on if it is static or not). We defer to specialized + // handlers to take care of declaring these child members. + case 261 /* SyntaxKind.ModuleDeclaration */: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 305 /* SyntaxKind.SourceFile */: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 226 /* SyntaxKind.ClassExpression */: + case 257 /* SyntaxKind.ClassDeclaration */: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 260 /* SyntaxKind.EnumDeclaration */: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 182 /* SyntaxKind.TypeLiteral */: + case 322 /* SyntaxKind.JSDocTypeLiteral */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 286 /* SyntaxKind.JsxAttributes */: + // Interface/Object-types always have their children added to the 'members' of + // their container. They are only accessible through an instance of their + // container, and are never in scope otherwise (even inside the body of the + // object / type / interface declaring them). An exception is type parameters, + // which are in scope without qualification (similar to 'locals'). + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 323 /* SyntaxKind.JSDocSignature */: + case 176 /* SyntaxKind.IndexSignature */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 317 /* SyntaxKind.JSDocFunctionType */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 195 /* SyntaxKind.MappedType */: + // All the children of these container types are never visible through another + // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, + // they're only accessed 'lexically' (i.e. from code that exists underneath + // their container in the tree). To accomplish this, we simply add their declared + // symbol to the 'locals' of the container. These symbols can then be found as + // the type checker walks up the containers, checking them for matching names. + return declareSymbol(container.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes); + } + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return ts.isStatic(node) + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = ts.isSourceFile(node) ? node : ts.tryCast(node.body, ts.isModuleBlock); + return !!body && body.statements.some(function (s) { return ts.isExportDeclaration(s) || ts.isExportAssignment(s); }); + } + function setExportContextFlag(node) { + // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular + // declarations with export modifiers) is an export context in which declarations are implicitly exported. + if (node.flags & 16777216 /* NodeFlags.Ambient */ && !hasExportDeclarations(node)) { + node.flags |= 64 /* NodeFlags.ExportContext */; + } + else { + node.flags &= ~64 /* NodeFlags.ExportContext */; + } + } + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); + } + if (ts.isModuleAugmentationExternal(node)) { + declareModuleSymbol(node); + } + else { + var pattern = void 0; + if (node.name.kind === 10 /* SyntaxKind.StringLiteral */) { + var text = node.name.text; + pattern = ts.tryParsePattern(text); + if (pattern === undefined) { + errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text); + } + } + var symbol = declareSymbolAndAddToSymbolTable(node, 512 /* SymbolFlags.ValueModule */, 110735 /* SymbolFlags.ValueModuleExcludes */); + file.patternAmbientModules = ts.append(file.patternAmbientModules, pattern && !ts.isString(pattern) ? { pattern: pattern, symbol: symbol } : undefined); + } + } + else { + var state = declareModuleSymbol(node); + if (state !== 0 /* ModuleInstanceState.NonInstantiated */) { + var symbol = node.symbol; + // if module was already merged with some function, class or non-const enum, treat it as non-const-enum-only + symbol.constEnumOnlyModule = (!(symbol.flags & (16 /* SymbolFlags.Function */ | 32 /* SymbolFlags.Class */ | 256 /* SymbolFlags.RegularEnum */))) + // Current must be `const enum` only + && state === 2 /* ModuleInstanceState.ConstEnumOnly */ + // Can't have been set to 'false' in a previous merged symbol. ('undefined' OK) + && symbol.constEnumOnlyModule !== false; + } + } + } + function declareModuleSymbol(node) { + var state = getModuleInstanceState(node); + var instantiated = state !== 0 /* ModuleInstanceState.NonInstantiated */; + declareSymbolAndAddToSymbolTable(node, instantiated ? 512 /* SymbolFlags.ValueModule */ : 1024 /* SymbolFlags.NamespaceModule */, instantiated ? 110735 /* SymbolFlags.ValueModuleExcludes */ : 0 /* SymbolFlags.NamespaceModuleExcludes */); + return state; + } + function bindFunctionOrConstructorType(node) { + // For a given function symbol "<...>(...) => T" we want to generate a symbol identical + // to the one we would get for: { <...>(...): T } + // + // We do that by making an anonymous type literal symbol, and then setting the function + // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable + // from an actual type literal symbol you would have gotten had you used the long form. + var symbol = createSymbol(131072 /* SymbolFlags.Signature */, getDeclarationName(node)); // TODO: GH#18217 + addDeclarationToSymbol(symbol, node, 131072 /* SymbolFlags.Signature */); + var typeLiteralSymbol = createSymbol(2048 /* SymbolFlags.TypeLiteral */, "__type" /* InternalSymbolName.Type */); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* SymbolFlags.TypeLiteral */); + typeLiteralSymbol.members = ts.createSymbolTable(); + typeLiteralSymbol.members.set(symbol.escapedName, symbol); + } + function bindObjectLiteralExpression(node) { + var ElementKind; + (function (ElementKind) { + ElementKind[ElementKind["Property"] = 1] = "Property"; + ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; + })(ElementKind || (ElementKind = {})); + if (inStrictMode && !ts.isAssignmentTarget(node)) { + var seen = new ts.Map(); + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.kind === 298 /* SyntaxKind.SpreadAssignment */ || prop.name.kind !== 79 /* SyntaxKind.Identifier */) { + continue; + } + var identifier = prop.name; + // ECMA-262 11.1.5 Object Initializer + // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true + // a.This production is contained in strict code and IsDataDescriptor(previous) is true and + // IsDataDescriptor(propId.descriptor) is true. + // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. + // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. + // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true + // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields + var currentKind = prop.kind === 296 /* SyntaxKind.PropertyAssignment */ || prop.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ || prop.kind === 169 /* SyntaxKind.MethodDeclaration */ + ? 1 /* ElementKind.Property */ + : 2 /* ElementKind.Accessor */; + var existingKind = seen.get(identifier.escapedText); + if (!existingKind) { + seen.set(identifier.escapedText, currentKind); + continue; + } + } + } + return bindAnonymousDeclaration(node, 4096 /* SymbolFlags.ObjectLiteral */, "__object" /* InternalSymbolName.Object */); + } + function bindJsxAttributes(node) { + return bindAnonymousDeclaration(node, 4096 /* SymbolFlags.ObjectLiteral */, "__jsxAttributes" /* InternalSymbolName.JSXAttributes */); + } + function bindJsxAttribute(node, symbolFlags, symbolExcludes) { + return declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + if (symbolFlags & (8 /* SymbolFlags.EnumMember */ | 106500 /* SymbolFlags.ClassMember */)) { + symbol.parent = container.symbol; + } + addDeclarationToSymbol(symbol, node, symbolFlags); + return symbol; + } + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 305 /* SyntaxKind.SourceFile */: + if (ts.isExternalOrCommonJsModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + // falls through + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = ts.createSymbolTable(); + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes); + } + } + function delayedBindJSDocTypedefTag() { + if (!delayedTypeAliases) { + return; + } + var saveContainer = container; + var saveLastContainer = lastContainer; + var saveBlockScopeContainer = blockScopeContainer; + var saveParent = parent; + var saveCurrentFlow = currentFlow; + for (var _i = 0, delayedTypeAliases_1 = delayedTypeAliases; _i < delayedTypeAliases_1.length; _i++) { + var typeAlias = delayedTypeAliases_1[_i]; + var host = typeAlias.parent.parent; + container = ts.findAncestor(host.parent, function (n) { return !!(getContainerFlags(n) & 1 /* ContainerFlags.IsContainer */); }) || file; + blockScopeContainer = ts.getEnclosingBlockScopeContainer(host) || file; + currentFlow = initFlowNode({ flags: 2 /* FlowFlags.Start */ }); + parent = typeAlias; + bind(typeAlias.typeExpression); + var declName = ts.getNameOfDeclaration(typeAlias); + if ((ts.isJSDocEnumTag(typeAlias) || !typeAlias.fullName) && declName && ts.isPropertyAccessEntityNameExpression(declName.parent)) { + // typedef anchored to an A.B.C assignment - we need to bind into B's namespace under name C + var isTopLevel = isTopLevelNamespaceAssignment(declName.parent); + if (isTopLevel) { + bindPotentiallyMissingNamespaces(file.symbol, declName.parent, isTopLevel, !!ts.findAncestor(declName, function (d) { return ts.isPropertyAccessExpression(d) && d.name.escapedText === "prototype"; }), /*containerIsClass*/ false); + var oldContainer = container; + switch (ts.getAssignmentDeclarationPropertyAccessKind(declName.parent)) { + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + case 2 /* AssignmentDeclarationKind.ModuleExports */: + if (!ts.isExternalOrCommonJsModule(file)) { + container = undefined; + } + else { + container = file; + } + break; + case 4 /* AssignmentDeclarationKind.ThisProperty */: + container = declName.parent.expression; + break; + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: + container = declName.parent.expression.name; + break; + case 5 /* AssignmentDeclarationKind.Property */: + container = isExportsOrModuleExportsOrAlias(file, declName.parent.expression) ? file + : ts.isPropertyAccessExpression(declName.parent.expression) ? declName.parent.expression.name + : declName.parent.expression; + break; + case 0 /* AssignmentDeclarationKind.None */: + return ts.Debug.fail("Shouldn't have detected typedef or enum on non-assignment declaration"); + } + if (container) { + declareModuleMember(typeAlias, 524288 /* SymbolFlags.TypeAlias */, 788968 /* SymbolFlags.TypeAliasExcludes */); + } + container = oldContainer; + } + } + else if (ts.isJSDocEnumTag(typeAlias) || !typeAlias.fullName || typeAlias.fullName.kind === 79 /* SyntaxKind.Identifier */) { + parent = typeAlias.parent; + bindBlockScopedDeclaration(typeAlias, 524288 /* SymbolFlags.TypeAlias */, 788968 /* SymbolFlags.TypeAliasExcludes */); + } + else { + bind(typeAlias.fullName); + } + } + container = saveContainer; + lastContainer = saveLastContainer; + blockScopeContainer = saveBlockScopeContainer; + parent = saveParent; + currentFlow = saveCurrentFlow; + } + // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized + // check for reserved words used as identifiers in strict mode code, as well as `yield` or `await` in + // [Yield] or [Await] contexts, respectively. + function checkContextualIdentifier(node) { + // Report error only if there are no parse errors in file + if (!file.parseDiagnostics.length && + !(node.flags & 16777216 /* NodeFlags.Ambient */) && + !(node.flags & 8388608 /* NodeFlags.JSDoc */) && + !ts.isIdentifierName(node)) { + // strict mode identifiers + if (inStrictMode && + node.originalKeywordKind >= 117 /* SyntaxKind.FirstFutureReservedWord */ && + node.originalKeywordKind <= 125 /* SyntaxKind.LastFutureReservedWord */) { + file.bindDiagnostics.push(createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } + else if (node.originalKeywordKind === 132 /* SyntaxKind.AwaitKeyword */) { + if (ts.isExternalModule(file) && ts.isInTopLevelContext(node)) { + file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_at_the_top_level_of_a_module, ts.declarationNameToString(node))); + } + else if (node.flags & 32768 /* NodeFlags.AwaitContext */) { + file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here, ts.declarationNameToString(node))); + } + } + else if (node.originalKeywordKind === 125 /* SyntaxKind.YieldKeyword */ && node.flags & 8192 /* NodeFlags.YieldContext */) { + file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here, ts.declarationNameToString(node))); + } + } + } + function getStrictModeIdentifierMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + // The binder visits every node, so this is a good place to check for + // the reserved private name (there is only one) + function checkPrivateIdentifier(node) { + if (node.escapedText === "#constructor") { + // Report error only if there are no parse errors in file + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.constructor_is_a_reserved_word, ts.declarationNameToString(node))); + } + } + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an + // Assignment operator(11.13) or of a PostfixExpression(11.3) + checkStrictModeEvalOrArguments(node, node.left); + } + } + function checkStrictModeCatchClause(node) { + // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the + // Catch production is eval or arguments + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); + } + } + function checkStrictModeDeleteExpression(node) { + // Grammar checking + if (inStrictMode && node.expression.kind === 79 /* SyntaxKind.Identifier */) { + // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its + // UnaryExpression is a direct reference to a variable, function argument, or function name + var span = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + } + } + function isEvalOrArgumentsIdentifier(node) { + return ts.isIdentifier(node) && (node.escapedText === "eval" || node.escapedText === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 79 /* SyntaxKind.Identifier */) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + // We check first if the name is inside class declaration or class expression; if so give explicit message + // otherwise report generic error message. + var span = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), ts.idText(identifier))); + } + } + } + function getStrictModeEvalOrArgumentsMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Code_contained_in_a_class_is_evaluated_in_JavaScript_s_strict_mode_which_does_not_allow_this_use_of_0_For_more_information_see_https_Colon_Slash_Slashdeveloper_mozilla_org_Slashen_US_Slashdocs_SlashWeb_SlashJavaScript_SlashReference_SlashStrict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; + } + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1)) + checkStrictModeEvalOrArguments(node, node.name); + } + } + function getStrictModeBlockScopeFunctionDeclarationMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5; + } + function checkStrictModeFunctionDeclaration(node) { + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + // Report error if function is not top level function declaration + if (blockScopeContainer.kind !== 305 /* SyntaxKind.SourceFile */ && + blockScopeContainer.kind !== 261 /* SyntaxKind.ModuleDeclaration */ && + !ts.isFunctionLikeOrClassStaticBlockDeclaration(blockScopeContainer)) { + // We check first if the name is inside class declaration or class expression; if so give explicit message + // otherwise report generic error message. + var errorSpan = ts.getErrorSpanForNode(file, node); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node))); + } + } + } + function checkStrictModeNumericLiteral(node) { + if (languageVersion < 1 /* ScriptTarget.ES5 */ && inStrictMode && node.numericLiteralFlags & 32 /* TokenFlags.Octal */) { + file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + } + } + function checkStrictModePostfixUnaryExpression(node) { + // Grammar checking + // The identifier eval or arguments may not appear as the LeftHandSideExpression of an + // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression + // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator. + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + function checkStrictModePrefixUnaryExpression(node) { + // Grammar checking + if (inStrictMode) { + if (node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + } + function checkStrictModeWithStatement(node) { + // Grammar checking for withStatement + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + } + } + function checkStrictModeLabeledStatement(node) { + // Grammar checking for labeledStatement + if (inStrictMode && ts.getEmitScriptTarget(options) >= 2 /* ScriptTarget.ES2015 */) { + if (ts.isDeclarationStatement(node.statement) || ts.isVariableStatement(node.statement)) { + errorOnFirstToken(node.label, ts.Diagnostics.A_label_is_not_allowed_here); + } + } + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function errorOrSuggestionOnNode(isError, node, message) { + errorOrSuggestionOnRange(isError, node, node, message); + } + function errorOrSuggestionOnRange(isError, startNode, endNode, message) { + addErrorOrSuggestionDiagnostic(isError, { pos: ts.getTokenPosOfNode(startNode, file), end: endNode.end }, message); + } + function addErrorOrSuggestionDiagnostic(isError, range, message) { + var diag = ts.createFileDiagnostic(file, range.pos, range.end - range.pos, message); + if (isError) { + file.bindDiagnostics.push(diag); + } + else { + file.bindSuggestionDiagnostics = ts.append(file.bindSuggestionDiagnostics, __assign(__assign({}, diag), { category: ts.DiagnosticCategory.Suggestion })); + } + } + function bind(node) { + if (!node) { + return; + } + ts.setParent(node, parent); + if (ts.tracing) + node.tracingPath = file.path; + var saveInStrictMode = inStrictMode; + // Even though in the AST the jsdoc @typedef node belongs to the current node, + // its symbol might be in the same scope with the current node's symbol. Consider: + // + // /** @typedef {string | number} MyType */ + // function foo(); + // + // Here the current node is "foo", which is a container, but the scope of "MyType" should + // not be inside "foo". Therefore we always bind @typedef before bind the parent node, + // and skip binding this tag later when binding all the other jsdoc tags. + // First we bind declaration nodes to a symbol if possible. We'll both create a symbol + // and then potentially add the symbol to an appropriate symbol table. Possible + // destination symbol tables are: + // + // 1) The 'exports' table of the current container's symbol. + // 2) The 'members' table of the current container's symbol. + // 3) The 'locals' table of the current container. + // + // However, not all symbols will end up in any of these tables. 'Anonymous' symbols + // (like TypeLiterals for example) will not be put in any table. + bindWorker(node); + // Then we recurse into the children of the node to bind them as well. For certain + // symbols we do specialized work when we recurse. For example, we'll keep track of + // the current 'container' node when it changes. This helps us know which symbol table + // a local should go into for example. Since terminal nodes are known not to have + // children, as an optimization we don't process those. + if (node.kind > 160 /* SyntaxKind.LastToken */) { + var saveParent = parent; + parent = node; + var containerFlags = getContainerFlags(node); + if (containerFlags === 0 /* ContainerFlags.None */) { + bindChildren(node); + } + else { + bindContainer(node, containerFlags); + } + parent = saveParent; + } + else { + var saveParent = parent; + if (node.kind === 1 /* SyntaxKind.EndOfFileToken */) + parent = node; + bindJSDoc(node); + parent = saveParent; + } + inStrictMode = saveInStrictMode; + } + function bindJSDoc(node) { + if (ts.hasJSDocNodes(node)) { + if (ts.isInJSFile(node)) { + for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) { + var j = _a[_i]; + bind(j); + } + } + else { + for (var _b = 0, _c = node.jsDoc; _b < _c.length; _b++) { + var j = _c[_b]; + ts.setParent(j, node); + ts.setParentRecursive(j, /*incremental*/ false); + } + } + } + } + function updateStrictModeStatementList(statements) { + if (!inStrictMode) { + for (var _i = 0, statements_3 = statements; _i < statements_3.length; _i++) { + var statement = statements_3[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } + } + } + } + /// Should be called only on prologue directives (isPrologueDirective(node) should be true) + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getSourceTextOfNodeFromSourceFile(file, node.expression); + // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the + // string to contain unicode escapes (as per ES5). + return nodeText === '"use strict"' || nodeText === "'use strict'"; + } + function bindWorker(node) { + switch (node.kind) { + /* Strict mode checks */ + case 79 /* SyntaxKind.Identifier */: + // for typedef type names with namespaces, bind the new jsdoc type symbol here + // because it requires all containing namespaces to be in effect, namely the + // current "blockScopeContainer" needs to be set to its immediate namespace parent. + if (node.isInJSDocNamespace) { + var parentNode = node.parent; + while (parentNode && !ts.isJSDocTypeAlias(parentNode)) { + parentNode = parentNode.parent; + } + bindBlockScopedDeclaration(parentNode, 524288 /* SymbolFlags.TypeAlias */, 788968 /* SymbolFlags.TypeAliasExcludes */); + break; + } + // falls through + case 108 /* SyntaxKind.ThisKeyword */: + if (currentFlow && (ts.isExpression(node) || parent.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */)) { + node.flowNode = currentFlow; + } + return checkContextualIdentifier(node); + case 161 /* SyntaxKind.QualifiedName */: + if (currentFlow && ts.isPartOfTypeQuery(node)) { + node.flowNode = currentFlow; + } + break; + case 231 /* SyntaxKind.MetaProperty */: + case 106 /* SyntaxKind.SuperKeyword */: + node.flowNode = currentFlow; + break; + case 80 /* SyntaxKind.PrivateIdentifier */: + return checkPrivateIdentifier(node); + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + var expr = node; + if (currentFlow && isNarrowableReference(expr)) { + expr.flowNode = currentFlow; + } + if (ts.isSpecialPropertyDeclaration(expr)) { + bindSpecialPropertyDeclaration(expr); + } + if (ts.isInJSFile(expr) && + file.commonJsModuleIndicator && + ts.isModuleExportsAccessExpression(expr) && + !lookupSymbolForName(blockScopeContainer, "module")) { + declareSymbol(file.locals, /*parent*/ undefined, expr.expression, 1 /* SymbolFlags.FunctionScopedVariable */ | 134217728 /* SymbolFlags.ModuleExports */, 111550 /* SymbolFlags.FunctionScopedVariableExcludes */); + } + break; + case 221 /* SyntaxKind.BinaryExpression */: + var specialKind = ts.getAssignmentDeclarationKind(node); + switch (specialKind) { + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + bindExportsPropertyAssignment(node); + break; + case 2 /* AssignmentDeclarationKind.ModuleExports */: + bindModuleExportsAssignment(node); + break; + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: + bindPrototypePropertyAssignment(node.left, node); + break; + case 6 /* AssignmentDeclarationKind.Prototype */: + bindPrototypeAssignment(node); + break; + case 4 /* AssignmentDeclarationKind.ThisProperty */: + bindThisPropertyAssignment(node); + break; + case 5 /* AssignmentDeclarationKind.Property */: + var expression = node.left.expression; + if (ts.isInJSFile(node) && ts.isIdentifier(expression)) { + var symbol = lookupSymbolForName(blockScopeContainer, expression.escapedText); + if (ts.isThisInitializedDeclaration(symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration)) { + bindThisPropertyAssignment(node); + break; + } + } + bindSpecialPropertyAssignment(node); + break; + case 0 /* AssignmentDeclarationKind.None */: + // Nothing to do + break; + default: + ts.Debug.fail("Unknown binary expression special property assignment kind"); + } + return checkStrictModeBinaryExpression(node); + case 292 /* SyntaxKind.CatchClause */: + return checkStrictModeCatchClause(node); + case 215 /* SyntaxKind.DeleteExpression */: + return checkStrictModeDeleteExpression(node); + case 8 /* SyntaxKind.NumericLiteral */: + return checkStrictModeNumericLiteral(node); + case 220 /* SyntaxKind.PostfixUnaryExpression */: + return checkStrictModePostfixUnaryExpression(node); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + return checkStrictModePrefixUnaryExpression(node); + case 248 /* SyntaxKind.WithStatement */: + return checkStrictModeWithStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return checkStrictModeLabeledStatement(node); + case 192 /* SyntaxKind.ThisType */: + seenThisKeyword = true; + return; + case 177 /* SyntaxKind.TypePredicate */: + break; // Binding the children will handle everything + case 163 /* SyntaxKind.TypeParameter */: + return bindTypeParameter(node); + case 164 /* SyntaxKind.Parameter */: + return bindParameter(node); + case 254 /* SyntaxKind.VariableDeclaration */: + return bindVariableDeclarationOrBindingElement(node); + case 203 /* SyntaxKind.BindingElement */: + node.flowNode = currentFlow; + return bindVariableDeclarationOrBindingElement(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + return bindPropertyWorker(node); + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return bindPropertyOrMethodOrAccessor(node, 4 /* SymbolFlags.Property */, 0 /* SymbolFlags.PropertyExcludes */); + case 299 /* SyntaxKind.EnumMember */: + return bindPropertyOrMethodOrAccessor(node, 8 /* SymbolFlags.EnumMember */, 900095 /* SymbolFlags.EnumMemberExcludes */); + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 176 /* SyntaxKind.IndexSignature */: + return declareSymbolAndAddToSymbolTable(node, 131072 /* SymbolFlags.Signature */, 0 /* SymbolFlags.None */); + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + // If this is an ObjectLiteralExpression method, then it sits in the same space + // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes + // so that it will conflict with any other object literal members with the same + // name. + return bindPropertyOrMethodOrAccessor(node, 8192 /* SymbolFlags.Method */ | (node.questionToken ? 16777216 /* SymbolFlags.Optional */ : 0 /* SymbolFlags.None */), ts.isObjectLiteralMethod(node) ? 0 /* SymbolFlags.PropertyExcludes */ : 103359 /* SymbolFlags.MethodExcludes */); + case 256 /* SyntaxKind.FunctionDeclaration */: + return bindFunctionDeclaration(node); + case 171 /* SyntaxKind.Constructor */: + return declareSymbolAndAddToSymbolTable(node, 16384 /* SymbolFlags.Constructor */, /*symbolExcludes:*/ 0 /* SymbolFlags.None */); + case 172 /* SyntaxKind.GetAccessor */: + return bindPropertyOrMethodOrAccessor(node, 32768 /* SymbolFlags.GetAccessor */, 46015 /* SymbolFlags.GetAccessorExcludes */); + case 173 /* SyntaxKind.SetAccessor */: + return bindPropertyOrMethodOrAccessor(node, 65536 /* SymbolFlags.SetAccessor */, 78783 /* SymbolFlags.SetAccessorExcludes */); + case 179 /* SyntaxKind.FunctionType */: + case 317 /* SyntaxKind.JSDocFunctionType */: + case 323 /* SyntaxKind.JSDocSignature */: + case 180 /* SyntaxKind.ConstructorType */: + return bindFunctionOrConstructorType(node); + case 182 /* SyntaxKind.TypeLiteral */: + case 322 /* SyntaxKind.JSDocTypeLiteral */: + case 195 /* SyntaxKind.MappedType */: + return bindAnonymousTypeWorker(node); + case 332 /* SyntaxKind.JSDocClassTag */: + return bindJSDocClassTag(node); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return bindObjectLiteralExpression(node); + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return bindFunctionExpression(node); + case 208 /* SyntaxKind.CallExpression */: + var assignmentKind = ts.getAssignmentDeclarationKind(node); + switch (assignmentKind) { + case 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */: + return bindObjectDefinePropertyAssignment(node); + case 8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */: + return bindObjectDefinePropertyExport(node); + case 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */: + return bindObjectDefinePrototypeProperty(node); + case 0 /* AssignmentDeclarationKind.None */: + break; // Nothing to do + default: + return ts.Debug.fail("Unknown call expression assignment declaration kind"); + } + if (ts.isInJSFile(node)) { + bindCallExpression(node); + } + break; + // Members of classes, interfaces, and modules + case 226 /* SyntaxKind.ClassExpression */: + case 257 /* SyntaxKind.ClassDeclaration */: + // All classes are automatically in strict mode in ES6. + inStrictMode = true; + return bindClassLikeDeclaration(node); + case 258 /* SyntaxKind.InterfaceDeclaration */: + return bindBlockScopedDeclaration(node, 64 /* SymbolFlags.Interface */, 788872 /* SymbolFlags.InterfaceExcludes */); + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return bindBlockScopedDeclaration(node, 524288 /* SymbolFlags.TypeAlias */, 788968 /* SymbolFlags.TypeAliasExcludes */); + case 260 /* SyntaxKind.EnumDeclaration */: + return bindEnumDeclaration(node); + case 261 /* SyntaxKind.ModuleDeclaration */: + return bindModuleDeclaration(node); + // Jsx-attributes + case 286 /* SyntaxKind.JsxAttributes */: + return bindJsxAttributes(node); + case 285 /* SyntaxKind.JsxAttribute */: + return bindJsxAttribute(node, 4 /* SymbolFlags.Property */, 0 /* SymbolFlags.PropertyExcludes */); + // Imports and exports + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 268 /* SyntaxKind.NamespaceImport */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: + return declareSymbolAndAddToSymbolTable(node, 2097152 /* SymbolFlags.Alias */, 2097152 /* SymbolFlags.AliasExcludes */); + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + return bindNamespaceExportDeclaration(node); + case 267 /* SyntaxKind.ImportClause */: + return bindImportClause(node); + case 272 /* SyntaxKind.ExportDeclaration */: + return bindExportDeclaration(node); + case 271 /* SyntaxKind.ExportAssignment */: + return bindExportAssignment(node); + case 305 /* SyntaxKind.SourceFile */: + updateStrictModeStatementList(node.statements); + return bindSourceFileIfExternalModule(); + case 235 /* SyntaxKind.Block */: + if (!ts.isFunctionLikeOrClassStaticBlockDeclaration(node.parent)) { + return; + } + // falls through + case 262 /* SyntaxKind.ModuleBlock */: + return updateStrictModeStatementList(node.statements); + case 340 /* SyntaxKind.JSDocParameterTag */: + if (node.parent.kind === 323 /* SyntaxKind.JSDocSignature */) { + return bindParameter(node); + } + if (node.parent.kind !== 322 /* SyntaxKind.JSDocTypeLiteral */) { + break; + } + // falls through + case 347 /* SyntaxKind.JSDocPropertyTag */: + var propTag = node; + var flags = propTag.isBracketed || propTag.typeExpression && propTag.typeExpression.type.kind === 316 /* SyntaxKind.JSDocOptionalType */ ? + 4 /* SymbolFlags.Property */ | 16777216 /* SymbolFlags.Optional */ : + 4 /* SymbolFlags.Property */; + return declareSymbolAndAddToSymbolTable(propTag, flags, 0 /* SymbolFlags.PropertyExcludes */); + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + return (delayedTypeAliases || (delayedTypeAliases = [])).push(node); + } + } + function bindPropertyWorker(node) { + return bindPropertyOrMethodOrAccessor(node, 4 /* SymbolFlags.Property */ | (node.questionToken ? 16777216 /* SymbolFlags.Optional */ : 0 /* SymbolFlags.None */), 0 /* SymbolFlags.PropertyExcludes */); + } + function bindAnonymousTypeWorker(node) { + return bindAnonymousDeclaration(node, 2048 /* SymbolFlags.TypeLiteral */, "__type" /* InternalSymbolName.Type */); + } + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); + } + else if (ts.isJsonSourceFile(file)) { + bindSourceFileAsExternalModule(); + // Create symbol equivalent for the module.exports = {} + var originalSymbol = file.symbol; + declareSymbol(file.symbol.exports, file.symbol, file, 4 /* SymbolFlags.Property */, 67108863 /* SymbolFlags.All */); + file.symbol = originalSymbol; + } + } + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512 /* SymbolFlags.ValueModule */, "\"".concat(ts.removeFileExtension(file.fileName), "\"")); + } + function bindExportAssignment(node) { + if (!container.symbol || !container.symbol.exports) { + // Incorrect export assignment in some sort of block construct + bindAnonymousDeclaration(node, 111551 /* SymbolFlags.Value */, getDeclarationName(node)); + } + else { + var flags = ts.exportAssignmentIsAlias(node) + // An export default clause with an EntityNameExpression or a class expression exports all meanings of that identifier or expression; + ? 2097152 /* SymbolFlags.Alias */ + // An export default clause with any other expression exports a value + : 4 /* SymbolFlags.Property */; + // If there is an `export default x;` alias declaration, can't `export default` anything else. + // (In contrast, you can still have `export default function f() {}` and `export default interface I {}`.) + var symbol = declareSymbol(container.symbol.exports, container.symbol, node, flags, 67108863 /* SymbolFlags.All */); + if (node.isExportEquals) { + // Will be an error later, since the module already has other exports. Just make sure this has a valueDeclaration set. + ts.setValueDeclaration(symbol, node); + } + } + } + function bindNamespaceExportDeclaration(node) { + if (node.modifiers && node.modifiers.length) { + file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here)); + } + var diag = !ts.isSourceFile(node.parent) ? ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level + : !ts.isExternalModule(node.parent) ? ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files + : !node.parent.isDeclarationFile ? ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files + : undefined; + if (diag) { + file.bindDiagnostics.push(createDiagnosticForNode(node, diag)); + } + else { + file.symbol.globalExports = file.symbol.globalExports || ts.createSymbolTable(); + declareSymbol(file.symbol.globalExports, file.symbol, node, 2097152 /* SymbolFlags.Alias */, 2097152 /* SymbolFlags.AliasExcludes */); + } + } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + // Export * in some sort of block construct + bindAnonymousDeclaration(node, 8388608 /* SymbolFlags.ExportStar */, getDeclarationName(node)); + } + else if (!node.exportClause) { + // All export * declarations are collected in an __export symbol + declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* SymbolFlags.ExportStar */, 0 /* SymbolFlags.None */); + } + else if (ts.isNamespaceExport(node.exportClause)) { + // declareSymbol walks up parents to find name text, parent _must_ be set + // but won't be set by the normal binder walk until `bindChildren` later on. + ts.setParent(node.exportClause, node); + declareSymbol(container.symbol.exports, container.symbol, node.exportClause, 2097152 /* SymbolFlags.Alias */, 2097152 /* SymbolFlags.AliasExcludes */); + } + } + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 2097152 /* SymbolFlags.Alias */, 2097152 /* SymbolFlags.AliasExcludes */); + } + } + function setCommonJsModuleIndicator(node) { + if (file.externalModuleIndicator && file.externalModuleIndicator !== true) { + return false; + } + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + if (!file.externalModuleIndicator) { + bindSourceFileAsExternalModule(); + } + } + return true; + } + function bindObjectDefinePropertyExport(node) { + if (!setCommonJsModuleIndicator(node)) { + return; + } + var symbol = forEachIdentifierInEntityName(node.arguments[0], /*parent*/ undefined, function (id, symbol) { + if (symbol) { + addDeclarationToSymbol(symbol, id, 1536 /* SymbolFlags.Module */ | 67108864 /* SymbolFlags.Assignment */); + } + return symbol; + }); + if (symbol) { + var flags = 4 /* SymbolFlags.Property */ | 1048576 /* SymbolFlags.ExportValue */; + declareSymbol(symbol.exports, symbol, node, flags, 0 /* SymbolFlags.None */); + } + } + function bindExportsPropertyAssignment(node) { + // When we create a property via 'exports.foo = bar', the 'exports.foo' property access + // expression is the declaration + if (!setCommonJsModuleIndicator(node)) { + return; + } + var symbol = forEachIdentifierInEntityName(node.left.expression, /*parent*/ undefined, function (id, symbol) { + if (symbol) { + addDeclarationToSymbol(symbol, id, 1536 /* SymbolFlags.Module */ | 67108864 /* SymbolFlags.Assignment */); + } + return symbol; + }); + if (symbol) { + var isAlias = ts.isAliasableExpression(node.right) && (ts.isExportsIdentifier(node.left.expression) || ts.isModuleExportsAccessExpression(node.left.expression)); + var flags = isAlias ? 2097152 /* SymbolFlags.Alias */ : 4 /* SymbolFlags.Property */ | 1048576 /* SymbolFlags.ExportValue */; + ts.setParent(node.left, node); + declareSymbol(symbol.exports, symbol, node.left, flags, 0 /* SymbolFlags.None */); + } + } + function bindModuleExportsAssignment(node) { + // A common practice in node modules is to set 'export = module.exports = {}', this ensures that 'exports' + // is still pointing to 'module.exports'. + // We do not want to consider this as 'export=' since a module can have only one of these. + // Similarly we do not want to treat 'module.exports = exports' as an 'export='. + if (!setCommonJsModuleIndicator(node)) { + return; + } + var assignedExpression = ts.getRightMostAssignedExpression(node.right); + if (ts.isEmptyObjectLiteral(assignedExpression) || container === file && isExportsOrModuleExportsOrAlias(file, assignedExpression)) { + return; + } + if (ts.isObjectLiteralExpression(assignedExpression) && ts.every(assignedExpression.properties, ts.isShorthandPropertyAssignment)) { + ts.forEach(assignedExpression.properties, bindExportAssignedObjectMemberAlias); + return; + } + // 'module.exports = expr' assignment + var flags = ts.exportAssignmentIsAlias(node) + ? 2097152 /* SymbolFlags.Alias */ + : 4 /* SymbolFlags.Property */ | 1048576 /* SymbolFlags.ExportValue */ | 512 /* SymbolFlags.ValueModule */; + var symbol = declareSymbol(file.symbol.exports, file.symbol, node, flags | 67108864 /* SymbolFlags.Assignment */, 0 /* SymbolFlags.None */); + ts.setValueDeclaration(symbol, node); + } + function bindExportAssignedObjectMemberAlias(node) { + declareSymbol(file.symbol.exports, file.symbol, node, 2097152 /* SymbolFlags.Alias */ | 67108864 /* SymbolFlags.Assignment */, 0 /* SymbolFlags.None */); + } + function bindThisPropertyAssignment(node) { + ts.Debug.assert(ts.isInJSFile(node)); + // private identifiers *must* be declared (even in JS files) + var hasPrivateIdentifier = (ts.isBinaryExpression(node) && ts.isPropertyAccessExpression(node.left) && ts.isPrivateIdentifier(node.left.name)) + || (ts.isPropertyAccessExpression(node) && ts.isPrivateIdentifier(node.name)); + if (hasPrivateIdentifier) { + return; + } + var thisContainer = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + switch (thisContainer.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + var constructorSymbol = thisContainer.symbol; + // For `f.prototype.m = function() { this.x = 0; }`, `this.x = 0` should modify `f`'s members, not the function expression. + if (ts.isBinaryExpression(thisContainer.parent) && thisContainer.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + var l = thisContainer.parent.left; + if (ts.isBindableStaticAccessExpression(l) && ts.isPrototypeAccess(l.expression)) { + constructorSymbol = lookupSymbolForPropertyAccess(l.expression.expression, thisParentContainer); + } + } + if (constructorSymbol && constructorSymbol.valueDeclaration) { + // Declare a 'member' if the container is an ES5 class or ES6 constructor + constructorSymbol.members = constructorSymbol.members || ts.createSymbolTable(); + // It's acceptable for multiple 'this' assignments of the same identifier to occur + if (ts.hasDynamicName(node)) { + bindDynamicallyNamedThisPropertyAssignment(node, constructorSymbol, constructorSymbol.members); + } + else { + declareSymbol(constructorSymbol.members, constructorSymbol, node, 4 /* SymbolFlags.Property */ | 67108864 /* SymbolFlags.Assignment */, 0 /* SymbolFlags.PropertyExcludes */ & ~4 /* SymbolFlags.Property */); + } + addDeclarationToSymbol(constructorSymbol, constructorSymbol.valueDeclaration, 32 /* SymbolFlags.Class */); + } + break; + case 171 /* SyntaxKind.Constructor */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + // this.foo assignment in a JavaScript class + // Bind this property to the containing class + var containingClass = thisContainer.parent; + var symbolTable = ts.isStatic(thisContainer) ? containingClass.symbol.exports : containingClass.symbol.members; + if (ts.hasDynamicName(node)) { + bindDynamicallyNamedThisPropertyAssignment(node, containingClass.symbol, symbolTable); + } + else { + declareSymbol(symbolTable, containingClass.symbol, node, 4 /* SymbolFlags.Property */ | 67108864 /* SymbolFlags.Assignment */, 0 /* SymbolFlags.None */, /*isReplaceableByMethod*/ true); + } + break; + case 305 /* SyntaxKind.SourceFile */: + // this.property = assignment in a source file -- declare symbol in exports for a module, in locals for a script + if (ts.hasDynamicName(node)) { + break; + } + else if (thisContainer.commonJsModuleIndicator) { + declareSymbol(thisContainer.symbol.exports, thisContainer.symbol, node, 4 /* SymbolFlags.Property */ | 1048576 /* SymbolFlags.ExportValue */, 0 /* SymbolFlags.None */); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* SymbolFlags.FunctionScopedVariable */, 111550 /* SymbolFlags.FunctionScopedVariableExcludes */); + } + break; + default: + ts.Debug.failBadSyntaxKind(thisContainer); + } + } + function bindDynamicallyNamedThisPropertyAssignment(node, symbol, symbolTable) { + declareSymbol(symbolTable, symbol, node, 4 /* SymbolFlags.Property */, 0 /* SymbolFlags.None */, /*isReplaceableByMethod*/ true, /*isComputedName*/ true); + addLateBoundAssignmentDeclarationToSymbol(node, symbol); + } + function addLateBoundAssignmentDeclarationToSymbol(node, symbol) { + if (symbol) { + (symbol.assignmentDeclarationMembers || (symbol.assignmentDeclarationMembers = new ts.Map())).set(ts.getNodeId(node), node); + } + } + function bindSpecialPropertyDeclaration(node) { + if (node.expression.kind === 108 /* SyntaxKind.ThisKeyword */) { + bindThisPropertyAssignment(node); + } + else if (ts.isBindableStaticAccessExpression(node) && node.parent.parent.kind === 305 /* SyntaxKind.SourceFile */) { + if (ts.isPrototypeAccess(node.expression)) { + bindPrototypePropertyAssignment(node, node.parent); + } + else { + bindStaticPropertyAssignment(node); + } + } + } + /** For `x.prototype = { p, ... }`, declare members p,... if `x` is function/class/{}, or not declared. */ + function bindPrototypeAssignment(node) { + ts.setParent(node.left, node); + ts.setParent(node.right, node); + bindPropertyAssignment(node.left.expression, node.left, /*isPrototypeProperty*/ false, /*containerIsClass*/ true); + } + function bindObjectDefinePrototypeProperty(node) { + var namespaceSymbol = lookupSymbolForPropertyAccess(node.arguments[0].expression); + if (namespaceSymbol && namespaceSymbol.valueDeclaration) { + // Ensure the namespace symbol becomes class-like + addDeclarationToSymbol(namespaceSymbol, namespaceSymbol.valueDeclaration, 32 /* SymbolFlags.Class */); + } + bindPotentiallyNewExpandoMemberToNamespace(node, namespaceSymbol, /*isPrototypeProperty*/ true); + } + /** + * For `x.prototype.y = z`, declare a member `y` on `x` if `x` is a function or class, or not declared. + * Note that jsdoc preceding an ExpressionStatement like `x.prototype.y;` is also treated as a declaration. + */ + function bindPrototypePropertyAssignment(lhs, parent) { + // Look up the function in the local scope, since prototype assignments should + // follow the function declaration + var classPrototype = lhs.expression; + var constructorFunction = classPrototype.expression; + // Fix up parent pointers since we're going to use these nodes before we bind into them + ts.setParent(constructorFunction, classPrototype); + ts.setParent(classPrototype, lhs); + ts.setParent(lhs, parent); + bindPropertyAssignment(constructorFunction, lhs, /*isPrototypeProperty*/ true, /*containerIsClass*/ true); + } + function bindObjectDefinePropertyAssignment(node) { + var namespaceSymbol = lookupSymbolForPropertyAccess(node.arguments[0]); + var isToplevel = node.parent.parent.kind === 305 /* SyntaxKind.SourceFile */; + namespaceSymbol = bindPotentiallyMissingNamespaces(namespaceSymbol, node.arguments[0], isToplevel, /*isPrototypeProperty*/ false, /*containerIsClass*/ false); + bindPotentiallyNewExpandoMemberToNamespace(node, namespaceSymbol, /*isPrototypeProperty*/ false); + } + function bindSpecialPropertyAssignment(node) { + var _a; + // Class declarations in Typescript do not allow property declarations + var parentSymbol = lookupSymbolForPropertyAccess(node.left.expression, container) || lookupSymbolForPropertyAccess(node.left.expression, blockScopeContainer); + if (!ts.isInJSFile(node) && !ts.isFunctionSymbol(parentSymbol)) { + return; + } + var rootExpr = ts.getLeftmostAccessExpression(node.left); + if (ts.isIdentifier(rootExpr) && ((_a = lookupSymbolForName(container, rootExpr.escapedText)) === null || _a === void 0 ? void 0 : _a.flags) & 2097152 /* SymbolFlags.Alias */) { + return; + } + // Fix up parent pointers since we're going to use these nodes before we bind into them + ts.setParent(node.left, node); + ts.setParent(node.right, node); + if (ts.isIdentifier(node.left.expression) && container === file && isExportsOrModuleExportsOrAlias(file, node.left.expression)) { + // This can be an alias for the 'exports' or 'module.exports' names, e.g. + // var util = module.exports; + // util.property = function ... + bindExportsPropertyAssignment(node); + } + else if (ts.hasDynamicName(node)) { + bindAnonymousDeclaration(node, 4 /* SymbolFlags.Property */ | 67108864 /* SymbolFlags.Assignment */, "__computed" /* InternalSymbolName.Computed */); + var sym = bindPotentiallyMissingNamespaces(parentSymbol, node.left.expression, isTopLevelNamespaceAssignment(node.left), /*isPrototype*/ false, /*containerIsClass*/ false); + addLateBoundAssignmentDeclarationToSymbol(node, sym); + } + else { + bindStaticPropertyAssignment(ts.cast(node.left, ts.isBindableStaticNameExpression)); + } + } + /** + * For nodes like `x.y = z`, declare a member 'y' on 'x' if x is a function (or IIFE) or class or {}, or not declared. + * Also works for expression statements preceded by JSDoc, like / ** @type number * / x.y; + */ + function bindStaticPropertyAssignment(node) { + ts.Debug.assert(!ts.isIdentifier(node)); + ts.setParent(node.expression, node); + bindPropertyAssignment(node.expression, node, /*isPrototypeProperty*/ false, /*containerIsClass*/ false); + } + function bindPotentiallyMissingNamespaces(namespaceSymbol, entityName, isToplevel, isPrototypeProperty, containerIsClass) { + if ((namespaceSymbol === null || namespaceSymbol === void 0 ? void 0 : namespaceSymbol.flags) & 2097152 /* SymbolFlags.Alias */) { + return namespaceSymbol; + } + if (isToplevel && !isPrototypeProperty) { + // make symbols or add declarations for intermediate containers + var flags_2 = 1536 /* SymbolFlags.Module */ | 67108864 /* SymbolFlags.Assignment */; + var excludeFlags_1 = 110735 /* SymbolFlags.ValueModuleExcludes */ & ~67108864 /* SymbolFlags.Assignment */; + namespaceSymbol = forEachIdentifierInEntityName(entityName, namespaceSymbol, function (id, symbol, parent) { + if (symbol) { + addDeclarationToSymbol(symbol, id, flags_2); + return symbol; + } + else { + var table = parent ? parent.exports : + file.jsGlobalAugmentations || (file.jsGlobalAugmentations = ts.createSymbolTable()); + return declareSymbol(table, parent, id, flags_2, excludeFlags_1); + } + }); + } + if (containerIsClass && namespaceSymbol && namespaceSymbol.valueDeclaration) { + addDeclarationToSymbol(namespaceSymbol, namespaceSymbol.valueDeclaration, 32 /* SymbolFlags.Class */); + } + return namespaceSymbol; + } + function bindPotentiallyNewExpandoMemberToNamespace(declaration, namespaceSymbol, isPrototypeProperty) { + if (!namespaceSymbol || !isExpandoSymbol(namespaceSymbol)) { + return; + } + // Set up the members collection if it doesn't exist already + var symbolTable = isPrototypeProperty ? + (namespaceSymbol.members || (namespaceSymbol.members = ts.createSymbolTable())) : + (namespaceSymbol.exports || (namespaceSymbol.exports = ts.createSymbolTable())); + var includes = 0 /* SymbolFlags.None */; + var excludes = 0 /* SymbolFlags.None */; + // Method-like + if (ts.isFunctionLikeDeclaration(ts.getAssignedExpandoInitializer(declaration))) { + includes = 8192 /* SymbolFlags.Method */; + excludes = 103359 /* SymbolFlags.MethodExcludes */; + } + // Maybe accessor-like + else if (ts.isCallExpression(declaration) && ts.isBindableObjectDefinePropertyCall(declaration)) { + if (ts.some(declaration.arguments[2].properties, function (p) { + var id = ts.getNameOfDeclaration(p); + return !!id && ts.isIdentifier(id) && ts.idText(id) === "set"; + })) { + // We mix in `SymbolFLags.Property` so in the checker `getTypeOfVariableParameterOrProperty` is used for this + // symbol, instead of `getTypeOfAccessor` (which will assert as there is no real accessor declaration) + includes |= 65536 /* SymbolFlags.SetAccessor */ | 4 /* SymbolFlags.Property */; + excludes |= 78783 /* SymbolFlags.SetAccessorExcludes */; + } + if (ts.some(declaration.arguments[2].properties, function (p) { + var id = ts.getNameOfDeclaration(p); + return !!id && ts.isIdentifier(id) && ts.idText(id) === "get"; + })) { + includes |= 32768 /* SymbolFlags.GetAccessor */ | 4 /* SymbolFlags.Property */; + excludes |= 46015 /* SymbolFlags.GetAccessorExcludes */; + } + } + if (includes === 0 /* SymbolFlags.None */) { + includes = 4 /* SymbolFlags.Property */; + excludes = 0 /* SymbolFlags.PropertyExcludes */; + } + declareSymbol(symbolTable, namespaceSymbol, declaration, includes | 67108864 /* SymbolFlags.Assignment */, excludes & ~67108864 /* SymbolFlags.Assignment */); + } + function isTopLevelNamespaceAssignment(propertyAccess) { + return ts.isBinaryExpression(propertyAccess.parent) + ? getParentOfBinaryExpression(propertyAccess.parent).parent.kind === 305 /* SyntaxKind.SourceFile */ + : propertyAccess.parent.parent.kind === 305 /* SyntaxKind.SourceFile */; + } + function bindPropertyAssignment(name, propertyAccess, isPrototypeProperty, containerIsClass) { + var namespaceSymbol = lookupSymbolForPropertyAccess(name, container) || lookupSymbolForPropertyAccess(name, blockScopeContainer); + var isToplevel = isTopLevelNamespaceAssignment(propertyAccess); + namespaceSymbol = bindPotentiallyMissingNamespaces(namespaceSymbol, propertyAccess.expression, isToplevel, isPrototypeProperty, containerIsClass); + bindPotentiallyNewExpandoMemberToNamespace(propertyAccess, namespaceSymbol, isPrototypeProperty); + } + /** + * Javascript expando values are: + * - Functions + * - classes + * - namespaces + * - variables initialized with function expressions + * - with class expressions + * - with empty object literals + * - with non-empty object literals if assigned to the prototype property + */ + function isExpandoSymbol(symbol) { + if (symbol.flags & (16 /* SymbolFlags.Function */ | 32 /* SymbolFlags.Class */ | 1024 /* SymbolFlags.NamespaceModule */)) { + return true; + } + var node = symbol.valueDeclaration; + if (node && ts.isCallExpression(node)) { + return !!ts.getAssignedExpandoInitializer(node); + } + var init = !node ? undefined : + ts.isVariableDeclaration(node) ? node.initializer : + ts.isBinaryExpression(node) ? node.right : + ts.isPropertyAccessExpression(node) && ts.isBinaryExpression(node.parent) ? node.parent.right : + undefined; + init = init && ts.getRightMostAssignedExpression(init); + if (init) { + var isPrototypeAssignment = ts.isPrototypeAccess(ts.isVariableDeclaration(node) ? node.name : ts.isBinaryExpression(node) ? node.left : node); + return !!ts.getExpandoInitializer(ts.isBinaryExpression(init) && (init.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || init.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */) ? init.right : init, isPrototypeAssignment); + } + return false; + } + function getParentOfBinaryExpression(expr) { + while (ts.isBinaryExpression(expr.parent)) { + expr = expr.parent; + } + return expr.parent; + } + function lookupSymbolForPropertyAccess(node, lookupContainer) { + if (lookupContainer === void 0) { lookupContainer = container; } + if (ts.isIdentifier(node)) { + return lookupSymbolForName(lookupContainer, node.escapedText); + } + else { + var symbol = lookupSymbolForPropertyAccess(node.expression); + return symbol && symbol.exports && symbol.exports.get(ts.getElementOrPropertyAccessName(node)); + } + } + function forEachIdentifierInEntityName(e, parent, action) { + if (isExportsOrModuleExportsOrAlias(file, e)) { + return file.symbol; + } + else if (ts.isIdentifier(e)) { + return action(e, lookupSymbolForPropertyAccess(e), parent); + } + else { + var s = forEachIdentifierInEntityName(e.expression, parent, action); + var name = ts.getNameOrArgument(e); + // unreachable + if (ts.isPrivateIdentifier(name)) { + ts.Debug.fail("unexpected PrivateIdentifier"); + } + return action(name, s && s.exports && s.exports.get(ts.getElementOrPropertyAccessName(e)), s); + } + } + function bindCallExpression(node) { + // We're only inspecting call expressions to detect CommonJS modules, so we can skip + // this check if we've already seen the module indicator + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (node.kind === 257 /* SyntaxKind.ClassDeclaration */) { + bindBlockScopedDeclaration(node, 32 /* SymbolFlags.Class */, 899503 /* SymbolFlags.ClassExcludes */); + } + else { + var bindingName = node.name ? node.name.escapedText : "__class" /* InternalSymbolName.Class */; + bindAnonymousDeclaration(node, 32 /* SymbolFlags.Class */, bindingName); + // Add name of class expression into the map for semantic classifier + if (node.name) { + classifiableNames.add(node.name.escapedText); + } + } + var symbol = node.symbol; + // TypeScript 1.0 spec (April 2014): 8.4 + // Every class automatically contains a static property member named 'prototype', the + // type of which is an instantiation of the class type with type Any supplied as a type + // argument for each type parameter. It is an error to explicitly declare a static + // property member with the name 'prototype'. + // + // Note: we check for this here because this class may be merging into a module. The + // module might have an exported variable called 'prototype'. We can't allow that as + // that would clash with the built-in 'prototype' for the class. + var prototypeSymbol = createSymbol(4 /* SymbolFlags.Property */ | 4194304 /* SymbolFlags.Prototype */, "prototype"); + var symbolExport = symbol.exports.get(prototypeSymbol.escapedName); + if (symbolExport) { + if (node.name) { + ts.setParent(node.name, node); + } + file.bindDiagnostics.push(createDiagnosticForNode(symbolExport.declarations[0], ts.Diagnostics.Duplicate_identifier_0, ts.symbolName(prototypeSymbol))); + } + symbol.exports.set(prototypeSymbol.escapedName, prototypeSymbol); + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isEnumConst(node) + ? bindBlockScopedDeclaration(node, 128 /* SymbolFlags.ConstEnum */, 899967 /* SymbolFlags.ConstEnumExcludes */) + : bindBlockScopedDeclaration(node, 256 /* SymbolFlags.RegularEnum */, 899327 /* SymbolFlags.RegularEnumExcludes */); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + var possibleVariableDecl = node.kind === 254 /* SyntaxKind.VariableDeclaration */ ? node : node.parent.parent; + if (ts.isInJSFile(node) && + ts.isVariableDeclarationInitializedToBareOrAccessedRequire(possibleVariableDecl) && + !ts.getJSDocTypeTag(node) && + !(ts.getCombinedModifierFlags(node) & 1 /* ModifierFlags.Export */)) { + declareSymbolAndAddToSymbolTable(node, 2097152 /* SymbolFlags.Alias */, 2097152 /* SymbolFlags.AliasExcludes */); + } + else if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedDeclaration(node, 2 /* SymbolFlags.BlockScopedVariable */, 111551 /* SymbolFlags.BlockScopedVariableExcludes */); + } + else if (ts.isParameterDeclaration(node)) { + // It is safe to walk up parent chain to find whether the node is a destructuring parameter declaration + // because its parent chain has already been set up, since parents are set before descending into children. + // + // If node is a binding element in parameter declaration, we need to use ParameterExcludes. + // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration + // For example: + // function foo([a,a]) {} // Duplicate Identifier error + // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter + // // which correctly set excluded symbols + declareSymbolAndAddToSymbolTable(node, 1 /* SymbolFlags.FunctionScopedVariable */, 111551 /* SymbolFlags.ParameterExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* SymbolFlags.FunctionScopedVariable */, 111550 /* SymbolFlags.FunctionScopedVariableExcludes */); + } + } + } + function bindParameter(node) { + if (node.kind === 340 /* SyntaxKind.JSDocParameterTag */ && container.kind !== 323 /* SyntaxKind.JSDocSignature */) { + return; + } + if (inStrictMode && !(node.flags & 16777216 /* NodeFlags.Ambient */)) { + // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a + // strict mode FunctionLikeDeclaration or FunctionExpression(13.1) + checkStrictModeEvalOrArguments(node, node.name); + } + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1 /* SymbolFlags.FunctionScopedVariable */, "__" + node.parent.parameters.indexOf(node)); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* SymbolFlags.FunctionScopedVariable */, 111551 /* SymbolFlags.ParameterExcludes */); + } + // If this is a property-parameter, then also declare the property symbol into the + // containing class. + if (ts.isParameterPropertyDeclaration(node, node.parent)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* SymbolFlags.Property */ | (node.questionToken ? 16777216 /* SymbolFlags.Optional */ : 0 /* SymbolFlags.None */), 0 /* SymbolFlags.PropertyExcludes */); + } + } + function bindFunctionDeclaration(node) { + if (!file.isDeclarationFile && !(node.flags & 16777216 /* NodeFlags.Ambient */)) { + if (ts.isAsyncFunction(node)) { + emitFlags |= 2048 /* NodeFlags.HasAsyncFunctions */; + } + } + checkStrictModeFunctionName(node); + if (inStrictMode) { + checkStrictModeFunctionDeclaration(node); + bindBlockScopedDeclaration(node, 16 /* SymbolFlags.Function */, 110991 /* SymbolFlags.FunctionExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 16 /* SymbolFlags.Function */, 110991 /* SymbolFlags.FunctionExcludes */); + } + } + function bindFunctionExpression(node) { + if (!file.isDeclarationFile && !(node.flags & 16777216 /* NodeFlags.Ambient */)) { + if (ts.isAsyncFunction(node)) { + emitFlags |= 2048 /* NodeFlags.HasAsyncFunctions */; + } + } + if (currentFlow) { + node.flowNode = currentFlow; + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.escapedText : "__function" /* InternalSymbolName.Function */; + return bindAnonymousDeclaration(node, 16 /* SymbolFlags.Function */, bindingName); + } + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!file.isDeclarationFile && !(node.flags & 16777216 /* NodeFlags.Ambient */) && ts.isAsyncFunction(node)) { + emitFlags |= 2048 /* NodeFlags.HasAsyncFunctions */; + } + if (currentFlow && ts.isObjectLiteralOrClassExpressionMethodOrAccessor(node)) { + node.flowNode = currentFlow; + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed" /* InternalSymbolName.Computed */) + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + function getInferTypeContainer(node) { + var extendsType = ts.findAncestor(node, function (n) { return n.parent && ts.isConditionalTypeNode(n.parent) && n.parent.extendsType === n; }); + return extendsType && extendsType.parent; + } + function bindTypeParameter(node) { + if (ts.isJSDocTemplateTag(node.parent)) { + var container_1 = ts.getEffectiveContainerForJSDocTemplateTag(node.parent); + if (container_1) { + if (!container_1.locals) { + container_1.locals = ts.createSymbolTable(); + } + declareSymbol(container_1.locals, /*parent*/ undefined, node, 262144 /* SymbolFlags.TypeParameter */, 526824 /* SymbolFlags.TypeParameterExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 262144 /* SymbolFlags.TypeParameter */, 526824 /* SymbolFlags.TypeParameterExcludes */); + } + } + else if (node.parent.kind === 190 /* SyntaxKind.InferType */) { + var container_2 = getInferTypeContainer(node.parent); + if (container_2) { + if (!container_2.locals) { + container_2.locals = ts.createSymbolTable(); + } + declareSymbol(container_2.locals, /*parent*/ undefined, node, 262144 /* SymbolFlags.TypeParameter */, 526824 /* SymbolFlags.TypeParameterExcludes */); + } + else { + bindAnonymousDeclaration(node, 262144 /* SymbolFlags.TypeParameter */, getDeclarationName(node)); // TODO: GH#18217 + } + } + else { + declareSymbolAndAddToSymbolTable(node, 262144 /* SymbolFlags.TypeParameter */, 526824 /* SymbolFlags.TypeParameterExcludes */); + } + } + // reachability checks + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 /* ModuleInstanceState.Instantiated */ || (instanceState === 2 /* ModuleInstanceState.ConstEnumOnly */ && ts.shouldPreserveConstEnums(options)); + } + function checkUnreachable(node) { + if (!(currentFlow.flags & 1 /* FlowFlags.Unreachable */)) { + return false; + } + if (currentFlow === unreachableFlow) { + var reportError = + // report error on all statements except empty ones + (ts.isStatementButNotDeclaration(node) && node.kind !== 236 /* SyntaxKind.EmptyStatement */) || + // report error on class declarations + node.kind === 257 /* SyntaxKind.ClassDeclaration */ || + // report error on instantiated modules or const-enums only modules if preserveConstEnums is set + (node.kind === 261 /* SyntaxKind.ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node)); + if (reportError) { + currentFlow = reportedUnreachableFlow; + if (!options.allowUnreachableCode) { + // unreachable code is reported if + // - user has explicitly asked about it AND + // - statement is in not ambient context (statements in ambient context is already an error + // so we should not report extras) AND + // - node is not variable statement OR + // - node is block scoped variable statement OR + // - node is not block scoped variable statement and at least one variable declaration has initializer + // Rationale: we don't want to report errors on non-initialized var's since they are hoisted + // On the other side we do want to report errors on non-initialized 'lets' because of TDZ + var isError_1 = ts.unreachableCodeIsError(options) && + !(node.flags & 16777216 /* NodeFlags.Ambient */) && + (!ts.isVariableStatement(node) || + !!(ts.getCombinedNodeFlags(node.declarationList) & 3 /* NodeFlags.BlockScoped */) || + node.declarationList.declarations.some(function (d) { return !!d.initializer; })); + eachUnreachableRange(node, function (start, end) { return errorOrSuggestionOnRange(isError_1, start, end, ts.Diagnostics.Unreachable_code_detected); }); + } + } + } + return true; + } + } + function eachUnreachableRange(node, cb) { + if (ts.isStatement(node) && isExecutableStatement(node) && ts.isBlock(node.parent)) { + var statements = node.parent.statements; + var slice_1 = ts.sliceAfter(statements, node); + ts.getRangesWhere(slice_1, isExecutableStatement, function (start, afterEnd) { return cb(slice_1[start], slice_1[afterEnd - 1]); }); + } + else { + cb(node, node); + } + } + // As opposed to a pure declaration like an `interface` + function isExecutableStatement(s) { + // Don't remove statements that can validly be used before they appear. + return !ts.isFunctionDeclaration(s) && !isPurelyTypeDeclaration(s) && !ts.isEnumDeclaration(s) && + // `var x;` may declare a variable used above + !(ts.isVariableStatement(s) && !(ts.getCombinedNodeFlags(s) & (1 /* NodeFlags.Let */ | 2 /* NodeFlags.Const */)) && s.declarationList.declarations.some(function (d) { return !d.initializer; })); + } + function isPurelyTypeDeclaration(s) { + switch (s.kind) { + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return true; + case 261 /* SyntaxKind.ModuleDeclaration */: + return getModuleInstanceState(s) !== 1 /* ModuleInstanceState.Instantiated */; + case 260 /* SyntaxKind.EnumDeclaration */: + return ts.hasSyntacticModifier(s, 2048 /* ModifierFlags.Const */); + default: + return false; + } + } + function isExportsOrModuleExportsOrAlias(sourceFile, node) { + var i = 0; + var q = [node]; + while (q.length && i < 100) { + i++; + node = q.shift(); + if (ts.isExportsIdentifier(node) || ts.isModuleExportsAccessExpression(node)) { + return true; + } + else if (ts.isIdentifier(node)) { + var symbol = lookupSymbolForName(sourceFile, node.escapedText); + if (!!symbol && !!symbol.valueDeclaration && ts.isVariableDeclaration(symbol.valueDeclaration) && !!symbol.valueDeclaration.initializer) { + var init = symbol.valueDeclaration.initializer; + q.push(init); + if (ts.isAssignmentExpression(init, /*excludeCompoundAssignment*/ true)) { + q.push(init.left); + q.push(init.right); + } + } + } + } + return false; + } + ts.isExportsOrModuleExportsOrAlias = isExportsOrModuleExportsOrAlias; + function lookupSymbolForName(container, name) { + var local = container.locals && container.locals.get(name); + if (local) { + return local.exportSymbol || local; + } + if (ts.isSourceFile(container) && container.jsGlobalAugmentations && container.jsGlobalAugmentations.has(name)) { + return container.jsGlobalAugmentations.get(name); + } + return container.symbol && container.symbol.exports && container.symbol.exports.get(name); + } +})(ts || (ts = {})); +/** @internal */ +var ts; +(function (ts) { + function createGetSymbolWalker(getRestTypeOfSignature, getTypePredicateOfSignature, getReturnTypeOfSignature, getBaseTypes, resolveStructuredTypeMembers, getTypeOfSymbol, getResolvedSymbol, getConstraintOfTypeParameter, getFirstIdentifier, getTypeArguments) { + return getSymbolWalker; + function getSymbolWalker(accept) { + if (accept === void 0) { accept = function () { return true; }; } + var visitedTypes = []; // Sparse array from id to type + var visitedSymbols = []; // Sparse array from id to symbol + return { + walkType: function (type) { + try { + visitType(type); + return { visitedTypes: ts.getOwnValues(visitedTypes), visitedSymbols: ts.getOwnValues(visitedSymbols) }; + } + finally { + ts.clear(visitedTypes); + ts.clear(visitedSymbols); + } + }, + walkSymbol: function (symbol) { + try { + visitSymbol(symbol); + return { visitedTypes: ts.getOwnValues(visitedTypes), visitedSymbols: ts.getOwnValues(visitedSymbols) }; + } + finally { + ts.clear(visitedTypes); + ts.clear(visitedSymbols); + } + }, + }; + function visitType(type) { + if (!type) { + return; + } + if (visitedTypes[type.id]) { + return; + } + visitedTypes[type.id] = type; + // Reuse visitSymbol to visit the type's symbol, + // but be sure to bail on recuring into the type if accept declines the symbol. + var shouldBail = visitSymbol(type.symbol); + if (shouldBail) + return; + // Visit the type's related types, if any + if (type.flags & 524288 /* TypeFlags.Object */) { + var objectType = type; + var objectFlags = objectType.objectFlags; + if (objectFlags & 4 /* ObjectFlags.Reference */) { + visitTypeReference(type); + } + if (objectFlags & 32 /* ObjectFlags.Mapped */) { + visitMappedType(type); + } + if (objectFlags & (1 /* ObjectFlags.Class */ | 2 /* ObjectFlags.Interface */)) { + visitInterfaceType(type); + } + if (objectFlags & (8 /* ObjectFlags.Tuple */ | 16 /* ObjectFlags.Anonymous */)) { + visitObjectType(objectType); + } + } + if (type.flags & 262144 /* TypeFlags.TypeParameter */) { + visitTypeParameter(type); + } + if (type.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + visitUnionOrIntersectionType(type); + } + if (type.flags & 4194304 /* TypeFlags.Index */) { + visitIndexType(type); + } + if (type.flags & 8388608 /* TypeFlags.IndexedAccess */) { + visitIndexedAccessType(type); + } + } + function visitTypeReference(type) { + visitType(type.target); + ts.forEach(getTypeArguments(type), visitType); + } + function visitTypeParameter(type) { + visitType(getConstraintOfTypeParameter(type)); + } + function visitUnionOrIntersectionType(type) { + ts.forEach(type.types, visitType); + } + function visitIndexType(type) { + visitType(type.type); + } + function visitIndexedAccessType(type) { + visitType(type.objectType); + visitType(type.indexType); + visitType(type.constraint); + } + function visitMappedType(type) { + visitType(type.typeParameter); + visitType(type.constraintType); + visitType(type.templateType); + visitType(type.modifiersType); + } + function visitSignature(signature) { + var typePredicate = getTypePredicateOfSignature(signature); + if (typePredicate) { + visitType(typePredicate.type); + } + ts.forEach(signature.typeParameters, visitType); + for (var _i = 0, _a = signature.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + visitSymbol(parameter); + } + visitType(getRestTypeOfSignature(signature)); + visitType(getReturnTypeOfSignature(signature)); + } + function visitInterfaceType(interfaceT) { + visitObjectType(interfaceT); + ts.forEach(interfaceT.typeParameters, visitType); + ts.forEach(getBaseTypes(interfaceT), visitType); + visitType(interfaceT.thisType); + } + function visitObjectType(type) { + var resolved = resolveStructuredTypeMembers(type); + for (var _i = 0, _a = resolved.indexInfos; _i < _a.length; _i++) { + var info = _a[_i]; + visitType(info.keyType); + visitType(info.type); + } + for (var _b = 0, _c = resolved.callSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + visitSignature(signature); + } + for (var _d = 0, _e = resolved.constructSignatures; _d < _e.length; _d++) { + var signature = _e[_d]; + visitSignature(signature); + } + for (var _f = 0, _g = resolved.properties; _f < _g.length; _f++) { + var p = _g[_f]; + visitSymbol(p); + } + } + function visitSymbol(symbol) { + if (!symbol) { + return false; + } + var symbolId = ts.getSymbolId(symbol); + if (visitedSymbols[symbolId]) { + return false; + } + visitedSymbols[symbolId] = symbol; + if (!accept(symbol)) { + return true; + } + var t = getTypeOfSymbol(symbol); + visitType(t); // Should handle members on classes and such + if (symbol.exports) { + symbol.exports.forEach(visitSymbol); + } + ts.forEach(symbol.declarations, function (d) { + // Type queries are too far resolved when we just visit the symbol's type + // (their type resolved directly to the member deeply referenced) + // So to get the intervening symbols, we need to check if there's a type + // query node on any of the symbol's declarations and get symbols there + if (d.type && d.type.kind === 181 /* SyntaxKind.TypeQuery */) { + var query = d.type; + var entity = getResolvedSymbol(getFirstIdentifier(query.exprName)); + visitSymbol(entity); + } + }); + return false; + } + } + } + ts.createGetSymbolWalker = createGetSymbolWalker; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var ambientModuleSymbolRegex = /^".+"$/; + var anon = "(anonymous)"; + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + var nextFlowId = 1; + var IterationUse; + (function (IterationUse) { + IterationUse[IterationUse["AllowsSyncIterablesFlag"] = 1] = "AllowsSyncIterablesFlag"; + IterationUse[IterationUse["AllowsAsyncIterablesFlag"] = 2] = "AllowsAsyncIterablesFlag"; + IterationUse[IterationUse["AllowsStringInputFlag"] = 4] = "AllowsStringInputFlag"; + IterationUse[IterationUse["ForOfFlag"] = 8] = "ForOfFlag"; + IterationUse[IterationUse["YieldStarFlag"] = 16] = "YieldStarFlag"; + IterationUse[IterationUse["SpreadFlag"] = 32] = "SpreadFlag"; + IterationUse[IterationUse["DestructuringFlag"] = 64] = "DestructuringFlag"; + IterationUse[IterationUse["PossiblyOutOfBounds"] = 128] = "PossiblyOutOfBounds"; + // Spread, Destructuring, Array element assignment + IterationUse[IterationUse["Element"] = 1] = "Element"; + IterationUse[IterationUse["Spread"] = 33] = "Spread"; + IterationUse[IterationUse["Destructuring"] = 65] = "Destructuring"; + IterationUse[IterationUse["ForOf"] = 13] = "ForOf"; + IterationUse[IterationUse["ForAwaitOf"] = 15] = "ForAwaitOf"; + IterationUse[IterationUse["YieldStar"] = 17] = "YieldStar"; + IterationUse[IterationUse["AsyncYieldStar"] = 19] = "AsyncYieldStar"; + IterationUse[IterationUse["GeneratorReturnType"] = 1] = "GeneratorReturnType"; + IterationUse[IterationUse["AsyncGeneratorReturnType"] = 2] = "AsyncGeneratorReturnType"; + })(IterationUse || (IterationUse = {})); + var IterationTypeKind; + (function (IterationTypeKind) { + IterationTypeKind[IterationTypeKind["Yield"] = 0] = "Yield"; + IterationTypeKind[IterationTypeKind["Return"] = 1] = "Return"; + IterationTypeKind[IterationTypeKind["Next"] = 2] = "Next"; + })(IterationTypeKind || (IterationTypeKind = {})); + var WideningKind; + (function (WideningKind) { + WideningKind[WideningKind["Normal"] = 0] = "Normal"; + WideningKind[WideningKind["FunctionReturn"] = 1] = "FunctionReturn"; + WideningKind[WideningKind["GeneratorNext"] = 2] = "GeneratorNext"; + WideningKind[WideningKind["GeneratorYield"] = 3] = "GeneratorYield"; + })(WideningKind || (WideningKind = {})); + var TypeFacts; + (function (TypeFacts) { + TypeFacts[TypeFacts["None"] = 0] = "None"; + TypeFacts[TypeFacts["TypeofEQString"] = 1] = "TypeofEQString"; + TypeFacts[TypeFacts["TypeofEQNumber"] = 2] = "TypeofEQNumber"; + TypeFacts[TypeFacts["TypeofEQBigInt"] = 4] = "TypeofEQBigInt"; + TypeFacts[TypeFacts["TypeofEQBoolean"] = 8] = "TypeofEQBoolean"; + TypeFacts[TypeFacts["TypeofEQSymbol"] = 16] = "TypeofEQSymbol"; + TypeFacts[TypeFacts["TypeofEQObject"] = 32] = "TypeofEQObject"; + TypeFacts[TypeFacts["TypeofEQFunction"] = 64] = "TypeofEQFunction"; + TypeFacts[TypeFacts["TypeofEQHostObject"] = 128] = "TypeofEQHostObject"; + TypeFacts[TypeFacts["TypeofNEString"] = 256] = "TypeofNEString"; + TypeFacts[TypeFacts["TypeofNENumber"] = 512] = "TypeofNENumber"; + TypeFacts[TypeFacts["TypeofNEBigInt"] = 1024] = "TypeofNEBigInt"; + TypeFacts[TypeFacts["TypeofNEBoolean"] = 2048] = "TypeofNEBoolean"; + TypeFacts[TypeFacts["TypeofNESymbol"] = 4096] = "TypeofNESymbol"; + TypeFacts[TypeFacts["TypeofNEObject"] = 8192] = "TypeofNEObject"; + TypeFacts[TypeFacts["TypeofNEFunction"] = 16384] = "TypeofNEFunction"; + TypeFacts[TypeFacts["TypeofNEHostObject"] = 32768] = "TypeofNEHostObject"; + TypeFacts[TypeFacts["EQUndefined"] = 65536] = "EQUndefined"; + TypeFacts[TypeFacts["EQNull"] = 131072] = "EQNull"; + TypeFacts[TypeFacts["EQUndefinedOrNull"] = 262144] = "EQUndefinedOrNull"; + TypeFacts[TypeFacts["NEUndefined"] = 524288] = "NEUndefined"; + TypeFacts[TypeFacts["NENull"] = 1048576] = "NENull"; + TypeFacts[TypeFacts["NEUndefinedOrNull"] = 2097152] = "NEUndefinedOrNull"; + TypeFacts[TypeFacts["Truthy"] = 4194304] = "Truthy"; + TypeFacts[TypeFacts["Falsy"] = 8388608] = "Falsy"; + TypeFacts[TypeFacts["All"] = 16777215] = "All"; + // The following members encode facts about particular kinds of types for use in the getTypeFacts function. + // The presence of a particular fact means that the given test is true for some (and possibly all) values + // of that kind of type. + TypeFacts[TypeFacts["BaseStringStrictFacts"] = 3735041] = "BaseStringStrictFacts"; + TypeFacts[TypeFacts["BaseStringFacts"] = 12582401] = "BaseStringFacts"; + TypeFacts[TypeFacts["StringStrictFacts"] = 16317953] = "StringStrictFacts"; + TypeFacts[TypeFacts["StringFacts"] = 16776705] = "StringFacts"; + TypeFacts[TypeFacts["EmptyStringStrictFacts"] = 12123649] = "EmptyStringStrictFacts"; + TypeFacts[TypeFacts["EmptyStringFacts"] = 12582401] = "EmptyStringFacts"; + TypeFacts[TypeFacts["NonEmptyStringStrictFacts"] = 7929345] = "NonEmptyStringStrictFacts"; + TypeFacts[TypeFacts["NonEmptyStringFacts"] = 16776705] = "NonEmptyStringFacts"; + TypeFacts[TypeFacts["BaseNumberStrictFacts"] = 3734786] = "BaseNumberStrictFacts"; + TypeFacts[TypeFacts["BaseNumberFacts"] = 12582146] = "BaseNumberFacts"; + TypeFacts[TypeFacts["NumberStrictFacts"] = 16317698] = "NumberStrictFacts"; + TypeFacts[TypeFacts["NumberFacts"] = 16776450] = "NumberFacts"; + TypeFacts[TypeFacts["ZeroNumberStrictFacts"] = 12123394] = "ZeroNumberStrictFacts"; + TypeFacts[TypeFacts["ZeroNumberFacts"] = 12582146] = "ZeroNumberFacts"; + TypeFacts[TypeFacts["NonZeroNumberStrictFacts"] = 7929090] = "NonZeroNumberStrictFacts"; + TypeFacts[TypeFacts["NonZeroNumberFacts"] = 16776450] = "NonZeroNumberFacts"; + TypeFacts[TypeFacts["BaseBigIntStrictFacts"] = 3734276] = "BaseBigIntStrictFacts"; + TypeFacts[TypeFacts["BaseBigIntFacts"] = 12581636] = "BaseBigIntFacts"; + TypeFacts[TypeFacts["BigIntStrictFacts"] = 16317188] = "BigIntStrictFacts"; + TypeFacts[TypeFacts["BigIntFacts"] = 16775940] = "BigIntFacts"; + TypeFacts[TypeFacts["ZeroBigIntStrictFacts"] = 12122884] = "ZeroBigIntStrictFacts"; + TypeFacts[TypeFacts["ZeroBigIntFacts"] = 12581636] = "ZeroBigIntFacts"; + TypeFacts[TypeFacts["NonZeroBigIntStrictFacts"] = 7928580] = "NonZeroBigIntStrictFacts"; + TypeFacts[TypeFacts["NonZeroBigIntFacts"] = 16775940] = "NonZeroBigIntFacts"; + TypeFacts[TypeFacts["BaseBooleanStrictFacts"] = 3733256] = "BaseBooleanStrictFacts"; + TypeFacts[TypeFacts["BaseBooleanFacts"] = 12580616] = "BaseBooleanFacts"; + TypeFacts[TypeFacts["BooleanStrictFacts"] = 16316168] = "BooleanStrictFacts"; + TypeFacts[TypeFacts["BooleanFacts"] = 16774920] = "BooleanFacts"; + TypeFacts[TypeFacts["FalseStrictFacts"] = 12121864] = "FalseStrictFacts"; + TypeFacts[TypeFacts["FalseFacts"] = 12580616] = "FalseFacts"; + TypeFacts[TypeFacts["TrueStrictFacts"] = 7927560] = "TrueStrictFacts"; + TypeFacts[TypeFacts["TrueFacts"] = 16774920] = "TrueFacts"; + TypeFacts[TypeFacts["SymbolStrictFacts"] = 7925520] = "SymbolStrictFacts"; + TypeFacts[TypeFacts["SymbolFacts"] = 16772880] = "SymbolFacts"; + TypeFacts[TypeFacts["ObjectStrictFacts"] = 7888800] = "ObjectStrictFacts"; + TypeFacts[TypeFacts["ObjectFacts"] = 16736160] = "ObjectFacts"; + TypeFacts[TypeFacts["FunctionStrictFacts"] = 7880640] = "FunctionStrictFacts"; + TypeFacts[TypeFacts["FunctionFacts"] = 16728000] = "FunctionFacts"; + TypeFacts[TypeFacts["UndefinedFacts"] = 9830144] = "UndefinedFacts"; + TypeFacts[TypeFacts["NullFacts"] = 9363232] = "NullFacts"; + TypeFacts[TypeFacts["EmptyObjectStrictFacts"] = 16318463] = "EmptyObjectStrictFacts"; + TypeFacts[TypeFacts["AllTypeofNE"] = 556800] = "AllTypeofNE"; + TypeFacts[TypeFacts["EmptyObjectFacts"] = 16777215] = "EmptyObjectFacts"; + // Masks + TypeFacts[TypeFacts["OrFactsMask"] = 8256] = "OrFactsMask"; + TypeFacts[TypeFacts["AndFactsMask"] = 16768959] = "AndFactsMask"; + })(TypeFacts || (TypeFacts = {})); + var typeofEQFacts = new ts.Map(ts.getEntries({ + string: 1 /* TypeFacts.TypeofEQString */, + number: 2 /* TypeFacts.TypeofEQNumber */, + bigint: 4 /* TypeFacts.TypeofEQBigInt */, + boolean: 8 /* TypeFacts.TypeofEQBoolean */, + symbol: 16 /* TypeFacts.TypeofEQSymbol */, + undefined: 65536 /* TypeFacts.EQUndefined */, + object: 32 /* TypeFacts.TypeofEQObject */, + function: 64 /* TypeFacts.TypeofEQFunction */ + })); + var typeofNEFacts = new ts.Map(ts.getEntries({ + string: 256 /* TypeFacts.TypeofNEString */, + number: 512 /* TypeFacts.TypeofNENumber */, + bigint: 1024 /* TypeFacts.TypeofNEBigInt */, + boolean: 2048 /* TypeFacts.TypeofNEBoolean */, + symbol: 4096 /* TypeFacts.TypeofNESymbol */, + undefined: 524288 /* TypeFacts.NEUndefined */, + object: 8192 /* TypeFacts.TypeofNEObject */, + function: 16384 /* TypeFacts.TypeofNEFunction */ + })); + var TypeSystemPropertyName; + (function (TypeSystemPropertyName) { + TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; + TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; + TypeSystemPropertyName[TypeSystemPropertyName["ImmediateBaseConstraint"] = 4] = "ImmediateBaseConstraint"; + TypeSystemPropertyName[TypeSystemPropertyName["EnumTagType"] = 5] = "EnumTagType"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedTypeArguments"] = 6] = "ResolvedTypeArguments"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseTypes"] = 7] = "ResolvedBaseTypes"; + TypeSystemPropertyName[TypeSystemPropertyName["WriteType"] = 8] = "WriteType"; + })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); + var CheckMode; + (function (CheckMode) { + CheckMode[CheckMode["Normal"] = 0] = "Normal"; + CheckMode[CheckMode["Contextual"] = 1] = "Contextual"; + CheckMode[CheckMode["Inferential"] = 2] = "Inferential"; + CheckMode[CheckMode["SkipContextSensitive"] = 4] = "SkipContextSensitive"; + CheckMode[CheckMode["SkipGenericFunctions"] = 8] = "SkipGenericFunctions"; + CheckMode[CheckMode["IsForSignatureHelp"] = 16] = "IsForSignatureHelp"; + CheckMode[CheckMode["IsForStringLiteralArgumentCompletions"] = 32] = "IsForStringLiteralArgumentCompletions"; + CheckMode[CheckMode["RestBindingElement"] = 64] = "RestBindingElement"; + // e.g. in `const { a, ...rest } = foo`, when checking the type of `foo` to determine the type of `rest`, + // we need to preserve generic types instead of substituting them for constraints + })(CheckMode || (CheckMode = {})); + var SignatureCheckMode; + (function (SignatureCheckMode) { + SignatureCheckMode[SignatureCheckMode["BivariantCallback"] = 1] = "BivariantCallback"; + SignatureCheckMode[SignatureCheckMode["StrictCallback"] = 2] = "StrictCallback"; + SignatureCheckMode[SignatureCheckMode["IgnoreReturnTypes"] = 4] = "IgnoreReturnTypes"; + SignatureCheckMode[SignatureCheckMode["StrictArity"] = 8] = "StrictArity"; + SignatureCheckMode[SignatureCheckMode["Callback"] = 3] = "Callback"; + })(SignatureCheckMode || (SignatureCheckMode = {})); + var IntersectionState; + (function (IntersectionState) { + IntersectionState[IntersectionState["None"] = 0] = "None"; + IntersectionState[IntersectionState["Source"] = 1] = "Source"; + IntersectionState[IntersectionState["Target"] = 2] = "Target"; + IntersectionState[IntersectionState["PropertyCheck"] = 4] = "PropertyCheck"; + IntersectionState[IntersectionState["InPropertyCheck"] = 8] = "InPropertyCheck"; + })(IntersectionState || (IntersectionState = {})); + var RecursionFlags; + (function (RecursionFlags) { + RecursionFlags[RecursionFlags["None"] = 0] = "None"; + RecursionFlags[RecursionFlags["Source"] = 1] = "Source"; + RecursionFlags[RecursionFlags["Target"] = 2] = "Target"; + RecursionFlags[RecursionFlags["Both"] = 3] = "Both"; + })(RecursionFlags || (RecursionFlags = {})); + var MappedTypeModifiers; + (function (MappedTypeModifiers) { + MappedTypeModifiers[MappedTypeModifiers["IncludeReadonly"] = 1] = "IncludeReadonly"; + MappedTypeModifiers[MappedTypeModifiers["ExcludeReadonly"] = 2] = "ExcludeReadonly"; + MappedTypeModifiers[MappedTypeModifiers["IncludeOptional"] = 4] = "IncludeOptional"; + MappedTypeModifiers[MappedTypeModifiers["ExcludeOptional"] = 8] = "ExcludeOptional"; + })(MappedTypeModifiers || (MappedTypeModifiers = {})); + var ExpandingFlags; + (function (ExpandingFlags) { + ExpandingFlags[ExpandingFlags["None"] = 0] = "None"; + ExpandingFlags[ExpandingFlags["Source"] = 1] = "Source"; + ExpandingFlags[ExpandingFlags["Target"] = 2] = "Target"; + ExpandingFlags[ExpandingFlags["Both"] = 3] = "Both"; + })(ExpandingFlags || (ExpandingFlags = {})); + var MembersOrExportsResolutionKind; + (function (MembersOrExportsResolutionKind) { + MembersOrExportsResolutionKind["resolvedExports"] = "resolvedExports"; + MembersOrExportsResolutionKind["resolvedMembers"] = "resolvedMembers"; + })(MembersOrExportsResolutionKind || (MembersOrExportsResolutionKind = {})); + var UnusedKind; + (function (UnusedKind) { + UnusedKind[UnusedKind["Local"] = 0] = "Local"; + UnusedKind[UnusedKind["Parameter"] = 1] = "Parameter"; + })(UnusedKind || (UnusedKind = {})); + var isNotOverloadAndNotAccessor = ts.and(isNotOverload, isNotAccessor); + var DeclarationMeaning; + (function (DeclarationMeaning) { + DeclarationMeaning[DeclarationMeaning["GetAccessor"] = 1] = "GetAccessor"; + DeclarationMeaning[DeclarationMeaning["SetAccessor"] = 2] = "SetAccessor"; + DeclarationMeaning[DeclarationMeaning["PropertyAssignment"] = 4] = "PropertyAssignment"; + DeclarationMeaning[DeclarationMeaning["Method"] = 8] = "Method"; + DeclarationMeaning[DeclarationMeaning["PrivateStatic"] = 16] = "PrivateStatic"; + DeclarationMeaning[DeclarationMeaning["GetOrSetAccessor"] = 3] = "GetOrSetAccessor"; + DeclarationMeaning[DeclarationMeaning["PropertyAssignmentOrMethod"] = 12] = "PropertyAssignmentOrMethod"; + })(DeclarationMeaning || (DeclarationMeaning = {})); + var DeclarationSpaces; + (function (DeclarationSpaces) { + DeclarationSpaces[DeclarationSpaces["None"] = 0] = "None"; + DeclarationSpaces[DeclarationSpaces["ExportValue"] = 1] = "ExportValue"; + DeclarationSpaces[DeclarationSpaces["ExportType"] = 2] = "ExportType"; + DeclarationSpaces[DeclarationSpaces["ExportNamespace"] = 4] = "ExportNamespace"; + })(DeclarationSpaces || (DeclarationSpaces = {})); + var MinArgumentCountFlags; + (function (MinArgumentCountFlags) { + MinArgumentCountFlags[MinArgumentCountFlags["None"] = 0] = "None"; + MinArgumentCountFlags[MinArgumentCountFlags["StrongArityForUntypedJS"] = 1] = "StrongArityForUntypedJS"; + MinArgumentCountFlags[MinArgumentCountFlags["VoidIsNonOptional"] = 2] = "VoidIsNonOptional"; + })(MinArgumentCountFlags || (MinArgumentCountFlags = {})); + var IntrinsicTypeKind; + (function (IntrinsicTypeKind) { + IntrinsicTypeKind[IntrinsicTypeKind["Uppercase"] = 0] = "Uppercase"; + IntrinsicTypeKind[IntrinsicTypeKind["Lowercase"] = 1] = "Lowercase"; + IntrinsicTypeKind[IntrinsicTypeKind["Capitalize"] = 2] = "Capitalize"; + IntrinsicTypeKind[IntrinsicTypeKind["Uncapitalize"] = 3] = "Uncapitalize"; + })(IntrinsicTypeKind || (IntrinsicTypeKind = {})); + var intrinsicTypeKinds = new ts.Map(ts.getEntries({ + Uppercase: 0 /* IntrinsicTypeKind.Uppercase */, + Lowercase: 1 /* IntrinsicTypeKind.Lowercase */, + Capitalize: 2 /* IntrinsicTypeKind.Capitalize */, + Uncapitalize: 3 /* IntrinsicTypeKind.Uncapitalize */ + })); + function SymbolLinks() { + } + function NodeLinks() { + this.flags = 0; + } + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; + } + return node.id; + } + ts.getNodeId = getNodeId; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; + } + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 /* ModuleInstanceState.Instantiated */ || + (preserveConstEnums && moduleState === 2 /* ModuleInstanceState.ConstEnumOnly */); + } + ts.isInstantiatedModule = isInstantiatedModule; + function createTypeChecker(host) { + var getPackagesMap = ts.memoize(function () { + // A package name maps to true when we detect it has .d.ts files. + // This is useful as an approximation of whether a package bundles its own types. + // Note: we only look at files already found by module resolution, + // so there may be files we did not consider. + var map = new ts.Map(); + host.getSourceFiles().forEach(function (sf) { + if (!sf.resolvedModules) + return; + sf.resolvedModules.forEach(function (r) { + if (r && r.packageId) + map.set(r.packageId.name, r.extension === ".d.ts" /* Extension.Dts */ || !!map.get(r.packageId.name)); + }); + }); + return map; + }); + var deferredDiagnosticsCallbacks = []; + var addLazyDiagnostic = function (arg) { + deferredDiagnosticsCallbacks.push(arg); + }; + // Cancellation that controls whether or not we can cancel in the middle of type checking. + // In general cancelling is *not* safe for the type checker. We might be in the middle of + // computing something, and we will leave our internals in an inconsistent state. Callers + // who set the cancellation token should catch if a cancellation exception occurs, and + // should throw away and create a new TypeChecker. + // + // Currently we only support setting the cancellation token when getting diagnostics. This + // is because diagnostics can be quite expensive, and we want to allow hosts to bail out if + // they no longer need the information (for example, if the user started editing again). + var cancellationToken; + var requestedExternalEmitHelpers; + var externalHelpersModule; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var enumCount = 0; + var totalInstantiationCount = 0; + var instantiationCount = 0; + var instantiationDepth = 0; + var inlineLevel = 0; + var currentNode; + var varianceTypeParameter; + var emptySymbols = ts.createSymbolTable(); + var arrayVariances = [1 /* VarianceFlags.Covariant */]; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var useDefineForClassFields = ts.getUseDefineForClassFields(compilerOptions); + var allowSyntheticDefaultImports = ts.getAllowSyntheticDefaultImports(compilerOptions); + var strictNullChecks = ts.getStrictOptionValue(compilerOptions, "strictNullChecks"); + var strictFunctionTypes = ts.getStrictOptionValue(compilerOptions, "strictFunctionTypes"); + var strictBindCallApply = ts.getStrictOptionValue(compilerOptions, "strictBindCallApply"); + var strictPropertyInitialization = ts.getStrictOptionValue(compilerOptions, "strictPropertyInitialization"); + var noImplicitAny = ts.getStrictOptionValue(compilerOptions, "noImplicitAny"); + var noImplicitThis = ts.getStrictOptionValue(compilerOptions, "noImplicitThis"); + var useUnknownInCatchVariables = ts.getStrictOptionValue(compilerOptions, "useUnknownInCatchVariables"); + var keyofStringsOnly = !!compilerOptions.keyofStringsOnly; + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 8192 /* ObjectFlags.FreshLiteral */; + var exactOptionalPropertyTypes = compilerOptions.exactOptionalPropertyTypes; + var checkBinaryExpression = createCheckBinaryExpression(); + var emitResolver = createResolver(); + var nodeBuilder = createNodeBuilder(); + var globals = ts.createSymbolTable(); + var undefinedSymbol = createSymbol(4 /* SymbolFlags.Property */, "undefined"); + undefinedSymbol.declarations = []; + var globalThisSymbol = createSymbol(1536 /* SymbolFlags.Module */, "globalThis", 8 /* CheckFlags.Readonly */); + globalThisSymbol.exports = globals; + globalThisSymbol.declarations = []; + globals.set(globalThisSymbol.escapedName, globalThisSymbol); + var argumentsSymbol = createSymbol(4 /* SymbolFlags.Property */, "arguments"); + var requireSymbol = createSymbol(4 /* SymbolFlags.Property */, "require"); + /** This will be set during calls to `getResolvedSignature` where services determines an apparent number of arguments greater than what is actually provided. */ + var apparentArgumentCount; + // for public members that accept a Node or one of its subtypes, we must guard against + // synthetic nodes created during transformations by calling `getParseTreeNode`. + // for most of these, we perform the guard only on `checker` to avoid any possible + // extra cost of calling `getParseTreeNode` when calling these functions from inside the + // checker. + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + getInstantiationCount: function () { return totalInstantiationCount; }, + getRelationCacheSizes: function () { return ({ + assignable: assignableRelation.size, + identity: identityRelation.size, + subtype: subtypeRelation.size, + strictSubtype: strictSubtypeRelation.size, + }); }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getMergedSymbol: getMergedSymbol, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getRecursionIdentity: getRecursionIdentity, + getUnmatchedProperties: getUnmatchedProperties, + getTypeOfSymbolAtLocation: function (symbol, locationIn) { + var location = ts.getParseTreeNode(locationIn); + return location ? getTypeOfSymbolAtLocation(symbol, location) : errorType; + }, + getTypeOfSymbol: getTypeOfSymbol, + getSymbolsOfParameterPropertyDeclaration: function (parameterIn, parameterName) { + var parameter = ts.getParseTreeNode(parameterIn, ts.isParameter); + if (parameter === undefined) + return ts.Debug.fail("Cannot get symbols of a synthetic parameter that cannot be resolved to a parse-tree node."); + return getSymbolsOfParameterPropertyDeclaration(parameter, ts.escapeLeadingUnderscores(parameterName)); + }, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: function (type, name) { return getPropertyOfType(type, ts.escapeLeadingUnderscores(name)); }, + getPrivateIdentifierPropertyOfType: function (leftType, name, location) { + var node = ts.getParseTreeNode(location); + if (!node) { + return undefined; + } + var propName = ts.escapeLeadingUnderscores(name); + var lexicallyScopedIdentifier = lookupSymbolForPrivateIdentifierDeclaration(propName, node); + return lexicallyScopedIdentifier ? getPrivateIdentifierPropertyOfType(leftType, lexicallyScopedIdentifier) : undefined; + }, + getTypeOfPropertyOfType: function (type, name) { return getTypeOfPropertyOfType(type, ts.escapeLeadingUnderscores(name)); }, + getIndexInfoOfType: function (type, kind) { return getIndexInfoOfType(type, kind === 0 /* IndexKind.String */ ? stringType : numberType); }, + getIndexInfosOfType: getIndexInfosOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: function (type, kind) { return getIndexTypeOfType(type, kind === 0 /* IndexKind.String */ ? stringType : numberType); }, + getIndexType: function (type) { return getIndexType(type); }, + getBaseTypes: getBaseTypes, + getBaseTypeOfLiteralType: getBaseTypeOfLiteralType, + getWidenedType: getWidenedType, + getTypeFromTypeNode: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isTypeNode); + return node ? getTypeFromTypeNode(node) : errorType; + }, + getParameterType: getTypeAtPosition, + getParameterIdentifierNameAtPosition: getParameterIdentifierNameAtPosition, + getPromisedTypeOfPromise: getPromisedTypeOfPromise, + getAwaitedType: function (type) { return getAwaitedType(type); }, + getReturnTypeOfSignature: getReturnTypeOfSignature, + isNullableType: isNullableType, + getNullableType: getNullableType, + getNonNullableType: getNonNullableType, + getNonOptionalType: removeOptionalTypeMarker, + getTypeArguments: getTypeArguments, + typeToTypeNode: nodeBuilder.typeToTypeNode, + indexInfoToIndexSignatureDeclaration: nodeBuilder.indexInfoToIndexSignatureDeclaration, + signatureToSignatureDeclaration: nodeBuilder.signatureToSignatureDeclaration, + symbolToEntityName: nodeBuilder.symbolToEntityName, + symbolToExpression: nodeBuilder.symbolToExpression, + symbolToTypeParameterDeclarations: nodeBuilder.symbolToTypeParameterDeclarations, + symbolToParameterDeclaration: nodeBuilder.symbolToParameterDeclaration, + typeParameterToDeclaration: nodeBuilder.typeParameterToDeclaration, + getSymbolsInScope: function (locationIn, meaning) { + var location = ts.getParseTreeNode(locationIn); + return location ? getSymbolsInScope(location, meaning) : []; + }, + getSymbolAtLocation: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn); + // set ignoreErrors: true because any lookups invoked by the API shouldn't cause any new errors + return node ? getSymbolAtLocation(node, /*ignoreErrors*/ true) : undefined; + }, + getIndexInfosAtLocation: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn); + return node ? getIndexInfosAtLocation(node) : undefined; + }, + getShorthandAssignmentValueSymbol: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn); + return node ? getShorthandAssignmentValueSymbol(node) : undefined; + }, + getExportSpecifierLocalTargetSymbol: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isExportSpecifier); + return node ? getExportSpecifierLocalTargetSymbol(node) : undefined; + }, + getExportSymbolOfSymbol: function (symbol) { + return getMergedSymbol(symbol.exportSymbol || symbol); + }, + getTypeAtLocation: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn); + return node ? getTypeOfNode(node) : errorType; + }, + getTypeOfAssignmentPattern: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isAssignmentPattern); + return node && getTypeOfAssignmentPattern(node) || errorType; + }, + getPropertySymbolOfDestructuringAssignment: function (locationIn) { + var location = ts.getParseTreeNode(locationIn, ts.isIdentifier); + return location ? getPropertySymbolOfDestructuringAssignment(location) : undefined; + }, + signatureToString: function (signature, enclosingDeclaration, flags, kind) { + return signatureToString(signature, ts.getParseTreeNode(enclosingDeclaration), flags, kind); + }, + typeToString: function (type, enclosingDeclaration, flags) { + return typeToString(type, ts.getParseTreeNode(enclosingDeclaration), flags); + }, + symbolToString: function (symbol, enclosingDeclaration, meaning, flags) { + return symbolToString(symbol, ts.getParseTreeNode(enclosingDeclaration), meaning, flags); + }, + typePredicateToString: function (predicate, enclosingDeclaration, flags) { + return typePredicateToString(predicate, ts.getParseTreeNode(enclosingDeclaration), flags); + }, + writeSignature: function (signature, enclosingDeclaration, flags, kind, writer) { + return signatureToString(signature, ts.getParseTreeNode(enclosingDeclaration), flags, kind, writer); + }, + writeType: function (type, enclosingDeclaration, flags, writer) { + return typeToString(type, ts.getParseTreeNode(enclosingDeclaration), flags, writer); + }, + writeSymbol: function (symbol, enclosingDeclaration, meaning, flags, writer) { + return symbolToString(symbol, ts.getParseTreeNode(enclosingDeclaration), meaning, flags, writer); + }, + writeTypePredicate: function (predicate, enclosingDeclaration, flags, writer) { + return typePredicateToString(predicate, ts.getParseTreeNode(enclosingDeclaration), flags, writer); + }, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getSymbolOfExpando: getSymbolOfExpando, + getContextualType: function (nodeIn, contextFlags) { + var node = ts.getParseTreeNode(nodeIn, ts.isExpression); + if (!node) { + return undefined; + } + if (contextFlags & 4 /* ContextFlags.Completions */) { + return runWithInferenceBlockedFromSourceNode(node, function () { return getContextualType(node, contextFlags); }); + } + return getContextualType(node, contextFlags); + }, + getContextualTypeForObjectLiteralElement: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isObjectLiteralElementLike); + return node ? getContextualTypeForObjectLiteralElement(node) : undefined; + }, + getContextualTypeForArgumentAtIndex: function (nodeIn, argIndex) { + var node = ts.getParseTreeNode(nodeIn, ts.isCallLikeExpression); + return node && getContextualTypeForArgumentAtIndex(node, argIndex); + }, + getContextualTypeForJsxAttribute: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isJsxAttributeLike); + return node && getContextualTypeForJsxAttribute(node); + }, + isContextSensitive: isContextSensitive, + getTypeOfPropertyOfContextualType: getTypeOfPropertyOfContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: function (node, candidatesOutArray, argumentCount) { + return getResolvedSignatureWorker(node, candidatesOutArray, argumentCount, 0 /* CheckMode.Normal */); + }, + getResolvedSignatureForStringLiteralCompletions: function (call, editingArgument, candidatesOutArray) { + return getResolvedSignatureWorker(call, candidatesOutArray, /*argumentCount*/ undefined, 32 /* CheckMode.IsForStringLiteralArgumentCompletions */, editingArgument); + }, + getResolvedSignatureForSignatureHelp: function (node, candidatesOutArray, argumentCount) { + return getResolvedSignatureWorker(node, candidatesOutArray, argumentCount, 16 /* CheckMode.IsForSignatureHelp */); + }, + getExpandedParameters: getExpandedParameters, + hasEffectiveRestParameter: hasEffectiveRestParameter, + containsArgumentsReference: containsArgumentsReference, + getConstantValue: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, canHaveConstantValue); + return node ? getConstantValue(node) : undefined; + }, + isValidPropertyAccess: function (nodeIn, propertyName) { + var node = ts.getParseTreeNode(nodeIn, ts.isPropertyAccessOrQualifiedNameOrImportTypeNode); + return !!node && isValidPropertyAccess(node, ts.escapeLeadingUnderscores(propertyName)); + }, + isValidPropertyAccessForCompletions: function (nodeIn, type, property) { + var node = ts.getParseTreeNode(nodeIn, ts.isPropertyAccessExpression); + return !!node && isValidPropertyAccessForCompletions(node, type, property); + }, + getSignatureFromDeclaration: function (declarationIn) { + var declaration = ts.getParseTreeNode(declarationIn, ts.isFunctionLike); + return declaration ? getSignatureFromDeclaration(declaration) : undefined; + }, + isImplementationOfOverload: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isFunctionLike); + return node ? isImplementationOfOverload(node) : undefined; + }, + getImmediateAliasedSymbol: getImmediateAliasedSymbol, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getExportsAndPropertiesOfModule: getExportsAndPropertiesOfModule, + forEachExportAndPropertyOfModule: forEachExportAndPropertyOfModule, + getSymbolWalker: ts.createGetSymbolWalker(getRestTypeOfSignature, getTypePredicateOfSignature, getReturnTypeOfSignature, getBaseTypes, resolveStructuredTypeMembers, getTypeOfSymbol, getResolvedSymbol, getConstraintOfTypeParameter, ts.getFirstIdentifier, getTypeArguments), + getAmbientModules: getAmbientModules, + getJsxIntrinsicTagNamesAt: getJsxIntrinsicTagNamesAt, + isOptionalParameter: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isParameter); + return node ? isOptionalParameter(node) : false; + }, + tryGetMemberInModuleExports: function (name, symbol) { return tryGetMemberInModuleExports(ts.escapeLeadingUnderscores(name), symbol); }, + tryGetMemberInModuleExportsAndProperties: function (name, symbol) { return tryGetMemberInModuleExportsAndProperties(ts.escapeLeadingUnderscores(name), symbol); }, + tryFindAmbientModule: function (moduleName) { return tryFindAmbientModule(moduleName, /*withAugmentations*/ true); }, + tryFindAmbientModuleWithoutAugmentations: function (moduleName) { + // we deliberately exclude augmentations + // since we are only interested in declarations of the module itself + return tryFindAmbientModule(moduleName, /*withAugmentations*/ false); + }, + getApparentType: getApparentType, + getUnionType: getUnionType, + isTypeAssignableTo: isTypeAssignableTo, + createAnonymousType: createAnonymousType, + createSignature: createSignature, + createSymbol: createSymbol, + createIndexInfo: createIndexInfo, + getAnyType: function () { return anyType; }, + getStringType: function () { return stringType; }, + getNumberType: function () { return numberType; }, + createPromiseType: createPromiseType, + createArrayType: createArrayType, + getElementTypeOfArrayType: getElementTypeOfArrayType, + getBooleanType: function () { return booleanType; }, + getFalseType: function (fresh) { return fresh ? falseType : regularFalseType; }, + getTrueType: function (fresh) { return fresh ? trueType : regularTrueType; }, + getVoidType: function () { return voidType; }, + getUndefinedType: function () { return undefinedType; }, + getNullType: function () { return nullType; }, + getESSymbolType: function () { return esSymbolType; }, + getNeverType: function () { return neverType; }, + getOptionalType: function () { return optionalType; }, + getPromiseType: function () { return getGlobalPromiseType(/*reportErrors*/ false); }, + getPromiseLikeType: function () { return getGlobalPromiseLikeType(/*reportErrors*/ false); }, + isSymbolAccessible: isSymbolAccessible, + isArrayType: isArrayType, + isTupleType: isTupleType, + isArrayLikeType: isArrayLikeType, + isTypeInvalidDueToUnionDiscriminant: isTypeInvalidDueToUnionDiscriminant, + getExactOptionalProperties: getExactOptionalProperties, + getAllPossiblePropertiesOfTypes: getAllPossiblePropertiesOfTypes, + getSuggestedSymbolForNonexistentProperty: getSuggestedSymbolForNonexistentProperty, + getSuggestionForNonexistentProperty: getSuggestionForNonexistentProperty, + getSuggestedSymbolForNonexistentJSXAttribute: getSuggestedSymbolForNonexistentJSXAttribute, + getSuggestedSymbolForNonexistentSymbol: function (location, name, meaning) { return getSuggestedSymbolForNonexistentSymbol(location, ts.escapeLeadingUnderscores(name), meaning); }, + getSuggestionForNonexistentSymbol: function (location, name, meaning) { return getSuggestionForNonexistentSymbol(location, ts.escapeLeadingUnderscores(name), meaning); }, + getSuggestedSymbolForNonexistentModule: getSuggestedSymbolForNonexistentModule, + getSuggestionForNonexistentExport: getSuggestionForNonexistentExport, + getSuggestedSymbolForNonexistentClassMember: getSuggestedSymbolForNonexistentClassMember, + getBaseConstraintOfType: getBaseConstraintOfType, + getDefaultFromTypeParameter: function (type) { return type && type.flags & 262144 /* TypeFlags.TypeParameter */ ? getDefaultFromTypeParameter(type) : undefined; }, + resolveName: function (name, location, meaning, excludeGlobals) { + return resolveName(location, ts.escapeLeadingUnderscores(name), meaning, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false, excludeGlobals); + }, + getJsxNamespace: function (n) { return ts.unescapeLeadingUnderscores(getJsxNamespace(n)); }, + getJsxFragmentFactory: function (n) { + var jsxFragmentFactory = getJsxFragmentFactoryEntity(n); + return jsxFragmentFactory && ts.unescapeLeadingUnderscores(ts.getFirstIdentifier(jsxFragmentFactory).escapedText); + }, + getAccessibleSymbolChain: getAccessibleSymbolChain, + getTypePredicateOfSignature: getTypePredicateOfSignature, + resolveExternalModuleName: function (moduleSpecifierIn) { + var moduleSpecifier = ts.getParseTreeNode(moduleSpecifierIn, ts.isExpression); + return moduleSpecifier && resolveExternalModuleName(moduleSpecifier, moduleSpecifier, /*ignoreErrors*/ true); + }, + resolveExternalModuleSymbol: resolveExternalModuleSymbol, + tryGetThisTypeAt: function (nodeIn, includeGlobalThis) { + var node = ts.getParseTreeNode(nodeIn); + return node && tryGetThisTypeAt(node, includeGlobalThis); + }, + getTypeArgumentConstraint: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isTypeNode); + return node && getTypeArgumentConstraint(node); + }, + getSuggestionDiagnostics: function (fileIn, ct) { + var file = ts.getParseTreeNode(fileIn, ts.isSourceFile) || ts.Debug.fail("Could not determine parsed source file."); + if (ts.skipTypeChecking(file, compilerOptions, host)) { + return ts.emptyArray; + } + var diagnostics; + try { + // Record the cancellation token so it can be checked later on during checkSourceElement. + // Do this in a finally block so we can ensure that it gets reset back to nothing after + // this call is done. + cancellationToken = ct; + // Ensure file is type checked, with _eager_ diagnostic production, so identifiers are registered as potentially unused + checkSourceFileWithEagerDiagnostics(file); + ts.Debug.assert(!!(getNodeLinks(file).flags & 1 /* NodeCheckFlags.TypeChecked */)); + diagnostics = ts.addRange(diagnostics, suggestionDiagnostics.getDiagnostics(file.fileName)); + checkUnusedIdentifiers(getPotentiallyUnusedIdentifiers(file), function (containingNode, kind, diag) { + if (!ts.containsParseError(containingNode) && !unusedIsError(kind, !!(containingNode.flags & 16777216 /* NodeFlags.Ambient */))) { + (diagnostics || (diagnostics = [])).push(__assign(__assign({}, diag), { category: ts.DiagnosticCategory.Suggestion })); + } + }); + return diagnostics || ts.emptyArray; + } + finally { + cancellationToken = undefined; + } + }, + runWithCancellationToken: function (token, callback) { + try { + cancellationToken = token; + return callback(checker); + } + finally { + cancellationToken = undefined; + } + }, + getLocalTypeParametersOfClassOrInterfaceOrTypeAlias: getLocalTypeParametersOfClassOrInterfaceOrTypeAlias, + isDeclarationVisible: isDeclarationVisible, + isPropertyAccessible: isPropertyAccessible, + getTypeOnlyAliasDeclaration: getTypeOnlyAliasDeclaration, + getMemberOverrideModifierStatus: getMemberOverrideModifierStatus, + }; + function runWithInferenceBlockedFromSourceNode(node, fn) { + var containingCall = ts.findAncestor(node, ts.isCallLikeExpression); + var containingCallResolvedSignature = containingCall && getNodeLinks(containingCall).resolvedSignature; + if (containingCall) { + var toMarkSkip = node; + do { + getNodeLinks(toMarkSkip).skipDirectInference = true; + toMarkSkip = toMarkSkip.parent; + } while (toMarkSkip && toMarkSkip !== containingCall); + getNodeLinks(containingCall).resolvedSignature = undefined; + } + var result = fn(); + if (containingCall) { + var toMarkSkip = node; + do { + getNodeLinks(toMarkSkip).skipDirectInference = undefined; + toMarkSkip = toMarkSkip.parent; + } while (toMarkSkip && toMarkSkip !== containingCall); + getNodeLinks(containingCall).resolvedSignature = containingCallResolvedSignature; + } + return result; + } + function getResolvedSignatureWorker(nodeIn, candidatesOutArray, argumentCount, checkMode, editingArgument) { + var node = ts.getParseTreeNode(nodeIn, ts.isCallLikeExpression); + apparentArgumentCount = argumentCount; + var res = !node ? undefined : + editingArgument ? runWithInferenceBlockedFromSourceNode(editingArgument, function () { return getResolvedSignature(node, candidatesOutArray, checkMode); }) : + getResolvedSignature(node, candidatesOutArray, checkMode); + apparentArgumentCount = undefined; + return res; + } + var tupleTypes = new ts.Map(); + var unionTypes = new ts.Map(); + var intersectionTypes = new ts.Map(); + var stringLiteralTypes = new ts.Map(); + var numberLiteralTypes = new ts.Map(); + var bigIntLiteralTypes = new ts.Map(); + var enumLiteralTypes = new ts.Map(); + var indexedAccessTypes = new ts.Map(); + var templateLiteralTypes = new ts.Map(); + var stringMappingTypes = new ts.Map(); + var substitutionTypes = new ts.Map(); + var subtypeReductionCache = new ts.Map(); + var evolvingArrayTypes = []; + var undefinedProperties = new ts.Map(); + var markerTypes = new ts.Set(); + var unknownSymbol = createSymbol(4 /* SymbolFlags.Property */, "unknown"); + var resolvingSymbol = createSymbol(0, "__resolving__" /* InternalSymbolName.Resolving */); + var unresolvedSymbols = new ts.Map(); + var errorTypes = new ts.Map(); + var anyType = createIntrinsicType(1 /* TypeFlags.Any */, "any"); + var autoType = createIntrinsicType(1 /* TypeFlags.Any */, "any"); + var wildcardType = createIntrinsicType(1 /* TypeFlags.Any */, "any"); + var errorType = createIntrinsicType(1 /* TypeFlags.Any */, "error"); + var unresolvedType = createIntrinsicType(1 /* TypeFlags.Any */, "unresolved"); + var nonInferrableAnyType = createIntrinsicType(1 /* TypeFlags.Any */, "any", 65536 /* ObjectFlags.ContainsWideningType */); + var intrinsicMarkerType = createIntrinsicType(1 /* TypeFlags.Any */, "intrinsic"); + var unknownType = createIntrinsicType(2 /* TypeFlags.Unknown */, "unknown"); + var nonNullUnknownType = createIntrinsicType(2 /* TypeFlags.Unknown */, "unknown"); + var undefinedType = createIntrinsicType(32768 /* TypeFlags.Undefined */, "undefined"); + var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(32768 /* TypeFlags.Undefined */, "undefined", 65536 /* ObjectFlags.ContainsWideningType */); + var optionalType = createIntrinsicType(32768 /* TypeFlags.Undefined */, "undefined"); + var missingType = exactOptionalPropertyTypes ? createIntrinsicType(32768 /* TypeFlags.Undefined */, "undefined") : undefinedType; + var nullType = createIntrinsicType(65536 /* TypeFlags.Null */, "null"); + var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(65536 /* TypeFlags.Null */, "null", 65536 /* ObjectFlags.ContainsWideningType */); + var stringType = createIntrinsicType(4 /* TypeFlags.String */, "string"); + var numberType = createIntrinsicType(8 /* TypeFlags.Number */, "number"); + var bigintType = createIntrinsicType(64 /* TypeFlags.BigInt */, "bigint"); + var falseType = createIntrinsicType(512 /* TypeFlags.BooleanLiteral */, "false"); + var regularFalseType = createIntrinsicType(512 /* TypeFlags.BooleanLiteral */, "false"); + var trueType = createIntrinsicType(512 /* TypeFlags.BooleanLiteral */, "true"); + var regularTrueType = createIntrinsicType(512 /* TypeFlags.BooleanLiteral */, "true"); + trueType.regularType = regularTrueType; + trueType.freshType = trueType; + regularTrueType.regularType = regularTrueType; + regularTrueType.freshType = trueType; + falseType.regularType = regularFalseType; + falseType.freshType = falseType; + regularFalseType.regularType = regularFalseType; + regularFalseType.freshType = falseType; + var booleanType = getUnionType([regularFalseType, regularTrueType]); + var esSymbolType = createIntrinsicType(4096 /* TypeFlags.ESSymbol */, "symbol"); + var voidType = createIntrinsicType(16384 /* TypeFlags.Void */, "void"); + var neverType = createIntrinsicType(131072 /* TypeFlags.Never */, "never"); + var silentNeverType = createIntrinsicType(131072 /* TypeFlags.Never */, "never"); + var nonInferrableType = createIntrinsicType(131072 /* TypeFlags.Never */, "never", 262144 /* ObjectFlags.NonInferrableType */); + var implicitNeverType = createIntrinsicType(131072 /* TypeFlags.Never */, "never"); + var unreachableNeverType = createIntrinsicType(131072 /* TypeFlags.Never */, "never"); + var nonPrimitiveType = createIntrinsicType(67108864 /* TypeFlags.NonPrimitive */, "object"); + var stringOrNumberType = getUnionType([stringType, numberType]); + var stringNumberSymbolType = getUnionType([stringType, numberType, esSymbolType]); + var keyofConstraintType = keyofStringsOnly ? stringType : stringNumberSymbolType; + var numberOrBigIntType = getUnionType([numberType, bigintType]); + var templateConstraintType = getUnionType([stringType, numberType, booleanType, bigintType, nullType, undefinedType]); + var numericStringType = getTemplateLiteralType(["", ""], [numberType]); // The `${number}` type + var restrictiveMapper = makeFunctionTypeMapper(function (t) { return t.flags & 262144 /* TypeFlags.TypeParameter */ ? getRestrictiveTypeParameter(t) : t; }); + var permissiveMapper = makeFunctionTypeMapper(function (t) { return t.flags & 262144 /* TypeFlags.TypeParameter */ ? wildcardType : t; }); + var uniqueLiteralType = createIntrinsicType(131072 /* TypeFlags.Never */, "never"); // `uniqueLiteralType` is a special `never` flagged by union reduction to behave as a literal + var uniqueLiteralMapper = makeFunctionTypeMapper(function (t) { return t.flags & 262144 /* TypeFlags.TypeParameter */ ? uniqueLiteralType : t; }); // replace all type parameters with the unique literal type (disregarding constraints) + var emptyObjectType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var emptyJsxObjectType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + emptyJsxObjectType.objectFlags |= 2048 /* ObjectFlags.JsxAttributes */; + var emptyTypeLiteralSymbol = createSymbol(2048 /* SymbolFlags.TypeLiteral */, "__type" /* InternalSymbolName.Type */); + emptyTypeLiteralSymbol.members = ts.createSymbolTable(); + var emptyTypeLiteralType = createAnonymousType(emptyTypeLiteralSymbol, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var emptyGenericType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + emptyGenericType.instantiations = new ts.Map(); + var anyFunctionType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated + // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. + anyFunctionType.objectFlags |= 262144 /* ObjectFlags.NonInferrableType */; + var noConstraintType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var circularConstraintType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var resolvingDefaultType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var markerSuperType = createTypeParameter(); + var markerSubType = createTypeParameter(); + markerSubType.constraint = markerSuperType; + var markerOtherType = createTypeParameter(); + var noTypePredicate = createTypePredicate(1 /* TypePredicateKind.Identifier */, "<>", 0, anyType); + var anySignature = createSignature(undefined, undefined, undefined, ts.emptyArray, anyType, /*resolvedTypePredicate*/ undefined, 0, 0 /* SignatureFlags.None */); + var unknownSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, errorType, /*resolvedTypePredicate*/ undefined, 0, 0 /* SignatureFlags.None */); + var resolvingSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, anyType, /*resolvedTypePredicate*/ undefined, 0, 0 /* SignatureFlags.None */); + var silentNeverSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, silentNeverType, /*resolvedTypePredicate*/ undefined, 0, 0 /* SignatureFlags.None */); + var enumNumberIndexInfo = createIndexInfo(numberType, stringType, /*isReadonly*/ true); + var iterationTypesCache = new ts.Map(); // cache for common IterationTypes instances + var noIterationTypes = { + get yieldType() { return ts.Debug.fail("Not supported"); }, + get returnType() { return ts.Debug.fail("Not supported"); }, + get nextType() { return ts.Debug.fail("Not supported"); }, + }; + var anyIterationTypes = createIterationTypes(anyType, anyType, anyType); + var anyIterationTypesExceptNext = createIterationTypes(anyType, anyType, unknownType); + var defaultIterationTypes = createIterationTypes(neverType, anyType, undefinedType); // default iteration types for `Iterator`. + var asyncIterationTypesResolver = { + iterableCacheKey: "iterationTypesOfAsyncIterable", + iteratorCacheKey: "iterationTypesOfAsyncIterator", + iteratorSymbolName: "asyncIterator", + getGlobalIteratorType: getGlobalAsyncIteratorType, + getGlobalIterableType: getGlobalAsyncIterableType, + getGlobalIterableIteratorType: getGlobalAsyncIterableIteratorType, + getGlobalGeneratorType: getGlobalAsyncGeneratorType, + resolveIterationType: getAwaitedType, + mustHaveANextMethodDiagnostic: ts.Diagnostics.An_async_iterator_must_have_a_next_method, + mustBeAMethodDiagnostic: ts.Diagnostics.The_0_property_of_an_async_iterator_must_be_a_method, + mustHaveAValueDiagnostic: ts.Diagnostics.The_type_returned_by_the_0_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_property, + }; + var syncIterationTypesResolver = { + iterableCacheKey: "iterationTypesOfIterable", + iteratorCacheKey: "iterationTypesOfIterator", + iteratorSymbolName: "iterator", + getGlobalIteratorType: getGlobalIteratorType, + getGlobalIterableType: getGlobalIterableType, + getGlobalIterableIteratorType: getGlobalIterableIteratorType, + getGlobalGeneratorType: getGlobalGeneratorType, + resolveIterationType: function (type, _errorNode) { return type; }, + mustHaveANextMethodDiagnostic: ts.Diagnostics.An_iterator_must_have_a_next_method, + mustBeAMethodDiagnostic: ts.Diagnostics.The_0_property_of_an_iterator_must_be_a_method, + mustHaveAValueDiagnostic: ts.Diagnostics.The_type_returned_by_the_0_method_of_an_iterator_must_have_a_value_property, + }; + /** Key is "/path/to/a.ts|/path/to/b.ts". */ + var amalgamatedDuplicates; + var reverseMappedCache = new ts.Map(); + var inInferTypeForHomomorphicMappedType = false; + var ambientModulesCache; + /** + * List of every ambient module with a "*" wildcard. + * Unlike other ambient modules, these can't be stored in `globals` because symbol tables only deal with exact matches. + * This is only used if there is no exact match. + */ + var patternAmbientModules; + var patternAmbientModuleAugmentations; + var globalObjectType; + var globalFunctionType; + var globalCallableFunctionType; + var globalNewableFunctionType; + var globalArrayType; + var globalReadonlyArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var globalThisType; + var anyArrayType; + var autoArrayType; + var anyReadonlyArrayType; + var deferredGlobalNonNullableTypeAlias; + // The library files are only loaded when the feature is used. + // This allows users to just specify library files they want to used through --lib + // and they will not get an error from not having unrelated library files + var deferredGlobalESSymbolConstructorSymbol; + var deferredGlobalESSymbolConstructorTypeSymbol; + var deferredGlobalESSymbolType; + var deferredGlobalTypedPropertyDescriptorType; + var deferredGlobalPromiseType; + var deferredGlobalPromiseLikeType; + var deferredGlobalPromiseConstructorSymbol; + var deferredGlobalPromiseConstructorLikeType; + var deferredGlobalIterableType; + var deferredGlobalIteratorType; + var deferredGlobalIterableIteratorType; + var deferredGlobalGeneratorType; + var deferredGlobalIteratorYieldResultType; + var deferredGlobalIteratorReturnResultType; + var deferredGlobalAsyncIterableType; + var deferredGlobalAsyncIteratorType; + var deferredGlobalAsyncIterableIteratorType; + var deferredGlobalAsyncGeneratorType; + var deferredGlobalTemplateStringsArrayType; + var deferredGlobalImportMetaType; + var deferredGlobalImportMetaExpressionType; + var deferredGlobalImportCallOptionsType; + var deferredGlobalExtractSymbol; + var deferredGlobalOmitSymbol; + var deferredGlobalAwaitedSymbol; + var deferredGlobalBigIntType; + var allPotentiallyUnusedIdentifiers = new ts.Map(); // key is file name + var flowLoopStart = 0; + var flowLoopCount = 0; + var sharedFlowCount = 0; + var flowAnalysisDisabled = false; + var flowInvocationCount = 0; + var lastFlowNode; + var lastFlowNodeReachable; + var flowTypeCache; + var emptyStringType = getStringLiteralType(""); + var zeroType = getNumberLiteralType(0); + var zeroBigIntType = getBigIntLiteralType({ negative: false, base10Value: "0" }); + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var suggestionCount = 0; + var maximumSuggestionCount = 10; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var flowLoopCaches = []; + var flowLoopNodes = []; + var flowLoopKeys = []; + var flowLoopTypes = []; + var sharedFlowNodes = []; + var sharedFlowTypes = []; + var flowNodeReachable = []; + var flowNodePostSuper = []; + var potentialThisCollisions = []; + var potentialNewTargetCollisions = []; + var potentialWeakMapSetCollisions = []; + var potentialReflectCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var suggestionDiagnostics = ts.createDiagnosticCollection(); + var typeofTypesByName = new ts.Map(ts.getEntries({ + string: stringType, + number: numberType, + bigint: bigintType, + boolean: booleanType, + symbol: esSymbolType, + undefined: undefinedType + })); + var typeofType = createTypeofType(); + var _jsxNamespace; + var _jsxFactoryEntity; + var outofbandVarianceMarkerHandler; + var subtypeRelation = new ts.Map(); + var strictSubtypeRelation = new ts.Map(); + var assignableRelation = new ts.Map(); + var comparableRelation = new ts.Map(); + var identityRelation = new ts.Map(); + var enumRelation = new ts.Map(); + var builtinGlobals = ts.createSymbolTable(); + builtinGlobals.set(undefinedSymbol.escapedName, undefinedSymbol); + // Extensions suggested for path imports when module resolution is node16 or higher. + // The first element of each tuple is the extension a file has. + // The second element of each tuple is the extension that should be used in a path import. + // e.g. if we want to import file `foo.mts`, we should write `import {} from "./foo.mjs". + var suggestedExtensions = [ + [".mts", ".mjs"], + [".ts", ".js"], + [".cts", ".cjs"], + [".mjs", ".mjs"], + [".js", ".js"], + [".cjs", ".cjs"], + [".tsx", compilerOptions.jsx === 1 /* JsxEmit.Preserve */ ? ".jsx" : ".js"], + [".jsx", ".jsx"], + [".json", ".json"], + ]; + initializeTypeChecker(); + return checker; + function getJsxNamespace(location) { + if (location) { + var file = ts.getSourceFileOfNode(location); + if (file) { + if (ts.isJsxOpeningFragment(location)) { + if (file.localJsxFragmentNamespace) { + return file.localJsxFragmentNamespace; + } + var jsxFragmentPragma = file.pragmas.get("jsxfrag"); + if (jsxFragmentPragma) { + var chosenPragma = ts.isArray(jsxFragmentPragma) ? jsxFragmentPragma[0] : jsxFragmentPragma; + file.localJsxFragmentFactory = ts.parseIsolatedEntityName(chosenPragma.arguments.factory, languageVersion); + ts.visitNode(file.localJsxFragmentFactory, markAsSynthetic); + if (file.localJsxFragmentFactory) { + return file.localJsxFragmentNamespace = ts.getFirstIdentifier(file.localJsxFragmentFactory).escapedText; + } + } + var entity = getJsxFragmentFactoryEntity(location); + if (entity) { + file.localJsxFragmentFactory = entity; + return file.localJsxFragmentNamespace = ts.getFirstIdentifier(entity).escapedText; + } + } + else { + var localJsxNamespace = getLocalJsxNamespace(file); + if (localJsxNamespace) { + return file.localJsxNamespace = localJsxNamespace; + } + } + } + } + if (!_jsxNamespace) { + _jsxNamespace = "React"; + if (compilerOptions.jsxFactory) { + _jsxFactoryEntity = ts.parseIsolatedEntityName(compilerOptions.jsxFactory, languageVersion); + ts.visitNode(_jsxFactoryEntity, markAsSynthetic); + if (_jsxFactoryEntity) { + _jsxNamespace = ts.getFirstIdentifier(_jsxFactoryEntity).escapedText; + } + } + else if (compilerOptions.reactNamespace) { + _jsxNamespace = ts.escapeLeadingUnderscores(compilerOptions.reactNamespace); + } + } + if (!_jsxFactoryEntity) { + _jsxFactoryEntity = ts.factory.createQualifiedName(ts.factory.createIdentifier(ts.unescapeLeadingUnderscores(_jsxNamespace)), "createElement"); + } + return _jsxNamespace; + } + function getLocalJsxNamespace(file) { + if (file.localJsxNamespace) { + return file.localJsxNamespace; + } + var jsxPragma = file.pragmas.get("jsx"); + if (jsxPragma) { + var chosenPragma = ts.isArray(jsxPragma) ? jsxPragma[0] : jsxPragma; + file.localJsxFactory = ts.parseIsolatedEntityName(chosenPragma.arguments.factory, languageVersion); + ts.visitNode(file.localJsxFactory, markAsSynthetic); + if (file.localJsxFactory) { + return file.localJsxNamespace = ts.getFirstIdentifier(file.localJsxFactory).escapedText; + } + } + } + function markAsSynthetic(node) { + ts.setTextRangePosEnd(node, -1, -1); + return ts.visitEachChild(node, markAsSynthetic, ts.nullTransformationContext); + } + function getEmitResolver(sourceFile, cancellationToken) { + // Ensure we have all the type information in place for this file so that all the + // emitter questions of this resolver will return the right information. + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; + } + function lookupOrIssueError(location, message, arg0, arg1, arg2, arg3) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2, arg3) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2, arg3); + var existing = diagnostics.lookup(diagnostic); + if (existing) { + return existing; + } + else { + diagnostics.add(diagnostic); + return diagnostic; + } + } + function errorSkippedOn(key, location, message, arg0, arg1, arg2, arg3) { + var diagnostic = error(location, message, arg0, arg1, arg2, arg3); + diagnostic.skippedOn = key; + return diagnostic; + } + function createError(location, message, arg0, arg1, arg2, arg3) { + return location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2, arg3) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2, arg3); + } + function error(location, message, arg0, arg1, arg2, arg3) { + var diagnostic = createError(location, message, arg0, arg1, arg2, arg3); + diagnostics.add(diagnostic); + return diagnostic; + } + function addErrorOrSuggestion(isError, diagnostic) { + if (isError) { + diagnostics.add(diagnostic); + } + else { + suggestionDiagnostics.add(__assign(__assign({}, diagnostic), { category: ts.DiagnosticCategory.Suggestion })); + } + } + function errorOrSuggestion(isError, location, message, arg0, arg1, arg2, arg3) { + // Pseudo-synthesized input node + if (location.pos < 0 || location.end < 0) { + if (!isError) { + return; // Drop suggestions (we have no span to suggest on) + } + // Issue errors globally + var file = ts.getSourceFileOfNode(location); + addErrorOrSuggestion(isError, "message" in message ? ts.createFileDiagnostic(file, 0, 0, message, arg0, arg1, arg2, arg3) : ts.createDiagnosticForFileFromMessageChain(file, message)); // eslint-disable-line no-in-operator + return; + } + addErrorOrSuggestion(isError, "message" in message ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2, arg3) : ts.createDiagnosticForNodeFromMessageChain(location, message)); // eslint-disable-line no-in-operator + } + function errorAndMaybeSuggestAwait(location, maybeMissingAwait, message, arg0, arg1, arg2, arg3) { + var diagnostic = error(location, message, arg0, arg1, arg2, arg3); + if (maybeMissingAwait) { + var related = ts.createDiagnosticForNode(location, ts.Diagnostics.Did_you_forget_to_use_await); + ts.addRelatedInfo(diagnostic, related); + } + return diagnostic; + } + function addDeprecatedSuggestionWorker(declarations, diagnostic) { + var deprecatedTag = Array.isArray(declarations) ? ts.forEach(declarations, ts.getJSDocDeprecatedTag) : ts.getJSDocDeprecatedTag(declarations); + if (deprecatedTag) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(deprecatedTag, ts.Diagnostics.The_declaration_was_marked_as_deprecated_here)); + } + // We call `addRelatedInfo()` before adding the diagnostic to prevent duplicates. + suggestionDiagnostics.add(diagnostic); + return diagnostic; + } + function isDeprecatedSymbol(symbol) { + return !!(getDeclarationNodeFlagsFromSymbol(symbol) & 268435456 /* NodeFlags.Deprecated */); + } + function addDeprecatedSuggestion(location, declarations, deprecatedEntity) { + var diagnostic = ts.createDiagnosticForNode(location, ts.Diagnostics._0_is_deprecated, deprecatedEntity); + return addDeprecatedSuggestionWorker(declarations, diagnostic); + } + function addDeprecatedSuggestionWithSignature(location, declaration, deprecatedEntity, signatureString) { + var diagnostic = deprecatedEntity + ? ts.createDiagnosticForNode(location, ts.Diagnostics.The_signature_0_of_1_is_deprecated, signatureString, deprecatedEntity) + : ts.createDiagnosticForNode(location, ts.Diagnostics._0_is_deprecated, signatureString); + return addDeprecatedSuggestionWorker(declaration, diagnostic); + } + function createSymbol(flags, name, checkFlags) { + symbolCount++; + var symbol = new Symbol(flags | 33554432 /* SymbolFlags.Transient */, name); + symbol.checkFlags = checkFlags || 0; + return symbol; + } + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2 /* SymbolFlags.BlockScopedVariable */) + result |= 111551 /* SymbolFlags.BlockScopedVariableExcludes */; + if (flags & 1 /* SymbolFlags.FunctionScopedVariable */) + result |= 111550 /* SymbolFlags.FunctionScopedVariableExcludes */; + if (flags & 4 /* SymbolFlags.Property */) + result |= 0 /* SymbolFlags.PropertyExcludes */; + if (flags & 8 /* SymbolFlags.EnumMember */) + result |= 900095 /* SymbolFlags.EnumMemberExcludes */; + if (flags & 16 /* SymbolFlags.Function */) + result |= 110991 /* SymbolFlags.FunctionExcludes */; + if (flags & 32 /* SymbolFlags.Class */) + result |= 899503 /* SymbolFlags.ClassExcludes */; + if (flags & 64 /* SymbolFlags.Interface */) + result |= 788872 /* SymbolFlags.InterfaceExcludes */; + if (flags & 256 /* SymbolFlags.RegularEnum */) + result |= 899327 /* SymbolFlags.RegularEnumExcludes */; + if (flags & 128 /* SymbolFlags.ConstEnum */) + result |= 899967 /* SymbolFlags.ConstEnumExcludes */; + if (flags & 512 /* SymbolFlags.ValueModule */) + result |= 110735 /* SymbolFlags.ValueModuleExcludes */; + if (flags & 8192 /* SymbolFlags.Method */) + result |= 103359 /* SymbolFlags.MethodExcludes */; + if (flags & 32768 /* SymbolFlags.GetAccessor */) + result |= 46015 /* SymbolFlags.GetAccessorExcludes */; + if (flags & 65536 /* SymbolFlags.SetAccessor */) + result |= 78783 /* SymbolFlags.SetAccessorExcludes */; + if (flags & 262144 /* SymbolFlags.TypeParameter */) + result |= 526824 /* SymbolFlags.TypeParameterExcludes */; + if (flags & 524288 /* SymbolFlags.TypeAlias */) + result |= 788968 /* SymbolFlags.TypeAliasExcludes */; + if (flags & 2097152 /* SymbolFlags.Alias */) + result |= 2097152 /* SymbolFlags.AliasExcludes */; + return result; + } + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; + } + mergedSymbols[source.mergeId] = target; + } + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags, symbol.escapedName); + result.declarations = symbol.declarations ? symbol.declarations.slice() : []; + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = new ts.Map(symbol.members); + if (symbol.exports) + result.exports = new ts.Map(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + /** + * Note: if target is transient, then it is mutable, and mergeSymbol with both mutate and return it. + * If target is not transient, mergeSymbol will produce a transient clone, mutate that and return it. + */ + function mergeSymbol(target, source, unidirectional) { + if (unidirectional === void 0) { unidirectional = false; } + if (!(target.flags & getExcludedSymbolFlags(source.flags)) || + (source.flags | target.flags) & 67108864 /* SymbolFlags.Assignment */) { + if (source === target) { + // This can happen when an export assigned namespace exports something also erroneously exported at the top level + // See `declarationFileNoCrashOnExtraExportModifier` for an example + return target; + } + if (!(target.flags & 33554432 /* SymbolFlags.Transient */)) { + var resolvedTarget = resolveSymbol(target); + if (resolvedTarget === unknownSymbol) { + return source; + } + target = cloneSymbol(resolvedTarget); + } + // Javascript static-property-assignment declarations always merge, even though they are also values + if (source.flags & 512 /* SymbolFlags.ValueModule */ && target.flags & 512 /* SymbolFlags.ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + // reset flag when merging instantiated module into value module that has only const enums + target.constEnumOnlyModule = false; + } + target.flags |= source.flags; + if (source.valueDeclaration) { + ts.setValueDeclaration(target, source.valueDeclaration); + } + ts.addRange(target.declarations, source.declarations); + if (source.members) { + if (!target.members) + target.members = ts.createSymbolTable(); + mergeSymbolTable(target.members, source.members, unidirectional); + } + if (source.exports) { + if (!target.exports) + target.exports = ts.createSymbolTable(); + mergeSymbolTable(target.exports, source.exports, unidirectional); + } + if (!unidirectional) { + recordMergedSymbol(target, source); + } + } + else if (target.flags & 1024 /* SymbolFlags.NamespaceModule */) { + // Do not report an error when merging `var globalThis` with the built-in `globalThis`, + // as we will already report a "Declaration name conflicts..." error, and this error + // won't make much sense. + if (target !== globalThisSymbol) { + error(source.declarations && ts.getNameOfDeclaration(source.declarations[0]), ts.Diagnostics.Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity, symbolToString(target)); + } + } + else { // error + var isEitherEnum = !!(target.flags & 384 /* SymbolFlags.Enum */ || source.flags & 384 /* SymbolFlags.Enum */); + var isEitherBlockScoped_1 = !!(target.flags & 2 /* SymbolFlags.BlockScopedVariable */ || source.flags & 2 /* SymbolFlags.BlockScopedVariable */); + var message = isEitherEnum ? ts.Diagnostics.Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations + : isEitherBlockScoped_1 ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + var sourceSymbolFile = source.declarations && ts.getSourceFileOfNode(source.declarations[0]); + var targetSymbolFile = target.declarations && ts.getSourceFileOfNode(target.declarations[0]); + var isSourcePlainJs = ts.isPlainJsFile(sourceSymbolFile, compilerOptions.checkJs); + var isTargetPlainJs = ts.isPlainJsFile(targetSymbolFile, compilerOptions.checkJs); + var symbolName_1 = symbolToString(source); + // Collect top-level duplicate identifier errors into one mapping, so we can then merge their diagnostics if there are a bunch + if (sourceSymbolFile && targetSymbolFile && amalgamatedDuplicates && !isEitherEnum && sourceSymbolFile !== targetSymbolFile) { + var firstFile_1 = ts.comparePaths(sourceSymbolFile.path, targetSymbolFile.path) === -1 /* Comparison.LessThan */ ? sourceSymbolFile : targetSymbolFile; + var secondFile_1 = firstFile_1 === sourceSymbolFile ? targetSymbolFile : sourceSymbolFile; + var filesDuplicates = ts.getOrUpdate(amalgamatedDuplicates, "".concat(firstFile_1.path, "|").concat(secondFile_1.path), function () { + return ({ firstFile: firstFile_1, secondFile: secondFile_1, conflictingSymbols: new ts.Map() }); + }); + var conflictingSymbolInfo = ts.getOrUpdate(filesDuplicates.conflictingSymbols, symbolName_1, function () { + return ({ isBlockScoped: isEitherBlockScoped_1, firstFileLocations: [], secondFileLocations: [] }); + }); + if (!isSourcePlainJs) + addDuplicateLocations(conflictingSymbolInfo.firstFileLocations, source); + if (!isTargetPlainJs) + addDuplicateLocations(conflictingSymbolInfo.secondFileLocations, target); + } + else { + if (!isSourcePlainJs) + addDuplicateDeclarationErrorsForSymbols(source, message, symbolName_1, target); + if (!isTargetPlainJs) + addDuplicateDeclarationErrorsForSymbols(target, message, symbolName_1, source); + } + } + return target; + function addDuplicateLocations(locs, symbol) { + if (symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + ts.pushIfUnique(locs, decl); + } + } + } + } + function addDuplicateDeclarationErrorsForSymbols(target, message, symbolName, source) { + ts.forEach(target.declarations, function (node) { + addDuplicateDeclarationError(node, message, symbolName, source.declarations); + }); + } + function addDuplicateDeclarationError(node, message, symbolName, relatedNodes) { + var errorNode = (ts.getExpandoInitializer(node, /*isPrototypeAssignment*/ false) ? ts.getNameOfExpando(node) : ts.getNameOfDeclaration(node)) || node; + var err = lookupOrIssueError(errorNode, message, symbolName); + var _loop_7 = function (relatedNode) { + var adjustedNode = (ts.getExpandoInitializer(relatedNode, /*isPrototypeAssignment*/ false) ? ts.getNameOfExpando(relatedNode) : ts.getNameOfDeclaration(relatedNode)) || relatedNode; + if (adjustedNode === errorNode) + return "continue"; + err.relatedInformation = err.relatedInformation || []; + var leadingMessage = ts.createDiagnosticForNode(adjustedNode, ts.Diagnostics._0_was_also_declared_here, symbolName); + var followOnMessage = ts.createDiagnosticForNode(adjustedNode, ts.Diagnostics.and_here); + if (ts.length(err.relatedInformation) >= 5 || ts.some(err.relatedInformation, function (r) { return ts.compareDiagnostics(r, followOnMessage) === 0 /* Comparison.EqualTo */ || ts.compareDiagnostics(r, leadingMessage) === 0 /* Comparison.EqualTo */; })) + return "continue"; + ts.addRelatedInfo(err, !ts.length(err.relatedInformation) ? leadingMessage : followOnMessage); + }; + for (var _i = 0, _a = relatedNodes || ts.emptyArray; _i < _a.length; _i++) { + var relatedNode = _a[_i]; + _loop_7(relatedNode); + } + } + function combineSymbolTables(first, second) { + if (!(first === null || first === void 0 ? void 0 : first.size)) + return second; + if (!(second === null || second === void 0 ? void 0 : second.size)) + return first; + var combined = ts.createSymbolTable(); + mergeSymbolTable(combined, first); + mergeSymbolTable(combined, second); + return combined; + } + function mergeSymbolTable(target, source, unidirectional) { + if (unidirectional === void 0) { unidirectional = false; } + source.forEach(function (sourceSymbol, id) { + var targetSymbol = target.get(id); + target.set(id, targetSymbol ? mergeSymbol(targetSymbol, sourceSymbol, unidirectional) : sourceSymbol); + }); + } + function mergeModuleAugmentation(moduleName) { + var _a, _b, _c; + var moduleAugmentation = moduleName.parent; + if (((_a = moduleAugmentation.symbol.declarations) === null || _a === void 0 ? void 0 : _a[0]) !== moduleAugmentation) { + // this is a combined symbol for multiple augmentations within the same file. + // its symbol already has accumulated information for all declarations + // so we need to add it just once - do the work only for first declaration + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + return; + } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); + } + else { + // find a module that about to be augmented + // do not validate names of augmentations that are defined in ambient context + var moduleNotFoundError = !(moduleName.parent.parent.flags & 16777216 /* NodeFlags.Ambient */) + ? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found + : undefined; + var mainModule_1 = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError, /*isForAugmentation*/ true); + if (!mainModule_1) { + return; + } + // obtain item referenced by 'export=' + mainModule_1 = resolveExternalModuleSymbol(mainModule_1); + if (mainModule_1.flags & 1920 /* SymbolFlags.Namespace */) { + // If we're merging an augmentation to a pattern ambient module, we want to + // perform the merge unidirectionally from the augmentation ('a.foo') to + // the pattern ('*.foo'), so that 'getMergedSymbol()' on a.foo gives you + // all the exports both from the pattern and from the augmentation, but + // 'getMergedSymbol()' on *.foo only gives you exports from *.foo. + if (ts.some(patternAmbientModules, function (module) { return mainModule_1 === module.symbol; })) { + var merged = mergeSymbol(moduleAugmentation.symbol, mainModule_1, /*unidirectional*/ true); + if (!patternAmbientModuleAugmentations) { + patternAmbientModuleAugmentations = new ts.Map(); + } + // moduleName will be a StringLiteral since this is not `declare global`. + patternAmbientModuleAugmentations.set(moduleName.text, merged); + } + else { + if (((_b = mainModule_1.exports) === null || _b === void 0 ? void 0 : _b.get("__export" /* InternalSymbolName.ExportStar */)) && ((_c = moduleAugmentation.symbol.exports) === null || _c === void 0 ? void 0 : _c.size)) { + // We may need to merge the module augmentation's exports into the target symbols of the resolved exports + var resolvedExports = getResolvedMembersOrExportsOfSymbol(mainModule_1, "resolvedExports" /* MembersOrExportsResolutionKind.resolvedExports */); + for (var _i = 0, _d = ts.arrayFrom(moduleAugmentation.symbol.exports.entries()); _i < _d.length; _i++) { + var _e = _d[_i], key = _e[0], value = _e[1]; + if (resolvedExports.has(key) && !mainModule_1.exports.has(key)) { + mergeSymbol(resolvedExports.get(key), value); + } + } + } + mergeSymbol(mainModule_1, moduleAugmentation.symbol); + } + } + else { + // moduleName will be a StringLiteral since this is not `declare global`. + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); + } + } + } + function addToSymbolTable(target, source, message) { + source.forEach(function (sourceSymbol, id) { + var targetSymbol = target.get(id); + if (targetSymbol) { + // Error on redeclarations + ts.forEach(targetSymbol.declarations, addDeclarationDiagnostic(ts.unescapeLeadingUnderscores(id), message)); + } + else { + target.set(id, sourceSymbol); + } + }); + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } + } + function getSymbolLinks(symbol) { + if (symbol.flags & 33554432 /* SymbolFlags.Transient */) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = new SymbolLinks()); + } + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = new NodeLinks()); + } + function isGlobalSourceFile(node) { + return node.kind === 305 /* SyntaxKind.SourceFile */ && !ts.isExternalOrCommonJsModule(node); + } + function getSymbol(symbols, name, meaning) { + if (meaning) { + var symbol = getMergedSymbol(symbols.get(name)); + if (symbol) { + ts.Debug.assert((ts.getCheckFlags(symbol) & 1 /* CheckFlags.Instantiated */) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + var target = resolveAlias(symbol); + // Unknown symbol means an error occurred in alias resolution, treat it as positive answer to avoid cascading errors + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } + } + } + // return undefined if we can't find a symbol. + } + /** + * Get symbols that represent parameter-property-declaration as parameter and as property declaration + * @param parameter a parameterDeclaration node + * @param parameterName a name of the parameter to get the symbols for. + * @return a tuple of two symbols + */ + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructorDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 111551 /* SymbolFlags.Value */); + var propertySymbol = getSymbol(getMembersOfSymbol(classDeclaration.symbol), parameterName, 111551 /* SymbolFlags.Value */); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; + } + return ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + } + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + var declContainer = ts.getEnclosingBlockScopeContainer(declaration); + if (declarationFile !== useFile) { + if ((moduleKind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) || + (!ts.outFile(compilerOptions)) || + isInTypeQuery(usage) || + declaration.flags & 16777216 /* NodeFlags.Ambient */) { + // nodes are in different files and order cannot be determined + return true; + } + // declaration is after usage + // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) + if (isUsedInFunctionOrInstanceProperty(usage, declaration)) { + return true; + } + var sourceFiles = host.getSourceFiles(); + return sourceFiles.indexOf(declarationFile) <= sourceFiles.indexOf(useFile); + } + if (declaration.pos <= usage.pos && !(ts.isPropertyDeclaration(declaration) && ts.isThisProperty(usage.parent) && !declaration.initializer && !declaration.exclamationToken)) { + // declaration is before usage + if (declaration.kind === 203 /* SyntaxKind.BindingElement */) { + // still might be illegal if declaration and usage are both binding elements (eg var [a = b, b = b] = [1, 2]) + var errorBindingElement = ts.getAncestor(usage, 203 /* SyntaxKind.BindingElement */); + if (errorBindingElement) { + return ts.findAncestor(errorBindingElement, ts.isBindingElement) !== ts.findAncestor(declaration, ts.isBindingElement) || + declaration.pos < errorBindingElement.pos; + } + // or it might be illegal if usage happens before parent variable is declared (eg var [a] = a) + return isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 254 /* SyntaxKind.VariableDeclaration */), usage); + } + else if (declaration.kind === 254 /* SyntaxKind.VariableDeclaration */) { + // still might be illegal if usage is in the initializer of the variable declaration (eg var a = a) + return !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); + } + else if (ts.isClassDeclaration(declaration)) { + // still might be illegal if the usage is within a computed property name in the class (eg class A { static p = "a"; [A.p]() {} }) + return !ts.findAncestor(usage, function (n) { return ts.isComputedPropertyName(n) && n.parent.parent === declaration; }); + } + else if (ts.isPropertyDeclaration(declaration)) { + // still might be illegal if a self-referencing property initializer (eg private x = this.x) + return !isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, /*stopAtAnyPropertyDeclaration*/ false); + } + else if (ts.isParameterPropertyDeclaration(declaration, declaration.parent)) { + // foo = this.bar is illegal in esnext+useDefineForClassFields when bar is a parameter property + return !(ts.getEmitScriptTarget(compilerOptions) === 99 /* ScriptTarget.ESNext */ && useDefineForClassFields + && ts.getContainingClass(declaration) === ts.getContainingClass(usage) + && isUsedInFunctionOrInstanceProperty(usage, declaration)); + } + return true; + } + // declaration is after usage, but it can still be legal if usage is deferred: + // 1. inside an export specifier + // 2. inside a function + // 3. inside an instance property initializer, a reference to a non-instance property + // (except when target: "esnext" and useDefineForClassFields: true and the reference is to a parameter property) + // 4. inside a static property initializer, a reference to a static method in the same class + // 5. inside a TS export= declaration (since we will move the export statement during emit to avoid TDZ) + // or if usage is in a type context: + // 1. inside a type query (typeof in type position) + // 2. inside a jsdoc comment + if (usage.parent.kind === 275 /* SyntaxKind.ExportSpecifier */ || (usage.parent.kind === 271 /* SyntaxKind.ExportAssignment */ && usage.parent.isExportEquals)) { + // export specifiers do not use the variable, they only make it available for use + return true; + } + // When resolving symbols for exports, the `usage` location passed in can be the export site directly + if (usage.kind === 271 /* SyntaxKind.ExportAssignment */ && usage.isExportEquals) { + return true; + } + if (!!(usage.flags & 8388608 /* NodeFlags.JSDoc */) || isInTypeQuery(usage) || usageInTypeDeclaration()) { + return true; + } + if (isUsedInFunctionOrInstanceProperty(usage, declaration)) { + if (ts.getEmitScriptTarget(compilerOptions) === 99 /* ScriptTarget.ESNext */ && useDefineForClassFields + && ts.getContainingClass(declaration) + && (ts.isPropertyDeclaration(declaration) || ts.isParameterPropertyDeclaration(declaration, declaration.parent))) { + return !isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, /*stopAtAnyPropertyDeclaration*/ true); + } + else { + return true; + } + } + return false; + function usageInTypeDeclaration() { + return !!ts.findAncestor(usage, function (node) { return ts.isInterfaceDeclaration(node) || ts.isTypeAliasDeclaration(node); }); + } + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + switch (declaration.parent.parent.kind) { + case 237 /* SyntaxKind.VariableStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + // variable statement/for/for-of statement case, + // use site should not be inside variable declaration (initializer of declaration or binding element) + if (isSameScopeDescendentOf(usage, declaration, declContainer)) { + return true; + } + break; + } + // ForIn/ForOf case - use site should not be used in expression part + var grandparent = declaration.parent.parent; + return ts.isForInOrOfStatement(grandparent) && isSameScopeDescendentOf(usage, grandparent.expression, declContainer); + } + function isUsedInFunctionOrInstanceProperty(usage, declaration) { + return !!ts.findAncestor(usage, function (current) { + if (current === declContainer) { + return "quit"; + } + if (ts.isFunctionLike(current)) { + return true; + } + if (ts.isClassStaticBlockDeclaration(current)) { + return declaration.pos < usage.pos; + } + var propertyDeclaration = ts.tryCast(current.parent, ts.isPropertyDeclaration); + if (propertyDeclaration) { + var initializerOfProperty = propertyDeclaration.initializer === current; + if (initializerOfProperty) { + if (ts.isStatic(current.parent)) { + if (declaration.kind === 169 /* SyntaxKind.MethodDeclaration */) { + return true; + } + if (ts.isPropertyDeclaration(declaration) && ts.getContainingClass(usage) === ts.getContainingClass(declaration)) { + var propName = declaration.name; + if (ts.isIdentifier(propName) || ts.isPrivateIdentifier(propName)) { + var type = getTypeOfSymbol(getSymbolOfNode(declaration)); + var staticBlocks = ts.filter(declaration.parent.members, ts.isClassStaticBlockDeclaration); + if (isPropertyInitializedInStaticBlocks(propName, type, staticBlocks, declaration.parent.pos, current.pos)) { + return true; + } + } + } + } + else { + var isDeclarationInstanceProperty = declaration.kind === 167 /* SyntaxKind.PropertyDeclaration */ && !ts.isStatic(declaration); + if (!isDeclarationInstanceProperty || ts.getContainingClass(usage) !== ts.getContainingClass(declaration)) { + return true; + } + } + } + } + return false; + }); + } + /** stopAtAnyPropertyDeclaration is used for detecting ES-standard class field use-before-def errors */ + function isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, stopAtAnyPropertyDeclaration) { + // always legal if usage is after declaration + if (usage.end > declaration.end) { + return false; + } + // still might be legal if usage is deferred (e.g. x: any = () => this.x) + // otherwise illegal if immediately referenced within the declaration (e.g. x: any = this.x) + var ancestorChangingReferenceScope = ts.findAncestor(usage, function (node) { + if (node === declaration) { + return "quit"; + } + switch (node.kind) { + case 214 /* SyntaxKind.ArrowFunction */: + return true; + case 167 /* SyntaxKind.PropertyDeclaration */: + // even when stopping at any property declaration, they need to come from the same class + return stopAtAnyPropertyDeclaration && + (ts.isPropertyDeclaration(declaration) && node.parent === declaration.parent + || ts.isParameterPropertyDeclaration(declaration, declaration.parent) && node.parent === declaration.parent.parent) + ? "quit" : true; + case 235 /* SyntaxKind.Block */: + switch (node.parent.kind) { + case 172 /* SyntaxKind.GetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 173 /* SyntaxKind.SetAccessor */: + return true; + default: + return false; + } + default: + return false; + } + }); + return ancestorChangingReferenceScope === undefined; + } + } + function useOuterVariableScopeInParameter(result, location, lastLocation) { + var target = ts.getEmitScriptTarget(compilerOptions); + var functionLocation = location; + if (ts.isParameter(lastLocation) + && functionLocation.body + && result.valueDeclaration + && result.valueDeclaration.pos >= functionLocation.body.pos + && result.valueDeclaration.end <= functionLocation.body.end) { + // check for several cases where we introduce temporaries that require moving the name/initializer of the parameter to the body + // - static field in a class expression + // - optional chaining pre-es2020 + // - nullish coalesce pre-es2020 + // - spread assignment in binding pattern pre-es2017 + if (target >= 2 /* ScriptTarget.ES2015 */) { + var links = getNodeLinks(functionLocation); + if (links.declarationRequiresScopeChange === undefined) { + links.declarationRequiresScopeChange = ts.forEach(functionLocation.parameters, requiresScopeChange) || false; + } + return !links.declarationRequiresScopeChange; + } + } + return false; + function requiresScopeChange(node) { + return requiresScopeChangeWorker(node.name) + || !!node.initializer && requiresScopeChangeWorker(node.initializer); + } + function requiresScopeChangeWorker(node) { + switch (node.kind) { + case 214 /* SyntaxKind.ArrowFunction */: + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 171 /* SyntaxKind.Constructor */: + // do not descend into these + return false; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 296 /* SyntaxKind.PropertyAssignment */: + return requiresScopeChangeWorker(node.name); + case 167 /* SyntaxKind.PropertyDeclaration */: + // static properties in classes introduce temporary variables + if (ts.hasStaticModifier(node)) { + return target < 99 /* ScriptTarget.ESNext */ || !useDefineForClassFields; + } + return requiresScopeChangeWorker(node.name); + default: + // null coalesce and optional chain pre-es2020 produce temporary variables + if (ts.isNullishCoalesce(node) || ts.isOptionalChain(node)) { + return target < 7 /* ScriptTarget.ES2020 */; + } + if (ts.isBindingElement(node) && node.dotDotDotToken && ts.isObjectBindingPattern(node.parent)) { + return target < 4 /* ScriptTarget.ES2017 */; + } + if (ts.isTypeNode(node)) + return false; + return ts.forEachChild(node, requiresScopeChangeWorker) || false; + } + } + } + function isConstAssertion(location) { + return (ts.isAssertionExpression(location) && ts.isConstTypeReference(location.type)) + || (ts.isJSDocTypeTag(location) && ts.isConstTypeReference(location.typeExpression)); + } + /** + * Resolve a given name for a given meaning at a given location. An error is reported if the name was not found and + * the nameNotFoundMessage argument is not undefined. Returns the resolved symbol, or undefined if no symbol with + * the given name can be found. + * + * @param isUse If true, this will count towards --noUnusedLocals / --noUnusedParameters. + */ + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg, isUse, excludeGlobals, getSpellingSuggstions) { + if (excludeGlobals === void 0) { excludeGlobals = false; } + if (getSpellingSuggstions === void 0) { getSpellingSuggstions = true; } + return resolveNameHelper(location, name, meaning, nameNotFoundMessage, nameArg, isUse, excludeGlobals, getSpellingSuggstions, getSymbol); + } + function resolveNameHelper(location, name, meaning, nameNotFoundMessage, nameArg, isUse, excludeGlobals, getSpellingSuggestions, lookup) { + var _a, _b, _c; + var originalLocation = location; // needed for did-you-mean error reporting, which gathers candidates starting from the original location + var result; + var lastLocation; + var lastSelfReferenceLocation; + var propertyWithInvalidInitializer; + var associatedDeclarationForContainingInitializerOrBindingName; + var withinDeferredContext = false; + var errorLocation = location; + var grandparent; + var isInExternalModule = false; + loop: while (location) { + if (name === "const" && isConstAssertion(location)) { + // `const` in an `as const` has no symbol, but issues no error because there is no *actual* lookup of the type + // (it refers to the constant type of the expression instead) + return undefined; + } + // Locals of a source file are not in scope (because they get merged into the global symbol table) + if (location.locals && !isGlobalSourceFile(location)) { + if (result = lookup(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + // symbol lookup restrictions for function-like declarations + // - Type parameters of a function are in scope in the entire function declaration, including the parameter + // list and return type. However, local types are only in scope in the function body. + // - parameters are only in the scope of function body + // This restriction does not apply to JSDoc comment types because they are parented + // at a higher level than type parameters would normally be + if (meaning & result.flags & 788968 /* SymbolFlags.Type */ && lastLocation.kind !== 320 /* SyntaxKind.JSDoc */) { + useResult = result.flags & 262144 /* SymbolFlags.TypeParameter */ + // type parameters are visible in parameter list, return type and type parameter list + ? lastLocation === location.type || + lastLocation.kind === 164 /* SyntaxKind.Parameter */ || + lastLocation.kind === 340 /* SyntaxKind.JSDocParameterTag */ || + lastLocation.kind === 341 /* SyntaxKind.JSDocReturnTag */ || + lastLocation.kind === 163 /* SyntaxKind.TypeParameter */ + // local types not visible outside the function body + : false; + } + if (meaning & result.flags & 3 /* SymbolFlags.Variable */) { + // expression inside parameter will lookup as normal variable scope when targeting es2015+ + if (useOuterVariableScopeInParameter(result, location, lastLocation)) { + useResult = false; + } + else if (result.flags & 1 /* SymbolFlags.FunctionScopedVariable */) { + // parameters are visible only inside function body, parameter list and return type + // technically for parameter list case here we might mix parameters and variables declared in function, + // however it is detected separately when checking initializers of parameters + // to make sure that they reference no variables declared after them. + useResult = + lastLocation.kind === 164 /* SyntaxKind.Parameter */ || + (lastLocation === location.type && + !!ts.findAncestor(result.valueDeclaration, ts.isParameter)); + } + } + } + else if (location.kind === 189 /* SyntaxKind.ConditionalType */) { + // A type parameter declared using 'infer T' in a conditional type is visible only in + // the true branch of the conditional type. + useResult = lastLocation === location.trueType; + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + withinDeferredContext = withinDeferredContext || getIsDeferredContext(location, lastLocation); + switch (location.kind) { + case 305 /* SyntaxKind.SourceFile */: + if (!ts.isExternalOrCommonJsModule(location)) + break; + isInExternalModule = true; + // falls through + case 261 /* SyntaxKind.ModuleDeclaration */: + var moduleExports = ((_a = getSymbolOfNode(location)) === null || _a === void 0 ? void 0 : _a.exports) || emptySymbols; + if (location.kind === 305 /* SyntaxKind.SourceFile */ || (ts.isModuleDeclaration(location) && location.flags & 16777216 /* NodeFlags.Ambient */ && !ts.isGlobalScopeAugmentation(location))) { + // It's an external module. First see if the module has an export default and if the local + // name of that export default matches. + if (result = moduleExports.get("default" /* InternalSymbolName.Default */)) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.escapedName === name) { + break loop; + } + result = undefined; + } + // Because of module/namespace merging, a module's exports are in scope, + // yet we never want to treat an export specifier as putting a member in scope. + // Therefore, if the name we find is purely an export specifier, it is not actually considered in scope. + // Two things to note about this: + // 1. We have to check this without calling getSymbol. The problem with calling getSymbol + // on an export specifier is that it might find the export specifier itself, and try to + // resolve it as an alias. This will cause the checker to consider the export specifier + // a circular alias reference when it might not be. + // 2. We check === SymbolFlags.Alias in order to check that the symbol is *purely* + // an alias. If we used &, we'd be throwing out symbols that have non alias aspects, + // which is not the desired behavior. + var moduleExport = moduleExports.get(name); + if (moduleExport && + moduleExport.flags === 2097152 /* SymbolFlags.Alias */ && + (ts.getDeclarationOfKind(moduleExport, 275 /* SyntaxKind.ExportSpecifier */) || ts.getDeclarationOfKind(moduleExport, 274 /* SyntaxKind.NamespaceExport */))) { + break; + } + } + // ES6 exports are also visible locally (except for 'default'), but commonjs exports are not (except typedefs) + if (name !== "default" /* InternalSymbolName.Default */ && (result = lookup(moduleExports, name, meaning & 2623475 /* SymbolFlags.ModuleMember */))) { + if (ts.isSourceFile(location) && location.commonJsModuleIndicator && !((_b = result.declarations) === null || _b === void 0 ? void 0 : _b.some(ts.isJSDocTypeAlias))) { + result = undefined; + } + else { + break loop; + } + } + break; + case 260 /* SyntaxKind.EnumDeclaration */: + if (result = lookup(((_c = getSymbolOfNode(location)) === null || _c === void 0 ? void 0 : _c.exports) || emptySymbols, name, meaning & 8 /* SymbolFlags.EnumMember */)) { + break loop; + } + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + // TypeScript 1.0 spec (April 2014): 8.4.1 + // Initializer expressions for instance member variables are evaluated in the scope + // of the class constructor body but are not permitted to reference parameters or + // local variables of the constructor. This effectively means that entities from outer scopes + // by the same name as a constructor parameter or local variable are inaccessible + // in initializer expressions for instance member variables. + if (!ts.isStatic(location)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (lookup(ctor.locals, name, meaning & 111551 /* SymbolFlags.Value */)) { + // Remember the property node, it will be used later to report appropriate error + propertyWithInvalidInitializer = location; + } + } + } + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + // The below is used to lookup type parameters within a class or interface, as they are added to the class/interface locals + // These can never be latebound, so the symbol's raw members are sufficient. `getMembersOfNode` cannot be used, as it would + // trigger resolving late-bound names, which we may already be in the process of doing while we're here! + if (result = lookup(getSymbolOfNode(location).members || emptySymbols, name, meaning & 788968 /* SymbolFlags.Type */)) { + if (!isTypeParameterSymbolDeclaredInContainer(result, location)) { + // ignore type parameters not declared in this container + result = undefined; + break; + } + if (lastLocation && ts.isStatic(lastLocation)) { + // TypeScript 1.0 spec (April 2014): 3.4.1 + // The scope of a type parameter extends over the entire declaration with which the type + // parameter list is associated, with the exception of static member declarations in classes. + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 226 /* SyntaxKind.ClassExpression */ && meaning & 32 /* SymbolFlags.Class */) { + var className = location.name; + if (className && name === className.escapedText) { + result = location.symbol; + break loop; + } + } + break; + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + // The type parameters of a class are not in scope in the base class expression. + if (lastLocation === location.expression && location.parent.token === 94 /* SyntaxKind.ExtendsKeyword */) { + var container = location.parent.parent; + if (ts.isClassLike(container) && (result = lookup(getSymbolOfNode(container).members, name, meaning & 788968 /* SymbolFlags.Type */))) { + if (nameNotFoundMessage) { + error(errorLocation, ts.Diagnostics.Base_class_expressions_cannot_reference_class_type_parameters); + } + return undefined; + } + } + break; + // It is not legal to reference a class's own type parameters from a computed property name that + // belongs to the class. For example: + // + // function foo() { return '' } + // class C { // <-- Class's own type parameter T + // [foo()]() { } // <-- Reference to T from class's own computed property + // } + // + case 162 /* SyntaxKind.ComputedPropertyName */: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + // A reference to this grandparent's type parameters would be an error + if (result = lookup(getSymbolOfNode(grandparent).members, name, meaning & 788968 /* SymbolFlags.Type */)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; + case 214 /* SyntaxKind.ArrowFunction */: + // when targeting ES6 or higher there is no 'arguments' in an arrow function + // for lower compile targets the resolved symbol is used to emit an error + if (ts.getEmitScriptTarget(compilerOptions) >= 2 /* ScriptTarget.ES2015 */) { + break; + } + // falls through + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 256 /* SyntaxKind.FunctionDeclaration */: + if (meaning & 3 /* SymbolFlags.Variable */ && name === "arguments") { + result = argumentsSymbol; + break loop; + } + break; + case 213 /* SyntaxKind.FunctionExpression */: + if (meaning & 3 /* SymbolFlags.Variable */ && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16 /* SymbolFlags.Function */) { + var functionName = location.name; + if (functionName && name === functionName.escapedText) { + result = location.symbol; + break loop; + } + } + break; + case 165 /* SyntaxKind.Decorator */: + // Decorators are resolved at the class declaration. Resolving at the parameter + // or member would result in looking up locals in the method. + // + // function y() {} + // class C { + // method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter. + // } + // + if (location.parent && location.parent.kind === 164 /* SyntaxKind.Parameter */) { + location = location.parent; + } + // + // function y() {} + // class C { + // @y method(x, y) {} // <-- decorator y should be resolved at the class declaration, not the method. + // } + // + // class Decorators are resolved outside of the class to avoid referencing type parameters of that class. + // + // type T = number; + // declare function y(x: T): any; + // @param(1 as T) // <-- T should resolve to the type alias outside of class C + // class C {} + if (location.parent && (ts.isClassElement(location.parent) || location.parent.kind === 257 /* SyntaxKind.ClassDeclaration */)) { + location = location.parent; + } + break; + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + // js type aliases do not resolve names from their host, so skip past it + var root = ts.getJSDocRoot(location); + if (root) { + location = root.parent; + } + break; + case 164 /* SyntaxKind.Parameter */: + if (lastLocation && (lastLocation === location.initializer || + lastLocation === location.name && ts.isBindingPattern(lastLocation))) { + if (!associatedDeclarationForContainingInitializerOrBindingName) { + associatedDeclarationForContainingInitializerOrBindingName = location; + } + } + break; + case 203 /* SyntaxKind.BindingElement */: + if (lastLocation && (lastLocation === location.initializer || + lastLocation === location.name && ts.isBindingPattern(lastLocation))) { + if (ts.isParameterDeclaration(location) && !associatedDeclarationForContainingInitializerOrBindingName) { + associatedDeclarationForContainingInitializerOrBindingName = location; + } + } + break; + case 190 /* SyntaxKind.InferType */: + if (meaning & 262144 /* SymbolFlags.TypeParameter */) { + var parameterName = location.typeParameter.name; + if (parameterName && name === parameterName.escapedText) { + result = location.typeParameter.symbol; + break loop; + } + } + break; + } + if (isSelfReferenceLocation(location)) { + lastSelfReferenceLocation = location; + } + lastLocation = location; + location = ts.isJSDocTemplateTag(location) ? ts.getEffectiveContainerForJSDocTemplateTag(location) || location.parent : + ts.isJSDocParameterTag(location) || ts.isJSDocReturnTag(location) ? ts.getHostSignatureFromJSDoc(location) || location.parent : + location.parent; + } + // We just climbed up parents looking for the name, meaning that we started in a descendant node of `lastLocation`. + // If `result === lastSelfReferenceLocation.symbol`, that means that we are somewhere inside `lastSelfReferenceLocation` looking up a name, and resolving to `lastLocation` itself. + // That means that this is a self-reference of `lastLocation`, and shouldn't count this when considering whether `lastLocation` is used. + if (isUse && result && (!lastSelfReferenceLocation || result !== lastSelfReferenceLocation.symbol)) { + result.isReferenced |= meaning; + } + if (!result) { + if (lastLocation) { + ts.Debug.assert(lastLocation.kind === 305 /* SyntaxKind.SourceFile */); + if (lastLocation.commonJsModuleIndicator && name === "exports" && meaning & lastLocation.symbol.flags) { + return lastLocation.symbol; + } + } + if (!excludeGlobals) { + result = lookup(globals, name, meaning); + } + } + if (!result) { + if (originalLocation && ts.isInJSFile(originalLocation) && originalLocation.parent) { + if (ts.isRequireCall(originalLocation.parent, /*checkArgumentIsStringLiteralLike*/ false)) { + return requireSymbol; + } + } + } + if (!result) { + if (nameNotFoundMessage) { + addLazyDiagnostic(function () { + if (!errorLocation || + !checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) && // TODO: GH#18217 + !checkAndReportErrorForExtendingInterface(errorLocation) && + !checkAndReportErrorForUsingTypeAsNamespace(errorLocation, name, meaning) && + !checkAndReportErrorForExportingPrimitiveType(errorLocation, name) && + !checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) && + !checkAndReportErrorForUsingNamespaceModuleAsValue(errorLocation, name, meaning) && + !checkAndReportErrorForUsingValueAsType(errorLocation, name, meaning)) { + var suggestion = void 0; + if (getSpellingSuggestions && suggestionCount < maximumSuggestionCount) { + suggestion = getSuggestedSymbolForNonexistentSymbol(originalLocation, name, meaning); + var isGlobalScopeAugmentationDeclaration = (suggestion === null || suggestion === void 0 ? void 0 : suggestion.valueDeclaration) && ts.isAmbientModule(suggestion.valueDeclaration) && ts.isGlobalScopeAugmentation(suggestion.valueDeclaration); + if (isGlobalScopeAugmentationDeclaration) { + suggestion = undefined; + } + if (suggestion) { + var suggestionName = symbolToString(suggestion); + var isUncheckedJS = isUncheckedJSSuggestion(originalLocation, suggestion, /*excludeClasses*/ false); + var message = meaning === 1920 /* SymbolFlags.Namespace */ || nameArg && typeof nameArg !== "string" && ts.nodeIsSynthesized(nameArg) ? ts.Diagnostics.Cannot_find_namespace_0_Did_you_mean_1 + : isUncheckedJS ? ts.Diagnostics.Could_not_find_name_0_Did_you_mean_1 + : ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1; + var diagnostic = createError(errorLocation, message, diagnosticName(nameArg), suggestionName); + addErrorOrSuggestion(!isUncheckedJS, diagnostic); + if (suggestion.valueDeclaration) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(suggestion.valueDeclaration, ts.Diagnostics._0_is_declared_here, suggestionName)); + } + } + } + if (!suggestion) { + if (nameArg) { + var lib = getSuggestedLibForNonExistentName(nameArg); + if (lib) { + error(errorLocation, nameNotFoundMessage, diagnosticName(nameArg), lib); + } + else { + error(errorLocation, nameNotFoundMessage, diagnosticName(nameArg)); + } + } + } + suggestionCount++; + } + }); + } + return undefined; + } + if (propertyWithInvalidInitializer && !(ts.getEmitScriptTarget(compilerOptions) === 99 /* ScriptTarget.ESNext */ && useDefineForClassFields)) { + // We have a match, but the reference occurred within a property initializer and the identifier also binds + // to a local variable in the constructor where the code will be emitted. Note that this is actually allowed + // with ESNext+useDefineForClassFields because the scope semantics are different. + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), diagnosticName(nameArg)); + return undefined; + } + // Perform extra checks only if error reporting was requested + if (nameNotFoundMessage) { + addLazyDiagnostic(function () { + // Only check for block-scoped variable if we have an error location and are looking for the + // name with variable meaning + // For example, + // declare module foo { + // interface bar {} + // } + // const foo/*1*/: foo/*2*/.bar; + // The foo at /*1*/ and /*2*/ will share same symbol with two meanings: + // block-scoped variable and namespace module. However, only when we + // try to resolve name in /*1*/ which is used in variable position, + // we want to check for block-scoped + if (errorLocation && + (meaning & 2 /* SymbolFlags.BlockScopedVariable */ || + ((meaning & 32 /* SymbolFlags.Class */ || meaning & 384 /* SymbolFlags.Enum */) && (meaning & 111551 /* SymbolFlags.Value */) === 111551 /* SymbolFlags.Value */))) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2 /* SymbolFlags.BlockScopedVariable */ || exportOrLocalSymbol.flags & 32 /* SymbolFlags.Class */ || exportOrLocalSymbol.flags & 384 /* SymbolFlags.Enum */) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } + } + // If we're in an external module, we can't reference value symbols created from UMD export declarations + if (result && isInExternalModule && (meaning & 111551 /* SymbolFlags.Value */) === 111551 /* SymbolFlags.Value */ && !(originalLocation.flags & 8388608 /* NodeFlags.JSDoc */)) { + var merged = getMergedSymbol(result); + if (ts.length(merged.declarations) && ts.every(merged.declarations, function (d) { return ts.isNamespaceExportDeclaration(d) || ts.isSourceFile(d) && !!d.symbol.globalExports; })) { + errorOrSuggestion(!compilerOptions.allowUmdGlobalAccess, errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, ts.unescapeLeadingUnderscores(name)); + } + } + // If we're in a parameter initializer or binding name, we can't reference the values of the parameter whose initializer we're within or parameters to the right + if (result && associatedDeclarationForContainingInitializerOrBindingName && !withinDeferredContext && (meaning & 111551 /* SymbolFlags.Value */) === 111551 /* SymbolFlags.Value */) { + var candidate = getMergedSymbol(getLateBoundSymbol(result)); + var root = ts.getRootDeclaration(associatedDeclarationForContainingInitializerOrBindingName); + // A parameter initializer or binding pattern initializer within a parameter cannot refer to itself + if (candidate === getSymbolOfNode(associatedDeclarationForContainingInitializerOrBindingName)) { + error(errorLocation, ts.Diagnostics.Parameter_0_cannot_reference_itself, ts.declarationNameToString(associatedDeclarationForContainingInitializerOrBindingName.name)); + } + // And it cannot refer to any declarations which come after it + else if (candidate.valueDeclaration && candidate.valueDeclaration.pos > associatedDeclarationForContainingInitializerOrBindingName.pos && root.parent.locals && lookup(root.parent.locals, candidate.escapedName, meaning) === candidate) { + error(errorLocation, ts.Diagnostics.Parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(associatedDeclarationForContainingInitializerOrBindingName.name), ts.declarationNameToString(errorLocation)); + } + } + if (result && errorLocation && meaning & 111551 /* SymbolFlags.Value */ && result.flags & 2097152 /* SymbolFlags.Alias */ && !(result.flags & 111551 /* SymbolFlags.Value */) && !ts.isValidTypeOnlyAliasUseSite(errorLocation)) { + var typeOnlyDeclaration = getTypeOnlyAliasDeclaration(result); + if (typeOnlyDeclaration) { + var message = typeOnlyDeclaration.kind === 275 /* SyntaxKind.ExportSpecifier */ + ? ts.Diagnostics._0_cannot_be_used_as_a_value_because_it_was_exported_using_export_type + : ts.Diagnostics._0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type; + var unescapedName = ts.unescapeLeadingUnderscores(name); + addTypeOnlyDeclarationRelatedInfo(error(errorLocation, message, unescapedName), typeOnlyDeclaration, unescapedName); + } + } + }); + } + return result; + } + function addTypeOnlyDeclarationRelatedInfo(diagnostic, typeOnlyDeclaration, unescapedName) { + if (!typeOnlyDeclaration) + return diagnostic; + return ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(typeOnlyDeclaration, typeOnlyDeclaration.kind === 275 /* SyntaxKind.ExportSpecifier */ ? ts.Diagnostics._0_was_exported_here : ts.Diagnostics._0_was_imported_here, unescapedName)); + } + function getIsDeferredContext(location, lastLocation) { + if (location.kind !== 214 /* SyntaxKind.ArrowFunction */ && location.kind !== 213 /* SyntaxKind.FunctionExpression */) { + // initializers in instance property declaration of class like entities are executed in constructor and thus deferred + return ts.isTypeQueryNode(location) || ((ts.isFunctionLikeDeclaration(location) || + (location.kind === 167 /* SyntaxKind.PropertyDeclaration */ && !ts.isStatic(location))) && (!lastLocation || lastLocation !== location.name)); // A name is evaluated within the enclosing scope - so it shouldn't count as deferred + } + if (lastLocation && lastLocation === location.name) { + return false; + } + // generator functions and async functions are not inlined in control flow when immediately invoked + if (location.asteriskToken || ts.hasSyntacticModifier(location, 256 /* ModifierFlags.Async */)) { + return true; + } + return !ts.getImmediatelyInvokedFunctionExpression(location); + } + function isSelfReferenceLocation(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: // For `namespace N { N; }` + return true; + default: + return false; + } + } + function diagnosticName(nameArg) { + return ts.isString(nameArg) ? ts.unescapeLeadingUnderscores(nameArg) : ts.declarationNameToString(nameArg); + } + function isTypeParameterSymbolDeclaredInContainer(symbol, container) { + if (symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (decl.kind === 163 /* SyntaxKind.TypeParameter */) { + var parent = ts.isJSDocTemplateTag(decl.parent) ? ts.getJSDocHost(decl.parent) : decl.parent; + if (parent === container) { + return !(ts.isJSDocTemplateTag(decl.parent) && ts.find(decl.parent.parent.tags, ts.isJSDocTypeAlias)); // TODO: GH#18217 + } + } + } + } + return false; + } + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if (!ts.isIdentifier(errorLocation) || errorLocation.escapedText !== name || isTypeReferenceIdentifier(errorLocation) || isInTypeQuery(errorLocation)) { + return false; + } + var container = ts.getThisContainer(errorLocation, /*includeArrowFunctions*/ false); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + // Check to see if a static member exists. + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, diagnosticName(nameArg), symbolToString(classSymbol)); + return true; + } + // No static member is present. + // Check if we're in an instance method and look for a relevant instance member. + if (location === container && !ts.isStatic(location)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; // TODO: GH#18217 + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, diagnosticName(nameArg)); + return true; + } + } + } + location = location.parent; + } + return false; + } + function checkAndReportErrorForExtendingInterface(errorLocation) { + var expression = getEntityNameForExtendingInterface(errorLocation); + if (expression && resolveEntityName(expression, 64 /* SymbolFlags.Interface */, /*ignoreErrors*/ true)) { + error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression)); + return true; + } + return false; + } + /** + * Climbs up parents to an ExpressionWithTypeArguments, and returns its expression, + * but returns undefined if that expression is not an EntityNameExpression. + */ + function getEntityNameForExtendingInterface(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined; + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + if (ts.isEntityNameExpression(node.expression)) { + return node.expression; + } + // falls through + default: + return undefined; + } + } + function checkAndReportErrorForUsingTypeAsNamespace(errorLocation, name, meaning) { + var namespaceMeaning = 1920 /* SymbolFlags.Namespace */ | (ts.isInJSFile(errorLocation) ? 111551 /* SymbolFlags.Value */ : 0); + if (meaning === namespaceMeaning) { + var symbol = resolveSymbol(resolveName(errorLocation, name, 788968 /* SymbolFlags.Type */ & ~namespaceMeaning, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)); + var parent = errorLocation.parent; + if (symbol) { + if (ts.isQualifiedName(parent)) { + ts.Debug.assert(parent.left === errorLocation, "Should only be resolving left side of qualified name as a namespace"); + var propName = parent.right.escapedText; + var propType = getPropertyOfType(getDeclaredTypeOfSymbol(symbol), propName); + if (propType) { + error(parent, ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1, ts.unescapeLeadingUnderscores(name), ts.unescapeLeadingUnderscores(propName)); + return true; + } + } + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here, ts.unescapeLeadingUnderscores(name)); + return true; + } + } + return false; + } + function checkAndReportErrorForUsingValueAsType(errorLocation, name, meaning) { + if (meaning & (788968 /* SymbolFlags.Type */ & ~1920 /* SymbolFlags.Namespace */)) { + var symbol = resolveSymbol(resolveName(errorLocation, name, ~788968 /* SymbolFlags.Type */ & 111551 /* SymbolFlags.Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)); + if (symbol && !(symbol.flags & 1920 /* SymbolFlags.Namespace */)) { + error(errorLocation, ts.Diagnostics._0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0, ts.unescapeLeadingUnderscores(name)); + return true; + } + } + return false; + } + function isPrimitiveTypeName(name) { + return name === "any" || name === "string" || name === "number" || name === "boolean" || name === "never" || name === "unknown"; + } + function checkAndReportErrorForExportingPrimitiveType(errorLocation, name) { + if (isPrimitiveTypeName(name) && errorLocation.parent.kind === 275 /* SyntaxKind.ExportSpecifier */) { + error(errorLocation, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, name); + return true; + } + return false; + } + function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) { + if (meaning & (111551 /* SymbolFlags.Value */ & ~1024 /* SymbolFlags.NamespaceModule */)) { + if (isPrimitiveTypeName(name)) { + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, ts.unescapeLeadingUnderscores(name)); + return true; + } + var symbol = resolveSymbol(resolveName(errorLocation, name, 788968 /* SymbolFlags.Type */ & ~111551 /* SymbolFlags.Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)); + if (symbol && !(symbol.flags & 1024 /* SymbolFlags.NamespaceModule */)) { + var rawName = ts.unescapeLeadingUnderscores(name); + if (isES2015OrLaterConstructorName(name)) { + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_es2015_or_later, rawName); + } + else if (maybeMappedType(errorLocation, symbol)) { + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Did_you_mean_to_use_1_in_0, rawName, rawName === "K" ? "P" : "K"); + } + else { + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, rawName); + } + return true; + } + } + return false; + } + function maybeMappedType(node, symbol) { + var container = ts.findAncestor(node.parent, function (n) { + return ts.isComputedPropertyName(n) || ts.isPropertySignature(n) ? false : ts.isTypeLiteralNode(n) || "quit"; + }); + if (container && container.members.length === 1) { + var type = getDeclaredTypeOfSymbol(symbol); + return !!(type.flags & 1048576 /* TypeFlags.Union */) && allTypesAssignableToKind(type, 384 /* TypeFlags.StringOrNumberLiteral */, /*strict*/ true); + } + return false; + } + function isES2015OrLaterConstructorName(n) { + switch (n) { + case "Promise": + case "Symbol": + case "Map": + case "WeakMap": + case "Set": + case "WeakSet": + return true; + } + return false; + } + function checkAndReportErrorForUsingNamespaceModuleAsValue(errorLocation, name, meaning) { + if (meaning & (111551 /* SymbolFlags.Value */ & ~1024 /* SymbolFlags.NamespaceModule */ & ~788968 /* SymbolFlags.Type */)) { + var symbol = resolveSymbol(resolveName(errorLocation, name, 1024 /* SymbolFlags.NamespaceModule */ & ~111551 /* SymbolFlags.Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)); + if (symbol) { + error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_value, ts.unescapeLeadingUnderscores(name)); + return true; + } + } + else if (meaning & (788968 /* SymbolFlags.Type */ & ~1024 /* SymbolFlags.NamespaceModule */ & ~111551 /* SymbolFlags.Value */)) { + var symbol = resolveSymbol(resolveName(errorLocation, name, (512 /* SymbolFlags.ValueModule */ | 1024 /* SymbolFlags.NamespaceModule */) & ~788968 /* SymbolFlags.Type */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)); + if (symbol) { + error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_type, ts.unescapeLeadingUnderscores(name)); + return true; + } + } + return false; + } + function checkResolvedBlockScopedVariable(result, errorLocation) { + var _a; + ts.Debug.assert(!!(result.flags & 2 /* SymbolFlags.BlockScopedVariable */ || result.flags & 32 /* SymbolFlags.Class */ || result.flags & 384 /* SymbolFlags.Enum */)); + if (result.flags & (16 /* SymbolFlags.Function */ | 1 /* SymbolFlags.FunctionScopedVariable */ | 67108864 /* SymbolFlags.Assignment */) && result.flags & 32 /* SymbolFlags.Class */) { + // constructor functions aren't block scoped + return; + } + // Block-scoped variables cannot be used before their definition + var declaration = (_a = result.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return ts.isBlockOrCatchScoped(d) || ts.isClassLike(d) || (d.kind === 260 /* SyntaxKind.EnumDeclaration */); }); + if (declaration === undefined) + return ts.Debug.fail("checkResolvedBlockScopedVariable could not find block-scoped declaration"); + if (!(declaration.flags & 16777216 /* NodeFlags.Ambient */) && !isBlockScopedNameDeclaredBeforeUse(declaration, errorLocation)) { + var diagnosticMessage = void 0; + var declarationName = ts.declarationNameToString(ts.getNameOfDeclaration(declaration)); + if (result.flags & 2 /* SymbolFlags.BlockScopedVariable */) { + diagnosticMessage = error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, declarationName); + } + else if (result.flags & 32 /* SymbolFlags.Class */) { + diagnosticMessage = error(errorLocation, ts.Diagnostics.Class_0_used_before_its_declaration, declarationName); + } + else if (result.flags & 256 /* SymbolFlags.RegularEnum */) { + diagnosticMessage = error(errorLocation, ts.Diagnostics.Enum_0_used_before_its_declaration, declarationName); + } + else { + ts.Debug.assert(!!(result.flags & 128 /* SymbolFlags.ConstEnum */)); + if (ts.shouldPreserveConstEnums(compilerOptions)) { + diagnosticMessage = error(errorLocation, ts.Diagnostics.Enum_0_used_before_its_declaration, declarationName); + } + } + if (diagnosticMessage) { + ts.addRelatedInfo(diagnosticMessage, ts.createDiagnosticForNode(declaration, ts.Diagnostics._0_is_declared_here, declarationName)); + } + } + } + /* Starting from 'initial' node walk up the parent chain until 'stopAt' node is reached. + * If at any point current node is equal to 'parent' node - return true. + * If current node is an IIFE, continue walking up. + * Return false if 'stopAt' node is reached or isFunctionLike(current) === true. + */ + function isSameScopeDescendentOf(initial, parent, stopAt) { + return !!parent && !!ts.findAncestor(initial, function (n) { return n === parent + || (n === stopAt || ts.isFunctionLike(n) && !ts.getImmediatelyInvokedFunctionExpression(n) ? "quit" : false); }); + } + function getAnyImportSyntax(node) { + switch (node.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return node; + case 267 /* SyntaxKind.ImportClause */: + return node.parent; + case 268 /* SyntaxKind.NamespaceImport */: + return node.parent.parent; + case 270 /* SyntaxKind.ImportSpecifier */: + return node.parent.parent.parent; + default: + return undefined; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return symbol.declarations && ts.findLast(symbol.declarations, isAliasSymbolDeclaration); + } + /** + * An alias symbol is created by one of the following declarations: + * import = ... + * import from ... + * import * as from ... + * import { x as } from ... + * export { x as } from ... + * export * as ns from ... + * export = + * export default + * module.exports = + * {} + * {name: } + * const { x } = require ... + */ + function isAliasSymbolDeclaration(node) { + return node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ + || node.kind === 264 /* SyntaxKind.NamespaceExportDeclaration */ + || node.kind === 267 /* SyntaxKind.ImportClause */ && !!node.name + || node.kind === 268 /* SyntaxKind.NamespaceImport */ + || node.kind === 274 /* SyntaxKind.NamespaceExport */ + || node.kind === 270 /* SyntaxKind.ImportSpecifier */ + || node.kind === 275 /* SyntaxKind.ExportSpecifier */ + || node.kind === 271 /* SyntaxKind.ExportAssignment */ && ts.exportAssignmentIsAlias(node) + || ts.isBinaryExpression(node) && ts.getAssignmentDeclarationKind(node) === 2 /* AssignmentDeclarationKind.ModuleExports */ && ts.exportAssignmentIsAlias(node) + || ts.isAccessExpression(node) + && ts.isBinaryExpression(node.parent) + && node.parent.left === node + && node.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ + && isAliasableOrJsExpression(node.parent.right) + || node.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ + || node.kind === 296 /* SyntaxKind.PropertyAssignment */ && isAliasableOrJsExpression(node.initializer) + || node.kind === 254 /* SyntaxKind.VariableDeclaration */ && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(node) + || node.kind === 203 /* SyntaxKind.BindingElement */ && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(node.parent.parent); + } + function isAliasableOrJsExpression(e) { + return ts.isAliasableExpression(e) || ts.isFunctionExpression(e) && isJSConstructor(e); + } + function getTargetOfImportEqualsDeclaration(node, dontResolveAlias) { + var commonJSPropertyAccess = getCommonJSPropertyAccess(node); + if (commonJSPropertyAccess) { + var name = ts.getLeftmostAccessExpression(commonJSPropertyAccess.expression).arguments[0]; + return ts.isIdentifier(commonJSPropertyAccess.name) + ? resolveSymbol(getPropertyOfType(resolveExternalModuleTypeByLiteral(name), commonJSPropertyAccess.name.escapedText)) + : undefined; + } + if (ts.isVariableDeclaration(node) || node.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */) { + var immediate = resolveExternalModuleName(node, ts.getExternalModuleRequireArgument(node) || ts.getExternalModuleImportEqualsDeclarationExpression(node)); + var resolved_4 = resolveExternalModuleSymbol(immediate); + markSymbolOfAliasDeclarationIfTypeOnly(node, immediate, resolved_4, /*overwriteEmpty*/ false); + return resolved_4; + } + var resolved = getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, dontResolveAlias); + checkAndReportErrorForResolvingImportAliasToTypeOnlySymbol(node, resolved); + return resolved; + } + function checkAndReportErrorForResolvingImportAliasToTypeOnlySymbol(node, resolved) { + if (markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false) && !node.isTypeOnly) { + var typeOnlyDeclaration = getTypeOnlyAliasDeclaration(getSymbolOfNode(node)); + var isExport = typeOnlyDeclaration.kind === 275 /* SyntaxKind.ExportSpecifier */; + var message = isExport + ? ts.Diagnostics.An_import_alias_cannot_reference_a_declaration_that_was_exported_using_export_type + : ts.Diagnostics.An_import_alias_cannot_reference_a_declaration_that_was_imported_using_import_type; + var relatedMessage = isExport + ? ts.Diagnostics._0_was_exported_here + : ts.Diagnostics._0_was_imported_here; + var name = ts.unescapeLeadingUnderscores(typeOnlyDeclaration.name.escapedText); + ts.addRelatedInfo(error(node.moduleReference, message), ts.createDiagnosticForNode(typeOnlyDeclaration, relatedMessage, name)); + } + } + function resolveExportByName(moduleSymbol, name, sourceNode, dontResolveAlias) { + var exportValue = moduleSymbol.exports.get("export=" /* InternalSymbolName.ExportEquals */); + var exportSymbol = exportValue ? getPropertyOfType(getTypeOfSymbol(exportValue), name) : moduleSymbol.exports.get(name); + var resolved = resolveSymbol(exportSymbol, dontResolveAlias); + markSymbolOfAliasDeclarationIfTypeOnly(sourceNode, exportSymbol, resolved, /*overwriteEmpty*/ false); + return resolved; + } + function isSyntacticDefault(node) { + return ((ts.isExportAssignment(node) && !node.isExportEquals) || ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */) || ts.isExportSpecifier(node)); + } + function getUsageModeForExpression(usage) { + return ts.isStringLiteralLike(usage) ? ts.getModeForUsageLocation(ts.getSourceFileOfNode(usage), usage) : undefined; + } + function isESMFormatImportImportingCommonjsFormatFile(usageMode, targetMode) { + return usageMode === ts.ModuleKind.ESNext && targetMode === ts.ModuleKind.CommonJS; + } + function isOnlyImportedAsDefault(usage) { + var usageMode = getUsageModeForExpression(usage); + return usageMode === ts.ModuleKind.ESNext && ts.endsWith(usage.text, ".json" /* Extension.Json */); + } + function canHaveSyntheticDefault(file, moduleSymbol, dontResolveAlias, usage) { + var usageMode = file && getUsageModeForExpression(usage); + if (file && usageMode !== undefined) { + var result = isESMFormatImportImportingCommonjsFormatFile(usageMode, file.impliedNodeFormat); + if (usageMode === ts.ModuleKind.ESNext || result) { + return result; + } + // fallthrough on cjs usages so we imply defaults for interop'd imports, too + } + if (!allowSyntheticDefaultImports) { + return false; + } + // Declaration files (and ambient modules) + if (!file || file.isDeclarationFile) { + // Definitely cannot have a synthetic default if they have a syntactic default member specified + var defaultExportSymbol = resolveExportByName(moduleSymbol, "default" /* InternalSymbolName.Default */, /*sourceNode*/ undefined, /*dontResolveAlias*/ true); // Dont resolve alias because we want the immediately exported symbol's declaration + if (defaultExportSymbol && ts.some(defaultExportSymbol.declarations, isSyntacticDefault)) { + return false; + } + // It _might_ still be incorrect to assume there is no __esModule marker on the import at runtime, even if there is no `default` member + // So we check a bit more, + if (resolveExportByName(moduleSymbol, ts.escapeLeadingUnderscores("__esModule"), /*sourceNode*/ undefined, dontResolveAlias)) { + // If there is an `__esModule` specified in the declaration (meaning someone explicitly added it or wrote it in their code), + // it definitely is a module and does not have a synthetic default + return false; + } + // There are _many_ declaration files not written with esmodules in mind that still get compiled into a format with __esModule set + // Meaning there may be no default at runtime - however to be on the permissive side, we allow access to a synthetic default member + // as there is no marker to indicate if the accompanying JS has `__esModule` or not, or is even native esm + return true; + } + // TypeScript files never have a synthetic default (as they are always emitted with an __esModule marker) _unless_ they contain an export= statement + if (!ts.isSourceFileJS(file)) { + return hasExportAssignmentSymbol(moduleSymbol); + } + // JS files have a synthetic default if they do not contain ES2015+ module syntax (export = is not valid in js) _and_ do not have an __esModule marker + return typeof file.externalModuleIndicator !== "object" && !resolveExportByName(moduleSymbol, ts.escapeLeadingUnderscores("__esModule"), /*sourceNode*/ undefined, dontResolveAlias); + } + function getTargetOfImportClause(node, dontResolveAlias) { + var _a; + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = void 0; + if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + exportDefaultSymbol = moduleSymbol; + } + else { + exportDefaultSymbol = resolveExportByName(moduleSymbol, "default" /* InternalSymbolName.Default */, node, dontResolveAlias); + } + var file = (_a = moduleSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isSourceFile); + var hasDefaultOnly = isOnlyImportedAsDefault(node.parent.moduleSpecifier); + var hasSyntheticDefault = canHaveSyntheticDefault(file, moduleSymbol, dontResolveAlias, node.parent.moduleSpecifier); + if (!exportDefaultSymbol && !hasSyntheticDefault && !hasDefaultOnly) { + if (hasExportAssignmentSymbol(moduleSymbol)) { + var compilerOptionName = moduleKind >= ts.ModuleKind.ES2015 ? "allowSyntheticDefaultImports" : "esModuleInterop"; + var exportEqualsSymbol = moduleSymbol.exports.get("export=" /* InternalSymbolName.ExportEquals */); + var exportAssignment = exportEqualsSymbol.valueDeclaration; + var err = error(node.name, ts.Diagnostics.Module_0_can_only_be_default_imported_using_the_1_flag, symbolToString(moduleSymbol), compilerOptionName); + if (exportAssignment) { + ts.addRelatedInfo(err, ts.createDiagnosticForNode(exportAssignment, ts.Diagnostics.This_module_is_declared_with_using_export_and_can_only_be_used_with_a_default_import_when_using_the_0_flag, compilerOptionName)); + } + } + else { + reportNonDefaultExport(moduleSymbol, node); + } + } + else if (hasSyntheticDefault || hasDefaultOnly) { + // per emit behavior, a synthetic default overrides a "real" .default member if `__esModule` is not present + var resolved = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) || resolveSymbol(moduleSymbol, dontResolveAlias); + markSymbolOfAliasDeclarationIfTypeOnly(node, moduleSymbol, resolved, /*overwriteTypeOnly*/ false); + return resolved; + } + markSymbolOfAliasDeclarationIfTypeOnly(node, exportDefaultSymbol, /*finalTarget*/ undefined, /*overwriteTypeOnly*/ false); + return exportDefaultSymbol; + } + } + function reportNonDefaultExport(moduleSymbol, node) { + var _a, _b, _c; + if ((_a = moduleSymbol.exports) === null || _a === void 0 ? void 0 : _a.has(node.symbol.escapedName)) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export_Did_you_mean_to_use_import_1_from_0_instead, symbolToString(moduleSymbol), symbolToString(node.symbol)); + } + else { + var diagnostic = error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + var exportStar = (_b = moduleSymbol.exports) === null || _b === void 0 ? void 0 : _b.get("__export" /* InternalSymbolName.ExportStar */); + if (exportStar) { + var defaultExport = (_c = exportStar.declarations) === null || _c === void 0 ? void 0 : _c.find(function (decl) { + var _a, _b; + return !!(ts.isExportDeclaration(decl) && decl.moduleSpecifier && + ((_b = (_a = resolveExternalModuleName(decl, decl.moduleSpecifier)) === null || _a === void 0 ? void 0 : _a.exports) === null || _b === void 0 ? void 0 : _b.has("default" /* InternalSymbolName.Default */))); + }); + if (defaultExport) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(defaultExport, ts.Diagnostics.export_Asterisk_does_not_re_export_a_default)); + } + } + } + } + function getTargetOfNamespaceImport(node, dontResolveAlias) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + var immediate = resolveExternalModuleName(node, moduleSpecifier); + var resolved = resolveESModuleSymbol(immediate, moduleSpecifier, dontResolveAlias, /*suppressUsageError*/ false); + markSymbolOfAliasDeclarationIfTypeOnly(node, immediate, resolved, /*overwriteEmpty*/ false); + return resolved; + } + function getTargetOfNamespaceExport(node, dontResolveAlias) { + var moduleSpecifier = node.parent.moduleSpecifier; + var immediate = moduleSpecifier && resolveExternalModuleName(node, moduleSpecifier); + var resolved = moduleSpecifier && resolveESModuleSymbol(immediate, moduleSpecifier, dontResolveAlias, /*suppressUsageError*/ false); + markSymbolOfAliasDeclarationIfTypeOnly(node, immediate, resolved, /*overwriteEmpty*/ false); + return resolved; + } + // This function creates a synthetic symbol that combines the value side of one symbol with the + // type/namespace side of another symbol. Consider this example: + // + // declare module graphics { + // interface Point { + // x: number; + // y: number; + // } + // } + // declare var graphics: { + // Point: new (x: number, y: number) => graphics.Point; + // } + // declare module "graphics" { + // export = graphics; + // } + // + // An 'import { Point } from "graphics"' needs to create a symbol that combines the value side 'Point' + // property with the type/namespace side interface 'Point'. + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol === unknownSymbol && typeSymbol === unknownSymbol) { + return unknownSymbol; + } + if (valueSymbol.flags & (788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */)) { + return valueSymbol; + } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.escapedName); + result.declarations = ts.deduplicate(ts.concatenate(valueSymbol.declarations, typeSymbol.declarations), ts.equateValues); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = new ts.Map(typeSymbol.members); + if (valueSymbol.exports) + result.exports = new ts.Map(valueSymbol.exports); + return result; + } + function getExportOfModule(symbol, name, specifier, dontResolveAlias) { + if (symbol.flags & 1536 /* SymbolFlags.Module */) { + var exportSymbol = getExportsOfSymbol(symbol).get(name.escapedText); + var resolved = resolveSymbol(exportSymbol, dontResolveAlias); + markSymbolOfAliasDeclarationIfTypeOnly(specifier, exportSymbol, resolved, /*overwriteEmpty*/ false); + return resolved; + } + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3 /* SymbolFlags.Variable */) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); + } + } + } + function getExternalModuleMember(node, specifier, dontResolveAlias) { + var _a, _b; + if (dontResolveAlias === void 0) { dontResolveAlias = false; } + var moduleSpecifier = ts.getExternalModuleRequireArgument(node) || node.moduleSpecifier; + var moduleSymbol = resolveExternalModuleName(node, moduleSpecifier); // TODO: GH#18217 + var name = !ts.isPropertyAccessExpression(specifier) && specifier.propertyName || specifier.name; + if (!ts.isIdentifier(name)) { + return undefined; + } + var suppressInteropError = name.escapedText === "default" /* InternalSymbolName.Default */ && !!(compilerOptions.allowSyntheticDefaultImports || ts.getESModuleInterop(compilerOptions)); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, moduleSpecifier, /*dontResolveAlias*/ false, suppressInteropError); + if (targetSymbol) { + if (name.escapedText) { + if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + return moduleSymbol; + } + var symbolFromVariable = void 0; + // First check if module was specified with "export=". If so, get the member from the resolved type + if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports.get("export=" /* InternalSymbolName.ExportEquals */)) { + symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name.escapedText, /*skipObjectFunctionPropertyAugment*/ true); + } + else { + symbolFromVariable = getPropertyOfVariable(targetSymbol, name.escapedText); + } + // if symbolFromVariable is export - get its final target + symbolFromVariable = resolveSymbol(symbolFromVariable, dontResolveAlias); + var symbolFromModule = getExportOfModule(targetSymbol, name, specifier, dontResolveAlias); + if (symbolFromModule === undefined && name.escapedText === "default" /* InternalSymbolName.Default */) { + var file = (_a = moduleSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isSourceFile); + if (isOnlyImportedAsDefault(moduleSpecifier) || canHaveSyntheticDefault(file, moduleSymbol, dontResolveAlias, moduleSpecifier)) { + symbolFromModule = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) || resolveSymbol(moduleSymbol, dontResolveAlias); + } + } + var symbol = symbolFromModule && symbolFromVariable && symbolFromModule !== symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + var moduleName = getFullyQualifiedName(moduleSymbol, node); + var declarationName = ts.declarationNameToString(name); + var suggestion = getSuggestedSymbolForNonexistentModule(name, targetSymbol); + if (suggestion !== undefined) { + var suggestionName = symbolToString(suggestion); + var diagnostic = error(name, ts.Diagnostics._0_has_no_exported_member_named_1_Did_you_mean_2, moduleName, declarationName, suggestionName); + if (suggestion.valueDeclaration) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(suggestion.valueDeclaration, ts.Diagnostics._0_is_declared_here, suggestionName)); + } + } + else { + if ((_b = moduleSymbol.exports) === null || _b === void 0 ? void 0 : _b.has("default" /* InternalSymbolName.Default */)) { + error(name, ts.Diagnostics.Module_0_has_no_exported_member_1_Did_you_mean_to_use_import_1_from_0_instead, moduleName, declarationName); + } + else { + reportNonExportedMember(node, name, declarationName, moduleSymbol, moduleName); + } + } + } + return symbol; + } + } + } + function reportNonExportedMember(node, name, declarationName, moduleSymbol, moduleName) { + var _a, _b; + var localSymbol = (_b = (_a = moduleSymbol.valueDeclaration) === null || _a === void 0 ? void 0 : _a.locals) === null || _b === void 0 ? void 0 : _b.get(name.escapedText); + var exports = moduleSymbol.exports; + if (localSymbol) { + var exportedEqualsSymbol = exports === null || exports === void 0 ? void 0 : exports.get("export=" /* InternalSymbolName.ExportEquals */); + if (exportedEqualsSymbol) { + getSymbolIfSameReference(exportedEqualsSymbol, localSymbol) ? reportInvalidImportEqualsExportMember(node, name, declarationName, moduleName) : + error(name, ts.Diagnostics.Module_0_has_no_exported_member_1, moduleName, declarationName); + } + else { + var exportedSymbol = exports ? ts.find(symbolsToArray(exports), function (symbol) { return !!getSymbolIfSameReference(symbol, localSymbol); }) : undefined; + var diagnostic = exportedSymbol ? error(name, ts.Diagnostics.Module_0_declares_1_locally_but_it_is_exported_as_2, moduleName, declarationName, symbolToString(exportedSymbol)) : + error(name, ts.Diagnostics.Module_0_declares_1_locally_but_it_is_not_exported, moduleName, declarationName); + if (localSymbol.declarations) { + ts.addRelatedInfo.apply(void 0, __spreadArray([diagnostic], ts.map(localSymbol.declarations, function (decl, index) { + return ts.createDiagnosticForNode(decl, index === 0 ? ts.Diagnostics._0_is_declared_here : ts.Diagnostics.and_here, declarationName); + }), false)); + } + } + } + else { + error(name, ts.Diagnostics.Module_0_has_no_exported_member_1, moduleName, declarationName); + } + } + function reportInvalidImportEqualsExportMember(node, name, declarationName, moduleName) { + if (moduleKind >= ts.ModuleKind.ES2015) { + var message = ts.getESModuleInterop(compilerOptions) ? ts.Diagnostics._0_can_only_be_imported_by_using_a_default_import : + ts.Diagnostics._0_can_only_be_imported_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import; + error(name, message, declarationName); + } + else { + if (ts.isInJSFile(node)) { + var message = ts.getESModuleInterop(compilerOptions) ? ts.Diagnostics._0_can_only_be_imported_by_using_a_require_call_or_by_using_a_default_import : + ts.Diagnostics._0_can_only_be_imported_by_using_a_require_call_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import; + error(name, message, declarationName); + } + else { + var message = ts.getESModuleInterop(compilerOptions) ? ts.Diagnostics._0_can_only_be_imported_by_using_import_1_require_2_or_a_default_import : + ts.Diagnostics._0_can_only_be_imported_by_using_import_1_require_2_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import; + error(name, message, declarationName, declarationName, moduleName); + } + } + } + function getTargetOfImportSpecifier(node, dontResolveAlias) { + var root = ts.isBindingElement(node) ? ts.getRootDeclaration(node) : node.parent.parent.parent; + var commonJSPropertyAccess = getCommonJSPropertyAccess(root); + var resolved = getExternalModuleMember(root, commonJSPropertyAccess || node, dontResolveAlias); + var name = node.propertyName || node.name; + if (commonJSPropertyAccess && resolved && ts.isIdentifier(name)) { + return resolveSymbol(getPropertyOfType(getTypeOfSymbol(resolved), name.escapedText), dontResolveAlias); + } + markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false); + return resolved; + } + function getCommonJSPropertyAccess(node) { + if (ts.isVariableDeclaration(node) && node.initializer && ts.isPropertyAccessExpression(node.initializer)) { + return node.initializer; + } + } + function getTargetOfNamespaceExportDeclaration(node, dontResolveAlias) { + var resolved = resolveExternalModuleSymbol(node.parent.symbol, dontResolveAlias); + markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false); + return resolved; + } + function getTargetOfExportSpecifier(node, meaning, dontResolveAlias) { + var resolved = node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node, dontResolveAlias) : + resolveEntityName(node.propertyName || node.name, meaning, /*ignoreErrors*/ false, dontResolveAlias); + markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false); + return resolved; + } + function getTargetOfExportAssignment(node, dontResolveAlias) { + var expression = ts.isExportAssignment(node) ? node.expression : node.right; + var resolved = getTargetOfAliasLikeExpression(expression, dontResolveAlias); + markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false); + return resolved; + } + function getTargetOfAliasLikeExpression(expression, dontResolveAlias) { + if (ts.isClassExpression(expression)) { + return checkExpressionCached(expression).symbol; + } + if (!ts.isEntityName(expression) && !ts.isEntityNameExpression(expression)) { + return undefined; + } + var aliasLike = resolveEntityName(expression, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */, /*ignoreErrors*/ true, dontResolveAlias); + if (aliasLike) { + return aliasLike; + } + checkExpressionCached(expression); + return getNodeLinks(expression).resolvedSymbol; + } + function getTargetOfPropertyAssignment(node, dontRecursivelyResolve) { + var expression = node.initializer; + return getTargetOfAliasLikeExpression(expression, dontRecursivelyResolve); + } + function getTargetOfAccessExpression(node, dontRecursivelyResolve) { + if (!(ts.isBinaryExpression(node.parent) && node.parent.left === node && node.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */)) { + return undefined; + } + return getTargetOfAliasLikeExpression(node.parent.right, dontRecursivelyResolve); + } + function getTargetOfAliasDeclaration(node, dontRecursivelyResolve) { + if (dontRecursivelyResolve === void 0) { dontRecursivelyResolve = false; } + switch (node.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 254 /* SyntaxKind.VariableDeclaration */: + return getTargetOfImportEqualsDeclaration(node, dontRecursivelyResolve); + case 267 /* SyntaxKind.ImportClause */: + return getTargetOfImportClause(node, dontRecursivelyResolve); + case 268 /* SyntaxKind.NamespaceImport */: + return getTargetOfNamespaceImport(node, dontRecursivelyResolve); + case 274 /* SyntaxKind.NamespaceExport */: + return getTargetOfNamespaceExport(node, dontRecursivelyResolve); + case 270 /* SyntaxKind.ImportSpecifier */: + case 203 /* SyntaxKind.BindingElement */: + return getTargetOfImportSpecifier(node, dontRecursivelyResolve); + case 275 /* SyntaxKind.ExportSpecifier */: + return getTargetOfExportSpecifier(node, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */, dontRecursivelyResolve); + case 271 /* SyntaxKind.ExportAssignment */: + case 221 /* SyntaxKind.BinaryExpression */: + return getTargetOfExportAssignment(node, dontRecursivelyResolve); + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + return getTargetOfNamespaceExportDeclaration(node, dontRecursivelyResolve); + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return resolveEntityName(node.name, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */, /*ignoreErrors*/ true, dontRecursivelyResolve); + case 296 /* SyntaxKind.PropertyAssignment */: + return getTargetOfPropertyAssignment(node, dontRecursivelyResolve); + case 207 /* SyntaxKind.ElementAccessExpression */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + return getTargetOfAccessExpression(node, dontRecursivelyResolve); + default: + return ts.Debug.fail(); + } + } + /** + * Indicates that a symbol is an alias that does not merge with a local declaration. + * OR Is a JSContainer which may merge an alias with a local declaration + */ + function isNonLocalAlias(symbol, excludes) { + if (excludes === void 0) { excludes = 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */; } + if (!symbol) + return false; + return (symbol.flags & (2097152 /* SymbolFlags.Alias */ | excludes)) === 2097152 /* SymbolFlags.Alias */ || !!(symbol.flags & 2097152 /* SymbolFlags.Alias */ && symbol.flags & 67108864 /* SymbolFlags.Assignment */); + } + function resolveSymbol(symbol, dontResolveAlias) { + return !dontResolveAlias && isNonLocalAlias(symbol) ? resolveAlias(symbol) : symbol; + } + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 2097152 /* SymbolFlags.Alias */) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.aliasTarget) { + links.aliasTarget = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + if (!node) + return ts.Debug.fail(); + var target = getTargetOfAliasDeclaration(node); + if (links.aliasTarget === resolvingSymbol) { + links.aliasTarget = target || unknownSymbol; + } + else { + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); + } + } + else if (links.aliasTarget === resolvingSymbol) { + links.aliasTarget = unknownSymbol; + } + return links.aliasTarget; + } + function tryResolveAlias(symbol) { + var links = getSymbolLinks(symbol); + if (links.aliasTarget !== resolvingSymbol) { + return resolveAlias(symbol); + } + return undefined; + } + /** + * Marks a symbol as type-only if its declaration is syntactically type-only. + * If it is not itself marked type-only, but resolves to a type-only alias + * somewhere in its resolution chain, save a reference to the type-only alias declaration + * so the alias _not_ marked type-only can be identified as _transitively_ type-only. + * + * This function is called on each alias declaration that could be type-only or resolve to + * another type-only alias during `resolveAlias`, so that later, when an alias is used in a + * JS-emitting expression, we can quickly determine if that symbol is effectively type-only + * and issue an error if so. + * + * @param aliasDeclaration The alias declaration not marked as type-only + * @param immediateTarget The symbol to which the alias declaration immediately resolves + * @param finalTarget The symbol to which the alias declaration ultimately resolves + * @param overwriteEmpty Checks `resolvesToSymbol` for type-only declarations even if `aliasDeclaration` + * has already been marked as not resolving to a type-only alias. Used when recursively resolving qualified + * names of import aliases, e.g. `import C = a.b.C`. If namespace `a` is not found to be type-only, the + * import declaration will initially be marked as not resolving to a type-only symbol. But, namespace `b` + * must still be checked for a type-only marker, overwriting the previous negative result if found. + */ + function markSymbolOfAliasDeclarationIfTypeOnly(aliasDeclaration, immediateTarget, finalTarget, overwriteEmpty) { + if (!aliasDeclaration || ts.isPropertyAccessExpression(aliasDeclaration)) + return false; + // If the declaration itself is type-only, mark it and return. + // No need to check what it resolves to. + var sourceSymbol = getSymbolOfNode(aliasDeclaration); + if (ts.isTypeOnlyImportOrExportDeclaration(aliasDeclaration)) { + var links_1 = getSymbolLinks(sourceSymbol); + links_1.typeOnlyDeclaration = aliasDeclaration; + return true; + } + var links = getSymbolLinks(sourceSymbol); + return markSymbolOfAliasDeclarationIfTypeOnlyWorker(links, immediateTarget, overwriteEmpty) + || markSymbolOfAliasDeclarationIfTypeOnlyWorker(links, finalTarget, overwriteEmpty); + } + function markSymbolOfAliasDeclarationIfTypeOnlyWorker(aliasDeclarationLinks, target, overwriteEmpty) { + var _a, _b, _c; + if (target && (aliasDeclarationLinks.typeOnlyDeclaration === undefined || overwriteEmpty && aliasDeclarationLinks.typeOnlyDeclaration === false)) { + var exportSymbol = (_b = (_a = target.exports) === null || _a === void 0 ? void 0 : _a.get("export=" /* InternalSymbolName.ExportEquals */)) !== null && _b !== void 0 ? _b : target; + var typeOnly = exportSymbol.declarations && ts.find(exportSymbol.declarations, ts.isTypeOnlyImportOrExportDeclaration); + aliasDeclarationLinks.typeOnlyDeclaration = (_c = typeOnly !== null && typeOnly !== void 0 ? typeOnly : getSymbolLinks(exportSymbol).typeOnlyDeclaration) !== null && _c !== void 0 ? _c : false; + } + return !!aliasDeclarationLinks.typeOnlyDeclaration; + } + /** Indicates that a symbol directly or indirectly resolves to a type-only import or export. */ + function getTypeOnlyAliasDeclaration(symbol) { + if (!(symbol.flags & 2097152 /* SymbolFlags.Alias */)) { + return undefined; + } + var links = getSymbolLinks(symbol); + return links.typeOnlyDeclaration || undefined; + } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = target === unknownSymbol || + ((target.flags & 111551 /* SymbolFlags.Value */) && !isConstEnumOrConstEnumOnlyModule(target) && !getTypeOnlyAliasDeclaration(symbol)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); + } + } + } + // When an alias symbol is referenced, we need to mark the entity it references as referenced and in turn repeat that until + // we reach a non-alias or an exported entity (which is always considered referenced). We do this by checking the target of + // the alias as an expression (which recursively takes us back here if the target references another alias). + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + if (!node) + return ts.Debug.fail(); + // We defer checking of the reference of an `import =` until the import itself is referenced, + // This way a chain of imports can be elided if ultimately the final input is only used in a type + // position. + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveSymbol(symbol); + if (target === unknownSymbol || target.flags & 111551 /* SymbolFlags.Value */) { + // import foo = + checkExpressionCached(node.moduleReference); + } + } + } + } + // Aliases that resolve to const enums are not marked as referenced because they are not emitted, + // but their usage in value positions must be tracked to determine if the import can be type-only. + function markConstEnumAliasAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.constEnumReferenced) { + links.constEnumReferenced = true; + } + } + // This function is only for imports with entity names + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, dontResolveAlias) { + // There are three things we might try to look for. In the following examples, + // the search term is enclosed in |...|: + // + // import a = |b|; // Namespace + // import a = |b.c|; // Value, type, namespace + // import a = |b.c|.d; // Namespace + if (entityName.kind === 79 /* SyntaxKind.Identifier */ && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + // Check for case 1 and 3 in the above example + if (entityName.kind === 79 /* SyntaxKind.Identifier */ || entityName.parent.kind === 161 /* SyntaxKind.QualifiedName */) { + return resolveEntityName(entityName, 1920 /* SymbolFlags.Namespace */, /*ignoreErrors*/ false, dontResolveAlias); + } + else { + // Case 2 in above example + // entityName.kind could be a QualifiedName or a Missing identifier + ts.Debug.assert(entityName.parent.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */); + return resolveEntityName(entityName, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */, /*ignoreErrors*/ false, dontResolveAlias); + } + } + function getFullyQualifiedName(symbol, containingLocation) { + return symbol.parent ? getFullyQualifiedName(symbol.parent, containingLocation) + "." + symbolToString(symbol) : symbolToString(symbol, containingLocation, /*meaning*/ undefined, 16 /* SymbolFormatFlags.DoNotIncludeSymbolChain */ | 4 /* SymbolFormatFlags.AllowAnyNodeKind */); + } + function getContainingQualifiedNameNode(node) { + while (ts.isQualifiedName(node.parent)) { + node = node.parent; + } + return node; + } + function tryGetQualifiedNameAsValue(node) { + var left = ts.getFirstIdentifier(node); + var symbol = resolveName(left, left.escapedText, 111551 /* SymbolFlags.Value */, undefined, left, /*isUse*/ true); + if (!symbol) { + return undefined; + } + while (ts.isQualifiedName(left.parent)) { + var type = getTypeOfSymbol(symbol); + symbol = getPropertyOfType(type, left.parent.right.escapedText); + if (!symbol) { + return undefined; + } + left = left.parent; + } + return symbol; + } + /** + * Resolves a qualified name and any involved aliases. + */ + function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias, location) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var namespaceMeaning = 1920 /* SymbolFlags.Namespace */ | (ts.isInJSFile(name) ? meaning & 111551 /* SymbolFlags.Value */ : 0); + var symbol; + if (name.kind === 79 /* SyntaxKind.Identifier */) { + var message = meaning === namespaceMeaning || ts.nodeIsSynthesized(name) ? ts.Diagnostics.Cannot_find_namespace_0 : getCannotFindNameDiagnosticForName(ts.getFirstIdentifier(name)); + var symbolFromJSPrototype = ts.isInJSFile(name) && !ts.nodeIsSynthesized(name) ? resolveEntityNameFromAssignmentDeclaration(name, meaning) : undefined; + symbol = getMergedSymbol(resolveName(location || name, name.escapedText, meaning, ignoreErrors || symbolFromJSPrototype ? undefined : message, name, /*isUse*/ true, false)); + if (!symbol) { + return getMergedSymbol(symbolFromJSPrototype); + } + } + else if (name.kind === 161 /* SyntaxKind.QualifiedName */ || name.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + var left = name.kind === 161 /* SyntaxKind.QualifiedName */ ? name.left : name.expression; + var right = name.kind === 161 /* SyntaxKind.QualifiedName */ ? name.right : name.name; + var namespace = resolveEntityName(left, namespaceMeaning, ignoreErrors, /*dontResolveAlias*/ false, location); + if (!namespace || ts.nodeIsMissing(right)) { + return undefined; + } + else if (namespace === unknownSymbol) { + return namespace; + } + if (namespace.valueDeclaration && + ts.isInJSFile(namespace.valueDeclaration) && + ts.isVariableDeclaration(namespace.valueDeclaration) && + namespace.valueDeclaration.initializer && + isCommonJsRequire(namespace.valueDeclaration.initializer)) { + var moduleName = namespace.valueDeclaration.initializer.arguments[0]; + var moduleSym = resolveExternalModuleName(moduleName, moduleName); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + namespace = resolvedModuleSymbol; + } + } + } + symbol = getMergedSymbol(getSymbol(getExportsOfSymbol(namespace), right.escapedText, meaning)); + if (!symbol) { + if (!ignoreErrors) { + var namespaceName = getFullyQualifiedName(namespace); + var declarationName = ts.declarationNameToString(right); + var suggestionForNonexistentModule = getSuggestedSymbolForNonexistentModule(right, namespace); + if (suggestionForNonexistentModule) { + error(right, ts.Diagnostics._0_has_no_exported_member_named_1_Did_you_mean_2, namespaceName, declarationName, symbolToString(suggestionForNonexistentModule)); + return undefined; + } + var containingQualifiedName = ts.isQualifiedName(name) && getContainingQualifiedNameNode(name); + var canSuggestTypeof = globalObjectType // <-- can't pull on types if global types aren't initialized yet + && (meaning & 788968 /* SymbolFlags.Type */) + && containingQualifiedName + && !ts.isTypeOfExpression(containingQualifiedName.parent) + && tryGetQualifiedNameAsValue(containingQualifiedName); + if (canSuggestTypeof) { + error(containingQualifiedName, ts.Diagnostics._0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0, ts.entityNameToString(containingQualifiedName)); + return undefined; + } + if (meaning & 1920 /* SymbolFlags.Namespace */ && ts.isQualifiedName(name.parent)) { + var exportedTypeSymbol = getMergedSymbol(getSymbol(getExportsOfSymbol(namespace), right.escapedText, 788968 /* SymbolFlags.Type */)); + if (exportedTypeSymbol) { + error(name.parent.right, ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1, symbolToString(exportedTypeSymbol), ts.unescapeLeadingUnderscores(name.parent.right.escapedText)); + return undefined; + } + } + error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, namespaceName, declarationName); + } + return undefined; + } + } + else { + throw ts.Debug.assertNever(name, "Unknown entity name kind."); + } + ts.Debug.assert((ts.getCheckFlags(symbol) & 1 /* CheckFlags.Instantiated */) === 0, "Should never get an instantiated symbol here."); + if (!ts.nodeIsSynthesized(name) && ts.isEntityName(name) && (symbol.flags & 2097152 /* SymbolFlags.Alias */ || name.parent.kind === 271 /* SyntaxKind.ExportAssignment */)) { + markSymbolOfAliasDeclarationIfTypeOnly(ts.getAliasDeclarationFromName(name), symbol, /*finalTarget*/ undefined, /*overwriteEmpty*/ true); + } + return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol); + } + /** + * 1. For prototype-property methods like `A.prototype.m = function () ...`, try to resolve names in the scope of `A` too. + * Note that prototype-property assignment to locations outside the current file (eg globals) doesn't work, so + * name resolution won't work either. + * 2. For property assignments like `{ x: function f () { } }`, try to resolve names in the scope of `f` too. + */ + function resolveEntityNameFromAssignmentDeclaration(name, meaning) { + if (isJSDocTypeReference(name.parent)) { + var secondaryLocation = getAssignmentDeclarationLocation(name.parent); + if (secondaryLocation) { + return resolveName(secondaryLocation, name.escapedText, meaning, /*nameNotFoundMessage*/ undefined, name, /*isUse*/ true); + } + } + } + function getAssignmentDeclarationLocation(node) { + var typeAlias = ts.findAncestor(node, function (node) { return !(ts.isJSDocNode(node) || node.flags & 8388608 /* NodeFlags.JSDoc */) ? "quit" : ts.isJSDocTypeAlias(node); }); + if (typeAlias) { + return; + } + var host = ts.getJSDocHost(node); + if (host && ts.isExpressionStatement(host) && ts.isPrototypePropertyAssignment(host.expression)) { + // /** @param {K} p */ X.prototype.m = function () { } <-- look for K on X's declaration + var symbol = getSymbolOfNode(host.expression.left); + if (symbol) { + return getDeclarationOfJSPrototypeContainer(symbol); + } + } + if (host && ts.isFunctionExpression(host) && ts.isPrototypePropertyAssignment(host.parent) && ts.isExpressionStatement(host.parent.parent)) { + // X.prototype.m = /** @param {K} p */ function () { } <-- look for K on X's declaration + var symbol = getSymbolOfNode(host.parent.left); + if (symbol) { + return getDeclarationOfJSPrototypeContainer(symbol); + } + } + if (host && (ts.isObjectLiteralMethod(host) || ts.isPropertyAssignment(host)) && + ts.isBinaryExpression(host.parent.parent) && + ts.getAssignmentDeclarationKind(host.parent.parent) === 6 /* AssignmentDeclarationKind.Prototype */) { + // X.prototype = { /** @param {K} p */m() { } } <-- look for K on X's declaration + var symbol = getSymbolOfNode(host.parent.parent.left); + if (symbol) { + return getDeclarationOfJSPrototypeContainer(symbol); + } + } + var sig = ts.getEffectiveJSDocHost(node); + if (sig && ts.isFunctionLike(sig)) { + var symbol = getSymbolOfNode(sig); + return symbol && symbol.valueDeclaration; + } + } + function getDeclarationOfJSPrototypeContainer(symbol) { + var decl = symbol.parent.valueDeclaration; + if (!decl) { + return undefined; + } + var initializer = ts.isAssignmentDeclaration(decl) ? ts.getAssignedExpandoInitializer(decl) : + ts.hasOnlyExpressionInitializer(decl) ? ts.getDeclaredExpandoInitializer(decl) : + undefined; + return initializer || decl; + } + /** + * Get the real symbol of a declaration with an expando initializer. + * + * Normally, declarations have an associated symbol, but when a declaration has an expando + * initializer, the expando's symbol is the one that has all the members merged into it. + */ + function getExpandoSymbol(symbol) { + var decl = symbol.valueDeclaration; + if (!decl || !ts.isInJSFile(decl) || symbol.flags & 524288 /* SymbolFlags.TypeAlias */ || ts.getExpandoInitializer(decl, /*isPrototypeAssignment*/ false)) { + return undefined; + } + var init = ts.isVariableDeclaration(decl) ? ts.getDeclaredExpandoInitializer(decl) : ts.getAssignedExpandoInitializer(decl); + if (init) { + var initSymbol = getSymbolOfNode(init); + if (initSymbol) { + return mergeJSSymbols(initSymbol, symbol); + } + } + } + function resolveExternalModuleName(location, moduleReferenceExpression, ignoreErrors) { + var isClassic = ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Classic; + var errorMessage = isClassic ? + ts.Diagnostics.Cannot_find_module_0_Did_you_mean_to_set_the_moduleResolution_option_to_node_or_to_add_aliases_to_the_paths_option + : ts.Diagnostics.Cannot_find_module_0_or_its_corresponding_type_declarations; + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ignoreErrors ? undefined : errorMessage); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError, isForAugmentation) { + if (isForAugmentation === void 0) { isForAugmentation = false; } + return ts.isStringLiteralLike(moduleReferenceExpression) + ? resolveExternalModule(location, moduleReferenceExpression.text, moduleNotFoundError, moduleReferenceExpression, isForAugmentation) + : undefined; + } + function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode, isForAugmentation) { + var _a, _b, _c, _d, _e, _f, _g, _h; + if (isForAugmentation === void 0) { isForAugmentation = false; } + if (ts.startsWith(moduleReference, "@types/")) { + var diag = ts.Diagnostics.Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1; + var withoutAtTypePrefix = ts.removePrefix(moduleReference, "@types/"); + error(errorNode, diag, withoutAtTypePrefix, moduleReference); + } + var ambientModule = tryFindAmbientModule(moduleReference, /*withAugmentations*/ true); + if (ambientModule) { + return ambientModule; + } + var currentSourceFile = ts.getSourceFileOfNode(location); + var contextSpecifier = ts.isStringLiteralLike(location) + ? location + : ((_a = ts.findAncestor(location, ts.isImportCall)) === null || _a === void 0 ? void 0 : _a.arguments[0]) || + ((_b = ts.findAncestor(location, ts.isImportDeclaration)) === null || _b === void 0 ? void 0 : _b.moduleSpecifier) || + ((_c = ts.findAncestor(location, ts.isExternalModuleImportEqualsDeclaration)) === null || _c === void 0 ? void 0 : _c.moduleReference.expression) || + ((_d = ts.findAncestor(location, ts.isExportDeclaration)) === null || _d === void 0 ? void 0 : _d.moduleSpecifier) || + ((_e = (ts.isModuleDeclaration(location) ? location : location.parent && ts.isModuleDeclaration(location.parent) && location.parent.name === location ? location.parent : undefined)) === null || _e === void 0 ? void 0 : _e.name) || + ((_f = (ts.isLiteralImportTypeNode(location) ? location : undefined)) === null || _f === void 0 ? void 0 : _f.argument.literal); + var mode = contextSpecifier && ts.isStringLiteralLike(contextSpecifier) ? ts.getModeForUsageLocation(currentSourceFile, contextSpecifier) : currentSourceFile.impliedNodeFormat; + var resolvedModule = ts.getResolvedModule(currentSourceFile, moduleReference, mode); + var resolutionDiagnostic = resolvedModule && ts.getResolutionDiagnostic(compilerOptions, resolvedModule); + var sourceFile = resolvedModule + && (!resolutionDiagnostic || resolutionDiagnostic === ts.Diagnostics.Module_0_was_resolved_to_1_but_jsx_is_not_set) + && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + // If there's a resolutionDiagnostic we need to report it even if a sourceFile is found. + if (resolutionDiagnostic) { + error(errorNode, resolutionDiagnostic, moduleReference, resolvedModule.resolvedFileName); + } + if (sourceFile.symbol) { + if (resolvedModule.isExternalLibraryImport && !ts.resolutionExtensionIsTSOrJson(resolvedModule.extension)) { + errorOnImplicitAnyModule(/*isError*/ false, errorNode, resolvedModule, moduleReference); + } + if (ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Node16 || ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeNext) { + var isSyncImport = (currentSourceFile.impliedNodeFormat === ts.ModuleKind.CommonJS && !ts.findAncestor(location, ts.isImportCall)) || !!ts.findAncestor(location, ts.isImportEqualsDeclaration); + var overrideClauseHost = ts.findAncestor(location, function (l) { return ts.isImportTypeNode(l) || ts.isExportDeclaration(l) || ts.isImportDeclaration(l); }); + var overrideClause = overrideClauseHost && ts.isImportTypeNode(overrideClauseHost) ? (_g = overrideClauseHost.assertions) === null || _g === void 0 ? void 0 : _g.assertClause : overrideClauseHost === null || overrideClauseHost === void 0 ? void 0 : overrideClauseHost.assertClause; + // An override clause will take effect for type-only imports and import types, and allows importing the types across formats, regardless of + // normal mode restrictions + if (isSyncImport && sourceFile.impliedNodeFormat === ts.ModuleKind.ESNext && !ts.getResolutionModeOverrideForClause(overrideClause)) { + error(errorNode, ts.Diagnostics.Module_0_cannot_be_imported_using_this_construct_The_specifier_only_resolves_to_an_ES_module_which_cannot_be_imported_synchronously_Use_dynamic_import_instead, moduleReference); + } + } + // merged symbol is module declaration symbol combined with all augmentations + return getMergedSymbol(sourceFile.symbol); + } + if (moduleNotFoundError) { + // report errors only if it was requested + error(errorNode, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); + } + return undefined; + } + if (patternAmbientModules) { + var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleReference); + if (pattern) { + // If the module reference matched a pattern ambient module ('*.foo') but there's also a + // module augmentation by the specific name requested ('a.foo'), we store the merged symbol + // by the augmentation name ('a.foo'), because asking for *.foo should not give you exports + // from a.foo. + var augmentation = patternAmbientModuleAugmentations && patternAmbientModuleAugmentations.get(moduleReference); + if (augmentation) { + return getMergedSymbol(augmentation); + } + return getMergedSymbol(pattern.symbol); + } + } + // May be an untyped module. If so, ignore resolutionDiagnostic. + if (resolvedModule && !ts.resolutionExtensionIsTSOrJson(resolvedModule.extension) && resolutionDiagnostic === undefined || resolutionDiagnostic === ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type) { + if (isForAugmentation) { + var diag = ts.Diagnostics.Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augmented; + error(errorNode, diag, moduleReference, resolvedModule.resolvedFileName); + } + else { + errorOnImplicitAnyModule(/*isError*/ noImplicitAny && !!moduleNotFoundError, errorNode, resolvedModule, moduleReference); + } + // Failed imports and untyped modules are both treated in an untyped manner; only difference is whether we give a diagnostic first. + return undefined; + } + if (moduleNotFoundError) { + // See if this was possibly a projectReference redirect + if (resolvedModule) { + var redirect = host.getProjectReferenceRedirect(resolvedModule.resolvedFileName); + if (redirect) { + error(errorNode, ts.Diagnostics.Output_file_0_has_not_been_built_from_source_file_1, redirect, resolvedModule.resolvedFileName); + return undefined; + } + } + if (resolutionDiagnostic) { + error(errorNode, resolutionDiagnostic, moduleReference, resolvedModule.resolvedFileName); + } + else { + var tsExtension = ts.tryExtractTSExtension(moduleReference); + var isExtensionlessRelativePathImport = ts.pathIsRelative(moduleReference) && !ts.hasExtension(moduleReference); + var moduleResolutionKind = ts.getEmitModuleResolutionKind(compilerOptions); + var resolutionIsNode16OrNext = moduleResolutionKind === ts.ModuleResolutionKind.Node16 || + moduleResolutionKind === ts.ModuleResolutionKind.NodeNext; + if (tsExtension) { + var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead; + var importSourceWithoutExtension = ts.removeExtension(moduleReference, tsExtension); + var replacedImportSource = importSourceWithoutExtension; + /** + * Direct users to import source with .js extension if outputting an ES module. + * @see https://github.com/microsoft/TypeScript/issues/42151 + */ + if (moduleKind >= ts.ModuleKind.ES2015) { + replacedImportSource += tsExtension === ".mts" /* Extension.Mts */ ? ".mjs" : tsExtension === ".cts" /* Extension.Cts */ ? ".cjs" : ".js"; + } + error(errorNode, diag, tsExtension, replacedImportSource); + } + else if (!compilerOptions.resolveJsonModule && + ts.fileExtensionIs(moduleReference, ".json" /* Extension.Json */) && + ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.Classic && + ts.hasJsonModuleEmitEnabled(compilerOptions)) { + error(errorNode, ts.Diagnostics.Cannot_find_module_0_Consider_using_resolveJsonModule_to_import_module_with_json_extension, moduleReference); + } + else if (mode === ts.ModuleKind.ESNext && resolutionIsNode16OrNext && isExtensionlessRelativePathImport) { + var absoluteRef_1 = ts.getNormalizedAbsolutePath(moduleReference, ts.getDirectoryPath(currentSourceFile.path)); + var suggestedExt = (_h = suggestedExtensions.find(function (_a) { + var actualExt = _a[0], _importExt = _a[1]; + return host.fileExists(absoluteRef_1 + actualExt); + })) === null || _h === void 0 ? void 0 : _h[1]; + if (suggestedExt) { + error(errorNode, ts.Diagnostics.Relative_import_paths_need_explicit_file_extensions_in_EcmaScript_imports_when_moduleResolution_is_node16_or_nodenext_Did_you_mean_0, moduleReference + suggestedExt); + } + else { + error(errorNode, ts.Diagnostics.Relative_import_paths_need_explicit_file_extensions_in_EcmaScript_imports_when_moduleResolution_is_node16_or_nodenext_Consider_adding_an_extension_to_the_import_path); + } + } + else { + error(errorNode, moduleNotFoundError, moduleReference); + } + } + } + return undefined; + } + function errorOnImplicitAnyModule(isError, errorNode, _a, moduleReference) { + var packageId = _a.packageId, resolvedFileName = _a.resolvedFileName; + var errorInfo = !ts.isExternalModuleNameRelative(moduleReference) && packageId + ? typesPackageExists(packageId.name) + ? ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.If_the_0_package_actually_exposes_this_module_consider_sending_a_pull_request_to_amend_https_Colon_Slash_Slashgithub_com_SlashDefinitelyTyped_SlashDefinitelyTyped_Slashtree_Slashmaster_Slashtypes_Slash_1, packageId.name, ts.mangleScopedPackageName(packageId.name)) + : packageBundlesTypes(packageId.name) + ? ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.If_the_0_package_actually_exposes_this_module_try_adding_a_new_declaration_d_ts_file_containing_declare_module_1, packageId.name, moduleReference) + : ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.Try_npm_i_save_dev_types_Slash_1_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_module_0, moduleReference, ts.mangleScopedPackageName(packageId.name)) + : undefined; + errorOrSuggestion(isError, errorNode, ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type, moduleReference, resolvedFileName)); + } + function typesPackageExists(packageName) { + return getPackagesMap().has(ts.getTypesPackageName(packageName)); + } + function packageBundlesTypes(packageName) { + return !!getPackagesMap().get(packageName); + } + function resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) { + if (moduleSymbol === null || moduleSymbol === void 0 ? void 0 : moduleSymbol.exports) { + var exportEquals = resolveSymbol(moduleSymbol.exports.get("export=" /* InternalSymbolName.ExportEquals */), dontResolveAlias); + var exported = getCommonJsExportEquals(getMergedSymbol(exportEquals), getMergedSymbol(moduleSymbol)); + return getMergedSymbol(exported) || moduleSymbol; + } + return undefined; + } + function getCommonJsExportEquals(exported, moduleSymbol) { + if (!exported || exported === unknownSymbol || exported === moduleSymbol || moduleSymbol.exports.size === 1 || exported.flags & 2097152 /* SymbolFlags.Alias */) { + return exported; + } + var links = getSymbolLinks(exported); + if (links.cjsExportMerged) { + return links.cjsExportMerged; + } + var merged = exported.flags & 33554432 /* SymbolFlags.Transient */ ? exported : cloneSymbol(exported); + merged.flags = merged.flags | 512 /* SymbolFlags.ValueModule */; + if (merged.exports === undefined) { + merged.exports = ts.createSymbolTable(); + } + moduleSymbol.exports.forEach(function (s, name) { + if (name === "export=" /* InternalSymbolName.ExportEquals */) + return; + merged.exports.set(name, merged.exports.has(name) ? mergeSymbol(merged.exports.get(name), s) : s); + }); + getSymbolLinks(merged).cjsExportMerged = merged; + return links.cjsExportMerged = merged; + } + // An external module with an 'export =' declaration may be referenced as an ES6 module provided the 'export =' + // references a symbol that is at least declared as a module or a variable. The target of the 'export =' may + // combine other declarations with the module or variable (e.g. a class/module, function/module, interface/variable). + function resolveESModuleSymbol(moduleSymbol, referencingLocation, dontResolveAlias, suppressInteropError) { + var _a; + var symbol = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias); + if (!dontResolveAlias && symbol) { + if (!suppressInteropError && !(symbol.flags & (1536 /* SymbolFlags.Module */ | 3 /* SymbolFlags.Variable */)) && !ts.getDeclarationOfKind(symbol, 305 /* SyntaxKind.SourceFile */)) { + var compilerOptionName = moduleKind >= ts.ModuleKind.ES2015 + ? "allowSyntheticDefaultImports" + : "esModuleInterop"; + error(referencingLocation, ts.Diagnostics.This_module_can_only_be_referenced_with_ECMAScript_imports_Slashexports_by_turning_on_the_0_flag_and_referencing_its_default_export, compilerOptionName); + return symbol; + } + var referenceParent = referencingLocation.parent; + if ((ts.isImportDeclaration(referenceParent) && ts.getNamespaceDeclarationNode(referenceParent)) || + ts.isImportCall(referenceParent)) { + var reference = ts.isImportCall(referenceParent) ? referenceParent.arguments[0] : referenceParent.moduleSpecifier; + var type = getTypeOfSymbol(symbol); + var defaultOnlyType = getTypeWithSyntheticDefaultOnly(type, symbol, moduleSymbol, reference); + if (defaultOnlyType) { + return cloneTypeAsModuleType(symbol, defaultOnlyType, referenceParent); + } + var targetFile = (_a = moduleSymbol === null || moduleSymbol === void 0 ? void 0 : moduleSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isSourceFile); + var isEsmCjsRef = targetFile && isESMFormatImportImportingCommonjsFormatFile(getUsageModeForExpression(reference), targetFile.impliedNodeFormat); + if (ts.getESModuleInterop(compilerOptions) || isEsmCjsRef) { + var sigs = getSignaturesOfStructuredType(type, 0 /* SignatureKind.Call */); + if (!sigs || !sigs.length) { + sigs = getSignaturesOfStructuredType(type, 1 /* SignatureKind.Construct */); + } + if ((sigs && sigs.length) || + getPropertyOfType(type, "default" /* InternalSymbolName.Default */, /*skipObjectFunctionPropertyAugment*/ true) || + isEsmCjsRef) { + var moduleType = getTypeWithSyntheticDefaultImportType(type, symbol, moduleSymbol, reference); + return cloneTypeAsModuleType(symbol, moduleType, referenceParent); + } + } + } + } + return symbol; + } + /** + * Create a new symbol which has the module's type less the call and construct signatures + */ + function cloneTypeAsModuleType(symbol, moduleType, referenceParent) { + var result = createSymbol(symbol.flags, symbol.escapedName); + result.declarations = symbol.declarations ? symbol.declarations.slice() : []; + result.parent = symbol.parent; + result.target = symbol; + result.originatingImport = referenceParent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = new ts.Map(symbol.members); + if (symbol.exports) + result.exports = new ts.Map(symbol.exports); + var resolvedModuleType = resolveStructuredTypeMembers(moduleType); // Should already be resolved from the signature checks above + result.type = createAnonymousType(result, resolvedModuleType.members, ts.emptyArray, ts.emptyArray, resolvedModuleType.indexInfos); + return result; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports.get("export=" /* InternalSymbolName.ExportEquals */) !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsAndPropertiesOfModule(moduleSymbol) { + var exports = getExportsOfModuleAsArray(moduleSymbol); + var exportEquals = resolveExternalModuleSymbol(moduleSymbol); + if (exportEquals !== moduleSymbol) { + var type = getTypeOfSymbol(exportEquals); + if (shouldTreatPropertiesOfExternalModuleAsExports(type)) { + ts.addRange(exports, getPropertiesOfType(type)); + } + } + return exports; + } + function forEachExportAndPropertyOfModule(moduleSymbol, cb) { + var exports = getExportsOfModule(moduleSymbol); + exports.forEach(function (symbol, key) { + if (!isReservedMemberName(key)) { + cb(symbol, key); + } + }); + var exportEquals = resolveExternalModuleSymbol(moduleSymbol); + if (exportEquals !== moduleSymbol) { + var type = getTypeOfSymbol(exportEquals); + if (shouldTreatPropertiesOfExternalModuleAsExports(type)) { + forEachPropertyOfType(type, function (symbol, escapedName) { + cb(symbol, escapedName); + }); + } + } + } + function tryGetMemberInModuleExports(memberName, moduleSymbol) { + var symbolTable = getExportsOfModule(moduleSymbol); + if (symbolTable) { + return symbolTable.get(memberName); + } + } + function tryGetMemberInModuleExportsAndProperties(memberName, moduleSymbol) { + var symbol = tryGetMemberInModuleExports(memberName, moduleSymbol); + if (symbol) { + return symbol; + } + var exportEquals = resolveExternalModuleSymbol(moduleSymbol); + if (exportEquals === moduleSymbol) { + return undefined; + } + var type = getTypeOfSymbol(exportEquals); + return shouldTreatPropertiesOfExternalModuleAsExports(type) ? getPropertyOfType(type, memberName) : undefined; + } + function shouldTreatPropertiesOfExternalModuleAsExports(resolvedExternalModuleType) { + return !(resolvedExternalModuleType.flags & 131068 /* TypeFlags.Primitive */ || + ts.getObjectFlags(resolvedExternalModuleType) & 1 /* ObjectFlags.Class */ || + // `isArrayOrTupleLikeType` is too expensive to use in this auto-imports hot path + isArrayType(resolvedExternalModuleType) || + isTupleType(resolvedExternalModuleType)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 6256 /* SymbolFlags.LateBindingContainer */ ? getResolvedMembersOrExportsOfSymbol(symbol, "resolvedExports" /* MembersOrExportsResolutionKind.resolvedExports */) : + symbol.flags & 1536 /* SymbolFlags.Module */ ? getExportsOfModule(symbol) : + symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsOfModuleWorker(moduleSymbol)); + } + /** + * Extends one symbol table with another while collecting information on name collisions for error message generation into the `lookupTable` argument + * Not passing `lookupTable` and `exportNode` disables this collection, and just extends the tables + */ + function extendExportSymbols(target, source, lookupTable, exportNode) { + if (!source) + return; + source.forEach(function (sourceSymbol, id) { + if (id === "default" /* InternalSymbolName.Default */) + return; + var targetSymbol = target.get(id); + if (!targetSymbol) { + target.set(id, sourceSymbol); + if (lookupTable && exportNode) { + lookupTable.set(id, { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }); + } + } + else if (lookupTable && exportNode && targetSymbol && resolveSymbol(targetSymbol) !== resolveSymbol(sourceSymbol)) { + var collisionTracker = lookupTable.get(id); + if (!collisionTracker.exportsWithDuplicate) { + collisionTracker.exportsWithDuplicate = [exportNode]; + } + else { + collisionTracker.exportsWithDuplicate.push(exportNode); + } + } + }); + } + function getExportsOfModuleWorker(moduleSymbol) { + var visitedSymbols = []; + // A module defined by an 'export=' consists of one export that needs to be resolved + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + return visit(moduleSymbol) || emptySymbols; + // The ES6 spec permits export * declarations in a module to circularly reference the module itself. For example, + // module 'a' can 'export * from "b"' and 'b' can 'export * from "a"' without error. + function visit(symbol) { + if (!(symbol && symbol.exports && ts.pushIfUnique(visitedSymbols, symbol))) { + return; + } + var symbols = new ts.Map(symbol.exports); + // All export * declarations are collected in an __export symbol by the binder + var exportStars = symbol.exports.get("__export" /* InternalSymbolName.ExportStar */); + if (exportStars) { + var nestedSymbols = ts.createSymbolTable(); + var lookupTable_1 = new ts.Map(); + if (exportStars.declarations) { + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable_1, node); + } + } + lookupTable_1.forEach(function (_a, id) { + var exportsWithDuplicate = _a.exportsWithDuplicate; + // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols.has(id)) { + return; + } + for (var _i = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _i < exportsWithDuplicate_1.length; _i++) { + var node = exportsWithDuplicate_1[_i]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable_1.get(id).specifierText, ts.unescapeLeadingUnderscores(id))); + } + }); + extendExportSymbols(symbols, nestedSymbols); + } + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol && getLateBoundSymbol(node.symbol)); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent && getLateBoundSymbol(symbol.parent)); + } + function getAlternativeContainingModules(symbol, enclosingDeclaration) { + var containingFile = ts.getSourceFileOfNode(enclosingDeclaration); + var id = getNodeId(containingFile); + var links = getSymbolLinks(symbol); + var results; + if (links.extendedContainersByFile && (results = links.extendedContainersByFile.get(id))) { + return results; + } + if (containingFile && containingFile.imports) { + // Try to make an import using an import already in the enclosing file, if possible + for (var _i = 0, _a = containingFile.imports; _i < _a.length; _i++) { + var importRef = _a[_i]; + if (ts.nodeIsSynthesized(importRef)) + continue; // Synthetic names can't be resolved by `resolveExternalModuleName` - they'll cause a debug assert if they error + var resolvedModule = resolveExternalModuleName(enclosingDeclaration, importRef, /*ignoreErrors*/ true); + if (!resolvedModule) + continue; + var ref = getAliasForSymbolInContainer(resolvedModule, symbol); + if (!ref) + continue; + results = ts.append(results, resolvedModule); + } + if (ts.length(results)) { + (links.extendedContainersByFile || (links.extendedContainersByFile = new ts.Map())).set(id, results); + return results; + } + } + if (links.extendedContainers) { + return links.extendedContainers; + } + // No results from files already being imported by this file - expand search (expensive, but not location-specific, so cached) + var otherFiles = host.getSourceFiles(); + for (var _b = 0, otherFiles_1 = otherFiles; _b < otherFiles_1.length; _b++) { + var file = otherFiles_1[_b]; + if (!ts.isExternalModule(file)) + continue; + var sym = getSymbolOfNode(file); + var ref = getAliasForSymbolInContainer(sym, symbol); + if (!ref) + continue; + results = ts.append(results, sym); + } + return links.extendedContainers = results || ts.emptyArray; + } + /** + * Attempts to find the symbol corresponding to the container a symbol is in - usually this + * is just its' `.parent`, but for locals, this value is `undefined` + */ + function getContainersOfSymbol(symbol, enclosingDeclaration, meaning) { + var container = getParentOfSymbol(symbol); + // Type parameters end up in the `members` lists but are not externally visible + if (container && !(symbol.flags & 262144 /* SymbolFlags.TypeParameter */)) { + var additionalContainers = ts.mapDefined(container.declarations, fileSymbolIfFileSymbolExportEqualsContainer); + var reexportContainers = enclosingDeclaration && getAlternativeContainingModules(symbol, enclosingDeclaration); + var objectLiteralContainer = getVariableDeclarationOfObjectLiteral(container, meaning); + if (enclosingDeclaration && + container.flags & getQualifiedLeftMeaning(meaning) && + getAccessibleSymbolChain(container, enclosingDeclaration, 1920 /* SymbolFlags.Namespace */, /*externalOnly*/ false)) { + return ts.append(ts.concatenate(ts.concatenate([container], additionalContainers), reexportContainers), objectLiteralContainer); // This order expresses a preference for the real container if it is in scope + } + // we potentially have a symbol which is a member of the instance side of something - look for a variable in scope with the container's type + // which may be acting like a namespace (eg, `Symbol` acts like a namespace when looking up `Symbol.toStringTag`) + var firstVariableMatch = !(container.flags & getQualifiedLeftMeaning(meaning)) + && container.flags & 788968 /* SymbolFlags.Type */ + && getDeclaredTypeOfSymbol(container).flags & 524288 /* TypeFlags.Object */ + && meaning === 111551 /* SymbolFlags.Value */ + ? forEachSymbolTableInScope(enclosingDeclaration, function (t) { + return ts.forEachEntry(t, function (s) { + if (s.flags & getQualifiedLeftMeaning(meaning) && getTypeOfSymbol(s) === getDeclaredTypeOfSymbol(container)) { + return s; + } + }); + }) : undefined; + var res = firstVariableMatch ? __spreadArray(__spreadArray([firstVariableMatch], additionalContainers, true), [container], false) : __spreadArray(__spreadArray([], additionalContainers, true), [container], false); + res = ts.append(res, objectLiteralContainer); + res = ts.addRange(res, reexportContainers); + return res; + } + var candidates = ts.mapDefined(symbol.declarations, function (d) { + if (!ts.isAmbientModule(d) && d.parent) { + // direct children of a module + if (hasNonGlobalAugmentationExternalModuleSymbol(d.parent)) { + return getSymbolOfNode(d.parent); + } + // export ='d member of an ambient module + if (ts.isModuleBlock(d.parent) && d.parent.parent && resolveExternalModuleSymbol(getSymbolOfNode(d.parent.parent)) === symbol) { + return getSymbolOfNode(d.parent.parent); + } + } + if (ts.isClassExpression(d) && ts.isBinaryExpression(d.parent) && d.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && ts.isAccessExpression(d.parent.left) && ts.isEntityNameExpression(d.parent.left.expression)) { + if (ts.isModuleExportsAccessExpression(d.parent.left) || ts.isExportsIdentifier(d.parent.left.expression)) { + return getSymbolOfNode(ts.getSourceFileOfNode(d)); + } + checkExpressionCached(d.parent.left.expression); + return getNodeLinks(d.parent.left.expression).resolvedSymbol; + } + }); + if (!ts.length(candidates)) { + return undefined; + } + return ts.mapDefined(candidates, function (candidate) { return getAliasForSymbolInContainer(candidate, symbol) ? candidate : undefined; }); + function fileSymbolIfFileSymbolExportEqualsContainer(d) { + return container && getFileSymbolIfFileSymbolExportEqualsContainer(d, container); + } + } + function getVariableDeclarationOfObjectLiteral(symbol, meaning) { + // If we're trying to reference some object literal in, eg `var a = { x: 1 }`, the symbol for the literal, `__object`, is distinct + // from the symbol of the declaration it is being assigned to. Since we can use the declaration to refer to the literal, however, + // we'd like to make that connection here - potentially causing us to paint the declaration's visibility, and therefore the literal. + var firstDecl = !!ts.length(symbol.declarations) && ts.first(symbol.declarations); + if (meaning & 111551 /* SymbolFlags.Value */ && firstDecl && firstDecl.parent && ts.isVariableDeclaration(firstDecl.parent)) { + if (ts.isObjectLiteralExpression(firstDecl) && firstDecl === firstDecl.parent.initializer || ts.isTypeLiteralNode(firstDecl) && firstDecl === firstDecl.parent.type) { + return getSymbolOfNode(firstDecl.parent); + } + } + } + function getFileSymbolIfFileSymbolExportEqualsContainer(d, container) { + var fileSymbol = getExternalModuleContainer(d); + var exported = fileSymbol && fileSymbol.exports && fileSymbol.exports.get("export=" /* InternalSymbolName.ExportEquals */); + return exported && getSymbolIfSameReference(exported, container) ? fileSymbol : undefined; + } + function getAliasForSymbolInContainer(container, symbol) { + if (container === getParentOfSymbol(symbol)) { + // fast path, `symbol` is either already the alias or isn't aliased + return symbol; + } + // Check if container is a thing with an `export=` which points directly at `symbol`, and if so, return + // the container itself as the alias for the symbol + var exportEquals = container.exports && container.exports.get("export=" /* InternalSymbolName.ExportEquals */); + if (exportEquals && getSymbolIfSameReference(exportEquals, symbol)) { + return container; + } + var exports = getExportsOfSymbol(container); + var quick = exports.get(symbol.escapedName); + if (quick && getSymbolIfSameReference(quick, symbol)) { + return quick; + } + return ts.forEachEntry(exports, function (exported) { + if (getSymbolIfSameReference(exported, symbol)) { + return exported; + } + }); + } + /** + * Checks if two symbols, through aliasing and/or merging, refer to the same thing + */ + function getSymbolIfSameReference(s1, s2) { + if (getMergedSymbol(resolveSymbol(getMergedSymbol(s1))) === getMergedSymbol(resolveSymbol(getMergedSymbol(s2)))) { + return s1; + } + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return getMergedSymbol(symbol && (symbol.flags & 1048576 /* SymbolFlags.ExportValue */) !== 0 && symbol.exportSymbol || symbol); + } + function symbolIsValue(symbol) { + return !!(symbol.flags & 111551 /* SymbolFlags.Value */ || symbol.flags & 2097152 /* SymbolFlags.Alias */ && resolveAlias(symbol).flags & 111551 /* SymbolFlags.Value */ && !getTypeOnlyAliasDeclaration(symbol)); + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_3 = members; _i < members_3.length; _i++) { + var member = members_3[_i]; + if (member.kind === 171 /* SyntaxKind.Constructor */ && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + typeCount++; + result.id = typeCount; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.recordType(result); + return result; + } + function createOriginType(flags) { + return new Type(checker, flags); + } + function createIntrinsicType(kind, intrinsicName, objectFlags) { + if (objectFlags === void 0) { objectFlags = 0; } + var type = createType(kind); + type.intrinsicName = intrinsicName; + type.objectFlags = objectFlags; + return type; + } + function createObjectType(objectFlags, symbol) { + var type = createType(524288 /* TypeFlags.Object */); + type.objectFlags = objectFlags; + type.symbol = symbol; + type.members = undefined; + type.properties = undefined; + type.callSignatures = undefined; + type.constructSignatures = undefined; + type.indexInfos = undefined; + return type; + } + function createTypeofType() { + return getUnionType(ts.arrayFrom(typeofEQFacts.keys(), getStringLiteralType)); + } + function createTypeParameter(symbol) { + var type = createType(262144 /* TypeFlags.TypeParameter */); + if (symbol) + type.symbol = symbol; + return type; + } + // A reserved member name starts with two underscores, but the third character cannot be an underscore, + // @, or #. A third underscore indicates an escaped form of an identifier that started + // with at least two underscores. The @ character indicates that the name is denoted by a well known ES + // Symbol instance and the # character indicates that the name is a PrivateIdentifier. + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 /* CharacterCodes._ */ && + name.charCodeAt(1) === 95 /* CharacterCodes._ */ && + name.charCodeAt(2) !== 95 /* CharacterCodes._ */ && + name.charCodeAt(2) !== 64 /* CharacterCodes.at */ && + name.charCodeAt(2) !== 35 /* CharacterCodes.hash */; + } + function getNamedMembers(members) { + var result; + members.forEach(function (symbol, id) { + if (isNamedMember(symbol, id)) { + (result || (result = [])).push(symbol); + } + }); + return result || ts.emptyArray; + } + function isNamedMember(member, escapedName) { + return !isReservedMemberName(escapedName) && symbolIsValue(member); + } + function getNamedOrIndexSignatureMembers(members) { + var result = getNamedMembers(members); + var index = getIndexSymbolFromSymbolTable(members); + return index ? ts.concatenate(result, [index]) : result; + } + function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, indexInfos) { + var resolved = type; + resolved.members = members; + resolved.properties = ts.emptyArray; + resolved.callSignatures = callSignatures; + resolved.constructSignatures = constructSignatures; + resolved.indexInfos = indexInfos; + // This can loop back to getPropertyOfType() which would crash if `callSignatures` & `constructSignatures` are not initialized. + if (members !== emptySymbols) + resolved.properties = getNamedMembers(members); + return resolved; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, indexInfos) { + return setStructuredTypeMembers(createObjectType(16 /* ObjectFlags.Anonymous */, symbol), members, callSignatures, constructSignatures, indexInfos); + } + function getResolvedTypeWithoutAbstractConstructSignatures(type) { + if (type.constructSignatures.length === 0) + return type; + if (type.objectTypeWithoutAbstractConstructSignatures) + return type.objectTypeWithoutAbstractConstructSignatures; + var constructSignatures = ts.filter(type.constructSignatures, function (signature) { return !(signature.flags & 4 /* SignatureFlags.Abstract */); }); + if (type.constructSignatures === constructSignatures) + return type; + var typeCopy = createAnonymousType(type.symbol, type.members, type.callSignatures, ts.some(constructSignatures) ? constructSignatures : ts.emptyArray, type.indexInfos); + type.objectTypeWithoutAbstractConstructSignatures = typeCopy; + typeCopy.objectTypeWithoutAbstractConstructSignatures = typeCopy; + return typeCopy; + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + var _loop_8 = function (location) { + // Locals of a source file are not in scope (because they get merged into the global symbol table) + if (location.locals && !isGlobalSourceFile(location)) { + if (result = callback(location.locals, /*ignoreQualification*/ undefined, /*isLocalNameLookup*/ true, location)) { + return { value: result }; + } + } + switch (location.kind) { + case 305 /* SyntaxKind.SourceFile */: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + // falls through + case 261 /* SyntaxKind.ModuleDeclaration */: + var sym = getSymbolOfNode(location); + // `sym` may not have exports if this module declaration is backed by the symbol for a `const` that's being rewritten + // into a namespace - in such cases, it's best to just let the namespace appear empty (the const members couldn't have referred + // to one another anyway) + if (result = callback((sym === null || sym === void 0 ? void 0 : sym.exports) || emptySymbols, /*ignoreQualification*/ undefined, /*isLocalNameLookup*/ true, location)) { + return { value: result }; + } + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + // Type parameters are bound into `members` lists so they can merge across declarations + // This is troublesome, since in all other respects, they behave like locals :cries: + // TODO: the below is shared with similar code in `resolveName` - in fact, rephrasing all this symbol + // lookup logic in terms of `resolveName` would be nice + // The below is used to lookup type parameters within a class or interface, as they are added to the class/interface locals + // These can never be latebound, so the symbol's raw members are sufficient. `getMembersOfNode` cannot be used, as it would + // trigger resolving late-bound names, which we may already be in the process of doing while we're here! + var table_1; + // TODO: Should this filtered table be cached in some way? + (getSymbolOfNode(location).members || emptySymbols).forEach(function (memberSymbol, key) { + if (memberSymbol.flags & (788968 /* SymbolFlags.Type */ & ~67108864 /* SymbolFlags.Assignment */)) { + (table_1 || (table_1 = ts.createSymbolTable())).set(key, memberSymbol); + } + }); + if (table_1 && (result = callback(table_1, /*ignoreQualification*/ undefined, /*isLocalNameLookup*/ false, location))) { + return { value: result }; + } + break; + } + }; + for (var location = enclosingDeclaration; location; location = location.parent) { + var state_2 = _loop_8(location); + if (typeof state_2 === "object") + return state_2.value; + } + return callback(globals, /*ignoreQualification*/ undefined, /*isLocalNameLookup*/ true); + } + function getQualifiedLeftMeaning(rightMeaning) { + // If we are looking in value space, the parent meaning is value, other wise it is namespace + return rightMeaning === 111551 /* SymbolFlags.Value */ ? 111551 /* SymbolFlags.Value */ : 1920 /* SymbolFlags.Namespace */; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing, visitedSymbolTablesMap) { + if (visitedSymbolTablesMap === void 0) { visitedSymbolTablesMap = new ts.Map(); } + if (!(symbol && !isPropertyOrMethodDeclarationSymbol(symbol))) { + return undefined; + } + var links = getSymbolLinks(symbol); + var cache = (links.accessibleChainCache || (links.accessibleChainCache = new ts.Map())); + // Go from enclosingDeclaration to the first scope we check, so the cache is keyed off the scope and thus shared more + var firstRelevantLocation = forEachSymbolTableInScope(enclosingDeclaration, function (_, __, ___, node) { return node; }); + var key = "".concat(useOnlyExternalAliasing ? 0 : 1, "|").concat(firstRelevantLocation && getNodeId(firstRelevantLocation), "|").concat(meaning); + if (cache.has(key)) { + return cache.get(key); + } + var id = getSymbolId(symbol); + var visitedSymbolTables = visitedSymbolTablesMap.get(id); + if (!visitedSymbolTables) { + visitedSymbolTablesMap.set(id, visitedSymbolTables = []); + } + var result = forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); + cache.set(key, result); + return result; + /** + * @param {ignoreQualification} boolean Set when a symbol is being looked for through the exports of another symbol (meaning we have a route to qualify it already) + */ + function getAccessibleSymbolChainFromSymbolTable(symbols, ignoreQualification, isLocalNameLookup) { + if (!ts.pushIfUnique(visitedSymbolTables, symbols)) { + return undefined; + } + var result = trySymbolTable(symbols, ignoreQualification, isLocalNameLookup); + visitedSymbolTables.pop(); + return result; + } + function canQualifySymbol(symbolFromSymbolTable, meaning) { + // If the symbol is equivalent and doesn't need further qualification, this symbol is accessible + return !needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning) || + // If symbol needs qualification, make sure that parent is accessible, if it is then this symbol is accessible too + !!getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing, visitedSymbolTablesMap); + } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol, ignoreQualification) { + return (symbol === (resolvedAliasSymbol || symbolFromSymbolTable) || getMergedSymbol(symbol) === getMergedSymbol(resolvedAliasSymbol || symbolFromSymbolTable)) && + // if the symbolFromSymbolTable is not external module (it could be if it was determined as ambient external module and would be in globals table) + // and if symbolFromSymbolTable or alias resolution matches the symbol, + // check the symbol can be qualified, it is only then this symbol is accessible + !ts.some(symbolFromSymbolTable.declarations, hasNonGlobalAugmentationExternalModuleSymbol) && + (ignoreQualification || canQualifySymbol(getMergedSymbol(symbolFromSymbolTable), meaning)); + } + function trySymbolTable(symbols, ignoreQualification, isLocalNameLookup) { + // If symbol is directly available by its name in the symbol table + if (isAccessible(symbols.get(symbol.escapedName), /*resolvedAliasSymbol*/ undefined, ignoreQualification)) { + return [symbol]; + } + // Check if symbol is any of the aliases in scope + var result = ts.forEachEntry(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 2097152 /* SymbolFlags.Alias */ + && symbolFromSymbolTable.escapedName !== "export=" /* InternalSymbolName.ExportEquals */ + && symbolFromSymbolTable.escapedName !== "default" /* InternalSymbolName.Default */ + && !(ts.isUMDExportSymbol(symbolFromSymbolTable) && enclosingDeclaration && ts.isExternalModule(ts.getSourceFileOfNode(enclosingDeclaration))) + // If `!useOnlyExternalAliasing`, we can use any type of alias to get the name + && (!useOnlyExternalAliasing || ts.some(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) + // If we're looking up a local name to reference directly, omit namespace reexports, otherwise when we're trawling through an export list to make a dotted name, we can keep it + && (isLocalNameLookup ? !ts.some(symbolFromSymbolTable.declarations, ts.isNamespaceReexportDeclaration) : true) + // While exports are generally considered to be in scope, export-specifier declared symbols are _not_ + // See similar comment in `resolveName` for details + && (ignoreQualification || !ts.getDeclarationOfKind(symbolFromSymbolTable, 275 /* SyntaxKind.ExportSpecifier */))) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + var candidate = getCandidateListForSymbol(symbolFromSymbolTable, resolvedImportedSymbol, ignoreQualification); + if (candidate) { + return candidate; + } + } + if (symbolFromSymbolTable.escapedName === symbol.escapedName && symbolFromSymbolTable.exportSymbol) { + if (isAccessible(getMergedSymbol(symbolFromSymbolTable.exportSymbol), /*aliasSymbol*/ undefined, ignoreQualification)) { + return [symbol]; + } + } + }); + // If there's no result and we're looking at the global symbol table, treat `globalThis` like an alias and try to lookup thru that + return result || (symbols === globals ? getCandidateListForSymbol(globalThisSymbol, globalThisSymbol, ignoreQualification) : undefined); + } + function getCandidateListForSymbol(symbolFromSymbolTable, resolvedImportedSymbol, ignoreQualification) { + if (isAccessible(symbolFromSymbolTable, resolvedImportedSymbol, ignoreQualification)) { + return [symbolFromSymbolTable]; + } + // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain + // but only if the symbolFromSymbolTable can be qualified + var candidateTable = getExportsOfSymbol(resolvedImportedSymbol); + var accessibleSymbolsFromExports = candidateTable && getAccessibleSymbolChainFromSymbolTable(candidateTable, /*ignoreQualification*/ true); + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); + } + } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + // If symbol of this name is not available in the symbol table we are ok + var symbolFromSymbolTable = getMergedSymbol(symbolTable.get(symbol.escapedName)); + if (!symbolFromSymbolTable) { + // Continue to the next symbol table + return false; + } + // If the symbol with this name is present it should refer to the symbol + if (symbolFromSymbolTable === symbol) { + // No need to qualify + return true; + } + // Qualify if the symbol from symbol table has same meaning as expected + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 2097152 /* SymbolFlags.Alias */ && !ts.getDeclarationOfKind(symbolFromSymbolTable, 275 /* SyntaxKind.ExportSpecifier */)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; + } + // Continue to the next symbol table + return false; + }); + return qualify; + } + function isPropertyOrMethodDeclarationSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + switch (declaration.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + continue; + default: + return false; + } + } + return true; + } + return false; + } + function isTypeSymbolAccessible(typeSymbol, enclosingDeclaration) { + var access = isSymbolAccessibleWorker(typeSymbol, enclosingDeclaration, 788968 /* SymbolFlags.Type */, /*shouldComputeAliasesToMakeVisible*/ false, /*allowModules*/ true); + return access.accessibility === 0 /* SymbolAccessibility.Accessible */; + } + function isValueSymbolAccessible(typeSymbol, enclosingDeclaration) { + var access = isSymbolAccessibleWorker(typeSymbol, enclosingDeclaration, 111551 /* SymbolFlags.Value */, /*shouldComputeAliasesToMakeVisible*/ false, /*allowModules*/ true); + return access.accessibility === 0 /* SymbolAccessibility.Accessible */; + } + function isSymbolAccessibleByFlags(typeSymbol, enclosingDeclaration, flags) { + var access = isSymbolAccessibleWorker(typeSymbol, enclosingDeclaration, flags, /*shouldComputeAliasesToMakeVisible*/ false, /*allowModules*/ false); + return access.accessibility === 0 /* SymbolAccessibility.Accessible */; + } + function isAnySymbolAccessible(symbols, enclosingDeclaration, initialSymbol, meaning, shouldComputeAliasesToMakeVisible, allowModules) { + if (!ts.length(symbols)) + return; + var hadAccessibleChain; + var earlyModuleBail = false; + for (var _i = 0, _a = symbols; _i < _a.length; _i++) { + var symbol = _a[_i]; + // Symbol is accessible if it by itself is accessible + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, /*useOnlyExternalAliasing*/ false); + if (accessibleSymbolChain) { + hadAccessibleChain = symbol; + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0], shouldComputeAliasesToMakeVisible); + if (hasAccessibleDeclarations) { + return hasAccessibleDeclarations; + } + } + if (allowModules) { + if (ts.some(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)) { + if (shouldComputeAliasesToMakeVisible) { + earlyModuleBail = true; + // Generally speaking, we want to use the aliases that already exist to refer to a module, if present + // In order to do so, we need to find those aliases in order to retain them in declaration emit; so + // if we are in declaration emit, we cannot use the fast path for module visibility until we've exhausted + // all other visibility options (in order to capture the possible aliases used to reference the module) + continue; + } + // Any meaning of a module symbol is always accessible via an `import` type + return { + accessibility: 0 /* SymbolAccessibility.Accessible */ + }; + } + } + // If we haven't got the accessible symbol, it doesn't mean the symbol is actually inaccessible. + // It could be a qualified symbol and hence verify the path + // e.g.: + // module m { + // export class c { + // } + // } + // const x: typeof m.c + // In the above example when we start with checking if typeof m.c symbol is accessible, + // we are going to see if c can be accessed in scope directly. + // But it can't, hence the accessible is going to be undefined, but that doesn't mean m.c is inaccessible + // It is accessible if the parent m is accessible because then m.c can be accessed through qualification + var containers = getContainersOfSymbol(symbol, enclosingDeclaration, meaning); + var parentResult = isAnySymbolAccessible(containers, enclosingDeclaration, initialSymbol, initialSymbol === symbol ? getQualifiedLeftMeaning(meaning) : meaning, shouldComputeAliasesToMakeVisible, allowModules); + if (parentResult) { + return parentResult; + } + } + if (earlyModuleBail) { + return { + accessibility: 0 /* SymbolAccessibility.Accessible */ + }; + } + if (hadAccessibleChain) { + return { + accessibility: 1 /* SymbolAccessibility.NotAccessible */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: hadAccessibleChain !== initialSymbol ? symbolToString(hadAccessibleChain, enclosingDeclaration, 1920 /* SymbolFlags.Namespace */) : undefined, + }; + } + } + /** + * Check if the given symbol in given enclosing declaration is accessible and mark all associated alias to be visible if requested + * + * @param symbol a Symbol to check if accessible + * @param enclosingDeclaration a Node containing reference to the symbol + * @param meaning a SymbolFlags to check if such meaning of the symbol is accessible + * @param shouldComputeAliasToMakeVisible a boolean value to indicate whether to return aliases to be mark visible in case the symbol is accessible + */ + function isSymbolAccessible(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible) { + return isSymbolAccessibleWorker(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible, /*allowModules*/ true); + } + function isSymbolAccessibleWorker(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible, allowModules) { + if (symbol && enclosingDeclaration) { + var result = isAnySymbolAccessible([symbol], enclosingDeclaration, symbol, meaning, shouldComputeAliasesToMakeVisible, allowModules); + if (result) { + return result; + } + // This could be a symbol that is not exported in the external module + // or it could be a symbol from different external module that is not aliased and hence cannot be named + var symbolExternalModule = ts.forEach(symbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + // name from different external module that is not visible + return { + accessibility: 2 /* SymbolAccessibility.CannotBeNamed */, + errorSymbolName: symbolToString(symbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule), + errorNode: ts.isInJSFile(enclosingDeclaration) ? enclosingDeclaration : undefined, + }; + } + } + // Just a local name that is not accessible + return { + accessibility: 1 /* SymbolAccessibility.NotAccessible */, + errorSymbolName: symbolToString(symbol, enclosingDeclaration, meaning), + }; + } + return { accessibility: 0 /* SymbolAccessibility.Accessible */ }; + } + function getExternalModuleContainer(declaration) { + var node = ts.findAncestor(declaration, hasExternalModuleSymbol); + return node && getSymbolOfNode(node); + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 305 /* SyntaxKind.SourceFile */ && ts.isExternalOrCommonJsModule(declaration)); + } + function hasNonGlobalAugmentationExternalModuleSymbol(declaration) { + return ts.isModuleWithStringLiteralName(declaration) || (declaration.kind === 305 /* SyntaxKind.SourceFile */ && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol, shouldComputeAliasToMakeVisible) { + var aliasesToMakeVisible; + if (!ts.every(ts.filter(symbol.declarations, function (d) { return d.kind !== 79 /* SyntaxKind.Identifier */; }), getIsDeclarationVisible)) { + return undefined; + } + return { accessibility: 0 /* SymbolAccessibility.Accessible */, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + var _a, _b; + if (!isDeclarationVisible(declaration)) { + // Mark the unexported alias as visible if its parent is visible + // because these kind of aliases can be used to name types in declaration file + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !ts.hasSyntacticModifier(anyImportSyntax, 1 /* ModifierFlags.Export */) && // import clause without export + isDeclarationVisible(anyImportSyntax.parent)) { + return addVisibleAlias(declaration, anyImportSyntax); + } + else if (ts.isVariableDeclaration(declaration) && ts.isVariableStatement(declaration.parent.parent) && + !ts.hasSyntacticModifier(declaration.parent.parent, 1 /* ModifierFlags.Export */) && // unexported variable statement + isDeclarationVisible(declaration.parent.parent.parent)) { + return addVisibleAlias(declaration, declaration.parent.parent); + } + else if (ts.isLateVisibilityPaintedStatement(declaration) // unexported top-level statement + && !ts.hasSyntacticModifier(declaration, 1 /* ModifierFlags.Export */) + && isDeclarationVisible(declaration.parent)) { + return addVisibleAlias(declaration, declaration); + } + else if (symbol.flags & 2097152 /* SymbolFlags.Alias */ && ts.isBindingElement(declaration) && ts.isInJSFile(declaration) && ((_a = declaration.parent) === null || _a === void 0 ? void 0 : _a.parent) // exported import-like top-level JS require statement + && ts.isVariableDeclaration(declaration.parent.parent) + && ((_b = declaration.parent.parent.parent) === null || _b === void 0 ? void 0 : _b.parent) && ts.isVariableStatement(declaration.parent.parent.parent.parent) + && !ts.hasSyntacticModifier(declaration.parent.parent.parent.parent, 1 /* ModifierFlags.Export */) + && declaration.parent.parent.parent.parent.parent // check if the thing containing the variable statement is visible (ie, the file) + && isDeclarationVisible(declaration.parent.parent.parent.parent.parent)) { + return addVisibleAlias(declaration, declaration.parent.parent.parent.parent); + } + // Declaration is not visible + return false; + } + return true; + } + function addVisibleAlias(declaration, aliasingStatement) { + // In function "buildTypeDisplay" where we decide whether to write type-alias or serialize types, + // we want to just check if type- alias is accessible or not but we don't care about emitting those alias at that time + // since we will do the emitting later in trackSymbol. + if (shouldComputeAliasToMakeVisible) { + getNodeLinks(declaration).isVisible = true; + aliasesToMakeVisible = ts.appendIfUnique(aliasesToMakeVisible, aliasingStatement); + } + return true; + } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + // get symbol of the first identifier of the entityName + var meaning; + if (entityName.parent.kind === 181 /* SyntaxKind.TypeQuery */ || + entityName.parent.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */ && !ts.isPartOfTypeNode(entityName.parent) || + entityName.parent.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + // Typeof value + meaning = 111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */; + } + else if (entityName.kind === 161 /* SyntaxKind.QualifiedName */ || entityName.kind === 206 /* SyntaxKind.PropertyAccessExpression */ || + entityName.parent.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + // Left identifier from type reference or TypeAlias + // Entity name of the import declaration + meaning = 1920 /* SymbolFlags.Namespace */; + } + else { + // Type Reference or TypeAlias entity = Identifier + meaning = 788968 /* SymbolFlags.Type */; + } + var firstIdentifier = ts.getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.escapedText, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false); + if (symbol && symbol.flags & 262144 /* SymbolFlags.TypeParameter */ && meaning & 788968 /* SymbolFlags.Type */) { + return { accessibility: 0 /* SymbolAccessibility.Accessible */ }; + } + // Verify if the symbol is accessible + return (symbol && hasVisibleDeclarations(symbol, /*shouldComputeAliasToMakeVisible*/ true)) || { + accessibility: 1 /* SymbolAccessibility.NotAccessible */, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function symbolToString(symbol, enclosingDeclaration, meaning, flags, writer) { + if (flags === void 0) { flags = 4 /* SymbolFormatFlags.AllowAnyNodeKind */; } + var nodeFlags = 70221824 /* NodeBuilderFlags.IgnoreErrors */; + if (flags & 2 /* SymbolFormatFlags.UseOnlyExternalAliasing */) { + nodeFlags |= 128 /* NodeBuilderFlags.UseOnlyExternalAliasing */; + } + if (flags & 1 /* SymbolFormatFlags.WriteTypeParametersOrArguments */) { + nodeFlags |= 512 /* NodeBuilderFlags.WriteTypeParametersInQualifiedName */; + } + if (flags & 8 /* SymbolFormatFlags.UseAliasDefinedOutsideCurrentScope */) { + nodeFlags |= 16384 /* NodeBuilderFlags.UseAliasDefinedOutsideCurrentScope */; + } + if (flags & 16 /* SymbolFormatFlags.DoNotIncludeSymbolChain */) { + nodeFlags |= 134217728 /* NodeBuilderFlags.DoNotIncludeSymbolChain */; + } + var builder = flags & 4 /* SymbolFormatFlags.AllowAnyNodeKind */ ? nodeBuilder.symbolToExpression : nodeBuilder.symbolToEntityName; + return writer ? symbolToStringWorker(writer).getText() : ts.usingSingleLineStringWriter(symbolToStringWorker); + function symbolToStringWorker(writer) { + var entity = builder(symbol, meaning, enclosingDeclaration, nodeFlags); // TODO: GH#18217 + // add neverAsciiEscape for GH#39027 + var printer = (enclosingDeclaration === null || enclosingDeclaration === void 0 ? void 0 : enclosingDeclaration.kind) === 305 /* SyntaxKind.SourceFile */ ? ts.createPrinter({ removeComments: true, neverAsciiEscape: true }) : ts.createPrinter({ removeComments: true }); + var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration); + printer.writeNode(4 /* EmitHint.Unspecified */, entity, /*sourceFile*/ sourceFile, writer); + return writer; + } + } + function signatureToString(signature, enclosingDeclaration, flags, kind, writer) { + if (flags === void 0) { flags = 0 /* TypeFormatFlags.None */; } + return writer ? signatureToStringWorker(writer).getText() : ts.usingSingleLineStringWriter(signatureToStringWorker); + function signatureToStringWorker(writer) { + var sigOutput; + if (flags & 262144 /* TypeFormatFlags.WriteArrowStyleSignature */) { + sigOutput = kind === 1 /* SignatureKind.Construct */ ? 180 /* SyntaxKind.ConstructorType */ : 179 /* SyntaxKind.FunctionType */; + } + else { + sigOutput = kind === 1 /* SignatureKind.Construct */ ? 175 /* SyntaxKind.ConstructSignature */ : 174 /* SyntaxKind.CallSignature */; + } + var sig = nodeBuilder.signatureToSignatureDeclaration(signature, sigOutput, enclosingDeclaration, toNodeBuilderFlags(flags) | 70221824 /* NodeBuilderFlags.IgnoreErrors */ | 512 /* NodeBuilderFlags.WriteTypeParametersInQualifiedName */); + var printer = ts.createPrinter({ removeComments: true, omitTrailingSemicolon: true }); + var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration); + printer.writeNode(4 /* EmitHint.Unspecified */, sig, /*sourceFile*/ sourceFile, ts.getTrailingSemicolonDeferringWriter(writer)); // TODO: GH#18217 + return writer; + } + } + function typeToString(type, enclosingDeclaration, flags, writer) { + if (flags === void 0) { flags = 1048576 /* TypeFormatFlags.AllowUniqueESSymbolType */ | 16384 /* TypeFormatFlags.UseAliasDefinedOutsideCurrentScope */; } + if (writer === void 0) { writer = ts.createTextWriter(""); } + var noTruncation = compilerOptions.noErrorTruncation || flags & 1 /* TypeFormatFlags.NoTruncation */; + var typeNode = nodeBuilder.typeToTypeNode(type, enclosingDeclaration, toNodeBuilderFlags(flags) | 70221824 /* NodeBuilderFlags.IgnoreErrors */ | (noTruncation ? 1 /* NodeBuilderFlags.NoTruncation */ : 0), writer); + if (typeNode === undefined) + return ts.Debug.fail("should always get typenode"); + // The unresolved type gets a synthesized comment on `any` to hint to users that it's not a plain `any`. + // Otherwise, we always strip comments out. + var options = { removeComments: type !== unresolvedType }; + var printer = ts.createPrinter(options); + var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration); + printer.writeNode(4 /* EmitHint.Unspecified */, typeNode, /*sourceFile*/ sourceFile, writer); + var result = writer.getText(); + var maxLength = noTruncation ? ts.noTruncationMaximumTruncationLength * 2 : ts.defaultMaximumTruncationLength * 2; + if (maxLength && result && result.length >= maxLength) { + return result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function getTypeNamesForErrorDisplay(left, right) { + var leftStr = symbolValueDeclarationIsContextSensitive(left.symbol) ? typeToString(left, left.symbol.valueDeclaration) : typeToString(left); + var rightStr = symbolValueDeclarationIsContextSensitive(right.symbol) ? typeToString(right, right.symbol.valueDeclaration) : typeToString(right); + if (leftStr === rightStr) { + leftStr = getTypeNameForErrorDisplay(left); + rightStr = getTypeNameForErrorDisplay(right); + } + return [leftStr, rightStr]; + } + function getTypeNameForErrorDisplay(type) { + return typeToString(type, /*enclosingDeclaration*/ undefined, 64 /* TypeFormatFlags.UseFullyQualifiedType */); + } + function symbolValueDeclarationIsContextSensitive(symbol) { + return symbol && !!symbol.valueDeclaration && ts.isExpression(symbol.valueDeclaration) && !isContextSensitive(symbol.valueDeclaration); + } + function toNodeBuilderFlags(flags) { + if (flags === void 0) { flags = 0 /* TypeFormatFlags.None */; } + return flags & 814775659 /* TypeFormatFlags.NodeBuilderFlagsMask */; + } + function isClassInstanceSide(type) { + return !!type.symbol && !!(type.symbol.flags & 32 /* SymbolFlags.Class */) && (type === getDeclaredTypeOfClassOrInterface(type.symbol) || (!!(type.flags & 524288 /* TypeFlags.Object */) && !!(ts.getObjectFlags(type) & 16777216 /* ObjectFlags.IsClassInstanceClone */))); + } + function createNodeBuilder() { + return { + typeToTypeNode: function (type, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return typeToTypeNodeHelper(type, context); }); + }, + indexInfoToIndexSignatureDeclaration: function (indexInfo, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return indexInfoToIndexSignatureDeclarationHelper(indexInfo, context, /*typeNode*/ undefined); }); + }, + signatureToSignatureDeclaration: function (signature, kind, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return signatureToSignatureDeclarationHelper(signature, kind, context); }); + }, + symbolToEntityName: function (symbol, meaning, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolToName(symbol, context, meaning, /*expectsIdentifier*/ false); }); + }, + symbolToExpression: function (symbol, meaning, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolToExpression(symbol, context, meaning); }); + }, + symbolToTypeParameterDeclarations: function (symbol, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return typeParametersToTypeParameterDeclarations(symbol, context); }); + }, + symbolToParameterDeclaration: function (symbol, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolToParameterDeclaration(symbol, context); }); + }, + typeParameterToDeclaration: function (parameter, enclosingDeclaration, flags, tracker) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return typeParameterToDeclaration(parameter, context); }); + }, + symbolTableToDeclarationStatements: function (symbolTable, enclosingDeclaration, flags, tracker, bundled) { + return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolTableToDeclarationStatements(symbolTable, context, bundled); }); + }, + }; + function withContext(enclosingDeclaration, flags, tracker, cb) { + var _a, _b; + ts.Debug.assert(enclosingDeclaration === undefined || (enclosingDeclaration.flags & 8 /* NodeFlags.Synthesized */) === 0); + var context = { + enclosingDeclaration: enclosingDeclaration, + flags: flags || 0 /* NodeBuilderFlags.None */, + // If no full tracker is provided, fake up a dummy one with a basic limited-functionality moduleResolverHost + tracker: tracker && tracker.trackSymbol ? tracker : { trackSymbol: function () { return false; }, moduleResolverHost: flags & 134217728 /* NodeBuilderFlags.DoNotIncludeSymbolChain */ ? { + getCommonSourceDirectory: !!host.getCommonSourceDirectory ? function () { return host.getCommonSourceDirectory(); } : function () { return ""; }, + getCurrentDirectory: function () { return host.getCurrentDirectory(); }, + getSymlinkCache: ts.maybeBind(host, host.getSymlinkCache), + getPackageJsonInfoCache: function () { var _a; return (_a = host.getPackageJsonInfoCache) === null || _a === void 0 ? void 0 : _a.call(host); }, + useCaseSensitiveFileNames: ts.maybeBind(host, host.useCaseSensitiveFileNames), + redirectTargetsMap: host.redirectTargetsMap, + getProjectReferenceRedirect: function (fileName) { return host.getProjectReferenceRedirect(fileName); }, + isSourceOfProjectReferenceRedirect: function (fileName) { return host.isSourceOfProjectReferenceRedirect(fileName); }, + fileExists: function (fileName) { return host.fileExists(fileName); }, + getFileIncludeReasons: function () { return host.getFileIncludeReasons(); }, + readFile: host.readFile ? (function (fileName) { return host.readFile(fileName); }) : undefined, + } : undefined }, + encounteredError: false, + reportedDiagnostic: false, + visitedTypes: undefined, + symbolDepth: undefined, + inferTypeParameters: undefined, + approximateLength: 0 + }; + context.tracker = wrapSymbolTrackerToReportForContext(context, context.tracker); + var resultingNode = cb(context); + if (context.truncating && context.flags & 1 /* NodeBuilderFlags.NoTruncation */) { + (_b = (_a = context.tracker) === null || _a === void 0 ? void 0 : _a.reportTruncationError) === null || _b === void 0 ? void 0 : _b.call(_a); + } + return context.encounteredError ? undefined : resultingNode; + } + function wrapSymbolTrackerToReportForContext(context, tracker) { + var oldTrackSymbol = tracker.trackSymbol; + return __assign(__assign({}, tracker), { reportCyclicStructureError: wrapReportedDiagnostic(tracker.reportCyclicStructureError), reportInaccessibleThisError: wrapReportedDiagnostic(tracker.reportInaccessibleThisError), reportInaccessibleUniqueSymbolError: wrapReportedDiagnostic(tracker.reportInaccessibleUniqueSymbolError), reportLikelyUnsafeImportRequiredError: wrapReportedDiagnostic(tracker.reportLikelyUnsafeImportRequiredError), reportNonlocalAugmentation: wrapReportedDiagnostic(tracker.reportNonlocalAugmentation), reportPrivateInBaseOfClassExpression: wrapReportedDiagnostic(tracker.reportPrivateInBaseOfClassExpression), reportNonSerializableProperty: wrapReportedDiagnostic(tracker.reportNonSerializableProperty), trackSymbol: oldTrackSymbol && (function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + var result = oldTrackSymbol.apply(void 0, args); + if (result) { + context.reportedDiagnostic = true; + } + return result; + }) }); + function wrapReportedDiagnostic(method) { + if (!method) { + return method; + } + return (function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + context.reportedDiagnostic = true; + return method.apply(void 0, args); + }); + } + } + function checkTruncationLength(context) { + if (context.truncating) + return context.truncating; + return context.truncating = context.approximateLength > ((context.flags & 1 /* NodeBuilderFlags.NoTruncation */) ? ts.noTruncationMaximumTruncationLength : ts.defaultMaximumTruncationLength); + } + function typeToTypeNodeHelper(type, context) { + if (cancellationToken && cancellationToken.throwIfCancellationRequested) { + cancellationToken.throwIfCancellationRequested(); + } + var inTypeAlias = context.flags & 8388608 /* NodeBuilderFlags.InTypeAlias */; + context.flags &= ~8388608 /* NodeBuilderFlags.InTypeAlias */; + if (!type) { + if (!(context.flags & 262144 /* NodeBuilderFlags.AllowEmptyUnionOrIntersection */)) { + context.encounteredError = true; + return undefined; // TODO: GH#18217 + } + context.approximateLength += 3; + return ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + if (!(context.flags & 536870912 /* NodeBuilderFlags.NoTypeReduction */)) { + type = getReducedType(type); + } + if (type.flags & 1 /* TypeFlags.Any */) { + if (type.aliasSymbol) { + return ts.factory.createTypeReferenceNode(symbolToEntityNameNode(type.aliasSymbol), mapToTypeNodes(type.aliasTypeArguments, context)); + } + if (type === unresolvedType) { + return ts.addSyntheticLeadingComment(ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */), 3 /* SyntaxKind.MultiLineCommentTrivia */, "unresolved"); + } + context.approximateLength += 3; + return ts.factory.createKeywordTypeNode(type === intrinsicMarkerType ? 138 /* SyntaxKind.IntrinsicKeyword */ : 130 /* SyntaxKind.AnyKeyword */); + } + if (type.flags & 2 /* TypeFlags.Unknown */) { + return ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */); + } + if (type.flags & 4 /* TypeFlags.String */) { + context.approximateLength += 6; + return ts.factory.createKeywordTypeNode(150 /* SyntaxKind.StringKeyword */); + } + if (type.flags & 8 /* TypeFlags.Number */) { + context.approximateLength += 6; + return ts.factory.createKeywordTypeNode(147 /* SyntaxKind.NumberKeyword */); + } + if (type.flags & 64 /* TypeFlags.BigInt */) { + context.approximateLength += 6; + return ts.factory.createKeywordTypeNode(158 /* SyntaxKind.BigIntKeyword */); + } + if (type.flags & 16 /* TypeFlags.Boolean */ && !type.aliasSymbol) { + context.approximateLength += 7; + return ts.factory.createKeywordTypeNode(133 /* SyntaxKind.BooleanKeyword */); + } + if (type.flags & 1024 /* TypeFlags.EnumLiteral */ && !(type.flags & 1048576 /* TypeFlags.Union */)) { + var parentSymbol = getParentOfSymbol(type.symbol); + var parentName = symbolToTypeNode(parentSymbol, context, 788968 /* SymbolFlags.Type */); + if (getDeclaredTypeOfSymbol(parentSymbol) === type) { + return parentName; + } + var memberName = ts.symbolName(type.symbol); + if (ts.isIdentifierText(memberName, 0 /* ScriptTarget.ES3 */)) { + return appendReferenceToType(parentName, ts.factory.createTypeReferenceNode(memberName, /*typeArguments*/ undefined)); + } + if (ts.isImportTypeNode(parentName)) { + parentName.isTypeOf = true; // mutably update, node is freshly manufactured anyhow + return ts.factory.createIndexedAccessTypeNode(parentName, ts.factory.createLiteralTypeNode(ts.factory.createStringLiteral(memberName))); + } + else if (ts.isTypeReferenceNode(parentName)) { + return ts.factory.createIndexedAccessTypeNode(ts.factory.createTypeQueryNode(parentName.typeName), ts.factory.createLiteralTypeNode(ts.factory.createStringLiteral(memberName))); + } + else { + return ts.Debug.fail("Unhandled type node kind returned from `symbolToTypeNode`."); + } + } + if (type.flags & 1056 /* TypeFlags.EnumLike */) { + return symbolToTypeNode(type.symbol, context, 788968 /* SymbolFlags.Type */); + } + if (type.flags & 128 /* TypeFlags.StringLiteral */) { + context.approximateLength += (type.value.length + 2); + return ts.factory.createLiteralTypeNode(ts.setEmitFlags(ts.factory.createStringLiteral(type.value, !!(context.flags & 268435456 /* NodeBuilderFlags.UseSingleQuotesForStringLiteralType */)), 16777216 /* EmitFlags.NoAsciiEscaping */)); + } + if (type.flags & 256 /* TypeFlags.NumberLiteral */) { + var value = type.value; + context.approximateLength += ("" + value).length; + return ts.factory.createLiteralTypeNode(value < 0 ? ts.factory.createPrefixUnaryExpression(40 /* SyntaxKind.MinusToken */, ts.factory.createNumericLiteral(-value)) : ts.factory.createNumericLiteral(value)); + } + if (type.flags & 2048 /* TypeFlags.BigIntLiteral */) { + context.approximateLength += (ts.pseudoBigIntToString(type.value).length) + 1; + return ts.factory.createLiteralTypeNode((ts.factory.createBigIntLiteral(type.value))); + } + if (type.flags & 512 /* TypeFlags.BooleanLiteral */) { + context.approximateLength += type.intrinsicName.length; + return ts.factory.createLiteralTypeNode(type.intrinsicName === "true" ? ts.factory.createTrue() : ts.factory.createFalse()); + } + if (type.flags & 8192 /* TypeFlags.UniqueESSymbol */) { + if (!(context.flags & 1048576 /* NodeBuilderFlags.AllowUniqueESSymbolType */)) { + if (isValueSymbolAccessible(type.symbol, context.enclosingDeclaration)) { + context.approximateLength += 6; + return symbolToTypeNode(type.symbol, context, 111551 /* SymbolFlags.Value */); + } + if (context.tracker.reportInaccessibleUniqueSymbolError) { + context.tracker.reportInaccessibleUniqueSymbolError(); + } + } + context.approximateLength += 13; + return ts.factory.createTypeOperatorNode(154 /* SyntaxKind.UniqueKeyword */, ts.factory.createKeywordTypeNode(151 /* SyntaxKind.SymbolKeyword */)); + } + if (type.flags & 16384 /* TypeFlags.Void */) { + context.approximateLength += 4; + return ts.factory.createKeywordTypeNode(114 /* SyntaxKind.VoidKeyword */); + } + if (type.flags & 32768 /* TypeFlags.Undefined */) { + context.approximateLength += 9; + return ts.factory.createKeywordTypeNode(153 /* SyntaxKind.UndefinedKeyword */); + } + if (type.flags & 65536 /* TypeFlags.Null */) { + context.approximateLength += 4; + return ts.factory.createLiteralTypeNode(ts.factory.createNull()); + } + if (type.flags & 131072 /* TypeFlags.Never */) { + context.approximateLength += 5; + return ts.factory.createKeywordTypeNode(143 /* SyntaxKind.NeverKeyword */); + } + if (type.flags & 4096 /* TypeFlags.ESSymbol */) { + context.approximateLength += 6; + return ts.factory.createKeywordTypeNode(151 /* SyntaxKind.SymbolKeyword */); + } + if (type.flags & 67108864 /* TypeFlags.NonPrimitive */) { + context.approximateLength += 6; + return ts.factory.createKeywordTypeNode(148 /* SyntaxKind.ObjectKeyword */); + } + if (ts.isThisTypeParameter(type)) { + if (context.flags & 4194304 /* NodeBuilderFlags.InObjectTypeLiteral */) { + if (!context.encounteredError && !(context.flags & 32768 /* NodeBuilderFlags.AllowThisInObjectLiteral */)) { + context.encounteredError = true; + } + if (context.tracker.reportInaccessibleThisError) { + context.tracker.reportInaccessibleThisError(); + } + } + context.approximateLength += 4; + return ts.factory.createThisTypeNode(); + } + if (!inTypeAlias && type.aliasSymbol && (context.flags & 16384 /* NodeBuilderFlags.UseAliasDefinedOutsideCurrentScope */ || isTypeSymbolAccessible(type.aliasSymbol, context.enclosingDeclaration))) { + var typeArgumentNodes = mapToTypeNodes(type.aliasTypeArguments, context); + if (isReservedMemberName(type.aliasSymbol.escapedName) && !(type.aliasSymbol.flags & 32 /* SymbolFlags.Class */)) + return ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(""), typeArgumentNodes); + return symbolToTypeNode(type.aliasSymbol, context, 788968 /* SymbolFlags.Type */, typeArgumentNodes); + } + var objectFlags = ts.getObjectFlags(type); + if (objectFlags & 4 /* ObjectFlags.Reference */) { + ts.Debug.assert(!!(type.flags & 524288 /* TypeFlags.Object */)); + return type.node ? visitAndTransformType(type, typeReferenceToTypeNode) : typeReferenceToTypeNode(type); + } + if (type.flags & 262144 /* TypeFlags.TypeParameter */ || objectFlags & 3 /* ObjectFlags.ClassOrInterface */) { + if (type.flags & 262144 /* TypeFlags.TypeParameter */ && ts.contains(context.inferTypeParameters, type)) { + context.approximateLength += (ts.symbolName(type.symbol).length + 6); + var constraintNode = void 0; + var constraint = getConstraintOfTypeParameter(type); + if (constraint) { + // If the infer type has a constraint that is not the same as the constraint + // we would have normally inferred based on context, we emit the constraint + // using `infer T extends ?`. We omit inferred constraints from type references + // as they may be elided. + var inferredConstraint = getInferredTypeParameterConstraint(type, /*omitTypeReferences*/ true); + if (!(inferredConstraint && isTypeIdenticalTo(constraint, inferredConstraint))) { + context.approximateLength += 9; + constraintNode = constraint && typeToTypeNodeHelper(constraint, context); + } + } + return ts.factory.createInferTypeNode(typeParameterToDeclarationWithConstraint(type, context, constraintNode)); + } + if (context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */ && + type.flags & 262144 /* TypeFlags.TypeParameter */ && + !isTypeSymbolAccessible(type.symbol, context.enclosingDeclaration)) { + var name_2 = typeParameterToName(type, context); + context.approximateLength += ts.idText(name_2).length; + return ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(ts.idText(name_2)), /*typeArguments*/ undefined); + } + // Ignore constraint/default when creating a usage (as opposed to declaration) of a type parameter. + if (type.symbol) { + return symbolToTypeNode(type.symbol, context, 788968 /* SymbolFlags.Type */); + } + var name = (type === markerSuperType || type === markerSubType) && varianceTypeParameter && varianceTypeParameter.symbol ? + (type === markerSubType ? "sub-" : "super-") + ts.symbolName(varianceTypeParameter.symbol) : "?"; + return ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(name), /*typeArguments*/ undefined); + } + if (type.flags & 1048576 /* TypeFlags.Union */ && type.origin) { + type = type.origin; + } + if (type.flags & (1048576 /* TypeFlags.Union */ | 2097152 /* TypeFlags.Intersection */)) { + var types = type.flags & 1048576 /* TypeFlags.Union */ ? formatUnionTypes(type.types) : type.types; + if (ts.length(types) === 1) { + return typeToTypeNodeHelper(types[0], context); + } + var typeNodes = mapToTypeNodes(types, context, /*isBareList*/ true); + if (typeNodes && typeNodes.length > 0) { + return type.flags & 1048576 /* TypeFlags.Union */ ? ts.factory.createUnionTypeNode(typeNodes) : ts.factory.createIntersectionTypeNode(typeNodes); + } + else { + if (!context.encounteredError && !(context.flags & 262144 /* NodeBuilderFlags.AllowEmptyUnionOrIntersection */)) { + context.encounteredError = true; + } + return undefined; // TODO: GH#18217 + } + } + if (objectFlags & (16 /* ObjectFlags.Anonymous */ | 32 /* ObjectFlags.Mapped */)) { + ts.Debug.assert(!!(type.flags & 524288 /* TypeFlags.Object */)); + // The type is an object literal type. + return createAnonymousTypeNode(type); + } + if (type.flags & 4194304 /* TypeFlags.Index */) { + var indexedType = type.type; + context.approximateLength += 6; + var indexTypeNode = typeToTypeNodeHelper(indexedType, context); + return ts.factory.createTypeOperatorNode(140 /* SyntaxKind.KeyOfKeyword */, indexTypeNode); + } + if (type.flags & 134217728 /* TypeFlags.TemplateLiteral */) { + var texts_1 = type.texts; + var types_1 = type.types; + var templateHead = ts.factory.createTemplateHead(texts_1[0]); + var templateSpans = ts.factory.createNodeArray(ts.map(types_1, function (t, i) { return ts.factory.createTemplateLiteralTypeSpan(typeToTypeNodeHelper(t, context), (i < types_1.length - 1 ? ts.factory.createTemplateMiddle : ts.factory.createTemplateTail)(texts_1[i + 1])); })); + context.approximateLength += 2; + return ts.factory.createTemplateLiteralType(templateHead, templateSpans); + } + if (type.flags & 268435456 /* TypeFlags.StringMapping */) { + var typeNode = typeToTypeNodeHelper(type.type, context); + return symbolToTypeNode(type.symbol, context, 788968 /* SymbolFlags.Type */, [typeNode]); + } + if (type.flags & 8388608 /* TypeFlags.IndexedAccess */) { + var objectTypeNode = typeToTypeNodeHelper(type.objectType, context); + var indexTypeNode = typeToTypeNodeHelper(type.indexType, context); + context.approximateLength += 2; + return ts.factory.createIndexedAccessTypeNode(objectTypeNode, indexTypeNode); + } + if (type.flags & 16777216 /* TypeFlags.Conditional */) { + return visitAndTransformType(type, function (type) { return conditionalTypeToTypeNode(type); }); + } + if (type.flags & 33554432 /* TypeFlags.Substitution */) { + return typeToTypeNodeHelper(type.baseType, context); + } + return ts.Debug.fail("Should be unreachable."); + function conditionalTypeToTypeNode(type) { + var checkTypeNode = typeToTypeNodeHelper(type.checkType, context); + context.approximateLength += 15; + if (context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */ && type.root.isDistributive && !(type.checkType.flags & 262144 /* TypeFlags.TypeParameter */)) { + var newParam = createTypeParameter(createSymbol(262144 /* SymbolFlags.TypeParameter */, "T")); + var name = typeParameterToName(newParam, context); + var newTypeVariable = ts.factory.createTypeReferenceNode(name); + context.approximateLength += 37; // 15 each for two added conditionals, 7 for an added infer type + var newMapper = prependTypeMapping(type.root.checkType, newParam, type.combinedMapper || type.mapper); + var saveInferTypeParameters_1 = context.inferTypeParameters; + context.inferTypeParameters = type.root.inferTypeParameters; + var extendsTypeNode_1 = typeToTypeNodeHelper(instantiateType(type.root.extendsType, newMapper), context); + context.inferTypeParameters = saveInferTypeParameters_1; + var trueTypeNode_1 = typeToTypeNodeOrCircularityElision(instantiateType(getTypeFromTypeNode(type.root.node.trueType), newMapper)); + var falseTypeNode_1 = typeToTypeNodeOrCircularityElision(instantiateType(getTypeFromTypeNode(type.root.node.falseType), newMapper)); + // outermost conditional makes `T` a type parameter, allowing the inner conditionals to be distributive + // second conditional makes `T` have `T & checkType` substitution, so it is correctly usable as the checkType + // inner conditional runs the check the user provided on the check type (distributively) and returns the result + // checkType extends infer T ? T extends checkType ? T extends extendsType ? trueType : falseType : never : never; + // this is potentially simplifiable to + // checkType extends infer T ? T extends checkType & extendsType ? trueType : falseType : never; + // but that may confuse users who read the output more. + // On the other hand, + // checkType extends infer T extends checkType ? T extends extendsType ? trueType : falseType : never; + // may also work with `infer ... extends ...` in, but would produce declarations only compatible with the latest TS. + return ts.factory.createConditionalTypeNode(checkTypeNode, ts.factory.createInferTypeNode(ts.factory.createTypeParameterDeclaration(/*modifiers*/ undefined, ts.factory.cloneNode(newTypeVariable.typeName))), ts.factory.createConditionalTypeNode(ts.factory.createTypeReferenceNode(ts.factory.cloneNode(name)), typeToTypeNodeHelper(type.checkType, context), ts.factory.createConditionalTypeNode(newTypeVariable, extendsTypeNode_1, trueTypeNode_1, falseTypeNode_1), ts.factory.createKeywordTypeNode(143 /* SyntaxKind.NeverKeyword */)), ts.factory.createKeywordTypeNode(143 /* SyntaxKind.NeverKeyword */)); + } + var saveInferTypeParameters = context.inferTypeParameters; + context.inferTypeParameters = type.root.inferTypeParameters; + var extendsTypeNode = typeToTypeNodeHelper(type.extendsType, context); + context.inferTypeParameters = saveInferTypeParameters; + var trueTypeNode = typeToTypeNodeOrCircularityElision(getTrueTypeFromConditionalType(type)); + var falseTypeNode = typeToTypeNodeOrCircularityElision(getFalseTypeFromConditionalType(type)); + return ts.factory.createConditionalTypeNode(checkTypeNode, extendsTypeNode, trueTypeNode, falseTypeNode); + } + function typeToTypeNodeOrCircularityElision(type) { + var _a, _b, _c; + if (type.flags & 1048576 /* TypeFlags.Union */) { + if ((_a = context.visitedTypes) === null || _a === void 0 ? void 0 : _a.has(getTypeId(type))) { + if (!(context.flags & 131072 /* NodeBuilderFlags.AllowAnonymousIdentifier */)) { + context.encounteredError = true; + (_c = (_b = context.tracker) === null || _b === void 0 ? void 0 : _b.reportCyclicStructureError) === null || _c === void 0 ? void 0 : _c.call(_b); + } + return createElidedInformationPlaceholder(context); + } + return visitAndTransformType(type, function (type) { return typeToTypeNodeHelper(type, context); }); + } + return typeToTypeNodeHelper(type, context); + } + function createMappedTypeNodeFromType(type) { + ts.Debug.assert(!!(type.flags & 524288 /* TypeFlags.Object */)); + var readonlyToken = type.declaration.readonlyToken ? ts.factory.createToken(type.declaration.readonlyToken.kind) : undefined; + var questionToken = type.declaration.questionToken ? ts.factory.createToken(type.declaration.questionToken.kind) : undefined; + var appropriateConstraintTypeNode; + var newTypeVariable; + if (isMappedTypeWithKeyofConstraintDeclaration(type)) { + // We have a { [P in keyof T]: X } + // We do this to ensure we retain the toplevel keyof-ness of the type which may be lost due to keyof distribution during `getConstraintTypeFromMappedType` + if (!(getModifiersTypeFromMappedType(type).flags & 262144 /* TypeFlags.TypeParameter */) && context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */) { + var newParam = createTypeParameter(createSymbol(262144 /* SymbolFlags.TypeParameter */, "T")); + var name = typeParameterToName(newParam, context); + newTypeVariable = ts.factory.createTypeReferenceNode(name); + } + appropriateConstraintTypeNode = ts.factory.createTypeOperatorNode(140 /* SyntaxKind.KeyOfKeyword */, newTypeVariable || typeToTypeNodeHelper(getModifiersTypeFromMappedType(type), context)); + } + else { + appropriateConstraintTypeNode = typeToTypeNodeHelper(getConstraintTypeFromMappedType(type), context); + } + var typeParameterNode = typeParameterToDeclarationWithConstraint(getTypeParameterFromMappedType(type), context, appropriateConstraintTypeNode); + var nameTypeNode = type.declaration.nameType ? typeToTypeNodeHelper(getNameTypeFromMappedType(type), context) : undefined; + var templateTypeNode = typeToTypeNodeHelper(removeMissingType(getTemplateTypeFromMappedType(type), !!(getMappedTypeModifiers(type) & 4 /* MappedTypeModifiers.IncludeOptional */)), context); + var mappedTypeNode = ts.factory.createMappedTypeNode(readonlyToken, typeParameterNode, nameTypeNode, questionToken, templateTypeNode, /*members*/ undefined); + context.approximateLength += 10; + var result = ts.setEmitFlags(mappedTypeNode, 1 /* EmitFlags.SingleLine */); + if (isMappedTypeWithKeyofConstraintDeclaration(type) && !(getModifiersTypeFromMappedType(type).flags & 262144 /* TypeFlags.TypeParameter */) && context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */) { + // homomorphic mapped type with a non-homomorphic naive inlining + // wrap it with a conditional like `SomeModifiersType extends infer U ? {..the mapped type...} : never` to ensure the resulting + // type stays homomorphic + return ts.factory.createConditionalTypeNode(typeToTypeNodeHelper(getModifiersTypeFromMappedType(type), context), ts.factory.createInferTypeNode(ts.factory.createTypeParameterDeclaration(/*modifiers*/ undefined, ts.factory.cloneNode(newTypeVariable.typeName))), result, ts.factory.createKeywordTypeNode(143 /* SyntaxKind.NeverKeyword */)); + } + return result; + } + function createAnonymousTypeNode(type) { + var _a; + var typeId = type.id; + var symbol = type.symbol; + if (symbol) { + var isInstanceType = isClassInstanceSide(type) ? 788968 /* SymbolFlags.Type */ : 111551 /* SymbolFlags.Value */; + if (isJSConstructor(symbol.valueDeclaration)) { + // Instance and static types share the same symbol; only add 'typeof' for the static side. + return symbolToTypeNode(symbol, context, isInstanceType); + } + // Always use 'typeof T' for type of class, enum, and module objects + else if (symbol.flags & 32 /* SymbolFlags.Class */ + && !getBaseTypeVariableOfClass(symbol) + && !(symbol.valueDeclaration && symbol.valueDeclaration.kind === 226 /* SyntaxKind.ClassExpression */ && context.flags & 2048 /* NodeBuilderFlags.WriteClassExpressionAsTypeLiteral */) || + symbol.flags & (384 /* SymbolFlags.Enum */ | 512 /* SymbolFlags.ValueModule */) || + shouldWriteTypeOfFunctionSymbol()) { + return symbolToTypeNode(symbol, context, isInstanceType); + } + else if ((_a = context.visitedTypes) === null || _a === void 0 ? void 0 : _a.has(typeId)) { + // If type is an anonymous type literal in a type alias declaration, use type alias name + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + // The specified symbol flags need to be reinterpreted as type flags + return symbolToTypeNode(typeAlias, context, 788968 /* SymbolFlags.Type */); + } + else { + return createElidedInformationPlaceholder(context); + } + } + else { + return visitAndTransformType(type, createTypeNodeFromObjectType); + } + } + else { + // Anonymous types without a symbol are never circular. + return createTypeNodeFromObjectType(type); + } + function shouldWriteTypeOfFunctionSymbol() { + var _a; + var isStaticMethodSymbol = !!(symbol.flags & 8192 /* SymbolFlags.Method */) && // typeof static method + ts.some(symbol.declarations, function (declaration) { return ts.isStatic(declaration); }); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16 /* SymbolFlags.Function */) && + (symbol.parent || // is exported function symbol + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 305 /* SyntaxKind.SourceFile */ || declaration.parent.kind === 262 /* SyntaxKind.ModuleBlock */; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + // typeof is allowed only for static/non local functions + return (!!(context.flags & 4096 /* NodeBuilderFlags.UseTypeOfFunction */) || ((_a = context.visitedTypes) === null || _a === void 0 ? void 0 : _a.has(typeId))) && // it is type of the symbol uses itself recursively + (!(context.flags & 8 /* NodeBuilderFlags.UseStructuralFallback */) || isValueSymbolAccessible(symbol, context.enclosingDeclaration)); // And the build is going to succeed without visibility error or there is no structural fallback allowed + } + } + } + function visitAndTransformType(type, transform) { + var _a, _b; + var typeId = type.id; + var isConstructorObject = ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */ && type.symbol && type.symbol.flags & 32 /* SymbolFlags.Class */; + var id = ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ && type.node ? "N" + getNodeId(type.node) : + type.flags & 16777216 /* TypeFlags.Conditional */ ? "N" + getNodeId(type.root.node) : + type.symbol ? (isConstructorObject ? "+" : "") + getSymbolId(type.symbol) : + undefined; + // Since instantiations of the same anonymous type have the same symbol, tracking symbols instead + // of types allows us to catch circular references to instantiations of the same anonymous type + if (!context.visitedTypes) { + context.visitedTypes = new ts.Set(); + } + if (id && !context.symbolDepth) { + context.symbolDepth = new ts.Map(); + } + var links = context.enclosingDeclaration && getNodeLinks(context.enclosingDeclaration); + var key = "".concat(getTypeId(type), "|").concat(context.flags); + if (links) { + links.serializedTypes || (links.serializedTypes = new ts.Map()); + } + var cachedResult = (_a = links === null || links === void 0 ? void 0 : links.serializedTypes) === null || _a === void 0 ? void 0 : _a.get(key); + if (cachedResult) { + if (cachedResult.truncating) { + context.truncating = true; + } + context.approximateLength += cachedResult.addedLength; + return deepCloneOrReuseNode(cachedResult); + } + var depth; + if (id) { + depth = context.symbolDepth.get(id) || 0; + if (depth > 10) { + return createElidedInformationPlaceholder(context); + } + context.symbolDepth.set(id, depth + 1); + } + context.visitedTypes.add(typeId); + var startLength = context.approximateLength; + var result = transform(type); + var addedLength = context.approximateLength - startLength; + if (!context.reportedDiagnostic && !context.encounteredError) { + if (context.truncating) { + result.truncating = true; + } + result.addedLength = addedLength; + (_b = links === null || links === void 0 ? void 0 : links.serializedTypes) === null || _b === void 0 ? void 0 : _b.set(key, result); + } + context.visitedTypes.delete(typeId); + if (id) { + context.symbolDepth.set(id, depth); + } + return result; + function deepCloneOrReuseNode(node) { + if (!ts.nodeIsSynthesized(node) && ts.getParseTreeNode(node) === node) { + return node; + } + return ts.setTextRange(ts.factory.cloneNode(ts.visitEachChild(node, deepCloneOrReuseNode, ts.nullTransformationContext, deepCloneOrReuseNodes)), node); + } + function deepCloneOrReuseNodes(nodes, visitor, test, start, count) { + if (nodes && nodes.length === 0) { + // Ensure we explicitly make a copy of an empty array; visitNodes will not do this unless the array has elements, + // which can lead to us reusing the same empty NodeArray more than once within the same AST during type noding. + return ts.setTextRange(ts.factory.createNodeArray(/*nodes*/ undefined, nodes.hasTrailingComma), nodes); + } + return ts.visitNodes(nodes, visitor, test, start, count); + } + } + function createTypeNodeFromObjectType(type) { + if (isGenericMappedType(type) || type.containsError) { + return createMappedTypeNodeFromType(type); + } + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.indexInfos.length) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + context.approximateLength += 2; + return ts.setEmitFlags(ts.factory.createTypeLiteralNode(/*members*/ undefined), 1 /* EmitFlags.SingleLine */); + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + var signature = resolved.callSignatures[0]; + var signatureNode = signatureToSignatureDeclarationHelper(signature, 179 /* SyntaxKind.FunctionType */, context); + return signatureNode; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + var signature = resolved.constructSignatures[0]; + var signatureNode = signatureToSignatureDeclarationHelper(signature, 180 /* SyntaxKind.ConstructorType */, context); + return signatureNode; + } + } + var abstractSignatures = ts.filter(resolved.constructSignatures, function (signature) { return !!(signature.flags & 4 /* SignatureFlags.Abstract */); }); + if (ts.some(abstractSignatures)) { + var types = ts.map(abstractSignatures, getOrCreateTypeFromSignature); + // count the number of type elements excluding abstract constructors + var typeElementCount = resolved.callSignatures.length + + (resolved.constructSignatures.length - abstractSignatures.length) + + resolved.indexInfos.length + + // exclude `prototype` when writing a class expression as a type literal, as per + // the logic in `createTypeNodesFromResolvedType`. + (context.flags & 2048 /* NodeBuilderFlags.WriteClassExpressionAsTypeLiteral */ ? + ts.countWhere(resolved.properties, function (p) { return !(p.flags & 4194304 /* SymbolFlags.Prototype */); }) : + ts.length(resolved.properties)); + // don't include an empty object literal if there were no other static-side + // properties to write, i.e. `abstract class C { }` becomes `abstract new () => {}` + // and not `(abstract new () => {}) & {}` + if (typeElementCount) { + // create a copy of the object type without any abstract construct signatures. + types.push(getResolvedTypeWithoutAbstractConstructSignatures(resolved)); + } + return typeToTypeNodeHelper(getIntersectionType(types), context); + } + var savedFlags = context.flags; + context.flags |= 4194304 /* NodeBuilderFlags.InObjectTypeLiteral */; + var members = createTypeNodesFromResolvedType(resolved); + context.flags = savedFlags; + var typeLiteralNode = ts.factory.createTypeLiteralNode(members); + context.approximateLength += 2; + ts.setEmitFlags(typeLiteralNode, (context.flags & 1024 /* NodeBuilderFlags.MultilineObjectLiterals */) ? 0 : 1 /* EmitFlags.SingleLine */); + return typeLiteralNode; + } + function typeReferenceToTypeNode(type) { + var typeArguments = getTypeArguments(type); + if (type.target === globalArrayType || type.target === globalReadonlyArrayType) { + if (context.flags & 2 /* NodeBuilderFlags.WriteArrayAsGenericType */) { + var typeArgumentNode = typeToTypeNodeHelper(typeArguments[0], context); + return ts.factory.createTypeReferenceNode(type.target === globalArrayType ? "Array" : "ReadonlyArray", [typeArgumentNode]); + } + var elementType = typeToTypeNodeHelper(typeArguments[0], context); + var arrayType = ts.factory.createArrayTypeNode(elementType); + return type.target === globalArrayType ? arrayType : ts.factory.createTypeOperatorNode(145 /* SyntaxKind.ReadonlyKeyword */, arrayType); + } + else if (type.target.objectFlags & 8 /* ObjectFlags.Tuple */) { + typeArguments = ts.sameMap(typeArguments, function (t, i) { return removeMissingType(t, !!(type.target.elementFlags[i] & 2 /* ElementFlags.Optional */)); }); + if (typeArguments.length > 0) { + var arity = getTypeReferenceArity(type); + var tupleConstituentNodes = mapToTypeNodes(typeArguments.slice(0, arity), context); + if (tupleConstituentNodes) { + if (type.target.labeledElementDeclarations) { + for (var i = 0; i < tupleConstituentNodes.length; i++) { + var flags = type.target.elementFlags[i]; + tupleConstituentNodes[i] = ts.factory.createNamedTupleMember(flags & 12 /* ElementFlags.Variable */ ? ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */) : undefined, ts.factory.createIdentifier(ts.unescapeLeadingUnderscores(getTupleElementLabel(type.target.labeledElementDeclarations[i]))), flags & 2 /* ElementFlags.Optional */ ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, flags & 4 /* ElementFlags.Rest */ ? ts.factory.createArrayTypeNode(tupleConstituentNodes[i]) : + tupleConstituentNodes[i]); + } + } + else { + for (var i = 0; i < Math.min(arity, tupleConstituentNodes.length); i++) { + var flags = type.target.elementFlags[i]; + tupleConstituentNodes[i] = + flags & 12 /* ElementFlags.Variable */ ? ts.factory.createRestTypeNode(flags & 4 /* ElementFlags.Rest */ ? ts.factory.createArrayTypeNode(tupleConstituentNodes[i]) : tupleConstituentNodes[i]) : + flags & 2 /* ElementFlags.Optional */ ? ts.factory.createOptionalTypeNode(tupleConstituentNodes[i]) : + tupleConstituentNodes[i]; + } + } + var tupleTypeNode = ts.setEmitFlags(ts.factory.createTupleTypeNode(tupleConstituentNodes), 1 /* EmitFlags.SingleLine */); + return type.target.readonly ? ts.factory.createTypeOperatorNode(145 /* SyntaxKind.ReadonlyKeyword */, tupleTypeNode) : tupleTypeNode; + } + } + if (context.encounteredError || (context.flags & 524288 /* NodeBuilderFlags.AllowEmptyTuple */)) { + var tupleTypeNode = ts.setEmitFlags(ts.factory.createTupleTypeNode([]), 1 /* EmitFlags.SingleLine */); + return type.target.readonly ? ts.factory.createTypeOperatorNode(145 /* SyntaxKind.ReadonlyKeyword */, tupleTypeNode) : tupleTypeNode; + } + context.encounteredError = true; + return undefined; // TODO: GH#18217 + } + else if (context.flags & 2048 /* NodeBuilderFlags.WriteClassExpressionAsTypeLiteral */ && + type.symbol.valueDeclaration && + ts.isClassLike(type.symbol.valueDeclaration) && + !isValueSymbolAccessible(type.symbol, context.enclosingDeclaration)) { + return createAnonymousTypeNode(type); + } + else { + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + var resultType = void 0; + if (outerTypeParameters) { + var length_2 = outerTypeParameters.length; + while (i < length_2) { + // Find group of type arguments for type parameters with the same declaring container. + var start = i; + var parent = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_2 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent); + // When type parameters are their own type arguments for the whole group (i.e. we have + // the default outer type arguments), we don't show the group. + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + var typeArgumentSlice = mapToTypeNodes(typeArguments.slice(start, i), context); + var flags_3 = context.flags; + context.flags |= 16 /* NodeBuilderFlags.ForbidIndexedAccessSymbolReferences */; + var ref = symbolToTypeNode(parent, context, 788968 /* SymbolFlags.Type */, typeArgumentSlice); + context.flags = flags_3; + resultType = !resultType ? ref : appendReferenceToType(resultType, ref); + } + } + } + var typeArgumentNodes = void 0; + if (typeArguments.length > 0) { + var typeParameterCount = (type.target.typeParameters || ts.emptyArray).length; + typeArgumentNodes = mapToTypeNodes(typeArguments.slice(i, typeParameterCount), context); + } + var flags = context.flags; + context.flags |= 16 /* NodeBuilderFlags.ForbidIndexedAccessSymbolReferences */; + var finalRef = symbolToTypeNode(type.symbol, context, 788968 /* SymbolFlags.Type */, typeArgumentNodes); + context.flags = flags; + return !resultType ? finalRef : appendReferenceToType(resultType, finalRef); + } + } + function appendReferenceToType(root, ref) { + if (ts.isImportTypeNode(root)) { + // first shift type arguments + var typeArguments = root.typeArguments; + var qualifier = root.qualifier; + if (qualifier) { + if (ts.isIdentifier(qualifier)) { + qualifier = ts.factory.updateIdentifier(qualifier, typeArguments); + } + else { + qualifier = ts.factory.updateQualifiedName(qualifier, qualifier.left, ts.factory.updateIdentifier(qualifier.right, typeArguments)); + } + } + typeArguments = ref.typeArguments; + // then move qualifiers + var ids = getAccessStack(ref); + for (var _i = 0, ids_1 = ids; _i < ids_1.length; _i++) { + var id = ids_1[_i]; + qualifier = qualifier ? ts.factory.createQualifiedName(qualifier, id) : id; + } + return ts.factory.updateImportTypeNode(root, root.argument, qualifier, typeArguments, root.isTypeOf); + } + else { + // first shift type arguments + var typeArguments = root.typeArguments; + var typeName = root.typeName; + if (ts.isIdentifier(typeName)) { + typeName = ts.factory.updateIdentifier(typeName, typeArguments); + } + else { + typeName = ts.factory.updateQualifiedName(typeName, typeName.left, ts.factory.updateIdentifier(typeName.right, typeArguments)); + } + typeArguments = ref.typeArguments; + // then move qualifiers + var ids = getAccessStack(ref); + for (var _a = 0, ids_2 = ids; _a < ids_2.length; _a++) { + var id = ids_2[_a]; + typeName = ts.factory.createQualifiedName(typeName, id); + } + return ts.factory.updateTypeReferenceNode(root, typeName, typeArguments); + } + } + function getAccessStack(ref) { + var state = ref.typeName; + var ids = []; + while (!ts.isIdentifier(state)) { + ids.unshift(state.right); + state = state.left; + } + ids.unshift(state); + return ids; + } + function createTypeNodesFromResolvedType(resolvedType) { + if (checkTruncationLength(context)) { + return [ts.factory.createPropertySignature(/*modifiers*/ undefined, "...", /*questionToken*/ undefined, /*type*/ undefined)]; + } + var typeElements = []; + for (var _i = 0, _a = resolvedType.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + typeElements.push(signatureToSignatureDeclarationHelper(signature, 174 /* SyntaxKind.CallSignature */, context)); + } + for (var _b = 0, _c = resolvedType.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + if (signature.flags & 4 /* SignatureFlags.Abstract */) + continue; + typeElements.push(signatureToSignatureDeclarationHelper(signature, 175 /* SyntaxKind.ConstructSignature */, context)); + } + for (var _d = 0, _e = resolvedType.indexInfos; _d < _e.length; _d++) { + var info = _e[_d]; + typeElements.push(indexInfoToIndexSignatureDeclarationHelper(info, context, resolvedType.objectFlags & 1024 /* ObjectFlags.ReverseMapped */ ? createElidedInformationPlaceholder(context) : undefined)); + } + var properties = resolvedType.properties; + if (!properties) { + return typeElements; + } + var i = 0; + for (var _f = 0, properties_1 = properties; _f < properties_1.length; _f++) { + var propertySymbol = properties_1[_f]; + i++; + if (context.flags & 2048 /* NodeBuilderFlags.WriteClassExpressionAsTypeLiteral */) { + if (propertySymbol.flags & 4194304 /* SymbolFlags.Prototype */) { + continue; + } + if (ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & (8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */) && context.tracker.reportPrivateInBaseOfClassExpression) { + context.tracker.reportPrivateInBaseOfClassExpression(ts.unescapeLeadingUnderscores(propertySymbol.escapedName)); + } + } + if (checkTruncationLength(context) && (i + 2 < properties.length - 1)) { + typeElements.push(ts.factory.createPropertySignature(/*modifiers*/ undefined, "... ".concat(properties.length - i, " more ..."), /*questionToken*/ undefined, /*type*/ undefined)); + addPropertyToElementList(properties[properties.length - 1], context, typeElements); + break; + } + addPropertyToElementList(propertySymbol, context, typeElements); + } + return typeElements.length ? typeElements : undefined; + } + } + function createElidedInformationPlaceholder(context) { + context.approximateLength += 3; + if (!(context.flags & 1 /* NodeBuilderFlags.NoTruncation */)) { + return ts.factory.createTypeReferenceNode(ts.factory.createIdentifier("..."), /*typeArguments*/ undefined); + } + return ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + function shouldUsePlaceholderForProperty(propertySymbol, context) { + var _a; + // Use placeholders for reverse mapped types we've either already descended into, or which + // are nested reverse mappings within a mapping over a non-anonymous type. The later is a restriction mostly just to + // reduce the blowup in printback size from doing, eg, a deep reverse mapping over `Window`. + // Since anonymous types usually come from expressions, this allows us to preserve the output + // for deep mappings which likely come from expressions, while truncating those parts which + // come from mappings over library functions. + return !!(ts.getCheckFlags(propertySymbol) & 8192 /* CheckFlags.ReverseMapped */) + && (ts.contains(context.reverseMappedStack, propertySymbol) + || (((_a = context.reverseMappedStack) === null || _a === void 0 ? void 0 : _a[0]) + && !(ts.getObjectFlags(ts.last(context.reverseMappedStack).propertyType) & 16 /* ObjectFlags.Anonymous */))); + } + function addPropertyToElementList(propertySymbol, context, typeElements) { + var _a, _b; + var propertyIsReverseMapped = !!(ts.getCheckFlags(propertySymbol) & 8192 /* CheckFlags.ReverseMapped */); + var propertyType = shouldUsePlaceholderForProperty(propertySymbol, context) ? + anyType : getNonMissingTypeOfSymbol(propertySymbol); + var saveEnclosingDeclaration = context.enclosingDeclaration; + context.enclosingDeclaration = undefined; + if (context.tracker.trackSymbol && ts.getCheckFlags(propertySymbol) & 4096 /* CheckFlags.Late */ && isLateBoundName(propertySymbol.escapedName)) { + if (propertySymbol.declarations) { + var decl = ts.first(propertySymbol.declarations); + if (hasLateBindableName(decl)) { + if (ts.isBinaryExpression(decl)) { + var name = ts.getNameOfDeclaration(decl); + if (name && ts.isElementAccessExpression(name) && ts.isPropertyAccessEntityNameExpression(name.argumentExpression)) { + trackComputedName(name.argumentExpression, saveEnclosingDeclaration, context); + } + } + else { + trackComputedName(decl.name.expression, saveEnclosingDeclaration, context); + } + } + } + else if ((_a = context.tracker) === null || _a === void 0 ? void 0 : _a.reportNonSerializableProperty) { + context.tracker.reportNonSerializableProperty(symbolToString(propertySymbol)); + } + } + context.enclosingDeclaration = propertySymbol.valueDeclaration || ((_b = propertySymbol.declarations) === null || _b === void 0 ? void 0 : _b[0]) || saveEnclosingDeclaration; + var propertyName = getPropertyNameNodeForSymbol(propertySymbol, context); + context.enclosingDeclaration = saveEnclosingDeclaration; + context.approximateLength += (ts.symbolName(propertySymbol).length + 1); + var optionalToken = propertySymbol.flags & 16777216 /* SymbolFlags.Optional */ ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined; + if (propertySymbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */) && !getPropertiesOfObjectType(propertyType).length && !isReadonlySymbol(propertySymbol)) { + var signatures = getSignaturesOfType(filterType(propertyType, function (t) { return !(t.flags & 32768 /* TypeFlags.Undefined */); }), 0 /* SignatureKind.Call */); + for (var _i = 0, signatures_1 = signatures; _i < signatures_1.length; _i++) { + var signature = signatures_1[_i]; + var methodDeclaration = signatureToSignatureDeclarationHelper(signature, 168 /* SyntaxKind.MethodSignature */, context, { name: propertyName, questionToken: optionalToken }); + typeElements.push(preserveCommentsOn(methodDeclaration)); + } + } + else { + var propertyTypeNode = void 0; + if (shouldUsePlaceholderForProperty(propertySymbol, context)) { + propertyTypeNode = createElidedInformationPlaceholder(context); + } + else { + if (propertyIsReverseMapped) { + context.reverseMappedStack || (context.reverseMappedStack = []); + context.reverseMappedStack.push(propertySymbol); + } + propertyTypeNode = propertyType ? serializeTypeForDeclaration(context, propertyType, propertySymbol, saveEnclosingDeclaration) : ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + if (propertyIsReverseMapped) { + context.reverseMappedStack.pop(); + } + } + var modifiers = isReadonlySymbol(propertySymbol) ? [ts.factory.createToken(145 /* SyntaxKind.ReadonlyKeyword */)] : undefined; + if (modifiers) { + context.approximateLength += 9; + } + var propertySignature = ts.factory.createPropertySignature(modifiers, propertyName, optionalToken, propertyTypeNode); + typeElements.push(preserveCommentsOn(propertySignature)); + } + function preserveCommentsOn(node) { + var _a; + if (ts.some(propertySymbol.declarations, function (d) { return d.kind === 347 /* SyntaxKind.JSDocPropertyTag */; })) { + var d = (_a = propertySymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return d.kind === 347 /* SyntaxKind.JSDocPropertyTag */; }); + var commentText = ts.getTextOfJSDocComment(d.comment); + if (commentText) { + ts.setSyntheticLeadingComments(node, [{ kind: 3 /* SyntaxKind.MultiLineCommentTrivia */, text: "*\n * " + commentText.replace(/\n/g, "\n * ") + "\n ", pos: -1, end: -1, hasTrailingNewLine: true }]); + } + } + else if (propertySymbol.valueDeclaration) { + // Copy comments to node for declaration emit + ts.setCommentRange(node, propertySymbol.valueDeclaration); + } + return node; + } + } + function mapToTypeNodes(types, context, isBareList) { + if (ts.some(types)) { + if (checkTruncationLength(context)) { + if (!isBareList) { + return [ts.factory.createTypeReferenceNode("...", /*typeArguments*/ undefined)]; + } + else if (types.length > 2) { + return [ + typeToTypeNodeHelper(types[0], context), + ts.factory.createTypeReferenceNode("... ".concat(types.length - 2, " more ..."), /*typeArguments*/ undefined), + typeToTypeNodeHelper(types[types.length - 1], context) + ]; + } + } + var mayHaveNameCollisions = !(context.flags & 64 /* NodeBuilderFlags.UseFullyQualifiedType */); + /** Map from type reference identifier text to [type, index in `result` where the type node is] */ + var seenNames = mayHaveNameCollisions ? ts.createUnderscoreEscapedMultiMap() : undefined; + var result_5 = []; + var i = 0; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var type = types_2[_i]; + i++; + if (checkTruncationLength(context) && (i + 2 < types.length - 1)) { + result_5.push(ts.factory.createTypeReferenceNode("... ".concat(types.length - i, " more ..."), /*typeArguments*/ undefined)); + var typeNode_1 = typeToTypeNodeHelper(types[types.length - 1], context); + if (typeNode_1) { + result_5.push(typeNode_1); + } + break; + } + context.approximateLength += 2; // Account for whitespace + separator + var typeNode = typeToTypeNodeHelper(type, context); + if (typeNode) { + result_5.push(typeNode); + if (seenNames && ts.isIdentifierTypeReference(typeNode)) { + seenNames.add(typeNode.typeName.escapedText, [type, result_5.length - 1]); + } + } + } + if (seenNames) { + // To avoid printing types like `[Foo, Foo]` or `Bar & Bar` where + // occurrences of the same name actually come from different + // namespaces, go through the single-identifier type reference nodes + // we just generated, and see if any names were generated more than + // once while referring to different types. If so, regenerate the + // type node for each entry by that name with the + // `UseFullyQualifiedType` flag enabled. + var saveContextFlags = context.flags; + context.flags |= 64 /* NodeBuilderFlags.UseFullyQualifiedType */; + seenNames.forEach(function (types) { + if (!ts.arrayIsHomogeneous(types, function (_a, _b) { + var a = _a[0]; + var b = _b[0]; + return typesAreSameReference(a, b); + })) { + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var _a = types_3[_i], type = _a[0], resultIndex = _a[1]; + result_5[resultIndex] = typeToTypeNodeHelper(type, context); + } + } + }); + context.flags = saveContextFlags; + } + return result_5; + } + } + function typesAreSameReference(a, b) { + return a === b + || !!a.symbol && a.symbol === b.symbol + || !!a.aliasSymbol && a.aliasSymbol === b.aliasSymbol; + } + function indexInfoToIndexSignatureDeclarationHelper(indexInfo, context, typeNode) { + var name = ts.getNameFromIndexInfo(indexInfo) || "x"; + var indexerTypeNode = typeToTypeNodeHelper(indexInfo.keyType, context); + var indexingParameter = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, name, + /*questionToken*/ undefined, indexerTypeNode, + /*initializer*/ undefined); + if (!typeNode) { + typeNode = typeToTypeNodeHelper(indexInfo.type || anyType, context); + } + if (!indexInfo.type && !(context.flags & 2097152 /* NodeBuilderFlags.AllowEmptyIndexInfoType */)) { + context.encounteredError = true; + } + context.approximateLength += (name.length + 4); + return ts.factory.createIndexSignature( + /*decorators*/ undefined, indexInfo.isReadonly ? [ts.factory.createToken(145 /* SyntaxKind.ReadonlyKeyword */)] : undefined, [indexingParameter], typeNode); + } + function signatureToSignatureDeclarationHelper(signature, kind, context, options) { + var _a, _b, _c, _d; + var suppressAny = context.flags & 256 /* NodeBuilderFlags.SuppressAnyReturnType */; + if (suppressAny) + context.flags &= ~256 /* NodeBuilderFlags.SuppressAnyReturnType */; // suppress only toplevel `any`s + context.approximateLength += 3; // Usually a signature contributes a few more characters than this, but 3 is the minimum + var typeParameters; + var typeArguments; + if (context.flags & 32 /* NodeBuilderFlags.WriteTypeArgumentsOfSignature */ && signature.target && signature.mapper && signature.target.typeParameters) { + typeArguments = signature.target.typeParameters.map(function (parameter) { return typeToTypeNodeHelper(instantiateType(parameter, signature.mapper), context); }); + } + else { + typeParameters = signature.typeParameters && signature.typeParameters.map(function (parameter) { return typeParameterToDeclaration(parameter, context); }); + } + var expandedParams = getExpandedParameters(signature, /*skipUnionExpanding*/ true)[0]; + // If the expanded parameter list had a variadic in a non-trailing position, don't expand it + var parameters = (ts.some(expandedParams, function (p) { return p !== expandedParams[expandedParams.length - 1] && !!(ts.getCheckFlags(p) & 32768 /* CheckFlags.RestParameter */); }) ? signature.parameters : expandedParams).map(function (parameter) { return symbolToParameterDeclaration(parameter, context, kind === 171 /* SyntaxKind.Constructor */, options === null || options === void 0 ? void 0 : options.privateSymbolVisitor, options === null || options === void 0 ? void 0 : options.bundledImports); }); + var thisParameter = tryGetThisParameterDeclaration(signature, context); + if (thisParameter) { + parameters.unshift(thisParameter); + } + var returnTypeNode; + var typePredicate = getTypePredicateOfSignature(signature); + if (typePredicate) { + var assertsModifier = typePredicate.kind === 2 /* TypePredicateKind.AssertsThis */ || typePredicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ ? + ts.factory.createToken(128 /* SyntaxKind.AssertsKeyword */) : + undefined; + var parameterName = typePredicate.kind === 1 /* TypePredicateKind.Identifier */ || typePredicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ ? + ts.setEmitFlags(ts.factory.createIdentifier(typePredicate.parameterName), 16777216 /* EmitFlags.NoAsciiEscaping */) : + ts.factory.createThisTypeNode(); + var typeNode = typePredicate.type && typeToTypeNodeHelper(typePredicate.type, context); + returnTypeNode = ts.factory.createTypePredicateNode(assertsModifier, parameterName, typeNode); + } + else { + var returnType = getReturnTypeOfSignature(signature); + if (returnType && !(suppressAny && isTypeAny(returnType))) { + returnTypeNode = serializeReturnTypeForSignature(context, returnType, signature, options === null || options === void 0 ? void 0 : options.privateSymbolVisitor, options === null || options === void 0 ? void 0 : options.bundledImports); + } + else if (!suppressAny) { + returnTypeNode = ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + } + var modifiers = options === null || options === void 0 ? void 0 : options.modifiers; + if ((kind === 180 /* SyntaxKind.ConstructorType */) && signature.flags & 4 /* SignatureFlags.Abstract */) { + var flags = ts.modifiersToFlags(modifiers); + modifiers = ts.factory.createModifiersFromModifierFlags(flags | 128 /* ModifierFlags.Abstract */); + } + var node = kind === 174 /* SyntaxKind.CallSignature */ ? ts.factory.createCallSignature(typeParameters, parameters, returnTypeNode) : + kind === 175 /* SyntaxKind.ConstructSignature */ ? ts.factory.createConstructSignature(typeParameters, parameters, returnTypeNode) : + kind === 168 /* SyntaxKind.MethodSignature */ ? ts.factory.createMethodSignature(modifiers, (_a = options === null || options === void 0 ? void 0 : options.name) !== null && _a !== void 0 ? _a : ts.factory.createIdentifier(""), options === null || options === void 0 ? void 0 : options.questionToken, typeParameters, parameters, returnTypeNode) : + kind === 169 /* SyntaxKind.MethodDeclaration */ ? ts.factory.createMethodDeclaration(/*decorators*/ undefined, modifiers, /*asteriskToken*/ undefined, (_b = options === null || options === void 0 ? void 0 : options.name) !== null && _b !== void 0 ? _b : ts.factory.createIdentifier(""), /*questionToken*/ undefined, typeParameters, parameters, returnTypeNode, /*body*/ undefined) : + kind === 171 /* SyntaxKind.Constructor */ ? ts.factory.createConstructorDeclaration(/*decorators*/ undefined, modifiers, parameters, /*body*/ undefined) : + kind === 172 /* SyntaxKind.GetAccessor */ ? ts.factory.createGetAccessorDeclaration(/*decorators*/ undefined, modifiers, (_c = options === null || options === void 0 ? void 0 : options.name) !== null && _c !== void 0 ? _c : ts.factory.createIdentifier(""), parameters, returnTypeNode, /*body*/ undefined) : + kind === 173 /* SyntaxKind.SetAccessor */ ? ts.factory.createSetAccessorDeclaration(/*decorators*/ undefined, modifiers, (_d = options === null || options === void 0 ? void 0 : options.name) !== null && _d !== void 0 ? _d : ts.factory.createIdentifier(""), parameters, /*body*/ undefined) : + kind === 176 /* SyntaxKind.IndexSignature */ ? ts.factory.createIndexSignature(/*decorators*/ undefined, modifiers, parameters, returnTypeNode) : + kind === 317 /* SyntaxKind.JSDocFunctionType */ ? ts.factory.createJSDocFunctionType(parameters, returnTypeNode) : + kind === 179 /* SyntaxKind.FunctionType */ ? ts.factory.createFunctionTypeNode(typeParameters, parameters, returnTypeNode !== null && returnTypeNode !== void 0 ? returnTypeNode : ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(""))) : + kind === 180 /* SyntaxKind.ConstructorType */ ? ts.factory.createConstructorTypeNode(modifiers, typeParameters, parameters, returnTypeNode !== null && returnTypeNode !== void 0 ? returnTypeNode : ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(""))) : + kind === 256 /* SyntaxKind.FunctionDeclaration */ ? ts.factory.createFunctionDeclaration(/*decorators*/ undefined, modifiers, /*asteriskToken*/ undefined, (options === null || options === void 0 ? void 0 : options.name) ? ts.cast(options.name, ts.isIdentifier) : ts.factory.createIdentifier(""), typeParameters, parameters, returnTypeNode, /*body*/ undefined) : + kind === 213 /* SyntaxKind.FunctionExpression */ ? ts.factory.createFunctionExpression(modifiers, /*asteriskToken*/ undefined, (options === null || options === void 0 ? void 0 : options.name) ? ts.cast(options.name, ts.isIdentifier) : ts.factory.createIdentifier(""), typeParameters, parameters, returnTypeNode, ts.factory.createBlock([])) : + kind === 214 /* SyntaxKind.ArrowFunction */ ? ts.factory.createArrowFunction(modifiers, typeParameters, parameters, returnTypeNode, /*equalsGreaterThanToken*/ undefined, ts.factory.createBlock([])) : + ts.Debug.assertNever(kind); + if (typeArguments) { + node.typeArguments = ts.factory.createNodeArray(typeArguments); + } + return node; + } + function tryGetThisParameterDeclaration(signature, context) { + if (signature.thisParameter) { + return symbolToParameterDeclaration(signature.thisParameter, context); + } + if (signature.declaration) { + var thisTag = ts.getJSDocThisTag(signature.declaration); + if (thisTag && thisTag.typeExpression) { + return ts.factory.createParameterDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, + /* dotDotDotToken */ undefined, "this", + /* questionToken */ undefined, typeToTypeNodeHelper(getTypeFromTypeNode(thisTag.typeExpression), context)); + } + } + } + function typeParameterToDeclarationWithConstraint(type, context, constraintNode) { + var savedContextFlags = context.flags; + context.flags &= ~512 /* NodeBuilderFlags.WriteTypeParametersInQualifiedName */; // Avoids potential infinite loop when building for a claimspace with a generic + var modifiers = ts.factory.createModifiersFromModifierFlags(getVarianceModifiers(type)); + var name = typeParameterToName(type, context); + var defaultParameter = getDefaultFromTypeParameter(type); + var defaultParameterNode = defaultParameter && typeToTypeNodeHelper(defaultParameter, context); + context.flags = savedContextFlags; + return ts.factory.createTypeParameterDeclaration(modifiers, name, constraintNode, defaultParameterNode); + } + function typeParameterToDeclaration(type, context, constraint) { + if (constraint === void 0) { constraint = getConstraintOfTypeParameter(type); } + var constraintNode = constraint && typeToTypeNodeHelper(constraint, context); + return typeParameterToDeclarationWithConstraint(type, context, constraintNode); + } + function symbolToParameterDeclaration(parameterSymbol, context, preserveModifierFlags, privateSymbolVisitor, bundledImports) { + var parameterDeclaration = ts.getDeclarationOfKind(parameterSymbol, 164 /* SyntaxKind.Parameter */); + if (!parameterDeclaration && !ts.isTransientSymbol(parameterSymbol)) { + parameterDeclaration = ts.getDeclarationOfKind(parameterSymbol, 340 /* SyntaxKind.JSDocParameterTag */); + } + var parameterType = getTypeOfSymbol(parameterSymbol); + if (parameterDeclaration && isRequiredInitializedParameter(parameterDeclaration)) { + parameterType = getOptionalType(parameterType); + } + var parameterTypeNode = serializeTypeForDeclaration(context, parameterType, parameterSymbol, context.enclosingDeclaration, privateSymbolVisitor, bundledImports); + var modifiers = !(context.flags & 8192 /* NodeBuilderFlags.OmitParameterModifiers */) && preserveModifierFlags && parameterDeclaration && parameterDeclaration.modifiers ? parameterDeclaration.modifiers.map(ts.factory.cloneNode) : undefined; + var isRest = parameterDeclaration && ts.isRestParameter(parameterDeclaration) || ts.getCheckFlags(parameterSymbol) & 32768 /* CheckFlags.RestParameter */; + var dotDotDotToken = isRest ? ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */) : undefined; + var name = parameterDeclaration ? parameterDeclaration.name ? + parameterDeclaration.name.kind === 79 /* SyntaxKind.Identifier */ ? ts.setEmitFlags(ts.factory.cloneNode(parameterDeclaration.name), 16777216 /* EmitFlags.NoAsciiEscaping */) : + parameterDeclaration.name.kind === 161 /* SyntaxKind.QualifiedName */ ? ts.setEmitFlags(ts.factory.cloneNode(parameterDeclaration.name.right), 16777216 /* EmitFlags.NoAsciiEscaping */) : + cloneBindingName(parameterDeclaration.name) : + ts.symbolName(parameterSymbol) : + ts.symbolName(parameterSymbol); + var isOptional = parameterDeclaration && isOptionalParameter(parameterDeclaration) || ts.getCheckFlags(parameterSymbol) & 16384 /* CheckFlags.OptionalParameter */; + var questionToken = isOptional ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined; + var parameterNode = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, modifiers, dotDotDotToken, name, questionToken, parameterTypeNode, + /*initializer*/ undefined); + context.approximateLength += ts.symbolName(parameterSymbol).length + 3; + return parameterNode; + function cloneBindingName(node) { + return elideInitializerAndSetEmitFlags(node); + function elideInitializerAndSetEmitFlags(node) { + if (context.tracker.trackSymbol && ts.isComputedPropertyName(node) && isLateBindableName(node)) { + trackComputedName(node.expression, context.enclosingDeclaration, context); + } + var visited = ts.visitEachChild(node, elideInitializerAndSetEmitFlags, ts.nullTransformationContext, /*nodesVisitor*/ undefined, elideInitializerAndSetEmitFlags); + if (ts.isBindingElement(visited)) { + visited = ts.factory.updateBindingElement(visited, visited.dotDotDotToken, visited.propertyName, visited.name, + /*initializer*/ undefined); + } + if (!ts.nodeIsSynthesized(visited)) { + visited = ts.factory.cloneNode(visited); + } + return ts.setEmitFlags(visited, 1 /* EmitFlags.SingleLine */ | 16777216 /* EmitFlags.NoAsciiEscaping */); + } + } + } + function trackComputedName(accessExpression, enclosingDeclaration, context) { + if (!context.tracker.trackSymbol) + return; + // get symbol of the first identifier of the entityName + var firstIdentifier = ts.getFirstIdentifier(accessExpression); + var name = resolveName(firstIdentifier, firstIdentifier.escapedText, 111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true); + if (name) { + context.tracker.trackSymbol(name, enclosingDeclaration, 111551 /* SymbolFlags.Value */); + } + } + function lookupSymbolChain(symbol, context, meaning, yieldModuleSymbol) { + context.tracker.trackSymbol(symbol, context.enclosingDeclaration, meaning); // TODO: GH#18217 + return lookupSymbolChainWorker(symbol, context, meaning, yieldModuleSymbol); + } + function lookupSymbolChainWorker(symbol, context, meaning, yieldModuleSymbol) { + // Try to get qualified name if the symbol is not a type parameter and there is an enclosing declaration. + var chain; + var isTypeParameter = symbol.flags & 262144 /* SymbolFlags.TypeParameter */; + if (!isTypeParameter && (context.enclosingDeclaration || context.flags & 64 /* NodeBuilderFlags.UseFullyQualifiedType */) && !(context.flags & 134217728 /* NodeBuilderFlags.DoNotIncludeSymbolChain */)) { + chain = ts.Debug.checkDefined(getSymbolChain(symbol, meaning, /*endOfChain*/ true)); + ts.Debug.assert(chain && chain.length > 0); + } + else { + chain = [symbol]; + } + return chain; + /** @param endOfChain Set to false for recursive calls; non-recursive calls should always output something. */ + function getSymbolChain(symbol, meaning, endOfChain) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, context.enclosingDeclaration, meaning, !!(context.flags & 128 /* NodeBuilderFlags.UseOnlyExternalAliasing */)); + var parentSpecifiers; + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], context.enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + // Go up and add our parent. + var parents_1 = getContainersOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol, context.enclosingDeclaration, meaning); + if (ts.length(parents_1)) { + parentSpecifiers = parents_1.map(function (symbol) { + return ts.some(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol) + ? getSpecifierForModuleSymbol(symbol, context) + : undefined; + }); + var indices = parents_1.map(function (_, i) { return i; }); + indices.sort(sortByBestName); + var sortedParents = indices.map(function (i) { return parents_1[i]; }); + for (var _i = 0, sortedParents_1 = sortedParents; _i < sortedParents_1.length; _i++) { + var parent = sortedParents_1[_i]; + var parentChain = getSymbolChain(parent, getQualifiedLeftMeaning(meaning), /*endOfChain*/ false); + if (parentChain) { + if (parent.exports && parent.exports.get("export=" /* InternalSymbolName.ExportEquals */) && + getSymbolIfSameReference(parent.exports.get("export=" /* InternalSymbolName.ExportEquals */), symbol)) { + // parentChain root _is_ symbol - symbol is a module export=, so it kinda looks like it's own parent + // No need to lookup an alias for the symbol in itself + accessibleSymbolChain = parentChain; + break; + } + accessibleSymbolChain = parentChain.concat(accessibleSymbolChain || [getAliasForSymbolInContainer(parent, symbol) || symbol]); + break; + } + } + } + } + if (accessibleSymbolChain) { + return accessibleSymbolChain; + } + if ( + // If this is the last part of outputting the symbol, always output. The cases apply only to parent symbols. + endOfChain || + // If a parent symbol is an anonymous type, don't write it. + !(symbol.flags & (2048 /* SymbolFlags.TypeLiteral */ | 4096 /* SymbolFlags.ObjectLiteral */))) { + // If a parent symbol is an external module, don't write it. (We prefer just `x` vs `"foo/bar".x`.) + if (!endOfChain && !yieldModuleSymbol && !!ts.forEach(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)) { + return; + } + return [symbol]; + } + function sortByBestName(a, b) { + var specifierA = parentSpecifiers[a]; + var specifierB = parentSpecifiers[b]; + if (specifierA && specifierB) { + var isBRelative = ts.pathIsRelative(specifierB); + if (ts.pathIsRelative(specifierA) === isBRelative) { + // Both relative or both non-relative, sort by number of parts + return ts.moduleSpecifiers.countPathComponents(specifierA) - ts.moduleSpecifiers.countPathComponents(specifierB); + } + if (isBRelative) { + // A is non-relative, B is relative: prefer A + return -1; + } + // A is relative, B is non-relative: prefer B + return 1; + } + return 0; + } + } + } + function typeParametersToTypeParameterDeclarations(symbol, context) { + var typeParameterNodes; + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */ | 524288 /* SymbolFlags.TypeAlias */)) { + typeParameterNodes = ts.factory.createNodeArray(ts.map(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), function (tp) { return typeParameterToDeclaration(tp, context); })); + } + return typeParameterNodes; + } + function lookupTypeParameterNodes(chain, index, context) { + var _a; + ts.Debug.assert(chain && 0 <= index && index < chain.length); + var symbol = chain[index]; + var symbolId = getSymbolId(symbol); + if ((_a = context.typeParameterSymbolList) === null || _a === void 0 ? void 0 : _a.has(symbolId)) { + return undefined; + } + (context.typeParameterSymbolList || (context.typeParameterSymbolList = new ts.Set())).add(symbolId); + var typeParameterNodes; + if (context.flags & 512 /* NodeBuilderFlags.WriteTypeParametersInQualifiedName */ && index < (chain.length - 1)) { + var parentSymbol = symbol; + var nextSymbol_1 = chain[index + 1]; + if (ts.getCheckFlags(nextSymbol_1) & 1 /* CheckFlags.Instantiated */) { + var params = getTypeParametersOfClassOrInterface(parentSymbol.flags & 2097152 /* SymbolFlags.Alias */ ? resolveAlias(parentSymbol) : parentSymbol); + typeParameterNodes = mapToTypeNodes(ts.map(params, function (t) { return getMappedType(t, nextSymbol_1.mapper); }), context); + } + else { + typeParameterNodes = typeParametersToTypeParameterDeclarations(symbol, context); + } + } + return typeParameterNodes; + } + /** + * Given A[B][C][D], finds A[B] + */ + function getTopmostIndexedAccessType(top) { + if (ts.isIndexedAccessTypeNode(top.objectType)) { + return getTopmostIndexedAccessType(top.objectType); + } + return top; + } + function getSpecifierForModuleSymbol(symbol, context, overrideImportMode) { + var _a; + var file = ts.getDeclarationOfKind(symbol, 305 /* SyntaxKind.SourceFile */); + if (!file) { + var equivalentFileSymbol = ts.firstDefined(symbol.declarations, function (d) { return getFileSymbolIfFileSymbolExportEqualsContainer(d, symbol); }); + if (equivalentFileSymbol) { + file = ts.getDeclarationOfKind(equivalentFileSymbol, 305 /* SyntaxKind.SourceFile */); + } + } + if (file && file.moduleName !== undefined) { + // Use the amd name if it is available + return file.moduleName; + } + if (!file) { + if (context.tracker.trackReferencedAmbientModule) { + var ambientDecls = ts.filter(symbol.declarations, ts.isAmbientModule); + if (ts.length(ambientDecls)) { + for (var _i = 0, _b = ambientDecls; _i < _b.length; _i++) { + var decl = _b[_i]; + context.tracker.trackReferencedAmbientModule(decl, symbol); + } + } + } + if (ambientModuleSymbolRegex.test(symbol.escapedName)) { + return symbol.escapedName.substring(1, symbol.escapedName.length - 1); + } + } + if (!context.enclosingDeclaration || !context.tracker.moduleResolverHost) { + // If there's no context declaration, we can't lookup a non-ambient specifier, so we just use the symbol name + if (ambientModuleSymbolRegex.test(symbol.escapedName)) { + return symbol.escapedName.substring(1, symbol.escapedName.length - 1); + } + return ts.getSourceFileOfNode(ts.getNonAugmentationDeclaration(symbol)).fileName; // A resolver may not be provided for baselines and errors - in those cases we use the fileName in full + } + var contextFile = ts.getSourceFileOfNode(ts.getOriginalNode(context.enclosingDeclaration)); + var resolutionMode = overrideImportMode || (contextFile === null || contextFile === void 0 ? void 0 : contextFile.impliedNodeFormat); + var cacheKey = getSpecifierCacheKey(contextFile.path, resolutionMode); + var links = getSymbolLinks(symbol); + var specifier = links.specifierCache && links.specifierCache.get(cacheKey); + if (!specifier) { + var isBundle_1 = !!ts.outFile(compilerOptions); + // For declaration bundles, we need to generate absolute paths relative to the common source dir for imports, + // just like how the declaration emitter does for the ambient module declarations - we can easily accomplish this + // using the `baseUrl` compiler option (which we would otherwise never use in declaration emit) and a non-relative + // specifier preference + var moduleResolverHost = context.tracker.moduleResolverHost; + var specifierCompilerOptions = isBundle_1 ? __assign(__assign({}, compilerOptions), { baseUrl: moduleResolverHost.getCommonSourceDirectory() }) : compilerOptions; + specifier = ts.first(ts.moduleSpecifiers.getModuleSpecifiers(symbol, checker, specifierCompilerOptions, contextFile, moduleResolverHost, { + importModuleSpecifierPreference: isBundle_1 ? "non-relative" : "project-relative", + importModuleSpecifierEnding: isBundle_1 ? "minimal" + : resolutionMode === ts.ModuleKind.ESNext ? "js" + : undefined, + }, { overrideImportMode: overrideImportMode })); + (_a = links.specifierCache) !== null && _a !== void 0 ? _a : (links.specifierCache = new ts.Map()); + links.specifierCache.set(cacheKey, specifier); + } + return specifier; + function getSpecifierCacheKey(path, mode) { + return mode === undefined ? path : "".concat(mode, "|").concat(path); + } + } + function symbolToEntityNameNode(symbol) { + var identifier = ts.factory.createIdentifier(ts.unescapeLeadingUnderscores(symbol.escapedName)); + return symbol.parent ? ts.factory.createQualifiedName(symbolToEntityNameNode(symbol.parent), identifier) : identifier; + } + function symbolToTypeNode(symbol, context, meaning, overrideTypeArguments) { + var _a, _b, _c, _d; + var chain = lookupSymbolChain(symbol, context, meaning, !(context.flags & 16384 /* NodeBuilderFlags.UseAliasDefinedOutsideCurrentScope */)); // If we're using aliases outside the current scope, dont bother with the module + var isTypeOf = meaning === 111551 /* SymbolFlags.Value */; + if (ts.some(chain[0].declarations, hasNonGlobalAugmentationExternalModuleSymbol)) { + // module is root, must use `ImportTypeNode` + var nonRootParts = chain.length > 1 ? createAccessFromSymbolChain(chain, chain.length - 1, 1) : undefined; + var typeParameterNodes = overrideTypeArguments || lookupTypeParameterNodes(chain, 0, context); + var contextFile = ts.getSourceFileOfNode(ts.getOriginalNode(context.enclosingDeclaration)); + var targetFile = ts.getSourceFileOfModule(chain[0]); + var specifier = void 0; + var assertion = void 0; + if (ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Node16 || ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeNext) { + // An `import` type directed at an esm format file is only going to resolve in esm mode - set the esm mode assertion + if ((targetFile === null || targetFile === void 0 ? void 0 : targetFile.impliedNodeFormat) === ts.ModuleKind.ESNext && targetFile.impliedNodeFormat !== (contextFile === null || contextFile === void 0 ? void 0 : contextFile.impliedNodeFormat)) { + specifier = getSpecifierForModuleSymbol(chain[0], context, ts.ModuleKind.ESNext); + assertion = ts.factory.createImportTypeAssertionContainer(ts.factory.createAssertClause(ts.factory.createNodeArray([ + ts.factory.createAssertEntry(ts.factory.createStringLiteral("resolution-mode"), ts.factory.createStringLiteral("import")) + ]))); + (_b = (_a = context.tracker).reportImportTypeNodeResolutionModeOverride) === null || _b === void 0 ? void 0 : _b.call(_a); + } + } + if (!specifier) { + specifier = getSpecifierForModuleSymbol(chain[0], context); + } + if (!(context.flags & 67108864 /* NodeBuilderFlags.AllowNodeModulesRelativePaths */) && ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.Classic && specifier.indexOf("/node_modules/") >= 0) { + var oldSpecifier = specifier; + if (ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Node16 || ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeNext) { + // We might be able to write a portable import type using a mode override; try specifier generation again, but with a different mode set + var swappedMode = (contextFile === null || contextFile === void 0 ? void 0 : contextFile.impliedNodeFormat) === ts.ModuleKind.ESNext ? ts.ModuleKind.CommonJS : ts.ModuleKind.ESNext; + specifier = getSpecifierForModuleSymbol(chain[0], context, swappedMode); + if (specifier.indexOf("/node_modules/") >= 0) { + // Still unreachable :( + specifier = oldSpecifier; + } + else { + assertion = ts.factory.createImportTypeAssertionContainer(ts.factory.createAssertClause(ts.factory.createNodeArray([ + ts.factory.createAssertEntry(ts.factory.createStringLiteral("resolution-mode"), ts.factory.createStringLiteral(swappedMode === ts.ModuleKind.ESNext ? "import" : "require")) + ]))); + (_d = (_c = context.tracker).reportImportTypeNodeResolutionModeOverride) === null || _d === void 0 ? void 0 : _d.call(_c); + } + } + if (!assertion) { + // If ultimately we can only name the symbol with a reference that dives into a `node_modules` folder, we should error + // since declaration files with these kinds of references are liable to fail when published :( + context.encounteredError = true; + if (context.tracker.reportLikelyUnsafeImportRequiredError) { + context.tracker.reportLikelyUnsafeImportRequiredError(oldSpecifier); + } + } + } + var lit = ts.factory.createLiteralTypeNode(ts.factory.createStringLiteral(specifier)); + if (context.tracker.trackExternalModuleSymbolOfImportTypeNode) + context.tracker.trackExternalModuleSymbolOfImportTypeNode(chain[0]); + context.approximateLength += specifier.length + 10; // specifier + import("") + if (!nonRootParts || ts.isEntityName(nonRootParts)) { + if (nonRootParts) { + var lastId = ts.isIdentifier(nonRootParts) ? nonRootParts : nonRootParts.right; + lastId.typeArguments = undefined; + } + return ts.factory.createImportTypeNode(lit, assertion, nonRootParts, typeParameterNodes, isTypeOf); + } + else { + var splitNode = getTopmostIndexedAccessType(nonRootParts); + var qualifier = splitNode.objectType.typeName; + return ts.factory.createIndexedAccessTypeNode(ts.factory.createImportTypeNode(lit, assertion, qualifier, typeParameterNodes, isTypeOf), splitNode.indexType); + } + } + var entityName = createAccessFromSymbolChain(chain, chain.length - 1, 0); + if (ts.isIndexedAccessTypeNode(entityName)) { + return entityName; // Indexed accesses can never be `typeof` + } + if (isTypeOf) { + return ts.factory.createTypeQueryNode(entityName); + } + else { + var lastId = ts.isIdentifier(entityName) ? entityName : entityName.right; + var lastTypeArgs = lastId.typeArguments; + lastId.typeArguments = undefined; + return ts.factory.createTypeReferenceNode(entityName, lastTypeArgs); + } + function createAccessFromSymbolChain(chain, index, stopper) { + var typeParameterNodes = index === (chain.length - 1) ? overrideTypeArguments : lookupTypeParameterNodes(chain, index, context); + var symbol = chain[index]; + var parent = chain[index - 1]; + var symbolName; + if (index === 0) { + context.flags |= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + symbolName = getNameOfSymbolAsWritten(symbol, context); + context.approximateLength += (symbolName ? symbolName.length : 0) + 1; + context.flags ^= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + } + else { + if (parent && getExportsOfSymbol(parent)) { + var exports_2 = getExportsOfSymbol(parent); + ts.forEachEntry(exports_2, function (ex, name) { + if (getSymbolIfSameReference(ex, symbol) && !isLateBoundName(name) && name !== "export=" /* InternalSymbolName.ExportEquals */) { + symbolName = ts.unescapeLeadingUnderscores(name); + return true; + } + }); + } + } + if (symbolName === undefined) { + var name = ts.firstDefined(symbol.declarations, ts.getNameOfDeclaration); + if (name && ts.isComputedPropertyName(name) && ts.isEntityName(name.expression)) { + var LHS = createAccessFromSymbolChain(chain, index - 1, stopper); + if (ts.isEntityName(LHS)) { + return ts.factory.createIndexedAccessTypeNode(ts.factory.createParenthesizedType(ts.factory.createTypeQueryNode(LHS)), ts.factory.createTypeQueryNode(name.expression)); + } + return LHS; + } + symbolName = getNameOfSymbolAsWritten(symbol, context); + } + context.approximateLength += symbolName.length + 1; + if (!(context.flags & 16 /* NodeBuilderFlags.ForbidIndexedAccessSymbolReferences */) && parent && + getMembersOfSymbol(parent) && getMembersOfSymbol(parent).get(symbol.escapedName) && + getSymbolIfSameReference(getMembersOfSymbol(parent).get(symbol.escapedName), symbol)) { + // Should use an indexed access + var LHS = createAccessFromSymbolChain(chain, index - 1, stopper); + if (ts.isIndexedAccessTypeNode(LHS)) { + return ts.factory.createIndexedAccessTypeNode(LHS, ts.factory.createLiteralTypeNode(ts.factory.createStringLiteral(symbolName))); + } + else { + return ts.factory.createIndexedAccessTypeNode(ts.factory.createTypeReferenceNode(LHS, typeParameterNodes), ts.factory.createLiteralTypeNode(ts.factory.createStringLiteral(symbolName))); + } + } + var identifier = ts.setEmitFlags(ts.factory.createIdentifier(symbolName, typeParameterNodes), 16777216 /* EmitFlags.NoAsciiEscaping */); + identifier.symbol = symbol; + if (index > stopper) { + var LHS = createAccessFromSymbolChain(chain, index - 1, stopper); + if (!ts.isEntityName(LHS)) { + return ts.Debug.fail("Impossible construct - an export of an indexed access cannot be reachable"); + } + return ts.factory.createQualifiedName(LHS, identifier); + } + return identifier; + } + } + function typeParameterShadowsNameInScope(escapedName, context, type) { + var result = resolveName(context.enclosingDeclaration, escapedName, 788968 /* SymbolFlags.Type */, /*nameNotFoundArg*/ undefined, escapedName, /*isUse*/ false); + if (result) { + if (result.flags & 262144 /* SymbolFlags.TypeParameter */ && result === type.symbol) { + return false; + } + return true; + } + return false; + } + function typeParameterToName(type, context) { + var _a, _b; + if (context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */ && context.typeParameterNames) { + var cached = context.typeParameterNames.get(getTypeId(type)); + if (cached) { + return cached; + } + } + var result = symbolToName(type.symbol, context, 788968 /* SymbolFlags.Type */, /*expectsIdentifier*/ true); + if (!(result.kind & 79 /* SyntaxKind.Identifier */)) { + return ts.factory.createIdentifier("(Missing type parameter)"); + } + if (context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */) { + var rawtext = result.escapedText; + var i = ((_a = context.typeParameterNamesByTextNextNameCount) === null || _a === void 0 ? void 0 : _a.get(rawtext)) || 0; + var text = rawtext; + while (((_b = context.typeParameterNamesByText) === null || _b === void 0 ? void 0 : _b.has(text)) || typeParameterShadowsNameInScope(text, context, type)) { + i++; + text = "".concat(rawtext, "_").concat(i); + } + if (text !== rawtext) { + result = ts.factory.createIdentifier(text, result.typeArguments); + } + // avoiding iterations of the above loop turns out to be worth it when `i` starts to get large, so we cache the max + // `i` we've used thus far, to save work later + (context.typeParameterNamesByTextNextNameCount || (context.typeParameterNamesByTextNextNameCount = new ts.Map())).set(rawtext, i); + (context.typeParameterNames || (context.typeParameterNames = new ts.Map())).set(getTypeId(type), result); + (context.typeParameterNamesByText || (context.typeParameterNamesByText = new ts.Set())).add(rawtext); + } + return result; + } + function symbolToName(symbol, context, meaning, expectsIdentifier) { + var chain = lookupSymbolChain(symbol, context, meaning); + if (expectsIdentifier && chain.length !== 1 + && !context.encounteredError + && !(context.flags & 65536 /* NodeBuilderFlags.AllowQualifiedNameInPlaceOfIdentifier */)) { + context.encounteredError = true; + } + return createEntityNameFromSymbolChain(chain, chain.length - 1); + function createEntityNameFromSymbolChain(chain, index) { + var typeParameterNodes = lookupTypeParameterNodes(chain, index, context); + var symbol = chain[index]; + if (index === 0) { + context.flags |= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + } + var symbolName = getNameOfSymbolAsWritten(symbol, context); + if (index === 0) { + context.flags ^= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + } + var identifier = ts.setEmitFlags(ts.factory.createIdentifier(symbolName, typeParameterNodes), 16777216 /* EmitFlags.NoAsciiEscaping */); + identifier.symbol = symbol; + return index > 0 ? ts.factory.createQualifiedName(createEntityNameFromSymbolChain(chain, index - 1), identifier) : identifier; + } + } + function symbolToExpression(symbol, context, meaning) { + var chain = lookupSymbolChain(symbol, context, meaning); + return createExpressionFromSymbolChain(chain, chain.length - 1); + function createExpressionFromSymbolChain(chain, index) { + var typeParameterNodes = lookupTypeParameterNodes(chain, index, context); + var symbol = chain[index]; + if (index === 0) { + context.flags |= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + } + var symbolName = getNameOfSymbolAsWritten(symbol, context); + if (index === 0) { + context.flags ^= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + } + var firstChar = symbolName.charCodeAt(0); + if (ts.isSingleOrDoubleQuote(firstChar) && ts.some(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)) { + return ts.factory.createStringLiteral(getSpecifierForModuleSymbol(symbol, context)); + } + var canUsePropertyAccess = firstChar === 35 /* CharacterCodes.hash */ ? + symbolName.length > 1 && ts.isIdentifierStart(symbolName.charCodeAt(1), languageVersion) : + ts.isIdentifierStart(firstChar, languageVersion); + if (index === 0 || canUsePropertyAccess) { + var identifier = ts.setEmitFlags(ts.factory.createIdentifier(symbolName, typeParameterNodes), 16777216 /* EmitFlags.NoAsciiEscaping */); + identifier.symbol = symbol; + return index > 0 ? ts.factory.createPropertyAccessExpression(createExpressionFromSymbolChain(chain, index - 1), identifier) : identifier; + } + else { + if (firstChar === 91 /* CharacterCodes.openBracket */) { + symbolName = symbolName.substring(1, symbolName.length - 1); + firstChar = symbolName.charCodeAt(0); + } + var expression = void 0; + if (ts.isSingleOrDoubleQuote(firstChar) && !(symbol.flags & 8 /* SymbolFlags.EnumMember */)) { + expression = ts.factory.createStringLiteral(ts.stripQuotes(symbolName).replace(/\\./g, function (s) { return s.substring(1); }), firstChar === 39 /* CharacterCodes.singleQuote */); + } + else if (("" + +symbolName) === symbolName) { + expression = ts.factory.createNumericLiteral(+symbolName); + } + if (!expression) { + expression = ts.setEmitFlags(ts.factory.createIdentifier(symbolName, typeParameterNodes), 16777216 /* EmitFlags.NoAsciiEscaping */); + expression.symbol = symbol; + } + return ts.factory.createElementAccessExpression(createExpressionFromSymbolChain(chain, index - 1), expression); + } + } + } + function isStringNamed(d) { + var name = ts.getNameOfDeclaration(d); + return !!name && ts.isStringLiteral(name); + } + function isSingleQuotedStringNamed(d) { + var name = ts.getNameOfDeclaration(d); + return !!(name && ts.isStringLiteral(name) && (name.singleQuote || !ts.nodeIsSynthesized(name) && ts.startsWith(ts.getTextOfNode(name, /*includeTrivia*/ false), "'"))); + } + function getPropertyNameNodeForSymbol(symbol, context) { + var singleQuote = !!ts.length(symbol.declarations) && ts.every(symbol.declarations, isSingleQuotedStringNamed); + var fromNameType = getPropertyNameNodeForSymbolFromNameType(symbol, context, singleQuote); + if (fromNameType) { + return fromNameType; + } + var rawName = ts.unescapeLeadingUnderscores(symbol.escapedName); + var stringNamed = !!ts.length(symbol.declarations) && ts.every(symbol.declarations, isStringNamed); + return ts.createPropertyNameNodeForIdentifierOrLiteral(rawName, ts.getEmitScriptTarget(compilerOptions), singleQuote, stringNamed); + } + // See getNameForSymbolFromNameType for a stringy equivalent + function getPropertyNameNodeForSymbolFromNameType(symbol, context, singleQuote) { + var nameType = getSymbolLinks(symbol).nameType; + if (nameType) { + if (nameType.flags & 384 /* TypeFlags.StringOrNumberLiteral */) { + var name = "" + nameType.value; + if (!ts.isIdentifierText(name, ts.getEmitScriptTarget(compilerOptions)) && !ts.isNumericLiteralName(name)) { + return ts.factory.createStringLiteral(name, !!singleQuote); + } + if (ts.isNumericLiteralName(name) && ts.startsWith(name, "-")) { + return ts.factory.createComputedPropertyName(ts.factory.createNumericLiteral(+name)); + } + return ts.createPropertyNameNodeForIdentifierOrLiteral(name, ts.getEmitScriptTarget(compilerOptions)); + } + if (nameType.flags & 8192 /* TypeFlags.UniqueESSymbol */) { + return ts.factory.createComputedPropertyName(symbolToExpression(nameType.symbol, context, 111551 /* SymbolFlags.Value */)); + } + } + } + function cloneNodeBuilderContext(context) { + var initial = __assign({}, context); + // Make type parameters created within this context not consume the name outside this context + // The symbol serializer ends up creating many sibling scopes that all need "separate" contexts when + // it comes to naming things - within a normal `typeToTypeNode` call, the node builder only ever descends + // through the type tree, so the only cases where we could have used distinct sibling scopes was when there + // were multiple generic overloads with similar generated type parameter names + // The effect: + // When we write out + // export const x: (x: T) => T + // export const y: (x: T) => T + // we write it out like that, rather than as + // export const x: (x: T) => T + // export const y: (x: T_1) => T_1 + if (initial.typeParameterNames) { + initial.typeParameterNames = new ts.Map(initial.typeParameterNames); + } + if (initial.typeParameterNamesByText) { + initial.typeParameterNamesByText = new ts.Set(initial.typeParameterNamesByText); + } + if (initial.typeParameterSymbolList) { + initial.typeParameterSymbolList = new ts.Set(initial.typeParameterSymbolList); + } + initial.tracker = wrapSymbolTrackerToReportForContext(initial, initial.tracker); + return initial; + } + function getDeclarationWithTypeAnnotation(symbol, enclosingDeclaration) { + return symbol.declarations && ts.find(symbol.declarations, function (s) { return !!ts.getEffectiveTypeAnnotationNode(s) && (!enclosingDeclaration || !!ts.findAncestor(s, function (n) { return n === enclosingDeclaration; })); }); + } + function existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(existing, type) { + return !(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) || !ts.isTypeReferenceNode(existing) || ts.length(existing.typeArguments) >= getMinTypeArgumentCount(type.target.typeParameters); + } + /** + * Unlike `typeToTypeNodeHelper`, this handles setting up the `AllowUniqueESSymbolType` flag + * so a `unique symbol` is returned when appropriate for the input symbol, rather than `typeof sym` + */ + function serializeTypeForDeclaration(context, type, symbol, enclosingDeclaration, includePrivateSymbol, bundled) { + if (!isErrorType(type) && enclosingDeclaration) { + var declWithExistingAnnotation = getDeclarationWithTypeAnnotation(symbol, enclosingDeclaration); + if (declWithExistingAnnotation && !ts.isFunctionLikeDeclaration(declWithExistingAnnotation) && !ts.isGetAccessorDeclaration(declWithExistingAnnotation)) { + // try to reuse the existing annotation + var existing = ts.getEffectiveTypeAnnotationNode(declWithExistingAnnotation); + if (typeNodeIsEquivalentToType(existing, declWithExistingAnnotation, type) && existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(existing, type)) { + var result_6 = serializeExistingTypeNode(context, existing, includePrivateSymbol, bundled); + if (result_6) { + return result_6; + } + } + } + } + var oldFlags = context.flags; + if (type.flags & 8192 /* TypeFlags.UniqueESSymbol */ && + type.symbol === symbol && (!context.enclosingDeclaration || ts.some(symbol.declarations, function (d) { return ts.getSourceFileOfNode(d) === ts.getSourceFileOfNode(context.enclosingDeclaration); }))) { + context.flags |= 1048576 /* NodeBuilderFlags.AllowUniqueESSymbolType */; + } + var result = typeToTypeNodeHelper(type, context); + context.flags = oldFlags; + return result; + } + function typeNodeIsEquivalentToType(typeNode, annotatedDeclaration, type) { + var typeFromTypeNode = getTypeFromTypeNode(typeNode); + if (typeFromTypeNode === type) { + return true; + } + if (ts.isParameter(annotatedDeclaration) && annotatedDeclaration.questionToken) { + return getTypeWithFacts(type, 524288 /* TypeFacts.NEUndefined */) === typeFromTypeNode; + } + return false; + } + function serializeReturnTypeForSignature(context, type, signature, includePrivateSymbol, bundled) { + if (!isErrorType(type) && context.enclosingDeclaration) { + var annotation = signature.declaration && ts.getEffectiveReturnTypeNode(signature.declaration); + if (!!ts.findAncestor(annotation, function (n) { return n === context.enclosingDeclaration; }) && annotation) { + var annotated = getTypeFromTypeNode(annotation); + var thisInstantiated = annotated.flags & 262144 /* TypeFlags.TypeParameter */ && annotated.isThisType ? instantiateType(annotated, signature.mapper) : annotated; + if (thisInstantiated === type && existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(annotation, type)) { + var result = serializeExistingTypeNode(context, annotation, includePrivateSymbol, bundled); + if (result) { + return result; + } + } + } + } + return typeToTypeNodeHelper(type, context); + } + function trackExistingEntityName(node, context, includePrivateSymbol) { + var _a, _b; + var introducesError = false; + var leftmost = ts.getFirstIdentifier(node); + if (ts.isInJSFile(node) && (ts.isExportsIdentifier(leftmost) || ts.isModuleExportsAccessExpression(leftmost.parent) || (ts.isQualifiedName(leftmost.parent) && ts.isModuleIdentifier(leftmost.parent.left) && ts.isExportsIdentifier(leftmost.parent.right)))) { + introducesError = true; + return { introducesError: introducesError, node: node }; + } + var sym = resolveEntityName(leftmost, 67108863 /* SymbolFlags.All */, /*ignoreErrors*/ true, /*dontResolveALias*/ true); + if (sym) { + if (isSymbolAccessible(sym, context.enclosingDeclaration, 67108863 /* SymbolFlags.All */, /*shouldComputeAliasesToMakeVisible*/ false).accessibility !== 0 /* SymbolAccessibility.Accessible */) { + introducesError = true; + } + else { + (_b = (_a = context.tracker) === null || _a === void 0 ? void 0 : _a.trackSymbol) === null || _b === void 0 ? void 0 : _b.call(_a, sym, context.enclosingDeclaration, 67108863 /* SymbolFlags.All */); + includePrivateSymbol === null || includePrivateSymbol === void 0 ? void 0 : includePrivateSymbol(sym); + } + if (ts.isIdentifier(node)) { + var type = getDeclaredTypeOfSymbol(sym); + var name = sym.flags & 262144 /* SymbolFlags.TypeParameter */ && !isTypeSymbolAccessible(type.symbol, context.enclosingDeclaration) ? typeParameterToName(type, context) : ts.factory.cloneNode(node); + name.symbol = sym; // for quickinfo, which uses identifier symbol information + return { introducesError: introducesError, node: ts.setEmitFlags(ts.setOriginalNode(name, node), 16777216 /* EmitFlags.NoAsciiEscaping */) }; + } + } + return { introducesError: introducesError, node: node }; + } + function serializeExistingTypeNode(context, existing, includePrivateSymbol, bundled) { + if (cancellationToken && cancellationToken.throwIfCancellationRequested) { + cancellationToken.throwIfCancellationRequested(); + } + var hadError = false; + var file = ts.getSourceFileOfNode(existing); + var transformed = ts.visitNode(existing, visitExistingNodeTreeSymbols); + if (hadError) { + return undefined; + } + return transformed === existing ? ts.setTextRange(ts.factory.cloneNode(existing), existing) : transformed; + function visitExistingNodeTreeSymbols(node) { + // We don't _actually_ support jsdoc namepath types, emit `any` instead + if (ts.isJSDocAllType(node) || node.kind === 319 /* SyntaxKind.JSDocNamepathType */) { + return ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + if (ts.isJSDocUnknownType(node)) { + return ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */); + } + if (ts.isJSDocNullableType(node)) { + return ts.factory.createUnionTypeNode([ts.visitNode(node.type, visitExistingNodeTreeSymbols), ts.factory.createLiteralTypeNode(ts.factory.createNull())]); + } + if (ts.isJSDocOptionalType(node)) { + return ts.factory.createUnionTypeNode([ts.visitNode(node.type, visitExistingNodeTreeSymbols), ts.factory.createKeywordTypeNode(153 /* SyntaxKind.UndefinedKeyword */)]); + } + if (ts.isJSDocNonNullableType(node)) { + return ts.visitNode(node.type, visitExistingNodeTreeSymbols); + } + if (ts.isJSDocVariadicType(node)) { + return ts.factory.createArrayTypeNode(ts.visitNode(node.type, visitExistingNodeTreeSymbols)); + } + if (ts.isJSDocTypeLiteral(node)) { + return ts.factory.createTypeLiteralNode(ts.map(node.jsDocPropertyTags, function (t) { + var name = ts.isIdentifier(t.name) ? t.name : t.name.right; + var typeViaParent = getTypeOfPropertyOfType(getTypeFromTypeNode(node), name.escapedText); + var overrideTypeNode = typeViaParent && t.typeExpression && getTypeFromTypeNode(t.typeExpression.type) !== typeViaParent ? typeToTypeNodeHelper(typeViaParent, context) : undefined; + return ts.factory.createPropertySignature( + /*modifiers*/ undefined, name, t.isBracketed || t.typeExpression && ts.isJSDocOptionalType(t.typeExpression.type) ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, overrideTypeNode || (t.typeExpression && ts.visitNode(t.typeExpression.type, visitExistingNodeTreeSymbols)) || ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */)); + })); + } + if (ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName) && node.typeName.escapedText === "") { + return ts.setOriginalNode(ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */), node); + } + if ((ts.isExpressionWithTypeArguments(node) || ts.isTypeReferenceNode(node)) && ts.isJSDocIndexSignature(node)) { + return ts.factory.createTypeLiteralNode([ts.factory.createIndexSignature( + /*decorators*/ undefined, + /*modifiers*/ undefined, [ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotdotdotToken*/ undefined, "x", + /*questionToken*/ undefined, ts.visitNode(node.typeArguments[0], visitExistingNodeTreeSymbols))], ts.visitNode(node.typeArguments[1], visitExistingNodeTreeSymbols))]); + } + if (ts.isJSDocFunctionType(node)) { + if (ts.isJSDocConstructSignature(node)) { + var newTypeNode_1; + return ts.factory.createConstructorTypeNode(node.modifiers, ts.visitNodes(node.typeParameters, visitExistingNodeTreeSymbols), ts.mapDefined(node.parameters, function (p, i) { return p.name && ts.isIdentifier(p.name) && p.name.escapedText === "new" ? (newTypeNode_1 = p.type, undefined) : ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, getEffectiveDotDotDotForParameter(p), getNameForJSDocFunctionParameter(p, i), p.questionToken, ts.visitNode(p.type, visitExistingNodeTreeSymbols), + /*initializer*/ undefined); }), ts.visitNode(newTypeNode_1 || node.type, visitExistingNodeTreeSymbols) || ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */)); + } + else { + return ts.factory.createFunctionTypeNode(ts.visitNodes(node.typeParameters, visitExistingNodeTreeSymbols), ts.map(node.parameters, function (p, i) { return ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, getEffectiveDotDotDotForParameter(p), getNameForJSDocFunctionParameter(p, i), p.questionToken, ts.visitNode(p.type, visitExistingNodeTreeSymbols), + /*initializer*/ undefined); }), ts.visitNode(node.type, visitExistingNodeTreeSymbols) || ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */)); + } + } + if (ts.isTypeReferenceNode(node) && ts.isInJSDoc(node) && (!existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(node, getTypeFromTypeNode(node)) || getIntendedTypeFromJSDocTypeReference(node) || unknownSymbol === resolveTypeReferenceName(node, 788968 /* SymbolFlags.Type */, /*ignoreErrors*/ true))) { + return ts.setOriginalNode(typeToTypeNodeHelper(getTypeFromTypeNode(node), context), node); + } + if (ts.isLiteralImportTypeNode(node)) { + var nodeSymbol = getNodeLinks(node).resolvedSymbol; + if (ts.isInJSDoc(node) && + nodeSymbol && + ( + // The import type resolved using jsdoc fallback logic + (!node.isTypeOf && !(nodeSymbol.flags & 788968 /* SymbolFlags.Type */)) || + // The import type had type arguments autofilled by js fallback logic + !(ts.length(node.typeArguments) >= getMinTypeArgumentCount(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(nodeSymbol))))) { + return ts.setOriginalNode(typeToTypeNodeHelper(getTypeFromTypeNode(node), context), node); + } + return ts.factory.updateImportTypeNode(node, ts.factory.updateLiteralTypeNode(node.argument, rewriteModuleSpecifier(node, node.argument.literal)), node.qualifier, ts.visitNodes(node.typeArguments, visitExistingNodeTreeSymbols, ts.isTypeNode), node.isTypeOf); + } + if (ts.isEntityName(node) || ts.isEntityNameExpression(node)) { + var _a = trackExistingEntityName(node, context, includePrivateSymbol), introducesError = _a.introducesError, result = _a.node; + hadError = hadError || introducesError; + if (result !== node) { + return result; + } + } + if (file && ts.isTupleTypeNode(node) && (ts.getLineAndCharacterOfPosition(file, node.pos).line === ts.getLineAndCharacterOfPosition(file, node.end).line)) { + ts.setEmitFlags(node, 1 /* EmitFlags.SingleLine */); + } + return ts.visitEachChild(node, visitExistingNodeTreeSymbols, ts.nullTransformationContext); + function getEffectiveDotDotDotForParameter(p) { + return p.dotDotDotToken || (p.type && ts.isJSDocVariadicType(p.type) ? ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */) : undefined); + } + /** Note that `new:T` parameters are not handled, but should be before calling this function. */ + function getNameForJSDocFunctionParameter(p, index) { + return p.name && ts.isIdentifier(p.name) && p.name.escapedText === "this" ? "this" + : getEffectiveDotDotDotForParameter(p) ? "args" + : "arg".concat(index); + } + function rewriteModuleSpecifier(parent, lit) { + if (bundled) { + if (context.tracker && context.tracker.moduleResolverHost) { + var targetFile = getExternalModuleFileFromDeclaration(parent); + if (targetFile) { + var getCanonicalFileName = ts.createGetCanonicalFileName(!!host.useCaseSensitiveFileNames); + var resolverHost = { + getCanonicalFileName: getCanonicalFileName, + getCurrentDirectory: function () { return context.tracker.moduleResolverHost.getCurrentDirectory(); }, + getCommonSourceDirectory: function () { return context.tracker.moduleResolverHost.getCommonSourceDirectory(); } + }; + var newName = ts.getResolvedExternalModuleName(resolverHost, targetFile); + return ts.factory.createStringLiteral(newName); + } + } + } + else { + if (context.tracker && context.tracker.trackExternalModuleSymbolOfImportTypeNode) { + var moduleSym = resolveExternalModuleNameWorker(lit, lit, /*moduleNotFoundError*/ undefined); + if (moduleSym) { + context.tracker.trackExternalModuleSymbolOfImportTypeNode(moduleSym); + } + } + } + return lit; + } + } + } + function symbolTableToDeclarationStatements(symbolTable, context, bundled) { + var serializePropertySymbolForClass = makeSerializePropertySymbol(ts.factory.createPropertyDeclaration, 169 /* SyntaxKind.MethodDeclaration */, /*useAcessors*/ true); + var serializePropertySymbolForInterfaceWorker = makeSerializePropertySymbol(function (_decorators, mods, name, question, type) { return ts.factory.createPropertySignature(mods, name, question, type); }, 168 /* SyntaxKind.MethodSignature */, /*useAcessors*/ false); + // TODO: Use `setOriginalNode` on original declaration names where possible so these declarations see some kind of + // declaration mapping + // We save the enclosing declaration off here so it's not adjusted by well-meaning declaration + // emit codepaths which want to apply more specific contexts (so we can still refer to the root real declaration + // we're trying to emit from later on) + var enclosingDeclaration = context.enclosingDeclaration; + var results = []; + var visitedSymbols = new ts.Set(); + var deferredPrivatesStack = []; + var oldcontext = context; + context = __assign(__assign({}, oldcontext), { usedSymbolNames: new ts.Set(oldcontext.usedSymbolNames), remappedSymbolNames: new ts.Map(), tracker: __assign(__assign({}, oldcontext.tracker), { trackSymbol: function (sym, decl, meaning) { + var accessibleResult = isSymbolAccessible(sym, decl, meaning, /*computeAliases*/ false); + if (accessibleResult.accessibility === 0 /* SymbolAccessibility.Accessible */) { + // Lookup the root symbol of the chain of refs we'll use to access it and serialize it + var chain = lookupSymbolChainWorker(sym, context, meaning); + if (!(sym.flags & 4 /* SymbolFlags.Property */)) { + includePrivateSymbol(chain[0]); + } + } + else if (oldcontext.tracker && oldcontext.tracker.trackSymbol) { + return oldcontext.tracker.trackSymbol(sym, decl, meaning); + } + return false; + } }) }); + context.tracker = wrapSymbolTrackerToReportForContext(context, context.tracker); + ts.forEachEntry(symbolTable, function (symbol, name) { + var baseName = ts.unescapeLeadingUnderscores(name); + void getInternalSymbolName(symbol, baseName); // Called to cache values into `usedSymbolNames` and `remappedSymbolNames` + }); + var addingDeclare = !bundled; + var exportEquals = symbolTable.get("export=" /* InternalSymbolName.ExportEquals */); + if (exportEquals && symbolTable.size > 1 && exportEquals.flags & 2097152 /* SymbolFlags.Alias */) { + symbolTable = ts.createSymbolTable(); + // Remove extraneous elements from root symbol table (they'll be mixed back in when the target of the `export=` is looked up) + symbolTable.set("export=" /* InternalSymbolName.ExportEquals */, exportEquals); + } + visitSymbolTable(symbolTable); + return mergeRedundantStatements(results); + function isIdentifierAndNotUndefined(node) { + return !!node && node.kind === 79 /* SyntaxKind.Identifier */; + } + function getNamesOfDeclaration(statement) { + if (ts.isVariableStatement(statement)) { + return ts.filter(ts.map(statement.declarationList.declarations, ts.getNameOfDeclaration), isIdentifierAndNotUndefined); + } + return ts.filter([ts.getNameOfDeclaration(statement)], isIdentifierAndNotUndefined); + } + function flattenExportAssignedNamespace(statements) { + var exportAssignment = ts.find(statements, ts.isExportAssignment); + var nsIndex = ts.findIndex(statements, ts.isModuleDeclaration); + var ns = nsIndex !== -1 ? statements[nsIndex] : undefined; + if (ns && exportAssignment && exportAssignment.isExportEquals && + ts.isIdentifier(exportAssignment.expression) && ts.isIdentifier(ns.name) && ts.idText(ns.name) === ts.idText(exportAssignment.expression) && + ns.body && ts.isModuleBlock(ns.body)) { + // Pass 0: Correct situations where a module has both an `export = ns` and multiple top-level exports by stripping the export modifiers from + // the top-level exports and exporting them in the targeted ns, as can occur when a js file has both typedefs and `module.export` assignments + var excessExports = ts.filter(statements, function (s) { return !!(ts.getEffectiveModifierFlags(s) & 1 /* ModifierFlags.Export */); }); + var name_3 = ns.name; + var body = ns.body; + if (ts.length(excessExports)) { + ns = ts.factory.updateModuleDeclaration(ns, ns.decorators, ns.modifiers, ns.name, body = ts.factory.updateModuleBlock(body, ts.factory.createNodeArray(__spreadArray(__spreadArray([], ns.body.statements, true), [ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports(ts.map(ts.flatMap(excessExports, function (e) { return getNamesOfDeclaration(e); }), function (id) { return ts.factory.createExportSpecifier(/*isTypeOnly*/ false, /*alias*/ undefined, id); })), + /*moduleSpecifier*/ undefined)], false)))); + statements = __spreadArray(__spreadArray(__spreadArray([], statements.slice(0, nsIndex), true), [ns], false), statements.slice(nsIndex + 1), true); + } + // Pass 1: Flatten `export namespace _exports {} export = _exports;` so long as the `export=` only points at a single namespace declaration + if (!ts.find(statements, function (s) { return s !== ns && ts.nodeHasName(s, name_3); })) { + results = []; + // If the namespace contains no export assignments or declarations, and no declarations flagged with `export`, then _everything_ is exported - + // to respect this as the top level, we need to add an `export` modifier to everything + var mixinExportFlag_1 = !ts.some(body.statements, function (s) { return ts.hasSyntacticModifier(s, 1 /* ModifierFlags.Export */) || ts.isExportAssignment(s) || ts.isExportDeclaration(s); }); + ts.forEach(body.statements, function (s) { + addResult(s, mixinExportFlag_1 ? 1 /* ModifierFlags.Export */ : 0 /* ModifierFlags.None */); // Recalculates the ambient (and export, if applicable from above) flag + }); + statements = __spreadArray(__spreadArray([], ts.filter(statements, function (s) { return s !== ns && s !== exportAssignment; }), true), results, true); + } + } + return statements; + } + function mergeExportDeclarations(statements) { + // Pass 2: Combine all `export {}` declarations + var exports = ts.filter(statements, function (d) { return ts.isExportDeclaration(d) && !d.moduleSpecifier && !!d.exportClause && ts.isNamedExports(d.exportClause); }); + if (ts.length(exports) > 1) { + var nonExports = ts.filter(statements, function (d) { return !ts.isExportDeclaration(d) || !!d.moduleSpecifier || !d.exportClause; }); + statements = __spreadArray(__spreadArray([], nonExports, true), [ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports(ts.flatMap(exports, function (e) { return ts.cast(e.exportClause, ts.isNamedExports).elements; })), + /*moduleSpecifier*/ undefined)], false); + } + // Pass 2b: Also combine all `export {} from "..."` declarations as needed + var reexports = ts.filter(statements, function (d) { return ts.isExportDeclaration(d) && !!d.moduleSpecifier && !!d.exportClause && ts.isNamedExports(d.exportClause); }); + if (ts.length(reexports) > 1) { + var groups = ts.group(reexports, function (decl) { return ts.isStringLiteral(decl.moduleSpecifier) ? ">" + decl.moduleSpecifier.text : ">"; }); + if (groups.length !== reexports.length) { + var _loop_9 = function (group_1) { + if (group_1.length > 1) { + // remove group members from statements and then merge group members and add back to statements + statements = __spreadArray(__spreadArray([], ts.filter(statements, function (s) { return group_1.indexOf(s) === -1; }), true), [ + ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports(ts.flatMap(group_1, function (e) { return ts.cast(e.exportClause, ts.isNamedExports).elements; })), group_1[0].moduleSpecifier) + ], false); + } + }; + for (var _i = 0, groups_1 = groups; _i < groups_1.length; _i++) { + var group_1 = groups_1[_i]; + _loop_9(group_1); + } + } + } + return statements; + } + function inlineExportModifiers(statements) { + // Pass 3: Move all `export {}`'s to `export` modifiers where possible + var index = ts.findIndex(statements, function (d) { return ts.isExportDeclaration(d) && !d.moduleSpecifier && !d.assertClause && !!d.exportClause && ts.isNamedExports(d.exportClause); }); + if (index >= 0) { + var exportDecl = statements[index]; + var replacements = ts.mapDefined(exportDecl.exportClause.elements, function (e) { + if (!e.propertyName) { + // export {name} - look thru `statements` for `name`, and if all results can take an `export` modifier, do so and filter it + var indices = ts.indicesOf(statements); + var associatedIndices = ts.filter(indices, function (i) { return ts.nodeHasName(statements[i], e.name); }); + if (ts.length(associatedIndices) && ts.every(associatedIndices, function (i) { return canHaveExportModifier(statements[i]); })) { + for (var _i = 0, associatedIndices_1 = associatedIndices; _i < associatedIndices_1.length; _i++) { + var index_1 = associatedIndices_1[_i]; + statements[index_1] = addExportModifier(statements[index_1]); + } + return undefined; + } + } + return e; + }); + if (!ts.length(replacements)) { + // all clauses removed, remove the export declaration + ts.orderedRemoveItemAt(statements, index); + } + else { + // some items filtered, others not - update the export declaration + statements[index] = ts.factory.updateExportDeclaration(exportDecl, exportDecl.decorators, exportDecl.modifiers, exportDecl.isTypeOnly, ts.factory.updateNamedExports(exportDecl.exportClause, replacements), exportDecl.moduleSpecifier, exportDecl.assertClause); + } + } + return statements; + } + function mergeRedundantStatements(statements) { + statements = flattenExportAssignedNamespace(statements); + statements = mergeExportDeclarations(statements); + statements = inlineExportModifiers(statements); + // Not a cleanup, but as a final step: If there is a mix of `export` and non-`export` declarations, but no `export =` or `export {}` add a `export {};` so + // declaration privacy is respected. + if (enclosingDeclaration && + ((ts.isSourceFile(enclosingDeclaration) && ts.isExternalOrCommonJsModule(enclosingDeclaration)) || ts.isModuleDeclaration(enclosingDeclaration)) && + (!ts.some(statements, ts.isExternalModuleIndicator) || (!ts.hasScopeMarker(statements) && ts.some(statements, ts.needsScopeMarker)))) { + statements.push(ts.createEmptyExports(ts.factory)); + } + return statements; + } + function canHaveExportModifier(node) { + return ts.isEnumDeclaration(node) || + ts.isVariableStatement(node) || + ts.isFunctionDeclaration(node) || + ts.isClassDeclaration(node) || + (ts.isModuleDeclaration(node) && !ts.isExternalModuleAugmentation(node) && !ts.isGlobalScopeAugmentation(node)) || + ts.isInterfaceDeclaration(node) || + isTypeDeclaration(node); + } + function addExportModifier(node) { + var flags = (ts.getEffectiveModifierFlags(node) | 1 /* ModifierFlags.Export */) & ~2 /* ModifierFlags.Ambient */; + return ts.factory.updateModifiers(node, flags); + } + function removeExportModifier(node) { + var flags = ts.getEffectiveModifierFlags(node) & ~1 /* ModifierFlags.Export */; + return ts.factory.updateModifiers(node, flags); + } + function visitSymbolTable(symbolTable, suppressNewPrivateContext, propertyAsAlias) { + if (!suppressNewPrivateContext) { + deferredPrivatesStack.push(new ts.Map()); + } + symbolTable.forEach(function (symbol) { + serializeSymbol(symbol, /*isPrivate*/ false, !!propertyAsAlias); + }); + if (!suppressNewPrivateContext) { + // deferredPrivates will be filled up by visiting the symbol table + // And will continue to iterate as elements are added while visited `deferredPrivates` + // (As that's how a map iterator is defined to work) + deferredPrivatesStack[deferredPrivatesStack.length - 1].forEach(function (symbol) { + serializeSymbol(symbol, /*isPrivate*/ true, !!propertyAsAlias); + }); + deferredPrivatesStack.pop(); + } + } + function serializeSymbol(symbol, isPrivate, propertyAsAlias) { + // cache visited list based on merged symbol, since we want to use the unmerged top-level symbol, but + // still skip reserializing it if we encounter the merged product later on + var visitedSym = getMergedSymbol(symbol); + if (visitedSymbols.has(getSymbolId(visitedSym))) { + return; // Already printed + } + visitedSymbols.add(getSymbolId(visitedSym)); + // Only actually serialize symbols within the correct enclosing declaration, otherwise do nothing with the out-of-context symbol + var skipMembershipCheck = !isPrivate; // We only call this on exported symbols when we know they're in the correct scope + if (skipMembershipCheck || (!!ts.length(symbol.declarations) && ts.some(symbol.declarations, function (d) { return !!ts.findAncestor(d, function (n) { return n === enclosingDeclaration; }); }))) { + var oldContext = context; + context = cloneNodeBuilderContext(context); + var result = serializeSymbolWorker(symbol, isPrivate, propertyAsAlias); + if (context.reportedDiagnostic) { + oldcontext.reportedDiagnostic = context.reportedDiagnostic; // hoist diagnostic result into outer context + } + context = oldContext; + return result; + } + } + // Synthesize declarations for a symbol - might be an Interface, a Class, a Namespace, a Type, a Variable (const, let, or var), an Alias + // or a merge of some number of those. + // An interesting challenge is ensuring that when classes merge with namespaces and interfaces, is keeping + // each symbol in only one of the representations + // Also, synthesizing a default export of some kind + // If it's an alias: emit `export default ref` + // If it's a property: emit `export default _default` with a `_default` prop + // If it's a class/interface/function: emit a class/interface/function with a `default` modifier + // These forms can merge, eg (`export default 12; export default interface A {}`) + function serializeSymbolWorker(symbol, isPrivate, propertyAsAlias) { + var _a, _b, _c, _d; + var symbolName = ts.unescapeLeadingUnderscores(symbol.escapedName); + var isDefault = symbol.escapedName === "default" /* InternalSymbolName.Default */; + if (isPrivate && !(context.flags & 131072 /* NodeBuilderFlags.AllowAnonymousIdentifier */) && ts.isStringANonContextualKeyword(symbolName) && !isDefault) { + // Oh no. We cannot use this symbol's name as it's name... It's likely some jsdoc had an invalid name like `export` or `default` :( + context.encounteredError = true; + // TODO: Issue error via symbol tracker? + return; // If we need to emit a private with a keyword name, we're done for, since something else will try to refer to it by that name + } + var needsPostExportDefault = isDefault && !!(symbol.flags & -113 /* SymbolFlags.ExportDoesNotSupportDefaultModifier */ + || (symbol.flags & 16 /* SymbolFlags.Function */ && ts.length(getPropertiesOfType(getTypeOfSymbol(symbol))))) && !(symbol.flags & 2097152 /* SymbolFlags.Alias */); // An alias symbol should preclude needing to make an alias ourselves + var needsExportDeclaration = !needsPostExportDefault && !isPrivate && ts.isStringANonContextualKeyword(symbolName) && !isDefault; + // `serializeVariableOrProperty` will handle adding the export declaration if it is run (since `getInternalSymbolName` will create the name mapping), so we need to ensuer we unset `needsExportDeclaration` if it is + if (needsPostExportDefault || needsExportDeclaration) { + isPrivate = true; + } + var modifierFlags = (!isPrivate ? 1 /* ModifierFlags.Export */ : 0) | (isDefault && !needsPostExportDefault ? 512 /* ModifierFlags.Default */ : 0); + var isConstMergedWithNS = symbol.flags & 1536 /* SymbolFlags.Module */ && + symbol.flags & (2 /* SymbolFlags.BlockScopedVariable */ | 1 /* SymbolFlags.FunctionScopedVariable */ | 4 /* SymbolFlags.Property */) && + symbol.escapedName !== "export=" /* InternalSymbolName.ExportEquals */; + var isConstMergedWithNSPrintableAsSignatureMerge = isConstMergedWithNS && isTypeRepresentableAsFunctionNamespaceMerge(getTypeOfSymbol(symbol), symbol); + if (symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */) || isConstMergedWithNSPrintableAsSignatureMerge) { + serializeAsFunctionNamespaceMerge(getTypeOfSymbol(symbol), symbol, getInternalSymbolName(symbol, symbolName), modifierFlags); + } + if (symbol.flags & 524288 /* SymbolFlags.TypeAlias */) { + serializeTypeAlias(symbol, symbolName, modifierFlags); + } + // Need to skip over export= symbols below - json source files get a single `Property` flagged + // symbol of name `export=` which needs to be handled like an alias. It's not great, but it is what it is. + if (symbol.flags & (2 /* SymbolFlags.BlockScopedVariable */ | 1 /* SymbolFlags.FunctionScopedVariable */ | 4 /* SymbolFlags.Property */) + && symbol.escapedName !== "export=" /* InternalSymbolName.ExportEquals */ + && !(symbol.flags & 4194304 /* SymbolFlags.Prototype */) + && !(symbol.flags & 32 /* SymbolFlags.Class */) + && !isConstMergedWithNSPrintableAsSignatureMerge) { + if (propertyAsAlias) { + var createdExport = serializeMaybeAliasAssignment(symbol); + if (createdExport) { + needsExportDeclaration = false; + needsPostExportDefault = false; + } + } + else { + var type = getTypeOfSymbol(symbol); + var localName = getInternalSymbolName(symbol, symbolName); + if (!(symbol.flags & 16 /* SymbolFlags.Function */) && isTypeRepresentableAsFunctionNamespaceMerge(type, symbol)) { + // If the type looks like a function declaration + ns could represent it, and it's type is sourced locally, rewrite it into a function declaration + ns + serializeAsFunctionNamespaceMerge(type, symbol, localName, modifierFlags); + } + else { + // A Class + Property merge is made for a `module.exports.Member = class {}`, and it doesn't serialize well as either a class _or_ a property symbol - in fact, _it behaves like an alias!_ + // `var` is `FunctionScopedVariable`, `const` and `let` are `BlockScopedVariable`, and `module.exports.thing =` is `Property` + var flags = !(symbol.flags & 2 /* SymbolFlags.BlockScopedVariable */) + ? ((_a = symbol.parent) === null || _a === void 0 ? void 0 : _a.valueDeclaration) && ts.isSourceFile((_b = symbol.parent) === null || _b === void 0 ? void 0 : _b.valueDeclaration) + ? 2 /* NodeFlags.Const */ + : undefined + : isConstVariable(symbol) + ? 2 /* NodeFlags.Const */ + : 1 /* NodeFlags.Let */; + var name = (needsPostExportDefault || !(symbol.flags & 4 /* SymbolFlags.Property */)) ? localName : getUnusedName(localName, symbol); + var textRange = symbol.declarations && ts.find(symbol.declarations, function (d) { return ts.isVariableDeclaration(d); }); + if (textRange && ts.isVariableDeclarationList(textRange.parent) && textRange.parent.declarations.length === 1) { + textRange = textRange.parent.parent; + } + var propertyAccessRequire = (_c = symbol.declarations) === null || _c === void 0 ? void 0 : _c.find(ts.isPropertyAccessExpression); + if (propertyAccessRequire && ts.isBinaryExpression(propertyAccessRequire.parent) && ts.isIdentifier(propertyAccessRequire.parent.right) + && ((_d = type.symbol) === null || _d === void 0 ? void 0 : _d.valueDeclaration) && ts.isSourceFile(type.symbol.valueDeclaration)) { + var alias = localName === propertyAccessRequire.parent.right.escapedText ? undefined : propertyAccessRequire.parent.right; + addResult(ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, alias, localName)])), 0 /* ModifierFlags.None */); + context.tracker.trackSymbol(type.symbol, context.enclosingDeclaration, 111551 /* SymbolFlags.Value */); + } + else { + var statement = ts.setTextRange(ts.factory.createVariableStatement(/*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ + ts.factory.createVariableDeclaration(name, /*exclamationToken*/ undefined, serializeTypeForDeclaration(context, type, symbol, enclosingDeclaration, includePrivateSymbol, bundled)) + ], flags)), textRange); + addResult(statement, name !== localName ? modifierFlags & ~1 /* ModifierFlags.Export */ : modifierFlags); + if (name !== localName && !isPrivate) { + // We rename the variable declaration we generate for Property symbols since they may have a name which + // conflicts with a local declaration. For example, given input: + // ``` + // function g() {} + // module.exports.g = g + // ``` + // In such a situation, we have a local variable named `g`, and a separate exported variable named `g`. + // Naively, we would emit + // ``` + // function g() {} + // export const g: typeof g; + // ``` + // That's obviously incorrect - the `g` in the type annotation needs to refer to the local `g`, but + // the export declaration shadows it. + // To work around that, we instead write + // ``` + // function g() {} + // const g_1: typeof g; + // export { g_1 as g }; + // ``` + // To create an export named `g` that does _not_ shadow the local `g` + addResult(ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, name, localName)])), 0 /* ModifierFlags.None */); + needsExportDeclaration = false; + needsPostExportDefault = false; + } + } + } + } + } + if (symbol.flags & 384 /* SymbolFlags.Enum */) { + serializeEnum(symbol, symbolName, modifierFlags); + } + if (symbol.flags & 32 /* SymbolFlags.Class */) { + if (symbol.flags & 4 /* SymbolFlags.Property */ + && symbol.valueDeclaration + && ts.isBinaryExpression(symbol.valueDeclaration.parent) + && ts.isClassExpression(symbol.valueDeclaration.parent.right)) { + // Looks like a `module.exports.Sub = class {}` - if we serialize `symbol` as a class, the result will have no members, + // since the classiness is actually from the target of the effective alias the symbol is. yes. A BlockScopedVariable|Class|Property + // _really_ acts like an Alias, and none of a BlockScopedVariable, Class, or Property. This is the travesty of JS binding today. + serializeAsAlias(symbol, getInternalSymbolName(symbol, symbolName), modifierFlags); + } + else { + serializeAsClass(symbol, getInternalSymbolName(symbol, symbolName), modifierFlags); + } + } + if ((symbol.flags & (512 /* SymbolFlags.ValueModule */ | 1024 /* SymbolFlags.NamespaceModule */) && (!isConstMergedWithNS || isTypeOnlyNamespace(symbol))) || isConstMergedWithNSPrintableAsSignatureMerge) { + serializeModule(symbol, symbolName, modifierFlags); + } + // The class meaning serialization should handle serializing all interface members + if (symbol.flags & 64 /* SymbolFlags.Interface */ && !(symbol.flags & 32 /* SymbolFlags.Class */)) { + serializeInterface(symbol, symbolName, modifierFlags); + } + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + serializeAsAlias(symbol, getInternalSymbolName(symbol, symbolName), modifierFlags); + } + if (symbol.flags & 4 /* SymbolFlags.Property */ && symbol.escapedName === "export=" /* InternalSymbolName.ExportEquals */) { + serializeMaybeAliasAssignment(symbol); + } + if (symbol.flags & 8388608 /* SymbolFlags.ExportStar */) { + // synthesize export * from "moduleReference" + // Straightforward - only one thing to do - make an export declaration + if (symbol.declarations) { + for (var _i = 0, _e = symbol.declarations; _i < _e.length; _i++) { + var node = _e[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + if (!resolvedModule) + continue; + addResult(ts.factory.createExportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*isTypeOnly*/ false, /*exportClause*/ undefined, ts.factory.createStringLiteral(getSpecifierForModuleSymbol(resolvedModule, context))), 0 /* ModifierFlags.None */); + } + } + } + if (needsPostExportDefault) { + addResult(ts.factory.createExportAssignment(/*decorators*/ undefined, /*modifiers*/ undefined, /*isExportAssignment*/ false, ts.factory.createIdentifier(getInternalSymbolName(symbol, symbolName))), 0 /* ModifierFlags.None */); + } + else if (needsExportDeclaration) { + addResult(ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, getInternalSymbolName(symbol, symbolName), symbolName)])), 0 /* ModifierFlags.None */); + } + } + function includePrivateSymbol(symbol) { + if (ts.some(symbol.declarations, ts.isParameterDeclaration)) + return; + ts.Debug.assertIsDefined(deferredPrivatesStack[deferredPrivatesStack.length - 1]); + getUnusedName(ts.unescapeLeadingUnderscores(symbol.escapedName), symbol); // Call to cache unique name for symbol + // Blanket moving (import) aliases into the root private context should work, since imports are not valid within namespaces + // (so they must have been in the root to begin with if they were real imports) cjs `require` aliases (an upcoming feature) + // will throw a wrench in this, since those may have been nested, but we'll need to synthesize them in the outer scope + // anyway, as that's the only place the import they translate to is valid. In such a case, we might need to use a unique name + // for the moved import; which hopefully the above `getUnusedName` call should produce. + var isExternalImportAlias = !!(symbol.flags & 2097152 /* SymbolFlags.Alias */) && !ts.some(symbol.declarations, function (d) { + return !!ts.findAncestor(d, ts.isExportDeclaration) || + ts.isNamespaceExport(d) || + (ts.isImportEqualsDeclaration(d) && !ts.isExternalModuleReference(d.moduleReference)); + }); + deferredPrivatesStack[isExternalImportAlias ? 0 : (deferredPrivatesStack.length - 1)].set(getSymbolId(symbol), symbol); + } + function isExportingScope(enclosingDeclaration) { + return ((ts.isSourceFile(enclosingDeclaration) && (ts.isExternalOrCommonJsModule(enclosingDeclaration) || ts.isJsonSourceFile(enclosingDeclaration))) || + (ts.isAmbientModule(enclosingDeclaration) && !ts.isGlobalScopeAugmentation(enclosingDeclaration))); + } + // Prepends a `declare` and/or `export` modifier if the context requires it, and then adds `node` to `result` and returns `node` + function addResult(node, additionalModifierFlags) { + if (ts.canHaveModifiers(node)) { + var newModifierFlags = 0 /* ModifierFlags.None */; + var enclosingDeclaration_1 = context.enclosingDeclaration && + (ts.isJSDocTypeAlias(context.enclosingDeclaration) ? ts.getSourceFileOfNode(context.enclosingDeclaration) : context.enclosingDeclaration); + if (additionalModifierFlags & 1 /* ModifierFlags.Export */ && + enclosingDeclaration_1 && (isExportingScope(enclosingDeclaration_1) || ts.isModuleDeclaration(enclosingDeclaration_1)) && + canHaveExportModifier(node)) { + // Classes, namespaces, variables, functions, interfaces, and types should all be `export`ed in a module context if not private + newModifierFlags |= 1 /* ModifierFlags.Export */; + } + if (addingDeclare && !(newModifierFlags & 1 /* ModifierFlags.Export */) && + (!enclosingDeclaration_1 || !(enclosingDeclaration_1.flags & 16777216 /* NodeFlags.Ambient */)) && + (ts.isEnumDeclaration(node) || ts.isVariableStatement(node) || ts.isFunctionDeclaration(node) || ts.isClassDeclaration(node) || ts.isModuleDeclaration(node))) { + // Classes, namespaces, variables, enums, and functions all need `declare` modifiers to be valid in a declaration file top-level scope + newModifierFlags |= 2 /* ModifierFlags.Ambient */; + } + if ((additionalModifierFlags & 512 /* ModifierFlags.Default */) && (ts.isClassDeclaration(node) || ts.isInterfaceDeclaration(node) || ts.isFunctionDeclaration(node))) { + newModifierFlags |= 512 /* ModifierFlags.Default */; + } + if (newModifierFlags) { + node = ts.factory.updateModifiers(node, newModifierFlags | ts.getEffectiveModifierFlags(node)); + } + } + results.push(node); + } + function serializeTypeAlias(symbol, symbolName, modifierFlags) { + var _a; + var aliasType = getDeclaredTypeOfTypeAlias(symbol); + var typeParams = getSymbolLinks(symbol).typeParameters; + var typeParamDecls = ts.map(typeParams, function (p) { return typeParameterToDeclaration(p, context); }); + var jsdocAliasDecl = (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isJSDocTypeAlias); + var commentText = ts.getTextOfJSDocComment(jsdocAliasDecl ? jsdocAliasDecl.comment || jsdocAliasDecl.parent.comment : undefined); + var oldFlags = context.flags; + context.flags |= 8388608 /* NodeBuilderFlags.InTypeAlias */; + var oldEnclosingDecl = context.enclosingDeclaration; + context.enclosingDeclaration = jsdocAliasDecl; + var typeNode = jsdocAliasDecl && jsdocAliasDecl.typeExpression + && ts.isJSDocTypeExpression(jsdocAliasDecl.typeExpression) + && serializeExistingTypeNode(context, jsdocAliasDecl.typeExpression.type, includePrivateSymbol, bundled) + || typeToTypeNodeHelper(aliasType, context); + addResult(ts.setSyntheticLeadingComments(ts.factory.createTypeAliasDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, getInternalSymbolName(symbol, symbolName), typeParamDecls, typeNode), !commentText ? [] : [{ kind: 3 /* SyntaxKind.MultiLineCommentTrivia */, text: "*\n * " + commentText.replace(/\n/g, "\n * ") + "\n ", pos: -1, end: -1, hasTrailingNewLine: true }]), modifierFlags); + context.flags = oldFlags; + context.enclosingDeclaration = oldEnclosingDecl; + } + function serializeInterface(symbol, symbolName, modifierFlags) { + var interfaceType = getDeclaredTypeOfClassOrInterface(symbol); + var localParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + var typeParamDecls = ts.map(localParams, function (p) { return typeParameterToDeclaration(p, context); }); + var baseTypes = getBaseTypes(interfaceType); + var baseType = ts.length(baseTypes) ? getIntersectionType(baseTypes) : undefined; + var members = ts.flatMap(getPropertiesOfType(interfaceType), function (p) { return serializePropertySymbolForInterface(p, baseType); }); + var callSignatures = serializeSignatures(0 /* SignatureKind.Call */, interfaceType, baseType, 174 /* SyntaxKind.CallSignature */); + var constructSignatures = serializeSignatures(1 /* SignatureKind.Construct */, interfaceType, baseType, 175 /* SyntaxKind.ConstructSignature */); + var indexSignatures = serializeIndexSignatures(interfaceType, baseType); + var heritageClauses = !ts.length(baseTypes) ? undefined : [ts.factory.createHeritageClause(94 /* SyntaxKind.ExtendsKeyword */, ts.mapDefined(baseTypes, function (b) { return trySerializeAsTypeReference(b, 111551 /* SymbolFlags.Value */); }))]; + addResult(ts.factory.createInterfaceDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, getInternalSymbolName(symbol, symbolName), typeParamDecls, heritageClauses, __spreadArray(__spreadArray(__spreadArray(__spreadArray([], indexSignatures, true), constructSignatures, true), callSignatures, true), members, true)), modifierFlags); + } + function getNamespaceMembersForSerialization(symbol) { + return !symbol.exports ? [] : ts.filter(ts.arrayFrom(symbol.exports.values()), isNamespaceMember); + } + function isTypeOnlyNamespace(symbol) { + return ts.every(getNamespaceMembersForSerialization(symbol), function (m) { return !(resolveSymbol(m).flags & 111551 /* SymbolFlags.Value */); }); + } + function serializeModule(symbol, symbolName, modifierFlags) { + var members = getNamespaceMembersForSerialization(symbol); + // Split NS members up by declaration - members whose parent symbol is the ns symbol vs those whose is not (but were added in later via merging) + var locationMap = ts.arrayToMultiMap(members, function (m) { return m.parent && m.parent === symbol ? "real" : "merged"; }); + var realMembers = locationMap.get("real") || ts.emptyArray; + var mergedMembers = locationMap.get("merged") || ts.emptyArray; + // TODO: `suppressNewPrivateContext` is questionable -we need to simply be emitting privates in whatever scope they were declared in, rather + // than whatever scope we traverse to them in. That's a bit of a complex rewrite, since we're not _actually_ tracking privates at all in advance, + // so we don't even have placeholders to fill in. + if (ts.length(realMembers)) { + var localName = getInternalSymbolName(symbol, symbolName); + serializeAsNamespaceDeclaration(realMembers, localName, modifierFlags, !!(symbol.flags & (16 /* SymbolFlags.Function */ | 67108864 /* SymbolFlags.Assignment */))); + } + if (ts.length(mergedMembers)) { + var containingFile_1 = ts.getSourceFileOfNode(context.enclosingDeclaration); + var localName = getInternalSymbolName(symbol, symbolName); + var nsBody = ts.factory.createModuleBlock([ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports(ts.mapDefined(ts.filter(mergedMembers, function (n) { return n.escapedName !== "export=" /* InternalSymbolName.ExportEquals */; }), function (s) { + var _a, _b; + var name = ts.unescapeLeadingUnderscores(s.escapedName); + var localName = getInternalSymbolName(s, name); + var aliasDecl = s.declarations && getDeclarationOfAliasSymbol(s); + if (containingFile_1 && (aliasDecl ? containingFile_1 !== ts.getSourceFileOfNode(aliasDecl) : !ts.some(s.declarations, function (d) { return ts.getSourceFileOfNode(d) === containingFile_1; }))) { + (_b = (_a = context.tracker) === null || _a === void 0 ? void 0 : _a.reportNonlocalAugmentation) === null || _b === void 0 ? void 0 : _b.call(_a, containingFile_1, symbol, s); + return undefined; + } + var target = aliasDecl && getTargetOfAliasDeclaration(aliasDecl, /*dontRecursivelyResolve*/ true); + includePrivateSymbol(target || s); + var targetName = target ? getInternalSymbolName(target, ts.unescapeLeadingUnderscores(target.escapedName)) : localName; + return ts.factory.createExportSpecifier(/*isTypeOnly*/ false, name === targetName ? undefined : targetName, name); + })))]); + addResult(ts.factory.createModuleDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createIdentifier(localName), nsBody, 16 /* NodeFlags.Namespace */), 0 /* ModifierFlags.None */); + } + } + function serializeEnum(symbol, symbolName, modifierFlags) { + addResult(ts.factory.createEnumDeclaration( + /*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags(isConstEnumSymbol(symbol) ? 2048 /* ModifierFlags.Const */ : 0), getInternalSymbolName(symbol, symbolName), ts.map(ts.filter(getPropertiesOfType(getTypeOfSymbol(symbol)), function (p) { return !!(p.flags & 8 /* SymbolFlags.EnumMember */); }), function (p) { + // TODO: Handle computed names + // I hate that to get the initialized value we need to walk back to the declarations here; but there's no + // other way to get the possible const value of an enum member that I'm aware of, as the value is cached + // _on the declaration_, not on the declaration's symbol... + var initializedValue = p.declarations && p.declarations[0] && ts.isEnumMember(p.declarations[0]) ? getConstantValue(p.declarations[0]) : undefined; + return ts.factory.createEnumMember(ts.unescapeLeadingUnderscores(p.escapedName), initializedValue === undefined ? undefined : + typeof initializedValue === "string" ? ts.factory.createStringLiteral(initializedValue) : + ts.factory.createNumericLiteral(initializedValue)); + })), modifierFlags); + } + function serializeAsFunctionNamespaceMerge(type, symbol, localName, modifierFlags) { + var signatures = getSignaturesOfType(type, 0 /* SignatureKind.Call */); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var sig = signatures_2[_i]; + // Each overload becomes a separate function declaration, in order + var decl = signatureToSignatureDeclarationHelper(sig, 256 /* SyntaxKind.FunctionDeclaration */, context, { name: ts.factory.createIdentifier(localName), privateSymbolVisitor: includePrivateSymbol, bundledImports: bundled }); + addResult(ts.setTextRange(decl, getSignatureTextRangeLocation(sig)), modifierFlags); + } + // Module symbol emit will take care of module-y members, provided it has exports + if (!(symbol.flags & (512 /* SymbolFlags.ValueModule */ | 1024 /* SymbolFlags.NamespaceModule */) && !!symbol.exports && !!symbol.exports.size)) { + var props = ts.filter(getPropertiesOfType(type), isNamespaceMember); + serializeAsNamespaceDeclaration(props, localName, modifierFlags, /*suppressNewPrivateContext*/ true); + } + } + function getSignatureTextRangeLocation(signature) { + if (signature.declaration && signature.declaration.parent) { + if (ts.isBinaryExpression(signature.declaration.parent) && ts.getAssignmentDeclarationKind(signature.declaration.parent) === 5 /* AssignmentDeclarationKind.Property */) { + return signature.declaration.parent; + } + // for expressions assigned to `var`s, use the `var` as the text range + if (ts.isVariableDeclaration(signature.declaration.parent) && signature.declaration.parent.parent) { + return signature.declaration.parent.parent; + } + } + return signature.declaration; + } + function serializeAsNamespaceDeclaration(props, localName, modifierFlags, suppressNewPrivateContext) { + if (ts.length(props)) { + var localVsRemoteMap = ts.arrayToMultiMap(props, function (p) { + return !ts.length(p.declarations) || ts.some(p.declarations, function (d) { + return ts.getSourceFileOfNode(d) === ts.getSourceFileOfNode(context.enclosingDeclaration); + }) ? "local" : "remote"; + }); + var localProps = localVsRemoteMap.get("local") || ts.emptyArray; + // handle remote props first - we need to make an `import` declaration that points at the module containing each remote + // prop in the outermost scope (TODO: a namespace within a namespace would need to be appropriately handled by this) + // Example: + // import Foo_1 = require("./exporter"); + // export namespace ns { + // import Foo = Foo_1.Foo; + // export { Foo }; + // export const c: number; + // } + // This is needed because in JS, statements like `const x = require("./f")` support both type and value lookup, even if they're + // normally just value lookup (so it functions kinda like an alias even when it's not an alias) + // _Usually_, we'll simply print the top-level as an alias instead of a `var` in such situations, however is is theoretically + // possible to encounter a situation where a type has members from both the current file and other files - in those situations, + // emit akin to the above would be needed. + // Add a namespace + // Create namespace as non-synthetic so it is usable as an enclosing declaration + var fakespace = ts.parseNodeFactory.createModuleDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.factory.createIdentifier(localName), ts.factory.createModuleBlock([]), 16 /* NodeFlags.Namespace */); + ts.setParent(fakespace, enclosingDeclaration); + fakespace.locals = ts.createSymbolTable(props); + fakespace.symbol = props[0].parent; + var oldResults = results; + results = []; + var oldAddingDeclare = addingDeclare; + addingDeclare = false; + var subcontext = __assign(__assign({}, context), { enclosingDeclaration: fakespace }); + var oldContext = context; + context = subcontext; + // TODO: implement handling for the localVsRemoteMap.get("remote") - should be difficult to trigger (see comment above), as only interesting cross-file js merges should make this possible + visitSymbolTable(ts.createSymbolTable(localProps), suppressNewPrivateContext, /*propertyAsAlias*/ true); + context = oldContext; + addingDeclare = oldAddingDeclare; + var declarations = results; + results = oldResults; + // replace namespace with synthetic version + var defaultReplaced = ts.map(declarations, function (d) { return ts.isExportAssignment(d) && !d.isExportEquals && ts.isIdentifier(d.expression) ? ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, d.expression, ts.factory.createIdentifier("default" /* InternalSymbolName.Default */))])) : d; }); + var exportModifierStripped = ts.every(defaultReplaced, function (d) { return ts.hasSyntacticModifier(d, 1 /* ModifierFlags.Export */); }) ? ts.map(defaultReplaced, removeExportModifier) : defaultReplaced; + fakespace = ts.factory.updateModuleDeclaration(fakespace, fakespace.decorators, fakespace.modifiers, fakespace.name, ts.factory.createModuleBlock(exportModifierStripped)); + addResult(fakespace, modifierFlags); // namespaces can never be default exported + } + } + function isNamespaceMember(p) { + return !!(p.flags & (788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */)) || + !(p.flags & 4194304 /* SymbolFlags.Prototype */ || p.escapedName === "prototype" || p.valueDeclaration && ts.isStatic(p.valueDeclaration) && ts.isClassLike(p.valueDeclaration.parent)); + } + function sanitizeJSDocImplements(clauses) { + var result = ts.mapDefined(clauses, function (e) { + var _a; + var oldEnclosing = context.enclosingDeclaration; + context.enclosingDeclaration = e; + var expr = e.expression; + if (ts.isEntityNameExpression(expr)) { + if (ts.isIdentifier(expr) && ts.idText(expr) === "") { + return cleanup(/*result*/ undefined); // Empty heritage clause, should be an error, but prefer emitting no heritage clauses to reemitting the empty one + } + var introducesError = void 0; + (_a = trackExistingEntityName(expr, context, includePrivateSymbol), introducesError = _a.introducesError, expr = _a.node); + if (introducesError) { + return cleanup(/*result*/ undefined); + } + } + return cleanup(ts.factory.createExpressionWithTypeArguments(expr, ts.map(e.typeArguments, function (a) { + return serializeExistingTypeNode(context, a, includePrivateSymbol, bundled) + || typeToTypeNodeHelper(getTypeFromTypeNode(a), context); + }))); + function cleanup(result) { + context.enclosingDeclaration = oldEnclosing; + return result; + } + }); + if (result.length === clauses.length) { + return result; + } + return undefined; + } + function serializeAsClass(symbol, localName, modifierFlags) { + var _a, _b; + var originalDecl = (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isClassLike); + var oldEnclosing = context.enclosingDeclaration; + context.enclosingDeclaration = originalDecl || oldEnclosing; + var localParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + var typeParamDecls = ts.map(localParams, function (p) { return typeParameterToDeclaration(p, context); }); + var classType = getDeclaredTypeOfClassOrInterface(symbol); + var baseTypes = getBaseTypes(classType); + var originalImplements = originalDecl && ts.getEffectiveImplementsTypeNodes(originalDecl); + var implementsExpressions = originalImplements && sanitizeJSDocImplements(originalImplements) + || ts.mapDefined(getImplementsTypes(classType), serializeImplementedType); + var staticType = getTypeOfSymbol(symbol); + var isClass = !!((_b = staticType.symbol) === null || _b === void 0 ? void 0 : _b.valueDeclaration) && ts.isClassLike(staticType.symbol.valueDeclaration); + var staticBaseType = isClass + ? getBaseConstructorTypeOfClass(staticType) + : anyType; + var heritageClauses = __spreadArray(__spreadArray([], !ts.length(baseTypes) ? [] : [ts.factory.createHeritageClause(94 /* SyntaxKind.ExtendsKeyword */, ts.map(baseTypes, function (b) { return serializeBaseType(b, staticBaseType, localName); }))], true), !ts.length(implementsExpressions) ? [] : [ts.factory.createHeritageClause(117 /* SyntaxKind.ImplementsKeyword */, implementsExpressions)], true); + var symbolProps = getNonInterhitedProperties(classType, baseTypes, getPropertiesOfType(classType)); + var publicSymbolProps = ts.filter(symbolProps, function (s) { + // `valueDeclaration` could be undefined if inherited from + // a union/intersection base type, but inherited properties + // don't matter here. + var valueDecl = s.valueDeclaration; + return !!valueDecl && !(ts.isNamedDeclaration(valueDecl) && ts.isPrivateIdentifier(valueDecl.name)); + }); + var hasPrivateIdentifier = ts.some(symbolProps, function (s) { + // `valueDeclaration` could be undefined if inherited from + // a union/intersection base type, but inherited properties + // don't matter here. + var valueDecl = s.valueDeclaration; + return !!valueDecl && ts.isNamedDeclaration(valueDecl) && ts.isPrivateIdentifier(valueDecl.name); + }); + // Boil down all private properties into a single one. + var privateProperties = hasPrivateIdentifier ? + [ts.factory.createPropertyDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createPrivateIdentifier("#private"), + /*questionOrExclamationToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined)] : + ts.emptyArray; + var publicProperties = ts.flatMap(publicSymbolProps, function (p) { return serializePropertySymbolForClass(p, /*isStatic*/ false, baseTypes[0]); }); + // Consider static members empty if symbol also has function or module meaning - function namespacey emit will handle statics + var staticMembers = ts.flatMap(ts.filter(getPropertiesOfType(staticType), function (p) { return !(p.flags & 4194304 /* SymbolFlags.Prototype */) && p.escapedName !== "prototype" && !isNamespaceMember(p); }), function (p) { return serializePropertySymbolForClass(p, /*isStatic*/ true, staticBaseType); }); + // When we encounter an `X.prototype.y` assignment in a JS file, we bind `X` as a class regardless as to whether + // the value is ever initialized with a class or function-like value. For cases where `X` could never be + // created via `new`, we will inject a `private constructor()` declaration to indicate it is not createable. + var isNonConstructableClassLikeInJsFile = !isClass && + !!symbol.valueDeclaration && + ts.isInJSFile(symbol.valueDeclaration) && + !ts.some(getSignaturesOfType(staticType, 1 /* SignatureKind.Construct */)); + var constructors = isNonConstructableClassLikeInJsFile ? + [ts.factory.createConstructorDeclaration(/*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags(8 /* ModifierFlags.Private */), [], /*body*/ undefined)] : + serializeSignatures(1 /* SignatureKind.Construct */, staticType, staticBaseType, 171 /* SyntaxKind.Constructor */); + var indexSignatures = serializeIndexSignatures(classType, baseTypes[0]); + context.enclosingDeclaration = oldEnclosing; + addResult(ts.setTextRange(ts.factory.createClassDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, localName, typeParamDecls, heritageClauses, __spreadArray(__spreadArray(__spreadArray(__spreadArray(__spreadArray([], indexSignatures, true), staticMembers, true), constructors, true), publicProperties, true), privateProperties, true)), symbol.declarations && ts.filter(symbol.declarations, function (d) { return ts.isClassDeclaration(d) || ts.isClassExpression(d); })[0]), modifierFlags); + } + function getSomeTargetNameFromDeclarations(declarations) { + return ts.firstDefined(declarations, function (d) { + if (ts.isImportSpecifier(d) || ts.isExportSpecifier(d)) { + return ts.idText(d.propertyName || d.name); + } + if (ts.isBinaryExpression(d) || ts.isExportAssignment(d)) { + var expression = ts.isExportAssignment(d) ? d.expression : d.right; + if (ts.isPropertyAccessExpression(expression)) { + return ts.idText(expression.name); + } + } + if (isAliasSymbolDeclaration(d)) { + // This is... heuristic, at best. But it's probably better than always printing the name of the shorthand ambient module. + var name = ts.getNameOfDeclaration(d); + if (name && ts.isIdentifier(name)) { + return ts.idText(name); + } + } + return undefined; + }); + } + function serializeAsAlias(symbol, localName, modifierFlags) { + var _a, _b, _c, _d, _e; + // synthesize an alias, eg `export { symbolName as Name }` + // need to mark the alias `symbol` points at + // as something we need to serialize as a private declaration as well + var node = getDeclarationOfAliasSymbol(symbol); + if (!node) + return ts.Debug.fail(); + var target = getMergedSymbol(getTargetOfAliasDeclaration(node, /*dontRecursivelyResolve*/ true)); + if (!target) { + return; + } + // If `target` refers to a shorthand module symbol, the name we're trying to pull out isn;t recoverable from the target symbol + // In such a scenario, we must fall back to looking for an alias declaration on `symbol` and pulling the target name from that + var verbatimTargetName = ts.isShorthandAmbientModuleSymbol(target) && getSomeTargetNameFromDeclarations(symbol.declarations) || ts.unescapeLeadingUnderscores(target.escapedName); + if (verbatimTargetName === "export=" /* InternalSymbolName.ExportEquals */ && (ts.getESModuleInterop(compilerOptions) || compilerOptions.allowSyntheticDefaultImports)) { + // target refers to an `export=` symbol that was hoisted into a synthetic default - rename here to match + verbatimTargetName = "default" /* InternalSymbolName.Default */; + } + var targetName = getInternalSymbolName(target, verbatimTargetName); + includePrivateSymbol(target); // the target may be within the same scope - attempt to serialize it first + switch (node.kind) { + case 203 /* SyntaxKind.BindingElement */: + if (((_b = (_a = node.parent) === null || _a === void 0 ? void 0 : _a.parent) === null || _b === void 0 ? void 0 : _b.kind) === 254 /* SyntaxKind.VariableDeclaration */) { + // const { SomeClass } = require('./lib'); + var specifier_1 = getSpecifierForModuleSymbol(target.parent || target, context); // './lib' + var propertyName = node.propertyName; + addResult(ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, /*name*/ undefined, ts.factory.createNamedImports([ts.factory.createImportSpecifier( + /*isTypeOnly*/ false, propertyName && ts.isIdentifier(propertyName) ? ts.factory.createIdentifier(ts.idText(propertyName)) : undefined, ts.factory.createIdentifier(localName))])), ts.factory.createStringLiteral(specifier_1), + /*importClause*/ undefined), 0 /* ModifierFlags.None */); + break; + } + // We don't know how to serialize this (nested?) binding element + ts.Debug.failBadSyntaxKind(((_c = node.parent) === null || _c === void 0 ? void 0 : _c.parent) || node, "Unhandled binding element grandparent kind in declaration serialization"); + break; + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + if (((_e = (_d = node.parent) === null || _d === void 0 ? void 0 : _d.parent) === null || _e === void 0 ? void 0 : _e.kind) === 221 /* SyntaxKind.BinaryExpression */) { + // module.exports = { SomeClass } + serializeExportSpecifier(ts.unescapeLeadingUnderscores(symbol.escapedName), targetName); + } + break; + case 254 /* SyntaxKind.VariableDeclaration */: + // commonjs require: const x = require('y') + if (ts.isPropertyAccessExpression(node.initializer)) { + // const x = require('y').z + var initializer = node.initializer; // require('y').z + var uniqueName = ts.factory.createUniqueName(localName); // _x + var specifier_2 = getSpecifierForModuleSymbol(target.parent || target, context); // 'y' + // import _x = require('y'); + addResult(ts.factory.createImportEqualsDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, uniqueName, ts.factory.createExternalModuleReference(ts.factory.createStringLiteral(specifier_2))), 0 /* ModifierFlags.None */); + // import x = _x.z + addResult(ts.factory.createImportEqualsDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createIdentifier(localName), ts.factory.createQualifiedName(uniqueName, initializer.name)), modifierFlags); + break; + } + // else fall through and treat commonjs require just like import= + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + // This _specifically_ only exists to handle json declarations - where we make aliases, but since + // we emit no declarations for the json document, must not refer to it in the declarations + if (target.escapedName === "export=" /* InternalSymbolName.ExportEquals */ && ts.some(target.declarations, ts.isJsonSourceFile)) { + serializeMaybeAliasAssignment(symbol); + break; + } + // Could be a local `import localName = ns.member` or + // an external `import localName = require("whatever")` + var isLocalImport = !(target.flags & 512 /* SymbolFlags.ValueModule */) && !ts.isVariableDeclaration(node); + addResult(ts.factory.createImportEqualsDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createIdentifier(localName), isLocalImport + ? symbolToName(target, context, 67108863 /* SymbolFlags.All */, /*expectsIdentifier*/ false) + : ts.factory.createExternalModuleReference(ts.factory.createStringLiteral(getSpecifierForModuleSymbol(target, context)))), isLocalImport ? modifierFlags : 0 /* ModifierFlags.None */); + break; + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + // export as namespace foo + // TODO: Not part of a file's local or export symbol tables + // Is bound into file.symbol.globalExports instead, which we don't currently traverse + addResult(ts.factory.createNamespaceExportDeclaration(ts.idText(node.name)), 0 /* ModifierFlags.None */); + break; + case 267 /* SyntaxKind.ImportClause */: + addResult(ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, ts.factory.createIdentifier(localName), /*namedBindings*/ undefined), + // We use `target.parent || target` below as `target.parent` is unset when the target is a module which has been export assigned + // And then made into a default by the `esModuleInterop` or `allowSyntheticDefaultImports` flag + // In such cases, the `target` refers to the module itself already + ts.factory.createStringLiteral(getSpecifierForModuleSymbol(target.parent || target, context)), + /*assertClause*/ undefined), 0 /* ModifierFlags.None */); + break; + case 268 /* SyntaxKind.NamespaceImport */: + addResult(ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, /*importClause*/ undefined, ts.factory.createNamespaceImport(ts.factory.createIdentifier(localName))), ts.factory.createStringLiteral(getSpecifierForModuleSymbol(target, context)), + /*assertClause*/ undefined), 0 /* ModifierFlags.None */); + break; + case 274 /* SyntaxKind.NamespaceExport */: + addResult(ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamespaceExport(ts.factory.createIdentifier(localName)), ts.factory.createStringLiteral(getSpecifierForModuleSymbol(target, context))), 0 /* ModifierFlags.None */); + break; + case 270 /* SyntaxKind.ImportSpecifier */: + addResult(ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createImportClause( + /*isTypeOnly*/ false, + /*importClause*/ undefined, ts.factory.createNamedImports([ + ts.factory.createImportSpecifier( + /*isTypeOnly*/ false, localName !== verbatimTargetName ? ts.factory.createIdentifier(verbatimTargetName) : undefined, ts.factory.createIdentifier(localName)) + ])), ts.factory.createStringLiteral(getSpecifierForModuleSymbol(target.parent || target, context)), + /*assertClause*/ undefined), 0 /* ModifierFlags.None */); + break; + case 275 /* SyntaxKind.ExportSpecifier */: + // does not use localName because the symbol name in this case refers to the name in the exports table, + // which we must exactly preserve + var specifier = node.parent.parent.moduleSpecifier; + // targetName is only used when the target is local, as otherwise the target is an alias that points at + // another file + serializeExportSpecifier(ts.unescapeLeadingUnderscores(symbol.escapedName), specifier ? verbatimTargetName : targetName, specifier && ts.isStringLiteralLike(specifier) ? ts.factory.createStringLiteral(specifier.text) : undefined); + break; + case 271 /* SyntaxKind.ExportAssignment */: + serializeMaybeAliasAssignment(symbol); + break; + case 221 /* SyntaxKind.BinaryExpression */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + // Could be best encoded as though an export specifier or as though an export assignment + // If name is default or export=, do an export assignment + // Otherwise do an export specifier + if (symbol.escapedName === "default" /* InternalSymbolName.Default */ || symbol.escapedName === "export=" /* InternalSymbolName.ExportEquals */) { + serializeMaybeAliasAssignment(symbol); + } + else { + serializeExportSpecifier(localName, targetName); + } + break; + default: + return ts.Debug.failBadSyntaxKind(node, "Unhandled alias declaration kind in symbol serializer!"); + } + } + function serializeExportSpecifier(localName, targetName, specifier) { + addResult(ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, localName !== targetName ? targetName : undefined, localName)]), specifier), 0 /* ModifierFlags.None */); + } + /** + * Returns `true` if an export assignment or declaration was produced for the symbol + */ + function serializeMaybeAliasAssignment(symbol) { + if (symbol.flags & 4194304 /* SymbolFlags.Prototype */) { + return false; + } + var name = ts.unescapeLeadingUnderscores(symbol.escapedName); + var isExportEquals = name === "export=" /* InternalSymbolName.ExportEquals */; + var isDefault = name === "default" /* InternalSymbolName.Default */; + var isExportAssignmentCompatibleSymbolName = isExportEquals || isDefault; + // synthesize export = ref + // ref should refer to either be a locally scoped symbol which we need to emit, or + // a reference to another namespace/module which we may need to emit an `import` statement for + var aliasDecl = symbol.declarations && getDeclarationOfAliasSymbol(symbol); + // serialize what the alias points to, preserve the declaration's initializer + var target = aliasDecl && getTargetOfAliasDeclaration(aliasDecl, /*dontRecursivelyResolve*/ true); + // If the target resolves and resolves to a thing defined in this file, emit as an alias, otherwise emit as a const + if (target && ts.length(target.declarations) && ts.some(target.declarations, function (d) { return ts.getSourceFileOfNode(d) === ts.getSourceFileOfNode(enclosingDeclaration); })) { + // In case `target` refers to a namespace member, look at the declaration and serialize the leftmost symbol in it + // eg, `namespace A { export class B {} }; exports = A.B;` + // Technically, this is all that's required in the case where the assignment is an entity name expression + var expr = aliasDecl && ((ts.isExportAssignment(aliasDecl) || ts.isBinaryExpression(aliasDecl)) ? ts.getExportAssignmentExpression(aliasDecl) : ts.getPropertyAssignmentAliasLikeExpression(aliasDecl)); + var first_1 = expr && ts.isEntityNameExpression(expr) ? getFirstNonModuleExportsIdentifier(expr) : undefined; + var referenced = first_1 && resolveEntityName(first_1, 67108863 /* SymbolFlags.All */, /*ignoreErrors*/ true, /*dontResolveAlias*/ true, enclosingDeclaration); + if (referenced || target) { + includePrivateSymbol(referenced || target); + } + // We disable the context's symbol tracker for the duration of this name serialization + // as, by virtue of being here, the name is required to print something, and we don't want to + // issue a visibility error on it. Only anonymous classes that an alias points at _would_ issue + // a visibility error here (as they're not visible within any scope), but we want to hoist them + // into the containing scope anyway, so we want to skip the visibility checks. + var oldTrack = context.tracker.trackSymbol; + context.tracker.trackSymbol = function () { return false; }; + if (isExportAssignmentCompatibleSymbolName) { + results.push(ts.factory.createExportAssignment( + /*decorators*/ undefined, + /*modifiers*/ undefined, isExportEquals, symbolToExpression(target, context, 67108863 /* SymbolFlags.All */))); + } + else { + if (first_1 === expr && first_1) { + // serialize as `export {target as name}` + serializeExportSpecifier(name, ts.idText(first_1)); + } + else if (expr && ts.isClassExpression(expr)) { + serializeExportSpecifier(name, getInternalSymbolName(target, ts.symbolName(target))); + } + else { + // serialize as `import _Ref = t.arg.et; export { _Ref as name }` + var varName = getUnusedName(name, symbol); + addResult(ts.factory.createImportEqualsDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createIdentifier(varName), symbolToName(target, context, 67108863 /* SymbolFlags.All */, /*expectsIdentifier*/ false)), 0 /* ModifierFlags.None */); + serializeExportSpecifier(name, varName); + } + } + context.tracker.trackSymbol = oldTrack; + return true; + } + else { + // serialize as an anonymous property declaration + var varName = getUnusedName(name, symbol); + // We have to use `getWidenedType` here since the object within a json file is unwidened within the file + // (Unwidened types can only exist in expression contexts and should never be serialized) + var typeToSerialize = getWidenedType(getTypeOfSymbol(getMergedSymbol(symbol))); + if (isTypeRepresentableAsFunctionNamespaceMerge(typeToSerialize, symbol)) { + // If there are no index signatures and `typeToSerialize` is an object type, emit as a namespace instead of a const + serializeAsFunctionNamespaceMerge(typeToSerialize, symbol, varName, isExportAssignmentCompatibleSymbolName ? 0 /* ModifierFlags.None */ : 1 /* ModifierFlags.Export */); + } + else { + var statement = ts.factory.createVariableStatement(/*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ + ts.factory.createVariableDeclaration(varName, /*exclamationToken*/ undefined, serializeTypeForDeclaration(context, typeToSerialize, symbol, enclosingDeclaration, includePrivateSymbol, bundled)) + ], 2 /* NodeFlags.Const */)); + // Inlined JSON types exported with [module.]exports= will already emit an export=, so should use `declare`. + // Otherwise, the type itself should be exported. + addResult(statement, target && target.flags & 4 /* SymbolFlags.Property */ && target.escapedName === "export=" /* InternalSymbolName.ExportEquals */ ? 2 /* ModifierFlags.Ambient */ + : name === varName ? 1 /* ModifierFlags.Export */ + : 0 /* ModifierFlags.None */); + } + if (isExportAssignmentCompatibleSymbolName) { + results.push(ts.factory.createExportAssignment( + /*decorators*/ undefined, + /*modifiers*/ undefined, isExportEquals, ts.factory.createIdentifier(varName))); + return true; + } + else if (name !== varName) { + serializeExportSpecifier(name, varName); + return true; + } + return false; + } + } + function isTypeRepresentableAsFunctionNamespaceMerge(typeToSerialize, hostSymbol) { + // Only object types which are not constructable, or indexable, whose members all come from the + // context source file, and whose property names are all valid identifiers and not late-bound, _and_ + // whose input is not type annotated (if the input symbol has an annotation we can reuse, we should prefer it) + var ctxSrc = ts.getSourceFileOfNode(context.enclosingDeclaration); + return ts.getObjectFlags(typeToSerialize) & (16 /* ObjectFlags.Anonymous */ | 32 /* ObjectFlags.Mapped */) && + !ts.length(getIndexInfosOfType(typeToSerialize)) && + !isClassInstanceSide(typeToSerialize) && // While a class instance is potentially representable as a NS, prefer printing a reference to the instance type and serializing the class + !!(ts.length(ts.filter(getPropertiesOfType(typeToSerialize), isNamespaceMember)) || ts.length(getSignaturesOfType(typeToSerialize, 0 /* SignatureKind.Call */))) && + !ts.length(getSignaturesOfType(typeToSerialize, 1 /* SignatureKind.Construct */)) && // TODO: could probably serialize as function + ns + class, now that that's OK + !getDeclarationWithTypeAnnotation(hostSymbol, enclosingDeclaration) && + !(typeToSerialize.symbol && ts.some(typeToSerialize.symbol.declarations, function (d) { return ts.getSourceFileOfNode(d) !== ctxSrc; })) && + !ts.some(getPropertiesOfType(typeToSerialize), function (p) { return isLateBoundName(p.escapedName); }) && + !ts.some(getPropertiesOfType(typeToSerialize), function (p) { return ts.some(p.declarations, function (d) { return ts.getSourceFileOfNode(d) !== ctxSrc; }); }) && + ts.every(getPropertiesOfType(typeToSerialize), function (p) { return ts.isIdentifierText(ts.symbolName(p), languageVersion); }); + } + function makeSerializePropertySymbol(createProperty, methodKind, useAccessors) { + return function serializePropertySymbol(p, isStatic, baseType) { + var _a, _b, _c, _d, _e; + var modifierFlags = ts.getDeclarationModifierFlagsFromSymbol(p); + var isPrivate = !!(modifierFlags & 8 /* ModifierFlags.Private */); + if (isStatic && (p.flags & (788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */))) { + // Only value-only-meaning symbols can be correctly encoded as class statics, type/namespace/alias meaning symbols + // need to be merged namespace members + return []; + } + if (p.flags & 4194304 /* SymbolFlags.Prototype */ || + (baseType && getPropertyOfType(baseType, p.escapedName) + && isReadonlySymbol(getPropertyOfType(baseType, p.escapedName)) === isReadonlySymbol(p) + && (p.flags & 16777216 /* SymbolFlags.Optional */) === (getPropertyOfType(baseType, p.escapedName).flags & 16777216 /* SymbolFlags.Optional */) + && isTypeIdenticalTo(getTypeOfSymbol(p), getTypeOfPropertyOfType(baseType, p.escapedName)))) { + return []; + } + var flag = (modifierFlags & ~256 /* ModifierFlags.Async */) | (isStatic ? 32 /* ModifierFlags.Static */ : 0); + var name = getPropertyNameNodeForSymbol(p, context); + var firstPropertyLikeDecl = (_a = p.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.or(ts.isPropertyDeclaration, ts.isAccessor, ts.isVariableDeclaration, ts.isPropertySignature, ts.isBinaryExpression, ts.isPropertyAccessExpression)); + if (p.flags & 98304 /* SymbolFlags.Accessor */ && useAccessors) { + var result = []; + if (p.flags & 65536 /* SymbolFlags.SetAccessor */) { + result.push(ts.setTextRange(ts.factory.createSetAccessorDeclaration( + /*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags(flag), name, [ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, "arg", + /*questionToken*/ undefined, isPrivate ? undefined : serializeTypeForDeclaration(context, getTypeOfSymbol(p), p, enclosingDeclaration, includePrivateSymbol, bundled))], + /*body*/ undefined), ((_b = p.declarations) === null || _b === void 0 ? void 0 : _b.find(ts.isSetAccessor)) || firstPropertyLikeDecl)); + } + if (p.flags & 32768 /* SymbolFlags.GetAccessor */) { + var isPrivate_1 = modifierFlags & 8 /* ModifierFlags.Private */; + result.push(ts.setTextRange(ts.factory.createGetAccessorDeclaration( + /*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags(flag), name, [], isPrivate_1 ? undefined : serializeTypeForDeclaration(context, getTypeOfSymbol(p), p, enclosingDeclaration, includePrivateSymbol, bundled), + /*body*/ undefined), ((_c = p.declarations) === null || _c === void 0 ? void 0 : _c.find(ts.isGetAccessor)) || firstPropertyLikeDecl)); + } + return result; + } + // This is an else/if as accessors and properties can't merge in TS, but might in JS + // If this happens, we assume the accessor takes priority, as it imposes more constraints + else if (p.flags & (4 /* SymbolFlags.Property */ | 3 /* SymbolFlags.Variable */ | 98304 /* SymbolFlags.Accessor */)) { + return ts.setTextRange(createProperty( + /*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags((isReadonlySymbol(p) ? 64 /* ModifierFlags.Readonly */ : 0) | flag), name, p.flags & 16777216 /* SymbolFlags.Optional */ ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, isPrivate ? undefined : serializeTypeForDeclaration(context, getTypeOfSymbol(p), p, enclosingDeclaration, includePrivateSymbol, bundled), + // TODO: https://github.com/microsoft/TypeScript/pull/32372#discussion_r328386357 + // interface members can't have initializers, however class members _can_ + /*initializer*/ undefined), ((_d = p.declarations) === null || _d === void 0 ? void 0 : _d.find(ts.or(ts.isPropertyDeclaration, ts.isVariableDeclaration))) || firstPropertyLikeDecl); + } + if (p.flags & (8192 /* SymbolFlags.Method */ | 16 /* SymbolFlags.Function */)) { + var type = getTypeOfSymbol(p); + var signatures = getSignaturesOfType(type, 0 /* SignatureKind.Call */); + if (flag & 8 /* ModifierFlags.Private */) { + return ts.setTextRange(createProperty( + /*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags((isReadonlySymbol(p) ? 64 /* ModifierFlags.Readonly */ : 0) | flag), name, p.flags & 16777216 /* SymbolFlags.Optional */ ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, + /*type*/ undefined, + /*initializer*/ undefined), ((_e = p.declarations) === null || _e === void 0 ? void 0 : _e.find(ts.isFunctionLikeDeclaration)) || signatures[0] && signatures[0].declaration || p.declarations && p.declarations[0]); + } + var results_1 = []; + for (var _i = 0, signatures_3 = signatures; _i < signatures_3.length; _i++) { + var sig = signatures_3[_i]; + // Each overload becomes a separate method declaration, in order + var decl = signatureToSignatureDeclarationHelper(sig, methodKind, context, { + name: name, + questionToken: p.flags & 16777216 /* SymbolFlags.Optional */ ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, + modifiers: flag ? ts.factory.createModifiersFromModifierFlags(flag) : undefined + }); + var location = sig.declaration && ts.isPrototypePropertyAssignment(sig.declaration.parent) ? sig.declaration.parent : sig.declaration; + results_1.push(ts.setTextRange(decl, location)); + } + return results_1; + } + // The `Constructor`'s symbol isn't in the class's properties lists, obviously, since it's a signature on the static + return ts.Debug.fail("Unhandled class member kind! ".concat(p.__debugFlags || p.flags)); + }; + } + function serializePropertySymbolForInterface(p, baseType) { + return serializePropertySymbolForInterfaceWorker(p, /*isStatic*/ false, baseType); + } + function serializeSignatures(kind, input, baseType, outputKind) { + var signatures = getSignaturesOfType(input, kind); + if (kind === 1 /* SignatureKind.Construct */) { + if (!baseType && ts.every(signatures, function (s) { return ts.length(s.parameters) === 0; })) { + return []; // No base type, every constructor is empty - elide the extraneous `constructor()` + } + if (baseType) { + // If there is a base type, if every signature in the class is identical to a signature in the baseType, elide all the declarations + var baseSigs = getSignaturesOfType(baseType, 1 /* SignatureKind.Construct */); + if (!ts.length(baseSigs) && ts.every(signatures, function (s) { return ts.length(s.parameters) === 0; })) { + return []; // Base had no explicit signatures, if all our signatures are also implicit, return an empty list + } + if (baseSigs.length === signatures.length) { + var failed = false; + for (var i = 0; i < baseSigs.length; i++) { + if (!compareSignaturesIdentical(signatures[i], baseSigs[i], /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ true, compareTypesIdentical)) { + failed = true; + break; + } + } + if (!failed) { + return []; // Every signature was identical - elide constructor list as it is inherited + } + } + } + var privateProtected = 0; + for (var _i = 0, signatures_4 = signatures; _i < signatures_4.length; _i++) { + var s = signatures_4[_i]; + if (s.declaration) { + privateProtected |= ts.getSelectedEffectiveModifierFlags(s.declaration, 8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */); + } + } + if (privateProtected) { + return [ts.setTextRange(ts.factory.createConstructorDeclaration( + /*decorators*/ undefined, ts.factory.createModifiersFromModifierFlags(privateProtected), + /*parameters*/ [], + /*body*/ undefined), signatures[0].declaration)]; + } + } + var results = []; + for (var _a = 0, signatures_5 = signatures; _a < signatures_5.length; _a++) { + var sig = signatures_5[_a]; + // Each overload becomes a separate constructor declaration, in order + var decl = signatureToSignatureDeclarationHelper(sig, outputKind, context); + results.push(ts.setTextRange(decl, sig.declaration)); + } + return results; + } + function serializeIndexSignatures(input, baseType) { + var results = []; + for (var _i = 0, _a = getIndexInfosOfType(input); _i < _a.length; _i++) { + var info = _a[_i]; + if (baseType) { + var baseInfo = getIndexInfoOfType(baseType, info.keyType); + if (baseInfo) { + if (isTypeIdenticalTo(info.type, baseInfo.type)) { + continue; // elide identical index signatures + } + } + } + results.push(indexInfoToIndexSignatureDeclarationHelper(info, context, /*typeNode*/ undefined)); + } + return results; + } + function serializeBaseType(t, staticType, rootName) { + var ref = trySerializeAsTypeReference(t, 111551 /* SymbolFlags.Value */); + if (ref) { + return ref; + } + var tempName = getUnusedName("".concat(rootName, "_base")); + var statement = ts.factory.createVariableStatement(/*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ + ts.factory.createVariableDeclaration(tempName, /*exclamationToken*/ undefined, typeToTypeNodeHelper(staticType, context)) + ], 2 /* NodeFlags.Const */)); + addResult(statement, 0 /* ModifierFlags.None */); + return ts.factory.createExpressionWithTypeArguments(ts.factory.createIdentifier(tempName), /*typeArgs*/ undefined); + } + function trySerializeAsTypeReference(t, flags) { + var typeArgs; + var reference; + // We don't use `isValueSymbolAccessible` below. since that considers alternative containers (like modules) + // which we can't write out in a syntactically valid way as an expression + if (t.target && isSymbolAccessibleByFlags(t.target.symbol, enclosingDeclaration, flags)) { + typeArgs = ts.map(getTypeArguments(t), function (t) { return typeToTypeNodeHelper(t, context); }); + reference = symbolToExpression(t.target.symbol, context, 788968 /* SymbolFlags.Type */); + } + else if (t.symbol && isSymbolAccessibleByFlags(t.symbol, enclosingDeclaration, flags)) { + reference = symbolToExpression(t.symbol, context, 788968 /* SymbolFlags.Type */); + } + if (reference) { + return ts.factory.createExpressionWithTypeArguments(reference, typeArgs); + } + } + function serializeImplementedType(t) { + var ref = trySerializeAsTypeReference(t, 788968 /* SymbolFlags.Type */); + if (ref) { + return ref; + } + if (t.symbol) { + return ts.factory.createExpressionWithTypeArguments(symbolToExpression(t.symbol, context, 788968 /* SymbolFlags.Type */), /*typeArgs*/ undefined); + } + } + function getUnusedName(input, symbol) { + var _a, _b; + var id = symbol ? getSymbolId(symbol) : undefined; + if (id) { + if (context.remappedSymbolNames.has(id)) { + return context.remappedSymbolNames.get(id); + } + } + if (symbol) { + input = getNameCandidateWorker(symbol, input); + } + var i = 0; + var original = input; + while ((_a = context.usedSymbolNames) === null || _a === void 0 ? void 0 : _a.has(input)) { + i++; + input = "".concat(original, "_").concat(i); + } + (_b = context.usedSymbolNames) === null || _b === void 0 ? void 0 : _b.add(input); + if (id) { + context.remappedSymbolNames.set(id, input); + } + return input; + } + function getNameCandidateWorker(symbol, localName) { + if (localName === "default" /* InternalSymbolName.Default */ || localName === "__class" /* InternalSymbolName.Class */ || localName === "__function" /* InternalSymbolName.Function */) { + var flags = context.flags; + context.flags |= 16777216 /* NodeBuilderFlags.InInitialEntityName */; + var nameCandidate = getNameOfSymbolAsWritten(symbol, context); + context.flags = flags; + localName = nameCandidate.length > 0 && ts.isSingleOrDoubleQuote(nameCandidate.charCodeAt(0)) ? ts.stripQuotes(nameCandidate) : nameCandidate; + } + if (localName === "default" /* InternalSymbolName.Default */) { + localName = "_default"; + } + else if (localName === "export=" /* InternalSymbolName.ExportEquals */) { + localName = "_exports"; + } + localName = ts.isIdentifierText(localName, languageVersion) && !ts.isStringANonContextualKeyword(localName) ? localName : "_" + localName.replace(/[^a-zA-Z0-9]/g, "_"); + return localName; + } + function getInternalSymbolName(symbol, localName) { + var id = getSymbolId(symbol); + if (context.remappedSymbolNames.has(id)) { + return context.remappedSymbolNames.get(id); + } + localName = getNameCandidateWorker(symbol, localName); + // The result of this is going to be used as the symbol's name - lock it in, so `getUnusedName` will also pick it up + context.remappedSymbolNames.set(id, localName); + return localName; + } + } + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags, writer) { + if (flags === void 0) { flags = 16384 /* TypeFormatFlags.UseAliasDefinedOutsideCurrentScope */; } + return writer ? typePredicateToStringWorker(writer).getText() : ts.usingSingleLineStringWriter(typePredicateToStringWorker); + function typePredicateToStringWorker(writer) { + var predicate = ts.factory.createTypePredicateNode(typePredicate.kind === 2 /* TypePredicateKind.AssertsThis */ || typePredicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ ? ts.factory.createToken(128 /* SyntaxKind.AssertsKeyword */) : undefined, typePredicate.kind === 1 /* TypePredicateKind.Identifier */ || typePredicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ ? ts.factory.createIdentifier(typePredicate.parameterName) : ts.factory.createThisTypeNode(), typePredicate.type && nodeBuilder.typeToTypeNode(typePredicate.type, enclosingDeclaration, toNodeBuilderFlags(flags) | 70221824 /* NodeBuilderFlags.IgnoreErrors */ | 512 /* NodeBuilderFlags.WriteTypeParametersInQualifiedName */) // TODO: GH#18217 + ); + var printer = ts.createPrinter({ removeComments: true }); + var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration); + printer.writeNode(4 /* EmitHint.Unspecified */, predicate, /*sourceFile*/ sourceFile, writer); + return writer; + } + } + function formatUnionTypes(types) { + var result = []; + var flags = 0; + for (var i = 0; i < types.length; i++) { + var t = types[i]; + flags |= t.flags; + if (!(t.flags & 98304 /* TypeFlags.Nullable */)) { + if (t.flags & (512 /* TypeFlags.BooleanLiteral */ | 1024 /* TypeFlags.EnumLiteral */)) { + var baseType = t.flags & 512 /* TypeFlags.BooleanLiteral */ ? booleanType : getBaseTypeOfEnumLiteralType(t); + if (baseType.flags & 1048576 /* TypeFlags.Union */) { + var count = baseType.types.length; + if (i + count <= types.length && getRegularTypeOfLiteralType(types[i + count - 1]) === getRegularTypeOfLiteralType(baseType.types[count - 1])) { + result.push(baseType); + i += count - 1; + continue; + } + } + } + result.push(t); + } + } + if (flags & 65536 /* TypeFlags.Null */) + result.push(nullType); + if (flags & 32768 /* TypeFlags.Undefined */) + result.push(undefinedType); + return result || types; + } + function visibilityToString(flags) { + if (flags === 8 /* ModifierFlags.Private */) { + return "private"; + } + if (flags === 16 /* ModifierFlags.Protected */) { + return "protected"; + } + return "public"; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048 /* SymbolFlags.TypeLiteral */ && type.symbol.declarations) { + var node = ts.walkUpParenthesizedTypes(type.symbol.declarations[0].parent); + if (node.kind === 259 /* SyntaxKind.TypeAliasDeclaration */) { + return getSymbolOfNode(node); + } + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function isDefaultBindingContext(location) { + return location.kind === 305 /* SyntaxKind.SourceFile */ || ts.isAmbientModule(location); + } + function getNameOfSymbolFromNameType(symbol, context) { + var nameType = getSymbolLinks(symbol).nameType; + if (nameType) { + if (nameType.flags & 384 /* TypeFlags.StringOrNumberLiteral */) { + var name = "" + nameType.value; + if (!ts.isIdentifierText(name, ts.getEmitScriptTarget(compilerOptions)) && !ts.isNumericLiteralName(name)) { + return "\"".concat(ts.escapeString(name, 34 /* CharacterCodes.doubleQuote */), "\""); + } + if (ts.isNumericLiteralName(name) && ts.startsWith(name, "-")) { + return "[".concat(name, "]"); + } + return name; + } + if (nameType.flags & 8192 /* TypeFlags.UniqueESSymbol */) { + return "[".concat(getNameOfSymbolAsWritten(nameType.symbol, context), "]"); + } + } + } + /** + * Gets a human-readable name for a symbol. + * Should *not* be used for the right-hand side of a `.` -- use `symbolName(symbol)` for that instead. + * + * Unlike `symbolName(symbol)`, this will include quotes if the name is from a string literal. + * It will also use a representation of a number as written instead of a decimal form, e.g. `0o11` instead of `9`. + */ + function getNameOfSymbolAsWritten(symbol, context) { + if (context && symbol.escapedName === "default" /* InternalSymbolName.Default */ && !(context.flags & 16384 /* NodeBuilderFlags.UseAliasDefinedOutsideCurrentScope */) && + // If it's not the first part of an entity name, it must print as `default` + (!(context.flags & 16777216 /* NodeBuilderFlags.InInitialEntityName */) || + // if the symbol is synthesized, it will only be referenced externally it must print as `default` + !symbol.declarations || + // if not in the same binding context (source file, module declaration), it must print as `default` + (context.enclosingDeclaration && ts.findAncestor(symbol.declarations[0], isDefaultBindingContext) !== ts.findAncestor(context.enclosingDeclaration, isDefaultBindingContext)))) { + return "default"; + } + if (symbol.declarations && symbol.declarations.length) { + var declaration = ts.firstDefined(symbol.declarations, function (d) { return ts.getNameOfDeclaration(d) ? d : undefined; }); // Try using a declaration with a name, first + var name_4 = declaration && ts.getNameOfDeclaration(declaration); + if (declaration && name_4) { + if (ts.isCallExpression(declaration) && ts.isBindableObjectDefinePropertyCall(declaration)) { + return ts.symbolName(symbol); + } + if (ts.isComputedPropertyName(name_4) && !(ts.getCheckFlags(symbol) & 4096 /* CheckFlags.Late */)) { + var nameType = getSymbolLinks(symbol).nameType; + if (nameType && nameType.flags & 384 /* TypeFlags.StringOrNumberLiteral */) { + // Computed property name isn't late bound, but has a well-known name type - use name type to generate a symbol name + var result = getNameOfSymbolFromNameType(symbol, context); + if (result !== undefined) { + return result; + } + } + } + return ts.declarationNameToString(name_4); + } + if (!declaration) { + declaration = symbol.declarations[0]; // Declaration may be nameless, but we'll try anyway + } + if (declaration.parent && declaration.parent.kind === 254 /* SyntaxKind.VariableDeclaration */) { + return ts.declarationNameToString(declaration.parent.name); + } + switch (declaration.kind) { + case 226 /* SyntaxKind.ClassExpression */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + if (context && !context.encounteredError && !(context.flags & 131072 /* NodeBuilderFlags.AllowAnonymousIdentifier */)) { + context.encounteredError = true; + } + return declaration.kind === 226 /* SyntaxKind.ClassExpression */ ? "(Anonymous class)" : "(Anonymous function)"; + } + } + var name = getNameOfSymbolFromNameType(symbol, context); + return name !== undefined ? name : ts.symbolName(symbol); + } + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); + } + return links.isVisible; + } + return false; + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + // Top-level jsdoc type aliases are considered exported + // First parent is comment node, second is hosting declaration or token; we only care about those tokens or declarations whose parent is a source file + return !!(node.parent && node.parent.parent && node.parent.parent.parent && ts.isSourceFile(node.parent.parent.parent)); + case 203 /* SyntaxKind.BindingElement */: + return isDeclarationVisible(node.parent.parent); + case 254 /* SyntaxKind.VariableDeclaration */: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + // If the binding pattern is empty, this variable declaration is not visible + return false; + } + // falls through + case 261 /* SyntaxKind.ModuleDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + // external module augmentation is always visible + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent = getDeclarationContainer(node); + // If the node is not exported or it is not ambient module element (except import declaration) + if (!(ts.getCombinedModifierFlags(node) & 1 /* ModifierFlags.Export */) && + !(node.kind !== 265 /* SyntaxKind.ImportEqualsDeclaration */ && parent.kind !== 305 /* SyntaxKind.SourceFile */ && parent.flags & 16777216 /* NodeFlags.Ambient */)) { + return isGlobalSourceFile(parent); + } + // Exported members/ambient module elements (exception import declaration) are visible if parent is visible + return isDeclarationVisible(parent); + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + if (ts.hasEffectiveModifier(node, 8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */)) { + // Private/protected properties/methods are not visible + return false; + } + // Public properties/methods are visible if its parents are visible, so: + // falls through + case 171 /* SyntaxKind.Constructor */: + case 175 /* SyntaxKind.ConstructSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 176 /* SyntaxKind.IndexSignature */: + case 164 /* SyntaxKind.Parameter */: + case 262 /* SyntaxKind.ModuleBlock */: + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 182 /* SyntaxKind.TypeLiteral */: + case 178 /* SyntaxKind.TypeReference */: + case 183 /* SyntaxKind.ArrayType */: + case 184 /* SyntaxKind.TupleType */: + case 187 /* SyntaxKind.UnionType */: + case 188 /* SyntaxKind.IntersectionType */: + case 191 /* SyntaxKind.ParenthesizedType */: + case 197 /* SyntaxKind.NamedTupleMember */: + return isDeclarationVisible(node.parent); + // Default binding, import specifier and namespace import is visible + // only on demand so by default it is not visible + case 267 /* SyntaxKind.ImportClause */: + case 268 /* SyntaxKind.NamespaceImport */: + case 270 /* SyntaxKind.ImportSpecifier */: + return false; + // Type parameters are always visible + case 163 /* SyntaxKind.TypeParameter */: + // Source file and namespace export are always visible + // falls through + case 305 /* SyntaxKind.SourceFile */: + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + return true; + // Export assignments do not create name bindings outside the module + case 271 /* SyntaxKind.ExportAssignment */: + return false; + default: + return false; + } + } + } + function collectLinkedAliases(node, setVisibility) { + var exportSymbol; + if (node.parent && node.parent.kind === 271 /* SyntaxKind.ExportAssignment */) { + exportSymbol = resolveName(node, node.escapedText, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */, /*nameNotFoundMessage*/ undefined, node, /*isUse*/ false); + } + else if (node.parent.kind === 275 /* SyntaxKind.ExportSpecifier */) { + exportSymbol = getTargetOfExportSpecifier(node.parent, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */); + } + var result; + var visited; + if (exportSymbol) { + visited = new ts.Set(); + visited.add(getSymbolId(exportSymbol)); + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (setVisibility) { + getNodeLinks(declaration).isVisible = true; + } + else { + result = result || []; + ts.pushIfUnique(result, resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + // Add the referenced top container visible + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = ts.getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.escapedText, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */, undefined, undefined, /*isUse*/ false); + if (importSymbol && visited) { + if (ts.tryAddToSet(visited, getSymbolId(importSymbol))) { + buildVisibleNodeList(importSymbol.declarations); + } + } + } + }); + } + } + /** + * Push an entry on the type resolution stack. If an entry with the given target and the given property name + * is already on the stack, and no entries in between already have a type, then a circularity has occurred. + * In this case, the result values of the existing entry and all entries pushed after it are changed to false, + * and the value false is returned. Otherwise, the new entry is just pushed onto the stack, and true is returned. + * In order to see if the same query has already been done before, the target object and the propertyName both + * must match the one passed in. + * + * @param target The symbol, type, or signature whose type is being queried + * @param propertyName The property name that should be used to query the target for its type + */ + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + // A cycle was found + var length_3 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_3; i++) { + resolutionResults[i] = false; + } + return false; + } + resolutionTargets.push(target); + resolutionResults.push(/*items*/ true); + resolutionPropertyNames.push(propertyName); + return true; + } + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } + } + return -1; + } + function hasType(target, propertyName) { + switch (propertyName) { + case 0 /* TypeSystemPropertyName.Type */: + return !!getSymbolLinks(target).type; + case 5 /* TypeSystemPropertyName.EnumTagType */: + return !!(getNodeLinks(target).resolvedEnumType); + case 2 /* TypeSystemPropertyName.DeclaredType */: + return !!getSymbolLinks(target).declaredType; + case 1 /* TypeSystemPropertyName.ResolvedBaseConstructorType */: + return !!target.resolvedBaseConstructorType; + case 3 /* TypeSystemPropertyName.ResolvedReturnType */: + return !!target.resolvedReturnType; + case 4 /* TypeSystemPropertyName.ImmediateBaseConstraint */: + return !!target.immediateBaseConstraint; + case 6 /* TypeSystemPropertyName.ResolvedTypeArguments */: + return !!target.resolvedTypeArguments; + case 7 /* TypeSystemPropertyName.ResolvedBaseTypes */: + return !!target.baseTypesResolved; + case 8 /* TypeSystemPropertyName.WriteType */: + return !!getSymbolLinks(target).writeType; + } + return ts.Debug.assertNever(propertyName); + } + /** + * Pop an entry from the type resolution stack and return its associated result value. The result value will + * be true if no circularities were detected, or false if a circularity was found. + */ + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + return ts.findAncestor(ts.getRootDeclaration(node), function (node) { + switch (node.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + case 255 /* SyntaxKind.VariableDeclarationList */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 269 /* SyntaxKind.NamedImports */: + case 268 /* SyntaxKind.NamespaceImport */: + case 267 /* SyntaxKind.ImportClause */: + return false; + default: + return true; + } + }).parent; + } + function getTypeOfPrototypeProperty(prototype) { + // TypeScript 1.0 spec (April 2014): 8.4 + // Every class automatically contains a static property member named 'prototype', + // the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter. + // It is an error to explicitly declare a static property member with the name 'prototype'. + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + } + // Return the type of the given property in the given type, or undefined if no such property exists + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; + } + function getTypeOfPropertyOrIndexSignature(type, name) { + var _a; + return getTypeOfPropertyOfType(type, name) || ((_a = getApplicableIndexInfoForName(type, name)) === null || _a === void 0 ? void 0 : _a.type) || unknownType; + } + function isTypeAny(type) { + return type && (type.flags & 1 /* TypeFlags.Any */) !== 0; + } + function isErrorType(type) { + // The only 'any' types that have alias symbols are those manufactured by getTypeFromTypeAliasReference for + // a reference to an unresolved symbol. We want those to behave like the errorType. + return type === errorType || !!(type.flags & 1 /* TypeFlags.Any */ && type.aliasSymbol); + } + // Return the type of a binding element parent. We check SymbolLinks first to see if a type has been + // assigned by contextual typing. + function getTypeForBindingElementParent(node, checkMode) { + if (checkMode !== 0 /* CheckMode.Normal */) { + return getTypeForVariableLikeDeclaration(node, /*includeOptionality*/ false, checkMode); + } + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, /*includeOptionality*/ false, checkMode); + } + function getRestType(source, properties, symbol) { + source = filterType(source, function (t) { return !(t.flags & 98304 /* TypeFlags.Nullable */); }); + if (source.flags & 131072 /* TypeFlags.Never */) { + return emptyObjectType; + } + if (source.flags & 1048576 /* TypeFlags.Union */) { + return mapType(source, function (t) { return getRestType(t, properties, symbol); }); + } + var omitKeyType = getUnionType(ts.map(properties, getLiteralTypeFromPropertyName)); + var spreadableProperties = []; + var unspreadableToRestKeys = []; + for (var _i = 0, _a = getPropertiesOfType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + var literalTypeFromProperty = getLiteralTypeFromProperty(prop, 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */); + if (!isTypeAssignableTo(literalTypeFromProperty, omitKeyType) + && !(ts.getDeclarationModifierFlagsFromSymbol(prop) & (8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */)) + && isSpreadableProperty(prop)) { + spreadableProperties.push(prop); + } + else { + unspreadableToRestKeys.push(literalTypeFromProperty); + } + } + if (isGenericObjectType(source) || isGenericIndexType(omitKeyType)) { + if (unspreadableToRestKeys.length) { + // If the type we're spreading from has properties that cannot + // be spread into the rest type (e.g. getters, methods), ensure + // they are explicitly omitted, as they would in the non-generic case. + omitKeyType = getUnionType(__spreadArray([omitKeyType], unspreadableToRestKeys, true)); + } + if (omitKeyType.flags & 131072 /* TypeFlags.Never */) { + return source; + } + var omitTypeAlias = getGlobalOmitSymbol(); + if (!omitTypeAlias) { + return errorType; + } + return getTypeAliasInstantiation(omitTypeAlias, [source, omitKeyType]); + } + var members = ts.createSymbolTable(); + for (var _b = 0, spreadableProperties_1 = spreadableProperties; _b < spreadableProperties_1.length; _b++) { + var prop = spreadableProperties_1[_b]; + members.set(prop.escapedName, getSpreadSymbol(prop, /*readonly*/ false)); + } + var result = createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, getIndexInfosOfType(source)); + result.objectFlags |= 4194304 /* ObjectFlags.ObjectRestType */; + return result; + } + function isGenericTypeWithUndefinedConstraint(type) { + return !!(type.flags & 465829888 /* TypeFlags.Instantiable */) && maybeTypeOfKind(getBaseConstraintOfType(type) || unknownType, 32768 /* TypeFlags.Undefined */); + } + function getNonUndefinedType(type) { + var typeOrConstraint = someType(type, isGenericTypeWithUndefinedConstraint) ? mapType(type, function (t) { return t.flags & 465829888 /* TypeFlags.Instantiable */ ? getBaseConstraintOrType(t) : t; }) : type; + return getTypeWithFacts(typeOrConstraint, 524288 /* TypeFacts.NEUndefined */); + } + // Determine the control flow type associated with a destructuring declaration or assignment. The following + // forms of destructuring are possible: + // let { x } = obj; // BindingElement + // let [ x ] = obj; // BindingElement + // { x } = obj; // ShorthandPropertyAssignment + // { x: v } = obj; // PropertyAssignment + // [ x ] = obj; // Expression + // We construct a synthetic element access expression corresponding to 'obj.x' such that the control + // flow analyzer doesn't have to handle all the different syntactic forms. + function getFlowTypeOfDestructuring(node, declaredType) { + var reference = getSyntheticElementAccess(node); + return reference ? getFlowTypeOfReference(reference, declaredType) : declaredType; + } + function getSyntheticElementAccess(node) { + var parentAccess = getParentElementAccess(node); + if (parentAccess && parentAccess.flowNode) { + var propName = getDestructuringPropertyName(node); + if (propName) { + var literal = ts.setTextRange(ts.parseNodeFactory.createStringLiteral(propName), node); + var lhsExpr = ts.isLeftHandSideExpression(parentAccess) ? parentAccess : ts.parseNodeFactory.createParenthesizedExpression(parentAccess); + var result = ts.setTextRange(ts.parseNodeFactory.createElementAccessExpression(lhsExpr, literal), node); + ts.setParent(literal, result); + ts.setParent(result, node); + if (lhsExpr !== parentAccess) { + ts.setParent(lhsExpr, result); + } + result.flowNode = parentAccess.flowNode; + return result; + } + } + } + function getParentElementAccess(node) { + var ancestor = node.parent.parent; + switch (ancestor.kind) { + case 203 /* SyntaxKind.BindingElement */: + case 296 /* SyntaxKind.PropertyAssignment */: + return getSyntheticElementAccess(ancestor); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return getSyntheticElementAccess(node.parent); + case 254 /* SyntaxKind.VariableDeclaration */: + return ancestor.initializer; + case 221 /* SyntaxKind.BinaryExpression */: + return ancestor.right; + } + } + function getDestructuringPropertyName(node) { + var parent = node.parent; + if (node.kind === 203 /* SyntaxKind.BindingElement */ && parent.kind === 201 /* SyntaxKind.ObjectBindingPattern */) { + return getLiteralPropertyNameText(node.propertyName || node.name); + } + if (node.kind === 296 /* SyntaxKind.PropertyAssignment */ || node.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + return getLiteralPropertyNameText(node.name); + } + return "" + parent.elements.indexOf(node); + } + function getLiteralPropertyNameText(name) { + var type = getLiteralTypeFromPropertyName(name); + return type.flags & (128 /* TypeFlags.StringLiteral */ | 256 /* TypeFlags.NumberLiteral */) ? "" + type.value : undefined; + } + /** Return the inferred type for a binding element */ + function getTypeForBindingElement(declaration) { + var checkMode = declaration.dotDotDotToken ? 64 /* CheckMode.RestBindingElement */ : 0 /* CheckMode.Normal */; + var parentType = getTypeForBindingElementParent(declaration.parent.parent, checkMode); + return parentType && getBindingElementTypeFromParentType(declaration, parentType); + } + function getBindingElementTypeFromParentType(declaration, parentType) { + // If an any type was inferred for parent, infer that for the binding element + if (isTypeAny(parentType)) { + return parentType; + } + var pattern = declaration.parent; + // Relax null check on ambient destructuring parameters, since the parameters have no implementation and are just documentation + if (strictNullChecks && declaration.flags & 16777216 /* NodeFlags.Ambient */ && ts.isParameterDeclaration(declaration)) { + parentType = getNonNullableType(parentType); + } + // Filter `undefined` from the type we check against if the parent has an initializer and that initializer is not possibly `undefined` + else if (strictNullChecks && pattern.parent.initializer && !(getTypeFacts(getTypeOfInitializer(pattern.parent.initializer)) & 65536 /* TypeFacts.EQUndefined */)) { + parentType = getTypeWithFacts(parentType, 524288 /* TypeFacts.NEUndefined */); + } + var type; + if (pattern.kind === 201 /* SyntaxKind.ObjectBindingPattern */) { + if (declaration.dotDotDotToken) { + parentType = getReducedType(parentType); + if (parentType.flags & 2 /* TypeFlags.Unknown */ || !isValidSpreadType(parentType)) { + error(declaration, ts.Diagnostics.Rest_types_may_only_be_created_from_object_types); + return errorType; + } + var literalMembers = []; + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!element.dotDotDotToken) { + literalMembers.push(element.propertyName || element.name); + } + } + type = getRestType(parentType, literalMembers, declaration.symbol); + } + else { + // Use explicitly specified property name ({ p: xxx } form), or otherwise the implied name ({ p } form) + var name = declaration.propertyName || declaration.name; + var indexType = getLiteralTypeFromPropertyName(name); + var declaredType = getIndexedAccessType(parentType, indexType, 32 /* AccessFlags.ExpressionPosition */, name); + type = getFlowTypeOfDestructuring(declaration, declaredType); + } + } + else { + // This elementType will be used if the specific property corresponding to this index is not + // present (aka the tuple element property). This call also checks that the parentType is in + // fact an iterable or array (depending on target language). + var elementType = checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */ | (declaration.dotDotDotToken ? 0 : 128 /* IterationUse.PossiblyOutOfBounds */), parentType, undefinedType, pattern); + var index_2 = pattern.elements.indexOf(declaration); + if (declaration.dotDotDotToken) { + // If the parent is a tuple type, the rest element has a tuple type of the + // remaining tuple element types. Otherwise, the rest element has an array type with same + // element type as the parent type. + type = everyType(parentType, isTupleType) ? + mapType(parentType, function (t) { return sliceTupleType(t, index_2); }) : + createArrayType(elementType); + } + else if (isArrayLikeType(parentType)) { + var indexType = getNumberLiteralType(index_2); + var accessFlags = 32 /* AccessFlags.ExpressionPosition */ | (hasDefaultValue(declaration) ? 16 /* AccessFlags.NoTupleBoundsCheck */ : 0); + var declaredType = getIndexedAccessTypeOrUndefined(parentType, indexType, accessFlags, declaration.name) || errorType; + type = getFlowTypeOfDestructuring(declaration, declaredType); + } + else { + type = elementType; + } + } + if (!declaration.initializer) { + return type; + } + if (ts.getEffectiveTypeAnnotationNode(ts.walkUpBindingElementsAndPatterns(declaration))) { + // In strict null checking mode, if a default value of a non-undefined type is specified, remove + // undefined from the final type. + return strictNullChecks && !(getFalsyFlags(checkDeclarationInitializer(declaration, 0 /* CheckMode.Normal */)) & 32768 /* TypeFlags.Undefined */) ? getNonUndefinedType(type) : type; + } + return widenTypeInferredFromInitializer(declaration, getUnionType([getNonUndefinedType(type), checkDeclarationInitializer(declaration, 0 /* CheckMode.Normal */)], 2 /* UnionReduction.Subtype */)); + } + function getTypeForDeclarationFromJSDocComment(declaration) { + var jsdocType = ts.getJSDocType(declaration); + if (jsdocType) { + return getTypeFromTypeNode(jsdocType); + } + return undefined; + } + function isNullOrUndefined(node) { + var expr = ts.skipParentheses(node, /*excludeJSDocTypeAssertions*/ true); + return expr.kind === 104 /* SyntaxKind.NullKeyword */ || expr.kind === 79 /* SyntaxKind.Identifier */ && getResolvedSymbol(expr) === undefinedSymbol; + } + function isEmptyArrayLiteral(node) { + var expr = ts.skipParentheses(node, /*excludeJSDocTypeAssertions*/ true); + return expr.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ && expr.elements.length === 0; + } + function addOptionality(type, isProperty, isOptional) { + if (isProperty === void 0) { isProperty = false; } + if (isOptional === void 0) { isOptional = true; } + return strictNullChecks && isOptional ? getOptionalType(type, isProperty) : type; + } + // Return the inferred type for a variable, parameter, or property declaration + function getTypeForVariableLikeDeclaration(declaration, includeOptionality, checkMode) { + // A variable declared in a for..in statement is of type string, or of type keyof T when the + // right hand expression is of a type parameter type. + if (ts.isVariableDeclaration(declaration) && declaration.parent.parent.kind === 243 /* SyntaxKind.ForInStatement */) { + var indexType = getIndexType(getNonNullableTypeIfNeeded(checkExpression(declaration.parent.parent.expression, /*checkMode*/ checkMode))); + return indexType.flags & (262144 /* TypeFlags.TypeParameter */ | 4194304 /* TypeFlags.Index */) ? getExtractStringType(indexType) : stringType; + } + if (ts.isVariableDeclaration(declaration) && declaration.parent.parent.kind === 244 /* SyntaxKind.ForOfStatement */) { + // checkRightHandSideOfForOf will return undefined if the for-of expression type was + // missing properties/signatures required to get its iteratedType (like + // [Symbol.iterator] or next). This may be because we accessed properties from anyType, + // or it may have led to an error inside getElementTypeOfIterable. + var forOfStatement = declaration.parent.parent; + return checkRightHandSideOfForOf(forOfStatement) || anyType; + } + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); + } + var isProperty = ts.isPropertyDeclaration(declaration) || ts.isPropertySignature(declaration); + var isOptional = includeOptionality && (isProperty && !!declaration.questionToken || + ts.isParameter(declaration) && (!!declaration.questionToken || isJSDocOptionalParameter(declaration)) || + isOptionalJSDocPropertyLikeTag(declaration)); + // Use type from type annotation if one is present + var declaredType = tryGetTypeFromEffectiveTypeNode(declaration); + if (declaredType) { + return addOptionality(declaredType, isProperty, isOptional); + } + if ((noImplicitAny || ts.isInJSFile(declaration)) && + ts.isVariableDeclaration(declaration) && !ts.isBindingPattern(declaration.name) && + !(ts.getCombinedModifierFlags(declaration) & 1 /* ModifierFlags.Export */) && !(declaration.flags & 16777216 /* NodeFlags.Ambient */)) { + // If --noImplicitAny is on or the declaration is in a Javascript file, + // use control flow tracked 'any' type for non-ambient, non-exported var or let variables with no + // initializer or a 'null' or 'undefined' initializer. + if (!(ts.getCombinedNodeFlags(declaration) & 2 /* NodeFlags.Const */) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) { + return autoType; + } + // Use control flow tracked 'any[]' type for non-ambient, non-exported variables with an empty array + // literal initializer. + if (declaration.initializer && isEmptyArrayLiteral(declaration.initializer)) { + return autoArrayType; + } + } + if (ts.isParameter(declaration)) { + var func = declaration.parent; + // For a parameter of a set accessor, use the type of the get accessor if one is present + if (func.kind === 173 /* SyntaxKind.SetAccessor */ && hasBindableName(func)) { + var getter = ts.getDeclarationOfKind(getSymbolOfNode(declaration.parent), 172 /* SyntaxKind.GetAccessor */); + if (getter) { + var getterSignature = getSignatureFromDeclaration(getter); + var thisParameter = getAccessorThisParameter(func); + if (thisParameter && declaration === thisParameter) { + // Use the type from the *getter* + ts.Debug.assert(!thisParameter.type); + return getTypeOfSymbol(getterSignature.thisParameter); + } + return getReturnTypeOfSignature(getterSignature); + } + } + if (ts.isInJSFile(declaration)) { + var type_1 = getParameterTypeOfTypeTag(func, declaration); + if (type_1) + return type_1; + } + // Use contextual parameter type if one is available + var type = declaration.symbol.escapedName === "this" /* InternalSymbolName.This */ ? getContextualThisParameterType(func) : getContextuallyTypedParameterType(declaration); + if (type) { + return addOptionality(type, /*isProperty*/ false, isOptional); + } + } + // Use the type of the initializer expression if one is present and the declaration is + // not a parameter of a contextually typed function + if (ts.hasOnlyExpressionInitializer(declaration) && !!declaration.initializer) { + if (ts.isInJSFile(declaration) && !ts.isParameter(declaration)) { + var containerObjectType = getJSContainerObjectType(declaration, getSymbolOfNode(declaration), ts.getDeclaredExpandoInitializer(declaration)); + if (containerObjectType) { + return containerObjectType; + } + } + var type = widenTypeInferredFromInitializer(declaration, checkDeclarationInitializer(declaration, checkMode)); + return addOptionality(type, isProperty, isOptional); + } + if (ts.isPropertyDeclaration(declaration) && (noImplicitAny || ts.isInJSFile(declaration))) { + // We have a property declaration with no type annotation or initializer, in noImplicitAny mode or a .js file. + // Use control flow analysis of this.xxx assignments in the constructor or static block to determine the type of the property. + if (!ts.hasStaticModifier(declaration)) { + var constructor = findConstructorDeclaration(declaration.parent); + var type = constructor ? getFlowTypeInConstructor(declaration.symbol, constructor) : + ts.getEffectiveModifierFlags(declaration) & 2 /* ModifierFlags.Ambient */ ? getTypeOfPropertyInBaseClass(declaration.symbol) : + undefined; + return type && addOptionality(type, /*isProperty*/ true, isOptional); + } + else { + var staticBlocks = ts.filter(declaration.parent.members, ts.isClassStaticBlockDeclaration); + var type = staticBlocks.length ? getFlowTypeInStaticBlocks(declaration.symbol, staticBlocks) : + ts.getEffectiveModifierFlags(declaration) & 2 /* ModifierFlags.Ambient */ ? getTypeOfPropertyInBaseClass(declaration.symbol) : + undefined; + return type && addOptionality(type, /*isProperty*/ true, isOptional); + } + } + if (ts.isJsxAttribute(declaration)) { + // if JSX attribute doesn't have initializer, by default the attribute will have boolean value of true. + // I.e is sugar for + return trueType; + } + // If the declaration specifies a binding pattern and is not a parameter of a contextually + // typed function, use the type implied by the binding pattern + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ false, /*reportErrors*/ true); + } + // No type specified and nothing can be inferred + return undefined; + } + function isConstructorDeclaredProperty(symbol) { + // A property is considered a constructor declared property when all declaration sites are this.xxx assignments, + // when no declaration sites have JSDoc type annotations, and when at least one declaration site is in the body of + // a class constructor. + if (symbol.valueDeclaration && ts.isBinaryExpression(symbol.valueDeclaration)) { + var links = getSymbolLinks(symbol); + if (links.isConstructorDeclaredProperty === undefined) { + links.isConstructorDeclaredProperty = false; + links.isConstructorDeclaredProperty = !!getDeclaringConstructor(symbol) && ts.every(symbol.declarations, function (declaration) { + return ts.isBinaryExpression(declaration) && + isPossiblyAliasedThisProperty(declaration) && + (declaration.left.kind !== 207 /* SyntaxKind.ElementAccessExpression */ || ts.isStringOrNumericLiteralLike(declaration.left.argumentExpression)) && + !getAnnotatedTypeForAssignmentDeclaration(/*declaredType*/ undefined, declaration, symbol, declaration); + }); + } + return links.isConstructorDeclaredProperty; + } + return false; + } + function isAutoTypedProperty(symbol) { + // A property is auto-typed when its declaration has no type annotation or initializer and we're in + // noImplicitAny mode or a .js file. + var declaration = symbol.valueDeclaration; + return declaration && ts.isPropertyDeclaration(declaration) && !ts.getEffectiveTypeAnnotationNode(declaration) && + !declaration.initializer && (noImplicitAny || ts.isInJSFile(declaration)); + } + function getDeclaringConstructor(symbol) { + if (!symbol.declarations) { + return; + } + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + var container = ts.getThisContainer(declaration, /*includeArrowFunctions*/ false); + if (container && (container.kind === 171 /* SyntaxKind.Constructor */ || isJSConstructor(container))) { + return container; + } + } + ; + } + /** Create a synthetic property access flow node after the last statement of the file */ + function getFlowTypeFromCommonJSExport(symbol) { + var file = ts.getSourceFileOfNode(symbol.declarations[0]); + var accessName = ts.unescapeLeadingUnderscores(symbol.escapedName); + var areAllModuleExports = symbol.declarations.every(function (d) { return ts.isInJSFile(d) && ts.isAccessExpression(d) && ts.isModuleExportsAccessExpression(d.expression); }); + var reference = areAllModuleExports + ? ts.factory.createPropertyAccessExpression(ts.factory.createPropertyAccessExpression(ts.factory.createIdentifier("module"), ts.factory.createIdentifier("exports")), accessName) + : ts.factory.createPropertyAccessExpression(ts.factory.createIdentifier("exports"), accessName); + if (areAllModuleExports) { + ts.setParent(reference.expression.expression, reference.expression); + } + ts.setParent(reference.expression, reference); + ts.setParent(reference, file); + reference.flowNode = file.endFlowNode; + return getFlowTypeOfReference(reference, autoType, undefinedType); + } + function getFlowTypeInStaticBlocks(symbol, staticBlocks) { + var accessName = ts.startsWith(symbol.escapedName, "__#") + ? ts.factory.createPrivateIdentifier(symbol.escapedName.split("@")[1]) + : ts.unescapeLeadingUnderscores(symbol.escapedName); + for (var _i = 0, staticBlocks_1 = staticBlocks; _i < staticBlocks_1.length; _i++) { + var staticBlock = staticBlocks_1[_i]; + var reference = ts.factory.createPropertyAccessExpression(ts.factory.createThis(), accessName); + ts.setParent(reference.expression, reference); + ts.setParent(reference, staticBlock); + reference.flowNode = staticBlock.returnFlowNode; + var flowType = getFlowTypeOfProperty(reference, symbol); + if (noImplicitAny && (flowType === autoType || flowType === autoArrayType)) { + error(symbol.valueDeclaration, ts.Diagnostics.Member_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); + } + // We don't infer a type if assignments are only null or undefined. + if (everyType(flowType, isNullableType)) { + continue; + } + return convertAutoToAny(flowType); + } + } + function getFlowTypeInConstructor(symbol, constructor) { + var accessName = ts.startsWith(symbol.escapedName, "__#") + ? ts.factory.createPrivateIdentifier(symbol.escapedName.split("@")[1]) + : ts.unescapeLeadingUnderscores(symbol.escapedName); + var reference = ts.factory.createPropertyAccessExpression(ts.factory.createThis(), accessName); + ts.setParent(reference.expression, reference); + ts.setParent(reference, constructor); + reference.flowNode = constructor.returnFlowNode; + var flowType = getFlowTypeOfProperty(reference, symbol); + if (noImplicitAny && (flowType === autoType || flowType === autoArrayType)) { + error(symbol.valueDeclaration, ts.Diagnostics.Member_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); + } + // We don't infer a type if assignments are only null or undefined. + return everyType(flowType, isNullableType) ? undefined : convertAutoToAny(flowType); + } + function getFlowTypeOfProperty(reference, prop) { + var initialType = (prop === null || prop === void 0 ? void 0 : prop.valueDeclaration) + && (!isAutoTypedProperty(prop) || ts.getEffectiveModifierFlags(prop.valueDeclaration) & 2 /* ModifierFlags.Ambient */) + && getTypeOfPropertyInBaseClass(prop) + || undefinedType; + return getFlowTypeOfReference(reference, autoType, initialType); + } + function getWidenedTypeForAssignmentDeclaration(symbol, resolvedSymbol) { + // function/class/{} initializers are themselves containers, so they won't merge in the same way as other initializers + var container = ts.getAssignedExpandoInitializer(symbol.valueDeclaration); + if (container) { + var tag = ts.getJSDocTypeTag(container); + if (tag && tag.typeExpression) { + return getTypeFromTypeNode(tag.typeExpression); + } + var containerObjectType = symbol.valueDeclaration && getJSContainerObjectType(symbol.valueDeclaration, symbol, container); + return containerObjectType || getWidenedLiteralType(checkExpressionCached(container)); + } + var type; + var definedInConstructor = false; + var definedInMethod = false; + // We use control flow analysis to determine the type of the property if the property qualifies as a constructor + // declared property and the resulting control flow type isn't just undefined or null. + if (isConstructorDeclaredProperty(symbol)) { + type = getFlowTypeInConstructor(symbol, getDeclaringConstructor(symbol)); + } + if (!type) { + var types = void 0; + if (symbol.declarations) { + var jsdocType = void 0; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + var expression = (ts.isBinaryExpression(declaration) || ts.isCallExpression(declaration)) ? declaration : + ts.isAccessExpression(declaration) ? ts.isBinaryExpression(declaration.parent) ? declaration.parent : declaration : + undefined; + if (!expression) { + continue; // Non-assignment declaration merged in (eg, an Identifier to mark the thing as a namespace) - skip over it and pull type info from elsewhere + } + var kind = ts.isAccessExpression(expression) + ? ts.getAssignmentDeclarationPropertyAccessKind(expression) + : ts.getAssignmentDeclarationKind(expression); + if (kind === 4 /* AssignmentDeclarationKind.ThisProperty */ || ts.isBinaryExpression(expression) && isPossiblyAliasedThisProperty(expression, kind)) { + if (isDeclarationInConstructor(expression)) { + definedInConstructor = true; + } + else { + definedInMethod = true; + } + } + if (!ts.isCallExpression(expression)) { + jsdocType = getAnnotatedTypeForAssignmentDeclaration(jsdocType, expression, symbol, declaration); + } + if (!jsdocType) { + (types || (types = [])).push((ts.isBinaryExpression(expression) || ts.isCallExpression(expression)) ? getInitializerTypeFromAssignmentDeclaration(symbol, resolvedSymbol, expression, kind) : neverType); + } + } + type = jsdocType; + } + if (!type) { + if (!ts.length(types)) { + return errorType; // No types from any declarations :( + } + var constructorTypes = definedInConstructor && symbol.declarations ? getConstructorDefinedThisAssignmentTypes(types, symbol.declarations) : undefined; + // use only the constructor types unless they were only assigned null | undefined (including widening variants) + if (definedInMethod) { + var propType = getTypeOfPropertyInBaseClass(symbol); + if (propType) { + (constructorTypes || (constructorTypes = [])).push(propType); + definedInConstructor = true; + } + } + var sourceTypes = ts.some(constructorTypes, function (t) { return !!(t.flags & ~98304 /* TypeFlags.Nullable */); }) ? constructorTypes : types; // TODO: GH#18217 + type = getUnionType(sourceTypes); + } + } + var widened = getWidenedType(addOptionality(type, /*isProperty*/ false, definedInMethod && !definedInConstructor)); + if (symbol.valueDeclaration && filterType(widened, function (t) { return !!(t.flags & ~98304 /* TypeFlags.Nullable */); }) === neverType) { + reportImplicitAny(symbol.valueDeclaration, anyType); + return anyType; + } + return widened; + } + function getJSContainerObjectType(decl, symbol, init) { + var _a, _b; + if (!ts.isInJSFile(decl) || !init || !ts.isObjectLiteralExpression(init) || init.properties.length) { + return undefined; + } + var exports = ts.createSymbolTable(); + while (ts.isBinaryExpression(decl) || ts.isPropertyAccessExpression(decl)) { + var s_2 = getSymbolOfNode(decl); + if ((_a = s_2 === null || s_2 === void 0 ? void 0 : s_2.exports) === null || _a === void 0 ? void 0 : _a.size) { + mergeSymbolTable(exports, s_2.exports); + } + decl = ts.isBinaryExpression(decl) ? decl.parent : decl.parent.parent; + } + var s = getSymbolOfNode(decl); + if ((_b = s === null || s === void 0 ? void 0 : s.exports) === null || _b === void 0 ? void 0 : _b.size) { + mergeSymbolTable(exports, s.exports); + } + var type = createAnonymousType(symbol, exports, ts.emptyArray, ts.emptyArray, ts.emptyArray); + type.objectFlags |= 4096 /* ObjectFlags.JSLiteral */; + return type; + } + function getAnnotatedTypeForAssignmentDeclaration(declaredType, expression, symbol, declaration) { + var _a; + var typeNode = ts.getEffectiveTypeAnnotationNode(expression.parent); + if (typeNode) { + var type = getWidenedType(getTypeFromTypeNode(typeNode)); + if (!declaredType) { + return type; + } + else if (!isErrorType(declaredType) && !isErrorType(type) && !isTypeIdenticalTo(declaredType, type)) { + errorNextVariableOrPropertyDeclarationMustHaveSameType(/*firstDeclaration*/ undefined, declaredType, declaration, type); + } + } + if ((_a = symbol.parent) === null || _a === void 0 ? void 0 : _a.valueDeclaration) { + var typeNode_2 = ts.getEffectiveTypeAnnotationNode(symbol.parent.valueDeclaration); + if (typeNode_2) { + var annotationSymbol = getPropertyOfType(getTypeFromTypeNode(typeNode_2), symbol.escapedName); + if (annotationSymbol) { + return getNonMissingTypeOfSymbol(annotationSymbol); + } + } + } + return declaredType; + } + /** If we don't have an explicit JSDoc type, get the type from the initializer. */ + function getInitializerTypeFromAssignmentDeclaration(symbol, resolvedSymbol, expression, kind) { + if (ts.isCallExpression(expression)) { + if (resolvedSymbol) { + return getTypeOfSymbol(resolvedSymbol); // This shouldn't happen except under some hopefully forbidden merges of export assignments and object define assignments + } + var objectLitType = checkExpressionCached(expression.arguments[2]); + var valueType = getTypeOfPropertyOfType(objectLitType, "value"); + if (valueType) { + return valueType; + } + var getFunc = getTypeOfPropertyOfType(objectLitType, "get"); + if (getFunc) { + var getSig = getSingleCallSignature(getFunc); + if (getSig) { + return getReturnTypeOfSignature(getSig); + } + } + var setFunc = getTypeOfPropertyOfType(objectLitType, "set"); + if (setFunc) { + var setSig = getSingleCallSignature(setFunc); + if (setSig) { + return getTypeOfFirstParameterOfSignature(setSig); + } + } + return anyType; + } + if (containsSameNamedThisProperty(expression.left, expression.right)) { + return anyType; + } + var isDirectExport = kind === 1 /* AssignmentDeclarationKind.ExportsProperty */ && (ts.isPropertyAccessExpression(expression.left) || ts.isElementAccessExpression(expression.left)) && (ts.isModuleExportsAccessExpression(expression.left.expression) || (ts.isIdentifier(expression.left.expression) && ts.isExportsIdentifier(expression.left.expression))); + var type = resolvedSymbol ? getTypeOfSymbol(resolvedSymbol) + : isDirectExport ? getRegularTypeOfLiteralType(checkExpressionCached(expression.right)) + : getWidenedLiteralType(checkExpressionCached(expression.right)); + if (type.flags & 524288 /* TypeFlags.Object */ && + kind === 2 /* AssignmentDeclarationKind.ModuleExports */ && + symbol.escapedName === "export=" /* InternalSymbolName.ExportEquals */) { + var exportedType = resolveStructuredTypeMembers(type); + var members_4 = ts.createSymbolTable(); + ts.copyEntries(exportedType.members, members_4); + var initialSize = members_4.size; + if (resolvedSymbol && !resolvedSymbol.exports) { + resolvedSymbol.exports = ts.createSymbolTable(); + } + (resolvedSymbol || symbol).exports.forEach(function (s, name) { + var _a; + var exportedMember = members_4.get(name); + if (exportedMember && exportedMember !== s) { + if (s.flags & 111551 /* SymbolFlags.Value */ && exportedMember.flags & 111551 /* SymbolFlags.Value */) { + // If the member has an additional value-like declaration, union the types from the two declarations, + // but issue an error if they occurred in two different files. The purpose is to support a JS file with + // a pattern like: + // + // module.exports = { a: true }; + // module.exports.a = 3; + // + // but we may have a JS file with `module.exports = { a: true }` along with a TypeScript module augmentation + // declaring an `export const a: number`. In that case, we issue a duplicate identifier error, because + // it's unclear what that's supposed to mean, so it's probably a mistake. + if (s.valueDeclaration && exportedMember.valueDeclaration && ts.getSourceFileOfNode(s.valueDeclaration) !== ts.getSourceFileOfNode(exportedMember.valueDeclaration)) { + var unescapedName = ts.unescapeLeadingUnderscores(s.escapedName); + var exportedMemberName = ((_a = ts.tryCast(exportedMember.valueDeclaration, ts.isNamedDeclaration)) === null || _a === void 0 ? void 0 : _a.name) || exportedMember.valueDeclaration; + ts.addRelatedInfo(error(s.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0, unescapedName), ts.createDiagnosticForNode(exportedMemberName, ts.Diagnostics._0_was_also_declared_here, unescapedName)); + ts.addRelatedInfo(error(exportedMemberName, ts.Diagnostics.Duplicate_identifier_0, unescapedName), ts.createDiagnosticForNode(s.valueDeclaration, ts.Diagnostics._0_was_also_declared_here, unescapedName)); + } + var union = createSymbol(s.flags | exportedMember.flags, name); + union.type = getUnionType([getTypeOfSymbol(s), getTypeOfSymbol(exportedMember)]); + union.valueDeclaration = exportedMember.valueDeclaration; + union.declarations = ts.concatenate(exportedMember.declarations, s.declarations); + members_4.set(name, union); + } + else { + members_4.set(name, mergeSymbol(s, exportedMember)); + } + } + else { + members_4.set(name, s); + } + }); + var result = createAnonymousType(initialSize !== members_4.size ? undefined : exportedType.symbol, // Only set the type's symbol if it looks to be the same as the original type + members_4, exportedType.callSignatures, exportedType.constructSignatures, exportedType.indexInfos); + result.objectFlags |= (ts.getObjectFlags(type) & 4096 /* ObjectFlags.JSLiteral */); // Propagate JSLiteral flag + if (result.symbol && result.symbol.flags & 32 /* SymbolFlags.Class */ && type === getDeclaredTypeOfClassOrInterface(result.symbol)) { + result.objectFlags |= 16777216 /* ObjectFlags.IsClassInstanceClone */; // Propagate the knowledge that this type is equivalent to the symbol's class instance type + } + return result; + } + if (isEmptyArrayLiteralType(type)) { + reportImplicitAny(expression, anyArrayType); + return anyArrayType; + } + return type; + } + function containsSameNamedThisProperty(thisProperty, expression) { + return ts.isPropertyAccessExpression(thisProperty) + && thisProperty.expression.kind === 108 /* SyntaxKind.ThisKeyword */ + && ts.forEachChildRecursively(expression, function (n) { return isMatchingReference(thisProperty, n); }); + } + function isDeclarationInConstructor(expression) { + var thisContainer = ts.getThisContainer(expression, /*includeArrowFunctions*/ false); + // Properties defined in a constructor (or base constructor, or javascript constructor function) don't get undefined added. + // Function expressions that are assigned to the prototype count as methods. + return thisContainer.kind === 171 /* SyntaxKind.Constructor */ || + thisContainer.kind === 256 /* SyntaxKind.FunctionDeclaration */ || + (thisContainer.kind === 213 /* SyntaxKind.FunctionExpression */ && !ts.isPrototypePropertyAssignment(thisContainer.parent)); + } + function getConstructorDefinedThisAssignmentTypes(types, declarations) { + ts.Debug.assert(types.length === declarations.length); + return types.filter(function (_, i) { + var declaration = declarations[i]; + var expression = ts.isBinaryExpression(declaration) ? declaration : + ts.isBinaryExpression(declaration.parent) ? declaration.parent : undefined; + return expression && isDeclarationInConstructor(expression); + }); + } + // Return the type implied by a binding pattern element. This is the type of the initializer of the element if + // one is present. Otherwise, if the element is itself a binding pattern, it is the type implied by the binding + // pattern. Otherwise, it is the type any. + function getTypeFromBindingElement(element, includePatternInType, reportErrors) { + if (element.initializer) { + // The type implied by a binding pattern is independent of context, so we check the initializer with no + // contextual type or, if the element itself is a binding pattern, with the type implied by that binding + // pattern. + var contextualType = ts.isBindingPattern(element.name) ? getTypeFromBindingPattern(element.name, /*includePatternInType*/ true, /*reportErrors*/ false) : unknownType; + return addOptionality(widenTypeInferredFromInitializer(element, checkDeclarationInitializer(element, 0 /* CheckMode.Normal */, contextualType))); + } + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors); + } + if (reportErrors && !declarationBelongsToPrivateAmbientMember(element)) { + reportImplicitAny(element, anyType); + } + // When we're including the pattern in the type (an indication we're obtaining a contextual type), we + // use the non-inferrable any type. Inference will never directly infer this type, but it is possible + // to infer a type that contains it, e.g. for a binding pattern like [foo] or { foo }. In such cases, + // widening of the binding pattern type substitutes a regular any for the non-inferrable any. + return includePatternInType ? nonInferrableAnyType : anyType; + } + // Return the type implied by an object binding pattern + function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) { + var members = ts.createSymbolTable(); + var stringIndexInfo; + var objectFlags = 128 /* ObjectFlags.ObjectLiteral */ | 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (e.dotDotDotToken) { + stringIndexInfo = createIndexInfo(stringType, anyType, /*isReadonly*/ false); + return; + } + var exprType = getLiteralTypeFromPropertyName(name); + if (!isTypeUsableAsPropertyName(exprType)) { + // do not include computed properties in the implied type + objectFlags |= 512 /* ObjectFlags.ObjectLiteralPatternWithComputedProperties */; + return; + } + var text = getPropertyNameFromType(exprType); + var flags = 4 /* SymbolFlags.Property */ | (e.initializer ? 16777216 /* SymbolFlags.Optional */ : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors); + symbol.bindingElement = e; + members.set(symbol.escapedName, symbol); + }); + var result = createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, stringIndexInfo ? [stringIndexInfo] : ts.emptyArray); + result.objectFlags |= objectFlags; + if (includePatternInType) { + result.pattern = pattern; + result.objectFlags |= 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + } + return result; + } + // Return the type implied by an array binding pattern + function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) { + var elements = pattern.elements; + var lastElement = ts.lastOrUndefined(elements); + var restElement = lastElement && lastElement.kind === 203 /* SyntaxKind.BindingElement */ && lastElement.dotDotDotToken ? lastElement : undefined; + if (elements.length === 0 || elements.length === 1 && restElement) { + return languageVersion >= 2 /* ScriptTarget.ES2015 */ ? createIterableType(anyType) : anyArrayType; + } + var elementTypes = ts.map(elements, function (e) { return ts.isOmittedExpression(e) ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); }); + var minLength = ts.findLastIndex(elements, function (e) { return !(e === restElement || ts.isOmittedExpression(e) || hasDefaultValue(e)); }, elements.length - 1) + 1; + var elementFlags = ts.map(elements, function (e, i) { return e === restElement ? 4 /* ElementFlags.Rest */ : i >= minLength ? 2 /* ElementFlags.Optional */ : 1 /* ElementFlags.Required */; }); + var result = createTupleType(elementTypes, elementFlags); + if (includePatternInType) { + result = cloneTypeReference(result); + result.pattern = pattern; + result.objectFlags |= 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + } + return result; + } + // Return the type implied by a binding pattern. This is the type implied purely by the binding pattern itself + // and without regard to its context (i.e. without regard any type annotation or initializer associated with the + // declaration in which the binding pattern is contained). For example, the implied type of [x, y] is [any, any] + // and the implied type of { x, y: z = 1 } is { x: any; y: number; }. The type implied by a binding pattern is + // used as the contextual type of an initializer associated with the binding pattern. Also, for a destructuring + // parameter with no type annotation or initializer, the type implied by the binding pattern becomes the type of + // the parameter. + function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) { + if (includePatternInType === void 0) { includePatternInType = false; } + if (reportErrors === void 0) { reportErrors = false; } + return pattern.kind === 201 /* SyntaxKind.ObjectBindingPattern */ + ? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) + : getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors); + } + // Return the type associated with a variable, parameter, or property declaration. In the simple case this is the type + // specified in a type annotation or inferred from an initializer. However, in the case of a destructuring declaration it + // is a bit more involved. For example: + // + // var [x, s = ""] = [1, "one"]; + // + // Here, the array literal [1, "one"] is contextually typed by the type [any, string], which is the implied type of the + // binding pattern [x, s = ""]. Because the contextual type is a tuple type, the resulting type of [1, "one"] is the + // tuple type [number, string]. Thus, the type inferred for 'x' is number and the type inferred for 's' is string. + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + return widenTypeForVariableLikeDeclaration(getTypeForVariableLikeDeclaration(declaration, /*includeOptionality*/ true, 0 /* CheckMode.Normal */), declaration, reportErrors); + } + function isGlobalSymbolConstructor(node) { + var symbol = getSymbolOfNode(node); + var globalSymbol = getGlobalESSymbolConstructorTypeSymbol(/*reportErrors*/ false); + return globalSymbol && symbol && symbol === globalSymbol; + } + function widenTypeForVariableLikeDeclaration(type, declaration, reportErrors) { + if (type) { + // TODO: If back compat with pre-3.0/4.0 libs isn't required, remove the following SymbolConstructor special case transforming `symbol` into `unique symbol` + if (type.flags & 4096 /* TypeFlags.ESSymbol */ && isGlobalSymbolConstructor(declaration.parent)) { + type = getESSymbolLikeTypeForNode(declaration); + } + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + // always widen a 'unique symbol' type if the type was created for a different declaration. + if (type.flags & 8192 /* TypeFlags.UniqueESSymbol */ && (ts.isBindingElement(declaration) || !declaration.type) && type.symbol !== getSymbolOfNode(declaration)) { + type = esSymbolType; + } + return getWidenedType(type); + } + // Rest parameters default to type any[], other parameters default to type any + type = ts.isParameter(declaration) && declaration.dotDotDotToken ? anyArrayType : anyType; + // Report implicit any errors unless this is a private property within an ambient declaration + if (reportErrors) { + if (!declarationBelongsToPrivateAmbientMember(declaration)) { + reportImplicitAny(declaration, type); + } + } + return type; + } + function declarationBelongsToPrivateAmbientMember(declaration) { + var root = ts.getRootDeclaration(declaration); + var memberDeclaration = root.kind === 164 /* SyntaxKind.Parameter */ ? root.parent : root; + return isPrivateWithinAmbient(memberDeclaration); + } + function tryGetTypeFromEffectiveTypeNode(node) { + var typeNode = ts.getEffectiveTypeAnnotationNode(node); + if (typeNode) { + return getTypeFromTypeNode(typeNode); + } + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var type = getTypeOfVariableOrParameterOrPropertyWorker(symbol); + // For a contextually typed parameter it is possible that a type has already + // been assigned (in assignTypeToParameterAndFixTypeParameters), and we want + // to preserve this type. + if (!links.type) { + links.type = type; + } + } + return links.type; + } + function getTypeOfVariableOrParameterOrPropertyWorker(symbol) { + // Handle prototype property + if (symbol.flags & 4194304 /* SymbolFlags.Prototype */) { + return getTypeOfPrototypeProperty(symbol); + } + // CommonsJS require and module both have type any. + if (symbol === requireSymbol) { + return anyType; + } + if (symbol.flags & 134217728 /* SymbolFlags.ModuleExports */ && symbol.valueDeclaration) { + var fileSymbol = getSymbolOfNode(ts.getSourceFileOfNode(symbol.valueDeclaration)); + var result = createSymbol(fileSymbol.flags, "exports"); + result.declarations = fileSymbol.declarations ? fileSymbol.declarations.slice() : []; + result.parent = symbol; + result.target = fileSymbol; + if (fileSymbol.valueDeclaration) + result.valueDeclaration = fileSymbol.valueDeclaration; + if (fileSymbol.members) + result.members = new ts.Map(fileSymbol.members); + if (fileSymbol.exports) + result.exports = new ts.Map(fileSymbol.exports); + var members = ts.createSymbolTable(); + members.set("exports", result); + return createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, ts.emptyArray); + } + // Handle catch clause variables + ts.Debug.assertIsDefined(symbol.valueDeclaration); + var declaration = symbol.valueDeclaration; + if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) { + var typeNode = ts.getEffectiveTypeAnnotationNode(declaration); + if (typeNode === undefined) { + return useUnknownInCatchVariables ? unknownType : anyType; + } + var type_2 = getTypeOfNode(typeNode); + // an errorType will make `checkTryStatement` issue an error + return isTypeAny(type_2) || type_2 === unknownType ? type_2 : errorType; + } + // Handle export default expressions + if (ts.isSourceFile(declaration) && ts.isJsonSourceFile(declaration)) { + if (!declaration.statements.length) { + return emptyObjectType; + } + return getWidenedType(getWidenedLiteralType(checkExpression(declaration.statements[0].expression))); + } + if (ts.isAccessor(declaration)) { + // Binding of certain patterns in JS code will occasionally mark symbols as both properties + // and accessors. Here we dispatch to accessor resolution if needed. + return getTypeOfAccessors(symbol); + } + // Handle variable, parameter or property + if (!pushTypeResolution(symbol, 0 /* TypeSystemPropertyName.Type */)) { + // Symbol is property of some kind that is merged with something - should use `getTypeOfFuncClassEnumModule` and not `getTypeOfVariableOrParameterOrProperty` + if (symbol.flags & 512 /* SymbolFlags.ValueModule */ && !(symbol.flags & 67108864 /* SymbolFlags.Assignment */)) { + return getTypeOfFuncClassEnumModule(symbol); + } + return reportCircularityError(symbol); + } + var type; + if (declaration.kind === 271 /* SyntaxKind.ExportAssignment */) { + type = widenTypeForVariableLikeDeclaration(tryGetTypeFromEffectiveTypeNode(declaration) || checkExpressionCached(declaration.expression), declaration); + } + else if (ts.isBinaryExpression(declaration) || + (ts.isInJSFile(declaration) && + (ts.isCallExpression(declaration) || (ts.isPropertyAccessExpression(declaration) || ts.isBindableStaticElementAccessExpression(declaration)) && ts.isBinaryExpression(declaration.parent)))) { + type = getWidenedTypeForAssignmentDeclaration(symbol); + } + else if (ts.isPropertyAccessExpression(declaration) + || ts.isElementAccessExpression(declaration) + || ts.isIdentifier(declaration) + || ts.isStringLiteralLike(declaration) + || ts.isNumericLiteral(declaration) + || ts.isClassDeclaration(declaration) + || ts.isFunctionDeclaration(declaration) + || (ts.isMethodDeclaration(declaration) && !ts.isObjectLiteralMethod(declaration)) + || ts.isMethodSignature(declaration) + || ts.isSourceFile(declaration)) { + // Symbol is property of some kind that is merged with something - should use `getTypeOfFuncClassEnumModule` and not `getTypeOfVariableOrParameterOrProperty` + if (symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */ | 32 /* SymbolFlags.Class */ | 384 /* SymbolFlags.Enum */ | 512 /* SymbolFlags.ValueModule */)) { + return getTypeOfFuncClassEnumModule(symbol); + } + type = ts.isBinaryExpression(declaration.parent) ? + getWidenedTypeForAssignmentDeclaration(symbol) : + tryGetTypeFromEffectiveTypeNode(declaration) || anyType; + } + else if (ts.isPropertyAssignment(declaration)) { + type = tryGetTypeFromEffectiveTypeNode(declaration) || checkPropertyAssignment(declaration); + } + else if (ts.isJsxAttribute(declaration)) { + type = tryGetTypeFromEffectiveTypeNode(declaration) || checkJsxAttribute(declaration); + } + else if (ts.isShorthandPropertyAssignment(declaration)) { + type = tryGetTypeFromEffectiveTypeNode(declaration) || checkExpressionForMutableLocation(declaration.name, 0 /* CheckMode.Normal */); + } + else if (ts.isObjectLiteralMethod(declaration)) { + type = tryGetTypeFromEffectiveTypeNode(declaration) || checkObjectLiteralMethod(declaration, 0 /* CheckMode.Normal */); + } + else if (ts.isParameter(declaration) + || ts.isPropertyDeclaration(declaration) + || ts.isPropertySignature(declaration) + || ts.isVariableDeclaration(declaration) + || ts.isBindingElement(declaration) + || ts.isJSDocPropertyLikeTag(declaration)) { + type = getWidenedTypeForVariableLikeDeclaration(declaration, /*includeOptionality*/ true); + } + // getTypeOfSymbol dispatches some JS merges incorrectly because their symbol flags are not mutually exclusive. + // Re-dispatch based on valueDeclaration.kind instead. + else if (ts.isEnumDeclaration(declaration)) { + type = getTypeOfFuncClassEnumModule(symbol); + } + else if (ts.isEnumMember(declaration)) { + type = getTypeOfEnumMember(symbol); + } + else { + return ts.Debug.fail("Unhandled declaration kind! " + ts.Debug.formatSyntaxKind(declaration.kind) + " for " + ts.Debug.formatSymbol(symbol)); + } + if (!popTypeResolution()) { + // Symbol is property of some kind that is merged with something - should use `getTypeOfFuncClassEnumModule` and not `getTypeOfVariableOrParameterOrProperty` + if (symbol.flags & 512 /* SymbolFlags.ValueModule */ && !(symbol.flags & 67108864 /* SymbolFlags.Assignment */)) { + return getTypeOfFuncClassEnumModule(symbol); + } + return reportCircularityError(symbol); + } + return type; + } + function getAnnotatedAccessorTypeNode(accessor) { + if (accessor) { + if (accessor.kind === 172 /* SyntaxKind.GetAccessor */) { + var getterTypeAnnotation = ts.getEffectiveReturnTypeNode(accessor); + return getterTypeAnnotation; + } + else { + var setterTypeAnnotation = ts.getEffectiveSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation; + } + } + return undefined; + } + function getAnnotatedAccessorType(accessor) { + var node = getAnnotatedAccessorTypeNode(accessor); + return node && getTypeFromTypeNode(node); + } + function getAnnotatedAccessorThisParameter(accessor) { + var parameter = getAccessorThisParameter(accessor); + return parameter && parameter.symbol; + } + function getThisTypeOfDeclaration(declaration) { + return getThisTypeOfSignature(getSignatureFromDeclaration(declaration)); + } + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (!pushTypeResolution(symbol, 0 /* TypeSystemPropertyName.Type */)) { + return errorType; + } + var getter = ts.getDeclarationOfKind(symbol, 172 /* SyntaxKind.GetAccessor */); + var setter = ts.getDeclarationOfKind(symbol, 173 /* SyntaxKind.SetAccessor */); + // We try to resolve a getter type annotation, a setter type annotation, or a getter function + // body return type inference, in that order. + var type = getter && ts.isInJSFile(getter) && getTypeForDeclarationFromJSDocComment(getter) || + getAnnotatedAccessorType(getter) || + getAnnotatedAccessorType(setter) || + getter && getter.body && getReturnTypeFromBody(getter); + if (!type) { + if (setter && !isPrivateWithinAmbient(setter)) { + errorOrSuggestion(noImplicitAny, setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol)); + } + else if (getter && !isPrivateWithinAmbient(getter)) { + errorOrSuggestion(noImplicitAny, getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol)); + } + type = anyType; + } + if (!popTypeResolution()) { + if (getAnnotatedAccessorTypeNode(getter)) { + error(getter, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else if (getAnnotatedAccessorTypeNode(setter)) { + error(setter, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else if (getter && noImplicitAny) { + error(getter, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + } + type = anyType; + } + links.type = type; + } + return links.type; + } + function getWriteTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.writeType) { + if (!pushTypeResolution(symbol, 8 /* TypeSystemPropertyName.WriteType */)) { + return errorType; + } + var setter = ts.getDeclarationOfKind(symbol, 173 /* SyntaxKind.SetAccessor */); + var writeType = getAnnotatedAccessorType(setter); + if (!popTypeResolution()) { + if (getAnnotatedAccessorTypeNode(setter)) { + error(setter, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + writeType = anyType; + } + // Absent an explicit setter type annotation we use the read type of the accessor. + links.writeType = writeType || getTypeOfAccessors(symbol); + } + return links.writeType; + } + function getBaseTypeVariableOfClass(symbol) { + var baseConstructorType = getBaseConstructorTypeOfClass(getDeclaredTypeOfClassOrInterface(symbol)); + return baseConstructorType.flags & 8650752 /* TypeFlags.TypeVariable */ ? baseConstructorType : + baseConstructorType.flags & 2097152 /* TypeFlags.Intersection */ ? ts.find(baseConstructorType.types, function (t) { return !!(t.flags & 8650752 /* TypeFlags.TypeVariable */); }) : + undefined; + } + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + var originalLinks = links; + if (!links.type) { + var expando = symbol.valueDeclaration && getSymbolOfExpando(symbol.valueDeclaration, /*allowDeclaration*/ false); + if (expando) { + var merged = mergeJSSymbols(symbol, expando); + if (merged) { + // note:we overwrite links because we just cloned the symbol + symbol = links = merged; + } + } + originalLinks.type = links.type = getTypeOfFuncClassEnumModuleWorker(symbol); + } + return links.type; + } + function getTypeOfFuncClassEnumModuleWorker(symbol) { + var declaration = symbol.valueDeclaration; + if (symbol.flags & 1536 /* SymbolFlags.Module */ && ts.isShorthandAmbientModuleSymbol(symbol)) { + return anyType; + } + else if (declaration && (declaration.kind === 221 /* SyntaxKind.BinaryExpression */ || + ts.isAccessExpression(declaration) && + declaration.parent.kind === 221 /* SyntaxKind.BinaryExpression */)) { + return getWidenedTypeForAssignmentDeclaration(symbol); + } + else if (symbol.flags & 512 /* SymbolFlags.ValueModule */ && declaration && ts.isSourceFile(declaration) && declaration.commonJsModuleIndicator) { + var resolvedModule = resolveExternalModuleSymbol(symbol); + if (resolvedModule !== symbol) { + if (!pushTypeResolution(symbol, 0 /* TypeSystemPropertyName.Type */)) { + return errorType; + } + var exportEquals = getMergedSymbol(symbol.exports.get("export=" /* InternalSymbolName.ExportEquals */)); + var type_3 = getWidenedTypeForAssignmentDeclaration(exportEquals, exportEquals === resolvedModule ? undefined : resolvedModule); + if (!popTypeResolution()) { + return reportCircularityError(symbol); + } + return type_3; + } + } + var type = createObjectType(16 /* ObjectFlags.Anonymous */, symbol); + if (symbol.flags & 32 /* SymbolFlags.Class */) { + var baseTypeVariable = getBaseTypeVariableOfClass(symbol); + return baseTypeVariable ? getIntersectionType([type, baseTypeVariable]) : type; + } + else { + return strictNullChecks && symbol.flags & 16777216 /* SymbolFlags.Optional */ ? getOptionalType(type) : type; + } + } + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + return links.type || (links.type = getDeclaredTypeOfEnumMember(symbol)); + } + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + var exportSymbol = symbol.declarations && getTargetOfAliasDeclaration(getDeclarationOfAliasSymbol(symbol), /*dontResolveAlias*/ true); + var declaredType = ts.firstDefined(exportSymbol === null || exportSymbol === void 0 ? void 0 : exportSymbol.declarations, function (d) { return ts.isExportAssignment(d) ? tryGetTypeFromEffectiveTypeNode(d) : undefined; }); + // It only makes sense to get the type of a value symbol. If the result of resolving + // the alias is not a value, then it has no type. To get the type associated with a + // type symbol, call getDeclaredTypeOfSymbol. + // This check is important because without it, a call to getTypeOfSymbol could end + // up recursively calling getTypeOfAlias, causing a stack overflow. + links.type = (exportSymbol === null || exportSymbol === void 0 ? void 0 : exportSymbol.declarations) && isDuplicatedCommonJSExport(exportSymbol.declarations) && symbol.declarations.length ? getFlowTypeFromCommonJSExport(exportSymbol) + : isDuplicatedCommonJSExport(symbol.declarations) ? autoType + : declaredType ? declaredType + : targetSymbol.flags & 111551 /* SymbolFlags.Value */ ? getTypeOfSymbol(targetSymbol) + : errorType; + } + return links.type; + } + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + return links.type || (links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper)); + } + function getWriteTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + return links.writeType || (links.writeType = instantiateType(getWriteTypeOfSymbol(links.target), links.mapper)); + } + function reportCircularityError(symbol) { + var declaration = symbol.valueDeclaration; + // Check if variable has type annotation that circularly references the variable itself + if (ts.getEffectiveTypeAnnotationNode(declaration)) { + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + return errorType; + } + // Check if variable has initializer that circularly references the variable itself + if (noImplicitAny && (declaration.kind !== 164 /* SyntaxKind.Parameter */ || declaration.initializer)) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + // Circularities could also result from parameters in function expressions that end up + // having themselves as contextual types following type argument inference. In those cases + // we have already reported an implicit any error so we don't report anything here. + return anyType; + } + function getTypeOfSymbolWithDeferredType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + ts.Debug.assertIsDefined(links.deferralParent); + ts.Debug.assertIsDefined(links.deferralConstituents); + links.type = links.deferralParent.flags & 1048576 /* TypeFlags.Union */ ? getUnionType(links.deferralConstituents) : getIntersectionType(links.deferralConstituents); + } + return links.type; + } + function getWriteTypeOfSymbolWithDeferredType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.writeType && links.deferralWriteConstituents) { + ts.Debug.assertIsDefined(links.deferralParent); + ts.Debug.assertIsDefined(links.deferralConstituents); + links.writeType = links.deferralParent.flags & 1048576 /* TypeFlags.Union */ ? getUnionType(links.deferralWriteConstituents) : getIntersectionType(links.deferralWriteConstituents); + } + return links.writeType; + } + /** + * Distinct write types come only from set accessors, but synthetic union and intersection + * properties deriving from set accessors will either pre-compute or defer the union or + * intersection of the writeTypes of their constituents. + */ + function getWriteTypeOfSymbol(symbol) { + var checkFlags = ts.getCheckFlags(symbol); + if (symbol.flags & 4 /* SymbolFlags.Property */) { + return checkFlags & 2 /* CheckFlags.SyntheticProperty */ ? + checkFlags & 65536 /* CheckFlags.DeferredType */ ? + getWriteTypeOfSymbolWithDeferredType(symbol) || getTypeOfSymbolWithDeferredType(symbol) : + symbol.writeType || symbol.type : + getTypeOfSymbol(symbol); + } + if (symbol.flags & 98304 /* SymbolFlags.Accessor */) { + return checkFlags & 1 /* CheckFlags.Instantiated */ ? + getWriteTypeOfInstantiatedSymbol(symbol) : + getWriteTypeOfAccessors(symbol); + } + return getTypeOfSymbol(symbol); + } + function getTypeOfSymbol(symbol) { + var checkFlags = ts.getCheckFlags(symbol); + if (checkFlags & 65536 /* CheckFlags.DeferredType */) { + return getTypeOfSymbolWithDeferredType(symbol); + } + if (checkFlags & 1 /* CheckFlags.Instantiated */) { + return getTypeOfInstantiatedSymbol(symbol); + } + if (checkFlags & 262144 /* CheckFlags.Mapped */) { + return getTypeOfMappedSymbol(symbol); + } + if (checkFlags & 8192 /* CheckFlags.ReverseMapped */) { + return getTypeOfReverseMappedSymbol(symbol); + } + if (symbol.flags & (3 /* SymbolFlags.Variable */ | 4 /* SymbolFlags.Property */)) { + return getTypeOfVariableOrParameterOrProperty(symbol); + } + if (symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */ | 32 /* SymbolFlags.Class */ | 384 /* SymbolFlags.Enum */ | 512 /* SymbolFlags.ValueModule */)) { + return getTypeOfFuncClassEnumModule(symbol); + } + if (symbol.flags & 8 /* SymbolFlags.EnumMember */) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304 /* SymbolFlags.Accessor */) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + return getTypeOfAlias(symbol); + } + return errorType; + } + function getNonMissingTypeOfSymbol(symbol) { + return removeMissingType(getTypeOfSymbol(symbol), !!(symbol.flags & 16777216 /* SymbolFlags.Optional */)); + } + function isReferenceToType(type, target) { + return type !== undefined + && target !== undefined + && (ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) !== 0 + && type.target === target; + } + function getTargetType(type) { + return ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ ? type.target : type; + } + // TODO: GH#18217 If `checkBase` is undefined, we should not call this because this will always return false. + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + if (ts.getObjectFlags(type) & (3 /* ObjectFlags.ClassOrInterface */ | 4 /* ObjectFlags.Reference */)) { + var target = getTargetType(type); + return target === checkBase || ts.some(getBaseTypes(target), check); + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return ts.some(type.types, check); + } + return false; + } + } + // Appends the type parameters given by a list of declarations to a set of type parameters and returns the resulting set. + // The function allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set + // in-place and returns the same array. + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + typeParameters = ts.appendIfUnique(typeParameters, getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration))); + } + return typeParameters; + } + // Return the outer type parameters of a node or undefined if the node has no outer type parameters. + function getOuterTypeParameters(node, includeThisTypes) { + while (true) { + node = node.parent; // TODO: GH#18217 Use SourceFile kind check instead + if (node && ts.isBinaryExpression(node)) { + // prototype assignments get the outer type parameters of their constructor function + var assignmentKind = ts.getAssignmentDeclarationKind(node); + if (assignmentKind === 6 /* AssignmentDeclarationKind.Prototype */ || assignmentKind === 3 /* AssignmentDeclarationKind.PrototypeProperty */) { + var symbol = getSymbolOfNode(node.left); + if (symbol && symbol.parent && !ts.findAncestor(symbol.parent.valueDeclaration, function (d) { return node === d; })) { + node = symbol.parent.valueDeclaration; + } + } + } + if (!node) { + return undefined; + } + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 168 /* SyntaxKind.MethodSignature */: + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 317 /* SyntaxKind.JSDocFunctionType */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 344 /* SyntaxKind.JSDocTemplateTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 195 /* SyntaxKind.MappedType */: + case 189 /* SyntaxKind.ConditionalType */: { + var outerTypeParameters = getOuterTypeParameters(node, includeThisTypes); + if (node.kind === 195 /* SyntaxKind.MappedType */) { + return ts.append(outerTypeParameters, getDeclaredTypeOfTypeParameter(getSymbolOfNode(node.typeParameter))); + } + else if (node.kind === 189 /* SyntaxKind.ConditionalType */) { + return ts.concatenate(outerTypeParameters, getInferTypeParameters(node)); + } + var outerAndOwnTypeParameters = appendTypeParameters(outerTypeParameters, ts.getEffectiveTypeParameterDeclarations(node)); + var thisType = includeThisTypes && + (node.kind === 257 /* SyntaxKind.ClassDeclaration */ || node.kind === 226 /* SyntaxKind.ClassExpression */ || node.kind === 258 /* SyntaxKind.InterfaceDeclaration */ || isJSConstructor(node)) && + getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType; + return thisType ? ts.append(outerAndOwnTypeParameters, thisType) : outerAndOwnTypeParameters; + } + case 340 /* SyntaxKind.JSDocParameterTag */: + var paramSymbol = ts.getParameterSymbolFromJSDoc(node); + if (paramSymbol) { + node = paramSymbol.valueDeclaration; + } + break; + case 320 /* SyntaxKind.JSDoc */: { + var outerTypeParameters = getOuterTypeParameters(node, includeThisTypes); + return node.tags + ? appendTypeParameters(outerTypeParameters, ts.flatMap(node.tags, function (t) { return ts.isJSDocTemplateTag(t) ? t.typeParameters : undefined; })) + : outerTypeParameters; + } + } + } + } + // The outer type parameters are those defined by enclosing generic classes, methods, or functions. + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 /* SymbolFlags.Class */ ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 258 /* SyntaxKind.InterfaceDeclaration */); + ts.Debug.assert(!!declaration, "Class was missing valueDeclaration -OR- non-class had no interface declarations"); + return getOuterTypeParameters(declaration); + } + // The local type parameters are the combined set of type parameters from all declarations of the class, + // interface, or type alias. + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + if (!symbol.declarations) { + return; + } + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 258 /* SyntaxKind.InterfaceDeclaration */ || + node.kind === 257 /* SyntaxKind.ClassDeclaration */ || + node.kind === 226 /* SyntaxKind.ClassExpression */ || + isJSConstructor(node) || + ts.isTypeAlias(node)) { + var declaration = node; + result = appendTypeParameters(result, ts.getEffectiveTypeParameterDeclarations(declaration)); + } + } + return result; + } + // The full set of type parameters for a generic class or interface type consists of its outer type parameters plus + // its locally declared type parameters. + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + } + // A type is a mixin constructor if it has a single construct signature taking no type parameters and a single + // rest parameter of type any[]. + function isMixinConstructorType(type) { + var signatures = getSignaturesOfType(type, 1 /* SignatureKind.Construct */); + if (signatures.length === 1) { + var s = signatures[0]; + if (!s.typeParameters && s.parameters.length === 1 && signatureHasRestParameter(s)) { + var paramType = getTypeOfParameter(s.parameters[0]); + return isTypeAny(paramType) || getElementTypeOfArrayType(paramType) === anyType; + } + } + return false; + } + function isConstructorType(type) { + if (getSignaturesOfType(type, 1 /* SignatureKind.Construct */).length > 0) { + return true; + } + if (type.flags & 8650752 /* TypeFlags.TypeVariable */) { + var constraint = getBaseConstraintOfType(type); + return !!constraint && isMixinConstructorType(constraint); + } + return false; + } + function getBaseTypeNodeOfClass(type) { + var decl = ts.getClassLikeDeclarationOfSymbol(type.symbol); + return decl && ts.getEffectiveBaseTypeNode(decl); + } + function getConstructorsForTypeArguments(type, typeArgumentNodes, location) { + var typeArgCount = ts.length(typeArgumentNodes); + var isJavascript = ts.isInJSFile(location); + return ts.filter(getSignaturesOfType(type, 1 /* SignatureKind.Construct */), function (sig) { return (isJavascript || typeArgCount >= getMinTypeArgumentCount(sig.typeParameters)) && typeArgCount <= ts.length(sig.typeParameters); }); + } + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes, location) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes, location); + var typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); + return ts.sameMap(signatures, function (sig) { return ts.some(sig.typeParameters) ? getSignatureInstantiation(sig, typeArguments, ts.isInJSFile(location)) : sig; }); + } + /** + * The base constructor of a class can resolve to + * * undefinedType if the class has no extends clause, + * * unknownType if an error occurred during resolution of the extends expression, + * * nullType if the extends expression is the null value, + * * anyType if the extends expression has type any, or + * * an object type with at least one construct signature. + */ + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var decl = ts.getClassLikeDeclarationOfSymbol(type.symbol); + var extended = decl && ts.getEffectiveBaseTypeNode(decl); + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1 /* TypeSystemPropertyName.ResolvedBaseConstructorType */)) { + return errorType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (extended && baseTypeNode !== extended) { + ts.Debug.assert(!extended.typeArguments); // Because this is in a JS file, and baseTypeNode is in an @extends tag + checkExpression(extended.expression); + } + if (baseConstructorType.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */)) { + // Resolving the members of a class requires us to resolve the base class of that class. + // We force resolution here such that we catch circularities now. + resolveStructuredTypeMembers(baseConstructorType); + } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = errorType; + } + if (!(baseConstructorType.flags & 1 /* TypeFlags.Any */) && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) { + var err = error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + if (baseConstructorType.flags & 262144 /* TypeFlags.TypeParameter */) { + var constraint = getConstraintFromTypeParameter(baseConstructorType); + var ctorReturn = unknownType; + if (constraint) { + var ctorSig = getSignaturesOfType(constraint, 1 /* SignatureKind.Construct */); + if (ctorSig[0]) { + ctorReturn = getReturnTypeOfSignature(ctorSig[0]); + } + } + if (baseConstructorType.symbol.declarations) { + ts.addRelatedInfo(err, ts.createDiagnosticForNode(baseConstructorType.symbol.declarations[0], ts.Diagnostics.Did_you_mean_for_0_to_be_constrained_to_type_new_args_Colon_any_1, symbolToString(baseConstructorType.symbol), typeToString(ctorReturn))); + } + } + return type.resolvedBaseConstructorType = errorType; + } + type.resolvedBaseConstructorType = baseConstructorType; + } + return type.resolvedBaseConstructorType; + } + function getImplementsTypes(type) { + var resolvedImplementsTypes = ts.emptyArray; + if (type.symbol.declarations) { + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + var implementsTypeNodes = ts.getEffectiveImplementsTypeNodes(declaration); + if (!implementsTypeNodes) + continue; + for (var _b = 0, implementsTypeNodes_1 = implementsTypeNodes; _b < implementsTypeNodes_1.length; _b++) { + var node = implementsTypeNodes_1[_b]; + var implementsType = getTypeFromTypeNode(node); + if (!isErrorType(implementsType)) { + if (resolvedImplementsTypes === ts.emptyArray) { + resolvedImplementsTypes = [implementsType]; + } + else { + resolvedImplementsTypes.push(implementsType); + } + } + } + } + } + return resolvedImplementsTypes; + } + function reportCircularBaseType(node, type) { + error(node, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 2 /* TypeFormatFlags.WriteArrayAsGenericType */)); + } + function getBaseTypes(type) { + if (!type.baseTypesResolved) { + if (pushTypeResolution(type, 7 /* TypeSystemPropertyName.ResolvedBaseTypes */)) { + if (type.objectFlags & 8 /* ObjectFlags.Tuple */) { + type.resolvedBaseTypes = [getTupleBaseType(type)]; + } + else if (type.symbol.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */)) { + if (type.symbol.flags & 32 /* SymbolFlags.Class */) { + resolveBaseTypesOfClass(type); + } + if (type.symbol.flags & 64 /* SymbolFlags.Interface */) { + resolveBaseTypesOfInterface(type); + } + } + else { + ts.Debug.fail("type must be class or interface"); + } + if (!popTypeResolution() && type.symbol.declarations) { + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 257 /* SyntaxKind.ClassDeclaration */ || declaration.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + reportCircularBaseType(declaration, type); + } + } + } + } + type.baseTypesResolved = true; + } + return type.resolvedBaseTypes; + } + function getTupleBaseType(type) { + var elementTypes = ts.sameMap(type.typeParameters, function (t, i) { return type.elementFlags[i] & 8 /* ElementFlags.Variadic */ ? getIndexedAccessType(t, numberType) : t; }); + return createArrayType(getUnionType(elementTypes || ts.emptyArray), type.readonly); + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = ts.resolvingEmptyArray; + var baseConstructorType = getApparentType(getBaseConstructorTypeOfClass(type)); + if (!(baseConstructorType.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */ | 1 /* TypeFlags.Any */))) { + return type.resolvedBaseTypes = ts.emptyArray; + } + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 /* SymbolFlags.Class */ && + areAllOuterTypeParametersApplied(originalBaseType)) { + // When base constructor type is a class with no captured type arguments we know that the constructors all have the same type parameters as the + // class and all return the instance type of the class. There is no need for further checks and we can apply the + // type arguments in the same manner as a type reference to get the same error reporting experience. + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + } + else if (baseConstructorType.flags & 1 /* TypeFlags.Any */) { + baseType = baseConstructorType; + } + else { + // The class derives from a "class-like" constructor function, check that we have at least one construct signature + // with a matching number of type parameters and use the return type of the first instantiated signature. Elsewhere + // we check that all instantiated signatures return the same type. + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments, baseTypeNode); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return type.resolvedBaseTypes = ts.emptyArray; + } + baseType = getReturnTypeOfSignature(constructors[0]); + } + if (isErrorType(baseType)) { + return type.resolvedBaseTypes = ts.emptyArray; + } + var reducedBaseType = getReducedType(baseType); + if (!isValidBaseType(reducedBaseType)) { + var elaboration = elaborateNeverIntersection(/*errorInfo*/ undefined, baseType); + var diagnostic = ts.chainDiagnosticMessages(elaboration, ts.Diagnostics.Base_constructor_return_type_0_is_not_an_object_type_or_intersection_of_object_types_with_statically_known_members, typeToString(reducedBaseType)); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(baseTypeNode.expression, diagnostic)); + return type.resolvedBaseTypes = ts.emptyArray; + } + if (type === reducedBaseType || hasBaseType(reducedBaseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 2 /* TypeFormatFlags.WriteArrayAsGenericType */)); + return type.resolvedBaseTypes = ts.emptyArray; + } + if (type.resolvedBaseTypes === ts.resolvingEmptyArray) { + // Circular reference, likely through instantiation of default parameters + // (otherwise there'd be an error from hasBaseType) - this is fine, but `.members` should be reset + // as `getIndexedAccessType` via `instantiateType` via `getTypeFromClassOrInterfaceReference` forces a + // partial instantiation of the members without the base types fully resolved + type.members = undefined; + } + return type.resolvedBaseTypes = [reducedBaseType]; + } + function areAllOuterTypeParametersApplied(type) { + // An unapplied type parameter has its symbol still the same as the matching argument symbol. + // Since parameters are applied outer-to-inner, only the last outer parameter needs to be checked. + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last_1 = outerTypeParameters.length - 1; + var typeArguments = getTypeArguments(type); + return outerTypeParameters[last_1].symbol !== typeArguments[last_1].symbol; + } + return true; + } + // A valid base type is `any`, an object type or intersection of object types. + function isValidBaseType(type) { + if (type.flags & 262144 /* TypeFlags.TypeParameter */) { + var constraint = getBaseConstraintOfType(type); + if (constraint) { + return isValidBaseType(constraint); + } + } + // TODO: Given that we allow type parmeters here now, is this `!isGenericMappedType(type)` check really needed? + // There's no reason a `T` should be allowed while a `Readonly` should not. + return !!(type.flags & (524288 /* TypeFlags.Object */ | 67108864 /* TypeFlags.NonPrimitive */ | 1 /* TypeFlags.Any */) && !isGenericMappedType(type) || + type.flags & 2097152 /* TypeFlags.Intersection */ && ts.every(type.types, isValidBaseType)); + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || ts.emptyArray; + if (type.symbol.declarations) { + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 258 /* SyntaxKind.InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getReducedType(getTypeFromTypeNode(node)); + if (!isErrorType(baseType)) { + if (isValidBaseType(baseType)) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === ts.emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + reportCircularBaseType(declaration, type); + } + } + else { + error(node, ts.Diagnostics.An_interface_can_only_extend_an_object_type_or_intersection_of_object_types_with_statically_known_members); + } + } + } + } + } + } + } + /** + * Returns true if the interface given by the symbol is free of "this" references. + * + * Specifically, the result is true if the interface itself contains no references + * to "this" in its body, if all base types are interfaces, + * and if none of the base interfaces have a "this" type. + */ + function isThislessInterface(symbol) { + if (!symbol.declarations) { + return true; + } + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + if (declaration.flags & 128 /* NodeFlags.ContainsThis */) { + return false; + } + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isEntityNameExpression(node.expression)) { + var baseSymbol = resolveEntityName(node.expression, 788968 /* SymbolFlags.Type */, /*ignoreErrors*/ true); + if (!baseSymbol || !(baseSymbol.flags & 64 /* SymbolFlags.Interface */) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } + } + } + } + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + var originalLinks = links; + if (!links.declaredType) { + var kind = symbol.flags & 32 /* SymbolFlags.Class */ ? 1 /* ObjectFlags.Class */ : 2 /* ObjectFlags.Interface */; + var merged = mergeJSSymbols(symbol, symbol.valueDeclaration && getAssignedClassSymbol(symbol.valueDeclaration)); + if (merged) { + // note:we overwrite links because we just cloned the symbol + symbol = links = merged; + } + var type = originalLinks.declaredType = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + // A class or interface is generic if it has type parameters or a "this" type. We always give classes a "this" type + // because it is not feasible to analyze all members to determine if the "this" type escapes the class (in particular, + // property types inferred from initializers and method return types inferred from return statements are very hard + // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of + // "this" references. + if (outerTypeParameters || localTypeParameters || kind === 1 /* ObjectFlags.Class */ || !isThislessInterface(symbol)) { + type.objectFlags |= 4 /* ObjectFlags.Reference */; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = new ts.Map(); + type.instantiations.set(getTypeListId(type.typeParameters), type); + type.target = type; + type.resolvedTypeArguments = type.typeParameters; + type.thisType = createTypeParameter(symbol); + type.thisType.isThisType = true; + type.thisType.constraint = type; + } + } + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var _a; + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + // Note that we use the links object as the target here because the symbol object is used as the unique + // identity for resolution of the 'type' property in SymbolLinks. + if (!pushTypeResolution(symbol, 2 /* TypeSystemPropertyName.DeclaredType */)) { + return errorType; + } + var declaration = ts.Debug.checkDefined((_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isTypeAlias), "Type alias symbol with no valid declaration found"); + var typeNode = ts.isJSDocTypeAlias(declaration) ? declaration.typeExpression : declaration.type; + // If typeNode is missing, we will error in checkJSDocTypedefTag. + var type = typeNode ? getTypeFromTypeNode(typeNode) : errorType; + if (popTypeResolution()) { + var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (typeParameters) { + // Initialize the instantiation cache for generic type aliases. The declared type corresponds to + // an instantiation of the type alias with the type parameters supplied as type arguments. + links.typeParameters = typeParameters; + links.instantiations = new ts.Map(); + links.instantiations.set(getTypeListId(typeParameters), type); + } + } + else { + type = errorType; + if (declaration.kind === 339 /* SyntaxKind.JSDocEnumTag */) { + error(declaration.typeExpression.type, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); + } + else { + error(ts.isNamedDeclaration(declaration) ? declaration.name : declaration || declaration, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); + } + } + links.declaredType = type; + } + return links.declaredType; + } + function isStringConcatExpression(expr) { + if (ts.isStringLiteralLike(expr)) { + return true; + } + else if (expr.kind === 221 /* SyntaxKind.BinaryExpression */) { + return isStringConcatExpression(expr.left) && isStringConcatExpression(expr.right); + } + return false; + } + function isLiteralEnumMember(member) { + var expr = member.initializer; + if (!expr) { + return !(member.flags & 16777216 /* NodeFlags.Ambient */); + } + switch (expr.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return true; + case 219 /* SyntaxKind.PrefixUnaryExpression */: + return expr.operator === 40 /* SyntaxKind.MinusToken */ && + expr.operand.kind === 8 /* SyntaxKind.NumericLiteral */; + case 79 /* SyntaxKind.Identifier */: + return ts.nodeIsMissing(expr) || !!getSymbolOfNode(member.parent).exports.get(expr.escapedText); + case 221 /* SyntaxKind.BinaryExpression */: + return isStringConcatExpression(expr); + default: + return false; + } + } + function getEnumKind(symbol) { + var links = getSymbolLinks(symbol); + if (links.enumKind !== undefined) { + return links.enumKind; + } + var hasNonLiteralMember = false; + if (symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 260 /* SyntaxKind.EnumDeclaration */) { + for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + if (member.initializer && ts.isStringLiteralLike(member.initializer)) { + return links.enumKind = 1 /* EnumKind.Literal */; + } + if (!isLiteralEnumMember(member)) { + hasNonLiteralMember = true; + } + } + } + } + } + return links.enumKind = hasNonLiteralMember ? 0 /* EnumKind.Numeric */ : 1 /* EnumKind.Literal */; + } + function getBaseTypeOfEnumLiteralType(type) { + return type.flags & 1024 /* TypeFlags.EnumLiteral */ && !(type.flags & 1048576 /* TypeFlags.Union */) ? getDeclaredTypeOfSymbol(getParentOfSymbol(type.symbol)) : type; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (links.declaredType) { + return links.declaredType; + } + if (getEnumKind(symbol) === 1 /* EnumKind.Literal */) { + enumCount++; + var memberTypeList = []; + if (symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 260 /* SyntaxKind.EnumDeclaration */) { + for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + var value = getEnumMemberValue(member); + var memberType = getFreshTypeOfLiteralType(getEnumLiteralType(value !== undefined ? value : 0, enumCount, getSymbolOfNode(member))); + getSymbolLinks(getSymbolOfNode(member)).declaredType = memberType; + memberTypeList.push(getRegularTypeOfLiteralType(memberType)); + } + } + } + } + if (memberTypeList.length) { + var enumType_1 = getUnionType(memberTypeList, 1 /* UnionReduction.Literal */, symbol, /*aliasTypeArguments*/ undefined); + if (enumType_1.flags & 1048576 /* TypeFlags.Union */) { + enumType_1.flags |= 1024 /* TypeFlags.EnumLiteral */; + enumType_1.symbol = symbol; + } + return links.declaredType = enumType_1; + } + } + var enumType = createType(32 /* TypeFlags.Enum */); + enumType.symbol = symbol; + return links.declaredType = enumType; + } + function getDeclaredTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + if (!links.declaredType) { + links.declaredType = enumType; + } + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + return links.declaredType || (links.declaredType = createTypeParameter(symbol)); + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + return links.declaredType || (links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol))); + } + function getDeclaredTypeOfSymbol(symbol) { + return tryGetDeclaredTypeOfSymbol(symbol) || errorType; + } + function tryGetDeclaredTypeOfSymbol(symbol) { + if (symbol.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288 /* SymbolFlags.TypeAlias */) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 262144 /* SymbolFlags.TypeParameter */) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 384 /* SymbolFlags.Enum */) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 8 /* SymbolFlags.EnumMember */) { + return getDeclaredTypeOfEnumMember(symbol); + } + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + return getDeclaredTypeOfAlias(symbol); + } + return undefined; + } + /** + * A type is free of this references if it's the any, string, number, boolean, symbol, or void keyword, a string + * literal type, an array with an element type that is free of this references, or a type reference that is + * free of this references. + */ + function isThislessType(node) { + switch (node.kind) { + case 130 /* SyntaxKind.AnyKeyword */: + case 155 /* SyntaxKind.UnknownKeyword */: + case 150 /* SyntaxKind.StringKeyword */: + case 147 /* SyntaxKind.NumberKeyword */: + case 158 /* SyntaxKind.BigIntKeyword */: + case 133 /* SyntaxKind.BooleanKeyword */: + case 151 /* SyntaxKind.SymbolKeyword */: + case 148 /* SyntaxKind.ObjectKeyword */: + case 114 /* SyntaxKind.VoidKeyword */: + case 153 /* SyntaxKind.UndefinedKeyword */: + case 143 /* SyntaxKind.NeverKeyword */: + case 196 /* SyntaxKind.LiteralType */: + return true; + case 183 /* SyntaxKind.ArrayType */: + return isThislessType(node.elementType); + case 178 /* SyntaxKind.TypeReference */: + return !node.typeArguments || node.typeArguments.every(isThislessType); + } + return false; + } + /** A type parameter is thisless if its constraint is thisless, or if it has no constraint. */ + function isThislessTypeParameter(node) { + var constraint = ts.getEffectiveConstraintOfTypeParameter(node); + return !constraint || isThislessType(constraint); + } + /** + * A variable-like declaration is free of this references if it has a type annotation + * that is thisless, or if it has no type annotation and no initializer (and is thus of type any). + */ + function isThislessVariableLikeDeclaration(node) { + var typeNode = ts.getEffectiveTypeAnnotationNode(node); + return typeNode ? isThislessType(typeNode) : !ts.hasInitializer(node); + } + /** + * A function-like declaration is considered free of `this` references if it has a return type + * annotation that is free of this references and if each parameter is thisless and if + * each type parameter (if present) is thisless. + */ + function isThislessFunctionLikeDeclaration(node) { + var returnType = ts.getEffectiveReturnTypeNode(node); + var typeParameters = ts.getEffectiveTypeParameterDeclarations(node); + return (node.kind === 171 /* SyntaxKind.Constructor */ || (!!returnType && isThislessType(returnType))) && + node.parameters.every(isThislessVariableLikeDeclaration) && + typeParameters.every(isThislessTypeParameter); + } + /** + * Returns true if the class or interface member given by the symbol is free of "this" references. The + * function may return false for symbols that are actually free of "this" references because it is not + * feasible to perform a complete analysis in all cases. In particular, property members with types + * inferred from their initializers and function members with inferred return types are conservatively + * assumed not to be free of "this" references. + */ + function isThisless(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + return isThislessVariableLikeDeclaration(declaration); + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return isThislessFunctionLikeDeclaration(declaration); + } + } + } + return false; + } + // The mappingThisOnly flag indicates that the only type parameter being mapped is "this". When the flag is true, + // we check symbols to see if we can quickly conclude they are free of "this" references, thus needing no instantiation. + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = ts.createSymbolTable(); + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result.set(symbol.escapedName, mappingThisOnly && isThisless(symbol) ? symbol : instantiateSymbol(symbol, mapper)); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!symbols.has(s.escapedName) && !isStaticPrivateIdentifierProperty(s)) { + symbols.set(s.escapedName, s); + } + } + } + function isStaticPrivateIdentifierProperty(s) { + return !!s.valueDeclaration && ts.isPrivateIdentifierClassElementDeclaration(s.valueDeclaration) && ts.isStatic(s.valueDeclaration); + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + var members = getMembersOfSymbol(symbol); + type.declaredProperties = getNamedMembers(members); + // Start with signatures at empty array in case of recursive types + type.declaredCallSignatures = ts.emptyArray; + type.declaredConstructSignatures = ts.emptyArray; + type.declaredIndexInfos = ts.emptyArray; + type.declaredCallSignatures = getSignaturesOfSymbol(members.get("__call" /* InternalSymbolName.Call */)); + type.declaredConstructSignatures = getSignaturesOfSymbol(members.get("__new" /* InternalSymbolName.New */)); + type.declaredIndexInfos = getIndexInfosOfSymbol(symbol); + } + return type; + } + /** + * Indicates whether a type can be used as a property name. + */ + function isTypeUsableAsPropertyName(type) { + return !!(type.flags & 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */); + } + /** + * Indicates whether a declaration name is definitely late-bindable. + * A declaration name is only late-bindable if: + * - It is a `ComputedPropertyName`. + * - Its expression is an `Identifier` or either a `PropertyAccessExpression` an + * `ElementAccessExpression` consisting only of these same three types of nodes. + * - The type of its expression is a string or numeric literal type, or is a `unique symbol` type. + */ + function isLateBindableName(node) { + if (!ts.isComputedPropertyName(node) && !ts.isElementAccessExpression(node)) { + return false; + } + var expr = ts.isComputedPropertyName(node) ? node.expression : node.argumentExpression; + return ts.isEntityNameExpression(expr) + && isTypeUsableAsPropertyName(ts.isComputedPropertyName(node) ? checkComputedPropertyName(node) : checkExpressionCached(expr)); + } + function isLateBoundName(name) { + return name.charCodeAt(0) === 95 /* CharacterCodes._ */ && + name.charCodeAt(1) === 95 /* CharacterCodes._ */ && + name.charCodeAt(2) === 64 /* CharacterCodes.at */; + } + /** + * Indicates whether a declaration has a late-bindable dynamic name. + */ + function hasLateBindableName(node) { + var name = ts.getNameOfDeclaration(node); + return !!name && isLateBindableName(name); + } + /** + * Indicates whether a declaration has an early-bound name or a dynamic name that can be late-bound. + */ + function hasBindableName(node) { + return !ts.hasDynamicName(node) || hasLateBindableName(node); + } + /** + * Indicates whether a declaration name is a dynamic name that cannot be late-bound. + */ + function isNonBindableDynamicName(node) { + return ts.isDynamicName(node) && !isLateBindableName(node); + } + /** + * Gets the symbolic name for a member from its type. + */ + function getPropertyNameFromType(type) { + if (type.flags & 8192 /* TypeFlags.UniqueESSymbol */) { + return type.escapedName; + } + if (type.flags & (128 /* TypeFlags.StringLiteral */ | 256 /* TypeFlags.NumberLiteral */)) { + return ts.escapeLeadingUnderscores("" + type.value); + } + return ts.Debug.fail(); + } + /** + * Adds a declaration to a late-bound dynamic member. This performs the same function for + * late-bound members that `addDeclarationToSymbol` in binder.ts performs for early-bound + * members. + */ + function addDeclarationToLateBoundSymbol(symbol, member, symbolFlags) { + ts.Debug.assert(!!(ts.getCheckFlags(symbol) & 4096 /* CheckFlags.Late */), "Expected a late-bound symbol."); + symbol.flags |= symbolFlags; + getSymbolLinks(member.symbol).lateSymbol = symbol; + if (!symbol.declarations) { + symbol.declarations = [member]; + } + else if (!member.symbol.isReplaceableByMethod) { + symbol.declarations.push(member); + } + if (symbolFlags & 111551 /* SymbolFlags.Value */) { + if (!symbol.valueDeclaration || symbol.valueDeclaration.kind !== member.kind) { + symbol.valueDeclaration = member; + } + } + } + /** + * Performs late-binding of a dynamic member. This performs the same function for + * late-bound members that `declareSymbol` in binder.ts performs for early-bound + * members. + * + * If a symbol is a dynamic name from a computed property, we perform an additional "late" + * binding phase to attempt to resolve the name for the symbol from the type of the computed + * property's expression. If the type of the expression is a string-literal, numeric-literal, + * or unique symbol type, we can use that type as the name of the symbol. + * + * For example, given: + * + * const x = Symbol(); + * + * interface I { + * [x]: number; + * } + * + * The binder gives the property `[x]: number` a special symbol with the name "__computed". + * In the late-binding phase we can type-check the expression `x` and see that it has a + * unique symbol type which we can then use as the name of the member. This allows users + * to define custom symbols that can be used in the members of an object type. + * + * @param parent The containing symbol for the member. + * @param earlySymbols The early-bound symbols of the parent. + * @param lateSymbols The late-bound symbols of the parent. + * @param decl The member to bind. + */ + function lateBindMember(parent, earlySymbols, lateSymbols, decl) { + ts.Debug.assert(!!decl.symbol, "The member is expected to have a symbol."); + var links = getNodeLinks(decl); + if (!links.resolvedSymbol) { + // In the event we attempt to resolve the late-bound name of this member recursively, + // fall back to the early-bound name of this member. + links.resolvedSymbol = decl.symbol; + var declName = ts.isBinaryExpression(decl) ? decl.left : decl.name; + var type = ts.isElementAccessExpression(declName) ? checkExpressionCached(declName.argumentExpression) : checkComputedPropertyName(declName); + if (isTypeUsableAsPropertyName(type)) { + var memberName = getPropertyNameFromType(type); + var symbolFlags = decl.symbol.flags; + // Get or add a late-bound symbol for the member. This allows us to merge late-bound accessor declarations. + var lateSymbol = lateSymbols.get(memberName); + if (!lateSymbol) + lateSymbols.set(memberName, lateSymbol = createSymbol(0 /* SymbolFlags.None */, memberName, 4096 /* CheckFlags.Late */)); + // Report an error if a late-bound member has the same name as an early-bound member, + // or if we have another early-bound symbol declaration with the same name and + // conflicting flags. + var earlySymbol = earlySymbols && earlySymbols.get(memberName); + if (lateSymbol.flags & getExcludedSymbolFlags(symbolFlags) || earlySymbol) { + // If we have an existing early-bound member, combine its declarations so that we can + // report an error at each declaration. + var declarations = earlySymbol ? ts.concatenate(earlySymbol.declarations, lateSymbol.declarations) : lateSymbol.declarations; + var name_5 = !(type.flags & 8192 /* TypeFlags.UniqueESSymbol */) && ts.unescapeLeadingUnderscores(memberName) || ts.declarationNameToString(declName); + ts.forEach(declarations, function (declaration) { return error(ts.getNameOfDeclaration(declaration) || declaration, ts.Diagnostics.Property_0_was_also_declared_here, name_5); }); + error(declName || decl, ts.Diagnostics.Duplicate_property_0, name_5); + lateSymbol = createSymbol(0 /* SymbolFlags.None */, memberName, 4096 /* CheckFlags.Late */); + } + lateSymbol.nameType = type; + addDeclarationToLateBoundSymbol(lateSymbol, decl, symbolFlags); + if (lateSymbol.parent) { + ts.Debug.assert(lateSymbol.parent === parent, "Existing symbol parent should match new one"); + } + else { + lateSymbol.parent = parent; + } + return links.resolvedSymbol = lateSymbol; + } + } + return links.resolvedSymbol; + } + function getResolvedMembersOrExportsOfSymbol(symbol, resolutionKind) { + var links = getSymbolLinks(symbol); + if (!links[resolutionKind]) { + var isStatic_1 = resolutionKind === "resolvedExports" /* MembersOrExportsResolutionKind.resolvedExports */; + var earlySymbols = !isStatic_1 ? symbol.members : + symbol.flags & 1536 /* SymbolFlags.Module */ ? getExportsOfModuleWorker(symbol) : + symbol.exports; + // In the event we recursively resolve the members/exports of the symbol, we + // set the initial value of resolvedMembers/resolvedExports to the early-bound + // members/exports of the symbol. + links[resolutionKind] = earlySymbols || emptySymbols; + // fill in any as-yet-unresolved late-bound members. + var lateSymbols = ts.createSymbolTable(); + for (var _i = 0, _a = symbol.declarations || ts.emptyArray; _i < _a.length; _i++) { + var decl = _a[_i]; + var members = ts.getMembersOfDeclaration(decl); + if (members) { + for (var _b = 0, members_5 = members; _b < members_5.length; _b++) { + var member = members_5[_b]; + if (isStatic_1 === ts.hasStaticModifier(member) && hasLateBindableName(member)) { + lateBindMember(symbol, earlySymbols, lateSymbols, member); + } + } + } + } + var assignments = symbol.assignmentDeclarationMembers; + if (assignments) { + var decls = ts.arrayFrom(assignments.values()); + for (var _c = 0, decls_1 = decls; _c < decls_1.length; _c++) { + var member = decls_1[_c]; + var assignmentKind = ts.getAssignmentDeclarationKind(member); + var isInstanceMember = assignmentKind === 3 /* AssignmentDeclarationKind.PrototypeProperty */ + || ts.isBinaryExpression(member) && isPossiblyAliasedThisProperty(member, assignmentKind) + || assignmentKind === 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */ + || assignmentKind === 6 /* AssignmentDeclarationKind.Prototype */; // A straight `Prototype` assignment probably can never have a computed name + if (isStatic_1 === !isInstanceMember && hasLateBindableName(member)) { + lateBindMember(symbol, earlySymbols, lateSymbols, member); + } + } + } + links[resolutionKind] = combineSymbolTables(earlySymbols, lateSymbols) || emptySymbols; + } + return links[resolutionKind]; + } + /** + * Gets a SymbolTable containing both the early- and late-bound members of a symbol. + * + * For a description of late-binding, see `lateBindMember`. + */ + function getMembersOfSymbol(symbol) { + return symbol.flags & 6256 /* SymbolFlags.LateBindingContainer */ + ? getResolvedMembersOrExportsOfSymbol(symbol, "resolvedMembers" /* MembersOrExportsResolutionKind.resolvedMembers */) + : symbol.members || emptySymbols; + } + /** + * If a symbol is the dynamic name of the member of an object type, get the late-bound + * symbol of the member. + * + * For a description of late-binding, see `lateBindMember`. + */ + function getLateBoundSymbol(symbol) { + if (symbol.flags & 106500 /* SymbolFlags.ClassMember */ && symbol.escapedName === "__computed" /* InternalSymbolName.Computed */) { + var links = getSymbolLinks(symbol); + if (!links.lateSymbol && ts.some(symbol.declarations, hasLateBindableName)) { + // force late binding of members/exports. This will set the late-bound symbol + var parent = getMergedSymbol(symbol.parent); + if (ts.some(symbol.declarations, ts.hasStaticModifier)) { + getExportsOfSymbol(parent); + } + else { + getMembersOfSymbol(parent); + } + } + return links.lateSymbol || (links.lateSymbol = symbol); + } + return symbol; + } + function getTypeWithThisArgument(type, thisArgument, needApparentType) { + if (ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) { + var target = type.target; + var typeArguments = getTypeArguments(type); + if (ts.length(target.typeParameters) === ts.length(typeArguments)) { + var ref = createTypeReference(target, ts.concatenate(typeArguments, [thisArgument || target.thisType])); + return needApparentType ? getApparentType(ref) : ref; + } + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + var types = ts.sameMap(type.types, function (t) { return getTypeWithThisArgument(t, thisArgument, needApparentType); }); + return types !== type.types ? getIntersectionType(types) : type; + } + return needApparentType ? getApparentType(type) : type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper; + var members; + var callSignatures; + var constructSignatures; + var indexInfos; + if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + members = source.symbol ? getMembersOfSymbol(source.symbol) : ts.createSymbolTable(source.declaredProperties); + callSignatures = source.declaredCallSignatures; + constructSignatures = source.declaredConstructSignatures; + indexInfos = source.declaredIndexInfos; + } + else { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, /*mappingThisOnly*/ typeParameters.length === 1); + callSignatures = instantiateSignatures(source.declaredCallSignatures, mapper); + constructSignatures = instantiateSignatures(source.declaredConstructSignatures, mapper); + indexInfos = instantiateIndexInfos(source.declaredIndexInfos, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (source.symbol && members === getMembersOfSymbol(source.symbol)) { + members = ts.createSymbolTable(source.declaredProperties); + } + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, indexInfos); + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* SignatureKind.Call */)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* SignatureKind.Construct */)); + var inheritedIndexInfos = instantiatedBaseType !== anyType ? getIndexInfosOfType(instantiatedBaseType) : [createIndexInfo(stringType, anyType, /*isReadonly*/ false)]; + indexInfos = ts.concatenate(indexInfos, ts.filter(inheritedIndexInfos, function (info) { return !findIndexInfo(indexInfos, info.keyType); })); + } + } + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, indexInfos); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), ts.emptyArray, ts.emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = getTypeArguments(type); + var paddedTypeArguments = typeArguments.length === typeParameters.length ? typeArguments : ts.concatenate(typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, paddedTypeArguments); + } + function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, resolvedTypePredicate, minArgumentCount, flags) { + var sig = new Signature(checker, flags); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.thisParameter = thisParameter; + sig.resolvedReturnType = resolvedReturnType; + sig.resolvedTypePredicate = resolvedTypePredicate; + sig.minArgumentCount = minArgumentCount; + sig.resolvedMinArgumentCount = undefined; + sig.target = undefined; + sig.mapper = undefined; + sig.compositeSignatures = undefined; + sig.compositeKind = undefined; + return sig; + } + function cloneSignature(sig) { + var result = createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, /*resolvedReturnType*/ undefined, + /*resolvedTypePredicate*/ undefined, sig.minArgumentCount, sig.flags & 39 /* SignatureFlags.PropagatingFlags */); + result.target = sig.target; + result.mapper = sig.mapper; + result.compositeSignatures = sig.compositeSignatures; + result.compositeKind = sig.compositeKind; + return result; + } + function createUnionSignature(signature, unionSignatures) { + var result = cloneSignature(signature); + result.compositeSignatures = unionSignatures; + result.compositeKind = 1048576 /* TypeFlags.Union */; + result.target = undefined; + result.mapper = undefined; + return result; + } + function getOptionalCallSignature(signature, callChainFlags) { + if ((signature.flags & 24 /* SignatureFlags.CallChainFlags */) === callChainFlags) { + return signature; + } + if (!signature.optionalCallSignatureCache) { + signature.optionalCallSignatureCache = {}; + } + var key = callChainFlags === 8 /* SignatureFlags.IsInnerCallChain */ ? "inner" : "outer"; + return signature.optionalCallSignatureCache[key] + || (signature.optionalCallSignatureCache[key] = createOptionalCallSignature(signature, callChainFlags)); + } + function createOptionalCallSignature(signature, callChainFlags) { + ts.Debug.assert(callChainFlags === 8 /* SignatureFlags.IsInnerCallChain */ || callChainFlags === 16 /* SignatureFlags.IsOuterCallChain */, "An optional call signature can either be for an inner call chain or an outer call chain, but not both."); + var result = cloneSignature(signature); + result.flags |= callChainFlags; + return result; + } + function getExpandedParameters(sig, skipUnionExpanding) { + if (signatureHasRestParameter(sig)) { + var restIndex_1 = sig.parameters.length - 1; + var restType = getTypeOfSymbol(sig.parameters[restIndex_1]); + if (isTupleType(restType)) { + return [expandSignatureParametersWithTupleMembers(restType, restIndex_1)]; + } + else if (!skipUnionExpanding && restType.flags & 1048576 /* TypeFlags.Union */ && ts.every(restType.types, isTupleType)) { + return ts.map(restType.types, function (t) { return expandSignatureParametersWithTupleMembers(t, restIndex_1); }); + } + } + return [sig.parameters]; + function expandSignatureParametersWithTupleMembers(restType, restIndex) { + var elementTypes = getTypeArguments(restType); + var associatedNames = restType.target.labeledElementDeclarations; + var restParams = ts.map(elementTypes, function (t, i) { + // Lookup the label from the individual tuple passed in before falling back to the signature `rest` parameter name + var tupleLabelName = !!associatedNames && getTupleElementLabel(associatedNames[i]); + var name = tupleLabelName || getParameterNameAtPosition(sig, restIndex + i, restType); + var flags = restType.target.elementFlags[i]; + var checkFlags = flags & 12 /* ElementFlags.Variable */ ? 32768 /* CheckFlags.RestParameter */ : + flags & 2 /* ElementFlags.Optional */ ? 16384 /* CheckFlags.OptionalParameter */ : 0; + var symbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */, name, checkFlags); + symbol.type = flags & 4 /* ElementFlags.Rest */ ? createArrayType(t) : t; + return symbol; + }); + return ts.concatenate(sig.parameters.slice(0, restIndex), restParams); + } + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* SignatureKind.Construct */); + var declaration = ts.getClassLikeDeclarationOfSymbol(classType.symbol); + var isAbstract = !!declaration && ts.hasSyntacticModifier(declaration, 128 /* ModifierFlags.Abstract */); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, undefined, ts.emptyArray, classType, /*resolvedTypePredicate*/ undefined, 0, isAbstract ? 4 /* SignatureFlags.Abstract */ : 0 /* SignatureFlags.None */)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var isJavaScript = ts.isInJSFile(baseTypeNode); + var typeArguments = typeArgumentsFromTypeReferenceNode(baseTypeNode); + var typeArgCount = ts.length(typeArguments); + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var minTypeArgumentCount = getMinTypeArgumentCount(baseSig.typeParameters); + var typeParamCount = ts.length(baseSig.typeParameters); + if (isJavaScript || typeArgCount >= minTypeArgumentCount && typeArgCount <= typeParamCount) { + var sig = typeParamCount ? createSignatureInstantiation(baseSig, fillMissingTypeArguments(typeArguments, baseSig.typeParameters, minTypeArgumentCount, isJavaScript)) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + sig.flags = isAbstract ? sig.flags | 4 /* SignatureFlags.Abstract */ : sig.flags & ~4 /* SignatureFlags.Abstract */; + result.push(sig); + } + } + return result; + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, partialMatch ? compareTypesSubtypeOf : compareTypesIdentical)) { + return s; + } + } + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + // We require an exact match for generic signatures, so we only return signatures from the first + // signature list and only if they have exact matches in the other signature lists. + if (listIndex > 0) { + return undefined; + } + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ false)) { + return undefined; + } + } + return [signature]; + } + var result; + for (var i = 0; i < signatureLists.length; i++) { + // Allow matching non-generic signatures to have excess parameters and different return types. + // Prefer matching this types if possible. + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ true, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ true); + if (!match) { + return undefined; + } + result = ts.appendIfUnique(result, match); + } + return result; + } + // The signatures of a union type are those signatures that are present in each of the constituent types. + // Generic signatures must match exactly, but non-generic signatures are allowed to have extra optional + // parameters and may differ in return types. When signatures differ in return types, the resulting return + // type is the union of the constituent return types. + function getUnionSignatures(signatureLists) { + var result; + var indexWithLengthOverOne; + for (var i = 0; i < signatureLists.length; i++) { + if (signatureLists[i].length === 0) + return ts.emptyArray; + if (signatureLists[i].length > 1) { + indexWithLengthOverOne = indexWithLengthOverOne === undefined ? i : -1; // -1 is a signal there are multiple overload sets + } + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + // Only process signatures with parameter lists that aren't already in the result list + if (!result || !findMatchingSignature(result, signature, /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + // Union the result types when more than one signature matches + if (unionSignatures.length > 1) { + var thisParameter = signature.thisParameter; + var firstThisParameterOfUnionSignatures = ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; }); + if (firstThisParameterOfUnionSignatures) { + var thisType = getIntersectionType(ts.mapDefined(unionSignatures, function (sig) { return sig.thisParameter && getTypeOfSymbol(sig.thisParameter); })); + thisParameter = createSymbolWithType(firstThisParameterOfUnionSignatures, thisType); + } + s = createUnionSignature(signature, unionSignatures); + s.thisParameter = thisParameter; + } + (result || (result = [])).push(s); + } + } + } + } + if (!ts.length(result) && indexWithLengthOverOne !== -1) { + // No sufficiently similar signature existed to subsume all the other signatures in the union - time to see if we can make a single + // signature that handles all over them. We only do this when there are overloads in only one constituent. + // (Overloads are conditional in nature and having overloads in multiple constituents would necessitate making a power set of + // signatures from the type, whose ordering would be non-obvious) + var masterList = signatureLists[indexWithLengthOverOne !== undefined ? indexWithLengthOverOne : 0]; + var results = masterList.slice(); + var _loop_10 = function (signatures) { + if (signatures !== masterList) { + var signature_1 = signatures[0]; + ts.Debug.assert(!!signature_1, "getUnionSignatures bails early on empty signature lists and should not have empty lists on second pass"); + results = !!signature_1.typeParameters && ts.some(results, function (s) { return !!s.typeParameters && !compareTypeParametersIdentical(signature_1.typeParameters, s.typeParameters); }) ? undefined : ts.map(results, function (sig) { return combineSignaturesOfUnionMembers(sig, signature_1); }); + if (!results) { + return "break"; + } + } + }; + for (var _b = 0, signatureLists_1 = signatureLists; _b < signatureLists_1.length; _b++) { + var signatures = signatureLists_1[_b]; + var state_3 = _loop_10(signatures); + if (state_3 === "break") + break; + } + result = results; + } + return result || ts.emptyArray; + } + function compareTypeParametersIdentical(sourceParams, targetParams) { + if (ts.length(sourceParams) !== ts.length(targetParams)) { + return false; + } + if (!sourceParams || !targetParams) { + return true; + } + var mapper = createTypeMapper(targetParams, sourceParams); + for (var i = 0; i < sourceParams.length; i++) { + var source = sourceParams[i]; + var target = targetParams[i]; + if (source === target) + continue; + // We instantiate the target type parameter constraints into the source types so we can recognize `` as the same as `` + if (!isTypeIdenticalTo(getConstraintFromTypeParameter(source) || unknownType, instantiateType(getConstraintFromTypeParameter(target) || unknownType, mapper))) + return false; + // We don't compare defaults - we just use the type parameter defaults from the first signature that seems to match. + // It might make sense to combine these defaults in the future, but doing so intelligently requires knowing + // if the parameter is used covariantly or contravariantly (so we intersect if it's used like a parameter or union if used like a return type) + // and, since it's just an inference _default_, just picking one arbitrarily works OK. + } + return true; + } + function combineUnionThisParam(left, right, mapper) { + if (!left || !right) { + return left || right; + } + // A signature `this` type might be a read or a write position... It's very possible that it should be invariant + // and we should refuse to merge signatures if there are `this` types and they do not match. However, so as to be + // permissive when calling, for now, we'll intersect the `this` types just like we do for param types in union signatures. + var thisType = getIntersectionType([getTypeOfSymbol(left), instantiateType(getTypeOfSymbol(right), mapper)]); + return createSymbolWithType(left, thisType); + } + function combineUnionParameters(left, right, mapper) { + var leftCount = getParameterCount(left); + var rightCount = getParameterCount(right); + var longest = leftCount >= rightCount ? left : right; + var shorter = longest === left ? right : left; + var longestCount = longest === left ? leftCount : rightCount; + var eitherHasEffectiveRest = (hasEffectiveRestParameter(left) || hasEffectiveRestParameter(right)); + var needsExtraRestElement = eitherHasEffectiveRest && !hasEffectiveRestParameter(longest); + var params = new Array(longestCount + (needsExtraRestElement ? 1 : 0)); + for (var i = 0; i < longestCount; i++) { + var longestParamType = tryGetTypeAtPosition(longest, i); + if (longest === right) { + longestParamType = instantiateType(longestParamType, mapper); + } + var shorterParamType = tryGetTypeAtPosition(shorter, i) || unknownType; + if (shorter === right) { + shorterParamType = instantiateType(shorterParamType, mapper); + } + var unionParamType = getIntersectionType([longestParamType, shorterParamType]); + var isRestParam = eitherHasEffectiveRest && !needsExtraRestElement && i === (longestCount - 1); + var isOptional = i >= getMinArgumentCount(longest) && i >= getMinArgumentCount(shorter); + var leftName = i >= leftCount ? undefined : getParameterNameAtPosition(left, i); + var rightName = i >= rightCount ? undefined : getParameterNameAtPosition(right, i); + var paramName = leftName === rightName ? leftName : + !leftName ? rightName : + !rightName ? leftName : + undefined; + var paramSymbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */ | (isOptional && !isRestParam ? 16777216 /* SymbolFlags.Optional */ : 0), paramName || "arg".concat(i)); + paramSymbol.type = isRestParam ? createArrayType(unionParamType) : unionParamType; + params[i] = paramSymbol; + } + if (needsExtraRestElement) { + var restParamSymbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */, "args"); + restParamSymbol.type = createArrayType(getTypeAtPosition(shorter, longestCount)); + if (shorter === right) { + restParamSymbol.type = instantiateType(restParamSymbol.type, mapper); + } + params[longestCount] = restParamSymbol; + } + return params; + } + function combineSignaturesOfUnionMembers(left, right) { + var typeParams = left.typeParameters || right.typeParameters; + var paramMapper; + if (left.typeParameters && right.typeParameters) { + paramMapper = createTypeMapper(right.typeParameters, left.typeParameters); + // We just use the type parameter defaults from the first signature + } + var declaration = left.declaration; + var params = combineUnionParameters(left, right, paramMapper); + var thisParam = combineUnionThisParam(left.thisParameter, right.thisParameter, paramMapper); + var minArgCount = Math.max(left.minArgumentCount, right.minArgumentCount); + var result = createSignature(declaration, typeParams, thisParam, params, + /*resolvedReturnType*/ undefined, + /*resolvedTypePredicate*/ undefined, minArgCount, (left.flags | right.flags) & 39 /* SignatureFlags.PropagatingFlags */); + result.compositeKind = 1048576 /* TypeFlags.Union */; + result.compositeSignatures = ts.concatenate(left.compositeKind !== 2097152 /* TypeFlags.Intersection */ && left.compositeSignatures || [left], [right]); + if (paramMapper) { + result.mapper = left.compositeKind !== 2097152 /* TypeFlags.Intersection */ && left.mapper && left.compositeSignatures ? combineTypeMappers(left.mapper, paramMapper) : paramMapper; + } + return result; + } + function getUnionIndexInfos(types) { + var sourceInfos = getIndexInfosOfType(types[0]); + if (sourceInfos) { + var result = []; + var _loop_11 = function (info) { + var indexType = info.keyType; + if (ts.every(types, function (t) { return !!getIndexInfoOfType(t, indexType); })) { + result.push(createIndexInfo(indexType, getUnionType(ts.map(types, function (t) { return getIndexTypeOfType(t, indexType); })), ts.some(types, function (t) { return getIndexInfoOfType(t, indexType).isReadonly; }))); + } + }; + for (var _i = 0, sourceInfos_1 = sourceInfos; _i < sourceInfos_1.length; _i++) { + var info = sourceInfos_1[_i]; + _loop_11(info); + } + return result; + } + return ts.emptyArray; + } + function resolveUnionTypeMembers(type) { + // The members and properties collections are empty for union types. To get all properties of a union + // type use getPropertiesOfType (only the language service uses this). + var callSignatures = getUnionSignatures(ts.map(type.types, function (t) { return t === globalFunctionType ? [unknownSignature] : getSignaturesOfType(t, 0 /* SignatureKind.Call */); })); + var constructSignatures = getUnionSignatures(ts.map(type.types, function (t) { return getSignaturesOfType(t, 1 /* SignatureKind.Construct */); })); + var indexInfos = getUnionIndexInfos(type.types); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, indexInfos); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function findMixins(types) { + var constructorTypeCount = ts.countWhere(types, function (t) { return getSignaturesOfType(t, 1 /* SignatureKind.Construct */).length > 0; }); + var mixinFlags = ts.map(types, isMixinConstructorType); + if (constructorTypeCount > 0 && constructorTypeCount === ts.countWhere(mixinFlags, function (b) { return b; })) { + var firstMixinIndex = mixinFlags.indexOf(/*searchElement*/ true); + mixinFlags[firstMixinIndex] = false; + } + return mixinFlags; + } + function includeMixinType(type, types, mixinFlags, index) { + var mixedTypes = []; + for (var i = 0; i < types.length; i++) { + if (i === index) { + mixedTypes.push(type); + } + else if (mixinFlags[i]) { + mixedTypes.push(getReturnTypeOfSignature(getSignaturesOfType(types[i], 1 /* SignatureKind.Construct */)[0])); + } + } + return getIntersectionType(mixedTypes); + } + function resolveIntersectionTypeMembers(type) { + // The members and properties collections are empty for intersection types. To get all properties of an + // intersection type use getPropertiesOfType (only the language service uses this). + var callSignatures; + var constructSignatures; + var indexInfos; + var types = type.types; + var mixinFlags = findMixins(types); + var mixinCount = ts.countWhere(mixinFlags, function (b) { return b; }); + var _loop_12 = function (i) { + var t = type.types[i]; + // When an intersection type contains mixin constructor types, the construct signatures from + // those types are discarded and their return types are mixed into the return types of all + // other construct signatures in the intersection type. For example, the intersection type + // '{ new(...args: any[]) => A } & { new(s: string) => B }' has a single construct signature + // 'new(s: string) => A & B'. + if (!mixinFlags[i]) { + var signatures = getSignaturesOfType(t, 1 /* SignatureKind.Construct */); + if (signatures.length && mixinCount > 0) { + signatures = ts.map(signatures, function (s) { + var clone = cloneSignature(s); + clone.resolvedReturnType = includeMixinType(getReturnTypeOfSignature(s), types, mixinFlags, i); + return clone; + }); + } + constructSignatures = appendSignatures(constructSignatures, signatures); + } + callSignatures = appendSignatures(callSignatures, getSignaturesOfType(t, 0 /* SignatureKind.Call */)); + indexInfos = ts.reduceLeft(getIndexInfosOfType(t), function (infos, newInfo) { return appendIndexInfo(infos, newInfo, /*union*/ false); }, indexInfos); + }; + for (var i = 0; i < types.length; i++) { + _loop_12(i); + } + setStructuredTypeMembers(type, emptySymbols, callSignatures || ts.emptyArray, constructSignatures || ts.emptyArray, indexInfos || ts.emptyArray); + } + function appendSignatures(signatures, newSignatures) { + var _loop_13 = function (sig) { + if (!signatures || ts.every(signatures, function (s) { return !compareSignaturesIdentical(s, sig, /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ false, compareTypesIdentical); })) { + signatures = ts.append(signatures, sig); + } + }; + for (var _i = 0, newSignatures_1 = newSignatures; _i < newSignatures_1.length; _i++) { + var sig = newSignatures_1[_i]; + _loop_13(sig); + } + return signatures; + } + function appendIndexInfo(indexInfos, newInfo, union) { + if (indexInfos) { + for (var i = 0; i < indexInfos.length; i++) { + var info = indexInfos[i]; + if (info.keyType === newInfo.keyType) { + indexInfos[i] = createIndexInfo(info.keyType, union ? getUnionType([info.type, newInfo.type]) : getIntersectionType([info.type, newInfo.type]), union ? info.isReadonly || newInfo.isReadonly : info.isReadonly && newInfo.isReadonly); + return indexInfos; + } + } + } + return ts.append(indexInfos, newInfo); + } + /** + * Converts an AnonymousType to a ResolvedType. + */ + function resolveAnonymousTypeMembers(type) { + if (type.target) { + setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var members_6 = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, /*mappingThisOnly*/ false); + var callSignatures = instantiateSignatures(getSignaturesOfType(type.target, 0 /* SignatureKind.Call */), type.mapper); + var constructSignatures = instantiateSignatures(getSignaturesOfType(type.target, 1 /* SignatureKind.Construct */), type.mapper); + var indexInfos_1 = instantiateIndexInfos(getIndexInfosOfType(type.target), type.mapper); + setStructuredTypeMembers(type, members_6, callSignatures, constructSignatures, indexInfos_1); + return; + } + var symbol = getMergedSymbol(type.symbol); + if (symbol.flags & 2048 /* SymbolFlags.TypeLiteral */) { + setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + var members_7 = getMembersOfSymbol(symbol); + var callSignatures = getSignaturesOfSymbol(members_7.get("__call" /* InternalSymbolName.Call */)); + var constructSignatures = getSignaturesOfSymbol(members_7.get("__new" /* InternalSymbolName.New */)); + var indexInfos_2 = getIndexInfosOfSymbol(symbol); + setStructuredTypeMembers(type, members_7, callSignatures, constructSignatures, indexInfos_2); + return; + } + // Combinations of function, class, enum and module + var members = emptySymbols; + var indexInfos; + if (symbol.exports) { + members = getExportsOfSymbol(symbol); + if (symbol === globalThisSymbol) { + var varsOnly_1 = new ts.Map(); + members.forEach(function (p) { + var _a; + if (!(p.flags & 418 /* SymbolFlags.BlockScoped */) && !(p.flags & 512 /* SymbolFlags.ValueModule */ && ((_a = p.declarations) === null || _a === void 0 ? void 0 : _a.length) && ts.every(p.declarations, ts.isAmbientModule))) { + varsOnly_1.set(p.escapedName, p); + } + }); + members = varsOnly_1; + } + } + var baseConstructorIndexInfo; + setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, ts.emptyArray); + if (symbol.flags & 32 /* SymbolFlags.Class */) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */ | 8650752 /* TypeFlags.TypeVariable */)) { + members = ts.createSymbolTable(getNamedOrIndexSignatureMembers(members)); + addInheritedMembers(members, getPropertiesOfType(baseConstructorType)); + } + else if (baseConstructorType === anyType) { + baseConstructorIndexInfo = createIndexInfo(stringType, anyType, /*isReadonly*/ false); + } + } + var indexSymbol = getIndexSymbolFromSymbolTable(members); + if (indexSymbol) { + indexInfos = getIndexInfosOfIndexSymbol(indexSymbol); + } + else { + if (baseConstructorIndexInfo) { + indexInfos = ts.append(indexInfos, baseConstructorIndexInfo); + } + if (symbol.flags & 384 /* SymbolFlags.Enum */ && (getDeclaredTypeOfSymbol(symbol).flags & 32 /* TypeFlags.Enum */ || + ts.some(type.properties, function (prop) { return !!(getTypeOfSymbol(prop).flags & 296 /* TypeFlags.NumberLike */); }))) { + indexInfos = ts.append(indexInfos, enumNumberIndexInfo); + } + } + setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, indexInfos || ts.emptyArray); + // We resolve the members before computing the signatures because a signature may use + // typeof with a qualified name expression that circularly references the type we are + // in the process of resolving (see issue #6072). The temporarily empty signature list + // will never be observed because a qualified name can't reference signatures. + if (symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } + // And likewise for construct signatures for classes + if (symbol.flags & 32 /* SymbolFlags.Class */) { + var classType_1 = getDeclaredTypeOfClassOrInterface(symbol); + var constructSignatures = symbol.members ? getSignaturesOfSymbol(symbol.members.get("__constructor" /* InternalSymbolName.Constructor */)) : ts.emptyArray; + if (symbol.flags & 16 /* SymbolFlags.Function */) { + constructSignatures = ts.addRange(constructSignatures.slice(), ts.mapDefined(type.callSignatures, function (sig) { return isJSConstructor(sig.declaration) ? + createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, classType_1, /*resolvedTypePredicate*/ undefined, sig.minArgumentCount, sig.flags & 39 /* SignatureFlags.PropagatingFlags */) : + undefined; })); + } + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType_1); + } + type.constructSignatures = constructSignatures; + } + } + function replaceIndexedAccess(instantiable, type, replacement) { + // map type.indexType to 0 + // map type.objectType to `[TReplacement]` + // thus making the indexed access `[TReplacement][0]` or `TReplacement` + return instantiateType(instantiable, createTypeMapper([type.indexType, type.objectType], [getNumberLiteralType(0), createTupleType([replacement])])); + } + function resolveReverseMappedTypeMembers(type) { + var indexInfo = getIndexInfoOfType(type.source, stringType); + var modifiers = getMappedTypeModifiers(type.mappedType); + var readonlyMask = modifiers & 1 /* MappedTypeModifiers.IncludeReadonly */ ? false : true; + var optionalMask = modifiers & 4 /* MappedTypeModifiers.IncludeOptional */ ? 0 : 16777216 /* SymbolFlags.Optional */; + var indexInfos = indexInfo ? [createIndexInfo(stringType, inferReverseMappedType(indexInfo.type, type.mappedType, type.constraintType), readonlyMask && indexInfo.isReadonly)] : ts.emptyArray; + var members = ts.createSymbolTable(); + for (var _i = 0, _a = getPropertiesOfType(type.source); _i < _a.length; _i++) { + var prop = _a[_i]; + var checkFlags = 8192 /* CheckFlags.ReverseMapped */ | (readonlyMask && isReadonlySymbol(prop) ? 8 /* CheckFlags.Readonly */ : 0); + var inferredProp = createSymbol(4 /* SymbolFlags.Property */ | prop.flags & optionalMask, prop.escapedName, checkFlags); + inferredProp.declarations = prop.declarations; + inferredProp.nameType = getSymbolLinks(prop).nameType; + inferredProp.propertyType = getTypeOfSymbol(prop); + if (type.constraintType.type.flags & 8388608 /* TypeFlags.IndexedAccess */ + && type.constraintType.type.objectType.flags & 262144 /* TypeFlags.TypeParameter */ + && type.constraintType.type.indexType.flags & 262144 /* TypeFlags.TypeParameter */) { + // A reverse mapping of `{[K in keyof T[K_1]]: T[K_1]}` is the same as that of `{[K in keyof T]: T}`, since all we care about is + // inferring to the "type parameter" (or indexed access) shared by the constraint and template. So, to reduce the number of + // type identities produced, we simplify such indexed access occurences + var newTypeParam = type.constraintType.type.objectType; + var newMappedType = replaceIndexedAccess(type.mappedType, type.constraintType.type, newTypeParam); + inferredProp.mappedType = newMappedType; + inferredProp.constraintType = getIndexType(newTypeParam); + } + else { + inferredProp.mappedType = type.mappedType; + inferredProp.constraintType = type.constraintType; + } + members.set(prop.escapedName, inferredProp); + } + setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, indexInfos); + } + // Return the lower bound of the key type in a mapped type. Intuitively, the lower + // bound includes those keys that are known to always be present, for example because + // because of constraints on type parameters (e.g. 'keyof T' for a constrained T). + function getLowerBoundOfKeyType(type) { + if (type.flags & 4194304 /* TypeFlags.Index */) { + var t = getApparentType(type.type); + return isGenericTupleType(t) ? getKnownKeysOfTupleType(t) : getIndexType(t); + } + if (type.flags & 16777216 /* TypeFlags.Conditional */) { + if (type.root.isDistributive) { + var checkType = type.checkType; + var constraint = getLowerBoundOfKeyType(checkType); + if (constraint !== checkType) { + return getConditionalTypeInstantiation(type, prependTypeMapping(type.root.checkType, constraint, type.mapper)); + } + } + return type; + } + if (type.flags & 1048576 /* TypeFlags.Union */) { + return mapType(type, getLowerBoundOfKeyType); + } + if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return getIntersectionType(ts.sameMap(type.types, getLowerBoundOfKeyType)); + } + return type; + } + function getIsLateCheckFlag(s) { + return ts.getCheckFlags(s) & 4096 /* CheckFlags.Late */; + } + function forEachMappedTypePropertyKeyTypeAndIndexSignatureKeyType(type, include, stringsOnly, cb) { + for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { + var prop = _a[_i]; + cb(getLiteralTypeFromProperty(prop, include)); + } + if (type.flags & 1 /* TypeFlags.Any */) { + cb(stringType); + } + else { + for (var _b = 0, _c = getIndexInfosOfType(type); _b < _c.length; _b++) { + var info = _c[_b]; + if (!stringsOnly || info.keyType.flags & (4 /* TypeFlags.String */ | 134217728 /* TypeFlags.TemplateLiteral */)) { + cb(info.keyType); + } + } + } + } + /** Resolve the members of a mapped type { [P in K]: T } */ + function resolveMappedTypeMembers(type) { + var members = ts.createSymbolTable(); + var indexInfos; + // Resolve upfront such that recursive references see an empty object type. + setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + // In { [P in K]: T }, we refer to P as the type parameter type, K as the constraint type, + // and T as the template type. + var typeParameter = getTypeParameterFromMappedType(type); + var constraintType = getConstraintTypeFromMappedType(type); + var nameType = getNameTypeFromMappedType(type.target || type); + var templateType = getTemplateTypeFromMappedType(type.target || type); + var modifiersType = getApparentType(getModifiersTypeFromMappedType(type)); // The 'T' in 'keyof T' + var templateModifiers = getMappedTypeModifiers(type); + var include = keyofStringsOnly ? 128 /* TypeFlags.StringLiteral */ : 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */; + if (isMappedTypeWithKeyofConstraintDeclaration(type)) { + // We have a { [P in keyof T]: X } + forEachMappedTypePropertyKeyTypeAndIndexSignatureKeyType(modifiersType, include, keyofStringsOnly, addMemberForKeyType); + } + else { + forEachType(getLowerBoundOfKeyType(constraintType), addMemberForKeyType); + } + setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, indexInfos || ts.emptyArray); + function addMemberForKeyType(keyType) { + var propNameType = nameType ? instantiateType(nameType, appendTypeMapping(type.mapper, typeParameter, keyType)) : keyType; + forEachType(propNameType, function (t) { return addMemberForKeyTypeWorker(keyType, t); }); + } + function addMemberForKeyTypeWorker(keyType, propNameType) { + // If the current iteration type constituent is a string literal type, create a property. + // Otherwise, for type string create a string index signature. + if (isTypeUsableAsPropertyName(propNameType)) { + var propName = getPropertyNameFromType(propNameType); + // String enum members from separate enums with identical values + // are distinct types with the same property name. Make the resulting + // property symbol's name type be the union of those enum member types. + var existingProp = members.get(propName); + if (existingProp) { + existingProp.nameType = getUnionType([existingProp.nameType, propNameType]); + existingProp.keyType = getUnionType([existingProp.keyType, keyType]); + } + else { + var modifiersProp = isTypeUsableAsPropertyName(keyType) ? getPropertyOfType(modifiersType, getPropertyNameFromType(keyType)) : undefined; + var isOptional = !!(templateModifiers & 4 /* MappedTypeModifiers.IncludeOptional */ || + !(templateModifiers & 8 /* MappedTypeModifiers.ExcludeOptional */) && modifiersProp && modifiersProp.flags & 16777216 /* SymbolFlags.Optional */); + var isReadonly = !!(templateModifiers & 1 /* MappedTypeModifiers.IncludeReadonly */ || + !(templateModifiers & 2 /* MappedTypeModifiers.ExcludeReadonly */) && modifiersProp && isReadonlySymbol(modifiersProp)); + var stripOptional = strictNullChecks && !isOptional && modifiersProp && modifiersProp.flags & 16777216 /* SymbolFlags.Optional */; + var lateFlag = modifiersProp ? getIsLateCheckFlag(modifiersProp) : 0; + var prop = createSymbol(4 /* SymbolFlags.Property */ | (isOptional ? 16777216 /* SymbolFlags.Optional */ : 0), propName, lateFlag | 262144 /* CheckFlags.Mapped */ | (isReadonly ? 8 /* CheckFlags.Readonly */ : 0) | (stripOptional ? 524288 /* CheckFlags.StripOptional */ : 0)); + prop.mappedType = type; + prop.nameType = propNameType; + prop.keyType = keyType; + if (modifiersProp) { + prop.syntheticOrigin = modifiersProp; + // If the mapped type has an `as XXX` clause, the property name likely won't match the declaration name and + // multiple properties may map to the same name. Thus, we attach no declarations to the symbol. + prop.declarations = nameType ? undefined : modifiersProp.declarations; + } + members.set(propName, prop); + } + } + else if (isValidIndexKeyType(propNameType) || propNameType.flags & (1 /* TypeFlags.Any */ | 32 /* TypeFlags.Enum */)) { + var indexKeyType = propNameType.flags & (1 /* TypeFlags.Any */ | 4 /* TypeFlags.String */) ? stringType : + propNameType.flags & (8 /* TypeFlags.Number */ | 32 /* TypeFlags.Enum */) ? numberType : + propNameType; + var propType = instantiateType(templateType, appendTypeMapping(type.mapper, typeParameter, keyType)); + var indexInfo = createIndexInfo(indexKeyType, propType, !!(templateModifiers & 1 /* MappedTypeModifiers.IncludeReadonly */)); + indexInfos = appendIndexInfo(indexInfos, indexInfo, /*union*/ true); + } + } + } + function getTypeOfMappedSymbol(symbol) { + if (!symbol.type) { + var mappedType = symbol.mappedType; + if (!pushTypeResolution(symbol, 0 /* TypeSystemPropertyName.Type */)) { + mappedType.containsError = true; + return errorType; + } + var templateType = getTemplateTypeFromMappedType(mappedType.target || mappedType); + var mapper = appendTypeMapping(mappedType.mapper, getTypeParameterFromMappedType(mappedType), symbol.keyType); + var propType = instantiateType(templateType, mapper); + // When creating an optional property in strictNullChecks mode, if 'undefined' isn't assignable to the + // type, we include 'undefined' in the type. Similarly, when creating a non-optional property in strictNullChecks + // mode, if the underlying property is optional we remove 'undefined' from the type. + var type = strictNullChecks && symbol.flags & 16777216 /* SymbolFlags.Optional */ && !maybeTypeOfKind(propType, 32768 /* TypeFlags.Undefined */ | 16384 /* TypeFlags.Void */) ? getOptionalType(propType, /*isProperty*/ true) : + symbol.checkFlags & 524288 /* CheckFlags.StripOptional */ ? removeMissingOrUndefinedType(propType) : + propType; + if (!popTypeResolution()) { + error(currentNode, ts.Diagnostics.Type_of_property_0_circularly_references_itself_in_mapped_type_1, symbolToString(symbol), typeToString(mappedType)); + type = errorType; + } + symbol.type = type; + } + return symbol.type; + } + function getTypeParameterFromMappedType(type) { + return type.typeParameter || + (type.typeParameter = getDeclaredTypeOfTypeParameter(getSymbolOfNode(type.declaration.typeParameter))); + } + function getConstraintTypeFromMappedType(type) { + return type.constraintType || + (type.constraintType = getConstraintOfTypeParameter(getTypeParameterFromMappedType(type)) || errorType); + } + function getNameTypeFromMappedType(type) { + return type.declaration.nameType ? + type.nameType || (type.nameType = instantiateType(getTypeFromTypeNode(type.declaration.nameType), type.mapper)) : + undefined; + } + function getTemplateTypeFromMappedType(type) { + return type.templateType || + (type.templateType = type.declaration.type ? + instantiateType(addOptionality(getTypeFromTypeNode(type.declaration.type), /*isProperty*/ true, !!(getMappedTypeModifiers(type) & 4 /* MappedTypeModifiers.IncludeOptional */)), type.mapper) : + errorType); + } + function getConstraintDeclarationForMappedType(type) { + return ts.getEffectiveConstraintOfTypeParameter(type.declaration.typeParameter); + } + function isMappedTypeWithKeyofConstraintDeclaration(type) { + var constraintDeclaration = getConstraintDeclarationForMappedType(type); // TODO: GH#18217 + return constraintDeclaration.kind === 193 /* SyntaxKind.TypeOperator */ && + constraintDeclaration.operator === 140 /* SyntaxKind.KeyOfKeyword */; + } + function getModifiersTypeFromMappedType(type) { + if (!type.modifiersType) { + if (isMappedTypeWithKeyofConstraintDeclaration(type)) { + // If the constraint declaration is a 'keyof T' node, the modifiers type is T. We check + // AST nodes here because, when T is a non-generic type, the logic below eagerly resolves + // 'keyof T' to a literal union type and we can't recover T from that type. + type.modifiersType = instantiateType(getTypeFromTypeNode(getConstraintDeclarationForMappedType(type).type), type.mapper); + } + else { + // Otherwise, get the declared constraint type, and if the constraint type is a type parameter, + // get the constraint of that type parameter. If the resulting type is an indexed type 'keyof T', + // the modifiers type is T. Otherwise, the modifiers type is unknown. + var declaredType = getTypeFromMappedTypeNode(type.declaration); + var constraint = getConstraintTypeFromMappedType(declaredType); + var extendedConstraint = constraint && constraint.flags & 262144 /* TypeFlags.TypeParameter */ ? getConstraintOfTypeParameter(constraint) : constraint; + type.modifiersType = extendedConstraint && extendedConstraint.flags & 4194304 /* TypeFlags.Index */ ? instantiateType(extendedConstraint.type, type.mapper) : unknownType; + } + } + return type.modifiersType; + } + function getMappedTypeModifiers(type) { + var declaration = type.declaration; + return (declaration.readonlyToken ? declaration.readonlyToken.kind === 40 /* SyntaxKind.MinusToken */ ? 2 /* MappedTypeModifiers.ExcludeReadonly */ : 1 /* MappedTypeModifiers.IncludeReadonly */ : 0) | + (declaration.questionToken ? declaration.questionToken.kind === 40 /* SyntaxKind.MinusToken */ ? 8 /* MappedTypeModifiers.ExcludeOptional */ : 4 /* MappedTypeModifiers.IncludeOptional */ : 0); + } + function getMappedTypeOptionality(type) { + var modifiers = getMappedTypeModifiers(type); + return modifiers & 8 /* MappedTypeModifiers.ExcludeOptional */ ? -1 : modifiers & 4 /* MappedTypeModifiers.IncludeOptional */ ? 1 : 0; + } + function getCombinedMappedTypeOptionality(type) { + var optionality = getMappedTypeOptionality(type); + var modifiersType = getModifiersTypeFromMappedType(type); + return optionality || (isGenericMappedType(modifiersType) ? getMappedTypeOptionality(modifiersType) : 0); + } + function isPartialMappedType(type) { + return !!(ts.getObjectFlags(type) & 32 /* ObjectFlags.Mapped */ && getMappedTypeModifiers(type) & 4 /* MappedTypeModifiers.IncludeOptional */); + } + function isGenericMappedType(type) { + return !!(ts.getObjectFlags(type) & 32 /* ObjectFlags.Mapped */) && isGenericIndexType(getConstraintTypeFromMappedType(type)); + } + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 524288 /* TypeFlags.Object */) { + if (type.objectFlags & 4 /* ObjectFlags.Reference */) { + resolveTypeReferenceMembers(type); + } + else if (type.objectFlags & 3 /* ObjectFlags.ClassOrInterface */) { + resolveClassOrInterfaceMembers(type); + } + else if (type.objectFlags & 1024 /* ObjectFlags.ReverseMapped */) { + resolveReverseMappedTypeMembers(type); + } + else if (type.objectFlags & 16 /* ObjectFlags.Anonymous */) { + resolveAnonymousTypeMembers(type); + } + else if (type.objectFlags & 32 /* ObjectFlags.Mapped */) { + resolveMappedTypeMembers(type); + } + } + else if (type.flags & 1048576 /* TypeFlags.Union */) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + resolveIntersectionTypeMembers(type); + } + } + return type; + } + /** Return properties of an object type or an empty array for other types */ + function getPropertiesOfObjectType(type) { + if (type.flags & 524288 /* TypeFlags.Object */) { + return resolveStructuredTypeMembers(type).properties; + } + return ts.emptyArray; + } + /** If the given type is an object type and that type has a property by the given name, + * return the symbol for that property. Otherwise return undefined. + */ + function getPropertyOfObjectType(type, name) { + if (type.flags & 524288 /* TypeFlags.Object */) { + var resolved = resolveStructuredTypeMembers(type); + var symbol = resolved.members.get(name); + if (symbol && symbolIsValue(symbol)) { + return symbol; + } + } + } + function getPropertiesOfUnionOrIntersectionType(type) { + if (!type.resolvedProperties) { + var members = ts.createSymbolTable(); + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!members.has(prop.escapedName)) { + var combinedProp = getPropertyOfUnionOrIntersectionType(type, prop.escapedName); + if (combinedProp) { + members.set(prop.escapedName, combinedProp); + } + } + } + // The properties of a union type are those that are present in all constituent types, so + // we only need to check the properties of the first type without index signature + if (type.flags & 1048576 /* TypeFlags.Union */ && getIndexInfosOfType(current).length === 0) { + break; + } + } + type.resolvedProperties = getNamedMembers(members); + } + return type.resolvedProperties; + } + function getPropertiesOfType(type) { + type = getReducedApparentType(type); + return type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ ? + getPropertiesOfUnionOrIntersectionType(type) : + getPropertiesOfObjectType(type); + } + function forEachPropertyOfType(type, action) { + type = getReducedApparentType(type); + if (type.flags & 3670016 /* TypeFlags.StructuredType */) { + resolveStructuredTypeMembers(type).members.forEach(function (symbol, escapedName) { + if (isNamedMember(symbol, escapedName)) { + action(symbol, escapedName); + } + }); + } + } + function isTypeInvalidDueToUnionDiscriminant(contextualType, obj) { + var list = obj.properties; + return list.some(function (property) { + var nameType = property.name && getLiteralTypeFromPropertyName(property.name); + var name = nameType && isTypeUsableAsPropertyName(nameType) ? getPropertyNameFromType(nameType) : undefined; + var expected = name === undefined ? undefined : getTypeOfPropertyOfType(contextualType, name); + return !!expected && isLiteralType(expected) && !isTypeAssignableTo(getTypeOfNode(property), expected); + }); + } + function getAllPossiblePropertiesOfTypes(types) { + var unionType = getUnionType(types); + if (!(unionType.flags & 1048576 /* TypeFlags.Union */)) { + return getAugmentedPropertiesOfType(unionType); + } + var props = ts.createSymbolTable(); + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var memberType = types_4[_i]; + for (var _a = 0, _b = getAugmentedPropertiesOfType(memberType); _a < _b.length; _a++) { + var escapedName = _b[_a].escapedName; + if (!props.has(escapedName)) { + var prop = createUnionOrIntersectionProperty(unionType, escapedName); + // May be undefined if the property is private + if (prop) + props.set(escapedName, prop); + } + } + } + return ts.arrayFrom(props.values()); + } + function getConstraintOfType(type) { + return type.flags & 262144 /* TypeFlags.TypeParameter */ ? getConstraintOfTypeParameter(type) : + type.flags & 8388608 /* TypeFlags.IndexedAccess */ ? getConstraintOfIndexedAccess(type) : + type.flags & 16777216 /* TypeFlags.Conditional */ ? getConstraintOfConditionalType(type) : + getBaseConstraintOfType(type); + } + function getConstraintOfTypeParameter(typeParameter) { + return hasNonCircularBaseConstraint(typeParameter) ? getConstraintFromTypeParameter(typeParameter) : undefined; + } + function getConstraintOfIndexedAccess(type) { + return hasNonCircularBaseConstraint(type) ? getConstraintFromIndexedAccess(type) : undefined; + } + function getSimplifiedTypeOrConstraint(type) { + var simplified = getSimplifiedType(type, /*writing*/ false); + return simplified !== type ? simplified : getConstraintOfType(type); + } + function getConstraintFromIndexedAccess(type) { + if (isMappedTypeGenericIndexedAccess(type)) { + // For indexed access types of the form { [P in K]: E }[X], where K is non-generic and X is generic, + // we substitute an instantiation of E where P is replaced with X. + return substituteIndexedMappedType(type.objectType, type.indexType); + } + var indexConstraint = getSimplifiedTypeOrConstraint(type.indexType); + if (indexConstraint && indexConstraint !== type.indexType) { + var indexedAccess = getIndexedAccessTypeOrUndefined(type.objectType, indexConstraint, type.accessFlags); + if (indexedAccess) { + return indexedAccess; + } + } + var objectConstraint = getSimplifiedTypeOrConstraint(type.objectType); + if (objectConstraint && objectConstraint !== type.objectType) { + return getIndexedAccessTypeOrUndefined(objectConstraint, type.indexType, type.accessFlags); + } + return undefined; + } + function getDefaultConstraintOfConditionalType(type) { + if (!type.resolvedDefaultConstraint) { + // An `any` branch of a conditional type would normally be viral - specifically, without special handling here, + // a conditional type with a single branch of type `any` would be assignable to anything, since it's constraint would simplify to + // just `any`. This result is _usually_ unwanted - so instead here we elide an `any` branch from the constraint type, + // in effect treating `any` like `never` rather than `unknown` in this location. + var trueConstraint = getInferredTrueTypeFromConditionalType(type); + var falseConstraint = getFalseTypeFromConditionalType(type); + type.resolvedDefaultConstraint = isTypeAny(trueConstraint) ? falseConstraint : isTypeAny(falseConstraint) ? trueConstraint : getUnionType([trueConstraint, falseConstraint]); + } + return type.resolvedDefaultConstraint; + } + function getConstraintOfDistributiveConditionalType(type) { + // Check if we have a conditional type of the form 'T extends U ? X : Y', where T is a constrained + // type parameter. If so, create an instantiation of the conditional type where T is replaced + // with its constraint. We do this because if the constraint is a union type it will be distributed + // over the conditional type and possibly reduced. For example, 'T extends undefined ? never : T' + // removes 'undefined' from T. + // We skip returning a distributive constraint for a restrictive instantiation of a conditional type + // as the constraint for all type params (check type included) have been replace with `unknown`, which + // is going to produce even more false positive/negative results than the distribute constraint already does. + // Please note: the distributive constraint is a kludge for emulating what a negated type could to do filter + // a union - once negated types exist and are applied to the conditional false branch, this "constraint" + // likely doesn't need to exist. + if (type.root.isDistributive && type.restrictiveInstantiation !== type) { + var simplified = getSimplifiedType(type.checkType, /*writing*/ false); + var constraint = simplified === type.checkType ? getConstraintOfType(simplified) : simplified; + if (constraint && constraint !== type.checkType) { + var instantiated = getConditionalTypeInstantiation(type, prependTypeMapping(type.root.checkType, constraint, type.mapper)); + if (!(instantiated.flags & 131072 /* TypeFlags.Never */)) { + return instantiated; + } + } + } + return undefined; + } + function getConstraintFromConditionalType(type) { + return getConstraintOfDistributiveConditionalType(type) || getDefaultConstraintOfConditionalType(type); + } + function getConstraintOfConditionalType(type) { + return hasNonCircularBaseConstraint(type) ? getConstraintFromConditionalType(type) : undefined; + } + function getEffectiveConstraintOfIntersection(types, targetIsUnion) { + var constraints; + var hasDisjointDomainType = false; + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var t = types_5[_i]; + if (t.flags & 465829888 /* TypeFlags.Instantiable */) { + // We keep following constraints as long as we have an instantiable type that is known + // not to be circular or infinite (hence we stop on index access types). + var constraint = getConstraintOfType(t); + while (constraint && constraint.flags & (262144 /* TypeFlags.TypeParameter */ | 4194304 /* TypeFlags.Index */ | 16777216 /* TypeFlags.Conditional */)) { + constraint = getConstraintOfType(constraint); + } + if (constraint) { + constraints = ts.append(constraints, constraint); + if (targetIsUnion) { + constraints = ts.append(constraints, t); + } + } + } + else if (t.flags & 469892092 /* TypeFlags.DisjointDomains */) { + hasDisjointDomainType = true; + } + } + // If the target is a union type or if we are intersecting with types belonging to one of the + // disjoint domains, we may end up producing a constraint that hasn't been examined before. + if (constraints && (targetIsUnion || hasDisjointDomainType)) { + if (hasDisjointDomainType) { + // We add any types belong to one of the disjoint domains because they might cause the final + // intersection operation to reduce the union constraints. + for (var _a = 0, types_6 = types; _a < types_6.length; _a++) { + var t = types_6[_a]; + if (t.flags & 469892092 /* TypeFlags.DisjointDomains */) { + constraints = ts.append(constraints, t); + } + } + } + return getIntersectionType(constraints); + } + return undefined; + } + function getBaseConstraintOfType(type) { + if (type.flags & (58982400 /* TypeFlags.InstantiableNonPrimitive */ | 3145728 /* TypeFlags.UnionOrIntersection */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */)) { + var constraint = getResolvedBaseConstraint(type); + return constraint !== noConstraintType && constraint !== circularConstraintType ? constraint : undefined; + } + return type.flags & 4194304 /* TypeFlags.Index */ ? keyofConstraintType : undefined; + } + /** + * This is similar to `getBaseConstraintOfType` except it returns the input type if there's no base constraint, instead of `undefined` + * It also doesn't map indexes to `string`, as where this is used this would be unneeded (and likely undesirable) + */ + function getBaseConstraintOrType(type) { + return getBaseConstraintOfType(type) || type; + } + function hasNonCircularBaseConstraint(type) { + return getResolvedBaseConstraint(type) !== circularConstraintType; + } + /** + * Return the resolved base constraint of a type variable. The noConstraintType singleton is returned if the + * type variable has no constraint, and the circularConstraintType singleton is returned if the constraint + * circularly references the type variable. + */ + function getResolvedBaseConstraint(type) { + if (type.resolvedBaseConstraint) { + return type.resolvedBaseConstraint; + } + var stack = []; + return type.resolvedBaseConstraint = getTypeWithThisArgument(getImmediateBaseConstraint(type), type); + function getImmediateBaseConstraint(t) { + if (!t.immediateBaseConstraint) { + if (!pushTypeResolution(t, 4 /* TypeSystemPropertyName.ImmediateBaseConstraint */)) { + return circularConstraintType; + } + var result = void 0; + // We always explore at least 10 levels of nested constraints. Thereafter, we continue to explore + // up to 50 levels of nested constraints provided there are no "deeply nested" types on the stack + // (i.e. no types for which five instantiations have been recorded on the stack). If we reach 50 + // levels of nesting, we are presumably exploring a repeating pattern with a long cycle that hasn't + // yet triggered the deeply nested limiter. We have no test cases that actually get to 50 levels of + // nesting, so it is effectively just a safety stop. + var identity_1 = getRecursionIdentity(t); + if (stack.length < 10 || stack.length < 50 && !ts.contains(stack, identity_1)) { + stack.push(identity_1); + result = computeBaseConstraint(getSimplifiedType(t, /*writing*/ false)); + stack.pop(); + } + if (!popTypeResolution()) { + if (t.flags & 262144 /* TypeFlags.TypeParameter */) { + var errorNode = getConstraintDeclaration(t); + if (errorNode) { + var diagnostic = error(errorNode, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(t)); + if (currentNode && !ts.isNodeDescendantOf(errorNode, currentNode) && !ts.isNodeDescendantOf(currentNode, errorNode)) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(currentNode, ts.Diagnostics.Circularity_originates_in_type_at_this_location)); + } + } + } + result = circularConstraintType; + } + t.immediateBaseConstraint = result || noConstraintType; + } + return t.immediateBaseConstraint; + } + function getBaseConstraint(t) { + var c = getImmediateBaseConstraint(t); + return c !== noConstraintType && c !== circularConstraintType ? c : undefined; + } + function computeBaseConstraint(t) { + if (t.flags & 262144 /* TypeFlags.TypeParameter */) { + var constraint = getConstraintFromTypeParameter(t); + return t.isThisType || !constraint ? + constraint : + getBaseConstraint(constraint); + } + if (t.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + var types = t.types; + var baseTypes = []; + var different = false; + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var type_4 = types_7[_i]; + var baseType = getBaseConstraint(type_4); + if (baseType) { + if (baseType !== type_4) { + different = true; + } + baseTypes.push(baseType); + } + else { + different = true; + } + } + if (!different) { + return t; + } + return t.flags & 1048576 /* TypeFlags.Union */ && baseTypes.length === types.length ? getUnionType(baseTypes) : + t.flags & 2097152 /* TypeFlags.Intersection */ && baseTypes.length ? getIntersectionType(baseTypes) : + undefined; + } + if (t.flags & 4194304 /* TypeFlags.Index */) { + return keyofConstraintType; + } + if (t.flags & 134217728 /* TypeFlags.TemplateLiteral */) { + var types = t.types; + var constraints = ts.mapDefined(types, getBaseConstraint); + return constraints.length === types.length ? getTemplateLiteralType(t.texts, constraints) : stringType; + } + if (t.flags & 268435456 /* TypeFlags.StringMapping */) { + var constraint = getBaseConstraint(t.type); + return constraint ? getStringMappingType(t.symbol, constraint) : stringType; + } + if (t.flags & 8388608 /* TypeFlags.IndexedAccess */) { + if (isMappedTypeGenericIndexedAccess(t)) { + // For indexed access types of the form { [P in K]: E }[X], where K is non-generic and X is generic, + // we substitute an instantiation of E where P is replaced with X. + return getBaseConstraint(substituteIndexedMappedType(t.objectType, t.indexType)); + } + var baseObjectType = getBaseConstraint(t.objectType); + var baseIndexType = getBaseConstraint(t.indexType); + var baseIndexedAccess = baseObjectType && baseIndexType && getIndexedAccessTypeOrUndefined(baseObjectType, baseIndexType, t.accessFlags); + return baseIndexedAccess && getBaseConstraint(baseIndexedAccess); + } + if (t.flags & 16777216 /* TypeFlags.Conditional */) { + var constraint = getConstraintFromConditionalType(t); + return constraint && getBaseConstraint(constraint); + } + if (t.flags & 33554432 /* TypeFlags.Substitution */) { + return getBaseConstraint(t.substitute); + } + return t; + } + } + function getApparentTypeOfIntersectionType(type) { + return type.resolvedApparentType || (type.resolvedApparentType = getTypeWithThisArgument(type, type, /*apparentType*/ true)); + } + function getResolvedTypeParameterDefault(typeParameter) { + if (!typeParameter.default) { + if (typeParameter.target) { + var targetDefault = getResolvedTypeParameterDefault(typeParameter.target); + typeParameter.default = targetDefault ? instantiateType(targetDefault, typeParameter.mapper) : noConstraintType; + } + else { + // To block recursion, set the initial value to the resolvingDefaultType. + typeParameter.default = resolvingDefaultType; + var defaultDeclaration = typeParameter.symbol && ts.forEach(typeParameter.symbol.declarations, function (decl) { return ts.isTypeParameterDeclaration(decl) && decl.default; }); + var defaultType = defaultDeclaration ? getTypeFromTypeNode(defaultDeclaration) : noConstraintType; + if (typeParameter.default === resolvingDefaultType) { + // If we have not been called recursively, set the correct default type. + typeParameter.default = defaultType; + } + } + } + else if (typeParameter.default === resolvingDefaultType) { + // If we are called recursively for this type parameter, mark the default as circular. + typeParameter.default = circularConstraintType; + } + return typeParameter.default; + } + /** + * Gets the default type for a type parameter. + * + * If the type parameter is the result of an instantiation, this gets the instantiated + * default type of its target. If the type parameter has no default type or the default is + * circular, `undefined` is returned. + */ + function getDefaultFromTypeParameter(typeParameter) { + var defaultType = getResolvedTypeParameterDefault(typeParameter); + return defaultType !== noConstraintType && defaultType !== circularConstraintType ? defaultType : undefined; + } + function hasNonCircularTypeParameterDefault(typeParameter) { + return getResolvedTypeParameterDefault(typeParameter) !== circularConstraintType; + } + /** + * Indicates whether the declaration of a typeParameter has a default type. + */ + function hasTypeParameterDefault(typeParameter) { + return !!(typeParameter.symbol && ts.forEach(typeParameter.symbol.declarations, function (decl) { return ts.isTypeParameterDeclaration(decl) && decl.default; })); + } + function getApparentTypeOfMappedType(type) { + return type.resolvedApparentType || (type.resolvedApparentType = getResolvedApparentTypeOfMappedType(type)); + } + function getResolvedApparentTypeOfMappedType(type) { + var typeVariable = getHomomorphicTypeVariable(type); + if (typeVariable && !type.declaration.nameType) { + var constraint = getConstraintOfTypeParameter(typeVariable); + if (constraint && isArrayOrTupleType(constraint)) { + return instantiateType(type, prependTypeMapping(typeVariable, constraint, type.mapper)); + } + } + return type; + } + function isMappedTypeGenericIndexedAccess(type) { + var objectType; + return !!(type.flags & 8388608 /* TypeFlags.IndexedAccess */ && ts.getObjectFlags(objectType = type.objectType) & 32 /* ObjectFlags.Mapped */ && + !isGenericMappedType(objectType) && isGenericIndexType(type.indexType) && + !(getMappedTypeModifiers(objectType) & 8 /* MappedTypeModifiers.ExcludeOptional */) && !objectType.declaration.nameType); + } + /** + * For a type parameter, return the base constraint of the type parameter. For the string, number, + * boolean, and symbol primitive types, return the corresponding object types. Otherwise return the + * type itself. + */ + function getApparentType(type) { + var t = !(type.flags & 465829888 /* TypeFlags.Instantiable */) ? type : getBaseConstraintOfType(type) || unknownType; + return ts.getObjectFlags(t) & 32 /* ObjectFlags.Mapped */ ? getApparentTypeOfMappedType(t) : + t.flags & 2097152 /* TypeFlags.Intersection */ ? getApparentTypeOfIntersectionType(t) : + t.flags & 402653316 /* TypeFlags.StringLike */ ? globalStringType : + t.flags & 296 /* TypeFlags.NumberLike */ ? globalNumberType : + t.flags & 2112 /* TypeFlags.BigIntLike */ ? getGlobalBigIntType() : + t.flags & 528 /* TypeFlags.BooleanLike */ ? globalBooleanType : + t.flags & 12288 /* TypeFlags.ESSymbolLike */ ? getGlobalESSymbolType() : + t.flags & 67108864 /* TypeFlags.NonPrimitive */ ? emptyObjectType : + t.flags & 4194304 /* TypeFlags.Index */ ? keyofConstraintType : + t.flags & 2 /* TypeFlags.Unknown */ && !strictNullChecks ? emptyObjectType : + t; + } + function getReducedApparentType(type) { + // Since getApparentType may return a non-reduced union or intersection type, we need to perform + // type reduction both before and after obtaining the apparent type. For example, given a type parameter + // 'T extends A | B', the type 'T & X' becomes 'A & X | B & X' after obtaining the apparent type, and + // that type may need further reduction to remove empty intersections. + return getReducedType(getApparentType(getReducedType(type))); + } + function createUnionOrIntersectionProperty(containingType, name, skipObjectFunctionPropertyAugment) { + var _a, _b; + var singleProp; + var propSet; + var indexTypes; + var isUnion = containingType.flags & 1048576 /* TypeFlags.Union */; + // Flags we want to propagate to the result if they exist in all source symbols + var optionalFlag = isUnion ? 0 /* SymbolFlags.None */ : 16777216 /* SymbolFlags.Optional */; + var syntheticFlag = 4 /* CheckFlags.SyntheticMethod */; + var checkFlags = isUnion ? 0 : 8 /* CheckFlags.Readonly */; + var mergedInstantiations = false; + for (var _i = 0, _c = containingType.types; _i < _c.length; _i++) { + var current = _c[_i]; + var type = getApparentType(current); + if (!(isErrorType(type) || type.flags & 131072 /* TypeFlags.Never */)) { + var prop = getPropertyOfType(type, name, skipObjectFunctionPropertyAugment); + var modifiers = prop ? ts.getDeclarationModifierFlagsFromSymbol(prop) : 0; + if (prop) { + if (isUnion) { + optionalFlag |= (prop.flags & 16777216 /* SymbolFlags.Optional */); + } + else { + optionalFlag &= prop.flags; + } + if (!singleProp) { + singleProp = prop; + } + else if (prop !== singleProp) { + var isInstantiation = (getTargetSymbol(prop) || prop) === (getTargetSymbol(singleProp) || singleProp); + // If the symbols are instances of one another with identical types - consider the symbols + // equivalent and just use the first one, which thus allows us to avoid eliding private + // members when intersecting a (this-)instantiations of a class with it's raw base or another instance + if (isInstantiation && compareProperties(singleProp, prop, function (a, b) { return a === b ? -1 /* Ternary.True */ : 0 /* Ternary.False */; }) === -1 /* Ternary.True */) { + // If we merged instantiations of a generic type, we replicate the symbol parent resetting behavior we used + // to do when we recorded multiple distinct symbols so that we still get, eg, `Array.length` printed + // back and not `Array.length` when we're looking at a `.length` access on a `string[] | number[]` + mergedInstantiations = !!singleProp.parent && !!ts.length(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(singleProp.parent)); + } + else { + if (!propSet) { + propSet = new ts.Map(); + propSet.set(getSymbolId(singleProp), singleProp); + } + var id = getSymbolId(prop); + if (!propSet.has(id)) { + propSet.set(id, prop); + } + } + } + if (isUnion && isReadonlySymbol(prop)) { + checkFlags |= 8 /* CheckFlags.Readonly */; + } + else if (!isUnion && !isReadonlySymbol(prop)) { + checkFlags &= ~8 /* CheckFlags.Readonly */; + } + checkFlags |= (!(modifiers & 24 /* ModifierFlags.NonPublicAccessibilityModifier */) ? 256 /* CheckFlags.ContainsPublic */ : 0) | + (modifiers & 16 /* ModifierFlags.Protected */ ? 512 /* CheckFlags.ContainsProtected */ : 0) | + (modifiers & 8 /* ModifierFlags.Private */ ? 1024 /* CheckFlags.ContainsPrivate */ : 0) | + (modifiers & 32 /* ModifierFlags.Static */ ? 2048 /* CheckFlags.ContainsStatic */ : 0); + if (!isPrototypeProperty(prop)) { + syntheticFlag = 2 /* CheckFlags.SyntheticProperty */; + } + } + else if (isUnion) { + var indexInfo = !isLateBoundName(name) && getApplicableIndexInfoForName(type, name); + if (indexInfo) { + checkFlags |= 32 /* CheckFlags.WritePartial */ | (indexInfo.isReadonly ? 8 /* CheckFlags.Readonly */ : 0); + indexTypes = ts.append(indexTypes, isTupleType(type) ? getRestTypeOfTupleType(type) || undefinedType : indexInfo.type); + } + else if (isObjectLiteralType(type) && !(ts.getObjectFlags(type) & 2097152 /* ObjectFlags.ContainsSpread */)) { + checkFlags |= 32 /* CheckFlags.WritePartial */; + indexTypes = ts.append(indexTypes, undefinedType); + } + else { + checkFlags |= 16 /* CheckFlags.ReadPartial */; + } + } + } + } + if (!singleProp || isUnion && (propSet || checkFlags & 48 /* CheckFlags.Partial */) && checkFlags & (1024 /* CheckFlags.ContainsPrivate */ | 512 /* CheckFlags.ContainsProtected */)) { + // No property was found, or, in a union, a property has a private or protected declaration in one + // constituent, but is missing or has a different declaration in another constituent. + return undefined; + } + if (!propSet && !(checkFlags & 16 /* CheckFlags.ReadPartial */) && !indexTypes) { + if (mergedInstantiations) { + // No symbol from a union/intersection should have a `.parent` set (since unions/intersections don't act as symbol parents) + // Unless that parent is "reconstituted" from the "first value declaration" on the symbol (which is likely different than its instantiated parent!) + // They also have a `.containingType` set, which affects some services endpoints behavior, like `getRootSymbol` + var clone_1 = createSymbolWithType(singleProp, singleProp.type); + clone_1.parent = (_b = (_a = singleProp.valueDeclaration) === null || _a === void 0 ? void 0 : _a.symbol) === null || _b === void 0 ? void 0 : _b.parent; + clone_1.containingType = containingType; + clone_1.mapper = singleProp.mapper; + return clone_1; + } + else { + return singleProp; + } + } + var props = propSet ? ts.arrayFrom(propSet.values()) : [singleProp]; + var declarations; + var firstType; + var nameType; + var propTypes = []; + var writeTypes; + var firstValueDeclaration; + var hasNonUniformValueDeclaration = false; + for (var _d = 0, props_1 = props; _d < props_1.length; _d++) { + var prop = props_1[_d]; + if (!firstValueDeclaration) { + firstValueDeclaration = prop.valueDeclaration; + } + else if (prop.valueDeclaration && prop.valueDeclaration !== firstValueDeclaration) { + hasNonUniformValueDeclaration = true; + } + declarations = ts.addRange(declarations, prop.declarations); + var type = getTypeOfSymbol(prop); + if (!firstType) { + firstType = type; + nameType = getSymbolLinks(prop).nameType; + } + var writeType = getWriteTypeOfSymbol(prop); + if (writeTypes || writeType !== type) { + writeTypes = ts.append(!writeTypes ? propTypes.slice() : writeTypes, writeType); + } + else if (type !== firstType) { + checkFlags |= 64 /* CheckFlags.HasNonUniformType */; + } + if (isLiteralType(type) || isPatternLiteralType(type) || type === uniqueLiteralType) { + checkFlags |= 128 /* CheckFlags.HasLiteralType */; + } + if (type.flags & 131072 /* TypeFlags.Never */ && type !== uniqueLiteralType) { + checkFlags |= 131072 /* CheckFlags.HasNeverType */; + } + propTypes.push(type); + } + ts.addRange(propTypes, indexTypes); + var result = createSymbol(4 /* SymbolFlags.Property */ | optionalFlag, name, syntheticFlag | checkFlags); + result.containingType = containingType; + if (!hasNonUniformValueDeclaration && firstValueDeclaration) { + result.valueDeclaration = firstValueDeclaration; + // Inherit information about parent type. + if (firstValueDeclaration.symbol.parent) { + result.parent = firstValueDeclaration.symbol.parent; + } + } + result.declarations = declarations; + result.nameType = nameType; + if (propTypes.length > 2) { + // When `propTypes` has the potential to explode in size when normalized, defer normalization until absolutely needed + result.checkFlags |= 65536 /* CheckFlags.DeferredType */; + result.deferralParent = containingType; + result.deferralConstituents = propTypes; + result.deferralWriteConstituents = writeTypes; + } + else { + result.type = isUnion ? getUnionType(propTypes) : getIntersectionType(propTypes); + if (writeTypes) { + result.writeType = isUnion ? getUnionType(writeTypes) : getIntersectionType(writeTypes); + } + } + return result; + } + // Return the symbol for a given property in a union or intersection type, or undefined if the property + // does not exist in any constituent type. Note that the returned property may only be present in some + // constituents, in which case the isPartial flag is set when the containing type is union type. We need + // these partial properties when identifying discriminant properties, but otherwise they are filtered out + // and do not appear to be present in the union type. + function getUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment) { + var _a, _b; + var property = ((_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) === null || _a === void 0 ? void 0 : _a.get(name)) || + !skipObjectFunctionPropertyAugment ? (_b = type.propertyCache) === null || _b === void 0 ? void 0 : _b.get(name) : undefined; + if (!property) { + property = createUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment); + if (property) { + var properties = skipObjectFunctionPropertyAugment ? type.propertyCacheWithoutObjectFunctionPropertyAugment || (type.propertyCacheWithoutObjectFunctionPropertyAugment = ts.createSymbolTable()) : type.propertyCache || (type.propertyCache = ts.createSymbolTable()); + properties.set(name, property); + } + } + return property; + } + function getPropertyOfUnionOrIntersectionType(type, name, skipObjectFunctionPropertyAugment) { + var property = getUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment); + // We need to filter out partial properties in union types + return property && !(ts.getCheckFlags(property) & 16 /* CheckFlags.ReadPartial */) ? property : undefined; + } + /** + * Return the reduced form of the given type. For a union type, it is a union of the normalized constituent types. + * For an intersection of types containing one or more mututally exclusive discriminant properties, it is 'never'. + * For all other types, it is simply the type itself. Discriminant properties are considered mutually exclusive when + * no constituent property has type 'never', but the intersection of the constituent property types is 'never'. + */ + function getReducedType(type) { + if (type.flags & 1048576 /* TypeFlags.Union */ && type.objectFlags & 16777216 /* ObjectFlags.ContainsIntersections */) { + return type.resolvedReducedType || (type.resolvedReducedType = getReducedUnionType(type)); + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + if (!(type.objectFlags & 16777216 /* ObjectFlags.IsNeverIntersectionComputed */)) { + type.objectFlags |= 16777216 /* ObjectFlags.IsNeverIntersectionComputed */ | + (ts.some(getPropertiesOfUnionOrIntersectionType(type), isNeverReducedProperty) ? 33554432 /* ObjectFlags.IsNeverIntersection */ : 0); + } + return type.objectFlags & 33554432 /* ObjectFlags.IsNeverIntersection */ ? neverType : type; + } + return type; + } + function getReducedUnionType(unionType) { + var reducedTypes = ts.sameMap(unionType.types, getReducedType); + if (reducedTypes === unionType.types) { + return unionType; + } + var reduced = getUnionType(reducedTypes); + if (reduced.flags & 1048576 /* TypeFlags.Union */) { + reduced.resolvedReducedType = reduced; + } + return reduced; + } + function isNeverReducedProperty(prop) { + return isDiscriminantWithNeverType(prop) || isConflictingPrivateProperty(prop); + } + function isDiscriminantWithNeverType(prop) { + // Return true for a synthetic non-optional property with non-uniform types, where at least one is + // a literal type and none is never, that reduces to never. + return !(prop.flags & 16777216 /* SymbolFlags.Optional */) && + (ts.getCheckFlags(prop) & (192 /* CheckFlags.Discriminant */ | 131072 /* CheckFlags.HasNeverType */)) === 192 /* CheckFlags.Discriminant */ && + !!(getTypeOfSymbol(prop).flags & 131072 /* TypeFlags.Never */); + } + function isConflictingPrivateProperty(prop) { + // Return true for a synthetic property with multiple declarations, at least one of which is private. + return !prop.valueDeclaration && !!(ts.getCheckFlags(prop) & 1024 /* CheckFlags.ContainsPrivate */); + } + function elaborateNeverIntersection(errorInfo, type) { + if (type.flags & 2097152 /* TypeFlags.Intersection */ && ts.getObjectFlags(type) & 33554432 /* ObjectFlags.IsNeverIntersection */) { + var neverProp = ts.find(getPropertiesOfUnionOrIntersectionType(type), isDiscriminantWithNeverType); + if (neverProp) { + return ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_intersection_0_was_reduced_to_never_because_property_1_has_conflicting_types_in_some_constituents, typeToString(type, /*enclosingDeclaration*/ undefined, 536870912 /* TypeFormatFlags.NoTypeReduction */), symbolToString(neverProp)); + } + var privateProp = ts.find(getPropertiesOfUnionOrIntersectionType(type), isConflictingPrivateProperty); + if (privateProp) { + return ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_intersection_0_was_reduced_to_never_because_property_1_exists_in_multiple_constituents_and_is_private_in_some, typeToString(type, /*enclosingDeclaration*/ undefined, 536870912 /* TypeFormatFlags.NoTypeReduction */), symbolToString(privateProp)); + } + } + return errorInfo; + } + /** + * Return the symbol for the property with the given name in the given type. Creates synthetic union properties when + * necessary, maps primitive types and type parameters are to their apparent types, and augments with properties from + * Object and Function as appropriate. + * + * @param type a type to look up property from + * @param name a name of property to look up in a given type + */ + function getPropertyOfType(type, name, skipObjectFunctionPropertyAugment) { + type = getReducedApparentType(type); + if (type.flags & 524288 /* TypeFlags.Object */) { + var resolved = resolveStructuredTypeMembers(type); + var symbol = resolved.members.get(name); + if (symbol && symbolIsValue(symbol)) { + return symbol; + } + if (skipObjectFunctionPropertyAugment) + return undefined; + var functionType = resolved === anyFunctionType ? globalFunctionType : + resolved.callSignatures.length ? globalCallableFunctionType : + resolved.constructSignatures.length ? globalNewableFunctionType : + undefined; + if (functionType) { + var symbol_1 = getPropertyOfObjectType(functionType, name); + if (symbol_1) { + return symbol_1; + } + } + return getPropertyOfObjectType(globalObjectType, name); + } + if (type.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + return getPropertyOfUnionOrIntersectionType(type, name, skipObjectFunctionPropertyAugment); + } + return undefined; + } + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 3670016 /* TypeFlags.StructuredType */) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 /* SignatureKind.Call */ ? resolved.callSignatures : resolved.constructSignatures; + } + return ts.emptyArray; + } + /** + * Return the signatures of the given kind in the given type. Creates synthetic union signatures when necessary and + * maps primitive types and type parameters are to their apparent types. + */ + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getReducedApparentType(type), kind); + } + function findIndexInfo(indexInfos, keyType) { + return ts.find(indexInfos, function (info) { return info.keyType === keyType; }); + } + function findApplicableIndexInfo(indexInfos, keyType) { + // Index signatures for type 'string' are considered only when no other index signatures apply. + var stringIndexInfo; + var applicableInfo; + var applicableInfos; + for (var _i = 0, indexInfos_3 = indexInfos; _i < indexInfos_3.length; _i++) { + var info = indexInfos_3[_i]; + if (info.keyType === stringType) { + stringIndexInfo = info; + } + else if (isApplicableIndexType(keyType, info.keyType)) { + if (!applicableInfo) { + applicableInfo = info; + } + else { + (applicableInfos || (applicableInfos = [applicableInfo])).push(info); + } + } + } + // When more than one index signature is applicable we create a synthetic IndexInfo. Instead of computing + // the intersected key type, we just use unknownType for the key type as nothing actually depends on the + // keyType property of the returned IndexInfo. + return applicableInfos ? createIndexInfo(unknownType, getIntersectionType(ts.map(applicableInfos, function (info) { return info.type; })), ts.reduceLeft(applicableInfos, function (isReadonly, info) { return isReadonly && info.isReadonly; }, /*initial*/ true)) : + applicableInfo ? applicableInfo : + stringIndexInfo && isApplicableIndexType(keyType, stringType) ? stringIndexInfo : + undefined; + } + function isApplicableIndexType(source, target) { + // A 'string' index signature applies to types assignable to 'string' or 'number', and a 'number' index + // signature applies to types assignable to 'number', `${number}` and numeric string literal types. + return isTypeAssignableTo(source, target) || + target === stringType && isTypeAssignableTo(source, numberType) || + target === numberType && (source === numericStringType || !!(source.flags & 128 /* TypeFlags.StringLiteral */) && ts.isNumericLiteralName(source.value)); + } + function getIndexInfosOfStructuredType(type) { + if (type.flags & 3670016 /* TypeFlags.StructuredType */) { + var resolved = resolveStructuredTypeMembers(type); + return resolved.indexInfos; + } + return ts.emptyArray; + } + function getIndexInfosOfType(type) { + return getIndexInfosOfStructuredType(getReducedApparentType(type)); + } + // Return the indexing info of the given kind in the given type. Creates synthetic union index types when necessary and + // maps primitive types and type parameters are to their apparent types. + function getIndexInfoOfType(type, keyType) { + return findIndexInfo(getIndexInfosOfType(type), keyType); + } + // Return the index type of the given kind in the given type. Creates synthetic union index types when necessary and + // maps primitive types and type parameters are to their apparent types. + function getIndexTypeOfType(type, keyType) { + var _a; + return (_a = getIndexInfoOfType(type, keyType)) === null || _a === void 0 ? void 0 : _a.type; + } + function getApplicableIndexInfos(type, keyType) { + return getIndexInfosOfType(type).filter(function (info) { return isApplicableIndexType(keyType, info.keyType); }); + } + function getApplicableIndexInfo(type, keyType) { + return findApplicableIndexInfo(getIndexInfosOfType(type), keyType); + } + function getApplicableIndexInfoForName(type, name) { + return getApplicableIndexInfo(type, isLateBoundName(name) ? esSymbolType : getStringLiteralType(ts.unescapeLeadingUnderscores(name))); + } + // Return list of type parameters with duplicates removed (duplicate identifier errors are generated in the actual + // type checking functions). + function getTypeParametersFromDeclaration(declaration) { + var result; + for (var _i = 0, _a = ts.getEffectiveTypeParameterDeclarations(declaration); _i < _a.length; _i++) { + var node = _a[_i]; + result = ts.appendIfUnique(result, getDeclaredTypeOfTypeParameter(node.symbol)); + } + return result; + } + function symbolsToArray(symbols) { + var result = []; + symbols.forEach(function (symbol, id) { + if (!isReservedMemberName(id)) { + result.push(symbol); + } + }); + return result; + } + function isJSDocOptionalParameter(node) { + return ts.isInJSFile(node) && ( + // node.type should only be a JSDocOptionalType when node is a parameter of a JSDocFunctionType + node.type && node.type.kind === 316 /* SyntaxKind.JSDocOptionalType */ + || ts.getJSDocParameterTags(node).some(function (_a) { + var isBracketed = _a.isBracketed, typeExpression = _a.typeExpression; + return isBracketed || !!typeExpression && typeExpression.type.kind === 316 /* SyntaxKind.JSDocOptionalType */; + })); + } + function tryFindAmbientModule(moduleName, withAugmentations) { + if (ts.isExternalModuleNameRelative(moduleName)) { + return undefined; + } + var symbol = getSymbol(globals, '"' + moduleName + '"', 512 /* SymbolFlags.ValueModule */); + // merged symbol is module declaration symbol combined with all augmentations + return symbol && withAugmentations ? getMergedSymbol(symbol) : symbol; + } + function isOptionalParameter(node) { + if (ts.hasQuestionToken(node) || isOptionalJSDocPropertyLikeTag(node) || isJSDocOptionalParameter(node)) { + return true; + } + if (node.initializer) { + var signature = getSignatureFromDeclaration(node.parent); + var parameterIndex = node.parent.parameters.indexOf(node); + ts.Debug.assert(parameterIndex >= 0); + // Only consider syntactic or instantiated parameters as optional, not `void` parameters as this function is used + // in grammar checks and checking for `void` too early results in parameter types widening too early + // and causes some noImplicitAny errors to be lost. + return parameterIndex >= getMinArgumentCount(signature, 1 /* MinArgumentCountFlags.StrongArityForUntypedJS */ | 2 /* MinArgumentCountFlags.VoidIsNonOptional */); + } + var iife = ts.getImmediatelyInvokedFunctionExpression(node.parent); + if (iife) { + return !node.type && + !node.dotDotDotToken && + node.parent.parameters.indexOf(node) >= iife.arguments.length; + } + return false; + } + function isOptionalPropertyDeclaration(node) { + return ts.isPropertyDeclaration(node) && node.questionToken; + } + function isOptionalJSDocPropertyLikeTag(node) { + if (!ts.isJSDocPropertyLikeTag(node)) { + return false; + } + var isBracketed = node.isBracketed, typeExpression = node.typeExpression; + return isBracketed || !!typeExpression && typeExpression.type.kind === 316 /* SyntaxKind.JSDocOptionalType */; + } + function createTypePredicate(kind, parameterName, parameterIndex, type) { + return { kind: kind, parameterName: parameterName, parameterIndex: parameterIndex, type: type }; + } + /** + * Gets the minimum number of type arguments needed to satisfy all non-optional type + * parameters. + */ + function getMinTypeArgumentCount(typeParameters) { + var minTypeArgumentCount = 0; + if (typeParameters) { + for (var i = 0; i < typeParameters.length; i++) { + if (!hasTypeParameterDefault(typeParameters[i])) { + minTypeArgumentCount = i + 1; + } + } + } + return minTypeArgumentCount; + } + function fillMissingTypeArguments(typeArguments, typeParameters, minTypeArgumentCount, isJavaScriptImplicitAny) { + var numTypeParameters = ts.length(typeParameters); + if (!numTypeParameters) { + return []; + } + var numTypeArguments = ts.length(typeArguments); + if (isJavaScriptImplicitAny || (numTypeArguments >= minTypeArgumentCount && numTypeArguments <= numTypeParameters)) { + var result = typeArguments ? typeArguments.slice() : []; + // Map invalid forward references in default types to the error type + for (var i = numTypeArguments; i < numTypeParameters; i++) { + result[i] = errorType; + } + var baseDefaultType = getDefaultTypeArgumentType(isJavaScriptImplicitAny); + for (var i = numTypeArguments; i < numTypeParameters; i++) { + var defaultType = getDefaultFromTypeParameter(typeParameters[i]); + if (isJavaScriptImplicitAny && defaultType && (isTypeIdenticalTo(defaultType, unknownType) || isTypeIdenticalTo(defaultType, emptyObjectType))) { + defaultType = anyType; + } + result[i] = defaultType ? instantiateType(defaultType, createTypeMapper(typeParameters, result)) : baseDefaultType; + } + result.length = typeParameters.length; + return result; + } + return typeArguments && typeArguments.slice(); + } + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var parameters = []; + var flags = 0 /* SignatureFlags.None */; + var minArgumentCount = 0; + var thisParameter = void 0; + var hasThisParameter = false; + var iife = ts.getImmediatelyInvokedFunctionExpression(declaration); + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + var isUntypedSignatureInJSFile = !iife && + ts.isInJSFile(declaration) && + ts.isValueSignatureDeclaration(declaration) && + !ts.hasJSDocParameterTags(declaration) && + !ts.getJSDocType(declaration); + if (isUntypedSignatureInJSFile) { + flags |= 32 /* SignatureFlags.IsUntypedSignatureInJSFile */; + } + // If this is a JSDoc construct signature, then skip the first parameter in the + // parameter list. The first parameter represents the return type of the construct + // signature. + for (var i = isJSConstructSignature ? 1 : 0; i < declaration.parameters.length; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + var type = ts.isJSDocParameterTag(param) ? (param.typeExpression && param.typeExpression.type) : param.type; + // Include parameter symbol instead of property symbol in the signature + if (paramSymbol && !!(paramSymbol.flags & 4 /* SymbolFlags.Property */) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.escapedName, 111551 /* SymbolFlags.Value */, undefined, undefined, /*isUse*/ false); + paramSymbol = resolvedSymbol; + } + if (i === 0 && paramSymbol.escapedName === "this" /* InternalSymbolName.This */) { + hasThisParameter = true; + thisParameter = param.symbol; + } + else { + parameters.push(paramSymbol); + } + if (type && type.kind === 196 /* SyntaxKind.LiteralType */) { + flags |= 2 /* SignatureFlags.HasLiteralTypes */; + } + // Record a new minimum argument count if this is not an optional parameter + var isOptionalParameter_1 = isOptionalJSDocPropertyLikeTag(param) || + param.initializer || param.questionToken || ts.isRestParameter(param) || + iife && parameters.length > iife.arguments.length && !type || + isJSDocOptionalParameter(param); + if (!isOptionalParameter_1) { + minArgumentCount = parameters.length; + } + } + // If only one accessor includes a this-type annotation, the other behaves as if it had the same type annotation + if ((declaration.kind === 172 /* SyntaxKind.GetAccessor */ || declaration.kind === 173 /* SyntaxKind.SetAccessor */) && + hasBindableName(declaration) && + (!hasThisParameter || !thisParameter)) { + var otherKind = declaration.kind === 172 /* SyntaxKind.GetAccessor */ ? 173 /* SyntaxKind.SetAccessor */ : 172 /* SyntaxKind.GetAccessor */; + var other = ts.getDeclarationOfKind(getSymbolOfNode(declaration), otherKind); + if (other) { + thisParameter = getAnnotatedAccessorThisParameter(other); + } + } + var classType = declaration.kind === 171 /* SyntaxKind.Constructor */ ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : getTypeParametersFromDeclaration(declaration); + if (ts.hasRestParameter(declaration) || ts.isInJSFile(declaration) && maybeAddJsSyntheticRestParameter(declaration, parameters)) { + flags |= 1 /* SignatureFlags.HasRestParameter */; + } + if (ts.isConstructorTypeNode(declaration) && ts.hasSyntacticModifier(declaration, 128 /* ModifierFlags.Abstract */) || + ts.isConstructorDeclaration(declaration) && ts.hasSyntacticModifier(declaration.parent, 128 /* ModifierFlags.Abstract */)) { + flags |= 4 /* SignatureFlags.Abstract */; + } + links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters, + /*resolvedReturnType*/ undefined, /*resolvedTypePredicate*/ undefined, minArgumentCount, flags); + } + return links.resolvedSignature; + } + /** + * A JS function gets a synthetic rest parameter if it references `arguments` AND: + * 1. It has no parameters but at least one `@param` with a type that starts with `...` + * OR + * 2. It has at least one parameter, and the last parameter has a matching `@param` with a type that starts with `...` + */ + function maybeAddJsSyntheticRestParameter(declaration, parameters) { + if (ts.isJSDocSignature(declaration) || !containsArgumentsReference(declaration)) { + return false; + } + var lastParam = ts.lastOrUndefined(declaration.parameters); + var lastParamTags = lastParam ? ts.getJSDocParameterTags(lastParam) : ts.getJSDocTags(declaration).filter(ts.isJSDocParameterTag); + var lastParamVariadicType = ts.firstDefined(lastParamTags, function (p) { + return p.typeExpression && ts.isJSDocVariadicType(p.typeExpression.type) ? p.typeExpression.type : undefined; + }); + var syntheticArgsSymbol = createSymbol(3 /* SymbolFlags.Variable */, "args", 32768 /* CheckFlags.RestParameter */); + if (lastParamVariadicType) { + // Parameter has effective annotation, lock in type + syntheticArgsSymbol.type = createArrayType(getTypeFromTypeNode(lastParamVariadicType.type)); + } + else { + // Parameter has no annotation + // By using a `DeferredType` symbol, we allow the type of this rest arg to be overriden by contextual type assignment so long as its type hasn't been + // cached by `getTypeOfSymbol` yet. + syntheticArgsSymbol.checkFlags |= 65536 /* CheckFlags.DeferredType */; + syntheticArgsSymbol.deferralParent = neverType; + syntheticArgsSymbol.deferralConstituents = [anyArrayType]; + syntheticArgsSymbol.deferralWriteConstituents = [anyArrayType]; + } + if (lastParamVariadicType) { + // Replace the last parameter with a rest parameter. + parameters.pop(); + } + parameters.push(syntheticArgsSymbol); + return true; + } + function getSignatureOfTypeTag(node) { + // should be attached to a function declaration or expression + if (!(ts.isInJSFile(node) && ts.isFunctionLikeDeclaration(node))) + return undefined; + var typeTag = ts.getJSDocTypeTag(node); + return (typeTag === null || typeTag === void 0 ? void 0 : typeTag.typeExpression) && getSingleCallSignature(getTypeFromTypeNode(typeTag.typeExpression)); + } + function getParameterTypeOfTypeTag(func, parameter) { + var signature = getSignatureOfTypeTag(func); + if (!signature) + return undefined; + var pos = func.parameters.indexOf(parameter); + return parameter.dotDotDotToken ? getRestTypeAtPosition(signature, pos) : getTypeAtPosition(signature, pos); + } + function getReturnTypeOfTypeTag(node) { + var signature = getSignatureOfTypeTag(node); + return signature && getReturnTypeOfSignature(signature); + } + function containsArgumentsReference(declaration) { + var links = getNodeLinks(declaration); + if (links.containsArgumentsReference === undefined) { + if (links.flags & 8192 /* NodeCheckFlags.CaptureArguments */) { + links.containsArgumentsReference = true; + } + else { + links.containsArgumentsReference = traverse(declaration.body); + } + } + return links.containsArgumentsReference; + function traverse(node) { + if (!node) + return false; + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return node.escapedText === argumentsSymbol.escapedName && getReferencedValueSymbol(node) === argumentsSymbol; + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */ + && traverse(node.name); + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + return traverse(node.expression); + case 296 /* SyntaxKind.PropertyAssignment */: + return traverse(node.initializer); + default: + return !ts.nodeStartsNewLexicalEnvironment(node) && !ts.isPartOfTypeNode(node) && !!ts.forEachChild(node, traverse); + } + } + } + function getSignaturesOfSymbol(symbol) { + if (!symbol || !symbol.declarations) + return ts.emptyArray; + var result = []; + for (var i = 0; i < symbol.declarations.length; i++) { + var decl = symbol.declarations[i]; + if (!ts.isFunctionLike(decl)) + continue; + // Don't include signature if node is the implementation of an overloaded function. A node is considered + // an implementation node if it has a body and the previous node is of the same kind and immediately + // precedes the implementation node (i.e. has the same parent and ends where the implementation starts). + if (i > 0 && decl.body) { + var previous = symbol.declarations[i - 1]; + if (decl.parent === previous.parent && decl.kind === previous.kind && decl.pos === previous.end) { + continue; + } + } + result.push(getSignatureFromDeclaration(decl)); + } + return result; + } + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); + } + } + return anyType; + } + function getThisTypeOfSignature(signature) { + if (signature.thisParameter) { + return getTypeOfSymbol(signature.thisParameter); + } + } + function getTypePredicateOfSignature(signature) { + if (!signature.resolvedTypePredicate) { + if (signature.target) { + var targetTypePredicate = getTypePredicateOfSignature(signature.target); + signature.resolvedTypePredicate = targetTypePredicate ? instantiateTypePredicate(targetTypePredicate, signature.mapper) : noTypePredicate; + } + else if (signature.compositeSignatures) { + signature.resolvedTypePredicate = getUnionOrIntersectionTypePredicate(signature.compositeSignatures, signature.compositeKind) || noTypePredicate; + } + else { + var type = signature.declaration && ts.getEffectiveReturnTypeNode(signature.declaration); + var jsdocPredicate = void 0; + if (!type && ts.isInJSFile(signature.declaration)) { + var jsdocSignature = getSignatureOfTypeTag(signature.declaration); + if (jsdocSignature && signature !== jsdocSignature) { + jsdocPredicate = getTypePredicateOfSignature(jsdocSignature); + } + } + signature.resolvedTypePredicate = type && ts.isTypePredicateNode(type) ? + createTypePredicateFromTypePredicateNode(type, signature) : + jsdocPredicate || noTypePredicate; + } + ts.Debug.assert(!!signature.resolvedTypePredicate); + } + return signature.resolvedTypePredicate === noTypePredicate ? undefined : signature.resolvedTypePredicate; + } + function createTypePredicateFromTypePredicateNode(node, signature) { + var parameterName = node.parameterName; + var type = node.type && getTypeFromTypeNode(node.type); + return parameterName.kind === 192 /* SyntaxKind.ThisType */ ? + createTypePredicate(node.assertsModifier ? 2 /* TypePredicateKind.AssertsThis */ : 0 /* TypePredicateKind.This */, /*parameterName*/ undefined, /*parameterIndex*/ undefined, type) : + createTypePredicate(node.assertsModifier ? 3 /* TypePredicateKind.AssertsIdentifier */ : 1 /* TypePredicateKind.Identifier */, parameterName.escapedText, ts.findIndex(signature.parameters, function (p) { return p.escapedName === parameterName.escapedText; }), type); + } + function getUnionOrIntersectionType(types, kind, unionReduction) { + return kind !== 2097152 /* TypeFlags.Intersection */ ? getUnionType(types, unionReduction) : getIntersectionType(types); + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3 /* TypeSystemPropertyName.ResolvedReturnType */)) { + return errorType; + } + var type = signature.target ? instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper) : + signature.compositeSignatures ? instantiateType(getUnionOrIntersectionType(ts.map(signature.compositeSignatures, getReturnTypeOfSignature), signature.compositeKind, 2 /* UnionReduction.Subtype */), signature.mapper) : + getReturnTypeFromAnnotation(signature.declaration) || + (ts.nodeIsMissing(signature.declaration.body) ? anyType : getReturnTypeFromBody(signature.declaration)); + if (signature.flags & 8 /* SignatureFlags.IsInnerCallChain */) { + type = addOptionalTypeMarker(type); + } + else if (signature.flags & 16 /* SignatureFlags.IsOuterCallChain */) { + type = getOptionalType(type); + } + if (!popTypeResolution()) { + if (signature.declaration) { + var typeNode = ts.getEffectiveReturnTypeNode(signature.declaration); + if (typeNode) { + error(typeNode, ts.Diagnostics.Return_type_annotation_circularly_references_itself); + } + else if (noImplicitAny) { + var declaration = signature.declaration; + var name = ts.getNameOfDeclaration(declaration); + if (name) { + error(name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } + } + type = anyType; + } + signature.resolvedReturnType = type; + } + return signature.resolvedReturnType; + } + function getReturnTypeFromAnnotation(declaration) { + if (declaration.kind === 171 /* SyntaxKind.Constructor */) { + return getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)); + } + if (ts.isJSDocConstructSignature(declaration)) { + return getTypeFromTypeNode(declaration.parameters[0].type); // TODO: GH#18217 + } + var typeNode = ts.getEffectiveReturnTypeNode(declaration); + if (typeNode) { + return getTypeFromTypeNode(typeNode); + } + if (declaration.kind === 172 /* SyntaxKind.GetAccessor */ && hasBindableName(declaration)) { + var jsDocType = ts.isInJSFile(declaration) && getTypeForDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return jsDocType; + } + var setter = ts.getDeclarationOfKind(getSymbolOfNode(declaration), 173 /* SyntaxKind.SetAccessor */); + var setterType = getAnnotatedAccessorType(setter); + if (setterType) { + return setterType; + } + } + return getReturnTypeOfTypeTag(declaration); + } + function isResolvingReturnTypeOfSignature(signature) { + return !signature.resolvedReturnType && findResolutionCycleStartIndex(signature, 3 /* TypeSystemPropertyName.ResolvedReturnType */) >= 0; + } + function getRestTypeOfSignature(signature) { + return tryGetRestTypeOfSignature(signature) || anyType; + } + function tryGetRestTypeOfSignature(signature) { + if (signatureHasRestParameter(signature)) { + var sigRestType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]); + var restType = isTupleType(sigRestType) ? getRestTypeOfTupleType(sigRestType) : sigRestType; + return restType && getIndexTypeOfType(restType, numberType); + } + return undefined; + } + function getSignatureInstantiation(signature, typeArguments, isJavascript, inferredTypeParameters) { + var instantiatedSignature = getSignatureInstantiationWithoutFillingInTypeArguments(signature, fillMissingTypeArguments(typeArguments, signature.typeParameters, getMinTypeArgumentCount(signature.typeParameters), isJavascript)); + if (inferredTypeParameters) { + var returnSignature = getSingleCallOrConstructSignature(getReturnTypeOfSignature(instantiatedSignature)); + if (returnSignature) { + var newReturnSignature = cloneSignature(returnSignature); + newReturnSignature.typeParameters = inferredTypeParameters; + var newInstantiatedSignature = cloneSignature(instantiatedSignature); + newInstantiatedSignature.resolvedReturnType = getOrCreateTypeFromSignature(newReturnSignature); + return newInstantiatedSignature; + } + } + return instantiatedSignature; + } + function getSignatureInstantiationWithoutFillingInTypeArguments(signature, typeArguments) { + var instantiations = signature.instantiations || (signature.instantiations = new ts.Map()); + var id = getTypeListId(typeArguments); + var instantiation = instantiations.get(id); + if (!instantiation) { + instantiations.set(id, instantiation = createSignatureInstantiation(signature, typeArguments)); + } + return instantiation; + } + function createSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createSignatureTypeMapper(signature, typeArguments), /*eraseTypeParameters*/ true); + } + function createSignatureTypeMapper(signature, typeArguments) { + return createTypeMapper(signature.typeParameters, typeArguments); + } + function getErasedSignature(signature) { + return signature.typeParameters ? + signature.erasedSignatureCache || (signature.erasedSignatureCache = createErasedSignature(signature)) : + signature; + } + function createErasedSignature(signature) { + // Create an instantiation of the signature where all type arguments are the any type. + return instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true); + } + function getCanonicalSignature(signature) { + return signature.typeParameters ? + signature.canonicalSignatureCache || (signature.canonicalSignatureCache = createCanonicalSignature(signature)) : + signature; + } + function createCanonicalSignature(signature) { + // Create an instantiation of the signature where each unconstrained type parameter is replaced with + // its original. When a generic class or interface is instantiated, each generic method in the class or + // interface is instantiated with a fresh set of cloned type parameters (which we need to handle scenarios + // where different generations of the same type parameter are in scope). This leads to a lot of new type + // identities, and potentially a lot of work comparing those identities, so here we create an instantiation + // that uses the original type identities for all unconstrained type parameters. + return getSignatureInstantiation(signature, ts.map(signature.typeParameters, function (tp) { return tp.target && !getConstraintOfTypeParameter(tp.target) ? tp.target : tp; }), ts.isInJSFile(signature.declaration)); + } + function getBaseSignature(signature) { + var typeParameters = signature.typeParameters; + if (typeParameters) { + if (signature.baseSignatureCache) { + return signature.baseSignatureCache; + } + var typeEraser = createTypeEraser(typeParameters); + var baseConstraintMapper_1 = createTypeMapper(typeParameters, ts.map(typeParameters, function (tp) { return getConstraintOfTypeParameter(tp) || unknownType; })); + var baseConstraints = ts.map(typeParameters, function (tp) { return instantiateType(tp, baseConstraintMapper_1) || unknownType; }); + // Run N type params thru the immediate constraint mapper up to N times + // This way any noncircular interdependent type parameters are definitely resolved to their external dependencies + for (var i = 0; i < typeParameters.length - 1; i++) { + baseConstraints = instantiateTypes(baseConstraints, baseConstraintMapper_1); + } + // and then apply a type eraser to remove any remaining circularly dependent type parameters + baseConstraints = instantiateTypes(baseConstraints, typeEraser); + return signature.baseSignatureCache = instantiateSignature(signature, createTypeMapper(typeParameters, baseConstraints), /*eraseTypeParameters*/ true); + } + return signature; + } + function getOrCreateTypeFromSignature(signature) { + var _a; + // There are two ways to declare a construct signature, one is by declaring a class constructor + // using the constructor keyword, and the other is declaring a bare construct signature in an + // object type literal or interface (using the new keyword). Each way of declaring a constructor + // will result in a different declaration kind. + if (!signature.isolatedSignatureType) { + var kind = (_a = signature.declaration) === null || _a === void 0 ? void 0 : _a.kind; + // If declaration is undefined, it is likely to be the signature of the default constructor. + var isConstructor = kind === undefined || kind === 171 /* SyntaxKind.Constructor */ || kind === 175 /* SyntaxKind.ConstructSignature */ || kind === 180 /* SyntaxKind.ConstructorType */; + var type = createObjectType(16 /* ObjectFlags.Anonymous */); + type.members = emptySymbols; + type.properties = ts.emptyArray; + type.callSignatures = !isConstructor ? [signature] : ts.emptyArray; + type.constructSignatures = isConstructor ? [signature] : ts.emptyArray; + type.indexInfos = ts.emptyArray; + signature.isolatedSignatureType = type; + } + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members ? getIndexSymbolFromSymbolTable(symbol.members) : undefined; + } + function getIndexSymbolFromSymbolTable(symbolTable) { + return symbolTable.get("__index" /* InternalSymbolName.Index */); + } + function createIndexInfo(keyType, type, isReadonly, declaration) { + return { keyType: keyType, type: type, isReadonly: isReadonly, declaration: declaration }; + } + function getIndexInfosOfSymbol(symbol) { + var indexSymbol = getIndexSymbol(symbol); + return indexSymbol ? getIndexInfosOfIndexSymbol(indexSymbol) : ts.emptyArray; + } + function getIndexInfosOfIndexSymbol(indexSymbol) { + if (indexSymbol.declarations) { + var indexInfos_4 = []; + var _loop_14 = function (declaration) { + if (declaration.parameters.length === 1) { + var parameter = declaration.parameters[0]; + if (parameter.type) { + forEachType(getTypeFromTypeNode(parameter.type), function (keyType) { + if (isValidIndexKeyType(keyType) && !findIndexInfo(indexInfos_4, keyType)) { + indexInfos_4.push(createIndexInfo(keyType, declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, ts.hasEffectiveModifier(declaration, 64 /* ModifierFlags.Readonly */), declaration)); + } + }); + } + } + }; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + _loop_14(declaration); + } + return indexInfos_4; + } + return ts.emptyArray; + } + function isValidIndexKeyType(type) { + return !!(type.flags & (4 /* TypeFlags.String */ | 8 /* TypeFlags.Number */ | 4096 /* TypeFlags.ESSymbol */)) || isPatternLiteralType(type) || + !!(type.flags & 2097152 /* TypeFlags.Intersection */) && !isGenericType(type) && ts.some(type.types, isValidIndexKeyType); + } + function getConstraintDeclaration(type) { + return ts.mapDefined(ts.filter(type.symbol && type.symbol.declarations, ts.isTypeParameterDeclaration), ts.getEffectiveConstraintOfTypeParameter)[0]; + } + function getInferredTypeParameterConstraint(typeParameter, omitTypeReferences) { + var _a; + var inferences; + if ((_a = typeParameter.symbol) === null || _a === void 0 ? void 0 : _a.declarations) { + for (var _i = 0, _b = typeParameter.symbol.declarations; _i < _b.length; _i++) { + var declaration = _b[_i]; + if (declaration.parent.kind === 190 /* SyntaxKind.InferType */) { + // When an 'infer T' declaration is immediately contained in a type reference node + // (such as 'Foo'), T's constraint is inferred from the constraint of the + // corresponding type parameter in 'Foo'. When multiple 'infer T' declarations are + // present, we form an intersection of the inferred constraint types. + var _c = ts.walkUpParenthesizedTypesAndGetParentAndChild(declaration.parent.parent), _d = _c[0], childTypeParameter = _d === void 0 ? declaration.parent : _d, grandParent = _c[1]; + if (grandParent.kind === 178 /* SyntaxKind.TypeReference */ && !omitTypeReferences) { + var typeReference = grandParent; + var typeParameters = getTypeParametersForTypeReference(typeReference); + if (typeParameters) { + var index = typeReference.typeArguments.indexOf(childTypeParameter); + if (index < typeParameters.length) { + var declaredConstraint = getConstraintOfTypeParameter(typeParameters[index]); + if (declaredConstraint) { + // Type parameter constraints can reference other type parameters so + // constraints need to be instantiated. If instantiation produces the + // type parameter itself, we discard that inference. For example, in + // type Foo = [T, U]; + // type Bar = T extends Foo ? Foo : T; + // the instantiated constraint for U is X, so we discard that inference. + var mapper = createTypeMapper(typeParameters, getEffectiveTypeArguments(typeReference, typeParameters)); + var constraint = instantiateType(declaredConstraint, mapper); + if (constraint !== typeParameter) { + inferences = ts.append(inferences, constraint); + } + } + } + } + } + // When an 'infer T' declaration is immediately contained in a rest parameter declaration, a rest type + // or a named rest tuple element, we infer an 'unknown[]' constraint. + else if (grandParent.kind === 164 /* SyntaxKind.Parameter */ && grandParent.dotDotDotToken || + grandParent.kind === 186 /* SyntaxKind.RestType */ || + grandParent.kind === 197 /* SyntaxKind.NamedTupleMember */ && grandParent.dotDotDotToken) { + inferences = ts.append(inferences, createArrayType(unknownType)); + } + // When an 'infer T' declaration is immediately contained in a string template type, we infer a 'string' + // constraint. + else if (grandParent.kind === 199 /* SyntaxKind.TemplateLiteralTypeSpan */) { + inferences = ts.append(inferences, stringType); + } + // When an 'infer T' declaration is in the constraint position of a mapped type, we infer a 'keyof any' + // constraint. + else if (grandParent.kind === 163 /* SyntaxKind.TypeParameter */ && grandParent.parent.kind === 195 /* SyntaxKind.MappedType */) { + inferences = ts.append(inferences, keyofConstraintType); + } + // When an 'infer T' declaration is the template of a mapped type, and that mapped type is the extends + // clause of a conditional whose check type is also a mapped type, give it a constraint equal to the template + // of the check type's mapped type + else if (grandParent.kind === 195 /* SyntaxKind.MappedType */ && grandParent.type && + ts.skipParentheses(grandParent.type) === declaration.parent && grandParent.parent.kind === 189 /* SyntaxKind.ConditionalType */ && + grandParent.parent.extendsType === grandParent && grandParent.parent.checkType.kind === 195 /* SyntaxKind.MappedType */ && + grandParent.parent.checkType.type) { + var checkMappedType_1 = grandParent.parent.checkType; + var nodeType = getTypeFromTypeNode(checkMappedType_1.type); + inferences = ts.append(inferences, instantiateType(nodeType, makeUnaryTypeMapper(getDeclaredTypeOfTypeParameter(getSymbolOfNode(checkMappedType_1.typeParameter)), checkMappedType_1.typeParameter.constraint ? getTypeFromTypeNode(checkMappedType_1.typeParameter.constraint) : keyofConstraintType))); + } + } + } + } + return inferences && getIntersectionType(inferences); + } + /** This is a worker function. Use getConstraintOfTypeParameter which guards against circular constraints. */ + function getConstraintFromTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + if (!constraintDeclaration) { + typeParameter.constraint = getInferredTypeParameterConstraint(typeParameter) || noConstraintType; + } + else { + var type = getTypeFromTypeNode(constraintDeclaration); + if (type.flags & 1 /* TypeFlags.Any */ && !isErrorType(type)) { // Allow errorType to propegate to keep downstream errors suppressed + // use keyofConstraintType as the base constraint for mapped type key constraints (unknown isn;t assignable to that, but `any` was), + // use unknown otherwise + type = constraintDeclaration.parent.parent.kind === 195 /* SyntaxKind.MappedType */ ? keyofConstraintType : unknownType; + } + typeParameter.constraint = type; + } + } + } + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + } + function getParentSymbolOfTypeParameter(typeParameter) { + var tp = ts.getDeclarationOfKind(typeParameter.symbol, 163 /* SyntaxKind.TypeParameter */); + var host = ts.isJSDocTemplateTag(tp.parent) ? ts.getEffectiveContainerForJSDocTemplateTag(tp.parent) : tp.parent; + return host && getSymbolOfNode(host); + } + function getTypeListId(types) { + var result = ""; + if (types) { + var length_4 = types.length; + var i = 0; + while (i < length_4) { + var startId = types[i].id; + var count = 1; + while (i + count < length_4 && types[i + count].id === startId + count) { + count++; + } + if (result.length) { + result += ","; + } + result += startId; + if (count > 1) { + result += ":" + count; + } + i += count; + } + } + return result; + } + function getAliasId(aliasSymbol, aliasTypeArguments) { + return aliasSymbol ? "@".concat(getSymbolId(aliasSymbol)) + (aliasTypeArguments ? ":".concat(getTypeListId(aliasTypeArguments)) : "") : ""; + } + // This function is used to propagate certain flags when creating new object type references and union types. + // It is only necessary to do so if a constituent type might be the undefined type, the null type, the type + // of an object literal or the anyFunctionType. This is because there are operations in the type checker + // that care about the presence of such types at arbitrary depth in a containing type. + function getPropagatingFlagsOfTypes(types, excludeKinds) { + var result = 0; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var type = types_8[_i]; + if (!(type.flags & excludeKinds)) { + result |= ts.getObjectFlags(type); + } + } + return result & 458752 /* ObjectFlags.PropagatingFlags */; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations.get(id); + if (!type) { + type = createObjectType(4 /* ObjectFlags.Reference */, target.symbol); + target.instantiations.set(id, type); + type.objectFlags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, /*excludeKinds*/ 0) : 0; + type.target = target; + type.resolvedTypeArguments = typeArguments; + } + return type; + } + function cloneTypeReference(source) { + var type = createType(source.flags); + type.symbol = source.symbol; + type.objectFlags = source.objectFlags; + type.target = source.target; + type.resolvedTypeArguments = source.resolvedTypeArguments; + return type; + } + function createDeferredTypeReference(target, node, mapper, aliasSymbol, aliasTypeArguments) { + if (!aliasSymbol) { + aliasSymbol = getAliasSymbolForTypeNode(node); + var localAliasTypeArguments = getTypeArgumentsForAliasSymbol(aliasSymbol); + aliasTypeArguments = mapper ? instantiateTypes(localAliasTypeArguments, mapper) : localAliasTypeArguments; + } + var type = createObjectType(4 /* ObjectFlags.Reference */, target.symbol); + type.target = target; + type.node = node; + type.mapper = mapper; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + return type; + } + function getTypeArguments(type) { + var _a, _b; + if (!type.resolvedTypeArguments) { + if (!pushTypeResolution(type, 6 /* TypeSystemPropertyName.ResolvedTypeArguments */)) { + return ((_a = type.target.localTypeParameters) === null || _a === void 0 ? void 0 : _a.map(function () { return errorType; })) || ts.emptyArray; + } + var node = type.node; + var typeArguments = !node ? ts.emptyArray : + node.kind === 178 /* SyntaxKind.TypeReference */ ? ts.concatenate(type.target.outerTypeParameters, getEffectiveTypeArguments(node, type.target.localTypeParameters)) : + node.kind === 183 /* SyntaxKind.ArrayType */ ? [getTypeFromTypeNode(node.elementType)] : + ts.map(node.elements, getTypeFromTypeNode); + if (popTypeResolution()) { + type.resolvedTypeArguments = type.mapper ? instantiateTypes(typeArguments, type.mapper) : typeArguments; + } + else { + type.resolvedTypeArguments = ((_b = type.target.localTypeParameters) === null || _b === void 0 ? void 0 : _b.map(function () { return errorType; })) || ts.emptyArray; + error(type.node || currentNode, type.target.symbol ? ts.Diagnostics.Type_arguments_for_0_circularly_reference_themselves : ts.Diagnostics.Tuple_type_arguments_circularly_reference_themselves, type.target.symbol && symbolToString(type.target.symbol)); + } + } + return type.resolvedTypeArguments; + } + function getTypeReferenceArity(type) { + return ts.length(type.target.typeParameters); + } + /** + * Get type from type-reference that reference to class or interface + */ + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol)); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + var numTypeArguments = ts.length(node.typeArguments); + var minTypeArgumentCount = getMinTypeArgumentCount(typeParameters); + var isJs = ts.isInJSFile(node); + var isJsImplicitAny = !noImplicitAny && isJs; + if (!isJsImplicitAny && (numTypeArguments < minTypeArgumentCount || numTypeArguments > typeParameters.length)) { + var missingAugmentsTag = isJs && ts.isExpressionWithTypeArguments(node) && !ts.isJSDocAugmentsTag(node.parent); + var diag = minTypeArgumentCount === typeParameters.length ? + missingAugmentsTag ? + ts.Diagnostics.Expected_0_type_arguments_provide_these_with_an_extends_tag : + ts.Diagnostics.Generic_type_0_requires_1_type_argument_s : + missingAugmentsTag ? + ts.Diagnostics.Expected_0_1_type_arguments_provide_these_with_an_extends_tag : + ts.Diagnostics.Generic_type_0_requires_between_1_and_2_type_arguments; + var typeStr = typeToString(type, /*enclosingDeclaration*/ undefined, 2 /* TypeFormatFlags.WriteArrayAsGenericType */); + error(node, diag, typeStr, minTypeArgumentCount, typeParameters.length); + if (!isJs) { + // TODO: Adopt same permissive behavior in TS as in JS to reduce follow-on editing experience failures (requires editing fillMissingTypeArguments) + return errorType; + } + } + if (node.kind === 178 /* SyntaxKind.TypeReference */ && isDeferredTypeReferenceNode(node, ts.length(node.typeArguments) !== typeParameters.length)) { + return createDeferredTypeReference(type, node, /*mapper*/ undefined); + } + // In a type reference, the outer type parameters of the referenced class or interface are automatically + // supplied as type arguments and the type reference only specifies arguments for the local type parameters + // of the class or interface. + var typeArguments = ts.concatenate(type.outerTypeParameters, fillMissingTypeArguments(typeArgumentsFromTypeReferenceNode(node), typeParameters, minTypeArgumentCount, isJs)); + return createTypeReference(type, typeArguments); + } + return checkNoTypeArguments(node, symbol) ? type : errorType; + } + function getTypeAliasInstantiation(symbol, typeArguments, aliasSymbol, aliasTypeArguments) { + var type = getDeclaredTypeOfSymbol(symbol); + if (type === intrinsicMarkerType && intrinsicTypeKinds.has(symbol.escapedName) && typeArguments && typeArguments.length === 1) { + return getStringMappingType(symbol, typeArguments[0]); + } + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + var id = getTypeListId(typeArguments) + getAliasId(aliasSymbol, aliasTypeArguments); + var instantiation = links.instantiations.get(id); + if (!instantiation) { + links.instantiations.set(id, instantiation = instantiateTypeWithAlias(type, createTypeMapper(typeParameters, fillMissingTypeArguments(typeArguments, typeParameters, getMinTypeArgumentCount(typeParameters), ts.isInJSFile(symbol.valueDeclaration))), aliasSymbol, aliasTypeArguments)); + } + return instantiation; + } + /** + * Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include + * references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the + * declared type. Instantiations are cached using the type identities of the type arguments as the key. + */ + function getTypeFromTypeAliasReference(node, symbol) { + if (ts.getCheckFlags(symbol) & 1048576 /* CheckFlags.Unresolved */) { + var typeArguments = typeArgumentsFromTypeReferenceNode(node); + var id = getAliasId(symbol, typeArguments); + var errorType_1 = errorTypes.get(id); + if (!errorType_1) { + errorType_1 = createIntrinsicType(1 /* TypeFlags.Any */, "error"); + errorType_1.aliasSymbol = symbol; + errorType_1.aliasTypeArguments = typeArguments; + errorTypes.set(id, errorType_1); + } + return errorType_1; + } + var type = getDeclaredTypeOfSymbol(symbol); + var typeParameters = getSymbolLinks(symbol).typeParameters; + if (typeParameters) { + var numTypeArguments = ts.length(node.typeArguments); + var minTypeArgumentCount = getMinTypeArgumentCount(typeParameters); + if (numTypeArguments < minTypeArgumentCount || numTypeArguments > typeParameters.length) { + error(node, minTypeArgumentCount === typeParameters.length ? + ts.Diagnostics.Generic_type_0_requires_1_type_argument_s : + ts.Diagnostics.Generic_type_0_requires_between_1_and_2_type_arguments, symbolToString(symbol), minTypeArgumentCount, typeParameters.length); + return errorType; + } + // We refrain from associating a local type alias with an instantiation of a top-level type alias + // because the local alias may end up being referenced in an inferred return type where it is not + // accessible--which in turn may lead to a large structural expansion of the type when generating + // a .d.ts file. See #43622 for an example. + var aliasSymbol = getAliasSymbolForTypeNode(node); + var newAliasSymbol = aliasSymbol && (isLocalTypeAlias(symbol) || !isLocalTypeAlias(aliasSymbol)) ? aliasSymbol : undefined; + return getTypeAliasInstantiation(symbol, typeArgumentsFromTypeReferenceNode(node), newAliasSymbol, getTypeArgumentsForAliasSymbol(newAliasSymbol)); + } + return checkNoTypeArguments(node, symbol) ? type : errorType; + } + function isLocalTypeAlias(symbol) { + var _a; + var declaration = (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isTypeAlias); + return !!(declaration && ts.getContainingFunction(declaration)); + } + function getTypeReferenceName(node) { + switch (node.kind) { + case 178 /* SyntaxKind.TypeReference */: + return node.typeName; + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + // We only support expressions that are simple qualified names. For other + // expressions this produces undefined. + var expr = node.expression; + if (ts.isEntityNameExpression(expr)) { + return expr; + } + // fall through; + } + return undefined; + } + function getSymbolPath(symbol) { + return symbol.parent ? "".concat(getSymbolPath(symbol.parent), ".").concat(symbol.escapedName) : symbol.escapedName; + } + function getUnresolvedSymbolForEntityName(name) { + var identifier = name.kind === 161 /* SyntaxKind.QualifiedName */ ? name.right : + name.kind === 206 /* SyntaxKind.PropertyAccessExpression */ ? name.name : + name; + var text = identifier.escapedText; + if (text) { + var parentSymbol = name.kind === 161 /* SyntaxKind.QualifiedName */ ? getUnresolvedSymbolForEntityName(name.left) : + name.kind === 206 /* SyntaxKind.PropertyAccessExpression */ ? getUnresolvedSymbolForEntityName(name.expression) : + undefined; + var path = parentSymbol ? "".concat(getSymbolPath(parentSymbol), ".").concat(text) : text; + var result = unresolvedSymbols.get(path); + if (!result) { + unresolvedSymbols.set(path, result = createSymbol(524288 /* SymbolFlags.TypeAlias */, text, 1048576 /* CheckFlags.Unresolved */)); + result.parent = parentSymbol; + result.declaredType = unresolvedType; + } + return result; + } + return unknownSymbol; + } + function resolveTypeReferenceName(typeReference, meaning, ignoreErrors) { + var name = getTypeReferenceName(typeReference); + if (!name) { + return unknownSymbol; + } + var symbol = resolveEntityName(name, meaning, ignoreErrors); + return symbol && symbol !== unknownSymbol ? symbol : + ignoreErrors ? unknownSymbol : getUnresolvedSymbolForEntityName(name); + } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return errorType; + } + symbol = getExpandoSymbol(symbol) || symbol; + if (symbol.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */)) { + return getTypeFromClassOrInterfaceReference(node, symbol); + } + if (symbol.flags & 524288 /* SymbolFlags.TypeAlias */) { + return getTypeFromTypeAliasReference(node, symbol); + } + // Get type from reference to named type that cannot be generic (enum or type parameter) + var res = tryGetDeclaredTypeOfSymbol(symbol); + if (res) { + return checkNoTypeArguments(node, symbol) ? getRegularTypeOfLiteralType(res) : errorType; + } + if (symbol.flags & 111551 /* SymbolFlags.Value */ && isJSDocTypeReference(node)) { + var jsdocType = getTypeFromJSDocValueReference(node, symbol); + if (jsdocType) { + return jsdocType; + } + else { + // Resolve the type reference as a Type for the purpose of reporting errors. + resolveTypeReferenceName(node, 788968 /* SymbolFlags.Type */); + return getTypeOfSymbol(symbol); + } + } + return errorType; + } + /** + * A JSdoc TypeReference may be to a value, but resolve it as a type anyway. + * Example: import('./b').ConstructorFunction + */ + function getTypeFromJSDocValueReference(node, symbol) { + var links = getNodeLinks(node); + if (!links.resolvedJSDocType) { + var valueType = getTypeOfSymbol(symbol); + var typeType = valueType; + if (symbol.valueDeclaration) { + var isImportTypeWithQualifier = node.kind === 200 /* SyntaxKind.ImportType */ && node.qualifier; + // valueType might not have a symbol, eg, {import('./b').STRING_LITERAL} + if (valueType.symbol && valueType.symbol !== symbol && isImportTypeWithQualifier) { + typeType = getTypeReferenceType(node, valueType.symbol); + } + } + links.resolvedJSDocType = typeType; + } + return links.resolvedJSDocType; + } + function getSubstitutionType(baseType, substitute) { + if (substitute.flags & 3 /* TypeFlags.AnyOrUnknown */ || substitute === baseType) { + return baseType; + } + var id = "".concat(getTypeId(baseType), ">").concat(getTypeId(substitute)); + var cached = substitutionTypes.get(id); + if (cached) { + return cached; + } + var result = createType(33554432 /* TypeFlags.Substitution */); + result.baseType = baseType; + result.substitute = substitute; + substitutionTypes.set(id, result); + return result; + } + function isUnaryTupleTypeNode(node) { + return node.kind === 184 /* SyntaxKind.TupleType */ && node.elements.length === 1; + } + function getImpliedConstraint(type, checkNode, extendsNode) { + return isUnaryTupleTypeNode(checkNode) && isUnaryTupleTypeNode(extendsNode) ? getImpliedConstraint(type, checkNode.elements[0], extendsNode.elements[0]) : + getActualTypeVariable(getTypeFromTypeNode(checkNode)) === getActualTypeVariable(type) ? getTypeFromTypeNode(extendsNode) : + undefined; + } + function getConditionalFlowTypeOfType(type, node) { + var constraints; + var covariant = true; + while (node && !ts.isStatement(node) && node.kind !== 320 /* SyntaxKind.JSDoc */) { + var parent = node.parent; + // only consider variance flipped by parameter locations - `keyof` types would usually be considered variance inverting, but + // often get used in indexed accesses where they behave sortof invariantly, but our checking is lax + if (parent.kind === 164 /* SyntaxKind.Parameter */) { + covariant = !covariant; + } + // Always substitute on type parameters, regardless of variance, since even + // in contravariant positions, they may rely on substituted constraints to be valid + if ((covariant || type.flags & 8650752 /* TypeFlags.TypeVariable */) && parent.kind === 189 /* SyntaxKind.ConditionalType */ && node === parent.trueType) { + var constraint = getImpliedConstraint(type, parent.checkType, parent.extendsType); + if (constraint) { + constraints = ts.append(constraints, constraint); + } + } + // Given a homomorphic mapped type { [K in keyof T]: XXX }, where T is constrained to an array or tuple type, in the + // template type XXX, K has an added constraint of number | `${number}`. + else if (type.flags & 262144 /* TypeFlags.TypeParameter */ && parent.kind === 195 /* SyntaxKind.MappedType */ && node === parent.type) { + var mappedType = getTypeFromTypeNode(parent); + if (getTypeParameterFromMappedType(mappedType) === getActualTypeVariable(type)) { + var typeParameter = getHomomorphicTypeVariable(mappedType); + if (typeParameter) { + var constraint = getConstraintOfTypeParameter(typeParameter); + if (constraint && everyType(constraint, isArrayOrTupleType)) { + constraints = ts.append(constraints, getUnionType([numberType, numericStringType])); + } + } + } + } + node = parent; + } + return constraints ? getSubstitutionType(type, getIntersectionType(ts.append(constraints, type))) : type; + } + function isJSDocTypeReference(node) { + return !!(node.flags & 8388608 /* NodeFlags.JSDoc */) && (node.kind === 178 /* SyntaxKind.TypeReference */ || node.kind === 200 /* SyntaxKind.ImportType */); + } + function checkNoTypeArguments(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbol ? symbolToString(symbol) : node.typeName ? ts.declarationNameToString(node.typeName) : anon); + return false; + } + return true; + } + function getIntendedTypeFromJSDocTypeReference(node) { + if (ts.isIdentifier(node.typeName)) { + var typeArgs = node.typeArguments; + switch (node.typeName.escapedText) { + case "String": + checkNoTypeArguments(node); + return stringType; + case "Number": + checkNoTypeArguments(node); + return numberType; + case "Boolean": + checkNoTypeArguments(node); + return booleanType; + case "Void": + checkNoTypeArguments(node); + return voidType; + case "Undefined": + checkNoTypeArguments(node); + return undefinedType; + case "Null": + checkNoTypeArguments(node); + return nullType; + case "Function": + case "function": + checkNoTypeArguments(node); + return globalFunctionType; + case "array": + return (!typeArgs || !typeArgs.length) && !noImplicitAny ? anyArrayType : undefined; + case "promise": + return (!typeArgs || !typeArgs.length) && !noImplicitAny ? createPromiseType(anyType) : undefined; + case "Object": + if (typeArgs && typeArgs.length === 2) { + if (ts.isJSDocIndexSignature(node)) { + var indexed = getTypeFromTypeNode(typeArgs[0]); + var target = getTypeFromTypeNode(typeArgs[1]); + var indexInfo = indexed === stringType || indexed === numberType ? [createIndexInfo(indexed, target, /*isReadonly*/ false)] : ts.emptyArray; + return createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, indexInfo); + } + return anyType; + } + checkNoTypeArguments(node); + return !noImplicitAny ? anyType : undefined; + } + } + } + function getTypeFromJSDocNullableTypeNode(node) { + var type = getTypeFromTypeNode(node.type); + return strictNullChecks ? getNullableType(type, 65536 /* TypeFlags.Null */) : type; + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // handle LS queries on the `const` in `x as const` by resolving to the type of `x` + if (ts.isConstTypeReference(node) && ts.isAssertionExpression(node.parent)) { + links.resolvedSymbol = unknownSymbol; + return links.resolvedType = checkExpressionCached(node.parent.expression); + } + var symbol = void 0; + var type = void 0; + var meaning = 788968 /* SymbolFlags.Type */; + if (isJSDocTypeReference(node)) { + type = getIntendedTypeFromJSDocTypeReference(node); + if (!type) { + symbol = resolveTypeReferenceName(node, meaning, /*ignoreErrors*/ true); + if (symbol === unknownSymbol) { + symbol = resolveTypeReferenceName(node, meaning | 111551 /* SymbolFlags.Value */); + } + else { + resolveTypeReferenceName(node, meaning); // Resolve again to mark errors, if any + } + type = getTypeReferenceType(node, symbol); + } + } + if (!type) { + symbol = resolveTypeReferenceName(node, meaning); + type = getTypeReferenceType(node, symbol); + } + // Cache both the resolved symbol and the resolved type. The resolved symbol is needed when we check the + // type reference in checkTypeReferenceNode. + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + return links.resolvedType; + } + function typeArgumentsFromTypeReferenceNode(node) { + return ts.map(node.typeArguments, getTypeFromTypeNode); + } + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // TypeScript 1.0 spec (April 2014): 3.6.3 + // The expression is processed as an identifier expression (section 4.3) + // or property access expression(section 4.10), + // the widened type(section 3.9) of which becomes the result. + var type = checkExpressionWithTypeArguments(node); + links.resolvedType = getRegularTypeOfLiteralType(getWidenedType(type)); + } + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + return declaration; + } + } + } + } + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 524288 /* TypeFlags.Object */)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, ts.symbolName(symbol)); + return arity ? emptyGenericType : emptyObjectType; + } + if (ts.length(type.typeParameters) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, ts.symbolName(symbol), arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; + } + function getGlobalValueSymbol(name, reportErrors) { + return getGlobalSymbol(name, 111551 /* SymbolFlags.Value */, reportErrors ? ts.Diagnostics.Cannot_find_global_value_0 : undefined); + } + function getGlobalTypeSymbol(name, reportErrors) { + return getGlobalSymbol(name, 788968 /* SymbolFlags.Type */, reportErrors ? ts.Diagnostics.Cannot_find_global_type_0 : undefined); + } + function getGlobalTypeAliasSymbol(name, arity, reportErrors) { + var symbol = getGlobalSymbol(name, 788968 /* SymbolFlags.Type */, reportErrors ? ts.Diagnostics.Cannot_find_global_type_0 : undefined); + if (symbol) { + // Resolve the declared type of the symbol. This resolves type parameters for the type + // alias so that we can check arity. + getDeclaredTypeOfSymbol(symbol); + if (ts.length(getSymbolLinks(symbol).typeParameters) !== arity) { + var decl = symbol.declarations && ts.find(symbol.declarations, ts.isTypeAliasDeclaration); + error(decl, ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, ts.symbolName(symbol), arity); + return undefined; + } + } + return symbol; + } + function getGlobalSymbol(name, meaning, diagnostic) { + // Don't track references for global symbols anyway, so value if `isReference` is arbitrary + return resolveName(undefined, name, meaning, diagnostic, name, /*isUse*/ false, /*excludeGlobals*/ false, /*getSpellingSuggestions*/ false); + } + function getGlobalType(name, arity, reportErrors) { + var symbol = getGlobalTypeSymbol(name, reportErrors); + return symbol || reportErrors ? getTypeOfGlobalSymbol(symbol, arity) : undefined; + } + function getGlobalTypedPropertyDescriptorType() { + // We always report an error, so store a result in the event we could not resolve the symbol to prevent reporting it multiple times + return deferredGlobalTypedPropertyDescriptorType || (deferredGlobalTypedPropertyDescriptorType = getGlobalType("TypedPropertyDescriptor", /*arity*/ 1, /*reportErrors*/ true) || emptyGenericType); + } + function getGlobalTemplateStringsArrayType() { + // We always report an error, so store a result in the event we could not resolve the symbol to prevent reporting it multiple times + return deferredGlobalTemplateStringsArrayType || (deferredGlobalTemplateStringsArrayType = getGlobalType("TemplateStringsArray", /*arity*/ 0, /*reportErrors*/ true) || emptyObjectType); + } + function getGlobalImportMetaType() { + // We always report an error, so store a result in the event we could not resolve the symbol to prevent reporting it multiple times + return deferredGlobalImportMetaType || (deferredGlobalImportMetaType = getGlobalType("ImportMeta", /*arity*/ 0, /*reportErrors*/ true) || emptyObjectType); + } + function getGlobalImportMetaExpressionType() { + if (!deferredGlobalImportMetaExpressionType) { + // Create a synthetic type `ImportMetaExpression { meta: MetaProperty }` + var symbol = createSymbol(0 /* SymbolFlags.None */, "ImportMetaExpression"); + var importMetaType = getGlobalImportMetaType(); + var metaPropertySymbol = createSymbol(4 /* SymbolFlags.Property */, "meta", 8 /* CheckFlags.Readonly */); + metaPropertySymbol.parent = symbol; + metaPropertySymbol.type = importMetaType; + var members = ts.createSymbolTable([metaPropertySymbol]); + symbol.members = members; + deferredGlobalImportMetaExpressionType = createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, ts.emptyArray); + } + return deferredGlobalImportMetaExpressionType; + } + function getGlobalImportCallOptionsType(reportErrors) { + return (deferredGlobalImportCallOptionsType || (deferredGlobalImportCallOptionsType = getGlobalType("ImportCallOptions", /*arity*/ 0, reportErrors))) || emptyObjectType; + } + function getGlobalESSymbolConstructorSymbol(reportErrors) { + return deferredGlobalESSymbolConstructorSymbol || (deferredGlobalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol", reportErrors)); + } + function getGlobalESSymbolConstructorTypeSymbol(reportErrors) { + return deferredGlobalESSymbolConstructorTypeSymbol || (deferredGlobalESSymbolConstructorTypeSymbol = getGlobalTypeSymbol("SymbolConstructor", reportErrors)); + } + function getGlobalESSymbolType() { + return (deferredGlobalESSymbolType || (deferredGlobalESSymbolType = getGlobalType("Symbol", /*arity*/ 0, /*reportErrors*/ false))) || emptyObjectType; + } + function getGlobalPromiseType(reportErrors) { + return (deferredGlobalPromiseType || (deferredGlobalPromiseType = getGlobalType("Promise", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalPromiseLikeType(reportErrors) { + return (deferredGlobalPromiseLikeType || (deferredGlobalPromiseLikeType = getGlobalType("PromiseLike", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalPromiseConstructorSymbol(reportErrors) { + return deferredGlobalPromiseConstructorSymbol || (deferredGlobalPromiseConstructorSymbol = getGlobalValueSymbol("Promise", reportErrors)); + } + function getGlobalPromiseConstructorLikeType(reportErrors) { + return (deferredGlobalPromiseConstructorLikeType || (deferredGlobalPromiseConstructorLikeType = getGlobalType("PromiseConstructorLike", /*arity*/ 0, reportErrors))) || emptyObjectType; + } + function getGlobalAsyncIterableType(reportErrors) { + return (deferredGlobalAsyncIterableType || (deferredGlobalAsyncIterableType = getGlobalType("AsyncIterable", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalAsyncIteratorType(reportErrors) { + return (deferredGlobalAsyncIteratorType || (deferredGlobalAsyncIteratorType = getGlobalType("AsyncIterator", /*arity*/ 3, reportErrors))) || emptyGenericType; + } + function getGlobalAsyncIterableIteratorType(reportErrors) { + return (deferredGlobalAsyncIterableIteratorType || (deferredGlobalAsyncIterableIteratorType = getGlobalType("AsyncIterableIterator", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalAsyncGeneratorType(reportErrors) { + return (deferredGlobalAsyncGeneratorType || (deferredGlobalAsyncGeneratorType = getGlobalType("AsyncGenerator", /*arity*/ 3, reportErrors))) || emptyGenericType; + } + function getGlobalIterableType(reportErrors) { + return (deferredGlobalIterableType || (deferredGlobalIterableType = getGlobalType("Iterable", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalIteratorType(reportErrors) { + return (deferredGlobalIteratorType || (deferredGlobalIteratorType = getGlobalType("Iterator", /*arity*/ 3, reportErrors))) || emptyGenericType; + } + function getGlobalIterableIteratorType(reportErrors) { + return (deferredGlobalIterableIteratorType || (deferredGlobalIterableIteratorType = getGlobalType("IterableIterator", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalGeneratorType(reportErrors) { + return (deferredGlobalGeneratorType || (deferredGlobalGeneratorType = getGlobalType("Generator", /*arity*/ 3, reportErrors))) || emptyGenericType; + } + function getGlobalIteratorYieldResultType(reportErrors) { + return (deferredGlobalIteratorYieldResultType || (deferredGlobalIteratorYieldResultType = getGlobalType("IteratorYieldResult", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalIteratorReturnResultType(reportErrors) { + return (deferredGlobalIteratorReturnResultType || (deferredGlobalIteratorReturnResultType = getGlobalType("IteratorReturnResult", /*arity*/ 1, reportErrors))) || emptyGenericType; + } + function getGlobalTypeOrUndefined(name, arity) { + if (arity === void 0) { arity = 0; } + var symbol = getGlobalSymbol(name, 788968 /* SymbolFlags.Type */, /*diagnostic*/ undefined); + return symbol && getTypeOfGlobalSymbol(symbol, arity); + } + function getGlobalExtractSymbol() { + // We always report an error, so cache a result in the event we could not resolve the symbol to prevent reporting it multiple times + deferredGlobalExtractSymbol || (deferredGlobalExtractSymbol = getGlobalTypeAliasSymbol("Extract", /*arity*/ 2, /*reportErrors*/ true) || unknownSymbol); + return deferredGlobalExtractSymbol === unknownSymbol ? undefined : deferredGlobalExtractSymbol; + } + function getGlobalOmitSymbol() { + // We always report an error, so cache a result in the event we could not resolve the symbol to prevent reporting it multiple times + deferredGlobalOmitSymbol || (deferredGlobalOmitSymbol = getGlobalTypeAliasSymbol("Omit", /*arity*/ 2, /*reportErrors*/ true) || unknownSymbol); + return deferredGlobalOmitSymbol === unknownSymbol ? undefined : deferredGlobalOmitSymbol; + } + function getGlobalAwaitedSymbol(reportErrors) { + // Only cache `unknownSymbol` if we are reporting errors so that we don't report the error more than once. + deferredGlobalAwaitedSymbol || (deferredGlobalAwaitedSymbol = getGlobalTypeAliasSymbol("Awaited", /*arity*/ 1, reportErrors) || (reportErrors ? unknownSymbol : undefined)); + return deferredGlobalAwaitedSymbol === unknownSymbol ? undefined : deferredGlobalAwaitedSymbol; + } + function getGlobalBigIntType() { + return (deferredGlobalBigIntType || (deferredGlobalBigIntType = getGlobalType("BigInt", /*arity*/ 0, /*reportErrors*/ false))) || emptyObjectType; + } + /** + * Instantiates a global type that is generic with some element type, and returns that instantiation. + */ + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createTypedPropertyDescriptorType(propertyType) { + return createTypeFromGenericGlobalType(getGlobalTypedPropertyDescriptorType(), [propertyType]); + } + function createIterableType(iteratedType) { + return createTypeFromGenericGlobalType(getGlobalIterableType(/*reportErrors*/ true), [iteratedType]); + } + function createArrayType(elementType, readonly) { + return createTypeFromGenericGlobalType(readonly ? globalReadonlyArrayType : globalArrayType, [elementType]); + } + function getTupleElementFlags(node) { + switch (node.kind) { + case 185 /* SyntaxKind.OptionalType */: + return 2 /* ElementFlags.Optional */; + case 186 /* SyntaxKind.RestType */: + return getRestTypeElementFlags(node); + case 197 /* SyntaxKind.NamedTupleMember */: + return node.questionToken ? 2 /* ElementFlags.Optional */ : + node.dotDotDotToken ? getRestTypeElementFlags(node) : + 1 /* ElementFlags.Required */; + default: + return 1 /* ElementFlags.Required */; + } + } + function getRestTypeElementFlags(node) { + return getArrayElementTypeNode(node.type) ? 4 /* ElementFlags.Rest */ : 8 /* ElementFlags.Variadic */; + } + function getArrayOrTupleTargetType(node) { + var readonly = isReadonlyTypeOperator(node.parent); + var elementType = getArrayElementTypeNode(node); + if (elementType) { + return readonly ? globalReadonlyArrayType : globalArrayType; + } + var elementFlags = ts.map(node.elements, getTupleElementFlags); + var missingName = ts.some(node.elements, function (e) { return e.kind !== 197 /* SyntaxKind.NamedTupleMember */; }); + return getTupleTargetType(elementFlags, readonly, /*associatedNames*/ missingName ? undefined : node.elements); + } + // Return true if the given type reference node is directly aliased or if it needs to be deferred + // because it is possibly contained in a circular chain of eagerly resolved types. + function isDeferredTypeReferenceNode(node, hasDefaultTypeArguments) { + return !!getAliasSymbolForTypeNode(node) || isResolvedByTypeAlias(node) && (node.kind === 183 /* SyntaxKind.ArrayType */ ? mayResolveTypeAlias(node.elementType) : + node.kind === 184 /* SyntaxKind.TupleType */ ? ts.some(node.elements, mayResolveTypeAlias) : + hasDefaultTypeArguments || ts.some(node.typeArguments, mayResolveTypeAlias)); + } + // Return true when the given node is transitively contained in type constructs that eagerly + // resolve their constituent types. We include SyntaxKind.TypeReference because type arguments + // of type aliases are eagerly resolved. + function isResolvedByTypeAlias(node) { + var parent = node.parent; + switch (parent.kind) { + case 191 /* SyntaxKind.ParenthesizedType */: + case 197 /* SyntaxKind.NamedTupleMember */: + case 178 /* SyntaxKind.TypeReference */: + case 187 /* SyntaxKind.UnionType */: + case 188 /* SyntaxKind.IntersectionType */: + case 194 /* SyntaxKind.IndexedAccessType */: + case 189 /* SyntaxKind.ConditionalType */: + case 193 /* SyntaxKind.TypeOperator */: + case 183 /* SyntaxKind.ArrayType */: + case 184 /* SyntaxKind.TupleType */: + return isResolvedByTypeAlias(parent); + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return true; + } + return false; + } + // Return true if resolving the given node (i.e. getTypeFromTypeNode) possibly causes resolution + // of a type alias. + function mayResolveTypeAlias(node) { + switch (node.kind) { + case 178 /* SyntaxKind.TypeReference */: + return isJSDocTypeReference(node) || !!(resolveTypeReferenceName(node, 788968 /* SymbolFlags.Type */).flags & 524288 /* SymbolFlags.TypeAlias */); + case 181 /* SyntaxKind.TypeQuery */: + return true; + case 193 /* SyntaxKind.TypeOperator */: + return node.operator !== 154 /* SyntaxKind.UniqueKeyword */ && mayResolveTypeAlias(node.type); + case 191 /* SyntaxKind.ParenthesizedType */: + case 185 /* SyntaxKind.OptionalType */: + case 197 /* SyntaxKind.NamedTupleMember */: + case 316 /* SyntaxKind.JSDocOptionalType */: + case 314 /* SyntaxKind.JSDocNullableType */: + case 315 /* SyntaxKind.JSDocNonNullableType */: + case 309 /* SyntaxKind.JSDocTypeExpression */: + return mayResolveTypeAlias(node.type); + case 186 /* SyntaxKind.RestType */: + return node.type.kind !== 183 /* SyntaxKind.ArrayType */ || mayResolveTypeAlias(node.type.elementType); + case 187 /* SyntaxKind.UnionType */: + case 188 /* SyntaxKind.IntersectionType */: + return ts.some(node.types, mayResolveTypeAlias); + case 194 /* SyntaxKind.IndexedAccessType */: + return mayResolveTypeAlias(node.objectType) || mayResolveTypeAlias(node.indexType); + case 189 /* SyntaxKind.ConditionalType */: + return mayResolveTypeAlias(node.checkType) || mayResolveTypeAlias(node.extendsType) || + mayResolveTypeAlias(node.trueType) || mayResolveTypeAlias(node.falseType); + } + return false; + } + function getTypeFromArrayOrTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var target = getArrayOrTupleTargetType(node); + if (target === emptyGenericType) { + links.resolvedType = emptyObjectType; + } + else if (!(node.kind === 184 /* SyntaxKind.TupleType */ && ts.some(node.elements, function (e) { return !!(getTupleElementFlags(e) & 8 /* ElementFlags.Variadic */); })) && isDeferredTypeReferenceNode(node)) { + links.resolvedType = node.kind === 184 /* SyntaxKind.TupleType */ && node.elements.length === 0 ? target : + createDeferredTypeReference(target, node, /*mapper*/ undefined); + } + else { + var elementTypes = node.kind === 183 /* SyntaxKind.ArrayType */ ? [getTypeFromTypeNode(node.elementType)] : ts.map(node.elements, getTypeFromTypeNode); + links.resolvedType = createNormalizedTypeReference(target, elementTypes); + } + } + return links.resolvedType; + } + function isReadonlyTypeOperator(node) { + return ts.isTypeOperatorNode(node) && node.operator === 145 /* SyntaxKind.ReadonlyKeyword */; + } + function createTupleType(elementTypes, elementFlags, readonly, namedMemberDeclarations) { + if (readonly === void 0) { readonly = false; } + var tupleTarget = getTupleTargetType(elementFlags || ts.map(elementTypes, function (_) { return 1 /* ElementFlags.Required */; }), readonly, namedMemberDeclarations); + return tupleTarget === emptyGenericType ? emptyObjectType : + elementTypes.length ? createNormalizedTypeReference(tupleTarget, elementTypes) : + tupleTarget; + } + function getTupleTargetType(elementFlags, readonly, namedMemberDeclarations) { + if (elementFlags.length === 1 && elementFlags[0] & 4 /* ElementFlags.Rest */) { + // [...X[]] is equivalent to just X[] + return readonly ? globalReadonlyArrayType : globalArrayType; + } + var key = ts.map(elementFlags, function (f) { return f & 1 /* ElementFlags.Required */ ? "#" : f & 2 /* ElementFlags.Optional */ ? "?" : f & 4 /* ElementFlags.Rest */ ? "." : "*"; }).join() + + (readonly ? "R" : "") + + (namedMemberDeclarations && namedMemberDeclarations.length ? "," + ts.map(namedMemberDeclarations, getNodeId).join(",") : ""); + var type = tupleTypes.get(key); + if (!type) { + tupleTypes.set(key, type = createTupleTargetType(elementFlags, readonly, namedMemberDeclarations)); + } + return type; + } + // We represent tuple types as type references to synthesized generic interface types created by + // this function. The types are of the form: + // + // interface Tuple extends Array { 0: T0, 1: T1, 2: T2, ... } + // + // Note that the generic type created by this function has no symbol associated with it. The same + // is true for each of the synthesized type parameters. + function createTupleTargetType(elementFlags, readonly, namedMemberDeclarations) { + var arity = elementFlags.length; + var minLength = ts.countWhere(elementFlags, function (f) { return !!(f & (1 /* ElementFlags.Required */ | 8 /* ElementFlags.Variadic */)); }); + var typeParameters; + var properties = []; + var combinedFlags = 0; + if (arity) { + typeParameters = new Array(arity); + for (var i = 0; i < arity; i++) { + var typeParameter = typeParameters[i] = createTypeParameter(); + var flags = elementFlags[i]; + combinedFlags |= flags; + if (!(combinedFlags & 12 /* ElementFlags.Variable */)) { + var property = createSymbol(4 /* SymbolFlags.Property */ | (flags & 2 /* ElementFlags.Optional */ ? 16777216 /* SymbolFlags.Optional */ : 0), "" + i, readonly ? 8 /* CheckFlags.Readonly */ : 0); + property.tupleLabelDeclaration = namedMemberDeclarations === null || namedMemberDeclarations === void 0 ? void 0 : namedMemberDeclarations[i]; + property.type = typeParameter; + properties.push(property); + } + } + } + var fixedLength = properties.length; + var lengthSymbol = createSymbol(4 /* SymbolFlags.Property */, "length", readonly ? 8 /* CheckFlags.Readonly */ : 0); + if (combinedFlags & 12 /* ElementFlags.Variable */) { + lengthSymbol.type = numberType; + } + else { + var literalTypes = []; + for (var i = minLength; i <= arity; i++) + literalTypes.push(getNumberLiteralType(i)); + lengthSymbol.type = getUnionType(literalTypes); + } + properties.push(lengthSymbol); + var type = createObjectType(8 /* ObjectFlags.Tuple */ | 4 /* ObjectFlags.Reference */); + type.typeParameters = typeParameters; + type.outerTypeParameters = undefined; + type.localTypeParameters = typeParameters; + type.instantiations = new ts.Map(); + type.instantiations.set(getTypeListId(type.typeParameters), type); + type.target = type; + type.resolvedTypeArguments = type.typeParameters; + type.thisType = createTypeParameter(); + type.thisType.isThisType = true; + type.thisType.constraint = type; + type.declaredProperties = properties; + type.declaredCallSignatures = ts.emptyArray; + type.declaredConstructSignatures = ts.emptyArray; + type.declaredIndexInfos = ts.emptyArray; + type.elementFlags = elementFlags; + type.minLength = minLength; + type.fixedLength = fixedLength; + type.hasRestElement = !!(combinedFlags & 12 /* ElementFlags.Variable */); + type.combinedFlags = combinedFlags; + type.readonly = readonly; + type.labeledElementDeclarations = namedMemberDeclarations; + return type; + } + function createNormalizedTypeReference(target, typeArguments) { + return target.objectFlags & 8 /* ObjectFlags.Tuple */ ? createNormalizedTupleType(target, typeArguments) : createTypeReference(target, typeArguments); + } + function createNormalizedTupleType(target, elementTypes) { + var _a, _b, _c; + if (!(target.combinedFlags & 14 /* ElementFlags.NonRequired */)) { + // No need to normalize when we only have regular required elements + return createTypeReference(target, elementTypes); + } + if (target.combinedFlags & 8 /* ElementFlags.Variadic */) { + // Transform [A, ...(X | Y | Z)] into [A, ...X] | [A, ...Y] | [A, ...Z] + var unionIndex_1 = ts.findIndex(elementTypes, function (t, i) { return !!(target.elementFlags[i] & 8 /* ElementFlags.Variadic */ && t.flags & (131072 /* TypeFlags.Never */ | 1048576 /* TypeFlags.Union */)); }); + if (unionIndex_1 >= 0) { + return checkCrossProductUnion(ts.map(elementTypes, function (t, i) { return target.elementFlags[i] & 8 /* ElementFlags.Variadic */ ? t : unknownType; })) ? + mapType(elementTypes[unionIndex_1], function (t) { return createNormalizedTupleType(target, ts.replaceElement(elementTypes, unionIndex_1, t)); }) : + errorType; + } + } + // We have optional, rest, or variadic elements that may need normalizing. Normalization ensures that all variadic + // elements are generic and that the tuple type has one of the following layouts, disregarding variadic elements: + // (1) Zero or more required elements, followed by zero or more optional elements, followed by zero or one rest element. + // (2) Zero or more required elements, followed by a rest element, followed by zero or more required elements. + // In either layout, zero or more generic variadic elements may be present at any location. + var expandedTypes = []; + var expandedFlags = []; + var expandedDeclarations = []; + var lastRequiredIndex = -1; + var firstRestIndex = -1; + var lastOptionalOrRestIndex = -1; + var _loop_15 = function (i) { + var type = elementTypes[i]; + var flags = target.elementFlags[i]; + if (flags & 8 /* ElementFlags.Variadic */) { + if (type.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */ || isGenericMappedType(type)) { + // Generic variadic elements stay as they are. + addElement(type, 8 /* ElementFlags.Variadic */, (_a = target.labeledElementDeclarations) === null || _a === void 0 ? void 0 : _a[i]); + } + else if (isTupleType(type)) { + var elements = getTypeArguments(type); + if (elements.length + expandedTypes.length >= 10000) { + error(currentNode, ts.isPartOfTypeNode(currentNode) + ? ts.Diagnostics.Type_produces_a_tuple_type_that_is_too_large_to_represent + : ts.Diagnostics.Expression_produces_a_tuple_type_that_is_too_large_to_represent); + return { value: errorType }; + } + // Spread variadic elements with tuple types into the resulting tuple. + ts.forEach(elements, function (t, n) { var _a; return addElement(t, type.target.elementFlags[n], (_a = type.target.labeledElementDeclarations) === null || _a === void 0 ? void 0 : _a[n]); }); + } + else { + // Treat everything else as an array type and create a rest element. + addElement(isArrayLikeType(type) && getIndexTypeOfType(type, numberType) || errorType, 4 /* ElementFlags.Rest */, (_b = target.labeledElementDeclarations) === null || _b === void 0 ? void 0 : _b[i]); + } + } + else { + // Copy other element kinds with no change. + addElement(type, flags, (_c = target.labeledElementDeclarations) === null || _c === void 0 ? void 0 : _c[i]); + } + }; + for (var i = 0; i < elementTypes.length; i++) { + var state_4 = _loop_15(i); + if (typeof state_4 === "object") + return state_4.value; + } + // Turn optional elements preceding the last required element into required elements + for (var i = 0; i < lastRequiredIndex; i++) { + if (expandedFlags[i] & 2 /* ElementFlags.Optional */) + expandedFlags[i] = 1 /* ElementFlags.Required */; + } + if (firstRestIndex >= 0 && firstRestIndex < lastOptionalOrRestIndex) { + // Turn elements between first rest and last optional/rest into a single rest element + expandedTypes[firstRestIndex] = getUnionType(ts.sameMap(expandedTypes.slice(firstRestIndex, lastOptionalOrRestIndex + 1), function (t, i) { return expandedFlags[firstRestIndex + i] & 8 /* ElementFlags.Variadic */ ? getIndexedAccessType(t, numberType) : t; })); + expandedTypes.splice(firstRestIndex + 1, lastOptionalOrRestIndex - firstRestIndex); + expandedFlags.splice(firstRestIndex + 1, lastOptionalOrRestIndex - firstRestIndex); + expandedDeclarations === null || expandedDeclarations === void 0 ? void 0 : expandedDeclarations.splice(firstRestIndex + 1, lastOptionalOrRestIndex - firstRestIndex); + } + var tupleTarget = getTupleTargetType(expandedFlags, target.readonly, expandedDeclarations); + return tupleTarget === emptyGenericType ? emptyObjectType : + expandedFlags.length ? createTypeReference(tupleTarget, expandedTypes) : + tupleTarget; + function addElement(type, flags, declaration) { + if (flags & 1 /* ElementFlags.Required */) { + lastRequiredIndex = expandedFlags.length; + } + if (flags & 4 /* ElementFlags.Rest */ && firstRestIndex < 0) { + firstRestIndex = expandedFlags.length; + } + if (flags & (2 /* ElementFlags.Optional */ | 4 /* ElementFlags.Rest */)) { + lastOptionalOrRestIndex = expandedFlags.length; + } + expandedTypes.push(type); + expandedFlags.push(flags); + if (expandedDeclarations && declaration) { + expandedDeclarations.push(declaration); + } + else { + expandedDeclarations = undefined; + } + } + } + function sliceTupleType(type, index, endSkipCount) { + if (endSkipCount === void 0) { endSkipCount = 0; } + var target = type.target; + var endIndex = getTypeReferenceArity(type) - endSkipCount; + return index > target.fixedLength ? getRestArrayTypeOfTupleType(type) || createTupleType(ts.emptyArray) : + createTupleType(getTypeArguments(type).slice(index, endIndex), target.elementFlags.slice(index, endIndex), + /*readonly*/ false, target.labeledElementDeclarations && target.labeledElementDeclarations.slice(index, endIndex)); + } + function getKnownKeysOfTupleType(type) { + return getUnionType(ts.append(ts.arrayOf(type.target.fixedLength, function (i) { return getStringLiteralType("" + i); }), getIndexType(type.target.readonly ? globalReadonlyArrayType : globalArrayType))); + } + // Return count of starting consecutive tuple elements of the given kind(s) + function getStartElementCount(type, flags) { + var index = ts.findIndex(type.elementFlags, function (f) { return !(f & flags); }); + return index >= 0 ? index : type.elementFlags.length; + } + // Return count of ending consecutive tuple elements of the given kind(s) + function getEndElementCount(type, flags) { + return type.elementFlags.length - ts.findLastIndex(type.elementFlags, function (f) { return !(f & flags); }) - 1; + } + function getTypeFromOptionalTypeNode(node) { + return addOptionality(getTypeFromTypeNode(node.type), /*isProperty*/ true); + } + function getTypeId(type) { + return type.id; + } + function containsType(types, type) { + return ts.binarySearch(types, type, getTypeId, ts.compareValues) >= 0; + } + function insertType(types, type) { + var index = ts.binarySearch(types, type, getTypeId, ts.compareValues); + if (index < 0) { + types.splice(~index, 0, type); + return true; + } + return false; + } + function addTypeToUnion(typeSet, includes, type) { + var flags = type.flags; + if (flags & 1048576 /* TypeFlags.Union */) { + return addTypesToUnion(typeSet, includes | (isNamedUnionType(type) ? 1048576 /* TypeFlags.Union */ : 0), type.types); + } + // We ignore 'never' types in unions + if (!(flags & 131072 /* TypeFlags.Never */)) { + includes |= flags & 205258751 /* TypeFlags.IncludesMask */; + if (flags & 465829888 /* TypeFlags.Instantiable */) + includes |= 33554432 /* TypeFlags.IncludesInstantiable */; + if (type === wildcardType) + includes |= 8388608 /* TypeFlags.IncludesWildcard */; + if (!strictNullChecks && flags & 98304 /* TypeFlags.Nullable */) { + if (!(ts.getObjectFlags(type) & 65536 /* ObjectFlags.ContainsWideningType */)) + includes |= 4194304 /* TypeFlags.IncludesNonWideningType */; + } + else { + var len = typeSet.length; + var index = len && type.id > typeSet[len - 1].id ? ~len : ts.binarySearch(typeSet, type, getTypeId, ts.compareValues); + if (index < 0) { + typeSet.splice(~index, 0, type); + } + } + } + return includes; + } + // Add the given types to the given type set. Order is preserved, duplicates are removed, + // and nested types of the given kind are flattened into the set. + function addTypesToUnion(typeSet, includes, types) { + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var type = types_9[_i]; + includes = addTypeToUnion(typeSet, includes, type); + } + return includes; + } + function removeSubtypes(types, hasObjectTypes) { + // [] and [T] immediately reduce to [] and [T] respectively + if (types.length < 2) { + return types; + } + var id = getTypeListId(types); + var match = subtypeReductionCache.get(id); + if (match) { + return match; + } + // We assume that redundant primitive types have already been removed from the types array and that there + // are no any and unknown types in the array. Thus, the only possible supertypes for primitive types are empty + // object types, and if none of those are present we can exclude primitive types from the subtype check. + var hasEmptyObject = hasObjectTypes && ts.some(types, function (t) { return !!(t.flags & 524288 /* TypeFlags.Object */) && !isGenericMappedType(t) && isEmptyResolvedType(resolveStructuredTypeMembers(t)); }); + var len = types.length; + var i = len; + var count = 0; + while (i > 0) { + i--; + var source = types[i]; + if (hasEmptyObject || source.flags & 469499904 /* TypeFlags.StructuredOrInstantiable */) { + // Find the first property with a unit type, if any. When constituents have a property by the same name + // but of a different unit type, we can quickly disqualify them from subtype checks. This helps subtype + // reduction of large discriminated union types. + var keyProperty = source.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */) ? + ts.find(getPropertiesOfType(source), function (p) { return isUnitType(getTypeOfSymbol(p)); }) : + undefined; + var keyPropertyType = keyProperty && getRegularTypeOfLiteralType(getTypeOfSymbol(keyProperty)); + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var target = types_10[_i]; + if (source !== target) { + if (count === 100000) { + // After 100000 subtype checks we estimate the remaining amount of work by assuming the + // same ratio of checks per element. If the estimated number of remaining type checks is + // greater than 1M we deem the union type too complex to represent. This for example + // caps union types at 1000 unique object types. + var estimatedCount = (count / (len - i)) * len; + if (estimatedCount > 1000000) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "removeSubtypes_DepthLimit", { typeIds: types.map(function (t) { return t.id; }) }); + error(currentNode, ts.Diagnostics.Expression_produces_a_union_type_that_is_too_complex_to_represent); + return undefined; + } + } + count++; + if (keyProperty && target.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */)) { + var t = getTypeOfPropertyOfType(target, keyProperty.escapedName); + if (t && isUnitType(t) && getRegularTypeOfLiteralType(t) !== keyPropertyType) { + continue; + } + } + if (isTypeRelatedTo(source, target, strictSubtypeRelation) && (!(ts.getObjectFlags(getTargetType(source)) & 1 /* ObjectFlags.Class */) || + !(ts.getObjectFlags(getTargetType(target)) & 1 /* ObjectFlags.Class */) || + isTypeDerivedFrom(source, target))) { + ts.orderedRemoveItemAt(types, i); + break; + } + } + } + } + } + subtypeReductionCache.set(id, types); + return types; + } + function removeRedundantLiteralTypes(types, includes, reduceVoidUndefined) { + var i = types.length; + while (i > 0) { + i--; + var t = types[i]; + var flags = t.flags; + var remove = flags & (128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) && includes & 4 /* TypeFlags.String */ || + flags & 256 /* TypeFlags.NumberLiteral */ && includes & 8 /* TypeFlags.Number */ || + flags & 2048 /* TypeFlags.BigIntLiteral */ && includes & 64 /* TypeFlags.BigInt */ || + flags & 8192 /* TypeFlags.UniqueESSymbol */ && includes & 4096 /* TypeFlags.ESSymbol */ || + reduceVoidUndefined && flags & 32768 /* TypeFlags.Undefined */ && includes & 16384 /* TypeFlags.Void */ || + isFreshLiteralType(t) && containsType(types, t.regularType); + if (remove) { + ts.orderedRemoveItemAt(types, i); + } + } + } + function removeStringLiteralsMatchedByTemplateLiterals(types) { + var templates = ts.filter(types, isPatternLiteralType); + if (templates.length) { + var i = types.length; + var _loop_16 = function () { + i--; + var t = types[i]; + if (t.flags & 128 /* TypeFlags.StringLiteral */ && ts.some(templates, function (template) { return isTypeMatchedByTemplateLiteralType(t, template); })) { + ts.orderedRemoveItemAt(types, i); + } + }; + while (i > 0) { + _loop_16(); + } + } + } + function isNamedUnionType(type) { + return !!(type.flags & 1048576 /* TypeFlags.Union */ && (type.aliasSymbol || type.origin)); + } + function addNamedUnions(namedUnions, types) { + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var t = types_11[_i]; + if (t.flags & 1048576 /* TypeFlags.Union */) { + var origin = t.origin; + if (t.aliasSymbol || origin && !(origin.flags & 1048576 /* TypeFlags.Union */)) { + ts.pushIfUnique(namedUnions, t); + } + else if (origin && origin.flags & 1048576 /* TypeFlags.Union */) { + addNamedUnions(namedUnions, origin.types); + } + } + } + } + function createOriginUnionOrIntersectionType(flags, types) { + var result = createOriginType(flags); + result.types = types; + return result; + } + // We sort and deduplicate the constituent types based on object identity. If the subtypeReduction + // flag is specified we also reduce the constituent type set to only include types that aren't subtypes + // of other types. Subtype reduction is expensive for large union types and is possible only when union + // types are known not to circularly reference themselves (as is the case with union types created by + // expression constructs such as array literals and the || and ?: operators). Named types can + // circularly reference themselves and therefore cannot be subtype reduced during their declaration. + // For example, "type Item = string | (() => Item" is a named type that circularly references itself. + function getUnionType(types, unionReduction, aliasSymbol, aliasTypeArguments, origin) { + if (unionReduction === void 0) { unionReduction = 1 /* UnionReduction.Literal */; } + if (types.length === 0) { + return neverType; + } + if (types.length === 1) { + return types[0]; + } + var typeSet = []; + var includes = addTypesToUnion(typeSet, 0, types); + if (unionReduction !== 0 /* UnionReduction.None */) { + if (includes & 3 /* TypeFlags.AnyOrUnknown */) { + return includes & 1 /* TypeFlags.Any */ ? + includes & 8388608 /* TypeFlags.IncludesWildcard */ ? wildcardType : anyType : + includes & 65536 /* TypeFlags.Null */ || containsType(typeSet, unknownType) ? unknownType : nonNullUnknownType; + } + if (exactOptionalPropertyTypes && includes & 32768 /* TypeFlags.Undefined */) { + var missingIndex = ts.binarySearch(typeSet, missingType, getTypeId, ts.compareValues); + if (missingIndex >= 0 && containsType(typeSet, undefinedType)) { + ts.orderedRemoveItemAt(typeSet, missingIndex); + } + } + if (includes & (2944 /* TypeFlags.Literal */ | 8192 /* TypeFlags.UniqueESSymbol */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) || includes & 16384 /* TypeFlags.Void */ && includes & 32768 /* TypeFlags.Undefined */) { + removeRedundantLiteralTypes(typeSet, includes, !!(unionReduction & 2 /* UnionReduction.Subtype */)); + } + if (includes & 128 /* TypeFlags.StringLiteral */ && includes & 134217728 /* TypeFlags.TemplateLiteral */) { + removeStringLiteralsMatchedByTemplateLiterals(typeSet); + } + if (unionReduction === 2 /* UnionReduction.Subtype */) { + typeSet = removeSubtypes(typeSet, !!(includes & 524288 /* TypeFlags.Object */)); + if (!typeSet) { + return errorType; + } + } + if (typeSet.length === 0) { + return includes & 65536 /* TypeFlags.Null */ ? includes & 4194304 /* TypeFlags.IncludesNonWideningType */ ? nullType : nullWideningType : + includes & 32768 /* TypeFlags.Undefined */ ? includes & 4194304 /* TypeFlags.IncludesNonWideningType */ ? undefinedType : undefinedWideningType : + neverType; + } + } + if (!origin && includes & 1048576 /* TypeFlags.Union */) { + var namedUnions = []; + addNamedUnions(namedUnions, types); + var reducedTypes = []; + var _loop_17 = function (t) { + if (!ts.some(namedUnions, function (union) { return containsType(union.types, t); })) { + reducedTypes.push(t); + } + }; + for (var _i = 0, typeSet_1 = typeSet; _i < typeSet_1.length; _i++) { + var t = typeSet_1[_i]; + _loop_17(t); + } + if (!aliasSymbol && namedUnions.length === 1 && reducedTypes.length === 0) { + return namedUnions[0]; + } + // We create a denormalized origin type only when the union was created from one or more named unions + // (unions with alias symbols or origins) and when there is no overlap between those named unions. + var namedTypesCount = ts.reduceLeft(namedUnions, function (sum, union) { return sum + union.types.length; }, 0); + if (namedTypesCount + reducedTypes.length === typeSet.length) { + for (var _a = 0, namedUnions_1 = namedUnions; _a < namedUnions_1.length; _a++) { + var t = namedUnions_1[_a]; + insertType(reducedTypes, t); + } + origin = createOriginUnionOrIntersectionType(1048576 /* TypeFlags.Union */, reducedTypes); + } + } + var objectFlags = (includes & 36323363 /* TypeFlags.NotPrimitiveUnion */ ? 0 : 32768 /* ObjectFlags.PrimitiveUnion */) | + (includes & 2097152 /* TypeFlags.Intersection */ ? 16777216 /* ObjectFlags.ContainsIntersections */ : 0); + return getUnionTypeFromSortedList(typeSet, objectFlags, aliasSymbol, aliasTypeArguments, origin); + } + function getUnionOrIntersectionTypePredicate(signatures, kind) { + var first; + var types = []; + for (var _i = 0, signatures_6 = signatures; _i < signatures_6.length; _i++) { + var sig = signatures_6[_i]; + var pred = getTypePredicateOfSignature(sig); + if (!pred || pred.kind === 2 /* TypePredicateKind.AssertsThis */ || pred.kind === 3 /* TypePredicateKind.AssertsIdentifier */) { + if (kind !== 2097152 /* TypeFlags.Intersection */) { + continue; + } + else { + return; // intersections demand all members be type predicates for the result to have a predicate + } + } + if (first) { + if (!typePredicateKindsMatch(first, pred)) { + // No common type predicate. + return undefined; + } + } + else { + first = pred; + } + types.push(pred.type); + } + if (!first) { + // No signatures had a type predicate. + return undefined; + } + var compositeType = getUnionOrIntersectionType(types, kind); + return createTypePredicate(first.kind, first.parameterName, first.parameterIndex, compositeType); + } + function typePredicateKindsMatch(a, b) { + return a.kind === b.kind && a.parameterIndex === b.parameterIndex; + } + // This function assumes the constituent type list is sorted and deduplicated. + function getUnionTypeFromSortedList(types, objectFlags, aliasSymbol, aliasTypeArguments, origin) { + if (types.length === 0) { + return neverType; + } + if (types.length === 1) { + return types[0]; + } + var typeKey = !origin ? getTypeListId(types) : + origin.flags & 1048576 /* TypeFlags.Union */ ? "|".concat(getTypeListId(origin.types)) : + origin.flags & 2097152 /* TypeFlags.Intersection */ ? "&".concat(getTypeListId(origin.types)) : + "#".concat(origin.type.id, "|").concat(getTypeListId(types)); // origin type id alone is insufficient, as `keyof x` may resolve to multiple WIP values while `x` is still resolving + var id = typeKey + getAliasId(aliasSymbol, aliasTypeArguments); + var type = unionTypes.get(id); + if (!type) { + type = createType(1048576 /* TypeFlags.Union */); + type.objectFlags = objectFlags | getPropagatingFlagsOfTypes(types, /*excludeKinds*/ 98304 /* TypeFlags.Nullable */); + type.types = types; + type.origin = origin; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + if (types.length === 2 && types[0].flags & 512 /* TypeFlags.BooleanLiteral */ && types[1].flags & 512 /* TypeFlags.BooleanLiteral */) { + type.flags |= 16 /* TypeFlags.Boolean */; + type.intrinsicName = "boolean"; + } + unionTypes.set(id, type); + } + return type; + } + function getTypeFromUnionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var aliasSymbol = getAliasSymbolForTypeNode(node); + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), 1 /* UnionReduction.Literal */, aliasSymbol, getTypeArgumentsForAliasSymbol(aliasSymbol)); + } + return links.resolvedType; + } + function addTypeToIntersection(typeSet, includes, type) { + var flags = type.flags; + if (flags & 2097152 /* TypeFlags.Intersection */) { + return addTypesToIntersection(typeSet, includes, type.types); + } + if (isEmptyAnonymousObjectType(type)) { + if (!(includes & 16777216 /* TypeFlags.IncludesEmptyObject */)) { + includes |= 16777216 /* TypeFlags.IncludesEmptyObject */; + typeSet.set(type.id.toString(), type); + } + } + else { + if (flags & 3 /* TypeFlags.AnyOrUnknown */) { + if (type === wildcardType) + includes |= 8388608 /* TypeFlags.IncludesWildcard */; + } + else if (strictNullChecks || !(flags & 98304 /* TypeFlags.Nullable */)) { + if (exactOptionalPropertyTypes && type === missingType) { + includes |= 262144 /* TypeFlags.IncludesMissingType */; + type = undefinedType; + } + if (!typeSet.has(type.id.toString())) { + if (type.flags & 109440 /* TypeFlags.Unit */ && includes & 109440 /* TypeFlags.Unit */) { + // We have seen two distinct unit types which means we should reduce to an + // empty intersection. Adding TypeFlags.NonPrimitive causes that to happen. + includes |= 67108864 /* TypeFlags.NonPrimitive */; + } + typeSet.set(type.id.toString(), type); + } + } + includes |= flags & 205258751 /* TypeFlags.IncludesMask */; + } + return includes; + } + // Add the given types to the given type set. Order is preserved, freshness is removed from literal + // types, duplicates are removed, and nested types of the given kind are flattened into the set. + function addTypesToIntersection(typeSet, includes, types) { + for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { + var type = types_12[_i]; + includes = addTypeToIntersection(typeSet, includes, getRegularTypeOfLiteralType(type)); + } + return includes; + } + function removeRedundantPrimitiveTypes(types, includes) { + var i = types.length; + while (i > 0) { + i--; + var t = types[i]; + var remove = t.flags & 4 /* TypeFlags.String */ && includes & (128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) || + t.flags & 8 /* TypeFlags.Number */ && includes & 256 /* TypeFlags.NumberLiteral */ || + t.flags & 64 /* TypeFlags.BigInt */ && includes & 2048 /* TypeFlags.BigIntLiteral */ || + t.flags & 4096 /* TypeFlags.ESSymbol */ && includes & 8192 /* TypeFlags.UniqueESSymbol */; + if (remove) { + ts.orderedRemoveItemAt(types, i); + } + } + } + // Check that the given type has a match in every union. A given type is matched by + // an identical type, and a literal type is additionally matched by its corresponding + // primitive type. + function eachUnionContains(unionTypes, type) { + for (var _i = 0, unionTypes_1 = unionTypes; _i < unionTypes_1.length; _i++) { + var u = unionTypes_1[_i]; + if (!containsType(u.types, type)) { + var primitive = type.flags & 128 /* TypeFlags.StringLiteral */ ? stringType : + type.flags & 256 /* TypeFlags.NumberLiteral */ ? numberType : + type.flags & 2048 /* TypeFlags.BigIntLiteral */ ? bigintType : + type.flags & 8192 /* TypeFlags.UniqueESSymbol */ ? esSymbolType : + undefined; + if (!primitive || !containsType(u.types, primitive)) { + return false; + } + } + } + return true; + } + /** + * Returns `true` if the intersection of the template literals and string literals is the empty set, eg `get${string}` & "setX", and should reduce to `never` + */ + function extractRedundantTemplateLiterals(types) { + var i = types.length; + var literals = ts.filter(types, function (t) { return !!(t.flags & 128 /* TypeFlags.StringLiteral */); }); + while (i > 0) { + i--; + var t = types[i]; + if (!(t.flags & 134217728 /* TypeFlags.TemplateLiteral */)) + continue; + for (var _i = 0, literals_1 = literals; _i < literals_1.length; _i++) { + var t2 = literals_1[_i]; + if (isTypeSubtypeOf(t2, t)) { + // eg, ``get${T}` & "getX"` is just `"getX"` + ts.orderedRemoveItemAt(types, i); + break; + } + else if (isPatternLiteralType(t)) { + return true; + } + } + } + return false; + } + function eachIsUnionContaining(types, flag) { + return ts.every(types, function (t) { return !!(t.flags & 1048576 /* TypeFlags.Union */) && ts.some(t.types, function (tt) { return !!(tt.flags & flag); }); }); + } + function removeFromEach(types, flag) { + for (var i = 0; i < types.length; i++) { + types[i] = filterType(types[i], function (t) { return !(t.flags & flag); }); + } + } + // If the given list of types contains more than one union of primitive types, replace the + // first with a union containing an intersection of those primitive types, then remove the + // other unions and return true. Otherwise, do nothing and return false. + function intersectUnionsOfPrimitiveTypes(types) { + var unionTypes; + var index = ts.findIndex(types, function (t) { return !!(ts.getObjectFlags(t) & 32768 /* ObjectFlags.PrimitiveUnion */); }); + if (index < 0) { + return false; + } + var i = index + 1; + // Remove all but the first union of primitive types and collect them in + // the unionTypes array. + while (i < types.length) { + var t = types[i]; + if (ts.getObjectFlags(t) & 32768 /* ObjectFlags.PrimitiveUnion */) { + (unionTypes || (unionTypes = [types[index]])).push(t); + ts.orderedRemoveItemAt(types, i); + } + else { + i++; + } + } + // Return false if there was only one union of primitive types + if (!unionTypes) { + return false; + } + // We have more than one union of primitive types, now intersect them. For each + // type in each union we check if the type is matched in every union and if so + // we include it in the result. + var checked = []; + var result = []; + for (var _i = 0, unionTypes_2 = unionTypes; _i < unionTypes_2.length; _i++) { + var u = unionTypes_2[_i]; + for (var _a = 0, _b = u.types; _a < _b.length; _a++) { + var t = _b[_a]; + if (insertType(checked, t)) { + if (eachUnionContains(unionTypes, t)) { + insertType(result, t); + } + } + } + } + // Finally replace the first union with the result + types[index] = getUnionTypeFromSortedList(result, 32768 /* ObjectFlags.PrimitiveUnion */); + return true; + } + function createIntersectionType(types, aliasSymbol, aliasTypeArguments) { + var result = createType(2097152 /* TypeFlags.Intersection */); + result.objectFlags = getPropagatingFlagsOfTypes(types, /*excludeKinds*/ 98304 /* TypeFlags.Nullable */); + result.types = types; + result.aliasSymbol = aliasSymbol; + result.aliasTypeArguments = aliasTypeArguments; + return result; + } + // We normalize combinations of intersection and union types based on the distributive property of the '&' + // operator. Specifically, because X & (A | B) is equivalent to X & A | X & B, we can transform intersection + // types with union type constituents into equivalent union types with intersection type constituents and + // effectively ensure that union types are always at the top level in type representations. + // + // We do not perform structural deduplication on intersection types. Intersection types are created only by the & + // type operator and we can't reduce those because we want to support recursive intersection types. For example, + // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. + // Also, unlike union types, the order of the constituent types is preserved in order that overload resolution + // for intersections of types with signatures can be deterministic. + function getIntersectionType(types, aliasSymbol, aliasTypeArguments) { + var typeMembershipMap = new ts.Map(); + var includes = addTypesToIntersection(typeMembershipMap, 0, types); + var typeSet = ts.arrayFrom(typeMembershipMap.values()); + // An intersection type is considered empty if it contains + // the type never, or + // more than one unit type or, + // an object type and a nullable type (null or undefined), or + // a string-like type and a type known to be non-string-like, or + // a number-like type and a type known to be non-number-like, or + // a symbol-like type and a type known to be non-symbol-like, or + // a void-like type and a type known to be non-void-like, or + // a non-primitive type and a type known to be primitive. + if (includes & 131072 /* TypeFlags.Never */) { + return ts.contains(typeSet, silentNeverType) ? silentNeverType : neverType; + } + if (strictNullChecks && includes & 98304 /* TypeFlags.Nullable */ && includes & (524288 /* TypeFlags.Object */ | 67108864 /* TypeFlags.NonPrimitive */ | 16777216 /* TypeFlags.IncludesEmptyObject */) || + includes & 67108864 /* TypeFlags.NonPrimitive */ && includes & (469892092 /* TypeFlags.DisjointDomains */ & ~67108864 /* TypeFlags.NonPrimitive */) || + includes & 402653316 /* TypeFlags.StringLike */ && includes & (469892092 /* TypeFlags.DisjointDomains */ & ~402653316 /* TypeFlags.StringLike */) || + includes & 296 /* TypeFlags.NumberLike */ && includes & (469892092 /* TypeFlags.DisjointDomains */ & ~296 /* TypeFlags.NumberLike */) || + includes & 2112 /* TypeFlags.BigIntLike */ && includes & (469892092 /* TypeFlags.DisjointDomains */ & ~2112 /* TypeFlags.BigIntLike */) || + includes & 12288 /* TypeFlags.ESSymbolLike */ && includes & (469892092 /* TypeFlags.DisjointDomains */ & ~12288 /* TypeFlags.ESSymbolLike */) || + includes & 49152 /* TypeFlags.VoidLike */ && includes & (469892092 /* TypeFlags.DisjointDomains */ & ~49152 /* TypeFlags.VoidLike */)) { + return neverType; + } + if (includes & 134217728 /* TypeFlags.TemplateLiteral */ && includes & 128 /* TypeFlags.StringLiteral */ && extractRedundantTemplateLiterals(typeSet)) { + return neverType; + } + if (includes & 1 /* TypeFlags.Any */) { + return includes & 8388608 /* TypeFlags.IncludesWildcard */ ? wildcardType : anyType; + } + if (!strictNullChecks && includes & 98304 /* TypeFlags.Nullable */) { + return includes & 32768 /* TypeFlags.Undefined */ ? undefinedType : nullType; + } + if (includes & 4 /* TypeFlags.String */ && includes & (128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) || + includes & 8 /* TypeFlags.Number */ && includes & 256 /* TypeFlags.NumberLiteral */ || + includes & 64 /* TypeFlags.BigInt */ && includes & 2048 /* TypeFlags.BigIntLiteral */ || + includes & 4096 /* TypeFlags.ESSymbol */ && includes & 8192 /* TypeFlags.UniqueESSymbol */) { + removeRedundantPrimitiveTypes(typeSet, includes); + } + if (includes & 16777216 /* TypeFlags.IncludesEmptyObject */ && includes & 524288 /* TypeFlags.Object */) { + ts.orderedRemoveItemAt(typeSet, ts.findIndex(typeSet, isEmptyAnonymousObjectType)); + } + if (includes & 262144 /* TypeFlags.IncludesMissingType */) { + typeSet[typeSet.indexOf(undefinedType)] = missingType; + } + if (typeSet.length === 0) { + return unknownType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet) + getAliasId(aliasSymbol, aliasTypeArguments); + var result = intersectionTypes.get(id); + if (!result) { + if (includes & 1048576 /* TypeFlags.Union */) { + if (intersectUnionsOfPrimitiveTypes(typeSet)) { + // When the intersection creates a reduced set (which might mean that *all* union types have + // disappeared), we restart the operation to get a new set of combined flags. Once we have + // reduced we'll never reduce again, so this occurs at most once. + result = getIntersectionType(typeSet, aliasSymbol, aliasTypeArguments); + } + else if (eachIsUnionContaining(typeSet, 32768 /* TypeFlags.Undefined */)) { + var undefinedOrMissingType = exactOptionalPropertyTypes && ts.some(typeSet, function (t) { return containsType(t.types, missingType); }) ? missingType : undefinedType; + removeFromEach(typeSet, 32768 /* TypeFlags.Undefined */); + result = getUnionType([getIntersectionType(typeSet), undefinedOrMissingType], 1 /* UnionReduction.Literal */, aliasSymbol, aliasTypeArguments); + } + else if (eachIsUnionContaining(typeSet, 65536 /* TypeFlags.Null */)) { + removeFromEach(typeSet, 65536 /* TypeFlags.Null */); + result = getUnionType([getIntersectionType(typeSet), nullType], 1 /* UnionReduction.Literal */, aliasSymbol, aliasTypeArguments); + } + else { + // We are attempting to construct a type of the form X & (A | B) & (C | D). Transform this into a type of + // the form X & A & C | X & A & D | X & B & C | X & B & D. If the estimated size of the resulting union type + // exceeds 100000 constituents, report an error. + if (!checkCrossProductUnion(typeSet)) { + return errorType; + } + var constituents = getCrossProductIntersections(typeSet); + // We attach a denormalized origin type when at least one constituent of the cross-product union is an + // intersection (i.e. when the intersection didn't just reduce one or more unions to smaller unions). + var origin = ts.some(constituents, function (t) { return !!(t.flags & 2097152 /* TypeFlags.Intersection */); }) ? createOriginUnionOrIntersectionType(2097152 /* TypeFlags.Intersection */, typeSet) : undefined; + result = getUnionType(constituents, 1 /* UnionReduction.Literal */, aliasSymbol, aliasTypeArguments, origin); + } + } + else { + result = createIntersectionType(typeSet, aliasSymbol, aliasTypeArguments); + } + intersectionTypes.set(id, result); + } + return result; + } + function getCrossProductUnionSize(types) { + return ts.reduceLeft(types, function (n, t) { return t.flags & 1048576 /* TypeFlags.Union */ ? n * t.types.length : t.flags & 131072 /* TypeFlags.Never */ ? 0 : n; }, 1); + } + function checkCrossProductUnion(types) { + var size = getCrossProductUnionSize(types); + if (size >= 100000) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "checkCrossProductUnion_DepthLimit", { typeIds: types.map(function (t) { return t.id; }), size: size }); + error(currentNode, ts.Diagnostics.Expression_produces_a_union_type_that_is_too_complex_to_represent); + return false; + } + return true; + } + function getCrossProductIntersections(types) { + var count = getCrossProductUnionSize(types); + var intersections = []; + for (var i = 0; i < count; i++) { + var constituents = types.slice(); + var n = i; + for (var j = types.length - 1; j >= 0; j--) { + if (types[j].flags & 1048576 /* TypeFlags.Union */) { + var sourceTypes = types[j].types; + var length_5 = sourceTypes.length; + constituents[j] = sourceTypes[n % length_5]; + n = Math.floor(n / length_5); + } + } + var t = getIntersectionType(constituents); + if (!(t.flags & 131072 /* TypeFlags.Never */)) + intersections.push(t); + } + return intersections; + } + function getTypeFromIntersectionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var aliasSymbol = getAliasSymbolForTypeNode(node); + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode), aliasSymbol, getTypeArgumentsForAliasSymbol(aliasSymbol)); + } + return links.resolvedType; + } + function createIndexType(type, stringsOnly) { + var result = createType(4194304 /* TypeFlags.Index */); + result.type = type; + result.stringsOnly = stringsOnly; + return result; + } + function createOriginIndexType(type) { + var result = createOriginType(4194304 /* TypeFlags.Index */); + result.type = type; + return result; + } + function getIndexTypeForGenericType(type, stringsOnly) { + return stringsOnly ? + type.resolvedStringIndexType || (type.resolvedStringIndexType = createIndexType(type, /*stringsOnly*/ true)) : + type.resolvedIndexType || (type.resolvedIndexType = createIndexType(type, /*stringsOnly*/ false)); + } + /** + * This roughly mirrors `resolveMappedTypeMembers` in the nongeneric case, except only reports a union of the keys calculated, + * rather than manufacturing the properties. We can't just fetch the `constraintType` since that would ignore mappings + * and mapping the `constraintType` directly ignores how mapped types map _properties_ and not keys (thus ignoring subtype + * reduction in the constraintType) when possible. + * @param noIndexSignatures Indicates if _string_ index signatures should be elided. (other index signatures are always reported) + */ + function getIndexTypeForMappedType(type, stringsOnly, noIndexSignatures) { + var typeParameter = getTypeParameterFromMappedType(type); + var constraintType = getConstraintTypeFromMappedType(type); + var nameType = getNameTypeFromMappedType(type.target || type); + if (!nameType && !noIndexSignatures) { + // no mapping and no filtering required, just quickly bail to returning the constraint in the common case + return constraintType; + } + var keyTypes = []; + if (isMappedTypeWithKeyofConstraintDeclaration(type)) { + // We have a { [P in keyof T]: X } + // `getApparentType` on the T in a generic mapped type can trigger a circularity + // (conditionals and `infer` types create a circular dependency in the constraint resolution) + // so we only eagerly manifest the keys if the constraint is nongeneric + if (!isGenericIndexType(constraintType)) { + var modifiersType = getApparentType(getModifiersTypeFromMappedType(type)); // The 'T' in 'keyof T' + forEachMappedTypePropertyKeyTypeAndIndexSignatureKeyType(modifiersType, 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */, stringsOnly, addMemberForKeyType); + } + else { + // we have a generic index and a homomorphic mapping (but a distributive key remapping) - we need to defer the whole `keyof whatever` for later + // since it's not safe to resolve the shape of modifier type + return getIndexTypeForGenericType(type, stringsOnly); + } + } + else { + forEachType(getLowerBoundOfKeyType(constraintType), addMemberForKeyType); + } + if (isGenericIndexType(constraintType)) { // include the generic component in the resulting type + forEachType(constraintType, addMemberForKeyType); + } + // we had to pick apart the constraintType to potentially map/filter it - compare the final resulting list with the original constraintType, + // so we can return the union that preserves aliases/origin data if possible + var result = noIndexSignatures ? filterType(getUnionType(keyTypes), function (t) { return !(t.flags & (1 /* TypeFlags.Any */ | 4 /* TypeFlags.String */)); }) : getUnionType(keyTypes); + if (result.flags & 1048576 /* TypeFlags.Union */ && constraintType.flags & 1048576 /* TypeFlags.Union */ && getTypeListId(result.types) === getTypeListId(constraintType.types)) { + return constraintType; + } + return result; + function addMemberForKeyType(keyType) { + var propNameType = nameType ? instantiateType(nameType, appendTypeMapping(type.mapper, typeParameter, keyType)) : keyType; + // `keyof` currently always returns `string | number` for concrete `string` index signatures - the below ternary keeps that behavior for mapped types + // See `getLiteralTypeFromProperties` where there's a similar ternary to cause the same behavior. + keyTypes.push(propNameType === stringType ? stringOrNumberType : propNameType); + } + } + // Ordinarily we reduce a keyof M, where M is a mapped type { [P in K as N

    ]: X }, to simply N. This however presumes + // that N distributes over union types, i.e. that N is equivalent to N | N | N. Specifically, we only + // want to perform the reduction when the name type of a mapped type is distributive with respect to the type variable + // introduced by the 'in' clause of the mapped type. Note that non-generic types are considered to be distributive because + // they're the same type regardless of what's being distributed over. + function hasDistributiveNameType(mappedType) { + var typeVariable = getTypeParameterFromMappedType(mappedType); + return isDistributive(getNameTypeFromMappedType(mappedType) || typeVariable); + function isDistributive(type) { + return type.flags & (3 /* TypeFlags.AnyOrUnknown */ | 131068 /* TypeFlags.Primitive */ | 131072 /* TypeFlags.Never */ | 262144 /* TypeFlags.TypeParameter */ | 524288 /* TypeFlags.Object */ | 67108864 /* TypeFlags.NonPrimitive */) ? true : + type.flags & 16777216 /* TypeFlags.Conditional */ ? type.root.isDistributive && type.checkType === typeVariable : + type.flags & (3145728 /* TypeFlags.UnionOrIntersection */ | 134217728 /* TypeFlags.TemplateLiteral */) ? ts.every(type.types, isDistributive) : + type.flags & 8388608 /* TypeFlags.IndexedAccess */ ? isDistributive(type.objectType) && isDistributive(type.indexType) : + type.flags & 33554432 /* TypeFlags.Substitution */ ? isDistributive(type.substitute) : + type.flags & 268435456 /* TypeFlags.StringMapping */ ? isDistributive(type.type) : + false; + } + } + function getLiteralTypeFromPropertyName(name) { + if (ts.isPrivateIdentifier(name)) { + return neverType; + } + return ts.isIdentifier(name) ? getStringLiteralType(ts.unescapeLeadingUnderscores(name.escapedText)) : + getRegularTypeOfLiteralType(ts.isComputedPropertyName(name) ? checkComputedPropertyName(name) : checkExpression(name)); + } + function getLiteralTypeFromProperty(prop, include, includeNonPublic) { + if (includeNonPublic || !(ts.getDeclarationModifierFlagsFromSymbol(prop) & 24 /* ModifierFlags.NonPublicAccessibilityModifier */)) { + var type = getSymbolLinks(getLateBoundSymbol(prop)).nameType; + if (!type) { + var name = ts.getNameOfDeclaration(prop.valueDeclaration); + type = prop.escapedName === "default" /* InternalSymbolName.Default */ ? getStringLiteralType("default") : + name && getLiteralTypeFromPropertyName(name) || (!ts.isKnownSymbol(prop) ? getStringLiteralType(ts.symbolName(prop)) : undefined); + } + if (type && type.flags & include) { + return type; + } + } + return neverType; + } + function isKeyTypeIncluded(keyType, include) { + return !!(keyType.flags & include || keyType.flags & 2097152 /* TypeFlags.Intersection */ && ts.some(keyType.types, function (t) { return isKeyTypeIncluded(t, include); })); + } + function getLiteralTypeFromProperties(type, include, includeOrigin) { + var origin = includeOrigin && (ts.getObjectFlags(type) & (3 /* ObjectFlags.ClassOrInterface */ | 4 /* ObjectFlags.Reference */) || type.aliasSymbol) ? createOriginIndexType(type) : undefined; + var propertyTypes = ts.map(getPropertiesOfType(type), function (prop) { return getLiteralTypeFromProperty(prop, include); }); + var indexKeyTypes = ts.map(getIndexInfosOfType(type), function (info) { return info !== enumNumberIndexInfo && isKeyTypeIncluded(info.keyType, include) ? + info.keyType === stringType && include & 8 /* TypeFlags.Number */ ? stringOrNumberType : info.keyType : neverType; }); + return getUnionType(ts.concatenate(propertyTypes, indexKeyTypes), 1 /* UnionReduction.Literal */, + /*aliasSymbol*/ undefined, /*aliasTypeArguments*/ undefined, origin); + } + /** + * A union type which is reducible upon instantiation (meaning some members are removed under certain instantiations) + * must be kept generic, as that instantiation information needs to flow through the type system. By replacing all + * type parameters in the union with a special never type that is treated as a literal in `getReducedType`, we can cause the `getReducedType` logic + * to reduce the resulting type if possible (since only intersections with conflicting literal-typed properties are reducible). + */ + function isPossiblyReducibleByInstantiation(type) { + return ts.some(type.types, function (t) { + var uniqueFilled = getUniqueLiteralFilledInstantiation(t); + return getReducedType(uniqueFilled) !== uniqueFilled; + }); + } + function getIndexType(type, stringsOnly, noIndexSignatures) { + if (stringsOnly === void 0) { stringsOnly = keyofStringsOnly; } + type = getReducedType(type); + return type.flags & 1048576 /* TypeFlags.Union */ ? isPossiblyReducibleByInstantiation(type) + ? getIndexTypeForGenericType(type, stringsOnly) + : getIntersectionType(ts.map(type.types, function (t) { return getIndexType(t, stringsOnly, noIndexSignatures); })) : + type.flags & 2097152 /* TypeFlags.Intersection */ ? getUnionType(ts.map(type.types, function (t) { return getIndexType(t, stringsOnly, noIndexSignatures); })) : + type.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */ || isGenericTupleType(type) || isGenericMappedType(type) && !hasDistributiveNameType(type) ? getIndexTypeForGenericType(type, stringsOnly) : + ts.getObjectFlags(type) & 32 /* ObjectFlags.Mapped */ ? getIndexTypeForMappedType(type, stringsOnly, noIndexSignatures) : + type === wildcardType ? wildcardType : + type.flags & 2 /* TypeFlags.Unknown */ ? neverType : + type.flags & (1 /* TypeFlags.Any */ | 131072 /* TypeFlags.Never */) ? keyofConstraintType : + getLiteralTypeFromProperties(type, (noIndexSignatures ? 128 /* TypeFlags.StringLiteral */ : 402653316 /* TypeFlags.StringLike */) | (stringsOnly ? 0 : 296 /* TypeFlags.NumberLike */ | 12288 /* TypeFlags.ESSymbolLike */), stringsOnly === keyofStringsOnly && !noIndexSignatures); + } + function getExtractStringType(type) { + if (keyofStringsOnly) { + return type; + } + var extractTypeAlias = getGlobalExtractSymbol(); + return extractTypeAlias ? getTypeAliasInstantiation(extractTypeAlias, [type, stringType]) : stringType; + } + function getIndexTypeOrString(type) { + var indexType = getExtractStringType(getIndexType(type)); + return indexType.flags & 131072 /* TypeFlags.Never */ ? stringType : indexType; + } + function getTypeFromTypeOperatorNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + switch (node.operator) { + case 140 /* SyntaxKind.KeyOfKeyword */: + links.resolvedType = getIndexType(getTypeFromTypeNode(node.type)); + break; + case 154 /* SyntaxKind.UniqueKeyword */: + links.resolvedType = node.type.kind === 151 /* SyntaxKind.SymbolKeyword */ + ? getESSymbolLikeTypeForNode(ts.walkUpParenthesizedTypes(node.parent)) + : errorType; + break; + case 145 /* SyntaxKind.ReadonlyKeyword */: + links.resolvedType = getTypeFromTypeNode(node.type); + break; + default: + throw ts.Debug.assertNever(node.operator); + } + } + return links.resolvedType; + } + function getTypeFromTemplateTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getTemplateLiteralType(__spreadArray([node.head.text], ts.map(node.templateSpans, function (span) { return span.literal.text; }), true), ts.map(node.templateSpans, function (span) { return getTypeFromTypeNode(span.type); })); + } + return links.resolvedType; + } + function getTemplateLiteralType(texts, types) { + var unionIndex = ts.findIndex(types, function (t) { return !!(t.flags & (131072 /* TypeFlags.Never */ | 1048576 /* TypeFlags.Union */)); }); + if (unionIndex >= 0) { + return checkCrossProductUnion(types) ? + mapType(types[unionIndex], function (t) { return getTemplateLiteralType(texts, ts.replaceElement(types, unionIndex, t)); }) : + errorType; + } + if (ts.contains(types, wildcardType)) { + return wildcardType; + } + var newTypes = []; + var newTexts = []; + var text = texts[0]; + if (!addSpans(texts, types)) { + return stringType; + } + if (newTypes.length === 0) { + return getStringLiteralType(text); + } + newTexts.push(text); + if (ts.every(newTexts, function (t) { return t === ""; }) && ts.every(newTypes, function (t) { return !!(t.flags & 4 /* TypeFlags.String */); })) { + return stringType; + } + var id = "".concat(getTypeListId(newTypes), "|").concat(ts.map(newTexts, function (t) { return t.length; }).join(","), "|").concat(newTexts.join("")); + var type = templateLiteralTypes.get(id); + if (!type) { + templateLiteralTypes.set(id, type = createTemplateLiteralType(newTexts, newTypes)); + } + return type; + function addSpans(texts, types) { + var isTextsArray = ts.isArray(texts); + for (var i = 0; i < types.length; i++) { + var t = types[i]; + var addText = isTextsArray ? texts[i + 1] : texts; + if (t.flags & (2944 /* TypeFlags.Literal */ | 65536 /* TypeFlags.Null */ | 32768 /* TypeFlags.Undefined */)) { + text += getTemplateStringForType(t) || ""; + text += addText; + if (!isTextsArray) + return true; + } + else if (t.flags & 134217728 /* TypeFlags.TemplateLiteral */) { + text += t.texts[0]; + if (!addSpans(t.texts, t.types)) + return false; + text += addText; + if (!isTextsArray) + return true; + } + else if (isGenericIndexType(t) || isPatternLiteralPlaceholderType(t)) { + newTypes.push(t); + newTexts.push(text); + text = addText; + } + else if (t.flags & 2097152 /* TypeFlags.Intersection */) { + var added = addSpans(texts[i + 1], t.types); + if (!added) + return false; + } + else if (isTextsArray) { + return false; + } + } + return true; + } + } + function getTemplateStringForType(type) { + return type.flags & 128 /* TypeFlags.StringLiteral */ ? type.value : + type.flags & 256 /* TypeFlags.NumberLiteral */ ? "" + type.value : + type.flags & 2048 /* TypeFlags.BigIntLiteral */ ? ts.pseudoBigIntToString(type.value) : + type.flags & (512 /* TypeFlags.BooleanLiteral */ | 98304 /* TypeFlags.Nullable */) ? type.intrinsicName : + undefined; + } + function createTemplateLiteralType(texts, types) { + var type = createType(134217728 /* TypeFlags.TemplateLiteral */); + type.texts = texts; + type.types = types; + return type; + } + function getStringMappingType(symbol, type) { + return type.flags & (1048576 /* TypeFlags.Union */ | 131072 /* TypeFlags.Never */) ? mapType(type, function (t) { return getStringMappingType(symbol, t); }) : + isGenericIndexType(type) ? getStringMappingTypeForGenericType(symbol, type) : + type.flags & 128 /* TypeFlags.StringLiteral */ ? getStringLiteralType(applyStringMapping(symbol, type.value)) : + type; + } + function applyStringMapping(symbol, str) { + switch (intrinsicTypeKinds.get(symbol.escapedName)) { + case 0 /* IntrinsicTypeKind.Uppercase */: return str.toUpperCase(); + case 1 /* IntrinsicTypeKind.Lowercase */: return str.toLowerCase(); + case 2 /* IntrinsicTypeKind.Capitalize */: return str.charAt(0).toUpperCase() + str.slice(1); + case 3 /* IntrinsicTypeKind.Uncapitalize */: return str.charAt(0).toLowerCase() + str.slice(1); + } + return str; + } + function getStringMappingTypeForGenericType(symbol, type) { + var id = "".concat(getSymbolId(symbol), ",").concat(getTypeId(type)); + var result = stringMappingTypes.get(id); + if (!result) { + stringMappingTypes.set(id, result = createStringMappingType(symbol, type)); + } + return result; + } + function createStringMappingType(symbol, type) { + var result = createType(268435456 /* TypeFlags.StringMapping */); + result.symbol = symbol; + result.type = type; + return result; + } + function createIndexedAccessType(objectType, indexType, accessFlags, aliasSymbol, aliasTypeArguments) { + var type = createType(8388608 /* TypeFlags.IndexedAccess */); + type.objectType = objectType; + type.indexType = indexType; + type.accessFlags = accessFlags; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + return type; + } + /** + * Returns if a type is or consists of a JSLiteral object type + * In addition to objects which are directly literals, + * * unions where every element is a jsliteral + * * intersections where at least one element is a jsliteral + * * and instantiable types constrained to a jsliteral + * Should all count as literals and not print errors on access or assignment of possibly existing properties. + * This mirrors the behavior of the index signature propagation, to which this behaves similarly (but doesn't affect assignability or inference). + */ + function isJSLiteralType(type) { + if (noImplicitAny) { + return false; // Flag is meaningless under `noImplicitAny` mode + } + if (ts.getObjectFlags(type) & 4096 /* ObjectFlags.JSLiteral */) { + return true; + } + if (type.flags & 1048576 /* TypeFlags.Union */) { + return ts.every(type.types, isJSLiteralType); + } + if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return ts.some(type.types, isJSLiteralType); + } + if (type.flags & 465829888 /* TypeFlags.Instantiable */) { + var constraint = getResolvedBaseConstraint(type); + return constraint !== type && isJSLiteralType(constraint); + } + return false; + } + function getPropertyNameFromIndex(indexType, accessNode) { + return isTypeUsableAsPropertyName(indexType) ? + getPropertyNameFromType(indexType) : + accessNode && ts.isPropertyName(accessNode) ? + // late bound names are handled in the first branch, so here we only need to handle normal names + ts.getPropertyNameForPropertyNameNode(accessNode) : + undefined; + } + function isUncalledFunctionReference(node, symbol) { + if (symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */)) { + var parent = ts.findAncestor(node.parent, function (n) { return !ts.isAccessExpression(n); }) || node.parent; + if (ts.isCallLikeExpression(parent)) { + return ts.isCallOrNewExpression(parent) && ts.isIdentifier(node) && hasMatchingArgument(parent, node); + } + return ts.every(symbol.declarations, function (d) { return !ts.isFunctionLike(d) || !!(ts.getCombinedNodeFlags(d) & 268435456 /* NodeFlags.Deprecated */); }); + } + return true; + } + function getPropertyTypeForIndexType(originalObjectType, objectType, indexType, fullIndexType, accessNode, accessFlags) { + var _a; + var accessExpression = accessNode && accessNode.kind === 207 /* SyntaxKind.ElementAccessExpression */ ? accessNode : undefined; + var propName = accessNode && ts.isPrivateIdentifier(accessNode) ? undefined : getPropertyNameFromIndex(indexType, accessNode); + if (propName !== undefined) { + if (accessFlags & 256 /* AccessFlags.Contextual */) { + return getTypeOfPropertyOfContextualType(objectType, propName) || anyType; + } + var prop = getPropertyOfType(objectType, propName); + if (prop) { + if (accessFlags & 64 /* AccessFlags.ReportDeprecated */ && accessNode && prop.declarations && isDeprecatedSymbol(prop) && isUncalledFunctionReference(accessNode, prop)) { + var deprecatedNode = (_a = accessExpression === null || accessExpression === void 0 ? void 0 : accessExpression.argumentExpression) !== null && _a !== void 0 ? _a : (ts.isIndexedAccessTypeNode(accessNode) ? accessNode.indexType : accessNode); + addDeprecatedSuggestion(deprecatedNode, prop.declarations, propName); + } + if (accessExpression) { + markPropertyAsReferenced(prop, accessExpression, isSelfTypeAccess(accessExpression.expression, objectType.symbol)); + if (isAssignmentToReadonlyEntity(accessExpression, prop, ts.getAssignmentTargetKind(accessExpression))) { + error(accessExpression.argumentExpression, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_read_only_property, symbolToString(prop)); + return undefined; + } + if (accessFlags & 8 /* AccessFlags.CacheSymbol */) { + getNodeLinks(accessNode).resolvedSymbol = prop; + } + if (isThisPropertyAccessInConstructor(accessExpression, prop)) { + return autoType; + } + } + var propType = getTypeOfSymbol(prop); + return accessExpression && ts.getAssignmentTargetKind(accessExpression) !== 1 /* AssignmentKind.Definite */ ? + getFlowTypeOfReference(accessExpression, propType) : + propType; + } + if (everyType(objectType, isTupleType) && ts.isNumericLiteralName(propName) && +propName >= 0) { + if (accessNode && everyType(objectType, function (t) { return !t.target.hasRestElement; }) && !(accessFlags & 16 /* AccessFlags.NoTupleBoundsCheck */)) { + var indexNode = getIndexNodeForAccessExpression(accessNode); + if (isTupleType(objectType)) { + error(indexNode, ts.Diagnostics.Tuple_type_0_of_length_1_has_no_element_at_index_2, typeToString(objectType), getTypeReferenceArity(objectType), ts.unescapeLeadingUnderscores(propName)); + } + else { + error(indexNode, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(propName), typeToString(objectType)); + } + } + errorIfWritingToReadonlyIndex(getIndexInfoOfType(objectType, numberType)); + return mapType(objectType, function (t) { + var restType = getRestTypeOfTupleType(t) || undefinedType; + return accessFlags & 1 /* AccessFlags.IncludeUndefined */ ? getUnionType([restType, undefinedType]) : restType; + }); + } + } + if (!(indexType.flags & 98304 /* TypeFlags.Nullable */) && isTypeAssignableToKind(indexType, 402653316 /* TypeFlags.StringLike */ | 296 /* TypeFlags.NumberLike */ | 12288 /* TypeFlags.ESSymbolLike */)) { + if (objectType.flags & (1 /* TypeFlags.Any */ | 131072 /* TypeFlags.Never */)) { + return objectType; + } + // If no index signature is applicable, we default to the string index signature. In effect, this means the string + // index signature applies even when accessing with a symbol-like type. + var indexInfo = getApplicableIndexInfo(objectType, indexType) || getIndexInfoOfType(objectType, stringType); + if (indexInfo) { + if (accessFlags & 2 /* AccessFlags.NoIndexSignatures */ && indexInfo.keyType !== numberType) { + if (accessExpression) { + error(accessExpression, ts.Diagnostics.Type_0_cannot_be_used_to_index_type_1, typeToString(indexType), typeToString(originalObjectType)); + } + return undefined; + } + if (accessNode && indexInfo.keyType === stringType && !isTypeAssignableToKind(indexType, 4 /* TypeFlags.String */ | 8 /* TypeFlags.Number */)) { + var indexNode = getIndexNodeForAccessExpression(accessNode); + error(indexNode, ts.Diagnostics.Type_0_cannot_be_used_as_an_index_type, typeToString(indexType)); + return accessFlags & 1 /* AccessFlags.IncludeUndefined */ ? getUnionType([indexInfo.type, undefinedType]) : indexInfo.type; + } + errorIfWritingToReadonlyIndex(indexInfo); + return accessFlags & 1 /* AccessFlags.IncludeUndefined */ ? getUnionType([indexInfo.type, undefinedType]) : indexInfo.type; + } + if (indexType.flags & 131072 /* TypeFlags.Never */) { + return neverType; + } + if (isJSLiteralType(objectType)) { + return anyType; + } + if (accessExpression && !isConstEnumObjectType(objectType)) { + if (isObjectLiteralType(objectType)) { + if (noImplicitAny && indexType.flags & (128 /* TypeFlags.StringLiteral */ | 256 /* TypeFlags.NumberLiteral */)) { + diagnostics.add(ts.createDiagnosticForNode(accessExpression, ts.Diagnostics.Property_0_does_not_exist_on_type_1, indexType.value, typeToString(objectType))); + return undefinedType; + } + else if (indexType.flags & (8 /* TypeFlags.Number */ | 4 /* TypeFlags.String */)) { + var types = ts.map(objectType.properties, function (property) { + return getTypeOfSymbol(property); + }); + return getUnionType(ts.append(types, undefinedType)); + } + } + if (objectType.symbol === globalThisSymbol && propName !== undefined && globalThisSymbol.exports.has(propName) && (globalThisSymbol.exports.get(propName).flags & 418 /* SymbolFlags.BlockScoped */)) { + error(accessExpression, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(propName), typeToString(objectType)); + } + else if (noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !(accessFlags & 128 /* AccessFlags.SuppressNoImplicitAnyError */)) { + if (propName !== undefined && typeHasStaticProperty(propName, objectType)) { + var typeName = typeToString(objectType); + error(accessExpression, ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_to_access_the_static_member_2_instead, propName, typeName, typeName + "[" + ts.getTextOfNode(accessExpression.argumentExpression) + "]"); + } + else if (getIndexTypeOfType(objectType, numberType)) { + error(accessExpression.argumentExpression, ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number); + } + else { + var suggestion = void 0; + if (propName !== undefined && (suggestion = getSuggestionForNonexistentProperty(propName, objectType))) { + if (suggestion !== undefined) { + error(accessExpression.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2, propName, typeToString(objectType), suggestion); + } + } + else { + var suggestion_1 = getSuggestionForNonexistentIndexSignature(objectType, accessExpression, indexType); + if (suggestion_1 !== undefined) { + error(accessExpression, ts.Diagnostics.Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_Did_you_mean_to_call_1, typeToString(objectType), suggestion_1); + } + else { + var errorInfo = void 0; + if (indexType.flags & 1024 /* TypeFlags.EnumLiteral */) { + errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, "[" + typeToString(indexType) + "]", typeToString(objectType)); + } + else if (indexType.flags & 8192 /* TypeFlags.UniqueESSymbol */) { + var symbolName_2 = getFullyQualifiedName(indexType.symbol, accessExpression); + errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, "[" + symbolName_2 + "]", typeToString(objectType)); + } + else if (indexType.flags & 128 /* TypeFlags.StringLiteral */) { + errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, indexType.value, typeToString(objectType)); + } + else if (indexType.flags & 256 /* TypeFlags.NumberLiteral */) { + errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, indexType.value, typeToString(objectType)); + } + else if (indexType.flags & (8 /* TypeFlags.Number */ | 4 /* TypeFlags.String */)) { + errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1, typeToString(indexType), typeToString(objectType)); + } + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1, typeToString(fullIndexType), typeToString(objectType)); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(accessExpression, errorInfo)); + } + } + } + } + return undefined; + } + } + if (isJSLiteralType(objectType)) { + return anyType; + } + if (accessNode) { + var indexNode = getIndexNodeForAccessExpression(accessNode); + if (indexType.flags & (128 /* TypeFlags.StringLiteral */ | 256 /* TypeFlags.NumberLiteral */)) { + error(indexNode, ts.Diagnostics.Property_0_does_not_exist_on_type_1, "" + indexType.value, typeToString(objectType)); + } + else if (indexType.flags & (4 /* TypeFlags.String */ | 8 /* TypeFlags.Number */)) { + error(indexNode, ts.Diagnostics.Type_0_has_no_matching_index_signature_for_type_1, typeToString(objectType), typeToString(indexType)); + } + else { + error(indexNode, ts.Diagnostics.Type_0_cannot_be_used_as_an_index_type, typeToString(indexType)); + } + } + if (isTypeAny(indexType)) { + return indexType; + } + return undefined; + function errorIfWritingToReadonlyIndex(indexInfo) { + if (indexInfo && indexInfo.isReadonly && accessExpression && (ts.isAssignmentTarget(accessExpression) || ts.isDeleteTarget(accessExpression))) { + error(accessExpression, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(objectType)); + } + } + } + function getIndexNodeForAccessExpression(accessNode) { + return accessNode.kind === 207 /* SyntaxKind.ElementAccessExpression */ ? accessNode.argumentExpression : + accessNode.kind === 194 /* SyntaxKind.IndexedAccessType */ ? accessNode.indexType : + accessNode.kind === 162 /* SyntaxKind.ComputedPropertyName */ ? accessNode.expression : + accessNode; + } + function isPatternLiteralPlaceholderType(type) { + return !!(type.flags & (1 /* TypeFlags.Any */ | 4 /* TypeFlags.String */ | 8 /* TypeFlags.Number */ | 64 /* TypeFlags.BigInt */)); + } + function isPatternLiteralType(type) { + return !!(type.flags & 134217728 /* TypeFlags.TemplateLiteral */) && ts.every(type.types, isPatternLiteralPlaceholderType); + } + function isGenericType(type) { + return !!getGenericObjectFlags(type); + } + function isGenericObjectType(type) { + return !!(getGenericObjectFlags(type) & 4194304 /* ObjectFlags.IsGenericObjectType */); + } + function isGenericIndexType(type) { + return !!(getGenericObjectFlags(type) & 8388608 /* ObjectFlags.IsGenericIndexType */); + } + function getGenericObjectFlags(type) { + if (type.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + if (!(type.objectFlags & 2097152 /* ObjectFlags.IsGenericTypeComputed */)) { + type.objectFlags |= 2097152 /* ObjectFlags.IsGenericTypeComputed */ | + ts.reduceLeft(type.types, function (flags, t) { return flags | getGenericObjectFlags(t); }, 0); + } + return type.objectFlags & 12582912 /* ObjectFlags.IsGenericType */; + } + if (type.flags & 33554432 /* TypeFlags.Substitution */) { + if (!(type.objectFlags & 2097152 /* ObjectFlags.IsGenericTypeComputed */)) { + type.objectFlags |= 2097152 /* ObjectFlags.IsGenericTypeComputed */ | + getGenericObjectFlags(type.substitute) | getGenericObjectFlags(type.baseType); + } + return type.objectFlags & 12582912 /* ObjectFlags.IsGenericType */; + } + return (type.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */ || isGenericMappedType(type) || isGenericTupleType(type) ? 4194304 /* ObjectFlags.IsGenericObjectType */ : 0) | + (type.flags & (58982400 /* TypeFlags.InstantiableNonPrimitive */ | 4194304 /* TypeFlags.Index */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) && !isPatternLiteralType(type) ? 8388608 /* ObjectFlags.IsGenericIndexType */ : 0); + } + function getSimplifiedType(type, writing) { + return type.flags & 8388608 /* TypeFlags.IndexedAccess */ ? getSimplifiedIndexedAccessType(type, writing) : + type.flags & 16777216 /* TypeFlags.Conditional */ ? getSimplifiedConditionalType(type, writing) : + type; + } + function distributeIndexOverObjectType(objectType, indexType, writing) { + // (T | U)[K] -> T[K] | U[K] (reading) + // (T | U)[K] -> T[K] & U[K] (writing) + // (T & U)[K] -> T[K] & U[K] + if (objectType.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + var types = ts.map(objectType.types, function (t) { return getSimplifiedType(getIndexedAccessType(t, indexType), writing); }); + return objectType.flags & 2097152 /* TypeFlags.Intersection */ || writing ? getIntersectionType(types) : getUnionType(types); + } + } + function distributeObjectOverIndexType(objectType, indexType, writing) { + // T[A | B] -> T[A] | T[B] (reading) + // T[A | B] -> T[A] & T[B] (writing) + if (indexType.flags & 1048576 /* TypeFlags.Union */) { + var types = ts.map(indexType.types, function (t) { return getSimplifiedType(getIndexedAccessType(objectType, t), writing); }); + return writing ? getIntersectionType(types) : getUnionType(types); + } + } + // Transform an indexed access to a simpler form, if possible. Return the simpler form, or return + // the type itself if no transformation is possible. The writing flag indicates that the type is + // the target of an assignment. + function getSimplifiedIndexedAccessType(type, writing) { + var cache = writing ? "simplifiedForWriting" : "simplifiedForReading"; + if (type[cache]) { + return type[cache] === circularConstraintType ? type : type[cache]; + } + type[cache] = circularConstraintType; + // We recursively simplify the object type as it may in turn be an indexed access type. For example, with + // '{ [P in T]: { [Q in U]: number } }[T][U]' we want to first simplify the inner indexed access type. + var objectType = getSimplifiedType(type.objectType, writing); + var indexType = getSimplifiedType(type.indexType, writing); + // T[A | B] -> T[A] | T[B] (reading) + // T[A | B] -> T[A] & T[B] (writing) + var distributedOverIndex = distributeObjectOverIndexType(objectType, indexType, writing); + if (distributedOverIndex) { + return type[cache] = distributedOverIndex; + } + // Only do the inner distributions if the index can no longer be instantiated to cause index distribution again + if (!(indexType.flags & 465829888 /* TypeFlags.Instantiable */)) { + // (T | U)[K] -> T[K] | U[K] (reading) + // (T | U)[K] -> T[K] & U[K] (writing) + // (T & U)[K] -> T[K] & U[K] + var distributedOverObject = distributeIndexOverObjectType(objectType, indexType, writing); + if (distributedOverObject) { + return type[cache] = distributedOverObject; + } + } + // So ultimately (reading): + // ((A & B) | C)[K1 | K2] -> ((A & B) | C)[K1] | ((A & B) | C)[K2] -> (A & B)[K1] | C[K1] | (A & B)[K2] | C[K2] -> (A[K1] & B[K1]) | C[K1] | (A[K2] & B[K2]) | C[K2] + // A generic tuple type indexed by a number exists only when the index type doesn't select a + // fixed element. We simplify to either the combined type of all elements (when the index type + // the actual number type) or to the combined type of all non-fixed elements. + if (isGenericTupleType(objectType) && indexType.flags & 296 /* TypeFlags.NumberLike */) { + var elementType = getElementTypeOfSliceOfTupleType(objectType, indexType.flags & 8 /* TypeFlags.Number */ ? 0 : objectType.target.fixedLength, /*endSkipCount*/ 0, writing); + if (elementType) { + return type[cache] = elementType; + } + } + // If the object type is a mapped type { [P in K]: E }, where K is generic, or { [P in K as N]: E }, where + // K is generic and N is assignable to P, instantiate E using a mapper that substitutes the index type for P. + // For example, for an index access { [P in K]: Box }[X], we construct the type Box. + if (isGenericMappedType(objectType)) { + var nameType = getNameTypeFromMappedType(objectType); + if (!nameType || isTypeAssignableTo(nameType, getTypeParameterFromMappedType(objectType))) { + return type[cache] = mapType(substituteIndexedMappedType(objectType, type.indexType), function (t) { return getSimplifiedType(t, writing); }); + } + } + return type[cache] = type; + } + function getSimplifiedConditionalType(type, writing) { + var checkType = type.checkType; + var extendsType = type.extendsType; + var trueType = getTrueTypeFromConditionalType(type); + var falseType = getFalseTypeFromConditionalType(type); + // Simplifications for types of the form `T extends U ? T : never` and `T extends U ? never : T`. + if (falseType.flags & 131072 /* TypeFlags.Never */ && getActualTypeVariable(trueType) === getActualTypeVariable(checkType)) { + if (checkType.flags & 1 /* TypeFlags.Any */ || isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(extendsType))) { // Always true + return getSimplifiedType(trueType, writing); + } + else if (isIntersectionEmpty(checkType, extendsType)) { // Always false + return neverType; + } + } + else if (trueType.flags & 131072 /* TypeFlags.Never */ && getActualTypeVariable(falseType) === getActualTypeVariable(checkType)) { + if (!(checkType.flags & 1 /* TypeFlags.Any */) && isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(extendsType))) { // Always true + return neverType; + } + else if (checkType.flags & 1 /* TypeFlags.Any */ || isIntersectionEmpty(checkType, extendsType)) { // Always false + return getSimplifiedType(falseType, writing); + } + } + return type; + } + /** + * Invokes union simplification logic to determine if an intersection is considered empty as a union constituent + */ + function isIntersectionEmpty(type1, type2) { + return !!(getUnionType([intersectTypes(type1, type2), neverType]).flags & 131072 /* TypeFlags.Never */); + } + function substituteIndexedMappedType(objectType, index) { + var mapper = createTypeMapper([getTypeParameterFromMappedType(objectType)], [index]); + var templateMapper = combineTypeMappers(objectType.mapper, mapper); + return instantiateType(getTemplateTypeFromMappedType(objectType), templateMapper); + } + function getIndexedAccessType(objectType, indexType, accessFlags, accessNode, aliasSymbol, aliasTypeArguments) { + if (accessFlags === void 0) { accessFlags = 0 /* AccessFlags.None */; } + return getIndexedAccessTypeOrUndefined(objectType, indexType, accessFlags, accessNode, aliasSymbol, aliasTypeArguments) || (accessNode ? errorType : unknownType); + } + function indexTypeLessThan(indexType, limit) { + return everyType(indexType, function (t) { + if (t.flags & 384 /* TypeFlags.StringOrNumberLiteral */) { + var propName = getPropertyNameFromType(t); + if (ts.isNumericLiteralName(propName)) { + var index = +propName; + return index >= 0 && index < limit; + } + } + return false; + }); + } + function getIndexedAccessTypeOrUndefined(objectType, indexType, accessFlags, accessNode, aliasSymbol, aliasTypeArguments) { + if (accessFlags === void 0) { accessFlags = 0 /* AccessFlags.None */; } + if (objectType === wildcardType || indexType === wildcardType) { + return wildcardType; + } + // If the object type has a string index signature and no other members we know that the result will + // always be the type of that index signature and we can simplify accordingly. + if (isStringIndexSignatureOnlyType(objectType) && !(indexType.flags & 98304 /* TypeFlags.Nullable */) && isTypeAssignableToKind(indexType, 4 /* TypeFlags.String */ | 8 /* TypeFlags.Number */)) { + indexType = stringType; + } + // In noUncheckedIndexedAccess mode, indexed access operations that occur in an expression in a read position and resolve to + // an index signature have 'undefined' included in their type. + if (compilerOptions.noUncheckedIndexedAccess && accessFlags & 32 /* AccessFlags.ExpressionPosition */) + accessFlags |= 1 /* AccessFlags.IncludeUndefined */; + // If the index type is generic, or if the object type is generic and doesn't originate in an expression and + // the operation isn't exclusively indexing the fixed (non-variadic) portion of a tuple type, we are performing + // a higher-order index access where we cannot meaningfully access the properties of the object type. Note that + // for a generic T and a non-generic K, we eagerly resolve T[K] if it originates in an expression. This is to + // preserve backwards compatibility. For example, an element access 'this["foo"]' has always been resolved + // eagerly using the constraint type of 'this' at the given location. + if (isGenericIndexType(indexType) || (accessNode && accessNode.kind !== 194 /* SyntaxKind.IndexedAccessType */ ? + isGenericTupleType(objectType) && !indexTypeLessThan(indexType, objectType.target.fixedLength) : + isGenericObjectType(objectType) && !(isTupleType(objectType) && indexTypeLessThan(indexType, objectType.target.fixedLength)))) { + if (objectType.flags & 3 /* TypeFlags.AnyOrUnknown */) { + return objectType; + } + // Defer the operation by creating an indexed access type. + var persistentAccessFlags = accessFlags & 1 /* AccessFlags.Persistent */; + var id = objectType.id + "," + indexType.id + "," + persistentAccessFlags + getAliasId(aliasSymbol, aliasTypeArguments); + var type = indexedAccessTypes.get(id); + if (!type) { + indexedAccessTypes.set(id, type = createIndexedAccessType(objectType, indexType, persistentAccessFlags, aliasSymbol, aliasTypeArguments)); + } + return type; + } + // In the following we resolve T[K] to the type of the property in T selected by K. + // We treat boolean as different from other unions to improve errors; + // skipping straight to getPropertyTypeForIndexType gives errors with 'boolean' instead of 'true'. + var apparentObjectType = getReducedApparentType(objectType); + if (indexType.flags & 1048576 /* TypeFlags.Union */ && !(indexType.flags & 16 /* TypeFlags.Boolean */)) { + var propTypes = []; + var wasMissingProp = false; + for (var _i = 0, _a = indexType.types; _i < _a.length; _i++) { + var t = _a[_i]; + var propType = getPropertyTypeForIndexType(objectType, apparentObjectType, t, indexType, accessNode, accessFlags | (wasMissingProp ? 128 /* AccessFlags.SuppressNoImplicitAnyError */ : 0)); + if (propType) { + propTypes.push(propType); + } + else if (!accessNode) { + // If there's no error node, we can immeditely stop, since error reporting is off + return undefined; + } + else { + // Otherwise we set a flag and return at the end of the loop so we still mark all errors + wasMissingProp = true; + } + } + if (wasMissingProp) { + return undefined; + } + return accessFlags & 4 /* AccessFlags.Writing */ + ? getIntersectionType(propTypes, aliasSymbol, aliasTypeArguments) + : getUnionType(propTypes, 1 /* UnionReduction.Literal */, aliasSymbol, aliasTypeArguments); + } + return getPropertyTypeForIndexType(objectType, apparentObjectType, indexType, indexType, accessNode, accessFlags | 8 /* AccessFlags.CacheSymbol */ | 64 /* AccessFlags.ReportDeprecated */); + } + function getTypeFromIndexedAccessTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var objectType = getTypeFromTypeNode(node.objectType); + var indexType = getTypeFromTypeNode(node.indexType); + var potentialAlias = getAliasSymbolForTypeNode(node); + var resolved = getIndexedAccessType(objectType, indexType, 0 /* AccessFlags.None */, node, potentialAlias, getTypeArgumentsForAliasSymbol(potentialAlias)); + links.resolvedType = resolved.flags & 8388608 /* TypeFlags.IndexedAccess */ && + resolved.objectType === objectType && + resolved.indexType === indexType ? + getConditionalFlowTypeOfType(resolved, node) : resolved; + } + return links.resolvedType; + } + function getTypeFromMappedTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = createObjectType(32 /* ObjectFlags.Mapped */, node.symbol); + type.declaration = node; + type.aliasSymbol = getAliasSymbolForTypeNode(node); + type.aliasTypeArguments = getTypeArgumentsForAliasSymbol(type.aliasSymbol); + links.resolvedType = type; + // Eagerly resolve the constraint type which forces an error if the constraint type circularly + // references itself through one or more type aliases. + getConstraintTypeFromMappedType(type); + } + return links.resolvedType; + } + function getActualTypeVariable(type) { + if (type.flags & 33554432 /* TypeFlags.Substitution */) { + return type.baseType; + } + if (type.flags & 8388608 /* TypeFlags.IndexedAccess */ && (type.objectType.flags & 33554432 /* TypeFlags.Substitution */ || + type.indexType.flags & 33554432 /* TypeFlags.Substitution */)) { + return getIndexedAccessType(getActualTypeVariable(type.objectType), getActualTypeVariable(type.indexType)); + } + return type; + } + function maybeCloneTypeParameter(p) { + var constraint = getConstraintOfTypeParameter(p); + return constraint && (isGenericObjectType(constraint) || isGenericIndexType(constraint)) ? cloneTypeParameter(p) : p; + } + function isTypicalNondistributiveConditional(root) { + return !root.isDistributive && isSingletonTupleType(root.node.checkType) && isSingletonTupleType(root.node.extendsType); + } + function isSingletonTupleType(node) { + return ts.isTupleTypeNode(node) && + ts.length(node.elements) === 1 && + !ts.isOptionalTypeNode(node.elements[0]) && + !ts.isRestTypeNode(node.elements[0]) && + !(ts.isNamedTupleMember(node.elements[0]) && (node.elements[0].questionToken || node.elements[0].dotDotDotToken)); + } + /** + * We syntactually check for common nondistributive conditional shapes and unwrap them into + * the intended comparison - we do this so we can check if the unwrapped types are generic or + * not and appropriately defer condition calculation + */ + function unwrapNondistributiveConditionalTuple(root, type) { + return isTypicalNondistributiveConditional(root) && isTupleType(type) ? getTypeArguments(type)[0] : type; + } + function getConditionalType(root, mapper, aliasSymbol, aliasTypeArguments) { + var result; + var extraTypes; + var tailCount = 0; + var _loop_18 = function () { + if (tailCount === 1000) { + error(currentNode, ts.Diagnostics.Type_instantiation_is_excessively_deep_and_possibly_infinite); + result = errorType; + return "break"; + } + var isUnwrapped = isTypicalNondistributiveConditional(root); + var checkType = instantiateType(unwrapNondistributiveConditionalTuple(root, getActualTypeVariable(root.checkType)), mapper); + var checkTypeInstantiable = isGenericType(checkType); + var extendsType = instantiateType(unwrapNondistributiveConditionalTuple(root, root.extendsType), mapper); + if (checkType === wildcardType || extendsType === wildcardType) { + return { value: wildcardType }; + } + var combinedMapper = void 0; + if (root.inferTypeParameters) { + // When we're looking at making an inference for an infer type, when we get its constraint, it'll automagically be + // instantiated with the context, so it doesn't need the mapper for the inference contex - however the constraint + // may refer to another _root_, _uncloned_ `infer` type parameter [1], or to something mapped by `mapper` [2]. + // [1] Eg, if we have `Foo` and `Foo` - `B` is constrained to `T`, which, in turn, has been instantiated + // as `number` + // Conversely, if we have `Foo`, `B` is still constrained to `T` and `T` is instantiated as `A` + // [2] Eg, if we have `Foo` and `Foo` where `Q` is mapped by `mapper` into `number` - `B` is constrained to `T` + // which is in turn instantiated as `Q`, which is in turn instantiated as `number`. + // So we need to: + // * Clone the type parameters so their constraints can be instantiated in the context of `mapper` (otherwise theyd only get inference context information) + // * Set the clones to both map the conditional's enclosing `mapper` and the original params + // * instantiate the extends type with the clones + // * incorporate all of the component mappers into the combined mapper for the true and false members + // This means we have three mappers that need applying: + // * The original `mapper` used to create this conditional + // * The mapper that maps the old root type parameter to the clone (`freshMapper`) + // * The mapper that maps the clone to its inference result (`context.mapper`) + var freshParams = ts.sameMap(root.inferTypeParameters, maybeCloneTypeParameter); + var freshMapper = freshParams !== root.inferTypeParameters ? createTypeMapper(root.inferTypeParameters, freshParams) : undefined; + var context = createInferenceContext(freshParams, /*signature*/ undefined, 0 /* InferenceFlags.None */); + if (freshMapper) { + var freshCombinedMapper = combineTypeMappers(mapper, freshMapper); + for (var _i = 0, freshParams_1 = freshParams; _i < freshParams_1.length; _i++) { + var p = freshParams_1[_i]; + if (root.inferTypeParameters.indexOf(p) === -1) { + p.mapper = freshCombinedMapper; + } + } + } + // We skip inference of the possible `infer` types unles the `extendsType` _is_ an infer type + // if it was, it's trivial to say that extendsType = checkType, however such a pattern is used to + // "reset" the type being build up during constraint calculation and avoid making an apparently "infinite" constraint + // so in those cases we refain from performing inference and retain the uninfered type parameter + if (!checkTypeInstantiable || !ts.some(root.inferTypeParameters, function (t) { return t === extendsType; })) { + // We don't want inferences from constraints as they may cause us to eagerly resolve the + // conditional type instead of deferring resolution. Also, we always want strict function + // types rules (i.e. proper contravariance) for inferences. + inferTypes(context.inferences, checkType, instantiateType(extendsType, freshMapper), 512 /* InferencePriority.NoConstraints */ | 1024 /* InferencePriority.AlwaysStrict */); + } + var innerMapper = combineTypeMappers(freshMapper, context.mapper); + // It's possible for 'infer T' type paramteters to be given uninstantiated constraints when the + // those type parameters are used in type references (see getInferredTypeParameterConstraint). For + // that reason we need context.mapper to be first in the combined mapper. See #42636 for examples. + combinedMapper = mapper ? combineTypeMappers(innerMapper, mapper) : innerMapper; + } + // Instantiate the extends type including inferences for 'infer T' type parameters + var inferredExtendsType = combinedMapper ? instantiateType(unwrapNondistributiveConditionalTuple(root, root.extendsType), combinedMapper) : extendsType; + // We attempt to resolve the conditional type only when the check and extends types are non-generic + if (!checkTypeInstantiable && !isGenericType(inferredExtendsType)) { + // Return falseType for a definitely false extends check. We check an instantiations of the two + // types with type parameters mapped to the wildcard type, the most permissive instantiations + // possible (the wildcard type is assignable to and from all types). If those are not related, + // then no instantiations will be and we can just return the false branch type. + if (!(inferredExtendsType.flags & 3 /* TypeFlags.AnyOrUnknown */) && ((checkType.flags & 1 /* TypeFlags.Any */ && !isUnwrapped) || !isTypeAssignableTo(getPermissiveInstantiation(checkType), getPermissiveInstantiation(inferredExtendsType)))) { + // Return union of trueType and falseType for 'any' since it matches anything + if (checkType.flags & 1 /* TypeFlags.Any */ && !isUnwrapped) { + (extraTypes || (extraTypes = [])).push(instantiateType(getTypeFromTypeNode(root.node.trueType), combinedMapper || mapper)); + } + // If falseType is an immediately nested conditional type that isn't distributive or has an + // identical checkType, switch to that type and loop. + var falseType_1 = getTypeFromTypeNode(root.node.falseType); + if (falseType_1.flags & 16777216 /* TypeFlags.Conditional */) { + var newRoot = falseType_1.root; + if (newRoot.node.parent === root.node && (!newRoot.isDistributive || newRoot.checkType === root.checkType)) { + root = newRoot; + return "continue"; + } + if (canTailRecurse(falseType_1, mapper)) { + return "continue"; + } + } + result = instantiateType(falseType_1, mapper); + return "break"; + } + // Return trueType for a definitely true extends check. We check instantiations of the two + // types with type parameters mapped to their restrictive form, i.e. a form of the type parameter + // that has no constraint. This ensures that, for example, the type + // type Foo = T extends { x: string } ? string : number + // doesn't immediately resolve to 'string' instead of being deferred. + if (inferredExtendsType.flags & 3 /* TypeFlags.AnyOrUnknown */ || isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(inferredExtendsType))) { + var trueType_1 = getTypeFromTypeNode(root.node.trueType); + var trueMapper = combinedMapper || mapper; + if (canTailRecurse(trueType_1, trueMapper)) { + return "continue"; + } + result = instantiateType(trueType_1, trueMapper); + return "break"; + } + } + // Return a deferred type for a check that is neither definitely true nor definitely false + result = createType(16777216 /* TypeFlags.Conditional */); + result.root = root; + result.checkType = instantiateType(root.checkType, mapper); + result.extendsType = instantiateType(root.extendsType, mapper); + result.mapper = mapper; + result.combinedMapper = combinedMapper; + result.aliasSymbol = aliasSymbol || root.aliasSymbol; + result.aliasTypeArguments = aliasSymbol ? aliasTypeArguments : instantiateTypes(root.aliasTypeArguments, mapper); // TODO: GH#18217 + return "break"; + }; + // We loop here for an immediately nested conditional type in the false position, effectively treating + // types of the form 'A extends B ? X : C extends D ? Y : E extends F ? Z : ...' as a single construct for + // purposes of resolution. We also loop here when resolution of a conditional type ends in resolution of + // another (or, through recursion, possibly the same) conditional type. In the potentially tail-recursive + // cases we increment the tail recursion counter and stop after 1000 iterations. + while (true) { + var state_5 = _loop_18(); + if (typeof state_5 === "object") + return state_5.value; + if (state_5 === "break") + break; + } + return extraTypes ? getUnionType(ts.append(extraTypes, result)) : result; + // We tail-recurse for generic conditional types that (a) have not already been evaluated and cached, and + // (b) are non distributive, have a check type that is unaffected by instantiation, or have a non-union check + // type. Note that recursion is possible only through aliased conditional types, so we only increment the tail + // recursion counter for those. + function canTailRecurse(newType, newMapper) { + if (newType.flags & 16777216 /* TypeFlags.Conditional */ && newMapper) { + var newRoot = newType.root; + if (newRoot.outerTypeParameters) { + var typeParamMapper_1 = combineTypeMappers(newType.mapper, newMapper); + var typeArguments = ts.map(newRoot.outerTypeParameters, function (t) { return getMappedType(t, typeParamMapper_1); }); + var newRootMapper = createTypeMapper(newRoot.outerTypeParameters, typeArguments); + var newCheckType = newRoot.isDistributive ? getMappedType(newRoot.checkType, newRootMapper) : undefined; + if (!newCheckType || newCheckType === newRoot.checkType || !(newCheckType.flags & (1048576 /* TypeFlags.Union */ | 131072 /* TypeFlags.Never */))) { + root = newRoot; + mapper = newRootMapper; + aliasSymbol = undefined; + aliasTypeArguments = undefined; + if (newRoot.aliasSymbol) { + tailCount++; + } + return true; + } + } + } + return false; + } + } + function getTrueTypeFromConditionalType(type) { + return type.resolvedTrueType || (type.resolvedTrueType = instantiateType(getTypeFromTypeNode(type.root.node.trueType), type.mapper)); + } + function getFalseTypeFromConditionalType(type) { + return type.resolvedFalseType || (type.resolvedFalseType = instantiateType(getTypeFromTypeNode(type.root.node.falseType), type.mapper)); + } + function getInferredTrueTypeFromConditionalType(type) { + return type.resolvedInferredTrueType || (type.resolvedInferredTrueType = type.combinedMapper ? instantiateType(getTypeFromTypeNode(type.root.node.trueType), type.combinedMapper) : getTrueTypeFromConditionalType(type)); + } + function getInferTypeParameters(node) { + var result; + if (node.locals) { + node.locals.forEach(function (symbol) { + if (symbol.flags & 262144 /* SymbolFlags.TypeParameter */) { + result = ts.append(result, getDeclaredTypeOfSymbol(symbol)); + } + }); + } + return result; + } + function isDistributionDependent(root) { + return root.isDistributive && (isTypeParameterPossiblyReferenced(root.checkType, root.node.trueType) || + isTypeParameterPossiblyReferenced(root.checkType, root.node.falseType)); + } + function getTypeFromConditionalTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var checkType = getTypeFromTypeNode(node.checkType); + var aliasSymbol = getAliasSymbolForTypeNode(node); + var aliasTypeArguments = getTypeArgumentsForAliasSymbol(aliasSymbol); + var allOuterTypeParameters = getOuterTypeParameters(node, /*includeThisTypes*/ true); + var outerTypeParameters = aliasTypeArguments ? allOuterTypeParameters : ts.filter(allOuterTypeParameters, function (tp) { return isTypeParameterPossiblyReferenced(tp, node); }); + var root = { + node: node, + checkType: checkType, + extendsType: getTypeFromTypeNode(node.extendsType), + isDistributive: !!(checkType.flags & 262144 /* TypeFlags.TypeParameter */), + inferTypeParameters: getInferTypeParameters(node), + outerTypeParameters: outerTypeParameters, + instantiations: undefined, + aliasSymbol: aliasSymbol, + aliasTypeArguments: aliasTypeArguments + }; + links.resolvedType = getConditionalType(root, /*mapper*/ undefined); + if (outerTypeParameters) { + root.instantiations = new ts.Map(); + root.instantiations.set(getTypeListId(outerTypeParameters), links.resolvedType); + } + } + return links.resolvedType; + } + function getTypeFromInferTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node.typeParameter)); + } + return links.resolvedType; + } + function getIdentifierChain(node) { + if (ts.isIdentifier(node)) { + return [node]; + } + else { + return ts.append(getIdentifierChain(node.left), node.right); + } + } + function getTypeFromImportTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + if (node.isTypeOf && node.typeArguments) { // Only the non-typeof form can make use of type arguments + error(node, ts.Diagnostics.Type_arguments_cannot_be_used_here); + links.resolvedSymbol = unknownSymbol; + return links.resolvedType = errorType; + } + if (!ts.isLiteralImportTypeNode(node)) { + error(node.argument, ts.Diagnostics.String_literal_expected); + links.resolvedSymbol = unknownSymbol; + return links.resolvedType = errorType; + } + var targetMeaning = node.isTypeOf ? 111551 /* SymbolFlags.Value */ : node.flags & 8388608 /* NodeFlags.JSDoc */ ? 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ : 788968 /* SymbolFlags.Type */; + // TODO: Future work: support unions/generics/whatever via a deferred import-type + var innerModuleSymbol = resolveExternalModuleName(node, node.argument.literal); + if (!innerModuleSymbol) { + links.resolvedSymbol = unknownSymbol; + return links.resolvedType = errorType; + } + var moduleSymbol = resolveExternalModuleSymbol(innerModuleSymbol, /*dontResolveAlias*/ false); + if (!ts.nodeIsMissing(node.qualifier)) { + var nameStack = getIdentifierChain(node.qualifier); + var currentNamespace = moduleSymbol; + var current = void 0; + while (current = nameStack.shift()) { + var meaning = nameStack.length ? 1920 /* SymbolFlags.Namespace */ : targetMeaning; + // typeof a.b.c is normally resolved using `checkExpression` which in turn defers to `checkQualifiedName` + // That, in turn, ultimately uses `getPropertyOfType` on the type of the symbol, which differs slightly from + // the `exports` lookup process that only looks up namespace members which is used for most type references + var mergedResolvedSymbol = getMergedSymbol(resolveSymbol(currentNamespace)); + var next = node.isTypeOf + ? getPropertyOfType(getTypeOfSymbol(mergedResolvedSymbol), current.escapedText) + : getSymbol(getExportsOfSymbol(mergedResolvedSymbol), current.escapedText, meaning); + if (!next) { + error(current, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(currentNamespace), ts.declarationNameToString(current)); + return links.resolvedType = errorType; + } + getNodeLinks(current).resolvedSymbol = next; + getNodeLinks(current.parent).resolvedSymbol = next; + currentNamespace = next; + } + links.resolvedType = resolveImportSymbolType(node, links, currentNamespace, targetMeaning); + } + else { + if (moduleSymbol.flags & targetMeaning) { + links.resolvedType = resolveImportSymbolType(node, links, moduleSymbol, targetMeaning); + } + else { + var errorMessage = targetMeaning === 111551 /* SymbolFlags.Value */ + ? ts.Diagnostics.Module_0_does_not_refer_to_a_value_but_is_used_as_a_value_here + : ts.Diagnostics.Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0; + error(node, errorMessage, node.argument.literal.text); + links.resolvedSymbol = unknownSymbol; + links.resolvedType = errorType; + } + } + } + return links.resolvedType; + } + function resolveImportSymbolType(node, links, symbol, meaning) { + var resolvedSymbol = resolveSymbol(symbol); + links.resolvedSymbol = resolvedSymbol; + if (meaning === 111551 /* SymbolFlags.Value */) { + return getTypeOfSymbol(symbol); // intentionally doesn't use resolved symbol so type is cached as expected on the alias + } + else { + return getTypeReferenceType(node, resolvedSymbol); // getTypeReferenceType doesn't handle aliases - it must get the resolved symbol + } + } + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // Deferred resolution of members is handled by resolveObjectTypeMembers + var aliasSymbol = getAliasSymbolForTypeNode(node); + if (getMembersOfSymbol(node.symbol).size === 0 && !aliasSymbol) { + links.resolvedType = emptyTypeLiteralType; + } + else { + var type = createObjectType(16 /* ObjectFlags.Anonymous */, node.symbol); + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = getTypeArgumentsForAliasSymbol(aliasSymbol); + if (ts.isJSDocTypeLiteral(node) && node.isArrayType) { + type = createArrayType(type); + } + links.resolvedType = type; + } + } + return links.resolvedType; + } + function getAliasSymbolForTypeNode(node) { + var host = node.parent; + while (ts.isParenthesizedTypeNode(host) || ts.isJSDocTypeExpression(host) || ts.isTypeOperatorNode(host) && host.operator === 145 /* SyntaxKind.ReadonlyKeyword */) { + host = host.parent; + } + return ts.isTypeAlias(host) ? getSymbolOfNode(host) : undefined; + } + function getTypeArgumentsForAliasSymbol(symbol) { + return symbol ? getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) : undefined; + } + function isNonGenericObjectType(type) { + return !!(type.flags & 524288 /* TypeFlags.Object */) && !isGenericMappedType(type); + } + function isEmptyObjectTypeOrSpreadsIntoEmptyObject(type) { + return isEmptyObjectType(type) || !!(type.flags & (65536 /* TypeFlags.Null */ | 32768 /* TypeFlags.Undefined */ | 528 /* TypeFlags.BooleanLike */ | 296 /* TypeFlags.NumberLike */ | 2112 /* TypeFlags.BigIntLike */ | 402653316 /* TypeFlags.StringLike */ | 1056 /* TypeFlags.EnumLike */ | 67108864 /* TypeFlags.NonPrimitive */ | 4194304 /* TypeFlags.Index */)); + } + function tryMergeUnionOfObjectTypeAndEmptyObject(type, readonly) { + if (!(type.flags & 1048576 /* TypeFlags.Union */)) { + return type; + } + if (ts.every(type.types, isEmptyObjectTypeOrSpreadsIntoEmptyObject)) { + return ts.find(type.types, isEmptyObjectType) || emptyObjectType; + } + var firstType = ts.find(type.types, function (t) { return !isEmptyObjectTypeOrSpreadsIntoEmptyObject(t); }); + if (!firstType) { + return type; + } + var secondType = ts.find(type.types, function (t) { return t !== firstType && !isEmptyObjectTypeOrSpreadsIntoEmptyObject(t); }); + if (secondType) { + return type; + } + return getAnonymousPartialType(firstType); + function getAnonymousPartialType(type) { + // gets the type as if it had been spread, but where everything in the spread is made optional + var members = ts.createSymbolTable(); + for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { + var prop = _a[_i]; + if (ts.getDeclarationModifierFlagsFromSymbol(prop) & (8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */)) { + // do nothing, skip privates + } + else if (isSpreadableProperty(prop)) { + var isSetonlyAccessor = prop.flags & 65536 /* SymbolFlags.SetAccessor */ && !(prop.flags & 32768 /* SymbolFlags.GetAccessor */); + var flags = 4 /* SymbolFlags.Property */ | 16777216 /* SymbolFlags.Optional */; + var result = createSymbol(flags, prop.escapedName, getIsLateCheckFlag(prop) | (readonly ? 8 /* CheckFlags.Readonly */ : 0)); + result.type = isSetonlyAccessor ? undefinedType : addOptionality(getTypeOfSymbol(prop), /*isProperty*/ true); + result.declarations = prop.declarations; + result.nameType = getSymbolLinks(prop).nameType; + result.syntheticOrigin = prop; + members.set(prop.escapedName, result); + } + } + var spread = createAnonymousType(type.symbol, members, ts.emptyArray, ts.emptyArray, getIndexInfosOfType(type)); + spread.objectFlags |= 128 /* ObjectFlags.ObjectLiteral */ | 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + return spread; + } + } + /** + * Since the source of spread types are object literals, which are not binary, + * this function should be called in a left folding style, with left = previous result of getSpreadType + * and right = the new element to be spread. + */ + function getSpreadType(left, right, symbol, objectFlags, readonly) { + if (left.flags & 1 /* TypeFlags.Any */ || right.flags & 1 /* TypeFlags.Any */) { + return anyType; + } + if (left.flags & 2 /* TypeFlags.Unknown */ || right.flags & 2 /* TypeFlags.Unknown */) { + return unknownType; + } + if (left.flags & 131072 /* TypeFlags.Never */) { + return right; + } + if (right.flags & 131072 /* TypeFlags.Never */) { + return left; + } + left = tryMergeUnionOfObjectTypeAndEmptyObject(left, readonly); + if (left.flags & 1048576 /* TypeFlags.Union */) { + return checkCrossProductUnion([left, right]) + ? mapType(left, function (t) { return getSpreadType(t, right, symbol, objectFlags, readonly); }) + : errorType; + } + right = tryMergeUnionOfObjectTypeAndEmptyObject(right, readonly); + if (right.flags & 1048576 /* TypeFlags.Union */) { + return checkCrossProductUnion([left, right]) + ? mapType(right, function (t) { return getSpreadType(left, t, symbol, objectFlags, readonly); }) + : errorType; + } + if (right.flags & (528 /* TypeFlags.BooleanLike */ | 296 /* TypeFlags.NumberLike */ | 2112 /* TypeFlags.BigIntLike */ | 402653316 /* TypeFlags.StringLike */ | 1056 /* TypeFlags.EnumLike */ | 67108864 /* TypeFlags.NonPrimitive */ | 4194304 /* TypeFlags.Index */)) { + return left; + } + if (isGenericObjectType(left) || isGenericObjectType(right)) { + if (isEmptyObjectType(left)) { + return right; + } + // When the left type is an intersection, we may need to merge the last constituent of the + // intersection with the right type. For example when the left type is 'T & { a: string }' + // and the right type is '{ b: string }' we produce 'T & { a: string, b: string }'. + if (left.flags & 2097152 /* TypeFlags.Intersection */) { + var types = left.types; + var lastLeft = types[types.length - 1]; + if (isNonGenericObjectType(lastLeft) && isNonGenericObjectType(right)) { + return getIntersectionType(ts.concatenate(types.slice(0, types.length - 1), [getSpreadType(lastLeft, right, symbol, objectFlags, readonly)])); + } + } + return getIntersectionType([left, right]); + } + var members = ts.createSymbolTable(); + var skippedPrivateMembers = new ts.Set(); + var indexInfos = left === emptyObjectType ? getIndexInfosOfType(right) : getUnionIndexInfos([left, right]); + for (var _i = 0, _a = getPropertiesOfType(right); _i < _a.length; _i++) { + var rightProp = _a[_i]; + if (ts.getDeclarationModifierFlagsFromSymbol(rightProp) & (8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */)) { + skippedPrivateMembers.add(rightProp.escapedName); + } + else if (isSpreadableProperty(rightProp)) { + members.set(rightProp.escapedName, getSpreadSymbol(rightProp, readonly)); + } + } + for (var _b = 0, _c = getPropertiesOfType(left); _b < _c.length; _b++) { + var leftProp = _c[_b]; + if (skippedPrivateMembers.has(leftProp.escapedName) || !isSpreadableProperty(leftProp)) { + continue; + } + if (members.has(leftProp.escapedName)) { + var rightProp = members.get(leftProp.escapedName); + var rightType = getTypeOfSymbol(rightProp); + if (rightProp.flags & 16777216 /* SymbolFlags.Optional */) { + var declarations = ts.concatenate(leftProp.declarations, rightProp.declarations); + var flags = 4 /* SymbolFlags.Property */ | (leftProp.flags & 16777216 /* SymbolFlags.Optional */); + var result = createSymbol(flags, leftProp.escapedName); + result.type = getUnionType([getTypeOfSymbol(leftProp), removeMissingOrUndefinedType(rightType)], 2 /* UnionReduction.Subtype */); + result.leftSpread = leftProp; + result.rightSpread = rightProp; + result.declarations = declarations; + result.nameType = getSymbolLinks(leftProp).nameType; + members.set(leftProp.escapedName, result); + } + } + else { + members.set(leftProp.escapedName, getSpreadSymbol(leftProp, readonly)); + } + } + var spread = createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, ts.sameMap(indexInfos, function (info) { return getIndexInfoWithReadonly(info, readonly); })); + spread.objectFlags |= 128 /* ObjectFlags.ObjectLiteral */ | 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */ | 2097152 /* ObjectFlags.ContainsSpread */ | objectFlags; + return spread; + } + /** We approximate own properties as non-methods plus methods that are inside the object literal */ + function isSpreadableProperty(prop) { + var _a; + return !ts.some(prop.declarations, ts.isPrivateIdentifierClassElementDeclaration) && + (!(prop.flags & (8192 /* SymbolFlags.Method */ | 32768 /* SymbolFlags.GetAccessor */ | 65536 /* SymbolFlags.SetAccessor */)) || + !((_a = prop.declarations) === null || _a === void 0 ? void 0 : _a.some(function (decl) { return ts.isClassLike(decl.parent); }))); + } + function getSpreadSymbol(prop, readonly) { + var isSetonlyAccessor = prop.flags & 65536 /* SymbolFlags.SetAccessor */ && !(prop.flags & 32768 /* SymbolFlags.GetAccessor */); + if (!isSetonlyAccessor && readonly === isReadonlySymbol(prop)) { + return prop; + } + var flags = 4 /* SymbolFlags.Property */ | (prop.flags & 16777216 /* SymbolFlags.Optional */); + var result = createSymbol(flags, prop.escapedName, getIsLateCheckFlag(prop) | (readonly ? 8 /* CheckFlags.Readonly */ : 0)); + result.type = isSetonlyAccessor ? undefinedType : getTypeOfSymbol(prop); + result.declarations = prop.declarations; + result.nameType = getSymbolLinks(prop).nameType; + result.syntheticOrigin = prop; + return result; + } + function getIndexInfoWithReadonly(info, readonly) { + return info.isReadonly !== readonly ? createIndexInfo(info.keyType, info.type, readonly, info.declaration) : info; + } + function createLiteralType(flags, value, symbol, regularType) { + var type = createType(flags); + type.symbol = symbol; + type.value = value; + type.regularType = regularType || type; + return type; + } + function getFreshTypeOfLiteralType(type) { + if (type.flags & 2944 /* TypeFlags.Literal */) { + if (!type.freshType) { + var freshType = createLiteralType(type.flags, type.value, type.symbol, type); + freshType.freshType = freshType; + type.freshType = freshType; + } + return type.freshType; + } + return type; + } + function getRegularTypeOfLiteralType(type) { + return type.flags & 2944 /* TypeFlags.Literal */ ? type.regularType : + type.flags & 1048576 /* TypeFlags.Union */ ? (type.regularType || (type.regularType = mapType(type, getRegularTypeOfLiteralType))) : + type; + } + function isFreshLiteralType(type) { + return !!(type.flags & 2944 /* TypeFlags.Literal */) && type.freshType === type; + } + function getStringLiteralType(value) { + var type; + return stringLiteralTypes.get(value) || + (stringLiteralTypes.set(value, type = createLiteralType(128 /* TypeFlags.StringLiteral */, value)), type); + } + function getNumberLiteralType(value) { + var type; + return numberLiteralTypes.get(value) || + (numberLiteralTypes.set(value, type = createLiteralType(256 /* TypeFlags.NumberLiteral */, value)), type); + } + function getBigIntLiteralType(value) { + var type; + var key = ts.pseudoBigIntToString(value); + return bigIntLiteralTypes.get(key) || + (bigIntLiteralTypes.set(key, type = createLiteralType(2048 /* TypeFlags.BigIntLiteral */, value)), type); + } + function getEnumLiteralType(value, enumId, symbol) { + var type; + var qualifier = typeof value === "string" ? "@" : "#"; + var key = enumId + qualifier + value; + var flags = 1024 /* TypeFlags.EnumLiteral */ | (typeof value === "string" ? 128 /* TypeFlags.StringLiteral */ : 256 /* TypeFlags.NumberLiteral */); + return enumLiteralTypes.get(key) || + (enumLiteralTypes.set(key, type = createLiteralType(flags, value, symbol)), type); + } + function getTypeFromLiteralTypeNode(node) { + if (node.literal.kind === 104 /* SyntaxKind.NullKeyword */) { + return nullType; + } + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getRegularTypeOfLiteralType(checkExpression(node.literal)); + } + return links.resolvedType; + } + function createUniqueESSymbolType(symbol) { + var type = createType(8192 /* TypeFlags.UniqueESSymbol */); + type.symbol = symbol; + type.escapedName = "__@".concat(type.symbol.escapedName, "@").concat(getSymbolId(type.symbol)); + return type; + } + function getESSymbolLikeTypeForNode(node) { + if (ts.isValidESSymbolDeclaration(node)) { + var symbol = ts.isCommonJsExportPropertyAssignment(node) ? getSymbolOfNode(node.left) : getSymbolOfNode(node); + if (symbol) { + var links = getSymbolLinks(symbol); + return links.uniqueESSymbolType || (links.uniqueESSymbolType = createUniqueESSymbolType(symbol)); + } + } + return esSymbolType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 258 /* SyntaxKind.InterfaceDeclaration */)) { + if (!ts.isStatic(container) && + (!ts.isConstructorDeclaration(container) || ts.isNodeDescendantOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + } + } + // inside x.prototype = { ... } + if (parent && ts.isObjectLiteralExpression(parent) && ts.isBinaryExpression(parent.parent) && ts.getAssignmentDeclarationKind(parent.parent) === 6 /* AssignmentDeclarationKind.Prototype */) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent.parent.left).parent).thisType; + } + // /** @return {this} */ + // x.prototype.m = function() { ... } + var host = node.flags & 8388608 /* NodeFlags.JSDoc */ ? ts.getHostSignatureFromJSDoc(node) : undefined; + if (host && ts.isFunctionExpression(host) && ts.isBinaryExpression(host.parent) && ts.getAssignmentDeclarationKind(host.parent) === 3 /* AssignmentDeclarationKind.PrototypeProperty */) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(host.parent.left).parent).thisType; + } + // inside constructor function C() { ... } + if (isJSConstructor(container) && ts.isNodeDescendantOf(node, container.body)) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(container)).thisType; + } + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return errorType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); + } + return links.resolvedType; + } + function getTypeFromRestTypeNode(node) { + return getTypeFromTypeNode(getArrayElementTypeNode(node.type) || node.type); + } + function getArrayElementTypeNode(node) { + switch (node.kind) { + case 191 /* SyntaxKind.ParenthesizedType */: + return getArrayElementTypeNode(node.type); + case 184 /* SyntaxKind.TupleType */: + if (node.elements.length === 1) { + node = node.elements[0]; + if (node.kind === 186 /* SyntaxKind.RestType */ || node.kind === 197 /* SyntaxKind.NamedTupleMember */ && node.dotDotDotToken) { + return getArrayElementTypeNode(node.type); + } + } + break; + case 183 /* SyntaxKind.ArrayType */: + return node.elementType; + } + return undefined; + } + function getTypeFromNamedTupleTypeNode(node) { + var links = getNodeLinks(node); + return links.resolvedType || (links.resolvedType = + node.dotDotDotToken ? getTypeFromRestTypeNode(node) : + addOptionality(getTypeFromTypeNode(node.type), /*isProperty*/ true, !!node.questionToken)); + } + function getTypeFromTypeNode(node) { + return getConditionalFlowTypeOfType(getTypeFromTypeNodeWorker(node), node); + } + function getTypeFromTypeNodeWorker(node) { + switch (node.kind) { + case 130 /* SyntaxKind.AnyKeyword */: + case 312 /* SyntaxKind.JSDocAllType */: + case 313 /* SyntaxKind.JSDocUnknownType */: + return anyType; + case 155 /* SyntaxKind.UnknownKeyword */: + return unknownType; + case 150 /* SyntaxKind.StringKeyword */: + return stringType; + case 147 /* SyntaxKind.NumberKeyword */: + return numberType; + case 158 /* SyntaxKind.BigIntKeyword */: + return bigintType; + case 133 /* SyntaxKind.BooleanKeyword */: + return booleanType; + case 151 /* SyntaxKind.SymbolKeyword */: + return esSymbolType; + case 114 /* SyntaxKind.VoidKeyword */: + return voidType; + case 153 /* SyntaxKind.UndefinedKeyword */: + return undefinedType; + case 104 /* SyntaxKind.NullKeyword */: + // TODO(rbuckton): `NullKeyword` is no longer a `TypeNode`, but we defensively allow it here because of incorrect casts in the Language Service. + return nullType; + case 143 /* SyntaxKind.NeverKeyword */: + return neverType; + case 148 /* SyntaxKind.ObjectKeyword */: + return node.flags & 262144 /* NodeFlags.JavaScriptFile */ && !noImplicitAny ? anyType : nonPrimitiveType; + case 138 /* SyntaxKind.IntrinsicKeyword */: + return intrinsicMarkerType; + case 192 /* SyntaxKind.ThisType */: + case 108 /* SyntaxKind.ThisKeyword */: + // TODO(rbuckton): `ThisKeyword` is no longer a `TypeNode`, but we defensively allow it here because of incorrect casts in the Language Service and because of `isPartOfTypeNode`. + return getTypeFromThisTypeNode(node); + case 196 /* SyntaxKind.LiteralType */: + return getTypeFromLiteralTypeNode(node); + case 178 /* SyntaxKind.TypeReference */: + return getTypeFromTypeReference(node); + case 177 /* SyntaxKind.TypePredicate */: + return node.assertsModifier ? voidType : booleanType; + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return getTypeFromTypeReference(node); + case 181 /* SyntaxKind.TypeQuery */: + return getTypeFromTypeQueryNode(node); + case 183 /* SyntaxKind.ArrayType */: + case 184 /* SyntaxKind.TupleType */: + return getTypeFromArrayOrTupleTypeNode(node); + case 185 /* SyntaxKind.OptionalType */: + return getTypeFromOptionalTypeNode(node); + case 187 /* SyntaxKind.UnionType */: + return getTypeFromUnionTypeNode(node); + case 188 /* SyntaxKind.IntersectionType */: + return getTypeFromIntersectionTypeNode(node); + case 314 /* SyntaxKind.JSDocNullableType */: + return getTypeFromJSDocNullableTypeNode(node); + case 316 /* SyntaxKind.JSDocOptionalType */: + return addOptionality(getTypeFromTypeNode(node.type)); + case 197 /* SyntaxKind.NamedTupleMember */: + return getTypeFromNamedTupleTypeNode(node); + case 191 /* SyntaxKind.ParenthesizedType */: + case 315 /* SyntaxKind.JSDocNonNullableType */: + case 309 /* SyntaxKind.JSDocTypeExpression */: + return getTypeFromTypeNode(node.type); + case 186 /* SyntaxKind.RestType */: + return getTypeFromRestTypeNode(node); + case 318 /* SyntaxKind.JSDocVariadicType */: + return getTypeFromJSDocVariadicType(node); + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 182 /* SyntaxKind.TypeLiteral */: + case 322 /* SyntaxKind.JSDocTypeLiteral */: + case 317 /* SyntaxKind.JSDocFunctionType */: + case 323 /* SyntaxKind.JSDocSignature */: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + case 193 /* SyntaxKind.TypeOperator */: + return getTypeFromTypeOperatorNode(node); + case 194 /* SyntaxKind.IndexedAccessType */: + return getTypeFromIndexedAccessTypeNode(node); + case 195 /* SyntaxKind.MappedType */: + return getTypeFromMappedTypeNode(node); + case 189 /* SyntaxKind.ConditionalType */: + return getTypeFromConditionalTypeNode(node); + case 190 /* SyntaxKind.InferType */: + return getTypeFromInferTypeNode(node); + case 198 /* SyntaxKind.TemplateLiteralType */: + return getTypeFromTemplateTypeNode(node); + case 200 /* SyntaxKind.ImportType */: + return getTypeFromImportTypeNode(node); + // This function assumes that an identifier, qualified name, or property access expression is a type expression + // Callers should first ensure this by calling `isPartOfTypeNode` + // TODO(rbuckton): These aren't valid TypeNodes, but we treat them as such because of `isPartOfTypeNode`, which returns `true` for things that aren't `TypeNode`s. + case 79 /* SyntaxKind.Identifier */: + case 161 /* SyntaxKind.QualifiedName */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + var symbol = getSymbolAtLocation(node); + return symbol ? getDeclaredTypeOfSymbol(symbol) : errorType; + default: + return errorType; + } + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + for (var i = 0; i < items.length; i++) { + var item = items[i]; + var mapped = instantiator(item, mapper); + if (item !== mapped) { + var result = i === 0 ? [] : items.slice(0, i); + result.push(mapped); + for (i++; i < items.length; i++) { + result.push(instantiator(items[i], mapper)); + } + return result; + } + } + } + return items; + } + function instantiateTypes(types, mapper) { + return instantiateList(types, mapper, instantiateType); + } + function instantiateSignatures(signatures, mapper) { + return instantiateList(signatures, mapper, instantiateSignature); + } + function instantiateIndexInfos(indexInfos, mapper) { + return instantiateList(indexInfos, mapper, instantiateIndexInfo); + } + function createTypeMapper(sources, targets) { + return sources.length === 1 ? makeUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) : makeArrayTypeMapper(sources, targets); + } + function getMappedType(type, mapper) { + switch (mapper.kind) { + case 0 /* TypeMapKind.Simple */: + return type === mapper.source ? mapper.target : type; + case 1 /* TypeMapKind.Array */: + var sources = mapper.sources; + var targets = mapper.targets; + for (var i = 0; i < sources.length; i++) { + if (type === sources[i]) { + return targets ? targets[i] : anyType; + } + } + return type; + case 2 /* TypeMapKind.Function */: + return mapper.func(type); + case 3 /* TypeMapKind.Composite */: + case 4 /* TypeMapKind.Merged */: + var t1 = getMappedType(type, mapper.mapper1); + return t1 !== type && mapper.kind === 3 /* TypeMapKind.Composite */ ? instantiateType(t1, mapper.mapper2) : getMappedType(t1, mapper.mapper2); + } + } + function makeUnaryTypeMapper(source, target) { + return { kind: 0 /* TypeMapKind.Simple */, source: source, target: target }; + } + function makeArrayTypeMapper(sources, targets) { + return { kind: 1 /* TypeMapKind.Array */, sources: sources, targets: targets }; + } + function makeFunctionTypeMapper(func) { + return { kind: 2 /* TypeMapKind.Function */, func: func }; + } + function makeCompositeTypeMapper(kind, mapper1, mapper2) { + return { kind: kind, mapper1: mapper1, mapper2: mapper2 }; + } + function createTypeEraser(sources) { + return createTypeMapper(sources, /*targets*/ undefined); + } + /** + * Maps forward-references to later types parameters to the empty object type. + * This is used during inference when instantiating type parameter defaults. + */ + function createBackreferenceMapper(context, index) { + return makeFunctionTypeMapper(function (t) { return ts.findIndex(context.inferences, function (info) { return info.typeParameter === t; }) >= index ? unknownType : t; }); + } + function combineTypeMappers(mapper1, mapper2) { + return mapper1 ? makeCompositeTypeMapper(3 /* TypeMapKind.Composite */, mapper1, mapper2) : mapper2; + } + function mergeTypeMappers(mapper1, mapper2) { + return mapper1 ? makeCompositeTypeMapper(4 /* TypeMapKind.Merged */, mapper1, mapper2) : mapper2; + } + function prependTypeMapping(source, target, mapper) { + return !mapper ? makeUnaryTypeMapper(source, target) : makeCompositeTypeMapper(4 /* TypeMapKind.Merged */, makeUnaryTypeMapper(source, target), mapper); + } + function appendTypeMapping(mapper, source, target) { + return !mapper ? makeUnaryTypeMapper(source, target) : makeCompositeTypeMapper(4 /* TypeMapKind.Merged */, mapper, makeUnaryTypeMapper(source, target)); + } + function getRestrictiveTypeParameter(tp) { + return tp.constraint === unknownType ? tp : tp.restrictiveInstantiation || (tp.restrictiveInstantiation = createTypeParameter(tp.symbol), + tp.restrictiveInstantiation.constraint = unknownType, + tp.restrictiveInstantiation); + } + function cloneTypeParameter(typeParameter) { + var result = createTypeParameter(typeParameter.symbol); + result.target = typeParameter; + return result; + } + function instantiateTypePredicate(predicate, mapper) { + return createTypePredicate(predicate.kind, predicate.parameterName, predicate.parameterIndex, instantiateType(predicate.type, mapper)); + } + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + if (signature.typeParameters && !eraseTypeParameters) { + // First create a fresh set of type parameters, then include a mapping from the old to the + // new type parameters in the mapper function. Finally store this mapper in the new type + // parameters such that we can use it when instantiating constraints. + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; + } + } + // Don't compute resolvedReturnType and resolvedTypePredicate now, + // because using `mapper` now could trigger inferences to become fixed. (See `createInferenceContext`.) + // See GH#17600. + var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol), + /*resolvedReturnType*/ undefined, + /*resolvedTypePredicate*/ undefined, signature.minArgumentCount, signature.flags & 39 /* SignatureFlags.PropagatingFlags */); + result.target = signature; + result.mapper = mapper; + return result; + } + function instantiateSymbol(symbol, mapper) { + var links = getSymbolLinks(symbol); + if (links.type && !couldContainTypeVariables(links.type)) { + // If the type of the symbol is already resolved, and if that type could not possibly + // be affected by instantiation, simply return the symbol itself. + return symbol; + } + if (ts.getCheckFlags(symbol) & 1 /* CheckFlags.Instantiated */) { + // If symbol being instantiated is itself a instantiation, fetch the original target and combine the + // type mappers. This ensures that original type identities are properly preserved and that aliases + // always reference a non-aliases. + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); + } + // Keep the flags from the symbol we're instantiating. Mark that is instantiated, and + // also transient so that we can just store data on it directly. + var result = createSymbol(symbol.flags, symbol.escapedName, 1 /* CheckFlags.Instantiated */ | ts.getCheckFlags(symbol) & (8 /* CheckFlags.Readonly */ | 4096 /* CheckFlags.Late */ | 16384 /* CheckFlags.OptionalParameter */ | 32768 /* CheckFlags.RestParameter */)); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; + } + if (links.nameType) { + result.nameType = links.nameType; + } + return result; + } + function getObjectTypeInstantiation(type, mapper, aliasSymbol, aliasTypeArguments) { + var declaration = type.objectFlags & 4 /* ObjectFlags.Reference */ ? type.node : + type.objectFlags & 8388608 /* ObjectFlags.InstantiationExpressionType */ ? type.node : + type.symbol.declarations[0]; + var links = getNodeLinks(declaration); + var target = type.objectFlags & 4 /* ObjectFlags.Reference */ ? links.resolvedType : + type.objectFlags & 64 /* ObjectFlags.Instantiated */ ? type.target : type; + var typeParameters = links.outerTypeParameters; + if (!typeParameters) { + // The first time an anonymous type is instantiated we compute and store a list of the type + // parameters that are in scope (and therefore potentially referenced). For type literals that + // aren't the right hand side of a generic type alias declaration we optimize by reducing the + // set of type parameters to those that are possibly referenced in the literal. + var outerTypeParameters = getOuterTypeParameters(declaration, /*includeThisTypes*/ true); + if (isJSConstructor(declaration)) { + var templateTagParameters = getTypeParametersFromDeclaration(declaration); + outerTypeParameters = ts.addRange(outerTypeParameters, templateTagParameters); + } + typeParameters = outerTypeParameters || ts.emptyArray; + var allDeclarations_1 = type.objectFlags & (4 /* ObjectFlags.Reference */ | 8388608 /* ObjectFlags.InstantiationExpressionType */) ? [declaration] : type.symbol.declarations; + typeParameters = (target.objectFlags & (4 /* ObjectFlags.Reference */ | 8388608 /* ObjectFlags.InstantiationExpressionType */) || target.symbol.flags & 8192 /* SymbolFlags.Method */ || target.symbol.flags & 2048 /* SymbolFlags.TypeLiteral */) && !target.aliasTypeArguments ? + ts.filter(typeParameters, function (tp) { return ts.some(allDeclarations_1, function (d) { return isTypeParameterPossiblyReferenced(tp, d); }); }) : + typeParameters; + links.outerTypeParameters = typeParameters; + } + if (typeParameters.length) { + // We are instantiating an anonymous type that has one or more type parameters in scope. Apply the + // mapper to the type parameters to produce the effective list of type arguments, and compute the + // instantiation cache key from the type IDs of the type arguments. + var combinedMapper_1 = combineTypeMappers(type.mapper, mapper); + var typeArguments = ts.map(typeParameters, function (t) { return getMappedType(t, combinedMapper_1); }); + var newAliasSymbol = aliasSymbol || type.aliasSymbol; + var newAliasTypeArguments = aliasSymbol ? aliasTypeArguments : instantiateTypes(type.aliasTypeArguments, mapper); + var id = getTypeListId(typeArguments) + getAliasId(newAliasSymbol, newAliasTypeArguments); + if (!target.instantiations) { + target.instantiations = new ts.Map(); + target.instantiations.set(getTypeListId(typeParameters) + getAliasId(target.aliasSymbol, target.aliasTypeArguments), target); + } + var result = target.instantiations.get(id); + if (!result) { + var newMapper = createTypeMapper(typeParameters, typeArguments); + result = target.objectFlags & 4 /* ObjectFlags.Reference */ ? createDeferredTypeReference(type.target, type.node, newMapper, newAliasSymbol, newAliasTypeArguments) : + target.objectFlags & 32 /* ObjectFlags.Mapped */ ? instantiateMappedType(target, newMapper, newAliasSymbol, newAliasTypeArguments) : + instantiateAnonymousType(target, newMapper, newAliasSymbol, newAliasTypeArguments); + target.instantiations.set(id, result); + } + return result; + } + return type; + } + function maybeTypeParameterReference(node) { + return !(node.parent.kind === 178 /* SyntaxKind.TypeReference */ && node.parent.typeArguments && node === node.parent.typeName || + node.parent.kind === 200 /* SyntaxKind.ImportType */ && node.parent.typeArguments && node === node.parent.qualifier); + } + function isTypeParameterPossiblyReferenced(tp, node) { + // If the type parameter doesn't have exactly one declaration, if there are invening statement blocks + // between the node and the type parameter declaration, if the node contains actual references to the + // type parameter, or if the node contains type queries, we consider the type parameter possibly referenced. + if (tp.symbol && tp.symbol.declarations && tp.symbol.declarations.length === 1) { + var container = tp.symbol.declarations[0].parent; + for (var n = node; n !== container; n = n.parent) { + if (!n || n.kind === 235 /* SyntaxKind.Block */ || n.kind === 189 /* SyntaxKind.ConditionalType */ && ts.forEachChild(n.extendsType, containsReference)) { + return true; + } + } + return containsReference(node); + } + return true; + function containsReference(node) { + switch (node.kind) { + case 192 /* SyntaxKind.ThisType */: + return !!tp.isThisType; + case 79 /* SyntaxKind.Identifier */: + return !tp.isThisType && ts.isPartOfTypeNode(node) && maybeTypeParameterReference(node) && + getTypeFromTypeNodeWorker(node) === tp; // use worker because we're looking for === equality + case 181 /* SyntaxKind.TypeQuery */: + return true; + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + return !node.type && !!node.body || + ts.some(node.typeParameters, containsReference) || + ts.some(node.parameters, containsReference) || + !!node.type && containsReference(node.type); + } + return !!ts.forEachChild(node, containsReference); + } + } + function getHomomorphicTypeVariable(type) { + var constraintType = getConstraintTypeFromMappedType(type); + if (constraintType.flags & 4194304 /* TypeFlags.Index */) { + var typeVariable = getActualTypeVariable(constraintType.type); + if (typeVariable.flags & 262144 /* TypeFlags.TypeParameter */) { + return typeVariable; + } + } + return undefined; + } + function instantiateMappedType(type, mapper, aliasSymbol, aliasTypeArguments) { + // For a homomorphic mapped type { [P in keyof T]: X }, where T is some type variable, the mapping + // operation depends on T as follows: + // * If T is a primitive type no mapping is performed and the result is simply T. + // * If T is a union type we distribute the mapped type over the union. + // * If T is an array we map to an array where the element type has been transformed. + // * If T is a tuple we map to a tuple where the element types have been transformed. + // * Otherwise we map to an object type where the type of each property has been transformed. + // For example, when T is instantiated to a union type A | B, we produce { [P in keyof A]: X } | + // { [P in keyof B]: X }, and when when T is instantiated to a union type A | undefined, we produce + // { [P in keyof A]: X } | undefined. + var typeVariable = getHomomorphicTypeVariable(type); + if (typeVariable) { + var mappedTypeVariable = instantiateType(typeVariable, mapper); + if (typeVariable !== mappedTypeVariable) { + return mapTypeWithAlias(getReducedType(mappedTypeVariable), function (t) { + if (t.flags & (3 /* TypeFlags.AnyOrUnknown */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */ | 524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */) && t !== wildcardType && !isErrorType(t)) { + if (!type.declaration.nameType) { + var constraint = void 0; + if (isArrayType(t) || t.flags & 1 /* TypeFlags.Any */ && findResolutionCycleStartIndex(typeVariable, 4 /* TypeSystemPropertyName.ImmediateBaseConstraint */) < 0 && + (constraint = getConstraintOfTypeParameter(typeVariable)) && everyType(constraint, isArrayOrTupleType)) { + return instantiateMappedArrayType(t, type, prependTypeMapping(typeVariable, t, mapper)); + } + if (isGenericTupleType(t)) { + return instantiateMappedGenericTupleType(t, type, typeVariable, mapper); + } + if (isTupleType(t)) { + return instantiateMappedTupleType(t, type, prependTypeMapping(typeVariable, t, mapper)); + } + } + return instantiateAnonymousType(type, prependTypeMapping(typeVariable, t, mapper)); + } + return t; + }, aliasSymbol, aliasTypeArguments); + } + } + // If the constraint type of the instantiation is the wildcard type, return the wildcard type. + return instantiateType(getConstraintTypeFromMappedType(type), mapper) === wildcardType ? wildcardType : instantiateAnonymousType(type, mapper, aliasSymbol, aliasTypeArguments); + } + function getModifiedReadonlyState(state, modifiers) { + return modifiers & 1 /* MappedTypeModifiers.IncludeReadonly */ ? true : modifiers & 2 /* MappedTypeModifiers.ExcludeReadonly */ ? false : state; + } + function instantiateMappedGenericTupleType(tupleType, mappedType, typeVariable, mapper) { + // When a tuple type is generic (i.e. when it contains variadic elements), we want to eagerly map the + // non-generic elements and defer mapping the generic elements. In order to facilitate this, we transform + // M<[A, B?, ...T, ...C[]] into [...M<[A]>, ...M<[B?]>, ...M, ...M] and then rely on tuple type + // normalization to resolve the non-generic parts of the resulting tuple. + var elementFlags = tupleType.target.elementFlags; + var elementTypes = ts.map(getTypeArguments(tupleType), function (t, i) { + var singleton = elementFlags[i] & 8 /* ElementFlags.Variadic */ ? t : + elementFlags[i] & 4 /* ElementFlags.Rest */ ? createArrayType(t) : + createTupleType([t], [elementFlags[i]]); + // The singleton is never a generic tuple type, so it is safe to recurse here. + return instantiateMappedType(mappedType, prependTypeMapping(typeVariable, singleton, mapper)); + }); + var newReadonly = getModifiedReadonlyState(tupleType.target.readonly, getMappedTypeModifiers(mappedType)); + return createTupleType(elementTypes, ts.map(elementTypes, function (_) { return 8 /* ElementFlags.Variadic */; }), newReadonly); + } + function instantiateMappedArrayType(arrayType, mappedType, mapper) { + var elementType = instantiateMappedTypeTemplate(mappedType, numberType, /*isOptional*/ true, mapper); + return isErrorType(elementType) ? errorType : + createArrayType(elementType, getModifiedReadonlyState(isReadonlyArrayType(arrayType), getMappedTypeModifiers(mappedType))); + } + function instantiateMappedTupleType(tupleType, mappedType, mapper) { + var elementFlags = tupleType.target.elementFlags; + var elementTypes = ts.map(getTypeArguments(tupleType), function (_, i) { + return instantiateMappedTypeTemplate(mappedType, getStringLiteralType("" + i), !!(elementFlags[i] & 2 /* ElementFlags.Optional */), mapper); + }); + var modifiers = getMappedTypeModifiers(mappedType); + var newTupleModifiers = modifiers & 4 /* MappedTypeModifiers.IncludeOptional */ ? ts.map(elementFlags, function (f) { return f & 1 /* ElementFlags.Required */ ? 2 /* ElementFlags.Optional */ : f; }) : + modifiers & 8 /* MappedTypeModifiers.ExcludeOptional */ ? ts.map(elementFlags, function (f) { return f & 2 /* ElementFlags.Optional */ ? 1 /* ElementFlags.Required */ : f; }) : + elementFlags; + var newReadonly = getModifiedReadonlyState(tupleType.target.readonly, modifiers); + return ts.contains(elementTypes, errorType) ? errorType : + createTupleType(elementTypes, newTupleModifiers, newReadonly, tupleType.target.labeledElementDeclarations); + } + function instantiateMappedTypeTemplate(type, key, isOptional, mapper) { + var templateMapper = appendTypeMapping(mapper, getTypeParameterFromMappedType(type), key); + var propType = instantiateType(getTemplateTypeFromMappedType(type.target || type), templateMapper); + var modifiers = getMappedTypeModifiers(type); + return strictNullChecks && modifiers & 4 /* MappedTypeModifiers.IncludeOptional */ && !maybeTypeOfKind(propType, 32768 /* TypeFlags.Undefined */ | 16384 /* TypeFlags.Void */) ? getOptionalType(propType, /*isProperty*/ true) : + strictNullChecks && modifiers & 8 /* MappedTypeModifiers.ExcludeOptional */ && isOptional ? getTypeWithFacts(propType, 524288 /* TypeFacts.NEUndefined */) : + propType; + } + function instantiateAnonymousType(type, mapper, aliasSymbol, aliasTypeArguments) { + var result = createObjectType(type.objectFlags | 64 /* ObjectFlags.Instantiated */, type.symbol); + if (type.objectFlags & 32 /* ObjectFlags.Mapped */) { + result.declaration = type.declaration; + // C.f. instantiateSignature + var origTypeParameter = getTypeParameterFromMappedType(type); + var freshTypeParameter = cloneTypeParameter(origTypeParameter); + result.typeParameter = freshTypeParameter; + mapper = combineTypeMappers(makeUnaryTypeMapper(origTypeParameter, freshTypeParameter), mapper); + freshTypeParameter.mapper = mapper; + } + if (type.objectFlags & 8388608 /* ObjectFlags.InstantiationExpressionType */) { + result.node = type.node; + } + result.target = type; + result.mapper = mapper; + result.aliasSymbol = aliasSymbol || type.aliasSymbol; + result.aliasTypeArguments = aliasSymbol ? aliasTypeArguments : instantiateTypes(type.aliasTypeArguments, mapper); + return result; + } + function getConditionalTypeInstantiation(type, mapper, aliasSymbol, aliasTypeArguments) { + var root = type.root; + if (root.outerTypeParameters) { + // We are instantiating a conditional type that has one or more type parameters in scope. Apply the + // mapper to the type parameters to produce the effective list of type arguments, and compute the + // instantiation cache key from the type IDs of the type arguments. + var typeArguments = ts.map(root.outerTypeParameters, function (t) { return getMappedType(t, mapper); }); + var id = getTypeListId(typeArguments) + getAliasId(aliasSymbol, aliasTypeArguments); + var result = root.instantiations.get(id); + if (!result) { + var newMapper_1 = createTypeMapper(root.outerTypeParameters, typeArguments); + var checkType_1 = root.checkType; + var distributionType = root.isDistributive ? getMappedType(checkType_1, newMapper_1) : undefined; + // Distributive conditional types are distributed over union types. For example, when the + // distributive conditional type T extends U ? X : Y is instantiated with A | B for T, the + // result is (A extends U ? X : Y) | (B extends U ? X : Y). + result = distributionType && checkType_1 !== distributionType && distributionType.flags & (1048576 /* TypeFlags.Union */ | 131072 /* TypeFlags.Never */) ? + mapTypeWithAlias(getReducedType(distributionType), function (t) { return getConditionalType(root, prependTypeMapping(checkType_1, t, newMapper_1)); }, aliasSymbol, aliasTypeArguments) : + getConditionalType(root, newMapper_1, aliasSymbol, aliasTypeArguments); + root.instantiations.set(id, result); + } + return result; + } + return type; + } + function instantiateType(type, mapper) { + return type && mapper ? instantiateTypeWithAlias(type, mapper, /*aliasSymbol*/ undefined, /*aliasTypeArguments*/ undefined) : type; + } + function instantiateTypeWithAlias(type, mapper, aliasSymbol, aliasTypeArguments) { + if (!couldContainTypeVariables(type)) { + return type; + } + if (instantiationDepth === 100 || instantiationCount >= 5000000) { + // We have reached 100 recursive type instantiations, or 5M type instantiations caused by the same statement + // or expression. There is a very high likelyhood we're dealing with a combination of infinite generic types + // that perpetually generate new type identities, so we stop the recursion here by yielding the error type. + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "instantiateType_DepthLimit", { typeId: type.id, instantiationDepth: instantiationDepth, instantiationCount: instantiationCount }); + error(currentNode, ts.Diagnostics.Type_instantiation_is_excessively_deep_and_possibly_infinite); + return errorType; + } + totalInstantiationCount++; + instantiationCount++; + instantiationDepth++; + var result = instantiateTypeWorker(type, mapper, aliasSymbol, aliasTypeArguments); + instantiationDepth--; + return result; + } + function instantiateTypeWorker(type, mapper, aliasSymbol, aliasTypeArguments) { + var flags = type.flags; + if (flags & 262144 /* TypeFlags.TypeParameter */) { + return getMappedType(type, mapper); + } + if (flags & 524288 /* TypeFlags.Object */) { + var objectFlags = type.objectFlags; + if (objectFlags & (4 /* ObjectFlags.Reference */ | 16 /* ObjectFlags.Anonymous */ | 32 /* ObjectFlags.Mapped */)) { + if (objectFlags & 4 /* ObjectFlags.Reference */ && !type.node) { + var resolvedTypeArguments = type.resolvedTypeArguments; + var newTypeArguments = instantiateTypes(resolvedTypeArguments, mapper); + return newTypeArguments !== resolvedTypeArguments ? createNormalizedTypeReference(type.target, newTypeArguments) : type; + } + if (objectFlags & 1024 /* ObjectFlags.ReverseMapped */) { + return instantiateReverseMappedType(type, mapper); + } + return getObjectTypeInstantiation(type, mapper, aliasSymbol, aliasTypeArguments); + } + return type; + } + if (flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + var origin = type.flags & 1048576 /* TypeFlags.Union */ ? type.origin : undefined; + var types = origin && origin.flags & 3145728 /* TypeFlags.UnionOrIntersection */ ? origin.types : type.types; + var newTypes = instantiateTypes(types, mapper); + if (newTypes === types && aliasSymbol === type.aliasSymbol) { + return type; + } + var newAliasSymbol = aliasSymbol || type.aliasSymbol; + var newAliasTypeArguments = aliasSymbol ? aliasTypeArguments : instantiateTypes(type.aliasTypeArguments, mapper); + return flags & 2097152 /* TypeFlags.Intersection */ || origin && origin.flags & 2097152 /* TypeFlags.Intersection */ ? + getIntersectionType(newTypes, newAliasSymbol, newAliasTypeArguments) : + getUnionType(newTypes, 1 /* UnionReduction.Literal */, newAliasSymbol, newAliasTypeArguments); + } + if (flags & 4194304 /* TypeFlags.Index */) { + return getIndexType(instantiateType(type.type, mapper)); + } + if (flags & 134217728 /* TypeFlags.TemplateLiteral */) { + return getTemplateLiteralType(type.texts, instantiateTypes(type.types, mapper)); + } + if (flags & 268435456 /* TypeFlags.StringMapping */) { + return getStringMappingType(type.symbol, instantiateType(type.type, mapper)); + } + if (flags & 8388608 /* TypeFlags.IndexedAccess */) { + var newAliasSymbol = aliasSymbol || type.aliasSymbol; + var newAliasTypeArguments = aliasSymbol ? aliasTypeArguments : instantiateTypes(type.aliasTypeArguments, mapper); + return getIndexedAccessType(instantiateType(type.objectType, mapper), instantiateType(type.indexType, mapper), type.accessFlags, /*accessNode*/ undefined, newAliasSymbol, newAliasTypeArguments); + } + if (flags & 16777216 /* TypeFlags.Conditional */) { + return getConditionalTypeInstantiation(type, combineTypeMappers(type.mapper, mapper), aliasSymbol, aliasTypeArguments); + } + if (flags & 33554432 /* TypeFlags.Substitution */) { + var maybeVariable = instantiateType(type.baseType, mapper); + if (maybeVariable.flags & 8650752 /* TypeFlags.TypeVariable */) { + return getSubstitutionType(maybeVariable, instantiateType(type.substitute, mapper)); + } + else { + var sub = instantiateType(type.substitute, mapper); + if (sub.flags & 3 /* TypeFlags.AnyOrUnknown */ || isTypeAssignableTo(getRestrictiveInstantiation(maybeVariable), getRestrictiveInstantiation(sub))) { + return maybeVariable; + } + return sub; + } + } + return type; + } + function instantiateReverseMappedType(type, mapper) { + var innerMappedType = instantiateType(type.mappedType, mapper); + if (!(ts.getObjectFlags(innerMappedType) & 32 /* ObjectFlags.Mapped */)) { + return type; + } + var innerIndexType = instantiateType(type.constraintType, mapper); + if (!(innerIndexType.flags & 4194304 /* TypeFlags.Index */)) { + return type; + } + var instantiated = inferTypeForHomomorphicMappedType(instantiateType(type.source, mapper), innerMappedType, innerIndexType); + if (instantiated) { + return instantiated; + } + return type; // Nested invocation of `inferTypeForHomomorphicMappedType` or the `source` instantiated into something unmappable + } + function getUniqueLiteralFilledInstantiation(type) { + return type.flags & (131068 /* TypeFlags.Primitive */ | 3 /* TypeFlags.AnyOrUnknown */ | 131072 /* TypeFlags.Never */) ? type : + type.uniqueLiteralFilledInstantiation || (type.uniqueLiteralFilledInstantiation = instantiateType(type, uniqueLiteralMapper)); + } + function getPermissiveInstantiation(type) { + return type.flags & (131068 /* TypeFlags.Primitive */ | 3 /* TypeFlags.AnyOrUnknown */ | 131072 /* TypeFlags.Never */) ? type : + type.permissiveInstantiation || (type.permissiveInstantiation = instantiateType(type, permissiveMapper)); + } + function getRestrictiveInstantiation(type) { + if (type.flags & (131068 /* TypeFlags.Primitive */ | 3 /* TypeFlags.AnyOrUnknown */ | 131072 /* TypeFlags.Never */)) { + return type; + } + if (type.restrictiveInstantiation) { + return type.restrictiveInstantiation; + } + type.restrictiveInstantiation = instantiateType(type, restrictiveMapper); + // We set the following so we don't attempt to set the restrictive instance of a restrictive instance + // which is redundant - we'll produce new type identities, but all type params have already been mapped. + // This also gives us a way to detect restrictive instances upon comparisons and _disable_ the "distributeive constraint" + // assignability check for them, which is distinctly unsafe, as once you have a restrctive instance, all the type parameters + // are constrained to `unknown` and produce tons of false positives/negatives! + type.restrictiveInstantiation.restrictiveInstantiation = type.restrictiveInstantiation; + return type.restrictiveInstantiation; + } + function instantiateIndexInfo(info, mapper) { + return createIndexInfo(info.keyType, instantiateType(info.type, mapper), info.isReadonly, info.declaration); + } + // Returns true if the given expression contains (at any level of nesting) a function or arrow expression + // that is subject to contextual typing. + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 169 /* SyntaxKind.MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: // Function declarations can have context when annotated with a jsdoc @type + return isContextSensitiveFunctionLikeDeclaration(node); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return ts.some(node.properties, isContextSensitive); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return ts.some(node.elements, isContextSensitive); + case 222 /* SyntaxKind.ConditionalExpression */: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 221 /* SyntaxKind.BinaryExpression */: + return (node.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || node.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */) && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 296 /* SyntaxKind.PropertyAssignment */: + return isContextSensitive(node.initializer); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return isContextSensitive(node.expression); + case 286 /* SyntaxKind.JsxAttributes */: + return ts.some(node.properties, isContextSensitive) || ts.isJsxOpeningElement(node.parent) && ts.some(node.parent.parent.children, isContextSensitive); + case 285 /* SyntaxKind.JsxAttribute */: { + // If there is no initializer, JSX attribute has a boolean value of true which is not context sensitive. + var initializer = node.initializer; + return !!initializer && isContextSensitive(initializer); + } + case 288 /* SyntaxKind.JsxExpression */: { + // It is possible to that node.expression is undefined (e.g

    ) + var expression = node.expression; + return !!expression && isContextSensitive(expression); + } + } + return false; + } + function isContextSensitiveFunctionLikeDeclaration(node) { + return (!ts.isFunctionDeclaration(node) || ts.isInJSFile(node) && !!getTypeForDeclarationFromJSDocComment(node)) && + (ts.hasContextSensitiveParameters(node) || hasContextSensitiveReturnExpression(node)); + } + function hasContextSensitiveReturnExpression(node) { + // TODO(anhans): A block should be context-sensitive if it has a context-sensitive return value. + return !node.typeParameters && !ts.getEffectiveReturnTypeNode(node) && !!node.body && node.body.kind !== 235 /* SyntaxKind.Block */ && isContextSensitive(node.body); + } + function isContextSensitiveFunctionOrObjectLiteralMethod(func) { + return (ts.isInJSFile(func) && ts.isFunctionDeclaration(func) || ts.isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && + isContextSensitiveFunctionLikeDeclaration(func); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 524288 /* TypeFlags.Object */) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length || resolved.callSignatures.length) { + var result = createObjectType(16 /* ObjectFlags.Anonymous */, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = ts.emptyArray; + result.constructSignatures = ts.emptyArray; + result.indexInfos = ts.emptyArray; + return result; + } + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return getIntersectionType(ts.map(type.types, getTypeWithoutSignatures)); + } + return type; + } + // TYPE CHECKING + function isTypeIdenticalTo(source, target) { + return isTypeRelatedTo(source, target, identityRelation); + } + function compareTypesIdentical(source, target) { + return isTypeRelatedTo(source, target, identityRelation) ? -1 /* Ternary.True */ : 0 /* Ternary.False */; + } + function compareTypesAssignable(source, target) { + return isTypeRelatedTo(source, target, assignableRelation) ? -1 /* Ternary.True */ : 0 /* Ternary.False */; + } + function compareTypesSubtypeOf(source, target) { + return isTypeRelatedTo(source, target, subtypeRelation) ? -1 /* Ternary.True */ : 0 /* Ternary.False */; + } + function isTypeSubtypeOf(source, target) { + return isTypeRelatedTo(source, target, subtypeRelation); + } + function isTypeAssignableTo(source, target) { + return isTypeRelatedTo(source, target, assignableRelation); + } + // An object type S is considered to be derived from an object type T if + // S is a union type and every constituent of S is derived from T, + // T is a union type and S is derived from at least one constituent of T, or + // S is a type variable with a base constraint that is derived from T, + // T is one of the global types Object and Function and S is a subtype of T, or + // T occurs directly or indirectly in an 'extends' clause of S. + // Note that this check ignores type parameters and only considers the + // inheritance hierarchy. + function isTypeDerivedFrom(source, target) { + return source.flags & 1048576 /* TypeFlags.Union */ ? ts.every(source.types, function (t) { return isTypeDerivedFrom(t, target); }) : + target.flags & 1048576 /* TypeFlags.Union */ ? ts.some(target.types, function (t) { return isTypeDerivedFrom(source, t); }) : + source.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */ ? isTypeDerivedFrom(getBaseConstraintOfType(source) || unknownType, target) : + target === globalObjectType ? !!(source.flags & (524288 /* TypeFlags.Object */ | 67108864 /* TypeFlags.NonPrimitive */)) : + target === globalFunctionType ? !!(source.flags & 524288 /* TypeFlags.Object */) && isFunctionObjectType(source) : + hasBaseType(source, getTargetType(target)) || (isArrayType(target) && !isReadonlyArrayType(target) && isTypeDerivedFrom(source, globalReadonlyArrayType)); + } + /** + * This is *not* a bi-directional relationship. + * If one needs to check both directions for comparability, use a second call to this function or 'checkTypeComparableTo'. + * + * A type S is comparable to a type T if some (but not necessarily all) of the possible values of S are also possible values of T. + * It is used to check following cases: + * - the types of the left and right sides of equality/inequality operators (`===`, `!==`, `==`, `!=`). + * - the types of `case` clause expressions and their respective `switch` expressions. + * - the type of an expression in a type assertion with the type being asserted. + */ + function isTypeComparableTo(source, target) { + return isTypeRelatedTo(source, target, comparableRelation); + } + function areTypesComparable(type1, type2) { + return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain, errorOutputObject) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain, errorOutputObject); + } + /** + * Like `checkTypeAssignableTo`, but if it would issue an error, instead performs structural comparisons of the types using the given expression node to + * attempt to issue more specific errors on, for example, specific object literal properties or tuple members. + */ + function checkTypeAssignableToAndOptionallyElaborate(source, target, errorNode, expr, headMessage, containingMessageChain) { + return checkTypeRelatedToAndOptionallyElaborate(source, target, assignableRelation, errorNode, expr, headMessage, containingMessageChain, /*errorOutputContainer*/ undefined); + } + function checkTypeRelatedToAndOptionallyElaborate(source, target, relation, errorNode, expr, headMessage, containingMessageChain, errorOutputContainer) { + if (isTypeRelatedTo(source, target, relation)) + return true; + if (!errorNode || !elaborateError(expr, source, target, relation, headMessage, containingMessageChain, errorOutputContainer)) { + return checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain, errorOutputContainer); + } + return false; + } + function isOrHasGenericConditional(type) { + return !!(type.flags & 16777216 /* TypeFlags.Conditional */ || (type.flags & 2097152 /* TypeFlags.Intersection */ && ts.some(type.types, isOrHasGenericConditional))); + } + function elaborateError(node, source, target, relation, headMessage, containingMessageChain, errorOutputContainer) { + if (!node || isOrHasGenericConditional(target)) + return false; + if (!checkTypeRelatedTo(source, target, relation, /*errorNode*/ undefined) + && elaborateDidYouMeanToCallOrConstruct(node, source, target, relation, headMessage, containingMessageChain, errorOutputContainer)) { + return true; + } + switch (node.kind) { + case 288 /* SyntaxKind.JsxExpression */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + return elaborateError(node.expression, source, target, relation, headMessage, containingMessageChain, errorOutputContainer); + case 221 /* SyntaxKind.BinaryExpression */: + switch (node.operatorToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + case 27 /* SyntaxKind.CommaToken */: + return elaborateError(node.right, source, target, relation, headMessage, containingMessageChain, errorOutputContainer); + } + break; + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return elaborateObjectLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return elaborateArrayLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer); + case 286 /* SyntaxKind.JsxAttributes */: + return elaborateJsxComponents(node, source, target, relation, containingMessageChain, errorOutputContainer); + case 214 /* SyntaxKind.ArrowFunction */: + return elaborateArrowFunction(node, source, target, relation, containingMessageChain, errorOutputContainer); + } + return false; + } + function elaborateDidYouMeanToCallOrConstruct(node, source, target, relation, headMessage, containingMessageChain, errorOutputContainer) { + var callSignatures = getSignaturesOfType(source, 0 /* SignatureKind.Call */); + var constructSignatures = getSignaturesOfType(source, 1 /* SignatureKind.Construct */); + for (var _i = 0, _a = [constructSignatures, callSignatures]; _i < _a.length; _i++) { + var signatures = _a[_i]; + if (ts.some(signatures, function (s) { + var returnType = getReturnTypeOfSignature(s); + return !(returnType.flags & (1 /* TypeFlags.Any */ | 131072 /* TypeFlags.Never */)) && checkTypeRelatedTo(returnType, target, relation, /*errorNode*/ undefined); + })) { + var resultObj = errorOutputContainer || {}; + checkTypeAssignableTo(source, target, node, headMessage, containingMessageChain, resultObj); + var diagnostic = resultObj.errors[resultObj.errors.length - 1]; + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(node, signatures === constructSignatures ? ts.Diagnostics.Did_you_mean_to_use_new_with_this_expression : ts.Diagnostics.Did_you_mean_to_call_this_expression)); + return true; + } + } + return false; + } + function elaborateArrowFunction(node, source, target, relation, containingMessageChain, errorOutputContainer) { + // Don't elaborate blocks + if (ts.isBlock(node.body)) { + return false; + } + // Or functions with annotated parameter types + if (ts.some(node.parameters, ts.hasType)) { + return false; + } + var sourceSig = getSingleCallSignature(source); + if (!sourceSig) { + return false; + } + var targetSignatures = getSignaturesOfType(target, 0 /* SignatureKind.Call */); + if (!ts.length(targetSignatures)) { + return false; + } + var returnExpression = node.body; + var sourceReturn = getReturnTypeOfSignature(sourceSig); + var targetReturn = getUnionType(ts.map(targetSignatures, getReturnTypeOfSignature)); + if (!checkTypeRelatedTo(sourceReturn, targetReturn, relation, /*errorNode*/ undefined)) { + var elaborated = returnExpression && elaborateError(returnExpression, sourceReturn, targetReturn, relation, /*headMessage*/ undefined, containingMessageChain, errorOutputContainer); + if (elaborated) { + return elaborated; + } + var resultObj = errorOutputContainer || {}; + checkTypeRelatedTo(sourceReturn, targetReturn, relation, returnExpression, /*message*/ undefined, containingMessageChain, resultObj); + if (resultObj.errors) { + if (target.symbol && ts.length(target.symbol.declarations)) { + ts.addRelatedInfo(resultObj.errors[resultObj.errors.length - 1], ts.createDiagnosticForNode(target.symbol.declarations[0], ts.Diagnostics.The_expected_type_comes_from_the_return_type_of_this_signature)); + } + if ((ts.getFunctionFlags(node) & 2 /* FunctionFlags.Async */) === 0 + // exclude cases where source itself is promisy - this way we don't make a suggestion when relating + // an IPromise and a Promise that are slightly different + && !getTypeOfPropertyOfType(sourceReturn, "then") + && checkTypeRelatedTo(createPromiseType(sourceReturn), targetReturn, relation, /*errorNode*/ undefined)) { + ts.addRelatedInfo(resultObj.errors[resultObj.errors.length - 1], ts.createDiagnosticForNode(node, ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async)); + } + return true; + } + } + return false; + } + function getBestMatchIndexedAccessTypeOrUndefined(source, target, nameType) { + var idx = getIndexedAccessTypeOrUndefined(target, nameType); + if (idx) { + return idx; + } + if (target.flags & 1048576 /* TypeFlags.Union */) { + var best = getBestMatchingType(source, target); + if (best) { + return getIndexedAccessTypeOrUndefined(best, nameType); + } + } + } + function checkExpressionForMutableLocationWithContextualType(next, sourcePropType) { + next.contextualType = sourcePropType; + try { + return checkExpressionForMutableLocation(next, 1 /* CheckMode.Contextual */, sourcePropType); + } + finally { + next.contextualType = undefined; + } + } + /** + * For every element returned from the iterator, checks that element to issue an error on a property of that element's type + * If that element would issue an error, we first attempt to dive into that element's inner expression and issue a more specific error by recuring into `elaborateError` + * Otherwise, we issue an error on _every_ element which fail the assignability check + */ + function elaborateElementwise(iterator, source, target, relation, containingMessageChain, errorOutputContainer) { + // Assignability failure - check each prop individually, and if that fails, fall back on the bad error span + var reportedError = false; + for (var status = iterator.next(); !status.done; status = iterator.next()) { + var _a = status.value, prop = _a.errorNode, next = _a.innerExpression, nameType = _a.nameType, errorMessage = _a.errorMessage; + var targetPropType = getBestMatchIndexedAccessTypeOrUndefined(source, target, nameType); + if (!targetPropType || targetPropType.flags & 8388608 /* TypeFlags.IndexedAccess */) + continue; // Don't elaborate on indexes on generic variables + var sourcePropType = getIndexedAccessTypeOrUndefined(source, nameType); + if (!sourcePropType) + continue; + var propName = getPropertyNameFromIndex(nameType, /*accessNode*/ undefined); + if (!checkTypeRelatedTo(sourcePropType, targetPropType, relation, /*errorNode*/ undefined)) { + var elaborated = next && elaborateError(next, sourcePropType, targetPropType, relation, /*headMessage*/ undefined, containingMessageChain, errorOutputContainer); + reportedError = true; + if (!elaborated) { + // Issue error on the prop itself, since the prop couldn't elaborate the error + var resultObj = errorOutputContainer || {}; + // Use the expression type, if available + var specificSource = next ? checkExpressionForMutableLocationWithContextualType(next, sourcePropType) : sourcePropType; + if (exactOptionalPropertyTypes && isExactOptionalPropertyMismatch(specificSource, targetPropType)) { + var diag = ts.createDiagnosticForNode(prop, ts.Diagnostics.Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_type_of_the_target, typeToString(specificSource), typeToString(targetPropType)); + diagnostics.add(diag); + resultObj.errors = [diag]; + } + else { + var targetIsOptional = !!(propName && (getPropertyOfType(target, propName) || unknownSymbol).flags & 16777216 /* SymbolFlags.Optional */); + var sourceIsOptional = !!(propName && (getPropertyOfType(source, propName) || unknownSymbol).flags & 16777216 /* SymbolFlags.Optional */); + targetPropType = removeMissingType(targetPropType, targetIsOptional); + sourcePropType = removeMissingType(sourcePropType, targetIsOptional && sourceIsOptional); + var result = checkTypeRelatedTo(specificSource, targetPropType, relation, prop, errorMessage, containingMessageChain, resultObj); + if (result && specificSource !== sourcePropType) { + // If for whatever reason the expression type doesn't yield an error, make sure we still issue an error on the sourcePropType + checkTypeRelatedTo(sourcePropType, targetPropType, relation, prop, errorMessage, containingMessageChain, resultObj); + } + } + if (resultObj.errors) { + var reportedDiag = resultObj.errors[resultObj.errors.length - 1]; + var propertyName = isTypeUsableAsPropertyName(nameType) ? getPropertyNameFromType(nameType) : undefined; + var targetProp = propertyName !== undefined ? getPropertyOfType(target, propertyName) : undefined; + var issuedElaboration = false; + if (!targetProp) { + var indexInfo = getApplicableIndexInfo(target, nameType); + if (indexInfo && indexInfo.declaration && !ts.getSourceFileOfNode(indexInfo.declaration).hasNoDefaultLib) { + issuedElaboration = true; + ts.addRelatedInfo(reportedDiag, ts.createDiagnosticForNode(indexInfo.declaration, ts.Diagnostics.The_expected_type_comes_from_this_index_signature)); + } + } + if (!issuedElaboration && (targetProp && ts.length(targetProp.declarations) || target.symbol && ts.length(target.symbol.declarations))) { + var targetNode = targetProp && ts.length(targetProp.declarations) ? targetProp.declarations[0] : target.symbol.declarations[0]; + if (!ts.getSourceFileOfNode(targetNode).hasNoDefaultLib) { + ts.addRelatedInfo(reportedDiag, ts.createDiagnosticForNode(targetNode, ts.Diagnostics.The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1, propertyName && !(nameType.flags & 8192 /* TypeFlags.UniqueESSymbol */) ? ts.unescapeLeadingUnderscores(propertyName) : typeToString(nameType), typeToString(target))); + } + } + } + } + } + } + return reportedError; + } + function generateJsxAttributes(node) { + var _i, _a, prop; + return __generator(this, function (_b) { + switch (_b.label) { + case 0: + if (!ts.length(node.properties)) + return [2 /*return*/]; + _i = 0, _a = node.properties; + _b.label = 1; + case 1: + if (!(_i < _a.length)) return [3 /*break*/, 4]; + prop = _a[_i]; + if (ts.isJsxSpreadAttribute(prop) || isHyphenatedJsxName(ts.idText(prop.name))) + return [3 /*break*/, 3]; + return [4 /*yield*/, { errorNode: prop.name, innerExpression: prop.initializer, nameType: getStringLiteralType(ts.idText(prop.name)) }]; + case 2: + _b.sent(); + _b.label = 3; + case 3: + _i++; + return [3 /*break*/, 1]; + case 4: return [2 /*return*/]; + } + }); + } + function generateJsxChildren(node, getInvalidTextDiagnostic) { + var memberOffset, i, child, nameType, elem; + return __generator(this, function (_a) { + switch (_a.label) { + case 0: + if (!ts.length(node.children)) + return [2 /*return*/]; + memberOffset = 0; + i = 0; + _a.label = 1; + case 1: + if (!(i < node.children.length)) return [3 /*break*/, 5]; + child = node.children[i]; + nameType = getNumberLiteralType(i - memberOffset); + elem = getElaborationElementForJsxChild(child, nameType, getInvalidTextDiagnostic); + if (!elem) return [3 /*break*/, 3]; + return [4 /*yield*/, elem]; + case 2: + _a.sent(); + return [3 /*break*/, 4]; + case 3: + memberOffset++; + _a.label = 4; + case 4: + i++; + return [3 /*break*/, 1]; + case 5: return [2 /*return*/]; + } + }); + } + function getElaborationElementForJsxChild(child, nameType, getInvalidTextDiagnostic) { + switch (child.kind) { + case 288 /* SyntaxKind.JsxExpression */: + // child is of the type of the expression + return { errorNode: child, innerExpression: child.expression, nameType: nameType }; + case 11 /* SyntaxKind.JsxText */: + if (child.containsOnlyTriviaWhiteSpaces) { + break; // Whitespace only jsx text isn't real jsx text + } + // child is a string + return { errorNode: child, innerExpression: undefined, nameType: nameType, errorMessage: getInvalidTextDiagnostic() }; + case 278 /* SyntaxKind.JsxElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 282 /* SyntaxKind.JsxFragment */: + // child is of type JSX.Element + return { errorNode: child, innerExpression: child, nameType: nameType }; + default: + return ts.Debug.assertNever(child, "Found invalid jsx child"); + } + } + function elaborateJsxComponents(node, source, target, relation, containingMessageChain, errorOutputContainer) { + var result = elaborateElementwise(generateJsxAttributes(node), source, target, relation, containingMessageChain, errorOutputContainer); + var invalidTextDiagnostic; + if (ts.isJsxOpeningElement(node.parent) && ts.isJsxElement(node.parent.parent)) { + var containingElement = node.parent.parent; + var childPropName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(node)); + var childrenPropName = childPropName === undefined ? "children" : ts.unescapeLeadingUnderscores(childPropName); + var childrenNameType = getStringLiteralType(childrenPropName); + var childrenTargetType = getIndexedAccessType(target, childrenNameType); + var validChildren = ts.getSemanticJsxChildren(containingElement.children); + if (!ts.length(validChildren)) { + return result; + } + var moreThanOneRealChildren = ts.length(validChildren) > 1; + var arrayLikeTargetParts = filterType(childrenTargetType, isArrayOrTupleLikeType); + var nonArrayLikeTargetParts = filterType(childrenTargetType, function (t) { return !isArrayOrTupleLikeType(t); }); + if (moreThanOneRealChildren) { + if (arrayLikeTargetParts !== neverType) { + var realSource = createTupleType(checkJsxChildren(containingElement, 0 /* CheckMode.Normal */)); + var children = generateJsxChildren(containingElement, getInvalidTextualChildDiagnostic); + result = elaborateElementwise(children, realSource, arrayLikeTargetParts, relation, containingMessageChain, errorOutputContainer) || result; + } + else if (!isTypeRelatedTo(getIndexedAccessType(source, childrenNameType), childrenTargetType, relation)) { + // arity mismatch + result = true; + var diag = error(containingElement.openingElement.tagName, ts.Diagnostics.This_JSX_tag_s_0_prop_expects_a_single_child_of_type_1_but_multiple_children_were_provided, childrenPropName, typeToString(childrenTargetType)); + if (errorOutputContainer && errorOutputContainer.skipLogging) { + (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag); + } + } + } + else { + if (nonArrayLikeTargetParts !== neverType) { + var child = validChildren[0]; + var elem_1 = getElaborationElementForJsxChild(child, childrenNameType, getInvalidTextualChildDiagnostic); + if (elem_1) { + result = elaborateElementwise((function () { return __generator(this, function (_a) { + switch (_a.label) { + case 0: return [4 /*yield*/, elem_1]; + case 1: + _a.sent(); + return [2 /*return*/]; + } + }); })(), source, target, relation, containingMessageChain, errorOutputContainer) || result; + } + } + else if (!isTypeRelatedTo(getIndexedAccessType(source, childrenNameType), childrenTargetType, relation)) { + // arity mismatch + result = true; + var diag = error(containingElement.openingElement.tagName, ts.Diagnostics.This_JSX_tag_s_0_prop_expects_type_1_which_requires_multiple_children_but_only_a_single_child_was_provided, childrenPropName, typeToString(childrenTargetType)); + if (errorOutputContainer && errorOutputContainer.skipLogging) { + (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag); + } + } + } + } + return result; + function getInvalidTextualChildDiagnostic() { + if (!invalidTextDiagnostic) { + var tagNameText = ts.getTextOfNode(node.parent.tagName); + var childPropName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(node)); + var childrenPropName = childPropName === undefined ? "children" : ts.unescapeLeadingUnderscores(childPropName); + var childrenTargetType = getIndexedAccessType(target, getStringLiteralType(childrenPropName)); + var diagnostic = ts.Diagnostics._0_components_don_t_accept_text_as_child_elements_Text_in_JSX_has_the_type_string_but_the_expected_type_of_1_is_2; + invalidTextDiagnostic = __assign(__assign({}, diagnostic), { key: "!!ALREADY FORMATTED!!", message: ts.formatMessage(/*_dummy*/ undefined, diagnostic, tagNameText, childrenPropName, typeToString(childrenTargetType)) }); + } + return invalidTextDiagnostic; + } + } + function generateLimitedTupleElements(node, target) { + var len, i, elem, nameType; + return __generator(this, function (_a) { + switch (_a.label) { + case 0: + len = ts.length(node.elements); + if (!len) + return [2 /*return*/]; + i = 0; + _a.label = 1; + case 1: + if (!(i < len)) return [3 /*break*/, 4]; + // Skip elements which do not exist in the target - a length error on the tuple overall is likely better than an error on a mismatched index signature + if (isTupleLikeType(target) && !getPropertyOfType(target, ("" + i))) + return [3 /*break*/, 3]; + elem = node.elements[i]; + if (ts.isOmittedExpression(elem)) + return [3 /*break*/, 3]; + nameType = getNumberLiteralType(i); + return [4 /*yield*/, { errorNode: elem, innerExpression: elem, nameType: nameType }]; + case 2: + _a.sent(); + _a.label = 3; + case 3: + i++; + return [3 /*break*/, 1]; + case 4: return [2 /*return*/]; + } + }); + } + function elaborateArrayLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer) { + if (target.flags & 131068 /* TypeFlags.Primitive */) + return false; + if (isTupleLikeType(source)) { + return elaborateElementwise(generateLimitedTupleElements(node, target), source, target, relation, containingMessageChain, errorOutputContainer); + } + // recreate a tuple from the elements, if possible + // Since we're re-doing the expression type, we need to reapply the contextual type + var oldContext = node.contextualType; + node.contextualType = target; + try { + var tupleizedType = checkArrayLiteral(node, 1 /* CheckMode.Contextual */, /*forceTuple*/ true); + node.contextualType = oldContext; + if (isTupleLikeType(tupleizedType)) { + return elaborateElementwise(generateLimitedTupleElements(node, target), tupleizedType, target, relation, containingMessageChain, errorOutputContainer); + } + return false; + } + finally { + node.contextualType = oldContext; + } + } + function generateObjectLiteralElements(node) { + var _i, _a, prop, type, _b; + return __generator(this, function (_c) { + switch (_c.label) { + case 0: + if (!ts.length(node.properties)) + return [2 /*return*/]; + _i = 0, _a = node.properties; + _c.label = 1; + case 1: + if (!(_i < _a.length)) return [3 /*break*/, 8]; + prop = _a[_i]; + if (ts.isSpreadAssignment(prop)) + return [3 /*break*/, 7]; + type = getLiteralTypeFromProperty(getSymbolOfNode(prop), 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */); + if (!type || (type.flags & 131072 /* TypeFlags.Never */)) { + return [3 /*break*/, 7]; + } + _b = prop.kind; + switch (_b) { + case 173 /* SyntaxKind.SetAccessor */: return [3 /*break*/, 2]; + case 172 /* SyntaxKind.GetAccessor */: return [3 /*break*/, 2]; + case 169 /* SyntaxKind.MethodDeclaration */: return [3 /*break*/, 2]; + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: return [3 /*break*/, 2]; + case 296 /* SyntaxKind.PropertyAssignment */: return [3 /*break*/, 4]; + } + return [3 /*break*/, 6]; + case 2: return [4 /*yield*/, { errorNode: prop.name, innerExpression: undefined, nameType: type }]; + case 3: + _c.sent(); + return [3 /*break*/, 7]; + case 4: return [4 /*yield*/, { errorNode: prop.name, innerExpression: prop.initializer, nameType: type, errorMessage: ts.isComputedNonLiteralName(prop.name) ? ts.Diagnostics.Type_of_computed_property_s_value_is_0_which_is_not_assignable_to_type_1 : undefined }]; + case 5: + _c.sent(); + return [3 /*break*/, 7]; + case 6: + ts.Debug.assertNever(prop); + _c.label = 7; + case 7: + _i++; + return [3 /*break*/, 1]; + case 8: return [2 /*return*/]; + } + }); + } + function elaborateObjectLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer) { + if (target.flags & 131068 /* TypeFlags.Primitive */) + return false; + return elaborateElementwise(generateObjectLiteralElements(node), source, target, relation, containingMessageChain, errorOutputContainer); + } + /** + * This is *not* a bi-directional relationship. + * If one needs to check both directions for comparability, use a second call to this function or 'isTypeComparableTo'. + */ + function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes ? 4 /* SignatureCheckMode.IgnoreReturnTypes */ : 0, /*reportErrors*/ false, + /*errorReporter*/ undefined, /*errorReporter*/ undefined, compareTypesAssignable, /*reportUnreliableMarkers*/ undefined) !== 0 /* Ternary.False */; + } + /** + * Returns true if `s` is `(...args: any[]) => any` or `(this: any, ...args: any[]) => any` + */ + function isAnySignature(s) { + return !s.typeParameters && (!s.thisParameter || isTypeAny(getTypeOfParameter(s.thisParameter))) && s.parameters.length === 1 && + signatureHasRestParameter(s) && (getTypeOfParameter(s.parameters[0]) === anyArrayType || isTypeAny(getTypeOfParameter(s.parameters[0]))) && + isTypeAny(getReturnTypeOfSignature(s)); + } + /** + * See signatureRelatedTo, compareSignaturesIdentical + */ + function compareSignaturesRelated(source, target, checkMode, reportErrors, errorReporter, incompatibleErrorReporter, compareTypes, reportUnreliableMarkers) { + // TODO (drosen): De-duplicate code between related functions. + if (source === target) { + return -1 /* Ternary.True */; + } + if (isAnySignature(target)) { + return -1 /* Ternary.True */; + } + var targetCount = getParameterCount(target); + var sourceHasMoreParameters = !hasEffectiveRestParameter(target) && + (checkMode & 8 /* SignatureCheckMode.StrictArity */ ? hasEffectiveRestParameter(source) || getParameterCount(source) > targetCount : getMinArgumentCount(source) > targetCount); + if (sourceHasMoreParameters) { + return 0 /* Ternary.False */; + } + if (source.typeParameters && source.typeParameters !== target.typeParameters) { + target = getCanonicalSignature(target); + source = instantiateSignatureInContextOf(source, target, /*inferenceContext*/ undefined, compareTypes); + } + var sourceCount = getParameterCount(source); + var sourceRestType = getNonArrayRestType(source); + var targetRestType = getNonArrayRestType(target); + if (sourceRestType || targetRestType) { + void instantiateType(sourceRestType || targetRestType, reportUnreliableMarkers); + } + var kind = target.declaration ? target.declaration.kind : 0 /* SyntaxKind.Unknown */; + var strictVariance = !(checkMode & 3 /* SignatureCheckMode.Callback */) && strictFunctionTypes && kind !== 169 /* SyntaxKind.MethodDeclaration */ && + kind !== 168 /* SyntaxKind.MethodSignature */ && kind !== 171 /* SyntaxKind.Constructor */; + var result = -1 /* Ternary.True */; + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType && sourceThisType !== voidType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + // void sources are assignable to anything. + var related = !strictVariance && compareTypes(sourceThisType, targetThisType, /*reportErrors*/ false) + || compareTypes(targetThisType, sourceThisType, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible); + } + return 0 /* Ternary.False */; + } + result &= related; + } + } + var paramCount = sourceRestType || targetRestType ? Math.min(sourceCount, targetCount) : Math.max(sourceCount, targetCount); + var restIndex = sourceRestType || targetRestType ? paramCount - 1 : -1; + for (var i = 0; i < paramCount; i++) { + var sourceType = i === restIndex ? getRestTypeAtPosition(source, i) : tryGetTypeAtPosition(source, i); + var targetType = i === restIndex ? getRestTypeAtPosition(target, i) : tryGetTypeAtPosition(target, i); + if (sourceType && targetType) { + // In order to ensure that any generic type Foo is at least co-variant with respect to T no matter + // how Foo uses T, we need to relate parameters bi-variantly (given that parameters are input positions, + // they naturally relate only contra-variantly). However, if the source and target parameters both have + // function types with a single call signature, we know we are relating two callback parameters. In + // that case it is sufficient to only relate the parameters of the signatures co-variantly because, + // similar to return values, callback parameters are output positions. This means that a Promise, + // where T is used only in callback parameter positions, will be co-variant (as opposed to bi-variant) + // with respect to T. + var sourceSig = checkMode & 3 /* SignatureCheckMode.Callback */ ? undefined : getSingleCallSignature(getNonNullableType(sourceType)); + var targetSig = checkMode & 3 /* SignatureCheckMode.Callback */ ? undefined : getSingleCallSignature(getNonNullableType(targetType)); + var callbacks = sourceSig && targetSig && !getTypePredicateOfSignature(sourceSig) && !getTypePredicateOfSignature(targetSig) && + (getFalsyFlags(sourceType) & 98304 /* TypeFlags.Nullable */) === (getFalsyFlags(targetType) & 98304 /* TypeFlags.Nullable */); + var related = callbacks ? + compareSignaturesRelated(targetSig, sourceSig, (checkMode & 8 /* SignatureCheckMode.StrictArity */) | (strictVariance ? 2 /* SignatureCheckMode.StrictCallback */ : 1 /* SignatureCheckMode.BivariantCallback */), reportErrors, errorReporter, incompatibleErrorReporter, compareTypes, reportUnreliableMarkers) : + !(checkMode & 3 /* SignatureCheckMode.Callback */) && !strictVariance && compareTypes(sourceType, targetType, /*reportErrors*/ false) || compareTypes(targetType, sourceType, reportErrors); + // With strict arity, (x: number | undefined) => void is a subtype of (x?: number | undefined) => void + if (related && checkMode & 8 /* SignatureCheckMode.StrictArity */ && i >= getMinArgumentCount(source) && i < getMinArgumentCount(target) && compareTypes(sourceType, targetType, /*reportErrors*/ false)) { + related = 0 /* Ternary.False */; + } + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, ts.unescapeLeadingUnderscores(getParameterNameAtPosition(source, i)), ts.unescapeLeadingUnderscores(getParameterNameAtPosition(target, i))); + } + return 0 /* Ternary.False */; + } + result &= related; + } + } + if (!(checkMode & 4 /* SignatureCheckMode.IgnoreReturnTypes */)) { + // If a signature resolution is already in-flight, skip issuing a circularity error + // here and just use the `any` type directly + var targetReturnType = isResolvingReturnTypeOfSignature(target) ? anyType + : target.declaration && isJSConstructor(target.declaration) ? getDeclaredTypeOfClassOrInterface(getMergedSymbol(target.declaration.symbol)) + : getReturnTypeOfSignature(target); + if (targetReturnType === voidType || targetReturnType === anyType) { + return result; + } + var sourceReturnType = isResolvingReturnTypeOfSignature(source) ? anyType + : source.declaration && isJSConstructor(source.declaration) ? getDeclaredTypeOfClassOrInterface(getMergedSymbol(source.declaration.symbol)) + : getReturnTypeOfSignature(source); + // The following block preserves behavior forbidding boolean returning functions from being assignable to type guard returning functions + var targetTypePredicate = getTypePredicateOfSignature(target); + if (targetTypePredicate) { + var sourceTypePredicate = getTypePredicateOfSignature(source); + if (sourceTypePredicate) { + result &= compareTypePredicateRelatedTo(sourceTypePredicate, targetTypePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(targetTypePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_be_a_type_predicate, signatureToString(source)); + } + return 0 /* Ternary.False */; + } + } + else { + // When relating callback signatures, we still need to relate return types bi-variantly as otherwise + // the containing type wouldn't be co-variant. For example, interface Foo { add(cb: () => T): void } + // wouldn't be co-variant for T without this rule. + result &= checkMode & 1 /* SignatureCheckMode.BivariantCallback */ && compareTypes(targetReturnType, sourceReturnType, /*reportErrors*/ false) || + compareTypes(sourceReturnType, targetReturnType, reportErrors); + if (!result && reportErrors && incompatibleErrorReporter) { + incompatibleErrorReporter(sourceReturnType, targetReturnType); + } + } + } + return result; + } + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0 /* Ternary.False */; + } + if (source.kind === 1 /* TypePredicateKind.Identifier */ || source.kind === 3 /* TypePredicateKind.AssertsIdentifier */) { + if (source.parameterIndex !== target.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, source.parameterName, target.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0 /* Ternary.False */; + } + } + var related = source.type === target.type ? -1 /* Ternary.True */ : + source.type && target.type ? compareTypes(source.type, target.type, reportErrors) : + 0 /* Ternary.False */; + if (related === 0 /* Ternary.False */ && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return related; + } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + // First see if the return types are compatible in either direction. + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation) + || isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, /*ignoreReturnTypes*/ true); + } + return false; + } + function isEmptyResolvedType(t) { + return t !== anyFunctionType && + t.properties.length === 0 && + t.callSignatures.length === 0 && + t.constructSignatures.length === 0 && + t.indexInfos.length === 0; + } + function isEmptyObjectType(type) { + return type.flags & 524288 /* TypeFlags.Object */ ? !isGenericMappedType(type) && isEmptyResolvedType(resolveStructuredTypeMembers(type)) : + type.flags & 67108864 /* TypeFlags.NonPrimitive */ ? true : + type.flags & 1048576 /* TypeFlags.Union */ ? ts.some(type.types, isEmptyObjectType) : + type.flags & 2097152 /* TypeFlags.Intersection */ ? ts.every(type.types, isEmptyObjectType) : + false; + } + function isEmptyAnonymousObjectType(type) { + return !!(ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */ && (type.members && isEmptyResolvedType(type) || + type.symbol && type.symbol.flags & 2048 /* SymbolFlags.TypeLiteral */ && getMembersOfSymbol(type.symbol).size === 0)); + } + function isStringIndexSignatureOnlyType(type) { + return type.flags & 524288 /* TypeFlags.Object */ && !isGenericMappedType(type) && getPropertiesOfType(type).length === 0 && getIndexInfosOfType(type).length === 1 && !!getIndexInfoOfType(type, stringType) || + type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ && ts.every(type.types, isStringIndexSignatureOnlyType) || + false; + } + function isEnumTypeRelatedTo(sourceSymbol, targetSymbol, errorReporter) { + if (sourceSymbol === targetSymbol) { + return true; + } + var id = getSymbolId(sourceSymbol) + "," + getSymbolId(targetSymbol); + var entry = enumRelation.get(id); + if (entry !== undefined && !(!(entry & 4 /* RelationComparisonResult.Reported */) && entry & 2 /* RelationComparisonResult.Failed */ && errorReporter)) { + return !!(entry & 1 /* RelationComparisonResult.Succeeded */); + } + if (sourceSymbol.escapedName !== targetSymbol.escapedName || !(sourceSymbol.flags & 256 /* SymbolFlags.RegularEnum */) || !(targetSymbol.flags & 256 /* SymbolFlags.RegularEnum */)) { + enumRelation.set(id, 2 /* RelationComparisonResult.Failed */ | 4 /* RelationComparisonResult.Reported */); + return false; + } + var targetEnumType = getTypeOfSymbol(targetSymbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(sourceSymbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8 /* SymbolFlags.EnumMember */) { + var targetProperty = getPropertyOfType(targetEnumType, property.escapedName); + if (!targetProperty || !(targetProperty.flags & 8 /* SymbolFlags.EnumMember */)) { + if (errorReporter) { + errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, ts.symbolName(property), typeToString(getDeclaredTypeOfSymbol(targetSymbol), /*enclosingDeclaration*/ undefined, 64 /* TypeFormatFlags.UseFullyQualifiedType */)); + enumRelation.set(id, 2 /* RelationComparisonResult.Failed */ | 4 /* RelationComparisonResult.Reported */); + } + else { + enumRelation.set(id, 2 /* RelationComparisonResult.Failed */); + } + return false; + } + } + } + enumRelation.set(id, 1 /* RelationComparisonResult.Succeeded */); + return true; + } + function isSimpleTypeRelatedTo(source, target, relation, errorReporter) { + var s = source.flags; + var t = target.flags; + if (t & 3 /* TypeFlags.AnyOrUnknown */ || s & 131072 /* TypeFlags.Never */ || source === wildcardType) + return true; + if (t & 131072 /* TypeFlags.Never */) + return false; + if (s & 402653316 /* TypeFlags.StringLike */ && t & 4 /* TypeFlags.String */) + return true; + if (s & 128 /* TypeFlags.StringLiteral */ && s & 1024 /* TypeFlags.EnumLiteral */ && + t & 128 /* TypeFlags.StringLiteral */ && !(t & 1024 /* TypeFlags.EnumLiteral */) && + source.value === target.value) + return true; + if (s & 296 /* TypeFlags.NumberLike */ && t & 8 /* TypeFlags.Number */) + return true; + if (s & 256 /* TypeFlags.NumberLiteral */ && s & 1024 /* TypeFlags.EnumLiteral */ && + t & 256 /* TypeFlags.NumberLiteral */ && !(t & 1024 /* TypeFlags.EnumLiteral */) && + source.value === target.value) + return true; + if (s & 2112 /* TypeFlags.BigIntLike */ && t & 64 /* TypeFlags.BigInt */) + return true; + if (s & 528 /* TypeFlags.BooleanLike */ && t & 16 /* TypeFlags.Boolean */) + return true; + if (s & 12288 /* TypeFlags.ESSymbolLike */ && t & 4096 /* TypeFlags.ESSymbol */) + return true; + if (s & 32 /* TypeFlags.Enum */ && t & 32 /* TypeFlags.Enum */ && isEnumTypeRelatedTo(source.symbol, target.symbol, errorReporter)) + return true; + if (s & 1024 /* TypeFlags.EnumLiteral */ && t & 1024 /* TypeFlags.EnumLiteral */) { + if (s & 1048576 /* TypeFlags.Union */ && t & 1048576 /* TypeFlags.Union */ && isEnumTypeRelatedTo(source.symbol, target.symbol, errorReporter)) + return true; + if (s & 2944 /* TypeFlags.Literal */ && t & 2944 /* TypeFlags.Literal */ && + source.value === target.value && + isEnumTypeRelatedTo(getParentOfSymbol(source.symbol), getParentOfSymbol(target.symbol), errorReporter)) + return true; + } + // In non-strictNullChecks mode, `undefined` and `null` are assignable to anything except `never`. + // Since unions and intersections may reduce to `never`, we exclude them here. + if (s & 32768 /* TypeFlags.Undefined */ && (!strictNullChecks && !(t & 3145728 /* TypeFlags.UnionOrIntersection */) || t & (32768 /* TypeFlags.Undefined */ | 16384 /* TypeFlags.Void */))) + return true; + if (s & 65536 /* TypeFlags.Null */ && (!strictNullChecks && !(t & 3145728 /* TypeFlags.UnionOrIntersection */) || t & 65536 /* TypeFlags.Null */)) + return true; + if (s & 524288 /* TypeFlags.Object */ && t & 67108864 /* TypeFlags.NonPrimitive */) + return true; + if (relation === assignableRelation || relation === comparableRelation) { + if (s & 1 /* TypeFlags.Any */) + return true; + // Type number or any numeric literal type is assignable to any numeric enum type or any + // numeric enum literal type. This rule exists for backwards compatibility reasons because + // bit-flag enum types sometimes look like literal enum types with numeric literal values. + if (s & (8 /* TypeFlags.Number */ | 256 /* TypeFlags.NumberLiteral */) && !(s & 1024 /* TypeFlags.EnumLiteral */) && (t & 32 /* TypeFlags.Enum */ || relation === assignableRelation && t & 256 /* TypeFlags.NumberLiteral */ && t & 1024 /* TypeFlags.EnumLiteral */)) + return true; + } + return false; + } + function isTypeRelatedTo(source, target, relation) { + if (isFreshLiteralType(source)) { + source = source.regularType; + } + if (isFreshLiteralType(target)) { + target = target.regularType; + } + if (source === target) { + return true; + } + if (relation !== identityRelation) { + if (relation === comparableRelation && !(target.flags & 131072 /* TypeFlags.Never */) && isSimpleTypeRelatedTo(target, source, relation) || isSimpleTypeRelatedTo(source, target, relation)) { + return true; + } + } + else if (!((source.flags | target.flags) & (3145728 /* TypeFlags.UnionOrIntersection */ | 8388608 /* TypeFlags.IndexedAccess */ | 16777216 /* TypeFlags.Conditional */ | 33554432 /* TypeFlags.Substitution */))) { + // We have excluded types that may simplify to other forms, so types must have identical flags + if (source.flags !== target.flags) + return false; + if (source.flags & 67358815 /* TypeFlags.Singleton */) + return true; + } + if (source.flags & 524288 /* TypeFlags.Object */ && target.flags & 524288 /* TypeFlags.Object */) { + var related = relation.get(getRelationKey(source, target, 0 /* IntersectionState.None */, relation, /*ignoreConstraints*/ false)); + if (related !== undefined) { + return !!(related & 1 /* RelationComparisonResult.Succeeded */); + } + } + if (source.flags & 469499904 /* TypeFlags.StructuredOrInstantiable */ || target.flags & 469499904 /* TypeFlags.StructuredOrInstantiable */) { + return checkTypeRelatedTo(source, target, relation, /*errorNode*/ undefined); + } + return false; + } + function isIgnoredJsxProperty(source, sourceProp) { + return ts.getObjectFlags(source) & 2048 /* ObjectFlags.JsxAttributes */ && isHyphenatedJsxName(sourceProp.escapedName); + } + function getNormalizedType(type, writing) { + while (true) { + var t = isFreshLiteralType(type) ? type.regularType : + ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ && type.node ? createTypeReference(type.target, getTypeArguments(type)) : + type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ ? getReducedType(type) : + type.flags & 33554432 /* TypeFlags.Substitution */ ? writing ? type.baseType : type.substitute : + type.flags & 25165824 /* TypeFlags.Simplifiable */ ? getSimplifiedType(type, writing) : + type; + t = getSingleBaseForNonAugmentingSubtype(t) || t; + if (t === type) + break; + type = t; + } + return type; + } + /** + * Checks if 'source' is related to 'target' (e.g.: is a assignable to). + * @param source The left-hand-side of the relation. + * @param target The right-hand-side of the relation. + * @param relation The relation considered. One of 'identityRelation', 'subtypeRelation', 'assignableRelation', or 'comparableRelation'. + * Used as both to determine which checks are performed and as a cache of previously computed results. + * @param errorNode The suggested node upon which all errors will be reported, if defined. This may or may not be the actual node used. + * @param headMessage If the error chain should be prepended by a head message, then headMessage will be used. + * @param containingMessageChain A chain of errors to prepend any new errors found. + * @param errorOutputContainer Return the diagnostic. Do not log if 'skipLogging' is truthy. + */ + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain, errorOutputContainer) { + var errorInfo; + var relatedInfo; + var maybeKeys; + var sourceStack; + var targetStack; + var maybeCount = 0; + var sourceDepth = 0; + var targetDepth = 0; + var expandingFlags = 0 /* ExpandingFlags.None */; + var overflow = false; + var overrideNextErrorInfo = 0; // How many `reportRelationError` calls should be skipped in the elaboration pyramid + var lastSkippedInfo; + var incompatibleStack; + var inPropertyCheck = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, 3 /* RecursionFlags.Both */, /*reportErrors*/ !!errorNode, headMessage); + if (incompatibleStack) { + reportIncompatibleStack(); + } + if (overflow) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "checkTypeRelatedTo_DepthLimit", { sourceId: source.id, targetId: target.id, depth: sourceDepth, targetDepth: targetDepth }); + var diag = error(errorNode || currentNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + if (errorOutputContainer) { + (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag); + } + } + else if (errorInfo) { + if (containingMessageChain) { + var chain = containingMessageChain(); + if (chain) { + ts.concatenateDiagnosticMessageChains(chain, errorInfo); + errorInfo = chain; + } + } + var relatedInformation = void 0; + // Check if we should issue an extra diagnostic to produce a quickfix for a slightly incorrect import statement + if (headMessage && errorNode && !result && source.symbol) { + var links = getSymbolLinks(source.symbol); + if (links.originatingImport && !ts.isImportCall(links.originatingImport)) { + var helpfulRetry = checkTypeRelatedTo(getTypeOfSymbol(links.target), target, relation, /*errorNode*/ undefined); + if (helpfulRetry) { + // Likely an incorrect import. Issue a helpful diagnostic to produce a quickfix to change the import + var diag_1 = ts.createDiagnosticForNode(links.originatingImport, ts.Diagnostics.Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cause_a_failure_at_runtime_Consider_using_a_default_import_or_import_require_here_instead); + relatedInformation = ts.append(relatedInformation, diag_1); // Cause the error to appear with the error that triggered it + } + } + } + var diag = ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo, relatedInformation); + if (relatedInfo) { + ts.addRelatedInfo.apply(void 0, __spreadArray([diag], relatedInfo, false)); + } + if (errorOutputContainer) { + (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag); + } + if (!errorOutputContainer || !errorOutputContainer.skipLogging) { + diagnostics.add(diag); + } + } + if (errorNode && errorOutputContainer && errorOutputContainer.skipLogging && result === 0 /* Ternary.False */) { + ts.Debug.assert(!!errorOutputContainer.errors, "missed opportunity to interact with error."); + } + return result !== 0 /* Ternary.False */; + function resetErrorInfo(saved) { + errorInfo = saved.errorInfo; + lastSkippedInfo = saved.lastSkippedInfo; + incompatibleStack = saved.incompatibleStack; + overrideNextErrorInfo = saved.overrideNextErrorInfo; + relatedInfo = saved.relatedInfo; + } + function captureErrorCalculationState() { + return { + errorInfo: errorInfo, + lastSkippedInfo: lastSkippedInfo, + incompatibleStack: incompatibleStack === null || incompatibleStack === void 0 ? void 0 : incompatibleStack.slice(), + overrideNextErrorInfo: overrideNextErrorInfo, + relatedInfo: relatedInfo === null || relatedInfo === void 0 ? void 0 : relatedInfo.slice(), + }; + } + function reportIncompatibleError(message, arg0, arg1, arg2, arg3) { + overrideNextErrorInfo++; // Suppress the next relation error + lastSkippedInfo = undefined; // Reset skipped info cache + (incompatibleStack || (incompatibleStack = [])).push([message, arg0, arg1, arg2, arg3]); + } + function reportIncompatibleStack() { + var stack = incompatibleStack || []; + incompatibleStack = undefined; + var info = lastSkippedInfo; + lastSkippedInfo = undefined; + if (stack.length === 1) { + reportError.apply(void 0, stack[0]); + if (info) { + // Actually do the last relation error + reportRelationError.apply(void 0, __spreadArray([/*headMessage*/ undefined], info, false)); + } + return; + } + // The first error will be the innermost, while the last will be the outermost - so by popping off the end, + // we can build from left to right + var path = ""; + var secondaryRootErrors = []; + while (stack.length) { + var _a = stack.pop(), msg = _a[0], args = _a.slice(1); + switch (msg.code) { + case ts.Diagnostics.Types_of_property_0_are_incompatible.code: { + // Parenthesize a `new` if there is one + if (path.indexOf("new ") === 0) { + path = "(".concat(path, ")"); + } + var str = "" + args[0]; + // If leading, just print back the arg (irrespective of if it's a valid identifier) + if (path.length === 0) { + path = "".concat(str); + } + // Otherwise write a dotted name if possible + else if (ts.isIdentifierText(str, ts.getEmitScriptTarget(compilerOptions))) { + path = "".concat(path, ".").concat(str); + } + // Failing that, check if the name is already a computed name + else if (str[0] === "[" && str[str.length - 1] === "]") { + path = "".concat(path).concat(str); + } + // And finally write out a computed name as a last resort + else { + path = "".concat(path, "[").concat(str, "]"); + } + break; + } + case ts.Diagnostics.Call_signature_return_types_0_and_1_are_incompatible.code: + case ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible.code: + case ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code: + case ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code: { + if (path.length === 0) { + // Don't flatten signature compatability errors at the start of a chain - instead prefer + // to unify (the with no arguments bit is excessive for printback) and print them back + var mappedMsg = msg; + if (msg.code === ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code) { + mappedMsg = ts.Diagnostics.Call_signature_return_types_0_and_1_are_incompatible; + } + else if (msg.code === ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code) { + mappedMsg = ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible; + } + secondaryRootErrors.unshift([mappedMsg, args[0], args[1]]); + } + else { + var prefix = (msg.code === ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible.code || + msg.code === ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code) + ? "new " + : ""; + var params = (msg.code === ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code || + msg.code === ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code) + ? "" + : "..."; + path = "".concat(prefix).concat(path, "(").concat(params, ")"); + } + break; + } + case ts.Diagnostics.Type_at_position_0_in_source_is_not_compatible_with_type_at_position_1_in_target.code: { + secondaryRootErrors.unshift([ts.Diagnostics.Type_at_position_0_in_source_is_not_compatible_with_type_at_position_1_in_target, args[0], args[1]]); + break; + } + case ts.Diagnostics.Type_at_positions_0_through_1_in_source_is_not_compatible_with_type_at_position_2_in_target.code: { + secondaryRootErrors.unshift([ts.Diagnostics.Type_at_positions_0_through_1_in_source_is_not_compatible_with_type_at_position_2_in_target, args[0], args[1], args[2]]); + break; + } + default: + return ts.Debug.fail("Unhandled Diagnostic: ".concat(msg.code)); + } + } + if (path) { + reportError(path[path.length - 1] === ")" + ? ts.Diagnostics.The_types_returned_by_0_are_incompatible_between_these_types + : ts.Diagnostics.The_types_of_0_are_incompatible_between_these_types, path); + } + else { + // Remove the innermost secondary error as it will duplicate the error already reported by `reportRelationError` on entry + secondaryRootErrors.shift(); + } + for (var _i = 0, secondaryRootErrors_1 = secondaryRootErrors; _i < secondaryRootErrors_1.length; _i++) { + var _b = secondaryRootErrors_1[_i], msg = _b[0], args = _b.slice(1); + var originalValue = msg.elidedInCompatabilityPyramid; + msg.elidedInCompatabilityPyramid = false; // Temporarily override elision to ensure error is reported + reportError.apply(void 0, __spreadArray([msg], args, false)); + msg.elidedInCompatabilityPyramid = originalValue; + } + if (info) { + // Actually do the last relation error + reportRelationError.apply(void 0, __spreadArray([/*headMessage*/ undefined], info, false)); + } + } + function reportError(message, arg0, arg1, arg2, arg3) { + ts.Debug.assert(!!errorNode); + if (incompatibleStack) + reportIncompatibleStack(); + if (message.elidedInCompatabilityPyramid) + return; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2, arg3); + } + function associateRelatedInfo(info) { + ts.Debug.assert(!!errorInfo); + if (!relatedInfo) { + relatedInfo = [info]; + } + else { + relatedInfo.push(info); + } + } + function reportRelationError(message, source, target) { + if (incompatibleStack) + reportIncompatibleStack(); + var _a = getTypeNamesForErrorDisplay(source, target), sourceType = _a[0], targetType = _a[1]; + var generalizedSource = source; + var generalizedSourceType = sourceType; + if (isLiteralType(source) && !typeCouldHaveTopLevelSingletonTypes(target)) { + generalizedSource = getBaseTypeOfLiteralType(source); + ts.Debug.assert(!isTypeAssignableTo(generalizedSource, target), "generalized source shouldn't be assignable"); + generalizedSourceType = getTypeNameForErrorDisplay(generalizedSource); + } + if (target.flags & 262144 /* TypeFlags.TypeParameter */ && target !== markerSuperType && target !== markerSubType) { + var constraint = getBaseConstraintOfType(target); + var needsOriginalSource = void 0; + if (constraint && (isTypeAssignableTo(generalizedSource, constraint) || (needsOriginalSource = isTypeAssignableTo(source, constraint)))) { + reportError(ts.Diagnostics._0_is_assignable_to_the_constraint_of_type_1_but_1_could_be_instantiated_with_a_different_subtype_of_constraint_2, needsOriginalSource ? sourceType : generalizedSourceType, targetType, typeToString(constraint)); + } + else { + errorInfo = undefined; + reportError(ts.Diagnostics._0_could_be_instantiated_with_an_arbitrary_type_which_could_be_unrelated_to_1, targetType, generalizedSourceType); + } + } + if (!message) { + if (relation === comparableRelation) { + message = ts.Diagnostics.Type_0_is_not_comparable_to_type_1; + } + else if (sourceType === targetType) { + message = ts.Diagnostics.Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated; + } + else if (exactOptionalPropertyTypes && getExactOptionalUnassignableProperties(source, target).length) { + message = ts.Diagnostics.Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties; + } + else { + if (source.flags & 128 /* TypeFlags.StringLiteral */ && target.flags & 1048576 /* TypeFlags.Union */) { + var suggestedType = getSuggestedTypeForNonexistentStringLiteralType(source, target); + if (suggestedType) { + reportError(ts.Diagnostics.Type_0_is_not_assignable_to_type_1_Did_you_mean_2, generalizedSourceType, targetType, typeToString(suggestedType)); + return; + } + } + message = ts.Diagnostics.Type_0_is_not_assignable_to_type_1; + } + } + else if (message === ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1 + && exactOptionalPropertyTypes + && getExactOptionalUnassignableProperties(source, target).length) { + message = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties; + } + reportError(message, generalizedSourceType, targetType); + } + function tryElaborateErrorsForPrimitivesAndObjects(source, target) { + var sourceType = symbolValueDeclarationIsContextSensitive(source.symbol) ? typeToString(source, source.symbol.valueDeclaration) : typeToString(source); + var targetType = symbolValueDeclarationIsContextSensitive(target.symbol) ? typeToString(target, target.symbol.valueDeclaration) : typeToString(target); + if ((globalStringType === source && stringType === target) || + (globalNumberType === source && numberType === target) || + (globalBooleanType === source && booleanType === target) || + (getGlobalESSymbolType() === source && esSymbolType === target)) { + reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType); + } + } + /** + * Try and elaborate array and tuple errors. Returns false + * if we have found an elaboration, or we should ignore + * any other elaborations when relating the `source` and + * `target` types. + */ + function tryElaborateArrayLikeErrors(source, target, reportErrors) { + /** + * The spec for elaboration is: + * - If the source is a readonly tuple and the target is a mutable array or tuple, elaborate on mutability and skip property elaborations. + * - If the source is a tuple then skip property elaborations if the target is an array or tuple. + * - If the source is a readonly array and the target is a mutable array or tuple, elaborate on mutability and skip property elaborations. + * - If the source an array then skip property elaborations if the target is a tuple. + */ + if (isTupleType(source)) { + if (source.target.readonly && isMutableArrayOrTuple(target)) { + if (reportErrors) { + reportError(ts.Diagnostics.The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1, typeToString(source), typeToString(target)); + } + return false; + } + return isArrayOrTupleType(target); + } + if (isReadonlyArrayType(source) && isMutableArrayOrTuple(target)) { + if (reportErrors) { + reportError(ts.Diagnostics.The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1, typeToString(source), typeToString(target)); + } + return false; + } + if (isTupleType(target)) { + return isArrayType(source); + } + return true; + } + function isRelatedToWorker(source, target, reportErrors) { + return isRelatedTo(source, target, 3 /* RecursionFlags.Both */, reportErrors); + } + /** + * Compare two types and return + * * Ternary.True if they are related with no assumptions, + * * Ternary.Maybe if they are related with assumptions of other relationships, or + * * Ternary.False if they are not related. + */ + function isRelatedTo(originalSource, originalTarget, recursionFlags, reportErrors, headMessage, intersectionState) { + if (recursionFlags === void 0) { recursionFlags = 3 /* RecursionFlags.Both */; } + if (reportErrors === void 0) { reportErrors = false; } + if (intersectionState === void 0) { intersectionState = 0 /* IntersectionState.None */; } + // Before normalization: if `source` is type an object type, and `target` is primitive, + // skip all the checks we don't need and just return `isSimpleTypeRelatedTo` result + if (originalSource.flags & 524288 /* TypeFlags.Object */ && originalTarget.flags & 131068 /* TypeFlags.Primitive */) { + if (isSimpleTypeRelatedTo(originalSource, originalTarget, relation, reportErrors ? reportError : undefined)) { + return -1 /* Ternary.True */; + } + if (reportErrors) { + reportErrorResults(originalSource, originalTarget, originalSource, originalTarget, headMessage); + } + return 0 /* Ternary.False */; + } + // Normalize the source and target types: Turn fresh literal types into regular literal types, + // turn deferred type references into regular type references, simplify indexed access and + // conditional types, and resolve substitution types to either the substitution (on the source + // side) or the type variable (on the target side). + var source = getNormalizedType(originalSource, /*writing*/ false); + var target = getNormalizedType(originalTarget, /*writing*/ true); + if (source === target) + return -1 /* Ternary.True */; + if (relation === identityRelation) { + if (source.flags !== target.flags) + return 0 /* Ternary.False */; + if (source.flags & 67358815 /* TypeFlags.Singleton */) + return -1 /* Ternary.True */; + traceUnionsOrIntersectionsTooLarge(source, target); + return recursiveTypeRelatedTo(source, target, /*reportErrors*/ false, 0 /* IntersectionState.None */, recursionFlags); + } + // We fastpath comparing a type parameter to exactly its constraint, as this is _super_ common, + // and otherwise, for type parameters in large unions, causes us to need to compare the union to itself, + // as we break down the _target_ union first, _then_ get the source constraint - so for every + // member of the target, we attempt to find a match in the source. This avoids that in cases where + // the target is exactly the constraint. + if (source.flags & 262144 /* TypeFlags.TypeParameter */ && getConstraintOfType(source) === target) { + return -1 /* Ternary.True */; + } + // See if we're relating a definitely non-nullable type to a union that includes null and/or undefined + // plus a single non-nullable type. If so, remove null and/or undefined from the target type. + if (source.flags & 470302716 /* TypeFlags.DefinitelyNonNullable */ && target.flags & 1048576 /* TypeFlags.Union */) { + var types = target.types; + var candidate = types.length === 2 && types[0].flags & 98304 /* TypeFlags.Nullable */ ? types[1] : + types.length === 3 && types[0].flags & 98304 /* TypeFlags.Nullable */ && types[1].flags & 98304 /* TypeFlags.Nullable */ ? types[2] : + undefined; + if (candidate && !(candidate.flags & 98304 /* TypeFlags.Nullable */)) { + target = getNormalizedType(candidate, /*writing*/ true); + if (source === target) + return -1 /* Ternary.True */; + } + } + if (relation === comparableRelation && !(target.flags & 131072 /* TypeFlags.Never */) && isSimpleTypeRelatedTo(target, source, relation) || + isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) + return -1 /* Ternary.True */; + if (source.flags & 469499904 /* TypeFlags.StructuredOrInstantiable */ || target.flags & 469499904 /* TypeFlags.StructuredOrInstantiable */) { + var isPerformingExcessPropertyChecks = !(intersectionState & 2 /* IntersectionState.Target */) && (isObjectLiteralType(source) && ts.getObjectFlags(source) & 8192 /* ObjectFlags.FreshLiteral */); + if (isPerformingExcessPropertyChecks) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, originalTarget.aliasSymbol ? originalTarget : target); + } + return 0 /* Ternary.False */; + } + } + var isPerformingCommonPropertyChecks = relation !== comparableRelation && !(intersectionState & 2 /* IntersectionState.Target */) && + source.flags & (131068 /* TypeFlags.Primitive */ | 524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */) && source !== globalObjectType && + target.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */) && isWeakType(target) && + (getPropertiesOfType(source).length > 0 || typeHasCallOrConstructSignatures(source)); + var isComparingJsxAttributes = !!(ts.getObjectFlags(source) & 2048 /* ObjectFlags.JsxAttributes */); + if (isPerformingCommonPropertyChecks && !hasCommonProperties(source, target, isComparingJsxAttributes)) { + if (reportErrors) { + var sourceString = typeToString(originalSource.aliasSymbol ? originalSource : source); + var targetString = typeToString(originalTarget.aliasSymbol ? originalTarget : target); + var calls = getSignaturesOfType(source, 0 /* SignatureKind.Call */); + var constructs = getSignaturesOfType(source, 1 /* SignatureKind.Construct */); + if (calls.length > 0 && isRelatedTo(getReturnTypeOfSignature(calls[0]), target, 1 /* RecursionFlags.Source */, /*reportErrors*/ false) || + constructs.length > 0 && isRelatedTo(getReturnTypeOfSignature(constructs[0]), target, 1 /* RecursionFlags.Source */, /*reportErrors*/ false)) { + reportError(ts.Diagnostics.Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it, sourceString, targetString); + } + else { + reportError(ts.Diagnostics.Type_0_has_no_properties_in_common_with_type_1, sourceString, targetString); + } + } + return 0 /* Ternary.False */; + } + traceUnionsOrIntersectionsTooLarge(source, target); + var skipCaching = source.flags & 1048576 /* TypeFlags.Union */ && source.types.length < 4 && !(target.flags & 1048576 /* TypeFlags.Union */) || + target.flags & 1048576 /* TypeFlags.Union */ && target.types.length < 4 && !(source.flags & 469499904 /* TypeFlags.StructuredOrInstantiable */); + var result_7 = skipCaching ? + unionOrIntersectionRelatedTo(source, target, reportErrors, intersectionState) : + recursiveTypeRelatedTo(source, target, reportErrors, intersectionState, recursionFlags); + // For certain combinations involving intersections and optional, excess, or mismatched properties we need + // an extra property check where the intersection is viewed as a single object. The following are motivating + // examples that all should be errors, but aren't without this extra property check: + // + // let obj: { a: { x: string } } & { c: number } = { a: { x: 'hello', y: 2 }, c: 5 }; // Nested excess property + // + // declare let wrong: { a: { y: string } }; + // let weak: { a?: { x?: number } } & { c?: string } = wrong; // Nested weak object type + // + // function foo(x: { a?: string }, y: T & { a: boolean }) { + // x = y; // Mismatched property in source intersection + // } + // + // We suppress recursive intersection property checks because they can generate lots of work when relating + // recursive intersections that are structurally similar but not exactly identical. See #37854. + if (result_7 && !inPropertyCheck && (target.flags & 2097152 /* TypeFlags.Intersection */ && (isPerformingExcessPropertyChecks || isPerformingCommonPropertyChecks) || + isNonGenericObjectType(target) && !isArrayOrTupleType(target) && source.flags & 2097152 /* TypeFlags.Intersection */ && getApparentType(source).flags & 3670016 /* TypeFlags.StructuredType */ && !ts.some(source.types, function (t) { return !!(ts.getObjectFlags(t) & 262144 /* ObjectFlags.NonInferrableType */); }))) { + inPropertyCheck = true; + result_7 &= recursiveTypeRelatedTo(source, target, reportErrors, 4 /* IntersectionState.PropertyCheck */, recursionFlags); + inPropertyCheck = false; + } + if (result_7) { + return result_7; + } + } + if (reportErrors) { + reportErrorResults(originalSource, originalTarget, source, target, headMessage); + } + return 0 /* Ternary.False */; + } + function reportErrorResults(originalSource, originalTarget, source, target, headMessage) { + var sourceHasBase = !!getSingleBaseForNonAugmentingSubtype(originalSource); + var targetHasBase = !!getSingleBaseForNonAugmentingSubtype(originalTarget); + source = (originalSource.aliasSymbol || sourceHasBase) ? originalSource : source; + target = (originalTarget.aliasSymbol || targetHasBase) ? originalTarget : target; + var maybeSuppress = overrideNextErrorInfo > 0; + if (maybeSuppress) { + overrideNextErrorInfo--; + } + if (source.flags & 524288 /* TypeFlags.Object */ && target.flags & 524288 /* TypeFlags.Object */) { + var currentError = errorInfo; + tryElaborateArrayLikeErrors(source, target, /*reportErrors*/ true); + if (errorInfo !== currentError) { + maybeSuppress = !!errorInfo; + } + } + if (source.flags & 524288 /* TypeFlags.Object */ && target.flags & 131068 /* TypeFlags.Primitive */) { + tryElaborateErrorsForPrimitivesAndObjects(source, target); + } + else if (source.symbol && source.flags & 524288 /* TypeFlags.Object */ && globalObjectType === source) { + reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); + } + else if (ts.getObjectFlags(source) & 2048 /* ObjectFlags.JsxAttributes */ && target.flags & 2097152 /* TypeFlags.Intersection */) { + var targetTypes = target.types; + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes, errorNode); + var intrinsicClassAttributes = getJsxType(JsxNames.IntrinsicClassAttributes, errorNode); + if (!isErrorType(intrinsicAttributes) && !isErrorType(intrinsicClassAttributes) && + (ts.contains(targetTypes, intrinsicAttributes) || ts.contains(targetTypes, intrinsicClassAttributes))) { + // do not report top error + return; + } + } + else { + errorInfo = elaborateNeverIntersection(errorInfo, originalTarget); + } + if (!headMessage && maybeSuppress) { + lastSkippedInfo = [source, target]; + // Used by, eg, missing property checking to replace the top-level message with a more informative one + return; + } + reportRelationError(headMessage, source, target); + } + function traceUnionsOrIntersectionsTooLarge(source, target) { + if (!ts.tracing) { + return; + } + if ((source.flags & 3145728 /* TypeFlags.UnionOrIntersection */) && (target.flags & 3145728 /* TypeFlags.UnionOrIntersection */)) { + var sourceUnionOrIntersection = source; + var targetUnionOrIntersection = target; + if (sourceUnionOrIntersection.objectFlags & targetUnionOrIntersection.objectFlags & 32768 /* ObjectFlags.PrimitiveUnion */) { + // There's a fast path for comparing primitive unions + return; + } + var sourceSize = sourceUnionOrIntersection.types.length; + var targetSize = targetUnionOrIntersection.types.length; + if (sourceSize * targetSize > 1E6) { + ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "traceUnionsOrIntersectionsTooLarge_DepthLimit", { + sourceId: source.id, + sourceSize: sourceSize, + targetId: target.id, + targetSize: targetSize, + pos: errorNode === null || errorNode === void 0 ? void 0 : errorNode.pos, + end: errorNode === null || errorNode === void 0 ? void 0 : errorNode.end + }); + } + } + } + function getTypeOfPropertyInTypes(types, name) { + var appendPropType = function (propTypes, type) { + var _a; + type = getApparentType(type); + var prop = type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ ? getPropertyOfUnionOrIntersectionType(type, name) : getPropertyOfObjectType(type, name); + var propType = prop && getTypeOfSymbol(prop) || ((_a = getApplicableIndexInfoForName(type, name)) === null || _a === void 0 ? void 0 : _a.type) || undefinedType; + return ts.append(propTypes, propType); + }; + return getUnionType(ts.reduceLeft(types, appendPropType, /*initial*/ undefined) || ts.emptyArray); + } + function hasExcessProperties(source, target, reportErrors) { + var _a; + if (!isExcessPropertyCheckTarget(target) || !noImplicitAny && ts.getObjectFlags(target) & 4096 /* ObjectFlags.JSLiteral */) { + return false; // Disable excess property checks on JS literals to simulate having an implicit "index signature" - but only outside of noImplicitAny + } + var isComparingJsxAttributes = !!(ts.getObjectFlags(source) & 2048 /* ObjectFlags.JsxAttributes */); + if ((relation === assignableRelation || relation === comparableRelation) && + (isTypeSubsetOf(globalObjectType, target) || (!isComparingJsxAttributes && isEmptyObjectType(target)))) { + return false; + } + var reducedTarget = target; + var checkTypes; + if (target.flags & 1048576 /* TypeFlags.Union */) { + reducedTarget = findMatchingDiscriminantType(source, target, isRelatedTo) || filterPrimitivesIfContainsNonPrimitive(target); + checkTypes = reducedTarget.flags & 1048576 /* TypeFlags.Union */ ? reducedTarget.types : [reducedTarget]; + } + var _loop_19 = function (prop) { + if (shouldCheckAsExcessProperty(prop, source.symbol) && !isIgnoredJsxProperty(source, prop)) { + if (!isKnownProperty(reducedTarget, prop.escapedName, isComparingJsxAttributes)) { + if (reportErrors) { + // Report error in terms of object types in the target as those are the only ones + // we check in isKnownProperty. + var errorTarget = filterType(reducedTarget, isExcessPropertyCheckTarget); + // We know *exactly* where things went wrong when comparing the types. + // Use this property as the error node as this will be more helpful in + // reasoning about what went wrong. + if (!errorNode) + return { value: ts.Debug.fail() }; + if (ts.isJsxAttributes(errorNode) || ts.isJsxOpeningLikeElement(errorNode) || ts.isJsxOpeningLikeElement(errorNode.parent)) { + // JsxAttributes has an object-literal flag and undergo same type-assignablity check as normal object-literal. + // However, using an object-literal error message will be very confusing to the users so we give different a message. + if (prop.valueDeclaration && ts.isJsxAttribute(prop.valueDeclaration) && ts.getSourceFileOfNode(errorNode) === ts.getSourceFileOfNode(prop.valueDeclaration.name)) { + // Note that extraneous children (as in `extra`) don't pass this check, + // since `children` is a SyntaxKind.PropertySignature instead of a SyntaxKind.JsxAttribute. + errorNode = prop.valueDeclaration.name; + } + var propName = symbolToString(prop); + var suggestionSymbol = getSuggestedSymbolForNonexistentJSXAttribute(propName, errorTarget); + var suggestion = suggestionSymbol ? symbolToString(suggestionSymbol) : undefined; + if (suggestion) { + reportError(ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2, propName, typeToString(errorTarget), suggestion); + } + else { + reportError(ts.Diagnostics.Property_0_does_not_exist_on_type_1, propName, typeToString(errorTarget)); + } + } + else { + // use the property's value declaration if the property is assigned inside the literal itself + var objectLiteralDeclaration_1 = ((_a = source.symbol) === null || _a === void 0 ? void 0 : _a.declarations) && ts.firstOrUndefined(source.symbol.declarations); + var suggestion = void 0; + if (prop.valueDeclaration && ts.findAncestor(prop.valueDeclaration, function (d) { return d === objectLiteralDeclaration_1; }) && ts.getSourceFileOfNode(objectLiteralDeclaration_1) === ts.getSourceFileOfNode(errorNode)) { + var propDeclaration = prop.valueDeclaration; + ts.Debug.assertNode(propDeclaration, ts.isObjectLiteralElementLike); + errorNode = propDeclaration; + var name = propDeclaration.name; + if (ts.isIdentifier(name)) { + suggestion = getSuggestionForNonexistentProperty(name, errorTarget); + } + } + if (suggestion !== undefined) { + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_but_0_does_not_exist_in_type_1_Did_you_mean_to_write_2, symbolToString(prop), typeToString(errorTarget), suggestion); + } + else { + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(errorTarget)); + } + } + } + return { value: true }; + } + if (checkTypes && !isRelatedTo(getTypeOfSymbol(prop), getTypeOfPropertyInTypes(checkTypes, prop.escapedName), 3 /* RecursionFlags.Both */, reportErrors)) { + if (reportErrors) { + reportIncompatibleError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(prop)); + } + return { value: true }; + } + } + }; + for (var _i = 0, _b = getPropertiesOfType(source); _i < _b.length; _i++) { + var prop = _b[_i]; + var state_6 = _loop_19(prop); + if (typeof state_6 === "object") + return state_6.value; + } + return false; + } + function shouldCheckAsExcessProperty(prop, container) { + return prop.valueDeclaration && container.valueDeclaration && prop.valueDeclaration.parent === container.valueDeclaration; + } + function unionOrIntersectionRelatedTo(source, target, reportErrors, intersectionState) { + // Note that these checks are specifically ordered to produce correct results. In particular, + // we need to deconstruct unions before intersections (because unions are always at the top), + // and we need to handle "each" relations before "some" relations for the same kind of type. + if (source.flags & 1048576 /* TypeFlags.Union */) { + return relation === comparableRelation ? + someTypeRelatedToType(source, target, reportErrors && !(source.flags & 131068 /* TypeFlags.Primitive */), intersectionState) : + eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 131068 /* TypeFlags.Primitive */), intersectionState); + } + if (target.flags & 1048576 /* TypeFlags.Union */) { + return typeRelatedToSomeType(getRegularTypeOfObjectLiteral(source), target, reportErrors && !(source.flags & 131068 /* TypeFlags.Primitive */) && !(target.flags & 131068 /* TypeFlags.Primitive */)); + } + if (target.flags & 2097152 /* TypeFlags.Intersection */) { + return typeRelatedToEachType(getRegularTypeOfObjectLiteral(source), target, reportErrors, 2 /* IntersectionState.Target */); + } + // Source is an intersection. For the comparable relation, if the target is a primitive type we hoist the + // constraints of all non-primitive types in the source into a new intersection. We do this because the + // intersection may further constrain the constraints of the non-primitive types. For example, given a type + // parameter 'T extends 1 | 2', the intersection 'T & 1' should be reduced to '1' such that it doesn't + // appear to be comparable to '2'. + if (relation === comparableRelation && target.flags & 131068 /* TypeFlags.Primitive */) { + var constraints = ts.sameMap(source.types, getBaseConstraintOrType); + if (constraints !== source.types) { + source = getIntersectionType(constraints); + if (!(source.flags & 2097152 /* TypeFlags.Intersection */)) { + return isRelatedTo(source, target, 1 /* RecursionFlags.Source */, /*reportErrors*/ false); + } + } + } + // Check to see if any constituents of the intersection are immediately related to the target. + // Don't report errors though. Elaborating on whether a source constituent is related to the target is + // not actually useful and leads to some confusing error messages. Instead, we rely on the caller + // checking whether the full intersection viewed as an object is related to the target. + return someTypeRelatedToType(source, target, /*reportErrors*/ false, 1 /* IntersectionState.Source */); + } + function eachTypeRelatedToSomeType(source, target) { + var result = -1 /* Ternary.True */; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, /*reportErrors*/ false); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + if (target.flags & 1048576 /* TypeFlags.Union */) { + if (containsType(targetTypes, source)) { + return -1 /* Ternary.True */; + } + var match = getMatchingUnionConstituentForType(target, source); + if (match) { + var related = isRelatedTo(source, match, 2 /* RecursionFlags.Target */, /*reportErrors*/ false); + if (related) { + return related; + } + } + } + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var type = targetTypes_1[_i]; + var related = isRelatedTo(source, type, 2 /* RecursionFlags.Target */, /*reportErrors*/ false); + if (related) { + return related; + } + } + if (reportErrors) { + // Elaborate only if we can find a best matching type in the target union + var bestMatchingType = getBestMatchingType(source, target, isRelatedTo); + if (bestMatchingType) { + isRelatedTo(source, bestMatchingType, 2 /* RecursionFlags.Target */, /*reportErrors*/ true); + } + } + return 0 /* Ternary.False */; + } + function typeRelatedToEachType(source, target, reportErrors, intersectionState) { + var result = -1 /* Ternary.True */; + var targetTypes = target.types; + for (var _i = 0, targetTypes_2 = targetTypes; _i < targetTypes_2.length; _i++) { + var targetType = targetTypes_2[_i]; + var related = isRelatedTo(source, targetType, 2 /* RecursionFlags.Target */, reportErrors, /*headMessage*/ undefined, intersectionState); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + function someTypeRelatedToType(source, target, reportErrors, intersectionState) { + var sourceTypes = source.types; + if (source.flags & 1048576 /* TypeFlags.Union */ && containsType(sourceTypes, target)) { + return -1 /* Ternary.True */; + } + var len = sourceTypes.length; + for (var i = 0; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, 1 /* RecursionFlags.Source */, reportErrors && i === len - 1, /*headMessage*/ undefined, intersectionState); + if (related) { + return related; + } + } + return 0 /* Ternary.False */; + } + function getUndefinedStrippedTargetIfNeeded(source, target) { + // As a builtin type, `undefined` is a very low type ID - making it almsot always first, making this a very fast check to see + // if we need to strip `undefined` from the target + if (source.flags & 1048576 /* TypeFlags.Union */ && target.flags & 1048576 /* TypeFlags.Union */ && + !(source.types[0].flags & 32768 /* TypeFlags.Undefined */) && target.types[0].flags & 32768 /* TypeFlags.Undefined */) { + return extractTypesOfKind(target, ~32768 /* TypeFlags.Undefined */); + } + return target; + } + function eachTypeRelatedToType(source, target, reportErrors, intersectionState) { + var result = -1 /* Ternary.True */; + var sourceTypes = source.types; + // We strip `undefined` from the target if the `source` trivially doesn't contain it for our correspondence-checking fastpath + // since `undefined` is frequently added by optionality and would otherwise spoil a potentially useful correspondence + var undefinedStrippedTarget = getUndefinedStrippedTargetIfNeeded(source, target); + for (var i = 0; i < sourceTypes.length; i++) { + var sourceType = sourceTypes[i]; + if (undefinedStrippedTarget.flags & 1048576 /* TypeFlags.Union */ && sourceTypes.length >= undefinedStrippedTarget.types.length && sourceTypes.length % undefinedStrippedTarget.types.length === 0) { + // many unions are mappings of one another; in such cases, simply comparing members at the same index can shortcut the comparison + // such unions will have identical lengths, and their corresponding elements will match up. Another common scenario is where a large + // union has a union of objects intersected with it. In such cases, if the input was, eg `("a" | "b" | "c") & (string | boolean | {} | {whatever})`, + // the result will have the structure `"a" | "b" | "c" | "a" & {} | "b" & {} | "c" & {} | "a" & {whatever} | "b" & {whatever} | "c" & {whatever}` + // - the resulting union has a length which is a multiple of the original union, and the elements correspond modulo the length of the original union + var related_1 = isRelatedTo(sourceType, undefinedStrippedTarget.types[i % undefinedStrippedTarget.types.length], 3 /* RecursionFlags.Both */, /*reportErrors*/ false, /*headMessage*/ undefined, intersectionState); + if (related_1) { + result &= related_1; + continue; + } + } + var related = isRelatedTo(sourceType, target, 1 /* RecursionFlags.Source */, reportErrors, /*headMessage*/ undefined, intersectionState); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + function typeArgumentsRelatedTo(sources, targets, variances, reportErrors, intersectionState) { + if (sources === void 0) { sources = ts.emptyArray; } + if (targets === void 0) { targets = ts.emptyArray; } + if (variances === void 0) { variances = ts.emptyArray; } + if (sources.length !== targets.length && relation === identityRelation) { + return 0 /* Ternary.False */; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1 /* Ternary.True */; + for (var i = 0; i < length; i++) { + // When variance information isn't available we default to covariance. This happens + // in the process of computing variance information for recursive types and when + // comparing 'this' type arguments. + var varianceFlags = i < variances.length ? variances[i] : 1 /* VarianceFlags.Covariant */; + var variance = varianceFlags & 7 /* VarianceFlags.VarianceMask */; + // We ignore arguments for independent type parameters (because they're never witnessed). + if (variance !== 4 /* VarianceFlags.Independent */) { + var s = sources[i]; + var t = targets[i]; + var related = -1 /* Ternary.True */; + if (varianceFlags & 8 /* VarianceFlags.Unmeasurable */) { + // Even an `Unmeasurable` variance works out without a structural check if the source and target are _identical_. + // We can't simply assume invariance, because `Unmeasurable` marks nonlinear relations, for example, a relation tained by + // the `-?` modifier in a mapped type (where, no matter how the inputs are related, the outputs still might not be) + related = relation === identityRelation ? isRelatedTo(s, t, 3 /* RecursionFlags.Both */, /*reportErrors*/ false) : compareTypesIdentical(s, t); + } + else if (variance === 1 /* VarianceFlags.Covariant */) { + related = isRelatedTo(s, t, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + } + else if (variance === 2 /* VarianceFlags.Contravariant */) { + related = isRelatedTo(t, s, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + } + else if (variance === 3 /* VarianceFlags.Bivariant */) { + // In the bivariant case we first compare contravariantly without reporting + // errors. Then, if that doesn't succeed, we compare covariantly with error + // reporting. Thus, error elaboration will be based on the the covariant check, + // which is generally easier to reason about. + related = isRelatedTo(t, s, 3 /* RecursionFlags.Both */, /*reportErrors*/ false); + if (!related) { + related = isRelatedTo(s, t, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + } + } + else { + // In the invariant case we first compare covariantly, and only when that + // succeeds do we proceed to compare contravariantly. Thus, error elaboration + // will typically be based on the covariant check. + related = isRelatedTo(s, t, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + if (related) { + related &= isRelatedTo(t, s, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + } + } + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + } + return result; + } + // Determine if possibly recursive types are related. First, check if the result is already available in the global cache. + // Second, check if we have already started a comparison of the given two types in which case we assume the result to be true. + // Third, check if both types are part of deeply nested chains of generic type instantiations and if so assume the types are + // equal and infinitely expanding. Fourth, if we have reached a depth of 100 nested comparisons, assume we have runaway recursion + // and issue an error. Otherwise, actually compare the structure of the two types. + function recursiveTypeRelatedTo(source, target, reportErrors, intersectionState, recursionFlags) { + if (overflow) { + return 0 /* Ternary.False */; + } + var keyIntersectionState = intersectionState | (inPropertyCheck ? 8 /* IntersectionState.InPropertyCheck */ : 0); + var id = getRelationKey(source, target, keyIntersectionState, relation, /*ingnoreConstraints*/ false); + var entry = relation.get(id); + if (entry !== undefined) { + if (reportErrors && entry & 2 /* RelationComparisonResult.Failed */ && !(entry & 4 /* RelationComparisonResult.Reported */)) { + // We are elaborating errors and the cached result is an unreported failure. The result will be reported + // as a failure, and should be updated as a reported failure by the bottom of this function. + } + else { + if (outofbandVarianceMarkerHandler) { + // We're in the middle of variance checking - integrate any unmeasurable/unreliable flags from this cached component + var saved = entry & 24 /* RelationComparisonResult.ReportsMask */; + if (saved & 8 /* RelationComparisonResult.ReportsUnmeasurable */) { + instantiateType(source, makeFunctionTypeMapper(reportUnmeasurableMarkers)); + } + if (saved & 16 /* RelationComparisonResult.ReportsUnreliable */) { + instantiateType(source, makeFunctionTypeMapper(reportUnreliableMarkers)); + } + } + return entry & 1 /* RelationComparisonResult.Succeeded */ ? -1 /* Ternary.True */ : 0 /* Ternary.False */; + } + } + if (!maybeKeys) { + maybeKeys = []; + sourceStack = []; + targetStack = []; + } + else { + // A key that starts with "*" is an indication that we have type references that reference constrained + // type parameters. For such keys we also check against the key we would have gotten if all type parameters + // were unconstrained. + var broadestEquivalentId = id.startsWith("*") ? getRelationKey(source, target, keyIntersectionState, relation, /*ignoreConstraints*/ true) : undefined; + for (var i = 0; i < maybeCount; i++) { + // If source and target are already being compared, consider them related with assumptions + if (id === maybeKeys[i] || broadestEquivalentId && broadestEquivalentId === maybeKeys[i]) { + return 3 /* Ternary.Maybe */; + } + } + if (sourceDepth === 100 || targetDepth === 100) { + overflow = true; + return 0 /* Ternary.False */; + } + } + var maybeStart = maybeCount; + maybeKeys[maybeCount] = id; + maybeCount++; + var saveExpandingFlags = expandingFlags; + if (recursionFlags & 1 /* RecursionFlags.Source */) { + sourceStack[sourceDepth] = source; + sourceDepth++; + if (!(expandingFlags & 1 /* ExpandingFlags.Source */) && isDeeplyNestedType(source, sourceStack, sourceDepth)) + expandingFlags |= 1 /* ExpandingFlags.Source */; + } + if (recursionFlags & 2 /* RecursionFlags.Target */) { + targetStack[targetDepth] = target; + targetDepth++; + if (!(expandingFlags & 2 /* ExpandingFlags.Target */) && isDeeplyNestedType(target, targetStack, targetDepth)) + expandingFlags |= 2 /* ExpandingFlags.Target */; + } + var originalHandler; + var propagatingVarianceFlags = 0; + if (outofbandVarianceMarkerHandler) { + originalHandler = outofbandVarianceMarkerHandler; + outofbandVarianceMarkerHandler = function (onlyUnreliable) { + propagatingVarianceFlags |= onlyUnreliable ? 16 /* RelationComparisonResult.ReportsUnreliable */ : 8 /* RelationComparisonResult.ReportsUnmeasurable */; + return originalHandler(onlyUnreliable); + }; + } + var result; + if (expandingFlags === 3 /* ExpandingFlags.Both */) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "recursiveTypeRelatedTo_DepthLimit", { + sourceId: source.id, + sourceIdStack: sourceStack.map(function (t) { return t.id; }), + targetId: target.id, + targetIdStack: targetStack.map(function (t) { return t.id; }), + depth: sourceDepth, + targetDepth: targetDepth + }); + result = 3 /* Ternary.Maybe */; + } + else { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("checkTypes" /* tracing.Phase.CheckTypes */, "structuredTypeRelatedTo", { sourceId: source.id, targetId: target.id }); + result = structuredTypeRelatedTo(source, target, reportErrors, intersectionState); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + if (outofbandVarianceMarkerHandler) { + outofbandVarianceMarkerHandler = originalHandler; + } + if (recursionFlags & 1 /* RecursionFlags.Source */) { + sourceDepth--; + } + if (recursionFlags & 2 /* RecursionFlags.Target */) { + targetDepth--; + } + expandingFlags = saveExpandingFlags; + if (result) { + if (result === -1 /* Ternary.True */ || (sourceDepth === 0 && targetDepth === 0)) { + if (result === -1 /* Ternary.True */ || result === 3 /* Ternary.Maybe */) { + // If result is definitely true, record all maybe keys as having succeeded. Also, record Ternary.Maybe + // results as having succeeded once we reach depth 0, but never record Ternary.Unknown results. + for (var i = maybeStart; i < maybeCount; i++) { + relation.set(maybeKeys[i], 1 /* RelationComparisonResult.Succeeded */ | propagatingVarianceFlags); + } + } + maybeCount = maybeStart; + } + } + else { + // A false result goes straight into global cache (when something is false under + // assumptions it will also be false without assumptions) + relation.set(id, (reportErrors ? 4 /* RelationComparisonResult.Reported */ : 0) | 2 /* RelationComparisonResult.Failed */ | propagatingVarianceFlags); + maybeCount = maybeStart; + } + return result; + } + function structuredTypeRelatedTo(source, target, reportErrors, intersectionState) { + if (intersectionState & 4 /* IntersectionState.PropertyCheck */) { + return propertiesRelatedTo(source, target, reportErrors, /*excludedProperties*/ undefined, 0 /* IntersectionState.None */); + } + var result; + var originalErrorInfo; + var varianceCheckFailed = false; + var saveErrorInfo = captureErrorCalculationState(); + var sourceFlags = source.flags; + var targetFlags = target.flags; + if (relation === identityRelation) { + // We've already checked that source.flags and target.flags are identical + if (sourceFlags & 3145728 /* TypeFlags.UnionOrIntersection */) { + var result_8 = eachTypeRelatedToSomeType(source, target); + if (result_8) { + result_8 &= eachTypeRelatedToSomeType(target, source); + } + return result_8; + } + if (sourceFlags & 4194304 /* TypeFlags.Index */) { + return isRelatedTo(source.type, target.type, 3 /* RecursionFlags.Both */, /*reportErrors*/ false); + } + if (sourceFlags & 8388608 /* TypeFlags.IndexedAccess */) { + if (result = isRelatedTo(source.objectType, target.objectType, 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + if (result &= isRelatedTo(source.indexType, target.indexType, 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + return result; + } + } + } + if (sourceFlags & 16777216 /* TypeFlags.Conditional */) { + if (source.root.isDistributive === target.root.isDistributive) { + if (result = isRelatedTo(source.checkType, target.checkType, 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + if (result &= isRelatedTo(source.extendsType, target.extendsType, 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + if (result &= isRelatedTo(getTrueTypeFromConditionalType(source), getTrueTypeFromConditionalType(target), 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + if (result &= isRelatedTo(getFalseTypeFromConditionalType(source), getFalseTypeFromConditionalType(target), 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + return result; + } + } + } + } + } + } + if (sourceFlags & 33554432 /* TypeFlags.Substitution */) { + return isRelatedTo(source.substitute, target.substitute, 3 /* RecursionFlags.Both */, /*reportErrors*/ false); + } + if (!(sourceFlags & 524288 /* TypeFlags.Object */)) { + return 0 /* Ternary.False */; + } + } + else if (sourceFlags & 3145728 /* TypeFlags.UnionOrIntersection */ || targetFlags & 3145728 /* TypeFlags.UnionOrIntersection */) { + if (result = unionOrIntersectionRelatedTo(source, target, reportErrors, intersectionState)) { + return result; + } + if (source.flags & 2097152 /* TypeFlags.Intersection */ || source.flags & 262144 /* TypeFlags.TypeParameter */ && target.flags & 1048576 /* TypeFlags.Union */) { + // The combined constraint of an intersection type is the intersection of the constraints of + // the constituents. When an intersection type contains instantiable types with union type + // constraints, there are situations where we need to examine the combined constraint. One is + // when the target is a union type. Another is when the intersection contains types belonging + // to one of the disjoint domains. For example, given type variables T and U, each with the + // constraint 'string | number', the combined constraint of 'T & U' is 'string | number' and + // we need to check this constraint against a union on the target side. Also, given a type + // variable V constrained to 'string | number', 'V & number' has a combined constraint of + // 'string & number | number & number' which reduces to just 'number'. + // This also handles type parameters, as a type parameter with a union constraint compared against a union + // needs to have its constraint hoisted into an intersection with said type parameter, this way + // the type param can be compared with itself in the target (with the influence of its constraint to match other parts) + // For example, if `T extends 1 | 2` and `U extends 2 | 3` and we compare `T & U` to `T & U & (1 | 2 | 3)` + var constraint = getEffectiveConstraintOfIntersection(source.flags & 2097152 /* TypeFlags.Intersection */ ? source.types : [source], !!(target.flags & 1048576 /* TypeFlags.Union */)); + if (constraint && everyType(constraint, function (c) { return c !== source; })) { // Skip comparison if expansion contains the source itself + // TODO: Stack errors so we get a pyramid for the "normal" comparison above, _and_ a second for this + if (result = isRelatedTo(constraint, target, 1 /* RecursionFlags.Source */, /*reportErrors*/ false, /*headMessage*/ undefined, intersectionState)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + // The ordered decomposition above doesn't handle all cases. Specifically, we also need to handle: + // Source is instantiable (e.g. source has union or intersection constraint). + // Source is an object, target is a union (e.g. { a, b: boolean } <=> { a, b: true } | { a, b: false }). + // Source is an intersection, target is an object (e.g. { a } & { b } <=> { a, b }). + // Source is an intersection, target is a union (e.g. { a } & { b: boolean } <=> { a, b: true } | { a, b: false }). + // Source is an intersection, target instantiable (e.g. string & { tag } <=> T["a"] constrained to string & { tag }). + if (!(sourceFlags & 465829888 /* TypeFlags.Instantiable */ || + sourceFlags & 524288 /* TypeFlags.Object */ && targetFlags & 1048576 /* TypeFlags.Union */ || + sourceFlags & 2097152 /* TypeFlags.Intersection */ && targetFlags & (524288 /* TypeFlags.Object */ | 1048576 /* TypeFlags.Union */ | 465829888 /* TypeFlags.Instantiable */))) { + return 0 /* Ternary.False */; + } + } + // We limit alias variance probing to only object and conditional types since their alias behavior + // is more predictable than other, interned types, which may or may not have an alias depending on + // the order in which things were checked. + if (sourceFlags & (524288 /* TypeFlags.Object */ | 16777216 /* TypeFlags.Conditional */) && source.aliasSymbol && source.aliasTypeArguments && + source.aliasSymbol === target.aliasSymbol && !(isMarkerType(source) || isMarkerType(target))) { + var variances = getAliasVariances(source.aliasSymbol); + if (variances === ts.emptyArray) { + return 1 /* Ternary.Unknown */; + } + var varianceResult = relateVariances(source.aliasTypeArguments, target.aliasTypeArguments, variances, intersectionState); + if (varianceResult !== undefined) { + return varianceResult; + } + } + // For a generic type T and a type U that is assignable to T, [...U] is assignable to T, U is assignable to readonly [...T], + // and U is assignable to [...T] when U is constrained to a mutable array or tuple type. + if (isSingleElementGenericTupleType(source) && !source.target.readonly && (result = isRelatedTo(getTypeArguments(source)[0], target, 1 /* RecursionFlags.Source */)) || + isSingleElementGenericTupleType(target) && (target.target.readonly || isMutableArrayOrTuple(getBaseConstraintOfType(source) || source)) && (result = isRelatedTo(source, getTypeArguments(target)[0], 2 /* RecursionFlags.Target */))) { + return result; + } + if (targetFlags & 262144 /* TypeFlags.TypeParameter */) { + // A source type { [P in Q]: X } is related to a target type T if keyof T is related to Q and X is related to T[Q]. + if (ts.getObjectFlags(source) & 32 /* ObjectFlags.Mapped */ && !source.declaration.nameType && isRelatedTo(getIndexType(target), getConstraintTypeFromMappedType(source), 3 /* RecursionFlags.Both */)) { + if (!(getMappedTypeModifiers(source) & 4 /* MappedTypeModifiers.IncludeOptional */)) { + var templateType = getTemplateTypeFromMappedType(source); + var indexedAccessType = getIndexedAccessType(target, getTypeParameterFromMappedType(source)); + if (result = isRelatedTo(templateType, indexedAccessType, 3 /* RecursionFlags.Both */, reportErrors)) { + return result; + } + } + } + } + else if (targetFlags & 4194304 /* TypeFlags.Index */) { + var targetType_1 = target.type; + // A keyof S is related to a keyof T if T is related to S. + if (sourceFlags & 4194304 /* TypeFlags.Index */) { + if (result = isRelatedTo(targetType_1, source.type, 3 /* RecursionFlags.Both */, /*reportErrors*/ false)) { + return result; + } + } + if (isTupleType(targetType_1)) { + // An index type can have a tuple type target when the tuple type contains variadic elements. + // Check if the source is related to the known keys of the tuple type. + if (result = isRelatedTo(source, getKnownKeysOfTupleType(targetType_1), 2 /* RecursionFlags.Target */, reportErrors)) { + return result; + } + } + else { + // A type S is assignable to keyof T if S is assignable to keyof C, where C is the + // simplified form of T or, if T doesn't simplify, the constraint of T. + var constraint = getSimplifiedTypeOrConstraint(targetType_1); + if (constraint) { + // We require Ternary.True here such that circular constraints don't cause + // false positives. For example, given 'T extends { [K in keyof T]: string }', + // 'keyof T' has itself as its constraint and produces a Ternary.Maybe when + // related to other types. + if (isRelatedTo(source, getIndexType(constraint, target.stringsOnly), 2 /* RecursionFlags.Target */, reportErrors) === -1 /* Ternary.True */) { + return -1 /* Ternary.True */; + } + } + else if (isGenericMappedType(targetType_1)) { + // generic mapped types that don't simplify or have a constraint still have a very simple set of keys we can compare against + // - their nameType or constraintType. + // In many ways, this comparison is a deferred version of what `getIndexTypeForMappedType` does to actually resolve the keys for _non_-generic types + var nameType_1 = getNameTypeFromMappedType(targetType_1); + var constraintType = getConstraintTypeFromMappedType(targetType_1); + var targetKeys = void 0; + if (nameType_1 && isMappedTypeWithKeyofConstraintDeclaration(targetType_1)) { + // we need to get the apparent mappings and union them with the generic mappings, since some properties may be + // missing from the `constraintType` which will otherwise be mapped in the object + var modifiersType = getApparentType(getModifiersTypeFromMappedType(targetType_1)); + var mappedKeys_1 = []; + forEachMappedTypePropertyKeyTypeAndIndexSignatureKeyType(modifiersType, 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */, + /*stringsOnly*/ false, function (t) { return void mappedKeys_1.push(instantiateType(nameType_1, appendTypeMapping(targetType_1.mapper, getTypeParameterFromMappedType(targetType_1), t))); }); + // We still need to include the non-apparent (and thus still generic) keys in the target side of the comparison (in case they're in the source side) + targetKeys = getUnionType(__spreadArray(__spreadArray([], mappedKeys_1, true), [nameType_1], false)); + } + else { + targetKeys = nameType_1 || constraintType; + } + if (isRelatedTo(source, targetKeys, 2 /* RecursionFlags.Target */, reportErrors) === -1 /* Ternary.True */) { + return -1 /* Ternary.True */; + } + } + } + } + else if (targetFlags & 8388608 /* TypeFlags.IndexedAccess */) { + if (sourceFlags & 8388608 /* TypeFlags.IndexedAccess */) { + // Relate components directly before falling back to constraint relationships + // A type S[K] is related to a type T[J] if S is related to T and K is related to J. + if (result = isRelatedTo(source.objectType, target.objectType, 3 /* RecursionFlags.Both */, reportErrors)) { + result &= isRelatedTo(source.indexType, target.indexType, 3 /* RecursionFlags.Both */, reportErrors); + } + if (result) { + resetErrorInfo(saveErrorInfo); + return result; + } + if (reportErrors) { + originalErrorInfo = errorInfo; + } + } + // A type S is related to a type T[K] if S is related to C, where C is the base + // constraint of T[K] for writing. + if (relation === assignableRelation || relation === comparableRelation) { + var objectType = target.objectType; + var indexType = target.indexType; + var baseObjectType = getBaseConstraintOfType(objectType) || objectType; + var baseIndexType = getBaseConstraintOfType(indexType) || indexType; + if (!isGenericObjectType(baseObjectType) && !isGenericIndexType(baseIndexType)) { + var accessFlags = 4 /* AccessFlags.Writing */ | (baseObjectType !== objectType ? 2 /* AccessFlags.NoIndexSignatures */ : 0); + var constraint = getIndexedAccessTypeOrUndefined(baseObjectType, baseIndexType, accessFlags); + if (constraint) { + if (reportErrors && originalErrorInfo) { + // create a new chain for the constraint error + resetErrorInfo(saveErrorInfo); + } + if (result = isRelatedTo(source, constraint, 2 /* RecursionFlags.Target */, reportErrors)) { + return result; + } + // prefer the shorter chain of the constraint comparison chain, and the direct comparison chain + if (reportErrors && originalErrorInfo && errorInfo) { + errorInfo = countMessageChainBreadth([originalErrorInfo]) <= countMessageChainBreadth([errorInfo]) ? originalErrorInfo : errorInfo; + } + } + } + } + if (reportErrors) { + originalErrorInfo = undefined; + } + } + else if (isGenericMappedType(target) && relation !== identityRelation) { + // Check if source type `S` is related to target type `{ [P in Q]: T }` or `{ [P in Q as R]: T}`. + var keysRemapped = !!target.declaration.nameType; + var templateType = getTemplateTypeFromMappedType(target); + var modifiers = getMappedTypeModifiers(target); + if (!(modifiers & 8 /* MappedTypeModifiers.ExcludeOptional */)) { + // If the mapped type has shape `{ [P in Q]: T[P] }`, + // source `S` is related to target if `T` = `S`, i.e. `S` is related to `{ [P in Q]: S[P] }`. + if (!keysRemapped && templateType.flags & 8388608 /* TypeFlags.IndexedAccess */ && templateType.objectType === source && + templateType.indexType === getTypeParameterFromMappedType(target)) { + return -1 /* Ternary.True */; + } + if (!isGenericMappedType(source)) { + // If target has shape `{ [P in Q as R]: T}`, then its keys have type `R`. + // If target has shape `{ [P in Q]: T }`, then its keys have type `Q`. + var targetKeys = keysRemapped ? getNameTypeFromMappedType(target) : getConstraintTypeFromMappedType(target); + // Type of the keys of source type `S`, i.e. `keyof S`. + var sourceKeys = getIndexType(source, /*stringsOnly*/ undefined, /*noIndexSignatures*/ true); + var includeOptional = modifiers & 4 /* MappedTypeModifiers.IncludeOptional */; + var filteredByApplicability = includeOptional ? intersectTypes(targetKeys, sourceKeys) : undefined; + // A source type `S` is related to a target type `{ [P in Q]: T }` if `Q` is related to `keyof S` and `S[Q]` is related to `T`. + // A source type `S` is related to a target type `{ [P in Q as R]: T }` if `R` is related to `keyof S` and `S[R]` is related to `T. + // A source type `S` is related to a target type `{ [P in Q]?: T }` if some constituent `Q'` of `Q` is related to `keyof S` and `S[Q']` is related to `T`. + // A source type `S` is related to a target type `{ [P in Q as R]?: T }` if some constituent `R'` of `R` is related to `keyof S` and `S[R']` is related to `T`. + if (includeOptional + ? !(filteredByApplicability.flags & 131072 /* TypeFlags.Never */) + : isRelatedTo(targetKeys, sourceKeys, 3 /* RecursionFlags.Both */)) { + var templateType_1 = getTemplateTypeFromMappedType(target); + var typeParameter = getTypeParameterFromMappedType(target); + // Fastpath: When the template type has the form `Obj[P]` where `P` is the mapped type parameter, directly compare source `S` with `Obj` + // to avoid creating the (potentially very large) number of new intermediate types made by manufacturing `S[P]`. + var nonNullComponent = extractTypesOfKind(templateType_1, ~98304 /* TypeFlags.Nullable */); + if (!keysRemapped && nonNullComponent.flags & 8388608 /* TypeFlags.IndexedAccess */ && nonNullComponent.indexType === typeParameter) { + if (result = isRelatedTo(source, nonNullComponent.objectType, 2 /* RecursionFlags.Target */, reportErrors)) { + return result; + } + } + else { + // We need to compare the type of a property on the source type `S` to the type of the same property on the target type, + // so we need to construct an indexing type representing a property, and then use indexing type to index the source type for comparison. + // If the target type has shape `{ [P in Q]: T }`, then a property of the target has type `P`. + // If the target type has shape `{ [P in Q]?: T }`, then a property of the target has type `P`, + // but the property is optional, so we only want to compare properties `P` that are common between `keyof S` and `Q`. + // If the target type has shape `{ [P in Q as R]: T }`, then a property of the target has type `R`. + // If the target type has shape `{ [P in Q as R]?: T }`, then a property of the target has type `R`, + // but the property is optional, so we only want to compare properties `R` that are common between `keyof S` and `R`. + var indexingType = keysRemapped + ? (filteredByApplicability || targetKeys) + : filteredByApplicability + ? getIntersectionType([filteredByApplicability, typeParameter]) + : typeParameter; + var indexedAccessType = getIndexedAccessType(source, indexingType); + // Compare `S[indexingType]` to `T`, where `T` is the type of a property of the target type. + if (result = isRelatedTo(indexedAccessType, templateType_1, 3 /* RecursionFlags.Both */, reportErrors)) { + return result; + } + } + } + originalErrorInfo = errorInfo; + resetErrorInfo(saveErrorInfo); + } + } + } + else if (targetFlags & 16777216 /* TypeFlags.Conditional */) { + // If we reach 10 levels of nesting for the same conditional type, assume it is an infinitely expanding recursive + // conditional type and bail out with a Ternary.Maybe result. + if (isDeeplyNestedType(target, targetStack, targetDepth, 10)) { + resetErrorInfo(saveErrorInfo); + return 3 /* Ternary.Maybe */; + } + var c = target; + // We check for a relationship to a conditional type target only when the conditional type has no + // 'infer' positions and is not distributive or is distributive but doesn't reference the check type + // parameter in either of the result types. + if (!c.root.inferTypeParameters && !isDistributionDependent(c.root)) { + // Check if the conditional is always true or always false but still deferred for distribution purposes. + var skipTrue = !isTypeAssignableTo(getPermissiveInstantiation(c.checkType), getPermissiveInstantiation(c.extendsType)); + var skipFalse = !skipTrue && isTypeAssignableTo(getRestrictiveInstantiation(c.checkType), getRestrictiveInstantiation(c.extendsType)); + // TODO: Find a nice way to include potential conditional type breakdowns in error output, if they seem good (they usually don't) + if (result = skipTrue ? -1 /* Ternary.True */ : isRelatedTo(source, getTrueTypeFromConditionalType(c), 2 /* RecursionFlags.Target */, /*reportErrors*/ false)) { + result &= skipFalse ? -1 /* Ternary.True */ : isRelatedTo(source, getFalseTypeFromConditionalType(c), 2 /* RecursionFlags.Target */, /*reportErrors*/ false); + if (result) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + } + else if (targetFlags & 134217728 /* TypeFlags.TemplateLiteral */) { + if (sourceFlags & 134217728 /* TypeFlags.TemplateLiteral */) { + if (relation === comparableRelation) { + return templateLiteralTypesDefinitelyUnrelated(source, target) ? 0 /* Ternary.False */ : -1 /* Ternary.True */; + } + // Report unreliable variance for type variables referenced in template literal type placeholders. + // For example, `foo-${number}` is related to `foo-${string}` even though number isn't related to string. + instantiateType(source, makeFunctionTypeMapper(reportUnreliableMarkers)); + } + if (isTypeMatchedByTemplateLiteralType(source, target)) { + return -1 /* Ternary.True */; + } + } + if (sourceFlags & 8650752 /* TypeFlags.TypeVariable */) { + // IndexedAccess comparisons are handled above in the `targetFlags & TypeFlage.IndexedAccess` branch + if (!(sourceFlags & 8388608 /* TypeFlags.IndexedAccess */ && targetFlags & 8388608 /* TypeFlags.IndexedAccess */)) { + var constraint = getConstraintOfType(source); + if (!constraint || (sourceFlags & 262144 /* TypeFlags.TypeParameter */ && constraint.flags & 1 /* TypeFlags.Any */)) { + // A type variable with no constraint is not related to the non-primitive object type. + if (result = isRelatedTo(emptyObjectType, extractTypesOfKind(target, ~67108864 /* TypeFlags.NonPrimitive */), 3 /* RecursionFlags.Both */)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + // hi-speed no-this-instantiation check (less accurate, but avoids costly `this`-instantiation when the constraint will suffice), see #28231 for report on why this is needed + else if (result = isRelatedTo(constraint, target, 1 /* RecursionFlags.Source */, /*reportErrors*/ false, /*headMessage*/ undefined, intersectionState)) { + resetErrorInfo(saveErrorInfo); + return result; + } + // slower, fuller, this-instantiated check (necessary when comparing raw `this` types from base classes), see `subclassWithPolymorphicThisIsAssignable.ts` test for example + else if (result = isRelatedTo(getTypeWithThisArgument(constraint, source), target, 1 /* RecursionFlags.Source */, reportErrors && !(targetFlags & sourceFlags & 262144 /* TypeFlags.TypeParameter */), /*headMessage*/ undefined, intersectionState)) { + resetErrorInfo(saveErrorInfo); + return result; + } + if (isMappedTypeGenericIndexedAccess(source)) { + // For an indexed access type { [P in K]: E}[X], above we have already explored an instantiation of E with X + // substituted for P. We also want to explore type { [P in K]: E }[C], where C is the constraint of X. + var indexConstraint = getConstraintOfType(source.indexType); + if (indexConstraint) { + if (result = isRelatedTo(getIndexedAccessType(source.objectType, indexConstraint), target, 1 /* RecursionFlags.Source */, reportErrors)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + } + } + else if (sourceFlags & 4194304 /* TypeFlags.Index */) { + if (result = isRelatedTo(keyofConstraintType, target, 1 /* RecursionFlags.Source */, reportErrors)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + else if (sourceFlags & 134217728 /* TypeFlags.TemplateLiteral */ && !(targetFlags & 524288 /* TypeFlags.Object */)) { + if (!(targetFlags & 134217728 /* TypeFlags.TemplateLiteral */)) { + var constraint = getBaseConstraintOfType(source); + if (constraint && constraint !== source && (result = isRelatedTo(constraint, target, 1 /* RecursionFlags.Source */, reportErrors))) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + else if (sourceFlags & 268435456 /* TypeFlags.StringMapping */) { + if (targetFlags & 268435456 /* TypeFlags.StringMapping */ && source.symbol === target.symbol) { + if (result = isRelatedTo(source.type, target.type, 3 /* RecursionFlags.Both */, reportErrors)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + else { + var constraint = getBaseConstraintOfType(source); + if (constraint && (result = isRelatedTo(constraint, target, 1 /* RecursionFlags.Source */, reportErrors))) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + else if (sourceFlags & 16777216 /* TypeFlags.Conditional */) { + // If we reach 10 levels of nesting for the same conditional type, assume it is an infinitely expanding recursive + // conditional type and bail out with a Ternary.Maybe result. + if (isDeeplyNestedType(source, sourceStack, sourceDepth, 10)) { + resetErrorInfo(saveErrorInfo); + return 3 /* Ternary.Maybe */; + } + if (targetFlags & 16777216 /* TypeFlags.Conditional */) { + // Two conditional types 'T1 extends U1 ? X1 : Y1' and 'T2 extends U2 ? X2 : Y2' are related if + // one of T1 and T2 is related to the other, U1 and U2 are identical types, X1 is related to X2, + // and Y1 is related to Y2. + var sourceParams = source.root.inferTypeParameters; + var sourceExtends = source.extendsType; + var mapper = void 0; + if (sourceParams) { + // If the source has infer type parameters, we instantiate them in the context of the target + var ctx = createInferenceContext(sourceParams, /*signature*/ undefined, 0 /* InferenceFlags.None */, isRelatedToWorker); + inferTypes(ctx.inferences, target.extendsType, sourceExtends, 512 /* InferencePriority.NoConstraints */ | 1024 /* InferencePriority.AlwaysStrict */); + sourceExtends = instantiateType(sourceExtends, ctx.mapper); + mapper = ctx.mapper; + } + if (isTypeIdenticalTo(sourceExtends, target.extendsType) && + (isRelatedTo(source.checkType, target.checkType, 3 /* RecursionFlags.Both */) || isRelatedTo(target.checkType, source.checkType, 3 /* RecursionFlags.Both */))) { + if (result = isRelatedTo(instantiateType(getTrueTypeFromConditionalType(source), mapper), getTrueTypeFromConditionalType(target), 3 /* RecursionFlags.Both */, reportErrors)) { + result &= isRelatedTo(getFalseTypeFromConditionalType(source), getFalseTypeFromConditionalType(target), 3 /* RecursionFlags.Both */, reportErrors); + } + if (result) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + else { + // conditionals aren't related to one another via distributive constraint as it is much too inaccurate and allows way + // more assignments than are desirable (since it maps the source check type to its constraint, it loses information) + var distributiveConstraint = hasNonCircularBaseConstraint(source) ? getConstraintOfDistributiveConditionalType(source) : undefined; + if (distributiveConstraint) { + if (result = isRelatedTo(distributiveConstraint, target, 1 /* RecursionFlags.Source */, reportErrors)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + // conditionals _can_ be related to one another via normal constraint, as, eg, `A extends B ? O : never` should be assignable to `O` + // when `O` is a conditional (`never` is trivially assignable to `O`, as is `O`!). + var defaultConstraint = getDefaultConstraintOfConditionalType(source); + if (defaultConstraint) { + if (result = isRelatedTo(defaultConstraint, target, 1 /* RecursionFlags.Source */, reportErrors)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + } + else { + // An empty object type is related to any mapped type that includes a '?' modifier. + if (relation !== subtypeRelation && relation !== strictSubtypeRelation && isPartialMappedType(target) && isEmptyObjectType(source)) { + return -1 /* Ternary.True */; + } + if (isGenericMappedType(target)) { + if (isGenericMappedType(source)) { + if (result = mappedTypeRelatedTo(source, target, reportErrors)) { + resetErrorInfo(saveErrorInfo); + return result; + } + } + return 0 /* Ternary.False */; + } + var sourceIsPrimitive = !!(sourceFlags & 131068 /* TypeFlags.Primitive */); + if (relation !== identityRelation) { + source = getApparentType(source); + sourceFlags = source.flags; + } + else if (isGenericMappedType(source)) { + return 0 /* Ternary.False */; + } + if (ts.getObjectFlags(source) & 4 /* ObjectFlags.Reference */ && ts.getObjectFlags(target) & 4 /* ObjectFlags.Reference */ && source.target === target.target && + !isTupleType(source) && !(isMarkerType(source) || isMarkerType(target))) { + // When strictNullChecks is disabled, the element type of the empty array literal is undefinedWideningType, + // and an empty array literal wouldn't be assignable to a `never[]` without this check. + if (isEmptyArrayLiteralType(source)) { + return -1 /* Ternary.True */; + } + // We have type references to the same generic type, and the type references are not marker + // type references (which are intended by be compared structurally). Obtain the variance + // information for the type parameters and relate the type arguments accordingly. + var variances = getVariances(source.target); + // We return Ternary.Maybe for a recursive invocation of getVariances (signalled by emptyArray). This + // effectively means we measure variance only from type parameter occurrences that aren't nested in + // recursive instantiations of the generic type. + if (variances === ts.emptyArray) { + return 1 /* Ternary.Unknown */; + } + var varianceResult = relateVariances(getTypeArguments(source), getTypeArguments(target), variances, intersectionState); + if (varianceResult !== undefined) { + return varianceResult; + } + } + else if (isReadonlyArrayType(target) ? isArrayOrTupleType(source) : isArrayType(target) && isTupleType(source) && !source.target.readonly) { + if (relation !== identityRelation) { + return isRelatedTo(getIndexTypeOfType(source, numberType) || anyType, getIndexTypeOfType(target, numberType) || anyType, 3 /* RecursionFlags.Both */, reportErrors); + } + else { + // By flags alone, we know that the `target` is a readonly array while the source is a normal array or tuple + // or `target` is an array and source is a tuple - in both cases the types cannot be identical, by construction + return 0 /* Ternary.False */; + } + } + // Consider a fresh empty object literal type "closed" under the subtype relationship - this way `{} <- {[idx: string]: any} <- fresh({})` + // and not `{} <- fresh({}) <- {[idx: string]: any}` + else if ((relation === subtypeRelation || relation === strictSubtypeRelation) && isEmptyObjectType(target) && ts.getObjectFlags(target) & 8192 /* ObjectFlags.FreshLiteral */ && !isEmptyObjectType(source)) { + return 0 /* Ternary.False */; + } + // Even if relationship doesn't hold for unions, intersections, or generic type references, + // it may hold in a structural comparison. + // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates + // to X. Failing both of those we want to check if the aggregation of A and B's members structurally + // relates to X. Thus, we include intersection types on the source side here. + if (sourceFlags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */) && targetFlags & 524288 /* TypeFlags.Object */) { + // Report structural errors only if we haven't reported any errors yet + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo.errorInfo && !sourceIsPrimitive; + result = propertiesRelatedTo(source, target, reportStructuralErrors, /*excludedProperties*/ undefined, intersectionState); + if (result) { + result &= signaturesRelatedTo(source, target, 0 /* SignatureKind.Call */, reportStructuralErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1 /* SignatureKind.Construct */, reportStructuralErrors); + if (result) { + result &= indexSignaturesRelatedTo(source, target, sourceIsPrimitive, reportStructuralErrors, intersectionState); + } + } + } + if (varianceCheckFailed && result) { + errorInfo = originalErrorInfo || errorInfo || saveErrorInfo.errorInfo; // Use variance error (there is no structural one) and return false + } + else if (result) { + return result; + } + } + // If S is an object type and T is a discriminated union, S may be related to T if + // there exists a constituent of T for every combination of the discriminants of S + // with respect to T. We do not report errors here, as we will use the existing + // error result from checking each constituent of the union. + if (sourceFlags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */) && targetFlags & 1048576 /* TypeFlags.Union */) { + var objectOnlyTarget = extractTypesOfKind(target, 524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */ | 33554432 /* TypeFlags.Substitution */); + if (objectOnlyTarget.flags & 1048576 /* TypeFlags.Union */) { + var result_9 = typeRelatedToDiscriminatedType(source, objectOnlyTarget); + if (result_9) { + return result_9; + } + } + } + } + return 0 /* Ternary.False */; + function countMessageChainBreadth(info) { + if (!info) + return 0; + return ts.reduceLeft(info, function (value, chain) { return value + 1 + countMessageChainBreadth(chain.next); }, 0); + } + function relateVariances(sourceTypeArguments, targetTypeArguments, variances, intersectionState) { + if (result = typeArgumentsRelatedTo(sourceTypeArguments, targetTypeArguments, variances, reportErrors, intersectionState)) { + return result; + } + if (ts.some(variances, function (v) { return !!(v & 24 /* VarianceFlags.AllowsStructuralFallback */); })) { + // If some type parameter was `Unmeasurable` or `Unreliable`, and we couldn't pass by assuming it was identical, then we + // have to allow a structural fallback check + // We elide the variance-based error elaborations, since those might not be too helpful, since we'll potentially + // be assuming identity of the type parameter. + originalErrorInfo = undefined; + resetErrorInfo(saveErrorInfo); + return undefined; + } + var allowStructuralFallback = targetTypeArguments && hasCovariantVoidArgument(targetTypeArguments, variances); + varianceCheckFailed = !allowStructuralFallback; + // The type arguments did not relate appropriately, but it may be because we have no variance + // information (in which case typeArgumentsRelatedTo defaulted to covariance for all type + // arguments). It might also be the case that the target type has a 'void' type argument for + // a covariant type parameter that is only used in return positions within the generic type + // (in which case any type argument is permitted on the source side). In those cases we proceed + // with a structural comparison. Otherwise, we know for certain the instantiations aren't + // related and we can return here. + if (variances !== ts.emptyArray && !allowStructuralFallback) { + // In some cases generic types that are covariant in regular type checking mode become + // invariant in --strictFunctionTypes mode because one or more type parameters are used in + // both co- and contravariant positions. In order to make it easier to diagnose *why* such + // types are invariant, if any of the type parameters are invariant we reset the reported + // errors and instead force a structural comparison (which will include elaborations that + // reveal the reason). + // We can switch on `reportErrors` here, since varianceCheckFailed guarantees we return `False`, + // we can return `False` early here to skip calculating the structural error message we don't need. + if (varianceCheckFailed && !(reportErrors && ts.some(variances, function (v) { return (v & 7 /* VarianceFlags.VarianceMask */) === 0 /* VarianceFlags.Invariant */; }))) { + return 0 /* Ternary.False */; + } + // We remember the original error information so we can restore it in case the structural + // comparison unexpectedly succeeds. This can happen when the structural comparison result + // is a Ternary.Maybe for example caused by the recursion depth limiter. + originalErrorInfo = errorInfo; + resetErrorInfo(saveErrorInfo); + } + } + } + function reportUnmeasurableMarkers(p) { + if (outofbandVarianceMarkerHandler && (p === markerSuperType || p === markerSubType || p === markerOtherType)) { + outofbandVarianceMarkerHandler(/*onlyUnreliable*/ false); + } + return p; + } + function reportUnreliableMarkers(p) { + if (outofbandVarianceMarkerHandler && (p === markerSuperType || p === markerSubType || p === markerOtherType)) { + outofbandVarianceMarkerHandler(/*onlyUnreliable*/ true); + } + return p; + } + // A type [P in S]: X is related to a type [Q in T]: Y if T is related to S and X' is + // related to Y, where X' is an instantiation of X in which P is replaced with Q. Notice + // that S and T are contra-variant whereas X and Y are co-variant. + function mappedTypeRelatedTo(source, target, reportErrors) { + var modifiersRelated = relation === comparableRelation || (relation === identityRelation ? getMappedTypeModifiers(source) === getMappedTypeModifiers(target) : + getCombinedMappedTypeOptionality(source) <= getCombinedMappedTypeOptionality(target)); + if (modifiersRelated) { + var result_10; + var targetConstraint = getConstraintTypeFromMappedType(target); + var sourceConstraint = instantiateType(getConstraintTypeFromMappedType(source), makeFunctionTypeMapper(getCombinedMappedTypeOptionality(source) < 0 ? reportUnmeasurableMarkers : reportUnreliableMarkers)); + if (result_10 = isRelatedTo(targetConstraint, sourceConstraint, 3 /* RecursionFlags.Both */, reportErrors)) { + var mapper = createTypeMapper([getTypeParameterFromMappedType(source)], [getTypeParameterFromMappedType(target)]); + if (instantiateType(getNameTypeFromMappedType(source), mapper) === instantiateType(getNameTypeFromMappedType(target), mapper)) { + return result_10 & isRelatedTo(instantiateType(getTemplateTypeFromMappedType(source), mapper), getTemplateTypeFromMappedType(target), 3 /* RecursionFlags.Both */, reportErrors); + } + } + } + return 0 /* Ternary.False */; + } + function typeRelatedToDiscriminatedType(source, target) { + // 1. Generate the combinations of discriminant properties & types 'source' can satisfy. + // a. If the number of combinations is above a set limit, the comparison is too complex. + // 2. Filter 'target' to the subset of types whose discriminants exist in the matrix. + // a. If 'target' does not satisfy all discriminants in the matrix, 'source' is not related. + // 3. For each type in the filtered 'target', determine if all non-discriminant properties of + // 'target' are related to a property in 'source'. + // + // NOTE: See ~/tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithDiscriminatedUnion.ts + // for examples. + var sourceProperties = getPropertiesOfType(source); + var sourcePropertiesFiltered = findDiscriminantProperties(sourceProperties, target); + if (!sourcePropertiesFiltered) + return 0 /* Ternary.False */; + // Though we could compute the number of combinations as we generate + // the matrix, this would incur additional memory overhead due to + // array allocations. To reduce this overhead, we first compute + // the number of combinations to ensure we will not surpass our + // fixed limit before incurring the cost of any allocations: + var numCombinations = 1; + for (var _i = 0, sourcePropertiesFiltered_1 = sourcePropertiesFiltered; _i < sourcePropertiesFiltered_1.length; _i++) { + var sourceProperty = sourcePropertiesFiltered_1[_i]; + numCombinations *= countTypes(getNonMissingTypeOfSymbol(sourceProperty)); + if (numCombinations > 25) { + // We've reached the complexity limit. + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "typeRelatedToDiscriminatedType_DepthLimit", { sourceId: source.id, targetId: target.id, numCombinations: numCombinations }); + return 0 /* Ternary.False */; + } + } + // Compute the set of types for each discriminant property. + var sourceDiscriminantTypes = new Array(sourcePropertiesFiltered.length); + var excludedProperties = new ts.Set(); + for (var i = 0; i < sourcePropertiesFiltered.length; i++) { + var sourceProperty = sourcePropertiesFiltered[i]; + var sourcePropertyType = getNonMissingTypeOfSymbol(sourceProperty); + sourceDiscriminantTypes[i] = sourcePropertyType.flags & 1048576 /* TypeFlags.Union */ + ? sourcePropertyType.types + : [sourcePropertyType]; + excludedProperties.add(sourceProperty.escapedName); + } + // Match each combination of the cartesian product of discriminant properties to one or more + // constituents of 'target'. If any combination does not have a match then 'source' is not relatable. + var discriminantCombinations = ts.cartesianProduct(sourceDiscriminantTypes); + var matchingTypes = []; + var _loop_20 = function (combination) { + var hasMatch = false; + outer: for (var _c = 0, _d = target.types; _c < _d.length; _c++) { + var type = _d[_c]; + var _loop_21 = function (i) { + var sourceProperty = sourcePropertiesFiltered[i]; + var targetProperty = getPropertyOfType(type, sourceProperty.escapedName); + if (!targetProperty) + return "continue-outer"; + if (sourceProperty === targetProperty) + return "continue"; + // We compare the source property to the target in the context of a single discriminant type. + var related = propertyRelatedTo(source, target, sourceProperty, targetProperty, function (_) { return combination[i]; }, /*reportErrors*/ false, 0 /* IntersectionState.None */, /*skipOptional*/ strictNullChecks || relation === comparableRelation); + // If the target property could not be found, or if the properties were not related, + // then this constituent is not a match. + if (!related) { + return "continue-outer"; + } + }; + for (var i = 0; i < sourcePropertiesFiltered.length; i++) { + var state_8 = _loop_21(i); + switch (state_8) { + case "continue-outer": continue outer; + } + } + ts.pushIfUnique(matchingTypes, type, ts.equateValues); + hasMatch = true; + } + if (!hasMatch) { + return { value: 0 /* Ternary.False */ }; + } + }; + for (var _a = 0, discriminantCombinations_1 = discriminantCombinations; _a < discriminantCombinations_1.length; _a++) { + var combination = discriminantCombinations_1[_a]; + var state_7 = _loop_20(combination); + if (typeof state_7 === "object") + return state_7.value; + } + // Compare the remaining non-discriminant properties of each match. + var result = -1 /* Ternary.True */; + for (var _b = 0, matchingTypes_1 = matchingTypes; _b < matchingTypes_1.length; _b++) { + var type = matchingTypes_1[_b]; + result &= propertiesRelatedTo(source, type, /*reportErrors*/ false, excludedProperties, 0 /* IntersectionState.None */); + if (result) { + result &= signaturesRelatedTo(source, type, 0 /* SignatureKind.Call */, /*reportStructuralErrors*/ false); + if (result) { + result &= signaturesRelatedTo(source, type, 1 /* SignatureKind.Construct */, /*reportStructuralErrors*/ false); + if (result && !(isTupleType(source) && isTupleType(type))) { + // Comparing numeric index types when both `source` and `type` are tuples is unnecessary as the + // element types should be sufficiently covered by `propertiesRelatedTo`. It also causes problems + // with index type assignability as the types for the excluded discriminants are still included + // in the index type. + result &= indexSignaturesRelatedTo(source, type, /*sourceIsPrimitive*/ false, /*reportStructuralErrors*/ false, 0 /* IntersectionState.None */); + } + } + } + if (!result) { + return result; + } + } + return result; + } + function excludeProperties(properties, excludedProperties) { + if (!excludedProperties || properties.length === 0) + return properties; + var result; + for (var i = 0; i < properties.length; i++) { + if (!excludedProperties.has(properties[i].escapedName)) { + if (result) { + result.push(properties[i]); + } + } + else if (!result) { + result = properties.slice(0, i); + } + } + return result || properties; + } + function isPropertySymbolTypeRelated(sourceProp, targetProp, getTypeOfSourceProperty, reportErrors, intersectionState) { + var targetIsOptional = strictNullChecks && !!(ts.getCheckFlags(targetProp) & 48 /* CheckFlags.Partial */); + var effectiveTarget = addOptionality(getNonMissingTypeOfSymbol(targetProp), /*isProperty*/ false, targetIsOptional); + var effectiveSource = getTypeOfSourceProperty(sourceProp); + return isRelatedTo(effectiveSource, effectiveTarget, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + } + function propertyRelatedTo(source, target, sourceProp, targetProp, getTypeOfSourceProperty, reportErrors, intersectionState, skipOptional) { + var sourcePropFlags = ts.getDeclarationModifierFlagsFromSymbol(sourceProp); + var targetPropFlags = ts.getDeclarationModifierFlagsFromSymbol(targetProp); + if (sourcePropFlags & 8 /* ModifierFlags.Private */ || targetPropFlags & 8 /* ModifierFlags.Private */) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 8 /* ModifierFlags.Private */ && targetPropFlags & 8 /* ModifierFlags.Private */) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 /* ModifierFlags.Private */ ? source : target), typeToString(sourcePropFlags & 8 /* ModifierFlags.Private */ ? target : source)); + } + } + return 0 /* Ternary.False */; + } + } + else if (targetPropFlags & 16 /* ModifierFlags.Protected */) { + if (!isValidOverrideOf(sourceProp, targetProp)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(getDeclaringClass(sourceProp) || source), typeToString(getDeclaringClass(targetProp) || target)); + } + return 0 /* Ternary.False */; + } + } + else if (sourcePropFlags & 16 /* ModifierFlags.Protected */) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0 /* Ternary.False */; + } + // Ensure {readonly a: whatever} is not a subtype of {a: whatever}, + // while {a: whatever} is a subtype of {readonly a: whatever}. + // This ensures the subtype relationship is ordered, and preventing declaration order + // from deciding which type "wins" in union subtype reduction. + // They're still assignable to one another, since `readonly` doesn't affect assignability. + // This is only applied during the strictSubtypeRelation -- currently used in subtype reduction + if (relation === strictSubtypeRelation && + isReadonlySymbol(sourceProp) && !isReadonlySymbol(targetProp)) { + return 0 /* Ternary.False */; + } + // If the target comes from a partial union prop, allow `undefined` in the target type + var related = isPropertySymbolTypeRelated(sourceProp, targetProp, getTypeOfSourceProperty, reportErrors, intersectionState); + if (!related) { + if (reportErrors) { + reportIncompatibleError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0 /* Ternary.False */; + } + // When checking for comparability, be more lenient with optional properties. + if (!skipOptional && sourceProp.flags & 16777216 /* SymbolFlags.Optional */ && !(targetProp.flags & 16777216 /* SymbolFlags.Optional */)) { + // TypeScript 1.0 spec (April 2014): 3.8.3 + // S is a subtype of a type T, and T is a supertype of S if ... + // S' and T are object types and, for each member M in T.. + // M is a property and S' contains a property N where + // if M is a required property, N is also a required property + // (M - property in T) + // (N - property in S) + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0 /* Ternary.False */; + } + return related; + } + function reportUnmatchedProperty(source, target, unmatchedProperty, requireOptionalProperties) { + var shouldSkipElaboration = false; + // give specific error in case where private names have the same description + if (unmatchedProperty.valueDeclaration + && ts.isNamedDeclaration(unmatchedProperty.valueDeclaration) + && ts.isPrivateIdentifier(unmatchedProperty.valueDeclaration.name) + && source.symbol + && source.symbol.flags & 32 /* SymbolFlags.Class */) { + var privateIdentifierDescription = unmatchedProperty.valueDeclaration.name.escapedText; + var symbolTableKey = ts.getSymbolNameForPrivateIdentifier(source.symbol, privateIdentifierDescription); + if (symbolTableKey && getPropertyOfType(source, symbolTableKey)) { + var sourceName = ts.factory.getDeclarationName(source.symbol.valueDeclaration); + var targetName = ts.factory.getDeclarationName(target.symbol.valueDeclaration); + reportError(ts.Diagnostics.Property_0_in_type_1_refers_to_a_different_member_that_cannot_be_accessed_from_within_type_2, diagnosticName(privateIdentifierDescription), diagnosticName(sourceName.escapedText === "" ? anon : sourceName), diagnosticName(targetName.escapedText === "" ? anon : targetName)); + return; + } + } + var props = ts.arrayFrom(getUnmatchedProperties(source, target, requireOptionalProperties, /*matchDiscriminantProperties*/ false)); + if (!headMessage || (headMessage.code !== ts.Diagnostics.Class_0_incorrectly_implements_interface_1.code && + headMessage.code !== ts.Diagnostics.Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass.code)) { + shouldSkipElaboration = true; // Retain top-level error for interface implementing issues, otherwise omit it + } + if (props.length === 1) { + var propName = symbolToString(unmatchedProperty); + reportError.apply(void 0, __spreadArray([ts.Diagnostics.Property_0_is_missing_in_type_1_but_required_in_type_2, propName], getTypeNamesForErrorDisplay(source, target), false)); + if (ts.length(unmatchedProperty.declarations)) { + associateRelatedInfo(ts.createDiagnosticForNode(unmatchedProperty.declarations[0], ts.Diagnostics._0_is_declared_here, propName)); + } + if (shouldSkipElaboration && errorInfo) { + overrideNextErrorInfo++; + } + } + else if (tryElaborateArrayLikeErrors(source, target, /*reportErrors*/ false)) { + if (props.length > 5) { // arbitrary cutoff for too-long list form + reportError(ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more, typeToString(source), typeToString(target), ts.map(props.slice(0, 4), function (p) { return symbolToString(p); }).join(", "), props.length - 4); + } + else { + reportError(ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2, typeToString(source), typeToString(target), ts.map(props, function (p) { return symbolToString(p); }).join(", ")); + } + if (shouldSkipElaboration && errorInfo) { + overrideNextErrorInfo++; + } + } + // No array like or unmatched property error - just issue top level error (errorInfo = undefined) + } + function propertiesRelatedTo(source, target, reportErrors, excludedProperties, intersectionState) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target, excludedProperties); + } + var result = -1 /* Ternary.True */; + if (isTupleType(target)) { + if (isArrayOrTupleType(source)) { + if (!target.target.readonly && (isReadonlyArrayType(source) || isTupleType(source) && source.target.readonly)) { + return 0 /* Ternary.False */; + } + var sourceArity = getTypeReferenceArity(source); + var targetArity = getTypeReferenceArity(target); + var sourceRestFlag = isTupleType(source) ? source.target.combinedFlags & 4 /* ElementFlags.Rest */ : 4 /* ElementFlags.Rest */; + var targetRestFlag = target.target.combinedFlags & 4 /* ElementFlags.Rest */; + var sourceMinLength = isTupleType(source) ? source.target.minLength : 0; + var targetMinLength = target.target.minLength; + if (!sourceRestFlag && sourceArity < targetMinLength) { + if (reportErrors) { + reportError(ts.Diagnostics.Source_has_0_element_s_but_target_requires_1, sourceArity, targetMinLength); + } + return 0 /* Ternary.False */; + } + if (!targetRestFlag && targetArity < sourceMinLength) { + if (reportErrors) { + reportError(ts.Diagnostics.Source_has_0_element_s_but_target_allows_only_1, sourceMinLength, targetArity); + } + return 0 /* Ternary.False */; + } + if (!targetRestFlag && (sourceRestFlag || targetArity < sourceArity)) { + if (reportErrors) { + if (sourceMinLength < targetMinLength) { + reportError(ts.Diagnostics.Target_requires_0_element_s_but_source_may_have_fewer, targetMinLength); + } + else { + reportError(ts.Diagnostics.Target_allows_only_0_element_s_but_source_may_have_more, targetArity); + } + } + return 0 /* Ternary.False */; + } + var sourceTypeArguments = getTypeArguments(source); + var targetTypeArguments = getTypeArguments(target); + var startCount = Math.min(isTupleType(source) ? getStartElementCount(source.target, 11 /* ElementFlags.NonRest */) : 0, getStartElementCount(target.target, 11 /* ElementFlags.NonRest */)); + var endCount = Math.min(isTupleType(source) ? getEndElementCount(source.target, 11 /* ElementFlags.NonRest */) : 0, targetRestFlag ? getEndElementCount(target.target, 11 /* ElementFlags.NonRest */) : 0); + var canExcludeDiscriminants = !!excludedProperties; + for (var i = 0; i < targetArity; i++) { + var sourceIndex = i < targetArity - endCount ? i : i + sourceArity - targetArity; + var sourceFlags = isTupleType(source) && (i < startCount || i >= targetArity - endCount) ? source.target.elementFlags[sourceIndex] : 4 /* ElementFlags.Rest */; + var targetFlags = target.target.elementFlags[i]; + if (targetFlags & 8 /* ElementFlags.Variadic */ && !(sourceFlags & 8 /* ElementFlags.Variadic */)) { + if (reportErrors) { + reportError(ts.Diagnostics.Source_provides_no_match_for_variadic_element_at_position_0_in_target, i); + } + return 0 /* Ternary.False */; + } + if (sourceFlags & 8 /* ElementFlags.Variadic */ && !(targetFlags & 12 /* ElementFlags.Variable */)) { + if (reportErrors) { + reportError(ts.Diagnostics.Variadic_element_at_position_0_in_source_does_not_match_element_at_position_1_in_target, sourceIndex, i); + } + return 0 /* Ternary.False */; + } + if (targetFlags & 1 /* ElementFlags.Required */ && !(sourceFlags & 1 /* ElementFlags.Required */)) { + if (reportErrors) { + reportError(ts.Diagnostics.Source_provides_no_match_for_required_element_at_position_0_in_target, i); + } + return 0 /* Ternary.False */; + } + // We can only exclude discriminant properties if we have not yet encountered a variable-length element. + if (canExcludeDiscriminants) { + if (sourceFlags & 12 /* ElementFlags.Variable */ || targetFlags & 12 /* ElementFlags.Variable */) { + canExcludeDiscriminants = false; + } + if (canExcludeDiscriminants && (excludedProperties === null || excludedProperties === void 0 ? void 0 : excludedProperties.has(("" + i)))) { + continue; + } + } + var sourceType = !isTupleType(source) ? sourceTypeArguments[0] : + i < startCount || i >= targetArity - endCount ? removeMissingType(sourceTypeArguments[sourceIndex], !!(sourceFlags & targetFlags & 2 /* ElementFlags.Optional */)) : + getElementTypeOfSliceOfTupleType(source, startCount, endCount) || neverType; + var targetType = targetTypeArguments[i]; + var targetCheckType = sourceFlags & 8 /* ElementFlags.Variadic */ && targetFlags & 4 /* ElementFlags.Rest */ ? createArrayType(targetType) : + removeMissingType(targetType, !!(targetFlags & 2 /* ElementFlags.Optional */)); + var related = isRelatedTo(sourceType, targetCheckType, 3 /* RecursionFlags.Both */, reportErrors, /*headMessage*/ undefined, intersectionState); + if (!related) { + if (reportErrors && (targetArity > 1 || sourceArity > 1)) { + if (i < startCount || i >= targetArity - endCount || sourceArity - startCount - endCount === 1) { + reportIncompatibleError(ts.Diagnostics.Type_at_position_0_in_source_is_not_compatible_with_type_at_position_1_in_target, sourceIndex, i); + } + else { + reportIncompatibleError(ts.Diagnostics.Type_at_positions_0_through_1_in_source_is_not_compatible_with_type_at_position_2_in_target, startCount, sourceArity - endCount - 1, i); + } + } + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + if (target.target.combinedFlags & 12 /* ElementFlags.Variable */) { + return 0 /* Ternary.False */; + } + } + var requireOptionalProperties = (relation === subtypeRelation || relation === strictSubtypeRelation) && !isObjectLiteralType(source) && !isEmptyArrayLiteralType(source) && !isTupleType(source); + var unmatchedProperty = getUnmatchedProperty(source, target, requireOptionalProperties, /*matchDiscriminantProperties*/ false); + if (unmatchedProperty) { + if (reportErrors && shouldReportUnmatchedPropertyError(source, target)) { + reportUnmatchedProperty(source, target, unmatchedProperty, requireOptionalProperties); + } + return 0 /* Ternary.False */; + } + if (isObjectLiteralType(target)) { + for (var _i = 0, _a = excludeProperties(getPropertiesOfType(source), excludedProperties); _i < _a.length; _i++) { + var sourceProp = _a[_i]; + if (!getPropertyOfObjectType(target, sourceProp.escapedName)) { + var sourceType = getTypeOfSymbol(sourceProp); + if (!(sourceType.flags & 32768 /* TypeFlags.Undefined */)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_does_not_exist_on_type_1, symbolToString(sourceProp), typeToString(target)); + } + return 0 /* Ternary.False */; + } + } + } + } + // We only call this for union target types when we're attempting to do excess property checking - in those cases, we want to get _all possible props_ + // from the target union, across all members + var properties = getPropertiesOfType(target); + var numericNamesOnly = isTupleType(source) && isTupleType(target); + for (var _b = 0, _c = excludeProperties(properties, excludedProperties); _b < _c.length; _b++) { + var targetProp = _c[_b]; + var name = targetProp.escapedName; + if (!(targetProp.flags & 4194304 /* SymbolFlags.Prototype */) && (!numericNamesOnly || ts.isNumericLiteralName(name) || name === "length")) { + var sourceProp = getPropertyOfType(source, name); + if (sourceProp && sourceProp !== targetProp) { + var related = propertyRelatedTo(source, target, sourceProp, targetProp, getNonMissingTypeOfSymbol, reportErrors, intersectionState, relation === comparableRelation); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + } + } + return result; + } + function propertiesIdenticalTo(source, target, excludedProperties) { + if (!(source.flags & 524288 /* TypeFlags.Object */ && target.flags & 524288 /* TypeFlags.Object */)) { + return 0 /* Ternary.False */; + } + var sourceProperties = excludeProperties(getPropertiesOfObjectType(source), excludedProperties); + var targetProperties = excludeProperties(getPropertiesOfObjectType(target), excludedProperties); + if (sourceProperties.length !== targetProperties.length) { + return 0 /* Ternary.False */; + } + var result = -1 /* Ternary.True */; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.escapedName); + if (!targetProp) { + return 0 /* Ternary.False */; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + function signaturesRelatedTo(source, target, kind, reportErrors) { + var _a, _b; + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1 /* Ternary.True */; + } + var sourceIsJSConstructor = source.symbol && isJSConstructor(source.symbol.valueDeclaration); + var targetIsJSConstructor = target.symbol && isJSConstructor(target.symbol.valueDeclaration); + var sourceSignatures = getSignaturesOfType(source, (sourceIsJSConstructor && kind === 1 /* SignatureKind.Construct */) ? + 0 /* SignatureKind.Call */ : kind); + var targetSignatures = getSignaturesOfType(target, (targetIsJSConstructor && kind === 1 /* SignatureKind.Construct */) ? + 0 /* SignatureKind.Call */ : kind); + if (kind === 1 /* SignatureKind.Construct */ && sourceSignatures.length && targetSignatures.length) { + var sourceIsAbstract = !!(sourceSignatures[0].flags & 4 /* SignatureFlags.Abstract */); + var targetIsAbstract = !!(targetSignatures[0].flags & 4 /* SignatureFlags.Abstract */); + if (sourceIsAbstract && !targetIsAbstract) { + // An abstract constructor type is not assignable to a non-abstract constructor type + // as it would otherwise be possible to new an abstract class. Note that the assignability + // check we perform for an extends clause excludes construct signatures from the target, + // so this check never proceeds. + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + return 0 /* Ternary.False */; + } + if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) { + return 0 /* Ternary.False */; + } + } + var result = -1 /* Ternary.True */; + var incompatibleReporter = kind === 1 /* SignatureKind.Construct */ ? reportIncompatibleConstructSignatureReturn : reportIncompatibleCallSignatureReturn; + var sourceObjectFlags = ts.getObjectFlags(source); + var targetObjectFlags = ts.getObjectFlags(target); + if (sourceObjectFlags & 64 /* ObjectFlags.Instantiated */ && targetObjectFlags & 64 /* ObjectFlags.Instantiated */ && source.symbol === target.symbol || + sourceObjectFlags & 4 /* ObjectFlags.Reference */ && targetObjectFlags & 4 /* ObjectFlags.Reference */ && source.target === target.target) { + // We have instantiations of the same anonymous type (which typically will be the type of a + // method). Simply do a pairwise comparison of the signatures in the two signature lists instead + // of the much more expensive N * M comparison matrix we explore below. We erase type parameters + // as they are known to always be the same. + for (var i = 0; i < targetSignatures.length; i++) { + var related = signatureRelatedTo(sourceSignatures[i], targetSignatures[i], /*erase*/ true, reportErrors, incompatibleReporter(sourceSignatures[i], targetSignatures[i])); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + } + else if (sourceSignatures.length === 1 && targetSignatures.length === 1) { + // For simple functions (functions with a single signature) we only erase type parameters for + // the comparable relation. Otherwise, if the source signature is generic, we instantiate it + // in the context of the target signature before checking the relationship. Ideally we'd do + // this regardless of the number of signatures, but the potential costs are prohibitive due + // to the quadratic nature of the logic below. + var eraseGenerics = relation === comparableRelation || !!compilerOptions.noStrictGenericChecks; + var sourceSignature = ts.first(sourceSignatures); + var targetSignature = ts.first(targetSignatures); + result = signatureRelatedTo(sourceSignature, targetSignature, eraseGenerics, reportErrors, incompatibleReporter(sourceSignature, targetSignature)); + if (!result && reportErrors && kind === 1 /* SignatureKind.Construct */ && (sourceObjectFlags & targetObjectFlags) && + (((_a = targetSignature.declaration) === null || _a === void 0 ? void 0 : _a.kind) === 171 /* SyntaxKind.Constructor */ || ((_b = sourceSignature.declaration) === null || _b === void 0 ? void 0 : _b.kind) === 171 /* SyntaxKind.Constructor */)) { + var constructSignatureToString = function (signature) { + return signatureToString(signature, /*enclosingDeclaration*/ undefined, 262144 /* TypeFormatFlags.WriteArrowStyleSignature */, kind); + }; + reportError(ts.Diagnostics.Type_0_is_not_assignable_to_type_1, constructSignatureToString(sourceSignature), constructSignatureToString(targetSignature)); + reportError(ts.Diagnostics.Types_of_construct_signatures_are_incompatible); + return result; + } + } + else { + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + var saveErrorInfo = captureErrorCalculationState(); + // Only elaborate errors from the first failure + var shouldElaborateErrors = reportErrors; + for (var _c = 0, sourceSignatures_1 = sourceSignatures; _c < sourceSignatures_1.length; _c++) { + var s = sourceSignatures_1[_c]; + var related = signatureRelatedTo(s, t, /*erase*/ true, shouldElaborateErrors, incompatibleReporter(s, t)); + if (related) { + result &= related; + resetErrorInfo(saveErrorInfo); + continue outer; + } + shouldElaborateErrors = false; + } + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, /*enclosingDeclaration*/ undefined, /*flags*/ undefined, kind)); + } + return 0 /* Ternary.False */; + } + } + return result; + } + function shouldReportUnmatchedPropertyError(source, target) { + var typeCallSignatures = getSignaturesOfStructuredType(source, 0 /* SignatureKind.Call */); + var typeConstructSignatures = getSignaturesOfStructuredType(source, 1 /* SignatureKind.Construct */); + var typeProperties = getPropertiesOfObjectType(source); + if ((typeCallSignatures.length || typeConstructSignatures.length) && !typeProperties.length) { + if ((getSignaturesOfType(target, 0 /* SignatureKind.Call */).length && typeCallSignatures.length) || + (getSignaturesOfType(target, 1 /* SignatureKind.Construct */).length && typeConstructSignatures.length)) { + return true; // target has similar signature kinds to source, still focus on the unmatched property + } + return false; + } + return true; + } + function reportIncompatibleCallSignatureReturn(siga, sigb) { + if (siga.parameters.length === 0 && sigb.parameters.length === 0) { + return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1, typeToString(source), typeToString(target)); }; + } + return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Call_signature_return_types_0_and_1_are_incompatible, typeToString(source), typeToString(target)); }; + } + function reportIncompatibleConstructSignatureReturn(siga, sigb) { + if (siga.parameters.length === 0 && sigb.parameters.length === 0) { + return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1, typeToString(source), typeToString(target)); }; + } + return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible, typeToString(source), typeToString(target)); }; + } + /** + * See signatureAssignableTo, compareSignaturesIdentical + */ + function signatureRelatedTo(source, target, erase, reportErrors, incompatibleReporter) { + return compareSignaturesRelated(erase ? getErasedSignature(source) : source, erase ? getErasedSignature(target) : target, relation === strictSubtypeRelation ? 8 /* SignatureCheckMode.StrictArity */ : 0, reportErrors, reportError, incompatibleReporter, isRelatedToWorker, makeFunctionTypeMapper(reportUnreliableMarkers)); + } + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0 /* Ternary.False */; + } + var result = -1 /* Ternary.True */; + for (var i = 0; i < sourceSignatures.length; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ false, isRelatedTo); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + function membersRelatedToIndexInfo(source, targetInfo, reportErrors) { + var result = -1 /* Ternary.True */; + var keyType = targetInfo.keyType; + var props = source.flags & 2097152 /* TypeFlags.Intersection */ ? getPropertiesOfUnionOrIntersectionType(source) : getPropertiesOfObjectType(source); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + // Skip over ignored JSX and symbol-named members + if (isIgnoredJsxProperty(source, prop)) { + continue; + } + if (isApplicableIndexType(getLiteralTypeFromProperty(prop, 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */), keyType)) { + var propType = getNonMissingTypeOfSymbol(prop); + var type = exactOptionalPropertyTypes || propType.flags & 32768 /* TypeFlags.Undefined */ || keyType === numberType || !(prop.flags & 16777216 /* SymbolFlags.Optional */) + ? propType + : getTypeWithFacts(propType, 524288 /* TypeFacts.NEUndefined */); + var related = isRelatedTo(type, targetInfo.type, 3 /* RecursionFlags.Both */, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop)); + } + return 0 /* Ternary.False */; + } + result &= related; + } + } + for (var _a = 0, _b = getIndexInfosOfType(source); _a < _b.length; _a++) { + var info = _b[_a]; + if (isApplicableIndexType(info.keyType, keyType)) { + var related = indexInfoRelatedTo(info, targetInfo, reportErrors); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + } + return result; + } + function indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors) { + var related = isRelatedTo(sourceInfo.type, targetInfo.type, 3 /* RecursionFlags.Both */, reportErrors); + if (!related && reportErrors) { + if (sourceInfo.keyType === targetInfo.keyType) { + reportError(ts.Diagnostics._0_index_signatures_are_incompatible, typeToString(sourceInfo.keyType)); + } + else { + reportError(ts.Diagnostics._0_and_1_index_signatures_are_incompatible, typeToString(sourceInfo.keyType), typeToString(targetInfo.keyType)); + } + } + return related; + } + function indexSignaturesRelatedTo(source, target, sourceIsPrimitive, reportErrors, intersectionState) { + if (relation === identityRelation) { + return indexSignaturesIdenticalTo(source, target); + } + var indexInfos = getIndexInfosOfType(target); + var targetHasStringIndex = ts.some(indexInfos, function (info) { return info.keyType === stringType; }); + var result = -1 /* Ternary.True */; + for (var _i = 0, indexInfos_5 = indexInfos; _i < indexInfos_5.length; _i++) { + var targetInfo = indexInfos_5[_i]; + var related = !sourceIsPrimitive && targetHasStringIndex && targetInfo.type.flags & 1 /* TypeFlags.Any */ ? -1 /* Ternary.True */ : + isGenericMappedType(source) && targetHasStringIndex ? isRelatedTo(getTemplateTypeFromMappedType(source), targetInfo.type, 3 /* RecursionFlags.Both */, reportErrors) : + typeRelatedToIndexInfo(source, targetInfo, reportErrors, intersectionState); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + return result; + } + function typeRelatedToIndexInfo(source, targetInfo, reportErrors, intersectionState) { + var sourceInfo = getApplicableIndexInfo(source, targetInfo.keyType); + if (sourceInfo) { + return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors); + } + if (!(intersectionState & 1 /* IntersectionState.Source */) && isObjectTypeWithInferableIndex(source)) { + // Intersection constituents are never considered to have an inferred index signature + return membersRelatedToIndexInfo(source, targetInfo, reportErrors); + } + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_for_type_0_is_missing_in_type_1, typeToString(targetInfo.keyType), typeToString(source)); + } + return 0 /* Ternary.False */; + } + function indexSignaturesIdenticalTo(source, target) { + var sourceInfos = getIndexInfosOfType(source); + var targetInfos = getIndexInfosOfType(target); + if (sourceInfos.length !== targetInfos.length) { + return 0 /* Ternary.False */; + } + for (var _i = 0, targetInfos_1 = targetInfos; _i < targetInfos_1.length; _i++) { + var targetInfo = targetInfos_1[_i]; + var sourceInfo = getIndexInfoOfType(source, targetInfo.keyType); + if (!(sourceInfo && isRelatedTo(sourceInfo.type, targetInfo.type, 3 /* RecursionFlags.Both */) && sourceInfo.isReadonly === targetInfo.isReadonly)) { + return 0 /* Ternary.False */; + } + } + return -1 /* Ternary.True */; + } + function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) { + if (!sourceSignature.declaration || !targetSignature.declaration) { + return true; + } + var sourceAccessibility = ts.getSelectedEffectiveModifierFlags(sourceSignature.declaration, 24 /* ModifierFlags.NonPublicAccessibilityModifier */); + var targetAccessibility = ts.getSelectedEffectiveModifierFlags(targetSignature.declaration, 24 /* ModifierFlags.NonPublicAccessibilityModifier */); + // A public, protected and private signature is assignable to a private signature. + if (targetAccessibility === 8 /* ModifierFlags.Private */) { + return true; + } + // A public and protected signature is assignable to a protected signature. + if (targetAccessibility === 16 /* ModifierFlags.Protected */ && sourceAccessibility !== 8 /* ModifierFlags.Private */) { + return true; + } + // Only a public signature is assignable to public signature. + if (targetAccessibility !== 16 /* ModifierFlags.Protected */ && !sourceAccessibility) { + return true; + } + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility)); + } + return false; + } + } + function typeCouldHaveTopLevelSingletonTypes(type) { + // Okay, yes, 'boolean' is a union of 'true | false', but that's not useful + // in error reporting scenarios. If you need to use this function but that detail matters, + // feel free to add a flag. + if (type.flags & 16 /* TypeFlags.Boolean */) { + return false; + } + if (type.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + return !!ts.forEach(type.types, typeCouldHaveTopLevelSingletonTypes); + } + if (type.flags & 465829888 /* TypeFlags.Instantiable */) { + var constraint = getConstraintOfType(type); + if (constraint && constraint !== type) { + return typeCouldHaveTopLevelSingletonTypes(constraint); + } + } + return isUnitType(type) || !!(type.flags & 134217728 /* TypeFlags.TemplateLiteral */); + } + function getExactOptionalUnassignableProperties(source, target) { + if (isTupleType(source) && isTupleType(target)) + return ts.emptyArray; + return getPropertiesOfType(target) + .filter(function (targetProp) { return isExactOptionalPropertyMismatch(getTypeOfPropertyOfType(source, targetProp.escapedName), getTypeOfSymbol(targetProp)); }); + } + function isExactOptionalPropertyMismatch(source, target) { + return !!source && !!target && maybeTypeOfKind(source, 32768 /* TypeFlags.Undefined */) && !!containsMissingType(target); + } + function getExactOptionalProperties(type) { + return getPropertiesOfType(type).filter(function (targetProp) { return containsMissingType(getTypeOfSymbol(targetProp)); }); + } + function getBestMatchingType(source, target, isRelatedTo) { + if (isRelatedTo === void 0) { isRelatedTo = compareTypesAssignable; } + return findMatchingDiscriminantType(source, target, isRelatedTo, /*skipPartial*/ true) || + findMatchingTypeReferenceOrTypeAliasReference(source, target) || + findBestTypeForObjectLiteral(source, target) || + findBestTypeForInvokable(source, target) || + findMostOverlappyType(source, target); + } + function discriminateTypeByDiscriminableItems(target, discriminators, related, defaultValue, skipPartial) { + // undefined=unknown, true=discriminated, false=not discriminated + // The state of each type progresses from left to right. Discriminated types stop at 'true'. + var discriminable = target.types.map(function (_) { return undefined; }); + for (var _i = 0, discriminators_1 = discriminators; _i < discriminators_1.length; _i++) { + var _a = discriminators_1[_i], getDiscriminatingType = _a[0], propertyName = _a[1]; + var targetProp = getUnionOrIntersectionProperty(target, propertyName); + if (skipPartial && targetProp && ts.getCheckFlags(targetProp) & 16 /* CheckFlags.ReadPartial */) { + continue; + } + var i = 0; + for (var _b = 0, _c = target.types; _b < _c.length; _b++) { + var type = _c[_b]; + var targetType = getTypeOfPropertyOfType(type, propertyName); + if (targetType && related(getDiscriminatingType(), targetType)) { + discriminable[i] = discriminable[i] === undefined ? true : discriminable[i]; + } + else { + discriminable[i] = false; + } + i++; + } + } + var match = discriminable.indexOf(/*searchElement*/ true); + if (match === -1) { + return defaultValue; + } + // make sure exactly 1 matches before returning it + var nextMatch = discriminable.indexOf(/*searchElement*/ true, match + 1); + while (nextMatch !== -1) { + if (!isTypeIdenticalTo(target.types[match], target.types[nextMatch])) { + return defaultValue; + } + nextMatch = discriminable.indexOf(/*searchElement*/ true, nextMatch + 1); + } + return target.types[match]; + } + /** + * A type is 'weak' if it is an object type with at least one optional property + * and no required properties, call/construct signatures or index signatures + */ + function isWeakType(type) { + if (type.flags & 524288 /* TypeFlags.Object */) { + var resolved = resolveStructuredTypeMembers(type); + return resolved.callSignatures.length === 0 && resolved.constructSignatures.length === 0 && resolved.indexInfos.length === 0 && + resolved.properties.length > 0 && ts.every(resolved.properties, function (p) { return !!(p.flags & 16777216 /* SymbolFlags.Optional */); }); + } + if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return ts.every(type.types, isWeakType); + } + return false; + } + function hasCommonProperties(source, target, isComparingJsxAttributes) { + for (var _i = 0, _a = getPropertiesOfType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (isKnownProperty(target, prop.escapedName, isComparingJsxAttributes)) { + return true; + } + } + return false; + } + function getVariances(type) { + // Arrays and tuples are known to be covariant, no need to spend time computing this. + return type === globalArrayType || type === globalReadonlyArrayType || type.objectFlags & 8 /* ObjectFlags.Tuple */ ? + arrayVariances : + getVariancesWorker(type.symbol, type.typeParameters); + } + function getAliasVariances(symbol) { + return getVariancesWorker(symbol, getSymbolLinks(symbol).typeParameters); + } + // Return an array containing the variance of each type parameter. The variance is effectively + // a digest of the type comparisons that occur for each type argument when instantiations of the + // generic type are structurally compared. We infer the variance information by comparing + // instantiations of the generic type for type arguments with known relations. The function + // returns the emptyArray singleton when invoked recursively for the given generic type. + function getVariancesWorker(symbol, typeParameters) { + if (typeParameters === void 0) { typeParameters = ts.emptyArray; } + var links = getSymbolLinks(symbol); + if (!links.variances) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("checkTypes" /* tracing.Phase.CheckTypes */, "getVariancesWorker", { arity: typeParameters.length, id: getTypeId(getDeclaredTypeOfSymbol(symbol)) }); + links.variances = ts.emptyArray; + var variances = []; + var _loop_22 = function (tp) { + var modifiers = getVarianceModifiers(tp); + var variance = modifiers & 65536 /* ModifierFlags.Out */ ? + modifiers & 32768 /* ModifierFlags.In */ ? 0 /* VarianceFlags.Invariant */ : 1 /* VarianceFlags.Covariant */ : + modifiers & 32768 /* ModifierFlags.In */ ? 2 /* VarianceFlags.Contravariant */ : undefined; + if (variance === undefined) { + var unmeasurable_1 = false; + var unreliable_1 = false; + var oldHandler = outofbandVarianceMarkerHandler; + outofbandVarianceMarkerHandler = function (onlyUnreliable) { return onlyUnreliable ? unreliable_1 = true : unmeasurable_1 = true; }; + // We first compare instantiations where the type parameter is replaced with + // marker types that have a known subtype relationship. From this we can infer + // invariance, covariance, contravariance or bivariance. + var typeWithSuper = createMarkerType(symbol, tp, markerSuperType); + var typeWithSub = createMarkerType(symbol, tp, markerSubType); + variance = (isTypeAssignableTo(typeWithSub, typeWithSuper) ? 1 /* VarianceFlags.Covariant */ : 0) | + (isTypeAssignableTo(typeWithSuper, typeWithSub) ? 2 /* VarianceFlags.Contravariant */ : 0); + // If the instantiations appear to be related bivariantly it may be because the + // type parameter is independent (i.e. it isn't witnessed anywhere in the generic + // type). To determine this we compare instantiations where the type parameter is + // replaced with marker types that are known to be unrelated. + if (variance === 3 /* VarianceFlags.Bivariant */ && isTypeAssignableTo(createMarkerType(symbol, tp, markerOtherType), typeWithSuper)) { + variance = 4 /* VarianceFlags.Independent */; + } + outofbandVarianceMarkerHandler = oldHandler; + if (unmeasurable_1 || unreliable_1) { + if (unmeasurable_1) { + variance |= 8 /* VarianceFlags.Unmeasurable */; + } + if (unreliable_1) { + variance |= 16 /* VarianceFlags.Unreliable */; + } + } + } + variances.push(variance); + }; + for (var _i = 0, typeParameters_1 = typeParameters; _i < typeParameters_1.length; _i++) { + var tp = typeParameters_1[_i]; + _loop_22(tp); + } + links.variances = variances; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + return links.variances; + } + function createMarkerType(symbol, source, target) { + var mapper = makeUnaryTypeMapper(source, target); + var type = getDeclaredTypeOfSymbol(symbol); + if (isErrorType(type)) { + return type; + } + var result = symbol.flags & 524288 /* SymbolFlags.TypeAlias */ ? + getTypeAliasInstantiation(symbol, instantiateTypes(getSymbolLinks(symbol).typeParameters, mapper)) : + createTypeReference(type, instantiateTypes(type.typeParameters, mapper)); + markerTypes.add(getTypeId(result)); + return result; + } + function isMarkerType(type) { + return markerTypes.has(getTypeId(type)); + } + function getVarianceModifiers(tp) { + var _a, _b; + return (ts.some((_a = tp.symbol) === null || _a === void 0 ? void 0 : _a.declarations, function (d) { return ts.hasSyntacticModifier(d, 32768 /* ModifierFlags.In */); }) ? 32768 /* ModifierFlags.In */ : 0) | + (ts.some((_b = tp.symbol) === null || _b === void 0 ? void 0 : _b.declarations, function (d) { return ts.hasSyntacticModifier(d, 65536 /* ModifierFlags.Out */); }) ? 65536 /* ModifierFlags.Out */ : 0); + } + // Return true if the given type reference has a 'void' type argument for a covariant type parameter. + // See comment at call in recursiveTypeRelatedTo for when this case matters. + function hasCovariantVoidArgument(typeArguments, variances) { + for (var i = 0; i < variances.length; i++) { + if ((variances[i] & 7 /* VarianceFlags.VarianceMask */) === 1 /* VarianceFlags.Covariant */ && typeArguments[i].flags & 16384 /* TypeFlags.Void */) { + return true; + } + } + return false; + } + function isUnconstrainedTypeParameter(type) { + return type.flags & 262144 /* TypeFlags.TypeParameter */ && !getConstraintOfTypeParameter(type); + } + function isNonDeferredTypeReference(type) { + return !!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) && !type.node; + } + function isTypeReferenceWithGenericArguments(type) { + return isNonDeferredTypeReference(type) && ts.some(getTypeArguments(type), function (t) { return !!(t.flags & 262144 /* TypeFlags.TypeParameter */) || isTypeReferenceWithGenericArguments(t); }); + } + function getGenericTypeReferenceRelationKey(source, target, postFix, ignoreConstraints) { + var typeParameters = []; + var constraintMarker = ""; + var sourceId = getTypeReferenceId(source, 0); + var targetId = getTypeReferenceId(target, 0); + return "".concat(constraintMarker).concat(sourceId, ",").concat(targetId).concat(postFix); + // getTypeReferenceId(A) returns "111=0-12=1" + // where A.id=111 and number.id=12 + function getTypeReferenceId(type, depth) { + if (depth === void 0) { depth = 0; } + var result = "" + type.target.id; + for (var _i = 0, _a = getTypeArguments(type); _i < _a.length; _i++) { + var t = _a[_i]; + if (t.flags & 262144 /* TypeFlags.TypeParameter */) { + if (ignoreConstraints || isUnconstrainedTypeParameter(t)) { + var index = typeParameters.indexOf(t); + if (index < 0) { + index = typeParameters.length; + typeParameters.push(t); + } + result += "=" + index; + continue; + } + // We mark type references that reference constrained type parameters such that we know to obtain + // and look for a "broadest equivalent key" in the cache. + constraintMarker = "*"; + } + else if (depth < 4 && isTypeReferenceWithGenericArguments(t)) { + result += "<" + getTypeReferenceId(t, depth + 1) + ">"; + continue; + } + result += "-" + t.id; + } + return result; + } + } + /** + * To improve caching, the relation key for two generic types uses the target's id plus ids of the type parameters. + * For other cases, the types ids are used. + */ + function getRelationKey(source, target, intersectionState, relation, ignoreConstraints) { + if (relation === identityRelation && source.id > target.id) { + var temp = source; + source = target; + target = temp; + } + var postFix = intersectionState ? ":" + intersectionState : ""; + return isTypeReferenceWithGenericArguments(source) && isTypeReferenceWithGenericArguments(target) ? + getGenericTypeReferenceRelationKey(source, target, postFix, ignoreConstraints) : + "".concat(source.id, ",").concat(target.id).concat(postFix); + } + // Invoke the callback for each underlying property symbol of the given symbol and return the first + // value that isn't undefined. + function forEachProperty(prop, callback) { + if (ts.getCheckFlags(prop) & 6 /* CheckFlags.Synthetic */) { + for (var _i = 0, _a = prop.containingType.types; _i < _a.length; _i++) { + var t = _a[_i]; + var p = getPropertyOfType(t, prop.escapedName); + var result = p && forEachProperty(p, callback); + if (result) { + return result; + } + } + return undefined; + } + return callback(prop); + } + // Return the declaring class type of a property or undefined if property not declared in class + function getDeclaringClass(prop) { + return prop.parent && prop.parent.flags & 32 /* SymbolFlags.Class */ ? getDeclaredTypeOfSymbol(getParentOfSymbol(prop)) : undefined; + } + // Return the inherited type of the given property or undefined if property doesn't exist in a base class. + function getTypeOfPropertyInBaseClass(property) { + var classType = getDeclaringClass(property); + var baseClassType = classType && getBaseTypes(classType)[0]; + return baseClassType && getTypeOfPropertyOfType(baseClassType, property.escapedName); + } + // Return true if some underlying source property is declared in a class that derives + // from the given base class. + function isPropertyInClassDerivedFrom(prop, baseClass) { + return forEachProperty(prop, function (sp) { + var sourceClass = getDeclaringClass(sp); + return sourceClass ? hasBaseType(sourceClass, baseClass) : false; + }); + } + // Return true if source property is a valid override of protected parts of target property. + function isValidOverrideOf(sourceProp, targetProp) { + return !forEachProperty(targetProp, function (tp) { return ts.getDeclarationModifierFlagsFromSymbol(tp) & 16 /* ModifierFlags.Protected */ ? + !isPropertyInClassDerivedFrom(sourceProp, getDeclaringClass(tp)) : false; }); + } + // Return true if the given class derives from each of the declaring classes of the protected + // constituents of the given property. + function isClassDerivedFromDeclaringClasses(checkClass, prop, writing) { + return forEachProperty(prop, function (p) { return ts.getDeclarationModifierFlagsFromSymbol(p, writing) & 16 /* ModifierFlags.Protected */ ? + !hasBaseType(checkClass, getDeclaringClass(p)) : false; }) ? undefined : checkClass; + } + // Return true if the given type is deeply nested. We consider this to be the case when structural type comparisons + // for maxDepth or more occurrences or instantiations of the type have been recorded on the given stack. It is possible, + // though highly unlikely, for this test to be true in a situation where a chain of instantiations is not infinitely + // expanding. Effectively, we will generate a false positive when two types are structurally equal to at least maxDepth + // levels, but unequal at some level beyond that. + // In addition, this will also detect when an indexed access has been chained off of maxDepth more times (which is + // essentially the dual of the structural comparison), and likewise mark the type as deeply nested, potentially adding + // false positives for finite but deeply expanding indexed accesses (eg, for `Q[P1][P2][P3][P4][P5]`). + // It also detects when a recursive type reference has expanded maxDepth or more times, e.g. if the true branch of + // `type A = null extends T ? [A>] : [T]` + // has expanded into `[A>>>>>]`. In such cases we need + // to terminate the expansion, and we do so here. + function isDeeplyNestedType(type, stack, depth, maxDepth) { + if (maxDepth === void 0) { maxDepth = 3; } + if (depth >= maxDepth) { + var identity_2 = getRecursionIdentity(type); + var count = 0; + var lastTypeId = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (getRecursionIdentity(t) === identity_2) { + // We only count occurrences with a higher type id than the previous occurrence, since higher + // type ids are an indicator of newer instantiations caused by recursion. + if (t.id >= lastTypeId) { + count++; + if (count >= maxDepth) { + return true; + } + } + lastTypeId = t.id; + } + } + } + return false; + } + // The recursion identity of a type is an object identity that is shared among multiple instantiations of the type. + // We track recursion identities in order to identify deeply nested and possibly infinite type instantiations with + // the same origin. For example, when type parameters are in scope in an object type such as { x: T }, all + // instantiations of that type have the same recursion identity. The default recursion identity is the object + // identity of the type, meaning that every type is unique. Generally, types with constituents that could circularly + // reference the type have a recursion identity that differs from the object identity. + function getRecursionIdentity(type) { + // Object and array literals are known not to contain recursive references and don't need a recursion identity. + if (type.flags & 524288 /* TypeFlags.Object */ && !isObjectOrArrayLiteralType(type)) { + if (ts.getObjectFlags(type) && 4 /* ObjectFlags.Reference */ && type.node) { + // Deferred type references are tracked through their associated AST node. This gives us finer + // granularity than using their associated target because each manifest type reference has a + // unique AST node. + return type.node; + } + if (type.symbol && !(ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */ && type.symbol.flags & 32 /* SymbolFlags.Class */)) { + // We track all object types that have an associated symbol (representing the origin of the type), but + // exclude the static side of classes from this check since it shares its symbol with the instance side. + return type.symbol; + } + if (isTupleType(type)) { + // Tuple types are tracked through their target type + return type.target; + } + } + if (type.flags & 262144 /* TypeFlags.TypeParameter */) { + return type.symbol; + } + if (type.flags & 8388608 /* TypeFlags.IndexedAccess */) { + // Identity is the leftmost object type in a chain of indexed accesses, eg, in A[P][Q] it is A + do { + type = type.objectType; + } while (type.flags & 8388608 /* TypeFlags.IndexedAccess */); + return type; + } + if (type.flags & 16777216 /* TypeFlags.Conditional */) { + // The root object represents the origin of the conditional type + return type.root; + } + return type; + } + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0 /* Ternary.False */; + } + function compareProperties(sourceProp, targetProp, compareTypes) { + // Two members are considered identical when + // - they are public properties with identical names, optionality, and types, + // - they are private or protected properties originating in the same declaration and having identical types + if (sourceProp === targetProp) { + return -1 /* Ternary.True */; + } + var sourcePropAccessibility = ts.getDeclarationModifierFlagsFromSymbol(sourceProp) & 24 /* ModifierFlags.NonPublicAccessibilityModifier */; + var targetPropAccessibility = ts.getDeclarationModifierFlagsFromSymbol(targetProp) & 24 /* ModifierFlags.NonPublicAccessibilityModifier */; + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0 /* Ternary.False */; + } + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0 /* Ternary.False */; + } + } + else { + if ((sourceProp.flags & 16777216 /* SymbolFlags.Optional */) !== (targetProp.flags & 16777216 /* SymbolFlags.Optional */)) { + return 0 /* Ternary.False */; + } + } + if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) { + return 0 /* Ternary.False */; + } + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + var sourceParameterCount = getParameterCount(source); + var targetParameterCount = getParameterCount(target); + var sourceMinArgumentCount = getMinArgumentCount(source); + var targetMinArgumentCount = getMinArgumentCount(target); + var sourceHasRestParameter = hasEffectiveRestParameter(source); + var targetHasRestParameter = hasEffectiveRestParameter(target); + // A source signature matches a target signature if the two signatures have the same number of required, + // optional, and rest parameters. + if (sourceParameterCount === targetParameterCount && + sourceMinArgumentCount === targetMinArgumentCount && + sourceHasRestParameter === targetHasRestParameter) { + return true; + } + // A source signature partially matches a target signature if the target signature has no fewer required + // parameters + if (partialMatch && sourceMinArgumentCount <= targetMinArgumentCount) { + return true; + } + return false; + } + /** + * See signatureRelatedTo, compareSignaturesIdentical + */ + function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) { + // TODO (drosen): De-duplicate code between related functions. + if (source === target) { + return -1 /* Ternary.True */; + } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0 /* Ternary.False */; + } + // Check that the two signatures have the same number of type parameters. + if (ts.length(source.typeParameters) !== ts.length(target.typeParameters)) { + return 0 /* Ternary.False */; + } + // Check that type parameter constraints and defaults match. If they do, instantiate the source + // signature with the type parameters of the target signature and continue the comparison. + if (target.typeParameters) { + var mapper = createTypeMapper(source.typeParameters, target.typeParameters); + for (var i = 0; i < target.typeParameters.length; i++) { + var s = source.typeParameters[i]; + var t = target.typeParameters[i]; + if (!(s === t || compareTypes(instantiateType(getConstraintFromTypeParameter(s), mapper) || unknownType, getConstraintFromTypeParameter(t) || unknownType) && + compareTypes(instantiateType(getDefaultFromTypeParameter(s), mapper) || unknownType, getDefaultFromTypeParameter(t) || unknownType))) { + return 0 /* Ternary.False */; + } + } + source = instantiateSignature(source, mapper, /*eraseTypeParameters*/ true); + } + var result = -1 /* Ternary.True */; + if (!ignoreThisTypes) { + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + var related = compareTypes(sourceThisType, targetThisType); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + } + } + var targetLen = getParameterCount(target); + for (var i = 0; i < targetLen; i++) { + var s = getTypeAtPosition(source, i); + var t = getTypeAtPosition(target, i); + var related = compareTypes(t, s); + if (!related) { + return 0 /* Ternary.False */; + } + result &= related; + } + if (!ignoreReturnTypes) { + var sourceTypePredicate = getTypePredicateOfSignature(source); + var targetTypePredicate = getTypePredicateOfSignature(target); + result &= sourceTypePredicate || targetTypePredicate ? + compareTypePredicatesIdentical(sourceTypePredicate, targetTypePredicate, compareTypes) : + compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + return result; + } + function compareTypePredicatesIdentical(source, target, compareTypes) { + return !(source && target && typePredicateKindsMatch(source, target)) ? 0 /* Ternary.False */ : + source.type === target.type ? -1 /* Ternary.True */ : + source.type && target.type ? compareTypes(source.type, target.type) : + 0 /* Ternary.False */; + } + function literalTypesWithSameBaseType(types) { + var commonBaseType; + for (var _i = 0, types_13 = types; _i < types_13.length; _i++) { + var t = types_13[_i]; + var baseType = getBaseTypeOfLiteralType(t); + if (!commonBaseType) { + commonBaseType = baseType; + } + if (baseType === t || baseType !== commonBaseType) { + return false; + } + } + return true; + } + // When the candidate types are all literal types with the same base type, return a union + // of those literal types. Otherwise, return the leftmost type for which no type to the + // right is a supertype. + function getSupertypeOrUnion(types) { + if (types.length === 1) { + return types[0]; + } + return literalTypesWithSameBaseType(types) ? + getUnionType(types) : + ts.reduceLeft(types, function (s, t) { return isTypeSubtypeOf(s, t) ? t : s; }); + } + function getCommonSupertype(types) { + if (!strictNullChecks) { + return getSupertypeOrUnion(types); + } + var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 98304 /* TypeFlags.Nullable */); }); + return primaryTypes.length ? + getNullableType(getSupertypeOrUnion(primaryTypes), getFalsyFlagsOfTypes(types) & 98304 /* TypeFlags.Nullable */) : + getUnionType(types, 2 /* UnionReduction.Subtype */); + } + // Return the leftmost type for which no type to the right is a subtype. + function getCommonSubtype(types) { + return ts.reduceLeft(types, function (s, t) { return isTypeSubtypeOf(t, s) ? t : s; }); + } + function isArrayType(type) { + return !!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) && (type.target === globalArrayType || type.target === globalReadonlyArrayType); + } + function isReadonlyArrayType(type) { + return !!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) && type.target === globalReadonlyArrayType; + } + function isArrayOrTupleType(type) { + return isArrayType(type) || isTupleType(type); + } + function isMutableArrayOrTuple(type) { + return isArrayType(type) && !isReadonlyArrayType(type) || isTupleType(type) && !type.target.readonly; + } + function getElementTypeOfArrayType(type) { + return isArrayType(type) ? getTypeArguments(type)[0] : undefined; + } + function isArrayLikeType(type) { + // A type is array-like if it is a reference to the global Array or global ReadonlyArray type, + // or if it is not the undefined or null type and if it is assignable to ReadonlyArray + return isArrayType(type) || !(type.flags & 98304 /* TypeFlags.Nullable */) && isTypeAssignableTo(type, anyReadonlyArrayType); + } + function getSingleBaseForNonAugmentingSubtype(type) { + if (!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) || !(ts.getObjectFlags(type.target) & 3 /* ObjectFlags.ClassOrInterface */)) { + return undefined; + } + if (ts.getObjectFlags(type) & 33554432 /* ObjectFlags.IdenticalBaseTypeCalculated */) { + return ts.getObjectFlags(type) & 67108864 /* ObjectFlags.IdenticalBaseTypeExists */ ? type.cachedEquivalentBaseType : undefined; + } + type.objectFlags |= 33554432 /* ObjectFlags.IdenticalBaseTypeCalculated */; + var target = type.target; + if (ts.getObjectFlags(target) & 1 /* ObjectFlags.Class */) { + var baseTypeNode = getBaseTypeNodeOfClass(target); + // A base type expression may circularly reference the class itself (e.g. as an argument to function call), so we only + // check for base types specified as simple qualified names. + if (baseTypeNode && baseTypeNode.expression.kind !== 79 /* SyntaxKind.Identifier */ && baseTypeNode.expression.kind !== 206 /* SyntaxKind.PropertyAccessExpression */) { + return undefined; + } + } + var bases = getBaseTypes(target); + if (bases.length !== 1) { + return undefined; + } + if (getMembersOfSymbol(type.symbol).size) { + return undefined; // If the interface has any members, they may subtype members in the base, so we should do a full structural comparison + } + var instantiatedBase = !ts.length(target.typeParameters) ? bases[0] : instantiateType(bases[0], createTypeMapper(target.typeParameters, getTypeArguments(type).slice(0, target.typeParameters.length))); + if (ts.length(getTypeArguments(type)) > ts.length(target.typeParameters)) { + instantiatedBase = getTypeWithThisArgument(instantiatedBase, ts.last(getTypeArguments(type))); + } + type.objectFlags |= 67108864 /* ObjectFlags.IdenticalBaseTypeExists */; + return type.cachedEquivalentBaseType = instantiatedBase; + } + function isEmptyLiteralType(type) { + return strictNullChecks ? type === implicitNeverType : type === undefinedWideningType; + } + function isEmptyArrayLiteralType(type) { + var elementType = getElementTypeOfArrayType(type); + return !!elementType && isEmptyLiteralType(elementType); + } + function isTupleLikeType(type) { + return isTupleType(type) || !!getPropertyOfType(type, "0"); + } + function isArrayOrTupleLikeType(type) { + return isArrayLikeType(type) || isTupleLikeType(type); + } + function getTupleElementType(type, index) { + var propType = getTypeOfPropertyOfType(type, "" + index); + if (propType) { + return propType; + } + if (everyType(type, isTupleType)) { + return mapType(type, function (t) { return getRestTypeOfTupleType(t) || undefinedType; }); + } + return undefined; + } + function isNeitherUnitTypeNorNever(type) { + return !(type.flags & (109440 /* TypeFlags.Unit */ | 131072 /* TypeFlags.Never */)); + } + function isUnitType(type) { + return !!(type.flags & 109440 /* TypeFlags.Unit */); + } + function isUnitLikeType(type) { + return type.flags & 2097152 /* TypeFlags.Intersection */ ? ts.some(type.types, isUnitType) : + !!(type.flags & 109440 /* TypeFlags.Unit */); + } + function extractUnitType(type) { + return type.flags & 2097152 /* TypeFlags.Intersection */ ? ts.find(type.types, isUnitType) || type : type; + } + function isLiteralType(type) { + return type.flags & 16 /* TypeFlags.Boolean */ ? true : + type.flags & 1048576 /* TypeFlags.Union */ ? type.flags & 1024 /* TypeFlags.EnumLiteral */ ? true : ts.every(type.types, isUnitType) : + isUnitType(type); + } + function getBaseTypeOfLiteralType(type) { + return type.flags & 1024 /* TypeFlags.EnumLiteral */ ? getBaseTypeOfEnumLiteralType(type) : + type.flags & (128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) ? stringType : + type.flags & 256 /* TypeFlags.NumberLiteral */ ? numberType : + type.flags & 2048 /* TypeFlags.BigIntLiteral */ ? bigintType : + type.flags & 512 /* TypeFlags.BooleanLiteral */ ? booleanType : + type.flags & 1048576 /* TypeFlags.Union */ ? mapType(type, getBaseTypeOfLiteralType) : + type; + } + function getWidenedLiteralType(type) { + return type.flags & 1024 /* TypeFlags.EnumLiteral */ && isFreshLiteralType(type) ? getBaseTypeOfEnumLiteralType(type) : + type.flags & 128 /* TypeFlags.StringLiteral */ && isFreshLiteralType(type) ? stringType : + type.flags & 256 /* TypeFlags.NumberLiteral */ && isFreshLiteralType(type) ? numberType : + type.flags & 2048 /* TypeFlags.BigIntLiteral */ && isFreshLiteralType(type) ? bigintType : + type.flags & 512 /* TypeFlags.BooleanLiteral */ && isFreshLiteralType(type) ? booleanType : + type.flags & 1048576 /* TypeFlags.Union */ ? mapType(type, getWidenedLiteralType) : + type; + } + function getWidenedUniqueESSymbolType(type) { + return type.flags & 8192 /* TypeFlags.UniqueESSymbol */ ? esSymbolType : + type.flags & 1048576 /* TypeFlags.Union */ ? mapType(type, getWidenedUniqueESSymbolType) : + type; + } + function getWidenedLiteralLikeTypeForContextualType(type, contextualType) { + if (!isLiteralOfContextualType(type, contextualType)) { + type = getWidenedUniqueESSymbolType(getWidenedLiteralType(type)); + } + return type; + } + function getWidenedLiteralLikeTypeForContextualReturnTypeIfNeeded(type, contextualSignatureReturnType, isAsync) { + if (type && isUnitType(type)) { + var contextualType = !contextualSignatureReturnType ? undefined : + isAsync ? getPromisedTypeOfPromise(contextualSignatureReturnType) : + contextualSignatureReturnType; + type = getWidenedLiteralLikeTypeForContextualType(type, contextualType); + } + return type; + } + function getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(type, contextualSignatureReturnType, kind, isAsyncGenerator) { + if (type && isUnitType(type)) { + var contextualType = !contextualSignatureReturnType ? undefined : + getIterationTypeOfGeneratorFunctionReturnType(kind, contextualSignatureReturnType, isAsyncGenerator); + type = getWidenedLiteralLikeTypeForContextualType(type, contextualType); + } + return type; + } + /** + * Check if a Type was written as a tuple type literal. + * Prefer using isTupleLikeType() unless the use of `elementTypes`/`getTypeArguments` is required. + */ + function isTupleType(type) { + return !!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ && type.target.objectFlags & 8 /* ObjectFlags.Tuple */); + } + function isGenericTupleType(type) { + return isTupleType(type) && !!(type.target.combinedFlags & 8 /* ElementFlags.Variadic */); + } + function isSingleElementGenericTupleType(type) { + return isGenericTupleType(type) && type.target.elementFlags.length === 1; + } + function getRestTypeOfTupleType(type) { + return getElementTypeOfSliceOfTupleType(type, type.target.fixedLength); + } + function getRestArrayTypeOfTupleType(type) { + var restType = getRestTypeOfTupleType(type); + return restType && createArrayType(restType); + } + function getElementTypeOfSliceOfTupleType(type, index, endSkipCount, writing) { + if (endSkipCount === void 0) { endSkipCount = 0; } + if (writing === void 0) { writing = false; } + var length = getTypeReferenceArity(type) - endSkipCount; + if (index < length) { + var typeArguments = getTypeArguments(type); + var elementTypes = []; + for (var i = index; i < length; i++) { + var t = typeArguments[i]; + elementTypes.push(type.target.elementFlags[i] & 8 /* ElementFlags.Variadic */ ? getIndexedAccessType(t, numberType) : t); + } + return writing ? getIntersectionType(elementTypes) : getUnionType(elementTypes); + } + return undefined; + } + function isTupleTypeStructureMatching(t1, t2) { + return getTypeReferenceArity(t1) === getTypeReferenceArity(t2) && + ts.every(t1.target.elementFlags, function (f, i) { return (f & 12 /* ElementFlags.Variable */) === (t2.target.elementFlags[i] & 12 /* ElementFlags.Variable */); }); + } + function isZeroBigInt(_a) { + var value = _a.value; + return value.base10Value === "0"; + } + function getFalsyFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { + var t = types_14[_i]; + result |= getFalsyFlags(t); + } + return result; + } + // Returns the String, Number, Boolean, StringLiteral, NumberLiteral, BooleanLiteral, Void, Undefined, or Null + // flags for the string, number, boolean, "", 0, false, void, undefined, or null types respectively. Returns + // no flags for all other types (including non-falsy literal types). + function getFalsyFlags(type) { + return type.flags & 1048576 /* TypeFlags.Union */ ? getFalsyFlagsOfTypes(type.types) : + type.flags & 128 /* TypeFlags.StringLiteral */ ? type.value === "" ? 128 /* TypeFlags.StringLiteral */ : 0 : + type.flags & 256 /* TypeFlags.NumberLiteral */ ? type.value === 0 ? 256 /* TypeFlags.NumberLiteral */ : 0 : + type.flags & 2048 /* TypeFlags.BigIntLiteral */ ? isZeroBigInt(type) ? 2048 /* TypeFlags.BigIntLiteral */ : 0 : + type.flags & 512 /* TypeFlags.BooleanLiteral */ ? (type === falseType || type === regularFalseType) ? 512 /* TypeFlags.BooleanLiteral */ : 0 : + type.flags & 117724 /* TypeFlags.PossiblyFalsy */; + } + function removeDefinitelyFalsyTypes(type) { + return getFalsyFlags(type) & 117632 /* TypeFlags.DefinitelyFalsy */ ? + filterType(type, function (t) { return !(getFalsyFlags(t) & 117632 /* TypeFlags.DefinitelyFalsy */); }) : + type; + } + function extractDefinitelyFalsyTypes(type) { + return mapType(type, getDefinitelyFalsyPartOfType); + } + function getDefinitelyFalsyPartOfType(type) { + return type.flags & 4 /* TypeFlags.String */ ? emptyStringType : + type.flags & 8 /* TypeFlags.Number */ ? zeroType : + type.flags & 64 /* TypeFlags.BigInt */ ? zeroBigIntType : + type === regularFalseType || + type === falseType || + type.flags & (16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */ | 65536 /* TypeFlags.Null */ | 3 /* TypeFlags.AnyOrUnknown */) || + type.flags & 128 /* TypeFlags.StringLiteral */ && type.value === "" || + type.flags & 256 /* TypeFlags.NumberLiteral */ && type.value === 0 || + type.flags & 2048 /* TypeFlags.BigIntLiteral */ && isZeroBigInt(type) ? type : + neverType; + } + /** + * Add undefined or null or both to a type if they are missing. + * @param type - type to add undefined and/or null to if not present + * @param flags - Either TypeFlags.Undefined or TypeFlags.Null, or both + */ + function getNullableType(type, flags) { + var missing = (flags & ~type.flags) & (32768 /* TypeFlags.Undefined */ | 65536 /* TypeFlags.Null */); + return missing === 0 ? type : + missing === 32768 /* TypeFlags.Undefined */ ? getUnionType([type, undefinedType]) : + missing === 65536 /* TypeFlags.Null */ ? getUnionType([type, nullType]) : + getUnionType([type, undefinedType, nullType]); + } + function getOptionalType(type, isProperty) { + if (isProperty === void 0) { isProperty = false; } + ts.Debug.assert(strictNullChecks); + return type.flags & 32768 /* TypeFlags.Undefined */ ? type : getUnionType([type, isProperty ? missingType : undefinedType]); + } + function getGlobalNonNullableTypeInstantiation(type) { + // First reduce away any constituents that are assignable to 'undefined' or 'null'. This not only eliminates + // 'undefined' and 'null', but also higher-order types such as a type parameter 'U extends undefined | null' + // that isn't eliminated by a NonNullable instantiation. + var reducedType = getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */); + if (!deferredGlobalNonNullableTypeAlias) { + deferredGlobalNonNullableTypeAlias = getGlobalSymbol("NonNullable", 524288 /* SymbolFlags.TypeAlias */, /*diagnostic*/ undefined) || unknownSymbol; + } + // If the NonNullable type is available, return an instantiation. Otherwise just return the reduced type. + return deferredGlobalNonNullableTypeAlias !== unknownSymbol ? + getTypeAliasInstantiation(deferredGlobalNonNullableTypeAlias, [reducedType]) : + reducedType; + } + function getNonNullableType(type) { + return strictNullChecks ? getGlobalNonNullableTypeInstantiation(type) : type; + } + function addOptionalTypeMarker(type) { + return strictNullChecks ? getUnionType([type, optionalType]) : type; + } + function removeOptionalTypeMarker(type) { + return strictNullChecks ? removeType(type, optionalType) : type; + } + function propagateOptionalTypeMarker(type, node, wasOptional) { + return wasOptional ? ts.isOutermostOptionalChain(node) ? getOptionalType(type) : addOptionalTypeMarker(type) : type; + } + function getOptionalExpressionType(exprType, expression) { + return ts.isExpressionOfOptionalChainRoot(expression) ? getNonNullableType(exprType) : + ts.isOptionalChain(expression) ? removeOptionalTypeMarker(exprType) : + exprType; + } + function removeMissingType(type, isOptional) { + return exactOptionalPropertyTypes && isOptional ? removeType(type, missingType) : type; + } + function containsMissingType(type) { + return exactOptionalPropertyTypes && (type === missingType || type.flags & 1048576 /* TypeFlags.Union */ && containsType(type.types, missingType)); + } + function removeMissingOrUndefinedType(type) { + return exactOptionalPropertyTypes ? removeType(type, missingType) : getTypeWithFacts(type, 524288 /* TypeFacts.NEUndefined */); + } + /** + * Is source potentially coercible to target type under `==`. + * Assumes that `source` is a constituent of a union, hence + * the boolean literal flag on the LHS, but not on the RHS. + * + * This does not fully replicate the semantics of `==`. The + * intention is to catch cases that are clearly not right. + * + * Comparing (string | number) to number should not remove the + * string element. + * + * Comparing (string | number) to 1 will remove the string + * element, though this is not sound. This is a pragmatic + * choice. + * + * @see narrowTypeByEquality + * + * @param source + * @param target + */ + function isCoercibleUnderDoubleEquals(source, target) { + return ((source.flags & (8 /* TypeFlags.Number */ | 4 /* TypeFlags.String */ | 512 /* TypeFlags.BooleanLiteral */)) !== 0) + && ((target.flags & (8 /* TypeFlags.Number */ | 4 /* TypeFlags.String */ | 16 /* TypeFlags.Boolean */)) !== 0); + } + /** + * Return true if type was inferred from an object literal, written as an object type literal, or is the shape of a module + * with no call or construct signatures. + */ + function isObjectTypeWithInferableIndex(type) { + return type.flags & 2097152 /* TypeFlags.Intersection */ + ? ts.every(type.types, isObjectTypeWithInferableIndex) + : !!(type.symbol + && (type.symbol.flags & (4096 /* SymbolFlags.ObjectLiteral */ | 2048 /* SymbolFlags.TypeLiteral */ | 384 /* SymbolFlags.Enum */ | 512 /* SymbolFlags.ValueModule */)) !== 0 + && !(type.symbol.flags & 32 /* SymbolFlags.Class */) + && !typeHasCallOrConstructSignatures(type)) || !!(ts.getObjectFlags(type) & 1024 /* ObjectFlags.ReverseMapped */ && isObjectTypeWithInferableIndex(type.source)); + } + function createSymbolWithType(source, type) { + var symbol = createSymbol(source.flags, source.escapedName, ts.getCheckFlags(source) & 8 /* CheckFlags.Readonly */); + symbol.declarations = source.declarations; + symbol.parent = source.parent; + symbol.type = type; + symbol.target = source; + if (source.valueDeclaration) { + symbol.valueDeclaration = source.valueDeclaration; + } + var nameType = getSymbolLinks(source).nameType; + if (nameType) { + symbol.nameType = nameType; + } + return symbol; + } + function transformTypeOfMembers(type, f) { + var members = ts.createSymbolTable(); + for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { + var property = _a[_i]; + var original = getTypeOfSymbol(property); + var updated = f(original); + members.set(property.escapedName, updated === original ? property : createSymbolWithType(property, updated)); + } + return members; + } + /** + * If the the provided object literal is subject to the excess properties check, + * create a new that is exempt. Recursively mark object literal members as exempt. + * Leave signatures alone since they are not subject to the check. + */ + function getRegularTypeOfObjectLiteral(type) { + if (!(isObjectLiteralType(type) && ts.getObjectFlags(type) & 8192 /* ObjectFlags.FreshLiteral */)) { + return type; + } + var regularType = type.regularType; + if (regularType) { + return regularType; + } + var resolved = type; + var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); + var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.indexInfos); + regularNew.flags = resolved.flags; + regularNew.objectFlags |= resolved.objectFlags & ~8192 /* ObjectFlags.FreshLiteral */; + type.regularType = regularNew; + return regularNew; + } + function createWideningContext(parent, propertyName, siblings) { + return { parent: parent, propertyName: propertyName, siblings: siblings, resolvedProperties: undefined }; + } + function getSiblingsOfContext(context) { + if (!context.siblings) { + var siblings_1 = []; + for (var _i = 0, _a = getSiblingsOfContext(context.parent); _i < _a.length; _i++) { + var type = _a[_i]; + if (isObjectLiteralType(type)) { + var prop = getPropertyOfObjectType(type, context.propertyName); + if (prop) { + forEachType(getTypeOfSymbol(prop), function (t) { + siblings_1.push(t); + }); + } + } + } + context.siblings = siblings_1; + } + return context.siblings; + } + function getPropertiesOfContext(context) { + if (!context.resolvedProperties) { + var names = new ts.Map(); + for (var _i = 0, _a = getSiblingsOfContext(context); _i < _a.length; _i++) { + var t = _a[_i]; + if (isObjectLiteralType(t) && !(ts.getObjectFlags(t) & 2097152 /* ObjectFlags.ContainsSpread */)) { + for (var _b = 0, _c = getPropertiesOfType(t); _b < _c.length; _b++) { + var prop = _c[_b]; + names.set(prop.escapedName, prop); + } + } + } + context.resolvedProperties = ts.arrayFrom(names.values()); + } + return context.resolvedProperties; + } + function getWidenedProperty(prop, context) { + if (!(prop.flags & 4 /* SymbolFlags.Property */)) { + // Since get accessors already widen their return value there is no need to + // widen accessor based properties here. + return prop; + } + var original = getTypeOfSymbol(prop); + var propContext = context && createWideningContext(context, prop.escapedName, /*siblings*/ undefined); + var widened = getWidenedTypeWithContext(original, propContext); + return widened === original ? prop : createSymbolWithType(prop, widened); + } + function getUndefinedProperty(prop) { + var cached = undefinedProperties.get(prop.escapedName); + if (cached) { + return cached; + } + var result = createSymbolWithType(prop, missingType); + result.flags |= 16777216 /* SymbolFlags.Optional */; + undefinedProperties.set(prop.escapedName, result); + return result; + } + function getWidenedTypeOfObjectLiteral(type, context) { + var members = ts.createSymbolTable(); + for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { + var prop = _a[_i]; + members.set(prop.escapedName, getWidenedProperty(prop, context)); + } + if (context) { + for (var _b = 0, _c = getPropertiesOfContext(context); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!members.has(prop.escapedName)) { + members.set(prop.escapedName, getUndefinedProperty(prop)); + } + } + } + var result = createAnonymousType(type.symbol, members, ts.emptyArray, ts.emptyArray, ts.sameMap(getIndexInfosOfType(type), function (info) { return createIndexInfo(info.keyType, getWidenedType(info.type), info.isReadonly); })); + result.objectFlags |= (ts.getObjectFlags(type) & (4096 /* ObjectFlags.JSLiteral */ | 262144 /* ObjectFlags.NonInferrableType */)); // Retain js literal flag through widening + return result; + } + function getWidenedType(type) { + return getWidenedTypeWithContext(type, /*context*/ undefined); + } + function getWidenedTypeWithContext(type, context) { + if (ts.getObjectFlags(type) & 196608 /* ObjectFlags.RequiresWidening */) { + if (context === undefined && type.widened) { + return type.widened; + } + var result = void 0; + if (type.flags & (1 /* TypeFlags.Any */ | 98304 /* TypeFlags.Nullable */)) { + result = anyType; + } + else if (isObjectLiteralType(type)) { + result = getWidenedTypeOfObjectLiteral(type, context); + } + else if (type.flags & 1048576 /* TypeFlags.Union */) { + var unionContext_1 = context || createWideningContext(/*parent*/ undefined, /*propertyName*/ undefined, type.types); + var widenedTypes = ts.sameMap(type.types, function (t) { return t.flags & 98304 /* TypeFlags.Nullable */ ? t : getWidenedTypeWithContext(t, unionContext_1); }); + // Widening an empty object literal transitions from a highly restrictive type to + // a highly inclusive one. For that reason we perform subtype reduction here if the + // union includes empty object types (e.g. reducing {} | string to just {}). + result = getUnionType(widenedTypes, ts.some(widenedTypes, isEmptyObjectType) ? 2 /* UnionReduction.Subtype */ : 1 /* UnionReduction.Literal */); + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + result = getIntersectionType(ts.sameMap(type.types, getWidenedType)); + } + else if (isArrayOrTupleType(type)) { + result = createTypeReference(type.target, ts.sameMap(getTypeArguments(type), getWidenedType)); + } + if (result && context === undefined) { + type.widened = result; + } + return result || type; + } + return type; + } + /** + * Reports implicit any errors that occur as a result of widening 'null' and 'undefined' + * to 'any'. A call to reportWideningErrorsInType is normally accompanied by a call to + * getWidenedType. But in some cases getWidenedType is called without reporting errors + * (type argument inference is an example). + * + * The return value indicates whether an error was in fact reported. The particular circumstances + * are on a best effort basis. Currently, if the null or undefined that causes widening is inside + * an object literal property (arbitrarily deeply), this function reports an error. If no error is + * reported, reportImplicitAnyError is a suitable fallback to report a general error. + */ + function reportWideningErrorsInType(type) { + var errorReported = false; + if (ts.getObjectFlags(type) & 65536 /* ObjectFlags.ContainsWideningType */) { + if (type.flags & 1048576 /* TypeFlags.Union */) { + if (ts.some(type.types, isEmptyObjectType)) { + errorReported = true; + } + else { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + } + if (isArrayOrTupleType(type)) { + for (var _b = 0, _c = getTypeArguments(type); _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (isObjectLiteralType(type)) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (ts.getObjectFlags(t) & 65536 /* ObjectFlags.ContainsWideningType */) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, symbolToString(p), typeToString(getWidenedType(t))); + } + errorReported = true; + } + } + } + } + return errorReported; + } + function reportImplicitAny(declaration, type, wideningKind) { + var typeAsString = typeToString(getWidenedType(type)); + if (ts.isInJSFile(declaration) && !ts.isCheckJsEnabledForFile(ts.getSourceFileOfNode(declaration), compilerOptions)) { + // Only report implicit any errors/suggestions in TS and ts-check JS files + return; + } + var diagnostic; + switch (declaration.kind) { + case 221 /* SyntaxKind.BinaryExpression */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + diagnostic = noImplicitAny ? ts.Diagnostics.Member_0_implicitly_has_an_1_type : ts.Diagnostics.Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage; + break; + case 164 /* SyntaxKind.Parameter */: + var param = declaration; + if (ts.isIdentifier(param.name) && + (ts.isCallSignatureDeclaration(param.parent) || ts.isMethodSignature(param.parent) || ts.isFunctionTypeNode(param.parent)) && + param.parent.parameters.indexOf(param) > -1 && + (resolveName(param, param.name.escapedText, 788968 /* SymbolFlags.Type */, undefined, param.name.escapedText, /*isUse*/ true) || + param.name.originalKeywordKind && ts.isTypeNodeKind(param.name.originalKeywordKind))) { + var newName = "arg" + param.parent.parameters.indexOf(param); + var typeName = ts.declarationNameToString(param.name) + (param.dotDotDotToken ? "[]" : ""); + errorOrSuggestion(noImplicitAny, declaration, ts.Diagnostics.Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1, newName, typeName); + return; + } + diagnostic = declaration.dotDotDotToken ? + noImplicitAny ? ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage : + noImplicitAny ? ts.Diagnostics.Parameter_0_implicitly_has_an_1_type : ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage; + break; + case 203 /* SyntaxKind.BindingElement */: + diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type; + if (!noImplicitAny) { + // Don't issue a suggestion for binding elements since the codefix doesn't yet support them. + return; + } + break; + case 317 /* SyntaxKind.JSDocFunctionType */: + error(declaration, ts.Diagnostics.Function_type_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + case 256 /* SyntaxKind.FunctionDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + if (noImplicitAny && !declaration.name) { + if (wideningKind === 3 /* WideningKind.GeneratorYield */) { + error(declaration, ts.Diagnostics.Generator_implicitly_has_yield_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type_annotation, typeAsString); + } + else { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + } + return; + } + diagnostic = !noImplicitAny ? ts.Diagnostics._0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage : + wideningKind === 3 /* WideningKind.GeneratorYield */ ? ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_yield_type : + ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + case 195 /* SyntaxKind.MappedType */: + if (noImplicitAny) { + error(declaration, ts.Diagnostics.Mapped_object_type_implicitly_has_an_any_template_type); + } + return; + default: + diagnostic = noImplicitAny ? ts.Diagnostics.Variable_0_implicitly_has_an_1_type : ts.Diagnostics.Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage; + } + errorOrSuggestion(noImplicitAny, declaration, diagnostic, ts.declarationNameToString(ts.getNameOfDeclaration(declaration)), typeAsString); + } + function reportErrorsFromWidening(declaration, type, wideningKind) { + addLazyDiagnostic(function () { + if (noImplicitAny && ts.getObjectFlags(type) & 65536 /* ObjectFlags.ContainsWideningType */ && (!wideningKind || !getContextualSignatureForFunctionLikeDeclaration(declaration))) { + // Report implicit any error within type if possible, otherwise report error on declaration + if (!reportWideningErrorsInType(type)) { + reportImplicitAny(declaration, type, wideningKind); + } + } + }); + } + function applyToParameterTypes(source, target, callback) { + var sourceCount = getParameterCount(source); + var targetCount = getParameterCount(target); + var sourceRestType = getEffectiveRestType(source); + var targetRestType = getEffectiveRestType(target); + var targetNonRestCount = targetRestType ? targetCount - 1 : targetCount; + var paramCount = sourceRestType ? targetNonRestCount : Math.min(sourceCount, targetNonRestCount); + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + callback(sourceThisType, targetThisType); + } + } + for (var i = 0; i < paramCount; i++) { + callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i)); + } + if (targetRestType) { + callback(getRestTypeAtPosition(source, paramCount), targetRestType); + } + } + function applyToReturnTypes(source, target, callback) { + var sourceTypePredicate = getTypePredicateOfSignature(source); + var targetTypePredicate = getTypePredicateOfSignature(target); + if (sourceTypePredicate && targetTypePredicate && typePredicateKindsMatch(sourceTypePredicate, targetTypePredicate) && sourceTypePredicate.type && targetTypePredicate.type) { + callback(sourceTypePredicate.type, targetTypePredicate.type); + } + else { + callback(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function createInferenceContext(typeParameters, signature, flags, compareTypes) { + return createInferenceContextWorker(typeParameters.map(createInferenceInfo), signature, flags, compareTypes || compareTypesAssignable); + } + function cloneInferenceContext(context, extraFlags) { + if (extraFlags === void 0) { extraFlags = 0; } + return context && createInferenceContextWorker(ts.map(context.inferences, cloneInferenceInfo), context.signature, context.flags | extraFlags, context.compareTypes); + } + function createInferenceContextWorker(inferences, signature, flags, compareTypes) { + var context = { + inferences: inferences, + signature: signature, + flags: flags, + compareTypes: compareTypes, + mapper: makeFunctionTypeMapper(function (t) { return mapToInferredType(context, t, /*fix*/ true); }), + nonFixingMapper: makeFunctionTypeMapper(function (t) { return mapToInferredType(context, t, /*fix*/ false); }), + }; + return context; + } + function mapToInferredType(context, t, fix) { + var inferences = context.inferences; + for (var i = 0; i < inferences.length; i++) { + var inference = inferences[i]; + if (t === inference.typeParameter) { + if (fix && !inference.isFixed) { + // Before we commit to a particular inference (and thus lock out any further inferences), + // we infer from any intra-expression inference sites we have collected. + inferFromIntraExpressionSites(context); + clearCachedInferences(inferences); + inference.isFixed = true; + } + return getInferredType(context, i); + } + } + return t; + } + function clearCachedInferences(inferences) { + for (var _i = 0, inferences_1 = inferences; _i < inferences_1.length; _i++) { + var inference = inferences_1[_i]; + if (!inference.isFixed) { + inference.inferredType = undefined; + } + } + } + function addIntraExpressionInferenceSite(context, node, type) { + var _a; + ((_a = context.intraExpressionInferenceSites) !== null && _a !== void 0 ? _a : (context.intraExpressionInferenceSites = [])).push({ node: node, type: type }); + } + // We collect intra-expression inference sites within object and array literals to handle cases where + // inferred types flow between context sensitive element expressions. For example: + // + // declare function foo(arg: [(n: number) => T, (x: T) => void]): void; + // foo([_a => 0, n => n.toFixed()]); + // + // Above, both arrow functions in the tuple argument are context sensitive, thus both are omitted from the + // pass that collects inferences from the non-context sensitive parts of the arguments. In the subsequent + // pass where nothing is omitted, we need to commit to an inference for T in order to contextually type the + // parameter in the second arrow function, but we want to first infer from the return type of the first + // arrow function. This happens automatically when the arrow functions are discrete arguments (because we + // infer from each argument before processing the next), but when the arrow functions are elements of an + // object or array literal, we need to perform intra-expression inferences early. + function inferFromIntraExpressionSites(context) { + if (context.intraExpressionInferenceSites) { + for (var _i = 0, _a = context.intraExpressionInferenceSites; _i < _a.length; _i++) { + var _b = _a[_i], node = _b.node, type = _b.type; + var contextualType = node.kind === 169 /* SyntaxKind.MethodDeclaration */ ? + getContextualTypeForObjectLiteralMethod(node, 2 /* ContextFlags.NoConstraints */) : + getContextualType(node, 2 /* ContextFlags.NoConstraints */); + if (contextualType) { + inferTypes(context.inferences, type, contextualType); + } + } + context.intraExpressionInferenceSites = undefined; + } + } + function createInferenceInfo(typeParameter) { + return { + typeParameter: typeParameter, + candidates: undefined, + contraCandidates: undefined, + inferredType: undefined, + priority: undefined, + topLevel: true, + isFixed: false, + impliedArity: undefined + }; + } + function cloneInferenceInfo(inference) { + return { + typeParameter: inference.typeParameter, + candidates: inference.candidates && inference.candidates.slice(), + contraCandidates: inference.contraCandidates && inference.contraCandidates.slice(), + inferredType: inference.inferredType, + priority: inference.priority, + topLevel: inference.topLevel, + isFixed: inference.isFixed, + impliedArity: inference.impliedArity + }; + } + function cloneInferredPartOfContext(context) { + var inferences = ts.filter(context.inferences, hasInferenceCandidates); + return inferences.length ? + createInferenceContextWorker(ts.map(inferences, cloneInferenceInfo), context.signature, context.flags, context.compareTypes) : + undefined; + } + function getMapperFromContext(context) { + return context && context.mapper; + } + // Return true if the given type could possibly reference a type parameter for which + // we perform type inference (i.e. a type parameter of a generic function). We cache + // results for union and intersection types for performance reasons. + function couldContainTypeVariables(type) { + var objectFlags = ts.getObjectFlags(type); + if (objectFlags & 524288 /* ObjectFlags.CouldContainTypeVariablesComputed */) { + return !!(objectFlags & 1048576 /* ObjectFlags.CouldContainTypeVariables */); + } + var result = !!(type.flags & 465829888 /* TypeFlags.Instantiable */ || + type.flags & 524288 /* TypeFlags.Object */ && !isNonGenericTopLevelType(type) && (objectFlags & 4 /* ObjectFlags.Reference */ && (type.node || ts.forEach(getTypeArguments(type), couldContainTypeVariables)) || + objectFlags & 16 /* ObjectFlags.Anonymous */ && type.symbol && type.symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */ | 32 /* SymbolFlags.Class */ | 2048 /* SymbolFlags.TypeLiteral */ | 4096 /* SymbolFlags.ObjectLiteral */) && type.symbol.declarations || + objectFlags & (32 /* ObjectFlags.Mapped */ | 1024 /* ObjectFlags.ReverseMapped */ | 4194304 /* ObjectFlags.ObjectRestType */ | 8388608 /* ObjectFlags.InstantiationExpressionType */)) || + type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ && !(type.flags & 1024 /* TypeFlags.EnumLiteral */) && !isNonGenericTopLevelType(type) && ts.some(type.types, couldContainTypeVariables)); + if (type.flags & 3899393 /* TypeFlags.ObjectFlagsType */) { + type.objectFlags |= 524288 /* ObjectFlags.CouldContainTypeVariablesComputed */ | (result ? 1048576 /* ObjectFlags.CouldContainTypeVariables */ : 0); + } + return result; + } + function isNonGenericTopLevelType(type) { + if (type.aliasSymbol && !type.aliasTypeArguments) { + var declaration = ts.getDeclarationOfKind(type.aliasSymbol, 259 /* SyntaxKind.TypeAliasDeclaration */); + return !!(declaration && ts.findAncestor(declaration.parent, function (n) { return n.kind === 305 /* SyntaxKind.SourceFile */ ? true : n.kind === 261 /* SyntaxKind.ModuleDeclaration */ ? false : "quit"; })); + } + return false; + } + function isTypeParameterAtTopLevel(type, typeParameter) { + return !!(type === typeParameter || + type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ && ts.some(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }) || + type.flags & 16777216 /* TypeFlags.Conditional */ && (getTrueTypeFromConditionalType(type) === typeParameter || getFalseTypeFromConditionalType(type) === typeParameter)); + } + /** Create an object with properties named in the string literal type. Every property has type `any` */ + function createEmptyObjectTypeFromStringLiteral(type) { + var members = ts.createSymbolTable(); + forEachType(type, function (t) { + if (!(t.flags & 128 /* TypeFlags.StringLiteral */)) { + return; + } + var name = ts.escapeLeadingUnderscores(t.value); + var literalProp = createSymbol(4 /* SymbolFlags.Property */, name); + literalProp.type = anyType; + if (t.symbol) { + literalProp.declarations = t.symbol.declarations; + literalProp.valueDeclaration = t.symbol.valueDeclaration; + } + members.set(name, literalProp); + }); + var indexInfos = type.flags & 4 /* TypeFlags.String */ ? [createIndexInfo(stringType, emptyObjectType, /*isReadonly*/ false)] : ts.emptyArray; + return createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, indexInfos); + } + /** + * Infer a suitable input type for a homomorphic mapped type { [P in keyof T]: X }. We construct + * an object type with the same set of properties as the source type, where the type of each + * property is computed by inferring from the source property type to X for the type + * variable T[P] (i.e. we treat the type T[P] as the type variable we're inferring for). + */ + function inferTypeForHomomorphicMappedType(source, target, constraint) { + if (inInferTypeForHomomorphicMappedType) { + return undefined; + } + var key = source.id + "," + target.id + "," + constraint.id; + if (reverseMappedCache.has(key)) { + return reverseMappedCache.get(key); + } + inInferTypeForHomomorphicMappedType = true; + var type = createReverseMappedType(source, target, constraint); + inInferTypeForHomomorphicMappedType = false; + reverseMappedCache.set(key, type); + return type; + } + // We consider a type to be partially inferable if it isn't marked non-inferable or if it is + // an object literal type with at least one property of an inferable type. For example, an object + // literal { a: 123, b: x => true } is marked non-inferable because it contains a context sensitive + // arrow function, but is considered partially inferable because property 'a' has an inferable type. + function isPartiallyInferableType(type) { + return !(ts.getObjectFlags(type) & 262144 /* ObjectFlags.NonInferrableType */) || + isObjectLiteralType(type) && ts.some(getPropertiesOfType(type), function (prop) { return isPartiallyInferableType(getTypeOfSymbol(prop)); }) || + isTupleType(type) && ts.some(getTypeArguments(type), isPartiallyInferableType); + } + function createReverseMappedType(source, target, constraint) { + // We consider a source type reverse mappable if it has a string index signature or if + // it has one or more properties and is of a partially inferable type. + if (!(getIndexInfoOfType(source, stringType) || getPropertiesOfType(source).length !== 0 && isPartiallyInferableType(source))) { + return undefined; + } + // For arrays and tuples we infer new arrays and tuples where the reverse mapping has been + // applied to the element type(s). + if (isArrayType(source)) { + return createArrayType(inferReverseMappedType(getTypeArguments(source)[0], target, constraint), isReadonlyArrayType(source)); + } + if (isTupleType(source)) { + var elementTypes = ts.map(getTypeArguments(source), function (t) { return inferReverseMappedType(t, target, constraint); }); + var elementFlags = getMappedTypeModifiers(target) & 4 /* MappedTypeModifiers.IncludeOptional */ ? + ts.sameMap(source.target.elementFlags, function (f) { return f & 2 /* ElementFlags.Optional */ ? 1 /* ElementFlags.Required */ : f; }) : + source.target.elementFlags; + return createTupleType(elementTypes, elementFlags, source.target.readonly, source.target.labeledElementDeclarations); + } + // For all other object types we infer a new object type where the reverse mapping has been + // applied to the type of each property. + var reversed = createObjectType(1024 /* ObjectFlags.ReverseMapped */ | 16 /* ObjectFlags.Anonymous */, /*symbol*/ undefined); + reversed.source = source; + reversed.mappedType = target; + reversed.constraintType = constraint; + return reversed; + } + function getTypeOfReverseMappedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = inferReverseMappedType(symbol.propertyType, symbol.mappedType, symbol.constraintType); + } + return links.type; + } + function inferReverseMappedType(sourceType, target, constraint) { + var typeParameter = getIndexedAccessType(constraint.type, getTypeParameterFromMappedType(target)); + var templateType = getTemplateTypeFromMappedType(target); + var inference = createInferenceInfo(typeParameter); + inferTypes([inference], sourceType, templateType); + return getTypeFromInference(inference) || unknownType; + } + function getUnmatchedProperties(source, target, requireOptionalProperties, matchDiscriminantProperties) { + var properties, _i, properties_2, targetProp, sourceProp, targetType, sourceType; + return __generator(this, function (_a) { + switch (_a.label) { + case 0: + properties = getPropertiesOfType(target); + _i = 0, properties_2 = properties; + _a.label = 1; + case 1: + if (!(_i < properties_2.length)) return [3 /*break*/, 6]; + targetProp = properties_2[_i]; + // TODO: remove this when we support static private identifier fields and find other solutions to get privateNamesAndStaticFields test to pass + if (isStaticPrivateIdentifierProperty(targetProp)) { + return [3 /*break*/, 5]; + } + if (!(requireOptionalProperties || !(targetProp.flags & 16777216 /* SymbolFlags.Optional */ || ts.getCheckFlags(targetProp) & 48 /* CheckFlags.Partial */))) return [3 /*break*/, 5]; + sourceProp = getPropertyOfType(source, targetProp.escapedName); + if (!!sourceProp) return [3 /*break*/, 3]; + return [4 /*yield*/, targetProp]; + case 2: + _a.sent(); + return [3 /*break*/, 5]; + case 3: + if (!matchDiscriminantProperties) return [3 /*break*/, 5]; + targetType = getTypeOfSymbol(targetProp); + if (!(targetType.flags & 109440 /* TypeFlags.Unit */)) return [3 /*break*/, 5]; + sourceType = getTypeOfSymbol(sourceProp); + if (!!(sourceType.flags & 1 /* TypeFlags.Any */ || getRegularTypeOfLiteralType(sourceType) === getRegularTypeOfLiteralType(targetType))) return [3 /*break*/, 5]; + return [4 /*yield*/, targetProp]; + case 4: + _a.sent(); + _a.label = 5; + case 5: + _i++; + return [3 /*break*/, 1]; + case 6: return [2 /*return*/]; + } + }); + } + function getUnmatchedProperty(source, target, requireOptionalProperties, matchDiscriminantProperties) { + var result = getUnmatchedProperties(source, target, requireOptionalProperties, matchDiscriminantProperties).next(); + if (!result.done) + return result.value; + } + function tupleTypesDefinitelyUnrelated(source, target) { + return !(target.target.combinedFlags & 8 /* ElementFlags.Variadic */) && target.target.minLength > source.target.minLength || + !target.target.hasRestElement && (source.target.hasRestElement || target.target.fixedLength < source.target.fixedLength); + } + function typesDefinitelyUnrelated(source, target) { + // Two tuple types with incompatible arities are definitely unrelated. + // Two object types that each have a property that is unmatched in the other are definitely unrelated. + return isTupleType(source) && isTupleType(target) ? tupleTypesDefinitelyUnrelated(source, target) : + !!getUnmatchedProperty(source, target, /*requireOptionalProperties*/ false, /*matchDiscriminantProperties*/ true) && + !!getUnmatchedProperty(target, source, /*requireOptionalProperties*/ false, /*matchDiscriminantProperties*/ false); + } + function getTypeFromInference(inference) { + return inference.candidates ? getUnionType(inference.candidates, 2 /* UnionReduction.Subtype */) : + inference.contraCandidates ? getIntersectionType(inference.contraCandidates) : + undefined; + } + function hasSkipDirectInferenceFlag(node) { + return !!getNodeLinks(node).skipDirectInference; + } + function isFromInferenceBlockedSource(type) { + return !!(type.symbol && ts.some(type.symbol.declarations, hasSkipDirectInferenceFlag)); + } + function templateLiteralTypesDefinitelyUnrelated(source, target) { + // Two template literal types with diffences in their starting or ending text spans are definitely unrelated. + var sourceStart = source.texts[0]; + var targetStart = target.texts[0]; + var sourceEnd = source.texts[source.texts.length - 1]; + var targetEnd = target.texts[target.texts.length - 1]; + var startLen = Math.min(sourceStart.length, targetStart.length); + var endLen = Math.min(sourceEnd.length, targetEnd.length); + return sourceStart.slice(0, startLen) !== targetStart.slice(0, startLen) || + sourceEnd.slice(sourceEnd.length - endLen) !== targetEnd.slice(targetEnd.length - endLen); + } + function isValidBigIntString(s) { + var scanner = ts.createScanner(99 /* ScriptTarget.ESNext */, /*skipTrivia*/ false); + var success = true; + scanner.setOnError(function () { return success = false; }); + scanner.setText(s + "n"); + var result = scanner.scan(); + if (result === 40 /* SyntaxKind.MinusToken */) { + result = scanner.scan(); + } + var flags = scanner.getTokenFlags(); + // validate that + // * scanning proceeded without error + // * a bigint can be scanned, and that when it is scanned, it is + // * the full length of the input string (so the scanner is one character beyond the augmented input length) + // * it does not contain a numeric seperator (the `BigInt` constructor does not accept a numeric seperator in its input) + return success && result === 9 /* SyntaxKind.BigIntLiteral */ && scanner.getTextPos() === (s.length + 1) && !(flags & 512 /* TokenFlags.ContainsSeparator */); + } + function isValidTypeForTemplateLiteralPlaceholder(source, target) { + if (source === target || target.flags & (1 /* TypeFlags.Any */ | 4 /* TypeFlags.String */)) { + return true; + } + if (source.flags & 128 /* TypeFlags.StringLiteral */) { + var value = source.value; + return !!(target.flags & 8 /* TypeFlags.Number */ && value !== "" && isFinite(+value) || + target.flags & 64 /* TypeFlags.BigInt */ && value !== "" && isValidBigIntString(value) || + target.flags & (512 /* TypeFlags.BooleanLiteral */ | 98304 /* TypeFlags.Nullable */) && value === target.intrinsicName); + } + if (source.flags & 134217728 /* TypeFlags.TemplateLiteral */) { + var texts = source.texts; + return texts.length === 2 && texts[0] === "" && texts[1] === "" && isTypeAssignableTo(source.types[0], target); + } + return isTypeAssignableTo(source, target); + } + function inferTypesFromTemplateLiteralType(source, target) { + return source.flags & 128 /* TypeFlags.StringLiteral */ ? inferFromLiteralPartsToTemplateLiteral([source.value], ts.emptyArray, target) : + source.flags & 134217728 /* TypeFlags.TemplateLiteral */ ? + ts.arraysEqual(source.texts, target.texts) ? ts.map(source.types, getStringLikeTypeForType) : + inferFromLiteralPartsToTemplateLiteral(source.texts, source.types, target) : + undefined; + } + function isTypeMatchedByTemplateLiteralType(source, target) { + var inferences = inferTypesFromTemplateLiteralType(source, target); + return !!inferences && ts.every(inferences, function (r, i) { return isValidTypeForTemplateLiteralPlaceholder(r, target.types[i]); }); + } + function getStringLikeTypeForType(type) { + return type.flags & (1 /* TypeFlags.Any */ | 402653316 /* TypeFlags.StringLike */) ? type : getTemplateLiteralType(["", ""], [type]); + } + // This function infers from the text parts and type parts of a source literal to a target template literal. The number + // of text parts is always one more than the number of type parts, and a source string literal is treated as a source + // with one text part and zero type parts. The function returns an array of inferred string or template literal types + // corresponding to the placeholders in the target template literal, or undefined if the source doesn't match the target. + // + // We first check that the starting source text part matches the starting target text part, and that the ending source + // text part ends matches the ending target text part. We then iterate through the remaining target text parts, finding + // a match for each in the source and inferring string or template literal types created from the segments of the source + // that occur between the matches. During this iteration, seg holds the index of the current text part in the sourceTexts + // array and pos holds the current character position in the current text part. + // + // Consider inference from type `<<${string}>.<${number}-${number}>>` to type `<${string}.${string}>`, i.e. + // sourceTexts = ['<<', '>.<', '-', '>>'] + // sourceTypes = [string, number, number] + // target.texts = ['<', '.', '>'] + // We first match '<' in the target to the start of '<<' in the source and '>' in the target to the end of '>>' in + // the source. The first match for the '.' in target occurs at character 1 in the source text part at index 1, and thus + // the first inference is the template literal type `<${string}>`. The remainder of the source makes up the second + // inference, the template literal type `<${number}-${number}>`. + function inferFromLiteralPartsToTemplateLiteral(sourceTexts, sourceTypes, target) { + var lastSourceIndex = sourceTexts.length - 1; + var sourceStartText = sourceTexts[0]; + var sourceEndText = sourceTexts[lastSourceIndex]; + var targetTexts = target.texts; + var lastTargetIndex = targetTexts.length - 1; + var targetStartText = targetTexts[0]; + var targetEndText = targetTexts[lastTargetIndex]; + if (lastSourceIndex === 0 && sourceStartText.length < targetStartText.length + targetEndText.length || + !sourceStartText.startsWith(targetStartText) || !sourceEndText.endsWith(targetEndText)) + return undefined; + var remainingEndText = sourceEndText.slice(0, sourceEndText.length - targetEndText.length); + var matches = []; + var seg = 0; + var pos = targetStartText.length; + for (var i = 1; i < lastTargetIndex; i++) { + var delim = targetTexts[i]; + if (delim.length > 0) { + var s = seg; + var p = pos; + while (true) { + p = getSourceText(s).indexOf(delim, p); + if (p >= 0) + break; + s++; + if (s === sourceTexts.length) + return undefined; + p = 0; + } + addMatch(s, p); + pos += delim.length; + } + else if (pos < getSourceText(seg).length) { + addMatch(seg, pos + 1); + } + else if (seg < lastSourceIndex) { + addMatch(seg + 1, 0); + } + else { + return undefined; + } + } + addMatch(lastSourceIndex, getSourceText(lastSourceIndex).length); + return matches; + function getSourceText(index) { + return index < lastSourceIndex ? sourceTexts[index] : remainingEndText; + } + function addMatch(s, p) { + var matchType = s === seg ? + getStringLiteralType(getSourceText(s).slice(pos, p)) : + getTemplateLiteralType(__spreadArray(__spreadArray([sourceTexts[seg].slice(pos)], sourceTexts.slice(seg + 1, s), true), [getSourceText(s).slice(0, p)], false), sourceTypes.slice(seg, s)); + matches.push(matchType); + seg = s; + pos = p; + } + } + function inferTypes(inferences, originalSource, originalTarget, priority, contravariant) { + if (priority === void 0) { priority = 0; } + if (contravariant === void 0) { contravariant = false; } + var bivariant = false; + var propagationType; + var inferencePriority = 2048 /* InferencePriority.MaxValue */; + var allowComplexConstraintInference = true; + var visited; + var sourceStack; + var targetStack; + var expandingFlags = 0 /* ExpandingFlags.None */; + inferFromTypes(originalSource, originalTarget); + function inferFromTypes(source, target) { + if (!couldContainTypeVariables(target)) { + return; + } + if (source === wildcardType) { + // We are inferring from an 'any' type. We want to infer this type for every type parameter + // referenced in the target type, so we record it as the propagation type and infer from the + // target to itself. Then, as we find candidates we substitute the propagation type. + var savePropagationType = propagationType; + propagationType = source; + inferFromTypes(target, target); + propagationType = savePropagationType; + return; + } + if (source.aliasSymbol && source.aliasTypeArguments && source.aliasSymbol === target.aliasSymbol) { + // Source and target are types originating in the same generic type alias declaration. + // Simply infer from source type arguments to target type arguments. + inferFromTypeArguments(source.aliasTypeArguments, target.aliasTypeArguments, getAliasVariances(source.aliasSymbol)); + return; + } + if (source === target && source.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + // When source and target are the same union or intersection type, just relate each constituent + // type to itself. + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + inferFromTypes(t, t); + } + return; + } + if (target.flags & 1048576 /* TypeFlags.Union */) { + // First, infer between identically matching source and target constituents and remove the + // matching types. + var _b = inferFromMatchingTypes(source.flags & 1048576 /* TypeFlags.Union */ ? source.types : [source], target.types, isTypeOrBaseIdenticalTo), tempSources = _b[0], tempTargets = _b[1]; + // Next, infer between closely matching source and target constituents and remove + // the matching types. Types closely match when they are instantiations of the same + // object type or instantiations of the same type alias. + var _c = inferFromMatchingTypes(tempSources, tempTargets, isTypeCloselyMatchedBy), sources = _c[0], targets = _c[1]; + if (targets.length === 0) { + return; + } + target = getUnionType(targets); + if (sources.length === 0) { + // All source constituents have been matched and there is nothing further to infer from. + // However, simply making no inferences is undesirable because it could ultimately mean + // inferring a type parameter constraint. Instead, make a lower priority inference from + // the full source to whatever remains in the target. For example, when inferring from + // string to 'string | T', make a lower priority inference of string for T. + inferWithPriority(source, target, 1 /* InferencePriority.NakedTypeVariable */); + return; + } + source = getUnionType(sources); + } + else if (target.flags & 2097152 /* TypeFlags.Intersection */ && ts.some(target.types, function (t) { return !!getInferenceInfoForType(t) || (isGenericMappedType(t) && !!getInferenceInfoForType(getHomomorphicTypeVariable(t) || neverType)); })) { + // We reduce intersection types only when they contain naked type parameters. For example, when + // inferring from 'string[] & { extra: any }' to 'string[] & T' we want to remove string[] and + // infer { extra: any } for T. But when inferring to 'string[] & Iterable' we want to keep the + // string[] on the source side and infer string for T. + // Likewise, we consider a homomorphic mapped type constrainted to the target type parameter as similar to a "naked type variable" + // in such scenarios. + if (!(source.flags & 1048576 /* TypeFlags.Union */)) { + // Infer between identically matching source and target constituents and remove the matching types. + var _d = inferFromMatchingTypes(source.flags & 2097152 /* TypeFlags.Intersection */ ? source.types : [source], target.types, isTypeIdenticalTo), sources = _d[0], targets = _d[1]; + if (sources.length === 0 || targets.length === 0) { + return; + } + source = getIntersectionType(sources); + target = getIntersectionType(targets); + } + } + else if (target.flags & (8388608 /* TypeFlags.IndexedAccess */ | 33554432 /* TypeFlags.Substitution */)) { + target = getActualTypeVariable(target); + } + if (target.flags & 8650752 /* TypeFlags.TypeVariable */) { + // If target is a type parameter, make an inference, unless the source type contains + // the anyFunctionType (the wildcard type that's used to avoid contextually typing functions). + // Because the anyFunctionType is internal, it should not be exposed to the user by adding + // it as an inference candidate. Hopefully, a better candidate will come along that does + // not contain anyFunctionType when we come back to this argument for its second round + // of inference. Also, we exclude inferences for silentNeverType (which is used as a wildcard + // when constructing types from type parameters that had no inference candidates). + if (source === nonInferrableAnyType || source === silentNeverType || (priority & 128 /* InferencePriority.ReturnType */ && (source === autoType || source === autoArrayType)) || isFromInferenceBlockedSource(source)) { + return; + } + var inference = getInferenceInfoForType(target); + if (inference) { + if (ts.getObjectFlags(source) & 262144 /* ObjectFlags.NonInferrableType */) { + return; + } + if (!inference.isFixed) { + if (inference.priority === undefined || priority < inference.priority) { + inference.candidates = undefined; + inference.contraCandidates = undefined; + inference.topLevel = true; + inference.priority = priority; + } + if (priority === inference.priority) { + var candidate = propagationType || source; + // We make contravariant inferences only if we are in a pure contravariant position, + // i.e. only if we have not descended into a bivariant position. + if (contravariant && !bivariant) { + if (!ts.contains(inference.contraCandidates, candidate)) { + inference.contraCandidates = ts.append(inference.contraCandidates, candidate); + clearCachedInferences(inferences); + } + } + else if (!ts.contains(inference.candidates, candidate)) { + inference.candidates = ts.append(inference.candidates, candidate); + clearCachedInferences(inferences); + } + } + if (!(priority & 128 /* InferencePriority.ReturnType */) && target.flags & 262144 /* TypeFlags.TypeParameter */ && inference.topLevel && !isTypeParameterAtTopLevel(originalTarget, target)) { + inference.topLevel = false; + clearCachedInferences(inferences); + } + } + inferencePriority = Math.min(inferencePriority, priority); + return; + } + // Infer to the simplified version of an indexed access, if possible, to (hopefully) expose more bare type parameters to the inference engine + var simplified = getSimplifiedType(target, /*writing*/ false); + if (simplified !== target) { + inferFromTypes(source, simplified); + } + else if (target.flags & 8388608 /* TypeFlags.IndexedAccess */) { + var indexType = getSimplifiedType(target.indexType, /*writing*/ false); + // Generally simplifications of instantiable indexes are avoided to keep relationship checking correct, however if our target is an access, we can consider + // that key of that access to be "instantiated", since we're looking to find the infernce goal in any way we can. + if (indexType.flags & 465829888 /* TypeFlags.Instantiable */) { + var simplified_1 = distributeIndexOverObjectType(getSimplifiedType(target.objectType, /*writing*/ false), indexType, /*writing*/ false); + if (simplified_1 && simplified_1 !== target) { + inferFromTypes(source, simplified_1); + } + } + } + } + if (ts.getObjectFlags(source) & 4 /* ObjectFlags.Reference */ && ts.getObjectFlags(target) & 4 /* ObjectFlags.Reference */ && (source.target === target.target || isArrayType(source) && isArrayType(target)) && + !(source.node && target.node)) { + // If source and target are references to the same generic type, infer from type arguments + inferFromTypeArguments(getTypeArguments(source), getTypeArguments(target), getVariances(source.target)); + } + else if (source.flags & 4194304 /* TypeFlags.Index */ && target.flags & 4194304 /* TypeFlags.Index */) { + contravariant = !contravariant; + inferFromTypes(source.type, target.type); + contravariant = !contravariant; + } + else if ((isLiteralType(source) || source.flags & 4 /* TypeFlags.String */) && target.flags & 4194304 /* TypeFlags.Index */) { + var empty = createEmptyObjectTypeFromStringLiteral(source); + contravariant = !contravariant; + inferWithPriority(empty, target.type, 256 /* InferencePriority.LiteralKeyof */); + contravariant = !contravariant; + } + else if (source.flags & 8388608 /* TypeFlags.IndexedAccess */ && target.flags & 8388608 /* TypeFlags.IndexedAccess */) { + inferFromTypes(source.objectType, target.objectType); + inferFromTypes(source.indexType, target.indexType); + } + else if (source.flags & 268435456 /* TypeFlags.StringMapping */ && target.flags & 268435456 /* TypeFlags.StringMapping */) { + if (source.symbol === target.symbol) { + inferFromTypes(source.type, target.type); + } + } + else if (source.flags & 33554432 /* TypeFlags.Substitution */) { + inferFromTypes(source.baseType, target); + var oldPriority = priority; + priority |= 4 /* InferencePriority.SubstituteSource */; + inferFromTypes(source.substitute, target); // Make substitute inference at a lower priority + priority = oldPriority; + } + else if (target.flags & 16777216 /* TypeFlags.Conditional */) { + invokeOnce(source, target, inferToConditionalType); + } + else if (target.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + inferToMultipleTypes(source, target.types, target.flags); + } + else if (source.flags & 1048576 /* TypeFlags.Union */) { + // Source is a union or intersection type, infer from each constituent type + var sourceTypes = source.types; + for (var _e = 0, sourceTypes_2 = sourceTypes; _e < sourceTypes_2.length; _e++) { + var sourceType = sourceTypes_2[_e]; + inferFromTypes(sourceType, target); + } + } + else if (target.flags & 134217728 /* TypeFlags.TemplateLiteral */) { + inferToTemplateLiteralType(source, target); + } + else { + source = getReducedType(source); + if (!(priority & 512 /* InferencePriority.NoConstraints */ && source.flags & (2097152 /* TypeFlags.Intersection */ | 465829888 /* TypeFlags.Instantiable */))) { + var apparentSource = getApparentType(source); + // getApparentType can return _any_ type, since an indexed access or conditional may simplify to any other type. + // If that occurs and it doesn't simplify to an object or intersection, we'll need to restart `inferFromTypes` + // with the simplified source. + if (apparentSource !== source && allowComplexConstraintInference && !(apparentSource.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */))) { + // TODO: The `allowComplexConstraintInference` flag is a hack! This forbids inference from complex constraints within constraints! + // This isn't required algorithmically, but rather is used to lower the memory burden caused by performing inference + // that is _too good_ in projects with complicated constraints (eg, fp-ts). In such cases, if we did not limit ourselves + // here, we might produce more valid inferences for types, causing us to do more checks and perform more instantiations + // (in addition to the extra stack depth here) which, in turn, can push the already close process over its limit. + // TL;DR: If we ever become generally more memory efficient (or our resource budget ever increases), we should just + // remove this `allowComplexConstraintInference` flag. + allowComplexConstraintInference = false; + return inferFromTypes(apparentSource, target); + } + source = apparentSource; + } + if (source.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */)) { + invokeOnce(source, target, inferFromObjectTypes); + } + } + } + function inferWithPriority(source, target, newPriority) { + var savePriority = priority; + priority |= newPriority; + inferFromTypes(source, target); + priority = savePriority; + } + function invokeOnce(source, target, action) { + var key = source.id + "," + target.id; + var status = visited && visited.get(key); + if (status !== undefined) { + inferencePriority = Math.min(inferencePriority, status); + return; + } + (visited || (visited = new ts.Map())).set(key, -1 /* InferencePriority.Circularity */); + var saveInferencePriority = inferencePriority; + inferencePriority = 2048 /* InferencePriority.MaxValue */; + // We stop inferring and report a circularity if we encounter duplicate recursion identities on both + // the source side and the target side. + var saveExpandingFlags = expandingFlags; + var sourceIdentity = getRecursionIdentity(source); + var targetIdentity = getRecursionIdentity(target); + if (ts.contains(sourceStack, sourceIdentity)) + expandingFlags |= 1 /* ExpandingFlags.Source */; + if (ts.contains(targetStack, targetIdentity)) + expandingFlags |= 2 /* ExpandingFlags.Target */; + if (expandingFlags !== 3 /* ExpandingFlags.Both */) { + (sourceStack || (sourceStack = [])).push(sourceIdentity); + (targetStack || (targetStack = [])).push(targetIdentity); + action(source, target); + targetStack.pop(); + sourceStack.pop(); + } + else { + inferencePriority = -1 /* InferencePriority.Circularity */; + } + expandingFlags = saveExpandingFlags; + visited.set(key, inferencePriority); + inferencePriority = Math.min(inferencePriority, saveInferencePriority); + } + function inferFromMatchingTypes(sources, targets, matches) { + var matchedSources; + var matchedTargets; + for (var _i = 0, targets_1 = targets; _i < targets_1.length; _i++) { + var t = targets_1[_i]; + for (var _a = 0, sources_1 = sources; _a < sources_1.length; _a++) { + var s = sources_1[_a]; + if (matches(s, t)) { + inferFromTypes(s, t); + matchedSources = ts.appendIfUnique(matchedSources, s); + matchedTargets = ts.appendIfUnique(matchedTargets, t); + } + } + } + return [ + matchedSources ? ts.filter(sources, function (t) { return !ts.contains(matchedSources, t); }) : sources, + matchedTargets ? ts.filter(targets, function (t) { return !ts.contains(matchedTargets, t); }) : targets, + ]; + } + function inferFromTypeArguments(sourceTypes, targetTypes, variances) { + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + if (i < variances.length && (variances[i] & 7 /* VarianceFlags.VarianceMask */) === 2 /* VarianceFlags.Contravariant */) { + inferFromContravariantTypes(sourceTypes[i], targetTypes[i]); + } + else { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + } + function inferFromContravariantTypes(source, target) { + if (strictFunctionTypes || priority & 1024 /* InferencePriority.AlwaysStrict */) { + contravariant = !contravariant; + inferFromTypes(source, target); + contravariant = !contravariant; + } + else { + inferFromTypes(source, target); + } + } + function getInferenceInfoForType(type) { + if (type.flags & 8650752 /* TypeFlags.TypeVariable */) { + for (var _i = 0, inferences_2 = inferences; _i < inferences_2.length; _i++) { + var inference = inferences_2[_i]; + if (type === inference.typeParameter) { + return inference; + } + } + } + return undefined; + } + function getSingleTypeVariableFromIntersectionTypes(types) { + var typeVariable; + for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { + var type = types_15[_i]; + var t = type.flags & 2097152 /* TypeFlags.Intersection */ && ts.find(type.types, function (t) { return !!getInferenceInfoForType(t); }); + if (!t || typeVariable && t !== typeVariable) { + return undefined; + } + typeVariable = t; + } + return typeVariable; + } + function inferToMultipleTypes(source, targets, targetFlags) { + var typeVariableCount = 0; + if (targetFlags & 1048576 /* TypeFlags.Union */) { + var nakedTypeVariable = void 0; + var sources = source.flags & 1048576 /* TypeFlags.Union */ ? source.types : [source]; + var matched_1 = new Array(sources.length); + var inferenceCircularity = false; + // First infer to types that are not naked type variables. For each source type we + // track whether inferences were made from that particular type to some target with + // equal priority (i.e. of equal quality) to what we would infer for a naked type + // parameter. + for (var _i = 0, targets_2 = targets; _i < targets_2.length; _i++) { + var t = targets_2[_i]; + if (getInferenceInfoForType(t)) { + nakedTypeVariable = t; + typeVariableCount++; + } + else { + for (var i = 0; i < sources.length; i++) { + var saveInferencePriority = inferencePriority; + inferencePriority = 2048 /* InferencePriority.MaxValue */; + inferFromTypes(sources[i], t); + if (inferencePriority === priority) + matched_1[i] = true; + inferenceCircularity = inferenceCircularity || inferencePriority === -1 /* InferencePriority.Circularity */; + inferencePriority = Math.min(inferencePriority, saveInferencePriority); + } + } + } + if (typeVariableCount === 0) { + // If every target is an intersection of types containing a single naked type variable, + // make a lower priority inference to that type variable. This handles inferring from + // 'A | B' to 'T & (X | Y)' where we want to infer 'A | B' for T. + var intersectionTypeVariable = getSingleTypeVariableFromIntersectionTypes(targets); + if (intersectionTypeVariable) { + inferWithPriority(source, intersectionTypeVariable, 1 /* InferencePriority.NakedTypeVariable */); + } + return; + } + // If the target has a single naked type variable and no inference circularities were + // encountered above (meaning we explored the types fully), create a union of the source + // types from which no inferences have been made so far and infer from that union to the + // naked type variable. + if (typeVariableCount === 1 && !inferenceCircularity) { + var unmatched = ts.flatMap(sources, function (s, i) { return matched_1[i] ? undefined : s; }); + if (unmatched.length) { + inferFromTypes(getUnionType(unmatched), nakedTypeVariable); + return; + } + } + } + else { + // We infer from types that are not naked type variables first so that inferences we + // make from nested naked type variables and given slightly higher priority by virtue + // of being first in the candidates array. + for (var _a = 0, targets_3 = targets; _a < targets_3.length; _a++) { + var t = targets_3[_a]; + if (getInferenceInfoForType(t)) { + typeVariableCount++; + } + else { + inferFromTypes(source, t); + } + } + } + // Inferences directly to naked type variables are given lower priority as they are + // less specific. For example, when inferring from Promise to T | Promise, + // we want to infer string for T, not Promise | string. For intersection types + // we only infer to single naked type variables. + if (targetFlags & 2097152 /* TypeFlags.Intersection */ ? typeVariableCount === 1 : typeVariableCount > 0) { + for (var _b = 0, targets_4 = targets; _b < targets_4.length; _b++) { + var t = targets_4[_b]; + if (getInferenceInfoForType(t)) { + inferWithPriority(source, t, 1 /* InferencePriority.NakedTypeVariable */); + } + } + } + } + function inferToMappedType(source, target, constraintType) { + if (constraintType.flags & 1048576 /* TypeFlags.Union */) { + var result = false; + for (var _i = 0, _a = constraintType.types; _i < _a.length; _i++) { + var type = _a[_i]; + result = inferToMappedType(source, target, type) || result; + } + return result; + } + if (constraintType.flags & 4194304 /* TypeFlags.Index */) { + // We're inferring from some source type S to a homomorphic mapped type { [P in keyof T]: X }, + // where T is a type variable. Use inferTypeForHomomorphicMappedType to infer a suitable source + // type and then make a secondary inference from that type to T. We make a secondary inference + // such that direct inferences to T get priority over inferences to Partial, for example. + var inference = getInferenceInfoForType(constraintType.type); + if (inference && !inference.isFixed && !isFromInferenceBlockedSource(source)) { + var inferredType = inferTypeForHomomorphicMappedType(source, target, constraintType); + if (inferredType) { + // We assign a lower priority to inferences made from types containing non-inferrable + // types because we may only have a partial result (i.e. we may have failed to make + // reverse inferences for some properties). + inferWithPriority(inferredType, inference.typeParameter, ts.getObjectFlags(source) & 262144 /* ObjectFlags.NonInferrableType */ ? + 16 /* InferencePriority.PartialHomomorphicMappedType */ : + 8 /* InferencePriority.HomomorphicMappedType */); + } + } + return true; + } + if (constraintType.flags & 262144 /* TypeFlags.TypeParameter */) { + // We're inferring from some source type S to a mapped type { [P in K]: X }, where K is a type + // parameter. First infer from 'keyof S' to K. + inferWithPriority(getIndexType(source), constraintType, 32 /* InferencePriority.MappedTypeConstraint */); + // If K is constrained to a type C, also infer to C. Thus, for a mapped type { [P in K]: X }, + // where K extends keyof T, we make the same inferences as for a homomorphic mapped type + // { [P in keyof T]: X }. This enables us to make meaningful inferences when the target is a + // Pick. + var extendedConstraint = getConstraintOfType(constraintType); + if (extendedConstraint && inferToMappedType(source, target, extendedConstraint)) { + return true; + } + // If no inferences can be made to K's constraint, infer from a union of the property types + // in the source to the template type X. + var propTypes = ts.map(getPropertiesOfType(source), getTypeOfSymbol); + var indexTypes = ts.map(getIndexInfosOfType(source), function (info) { return info !== enumNumberIndexInfo ? info.type : neverType; }); + inferFromTypes(getUnionType(ts.concatenate(propTypes, indexTypes)), getTemplateTypeFromMappedType(target)); + return true; + } + return false; + } + function inferToConditionalType(source, target) { + if (source.flags & 16777216 /* TypeFlags.Conditional */) { + inferFromTypes(source.checkType, target.checkType); + inferFromTypes(source.extendsType, target.extendsType); + inferFromTypes(getTrueTypeFromConditionalType(source), getTrueTypeFromConditionalType(target)); + inferFromTypes(getFalseTypeFromConditionalType(source), getFalseTypeFromConditionalType(target)); + } + else { + var savePriority = priority; + priority |= contravariant ? 64 /* InferencePriority.ContravariantConditional */ : 0; + var targetTypes = [getTrueTypeFromConditionalType(target), getFalseTypeFromConditionalType(target)]; + inferToMultipleTypes(source, targetTypes, target.flags); + priority = savePriority; + } + } + function inferToTemplateLiteralType(source, target) { + var matches = inferTypesFromTemplateLiteralType(source, target); + var types = target.types; + // When the target template literal contains only placeholders (meaning that inference is intended to extract + // single characters and remainder strings) and inference fails to produce matches, we want to infer 'never' for + // each placeholder such that instantiation with the inferred value(s) produces 'never', a type for which an + // assignment check will fail. If we make no inferences, we'll likely end up with the constraint 'string' which, + // upon instantiation, would collapse all the placeholders to just 'string', and an assignment check might + // succeed. That would be a pointless and confusing outcome. + if (matches || ts.every(target.texts, function (s) { return s.length === 0; })) { + for (var i = 0; i < types.length; i++) { + inferFromTypes(matches ? matches[i] : neverType, types[i]); + } + } + } + function inferFromObjectTypes(source, target) { + if (ts.getObjectFlags(source) & 4 /* ObjectFlags.Reference */ && ts.getObjectFlags(target) & 4 /* ObjectFlags.Reference */ && (source.target === target.target || isArrayType(source) && isArrayType(target))) { + // If source and target are references to the same generic type, infer from type arguments + inferFromTypeArguments(getTypeArguments(source), getTypeArguments(target), getVariances(source.target)); + return; + } + if (isGenericMappedType(source) && isGenericMappedType(target)) { + // The source and target types are generic types { [P in S]: X } and { [P in T]: Y }, so we infer + // from S to T and from X to Y. + inferFromTypes(getConstraintTypeFromMappedType(source), getConstraintTypeFromMappedType(target)); + inferFromTypes(getTemplateTypeFromMappedType(source), getTemplateTypeFromMappedType(target)); + var sourceNameType = getNameTypeFromMappedType(source); + var targetNameType = getNameTypeFromMappedType(target); + if (sourceNameType && targetNameType) + inferFromTypes(sourceNameType, targetNameType); + } + if (ts.getObjectFlags(target) & 32 /* ObjectFlags.Mapped */ && !target.declaration.nameType) { + var constraintType = getConstraintTypeFromMappedType(target); + if (inferToMappedType(source, target, constraintType)) { + return; + } + } + // Infer from the members of source and target only if the two types are possibly related + if (!typesDefinitelyUnrelated(source, target)) { + if (isArrayOrTupleType(source)) { + if (isTupleType(target)) { + var sourceArity = getTypeReferenceArity(source); + var targetArity = getTypeReferenceArity(target); + var elementTypes = getTypeArguments(target); + var elementFlags = target.target.elementFlags; + // When source and target are tuple types with the same structure (fixed, variadic, and rest are matched + // to the same kind in each position), simply infer between the element types. + if (isTupleType(source) && isTupleTypeStructureMatching(source, target)) { + for (var i = 0; i < targetArity; i++) { + inferFromTypes(getTypeArguments(source)[i], elementTypes[i]); + } + return; + } + var startLength = isTupleType(source) ? Math.min(source.target.fixedLength, target.target.fixedLength) : 0; + var endLength = Math.min(isTupleType(source) ? getEndElementCount(source.target, 3 /* ElementFlags.Fixed */) : 0, target.target.hasRestElement ? getEndElementCount(target.target, 3 /* ElementFlags.Fixed */) : 0); + // Infer between starting fixed elements. + for (var i = 0; i < startLength; i++) { + inferFromTypes(getTypeArguments(source)[i], elementTypes[i]); + } + if (!isTupleType(source) || sourceArity - startLength - endLength === 1 && source.target.elementFlags[startLength] & 4 /* ElementFlags.Rest */) { + // Single rest element remains in source, infer from that to every element in target + var restType = getTypeArguments(source)[startLength]; + for (var i = startLength; i < targetArity - endLength; i++) { + inferFromTypes(elementFlags[i] & 8 /* ElementFlags.Variadic */ ? createArrayType(restType) : restType, elementTypes[i]); + } + } + else { + var middleLength = targetArity - startLength - endLength; + if (middleLength === 2 && elementFlags[startLength] & elementFlags[startLength + 1] & 8 /* ElementFlags.Variadic */ && isTupleType(source)) { + // Middle of target is [...T, ...U] and source is tuple type + var targetInfo = getInferenceInfoForType(elementTypes[startLength]); + if (targetInfo && targetInfo.impliedArity !== undefined) { + // Infer slices from source based on implied arity of T. + inferFromTypes(sliceTupleType(source, startLength, endLength + sourceArity - targetInfo.impliedArity), elementTypes[startLength]); + inferFromTypes(sliceTupleType(source, startLength + targetInfo.impliedArity, endLength), elementTypes[startLength + 1]); + } + } + else if (middleLength === 1 && elementFlags[startLength] & 8 /* ElementFlags.Variadic */) { + // Middle of target is exactly one variadic element. Infer the slice between the fixed parts in the source. + // If target ends in optional element(s), make a lower priority a speculative inference. + var endsInOptional = target.target.elementFlags[targetArity - 1] & 2 /* ElementFlags.Optional */; + var sourceSlice = isTupleType(source) ? sliceTupleType(source, startLength, endLength) : createArrayType(getTypeArguments(source)[0]); + inferWithPriority(sourceSlice, elementTypes[startLength], endsInOptional ? 2 /* InferencePriority.SpeculativeTuple */ : 0); + } + else if (middleLength === 1 && elementFlags[startLength] & 4 /* ElementFlags.Rest */) { + // Middle of target is exactly one rest element. If middle of source is not empty, infer union of middle element types. + var restType = isTupleType(source) ? getElementTypeOfSliceOfTupleType(source, startLength, endLength) : getTypeArguments(source)[0]; + if (restType) { + inferFromTypes(restType, elementTypes[startLength]); + } + } + } + // Infer between ending fixed elements + for (var i = 0; i < endLength; i++) { + inferFromTypes(getTypeArguments(source)[sourceArity - i - 1], elementTypes[targetArity - i - 1]); + } + return; + } + if (isArrayType(target)) { + inferFromIndexTypes(source, target); + return; + } + } + inferFromProperties(source, target); + inferFromSignatures(source, target, 0 /* SignatureKind.Call */); + inferFromSignatures(source, target, 1 /* SignatureKind.Construct */); + inferFromIndexTypes(source, target); + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var targetProp = properties_3[_i]; + var sourceProp = getPropertyOfType(source, targetProp.escapedName); + if (sourceProp && !ts.some(sourceProp.declarations, hasSkipDirectInferenceFlag)) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + var skipParameters = !!(ts.getObjectFlags(source) & 262144 /* ObjectFlags.NonInferrableType */); + for (var i = 0; i < len; i++) { + inferFromSignature(getBaseSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i]), skipParameters); + } + } + function inferFromSignature(source, target, skipParameters) { + if (!skipParameters) { + var saveBivariant = bivariant; + var kind = target.declaration ? target.declaration.kind : 0 /* SyntaxKind.Unknown */; + // Once we descend into a bivariant signature we remain bivariant for all nested inferences + bivariant = bivariant || kind === 169 /* SyntaxKind.MethodDeclaration */ || kind === 168 /* SyntaxKind.MethodSignature */ || kind === 171 /* SyntaxKind.Constructor */; + applyToParameterTypes(source, target, inferFromContravariantTypes); + bivariant = saveBivariant; + } + applyToReturnTypes(source, target, inferFromTypes); + } + function inferFromIndexTypes(source, target) { + // Inferences across mapped type index signatures are pretty much the same a inferences to homomorphic variables + var priority = (ts.getObjectFlags(source) & ts.getObjectFlags(target) & 32 /* ObjectFlags.Mapped */) ? 8 /* InferencePriority.HomomorphicMappedType */ : 0; + var indexInfos = getIndexInfosOfType(target); + if (isObjectTypeWithInferableIndex(source)) { + for (var _i = 0, indexInfos_6 = indexInfos; _i < indexInfos_6.length; _i++) { + var targetInfo = indexInfos_6[_i]; + var propTypes = []; + for (var _a = 0, _b = getPropertiesOfType(source); _a < _b.length; _a++) { + var prop = _b[_a]; + if (isApplicableIndexType(getLiteralTypeFromProperty(prop, 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */), targetInfo.keyType)) { + var propType = getTypeOfSymbol(prop); + propTypes.push(prop.flags & 16777216 /* SymbolFlags.Optional */ ? removeMissingOrUndefinedType(propType) : propType); + } + } + for (var _c = 0, _d = getIndexInfosOfType(source); _c < _d.length; _c++) { + var info = _d[_c]; + if (isApplicableIndexType(info.keyType, targetInfo.keyType)) { + propTypes.push(info.type); + } + } + if (propTypes.length) { + inferWithPriority(getUnionType(propTypes), targetInfo.type, priority); + } + } + } + for (var _e = 0, indexInfos_7 = indexInfos; _e < indexInfos_7.length; _e++) { + var targetInfo = indexInfos_7[_e]; + var sourceInfo = getApplicableIndexInfo(source, targetInfo.keyType); + if (sourceInfo) { + inferWithPriority(sourceInfo.type, targetInfo.type, priority); + } + } + } + } + function isTypeOrBaseIdenticalTo(s, t) { + return exactOptionalPropertyTypes && t === missingType ? s === t : + (isTypeIdenticalTo(s, t) || !!(t.flags & 4 /* TypeFlags.String */ && s.flags & 128 /* TypeFlags.StringLiteral */ || t.flags & 8 /* TypeFlags.Number */ && s.flags & 256 /* TypeFlags.NumberLiteral */)); + } + function isTypeCloselyMatchedBy(s, t) { + return !!(s.flags & 524288 /* TypeFlags.Object */ && t.flags & 524288 /* TypeFlags.Object */ && s.symbol && s.symbol === t.symbol || + s.aliasSymbol && s.aliasTypeArguments && s.aliasSymbol === t.aliasSymbol); + } + function hasPrimitiveConstraint(type) { + var constraint = getConstraintOfTypeParameter(type); + return !!constraint && maybeTypeOfKind(constraint.flags & 16777216 /* TypeFlags.Conditional */ ? getDefaultConstraintOfConditionalType(constraint) : constraint, 131068 /* TypeFlags.Primitive */ | 4194304 /* TypeFlags.Index */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */); + } + function isObjectLiteralType(type) { + return !!(ts.getObjectFlags(type) & 128 /* ObjectFlags.ObjectLiteral */); + } + function isObjectOrArrayLiteralType(type) { + return !!(ts.getObjectFlags(type) & (128 /* ObjectFlags.ObjectLiteral */ | 16384 /* ObjectFlags.ArrayLiteral */)); + } + function unionObjectAndArrayLiteralCandidates(candidates) { + if (candidates.length > 1) { + var objectLiterals = ts.filter(candidates, isObjectOrArrayLiteralType); + if (objectLiterals.length) { + var literalsType = getUnionType(objectLiterals, 2 /* UnionReduction.Subtype */); + return ts.concatenate(ts.filter(candidates, function (t) { return !isObjectOrArrayLiteralType(t); }), [literalsType]); + } + } + return candidates; + } + function getContravariantInference(inference) { + return inference.priority & 416 /* InferencePriority.PriorityImpliesCombination */ ? getIntersectionType(inference.contraCandidates) : getCommonSubtype(inference.contraCandidates); + } + function getCovariantInference(inference, signature) { + // Extract all object and array literal types and replace them with a single widened and normalized type. + var candidates = unionObjectAndArrayLiteralCandidates(inference.candidates); + // We widen inferred literal types if + // all inferences were made to top-level occurrences of the type parameter, and + // the type parameter has no constraint or its constraint includes no primitive or literal types, and + // the type parameter was fixed during inference or does not occur at top-level in the return type. + var primitiveConstraint = hasPrimitiveConstraint(inference.typeParameter); + var widenLiteralTypes = !primitiveConstraint && inference.topLevel && + (inference.isFixed || !isTypeParameterAtTopLevel(getReturnTypeOfSignature(signature), inference.typeParameter)); + var baseCandidates = primitiveConstraint ? ts.sameMap(candidates, getRegularTypeOfLiteralType) : + widenLiteralTypes ? ts.sameMap(candidates, getWidenedLiteralType) : + candidates; + // If all inferences were made from a position that implies a combined result, infer a union type. + // Otherwise, infer a common supertype. + var unwidenedType = inference.priority & 416 /* InferencePriority.PriorityImpliesCombination */ ? + getUnionType(baseCandidates, 2 /* UnionReduction.Subtype */) : + getCommonSupertype(baseCandidates); + return getWidenedType(unwidenedType); + } + function getInferredType(context, index) { + var inference = context.inferences[index]; + if (!inference.inferredType) { + var inferredType = void 0; + var signature = context.signature; + if (signature) { + var inferredCovariantType_1 = inference.candidates ? getCovariantInference(inference, signature) : undefined; + if (inference.contraCandidates) { + // If we have both co- and contra-variant inferences, we prefer the contra-variant inference + // unless the co-variant inference is a subtype of some contra-variant inference and not 'never'. + inferredType = inferredCovariantType_1 && !(inferredCovariantType_1.flags & 131072 /* TypeFlags.Never */) && + ts.some(inference.contraCandidates, function (t) { return isTypeSubtypeOf(inferredCovariantType_1, t); }) ? + inferredCovariantType_1 : getContravariantInference(inference); + } + else if (inferredCovariantType_1) { + inferredType = inferredCovariantType_1; + } + else if (context.flags & 1 /* InferenceFlags.NoDefault */) { + // We use silentNeverType as the wildcard that signals no inferences. + inferredType = silentNeverType; + } + else { + // Infer either the default or the empty object type when no inferences were + // made. It is important to remember that in this case, inference still + // succeeds, meaning there is no error for not having inference candidates. An + // inference error only occurs when there are *conflicting* candidates, i.e. + // candidates with no common supertype. + var defaultType = getDefaultFromTypeParameter(inference.typeParameter); + if (defaultType) { + // Instantiate the default type. Any forward reference to a type + // parameter should be instantiated to the empty object type. + inferredType = instantiateType(defaultType, mergeTypeMappers(createBackreferenceMapper(context, index), context.nonFixingMapper)); + } + } + } + else { + inferredType = getTypeFromInference(inference); + } + inference.inferredType = inferredType || getDefaultTypeArgumentType(!!(context.flags & 2 /* InferenceFlags.AnyDefault */)); + var constraint = getConstraintOfTypeParameter(inference.typeParameter); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, context.nonFixingMapper); + if (!inferredType || !context.compareTypes(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + inference.inferredType = inferredType = instantiatedConstraint; + } + } + } + return inference.inferredType; + } + function getDefaultTypeArgumentType(isInJavaScriptFile) { + return isInJavaScriptFile ? anyType : unknownType; + } + function getInferredTypes(context) { + var result = []; + for (var i = 0; i < context.inferences.length; i++) { + result.push(getInferredType(context, i)); + } + return result; + } + // EXPRESSION TYPE CHECKING + function getCannotFindNameDiagnosticForName(node) { + switch (node.escapedText) { + case "document": + case "console": + return ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_include_dom; + case "$": + return compilerOptions.types + ? ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_save_dev_types_Slashjquery_and_then_add_jquery_to_the_types_field_in_your_tsconfig + : ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_save_dev_types_Slashjquery; + case "describe": + case "suite": + case "it": + case "test": + return compilerOptions.types + ? ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_save_dev_types_Slashjest_or_npm_i_save_dev_types_Slashmocha_and_then_add_jest_or_mocha_to_the_types_field_in_your_tsconfig + : ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_save_dev_types_Slashjest_or_npm_i_save_dev_types_Slashmocha; + case "process": + case "require": + case "Buffer": + case "module": + return compilerOptions.types + ? ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig + : ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashnode; + case "Map": + case "Set": + case "Promise": + case "Symbol": + case "WeakMap": + case "WeakSet": + case "Iterator": + case "AsyncIterator": + case "SharedArrayBuffer": + case "Atomics": + case "AsyncIterable": + case "AsyncIterableIterator": + case "AsyncGenerator": + case "AsyncGeneratorFunction": + case "BigInt": + case "Reflect": + case "BigInt64Array": + case "BigUint64Array": + return ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_1_or_later; + case "await": + if (ts.isCallExpression(node.parent)) { + return ts.Diagnostics.Cannot_find_name_0_Did_you_mean_to_write_this_in_an_async_function; + } + // falls through + default: + if (node.parent.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + return ts.Diagnostics.No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer; + } + else { + return ts.Diagnostics.Cannot_find_name_0; + } + } + } + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = !ts.nodeIsMissing(node) && + resolveName(node, node.escapedText, 111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */, getCannotFindNameDiagnosticForName(node), node, !ts.isWriteOnlyAccess(node), + /*excludeGlobals*/ false) || unknownSymbol; + } + return links.resolvedSymbol; + } + function isInTypeQuery(node) { + // TypeScript 1.0 spec (April 2014): 3.6.3 + // A type query consists of the keyword typeof followed by an expression. + // The expression is restricted to a single identifier or a sequence of identifiers separated by periods + return !!ts.findAncestor(node, function (n) { return n.kind === 181 /* SyntaxKind.TypeQuery */ ? true : n.kind === 79 /* SyntaxKind.Identifier */ || n.kind === 161 /* SyntaxKind.QualifiedName */ ? false : "quit"; }); + } + // Return the flow cache key for a "dotted name" (i.e. a sequence of identifiers + // separated by dots). The key consists of the id of the symbol referenced by the + // leftmost identifier followed by zero or more property names separated by dots. + // The result is undefined if the reference isn't a dotted name. + function getFlowCacheKey(node, declaredType, initialType, flowContainer) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + if (!ts.isThisInTypeQuery(node)) { + var symbol = getResolvedSymbol(node); + return symbol !== unknownSymbol ? "".concat(flowContainer ? getNodeId(flowContainer) : "-1", "|").concat(getTypeId(declaredType), "|").concat(getTypeId(initialType), "|").concat(getSymbolId(symbol)) : undefined; + } + // falls through + case 108 /* SyntaxKind.ThisKeyword */: + return "0|".concat(flowContainer ? getNodeId(flowContainer) : "-1", "|").concat(getTypeId(declaredType), "|").concat(getTypeId(initialType)); + case 230 /* SyntaxKind.NonNullExpression */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + return getFlowCacheKey(node.expression, declaredType, initialType, flowContainer); + case 161 /* SyntaxKind.QualifiedName */: + var left = getFlowCacheKey(node.left, declaredType, initialType, flowContainer); + return left && left + "." + node.right.escapedText; + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + var propName = getAccessedPropertyName(node); + if (propName !== undefined) { + var key = getFlowCacheKey(node.expression, declaredType, initialType, flowContainer); + return key && key + "." + propName; + } + } + return undefined; + } + function isMatchingReference(source, target) { + switch (target.kind) { + case 212 /* SyntaxKind.ParenthesizedExpression */: + case 230 /* SyntaxKind.NonNullExpression */: + return isMatchingReference(source, target.expression); + case 221 /* SyntaxKind.BinaryExpression */: + return (ts.isAssignmentExpression(target) && isMatchingReference(source, target.left)) || + (ts.isBinaryExpression(target) && target.operatorToken.kind === 27 /* SyntaxKind.CommaToken */ && isMatchingReference(source, target.right)); + } + switch (source.kind) { + case 231 /* SyntaxKind.MetaProperty */: + return target.kind === 231 /* SyntaxKind.MetaProperty */ + && source.keywordToken === target.keywordToken + && source.name.escapedText === target.name.escapedText; + case 79 /* SyntaxKind.Identifier */: + case 80 /* SyntaxKind.PrivateIdentifier */: + return ts.isThisInTypeQuery(source) ? + target.kind === 108 /* SyntaxKind.ThisKeyword */ : + target.kind === 79 /* SyntaxKind.Identifier */ && getResolvedSymbol(source) === getResolvedSymbol(target) || + (target.kind === 254 /* SyntaxKind.VariableDeclaration */ || target.kind === 203 /* SyntaxKind.BindingElement */) && + getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target); + case 108 /* SyntaxKind.ThisKeyword */: + return target.kind === 108 /* SyntaxKind.ThisKeyword */; + case 106 /* SyntaxKind.SuperKeyword */: + return target.kind === 106 /* SyntaxKind.SuperKeyword */; + case 230 /* SyntaxKind.NonNullExpression */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + return isMatchingReference(source.expression, target); + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + var sourcePropertyName = getAccessedPropertyName(source); + var targetPropertyName = ts.isAccessExpression(target) ? getAccessedPropertyName(target) : undefined; + return sourcePropertyName !== undefined && targetPropertyName !== undefined && targetPropertyName === sourcePropertyName && + isMatchingReference(source.expression, target.expression); + case 161 /* SyntaxKind.QualifiedName */: + return ts.isAccessExpression(target) && + source.right.escapedText === getAccessedPropertyName(target) && + isMatchingReference(source.left, target.expression); + case 221 /* SyntaxKind.BinaryExpression */: + return (ts.isBinaryExpression(source) && source.operatorToken.kind === 27 /* SyntaxKind.CommaToken */ && isMatchingReference(source.right, target)); + } + return false; + } + function getAccessedPropertyName(access) { + if (ts.isPropertyAccessExpression(access)) { + return access.name.escapedText; + } + if (ts.isElementAccessExpression(access)) { + return tryGetElementAccessExpressionName(access); + } + if (ts.isBindingElement(access)) { + var name = getDestructuringPropertyName(access); + return name ? ts.escapeLeadingUnderscores(name) : undefined; + } + if (ts.isParameter(access)) { + return ("" + access.parent.parameters.indexOf(access)); + } + return undefined; + } + function tryGetNameFromType(type) { + return type.flags & 8192 /* TypeFlags.UniqueESSymbol */ ? type.escapedName : + type.flags & 384 /* TypeFlags.StringOrNumberLiteral */ ? ts.escapeLeadingUnderscores("" + type.value) : undefined; + } + function tryGetElementAccessExpressionName(node) { + if (ts.isStringOrNumericLiteralLike(node.argumentExpression)) { + return ts.escapeLeadingUnderscores(node.argumentExpression.text); + } + if (ts.isEntityNameExpression(node.argumentExpression)) { + var symbol = resolveEntityName(node.argumentExpression, 111551 /* SymbolFlags.Value */, /*ignoreErrors*/ true); + if (!symbol || !isConstVariable(symbol)) + return undefined; + var declaration = symbol.valueDeclaration; + if (declaration === undefined) + return undefined; + var type = tryGetTypeFromEffectiveTypeNode(declaration); + if (type) { + var name = tryGetNameFromType(type); + if (name !== undefined) { + return name; + } + } + if (ts.hasOnlyExpressionInitializer(declaration)) { + var initializer = ts.getEffectiveInitializer(declaration); + return initializer && tryGetNameFromType(getTypeOfExpression(initializer)); + } + } + return undefined; + } + function containsMatchingReference(source, target) { + while (ts.isAccessExpression(source)) { + source = source.expression; + if (isMatchingReference(source, target)) { + return true; + } + } + return false; + } + function optionalChainContainsReference(source, target) { + while (ts.isOptionalChain(source)) { + source = source.expression; + if (isMatchingReference(source, target)) { + return true; + } + } + return false; + } + function isDiscriminantProperty(type, name) { + if (type && type.flags & 1048576 /* TypeFlags.Union */) { + var prop = getUnionOrIntersectionProperty(type, name); + if (prop && ts.getCheckFlags(prop) & 2 /* CheckFlags.SyntheticProperty */) { + if (prop.isDiscriminantProperty === undefined) { + prop.isDiscriminantProperty = + (prop.checkFlags & 192 /* CheckFlags.Discriminant */) === 192 /* CheckFlags.Discriminant */ && + !isGenericType(getTypeOfSymbol(prop)); + } + return !!prop.isDiscriminantProperty; + } + } + return false; + } + function findDiscriminantProperties(sourceProperties, target) { + var result; + for (var _i = 0, sourceProperties_2 = sourceProperties; _i < sourceProperties_2.length; _i++) { + var sourceProperty = sourceProperties_2[_i]; + if (isDiscriminantProperty(target, sourceProperty.escapedName)) { + if (result) { + result.push(sourceProperty); + continue; + } + result = [sourceProperty]; + } + } + return result; + } + // Given a set of constituent types and a property name, create and return a map keyed by the literal + // types of the property by that name in each constituent type. No map is returned if some key property + // has a non-literal type or if less than 10 or less than 50% of the constituents have a unique key. + // Entries with duplicate keys have unknownType as the value. + function mapTypesByKeyProperty(types, name) { + var map = new ts.Map(); + var count = 0; + var _loop_23 = function (type) { + if (type.flags & (524288 /* TypeFlags.Object */ | 2097152 /* TypeFlags.Intersection */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */)) { + var discriminant = getTypeOfPropertyOfType(type, name); + if (discriminant) { + if (!isLiteralType(discriminant)) { + return { value: undefined }; + } + var duplicate_1 = false; + forEachType(discriminant, function (t) { + var id = getTypeId(getRegularTypeOfLiteralType(t)); + var existing = map.get(id); + if (!existing) { + map.set(id, type); + } + else if (existing !== unknownType) { + map.set(id, unknownType); + duplicate_1 = true; + } + }); + if (!duplicate_1) + count++; + } + } + }; + for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { + var type = types_16[_i]; + var state_9 = _loop_23(type); + if (typeof state_9 === "object") + return state_9.value; + } + return count >= 10 && count * 2 >= types.length ? map : undefined; + } + // Return the name of a discriminant property for which it was possible and feasible to construct a map of + // constituent types keyed by the literal types of the property by that name in each constituent type. + function getKeyPropertyName(unionType) { + var types = unionType.types; + // We only construct maps for unions with many non-primitive constituents. + if (types.length < 10 || ts.getObjectFlags(unionType) & 32768 /* ObjectFlags.PrimitiveUnion */ || + ts.countWhere(types, function (t) { return !!(t.flags & (524288 /* TypeFlags.Object */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */)); }) < 10) { + return undefined; + } + if (unionType.keyPropertyName === undefined) { + // The candidate key property name is the name of the first property with a unit type in one of the + // constituent types. + var keyPropertyName = ts.forEach(types, function (t) { + return t.flags & (524288 /* TypeFlags.Object */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */) ? + ts.forEach(getPropertiesOfType(t), function (p) { return isUnitType(getTypeOfSymbol(p)) ? p.escapedName : undefined; }) : + undefined; + }); + var mapByKeyProperty = keyPropertyName && mapTypesByKeyProperty(types, keyPropertyName); + unionType.keyPropertyName = mapByKeyProperty ? keyPropertyName : ""; + unionType.constituentMap = mapByKeyProperty; + } + return unionType.keyPropertyName.length ? unionType.keyPropertyName : undefined; + } + // Given a union type for which getKeyPropertyName returned a non-undefined result, return the constituent + // that corresponds to the given key type for that property name. + function getConstituentTypeForKeyType(unionType, keyType) { + var _a; + var result = (_a = unionType.constituentMap) === null || _a === void 0 ? void 0 : _a.get(getTypeId(getRegularTypeOfLiteralType(keyType))); + return result !== unknownType ? result : undefined; + } + function getMatchingUnionConstituentForType(unionType, type) { + var keyPropertyName = getKeyPropertyName(unionType); + var propType = keyPropertyName && getTypeOfPropertyOfType(type, keyPropertyName); + return propType && getConstituentTypeForKeyType(unionType, propType); + } + function getMatchingUnionConstituentForObjectLiteral(unionType, node) { + var keyPropertyName = getKeyPropertyName(unionType); + var propNode = keyPropertyName && ts.find(node.properties, function (p) { return p.symbol && p.kind === 296 /* SyntaxKind.PropertyAssignment */ && + p.symbol.escapedName === keyPropertyName && isPossiblyDiscriminantValue(p.initializer); }); + var propType = propNode && getContextFreeTypeOfExpression(propNode.initializer); + return propType && getConstituentTypeForKeyType(unionType, propType); + } + function isOrContainsMatchingReference(source, target) { + return isMatchingReference(source, target) || containsMatchingReference(source, target); + } + function hasMatchingArgument(expression, reference) { + if (expression.arguments) { + for (var _i = 0, _a = expression.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (isOrContainsMatchingReference(reference, argument)) { + return true; + } + } + } + if (expression.expression.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && + isOrContainsMatchingReference(reference, expression.expression.expression)) { + return true; + } + return false; + } + function getFlowNodeId(flow) { + if (!flow.id || flow.id < 0) { + flow.id = nextFlowId; + nextFlowId++; + } + return flow.id; + } + function typeMaybeAssignableTo(source, target) { + if (!(source.flags & 1048576 /* TypeFlags.Union */)) { + return isTypeAssignableTo(source, target); + } + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isTypeAssignableTo(t, target)) { + return true; + } + } + return false; + } + // Remove those constituent types of declaredType to which no constituent type of assignedType is assignable. + // For example, when a variable of type number | string | boolean is assigned a value of type number | boolean, + // we remove type string. + function getAssignmentReducedType(declaredType, assignedType) { + if (declaredType !== assignedType) { + if (assignedType.flags & 131072 /* TypeFlags.Never */) { + return assignedType; + } + var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); }); + if (assignedType.flags & 512 /* TypeFlags.BooleanLiteral */ && isFreshLiteralType(assignedType)) { + reducedType = mapType(reducedType, getFreshTypeOfLiteralType); // Ensure that if the assignment is a fresh type, that we narrow to fresh types + } + // Our crude heuristic produces an invalid result in some cases: see GH#26130. + // For now, when that happens, we give up and don't narrow at all. (This also + // means we'll never narrow for erroneous assignments where the assigned type + // is not assignable to the declared type.) + if (isTypeAssignableTo(assignedType, reducedType)) { + return reducedType; + } + } + return declaredType; + } + function isFunctionObjectType(type) { + // We do a quick check for a "bind" property before performing the more expensive subtype + // check. This gives us a quicker out in the common case where an object type is not a function. + var resolved = resolveStructuredTypeMembers(type); + return !!(resolved.callSignatures.length || resolved.constructSignatures.length || + resolved.members.get("bind") && isTypeSubtypeOf(type, globalFunctionType)); + } + function getTypeFacts(type, ignoreObjects) { + if (ignoreObjects === void 0) { ignoreObjects = false; } + var flags = type.flags; + if (flags & 4 /* TypeFlags.String */) { + return strictNullChecks ? 16317953 /* TypeFacts.StringStrictFacts */ : 16776705 /* TypeFacts.StringFacts */; + } + if (flags & 128 /* TypeFlags.StringLiteral */) { + var isEmpty = type.value === ""; + return strictNullChecks ? + isEmpty ? 12123649 /* TypeFacts.EmptyStringStrictFacts */ : 7929345 /* TypeFacts.NonEmptyStringStrictFacts */ : + isEmpty ? 12582401 /* TypeFacts.EmptyStringFacts */ : 16776705 /* TypeFacts.NonEmptyStringFacts */; + } + if (flags & (8 /* TypeFlags.Number */ | 32 /* TypeFlags.Enum */)) { + return strictNullChecks ? 16317698 /* TypeFacts.NumberStrictFacts */ : 16776450 /* TypeFacts.NumberFacts */; + } + if (flags & 256 /* TypeFlags.NumberLiteral */) { + var isZero = type.value === 0; + return strictNullChecks ? + isZero ? 12123394 /* TypeFacts.ZeroNumberStrictFacts */ : 7929090 /* TypeFacts.NonZeroNumberStrictFacts */ : + isZero ? 12582146 /* TypeFacts.ZeroNumberFacts */ : 16776450 /* TypeFacts.NonZeroNumberFacts */; + } + if (flags & 64 /* TypeFlags.BigInt */) { + return strictNullChecks ? 16317188 /* TypeFacts.BigIntStrictFacts */ : 16775940 /* TypeFacts.BigIntFacts */; + } + if (flags & 2048 /* TypeFlags.BigIntLiteral */) { + var isZero = isZeroBigInt(type); + return strictNullChecks ? + isZero ? 12122884 /* TypeFacts.ZeroBigIntStrictFacts */ : 7928580 /* TypeFacts.NonZeroBigIntStrictFacts */ : + isZero ? 12581636 /* TypeFacts.ZeroBigIntFacts */ : 16775940 /* TypeFacts.NonZeroBigIntFacts */; + } + if (flags & 16 /* TypeFlags.Boolean */) { + return strictNullChecks ? 16316168 /* TypeFacts.BooleanStrictFacts */ : 16774920 /* TypeFacts.BooleanFacts */; + } + if (flags & 528 /* TypeFlags.BooleanLike */) { + return strictNullChecks ? + (type === falseType || type === regularFalseType) ? 12121864 /* TypeFacts.FalseStrictFacts */ : 7927560 /* TypeFacts.TrueStrictFacts */ : + (type === falseType || type === regularFalseType) ? 12580616 /* TypeFacts.FalseFacts */ : 16774920 /* TypeFacts.TrueFacts */; + } + if (flags & 524288 /* TypeFlags.Object */) { + if (ignoreObjects) { + return 16768959 /* TypeFacts.AndFactsMask */; // This is the identity element for computing type facts of intersection. + } + return ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */ && isEmptyObjectType(type) ? + strictNullChecks ? 16318463 /* TypeFacts.EmptyObjectStrictFacts */ : 16777215 /* TypeFacts.EmptyObjectFacts */ : + isFunctionObjectType(type) ? + strictNullChecks ? 7880640 /* TypeFacts.FunctionStrictFacts */ : 16728000 /* TypeFacts.FunctionFacts */ : + strictNullChecks ? 7888800 /* TypeFacts.ObjectStrictFacts */ : 16736160 /* TypeFacts.ObjectFacts */; + } + if (flags & (16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */)) { + return 9830144 /* TypeFacts.UndefinedFacts */; + } + if (flags & 65536 /* TypeFlags.Null */) { + return 9363232 /* TypeFacts.NullFacts */; + } + if (flags & 12288 /* TypeFlags.ESSymbolLike */) { + return strictNullChecks ? 7925520 /* TypeFacts.SymbolStrictFacts */ : 16772880 /* TypeFacts.SymbolFacts */; + } + if (flags & 67108864 /* TypeFlags.NonPrimitive */) { + return strictNullChecks ? 7888800 /* TypeFacts.ObjectStrictFacts */ : 16736160 /* TypeFacts.ObjectFacts */; + } + if (flags & 131072 /* TypeFlags.Never */) { + return 0 /* TypeFacts.None */; + } + if (flags & 465829888 /* TypeFlags.Instantiable */) { + return !isPatternLiteralType(type) ? getTypeFacts(getBaseConstraintOfType(type) || unknownType, ignoreObjects) : + strictNullChecks ? 7929345 /* TypeFacts.NonEmptyStringStrictFacts */ : 16776705 /* TypeFacts.NonEmptyStringFacts */; + } + if (flags & 1048576 /* TypeFlags.Union */) { + return ts.reduceLeft(type.types, function (facts, t) { return facts | getTypeFacts(t, ignoreObjects); }, 0 /* TypeFacts.None */); + } + if (flags & 2097152 /* TypeFlags.Intersection */) { + // When an intersection contains a primitive type we ignore object type constituents as they are + // presumably type tags. For example, in string & { __kind__: "name" } we ignore the object type. + ignoreObjects || (ignoreObjects = maybeTypeOfKind(type, 131068 /* TypeFlags.Primitive */)); + return getIntersectionTypeFacts(type, ignoreObjects); + } + return 16777215 /* TypeFacts.All */; + } + function getIntersectionTypeFacts(type, ignoreObjects) { + // When computing the type facts of an intersection type, certain type facts are computed as `and` + // and others are computed as `or`. + var oredFacts = 0 /* TypeFacts.None */; + var andedFacts = 16777215 /* TypeFacts.All */; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + var f = getTypeFacts(t, ignoreObjects); + oredFacts |= f; + andedFacts &= f; + } + return oredFacts & 8256 /* TypeFacts.OrFactsMask */ | andedFacts & 16768959 /* TypeFacts.AndFactsMask */; + } + function getTypeWithFacts(type, include) { + return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; }); + } + function getTypeWithDefault(type, defaultExpression) { + return defaultExpression ? + getUnionType([getNonUndefinedType(type), getTypeOfExpression(defaultExpression)]) : + type; + } + function getTypeOfDestructuredProperty(type, name) { + var _a; + var nameType = getLiteralTypeFromPropertyName(name); + if (!isTypeUsableAsPropertyName(nameType)) + return errorType; + var text = getPropertyNameFromType(nameType); + return getTypeOfPropertyOfType(type, text) || includeUndefinedInIndexSignature((_a = getApplicableIndexInfoForName(type, text)) === null || _a === void 0 ? void 0 : _a.type) || errorType; + } + function getTypeOfDestructuredArrayElement(type, index) { + return everyType(type, isTupleLikeType) && getTupleElementType(type, index) || + includeUndefinedInIndexSignature(checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, type, undefinedType, /*errorNode*/ undefined)) || + errorType; + } + function includeUndefinedInIndexSignature(type) { + if (!type) + return type; + return compilerOptions.noUncheckedIndexedAccess ? + getUnionType([type, undefinedType]) : + type; + } + function getTypeOfDestructuredSpreadExpression(type) { + return createArrayType(checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, type, undefinedType, /*errorNode*/ undefined) || errorType); + } + function getAssignedTypeOfBinaryExpression(node) { + var isDestructuringDefaultAssignment = node.parent.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ && isDestructuringAssignmentTarget(node.parent) || + node.parent.kind === 296 /* SyntaxKind.PropertyAssignment */ && isDestructuringAssignmentTarget(node.parent.parent); + return isDestructuringDefaultAssignment ? + getTypeWithDefault(getAssignedType(node), node.right) : + getTypeOfExpression(node.right); + } + function isDestructuringAssignmentTarget(parent) { + return parent.parent.kind === 221 /* SyntaxKind.BinaryExpression */ && parent.parent.left === parent || + parent.parent.kind === 244 /* SyntaxKind.ForOfStatement */ && parent.parent.initializer === parent; + } + function getAssignedTypeOfArrayLiteralElement(node, element) { + return getTypeOfDestructuredArrayElement(getAssignedType(node), node.elements.indexOf(element)); + } + function getAssignedTypeOfSpreadExpression(node) { + return getTypeOfDestructuredSpreadExpression(getAssignedType(node.parent)); + } + function getAssignedTypeOfPropertyAssignment(node) { + return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name); + } + function getAssignedTypeOfShorthandPropertyAssignment(node) { + return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer); + } + function getAssignedType(node) { + var parent = node.parent; + switch (parent.kind) { + case 243 /* SyntaxKind.ForInStatement */: + return stringType; + case 244 /* SyntaxKind.ForOfStatement */: + return checkRightHandSideOfForOf(parent) || errorType; + case 221 /* SyntaxKind.BinaryExpression */: + return getAssignedTypeOfBinaryExpression(parent); + case 215 /* SyntaxKind.DeleteExpression */: + return undefinedType; + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return getAssignedTypeOfArrayLiteralElement(parent, node); + case 225 /* SyntaxKind.SpreadElement */: + return getAssignedTypeOfSpreadExpression(parent); + case 296 /* SyntaxKind.PropertyAssignment */: + return getAssignedTypeOfPropertyAssignment(parent); + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return getAssignedTypeOfShorthandPropertyAssignment(parent); + } + return errorType; + } + function getInitialTypeOfBindingElement(node) { + var pattern = node.parent; + var parentType = getInitialType(pattern.parent); + var type = pattern.kind === 201 /* SyntaxKind.ObjectBindingPattern */ ? + getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) : + !node.dotDotDotToken ? + getTypeOfDestructuredArrayElement(parentType, pattern.elements.indexOf(node)) : + getTypeOfDestructuredSpreadExpression(parentType); + return getTypeWithDefault(type, node.initializer); + } + function getTypeOfInitializer(node) { + // Return the cached type if one is available. If the type of the variable was inferred + // from its initializer, we'll already have cached the type. Otherwise we compute it now + // without caching such that transient types are reflected. + var links = getNodeLinks(node); + return links.resolvedType || getTypeOfExpression(node); + } + function getInitialTypeOfVariableDeclaration(node) { + if (node.initializer) { + return getTypeOfInitializer(node.initializer); + } + if (node.parent.parent.kind === 243 /* SyntaxKind.ForInStatement */) { + return stringType; + } + if (node.parent.parent.kind === 244 /* SyntaxKind.ForOfStatement */) { + return checkRightHandSideOfForOf(node.parent.parent) || errorType; + } + return errorType; + } + function getInitialType(node) { + return node.kind === 254 /* SyntaxKind.VariableDeclaration */ ? + getInitialTypeOfVariableDeclaration(node) : + getInitialTypeOfBindingElement(node); + } + function isEmptyArrayAssignment(node) { + return node.kind === 254 /* SyntaxKind.VariableDeclaration */ && node.initializer && + isEmptyArrayLiteral(node.initializer) || + node.kind !== 203 /* SyntaxKind.BindingElement */ && node.parent.kind === 221 /* SyntaxKind.BinaryExpression */ && + isEmptyArrayLiteral(node.parent.right); + } + function getReferenceCandidate(node) { + switch (node.kind) { + case 212 /* SyntaxKind.ParenthesizedExpression */: + return getReferenceCandidate(node.expression); + case 221 /* SyntaxKind.BinaryExpression */: + switch (node.operatorToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + case 75 /* SyntaxKind.BarBarEqualsToken */: + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: + return getReferenceCandidate(node.left); + case 27 /* SyntaxKind.CommaToken */: + return getReferenceCandidate(node.right); + } + } + return node; + } + function getReferenceRoot(node) { + var parent = node.parent; + return parent.kind === 212 /* SyntaxKind.ParenthesizedExpression */ || + parent.kind === 221 /* SyntaxKind.BinaryExpression */ && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && parent.left === node || + parent.kind === 221 /* SyntaxKind.BinaryExpression */ && parent.operatorToken.kind === 27 /* SyntaxKind.CommaToken */ && parent.right === node ? + getReferenceRoot(parent) : node; + } + function getTypeOfSwitchClause(clause) { + if (clause.kind === 289 /* SyntaxKind.CaseClause */) { + return getRegularTypeOfLiteralType(getTypeOfExpression(clause.expression)); + } + return neverType; + } + function getSwitchClauseTypes(switchStatement) { + var links = getNodeLinks(switchStatement); + if (!links.switchTypes) { + links.switchTypes = []; + for (var _i = 0, _a = switchStatement.caseBlock.clauses; _i < _a.length; _i++) { + var clause = _a[_i]; + links.switchTypes.push(getTypeOfSwitchClause(clause)); + } + } + return links.switchTypes; + } + function getSwitchClauseTypeOfWitnesses(switchStatement, retainDefault) { + var witnesses = []; + for (var _i = 0, _a = switchStatement.caseBlock.clauses; _i < _a.length; _i++) { + var clause = _a[_i]; + if (clause.kind === 289 /* SyntaxKind.CaseClause */) { + if (ts.isStringLiteralLike(clause.expression)) { + witnesses.push(clause.expression.text); + continue; + } + return ts.emptyArray; + } + if (retainDefault) + witnesses.push(/*explicitDefaultStatement*/ undefined); + } + return witnesses; + } + function eachTypeContainedIn(source, types) { + return source.flags & 1048576 /* TypeFlags.Union */ ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + } + function isTypeSubsetOf(source, target) { + return source === target || target.flags & 1048576 /* TypeFlags.Union */ && isTypeSubsetOfUnion(source, target); + } + function isTypeSubsetOfUnion(source, target) { + if (source.flags & 1048576 /* TypeFlags.Union */) { + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!containsType(target.types, t)) { + return false; + } + } + return true; + } + if (source.flags & 1024 /* TypeFlags.EnumLiteral */ && getBaseTypeOfEnumLiteralType(source) === target) { + return true; + } + return containsType(target.types, source); + } + function forEachType(type, f) { + return type.flags & 1048576 /* TypeFlags.Union */ ? ts.forEach(type.types, f) : f(type); + } + function someType(type, f) { + return type.flags & 1048576 /* TypeFlags.Union */ ? ts.some(type.types, f) : f(type); + } + function everyType(type, f) { + return type.flags & 1048576 /* TypeFlags.Union */ ? ts.every(type.types, f) : f(type); + } + function everyContainedType(type, f) { + return type.flags & 3145728 /* TypeFlags.UnionOrIntersection */ ? ts.every(type.types, f) : f(type); + } + function filterType(type, f) { + if (type.flags & 1048576 /* TypeFlags.Union */) { + var types = type.types; + var filtered = ts.filter(types, f); + if (filtered === types) { + return type; + } + var origin = type.origin; + var newOrigin = void 0; + if (origin && origin.flags & 1048576 /* TypeFlags.Union */) { + // If the origin type is a (denormalized) union type, filter its non-union constituents. If that ends + // up removing a smaller number of types than in the normalized constituent set (meaning some of the + // filtered types are within nested unions in the origin), then we can't construct a new origin type. + // Otherwise, if we have exactly one type left in the origin set, return that as the filtered type. + // Otherwise, construct a new filtered origin type. + var originTypes = origin.types; + var originFiltered = ts.filter(originTypes, function (t) { return !!(t.flags & 1048576 /* TypeFlags.Union */) || f(t); }); + if (originTypes.length - originFiltered.length === types.length - filtered.length) { + if (originFiltered.length === 1) { + return originFiltered[0]; + } + newOrigin = createOriginUnionOrIntersectionType(1048576 /* TypeFlags.Union */, originFiltered); + } + } + return getUnionTypeFromSortedList(filtered, type.objectFlags, /*aliasSymbol*/ undefined, /*aliasTypeArguments*/ undefined, newOrigin); + } + return type.flags & 131072 /* TypeFlags.Never */ || f(type) ? type : neverType; + } + function removeType(type, targetType) { + return filterType(type, function (t) { return t !== targetType; }); + } + function countTypes(type) { + return type.flags & 1048576 /* TypeFlags.Union */ ? type.types.length : 1; + } + function mapType(type, mapper, noReductions) { + if (type.flags & 131072 /* TypeFlags.Never */) { + return type; + } + if (!(type.flags & 1048576 /* TypeFlags.Union */)) { + return mapper(type); + } + var origin = type.origin; + var types = origin && origin.flags & 1048576 /* TypeFlags.Union */ ? origin.types : type.types; + var mappedTypes; + var changed = false; + for (var _i = 0, types_17 = types; _i < types_17.length; _i++) { + var t = types_17[_i]; + var mapped = t.flags & 1048576 /* TypeFlags.Union */ ? mapType(t, mapper, noReductions) : mapper(t); + changed || (changed = t !== mapped); + if (mapped) { + if (!mappedTypes) { + mappedTypes = [mapped]; + } + else { + mappedTypes.push(mapped); + } + } + } + return changed ? mappedTypes && getUnionType(mappedTypes, noReductions ? 0 /* UnionReduction.None */ : 1 /* UnionReduction.Literal */) : type; + } + function mapTypeWithAlias(type, mapper, aliasSymbol, aliasTypeArguments) { + return type.flags & 1048576 /* TypeFlags.Union */ && aliasSymbol ? + getUnionType(ts.map(type.types, mapper), 1 /* UnionReduction.Literal */, aliasSymbol, aliasTypeArguments) : + mapType(type, mapper); + } + function extractTypesOfKind(type, kind) { + return filterType(type, function (t) { return (t.flags & kind) !== 0; }); + } + // Return a new type in which occurrences of the string, number and bigint primitives and placeholder template + // literal types in typeWithPrimitives have been replaced with occurrences of compatible and more specific types + // from typeWithLiterals. This is essentially a limited form of intersection between the two types. We avoid a + // true intersection because it is more costly and, when applied to union types, generates a large number of + // types we don't actually care about. + function replacePrimitivesWithLiterals(typeWithPrimitives, typeWithLiterals) { + if (maybeTypeOfKind(typeWithPrimitives, 4 /* TypeFlags.String */ | 134217728 /* TypeFlags.TemplateLiteral */ | 8 /* TypeFlags.Number */ | 64 /* TypeFlags.BigInt */) && + maybeTypeOfKind(typeWithLiterals, 128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */ | 256 /* TypeFlags.NumberLiteral */ | 2048 /* TypeFlags.BigIntLiteral */)) { + return mapType(typeWithPrimitives, function (t) { + return t.flags & 4 /* TypeFlags.String */ ? extractTypesOfKind(typeWithLiterals, 4 /* TypeFlags.String */ | 128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) : + isPatternLiteralType(t) && !maybeTypeOfKind(typeWithLiterals, 4 /* TypeFlags.String */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) ? extractTypesOfKind(typeWithLiterals, 128 /* TypeFlags.StringLiteral */) : + t.flags & 8 /* TypeFlags.Number */ ? extractTypesOfKind(typeWithLiterals, 8 /* TypeFlags.Number */ | 256 /* TypeFlags.NumberLiteral */) : + t.flags & 64 /* TypeFlags.BigInt */ ? extractTypesOfKind(typeWithLiterals, 64 /* TypeFlags.BigInt */ | 2048 /* TypeFlags.BigIntLiteral */) : t; + }); + } + return typeWithPrimitives; + } + function isIncomplete(flowType) { + return flowType.flags === 0; + } + function getTypeFromFlowType(flowType) { + return flowType.flags === 0 ? flowType.type : flowType; + } + function createFlowType(type, incomplete) { + return incomplete ? { flags: 0, type: type.flags & 131072 /* TypeFlags.Never */ ? silentNeverType : type } : type; + } + // An evolving array type tracks the element types that have so far been seen in an + // 'x.push(value)' or 'x[n] = value' operation along the control flow graph. Evolving + // array types are ultimately converted into manifest array types (using getFinalArrayType) + // and never escape the getFlowTypeOfReference function. + function createEvolvingArrayType(elementType) { + var result = createObjectType(256 /* ObjectFlags.EvolvingArray */); + result.elementType = elementType; + return result; + } + function getEvolvingArrayType(elementType) { + return evolvingArrayTypes[elementType.id] || (evolvingArrayTypes[elementType.id] = createEvolvingArrayType(elementType)); + } + // When adding evolving array element types we do not perform subtype reduction. Instead, + // we defer subtype reduction until the evolving array type is finalized into a manifest + // array type. + function addEvolvingArrayElementType(evolvingArrayType, node) { + var elementType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(getContextFreeTypeOfExpression(node))); + return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); + } + function createFinalArrayType(elementType) { + return elementType.flags & 131072 /* TypeFlags.Never */ ? + autoArrayType : + createArrayType(elementType.flags & 1048576 /* TypeFlags.Union */ ? + getUnionType(elementType.types, 2 /* UnionReduction.Subtype */) : + elementType); + } + // We perform subtype reduction upon obtaining the final array type from an evolving array type. + function getFinalArrayType(evolvingArrayType) { + return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); + } + function finalizeEvolvingArrayType(type) { + return ts.getObjectFlags(type) & 256 /* ObjectFlags.EvolvingArray */ ? getFinalArrayType(type) : type; + } + function getElementTypeOfEvolvingArrayType(type) { + return ts.getObjectFlags(type) & 256 /* ObjectFlags.EvolvingArray */ ? type.elementType : neverType; + } + function isEvolvingArrayTypeList(types) { + var hasEvolvingArrayType = false; + for (var _i = 0, types_18 = types; _i < types_18.length; _i++) { + var t = types_18[_i]; + if (!(t.flags & 131072 /* TypeFlags.Never */)) { + if (!(ts.getObjectFlags(t) & 256 /* ObjectFlags.EvolvingArray */)) { + return false; + } + hasEvolvingArrayType = true; + } + } + return hasEvolvingArrayType; + } + // Return true if the given node is 'x' in an 'x.length', x.push(value)', 'x.unshift(value)' or + // 'x[n] = value' operation, where 'n' is an expression of type any, undefined, or a number-like type. + function isEvolvingArrayOperationTarget(node) { + var root = getReferenceRoot(node); + var parent = root.parent; + var isLengthPushOrUnshift = ts.isPropertyAccessExpression(parent) && (parent.name.escapedText === "length" || + parent.parent.kind === 208 /* SyntaxKind.CallExpression */ + && ts.isIdentifier(parent.name) + && ts.isPushOrUnshiftIdentifier(parent.name)); + var isElementAssignment = parent.kind === 207 /* SyntaxKind.ElementAccessExpression */ && + parent.expression === root && + parent.parent.kind === 221 /* SyntaxKind.BinaryExpression */ && + parent.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && + parent.parent.left === parent && + !ts.isAssignmentTarget(parent.parent) && + isTypeAssignableToKind(getTypeOfExpression(parent.argumentExpression), 296 /* TypeFlags.NumberLike */); + return isLengthPushOrUnshift || isElementAssignment; + } + function isDeclarationWithExplicitTypeAnnotation(node) { + return (ts.isVariableDeclaration(node) || ts.isPropertyDeclaration(node) || ts.isPropertySignature(node) || ts.isParameter(node)) && + !!(ts.getEffectiveTypeAnnotationNode(node) || + ts.isInJSFile(node) && ts.hasInitializer(node) && node.initializer && ts.isFunctionExpressionOrArrowFunction(node.initializer) && ts.getEffectiveReturnTypeNode(node.initializer)); + } + function getExplicitTypeOfSymbol(symbol, diagnostic) { + if (symbol.flags & (16 /* SymbolFlags.Function */ | 8192 /* SymbolFlags.Method */ | 32 /* SymbolFlags.Class */ | 512 /* SymbolFlags.ValueModule */)) { + return getTypeOfSymbol(symbol); + } + if (symbol.flags & (3 /* SymbolFlags.Variable */ | 4 /* SymbolFlags.Property */)) { + if (ts.getCheckFlags(symbol) & 262144 /* CheckFlags.Mapped */) { + var origin = symbol.syntheticOrigin; + if (origin && getExplicitTypeOfSymbol(origin)) { + return getTypeOfSymbol(symbol); + } + } + var declaration = symbol.valueDeclaration; + if (declaration) { + if (isDeclarationWithExplicitTypeAnnotation(declaration)) { + return getTypeOfSymbol(symbol); + } + if (ts.isVariableDeclaration(declaration) && declaration.parent.parent.kind === 244 /* SyntaxKind.ForOfStatement */) { + var statement = declaration.parent.parent; + var expressionType = getTypeOfDottedName(statement.expression, /*diagnostic*/ undefined); + if (expressionType) { + var use = statement.awaitModifier ? 15 /* IterationUse.ForAwaitOf */ : 13 /* IterationUse.ForOf */; + return checkIteratedTypeOrElementType(use, expressionType, undefinedType, /*errorNode*/ undefined); + } + } + if (diagnostic) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(declaration, ts.Diagnostics._0_needs_an_explicit_type_annotation, symbolToString(symbol))); + } + } + } + } + // We require the dotted function name in an assertion expression to be comprised of identifiers + // that reference function, method, class or value module symbols; or variable, property or + // parameter symbols with declarations that have explicit type annotations. Such references are + // resolvable with no possibility of triggering circularities in control flow analysis. + function getTypeOfDottedName(node, diagnostic) { + if (!(node.flags & 33554432 /* NodeFlags.InWithStatement */)) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + var symbol = getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(node)); + return getExplicitTypeOfSymbol(symbol.flags & 2097152 /* SymbolFlags.Alias */ ? resolveAlias(symbol) : symbol, diagnostic); + case 108 /* SyntaxKind.ThisKeyword */: + return getExplicitThisType(node); + case 106 /* SyntaxKind.SuperKeyword */: + return checkSuperExpression(node); + case 206 /* SyntaxKind.PropertyAccessExpression */: { + var type = getTypeOfDottedName(node.expression, diagnostic); + if (type) { + var name = node.name; + var prop = void 0; + if (ts.isPrivateIdentifier(name)) { + if (!type.symbol) { + return undefined; + } + prop = getPropertyOfType(type, ts.getSymbolNameForPrivateIdentifier(type.symbol, name.escapedText)); + } + else { + prop = getPropertyOfType(type, name.escapedText); + } + return prop && getExplicitTypeOfSymbol(prop, diagnostic); + } + return undefined; + } + case 212 /* SyntaxKind.ParenthesizedExpression */: + return getTypeOfDottedName(node.expression, diagnostic); + } + } + } + function getEffectsSignature(node) { + var links = getNodeLinks(node); + var signature = links.effectsSignature; + if (signature === undefined) { + // A call expression parented by an expression statement is a potential assertion. Other call + // expressions are potential type predicate function calls. In order to avoid triggering + // circularities in control flow analysis, we use getTypeOfDottedName when resolving the call + // target expression of an assertion. + var funcType = void 0; + if (node.parent.kind === 238 /* SyntaxKind.ExpressionStatement */) { + funcType = getTypeOfDottedName(node.expression, /*diagnostic*/ undefined); + } + else if (node.expression.kind !== 106 /* SyntaxKind.SuperKeyword */) { + if (ts.isOptionalChain(node)) { + funcType = checkNonNullType(getOptionalExpressionType(checkExpression(node.expression), node.expression), node.expression); + } + else { + funcType = checkNonNullExpression(node.expression); + } + } + var signatures = getSignaturesOfType(funcType && getApparentType(funcType) || unknownType, 0 /* SignatureKind.Call */); + var candidate = signatures.length === 1 && !signatures[0].typeParameters ? signatures[0] : + ts.some(signatures, hasTypePredicateOrNeverReturnType) ? getResolvedSignature(node) : + undefined; + signature = links.effectsSignature = candidate && hasTypePredicateOrNeverReturnType(candidate) ? candidate : unknownSignature; + } + return signature === unknownSignature ? undefined : signature; + } + function hasTypePredicateOrNeverReturnType(signature) { + return !!(getTypePredicateOfSignature(signature) || + signature.declaration && (getReturnTypeFromAnnotation(signature.declaration) || unknownType).flags & 131072 /* TypeFlags.Never */); + } + function getTypePredicateArgument(predicate, callExpression) { + if (predicate.kind === 1 /* TypePredicateKind.Identifier */ || predicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */) { + return callExpression.arguments[predicate.parameterIndex]; + } + var invokedExpression = ts.skipParentheses(callExpression.expression); + return ts.isAccessExpression(invokedExpression) ? ts.skipParentheses(invokedExpression.expression) : undefined; + } + function reportFlowControlError(node) { + var block = ts.findAncestor(node, ts.isFunctionOrModuleBlock); + var sourceFile = ts.getSourceFileOfNode(node); + var span = ts.getSpanOfTokenAtPosition(sourceFile, block.statements.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.The_containing_function_or_module_body_is_too_large_for_control_flow_analysis)); + } + function isReachableFlowNode(flow) { + var result = isReachableFlowNodeWorker(flow, /*noCacheCheck*/ false); + lastFlowNode = flow; + lastFlowNodeReachable = result; + return result; + } + function isFalseExpression(expr) { + var node = ts.skipParentheses(expr, /*excludeJSDocTypeAssertions*/ true); + return node.kind === 95 /* SyntaxKind.FalseKeyword */ || node.kind === 221 /* SyntaxKind.BinaryExpression */ && (node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */ && (isFalseExpression(node.left) || isFalseExpression(node.right)) || + node.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ && isFalseExpression(node.left) && isFalseExpression(node.right)); + } + function isReachableFlowNodeWorker(flow, noCacheCheck) { + while (true) { + if (flow === lastFlowNode) { + return lastFlowNodeReachable; + } + var flags = flow.flags; + if (flags & 4096 /* FlowFlags.Shared */) { + if (!noCacheCheck) { + var id = getFlowNodeId(flow); + var reachable = flowNodeReachable[id]; + return reachable !== undefined ? reachable : (flowNodeReachable[id] = isReachableFlowNodeWorker(flow, /*noCacheCheck*/ true)); + } + noCacheCheck = false; + } + if (flags & (16 /* FlowFlags.Assignment */ | 96 /* FlowFlags.Condition */ | 256 /* FlowFlags.ArrayMutation */)) { + flow = flow.antecedent; + } + else if (flags & 512 /* FlowFlags.Call */) { + var signature = getEffectsSignature(flow.node); + if (signature) { + var predicate = getTypePredicateOfSignature(signature); + if (predicate && predicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ && !predicate.type) { + var predicateArgument = flow.node.arguments[predicate.parameterIndex]; + if (predicateArgument && isFalseExpression(predicateArgument)) { + return false; + } + } + if (getReturnTypeOfSignature(signature).flags & 131072 /* TypeFlags.Never */) { + return false; + } + } + flow = flow.antecedent; + } + else if (flags & 4 /* FlowFlags.BranchLabel */) { + // A branching point is reachable if any branch is reachable. + return ts.some(flow.antecedents, function (f) { return isReachableFlowNodeWorker(f, /*noCacheCheck*/ false); }); + } + else if (flags & 8 /* FlowFlags.LoopLabel */) { + var antecedents = flow.antecedents; + if (antecedents === undefined || antecedents.length === 0) { + return false; + } + // A loop is reachable if the control flow path that leads to the top is reachable. + flow = antecedents[0]; + } + else if (flags & 128 /* FlowFlags.SwitchClause */) { + // The control flow path representing an unmatched value in a switch statement with + // no default clause is unreachable if the switch statement is exhaustive. + if (flow.clauseStart === flow.clauseEnd && isExhaustiveSwitchStatement(flow.switchStatement)) { + return false; + } + flow = flow.antecedent; + } + else if (flags & 1024 /* FlowFlags.ReduceLabel */) { + // Cache is unreliable once we start adjusting labels + lastFlowNode = undefined; + var target = flow.target; + var saveAntecedents = target.antecedents; + target.antecedents = flow.antecedents; + var result = isReachableFlowNodeWorker(flow.antecedent, /*noCacheCheck*/ false); + target.antecedents = saveAntecedents; + return result; + } + else { + return !(flags & 1 /* FlowFlags.Unreachable */); + } + } + } + // Return true if the given flow node is preceded by a 'super(...)' call in every possible code path + // leading to the node. + function isPostSuperFlowNode(flow, noCacheCheck) { + while (true) { + var flags = flow.flags; + if (flags & 4096 /* FlowFlags.Shared */) { + if (!noCacheCheck) { + var id = getFlowNodeId(flow); + var postSuper = flowNodePostSuper[id]; + return postSuper !== undefined ? postSuper : (flowNodePostSuper[id] = isPostSuperFlowNode(flow, /*noCacheCheck*/ true)); + } + noCacheCheck = false; + } + if (flags & (16 /* FlowFlags.Assignment */ | 96 /* FlowFlags.Condition */ | 256 /* FlowFlags.ArrayMutation */ | 128 /* FlowFlags.SwitchClause */)) { + flow = flow.antecedent; + } + else if (flags & 512 /* FlowFlags.Call */) { + if (flow.node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + return true; + } + flow = flow.antecedent; + } + else if (flags & 4 /* FlowFlags.BranchLabel */) { + // A branching point is post-super if every branch is post-super. + return ts.every(flow.antecedents, function (f) { return isPostSuperFlowNode(f, /*noCacheCheck*/ false); }); + } + else if (flags & 8 /* FlowFlags.LoopLabel */) { + // A loop is post-super if the control flow path that leads to the top is post-super. + flow = flow.antecedents[0]; + } + else if (flags & 1024 /* FlowFlags.ReduceLabel */) { + var target = flow.target; + var saveAntecedents = target.antecedents; + target.antecedents = flow.antecedents; + var result = isPostSuperFlowNode(flow.antecedent, /*noCacheCheck*/ false); + target.antecedents = saveAntecedents; + return result; + } + else { + // Unreachable nodes are considered post-super to silence errors + return !!(flags & 1 /* FlowFlags.Unreachable */); + } + } + } + function isConstantReference(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: { + var symbol = getResolvedSymbol(node); + return isConstVariable(symbol) || ts.isParameterOrCatchClauseVariable(symbol) && !isSymbolAssigned(symbol); + } + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + // The resolvedSymbol property is initialized by checkPropertyAccess or checkElementAccess before we get here. + return isConstantReference(node.expression) && isReadonlySymbol(getNodeLinks(node).resolvedSymbol || unknownSymbol); + } + return false; + } + function getFlowTypeOfReference(reference, declaredType, initialType, flowContainer, flowNode) { + if (initialType === void 0) { initialType = declaredType; } + if (flowNode === void 0) { flowNode = reference.flowNode; } + var key; + var isKeySet = false; + var flowDepth = 0; + if (flowAnalysisDisabled) { + return errorType; + } + if (!flowNode) { + return declaredType; + } + flowInvocationCount++; + var sharedFlowStart = sharedFlowCount; + var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(flowNode)); + sharedFlowCount = sharedFlowStart; + // When the reference is 'x' in an 'x.length', 'x.push(value)', 'x.unshift(value)' or x[n] = value' operation, + // we give type 'any[]' to 'x' instead of using the type determined by control flow analysis such that operations + // on empty arrays are possible without implicit any errors and new element types can be inferred without + // type mismatch errors. + var resultType = ts.getObjectFlags(evolvedType) & 256 /* ObjectFlags.EvolvingArray */ && isEvolvingArrayOperationTarget(reference) ? autoArrayType : finalizeEvolvingArrayType(evolvedType); + if (resultType === unreachableNeverType || reference.parent && reference.parent.kind === 230 /* SyntaxKind.NonNullExpression */ && !(resultType.flags & 131072 /* TypeFlags.Never */) && getTypeWithFacts(resultType, 2097152 /* TypeFacts.NEUndefinedOrNull */).flags & 131072 /* TypeFlags.Never */) { + return declaredType; + } + // The non-null unknown type should never escape control flow analysis. + return resultType === nonNullUnknownType ? unknownType : resultType; + function getOrSetCacheKey() { + if (isKeySet) { + return key; + } + isKeySet = true; + return key = getFlowCacheKey(reference, declaredType, initialType, flowContainer); + } + function getTypeAtFlowNode(flow) { + if (flowDepth === 2000) { + // We have made 2000 recursive invocations. To avoid overflowing the call stack we report an error + // and disable further control flow analysis in the containing function or module body. + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("checkTypes" /* tracing.Phase.CheckTypes */, "getTypeAtFlowNode_DepthLimit", { flowId: flow.id }); + flowAnalysisDisabled = true; + reportFlowControlError(reference); + return errorType; + } + flowDepth++; + var sharedFlow; + while (true) { + var flags = flow.flags; + if (flags & 4096 /* FlowFlags.Shared */) { + // We cache results of flow type resolution for shared nodes that were previously visited in + // the same getFlowTypeOfReference invocation. A node is considered shared when it is the + // antecedent of more than one node. + for (var i = sharedFlowStart; i < sharedFlowCount; i++) { + if (sharedFlowNodes[i] === flow) { + flowDepth--; + return sharedFlowTypes[i]; + } + } + sharedFlow = flow; + } + var type = void 0; + if (flags & 16 /* FlowFlags.Assignment */) { + type = getTypeAtFlowAssignment(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flags & 512 /* FlowFlags.Call */) { + type = getTypeAtFlowCall(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flags & 96 /* FlowFlags.Condition */) { + type = getTypeAtFlowCondition(flow); + } + else if (flags & 128 /* FlowFlags.SwitchClause */) { + type = getTypeAtSwitchClause(flow); + } + else if (flags & 12 /* FlowFlags.Label */) { + if (flow.antecedents.length === 1) { + flow = flow.antecedents[0]; + continue; + } + type = flags & 4 /* FlowFlags.BranchLabel */ ? + getTypeAtFlowBranchLabel(flow) : + getTypeAtFlowLoopLabel(flow); + } + else if (flags & 256 /* FlowFlags.ArrayMutation */) { + type = getTypeAtFlowArrayMutation(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flags & 1024 /* FlowFlags.ReduceLabel */) { + var target = flow.target; + var saveAntecedents = target.antecedents; + target.antecedents = flow.antecedents; + type = getTypeAtFlowNode(flow.antecedent); + target.antecedents = saveAntecedents; + } + else if (flags & 2 /* FlowFlags.Start */) { + // Check if we should continue with the control flow of the containing function. + var container = flow.node; + if (container && container !== flowContainer && + reference.kind !== 206 /* SyntaxKind.PropertyAccessExpression */ && + reference.kind !== 207 /* SyntaxKind.ElementAccessExpression */ && + reference.kind !== 108 /* SyntaxKind.ThisKeyword */) { + flow = container.flowNode; + continue; + } + // At the top of the flow we have the initial type. + type = initialType; + } + else { + // Unreachable code errors are reported in the binding phase. Here we + // simply return the non-auto declared type to reduce follow-on errors. + type = convertAutoToAny(declaredType); + } + if (sharedFlow) { + // Record visited node and the associated type in the cache. + sharedFlowNodes[sharedFlowCount] = sharedFlow; + sharedFlowTypes[sharedFlowCount] = type; + sharedFlowCount++; + } + flowDepth--; + return type; + } + } + function getInitialOrAssignedType(flow) { + var node = flow.node; + return getNarrowableTypeForReference(node.kind === 254 /* SyntaxKind.VariableDeclaration */ || node.kind === 203 /* SyntaxKind.BindingElement */ ? + getInitialType(node) : + getAssignedType(node), reference); + } + function getTypeAtFlowAssignment(flow) { + var node = flow.node; + // Assignments only narrow the computed type if the declared type is a union type. Thus, we + // only need to evaluate the assigned type if the declared type is a union type. + if (isMatchingReference(reference, node)) { + if (!isReachableFlowNode(flow)) { + return unreachableNeverType; + } + if (ts.getAssignmentTargetKind(node) === 2 /* AssignmentKind.Compound */) { + var flowType = getTypeAtFlowNode(flow.antecedent); + return createFlowType(getBaseTypeOfLiteralType(getTypeFromFlowType(flowType)), isIncomplete(flowType)); + } + if (declaredType === autoType || declaredType === autoArrayType) { + if (isEmptyArrayAssignment(node)) { + return getEvolvingArrayType(neverType); + } + var assignedType = getWidenedLiteralType(getInitialOrAssignedType(flow)); + return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; + } + if (declaredType.flags & 1048576 /* TypeFlags.Union */) { + return getAssignmentReducedType(declaredType, getInitialOrAssignedType(flow)); + } + return declaredType; + } + // We didn't have a direct match. However, if the reference is a dotted name, this + // may be an assignment to a left hand part of the reference. For example, for a + // reference 'x.y.z', we may be at an assignment to 'x.y' or 'x'. In that case, + // return the declared type. + if (containsMatchingReference(reference, node)) { + if (!isReachableFlowNode(flow)) { + return unreachableNeverType; + } + // A matching dotted name might also be an expando property on a function *expression*, + // in which case we continue control flow analysis back to the function's declaration + if (ts.isVariableDeclaration(node) && (ts.isInJSFile(node) || ts.isVarConst(node))) { + var init = ts.getDeclaredExpandoInitializer(node); + if (init && (init.kind === 213 /* SyntaxKind.FunctionExpression */ || init.kind === 214 /* SyntaxKind.ArrowFunction */)) { + return getTypeAtFlowNode(flow.antecedent); + } + } + return declaredType; + } + // for (const _ in ref) acts as a nonnull on ref + if (ts.isVariableDeclaration(node) && node.parent.parent.kind === 243 /* SyntaxKind.ForInStatement */ && isMatchingReference(reference, node.parent.parent.expression)) { + return getNonNullableTypeIfNeeded(getTypeFromFlowType(getTypeAtFlowNode(flow.antecedent))); + } + // Assignment doesn't affect reference + return undefined; + } + function narrowTypeByAssertion(type, expr) { + var node = ts.skipParentheses(expr, /*excludeJSDocTypeAssertions*/ true); + if (node.kind === 95 /* SyntaxKind.FalseKeyword */) { + return unreachableNeverType; + } + if (node.kind === 221 /* SyntaxKind.BinaryExpression */) { + if (node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */) { + return narrowTypeByAssertion(narrowTypeByAssertion(type, node.left), node.right); + } + if (node.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */) { + return getUnionType([narrowTypeByAssertion(type, node.left), narrowTypeByAssertion(type, node.right)]); + } + } + return narrowType(type, node, /*assumeTrue*/ true); + } + function getTypeAtFlowCall(flow) { + var signature = getEffectsSignature(flow.node); + if (signature) { + var predicate = getTypePredicateOfSignature(signature); + if (predicate && (predicate.kind === 2 /* TypePredicateKind.AssertsThis */ || predicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */)) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = finalizeEvolvingArrayType(getTypeFromFlowType(flowType)); + var narrowedType = predicate.type ? narrowTypeByTypePredicate(type, predicate, flow.node, /*assumeTrue*/ true) : + predicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ && predicate.parameterIndex >= 0 && predicate.parameterIndex < flow.node.arguments.length ? narrowTypeByAssertion(type, flow.node.arguments[predicate.parameterIndex]) : + type; + return narrowedType === type ? flowType : createFlowType(narrowedType, isIncomplete(flowType)); + } + if (getReturnTypeOfSignature(signature).flags & 131072 /* TypeFlags.Never */) { + return unreachableNeverType; + } + } + return undefined; + } + function getTypeAtFlowArrayMutation(flow) { + if (declaredType === autoType || declaredType === autoArrayType) { + var node = flow.node; + var expr = node.kind === 208 /* SyntaxKind.CallExpression */ ? + node.expression.expression : + node.left.expression; + if (isMatchingReference(reference, getReferenceCandidate(expr))) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (ts.getObjectFlags(type) & 256 /* ObjectFlags.EvolvingArray */) { + var evolvedType_1 = type; + if (node.kind === 208 /* SyntaxKind.CallExpression */) { + for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { + var arg = _a[_i]; + evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, arg); + } + } + else { + // We must get the context free expression type so as to not recur in an uncached fashion on the LHS (which causes exponential blowup in compile time) + var indexType = getContextFreeTypeOfExpression(node.left.argumentExpression); + if (isTypeAssignableToKind(indexType, 296 /* TypeFlags.NumberLike */)) { + evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right); + } + } + return evolvedType_1 === type ? flowType : createFlowType(evolvedType_1, isIncomplete(flowType)); + } + return flowType; + } + } + return undefined; + } + function getTypeAtFlowCondition(flow) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (type.flags & 131072 /* TypeFlags.Never */) { + return flowType; + } + // If we have an antecedent type (meaning we're reachable in some way), we first + // attempt to narrow the antecedent type. If that produces the never type, and if + // the antecedent type is incomplete (i.e. a transient type in a loop), then we + // take the type guard as an indication that control *could* reach here once we + // have the complete type. We proceed by switching to the silent never type which + // doesn't report errors when operators are applied to it. Note that this is the + // *only* place a silent never type is ever generated. + var assumeTrue = (flow.flags & 32 /* FlowFlags.TrueCondition */) !== 0; + var nonEvolvingType = finalizeEvolvingArrayType(type); + var narrowedType = narrowType(nonEvolvingType, flow.node, assumeTrue); + if (narrowedType === nonEvolvingType) { + return flowType; + } + return createFlowType(narrowedType, isIncomplete(flowType)); + } + function getTypeAtSwitchClause(flow) { + var expr = flow.switchStatement.expression; + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (isMatchingReference(reference, expr)) { + type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd); + } + else if (expr.kind === 216 /* SyntaxKind.TypeOfExpression */ && isMatchingReference(reference, expr.expression)) { + type = narrowBySwitchOnTypeOf(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd); + } + else { + if (strictNullChecks) { + if (optionalChainContainsReference(expr, reference)) { + type = narrowTypeBySwitchOptionalChainContainment(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd, function (t) { return !(t.flags & (32768 /* TypeFlags.Undefined */ | 131072 /* TypeFlags.Never */)); }); + } + else if (expr.kind === 216 /* SyntaxKind.TypeOfExpression */ && optionalChainContainsReference(expr.expression, reference)) { + type = narrowTypeBySwitchOptionalChainContainment(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd, function (t) { return !(t.flags & 131072 /* TypeFlags.Never */ || t.flags & 128 /* TypeFlags.StringLiteral */ && t.value === "undefined"); }); + } + } + var access = getDiscriminantPropertyAccess(expr, type); + if (access) { + type = narrowTypeBySwitchOnDiscriminantProperty(type, access, flow.switchStatement, flow.clauseStart, flow.clauseEnd); + } + } + return createFlowType(type, isIncomplete(flowType)); + } + function getTypeAtFlowBranchLabel(flow) { + var antecedentTypes = []; + var subtypeReduction = false; + var seenIncomplete = false; + var bypassFlow; + for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { + var antecedent = _a[_i]; + if (!bypassFlow && antecedent.flags & 128 /* FlowFlags.SwitchClause */ && antecedent.clauseStart === antecedent.clauseEnd) { + // The antecedent is the bypass branch of a potentially exhaustive switch statement. + bypassFlow = antecedent; + continue; + } + var flowType = getTypeAtFlowNode(antecedent); + var type = getTypeFromFlowType(flowType); + // If the type at a particular antecedent path is the declared type and the + // reference is known to always be assigned (i.e. when declared and initial types + // are the same), there is no reason to process more antecedents since the only + // possible outcome is subtypes that will be removed in the final union type anyway. + if (type === declaredType && declaredType === initialType) { + return type; + } + ts.pushIfUnique(antecedentTypes, type); + // If an antecedent type is not a subset of the declared type, we need to perform + // subtype reduction. This happens when a "foreign" type is injected into the control + // flow using the instanceof operator or a user defined type predicate. + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; + } + if (isIncomplete(flowType)) { + seenIncomplete = true; + } + } + if (bypassFlow) { + var flowType = getTypeAtFlowNode(bypassFlow); + var type = getTypeFromFlowType(flowType); + // If the bypass flow contributes a type we haven't seen yet and the switch statement + // isn't exhaustive, process the bypass flow type. Since exhaustiveness checks increase + // the risk of circularities, we only want to perform them when they make a difference. + if (!ts.contains(antecedentTypes, type) && !isExhaustiveSwitchStatement(bypassFlow.switchStatement)) { + if (type === declaredType && declaredType === initialType) { + return type; + } + antecedentTypes.push(type); + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; + } + if (isIncomplete(flowType)) { + seenIncomplete = true; + } + } + } + return createFlowType(getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction ? 2 /* UnionReduction.Subtype */ : 1 /* UnionReduction.Literal */), seenIncomplete); + } + function getTypeAtFlowLoopLabel(flow) { + // If we have previously computed the control flow type for the reference at + // this flow loop junction, return the cached type. + var id = getFlowNodeId(flow); + var cache = flowLoopCaches[id] || (flowLoopCaches[id] = new ts.Map()); + var key = getOrSetCacheKey(); + if (!key) { + // No cache key is generated when binding patterns are in unnarrowable situations + return declaredType; + } + var cached = cache.get(key); + if (cached) { + return cached; + } + // If this flow loop junction and reference are already being processed, return + // the union of the types computed for each branch so far, marked as incomplete. + // It is possible to see an empty array in cases where loops are nested and the + // back edge of the outer loop reaches an inner loop that is already being analyzed. + // In such cases we restart the analysis of the inner loop, which will then see + // a non-empty in-process array for the outer loop and eventually terminate because + // the first antecedent of a loop junction is always the non-looping control flow + // path that leads to the top. + for (var i = flowLoopStart; i < flowLoopCount; i++) { + if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key && flowLoopTypes[i].length) { + return createFlowType(getUnionOrEvolvingArrayType(flowLoopTypes[i], 1 /* UnionReduction.Literal */), /*incomplete*/ true); + } + } + // Add the flow loop junction and reference to the in-process stack and analyze + // each antecedent code path. + var antecedentTypes = []; + var subtypeReduction = false; + var firstAntecedentType; + for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { + var antecedent = _a[_i]; + var flowType = void 0; + if (!firstAntecedentType) { + // The first antecedent of a loop junction is always the non-looping control + // flow path that leads to the top. + flowType = firstAntecedentType = getTypeAtFlowNode(antecedent); + } + else { + // All but the first antecedent are the looping control flow paths that lead + // back to the loop junction. We track these on the flow loop stack. + flowLoopNodes[flowLoopCount] = flow; + flowLoopKeys[flowLoopCount] = key; + flowLoopTypes[flowLoopCount] = antecedentTypes; + flowLoopCount++; + var saveFlowTypeCache = flowTypeCache; + flowTypeCache = undefined; + flowType = getTypeAtFlowNode(antecedent); + flowTypeCache = saveFlowTypeCache; + flowLoopCount--; + // If we see a value appear in the cache it is a sign that control flow analysis + // was restarted and completed by checkExpressionCached. We can simply pick up + // the resulting type and bail out. + var cached_1 = cache.get(key); + if (cached_1) { + return cached_1; + } + } + var type = getTypeFromFlowType(flowType); + ts.pushIfUnique(antecedentTypes, type); + // If an antecedent type is not a subset of the declared type, we need to perform + // subtype reduction. This happens when a "foreign" type is injected into the control + // flow using the instanceof operator or a user defined type predicate. + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; + } + // If the type at a particular antecedent path is the declared type there is no + // reason to process more antecedents since the only possible outcome is subtypes + // that will be removed in the final union type anyway. + if (type === declaredType) { + break; + } + } + // The result is incomplete if the first antecedent (the non-looping control flow path) + // is incomplete. + var result = getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction ? 2 /* UnionReduction.Subtype */ : 1 /* UnionReduction.Literal */); + if (isIncomplete(firstAntecedentType)) { + return createFlowType(result, /*incomplete*/ true); + } + cache.set(key, result); + return result; + } + // At flow control branch or loop junctions, if the type along every antecedent code path + // is an evolving array type, we construct a combined evolving array type. Otherwise we + // finalize all evolving array types. + function getUnionOrEvolvingArrayType(types, subtypeReduction) { + if (isEvolvingArrayTypeList(types)) { + return getEvolvingArrayType(getUnionType(ts.map(types, getElementTypeOfEvolvingArrayType))); + } + var result = getUnionType(ts.sameMap(types, finalizeEvolvingArrayType), subtypeReduction); + if (result !== declaredType && result.flags & declaredType.flags & 1048576 /* TypeFlags.Union */ && ts.arraysEqual(result.types, declaredType.types)) { + return declaredType; + } + return result; + } + function getCandidateDiscriminantPropertyAccess(expr) { + if (ts.isBindingPattern(reference) || ts.isFunctionExpressionOrArrowFunction(reference) || ts.isObjectLiteralMethod(reference)) { + // When the reference is a binding pattern or function or arrow expression, we are narrowing a pesudo-reference in + // getNarrowedTypeOfSymbol. An identifier for a destructuring variable declared in the same binding pattern or + // parameter declared in the same parameter list is a candidate. + if (ts.isIdentifier(expr)) { + var symbol = getResolvedSymbol(expr); + var declaration = symbol.valueDeclaration; + if (declaration && (ts.isBindingElement(declaration) || ts.isParameter(declaration)) && reference === declaration.parent && !declaration.initializer && !declaration.dotDotDotToken) { + return declaration; + } + } + } + else if (ts.isAccessExpression(expr)) { + // An access expression is a candidate if the reference matches the left hand expression. + if (isMatchingReference(reference, expr.expression)) { + return expr; + } + } + else if (ts.isIdentifier(expr)) { + var symbol = getResolvedSymbol(expr); + if (isConstVariable(symbol)) { + var declaration = symbol.valueDeclaration; + // Given 'const x = obj.kind', allow 'x' as an alias for 'obj.kind' + if (ts.isVariableDeclaration(declaration) && !declaration.type && declaration.initializer && ts.isAccessExpression(declaration.initializer) && + isMatchingReference(reference, declaration.initializer.expression)) { + return declaration.initializer; + } + // Given 'const { kind: x } = obj', allow 'x' as an alias for 'obj.kind' + if (ts.isBindingElement(declaration) && !declaration.initializer) { + var parent = declaration.parent.parent; + if (ts.isVariableDeclaration(parent) && !parent.type && parent.initializer && (ts.isIdentifier(parent.initializer) || ts.isAccessExpression(parent.initializer)) && + isMatchingReference(reference, parent.initializer)) { + return declaration; + } + } + } + } + return undefined; + } + function getDiscriminantPropertyAccess(expr, computedType) { + var type = declaredType.flags & 1048576 /* TypeFlags.Union */ ? declaredType : computedType; + if (type.flags & 1048576 /* TypeFlags.Union */) { + var access = getCandidateDiscriminantPropertyAccess(expr); + if (access) { + var name = getAccessedPropertyName(access); + if (name && isDiscriminantProperty(type, name)) { + return access; + } + } + } + return undefined; + } + function narrowTypeByDiscriminant(type, access, narrowType) { + var propName = getAccessedPropertyName(access); + if (propName === undefined) { + return type; + } + var removeNullable = strictNullChecks && ts.isOptionalChain(access) && maybeTypeOfKind(type, 98304 /* TypeFlags.Nullable */); + var propType = getTypeOfPropertyOfType(removeNullable ? getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */) : type, propName); + if (!propType) { + return type; + } + propType = removeNullable ? getOptionalType(propType) : propType; + var narrowedPropType = narrowType(propType); + return filterType(type, function (t) { + var discriminantType = getTypeOfPropertyOrIndexSignature(t, propName); + return !(narrowedPropType.flags & 131072 /* TypeFlags.Never */) && isTypeComparableTo(narrowedPropType, discriminantType); + }); + } + function narrowTypeByDiscriminantProperty(type, access, operator, value, assumeTrue) { + if ((operator === 36 /* SyntaxKind.EqualsEqualsEqualsToken */ || operator === 37 /* SyntaxKind.ExclamationEqualsEqualsToken */) && type.flags & 1048576 /* TypeFlags.Union */) { + var keyPropertyName = getKeyPropertyName(type); + if (keyPropertyName && keyPropertyName === getAccessedPropertyName(access)) { + var candidate = getConstituentTypeForKeyType(type, getTypeOfExpression(value)); + if (candidate) { + return operator === (assumeTrue ? 36 /* SyntaxKind.EqualsEqualsEqualsToken */ : 37 /* SyntaxKind.ExclamationEqualsEqualsToken */) ? candidate : + isUnitType(getTypeOfPropertyOfType(candidate, keyPropertyName) || unknownType) ? removeType(type, candidate) : + type; + } + } + } + return narrowTypeByDiscriminant(type, access, function (t) { return narrowTypeByEquality(t, operator, value, assumeTrue); }); + } + function narrowTypeBySwitchOnDiscriminantProperty(type, access, switchStatement, clauseStart, clauseEnd) { + if (clauseStart < clauseEnd && type.flags & 1048576 /* TypeFlags.Union */ && getKeyPropertyName(type) === getAccessedPropertyName(access)) { + var clauseTypes = getSwitchClauseTypes(switchStatement).slice(clauseStart, clauseEnd); + var candidate = getUnionType(ts.map(clauseTypes, function (t) { return getConstituentTypeForKeyType(type, t) || unknownType; })); + if (candidate !== unknownType) { + return candidate; + } + } + return narrowTypeByDiscriminant(type, access, function (t) { return narrowTypeBySwitchOnDiscriminant(t, switchStatement, clauseStart, clauseEnd); }); + } + function narrowTypeByTruthiness(type, expr, assumeTrue) { + if (isMatchingReference(reference, expr)) { + return type.flags & 2 /* TypeFlags.Unknown */ && assumeTrue ? nonNullUnknownType : + getTypeWithFacts(type, assumeTrue ? 4194304 /* TypeFacts.Truthy */ : 8388608 /* TypeFacts.Falsy */); + } + if (strictNullChecks && assumeTrue && optionalChainContainsReference(expr, reference)) { + type = getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */); + } + var access = getDiscriminantPropertyAccess(expr, type); + if (access) { + return narrowTypeByDiscriminant(type, access, function (t) { return getTypeWithFacts(t, assumeTrue ? 4194304 /* TypeFacts.Truthy */ : 8388608 /* TypeFacts.Falsy */); }); + } + return type; + } + function isTypePresencePossible(type, propName, assumeTrue) { + var prop = getPropertyOfType(type, propName); + if (prop) { + return prop.flags & 16777216 /* SymbolFlags.Optional */ ? true : assumeTrue; + } + return getApplicableIndexInfoForName(type, propName) ? true : !assumeTrue; + } + function narrowByInKeyword(type, name, assumeTrue) { + if (type.flags & 1048576 /* TypeFlags.Union */ + || type.flags & 524288 /* TypeFlags.Object */ && declaredType !== type + || ts.isThisTypeParameter(type) + || type.flags & 2097152 /* TypeFlags.Intersection */ && ts.every(type.types, function (t) { return t.symbol !== globalThisSymbol; })) { + return filterType(type, function (t) { return isTypePresencePossible(t, name, assumeTrue); }); + } + return type; + } + function narrowTypeByBinaryExpression(type, expr, assumeTrue) { + switch (expr.operatorToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + case 75 /* SyntaxKind.BarBarEqualsToken */: + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: + return narrowTypeByTruthiness(narrowType(type, expr.right, assumeTrue), expr.left, assumeTrue); + case 34 /* SyntaxKind.EqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + var operator = expr.operatorToken.kind; + var left = getReferenceCandidate(expr.left); + var right = getReferenceCandidate(expr.right); + if (left.kind === 216 /* SyntaxKind.TypeOfExpression */ && ts.isStringLiteralLike(right)) { + return narrowTypeByTypeof(type, left, operator, right, assumeTrue); + } + if (right.kind === 216 /* SyntaxKind.TypeOfExpression */ && ts.isStringLiteralLike(left)) { + return narrowTypeByTypeof(type, right, operator, left, assumeTrue); + } + if (isMatchingReference(reference, left)) { + return narrowTypeByEquality(type, operator, right, assumeTrue); + } + if (isMatchingReference(reference, right)) { + return narrowTypeByEquality(type, operator, left, assumeTrue); + } + if (strictNullChecks) { + if (optionalChainContainsReference(left, reference)) { + type = narrowTypeByOptionalChainContainment(type, operator, right, assumeTrue); + } + else if (optionalChainContainsReference(right, reference)) { + type = narrowTypeByOptionalChainContainment(type, operator, left, assumeTrue); + } + } + var leftAccess = getDiscriminantPropertyAccess(left, type); + if (leftAccess) { + return narrowTypeByDiscriminantProperty(type, leftAccess, operator, right, assumeTrue); + } + var rightAccess = getDiscriminantPropertyAccess(right, type); + if (rightAccess) { + return narrowTypeByDiscriminantProperty(type, rightAccess, operator, left, assumeTrue); + } + if (isMatchingConstructorReference(left)) { + return narrowTypeByConstructor(type, operator, right, assumeTrue); + } + if (isMatchingConstructorReference(right)) { + return narrowTypeByConstructor(type, operator, left, assumeTrue); + } + break; + case 102 /* SyntaxKind.InstanceOfKeyword */: + return narrowTypeByInstanceof(type, expr, assumeTrue); + case 101 /* SyntaxKind.InKeyword */: + if (ts.isPrivateIdentifier(expr.left)) { + return narrowTypeByPrivateIdentifierInInExpression(type, expr, assumeTrue); + } + var target = getReferenceCandidate(expr.right); + var leftType = getTypeOfNode(expr.left); + if (leftType.flags & 128 /* TypeFlags.StringLiteral */) { + var name = ts.escapeLeadingUnderscores(leftType.value); + if (containsMissingType(type) && ts.isAccessExpression(reference) && isMatchingReference(reference.expression, target) && + getAccessedPropertyName(reference) === name) { + return getTypeWithFacts(type, assumeTrue ? 524288 /* TypeFacts.NEUndefined */ : 65536 /* TypeFacts.EQUndefined */); + } + if (isMatchingReference(reference, target)) { + return narrowByInKeyword(type, name, assumeTrue); + } + } + break; + case 27 /* SyntaxKind.CommaToken */: + return narrowType(type, expr.right, assumeTrue); + // Ordinarily we won't see && and || expressions in control flow analysis because the Binder breaks those + // expressions down to individual conditional control flows. However, we may encounter them when analyzing + // aliased conditional expressions. + case 55 /* SyntaxKind.AmpersandAmpersandToken */: + return assumeTrue ? + narrowType(narrowType(type, expr.left, /*assumeTrue*/ true), expr.right, /*assumeTrue*/ true) : + getUnionType([narrowType(type, expr.left, /*assumeTrue*/ false), narrowType(type, expr.right, /*assumeTrue*/ false)]); + case 56 /* SyntaxKind.BarBarToken */: + return assumeTrue ? + getUnionType([narrowType(type, expr.left, /*assumeTrue*/ true), narrowType(type, expr.right, /*assumeTrue*/ true)]) : + narrowType(narrowType(type, expr.left, /*assumeTrue*/ false), expr.right, /*assumeTrue*/ false); + } + return type; + } + function narrowTypeByPrivateIdentifierInInExpression(type, expr, assumeTrue) { + var target = getReferenceCandidate(expr.right); + if (!isMatchingReference(reference, target)) { + return type; + } + ts.Debug.assertNode(expr.left, ts.isPrivateIdentifier); + var symbol = getSymbolForPrivateIdentifierExpression(expr.left); + if (symbol === undefined) { + return type; + } + var classSymbol = symbol.parent; + var targetType = ts.hasStaticModifier(ts.Debug.checkDefined(symbol.valueDeclaration, "should always have a declaration")) + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); + return getNarrowedType(type, targetType, assumeTrue, isTypeDerivedFrom); + } + function narrowTypeByOptionalChainContainment(type, operator, value, assumeTrue) { + // We are in a branch of obj?.foo === value (or any one of the other equality operators). We narrow obj as follows: + // When operator is === and type of value excludes undefined, null and undefined is removed from type of obj in true branch. + // When operator is !== and type of value excludes undefined, null and undefined is removed from type of obj in false branch. + // When operator is == and type of value excludes null and undefined, null and undefined is removed from type of obj in true branch. + // When operator is != and type of value excludes null and undefined, null and undefined is removed from type of obj in false branch. + // When operator is === and type of value is undefined, null and undefined is removed from type of obj in false branch. + // When operator is !== and type of value is undefined, null and undefined is removed from type of obj in true branch. + // When operator is == and type of value is null or undefined, null and undefined is removed from type of obj in false branch. + // When operator is != and type of value is null or undefined, null and undefined is removed from type of obj in true branch. + var equalsOperator = operator === 34 /* SyntaxKind.EqualsEqualsToken */ || operator === 36 /* SyntaxKind.EqualsEqualsEqualsToken */; + var nullableFlags = operator === 34 /* SyntaxKind.EqualsEqualsToken */ || operator === 35 /* SyntaxKind.ExclamationEqualsToken */ ? 98304 /* TypeFlags.Nullable */ : 32768 /* TypeFlags.Undefined */; + var valueType = getTypeOfExpression(value); + // Note that we include any and unknown in the exclusion test because their domain includes null and undefined. + var removeNullable = equalsOperator !== assumeTrue && everyType(valueType, function (t) { return !!(t.flags & nullableFlags); }) || + equalsOperator === assumeTrue && everyType(valueType, function (t) { return !(t.flags & (3 /* TypeFlags.AnyOrUnknown */ | nullableFlags)); }); + return removeNullable ? getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */) : type; + } + function narrowTypeByEquality(type, operator, value, assumeTrue) { + if (type.flags & 1 /* TypeFlags.Any */) { + return type; + } + if (operator === 35 /* SyntaxKind.ExclamationEqualsToken */ || operator === 37 /* SyntaxKind.ExclamationEqualsEqualsToken */) { + assumeTrue = !assumeTrue; + } + var valueType = getTypeOfExpression(value); + if (assumeTrue && (type.flags & 2 /* TypeFlags.Unknown */) && (operator === 34 /* SyntaxKind.EqualsEqualsToken */ || operator === 35 /* SyntaxKind.ExclamationEqualsToken */) && (valueType.flags & 65536 /* TypeFlags.Null */)) { + return getUnionType([nullType, undefinedType]); + } + if ((type.flags & 2 /* TypeFlags.Unknown */) && assumeTrue && (operator === 36 /* SyntaxKind.EqualsEqualsEqualsToken */ || operator === 37 /* SyntaxKind.ExclamationEqualsEqualsToken */)) { + if (valueType.flags & (131068 /* TypeFlags.Primitive */ | 67108864 /* TypeFlags.NonPrimitive */)) { + return valueType; + } + if (valueType.flags & 524288 /* TypeFlags.Object */) { + return nonPrimitiveType; + } + return type; + } + if (valueType.flags & 98304 /* TypeFlags.Nullable */) { + if (!strictNullChecks) { + return type; + } + var doubleEquals = operator === 34 /* SyntaxKind.EqualsEqualsToken */ || operator === 35 /* SyntaxKind.ExclamationEqualsToken */; + var facts = doubleEquals ? + assumeTrue ? 262144 /* TypeFacts.EQUndefinedOrNull */ : 2097152 /* TypeFacts.NEUndefinedOrNull */ : + valueType.flags & 65536 /* TypeFlags.Null */ ? + assumeTrue ? 131072 /* TypeFacts.EQNull */ : 1048576 /* TypeFacts.NENull */ : + assumeTrue ? 65536 /* TypeFacts.EQUndefined */ : 524288 /* TypeFacts.NEUndefined */; + return type.flags & 2 /* TypeFlags.Unknown */ && facts & (1048576 /* TypeFacts.NENull */ | 2097152 /* TypeFacts.NEUndefinedOrNull */) ? nonNullUnknownType : getTypeWithFacts(type, facts); + } + if (assumeTrue) { + var filterFn = operator === 34 /* SyntaxKind.EqualsEqualsToken */ ? + function (t) { return areTypesComparable(t, valueType) || isCoercibleUnderDoubleEquals(t, valueType); } : + function (t) { return areTypesComparable(t, valueType); }; + return replacePrimitivesWithLiterals(filterType(type, filterFn), valueType); + } + if (isUnitType(valueType)) { + return filterType(type, function (t) { return !(isUnitLikeType(t) && areTypesComparable(t, valueType)); }); + } + return type; + } + function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) { + // We have '==', '!=', '===', or !==' operator with 'typeof xxx' and string literal operands + if (operator === 35 /* SyntaxKind.ExclamationEqualsToken */ || operator === 37 /* SyntaxKind.ExclamationEqualsEqualsToken */) { + assumeTrue = !assumeTrue; + } + var target = getReferenceCandidate(typeOfExpr.expression); + if (!isMatchingReference(reference, target)) { + if (strictNullChecks && optionalChainContainsReference(target, reference) && assumeTrue === (literal.text !== "undefined")) { + return getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */); + } + return type; + } + if (type.flags & 1 /* TypeFlags.Any */ && literal.text === "function") { + return type; + } + if (assumeTrue && type.flags & 2 /* TypeFlags.Unknown */ && literal.text === "object") { + // The non-null unknown type is used to track whether a previous narrowing operation has removed the null type + // from the unknown type. For example, the expression `x && typeof x === 'object'` first narrows x to the non-null + // unknown type, and then narrows that to the non-primitive type. + return type === nonNullUnknownType ? nonPrimitiveType : getUnionType([nonPrimitiveType, nullType]); + } + var facts = assumeTrue ? + typeofEQFacts.get(literal.text) || 128 /* TypeFacts.TypeofEQHostObject */ : + typeofNEFacts.get(literal.text) || 32768 /* TypeFacts.TypeofNEHostObject */; + var impliedType = getImpliedTypeFromTypeofGuard(type, literal.text); + return getTypeWithFacts(assumeTrue && impliedType ? mapType(type, narrowUnionMemberByTypeof(impliedType)) : type, facts); + } + function narrowTypeBySwitchOptionalChainContainment(type, switchStatement, clauseStart, clauseEnd, clauseCheck) { + var everyClauseChecks = clauseStart !== clauseEnd && ts.every(getSwitchClauseTypes(switchStatement).slice(clauseStart, clauseEnd), clauseCheck); + return everyClauseChecks ? getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */) : type; + } + function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) { + // We only narrow if all case expressions specify + // values with unit types, except for the case where + // `type` is unknown. In this instance we map object + // types to the nonPrimitive type and narrow with that. + var switchTypes = getSwitchClauseTypes(switchStatement); + if (!switchTypes.length) { + return type; + } + var clauseTypes = switchTypes.slice(clauseStart, clauseEnd); + var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType); + if ((type.flags & 2 /* TypeFlags.Unknown */) && !hasDefaultClause) { + var groundClauseTypes = void 0; + for (var i = 0; i < clauseTypes.length; i += 1) { + var t = clauseTypes[i]; + if (t.flags & (131068 /* TypeFlags.Primitive */ | 67108864 /* TypeFlags.NonPrimitive */)) { + if (groundClauseTypes !== undefined) { + groundClauseTypes.push(t); + } + } + else if (t.flags & 524288 /* TypeFlags.Object */) { + if (groundClauseTypes === undefined) { + groundClauseTypes = clauseTypes.slice(0, i); + } + groundClauseTypes.push(nonPrimitiveType); + } + else { + return type; + } + } + return getUnionType(groundClauseTypes === undefined ? clauseTypes : groundClauseTypes); + } + var discriminantType = getUnionType(clauseTypes); + var caseType = discriminantType.flags & 131072 /* TypeFlags.Never */ ? neverType : + replacePrimitivesWithLiterals(filterType(type, function (t) { return areTypesComparable(discriminantType, t); }), discriminantType); + if (!hasDefaultClause) { + return caseType; + } + var defaultType = filterType(type, function (t) { return !(isUnitLikeType(t) && ts.contains(switchTypes, getRegularTypeOfLiteralType(extractUnitType(t)))); }); + return caseType.flags & 131072 /* TypeFlags.Never */ ? defaultType : getUnionType([caseType, defaultType]); + } + function getImpliedTypeFromTypeofGuard(type, text) { + switch (text) { + case "function": + return type.flags & 1 /* TypeFlags.Any */ ? type : globalFunctionType; + case "object": + return type.flags & 2 /* TypeFlags.Unknown */ ? getUnionType([nonPrimitiveType, nullType]) : type; + default: + return typeofTypesByName.get(text); + } + } + // When narrowing a union type by a `typeof` guard using type-facts alone, constituent types that are + // super-types of the implied guard will be retained in the final type: this is because type-facts only + // filter. Instead, we would like to replace those union constituents with the more precise type implied by + // the guard. For example: narrowing `{} | undefined` by `"boolean"` should produce the type `boolean`, not + // the filtered type `{}`. For this reason we narrow constituents of the union individually, in addition to + // filtering by type-facts. + function narrowUnionMemberByTypeof(candidate) { + return function (type) { + if (isTypeSubtypeOf(type, candidate)) { + return type; + } + if (isTypeSubtypeOf(candidate, type)) { + return candidate; + } + if (type.flags & 465829888 /* TypeFlags.Instantiable */) { + var constraint = getBaseConstraintOfType(type) || anyType; + if (isTypeSubtypeOf(candidate, constraint)) { + return getIntersectionType([type, candidate]); + } + } + return type; + }; + } + function narrowBySwitchOnTypeOf(type, switchStatement, clauseStart, clauseEnd) { + var switchWitnesses = getSwitchClauseTypeOfWitnesses(switchStatement, /*retainDefault*/ true); + if (!switchWitnesses.length) { + return type; + } + // Equal start and end denotes implicit fallthrough; undefined marks explicit default clause + var defaultCaseLocation = ts.findIndex(switchWitnesses, function (elem) { return elem === undefined; }); + var hasDefaultClause = clauseStart === clauseEnd || (defaultCaseLocation >= clauseStart && defaultCaseLocation < clauseEnd); + var clauseWitnesses; + var switchFacts; + if (defaultCaseLocation > -1) { + // We no longer need the undefined denoting an explicit default case. Remove the undefined and + // fix-up clauseStart and clauseEnd. This means that we don't have to worry about undefined in the + // witness array. + var witnesses = switchWitnesses.filter(function (witness) { return witness !== undefined; }); + // The adjusted clause start and end after removing the `default` statement. + var fixedClauseStart = defaultCaseLocation < clauseStart ? clauseStart - 1 : clauseStart; + var fixedClauseEnd = defaultCaseLocation < clauseEnd ? clauseEnd - 1 : clauseEnd; + clauseWitnesses = witnesses.slice(fixedClauseStart, fixedClauseEnd); + switchFacts = getFactsFromTypeofSwitch(fixedClauseStart, fixedClauseEnd, witnesses, hasDefaultClause); + } + else { + clauseWitnesses = switchWitnesses.slice(clauseStart, clauseEnd); + switchFacts = getFactsFromTypeofSwitch(clauseStart, clauseEnd, switchWitnesses, hasDefaultClause); + } + if (hasDefaultClause) { + return filterType(type, function (t) { return (getTypeFacts(t) & switchFacts) === switchFacts; }); + } + /* + The implied type is the raw type suggested by a + value being caught in this clause. + + When the clause contains a default case we ignore + the implied type and try to narrow using any facts + we can learn: see `switchFacts`. + + Example: + switch (typeof x) { + case 'number': + case 'string': break; + default: break; + case 'number': + case 'boolean': break + } + + In the first clause (case `number` and `string`) the + implied type is number | string. + + In the default clause we de not compute an implied type. + + In the third clause (case `number` and `boolean`) + the naive implied type is number | boolean, however + we use the type facts to narrow the implied type to + boolean. We know that number cannot be selected + because it is caught in the first clause. + */ + var impliedType = getTypeWithFacts(getUnionType(clauseWitnesses.map(function (text) { return getImpliedTypeFromTypeofGuard(type, text) || type; })), switchFacts); + return getTypeWithFacts(mapType(type, narrowUnionMemberByTypeof(impliedType)), switchFacts); + } + function isMatchingConstructorReference(expr) { + return (ts.isPropertyAccessExpression(expr) && ts.idText(expr.name) === "constructor" || + ts.isElementAccessExpression(expr) && ts.isStringLiteralLike(expr.argumentExpression) && expr.argumentExpression.text === "constructor") && + isMatchingReference(reference, expr.expression); + } + function narrowTypeByConstructor(type, operator, identifier, assumeTrue) { + // Do not narrow when checking inequality. + if (assumeTrue ? (operator !== 34 /* SyntaxKind.EqualsEqualsToken */ && operator !== 36 /* SyntaxKind.EqualsEqualsEqualsToken */) : (operator !== 35 /* SyntaxKind.ExclamationEqualsToken */ && operator !== 37 /* SyntaxKind.ExclamationEqualsEqualsToken */)) { + return type; + } + // Get the type of the constructor identifier expression, if it is not a function then do not narrow. + var identifierType = getTypeOfExpression(identifier); + if (!isFunctionType(identifierType) && !isConstructorType(identifierType)) { + return type; + } + // Get the prototype property of the type identifier so we can find out its type. + var prototypeProperty = getPropertyOfType(identifierType, "prototype"); + if (!prototypeProperty) { + return type; + } + // Get the type of the prototype, if it is undefined, or the global `Object` or `Function` types then do not narrow. + var prototypeType = getTypeOfSymbol(prototypeProperty); + var candidate = !isTypeAny(prototypeType) ? prototypeType : undefined; + if (!candidate || candidate === globalObjectType || candidate === globalFunctionType) { + return type; + } + // If the type that is being narrowed is `any` then just return the `candidate` type since every type is a subtype of `any`. + if (isTypeAny(type)) { + return candidate; + } + // Filter out types that are not considered to be "constructed by" the `candidate` type. + return filterType(type, function (t) { return isConstructedBy(t, candidate); }); + function isConstructedBy(source, target) { + // If either the source or target type are a class type then we need to check that they are the same exact type. + // This is because you may have a class `A` that defines some set of properties, and another class `B` + // that defines the same set of properties as class `A`, in that case they are structurally the same + // type, but when you do something like `instanceOfA.constructor === B` it will return false. + if (source.flags & 524288 /* TypeFlags.Object */ && ts.getObjectFlags(source) & 1 /* ObjectFlags.Class */ || + target.flags & 524288 /* TypeFlags.Object */ && ts.getObjectFlags(target) & 1 /* ObjectFlags.Class */) { + return source.symbol === target.symbol; + } + // For all other types just check that the `source` type is a subtype of the `target` type. + return isTypeSubtypeOf(source, target); + } + } + function narrowTypeByInstanceof(type, expr, assumeTrue) { + var left = getReferenceCandidate(expr.left); + if (!isMatchingReference(reference, left)) { + if (assumeTrue && strictNullChecks && optionalChainContainsReference(left, reference)) { + return getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */); + } + return type; + } + // Check that right operand is a function type with a prototype property + var rightType = getTypeOfExpression(expr.right); + if (!isTypeDerivedFrom(rightType, globalFunctionType)) { + return type; + } + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + // Target type is type of the prototype property + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; + } + } + // Don't narrow from 'any' if the target type is exactly 'Object' or 'Function' + if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) { + return type; + } + if (!targetType) { + var constructSignatures = getSignaturesOfType(rightType, 1 /* SignatureKind.Construct */); + targetType = constructSignatures.length ? + getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })) : + emptyObjectType; + } + // We can't narrow a union based off instanceof without negated types see #31576 for more info + if (!assumeTrue && rightType.flags & 1048576 /* TypeFlags.Union */) { + var nonConstructorTypeInUnion = ts.find(rightType.types, function (t) { return !isConstructorType(t); }); + if (!nonConstructorTypeInUnion) + return type; + } + return getNarrowedType(type, targetType, assumeTrue, isTypeDerivedFrom); + } + function getNarrowedType(type, candidate, assumeTrue, isRelated) { + if (!assumeTrue) { + return filterType(type, function (t) { return !isRelated(t, candidate); }); + } + // If the current type is a union type, remove all constituents that couldn't be instances of + // the candidate type. If one or more constituents remain, return a union of those. + if (type.flags & 1048576 /* TypeFlags.Union */) { + var assignableType = filterType(type, function (t) { return isRelated(t, candidate); }); + if (!(assignableType.flags & 131072 /* TypeFlags.Never */)) { + return assignableType; + } + } + // If the candidate type is a subtype of the target type, narrow to the candidate type. + // Otherwise, if the target type is assignable to the candidate type, keep the target type. + // Otherwise, if the candidate type is assignable to the target type, narrow to the candidate + // type. Otherwise, the types are completely unrelated, so narrow to an intersection of the + // two types. + return isTypeSubtypeOf(candidate, type) ? candidate : + isTypeAssignableTo(type, candidate) ? type : + isTypeAssignableTo(candidate, type) ? candidate : + getIntersectionType([type, candidate]); + } + function narrowTypeByCallExpression(type, callExpression, assumeTrue) { + if (hasMatchingArgument(callExpression, reference)) { + var signature = assumeTrue || !ts.isCallChain(callExpression) ? getEffectsSignature(callExpression) : undefined; + var predicate = signature && getTypePredicateOfSignature(signature); + if (predicate && (predicate.kind === 0 /* TypePredicateKind.This */ || predicate.kind === 1 /* TypePredicateKind.Identifier */)) { + return narrowTypeByTypePredicate(type, predicate, callExpression, assumeTrue); + } + } + if (containsMissingType(type) && ts.isAccessExpression(reference) && ts.isPropertyAccessExpression(callExpression.expression)) { + var callAccess = callExpression.expression; + if (isMatchingReference(reference.expression, getReferenceCandidate(callAccess.expression)) && + ts.isIdentifier(callAccess.name) && callAccess.name.escapedText === "hasOwnProperty" && callExpression.arguments.length === 1) { + var argument = callExpression.arguments[0]; + if (ts.isStringLiteralLike(argument) && getAccessedPropertyName(reference) === ts.escapeLeadingUnderscores(argument.text)) { + return getTypeWithFacts(type, assumeTrue ? 524288 /* TypeFacts.NEUndefined */ : 65536 /* TypeFacts.EQUndefined */); + } + } + } + return type; + } + function narrowTypeByTypePredicate(type, predicate, callExpression, assumeTrue) { + // Don't narrow from 'any' if the predicate type is exactly 'Object' or 'Function' + if (predicate.type && !(isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType))) { + var predicateArgument = getTypePredicateArgument(predicate, callExpression); + if (predicateArgument) { + if (isMatchingReference(reference, predicateArgument)) { + return getNarrowedType(type, predicate.type, assumeTrue, isTypeSubtypeOf); + } + if (strictNullChecks && assumeTrue && optionalChainContainsReference(predicateArgument, reference) && + !(getTypeFacts(predicate.type) & 65536 /* TypeFacts.EQUndefined */)) { + type = getTypeWithFacts(type, 2097152 /* TypeFacts.NEUndefinedOrNull */); + } + var access = getDiscriminantPropertyAccess(predicateArgument, type); + if (access) { + return narrowTypeByDiscriminant(type, access, function (t) { return getNarrowedType(t, predicate.type, assumeTrue, isTypeSubtypeOf); }); + } + } + } + return type; + } + // Narrow the given type based on the given expression having the assumed boolean value. The returned type + // will be a subtype or the same type as the argument. + function narrowType(type, expr, assumeTrue) { + // for `a?.b`, we emulate a synthetic `a !== null && a !== undefined` condition for `a` + if (ts.isExpressionOfOptionalChainRoot(expr) || + ts.isBinaryExpression(expr.parent) && expr.parent.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */ && expr.parent.left === expr) { + return narrowTypeByOptionality(type, expr, assumeTrue); + } + switch (expr.kind) { + case 79 /* SyntaxKind.Identifier */: + // When narrowing a reference to a const variable, non-assigned parameter, or readonly property, we inline + // up to five levels of aliased conditional expressions that are themselves declared as const variables. + if (!isMatchingReference(reference, expr) && inlineLevel < 5) { + var symbol = getResolvedSymbol(expr); + if (isConstVariable(symbol)) { + var declaration = symbol.valueDeclaration; + if (declaration && ts.isVariableDeclaration(declaration) && !declaration.type && declaration.initializer && isConstantReference(reference)) { + inlineLevel++; + var result = narrowType(type, declaration.initializer, assumeTrue); + inlineLevel--; + return result; + } + } + } + // falls through + case 108 /* SyntaxKind.ThisKeyword */: + case 106 /* SyntaxKind.SuperKeyword */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + return narrowTypeByTruthiness(type, expr, assumeTrue); + case 208 /* SyntaxKind.CallExpression */: + return narrowTypeByCallExpression(type, expr, assumeTrue); + case 212 /* SyntaxKind.ParenthesizedExpression */: + case 230 /* SyntaxKind.NonNullExpression */: + return narrowType(type, expr.expression, assumeTrue); + case 221 /* SyntaxKind.BinaryExpression */: + return narrowTypeByBinaryExpression(type, expr, assumeTrue); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + if (expr.operator === 53 /* SyntaxKind.ExclamationToken */) { + return narrowType(type, expr.operand, !assumeTrue); + } + break; + } + return type; + } + function narrowTypeByOptionality(type, expr, assumePresent) { + if (isMatchingReference(reference, expr)) { + return getTypeWithFacts(type, assumePresent ? 2097152 /* TypeFacts.NEUndefinedOrNull */ : 262144 /* TypeFacts.EQUndefinedOrNull */); + } + var access = getDiscriminantPropertyAccess(expr, type); + if (access) { + return narrowTypeByDiscriminant(type, access, function (t) { return getTypeWithFacts(t, assumePresent ? 2097152 /* TypeFacts.NEUndefinedOrNull */ : 262144 /* TypeFacts.EQUndefinedOrNull */); }); + } + return type; + } + } + function getTypeOfSymbolAtLocation(symbol, location) { + symbol = symbol.exportSymbol || symbol; + // If we have an identifier or a property access at the given location, if the location is + // an dotted name expression, and if the location is not an assignment target, obtain the type + // of the expression (which will reflect control flow analysis). If the expression indeed + // resolved to the given symbol, return the narrowed type. + if (location.kind === 79 /* SyntaxKind.Identifier */ || location.kind === 80 /* SyntaxKind.PrivateIdentifier */) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) { + location = location.parent; + } + if (ts.isExpressionNode(location) && (!ts.isAssignmentTarget(location) || ts.isWriteAccess(location))) { + var type = getTypeOfExpression(location); + if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) { + return type; + } + } + } + if (ts.isDeclarationName(location) && ts.isSetAccessor(location.parent) && getAnnotatedAccessorTypeNode(location.parent)) { + return getWriteTypeOfAccessors(location.parent.symbol); + } + // The location isn't a reference to the given symbol, meaning we're being asked + // a hypothetical question of what type the symbol would have if there was a reference + // to it at the given location. Since we have no control flow information for the + // hypothetical reference (control flow information is created and attached by the + // binder), we simply return the declared type of the symbol. + return getNonMissingTypeOfSymbol(symbol); + } + function getControlFlowContainer(node) { + return ts.findAncestor(node.parent, function (node) { + return ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) || + node.kind === 262 /* SyntaxKind.ModuleBlock */ || + node.kind === 305 /* SyntaxKind.SourceFile */ || + node.kind === 167 /* SyntaxKind.PropertyDeclaration */; + }); + } + // Check if a parameter or catch variable is assigned anywhere + function isSymbolAssigned(symbol) { + if (!symbol.valueDeclaration) { + return false; + } + var parent = ts.getRootDeclaration(symbol.valueDeclaration).parent; + var links = getNodeLinks(parent); + if (!(links.flags & 8388608 /* NodeCheckFlags.AssignmentsMarked */)) { + links.flags |= 8388608 /* NodeCheckFlags.AssignmentsMarked */; + if (!hasParentWithAssignmentsMarked(parent)) { + markNodeAssignments(parent); + } + } + return symbol.isAssigned || false; + } + function hasParentWithAssignmentsMarked(node) { + return !!ts.findAncestor(node.parent, function (node) { + return (ts.isFunctionLike(node) || ts.isCatchClause(node)) && !!(getNodeLinks(node).flags & 8388608 /* NodeCheckFlags.AssignmentsMarked */); + }); + } + function markNodeAssignments(node) { + if (node.kind === 79 /* SyntaxKind.Identifier */) { + if (ts.isAssignmentTarget(node)) { + var symbol = getResolvedSymbol(node); + if (ts.isParameterOrCatchClauseVariable(symbol)) { + symbol.isAssigned = true; + } + } + } + else { + ts.forEachChild(node, markNodeAssignments); + } + } + function isConstVariable(symbol) { + return symbol.flags & 3 /* SymbolFlags.Variable */ && (getDeclarationNodeFlagsFromSymbol(symbol) & 2 /* NodeFlags.Const */) !== 0; + } + /** remove undefined from the annotated type of a parameter when there is an initializer (that doesn't include undefined) */ + function removeOptionalityFromDeclaredType(declaredType, declaration) { + if (pushTypeResolution(declaration.symbol, 2 /* TypeSystemPropertyName.DeclaredType */)) { + var annotationIncludesUndefined = strictNullChecks && + declaration.kind === 164 /* SyntaxKind.Parameter */ && + declaration.initializer && + getFalsyFlags(declaredType) & 32768 /* TypeFlags.Undefined */ && + !(getFalsyFlags(checkExpression(declaration.initializer)) & 32768 /* TypeFlags.Undefined */); + popTypeResolution(); + return annotationIncludesUndefined ? getTypeWithFacts(declaredType, 524288 /* TypeFacts.NEUndefined */) : declaredType; + } + else { + reportCircularityError(declaration.symbol); + return declaredType; + } + } + function isConstraintPosition(type, node) { + var parent = node.parent; + // In an element access obj[x], we consider obj to be in a constraint position, except when obj is of + // a generic type without a nullable constraint and x is a generic type. This is because when both obj + // and x are of generic types T and K, we want the resulting type to be T[K]. + return parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */ || + parent.kind === 161 /* SyntaxKind.QualifiedName */ || + parent.kind === 208 /* SyntaxKind.CallExpression */ && parent.expression === node || + parent.kind === 207 /* SyntaxKind.ElementAccessExpression */ && parent.expression === node && + !(someType(type, isGenericTypeWithoutNullableConstraint) && isGenericIndexType(getTypeOfExpression(parent.argumentExpression))); + } + function isGenericTypeWithUnionConstraint(type) { + return !!(type.flags & 465829888 /* TypeFlags.Instantiable */ && getBaseConstraintOrType(type).flags & (98304 /* TypeFlags.Nullable */ | 1048576 /* TypeFlags.Union */)); + } + function isGenericTypeWithoutNullableConstraint(type) { + return !!(type.flags & 465829888 /* TypeFlags.Instantiable */ && !maybeTypeOfKind(getBaseConstraintOrType(type), 98304 /* TypeFlags.Nullable */)); + } + function hasContextualTypeWithNoGenericTypes(node, checkMode) { + // Computing the contextual type for a child of a JSX element involves resolving the type of the + // element's tag name, so we exclude that here to avoid circularities. + // If check mode has `CheckMode.RestBindingElement`, we skip binding pattern contextual types, + // as we want the type of a rest element to be generic when possible. + var contextualType = (ts.isIdentifier(node) || ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node)) && + !((ts.isJsxOpeningElement(node.parent) || ts.isJsxSelfClosingElement(node.parent)) && node.parent.tagName === node) && + (checkMode && checkMode & 64 /* CheckMode.RestBindingElement */ ? + getContextualType(node, 8 /* ContextFlags.SkipBindingPatterns */) + : getContextualType(node)); + return contextualType && !isGenericType(contextualType); + } + function getNarrowableTypeForReference(type, reference, checkMode) { + // When the type of a reference is or contains an instantiable type with a union type constraint, and + // when the reference is in a constraint position (where it is known we'll obtain the apparent type) or + // has a contextual type containing no top-level instantiables (meaning constraints will determine + // assignability), we substitute constraints for all instantiables in the type of the reference to give + // control flow analysis an opportunity to narrow it further. For example, for a reference of a type + // parameter type 'T extends string | undefined' with a contextual type 'string', we substitute + // 'string | undefined' to give control flow analysis the opportunity to narrow to type 'string'. + var substituteConstraints = !(checkMode && checkMode & 2 /* CheckMode.Inferential */) && + someType(type, isGenericTypeWithUnionConstraint) && + (isConstraintPosition(type, reference) || hasContextualTypeWithNoGenericTypes(reference, checkMode)); + return substituteConstraints ? mapType(type, function (t) { return t.flags & 465829888 /* TypeFlags.Instantiable */ ? getBaseConstraintOrType(t) : t; }) : type; + } + function isExportOrExportExpression(location) { + return !!ts.findAncestor(location, function (n) { + var parent = n.parent; + if (parent === undefined) { + return "quit"; + } + if (ts.isExportAssignment(parent)) { + return parent.expression === n && ts.isEntityNameExpression(n); + } + if (ts.isExportSpecifier(parent)) { + return parent.name === n || parent.propertyName === n; + } + return false; + }); + } + function markAliasReferenced(symbol, location) { + if (isNonLocalAlias(symbol, /*excludes*/ 111551 /* SymbolFlags.Value */) && !isInTypeQuery(location) && !getTypeOnlyAliasDeclaration(symbol)) { + var target = resolveAlias(symbol); + if (target.flags & 111551 /* SymbolFlags.Value */) { + // An alias resolving to a const enum cannot be elided if (1) 'isolatedModules' is enabled + // (because the const enum value will not be inlined), or if (2) the alias is an export + // of a const enum declaration that will be preserved. + if (compilerOptions.isolatedModules || + ts.shouldPreserveConstEnums(compilerOptions) && isExportOrExportExpression(location) || + !isConstEnumOrConstEnumOnlyModule(target)) { + markAliasSymbolAsReferenced(symbol); + } + else { + markConstEnumAliasAsReferenced(symbol); + } + } + } + } + function getNarrowedTypeOfSymbol(symbol, location) { + var declaration = symbol.valueDeclaration; + if (declaration) { + // If we have a non-rest binding element with no initializer declared as a const variable or a const-like + // parameter (a parameter for which there are no assignments in the function body), and if the parent type + // for the destructuring is a union type, one or more of the binding elements may represent discriminant + // properties, and we want the effects of conditional checks on such discriminants to affect the types of + // other binding elements from the same destructuring. Consider: + // + // type Action = + // | { kind: 'A', payload: number } + // | { kind: 'B', payload: string }; + // + // function f({ kind, payload }: Action) { + // if (kind === 'A') { + // payload.toFixed(); + // } + // if (kind === 'B') { + // payload.toUpperCase(); + // } + // } + // + // Above, we want the conditional checks on 'kind' to affect the type of 'payload'. To facilitate this, we use + // the binding pattern AST instance for '{ kind, payload }' as a pseudo-reference and narrow this reference + // as if it occurred in the specified location. We then recompute the narrowed binding element type by + // destructuring from the narrowed parent type. + if (ts.isBindingElement(declaration) && !declaration.initializer && !declaration.dotDotDotToken && declaration.parent.elements.length >= 2) { + var parent = declaration.parent.parent; + if (parent.kind === 254 /* SyntaxKind.VariableDeclaration */ && ts.getCombinedNodeFlags(declaration) & 2 /* NodeFlags.Const */ || parent.kind === 164 /* SyntaxKind.Parameter */) { + var links = getNodeLinks(parent); + if (!(links.flags & 268435456 /* NodeCheckFlags.InCheckIdentifier */)) { + links.flags |= 268435456 /* NodeCheckFlags.InCheckIdentifier */; + var parentType = getTypeForBindingElementParent(parent, 0 /* CheckMode.Normal */); + links.flags &= ~268435456 /* NodeCheckFlags.InCheckIdentifier */; + if (parentType && parentType.flags & 1048576 /* TypeFlags.Union */ && !(parent.kind === 164 /* SyntaxKind.Parameter */ && isSymbolAssigned(symbol))) { + var pattern = declaration.parent; + var narrowedType = getFlowTypeOfReference(pattern, parentType, parentType, /*flowContainer*/ undefined, location.flowNode); + if (narrowedType.flags & 131072 /* TypeFlags.Never */) { + return neverType; + } + return getBindingElementTypeFromParentType(declaration, narrowedType); + } + } + } + } + // If we have a const-like parameter with no type annotation or initializer, and if the parameter is contextually + // typed by a signature with a single rest parameter of a union of tuple types, one or more of the parameters may + // represent discriminant tuple elements, and we want the effects of conditional checks on such discriminants to + // affect the types of other parameters in the same parameter list. Consider: + // + // type Action = [kind: 'A', payload: number] | [kind: 'B', payload: string]; + // + // const f: (...args: Action) => void = (kind, payload) => { + // if (kind === 'A') { + // payload.toFixed(); + // } + // if (kind === 'B') { + // payload.toUpperCase(); + // } + // } + // + // Above, we want the conditional checks on 'kind' to affect the type of 'payload'. To facilitate this, we use + // the arrow function AST node for '(kind, payload) => ...' as a pseudo-reference and narrow this reference as + // if it occurred in the specified location. We then recompute the narrowed parameter type by indexing into the + // narrowed tuple type. + if (ts.isParameter(declaration) && !declaration.type && !declaration.initializer && !declaration.dotDotDotToken) { + var func = declaration.parent; + if (func.parameters.length >= 2 && isContextSensitiveFunctionOrObjectLiteralMethod(func)) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature && contextualSignature.parameters.length === 1 && signatureHasRestParameter(contextualSignature)) { + var restType = getReducedApparentType(getTypeOfSymbol(contextualSignature.parameters[0])); + if (restType.flags & 1048576 /* TypeFlags.Union */ && everyType(restType, isTupleType) && !isSymbolAssigned(symbol)) { + var narrowedType = getFlowTypeOfReference(func, restType, restType, /*flowContainer*/ undefined, location.flowNode); + var index = func.parameters.indexOf(declaration) - (ts.getThisParameter(func) ? 1 : 0); + return getIndexedAccessType(narrowedType, getNumberLiteralType(index)); + } + } + } + } + } + return getTypeOfSymbol(symbol); + } + function checkIdentifier(node, checkMode) { + if (ts.isThisInTypeQuery(node)) { + return checkThisExpression(node); + } + var symbol = getResolvedSymbol(node); + if (symbol === unknownSymbol) { + return errorType; + } + // As noted in ECMAScript 6 language spec, arrow functions never have an arguments objects. + // Although in down-level emit of arrow function, we emit it using function expression which means that + // arguments objects will be bound to the inner object; emitting arrow function natively in ES6, arguments objects + // will be bound to non-arrow function that contain this arrow function. This results in inconsistent behavior. + // To avoid that we will give an error to users if they use arguments objects in arrow function so that they + // can explicitly bound arguments objects + if (symbol === argumentsSymbol) { + if (isInPropertyInitializerOrClassStaticBlock(node)) { + error(node, ts.Diagnostics.arguments_cannot_be_referenced_in_property_initializers); + return errorType; + } + var container = ts.getContainingFunction(node); + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + if (container.kind === 214 /* SyntaxKind.ArrowFunction */) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); + } + else if (ts.hasSyntacticModifier(container, 256 /* ModifierFlags.Async */)) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method); + } + } + getNodeLinks(container).flags |= 8192 /* NodeCheckFlags.CaptureArguments */; + return getTypeOfSymbol(symbol); + } + // We should only mark aliases as referenced if there isn't a local value declaration + // for the symbol. Also, don't mark any property access expression LHS - checkPropertyAccessExpression will handle that + if (!(node.parent && ts.isPropertyAccessExpression(node.parent) && node.parent.expression === node)) { + markAliasReferenced(symbol, node); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + var targetSymbol = checkDeprecatedAliasedSymbol(localOrExportSymbol, node); + if (isDeprecatedSymbol(targetSymbol) && isUncalledFunctionReference(node, targetSymbol) && targetSymbol.declarations) { + addDeprecatedSuggestion(node, targetSymbol.declarations, node.escapedText); + } + var declaration = localOrExportSymbol.valueDeclaration; + if (declaration && localOrExportSymbol.flags & 32 /* SymbolFlags.Class */) { + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + if (declaration.kind === 257 /* SyntaxKind.ClassDeclaration */ + && ts.nodeIsDecorated(declaration)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === declaration && container.name !== node) { + getNodeLinks(declaration).flags |= 16777216 /* NodeCheckFlags.ClassWithConstructorReference */; + getNodeLinks(node).flags |= 33554432 /* NodeCheckFlags.ConstructorReferenceInClass */; + break; + } + container = ts.getContainingClass(container); + } + } + else if (declaration.kind === 226 /* SyntaxKind.ClassExpression */) { + // When we emit a class expression with static members that contain a reference + // to the constructor in the initializer, we will need to substitute that + // binding with an alias as the class name is not in scope. + var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + while (container.kind !== 305 /* SyntaxKind.SourceFile */) { + if (container.parent === declaration) { + if (ts.isPropertyDeclaration(container) && ts.isStatic(container) || ts.isClassStaticBlockDeclaration(container)) { + getNodeLinks(declaration).flags |= 16777216 /* NodeCheckFlags.ClassWithConstructorReference */; + getNodeLinks(node).flags |= 33554432 /* NodeCheckFlags.ConstructorReferenceInClass */; + } + break; + } + container = ts.getThisContainer(container, /*includeArrowFunctions*/ false); + } + } + } + checkNestedBlockScopedBinding(node, symbol); + var type = getNarrowedTypeOfSymbol(localOrExportSymbol, node); + var assignmentKind = ts.getAssignmentTargetKind(node); + if (assignmentKind) { + if (!(localOrExportSymbol.flags & 3 /* SymbolFlags.Variable */) && + !(ts.isInJSFile(node) && localOrExportSymbol.flags & 512 /* SymbolFlags.ValueModule */)) { + var assignmentError = localOrExportSymbol.flags & 384 /* SymbolFlags.Enum */ ? ts.Diagnostics.Cannot_assign_to_0_because_it_is_an_enum + : localOrExportSymbol.flags & 32 /* SymbolFlags.Class */ ? ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_class + : localOrExportSymbol.flags & 1536 /* SymbolFlags.Module */ ? ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_namespace + : localOrExportSymbol.flags & 16 /* SymbolFlags.Function */ ? ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_function + : localOrExportSymbol.flags & 2097152 /* SymbolFlags.Alias */ ? ts.Diagnostics.Cannot_assign_to_0_because_it_is_an_import + : ts.Diagnostics.Cannot_assign_to_0_because_it_is_not_a_variable; + error(node, assignmentError, symbolToString(symbol)); + return errorType; + } + if (isReadonlySymbol(localOrExportSymbol)) { + if (localOrExportSymbol.flags & 3 /* SymbolFlags.Variable */) { + error(node, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_constant, symbolToString(symbol)); + } + else { + error(node, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_read_only_property, symbolToString(symbol)); + } + return errorType; + } + } + var isAlias = localOrExportSymbol.flags & 2097152 /* SymbolFlags.Alias */; + // We only narrow variables and parameters occurring in a non-assignment position. For all other + // entities we simply return the declared type. + if (localOrExportSymbol.flags & 3 /* SymbolFlags.Variable */) { + if (assignmentKind === 1 /* AssignmentKind.Definite */) { + return type; + } + } + else if (isAlias) { + declaration = getDeclarationOfAliasSymbol(symbol); + } + else { + return type; + } + if (!declaration) { + return type; + } + type = getNarrowableTypeForReference(type, node, checkMode); + // The declaration container is the innermost function that encloses the declaration of the variable + // or parameter. The flow container is the innermost function starting with which we analyze the control + // flow graph to determine the control flow based type. + var isParameter = ts.getRootDeclaration(declaration).kind === 164 /* SyntaxKind.Parameter */; + var declarationContainer = getControlFlowContainer(declaration); + var flowContainer = getControlFlowContainer(node); + var isOuterVariable = flowContainer !== declarationContainer; + var isSpreadDestructuringAssignmentTarget = node.parent && node.parent.parent && ts.isSpreadAssignment(node.parent) && isDestructuringAssignmentTarget(node.parent.parent); + var isModuleExports = symbol.flags & 134217728 /* SymbolFlags.ModuleExports */; + // When the control flow originates in a function expression or arrow function and we are referencing + // a const variable or parameter from an outer function, we extend the origin of the control flow + // analysis to include the immediately enclosing function. + while (flowContainer !== declarationContainer && (flowContainer.kind === 213 /* SyntaxKind.FunctionExpression */ || + flowContainer.kind === 214 /* SyntaxKind.ArrowFunction */ || ts.isObjectLiteralOrClassExpressionMethodOrAccessor(flowContainer)) && + (isConstVariable(localOrExportSymbol) && type !== autoArrayType || isParameter && !isSymbolAssigned(localOrExportSymbol))) { + flowContainer = getControlFlowContainer(flowContainer); + } + // We only look for uninitialized variables in strict null checking mode, and only when we can analyze + // the entire control flow graph from the variable's declaration (i.e. when the flow container and + // declaration container are the same). + var assumeInitialized = isParameter || isAlias || isOuterVariable || isSpreadDestructuringAssignmentTarget || isModuleExports || ts.isBindingElement(declaration) || + type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & (3 /* TypeFlags.AnyOrUnknown */ | 16384 /* TypeFlags.Void */)) !== 0 || + isInTypeQuery(node) || node.parent.kind === 275 /* SyntaxKind.ExportSpecifier */) || + node.parent.kind === 230 /* SyntaxKind.NonNullExpression */ || + declaration.kind === 254 /* SyntaxKind.VariableDeclaration */ && declaration.exclamationToken || + declaration.flags & 16777216 /* NodeFlags.Ambient */; + var initialType = assumeInitialized ? (isParameter ? removeOptionalityFromDeclaredType(type, declaration) : type) : + type === autoType || type === autoArrayType ? undefinedType : + getOptionalType(type); + var flowType = getFlowTypeOfReference(node, type, initialType, flowContainer); + // A variable is considered uninitialized when it is possible to analyze the entire control flow graph + // from declaration to use, and when the variable's declared type doesn't include undefined but the + // control flow based type does include undefined. + if (!isEvolvingArrayOperationTarget(node) && (type === autoType || type === autoArrayType)) { + if (flowType === autoType || flowType === autoArrayType) { + if (noImplicitAny) { + error(ts.getNameOfDeclaration(declaration), ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined, symbolToString(symbol), typeToString(flowType)); + error(node, ts.Diagnostics.Variable_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); + } + return convertAutoToAny(flowType); + } + } + else if (!assumeInitialized && !(getFalsyFlags(type) & 32768 /* TypeFlags.Undefined */) && getFalsyFlags(flowType) & 32768 /* TypeFlags.Undefined */) { + error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol)); + // Return the declared type to reduce follow-on errors + return type; + } + return assignmentKind ? getBaseTypeOfLiteralType(flowType) : flowType; + } + function isInsideFunctionOrInstancePropertyInitializer(node, threshold) { + return !!ts.findAncestor(node, function (n) { return n === threshold ? "quit" : ts.isFunctionLike(n) || (n.parent && ts.isPropertyDeclaration(n.parent) && !ts.hasStaticModifier(n.parent) && n.parent.initializer === n); }); + } + function getPartOfForStatementContainingNode(node, container) { + return ts.findAncestor(node, function (n) { return n === container ? "quit" : n === container.initializer || n === container.condition || n === container.incrementor || n === container.statement; }); + } + function getEnclosingIterationStatement(node) { + return ts.findAncestor(node, function (n) { return (!n || ts.nodeStartsNewLexicalEnvironment(n)) ? "quit" : ts.isIterationStatement(n, /*lookInLabeledStatements*/ false); }); + } + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 /* ScriptTarget.ES2015 */ || + (symbol.flags & (2 /* SymbolFlags.BlockScopedVariable */ | 32 /* SymbolFlags.Class */)) === 0 || + !symbol.valueDeclaration || + ts.isSourceFile(symbol.valueDeclaration) || + symbol.valueDeclaration.parent.kind === 292 /* SyntaxKind.CatchClause */) { + return; + } + // 1. walk from the use site up to the declaration and check + // if there is anything function like between declaration and use-site (is binding/class is captured in function). + // 2. walk from the declaration up to the boundary of lexical environment and check + // if there is an iteration statement in between declaration and boundary (is binding/class declared inside iteration statement) + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var isCaptured = isInsideFunctionOrInstancePropertyInitializer(node, container); + var enclosingIterationStatement = getEnclosingIterationStatement(container); + if (enclosingIterationStatement) { + if (isCaptured) { + // mark iteration statement as containing block-scoped binding captured in some function + var capturesBlockScopeBindingInLoopBody = true; + if (ts.isForStatement(container)) { + var varDeclList = ts.getAncestor(symbol.valueDeclaration, 255 /* SyntaxKind.VariableDeclarationList */); + if (varDeclList && varDeclList.parent === container) { + var part = getPartOfForStatementContainingNode(node.parent, container); + if (part) { + var links = getNodeLinks(part); + links.flags |= 131072 /* NodeCheckFlags.ContainsCapturedBlockScopeBinding */; + var capturedBindings = links.capturedBlockScopeBindings || (links.capturedBlockScopeBindings = []); + ts.pushIfUnique(capturedBindings, symbol); + if (part === container.initializer) { + capturesBlockScopeBindingInLoopBody = false; // Initializer is outside of loop body + } + } + } + } + if (capturesBlockScopeBindingInLoopBody) { + getNodeLinks(enclosingIterationStatement).flags |= 65536 /* NodeCheckFlags.LoopWithCapturedBlockScopedBinding */; + } + } + // mark variables that are declared in loop initializer and reassigned inside the body of ForStatement. + // if body of ForStatement will be converted to function then we'll need a extra machinery to propagate reassigned values back. + if (ts.isForStatement(container)) { + var varDeclList = ts.getAncestor(symbol.valueDeclaration, 255 /* SyntaxKind.VariableDeclarationList */); + if (varDeclList && varDeclList.parent === container && isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 4194304 /* NodeCheckFlags.NeedsLoopOutParameter */; + } + } + // set 'declared inside loop' bit on the block-scoped binding + getNodeLinks(symbol.valueDeclaration).flags |= 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + } + if (isCaptured) { + getNodeLinks(symbol.valueDeclaration).flags |= 262144 /* NodeCheckFlags.CapturedBlockScopedBinding */; + } + } + function isBindingCapturedByNode(node, decl) { + var links = getNodeLinks(node); + return !!links && ts.contains(links.capturedBlockScopeBindings, getSymbolOfNode(decl)); + } + function isAssignedInBodyOfForStatement(node, container) { + // skip parenthesized nodes + var current = node; + while (current.parent.kind === 212 /* SyntaxKind.ParenthesizedExpression */) { + current = current.parent; + } + // check if node is used as LHS in some assignment expression + var isAssigned = false; + if (ts.isAssignmentTarget(current)) { + isAssigned = true; + } + else if ((current.parent.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ || current.parent.kind === 220 /* SyntaxKind.PostfixUnaryExpression */)) { + var expr = current.parent; + isAssigned = expr.operator === 45 /* SyntaxKind.PlusPlusToken */ || expr.operator === 46 /* SyntaxKind.MinusMinusToken */; + } + if (!isAssigned) { + return false; + } + // at this point we know that node is the target of assignment + // now check that modification happens inside the statement part of the ForStatement + return !!ts.findAncestor(current, function (n) { return n === container ? "quit" : n === container.statement; }); + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2 /* NodeCheckFlags.LexicalThis */; + if (container.kind === 167 /* SyntaxKind.PropertyDeclaration */ || container.kind === 171 /* SyntaxKind.Constructor */) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4 /* NodeCheckFlags.CaptureThis */; + } + else { + getNodeLinks(container).flags |= 4 /* NodeCheckFlags.CaptureThis */; + } + } + function findFirstSuperCall(node) { + return ts.isSuperCall(node) ? node : + ts.isFunctionLike(node) ? undefined : + ts.forEachChild(node, findFirstSuperCall); + } + /** + * Check if the given class-declaration extends null then return true. + * Otherwise, return false + * @param classDecl a class declaration to check if it extends null + */ + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullWideningType; + } + function checkThisBeforeSuper(node, container, diagnosticMessage) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageElement(containingClassDecl); + // If a containing class does not have extends clause or the class extends null + // skip checking whether super statement is called before "this" accessing. + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + if (node.flowNode && !isPostSuperFlowNode(node.flowNode, /*noCacheCheck*/ false)) { + error(node, diagnosticMessage); + } + } + } + function checkThisInStaticClassFieldInitializerInDecoratedClass(thisExpression, container) { + if (ts.isPropertyDeclaration(container) && ts.hasStaticModifier(container) && + container.initializer && ts.textRangeContainsPositionInclusive(container.initializer, thisExpression.pos) && ts.length(container.parent.decorators)) { + error(thisExpression, ts.Diagnostics.Cannot_use_this_in_a_static_property_initializer_of_a_decorated_class); + } + } + function checkThisExpression(node) { + var isNodeInTypeQuery = isInTypeQuery(node); + // Stop at the first arrow function so that we can + // tell whether 'this' needs to be captured. + var container = ts.getThisContainer(node, /* includeArrowFunctions */ true); + var capturedByArrowFunction = false; + if (container.kind === 171 /* SyntaxKind.Constructor */) { + checkThisBeforeSuper(node, container, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + } + // Now skip arrow functions to get the "real" owner of 'this'. + if (container.kind === 214 /* SyntaxKind.ArrowFunction */) { + container = ts.getThisContainer(container, /* includeArrowFunctions */ false); + capturedByArrowFunction = true; + } + checkThisInStaticClassFieldInitializerInDecoratedClass(node, container); + switch (container.kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + break; + case 260 /* SyntaxKind.EnumDeclaration */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + break; + case 171 /* SyntaxKind.Constructor */: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + } + break; + case 162 /* SyntaxKind.ComputedPropertyName */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + // When targeting es6, mark that we'll need to capture `this` in its lexically bound scope. + if (!isNodeInTypeQuery && capturedByArrowFunction && languageVersion < 2 /* ScriptTarget.ES2015 */) { + captureLexicalThis(node, container); + } + var type = tryGetThisTypeAt(node, /*includeGlobalThis*/ true, container); + if (noImplicitThis) { + var globalThisType_1 = getTypeOfSymbol(globalThisSymbol); + if (type === globalThisType_1 && capturedByArrowFunction) { + error(node, ts.Diagnostics.The_containing_arrow_function_captures_the_global_value_of_this); + } + else if (!type) { + // With noImplicitThis, functions may not reference 'this' if it has type 'any' + var diag = error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation); + if (!ts.isSourceFile(container)) { + var outsideThis = tryGetThisTypeAt(container); + if (outsideThis && outsideThis !== globalThisType_1) { + ts.addRelatedInfo(diag, ts.createDiagnosticForNode(container, ts.Diagnostics.An_outer_value_of_this_is_shadowed_by_this_container)); + } + } + } + } + return type || anyType; + } + function tryGetThisTypeAt(node, includeGlobalThis, container) { + if (includeGlobalThis === void 0) { includeGlobalThis = true; } + if (container === void 0) { container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); } + var isInJS = ts.isInJSFile(node); + if (ts.isFunctionLike(container) && + (!isInParameterInitializerBeforeContainingFunction(node) || ts.getThisParameter(container))) { + var thisType = getThisTypeOfDeclaration(container) || isInJS && getTypeForThisExpressionFromJSDoc(container); + // Note: a parameter initializer should refer to class-this unless function-this is explicitly annotated. + // If this is a function in a JS file, it might be a class method. + if (!thisType) { + var className = getClassNameFromPrototypeMethod(container); + if (isInJS && className) { + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16 /* SymbolFlags.Function */)) { + thisType = getDeclaredTypeOfSymbol(classSymbol).thisType; + } + } + else if (isJSConstructor(container)) { + thisType = getDeclaredTypeOfSymbol(getMergedSymbol(container.symbol)).thisType; + } + thisType || (thisType = getContextualThisParameterType(container)); + } + if (thisType) { + return getFlowTypeOfReference(node, thisType); + } + } + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + var type = ts.isStatic(container) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + return getFlowTypeOfReference(node, type); + } + if (ts.isSourceFile(container)) { + // look up in the source file's locals or exports + if (container.commonJsModuleIndicator) { + var fileSymbol = getSymbolOfNode(container); + return fileSymbol && getTypeOfSymbol(fileSymbol); + } + else if (container.externalModuleIndicator) { + // TODO: Maybe issue a better error than 'object is possibly undefined' + return undefinedType; + } + else if (includeGlobalThis) { + return getTypeOfSymbol(globalThisSymbol); + } + } + } + function getExplicitThisType(node) { + var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + if (ts.isFunctionLike(container)) { + var signature = getSignatureFromDeclaration(container); + if (signature.thisParameter) { + return getExplicitTypeOfSymbol(signature.thisParameter); + } + } + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + return ts.isStatic(container) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + } + } + function getClassNameFromPrototypeMethod(container) { + // Check if it's the RHS of a x.prototype.y = function [name]() { .... } + if (container.kind === 213 /* SyntaxKind.FunctionExpression */ && + ts.isBinaryExpression(container.parent) && + ts.getAssignmentDeclarationKind(container.parent) === 3 /* AssignmentDeclarationKind.PrototypeProperty */) { + // Get the 'x' of 'x.prototype.y = container' + return container.parent // x.prototype.y = container + .left // x.prototype.y + .expression // x.prototype + .expression; // x + } + // x.prototype = { method() { } } + else if (container.kind === 169 /* SyntaxKind.MethodDeclaration */ && + container.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ && + ts.isBinaryExpression(container.parent.parent) && + ts.getAssignmentDeclarationKind(container.parent.parent) === 6 /* AssignmentDeclarationKind.Prototype */) { + return container.parent.parent.left.expression; + } + // x.prototype = { method: function() { } } + else if (container.kind === 213 /* SyntaxKind.FunctionExpression */ && + container.parent.kind === 296 /* SyntaxKind.PropertyAssignment */ && + container.parent.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ && + ts.isBinaryExpression(container.parent.parent.parent) && + ts.getAssignmentDeclarationKind(container.parent.parent.parent) === 6 /* AssignmentDeclarationKind.Prototype */) { + return container.parent.parent.parent.left.expression; + } + // Object.defineProperty(x, "method", { value: function() { } }); + // Object.defineProperty(x, "method", { set: (x: () => void) => void }); + // Object.defineProperty(x, "method", { get: () => function() { }) }); + else if (container.kind === 213 /* SyntaxKind.FunctionExpression */ && + ts.isPropertyAssignment(container.parent) && + ts.isIdentifier(container.parent.name) && + (container.parent.name.escapedText === "value" || container.parent.name.escapedText === "get" || container.parent.name.escapedText === "set") && + ts.isObjectLiteralExpression(container.parent.parent) && + ts.isCallExpression(container.parent.parent.parent) && + container.parent.parent.parent.arguments[2] === container.parent.parent && + ts.getAssignmentDeclarationKind(container.parent.parent.parent) === 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */) { + return container.parent.parent.parent.arguments[0].expression; + } + // Object.defineProperty(x, "method", { value() { } }); + // Object.defineProperty(x, "method", { set(x: () => void) {} }); + // Object.defineProperty(x, "method", { get() { return () => {} } }); + else if (ts.isMethodDeclaration(container) && + ts.isIdentifier(container.name) && + (container.name.escapedText === "value" || container.name.escapedText === "get" || container.name.escapedText === "set") && + ts.isObjectLiteralExpression(container.parent) && + ts.isCallExpression(container.parent.parent) && + container.parent.parent.arguments[2] === container.parent && + ts.getAssignmentDeclarationKind(container.parent.parent) === 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */) { + return container.parent.parent.arguments[0].expression; + } + } + function getTypeForThisExpressionFromJSDoc(node) { + var jsdocType = ts.getJSDocType(node); + if (jsdocType && jsdocType.kind === 317 /* SyntaxKind.JSDocFunctionType */) { + var jsDocFunctionType = jsdocType; + if (jsDocFunctionType.parameters.length > 0 && + jsDocFunctionType.parameters[0].name && + jsDocFunctionType.parameters[0].name.escapedText === "this" /* InternalSymbolName.This */) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } + var thisTag = ts.getJSDocThisTag(node); + if (thisTag && thisTag.typeExpression) { + return getTypeFromTypeNode(thisTag.typeExpression); + } + } + function isInConstructorArgumentInitializer(node, constructorDecl) { + return !!ts.findAncestor(node, function (n) { return ts.isFunctionLikeDeclaration(n) ? "quit" : n.kind === 164 /* SyntaxKind.Parameter */ && n.parent === constructorDecl; }); + } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 208 /* SyntaxKind.CallExpression */ && node.parent.expression === node; + var immediateContainer = ts.getSuperContainer(node, /*stopOnFunctions*/ true); + var container = immediateContainer; + var needToCaptureLexicalThis = false; + // adjust the container reference in case if super is used inside arrow functions with arbitrarily deep nesting + if (!isCallExpression) { + while (container && container.kind === 214 /* SyntaxKind.ArrowFunction */) { + container = ts.getSuperContainer(container, /*stopOnFunctions*/ true); + needToCaptureLexicalThis = languageVersion < 2 /* ScriptTarget.ES2015 */; + } + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + // issue more specific error if super is used in computed property name + // class A { foo() { return "1" }} + // class B { + // [super.foo()]() {} + // } + var current = ts.findAncestor(node, function (n) { return n === container ? "quit" : n.kind === 162 /* SyntaxKind.ComputedPropertyName */; }); + if (current && current.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); + } + return errorType; + } + if (!isCallExpression && immediateContainer.kind === 171 /* SyntaxKind.Constructor */) { + checkThisBeforeSuper(node, container, ts.Diagnostics.super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class); + } + if (ts.isStatic(container) || isCallExpression) { + nodeCheckFlag = 512 /* NodeCheckFlags.SuperStatic */; + if (!isCallExpression && + languageVersion >= 2 /* ScriptTarget.ES2015 */ && languageVersion <= 8 /* ScriptTarget.ES2021 */ && + (ts.isPropertyDeclaration(container) || ts.isClassStaticBlockDeclaration(container))) { + // for `super.x` or `super[x]` in a static initializer, mark all enclosing + // block scope containers so that we can report potential collisions with + // `Reflect`. + ts.forEachEnclosingBlockScopeContainer(node.parent, function (current) { + if (!ts.isSourceFile(current) || ts.isExternalOrCommonJsModule(current)) { + getNodeLinks(current).flags |= 134217728 /* NodeCheckFlags.ContainsSuperPropertyInStaticInitializer */; + } + }); + } + } + else { + nodeCheckFlag = 256 /* NodeCheckFlags.SuperInstance */; + } + getNodeLinks(node).flags |= nodeCheckFlag; + // Due to how we emit async functions, we need to specialize the emit for an async method that contains a `super` reference. + // This is due to the fact that we emit the body of an async function inside of a generator function. As generator + // functions cannot reference `super`, we emit a helper inside of the method body, but outside of the generator. This helper + // uses an arrow function, which is permitted to reference `super`. + // + // There are two primary ways we can access `super` from within an async method. The first is getting the value of a property + // or indexed access on super, either as part of a right-hand-side expression or call expression. The second is when setting the value + // of a property or indexed access, either as part of an assignment expression or destructuring assignment. + // + // The simplest case is reading a value, in which case we will emit something like the following: + // + // // ts + // ... + // async asyncMethod() { + // let x = await super.asyncMethod(); + // return x; + // } + // ... + // + // // js + // ... + // asyncMethod() { + // const _super = Object.create(null, { + // asyncMethod: { get: () => super.asyncMethod }, + // }); + // return __awaiter(this, arguments, Promise, function *() { + // let x = yield _super.asyncMethod.call(this); + // return x; + // }); + // } + // ... + // + // The more complex case is when we wish to assign a value, especially as part of a destructuring assignment. As both cases + // are legal in ES6, but also likely less frequent, we only emit setters if there is an assignment: + // + // // ts + // ... + // async asyncMethod(ar: Promise) { + // [super.a, super.b] = await ar; + // } + // ... + // + // // js + // ... + // asyncMethod(ar) { + // const _super = Object.create(null, { + // a: { get: () => super.a, set: (v) => super.a = v }, + // b: { get: () => super.b, set: (v) => super.b = v } + // }; + // return __awaiter(this, arguments, Promise, function *() { + // [_super.a, _super.b] = yield ar; + // }); + // } + // ... + // + // Creating an object that has getter and setters instead of just an accessor function is required for destructuring assignments + // as a call expression cannot be used as the target of a destructuring assignment while a property access can. + // + // For element access expressions (`super[x]`), we emit a generic helper that forwards the element access in both situations. + if (container.kind === 169 /* SyntaxKind.MethodDeclaration */ && ts.hasSyntacticModifier(container, 256 /* ModifierFlags.Async */)) { + if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */; + } + else { + getNodeLinks(container).flags |= 2048 /* NodeCheckFlags.AsyncMethodWithSuper */; + } + } + if (needToCaptureLexicalThis) { + // call expressions are allowed only in constructors so they should always capture correct 'this' + // super property access expressions can also appear in arrow functions - + // in this case they should also use correct lexical this + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return errorType; + } + else { + // for object literal assume that type of 'super' is 'any' + return anyType; + } + } + // at this point the only legal case for parent is ClassLikeDeclaration + var classLikeDeclaration = container.parent; + if (!ts.getClassExtendsHeritageElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + return errorType; + } + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + return errorType; + } + if (container.kind === 171 /* SyntaxKind.Constructor */ && isInConstructorArgumentInitializer(node, container)) { + // issue custom error message for super property access in constructor arguments (to be aligned with old compiler) + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return errorType; + } + return nodeCheckFlag === 512 /* NodeCheckFlags.SuperStatic */ + ? getBaseConstructorTypeOfClass(classType) + : getTypeWithThisArgument(baseClassType, classType.thisType); + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + // TS 1.0 SPEC (April 2014): 4.8.1 + // Super calls are only permitted in constructors of derived classes + return container.kind === 171 /* SyntaxKind.Constructor */; + } + else { + // TS 1.0 SPEC (April 2014) + // 'super' property access is allowed + // - In a constructor, instance member function, instance member accessor, or instance member variable initializer where this references a derived class instance + // - In a static member function or static member accessor + // topmost container must be something that is directly nested in the class declaration\object literal expression + if (ts.isClassLike(container.parent) || container.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + if (ts.isStatic(container)) { + return container.kind === 169 /* SyntaxKind.MethodDeclaration */ || + container.kind === 168 /* SyntaxKind.MethodSignature */ || + container.kind === 172 /* SyntaxKind.GetAccessor */ || + container.kind === 173 /* SyntaxKind.SetAccessor */ || + container.kind === 167 /* SyntaxKind.PropertyDeclaration */ || + container.kind === 170 /* SyntaxKind.ClassStaticBlockDeclaration */; + } + else { + return container.kind === 169 /* SyntaxKind.MethodDeclaration */ || + container.kind === 168 /* SyntaxKind.MethodSignature */ || + container.kind === 172 /* SyntaxKind.GetAccessor */ || + container.kind === 173 /* SyntaxKind.SetAccessor */ || + container.kind === 167 /* SyntaxKind.PropertyDeclaration */ || + container.kind === 166 /* SyntaxKind.PropertySignature */ || + container.kind === 171 /* SyntaxKind.Constructor */; + } + } + } + return false; + } + } + function getContainingObjectLiteral(func) { + return (func.kind === 169 /* SyntaxKind.MethodDeclaration */ || + func.kind === 172 /* SyntaxKind.GetAccessor */ || + func.kind === 173 /* SyntaxKind.SetAccessor */) && func.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ ? func.parent : + func.kind === 213 /* SyntaxKind.FunctionExpression */ && func.parent.kind === 296 /* SyntaxKind.PropertyAssignment */ ? func.parent.parent : + undefined; + } + function getThisTypeArgument(type) { + return ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ && type.target === globalThisType ? getTypeArguments(type)[0] : undefined; + } + function getThisTypeFromContextualType(type) { + return mapType(type, function (t) { + return t.flags & 2097152 /* TypeFlags.Intersection */ ? ts.forEach(t.types, getThisTypeArgument) : getThisTypeArgument(t); + }); + } + function getContextualThisParameterType(func) { + if (func.kind === 214 /* SyntaxKind.ArrowFunction */) { + return undefined; + } + if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var thisParameter = contextualSignature.thisParameter; + if (thisParameter) { + return getTypeOfSymbol(thisParameter); + } + } + } + var inJs = ts.isInJSFile(func); + if (noImplicitThis || inJs) { + var containingLiteral = getContainingObjectLiteral(func); + if (containingLiteral) { + // We have an object literal method. Check if the containing object literal has a contextual type + // that includes a ThisType. If so, T is the contextual type for 'this'. We continue looking in + // any directly enclosing object literals. + var contextualType = getApparentTypeOfContextualType(containingLiteral); + var literal = containingLiteral; + var type = contextualType; + while (type) { + var thisType = getThisTypeFromContextualType(type); + if (thisType) { + return instantiateType(thisType, getMapperFromContext(getInferenceContext(containingLiteral))); + } + if (literal.parent.kind !== 296 /* SyntaxKind.PropertyAssignment */) { + break; + } + literal = literal.parent.parent; + type = getApparentTypeOfContextualType(literal); + } + // There was no contextual ThisType for the containing object literal, so the contextual type + // for 'this' is the non-null form of the contextual type for the containing object literal or + // the type of the object literal itself. + return getWidenedType(contextualType ? getNonNullableType(contextualType) : checkExpressionCached(containingLiteral)); + } + // In an assignment of the form 'obj.xxx = function(...)' or 'obj[xxx] = function(...)', the + // contextual type for 'this' is 'obj'. + var parent = ts.walkUpParenthesizedExpressions(func.parent); + if (parent.kind === 221 /* SyntaxKind.BinaryExpression */ && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + var target = parent.left; + if (ts.isAccessExpression(target)) { + var expression = target.expression; + // Don't contextually type `this` as `exports` in `exports.Point = function(x, y) { this.x = x; this.y = y; }` + if (inJs && ts.isIdentifier(expression)) { + var sourceFile = ts.getSourceFileOfNode(parent); + if (sourceFile.commonJsModuleIndicator && getResolvedSymbol(expression) === sourceFile.symbol) { + return undefined; + } + } + return getWidenedType(checkExpressionCached(expression)); + } + } + } + return undefined; + } + // Return contextual type of parameter or undefined if no contextual type is available + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (!isContextSensitiveFunctionOrObjectLiteralMethod(func)) { + return undefined; + } + var iife = ts.getImmediatelyInvokedFunctionExpression(func); + if (iife && iife.arguments) { + var args = getEffectiveCallArguments(iife); + var indexOfParameter = func.parameters.indexOf(parameter); + if (parameter.dotDotDotToken) { + return getSpreadArgumentType(args, indexOfParameter, args.length, anyType, /*context*/ undefined, 0 /* CheckMode.Normal */); + } + var links = getNodeLinks(iife); + var cached = links.resolvedSignature; + links.resolvedSignature = anySignature; + var type = indexOfParameter < args.length ? + getWidenedLiteralType(checkExpression(args[indexOfParameter])) : + parameter.initializer ? undefined : undefinedWideningType; + links.resolvedSignature = cached; + return type; + } + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var index = func.parameters.indexOf(parameter) - (ts.getThisParameter(func) ? 1 : 0); + return parameter.dotDotDotToken && ts.lastOrUndefined(func.parameters) === parameter ? + getRestTypeAtPosition(contextualSignature, index) : + tryGetTypeAtPosition(contextualSignature, index); + } + } + function getContextualTypeForVariableLikeDeclaration(declaration) { + var typeNode = ts.getEffectiveTypeAnnotationNode(declaration); + if (typeNode) { + return getTypeFromTypeNode(typeNode); + } + switch (declaration.kind) { + case 164 /* SyntaxKind.Parameter */: + return getContextuallyTypedParameterType(declaration); + case 203 /* SyntaxKind.BindingElement */: + return getContextualTypeForBindingElement(declaration); + case 167 /* SyntaxKind.PropertyDeclaration */: + if (ts.isStatic(declaration)) { + return getContextualTypeForStaticPropertyDeclaration(declaration); + } + // By default, do nothing and return undefined - only the above cases have context implied by a parent + } + } + function getContextualTypeForBindingElement(declaration) { + var parent = declaration.parent.parent; + var name = declaration.propertyName || declaration.name; + var parentType = getContextualTypeForVariableLikeDeclaration(parent) || + parent.kind !== 203 /* SyntaxKind.BindingElement */ && parent.initializer && checkDeclarationInitializer(parent, declaration.dotDotDotToken ? 64 /* CheckMode.RestBindingElement */ : 0 /* CheckMode.Normal */); + if (!parentType || ts.isBindingPattern(name) || ts.isComputedNonLiteralName(name)) + return undefined; + if (parent.name.kind === 202 /* SyntaxKind.ArrayBindingPattern */) { + var index = ts.indexOfNode(declaration.parent.elements, declaration); + if (index < 0) + return undefined; + return getContextualTypeForElementExpression(parentType, index); + } + var nameType = getLiteralTypeFromPropertyName(name); + if (isTypeUsableAsPropertyName(nameType)) { + var text = getPropertyNameFromType(nameType); + return getTypeOfPropertyOfType(parentType, text); + } + } + function getContextualTypeForStaticPropertyDeclaration(declaration) { + var parentType = ts.isExpression(declaration.parent) && getContextualType(declaration.parent); + if (!parentType) + return undefined; + return getTypeOfPropertyOfContextualType(parentType, getSymbolOfNode(declaration).escapedName); + } + // In a variable, parameter or property declaration with a type annotation, + // the contextual type of an initializer expression is the type of the variable, parameter or property. + // Otherwise, in a parameter declaration of a contextually typed function expression, + // the contextual type of an initializer expression is the contextual type of the parameter. + // Otherwise, in a variable or parameter declaration with a binding pattern name, + // the contextual type of an initializer expression is the type implied by the binding pattern. + // Otherwise, in a binding pattern inside a variable or parameter declaration, + // the contextual type of an initializer expression is the type annotation of the containing declaration, if present. + function getContextualTypeForInitializerExpression(node, contextFlags) { + var declaration = node.parent; + if (ts.hasInitializer(declaration) && node === declaration.initializer) { + var result = getContextualTypeForVariableLikeDeclaration(declaration); + if (result) { + return result; + } + if (!(contextFlags & 8 /* ContextFlags.SkipBindingPatterns */) && ts.isBindingPattern(declaration.name)) { // This is less a contextual type and more an implied shape - in some cases, this may be undesirable + return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ true, /*reportErrors*/ false); + } + } + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + var functionFlags = ts.getFunctionFlags(func); + if (functionFlags & 1 /* FunctionFlags.Generator */) { // Generator or AsyncGenerator function + var use = functionFlags & 2 /* FunctionFlags.Async */ ? 2 /* IterationUse.AsyncGeneratorReturnType */ : 1 /* IterationUse.GeneratorReturnType */; + var iterationTypes = getIterationTypesOfIterable(contextualReturnType, use, /*errorNode*/ undefined); + if (!iterationTypes) { + return undefined; + } + contextualReturnType = iterationTypes.returnType; + // falls through to unwrap Promise for AsyncGenerators + } + if (functionFlags & 2 /* FunctionFlags.Async */) { // Async function or AsyncGenerator function + // Get the awaited type without the `Awaited` alias + var contextualAwaitedType = mapType(contextualReturnType, getAwaitedTypeNoAlias); + return contextualAwaitedType && getUnionType([contextualAwaitedType, createPromiseLikeType(contextualAwaitedType)]); + } + return contextualReturnType; // Regular function or Generator function + } + } + return undefined; + } + function getContextualTypeForAwaitOperand(node, contextFlags) { + var contextualType = getContextualType(node, contextFlags); + if (contextualType) { + var contextualAwaitedType = getAwaitedTypeNoAlias(contextualType); + return contextualAwaitedType && getUnionType([contextualAwaitedType, createPromiseLikeType(contextualAwaitedType)]); + } + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var functionFlags = ts.getFunctionFlags(func); + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getIterationTypeOfGeneratorFunctionReturnType(0 /* IterationTypeKind.Yield */, contextualReturnType, (functionFlags & 2 /* FunctionFlags.Async */) !== 0); + } + } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + var inBindingInitializer = false; + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (ts.isParameter(node.parent) && (inBindingInitializer || node.parent.initializer === node)) { + return true; + } + if (ts.isBindingElement(node.parent) && node.parent.initializer === node) { + inBindingInitializer = true; + } + node = node.parent; + } + return false; + } + function getContextualIterationType(kind, functionDecl) { + var isAsync = !!(ts.getFunctionFlags(functionDecl) & 2 /* FunctionFlags.Async */); + var contextualReturnType = getContextualReturnType(functionDecl); + if (contextualReturnType) { + return getIterationTypeOfGeneratorFunctionReturnType(kind, contextualReturnType, isAsync) + || undefined; + } + return undefined; + } + function getContextualReturnType(functionDecl) { + // If the containing function has a return type annotation, is a constructor, or is a get accessor whose + // corresponding set accessor has a type annotation, return statements in the function are contextually typed + var returnType = getReturnTypeFromAnnotation(functionDecl); + if (returnType) { + return returnType; + } + // Otherwise, if the containing function is contextually typed by a function type with exactly one call signature + // and that call signature is non-generic, return statements are contextually typed by the return type of the signature + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature && !isResolvingReturnTypeOfSignature(signature)) { + return getReturnTypeOfSignature(signature); + } + var iife = ts.getImmediatelyInvokedFunctionExpression(functionDecl); + if (iife) { + return getContextualType(iife); + } + return undefined; + } + // In a typed function call, an argument or substitution expression is contextually typed by the type of the corresponding parameter. + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = args.indexOf(arg); // -1 for e.g. the expression of a CallExpression, or the tag of a TaggedTemplateExpression + return argIndex === -1 ? undefined : getContextualTypeForArgumentAtIndex(callTarget, argIndex); + } + function getContextualTypeForArgumentAtIndex(callTarget, argIndex) { + if (ts.isImportCall(callTarget)) { + return argIndex === 0 ? stringType : + argIndex === 1 ? getGlobalImportCallOptionsType(/*reportErrors*/ false) : + anyType; + } + // If we're already in the process of resolving the given signature, don't resolve again as + // that could cause infinite recursion. Instead, return anySignature. + var signature = getNodeLinks(callTarget).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(callTarget); + if (ts.isJsxOpeningLikeElement(callTarget) && argIndex === 0) { + return getEffectiveFirstArgumentForJsxSignature(signature, callTarget); + } + var restIndex = signature.parameters.length - 1; + return signatureHasRestParameter(signature) && argIndex >= restIndex ? + getIndexedAccessType(getTypeOfSymbol(signature.parameters[restIndex]), getNumberLiteralType(argIndex - restIndex), 256 /* AccessFlags.Contextual */) : + getTypeAtPosition(signature, argIndex); + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 210 /* SyntaxKind.TaggedTemplateExpression */) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node, contextFlags) { + var binaryExpression = node.parent; + var left = binaryExpression.left, operatorToken = binaryExpression.operatorToken, right = binaryExpression.right; + switch (operatorToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: + case 75 /* SyntaxKind.BarBarEqualsToken */: + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: + return node === right ? getContextualTypeForAssignmentDeclaration(binaryExpression) : undefined; + case 56 /* SyntaxKind.BarBarToken */: + case 60 /* SyntaxKind.QuestionQuestionToken */: + // When an || expression has a contextual type, the operands are contextually typed by that type, except + // when that type originates in a binding pattern, the right operand is contextually typed by the type of + // the left operand. When an || expression has no contextual type, the right operand is contextually typed + // by the type of the left operand, except for the special case of Javascript declarations of the form + // `namespace.prop = namespace.prop || {}`. + var type = getContextualType(binaryExpression, contextFlags); + return node === right && (type && type.pattern || !type && !ts.isDefaultedExpandoInitializer(binaryExpression)) ? + getTypeOfExpression(left) : type; + case 55 /* SyntaxKind.AmpersandAmpersandToken */: + case 27 /* SyntaxKind.CommaToken */: + return node === right ? getContextualType(binaryExpression, contextFlags) : undefined; + default: + return undefined; + } + } + /** + * Try to find a resolved symbol for an expression without also resolving its type, as + * getSymbolAtLocation would (as that could be reentrant into contextual typing) + */ + function getSymbolForExpression(e) { + if (e.symbol) { + return e.symbol; + } + if (ts.isIdentifier(e)) { + return getResolvedSymbol(e); + } + if (ts.isPropertyAccessExpression(e)) { + var lhsType = getTypeOfExpression(e.expression); + return ts.isPrivateIdentifier(e.name) ? tryGetPrivateIdentifierPropertyOfType(lhsType, e.name) : getPropertyOfType(lhsType, e.name.escapedText); + } + return undefined; + function tryGetPrivateIdentifierPropertyOfType(type, id) { + var lexicallyScopedSymbol = lookupSymbolForPrivateIdentifierDeclaration(id.escapedText, id); + return lexicallyScopedSymbol && getPrivateIdentifierPropertyOfType(type, lexicallyScopedSymbol); + } + } + // In an assignment expression, the right operand is contextually typed by the type of the left operand. + // Don't do this for assignment declarations unless there is a type tag on the assignment, to avoid circularity from checking the right operand. + function getContextualTypeForAssignmentDeclaration(binaryExpression) { + var _a, _b; + var kind = ts.getAssignmentDeclarationKind(binaryExpression); + switch (kind) { + case 0 /* AssignmentDeclarationKind.None */: + case 4 /* AssignmentDeclarationKind.ThisProperty */: + var lhsSymbol = getSymbolForExpression(binaryExpression.left); + var decl = lhsSymbol && lhsSymbol.valueDeclaration; + // Unannotated, uninitialized property declarations have a type implied by their usage in the constructor. + // We avoid calling back into `getTypeOfExpression` and reentering contextual typing to avoid a bogus circularity error in that case. + if (decl && (ts.isPropertyDeclaration(decl) || ts.isPropertySignature(decl))) { + var overallAnnotation = ts.getEffectiveTypeAnnotationNode(decl); + return (overallAnnotation && instantiateType(getTypeFromTypeNode(overallAnnotation), getSymbolLinks(lhsSymbol).mapper)) || + (decl.initializer && getTypeOfExpression(binaryExpression.left)); + } + if (kind === 0 /* AssignmentDeclarationKind.None */) { + return getTypeOfExpression(binaryExpression.left); + } + return getContextualTypeForThisPropertyAssignment(binaryExpression); + case 5 /* AssignmentDeclarationKind.Property */: + if (isPossiblyAliasedThisProperty(binaryExpression, kind)) { + return getContextualTypeForThisPropertyAssignment(binaryExpression); + } + // If `binaryExpression.left` was assigned a symbol, then this is a new declaration; otherwise it is an assignment to an existing declaration. + // See `bindStaticPropertyAssignment` in `binder.ts`. + else if (!binaryExpression.left.symbol) { + return getTypeOfExpression(binaryExpression.left); + } + else { + var decl_1 = binaryExpression.left.symbol.valueDeclaration; + if (!decl_1) { + return undefined; + } + var lhs = ts.cast(binaryExpression.left, ts.isAccessExpression); + var overallAnnotation = ts.getEffectiveTypeAnnotationNode(decl_1); + if (overallAnnotation) { + return getTypeFromTypeNode(overallAnnotation); + } + else if (ts.isIdentifier(lhs.expression)) { + var id = lhs.expression; + var parentSymbol = resolveName(id, id.escapedText, 111551 /* SymbolFlags.Value */, undefined, id.escapedText, /*isUse*/ true); + if (parentSymbol) { + var annotated_1 = parentSymbol.valueDeclaration && ts.getEffectiveTypeAnnotationNode(parentSymbol.valueDeclaration); + if (annotated_1) { + var nameStr = ts.getElementOrPropertyAccessName(lhs); + if (nameStr !== undefined) { + return getTypeOfPropertyOfContextualType(getTypeFromTypeNode(annotated_1), nameStr); + } + } + return undefined; + } + } + return ts.isInJSFile(decl_1) ? undefined : getTypeOfExpression(binaryExpression.left); + } + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + case 6 /* AssignmentDeclarationKind.Prototype */: + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: + var valueDeclaration = (_a = binaryExpression.left.symbol) === null || _a === void 0 ? void 0 : _a.valueDeclaration; + // falls through + case 2 /* AssignmentDeclarationKind.ModuleExports */: + valueDeclaration || (valueDeclaration = (_b = binaryExpression.symbol) === null || _b === void 0 ? void 0 : _b.valueDeclaration); + var annotated = valueDeclaration && ts.getEffectiveTypeAnnotationNode(valueDeclaration); + return annotated ? getTypeFromTypeNode(annotated) : undefined; + case 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */: + case 8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */: + case 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */: + return ts.Debug.fail("Does not apply"); + default: + return ts.Debug.assertNever(kind); + } + } + function isPossiblyAliasedThisProperty(declaration, kind) { + if (kind === void 0) { kind = ts.getAssignmentDeclarationKind(declaration); } + if (kind === 4 /* AssignmentDeclarationKind.ThisProperty */) { + return true; + } + if (!ts.isInJSFile(declaration) || kind !== 5 /* AssignmentDeclarationKind.Property */ || !ts.isIdentifier(declaration.left.expression)) { + return false; + } + var name = declaration.left.expression.escapedText; + var symbol = resolveName(declaration.left, name, 111551 /* SymbolFlags.Value */, undefined, undefined, /*isUse*/ true, /*excludeGlobals*/ true); + return ts.isThisInitializedDeclaration(symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration); + } + function getContextualTypeForThisPropertyAssignment(binaryExpression) { + if (!binaryExpression.symbol) + return getTypeOfExpression(binaryExpression.left); + if (binaryExpression.symbol.valueDeclaration) { + var annotated = ts.getEffectiveTypeAnnotationNode(binaryExpression.symbol.valueDeclaration); + if (annotated) { + var type = getTypeFromTypeNode(annotated); + if (type) { + return type; + } + } + } + var thisAccess = ts.cast(binaryExpression.left, ts.isAccessExpression); + if (!ts.isObjectLiteralMethod(ts.getThisContainer(thisAccess.expression, /*includeArrowFunctions*/ false))) { + return undefined; + } + var thisType = checkThisExpression(thisAccess.expression); + var nameStr = ts.getElementOrPropertyAccessName(thisAccess); + return nameStr !== undefined && getTypeOfPropertyOfContextualType(thisType, nameStr) || undefined; + } + function isCircularMappedProperty(symbol) { + return !!(ts.getCheckFlags(symbol) & 262144 /* CheckFlags.Mapped */ && !symbol.type && findResolutionCycleStartIndex(symbol, 0 /* TypeSystemPropertyName.Type */) >= 0); + } + function getTypeOfPropertyOfContextualType(type, name, nameType) { + return mapType(type, function (t) { + var _a; + if (isGenericMappedType(t) && !t.declaration.nameType) { + var constraint = getConstraintTypeFromMappedType(t); + var constraintOfConstraint = getBaseConstraintOfType(constraint) || constraint; + var propertyNameType = nameType || getStringLiteralType(ts.unescapeLeadingUnderscores(name)); + if (isTypeAssignableTo(propertyNameType, constraintOfConstraint)) { + return substituteIndexedMappedType(t, propertyNameType); + } + } + else if (t.flags & 3670016 /* TypeFlags.StructuredType */) { + var prop = getPropertyOfType(t, name); + if (prop) { + return isCircularMappedProperty(prop) ? undefined : getTypeOfSymbol(prop); + } + if (isTupleType(t)) { + var restType = getRestTypeOfTupleType(t); + if (restType && ts.isNumericLiteralName(name) && +name >= 0) { + return restType; + } + } + return (_a = findApplicableIndexInfo(getIndexInfosOfStructuredType(t), nameType || getStringLiteralType(ts.unescapeLeadingUnderscores(name)))) === null || _a === void 0 ? void 0 : _a.type; + } + return undefined; + }, /*noReductions*/ true); + } + // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of + // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one + // exists. Otherwise, it is the type of the string index signature in T, if one exists. + function getContextualTypeForObjectLiteralMethod(node, contextFlags) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (node.flags & 33554432 /* NodeFlags.InWithStatement */) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + return getContextualTypeForObjectLiteralElement(node, contextFlags); + } + function getContextualTypeForObjectLiteralElement(element, contextFlags) { + var objectLiteral = element.parent; + var propertyAssignmentType = ts.isPropertyAssignment(element) && getContextualTypeForVariableLikeDeclaration(element); + if (propertyAssignmentType) { + return propertyAssignmentType; + } + var type = getApparentTypeOfContextualType(objectLiteral, contextFlags); + if (type) { + if (hasBindableName(element)) { + // For a (non-symbol) computed property, there is no reason to look up the name + // in the type. It will just be "__computed", which does not appear in any + // SymbolTable. + var symbol = getSymbolOfNode(element); + return getTypeOfPropertyOfContextualType(type, symbol.escapedName, getSymbolLinks(symbol).nameType); + } + if (element.name) { + var nameType_2 = getLiteralTypeFromPropertyName(element.name); + // We avoid calling getApplicableIndexInfo here because it performs potentially expensive intersection reduction. + return mapType(type, function (t) { var _a; return (_a = findApplicableIndexInfo(getIndexInfosOfStructuredType(t), nameType_2)) === null || _a === void 0 ? void 0 : _a.type; }, /*noReductions*/ true); + } + } + return undefined; + } + // In an array literal contextually typed by a type T, the contextual type of an element expression at index N is + // the type of the property with the numeric name N in T, if one exists. Otherwise, if T has a numeric index signature, + // it is the type of the numeric index signature in T. Otherwise, in ES6 and higher, the contextual type is the iterated + // type of T. + function getContextualTypeForElementExpression(arrayContextualType, index) { + return arrayContextualType && (getTypeOfPropertyOfContextualType(arrayContextualType, "" + index) + || mapType(arrayContextualType, function (t) { return getIteratedTypeOrElementType(1 /* IterationUse.Element */, t, undefinedType, /*errorNode*/ undefined, /*checkAssignability*/ false); }, + /*noReductions*/ true)); + } + // In a contextually typed conditional expression, the true/false expressions are contextually typed by the same type. + function getContextualTypeForConditionalOperand(node, contextFlags) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional, contextFlags) : undefined; + } + function getContextualTypeForChildJsxExpression(node, child) { + var attributesType = getApparentTypeOfContextualType(node.openingElement.tagName); + // JSX expression is in children of JSX Element, we will look for an "children" attribute (we get the name from JSX.ElementAttributesProperty) + var jsxChildrenPropertyName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(node)); + if (!(attributesType && !isTypeAny(attributesType) && jsxChildrenPropertyName && jsxChildrenPropertyName !== "")) { + return undefined; + } + var realChildren = ts.getSemanticJsxChildren(node.children); + var childIndex = realChildren.indexOf(child); + var childFieldType = getTypeOfPropertyOfContextualType(attributesType, jsxChildrenPropertyName); + return childFieldType && (realChildren.length === 1 ? childFieldType : mapType(childFieldType, function (t) { + if (isArrayLikeType(t)) { + return getIndexedAccessType(t, getNumberLiteralType(childIndex)); + } + else { + return t; + } + }, /*noReductions*/ true)); + } + function getContextualTypeForJsxExpression(node) { + var exprParent = node.parent; + return ts.isJsxAttributeLike(exprParent) + ? getContextualType(node) + : ts.isJsxElement(exprParent) + ? getContextualTypeForChildJsxExpression(exprParent, node) + : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + // When we trying to resolve JsxOpeningLikeElement as a stateless function element, we will already give its attributes a contextual type + // which is a type of the parameter of the signature we are trying out. + // If there is no contextual type (e.g. we are trying to resolve stateful component), get attributes type from resolving element's tagName + if (ts.isJsxAttribute(attribute)) { + var attributesType = getApparentTypeOfContextualType(attribute.parent); + if (!attributesType || isTypeAny(attributesType)) { + return undefined; + } + return getTypeOfPropertyOfContextualType(attributesType, attribute.name.escapedText); + } + else { + return getContextualType(attribute.parent); + } + } + // Return true if the given expression is possibly a discriminant value. We limit the kinds of + // expressions we check to those that don't depend on their contextual type in order not to cause + // recursive (and possibly infinite) invocations of getContextualType. + function isPossiblyDiscriminantValue(node) { + switch (node.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + case 9 /* SyntaxKind.BigIntLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + case 104 /* SyntaxKind.NullKeyword */: + case 79 /* SyntaxKind.Identifier */: + case 153 /* SyntaxKind.UndefinedKeyword */: + return true; + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + return isPossiblyDiscriminantValue(node.expression); + case 288 /* SyntaxKind.JsxExpression */: + return !node.expression || isPossiblyDiscriminantValue(node.expression); + } + return false; + } + function discriminateContextualTypeByObjectMembers(node, contextualType) { + return getMatchingUnionConstituentForObjectLiteral(contextualType, node) || discriminateTypeByDiscriminableItems(contextualType, ts.concatenate(ts.map(ts.filter(node.properties, function (p) { return !!p.symbol && p.kind === 296 /* SyntaxKind.PropertyAssignment */ && isPossiblyDiscriminantValue(p.initializer) && isDiscriminantProperty(contextualType, p.symbol.escapedName); }), function (prop) { return [function () { return getContextFreeTypeOfExpression(prop.initializer); }, prop.symbol.escapedName]; }), ts.map(ts.filter(getPropertiesOfType(contextualType), function (s) { var _a; return !!(s.flags & 16777216 /* SymbolFlags.Optional */) && !!((_a = node === null || node === void 0 ? void 0 : node.symbol) === null || _a === void 0 ? void 0 : _a.members) && !node.symbol.members.has(s.escapedName) && isDiscriminantProperty(contextualType, s.escapedName); }), function (s) { return [function () { return undefinedType; }, s.escapedName]; })), isTypeAssignableTo, contextualType); + } + function discriminateContextualTypeByJSXAttributes(node, contextualType) { + return discriminateTypeByDiscriminableItems(contextualType, ts.concatenate(ts.map(ts.filter(node.properties, function (p) { return !!p.symbol && p.kind === 285 /* SyntaxKind.JsxAttribute */ && isDiscriminantProperty(contextualType, p.symbol.escapedName) && (!p.initializer || isPossiblyDiscriminantValue(p.initializer)); }), function (prop) { return [!prop.initializer ? (function () { return trueType; }) : (function () { return getContextFreeTypeOfExpression(prop.initializer); }), prop.symbol.escapedName]; }), ts.map(ts.filter(getPropertiesOfType(contextualType), function (s) { var _a; return !!(s.flags & 16777216 /* SymbolFlags.Optional */) && !!((_a = node === null || node === void 0 ? void 0 : node.symbol) === null || _a === void 0 ? void 0 : _a.members) && !node.symbol.members.has(s.escapedName) && isDiscriminantProperty(contextualType, s.escapedName); }), function (s) { return [function () { return undefinedType; }, s.escapedName]; })), isTypeAssignableTo, contextualType); + } + // Return the contextual type for a given expression node. During overload resolution, a contextual type may temporarily + // be "pushed" onto a node using the contextualType property. + function getApparentTypeOfContextualType(node, contextFlags) { + var contextualType = ts.isObjectLiteralMethod(node) ? + getContextualTypeForObjectLiteralMethod(node, contextFlags) : + getContextualType(node, contextFlags); + var instantiatedType = instantiateContextualType(contextualType, node, contextFlags); + if (instantiatedType && !(contextFlags && contextFlags & 2 /* ContextFlags.NoConstraints */ && instantiatedType.flags & 8650752 /* TypeFlags.TypeVariable */)) { + var apparentType = mapType(instantiatedType, getApparentType, /*noReductions*/ true); + return apparentType.flags & 1048576 /* TypeFlags.Union */ && ts.isObjectLiteralExpression(node) ? discriminateContextualTypeByObjectMembers(node, apparentType) : + apparentType.flags & 1048576 /* TypeFlags.Union */ && ts.isJsxAttributes(node) ? discriminateContextualTypeByJSXAttributes(node, apparentType) : + apparentType; + } + } + // If the given contextual type contains instantiable types and if a mapper representing + // return type inferences is available, instantiate those types using that mapper. + function instantiateContextualType(contextualType, node, contextFlags) { + if (contextualType && maybeTypeOfKind(contextualType, 465829888 /* TypeFlags.Instantiable */)) { + var inferenceContext = getInferenceContext(node); + // If no inferences have been made, nothing is gained from instantiating as type parameters + // would just be replaced with their defaults similar to the apparent type. + if (inferenceContext && ts.some(inferenceContext.inferences, hasInferenceCandidates)) { + // For contextual signatures we incorporate all inferences made so far, e.g. from return + // types as well as arguments to the left in a function call. + if (contextFlags && contextFlags & 1 /* ContextFlags.Signature */) { + return instantiateInstantiableTypes(contextualType, inferenceContext.nonFixingMapper); + } + // For other purposes (e.g. determining whether to produce literal types) we only + // incorporate inferences made from the return type in a function call. We remove + // the 'boolean' type from the contextual type such that contextually typed boolean + // literals actually end up widening to 'boolean' (see #48363). + if (inferenceContext.returnMapper) { + var type = instantiateInstantiableTypes(contextualType, inferenceContext.returnMapper); + return type.flags & 1048576 /* TypeFlags.Union */ && containsType(type.types, regularFalseType) && containsType(type.types, regularTrueType) ? + filterType(type, function (t) { return t !== regularFalseType && t !== regularTrueType; }) : + type; + } + } + } + return contextualType; + } + // This function is similar to instantiateType, except that (a) it only instantiates types that + // are classified as instantiable (i.e. it doesn't instantiate object types), and (b) it performs + // no reductions on instantiated union types. + function instantiateInstantiableTypes(type, mapper) { + if (type.flags & 465829888 /* TypeFlags.Instantiable */) { + return instantiateType(type, mapper); + } + if (type.flags & 1048576 /* TypeFlags.Union */) { + return getUnionType(ts.map(type.types, function (t) { return instantiateInstantiableTypes(t, mapper); }), 0 /* UnionReduction.None */); + } + if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return getIntersectionType(ts.map(type.types, function (t) { return instantiateInstantiableTypes(t, mapper); })); + } + return type; + } + /** + * Whoa! Do you really want to use this function? + * + * Unless you're trying to get the *non-apparent* type for a + * value-literal type or you're authoring relevant portions of this algorithm, + * you probably meant to use 'getApparentTypeOfContextualType'. + * Otherwise this may not be very useful. + * + * In cases where you *are* working on this function, you should understand + * when it is appropriate to use 'getContextualType' and 'getApparentTypeOfContextualType'. + * + * - Use 'getContextualType' when you are simply going to propagate the result to the expression. + * - Use 'getApparentTypeOfContextualType' when you're going to need the members of the type. + * + * @param node the expression whose contextual type will be returned. + * @returns the contextual type of an expression. + */ + function getContextualType(node, contextFlags) { + if (node.flags & 33554432 /* NodeFlags.InWithStatement */) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + case 164 /* SyntaxKind.Parameter */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 203 /* SyntaxKind.BindingElement */: + return getContextualTypeForInitializerExpression(node, contextFlags); + case 214 /* SyntaxKind.ArrowFunction */: + case 247 /* SyntaxKind.ReturnStatement */: + return getContextualTypeForReturnExpression(node); + case 224 /* SyntaxKind.YieldExpression */: + return getContextualTypeForYieldOperand(parent); + case 218 /* SyntaxKind.AwaitExpression */: + return getContextualTypeForAwaitOperand(parent, contextFlags); + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + return getContextualTypeForArgument(parent, node); + case 211 /* SyntaxKind.TypeAssertionExpression */: + case 229 /* SyntaxKind.AsExpression */: + return ts.isConstTypeReference(parent.type) ? tryFindWhenConstTypeReference(parent) : getTypeFromTypeNode(parent.type); + case 221 /* SyntaxKind.BinaryExpression */: + return getContextualTypeForBinaryOperand(node, contextFlags); + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return getContextualTypeForObjectLiteralElement(parent, contextFlags); + case 298 /* SyntaxKind.SpreadAssignment */: + return getContextualType(parent.parent, contextFlags); + case 204 /* SyntaxKind.ArrayLiteralExpression */: { + var arrayLiteral = parent; + var type = getApparentTypeOfContextualType(arrayLiteral, contextFlags); + return getContextualTypeForElementExpression(type, ts.indexOfNode(arrayLiteral.elements, node)); + } + case 222 /* SyntaxKind.ConditionalExpression */: + return getContextualTypeForConditionalOperand(node, contextFlags); + case 233 /* SyntaxKind.TemplateSpan */: + ts.Debug.assert(parent.parent.kind === 223 /* SyntaxKind.TemplateExpression */); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 212 /* SyntaxKind.ParenthesizedExpression */: { + // Like in `checkParenthesizedExpression`, an `/** @type {xyz} */` comment before a parenthesized expression acts as a type cast. + var tag = ts.isInJSFile(parent) ? ts.getJSDocTypeTag(parent) : undefined; + return !tag ? getContextualType(parent, contextFlags) : + ts.isJSDocTypeTag(tag) && ts.isConstTypeReference(tag.typeExpression.type) ? tryFindWhenConstTypeReference(parent) : + getTypeFromTypeNode(tag.typeExpression.type); + } + case 230 /* SyntaxKind.NonNullExpression */: + return getContextualType(parent, contextFlags); + case 271 /* SyntaxKind.ExportAssignment */: + return tryGetTypeFromEffectiveTypeNode(parent); + case 288 /* SyntaxKind.JsxExpression */: + return getContextualTypeForJsxExpression(parent); + case 285 /* SyntaxKind.JsxAttribute */: + case 287 /* SyntaxKind.JsxSpreadAttribute */: + return getContextualTypeForJsxAttribute(parent); + case 280 /* SyntaxKind.JsxOpeningElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return getContextualJsxElementAttributesType(parent, contextFlags); + } + return undefined; + function tryFindWhenConstTypeReference(node) { + return getContextualType(node); + } + } + function getInferenceContext(node) { + var ancestor = ts.findAncestor(node, function (n) { return !!n.inferenceContext; }); + return ancestor && ancestor.inferenceContext; + } + function getContextualJsxElementAttributesType(node, contextFlags) { + if (ts.isJsxOpeningElement(node) && node.parent.contextualType && contextFlags !== 4 /* ContextFlags.Completions */) { + // Contextually applied type is moved from attributes up to the outer jsx attributes so when walking up from the children they get hit + // _However_ to hit them from the _attributes_ we must look for them here; otherwise we'll used the declared type + // (as below) instead! + return node.parent.contextualType; + } + return getContextualTypeForArgumentAtIndex(node, 0); + } + function getEffectiveFirstArgumentForJsxSignature(signature, node) { + return getJsxReferenceKind(node) !== 0 /* JsxReferenceKind.Component */ + ? getJsxPropsTypeFromCallSignature(signature, node) + : getJsxPropsTypeFromClassType(signature, node); + } + function getJsxPropsTypeFromCallSignature(sig, context) { + var propsType = getTypeOfFirstParameterOfSignatureWithFallback(sig, unknownType); + propsType = getJsxManagedAttributesFromLocatedAttributes(context, getJsxNamespaceAt(context), propsType); + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes, context); + if (!isErrorType(intrinsicAttribs)) { + propsType = intersectTypes(intrinsicAttribs, propsType); + } + return propsType; + } + function getJsxPropsTypeForSignatureFromMember(sig, forcedLookupLocation) { + if (sig.compositeSignatures) { + // JSX Elements using the legacy `props`-field based lookup (eg, react class components) need to treat the `props` member as an input + // instead of an output position when resolving the signature. We need to go back to the input signatures of the composite signature, + // get the type of `props` on each return type individually, and then _intersect them_, rather than union them (as would normally occur + // for a union signature). It's an unfortunate quirk of looking in the output of the signature for the type we want to use for the input. + // The default behavior of `getTypeOfFirstParameterOfSignatureWithFallback` when no `props` member name is defined is much more sane. + var results = []; + for (var _i = 0, _a = sig.compositeSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + var instance = getReturnTypeOfSignature(signature); + if (isTypeAny(instance)) { + return instance; + } + var propType = getTypeOfPropertyOfType(instance, forcedLookupLocation); + if (!propType) { + return; + } + results.push(propType); + } + return getIntersectionType(results); // Same result for both union and intersection signatures + } + var instanceType = getReturnTypeOfSignature(sig); + return isTypeAny(instanceType) ? instanceType : getTypeOfPropertyOfType(instanceType, forcedLookupLocation); + } + function getStaticTypeOfReferencedJsxConstructor(context) { + if (isJsxIntrinsicIdentifier(context.tagName)) { + var result = getIntrinsicAttributesTypeFromJsxOpeningLikeElement(context); + var fakeSignature = createSignatureForJSXIntrinsic(context, result); + return getOrCreateTypeFromSignature(fakeSignature); + } + var tagType = checkExpressionCached(context.tagName); + if (tagType.flags & 128 /* TypeFlags.StringLiteral */) { + var result = getIntrinsicAttributesTypeFromStringLiteralType(tagType, context); + if (!result) { + return errorType; + } + var fakeSignature = createSignatureForJSXIntrinsic(context, result); + return getOrCreateTypeFromSignature(fakeSignature); + } + return tagType; + } + function getJsxManagedAttributesFromLocatedAttributes(context, ns, attributesType) { + var managedSym = getJsxLibraryManagedAttributes(ns); + if (managedSym) { + var declaredManagedType = getDeclaredTypeOfSymbol(managedSym); // fetches interface type, or initializes symbol links type parmaeters + var ctorType = getStaticTypeOfReferencedJsxConstructor(context); + if (managedSym.flags & 524288 /* SymbolFlags.TypeAlias */) { + var params = getSymbolLinks(managedSym).typeParameters; + if (ts.length(params) >= 2) { + var args = fillMissingTypeArguments([ctorType, attributesType], params, 2, ts.isInJSFile(context)); + return getTypeAliasInstantiation(managedSym, args); + } + } + if (ts.length(declaredManagedType.typeParameters) >= 2) { + var args = fillMissingTypeArguments([ctorType, attributesType], declaredManagedType.typeParameters, 2, ts.isInJSFile(context)); + return createTypeReference(declaredManagedType, args); + } + } + return attributesType; + } + function getJsxPropsTypeFromClassType(sig, context) { + var ns = getJsxNamespaceAt(context); + var forcedLookupLocation = getJsxElementPropertiesName(ns); + var attributesType = forcedLookupLocation === undefined + // If there is no type ElementAttributesProperty, return the type of the first parameter of the signature, which should be the props type + ? getTypeOfFirstParameterOfSignatureWithFallback(sig, unknownType) + : forcedLookupLocation === "" + // If there is no e.g. 'props' member in ElementAttributesProperty, use the element class type instead + ? getReturnTypeOfSignature(sig) + // Otherwise get the type of the property on the signature return type + : getJsxPropsTypeForSignatureFromMember(sig, forcedLookupLocation); + if (!attributesType) { + // There is no property named 'props' on this instance type + if (!!forcedLookupLocation && !!ts.length(context.attributes.properties)) { + error(context, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, ts.unescapeLeadingUnderscores(forcedLookupLocation)); + } + return unknownType; + } + attributesType = getJsxManagedAttributesFromLocatedAttributes(context, ns, attributesType); + if (isTypeAny(attributesType)) { + // Props is of type 'any' or unknown + return attributesType; + } + else { + // Normal case -- add in IntrinsicClassElements and IntrinsicElements + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes, context); + if (!isErrorType(intrinsicClassAttribs)) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + var hostClassType = getReturnTypeOfSignature(sig); + apparentAttributesType = intersectTypes(typeParams + ? createTypeReference(intrinsicClassAttribs, fillMissingTypeArguments([hostClassType], typeParams, getMinTypeArgumentCount(typeParams), ts.isInJSFile(context))) + : intrinsicClassAttribs, apparentAttributesType); + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes, context); + if (!isErrorType(intrinsicAttribs)) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return apparentAttributesType; + } + } + function getIntersectedSignatures(signatures) { + return ts.getStrictOptionValue(compilerOptions, "noImplicitAny") + ? ts.reduceLeft(signatures, function (left, right) { + return left === right || !left ? left + : compareTypeParametersIdentical(left.typeParameters, right.typeParameters) ? combineSignaturesOfIntersectionMembers(left, right) + : undefined; + }) + : undefined; + } + function combineIntersectionThisParam(left, right, mapper) { + if (!left || !right) { + return left || right; + } + // A signature `this` type might be a read or a write position... It's very possible that it should be invariant + // and we should refuse to merge signatures if there are `this` types and they do not match. However, so as to be + // pessimistic when contextual typing, for now, we'll union the `this` types. + var thisType = getUnionType([getTypeOfSymbol(left), instantiateType(getTypeOfSymbol(right), mapper)]); + return createSymbolWithType(left, thisType); + } + function combineIntersectionParameters(left, right, mapper) { + var leftCount = getParameterCount(left); + var rightCount = getParameterCount(right); + var longest = leftCount >= rightCount ? left : right; + var shorter = longest === left ? right : left; + var longestCount = longest === left ? leftCount : rightCount; + var eitherHasEffectiveRest = (hasEffectiveRestParameter(left) || hasEffectiveRestParameter(right)); + var needsExtraRestElement = eitherHasEffectiveRest && !hasEffectiveRestParameter(longest); + var params = new Array(longestCount + (needsExtraRestElement ? 1 : 0)); + for (var i = 0; i < longestCount; i++) { + var longestParamType = tryGetTypeAtPosition(longest, i); + if (longest === right) { + longestParamType = instantiateType(longestParamType, mapper); + } + var shorterParamType = tryGetTypeAtPosition(shorter, i) || unknownType; + if (shorter === right) { + shorterParamType = instantiateType(shorterParamType, mapper); + } + var unionParamType = getUnionType([longestParamType, shorterParamType]); + var isRestParam = eitherHasEffectiveRest && !needsExtraRestElement && i === (longestCount - 1); + var isOptional = i >= getMinArgumentCount(longest) && i >= getMinArgumentCount(shorter); + var leftName = i >= leftCount ? undefined : getParameterNameAtPosition(left, i); + var rightName = i >= rightCount ? undefined : getParameterNameAtPosition(right, i); + var paramName = leftName === rightName ? leftName : + !leftName ? rightName : + !rightName ? leftName : + undefined; + var paramSymbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */ | (isOptional && !isRestParam ? 16777216 /* SymbolFlags.Optional */ : 0), paramName || "arg".concat(i)); + paramSymbol.type = isRestParam ? createArrayType(unionParamType) : unionParamType; + params[i] = paramSymbol; + } + if (needsExtraRestElement) { + var restParamSymbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */, "args"); + restParamSymbol.type = createArrayType(getTypeAtPosition(shorter, longestCount)); + if (shorter === right) { + restParamSymbol.type = instantiateType(restParamSymbol.type, mapper); + } + params[longestCount] = restParamSymbol; + } + return params; + } + function combineSignaturesOfIntersectionMembers(left, right) { + var typeParams = left.typeParameters || right.typeParameters; + var paramMapper; + if (left.typeParameters && right.typeParameters) { + paramMapper = createTypeMapper(right.typeParameters, left.typeParameters); + // We just use the type parameter defaults from the first signature + } + var declaration = left.declaration; + var params = combineIntersectionParameters(left, right, paramMapper); + var thisParam = combineIntersectionThisParam(left.thisParameter, right.thisParameter, paramMapper); + var minArgCount = Math.max(left.minArgumentCount, right.minArgumentCount); + var result = createSignature(declaration, typeParams, thisParam, params, + /*resolvedReturnType*/ undefined, + /*resolvedTypePredicate*/ undefined, minArgCount, (left.flags | right.flags) & 39 /* SignatureFlags.PropagatingFlags */); + result.compositeKind = 2097152 /* TypeFlags.Intersection */; + result.compositeSignatures = ts.concatenate(left.compositeKind === 2097152 /* TypeFlags.Intersection */ && left.compositeSignatures || [left], [right]); + if (paramMapper) { + result.mapper = left.compositeKind === 2097152 /* TypeFlags.Intersection */ && left.mapper && left.compositeSignatures ? combineTypeMappers(left.mapper, paramMapper) : paramMapper; + } + return result; + } + // If the given type is an object or union type with a single signature, and if that signature has at + // least as many parameters as the given function, return the signature. Otherwise return undefined. + function getContextualCallSignature(type, node) { + var signatures = getSignaturesOfType(type, 0 /* SignatureKind.Call */); + var applicableByArity = ts.filter(signatures, function (s) { return !isAritySmaller(s, node); }); + return applicableByArity.length === 1 ? applicableByArity[0] : getIntersectedSignatures(applicableByArity); + } + /** If the contextual signature has fewer parameters than the function expression, do not use it */ + function isAritySmaller(signature, target) { + var targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + var param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + return !hasEffectiveRestParameter(signature) && getParameterCount(signature) < targetParameterCount; + } + function getContextualSignatureForFunctionLikeDeclaration(node) { + // Only function expressions, arrow functions, and object literal methods are contextually typed. + return ts.isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; + } + // Return the contextual signature for a given expression node. A contextual type provides a + // contextual signature if it has a single call signature and if that call signature is non-generic. + // If the contextual type is a union type, get the signature from each type possible and if they are + // all identical ignoring their return type, the result is same signature but with return type as + // union type of return types from these signatures + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 169 /* SyntaxKind.MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + var typeTagSignature = getSignatureOfTypeTag(node); + if (typeTagSignature) { + return typeTagSignature; + } + var type = getApparentTypeOfContextualType(node, 1 /* ContextFlags.Signature */); + if (!type) { + return undefined; + } + if (!(type.flags & 1048576 /* TypeFlags.Union */)) { + return getContextualCallSignature(type, node); + } + var signatureList; + var types = type.types; + for (var _i = 0, types_19 = types; _i < types_19.length; _i++) { + var current = types_19[_i]; + var signature = getContextualCallSignature(current, node); + if (signature) { + if (!signatureList) { + // This signature will contribute to contextual union signature + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, /*partialMatch*/ false, /*ignoreThisTypes*/ true, /*ignoreReturnTypes*/ true, compareTypesIdentical)) { + // Signatures aren't identical, do not use + return undefined; + } + else { + // Use this signature for contextual union signature + signatureList.push(signature); + } + } + } + // Result is union of signatures collected (return type is union of return types of this signature set) + if (signatureList) { + return signatureList.length === 1 ? signatureList[0] : createUnionSignature(signatureList[0], signatureList); + } + } + function checkSpreadExpression(node, checkMode) { + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + checkExternalEmitHelpers(node, compilerOptions.downlevelIteration ? 1536 /* ExternalEmitHelpers.SpreadIncludes */ : 1024 /* ExternalEmitHelpers.SpreadArray */); + } + var arrayOrIterableType = checkExpression(node.expression, checkMode); + return checkIteratedTypeOrElementType(33 /* IterationUse.Spread */, arrayOrIterableType, undefinedType, node.expression); + } + function checkSyntheticExpression(node) { + return node.isSpread ? getIndexedAccessType(node.type, numberType) : node.type; + } + function hasDefaultValue(node) { + return (node.kind === 203 /* SyntaxKind.BindingElement */ && !!node.initializer) || + (node.kind === 221 /* SyntaxKind.BinaryExpression */ && node.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */); + } + function checkArrayLiteral(node, checkMode, forceTuple) { + var elements = node.elements; + var elementCount = elements.length; + var elementTypes = []; + var elementFlags = []; + var contextualType = getApparentTypeOfContextualType(node); + var inDestructuringPattern = ts.isAssignmentTarget(node); + var inConstContext = isConstContext(node); + var hasOmittedExpression = false; + for (var i = 0; i < elementCount; i++) { + var e = elements[i]; + if (e.kind === 225 /* SyntaxKind.SpreadElement */) { + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + checkExternalEmitHelpers(e, compilerOptions.downlevelIteration ? 1536 /* ExternalEmitHelpers.SpreadIncludes */ : 1024 /* ExternalEmitHelpers.SpreadArray */); + } + var spreadType = checkExpression(e.expression, checkMode, forceTuple); + if (isArrayLikeType(spreadType)) { + elementTypes.push(spreadType); + elementFlags.push(8 /* ElementFlags.Variadic */); + } + else if (inDestructuringPattern) { + // Given the following situation: + // var c: {}; + // [...c] = ["", 0]; + // + // c is represented in the tree as a spread element in an array literal. + // But c really functions as a rest element, and its purpose is to provide + // a contextual type for the right hand side of the assignment. Therefore, + // instead of calling checkExpression on "...c", which will give an error + // if c is not iterable/array-like, we need to act as if we are trying to + // get the contextual element type from it. So we do something similar to + // getContextualTypeForElementExpression, which will crucially not error + // if there is no index type / iterated type. + var restElementType = getIndexTypeOfType(spreadType, numberType) || + getIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, spreadType, undefinedType, /*errorNode*/ undefined, /*checkAssignability*/ false) || + unknownType; + elementTypes.push(restElementType); + elementFlags.push(4 /* ElementFlags.Rest */); + } + else { + elementTypes.push(checkIteratedTypeOrElementType(33 /* IterationUse.Spread */, spreadType, undefinedType, e.expression)); + elementFlags.push(4 /* ElementFlags.Rest */); + } + } + else if (exactOptionalPropertyTypes && e.kind === 227 /* SyntaxKind.OmittedExpression */) { + hasOmittedExpression = true; + elementTypes.push(missingType); + elementFlags.push(2 /* ElementFlags.Optional */); + } + else { + var elementContextualType = getContextualTypeForElementExpression(contextualType, elementTypes.length); + var type = checkExpressionForMutableLocation(e, checkMode, elementContextualType, forceTuple); + elementTypes.push(addOptionality(type, /*isProperty*/ true, hasOmittedExpression)); + elementFlags.push(hasOmittedExpression ? 2 /* ElementFlags.Optional */ : 1 /* ElementFlags.Required */); + if (contextualType && someType(contextualType, isTupleLikeType) && checkMode && checkMode & 2 /* CheckMode.Inferential */ && !(checkMode & 4 /* CheckMode.SkipContextSensitive */) && isContextSensitive(e)) { + var inferenceContext = getInferenceContext(node); + ts.Debug.assert(inferenceContext); // In CheckMode.Inferential we should always have an inference context + addIntraExpressionInferenceSite(inferenceContext, e, type); + } + } + } + if (inDestructuringPattern) { + return createTupleType(elementTypes, elementFlags); + } + if (forceTuple || inConstContext || contextualType && someType(contextualType, isTupleLikeType)) { + return createArrayLiteralType(createTupleType(elementTypes, elementFlags, /*readonly*/ inConstContext)); + } + return createArrayLiteralType(createArrayType(elementTypes.length ? + getUnionType(ts.sameMap(elementTypes, function (t, i) { return elementFlags[i] & 8 /* ElementFlags.Variadic */ ? getIndexedAccessTypeOrUndefined(t, numberType) || anyType : t; }), 2 /* UnionReduction.Subtype */) : + strictNullChecks ? implicitNeverType : undefinedWideningType, inConstContext)); + } + function createArrayLiteralType(type) { + if (!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */)) { + return type; + } + var literalType = type.literalType; + if (!literalType) { + literalType = type.literalType = cloneTypeReference(type); + literalType.objectFlags |= 16384 /* ObjectFlags.ArrayLiteral */ | 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + } + return literalType; + } + function isNumericName(name) { + switch (name.kind) { + case 162 /* SyntaxKind.ComputedPropertyName */: + return isNumericComputedName(name); + case 79 /* SyntaxKind.Identifier */: + return ts.isNumericLiteralName(name.escapedText); + case 8 /* SyntaxKind.NumericLiteral */: + case 10 /* SyntaxKind.StringLiteral */: + return ts.isNumericLiteralName(name.text); + default: + return false; + } + } + function isNumericComputedName(name) { + // It seems odd to consider an expression of type Any to result in a numeric name, + // but this behavior is consistent with checkIndexedAccess + return isTypeAssignableToKind(checkComputedPropertyName(name), 296 /* TypeFlags.NumberLike */); + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + if ((ts.isTypeLiteralNode(node.parent.parent) || ts.isClassLike(node.parent.parent) || ts.isInterfaceDeclaration(node.parent.parent)) + && ts.isBinaryExpression(node.expression) && node.expression.operatorToken.kind === 101 /* SyntaxKind.InKeyword */ + && node.parent.kind !== 172 /* SyntaxKind.GetAccessor */ && node.parent.kind !== 173 /* SyntaxKind.SetAccessor */) { + return links.resolvedType = errorType; + } + links.resolvedType = checkExpression(node.expression); + // The computed property name of a non-static class field within a loop must be stored in a block-scoped binding. + // (It needs to be bound at class evaluation time.) + if (ts.isPropertyDeclaration(node.parent) && !ts.hasStaticModifier(node.parent) && ts.isClassExpression(node.parent.parent)) { + var container = ts.getEnclosingBlockScopeContainer(node.parent.parent); + var enclosingIterationStatement = getEnclosingIterationStatement(container); + if (enclosingIterationStatement) { + // The computed field name will use a block scoped binding which can be unique for each iteration of the loop. + getNodeLinks(enclosingIterationStatement).flags |= 65536 /* NodeCheckFlags.LoopWithCapturedBlockScopedBinding */; + // The generated variable which stores the computed field name must be block-scoped. + getNodeLinks(node).flags |= 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + // The generated variable which stores the class must be block-scoped. + getNodeLinks(node.parent.parent).flags |= 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + } + } + // This will allow types number, string, symbol or any. It will also allow enums, the unknown + // type, and any union of these types (like string | number). + if (links.resolvedType.flags & 98304 /* TypeFlags.Nullable */ || + !isTypeAssignableToKind(links.resolvedType, 402653316 /* TypeFlags.StringLike */ | 296 /* TypeFlags.NumberLike */ | 12288 /* TypeFlags.ESSymbolLike */) && + !isTypeAssignableTo(links.resolvedType, stringNumberSymbolType)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + } + return links.resolvedType; + } + function isSymbolWithNumericName(symbol) { + var _a; + var firstDecl = (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a[0]; + return ts.isNumericLiteralName(symbol.escapedName) || (firstDecl && ts.isNamedDeclaration(firstDecl) && isNumericName(firstDecl.name)); + } + function isSymbolWithSymbolName(symbol) { + var _a; + var firstDecl = (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a[0]; + return ts.isKnownSymbol(symbol) || (firstDecl && ts.isNamedDeclaration(firstDecl) && ts.isComputedPropertyName(firstDecl.name) && + isTypeAssignableToKind(checkComputedPropertyName(firstDecl.name), 4096 /* TypeFlags.ESSymbol */)); + } + function getObjectLiteralIndexInfo(node, offset, properties, keyType) { + var propTypes = []; + for (var i = offset; i < properties.length; i++) { + var prop = properties[i]; + if (keyType === stringType && !isSymbolWithSymbolName(prop) || + keyType === numberType && isSymbolWithNumericName(prop) || + keyType === esSymbolType && isSymbolWithSymbolName(prop)) { + propTypes.push(getTypeOfSymbol(properties[i])); + } + } + var unionType = propTypes.length ? getUnionType(propTypes, 2 /* UnionReduction.Subtype */) : undefinedType; + return createIndexInfo(keyType, unionType, isConstContext(node)); + } + function getImmediateAliasedSymbol(symbol) { + ts.Debug.assert((symbol.flags & 2097152 /* SymbolFlags.Alias */) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.immediateTarget) { + var node = getDeclarationOfAliasSymbol(symbol); + if (!node) + return ts.Debug.fail(); + links.immediateTarget = getTargetOfAliasDeclaration(node, /*dontRecursivelyResolve*/ true); + } + return links.immediateTarget; + } + function checkObjectLiteral(node, checkMode) { + var inDestructuringPattern = ts.isAssignmentTarget(node); + // Grammar checking + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var allPropertiesTable = strictNullChecks ? ts.createSymbolTable() : undefined; + var propertiesTable = ts.createSymbolTable(); + var propertiesArray = []; + var spread = emptyObjectType; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 201 /* SyntaxKind.ObjectBindingPattern */ || contextualType.pattern.kind === 205 /* SyntaxKind.ObjectLiteralExpression */); + var inConstContext = isConstContext(node); + var checkFlags = inConstContext ? 8 /* CheckFlags.Readonly */ : 0; + var isInJavascript = ts.isInJSFile(node) && !ts.isInJsonFile(node); + var enumTag = ts.getJSDocEnumTag(node); + var isJSObjectLiteral = !contextualType && isInJavascript && !enumTag; + var objectFlags = freshObjectLiteralFlag; + var patternWithComputedProperties = false; + var hasComputedStringProperty = false; + var hasComputedNumberProperty = false; + var hasComputedSymbolProperty = false; + // Spreads may cause an early bail; ensure computed names are always checked (this is cached) + // As otherwise they may not be checked until exports for the type at this position are retrieved, + // which may never occur. + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var elem = _a[_i]; + if (elem.name && ts.isComputedPropertyName(elem.name)) { + checkComputedPropertyName(elem.name); + } + } + var offset = 0; + for (var _b = 0, _c = node.properties; _b < _c.length; _b++) { + var memberDecl = _c[_b]; + var member = getSymbolOfNode(memberDecl); + var computedNameType = memberDecl.name && memberDecl.name.kind === 162 /* SyntaxKind.ComputedPropertyName */ ? + checkComputedPropertyName(memberDecl.name) : undefined; + if (memberDecl.kind === 296 /* SyntaxKind.PropertyAssignment */ || + memberDecl.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ || + ts.isObjectLiteralMethod(memberDecl)) { + var type = memberDecl.kind === 296 /* SyntaxKind.PropertyAssignment */ ? checkPropertyAssignment(memberDecl, checkMode) : + // avoid resolving the left side of the ShorthandPropertyAssignment outside of the destructuring + // for error recovery purposes. For example, if a user wrote `{ a = 100 }` instead of `{ a: 100 }`. + // we don't want to say "could not find 'a'". + memberDecl.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ ? checkExpressionForMutableLocation(!inDestructuringPattern && memberDecl.objectAssignmentInitializer ? memberDecl.objectAssignmentInitializer : memberDecl.name, checkMode) : + checkObjectLiteralMethod(memberDecl, checkMode); + if (isInJavascript) { + var jsDocType = getTypeForDeclarationFromJSDocComment(memberDecl); + if (jsDocType) { + checkTypeAssignableTo(type, jsDocType, memberDecl); + type = jsDocType; + } + else if (enumTag && enumTag.typeExpression) { + checkTypeAssignableTo(type, getTypeFromTypeNode(enumTag.typeExpression), memberDecl); + } + } + objectFlags |= ts.getObjectFlags(type) & 458752 /* ObjectFlags.PropagatingFlags */; + var nameType = computedNameType && isTypeUsableAsPropertyName(computedNameType) ? computedNameType : undefined; + var prop = nameType ? + createSymbol(4 /* SymbolFlags.Property */ | member.flags, getPropertyNameFromType(nameType), checkFlags | 4096 /* CheckFlags.Late */) : + createSymbol(4 /* SymbolFlags.Property */ | member.flags, member.escapedName, checkFlags); + if (nameType) { + prop.nameType = nameType; + } + if (inDestructuringPattern) { + // If object literal is an assignment pattern and if the assignment pattern specifies a default value + // for the property, make the property optional. + var isOptional = (memberDecl.kind === 296 /* SyntaxKind.PropertyAssignment */ && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 16777216 /* SymbolFlags.Optional */; + } + } + else if (contextualTypeHasPattern && !(ts.getObjectFlags(contextualType) & 512 /* ObjectFlags.ObjectLiteralPatternWithComputedProperties */)) { + // If object literal is contextually typed by the implied type of a binding pattern, and if the + // binding pattern specifies a default value for the property, make the property optional. + var impliedProp = getPropertyOfType(contextualType, member.escapedName); + if (impliedProp) { + prop.flags |= impliedProp.flags & 16777216 /* SymbolFlags.Optional */; + } + else if (!compilerOptions.suppressExcessPropertyErrors && !getIndexInfoOfType(contextualType, stringType)) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); + } + } + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + allPropertiesTable === null || allPropertiesTable === void 0 ? void 0 : allPropertiesTable.set(prop.escapedName, prop); + if (contextualType && checkMode && checkMode & 2 /* CheckMode.Inferential */ && !(checkMode & 4 /* CheckMode.SkipContextSensitive */) && + (memberDecl.kind === 296 /* SyntaxKind.PropertyAssignment */ || memberDecl.kind === 169 /* SyntaxKind.MethodDeclaration */) && isContextSensitive(memberDecl)) { + var inferenceContext = getInferenceContext(node); + ts.Debug.assert(inferenceContext); // In CheckMode.Inferential we should always have an inference context + var inferenceNode = memberDecl.kind === 296 /* SyntaxKind.PropertyAssignment */ ? memberDecl.initializer : memberDecl; + addIntraExpressionInferenceSite(inferenceContext, inferenceNode, type); + } + } + else if (memberDecl.kind === 298 /* SyntaxKind.SpreadAssignment */) { + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + checkExternalEmitHelpers(memberDecl, 2 /* ExternalEmitHelpers.Assign */); + } + if (propertiesArray.length > 0) { + spread = getSpreadType(spread, createObjectLiteralType(), node.symbol, objectFlags, inConstContext); + propertiesArray = []; + propertiesTable = ts.createSymbolTable(); + hasComputedStringProperty = false; + hasComputedNumberProperty = false; + hasComputedSymbolProperty = false; + } + var type = getReducedType(checkExpression(memberDecl.expression)); + if (isValidSpreadType(type)) { + var mergedType = tryMergeUnionOfObjectTypeAndEmptyObject(type, inConstContext); + if (allPropertiesTable) { + checkSpreadPropOverrides(mergedType, allPropertiesTable, memberDecl); + } + offset = propertiesArray.length; + if (isErrorType(spread)) { + continue; + } + spread = getSpreadType(spread, mergedType, node.symbol, objectFlags, inConstContext); + } + else { + error(memberDecl, ts.Diagnostics.Spread_types_may_only_be_created_from_object_types); + spread = errorType; + } + continue; + } + else { + // TypeScript 1.0 spec (April 2014) + // A get accessor declaration is processed in the same manner as + // an ordinary function declaration(section 6.1) with no parameters. + // A set accessor declaration is processed in the same manner + // as an ordinary function declaration with a single parameter and a Void return type. + ts.Debug.assert(memberDecl.kind === 172 /* SyntaxKind.GetAccessor */ || memberDecl.kind === 173 /* SyntaxKind.SetAccessor */); + checkNodeDeferred(memberDecl); + } + if (computedNameType && !(computedNameType.flags & 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */)) { + if (isTypeAssignableTo(computedNameType, stringNumberSymbolType)) { + if (isTypeAssignableTo(computedNameType, numberType)) { + hasComputedNumberProperty = true; + } + else if (isTypeAssignableTo(computedNameType, esSymbolType)) { + hasComputedSymbolProperty = true; + } + else { + hasComputedStringProperty = true; + } + if (inDestructuringPattern) { + patternWithComputedProperties = true; + } + } + } + else { + propertiesTable.set(member.escapedName, member); + } + propertiesArray.push(member); + } + // If object literal is contextually typed by the implied type of a binding pattern, augment the result + // type with those properties for which the binding pattern specifies a default value. + // If the object literal is spread into another object literal, skip this step and let the top-level object + // literal handle it instead. + if (contextualTypeHasPattern && node.parent.kind !== 298 /* SyntaxKind.SpreadAssignment */) { + for (var _d = 0, _e = getPropertiesOfType(contextualType); _d < _e.length; _d++) { + var prop = _e[_d]; + if (!propertiesTable.get(prop.escapedName) && !getPropertyOfType(spread, prop.escapedName)) { + if (!(prop.flags & 16777216 /* SymbolFlags.Optional */)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + propertiesTable.set(prop.escapedName, prop); + propertiesArray.push(prop); + } + } + } + if (isErrorType(spread)) { + return errorType; + } + if (spread !== emptyObjectType) { + if (propertiesArray.length > 0) { + spread = getSpreadType(spread, createObjectLiteralType(), node.symbol, objectFlags, inConstContext); + propertiesArray = []; + propertiesTable = ts.createSymbolTable(); + hasComputedStringProperty = false; + hasComputedNumberProperty = false; + } + // remap the raw emptyObjectType fed in at the top into a fresh empty object literal type, unique to this use site + return mapType(spread, function (t) { return t === emptyObjectType ? createObjectLiteralType() : t; }); + } + return createObjectLiteralType(); + function createObjectLiteralType() { + var indexInfos = []; + if (hasComputedStringProperty) + indexInfos.push(getObjectLiteralIndexInfo(node, offset, propertiesArray, stringType)); + if (hasComputedNumberProperty) + indexInfos.push(getObjectLiteralIndexInfo(node, offset, propertiesArray, numberType)); + if (hasComputedSymbolProperty) + indexInfos.push(getObjectLiteralIndexInfo(node, offset, propertiesArray, esSymbolType)); + var result = createAnonymousType(node.symbol, propertiesTable, ts.emptyArray, ts.emptyArray, indexInfos); + result.objectFlags |= objectFlags | 128 /* ObjectFlags.ObjectLiteral */ | 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + if (isJSObjectLiteral) { + result.objectFlags |= 4096 /* ObjectFlags.JSLiteral */; + } + if (patternWithComputedProperties) { + result.objectFlags |= 512 /* ObjectFlags.ObjectLiteralPatternWithComputedProperties */; + } + if (inDestructuringPattern) { + result.pattern = node; + } + return result; + } + } + function isValidSpreadType(type) { + var t = removeDefinitelyFalsyTypes(mapType(type, getBaseConstraintOrType)); + return !!(t.flags & (1 /* TypeFlags.Any */ | 67108864 /* TypeFlags.NonPrimitive */ | 524288 /* TypeFlags.Object */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */) || + t.flags & 3145728 /* TypeFlags.UnionOrIntersection */ && ts.every(t.types, isValidSpreadType)); + } + function checkJsxSelfClosingElementDeferred(node) { + checkJsxOpeningLikeElementOrOpeningFragment(node); + } + function checkJsxSelfClosingElement(node, _checkMode) { + checkNodeDeferred(node); + return getJsxElementTypeAt(node) || anyType; + } + function checkJsxElementDeferred(node) { + // Check attributes + checkJsxOpeningLikeElementOrOpeningFragment(node.openingElement); + // Perform resolution on the closing tag so that rename/go to definition/etc work + if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) { + getIntrinsicTagSymbol(node.closingElement); + } + else { + checkExpression(node.closingElement.tagName); + } + checkJsxChildren(node); + } + function checkJsxElement(node, _checkMode) { + checkNodeDeferred(node); + return getJsxElementTypeAt(node) || anyType; + } + function checkJsxFragment(node) { + checkJsxOpeningLikeElementOrOpeningFragment(node.openingFragment); + // by default, jsx:'react' will use jsxFactory = React.createElement and jsxFragmentFactory = React.Fragment + // if jsxFactory compiler option is provided, ensure jsxFragmentFactory compiler option or @jsxFrag pragma is provided too + var nodeSourceFile = ts.getSourceFileOfNode(node); + if (ts.getJSXTransformEnabled(compilerOptions) && (compilerOptions.jsxFactory || nodeSourceFile.pragmas.has("jsx")) + && !compilerOptions.jsxFragmentFactory && !nodeSourceFile.pragmas.has("jsxfrag")) { + error(node, compilerOptions.jsxFactory + ? ts.Diagnostics.The_jsxFragmentFactory_compiler_option_must_be_provided_to_use_JSX_fragments_with_the_jsxFactory_compiler_option + : ts.Diagnostics.An_jsxFrag_pragma_is_required_when_using_an_jsx_pragma_with_JSX_fragments); + } + checkJsxChildren(node); + return getJsxElementTypeAt(node) || anyType; + } + function isHyphenatedJsxName(name) { + return ts.stringContains(name, "-"); + } + /** + * Returns true iff React would emit this tag name as a string rather than an identifier or qualified name + */ + function isJsxIntrinsicIdentifier(tagName) { + return tagName.kind === 79 /* SyntaxKind.Identifier */ && ts.isIntrinsicJsxName(tagName.escapedText); + } + function checkJsxAttribute(node, checkMode) { + return node.initializer + ? checkExpressionForMutableLocation(node.initializer, checkMode) + : trueType; // is sugar for + } + /** + * Get attributes type of the JSX opening-like element. The result is from resolving "attributes" property of the opening-like element. + * + * @param openingLikeElement a JSX opening-like element + * @param filter a function to remove attributes that will not participate in checking whether attributes are assignable + * @return an anonymous type (similar to the one returned by checkObjectLiteral) in which its properties are attributes property. + * @remarks Because this function calls getSpreadType, it needs to use the same checks as checkObjectLiteral, + * which also calls getSpreadType. + */ + function createJsxAttributesTypeFromAttributesProperty(openingLikeElement, checkMode) { + var attributes = openingLikeElement.attributes; + var allAttributesTable = strictNullChecks ? ts.createSymbolTable() : undefined; + var attributesTable = ts.createSymbolTable(); + var spread = emptyJsxObjectType; + var hasSpreadAnyType = false; + var typeToIntersect; + var explicitlySpecifyChildrenAttribute = false; + var objectFlags = 2048 /* ObjectFlags.JsxAttributes */; + var jsxChildrenPropertyName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(openingLikeElement)); + for (var _i = 0, _a = attributes.properties; _i < _a.length; _i++) { + var attributeDecl = _a[_i]; + var member = attributeDecl.symbol; + if (ts.isJsxAttribute(attributeDecl)) { + var exprType = checkJsxAttribute(attributeDecl, checkMode); + objectFlags |= ts.getObjectFlags(exprType) & 458752 /* ObjectFlags.PropagatingFlags */; + var attributeSymbol = createSymbol(4 /* SymbolFlags.Property */ | member.flags, member.escapedName); + attributeSymbol.declarations = member.declarations; + attributeSymbol.parent = member.parent; + if (member.valueDeclaration) { + attributeSymbol.valueDeclaration = member.valueDeclaration; + } + attributeSymbol.type = exprType; + attributeSymbol.target = member; + attributesTable.set(attributeSymbol.escapedName, attributeSymbol); + allAttributesTable === null || allAttributesTable === void 0 ? void 0 : allAttributesTable.set(attributeSymbol.escapedName, attributeSymbol); + if (attributeDecl.name.escapedText === jsxChildrenPropertyName) { + explicitlySpecifyChildrenAttribute = true; + } + } + else { + ts.Debug.assert(attributeDecl.kind === 287 /* SyntaxKind.JsxSpreadAttribute */); + if (attributesTable.size > 0) { + spread = getSpreadType(spread, createJsxAttributesType(), attributes.symbol, objectFlags, /*readonly*/ false); + attributesTable = ts.createSymbolTable(); + } + var exprType = getReducedType(checkExpressionCached(attributeDecl.expression, checkMode)); + if (isTypeAny(exprType)) { + hasSpreadAnyType = true; + } + if (isValidSpreadType(exprType)) { + spread = getSpreadType(spread, exprType, attributes.symbol, objectFlags, /*readonly*/ false); + if (allAttributesTable) { + checkSpreadPropOverrides(exprType, allAttributesTable, attributeDecl); + } + } + else { + error(attributeDecl.expression, ts.Diagnostics.Spread_types_may_only_be_created_from_object_types); + typeToIntersect = typeToIntersect ? getIntersectionType([typeToIntersect, exprType]) : exprType; + } + } + } + if (!hasSpreadAnyType) { + if (attributesTable.size > 0) { + spread = getSpreadType(spread, createJsxAttributesType(), attributes.symbol, objectFlags, /*readonly*/ false); + } + } + // Handle children attribute + var parent = openingLikeElement.parent.kind === 278 /* SyntaxKind.JsxElement */ ? openingLikeElement.parent : undefined; + // We have to check that openingElement of the parent is the one we are visiting as this may not be true for selfClosingElement + if (parent && parent.openingElement === openingLikeElement && parent.children.length > 0) { + var childrenTypes = checkJsxChildren(parent, checkMode); + if (!hasSpreadAnyType && jsxChildrenPropertyName && jsxChildrenPropertyName !== "") { + // Error if there is a attribute named "children" explicitly specified and children element. + // This is because children element will overwrite the value from attributes. + // Note: we will not warn "children" attribute overwritten if "children" attribute is specified in object spread. + if (explicitlySpecifyChildrenAttribute) { + error(attributes, ts.Diagnostics._0_are_specified_twice_The_attribute_named_0_will_be_overwritten, ts.unescapeLeadingUnderscores(jsxChildrenPropertyName)); + } + var contextualType = getApparentTypeOfContextualType(openingLikeElement.attributes); + var childrenContextualType = contextualType && getTypeOfPropertyOfContextualType(contextualType, jsxChildrenPropertyName); + // If there are children in the body of JSX element, create dummy attribute "children" with the union of children types so that it will pass the attribute checking process + var childrenPropSymbol = createSymbol(4 /* SymbolFlags.Property */, jsxChildrenPropertyName); + childrenPropSymbol.type = childrenTypes.length === 1 ? childrenTypes[0] : + childrenContextualType && someType(childrenContextualType, isTupleLikeType) ? createTupleType(childrenTypes) : + createArrayType(getUnionType(childrenTypes)); + // Fake up a property declaration for the children + childrenPropSymbol.valueDeclaration = ts.factory.createPropertySignature(/*modifiers*/ undefined, ts.unescapeLeadingUnderscores(jsxChildrenPropertyName), /*questionToken*/ undefined, /*type*/ undefined); + ts.setParent(childrenPropSymbol.valueDeclaration, attributes); + childrenPropSymbol.valueDeclaration.symbol = childrenPropSymbol; + var childPropMap = ts.createSymbolTable(); + childPropMap.set(jsxChildrenPropertyName, childrenPropSymbol); + spread = getSpreadType(spread, createAnonymousType(attributes.symbol, childPropMap, ts.emptyArray, ts.emptyArray, ts.emptyArray), attributes.symbol, objectFlags, /*readonly*/ false); + } + } + if (hasSpreadAnyType) { + return anyType; + } + if (typeToIntersect && spread !== emptyJsxObjectType) { + return getIntersectionType([typeToIntersect, spread]); + } + return typeToIntersect || (spread === emptyJsxObjectType ? createJsxAttributesType() : spread); + /** + * Create anonymous type from given attributes symbol table. + * @param symbol a symbol of JsxAttributes containing attributes corresponding to attributesTable + * @param attributesTable a symbol table of attributes property + */ + function createJsxAttributesType() { + objectFlags |= freshObjectLiteralFlag; + var result = createAnonymousType(attributes.symbol, attributesTable, ts.emptyArray, ts.emptyArray, ts.emptyArray); + result.objectFlags |= objectFlags | 128 /* ObjectFlags.ObjectLiteral */ | 131072 /* ObjectFlags.ContainsObjectOrArrayLiteral */; + return result; + } + } + function checkJsxChildren(node, checkMode) { + var childrenTypes = []; + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + // In React, JSX text that contains only whitespaces will be ignored so we don't want to type-check that + // because then type of children property will have constituent of string type. + if (child.kind === 11 /* SyntaxKind.JsxText */) { + if (!child.containsOnlyTriviaWhiteSpaces) { + childrenTypes.push(stringType); + } + } + else if (child.kind === 288 /* SyntaxKind.JsxExpression */ && !child.expression) { + continue; // empty jsx expressions don't *really* count as present children + } + else { + childrenTypes.push(checkExpressionForMutableLocation(child, checkMode)); + } + } + return childrenTypes; + } + function checkSpreadPropOverrides(type, props, spread) { + for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { + var right = _a[_i]; + if (!(right.flags & 16777216 /* SymbolFlags.Optional */)) { + var left = props.get(right.escapedName); + if (left) { + var diagnostic = error(left.valueDeclaration, ts.Diagnostics._0_is_specified_more_than_once_so_this_usage_will_be_overwritten, ts.unescapeLeadingUnderscores(left.escapedName)); + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(spread, ts.Diagnostics.This_spread_always_overwrites_this_property)); + } + } + } + } + /** + * Check attributes property of opening-like element. This function is called during chooseOverload to get call signature of a JSX opening-like element. + * (See "checkApplicableSignatureForJsxOpeningLikeElement" for how the function is used) + * @param node a JSXAttributes to be resolved of its type + */ + function checkJsxAttributes(node, checkMode) { + return createJsxAttributesTypeFromAttributesProperty(node.parent, checkMode); + } + function getJsxType(name, location) { + var namespace = getJsxNamespaceAt(location); + var exports = namespace && getExportsOfSymbol(namespace); + var typeSymbol = exports && getSymbol(exports, name, 788968 /* SymbolFlags.Type */); + return typeSymbol ? getDeclaredTypeOfSymbol(typeSymbol) : errorType; + } + /** + * Looks up an intrinsic tag name and returns a symbol that either points to an intrinsic + * property (in which case nodeLinks.jsxFlags will be IntrinsicNamedElement) or an intrinsic + * string index signature (in which case nodeLinks.jsxFlags will be IntrinsicIndexedElement). + * May also return unknownSymbol if both of these lookups fail. + */ + function getIntrinsicTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements, node); + if (!isErrorType(intrinsicElementsType)) { + // Property case + if (!ts.isIdentifier(node.tagName)) + return ts.Debug.fail(); + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.escapedText); + if (intrinsicProp) { + links.jsxFlags |= 1 /* JsxFlags.IntrinsicNamedElement */; + return links.resolvedSymbol = intrinsicProp; + } + // Intrinsic string indexer case + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, stringType); + if (indexSignatureType) { + links.jsxFlags |= 2 /* JsxFlags.IntrinsicIndexedElement */; + return links.resolvedSymbol = intrinsicElementsType.symbol; + } + // Wasn't found + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.idText(node.tagName), "JSX." + JsxNames.IntrinsicElements); + return links.resolvedSymbol = unknownSymbol; + } + else { + if (noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, ts.unescapeLeadingUnderscores(JsxNames.IntrinsicElements)); + } + return links.resolvedSymbol = unknownSymbol; + } + } + return links.resolvedSymbol; + } + function getJsxNamespaceContainerForImplicitImport(location) { + var file = location && ts.getSourceFileOfNode(location); + var links = file && getNodeLinks(file); + if (links && links.jsxImplicitImportContainer === false) { + return undefined; + } + if (links && links.jsxImplicitImportContainer) { + return links.jsxImplicitImportContainer; + } + var runtimeImportSpecifier = ts.getJSXRuntimeImport(ts.getJSXImplicitImportBase(compilerOptions, file), compilerOptions); + if (!runtimeImportSpecifier) { + return undefined; + } + var isClassic = ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Classic; + var errorMessage = isClassic + ? ts.Diagnostics.Cannot_find_module_0_Did_you_mean_to_set_the_moduleResolution_option_to_node_or_to_add_aliases_to_the_paths_option + : ts.Diagnostics.Cannot_find_module_0_or_its_corresponding_type_declarations; + var mod = resolveExternalModule(location, runtimeImportSpecifier, errorMessage, location); + var result = mod && mod !== unknownSymbol ? getMergedSymbol(resolveSymbol(mod)) : undefined; + if (links) { + links.jsxImplicitImportContainer = result || false; + } + return result; + } + function getJsxNamespaceAt(location) { + var links = location && getNodeLinks(location); + if (links && links.jsxNamespace) { + return links.jsxNamespace; + } + if (!links || links.jsxNamespace !== false) { + var resolvedNamespace = getJsxNamespaceContainerForImplicitImport(location); + if (!resolvedNamespace || resolvedNamespace === unknownSymbol) { + var namespaceName = getJsxNamespace(location); + resolvedNamespace = resolveName(location, namespaceName, 1920 /* SymbolFlags.Namespace */, /*diagnosticMessage*/ undefined, namespaceName, /*isUse*/ false); + } + if (resolvedNamespace) { + var candidate = resolveSymbol(getSymbol(getExportsOfSymbol(resolveSymbol(resolvedNamespace)), JsxNames.JSX, 1920 /* SymbolFlags.Namespace */)); + if (candidate && candidate !== unknownSymbol) { + if (links) { + links.jsxNamespace = candidate; + } + return candidate; + } + } + if (links) { + links.jsxNamespace = false; + } + } + // JSX global fallback + var s = resolveSymbol(getGlobalSymbol(JsxNames.JSX, 1920 /* SymbolFlags.Namespace */, /*diagnosticMessage*/ undefined)); + if (s === unknownSymbol) { + return undefined; // TODO: GH#18217 + } + return s; // TODO: GH#18217 + } + /** + * Look into JSX namespace and then look for container with matching name as nameOfAttribPropContainer. + * Get a single property from that container if existed. Report an error if there are more than one property. + * + * @param nameOfAttribPropContainer a string of value JsxNames.ElementAttributesPropertyNameContainer or JsxNames.ElementChildrenAttributeNameContainer + * if other string is given or the container doesn't exist, return undefined. + */ + function getNameFromJsxElementAttributesContainer(nameOfAttribPropContainer, jsxNamespace) { + // JSX.ElementAttributesProperty | JSX.ElementChildrenAttribute [symbol] + var jsxElementAttribPropInterfaceSym = jsxNamespace && getSymbol(jsxNamespace.exports, nameOfAttribPropContainer, 788968 /* SymbolFlags.Type */); + // JSX.ElementAttributesProperty | JSX.ElementChildrenAttribute [type] + var jsxElementAttribPropInterfaceType = jsxElementAttribPropInterfaceSym && getDeclaredTypeOfSymbol(jsxElementAttribPropInterfaceSym); + // The properties of JSX.ElementAttributesProperty | JSX.ElementChildrenAttribute + var propertiesOfJsxElementAttribPropInterface = jsxElementAttribPropInterfaceType && getPropertiesOfType(jsxElementAttribPropInterfaceType); + if (propertiesOfJsxElementAttribPropInterface) { + // Element Attributes has zero properties, so the element attributes type will be the class instance type + if (propertiesOfJsxElementAttribPropInterface.length === 0) { + return ""; + } + // Element Attributes has one property, so the element attributes type will be the type of the corresponding + // property of the class instance type + else if (propertiesOfJsxElementAttribPropInterface.length === 1) { + return propertiesOfJsxElementAttribPropInterface[0].escapedName; + } + else if (propertiesOfJsxElementAttribPropInterface.length > 1 && jsxElementAttribPropInterfaceSym.declarations) { + // More than one property on ElementAttributesProperty is an error + error(jsxElementAttribPropInterfaceSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, ts.unescapeLeadingUnderscores(nameOfAttribPropContainer)); + } + } + return undefined; + } + function getJsxLibraryManagedAttributes(jsxNamespace) { + // JSX.LibraryManagedAttributes [symbol] + return jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.LibraryManagedAttributes, 788968 /* SymbolFlags.Type */); + } + /// e.g. "props" for React.d.ts, + /// or 'undefined' if ElementAttributesProperty doesn't exist (which means all + /// non-intrinsic elements' attributes type is 'any'), + /// or '' if it has 0 properties (which means every + /// non-intrinsic elements' attributes type is the element instance type) + function getJsxElementPropertiesName(jsxNamespace) { + return getNameFromJsxElementAttributesContainer(JsxNames.ElementAttributesPropertyNameContainer, jsxNamespace); + } + function getJsxElementChildrenPropertyName(jsxNamespace) { + return getNameFromJsxElementAttributesContainer(JsxNames.ElementChildrenAttributeNameContainer, jsxNamespace); + } + function getUninstantiatedJsxSignaturesOfType(elementType, caller) { + if (elementType.flags & 4 /* TypeFlags.String */) { + return [anySignature]; + } + else if (elementType.flags & 128 /* TypeFlags.StringLiteral */) { + var intrinsicType = getIntrinsicAttributesTypeFromStringLiteralType(elementType, caller); + if (!intrinsicType) { + error(caller, ts.Diagnostics.Property_0_does_not_exist_on_type_1, elementType.value, "JSX." + JsxNames.IntrinsicElements); + return ts.emptyArray; + } + else { + var fakeSignature = createSignatureForJSXIntrinsic(caller, intrinsicType); + return [fakeSignature]; + } + } + var apparentElemType = getApparentType(elementType); + // Resolve the signatures, preferring constructor + var signatures = getSignaturesOfType(apparentElemType, 1 /* SignatureKind.Construct */); + if (signatures.length === 0) { + // No construct signatures, try call signatures + signatures = getSignaturesOfType(apparentElemType, 0 /* SignatureKind.Call */); + } + if (signatures.length === 0 && apparentElemType.flags & 1048576 /* TypeFlags.Union */) { + // If each member has some combination of new/call signatures; make a union signature list for those + signatures = getUnionSignatures(ts.map(apparentElemType.types, function (t) { return getUninstantiatedJsxSignaturesOfType(t, caller); })); + } + return signatures; + } + function getIntrinsicAttributesTypeFromStringLiteralType(type, location) { + // If the elemType is a stringLiteral type, we can then provide a check to make sure that the string literal type is one of the Jsx intrinsic element type + // For example: + // var CustomTag: "h1" = "h1"; + // Hello World + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements, location); + if (!isErrorType(intrinsicElementsType)) { + var stringLiteralTypeName = type.value; + var intrinsicProp = getPropertyOfType(intrinsicElementsType, ts.escapeLeadingUnderscores(stringLiteralTypeName)); + if (intrinsicProp) { + return getTypeOfSymbol(intrinsicProp); + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, stringType); + if (indexSignatureType) { + return indexSignatureType; + } + return undefined; + } + // If we need to report an error, we already done so here. So just return any to prevent any more error downstream + return anyType; + } + function checkJsxReturnAssignableToAppropriateBound(refKind, elemInstanceType, openingLikeElement) { + if (refKind === 1 /* JsxReferenceKind.Function */) { + var sfcReturnConstraint = getJsxStatelessElementTypeAt(openingLikeElement); + if (sfcReturnConstraint) { + checkTypeRelatedTo(elemInstanceType, sfcReturnConstraint, assignableRelation, openingLikeElement.tagName, ts.Diagnostics.Its_return_type_0_is_not_a_valid_JSX_element, generateInitialErrorChain); + } + } + else if (refKind === 0 /* JsxReferenceKind.Component */) { + var classConstraint = getJsxElementClassTypeAt(openingLikeElement); + if (classConstraint) { + // Issue an error if this return type isn't assignable to JSX.ElementClass, failing that + checkTypeRelatedTo(elemInstanceType, classConstraint, assignableRelation, openingLikeElement.tagName, ts.Diagnostics.Its_instance_type_0_is_not_a_valid_JSX_element, generateInitialErrorChain); + } + } + else { // Mixed + var sfcReturnConstraint = getJsxStatelessElementTypeAt(openingLikeElement); + var classConstraint = getJsxElementClassTypeAt(openingLikeElement); + if (!sfcReturnConstraint || !classConstraint) { + return; + } + var combined = getUnionType([sfcReturnConstraint, classConstraint]); + checkTypeRelatedTo(elemInstanceType, combined, assignableRelation, openingLikeElement.tagName, ts.Diagnostics.Its_element_type_0_is_not_a_valid_JSX_element, generateInitialErrorChain); + } + function generateInitialErrorChain() { + var componentName = ts.getTextOfNode(openingLikeElement.tagName); + return ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics._0_cannot_be_used_as_a_JSX_component, componentName); + } + } + /** + * Get attributes type of the given intrinsic opening-like Jsx element by resolving the tag name. + * The function is intended to be called from a function which has checked that the opening element is an intrinsic element. + * @param node an intrinsic JSX opening-like element + */ + function getIntrinsicAttributesTypeFromJsxOpeningLikeElement(node) { + ts.Debug.assert(isJsxIntrinsicIdentifier(node.tagName)); + var links = getNodeLinks(node); + if (!links.resolvedJsxElementAttributesType) { + var symbol = getIntrinsicTagSymbol(node); + if (links.jsxFlags & 1 /* JsxFlags.IntrinsicNamedElement */) { + return links.resolvedJsxElementAttributesType = getTypeOfSymbol(symbol) || errorType; + } + else if (links.jsxFlags & 2 /* JsxFlags.IntrinsicIndexedElement */) { + return links.resolvedJsxElementAttributesType = + getIndexTypeOfType(getJsxType(JsxNames.IntrinsicElements, node), stringType) || errorType; + } + else { + return links.resolvedJsxElementAttributesType = errorType; + } + } + return links.resolvedJsxElementAttributesType; + } + function getJsxElementClassTypeAt(location) { + var type = getJsxType(JsxNames.ElementClass, location); + if (isErrorType(type)) + return undefined; + return type; + } + function getJsxElementTypeAt(location) { + return getJsxType(JsxNames.Element, location); + } + function getJsxStatelessElementTypeAt(location) { + var jsxElementType = getJsxElementTypeAt(location); + if (jsxElementType) { + return getUnionType([jsxElementType, nullType]); + } + } + /** + * Returns all the properties of the Jsx.IntrinsicElements interface + */ + function getJsxIntrinsicTagNamesAt(location) { + var intrinsics = getJsxType(JsxNames.IntrinsicElements, location); + return intrinsics ? getPropertiesOfType(intrinsics) : ts.emptyArray; + } + function checkJsxPreconditions(errorNode) { + // Preconditions for using JSX + if ((compilerOptions.jsx || 0 /* JsxEmit.None */) === 0 /* JsxEmit.None */) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); + } + if (getJsxElementTypeAt(errorNode) === undefined) { + if (noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + } + } + } + function checkJsxOpeningLikeElementOrOpeningFragment(node) { + var isNodeOpeningLikeElement = ts.isJsxOpeningLikeElement(node); + if (isNodeOpeningLikeElement) { + checkGrammarJsxElement(node); + } + checkJsxPreconditions(node); + if (!getJsxNamespaceContainerForImplicitImport(node)) { + // The reactNamespace/jsxFactory's root symbol should be marked as 'used' so we don't incorrectly elide its import. + // And if there is no reactNamespace/jsxFactory's symbol in scope when targeting React emit, we should issue an error. + var jsxFactoryRefErr = diagnostics && compilerOptions.jsx === 2 /* JsxEmit.React */ ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var jsxFactoryNamespace = getJsxNamespace(node); + var jsxFactoryLocation = isNodeOpeningLikeElement ? node.tagName : node; + // allow null as jsxFragmentFactory + var jsxFactorySym = void 0; + if (!(ts.isJsxOpeningFragment(node) && jsxFactoryNamespace === "null")) { + jsxFactorySym = resolveName(jsxFactoryLocation, jsxFactoryNamespace, 111551 /* SymbolFlags.Value */, jsxFactoryRefErr, jsxFactoryNamespace, /*isUse*/ true); + } + if (jsxFactorySym) { + // Mark local symbol as referenced here because it might not have been marked + // if jsx emit was not jsxFactory as there wont be error being emitted + jsxFactorySym.isReferenced = 67108863 /* SymbolFlags.All */; + // If react/jsxFactory symbol is alias, mark it as refereced + if (jsxFactorySym.flags & 2097152 /* SymbolFlags.Alias */ && !getTypeOnlyAliasDeclaration(jsxFactorySym)) { + markAliasSymbolAsReferenced(jsxFactorySym); + } + } + // For JsxFragment, mark jsx pragma as referenced via resolveName + if (ts.isJsxOpeningFragment(node)) { + var file = ts.getSourceFileOfNode(node); + var localJsxNamespace = getLocalJsxNamespace(file); + if (localJsxNamespace) { + resolveName(jsxFactoryLocation, localJsxNamespace, 111551 /* SymbolFlags.Value */, jsxFactoryRefErr, localJsxNamespace, /*isUse*/ true); + } + } + } + if (isNodeOpeningLikeElement) { + var jsxOpeningLikeNode = node; + var sig = getResolvedSignature(jsxOpeningLikeNode); + checkDeprecatedSignature(sig, node); + checkJsxReturnAssignableToAppropriateBound(getJsxReferenceKind(jsxOpeningLikeNode), getReturnTypeOfSignature(sig), jsxOpeningLikeNode); + } + } + /** + * Check if a property with the given name is known anywhere in the given type. In an object type, a property + * is considered known if + * 1. the object type is empty and the check is for assignability, or + * 2. if the object type has index signatures, or + * 3. if the property is actually declared in the object type + * (this means that 'toString', for example, is not usually a known property). + * 4. In a union or intersection type, + * a property is considered known if it is known in any constituent type. + * @param targetType a type to search a given name in + * @param name a property name to search + * @param isComparingJsxAttributes a boolean flag indicating whether we are searching in JsxAttributesType + */ + function isKnownProperty(targetType, name, isComparingJsxAttributes) { + if (targetType.flags & 524288 /* TypeFlags.Object */) { + // For backwards compatibility a symbol-named property is satisfied by a string index signature. This + // is incorrect and inconsistent with element access expressions, where it is an error, so eventually + // we should remove this exception. + if (getPropertyOfObjectType(targetType, name) || + getApplicableIndexInfoForName(targetType, name) || + isLateBoundName(name) && getIndexInfoOfType(targetType, stringType) || + isComparingJsxAttributes && isHyphenatedJsxName(name)) { + // For JSXAttributes, if the attribute has a hyphenated name, consider that the attribute to be known. + return true; + } + } + else if (targetType.flags & 3145728 /* TypeFlags.UnionOrIntersection */ && isExcessPropertyCheckTarget(targetType)) { + for (var _i = 0, _a = targetType.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name, isComparingJsxAttributes)) { + return true; + } + } + } + return false; + } + function isExcessPropertyCheckTarget(type) { + return !!(type.flags & 524288 /* TypeFlags.Object */ && !(ts.getObjectFlags(type) & 512 /* ObjectFlags.ObjectLiteralPatternWithComputedProperties */) || + type.flags & 67108864 /* TypeFlags.NonPrimitive */ || + type.flags & 1048576 /* TypeFlags.Union */ && ts.some(type.types, isExcessPropertyCheckTarget) || + type.flags & 2097152 /* TypeFlags.Intersection */ && ts.every(type.types, isExcessPropertyCheckTarget)); + } + function checkJsxExpression(node, checkMode) { + checkGrammarJsxExpression(node); + if (node.expression) { + var type = checkExpression(node.expression, checkMode); + if (node.dotDotDotToken && type !== anyType && !isArrayType(type)) { + error(node, ts.Diagnostics.JSX_spread_child_must_be_an_array_type); + } + return type; + } + else { + return errorType; + } + } + function getDeclarationNodeFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : 0; + } + /** + * Return whether this symbol is a member of a prototype somewhere + * Note that this is not tracked well within the compiler, so the answer may be incorrect. + */ + function isPrototypeProperty(symbol) { + if (symbol.flags & 8192 /* SymbolFlags.Method */ || ts.getCheckFlags(symbol) & 4 /* CheckFlags.SyntheticMethod */) { + return true; + } + if (ts.isInJSFile(symbol.valueDeclaration)) { + var parent = symbol.valueDeclaration.parent; + return parent && ts.isBinaryExpression(parent) && + ts.getAssignmentDeclarationKind(parent) === 3 /* AssignmentDeclarationKind.PrototypeProperty */; + } + } + /** + * Check whether the requested property access is valid. + * Returns true if node is a valid property access, and false otherwise. + * @param node The node to be checked. + * @param isSuper True if the access is from `super.`. + * @param type The type of the object whose property is being accessed. (Not the type of the property.) + * @param prop The symbol for the property being accessed. + */ + function checkPropertyAccessibility(node, isSuper, writing, type, prop, reportError) { + if (reportError === void 0) { reportError = true; } + var errorNode = !reportError ? undefined : + node.kind === 161 /* SyntaxKind.QualifiedName */ ? node.right : + node.kind === 200 /* SyntaxKind.ImportType */ ? node : + node.kind === 203 /* SyntaxKind.BindingElement */ && node.propertyName ? node.propertyName : node.name; + return checkPropertyAccessibilityAtLocation(node, isSuper, writing, type, prop, errorNode); + } + /** + * Check whether the requested property can be accessed at the requested location. + * Returns true if node is a valid property access, and false otherwise. + * @param location The location node where we want to check if the property is accessible. + * @param isSuper True if the access is from `super.`. + * @param writing True if this is a write property access, false if it is a read property access. + * @param containingType The type of the object whose property is being accessed. (Not the type of the property.) + * @param prop The symbol for the property being accessed. + * @param errorNode The node where we should report an invalid property access error, or undefined if we should not report errors. + */ + function checkPropertyAccessibilityAtLocation(location, isSuper, writing, containingType, prop, errorNode) { + var flags = ts.getDeclarationModifierFlagsFromSymbol(prop, writing); + if (isSuper) { + // TS 1.0 spec (April 2014): 4.8.2 + // - In a constructor, instance member function, instance member accessor, or + // instance member variable initializer where this references a derived class instance, + // a super property access is permitted and must specify a public instance member function of the base class. + // - In a static member function or static member accessor + // where this references the constructor function object of a derived class, + // a super property access is permitted and must specify a public static member function of the base class. + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + if (symbolHasNonMethodDeclaration(prop)) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + } + return false; + } + } + if (flags & 128 /* ModifierFlags.Abstract */) { + // A method cannot be accessed in a super property access if the method is abstract. + // This error could mask a private property access error. But, a member + // cannot simultaneously be private and abstract, so this will trigger an + // additional error elsewhere. + if (errorNode) { + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(getDeclaringClass(prop))); + } + return false; + } + } + // Referencing abstract properties within their own constructors is not allowed + if ((flags & 128 /* ModifierFlags.Abstract */) && symbolHasNonMethodDeclaration(prop) && + (ts.isThisProperty(location) || ts.isThisInitializedObjectBindingExpression(location) || ts.isObjectBindingPattern(location.parent) && ts.isThisInitializedDeclaration(location.parent.parent))) { + var declaringClassDeclaration = ts.getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop)); + if (declaringClassDeclaration && isNodeUsedDuringClassInitialization(location)) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Abstract_property_0_in_class_1_cannot_be_accessed_in_the_constructor, symbolToString(prop), ts.getTextOfIdentifierOrLiteral(declaringClassDeclaration.name)); + } + return false; + } + } + // Public properties are otherwise accessible. + if (!(flags & 24 /* ModifierFlags.NonPublicAccessibilityModifier */)) { + return true; + } + // Property is known to be private or protected at this point + // Private property is accessible if the property is within the declaring class + if (flags & 8 /* ModifierFlags.Private */) { + var declaringClassDeclaration = ts.getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop)); + if (!isNodeWithinClass(location, declaringClassDeclaration)) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(getDeclaringClass(prop))); + } + return false; + } + return true; + } + // Property is known to be protected at this point + // All protected properties of a supertype are accessible in a super access + if (isSuper) { + return true; + } + // Find the first enclosing class that has the declaring classes of the protected constituents + // of the property as base classes + var enclosingClass = forEachEnclosingClass(location, function (enclosingDeclaration) { + var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration)); + return isClassDerivedFromDeclaringClasses(enclosingClass, prop, writing); + }); + // A protected property is accessible if the property is within the declaring class or classes derived from it + if (!enclosingClass) { + // allow PropertyAccessibility if context is in function with this parameter + // static member access is disallowed + enclosingClass = getEnclosingClassFromThisParameter(location); + enclosingClass = enclosingClass && isClassDerivedFromDeclaringClasses(enclosingClass, prop, writing); + if (flags & 32 /* ModifierFlags.Static */ || !enclosingClass) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(getDeclaringClass(prop) || containingType)); + } + return false; + } + } + // No further restrictions for static properties + if (flags & 32 /* ModifierFlags.Static */) { + return true; + } + if (containingType.flags & 262144 /* TypeFlags.TypeParameter */) { + // get the original type -- represented as the type constraint of the 'this' type + containingType = containingType.isThisType ? getConstraintOfTypeParameter(containingType) : getBaseConstraintOfType(containingType); // TODO: GH#18217 Use a different variable that's allowed to be undefined + } + if (!containingType || !hasBaseType(containingType, enclosingClass)) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_This_is_an_instance_of_class_2, symbolToString(prop), typeToString(enclosingClass), typeToString(containingType)); + } + return false; + } + return true; + } + function getEnclosingClassFromThisParameter(node) { + var thisParameter = getThisParameterFromNodeContext(node); + var thisType = (thisParameter === null || thisParameter === void 0 ? void 0 : thisParameter.type) && getTypeFromTypeNode(thisParameter.type); + if (thisType && thisType.flags & 262144 /* TypeFlags.TypeParameter */) { + thisType = getConstraintOfTypeParameter(thisType); + } + if (thisType && ts.getObjectFlags(thisType) & (3 /* ObjectFlags.ClassOrInterface */ | 4 /* ObjectFlags.Reference */)) { + return getTargetType(thisType); + } + return undefined; + } + function getThisParameterFromNodeContext(node) { + var thisContainer = ts.getThisContainer(node, /* includeArrowFunctions */ false); + return thisContainer && ts.isFunctionLike(thisContainer) ? ts.getThisParameter(thisContainer) : undefined; + } + function symbolHasNonMethodDeclaration(symbol) { + return !!forEachProperty(symbol, function (prop) { return !(prop.flags & 8192 /* SymbolFlags.Method */); }); + } + function checkNonNullExpression(node) { + return checkNonNullType(checkExpression(node), node); + } + function isNullableType(type) { + return !!((strictNullChecks ? getFalsyFlags(type) : type.flags) & 98304 /* TypeFlags.Nullable */); + } + function getNonNullableTypeIfNeeded(type) { + return isNullableType(type) ? getNonNullableType(type) : type; + } + function reportObjectPossiblyNullOrUndefinedError(node, flags) { + error(node, flags & 32768 /* TypeFlags.Undefined */ ? flags & 65536 /* TypeFlags.Null */ ? + ts.Diagnostics.Object_is_possibly_null_or_undefined : + ts.Diagnostics.Object_is_possibly_undefined : + ts.Diagnostics.Object_is_possibly_null); + } + function reportCannotInvokePossiblyNullOrUndefinedError(node, flags) { + error(node, flags & 32768 /* TypeFlags.Undefined */ ? flags & 65536 /* TypeFlags.Null */ ? + ts.Diagnostics.Cannot_invoke_an_object_which_is_possibly_null_or_undefined : + ts.Diagnostics.Cannot_invoke_an_object_which_is_possibly_undefined : + ts.Diagnostics.Cannot_invoke_an_object_which_is_possibly_null); + } + function checkNonNullTypeWithReporter(type, node, reportError) { + if (strictNullChecks && type.flags & 2 /* TypeFlags.Unknown */) { + error(node, ts.Diagnostics.Object_is_of_type_unknown); + return errorType; + } + var kind = (strictNullChecks ? getFalsyFlags(type) : type.flags) & 98304 /* TypeFlags.Nullable */; + if (kind) { + reportError(node, kind); + var t = getNonNullableType(type); + return t.flags & (98304 /* TypeFlags.Nullable */ | 131072 /* TypeFlags.Never */) ? errorType : t; + } + return type; + } + function checkNonNullType(type, node) { + return checkNonNullTypeWithReporter(type, node, reportObjectPossiblyNullOrUndefinedError); + } + function checkNonNullNonVoidType(type, node) { + var nonNullType = checkNonNullType(type, node); + if (nonNullType.flags & 16384 /* TypeFlags.Void */) { + error(node, ts.Diagnostics.Object_is_possibly_undefined); + } + return nonNullType; + } + function checkPropertyAccessExpression(node, checkMode) { + return node.flags & 32 /* NodeFlags.OptionalChain */ ? checkPropertyAccessChain(node, checkMode) : + checkPropertyAccessExpressionOrQualifiedName(node, node.expression, checkNonNullExpression(node.expression), node.name, checkMode); + } + function checkPropertyAccessChain(node, checkMode) { + var leftType = checkExpression(node.expression); + var nonOptionalType = getOptionalExpressionType(leftType, node.expression); + return propagateOptionalTypeMarker(checkPropertyAccessExpressionOrQualifiedName(node, node.expression, checkNonNullType(nonOptionalType, node.expression), node.name, checkMode), node, nonOptionalType !== leftType); + } + function checkQualifiedName(node, checkMode) { + var leftType = ts.isPartOfTypeQuery(node) && ts.isThisIdentifier(node.left) ? checkNonNullType(checkThisExpression(node.left), node.left) : checkNonNullExpression(node.left); + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, leftType, node.right, checkMode); + } + function isMethodAccessForCall(node) { + while (node.parent.kind === 212 /* SyntaxKind.ParenthesizedExpression */) { + node = node.parent; + } + return ts.isCallOrNewExpression(node.parent) && node.parent.expression === node; + } + // Lookup the private identifier lexically. + function lookupSymbolForPrivateIdentifierDeclaration(propName, location) { + for (var containingClass = ts.getContainingClass(location); !!containingClass; containingClass = ts.getContainingClass(containingClass)) { + var symbol = containingClass.symbol; + var name = ts.getSymbolNameForPrivateIdentifier(symbol, propName); + var prop = (symbol.members && symbol.members.get(name)) || (symbol.exports && symbol.exports.get(name)); + if (prop) { + return prop; + } + } + } + function checkGrammarPrivateIdentifierExpression(privId) { + if (!ts.getContainingClass(privId)) { + return grammarErrorOnNode(privId, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies); + } + if (!ts.isForInStatement(privId.parent)) { + if (!ts.isExpressionNode(privId)) { + return grammarErrorOnNode(privId, ts.Diagnostics.Private_identifiers_are_only_allowed_in_class_bodies_and_may_only_be_used_as_part_of_a_class_member_declaration_property_access_or_on_the_left_hand_side_of_an_in_expression); + } + var isInOperation = ts.isBinaryExpression(privId.parent) && privId.parent.operatorToken.kind === 101 /* SyntaxKind.InKeyword */; + if (!getSymbolForPrivateIdentifierExpression(privId) && !isInOperation) { + return grammarErrorOnNode(privId, ts.Diagnostics.Cannot_find_name_0, ts.idText(privId)); + } + } + return false; + } + function checkPrivateIdentifierExpression(privId) { + checkGrammarPrivateIdentifierExpression(privId); + var symbol = getSymbolForPrivateIdentifierExpression(privId); + if (symbol) { + markPropertyAsReferenced(symbol, /* nodeForCheckWriteOnly: */ undefined, /* isThisAccess: */ false); + } + return anyType; + } + function getSymbolForPrivateIdentifierExpression(privId) { + if (!ts.isExpressionNode(privId)) { + return undefined; + } + var links = getNodeLinks(privId); + if (links.resolvedSymbol === undefined) { + links.resolvedSymbol = lookupSymbolForPrivateIdentifierDeclaration(privId.escapedText, privId); + } + return links.resolvedSymbol; + } + function getPrivateIdentifierPropertyOfType(leftType, lexicallyScopedIdentifier) { + return getPropertyOfType(leftType, lexicallyScopedIdentifier.escapedName); + } + function checkPrivateIdentifierPropertyAccess(leftType, right, lexicallyScopedIdentifier) { + // Either the identifier could not be looked up in the lexical scope OR the lexically scoped identifier did not exist on the type. + // Find a private identifier with the same description on the type. + var propertyOnType; + var properties = getPropertiesOfType(leftType); + if (properties) { + ts.forEach(properties, function (symbol) { + var decl = symbol.valueDeclaration; + if (decl && ts.isNamedDeclaration(decl) && ts.isPrivateIdentifier(decl.name) && decl.name.escapedText === right.escapedText) { + propertyOnType = symbol; + return true; + } + }); + } + var diagName = diagnosticName(right); + if (propertyOnType) { + var typeValueDecl = ts.Debug.checkDefined(propertyOnType.valueDeclaration); + var typeClass_1 = ts.Debug.checkDefined(ts.getContainingClass(typeValueDecl)); + // We found a private identifier property with the same description. + // Either: + // - There is a lexically scoped private identifier AND it shadows the one we found on the type. + // - It is an attempt to access the private identifier outside of the class. + if (lexicallyScopedIdentifier === null || lexicallyScopedIdentifier === void 0 ? void 0 : lexicallyScopedIdentifier.valueDeclaration) { + var lexicalValueDecl = lexicallyScopedIdentifier.valueDeclaration; + var lexicalClass = ts.getContainingClass(lexicalValueDecl); + ts.Debug.assert(!!lexicalClass); + if (ts.findAncestor(lexicalClass, function (n) { return typeClass_1 === n; })) { + var diagnostic = error(right, ts.Diagnostics.The_property_0_cannot_be_accessed_on_type_1_within_this_class_because_it_is_shadowed_by_another_private_identifier_with_the_same_spelling, diagName, typeToString(leftType)); + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(lexicalValueDecl, ts.Diagnostics.The_shadowing_declaration_of_0_is_defined_here, diagName), ts.createDiagnosticForNode(typeValueDecl, ts.Diagnostics.The_declaration_of_0_that_you_probably_intended_to_use_is_defined_here, diagName)); + return true; + } + } + error(right, ts.Diagnostics.Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier, diagName, diagnosticName(typeClass_1.name || anon)); + return true; + } + return false; + } + function isThisPropertyAccessInConstructor(node, prop) { + return (isConstructorDeclaredProperty(prop) || ts.isThisProperty(node) && isAutoTypedProperty(prop)) + && ts.getThisContainer(node, /*includeArrowFunctions*/ true) === getDeclaringConstructor(prop); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, leftType, right, checkMode) { + var parentSymbol = getNodeLinks(left).resolvedSymbol; + var assignmentKind = ts.getAssignmentTargetKind(node); + var apparentType = getApparentType(assignmentKind !== 0 /* AssignmentKind.None */ || isMethodAccessForCall(node) ? getWidenedType(leftType) : leftType); + var isAnyLike = isTypeAny(apparentType) || apparentType === silentNeverType; + var prop; + if (ts.isPrivateIdentifier(right)) { + if (languageVersion < 99 /* ScriptTarget.ESNext */) { + if (assignmentKind !== 0 /* AssignmentKind.None */) { + checkExternalEmitHelpers(node, 1048576 /* ExternalEmitHelpers.ClassPrivateFieldSet */); + } + if (assignmentKind !== 1 /* AssignmentKind.Definite */) { + checkExternalEmitHelpers(node, 524288 /* ExternalEmitHelpers.ClassPrivateFieldGet */); + } + } + var lexicallyScopedSymbol = lookupSymbolForPrivateIdentifierDeclaration(right.escapedText, right); + if (assignmentKind && lexicallyScopedSymbol && lexicallyScopedSymbol.valueDeclaration && ts.isMethodDeclaration(lexicallyScopedSymbol.valueDeclaration)) { + grammarErrorOnNode(right, ts.Diagnostics.Cannot_assign_to_private_method_0_Private_methods_are_not_writable, ts.idText(right)); + } + if (isAnyLike) { + if (lexicallyScopedSymbol) { + return isErrorType(apparentType) ? errorType : apparentType; + } + if (!ts.getContainingClass(right)) { + grammarErrorOnNode(right, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies); + return anyType; + } + } + prop = lexicallyScopedSymbol ? getPrivateIdentifierPropertyOfType(leftType, lexicallyScopedSymbol) : undefined; + // Check for private-identifier-specific shadowing and lexical-scoping errors. + if (!prop && checkPrivateIdentifierPropertyAccess(leftType, right, lexicallyScopedSymbol)) { + return errorType; + } + else { + var isSetonlyAccessor = prop && prop.flags & 65536 /* SymbolFlags.SetAccessor */ && !(prop.flags & 32768 /* SymbolFlags.GetAccessor */); + if (isSetonlyAccessor && assignmentKind !== 1 /* AssignmentKind.Definite */) { + error(node, ts.Diagnostics.Private_accessor_was_defined_without_a_getter); + } + } + } + else { + if (isAnyLike) { + if (ts.isIdentifier(left) && parentSymbol) { + markAliasReferenced(parentSymbol, node); + } + return isErrorType(apparentType) ? errorType : apparentType; + ; + } + prop = getPropertyOfType(apparentType, right.escapedText); + } + // In `Foo.Bar.Baz`, 'Foo' is not referenced if 'Bar' is a const enum or a module containing only const enums. + // `Foo` is also not referenced in `enum FooCopy { Bar = Foo.Bar }`, because the enum member value gets inlined + // here even if `Foo` is not a const enum. + // + // The exceptions are: + // 1. if 'isolatedModules' is enabled, because the const enum value will not be inlined, and + // 2. if 'preserveConstEnums' is enabled and the expression is itself an export, e.g. `export = Foo.Bar.Baz`. + if (ts.isIdentifier(left) && parentSymbol && (compilerOptions.isolatedModules || + !(prop && (isConstEnumOrConstEnumOnlyModule(prop) || prop.flags & 8 /* SymbolFlags.EnumMember */ && node.parent.kind === 299 /* SyntaxKind.EnumMember */)) || + ts.shouldPreserveConstEnums(compilerOptions) && isExportOrExportExpression(node))) { + markAliasReferenced(parentSymbol, node); + } + var propType; + if (!prop) { + var indexInfo = !ts.isPrivateIdentifier(right) && (assignmentKind === 0 /* AssignmentKind.None */ || !isGenericObjectType(leftType) || ts.isThisTypeParameter(leftType)) ? + getApplicableIndexInfoForName(apparentType, right.escapedText) : undefined; + if (!(indexInfo && indexInfo.type)) { + var isUncheckedJS = isUncheckedJSSuggestion(node, leftType.symbol, /*excludeClasses*/ true); + if (!isUncheckedJS && isJSLiteralType(leftType)) { + return anyType; + } + if (leftType.symbol === globalThisSymbol) { + if (globalThisSymbol.exports.has(right.escapedText) && (globalThisSymbol.exports.get(right.escapedText).flags & 418 /* SymbolFlags.BlockScoped */)) { + error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(right.escapedText), typeToString(leftType)); + } + else if (noImplicitAny) { + error(right, ts.Diagnostics.Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature, typeToString(leftType)); + } + return anyType; + } + if (right.escapedText && !checkAndReportErrorForExtendingInterface(node)) { + reportNonexistentProperty(right, ts.isThisTypeParameter(leftType) ? apparentType : leftType, isUncheckedJS); + } + return errorType; + } + if (indexInfo.isReadonly && (ts.isAssignmentTarget(node) || ts.isDeleteTarget(node))) { + error(node, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(apparentType)); + } + propType = (compilerOptions.noUncheckedIndexedAccess && !ts.isAssignmentTarget(node)) ? getUnionType([indexInfo.type, undefinedType]) : indexInfo.type; + if (compilerOptions.noPropertyAccessFromIndexSignature && ts.isPropertyAccessExpression(node)) { + error(right, ts.Diagnostics.Property_0_comes_from_an_index_signature_so_it_must_be_accessed_with_0, ts.unescapeLeadingUnderscores(right.escapedText)); + } + if (indexInfo.declaration && ts.getCombinedNodeFlags(indexInfo.declaration) & 268435456 /* NodeFlags.Deprecated */) { + addDeprecatedSuggestion(right, [indexInfo.declaration], right.escapedText); + } + } + else { + if (isDeprecatedSymbol(prop) && isUncalledFunctionReference(node, prop) && prop.declarations) { + addDeprecatedSuggestion(right, prop.declarations, right.escapedText); + } + checkPropertyNotUsedBeforeDeclaration(prop, node, right); + markPropertyAsReferenced(prop, node, isSelfTypeAccess(left, parentSymbol)); + getNodeLinks(node).resolvedSymbol = prop; + var writing = ts.isWriteAccess(node); + checkPropertyAccessibility(node, left.kind === 106 /* SyntaxKind.SuperKeyword */, writing, apparentType, prop); + if (isAssignmentToReadonlyEntity(node, prop, assignmentKind)) { + error(right, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_read_only_property, ts.idText(right)); + return errorType; + } + propType = isThisPropertyAccessInConstructor(node, prop) ? autoType : writing ? getWriteTypeOfSymbol(prop) : getTypeOfSymbol(prop); + } + return getFlowTypeOfAccessExpression(node, prop, propType, right, checkMode); + } + /** + * Determines whether a did-you-mean error should be a suggestion in an unchecked JS file. + * Only applies to unchecked JS files without checkJS, // @ts-check or // @ts-nocheck + * It does not suggest when the suggestion: + * - Is from a global file that is different from the reference file, or + * - (optionally) Is a class, or is a this.x property access expression + */ + function isUncheckedJSSuggestion(node, suggestion, excludeClasses) { + var file = ts.getSourceFileOfNode(node); + if (file) { + if (compilerOptions.checkJs === undefined && file.checkJsDirective === undefined && (file.scriptKind === 1 /* ScriptKind.JS */ || file.scriptKind === 2 /* ScriptKind.JSX */)) { + var declarationFile = ts.forEach(suggestion === null || suggestion === void 0 ? void 0 : suggestion.declarations, ts.getSourceFileOfNode); + return !(file !== declarationFile && !!declarationFile && isGlobalSourceFile(declarationFile)) + && !(excludeClasses && suggestion && suggestion.flags & 32 /* SymbolFlags.Class */) + && !(!!node && excludeClasses && ts.isPropertyAccessExpression(node) && node.expression.kind === 108 /* SyntaxKind.ThisKeyword */); + } + } + return false; + } + function getFlowTypeOfAccessExpression(node, prop, propType, errorNode, checkMode) { + // Only compute control flow type if this is a property access expression that isn't an + // assignment target, and the referenced property was declared as a variable, property, + // accessor, or optional method. + var assignmentKind = ts.getAssignmentTargetKind(node); + if (assignmentKind === 1 /* AssignmentKind.Definite */) { + return removeMissingType(propType, !!(prop && prop.flags & 16777216 /* SymbolFlags.Optional */)); + } + if (prop && + !(prop.flags & (3 /* SymbolFlags.Variable */ | 4 /* SymbolFlags.Property */ | 98304 /* SymbolFlags.Accessor */)) + && !(prop.flags & 8192 /* SymbolFlags.Method */ && propType.flags & 1048576 /* TypeFlags.Union */) + && !isDuplicatedCommonJSExport(prop.declarations)) { + return propType; + } + if (propType === autoType) { + return getFlowTypeOfProperty(node, prop); + } + propType = getNarrowableTypeForReference(propType, node, checkMode); + // If strict null checks and strict property initialization checks are enabled, if we have + // a this.xxx property access, if the property is an instance property without an initializer, + // and if we are in a constructor of the same class as the property declaration, assume that + // the property is uninitialized at the top of the control flow. + var assumeUninitialized = false; + if (strictNullChecks && strictPropertyInitialization && ts.isAccessExpression(node) && node.expression.kind === 108 /* SyntaxKind.ThisKeyword */) { + var declaration = prop && prop.valueDeclaration; + if (declaration && isPropertyWithoutInitializer(declaration)) { + if (!ts.isStatic(declaration)) { + var flowContainer = getControlFlowContainer(node); + if (flowContainer.kind === 171 /* SyntaxKind.Constructor */ && flowContainer.parent === declaration.parent && !(declaration.flags & 16777216 /* NodeFlags.Ambient */)) { + assumeUninitialized = true; + } + } + } + } + else if (strictNullChecks && prop && prop.valueDeclaration && + ts.isPropertyAccessExpression(prop.valueDeclaration) && + ts.getAssignmentDeclarationPropertyAccessKind(prop.valueDeclaration) && + getControlFlowContainer(node) === getControlFlowContainer(prop.valueDeclaration)) { + assumeUninitialized = true; + } + var flowType = getFlowTypeOfReference(node, propType, assumeUninitialized ? getOptionalType(propType) : propType); + if (assumeUninitialized && !(getFalsyFlags(propType) & 32768 /* TypeFlags.Undefined */) && getFalsyFlags(flowType) & 32768 /* TypeFlags.Undefined */) { + error(errorNode, ts.Diagnostics.Property_0_is_used_before_being_assigned, symbolToString(prop)); // TODO: GH#18217 + // Return the declared type to reduce follow-on errors + return propType; + } + return assignmentKind ? getBaseTypeOfLiteralType(flowType) : flowType; + } + function checkPropertyNotUsedBeforeDeclaration(prop, node, right) { + var valueDeclaration = prop.valueDeclaration; + if (!valueDeclaration || ts.getSourceFileOfNode(node).isDeclarationFile) { + return; + } + var diagnosticMessage; + var declarationName = ts.idText(right); + if (isInPropertyInitializerOrClassStaticBlock(node) + && !isOptionalPropertyDeclaration(valueDeclaration) + && !(ts.isAccessExpression(node) && ts.isAccessExpression(node.expression)) + && !isBlockScopedNameDeclaredBeforeUse(valueDeclaration, right) + && !(ts.isMethodDeclaration(valueDeclaration) && ts.getCombinedModifierFlags(valueDeclaration) & 32 /* ModifierFlags.Static */) + && (compilerOptions.useDefineForClassFields || !isPropertyDeclaredInAncestorClass(prop))) { + diagnosticMessage = error(right, ts.Diagnostics.Property_0_is_used_before_its_initialization, declarationName); + } + else if (valueDeclaration.kind === 257 /* SyntaxKind.ClassDeclaration */ && + node.parent.kind !== 178 /* SyntaxKind.TypeReference */ && + !(valueDeclaration.flags & 16777216 /* NodeFlags.Ambient */) && + !isBlockScopedNameDeclaredBeforeUse(valueDeclaration, right)) { + diagnosticMessage = error(right, ts.Diagnostics.Class_0_used_before_its_declaration, declarationName); + } + if (diagnosticMessage) { + ts.addRelatedInfo(diagnosticMessage, ts.createDiagnosticForNode(valueDeclaration, ts.Diagnostics._0_is_declared_here, declarationName)); + } + } + function isInPropertyInitializerOrClassStaticBlock(node) { + return !!ts.findAncestor(node, function (node) { + switch (node.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + return true; + case 296 /* SyntaxKind.PropertyAssignment */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 298 /* SyntaxKind.SpreadAssignment */: + case 162 /* SyntaxKind.ComputedPropertyName */: + case 233 /* SyntaxKind.TemplateSpan */: + case 288 /* SyntaxKind.JsxExpression */: + case 285 /* SyntaxKind.JsxAttribute */: + case 286 /* SyntaxKind.JsxAttributes */: + case 287 /* SyntaxKind.JsxSpreadAttribute */: + case 280 /* SyntaxKind.JsxOpeningElement */: + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + case 291 /* SyntaxKind.HeritageClause */: + return false; + case 214 /* SyntaxKind.ArrowFunction */: + case 238 /* SyntaxKind.ExpressionStatement */: + return ts.isBlock(node.parent) && ts.isClassStaticBlockDeclaration(node.parent.parent) ? true : "quit"; + default: + return ts.isExpressionNode(node) ? false : "quit"; + } + }); + } + /** + * It's possible that "prop.valueDeclaration" is a local declaration, but the property was also declared in a superclass. + * In that case we won't consider it used before its declaration, because it gets its value from the superclass' declaration. + */ + function isPropertyDeclaredInAncestorClass(prop) { + if (!(prop.parent.flags & 32 /* SymbolFlags.Class */)) { + return false; + } + var classType = getTypeOfSymbol(prop.parent); + while (true) { + classType = classType.symbol && getSuperClass(classType); + if (!classType) { + return false; + } + var superProperty = getPropertyOfType(classType, prop.escapedName); + if (superProperty && superProperty.valueDeclaration) { + return true; + } + } + } + function getSuperClass(classType) { + var x = getBaseTypes(classType); + if (x.length === 0) { + return undefined; + } + return getIntersectionType(x); + } + function reportNonexistentProperty(propNode, containingType, isUncheckedJS) { + var errorInfo; + var relatedInfo; + if (!ts.isPrivateIdentifier(propNode) && containingType.flags & 1048576 /* TypeFlags.Union */ && !(containingType.flags & 131068 /* TypeFlags.Primitive */)) { + for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { + var subtype = _a[_i]; + if (!getPropertyOfType(subtype, propNode.escapedText) && !getApplicableIndexInfoForName(subtype, propNode.escapedText)) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype)); + break; + } + } + } + if (typeHasStaticProperty(propNode.escapedText, containingType)) { + var propName = ts.declarationNameToString(propNode); + var typeName = typeToString(containingType); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_to_access_the_static_member_2_instead, propName, typeName, typeName + "." + propName); + } + else { + var promisedType = getPromisedTypeOfPromise(containingType); + if (promisedType && getPropertyOfType(promisedType, propNode.escapedText)) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType)); + relatedInfo = ts.createDiagnosticForNode(propNode, ts.Diagnostics.Did_you_forget_to_use_await); + } + else { + var missingProperty = ts.declarationNameToString(propNode); + var container = typeToString(containingType); + var libSuggestion = getSuggestedLibForNonExistentProperty(missingProperty, containingType); + if (libSuggestion !== undefined) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_2_or_later, missingProperty, container, libSuggestion); + } + else { + var suggestion = getSuggestedSymbolForNonexistentProperty(propNode, containingType); + if (suggestion !== undefined) { + var suggestedName = ts.symbolName(suggestion); + var message = isUncheckedJS ? ts.Diagnostics.Property_0_may_not_exist_on_type_1_Did_you_mean_2 : ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, missingProperty, container, suggestedName); + relatedInfo = suggestion.valueDeclaration && ts.createDiagnosticForNode(suggestion.valueDeclaration, ts.Diagnostics._0_is_declared_here, suggestedName); + } + else { + var diagnostic = containerSeemsToBeEmptyDomElement(containingType) + ? ts.Diagnostics.Property_0_does_not_exist_on_type_1_Try_changing_the_lib_compiler_option_to_include_dom + : ts.Diagnostics.Property_0_does_not_exist_on_type_1; + errorInfo = ts.chainDiagnosticMessages(elaborateNeverIntersection(errorInfo, containingType), diagnostic, missingProperty, container); + } + } + } + } + var resultDiagnostic = ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo); + if (relatedInfo) { + ts.addRelatedInfo(resultDiagnostic, relatedInfo); + } + addErrorOrSuggestion(!isUncheckedJS || errorInfo.code !== ts.Diagnostics.Property_0_may_not_exist_on_type_1_Did_you_mean_2.code, resultDiagnostic); + } + function containerSeemsToBeEmptyDomElement(containingType) { + return (compilerOptions.lib && !compilerOptions.lib.includes("dom")) && + everyContainedType(containingType, function (type) { return type.symbol && /^(EventTarget|Node|((HTML[a-zA-Z]*)?Element))$/.test(ts.unescapeLeadingUnderscores(type.symbol.escapedName)); }) && + isEmptyObjectType(containingType); + } + function typeHasStaticProperty(propName, containingType) { + var prop = containingType.symbol && getPropertyOfType(getTypeOfSymbol(containingType.symbol), propName); + return prop !== undefined && !!prop.valueDeclaration && ts.isStatic(prop.valueDeclaration); + } + function getSuggestedLibForNonExistentName(name) { + var missingName = diagnosticName(name); + var allFeatures = ts.getScriptTargetFeatures(); + var libTargets = ts.getOwnKeys(allFeatures); + for (var _i = 0, libTargets_1 = libTargets; _i < libTargets_1.length; _i++) { + var libTarget = libTargets_1[_i]; + var containingTypes = ts.getOwnKeys(allFeatures[libTarget]); + if (containingTypes !== undefined && ts.contains(containingTypes, missingName)) { + return libTarget; + } + } + } + function getSuggestedLibForNonExistentProperty(missingProperty, containingType) { + var container = getApparentType(containingType).symbol; + if (!container) { + return undefined; + } + var allFeatures = ts.getScriptTargetFeatures(); + var libTargets = ts.getOwnKeys(allFeatures); + for (var _i = 0, libTargets_2 = libTargets; _i < libTargets_2.length; _i++) { + var libTarget = libTargets_2[_i]; + var featuresOfLib = allFeatures[libTarget]; + var featuresOfContainingType = featuresOfLib[ts.symbolName(container)]; + if (featuresOfContainingType !== undefined && ts.contains(featuresOfContainingType, missingProperty)) { + return libTarget; + } + } + } + function getSuggestedSymbolForNonexistentClassMember(name, baseType) { + return getSpellingSuggestionForName(name, getPropertiesOfType(baseType), 106500 /* SymbolFlags.ClassMember */); + } + function getSuggestedSymbolForNonexistentProperty(name, containingType) { + var props = getPropertiesOfType(containingType); + if (typeof name !== "string") { + var parent_2 = name.parent; + if (ts.isPropertyAccessExpression(parent_2)) { + props = ts.filter(props, function (prop) { return isValidPropertyAccessForCompletions(parent_2, containingType, prop); }); + } + name = ts.idText(name); + } + return getSpellingSuggestionForName(name, props, 111551 /* SymbolFlags.Value */); + } + function getSuggestedSymbolForNonexistentJSXAttribute(name, containingType) { + var strName = ts.isString(name) ? name : ts.idText(name); + var properties = getPropertiesOfType(containingType); + var jsxSpecific = strName === "for" ? ts.find(properties, function (x) { return ts.symbolName(x) === "htmlFor"; }) + : strName === "class" ? ts.find(properties, function (x) { return ts.symbolName(x) === "className"; }) + : undefined; + return jsxSpecific !== null && jsxSpecific !== void 0 ? jsxSpecific : getSpellingSuggestionForName(strName, properties, 111551 /* SymbolFlags.Value */); + } + function getSuggestionForNonexistentProperty(name, containingType) { + var suggestion = getSuggestedSymbolForNonexistentProperty(name, containingType); + return suggestion && ts.symbolName(suggestion); + } + function getSuggestedSymbolForNonexistentSymbol(location, outerName, meaning) { + ts.Debug.assert(outerName !== undefined, "outername should always be defined"); + var result = resolveNameHelper(location, outerName, meaning, /*nameNotFoundMessage*/ undefined, outerName, /*isUse*/ false, /*excludeGlobals*/ false, /*getSpellingSuggestions*/ true, function (symbols, name, meaning) { + ts.Debug.assertEqual(outerName, name, "name should equal outerName"); + var symbol = getSymbol(symbols, name, meaning); + // Sometimes the symbol is found when location is a return type of a function: `typeof x` and `x` is declared in the body of the function + // So the table *contains* `x` but `x` isn't actually in scope. + // However, resolveNameHelper will continue and call this callback again, so we'll eventually get a correct suggestion. + if (symbol) + return symbol; + var candidates; + if (symbols === globals) { + var primitives = ts.mapDefined(["string", "number", "boolean", "object", "bigint", "symbol"], function (s) { return symbols.has((s.charAt(0).toUpperCase() + s.slice(1))) + ? createSymbol(524288 /* SymbolFlags.TypeAlias */, s) + : undefined; }); + candidates = primitives.concat(ts.arrayFrom(symbols.values())); + } + else { + candidates = ts.arrayFrom(symbols.values()); + } + return getSpellingSuggestionForName(ts.unescapeLeadingUnderscores(name), candidates, meaning); + }); + return result; + } + function getSuggestionForNonexistentSymbol(location, outerName, meaning) { + var symbolResult = getSuggestedSymbolForNonexistentSymbol(location, outerName, meaning); + return symbolResult && ts.symbolName(symbolResult); + } + function getSuggestedSymbolForNonexistentModule(name, targetModule) { + return targetModule.exports && getSpellingSuggestionForName(ts.idText(name), getExportsOfModuleAsArray(targetModule), 2623475 /* SymbolFlags.ModuleMember */); + } + function getSuggestionForNonexistentExport(name, targetModule) { + var suggestion = getSuggestedSymbolForNonexistentModule(name, targetModule); + return suggestion && ts.symbolName(suggestion); + } + function getSuggestionForNonexistentIndexSignature(objectType, expr, keyedType) { + // check if object type has setter or getter + function hasProp(name) { + var prop = getPropertyOfObjectType(objectType, name); + if (prop) { + var s = getSingleCallSignature(getTypeOfSymbol(prop)); + return !!s && getMinArgumentCount(s) >= 1 && isTypeAssignableTo(keyedType, getTypeAtPosition(s, 0)); + } + return false; + } + ; + var suggestedMethod = ts.isAssignmentTarget(expr) ? "set" : "get"; + if (!hasProp(suggestedMethod)) { + return undefined; + } + var suggestion = ts.tryGetPropertyAccessOrIdentifierToString(expr.expression); + if (suggestion === undefined) { + suggestion = suggestedMethod; + } + else { + suggestion += "." + suggestedMethod; + } + return suggestion; + } + function getSuggestedTypeForNonexistentStringLiteralType(source, target) { + var candidates = target.types.filter(function (type) { return !!(type.flags & 128 /* TypeFlags.StringLiteral */); }); + return ts.getSpellingSuggestion(source.value, candidates, function (type) { return type.value; }); + } + /** + * Given a name and a list of symbols whose names are *not* equal to the name, return a spelling suggestion if there is one that is close enough. + * Names less than length 3 only check for case-insensitive equality, not levenshtein distance. + * + * If there is a candidate that's the same except for case, return that. + * If there is a candidate that's within one edit of the name, return that. + * Otherwise, return the candidate with the smallest Levenshtein distance, + * except for candidates: + * * With no name + * * Whose meaning doesn't match the `meaning` parameter. + * * Whose length differs from the target name by more than 0.34 of the length of the name. + * * Whose levenshtein distance is more than 0.4 of the length of the name + * (0.4 allows 1 substitution/transposition for every 5 characters, + * and 1 insertion/deletion at 3 characters) + */ + function getSpellingSuggestionForName(name, symbols, meaning) { + return ts.getSpellingSuggestion(name, symbols, getCandidateName); + function getCandidateName(candidate) { + var candidateName = ts.symbolName(candidate); + if (ts.startsWith(candidateName, "\"")) { + return undefined; + } + if (candidate.flags & meaning) { + return candidateName; + } + if (candidate.flags & 2097152 /* SymbolFlags.Alias */) { + var alias = tryResolveAlias(candidate); + if (alias && alias.flags & meaning) { + return candidateName; + } + } + return undefined; + } + } + function markPropertyAsReferenced(prop, nodeForCheckWriteOnly, isSelfTypeAccess) { + var valueDeclaration = prop && (prop.flags & 106500 /* SymbolFlags.ClassMember */) && prop.valueDeclaration; + if (!valueDeclaration) { + return; + } + var hasPrivateModifier = ts.hasEffectiveModifier(valueDeclaration, 8 /* ModifierFlags.Private */); + var hasPrivateIdentifier = prop.valueDeclaration && ts.isNamedDeclaration(prop.valueDeclaration) && ts.isPrivateIdentifier(prop.valueDeclaration.name); + if (!hasPrivateModifier && !hasPrivateIdentifier) { + return; + } + if (nodeForCheckWriteOnly && ts.isWriteOnlyAccess(nodeForCheckWriteOnly) && !(prop.flags & 65536 /* SymbolFlags.SetAccessor */)) { + return; + } + if (isSelfTypeAccess) { + // Find any FunctionLikeDeclaration because those create a new 'this' binding. But this should only matter for methods (or getters/setters). + var containingMethod = ts.findAncestor(nodeForCheckWriteOnly, ts.isFunctionLikeDeclaration); + if (containingMethod && containingMethod.symbol === prop) { + return; + } + } + (ts.getCheckFlags(prop) & 1 /* CheckFlags.Instantiated */ ? getSymbolLinks(prop).target : prop).isReferenced = 67108863 /* SymbolFlags.All */; + } + function isSelfTypeAccess(name, parent) { + return name.kind === 108 /* SyntaxKind.ThisKeyword */ + || !!parent && ts.isEntityNameExpression(name) && parent === getResolvedSymbol(ts.getFirstIdentifier(name)); + } + function isValidPropertyAccess(node, propertyName) { + switch (node.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + return isValidPropertyAccessWithType(node, node.expression.kind === 106 /* SyntaxKind.SuperKeyword */, propertyName, getWidenedType(checkExpression(node.expression))); + case 161 /* SyntaxKind.QualifiedName */: + return isValidPropertyAccessWithType(node, /*isSuper*/ false, propertyName, getWidenedType(checkExpression(node.left))); + case 200 /* SyntaxKind.ImportType */: + return isValidPropertyAccessWithType(node, /*isSuper*/ false, propertyName, getTypeFromTypeNode(node)); + } + } + /** + * Checks if an existing property access is valid for completions purposes. + * @param node a property access-like node where we want to check if we can access a property. + * This node does not need to be an access of the property we are checking. + * e.g. in completions, this node will often be an incomplete property access node, as in `foo.`. + * Besides providing a location (i.e. scope) used to check property accessibility, we use this node for + * computing whether this is a `super` property access. + * @param type the type whose property we are checking. + * @param property the accessed property's symbol. + */ + function isValidPropertyAccessForCompletions(node, type, property) { + return isPropertyAccessible(node, node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && node.expression.kind === 106 /* SyntaxKind.SuperKeyword */, + /* isWrite */ false, type, property); + // Previously we validated the 'this' type of methods but this adversely affected performance. See #31377 for more context. + } + function isValidPropertyAccessWithType(node, isSuper, propertyName, type) { + // Short-circuiting for improved performance. + if (isTypeAny(type)) { + return true; + } + var prop = getPropertyOfType(type, propertyName); + return !!prop && isPropertyAccessible(node, isSuper, /* isWrite */ false, type, prop); + } + /** + * Checks if a property can be accessed in a location. + * The location is given by the `node` parameter. + * The node does not need to be a property access. + * @param node location where to check property accessibility + * @param isSuper whether to consider this a `super` property access, e.g. `super.foo`. + * @param isWrite whether this is a write access, e.g. `++foo.x`. + * @param containingType type where the property comes from. + * @param property property symbol. + */ + function isPropertyAccessible(node, isSuper, isWrite, containingType, property) { + // Short-circuiting for improved performance. + if (isTypeAny(containingType)) { + return true; + } + // A #private property access in an optional chain is an error dealt with by the parser. + // The checker does not check for it, so we need to do our own check here. + if (property.valueDeclaration && ts.isPrivateIdentifierClassElementDeclaration(property.valueDeclaration)) { + var declClass_1 = ts.getContainingClass(property.valueDeclaration); + return !ts.isOptionalChain(node) && !!ts.findAncestor(node, function (parent) { return parent === declClass_1; }); + } + return checkPropertyAccessibilityAtLocation(node, isSuper, isWrite, containingType, property); + } + /** + * Return the symbol of the for-in variable declared or referenced by the given for-in statement. + */ + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); + } + } + else if (initializer.kind === 79 /* SyntaxKind.Identifier */) { + return getResolvedSymbol(initializer); + } + return undefined; + } + /** + * Return true if the given type is considered to have numeric property names. + */ + function hasNumericPropertyNames(type) { + return getIndexInfosOfType(type).length === 1 && !!getIndexInfoOfType(type, numberType); + } + /** + * Return true if given node is an expression consisting of an identifier (possibly parenthesized) + * that references a for-in variable for an object with numeric property names. + */ + function isForInVariableForNumericPropertyNames(expr) { + var e = ts.skipParentheses(expr); + if (e.kind === 79 /* SyntaxKind.Identifier */) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3 /* SymbolFlags.Variable */) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 243 /* SyntaxKind.ForInStatement */ && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(getTypeOfExpression(node.expression))) { + return true; + } + child = node; + node = node.parent; + } + } + } + return false; + } + function checkIndexedAccess(node, checkMode) { + return node.flags & 32 /* NodeFlags.OptionalChain */ ? checkElementAccessChain(node, checkMode) : + checkElementAccessExpression(node, checkNonNullExpression(node.expression), checkMode); + } + function checkElementAccessChain(node, checkMode) { + var exprType = checkExpression(node.expression); + var nonOptionalType = getOptionalExpressionType(exprType, node.expression); + return propagateOptionalTypeMarker(checkElementAccessExpression(node, checkNonNullType(nonOptionalType, node.expression), checkMode), node, nonOptionalType !== exprType); + } + function checkElementAccessExpression(node, exprType, checkMode) { + var objectType = ts.getAssignmentTargetKind(node) !== 0 /* AssignmentKind.None */ || isMethodAccessForCall(node) ? getWidenedType(exprType) : exprType; + var indexExpression = node.argumentExpression; + var indexType = checkExpression(indexExpression); + if (isErrorType(objectType) || objectType === silentNeverType) { + return objectType; + } + if (isConstEnumObjectType(objectType) && !ts.isStringLiteralLike(indexExpression)) { + error(indexExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return errorType; + } + var effectiveIndexType = isForInVariableForNumericPropertyNames(indexExpression) ? numberType : indexType; + var accessFlags = ts.isAssignmentTarget(node) ? + 4 /* AccessFlags.Writing */ | (isGenericObjectType(objectType) && !ts.isThisTypeParameter(objectType) ? 2 /* AccessFlags.NoIndexSignatures */ : 0) : + 32 /* AccessFlags.ExpressionPosition */; + var indexedAccessType = getIndexedAccessTypeOrUndefined(objectType, effectiveIndexType, accessFlags, node) || errorType; + return checkIndexedAccessIndexType(getFlowTypeOfAccessExpression(node, getNodeLinks(node).resolvedSymbol, indexedAccessType, indexExpression, checkMode), node); + } + function callLikeExpressionMayHaveTypeArguments(node) { + return ts.isCallOrNewExpression(node) || ts.isTaggedTemplateExpression(node) || ts.isJsxOpeningLikeElement(node); + } + function resolveUntypedCall(node) { + if (callLikeExpressionMayHaveTypeArguments(node)) { + // Check type arguments even though we will give an error that untyped calls may not accept type arguments. + // This gets us diagnostics for the type arguments and marks them as referenced. + ts.forEach(node.typeArguments, checkSourceElement); + } + if (node.kind === 210 /* SyntaxKind.TaggedTemplateExpression */) { + checkExpression(node.template); + } + else if (ts.isJsxOpeningLikeElement(node)) { + checkExpression(node.attributes); + } + else if (node.kind !== 165 /* SyntaxKind.Decorator */) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); + } + return anySignature; + } + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + // Re-order candidate signatures into the result array. Assumes the result array to be empty. + // The candidate list orders groups in reverse, but within a group signatures are kept in declaration order + // A nit here is that we reorder only signatures that belong to the same symbol, + // so order how inherited signatures are processed is still preserved. + // interface A { (x: string): void } + // interface B extends A { (x: 'foo'): string } + // const b: B; + // b('foo') // <- here overloads should be processed as [(x:'foo'): string, (x: string): void] + function reorderCandidates(signatures, result, callChainFlags) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_7 = signatures; _i < signatures_7.length; _i++) { + var signature = signatures_7[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent === lastParent) { + index = index + 1; + } + else { + lastParent = parent; + index = cutoffIndex; + } + } + else { + // current declaration belongs to a different symbol + // set cutoffIndex so re-orderings in the future won't change result set from 0 to cutoffIndex + index = cutoffIndex = result.length; + lastParent = parent; + } + lastSymbol = symbol; + // specialized signatures always need to be placed before non-specialized signatures regardless + // of the cutoff position; see GH#1133 + if (signatureHasLiteralTypes(signature)) { + specializedIndex++; + spliceIndex = specializedIndex; + // The cutoff index always needs to be greater than or equal to the specialized signature index + // in order to prevent non-specialized signatures from being added before a specialized + // signature. + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, callChainFlags ? getOptionalCallSignature(signature, callChainFlags) : signature); + } + } + function isSpreadArgument(arg) { + return !!arg && (arg.kind === 225 /* SyntaxKind.SpreadElement */ || arg.kind === 232 /* SyntaxKind.SyntheticExpression */ && arg.isSpread); + } + function getSpreadArgumentIndex(args) { + return ts.findIndex(args, isSpreadArgument); + } + function acceptsVoid(t) { + return !!(t.flags & 16384 /* TypeFlags.Void */); + } + function acceptsVoidUndefinedUnknownOrAny(t) { + return !!(t.flags & (16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */ | 2 /* TypeFlags.Unknown */ | 1 /* TypeFlags.Any */)); + } + function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) { + if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } + var argCount; + var callIsIncomplete = false; // In incomplete call we want to be lenient when we have too few arguments + var effectiveParameterCount = getParameterCount(signature); + var effectiveMinimumArguments = getMinArgumentCount(signature); + if (node.kind === 210 /* SyntaxKind.TaggedTemplateExpression */) { + argCount = args.length; + if (node.template.kind === 223 /* SyntaxKind.TemplateExpression */) { + // If a tagged template expression lacks a tail literal, the call is incomplete. + // Specifically, a template only can end in a TemplateTail or a Missing literal. + var lastSpan = ts.last(node.template.templateSpans); // we should always have at least one span. + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + // If the template didn't end in a backtick, or its beginning occurred right prior to EOF, + // then this might actually turn out to be a TemplateHead in the future; + // so we consider the call to be incomplete. + var templateLiteral = node.template; + ts.Debug.assert(templateLiteral.kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */); + callIsIncomplete = !!templateLiteral.isUnterminated; + } + } + else if (node.kind === 165 /* SyntaxKind.Decorator */) { + argCount = getDecoratorArgumentCount(node, signature); + } + else if (ts.isJsxOpeningLikeElement(node)) { + callIsIncomplete = node.attributes.end === node.end; + if (callIsIncomplete) { + return true; + } + argCount = effectiveMinimumArguments === 0 ? args.length : 1; + effectiveParameterCount = args.length === 0 ? effectiveParameterCount : 1; // class may have argumentless ctor functions - still resolve ctor and compare vs props member type + effectiveMinimumArguments = Math.min(effectiveMinimumArguments, 1); // sfc may specify context argument - handled by framework and not typechecked + } + else if (!node.arguments) { + // This only happens when we have something of the form: 'new C' + ts.Debug.assert(node.kind === 209 /* SyntaxKind.NewExpression */); + return getMinArgumentCount(signature) === 0; + } + else { + argCount = signatureHelpTrailingComma ? args.length + 1 : args.length; + // If we are missing the close parenthesis, the call is incomplete. + callIsIncomplete = node.arguments.end === node.end; + // If a spread argument is present, check that it corresponds to a rest parameter or at least that it's in the valid range. + var spreadArgIndex = getSpreadArgumentIndex(args); + if (spreadArgIndex >= 0) { + return spreadArgIndex >= getMinArgumentCount(signature) && (hasEffectiveRestParameter(signature) || spreadArgIndex < getParameterCount(signature)); + } + } + // Too many arguments implies incorrect arity. + if (!hasEffectiveRestParameter(signature) && argCount > effectiveParameterCount) { + return false; + } + // If the call is incomplete, we should skip the lower bound check. + // JSX signatures can have extra parameters provided by the library which we don't check + if (callIsIncomplete || argCount >= effectiveMinimumArguments) { + return true; + } + for (var i = argCount; i < effectiveMinimumArguments; i++) { + var type = getTypeAtPosition(signature, i); + if (filterType(type, ts.isInJSFile(node) && !strictNullChecks ? acceptsVoidUndefinedUnknownOrAny : acceptsVoid).flags & 131072 /* TypeFlags.Never */) { + return false; + } + } + return true; + } + function hasCorrectTypeArgumentArity(signature, typeArguments) { + // If the user supplied type arguments, but the number of type arguments does not match + // the declared number of type parameters, the call has an incorrect arity. + var numTypeParameters = ts.length(signature.typeParameters); + var minTypeArgumentCount = getMinTypeArgumentCount(signature.typeParameters); + return !ts.some(typeArguments) || + (typeArguments.length >= minTypeArgumentCount && typeArguments.length <= numTypeParameters); + } + // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. + function getSingleCallSignature(type) { + return getSingleSignature(type, 0 /* SignatureKind.Call */, /*allowMembers*/ false); + } + function getSingleCallOrConstructSignature(type) { + return getSingleSignature(type, 0 /* SignatureKind.Call */, /*allowMembers*/ false) || + getSingleSignature(type, 1 /* SignatureKind.Construct */, /*allowMembers*/ false); + } + function getSingleSignature(type, kind, allowMembers) { + if (type.flags & 524288 /* TypeFlags.Object */) { + var resolved = resolveStructuredTypeMembers(type); + if (allowMembers || resolved.properties.length === 0 && resolved.indexInfos.length === 0) { + if (kind === 0 /* SignatureKind.Call */ && resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0) { + return resolved.callSignatures[0]; + } + if (kind === 1 /* SignatureKind.Construct */ && resolved.constructSignatures.length === 1 && resolved.callSignatures.length === 0) { + return resolved.constructSignatures[0]; + } + } + } + return undefined; + } + // Instantiate a generic signature in the context of a non-generic signature (section 3.8.5 in TypeScript spec) + function instantiateSignatureInContextOf(signature, contextualSignature, inferenceContext, compareTypes) { + var context = createInferenceContext(signature.typeParameters, signature, 0 /* InferenceFlags.None */, compareTypes); + // We clone the inferenceContext to avoid fixing. For example, when the source signature is (x: T) => T[] and + // the contextual signature is (...args: A) => B, we want to infer the element type of A's constraint (say 'any') + // for T but leave it possible to later infer '[any]' back to A. + var restType = getEffectiveRestType(contextualSignature); + var mapper = inferenceContext && (restType && restType.flags & 262144 /* TypeFlags.TypeParameter */ ? inferenceContext.nonFixingMapper : inferenceContext.mapper); + var sourceSignature = mapper ? instantiateSignature(contextualSignature, mapper) : contextualSignature; + applyToParameterTypes(sourceSignature, signature, function (source, target) { + // Type parameters from outer context referenced by source type are fixed by instantiation of the source type + inferTypes(context.inferences, source, target); + }); + if (!inferenceContext) { + applyToReturnTypes(contextualSignature, signature, function (source, target) { + inferTypes(context.inferences, source, target, 128 /* InferencePriority.ReturnType */); + }); + } + return getSignatureInstantiation(signature, getInferredTypes(context), ts.isInJSFile(contextualSignature.declaration)); + } + function inferJsxTypeArguments(node, signature, checkMode, context) { + var paramType = getEffectiveFirstArgumentForJsxSignature(signature, node); + var checkAttrType = checkExpressionWithContextualType(node.attributes, paramType, context, checkMode); + inferTypes(context.inferences, checkAttrType, paramType); + return getInferredTypes(context); + } + function getThisArgumentType(thisArgumentNode) { + if (!thisArgumentNode) { + return voidType; + } + var thisArgumentType = checkExpression(thisArgumentNode); + return ts.isOptionalChainRoot(thisArgumentNode.parent) ? getNonNullableType(thisArgumentType) : + ts.isOptionalChain(thisArgumentNode.parent) ? removeOptionalTypeMarker(thisArgumentType) : + thisArgumentType; + } + function inferTypeArguments(node, signature, args, checkMode, context) { + if (ts.isJsxOpeningLikeElement(node)) { + return inferJsxTypeArguments(node, signature, checkMode, context); + } + // If a contextual type is available, infer from that type to the return type of the call expression. For + // example, given a 'function wrap(cb: (x: T) => U): (x: T) => U' and a call expression + // 'let f: (x: string) => number = wrap(s => s.length)', we infer from the declared type of 'f' to the + // return type of 'wrap'. + if (node.kind !== 165 /* SyntaxKind.Decorator */) { + var contextualType = getContextualType(node, ts.every(signature.typeParameters, function (p) { return !!getDefaultFromTypeParameter(p); }) ? 8 /* ContextFlags.SkipBindingPatterns */ : 0 /* ContextFlags.None */); + if (contextualType) { + var inferenceTargetType = getReturnTypeOfSignature(signature); + if (couldContainTypeVariables(inferenceTargetType)) { + // We clone the inference context to avoid disturbing a resolution in progress for an + // outer call expression. Effectively we just want a snapshot of whatever has been + // inferred for any outer call expression so far. + var outerContext = getInferenceContext(node); + var outerMapper = getMapperFromContext(cloneInferenceContext(outerContext, 1 /* InferenceFlags.NoDefault */)); + var instantiatedType = instantiateType(contextualType, outerMapper); + // If the contextual type is a generic function type with a single call signature, we + // instantiate the type with its own type parameters and type arguments. This ensures that + // the type parameters are not erased to type any during type inference such that they can + // be inferred as actual types from the contextual type. For example: + // declare function arrayMap(f: (x: T) => U): (a: T[]) => U[]; + // const boxElements: (a: A[]) => { value: A }[] = arrayMap(value => ({ value })); + // Above, the type of the 'value' parameter is inferred to be 'A'. + var contextualSignature = getSingleCallSignature(instantiatedType); + var inferenceSourceType = contextualSignature && contextualSignature.typeParameters ? + getOrCreateTypeFromSignature(getSignatureInstantiationWithoutFillingInTypeArguments(contextualSignature, contextualSignature.typeParameters)) : + instantiatedType; + // Inferences made from return types have lower priority than all other inferences. + inferTypes(context.inferences, inferenceSourceType, inferenceTargetType, 128 /* InferencePriority.ReturnType */); + // Create a type mapper for instantiating generic contextual types using the inferences made + // from the return type. We need a separate inference pass here because (a) instantiation of + // the source type uses the outer context's return mapper (which excludes inferences made from + // outer arguments), and (b) we don't want any further inferences going into this context. + var returnContext = createInferenceContext(signature.typeParameters, signature, context.flags); + var returnSourceType = instantiateType(contextualType, outerContext && outerContext.returnMapper); + inferTypes(returnContext.inferences, returnSourceType, inferenceTargetType); + context.returnMapper = ts.some(returnContext.inferences, hasInferenceCandidates) ? getMapperFromContext(cloneInferredPartOfContext(returnContext)) : undefined; + } + } + } + var restType = getNonArrayRestType(signature); + var argCount = restType ? Math.min(getParameterCount(signature) - 1, args.length) : args.length; + if (restType && restType.flags & 262144 /* TypeFlags.TypeParameter */) { + var info = ts.find(context.inferences, function (info) { return info.typeParameter === restType; }); + if (info) { + info.impliedArity = ts.findIndex(args, isSpreadArgument, argCount) < 0 ? args.length - argCount : undefined; + } + } + var thisType = getThisTypeOfSignature(signature); + if (thisType && couldContainTypeVariables(thisType)) { + var thisArgumentNode = getThisArgumentOfCall(node); + inferTypes(context.inferences, getThisArgumentType(thisArgumentNode), thisType); + } + for (var i = 0; i < argCount; i++) { + var arg = args[i]; + if (arg.kind !== 227 /* SyntaxKind.OmittedExpression */ && !(checkMode & 32 /* CheckMode.IsForStringLiteralArgumentCompletions */ && hasSkipDirectInferenceFlag(arg))) { + var paramType = getTypeAtPosition(signature, i); + if (couldContainTypeVariables(paramType)) { + var argType = checkExpressionWithContextualType(arg, paramType, context, checkMode); + inferTypes(context.inferences, argType, paramType); + } + } + } + if (restType && couldContainTypeVariables(restType)) { + var spreadType = getSpreadArgumentType(args, argCount, args.length, restType, context, checkMode); + inferTypes(context.inferences, spreadType, restType); + } + return getInferredTypes(context); + } + function getMutableArrayOrTupleType(type) { + return type.flags & 1048576 /* TypeFlags.Union */ ? mapType(type, getMutableArrayOrTupleType) : + type.flags & 1 /* TypeFlags.Any */ || isMutableArrayOrTuple(getBaseConstraintOfType(type) || type) ? type : + isTupleType(type) ? createTupleType(getTypeArguments(type), type.target.elementFlags, /*readonly*/ false, type.target.labeledElementDeclarations) : + createTupleType([type], [8 /* ElementFlags.Variadic */]); + } + function getSpreadArgumentType(args, index, argCount, restType, context, checkMode) { + if (index >= argCount - 1) { + var arg = args[argCount - 1]; + if (isSpreadArgument(arg)) { + // We are inferring from a spread expression in the last argument position, i.e. both the parameter + // and the argument are ...x forms. + return getMutableArrayOrTupleType(arg.kind === 232 /* SyntaxKind.SyntheticExpression */ ? arg.type : + checkExpressionWithContextualType(arg.expression, restType, context, checkMode)); + } + } + var types = []; + var flags = []; + var names = []; + for (var i = index; i < argCount; i++) { + var arg = args[i]; + if (isSpreadArgument(arg)) { + var spreadType = arg.kind === 232 /* SyntaxKind.SyntheticExpression */ ? arg.type : checkExpression(arg.expression); + if (isArrayLikeType(spreadType)) { + types.push(spreadType); + flags.push(8 /* ElementFlags.Variadic */); + } + else { + types.push(checkIteratedTypeOrElementType(33 /* IterationUse.Spread */, spreadType, undefinedType, arg.kind === 225 /* SyntaxKind.SpreadElement */ ? arg.expression : arg)); + flags.push(4 /* ElementFlags.Rest */); + } + } + else { + var contextualType = getIndexedAccessType(restType, getNumberLiteralType(i - index), 256 /* AccessFlags.Contextual */); + var argType = checkExpressionWithContextualType(arg, contextualType, context, checkMode); + var hasPrimitiveContextualType = maybeTypeOfKind(contextualType, 131068 /* TypeFlags.Primitive */ | 4194304 /* TypeFlags.Index */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */); + types.push(hasPrimitiveContextualType ? getRegularTypeOfLiteralType(argType) : getWidenedLiteralType(argType)); + flags.push(1 /* ElementFlags.Required */); + } + if (arg.kind === 232 /* SyntaxKind.SyntheticExpression */ && arg.tupleNameSource) { + names.push(arg.tupleNameSource); + } + } + return createTupleType(types, flags, /*readonly*/ false, ts.length(names) === ts.length(types) ? names : undefined); + } + function checkTypeArguments(signature, typeArgumentNodes, reportErrors, headMessage) { + var isJavascript = ts.isInJSFile(signature.declaration); + var typeParameters = signature.typeParameters; + var typeArgumentTypes = fillMissingTypeArguments(ts.map(typeArgumentNodes, getTypeFromTypeNode), typeParameters, getMinTypeArgumentCount(typeParameters), isJavascript); + var mapper; + for (var i = 0; i < typeArgumentNodes.length; i++) { + ts.Debug.assert(typeParameters[i] !== undefined, "Should not call checkTypeArguments with too many type arguments"); + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = reportErrors && headMessage ? (function () { return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); }) : undefined; + var typeArgumentHeadMessage = headMessage || ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + if (!checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo)) { + return undefined; + } + } + } + return typeArgumentTypes; + } + function getJsxReferenceKind(node) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + return 2 /* JsxReferenceKind.Mixed */; + } + var tagType = getApparentType(checkExpression(node.tagName)); + if (ts.length(getSignaturesOfType(tagType, 1 /* SignatureKind.Construct */))) { + return 0 /* JsxReferenceKind.Component */; + } + if (ts.length(getSignaturesOfType(tagType, 0 /* SignatureKind.Call */))) { + return 1 /* JsxReferenceKind.Function */; + } + return 2 /* JsxReferenceKind.Mixed */; + } + /** + * Check if the given signature can possibly be a signature called by the JSX opening-like element. + * @param node a JSX opening-like element we are trying to figure its call signature + * @param signature a candidate signature we are trying whether it is a call signature + * @param relation a relationship to check parameter and argument type + */ + function checkApplicableSignatureForJsxOpeningLikeElement(node, signature, relation, checkMode, reportErrors, containingMessageChain, errorOutputContainer) { + // Stateless function components can have maximum of three arguments: "props", "context", and "updater". + // However "context" and "updater" are implicit and can't be specify by users. Only the first parameter, props, + // can be specified by users through attributes property. + var paramType = getEffectiveFirstArgumentForJsxSignature(signature, node); + var attributesType = checkExpressionWithContextualType(node.attributes, paramType, /*inferenceContext*/ undefined, checkMode); + return checkTagNameDoesNotExpectTooManyArguments() && checkTypeRelatedToAndOptionallyElaborate(attributesType, paramType, relation, reportErrors ? node.tagName : undefined, node.attributes, + /*headMessage*/ undefined, containingMessageChain, errorOutputContainer); + function checkTagNameDoesNotExpectTooManyArguments() { + var _a; + if (getJsxNamespaceContainerForImplicitImport(node)) { + return true; // factory is implicitly jsx/jsxdev - assume it fits the bill, since we don't strongly look for the jsx/jsxs/jsxDEV factory APIs anywhere else (at least not yet) + } + var tagType = ts.isJsxOpeningElement(node) || ts.isJsxSelfClosingElement(node) && !isJsxIntrinsicIdentifier(node.tagName) ? checkExpression(node.tagName) : undefined; + if (!tagType) { + return true; + } + var tagCallSignatures = getSignaturesOfType(tagType, 0 /* SignatureKind.Call */); + if (!ts.length(tagCallSignatures)) { + return true; + } + var factory = getJsxFactoryEntity(node); + if (!factory) { + return true; + } + var factorySymbol = resolveEntityName(factory, 111551 /* SymbolFlags.Value */, /*ignoreErrors*/ true, /*dontResolveAlias*/ false, node); + if (!factorySymbol) { + return true; + } + var factoryType = getTypeOfSymbol(factorySymbol); + var callSignatures = getSignaturesOfType(factoryType, 0 /* SignatureKind.Call */); + if (!ts.length(callSignatures)) { + return true; + } + var hasFirstParamSignatures = false; + var maxParamCount = 0; + // Check that _some_ first parameter expects a FC-like thing, and that some overload of the SFC expects an acceptable number of arguments + for (var _i = 0, callSignatures_1 = callSignatures; _i < callSignatures_1.length; _i++) { + var sig = callSignatures_1[_i]; + var firstparam = getTypeAtPosition(sig, 0); + var signaturesOfParam = getSignaturesOfType(firstparam, 0 /* SignatureKind.Call */); + if (!ts.length(signaturesOfParam)) + continue; + for (var _b = 0, signaturesOfParam_1 = signaturesOfParam; _b < signaturesOfParam_1.length; _b++) { + var paramSig = signaturesOfParam_1[_b]; + hasFirstParamSignatures = true; + if (hasEffectiveRestParameter(paramSig)) { + return true; // some signature has a rest param, so function components can have an arbitrary number of arguments + } + var paramCount = getParameterCount(paramSig); + if (paramCount > maxParamCount) { + maxParamCount = paramCount; + } + } + } + if (!hasFirstParamSignatures) { + // Not a single signature had a first parameter which expected a signature - for back compat, and + // to guard against generic factories which won't have signatures directly, do not error + return true; + } + var absoluteMinArgCount = Infinity; + for (var _c = 0, tagCallSignatures_1 = tagCallSignatures; _c < tagCallSignatures_1.length; _c++) { + var tagSig = tagCallSignatures_1[_c]; + var tagRequiredArgCount = getMinArgumentCount(tagSig); + if (tagRequiredArgCount < absoluteMinArgCount) { + absoluteMinArgCount = tagRequiredArgCount; + } + } + if (absoluteMinArgCount <= maxParamCount) { + return true; // some signature accepts the number of arguments the function component provides + } + if (reportErrors) { + var diag = ts.createDiagnosticForNode(node.tagName, ts.Diagnostics.Tag_0_expects_at_least_1_arguments_but_the_JSX_factory_2_provides_at_most_3, ts.entityNameToString(node.tagName), absoluteMinArgCount, ts.entityNameToString(factory), maxParamCount); + var tagNameDeclaration = (_a = getSymbolAtLocation(node.tagName)) === null || _a === void 0 ? void 0 : _a.valueDeclaration; + if (tagNameDeclaration) { + ts.addRelatedInfo(diag, ts.createDiagnosticForNode(tagNameDeclaration, ts.Diagnostics._0_is_declared_here, ts.entityNameToString(node.tagName))); + } + if (errorOutputContainer && errorOutputContainer.skipLogging) { + (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag); + } + if (!errorOutputContainer.skipLogging) { + diagnostics.add(diag); + } + } + return false; + } + } + function getSignatureApplicabilityError(node, args, signature, relation, checkMode, reportErrors, containingMessageChain) { + var errorOutputContainer = { errors: undefined, skipLogging: true }; + if (ts.isJsxOpeningLikeElement(node)) { + if (!checkApplicableSignatureForJsxOpeningLikeElement(node, signature, relation, checkMode, reportErrors, containingMessageChain, errorOutputContainer)) { + ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "jsx should have errors when reporting errors"); + return errorOutputContainer.errors || ts.emptyArray; + } + return undefined; + } + var thisType = getThisTypeOfSignature(signature); + if (thisType && thisType !== voidType && node.kind !== 209 /* SyntaxKind.NewExpression */) { + // If the called expression is not of the form `x.f` or `x["f"]`, then sourceType = voidType + // If the signature's 'this' type is voidType, then the check is skipped -- anything is compatible. + // If the expression is a new expression, then the check is skipped. + var thisArgumentNode = getThisArgumentOfCall(node); + var thisArgumentType = getThisArgumentType(thisArgumentNode); + var errorNode = reportErrors ? (thisArgumentNode || node) : undefined; + var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1; + if (!checkTypeRelatedTo(thisArgumentType, thisType, relation, errorNode, headMessage_1, containingMessageChain, errorOutputContainer)) { + ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "this parameter should have errors when reporting errors"); + return errorOutputContainer.errors || ts.emptyArray; + } + } + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + var restType = getNonArrayRestType(signature); + var argCount = restType ? Math.min(getParameterCount(signature) - 1, args.length) : args.length; + for (var i = 0; i < argCount; i++) { + var arg = args[i]; + if (arg.kind !== 227 /* SyntaxKind.OmittedExpression */) { + var paramType = getTypeAtPosition(signature, i); + var argType = checkExpressionWithContextualType(arg, paramType, /*inferenceContext*/ undefined, checkMode); + // If one or more arguments are still excluded (as indicated by CheckMode.SkipContextSensitive), + // we obtain the regular type of any object literal arguments because we may not have inferred complete + // parameter types yet and therefore excess property checks may yield false positives (see #17041). + var checkArgType = checkMode & 4 /* CheckMode.SkipContextSensitive */ ? getRegularTypeOfObjectLiteral(argType) : argType; + if (!checkTypeRelatedToAndOptionallyElaborate(checkArgType, paramType, relation, reportErrors ? arg : undefined, arg, headMessage, containingMessageChain, errorOutputContainer)) { + ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "parameter should have errors when reporting errors"); + maybeAddMissingAwaitInfo(arg, checkArgType, paramType); + return errorOutputContainer.errors || ts.emptyArray; + } + } + } + if (restType) { + var spreadType = getSpreadArgumentType(args, argCount, args.length, restType, /*context*/ undefined, checkMode); + var restArgCount = args.length - argCount; + var errorNode = !reportErrors ? undefined : + restArgCount === 0 ? node : + restArgCount === 1 ? args[argCount] : + ts.setTextRangePosEnd(createSyntheticExpression(node, spreadType), args[argCount].pos, args[args.length - 1].end); + if (!checkTypeRelatedTo(spreadType, restType, relation, errorNode, headMessage, /*containingMessageChain*/ undefined, errorOutputContainer)) { + ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "rest parameter should have errors when reporting errors"); + maybeAddMissingAwaitInfo(errorNode, spreadType, restType); + return errorOutputContainer.errors || ts.emptyArray; + } + } + return undefined; + function maybeAddMissingAwaitInfo(errorNode, source, target) { + if (errorNode && reportErrors && errorOutputContainer.errors && errorOutputContainer.errors.length) { + // Bail if target is Promise-like---something else is wrong + if (getAwaitedTypeOfPromise(target)) { + return; + } + var awaitedTypeOfSource = getAwaitedTypeOfPromise(source); + if (awaitedTypeOfSource && isTypeRelatedTo(awaitedTypeOfSource, target, relation)) { + ts.addRelatedInfo(errorOutputContainer.errors[0], ts.createDiagnosticForNode(errorNode, ts.Diagnostics.Did_you_forget_to_use_await)); + } + } + } + } + /** + * Returns the this argument in calls like x.f(...) and x[f](...). Undefined otherwise. + */ + function getThisArgumentOfCall(node) { + var expression = node.kind === 208 /* SyntaxKind.CallExpression */ ? node.expression : + node.kind === 210 /* SyntaxKind.TaggedTemplateExpression */ ? node.tag : undefined; + if (expression) { + var callee = ts.skipOuterExpressions(expression); + if (ts.isAccessExpression(callee)) { + return callee.expression; + } + } + } + function createSyntheticExpression(parent, type, isSpread, tupleNameSource) { + var result = ts.parseNodeFactory.createSyntheticExpression(type, isSpread, tupleNameSource); + ts.setTextRange(result, parent); + ts.setParent(result, parent); + return result; + } + /** + * Returns the effective arguments for an expression that works like a function invocation. + */ + function getEffectiveCallArguments(node) { + if (node.kind === 210 /* SyntaxKind.TaggedTemplateExpression */) { + var template = node.template; + var args_3 = [createSyntheticExpression(template, getGlobalTemplateStringsArrayType())]; + if (template.kind === 223 /* SyntaxKind.TemplateExpression */) { + ts.forEach(template.templateSpans, function (span) { + args_3.push(span.expression); + }); + } + return args_3; + } + if (node.kind === 165 /* SyntaxKind.Decorator */) { + return getEffectiveDecoratorArguments(node); + } + if (ts.isJsxOpeningLikeElement(node)) { + return node.attributes.properties.length > 0 || (ts.isJsxOpeningElement(node) && node.parent.children.length > 0) ? [node.attributes] : ts.emptyArray; + } + var args = node.arguments || ts.emptyArray; + var spreadIndex = getSpreadArgumentIndex(args); + if (spreadIndex >= 0) { + // Create synthetic arguments from spreads of tuple types. + var effectiveArgs_1 = args.slice(0, spreadIndex); + var _loop_24 = function (i) { + var arg = args[i]; + // We can call checkExpressionCached because spread expressions never have a contextual type. + var spreadType = arg.kind === 225 /* SyntaxKind.SpreadElement */ && (flowLoopCount ? checkExpression(arg.expression) : checkExpressionCached(arg.expression)); + if (spreadType && isTupleType(spreadType)) { + ts.forEach(getTypeArguments(spreadType), function (t, i) { + var _a; + var flags = spreadType.target.elementFlags[i]; + var syntheticArg = createSyntheticExpression(arg, flags & 4 /* ElementFlags.Rest */ ? createArrayType(t) : t, !!(flags & 12 /* ElementFlags.Variable */), (_a = spreadType.target.labeledElementDeclarations) === null || _a === void 0 ? void 0 : _a[i]); + effectiveArgs_1.push(syntheticArg); + }); + } + else { + effectiveArgs_1.push(arg); + } + }; + for (var i = spreadIndex; i < args.length; i++) { + _loop_24(i); + } + return effectiveArgs_1; + } + return args; + } + /** + * Returns the synthetic argument list for a decorator invocation. + */ + function getEffectiveDecoratorArguments(node) { + var parent = node.parent; + var expr = node.expression; + switch (parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + // For a class decorator, the `target` is the type of the class (e.g. the + // "static" or "constructor" side of the class). + return [ + createSyntheticExpression(expr, getTypeOfSymbol(getSymbolOfNode(parent))) + ]; + case 164 /* SyntaxKind.Parameter */: + // A parameter declaration decorator will have three arguments (see + // `ParameterDecorator` in core.d.ts). + var func = parent.parent; + return [ + createSyntheticExpression(expr, parent.parent.kind === 171 /* SyntaxKind.Constructor */ ? getTypeOfSymbol(getSymbolOfNode(func)) : errorType), + createSyntheticExpression(expr, anyType), + createSyntheticExpression(expr, numberType) + ]; + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + // A method or accessor declaration decorator will have two or three arguments (see + // `PropertyDecorator` and `MethodDecorator` in core.d.ts). If we are emitting decorators + // for ES3, we will only pass two arguments. + var hasPropDesc = parent.kind !== 167 /* SyntaxKind.PropertyDeclaration */ && languageVersion !== 0 /* ScriptTarget.ES3 */; + return [ + createSyntheticExpression(expr, getParentTypeOfClassElement(parent)), + createSyntheticExpression(expr, getClassElementPropertyKeyType(parent)), + createSyntheticExpression(expr, hasPropDesc ? createTypedPropertyDescriptorType(getTypeOfNode(parent)) : anyType) + ]; + } + return ts.Debug.fail(); + } + /** + * Returns the argument count for a decorator node that works like a function invocation. + */ + function getDecoratorArgumentCount(node, signature) { + switch (node.parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return 1; + case 167 /* SyntaxKind.PropertyDeclaration */: + return 2; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + // For ES3 or decorators with only two parameters we supply only two arguments + return languageVersion === 0 /* ScriptTarget.ES3 */ || signature.parameters.length <= 2 ? 2 : 3; + case 164 /* SyntaxKind.Parameter */: + return 3; + default: + return ts.Debug.fail(); + } + } + function getDiagnosticSpanForCallNode(node, doNotIncludeArguments) { + var start; + var length; + var sourceFile = ts.getSourceFileOfNode(node); + if (ts.isPropertyAccessExpression(node.expression)) { + var nameSpan = ts.getErrorSpanForNode(sourceFile, node.expression.name); + start = nameSpan.start; + length = doNotIncludeArguments ? nameSpan.length : node.end - start; + } + else { + var expressionSpan = ts.getErrorSpanForNode(sourceFile, node.expression); + start = expressionSpan.start; + length = doNotIncludeArguments ? expressionSpan.length : node.end - start; + } + return { start: start, length: length, sourceFile: sourceFile }; + } + function getDiagnosticForCallNode(node, message, arg0, arg1, arg2, arg3) { + if (ts.isCallExpression(node)) { + var _a = getDiagnosticSpanForCallNode(node), sourceFile = _a.sourceFile, start = _a.start, length_6 = _a.length; + return ts.createFileDiagnostic(sourceFile, start, length_6, message, arg0, arg1, arg2, arg3); + } + else { + return ts.createDiagnosticForNode(node, message, arg0, arg1, arg2, arg3); + } + } + function isPromiseResolveArityError(node) { + if (!ts.isCallExpression(node) || !ts.isIdentifier(node.expression)) + return false; + var symbol = resolveName(node.expression, node.expression.escapedText, 111551 /* SymbolFlags.Value */, undefined, undefined, false); + var decl = symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration; + if (!decl || !ts.isParameter(decl) || !ts.isFunctionExpressionOrArrowFunction(decl.parent) || !ts.isNewExpression(decl.parent.parent) || !ts.isIdentifier(decl.parent.parent.expression)) { + return false; + } + var globalPromiseSymbol = getGlobalPromiseConstructorSymbol(/*reportErrors*/ false); + if (!globalPromiseSymbol) + return false; + var constructorSymbol = getSymbolAtLocation(decl.parent.parent.expression, /*ignoreErrors*/ true); + return constructorSymbol === globalPromiseSymbol; + } + function getArgumentArityError(node, signatures, args) { + var _a; + var spreadIndex = getSpreadArgumentIndex(args); + if (spreadIndex > -1) { + return ts.createDiagnosticForNode(args[spreadIndex], ts.Diagnostics.A_spread_argument_must_either_have_a_tuple_type_or_be_passed_to_a_rest_parameter); + } + var min = Number.POSITIVE_INFINITY; // smallest parameter count + var max = Number.NEGATIVE_INFINITY; // largest parameter count + var maxBelow = Number.NEGATIVE_INFINITY; // largest parameter count that is smaller than the number of arguments + var minAbove = Number.POSITIVE_INFINITY; // smallest parameter count that is larger than the number of arguments + var closestSignature; + for (var _i = 0, signatures_8 = signatures; _i < signatures_8.length; _i++) { + var sig = signatures_8[_i]; + var minParameter = getMinArgumentCount(sig); + var maxParameter = getParameterCount(sig); + // smallest/largest parameter counts + if (minParameter < min) { + min = minParameter; + closestSignature = sig; + } + max = Math.max(max, maxParameter); + // shortest parameter count *longer than the call*/longest parameter count *shorter than the call* + if (minParameter < args.length && minParameter > maxBelow) + maxBelow = minParameter; + if (args.length < maxParameter && maxParameter < minAbove) + minAbove = maxParameter; + } + var hasRestParameter = ts.some(signatures, hasEffectiveRestParameter); + var parameterRange = hasRestParameter ? min + : min < max ? min + "-" + max + : min; + var isVoidPromiseError = !hasRestParameter && parameterRange === 1 && args.length === 0 && isPromiseResolveArityError(node); + if (isVoidPromiseError && ts.isInJSFile(node)) { + return getDiagnosticForCallNode(node, ts.Diagnostics.Expected_1_argument_but_got_0_new_Promise_needs_a_JSDoc_hint_to_produce_a_resolve_that_can_be_called_without_arguments); + } + var error = hasRestParameter + ? ts.Diagnostics.Expected_at_least_0_arguments_but_got_1 + : isVoidPromiseError + ? ts.Diagnostics.Expected_0_arguments_but_got_1_Did_you_forget_to_include_void_in_your_type_argument_to_Promise + : ts.Diagnostics.Expected_0_arguments_but_got_1; + if (min < args.length && args.length < max) { + // between min and max, but with no matching overload + return getDiagnosticForCallNode(node, ts.Diagnostics.No_overload_expects_0_arguments_but_overloads_do_exist_that_expect_either_1_or_2_arguments, args.length, maxBelow, minAbove); + } + else if (args.length < min) { + // too short: put the error span on the call expression, not any of the args + var diagnostic = getDiagnosticForCallNode(node, error, parameterRange, args.length); + var parameter = (_a = closestSignature === null || closestSignature === void 0 ? void 0 : closestSignature.declaration) === null || _a === void 0 ? void 0 : _a.parameters[closestSignature.thisParameter ? args.length + 1 : args.length]; + if (parameter) { + var parameterError = ts.createDiagnosticForNode(parameter, ts.isBindingPattern(parameter.name) ? ts.Diagnostics.An_argument_matching_this_binding_pattern_was_not_provided + : ts.isRestParameter(parameter) ? ts.Diagnostics.Arguments_for_the_rest_parameter_0_were_not_provided + : ts.Diagnostics.An_argument_for_0_was_not_provided, !parameter.name ? args.length : !ts.isBindingPattern(parameter.name) ? ts.idText(ts.getFirstIdentifier(parameter.name)) : undefined); + return ts.addRelatedInfo(diagnostic, parameterError); + } + return diagnostic; + } + else { + // too long; error goes on the excess parameters + var errorSpan = ts.factory.createNodeArray(args.slice(max)); + var pos = ts.first(errorSpan).pos; + var end = ts.last(errorSpan).end; + if (end === pos) { + end++; + } + ts.setTextRangePosEnd(errorSpan, pos, end); + return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), errorSpan, error, parameterRange, args.length); + } + } + function getTypeArgumentArityError(node, signatures, typeArguments) { + var argCount = typeArguments.length; + // No overloads exist + if (signatures.length === 1) { + var sig = signatures[0]; + var min_1 = getMinTypeArgumentCount(sig.typeParameters); + var max = ts.length(sig.typeParameters); + return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.Expected_0_type_arguments_but_got_1, min_1 < max ? min_1 + "-" + max : min_1, argCount); + } + // Overloads exist + var belowArgCount = -Infinity; + var aboveArgCount = Infinity; + for (var _i = 0, signatures_9 = signatures; _i < signatures_9.length; _i++) { + var sig = signatures_9[_i]; + var min_2 = getMinTypeArgumentCount(sig.typeParameters); + var max = ts.length(sig.typeParameters); + if (min_2 > argCount) { + aboveArgCount = Math.min(aboveArgCount, min_2); + } + else if (max < argCount) { + belowArgCount = Math.max(belowArgCount, max); + } + } + if (belowArgCount !== -Infinity && aboveArgCount !== Infinity) { + return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.No_overload_expects_0_type_arguments_but_overloads_do_exist_that_expect_either_1_or_2_type_arguments, argCount, belowArgCount, aboveArgCount); + } + return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.Expected_0_type_arguments_but_got_1, belowArgCount === -Infinity ? aboveArgCount : belowArgCount, argCount); + } + function resolveCall(node, signatures, candidatesOutArray, checkMode, callChainFlags, fallbackError) { + var isTaggedTemplate = node.kind === 210 /* SyntaxKind.TaggedTemplateExpression */; + var isDecorator = node.kind === 165 /* SyntaxKind.Decorator */; + var isJsxOpeningOrSelfClosingElement = ts.isJsxOpeningLikeElement(node); + var reportErrors = !candidatesOutArray; + var typeArguments; + if (!isDecorator) { + typeArguments = node.typeArguments; + // We already perform checking on the type arguments on the class declaration itself. + if (isTaggedTemplate || isJsxOpeningOrSelfClosingElement || node.expression.kind !== 106 /* SyntaxKind.SuperKeyword */) { + ts.forEach(typeArguments, checkSourceElement); + } + } + var candidates = candidatesOutArray || []; + // reorderCandidates fills up the candidates array directly + reorderCandidates(signatures, candidates, callChainFlags); + if (!candidates.length) { + if (reportErrors) { + diagnostics.add(getDiagnosticForCallNode(node, ts.Diagnostics.Call_target_does_not_contain_any_signatures)); + } + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + // The excludeArgument array contains true for each context sensitive argument (an argument + // is context sensitive it is susceptible to a one-time permanent contextual typing). + // + // The idea is that we will perform type argument inference & assignability checking once + // without using the susceptible parameters that are functions, and once more for those + // parameters, contextually typing each as we go along. + // + // For a tagged template, then the first argument be 'undefined' if necessary because it + // represents a TemplateStringsArray. + // + // For a decorator, no arguments are susceptible to contextual typing due to the fact + // decorators are applied to a declaration by the emitter, and not to an expression. + var isSingleNonGenericCandidate = candidates.length === 1 && !candidates[0].typeParameters; + var argCheckMode = !isDecorator && !isSingleNonGenericCandidate && ts.some(args, isContextSensitive) ? 4 /* CheckMode.SkipContextSensitive */ : 0 /* CheckMode.Normal */; + argCheckMode |= checkMode & 32 /* CheckMode.IsForStringLiteralArgumentCompletions */; + // The following variables are captured and modified by calls to chooseOverload. + // If overload resolution or type argument inference fails, we want to report the + // best error possible. The best error is one which says that an argument was not + // assignable to a parameter. This implies that everything else about the overload + // was fine. So if there is any overload that is only incorrect because of an + // argument, we will report an error on that one. + // + // function foo(s: string): void; + // function foo(n: number): void; // Report argument error on this overload + // function foo(): void; + // foo(true); + // + // If none of the overloads even made it that far, there are two possibilities. + // There was a problem with type arguments for some overload, in which case + // report an error on that. Or none of the overloads even had correct arity, + // in which case give an arity error. + // + // function foo(x: T): void; // Report type argument error + // function foo(): void; + // foo(0); + // + var candidatesForArgumentError; + var candidateForArgumentArityError; + var candidateForTypeArgumentError; + var result; + // If we are in signature help, a trailing comma indicates that we intend to provide another argument, + // so we will only accept overloads with arity at least 1 higher than the current number of provided arguments. + var signatureHelpTrailingComma = !!(checkMode & 16 /* CheckMode.IsForSignatureHelp */) && node.kind === 208 /* SyntaxKind.CallExpression */ && node.arguments.hasTrailingComma; + // Section 4.12.1: + // if the candidate list contains one or more signatures for which the type of each argument + // expression is a subtype of each corresponding parameter type, the return type of the first + // of those signatures becomes the return type of the function call. + // Otherwise, the return type of the first signature in the candidate list becomes the return + // type of the function call. + // + // Whether the call is an error is determined by assignability of the arguments. The subtype pass + // is just important for choosing the best signature. So in the case where there is only one + // signature, the subtype pass is useless. So skipping it is an optimization. + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation, isSingleNonGenericCandidate, signatureHelpTrailingComma); + } + if (!result) { + result = chooseOverload(candidates, assignableRelation, isSingleNonGenericCandidate, signatureHelpTrailingComma); + } + if (result) { + return result; + } + // No signatures were applicable. Now report errors based on the last applicable signature with + // no arguments excluded from assignability checks. + // If candidate is undefined, it means that no candidates had a suitable arity. In that case, + // skip the checkApplicableSignature check. + if (reportErrors) { + if (candidatesForArgumentError) { + if (candidatesForArgumentError.length === 1 || candidatesForArgumentError.length > 3) { + var last_2 = candidatesForArgumentError[candidatesForArgumentError.length - 1]; + var chain_1; + if (candidatesForArgumentError.length > 3) { + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.The_last_overload_gave_the_following_error); + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.No_overload_matches_this_call); + } + var diags = getSignatureApplicabilityError(node, args, last_2, assignableRelation, 0 /* CheckMode.Normal */, /*reportErrors*/ true, function () { return chain_1; }); + if (diags) { + for (var _i = 0, diags_1 = diags; _i < diags_1.length; _i++) { + var d = diags_1[_i]; + if (last_2.declaration && candidatesForArgumentError.length > 3) { + ts.addRelatedInfo(d, ts.createDiagnosticForNode(last_2.declaration, ts.Diagnostics.The_last_overload_is_declared_here)); + } + addImplementationSuccessElaboration(last_2, d); + diagnostics.add(d); + } + } + else { + ts.Debug.fail("No error for last overload signature"); + } + } + else { + var allDiagnostics = []; + var max = 0; + var min_3 = Number.MAX_VALUE; + var minIndex = 0; + var i_1 = 0; + var _loop_25 = function (c) { + var chain_2 = function () { return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Overload_0_of_1_2_gave_the_following_error, i_1 + 1, candidates.length, signatureToString(c)); }; + var diags_2 = getSignatureApplicabilityError(node, args, c, assignableRelation, 0 /* CheckMode.Normal */, /*reportErrors*/ true, chain_2); + if (diags_2) { + if (diags_2.length <= min_3) { + min_3 = diags_2.length; + minIndex = i_1; + } + max = Math.max(max, diags_2.length); + allDiagnostics.push(diags_2); + } + else { + ts.Debug.fail("No error for 3 or fewer overload signatures"); + } + i_1++; + }; + for (var _a = 0, candidatesForArgumentError_1 = candidatesForArgumentError; _a < candidatesForArgumentError_1.length; _a++) { + var c = candidatesForArgumentError_1[_a]; + _loop_25(c); + } + var diags_3 = max > 1 ? allDiagnostics[minIndex] : ts.flatten(allDiagnostics); + ts.Debug.assert(diags_3.length > 0, "No errors reported for 3 or fewer overload signatures"); + var chain = ts.chainDiagnosticMessages(ts.map(diags_3, ts.createDiagnosticMessageChainFromDiagnostic), ts.Diagnostics.No_overload_matches_this_call); + // The below is a spread to guarantee we get a new (mutable) array - our `flatMap` helper tries to do "smart" optimizations where it reuses input + // arrays and the emptyArray singleton where possible, which is decidedly not what we want while we're still constructing this diagnostic + var related = __spreadArray([], ts.flatMap(diags_3, function (d) { return d.relatedInformation; }), true); + var diag = void 0; + if (ts.every(diags_3, function (d) { return d.start === diags_3[0].start && d.length === diags_3[0].length && d.file === diags_3[0].file; })) { + var _b = diags_3[0], file = _b.file, start = _b.start, length_7 = _b.length; + diag = { file: file, start: start, length: length_7, code: chain.code, category: chain.category, messageText: chain, relatedInformation: related }; + } + else { + diag = ts.createDiagnosticForNodeFromMessageChain(node, chain, related); + } + addImplementationSuccessElaboration(candidatesForArgumentError[0], diag); + diagnostics.add(diag); + } + } + else if (candidateForArgumentArityError) { + diagnostics.add(getArgumentArityError(node, [candidateForArgumentArityError], args)); + } + else if (candidateForTypeArgumentError) { + checkTypeArguments(candidateForTypeArgumentError, node.typeArguments, /*reportErrors*/ true, fallbackError); + } + else { + var signaturesWithCorrectTypeArgumentArity = ts.filter(signatures, function (s) { return hasCorrectTypeArgumentArity(s, typeArguments); }); + if (signaturesWithCorrectTypeArgumentArity.length === 0) { + diagnostics.add(getTypeArgumentArityError(node, signatures, typeArguments)); + } + else if (!isDecorator) { + diagnostics.add(getArgumentArityError(node, signaturesWithCorrectTypeArgumentArity, args)); + } + else if (fallbackError) { + diagnostics.add(getDiagnosticForCallNode(node, fallbackError)); + } + } + } + return getCandidateForOverloadFailure(node, candidates, args, !!candidatesOutArray, checkMode); + function addImplementationSuccessElaboration(failed, diagnostic) { + var _a, _b; + var oldCandidatesForArgumentError = candidatesForArgumentError; + var oldCandidateForArgumentArityError = candidateForArgumentArityError; + var oldCandidateForTypeArgumentError = candidateForTypeArgumentError; + var failedSignatureDeclarations = ((_b = (_a = failed.declaration) === null || _a === void 0 ? void 0 : _a.symbol) === null || _b === void 0 ? void 0 : _b.declarations) || ts.emptyArray; + var isOverload = failedSignatureDeclarations.length > 1; + var implDecl = isOverload ? ts.find(failedSignatureDeclarations, function (d) { return ts.isFunctionLikeDeclaration(d) && ts.nodeIsPresent(d.body); }) : undefined; + if (implDecl) { + var candidate = getSignatureFromDeclaration(implDecl); + var isSingleNonGenericCandidate_1 = !candidate.typeParameters; + if (chooseOverload([candidate], assignableRelation, isSingleNonGenericCandidate_1)) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(implDecl, ts.Diagnostics.The_call_would_have_succeeded_against_this_implementation_but_implementation_signatures_of_overloads_are_not_externally_visible)); + } + } + candidatesForArgumentError = oldCandidatesForArgumentError; + candidateForArgumentArityError = oldCandidateForArgumentArityError; + candidateForTypeArgumentError = oldCandidateForTypeArgumentError; + } + function chooseOverload(candidates, relation, isSingleNonGenericCandidate, signatureHelpTrailingComma) { + if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } + candidatesForArgumentError = undefined; + candidateForArgumentArityError = undefined; + candidateForTypeArgumentError = undefined; + if (isSingleNonGenericCandidate) { + var candidate = candidates[0]; + if (ts.some(typeArguments) || !hasCorrectArity(node, args, candidate, signatureHelpTrailingComma)) { + return undefined; + } + if (getSignatureApplicabilityError(node, args, candidate, relation, 0 /* CheckMode.Normal */, /*reportErrors*/ false, /*containingMessageChain*/ undefined)) { + candidatesForArgumentError = [candidate]; + return undefined; + } + return candidate; + } + for (var candidateIndex = 0; candidateIndex < candidates.length; candidateIndex++) { + var candidate = candidates[candidateIndex]; + if (!hasCorrectTypeArgumentArity(candidate, typeArguments) || !hasCorrectArity(node, args, candidate, signatureHelpTrailingComma)) { + continue; + } + var checkCandidate = void 0; + var inferenceContext = void 0; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (ts.some(typeArguments)) { + typeArgumentTypes = checkTypeArguments(candidate, typeArguments, /*reportErrors*/ false); + if (!typeArgumentTypes) { + candidateForTypeArgumentError = candidate; + continue; + } + } + else { + inferenceContext = createInferenceContext(candidate.typeParameters, candidate, /*flags*/ ts.isInJSFile(node) ? 2 /* InferenceFlags.AnyDefault */ : 0 /* InferenceFlags.None */); + typeArgumentTypes = inferTypeArguments(node, candidate, args, argCheckMode | 8 /* CheckMode.SkipGenericFunctions */, inferenceContext); + argCheckMode |= inferenceContext.flags & 4 /* InferenceFlags.SkippedGenericFunction */ ? 8 /* CheckMode.SkipGenericFunctions */ : 0 /* CheckMode.Normal */; + } + checkCandidate = getSignatureInstantiation(candidate, typeArgumentTypes, ts.isInJSFile(candidate.declaration), inferenceContext && inferenceContext.inferredTypeParameters); + // If the original signature has a generic rest type, instantiation may produce a + // signature with different arity and we need to perform another arity check. + if (getNonArrayRestType(candidate) && !hasCorrectArity(node, args, checkCandidate, signatureHelpTrailingComma)) { + candidateForArgumentArityError = checkCandidate; + continue; + } + } + else { + checkCandidate = candidate; + } + if (getSignatureApplicabilityError(node, args, checkCandidate, relation, argCheckMode, /*reportErrors*/ false, /*containingMessageChain*/ undefined)) { + // Give preference to error candidates that have no rest parameters (as they are more specific) + (candidatesForArgumentError || (candidatesForArgumentError = [])).push(checkCandidate); + continue; + } + if (argCheckMode) { + // If one or more context sensitive arguments were excluded, we start including + // them now (and keeping do so for any subsequent candidates) and perform a second + // round of type inference and applicability checking for this particular candidate. + argCheckMode = checkMode & 32 /* CheckMode.IsForStringLiteralArgumentCompletions */; + if (inferenceContext) { + var typeArgumentTypes = inferTypeArguments(node, candidate, args, argCheckMode, inferenceContext); + checkCandidate = getSignatureInstantiation(candidate, typeArgumentTypes, ts.isInJSFile(candidate.declaration), inferenceContext && inferenceContext.inferredTypeParameters); + // If the original signature has a generic rest type, instantiation may produce a + // signature with different arity and we need to perform another arity check. + if (getNonArrayRestType(candidate) && !hasCorrectArity(node, args, checkCandidate, signatureHelpTrailingComma)) { + candidateForArgumentArityError = checkCandidate; + continue; + } + } + if (getSignatureApplicabilityError(node, args, checkCandidate, relation, argCheckMode, /*reportErrors*/ false, /*containingMessageChain*/ undefined)) { + // Give preference to error candidates that have no rest parameters (as they are more specific) + (candidatesForArgumentError || (candidatesForArgumentError = [])).push(checkCandidate); + continue; + } + } + candidates[candidateIndex] = checkCandidate; + return checkCandidate; + } + return undefined; + } + } + // No signature was applicable. We have already reported the errors for the invalid signature. + function getCandidateForOverloadFailure(node, candidates, args, hasCandidatesOutArray, checkMode) { + ts.Debug.assert(candidates.length > 0); // Else should not have called this. + checkNodeDeferred(node); + // Normally we will combine overloads. Skip this if they have type parameters since that's hard to combine. + // Don't do this if there is a `candidatesOutArray`, + // because then we want the chosen best candidate to be one of the overloads, not a combination. + return hasCandidatesOutArray || candidates.length === 1 || candidates.some(function (c) { return !!c.typeParameters; }) + ? pickLongestCandidateSignature(node, candidates, args, checkMode) + : createUnionOfSignaturesForOverloadFailure(candidates); + } + function createUnionOfSignaturesForOverloadFailure(candidates) { + var thisParameters = ts.mapDefined(candidates, function (c) { return c.thisParameter; }); + var thisParameter; + if (thisParameters.length) { + thisParameter = createCombinedSymbolFromTypes(thisParameters, thisParameters.map(getTypeOfParameter)); + } + var _a = ts.minAndMax(candidates, getNumNonRestParameters), minArgumentCount = _a.min, maxNonRestParam = _a.max; + var parameters = []; + var _loop_26 = function (i) { + var symbols = ts.mapDefined(candidates, function (s) { return signatureHasRestParameter(s) ? + i < s.parameters.length - 1 ? s.parameters[i] : ts.last(s.parameters) : + i < s.parameters.length ? s.parameters[i] : undefined; }); + ts.Debug.assert(symbols.length !== 0); + parameters.push(createCombinedSymbolFromTypes(symbols, ts.mapDefined(candidates, function (candidate) { return tryGetTypeAtPosition(candidate, i); }))); + }; + for (var i = 0; i < maxNonRestParam; i++) { + _loop_26(i); + } + var restParameterSymbols = ts.mapDefined(candidates, function (c) { return signatureHasRestParameter(c) ? ts.last(c.parameters) : undefined; }); + var flags = 0 /* SignatureFlags.None */; + if (restParameterSymbols.length !== 0) { + var type = createArrayType(getUnionType(ts.mapDefined(candidates, tryGetRestTypeOfSignature), 2 /* UnionReduction.Subtype */)); + parameters.push(createCombinedSymbolForOverloadFailure(restParameterSymbols, type)); + flags |= 1 /* SignatureFlags.HasRestParameter */; + } + if (candidates.some(signatureHasLiteralTypes)) { + flags |= 2 /* SignatureFlags.HasLiteralTypes */; + } + return createSignature(candidates[0].declaration, + /*typeParameters*/ undefined, // Before calling this we tested for `!candidates.some(c => !!c.typeParameters)`. + thisParameter, parameters, + /*resolvedReturnType*/ getIntersectionType(candidates.map(getReturnTypeOfSignature)), + /*typePredicate*/ undefined, minArgumentCount, flags); + } + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signatureHasRestParameter(signature) ? numParams - 1 : numParams; + } + function createCombinedSymbolFromTypes(sources, types) { + return createCombinedSymbolForOverloadFailure(sources, getUnionType(types, 2 /* UnionReduction.Subtype */)); + } + function createCombinedSymbolForOverloadFailure(sources, type) { + // This function is currently only used for erroneous overloads, so it's good enough to just use the first source. + return createSymbolWithType(ts.first(sources), type); + } + function pickLongestCandidateSignature(node, candidates, args, checkMode) { + // Pick the longest signature. This way we can get a contextual type for cases like: + // declare function f(a: { xa: number; xb: number; }, b: number); + // f({ | + // Also, use explicitly-supplied type arguments if they are provided, so we can get a contextual signature in cases like: + // declare function f(k: keyof T); + // f(" + var bestIndex = getLongestCandidateIndex(candidates, apparentArgumentCount === undefined ? args.length : apparentArgumentCount); + var candidate = candidates[bestIndex]; + var typeParameters = candidate.typeParameters; + if (!typeParameters) { + return candidate; + } + var typeArgumentNodes = callLikeExpressionMayHaveTypeArguments(node) ? node.typeArguments : undefined; + var instantiated = typeArgumentNodes + ? createSignatureInstantiation(candidate, getTypeArgumentsFromNodes(typeArgumentNodes, typeParameters, ts.isInJSFile(node))) + : inferSignatureInstantiationForOverloadFailure(node, typeParameters, candidate, args, checkMode); + candidates[bestIndex] = instantiated; + return instantiated; + } + function getTypeArgumentsFromNodes(typeArgumentNodes, typeParameters, isJs) { + var typeArguments = typeArgumentNodes.map(getTypeOfNode); + while (typeArguments.length > typeParameters.length) { + typeArguments.pop(); + } + while (typeArguments.length < typeParameters.length) { + typeArguments.push(getDefaultFromTypeParameter(typeParameters[typeArguments.length]) || getConstraintOfTypeParameter(typeParameters[typeArguments.length]) || getDefaultTypeArgumentType(isJs)); + } + return typeArguments; + } + function inferSignatureInstantiationForOverloadFailure(node, typeParameters, candidate, args, checkMode) { + var inferenceContext = createInferenceContext(typeParameters, candidate, /*flags*/ ts.isInJSFile(node) ? 2 /* InferenceFlags.AnyDefault */ : 0 /* InferenceFlags.None */); + var typeArgumentTypes = inferTypeArguments(node, candidate, args, checkMode | 4 /* CheckMode.SkipContextSensitive */ | 8 /* CheckMode.SkipGenericFunctions */, inferenceContext); + return createSignatureInstantiation(candidate, typeArgumentTypes); + } + function getLongestCandidateIndex(candidates, argsCount) { + var maxParamsIndex = -1; + var maxParams = -1; + for (var i = 0; i < candidates.length; i++) { + var candidate = candidates[i]; + var paramCount = getParameterCount(candidate); + if (hasEffectiveRestParameter(candidate) || paramCount >= argsCount) { + return i; + } + if (paramCount > maxParams) { + maxParams = paramCount; + maxParamsIndex = i; + } + } + return maxParamsIndex; + } + function resolveCallExpression(node, candidatesOutArray, checkMode) { + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + var superType = checkSuperExpression(node.expression); + if (isTypeAny(superType)) { + for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { + var arg = _a[_i]; + checkExpression(arg); // Still visit arguments so they get marked for visibility, etc + } + return anySignature; + } + if (!isErrorType(superType)) { + // In super call, the candidate signatures are the matching arity signatures of the base constructor function instantiated + // with the type arguments specified in the extends clause. + var baseTypeNode = ts.getEffectiveBaseTypeNode(ts.getContainingClass(node)); + if (baseTypeNode) { + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments, baseTypeNode); + return resolveCall(node, baseConstructors, candidatesOutArray, checkMode, 0 /* SignatureFlags.None */); + } + } + return resolveUntypedCall(node); + } + var callChainFlags; + var funcType = checkExpression(node.expression); + if (ts.isCallChain(node)) { + var nonOptionalType = getOptionalExpressionType(funcType, node.expression); + callChainFlags = nonOptionalType === funcType ? 0 /* SignatureFlags.None */ : + ts.isOutermostOptionalChain(node) ? 16 /* SignatureFlags.IsOuterCallChain */ : + 8 /* SignatureFlags.IsInnerCallChain */; + funcType = nonOptionalType; + } + else { + callChainFlags = 0 /* SignatureFlags.None */; + } + funcType = checkNonNullTypeWithReporter(funcType, node.expression, reportCannotInvokePossiblyNullOrUndefinedError); + if (funcType === silentNeverType) { + return silentNeverSignature; + } + var apparentType = getApparentType(funcType); + if (isErrorType(apparentType)) { + // Another error has already been reported + return resolveErrorCall(node); + } + // Technically, this signatures list may be incomplete. We are taking the apparent type, + // but we are not including call signatures that may have been added to the Object or + // Function interface, since they have none by default. This is a bit of a leap of faith + // that the user will not add any. + var callSignatures = getSignaturesOfType(apparentType, 0 /* SignatureKind.Call */); + var numConstructSignatures = getSignaturesOfType(apparentType, 1 /* SignatureKind.Construct */).length; + // TS 1.0 Spec: 4.12 + // In an untyped function call no TypeArgs are permitted, Args can be any argument list, no contextual + // types are provided for the argument expressions, and the result is always of type Any. + if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, numConstructSignatures)) { + // The unknownType indicates that an error already occurred (and was reported). No + // need to report another error in this case. + if (!isErrorType(funcType) && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + // If FuncExpr's apparent type(section 3.8.1) is a function type, the call is a typed function call. + // TypeScript employs overload resolution in typed function calls in order to support functions + // with multiple call signatures. + if (!callSignatures.length) { + if (numConstructSignatures) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + var relatedInformation = void 0; + if (node.arguments.length === 1) { + var text = ts.getSourceFileOfNode(node).text; + if (ts.isLineBreak(text.charCodeAt(ts.skipTrivia(text, node.expression.end, /* stopAfterLineBreak */ true) - 1))) { + relatedInformation = ts.createDiagnosticForNode(node.expression, ts.Diagnostics.Are_you_missing_a_semicolon); + } + } + invocationError(node.expression, apparentType, 0 /* SignatureKind.Call */, relatedInformation); + } + return resolveErrorCall(node); + } + // When a call to a generic function is an argument to an outer call to a generic function for which + // inference is in process, we have a choice to make. If the inner call relies on inferences made from + // its contextual type to its return type, deferring the inner call processing allows the best possible + // contextual type to accumulate. But if the outer call relies on inferences made from the return type of + // the inner call, the inner call should be processed early. There's no sure way to know which choice is + // right (only a full unification algorithm can determine that), so we resort to the following heuristic: + // If no type arguments are specified in the inner call and at least one call signature is generic and + // returns a function type, we choose to defer processing. This narrowly permits function composition + // operators to flow inferences through return types, but otherwise processes calls right away. We + // use the resolvingSignature singleton to indicate that we deferred processing. This result will be + // propagated out and eventually turned into nonInferrableType (a type that is assignable to anything and + // from which we never make inferences). + if (checkMode & 8 /* CheckMode.SkipGenericFunctions */ && !node.typeArguments && callSignatures.some(isGenericFunctionReturningFunction)) { + skippedGenericFunction(node, checkMode); + return resolvingSignature; + } + // If the function is explicitly marked with `@class`, then it must be constructed. + if (callSignatures.some(function (sig) { return ts.isInJSFile(sig.declaration) && !!ts.getJSDocClassTag(sig.declaration); })) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, checkMode, callChainFlags); + } + function isGenericFunctionReturningFunction(signature) { + return !!(signature.typeParameters && isFunctionType(getReturnTypeOfSignature(signature))); + } + /** + * TS 1.0 spec: 4.12 + * If FuncExpr is of type Any, or of an object type that has no call or construct signatures + * but is a subtype of the Function interface, the call is an untyped function call. + */ + function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) { + // We exclude union types because we may have a union of function types that happen to have no common signatures. + return isTypeAny(funcType) || isTypeAny(apparentFuncType) && !!(funcType.flags & 262144 /* TypeFlags.TypeParameter */) || + !numCallSignatures && !numConstructSignatures && !(apparentFuncType.flags & 1048576 /* TypeFlags.Union */) && !(getReducedType(apparentFuncType).flags & 131072 /* TypeFlags.Never */) && isTypeAssignableTo(funcType, globalFunctionType); + } + function resolveNewExpression(node, candidatesOutArray, checkMode) { + if (node.arguments && languageVersion < 1 /* ScriptTarget.ES5 */) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); + } + } + var expressionType = checkNonNullExpression(node.expression); + if (expressionType === silentNeverType) { + return silentNeverSignature; + } + // If expressionType's apparent type(section 3.8.1) is an object type with one or + // more construct signatures, the expression is processed in the same manner as a + // function call, but using the construct signatures as the initial set of candidate + // signatures for overload resolution. The result type of the function call becomes + // the result type of the operation. + expressionType = getApparentType(expressionType); + if (isErrorType(expressionType)) { + // Another error has already been reported + return resolveErrorCall(node); + } + // TS 1.0 spec: 4.11 + // If expressionType is of type Any, Args can be any argument + // list and the result of the operation is of type Any. + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + // Technically, this signatures list may be incomplete. We are taking the apparent type, + // but we are not including construct signatures that may have been added to the Object or + // Function interface, since they have none by default. This is a bit of a leap of faith + // that the user will not add any. + var constructSignatures = getSignaturesOfType(expressionType, 1 /* SignatureKind.Construct */); + if (constructSignatures.length) { + if (!isConstructorAccessible(node, constructSignatures[0])) { + return resolveErrorCall(node); + } + // If the expression is a class of abstract type, or an abstract construct signature, + // then it cannot be instantiated. + // In the case of a merged class-module or class-interface declaration, + // only the class declaration node will have the Abstract flag set. + if (someSignature(constructSignatures, function (signature) { return !!(signature.flags & 4 /* SignatureFlags.Abstract */); })) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_an_abstract_class); + return resolveErrorCall(node); + } + var valueDecl = expressionType.symbol && ts.getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && ts.hasSyntacticModifier(valueDecl, 128 /* ModifierFlags.Abstract */)) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_an_abstract_class); + return resolveErrorCall(node); + } + return resolveCall(node, constructSignatures, candidatesOutArray, checkMode, 0 /* SignatureFlags.None */); + } + // If expressionType's apparent type is an object type with no construct signatures but + // one or more call signatures, the expression is processed as a function call. A compile-time + // error occurs if the result of the function call is not Void. The type of the result of the + // operation is Any. It is an error to have a Void this type. + var callSignatures = getSignaturesOfType(expressionType, 0 /* SignatureKind.Call */); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray, checkMode, 0 /* SignatureFlags.None */); + if (!noImplicitAny) { + if (signature.declaration && !isJSConstructor(signature.declaration) && getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + } + if (getThisTypeOfSignature(signature) === voidType) { + error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void); + } + } + return signature; + } + invocationError(node.expression, expressionType, 1 /* SignatureKind.Construct */); + return resolveErrorCall(node); + } + function someSignature(signatures, f) { + if (ts.isArray(signatures)) { + return ts.some(signatures, function (signature) { return someSignature(signature, f); }); + } + return signatures.compositeKind === 1048576 /* TypeFlags.Union */ ? ts.some(signatures.compositeSignatures, f) : f(signatures); + } + function typeHasProtectedAccessibleBase(target, type) { + var baseTypes = getBaseTypes(type); + if (!ts.length(baseTypes)) { + return false; + } + var firstBase = baseTypes[0]; + if (firstBase.flags & 2097152 /* TypeFlags.Intersection */) { + var types = firstBase.types; + var mixinFlags = findMixins(types); + var i = 0; + for (var _i = 0, _a = firstBase.types; _i < _a.length; _i++) { + var intersectionMember = _a[_i]; + // We want to ignore mixin ctors + if (!mixinFlags[i]) { + if (ts.getObjectFlags(intersectionMember) & (1 /* ObjectFlags.Class */ | 2 /* ObjectFlags.Interface */)) { + if (intersectionMember.symbol === target) { + return true; + } + if (typeHasProtectedAccessibleBase(target, intersectionMember)) { + return true; + } + } + } + i++; + } + return false; + } + if (firstBase.symbol === target) { + return true; + } + return typeHasProtectedAccessibleBase(target, firstBase); + } + function isConstructorAccessible(node, signature) { + if (!signature || !signature.declaration) { + return true; + } + var declaration = signature.declaration; + var modifiers = ts.getSelectedEffectiveModifierFlags(declaration, 24 /* ModifierFlags.NonPublicAccessibilityModifier */); + // (1) Public constructors and (2) constructor functions are always accessible. + if (!modifiers || declaration.kind !== 171 /* SyntaxKind.Constructor */) { + return true; + } + var declaringClassDeclaration = ts.getClassLikeDeclarationOfSymbol(declaration.parent.symbol); + var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol); + // A private or protected constructor can only be instantiated within its own class (or a subclass, for protected) + if (!isNodeWithinClass(node, declaringClassDeclaration)) { + var containingClass = ts.getContainingClass(node); + if (containingClass && modifiers & 16 /* ModifierFlags.Protected */) { + var containingType = getTypeOfNode(containingClass); + if (typeHasProtectedAccessibleBase(declaration.parent.symbol, containingType)) { + return true; + } + } + if (modifiers & 8 /* ModifierFlags.Private */) { + error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); + } + if (modifiers & 16 /* ModifierFlags.Protected */) { + error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); + } + return false; + } + return true; + } + function invocationErrorDetails(errorTarget, apparentType, kind) { + var errorInfo; + var isCall = kind === 0 /* SignatureKind.Call */; + var awaitedType = getAwaitedType(apparentType); + var maybeMissingAwait = awaitedType && getSignaturesOfType(awaitedType, kind).length > 0; + if (apparentType.flags & 1048576 /* TypeFlags.Union */) { + var types = apparentType.types; + var hasSignatures = false; + for (var _i = 0, types_20 = types; _i < types_20.length; _i++) { + var constituent = types_20[_i]; + var signatures = getSignaturesOfType(constituent, kind); + if (signatures.length !== 0) { + hasSignatures = true; + if (errorInfo) { + // Bail early if we already have an error, no chance of "No constituent of type is callable" + break; + } + } + else { + // Error on the first non callable constituent only + if (!errorInfo) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ? + ts.Diagnostics.Type_0_has_no_call_signatures : + ts.Diagnostics.Type_0_has_no_construct_signatures, typeToString(constituent)); + errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ? + ts.Diagnostics.Not_all_constituents_of_type_0_are_callable : + ts.Diagnostics.Not_all_constituents_of_type_0_are_constructable, typeToString(apparentType)); + } + if (hasSignatures) { + // Bail early if we already found a siganture, no chance of "No constituent of type is callable" + break; + } + } + } + if (!hasSignatures) { + errorInfo = ts.chainDiagnosticMessages( + /* detials */ undefined, isCall ? + ts.Diagnostics.No_constituent_of_type_0_is_callable : + ts.Diagnostics.No_constituent_of_type_0_is_constructable, typeToString(apparentType)); + } + if (!errorInfo) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ? + ts.Diagnostics.Each_member_of_the_union_type_0_has_signatures_but_none_of_those_signatures_are_compatible_with_each_other : + ts.Diagnostics.Each_member_of_the_union_type_0_has_construct_signatures_but_none_of_those_signatures_are_compatible_with_each_other, typeToString(apparentType)); + } + } + else { + errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ? + ts.Diagnostics.Type_0_has_no_call_signatures : + ts.Diagnostics.Type_0_has_no_construct_signatures, typeToString(apparentType)); + } + var headMessage = isCall ? ts.Diagnostics.This_expression_is_not_callable : ts.Diagnostics.This_expression_is_not_constructable; + // Diagnose get accessors incorrectly called as functions + if (ts.isCallExpression(errorTarget.parent) && errorTarget.parent.arguments.length === 0) { + var resolvedSymbol = getNodeLinks(errorTarget).resolvedSymbol; + if (resolvedSymbol && resolvedSymbol.flags & 32768 /* SymbolFlags.GetAccessor */) { + headMessage = ts.Diagnostics.This_expression_is_not_callable_because_it_is_a_get_accessor_Did_you_mean_to_use_it_without; + } + } + return { + messageChain: ts.chainDiagnosticMessages(errorInfo, headMessage), + relatedMessage: maybeMissingAwait ? ts.Diagnostics.Did_you_forget_to_use_await : undefined, + }; + } + function invocationError(errorTarget, apparentType, kind, relatedInformation) { + var _a = invocationErrorDetails(errorTarget, apparentType, kind), messageChain = _a.messageChain, relatedInfo = _a.relatedMessage; + var diagnostic = ts.createDiagnosticForNodeFromMessageChain(errorTarget, messageChain); + if (relatedInfo) { + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(errorTarget, relatedInfo)); + } + if (ts.isCallExpression(errorTarget.parent)) { + var _b = getDiagnosticSpanForCallNode(errorTarget.parent, /* doNotIncludeArguments */ true), start = _b.start, length_8 = _b.length; + diagnostic.start = start; + diagnostic.length = length_8; + } + diagnostics.add(diagnostic); + invocationErrorRecovery(apparentType, kind, relatedInformation ? ts.addRelatedInfo(diagnostic, relatedInformation) : diagnostic); + } + function invocationErrorRecovery(apparentType, kind, diagnostic) { + if (!apparentType.symbol) { + return; + } + var importNode = getSymbolLinks(apparentType.symbol).originatingImport; + // Create a diagnostic on the originating import if possible onto which we can attach a quickfix + // An import call expression cannot be rewritten into another form to correct the error - the only solution is to use `.default` at the use-site + if (importNode && !ts.isImportCall(importNode)) { + var sigs = getSignaturesOfType(getTypeOfSymbol(getSymbolLinks(apparentType.symbol).target), kind); + if (!sigs || !sigs.length) + return; + ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(importNode, ts.Diagnostics.Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cause_a_failure_at_runtime_Consider_using_a_default_import_or_import_require_here_instead)); + } + } + function resolveTaggedTemplateExpression(node, candidatesOutArray, checkMode) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (isErrorType(apparentType)) { + // Another error has already been reported + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0 /* SignatureKind.Call */); + var numConstructSignatures = getSignaturesOfType(apparentType, 1 /* SignatureKind.Construct */).length; + if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, numConstructSignatures)) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + if (ts.isArrayLiteralExpression(node.parent)) { + var diagnostic = ts.createDiagnosticForNode(node.tag, ts.Diagnostics.It_is_likely_that_you_are_missing_a_comma_to_separate_these_two_template_expressions_They_form_a_tagged_template_expression_which_cannot_be_invoked); + diagnostics.add(diagnostic); + return resolveErrorCall(node); + } + invocationError(node.tag, apparentType, 0 /* SignatureKind.Call */); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, checkMode, 0 /* SignatureFlags.None */); + } + /** + * Gets the localized diagnostic head message to use for errors when resolving a decorator as a call expression. + */ + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 164 /* SyntaxKind.Parameter */: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 167 /* SyntaxKind.PropertyDeclaration */: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + default: + return ts.Debug.fail(); + } + } + /** + * Resolves a decorator as if it were a call expression. + */ + function resolveDecorator(node, candidatesOutArray, checkMode) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (isErrorType(apparentType)) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0 /* SignatureKind.Call */); + var numConstructSignatures = getSignaturesOfType(apparentType, 1 /* SignatureKind.Construct */).length; + if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, numConstructSignatures)) { + return resolveUntypedCall(node); + } + if (isPotentiallyUncalledDecorator(node, callSignatures)) { + var nodeStr = ts.getTextOfNode(node.expression, /*includeTrivia*/ false); + error(node, ts.Diagnostics._0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write_0, nodeStr); + return resolveErrorCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorDetails = invocationErrorDetails(node.expression, apparentType, 0 /* SignatureKind.Call */); + var messageChain = ts.chainDiagnosticMessages(errorDetails.messageChain, headMessage); + var diag = ts.createDiagnosticForNodeFromMessageChain(node.expression, messageChain); + if (errorDetails.relatedMessage) { + ts.addRelatedInfo(diag, ts.createDiagnosticForNode(node.expression, errorDetails.relatedMessage)); + } + diagnostics.add(diag); + invocationErrorRecovery(apparentType, 0 /* SignatureKind.Call */, diag); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, checkMode, 0 /* SignatureFlags.None */, headMessage); + } + function createSignatureForJSXIntrinsic(node, result) { + var namespace = getJsxNamespaceAt(node); + var exports = namespace && getExportsOfSymbol(namespace); + // We fake up a SFC signature for each intrinsic, however a more specific per-element signature drawn from the JSX declaration + // file would probably be preferable. + var typeSymbol = exports && getSymbol(exports, JsxNames.Element, 788968 /* SymbolFlags.Type */); + var returnNode = typeSymbol && nodeBuilder.symbolToEntityName(typeSymbol, 788968 /* SymbolFlags.Type */, node); + var declaration = ts.factory.createFunctionTypeNode(/*typeParameters*/ undefined, [ts.factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotdotdot*/ undefined, "props", /*questionMark*/ undefined, nodeBuilder.typeToTypeNode(result, node))], returnNode ? ts.factory.createTypeReferenceNode(returnNode, /*typeArguments*/ undefined) : ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */)); + var parameterSymbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */, "props"); + parameterSymbol.type = result; + return createSignature(declaration, + /*typeParameters*/ undefined, + /*thisParameter*/ undefined, [parameterSymbol], typeSymbol ? getDeclaredTypeOfSymbol(typeSymbol) : errorType, + /*returnTypePredicate*/ undefined, 1, 0 /* SignatureFlags.None */); + } + function resolveJsxOpeningLikeElement(node, candidatesOutArray, checkMode) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + var result = getIntrinsicAttributesTypeFromJsxOpeningLikeElement(node); + var fakeSignature = createSignatureForJSXIntrinsic(node, result); + checkTypeAssignableToAndOptionallyElaborate(checkExpressionWithContextualType(node.attributes, getEffectiveFirstArgumentForJsxSignature(fakeSignature, node), /*mapper*/ undefined, 0 /* CheckMode.Normal */), result, node.tagName, node.attributes); + if (ts.length(node.typeArguments)) { + ts.forEach(node.typeArguments, checkSourceElement); + diagnostics.add(ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), node.typeArguments, ts.Diagnostics.Expected_0_type_arguments_but_got_1, 0, ts.length(node.typeArguments))); + } + return fakeSignature; + } + var exprTypes = checkExpression(node.tagName); + var apparentType = getApparentType(exprTypes); + if (isErrorType(apparentType)) { + return resolveErrorCall(node); + } + var signatures = getUninstantiatedJsxSignaturesOfType(exprTypes, node); + if (isUntypedFunctionCall(exprTypes, apparentType, signatures.length, /*constructSignatures*/ 0)) { + return resolveUntypedCall(node); + } + if (signatures.length === 0) { + // We found no signatures at all, which is an error + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return resolveErrorCall(node); + } + return resolveCall(node, signatures, candidatesOutArray, checkMode, 0 /* SignatureFlags.None */); + } + /** + * Sometimes, we have a decorator that could accept zero arguments, + * but is receiving too many arguments as part of the decorator invocation. + * In those cases, a user may have meant to *call* the expression before using it as a decorator. + */ + function isPotentiallyUncalledDecorator(decorator, signatures) { + return signatures.length && ts.every(signatures, function (signature) { + return signature.minArgumentCount === 0 && + !signatureHasRestParameter(signature) && + signature.parameters.length < getDecoratorArgumentCount(decorator, signature); + }); + } + function resolveSignature(node, candidatesOutArray, checkMode) { + switch (node.kind) { + case 208 /* SyntaxKind.CallExpression */: + return resolveCallExpression(node, candidatesOutArray, checkMode); + case 209 /* SyntaxKind.NewExpression */: + return resolveNewExpression(node, candidatesOutArray, checkMode); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return resolveTaggedTemplateExpression(node, candidatesOutArray, checkMode); + case 165 /* SyntaxKind.Decorator */: + return resolveDecorator(node, candidatesOutArray, checkMode); + case 280 /* SyntaxKind.JsxOpeningElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return resolveJsxOpeningLikeElement(node, candidatesOutArray, checkMode); + } + throw ts.Debug.assertNever(node, "Branch in 'resolveSignature' should be unreachable."); + } + /** + * Resolve a signature of a given call-like expression. + * @param node a call-like expression to try resolve a signature for + * @param candidatesOutArray an array of signature to be filled in by the function. It is passed by signature help in the language service; + * the function will fill it up with appropriate candidate signatures + * @return a signature of the call-like expression or undefined if one can't be found + */ + function getResolvedSignature(node, candidatesOutArray, checkMode) { + var links = getNodeLinks(node); + // If getResolvedSignature has already been called, we will have cached the resolvedSignature. + // However, it is possible that either candidatesOutArray was not passed in the first time, + // or that a different candidatesOutArray was passed in. Therefore, we need to redo the work + // to correctly fill the candidatesOutArray. + var cached = links.resolvedSignature; + if (cached && cached !== resolvingSignature && !candidatesOutArray) { + return cached; + } + links.resolvedSignature = resolvingSignature; + var result = resolveSignature(node, candidatesOutArray, checkMode || 0 /* CheckMode.Normal */); + // When CheckMode.SkipGenericFunctions is set we use resolvingSignature to indicate that call + // resolution should be deferred. + if (result !== resolvingSignature) { + // If signature resolution originated in control flow type analysis (for example to compute the + // assigned type in a flow assignment) we don't cache the result as it may be based on temporary + // types from the control flow analysis. + links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached; + } + return result; + } + /** + * Indicates whether a declaration can be treated as a constructor in a JavaScript + * file. + */ + function isJSConstructor(node) { + var _a; + if (!node || !ts.isInJSFile(node)) { + return false; + } + var func = ts.isFunctionDeclaration(node) || ts.isFunctionExpression(node) ? node : + ts.isVariableDeclaration(node) && node.initializer && ts.isFunctionExpression(node.initializer) ? node.initializer : + undefined; + if (func) { + // If the node has a @class tag, treat it like a constructor. + if (ts.getJSDocClassTag(node)) + return true; + // If the symbol of the node has members, treat it like a constructor. + var symbol = getSymbolOfNode(func); + return !!((_a = symbol === null || symbol === void 0 ? void 0 : symbol.members) === null || _a === void 0 ? void 0 : _a.size); + } + return false; + } + function mergeJSSymbols(target, source) { + var _a, _b; + if (source) { + var links = getSymbolLinks(source); + if (!links.inferredClassSymbol || !links.inferredClassSymbol.has(getSymbolId(target))) { + var inferred = ts.isTransientSymbol(target) ? target : cloneSymbol(target); + inferred.exports = inferred.exports || ts.createSymbolTable(); + inferred.members = inferred.members || ts.createSymbolTable(); + inferred.flags |= source.flags & 32 /* SymbolFlags.Class */; + if ((_a = source.exports) === null || _a === void 0 ? void 0 : _a.size) { + mergeSymbolTable(inferred.exports, source.exports); + } + if ((_b = source.members) === null || _b === void 0 ? void 0 : _b.size) { + mergeSymbolTable(inferred.members, source.members); + } + (links.inferredClassSymbol || (links.inferredClassSymbol = new ts.Map())).set(getSymbolId(inferred), inferred); + return inferred; + } + return links.inferredClassSymbol.get(getSymbolId(target)); + } + } + function getAssignedClassSymbol(decl) { + var _a; + var assignmentSymbol = decl && getSymbolOfExpando(decl, /*allowDeclaration*/ true); + var prototype = (_a = assignmentSymbol === null || assignmentSymbol === void 0 ? void 0 : assignmentSymbol.exports) === null || _a === void 0 ? void 0 : _a.get("prototype"); + var init = (prototype === null || prototype === void 0 ? void 0 : prototype.valueDeclaration) && getAssignedJSPrototype(prototype.valueDeclaration); + return init ? getSymbolOfNode(init) : undefined; + } + function getSymbolOfExpando(node, allowDeclaration) { + if (!node.parent) { + return undefined; + } + var name; + var decl; + if (ts.isVariableDeclaration(node.parent) && node.parent.initializer === node) { + if (!ts.isInJSFile(node) && !(ts.isVarConst(node.parent) && ts.isFunctionLikeDeclaration(node))) { + return undefined; + } + name = node.parent.name; + decl = node.parent; + } + else if (ts.isBinaryExpression(node.parent)) { + var parentNode = node.parent; + var parentNodeOperator = node.parent.operatorToken.kind; + if (parentNodeOperator === 63 /* SyntaxKind.EqualsToken */ && (allowDeclaration || parentNode.right === node)) { + name = parentNode.left; + decl = name; + } + else if (parentNodeOperator === 56 /* SyntaxKind.BarBarToken */ || parentNodeOperator === 60 /* SyntaxKind.QuestionQuestionToken */) { + if (ts.isVariableDeclaration(parentNode.parent) && parentNode.parent.initializer === parentNode) { + name = parentNode.parent.name; + decl = parentNode.parent; + } + else if (ts.isBinaryExpression(parentNode.parent) && parentNode.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && (allowDeclaration || parentNode.parent.right === parentNode)) { + name = parentNode.parent.left; + decl = name; + } + if (!name || !ts.isBindableStaticNameExpression(name) || !ts.isSameEntityName(name, parentNode.left)) { + return undefined; + } + } + } + else if (allowDeclaration && ts.isFunctionDeclaration(node)) { + name = node.name; + decl = node; + } + if (!decl || !name || (!allowDeclaration && !ts.getExpandoInitializer(node, ts.isPrototypeAccess(name)))) { + return undefined; + } + return getSymbolOfNode(decl); + } + function getAssignedJSPrototype(node) { + if (!node.parent) { + return false; + } + var parent = node.parent; + while (parent && parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + parent = parent.parent; + } + if (parent && ts.isBinaryExpression(parent) && ts.isPrototypeAccess(parent.left) && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + var right = ts.getInitializerOfBinaryExpression(parent); + return ts.isObjectLiteralExpression(right) && right; + } + } + /** + * Syntactically and semantically checks a call or new expression. + * @param node The call/new expression to be checked. + * @returns On success, the expression's signature's return type. On failure, anyType. + */ + function checkCallExpression(node, checkMode) { + var _a; + checkGrammarTypeArguments(node, node.typeArguments); + var signature = getResolvedSignature(node, /*candidatesOutArray*/ undefined, checkMode); + if (signature === resolvingSignature) { + // CheckMode.SkipGenericFunctions is enabled and this is a call to a generic function that + // returns a function type. We defer checking and return nonInferrableType. + return nonInferrableType; + } + checkDeprecatedSignature(signature, node); + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + return voidType; + } + if (node.kind === 209 /* SyntaxKind.NewExpression */) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 171 /* SyntaxKind.Constructor */ && + declaration.kind !== 175 /* SyntaxKind.ConstructSignature */ && + declaration.kind !== 180 /* SyntaxKind.ConstructorType */ && + !ts.isJSDocConstructSignature(declaration) && + !isJSConstructor(declaration)) { + // When resolved signature is a call signature (and not a construct signature) the result type is any + if (noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + // In JavaScript files, calls to any identifier 'require' are treated as external module imports + if (ts.isInJSFile(node) && isCommonJsRequire(node)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + var returnType = getReturnTypeOfSignature(signature); + // Treat any call to the global 'Symbol' function that is part of a const variable or readonly property + // as a fresh unique symbol literal type. + if (returnType.flags & 12288 /* TypeFlags.ESSymbolLike */ && isSymbolOrSymbolForCall(node)) { + return getESSymbolLikeTypeForNode(ts.walkUpParenthesizedExpressions(node.parent)); + } + if (node.kind === 208 /* SyntaxKind.CallExpression */ && !node.questionDotToken && node.parent.kind === 238 /* SyntaxKind.ExpressionStatement */ && + returnType.flags & 16384 /* TypeFlags.Void */ && getTypePredicateOfSignature(signature)) { + if (!ts.isDottedName(node.expression)) { + error(node.expression, ts.Diagnostics.Assertions_require_the_call_target_to_be_an_identifier_or_qualified_name); + } + else if (!getEffectsSignature(node)) { + var diagnostic = error(node.expression, ts.Diagnostics.Assertions_require_every_name_in_the_call_target_to_be_declared_with_an_explicit_type_annotation); + getTypeOfDottedName(node.expression, diagnostic); + } + } + if (ts.isInJSFile(node)) { + var jsSymbol = getSymbolOfExpando(node, /*allowDeclaration*/ false); + if ((_a = jsSymbol === null || jsSymbol === void 0 ? void 0 : jsSymbol.exports) === null || _a === void 0 ? void 0 : _a.size) { + var jsAssignmentType = createAnonymousType(jsSymbol, jsSymbol.exports, ts.emptyArray, ts.emptyArray, ts.emptyArray); + jsAssignmentType.objectFlags |= 4096 /* ObjectFlags.JSLiteral */; + return getIntersectionType([returnType, jsAssignmentType]); + } + } + return returnType; + } + function checkDeprecatedSignature(signature, node) { + if (signature.declaration && signature.declaration.flags & 268435456 /* NodeFlags.Deprecated */) { + var suggestionNode = getDeprecatedSuggestionNode(node); + var name = ts.tryGetPropertyAccessOrIdentifierToString(ts.getInvokedExpression(node)); + addDeprecatedSuggestionWithSignature(suggestionNode, signature.declaration, name, signatureToString(signature)); + } + } + function getDeprecatedSuggestionNode(node) { + node = ts.skipParentheses(node); + switch (node.kind) { + case 208 /* SyntaxKind.CallExpression */: + case 165 /* SyntaxKind.Decorator */: + case 209 /* SyntaxKind.NewExpression */: + return getDeprecatedSuggestionNode(node.expression); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return getDeprecatedSuggestionNode(node.tag); + case 280 /* SyntaxKind.JsxOpeningElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return getDeprecatedSuggestionNode(node.tagName); + case 207 /* SyntaxKind.ElementAccessExpression */: + return node.argumentExpression; + case 206 /* SyntaxKind.PropertyAccessExpression */: + return node.name; + case 178 /* SyntaxKind.TypeReference */: + var typeReference = node; + return ts.isQualifiedName(typeReference.typeName) ? typeReference.typeName.right : typeReference; + default: + return node; + } + } + function isSymbolOrSymbolForCall(node) { + if (!ts.isCallExpression(node)) + return false; + var left = node.expression; + if (ts.isPropertyAccessExpression(left) && left.name.escapedText === "for") { + left = left.expression; + } + if (!ts.isIdentifier(left) || left.escapedText !== "Symbol") { + return false; + } + // make sure `Symbol` is the global symbol + var globalESSymbol = getGlobalESSymbolConstructorSymbol(/*reportErrors*/ false); + if (!globalESSymbol) { + return false; + } + return globalESSymbol === resolveName(left, "Symbol", 111551 /* SymbolFlags.Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false); + } + function checkImportCallExpression(node) { + // Check grammar of dynamic import + checkGrammarImportCallExpression(node); + if (node.arguments.length === 0) { + return createPromiseReturnType(node, anyType); + } + var specifier = node.arguments[0]; + var specifierType = checkExpressionCached(specifier); + var optionsType = node.arguments.length > 1 ? checkExpressionCached(node.arguments[1]) : undefined; + // Even though multiple arguments is grammatically incorrect, type-check extra arguments for completion + for (var i = 2; i < node.arguments.length; ++i) { + checkExpressionCached(node.arguments[i]); + } + if (specifierType.flags & 32768 /* TypeFlags.Undefined */ || specifierType.flags & 65536 /* TypeFlags.Null */ || !isTypeAssignableTo(specifierType, stringType)) { + error(specifier, ts.Diagnostics.Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0, typeToString(specifierType)); + } + if (optionsType) { + var importCallOptionsType = getGlobalImportCallOptionsType(/*reportErrors*/ true); + if (importCallOptionsType !== emptyObjectType) { + checkTypeAssignableTo(optionsType, getNullableType(importCallOptionsType, 32768 /* TypeFlags.Undefined */), node.arguments[1]); + } + } + // resolveExternalModuleName will return undefined if the moduleReferenceExpression is not a string literal + var moduleSymbol = resolveExternalModuleName(node, specifier); + if (moduleSymbol) { + var esModuleSymbol = resolveESModuleSymbol(moduleSymbol, specifier, /*dontRecursivelyResolve*/ true, /*suppressUsageError*/ false); + if (esModuleSymbol) { + return createPromiseReturnType(node, getTypeWithSyntheticDefaultOnly(getTypeOfSymbol(esModuleSymbol), esModuleSymbol, moduleSymbol, specifier) || + getTypeWithSyntheticDefaultImportType(getTypeOfSymbol(esModuleSymbol), esModuleSymbol, moduleSymbol, specifier)); + } + } + return createPromiseReturnType(node, anyType); + } + function createDefaultPropertyWrapperForModule(symbol, originalSymbol, anonymousSymbol) { + var memberTable = ts.createSymbolTable(); + var newSymbol = createSymbol(2097152 /* SymbolFlags.Alias */, "default" /* InternalSymbolName.Default */); + newSymbol.parent = originalSymbol; + newSymbol.nameType = getStringLiteralType("default"); + newSymbol.aliasTarget = resolveSymbol(symbol); + memberTable.set("default" /* InternalSymbolName.Default */, newSymbol); + return createAnonymousType(anonymousSymbol, memberTable, ts.emptyArray, ts.emptyArray, ts.emptyArray); + } + function getTypeWithSyntheticDefaultOnly(type, symbol, originalSymbol, moduleSpecifier) { + var hasDefaultOnly = isOnlyImportedAsDefault(moduleSpecifier); + if (hasDefaultOnly && type && !isErrorType(type)) { + var synthType = type; + if (!synthType.defaultOnlyType) { + var type_5 = createDefaultPropertyWrapperForModule(symbol, originalSymbol); + synthType.defaultOnlyType = type_5; + } + return synthType.defaultOnlyType; + } + return undefined; + } + function getTypeWithSyntheticDefaultImportType(type, symbol, originalSymbol, moduleSpecifier) { + var _a; + if (allowSyntheticDefaultImports && type && !isErrorType(type)) { + var synthType = type; + if (!synthType.syntheticType) { + var file = (_a = originalSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(ts.isSourceFile); + var hasSyntheticDefault = canHaveSyntheticDefault(file, originalSymbol, /*dontResolveAlias*/ false, moduleSpecifier); + if (hasSyntheticDefault) { + var anonymousSymbol = createSymbol(2048 /* SymbolFlags.TypeLiteral */, "__type" /* InternalSymbolName.Type */); + var defaultContainingObject = createDefaultPropertyWrapperForModule(symbol, originalSymbol, anonymousSymbol); + anonymousSymbol.type = defaultContainingObject; + synthType.syntheticType = isValidSpreadType(type) ? getSpreadType(type, defaultContainingObject, anonymousSymbol, /*objectFlags*/ 0, /*readonly*/ false) : defaultContainingObject; + } + else { + synthType.syntheticType = type; + } + } + return synthType.syntheticType; + } + return type; + } + function isCommonJsRequire(node) { + if (!ts.isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ true)) { + return false; + } + // Make sure require is not a local function + if (!ts.isIdentifier(node.expression)) + return ts.Debug.fail(); + var resolvedRequire = resolveName(node.expression, node.expression.escapedText, 111551 /* SymbolFlags.Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true); // TODO: GH#18217 + if (resolvedRequire === requireSymbol) { + return true; + } + // project includes symbol named 'require' - make sure that it is ambient and local non-alias + if (resolvedRequire.flags & 2097152 /* SymbolFlags.Alias */) { + return false; + } + var targetDeclarationKind = resolvedRequire.flags & 16 /* SymbolFlags.Function */ + ? 256 /* SyntaxKind.FunctionDeclaration */ + : resolvedRequire.flags & 3 /* SymbolFlags.Variable */ + ? 254 /* SyntaxKind.VariableDeclaration */ + : 0 /* SyntaxKind.Unknown */; + if (targetDeclarationKind !== 0 /* SyntaxKind.Unknown */) { + var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind); + // function/variable declaration should be ambient + return !!decl && !!(decl.flags & 16777216 /* NodeFlags.Ambient */); + } + return false; + } + function checkTaggedTemplateExpression(node) { + if (!checkGrammarTaggedTemplateChain(node)) + checkGrammarTypeArguments(node, node.typeArguments); + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + checkExternalEmitHelpers(node, 262144 /* ExternalEmitHelpers.MakeTemplateObject */); + } + var signature = getResolvedSignature(node); + checkDeprecatedSignature(signature, node); + return getReturnTypeOfSignature(signature); + } + function checkAssertion(node) { + if (node.kind === 211 /* SyntaxKind.TypeAssertionExpression */) { + var file = ts.getSourceFileOfNode(node); + if (file && ts.fileExtensionIsOneOf(file.fileName, [".cts" /* Extension.Cts */, ".mts" /* Extension.Mts */])) { + grammarErrorOnNode(node, ts.Diagnostics.This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Use_an_as_expression_instead); + } + } + return checkAssertionWorker(node, node.type, node.expression); + } + function isValidConstAssertionArgument(node) { + switch (node.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + case 9 /* SyntaxKind.BigIntLiteral */: + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 223 /* SyntaxKind.TemplateExpression */: + return true; + case 212 /* SyntaxKind.ParenthesizedExpression */: + return isValidConstAssertionArgument(node.expression); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + var op = node.operator; + var arg = node.operand; + return op === 40 /* SyntaxKind.MinusToken */ && (arg.kind === 8 /* SyntaxKind.NumericLiteral */ || arg.kind === 9 /* SyntaxKind.BigIntLiteral */) || + op === 39 /* SyntaxKind.PlusToken */ && arg.kind === 8 /* SyntaxKind.NumericLiteral */; + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + var expr = node.expression; + var symbol = getTypeOfNode(expr).symbol; + if (symbol && symbol.flags & 2097152 /* SymbolFlags.Alias */) { + symbol = resolveAlias(symbol); + } + return !!(symbol && (symbol.flags & 384 /* SymbolFlags.Enum */) && getEnumKind(symbol) === 1 /* EnumKind.Literal */); + } + return false; + } + function checkAssertionWorker(errNode, type, expression, checkMode) { + var exprType = checkExpression(expression, checkMode); + if (ts.isConstTypeReference(type)) { + if (!isValidConstAssertionArgument(expression)) { + error(expression, ts.Diagnostics.A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array_or_object_literals); + } + return getRegularTypeOfLiteralType(exprType); + } + checkSourceElement(type); + exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(exprType)); + var targetType = getTypeFromTypeNode(type); + if (!isErrorType(targetType)) { + addLazyDiagnostic(function () { + var widenedType = getWidenedType(exprType); + if (!isTypeComparableTo(targetType, widenedType)) { + checkTypeComparableTo(exprType, targetType, errNode, ts.Diagnostics.Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the_other_If_this_was_intentional_convert_the_expression_to_unknown_first); + } + }); + } + return targetType; + } + function checkNonNullChain(node) { + var leftType = checkExpression(node.expression); + var nonOptionalType = getOptionalExpressionType(leftType, node.expression); + return propagateOptionalTypeMarker(getNonNullableType(nonOptionalType), node, nonOptionalType !== leftType); + } + function checkNonNullAssertion(node) { + return node.flags & 32 /* NodeFlags.OptionalChain */ ? checkNonNullChain(node) : + getNonNullableType(checkExpression(node.expression)); + } + function checkExpressionWithTypeArguments(node) { + checkGrammarExpressionWithTypeArguments(node); + var exprType = node.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */ ? checkExpression(node.expression) : + ts.isThisIdentifier(node.exprName) ? checkThisExpression(node.exprName) : + checkExpression(node.exprName); + var typeArguments = node.typeArguments; + if (exprType === silentNeverType || isErrorType(exprType) || !ts.some(typeArguments)) { + return exprType; + } + var hasSomeApplicableSignature = false; + var nonApplicableType; + var result = getInstantiatedType(exprType); + var errorType = hasSomeApplicableSignature ? nonApplicableType : exprType; + if (errorType) { + diagnostics.add(ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.Type_0_has_no_signatures_for_which_the_type_argument_list_is_applicable, typeToString(errorType))); + } + return result; + function getInstantiatedType(type) { + var hasSignatures = false; + var hasApplicableSignature = false; + var result = getInstantiatedTypePart(type); + hasSomeApplicableSignature || (hasSomeApplicableSignature = hasApplicableSignature); + if (hasSignatures && !hasApplicableSignature) { + nonApplicableType !== null && nonApplicableType !== void 0 ? nonApplicableType : (nonApplicableType = type); + } + return result; + function getInstantiatedTypePart(type) { + if (type.flags & 524288 /* TypeFlags.Object */) { + var resolved = resolveStructuredTypeMembers(type); + var callSignatures = getInstantiatedSignatures(resolved.callSignatures); + var constructSignatures = getInstantiatedSignatures(resolved.constructSignatures); + hasSignatures || (hasSignatures = resolved.callSignatures.length !== 0 || resolved.constructSignatures.length !== 0); + hasApplicableSignature || (hasApplicableSignature = callSignatures.length !== 0 || constructSignatures.length !== 0); + if (callSignatures !== resolved.callSignatures || constructSignatures !== resolved.constructSignatures) { + var result_11 = createAnonymousType(undefined, resolved.members, callSignatures, constructSignatures, resolved.indexInfos); + result_11.objectFlags |= 8388608 /* ObjectFlags.InstantiationExpressionType */; + result_11.node = node; + return result_11; + } + } + else if (type.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */) { + var constraint = getBaseConstraintOfType(type); + if (constraint) { + var instantiated = getInstantiatedTypePart(constraint); + if (instantiated !== constraint) { + return instantiated; + } + } + } + else if (type.flags & 1048576 /* TypeFlags.Union */) { + return mapType(type, getInstantiatedType); + } + else if (type.flags & 2097152 /* TypeFlags.Intersection */) { + return getIntersectionType(ts.sameMap(type.types, getInstantiatedTypePart)); + } + return type; + } + } + function getInstantiatedSignatures(signatures) { + var applicableSignatures = ts.filter(signatures, function (sig) { return !!sig.typeParameters && hasCorrectTypeArgumentArity(sig, typeArguments); }); + return ts.sameMap(applicableSignatures, function (sig) { + var typeArgumentTypes = checkTypeArguments(sig, typeArguments, /*reportErrors*/ true); + return typeArgumentTypes ? getSignatureInstantiation(sig, typeArgumentTypes, ts.isInJSFile(sig.declaration)) : sig; + }); + } + } + function checkMetaProperty(node) { + checkGrammarMetaProperty(node); + if (node.keywordToken === 103 /* SyntaxKind.NewKeyword */) { + return checkNewTargetMetaProperty(node); + } + if (node.keywordToken === 100 /* SyntaxKind.ImportKeyword */) { + return checkImportMetaProperty(node); + } + return ts.Debug.assertNever(node.keywordToken); + } + function checkMetaPropertyKeyword(node) { + switch (node.keywordToken) { + case 100 /* SyntaxKind.ImportKeyword */: + return getGlobalImportMetaExpressionType(); + case 103 /* SyntaxKind.NewKeyword */: + var type = checkNewTargetMetaProperty(node); + return isErrorType(type) ? errorType : createNewTargetExpressionType(type); + default: + ts.Debug.assertNever(node.keywordToken); + } + } + function checkNewTargetMetaProperty(node) { + var container = ts.getNewTargetContainer(node); + if (!container) { + error(node, ts.Diagnostics.Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constructor, "new.target"); + return errorType; + } + else if (container.kind === 171 /* SyntaxKind.Constructor */) { + var symbol = getSymbolOfNode(container.parent); + return getTypeOfSymbol(symbol); + } + else { + var symbol = getSymbolOfNode(container); + return getTypeOfSymbol(symbol); + } + } + function checkImportMetaProperty(node) { + if (moduleKind === ts.ModuleKind.Node16 || moduleKind === ts.ModuleKind.NodeNext) { + if (ts.getSourceFileOfNode(node).impliedNodeFormat !== ts.ModuleKind.ESNext) { + error(node, ts.Diagnostics.The_import_meta_meta_property_is_not_allowed_in_files_which_will_build_into_CommonJS_output); + } + } + else if (moduleKind < ts.ModuleKind.ES2020 && moduleKind !== ts.ModuleKind.System) { + error(node, ts.Diagnostics.The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_es2020_es2022_esnext_system_node16_or_nodenext); + } + var file = ts.getSourceFileOfNode(node); + ts.Debug.assert(!!(file.flags & 4194304 /* NodeFlags.PossiblyContainsImportMeta */), "Containing file is missing import meta node flag."); + return node.name.escapedText === "meta" ? getGlobalImportMetaType() : errorType; + } + function getTypeOfParameter(symbol) { + var type = getTypeOfSymbol(symbol); + if (strictNullChecks) { + var declaration = symbol.valueDeclaration; + if (declaration && ts.hasInitializer(declaration)) { + return getOptionalType(type); + } + } + return type; + } + function getTupleElementLabel(d) { + ts.Debug.assert(ts.isIdentifier(d.name)); // Parameter declarations could be binding patterns, but we only allow identifier names + return d.name.escapedText; + } + function getParameterNameAtPosition(signature, pos, overrideRestType) { + var paramCount = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0); + if (pos < paramCount) { + return signature.parameters[pos].escapedName; + } + var restParameter = signature.parameters[paramCount] || unknownSymbol; + var restType = overrideRestType || getTypeOfSymbol(restParameter); + if (isTupleType(restType)) { + var associatedNames = restType.target.labeledElementDeclarations; + var index = pos - paramCount; + return associatedNames && getTupleElementLabel(associatedNames[index]) || restParameter.escapedName + "_" + index; + } + return restParameter.escapedName; + } + function getParameterIdentifierNameAtPosition(signature, pos) { + var _a; + if (((_a = signature.declaration) === null || _a === void 0 ? void 0 : _a.kind) === 317 /* SyntaxKind.JSDocFunctionType */) { + return undefined; + } + var paramCount = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0); + if (pos < paramCount) { + var param = signature.parameters[pos]; + return isParameterDeclarationWithIdentifierName(param) ? [param.escapedName, false] : undefined; + } + var restParameter = signature.parameters[paramCount] || unknownSymbol; + if (!isParameterDeclarationWithIdentifierName(restParameter)) { + return undefined; + } + var restType = getTypeOfSymbol(restParameter); + if (isTupleType(restType)) { + var associatedNames = restType.target.labeledElementDeclarations; + var index = pos - paramCount; + var associatedName = associatedNames === null || associatedNames === void 0 ? void 0 : associatedNames[index]; + var isRestTupleElement = !!(associatedName === null || associatedName === void 0 ? void 0 : associatedName.dotDotDotToken); + return associatedName ? [ + getTupleElementLabel(associatedName), + isRestTupleElement + ] : undefined; + } + if (pos === paramCount) { + return [restParameter.escapedName, true]; + } + return undefined; + } + function isParameterDeclarationWithIdentifierName(symbol) { + return symbol.valueDeclaration && ts.isParameter(symbol.valueDeclaration) && ts.isIdentifier(symbol.valueDeclaration.name); + } + function isValidDeclarationForTupleLabel(d) { + return d.kind === 197 /* SyntaxKind.NamedTupleMember */ || (ts.isParameter(d) && d.name && ts.isIdentifier(d.name)); + } + function getNameableDeclarationAtPosition(signature, pos) { + var paramCount = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0); + if (pos < paramCount) { + var decl = signature.parameters[pos].valueDeclaration; + return decl && isValidDeclarationForTupleLabel(decl) ? decl : undefined; + } + var restParameter = signature.parameters[paramCount] || unknownSymbol; + var restType = getTypeOfSymbol(restParameter); + if (isTupleType(restType)) { + var associatedNames = restType.target.labeledElementDeclarations; + var index = pos - paramCount; + return associatedNames && associatedNames[index]; + } + return restParameter.valueDeclaration && isValidDeclarationForTupleLabel(restParameter.valueDeclaration) ? restParameter.valueDeclaration : undefined; + } + function getTypeAtPosition(signature, pos) { + return tryGetTypeAtPosition(signature, pos) || anyType; + } + function tryGetTypeAtPosition(signature, pos) { + var paramCount = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0); + if (pos < paramCount) { + return getTypeOfParameter(signature.parameters[pos]); + } + if (signatureHasRestParameter(signature)) { + // We want to return the value undefined for an out of bounds parameter position, + // so we need to check bounds here before calling getIndexedAccessType (which + // otherwise would return the type 'undefined'). + var restType = getTypeOfSymbol(signature.parameters[paramCount]); + var index = pos - paramCount; + if (!isTupleType(restType) || restType.target.hasRestElement || index < restType.target.fixedLength) { + return getIndexedAccessType(restType, getNumberLiteralType(index)); + } + } + return undefined; + } + function getRestTypeAtPosition(source, pos) { + var parameterCount = getParameterCount(source); + var minArgumentCount = getMinArgumentCount(source); + var restType = getEffectiveRestType(source); + if (restType && pos >= parameterCount - 1) { + return pos === parameterCount - 1 ? restType : createArrayType(getIndexedAccessType(restType, numberType)); + } + var types = []; + var flags = []; + var names = []; + for (var i = pos; i < parameterCount; i++) { + if (!restType || i < parameterCount - 1) { + types.push(getTypeAtPosition(source, i)); + flags.push(i < minArgumentCount ? 1 /* ElementFlags.Required */ : 2 /* ElementFlags.Optional */); + } + else { + types.push(restType); + flags.push(8 /* ElementFlags.Variadic */); + } + var name = getNameableDeclarationAtPosition(source, i); + if (name) { + names.push(name); + } + } + return createTupleType(types, flags, /*readonly*/ false, ts.length(names) === ts.length(types) ? names : undefined); + } + // Return the number of parameters in a signature. The rest parameter, if present, counts as one + // parameter. For example, the parameter count of (x: number, y: number, ...z: string[]) is 3 and + // the parameter count of (x: number, ...args: [number, ...string[], boolean])) is also 3. In the + // latter example, the effective rest type is [...string[], boolean]. + function getParameterCount(signature) { + var length = signature.parameters.length; + if (signatureHasRestParameter(signature)) { + var restType = getTypeOfSymbol(signature.parameters[length - 1]); + if (isTupleType(restType)) { + return length + restType.target.fixedLength - (restType.target.hasRestElement ? 0 : 1); + } + } + return length; + } + function getMinArgumentCount(signature, flags) { + var strongArityForUntypedJS = flags & 1 /* MinArgumentCountFlags.StrongArityForUntypedJS */; + var voidIsNonOptional = flags & 2 /* MinArgumentCountFlags.VoidIsNonOptional */; + if (voidIsNonOptional || signature.resolvedMinArgumentCount === undefined) { + var minArgumentCount = void 0; + if (signatureHasRestParameter(signature)) { + var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]); + if (isTupleType(restType)) { + var firstOptionalIndex = ts.findIndex(restType.target.elementFlags, function (f) { return !(f & 1 /* ElementFlags.Required */); }); + var requiredCount = firstOptionalIndex < 0 ? restType.target.fixedLength : firstOptionalIndex; + if (requiredCount > 0) { + minArgumentCount = signature.parameters.length - 1 + requiredCount; + } + } + } + if (minArgumentCount === undefined) { + if (!strongArityForUntypedJS && signature.flags & 32 /* SignatureFlags.IsUntypedSignatureInJSFile */) { + return 0; + } + minArgumentCount = signature.minArgumentCount; + } + if (voidIsNonOptional) { + return minArgumentCount; + } + for (var i = minArgumentCount - 1; i >= 0; i--) { + var type = getTypeAtPosition(signature, i); + if (filterType(type, acceptsVoid).flags & 131072 /* TypeFlags.Never */) { + break; + } + minArgumentCount = i; + } + signature.resolvedMinArgumentCount = minArgumentCount; + } + return signature.resolvedMinArgumentCount; + } + function hasEffectiveRestParameter(signature) { + if (signatureHasRestParameter(signature)) { + var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]); + return !isTupleType(restType) || restType.target.hasRestElement; + } + return false; + } + function getEffectiveRestType(signature) { + if (signatureHasRestParameter(signature)) { + var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]); + if (!isTupleType(restType)) { + return restType; + } + if (restType.target.hasRestElement) { + return sliceTupleType(restType, restType.target.fixedLength); + } + } + return undefined; + } + function getNonArrayRestType(signature) { + var restType = getEffectiveRestType(signature); + return restType && !isArrayType(restType) && !isTypeAny(restType) && (getReducedType(restType).flags & 131072 /* TypeFlags.Never */) === 0 ? restType : undefined; + } + function getTypeOfFirstParameterOfSignature(signature) { + return getTypeOfFirstParameterOfSignatureWithFallback(signature, neverType); + } + function getTypeOfFirstParameterOfSignatureWithFallback(signature, fallbackType) { + return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : fallbackType; + } + function inferFromAnnotatedParameters(signature, context, inferenceContext) { + var len = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0); + for (var i = 0; i < len; i++) { + var declaration = signature.parameters[i].valueDeclaration; + if (declaration.type) { + var typeNode = ts.getEffectiveTypeAnnotationNode(declaration); + if (typeNode) { + inferTypes(inferenceContext.inferences, getTypeFromTypeNode(typeNode), getTypeAtPosition(context, i)); + } + } + } + var restType = getEffectiveRestType(context); + if (restType && restType.flags & 262144 /* TypeFlags.TypeParameter */) { + // The contextual signature has a generic rest parameter. We first instantiate the contextual + // signature (without fixing type parameters) and assign types to contextually typed parameters. + var instantiatedContext = instantiateSignature(context, inferenceContext.nonFixingMapper); + assignContextualParameterTypes(signature, instantiatedContext); + // We then infer from a tuple type representing the parameters that correspond to the contextual + // rest parameter. + var restPos = getParameterCount(context) - 1; + inferTypes(inferenceContext.inferences, getRestTypeAtPosition(signature, restPos), restType); + } + } + function assignContextualParameterTypes(signature, context) { + if (context.typeParameters) { + if (!signature.typeParameters) { + signature.typeParameters = context.typeParameters; + } + else { + return; // This signature has already has a contextual inference performed and cached on it! + } + } + if (context.thisParameter) { + var parameter = signature.thisParameter; + if (!parameter || parameter.valueDeclaration && !parameter.valueDeclaration.type) { + if (!parameter) { + signature.thisParameter = createSymbolWithType(context.thisParameter, /*type*/ undefined); + } + assignParameterType(signature.thisParameter, getTypeOfSymbol(context.thisParameter)); + } + } + var len = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0); + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + if (!ts.getEffectiveTypeAnnotationNode(parameter.valueDeclaration)) { + var contextualParameterType = tryGetTypeAtPosition(context, i); + assignParameterType(parameter, contextualParameterType); + } + } + if (signatureHasRestParameter(signature)) { + // parameter might be a transient symbol generated by use of `arguments` in the function body. + var parameter = ts.last(signature.parameters); + if (parameter.valueDeclaration + ? !ts.getEffectiveTypeAnnotationNode(parameter.valueDeclaration) + // a declarationless parameter may still have a `.type` already set by its construction logic + // (which may pull a type from a jsdoc) - only allow fixing on `DeferredType` parameters with a fallback type + : !!(ts.getCheckFlags(parameter) & 65536 /* CheckFlags.DeferredType */)) { + var contextualParameterType = getRestTypeAtPosition(context, len); + assignParameterType(parameter, contextualParameterType); + } + } + } + function assignNonContextualParameterTypes(signature) { + if (signature.thisParameter) { + assignParameterType(signature.thisParameter); + } + for (var _i = 0, _a = signature.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + assignParameterType(parameter); + } + } + function assignParameterType(parameter, type) { + var links = getSymbolLinks(parameter); + if (!links.type) { + var declaration = parameter.valueDeclaration; + links.type = type || (declaration ? getWidenedTypeForVariableLikeDeclaration(declaration, /*reportErrors*/ true) : getTypeOfSymbol(parameter)); + if (declaration && declaration.name.kind !== 79 /* SyntaxKind.Identifier */) { + // if inference didn't come up with anything but unknown, fall back to the binding pattern if present. + if (links.type === unknownType) { + links.type = getTypeFromBindingPattern(declaration.name); + } + assignBindingElementTypes(declaration.name, links.type); + } + } + else if (type) { + ts.Debug.assertEqual(links.type, type, "Parameter symbol already has a cached type which differs from newly assigned type"); + } + } + // When contextual typing assigns a type to a parameter that contains a binding pattern, we also need to push + // the destructured type into the contained binding elements. + function assignBindingElementTypes(pattern, parentType) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + var type = getBindingElementTypeFromParentType(element, parentType); + if (element.name.kind === 79 /* SyntaxKind.Identifier */) { + getSymbolLinks(getSymbolOfNode(element)).type = type; + } + else { + assignBindingElementTypes(element.name, type); + } + } + } + } + function createPromiseType(promisedType) { + // creates a `Promise` type where `T` is the promisedType argument + var globalPromiseType = getGlobalPromiseType(/*reportErrors*/ true); + if (globalPromiseType !== emptyGenericType) { + // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type + // Unwrap an `Awaited` to `T` to improve inference. + promisedType = getAwaitedTypeNoAlias(unwrapAwaitedType(promisedType)) || unknownType; + return createTypeReference(globalPromiseType, [promisedType]); + } + return unknownType; + } + function createPromiseLikeType(promisedType) { + // creates a `PromiseLike` type where `T` is the promisedType argument + var globalPromiseLikeType = getGlobalPromiseLikeType(/*reportErrors*/ true); + if (globalPromiseLikeType !== emptyGenericType) { + // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type + // Unwrap an `Awaited` to `T` to improve inference. + promisedType = getAwaitedTypeNoAlias(unwrapAwaitedType(promisedType)) || unknownType; + return createTypeReference(globalPromiseLikeType, [promisedType]); + } + return unknownType; + } + function createPromiseReturnType(func, promisedType) { + var promiseType = createPromiseType(promisedType); + if (promiseType === unknownType) { + error(func, ts.isImportCall(func) ? + ts.Diagnostics.A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option : + ts.Diagnostics.An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option); + return errorType; + } + else if (!getGlobalPromiseConstructorSymbol(/*reportErrors*/ true)) { + error(func, ts.isImportCall(func) ? + ts.Diagnostics.A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option : + ts.Diagnostics.An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option); + } + return promiseType; + } + function createNewTargetExpressionType(targetType) { + // Create a synthetic type `NewTargetExpression { target: TargetType; }` + var symbol = createSymbol(0 /* SymbolFlags.None */, "NewTargetExpression"); + var targetPropertySymbol = createSymbol(4 /* SymbolFlags.Property */, "target", 8 /* CheckFlags.Readonly */); + targetPropertySymbol.parent = symbol; + targetPropertySymbol.type = targetType; + var members = ts.createSymbolTable([targetPropertySymbol]); + symbol.members = members; + return createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, ts.emptyArray); + } + function getReturnTypeFromBody(func, checkMode) { + if (!func.body) { + return errorType; + } + var functionFlags = ts.getFunctionFlags(func); + var isAsync = (functionFlags & 2 /* FunctionFlags.Async */) !== 0; + var isGenerator = (functionFlags & 1 /* FunctionFlags.Generator */) !== 0; + var returnType; + var yieldType; + var nextType; + var fallbackReturnType = voidType; + if (func.body.kind !== 235 /* SyntaxKind.Block */) { // Async or normal arrow function + returnType = checkExpressionCached(func.body, checkMode && checkMode & ~8 /* CheckMode.SkipGenericFunctions */); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body should be unwrapped to its awaited type, which we will wrap in + // the native Promise type later in this function. + returnType = unwrapAwaitedType(checkAwaitedType(returnType, /*withAlias*/ false, /*errorNode*/ func, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member)); + } + } + else if (isGenerator) { // Generator or AsyncGenerator function + var returnTypes = checkAndAggregateReturnExpressionTypes(func, checkMode); + if (!returnTypes) { + fallbackReturnType = neverType; + } + else if (returnTypes.length > 0) { + returnType = getUnionType(returnTypes, 2 /* UnionReduction.Subtype */); + } + var _a = checkAndAggregateYieldOperandTypes(func, checkMode), yieldTypes = _a.yieldTypes, nextTypes = _a.nextTypes; + yieldType = ts.some(yieldTypes) ? getUnionType(yieldTypes, 2 /* UnionReduction.Subtype */) : undefined; + nextType = ts.some(nextTypes) ? getIntersectionType(nextTypes) : undefined; + } + else { // Async or normal function + var types = checkAndAggregateReturnExpressionTypes(func, checkMode); + if (!types) { + // For an async function, the return type will not be never, but rather a Promise for never. + return functionFlags & 2 /* FunctionFlags.Async */ + ? createPromiseReturnType(func, neverType) // Async function + : neverType; // Normal function + } + if (types.length === 0) { + // For an async function, the return type will not be void, but rather a Promise for void. + return functionFlags & 2 /* FunctionFlags.Async */ + ? createPromiseReturnType(func, voidType) // Async function + : voidType; // Normal function + } + // Return a union of the return expression types. + returnType = getUnionType(types, 2 /* UnionReduction.Subtype */); + } + if (returnType || yieldType || nextType) { + if (yieldType) + reportErrorsFromWidening(func, yieldType, 3 /* WideningKind.GeneratorYield */); + if (returnType) + reportErrorsFromWidening(func, returnType, 1 /* WideningKind.FunctionReturn */); + if (nextType) + reportErrorsFromWidening(func, nextType, 2 /* WideningKind.GeneratorNext */); + if (returnType && isUnitType(returnType) || + yieldType && isUnitType(yieldType) || + nextType && isUnitType(nextType)) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + var contextualType = !contextualSignature ? undefined : + contextualSignature === getSignatureFromDeclaration(func) ? isGenerator ? undefined : returnType : + instantiateContextualType(getReturnTypeOfSignature(contextualSignature), func); + if (isGenerator) { + yieldType = getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(yieldType, contextualType, 0 /* IterationTypeKind.Yield */, isAsync); + returnType = getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(returnType, contextualType, 1 /* IterationTypeKind.Return */, isAsync); + nextType = getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(nextType, contextualType, 2 /* IterationTypeKind.Next */, isAsync); + } + else { + returnType = getWidenedLiteralLikeTypeForContextualReturnTypeIfNeeded(returnType, contextualType, isAsync); + } + } + if (yieldType) + yieldType = getWidenedType(yieldType); + if (returnType) + returnType = getWidenedType(returnType); + if (nextType) + nextType = getWidenedType(nextType); + } + if (isGenerator) { + return createGeneratorReturnType(yieldType || neverType, returnType || fallbackReturnType, nextType || getContextualIterationType(2 /* IterationTypeKind.Next */, func) || unknownType, isAsync); + } + else { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body is awaited type of the body, wrapped in a native Promise type. + return isAsync + ? createPromiseType(returnType || fallbackReturnType) + : returnType || fallbackReturnType; + } + } + function createGeneratorReturnType(yieldType, returnType, nextType, isAsyncGenerator) { + var resolver = isAsyncGenerator ? asyncIterationTypesResolver : syncIterationTypesResolver; + var globalGeneratorType = resolver.getGlobalGeneratorType(/*reportErrors*/ false); + yieldType = resolver.resolveIterationType(yieldType, /*errorNode*/ undefined) || unknownType; + returnType = resolver.resolveIterationType(returnType, /*errorNode*/ undefined) || unknownType; + nextType = resolver.resolveIterationType(nextType, /*errorNode*/ undefined) || unknownType; + if (globalGeneratorType === emptyGenericType) { + // Fall back to the global IterableIterator if returnType is assignable to the expected return iteration + // type of IterableIterator, and the expected next iteration type of IterableIterator is assignable to + // nextType. + var globalType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false); + var iterationTypes = globalType !== emptyGenericType ? getIterationTypesOfGlobalIterableType(globalType, resolver) : undefined; + var iterableIteratorReturnType = iterationTypes ? iterationTypes.returnType : anyType; + var iterableIteratorNextType = iterationTypes ? iterationTypes.nextType : undefinedType; + if (isTypeAssignableTo(returnType, iterableIteratorReturnType) && + isTypeAssignableTo(iterableIteratorNextType, nextType)) { + if (globalType !== emptyGenericType) { + return createTypeFromGenericGlobalType(globalType, [yieldType]); + } + // The global IterableIterator type doesn't exist, so report an error + resolver.getGlobalIterableIteratorType(/*reportErrors*/ true); + return emptyObjectType; + } + // The global Generator type doesn't exist, so report an error + resolver.getGlobalGeneratorType(/*reportErrors*/ true); + return emptyObjectType; + } + return createTypeFromGenericGlobalType(globalGeneratorType, [yieldType, returnType, nextType]); + } + function checkAndAggregateYieldOperandTypes(func, checkMode) { + var yieldTypes = []; + var nextTypes = []; + var isAsync = (ts.getFunctionFlags(func) & 2 /* FunctionFlags.Async */) !== 0; + ts.forEachYieldExpression(func.body, function (yieldExpression) { + var yieldExpressionType = yieldExpression.expression ? checkExpression(yieldExpression.expression, checkMode) : undefinedWideningType; + ts.pushIfUnique(yieldTypes, getYieldedTypeOfYieldExpression(yieldExpression, yieldExpressionType, anyType, isAsync)); + var nextType; + if (yieldExpression.asteriskToken) { + var iterationTypes = getIterationTypesOfIterable(yieldExpressionType, isAsync ? 19 /* IterationUse.AsyncYieldStar */ : 17 /* IterationUse.YieldStar */, yieldExpression.expression); + nextType = iterationTypes && iterationTypes.nextType; + } + else { + nextType = getContextualType(yieldExpression); + } + if (nextType) + ts.pushIfUnique(nextTypes, nextType); + }); + return { yieldTypes: yieldTypes, nextTypes: nextTypes }; + } + function getYieldedTypeOfYieldExpression(node, expressionType, sentType, isAsync) { + var errorNode = node.expression || node; + // A `yield*` expression effectively yields everything that its operand yields + var yieldedType = node.asteriskToken ? checkIteratedTypeOrElementType(isAsync ? 19 /* IterationUse.AsyncYieldStar */ : 17 /* IterationUse.YieldStar */, expressionType, sentType, errorNode) : expressionType; + return !isAsync ? yieldedType : getAwaitedType(yieldedType, errorNode, node.asteriskToken + ? ts.Diagnostics.Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member + : ts.Diagnostics.Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member); + } + /** + * Collect the TypeFacts learned from a typeof switch with + * total clauses `witnesses`, and the active clause ranging + * from `start` to `end`. Parameter `hasDefault` denotes + * whether the active clause contains a default clause. + */ + function getFactsFromTypeofSwitch(start, end, witnesses, hasDefault) { + var facts = 0 /* TypeFacts.None */; + // When in the default we only collect inequality facts + // because default is 'in theory' a set of infinite + // equalities. + if (hasDefault) { + // Value is not equal to any types after the active clause. + for (var i = end; i < witnesses.length; i++) { + facts |= typeofNEFacts.get(witnesses[i]) || 32768 /* TypeFacts.TypeofNEHostObject */; + } + // Remove inequalities for types that appear in the + // active clause because they appear before other + // types collected so far. + for (var i = start; i < end; i++) { + facts &= ~(typeofNEFacts.get(witnesses[i]) || 0); + } + // Add inequalities for types before the active clause unconditionally. + for (var i = 0; i < start; i++) { + facts |= typeofNEFacts.get(witnesses[i]) || 32768 /* TypeFacts.TypeofNEHostObject */; + } + } + // When in an active clause without default the set of + // equalities is finite. + else { + // Add equalities for all types in the active clause. + for (var i = start; i < end; i++) { + facts |= typeofEQFacts.get(witnesses[i]) || 128 /* TypeFacts.TypeofEQHostObject */; + } + // Remove equalities for types that appear before the + // active clause. + for (var i = 0; i < start; i++) { + facts &= ~(typeofEQFacts.get(witnesses[i]) || 0); + } + } + return facts; + } + function isExhaustiveSwitchStatement(node) { + var links = getNodeLinks(node); + return links.isExhaustive !== undefined ? links.isExhaustive : (links.isExhaustive = computeExhaustiveSwitchStatement(node)); + } + function computeExhaustiveSwitchStatement(node) { + if (node.expression.kind === 216 /* SyntaxKind.TypeOfExpression */) { + var operandType = getTypeOfExpression(node.expression.expression); + var witnesses = getSwitchClauseTypeOfWitnesses(node, /*retainDefault*/ false); + // notEqualFacts states that the type of the switched value is not equal to every type in the switch. + var notEqualFacts_1 = getFactsFromTypeofSwitch(0, 0, witnesses, /*hasDefault*/ true); + var type_6 = getBaseConstraintOfType(operandType) || operandType; + // Take any/unknown as a special condition. Or maybe we could change `type` to a union containing all primitive types. + if (type_6.flags & 3 /* TypeFlags.AnyOrUnknown */) { + return (556800 /* TypeFacts.AllTypeofNE */ & notEqualFacts_1) === 556800 /* TypeFacts.AllTypeofNE */; + } + return !!(filterType(type_6, function (t) { return (getTypeFacts(t) & notEqualFacts_1) === notEqualFacts_1; }).flags & 131072 /* TypeFlags.Never */); + } + var type = getTypeOfExpression(node.expression); + if (!isLiteralType(type)) { + return false; + } + var switchTypes = getSwitchClauseTypes(node); + if (!switchTypes.length || ts.some(switchTypes, isNeitherUnitTypeNorNever)) { + return false; + } + return eachTypeContainedIn(mapType(type, getRegularTypeOfLiteralType), switchTypes); + } + function functionHasImplicitReturn(func) { + return func.endFlowNode && isReachableFlowNode(func.endFlowNode); + } + /** NOTE: Return value of `[]` means a different thing than `undefined`. `[]` means func returns `void`, `undefined` means it returns `never`. */ + function checkAndAggregateReturnExpressionTypes(func, checkMode) { + var functionFlags = ts.getFunctionFlags(func); + var aggregatedTypes = []; + var hasReturnWithNoExpression = functionHasImplicitReturn(func); + var hasReturnOfTypeNever = false; + ts.forEachReturnStatement(func.body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, checkMode && checkMode & ~8 /* CheckMode.SkipGenericFunctions */); + if (functionFlags & 2 /* FunctionFlags.Async */) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body should be unwrapped to its awaited type, which should be wrapped in + // the native Promise type by the caller. + type = unwrapAwaitedType(checkAwaitedType(type, /*withAlias*/ false, func, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member)); + } + if (type.flags & 131072 /* TypeFlags.Never */) { + hasReturnOfTypeNever = true; + } + ts.pushIfUnique(aggregatedTypes, type); + } + else { + hasReturnWithNoExpression = true; + } + }); + if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever || mayReturnNever(func))) { + return undefined; + } + if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression && + !(isJSConstructor(func) && aggregatedTypes.some(function (t) { return t.symbol === func.symbol; }))) { + // Javascript "callable constructors", containing eg `if (!(this instanceof A)) return new A()` should not add undefined + ts.pushIfUnique(aggregatedTypes, undefinedType); + } + return aggregatedTypes; + } + function mayReturnNever(func) { + switch (func.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return true; + case 169 /* SyntaxKind.MethodDeclaration */: + return func.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */; + default: + return false; + } + } + /** + * TypeScript Specification 1.0 (6.3) - July 2014 + * An explicitly typed function whose return type isn't the Void type, + * the Any type, or a union type containing the Void or Any type as a constituent + * must have at least one return statement somewhere in its body. + * An exception to this rule is if the function implementation consists of a single 'throw' statement. + * + * @param returnType - return type of the function, can be undefined if return type is not explicitly specified + */ + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + addLazyDiagnostic(checkAllCodePathsInNonVoidFunctionReturnOrThrowDiagnostics); + return; + function checkAllCodePathsInNonVoidFunctionReturnOrThrowDiagnostics() { + var functionFlags = ts.getFunctionFlags(func); + var type = returnType && unwrapReturnType(returnType, functionFlags); + // Functions with with an explicitly specified 'void' or 'any' return type don't need any return expressions. + if (type && maybeTypeOfKind(type, 1 /* TypeFlags.Any */ | 16384 /* TypeFlags.Void */)) { + return; + } + // If all we have is a function signature, or an arrow function with an expression body, then there is nothing to check. + // also if HasImplicitReturn flag is not set this means that all codepaths in function body end with return or throw + if (func.kind === 168 /* SyntaxKind.MethodSignature */ || ts.nodeIsMissing(func.body) || func.body.kind !== 235 /* SyntaxKind.Block */ || !functionHasImplicitReturn(func)) { + return; + } + var hasExplicitReturn = func.flags & 512 /* NodeFlags.HasExplicitReturn */; + var errorNode = ts.getEffectiveReturnTypeNode(func) || func; + if (type && type.flags & 131072 /* TypeFlags.Never */) { + error(errorNode, ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point); + } + else if (type && !hasExplicitReturn) { + // minimal check: function has syntactic return type annotation and no explicit return statements in the body + // this function does not conform to the specification. + error(errorNode, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); + } + else if (type && strictNullChecks && !isTypeAssignableTo(undefinedType, type)) { + error(errorNode, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined); + } + else if (compilerOptions.noImplicitReturns) { + if (!type) { + // If return type annotation is omitted check if function has any explicit return statements. + // If it does not have any - its inferred return type is void - don't do any checks. + // Otherwise get inferred return type from function body and report error only if it is not void / anytype + if (!hasExplicitReturn) { + return; + } + var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func)); + if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) { + return; + } + } + error(errorNode, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + } + function checkFunctionExpressionOrObjectLiteralMethod(node, checkMode) { + ts.Debug.assert(node.kind !== 169 /* SyntaxKind.MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + checkNodeDeferred(node); + if (ts.isFunctionExpression(node)) { + checkCollisionsForDeclarationName(node, node.name); + } + // The identityMapper object is used to indicate that function expressions are wildcards + if (checkMode && checkMode & 4 /* CheckMode.SkipContextSensitive */ && isContextSensitive(node)) { + // Skip parameters, return signature with return type that retains noncontextual parts so inferences can still be drawn in an early stage + if (!ts.getEffectiveReturnTypeNode(node) && !ts.hasContextSensitiveParameters(node)) { + // Return plain anyFunctionType if there is no possibility we'll make inferences from the return type + var contextualSignature = getContextualSignature(node); + if (contextualSignature && couldContainTypeVariables(getReturnTypeOfSignature(contextualSignature))) { + var links = getNodeLinks(node); + if (links.contextFreeType) { + return links.contextFreeType; + } + var returnType = getReturnTypeFromBody(node, checkMode); + var returnOnlySignature = createSignature(undefined, undefined, undefined, ts.emptyArray, returnType, /*resolvedTypePredicate*/ undefined, 0, 0 /* SignatureFlags.None */); + var returnOnlyType = createAnonymousType(node.symbol, emptySymbols, [returnOnlySignature], ts.emptyArray, ts.emptyArray); + returnOnlyType.objectFlags |= 262144 /* ObjectFlags.NonInferrableType */; + return links.contextFreeType = returnOnlyType; + } + } + return anyFunctionType; + } + // Grammar checking + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 213 /* SyntaxKind.FunctionExpression */) { + checkGrammarForGenerator(node); + } + contextuallyCheckFunctionExpressionOrObjectLiteralMethod(node, checkMode); + return getTypeOfSymbol(getSymbolOfNode(node)); + } + function contextuallyCheckFunctionExpressionOrObjectLiteralMethod(node, checkMode) { + var links = getNodeLinks(node); + // Check if function expression is contextually typed and assign parameter types if so. + if (!(links.flags & 1024 /* NodeCheckFlags.ContextChecked */)) { + var contextualSignature = getContextualSignature(node); + // If a type check is started at a function expression that is an argument of a function call, obtaining the + // contextual type may recursively get back to here during overload resolution of the call. If so, we will have + // already assigned contextual types. + if (!(links.flags & 1024 /* NodeCheckFlags.ContextChecked */)) { + links.flags |= 1024 /* NodeCheckFlags.ContextChecked */; + var signature = ts.firstOrUndefined(getSignaturesOfType(getTypeOfSymbol(getSymbolOfNode(node)), 0 /* SignatureKind.Call */)); + if (!signature) { + return; + } + if (isContextSensitive(node)) { + if (contextualSignature) { + var inferenceContext = getInferenceContext(node); + if (checkMode && checkMode & 2 /* CheckMode.Inferential */) { + inferFromAnnotatedParameters(signature, contextualSignature, inferenceContext); + } + var instantiatedContextualSignature = inferenceContext ? + instantiateSignature(contextualSignature, inferenceContext.mapper) : contextualSignature; + assignContextualParameterTypes(signature, instantiatedContextualSignature); + } + else { + // Force resolution of all parameter types such that the absence of a contextual type is consistently reflected. + assignNonContextualParameterTypes(signature); + } + } + if (contextualSignature && !getReturnTypeFromAnnotation(node) && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, checkMode); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; + } + } + checkSignatureDeclaration(node); + } + } + } + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 169 /* SyntaxKind.MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + var functionFlags = ts.getFunctionFlags(node); + var returnType = getReturnTypeFromAnnotation(node); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType); + if (node.body) { + if (!ts.getEffectiveReturnTypeNode(node)) { + // There are some checks that are only performed in getReturnTypeFromBody, that may produce errors + // we need. An example is the noImplicitAny errors resulting from widening the return expression + // of a function. Because checking of function expression bodies is deferred, there was never an + // appropriate time to do this during the main walk of the file (see the comment at the top of + // checkFunctionExpressionBodies). So it must be done now. + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 235 /* SyntaxKind.Block */) { + checkSourceElement(node.body); + } + else { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so we + // should not be checking assignability of a promise to the return type. Instead, we need to + // check assignability of the awaited type of the expression body against the promised type of + // its return type annotation. + var exprType = checkExpression(node.body); + var returnOrPromisedType = returnType && unwrapReturnType(returnType, functionFlags); + if (returnOrPromisedType) { + if ((functionFlags & 3 /* FunctionFlags.AsyncGenerator */) === 2 /* FunctionFlags.Async */) { // Async function + var awaitedType = checkAwaitedType(exprType, /*withAlias*/ false, node.body, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member); + checkTypeAssignableToAndOptionallyElaborate(awaitedType, returnOrPromisedType, node.body, node.body); + } + else { // Normal function + checkTypeAssignableToAndOptionallyElaborate(exprType, returnOrPromisedType, node.body, node.body); + } + } + } + } + } + function checkArithmeticOperandType(operand, type, diagnostic, isAwaitValid) { + if (isAwaitValid === void 0) { isAwaitValid = false; } + if (!isTypeAssignableTo(type, numberOrBigIntType)) { + var awaitedType = isAwaitValid && getAwaitedTypeOfPromise(type); + errorAndMaybeSuggestAwait(operand, !!awaitedType && isTypeAssignableTo(awaitedType, numberOrBigIntType), diagnostic); + return false; + } + return true; + } + function isReadonlyAssignmentDeclaration(d) { + if (!ts.isCallExpression(d)) { + return false; + } + if (!ts.isBindableObjectDefinePropertyCall(d)) { + return false; + } + var objectLitType = checkExpressionCached(d.arguments[2]); + var valueType = getTypeOfPropertyOfType(objectLitType, "value"); + if (valueType) { + var writableProp = getPropertyOfType(objectLitType, "writable"); + var writableType = writableProp && getTypeOfSymbol(writableProp); + if (!writableType || writableType === falseType || writableType === regularFalseType) { + return true; + } + // We include this definition whereupon we walk back and check the type at the declaration because + // The usual definition of `Object.defineProperty` will _not_ cause literal types to be preserved in the + // argument types, should the type be contextualized by the call itself. + if (writableProp && writableProp.valueDeclaration && ts.isPropertyAssignment(writableProp.valueDeclaration)) { + var initializer = writableProp.valueDeclaration.initializer; + var rawOriginalType = checkExpression(initializer); + if (rawOriginalType === falseType || rawOriginalType === regularFalseType) { + return true; + } + } + return false; + } + var setProp = getPropertyOfType(objectLitType, "set"); + return !setProp; + } + function isReadonlySymbol(symbol) { + // The following symbols are considered read-only: + // Properties with a 'readonly' modifier + // Variables declared with 'const' + // Get accessors without matching set accessors + // Enum members + // Object.defineProperty assignments with writable false or no setter + // Unions and intersections of the above (unions and intersections eagerly set isReadonly on creation) + return !!(ts.getCheckFlags(symbol) & 8 /* CheckFlags.Readonly */ || + symbol.flags & 4 /* SymbolFlags.Property */ && ts.getDeclarationModifierFlagsFromSymbol(symbol) & 64 /* ModifierFlags.Readonly */ || + symbol.flags & 3 /* SymbolFlags.Variable */ && getDeclarationNodeFlagsFromSymbol(symbol) & 2 /* NodeFlags.Const */ || + symbol.flags & 98304 /* SymbolFlags.Accessor */ && !(symbol.flags & 65536 /* SymbolFlags.SetAccessor */) || + symbol.flags & 8 /* SymbolFlags.EnumMember */ || + ts.some(symbol.declarations, isReadonlyAssignmentDeclaration)); + } + function isAssignmentToReadonlyEntity(expr, symbol, assignmentKind) { + var _a, _b; + if (assignmentKind === 0 /* AssignmentKind.None */) { + // no assigment means it doesn't matter whether the entity is readonly + return false; + } + if (isReadonlySymbol(symbol)) { + // Allow assignments to readonly properties within constructors of the same class declaration. + if (symbol.flags & 4 /* SymbolFlags.Property */ && + ts.isAccessExpression(expr) && + expr.expression.kind === 108 /* SyntaxKind.ThisKeyword */) { + // Look for if this is the constructor for the class that `symbol` is a property of. + var ctor = ts.getContainingFunction(expr); + if (!(ctor && (ctor.kind === 171 /* SyntaxKind.Constructor */ || isJSConstructor(ctor)))) { + return true; + } + if (symbol.valueDeclaration) { + var isAssignmentDeclaration_1 = ts.isBinaryExpression(symbol.valueDeclaration); + var isLocalPropertyDeclaration = ctor.parent === symbol.valueDeclaration.parent; + var isLocalParameterProperty = ctor === symbol.valueDeclaration.parent; + var isLocalThisPropertyAssignment = isAssignmentDeclaration_1 && ((_a = symbol.parent) === null || _a === void 0 ? void 0 : _a.valueDeclaration) === ctor.parent; + var isLocalThisPropertyAssignmentConstructorFunction = isAssignmentDeclaration_1 && ((_b = symbol.parent) === null || _b === void 0 ? void 0 : _b.valueDeclaration) === ctor; + var isWriteableSymbol = isLocalPropertyDeclaration + || isLocalParameterProperty + || isLocalThisPropertyAssignment + || isLocalThisPropertyAssignmentConstructorFunction; + return !isWriteableSymbol; + } + } + return true; + } + if (ts.isAccessExpression(expr)) { + // references through namespace import should be readonly + var node = ts.skipParentheses(expr.expression); + if (node.kind === 79 /* SyntaxKind.Identifier */) { + var symbol_2 = getNodeLinks(node).resolvedSymbol; + if (symbol_2.flags & 2097152 /* SymbolFlags.Alias */) { + var declaration = getDeclarationOfAliasSymbol(symbol_2); + return !!declaration && declaration.kind === 268 /* SyntaxKind.NamespaceImport */; + } + } + } + return false; + } + function checkReferenceExpression(expr, invalidReferenceMessage, invalidOptionalChainMessage) { + // References are combinations of identifiers, parentheses, and property accesses. + var node = ts.skipOuterExpressions(expr, 6 /* OuterExpressionKinds.Assertions */ | 1 /* OuterExpressionKinds.Parentheses */); + if (node.kind !== 79 /* SyntaxKind.Identifier */ && !ts.isAccessExpression(node)) { + error(expr, invalidReferenceMessage); + return false; + } + if (node.flags & 32 /* NodeFlags.OptionalChain */) { + error(expr, invalidOptionalChainMessage); + return false; + } + return true; + } + function checkDeleteExpression(node) { + checkExpression(node.expression); + var expr = ts.skipParentheses(node.expression); + if (!ts.isAccessExpression(expr)) { + error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_must_be_a_property_reference); + return booleanType; + } + if (ts.isPropertyAccessExpression(expr) && ts.isPrivateIdentifier(expr.name)) { + error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_cannot_be_a_private_identifier); + } + var links = getNodeLinks(expr); + var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol); + if (symbol) { + if (isReadonlySymbol(symbol)) { + error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_cannot_be_a_read_only_property); + } + checkDeleteExpressionMustBeOptional(expr, symbol); + } + return booleanType; + } + function checkDeleteExpressionMustBeOptional(expr, symbol) { + var type = getTypeOfSymbol(symbol); + if (strictNullChecks && + !(type.flags & (3 /* TypeFlags.AnyOrUnknown */ | 131072 /* TypeFlags.Never */)) && + !(exactOptionalPropertyTypes ? symbol.flags & 16777216 /* SymbolFlags.Optional */ : getFalsyFlags(type) & 32768 /* TypeFlags.Undefined */)) { + error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_must_be_optional); + } + } + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return typeofType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedWideningType; + } + function checkAwaitExpressionGrammar(node) { + // Grammar checking + var container = ts.getContainingFunctionOrClassStaticBlock(node); + if (container && ts.isClassStaticBlockDeclaration(container)) { + error(node, ts.Diagnostics.Await_expression_cannot_be_used_inside_a_class_static_block); + } + else if (!(node.flags & 32768 /* NodeFlags.AwaitContext */)) { + if (ts.isInTopLevelContext(node)) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = void 0; + if (!ts.isEffectiveExternalModule(sourceFile, compilerOptions)) { + span !== null && span !== void 0 ? span : (span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos)); + var diagnostic = ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module); + diagnostics.add(diagnostic); + } + switch (moduleKind) { + case ts.ModuleKind.Node16: + case ts.ModuleKind.NodeNext: + if (sourceFile.impliedNodeFormat === ts.ModuleKind.CommonJS) { + span !== null && span !== void 0 ? span : (span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos)); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.The_current_file_is_a_CommonJS_module_and_cannot_use_await_at_the_top_level)); + break; + } + // fallthrough + case ts.ModuleKind.ES2022: + case ts.ModuleKind.ESNext: + case ts.ModuleKind.System: + if (languageVersion >= 4 /* ScriptTarget.ES2017 */) { + break; + } + // fallthrough + default: + span !== null && span !== void 0 ? span : (span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos)); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_node16_or_nodenext_and_the_target_option_is_set_to_es2017_or_higher)); + break; + } + } + } + else { + // use of 'await' in non-async function + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + var diagnostic = ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules); + if (container && container.kind !== 171 /* SyntaxKind.Constructor */ && (ts.getFunctionFlags(container) & 2 /* FunctionFlags.Async */) === 0) { + var relatedInfo = ts.createDiagnosticForNode(container, ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async); + ts.addRelatedInfo(diagnostic, relatedInfo); + } + diagnostics.add(diagnostic); + } + } + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + function checkAwaitExpression(node) { + addLazyDiagnostic(function () { return checkAwaitExpressionGrammar(node); }); + var operandType = checkExpression(node.expression); + var awaitedType = checkAwaitedType(operandType, /*withAlias*/ true, node, ts.Diagnostics.Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member); + if (awaitedType === operandType && !isErrorType(awaitedType) && !(operandType.flags & 3 /* TypeFlags.AnyOrUnknown */)) { + addErrorOrSuggestion(/*isError*/ false, ts.createDiagnosticForNode(node, ts.Diagnostics.await_has_no_effect_on_the_type_of_this_expression)); + } + return awaitedType; + } + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + if (operandType === silentNeverType) { + return silentNeverType; + } + switch (node.operand.kind) { + case 8 /* SyntaxKind.NumericLiteral */: + switch (node.operator) { + case 40 /* SyntaxKind.MinusToken */: + return getFreshTypeOfLiteralType(getNumberLiteralType(-node.operand.text)); + case 39 /* SyntaxKind.PlusToken */: + return getFreshTypeOfLiteralType(getNumberLiteralType(+node.operand.text)); + } + break; + case 9 /* SyntaxKind.BigIntLiteral */: + if (node.operator === 40 /* SyntaxKind.MinusToken */) { + return getFreshTypeOfLiteralType(getBigIntLiteralType({ + negative: true, + base10Value: ts.parsePseudoBigInt(node.operand.text) + })); + } + } + switch (node.operator) { + case 39 /* SyntaxKind.PlusToken */: + case 40 /* SyntaxKind.MinusToken */: + case 54 /* SyntaxKind.TildeToken */: + checkNonNullType(operandType, node.operand); + if (maybeTypeOfKindConsideringBaseConstraint(operandType, 12288 /* TypeFlags.ESSymbolLike */)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + if (node.operator === 39 /* SyntaxKind.PlusToken */) { + if (maybeTypeOfKind(operandType, 2112 /* TypeFlags.BigIntLike */)) { + error(node.operand, ts.Diagnostics.Operator_0_cannot_be_applied_to_type_1, ts.tokenToString(node.operator), typeToString(getBaseTypeOfLiteralType(operandType))); + } + return numberType; + } + return getUnaryResultType(operandType); + case 53 /* SyntaxKind.ExclamationToken */: + checkTruthinessExpression(node.operand); + var facts = getTypeFacts(operandType) & (4194304 /* TypeFacts.Truthy */ | 8388608 /* TypeFacts.Falsy */); + return facts === 4194304 /* TypeFacts.Truthy */ ? falseType : + facts === 8388608 /* TypeFacts.Falsy */ ? trueType : + booleanType; + case 45 /* SyntaxKind.PlusPlusToken */: + case 46 /* SyntaxKind.MinusMinusToken */: + var ok = checkArithmeticOperandType(node.operand, checkNonNullType(operandType, node.operand), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type); + if (ok) { + // run check only if former checks succeeded to avoid reporting cascading errors + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access); + } + return getUnaryResultType(operandType); + } + return errorType; + } + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + if (operandType === silentNeverType) { + return silentNeverType; + } + var ok = checkArithmeticOperandType(node.operand, checkNonNullType(operandType, node.operand), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type); + if (ok) { + // run check only if former checks succeeded to avoid reporting cascading errors + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access); + } + return getUnaryResultType(operandType); + } + function getUnaryResultType(operandType) { + if (maybeTypeOfKind(operandType, 2112 /* TypeFlags.BigIntLike */)) { + return isTypeAssignableToKind(operandType, 3 /* TypeFlags.AnyOrUnknown */) || maybeTypeOfKind(operandType, 296 /* TypeFlags.NumberLike */) + ? numberOrBigIntType + : bigintType; + } + // If it's not a bigint type, implicit coercion will result in a number + return numberType; + } + function maybeTypeOfKindConsideringBaseConstraint(type, kind) { + if (maybeTypeOfKind(type, kind)) { + return true; + } + var baseConstraint = getBaseConstraintOrType(type); + return !!baseConstraint && maybeTypeOfKind(baseConstraint, kind); + } + // Return true if type might be of the given kind. A union or intersection type might be of a given + // kind if at least one constituent type is of the given kind. + function maybeTypeOfKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + var types = type.types; + for (var _i = 0, types_21 = types; _i < types_21.length; _i++) { + var t = types_21[_i]; + if (maybeTypeOfKind(t, kind)) { + return true; + } + } + } + return false; + } + function isTypeAssignableToKind(source, kind, strict) { + if (source.flags & kind) { + return true; + } + if (strict && source.flags & (3 /* TypeFlags.AnyOrUnknown */ | 16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */ | 65536 /* TypeFlags.Null */)) { + return false; + } + return !!(kind & 296 /* TypeFlags.NumberLike */) && isTypeAssignableTo(source, numberType) || + !!(kind & 2112 /* TypeFlags.BigIntLike */) && isTypeAssignableTo(source, bigintType) || + !!(kind & 402653316 /* TypeFlags.StringLike */) && isTypeAssignableTo(source, stringType) || + !!(kind & 528 /* TypeFlags.BooleanLike */) && isTypeAssignableTo(source, booleanType) || + !!(kind & 16384 /* TypeFlags.Void */) && isTypeAssignableTo(source, voidType) || + !!(kind & 131072 /* TypeFlags.Never */) && isTypeAssignableTo(source, neverType) || + !!(kind & 65536 /* TypeFlags.Null */) && isTypeAssignableTo(source, nullType) || + !!(kind & 32768 /* TypeFlags.Undefined */) && isTypeAssignableTo(source, undefinedType) || + !!(kind & 4096 /* TypeFlags.ESSymbol */) && isTypeAssignableTo(source, esSymbolType) || + !!(kind & 67108864 /* TypeFlags.NonPrimitive */) && isTypeAssignableTo(source, nonPrimitiveType); + } + function allTypesAssignableToKind(source, kind, strict) { + return source.flags & 1048576 /* TypeFlags.Union */ ? + ts.every(source.types, function (subType) { return allTypesAssignableToKind(subType, kind, strict); }) : + isTypeAssignableToKind(source, kind, strict); + } + function isConstEnumObjectType(type) { + return !!(ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */) && !!type.symbol && isConstEnumSymbol(type.symbol); + } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128 /* SymbolFlags.ConstEnum */) !== 0; + } + function checkInstanceOfExpression(left, right, leftType, rightType) { + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + // TypeScript 1.0 spec (April 2014): 4.15.4 + // The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, + // and the right operand to be of type Any, a subtype of the 'Function' interface type, or have a call or construct signature. + // The result is always of the Boolean primitive type. + // NOTE: do not raise error if leftType is unknown as related error was already reported + if (!isTypeAny(leftType) && + allTypesAssignableToKind(leftType, 131068 /* TypeFlags.Primitive */)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + // NOTE: do not raise error if right is unknown as related error was already reported + if (!(isTypeAny(rightType) || typeHasCallOrConstructSignatures(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + } + return booleanType; + } + function checkInExpression(left, right, leftType, rightType) { + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + if (ts.isPrivateIdentifier(left)) { + if (languageVersion < 99 /* ScriptTarget.ESNext */) { + checkExternalEmitHelpers(left, 2097152 /* ExternalEmitHelpers.ClassPrivateFieldIn */); + } + // Unlike in 'checkPrivateIdentifierExpression' we now have access to the RHS type + // which provides us with the opportunity to emit more detailed errors + if (!getNodeLinks(left).resolvedSymbol && ts.getContainingClass(left)) { + var isUncheckedJS = isUncheckedJSSuggestion(left, rightType.symbol, /*excludeClasses*/ true); + reportNonexistentProperty(left, rightType, isUncheckedJS); + } + } + else { + leftType = checkNonNullType(leftType, left); + // TypeScript 1.0 spec (April 2014): 4.15.5 + // Require the left operand to be of type Any, the String primitive type, or the Number primitive type. + if (!(allTypesAssignableToKind(leftType, 402653316 /* TypeFlags.StringLike */ | 296 /* TypeFlags.NumberLike */ | 12288 /* TypeFlags.ESSymbolLike */) || + isTypeAssignableToKind(leftType, 4194304 /* TypeFlags.Index */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */ | 262144 /* TypeFlags.TypeParameter */))) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_a_private_identifier_or_of_type_any_string_number_or_symbol); + } + } + rightType = checkNonNullType(rightType, right); + // TypeScript 1.0 spec (April 2014): 4.15.5 + // The in operator requires the right operand to be + // + // 1. assignable to the non-primitive type, + // 2. an unconstrained type parameter, + // 3. a union or intersection including one or more type parameters, whose constituents are all assignable to the + // the non-primitive type, or are unconstrainted type parameters, or have constraints assignable to the + // non-primitive type, or + // 4. a type parameter whose constraint is + // i. an object type, + // ii. the non-primitive type, or + // iii. a union or intersection with at least one constituent assignable to an object or non-primitive type. + // + // The divergent behavior for type parameters and unions containing type parameters is a workaround for type + // parameters not being narrowable. If the right operand is a concrete type, we can error if there is any chance + // it is a primitive. But if the operand is a type parameter, it cannot be narrowed, so we don't issue an error + // unless *all* instantiations would result in an error. + // + // The result is always of the Boolean primitive type. + var rightTypeConstraint = getConstraintOfType(rightType); + if (!allTypesAssignableToKind(rightType, 67108864 /* TypeFlags.NonPrimitive */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */) || + rightTypeConstraint && (isTypeAssignableToKind(rightType, 3145728 /* TypeFlags.UnionOrIntersection */) && !allTypesAssignableToKind(rightTypeConstraint, 67108864 /* TypeFlags.NonPrimitive */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */) || + !maybeTypeOfKind(rightTypeConstraint, 67108864 /* TypeFlags.NonPrimitive */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */ | 524288 /* TypeFlags.Object */))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_not_be_a_primitive); + } + return booleanType; + } + function checkObjectLiteralAssignment(node, sourceType, rightIsThis) { + var properties = node.properties; + if (strictNullChecks && properties.length === 0) { + return checkNonNullType(sourceType, node); + } + for (var i = 0; i < properties.length; i++) { + checkObjectLiteralDestructuringPropertyAssignment(node, sourceType, i, properties, rightIsThis); + } + return sourceType; + } + /** Note: If property cannot be a SpreadAssignment, then allProperties does not need to be provided */ + function checkObjectLiteralDestructuringPropertyAssignment(node, objectLiteralType, propertyIndex, allProperties, rightIsThis) { + if (rightIsThis === void 0) { rightIsThis = false; } + var properties = node.properties; + var property = properties[propertyIndex]; + if (property.kind === 296 /* SyntaxKind.PropertyAssignment */ || property.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + var name = property.name; + var exprType = getLiteralTypeFromPropertyName(name); + if (isTypeUsableAsPropertyName(exprType)) { + var text = getPropertyNameFromType(exprType); + var prop = getPropertyOfType(objectLiteralType, text); + if (prop) { + markPropertyAsReferenced(prop, property, rightIsThis); + checkPropertyAccessibility(property, /*isSuper*/ false, /*writing*/ true, objectLiteralType, prop); + } + } + var elementType = getIndexedAccessType(objectLiteralType, exprType, 32 /* AccessFlags.ExpressionPosition */, name); + var type = getFlowTypeOfDestructuring(property, elementType); + return checkDestructuringAssignment(property.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ ? property : property.initializer, type); + } + else if (property.kind === 298 /* SyntaxKind.SpreadAssignment */) { + if (propertyIndex < properties.length - 1) { + error(property, ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern); + } + else { + if (languageVersion < 99 /* ScriptTarget.ESNext */) { + checkExternalEmitHelpers(property, 4 /* ExternalEmitHelpers.Rest */); + } + var nonRestNames = []; + if (allProperties) { + for (var _i = 0, allProperties_1 = allProperties; _i < allProperties_1.length; _i++) { + var otherProperty = allProperties_1[_i]; + if (!ts.isSpreadAssignment(otherProperty)) { + nonRestNames.push(otherProperty.name); + } + } + } + var type = getRestType(objectLiteralType, nonRestNames, objectLiteralType.symbol); + checkGrammarForDisallowedTrailingComma(allProperties, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma); + return checkDestructuringAssignment(property.expression, type); + } + } + else { + error(property, ts.Diagnostics.Property_assignment_expected); + } + } + function checkArrayLiteralAssignment(node, sourceType, checkMode) { + var elements = node.elements; + if (languageVersion < 2 /* ScriptTarget.ES2015 */ && compilerOptions.downlevelIteration) { + checkExternalEmitHelpers(node, 512 /* ExternalEmitHelpers.Read */); + } + // This elementType will be used if the specific property corresponding to this index is not + // present (aka the tuple element property). This call also checks that the parentType is in + // fact an iterable or array (depending on target language). + var possiblyOutOfBoundsType = checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */ | 128 /* IterationUse.PossiblyOutOfBounds */, sourceType, undefinedType, node) || errorType; + var inBoundsType = compilerOptions.noUncheckedIndexedAccess ? undefined : possiblyOutOfBoundsType; + for (var i = 0; i < elements.length; i++) { + var type = possiblyOutOfBoundsType; + if (node.elements[i].kind === 225 /* SyntaxKind.SpreadElement */) { + type = inBoundsType = inBoundsType !== null && inBoundsType !== void 0 ? inBoundsType : (checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, sourceType, undefinedType, node) || errorType); + } + checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, type, checkMode); + } + return sourceType; + } + function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, checkMode) { + var elements = node.elements; + var element = elements[elementIndex]; + if (element.kind !== 227 /* SyntaxKind.OmittedExpression */) { + if (element.kind !== 225 /* SyntaxKind.SpreadElement */) { + var indexType = getNumberLiteralType(elementIndex); + if (isArrayLikeType(sourceType)) { + // We create a synthetic expression so that getIndexedAccessType doesn't get confused + // when the element is a SyntaxKind.ElementAccessExpression. + var accessFlags = 32 /* AccessFlags.ExpressionPosition */ | (hasDefaultValue(element) ? 16 /* AccessFlags.NoTupleBoundsCheck */ : 0); + var elementType_2 = getIndexedAccessTypeOrUndefined(sourceType, indexType, accessFlags, createSyntheticExpression(element, indexType)) || errorType; + var assignedType = hasDefaultValue(element) ? getTypeWithFacts(elementType_2, 524288 /* TypeFacts.NEUndefined */) : elementType_2; + var type = getFlowTypeOfDestructuring(element, assignedType); + return checkDestructuringAssignment(element, type, checkMode); + } + return checkDestructuringAssignment(element, elementType, checkMode); + } + if (elementIndex < elements.length - 1) { + error(element, ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern); + } + else { + var restExpression = element.expression; + if (restExpression.kind === 221 /* SyntaxKind.BinaryExpression */ && restExpression.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + checkGrammarForDisallowedTrailingComma(node.elements, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma); + var type = everyType(sourceType, isTupleType) ? + mapType(sourceType, function (t) { return sliceTupleType(t, elementIndex); }) : + createArrayType(elementType); + return checkDestructuringAssignment(restExpression, type, checkMode); + } + } + } + return undefined; + } + function checkDestructuringAssignment(exprOrAssignment, sourceType, checkMode, rightIsThis) { + var target; + if (exprOrAssignment.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + // In strict null checking mode, if a default value of a non-undefined type is specified, remove + // undefined from the final type. + if (strictNullChecks && + !(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 32768 /* TypeFlags.Undefined */)) { + sourceType = getTypeWithFacts(sourceType, 524288 /* TypeFacts.NEUndefined */); + } + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, checkMode); + } + target = exprOrAssignment.name; + } + else { + target = exprOrAssignment; + } + if (target.kind === 221 /* SyntaxKind.BinaryExpression */ && target.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + checkBinaryExpression(target, checkMode); + target = target.left; + } + if (target.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + return checkObjectLiteralAssignment(target, sourceType, rightIsThis); + } + if (target.kind === 204 /* SyntaxKind.ArrayLiteralExpression */) { + return checkArrayLiteralAssignment(target, sourceType, checkMode); + } + return checkReferenceAssignment(target, sourceType, checkMode); + } + function checkReferenceAssignment(target, sourceType, checkMode) { + var targetType = checkExpression(target, checkMode); + var error = target.parent.kind === 298 /* SyntaxKind.SpreadAssignment */ ? + ts.Diagnostics.The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access : + ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access; + var optionalError = target.parent.kind === 298 /* SyntaxKind.SpreadAssignment */ ? + ts.Diagnostics.The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access : + ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access; + if (checkReferenceExpression(target, error, optionalError)) { + checkTypeAssignableToAndOptionallyElaborate(sourceType, targetType, target, target); + } + if (ts.isPrivateIdentifierPropertyAccessExpression(target)) { + checkExternalEmitHelpers(target.parent, 1048576 /* ExternalEmitHelpers.ClassPrivateFieldSet */); + } + return sourceType; + } + /** + * This is a *shallow* check: An expression is side-effect-free if the + * evaluation of the expression *itself* cannot produce side effects. + * For example, x++ / 3 is side-effect free because the / operator + * does not have side effects. + * The intent is to "smell test" an expression for correctness in positions where + * its value is discarded (e.g. the left side of the comma operator). + */ + function isSideEffectFree(node) { + node = ts.skipParentheses(node); + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 10 /* SyntaxKind.StringLiteral */: + case 13 /* SyntaxKind.RegularExpressionLiteral */: + case 210 /* SyntaxKind.TaggedTemplateExpression */: + case 223 /* SyntaxKind.TemplateExpression */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + case 9 /* SyntaxKind.BigIntLiteral */: + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + case 104 /* SyntaxKind.NullKeyword */: + case 153 /* SyntaxKind.UndefinedKeyword */: + case 213 /* SyntaxKind.FunctionExpression */: + case 226 /* SyntaxKind.ClassExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 216 /* SyntaxKind.TypeOfExpression */: + case 230 /* SyntaxKind.NonNullExpression */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 278 /* SyntaxKind.JsxElement */: + return true; + case 222 /* SyntaxKind.ConditionalExpression */: + return isSideEffectFree(node.whenTrue) && + isSideEffectFree(node.whenFalse); + case 221 /* SyntaxKind.BinaryExpression */: + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return false; + } + return isSideEffectFree(node.left) && + isSideEffectFree(node.right); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + case 220 /* SyntaxKind.PostfixUnaryExpression */: + // Unary operators ~, !, +, and - have no side effects. + // The rest do. + switch (node.operator) { + case 53 /* SyntaxKind.ExclamationToken */: + case 39 /* SyntaxKind.PlusToken */: + case 40 /* SyntaxKind.MinusToken */: + case 54 /* SyntaxKind.TildeToken */: + return true; + } + return false; + // Some forms listed here for clarity + case 217 /* SyntaxKind.VoidExpression */: // Explicit opt-out + case 211 /* SyntaxKind.TypeAssertionExpression */: // Not SEF, but can produce useful type warnings + case 229 /* SyntaxKind.AsExpression */: // Not SEF, but can produce useful type warnings + default: + return false; + } + } + function isTypeEqualityComparableTo(source, target) { + return (target.flags & 98304 /* TypeFlags.Nullable */) !== 0 || isTypeComparableTo(source, target); + } + function createCheckBinaryExpression() { + var trampoline = ts.createBinaryExpressionTrampoline(onEnter, onLeft, onOperator, onRight, onExit, foldState); + return function (node, checkMode) { + var result = trampoline(node, checkMode); + ts.Debug.assertIsDefined(result); + return result; + }; + function onEnter(node, state, checkMode) { + if (state) { + state.stackIndex++; + state.skip = false; + setLeftType(state, /*type*/ undefined); + setLastResult(state, /*type*/ undefined); + } + else { + state = { + checkMode: checkMode, + skip: false, + stackIndex: 0, + typeStack: [undefined, undefined], + }; + } + if (ts.isInJSFile(node) && ts.getAssignedExpandoInitializer(node)) { + state.skip = true; + setLastResult(state, checkExpression(node.right, checkMode)); + return state; + } + checkGrammarNullishCoalesceWithLogicalExpression(node); + var operator = node.operatorToken.kind; + if (operator === 63 /* SyntaxKind.EqualsToken */ && (node.left.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ || node.left.kind === 204 /* SyntaxKind.ArrayLiteralExpression */)) { + state.skip = true; + setLastResult(state, checkDestructuringAssignment(node.left, checkExpression(node.right, checkMode), checkMode, node.right.kind === 108 /* SyntaxKind.ThisKeyword */)); + return state; + } + return state; + } + function onLeft(left, state, _node) { + if (!state.skip) { + return maybeCheckExpression(state, left); + } + } + function onOperator(operatorToken, state, node) { + if (!state.skip) { + var leftType = getLastResult(state); + ts.Debug.assertIsDefined(leftType); + setLeftType(state, leftType); + setLastResult(state, /*type*/ undefined); + var operator = operatorToken.kind; + if (operator === 55 /* SyntaxKind.AmpersandAmpersandToken */ || operator === 56 /* SyntaxKind.BarBarToken */ || operator === 60 /* SyntaxKind.QuestionQuestionToken */) { + if (operator === 55 /* SyntaxKind.AmpersandAmpersandToken */) { + var parent = ts.walkUpParenthesizedExpressions(node.parent); + checkTestingKnownTruthyCallableOrAwaitableType(node.left, ts.isIfStatement(parent) ? parent.thenStatement : undefined); + } + checkTruthinessOfType(leftType, node.left); + } + } + } + function onRight(right, state, _node) { + if (!state.skip) { + return maybeCheckExpression(state, right); + } + } + function onExit(node, state) { + var result; + if (state.skip) { + result = getLastResult(state); + } + else { + var leftType = getLeftType(state); + ts.Debug.assertIsDefined(leftType); + var rightType = getLastResult(state); + ts.Debug.assertIsDefined(rightType); + result = checkBinaryLikeExpressionWorker(node.left, node.operatorToken, node.right, leftType, rightType, node); + } + state.skip = false; + setLeftType(state, /*type*/ undefined); + setLastResult(state, /*type*/ undefined); + state.stackIndex--; + return result; + } + function foldState(state, result, _side) { + setLastResult(state, result); + return state; + } + function maybeCheckExpression(state, node) { + if (ts.isBinaryExpression(node)) { + return node; + } + setLastResult(state, checkExpression(node, state.checkMode)); + } + function getLeftType(state) { + return state.typeStack[state.stackIndex]; + } + function setLeftType(state, type) { + state.typeStack[state.stackIndex] = type; + } + function getLastResult(state) { + return state.typeStack[state.stackIndex + 1]; + } + function setLastResult(state, type) { + // To reduce overhead, reuse the next stack entry to store the + // last result. This avoids the overhead of an additional property + // on `WorkArea` and reuses empty stack entries as we walk back up + // the stack. + state.typeStack[state.stackIndex + 1] = type; + } + } + function checkGrammarNullishCoalesceWithLogicalExpression(node) { + var left = node.left, operatorToken = node.operatorToken, right = node.right; + if (operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */) { + if (ts.isBinaryExpression(left) && (left.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || left.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */)) { + grammarErrorOnNode(left, ts.Diagnostics._0_and_1_operations_cannot_be_mixed_without_parentheses, ts.tokenToString(left.operatorToken.kind), ts.tokenToString(operatorToken.kind)); + } + if (ts.isBinaryExpression(right) && (right.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || right.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */)) { + grammarErrorOnNode(right, ts.Diagnostics._0_and_1_operations_cannot_be_mixed_without_parentheses, ts.tokenToString(right.operatorToken.kind), ts.tokenToString(operatorToken.kind)); + } + } + } + // Note that this and `checkBinaryExpression` above should behave mostly the same, except this elides some + // expression-wide checks and does not use a work stack to fold nested binary expressions into the same callstack frame + function checkBinaryLikeExpression(left, operatorToken, right, checkMode, errorNode) { + var operator = operatorToken.kind; + if (operator === 63 /* SyntaxKind.EqualsToken */ && (left.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ || left.kind === 204 /* SyntaxKind.ArrayLiteralExpression */)) { + return checkDestructuringAssignment(left, checkExpression(right, checkMode), checkMode, right.kind === 108 /* SyntaxKind.ThisKeyword */); + } + var leftType; + if (operator === 55 /* SyntaxKind.AmpersandAmpersandToken */ || operator === 56 /* SyntaxKind.BarBarToken */ || operator === 60 /* SyntaxKind.QuestionQuestionToken */) { + leftType = checkTruthinessExpression(left, checkMode); + } + else { + leftType = checkExpression(left, checkMode); + } + var rightType = checkExpression(right, checkMode); + return checkBinaryLikeExpressionWorker(left, operatorToken, right, leftType, rightType, errorNode); + } + function checkBinaryLikeExpressionWorker(left, operatorToken, right, leftType, rightType, errorNode) { + var operator = operatorToken.kind; + switch (operator) { + case 41 /* SyntaxKind.AsteriskToken */: + case 42 /* SyntaxKind.AsteriskAsteriskToken */: + case 66 /* SyntaxKind.AsteriskEqualsToken */: + case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */: + case 43 /* SyntaxKind.SlashToken */: + case 68 /* SyntaxKind.SlashEqualsToken */: + case 44 /* SyntaxKind.PercentToken */: + case 69 /* SyntaxKind.PercentEqualsToken */: + case 40 /* SyntaxKind.MinusToken */: + case 65 /* SyntaxKind.MinusEqualsToken */: + case 47 /* SyntaxKind.LessThanLessThanToken */: + case 70 /* SyntaxKind.LessThanLessThanEqualsToken */: + case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: + case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */: + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: + case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */: + case 51 /* SyntaxKind.BarToken */: + case 74 /* SyntaxKind.BarEqualsToken */: + case 52 /* SyntaxKind.CaretToken */: + case 78 /* SyntaxKind.CaretEqualsToken */: + case 50 /* SyntaxKind.AmpersandToken */: + case 73 /* SyntaxKind.AmpersandEqualsToken */: + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + leftType = checkNonNullType(leftType, left); + rightType = checkNonNullType(rightType, right); + var suggestedOperator = void 0; + // if a user tries to apply a bitwise operator to 2 boolean operands + // try and return them a helpful suggestion + if ((leftType.flags & 528 /* TypeFlags.BooleanLike */) && + (rightType.flags & 528 /* TypeFlags.BooleanLike */) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + return numberType; + } + else { + // otherwise just check each operand separately and report errors as normal + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type, /*isAwaitValid*/ true); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type, /*isAwaitValid*/ true); + var resultType_1; + // If both are any or unknown, allow operation; assume it will resolve to number + if ((isTypeAssignableToKind(leftType, 3 /* TypeFlags.AnyOrUnknown */) && isTypeAssignableToKind(rightType, 3 /* TypeFlags.AnyOrUnknown */)) || + // Or, if neither could be bigint, implicit coercion results in a number result + !(maybeTypeOfKind(leftType, 2112 /* TypeFlags.BigIntLike */) || maybeTypeOfKind(rightType, 2112 /* TypeFlags.BigIntLike */))) { + resultType_1 = numberType; + } + // At least one is assignable to bigint, so check that both are + else if (bothAreBigIntLike(leftType, rightType)) { + switch (operator) { + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: + case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */: + reportOperatorError(); + break; + case 42 /* SyntaxKind.AsteriskAsteriskToken */: + case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */: + if (languageVersion < 3 /* ScriptTarget.ES2016 */) { + error(errorNode, ts.Diagnostics.Exponentiation_cannot_be_performed_on_bigint_values_unless_the_target_option_is_set_to_es2016_or_later); + } + } + resultType_1 = bigintType; + } + // Exactly one of leftType/rightType is assignable to bigint + else { + reportOperatorError(bothAreBigIntLike); + resultType_1 = errorType; + } + if (leftOk && rightOk) { + checkAssignmentOperator(resultType_1); + } + return resultType_1; + } + case 39 /* SyntaxKind.PlusToken */: + case 64 /* SyntaxKind.PlusEqualsToken */: + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + if (!isTypeAssignableToKind(leftType, 402653316 /* TypeFlags.StringLike */) && !isTypeAssignableToKind(rightType, 402653316 /* TypeFlags.StringLike */)) { + leftType = checkNonNullType(leftType, left); + rightType = checkNonNullType(rightType, right); + } + var resultType = void 0; + if (isTypeAssignableToKind(leftType, 296 /* TypeFlags.NumberLike */, /*strict*/ true) && isTypeAssignableToKind(rightType, 296 /* TypeFlags.NumberLike */, /*strict*/ true)) { + // Operands of an enum type are treated as having the primitive type Number. + // If both operands are of the Number primitive type, the result is of the Number primitive type. + resultType = numberType; + } + else if (isTypeAssignableToKind(leftType, 2112 /* TypeFlags.BigIntLike */, /*strict*/ true) && isTypeAssignableToKind(rightType, 2112 /* TypeFlags.BigIntLike */, /*strict*/ true)) { + // If both operands are of the BigInt primitive type, the result is of the BigInt primitive type. + resultType = bigintType; + } + else if (isTypeAssignableToKind(leftType, 402653316 /* TypeFlags.StringLike */, /*strict*/ true) || isTypeAssignableToKind(rightType, 402653316 /* TypeFlags.StringLike */, /*strict*/ true)) { + // If one or both operands are of the String primitive type, the result is of the String primitive type. + resultType = stringType; + } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + // Otherwise, the result is of type Any. + // NOTE: unknown type here denotes error type. Old compiler treated this case as any type so do we. + resultType = isErrorType(leftType) || isErrorType(rightType) ? errorType : anyType; + } + // Symbols are not allowed at all in arithmetic expressions + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + if (!resultType) { + // Types that have a reasonably good chance of being a valid operand type. + // If both types have an awaited type of one of these, we'll assume the user + // might be missing an await without doing an exhaustive check that inserting + // await(s) will actually be a completely valid binary expression. + var closeEnoughKind_1 = 296 /* TypeFlags.NumberLike */ | 2112 /* TypeFlags.BigIntLike */ | 402653316 /* TypeFlags.StringLike */ | 3 /* TypeFlags.AnyOrUnknown */; + reportOperatorError(function (left, right) { + return isTypeAssignableToKind(left, closeEnoughKind_1) && + isTypeAssignableToKind(right, closeEnoughKind_1); + }); + return anyType; + } + if (operator === 64 /* SyntaxKind.PlusEqualsToken */) { + checkAssignmentOperator(resultType); + } + return resultType; + case 29 /* SyntaxKind.LessThanToken */: + case 31 /* SyntaxKind.GreaterThanToken */: + case 32 /* SyntaxKind.LessThanEqualsToken */: + case 33 /* SyntaxKind.GreaterThanEqualsToken */: + if (checkForDisallowedESSymbolOperand(operator)) { + leftType = getBaseTypeOfLiteralType(checkNonNullType(leftType, left)); + rightType = getBaseTypeOfLiteralType(checkNonNullType(rightType, right)); + reportOperatorErrorUnless(function (left, right) { + return isTypeComparableTo(left, right) || isTypeComparableTo(right, left) || (isTypeAssignableTo(left, numberOrBigIntType) && isTypeAssignableTo(right, numberOrBigIntType)); + }); + } + return booleanType; + case 34 /* SyntaxKind.EqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + reportOperatorErrorUnless(function (left, right) { return isTypeEqualityComparableTo(left, right) || isTypeEqualityComparableTo(right, left); }); + return booleanType; + case 102 /* SyntaxKind.InstanceOfKeyword */: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 101 /* SyntaxKind.InKeyword */: + return checkInExpression(left, right, leftType, rightType); + case 55 /* SyntaxKind.AmpersandAmpersandToken */: + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: { + var resultType_2 = getTypeFacts(leftType) & 4194304 /* TypeFacts.Truthy */ ? + getUnionType([extractDefinitelyFalsyTypes(strictNullChecks ? leftType : getBaseTypeOfLiteralType(rightType)), rightType]) : + leftType; + if (operator === 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */) { + checkAssignmentOperator(rightType); + } + return resultType_2; + } + case 56 /* SyntaxKind.BarBarToken */: + case 75 /* SyntaxKind.BarBarEqualsToken */: { + var resultType_3 = getTypeFacts(leftType) & 8388608 /* TypeFacts.Falsy */ ? + getUnionType([removeDefinitelyFalsyTypes(leftType), rightType], 2 /* UnionReduction.Subtype */) : + leftType; + if (operator === 75 /* SyntaxKind.BarBarEqualsToken */) { + checkAssignmentOperator(rightType); + } + return resultType_3; + } + case 60 /* SyntaxKind.QuestionQuestionToken */: + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: { + var resultType_4 = getTypeFacts(leftType) & 262144 /* TypeFacts.EQUndefinedOrNull */ ? + getUnionType([getNonNullableType(leftType), rightType], 2 /* UnionReduction.Subtype */) : + leftType; + if (operator === 77 /* SyntaxKind.QuestionQuestionEqualsToken */) { + checkAssignmentOperator(rightType); + } + return resultType_4; + } + case 63 /* SyntaxKind.EqualsToken */: + var declKind = ts.isBinaryExpression(left.parent) ? ts.getAssignmentDeclarationKind(left.parent) : 0 /* AssignmentDeclarationKind.None */; + checkAssignmentDeclaration(declKind, rightType); + if (isAssignmentDeclaration(declKind)) { + if (!(rightType.flags & 524288 /* TypeFlags.Object */) || + declKind !== 2 /* AssignmentDeclarationKind.ModuleExports */ && + declKind !== 6 /* AssignmentDeclarationKind.Prototype */ && + !isEmptyObjectType(rightType) && + !isFunctionObjectType(rightType) && + !(ts.getObjectFlags(rightType) & 1 /* ObjectFlags.Class */)) { + // don't check assignability of module.exports=, C.prototype=, or expando types because they will necessarily be incomplete + checkAssignmentOperator(rightType); + } + return leftType; + } + else { + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + } + case 27 /* SyntaxKind.CommaToken */: + if (!compilerOptions.allowUnreachableCode && isSideEffectFree(left) && !isEvalNode(right)) { + var sf = ts.getSourceFileOfNode(left); + var sourceText = sf.text; + var start_3 = ts.skipTrivia(sourceText, left.pos); + var isInDiag2657 = sf.parseDiagnostics.some(function (diag) { + if (diag.code !== ts.Diagnostics.JSX_expressions_must_have_one_parent_element.code) + return false; + return ts.textSpanContainsPosition(diag, start_3); + }); + if (!isInDiag2657) + error(left, ts.Diagnostics.Left_side_of_comma_operator_is_unused_and_has_no_side_effects); + } + return rightType; + default: + return ts.Debug.fail(); + } + function bothAreBigIntLike(left, right) { + return isTypeAssignableToKind(left, 2112 /* TypeFlags.BigIntLike */) && isTypeAssignableToKind(right, 2112 /* TypeFlags.BigIntLike */); + } + function checkAssignmentDeclaration(kind, rightType) { + if (kind === 2 /* AssignmentDeclarationKind.ModuleExports */) { + for (var _i = 0, _a = getPropertiesOfObjectType(rightType); _i < _a.length; _i++) { + var prop = _a[_i]; + var propType = getTypeOfSymbol(prop); + if (propType.symbol && propType.symbol.flags & 32 /* SymbolFlags.Class */) { + var name = prop.escapedName; + var symbol = resolveName(prop.valueDeclaration, name, 788968 /* SymbolFlags.Type */, undefined, name, /*isUse*/ false); + if ((symbol === null || symbol === void 0 ? void 0 : symbol.declarations) && symbol.declarations.some(ts.isJSDocTypedefTag)) { + addDuplicateDeclarationErrorsForSymbols(symbol, ts.Diagnostics.Duplicate_identifier_0, ts.unescapeLeadingUnderscores(name), prop); + addDuplicateDeclarationErrorsForSymbols(prop, ts.Diagnostics.Duplicate_identifier_0, ts.unescapeLeadingUnderscores(name), symbol); + } + } + } + } + } + function isEvalNode(node) { + return node.kind === 79 /* SyntaxKind.Identifier */ && node.escapedText === "eval"; + } + // Return true if there was no error, false if there was an error. + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = maybeTypeOfKindConsideringBaseConstraint(leftType, 12288 /* TypeFlags.ESSymbolLike */) ? left : + maybeTypeOfKindConsideringBaseConstraint(rightType, 12288 /* TypeFlags.ESSymbolLike */) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; + } + return true; + } + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 51 /* SyntaxKind.BarToken */: + case 74 /* SyntaxKind.BarEqualsToken */: + return 56 /* SyntaxKind.BarBarToken */; + case 52 /* SyntaxKind.CaretToken */: + case 78 /* SyntaxKind.CaretEqualsToken */: + return 37 /* SyntaxKind.ExclamationEqualsEqualsToken */; + case 50 /* SyntaxKind.AmpersandToken */: + case 73 /* SyntaxKind.AmpersandEqualsToken */: + return 55 /* SyntaxKind.AmpersandAmpersandToken */; + default: + return undefined; + } + } + function checkAssignmentOperator(valueType) { + if (ts.isAssignmentOperator(operator)) { + addLazyDiagnostic(checkAssignmentOperatorWorker); + } + function checkAssignmentOperatorWorker() { + // TypeScript 1.0 spec (April 2014): 4.17 + // An assignment of the form + // VarExpr = ValueExpr + // requires VarExpr to be classified as a reference + // A compound assignment furthermore requires VarExpr to be classified as a reference (section 4.1) + // and the type of the non-compound operation to be assignable to the type of VarExpr. + if (checkReferenceExpression(left, ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access) + && (!ts.isIdentifier(left) || ts.unescapeLeadingUnderscores(left.escapedText) !== "exports")) { + var headMessage = void 0; + if (exactOptionalPropertyTypes && ts.isPropertyAccessExpression(left) && maybeTypeOfKind(valueType, 32768 /* TypeFlags.Undefined */)) { + var target = getTypeOfPropertyOfType(getTypeOfExpression(left.expression), left.name.escapedText); + if (isExactOptionalPropertyMismatch(valueType, target)) { + headMessage = ts.Diagnostics.Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_type_of_the_target; + } + } + // to avoid cascading errors check assignability only if 'isReference' check succeeded and no errors were reported + checkTypeAssignableToAndOptionallyElaborate(valueType, leftType, left, right, headMessage); + } + } + } + function isAssignmentDeclaration(kind) { + var _a; + switch (kind) { + case 2 /* AssignmentDeclarationKind.ModuleExports */: + return true; + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + case 5 /* AssignmentDeclarationKind.Property */: + case 6 /* AssignmentDeclarationKind.Prototype */: + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: + case 4 /* AssignmentDeclarationKind.ThisProperty */: + var symbol = getSymbolOfNode(left); + var init = ts.getAssignedExpandoInitializer(right); + return !!init && ts.isObjectLiteralExpression(init) && + !!((_a = symbol === null || symbol === void 0 ? void 0 : symbol.exports) === null || _a === void 0 ? void 0 : _a.size); + default: + return false; + } + } + /** + * Returns true if an error is reported + */ + function reportOperatorErrorUnless(typesAreCompatible) { + if (!typesAreCompatible(leftType, rightType)) { + reportOperatorError(typesAreCompatible); + return true; + } + return false; + } + function reportOperatorError(isRelated) { + var _a; + var wouldWorkWithAwait = false; + var errNode = errorNode || operatorToken; + if (isRelated) { + var awaitedLeftType = getAwaitedTypeNoAlias(leftType); + var awaitedRightType = getAwaitedTypeNoAlias(rightType); + wouldWorkWithAwait = !(awaitedLeftType === leftType && awaitedRightType === rightType) + && !!(awaitedLeftType && awaitedRightType) + && isRelated(awaitedLeftType, awaitedRightType); + } + var effectiveLeft = leftType; + var effectiveRight = rightType; + if (!wouldWorkWithAwait && isRelated) { + _a = getBaseTypesIfUnrelated(leftType, rightType, isRelated), effectiveLeft = _a[0], effectiveRight = _a[1]; + } + var _b = getTypeNamesForErrorDisplay(effectiveLeft, effectiveRight), leftStr = _b[0], rightStr = _b[1]; + if (!tryGiveBetterPrimaryError(errNode, wouldWorkWithAwait, leftStr, rightStr)) { + errorAndMaybeSuggestAwait(errNode, wouldWorkWithAwait, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), leftStr, rightStr); + } + } + function tryGiveBetterPrimaryError(errNode, maybeMissingAwait, leftStr, rightStr) { + var typeName; + switch (operatorToken.kind) { + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 34 /* SyntaxKind.EqualsEqualsToken */: + typeName = "false"; + break; + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + typeName = "true"; + } + if (typeName) { + return errorAndMaybeSuggestAwait(errNode, maybeMissingAwait, ts.Diagnostics.This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap, typeName, leftStr, rightStr); + } + return undefined; + } + } + function getBaseTypesIfUnrelated(leftType, rightType, isRelated) { + var effectiveLeft = leftType; + var effectiveRight = rightType; + var leftBase = getBaseTypeOfLiteralType(leftType); + var rightBase = getBaseTypeOfLiteralType(rightType); + if (!isRelated(leftBase, rightBase)) { + effectiveLeft = leftBase; + effectiveRight = rightBase; + } + return [effectiveLeft, effectiveRight]; + } + function checkYieldExpression(node) { + addLazyDiagnostic(checkYieldExpressionGrammar); + var func = ts.getContainingFunction(node); + if (!func) + return anyType; + var functionFlags = ts.getFunctionFlags(func); + if (!(functionFlags & 1 /* FunctionFlags.Generator */)) { + // If the user's code is syntactically correct, the func should always have a star. After all, we are in a yield context. + return anyType; + } + var isAsync = (functionFlags & 2 /* FunctionFlags.Async */) !== 0; + if (node.asteriskToken) { + // Async generator functions prior to ESNext require the __await, __asyncDelegator, + // and __asyncValues helpers + if (isAsync && languageVersion < 99 /* ScriptTarget.ESNext */) { + checkExternalEmitHelpers(node, 26624 /* ExternalEmitHelpers.AsyncDelegatorIncludes */); + } + // Generator functions prior to ES2015 require the __values helper + if (!isAsync && languageVersion < 2 /* ScriptTarget.ES2015 */ && compilerOptions.downlevelIteration) { + checkExternalEmitHelpers(node, 256 /* ExternalEmitHelpers.Values */); + } + } + // There is no point in doing an assignability check if the function + // has no explicit return type because the return type is directly computed + // from the yield expressions. + var returnType = getReturnTypeFromAnnotation(func); + var iterationTypes = returnType && getIterationTypesOfGeneratorFunctionReturnType(returnType, isAsync); + var signatureYieldType = iterationTypes && iterationTypes.yieldType || anyType; + var signatureNextType = iterationTypes && iterationTypes.nextType || anyType; + var resolvedSignatureNextType = isAsync ? getAwaitedType(signatureNextType) || anyType : signatureNextType; + var yieldExpressionType = node.expression ? checkExpression(node.expression) : undefinedWideningType; + var yieldedType = getYieldedTypeOfYieldExpression(node, yieldExpressionType, resolvedSignatureNextType, isAsync); + if (returnType && yieldedType) { + checkTypeAssignableToAndOptionallyElaborate(yieldedType, signatureYieldType, node.expression || node, node.expression); + } + if (node.asteriskToken) { + var use = isAsync ? 19 /* IterationUse.AsyncYieldStar */ : 17 /* IterationUse.YieldStar */; + return getIterationTypeOfIterable(use, 1 /* IterationTypeKind.Return */, yieldExpressionType, node.expression) + || anyType; + } + else if (returnType) { + return getIterationTypeOfGeneratorFunctionReturnType(2 /* IterationTypeKind.Next */, returnType, isAsync) + || anyType; + } + var type = getContextualIterationType(2 /* IterationTypeKind.Next */, func); + if (!type) { + type = anyType; + addLazyDiagnostic(function () { + if (noImplicitAny && !ts.expressionResultIsUnused(node)) { + var contextualType = getContextualType(node); + if (!contextualType || isTypeAny(contextualType)) { + error(node, ts.Diagnostics.yield_expression_implicitly_results_in_an_any_type_because_its_containing_generator_lacks_a_return_type_annotation); + } + } + }); + } + return type; + function checkYieldExpressionGrammar() { + if (!(node.flags & 8192 /* NodeFlags.YieldContext */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + } + function checkConditionalExpression(node, checkMode) { + checkTruthinessExpression(node.condition); + checkTestingKnownTruthyCallableOrAwaitableType(node.condition, node.whenTrue); + var type1 = checkExpression(node.whenTrue, checkMode); + var type2 = checkExpression(node.whenFalse, checkMode); + return getUnionType([type1, type2], 2 /* UnionReduction.Subtype */); + } + function isTemplateLiteralContext(node) { + var parent = node.parent; + return ts.isParenthesizedExpression(parent) && isTemplateLiteralContext(parent) || + ts.isElementAccessExpression(parent) && parent.argumentExpression === node; + } + function checkTemplateExpression(node) { + var texts = [node.head.text]; + var types = []; + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span = _a[_i]; + var type = checkExpression(span.expression); + if (maybeTypeOfKindConsideringBaseConstraint(type, 12288 /* TypeFlags.ESSymbolLike */)) { + error(span.expression, ts.Diagnostics.Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_in_String); + } + texts.push(span.literal.text); + types.push(isTypeAssignableTo(type, templateConstraintType) ? type : stringType); + } + return isConstContext(node) || isTemplateLiteralContext(node) || someType(getContextualType(node) || unknownType, isTemplateLiteralContextualType) ? getTemplateLiteralType(texts, types) : stringType; + } + function isTemplateLiteralContextualType(type) { + return !!(type.flags & (128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */) || + type.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */ && maybeTypeOfKind(getBaseConstraintOfType(type) || unknownType, 402653316 /* TypeFlags.StringLike */)); + } + function getContextNode(node) { + if (node.kind === 286 /* SyntaxKind.JsxAttributes */ && !ts.isJsxSelfClosingElement(node.parent)) { + return node.parent.parent; // Needs to be the root JsxElement, so it encompasses the attributes _and_ the children (which are essentially part of the attributes) + } + return node; + } + function checkExpressionWithContextualType(node, contextualType, inferenceContext, checkMode) { + var context = getContextNode(node); + var saveContextualType = context.contextualType; + var saveInferenceContext = context.inferenceContext; + try { + context.contextualType = contextualType; + context.inferenceContext = inferenceContext; + var type = checkExpression(node, checkMode | 1 /* CheckMode.Contextual */ | (inferenceContext ? 2 /* CheckMode.Inferential */ : 0)); + // In CheckMode.Inferential we collect intra-expression inference sites to process before fixing any type + // parameters. This information is no longer needed after the call to checkExpression. + if (inferenceContext && inferenceContext.intraExpressionInferenceSites) { + inferenceContext.intraExpressionInferenceSites = undefined; + } + // We strip literal freshness when an appropriate contextual type is present such that contextually typed + // literals always preserve their literal types (otherwise they might widen during type inference). An alternative + // here would be to not mark contextually typed literals as fresh in the first place. + var result = maybeTypeOfKind(type, 2944 /* TypeFlags.Literal */) && isLiteralOfContextualType(type, instantiateContextualType(contextualType, node)) ? + getRegularTypeOfLiteralType(type) : type; + return result; + } + finally { + // In the event our operation is canceled or some other exception occurs, reset the contextual type + // so that we do not accidentally hold onto an instance of the checker, as a Type created in the services layer + // may hold onto the checker that created it. + context.contextualType = saveContextualType; + context.inferenceContext = saveInferenceContext; + } + } + function checkExpressionCached(node, checkMode) { + if (checkMode && checkMode !== 0 /* CheckMode.Normal */) { + return checkExpression(node, checkMode); + } + var links = getNodeLinks(node); + if (!links.resolvedType) { + // When computing a type that we're going to cache, we need to ignore any ongoing control flow + // analysis because variables may have transient types in indeterminable states. Moving flowLoopStart + // to the top of the stack ensures all transient types are computed from a known point. + var saveFlowLoopStart = flowLoopStart; + var saveFlowTypeCache = flowTypeCache; + flowLoopStart = flowLoopCount; + flowTypeCache = undefined; + links.resolvedType = checkExpression(node, checkMode); + flowTypeCache = saveFlowTypeCache; + flowLoopStart = saveFlowLoopStart; + } + return links.resolvedType; + } + function isTypeAssertion(node) { + node = ts.skipParentheses(node, /*excludeJSDocTypeAssertions*/ true); + return node.kind === 211 /* SyntaxKind.TypeAssertionExpression */ || + node.kind === 229 /* SyntaxKind.AsExpression */ || + ts.isJSDocTypeAssertion(node); + } + function checkDeclarationInitializer(declaration, checkMode, contextualType) { + var initializer = ts.getEffectiveInitializer(declaration); + var type = getQuickTypeOfExpression(initializer) || + (contextualType ? + checkExpressionWithContextualType(initializer, contextualType, /*inferenceContext*/ undefined, checkMode || 0 /* CheckMode.Normal */) + : checkExpressionCached(initializer, checkMode)); + return ts.isParameter(declaration) && declaration.name.kind === 202 /* SyntaxKind.ArrayBindingPattern */ && + isTupleType(type) && !type.target.hasRestElement && getTypeReferenceArity(type) < declaration.name.elements.length ? + padTupleType(type, declaration.name) : type; + } + function padTupleType(type, pattern) { + var patternElements = pattern.elements; + var elementTypes = getTypeArguments(type).slice(); + var elementFlags = type.target.elementFlags.slice(); + for (var i = getTypeReferenceArity(type); i < patternElements.length; i++) { + var e = patternElements[i]; + if (i < patternElements.length - 1 || !(e.kind === 203 /* SyntaxKind.BindingElement */ && e.dotDotDotToken)) { + elementTypes.push(!ts.isOmittedExpression(e) && hasDefaultValue(e) ? getTypeFromBindingElement(e, /*includePatternInType*/ false, /*reportErrors*/ false) : anyType); + elementFlags.push(2 /* ElementFlags.Optional */); + if (!ts.isOmittedExpression(e) && !hasDefaultValue(e)) { + reportImplicitAny(e, anyType); + } + } + } + return createTupleType(elementTypes, elementFlags, type.target.readonly); + } + function widenTypeInferredFromInitializer(declaration, type) { + var widened = ts.getCombinedNodeFlags(declaration) & 2 /* NodeFlags.Const */ || ts.isDeclarationReadonly(declaration) ? type : getWidenedLiteralType(type); + if (ts.isInJSFile(declaration)) { + if (isEmptyLiteralType(widened)) { + reportImplicitAny(declaration, anyType); + return anyType; + } + else if (isEmptyArrayLiteralType(widened)) { + reportImplicitAny(declaration, anyArrayType); + return anyArrayType; + } + } + return widened; + } + function isLiteralOfContextualType(candidateType, contextualType) { + if (contextualType) { + if (contextualType.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + var types = contextualType.types; + return ts.some(types, function (t) { return isLiteralOfContextualType(candidateType, t); }); + } + if (contextualType.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */) { + // If the contextual type is a type variable constrained to a primitive type, consider + // this a literal context for literals of that primitive type. For example, given a + // type parameter 'T extends string', infer string literal types for T. + var constraint = getBaseConstraintOfType(contextualType) || unknownType; + return maybeTypeOfKind(constraint, 4 /* TypeFlags.String */) && maybeTypeOfKind(candidateType, 128 /* TypeFlags.StringLiteral */) || + maybeTypeOfKind(constraint, 8 /* TypeFlags.Number */) && maybeTypeOfKind(candidateType, 256 /* TypeFlags.NumberLiteral */) || + maybeTypeOfKind(constraint, 64 /* TypeFlags.BigInt */) && maybeTypeOfKind(candidateType, 2048 /* TypeFlags.BigIntLiteral */) || + maybeTypeOfKind(constraint, 4096 /* TypeFlags.ESSymbol */) && maybeTypeOfKind(candidateType, 8192 /* TypeFlags.UniqueESSymbol */) || + isLiteralOfContextualType(candidateType, constraint); + } + // If the contextual type is a literal of a particular primitive type, we consider this a + // literal context for all literals of that primitive type. + return !!(contextualType.flags & (128 /* TypeFlags.StringLiteral */ | 4194304 /* TypeFlags.Index */ | 134217728 /* TypeFlags.TemplateLiteral */ | 268435456 /* TypeFlags.StringMapping */) && maybeTypeOfKind(candidateType, 128 /* TypeFlags.StringLiteral */) || + contextualType.flags & 256 /* TypeFlags.NumberLiteral */ && maybeTypeOfKind(candidateType, 256 /* TypeFlags.NumberLiteral */) || + contextualType.flags & 2048 /* TypeFlags.BigIntLiteral */ && maybeTypeOfKind(candidateType, 2048 /* TypeFlags.BigIntLiteral */) || + contextualType.flags & 512 /* TypeFlags.BooleanLiteral */ && maybeTypeOfKind(candidateType, 512 /* TypeFlags.BooleanLiteral */) || + contextualType.flags & 8192 /* TypeFlags.UniqueESSymbol */ && maybeTypeOfKind(candidateType, 8192 /* TypeFlags.UniqueESSymbol */)); + } + return false; + } + function isConstContext(node) { + var parent = node.parent; + return ts.isAssertionExpression(parent) && ts.isConstTypeReference(parent.type) || + ts.isJSDocTypeAssertion(parent) && ts.isConstTypeReference(ts.getJSDocTypeAssertionType(parent)) || + (ts.isParenthesizedExpression(parent) || ts.isArrayLiteralExpression(parent) || ts.isSpreadElement(parent)) && isConstContext(parent) || + (ts.isPropertyAssignment(parent) || ts.isShorthandPropertyAssignment(parent) || ts.isTemplateSpan(parent)) && isConstContext(parent.parent); + } + function checkExpressionForMutableLocation(node, checkMode, contextualType, forceTuple) { + var type = checkExpression(node, checkMode, forceTuple); + return isConstContext(node) || ts.isCommonJsExportedExpression(node) ? getRegularTypeOfLiteralType(type) : + isTypeAssertion(node) ? type : + getWidenedLiteralLikeTypeForContextualType(type, instantiateContextualType(arguments.length === 2 ? getContextualType(node) : contextualType, node)); + } + function checkPropertyAssignment(node, checkMode) { + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + return checkExpressionForMutableLocation(node.initializer, checkMode); + } + function checkObjectLiteralMethod(node, checkMode) { + // Grammar checking + checkGrammarMethod(node); + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, checkMode); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, checkMode); + } + function instantiateTypeWithSingleGenericCallSignature(node, type, checkMode) { + if (checkMode && checkMode & (2 /* CheckMode.Inferential */ | 8 /* CheckMode.SkipGenericFunctions */)) { + var callSignature = getSingleSignature(type, 0 /* SignatureKind.Call */, /*allowMembers*/ true); + var constructSignature = getSingleSignature(type, 1 /* SignatureKind.Construct */, /*allowMembers*/ true); + var signature = callSignature || constructSignature; + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node, 2 /* ContextFlags.NoConstraints */); + if (contextualType) { + var contextualSignature = getSingleSignature(getNonNullableType(contextualType), callSignature ? 0 /* SignatureKind.Call */ : 1 /* SignatureKind.Construct */, /*allowMembers*/ false); + if (contextualSignature && !contextualSignature.typeParameters) { + if (checkMode & 8 /* CheckMode.SkipGenericFunctions */) { + skippedGenericFunction(node, checkMode); + return anyFunctionType; + } + var context = getInferenceContext(node); + // We have an expression that is an argument of a generic function for which we are performing + // type argument inference. The expression is of a function type with a single generic call + // signature and a contextual function type with a single non-generic call signature. Now check + // if the outer function returns a function type with a single non-generic call signature and + // if some of the outer function type parameters have no inferences so far. If so, we can + // potentially add inferred type parameters to the outer function return type. + var returnType = context.signature && getReturnTypeOfSignature(context.signature); + var returnSignature = returnType && getSingleCallOrConstructSignature(returnType); + if (returnSignature && !returnSignature.typeParameters && !ts.every(context.inferences, hasInferenceCandidates)) { + // Instantiate the signature with its own type parameters as type arguments, possibly + // renaming the type parameters to ensure they have unique names. + var uniqueTypeParameters = getUniqueTypeParameters(context, signature.typeParameters); + var instantiatedSignature = getSignatureInstantiationWithoutFillingInTypeArguments(signature, uniqueTypeParameters); + // Infer from the parameters of the instantiated signature to the parameters of the + // contextual signature starting with an empty set of inference candidates. + var inferences_3 = ts.map(context.inferences, function (info) { return createInferenceInfo(info.typeParameter); }); + applyToParameterTypes(instantiatedSignature, contextualSignature, function (source, target) { + inferTypes(inferences_3, source, target, /*priority*/ 0, /*contravariant*/ true); + }); + if (ts.some(inferences_3, hasInferenceCandidates)) { + // We have inference candidates, indicating that one or more type parameters are referenced + // in the parameter types of the contextual signature. Now also infer from the return type. + applyToReturnTypes(instantiatedSignature, contextualSignature, function (source, target) { + inferTypes(inferences_3, source, target); + }); + // If the type parameters for which we produced candidates do not have any inferences yet, + // we adopt the new inference candidates and add the type parameters of the expression type + // to the set of inferred type parameters for the outer function return type. + if (!hasOverlappingInferences(context.inferences, inferences_3)) { + mergeInferences(context.inferences, inferences_3); + context.inferredTypeParameters = ts.concatenate(context.inferredTypeParameters, uniqueTypeParameters); + return getOrCreateTypeFromSignature(instantiatedSignature); + } + } + } + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, context)); + } + } + } + } + return type; + } + function skippedGenericFunction(node, checkMode) { + if (checkMode & 2 /* CheckMode.Inferential */) { + // We have skipped a generic function during inferential typing. Obtain the inference context and + // indicate this has occurred such that we know a second pass of inference is be needed. + var context = getInferenceContext(node); + context.flags |= 4 /* InferenceFlags.SkippedGenericFunction */; + } + } + function hasInferenceCandidates(info) { + return !!(info.candidates || info.contraCandidates); + } + function hasOverlappingInferences(a, b) { + for (var i = 0; i < a.length; i++) { + if (hasInferenceCandidates(a[i]) && hasInferenceCandidates(b[i])) { + return true; + } + } + return false; + } + function mergeInferences(target, source) { + for (var i = 0; i < target.length; i++) { + if (!hasInferenceCandidates(target[i]) && hasInferenceCandidates(source[i])) { + target[i] = source[i]; + } + } + } + function getUniqueTypeParameters(context, typeParameters) { + var result = []; + var oldTypeParameters; + var newTypeParameters; + for (var _i = 0, typeParameters_2 = typeParameters; _i < typeParameters_2.length; _i++) { + var tp = typeParameters_2[_i]; + var name = tp.symbol.escapedName; + if (hasTypeParameterByName(context.inferredTypeParameters, name) || hasTypeParameterByName(result, name)) { + var newName = getUniqueTypeParameterName(ts.concatenate(context.inferredTypeParameters, result), name); + var symbol = createSymbol(262144 /* SymbolFlags.TypeParameter */, newName); + var newTypeParameter = createTypeParameter(symbol); + newTypeParameter.target = tp; + oldTypeParameters = ts.append(oldTypeParameters, tp); + newTypeParameters = ts.append(newTypeParameters, newTypeParameter); + result.push(newTypeParameter); + } + else { + result.push(tp); + } + } + if (newTypeParameters) { + var mapper = createTypeMapper(oldTypeParameters, newTypeParameters); + for (var _a = 0, newTypeParameters_1 = newTypeParameters; _a < newTypeParameters_1.length; _a++) { + var tp = newTypeParameters_1[_a]; + tp.mapper = mapper; + } + } + return result; + } + function hasTypeParameterByName(typeParameters, name) { + return ts.some(typeParameters, function (tp) { return tp.symbol.escapedName === name; }); + } + function getUniqueTypeParameterName(typeParameters, baseName) { + var len = baseName.length; + while (len > 1 && baseName.charCodeAt(len - 1) >= 48 /* CharacterCodes._0 */ && baseName.charCodeAt(len - 1) <= 57 /* CharacterCodes._9 */) + len--; + var s = baseName.slice(0, len); + for (var index = 1; true; index++) { + var augmentedName = s + index; + if (!hasTypeParameterByName(typeParameters, augmentedName)) { + return augmentedName; + } + } + } + function getReturnTypeOfSingleNonGenericCallSignature(funcType) { + var signature = getSingleCallSignature(funcType); + if (signature && !signature.typeParameters) { + return getReturnTypeOfSignature(signature); + } + } + function getReturnTypeOfSingleNonGenericSignatureOfCallChain(expr) { + var funcType = checkExpression(expr.expression); + var nonOptionalType = getOptionalExpressionType(funcType, expr.expression); + var returnType = getReturnTypeOfSingleNonGenericCallSignature(funcType); + return returnType && propagateOptionalTypeMarker(returnType, expr, nonOptionalType !== funcType); + } + /** + * Returns the type of an expression. Unlike checkExpression, this function is simply concerned + * with computing the type and may not fully check all contained sub-expressions for errors. + */ + function getTypeOfExpression(node) { + // Don't bother caching types that require no flow analysis and are quick to compute. + var quickType = getQuickTypeOfExpression(node); + if (quickType) { + return quickType; + } + // If a type has been cached for the node, return it. + if (node.flags & 134217728 /* NodeFlags.TypeCached */ && flowTypeCache) { + var cachedType = flowTypeCache[getNodeId(node)]; + if (cachedType) { + return cachedType; + } + } + var startInvocationCount = flowInvocationCount; + var type = checkExpression(node); + // If control flow analysis was required to determine the type, it is worth caching. + if (flowInvocationCount !== startInvocationCount) { + var cache = flowTypeCache || (flowTypeCache = []); + cache[getNodeId(node)] = type; + ts.setNodeFlags(node, node.flags | 134217728 /* NodeFlags.TypeCached */); + } + return type; + } + function getQuickTypeOfExpression(node) { + var expr = ts.skipParentheses(node, /*excludeJSDocTypeAssertions*/ true); + if (ts.isJSDocTypeAssertion(expr)) { + var type = ts.getJSDocTypeAssertionType(expr); + if (!ts.isConstTypeReference(type)) { + return getTypeFromTypeNode(type); + } + } + expr = ts.skipParentheses(node); + // Optimize for the common case of a call to a function with a single non-generic call + // signature where we can just fetch the return type without checking the arguments. + if (ts.isCallExpression(expr) && expr.expression.kind !== 106 /* SyntaxKind.SuperKeyword */ && !ts.isRequireCall(expr, /*checkArgumentIsStringLiteralLike*/ true) && !isSymbolOrSymbolForCall(expr)) { + var type = ts.isCallChain(expr) ? getReturnTypeOfSingleNonGenericSignatureOfCallChain(expr) : + getReturnTypeOfSingleNonGenericCallSignature(checkNonNullExpression(expr.expression)); + if (type) { + return type; + } + } + else if (ts.isAssertionExpression(expr) && !ts.isConstTypeReference(expr.type)) { + return getTypeFromTypeNode(expr.type); + } + else if (node.kind === 8 /* SyntaxKind.NumericLiteral */ || node.kind === 10 /* SyntaxKind.StringLiteral */ || + node.kind === 110 /* SyntaxKind.TrueKeyword */ || node.kind === 95 /* SyntaxKind.FalseKeyword */) { + return checkExpression(node); + } + return undefined; + } + /** + * Returns the type of an expression. Unlike checkExpression, this function is simply concerned + * with computing the type and may not fully check all contained sub-expressions for errors. + * It is intended for uses where you know there is no contextual type, + * and requesting the contextual type might cause a circularity or other bad behaviour. + * It sets the contextual type of the node to any before calling getTypeOfExpression. + */ + function getContextFreeTypeOfExpression(node) { + var links = getNodeLinks(node); + if (links.contextFreeType) { + return links.contextFreeType; + } + var saveContextualType = node.contextualType; + node.contextualType = anyType; + try { + var type = links.contextFreeType = checkExpression(node, 4 /* CheckMode.SkipContextSensitive */); + return type; + } + finally { + // In the event our operation is canceled or some other exception occurs, reset the contextual type + // so that we do not accidentally hold onto an instance of the checker, as a Type created in the services layer + // may hold onto the checker that created it. + node.contextualType = saveContextualType; + } + } + function checkExpression(node, checkMode, forceTuple) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("check" /* tracing.Phase.Check */, "checkExpression", { kind: node.kind, pos: node.pos, end: node.end, path: node.tracingPath }); + var saveCurrentNode = currentNode; + currentNode = node; + instantiationCount = 0; + var uninstantiatedType = checkExpressionWorker(node, checkMode, forceTuple); + var type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, checkMode); + if (isConstEnumObjectType(type)) { + checkConstEnumAccess(node, type); + } + currentNode = saveCurrentNode; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return type; + } + function checkConstEnumAccess(node, type) { + // enum object type for const enums are only permitted in: + // - 'left' in property access + // - 'object' in indexed access + // - target in rhs of import statement + var ok = (node.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && node.parent.expression === node) || + (node.parent.kind === 207 /* SyntaxKind.ElementAccessExpression */ && node.parent.expression === node) || + ((node.kind === 79 /* SyntaxKind.Identifier */ || node.kind === 161 /* SyntaxKind.QualifiedName */) && isInRightSideOfImportOrExportAssignment(node) || + (node.parent.kind === 181 /* SyntaxKind.TypeQuery */ && node.parent.exprName === node)) || + (node.parent.kind === 275 /* SyntaxKind.ExportSpecifier */); // We allow reexporting const enums + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment_or_type_query); + } + if (compilerOptions.isolatedModules) { + ts.Debug.assert(!!(type.symbol.flags & 128 /* SymbolFlags.ConstEnum */)); + var constEnumDeclaration = type.symbol.valueDeclaration; + if (constEnumDeclaration.flags & 16777216 /* NodeFlags.Ambient */) { + error(node, ts.Diagnostics.Cannot_access_ambient_const_enums_when_the_isolatedModules_flag_is_provided); + } + } + } + function checkParenthesizedExpression(node, checkMode) { + if (ts.hasJSDocNodes(node) && ts.isJSDocTypeAssertion(node)) { + var type = ts.getJSDocTypeAssertionType(node); + return checkAssertionWorker(type, type, node.expression, checkMode); + } + return checkExpression(node.expression, checkMode); + } + function checkExpressionWorker(node, checkMode, forceTuple) { + var kind = node.kind; + if (cancellationToken) { + // Only bother checking on a few construct kinds. We don't want to be excessively + // hitting the cancellation token on every node we check. + switch (kind) { + case 226 /* SyntaxKind.ClassExpression */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + cancellationToken.throwIfCancellationRequested(); + } + } + switch (kind) { + case 79 /* SyntaxKind.Identifier */: + return checkIdentifier(node, checkMode); + case 80 /* SyntaxKind.PrivateIdentifier */: + return checkPrivateIdentifierExpression(node); + case 108 /* SyntaxKind.ThisKeyword */: + return checkThisExpression(node); + case 106 /* SyntaxKind.SuperKeyword */: + return checkSuperExpression(node); + case 104 /* SyntaxKind.NullKeyword */: + return nullWideningType; + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 10 /* SyntaxKind.StringLiteral */: + return getFreshTypeOfLiteralType(getStringLiteralType(node.text)); + case 8 /* SyntaxKind.NumericLiteral */: + checkGrammarNumericLiteral(node); + return getFreshTypeOfLiteralType(getNumberLiteralType(+node.text)); + case 9 /* SyntaxKind.BigIntLiteral */: + checkGrammarBigIntLiteral(node); + return getFreshTypeOfLiteralType(getBigIntLiteralType({ + negative: false, + base10Value: ts.parsePseudoBigInt(node.text) + })); + case 110 /* SyntaxKind.TrueKeyword */: + return trueType; + case 95 /* SyntaxKind.FalseKeyword */: + return falseType; + case 223 /* SyntaxKind.TemplateExpression */: + return checkTemplateExpression(node); + case 13 /* SyntaxKind.RegularExpressionLiteral */: + return globalRegExpType; + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return checkArrayLiteral(node, checkMode, forceTuple); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return checkObjectLiteral(node, checkMode); + case 206 /* SyntaxKind.PropertyAccessExpression */: + return checkPropertyAccessExpression(node, checkMode); + case 161 /* SyntaxKind.QualifiedName */: + return checkQualifiedName(node, checkMode); + case 207 /* SyntaxKind.ElementAccessExpression */: + return checkIndexedAccess(node, checkMode); + case 208 /* SyntaxKind.CallExpression */: + if (node.expression.kind === 100 /* SyntaxKind.ImportKeyword */) { + return checkImportCallExpression(node); + } + // falls through + case 209 /* SyntaxKind.NewExpression */: + return checkCallExpression(node, checkMode); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return checkTaggedTemplateExpression(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return checkParenthesizedExpression(node, checkMode); + case 226 /* SyntaxKind.ClassExpression */: + return checkClassExpression(node); + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return checkFunctionExpressionOrObjectLiteralMethod(node, checkMode); + case 216 /* SyntaxKind.TypeOfExpression */: + return checkTypeOfExpression(node); + case 211 /* SyntaxKind.TypeAssertionExpression */: + case 229 /* SyntaxKind.AsExpression */: + return checkAssertion(node); + case 230 /* SyntaxKind.NonNullExpression */: + return checkNonNullAssertion(node); + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return checkExpressionWithTypeArguments(node); + case 231 /* SyntaxKind.MetaProperty */: + return checkMetaProperty(node); + case 215 /* SyntaxKind.DeleteExpression */: + return checkDeleteExpression(node); + case 217 /* SyntaxKind.VoidExpression */: + return checkVoidExpression(node); + case 218 /* SyntaxKind.AwaitExpression */: + return checkAwaitExpression(node); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + return checkPrefixUnaryExpression(node); + case 220 /* SyntaxKind.PostfixUnaryExpression */: + return checkPostfixUnaryExpression(node); + case 221 /* SyntaxKind.BinaryExpression */: + return checkBinaryExpression(node, checkMode); + case 222 /* SyntaxKind.ConditionalExpression */: + return checkConditionalExpression(node, checkMode); + case 225 /* SyntaxKind.SpreadElement */: + return checkSpreadExpression(node, checkMode); + case 227 /* SyntaxKind.OmittedExpression */: + return undefinedWideningType; + case 224 /* SyntaxKind.YieldExpression */: + return checkYieldExpression(node); + case 232 /* SyntaxKind.SyntheticExpression */: + return checkSyntheticExpression(node); + case 288 /* SyntaxKind.JsxExpression */: + return checkJsxExpression(node, checkMode); + case 278 /* SyntaxKind.JsxElement */: + return checkJsxElement(node, checkMode); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return checkJsxSelfClosingElement(node, checkMode); + case 282 /* SyntaxKind.JsxFragment */: + return checkJsxFragment(node); + case 286 /* SyntaxKind.JsxAttributes */: + return checkJsxAttributes(node, checkMode); + case 280 /* SyntaxKind.JsxOpeningElement */: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + } + return errorType; + } + // DECLARATION AND STATEMENT TYPE CHECKING + function checkTypeParameter(node) { + // Grammar Checking + checkGrammarModifiers(node); + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); + } + checkSourceElement(node.constraint); + checkSourceElement(node.default); + var typeParameter = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node)); + // Resolve base constraint to reveal circularity errors + getBaseConstraintOfType(typeParameter); + if (!hasNonCircularTypeParameterDefault(typeParameter)) { + error(node.default, ts.Diagnostics.Type_parameter_0_has_a_circular_default, typeToString(typeParameter)); + } + var constraintType = getConstraintOfTypeParameter(typeParameter); + var defaultType = getDefaultFromTypeParameter(typeParameter); + if (constraintType && defaultType) { + checkTypeAssignableTo(defaultType, getTypeWithThisArgument(instantiateType(constraintType, makeUnaryTypeMapper(typeParameter, defaultType)), defaultType), node.default, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + } + checkNodeDeferred(node); + addLazyDiagnostic(function () { return checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); }); + } + function checkTypeParameterDeferred(node) { + if (ts.isInterfaceDeclaration(node.parent) || ts.isClassLike(node.parent) || ts.isTypeAliasDeclaration(node.parent)) { + var typeParameter = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node)); + var modifiers = getVarianceModifiers(typeParameter); + if (modifiers) { + var symbol = getSymbolOfNode(node.parent); + if (ts.isTypeAliasDeclaration(node.parent) && !(ts.getObjectFlags(getDeclaredTypeOfSymbol(symbol)) & (16 /* ObjectFlags.Anonymous */ | 32 /* ObjectFlags.Mapped */))) { + error(node, ts.Diagnostics.Variance_annotations_are_only_supported_in_type_aliases_for_object_function_constructor_and_mapped_types); + } + else if (modifiers === 32768 /* ModifierFlags.In */ || modifiers === 65536 /* ModifierFlags.Out */) { + var source = createMarkerType(symbol, typeParameter, modifiers === 65536 /* ModifierFlags.Out */ ? markerSubType : markerSuperType); + var target = createMarkerType(symbol, typeParameter, modifiers === 65536 /* ModifierFlags.Out */ ? markerSuperType : markerSubType); + var saveVarianceTypeParameter = typeParameter; + varianceTypeParameter = typeParameter; + checkTypeAssignableTo(source, target, node, ts.Diagnostics.Type_0_is_not_assignable_to_type_1_as_implied_by_variance_annotation); + varianceTypeParameter = saveVarianceTypeParameter; + } + } + } + } + function checkParameter(node) { + // Grammar checking + // It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the + // Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code + // or if its FunctionBody is strict code(11.1.5). + checkGrammarDecoratorsAndModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (ts.hasSyntacticModifier(node, 16476 /* ModifierFlags.ParameterPropertyModifier */)) { + if (!(func.kind === 171 /* SyntaxKind.Constructor */ && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + if (func.kind === 171 /* SyntaxKind.Constructor */ && ts.isIdentifier(node.name) && node.name.escapedText === "constructor") { + error(node.name, ts.Diagnostics.constructor_cannot_be_used_as_a_parameter_property_name); + } + } + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); + } + if (node.name && ts.isIdentifier(node.name) && (node.name.escapedText === "this" || node.name.escapedText === "new")) { + if (func.parameters.indexOf(node) !== 0) { + error(node, ts.Diagnostics.A_0_parameter_must_be_the_first_parameter, node.name.escapedText); + } + if (func.kind === 171 /* SyntaxKind.Constructor */ || func.kind === 175 /* SyntaxKind.ConstructSignature */ || func.kind === 180 /* SyntaxKind.ConstructorType */) { + error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter); + } + if (func.kind === 214 /* SyntaxKind.ArrowFunction */) { + error(node, ts.Diagnostics.An_arrow_function_cannot_have_a_this_parameter); + } + if (func.kind === 172 /* SyntaxKind.GetAccessor */ || func.kind === 173 /* SyntaxKind.SetAccessor */) { + error(node, ts.Diagnostics.get_and_set_accessors_cannot_declare_this_parameters); + } + } + // Only check rest parameter type if it's not a binding pattern. Since binding patterns are + // not allowed in a rest parameter, we already have an error from checkGrammarParameterList. + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isTypeAssignableTo(getReducedType(getTypeOfSymbol(node.symbol)), anyReadonlyArrayType)) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); + } + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + // The parent must not be valid. + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; + } + var signature = getSignatureFromDeclaration(parent); + var typePredicate = getTypePredicateOfSignature(signature); + if (!typePredicate) { + return; + } + checkSourceElement(node.type); + var parameterName = node.parameterName; + if (typePredicate.kind === 0 /* TypePredicateKind.This */ || typePredicate.kind === 2 /* TypePredicateKind.AssertsThis */) { + getTypeFromThisTypeNode(parameterName); + } + else { + if (typePredicate.parameterIndex >= 0) { + if (signatureHasRestParameter(signature) && typePredicate.parameterIndex === signature.parameters.length - 1) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + if (typePredicate.type) { + var leadingError = function () { return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type); }; + checkTypeAssignableTo(typePredicate.type, getTypeOfSymbol(signature.parameters[typePredicate.parameterIndex]), node.type, + /*headMessage*/ undefined, leadingError); + } + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name = _a[_i].name; + if (ts.isBindingPattern(name) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } + } + } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 214 /* SyntaxKind.ArrowFunction */: + case 174 /* SyntaxKind.CallSignature */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 179 /* SyntaxKind.FunctionType */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + var parent = node.parent; + if (node === parent.type) { + return parent; + } + } + } + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (ts.isOmittedExpression(element)) { + continue; + } + var name = element.name; + if (name.kind === 79 /* SyntaxKind.Identifier */ && name.escapedText === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name.kind === 202 /* SyntaxKind.ArrayBindingPattern */ || name.kind === 201 /* SyntaxKind.ObjectBindingPattern */) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name, predicateVariableNode, predicateVariableName)) { + return true; + } + } + } + } + function checkSignatureDeclaration(node) { + // Grammar checking + if (node.kind === 176 /* SyntaxKind.IndexSignature */) { + checkGrammarIndexSignature(node); + } + // TODO (yuisu): Remove this check in else-if when SyntaxKind.Construct is moved and ambient context is handled + else if (node.kind === 179 /* SyntaxKind.FunctionType */ || node.kind === 256 /* SyntaxKind.FunctionDeclaration */ || node.kind === 180 /* SyntaxKind.ConstructorType */ || + node.kind === 174 /* SyntaxKind.CallSignature */ || node.kind === 171 /* SyntaxKind.Constructor */ || + node.kind === 175 /* SyntaxKind.ConstructSignature */) { + checkGrammarFunctionLikeDeclaration(node); + } + var functionFlags = ts.getFunctionFlags(node); + if (!(functionFlags & 4 /* FunctionFlags.Invalid */)) { + // Async generators prior to ESNext require the __await and __asyncGenerator helpers + if ((functionFlags & 3 /* FunctionFlags.AsyncGenerator */) === 3 /* FunctionFlags.AsyncGenerator */ && languageVersion < 99 /* ScriptTarget.ESNext */) { + checkExternalEmitHelpers(node, 6144 /* ExternalEmitHelpers.AsyncGeneratorIncludes */); + } + // Async functions prior to ES2017 require the __awaiter helper + if ((functionFlags & 3 /* FunctionFlags.AsyncGenerator */) === 2 /* FunctionFlags.Async */ && languageVersion < 4 /* ScriptTarget.ES2017 */) { + checkExternalEmitHelpers(node, 64 /* ExternalEmitHelpers.Awaiter */); + } + // Generator functions, Async functions, and Async Generator functions prior to + // ES2015 require the __generator helper + if ((functionFlags & 3 /* FunctionFlags.AsyncGenerator */) !== 0 /* FunctionFlags.Normal */ && languageVersion < 2 /* ScriptTarget.ES2015 */) { + checkExternalEmitHelpers(node, 128 /* ExternalEmitHelpers.Generator */); + } + } + checkTypeParameters(ts.getEffectiveTypeParameterDeclarations(node)); + checkUnmatchedJSDocParameters(node); + ts.forEach(node.parameters, checkParameter); + // TODO(rbuckton): Should we start checking JSDoc types? + if (node.type) { + checkSourceElement(node.type); + } + addLazyDiagnostic(checkSignatureDeclarationDiagnostics); + function checkSignatureDeclarationDiagnostics() { + checkCollisionWithArgumentsInGeneratedCode(node); + var returnTypeNode = ts.getEffectiveReturnTypeNode(node); + if (noImplicitAny && !returnTypeNode) { + switch (node.kind) { + case 175 /* SyntaxKind.ConstructSignature */: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 174 /* SyntaxKind.CallSignature */: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + } + } + if (returnTypeNode) { + var functionFlags_1 = ts.getFunctionFlags(node); + if ((functionFlags_1 & (4 /* FunctionFlags.Invalid */ | 1 /* FunctionFlags.Generator */)) === 1 /* FunctionFlags.Generator */) { + var returnType = getTypeFromTypeNode(returnTypeNode); + if (returnType === voidType) { + error(returnTypeNode, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + // Naively, one could check that Generator is assignable to the return type annotation. + // However, that would not catch the error in the following case. + // + // interface BadGenerator extends Iterable, Iterator { } + // function* g(): BadGenerator { } // Iterable and Iterator have different types! + // + var generatorYieldType = getIterationTypeOfGeneratorFunctionReturnType(0 /* IterationTypeKind.Yield */, returnType, (functionFlags_1 & 2 /* FunctionFlags.Async */) !== 0) || anyType; + var generatorReturnType = getIterationTypeOfGeneratorFunctionReturnType(1 /* IterationTypeKind.Return */, returnType, (functionFlags_1 & 2 /* FunctionFlags.Async */) !== 0) || generatorYieldType; + var generatorNextType = getIterationTypeOfGeneratorFunctionReturnType(2 /* IterationTypeKind.Next */, returnType, (functionFlags_1 & 2 /* FunctionFlags.Async */) !== 0) || unknownType; + var generatorInstantiation = createGeneratorReturnType(generatorYieldType, generatorReturnType, generatorNextType, !!(functionFlags_1 & 2 /* FunctionFlags.Async */)); + checkTypeAssignableTo(generatorInstantiation, returnType, returnTypeNode); + } + } + else if ((functionFlags_1 & 3 /* FunctionFlags.AsyncGenerator */) === 2 /* FunctionFlags.Async */) { + checkAsyncFunctionReturnType(node, returnTypeNode); + } + } + if (node.kind !== 176 /* SyntaxKind.IndexSignature */ && node.kind !== 317 /* SyntaxKind.JSDocFunctionType */) { + registerForUnusedIdentifiersCheck(node); + } + } + } + function checkClassForDuplicateDeclarations(node) { + var instanceNames = new ts.Map(); + var staticNames = new ts.Map(); + // instance and static private identifiers share the same scope + var privateIdentifiers = new ts.Map(); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 171 /* SyntaxKind.Constructor */) { + for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { + var param = _c[_b]; + if (ts.isParameterPropertyDeclaration(param, member) && !ts.isBindingPattern(param.name)) { + addName(instanceNames, param.name, param.name.escapedText, 3 /* DeclarationMeaning.GetOrSetAccessor */); + } + } + } + else { + var isStaticMember = ts.isStatic(member); + var name = member.name; + if (!name) { + continue; + } + var isPrivate = ts.isPrivateIdentifier(name); + var privateStaticFlags = isPrivate && isStaticMember ? 16 /* DeclarationMeaning.PrivateStatic */ : 0; + var names = isPrivate ? privateIdentifiers : + isStaticMember ? staticNames : + instanceNames; + var memberName = name && ts.getPropertyNameForPropertyNameNode(name); + if (memberName) { + switch (member.kind) { + case 172 /* SyntaxKind.GetAccessor */: + addName(names, name, memberName, 1 /* DeclarationMeaning.GetAccessor */ | privateStaticFlags); + break; + case 173 /* SyntaxKind.SetAccessor */: + addName(names, name, memberName, 2 /* DeclarationMeaning.SetAccessor */ | privateStaticFlags); + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + addName(names, name, memberName, 3 /* DeclarationMeaning.GetOrSetAccessor */ | privateStaticFlags); + break; + case 169 /* SyntaxKind.MethodDeclaration */: + addName(names, name, memberName, 8 /* DeclarationMeaning.Method */ | privateStaticFlags); + break; + } + } + } + } + function addName(names, location, name, meaning) { + var prev = names.get(name); + if (prev) { + // For private identifiers, do not allow mixing of static and instance members with the same name + if ((prev & 16 /* DeclarationMeaning.PrivateStatic */) !== (meaning & 16 /* DeclarationMeaning.PrivateStatic */)) { + error(location, ts.Diagnostics.Duplicate_identifier_0_Static_and_instance_elements_cannot_share_the_same_private_name, ts.getTextOfNode(location)); + } + else { + var prevIsMethod = !!(prev & 8 /* DeclarationMeaning.Method */); + var isMethod = !!(meaning & 8 /* DeclarationMeaning.Method */); + if (prevIsMethod || isMethod) { + if (prevIsMethod !== isMethod) { + error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location)); + } + // If this is a method/method duplication is might be an overload, so this will be handled when overloads are considered + } + else if (prev & meaning & ~16 /* DeclarationMeaning.PrivateStatic */) { + error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location)); + } + else { + names.set(name, prev | meaning); + } + } + } + else { + names.set(name, meaning); + } + } + } + /** + * Static members being set on a constructor function may conflict with built-in properties + * of Function. Esp. in ECMAScript 5 there are non-configurable and non-writable + * built-in properties. This check issues a transpile error when a class has a static + * member with the same name as a non-writable built-in property. + * + * @see http://www.ecma-international.org/ecma-262/5.1/#sec-15.3.3 + * @see http://www.ecma-international.org/ecma-262/5.1/#sec-15.3.5 + * @see http://www.ecma-international.org/ecma-262/6.0/#sec-properties-of-the-function-constructor + * @see http://www.ecma-international.org/ecma-262/6.0/#sec-function-instances + */ + function checkClassForStaticPropertyNameConflicts(node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + var memberNameNode = member.name; + var isStaticMember = ts.isStatic(member); + if (isStaticMember && memberNameNode) { + var memberName = ts.getPropertyNameForPropertyNameNode(memberNameNode); + switch (memberName) { + case "name": + case "length": + case "caller": + case "arguments": + case "prototype": + var message = ts.Diagnostics.Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1; + var className = getNameOfSymbolAsWritten(getSymbolOfNode(node)); + error(memberNameNode, message, memberName, className); + break; + } + } + } + } + function checkObjectTypeForDuplicateDeclarations(node) { + var names = new ts.Map(); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 166 /* SyntaxKind.PropertySignature */) { + var memberName = void 0; + var name = member.name; + switch (name.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + memberName = name.text; + break; + case 79 /* SyntaxKind.Identifier */: + memberName = ts.idText(name); + break; + default: + continue; + } + if (names.get(memberName)) { + error(ts.getNameOfDeclaration(member.symbol.valueDeclaration), ts.Diagnostics.Duplicate_identifier_0, memberName); + error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName); + } + else { + names.set(memberName, true); + } + } + } + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + var nodeSymbol = getSymbolOfNode(node); + // in case of merging interface declaration it is possible that we'll enter this check procedure several times for every declaration + // to prevent this run check only for the first declaration of a given kind + if (nodeSymbol.declarations && nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; + } + } + // TypeScript 1.0 spec (April 2014) + // 3.7.4: An object type can contain at most one string index signature and one numeric index signature. + // 8.5: A class declaration can have at most one string index member declaration and one numeric index member declaration + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol === null || indexSymbol === void 0 ? void 0 : indexSymbol.declarations) { + var indexSignatureMap_1 = new ts.Map(); + var _loop_27 = function (declaration) { + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + forEachType(getTypeFromTypeNode(declaration.parameters[0].type), function (type) { + var entry = indexSignatureMap_1.get(getTypeId(type)); + if (entry) { + entry.declarations.push(declaration); + } + else { + indexSignatureMap_1.set(getTypeId(type), { type: type, declarations: [declaration] }); + } + }); + } + }; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + _loop_27(declaration); + } + indexSignatureMap_1.forEach(function (entry) { + if (entry.declarations.length > 1) { + for (var _i = 0, _a = entry.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + error(declaration, ts.Diagnostics.Duplicate_index_signature_for_type_0, typeToString(entry.type)); + } + } + }); + } + } + function checkPropertyDeclaration(node) { + // Grammar checking + if (!checkGrammarDecoratorsAndModifiers(node) && !checkGrammarProperty(node)) + checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + setNodeLinksForPrivateIdentifierScope(node); + // property signatures already report "initializer not allowed in ambient context" elsewhere + if (ts.hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */) && node.kind === 167 /* SyntaxKind.PropertyDeclaration */ && node.initializer) { + error(node, ts.Diagnostics.Property_0_cannot_have_an_initializer_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + } + } + function checkPropertySignature(node) { + if (ts.isPrivateIdentifier(node.name)) { + error(node, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies); + } + return checkPropertyDeclaration(node); + } + function checkMethodDeclaration(node) { + // Grammar checking + if (!checkGrammarMethod(node)) + checkGrammarComputedPropertyName(node.name); + // Grammar checking for modifiers is done inside the function checkGrammarFunctionLikeDeclaration + checkFunctionOrMethodDeclaration(node); + // method signatures already report "implementation not allowed in ambient context" elsewhere + if (ts.hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */) && node.kind === 169 /* SyntaxKind.MethodDeclaration */ && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + } + // Private named methods are only allowed in class declarations + if (ts.isPrivateIdentifier(node.name) && !ts.getContainingClass(node)) { + error(node, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies); + } + setNodeLinksForPrivateIdentifierScope(node); + } + function setNodeLinksForPrivateIdentifierScope(node) { + if (ts.isPrivateIdentifier(node.name) && languageVersion < 99 /* ScriptTarget.ESNext */) { + for (var lexicalScope = ts.getEnclosingBlockScopeContainer(node); !!lexicalScope; lexicalScope = ts.getEnclosingBlockScopeContainer(lexicalScope)) { + getNodeLinks(lexicalScope).flags |= 67108864 /* NodeCheckFlags.ContainsClassWithPrivateIdentifiers */; + } + // If this is a private element in a class expression inside the body of a loop, + // then we must use a block-scoped binding to store the additional variables required + // to transform private elements. + if (ts.isClassExpression(node.parent)) { + var enclosingIterationStatement = getEnclosingIterationStatement(node.parent); + if (enclosingIterationStatement) { + getNodeLinks(node.name).flags |= 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + getNodeLinks(enclosingIterationStatement).flags |= 65536 /* NodeCheckFlags.LoopWithCapturedBlockScopedBinding */; + } + } + } + } + function checkClassStaticBlockDeclaration(node) { + checkGrammarDecoratorsAndModifiers(node); + ts.forEachChild(node, checkSourceElement); + } + function checkConstructorDeclaration(node) { + // Grammar check on signature of constructor and modifier of the constructor is done in checkSignatureDeclaration function. + checkSignatureDeclaration(node); + // Grammar check for checking only related to constructorDeclaration + if (!checkGrammarConstructorTypeParameters(node)) + checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + // Only type check the symbol once + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); + } + // exit early in the case of signature - super checks are not relevant to them + if (ts.nodeIsMissing(node.body)) { + return; + } + addLazyDiagnostic(checkConstructorDeclarationDiagnostics); + return; + function isInstancePropertyWithInitializerOrPrivateIdentifierProperty(n) { + if (ts.isPrivateIdentifierClassElementDeclaration(n)) { + return true; + } + return n.kind === 167 /* SyntaxKind.PropertyDeclaration */ && + !ts.isStatic(n) && + !!n.initializer; + } + function checkConstructorDeclarationDiagnostics() { + // TS 1.0 spec (April 2014): 8.3.2 + // Constructors of classes with no extends clause may not contain super calls, whereas + // constructors of derived classes must contain at least one super call somewhere in their function body. + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageElement(containingClassDecl)) { + captureLexicalThis(node.parent, containingClassDecl); + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = findFirstSuperCall(node.body); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + // A super call must be root-level in a constructor if both of the following are true: + // - The containing class is a derived class. + // - The constructor declares parameter properties + // or the containing class declares instance member variables with initializers. + var superCallShouldBeRootLevel = (ts.getEmitScriptTarget(compilerOptions) !== 99 /* ScriptTarget.ESNext */ || !useDefineForClassFields) && + (ts.some(node.parent.members, isInstancePropertyWithInitializerOrPrivateIdentifierProperty) || + ts.some(node.parameters, function (p) { return ts.hasSyntacticModifier(p, 16476 /* ModifierFlags.ParameterPropertyModifier */); })); + if (superCallShouldBeRootLevel) { + // Until we have better flow analysis, it is an error to place the super call within any kind of block or conditional + // See GH #8277 + if (!superCallIsRootLevelInConstructor(superCall, node.body)) { + error(superCall, ts.Diagnostics.A_super_call_must_be_a_root_level_statement_within_a_constructor_of_a_derived_class_that_contains_initialized_properties_parameter_properties_or_private_identifiers); + } + // Skip past any prologue directives to check statements for referring to 'super' or 'this' before a super call + else { + var superCallStatement = void 0; + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (ts.isExpressionStatement(statement) && ts.isSuperCall(ts.skipOuterExpressions(statement.expression))) { + superCallStatement = statement; + break; + } + if (nodeImmediatelyReferencesSuperOrThis(statement)) { + break; + } + } + // Until we have better flow analysis, it is an error to place the super call within any kind of block or conditional + // See GH #8277 + if (superCallStatement === undefined) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_to_refer_to_super_or_this_when_a_derived_class_contains_initialized_properties_parameter_properties_or_private_identifiers); + } + } + } + } + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + } + function superCallIsRootLevelInConstructor(superCall, body) { + var superCallParent = ts.walkUpParenthesizedExpressions(superCall.parent); + return ts.isExpressionStatement(superCallParent) && superCallParent.parent === body; + } + function nodeImmediatelyReferencesSuperOrThis(node) { + if (node.kind === 106 /* SyntaxKind.SuperKeyword */ || node.kind === 108 /* SyntaxKind.ThisKeyword */) { + return true; + } + if (ts.isThisContainerOrFunctionBlock(node)) { + return false; + } + return !!ts.forEachChild(node, nodeImmediatelyReferencesSuperOrThis); + } + function checkAccessorDeclaration(node) { + addLazyDiagnostic(checkAccessorDeclarationDiagnostics); + checkSourceElement(node.body); + setNodeLinksForPrivateIdentifierScope(node); + function checkAccessorDeclarationDiagnostics() { + // Grammar checking accessors + if (!checkGrammarFunctionLikeDeclaration(node) && !checkGrammarAccessor(node)) + checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 172 /* SyntaxKind.GetAccessor */) { + if (!(node.flags & 16777216 /* NodeFlags.Ambient */) && ts.nodeIsPresent(node.body) && (node.flags & 256 /* NodeFlags.HasImplicitReturn */)) { + if (!(node.flags & 512 /* NodeFlags.HasExplicitReturn */)) { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); + } + } + } + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + if (hasBindableName(node)) { + // TypeScript 1.0 spec (April 2014): 8.4.3 + // Accessors for the same member name must specify the same accessibility. + var symbol = getSymbolOfNode(node); + var getter = ts.getDeclarationOfKind(symbol, 172 /* SyntaxKind.GetAccessor */); + var setter = ts.getDeclarationOfKind(symbol, 173 /* SyntaxKind.SetAccessor */); + if (getter && setter && !(getNodeCheckFlags(getter) & 1 /* NodeCheckFlags.TypeChecked */)) { + getNodeLinks(getter).flags |= 1 /* NodeCheckFlags.TypeChecked */; + var getterFlags = ts.getEffectiveModifierFlags(getter); + var setterFlags = ts.getEffectiveModifierFlags(setter); + if ((getterFlags & 128 /* ModifierFlags.Abstract */) !== (setterFlags & 128 /* ModifierFlags.Abstract */)) { + error(getter.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract); + error(setter.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract); + } + if (((getterFlags & 16 /* ModifierFlags.Protected */) && !(setterFlags & (16 /* ModifierFlags.Protected */ | 8 /* ModifierFlags.Private */))) || + ((getterFlags & 8 /* ModifierFlags.Private */) && !(setterFlags & 8 /* ModifierFlags.Private */))) { + error(getter.name, ts.Diagnostics.A_get_accessor_must_be_at_least_as_accessible_as_the_setter); + error(setter.name, ts.Diagnostics.A_get_accessor_must_be_at_least_as_accessible_as_the_setter); + } + var getterType = getAnnotatedAccessorType(getter); + var setterType = getAnnotatedAccessorType(setter); + if (getterType && setterType) { + checkTypeAssignableTo(getterType, setterType, getter, ts.Diagnostics.The_return_type_of_a_get_accessor_must_be_assignable_to_its_set_accessor_type); + } + } + } + var returnType = getTypeOfAccessors(getSymbolOfNode(node)); + if (node.kind === 172 /* SyntaxKind.GetAccessor */) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType); + } + } + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function getEffectiveTypeArguments(node, typeParameters) { + return fillMissingTypeArguments(ts.map(node.typeArguments, getTypeFromTypeNode), typeParameters, getMinTypeArgumentCount(typeParameters), ts.isInJSFile(node)); + } + function checkTypeArgumentConstraints(node, typeParameters) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = getEffectiveTypeArguments(node, typeParameters); + mapper = createTypeMapper(typeParameters, typeArguments); + } + result = result && checkTypeAssignableTo(typeArguments[i], instantiateType(constraint, mapper), node.typeArguments[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + } + } + return result; + } + function getTypeParametersForTypeReference(node) { + var type = getTypeFromTypeReference(node); + if (!isErrorType(type)) { + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol) { + return symbol.flags & 524288 /* SymbolFlags.TypeAlias */ && getSymbolLinks(symbol).typeParameters || + (ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ ? type.target.localTypeParameters : undefined); + } + } + return undefined; + } + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + if (node.kind === 178 /* SyntaxKind.TypeReference */ && node.typeName.jsdocDotPos !== undefined && !ts.isInJSFile(node) && !ts.isInJSDoc(node)) { + grammarErrorAtPos(node, node.typeName.jsdocDotPos, 1, ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments); + } + ts.forEach(node.typeArguments, checkSourceElement); + var type = getTypeFromTypeReference(node); + if (!isErrorType(type)) { + if (node.typeArguments) { + addLazyDiagnostic(function () { + var typeParameters = getTypeParametersForTypeReference(node); + if (typeParameters) { + checkTypeArgumentConstraints(node, typeParameters); + } + }); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol) { + if (ts.some(symbol.declarations, function (d) { return isTypeDeclaration(d) && !!(d.flags & 268435456 /* NodeFlags.Deprecated */); })) { + addDeprecatedSuggestion(getDeprecatedSuggestionNode(node), symbol.declarations, symbol.escapedName); + } + if (type.flags & 32 /* TypeFlags.Enum */ && symbol.flags & 8 /* SymbolFlags.EnumMember */) { + error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type)); + } + } + } + } + function getTypeArgumentConstraint(node) { + var typeReferenceNode = ts.tryCast(node.parent, ts.isTypeReferenceType); + if (!typeReferenceNode) + return undefined; + var typeParameters = getTypeParametersForTypeReference(typeReferenceNode); + if (!typeParameters) + return undefined; + var constraint = getConstraintOfTypeParameter(typeParameters[typeReferenceNode.typeArguments.indexOf(node)]); + return constraint && instantiateType(constraint, createTypeMapper(typeParameters, getEffectiveTypeArguments(typeReferenceNode, typeParameters))); + } + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + addLazyDiagnostic(checkTypeLiteralDiagnostics); + function checkTypeLiteralDiagnostics() { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type, type.symbol); + checkTypeForDuplicateIndexSignatures(node); + checkObjectTypeForDuplicateDeclarations(node); + } + } + function checkArrayType(node) { + checkSourceElement(node.elementType); + } + function checkTupleType(node) { + var elementTypes = node.elements; + var seenOptionalElement = false; + var seenRestElement = false; + var hasNamedElement = ts.some(elementTypes, ts.isNamedTupleMember); + for (var _i = 0, elementTypes_1 = elementTypes; _i < elementTypes_1.length; _i++) { + var e = elementTypes_1[_i]; + if (e.kind !== 197 /* SyntaxKind.NamedTupleMember */ && hasNamedElement) { + grammarErrorOnNode(e, ts.Diagnostics.Tuple_members_must_all_have_names_or_all_not_have_names); + break; + } + var flags = getTupleElementFlags(e); + if (flags & 8 /* ElementFlags.Variadic */) { + var type = getTypeFromTypeNode(e.type); + if (!isArrayLikeType(type)) { + error(e, ts.Diagnostics.A_rest_element_type_must_be_an_array_type); + break; + } + if (isArrayType(type) || isTupleType(type) && type.target.combinedFlags & 4 /* ElementFlags.Rest */) { + seenRestElement = true; + } + } + else if (flags & 4 /* ElementFlags.Rest */) { + if (seenRestElement) { + grammarErrorOnNode(e, ts.Diagnostics.A_rest_element_cannot_follow_another_rest_element); + break; + } + seenRestElement = true; + } + else if (flags & 2 /* ElementFlags.Optional */) { + if (seenRestElement) { + grammarErrorOnNode(e, ts.Diagnostics.An_optional_element_cannot_follow_a_rest_element); + break; + } + seenOptionalElement = true; + } + else if (seenOptionalElement) { + grammarErrorOnNode(e, ts.Diagnostics.A_required_element_cannot_follow_an_optional_element); + break; + } + } + ts.forEach(node.elements, checkSourceElement); + getTypeFromTypeNode(node); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + getTypeFromTypeNode(node); + } + function checkIndexedAccessIndexType(type, accessNode) { + if (!(type.flags & 8388608 /* TypeFlags.IndexedAccess */)) { + return type; + } + // Check if the index type is assignable to 'keyof T' for the object type. + var objectType = type.objectType; + var indexType = type.indexType; + if (isTypeAssignableTo(indexType, getIndexType(objectType, /*stringsOnly*/ false))) { + if (accessNode.kind === 207 /* SyntaxKind.ElementAccessExpression */ && ts.isAssignmentTarget(accessNode) && + ts.getObjectFlags(objectType) & 32 /* ObjectFlags.Mapped */ && getMappedTypeModifiers(objectType) & 1 /* MappedTypeModifiers.IncludeReadonly */) { + error(accessNode, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(objectType)); + } + return type; + } + // Check if we're indexing with a numeric type and if either object or index types + // is a generic type with a constraint that has a numeric index signature. + var apparentObjectType = getApparentType(objectType); + if (getIndexInfoOfType(apparentObjectType, numberType) && isTypeAssignableToKind(indexType, 296 /* TypeFlags.NumberLike */)) { + return type; + } + if (isGenericObjectType(objectType)) { + var propertyName_1 = getPropertyNameFromIndex(indexType, accessNode); + if (propertyName_1) { + var propertySymbol = forEachType(apparentObjectType, function (t) { return getPropertyOfType(t, propertyName_1); }); + if (propertySymbol && ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & 24 /* ModifierFlags.NonPublicAccessibilityModifier */) { + error(accessNode, ts.Diagnostics.Private_or_protected_member_0_cannot_be_accessed_on_a_type_parameter, ts.unescapeLeadingUnderscores(propertyName_1)); + return errorType; + } + } + } + error(accessNode, ts.Diagnostics.Type_0_cannot_be_used_to_index_type_1, typeToString(indexType), typeToString(objectType)); + return errorType; + } + function checkIndexedAccessType(node) { + checkSourceElement(node.objectType); + checkSourceElement(node.indexType); + checkIndexedAccessIndexType(getTypeFromIndexedAccessTypeNode(node), node); + } + function checkMappedType(node) { + checkGrammarMappedType(node); + checkSourceElement(node.typeParameter); + checkSourceElement(node.nameType); + checkSourceElement(node.type); + if (!node.type) { + reportImplicitAny(node, anyType); + } + var type = getTypeFromMappedTypeNode(node); + var nameType = getNameTypeFromMappedType(type); + if (nameType) { + checkTypeAssignableTo(nameType, keyofConstraintType, node.nameType); + } + else { + var constraintType = getConstraintTypeFromMappedType(type); + checkTypeAssignableTo(constraintType, keyofConstraintType, ts.getEffectiveConstraintOfTypeParameter(node.typeParameter)); + } + } + function checkGrammarMappedType(node) { + var _a; + if ((_a = node.members) === null || _a === void 0 ? void 0 : _a.length) { + return grammarErrorOnNode(node.members[0], ts.Diagnostics.A_mapped_type_may_not_declare_properties_or_methods); + } + } + function checkThisType(node) { + getTypeFromThisTypeNode(node); + } + function checkTypeOperator(node) { + checkGrammarTypeOperatorNode(node); + checkSourceElement(node.type); + } + function checkConditionalType(node) { + ts.forEachChild(node, checkSourceElement); + } + function checkInferType(node) { + if (!ts.findAncestor(node, function (n) { return n.parent && n.parent.kind === 189 /* SyntaxKind.ConditionalType */ && n.parent.extendsType === n; })) { + grammarErrorOnNode(node, ts.Diagnostics.infer_declarations_are_only_permitted_in_the_extends_clause_of_a_conditional_type); + } + checkSourceElement(node.typeParameter); + var symbol = getSymbolOfNode(node.typeParameter); + if (symbol.declarations && symbol.declarations.length > 1) { + var links = getSymbolLinks(symbol); + if (!links.typeParametersChecked) { + links.typeParametersChecked = true; + var typeParameter = getDeclaredTypeOfTypeParameter(symbol); + var declarations = ts.getDeclarationsOfKind(symbol, 163 /* SyntaxKind.TypeParameter */); + if (!areTypeParametersIdentical(declarations, [typeParameter], function (decl) { return [decl]; })) { + // Report an error on every conflicting declaration. + var name = symbolToString(symbol); + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var declaration = declarations_4[_i]; + error(declaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_constraints, name); + } + } + } + } + registerForUnusedIdentifiersCheck(node); + } + function checkTemplateLiteralType(node) { + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span = _a[_i]; + checkSourceElement(span.type); + var type = getTypeFromTypeNode(span.type); + checkTypeAssignableTo(type, templateConstraintType, span.type); + } + getTypeFromTypeNode(node); + } + function checkImportType(node) { + checkSourceElement(node.argument); + if (node.assertions) { + var override = ts.getResolutionModeOverrideForClause(node.assertions.assertClause, grammarErrorOnNode); + if (override) { + if (!ts.isNightly()) { + grammarErrorOnNode(node.assertions.assertClause, ts.Diagnostics.resolution_mode_assertions_are_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next); + } + if (ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.Node16 && ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeNext) { + grammarErrorOnNode(node.assertions.assertClause, ts.Diagnostics.resolution_mode_assertions_are_only_supported_when_moduleResolution_is_node16_or_nodenext); + } + } + } + getTypeFromTypeNode(node); + } + function checkNamedTupleMember(node) { + if (node.dotDotDotToken && node.questionToken) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_member_cannot_be_both_optional_and_rest); + } + if (node.type.kind === 185 /* SyntaxKind.OptionalType */) { + grammarErrorOnNode(node.type, ts.Diagnostics.A_labeled_tuple_element_is_declared_as_optional_with_a_question_mark_after_the_name_and_before_the_colon_rather_than_after_the_type); + } + if (node.type.kind === 186 /* SyntaxKind.RestType */) { + grammarErrorOnNode(node.type, ts.Diagnostics.A_labeled_tuple_element_is_declared_as_rest_with_a_before_the_name_rather_than_before_the_type); + } + checkSourceElement(node.type); + getTypeFromTypeNode(node); + } + function isPrivateWithinAmbient(node) { + return (ts.hasEffectiveModifier(node, 8 /* ModifierFlags.Private */) || ts.isPrivateIdentifierClassElementDeclaration(node)) && !!(node.flags & 16777216 /* NodeFlags.Ambient */); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedModifierFlags(n); + // children of classes (even ambient classes) should not be marked as ambient or export + // because those flags have no useful semantics there. + if (n.parent.kind !== 258 /* SyntaxKind.InterfaceDeclaration */ && + n.parent.kind !== 257 /* SyntaxKind.ClassDeclaration */ && + n.parent.kind !== 226 /* SyntaxKind.ClassExpression */ && + n.flags & 16777216 /* NodeFlags.Ambient */) { + if (!(flags & 2 /* ModifierFlags.Ambient */) && !(ts.isModuleBlock(n.parent) && ts.isModuleDeclaration(n.parent.parent) && ts.isGlobalScopeAugmentation(n.parent.parent))) { + // It is nested in an ambient context, which means it is automatically exported + flags |= 1 /* ModifierFlags.Export */; + } + flags |= 2 /* ModifierFlags.Ambient */; + } + return flags & flagsToCheck; + } + function checkFunctionOrConstructorSymbol(symbol) { + addLazyDiagnostic(function () { return checkFunctionOrConstructorSymbolWorker(symbol); }); + } + function checkFunctionOrConstructorSymbolWorker(symbol) { + function getCanonicalOverload(overloads, implementation) { + // Consider the canonical set of flags to be the flags of the bodyDeclaration or the first declaration + // Error on all deviations from this canonical set of flags + // The caveat is that if some overloads are defined in lib.d.ts, we don't want to + // report the errors on those. To achieve this, we will say that the implementation is + // the canonical signature only if it is in the same container as the first overload + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + // Error if some overloads have a flag that is not shared by all overloads. To find the + // deviations, we XOR someOverloadFlags with allOverloadFlags + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 1 /* ModifierFlags.Export */) { + error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported); + } + else if (deviation & 2 /* ModifierFlags.Ambient */) { + error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); + } + else if (deviation & (8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */)) { + error(ts.getNameOfDeclaration(o) || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + } + else if (deviation & 128 /* ModifierFlags.Abstract */) { + error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract); + } + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); + } + }); + } + } + var flagsToCheck = 1 /* ModifierFlags.Export */ | 2 /* ModifierFlags.Ambient */ | 8 /* ModifierFlags.Private */ | 16 /* ModifierFlags.Protected */ | 128 /* ModifierFlags.Abstract */; + var someNodeFlags = 0 /* ModifierFlags.None */; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384 /* SymbolFlags.Constructor */) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + // We may be here because of some extra nodes between overloads that could not be parsed into a valid node. + // In this case the subsequent node is not really consecutive (.pos !== node.end), and we must ignore it here. + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + var subsequentName = subsequentNode.name; + if (node.name && subsequentName && ( + // both are private identifiers + ts.isPrivateIdentifier(node.name) && ts.isPrivateIdentifier(subsequentName) && node.name.escapedText === subsequentName.escapedText || + // Both are computed property names + // TODO: GH#17345: These are methods, so handle computed name case. (`Always allowing computed property names is *not* the correct behavior!) + ts.isComputedPropertyName(node.name) && ts.isComputedPropertyName(subsequentName) || + // Both are literal property names that are the same. + ts.isPropertyNameLiteral(node.name) && ts.isPropertyNameLiteral(subsequentName) && + ts.getEscapedTextOfIdentifierOrLiteral(node.name) === ts.getEscapedTextOfIdentifierOrLiteral(subsequentName))) { + var reportError = (node.kind === 169 /* SyntaxKind.MethodDeclaration */ || node.kind === 168 /* SyntaxKind.MethodSignature */) && + ts.isStatic(node) !== ts.isStatic(subsequentNode); + // we can get here in two cases + // 1. mixed static and instance class members + // 2. something with the same name was defined before the set of overloads that prevents them from merging + // here we'll report error only for the first case since for second we should already report error in binder + if (reportError) { + var diagnostic = ts.isStatic(node) ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); + } + return; + } + if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; + } + } + } + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); + } + else { + // Report different errors regarding non-consecutive blocks of declarations depending on whether + // the node in question is abstract. + if (ts.hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */)) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } + } + } + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + var hasNonAmbientClass = false; + var functionDeclarations = []; + if (declarations) { + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var current = declarations_5[_i]; + var node = current; + var inAmbientContext = node.flags & 16777216 /* NodeFlags.Ambient */; + var inAmbientContextOrInterface = node.parent && (node.parent.kind === 258 /* SyntaxKind.InterfaceDeclaration */ || node.parent.kind === 182 /* SyntaxKind.TypeLiteral */) || inAmbientContext; + if (inAmbientContextOrInterface) { + // check if declarations are consecutive only if they are non-ambient + // 1. ambient declarations can be interleaved + // i.e. this is legal + // declare function foo(); + // declare function bar(); + // declare function foo(); + // 2. mixing ambient and non-ambient declarations is a separate error that will be reported - do not want to report an extra one + previousDeclaration = undefined; + } + if ((node.kind === 257 /* SyntaxKind.ClassDeclaration */ || node.kind === 226 /* SyntaxKind.ClassExpression */) && !inAmbientContext) { + hasNonAmbientClass = true; + } + if (node.kind === 256 /* SyntaxKind.FunctionDeclaration */ || node.kind === 169 /* SyntaxKind.MethodDeclaration */ || node.kind === 168 /* SyntaxKind.MethodSignature */ || node.kind === 171 /* SyntaxKind.Constructor */) { + functionDeclarations.push(node); + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + var bodyIsPresent = ts.nodeIsPresent(node.body); + if (bodyIsPresent && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if ((previousDeclaration === null || previousDeclaration === void 0 ? void 0 : previousDeclaration.parent) === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (bodyIsPresent) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } + } + } + } + if (multipleConstructorImplementation) { + ts.forEach(functionDeclarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); + } + if (duplicateFunctionDeclaration) { + ts.forEach(functionDeclarations, function (declaration) { + error(ts.getNameOfDeclaration(declaration) || declaration, ts.Diagnostics.Duplicate_function_implementation); + }); + } + if (hasNonAmbientClass && !isConstructor && symbol.flags & 16 /* SymbolFlags.Function */ && declarations) { + var relatedDiagnostics_1 = ts.filter(declarations, function (d) { return d.kind === 257 /* SyntaxKind.ClassDeclaration */; }) + .map(function (d) { return ts.createDiagnosticForNode(d, ts.Diagnostics.Consider_adding_a_declare_modifier_to_this_class); }); + ts.forEach(declarations, function (declaration) { + var diagnostic = declaration.kind === 257 /* SyntaxKind.ClassDeclaration */ + ? ts.Diagnostics.Class_declaration_cannot_implement_overload_list_for_0 + : declaration.kind === 256 /* SyntaxKind.FunctionDeclaration */ + ? ts.Diagnostics.Function_with_bodies_can_only_merge_with_classes_that_are_ambient + : undefined; + if (diagnostic) { + ts.addRelatedInfo.apply(void 0, __spreadArray([error(ts.getNameOfDeclaration(declaration) || declaration, diagnostic, ts.symbolName(symbol))], relatedDiagnostics_1, false)); + } + }); + } + // Abstract methods can't have an implementation -- in particular, they don't need one. + if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !ts.hasSyntacticModifier(lastSeenNonAmbientDeclaration, 128 /* ModifierFlags.Abstract */) && !lastSeenNonAmbientDeclaration.questionToken) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + } + if (hasOverloads) { + if (declarations) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + } + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + for (var _a = 0, signatures_10 = signatures; _a < signatures_10.length; _a++) { + var signature = signatures_10[_a]; + if (!isImplementationCompatibleWithOverload(bodySignature, signature)) { + ts.addRelatedInfo(error(signature.declaration, ts.Diagnostics.This_overload_signature_is_not_compatible_with_its_implementation_signature), ts.createDiagnosticForNode(bodyDeclaration, ts.Diagnostics.The_implementation_signature_is_declared_here)); + break; + } + } + } + } + } + function checkExportsOnMergedDeclarations(node) { + addLazyDiagnostic(function () { return checkExportsOnMergedDeclarationsWorker(node); }); + } + function checkExportsOnMergedDeclarationsWorker(node) { + // if localSymbol is defined on node then node itself is exported - check is required + var symbol = node.localSymbol; + if (!symbol) { + // local symbol is undefined => this declaration is non-exported. + // however symbol might contain other declarations that are exported + symbol = getSymbolOfNode(node); + if (!symbol.exportSymbol) { + // this is a pure local symbol (all declarations are non-exported) - no need to check anything + return; + } + } + // run the check only for the first declaration in the list + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + var exportedDeclarationSpaces = 0 /* DeclarationSpaces.None */; + var nonExportedDeclarationSpaces = 0 /* DeclarationSpaces.None */; + var defaultExportedDeclarationSpaces = 0 /* DeclarationSpaces.None */; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 /* ModifierFlags.Export */ | 512 /* ModifierFlags.Default */); + if (effectiveDeclarationFlags & 1 /* ModifierFlags.Export */) { + if (effectiveDeclarationFlags & 512 /* ModifierFlags.Default */) { + defaultExportedDeclarationSpaces |= declarationSpaces; + } + else { + exportedDeclarationSpaces |= declarationSpaces; + } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } + } + // Spaces for anything not declared a 'default export'. + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + // declaration spaces for exported and non-exported declarations intersect + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + var name = ts.getNameOfDeclaration(d); + // Only error on the declarations that contributed to the intersecting spaces. + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(name)); + } + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(name)); + } + } + } + function getDeclarationSpaces(decl) { + var d = decl; + switch (d.kind) { + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + // A jsdoc typedef and callback are, by definition, type aliases. + // falls through + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + return 2 /* DeclarationSpaces.ExportType */; + case 261 /* SyntaxKind.ModuleDeclaration */: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 /* ModuleInstanceState.NonInstantiated */ + ? 4 /* DeclarationSpaces.ExportNamespace */ | 1 /* DeclarationSpaces.ExportValue */ + : 4 /* DeclarationSpaces.ExportNamespace */; + case 257 /* SyntaxKind.ClassDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 299 /* SyntaxKind.EnumMember */: + return 2 /* DeclarationSpaces.ExportType */ | 1 /* DeclarationSpaces.ExportValue */; + case 305 /* SyntaxKind.SourceFile */: + return 2 /* DeclarationSpaces.ExportType */ | 1 /* DeclarationSpaces.ExportValue */ | 4 /* DeclarationSpaces.ExportNamespace */; + case 271 /* SyntaxKind.ExportAssignment */: + case 221 /* SyntaxKind.BinaryExpression */: + var node_2 = d; + var expression = ts.isExportAssignment(node_2) ? node_2.expression : node_2.right; + // Export assigned entity name expressions act as aliases and should fall through, otherwise they export values + if (!ts.isEntityNameExpression(expression)) { + return 1 /* DeclarationSpaces.ExportValue */; + } + d = expression; + // The below options all declare an Alias, which is allowed to merge with other values within the importing module. + // falls through + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 268 /* SyntaxKind.NamespaceImport */: + case 267 /* SyntaxKind.ImportClause */: + var result_12 = 0 /* DeclarationSpaces.None */; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { + result_12 |= getDeclarationSpaces(d); + }); + return result_12; + case 254 /* SyntaxKind.VariableDeclaration */: + case 203 /* SyntaxKind.BindingElement */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 270 /* SyntaxKind.ImportSpecifier */: // https://github.com/Microsoft/TypeScript/pull/7591 + case 79 /* SyntaxKind.Identifier */: // https://github.com/microsoft/TypeScript/issues/36098 + // Identifiers are used as declarations of assignment declarations whose parents may be + // SyntaxKind.CallExpression - `Object.defineProperty(thing, "aField", {value: 42});` + // SyntaxKind.ElementAccessExpression - `thing["aField"] = 42;` or `thing["aField"];` (with a doc comment on it) + // or SyntaxKind.PropertyAccessExpression - `thing.aField = 42;` + // all of which are pretty much always values, or at least imply a value meaning. + // It may be apprpriate to treat these as aliases in the future. + return 1 /* DeclarationSpaces.ExportValue */; + default: + return ts.Debug.failBadSyntaxKind(d); + } + } + } + function getAwaitedTypeOfPromise(type, errorNode, diagnosticMessage, arg0) { + var promisedType = getPromisedTypeOfPromise(type, errorNode); + return promisedType && getAwaitedType(promisedType, errorNode, diagnosticMessage, arg0); + } + /** + * Gets the "promised type" of a promise. + * @param type The type of the promise. + * @remarks The "promised type" of a type is the type of the "value" parameter of the "onfulfilled" callback. + */ + function getPromisedTypeOfPromise(type, errorNode) { + // + // { // type + // then( // thenFunction + // onfulfilled: ( // onfulfilledParameterType + // value: T // valueParameterType + // ) => any + // ): any; + // } + // + if (isTypeAny(type)) { + return undefined; + } + var typeAsPromise = type; + if (typeAsPromise.promisedTypeOfPromise) { + return typeAsPromise.promisedTypeOfPromise; + } + if (isReferenceToType(type, getGlobalPromiseType(/*reportErrors*/ false))) { + return typeAsPromise.promisedTypeOfPromise = getTypeArguments(type)[0]; + } + // primitives with a `{ then() }` won't be unwrapped/adopted. + if (allTypesAssignableToKind(type, 131068 /* TypeFlags.Primitive */ | 131072 /* TypeFlags.Never */)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(type, "then"); // TODO: GH#18217 + if (isTypeAny(thenFunction)) { + return undefined; + } + var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0 /* SignatureKind.Call */) : ts.emptyArray; + if (thenSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.A_promise_must_have_a_then_method); + } + return undefined; + } + var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 2097152 /* TypeFacts.NEUndefinedOrNull */); + if (isTypeAny(onfulfilledParameterType)) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0 /* SignatureKind.Call */); + if (onfulfilledParameterSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback); + } + return undefined; + } + return typeAsPromise.promisedTypeOfPromise = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), 2 /* UnionReduction.Subtype */); + } + /** + * Gets the "awaited type" of a type. + * @param type The type to await. + * @param withAlias When `true`, wraps the "awaited type" in `Awaited` if needed. + * @remarks The "awaited type" of an expression is its "promised type" if the expression is a + * Promise-like type; otherwise, it is the type of the expression. This is used to reflect + * The runtime behavior of the `await` keyword. + */ + function checkAwaitedType(type, withAlias, errorNode, diagnosticMessage, arg0) { + var awaitedType = withAlias ? + getAwaitedType(type, errorNode, diagnosticMessage, arg0) : + getAwaitedTypeNoAlias(type, errorNode, diagnosticMessage, arg0); + return awaitedType || errorType; + } + /** + * Determines whether a type is an object with a callable `then` member. + */ + function isThenableType(type) { + if (allTypesAssignableToKind(type, 131068 /* TypeFlags.Primitive */ | 131072 /* TypeFlags.Never */)) { + // primitive types cannot be considered "thenable" since they are not objects. + return false; + } + var thenFunction = getTypeOfPropertyOfType(type, "then"); + return !!thenFunction && getSignaturesOfType(getTypeWithFacts(thenFunction, 2097152 /* TypeFacts.NEUndefinedOrNull */), 0 /* SignatureKind.Call */).length > 0; + } + function isAwaitedTypeInstantiation(type) { + var _a; + if (type.flags & 16777216 /* TypeFlags.Conditional */) { + var awaitedSymbol = getGlobalAwaitedSymbol(/*reportErrors*/ false); + return !!awaitedSymbol && type.aliasSymbol === awaitedSymbol && ((_a = type.aliasTypeArguments) === null || _a === void 0 ? void 0 : _a.length) === 1; + } + return false; + } + /** + * For a generic `Awaited`, gets `T`. + */ + function unwrapAwaitedType(type) { + return type.flags & 1048576 /* TypeFlags.Union */ ? mapType(type, unwrapAwaitedType) : + isAwaitedTypeInstantiation(type) ? type.aliasTypeArguments[0] : + type; + } + function createAwaitedTypeIfNeeded(type) { + // We wrap type `T` in `Awaited` based on the following conditions: + // - `T` is not already an `Awaited`, and + // - `T` is generic, and + // - One of the following applies: + // - `T` has no base constraint, or + // - The base constraint of `T` is `any`, `unknown`, `object`, or `{}`, or + // - The base constraint of `T` is an object type with a callable `then` method. + if (isTypeAny(type)) { + return type; + } + // If this is already an `Awaited`, just return it. This helps to avoid `Awaited>` in higher-order. + if (isAwaitedTypeInstantiation(type)) { + return type; + } + // Only instantiate `Awaited` if `T` contains possibly non-primitive types. + if (isGenericObjectType(type)) { + var baseConstraint = getBaseConstraintOfType(type); + // Only instantiate `Awaited` if `T` has no base constraint, or the base constraint of `T` is `any`, `unknown`, `{}`, `object`, + // or is promise-like. + if (!baseConstraint || (baseConstraint.flags & 3 /* TypeFlags.AnyOrUnknown */) || isEmptyObjectType(baseConstraint) || isThenableType(baseConstraint)) { + // Nothing to do if `Awaited` doesn't exist + var awaitedSymbol = getGlobalAwaitedSymbol(/*reportErrors*/ true); + if (awaitedSymbol) { + // Unwrap unions that may contain `Awaited`, otherwise its possible to manufacture an `Awaited | U>` where + // an `Awaited` would suffice. + return getTypeAliasInstantiation(awaitedSymbol, [unwrapAwaitedType(type)]); + } + } + } + ts.Debug.assert(getPromisedTypeOfPromise(type) === undefined, "type provided should not be a non-generic 'promise'-like."); + return type; + } + /** + * Gets the "awaited type" of a type. + * + * The "awaited type" of an expression is its "promised type" if the expression is a + * Promise-like type; otherwise, it is the type of the expression. If the "promised + * type" is itself a Promise-like, the "promised type" is recursively unwrapped until a + * non-promise type is found. + * + * This is used to reflect the runtime behavior of the `await` keyword. + */ + function getAwaitedType(type, errorNode, diagnosticMessage, arg0) { + var awaitedType = getAwaitedTypeNoAlias(type, errorNode, diagnosticMessage, arg0); + return awaitedType && createAwaitedTypeIfNeeded(awaitedType); + } + /** + * Gets the "awaited type" of a type without introducing an `Awaited` wrapper. + * + * @see {@link getAwaitedType} + */ + function getAwaitedTypeNoAlias(type, errorNode, diagnosticMessage, arg0) { + if (isTypeAny(type)) { + return type; + } + // If this is already an `Awaited`, just return it. This avoids `Awaited>` in higher-order + if (isAwaitedTypeInstantiation(type)) { + return type; + } + // If we've already cached an awaited type, return a possible `Awaited` for it. + var typeAsAwaitable = type; + if (typeAsAwaitable.awaitedTypeOfType) { + return typeAsAwaitable.awaitedTypeOfType; + } + // For a union, get a union of the awaited types of each constituent. + if (type.flags & 1048576 /* TypeFlags.Union */) { + var mapper = errorNode ? function (constituentType) { return getAwaitedTypeNoAlias(constituentType, errorNode, diagnosticMessage, arg0); } : getAwaitedTypeNoAlias; + return typeAsAwaitable.awaitedTypeOfType = mapType(type, mapper); + } + var promisedType = getPromisedTypeOfPromise(type); + if (promisedType) { + if (type.id === promisedType.id || awaitedTypeStack.lastIndexOf(promisedType.id) >= 0) { + // Verify that we don't have a bad actor in the form of a promise whose + // promised type is the same as the promise type, or a mutually recursive + // promise. If so, we return undefined as we cannot guess the shape. If this + // were the actual case in the JavaScript, this Promise would never resolve. + // + // An example of a bad actor with a singly-recursive promise type might + // be: + // + // interface BadPromise { + // then( + // onfulfilled: (value: BadPromise) => any, + // onrejected: (error: any) => any): BadPromise; + // } + // + // The above interface will pass the PromiseLike check, and return a + // promised type of `BadPromise`. Since this is a self reference, we + // don't want to keep recursing ad infinitum. + // + // An example of a bad actor in the form of a mutually-recursive + // promise type might be: + // + // interface BadPromiseA { + // then( + // onfulfilled: (value: BadPromiseB) => any, + // onrejected: (error: any) => any): BadPromiseB; + // } + // + // interface BadPromiseB { + // then( + // onfulfilled: (value: BadPromiseA) => any, + // onrejected: (error: any) => any): BadPromiseA; + // } + // + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method); + } + return undefined; + } + // Keep track of the type we're about to unwrap to avoid bad recursive promise types. + // See the comments above for more information. + awaitedTypeStack.push(type.id); + var awaitedType = getAwaitedTypeNoAlias(promisedType, errorNode, diagnosticMessage, arg0); + awaitedTypeStack.pop(); + if (!awaitedType) { + return undefined; + } + return typeAsAwaitable.awaitedTypeOfType = awaitedType; + } + // The type was not a promise, so it could not be unwrapped any further. + // As long as the type does not have a callable "then" property, it is + // safe to return the type; otherwise, an error is reported and we return + // undefined. + // + // An example of a non-promise "thenable" might be: + // + // await { then(): void {} } + // + // The "thenable" does not match the minimal definition for a promise. When + // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise + // will never settle. We treat this as an error to help flag an early indicator + // of a runtime problem. If the user wants to return this value from an async + // function, they would need to wrap it in some other value. If they want it to + // be treated as a promise, they can cast to . + if (isThenableType(type)) { + if (errorNode) { + ts.Debug.assertIsDefined(diagnosticMessage); + error(errorNode, diagnosticMessage, arg0); + } + return undefined; + } + return typeAsAwaitable.awaitedTypeOfType = type; + } + /** + * Checks the return type of an async function to ensure it is a compatible + * Promise implementation. + * + * This checks that an async function has a valid Promise-compatible return type. + * An async function has a valid Promise-compatible return type if the resolved value + * of the return type has a construct signature that takes in an `initializer` function + * that in turn supplies a `resolve` function as one of its arguments and results in an + * object with a callable `then` signature. + * + * @param node The signature to check + */ + function checkAsyncFunctionReturnType(node, returnTypeNode) { + // As part of our emit for an async function, we will need to emit the entity name of + // the return type annotation as an expression. To meet the necessary runtime semantics + // for __awaiter, we must also check that the type of the declaration (e.g. the static + // side or "constructor" of the promise type) is compatible `PromiseConstructorLike`. + // + // An example might be (from lib.es6.d.ts): + // + // interface Promise { ... } + // interface PromiseConstructor { + // new (...): Promise; + // } + // declare var Promise: PromiseConstructor; + // + // When an async function declares a return type annotation of `Promise`, we + // need to get the type of the `Promise` variable declaration above, which would + // be `PromiseConstructor`. + // + // The same case applies to a class: + // + // declare class Promise { + // constructor(...); + // then(...): Promise; + // } + // + var returnType = getTypeFromTypeNode(returnTypeNode); + if (languageVersion >= 2 /* ScriptTarget.ES2015 */) { + if (isErrorType(returnType)) { + return; + } + var globalPromiseType = getGlobalPromiseType(/*reportErrors*/ true); + if (globalPromiseType !== emptyGenericType && !isReferenceToType(returnType, globalPromiseType)) { + // The promise type was not a valid type reference to the global promise type, so we + // report an error and return the unknown type. + error(returnTypeNode, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_Did_you_mean_to_write_Promise_0, typeToString(getAwaitedTypeNoAlias(returnType) || voidType)); + return; + } + } + else { + // Always mark the type node as referenced if it points to a value + markTypeNodeAsReferenced(returnTypeNode); + if (isErrorType(returnType)) { + return; + } + var promiseConstructorName = ts.getEntityNameFromTypeNode(returnTypeNode); + if (promiseConstructorName === undefined) { + error(returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value, typeToString(returnType)); + return; + } + var promiseConstructorSymbol = resolveEntityName(promiseConstructorName, 111551 /* SymbolFlags.Value */, /*ignoreErrors*/ true); + var promiseConstructorType = promiseConstructorSymbol ? getTypeOfSymbol(promiseConstructorSymbol) : errorType; + if (isErrorType(promiseConstructorType)) { + if (promiseConstructorName.kind === 79 /* SyntaxKind.Identifier */ && promiseConstructorName.escapedText === "Promise" && getTargetType(returnType) === getGlobalPromiseType(/*reportErrors*/ false)) { + error(returnTypeNode, ts.Diagnostics.An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option); + } + else { + error(returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value, ts.entityNameToString(promiseConstructorName)); + } + return; + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(/*reportErrors*/ true); + if (globalPromiseConstructorLikeType === emptyObjectType) { + // If we couldn't resolve the global PromiseConstructorLike type we cannot verify + // compatibility with __awaiter. + error(returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value, ts.entityNameToString(promiseConstructorName)); + return; + } + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value)) { + return; + } + // Verify there is no local declaration that could collide with the promise constructor. + var rootName = promiseConstructorName && ts.getFirstIdentifier(promiseConstructorName); + var collidingSymbol = getSymbol(node.locals, rootName.escapedText, 111551 /* SymbolFlags.Value */); + if (collidingSymbol) { + error(collidingSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, ts.idText(rootName), ts.entityNameToString(promiseConstructorName)); + return; + } + } + checkAwaitedType(returnType, /*withAlias*/ false, node, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member); + } + /** Check a decorator */ + function checkDecorator(node) { + var signature = getResolvedSignature(node); + checkDeprecatedSignature(signature, node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1 /* TypeFlags.Any */) { + return; + } + var headMessage; + var expectedReturnType; + switch (node.parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + headMessage = ts.Diagnostics.Decorator_function_return_type_0_is_not_assignable_to_type_1; + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + case 164 /* SyntaxKind.Parameter */: + headMessage = ts.Diagnostics.Decorator_function_return_type_is_0_but_is_expected_to_be_void_or_any; + expectedReturnType = voidType; + break; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + headMessage = ts.Diagnostics.Decorator_function_return_type_0_is_not_assignable_to_type_1; + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + default: + return ts.Debug.fail(); + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage); + } + /** + * If a TypeNode can be resolved to a value symbol imported from an external module, it is + * marked as referenced to prevent import elision. + */ + function markTypeNodeAsReferenced(node) { + markEntityNameOrEntityExpressionAsReference(node && ts.getEntityNameFromTypeNode(node), /*forDecoratorMetadata*/ false); + } + function markEntityNameOrEntityExpressionAsReference(typeName, forDecoratorMetadata) { + if (!typeName) + return; + var rootName = ts.getFirstIdentifier(typeName); + var meaning = (typeName.kind === 79 /* SyntaxKind.Identifier */ ? 788968 /* SymbolFlags.Type */ : 1920 /* SymbolFlags.Namespace */) | 2097152 /* SymbolFlags.Alias */; + var rootSymbol = resolveName(rootName, rootName.escapedText, meaning, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isReference*/ true); + if (rootSymbol && rootSymbol.flags & 2097152 /* SymbolFlags.Alias */) { + if (symbolIsValue(rootSymbol) + && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol)) + && !getTypeOnlyAliasDeclaration(rootSymbol)) { + markAliasSymbolAsReferenced(rootSymbol); + } + else if (forDecoratorMetadata + && compilerOptions.isolatedModules + && ts.getEmitModuleKind(compilerOptions) >= ts.ModuleKind.ES2015 + && !symbolIsValue(rootSymbol) + && !ts.some(rootSymbol.declarations, ts.isTypeOnlyImportOrExportDeclaration)) { + var diag = error(typeName, ts.Diagnostics.A_type_referenced_in_a_decorated_signature_must_be_imported_with_import_type_or_a_namespace_import_when_isolatedModules_and_emitDecoratorMetadata_are_enabled); + var aliasDeclaration = ts.find(rootSymbol.declarations || ts.emptyArray, isAliasSymbolDeclaration); + if (aliasDeclaration) { + ts.addRelatedInfo(diag, ts.createDiagnosticForNode(aliasDeclaration, ts.Diagnostics._0_was_imported_here, ts.idText(rootName))); + } + } + } + } + /** + * This function marks the type used for metadata decorator as referenced if it is import + * from external module. + * This is different from markTypeNodeAsReferenced because it tries to simplify type nodes in + * union and intersection type + * @param node + */ + function markDecoratorMedataDataTypeNodeAsReferenced(node) { + var entityName = getEntityNameForDecoratorMetadata(node); + if (entityName && ts.isEntityName(entityName)) { + markEntityNameOrEntityExpressionAsReference(entityName, /*forDecoratorMetadata*/ true); + } + } + function getEntityNameForDecoratorMetadata(node) { + if (node) { + switch (node.kind) { + case 188 /* SyntaxKind.IntersectionType */: + case 187 /* SyntaxKind.UnionType */: + return getEntityNameForDecoratorMetadataFromTypeList(node.types); + case 189 /* SyntaxKind.ConditionalType */: + return getEntityNameForDecoratorMetadataFromTypeList([node.trueType, node.falseType]); + case 191 /* SyntaxKind.ParenthesizedType */: + case 197 /* SyntaxKind.NamedTupleMember */: + return getEntityNameForDecoratorMetadata(node.type); + case 178 /* SyntaxKind.TypeReference */: + return node.typeName; + } + } + } + function getEntityNameForDecoratorMetadataFromTypeList(types) { + var commonEntityName; + for (var _i = 0, types_22 = types; _i < types_22.length; _i++) { + var typeNode = types_22[_i]; + while (typeNode.kind === 191 /* SyntaxKind.ParenthesizedType */ || typeNode.kind === 197 /* SyntaxKind.NamedTupleMember */) { + typeNode = typeNode.type; // Skip parens if need be + } + if (typeNode.kind === 143 /* SyntaxKind.NeverKeyword */) { + continue; // Always elide `never` from the union/intersection if possible + } + if (!strictNullChecks && (typeNode.kind === 196 /* SyntaxKind.LiteralType */ && typeNode.literal.kind === 104 /* SyntaxKind.NullKeyword */ || typeNode.kind === 153 /* SyntaxKind.UndefinedKeyword */)) { + continue; // Elide null and undefined from unions for metadata, just like what we did prior to the implementation of strict null checks + } + var individualEntityName = getEntityNameForDecoratorMetadata(typeNode); + if (!individualEntityName) { + // Individual is something like string number + // So it would be serialized to either that type or object + // Safe to return here + return undefined; + } + if (commonEntityName) { + // Note this is in sync with the transformation that happens for type node. + // Keep this in sync with serializeUnionOrIntersectionType + // Verify if they refer to same entity and is identifier + // return undefined if they dont match because we would emit object + if (!ts.isIdentifier(commonEntityName) || + !ts.isIdentifier(individualEntityName) || + commonEntityName.escapedText !== individualEntityName.escapedText) { + return undefined; + } + } + else { + commonEntityName = individualEntityName; + } + } + return commonEntityName; + } + function getParameterTypeNodeForDecoratorCheck(node) { + var typeNode = ts.getEffectiveTypeAnnotationNode(node); + return ts.isRestParameter(node) ? ts.getRestParameterElementType(typeNode) : typeNode; + } + /** Check the decorators of a node */ + function checkDecorators(node) { + if (!node.decorators) { + return; + } + // skip this check for nodes that cannot have decorators. These should have already had an error reported by + // checkGrammarDecorators. + if (!ts.nodeCanBeDecorated(node, node.parent, node.parent.parent)) { + return; + } + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning); + } + var firstDecorator = node.decorators[0]; + checkExternalEmitHelpers(firstDecorator, 8 /* ExternalEmitHelpers.Decorate */); + if (node.kind === 164 /* SyntaxKind.Parameter */) { + checkExternalEmitHelpers(firstDecorator, 32 /* ExternalEmitHelpers.Param */); + } + if (compilerOptions.emitDecoratorMetadata) { + checkExternalEmitHelpers(firstDecorator, 16 /* ExternalEmitHelpers.Metadata */); + // we only need to perform these checks if we are emitting serialized type metadata for the target of a decorator. + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + for (var _i = 0, _a = constructor.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(parameter)); + } + } + break; + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + var otherKind = node.kind === 172 /* SyntaxKind.GetAccessor */ ? 173 /* SyntaxKind.SetAccessor */ : 172 /* SyntaxKind.GetAccessor */; + var otherAccessor = ts.getDeclarationOfKind(getSymbolOfNode(node), otherKind); + markDecoratorMedataDataTypeNodeAsReferenced(getAnnotatedAccessorTypeNode(node) || otherAccessor && getAnnotatedAccessorTypeNode(otherAccessor)); + break; + case 169 /* SyntaxKind.MethodDeclaration */: + for (var _b = 0, _c = node.parameters; _b < _c.length; _b++) { + var parameter = _c[_b]; + markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(parameter)); + } + markDecoratorMedataDataTypeNodeAsReferenced(ts.getEffectiveReturnTypeNode(node)); + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + markDecoratorMedataDataTypeNodeAsReferenced(ts.getEffectiveTypeAnnotationNode(node)); + break; + case 164 /* SyntaxKind.Parameter */: + markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(node)); + var containingSignature = node.parent; + for (var _d = 0, _e = containingSignature.parameters; _d < _e.length; _d++) { + var parameter = _e[_d]; + markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(parameter)); + } + break; + } + } + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + addLazyDiagnostic(checkFunctionDeclarationDiagnostics); + function checkFunctionDeclarationDiagnostics() { + checkFunctionOrMethodDeclaration(node); + checkGrammarForGenerator(node); + checkCollisionsForDeclarationName(node, node.name); + } + } + function checkJSDocTypeAliasTag(node) { + if (!node.typeExpression) { + // If the node had `@property` tags, `typeExpression` would have been set to the first property tag. + error(node.name, ts.Diagnostics.JSDoc_typedef_tag_should_either_have_a_type_annotation_or_be_followed_by_property_or_member_tags); + } + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + } + checkSourceElement(node.typeExpression); + checkTypeParameters(ts.getEffectiveTypeParameterDeclarations(node)); + } + function checkJSDocTemplateTag(node) { + checkSourceElement(node.constraint); + for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) { + var tp = _a[_i]; + checkSourceElement(tp); + } + } + function checkJSDocTypeTag(node) { + checkSourceElement(node.typeExpression); + } + function checkJSDocParameterTag(node) { + checkSourceElement(node.typeExpression); + } + function checkJSDocPropertyTag(node) { + checkSourceElement(node.typeExpression); + } + function checkJSDocFunctionType(node) { + addLazyDiagnostic(checkJSDocFunctionTypeImplicitAny); + checkSignatureDeclaration(node); + function checkJSDocFunctionTypeImplicitAny() { + if (!node.type && !ts.isJSDocConstructSignature(node)) { + reportImplicitAny(node, anyType); + } + } + } + function checkJSDocImplementsTag(node) { + var classLike = ts.getEffectiveJSDocHost(node); + if (!classLike || !ts.isClassDeclaration(classLike) && !ts.isClassExpression(classLike)) { + error(classLike, ts.Diagnostics.JSDoc_0_is_not_attached_to_a_class, ts.idText(node.tagName)); + } + } + function checkJSDocAugmentsTag(node) { + var classLike = ts.getEffectiveJSDocHost(node); + if (!classLike || !ts.isClassDeclaration(classLike) && !ts.isClassExpression(classLike)) { + error(classLike, ts.Diagnostics.JSDoc_0_is_not_attached_to_a_class, ts.idText(node.tagName)); + return; + } + var augmentsTags = ts.getJSDocTags(classLike).filter(ts.isJSDocAugmentsTag); + ts.Debug.assert(augmentsTags.length > 0); + if (augmentsTags.length > 1) { + error(augmentsTags[1], ts.Diagnostics.Class_declarations_cannot_have_more_than_one_augments_or_extends_tag); + } + var name = getIdentifierFromEntityNameExpression(node.class.expression); + var extend = ts.getClassExtendsHeritageElement(classLike); + if (extend) { + var className = getIdentifierFromEntityNameExpression(extend.expression); + if (className && name.escapedText !== className.escapedText) { + error(name, ts.Diagnostics.JSDoc_0_1_does_not_match_the_extends_2_clause, ts.idText(node.tagName), ts.idText(name), ts.idText(className)); + } + } + } + function checkJSDocAccessibilityModifiers(node) { + var host = ts.getJSDocHost(node); + if (host && ts.isPrivateIdentifierClassElementDeclaration(host)) { + error(node, ts.Diagnostics.An_accessibility_modifier_cannot_be_used_with_a_private_identifier); + } + } + function getIdentifierFromEntityNameExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return node; + case 206 /* SyntaxKind.PropertyAccessExpression */: + return node.name; + default: + return undefined; + } + } + function checkFunctionOrMethodDeclaration(node) { + var _a; + checkDecorators(node); + checkSignatureDeclaration(node); + var functionFlags = ts.getFunctionFlags(node); + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name && node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + // This check will account for methods in class/interface declarations, + // as well as accessors in classes/object literals + checkComputedPropertyName(node.name); + } + if (hasBindableName(node)) { + // first we want to check the local symbol that contain this declaration + // - if node.localSymbol !== undefined - this is current declaration is exported and localSymbol points to the local symbol + // - if node.localSymbol === undefined - this node is non-exported so we can just pick the result of getSymbolOfNode + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + // Since the javascript won't do semantic analysis like typescript, + // if the javascript file comes before the typescript file and both contain same name functions, + // checkFunctionOrConstructorSymbol wouldn't be called if we didnt ignore javascript function. + var firstDeclaration = (_a = localSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find( + // Get first non javascript function declaration + function (declaration) { return declaration.kind === node.kind && !(declaration.flags & 262144 /* NodeFlags.JavaScriptFile */); }); + // Only type check the symbol once + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + // run check on export symbol to check that modifiers agree across all exported declarations + checkFunctionOrConstructorSymbol(symbol); + } + } + var body = node.kind === 168 /* SyntaxKind.MethodSignature */ ? undefined : node.body; + checkSourceElement(body); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, getReturnTypeFromAnnotation(node)); + addLazyDiagnostic(checkFunctionOrMethodDeclarationDiagnostics); + // A js function declaration can have a @type tag instead of a return type node, but that type must have a call signature + if (ts.isInJSFile(node)) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && !getContextualCallSignature(getTypeFromTypeNode(typeTag.typeExpression), node)) { + error(typeTag.typeExpression.type, ts.Diagnostics.The_type_of_a_function_declaration_must_match_the_function_s_signature); + } + } + function checkFunctionOrMethodDeclarationDiagnostics() { + if (!ts.getEffectiveReturnTypeNode(node)) { + // Report an implicit any error if there is no body, no explicit return type, and node is not a private method + // in an ambient context + if (ts.nodeIsMissing(body) && !isPrivateWithinAmbient(node)) { + reportImplicitAny(node, anyType); + } + if (functionFlags & 1 /* FunctionFlags.Generator */ && ts.nodeIsPresent(body)) { + // A generator with a body and no type annotation can still cause errors. It can error if the + // yielded values have no common supertype, or it can give an implicit any error if it has no + // yielded values. The only way to trigger these errors is to try checking its return type. + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + } + } + } + function registerForUnusedIdentifiersCheck(node) { + addLazyDiagnostic(registerForUnusedIdentifiersCheckDiagnostics); + function registerForUnusedIdentifiersCheckDiagnostics() { + // May be in a call such as getTypeOfNode that happened to call this. But potentiallyUnusedIdentifiers is only defined in the scope of `checkSourceFile`. + var sourceFile = ts.getSourceFileOfNode(node); + var potentiallyUnusedIdentifiers = allPotentiallyUnusedIdentifiers.get(sourceFile.path); + if (!potentiallyUnusedIdentifiers) { + potentiallyUnusedIdentifiers = []; + allPotentiallyUnusedIdentifiers.set(sourceFile.path, potentiallyUnusedIdentifiers); + } + // TODO: GH#22580 + // Debug.assert(addToSeen(seenPotentiallyUnusedIdentifiers, getNodeId(node)), "Adding potentially-unused identifier twice"); + potentiallyUnusedIdentifiers.push(node); + } + } + function checkUnusedIdentifiers(potentiallyUnusedIdentifiers, addDiagnostic) { + for (var _i = 0, potentiallyUnusedIdentifiers_1 = potentiallyUnusedIdentifiers; _i < potentiallyUnusedIdentifiers_1.length; _i++) { + var node = potentiallyUnusedIdentifiers_1[_i]; + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + checkUnusedClassMembers(node, addDiagnostic); + checkUnusedTypeParameters(node, addDiagnostic); + break; + case 305 /* SyntaxKind.SourceFile */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 235 /* SyntaxKind.Block */: + case 263 /* SyntaxKind.CaseBlock */: + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + checkUnusedLocalsAndParameters(node, addDiagnostic); + break; + case 171 /* SyntaxKind.Constructor */: + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + if (node.body) { // Don't report unused parameters in overloads + checkUnusedLocalsAndParameters(node, addDiagnostic); + } + checkUnusedTypeParameters(node, addDiagnostic); + break; + case 168 /* SyntaxKind.MethodSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + checkUnusedTypeParameters(node, addDiagnostic); + break; + case 190 /* SyntaxKind.InferType */: + checkUnusedInferTypeParameter(node, addDiagnostic); + break; + default: + ts.Debug.assertNever(node, "Node should not have been registered for unused identifiers check"); + } + } + } + function errorUnusedLocal(declaration, name, addDiagnostic) { + var node = ts.getNameOfDeclaration(declaration) || declaration; + var message = isTypeDeclaration(declaration) ? ts.Diagnostics._0_is_declared_but_never_used : ts.Diagnostics._0_is_declared_but_its_value_is_never_read; + addDiagnostic(declaration, 0 /* UnusedKind.Local */, ts.createDiagnosticForNode(node, message, name)); + } + function isIdentifierThatStartsWithUnderscore(node) { + return ts.isIdentifier(node) && ts.idText(node).charCodeAt(0) === 95 /* CharacterCodes._ */; + } + function checkUnusedClassMembers(node, addDiagnostic) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 169 /* SyntaxKind.MethodDeclaration */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + if (member.kind === 173 /* SyntaxKind.SetAccessor */ && member.symbol.flags & 32768 /* SymbolFlags.GetAccessor */) { + // Already would have reported an error on the getter. + break; + } + var symbol = getSymbolOfNode(member); + if (!symbol.isReferenced + && (ts.hasEffectiveModifier(member, 8 /* ModifierFlags.Private */) || ts.isNamedDeclaration(member) && ts.isPrivateIdentifier(member.name)) + && !(member.flags & 16777216 /* NodeFlags.Ambient */)) { + addDiagnostic(member, 0 /* UnusedKind.Local */, ts.createDiagnosticForNode(member.name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, symbolToString(symbol))); + } + break; + case 171 /* SyntaxKind.Constructor */: + for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { + var parameter = _c[_b]; + if (!parameter.symbol.isReferenced && ts.hasSyntacticModifier(parameter, 8 /* ModifierFlags.Private */)) { + addDiagnostic(parameter, 0 /* UnusedKind.Local */, ts.createDiagnosticForNode(parameter.name, ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read, ts.symbolName(parameter.symbol))); + } + } + break; + case 176 /* SyntaxKind.IndexSignature */: + case 234 /* SyntaxKind.SemicolonClassElement */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + // Can't be private + break; + default: + ts.Debug.fail("Unexpected class member"); + } + } + } + function checkUnusedInferTypeParameter(node, addDiagnostic) { + var typeParameter = node.typeParameter; + if (isTypeParameterUnused(typeParameter)) { + addDiagnostic(node, 1 /* UnusedKind.Parameter */, ts.createDiagnosticForNode(node, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, ts.idText(typeParameter.name))); + } + } + function checkUnusedTypeParameters(node, addDiagnostic) { + // Only report errors on the last declaration for the type parameter container; + // this ensures that all uses have been accounted for. + var declarations = getSymbolOfNode(node).declarations; + if (!declarations || ts.last(declarations) !== node) + return; + var typeParameters = ts.getEffectiveTypeParameterDeclarations(node); + var seenParentsWithEveryUnused = new ts.Set(); + for (var _i = 0, typeParameters_3 = typeParameters; _i < typeParameters_3.length; _i++) { + var typeParameter = typeParameters_3[_i]; + if (!isTypeParameterUnused(typeParameter)) + continue; + var name = ts.idText(typeParameter.name); + var parent = typeParameter.parent; + if (parent.kind !== 190 /* SyntaxKind.InferType */ && parent.typeParameters.every(isTypeParameterUnused)) { + if (ts.tryAddToSet(seenParentsWithEveryUnused, parent)) { + var sourceFile = ts.getSourceFileOfNode(parent); + var range = ts.isJSDocTemplateTag(parent) + // Whole @template tag + ? ts.rangeOfNode(parent) + // Include the `<>` in the error message + : ts.rangeOfTypeParameters(sourceFile, parent.typeParameters); + var only = parent.typeParameters.length === 1; + //TODO: following line is possible reason for bug #41974, unusedTypeParameters_TemplateTag + var message = only ? ts.Diagnostics._0_is_declared_but_its_value_is_never_read : ts.Diagnostics.All_type_parameters_are_unused; + var arg0 = only ? name : undefined; + addDiagnostic(typeParameter, 1 /* UnusedKind.Parameter */, ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, message, arg0)); + } + } + else { + //TODO: following line is possible reason for bug #41974, unusedTypeParameters_TemplateTag + addDiagnostic(typeParameter, 1 /* UnusedKind.Parameter */, ts.createDiagnosticForNode(typeParameter, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, name)); + } + } + } + function isTypeParameterUnused(typeParameter) { + return !(getMergedSymbol(typeParameter.symbol).isReferenced & 262144 /* SymbolFlags.TypeParameter */) && !isIdentifierThatStartsWithUnderscore(typeParameter.name); + } + function addToGroup(map, key, value, getKey) { + var keyString = String(getKey(key)); + var group = map.get(keyString); + if (group) { + group[1].push(value); + } + else { + map.set(keyString, [key, [value]]); + } + } + function tryGetRootParameterDeclaration(node) { + return ts.tryCast(ts.getRootDeclaration(node), ts.isParameter); + } + function isValidUnusedLocalDeclaration(declaration) { + if (ts.isBindingElement(declaration)) { + if (ts.isObjectBindingPattern(declaration.parent)) { + /** + * ignore starts with underscore names _ + * const { a: _a } = { a: 1 } + */ + return !!(declaration.propertyName && isIdentifierThatStartsWithUnderscore(declaration.name)); + } + return isIdentifierThatStartsWithUnderscore(declaration.name); + } + return ts.isAmbientModule(declaration) || + (ts.isVariableDeclaration(declaration) && ts.isForInOrOfStatement(declaration.parent.parent) || isImportedDeclaration(declaration)) && isIdentifierThatStartsWithUnderscore(declaration.name); + } + function checkUnusedLocalsAndParameters(nodeWithLocals, addDiagnostic) { + // Ideally we could use the ImportClause directly as a key, but must wait until we have full ES6 maps. So must store key along with value. + var unusedImports = new ts.Map(); + var unusedDestructures = new ts.Map(); + var unusedVariables = new ts.Map(); + nodeWithLocals.locals.forEach(function (local) { + // If it's purely a type parameter, ignore, will be checked in `checkUnusedTypeParameters`. + // If it's a type parameter merged with a parameter, check if the parameter-side is used. + if (local.flags & 262144 /* SymbolFlags.TypeParameter */ ? !(local.flags & 3 /* SymbolFlags.Variable */ && !(local.isReferenced & 3 /* SymbolFlags.Variable */)) : local.isReferenced || local.exportSymbol) { + return; + } + if (local.declarations) { + for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (isValidUnusedLocalDeclaration(declaration)) { + continue; + } + if (isImportedDeclaration(declaration)) { + addToGroup(unusedImports, importClauseFromImported(declaration), declaration, getNodeId); + } + else if (ts.isBindingElement(declaration) && ts.isObjectBindingPattern(declaration.parent)) { + // In `{ a, ...b }, `a` is considered used since it removes a property from `b`. `b` may still be unused though. + var lastElement = ts.last(declaration.parent.elements); + if (declaration === lastElement || !ts.last(declaration.parent.elements).dotDotDotToken) { + addToGroup(unusedDestructures, declaration.parent, declaration, getNodeId); + } + } + else if (ts.isVariableDeclaration(declaration)) { + addToGroup(unusedVariables, declaration.parent, declaration, getNodeId); + } + else { + var parameter = local.valueDeclaration && tryGetRootParameterDeclaration(local.valueDeclaration); + var name = local.valueDeclaration && ts.getNameOfDeclaration(local.valueDeclaration); + if (parameter && name) { + if (!ts.isParameterPropertyDeclaration(parameter, parameter.parent) && !ts.parameterIsThisKeyword(parameter) && !isIdentifierThatStartsWithUnderscore(name)) { + if (ts.isBindingElement(declaration) && ts.isArrayBindingPattern(declaration.parent)) { + addToGroup(unusedDestructures, declaration.parent, declaration, getNodeId); + } + else { + addDiagnostic(parameter, 1 /* UnusedKind.Parameter */, ts.createDiagnosticForNode(name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, ts.symbolName(local))); + } + } + } + else { + errorUnusedLocal(declaration, ts.symbolName(local), addDiagnostic); + } + } + } + } + }); + unusedImports.forEach(function (_a) { + var importClause = _a[0], unuseds = _a[1]; + var importDecl = importClause.parent; + var nDeclarations = (importClause.name ? 1 : 0) + + (importClause.namedBindings ? + (importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */ ? 1 : importClause.namedBindings.elements.length) + : 0); + if (nDeclarations === unuseds.length) { + addDiagnostic(importDecl, 0 /* UnusedKind.Local */, unuseds.length === 1 + ? ts.createDiagnosticForNode(importDecl, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, ts.idText(ts.first(unuseds).name)) + : ts.createDiagnosticForNode(importDecl, ts.Diagnostics.All_imports_in_import_declaration_are_unused)); + } + else { + for (var _i = 0, unuseds_1 = unuseds; _i < unuseds_1.length; _i++) { + var unused = unuseds_1[_i]; + errorUnusedLocal(unused, ts.idText(unused.name), addDiagnostic); + } + } + }); + unusedDestructures.forEach(function (_a) { + var bindingPattern = _a[0], bindingElements = _a[1]; + var kind = tryGetRootParameterDeclaration(bindingPattern.parent) ? 1 /* UnusedKind.Parameter */ : 0 /* UnusedKind.Local */; + if (bindingPattern.elements.length === bindingElements.length) { + if (bindingElements.length === 1 && bindingPattern.parent.kind === 254 /* SyntaxKind.VariableDeclaration */ && bindingPattern.parent.parent.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + addToGroup(unusedVariables, bindingPattern.parent.parent, bindingPattern.parent, getNodeId); + } + else { + addDiagnostic(bindingPattern, kind, bindingElements.length === 1 + ? ts.createDiagnosticForNode(bindingPattern, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(ts.first(bindingElements).name)) + : ts.createDiagnosticForNode(bindingPattern, ts.Diagnostics.All_destructured_elements_are_unused)); + } + } + else { + for (var _i = 0, bindingElements_1 = bindingElements; _i < bindingElements_1.length; _i++) { + var e = bindingElements_1[_i]; + addDiagnostic(e, kind, ts.createDiagnosticForNode(e, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(e.name))); + } + } + }); + unusedVariables.forEach(function (_a) { + var declarationList = _a[0], declarations = _a[1]; + if (declarationList.declarations.length === declarations.length) { + addDiagnostic(declarationList, 0 /* UnusedKind.Local */, declarations.length === 1 + ? ts.createDiagnosticForNode(ts.first(declarations).name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(ts.first(declarations).name)) + : ts.createDiagnosticForNode(declarationList.parent.kind === 237 /* SyntaxKind.VariableStatement */ ? declarationList.parent : declarationList, ts.Diagnostics.All_variables_are_unused)); + } + else { + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var decl = declarations_6[_i]; + addDiagnostic(decl, 0 /* UnusedKind.Local */, ts.createDiagnosticForNode(decl, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(decl.name))); + } + } + }); + } + function bindingNameText(name) { + switch (name.kind) { + case 79 /* SyntaxKind.Identifier */: + return ts.idText(name); + case 202 /* SyntaxKind.ArrayBindingPattern */: + case 201 /* SyntaxKind.ObjectBindingPattern */: + return bindingNameText(ts.cast(ts.first(name.elements), ts.isBindingElement).name); + default: + return ts.Debug.assertNever(name); + } + } + function isImportedDeclaration(node) { + return node.kind === 267 /* SyntaxKind.ImportClause */ || node.kind === 270 /* SyntaxKind.ImportSpecifier */ || node.kind === 268 /* SyntaxKind.NamespaceImport */; + } + function importClauseFromImported(decl) { + return decl.kind === 267 /* SyntaxKind.ImportClause */ ? decl : decl.kind === 268 /* SyntaxKind.NamespaceImport */ ? decl.parent : decl.parent.parent; + } + function checkBlock(node) { + // Grammar checking for SyntaxKind.Block + if (node.kind === 235 /* SyntaxKind.Block */) { + checkGrammarStatementInAmbientContext(node); + } + if (ts.isFunctionOrModuleBlock(node)) { + var saveFlowAnalysisDisabled = flowAnalysisDisabled; + ts.forEach(node.statements, checkSourceElement); + flowAnalysisDisabled = saveFlowAnalysisDisabled; + } + else { + ts.forEach(node.statements, checkSourceElement); + } + if (node.locals) { + registerForUnusedIdentifiersCheck(node); + } + } + function checkCollisionWithArgumentsInGeneratedCode(node) { + // no rest parameters \ declaration context \ overload - no codegen impact + if (languageVersion >= 2 /* ScriptTarget.ES2015 */ || !ts.hasRestParameter(node) || node.flags & 16777216 /* NodeFlags.Ambient */ || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.escapedText === argumentsSymbol.escapedName) { + errorSkippedOn("noEmit", p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); + } + }); + } + /** + * Checks whether an {@link Identifier}, in the context of another {@link Node}, would collide with a runtime value + * of {@link name} in an outer scope. This is used to check for collisions for downlevel transformations that + * require names like `Object`, `Promise`, `Reflect`, `require`, `exports`, etc. + */ + function needCollisionCheckForIdentifier(node, identifier, name) { + if ((identifier === null || identifier === void 0 ? void 0 : identifier.escapedText) !== name) { + return false; + } + if (node.kind === 167 /* SyntaxKind.PropertyDeclaration */ || + node.kind === 166 /* SyntaxKind.PropertySignature */ || + node.kind === 169 /* SyntaxKind.MethodDeclaration */ || + node.kind === 168 /* SyntaxKind.MethodSignature */ || + node.kind === 172 /* SyntaxKind.GetAccessor */ || + node.kind === 173 /* SyntaxKind.SetAccessor */ || + node.kind === 296 /* SyntaxKind.PropertyAssignment */) { + // it is ok to have member named '_super', '_this', `Promise`, etc. - member access is always qualified + return false; + } + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + // ambient context - no codegen impact + return false; + } + if (ts.isImportClause(node) || ts.isImportEqualsDeclaration(node) || ts.isImportSpecifier(node)) { + // type-only imports do not require collision checks against runtime values. + if (ts.isTypeOnlyImportOrExportDeclaration(node)) { + return false; + } + } + var root = ts.getRootDeclaration(node); + if (ts.isParameter(root) && ts.nodeIsMissing(root.parent.body)) { + // just an overload - no codegen impact + return false; + } + return true; + } + // this function will run after checking the source file so 'CaptureThis' is correct for all nodes + function checkIfThisIsCapturedInEnclosingScope(node) { + ts.findAncestor(node, function (current) { + if (getNodeCheckFlags(current) & 4 /* NodeCheckFlags.CaptureThis */) { + var isDeclaration_1 = node.kind !== 79 /* SyntaxKind.Identifier */; + if (isDeclaration_1) { + error(ts.getNameOfDeclaration(node), ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + } + return true; + } + return false; + }); + } + function checkIfNewTargetIsCapturedInEnclosingScope(node) { + ts.findAncestor(node, function (current) { + if (getNodeCheckFlags(current) & 8 /* NodeCheckFlags.CaptureNewTarget */) { + var isDeclaration_2 = node.kind !== 79 /* SyntaxKind.Identifier */; + if (isDeclaration_2) { + error(ts.getNameOfDeclaration(node), ts.Diagnostics.Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_meta_property_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta_property_reference); + } + return true; + } + return false; + }); + } + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + // No need to check for require or exports for ES6 modules and later + if (moduleKind >= ts.ModuleKind.ES2015 && !(moduleKind >= ts.ModuleKind.Node16 && ts.getSourceFileOfNode(node).impliedNodeFormat === ts.ModuleKind.CommonJS)) { + return; + } + if (!name || !needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + // Uninstantiated modules shouldnt do this check + if (ts.isModuleDeclaration(node) && ts.getModuleInstanceState(node) !== 1 /* ModuleInstanceState.Instantiated */) { + return; + } + // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent + var parent = getDeclarationContainer(node); + if (parent.kind === 305 /* SyntaxKind.SourceFile */ && ts.isExternalOrCommonJsModule(parent)) { + // If the declaration happens to be in external module, report error that require and exports are reserved keywords + errorSkippedOn("noEmit", name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!name || languageVersion >= 4 /* ScriptTarget.ES2017 */ || !needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + // Uninstantiated modules shouldnt do this check + if (ts.isModuleDeclaration(node) && ts.getModuleInstanceState(node) !== 1 /* ModuleInstanceState.Instantiated */) { + return; + } + // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent + var parent = getDeclarationContainer(node); + if (parent.kind === 305 /* SyntaxKind.SourceFile */ && ts.isExternalOrCommonJsModule(parent) && parent.flags & 2048 /* NodeFlags.HasAsyncFunctions */) { + // If the declaration happens to be in external module, report error that Promise is a reserved identifier. + errorSkippedOn("noEmit", name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function recordPotentialCollisionWithWeakMapSetInGeneratedCode(node, name) { + if (languageVersion <= 8 /* ScriptTarget.ES2021 */ + && (needCollisionCheckForIdentifier(node, name, "WeakMap") || needCollisionCheckForIdentifier(node, name, "WeakSet"))) { + potentialWeakMapSetCollisions.push(node); + } + } + function checkWeakMapSetCollision(node) { + var enclosingBlockScope = ts.getEnclosingBlockScopeContainer(node); + if (getNodeCheckFlags(enclosingBlockScope) & 67108864 /* NodeCheckFlags.ContainsClassWithPrivateIdentifiers */) { + ts.Debug.assert(ts.isNamedDeclaration(node) && ts.isIdentifier(node.name) && typeof node.name.escapedText === "string", "The target of a WeakMap/WeakSet collision check should be an identifier"); + errorSkippedOn("noEmit", node, ts.Diagnostics.Compiler_reserves_name_0_when_emitting_private_identifier_downlevel, node.name.escapedText); + } + } + function recordPotentialCollisionWithReflectInGeneratedCode(node, name) { + if (name && languageVersion >= 2 /* ScriptTarget.ES2015 */ && languageVersion <= 8 /* ScriptTarget.ES2021 */ + && needCollisionCheckForIdentifier(node, name, "Reflect")) { + potentialReflectCollisions.push(node); + } + } + function checkReflectCollision(node) { + var hasCollision = false; + if (ts.isClassExpression(node)) { + // ClassExpression names don't contribute to their containers, but do matter for any of their block-scoped members. + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (getNodeCheckFlags(member) & 134217728 /* NodeCheckFlags.ContainsSuperPropertyInStaticInitializer */) { + hasCollision = true; + break; + } + } + } + else if (ts.isFunctionExpression(node)) { + // FunctionExpression names don't contribute to their containers, but do matter for their contents + if (getNodeCheckFlags(node) & 134217728 /* NodeCheckFlags.ContainsSuperPropertyInStaticInitializer */) { + hasCollision = true; + } + } + else { + var container = ts.getEnclosingBlockScopeContainer(node); + if (container && getNodeCheckFlags(container) & 134217728 /* NodeCheckFlags.ContainsSuperPropertyInStaticInitializer */) { + hasCollision = true; + } + } + if (hasCollision) { + ts.Debug.assert(ts.isNamedDeclaration(node) && ts.isIdentifier(node.name), "The target of a Reflect collision check should be an identifier"); + errorSkippedOn("noEmit", node, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_when_emitting_super_references_in_static_initializers, ts.declarationNameToString(node.name), "Reflect"); + } + } + function checkCollisionsForDeclarationName(node, name) { + if (!name) + return; + checkCollisionWithRequireExportsInGeneratedCode(node, name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, name); + recordPotentialCollisionWithWeakMapSetInGeneratedCode(node, name); + recordPotentialCollisionWithReflectInGeneratedCode(node, name); + if (ts.isClassLike(node)) { + checkTypeNameIsReserved(name, ts.Diagnostics.Class_name_cannot_be_0); + if (!(node.flags & 16777216 /* NodeFlags.Ambient */)) { + checkClassNameCollisionWithObject(name); + } + } + else if (ts.isEnumDeclaration(node)) { + checkTypeNameIsReserved(name, ts.Diagnostics.Enum_name_cannot_be_0); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + // - ScriptBody : StatementList + // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList + // also occurs in the VarDeclaredNames of StatementList. + // - Block : { StatementList } + // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList + // also occurs in the VarDeclaredNames of StatementList. + // Variable declarations are hoisted to the top of their function scope. They can shadow + // block scoped declarations, which bind tighter. this will not be flagged as duplicate definition + // by the binder as the declaration scope is different. + // A non-initialized declaration is a no-op as the block declaration will resolve before the var + // declaration. the problem is if the declaration has an initializer. this will act as a write to the + // block declared value. this is fine for let, but not const. + // Only consider declarations with initializers, uninitialized const declarations will not + // step on a let/const variable. + // Do not consider const and const declarations, as duplicate block-scoped declarations + // are handled by the binder. + // We are only looking for const declarations that step on let\const declarations from a + // different scope. e.g.: + // { + // const x = 0; // localDeclarationSymbol obtained after name resolution will correspond to this declaration + // const x = 0; // symbol for this declaration will be 'symbol' + // } + // skip block-scoped variables and parameters + if ((ts.getCombinedNodeFlags(node) & 3 /* NodeFlags.BlockScoped */) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + // skip variable declarations that don't have initializers + // NOTE: in ES6 spec initializer is required in variable declarations where name is binding pattern + // so we'll always treat binding elements as initialized + if (node.kind === 254 /* SyntaxKind.VariableDeclaration */ && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1 /* SymbolFlags.FunctionScopedVariable */) { + if (!ts.isIdentifier(node.name)) + return ts.Debug.fail(); + var localDeclarationSymbol = resolveName(node, node.name.escapedText, 3 /* SymbolFlags.Variable */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2 /* SymbolFlags.BlockScopedVariable */) { + if (getDeclarationNodeFlagsFromSymbol(localDeclarationSymbol) & 3 /* NodeFlags.BlockScoped */) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 255 /* SyntaxKind.VariableDeclarationList */); + var container = varDeclList.parent.kind === 237 /* SyntaxKind.VariableStatement */ && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + // names of block-scoped and function scoped variables can collide only + // if block scoped variable is defined in the function\module\source file scope (because of variable hoisting) + var namesShareScope = container && + (container.kind === 235 /* SyntaxKind.Block */ && ts.isFunctionLike(container.parent) || + container.kind === 262 /* SyntaxKind.ModuleBlock */ || + container.kind === 261 /* SyntaxKind.ModuleDeclaration */ || + container.kind === 305 /* SyntaxKind.SourceFile */); + // here we know that function scoped variable is shadowed by block scoped one + // if they are defined in the same scope - binder has already reported redeclaration error + // otherwise if variable has an initializer - show error that initialization will fail + // since LHS will be block scoped name instead of function scoped + if (!namesShareScope) { + var name = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name, name); + } + } + } + } + } + function convertAutoToAny(type) { + return type === autoType ? anyType : type === autoArrayType ? anyArrayType : type; + } + // Check variable, parameter, or property declaration + function checkVariableLikeDeclaration(node) { + var _a; + checkDecorators(node); + if (!ts.isBindingElement(node)) { + checkSourceElement(node.type); + } + // JSDoc `function(string, string): string` syntax results in parameters with no name + if (!node.name) { + return; + } + // For a computed property, just check the initializer and exit + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); + } + } + if (ts.isBindingElement(node)) { + if (ts.isObjectBindingPattern(node.parent) && node.dotDotDotToken && languageVersion < 5 /* ScriptTarget.ES2018 */) { + checkExternalEmitHelpers(node, 4 /* ExternalEmitHelpers.Rest */); + } + // check computed properties inside property names of binding elements + if (node.propertyName && node.propertyName.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + checkComputedPropertyName(node.propertyName); + } + // check private/protected variable access + var parent = node.parent.parent; + var parentCheckMode = node.dotDotDotToken ? 64 /* CheckMode.RestBindingElement */ : 0 /* CheckMode.Normal */; + var parentType = getTypeForBindingElementParent(parent, parentCheckMode); + var name = node.propertyName || node.name; + if (parentType && !ts.isBindingPattern(name)) { + var exprType = getLiteralTypeFromPropertyName(name); + if (isTypeUsableAsPropertyName(exprType)) { + var nameText = getPropertyNameFromType(exprType); + var property = getPropertyOfType(parentType, nameText); + if (property) { + markPropertyAsReferenced(property, /*nodeForCheckWriteOnly*/ undefined, /*isSelfTypeAccess*/ false); // A destructuring is never a write-only reference. + checkPropertyAccessibility(node, !!parent.initializer && parent.initializer.kind === 106 /* SyntaxKind.SuperKeyword */, /*writing*/ false, parentType, property); + } + } + } + } + // For a binding pattern, check contained binding elements + if (ts.isBindingPattern(node.name)) { + if (node.name.kind === 202 /* SyntaxKind.ArrayBindingPattern */ && languageVersion < 2 /* ScriptTarget.ES2015 */ && compilerOptions.downlevelIteration) { + checkExternalEmitHelpers(node, 512 /* ExternalEmitHelpers.Read */); + } + ts.forEach(node.name.elements, checkSourceElement); + } + // For a parameter declaration with an initializer, error and exit if the containing function doesn't have a body + if (node.initializer && ts.isParameterDeclaration(node) && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; + } + // For a binding pattern, validate the initializer and exit + if (ts.isBindingPattern(node.name)) { + var needCheckInitializer = node.initializer && node.parent.parent.kind !== 243 /* SyntaxKind.ForInStatement */; + var needCheckWidenedType = node.name.elements.length === 0; + if (needCheckInitializer || needCheckWidenedType) { + // Don't validate for-in initializer as it is already an error + var widenedType = getWidenedTypeForVariableLikeDeclaration(node); + if (needCheckInitializer) { + var initializerType = checkExpressionCached(node.initializer); + if (strictNullChecks && needCheckWidenedType) { + checkNonNullNonVoidType(initializerType, node); + } + else { + checkTypeAssignableToAndOptionallyElaborate(initializerType, getWidenedTypeForVariableLikeDeclaration(node), node, node.initializer); + } + } + // check the binding pattern with empty elements + if (needCheckWidenedType) { + if (ts.isArrayBindingPattern(node.name)) { + checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, widenedType, undefinedType, node); + } + else if (strictNullChecks) { + checkNonNullNonVoidType(widenedType, node); + } + } + } + return; + } + // For a commonjs `const x = require`, validate the alias and exit + var symbol = getSymbolOfNode(node); + if (symbol.flags & 2097152 /* SymbolFlags.Alias */ && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(node.kind === 203 /* SyntaxKind.BindingElement */ ? node.parent.parent : node)) { + checkAliasSymbol(node); + return; + } + var type = convertAutoToAny(getTypeOfSymbol(symbol)); + if (node === symbol.valueDeclaration) { + // Node is the primary declaration of the symbol, just validate the initializer + // Don't validate for-in initializer as it is already an error + var initializer = ts.getEffectiveInitializer(node); + if (initializer) { + var isJSObjectLiteralInitializer = ts.isInJSFile(node) && + ts.isObjectLiteralExpression(initializer) && + (initializer.properties.length === 0 || ts.isPrototypeAccess(node.name)) && + !!((_a = symbol.exports) === null || _a === void 0 ? void 0 : _a.size); + if (!isJSObjectLiteralInitializer && node.parent.parent.kind !== 243 /* SyntaxKind.ForInStatement */) { + checkTypeAssignableToAndOptionallyElaborate(checkExpressionCached(initializer), type, node, initializer, /*headMessage*/ undefined); + } + } + if (symbol.declarations && symbol.declarations.length > 1) { + if (ts.some(symbol.declarations, function (d) { return d !== node && ts.isVariableLike(d) && !areDeclarationFlagsIdentical(d, node); })) { + error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); + } + } + } + else { + // Node is a secondary declaration, check that type is identical to primary declaration and check that + // initializer is consistent with type associated with the node + var declarationType = convertAutoToAny(getWidenedTypeForVariableLikeDeclaration(node)); + if (!isErrorType(type) && !isErrorType(declarationType) && + !isTypeIdenticalTo(type, declarationType) && + !(symbol.flags & 67108864 /* SymbolFlags.Assignment */)) { + errorNextVariableOrPropertyDeclarationMustHaveSameType(symbol.valueDeclaration, type, node, declarationType); + } + if (node.initializer) { + checkTypeAssignableToAndOptionallyElaborate(checkExpressionCached(node.initializer), declarationType, node, node.initializer, /*headMessage*/ undefined); + } + if (symbol.valueDeclaration && !areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) { + error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); + } + } + if (node.kind !== 167 /* SyntaxKind.PropertyDeclaration */ && node.kind !== 166 /* SyntaxKind.PropertySignature */) { + // We know we don't have a binding pattern or computed name here + checkExportsOnMergedDeclarations(node); + if (node.kind === 254 /* SyntaxKind.VariableDeclaration */ || node.kind === 203 /* SyntaxKind.BindingElement */) { + checkVarDeclaredNamesNotShadowed(node); + } + checkCollisionsForDeclarationName(node, node.name); + } + } + function errorNextVariableOrPropertyDeclarationMustHaveSameType(firstDeclaration, firstType, nextDeclaration, nextType) { + var nextDeclarationName = ts.getNameOfDeclaration(nextDeclaration); + var message = nextDeclaration.kind === 167 /* SyntaxKind.PropertyDeclaration */ || nextDeclaration.kind === 166 /* SyntaxKind.PropertySignature */ + ? ts.Diagnostics.Subsequent_property_declarations_must_have_the_same_type_Property_0_must_be_of_type_1_but_here_has_type_2 + : ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2; + var declName = ts.declarationNameToString(nextDeclarationName); + var err = error(nextDeclarationName, message, declName, typeToString(firstType), typeToString(nextType)); + if (firstDeclaration) { + ts.addRelatedInfo(err, ts.createDiagnosticForNode(firstDeclaration, ts.Diagnostics._0_was_also_declared_here, declName)); + } + } + function areDeclarationFlagsIdentical(left, right) { + if ((left.kind === 164 /* SyntaxKind.Parameter */ && right.kind === 254 /* SyntaxKind.VariableDeclaration */) || + (left.kind === 254 /* SyntaxKind.VariableDeclaration */ && right.kind === 164 /* SyntaxKind.Parameter */)) { + // Differences in optionality between parameters and variables are allowed. + return true; + } + if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) { + return false; + } + var interestingFlags = 8 /* ModifierFlags.Private */ | + 16 /* ModifierFlags.Protected */ | + 256 /* ModifierFlags.Async */ | + 128 /* ModifierFlags.Abstract */ | + 64 /* ModifierFlags.Readonly */ | + 32 /* ModifierFlags.Static */; + return ts.getSelectedEffectiveModifierFlags(left, interestingFlags) === ts.getSelectedEffectiveModifierFlags(right, interestingFlags); + } + function checkVariableDeclaration(node) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("check" /* tracing.Phase.Check */, "checkVariableDeclaration", { kind: node.kind, pos: node.pos, end: node.end, path: node.tracingPath }); + checkGrammarVariableDeclaration(node); + checkVariableLikeDeclaration(node); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + // Grammar checking + if (!checkGrammarDecoratorsAndModifiers(node) && !checkGrammarVariableDeclarationList(node.declarationList)) + checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkExpressionStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + } + function checkIfStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkTruthinessExpression(node.expression); + checkTestingKnownTruthyCallableOrAwaitableType(node.expression, node.thenStatement); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 236 /* SyntaxKind.EmptyStatement */) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); + } + checkSourceElement(node.elseStatement); + } + function checkTestingKnownTruthyCallableOrAwaitableType(condExpr, body) { + if (!strictNullChecks) + return; + helper(condExpr, body); + while (ts.isBinaryExpression(condExpr) && condExpr.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */) { + condExpr = condExpr.left; + helper(condExpr, body); + } + function helper(condExpr, body) { + var location = ts.isBinaryExpression(condExpr) && + (condExpr.operatorToken.kind === 56 /* SyntaxKind.BarBarToken */ || condExpr.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */) + ? condExpr.right + : condExpr; + if (ts.isModuleExportsAccessExpression(location)) + return; + var type = checkTruthinessExpression(location); + var isPropertyExpressionCast = ts.isPropertyAccessExpression(location) && isTypeAssertion(location.expression); + if (getFalsyFlags(type) || isPropertyExpressionCast) + return; + // While it technically should be invalid for any known-truthy value + // to be tested, we de-scope to functions and Promises unreferenced in + // the block as a heuristic to identify the most common bugs. There + // are too many false positives for values sourced from type + // definitions without strictNullChecks otherwise. + var callSignatures = getSignaturesOfType(type, 0 /* SignatureKind.Call */); + var isPromise = !!getAwaitedTypeOfPromise(type); + if (callSignatures.length === 0 && !isPromise) { + return; + } + var testedNode = ts.isIdentifier(location) ? location + : ts.isPropertyAccessExpression(location) ? location.name + : ts.isBinaryExpression(location) && ts.isIdentifier(location.right) ? location.right + : undefined; + var testedSymbol = testedNode && getSymbolAtLocation(testedNode); + if (!testedSymbol && !isPromise) { + return; + } + var isUsed = testedSymbol && ts.isBinaryExpression(condExpr.parent) && isSymbolUsedInBinaryExpressionChain(condExpr.parent, testedSymbol) + || testedSymbol && body && isSymbolUsedInConditionBody(condExpr, body, testedNode, testedSymbol); + if (!isUsed) { + if (isPromise) { + errorAndMaybeSuggestAwait(location, + /*maybeMissingAwait*/ true, ts.Diagnostics.This_condition_will_always_return_true_since_this_0_is_always_defined, getTypeNameForErrorDisplay(type)); + } + else { + error(location, ts.Diagnostics.This_condition_will_always_return_true_since_this_function_is_always_defined_Did_you_mean_to_call_it_instead); + } + } + } + } + function isSymbolUsedInConditionBody(expr, body, testedNode, testedSymbol) { + return !!ts.forEachChild(body, function check(childNode) { + if (ts.isIdentifier(childNode)) { + var childSymbol = getSymbolAtLocation(childNode); + if (childSymbol && childSymbol === testedSymbol) { + // If the test was a simple identifier, the above check is sufficient + if (ts.isIdentifier(expr) || ts.isIdentifier(testedNode) && ts.isBinaryExpression(testedNode.parent)) { + return true; + } + // Otherwise we need to ensure the symbol is called on the same target + var testedExpression = testedNode.parent; + var childExpression = childNode.parent; + while (testedExpression && childExpression) { + if (ts.isIdentifier(testedExpression) && ts.isIdentifier(childExpression) || + testedExpression.kind === 108 /* SyntaxKind.ThisKeyword */ && childExpression.kind === 108 /* SyntaxKind.ThisKeyword */) { + return getSymbolAtLocation(testedExpression) === getSymbolAtLocation(childExpression); + } + else if (ts.isPropertyAccessExpression(testedExpression) && ts.isPropertyAccessExpression(childExpression)) { + if (getSymbolAtLocation(testedExpression.name) !== getSymbolAtLocation(childExpression.name)) { + return false; + } + childExpression = childExpression.expression; + testedExpression = testedExpression.expression; + } + else if (ts.isCallExpression(testedExpression) && ts.isCallExpression(childExpression)) { + childExpression = childExpression.expression; + testedExpression = testedExpression.expression; + } + else { + return false; + } + } + } + } + return ts.forEachChild(childNode, check); + }); + } + function isSymbolUsedInBinaryExpressionChain(node, testedSymbol) { + while (ts.isBinaryExpression(node) && node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */) { + var isUsed = ts.forEachChild(node.right, function visit(child) { + if (ts.isIdentifier(child)) { + var symbol = getSymbolAtLocation(child); + if (symbol && symbol === testedSymbol) { + return true; + } + } + return ts.forEachChild(child, visit); + }); + if (isUsed) { + return true; + } + node = node.parent; + } + return false; + } + function checkDoStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkTruthinessExpression(node.expression); + } + function checkWhileStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkTruthinessExpression(node.expression); + checkSourceElement(node.statement); + } + function checkTruthinessOfType(type, node) { + if (type.flags & 16384 /* TypeFlags.Void */) { + error(node, ts.Diagnostics.An_expression_of_type_void_cannot_be_tested_for_truthiness); + } + return type; + } + function checkTruthinessExpression(node, checkMode) { + return checkTruthinessOfType(checkExpression(node, checkMode), node); + } + function checkForStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + checkGrammarVariableDeclarationList(node.initializer); + } + } + if (node.initializer) { + if (node.initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkTruthinessExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); + } + } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + var container = ts.getContainingFunctionOrClassStaticBlock(node); + if (node.awaitModifier) { + if (container && ts.isClassStaticBlockDeclaration(container)) { + grammarErrorOnNode(node.awaitModifier, ts.Diagnostics.For_await_loops_cannot_be_used_inside_a_class_static_block); + } + else { + var functionFlags = ts.getFunctionFlags(container); + if ((functionFlags & (4 /* FunctionFlags.Invalid */ | 2 /* FunctionFlags.Async */)) === 2 /* FunctionFlags.Async */ && languageVersion < 99 /* ScriptTarget.ESNext */) { + // for..await..of in an async function or async generator function prior to ESNext requires the __asyncValues helper + checkExternalEmitHelpers(node, 16384 /* ExternalEmitHelpers.ForAwaitOfIncludes */); + } + } + } + else if (compilerOptions.downlevelIteration && languageVersion < 2 /* ScriptTarget.ES2015 */) { + // for..of prior to ES2015 requires the __values helper when downlevelIteration is enabled + checkExternalEmitHelpers(node, 256 /* ExternalEmitHelpers.ForOfIncludes */); + } + // Check the LHS and RHS + // If the LHS is a declaration, just check it as a variable declaration, which will in turn check the RHS + // via checkRightHandSideOfForOf. + // If the LHS is an expression, check the LHS, as a destructuring assignment or as a reference. + // Then check that the RHS is assignable to it. + if (node.initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node); + // There may be a destructuring assignment on the left side + if (varExpr.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ || varExpr.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + // iteratedType may be undefined. In this case, we still want to check the structure of + // varExpr, in particular making sure it's a valid LeftHandSideExpression. But we'd like + // to short circuit the type relation checking as much as possible, so we pass the unknownType. + checkDestructuringAssignment(varExpr, iteratedType || errorType); + } + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_may_not_be_an_optional_property_access); + // iteratedType will be undefined if the rightType was missing properties/signatures + // required to get its iteratedType (like [Symbol.iterator] or next). This may be + // because we accessed properties from anyType, or it may have led to an error inside + // getElementTypeOfIterable. + if (iteratedType) { + checkTypeAssignableToAndOptionallyElaborate(iteratedType, leftType, varExpr, node.expression); + } + } + } + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); + } + } + function checkForInStatement(node) { + // Grammar checking + checkGrammarForInOrForOfStatement(node); + var rightType = getNonNullableTypeIfNeeded(checkExpression(node.expression)); + // TypeScript 1.0 spec (April 2014): 5.4 + // In a 'for-in' statement of the form + // for (let VarDecl in Expr) Statement + // VarDecl must be a variable declaration without a type annotation that declares a variable of type Any, + // and Expr must be an expression of type Any, an object type, or a type parameter type. + if (node.initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + checkForInOrForOfVariableDeclaration(node); + } + else { + // In a 'for-in' statement of the form + // for (Var in Expr) Statement + // Var must be an expression classified as a reference of type Any or the String primitive type, + // and Expr must be an expression of type Any, an object type, or a type parameter type. + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ || varExpr.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAssignableTo(getIndexTypeOrString(rightType), leftType)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + // run check only former check succeeded to avoid cascading errors + checkReferenceExpression(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_may_not_be_an_optional_property_access); + } + } + // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved + // in this case error about missing name is already reported - do not report extra one + if (rightType === neverType || !isTypeAssignableToKind(rightType, 67108864 /* TypeFlags.NonPrimitive */ | 58982400 /* TypeFlags.InstantiableNonPrimitive */)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_but_here_has_type_0, typeToString(rightType)); + } + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); + } + } + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + // checkGrammarForInOrForOfStatement will check that there is exactly one declaration. + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); + } + } + function checkRightHandSideOfForOf(statement) { + var use = statement.awaitModifier ? 15 /* IterationUse.ForAwaitOf */ : 13 /* IterationUse.ForOf */; + return checkIteratedTypeOrElementType(use, checkNonNullExpression(statement.expression), undefinedType, statement.expression); + } + function checkIteratedTypeOrElementType(use, inputType, sentType, errorNode) { + if (isTypeAny(inputType)) { + return inputType; + } + return getIteratedTypeOrElementType(use, inputType, sentType, errorNode, /*checkAssignability*/ true) || anyType; + } + /** + * When consuming an iterable type in a for..of, spread, or iterator destructuring assignment + * we want to get the iterated type of an iterable for ES2015 or later, or the iterated type + * of a iterable (if defined globally) or element type of an array like for ES2015 or earlier. + */ + function getIteratedTypeOrElementType(use, inputType, sentType, errorNode, checkAssignability) { + var allowAsyncIterables = (use & 2 /* IterationUse.AllowsAsyncIterablesFlag */) !== 0; + if (inputType === neverType) { + reportTypeNotIterableError(errorNode, inputType, allowAsyncIterables); // TODO: GH#18217 + return undefined; + } + var uplevelIteration = languageVersion >= 2 /* ScriptTarget.ES2015 */; + var downlevelIteration = !uplevelIteration && compilerOptions.downlevelIteration; + var possibleOutOfBounds = compilerOptions.noUncheckedIndexedAccess && !!(use & 128 /* IterationUse.PossiblyOutOfBounds */); + // Get the iterated type of an `Iterable` or `IterableIterator` only in ES2015 + // or higher, when inside of an async generator or for-await-if, or when + // downlevelIteration is requested. + if (uplevelIteration || downlevelIteration || allowAsyncIterables) { + // We only report errors for an invalid iterable type in ES2015 or higher. + var iterationTypes = getIterationTypesOfIterable(inputType, use, uplevelIteration ? errorNode : undefined); + if (checkAssignability) { + if (iterationTypes) { + var diagnostic = use & 8 /* IterationUse.ForOfFlag */ ? ts.Diagnostics.Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_for_of_will_always_send_0 : + use & 32 /* IterationUse.SpreadFlag */ ? ts.Diagnostics.Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_spread_will_always_send_0 : + use & 64 /* IterationUse.DestructuringFlag */ ? ts.Diagnostics.Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_destructuring_will_always_send_0 : + use & 16 /* IterationUse.YieldStarFlag */ ? ts.Diagnostics.Cannot_delegate_iteration_to_value_because_the_next_method_of_its_iterator_expects_type_1_but_the_containing_generator_will_always_send_0 : + undefined; + if (diagnostic) { + checkTypeAssignableTo(sentType, iterationTypes.nextType, errorNode, diagnostic); + } + } + } + if (iterationTypes || uplevelIteration) { + return possibleOutOfBounds ? includeUndefinedInIndexSignature(iterationTypes && iterationTypes.yieldType) : (iterationTypes && iterationTypes.yieldType); + } + } + var arrayType = inputType; + var reportedError = false; + var hasStringConstituent = false; + // If strings are permitted, remove any string-like constituents from the array type. + // This allows us to find other non-string element types from an array unioned with + // a string. + if (use & 4 /* IterationUse.AllowsStringInputFlag */) { + if (arrayType.flags & 1048576 /* TypeFlags.Union */) { + // After we remove all types that are StringLike, we will know if there was a string constituent + // based on whether the result of filter is a new array. + var arrayTypes = inputType.types; + var filteredTypes = ts.filter(arrayTypes, function (t) { return !(t.flags & 402653316 /* TypeFlags.StringLike */); }); + if (filteredTypes !== arrayTypes) { + arrayType = getUnionType(filteredTypes, 2 /* UnionReduction.Subtype */); + } + } + else if (arrayType.flags & 402653316 /* TypeFlags.StringLike */) { + arrayType = neverType; + } + hasStringConstituent = arrayType !== inputType; + if (hasStringConstituent) { + if (languageVersion < 1 /* ScriptTarget.ES5 */) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + } + // Now that we've removed all the StringLike types, if no constituents remain, then the entire + // arrayOrStringType was a string. + if (arrayType.flags & 131072 /* TypeFlags.Never */) { + return possibleOutOfBounds ? includeUndefinedInIndexSignature(stringType) : stringType; + } + } + } + if (!isArrayLikeType(arrayType)) { + if (errorNode && !reportedError) { + // Which error we report depends on whether we allow strings or if there was a + // string constituent. For example, if the input type is number | string, we + // want to say that number is not an array type. But if the input was just + // number and string input is allowed, we want to say that number is not an + // array type or a string type. + var allowsStrings = !!(use & 4 /* IterationUse.AllowsStringInputFlag */) && !hasStringConstituent; + var _a = getIterationDiagnosticDetails(allowsStrings, downlevelIteration), defaultDiagnostic = _a[0], maybeMissingAwait = _a[1]; + errorAndMaybeSuggestAwait(errorNode, maybeMissingAwait && !!getAwaitedTypeOfPromise(arrayType), defaultDiagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? possibleOutOfBounds ? includeUndefinedInIndexSignature(stringType) : stringType : undefined; + } + var arrayElementType = getIndexTypeOfType(arrayType, numberType); + if (hasStringConstituent && arrayElementType) { + // This is just an optimization for the case where arrayOrStringType is string | string[] + if (arrayElementType.flags & 402653316 /* TypeFlags.StringLike */ && !compilerOptions.noUncheckedIndexedAccess) { + return stringType; + } + return getUnionType(possibleOutOfBounds ? [arrayElementType, stringType, undefinedType] : [arrayElementType, stringType], 2 /* UnionReduction.Subtype */); + } + return (use & 128 /* IterationUse.PossiblyOutOfBounds */) ? includeUndefinedInIndexSignature(arrayElementType) : arrayElementType; + function getIterationDiagnosticDetails(allowsStrings, downlevelIteration) { + var _a; + if (downlevelIteration) { + return allowsStrings + ? [ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator, true] + : [ts.Diagnostics.Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator, true]; + } + var yieldType = getIterationTypeOfIterable(use, 0 /* IterationTypeKind.Yield */, inputType, /*errorNode*/ undefined); + if (yieldType) { + return [ts.Diagnostics.Type_0_can_only_be_iterated_through_when_using_the_downlevelIteration_flag_or_with_a_target_of_es2015_or_higher, false]; + } + if (isES2015OrLaterIterable((_a = inputType.symbol) === null || _a === void 0 ? void 0 : _a.escapedName)) { + return [ts.Diagnostics.Type_0_can_only_be_iterated_through_when_using_the_downlevelIteration_flag_or_with_a_target_of_es2015_or_higher, true]; + } + return allowsStrings + ? [ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type, true] + : [ts.Diagnostics.Type_0_is_not_an_array_type, true]; + } + } + function isES2015OrLaterIterable(n) { + switch (n) { + case "Float32Array": + case "Float64Array": + case "Int16Array": + case "Int32Array": + case "Int8Array": + case "NodeList": + case "Uint16Array": + case "Uint32Array": + case "Uint8Array": + case "Uint8ClampedArray": + return true; + } + return false; + } + /** + * Gets the requested "iteration type" from an `Iterable`-like or `AsyncIterable`-like type. + */ + function getIterationTypeOfIterable(use, typeKind, inputType, errorNode) { + if (isTypeAny(inputType)) { + return undefined; + } + var iterationTypes = getIterationTypesOfIterable(inputType, use, errorNode); + return iterationTypes && iterationTypes[getIterationTypesKeyFromIterationTypeKind(typeKind)]; + } + function createIterationTypes(yieldType, returnType, nextType) { + // `yieldType` and `returnType` are defaulted to `neverType` they each will be combined + // via `getUnionType` when merging iteration types. `nextType` is defined as `unknownType` + // as it is combined via `getIntersectionType` when merging iteration types. + if (yieldType === void 0) { yieldType = neverType; } + if (returnType === void 0) { returnType = neverType; } + if (nextType === void 0) { nextType = unknownType; } + // Use the cache only for intrinsic types to keep it small as they are likely to be + // more frequently created (i.e. `Iterator`). Iteration types + // are also cached on the type they are requested for, so we shouldn't need to maintain + // the cache for less-frequently used types. + if (yieldType.flags & 67359327 /* TypeFlags.Intrinsic */ && + returnType.flags & (1 /* TypeFlags.Any */ | 131072 /* TypeFlags.Never */ | 2 /* TypeFlags.Unknown */ | 16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */) && + nextType.flags & (1 /* TypeFlags.Any */ | 131072 /* TypeFlags.Never */ | 2 /* TypeFlags.Unknown */ | 16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */)) { + var id = getTypeListId([yieldType, returnType, nextType]); + var iterationTypes = iterationTypesCache.get(id); + if (!iterationTypes) { + iterationTypes = { yieldType: yieldType, returnType: returnType, nextType: nextType }; + iterationTypesCache.set(id, iterationTypes); + } + return iterationTypes; + } + return { yieldType: yieldType, returnType: returnType, nextType: nextType }; + } + /** + * Combines multiple `IterationTypes` records. + * + * If `array` is empty or all elements are missing or are references to `noIterationTypes`, + * then `noIterationTypes` is returned. Otherwise, an `IterationTypes` record is returned + * for the combined iteration types. + */ + function combineIterationTypes(array) { + var yieldTypes; + var returnTypes; + var nextTypes; + for (var _i = 0, array_11 = array; _i < array_11.length; _i++) { + var iterationTypes = array_11[_i]; + if (iterationTypes === undefined || iterationTypes === noIterationTypes) { + continue; + } + if (iterationTypes === anyIterationTypes) { + return anyIterationTypes; + } + yieldTypes = ts.append(yieldTypes, iterationTypes.yieldType); + returnTypes = ts.append(returnTypes, iterationTypes.returnType); + nextTypes = ts.append(nextTypes, iterationTypes.nextType); + } + if (yieldTypes || returnTypes || nextTypes) { + return createIterationTypes(yieldTypes && getUnionType(yieldTypes), returnTypes && getUnionType(returnTypes), nextTypes && getIntersectionType(nextTypes)); + } + return noIterationTypes; + } + function getCachedIterationTypes(type, cacheKey) { + return type[cacheKey]; + } + function setCachedIterationTypes(type, cacheKey, cachedTypes) { + return type[cacheKey] = cachedTypes; + } + /** + * Gets the *yield*, *return*, and *next* types from an `Iterable`-like or `AsyncIterable`-like type. + * + * At every level that involves analyzing return types of signatures, we union the return types of all the signatures. + * + * Another thing to note is that at any step of this process, we could run into a dead end, + * meaning either the property is missing, or we run into the anyType. If either of these things + * happens, we return `undefined` to signal that we could not find the iteration type. If a property + * is missing, and the previous step did not result in `any`, then we also give an error if the + * caller requested it. Then the caller can decide what to do in the case where there is no iterated + * type. + * + * For a **for-of** statement, `yield*` (in a normal generator), spread, array + * destructuring, or normal generator we will only ever look for a `[Symbol.iterator]()` + * method. + * + * For an async generator we will only ever look at the `[Symbol.asyncIterator]()` method. + * + * For a **for-await-of** statement or a `yield*` in an async generator we will look for + * the `[Symbol.asyncIterator]()` method first, and then the `[Symbol.iterator]()` method. + */ + function getIterationTypesOfIterable(type, use, errorNode) { + if (isTypeAny(type)) { + return anyIterationTypes; + } + if (!(type.flags & 1048576 /* TypeFlags.Union */)) { + var iterationTypes_1 = getIterationTypesOfIterableWorker(type, use, errorNode); + if (iterationTypes_1 === noIterationTypes) { + if (errorNode) { + reportTypeNotIterableError(errorNode, type, !!(use & 2 /* IterationUse.AllowsAsyncIterablesFlag */)); + } + return undefined; + } + return iterationTypes_1; + } + var cacheKey = use & 2 /* IterationUse.AllowsAsyncIterablesFlag */ ? "iterationTypesOfAsyncIterable" : "iterationTypesOfIterable"; + var cachedTypes = getCachedIterationTypes(type, cacheKey); + if (cachedTypes) + return cachedTypes === noIterationTypes ? undefined : cachedTypes; + var allIterationTypes; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituent = _a[_i]; + var iterationTypes_2 = getIterationTypesOfIterableWorker(constituent, use, errorNode); + if (iterationTypes_2 === noIterationTypes) { + if (errorNode) { + reportTypeNotIterableError(errorNode, type, !!(use & 2 /* IterationUse.AllowsAsyncIterablesFlag */)); + } + setCachedIterationTypes(type, cacheKey, noIterationTypes); + return undefined; + } + else { + allIterationTypes = ts.append(allIterationTypes, iterationTypes_2); + } + } + var iterationTypes = allIterationTypes ? combineIterationTypes(allIterationTypes) : noIterationTypes; + setCachedIterationTypes(type, cacheKey, iterationTypes); + return iterationTypes === noIterationTypes ? undefined : iterationTypes; + } + function getAsyncFromSyncIterationTypes(iterationTypes, errorNode) { + if (iterationTypes === noIterationTypes) + return noIterationTypes; + if (iterationTypes === anyIterationTypes) + return anyIterationTypes; + var yieldType = iterationTypes.yieldType, returnType = iterationTypes.returnType, nextType = iterationTypes.nextType; + // if we're requesting diagnostics, report errors for a missing `Awaited`. + if (errorNode) { + getGlobalAwaitedSymbol(/*reportErrors*/ true); + } + return createIterationTypes(getAwaitedType(yieldType, errorNode) || anyType, getAwaitedType(returnType, errorNode) || anyType, nextType); + } + /** + * Gets the *yield*, *return*, and *next* types from a non-union type. + * + * If we are unable to find the *yield*, *return*, and *next* types, `noIterationTypes` is + * returned to indicate to the caller that it should report an error. Otherwise, an + * `IterationTypes` record is returned. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterable` instead. + */ + function getIterationTypesOfIterableWorker(type, use, errorNode) { + if (isTypeAny(type)) { + return anyIterationTypes; + } + if (use & 2 /* IterationUse.AllowsAsyncIterablesFlag */) { + var iterationTypes = getIterationTypesOfIterableCached(type, asyncIterationTypesResolver) || + getIterationTypesOfIterableFast(type, asyncIterationTypesResolver); + if (iterationTypes) { + return use & 8 /* IterationUse.ForOfFlag */ ? + getAsyncFromSyncIterationTypes(iterationTypes, errorNode) : + iterationTypes; + } + } + if (use & 1 /* IterationUse.AllowsSyncIterablesFlag */) { + var iterationTypes = getIterationTypesOfIterableCached(type, syncIterationTypesResolver) || + getIterationTypesOfIterableFast(type, syncIterationTypesResolver); + if (iterationTypes) { + if (use & 2 /* IterationUse.AllowsAsyncIterablesFlag */) { + // for a sync iterable in an async context, only use the cached types if they are valid. + if (iterationTypes !== noIterationTypes) { + return setCachedIterationTypes(type, "iterationTypesOfAsyncIterable", getAsyncFromSyncIterationTypes(iterationTypes, errorNode)); + } + } + else { + return iterationTypes; + } + } + } + if (use & 2 /* IterationUse.AllowsAsyncIterablesFlag */) { + var iterationTypes = getIterationTypesOfIterableSlow(type, asyncIterationTypesResolver, errorNode); + if (iterationTypes !== noIterationTypes) { + return iterationTypes; + } + } + if (use & 1 /* IterationUse.AllowsSyncIterablesFlag */) { + var iterationTypes = getIterationTypesOfIterableSlow(type, syncIterationTypesResolver, errorNode); + if (iterationTypes !== noIterationTypes) { + if (use & 2 /* IterationUse.AllowsAsyncIterablesFlag */) { + return setCachedIterationTypes(type, "iterationTypesOfAsyncIterable", iterationTypes + ? getAsyncFromSyncIterationTypes(iterationTypes, errorNode) + : noIterationTypes); + } + else { + return iterationTypes; + } + } + } + return noIterationTypes; + } + /** + * Gets the *yield*, *return*, and *next* types of an `Iterable`-like or + * `AsyncIterable`-like type from the cache. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterable` instead. + */ + function getIterationTypesOfIterableCached(type, resolver) { + return getCachedIterationTypes(type, resolver.iterableCacheKey); + } + function getIterationTypesOfGlobalIterableType(globalType, resolver) { + var globalIterationTypes = getIterationTypesOfIterableCached(globalType, resolver) || + getIterationTypesOfIterableSlow(globalType, resolver, /*errorNode*/ undefined); + return globalIterationTypes === noIterationTypes ? defaultIterationTypes : globalIterationTypes; + } + /** + * Gets the *yield*, *return*, and *next* types of an `Iterable`-like or `AsyncIterable`-like + * type from from common heuristics. + * + * If we previously analyzed this type and found no iteration types, `noIterationTypes` is + * returned. If we found iteration types, an `IterationTypes` record is returned. + * Otherwise, we return `undefined` to indicate to the caller it should perform a more + * exhaustive analysis. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterable` instead. + */ + function getIterationTypesOfIterableFast(type, resolver) { + // As an optimization, if the type is an instantiation of one of the following global types, then + // just grab its related type argument: + // - `Iterable` or `AsyncIterable` + // - `IterableIterator` or `AsyncIterableIterator` + var globalType; + if (isReferenceToType(type, globalType = resolver.getGlobalIterableType(/*reportErrors*/ false)) || + isReferenceToType(type, globalType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false))) { + var yieldType = getTypeArguments(type)[0]; + // The "return" and "next" types of `Iterable` and `IterableIterator` are defined by the + // iteration types of their `[Symbol.iterator]()` method. The same is true for their async cousins. + // While we define these as `any` and `undefined` in our libs by default, a custom lib *could* use + // different definitions. + var _a = getIterationTypesOfGlobalIterableType(globalType, resolver), returnType = _a.returnType, nextType = _a.nextType; + return setCachedIterationTypes(type, resolver.iterableCacheKey, createIterationTypes(resolver.resolveIterationType(yieldType, /*errorNode*/ undefined) || yieldType, resolver.resolveIterationType(returnType, /*errorNode*/ undefined) || returnType, nextType)); + } + // As an optimization, if the type is an instantiation of the following global type, then + // just grab its related type arguments: + // - `Generator` or `AsyncGenerator` + if (isReferenceToType(type, resolver.getGlobalGeneratorType(/*reportErrors*/ false))) { + var _b = getTypeArguments(type), yieldType = _b[0], returnType = _b[1], nextType = _b[2]; + return setCachedIterationTypes(type, resolver.iterableCacheKey, createIterationTypes(resolver.resolveIterationType(yieldType, /*errorNode*/ undefined) || yieldType, resolver.resolveIterationType(returnType, /*errorNode*/ undefined) || returnType, nextType)); + } + } + function getPropertyNameForKnownSymbolName(symbolName) { + var ctorType = getGlobalESSymbolConstructorSymbol(/*reportErrors*/ false); + var uniqueType = ctorType && getTypeOfPropertyOfType(getTypeOfSymbol(ctorType), ts.escapeLeadingUnderscores(symbolName)); + return uniqueType && isTypeUsableAsPropertyName(uniqueType) ? getPropertyNameFromType(uniqueType) : "__@".concat(symbolName); + } + /** + * Gets the *yield*, *return*, and *next* types of an `Iterable`-like or `AsyncIterable`-like + * type from its members. + * + * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes` + * record is returned. Otherwise, `noIterationTypes` is returned. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterable` instead. + */ + function getIterationTypesOfIterableSlow(type, resolver, errorNode) { + var _a; + var method = getPropertyOfType(type, getPropertyNameForKnownSymbolName(resolver.iteratorSymbolName)); + var methodType = method && !(method.flags & 16777216 /* SymbolFlags.Optional */) ? getTypeOfSymbol(method) : undefined; + if (isTypeAny(methodType)) { + return setCachedIterationTypes(type, resolver.iterableCacheKey, anyIterationTypes); + } + var signatures = methodType ? getSignaturesOfType(methodType, 0 /* SignatureKind.Call */) : undefined; + if (!ts.some(signatures)) { + return setCachedIterationTypes(type, resolver.iterableCacheKey, noIterationTypes); + } + var iteratorType = getIntersectionType(ts.map(signatures, getReturnTypeOfSignature)); + var iterationTypes = (_a = getIterationTypesOfIterator(iteratorType, resolver, errorNode)) !== null && _a !== void 0 ? _a : noIterationTypes; + return setCachedIterationTypes(type, resolver.iterableCacheKey, iterationTypes); + } + function reportTypeNotIterableError(errorNode, type, allowAsyncIterables) { + var message = allowAsyncIterables + ? ts.Diagnostics.Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator + : ts.Diagnostics.Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator; + errorAndMaybeSuggestAwait(errorNode, !!getAwaitedTypeOfPromise(type), message, typeToString(type)); + } + /** + * Gets the *yield*, *return*, and *next* types from an `Iterator`-like or `AsyncIterator`-like type. + * + * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes` + * record is returned. Otherwise, `undefined` is returned. + */ + function getIterationTypesOfIterator(type, resolver, errorNode) { + if (isTypeAny(type)) { + return anyIterationTypes; + } + var iterationTypes = getIterationTypesOfIteratorCached(type, resolver) || + getIterationTypesOfIteratorFast(type, resolver) || + getIterationTypesOfIteratorSlow(type, resolver, errorNode); + return iterationTypes === noIterationTypes ? undefined : iterationTypes; + } + /** + * Gets the iteration types of an `Iterator`-like or `AsyncIterator`-like type from the + * cache. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterator` instead. + */ + function getIterationTypesOfIteratorCached(type, resolver) { + return getCachedIterationTypes(type, resolver.iteratorCacheKey); + } + /** + * Gets the iteration types of an `Iterator`-like or `AsyncIterator`-like type from the + * cache or from common heuristics. + * + * If we previously analyzed this type and found no iteration types, `noIterationTypes` is + * returned. If we found iteration types, an `IterationTypes` record is returned. + * Otherwise, we return `undefined` to indicate to the caller it should perform a more + * exhaustive analysis. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterator` instead. + */ + function getIterationTypesOfIteratorFast(type, resolver) { + // As an optimization, if the type is an instantiation of one of the following global types, + // then just grab its related type argument: + // - `IterableIterator` or `AsyncIterableIterator` + // - `Iterator` or `AsyncIterator` + // - `Generator` or `AsyncGenerator` + var globalType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false); + if (isReferenceToType(type, globalType)) { + var yieldType = getTypeArguments(type)[0]; + // The "return" and "next" types of `IterableIterator` and `AsyncIterableIterator` are defined by the + // iteration types of their `next`, `return`, and `throw` methods. While we define these as `any` + // and `undefined` in our libs by default, a custom lib *could* use different definitions. + var globalIterationTypes = getIterationTypesOfIteratorCached(globalType, resolver) || + getIterationTypesOfIteratorSlow(globalType, resolver, /*errorNode*/ undefined); + var _a = globalIterationTypes === noIterationTypes ? defaultIterationTypes : globalIterationTypes, returnType = _a.returnType, nextType = _a.nextType; + return setCachedIterationTypes(type, resolver.iteratorCacheKey, createIterationTypes(yieldType, returnType, nextType)); + } + if (isReferenceToType(type, resolver.getGlobalIteratorType(/*reportErrors*/ false)) || + isReferenceToType(type, resolver.getGlobalGeneratorType(/*reportErrors*/ false))) { + var _b = getTypeArguments(type), yieldType = _b[0], returnType = _b[1], nextType = _b[2]; + return setCachedIterationTypes(type, resolver.iteratorCacheKey, createIterationTypes(yieldType, returnType, nextType)); + } + } + function isIteratorResult(type, kind) { + // From https://tc39.github.io/ecma262/#sec-iteratorresult-interface: + // > [done] is the result status of an iterator `next` method call. If the end of the iterator was reached `done` is `true`. + // > If the end was not reached `done` is `false` and a value is available. + // > If a `done` property (either own or inherited) does not exist, it is consider to have the value `false`. + var doneType = getTypeOfPropertyOfType(type, "done") || falseType; + return isTypeAssignableTo(kind === 0 /* IterationTypeKind.Yield */ ? falseType : trueType, doneType); + } + function isYieldIteratorResult(type) { + return isIteratorResult(type, 0 /* IterationTypeKind.Yield */); + } + function isReturnIteratorResult(type) { + return isIteratorResult(type, 1 /* IterationTypeKind.Return */); + } + /** + * Gets the *yield* and *return* types of an `IteratorResult`-like type. + * + * If we are unable to determine a *yield* or a *return* type, `noIterationTypes` is + * returned to indicate to the caller that it should handle the error. Otherwise, an + * `IterationTypes` record is returned. + */ + function getIterationTypesOfIteratorResult(type) { + if (isTypeAny(type)) { + return anyIterationTypes; + } + var cachedTypes = getCachedIterationTypes(type, "iterationTypesOfIteratorResult"); + if (cachedTypes) { + return cachedTypes; + } + // As an optimization, if the type is an instantiation of one of the global `IteratorYieldResult` + // or `IteratorReturnResult` types, then just grab its type argument. + if (isReferenceToType(type, getGlobalIteratorYieldResultType(/*reportErrors*/ false))) { + var yieldType_1 = getTypeArguments(type)[0]; + return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", createIterationTypes(yieldType_1, /*returnType*/ undefined, /*nextType*/ undefined)); + } + if (isReferenceToType(type, getGlobalIteratorReturnResultType(/*reportErrors*/ false))) { + var returnType_1 = getTypeArguments(type)[0]; + return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", createIterationTypes(/*yieldType*/ undefined, returnType_1, /*nextType*/ undefined)); + } + // Choose any constituents that can produce the requested iteration type. + var yieldIteratorResult = filterType(type, isYieldIteratorResult); + var yieldType = yieldIteratorResult !== neverType ? getTypeOfPropertyOfType(yieldIteratorResult, "value") : undefined; + var returnIteratorResult = filterType(type, isReturnIteratorResult); + var returnType = returnIteratorResult !== neverType ? getTypeOfPropertyOfType(returnIteratorResult, "value") : undefined; + if (!yieldType && !returnType) { + return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", noIterationTypes); + } + // From https://tc39.github.io/ecma262/#sec-iteratorresult-interface + // > ... If the iterator does not have a return value, `value` is `undefined`. In that case, the + // > `value` property may be absent from the conforming object if it does not inherit an explicit + // > `value` property. + return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", createIterationTypes(yieldType, returnType || voidType, /*nextType*/ undefined)); + } + /** + * Gets the *yield*, *return*, and *next* types of a the `next()`, `return()`, or + * `throw()` method of an `Iterator`-like or `AsyncIterator`-like type. + * + * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes` + * record is returned. Otherwise, we return `undefined`. + */ + function getIterationTypesOfMethod(type, resolver, methodName, errorNode) { + var _a, _b, _c, _d; + var method = getPropertyOfType(type, methodName); + // Ignore 'return' or 'throw' if they are missing. + if (!method && methodName !== "next") { + return undefined; + } + var methodType = method && !(methodName === "next" && (method.flags & 16777216 /* SymbolFlags.Optional */)) + ? methodName === "next" ? getTypeOfSymbol(method) : getTypeWithFacts(getTypeOfSymbol(method), 2097152 /* TypeFacts.NEUndefinedOrNull */) + : undefined; + if (isTypeAny(methodType)) { + // `return()` and `throw()` don't provide a *next* type. + return methodName === "next" ? anyIterationTypes : anyIterationTypesExceptNext; + } + // Both async and non-async iterators *must* have a `next` method. + var methodSignatures = methodType ? getSignaturesOfType(methodType, 0 /* SignatureKind.Call */) : ts.emptyArray; + if (methodSignatures.length === 0) { + if (errorNode) { + var diagnostic = methodName === "next" + ? resolver.mustHaveANextMethodDiagnostic + : resolver.mustBeAMethodDiagnostic; + error(errorNode, diagnostic, methodName); + } + return methodName === "next" ? anyIterationTypes : undefined; + } + // If the method signature comes exclusively from the global iterator or generator type, + // create iteration types from its type arguments like `getIterationTypesOfIteratorFast` + // does (so as to remove `undefined` from the next and return types). We arrive here when + // a contextual type for a generator was not a direct reference to one of those global types, + // but looking up `methodType` referred to one of them (and nothing else). E.g., in + // `interface SpecialIterator extends Iterator {}`, `SpecialIterator` is not a + // reference to `Iterator`, but its `next` member derives exclusively from `Iterator`. + if ((methodType === null || methodType === void 0 ? void 0 : methodType.symbol) && methodSignatures.length === 1) { + var globalGeneratorType = resolver.getGlobalGeneratorType(/*reportErrors*/ false); + var globalIteratorType = resolver.getGlobalIteratorType(/*reportErrors*/ false); + var isGeneratorMethod = ((_b = (_a = globalGeneratorType.symbol) === null || _a === void 0 ? void 0 : _a.members) === null || _b === void 0 ? void 0 : _b.get(methodName)) === methodType.symbol; + var isIteratorMethod = !isGeneratorMethod && ((_d = (_c = globalIteratorType.symbol) === null || _c === void 0 ? void 0 : _c.members) === null || _d === void 0 ? void 0 : _d.get(methodName)) === methodType.symbol; + if (isGeneratorMethod || isIteratorMethod) { + var globalType = isGeneratorMethod ? globalGeneratorType : globalIteratorType; + var mapper = methodType.mapper; + return createIterationTypes(getMappedType(globalType.typeParameters[0], mapper), getMappedType(globalType.typeParameters[1], mapper), methodName === "next" ? getMappedType(globalType.typeParameters[2], mapper) : undefined); + } + } + // Extract the first parameter and return type of each signature. + var methodParameterTypes; + var methodReturnTypes; + for (var _i = 0, methodSignatures_1 = methodSignatures; _i < methodSignatures_1.length; _i++) { + var signature = methodSignatures_1[_i]; + if (methodName !== "throw" && ts.some(signature.parameters)) { + methodParameterTypes = ts.append(methodParameterTypes, getTypeAtPosition(signature, 0)); + } + methodReturnTypes = ts.append(methodReturnTypes, getReturnTypeOfSignature(signature)); + } + // Resolve the *next* or *return* type from the first parameter of a `next()` or + // `return()` method, respectively. + var returnTypes; + var nextType; + if (methodName !== "throw") { + var methodParameterType = methodParameterTypes ? getUnionType(methodParameterTypes) : unknownType; + if (methodName === "next") { + // The value of `next(value)` is *not* awaited by async generators + nextType = methodParameterType; + } + else if (methodName === "return") { + // The value of `return(value)` *is* awaited by async generators + var resolvedMethodParameterType = resolver.resolveIterationType(methodParameterType, errorNode) || anyType; + returnTypes = ts.append(returnTypes, resolvedMethodParameterType); + } + } + // Resolve the *yield* and *return* types from the return type of the method (i.e. `IteratorResult`) + var yieldType; + var methodReturnType = methodReturnTypes ? getIntersectionType(methodReturnTypes) : neverType; + var resolvedMethodReturnType = resolver.resolveIterationType(methodReturnType, errorNode) || anyType; + var iterationTypes = getIterationTypesOfIteratorResult(resolvedMethodReturnType); + if (iterationTypes === noIterationTypes) { + if (errorNode) { + error(errorNode, resolver.mustHaveAValueDiagnostic, methodName); + } + yieldType = anyType; + returnTypes = ts.append(returnTypes, anyType); + } + else { + yieldType = iterationTypes.yieldType; + returnTypes = ts.append(returnTypes, iterationTypes.returnType); + } + return createIterationTypes(yieldType, getUnionType(returnTypes), nextType); + } + /** + * Gets the *yield*, *return*, and *next* types of an `Iterator`-like or `AsyncIterator`-like + * type from its members. + * + * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes` + * record is returned. Otherwise, `noIterationTypes` is returned. + * + * NOTE: You probably don't want to call this directly and should be calling + * `getIterationTypesOfIterator` instead. + */ + function getIterationTypesOfIteratorSlow(type, resolver, errorNode) { + var iterationTypes = combineIterationTypes([ + getIterationTypesOfMethod(type, resolver, "next", errorNode), + getIterationTypesOfMethod(type, resolver, "return", errorNode), + getIterationTypesOfMethod(type, resolver, "throw", errorNode), + ]); + return setCachedIterationTypes(type, resolver.iteratorCacheKey, iterationTypes); + } + /** + * Gets the requested "iteration type" from a type that is either `Iterable`-like, `Iterator`-like, + * `IterableIterator`-like, or `Generator`-like (for a non-async generator); or `AsyncIterable`-like, + * `AsyncIterator`-like, `AsyncIterableIterator`-like, or `AsyncGenerator`-like (for an async generator). + */ + function getIterationTypeOfGeneratorFunctionReturnType(kind, returnType, isAsyncGenerator) { + if (isTypeAny(returnType)) { + return undefined; + } + var iterationTypes = getIterationTypesOfGeneratorFunctionReturnType(returnType, isAsyncGenerator); + return iterationTypes && iterationTypes[getIterationTypesKeyFromIterationTypeKind(kind)]; + } + function getIterationTypesOfGeneratorFunctionReturnType(type, isAsyncGenerator) { + if (isTypeAny(type)) { + return anyIterationTypes; + } + var use = isAsyncGenerator ? 2 /* IterationUse.AsyncGeneratorReturnType */ : 1 /* IterationUse.GeneratorReturnType */; + var resolver = isAsyncGenerator ? asyncIterationTypesResolver : syncIterationTypesResolver; + return getIterationTypesOfIterable(type, use, /*errorNode*/ undefined) || + getIterationTypesOfIterator(type, resolver, /*errorNode*/ undefined); + } + function checkBreakOrContinueStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) + checkGrammarBreakOrContinueStatement(node); + // TODO: Check that target label is valid + } + function unwrapReturnType(returnType, functionFlags) { + var isGenerator = !!(functionFlags & 1 /* FunctionFlags.Generator */); + var isAsync = !!(functionFlags & 2 /* FunctionFlags.Async */); + return isGenerator ? getIterationTypeOfGeneratorFunctionReturnType(1 /* IterationTypeKind.Return */, returnType, isAsync) || errorType : + isAsync ? getAwaitedTypeNoAlias(returnType) || errorType : + returnType; + } + function isUnwrappedReturnTypeVoidOrAny(func, returnType) { + var unwrappedReturnType = unwrapReturnType(returnType, ts.getFunctionFlags(func)); + return !!unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 16384 /* TypeFlags.Void */ | 3 /* TypeFlags.AnyOrUnknown */); + } + function checkReturnStatement(node) { + var _a; + // Grammar checking + if (checkGrammarStatementInAmbientContext(node)) { + return; + } + var container = ts.getContainingFunctionOrClassStaticBlock(node); + if (container && ts.isClassStaticBlockDeclaration(container)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_cannot_be_used_inside_a_class_static_block); + return; + } + if (!container) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + return; + } + var signature = getSignatureFromDeclaration(container); + var returnType = getReturnTypeOfSignature(signature); + var functionFlags = ts.getFunctionFlags(container); + if (strictNullChecks || node.expression || returnType.flags & 131072 /* TypeFlags.Never */) { + var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType; + if (container.kind === 173 /* SyntaxKind.SetAccessor */) { + if (node.expression) { + error(node, ts.Diagnostics.Setters_cannot_return_a_value); + } + } + else if (container.kind === 171 /* SyntaxKind.Constructor */) { + if (node.expression && !checkTypeAssignableToAndOptionallyElaborate(exprType, returnType, node, node.expression)) { + error(node, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (getReturnTypeFromAnnotation(container)) { + var unwrappedReturnType = (_a = unwrapReturnType(returnType, functionFlags)) !== null && _a !== void 0 ? _a : returnType; + var unwrappedExprType = functionFlags & 2 /* FunctionFlags.Async */ + ? checkAwaitedType(exprType, /*withAlias*/ false, node, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member) + : exprType; + if (unwrappedReturnType) { + // If the function has a return type, but promisedType is + // undefined, an error will be reported in checkAsyncFunctionReturnType + // so we don't need to report one here. + checkTypeAssignableToAndOptionallyElaborate(unwrappedExprType, unwrappedReturnType, node, node.expression); + } + } + } + else if (container.kind !== 171 /* SyntaxKind.Constructor */ && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(container, returnType)) { + // The function has a return type, but the return statement doesn't have an expression. + error(node, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + function checkWithStatement(node) { + // Grammar checking for withStatement + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.flags & 32768 /* NodeFlags.AwaitContext */) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var start = ts.getSpanOfTokenAtPosition(sourceFile, node.pos).start; + var end = node.statement.pos; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any); + } + } + function checkSwitchStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + var expressionIsLiteral = isLiteralType(expressionType); + ts.forEach(node.caseBlock.clauses, function (clause) { + // Grammar check for duplicate default clauses, skip if we already report duplicate default clause + if (clause.kind === 290 /* SyntaxKind.DefaultClause */ && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + grammarErrorOnNode(clause, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (clause.kind === 289 /* SyntaxKind.CaseClause */) { + addLazyDiagnostic(createLazyCaseClauseDiagnostics(clause)); + } + ts.forEach(clause.statements, checkSourceElement); + if (compilerOptions.noFallthroughCasesInSwitch && clause.fallthroughFlowNode && isReachableFlowNode(clause.fallthroughFlowNode)) { + error(clause, ts.Diagnostics.Fallthrough_case_in_switch); + } + function createLazyCaseClauseDiagnostics(clause) { + return function () { + // TypeScript 1.0 spec (April 2014): 5.9 + // In a 'switch' statement, each 'case' expression must be of a type that is comparable + // to or from the type of the 'switch' expression. + var caseType = checkExpression(clause.expression); + var caseIsLiteral = isLiteralType(caseType); + var comparedExpressionType = expressionType; + if (!caseIsLiteral || !expressionIsLiteral) { + caseType = caseIsLiteral ? getBaseTypeOfLiteralType(caseType) : caseType; + comparedExpressionType = getBaseTypeOfLiteralType(expressionType); + } + if (!isTypeEqualityComparableTo(comparedExpressionType, caseType)) { + // expressionType is not comparable to caseType, try the reversed check and report errors if it fails + checkTypeComparableTo(caseType, comparedExpressionType, clause.expression, /*headMessage*/ undefined); + } + }; + } + }); + if (node.caseBlock.locals) { + registerForUnusedIdentifiersCheck(node.caseBlock); + } + } + function checkLabeledStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + ts.findAncestor(node.parent, function (current) { + if (ts.isFunctionLike(current)) { + return "quit"; + } + if (current.kind === 250 /* SyntaxKind.LabeledStatement */ && current.label.escapedText === node.label.escapedText) { + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNode(node.label)); + return true; + } + return false; + }); + } + // ensure that label is unique + checkSourceElement(node.statement); + } + function checkThrowStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + if (ts.isIdentifier(node.expression) && !node.expression.escapedText) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } + } + function checkTryStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + // Grammar checking + if (catchClause.variableDeclaration) { + var declaration = catchClause.variableDeclaration; + var typeNode = ts.getEffectiveTypeAnnotationNode(ts.getRootDeclaration(declaration)); + if (typeNode) { + var type = getTypeForVariableLikeDeclaration(declaration, /*includeOptionality*/ false, 0 /* CheckMode.Normal */); + if (type && !(type.flags & 3 /* TypeFlags.AnyOrUnknown */)) { + grammarErrorOnFirstToken(typeNode, ts.Diagnostics.Catch_clause_variable_type_annotation_must_be_any_or_unknown_if_specified); + } + } + else if (declaration.initializer) { + grammarErrorOnFirstToken(declaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var blockLocals_1 = catchClause.block.locals; + if (blockLocals_1) { + ts.forEachKey(catchClause.locals, function (caughtName) { + var blockLocal = blockLocals_1.get(caughtName); + if ((blockLocal === null || blockLocal === void 0 ? void 0 : blockLocal.valueDeclaration) && (blockLocal.flags & 2 /* SymbolFlags.BlockScopedVariable */) !== 0) { + grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName); + } + }); + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } + } + function checkIndexConstraints(type, symbol, isStaticIndex) { + var indexInfos = getIndexInfosOfType(type); + if (indexInfos.length === 0) { + return; + } + for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!(isStaticIndex && prop.flags & 4194304 /* SymbolFlags.Prototype */)) { + checkIndexConstraintForProperty(type, prop, getLiteralTypeFromProperty(prop, 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */, /*includeNonPublic*/ true), getNonMissingTypeOfSymbol(prop)); + } + } + var typeDeclaration = symbol.valueDeclaration; + if (typeDeclaration && ts.isClassLike(typeDeclaration)) { + for (var _b = 0, _c = typeDeclaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + // Only process instance properties with computed names here. Static properties cannot be in conflict with indexers, + // and properties with literal names were already checked. + if (!ts.isStatic(member) && !hasBindableName(member)) { + var symbol_3 = getSymbolOfNode(member); + checkIndexConstraintForProperty(type, symbol_3, getTypeOfExpression(member.name.expression), getNonMissingTypeOfSymbol(symbol_3)); + } + } + } + if (indexInfos.length > 1) { + for (var _d = 0, indexInfos_8 = indexInfos; _d < indexInfos_8.length; _d++) { + var info = indexInfos_8[_d]; + checkIndexConstraintForIndexSignature(type, info); + } + } + } + function checkIndexConstraintForProperty(type, prop, propNameType, propType) { + var declaration = prop.valueDeclaration; + var name = ts.getNameOfDeclaration(declaration); + if (name && ts.isPrivateIdentifier(name)) { + return; + } + var indexInfos = getApplicableIndexInfos(type, propNameType); + var interfaceDeclaration = ts.getObjectFlags(type) & 2 /* ObjectFlags.Interface */ ? ts.getDeclarationOfKind(type.symbol, 258 /* SyntaxKind.InterfaceDeclaration */) : undefined; + var localPropDeclaration = declaration && declaration.kind === 221 /* SyntaxKind.BinaryExpression */ || + name && name.kind === 162 /* SyntaxKind.ComputedPropertyName */ || getParentOfSymbol(prop) === type.symbol ? declaration : undefined; + var _loop_28 = function (info) { + var localIndexDeclaration = info.declaration && getParentOfSymbol(getSymbolOfNode(info.declaration)) === type.symbol ? info.declaration : undefined; + // We check only when (a) the property is declared in the containing type, or (b) the applicable index signature is declared + // in the containing type, or (c) the containing type is an interface and no base interface contains both the property and + // the index signature (i.e. property and index signature are declared in separate inherited interfaces). + var errorNode = localPropDeclaration || localIndexDeclaration || + (interfaceDeclaration && !ts.some(getBaseTypes(type), function (base) { return !!getPropertyOfObjectType(base, prop.escapedName) && !!getIndexTypeOfType(base, info.keyType); }) ? interfaceDeclaration : undefined); + if (errorNode && !isTypeAssignableTo(propType, info.type)) { + error(errorNode, ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_2_index_type_3, symbolToString(prop), typeToString(propType), typeToString(info.keyType), typeToString(info.type)); + } + }; + for (var _i = 0, indexInfos_9 = indexInfos; _i < indexInfos_9.length; _i++) { + var info = indexInfos_9[_i]; + _loop_28(info); + } + } + function checkIndexConstraintForIndexSignature(type, checkInfo) { + var declaration = checkInfo.declaration; + var indexInfos = getApplicableIndexInfos(type, checkInfo.keyType); + var interfaceDeclaration = ts.getObjectFlags(type) & 2 /* ObjectFlags.Interface */ ? ts.getDeclarationOfKind(type.symbol, 258 /* SyntaxKind.InterfaceDeclaration */) : undefined; + var localCheckDeclaration = declaration && getParentOfSymbol(getSymbolOfNode(declaration)) === type.symbol ? declaration : undefined; + var _loop_29 = function (info) { + if (info === checkInfo) + return "continue"; + var localIndexDeclaration = info.declaration && getParentOfSymbol(getSymbolOfNode(info.declaration)) === type.symbol ? info.declaration : undefined; + // We check only when (a) the check index signature is declared in the containing type, or (b) the applicable index + // signature is declared in the containing type, or (c) the containing type is an interface and no base interface contains + // both index signatures (i.e. the index signatures are declared in separate inherited interfaces). + var errorNode = localCheckDeclaration || localIndexDeclaration || + (interfaceDeclaration && !ts.some(getBaseTypes(type), function (base) { return !!getIndexInfoOfType(base, checkInfo.keyType) && !!getIndexTypeOfType(base, info.keyType); }) ? interfaceDeclaration : undefined); + if (errorNode && !isTypeAssignableTo(checkInfo.type, info.type)) { + error(errorNode, ts.Diagnostics._0_index_type_1_is_not_assignable_to_2_index_type_3, typeToString(checkInfo.keyType), typeToString(checkInfo.type), typeToString(info.keyType), typeToString(info.type)); + } + }; + for (var _i = 0, indexInfos_10 = indexInfos; _i < indexInfos_10.length; _i++) { + var info = indexInfos_10[_i]; + _loop_29(info); + } + } + function checkTypeNameIsReserved(name, message) { + // TS 1.0 spec (April 2014): 3.6.1 + // The predefined type keywords are reserved and cannot be used as names of user defined types. + switch (name.escapedText) { + case "any": + case "unknown": + case "never": + case "number": + case "bigint": + case "boolean": + case "string": + case "symbol": + case "void": + case "object": + error(name, message, name.escapedText); + } + } + /** + * The name cannot be used as 'Object' of user defined types with special target. + */ + function checkClassNameCollisionWithObject(name) { + if (languageVersion >= 1 /* ScriptTarget.ES5 */ && name.escapedText === "Object" + && (moduleKind < ts.ModuleKind.ES2015 || ts.getSourceFileOfNode(name).impliedNodeFormat === ts.ModuleKind.CommonJS)) { + error(name, ts.Diagnostics.Class_name_cannot_be_Object_when_targeting_ES5_with_module_0, ts.ModuleKind[moduleKind]); // https://github.com/Microsoft/TypeScript/issues/17494 + } + } + function checkUnmatchedJSDocParameters(node) { + var jsdocParameters = ts.filter(ts.getJSDocTags(node), ts.isJSDocParameterTag); + if (!ts.length(jsdocParameters)) + return; + var isJs = ts.isInJSFile(node); + var parameters = new ts.Set(); + var excludedParameters = new ts.Set(); + ts.forEach(node.parameters, function (_a, index) { + var name = _a.name; + if (ts.isIdentifier(name)) { + parameters.add(name.escapedText); + } + if (ts.isBindingPattern(name)) { + excludedParameters.add(index); + } + }); + var containsArguments = containsArgumentsReference(node); + if (containsArguments) { + var lastJSDocParam = ts.lastOrUndefined(jsdocParameters); + if (isJs && lastJSDocParam && ts.isIdentifier(lastJSDocParam.name) && lastJSDocParam.typeExpression && + lastJSDocParam.typeExpression.type && !parameters.has(lastJSDocParam.name.escapedText) && !isArrayType(getTypeFromTypeNode(lastJSDocParam.typeExpression.type))) { + error(lastJSDocParam.name, ts.Diagnostics.JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_It_would_match_arguments_if_it_had_an_array_type, ts.idText(lastJSDocParam.name)); + } + } + else { + ts.forEach(jsdocParameters, function (_a, index) { + var name = _a.name; + if (excludedParameters.has(index) || ts.isIdentifier(name) && parameters.has(name.escapedText)) { + return; + } + if (ts.isQualifiedName(name)) { + if (isJs) { + error(name, ts.Diagnostics.Qualified_name_0_is_not_allowed_without_a_leading_param_object_1, ts.entityNameToString(name), ts.entityNameToString(name.left)); + } + } + else { + errorOrSuggestion(isJs, name, ts.Diagnostics.JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name, ts.idText(name)); + } + }); + } + } + /** + * Check each type parameter and check that type parameters have no duplicate type parameter declarations + */ + function checkTypeParameters(typeParameterDeclarations) { + var seenDefault = false; + if (typeParameterDeclarations) { + for (var i = 0; i < typeParameterDeclarations.length; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + addLazyDiagnostic(createCheckTypeParameterDiagnostic(node, i)); + } + } + function createCheckTypeParameterDiagnostic(node, i) { + return function () { + if (node.default) { + seenDefault = true; + checkTypeParametersNotReferenced(node.default, typeParameterDeclarations, i); + } + else if (seenDefault) { + error(node, ts.Diagnostics.Required_type_parameters_may_not_follow_optional_type_parameters); + } + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + }; + } + } + /** Check that type parameter defaults only reference previously declared type parameters */ + function checkTypeParametersNotReferenced(root, typeParameters, index) { + visit(root); + function visit(node) { + if (node.kind === 178 /* SyntaxKind.TypeReference */) { + var type = getTypeFromTypeReference(node); + if (type.flags & 262144 /* TypeFlags.TypeParameter */) { + for (var i = index; i < typeParameters.length; i++) { + if (type.symbol === getSymbolOfNode(typeParameters[i])) { + error(node, ts.Diagnostics.Type_parameter_defaults_can_only_reference_previously_declared_type_parameters); + } + } + } + } + ts.forEachChild(node, visit); + } + } + /** Check that type parameter lists are identical across multiple declarations */ + function checkTypeParameterListsIdentical(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + return; + } + var links = getSymbolLinks(symbol); + if (!links.typeParametersChecked) { + links.typeParametersChecked = true; + var declarations = getClassOrInterfaceDeclarationsOfSymbol(symbol); + if (!declarations || declarations.length <= 1) { + return; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!areTypeParametersIdentical(declarations, type.localTypeParameters, ts.getEffectiveTypeParameterDeclarations)) { + // Report an error on every conflicting declaration. + var name = symbolToString(symbol); + for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) { + var declaration = declarations_7[_i]; + error(declaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, name); + } + } + } + } + function areTypeParametersIdentical(declarations, targetParameters, getTypeParameterDeclarations) { + var maxTypeArgumentCount = ts.length(targetParameters); + var minTypeArgumentCount = getMinTypeArgumentCount(targetParameters); + for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { + var declaration = declarations_8[_i]; + // If this declaration has too few or too many type parameters, we report an error + var sourceParameters = getTypeParameterDeclarations(declaration); + var numTypeParameters = sourceParameters.length; + if (numTypeParameters < minTypeArgumentCount || numTypeParameters > maxTypeArgumentCount) { + return false; + } + for (var i = 0; i < numTypeParameters; i++) { + var source = sourceParameters[i]; + var target = targetParameters[i]; + // If the type parameter node does not have the same as the resolved type + // parameter at this position, we report an error. + if (source.name.escapedText !== target.symbol.escapedName) { + return false; + } + // If the type parameter node does not have an identical constraint as the resolved + // type parameter at this position, we report an error. + var constraint = ts.getEffectiveConstraintOfTypeParameter(source); + var sourceConstraint = constraint && getTypeFromTypeNode(constraint); + var targetConstraint = getConstraintOfTypeParameter(target); + // relax check if later interface augmentation has no constraint, it's more broad and is OK to merge with + // a more constrained interface (this could be generalized to a full hierarchy check, but that's maybe overkill) + if (sourceConstraint && targetConstraint && !isTypeIdenticalTo(sourceConstraint, targetConstraint)) { + return false; + } + // If the type parameter node has a default and it is not identical to the default + // for the type parameter at this position, we report an error. + var sourceDefault = source.default && getTypeFromTypeNode(source.default); + var targetDefault = getDefaultFromTypeParameter(target); + if (sourceDefault && targetDefault && !isTypeIdenticalTo(sourceDefault, targetDefault)) { + return false; + } + } + } + return true; + } + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); + } + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + registerForUnusedIdentifiersCheck(node); + } + function checkClassDeclaration(node) { + if (ts.some(node.decorators) && ts.some(node.members, function (p) { return ts.hasStaticModifier(p) && ts.isPrivateIdentifierClassElementDeclaration(p); })) { + grammarErrorOnNode(node.decorators[0], ts.Diagnostics.Class_decorators_can_t_be_used_with_static_private_identifier_Consider_removing_the_experimental_decorator); + } + if (!node.name && !ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + registerForUnusedIdentifiersCheck(node); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassLikeDeclaration(node); + checkDecorators(node); + checkCollisionsForDeclarationName(node, node.name); + checkTypeParameters(ts.getEffectiveTypeParameterDeclarations(node)); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + checkTypeParameterListsIdentical(symbol); + checkFunctionOrConstructorSymbol(symbol); + checkClassForDuplicateDeclarations(node); + // Only check for reserved static identifiers on non-ambient context. + var nodeInAmbientContext = !!(node.flags & 16777216 /* NodeFlags.Ambient */); + if (!nodeInAmbientContext) { + checkClassForStaticPropertyNameConflicts(node); + } + var baseTypeNode = ts.getEffectiveBaseTypeNode(node); + if (baseTypeNode) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + checkExternalEmitHelpers(baseTypeNode.parent, 1 /* ExternalEmitHelpers.Extends */); + } + // check both @extends and extends if both are specified. + var extendsNode = ts.getClassExtendsHeritageElement(node); + if (extendsNode && extendsNode !== baseTypeNode) { + checkExpression(extendsNode.expression); + } + var baseTypes_2 = getBaseTypes(type); + if (baseTypes_2.length) { + addLazyDiagnostic(function () { + var baseType = baseTypes_2[0]; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + var staticBaseType = getApparentType(baseConstructorType); + checkBaseTypeAccessibility(staticBaseType, baseTypeNode); + checkSourceElement(baseTypeNode.expression); + if (ts.some(baseTypeNode.typeArguments)) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments, baseTypeNode); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(baseTypeNode, constructor.typeParameters)) { + break; + } + } + } + var baseWithThis = getTypeWithThisArgument(baseType, type.thisType); + if (!checkTypeAssignableTo(typeWithThis, baseWithThis, /*errorNode*/ undefined)) { + issueMemberSpecificError(node, typeWithThis, baseWithThis, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + } + else { + // Report static side error only when instance type is assignable + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + } + if (baseConstructorType.flags & 8650752 /* TypeFlags.TypeVariable */) { + if (!isMixinConstructorType(staticType)) { + error(node.name || node, ts.Diagnostics.A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any); + } + else { + var constructSignatures = getSignaturesOfType(baseConstructorType, 1 /* SignatureKind.Construct */); + if (constructSignatures.some(function (signature) { return signature.flags & 4 /* SignatureFlags.Abstract */; }) && !ts.hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */)) { + error(node.name || node, ts.Diagnostics.A_mixin_class_that_extends_from_a_type_variable_containing_an_abstract_construct_signature_must_also_be_declared_abstract); + } + } + } + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32 /* SymbolFlags.Class */) && !(baseConstructorType.flags & 8650752 /* TypeFlags.TypeVariable */)) { + // When the static base type is a "class-like" constructor function (but not actually a class), we verify + // that all instantiated base constructor signatures return the same type. + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments, baseTypeNode); + if (ts.forEach(constructors, function (sig) { return !isJSConstructor(sig.declaration) && !isTypeIdenticalTo(getReturnTypeOfSignature(sig), baseType); })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType); + }); + } + } + checkMembersForOverrideModifier(node, type, typeWithThis, staticType); + var implementedTypeNodes = ts.getEffectiveImplementsTypeNodes(node); + if (implementedTypeNodes) { + for (var _i = 0, implementedTypeNodes_1 = implementedTypeNodes; _i < implementedTypeNodes_1.length; _i++) { + var typeRefNode = implementedTypeNodes_1[_i]; + if (!ts.isEntityNameExpression(typeRefNode.expression) || ts.isOptionalChain(typeRefNode.expression)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + addLazyDiagnostic(createImplementsDiagnostics(typeRefNode)); + } + } + addLazyDiagnostic(function () { + checkIndexConstraints(type, symbol); + checkIndexConstraints(staticType, symbol, /*isStaticIndex*/ true); + checkTypeForDuplicateIndexSignatures(node); + checkPropertyInitialization(node); + }); + function createImplementsDiagnostics(typeRefNode) { + return function () { + var t = getReducedType(getTypeFromTypeNode(typeRefNode)); + if (!isErrorType(t)) { + if (isValidBaseType(t)) { + var genericDiag = t.symbol && t.symbol.flags & 32 /* SymbolFlags.Class */ ? + ts.Diagnostics.Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass : + ts.Diagnostics.Class_0_incorrectly_implements_interface_1; + var baseWithThis = getTypeWithThisArgument(t, type.thisType); + if (!checkTypeAssignableTo(typeWithThis, baseWithThis, /*errorNode*/ undefined)) { + issueMemberSpecificError(node, typeWithThis, baseWithThis, genericDiag); + } + } + else { + error(typeRefNode, ts.Diagnostics.A_class_can_only_implement_an_object_type_or_intersection_of_object_types_with_statically_known_members); + } + } + }; + } + } + function checkMembersForOverrideModifier(node, type, typeWithThis, staticType) { + var baseTypeNode = ts.getEffectiveBaseTypeNode(node); + var baseTypes = baseTypeNode && getBaseTypes(type); + var baseWithThis = (baseTypes === null || baseTypes === void 0 ? void 0 : baseTypes.length) ? getTypeWithThisArgument(ts.first(baseTypes), type.thisType) : undefined; + var baseStaticType = getBaseConstructorTypeOfClass(type); + var _loop_30 = function (member) { + if (ts.hasAmbientModifier(member)) { + return "continue"; + } + if (ts.isConstructorDeclaration(member)) { + ts.forEach(member.parameters, function (param) { + if (ts.isParameterPropertyDeclaration(param, member)) { + checkExistingMemberForOverrideModifier(node, staticType, baseStaticType, baseWithThis, type, typeWithThis, param, + /* memberIsParameterProperty */ true); + } + }); + } + checkExistingMemberForOverrideModifier(node, staticType, baseStaticType, baseWithThis, type, typeWithThis, member, + /* memberIsParameterProperty */ false); + }; + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + _loop_30(member); + } + } + /** + * @param member Existing member node to be checked. + * Note: `member` cannot be a synthetic node. + */ + function checkExistingMemberForOverrideModifier(node, staticType, baseStaticType, baseWithThis, type, typeWithThis, member, memberIsParameterProperty, reportErrors) { + if (reportErrors === void 0) { reportErrors = true; } + var declaredProp = member.name + && getSymbolAtLocation(member.name) + || getSymbolAtLocation(member); + if (!declaredProp) { + return 0 /* MemberOverrideStatus.Ok */; + } + return checkMemberForOverrideModifier(node, staticType, baseStaticType, baseWithThis, type, typeWithThis, ts.hasOverrideModifier(member), ts.hasAbstractModifier(member), ts.isStatic(member), memberIsParameterProperty, ts.symbolName(declaredProp), reportErrors ? member : undefined); + } + /** + * Checks a class member declaration for either a missing or an invalid `override` modifier. + * Note: this function can be used for speculative checking, + * i.e. checking a member that does not yet exist in the program. + * An example of that would be to call this function in a completions scenario, + * when offering a method declaration as completion. + * @param errorNode The node where we should report an error, or undefined if we should not report errors. + */ + function checkMemberForOverrideModifier(node, staticType, baseStaticType, baseWithThis, type, typeWithThis, memberHasOverrideModifier, memberHasAbstractModifier, memberIsStatic, memberIsParameterProperty, memberName, errorNode) { + var isJs = ts.isInJSFile(node); + var nodeInAmbientContext = !!(node.flags & 16777216 /* NodeFlags.Ambient */); + if (baseWithThis && (memberHasOverrideModifier || compilerOptions.noImplicitOverride)) { + var memberEscapedName = ts.escapeLeadingUnderscores(memberName); + var thisType = memberIsStatic ? staticType : typeWithThis; + var baseType = memberIsStatic ? baseStaticType : baseWithThis; + var prop = getPropertyOfType(thisType, memberEscapedName); + var baseProp = getPropertyOfType(baseType, memberEscapedName); + var baseClassName = typeToString(baseWithThis); + if (prop && !baseProp && memberHasOverrideModifier) { + if (errorNode) { + var suggestion = getSuggestedSymbolForNonexistentClassMember(memberName, baseType); // Again, using symbol name: note that's different from `symbol.escapedName` + suggestion ? + error(errorNode, isJs ? + ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0_Did_you_mean_1 : + ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0_Did_you_mean_1, baseClassName, symbolToString(suggestion)) : + error(errorNode, isJs ? + ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0 : + ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0, baseClassName); + } + return 2 /* MemberOverrideStatus.HasInvalidOverride */; + } + else if (prop && (baseProp === null || baseProp === void 0 ? void 0 : baseProp.declarations) && compilerOptions.noImplicitOverride && !nodeInAmbientContext) { + var baseHasAbstract = ts.some(baseProp.declarations, ts.hasAbstractModifier); + if (memberHasOverrideModifier) { + return 0 /* MemberOverrideStatus.Ok */; + } + if (!baseHasAbstract) { + if (errorNode) { + var diag = memberIsParameterProperty ? + isJs ? + ts.Diagnostics.This_parameter_property_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0 : + ts.Diagnostics.This_parameter_property_must_have_an_override_modifier_because_it_overrides_a_member_in_base_class_0 : + isJs ? + ts.Diagnostics.This_member_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0 : + ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_a_member_in_the_base_class_0; + error(errorNode, diag, baseClassName); + } + return 1 /* MemberOverrideStatus.NeedsOverride */; + } + else if (memberHasAbstractModifier && baseHasAbstract) { + if (errorNode) { + error(errorNode, ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_an_abstract_method_that_is_declared_in_the_base_class_0, baseClassName); + } + return 1 /* MemberOverrideStatus.NeedsOverride */; + } + } + } + else if (memberHasOverrideModifier) { + if (errorNode) { + var className = typeToString(type); + error(errorNode, isJs ? + ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_its_containing_class_0_does_not_extend_another_class : + ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_its_containing_class_0_does_not_extend_another_class, className); + } + return 2 /* MemberOverrideStatus.HasInvalidOverride */; + } + return 0 /* MemberOverrideStatus.Ok */; + } + function issueMemberSpecificError(node, typeWithThis, baseWithThis, broadDiag) { + // iterate over all implemented properties and issue errors on each one which isn't compatible, rather than the class as a whole, if possible + var issuedMemberError = false; + var _loop_31 = function (member) { + if (ts.isStatic(member)) { + return "continue"; + } + var declaredProp = member.name && getSymbolAtLocation(member.name) || getSymbolAtLocation(member); + if (declaredProp) { + var prop = getPropertyOfType(typeWithThis, declaredProp.escapedName); + var baseProp = getPropertyOfType(baseWithThis, declaredProp.escapedName); + if (prop && baseProp) { + var rootChain = function () { return ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2, symbolToString(declaredProp), typeToString(typeWithThis), typeToString(baseWithThis)); }; + if (!checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(baseProp), member.name || member, /*message*/ undefined, rootChain)) { + issuedMemberError = true; + } + } + } + }; + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + _loop_31(member); + } + if (!issuedMemberError) { + // check again with diagnostics to generate a less-specific error + checkTypeAssignableTo(typeWithThis, baseWithThis, node.name || node, broadDiag); + } + } + function checkBaseTypeAccessibility(type, node) { + var signatures = getSignaturesOfType(type, 1 /* SignatureKind.Construct */); + if (signatures.length) { + var declaration = signatures[0].declaration; + if (declaration && ts.hasEffectiveModifier(declaration, 8 /* ModifierFlags.Private */)) { + var typeClassDeclaration = ts.getClassLikeDeclarationOfSymbol(type.symbol); + if (!isNodeWithinClass(node, typeClassDeclaration)) { + error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol)); + } + } + } + } + /** + * Checks a member declaration node to see if has a missing or invalid `override` modifier. + * @param node Class-like node where the member is declared. + * @param member Member declaration node. + * Note: `member` can be a synthetic node without a parent. + */ + function getMemberOverrideModifierStatus(node, member) { + if (!member.name) { + return 0 /* MemberOverrideStatus.Ok */; + } + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + var baseTypeNode = ts.getEffectiveBaseTypeNode(node); + var baseTypes = baseTypeNode && getBaseTypes(type); + var baseWithThis = (baseTypes === null || baseTypes === void 0 ? void 0 : baseTypes.length) ? getTypeWithThisArgument(ts.first(baseTypes), type.thisType) : undefined; + var baseStaticType = getBaseConstructorTypeOfClass(type); + var memberHasOverrideModifier = member.parent + ? ts.hasOverrideModifier(member) + : ts.hasSyntacticModifier(member, 16384 /* ModifierFlags.Override */); + var memberName = ts.unescapeLeadingUnderscores(ts.getTextOfPropertyName(member.name)); + return checkMemberForOverrideModifier(node, staticType, baseStaticType, baseWithThis, type, typeWithThis, memberHasOverrideModifier, ts.hasAbstractModifier(member), ts.isStatic(member), + /* memberIsParameterProperty */ false, memberName); + } + function getTargetSymbol(s) { + // if symbol is instantiated its flags are not copied from the 'target' + // so we'll need to get back original 'target' symbol to work with correct set of flags + return ts.getCheckFlags(s) & 1 /* CheckFlags.Instantiated */ ? s.target : s; + } + function getClassOrInterfaceDeclarationsOfSymbol(symbol) { + return ts.filter(symbol.declarations, function (d) { + return d.kind === 257 /* SyntaxKind.ClassDeclaration */ || d.kind === 258 /* SyntaxKind.InterfaceDeclaration */; + }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + // TypeScript 1.0 spec (April 2014): 8.2.3 + // A derived class inherits all members from its base class it doesn't override. + // Inheritance means that a derived class implicitly contains all non - overridden members of the base class. + // Both public and private property members are inherited, but only public property members can be overridden. + // A property member in a derived class is said to override a property member in a base class + // when the derived class property member has the same name and kind(instance or static) + // as the base class property member. + // The type of an overriding property member must be assignable(section 3.8.4) + // to the type of the overridden property member, or otherwise a compile - time error occurs. + // Base class instance member functions can be overridden by derived class instance member functions, + // but not by other kinds of members. + // Base class instance member variables and accessors can be overridden by + // derived class instance member variables and accessors, but not by other kinds of members. + var _a, _b; + // NOTE: assignability is checked in checkClassDeclaration + var baseProperties = getPropertiesOfType(baseType); + basePropertyCheck: for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 4194304 /* SymbolFlags.Prototype */) { + continue; + } + var baseSymbol = getPropertyOfObjectType(type, base.escapedName); + if (!baseSymbol) { + continue; + } + var derived = getTargetSymbol(baseSymbol); + var baseDeclarationFlags = ts.getDeclarationModifierFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + // In order to resolve whether the inherited method was overridden in the base class or not, + // we compare the Symbols obtained. Since getTargetSymbol returns the symbol on the *uninstantiated* + // type declaration, derived and base resolve to the same symbol even in the case of generic classes. + if (derived === base) { + // derived class inherits base without override/redeclaration + var derivedClassDecl = ts.getClassLikeDeclarationOfSymbol(type.symbol); + // It is an error to inherit an abstract member without implementing it or being declared abstract. + // If there is no declaration for the derived class (as in the case of class expressions), + // then the class cannot be declared abstract. + if (baseDeclarationFlags & 128 /* ModifierFlags.Abstract */ && (!derivedClassDecl || !ts.hasSyntacticModifier(derivedClassDecl, 128 /* ModifierFlags.Abstract */))) { + // Searches other base types for a declaration that would satisfy the inherited abstract member. + // (The class may have more than one base type via declaration merging with an interface with the + // same name.) + for (var _c = 0, _d = getBaseTypes(type); _c < _d.length; _c++) { + var otherBaseType = _d[_c]; + if (otherBaseType === baseType) + continue; + var baseSymbol_1 = getPropertyOfObjectType(otherBaseType, base.escapedName); + var derivedElsewhere = baseSymbol_1 && getTargetSymbol(baseSymbol_1); + if (derivedElsewhere && derivedElsewhere !== base) { + continue basePropertyCheck; + } + } + if (derivedClassDecl.kind === 226 /* SyntaxKind.ClassExpression */) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } + } + } + else { + // derived overrides base. + var derivedDeclarationFlags = ts.getDeclarationModifierFlagsFromSymbol(derived); + if (baseDeclarationFlags & 8 /* ModifierFlags.Private */ || derivedDeclarationFlags & 8 /* ModifierFlags.Private */) { + // either base or derived property is private - not override, skip it + continue; + } + var errorMessage = void 0; + var basePropertyFlags = base.flags & 98308 /* SymbolFlags.PropertyOrAccessor */; + var derivedPropertyFlags = derived.flags & 98308 /* SymbolFlags.PropertyOrAccessor */; + if (basePropertyFlags && derivedPropertyFlags) { + // property/accessor is overridden with property/accessor + if (baseDeclarationFlags & 128 /* ModifierFlags.Abstract */ && !(base.valueDeclaration && ts.isPropertyDeclaration(base.valueDeclaration) && base.valueDeclaration.initializer) + || base.valueDeclaration && base.valueDeclaration.parent.kind === 258 /* SyntaxKind.InterfaceDeclaration */ + || derived.valueDeclaration && ts.isBinaryExpression(derived.valueDeclaration)) { + // when the base property is abstract or from an interface, base/derived flags don't need to match + // same when the derived property is from an assignment + continue; + } + var overriddenInstanceProperty = basePropertyFlags !== 4 /* SymbolFlags.Property */ && derivedPropertyFlags === 4 /* SymbolFlags.Property */; + var overriddenInstanceAccessor = basePropertyFlags === 4 /* SymbolFlags.Property */ && derivedPropertyFlags !== 4 /* SymbolFlags.Property */; + if (overriddenInstanceProperty || overriddenInstanceAccessor) { + var errorMessage_1 = overriddenInstanceProperty ? + ts.Diagnostics._0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property : + ts.Diagnostics._0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor; + error(ts.getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage_1, symbolToString(base), typeToString(baseType), typeToString(type)); + } + else if (useDefineForClassFields) { + var uninitialized = (_a = derived.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return d.kind === 167 /* SyntaxKind.PropertyDeclaration */ && !d.initializer; }); + if (uninitialized + && !(derived.flags & 33554432 /* SymbolFlags.Transient */) + && !(baseDeclarationFlags & 128 /* ModifierFlags.Abstract */) + && !(derivedDeclarationFlags & 128 /* ModifierFlags.Abstract */) + && !((_b = derived.declarations) === null || _b === void 0 ? void 0 : _b.some(function (d) { return !!(d.flags & 16777216 /* NodeFlags.Ambient */); }))) { + var constructor = findConstructorDeclaration(ts.getClassLikeDeclarationOfSymbol(type.symbol)); + var propName = uninitialized.name; + if (uninitialized.exclamationToken + || !constructor + || !ts.isIdentifier(propName) + || !strictNullChecks + || !isPropertyInitializedInConstructor(propName, type, constructor)) { + var errorMessage_2 = ts.Diagnostics.Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_add_a_declare_modifier_or_remove_the_redundant_declaration; + error(ts.getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage_2, symbolToString(base), typeToString(baseType)); + } + } + } + // correct case + continue; + } + else if (isPrototypeProperty(base)) { + if (isPrototypeProperty(derived) || derived.flags & 4 /* SymbolFlags.Property */) { + // method is overridden with method or property -- correct case + continue; + } + else { + ts.Debug.assert(!!(derived.flags & 98304 /* SymbolFlags.Accessor */)); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + } + else if (base.flags & 98304 /* SymbolFlags.Accessor */) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(ts.getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + function getNonInterhitedProperties(type, baseTypes, properties) { + if (!ts.length(baseTypes)) { + return properties; + } + var seen = new ts.Map(); + ts.forEach(properties, function (p) { + seen.set(p.escapedName, p); + }); + for (var _i = 0, baseTypes_3 = baseTypes; _i < baseTypes_3.length; _i++) { + var base = baseTypes_3[_i]; + var properties_5 = getPropertiesOfType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_4 = properties_5; _a < properties_4.length; _a++) { + var prop = properties_4[_a]; + var existing = seen.get(prop.escapedName); + if (existing && prop.parent === existing.parent) { + seen.delete(prop.escapedName); + } + } + } + return ts.arrayFrom(seen.values()); + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = new ts.Map(); + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { + seen.set(p.escapedName, { prop: p, containingType: type }); + }); + var ok = true; + for (var _i = 0, baseTypes_4 = baseTypes; _i < baseTypes_4.length; _i++) { + var base = baseTypes_4[_i]; + var properties = getPropertiesOfType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { + var prop = properties_6[_a]; + var existing = seen.get(prop.escapedName); + if (!existing) { + seen.set(prop.escapedName, { prop: prop, containingType: base }); + } + else { + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkPropertyInitialization(node) { + if (!strictNullChecks || !strictPropertyInitialization || node.flags & 16777216 /* NodeFlags.Ambient */) { + return; + } + var constructor = findConstructorDeclaration(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (ts.getEffectiveModifierFlags(member) & 2 /* ModifierFlags.Ambient */) { + continue; + } + if (!ts.isStatic(member) && isPropertyWithoutInitializer(member)) { + var propName = member.name; + if (ts.isIdentifier(propName) || ts.isPrivateIdentifier(propName) || ts.isComputedPropertyName(propName)) { + var type = getTypeOfSymbol(getSymbolOfNode(member)); + if (!(type.flags & 3 /* TypeFlags.AnyOrUnknown */ || getFalsyFlags(type) & 32768 /* TypeFlags.Undefined */)) { + if (!constructor || !isPropertyInitializedInConstructor(propName, type, constructor)) { + error(member.name, ts.Diagnostics.Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor, ts.declarationNameToString(propName)); + } + } + } + } + } + } + function isPropertyWithoutInitializer(node) { + return node.kind === 167 /* SyntaxKind.PropertyDeclaration */ && + !ts.hasAbstractModifier(node) && + !node.exclamationToken && + !node.initializer; + } + function isPropertyInitializedInStaticBlocks(propName, propType, staticBlocks, startPos, endPos) { + for (var _i = 0, staticBlocks_2 = staticBlocks; _i < staticBlocks_2.length; _i++) { + var staticBlock = staticBlocks_2[_i]; + // static block must be within the provided range as they are evaluated in document order (unlike constructors) + if (staticBlock.pos >= startPos && staticBlock.pos <= endPos) { + var reference = ts.factory.createPropertyAccessExpression(ts.factory.createThis(), propName); + ts.setParent(reference.expression, reference); + ts.setParent(reference, staticBlock); + reference.flowNode = staticBlock.returnFlowNode; + var flowType = getFlowTypeOfReference(reference, propType, getOptionalType(propType)); + if (!(getFalsyFlags(flowType) & 32768 /* TypeFlags.Undefined */)) { + return true; + } + } + } + return false; + } + function isPropertyInitializedInConstructor(propName, propType, constructor) { + var reference = ts.isComputedPropertyName(propName) + ? ts.factory.createElementAccessExpression(ts.factory.createThis(), propName.expression) + : ts.factory.createPropertyAccessExpression(ts.factory.createThis(), propName); + ts.setParent(reference.expression, reference); + ts.setParent(reference, constructor); + reference.flowNode = constructor.returnFlowNode; + var flowType = getFlowTypeOfReference(reference, propType, getOptionalType(propType)); + return !(getFalsyFlags(flowType) & 32768 /* TypeFlags.Undefined */); + } + function checkInterfaceDeclaration(node) { + // Grammar checking + if (!checkGrammarDecoratorsAndModifiers(node)) + checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + addLazyDiagnostic(function () { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + checkTypeParameterListsIdentical(symbol); + // Only check this symbol once + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 258 /* SyntaxKind.InterfaceDeclaration */); + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + // run subsequent checks only if first set succeeded + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type, symbol); + } + } + checkObjectTypeForDuplicateDeclarations(node); + }); + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isEntityNameExpression(heritageElement.expression) || ts.isOptionalChain(heritageElement.expression)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + addLazyDiagnostic(function () { + checkTypeForDuplicateIndexSignatures(node); + registerForUnusedIdentifiersCheck(node); + }); + } + function checkTypeAliasDeclaration(node) { + // Grammar checking + checkGrammarDecoratorsAndModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + checkTypeParameters(node.typeParameters); + if (node.type.kind === 138 /* SyntaxKind.IntrinsicKeyword */) { + if (!intrinsicTypeKinds.has(node.name.escapedText) || ts.length(node.typeParameters) !== 1) { + error(node.type, ts.Diagnostics.The_intrinsic_keyword_can_only_be_used_to_declare_compiler_provided_intrinsic_types); + } + } + else { + checkSourceElement(node.type); + registerForUnusedIdentifiersCheck(node); + } + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384 /* NodeCheckFlags.EnumValuesComputed */)) { + nodeLinks.flags |= 16384 /* NodeCheckFlags.EnumValuesComputed */; + var autoValue = 0; + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + var value = computeMemberValue(member, autoValue); + getNodeLinks(member).enumMemberValue = value; + autoValue = typeof value === "number" ? value + 1 : undefined; + } + } + } + function computeMemberValue(member, autoValue) { + if (ts.isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = ts.getTextOfPropertyName(member.name); + if (ts.isNumericLiteralName(text) && !ts.isInfinityOrNaNString(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + if (member.initializer) { + return computeConstantValue(member); + } + // In ambient non-const numeric enum declarations, enum members without initializers are + // considered computed members (as opposed to having auto-incremented values). + if (member.parent.flags & 16777216 /* NodeFlags.Ambient */ && !ts.isEnumConst(member.parent) && getEnumKind(getSymbolOfNode(member.parent)) === 0 /* EnumKind.Numeric */) { + return undefined; + } + // If the member declaration specifies no value, the member is considered a constant enum member. + // If the member is the first member in the enum declaration, it is assigned the value zero. + // Otherwise, it is assigned the value of the immediately preceding member plus one, and an error + // occurs if the immediately preceding member is not a constant enum member. + if (autoValue !== undefined) { + return autoValue; + } + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + return undefined; + } + function computeConstantValue(member) { + var enumKind = getEnumKind(getSymbolOfNode(member.parent)); + var isConstEnum = ts.isEnumConst(member.parent); + var initializer = member.initializer; + var value = enumKind === 1 /* EnumKind.Literal */ && !isLiteralEnumMember(member) ? undefined : evaluate(initializer); + if (value !== undefined) { + if (isConstEnum && typeof value === "number" && !isFinite(value)) { + error(initializer, isNaN(value) ? + ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN : + ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + else if (enumKind === 1 /* EnumKind.Literal */) { + error(initializer, ts.Diagnostics.Computed_values_are_not_permitted_in_an_enum_with_string_valued_members); + return 0; + } + else if (isConstEnum) { + error(initializer, ts.Diagnostics.const_enum_member_initializers_can_only_contain_literal_values_and_other_computed_enum_values); + } + else if (member.parent.flags & 16777216 /* NodeFlags.Ambient */) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + // Only here do we need to check that the initializer is assignable to the enum type. + var source = checkExpression(initializer); + if (!isTypeAssignableToKind(source, 296 /* TypeFlags.NumberLike */)) { + error(initializer, ts.Diagnostics.Only_numeric_enums_can_have_computed_members_but_this_expression_has_type_0_If_you_do_not_need_exhaustiveness_checks_consider_using_an_object_literal_instead, typeToString(source)); + } + else { + checkTypeAssignableTo(source, getDeclaredTypeOfSymbol(getSymbolOfNode(member.parent)), initializer, /*headMessage*/ undefined); + } + } + return value; + function evaluate(expr) { + switch (expr.kind) { + case 219 /* SyntaxKind.PrefixUnaryExpression */: + var value_2 = evaluate(expr.operand); + if (typeof value_2 === "number") { + switch (expr.operator) { + case 39 /* SyntaxKind.PlusToken */: return value_2; + case 40 /* SyntaxKind.MinusToken */: return -value_2; + case 54 /* SyntaxKind.TildeToken */: return ~value_2; + } + } + break; + case 221 /* SyntaxKind.BinaryExpression */: + var left = evaluate(expr.left); + var right = evaluate(expr.right); + if (typeof left === "number" && typeof right === "number") { + switch (expr.operatorToken.kind) { + case 51 /* SyntaxKind.BarToken */: return left | right; + case 50 /* SyntaxKind.AmpersandToken */: return left & right; + case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: return left >> right; + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: return left >>> right; + case 47 /* SyntaxKind.LessThanLessThanToken */: return left << right; + case 52 /* SyntaxKind.CaretToken */: return left ^ right; + case 41 /* SyntaxKind.AsteriskToken */: return left * right; + case 43 /* SyntaxKind.SlashToken */: return left / right; + case 39 /* SyntaxKind.PlusToken */: return left + right; + case 40 /* SyntaxKind.MinusToken */: return left - right; + case 44 /* SyntaxKind.PercentToken */: return left % right; + case 42 /* SyntaxKind.AsteriskAsteriskToken */: return Math.pow(left, right); + } + } + else if (typeof left === "string" && typeof right === "string" && expr.operatorToken.kind === 39 /* SyntaxKind.PlusToken */) { + return left + right; + } + break; + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return expr.text; + case 8 /* SyntaxKind.NumericLiteral */: + checkGrammarNumericLiteral(expr); + return +expr.text; + case 212 /* SyntaxKind.ParenthesizedExpression */: + return evaluate(expr.expression); + case 79 /* SyntaxKind.Identifier */: + var identifier = expr; + if (ts.isInfinityOrNaNString(identifier.escapedText)) { + return +(identifier.escapedText); + } + return ts.nodeIsMissing(expr) ? 0 : evaluateEnumMember(expr, getSymbolOfNode(member.parent), identifier.escapedText); + case 207 /* SyntaxKind.ElementAccessExpression */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + if (isConstantMemberAccess(expr)) { + var type = getTypeOfExpression(expr.expression); + if (type.symbol && type.symbol.flags & 384 /* SymbolFlags.Enum */) { + var name = void 0; + if (expr.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + name = expr.name.escapedText; + } + else { + name = ts.escapeLeadingUnderscores(ts.cast(expr.argumentExpression, ts.isLiteralExpression).text); + } + return evaluateEnumMember(expr, type.symbol, name); + } + } + break; + } + return undefined; + } + function evaluateEnumMember(expr, enumSymbol, name) { + var memberSymbol = enumSymbol.exports.get(name); + if (memberSymbol) { + var declaration = memberSymbol.valueDeclaration; + if (declaration !== member) { + if (declaration && isBlockScopedNameDeclaredBeforeUse(declaration, member) && ts.isEnumDeclaration(declaration.parent)) { + return getEnumMemberValue(declaration); + } + error(expr, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return 0; + } + else { + error(expr, ts.Diagnostics.Property_0_is_used_before_being_assigned, symbolToString(memberSymbol)); + } + } + return undefined; + } + } + function isConstantMemberAccess(node) { + var type = getTypeOfExpression(node); + if (type === errorType) { + return false; + } + return node.kind === 79 /* SyntaxKind.Identifier */ || + node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && isConstantMemberAccess(node.expression) || + node.kind === 207 /* SyntaxKind.ElementAccessExpression */ && isConstantMemberAccess(node.expression) && + ts.isStringLiteralLike(node.argumentExpression); + } + function checkEnumDeclaration(node) { + addLazyDiagnostic(function () { return checkEnumDeclarationWorker(node); }); + } + function checkEnumDeclarationWorker(node) { + // Grammar checking + checkGrammarDecoratorsAndModifiers(node); + checkCollisionsForDeclarationName(node, node.name); + checkExportsOnMergedDeclarations(node); + node.members.forEach(checkEnumMember); + computeEnumMemberValues(node); + // Spec 2014 - Section 9.3: + // It isn't possible for one enum declaration to continue the automatic numbering sequence of another, + // and when an enum type has multiple declarations, only one declaration is permitted to omit a value + // for the first member. + // + // Only perform this check once per symbol + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations && enumSymbol.declarations.length > 1) { + var enumIsConst_1 = ts.isEnumConst(node); + // check that const is placed\omitted on all enum declarations + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isEnumDeclaration(decl) && ts.isEnumConst(decl) !== enumIsConst_1) { + error(ts.getNameOfDeclaration(decl), ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + // return true if we hit a violation of the rule, false otherwise + if (declaration.kind !== 260 /* SyntaxKind.EnumDeclaration */) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); + } + } + function checkEnumMember(node) { + if (ts.isPrivateIdentifier(node.name)) { + error(node, ts.Diagnostics.An_enum_member_cannot_be_named_with_a_private_identifier); + } + } + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { + var declaration = declarations_9[_i]; + if ((declaration.kind === 257 /* SyntaxKind.ClassDeclaration */ || + (declaration.kind === 256 /* SyntaxKind.FunctionDeclaration */ && ts.nodeIsPresent(declaration.body))) && + !(declaration.flags & 16777216 /* NodeFlags.Ambient */)) { + return declaration; + } + } + } + return undefined; + } + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); + } + else if (isGlobalSourceFile(container2)) { + return false; + } + else { + return container1 === container2; + } + } + function checkModuleDeclaration(node) { + if (node.body) { + checkSourceElement(node.body); + if (!ts.isGlobalScopeAugmentation(node)) { + registerForUnusedIdentifiersCheck(node); + } + } + addLazyDiagnostic(checkModuleDeclarationDiagnostics); + function checkModuleDeclarationDiagnostics() { + // Grammar checking + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = node.flags & 16777216 /* NodeFlags.Ambient */; + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_at_the_top_level_of_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + // If we hit a module declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecoratorsAndModifiers(node)) { + if (!inAmbientContext && node.name.kind === 10 /* SyntaxKind.StringLiteral */) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + if (ts.isIdentifier(node.name)) { + checkCollisionsForDeclarationName(node, node.name); + } + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + // The following checks only apply on a non-ambient instantiated module declaration. + if (symbol.flags & 512 /* SymbolFlags.ValueModule */ + && !inAmbientContext + && symbol.declarations + && symbol.declarations.length > 1 + && isInstantiatedModule(node, ts.shouldPreserveConstEnums(compilerOptions))) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + // if the module merges with a class declaration in the same lexical scope, + // we need to track this to ensure the correct emit. + var mergedClass = ts.getDeclarationOfKind(symbol, 257 /* SyntaxKind.ClassDeclaration */); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768 /* NodeCheckFlags.LexicalModuleMergesWithClass */; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + // body of the augmentation should be checked for consistency only if augmentation was applied to its target (either global scope or module) + // otherwise we'll be swamped in cascading errors. + // We can detect if augmentation was applied using following rules: + // - augmentation for a global scope is always applied + // - augmentation for some external module is applied if symbol for augmentation is merged (it was combined with target module). + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432 /* SymbolFlags.Transient */); + if (checkBody && node.body) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(node.name))) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + // Node is not an augmentation and is not located on the script level. + // This means that this is declaration of ambient module that is located in other module or namespace which is prohibited. + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } + } + } + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + var _a; + switch (node.kind) { + case 237 /* SyntaxKind.VariableStatement */: + // error each individual name in variable statement instead of marking the entire variable statement + for (var _i = 0, _b = node.declarationList.declarations; _i < _b.length; _i++) { + var decl = _b[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 271 /* SyntaxKind.ExportAssignment */: + case 272 /* SyntaxKind.ExportDeclaration */: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 203 /* SyntaxKind.BindingElement */: + case 254 /* SyntaxKind.VariableDeclaration */: + var name = node.name; + if (ts.isBindingPattern(name)) { + for (var _c = 0, _d = name.elements; _c < _d.length; _c++) { + var el = _d[_c]; + // mark individual names in binding pattern + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + // falls through + case 257 /* SyntaxKind.ClassDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + if (isGlobalAugmentation) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol) { + // module augmentations cannot introduce new names on the top level scope of the module + // this is done it two steps + // 1. quick check - if symbol for node is not merged - this is local symbol to this augmentation - report error + // 2. main check - report error if value declaration of the parent symbol is module augmentation) + var reportError = !(symbol.flags & 33554432 /* SymbolFlags.Transient */); + if (!reportError) { + // symbol should not originate in augmentation + reportError = !!((_a = symbol.parent) === null || _a === void 0 ? void 0 : _a.declarations) && ts.isExternalModuleAugmentation(symbol.parent.declarations[0]); + } + } + break; + } + } + function getFirstNonModuleExportsIdentifier(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return node; + case 161 /* SyntaxKind.QualifiedName */: + do { + node = node.left; + } while (node.kind !== 79 /* SyntaxKind.Identifier */); + return node; + case 206 /* SyntaxKind.PropertyAccessExpression */: + do { + if (ts.isModuleExportsAccessExpression(node.expression) && !ts.isPrivateIdentifier(node.name)) { + return node.name; + } + node = node.expression; + } while (node.kind !== 79 /* SyntaxKind.Identifier */); + return node; + } + } + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!moduleName || ts.nodeIsMissing(moduleName)) { + // Should be a parse error. + return false; + } + if (!ts.isStringLiteral(moduleName)) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 305 /* SyntaxKind.SourceFile */ && !inAmbientExternalModule) { + error(moduleName, node.kind === 272 /* SyntaxKind.ExportDeclaration */ ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + // we have already reported errors on top level imports/exports in external module augmentations in checkModuleDeclaration + // no need to do this again. + if (!isTopLevelInExternalModuleAugmentation(node)) { + // TypeScript 1.0 spec (April 2013): 12.1.6 + // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference + // other external modules only through top - level external module names. + // Relative external module names are not permitted. + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + if (!ts.isImportEqualsDeclaration(node) && node.assertClause) { + var hasError = false; + for (var _i = 0, _a = node.assertClause.elements; _i < _a.length; _i++) { + var clause = _a[_i]; + if (!ts.isStringLiteral(clause.value)) { + hasError = true; + error(clause.value, ts.Diagnostics.Import_assertion_values_must_be_string_literal_expressions); + } + } + return !hasError; + } + return true; + } + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + // For external modules, `symbol` represents the local symbol for an alias. + // This local symbol will merge any other local declarations (excluding other aliases) + // and symbol.flags will contains combined representation for all merged declaration. + // Based on symbol.flags we can compute a set of excluded meanings (meaning that resolved alias should not have, + // otherwise it will conflict with some local declaration). Note that in addition to normal flags we include matching SymbolFlags.Export* + // in order to prevent collisions with declarations that were exported from the current module (they still contribute to local names). + symbol = getMergedSymbol(symbol.exportSymbol || symbol); + var excludedMeanings = (symbol.flags & (111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */) ? 111551 /* SymbolFlags.Value */ : 0) | + (symbol.flags & 788968 /* SymbolFlags.Type */ ? 788968 /* SymbolFlags.Type */ : 0) | + (symbol.flags & 1920 /* SymbolFlags.Namespace */ ? 1920 /* SymbolFlags.Namespace */ : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 275 /* SyntaxKind.ExportSpecifier */ ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + if (compilerOptions.isolatedModules + && !ts.isTypeOnlyImportOrExportDeclaration(node) + && !(node.flags & 16777216 /* NodeFlags.Ambient */)) { + var typeOnlyAlias = getTypeOnlyAliasDeclaration(symbol); + var isType = !(target.flags & 111551 /* SymbolFlags.Value */); + if (isType || typeOnlyAlias) { + switch (node.kind) { + case 267 /* SyntaxKind.ImportClause */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: { + if (compilerOptions.preserveValueImports) { + ts.Debug.assertIsDefined(node.name, "An ImportClause with a symbol should have a name"); + var message = isType + ? ts.Diagnostics._0_is_a_type_and_must_be_imported_using_a_type_only_import_when_preserveValueImports_and_isolatedModules_are_both_enabled + : ts.Diagnostics._0_resolves_to_a_type_only_declaration_and_must_be_imported_using_a_type_only_import_when_preserveValueImports_and_isolatedModules_are_both_enabled; + var name = ts.idText(node.kind === 270 /* SyntaxKind.ImportSpecifier */ ? node.propertyName || node.name : node.name); + addTypeOnlyDeclarationRelatedInfo(error(node, message, name), isType ? undefined : typeOnlyAlias, name); + } + if (isType && node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ && ts.hasEffectiveModifier(node, 1 /* ModifierFlags.Export */)) { + error(node, ts.Diagnostics.Cannot_use_export_import_on_a_type_or_type_only_namespace_when_the_isolatedModules_flag_is_provided); + } + break; + } + case 275 /* SyntaxKind.ExportSpecifier */: { + // Don't allow re-exporting an export that will be elided when `--isolatedModules` is set. + // The exception is that `import type { A } from './a'; export { A }` is allowed + // because single-file analysis can determine that the export should be dropped. + if (ts.getSourceFileOfNode(typeOnlyAlias) !== ts.getSourceFileOfNode(node)) { + var message = isType + ? ts.Diagnostics.Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type + : ts.Diagnostics._0_resolves_to_a_type_only_declaration_and_must_be_re_exported_using_a_type_only_re_export_when_isolatedModules_is_enabled; + var name = ts.idText(node.propertyName || node.name); + addTypeOnlyDeclarationRelatedInfo(error(node, message, name), isType ? undefined : typeOnlyAlias, name); + return; + } + } + } + } + } + if (ts.isImportSpecifier(node)) { + var targetSymbol = checkDeprecatedAliasedSymbol(symbol, node); + if (isDeprecatedAliasedSymbol(targetSymbol) && targetSymbol.declarations) { + addDeprecatedSuggestion(node, targetSymbol.declarations, targetSymbol.escapedName); + } + } + } + } + function isDeprecatedAliasedSymbol(symbol) { + return !!symbol.declarations && ts.every(symbol.declarations, function (d) { return !!(ts.getCombinedNodeFlags(d) & 268435456 /* NodeFlags.Deprecated */); }); + } + function checkDeprecatedAliasedSymbol(symbol, location) { + if (!(symbol.flags & 2097152 /* SymbolFlags.Alias */)) + return symbol; + var targetSymbol = resolveAlias(symbol); + if (targetSymbol === unknownSymbol) + return targetSymbol; + while (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + var target = getImmediateAliasedSymbol(symbol); + if (target) { + if (target === targetSymbol) + break; + if (target.declarations && ts.length(target.declarations)) { + if (isDeprecatedAliasedSymbol(target)) { + addDeprecatedSuggestion(location, target.declarations, target.escapedName); + break; + } + else { + if (symbol === targetSymbol) + break; + symbol = target; + } + } + } + else { + break; + } + } + return targetSymbol; + } + function checkImportBinding(node) { + checkCollisionsForDeclarationName(node, node.name); + checkAliasSymbol(node); + if (node.kind === 270 /* SyntaxKind.ImportSpecifier */ && + ts.idText(node.propertyName || node.name) === "default" && + ts.getESModuleInterop(compilerOptions) && + moduleKind !== ts.ModuleKind.System && (moduleKind < ts.ModuleKind.ES2015 || ts.getSourceFileOfNode(node).impliedNodeFormat === ts.ModuleKind.CommonJS)) { + checkExternalEmitHelpers(node, 131072 /* ExternalEmitHelpers.ImportDefault */); + } + } + function checkAssertClause(declaration) { + var _a; + if (declaration.assertClause) { + var validForTypeAssertions = ts.isExclusivelyTypeOnlyImportOrExport(declaration); + var override = ts.getResolutionModeOverrideForClause(declaration.assertClause, validForTypeAssertions ? grammarErrorOnNode : undefined); + if (validForTypeAssertions && override) { + if (!ts.isNightly()) { + grammarErrorOnNode(declaration.assertClause, ts.Diagnostics.resolution_mode_assertions_are_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next); + } + if (ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.Node16 && ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeNext) { + return grammarErrorOnNode(declaration.assertClause, ts.Diagnostics.resolution_mode_assertions_are_only_supported_when_moduleResolution_is_node16_or_nodenext); + } + return; // Other grammar checks do not apply to type-only imports with resolution mode assertions + } + var mode = (moduleKind === ts.ModuleKind.NodeNext) && declaration.moduleSpecifier && getUsageModeForExpression(declaration.moduleSpecifier); + if (mode !== ts.ModuleKind.ESNext && moduleKind !== ts.ModuleKind.ESNext) { + return grammarErrorOnNode(declaration.assertClause, moduleKind === ts.ModuleKind.NodeNext + ? ts.Diagnostics.Import_assertions_are_not_allowed_on_statements_that_transpile_to_commonjs_require_calls + : ts.Diagnostics.Import_assertions_are_only_supported_when_the_module_option_is_set_to_esnext_or_nodenext); + } + if (ts.isImportDeclaration(declaration) ? (_a = declaration.importClause) === null || _a === void 0 ? void 0 : _a.isTypeOnly : declaration.isTypeOnly) { + return grammarErrorOnNode(declaration.assertClause, ts.Diagnostics.Import_assertions_cannot_be_used_with_type_only_imports_or_exports); + } + if (override) { + return grammarErrorOnNode(declaration.assertClause, ts.Diagnostics.resolution_mode_can_only_be_set_for_type_only_imports); + } + } + } + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.isInJSFile(node) ? ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_module : ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module)) { + // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecoratorsAndModifiers(node) && ts.hasEffectiveModifiers(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause && !checkGrammarImportClause(importClause)) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + checkImportBinding(importClause.namedBindings); + if (moduleKind !== ts.ModuleKind.System && (moduleKind < ts.ModuleKind.ES2015 || ts.getSourceFileOfNode(node).impliedNodeFormat === ts.ModuleKind.CommonJS) && ts.getESModuleInterop(compilerOptions)) { + // import * as ns from "foo"; + checkExternalEmitHelpers(node, 65536 /* ExternalEmitHelpers.ImportStar */); + } + } + else { + var moduleExisted = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleExisted) { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } + } + } + checkAssertClause(node); + } + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.isInJSFile(node) ? ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_module : ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module)) { + // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + checkGrammarDecoratorsAndModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + markExportAsReferenced(node); + } + if (node.moduleReference.kind !== 277 /* SyntaxKind.ExternalModuleReference */) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 111551 /* SymbolFlags.Value */) { + // Target is a value symbol, check that it is not hidden by a local declaration with the same name + var moduleName = ts.getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 111551 /* SymbolFlags.Value */ | 1920 /* SymbolFlags.Namespace */).flags & 1920 /* SymbolFlags.Namespace */)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 788968 /* SymbolFlags.Type */) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } + if (node.isTypeOnly) { + grammarErrorOnNode(node, ts.Diagnostics.An_import_alias_cannot_use_import_type); + } + } + else { + if (moduleKind >= ts.ModuleKind.ES2015 && ts.getSourceFileOfNode(node).impliedNodeFormat === undefined && !node.isTypeOnly && !(node.flags & 16777216 /* NodeFlags.Ambient */)) { + // Import equals declaration is deprecated in es6 or above + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } + } + } + } + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.isInJSFile(node) ? ts.Diagnostics.An_export_declaration_can_only_be_used_at_the_top_level_of_a_module : ts.Diagnostics.An_export_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module)) { + // If we hit an export in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecoratorsAndModifiers(node) && ts.hasSyntacticModifiers(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (node.moduleSpecifier && node.exportClause && ts.isNamedExports(node.exportClause) && ts.length(node.exportClause.elements) && languageVersion === 0 /* ScriptTarget.ES3 */) { + checkExternalEmitHelpers(node, 4194304 /* ExternalEmitHelpers.CreateBinding */); + } + checkGrammarExportDeclaration(node); + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause && !ts.isNamespaceExport(node.exportClause)) { + // export { x, y } + // export { x, y } from "foo" + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ && ts.isAmbientModule(node.parent.parent); + var inAmbientNamespaceDeclaration = !inAmbientExternalModule && node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ && + !node.moduleSpecifier && node.flags & 16777216 /* NodeFlags.Ambient */; + if (node.parent.kind !== 305 /* SyntaxKind.SourceFile */ && !inAmbientExternalModule && !inAmbientNamespaceDeclaration) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + // export * from "foo" + // export * as ns from "foo"; + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + else if (node.exportClause) { + checkAliasSymbol(node.exportClause); + } + if (moduleKind !== ts.ModuleKind.System && (moduleKind < ts.ModuleKind.ES2015 || ts.getSourceFileOfNode(node).impliedNodeFormat === ts.ModuleKind.CommonJS)) { + if (node.exportClause) { + // export * as ns from "foo"; + // For ES2015 modules, we emit it as a pair of `import * as a_1 ...; export { a_1 as ns }` and don't need the helper. + // We only use the helper here when in esModuleInterop + if (ts.getESModuleInterop(compilerOptions)) { + checkExternalEmitHelpers(node, 65536 /* ExternalEmitHelpers.ImportStar */); + } + } + else { + // export * from "foo" + checkExternalEmitHelpers(node, 32768 /* ExternalEmitHelpers.ExportStar */); + } + } + } + } + checkAssertClause(node); + } + function checkGrammarExportDeclaration(node) { + var _a; + if (node.isTypeOnly) { + if (((_a = node.exportClause) === null || _a === void 0 ? void 0 : _a.kind) === 273 /* SyntaxKind.NamedExports */) { + return checkGrammarNamedImportsOrExports(node.exportClause); + } + else { + return grammarErrorOnNode(node, ts.Diagnostics.Only_named_exports_may_use_export_type); + } + } + return false; + } + function checkGrammarModuleElementContext(node, errorMessage) { + var isInAppropriateContext = node.parent.kind === 305 /* SyntaxKind.SourceFile */ || node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ || node.parent.kind === 261 /* SyntaxKind.ModuleDeclaration */; + if (!isInAppropriateContext) { + grammarErrorOnFirstToken(node, errorMessage); + } + return !isInAppropriateContext; + } + function importClauseContainsReferencedImport(importClause) { + return ts.forEachImportClauseDeclaration(importClause, function (declaration) { + return !!getSymbolOfNode(declaration).isReferenced; + }); + } + function importClauseContainsConstEnumUsedAsValue(importClause) { + return ts.forEachImportClauseDeclaration(importClause, function (declaration) { + return !!getSymbolLinks(getSymbolOfNode(declaration)).constEnumReferenced; + }); + } + function canConvertImportDeclarationToTypeOnly(statement) { + return ts.isImportDeclaration(statement) && + statement.importClause && + !statement.importClause.isTypeOnly && + importClauseContainsReferencedImport(statement.importClause) && + !isReferencedAliasDeclaration(statement.importClause, /*checkChildren*/ true) && + !importClauseContainsConstEnumUsedAsValue(statement.importClause); + } + function canConvertImportEqualsDeclarationToTypeOnly(statement) { + return ts.isImportEqualsDeclaration(statement) && + ts.isExternalModuleReference(statement.moduleReference) && + !statement.isTypeOnly && + getSymbolOfNode(statement).isReferenced && + !isReferencedAliasDeclaration(statement, /*checkChildren*/ false) && + !getSymbolLinks(getSymbolOfNode(statement)).constEnumReferenced; + } + function checkImportsForTypeOnlyConversion(sourceFile) { + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (canConvertImportDeclarationToTypeOnly(statement) || canConvertImportEqualsDeclarationToTypeOnly(statement)) { + error(statement, ts.Diagnostics.This_import_is_never_used_as_a_value_and_must_use_import_type_because_importsNotUsedAsValues_is_set_to_error); + } + } + } + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (ts.getEmitDeclarations(compilerOptions)) { + collectLinkedAliases(node.propertyName || node.name, /*setVisibility*/ true); + } + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + // find immediate value referenced by exported name (SymbolFlags.Alias is set so we don't chase down aliases) + var symbol = resolveName(exportedName, exportedName.escapedText, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */, + /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true); + if (symbol && (symbol === undefinedSymbol || symbol === globalThisSymbol || symbol.declarations && isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, ts.idText(exportedName)); + } + else { + markExportAsReferenced(node); + var target = symbol && (symbol.flags & 2097152 /* SymbolFlags.Alias */ ? resolveAlias(symbol) : symbol); + if (!target || target === unknownSymbol || target.flags & 111551 /* SymbolFlags.Value */) { + checkExpressionCached(node.propertyName || node.name); + } + } + } + else { + if (ts.getESModuleInterop(compilerOptions) && + moduleKind !== ts.ModuleKind.System && + (moduleKind < ts.ModuleKind.ES2015 || ts.getSourceFileOfNode(node).impliedNodeFormat === ts.ModuleKind.CommonJS) && + ts.idText(node.propertyName || node.name) === "default") { + checkExternalEmitHelpers(node, 131072 /* ExternalEmitHelpers.ImportDefault */); + } + } + } + function checkExportAssignment(node) { + var illegalContextMessage = node.isExportEquals + ? ts.Diagnostics.An_export_assignment_must_be_at_the_top_level_of_a_file_or_module_declaration + : ts.Diagnostics.A_default_export_must_be_at_the_top_level_of_a_file_or_module_declaration; + if (checkGrammarModuleElementContext(node, illegalContextMessage)) { + // If we hit an export assignment in an illegal context, just bail out to avoid cascading errors. + return; + } + var container = node.parent.kind === 305 /* SyntaxKind.SourceFile */ ? node.parent : node.parent.parent; + if (container.kind === 261 /* SyntaxKind.ModuleDeclaration */ && !ts.isAmbientModule(container)) { + if (node.isExportEquals) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + } + else { + error(node, ts.Diagnostics.A_default_export_can_only_be_used_in_an_ECMAScript_style_module); + } + return; + } + // Grammar checking + if (!checkGrammarDecoratorsAndModifiers(node) && ts.hasEffectiveModifiers(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + } + var typeAnnotationNode = ts.getEffectiveTypeAnnotationNode(node); + if (typeAnnotationNode) { + checkTypeAssignableTo(checkExpressionCached(node.expression), getTypeFromTypeNode(typeAnnotationNode), node.expression); + } + if (node.expression.kind === 79 /* SyntaxKind.Identifier */) { + var id = node.expression; + var sym = resolveEntityName(id, 67108863 /* SymbolFlags.All */, /*ignoreErrors*/ true, /*dontResolveAlias*/ true, node); + if (sym) { + markAliasReferenced(sym, id); + // If not a value, we're interpreting the identifier as a type export, along the lines of (`export { Id as default }`) + var target = sym.flags & 2097152 /* SymbolFlags.Alias */ ? resolveAlias(sym) : sym; + if (target === unknownSymbol || target.flags & 111551 /* SymbolFlags.Value */) { + // However if it is a value, we need to check it's being used correctly + checkExpressionCached(node.expression); + } + } + else { + checkExpressionCached(node.expression); // doesn't resolve, check as expression to mark as error + } + if (ts.getEmitDeclarations(compilerOptions)) { + collectLinkedAliases(node.expression, /*setVisibility*/ true); + } + } + else { + checkExpressionCached(node.expression); + } + checkExternalModuleExports(container); + if ((node.flags & 16777216 /* NodeFlags.Ambient */) && !ts.isEntityNameExpression(node.expression)) { + grammarErrorOnNode(node.expression, ts.Diagnostics.The_expression_of_an_export_assignment_must_be_an_identifier_or_qualified_name_in_an_ambient_context); + } + if (node.isExportEquals && !(node.flags & 16777216 /* NodeFlags.Ambient */)) { + if (moduleKind >= ts.ModuleKind.ES2015 && ts.getSourceFileOfNode(node).impliedNodeFormat !== ts.ModuleKind.CommonJS) { + // export assignment is not supported in es6 modules + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (moduleKind === ts.ModuleKind.System) { + // system modules does not support export assignment + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); + } + } + } + function hasExportedMembers(moduleSymbol) { + return ts.forEachEntry(moduleSymbol.exports, function (_, id) { return id !== "export="; }); + } + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports.get("export="); + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (declaration && !isTopLevelInExternalModuleAugmentation(declaration) && !ts.isInJSFile(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } + } + // Checks for export * conflicts + var exports_3 = getExportsOfModule(moduleSymbol); + if (exports_3) { + exports_3.forEach(function (_a, id) { + var declarations = _a.declarations, flags = _a.flags; + if (id === "__export") { + return; + } + // ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries. + // (TS Exceptions: namespaces, function overloads, enums, and interfaces) + if (flags & (1920 /* SymbolFlags.Namespace */ | 384 /* SymbolFlags.Enum */)) { + return; + } + var exportedDeclarationsCount = ts.countWhere(declarations, ts.and(isNotOverloadAndNotAccessor, ts.not(ts.isInterfaceDeclaration))); + if (flags & 524288 /* SymbolFlags.TypeAlias */ && exportedDeclarationsCount <= 2) { + // it is legal to merge type alias with other values + // so count should be either 1 (just type alias) or 2 (type alias + merged value) + return; + } + if (exportedDeclarationsCount > 1) { + if (!isDuplicatedCommonJSExport(declarations)) { + for (var _i = 0, _b = declarations; _i < _b.length; _i++) { + var declaration = _b[_i]; + if (isNotOverload(declaration)) { + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, ts.unescapeLeadingUnderscores(id))); + } + } + } + } + }); + } + links.exportsChecked = true; + } + } + function isDuplicatedCommonJSExport(declarations) { + return declarations + && declarations.length > 1 + && declarations.every(function (d) { return ts.isInJSFile(d) && ts.isAccessExpression(d) && (ts.isExportsIdentifier(d.expression) || ts.isModuleExportsAccessExpression(d.expression)); }); + } + function checkSourceElement(node) { + if (node) { + var saveCurrentNode = currentNode; + currentNode = node; + instantiationCount = 0; + checkSourceElementWorker(node); + currentNode = saveCurrentNode; + } + } + function checkSourceElementWorker(node) { + if (ts.isInJSFile(node)) { + ts.forEach(node.jsDoc, function (_a) { + var tags = _a.tags; + return ts.forEach(tags, checkSourceElement); + }); + } + var kind = node.kind; + if (cancellationToken) { + // Only bother checking on a few construct kinds. We don't want to be excessively + // hitting the cancellation token on every node we check. + switch (kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + cancellationToken.throwIfCancellationRequested(); + } + } + if (kind >= 237 /* SyntaxKind.FirstStatement */ && kind <= 253 /* SyntaxKind.LastStatement */ && node.flowNode && !isReachableFlowNode(node.flowNode)) { + errorOrSuggestion(compilerOptions.allowUnreachableCode === false, node, ts.Diagnostics.Unreachable_code_detected); + } + switch (kind) { + case 163 /* SyntaxKind.TypeParameter */: + return checkTypeParameter(node); + case 164 /* SyntaxKind.Parameter */: + return checkParameter(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + return checkPropertyDeclaration(node); + case 166 /* SyntaxKind.PropertySignature */: + return checkPropertySignature(node); + case 180 /* SyntaxKind.ConstructorType */: + case 179 /* SyntaxKind.FunctionType */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 176 /* SyntaxKind.IndexSignature */: + return checkSignatureDeclaration(node); + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + return checkMethodDeclaration(node); + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return checkClassStaticBlockDeclaration(node); + case 171 /* SyntaxKind.Constructor */: + return checkConstructorDeclaration(node); + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return checkAccessorDeclaration(node); + case 178 /* SyntaxKind.TypeReference */: + return checkTypeReferenceNode(node); + case 177 /* SyntaxKind.TypePredicate */: + return checkTypePredicate(node); + case 181 /* SyntaxKind.TypeQuery */: + return checkTypeQuery(node); + case 182 /* SyntaxKind.TypeLiteral */: + return checkTypeLiteral(node); + case 183 /* SyntaxKind.ArrayType */: + return checkArrayType(node); + case 184 /* SyntaxKind.TupleType */: + return checkTupleType(node); + case 187 /* SyntaxKind.UnionType */: + case 188 /* SyntaxKind.IntersectionType */: + return checkUnionOrIntersectionType(node); + case 191 /* SyntaxKind.ParenthesizedType */: + case 185 /* SyntaxKind.OptionalType */: + case 186 /* SyntaxKind.RestType */: + return checkSourceElement(node.type); + case 192 /* SyntaxKind.ThisType */: + return checkThisType(node); + case 193 /* SyntaxKind.TypeOperator */: + return checkTypeOperator(node); + case 189 /* SyntaxKind.ConditionalType */: + return checkConditionalType(node); + case 190 /* SyntaxKind.InferType */: + return checkInferType(node); + case 198 /* SyntaxKind.TemplateLiteralType */: + return checkTemplateLiteralType(node); + case 200 /* SyntaxKind.ImportType */: + return checkImportType(node); + case 197 /* SyntaxKind.NamedTupleMember */: + return checkNamedTupleMember(node); + case 328 /* SyntaxKind.JSDocAugmentsTag */: + return checkJSDocAugmentsTag(node); + case 329 /* SyntaxKind.JSDocImplementsTag */: + return checkJSDocImplementsTag(node); + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + return checkJSDocTypeAliasTag(node); + case 344 /* SyntaxKind.JSDocTemplateTag */: + return checkJSDocTemplateTag(node); + case 343 /* SyntaxKind.JSDocTypeTag */: + return checkJSDocTypeTag(node); + case 340 /* SyntaxKind.JSDocParameterTag */: + return checkJSDocParameterTag(node); + case 347 /* SyntaxKind.JSDocPropertyTag */: + return checkJSDocPropertyTag(node); + case 317 /* SyntaxKind.JSDocFunctionType */: + checkJSDocFunctionType(node); + // falls through + case 315 /* SyntaxKind.JSDocNonNullableType */: + case 314 /* SyntaxKind.JSDocNullableType */: + case 312 /* SyntaxKind.JSDocAllType */: + case 313 /* SyntaxKind.JSDocUnknownType */: + case 322 /* SyntaxKind.JSDocTypeLiteral */: + checkJSDocTypeIsInJsFile(node); + ts.forEachChild(node, checkSourceElement); + return; + case 318 /* SyntaxKind.JSDocVariadicType */: + checkJSDocVariadicType(node); + return; + case 309 /* SyntaxKind.JSDocTypeExpression */: + return checkSourceElement(node.type); + case 333 /* SyntaxKind.JSDocPublicTag */: + case 335 /* SyntaxKind.JSDocProtectedTag */: + case 334 /* SyntaxKind.JSDocPrivateTag */: + return checkJSDocAccessibilityModifiers(node); + case 194 /* SyntaxKind.IndexedAccessType */: + return checkIndexedAccessType(node); + case 195 /* SyntaxKind.MappedType */: + return checkMappedType(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + return checkFunctionDeclaration(node); + case 235 /* SyntaxKind.Block */: + case 262 /* SyntaxKind.ModuleBlock */: + return checkBlock(node); + case 237 /* SyntaxKind.VariableStatement */: + return checkVariableStatement(node); + case 238 /* SyntaxKind.ExpressionStatement */: + return checkExpressionStatement(node); + case 239 /* SyntaxKind.IfStatement */: + return checkIfStatement(node); + case 240 /* SyntaxKind.DoStatement */: + return checkDoStatement(node); + case 241 /* SyntaxKind.WhileStatement */: + return checkWhileStatement(node); + case 242 /* SyntaxKind.ForStatement */: + return checkForStatement(node); + case 243 /* SyntaxKind.ForInStatement */: + return checkForInStatement(node); + case 244 /* SyntaxKind.ForOfStatement */: + return checkForOfStatement(node); + case 245 /* SyntaxKind.ContinueStatement */: + case 246 /* SyntaxKind.BreakStatement */: + return checkBreakOrContinueStatement(node); + case 247 /* SyntaxKind.ReturnStatement */: + return checkReturnStatement(node); + case 248 /* SyntaxKind.WithStatement */: + return checkWithStatement(node); + case 249 /* SyntaxKind.SwitchStatement */: + return checkSwitchStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return checkLabeledStatement(node); + case 251 /* SyntaxKind.ThrowStatement */: + return checkThrowStatement(node); + case 252 /* SyntaxKind.TryStatement */: + return checkTryStatement(node); + case 254 /* SyntaxKind.VariableDeclaration */: + return checkVariableDeclaration(node); + case 203 /* SyntaxKind.BindingElement */: + return checkBindingElement(node); + case 257 /* SyntaxKind.ClassDeclaration */: + return checkClassDeclaration(node); + case 258 /* SyntaxKind.InterfaceDeclaration */: + return checkInterfaceDeclaration(node); + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return checkTypeAliasDeclaration(node); + case 260 /* SyntaxKind.EnumDeclaration */: + return checkEnumDeclaration(node); + case 261 /* SyntaxKind.ModuleDeclaration */: + return checkModuleDeclaration(node); + case 266 /* SyntaxKind.ImportDeclaration */: + return checkImportDeclaration(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return checkImportEqualsDeclaration(node); + case 272 /* SyntaxKind.ExportDeclaration */: + return checkExportDeclaration(node); + case 271 /* SyntaxKind.ExportAssignment */: + return checkExportAssignment(node); + case 236 /* SyntaxKind.EmptyStatement */: + case 253 /* SyntaxKind.DebuggerStatement */: + checkGrammarStatementInAmbientContext(node); + return; + case 276 /* SyntaxKind.MissingDeclaration */: + return checkMissingDeclaration(node); + } + } + function checkJSDocTypeIsInJsFile(node) { + if (!ts.isInJSFile(node)) { + grammarErrorOnNode(node, ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments); + } + } + function checkJSDocVariadicType(node) { + checkJSDocTypeIsInJsFile(node); + checkSourceElement(node.type); + // Only legal location is in the *last* parameter tag or last parameter of a JSDoc function. + var parent = node.parent; + if (ts.isParameter(parent) && ts.isJSDocFunctionType(parent.parent)) { + if (ts.last(parent.parent.parameters) !== parent) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + return; + } + if (!ts.isJSDocTypeExpression(parent)) { + error(node, ts.Diagnostics.JSDoc_may_only_appear_in_the_last_parameter_of_a_signature); + } + var paramTag = node.parent.parent; + if (!ts.isJSDocParameterTag(paramTag)) { + error(node, ts.Diagnostics.JSDoc_may_only_appear_in_the_last_parameter_of_a_signature); + return; + } + var param = ts.getParameterSymbolFromJSDoc(paramTag); + if (!param) { + // We will error in `checkJSDocParameterTag`. + return; + } + var host = ts.getHostSignatureFromJSDoc(paramTag); + if (!host || ts.last(host.parameters).symbol !== param) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + } + function getTypeFromJSDocVariadicType(node) { + var type = getTypeFromTypeNode(node.type); + var parent = node.parent; + var paramTag = node.parent.parent; + if (ts.isJSDocTypeExpression(node.parent) && ts.isJSDocParameterTag(paramTag)) { + // Else we will add a diagnostic, see `checkJSDocVariadicType`. + var host_1 = ts.getHostSignatureFromJSDoc(paramTag); + var isCallbackTag = ts.isJSDocCallbackTag(paramTag.parent.parent); + if (host_1 || isCallbackTag) { + /* + Only return an array type if the corresponding parameter is marked as a rest parameter, or if there are no parameters. + So in the following situation we will not create an array type: + /** @param {...number} a * / + function f(a) {} + Because `a` will just be of type `number | undefined`. A synthetic `...args` will also be added, which *will* get an array type. + */ + var lastParamDeclaration = isCallbackTag + ? ts.lastOrUndefined(paramTag.parent.parent.typeExpression.parameters) + : ts.lastOrUndefined(host_1.parameters); + var symbol = ts.getParameterSymbolFromJSDoc(paramTag); + if (!lastParamDeclaration || + symbol && lastParamDeclaration.symbol === symbol && ts.isRestParameter(lastParamDeclaration)) { + return createArrayType(type); + } + } + } + if (ts.isParameter(parent) && ts.isJSDocFunctionType(parent.parent)) { + return createArrayType(type); + } + return addOptionality(type); + } + // Function and class expression bodies are checked after all statements in the enclosing body. This is + // to ensure constructs like the following are permitted: + // const foo = function () { + // const s = foo(); + // return "hello"; + // } + // Here, performing a full type check of the body of the function expression whilst in the process of + // determining the type of foo would cause foo to be given type any because of the recursive reference. + // Delaying the type check of the body ensures foo has been assigned a type. + function checkNodeDeferred(node) { + var enclosingFile = ts.getSourceFileOfNode(node); + var links = getNodeLinks(enclosingFile); + if (!(links.flags & 1 /* NodeCheckFlags.TypeChecked */)) { + links.deferredNodes || (links.deferredNodes = new ts.Set()); + links.deferredNodes.add(node); + } + } + function checkDeferredNodes(context) { + var links = getNodeLinks(context); + if (links.deferredNodes) { + links.deferredNodes.forEach(checkDeferredNode); + } + } + function checkDeferredNode(node) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("check" /* tracing.Phase.Check */, "checkDeferredNode", { kind: node.kind, pos: node.pos, end: node.end, path: node.tracingPath }); + var saveCurrentNode = currentNode; + currentNode = node; + instantiationCount = 0; + switch (node.kind) { + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + case 210 /* SyntaxKind.TaggedTemplateExpression */: + case 165 /* SyntaxKind.Decorator */: + case 280 /* SyntaxKind.JsxOpeningElement */: + // These node kinds are deferred checked when overload resolution fails + // To save on work, we ensure the arguments are checked just once, in + // a deferred way + resolveUntypedCall(node); + break; + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + checkAccessorDeclaration(node); + break; + case 226 /* SyntaxKind.ClassExpression */: + checkClassExpressionDeferred(node); + break; + case 163 /* SyntaxKind.TypeParameter */: + checkTypeParameterDeferred(node); + break; + case 279 /* SyntaxKind.JsxSelfClosingElement */: + checkJsxSelfClosingElementDeferred(node); + break; + case 278 /* SyntaxKind.JsxElement */: + checkJsxElementDeferred(node); + break; + } + currentNode = saveCurrentNode; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + function checkSourceFile(node) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("check" /* tracing.Phase.Check */, "checkSourceFile", { path: node.path }, /*separateBeginAndEnd*/ true); + ts.performance.mark("beforeCheck"); + checkSourceFileWorker(node); + ts.performance.mark("afterCheck"); + ts.performance.measure("Check", "beforeCheck", "afterCheck"); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + function unusedIsError(kind, isAmbient) { + if (isAmbient) { + return false; + } + switch (kind) { + case 0 /* UnusedKind.Local */: + return !!compilerOptions.noUnusedLocals; + case 1 /* UnusedKind.Parameter */: + return !!compilerOptions.noUnusedParameters; + default: + return ts.Debug.assertNever(kind); + } + } + function getPotentiallyUnusedIdentifiers(sourceFile) { + return allPotentiallyUnusedIdentifiers.get(sourceFile.path) || ts.emptyArray; + } + // Fully type check a source file and collect the relevant diagnostics. + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1 /* NodeCheckFlags.TypeChecked */)) { + if (ts.skipTypeChecking(node, compilerOptions, host)) { + return; + } + // Grammar checking + checkGrammarSourceFile(node); + ts.clear(potentialThisCollisions); + ts.clear(potentialNewTargetCollisions); + ts.clear(potentialWeakMapSetCollisions); + ts.clear(potentialReflectCollisions); + ts.forEach(node.statements, checkSourceElement); + checkSourceElement(node.endOfFileToken); + checkDeferredNodes(node); + if (ts.isExternalOrCommonJsModule(node)) { + registerForUnusedIdentifiersCheck(node); + } + addLazyDiagnostic(function () { + // This relies on the results of other lazy diagnostics, so must be computed after them + if (!node.isDeclarationFile && (compilerOptions.noUnusedLocals || compilerOptions.noUnusedParameters)) { + checkUnusedIdentifiers(getPotentiallyUnusedIdentifiers(node), function (containingNode, kind, diag) { + if (!ts.containsParseError(containingNode) && unusedIsError(kind, !!(containingNode.flags & 16777216 /* NodeFlags.Ambient */))) { + diagnostics.add(diag); + } + }); + } + }); + if (compilerOptions.importsNotUsedAsValues === 2 /* ImportsNotUsedAsValues.Error */ && + !node.isDeclarationFile && + ts.isExternalModule(node)) { + checkImportsForTypeOnlyConversion(node); + } + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + ts.clear(potentialThisCollisions); + } + if (potentialNewTargetCollisions.length) { + ts.forEach(potentialNewTargetCollisions, checkIfNewTargetIsCapturedInEnclosingScope); + ts.clear(potentialNewTargetCollisions); + } + if (potentialWeakMapSetCollisions.length) { + ts.forEach(potentialWeakMapSetCollisions, checkWeakMapSetCollision); + ts.clear(potentialWeakMapSetCollisions); + } + if (potentialReflectCollisions.length) { + ts.forEach(potentialReflectCollisions, checkReflectCollision); + ts.clear(potentialReflectCollisions); + } + links.flags |= 1 /* NodeCheckFlags.TypeChecked */; + } + } + function getDiagnostics(sourceFile, ct) { + try { + // Record the cancellation token so it can be checked later on during checkSourceElement. + // Do this in a finally block so we can ensure that it gets reset back to nothing after + // this call is done. + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); + } + finally { + cancellationToken = undefined; + } + } + function ensurePendingDiagnosticWorkComplete() { + // Invoke any existing lazy diagnostics to add them, clear the backlog of diagnostics + for (var _i = 0, deferredDiagnosticsCallbacks_1 = deferredDiagnosticsCallbacks; _i < deferredDiagnosticsCallbacks_1.length; _i++) { + var cb = deferredDiagnosticsCallbacks_1[_i]; + cb(); + } + deferredDiagnosticsCallbacks = []; + } + function checkSourceFileWithEagerDiagnostics(sourceFile) { + ensurePendingDiagnosticWorkComplete(); + // then setup diagnostics for immediate invocation (as we are about to collect them, and + // this avoids the overhead of longer-lived callbacks we don't need to allocate) + // This also serves to make the shift to possibly lazy diagnostics transparent to serial command-line scenarios + // (as in those cases, all the diagnostics will still be computed as the appropriate place in the tree, + // thus much more likely retaining the same union ordering as before we had lazy diagnostics) + var oldAddLazyDiagnostics = addLazyDiagnostic; + addLazyDiagnostic = function (cb) { return cb(); }; + checkSourceFile(sourceFile); + addLazyDiagnostic = oldAddLazyDiagnostics; + } + function getDiagnosticsWorker(sourceFile) { + if (sourceFile) { + ensurePendingDiagnosticWorkComplete(); + // Some global diagnostics are deferred until they are needed and + // may not be reported in the first call to getGlobalDiagnostics. + // We should catch these changes and report them. + var previousGlobalDiagnostics = diagnostics.getGlobalDiagnostics(); + var previousGlobalDiagnosticsSize = previousGlobalDiagnostics.length; + checkSourceFileWithEagerDiagnostics(sourceFile); + var semanticDiagnostics = diagnostics.getDiagnostics(sourceFile.fileName); + var currentGlobalDiagnostics = diagnostics.getGlobalDiagnostics(); + if (currentGlobalDiagnostics !== previousGlobalDiagnostics) { + // If the arrays are not the same reference, new diagnostics were added. + var deferredGlobalDiagnostics = ts.relativeComplement(previousGlobalDiagnostics, currentGlobalDiagnostics, ts.compareDiagnostics); + return ts.concatenate(deferredGlobalDiagnostics, semanticDiagnostics); + } + else if (previousGlobalDiagnosticsSize === 0 && currentGlobalDiagnostics.length > 0) { + // If the arrays are the same reference, but the length has changed, a single + // new diagnostic was added as DiagnosticCollection attempts to reuse the + // same array. + return ts.concatenate(currentGlobalDiagnostics, semanticDiagnostics); + } + return semanticDiagnostics; + } + // Global diagnostics are always added when a file is not provided to + // getDiagnostics + ts.forEach(host.getSourceFiles(), checkSourceFileWithEagerDiagnostics); + return diagnostics.getDiagnostics(); + } + function getGlobalDiagnostics() { + ensurePendingDiagnosticWorkComplete(); + return diagnostics.getGlobalDiagnostics(); + } + // Language service support + function getSymbolsInScope(location, meaning) { + if (location.flags & 33554432 /* NodeFlags.InWithStatement */) { + // We cannot answer semantic questions within a with block, do not proceed any further + return []; + } + var symbols = ts.createSymbolTable(); + var isStaticSymbol = false; + populateSymbols(); + symbols.delete("this" /* InternalSymbolName.This */); // Not a symbol, a keyword + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 305 /* SyntaxKind.SourceFile */: + if (!ts.isExternalModule(location)) + break; + // falls through + case 261 /* SyntaxKind.ModuleDeclaration */: + copyLocallyVisibleExportSymbols(getSymbolOfNode(location).exports, meaning & 2623475 /* SymbolFlags.ModuleMember */); + break; + case 260 /* SyntaxKind.EnumDeclaration */: + copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* SymbolFlags.EnumMember */); + break; + case 226 /* SyntaxKind.ClassExpression */: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + // this fall-through is necessary because we would like to handle + // type parameter inside class expression similar to how we handle it in classDeclaration and interface Declaration. + // falls through + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + // If we didn't come from static member of class or interface, + // add the type parameters into the symbol table + // (type parameters of classDeclaration/classExpression and interface are in member property of the symbol. + // Note: that the memberFlags come from previous iteration. + if (!isStaticSymbol) { + copySymbols(getMembersOfSymbol(getSymbolOfNode(location)), meaning & 788968 /* SymbolFlags.Type */); + } + break; + case 213 /* SyntaxKind.FunctionExpression */: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + isStaticSymbol = ts.isStatic(location); + location = location.parent; + } + copySymbols(globals, meaning); + } + /** + * Copy the given symbol into symbol tables if the symbol has the given meaning + * and it doesn't already existed in the symbol table + * @param key a key for storing in symbol table; if undefined, use symbol.name + * @param symbol the symbol to be added into symbol table + * @param meaning meaning of symbol to filter by before adding to symbol table + */ + function copySymbol(symbol, meaning) { + if (ts.getCombinedLocalAndExportSymbolFlags(symbol) & meaning) { + var id = symbol.escapedName; + // We will copy all symbol regardless of its reserved name because + // symbolsToArray will check whether the key is a reserved name and + // it will not copy symbol with reserved name to the array + if (!symbols.has(id)) { + symbols.set(id, symbol); + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + source.forEach(function (symbol) { + copySymbol(symbol, meaning); + }); + } + } + function copyLocallyVisibleExportSymbols(source, meaning) { + if (meaning) { + source.forEach(function (symbol) { + // Similar condition as in `resolveNameHelper` + if (!ts.getDeclarationOfKind(symbol, 275 /* SyntaxKind.ExportSpecifier */) && !ts.getDeclarationOfKind(symbol, 274 /* SyntaxKind.NamespaceExport */)) { + copySymbol(symbol, meaning); + } + }); + } + } + } + function isTypeDeclarationName(name) { + return name.kind === 79 /* SyntaxKind.Identifier */ && + isTypeDeclaration(name.parent) && + ts.getNameOfDeclaration(name.parent) === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 163 /* SyntaxKind.TypeParameter */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + return true; + case 267 /* SyntaxKind.ImportClause */: + return node.isTypeOnly; + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: + return node.parent.parent.isTypeOnly; + default: + return false; + } + } + // True if the given identifier is part of a type reference + function isTypeReferenceIdentifier(node) { + while (node.parent.kind === 161 /* SyntaxKind.QualifiedName */) { + node = node.parent; + } + return node.parent.kind === 178 /* SyntaxKind.TypeReference */; + } + function isHeritageClauseElementIdentifier(node) { + while (node.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + node = node.parent; + } + return node.parent.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */; + } + function forEachEnclosingClass(node, callback) { + var result; + while (true) { + node = ts.getContainingClass(node); + if (!node) + break; + if (result = callback(node)) + break; + } + return result; + } + function isNodeUsedDuringClassInitialization(node) { + return !!ts.findAncestor(node, function (element) { + if (ts.isConstructorDeclaration(element) && ts.nodeIsPresent(element.body) || ts.isPropertyDeclaration(element)) { + return true; + } + else if (ts.isClassLike(element) || ts.isFunctionLikeDeclaration(element)) { + return "quit"; + } + return false; + }); + } + function isNodeWithinClass(node, classDeclaration) { + return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; }); + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 161 /* SyntaxKind.QualifiedName */) { + nodeOnRightSide = nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide ? nodeOnRightSide.parent : undefined; + } + if (nodeOnRightSide.parent.kind === 271 /* SyntaxKind.ExportAssignment */) { + return nodeOnRightSide.parent.expression === nodeOnRightSide ? nodeOnRightSide.parent : undefined; + } + return undefined; + } + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + } + function getSpecialPropertyAssignmentSymbolFromEntityName(entityName) { + var specialPropertyAssignmentKind = ts.getAssignmentDeclarationKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: + return getSymbolOfNode(entityName.parent); + case 4 /* AssignmentDeclarationKind.ThisProperty */: + case 2 /* AssignmentDeclarationKind.ModuleExports */: + case 5 /* AssignmentDeclarationKind.Property */: + return getSymbolOfNode(entityName.parent.parent); + } + } + function isImportTypeQualifierPart(node) { + var parent = node.parent; + while (ts.isQualifiedName(parent)) { + node = parent; + parent = parent.parent; + } + if (parent && parent.kind === 200 /* SyntaxKind.ImportType */ && parent.qualifier === node) { + return parent; + } + return undefined; + } + function getSymbolOfNameOrPropertyAccessExpression(name) { + if (ts.isDeclarationName(name)) { + return getSymbolOfNode(name.parent); + } + if (ts.isInJSFile(name) && + name.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && + name.parent === name.parent.parent.left) { + // Check if this is a special property assignment + if (!ts.isPrivateIdentifier(name) && !ts.isJSDocMemberName(name)) { + var specialPropertyAssignmentSymbol = getSpecialPropertyAssignmentSymbolFromEntityName(name); + if (specialPropertyAssignmentSymbol) { + return specialPropertyAssignmentSymbol; + } + } + } + if (name.parent.kind === 271 /* SyntaxKind.ExportAssignment */ && ts.isEntityNameExpression(name)) { + // Even an entity name expression that doesn't resolve as an entityname may still typecheck as a property access expression + var success = resolveEntityName(name, + /*all meanings*/ 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */, /*ignoreErrors*/ true); + if (success && success !== unknownSymbol) { + return success; + } + } + else if (ts.isEntityName(name) && isInRightSideOfImportOrExportAssignment(name)) { + // Since we already checked for ExportAssignment, this really could only be an Import + var importEqualsDeclaration = ts.getAncestor(name, 265 /* SyntaxKind.ImportEqualsDeclaration */); + ts.Debug.assert(importEqualsDeclaration !== undefined); + return getSymbolOfPartOfRightHandSideOfImportEquals(name, /*dontResolveAlias*/ true); + } + if (ts.isEntityName(name)) { + var possibleImportNode = isImportTypeQualifierPart(name); + if (possibleImportNode) { + getTypeFromTypeNode(possibleImportNode); + var sym = getNodeLinks(name).resolvedSymbol; + return sym === unknownSymbol ? undefined : sym; + } + } + while (ts.isRightSideOfQualifiedNameOrPropertyAccessOrJSDocMemberName(name)) { + name = name.parent; + } + if (isHeritageClauseElementIdentifier(name)) { + var meaning = 0 /* SymbolFlags.None */; + // In an interface or class, we're definitely interested in a type. + if (name.parent.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */) { + meaning = 788968 /* SymbolFlags.Type */; + // In a class 'extends' clause we are also looking for a value. + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(name.parent)) { + meaning |= 111551 /* SymbolFlags.Value */; + } + } + else { + meaning = 1920 /* SymbolFlags.Namespace */; + } + meaning |= 2097152 /* SymbolFlags.Alias */; + var entityNameSymbol = ts.isEntityNameExpression(name) ? resolveEntityName(name, meaning) : undefined; + if (entityNameSymbol) { + return entityNameSymbol; + } + } + if (name.parent.kind === 340 /* SyntaxKind.JSDocParameterTag */) { + return ts.getParameterSymbolFromJSDoc(name.parent); + } + if (name.parent.kind === 163 /* SyntaxKind.TypeParameter */ && name.parent.parent.kind === 344 /* SyntaxKind.JSDocTemplateTag */) { + ts.Debug.assert(!ts.isInJSFile(name)); // Otherwise `isDeclarationName` would have been true. + var typeParameter = ts.getTypeParameterFromJsDoc(name.parent); + return typeParameter && typeParameter.symbol; + } + if (ts.isExpressionNode(name)) { + if (ts.nodeIsMissing(name)) { + // Missing entity name. + return undefined; + } + var isJSDoc_1 = ts.findAncestor(name, ts.or(ts.isJSDocLinkLike, ts.isJSDocNameReference, ts.isJSDocMemberName)); + var meaning = isJSDoc_1 ? 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 111551 /* SymbolFlags.Value */ : 111551 /* SymbolFlags.Value */; + if (name.kind === 79 /* SyntaxKind.Identifier */) { + if (ts.isJSXTagName(name) && isJsxIntrinsicIdentifier(name)) { + var symbol = getIntrinsicTagSymbol(name.parent); + return symbol === unknownSymbol ? undefined : symbol; + } + var result = resolveEntityName(name, meaning, /*ignoreErrors*/ false, /* dontResolveAlias */ true, ts.getHostSignatureFromJSDoc(name)); + if (!result && isJSDoc_1) { + var container = ts.findAncestor(name, ts.or(ts.isClassLike, ts.isInterfaceDeclaration)); + if (container) { + return resolveJSDocMemberName(name, getSymbolOfNode(container)); + } + } + return result; + } + else if (ts.isPrivateIdentifier(name)) { + return getSymbolForPrivateIdentifierExpression(name); + } + else if (name.kind === 206 /* SyntaxKind.PropertyAccessExpression */ || name.kind === 161 /* SyntaxKind.QualifiedName */) { + var links = getNodeLinks(name); + if (links.resolvedSymbol) { + return links.resolvedSymbol; + } + if (name.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + checkPropertyAccessExpression(name, 0 /* CheckMode.Normal */); + } + else { + checkQualifiedName(name, 0 /* CheckMode.Normal */); + } + if (!links.resolvedSymbol && isJSDoc_1 && ts.isQualifiedName(name)) { + return resolveJSDocMemberName(name); + } + return links.resolvedSymbol; + } + else if (ts.isJSDocMemberName(name)) { + return resolveJSDocMemberName(name); + } + } + else if (isTypeReferenceIdentifier(name)) { + var meaning = name.parent.kind === 178 /* SyntaxKind.TypeReference */ ? 788968 /* SymbolFlags.Type */ : 1920 /* SymbolFlags.Namespace */; + var symbol = resolveEntityName(name, meaning, /*ignoreErrors*/ false, /*dontResolveAlias*/ true); + return symbol && symbol !== unknownSymbol ? symbol : getUnresolvedSymbolForEntityName(name); + } + if (name.parent.kind === 177 /* SyntaxKind.TypePredicate */) { + return resolveEntityName(name, /*meaning*/ 1 /* SymbolFlags.FunctionScopedVariable */); + } + return undefined; + } + /** + * Recursively resolve entity names and jsdoc instance references: + * 1. K#m as K.prototype.m for a class (or other value) K + * 2. K.m as K.prototype.m + * 3. I.m as I.m for a type I, or any other I.m that fails to resolve in (1) or (2) + * + * For unqualified names, a container K may be provided as a second argument. + */ + function resolveJSDocMemberName(name, container) { + if (ts.isEntityName(name)) { + // resolve static values first + var meaning = 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 111551 /* SymbolFlags.Value */; + var symbol = resolveEntityName(name, meaning, /*ignoreErrors*/ false, /*dontResolveAlias*/ true, ts.getHostSignatureFromJSDoc(name)); + if (!symbol && ts.isIdentifier(name) && container) { + symbol = getMergedSymbol(getSymbol(getExportsOfSymbol(container), name.escapedText, meaning)); + } + if (symbol) { + return symbol; + } + } + var left = ts.isIdentifier(name) ? container : resolveJSDocMemberName(name.left); + var right = ts.isIdentifier(name) ? name.escapedText : name.right.escapedText; + if (left) { + var proto = left.flags & 111551 /* SymbolFlags.Value */ && getPropertyOfType(getTypeOfSymbol(left), "prototype"); + var t = proto ? getTypeOfSymbol(proto) : getDeclaredTypeOfSymbol(left); + return getPropertyOfType(t, right); + } + } + function getSymbolAtLocation(node, ignoreErrors) { + if (node.kind === 305 /* SyntaxKind.SourceFile */) { + return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined; + } + var parent = node.parent; + var grandParent = parent.parent; + if (node.flags & 33554432 /* NodeFlags.InWithStatement */) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + if (isDeclarationNameOrImportPropertyName(node)) { + // This is a declaration, call getSymbolOfNode + var parentSymbol = getSymbolOfNode(parent); + return ts.isImportOrExportSpecifier(node.parent) && node.parent.propertyName === node + ? getImmediateAliasedSymbol(parentSymbol) + : parentSymbol; + } + else if (ts.isLiteralComputedPropertyDeclarationName(node)) { + return getSymbolOfNode(parent.parent); + } + if (node.kind === 79 /* SyntaxKind.Identifier */) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return getSymbolOfNameOrPropertyAccessExpression(node); + } + else if (parent.kind === 203 /* SyntaxKind.BindingElement */ && + grandParent.kind === 201 /* SyntaxKind.ObjectBindingPattern */ && + node === parent.propertyName) { + var typeOfPattern = getTypeOfNode(grandParent); + var propertyDeclaration = getPropertyOfType(typeOfPattern, node.escapedText); + if (propertyDeclaration) { + return propertyDeclaration; + } + } + else if (ts.isMetaProperty(parent) && parent.name === node) { + if (parent.keywordToken === 103 /* SyntaxKind.NewKeyword */ && ts.idText(node) === "target") { + // `target` in `new.target` + return checkNewTargetMetaProperty(parent).symbol; + } + // The `meta` in `import.meta` could be given `getTypeOfNode(parent).symbol` (the `ImportMeta` interface symbol), but + // we have a fake expression type made for other reasons already, whose transient `meta` + // member should more exactly be the kind of (declarationless) symbol we want. + // (See #44364 and #45031 for relevant implementation PRs) + if (parent.keywordToken === 100 /* SyntaxKind.ImportKeyword */ && ts.idText(node) === "meta") { + return getGlobalImportMetaExpressionType().members.get("meta"); + } + // no other meta properties are valid syntax, thus no others should have symbols + return undefined; + } + } + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 80 /* SyntaxKind.PrivateIdentifier */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 161 /* SyntaxKind.QualifiedName */: + if (!ts.isThisInTypeQuery(node)) { + return getSymbolOfNameOrPropertyAccessExpression(node); + } + // falls through + case 108 /* SyntaxKind.ThisKeyword */: + var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + if (ts.isFunctionLike(container)) { + var sig = getSignatureFromDeclaration(container); + if (sig.thisParameter) { + return sig.thisParameter; + } + } + if (ts.isInExpressionContext(node)) { + return checkExpression(node).symbol; + } + // falls through + case 192 /* SyntaxKind.ThisType */: + return getTypeFromThisTypeNode(node).symbol; + case 106 /* SyntaxKind.SuperKeyword */: + return checkExpression(node).symbol; + case 134 /* SyntaxKind.ConstructorKeyword */: + // constructor keyword for an overload, should take us to the definition if it exist + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 171 /* SyntaxKind.Constructor */) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + // 1). import x = require("./mo/*gotToDefinitionHere*/d") + // 2). External module name in an import declaration + // 3). Dynamic import call or require in javascript + // 4). type A = import("./f/*gotToDefinitionHere*/oo") + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 266 /* SyntaxKind.ImportDeclaration */ || node.parent.kind === 272 /* SyntaxKind.ExportDeclaration */) && node.parent.moduleSpecifier === node) || + ((ts.isInJSFile(node) && ts.isRequireCall(node.parent, /*checkArgumentIsStringLiteralLike*/ false)) || ts.isImportCall(node.parent)) || + (ts.isLiteralTypeNode(node.parent) && ts.isLiteralImportTypeNode(node.parent.parent) && node.parent.parent.argument === node.parent)) { + return resolveExternalModuleName(node, node, ignoreErrors); + } + if (ts.isCallExpression(parent) && ts.isBindableObjectDefinePropertyCall(parent) && parent.arguments[1] === node) { + return getSymbolOfNode(parent); + } + // falls through + case 8 /* SyntaxKind.NumericLiteral */: + // index access + var objectType = ts.isElementAccessExpression(parent) + ? parent.argumentExpression === node ? getTypeOfExpression(parent.expression) : undefined + : ts.isLiteralTypeNode(parent) && ts.isIndexedAccessTypeNode(grandParent) + ? getTypeFromTypeNode(grandParent.objectType) + : undefined; + return objectType && getPropertyOfType(objectType, ts.escapeLeadingUnderscores(node.text)); + case 88 /* SyntaxKind.DefaultKeyword */: + case 98 /* SyntaxKind.FunctionKeyword */: + case 38 /* SyntaxKind.EqualsGreaterThanToken */: + case 84 /* SyntaxKind.ClassKeyword */: + return getSymbolOfNode(node.parent); + case 200 /* SyntaxKind.ImportType */: + return ts.isLiteralImportTypeNode(node) ? getSymbolAtLocation(node.argument.literal, ignoreErrors) : undefined; + case 93 /* SyntaxKind.ExportKeyword */: + return ts.isExportAssignment(node.parent) ? ts.Debug.checkDefined(node.parent.symbol) : undefined; + case 100 /* SyntaxKind.ImportKeyword */: + case 103 /* SyntaxKind.NewKeyword */: + return ts.isMetaProperty(node.parent) ? checkMetaPropertyKeyword(node.parent).symbol : undefined; + case 231 /* SyntaxKind.MetaProperty */: + return checkExpression(node).symbol; + default: + return undefined; + } + } + function getIndexInfosAtLocation(node) { + if (ts.isIdentifier(node) && ts.isPropertyAccessExpression(node.parent) && node.parent.name === node) { + var keyType_1 = getLiteralTypeFromPropertyName(node); + var objectType = getTypeOfExpression(node.parent.expression); + var objectTypes = objectType.flags & 1048576 /* TypeFlags.Union */ ? objectType.types : [objectType]; + return ts.flatMap(objectTypes, function (t) { return ts.filter(getIndexInfosOfType(t), function (info) { return isApplicableIndexType(keyType_1, info.keyType); }); }); + } + return undefined; + } + function getShorthandAssignmentValueSymbol(location) { + if (location && location.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + return resolveEntityName(location.name, 111551 /* SymbolFlags.Value */ | 2097152 /* SymbolFlags.Alias */); + } + return undefined; + } + /** Returns the target of an export specifier without following aliases */ + function getExportSpecifierLocalTargetSymbol(node) { + if (ts.isExportSpecifier(node)) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */); + } + else { + return resolveEntityName(node, 111551 /* SymbolFlags.Value */ | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */); + } + } + function getTypeOfNode(node) { + if (ts.isSourceFile(node) && !ts.isExternalModule(node)) { + return errorType; + } + if (node.flags & 33554432 /* NodeFlags.InWithStatement */) { + // We cannot answer semantic questions within a with block, do not proceed any further + return errorType; + } + var classDecl = ts.tryGetClassImplementingOrExtendingExpressionWithTypeArguments(node); + var classType = classDecl && getDeclaredTypeOfClassOrInterface(getSymbolOfNode(classDecl.class)); + if (ts.isPartOfTypeNode(node)) { + var typeFromTypeNode = getTypeFromTypeNode(node); + return classType ? getTypeWithThisArgument(typeFromTypeNode, classType.thisType) : typeFromTypeNode; + } + if (ts.isExpressionNode(node)) { + return getRegularTypeOfExpression(node); + } + if (classType && !classDecl.isImplements) { + // A SyntaxKind.ExpressionWithTypeArguments is considered a type node, except when it occurs in the + // extends clause of a class. We handle that case here. + var baseType = ts.firstOrUndefined(getBaseTypes(classType)); + return baseType ? getTypeWithThisArgument(baseType, classType.thisType) : errorType; + } + if (isTypeDeclaration(node)) { + // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol ? getDeclaredTypeOfSymbol(symbol) : errorType; + } + if (ts.isDeclaration(node)) { + // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration + var symbol = getSymbolOfNode(node); + return symbol ? getTypeOfSymbol(symbol) : errorType; + } + if (isDeclarationNameOrImportPropertyName(node)) { + var symbol = getSymbolAtLocation(node); + if (symbol) { + return getTypeOfSymbol(symbol); + } + return errorType; + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent, /*includeOptionality*/ true, 0 /* CheckMode.Normal */) || errorType; + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + if (symbol) { + var declaredType = getDeclaredTypeOfSymbol(symbol); + return !isErrorType(declaredType) ? declaredType : getTypeOfSymbol(symbol); + } + } + if (ts.isMetaProperty(node.parent) && node.parent.keywordToken === node.kind) { + return checkMetaPropertyKeyword(node.parent); + } + return errorType; + } + // Gets the type of object literal or array literal of destructuring assignment. + // { a } from + // for ( { a } of elems) { + // } + // [ a ] from + // [a] = [ some array ...] + function getTypeOfAssignmentPattern(expr) { + ts.Debug.assert(expr.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ || expr.kind === 204 /* SyntaxKind.ArrayLiteralExpression */); + // If this is from "for of" + // for ( { a } of elems) { + // } + if (expr.parent.kind === 244 /* SyntaxKind.ForOfStatement */) { + var iteratedType = checkRightHandSideOfForOf(expr.parent); + return checkDestructuringAssignment(expr, iteratedType || errorType); + } + // If this is from "for" initializer + // for ({a } = elems[0];.....) { } + if (expr.parent.kind === 221 /* SyntaxKind.BinaryExpression */) { + var iteratedType = getTypeOfExpression(expr.parent.right); + return checkDestructuringAssignment(expr, iteratedType || errorType); + } + // If this is from nested object binding pattern + // for ({ skills: { primary, secondary } } = multiRobot, i = 0; i < 1; i++) { + if (expr.parent.kind === 296 /* SyntaxKind.PropertyAssignment */) { + var node_3 = ts.cast(expr.parent.parent, ts.isObjectLiteralExpression); + var typeOfParentObjectLiteral = getTypeOfAssignmentPattern(node_3) || errorType; + var propertyIndex = ts.indexOfNode(node_3.properties, expr.parent); + return checkObjectLiteralDestructuringPropertyAssignment(node_3, typeOfParentObjectLiteral, propertyIndex); + } + // Array literal assignment - array destructuring pattern + var node = ts.cast(expr.parent, ts.isArrayLiteralExpression); + // [{ property1: p1, property2 }] = elems; + var typeOfArrayLiteral = getTypeOfAssignmentPattern(node) || errorType; + var elementType = checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, typeOfArrayLiteral, undefinedType, expr.parent) || errorType; + return checkArrayLiteralDestructuringElementAssignment(node, typeOfArrayLiteral, node.elements.indexOf(expr), elementType); + } + // Gets the property symbol corresponding to the property in destructuring assignment + // 'property1' from + // for ( { property1: a } of elems) { + // } + // 'property1' at location 'a' from: + // [a] = [ property1, property2 ] + function getPropertySymbolOfDestructuringAssignment(location) { + // Get the type of the object or array literal and then look for property of given name in the type + var typeOfObjectLiteral = getTypeOfAssignmentPattern(ts.cast(location.parent.parent, ts.isAssignmentPattern)); + return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.escapedText); + } + function getRegularTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return getRegularTypeOfLiteralType(getTypeOfExpression(expr)); + } + /** + * Gets either the static or instance type of a class element, based on + * whether the element is declared as "static". + */ + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return ts.isStatic(node) + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); + } + function getClassElementPropertyKeyType(element) { + var name = element.name; + switch (name.kind) { + case 79 /* SyntaxKind.Identifier */: + return getStringLiteralType(ts.idText(name)); + case 8 /* SyntaxKind.NumericLiteral */: + case 10 /* SyntaxKind.StringLiteral */: + return getStringLiteralType(name.text); + case 162 /* SyntaxKind.ComputedPropertyName */: + var nameType = checkComputedPropertyName(name); + return isTypeAssignableToKind(nameType, 12288 /* TypeFlags.ESSymbolLike */) ? nameType : stringType; + default: + return ts.Debug.fail("Unsupported property name."); + } + } + // Return the list of properties of the given type, augmented with properties from Function + // if the type has call or construct signatures + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = ts.createSymbolTable(getPropertiesOfType(type)); + var functionType = getSignaturesOfType(type, 0 /* SignatureKind.Call */).length ? globalCallableFunctionType : + getSignaturesOfType(type, 1 /* SignatureKind.Construct */).length ? globalNewableFunctionType : + undefined; + if (functionType) { + ts.forEach(getPropertiesOfType(functionType), function (p) { + if (!propsByName.has(p.escapedName)) { + propsByName.set(p.escapedName, p); + } + }); + } + return getNamedMembers(propsByName); + } + function typeHasCallOrConstructSignatures(type) { + return ts.typeHasCallOrConstructSignatures(type, checker); + } + function getRootSymbols(symbol) { + var roots = getImmediateRootSymbols(symbol); + return roots ? ts.flatMap(roots, getRootSymbols) : [symbol]; + } + function getImmediateRootSymbols(symbol) { + if (ts.getCheckFlags(symbol) & 6 /* CheckFlags.Synthetic */) { + return ts.mapDefined(getSymbolLinks(symbol).containingType.types, function (type) { return getPropertyOfType(type, symbol.escapedName); }); + } + else if (symbol.flags & 33554432 /* SymbolFlags.Transient */) { + var _a = symbol, leftSpread = _a.leftSpread, rightSpread = _a.rightSpread, syntheticOrigin = _a.syntheticOrigin; + return leftSpread ? [leftSpread, rightSpread] + : syntheticOrigin ? [syntheticOrigin] + : ts.singleElementArray(tryGetTarget(symbol)); + } + return undefined; + } + function tryGetTarget(symbol) { + var target; + var next = symbol; + while (next = getSymbolLinks(next).target) { + target = next; + } + return target; + } + // Emitter support + function isArgumentsLocalBinding(nodeIn) { + // Note: does not handle isShorthandPropertyAssignment (and probably a few more) + if (ts.isGeneratedIdentifier(nodeIn)) + return false; + var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier); + if (!node) + return false; + var parent = node.parent; + if (!parent) + return false; + var isPropertyName = ((ts.isPropertyAccessExpression(parent) + || ts.isPropertyAssignment(parent)) + && parent.name === node); + return !isPropertyName && getReferencedValueSymbol(node) === argumentsSymbol; + } + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + // If the module is not found or is shorthand, assume that it may export a value. + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + // if module has export assignment then 'resolveExternalModuleSymbol' will return resolved symbol for export assignment + // otherwise it will return moduleSymbol itself + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + // for export assignments - check if resolved symbol for RHS is itself a value + // otherwise - check if at least one export is value + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 111551 /* SymbolFlags.Value */) + : ts.forEachEntry(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 111551 /* SymbolFlags.Value */); + } + } + function isNameOfModuleOrEnumDeclaration(node) { + return ts.isModuleOrEnumDeclaration(node.parent) && node === node.parent.name; + } + // When resolved as an expression identifier, if the given node references an exported entity, return the declaration + // node of the exported entity's container. Otherwise, return undefined. + function getReferencedExportContainer(nodeIn, prefixLocals) { + var _a; + var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier); + if (node) { + // When resolving the export container for the name of a module or enum + // declaration, we need to start resolution at the declaration's container. + // Otherwise, we could incorrectly resolve the export container as the + // declaration if it contains an exported member with the same name. + var symbol = getReferencedValueSymbol(node, /*startInDeclarationContainer*/ isNameOfModuleOrEnumDeclaration(node)); + if (symbol) { + if (symbol.flags & 1048576 /* SymbolFlags.ExportValue */) { + // If we reference an exported entity within the same module declaration, then whether + // we prefix depends on the kind of entity. SymbolFlags.ExportHasLocal encompasses all the + // kinds that we do NOT prefix. + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (!prefixLocals && exportSymbol.flags & 944 /* SymbolFlags.ExportHasLocal */ && !(exportSymbol.flags & 3 /* SymbolFlags.Variable */)) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol_1 = getParentOfSymbol(symbol); + if (parentSymbol_1) { + if (parentSymbol_1.flags & 512 /* SymbolFlags.ValueModule */ && ((_a = parentSymbol_1.valueDeclaration) === null || _a === void 0 ? void 0 : _a.kind) === 305 /* SyntaxKind.SourceFile */) { + var symbolFile = parentSymbol_1.valueDeclaration; + var referenceFile = ts.getSourceFileOfNode(node); + // If `node` accesses an export and that export isn't in the same file, then symbol is a namespace export, so return undefined. + var symbolIsUmdExport = symbolFile !== referenceFile; + return symbolIsUmdExport ? undefined : symbolFile; + } + return ts.findAncestor(node.parent, function (n) { return ts.isModuleOrEnumDeclaration(n) && getSymbolOfNode(n) === parentSymbol_1; }); + } + } + } + } + // When resolved as an expression identifier, if the given node references an import, return the declaration of + // that import. Otherwise, return undefined. + function getReferencedImportDeclaration(nodeIn) { + if (nodeIn.generatedImportReference) { + return nodeIn.generatedImportReference; + } + var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier); + if (node) { + var symbol = getReferencedValueSymbol(node); + // We should only get the declaration of an alias if there isn't a local value + // declaration for the symbol + if (isNonLocalAlias(symbol, /*excludes*/ 111551 /* SymbolFlags.Value */) && !getTypeOnlyAliasDeclaration(symbol)) { + return getDeclarationOfAliasSymbol(symbol); + } + } + return undefined; + } + function isSymbolOfDestructuredElementOfCatchBinding(symbol) { + return symbol.valueDeclaration + && ts.isBindingElement(symbol.valueDeclaration) + && ts.walkUpBindingElementsAndPatterns(symbol.valueDeclaration).parent.kind === 292 /* SyntaxKind.CatchClause */; + } + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418 /* SymbolFlags.BlockScoped */ && symbol.valueDeclaration && !ts.isSourceFile(symbol.valueDeclaration)) { + var links = getSymbolLinks(symbol); + if (links.isDeclarationWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container) || isSymbolOfDestructuredElementOfCatchBinding(symbol)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (resolveName(container.parent, symbol.escapedName, 111551 /* SymbolFlags.Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)) { + // redeclaration - always should be renamed + links.isDeclarationWithCollidingName = true; + } + else if (nodeLinks_1.flags & 262144 /* NodeCheckFlags.CapturedBlockScopedBinding */) { + // binding is captured in the function + // should be renamed if: + // - binding is not top level - top level bindings never collide with anything + // AND + // - binding is not declared in loop, should be renamed to avoid name reuse across siblings + // let a, b + // { let x = 1; a = () => x; } + // { let x = 100; b = () => x; } + // console.log(a()); // should print '1' + // console.log(b()); // should print '100' + // OR + // - binding is declared inside loop but not in inside initializer of iteration statement or directly inside loop body + // * variables from initializer are passed to rewritten loop body as parameters so they are not captured directly + // * variables that are declared immediately in loop body will become top level variable after loop is rewritten and thus + // they will not collide with anything + var isDeclaredInLoop = nodeLinks_1.flags & 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + var inLoopInitializer = ts.isIterationStatement(container, /*lookInLabeledStatements*/ false); + var inLoopBodyBlock = container.kind === 235 /* SyntaxKind.Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false); + links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclarationWithCollidingName = false; + } + } + } + return links.isDeclarationWithCollidingName; + } + return false; + } + // When resolved as an expression identifier, if the given node references a nested block scoped entity with + // a name that either hides an existing name or might hide it when compiled downlevel, + // return the declaration of that entity. Otherwise, return undefined. + function getReferencedDeclarationWithCollidingName(nodeIn) { + if (!ts.isGeneratedIdentifier(nodeIn)) { + var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier); + if (node) { + var symbol = getReferencedValueSymbol(node); + if (symbol && isSymbolOfDeclarationWithCollidingName(symbol)) { + return symbol.valueDeclaration; + } + } + } + return undefined; + } + // Return true if the given node is a declaration of a nested block scoped entity with a name that either hides an + // existing name or might hide a name when compiled downlevel + function isDeclarationWithCollidingName(nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isDeclaration); + if (node) { + var symbol = getSymbolOfNode(node); + if (symbol) { + return isSymbolOfDeclarationWithCollidingName(symbol); + } + } + return false; + } + function isValueAliasDeclaration(node) { + switch (node.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return isAliasResolvedToValue(getSymbolOfNode(node)); + case 267 /* SyntaxKind.ImportClause */: + case 268 /* SyntaxKind.NamespaceImport */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: + var symbol = getSymbolOfNode(node); + return !!symbol && isAliasResolvedToValue(symbol) && !getTypeOnlyAliasDeclaration(symbol); + case 272 /* SyntaxKind.ExportDeclaration */: + var exportClause = node.exportClause; + return !!exportClause && (ts.isNamespaceExport(exportClause) || + ts.some(exportClause.elements, isValueAliasDeclaration)); + case 271 /* SyntaxKind.ExportAssignment */: + return node.expression && node.expression.kind === 79 /* SyntaxKind.Identifier */ ? + isAliasResolvedToValue(getSymbolOfNode(node)) : + true; + } + return false; + } + function isTopLevelValueImportEqualsWithEntityName(nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isImportEqualsDeclaration); + if (node === undefined || node.parent.kind !== 305 /* SyntaxKind.SourceFile */ || !ts.isInternalModuleImportEqualsDeclaration(node)) { + // parent is not source file or it is not reference to internal module + return false; + } + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + } + function isAliasResolvedToValue(symbol) { + if (!symbol) { + return false; + } + var target = getExportSymbolOfValueSymbolIfExported(resolveAlias(symbol)); + if (target === unknownSymbol) { + return true; + } + // const enums and modules that contain only const enums are not considered values from the emit perspective + // unless 'preserveConstEnums' option is set to true + return !!(target.flags & 111551 /* SymbolFlags.Value */) && + (ts.shouldPreserveConstEnums(compilerOptions) || !isConstEnumOrConstEnumOnlyModule(target)); + } + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || !!s.constEnumOnlyModule; + } + function isReferencedAliasDeclaration(node, checkChildren) { + if (isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + var links = symbol && getSymbolLinks(symbol); + if (links === null || links === void 0 ? void 0 : links.referenced) { + return true; + } + var target = getSymbolLinks(symbol).aliasTarget; // TODO: GH#18217 + if (target && ts.getEffectiveModifierFlags(node) & 1 /* ModifierFlags.Export */ && + target.flags & 111551 /* SymbolFlags.Value */ && + (ts.shouldPreserveConstEnums(compilerOptions) || !isConstEnumOrConstEnumOnlyModule(target))) { + // An `export import ... =` of a value symbol is always considered referenced + return true; + } + } + if (checkChildren) { + return !!ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + } + return false; + } + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + if (ts.isGetAccessor(node) || ts.isSetAccessor(node)) + return false; // Get or set accessors can never be overload implementations, but can have up to 2 signatures + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + // If this function body corresponds to function with multiple signature, it is implementation of overload + // e.g.: function foo(a: string): string; + // function foo(a: number): number; + // function foo(a: any) { // This is implementation of the overloads + // return a; + // } + return signaturesOfSymbol.length > 1 || + // If there is single signature for the symbol, it is overload if that signature isn't coming from the node + // e.g.: function foo(a: string): string; + // function foo(a: any) { // This is implementation of the overloads + // return a; + // } + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + } + return false; + } + function isRequiredInitializedParameter(parameter) { + return !!strictNullChecks && + !isOptionalParameter(parameter) && + !ts.isJSDocParameterTag(parameter) && + !!parameter.initializer && + !ts.hasSyntacticModifier(parameter, 16476 /* ModifierFlags.ParameterPropertyModifier */); + } + function isOptionalUninitializedParameterProperty(parameter) { + return strictNullChecks && + isOptionalParameter(parameter) && + !parameter.initializer && + ts.hasSyntacticModifier(parameter, 16476 /* ModifierFlags.ParameterPropertyModifier */); + } + function isExpandoFunctionDeclaration(node) { + var declaration = ts.getParseTreeNode(node, ts.isFunctionDeclaration); + if (!declaration) { + return false; + } + var symbol = getSymbolOfNode(declaration); + if (!symbol || !(symbol.flags & 16 /* SymbolFlags.Function */)) { + return false; + } + return !!ts.forEachEntry(getExportsOfSymbol(symbol), function (p) { return p.flags & 111551 /* SymbolFlags.Value */ && p.valueDeclaration && ts.isPropertyAccessExpression(p.valueDeclaration); }); + } + function getPropertiesOfContainerFunction(node) { + var declaration = ts.getParseTreeNode(node, ts.isFunctionDeclaration); + if (!declaration) { + return ts.emptyArray; + } + var symbol = getSymbolOfNode(declaration); + return symbol && getPropertiesOfType(getTypeOfSymbol(symbol)) || ts.emptyArray; + } + function getNodeCheckFlags(node) { + var _a; + var nodeId = node.id || 0; + if (nodeId < 0 || nodeId >= nodeLinks.length) + return 0; + return ((_a = nodeLinks[nodeId]) === null || _a === void 0 ? void 0 : _a.flags) || 0; + } + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; + } + function canHaveConstantValue(node) { + switch (node.kind) { + case 299 /* SyntaxKind.EnumMember */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + return true; + } + return false; + } + function getConstantValue(node) { + if (node.kind === 299 /* SyntaxKind.EnumMember */) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8 /* SymbolFlags.EnumMember */)) { + // inline property\index accesses only for const enums + var member = symbol.valueDeclaration; + if (ts.isEnumConst(member.parent)) { + return getEnumMemberValue(member); + } + } + return undefined; + } + function isFunctionType(type) { + return !!(type.flags & 524288 /* TypeFlags.Object */) && getSignaturesOfType(type, 0 /* SignatureKind.Call */).length > 0; + } + function getTypeReferenceSerializationKind(typeNameIn, location) { + var _a, _b; + // ensure both `typeName` and `location` are parse tree nodes. + var typeName = ts.getParseTreeNode(typeNameIn, ts.isEntityName); + if (!typeName) + return ts.TypeReferenceSerializationKind.Unknown; + if (location) { + location = ts.getParseTreeNode(location); + if (!location) + return ts.TypeReferenceSerializationKind.Unknown; + } + // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. + var isTypeOnly = false; + if (ts.isQualifiedName(typeName)) { + var rootValueSymbol = resolveEntityName(ts.getFirstIdentifier(typeName), 111551 /* SymbolFlags.Value */, /*ignoreErrors*/ true, /*dontResolveAlias*/ true, location); + isTypeOnly = !!((_a = rootValueSymbol === null || rootValueSymbol === void 0 ? void 0 : rootValueSymbol.declarations) === null || _a === void 0 ? void 0 : _a.every(ts.isTypeOnlyImportOrExportDeclaration)); + } + var valueSymbol = resolveEntityName(typeName, 111551 /* SymbolFlags.Value */, /*ignoreErrors*/ true, /*dontResolveAlias*/ true, location); + var resolvedSymbol = valueSymbol && valueSymbol.flags & 2097152 /* SymbolFlags.Alias */ ? resolveAlias(valueSymbol) : valueSymbol; + isTypeOnly || (isTypeOnly = !!((_b = valueSymbol === null || valueSymbol === void 0 ? void 0 : valueSymbol.declarations) === null || _b === void 0 ? void 0 : _b.every(ts.isTypeOnlyImportOrExportDeclaration))); + // Resolve the symbol as a type so that we can provide a more useful hint for the type serializer. + var typeSymbol = resolveEntityName(typeName, 788968 /* SymbolFlags.Type */, /*ignoreErrors*/ true, /*dontResolveAlias*/ false, location); + if (resolvedSymbol && resolvedSymbol === typeSymbol) { + var globalPromiseSymbol = getGlobalPromiseConstructorSymbol(/*reportErrors*/ false); + if (globalPromiseSymbol && resolvedSymbol === globalPromiseSymbol) { + return ts.TypeReferenceSerializationKind.Promise; + } + var constructorType = getTypeOfSymbol(resolvedSymbol); + if (constructorType && isConstructorType(constructorType)) { + return isTypeOnly ? ts.TypeReferenceSerializationKind.TypeWithCallSignature : ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + } + // We might not be able to resolve type symbol so use unknown type in that case (eg error case) + if (!typeSymbol) { + return isTypeOnly ? ts.TypeReferenceSerializationKind.ObjectType : ts.TypeReferenceSerializationKind.Unknown; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (isErrorType(type)) { + return isTypeOnly ? ts.TypeReferenceSerializationKind.ObjectType : ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 3 /* TypeFlags.AnyOrUnknown */) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (isTypeAssignableToKind(type, 16384 /* TypeFlags.Void */ | 98304 /* TypeFlags.Nullable */ | 131072 /* TypeFlags.Never */)) { + return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType; + } + else if (isTypeAssignableToKind(type, 528 /* TypeFlags.BooleanLike */)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (isTypeAssignableToKind(type, 296 /* TypeFlags.NumberLike */)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (isTypeAssignableToKind(type, 2112 /* TypeFlags.BigIntLike */)) { + return ts.TypeReferenceSerializationKind.BigIntLikeType; + } + else if (isTypeAssignableToKind(type, 402653316 /* TypeFlags.StringLike */)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (isTupleType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (isTypeAssignableToKind(type, 12288 /* TypeFlags.ESSymbolLike */)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else { + return ts.TypeReferenceSerializationKind.ObjectType; + } + } + function createTypeOfDeclaration(declarationIn, enclosingDeclaration, flags, tracker, addUndefined) { + var declaration = ts.getParseTreeNode(declarationIn, ts.isVariableLikeOrAccessor); + if (!declaration) { + return ts.factory.createToken(130 /* SyntaxKind.AnyKeyword */); + } + // Get type of the symbol if this is the valid symbol otherwise get type at location + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 /* SymbolFlags.TypeLiteral */ | 131072 /* SymbolFlags.Signature */)) + ? getWidenedLiteralType(getTypeOfSymbol(symbol)) + : errorType; + if (type.flags & 8192 /* TypeFlags.UniqueESSymbol */ && + type.symbol === symbol) { + flags |= 1048576 /* NodeBuilderFlags.AllowUniqueESSymbolType */; + } + if (addUndefined) { + type = getOptionalType(type); + } + return nodeBuilder.typeToTypeNode(type, enclosingDeclaration, flags | 1024 /* NodeBuilderFlags.MultilineObjectLiterals */, tracker); + } + function createReturnTypeOfSignatureDeclaration(signatureDeclarationIn, enclosingDeclaration, flags, tracker) { + var signatureDeclaration = ts.getParseTreeNode(signatureDeclarationIn, ts.isFunctionLike); + if (!signatureDeclaration) { + return ts.factory.createToken(130 /* SyntaxKind.AnyKeyword */); + } + var signature = getSignatureFromDeclaration(signatureDeclaration); + return nodeBuilder.typeToTypeNode(getReturnTypeOfSignature(signature), enclosingDeclaration, flags | 1024 /* NodeBuilderFlags.MultilineObjectLiterals */, tracker); + } + function createTypeOfExpression(exprIn, enclosingDeclaration, flags, tracker) { + var expr = ts.getParseTreeNode(exprIn, ts.isExpression); + if (!expr) { + return ts.factory.createToken(130 /* SyntaxKind.AnyKeyword */); + } + var type = getWidenedType(getRegularTypeOfExpression(expr)); + return nodeBuilder.typeToTypeNode(type, enclosingDeclaration, flags | 1024 /* NodeBuilderFlags.MultilineObjectLiterals */, tracker); + } + function hasGlobalName(name) { + return globals.has(ts.escapeLeadingUnderscores(name)); + } + function getReferencedValueSymbol(reference, startInDeclarationContainer) { + var resolvedSymbol = getNodeLinks(reference).resolvedSymbol; + if (resolvedSymbol) { + return resolvedSymbol; + } + var location = reference; + if (startInDeclarationContainer) { + // When resolving the name of a declaration as a value, we need to start resolution + // at a point outside of the declaration. + var parent = reference.parent; + if (ts.isDeclaration(parent) && reference === parent.name) { + location = getDeclarationContainer(parent); + } + } + return resolveName(location, reference.escapedText, 111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */ | 2097152 /* SymbolFlags.Alias */, /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true); + } + function getReferencedValueDeclaration(referenceIn) { + if (!ts.isGeneratedIdentifier(referenceIn)) { + var reference = ts.getParseTreeNode(referenceIn, ts.isIdentifier); + if (reference) { + var symbol = getReferencedValueSymbol(reference); + if (symbol) { + return getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } + } + } + return undefined; + } + function isLiteralConstDeclaration(node) { + if (ts.isDeclarationReadonly(node) || ts.isVariableDeclaration(node) && ts.isVarConst(node)) { + return isFreshLiteralType(getTypeOfSymbol(getSymbolOfNode(node))); + } + return false; + } + function literalTypeToNode(type, enclosing, tracker) { + var enumResult = type.flags & 1024 /* TypeFlags.EnumLiteral */ ? nodeBuilder.symbolToExpression(type.symbol, 111551 /* SymbolFlags.Value */, enclosing, /*flags*/ undefined, tracker) + : type === trueType ? ts.factory.createTrue() : type === falseType && ts.factory.createFalse(); + if (enumResult) + return enumResult; + var literalValue = type.value; + return typeof literalValue === "object" ? ts.factory.createBigIntLiteral(literalValue) : + typeof literalValue === "number" ? ts.factory.createNumericLiteral(literalValue) : + ts.factory.createStringLiteral(literalValue); + } + function createLiteralConstValue(node, tracker) { + var type = getTypeOfSymbol(getSymbolOfNode(node)); + return literalTypeToNode(type, node, tracker); + } + function getJsxFactoryEntity(location) { + return location ? (getJsxNamespace(location), (ts.getSourceFileOfNode(location).localJsxFactory || _jsxFactoryEntity)) : _jsxFactoryEntity; + } + function getJsxFragmentFactoryEntity(location) { + if (location) { + var file = ts.getSourceFileOfNode(location); + if (file) { + if (file.localJsxFragmentFactory) { + return file.localJsxFragmentFactory; + } + var jsxFragPragmas = file.pragmas.get("jsxfrag"); + var jsxFragPragma = ts.isArray(jsxFragPragmas) ? jsxFragPragmas[0] : jsxFragPragmas; + if (jsxFragPragma) { + file.localJsxFragmentFactory = ts.parseIsolatedEntityName(jsxFragPragma.arguments.factory, languageVersion); + return file.localJsxFragmentFactory; + } + } + } + if (compilerOptions.jsxFragmentFactory) { + return ts.parseIsolatedEntityName(compilerOptions.jsxFragmentFactory, languageVersion); + } + } + function createResolver() { + // this variable and functions that use it are deliberately moved here from the outer scope + // to avoid scope pollution + var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives(); + var fileToDirective; + if (resolvedTypeReferenceDirectives) { + // populate reverse mapping: file path -> type reference directive that was resolved to this file + fileToDirective = new ts.Map(); + resolvedTypeReferenceDirectives.forEach(function (resolvedDirective, key, mode) { + if (!resolvedDirective || !resolvedDirective.resolvedFileName) { + return; + } + var file = host.getSourceFile(resolvedDirective.resolvedFileName); + if (file) { + // Add the transitive closure of path references loaded by this file (as long as they are not) + // part of an existing type reference. + addReferencedFilesToTypeDirective(file, key, mode); + } + }); + } + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn); + // Synthesized nodes are always treated like values. + return node ? isValueAliasDeclaration(node) : true; + }, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: function (nodeIn, checkChildren) { + var node = ts.getParseTreeNode(nodeIn); + // Synthesized nodes are always treated as referenced. + return node ? isReferencedAliasDeclaration(node, checkChildren) : true; + }, + getNodeCheckFlags: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn); + return node ? getNodeCheckFlags(node) : 0; + }, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + isRequiredInitializedParameter: isRequiredInitializedParameter, + isOptionalUninitializedParameterProperty: isOptionalUninitializedParameterProperty, + isExpandoFunctionDeclaration: isExpandoFunctionDeclaration, + getPropertiesOfContainerFunction: getPropertiesOfContainerFunction, + createTypeOfDeclaration: createTypeOfDeclaration, + createReturnTypeOfSignatureDeclaration: createReturnTypeOfSignatureDeclaration, + createTypeOfExpression: createTypeOfExpression, + createLiteralConstValue: createLiteralConstValue, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, canHaveConstantValue); + return node ? getConstantValue(node) : undefined; + }, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.hasPossibleExternalModuleReference); + return node && getExternalModuleFileFromDeclaration(node); + }, + getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName, + getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol, + isLiteralConstDeclaration: isLiteralConstDeclaration, + isLateBound: function (nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isDeclaration); + var symbol = node && getSymbolOfNode(node); + return !!(symbol && ts.getCheckFlags(symbol) & 4096 /* CheckFlags.Late */); + }, + getJsxFactoryEntity: getJsxFactoryEntity, + getJsxFragmentFactoryEntity: getJsxFragmentFactoryEntity, + getAllAccessorDeclarations: function (accessor) { + accessor = ts.getParseTreeNode(accessor, ts.isGetOrSetAccessorDeclaration); // TODO: GH#18217 + var otherKind = accessor.kind === 173 /* SyntaxKind.SetAccessor */ ? 172 /* SyntaxKind.GetAccessor */ : 173 /* SyntaxKind.SetAccessor */; + var otherAccessor = ts.getDeclarationOfKind(getSymbolOfNode(accessor), otherKind); + var firstAccessor = otherAccessor && (otherAccessor.pos < accessor.pos) ? otherAccessor : accessor; + var secondAccessor = otherAccessor && (otherAccessor.pos < accessor.pos) ? accessor : otherAccessor; + var setAccessor = accessor.kind === 173 /* SyntaxKind.SetAccessor */ ? accessor : otherAccessor; + var getAccessor = accessor.kind === 172 /* SyntaxKind.GetAccessor */ ? accessor : otherAccessor; + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + setAccessor: setAccessor, + getAccessor: getAccessor + }; + }, + getSymbolOfExternalModuleSpecifier: function (moduleName) { return resolveExternalModuleNameWorker(moduleName, moduleName, /*moduleNotFoundError*/ undefined); }, + isBindingCapturedByNode: function (node, decl) { + var parseNode = ts.getParseTreeNode(node); + var parseDecl = ts.getParseTreeNode(decl); + return !!parseNode && !!parseDecl && (ts.isVariableDeclaration(parseDecl) || ts.isBindingElement(parseDecl)) && isBindingCapturedByNode(parseNode, parseDecl); + }, + getDeclarationStatementsForSourceFile: function (node, flags, tracker, bundled) { + var n = ts.getParseTreeNode(node); + ts.Debug.assert(n && n.kind === 305 /* SyntaxKind.SourceFile */, "Non-sourcefile node passed into getDeclarationsForSourceFile"); + var sym = getSymbolOfNode(node); + if (!sym) { + return !node.locals ? [] : nodeBuilder.symbolTableToDeclarationStatements(node.locals, node, flags, tracker, bundled); + } + return !sym.exports ? [] : nodeBuilder.symbolTableToDeclarationStatements(sym.exports, node, flags, tracker, bundled); + }, + isImportRequiredByAugmentation: isImportRequiredByAugmentation, + }; + function isImportRequiredByAugmentation(node) { + var file = ts.getSourceFileOfNode(node); + if (!file.symbol) + return false; + var importTarget = getExternalModuleFileFromDeclaration(node); + if (!importTarget) + return false; + if (importTarget === file) + return false; + var exports = getExportsOfModule(file.symbol); + for (var _i = 0, _a = ts.arrayFrom(exports.values()); _i < _a.length; _i++) { + var s = _a[_i]; + if (s.mergeId) { + var merged = getMergedSymbol(s); + if (merged.declarations) { + for (var _b = 0, _c = merged.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declFile = ts.getSourceFileOfNode(d); + if (declFile === importTarget) { + return true; + } + } + } + } + } + return false; + } + function isInHeritageClause(node) { + return node.parent && node.parent.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */ && node.parent.parent && node.parent.parent.kind === 291 /* SyntaxKind.HeritageClause */; + } + // defined here to avoid outer scope pollution + function getTypeReferenceDirectivesForEntityName(node) { + // program does not have any files with type reference directives - bail out + if (!fileToDirective) { + return undefined; + } + // property access can only be used as values, or types when within an expression with type arguments inside a heritage clause + // qualified names can only be used as types\namespaces + // identifiers are treated as values only if they appear in type queries + var meaning = 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */; + if ((node.kind === 79 /* SyntaxKind.Identifier */ && isInTypeQuery(node)) || (node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ && !isInHeritageClause(node))) { + meaning = 111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */; + } + var symbol = resolveEntityName(node, meaning, /*ignoreErrors*/ true); + return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined; + } + // defined here to avoid outer scope pollution + function getTypeReferenceDirectivesForSymbol(symbol, meaning) { + // program does not have any files with type reference directives - bail out + if (!fileToDirective || !isSymbolFromTypeDeclarationFile(symbol)) { + return undefined; + } + // check what declarations in the symbol can contribute to the target meaning + var typeReferenceDirectives; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + // check meaning of the local symbol to see if declaration needs to be analyzed further + if (decl.symbol && decl.symbol.flags & meaning) { + var file = ts.getSourceFileOfNode(decl); + var typeReferenceDirective = fileToDirective.get(file.path); + if (typeReferenceDirective) { + (typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective); + } + else { + // found at least one entry that does not originate from type reference directive + return undefined; + } + } + } + return typeReferenceDirectives; + } + function isSymbolFromTypeDeclarationFile(symbol) { + // bail out if symbol does not have associated declarations (i.e. this is transient symbol created for property in binding pattern) + if (!symbol.declarations) { + return false; + } + // walk the parent chain for symbols to make sure that top level parent symbol is in the global scope + // external modules cannot define or contribute to type declaration files + var current = symbol; + while (true) { + var parent = getParentOfSymbol(current); + if (parent) { + current = parent; + } + else { + break; + } + } + if (current.valueDeclaration && current.valueDeclaration.kind === 305 /* SyntaxKind.SourceFile */ && current.flags & 512 /* SymbolFlags.ValueModule */) { + return false; + } + // check that at least one declaration of top level symbol originates from type declaration file + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var file = ts.getSourceFileOfNode(decl); + if (fileToDirective.has(file.path)) { + return true; + } + } + return false; + } + function addReferencedFilesToTypeDirective(file, key, mode) { + if (fileToDirective.has(file.path)) + return; + fileToDirective.set(file.path, [key, mode]); + for (var _i = 0, _a = file.referencedFiles; _i < _a.length; _i++) { + var _b = _a[_i], fileName = _b.fileName, resolutionMode = _b.resolutionMode; + var resolvedFile = ts.resolveTripleslashReference(fileName, file.fileName); + var referencedFile = host.getSourceFile(resolvedFile); + if (referencedFile) { + addReferencedFilesToTypeDirective(referencedFile, key, resolutionMode || file.impliedNodeFormat); + } + } + } + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = declaration.kind === 261 /* SyntaxKind.ModuleDeclaration */ ? ts.tryCast(declaration.name, ts.isStringLiteral) : ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, /*moduleNotFoundError*/ undefined); // TODO: GH#18217 + if (!moduleSymbol) { + return undefined; + } + return ts.getDeclarationOfKind(moduleSymbol, 305 /* SyntaxKind.SourceFile */); + } + function initializeTypeChecker() { + // Bind all source files and propagate errors + for (var _i = 0, _a = host.getSourceFiles(); _i < _a.length; _i++) { + var file = _a[_i]; + ts.bindSourceFile(file, compilerOptions); + } + amalgamatedDuplicates = new ts.Map(); + // Initialize global symbol table + var augmentations; + for (var _b = 0, _c = host.getSourceFiles(); _b < _c.length; _b++) { + var file = _c[_b]; + if (file.redirectInfo) { + continue; + } + if (!ts.isExternalOrCommonJsModule(file)) { + // It is an error for a non-external-module (i.e. script) to declare its own `globalThis`. + // We can't use `builtinGlobals` for this due to synthetic expando-namespace generation in JS files. + var fileGlobalThisSymbol = file.locals.get("globalThis"); + if (fileGlobalThisSymbol === null || fileGlobalThisSymbol === void 0 ? void 0 : fileGlobalThisSymbol.declarations) { + for (var _d = 0, _e = fileGlobalThisSymbol.declarations; _d < _e.length; _d++) { + var declaration = _e[_d]; + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0, "globalThis")); + } + } + mergeSymbolTable(globals, file.locals); + } + if (file.jsGlobalAugmentations) { + mergeSymbolTable(globals, file.jsGlobalAugmentations); + } + if (file.patternAmbientModules && file.patternAmbientModules.length) { + patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + if (file.symbol && file.symbol.globalExports) { + // Merge in UMD exports with first-in-wins semantics (see #9771) + var source = file.symbol.globalExports; + source.forEach(function (sourceSymbol, id) { + if (!globals.has(id)) { + globals.set(id, sourceSymbol); + } + }); + } + } + // We do global augmentations separately from module augmentations (and before creating global types) because they + // 1. Affect global types. We won't have the correct global types until global augmentations are merged. Also, + // 2. Module augmentation instantiation requires creating the type of a module, which, in turn, can require + // checking for an export or property on the module (if export=) which, in turn, can fall back to the + // apparent type of the module - either globalObjectType or globalFunctionType - which wouldn't exist if we + // did module augmentations prior to finalizing the global types. + if (augmentations) { + // merge _global_ module augmentations. + // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed + for (var _f = 0, augmentations_1 = augmentations; _f < augmentations_1.length; _f++) { + var list = augmentations_1[_f]; + for (var _g = 0, list_1 = list; _g < list_1.length; _g++) { + var augmentation = list_1[_g]; + if (!ts.isGlobalScopeAugmentation(augmentation.parent)) + continue; + mergeModuleAugmentation(augmentation); + } + } + } + // Setup global builtins + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedWideningType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments", /*arity*/ 0, /*reportErrors*/ true); + getSymbolLinks(unknownSymbol).type = errorType; + getSymbolLinks(globalThisSymbol).type = createObjectType(16 /* ObjectFlags.Anonymous */, globalThisSymbol); + // Initialize special types + globalArrayType = getGlobalType("Array", /*arity*/ 1, /*reportErrors*/ true); + globalObjectType = getGlobalType("Object", /*arity*/ 0, /*reportErrors*/ true); + globalFunctionType = getGlobalType("Function", /*arity*/ 0, /*reportErrors*/ true); + globalCallableFunctionType = strictBindCallApply && getGlobalType("CallableFunction", /*arity*/ 0, /*reportErrors*/ true) || globalFunctionType; + globalNewableFunctionType = strictBindCallApply && getGlobalType("NewableFunction", /*arity*/ 0, /*reportErrors*/ true) || globalFunctionType; + globalStringType = getGlobalType("String", /*arity*/ 0, /*reportErrors*/ true); + globalNumberType = getGlobalType("Number", /*arity*/ 0, /*reportErrors*/ true); + globalBooleanType = getGlobalType("Boolean", /*arity*/ 0, /*reportErrors*/ true); + globalRegExpType = getGlobalType("RegExp", /*arity*/ 0, /*reportErrors*/ true); + anyArrayType = createArrayType(anyType); + autoArrayType = createArrayType(autoType); + if (autoArrayType === emptyObjectType) { + // autoArrayType is used as a marker, so even if global Array type is not defined, it needs to be a unique type + autoArrayType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, ts.emptyArray); + } + globalReadonlyArrayType = getGlobalTypeOrUndefined("ReadonlyArray", /*arity*/ 1) || globalArrayType; + anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType; + globalThisType = getGlobalTypeOrUndefined("ThisType", /*arity*/ 1); + if (augmentations) { + // merge _nonglobal_ module augmentations. + // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed + for (var _h = 0, augmentations_2 = augmentations; _h < augmentations_2.length; _h++) { + var list = augmentations_2[_h]; + for (var _j = 0, list_2 = list; _j < list_2.length; _j++) { + var augmentation = list_2[_j]; + if (ts.isGlobalScopeAugmentation(augmentation.parent)) + continue; + mergeModuleAugmentation(augmentation); + } + } + } + amalgamatedDuplicates.forEach(function (_a) { + var firstFile = _a.firstFile, secondFile = _a.secondFile, conflictingSymbols = _a.conflictingSymbols; + // If not many things conflict, issue individual errors + if (conflictingSymbols.size < 8) { + conflictingSymbols.forEach(function (_a, symbolName) { + var isBlockScoped = _a.isBlockScoped, firstFileLocations = _a.firstFileLocations, secondFileLocations = _a.secondFileLocations; + var message = isBlockScoped ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + for (var _i = 0, firstFileLocations_1 = firstFileLocations; _i < firstFileLocations_1.length; _i++) { + var node = firstFileLocations_1[_i]; + addDuplicateDeclarationError(node, message, symbolName, secondFileLocations); + } + for (var _b = 0, secondFileLocations_1 = secondFileLocations; _b < secondFileLocations_1.length; _b++) { + var node = secondFileLocations_1[_b]; + addDuplicateDeclarationError(node, message, symbolName, firstFileLocations); + } + }); + } + else { + // Otherwise issue top-level error since the files appear very identical in terms of what they contain + var list = ts.arrayFrom(conflictingSymbols.keys()).join(", "); + diagnostics.add(ts.addRelatedInfo(ts.createDiagnosticForNode(firstFile, ts.Diagnostics.Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0, list), ts.createDiagnosticForNode(secondFile, ts.Diagnostics.Conflicts_are_in_this_file))); + diagnostics.add(ts.addRelatedInfo(ts.createDiagnosticForNode(secondFile, ts.Diagnostics.Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0, list), ts.createDiagnosticForNode(firstFile, ts.Diagnostics.Conflicts_are_in_this_file))); + } + }); + amalgamatedDuplicates = undefined; + } + function checkExternalEmitHelpers(location, helpers) { + if ((requestedExternalEmitHelpers & helpers) !== helpers && compilerOptions.importHelpers) { + var sourceFile = ts.getSourceFileOfNode(location); + if (ts.isEffectiveExternalModule(sourceFile, compilerOptions) && !(location.flags & 16777216 /* NodeFlags.Ambient */)) { + var helpersModule = resolveHelpersModule(sourceFile, location); + if (helpersModule !== unknownSymbol) { + var uncheckedHelpers = helpers & ~requestedExternalEmitHelpers; + for (var helper = 1 /* ExternalEmitHelpers.FirstEmitHelper */; helper <= 4194304 /* ExternalEmitHelpers.LastEmitHelper */; helper <<= 1) { + if (uncheckedHelpers & helper) { + var name = getHelperName(helper); + var symbol = getSymbol(helpersModule.exports, ts.escapeLeadingUnderscores(name), 111551 /* SymbolFlags.Value */); + if (!symbol) { + error(location, ts.Diagnostics.This_syntax_requires_an_imported_helper_named_1_which_does_not_exist_in_0_Consider_upgrading_your_version_of_0, ts.externalHelpersModuleNameText, name); + } + else if (helper & 524288 /* ExternalEmitHelpers.ClassPrivateFieldGet */) { + if (!ts.some(getSignaturesOfSymbol(symbol), function (signature) { return getParameterCount(signature) > 3; })) { + error(location, ts.Diagnostics.This_syntax_requires_an_imported_helper_named_1_with_2_parameters_which_is_not_compatible_with_the_one_in_0_Consider_upgrading_your_version_of_0, ts.externalHelpersModuleNameText, name, 4); + } + } + else if (helper & 1048576 /* ExternalEmitHelpers.ClassPrivateFieldSet */) { + if (!ts.some(getSignaturesOfSymbol(symbol), function (signature) { return getParameterCount(signature) > 4; })) { + error(location, ts.Diagnostics.This_syntax_requires_an_imported_helper_named_1_with_2_parameters_which_is_not_compatible_with_the_one_in_0_Consider_upgrading_your_version_of_0, ts.externalHelpersModuleNameText, name, 5); + } + } + else if (helper & 1024 /* ExternalEmitHelpers.SpreadArray */) { + if (!ts.some(getSignaturesOfSymbol(symbol), function (signature) { return getParameterCount(signature) > 2; })) { + error(location, ts.Diagnostics.This_syntax_requires_an_imported_helper_named_1_with_2_parameters_which_is_not_compatible_with_the_one_in_0_Consider_upgrading_your_version_of_0, ts.externalHelpersModuleNameText, name, 3); + } + } + } + } + } + requestedExternalEmitHelpers |= helpers; + } + } + } + function getHelperName(helper) { + switch (helper) { + case 1 /* ExternalEmitHelpers.Extends */: return "__extends"; + case 2 /* ExternalEmitHelpers.Assign */: return "__assign"; + case 4 /* ExternalEmitHelpers.Rest */: return "__rest"; + case 8 /* ExternalEmitHelpers.Decorate */: return "__decorate"; + case 16 /* ExternalEmitHelpers.Metadata */: return "__metadata"; + case 32 /* ExternalEmitHelpers.Param */: return "__param"; + case 64 /* ExternalEmitHelpers.Awaiter */: return "__awaiter"; + case 128 /* ExternalEmitHelpers.Generator */: return "__generator"; + case 256 /* ExternalEmitHelpers.Values */: return "__values"; + case 512 /* ExternalEmitHelpers.Read */: return "__read"; + case 1024 /* ExternalEmitHelpers.SpreadArray */: return "__spreadArray"; + case 2048 /* ExternalEmitHelpers.Await */: return "__await"; + case 4096 /* ExternalEmitHelpers.AsyncGenerator */: return "__asyncGenerator"; + case 8192 /* ExternalEmitHelpers.AsyncDelegator */: return "__asyncDelegator"; + case 16384 /* ExternalEmitHelpers.AsyncValues */: return "__asyncValues"; + case 32768 /* ExternalEmitHelpers.ExportStar */: return "__exportStar"; + case 65536 /* ExternalEmitHelpers.ImportStar */: return "__importStar"; + case 131072 /* ExternalEmitHelpers.ImportDefault */: return "__importDefault"; + case 262144 /* ExternalEmitHelpers.MakeTemplateObject */: return "__makeTemplateObject"; + case 524288 /* ExternalEmitHelpers.ClassPrivateFieldGet */: return "__classPrivateFieldGet"; + case 1048576 /* ExternalEmitHelpers.ClassPrivateFieldSet */: return "__classPrivateFieldSet"; + case 2097152 /* ExternalEmitHelpers.ClassPrivateFieldIn */: return "__classPrivateFieldIn"; + case 4194304 /* ExternalEmitHelpers.CreateBinding */: return "__createBinding"; + default: return ts.Debug.fail("Unrecognized helper"); + } + } + function resolveHelpersModule(node, errorNode) { + if (!externalHelpersModule) { + externalHelpersModule = resolveExternalModule(node, ts.externalHelpersModuleNameText, ts.Diagnostics.This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found, errorNode) || unknownSymbol; + } + return externalHelpersModule; + } + // GRAMMAR CHECKING + function checkGrammarDecoratorsAndModifiers(node) { + return checkGrammarDecorators(node) || checkGrammarModifiers(node); + } + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; + } + if (!ts.nodeCanBeDecorated(node, node.parent, node.parent.parent)) { + if (node.kind === 169 /* SyntaxKind.MethodDeclaration */ && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } + } + else if (node.kind === 172 /* SyntaxKind.GetAccessor */ || node.kind === 173 /* SyntaxKind.SetAccessor */) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } + } + return false; + } + function checkGrammarModifiers(node) { + var quickResult = reportObviousModifierErrors(node); + if (quickResult !== undefined) { + return quickResult; + } + var lastStatic, lastDeclare, lastAsync, lastOverride; + var flags = 0 /* ModifierFlags.None */; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + if (modifier.kind !== 145 /* SyntaxKind.ReadonlyKeyword */) { + if (node.kind === 166 /* SyntaxKind.PropertySignature */ || node.kind === 168 /* SyntaxKind.MethodSignature */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind)); + } + if (node.kind === 176 /* SyntaxKind.IndexSignature */ && (modifier.kind !== 124 /* SyntaxKind.StaticKeyword */ || !ts.isClassLike(node.parent))) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind)); + } + } + if (modifier.kind !== 101 /* SyntaxKind.InKeyword */ && modifier.kind !== 144 /* SyntaxKind.OutKeyword */) { + if (node.kind === 163 /* SyntaxKind.TypeParameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_parameter, ts.tokenToString(modifier.kind)); + } + } + switch (modifier.kind) { + case 85 /* SyntaxKind.ConstKeyword */: + if (node.kind !== 260 /* SyntaxKind.EnumDeclaration */) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(85 /* SyntaxKind.ConstKeyword */)); + } + break; + case 159 /* SyntaxKind.OverrideKeyword */: + // If node.kind === SyntaxKind.Parameter, checkParameter reports an error if it's not a parameter property. + if (flags & 16384 /* ModifierFlags.Override */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "override"); + } + else if (flags & 2 /* ModifierFlags.Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "override", "declare"); + } + else if (flags & 64 /* ModifierFlags.Readonly */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "override", "readonly"); + } + else if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "override", "async"); + } + flags |= 16384 /* ModifierFlags.Override */; + lastOverride = modifier; + break; + case 123 /* SyntaxKind.PublicKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + var text = visibilityToString(ts.modifierToFlag(modifier.kind)); + if (flags & 28 /* ModifierFlags.AccessibilityModifier */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 16384 /* ModifierFlags.Override */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "override"); + } + else if (flags & 32 /* ModifierFlags.Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 64 /* ModifierFlags.Readonly */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly"); + } + else if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ || node.parent.kind === 305 /* SyntaxKind.SourceFile */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text); + } + else if (flags & 128 /* ModifierFlags.Abstract */) { + if (modifier.kind === 121 /* SyntaxKind.PrivateKeyword */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + else if (ts.isPrivateIdentifierClassElementDeclaration(node)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.An_accessibility_modifier_cannot_be_used_with_a_private_identifier); + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 124 /* SyntaxKind.StaticKeyword */: + if (flags & 32 /* ModifierFlags.Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 64 /* ModifierFlags.Readonly */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly"); + } + else if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ || node.parent.kind === 305 /* SyntaxKind.SourceFile */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static"); + } + else if (node.kind === 164 /* SyntaxKind.Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128 /* ModifierFlags.Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + else if (flags & 16384 /* ModifierFlags.Override */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "override"); + } + flags |= 32 /* ModifierFlags.Static */; + lastStatic = modifier; + break; + case 145 /* SyntaxKind.ReadonlyKeyword */: + if (flags & 64 /* ModifierFlags.Readonly */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly"); + } + else if (node.kind !== 167 /* SyntaxKind.PropertyDeclaration */ && node.kind !== 166 /* SyntaxKind.PropertySignature */ && node.kind !== 176 /* SyntaxKind.IndexSignature */ && node.kind !== 164 /* SyntaxKind.Parameter */) { + // If node.kind === SyntaxKind.Parameter, checkParameter reports an error if it's not a parameter property. + return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature); + } + flags |= 64 /* ModifierFlags.Readonly */; + break; + case 93 /* SyntaxKind.ExportKeyword */: + if (flags & 1 /* ModifierFlags.Export */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 2 /* ModifierFlags.Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128 /* ModifierFlags.Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (ts.isClassLike(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_class_elements_of_this_kind, "export"); + } + else if (node.kind === 164 /* SyntaxKind.Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 1 /* ModifierFlags.Export */; + break; + case 88 /* SyntaxKind.DefaultKeyword */: + var container = node.parent.kind === 305 /* SyntaxKind.SourceFile */ ? node.parent : node.parent.parent; + if (container.kind === 261 /* SyntaxKind.ModuleDeclaration */ && !ts.isAmbientModule(container)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_default_export_can_only_be_used_in_an_ECMAScript_style_module); + } + else if (!(flags & 1 /* ModifierFlags.Export */)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "default"); + } + flags |= 512 /* ModifierFlags.Default */; + break; + case 135 /* SyntaxKind.DeclareKeyword */: + if (flags & 2 /* ModifierFlags.Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (flags & 16384 /* ModifierFlags.Override */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "override"); + } + else if (ts.isClassLike(node.parent) && !ts.isPropertyDeclaration(node)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_class_elements_of_this_kind, "declare"); + } + else if (node.kind === 164 /* SyntaxKind.Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if ((node.parent.flags & 16777216 /* NodeFlags.Ambient */) && node.parent.kind === 262 /* SyntaxKind.ModuleBlock */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + else if (ts.isPrivateIdentifierClassElementDeclaration(node)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_a_private_identifier, "declare"); + } + flags |= 2 /* ModifierFlags.Ambient */; + lastDeclare = modifier; + break; + case 126 /* SyntaxKind.AbstractKeyword */: + if (flags & 128 /* ModifierFlags.Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 257 /* SyntaxKind.ClassDeclaration */ && + node.kind !== 180 /* SyntaxKind.ConstructorType */) { + if (node.kind !== 169 /* SyntaxKind.MethodDeclaration */ && + node.kind !== 167 /* SyntaxKind.PropertyDeclaration */ && + node.kind !== 172 /* SyntaxKind.GetAccessor */ && + node.kind !== 173 /* SyntaxKind.SetAccessor */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration); + } + if (!(node.parent.kind === 257 /* SyntaxKind.ClassDeclaration */ && ts.hasSyntacticModifier(node.parent, 128 /* ModifierFlags.Abstract */))) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 32 /* ModifierFlags.Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 8 /* ModifierFlags.Private */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + if (flags & 256 /* ModifierFlags.Async */ && lastAsync) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "async", "abstract"); + } + if (flags & 16384 /* ModifierFlags.Override */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "abstract", "override"); + } + } + if (ts.isNamedDeclaration(node) && node.name.kind === 80 /* SyntaxKind.PrivateIdentifier */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_a_private_identifier, "abstract"); + } + flags |= 128 /* ModifierFlags.Abstract */; + break; + case 131 /* SyntaxKind.AsyncKeyword */: + if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 2 /* ModifierFlags.Ambient */ || node.parent.flags & 16777216 /* NodeFlags.Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 164 /* SyntaxKind.Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + if (flags & 128 /* ModifierFlags.Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "async", "abstract"); + } + flags |= 256 /* ModifierFlags.Async */; + lastAsync = modifier; + break; + case 101 /* SyntaxKind.InKeyword */: + case 144 /* SyntaxKind.OutKeyword */: + var inOutFlag = modifier.kind === 101 /* SyntaxKind.InKeyword */ ? 32768 /* ModifierFlags.In */ : 65536 /* ModifierFlags.Out */; + var inOutText = modifier.kind === 101 /* SyntaxKind.InKeyword */ ? "in" : "out"; + if (node.kind !== 163 /* SyntaxKind.TypeParameter */ || !(ts.isInterfaceDeclaration(node.parent) || ts.isClassLike(node.parent) || ts.isTypeAliasDeclaration(node.parent))) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_can_only_appear_on_a_type_parameter_of_a_class_interface_or_type_alias, inOutText); + } + if (flags & inOutFlag) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, inOutText); + } + if (inOutFlag & 32768 /* ModifierFlags.In */ && flags & 65536 /* ModifierFlags.Out */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "in", "out"); + } + flags |= inOutFlag; + break; + } + } + if (node.kind === 171 /* SyntaxKind.Constructor */) { + if (flags & 32 /* ModifierFlags.Static */) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 16384 /* ModifierFlags.Override */) { + return grammarErrorOnNode(lastOverride, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "override"); // TODO: GH#18217 + } + if (flags & 256 /* ModifierFlags.Async */) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + return false; + } + else if ((node.kind === 266 /* SyntaxKind.ImportDeclaration */ || node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) && flags & 2 /* ModifierFlags.Ambient */) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + } + else if (node.kind === 164 /* SyntaxKind.Parameter */ && (flags & 16476 /* ModifierFlags.ParameterPropertyModifier */) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern); + } + else if (node.kind === 164 /* SyntaxKind.Parameter */ && (flags & 16476 /* ModifierFlags.ParameterPropertyModifier */) && node.dotDotDotToken) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter); + } + if (flags & 256 /* ModifierFlags.Async */) { + return checkGrammarAsyncModifier(node, lastAsync); + } + return false; + } + /** + * true | false: Early return this value from checkGrammarModifiers. + * undefined: Need to do full checking on the modifiers. + */ + function reportObviousModifierErrors(node) { + return !node.modifiers + ? false + : shouldReportBadModifier(node) + ? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here) + : undefined; + } + function shouldReportBadModifier(node) { + switch (node.kind) { + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 171 /* SyntaxKind.Constructor */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 176 /* SyntaxKind.IndexSignature */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + case 271 /* SyntaxKind.ExportAssignment */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 164 /* SyntaxKind.Parameter */: + case 163 /* SyntaxKind.TypeParameter */: + return false; + default: + if (node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ || node.parent.kind === 305 /* SyntaxKind.SourceFile */) { + return false; + } + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + return nodeHasAnyModifiersExcept(node, 131 /* SyntaxKind.AsyncKeyword */); + case 257 /* SyntaxKind.ClassDeclaration */: + case 180 /* SyntaxKind.ConstructorType */: + return nodeHasAnyModifiersExcept(node, 126 /* SyntaxKind.AbstractKeyword */); + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 237 /* SyntaxKind.VariableStatement */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return true; + case 260 /* SyntaxKind.EnumDeclaration */: + return nodeHasAnyModifiersExcept(node, 85 /* SyntaxKind.ConstKeyword */); + default: + ts.Debug.fail(); + } + } + } + function nodeHasAnyModifiersExcept(node, allowedModifier) { + return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier; + } + function checkGrammarAsyncModifier(node, asyncModifier) { + switch (node.kind) { + case 169 /* SyntaxKind.MethodDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return false; + } + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); + } + function checkGrammarForDisallowedTrailingComma(list, diag) { + if (diag === void 0) { diag = ts.Diagnostics.Trailing_comma_not_allowed; } + if (list && list.hasTrailingComma) { + return grammarErrorAtPos(list[0], list.end - ",".length, ",".length, diag); + } + return false; + } + function checkGrammarTypeParameterList(typeParameters, file) { + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + } + return false; + } + function checkGrammarParameterList(parameters) { + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (!(parameter.flags & 16777216 /* NodeFlags.Ambient */)) { // Allow `...foo,` in ambient declarations; see GH#23070 + checkGrammarForDisallowedTrailingComma(parameters, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (isOptionalParameter(parameter)) { + seenOptionalParameter = true; + if (parameter.questionToken && parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } + } + } + function getNonSimpleParameters(parameters) { + return ts.filter(parameters, function (parameter) { return !!parameter.initializer || ts.isBindingPattern(parameter.name) || ts.isRestParameter(parameter); }); + } + function checkGrammarForUseStrictSimpleParameterList(node) { + if (languageVersion >= 3 /* ScriptTarget.ES2016 */) { + var useStrictDirective_1 = node.body && ts.isBlock(node.body) && ts.findUseStrictPrologue(node.body.statements); + if (useStrictDirective_1) { + var nonSimpleParameters = getNonSimpleParameters(node.parameters); + if (ts.length(nonSimpleParameters)) { + ts.forEach(nonSimpleParameters, function (parameter) { + ts.addRelatedInfo(error(parameter, ts.Diagnostics.This_parameter_is_not_allowed_with_use_strict_directive), ts.createDiagnosticForNode(useStrictDirective_1, ts.Diagnostics.use_strict_directive_used_here)); + }); + var diagnostics_2 = nonSimpleParameters.map(function (parameter, index) { return (index === 0 ? ts.createDiagnosticForNode(parameter, ts.Diagnostics.Non_simple_parameter_declared_here) : ts.createDiagnosticForNode(parameter, ts.Diagnostics.and_here)); }); + ts.addRelatedInfo.apply(void 0, __spreadArray([error(useStrictDirective_1, ts.Diagnostics.use_strict_directive_cannot_be_used_with_non_simple_parameter_list)], diagnostics_2, false)); + return true; + } + } + } + return false; + } + function checkGrammarFunctionLikeDeclaration(node) { + // Prevent cascading error by short-circuit + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecoratorsAndModifiers(node) || + checkGrammarTypeParameterList(node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || + checkGrammarArrowFunction(node, file) || + (ts.isFunctionLikeDeclaration(node) && checkGrammarForUseStrictSimpleParameterList(node)); + } + function checkGrammarClassLikeDeclaration(node) { + var file = ts.getSourceFileOfNode(node); + return checkGrammarClassDeclarationHeritageClauses(node) || + checkGrammarTypeParameterList(node.typeParameters, file); + } + function checkGrammarArrowFunction(node, file) { + if (!ts.isArrowFunction(node)) { + return false; + } + if (node.typeParameters && !(ts.length(node.typeParameters) > 1 || node.typeParameters.hasTrailingComma || node.typeParameters[0].constraint)) { + if (file && ts.fileExtensionIsOneOf(file.fileName, [".mts" /* Extension.Mts */, ".cts" /* Extension.Cts */])) { + grammarErrorOnNode(node.typeParameters[0], ts.Diagnostics.This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Add_a_trailing_comma_or_explicit_constraint); + } + } + var equalsGreaterThanToken = node.equalsGreaterThanToken; + var startLine = ts.getLineAndCharacterOfPosition(file, equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, equalsGreaterThanToken.end).line; + return startLine !== endLine && grammarErrorOnNode(equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + else { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + } + checkGrammarForDisallowedTrailingComma(node.parameters, ts.Diagnostics.An_index_signature_cannot_have_a_trailing_comma); + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + if (ts.hasEffectiveModifiers(parameter)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + } + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + } + var type = getTypeFromTypeNode(parameter.type); + if (someType(type, function (t) { return !!(t.flags & 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */); }) || isGenericType(type)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_object_type_instead); + } + if (!everyType(type, isValidIndexKeyType)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + } + return false; + } + function checkGrammarIndexSignature(node) { + // Prevent cascading error by short-circuit + return checkGrammarDecoratorsAndModifiers(node) || checkGrammarIndexSignatureParameters(node); + } + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + return false; + } + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + } + function checkGrammarTaggedTemplateChain(node) { + if (node.questionDotToken || node.flags & 32 /* NodeFlags.OptionalChain */) { + return grammarErrorOnNode(node.template, ts.Diagnostics.Tagged_template_expressions_are_not_permitted_in_an_optional_chain); + } + return false; + } + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; + } + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + return grammarErrorAtPos(node, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + return ts.some(types, checkGrammarExpressionWithTypeArguments); + } + function checkGrammarExpressionWithTypeArguments(node) { + if (ts.isExpressionWithTypeArguments(node) && ts.isImportKeyword(node.expression) && node.typeArguments) { + return grammarErrorOnNode(node, ts.Diagnostics.This_use_of_import_is_invalid_import_calls_can_be_written_but_they_must_have_parentheses_and_cannot_have_type_arguments); + } + return checkGrammarTypeArguments(node, node.typeArguments); + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecoratorsAndModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 94 /* SyntaxKind.ExtendsKeyword */) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 117 /* SyntaxKind.ImplementsKeyword */); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + // Grammar checking heritageClause inside class declaration + checkGrammarHeritageClause(heritageClause); + } + } + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 94 /* SyntaxKind.ExtendsKeyword */) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 117 /* SyntaxKind.ImplementsKeyword */); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + // Grammar checking heritageClause inside class declaration + checkGrammarHeritageClause(heritageClause); + } + } + return false; + } + function checkGrammarComputedPropertyName(node) { + // If node is not a computedPropertyName, just skip the grammar checking + if (node.kind !== 162 /* SyntaxKind.ComputedPropertyName */) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 221 /* SyntaxKind.BinaryExpression */ && computedPropertyName.expression.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } + return false; + } + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 256 /* SyntaxKind.FunctionDeclaration */ || + node.kind === 213 /* SyntaxKind.FunctionExpression */ || + node.kind === 169 /* SyntaxKind.MethodDeclaration */); + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + } + } + function checkGrammarForInvalidQuestionMark(questionToken, message) { + return !!questionToken && grammarErrorOnNode(questionToken, message); + } + function checkGrammarForInvalidExclamationToken(exclamationToken, message) { + return !!exclamationToken && grammarErrorOnNode(exclamationToken, message); + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = new ts.Map(); + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.kind === 298 /* SyntaxKind.SpreadAssignment */) { + if (inDestructuring) { + // a rest property cannot be destructured any further + var expression = ts.skipParentheses(prop.expression); + if (ts.isArrayLiteralExpression(expression) || ts.isObjectLiteralExpression(expression)) { + return grammarErrorOnNode(prop.expression, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + } + continue; + } + var name = prop.name; + if (name.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + // If the name is not a ComputedPropertyName, the grammar checking will skip it + checkGrammarComputedPropertyName(name); + } + if (prop.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */ && !inDestructuring && prop.objectAssignmentInitializer) { + // having objectAssignmentInitializer is only valid in ObjectAssignmentPattern + // outside of destructuring it is a syntax error + grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.Did_you_mean_to_use_a_Colon_An_can_only_follow_a_property_name_when_the_containing_object_literal_is_part_of_a_destructuring_pattern); + } + if (name.kind === 80 /* SyntaxKind.PrivateIdentifier */) { + grammarErrorOnNode(name, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies); + } + // Modifiers are never allowed on properties except for 'async' on a method declaration + if (prop.modifiers) { + for (var _b = 0, _c = prop.modifiers; _b < _c.length; _b++) { + var mod = _c[_b]; + if (mod.kind !== 131 /* SyntaxKind.AsyncKeyword */ || prop.kind !== 169 /* SyntaxKind.MethodDeclaration */) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + } + } + // ECMA-262 11.1.5 Object Initializer + // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true + // a.This production is contained in strict code and IsDataDescriptor(previous) is true and + // IsDataDescriptor(propId.descriptor) is true. + // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. + // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. + // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true + // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields + var currentKind = void 0; + switch (prop.kind) { + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + checkGrammarForInvalidExclamationToken(prop.exclamationToken, ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context); + // falls through + case 296 /* SyntaxKind.PropertyAssignment */: + // Grammar checking for computedPropertyName and shorthandPropertyAssignment + checkGrammarForInvalidQuestionMark(prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name.kind === 8 /* SyntaxKind.NumericLiteral */) { + checkGrammarNumericLiteral(name); + } + currentKind = 4 /* DeclarationMeaning.PropertyAssignment */; + break; + case 169 /* SyntaxKind.MethodDeclaration */: + currentKind = 8 /* DeclarationMeaning.Method */; + break; + case 172 /* SyntaxKind.GetAccessor */: + currentKind = 1 /* DeclarationMeaning.GetAccessor */; + break; + case 173 /* SyntaxKind.SetAccessor */: + currentKind = 2 /* DeclarationMeaning.SetAccessor */; + break; + default: + throw ts.Debug.assertNever(prop, "Unexpected syntax kind:" + prop.kind); + } + if (!inDestructuring) { + var effectiveName = ts.getPropertyNameForPropertyNameNode(name); + if (effectiveName === undefined) { + continue; + } + var existingKind = seen.get(effectiveName); + if (!existingKind) { + seen.set(effectiveName, currentKind); + } + else { + if ((currentKind & 8 /* DeclarationMeaning.Method */) && (existingKind & 8 /* DeclarationMeaning.Method */)) { + grammarErrorOnNode(name, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name)); + } + else if ((currentKind & 4 /* DeclarationMeaning.PropertyAssignment */) && (existingKind & 4 /* DeclarationMeaning.PropertyAssignment */)) { + grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name, ts.getTextOfNode(name)); + } + else if ((currentKind & 3 /* DeclarationMeaning.GetOrSetAccessor */) && (existingKind & 3 /* DeclarationMeaning.GetOrSetAccessor */)) { + if (existingKind !== 3 /* DeclarationMeaning.GetOrSetAccessor */ && currentKind !== existingKind) { + seen.set(effectiveName, currentKind | existingKind); + } + else { + return grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name); + } + } + else { + return grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name); + } + } + } + } + } + function checkGrammarJsxElement(node) { + checkGrammarJsxName(node.tagName); + checkGrammarTypeArguments(node, node.typeArguments); + var seen = new ts.Map(); + for (var _i = 0, _a = node.attributes.properties; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 287 /* SyntaxKind.JsxSpreadAttribute */) { + continue; + } + var name = attr.name, initializer = attr.initializer; + if (!seen.get(name.escapedText)) { + seen.set(name.escapedText, true); + } + else { + return grammarErrorOnNode(name, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + if (initializer && initializer.kind === 288 /* SyntaxKind.JsxExpression */ && !initializer.expression) { + return grammarErrorOnNode(initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + } + } + } + function checkGrammarJsxName(node) { + if (ts.isPropertyAccessExpression(node)) { + var propName = node; + do { + var check_1 = checkGrammarJsxNestedIdentifier(propName.name); + if (check_1) { + return check_1; + } + propName = propName.expression; + } while (ts.isPropertyAccessExpression(propName)); + var check = checkGrammarJsxNestedIdentifier(propName); + if (check) { + return check; + } + } + function checkGrammarJsxNestedIdentifier(name) { + if (ts.isIdentifier(name) && ts.idText(name).indexOf(":") !== -1) { + return grammarErrorOnNode(name, ts.Diagnostics.JSX_property_access_expressions_cannot_include_JSX_namespace_names); + } + } + } + function checkGrammarJsxExpression(node) { + if (node.expression && ts.isCommaSequence(node.expression)) { + return grammarErrorOnNode(node.expression, ts.Diagnostics.JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array); + } + } + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.kind === 244 /* SyntaxKind.ForOfStatement */ && forInOrOfStatement.awaitModifier) { + if (!(forInOrOfStatement.flags & 32768 /* NodeFlags.AwaitContext */)) { + var sourceFile = ts.getSourceFileOfNode(forInOrOfStatement); + if (ts.isInTopLevelContext(forInOrOfStatement)) { + if (!hasParseDiagnostics(sourceFile)) { + if (!ts.isEffectiveExternalModule(sourceFile, compilerOptions)) { + diagnostics.add(ts.createDiagnosticForNode(forInOrOfStatement.awaitModifier, ts.Diagnostics.for_await_loops_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module)); + } + switch (moduleKind) { + case ts.ModuleKind.Node16: + case ts.ModuleKind.NodeNext: + if (sourceFile.impliedNodeFormat === ts.ModuleKind.CommonJS) { + diagnostics.add(ts.createDiagnosticForNode(forInOrOfStatement.awaitModifier, ts.Diagnostics.The_current_file_is_a_CommonJS_module_and_cannot_use_await_at_the_top_level)); + break; + } + // fallthrough + case ts.ModuleKind.ES2022: + case ts.ModuleKind.ESNext: + case ts.ModuleKind.System: + if (languageVersion >= 4 /* ScriptTarget.ES2017 */) { + break; + } + // fallthrough + default: + diagnostics.add(ts.createDiagnosticForNode(forInOrOfStatement.awaitModifier, ts.Diagnostics.Top_level_for_await_loops_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_node16_or_nodenext_and_the_target_option_is_set_to_es2017_or_higher)); + break; + } + } + } + else { + // use of 'for-await-of' in non-async function + if (!hasParseDiagnostics(sourceFile)) { + var diagnostic = ts.createDiagnosticForNode(forInOrOfStatement.awaitModifier, ts.Diagnostics.for_await_loops_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules); + var func = ts.getContainingFunction(forInOrOfStatement); + if (func && func.kind !== 171 /* SyntaxKind.Constructor */) { + ts.Debug.assert((ts.getFunctionFlags(func) & 2 /* FunctionFlags.Async */) === 0, "Enclosing function should never be an async function."); + var relatedInfo = ts.createDiagnosticForNode(func, ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async); + ts.addRelatedInfo(diagnostic, relatedInfo); + } + diagnostics.add(diagnostic); + return true; + } + } + return false; + } + } + if (ts.isForOfStatement(forInOrOfStatement) && !(forInOrOfStatement.flags & 32768 /* NodeFlags.AwaitContext */) && + ts.isIdentifier(forInOrOfStatement.initializer) && forInOrOfStatement.initializer.escapedText === "async") { + grammarErrorOnNode(forInOrOfStatement.initializer, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_may_not_be_async); + return false; + } + if (forInOrOfStatement.initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + // declarations.length can be zero if there is an error in variable declaration in for-of or for-in + // See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details + // For example: + // var let = 10; + // for (let of [1,2,3]) {} // this is invalid ES6 syntax + // for (let in [1,2,3]) {} // this is invalid ES6 syntax + // We will then want to skip on grammar checking on variableList declaration + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 243 /* SyntaxKind.ForInStatement */ + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 243 /* SyntaxKind.ForInStatement */ + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 243 /* SyntaxKind.ForInStatement */ + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } + } + } + return false; + } + function checkGrammarAccessor(accessor) { + if (!(accessor.flags & 16777216 /* NodeFlags.Ambient */) && (accessor.parent.kind !== 182 /* SyntaxKind.TypeLiteral */) && (accessor.parent.kind !== 258 /* SyntaxKind.InterfaceDeclaration */)) { + if (languageVersion < 1 /* ScriptTarget.ES5 */) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); + } + if (languageVersion < 2 /* ScriptTarget.ES2015 */ && ts.isPrivateIdentifier(accessor.name)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher); + } + if (accessor.body === undefined && !ts.hasSyntacticModifier(accessor, 128 /* ModifierFlags.Abstract */)) { + return grammarErrorAtPos(accessor, accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + } + if (accessor.body) { + if (ts.hasSyntacticModifier(accessor, 128 /* ModifierFlags.Abstract */)) { + return grammarErrorOnNode(accessor, ts.Diagnostics.An_abstract_accessor_cannot_have_an_implementation); + } + if (accessor.parent.kind === 182 /* SyntaxKind.TypeLiteral */ || accessor.parent.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + return grammarErrorOnNode(accessor.body, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + } + if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); + } + if (!doesAccessorHaveCorrectParameterCount(accessor)) { + return grammarErrorOnNode(accessor.name, accessor.kind === 172 /* SyntaxKind.GetAccessor */ ? + ts.Diagnostics.A_get_accessor_cannot_have_parameters : + ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + } + if (accessor.kind === 173 /* SyntaxKind.SetAccessor */) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + var parameter = ts.Debug.checkDefined(ts.getSetAccessorValueParameter(accessor), "Return value does not match parameter count assertion."); + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + } + } + return false; + } + /** Does the accessor have the right number of parameters? + * A get accessor has no parameters or a single `this` parameter. + * A set accessor has one parameter or a `this` parameter and one more parameter. + */ + function doesAccessorHaveCorrectParameterCount(accessor) { + return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 172 /* SyntaxKind.GetAccessor */ ? 0 : 1); + } + function getAccessorThisParameter(accessor) { + if (accessor.parameters.length === (accessor.kind === 172 /* SyntaxKind.GetAccessor */ ? 1 : 2)) { + return ts.getThisParameter(accessor); + } + } + function checkGrammarTypeOperatorNode(node) { + if (node.operator === 154 /* SyntaxKind.UniqueKeyword */) { + if (node.type.kind !== 151 /* SyntaxKind.SymbolKeyword */) { + return grammarErrorOnNode(node.type, ts.Diagnostics._0_expected, ts.tokenToString(151 /* SyntaxKind.SymbolKeyword */)); + } + var parent = ts.walkUpParenthesizedTypes(node.parent); + if (ts.isInJSFile(parent) && ts.isJSDocTypeExpression(parent)) { + var host_2 = ts.getJSDocHost(parent); + if (host_2) { + parent = ts.getSingleVariableOfVariableStatement(host_2) || host_2; + } + } + switch (parent.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + var decl = parent; + if (decl.name.kind !== 79 /* SyntaxKind.Identifier */) { + return grammarErrorOnNode(node, ts.Diagnostics.unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name); + } + if (!ts.isVariableDeclarationInVariableStatement(decl)) { + return grammarErrorOnNode(node, ts.Diagnostics.unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement); + } + if (!(decl.parent.flags & 2 /* NodeFlags.Const */)) { + return grammarErrorOnNode(parent.name, ts.Diagnostics.A_variable_whose_type_is_a_unique_symbol_type_must_be_const); + } + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + if (!ts.isStatic(parent) || + !ts.hasEffectiveReadonlyModifier(parent)) { + return grammarErrorOnNode(parent.name, ts.Diagnostics.A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly); + } + break; + case 166 /* SyntaxKind.PropertySignature */: + if (!ts.hasSyntacticModifier(parent, 64 /* ModifierFlags.Readonly */)) { + return grammarErrorOnNode(parent.name, ts.Diagnostics.A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly); + } + break; + default: + return grammarErrorOnNode(node, ts.Diagnostics.unique_symbol_types_are_not_allowed_here); + } + } + else if (node.operator === 145 /* SyntaxKind.ReadonlyKeyword */) { + if (node.type.kind !== 183 /* SyntaxKind.ArrayType */ && node.type.kind !== 184 /* SyntaxKind.TupleType */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.readonly_type_modifier_is_only_permitted_on_array_and_tuple_literal_types, ts.tokenToString(151 /* SyntaxKind.SymbolKeyword */)); + } + } + } + function checkGrammarForInvalidDynamicName(node, message) { + if (isNonBindableDynamicName(node)) { + return grammarErrorOnNode(node, message); + } + } + function checkGrammarMethod(node) { + if (checkGrammarFunctionLikeDeclaration(node)) { + return true; + } + if (node.kind === 169 /* SyntaxKind.MethodDeclaration */) { + if (node.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + // We only disallow modifier on a method declaration if it is a property of object-literal-expression + if (node.modifiers && !(node.modifiers.length === 1 && ts.first(node.modifiers).kind === 131 /* SyntaxKind.AsyncKeyword */)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + else if (checkGrammarForInvalidQuestionMark(node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) { + return true; + } + else if (checkGrammarForInvalidExclamationToken(node.exclamationToken, ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(node, node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + } + if (checkGrammarForGenerator(node)) { + return true; + } + } + if (ts.isClassLike(node.parent)) { + if (languageVersion < 2 /* ScriptTarget.ES2015 */ && ts.isPrivateIdentifier(node.name)) { + return grammarErrorOnNode(node.name, ts.Diagnostics.Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher); + } + // Technically, computed properties in ambient contexts is disallowed + // for property declarations and accessors too, not just methods. + // However, property declarations disallow computed names in general, + // and accessors are not allowed in ambient contexts in general, + // so this error only really matters for methods. + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type); + } + else if (node.kind === 169 /* SyntaxKind.MethodDeclaration */ && !node.body) { + return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type); + } + } + else if (node.parent.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type); + } + else if (node.parent.kind === 182 /* SyntaxKind.TypeLiteral */) { + return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type); + } + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLikeOrClassStaticBlockDeclaration(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 250 /* SyntaxKind.LabeledStatement */: + if (node.label && current.label.escapedText === node.label.escapedText) { + // found matching label - verify that label usage is correct + // continue can only target labels that are on iteration statements + var isMisplacedContinueLabel = node.kind === 245 /* SyntaxKind.ContinueStatement */ + && !ts.isIterationStatement(current.statement, /*lookInLabeledStatement*/ true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 249 /* SyntaxKind.SwitchStatement */: + if (node.kind === 246 /* SyntaxKind.BreakStatement */ && !node.label) { + // unlabeled break within switch statement - ok + return false; + } + break; + default: + if (ts.isIterationStatement(current, /*lookInLabeledStatement*/ false) && !node.label) { + // unlabeled break or continue within iteration statement - ok + return false; + } + break; + } + current = current.parent; + } + if (node.label) { + var message = node.kind === 246 /* SyntaxKind.BreakStatement */ + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + else { + var message = node.kind === 246 /* SyntaxKind.BreakStatement */ + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + } + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.last(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern); + } + checkGrammarForDisallowedTrailingComma(elements, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma); + if (node.propertyName) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_have_a_property_name); + } + } + if (node.dotDotDotToken && node.initializer) { + // Error on equals token which immediately precedes the initializer + return grammarErrorAtPos(node, node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } + function isStringOrNumberLiteralExpression(expr) { + return ts.isStringOrNumericLiteralLike(expr) || + expr.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ && expr.operator === 40 /* SyntaxKind.MinusToken */ && + expr.operand.kind === 8 /* SyntaxKind.NumericLiteral */; + } + function isBigIntLiteralExpression(expr) { + return expr.kind === 9 /* SyntaxKind.BigIntLiteral */ || + expr.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ && expr.operator === 40 /* SyntaxKind.MinusToken */ && + expr.operand.kind === 9 /* SyntaxKind.BigIntLiteral */; + } + function isSimpleLiteralEnumReference(expr) { + if ((ts.isPropertyAccessExpression(expr) || (ts.isElementAccessExpression(expr) && isStringOrNumberLiteralExpression(expr.argumentExpression))) && + ts.isEntityNameExpression(expr.expression)) { + return !!(checkExpressionCached(expr).flags & 1024 /* TypeFlags.EnumLiteral */); + } + } + function checkAmbientInitializer(node) { + var initializer = node.initializer; + if (initializer) { + var isInvalidInitializer = !(isStringOrNumberLiteralExpression(initializer) || + isSimpleLiteralEnumReference(initializer) || + initializer.kind === 110 /* SyntaxKind.TrueKeyword */ || initializer.kind === 95 /* SyntaxKind.FalseKeyword */ || + isBigIntLiteralExpression(initializer)); + var isConstOrReadonly = ts.isDeclarationReadonly(node) || ts.isVariableDeclaration(node) && ts.isVarConst(node); + if (isConstOrReadonly && !node.type) { + if (isInvalidInitializer) { + return grammarErrorOnNode(initializer, ts.Diagnostics.A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_or_literal_enum_reference); + } + } + else { + return grammarErrorOnNode(initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + if (!isConstOrReadonly || isInvalidInitializer) { + return grammarErrorOnNode(initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + } + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 243 /* SyntaxKind.ForInStatement */ && node.parent.parent.kind !== 244 /* SyntaxKind.ForOfStatement */) { + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + checkAmbientInitializer(node); + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isVarConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + if (node.exclamationToken && (node.parent.parent.kind !== 237 /* SyntaxKind.VariableStatement */ || !node.type || node.initializer || node.flags & 16777216 /* NodeFlags.Ambient */)) { + var message = node.initializer + ? ts.Diagnostics.Declarations_with_initializers_cannot_also_have_definite_assignment_assertions + : !node.type + ? ts.Diagnostics.Declarations_with_definite_assignment_assertions_must_also_have_type_annotations + : ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context; + return grammarErrorOnNode(node.exclamationToken, message); + } + if ((moduleKind < ts.ModuleKind.ES2015 || ts.getSourceFileOfNode(node).impliedNodeFormat === ts.ModuleKind.CommonJS) && moduleKind !== ts.ModuleKind.System && + !(node.parent.parent.flags & 16777216 /* NodeFlags.Ambient */) && ts.hasSyntacticModifier(node.parent.parent, 1 /* ModifierFlags.Export */)) { + checkESModuleMarker(node.name); + } + var checkLetConstNames = (ts.isLet(node) || ts.isVarConst(node)); + // 1. LexicalDeclaration : LetOrConst BindingList ; + // It is a Syntax Error if the BoundNames of BindingList contains "let". + // 2. ForDeclaration: ForDeclaration : LetOrConst ForBinding + // It is a Syntax Error if the BoundNames of ForDeclaration contains "let". + // It is a SyntaxError if a VariableDeclaration or VariableDeclarationNoIn occurs within strict code + // and its Identifier is eval or arguments + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); + } + function checkESModuleMarker(name) { + if (name.kind === 79 /* SyntaxKind.Identifier */) { + if (ts.idText(name) === "__esModule") { + return grammarErrorOnNodeSkippedOn("noEmit", name, ts.Diagnostics.Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (!ts.isOmittedExpression(element)) { + return checkESModuleMarker(element.name); + } + } + } + return false; + } + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 79 /* SyntaxKind.Identifier */) { + if (name.originalKeywordKind === 119 /* SyntaxKind.LetKeyword */) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_3 = elements; _i < elements_3.length; _i++) { + var element = elements_3[_i]; + if (!ts.isOmittedExpression(element)) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } + return false; + } + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(declarationList, declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } + return false; + } + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 239 /* SyntaxKind.IfStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 248 /* SyntaxKind.WithStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + return false; + case 250 /* SyntaxKind.LabeledStatement */: + return allowLetAndConstDeclarations(parent.parent); + } + return true; + } + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isVarConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } + } + function checkGrammarMetaProperty(node) { + var escapedText = node.name.escapedText; + switch (node.keywordToken) { + case 103 /* SyntaxKind.NewKeyword */: + if (escapedText !== "target") { + return grammarErrorOnNode(node.name, ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2, node.name.escapedText, ts.tokenToString(node.keywordToken), "target"); + } + break; + case 100 /* SyntaxKind.ImportKeyword */: + if (escapedText !== "meta") { + return grammarErrorOnNode(node.name, ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2, node.name.escapedText, ts.tokenToString(node.keywordToken), "meta"); + } + break; + } + } + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; + } + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); + return true; + } + return false; + } + function grammarErrorAtPos(nodeForSourceFile, start, length, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(nodeForSourceFile); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } + return false; + } + function grammarErrorOnNodeSkippedOn(key, node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + errorSkippedOn(key, node, message, arg0, arg1, arg2); + return true; + } + return false; + } + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } + return false; + } + function checkGrammarConstructorTypeParameters(node) { + var jsdocTypeParameters = ts.isInJSFile(node) ? ts.getJSDocTypeParameterDeclarations(node) : undefined; + var range = node.typeParameters || jsdocTypeParameters && ts.firstOrUndefined(jsdocTypeParameters); + if (range) { + var pos = range.pos === range.end ? range.pos : ts.skipTrivia(ts.getSourceFileOfNode(node).text, range.pos); + return grammarErrorAtPos(node, pos, range.end - pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarConstructorTypeAnnotation(node) { + var type = ts.getEffectiveReturnTypeNode(node); + if (type) { + return grammarErrorOnNode(type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarProperty(node) { + if (ts.isComputedPropertyName(node.name) && ts.isBinaryExpression(node.name.expression) && node.name.expression.operatorToken.kind === 101 /* SyntaxKind.InKeyword */) { + return grammarErrorOnNode(node.parent.members[0], ts.Diagnostics.A_mapped_type_may_not_declare_properties_or_methods); + } + if (ts.isClassLike(node.parent)) { + if (ts.isStringLiteral(node.name) && node.name.text === "constructor") { + return grammarErrorOnNode(node.name, ts.Diagnostics.Classes_may_not_have_a_field_named_constructor); + } + if (checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_have_a_simple_literal_type_or_a_unique_symbol_type)) { + return true; + } + if (languageVersion < 2 /* ScriptTarget.ES2015 */ && ts.isPrivateIdentifier(node.name)) { + return grammarErrorOnNode(node.name, ts.Diagnostics.Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher); + } + } + else if (node.parent.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + if (checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (ts.isTypeLiteralNode(node.parent)) { + if (checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + } + } + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + checkAmbientInitializer(node); + } + if (ts.isPropertyDeclaration(node) && node.exclamationToken && (!ts.isClassLike(node.parent) || !node.type || node.initializer || + node.flags & 16777216 /* NodeFlags.Ambient */ || ts.isStatic(node) || ts.hasAbstractModifier(node))) { + var message = node.initializer + ? ts.Diagnostics.Declarations_with_initializers_cannot_also_have_definite_assignment_assertions + : !node.type + ? ts.Diagnostics.Declarations_with_definite_assignment_assertions_must_also_have_type_annotations + : ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context; + return grammarErrorOnNode(node.exclamationToken, message); + } + } + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + // A declare modifier is required for any top level .d.ts declaration except export=, export default, export as namespace + // interfaces and imports categories: + // + // DeclarationElement: + // ExportAssignment + // export_opt InterfaceDeclaration + // export_opt TypeAliasDeclaration + // export_opt ImportDeclaration + // export_opt ExternalImportDeclaration + // export_opt AmbientDeclaration + // + // TODO: The spec needs to be amended to reflect this grammar. + if (node.kind === 258 /* SyntaxKind.InterfaceDeclaration */ || + node.kind === 259 /* SyntaxKind.TypeAliasDeclaration */ || + node.kind === 266 /* SyntaxKind.ImportDeclaration */ || + node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ || + node.kind === 272 /* SyntaxKind.ExportDeclaration */ || + node.kind === 271 /* SyntaxKind.ExportAssignment */ || + node.kind === 264 /* SyntaxKind.NamespaceExportDeclaration */ || + ts.hasSyntacticModifier(node, 2 /* ModifierFlags.Ambient */ | 1 /* ModifierFlags.Export */ | 512 /* ModifierFlags.Default */)) { + return false; + } + return grammarErrorOnFirstToken(node, ts.Diagnostics.Top_level_declarations_in_d_ts_files_must_start_with_either_a_declare_or_export_modifier); + } + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 237 /* SyntaxKind.VariableStatement */) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } + } + return false; + } + function checkGrammarSourceFile(node) { + return !!(node.flags & 16777216 /* NodeFlags.Ambient */) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + } + function checkGrammarStatementInAmbientContext(node) { + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + // Find containing block which is either Block, ModuleBlock, SourceFile + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && (ts.isFunctionLike(node.parent) || ts.isAccessor(node.parent))) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + // We are either parented by another statement, or some sort of block. + // If we're in a block, we only want to really report an error once + // to prevent noisiness. So use a bit on the block to indicate if + // this has already been reported, and don't report if it has. + // + if (node.parent.kind === 235 /* SyntaxKind.Block */ || node.parent.kind === 262 /* SyntaxKind.ModuleBlock */ || node.parent.kind === 305 /* SyntaxKind.SourceFile */) { + var links_2 = getNodeLinks(node.parent); + // Check if the containing block ever report this error + if (!links_2.hasReportedStatementInAmbientContext) { + return links_2.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + // We must be parented by a statement. If so, there's no need + // to report the error as our parent will have already done it. + // Debug.assert(isStatement(node.parent)); + } + } + return false; + } + function checkGrammarNumericLiteral(node) { + // Grammar checking + if (node.numericLiteralFlags & 32 /* TokenFlags.Octal */) { + var diagnosticMessage = void 0; + if (languageVersion >= 1 /* ScriptTarget.ES5 */) { + diagnosticMessage = ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0; + } + else if (ts.isChildOfNodeWithKind(node, 196 /* SyntaxKind.LiteralType */)) { + diagnosticMessage = ts.Diagnostics.Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0; + } + else if (ts.isChildOfNodeWithKind(node, 299 /* SyntaxKind.EnumMember */)) { + diagnosticMessage = ts.Diagnostics.Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0; + } + if (diagnosticMessage) { + var withMinus = ts.isPrefixUnaryExpression(node.parent) && node.parent.operator === 40 /* SyntaxKind.MinusToken */; + var literal = (withMinus ? "-" : "") + "0o" + node.text; + return grammarErrorOnNode(withMinus ? node.parent : node, diagnosticMessage, literal); + } + } + // Realism (size) checking + checkNumericLiteralValueSize(node); + return false; + } + function checkNumericLiteralValueSize(node) { + // We should test against `getTextOfNode(node)` rather than `node.text`, because `node.text` for large numeric literals can contain "." + // e.g. `node.text` for numeric literal `1100000000000000000000` is `1.1e21`. + var isFractional = ts.getTextOfNode(node).indexOf(".") !== -1; + var isScientific = node.numericLiteralFlags & 16 /* TokenFlags.Scientific */; + // Scientific notation (e.g. 2e54 and 1e00000000010) can't be converted to bigint + // Fractional numbers (e.g. 9000000000000000.001) are inherently imprecise anyway + if (isFractional || isScientific) { + return; + } + // Here `node` is guaranteed to be a numeric literal representing an integer. + // We need to judge whether the integer `node` represents is <= 2 ** 53 - 1, which can be accomplished by comparing to `value` defined below because: + // 1) when `node` represents an integer <= 2 ** 53 - 1, `node.text` is its exact string representation and thus `value` precisely represents the integer. + // 2) otherwise, although `node.text` may be imprecise string representation, its mathematical value and consequently `value` cannot be less than 2 ** 53, + // thus the result of the predicate won't be affected. + var value = +node.text; + if (value <= Math.pow(2, 53) - 1) { + return; + } + addErrorOrSuggestion(/*isError*/ false, ts.createDiagnosticForNode(node, ts.Diagnostics.Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accurately_as_integers)); + } + function checkGrammarBigIntLiteral(node) { + var literalType = ts.isLiteralTypeNode(node.parent) || + ts.isPrefixUnaryExpression(node.parent) && ts.isLiteralTypeNode(node.parent.parent); + if (!literalType) { + if (languageVersion < 7 /* ScriptTarget.ES2020 */) { + if (grammarErrorOnNode(node, ts.Diagnostics.BigInt_literals_are_not_available_when_targeting_lower_than_ES2020)) { + return true; + } + } + } + return false; + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), /*length*/ 0, message, arg0, arg1, arg2)); + return true; + } + return false; + } + function getAmbientModules() { + if (!ambientModulesCache) { + ambientModulesCache = []; + globals.forEach(function (global, sym) { + // No need to `unescapeLeadingUnderscores`, an escaped symbol is never an ambient module. + if (ambientModuleSymbolRegex.test(sym)) { + ambientModulesCache.push(global); + } + }); + } + return ambientModulesCache; + } + function checkGrammarImportClause(node) { + var _a; + if (node.isTypeOnly && node.name && node.namedBindings) { + return grammarErrorOnNode(node, ts.Diagnostics.A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both); + } + if (node.isTypeOnly && ((_a = node.namedBindings) === null || _a === void 0 ? void 0 : _a.kind) === 269 /* SyntaxKind.NamedImports */) { + return checkGrammarNamedImportsOrExports(node.namedBindings); + } + return false; + } + function checkGrammarNamedImportsOrExports(namedBindings) { + return !!ts.forEach(namedBindings.elements, function (specifier) { + if (specifier.isTypeOnly) { + return grammarErrorOnFirstToken(specifier, specifier.kind === 270 /* SyntaxKind.ImportSpecifier */ + ? ts.Diagnostics.The_type_modifier_cannot_be_used_on_a_named_import_when_import_type_is_used_on_its_import_statement + : ts.Diagnostics.The_type_modifier_cannot_be_used_on_a_named_export_when_export_type_is_used_on_its_export_statement); + } + }); + } + function checkGrammarImportCallExpression(node) { + if (moduleKind === ts.ModuleKind.ES2015) { + return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_es2022_esnext_commonjs_amd_system_umd_node16_or_nodenext); + } + if (node.typeArguments) { + return grammarErrorOnNode(node, ts.Diagnostics.This_use_of_import_is_invalid_import_calls_can_be_written_but_they_must_have_parentheses_and_cannot_have_type_arguments); + } + var nodeArguments = node.arguments; + if (moduleKind !== ts.ModuleKind.ESNext && moduleKind !== ts.ModuleKind.NodeNext) { + // We are allowed trailing comma after proposal-import-assertions. + checkGrammarForDisallowedTrailingComma(nodeArguments); + if (nodeArguments.length > 1) { + var assertionArgument = nodeArguments[1]; + return grammarErrorOnNode(assertionArgument, ts.Diagnostics.Dynamic_imports_only_support_a_second_argument_when_the_module_option_is_set_to_esnext_node16_or_nodenext); + } + } + if (nodeArguments.length === 0 || nodeArguments.length > 2) { + return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_imports_can_only_accept_a_module_specifier_and_an_optional_assertion_as_arguments); + } + // see: parseArgumentOrArrayLiteralElement...we use this function which parse arguments of callExpression to parse specifier for dynamic import. + // parseArgumentOrArrayLiteralElement allows spread element to be in an argument list which is not allowed as specifier in dynamic import. + var spreadElement = ts.find(nodeArguments, ts.isSpreadElement); + if (spreadElement) { + return grammarErrorOnNode(spreadElement, ts.Diagnostics.Argument_of_dynamic_import_cannot_be_spread_element); + } + return false; + } + function findMatchingTypeReferenceOrTypeAliasReference(source, unionTarget) { + var sourceObjectFlags = ts.getObjectFlags(source); + if (sourceObjectFlags & (4 /* ObjectFlags.Reference */ | 16 /* ObjectFlags.Anonymous */) && unionTarget.flags & 1048576 /* TypeFlags.Union */) { + return ts.find(unionTarget.types, function (target) { + if (target.flags & 524288 /* TypeFlags.Object */) { + var overlapObjFlags = sourceObjectFlags & ts.getObjectFlags(target); + if (overlapObjFlags & 4 /* ObjectFlags.Reference */) { + return source.target === target.target; + } + if (overlapObjFlags & 16 /* ObjectFlags.Anonymous */) { + return !!source.aliasSymbol && source.aliasSymbol === target.aliasSymbol; + } + } + return false; + }); + } + } + function findBestTypeForObjectLiteral(source, unionTarget) { + if (ts.getObjectFlags(source) & 128 /* ObjectFlags.ObjectLiteral */ && someType(unionTarget, isArrayLikeType)) { + return ts.find(unionTarget.types, function (t) { return !isArrayLikeType(t); }); + } + } + function findBestTypeForInvokable(source, unionTarget) { + var signatureKind = 0 /* SignatureKind.Call */; + var hasSignatures = getSignaturesOfType(source, signatureKind).length > 0 || + (signatureKind = 1 /* SignatureKind.Construct */, getSignaturesOfType(source, signatureKind).length > 0); + if (hasSignatures) { + return ts.find(unionTarget.types, function (t) { return getSignaturesOfType(t, signatureKind).length > 0; }); + } + } + function findMostOverlappyType(source, unionTarget) { + var bestMatch; + if (!(source.flags & (131068 /* TypeFlags.Primitive */ | 406847488 /* TypeFlags.InstantiablePrimitive */))) { + var matchingCount = 0; + for (var _i = 0, _a = unionTarget.types; _i < _a.length; _i++) { + var target = _a[_i]; + if (!(target.flags & (131068 /* TypeFlags.Primitive */ | 406847488 /* TypeFlags.InstantiablePrimitive */))) { + var overlap = getIntersectionType([getIndexType(source), getIndexType(target)]); + if (overlap.flags & 4194304 /* TypeFlags.Index */) { + // perfect overlap of keys + return target; + } + else if (isUnitType(overlap) || overlap.flags & 1048576 /* TypeFlags.Union */) { + // We only want to account for literal types otherwise. + // If we have a union of index types, it seems likely that we + // needed to elaborate between two generic mapped types anyway. + var len = overlap.flags & 1048576 /* TypeFlags.Union */ ? ts.countWhere(overlap.types, isUnitType) : 1; + if (len >= matchingCount) { + bestMatch = target; + matchingCount = len; + } + } + } + } + } + return bestMatch; + } + function filterPrimitivesIfContainsNonPrimitive(type) { + if (maybeTypeOfKind(type, 67108864 /* TypeFlags.NonPrimitive */)) { + var result = filterType(type, function (t) { return !(t.flags & 131068 /* TypeFlags.Primitive */); }); + if (!(result.flags & 131072 /* TypeFlags.Never */)) { + return result; + } + } + return type; + } + // Keep this up-to-date with the same logic within `getApparentTypeOfContextualType`, since they should behave similarly + function findMatchingDiscriminantType(source, target, isRelatedTo, skipPartial) { + if (target.flags & 1048576 /* TypeFlags.Union */ && source.flags & (2097152 /* TypeFlags.Intersection */ | 524288 /* TypeFlags.Object */)) { + var match = getMatchingUnionConstituentForType(target, source); + if (match) { + return match; + } + var sourceProperties = getPropertiesOfType(source); + if (sourceProperties) { + var sourcePropertiesFiltered = findDiscriminantProperties(sourceProperties, target); + if (sourcePropertiesFiltered) { + return discriminateTypeByDiscriminableItems(target, ts.map(sourcePropertiesFiltered, function (p) { return [function () { return getTypeOfSymbol(p); }, p.escapedName]; }), isRelatedTo, /*defaultValue*/ undefined, skipPartial); + } + } + } + return undefined; + } + } + ts.createTypeChecker = createTypeChecker; + function isNotAccessor(declaration) { + // Accessors check for their own matching duplicates, and in contexts where they are valid, there are already duplicate identifier checks + return !ts.isAccessor(declaration); + } + function isNotOverload(declaration) { + return (declaration.kind !== 256 /* SyntaxKind.FunctionDeclaration */ && declaration.kind !== 169 /* SyntaxKind.MethodDeclaration */) || + !!declaration.body; + } + /** Like 'isDeclarationName', but returns true for LHS of `import { x as y }` or `export { x as y }`. */ + function isDeclarationNameOrImportPropertyName(name) { + switch (name.parent.kind) { + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: + return ts.isIdentifier(name); + default: + return ts.isDeclarationName(name); + } + } + var JsxNames; + (function (JsxNames) { + JsxNames.JSX = "JSX"; + JsxNames.IntrinsicElements = "IntrinsicElements"; + JsxNames.ElementClass = "ElementClass"; + JsxNames.ElementAttributesPropertyNameContainer = "ElementAttributesProperty"; // TODO: Deprecate and remove support + JsxNames.ElementChildrenAttributeNameContainer = "ElementChildrenAttribute"; + JsxNames.Element = "Element"; + JsxNames.IntrinsicAttributes = "IntrinsicAttributes"; + JsxNames.IntrinsicClassAttributes = "IntrinsicClassAttributes"; + JsxNames.LibraryManagedAttributes = "LibraryManagedAttributes"; + })(JsxNames || (JsxNames = {})); + function getIterationTypesKeyFromIterationTypeKind(typeKind) { + switch (typeKind) { + case 0 /* IterationTypeKind.Yield */: return "yieldType"; + case 1 /* IterationTypeKind.Return */: return "returnType"; + case 2 /* IterationTypeKind.Next */: return "nextType"; + } + } + function signatureHasRestParameter(s) { + return !!(s.flags & 1 /* SignatureFlags.HasRestParameter */); + } + ts.signatureHasRestParameter = signatureHasRestParameter; + function signatureHasLiteralTypes(s) { + return !!(s.flags & 2 /* SignatureFlags.HasLiteralTypes */); + } + ts.signatureHasLiteralTypes = signatureHasLiteralTypes; +})(ts || (ts = {})); +var ts; +(function (ts) { + function visitNode(node, visitor, test, lift) { + if (node === undefined || visitor === undefined) { + return node; + } + var visited = visitor(node); + if (visited === node) { + return node; + } + var visitedNode; + if (visited === undefined) { + return undefined; + } + else if (ts.isArray(visited)) { + visitedNode = (lift || extractSingleNode)(visited); + } + else { + visitedNode = visited; + } + ts.Debug.assertNode(visitedNode, test); + return visitedNode; + } + ts.visitNode = visitNode; + /** + * Visits a NodeArray using the supplied visitor, possibly returning a new NodeArray in its place. + * + * @param nodes The NodeArray to visit. + * @param visitor The callback used to visit a Node. + * @param test A node test to execute for each node. + * @param start An optional value indicating the starting offset at which to start visiting. + * @param count An optional value indicating the maximum number of nodes to visit. + */ + function visitNodes(nodes, visitor, test, start, count) { + if (nodes === undefined || visitor === undefined) { + return nodes; + } + var updated; + // Ensure start and count have valid values + var length = nodes.length; + if (start === undefined || start < 0) { + start = 0; + } + if (count === undefined || count > length - start) { + count = length - start; + } + var hasTrailingComma; + var pos = -1; + var end = -1; + if (start > 0 || count < length) { + // If we are not visiting all of the original nodes, we must always create a new array. + // Since this is a fragment of a node array, we do not copy over the previous location + // and will only copy over `hasTrailingComma` if we are including the last element. + updated = []; + hasTrailingComma = nodes.hasTrailingComma && start + count === length; + } + // Visit each original node. + for (var i = 0; i < count; i++) { + var node = nodes[i + start]; + var visited = node !== undefined ? visitor(node) : undefined; + if (updated !== undefined || visited === undefined || visited !== node) { + if (updated === undefined) { + // Ensure we have a copy of `nodes`, up to the current index. + updated = nodes.slice(0, i); + hasTrailingComma = nodes.hasTrailingComma; + pos = nodes.pos; + end = nodes.end; + } + if (visited) { + if (ts.isArray(visited)) { + for (var _i = 0, visited_1 = visited; _i < visited_1.length; _i++) { + var visitedNode = visited_1[_i]; + void ts.Debug.assertNode(visitedNode, test); + updated.push(visitedNode); + } + } + else { + void ts.Debug.assertNode(visited, test); + updated.push(visited); + } + } + } + } + if (updated) { + // TODO(rbuckton): Remove dependency on `ts.factory` in favor of a provided factory. + var updatedArray = ts.factory.createNodeArray(updated, hasTrailingComma); + ts.setTextRangePosEnd(updatedArray, pos, end); + return updatedArray; + } + return nodes; + } + ts.visitNodes = visitNodes; + /** + * Starts a new lexical environment and visits a statement list, ending the lexical environment + * and merging hoisted declarations upon completion. + */ + function visitLexicalEnvironment(statements, visitor, context, start, ensureUseStrict, nodesVisitor) { + if (nodesVisitor === void 0) { nodesVisitor = visitNodes; } + context.startLexicalEnvironment(); + statements = nodesVisitor(statements, visitor, ts.isStatement, start); + if (ensureUseStrict) + statements = context.factory.ensureUseStrict(statements); + return ts.factory.mergeLexicalEnvironment(statements, context.endLexicalEnvironment()); + } + ts.visitLexicalEnvironment = visitLexicalEnvironment; + function visitParameterList(nodes, visitor, context, nodesVisitor) { + if (nodesVisitor === void 0) { nodesVisitor = visitNodes; } + var updated; + context.startLexicalEnvironment(); + if (nodes) { + context.setLexicalEnvironmentFlags(1 /* LexicalEnvironmentFlags.InParameters */, true); + updated = nodesVisitor(nodes, visitor, ts.isParameterDeclaration); + // As of ES2015, any runtime execution of that occurs in for a parameter (such as evaluating an + // initializer or a binding pattern), occurs in its own lexical scope. As a result, any expression + // that we might transform that introduces a temporary variable would fail as the temporary variable + // exists in a different lexical scope. To address this, we move any binding patterns and initializers + // in a parameter list to the body if we detect a variable being hoisted while visiting a parameter list + // when the emit target is greater than ES2015. + if (context.getLexicalEnvironmentFlags() & 2 /* LexicalEnvironmentFlags.VariablesHoistedInParameters */ && + ts.getEmitScriptTarget(context.getCompilerOptions()) >= 2 /* ScriptTarget.ES2015 */) { + updated = addDefaultValueAssignmentsIfNeeded(updated, context); + } + context.setLexicalEnvironmentFlags(1 /* LexicalEnvironmentFlags.InParameters */, false); + } + context.suspendLexicalEnvironment(); + return updated; + } + ts.visitParameterList = visitParameterList; + function addDefaultValueAssignmentsIfNeeded(parameters, context) { + var result; + for (var i = 0; i < parameters.length; i++) { + var parameter = parameters[i]; + var updated = addDefaultValueAssignmentIfNeeded(parameter, context); + if (result || updated !== parameter) { + if (!result) + result = parameters.slice(0, i); + result[i] = updated; + } + } + if (result) { + return ts.setTextRange(context.factory.createNodeArray(result, parameters.hasTrailingComma), parameters); + } + return parameters; + } + function addDefaultValueAssignmentIfNeeded(parameter, context) { + // A rest parameter cannot have a binding pattern or an initializer, + // so let's just ignore it. + return parameter.dotDotDotToken ? parameter : + ts.isBindingPattern(parameter.name) ? addDefaultValueAssignmentForBindingPattern(parameter, context) : + parameter.initializer ? addDefaultValueAssignmentForInitializer(parameter, parameter.name, parameter.initializer, context) : + parameter; + } + function addDefaultValueAssignmentForBindingPattern(parameter, context) { + var factory = context.factory; + context.addInitializationStatement(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(parameter.name, + /*exclamationToken*/ undefined, parameter.type, parameter.initializer ? + factory.createConditionalExpression(factory.createStrictEquality(factory.getGeneratedNameForNode(parameter), factory.createVoidZero()), + /*questionToken*/ undefined, parameter.initializer, + /*colonToken*/ undefined, factory.getGeneratedNameForNode(parameter)) : + factory.getGeneratedNameForNode(parameter)), + ]))); + return factory.updateParameterDeclaration(parameter, parameter.decorators, parameter.modifiers, parameter.dotDotDotToken, factory.getGeneratedNameForNode(parameter), parameter.questionToken, parameter.type, + /*initializer*/ undefined); + } + function addDefaultValueAssignmentForInitializer(parameter, name, initializer, context) { + var factory = context.factory; + context.addInitializationStatement(factory.createIfStatement(factory.createTypeCheck(factory.cloneNode(name), "undefined"), ts.setEmitFlags(ts.setTextRange(factory.createBlock([ + factory.createExpressionStatement(ts.setEmitFlags(ts.setTextRange(factory.createAssignment(ts.setEmitFlags(factory.cloneNode(name), 48 /* EmitFlags.NoSourceMap */), ts.setEmitFlags(initializer, 48 /* EmitFlags.NoSourceMap */ | ts.getEmitFlags(initializer) | 1536 /* EmitFlags.NoComments */)), parameter), 1536 /* EmitFlags.NoComments */)) + ]), parameter), 1 /* EmitFlags.SingleLine */ | 32 /* EmitFlags.NoTrailingSourceMap */ | 384 /* EmitFlags.NoTokenSourceMaps */ | 1536 /* EmitFlags.NoComments */))); + return factory.updateParameterDeclaration(parameter, parameter.decorators, parameter.modifiers, parameter.dotDotDotToken, parameter.name, parameter.questionToken, parameter.type, + /*initializer*/ undefined); + } + function visitFunctionBody(node, visitor, context, nodeVisitor) { + if (nodeVisitor === void 0) { nodeVisitor = visitNode; } + context.resumeLexicalEnvironment(); + var updated = nodeVisitor(node, visitor, ts.isConciseBody); + var declarations = context.endLexicalEnvironment(); + if (ts.some(declarations)) { + if (!updated) { + return context.factory.createBlock(declarations); + } + var block = context.factory.converters.convertToFunctionBlock(updated); + var statements = ts.factory.mergeLexicalEnvironment(block.statements, declarations); + return context.factory.updateBlock(block, statements); + } + return updated; + } + ts.visitFunctionBody = visitFunctionBody; + /** + * Visits an iteration body, adding any block-scoped variables required by the transformation. + */ + function visitIterationBody(body, visitor, context) { + context.startBlockScope(); + var updated = visitNode(body, visitor, ts.isStatement, context.factory.liftToBlock); + var declarations = context.endBlockScope(); + if (ts.some(declarations)) { + if (ts.isBlock(updated)) { + declarations.push.apply(declarations, updated.statements); + return context.factory.updateBlock(updated, declarations); + } + declarations.push(updated); + return context.factory.createBlock(declarations); + } + return updated; + } + ts.visitIterationBody = visitIterationBody; + function visitEachChild(node, visitor, context, nodesVisitor, tokenVisitor, nodeVisitor) { + if (nodesVisitor === void 0) { nodesVisitor = visitNodes; } + if (nodeVisitor === void 0) { nodeVisitor = visitNode; } + if (node === undefined) { + return undefined; + } + var kind = node.kind; + // No need to visit nodes with no children. + if ((kind > 0 /* SyntaxKind.FirstToken */ && kind <= 160 /* SyntaxKind.LastToken */) || kind === 192 /* SyntaxKind.ThisType */) { + return node; + } + var factory = context.factory; + switch (kind) { + // Names + case 79 /* SyntaxKind.Identifier */: + ts.Debug.type(node); + return factory.updateIdentifier(node, nodesVisitor(node.typeArguments, visitor, ts.isTypeNodeOrTypeParameterDeclaration)); + case 161 /* SyntaxKind.QualifiedName */: + ts.Debug.type(node); + return factory.updateQualifiedName(node, nodeVisitor(node.left, visitor, ts.isEntityName), nodeVisitor(node.right, visitor, ts.isIdentifier)); + case 162 /* SyntaxKind.ComputedPropertyName */: + ts.Debug.type(node); + return factory.updateComputedPropertyName(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + // Signature elements + case 163 /* SyntaxKind.TypeParameter */: + ts.Debug.type(node); + return factory.updateTypeParameterDeclaration(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isIdentifier), nodeVisitor(node.constraint, visitor, ts.isTypeNode), nodeVisitor(node.default, visitor, ts.isTypeNode)); + case 164 /* SyntaxKind.Parameter */: + ts.Debug.type(node); + return factory.updateParameterDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.dotDotDotToken, tokenVisitor, ts.isDotDotDotToken), nodeVisitor(node.name, visitor, ts.isBindingName), nodeVisitor(node.questionToken, tokenVisitor, ts.isQuestionToken), nodeVisitor(node.type, visitor, ts.isTypeNode), nodeVisitor(node.initializer, visitor, ts.isExpression)); + case 165 /* SyntaxKind.Decorator */: + ts.Debug.type(node); + return factory.updateDecorator(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + // Type elements + case 166 /* SyntaxKind.PropertySignature */: + ts.Debug.type(node); + return factory.updatePropertySignature(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isPropertyName), nodeVisitor(node.questionToken, tokenVisitor, ts.isToken), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 167 /* SyntaxKind.PropertyDeclaration */: + ts.Debug.type(node); + return factory.updatePropertyDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isPropertyName), + // QuestionToken and ExclamationToken is uniqued in Property Declaration and the signature of 'updateProperty' is that too + nodeVisitor(node.questionToken || node.exclamationToken, tokenVisitor, ts.isQuestionOrExclamationToken), nodeVisitor(node.type, visitor, ts.isTypeNode), nodeVisitor(node.initializer, visitor, ts.isExpression)); + case 168 /* SyntaxKind.MethodSignature */: + ts.Debug.type(node); + return factory.updateMethodSignature(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isPropertyName), nodeVisitor(node.questionToken, tokenVisitor, ts.isQuestionToken), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 169 /* SyntaxKind.MethodDeclaration */: + ts.Debug.type(node); + return factory.updateMethodDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.asteriskToken, tokenVisitor, ts.isAsteriskToken), nodeVisitor(node.name, visitor, ts.isPropertyName), nodeVisitor(node.questionToken, tokenVisitor, ts.isQuestionToken), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), nodeVisitor(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 171 /* SyntaxKind.Constructor */: + ts.Debug.type(node); + return factory.updateConstructorDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 172 /* SyntaxKind.GetAccessor */: + ts.Debug.type(node); + return factory.updateGetAccessorDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isPropertyName), visitParameterList(node.parameters, visitor, context, nodesVisitor), nodeVisitor(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 173 /* SyntaxKind.SetAccessor */: + ts.Debug.type(node); + return factory.updateSetAccessorDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isPropertyName), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + ts.Debug.type(node); + context.startLexicalEnvironment(); + context.suspendLexicalEnvironment(); + return factory.updateClassStaticBlockDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 174 /* SyntaxKind.CallSignature */: + ts.Debug.type(node); + return factory.updateCallSignature(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 175 /* SyntaxKind.ConstructSignature */: + ts.Debug.type(node); + return factory.updateConstructSignature(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 176 /* SyntaxKind.IndexSignature */: + ts.Debug.type(node); + return factory.updateIndexSignature(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + // Types + case 177 /* SyntaxKind.TypePredicate */: + ts.Debug.type(node); + return factory.updateTypePredicateNode(node, nodeVisitor(node.assertsModifier, visitor, ts.isAssertsKeyword), nodeVisitor(node.parameterName, visitor, ts.isIdentifierOrThisTypeNode), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 178 /* SyntaxKind.TypeReference */: + ts.Debug.type(node); + return factory.updateTypeReferenceNode(node, nodeVisitor(node.typeName, visitor, ts.isEntityName), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode)); + case 179 /* SyntaxKind.FunctionType */: + ts.Debug.type(node); + return factory.updateFunctionTypeNode(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 180 /* SyntaxKind.ConstructorType */: + ts.Debug.type(node); + return factory.updateConstructorTypeNode(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 181 /* SyntaxKind.TypeQuery */: + ts.Debug.type(node); + return factory.updateTypeQueryNode(node, nodeVisitor(node.exprName, visitor, ts.isEntityName), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode)); + case 182 /* SyntaxKind.TypeLiteral */: + ts.Debug.type(node); + return factory.updateTypeLiteralNode(node, nodesVisitor(node.members, visitor, ts.isTypeElement)); + case 183 /* SyntaxKind.ArrayType */: + ts.Debug.type(node); + return factory.updateArrayTypeNode(node, nodeVisitor(node.elementType, visitor, ts.isTypeNode)); + case 184 /* SyntaxKind.TupleType */: + ts.Debug.type(node); + return factory.updateTupleTypeNode(node, nodesVisitor(node.elements, visitor, ts.isTypeNode)); + case 185 /* SyntaxKind.OptionalType */: + ts.Debug.type(node); + return factory.updateOptionalTypeNode(node, nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 186 /* SyntaxKind.RestType */: + ts.Debug.type(node); + return factory.updateRestTypeNode(node, nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 187 /* SyntaxKind.UnionType */: + ts.Debug.type(node); + return factory.updateUnionTypeNode(node, nodesVisitor(node.types, visitor, ts.isTypeNode)); + case 188 /* SyntaxKind.IntersectionType */: + ts.Debug.type(node); + return factory.updateIntersectionTypeNode(node, nodesVisitor(node.types, visitor, ts.isTypeNode)); + case 189 /* SyntaxKind.ConditionalType */: + ts.Debug.type(node); + return factory.updateConditionalTypeNode(node, nodeVisitor(node.checkType, visitor, ts.isTypeNode), nodeVisitor(node.extendsType, visitor, ts.isTypeNode), nodeVisitor(node.trueType, visitor, ts.isTypeNode), nodeVisitor(node.falseType, visitor, ts.isTypeNode)); + case 190 /* SyntaxKind.InferType */: + ts.Debug.type(node); + return factory.updateInferTypeNode(node, nodeVisitor(node.typeParameter, visitor, ts.isTypeParameterDeclaration)); + case 200 /* SyntaxKind.ImportType */: + ts.Debug.type(node); + return factory.updateImportTypeNode(node, nodeVisitor(node.argument, visitor, ts.isTypeNode), nodeVisitor(node.assertions, visitor, ts.isNode), nodeVisitor(node.qualifier, visitor, ts.isEntityName), visitNodes(node.typeArguments, visitor, ts.isTypeNode), node.isTypeOf); + case 295 /* SyntaxKind.ImportTypeAssertionContainer */: + ts.Debug.type(node); + return factory.updateImportTypeAssertionContainer(node, nodeVisitor(node.assertClause, visitor, ts.isNode), node.multiLine); + case 197 /* SyntaxKind.NamedTupleMember */: + ts.Debug.type(node); + return factory.updateNamedTupleMember(node, visitNode(node.dotDotDotToken, visitor, ts.isDotDotDotToken), visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.questionToken, visitor, ts.isQuestionToken), visitNode(node.type, visitor, ts.isTypeNode)); + case 191 /* SyntaxKind.ParenthesizedType */: + ts.Debug.type(node); + return factory.updateParenthesizedType(node, nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 193 /* SyntaxKind.TypeOperator */: + ts.Debug.type(node); + return factory.updateTypeOperatorNode(node, nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 194 /* SyntaxKind.IndexedAccessType */: + ts.Debug.type(node); + return factory.updateIndexedAccessTypeNode(node, nodeVisitor(node.objectType, visitor, ts.isTypeNode), nodeVisitor(node.indexType, visitor, ts.isTypeNode)); + case 195 /* SyntaxKind.MappedType */: + ts.Debug.type(node); + return factory.updateMappedTypeNode(node, nodeVisitor(node.readonlyToken, tokenVisitor, ts.isReadonlyKeywordOrPlusOrMinusToken), nodeVisitor(node.typeParameter, visitor, ts.isTypeParameterDeclaration), nodeVisitor(node.nameType, visitor, ts.isTypeNode), nodeVisitor(node.questionToken, tokenVisitor, ts.isQuestionOrPlusOrMinusToken), nodeVisitor(node.type, visitor, ts.isTypeNode), nodesVisitor(node.members, visitor, ts.isTypeElement)); + case 196 /* SyntaxKind.LiteralType */: + ts.Debug.type(node); + return factory.updateLiteralTypeNode(node, nodeVisitor(node.literal, visitor, ts.isExpression)); + case 198 /* SyntaxKind.TemplateLiteralType */: + ts.Debug.type(node); + return factory.updateTemplateLiteralType(node, nodeVisitor(node.head, visitor, ts.isTemplateHead), nodesVisitor(node.templateSpans, visitor, ts.isTemplateLiteralTypeSpan)); + case 199 /* SyntaxKind.TemplateLiteralTypeSpan */: + ts.Debug.type(node); + return factory.updateTemplateLiteralTypeSpan(node, nodeVisitor(node.type, visitor, ts.isTypeNode), nodeVisitor(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail)); + // Binding patterns + case 201 /* SyntaxKind.ObjectBindingPattern */: + ts.Debug.type(node); + return factory.updateObjectBindingPattern(node, nodesVisitor(node.elements, visitor, ts.isBindingElement)); + case 202 /* SyntaxKind.ArrayBindingPattern */: + ts.Debug.type(node); + return factory.updateArrayBindingPattern(node, nodesVisitor(node.elements, visitor, ts.isArrayBindingElement)); + case 203 /* SyntaxKind.BindingElement */: + ts.Debug.type(node); + return factory.updateBindingElement(node, nodeVisitor(node.dotDotDotToken, tokenVisitor, ts.isDotDotDotToken), nodeVisitor(node.propertyName, visitor, ts.isPropertyName), nodeVisitor(node.name, visitor, ts.isBindingName), nodeVisitor(node.initializer, visitor, ts.isExpression)); + // Expression + case 204 /* SyntaxKind.ArrayLiteralExpression */: + ts.Debug.type(node); + return factory.updateArrayLiteralExpression(node, nodesVisitor(node.elements, visitor, ts.isExpression)); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + ts.Debug.type(node); + return factory.updateObjectLiteralExpression(node, nodesVisitor(node.properties, visitor, ts.isObjectLiteralElementLike)); + case 206 /* SyntaxKind.PropertyAccessExpression */: + if (node.flags & 32 /* NodeFlags.OptionalChain */) { + ts.Debug.type(node); + return factory.updatePropertyAccessChain(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.questionDotToken, tokenVisitor, ts.isQuestionDotToken), nodeVisitor(node.name, visitor, ts.isMemberName)); + } + ts.Debug.type(node); + return factory.updatePropertyAccessExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.name, visitor, ts.isMemberName)); + case 207 /* SyntaxKind.ElementAccessExpression */: + if (node.flags & 32 /* NodeFlags.OptionalChain */) { + ts.Debug.type(node); + return factory.updateElementAccessChain(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.questionDotToken, tokenVisitor, ts.isQuestionDotToken), nodeVisitor(node.argumentExpression, visitor, ts.isExpression)); + } + ts.Debug.type(node); + return factory.updateElementAccessExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.argumentExpression, visitor, ts.isExpression)); + case 208 /* SyntaxKind.CallExpression */: + if (node.flags & 32 /* NodeFlags.OptionalChain */) { + ts.Debug.type(node); + return factory.updateCallChain(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.questionDotToken, tokenVisitor, ts.isQuestionDotToken), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodesVisitor(node.arguments, visitor, ts.isExpression)); + } + ts.Debug.type(node); + return factory.updateCallExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodesVisitor(node.arguments, visitor, ts.isExpression)); + case 209 /* SyntaxKind.NewExpression */: + ts.Debug.type(node); + return factory.updateNewExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodesVisitor(node.arguments, visitor, ts.isExpression)); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + ts.Debug.type(node); + return factory.updateTaggedTemplateExpression(node, nodeVisitor(node.tag, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), nodeVisitor(node.template, visitor, ts.isTemplateLiteral)); + case 211 /* SyntaxKind.TypeAssertionExpression */: + ts.Debug.type(node); + return factory.updateTypeAssertion(node, nodeVisitor(node.type, visitor, ts.isTypeNode), nodeVisitor(node.expression, visitor, ts.isExpression)); + case 212 /* SyntaxKind.ParenthesizedExpression */: + ts.Debug.type(node); + return factory.updateParenthesizedExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 213 /* SyntaxKind.FunctionExpression */: + ts.Debug.type(node); + return factory.updateFunctionExpression(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.asteriskToken, tokenVisitor, ts.isAsteriskToken), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), nodeVisitor(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 214 /* SyntaxKind.ArrowFunction */: + ts.Debug.type(node); + return factory.updateArrowFunction(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), nodeVisitor(node.type, visitor, ts.isTypeNode), nodeVisitor(node.equalsGreaterThanToken, tokenVisitor, ts.isEqualsGreaterThanToken), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 215 /* SyntaxKind.DeleteExpression */: + ts.Debug.type(node); + return factory.updateDeleteExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 216 /* SyntaxKind.TypeOfExpression */: + ts.Debug.type(node); + return factory.updateTypeOfExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 217 /* SyntaxKind.VoidExpression */: + ts.Debug.type(node); + return factory.updateVoidExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 218 /* SyntaxKind.AwaitExpression */: + ts.Debug.type(node); + return factory.updateAwaitExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + ts.Debug.type(node); + return factory.updatePrefixUnaryExpression(node, nodeVisitor(node.operand, visitor, ts.isExpression)); + case 220 /* SyntaxKind.PostfixUnaryExpression */: + ts.Debug.type(node); + return factory.updatePostfixUnaryExpression(node, nodeVisitor(node.operand, visitor, ts.isExpression)); + case 221 /* SyntaxKind.BinaryExpression */: + ts.Debug.type(node); + return factory.updateBinaryExpression(node, nodeVisitor(node.left, visitor, ts.isExpression), nodeVisitor(node.operatorToken, tokenVisitor, ts.isBinaryOperatorToken), nodeVisitor(node.right, visitor, ts.isExpression)); + case 222 /* SyntaxKind.ConditionalExpression */: + ts.Debug.type(node); + return factory.updateConditionalExpression(node, nodeVisitor(node.condition, visitor, ts.isExpression), nodeVisitor(node.questionToken, tokenVisitor, ts.isQuestionToken), nodeVisitor(node.whenTrue, visitor, ts.isExpression), nodeVisitor(node.colonToken, tokenVisitor, ts.isColonToken), nodeVisitor(node.whenFalse, visitor, ts.isExpression)); + case 223 /* SyntaxKind.TemplateExpression */: + ts.Debug.type(node); + return factory.updateTemplateExpression(node, nodeVisitor(node.head, visitor, ts.isTemplateHead), nodesVisitor(node.templateSpans, visitor, ts.isTemplateSpan)); + case 224 /* SyntaxKind.YieldExpression */: + ts.Debug.type(node); + return factory.updateYieldExpression(node, nodeVisitor(node.asteriskToken, tokenVisitor, ts.isAsteriskToken), nodeVisitor(node.expression, visitor, ts.isExpression)); + case 225 /* SyntaxKind.SpreadElement */: + ts.Debug.type(node); + return factory.updateSpreadElement(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 226 /* SyntaxKind.ClassExpression */: + ts.Debug.type(node); + return factory.updateClassExpression(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.heritageClauses, visitor, ts.isHeritageClause), nodesVisitor(node.members, visitor, ts.isClassElement)); + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + ts.Debug.type(node); + return factory.updateExpressionWithTypeArguments(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode)); + case 229 /* SyntaxKind.AsExpression */: + ts.Debug.type(node); + return factory.updateAsExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 230 /* SyntaxKind.NonNullExpression */: + if (node.flags & 32 /* NodeFlags.OptionalChain */) { + ts.Debug.type(node); + return factory.updateNonNullChain(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + } + ts.Debug.type(node); + return factory.updateNonNullExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 231 /* SyntaxKind.MetaProperty */: + ts.Debug.type(node); + return factory.updateMetaProperty(node, nodeVisitor(node.name, visitor, ts.isIdentifier)); + // Misc + case 233 /* SyntaxKind.TemplateSpan */: + ts.Debug.type(node); + return factory.updateTemplateSpan(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail)); + // Element + case 235 /* SyntaxKind.Block */: + ts.Debug.type(node); + return factory.updateBlock(node, nodesVisitor(node.statements, visitor, ts.isStatement)); + case 237 /* SyntaxKind.VariableStatement */: + ts.Debug.type(node); + return factory.updateVariableStatement(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.declarationList, visitor, ts.isVariableDeclarationList)); + case 238 /* SyntaxKind.ExpressionStatement */: + ts.Debug.type(node); + return factory.updateExpressionStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 239 /* SyntaxKind.IfStatement */: + ts.Debug.type(node); + return factory.updateIfStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.thenStatement, visitor, ts.isStatement, factory.liftToBlock), nodeVisitor(node.elseStatement, visitor, ts.isStatement, factory.liftToBlock)); + case 240 /* SyntaxKind.DoStatement */: + ts.Debug.type(node); + return factory.updateDoStatement(node, visitIterationBody(node.statement, visitor, context), nodeVisitor(node.expression, visitor, ts.isExpression)); + case 241 /* SyntaxKind.WhileStatement */: + ts.Debug.type(node); + return factory.updateWhileStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression), visitIterationBody(node.statement, visitor, context)); + case 242 /* SyntaxKind.ForStatement */: + ts.Debug.type(node); + return factory.updateForStatement(node, nodeVisitor(node.initializer, visitor, ts.isForInitializer), nodeVisitor(node.condition, visitor, ts.isExpression), nodeVisitor(node.incrementor, visitor, ts.isExpression), visitIterationBody(node.statement, visitor, context)); + case 243 /* SyntaxKind.ForInStatement */: + ts.Debug.type(node); + return factory.updateForInStatement(node, nodeVisitor(node.initializer, visitor, ts.isForInitializer), nodeVisitor(node.expression, visitor, ts.isExpression), visitIterationBody(node.statement, visitor, context)); + case 244 /* SyntaxKind.ForOfStatement */: + ts.Debug.type(node); + return factory.updateForOfStatement(node, nodeVisitor(node.awaitModifier, tokenVisitor, ts.isAwaitKeyword), nodeVisitor(node.initializer, visitor, ts.isForInitializer), nodeVisitor(node.expression, visitor, ts.isExpression), visitIterationBody(node.statement, visitor, context)); + case 245 /* SyntaxKind.ContinueStatement */: + ts.Debug.type(node); + return factory.updateContinueStatement(node, nodeVisitor(node.label, visitor, ts.isIdentifier)); + case 246 /* SyntaxKind.BreakStatement */: + ts.Debug.type(node); + return factory.updateBreakStatement(node, nodeVisitor(node.label, visitor, ts.isIdentifier)); + case 247 /* SyntaxKind.ReturnStatement */: + ts.Debug.type(node); + return factory.updateReturnStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 248 /* SyntaxKind.WithStatement */: + ts.Debug.type(node); + return factory.updateWithStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.statement, visitor, ts.isStatement, factory.liftToBlock)); + case 249 /* SyntaxKind.SwitchStatement */: + ts.Debug.type(node); + return factory.updateSwitchStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodeVisitor(node.caseBlock, visitor, ts.isCaseBlock)); + case 250 /* SyntaxKind.LabeledStatement */: + ts.Debug.type(node); + return factory.updateLabeledStatement(node, nodeVisitor(node.label, visitor, ts.isIdentifier), nodeVisitor(node.statement, visitor, ts.isStatement, factory.liftToBlock)); + case 251 /* SyntaxKind.ThrowStatement */: + ts.Debug.type(node); + return factory.updateThrowStatement(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 252 /* SyntaxKind.TryStatement */: + ts.Debug.type(node); + return factory.updateTryStatement(node, nodeVisitor(node.tryBlock, visitor, ts.isBlock), nodeVisitor(node.catchClause, visitor, ts.isCatchClause), nodeVisitor(node.finallyBlock, visitor, ts.isBlock)); + case 254 /* SyntaxKind.VariableDeclaration */: + ts.Debug.type(node); + return factory.updateVariableDeclaration(node, nodeVisitor(node.name, visitor, ts.isBindingName), nodeVisitor(node.exclamationToken, tokenVisitor, ts.isExclamationToken), nodeVisitor(node.type, visitor, ts.isTypeNode), nodeVisitor(node.initializer, visitor, ts.isExpression)); + case 255 /* SyntaxKind.VariableDeclarationList */: + ts.Debug.type(node); + return factory.updateVariableDeclarationList(node, nodesVisitor(node.declarations, visitor, ts.isVariableDeclaration)); + case 256 /* SyntaxKind.FunctionDeclaration */: + ts.Debug.type(node); + return factory.updateFunctionDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.asteriskToken, tokenVisitor, ts.isAsteriskToken), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), nodeVisitor(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context, nodeVisitor)); + case 257 /* SyntaxKind.ClassDeclaration */: + ts.Debug.type(node); + return factory.updateClassDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.heritageClauses, visitor, ts.isHeritageClause), nodesVisitor(node.members, visitor, ts.isClassElement)); + case 258 /* SyntaxKind.InterfaceDeclaration */: + ts.Debug.type(node); + return factory.updateInterfaceDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.heritageClauses, visitor, ts.isHeritageClause), nodesVisitor(node.members, visitor, ts.isTypeElement)); + case 259 /* SyntaxKind.TypeAliasDeclaration */: + ts.Debug.type(node); + return factory.updateTypeAliasDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodeVisitor(node.type, visitor, ts.isTypeNode)); + case 260 /* SyntaxKind.EnumDeclaration */: + ts.Debug.type(node); + return factory.updateEnumDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isIdentifier), nodesVisitor(node.members, visitor, ts.isEnumMember)); + case 261 /* SyntaxKind.ModuleDeclaration */: + ts.Debug.type(node); + return factory.updateModuleDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.name, visitor, ts.isModuleName), nodeVisitor(node.body, visitor, ts.isModuleBody)); + case 262 /* SyntaxKind.ModuleBlock */: + ts.Debug.type(node); + return factory.updateModuleBlock(node, nodesVisitor(node.statements, visitor, ts.isStatement)); + case 263 /* SyntaxKind.CaseBlock */: + ts.Debug.type(node); + return factory.updateCaseBlock(node, nodesVisitor(node.clauses, visitor, ts.isCaseOrDefaultClause)); + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + ts.Debug.type(node); + return factory.updateNamespaceExportDeclaration(node, nodeVisitor(node.name, visitor, ts.isIdentifier)); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + ts.Debug.type(node); + return factory.updateImportEqualsDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), node.isTypeOnly, nodeVisitor(node.name, visitor, ts.isIdentifier), nodeVisitor(node.moduleReference, visitor, ts.isModuleReference)); + case 266 /* SyntaxKind.ImportDeclaration */: + ts.Debug.type(node); + return factory.updateImportDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.importClause, visitor, ts.isImportClause), nodeVisitor(node.moduleSpecifier, visitor, ts.isExpression), nodeVisitor(node.assertClause, visitor, ts.isAssertClause)); + case 293 /* SyntaxKind.AssertClause */: + ts.Debug.type(node); + return factory.updateAssertClause(node, nodesVisitor(node.elements, visitor, ts.isAssertEntry), node.multiLine); + case 294 /* SyntaxKind.AssertEntry */: + ts.Debug.type(node); + return factory.updateAssertEntry(node, nodeVisitor(node.name, visitor, ts.isAssertionKey), nodeVisitor(node.value, visitor, ts.isExpressionNode)); + case 267 /* SyntaxKind.ImportClause */: + ts.Debug.type(node); + return factory.updateImportClause(node, node.isTypeOnly, nodeVisitor(node.name, visitor, ts.isIdentifier), nodeVisitor(node.namedBindings, visitor, ts.isNamedImportBindings)); + case 268 /* SyntaxKind.NamespaceImport */: + ts.Debug.type(node); + return factory.updateNamespaceImport(node, nodeVisitor(node.name, visitor, ts.isIdentifier)); + case 274 /* SyntaxKind.NamespaceExport */: + ts.Debug.type(node); + return factory.updateNamespaceExport(node, nodeVisitor(node.name, visitor, ts.isIdentifier)); + case 269 /* SyntaxKind.NamedImports */: + ts.Debug.type(node); + return factory.updateNamedImports(node, nodesVisitor(node.elements, visitor, ts.isImportSpecifier)); + case 270 /* SyntaxKind.ImportSpecifier */: + ts.Debug.type(node); + return factory.updateImportSpecifier(node, node.isTypeOnly, nodeVisitor(node.propertyName, visitor, ts.isIdentifier), nodeVisitor(node.name, visitor, ts.isIdentifier)); + case 271 /* SyntaxKind.ExportAssignment */: + ts.Debug.type(node); + return factory.updateExportAssignment(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodeVisitor(node.expression, visitor, ts.isExpression)); + case 272 /* SyntaxKind.ExportDeclaration */: + ts.Debug.type(node); + return factory.updateExportDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), node.isTypeOnly, nodeVisitor(node.exportClause, visitor, ts.isNamedExportBindings), nodeVisitor(node.moduleSpecifier, visitor, ts.isExpression), nodeVisitor(node.assertClause, visitor, ts.isAssertClause)); + case 273 /* SyntaxKind.NamedExports */: + ts.Debug.type(node); + return factory.updateNamedExports(node, nodesVisitor(node.elements, visitor, ts.isExportSpecifier)); + case 275 /* SyntaxKind.ExportSpecifier */: + ts.Debug.type(node); + return factory.updateExportSpecifier(node, node.isTypeOnly, nodeVisitor(node.propertyName, visitor, ts.isIdentifier), nodeVisitor(node.name, visitor, ts.isIdentifier)); + // Module references + case 277 /* SyntaxKind.ExternalModuleReference */: + ts.Debug.type(node); + return factory.updateExternalModuleReference(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + // JSX + case 278 /* SyntaxKind.JsxElement */: + ts.Debug.type(node); + return factory.updateJsxElement(node, nodeVisitor(node.openingElement, visitor, ts.isJsxOpeningElement), nodesVisitor(node.children, visitor, ts.isJsxChild), nodeVisitor(node.closingElement, visitor, ts.isJsxClosingElement)); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + ts.Debug.type(node); + return factory.updateJsxSelfClosingElement(node, nodeVisitor(node.tagName, visitor, ts.isJsxTagNameExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodeVisitor(node.attributes, visitor, ts.isJsxAttributes)); + case 280 /* SyntaxKind.JsxOpeningElement */: + ts.Debug.type(node); + return factory.updateJsxOpeningElement(node, nodeVisitor(node.tagName, visitor, ts.isJsxTagNameExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodeVisitor(node.attributes, visitor, ts.isJsxAttributes)); + case 281 /* SyntaxKind.JsxClosingElement */: + ts.Debug.type(node); + return factory.updateJsxClosingElement(node, nodeVisitor(node.tagName, visitor, ts.isJsxTagNameExpression)); + case 282 /* SyntaxKind.JsxFragment */: + ts.Debug.type(node); + return factory.updateJsxFragment(node, nodeVisitor(node.openingFragment, visitor, ts.isJsxOpeningFragment), nodesVisitor(node.children, visitor, ts.isJsxChild), nodeVisitor(node.closingFragment, visitor, ts.isJsxClosingFragment)); + case 285 /* SyntaxKind.JsxAttribute */: + ts.Debug.type(node); + return factory.updateJsxAttribute(node, nodeVisitor(node.name, visitor, ts.isIdentifier), nodeVisitor(node.initializer, visitor, ts.isStringLiteralOrJsxExpression)); + case 286 /* SyntaxKind.JsxAttributes */: + ts.Debug.type(node); + return factory.updateJsxAttributes(node, nodesVisitor(node.properties, visitor, ts.isJsxAttributeLike)); + case 287 /* SyntaxKind.JsxSpreadAttribute */: + ts.Debug.type(node); + return factory.updateJsxSpreadAttribute(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 288 /* SyntaxKind.JsxExpression */: + ts.Debug.type(node); + return factory.updateJsxExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + // Clauses + case 289 /* SyntaxKind.CaseClause */: + ts.Debug.type(node); + return factory.updateCaseClause(node, nodeVisitor(node.expression, visitor, ts.isExpression), nodesVisitor(node.statements, visitor, ts.isStatement)); + case 290 /* SyntaxKind.DefaultClause */: + ts.Debug.type(node); + return factory.updateDefaultClause(node, nodesVisitor(node.statements, visitor, ts.isStatement)); + case 291 /* SyntaxKind.HeritageClause */: + ts.Debug.type(node); + return factory.updateHeritageClause(node, nodesVisitor(node.types, visitor, ts.isExpressionWithTypeArguments)); + case 292 /* SyntaxKind.CatchClause */: + ts.Debug.type(node); + return factory.updateCatchClause(node, nodeVisitor(node.variableDeclaration, visitor, ts.isVariableDeclaration), nodeVisitor(node.block, visitor, ts.isBlock)); + // Property assignments + case 296 /* SyntaxKind.PropertyAssignment */: + ts.Debug.type(node); + return factory.updatePropertyAssignment(node, nodeVisitor(node.name, visitor, ts.isPropertyName), nodeVisitor(node.initializer, visitor, ts.isExpression)); + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + ts.Debug.type(node); + return factory.updateShorthandPropertyAssignment(node, nodeVisitor(node.name, visitor, ts.isIdentifier), nodeVisitor(node.objectAssignmentInitializer, visitor, ts.isExpression)); + case 298 /* SyntaxKind.SpreadAssignment */: + ts.Debug.type(node); + return factory.updateSpreadAssignment(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + // Enum + case 299 /* SyntaxKind.EnumMember */: + ts.Debug.type(node); + return factory.updateEnumMember(node, nodeVisitor(node.name, visitor, ts.isPropertyName), nodeVisitor(node.initializer, visitor, ts.isExpression)); + // Top-level nodes + case 305 /* SyntaxKind.SourceFile */: + ts.Debug.type(node); + return factory.updateSourceFile(node, visitLexicalEnvironment(node.statements, visitor, context)); + // Transformation nodes + case 350 /* SyntaxKind.PartiallyEmittedExpression */: + ts.Debug.type(node); + return factory.updatePartiallyEmittedExpression(node, nodeVisitor(node.expression, visitor, ts.isExpression)); + case 351 /* SyntaxKind.CommaListExpression */: + ts.Debug.type(node); + return factory.updateCommaListExpression(node, nodesVisitor(node.elements, visitor, ts.isExpression)); + default: + // No need to visit nodes with no children. + return node; + } + } + ts.visitEachChild = visitEachChild; + /** + * Extracts the single node from a NodeArray. + * + * @param nodes The NodeArray. + */ + function extractSingleNode(nodes) { + ts.Debug.assert(nodes.length <= 1, "Too many nodes written to output."); + return ts.singleOrUndefined(nodes); + } +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + function createSourceMapGenerator(host, file, sourceRoot, sourcesDirectoryPath, generatorOptions) { + var _a = generatorOptions.extendedDiagnostics + ? ts.performance.createTimer("Source Map", "beforeSourcemap", "afterSourcemap") + : ts.performance.nullTimer, enter = _a.enter, exit = _a.exit; + // Current source map file and its index in the sources list + var rawSources = []; + var sources = []; + var sourceToSourceIndexMap = new ts.Map(); + var sourcesContent; + var names = []; + var nameToNameIndexMap; + var mappingCharCodes = []; + var mappings = ""; + // Last recorded and encoded mappings + var lastGeneratedLine = 0; + var lastGeneratedCharacter = 0; + var lastSourceIndex = 0; + var lastSourceLine = 0; + var lastSourceCharacter = 0; + var lastNameIndex = 0; + var hasLast = false; + var pendingGeneratedLine = 0; + var pendingGeneratedCharacter = 0; + var pendingSourceIndex = 0; + var pendingSourceLine = 0; + var pendingSourceCharacter = 0; + var pendingNameIndex = 0; + var hasPending = false; + var hasPendingSource = false; + var hasPendingName = false; + return { + getSources: function () { return rawSources; }, + addSource: addSource, + setSourceContent: setSourceContent, + addName: addName, + addMapping: addMapping, + appendSourceMap: appendSourceMap, + toJSON: toJSON, + toString: function () { return JSON.stringify(toJSON()); } + }; + function addSource(fileName) { + enter(); + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, fileName, host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ true); + var sourceIndex = sourceToSourceIndexMap.get(source); + if (sourceIndex === undefined) { + sourceIndex = sources.length; + sources.push(source); + rawSources.push(fileName); + sourceToSourceIndexMap.set(source, sourceIndex); + } + exit(); + return sourceIndex; + } + /* eslint-disable boolean-trivia, no-null/no-null */ + function setSourceContent(sourceIndex, content) { + enter(); + if (content !== null) { + if (!sourcesContent) + sourcesContent = []; + while (sourcesContent.length < sourceIndex) { + sourcesContent.push(null); + } + sourcesContent[sourceIndex] = content; + } + exit(); + } + /* eslint-enable boolean-trivia, no-null/no-null */ + function addName(name) { + enter(); + if (!nameToNameIndexMap) + nameToNameIndexMap = new ts.Map(); + var nameIndex = nameToNameIndexMap.get(name); + if (nameIndex === undefined) { + nameIndex = names.length; + names.push(name); + nameToNameIndexMap.set(name, nameIndex); + } + exit(); + return nameIndex; + } + function isNewGeneratedPosition(generatedLine, generatedCharacter) { + return !hasPending + || pendingGeneratedLine !== generatedLine + || pendingGeneratedCharacter !== generatedCharacter; + } + function isBacktrackingSourcePosition(sourceIndex, sourceLine, sourceCharacter) { + return sourceIndex !== undefined + && sourceLine !== undefined + && sourceCharacter !== undefined + && pendingSourceIndex === sourceIndex + && (pendingSourceLine > sourceLine + || pendingSourceLine === sourceLine && pendingSourceCharacter > sourceCharacter); + } + function addMapping(generatedLine, generatedCharacter, sourceIndex, sourceLine, sourceCharacter, nameIndex) { + ts.Debug.assert(generatedLine >= pendingGeneratedLine, "generatedLine cannot backtrack"); + ts.Debug.assert(generatedCharacter >= 0, "generatedCharacter cannot be negative"); + ts.Debug.assert(sourceIndex === undefined || sourceIndex >= 0, "sourceIndex cannot be negative"); + ts.Debug.assert(sourceLine === undefined || sourceLine >= 0, "sourceLine cannot be negative"); + ts.Debug.assert(sourceCharacter === undefined || sourceCharacter >= 0, "sourceCharacter cannot be negative"); + enter(); + // If this location wasn't recorded or the location in source is going backwards, record the mapping + if (isNewGeneratedPosition(generatedLine, generatedCharacter) || + isBacktrackingSourcePosition(sourceIndex, sourceLine, sourceCharacter)) { + commitPendingMapping(); + pendingGeneratedLine = generatedLine; + pendingGeneratedCharacter = generatedCharacter; + hasPendingSource = false; + hasPendingName = false; + hasPending = true; + } + if (sourceIndex !== undefined && sourceLine !== undefined && sourceCharacter !== undefined) { + pendingSourceIndex = sourceIndex; + pendingSourceLine = sourceLine; + pendingSourceCharacter = sourceCharacter; + hasPendingSource = true; + if (nameIndex !== undefined) { + pendingNameIndex = nameIndex; + hasPendingName = true; + } + } + exit(); + } + function appendSourceMap(generatedLine, generatedCharacter, map, sourceMapPath, start, end) { + ts.Debug.assert(generatedLine >= pendingGeneratedLine, "generatedLine cannot backtrack"); + ts.Debug.assert(generatedCharacter >= 0, "generatedCharacter cannot be negative"); + enter(); + // First, decode the old component sourcemap + var sourceIndexToNewSourceIndexMap = []; + var nameIndexToNewNameIndexMap; + var mappingIterator = decodeMappings(map.mappings); + for (var iterResult = mappingIterator.next(); !iterResult.done; iterResult = mappingIterator.next()) { + var raw = iterResult.value; + if (end && (raw.generatedLine > end.line || + (raw.generatedLine === end.line && raw.generatedCharacter > end.character))) { + break; + } + if (start && (raw.generatedLine < start.line || + (start.line === raw.generatedLine && raw.generatedCharacter < start.character))) { + continue; + } + // Then reencode all the updated mappings into the overall map + var newSourceIndex = void 0; + var newSourceLine = void 0; + var newSourceCharacter = void 0; + var newNameIndex = void 0; + if (raw.sourceIndex !== undefined) { + newSourceIndex = sourceIndexToNewSourceIndexMap[raw.sourceIndex]; + if (newSourceIndex === undefined) { + // Apply offsets to each position and fixup source entries + var rawPath = map.sources[raw.sourceIndex]; + var relativePath = map.sourceRoot ? ts.combinePaths(map.sourceRoot, rawPath) : rawPath; + var combinedPath = ts.combinePaths(ts.getDirectoryPath(sourceMapPath), relativePath); + sourceIndexToNewSourceIndexMap[raw.sourceIndex] = newSourceIndex = addSource(combinedPath); + if (map.sourcesContent && typeof map.sourcesContent[raw.sourceIndex] === "string") { + setSourceContent(newSourceIndex, map.sourcesContent[raw.sourceIndex]); + } + } + newSourceLine = raw.sourceLine; + newSourceCharacter = raw.sourceCharacter; + if (map.names && raw.nameIndex !== undefined) { + if (!nameIndexToNewNameIndexMap) + nameIndexToNewNameIndexMap = []; + newNameIndex = nameIndexToNewNameIndexMap[raw.nameIndex]; + if (newNameIndex === undefined) { + nameIndexToNewNameIndexMap[raw.nameIndex] = newNameIndex = addName(map.names[raw.nameIndex]); + } + } + } + var rawGeneratedLine = raw.generatedLine - (start ? start.line : 0); + var newGeneratedLine = rawGeneratedLine + generatedLine; + var rawGeneratedCharacter = start && start.line === raw.generatedLine ? raw.generatedCharacter - start.character : raw.generatedCharacter; + var newGeneratedCharacter = rawGeneratedLine === 0 ? rawGeneratedCharacter + generatedCharacter : rawGeneratedCharacter; + addMapping(newGeneratedLine, newGeneratedCharacter, newSourceIndex, newSourceLine, newSourceCharacter, newNameIndex); + } + exit(); + } + function shouldCommitMapping() { + return !hasLast + || lastGeneratedLine !== pendingGeneratedLine + || lastGeneratedCharacter !== pendingGeneratedCharacter + || lastSourceIndex !== pendingSourceIndex + || lastSourceLine !== pendingSourceLine + || lastSourceCharacter !== pendingSourceCharacter + || lastNameIndex !== pendingNameIndex; + } + function appendMappingCharCode(charCode) { + mappingCharCodes.push(charCode); + // String.fromCharCode accepts its arguments on the stack, so we have to chunk the input, + // otherwise we can get stack overflows for large source maps + if (mappingCharCodes.length >= 1024) { + flushMappingBuffer(); + } + } + function commitPendingMapping() { + if (!hasPending || !shouldCommitMapping()) { + return; + } + enter(); + // Line/Comma delimiters + if (lastGeneratedLine < pendingGeneratedLine) { + // Emit line delimiters + do { + appendMappingCharCode(59 /* CharacterCodes.semicolon */); + lastGeneratedLine++; + } while (lastGeneratedLine < pendingGeneratedLine); + // Only need to set this once + lastGeneratedCharacter = 0; + } + else { + ts.Debug.assertEqual(lastGeneratedLine, pendingGeneratedLine, "generatedLine cannot backtrack"); + // Emit comma to separate the entry + if (hasLast) { + appendMappingCharCode(44 /* CharacterCodes.comma */); + } + } + // 1. Relative generated character + appendBase64VLQ(pendingGeneratedCharacter - lastGeneratedCharacter); + lastGeneratedCharacter = pendingGeneratedCharacter; + if (hasPendingSource) { + // 2. Relative sourceIndex + appendBase64VLQ(pendingSourceIndex - lastSourceIndex); + lastSourceIndex = pendingSourceIndex; + // 3. Relative source line + appendBase64VLQ(pendingSourceLine - lastSourceLine); + lastSourceLine = pendingSourceLine; + // 4. Relative source character + appendBase64VLQ(pendingSourceCharacter - lastSourceCharacter); + lastSourceCharacter = pendingSourceCharacter; + if (hasPendingName) { + // 5. Relative nameIndex + appendBase64VLQ(pendingNameIndex - lastNameIndex); + lastNameIndex = pendingNameIndex; + } + } + hasLast = true; + exit(); + } + function flushMappingBuffer() { + if (mappingCharCodes.length > 0) { + mappings += String.fromCharCode.apply(undefined, mappingCharCodes); + mappingCharCodes.length = 0; + } + } + function toJSON() { + commitPendingMapping(); + flushMappingBuffer(); + return { + version: 3, + file: file, + sourceRoot: sourceRoot, + sources: sources, + names: names, + mappings: mappings, + sourcesContent: sourcesContent, + }; + } + function appendBase64VLQ(inValue) { + // Add a new least significant bit that has the sign of the value. + // if negative number the least significant bit that gets added to the number has value 1 + // else least significant bit value that gets added is 0 + // eg. -1 changes to binary : 01 [1] => 3 + // +1 changes to binary : 01 [0] => 2 + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; + } + else { + inValue = inValue << 1; + } + // Encode 5 bits at a time starting from least significant bits + do { + var currentDigit = inValue & 31; // 11111 + inValue = inValue >> 5; + if (inValue > 0) { + // There are still more digits to decode, set the msb (6th bit) + currentDigit = currentDigit | 32; + } + appendMappingCharCode(base64FormatEncode(currentDigit)); + } while (inValue > 0); + } + } + ts.createSourceMapGenerator = createSourceMapGenerator; + // Sometimes tools can see the following line as a source mapping url comment, so we mangle it a bit (the [M]) + var sourceMapCommentRegExp = /^\/\/[@#] source[M]appingURL=(.+)\r?\n?$/; + var whitespaceOrMapCommentRegExp = /^\s*(\/\/[@#] .*)?$/; + function getLineInfo(text, lineStarts) { + return { + getLineCount: function () { return lineStarts.length; }, + getLineText: function (line) { return text.substring(lineStarts[line], lineStarts[line + 1]); } + }; + } + ts.getLineInfo = getLineInfo; + /** + * Tries to find the sourceMappingURL comment at the end of a file. + */ + function tryGetSourceMappingURL(lineInfo) { + for (var index = lineInfo.getLineCount() - 1; index >= 0; index--) { + var line = lineInfo.getLineText(index); + var comment = sourceMapCommentRegExp.exec(line); + if (comment) { + return ts.trimStringEnd(comment[1]); + } + // If we see a non-whitespace/map comment-like line, break, to avoid scanning up the entire file + else if (!line.match(whitespaceOrMapCommentRegExp)) { + break; + } + } + } + ts.tryGetSourceMappingURL = tryGetSourceMappingURL; + /* eslint-disable no-null/no-null */ + function isStringOrNull(x) { + return typeof x === "string" || x === null; + } + function isRawSourceMap(x) { + return x !== null + && typeof x === "object" + && x.version === 3 + && typeof x.file === "string" + && typeof x.mappings === "string" + && ts.isArray(x.sources) && ts.every(x.sources, ts.isString) + && (x.sourceRoot === undefined || x.sourceRoot === null || typeof x.sourceRoot === "string") + && (x.sourcesContent === undefined || x.sourcesContent === null || ts.isArray(x.sourcesContent) && ts.every(x.sourcesContent, isStringOrNull)) + && (x.names === undefined || x.names === null || ts.isArray(x.names) && ts.every(x.names, ts.isString)); + } + ts.isRawSourceMap = isRawSourceMap; + /* eslint-enable no-null/no-null */ + function tryParseRawSourceMap(text) { + try { + var parsed = JSON.parse(text); + if (isRawSourceMap(parsed)) { + return parsed; + } + } + catch (_a) { + // empty + } + return undefined; + } + ts.tryParseRawSourceMap = tryParseRawSourceMap; + function decodeMappings(mappings) { + var done = false; + var pos = 0; + var generatedLine = 0; + var generatedCharacter = 0; + var sourceIndex = 0; + var sourceLine = 0; + var sourceCharacter = 0; + var nameIndex = 0; + var error; + return { + get pos() { return pos; }, + get error() { return error; }, + get state() { return captureMapping(/*hasSource*/ true, /*hasName*/ true); }, + next: function () { + while (!done && pos < mappings.length) { + var ch = mappings.charCodeAt(pos); + if (ch === 59 /* CharacterCodes.semicolon */) { + // new line + generatedLine++; + generatedCharacter = 0; + pos++; + continue; + } + if (ch === 44 /* CharacterCodes.comma */) { + // Next entry is on same line - no action needed + pos++; + continue; + } + var hasSource = false; + var hasName = false; + generatedCharacter += base64VLQFormatDecode(); + if (hasReportedError()) + return stopIterating(); + if (generatedCharacter < 0) + return setErrorAndStopIterating("Invalid generatedCharacter found"); + if (!isSourceMappingSegmentEnd()) { + hasSource = true; + sourceIndex += base64VLQFormatDecode(); + if (hasReportedError()) + return stopIterating(); + if (sourceIndex < 0) + return setErrorAndStopIterating("Invalid sourceIndex found"); + if (isSourceMappingSegmentEnd()) + return setErrorAndStopIterating("Unsupported Format: No entries after sourceIndex"); + sourceLine += base64VLQFormatDecode(); + if (hasReportedError()) + return stopIterating(); + if (sourceLine < 0) + return setErrorAndStopIterating("Invalid sourceLine found"); + if (isSourceMappingSegmentEnd()) + return setErrorAndStopIterating("Unsupported Format: No entries after sourceLine"); + sourceCharacter += base64VLQFormatDecode(); + if (hasReportedError()) + return stopIterating(); + if (sourceCharacter < 0) + return setErrorAndStopIterating("Invalid sourceCharacter found"); + if (!isSourceMappingSegmentEnd()) { + hasName = true; + nameIndex += base64VLQFormatDecode(); + if (hasReportedError()) + return stopIterating(); + if (nameIndex < 0) + return setErrorAndStopIterating("Invalid nameIndex found"); + if (!isSourceMappingSegmentEnd()) + return setErrorAndStopIterating("Unsupported Error Format: Entries after nameIndex"); + } + } + return { value: captureMapping(hasSource, hasName), done: done }; + } + return stopIterating(); + } + }; + function captureMapping(hasSource, hasName) { + return { + generatedLine: generatedLine, + generatedCharacter: generatedCharacter, + sourceIndex: hasSource ? sourceIndex : undefined, + sourceLine: hasSource ? sourceLine : undefined, + sourceCharacter: hasSource ? sourceCharacter : undefined, + nameIndex: hasName ? nameIndex : undefined + }; + } + function stopIterating() { + done = true; + return { value: undefined, done: true }; + } + function setError(message) { + if (error === undefined) { + error = message; + } + } + function setErrorAndStopIterating(message) { + setError(message); + return stopIterating(); + } + function hasReportedError() { + return error !== undefined; + } + function isSourceMappingSegmentEnd() { + return (pos === mappings.length || + mappings.charCodeAt(pos) === 44 /* CharacterCodes.comma */ || + mappings.charCodeAt(pos) === 59 /* CharacterCodes.semicolon */); + } + function base64VLQFormatDecode() { + var moreDigits = true; + var shiftCount = 0; + var value = 0; + for (; moreDigits; pos++) { + if (pos >= mappings.length) + return setError("Error in decoding base64VLQFormatDecode, past the mapping string"), -1; + // 6 digit number + var currentByte = base64FormatDecode(mappings.charCodeAt(pos)); + if (currentByte === -1) + return setError("Invalid character in VLQ"), -1; + // If msb is set, we still have more bits to continue + moreDigits = (currentByte & 32) !== 0; + // least significant 5 bits are the next msbs in the final value. + value = value | ((currentByte & 31) << shiftCount); + shiftCount += 5; + } + // Least significant bit if 1 represents negative and rest of the msb is actual absolute value + if ((value & 1) === 0) { + // + number + value = value >> 1; + } + else { + // - number + value = value >> 1; + value = -value; + } + return value; + } + } + ts.decodeMappings = decodeMappings; + function sameMapping(left, right) { + return left === right + || left.generatedLine === right.generatedLine + && left.generatedCharacter === right.generatedCharacter + && left.sourceIndex === right.sourceIndex + && left.sourceLine === right.sourceLine + && left.sourceCharacter === right.sourceCharacter + && left.nameIndex === right.nameIndex; + } + ts.sameMapping = sameMapping; + function isSourceMapping(mapping) { + return mapping.sourceIndex !== undefined + && mapping.sourceLine !== undefined + && mapping.sourceCharacter !== undefined; + } + ts.isSourceMapping = isSourceMapping; + function base64FormatEncode(value) { + return value >= 0 && value < 26 ? 65 /* CharacterCodes.A */ + value : + value >= 26 && value < 52 ? 97 /* CharacterCodes.a */ + value - 26 : + value >= 52 && value < 62 ? 48 /* CharacterCodes._0 */ + value - 52 : + value === 62 ? 43 /* CharacterCodes.plus */ : + value === 63 ? 47 /* CharacterCodes.slash */ : + ts.Debug.fail("".concat(value, ": not a base64 value")); + } + function base64FormatDecode(ch) { + return ch >= 65 /* CharacterCodes.A */ && ch <= 90 /* CharacterCodes.Z */ ? ch - 65 /* CharacterCodes.A */ : + ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */ ? ch - 97 /* CharacterCodes.a */ + 26 : + ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */ ? ch - 48 /* CharacterCodes._0 */ + 52 : + ch === 43 /* CharacterCodes.plus */ ? 62 : + ch === 47 /* CharacterCodes.slash */ ? 63 : + -1; + } + function isSourceMappedPosition(value) { + return value.sourceIndex !== undefined + && value.sourcePosition !== undefined; + } + function sameMappedPosition(left, right) { + return left.generatedPosition === right.generatedPosition + && left.sourceIndex === right.sourceIndex + && left.sourcePosition === right.sourcePosition; + } + function compareSourcePositions(left, right) { + // Compares sourcePosition without comparing sourceIndex + // since the mappings are grouped by sourceIndex + ts.Debug.assert(left.sourceIndex === right.sourceIndex); + return ts.compareValues(left.sourcePosition, right.sourcePosition); + } + function compareGeneratedPositions(left, right) { + return ts.compareValues(left.generatedPosition, right.generatedPosition); + } + function getSourcePositionOfMapping(value) { + return value.sourcePosition; + } + function getGeneratedPositionOfMapping(value) { + return value.generatedPosition; + } + function createDocumentPositionMapper(host, map, mapPath) { + var mapDirectory = ts.getDirectoryPath(mapPath); + var sourceRoot = map.sourceRoot ? ts.getNormalizedAbsolutePath(map.sourceRoot, mapDirectory) : mapDirectory; + var generatedAbsoluteFilePath = ts.getNormalizedAbsolutePath(map.file, mapDirectory); + var generatedFile = host.getSourceFileLike(generatedAbsoluteFilePath); + var sourceFileAbsolutePaths = map.sources.map(function (source) { return ts.getNormalizedAbsolutePath(source, sourceRoot); }); + var sourceToSourceIndexMap = new ts.Map(sourceFileAbsolutePaths.map(function (source, i) { return [host.getCanonicalFileName(source), i]; })); + var decodedMappings; + var generatedMappings; + var sourceMappings; + return { + getSourcePosition: getSourcePosition, + getGeneratedPosition: getGeneratedPosition + }; + function processMapping(mapping) { + var generatedPosition = generatedFile !== undefined + ? ts.getPositionOfLineAndCharacter(generatedFile, mapping.generatedLine, mapping.generatedCharacter, /*allowEdits*/ true) + : -1; + var source; + var sourcePosition; + if (isSourceMapping(mapping)) { + var sourceFile = host.getSourceFileLike(sourceFileAbsolutePaths[mapping.sourceIndex]); + source = map.sources[mapping.sourceIndex]; + sourcePosition = sourceFile !== undefined + ? ts.getPositionOfLineAndCharacter(sourceFile, mapping.sourceLine, mapping.sourceCharacter, /*allowEdits*/ true) + : -1; + } + return { + generatedPosition: generatedPosition, + source: source, + sourceIndex: mapping.sourceIndex, + sourcePosition: sourcePosition, + nameIndex: mapping.nameIndex + }; + } + function getDecodedMappings() { + if (decodedMappings === undefined) { + var decoder = decodeMappings(map.mappings); + var mappings = ts.arrayFrom(decoder, processMapping); + if (decoder.error !== undefined) { + if (host.log) { + host.log("Encountered error while decoding sourcemap: ".concat(decoder.error)); + } + decodedMappings = ts.emptyArray; + } + else { + decodedMappings = mappings; + } + } + return decodedMappings; + } + function getSourceMappings(sourceIndex) { + if (sourceMappings === undefined) { + var lists = []; + for (var _i = 0, _a = getDecodedMappings(); _i < _a.length; _i++) { + var mapping = _a[_i]; + if (!isSourceMappedPosition(mapping)) + continue; + var list = lists[mapping.sourceIndex]; + if (!list) + lists[mapping.sourceIndex] = list = []; + list.push(mapping); + } + sourceMappings = lists.map(function (list) { return ts.sortAndDeduplicate(list, compareSourcePositions, sameMappedPosition); }); + } + return sourceMappings[sourceIndex]; + } + function getGeneratedMappings() { + if (generatedMappings === undefined) { + var list = []; + for (var _i = 0, _a = getDecodedMappings(); _i < _a.length; _i++) { + var mapping = _a[_i]; + list.push(mapping); + } + generatedMappings = ts.sortAndDeduplicate(list, compareGeneratedPositions, sameMappedPosition); + } + return generatedMappings; + } + function getGeneratedPosition(loc) { + var sourceIndex = sourceToSourceIndexMap.get(host.getCanonicalFileName(loc.fileName)); + if (sourceIndex === undefined) + return loc; + var sourceMappings = getSourceMappings(sourceIndex); + if (!ts.some(sourceMappings)) + return loc; + var targetIndex = ts.binarySearchKey(sourceMappings, loc.pos, getSourcePositionOfMapping, ts.compareValues); + if (targetIndex < 0) { + // if no exact match, closest is 2's complement of result + targetIndex = ~targetIndex; + } + var mapping = sourceMappings[targetIndex]; + if (mapping === undefined || mapping.sourceIndex !== sourceIndex) { + return loc; + } + return { fileName: generatedAbsoluteFilePath, pos: mapping.generatedPosition }; // Closest pos + } + function getSourcePosition(loc) { + var generatedMappings = getGeneratedMappings(); + if (!ts.some(generatedMappings)) + return loc; + var targetIndex = ts.binarySearchKey(generatedMappings, loc.pos, getGeneratedPositionOfMapping, ts.compareValues); + if (targetIndex < 0) { + // if no exact match, closest is 2's complement of result + targetIndex = ~targetIndex; + } + var mapping = generatedMappings[targetIndex]; + if (mapping === undefined || !isSourceMappedPosition(mapping)) { + return loc; + } + return { fileName: sourceFileAbsolutePaths[mapping.sourceIndex], pos: mapping.sourcePosition }; // Closest pos + } + } + ts.createDocumentPositionMapper = createDocumentPositionMapper; + ts.identitySourceMapConsumer = { + getSourcePosition: ts.identity, + getGeneratedPosition: ts.identity + }; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + function getOriginalNodeId(node) { + node = ts.getOriginalNode(node); + return node ? ts.getNodeId(node) : 0; + } + ts.getOriginalNodeId = getOriginalNodeId; + function containsDefaultReference(node) { + if (!node) + return false; + if (!ts.isNamedImports(node)) + return false; + return ts.some(node.elements, isNamedDefaultReference); + } + function isNamedDefaultReference(e) { + return e.propertyName !== undefined && e.propertyName.escapedText === "default" /* InternalSymbolName.Default */; + } + function chainBundle(context, transformSourceFile) { + return transformSourceFileOrBundle; + function transformSourceFileOrBundle(node) { + return node.kind === 305 /* SyntaxKind.SourceFile */ ? transformSourceFile(node) : transformBundle(node); + } + function transformBundle(node) { + return context.factory.createBundle(ts.map(node.sourceFiles, transformSourceFile), node.prepends); + } + } + ts.chainBundle = chainBundle; + function getExportNeedsImportStarHelper(node) { + return !!ts.getNamespaceDeclarationNode(node); + } + ts.getExportNeedsImportStarHelper = getExportNeedsImportStarHelper; + function getImportNeedsImportStarHelper(node) { + if (!!ts.getNamespaceDeclarationNode(node)) { + return true; + } + var bindings = node.importClause && node.importClause.namedBindings; + if (!bindings) { + return false; + } + if (!ts.isNamedImports(bindings)) + return false; + var defaultRefCount = 0; + for (var _i = 0, _a = bindings.elements; _i < _a.length; _i++) { + var binding = _a[_i]; + if (isNamedDefaultReference(binding)) { + defaultRefCount++; + } + } + // Import star is required if there's default named refs mixed with non-default refs, or if theres non-default refs and it has a default import + return (defaultRefCount > 0 && defaultRefCount !== bindings.elements.length) || (!!(bindings.elements.length - defaultRefCount) && ts.isDefaultImport(node)); + } + ts.getImportNeedsImportStarHelper = getImportNeedsImportStarHelper; + function getImportNeedsImportDefaultHelper(node) { + // Import default is needed if there's a default import or a default ref and no other refs (meaning an import star helper wasn't requested) + return !getImportNeedsImportStarHelper(node) && (ts.isDefaultImport(node) || (!!node.importClause && ts.isNamedImports(node.importClause.namedBindings) && containsDefaultReference(node.importClause.namedBindings))); // TODO: GH#18217 + } + ts.getImportNeedsImportDefaultHelper = getImportNeedsImportDefaultHelper; + function collectExternalModuleInfo(context, sourceFile, resolver, compilerOptions) { + var externalImports = []; + var exportSpecifiers = ts.createMultiMap(); + var exportedBindings = []; + var uniqueExports = new ts.Map(); + var exportedNames; + var hasExportDefault = false; + var exportEquals; + var hasExportStarsToExportValues = false; + var hasImportStar = false; + var hasImportDefault = false; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var node = _a[_i]; + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + // import "mod" + // import x from "mod" + // import * as x from "mod" + // import { x, y } from "mod" + externalImports.push(node); + if (!hasImportStar && getImportNeedsImportStarHelper(node)) { + hasImportStar = true; + } + if (!hasImportDefault && getImportNeedsImportDefaultHelper(node)) { + hasImportDefault = true; + } + break; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + if (node.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */) { + // import x = require("mod") + externalImports.push(node); + } + break; + case 272 /* SyntaxKind.ExportDeclaration */: + if (node.moduleSpecifier) { + if (!node.exportClause) { + // export * from "mod" + externalImports.push(node); + hasExportStarsToExportValues = true; + } + else { + // export * as ns from "mod" + // export { x, y } from "mod" + externalImports.push(node); + if (ts.isNamedExports(node.exportClause)) { + addExportedNamesForExportDeclaration(node); + } + else { + var name = node.exportClause.name; + if (!uniqueExports.get(ts.idText(name))) { + multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name); + uniqueExports.set(ts.idText(name), true); + exportedNames = ts.append(exportedNames, name); + } + // we use the same helpers for `export * as ns` as we do for `import * as ns` + hasImportStar = true; + } + } + } + else { + // export { x, y } + addExportedNamesForExportDeclaration(node); + } + break; + case 271 /* SyntaxKind.ExportAssignment */: + if (node.isExportEquals && !exportEquals) { + // export = x + exportEquals = node; + } + break; + case 237 /* SyntaxKind.VariableStatement */: + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + for (var _b = 0, _c = node.declarationList.declarations; _b < _c.length; _b++) { + var decl = _c[_b]; + exportedNames = collectExportedVariableInfo(decl, uniqueExports, exportedNames); + } + } + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + if (ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */)) { + // export default function() { } + if (!hasExportDefault) { + multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), context.factory.getDeclarationName(node)); + hasExportDefault = true; + } + } + else { + // export function x() { } + var name = node.name; + if (!uniqueExports.get(ts.idText(name))) { + multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name); + uniqueExports.set(ts.idText(name), true); + exportedNames = ts.append(exportedNames, name); + } + } + } + break; + case 257 /* SyntaxKind.ClassDeclaration */: + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + if (ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */)) { + // export default class { } + if (!hasExportDefault) { + multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), context.factory.getDeclarationName(node)); + hasExportDefault = true; + } + } + else { + // export class x { } + var name = node.name; + if (name && !uniqueExports.get(ts.idText(name))) { + multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name); + uniqueExports.set(ts.idText(name), true); + exportedNames = ts.append(exportedNames, name); + } + } + } + break; + } + } + var externalHelpersImportDeclaration = ts.createExternalHelpersImportDeclarationIfNeeded(context.factory, context.getEmitHelperFactory(), sourceFile, compilerOptions, hasExportStarsToExportValues, hasImportStar, hasImportDefault); + if (externalHelpersImportDeclaration) { + externalImports.unshift(externalHelpersImportDeclaration); + } + return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues, exportedBindings: exportedBindings, exportedNames: exportedNames, externalHelpersImportDeclaration: externalHelpersImportDeclaration }; + function addExportedNamesForExportDeclaration(node) { + for (var _i = 0, _a = ts.cast(node.exportClause, ts.isNamedExports).elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + if (!uniqueExports.get(ts.idText(specifier.name))) { + var name = specifier.propertyName || specifier.name; + if (!node.moduleSpecifier) { + exportSpecifiers.add(ts.idText(name), specifier); + } + var decl = resolver.getReferencedImportDeclaration(name) + || resolver.getReferencedValueDeclaration(name); + if (decl) { + multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(decl), specifier.name); + } + uniqueExports.set(ts.idText(specifier.name), true); + exportedNames = ts.append(exportedNames, specifier.name); + } + } + } + } + ts.collectExternalModuleInfo = collectExternalModuleInfo; + function collectExportedVariableInfo(decl, uniqueExports, exportedNames) { + if (ts.isBindingPattern(decl.name)) { + for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + exportedNames = collectExportedVariableInfo(element, uniqueExports, exportedNames); + } + } + } + else if (!ts.isGeneratedIdentifier(decl.name)) { + var text = ts.idText(decl.name); + if (!uniqueExports.get(text)) { + uniqueExports.set(text, true); + exportedNames = ts.append(exportedNames, decl.name); + } + } + return exportedNames; + } + /** Use a sparse array as a multi-map. */ + function multiMapSparseArrayAdd(map, key, value) { + var values = map[key]; + if (values) { + values.push(value); + } + else { + map[key] = values = [value]; + } + return values; + } + /** + * Used in the module transformer to check if an expression is reasonably without sideeffect, + * and thus better to copy into multiple places rather than to cache in a temporary variable + * - this is mostly subjective beyond the requirement that the expression not be sideeffecting + */ + function isSimpleCopiableExpression(expression) { + return ts.isStringLiteralLike(expression) || + expression.kind === 8 /* SyntaxKind.NumericLiteral */ || + ts.isKeyword(expression.kind) || + ts.isIdentifier(expression); + } + ts.isSimpleCopiableExpression = isSimpleCopiableExpression; + /** + * A simple inlinable expression is an expression which can be copied into multiple locations + * without risk of repeating any sideeffects and whose value could not possibly change between + * any such locations + */ + function isSimpleInlineableExpression(expression) { + return !ts.isIdentifier(expression) && isSimpleCopiableExpression(expression); + } + ts.isSimpleInlineableExpression = isSimpleInlineableExpression; + function isCompoundAssignment(kind) { + return kind >= 64 /* SyntaxKind.FirstCompoundAssignment */ + && kind <= 78 /* SyntaxKind.LastCompoundAssignment */; + } + ts.isCompoundAssignment = isCompoundAssignment; + function getNonAssignmentOperatorForCompoundAssignment(kind) { + switch (kind) { + case 64 /* SyntaxKind.PlusEqualsToken */: return 39 /* SyntaxKind.PlusToken */; + case 65 /* SyntaxKind.MinusEqualsToken */: return 40 /* SyntaxKind.MinusToken */; + case 66 /* SyntaxKind.AsteriskEqualsToken */: return 41 /* SyntaxKind.AsteriskToken */; + case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */: return 42 /* SyntaxKind.AsteriskAsteriskToken */; + case 68 /* SyntaxKind.SlashEqualsToken */: return 43 /* SyntaxKind.SlashToken */; + case 69 /* SyntaxKind.PercentEqualsToken */: return 44 /* SyntaxKind.PercentToken */; + case 70 /* SyntaxKind.LessThanLessThanEqualsToken */: return 47 /* SyntaxKind.LessThanLessThanToken */; + case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */: return 48 /* SyntaxKind.GreaterThanGreaterThanToken */; + case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */: return 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */; + case 73 /* SyntaxKind.AmpersandEqualsToken */: return 50 /* SyntaxKind.AmpersandToken */; + case 74 /* SyntaxKind.BarEqualsToken */: return 51 /* SyntaxKind.BarToken */; + case 78 /* SyntaxKind.CaretEqualsToken */: return 52 /* SyntaxKind.CaretToken */; + case 75 /* SyntaxKind.BarBarEqualsToken */: return 56 /* SyntaxKind.BarBarToken */; + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: return 55 /* SyntaxKind.AmpersandAmpersandToken */; + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: return 60 /* SyntaxKind.QuestionQuestionToken */; + } + } + ts.getNonAssignmentOperatorForCompoundAssignment = getNonAssignmentOperatorForCompoundAssignment; + /** + * @returns Contained super() call from descending into the statement ignoring parentheses, if that call exists. + */ + function getSuperCallFromStatement(statement) { + if (!ts.isExpressionStatement(statement)) { + return undefined; + } + var expression = ts.skipParentheses(statement.expression); + return ts.isSuperCall(expression) + ? expression + : undefined; + } + ts.getSuperCallFromStatement = getSuperCallFromStatement; + /** + * @returns The index (after prologue statements) of a super call, or -1 if not found. + */ + function findSuperStatementIndex(statements, indexAfterLastPrologueStatement) { + for (var i = indexAfterLastPrologueStatement; i < statements.length; i += 1) { + var statement = statements[i]; + if (getSuperCallFromStatement(statement)) { + return i; + } + } + return -1; + } + ts.findSuperStatementIndex = findSuperStatementIndex; + function getProperties(node, requireInitializer, isStatic) { + return ts.filter(node.members, function (m) { return isInitializedOrStaticProperty(m, requireInitializer, isStatic); }); + } + ts.getProperties = getProperties; + function isStaticPropertyDeclarationOrClassStaticBlockDeclaration(element) { + return isStaticPropertyDeclaration(element) || ts.isClassStaticBlockDeclaration(element); + } + function getStaticPropertiesAndClassStaticBlock(node) { + return ts.filter(node.members, isStaticPropertyDeclarationOrClassStaticBlockDeclaration); + } + ts.getStaticPropertiesAndClassStaticBlock = getStaticPropertiesAndClassStaticBlock; + /** + * Is a class element either a static or an instance property declaration with an initializer? + * + * @param member The class element node. + * @param isStatic A value indicating whether the member should be a static or instance member. + */ + function isInitializedOrStaticProperty(member, requireInitializer, isStatic) { + return ts.isPropertyDeclaration(member) + && (!!member.initializer || !requireInitializer) + && ts.hasStaticModifier(member) === isStatic; + } + function isStaticPropertyDeclaration(member) { + return ts.isPropertyDeclaration(member) && ts.hasStaticModifier(member); + } + /** + * Gets a value indicating whether a class element is either a static or an instance property declaration with an initializer. + * + * @param member The class element node. + * @param isStatic A value indicating whether the member should be a static or instance member. + */ + function isInitializedProperty(member) { + return member.kind === 167 /* SyntaxKind.PropertyDeclaration */ + && member.initializer !== undefined; + } + ts.isInitializedProperty = isInitializedProperty; + /** + * Gets a value indicating whether a class element is a private instance method or accessor. + * + * @param member The class element node. + */ + function isNonStaticMethodOrAccessorWithPrivateName(member) { + return !ts.isStatic(member) && ts.isMethodOrAccessor(member) && ts.isPrivateIdentifier(member.name); + } + ts.isNonStaticMethodOrAccessorWithPrivateName = isNonStaticMethodOrAccessorWithPrivateName; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var FlattenLevel; + (function (FlattenLevel) { + FlattenLevel[FlattenLevel["All"] = 0] = "All"; + FlattenLevel[FlattenLevel["ObjectRest"] = 1] = "ObjectRest"; + })(FlattenLevel = ts.FlattenLevel || (ts.FlattenLevel = {})); + /** + * Flattens a DestructuringAssignment or a VariableDeclaration to an expression. + * + * @param node The node to flatten. + * @param visitor An optional visitor used to visit initializers. + * @param context The transformation context. + * @param level Indicates the extent to which flattening should occur. + * @param needsValue An optional value indicating whether the value from the right-hand-side of + * the destructuring assignment is needed as part of a larger expression. + * @param createAssignmentCallback An optional callback used to create the assignment expression. + */ + function flattenDestructuringAssignment(node, visitor, context, level, needsValue, createAssignmentCallback) { + var location = node; + var value; + if (ts.isDestructuringAssignment(node)) { + value = node.right; + while (ts.isEmptyArrayLiteral(node.left) || ts.isEmptyObjectLiteral(node.left)) { + if (ts.isDestructuringAssignment(value)) { + location = node = value; + value = node.right; + } + else { + return ts.visitNode(value, visitor, ts.isExpression); + } + } + } + var expressions; + var flattenContext = { + context: context, + level: level, + downlevelIteration: !!context.getCompilerOptions().downlevelIteration, + hoistTempVariables: true, + emitExpression: emitExpression, + emitBindingOrAssignment: emitBindingOrAssignment, + createArrayBindingOrAssignmentPattern: function (elements) { return makeArrayAssignmentPattern(context.factory, elements); }, + createObjectBindingOrAssignmentPattern: function (elements) { return makeObjectAssignmentPattern(context.factory, elements); }, + createArrayBindingOrAssignmentElement: makeAssignmentElement, + visitor: visitor + }; + if (value) { + value = ts.visitNode(value, visitor, ts.isExpression); + if (ts.isIdentifier(value) && bindingOrAssignmentElementAssignsToName(node, value.escapedText) || + bindingOrAssignmentElementContainsNonLiteralComputedName(node)) { + // If the right-hand value of the assignment is also an assignment target then + // we need to cache the right-hand value. + value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ false, location); + } + else if (needsValue) { + // If the right-hand value of the destructuring assignment needs to be preserved (as + // is the case when the destructuring assignment is part of a larger expression), + // then we need to cache the right-hand value. + // + // The source map location for the assignment should point to the entire binary + // expression. + value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ true, location); + } + else if (ts.nodeIsSynthesized(node)) { + // Generally, the source map location for a destructuring assignment is the root + // expression. + // + // However, if the root expression is synthesized (as in the case + // of the initializer when transforming a ForOfStatement), then the source map + // location should point to the right-hand value of the expression. + location = value; + } + } + flattenBindingOrAssignmentElement(flattenContext, node, value, location, /*skipInitializer*/ ts.isDestructuringAssignment(node)); + if (value && needsValue) { + if (!ts.some(expressions)) { + return value; + } + expressions.push(value); + } + return context.factory.inlineExpressions(expressions) || context.factory.createOmittedExpression(); + function emitExpression(expression) { + expressions = ts.append(expressions, expression); + } + function emitBindingOrAssignment(target, value, location, original) { + ts.Debug.assertNode(target, createAssignmentCallback ? ts.isIdentifier : ts.isExpression); + var expression = createAssignmentCallback + ? createAssignmentCallback(target, value, location) + : ts.setTextRange(context.factory.createAssignment(ts.visitNode(target, visitor, ts.isExpression), value), location); + expression.original = original; + emitExpression(expression); + } + } + ts.flattenDestructuringAssignment = flattenDestructuringAssignment; + function bindingOrAssignmentElementAssignsToName(element, escapedName) { + var target = ts.getTargetOfBindingOrAssignmentElement(element); // TODO: GH#18217 + if (ts.isBindingOrAssignmentPattern(target)) { + return bindingOrAssignmentPatternAssignsToName(target, escapedName); + } + else if (ts.isIdentifier(target)) { + return target.escapedText === escapedName; + } + return false; + } + function bindingOrAssignmentPatternAssignsToName(pattern, escapedName) { + var elements = ts.getElementsOfBindingOrAssignmentPattern(pattern); + for (var _i = 0, elements_4 = elements; _i < elements_4.length; _i++) { + var element = elements_4[_i]; + if (bindingOrAssignmentElementAssignsToName(element, escapedName)) { + return true; + } + } + return false; + } + function bindingOrAssignmentElementContainsNonLiteralComputedName(element) { + var propertyName = ts.tryGetPropertyNameOfBindingOrAssignmentElement(element); + if (propertyName && ts.isComputedPropertyName(propertyName) && !ts.isLiteralExpression(propertyName.expression)) { + return true; + } + var target = ts.getTargetOfBindingOrAssignmentElement(element); + return !!target && ts.isBindingOrAssignmentPattern(target) && bindingOrAssignmentPatternContainsNonLiteralComputedName(target); + } + function bindingOrAssignmentPatternContainsNonLiteralComputedName(pattern) { + return !!ts.forEach(ts.getElementsOfBindingOrAssignmentPattern(pattern), bindingOrAssignmentElementContainsNonLiteralComputedName); + } + /** + * Flattens a VariableDeclaration or ParameterDeclaration to one or more variable declarations. + * + * @param node The node to flatten. + * @param visitor An optional visitor used to visit initializers. + * @param context The transformation context. + * @param boundValue The value bound to the declaration. + * @param skipInitializer A value indicating whether to ignore the initializer of `node`. + * @param hoistTempVariables Indicates whether temporary variables should not be recorded in-line. + * @param level Indicates the extent to which flattening should occur. + */ + function flattenDestructuringBinding(node, visitor, context, level, rval, hoistTempVariables, skipInitializer) { + if (hoistTempVariables === void 0) { hoistTempVariables = false; } + var pendingExpressions; + var pendingDeclarations = []; + var declarations = []; + var flattenContext = { + context: context, + level: level, + downlevelIteration: !!context.getCompilerOptions().downlevelIteration, + hoistTempVariables: hoistTempVariables, + emitExpression: emitExpression, + emitBindingOrAssignment: emitBindingOrAssignment, + createArrayBindingOrAssignmentPattern: function (elements) { return makeArrayBindingPattern(context.factory, elements); }, + createObjectBindingOrAssignmentPattern: function (elements) { return makeObjectBindingPattern(context.factory, elements); }, + createArrayBindingOrAssignmentElement: function (name) { return makeBindingElement(context.factory, name); }, + visitor: visitor + }; + if (ts.isVariableDeclaration(node)) { + var initializer = ts.getInitializerOfBindingOrAssignmentElement(node); + if (initializer && (ts.isIdentifier(initializer) && bindingOrAssignmentElementAssignsToName(node, initializer.escapedText) || + bindingOrAssignmentElementContainsNonLiteralComputedName(node))) { + // If the right-hand value of the assignment is also an assignment target then + // we need to cache the right-hand value. + initializer = ensureIdentifier(flattenContext, ts.visitNode(initializer, flattenContext.visitor), /*reuseIdentifierExpressions*/ false, initializer); + node = context.factory.updateVariableDeclaration(node, node.name, /*exclamationToken*/ undefined, /*type*/ undefined, initializer); + } + } + flattenBindingOrAssignmentElement(flattenContext, node, rval, node, skipInitializer); + if (pendingExpressions) { + var temp = context.factory.createTempVariable(/*recordTempVariable*/ undefined); + if (hoistTempVariables) { + var value = context.factory.inlineExpressions(pendingExpressions); + pendingExpressions = undefined; + emitBindingOrAssignment(temp, value, /*location*/ undefined, /*original*/ undefined); + } + else { + context.hoistVariableDeclaration(temp); + var pendingDeclaration = ts.last(pendingDeclarations); + pendingDeclaration.pendingExpressions = ts.append(pendingDeclaration.pendingExpressions, context.factory.createAssignment(temp, pendingDeclaration.value)); + ts.addRange(pendingDeclaration.pendingExpressions, pendingExpressions); + pendingDeclaration.value = temp; + } + } + for (var _i = 0, pendingDeclarations_1 = pendingDeclarations; _i < pendingDeclarations_1.length; _i++) { + var _a = pendingDeclarations_1[_i], pendingExpressions_1 = _a.pendingExpressions, name = _a.name, value = _a.value, location = _a.location, original = _a.original; + var variable = context.factory.createVariableDeclaration(name, + /*exclamationToken*/ undefined, + /*type*/ undefined, pendingExpressions_1 ? context.factory.inlineExpressions(ts.append(pendingExpressions_1, value)) : value); + variable.original = original; + ts.setTextRange(variable, location); + declarations.push(variable); + } + return declarations; + function emitExpression(value) { + pendingExpressions = ts.append(pendingExpressions, value); + } + function emitBindingOrAssignment(target, value, location, original) { + ts.Debug.assertNode(target, ts.isBindingName); + if (pendingExpressions) { + value = context.factory.inlineExpressions(ts.append(pendingExpressions, value)); + pendingExpressions = undefined; + } + pendingDeclarations.push({ pendingExpressions: pendingExpressions, name: target, value: value, location: location, original: original }); + } + } + ts.flattenDestructuringBinding = flattenDestructuringBinding; + /** + * Flattens a BindingOrAssignmentElement into zero or more bindings or assignments. + * + * @param flattenContext Options used to control flattening. + * @param element The element to flatten. + * @param value The current RHS value to assign to the element. + * @param location The location to use for source maps and comments. + * @param skipInitializer An optional value indicating whether to include the initializer + * for the element. + */ + function flattenBindingOrAssignmentElement(flattenContext, element, value, location, skipInitializer) { + var bindingTarget = ts.getTargetOfBindingOrAssignmentElement(element); // TODO: GH#18217 + if (!skipInitializer) { + var initializer = ts.visitNode(ts.getInitializerOfBindingOrAssignmentElement(element), flattenContext.visitor, ts.isExpression); + if (initializer) { + // Combine value and initializer + if (value) { + value = createDefaultValueCheck(flattenContext, value, initializer, location); + // If 'value' is not a simple expression, it could contain side-effecting code that should evaluate before an object or array binding pattern. + if (!ts.isSimpleInlineableExpression(initializer) && ts.isBindingOrAssignmentPattern(bindingTarget)) { + value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ true, location); + } + } + else { + value = initializer; + } + } + else if (!value) { + // Use 'void 0' in absence of value and initializer + value = flattenContext.context.factory.createVoidZero(); + } + } + if (ts.isObjectBindingOrAssignmentPattern(bindingTarget)) { + flattenObjectBindingOrAssignmentPattern(flattenContext, element, bindingTarget, value, location); + } + else if (ts.isArrayBindingOrAssignmentPattern(bindingTarget)) { + flattenArrayBindingOrAssignmentPattern(flattenContext, element, bindingTarget, value, location); + } + else { + flattenContext.emitBindingOrAssignment(bindingTarget, value, location, /*original*/ element); // TODO: GH#18217 + } + } + /** + * Flattens an ObjectBindingOrAssignmentPattern into zero or more bindings or assignments. + * + * @param flattenContext Options used to control flattening. + * @param parent The parent element of the pattern. + * @param pattern The ObjectBindingOrAssignmentPattern to flatten. + * @param value The current RHS value to assign to the element. + * @param location The location to use for source maps and comments. + */ + function flattenObjectBindingOrAssignmentPattern(flattenContext, parent, pattern, value, location) { + var elements = ts.getElementsOfBindingOrAssignmentPattern(pattern); + var numElements = elements.length; + if (numElements !== 1) { + // For anything other than a single-element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. Additionally, if we have zero elements + // we need to emit *something* to ensure that in case a 'var' keyword was already emitted, + // so in that case, we'll intentionally create that temporary. + var reuseIdentifierExpressions = !ts.isDeclarationBindingElement(parent) || numElements !== 0; + value = ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location); + } + var bindingElements; + var computedTempVariables; + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (!ts.getRestIndicatorOfBindingOrAssignmentElement(element)) { + var propertyName = ts.getPropertyNameOfBindingOrAssignmentElement(element); + if (flattenContext.level >= 1 /* FlattenLevel.ObjectRest */ + && !(element.transformFlags & (16384 /* TransformFlags.ContainsRestOrSpread */ | 32768 /* TransformFlags.ContainsObjectRestOrSpread */)) + && !(ts.getTargetOfBindingOrAssignmentElement(element).transformFlags & (16384 /* TransformFlags.ContainsRestOrSpread */ | 32768 /* TransformFlags.ContainsObjectRestOrSpread */)) + && !ts.isComputedPropertyName(propertyName)) { + bindingElements = ts.append(bindingElements, ts.visitNode(element, flattenContext.visitor)); + } + else { + if (bindingElements) { + flattenContext.emitBindingOrAssignment(flattenContext.createObjectBindingOrAssignmentPattern(bindingElements), value, location, pattern); + bindingElements = undefined; + } + var rhsValue = createDestructuringPropertyAccess(flattenContext, value, propertyName); + if (ts.isComputedPropertyName(propertyName)) { + computedTempVariables = ts.append(computedTempVariables, rhsValue.argumentExpression); + } + flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, /*location*/ element); + } + } + else if (i === numElements - 1) { + if (bindingElements) { + flattenContext.emitBindingOrAssignment(flattenContext.createObjectBindingOrAssignmentPattern(bindingElements), value, location, pattern); + bindingElements = undefined; + } + var rhsValue = flattenContext.context.getEmitHelperFactory().createRestHelper(value, elements, computedTempVariables, pattern); + flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, element); + } + } + if (bindingElements) { + flattenContext.emitBindingOrAssignment(flattenContext.createObjectBindingOrAssignmentPattern(bindingElements), value, location, pattern); + } + } + /** + * Flattens an ArrayBindingOrAssignmentPattern into zero or more bindings or assignments. + * + * @param flattenContext Options used to control flattening. + * @param parent The parent element of the pattern. + * @param pattern The ArrayBindingOrAssignmentPattern to flatten. + * @param value The current RHS value to assign to the element. + * @param location The location to use for source maps and comments. + */ + function flattenArrayBindingOrAssignmentPattern(flattenContext, parent, pattern, value, location) { + var elements = ts.getElementsOfBindingOrAssignmentPattern(pattern); + var numElements = elements.length; + if (flattenContext.level < 1 /* FlattenLevel.ObjectRest */ && flattenContext.downlevelIteration) { + // Read the elements of the iterable into an array + value = ensureIdentifier(flattenContext, ts.setTextRange(flattenContext.context.getEmitHelperFactory().createReadHelper(value, numElements > 0 && ts.getRestIndicatorOfBindingOrAssignmentElement(elements[numElements - 1]) + ? undefined + : numElements), location), + /*reuseIdentifierExpressions*/ false, location); + } + else if (numElements !== 1 && (flattenContext.level < 1 /* FlattenLevel.ObjectRest */ || numElements === 0) + || ts.every(elements, ts.isOmittedExpression)) { + // For anything other than a single-element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. Additionally, if we have zero elements + // we need to emit *something* to ensure that in case a 'var' keyword was already emitted, + // so in that case, we'll intentionally create that temporary. + // Or all the elements of the binding pattern are omitted expression such as "var [,] = [1,2]", + // then we will create temporary variable. + var reuseIdentifierExpressions = !ts.isDeclarationBindingElement(parent) || numElements !== 0; + value = ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location); + } + var bindingElements; + var restContainingElements; + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (flattenContext.level >= 1 /* FlattenLevel.ObjectRest */) { + // If an array pattern contains an ObjectRest, we must cache the result so that we + // can perform the ObjectRest destructuring in a different declaration + if (element.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */ || flattenContext.hasTransformedPriorElement && !isSimpleBindingOrAssignmentElement(element)) { + flattenContext.hasTransformedPriorElement = true; + var temp = flattenContext.context.factory.createTempVariable(/*recordTempVariable*/ undefined); + if (flattenContext.hoistTempVariables) { + flattenContext.context.hoistVariableDeclaration(temp); + } + restContainingElements = ts.append(restContainingElements, [temp, element]); + bindingElements = ts.append(bindingElements, flattenContext.createArrayBindingOrAssignmentElement(temp)); + } + else { + bindingElements = ts.append(bindingElements, element); + } + } + else if (ts.isOmittedExpression(element)) { + continue; + } + else if (!ts.getRestIndicatorOfBindingOrAssignmentElement(element)) { + var rhsValue = flattenContext.context.factory.createElementAccessExpression(value, i); + flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, /*location*/ element); + } + else if (i === numElements - 1) { + var rhsValue = flattenContext.context.factory.createArraySliceCall(value, i); + flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, /*location*/ element); + } + } + if (bindingElements) { + flattenContext.emitBindingOrAssignment(flattenContext.createArrayBindingOrAssignmentPattern(bindingElements), value, location, pattern); + } + if (restContainingElements) { + for (var _i = 0, restContainingElements_1 = restContainingElements; _i < restContainingElements_1.length; _i++) { + var _a = restContainingElements_1[_i], id = _a[0], element = _a[1]; + flattenBindingOrAssignmentElement(flattenContext, element, id, element); + } + } + } + function isSimpleBindingOrAssignmentElement(element) { + var target = ts.getTargetOfBindingOrAssignmentElement(element); + if (!target || ts.isOmittedExpression(target)) + return true; + var propertyName = ts.tryGetPropertyNameOfBindingOrAssignmentElement(element); + if (propertyName && !ts.isPropertyNameLiteral(propertyName)) + return false; + var initializer = ts.getInitializerOfBindingOrAssignmentElement(element); + if (initializer && !ts.isSimpleInlineableExpression(initializer)) + return false; + if (ts.isBindingOrAssignmentPattern(target)) + return ts.every(ts.getElementsOfBindingOrAssignmentPattern(target), isSimpleBindingOrAssignmentElement); + return ts.isIdentifier(target); + } + /** + * Creates an expression used to provide a default value if a value is `undefined` at runtime. + * + * @param flattenContext Options used to control flattening. + * @param value The RHS value to test. + * @param defaultValue The default value to use if `value` is `undefined` at runtime. + * @param location The location to use for source maps and comments. + */ + function createDefaultValueCheck(flattenContext, value, defaultValue, location) { + value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ true, location); + return flattenContext.context.factory.createConditionalExpression(flattenContext.context.factory.createTypeCheck(value, "undefined"), /*questionToken*/ undefined, defaultValue, /*colonToken*/ undefined, value); + } + /** + * Creates either a PropertyAccessExpression or an ElementAccessExpression for the + * right-hand side of a transformed destructuring assignment. + * + * @link https://tc39.github.io/ecma262/#sec-runtime-semantics-keyeddestructuringassignmentevaluation + * + * @param flattenContext Options used to control flattening. + * @param value The RHS value that is the source of the property. + * @param propertyName The destructuring property name. + */ + function createDestructuringPropertyAccess(flattenContext, value, propertyName) { + if (ts.isComputedPropertyName(propertyName)) { + var argumentExpression = ensureIdentifier(flattenContext, ts.visitNode(propertyName.expression, flattenContext.visitor), /*reuseIdentifierExpressions*/ false, /*location*/ propertyName); + return flattenContext.context.factory.createElementAccessExpression(value, argumentExpression); + } + else if (ts.isStringOrNumericLiteralLike(propertyName)) { + var argumentExpression = ts.factory.cloneNode(propertyName); + return flattenContext.context.factory.createElementAccessExpression(value, argumentExpression); + } + else { + var name = flattenContext.context.factory.createIdentifier(ts.idText(propertyName)); + return flattenContext.context.factory.createPropertyAccessExpression(value, name); + } + } + /** + * Ensures that there exists a declared identifier whose value holds the given expression. + * This function is useful to ensure that the expression's value can be read from in subsequent expressions. + * Unless 'reuseIdentifierExpressions' is false, 'value' will be returned if it is just an identifier. + * + * @param flattenContext Options used to control flattening. + * @param value the expression whose value needs to be bound. + * @param reuseIdentifierExpressions true if identifier expressions can simply be returned; + * false if it is necessary to always emit an identifier. + * @param location The location to use for source maps and comments. + */ + function ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location) { + if (ts.isIdentifier(value) && reuseIdentifierExpressions) { + return value; + } + else { + var temp = flattenContext.context.factory.createTempVariable(/*recordTempVariable*/ undefined); + if (flattenContext.hoistTempVariables) { + flattenContext.context.hoistVariableDeclaration(temp); + flattenContext.emitExpression(ts.setTextRange(flattenContext.context.factory.createAssignment(temp, value), location)); + } + else { + flattenContext.emitBindingOrAssignment(temp, value, location, /*original*/ undefined); + } + return temp; + } + } + function makeArrayBindingPattern(factory, elements) { + ts.Debug.assertEachNode(elements, ts.isArrayBindingElement); + return factory.createArrayBindingPattern(elements); + } + function makeArrayAssignmentPattern(factory, elements) { + return factory.createArrayLiteralExpression(ts.map(elements, factory.converters.convertToArrayAssignmentElement)); + } + function makeObjectBindingPattern(factory, elements) { + ts.Debug.assertEachNode(elements, ts.isBindingElement); + return factory.createObjectBindingPattern(elements); + } + function makeObjectAssignmentPattern(factory, elements) { + return factory.createObjectLiteralExpression(ts.map(elements, factory.converters.convertToObjectAssignmentElement)); + } + function makeBindingElement(factory, name) { + return factory.createBindingElement(/*dotDotDotToken*/ undefined, /*propertyName*/ undefined, name); + } + function makeAssignmentElement(name) { + return name; + } +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var ProcessLevel; + (function (ProcessLevel) { + ProcessLevel[ProcessLevel["LiftRestriction"] = 0] = "LiftRestriction"; + ProcessLevel[ProcessLevel["All"] = 1] = "All"; + })(ProcessLevel = ts.ProcessLevel || (ts.ProcessLevel = {})); + function processTaggedTemplateExpression(context, node, visitor, currentSourceFile, recordTaggedTemplateString, level) { + // Visit the tag expression + var tag = ts.visitNode(node.tag, visitor, ts.isExpression); + // Build up the template arguments and the raw and cooked strings for the template. + // We start out with 'undefined' for the first argument and revisit later + // to avoid walking over the template string twice and shifting all our arguments over after the fact. + var templateArguments = [undefined]; + var cookedStrings = []; + var rawStrings = []; + var template = node.template; + if (level === ProcessLevel.LiftRestriction && !ts.hasInvalidEscape(template)) { + return ts.visitEachChild(node, visitor, context); + } + if (ts.isNoSubstitutionTemplateLiteral(template)) { + cookedStrings.push(createTemplateCooked(template)); + rawStrings.push(getRawLiteral(template, currentSourceFile)); + } + else { + cookedStrings.push(createTemplateCooked(template.head)); + rawStrings.push(getRawLiteral(template.head, currentSourceFile)); + for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { + var templateSpan = _a[_i]; + cookedStrings.push(createTemplateCooked(templateSpan.literal)); + rawStrings.push(getRawLiteral(templateSpan.literal, currentSourceFile)); + templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); + } + } + var helperCall = context.getEmitHelperFactory().createTemplateObjectHelper(ts.factory.createArrayLiteralExpression(cookedStrings), ts.factory.createArrayLiteralExpression(rawStrings)); + // Create a variable to cache the template object if we're in a module. + // Do not do this in the global scope, as any variable we currently generate could conflict with + // variables from outside of the current compilation. In the future, we can revisit this behavior. + if (ts.isExternalModule(currentSourceFile)) { + var tempVar = ts.factory.createUniqueName("templateObject"); + recordTaggedTemplateString(tempVar); + templateArguments[0] = ts.factory.createLogicalOr(tempVar, ts.factory.createAssignment(tempVar, helperCall)); + } + else { + templateArguments[0] = helperCall; + } + return ts.factory.createCallExpression(tag, /*typeArguments*/ undefined, templateArguments); + } + ts.processTaggedTemplateExpression = processTaggedTemplateExpression; + function createTemplateCooked(template) { + return template.templateFlags ? ts.factory.createVoidZero() : ts.factory.createStringLiteral(template.text); + } + /** + * Creates an ES5 compatible literal from an ES6 template literal. + * + * @param node The ES6 template literal. + */ + function getRawLiteral(node, currentSourceFile) { + // Find original source text, since we need to emit the raw strings of the tagged template. + // The raw strings contain the (escaped) strings of what the user wrote. + // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". + var text = node.rawText; + if (text === undefined) { + ts.Debug.assertIsDefined(currentSourceFile, "Template literal node is missing 'rawText' and does not have a source file. Possibly bad transform."); + text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); + // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), + // thus we need to remove those characters. + // First template piece starts with "`", others with "}" + // Last template piece ends with "`", others with "${" + var isLast = node.kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ || node.kind === 17 /* SyntaxKind.TemplateTail */; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + } + // Newline normalization: + // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's + // and LineTerminatorSequences are normalized to for both TV and TRV. + text = text.replace(/\r\n?/g, "\n"); + return ts.setTextRange(ts.factory.createStringLiteral(text), node); + } +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + /** + * Indicates whether to emit type metadata in the new format. + */ + var USE_NEW_TYPE_METADATA_FORMAT = false; + var TypeScriptSubstitutionFlags; + (function (TypeScriptSubstitutionFlags) { + /** Enables substitutions for decorated classes. */ + TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["ClassAliases"] = 1] = "ClassAliases"; + /** Enables substitutions for namespace exports. */ + TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NamespaceExports"] = 2] = "NamespaceExports"; + /* Enables substitutions for unqualified enum members */ + TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NonQualifiedEnumMembers"] = 8] = "NonQualifiedEnumMembers"; + })(TypeScriptSubstitutionFlags || (TypeScriptSubstitutionFlags = {})); + var ClassFacts; + (function (ClassFacts) { + ClassFacts[ClassFacts["None"] = 0] = "None"; + ClassFacts[ClassFacts["HasStaticInitializedProperties"] = 1] = "HasStaticInitializedProperties"; + ClassFacts[ClassFacts["HasConstructorDecorators"] = 2] = "HasConstructorDecorators"; + ClassFacts[ClassFacts["HasMemberDecorators"] = 4] = "HasMemberDecorators"; + ClassFacts[ClassFacts["IsExportOfNamespace"] = 8] = "IsExportOfNamespace"; + ClassFacts[ClassFacts["IsNamedExternalExport"] = 16] = "IsNamedExternalExport"; + ClassFacts[ClassFacts["IsDefaultExternalExport"] = 32] = "IsDefaultExternalExport"; + ClassFacts[ClassFacts["IsDerivedClass"] = 64] = "IsDerivedClass"; + ClassFacts[ClassFacts["UseImmediatelyInvokedFunctionExpression"] = 128] = "UseImmediatelyInvokedFunctionExpression"; + ClassFacts[ClassFacts["HasAnyDecorators"] = 6] = "HasAnyDecorators"; + ClassFacts[ClassFacts["NeedsName"] = 5] = "NeedsName"; + ClassFacts[ClassFacts["MayNeedImmediatelyInvokedFunctionExpression"] = 7] = "MayNeedImmediatelyInvokedFunctionExpression"; + ClassFacts[ClassFacts["IsExported"] = 56] = "IsExported"; + })(ClassFacts || (ClassFacts = {})); + function transformTypeScript(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory, startLexicalEnvironment = context.startLexicalEnvironment, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var strictNullChecks = ts.getStrictOptionValue(compilerOptions, "strictNullChecks"); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + // Save the previous transformation hooks. + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + // Set new transformation hooks. + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + // Enable substitution for property/element access to emit const enum values. + context.enableSubstitution(206 /* SyntaxKind.PropertyAccessExpression */); + context.enableSubstitution(207 /* SyntaxKind.ElementAccessExpression */); + // These variables contain state that changes as we descend into the tree. + var currentSourceFile; + var currentNamespace; + var currentNamespaceContainerName; + var currentLexicalScope; + var currentNameScope; + var currentScopeFirstDeclarationsOfName; + var currentClassHasParameterProperties; + /** + * Keeps track of whether expression substitution has been enabled for specific edge cases. + * They are persisted between each SourceFile transformation and should not be reset. + */ + var enabledSubstitutions; + /** + * A map that keeps track of aliases created for classes with decorators to avoid issues + * with the double-binding behavior of classes. + */ + var classAliases; + /** + * Keeps track of whether we are within any containing namespaces when performing + * just-in-time substitution while printing an expression identifier. + */ + var applicableSubstitutions; + return transformSourceFileOrBundle; + function transformSourceFileOrBundle(node) { + if (node.kind === 306 /* SyntaxKind.Bundle */) { + return transformBundle(node); + } + return transformSourceFile(node); + } + function transformBundle(node) { + return factory.createBundle(node.sourceFiles.map(transformSourceFile), ts.mapDefined(node.prepends, function (prepend) { + if (prepend.kind === 308 /* SyntaxKind.InputFiles */) { + return ts.createUnparsedSourceFile(prepend, "js"); + } + return prepend; + })); + } + /** + * Transform TypeScript-specific syntax in a SourceFile. + * + * @param node A SourceFile node. + */ + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + currentSourceFile = node; + var visited = saveStateAndInvoke(node, visitSourceFile); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + currentSourceFile = undefined; + return visited; + } + /** + * Visits a node, saving and restoring state variables on the stack. + * + * @param node The node to visit. + */ + function saveStateAndInvoke(node, f) { + // Save state + var savedCurrentScope = currentLexicalScope; + var savedCurrentNameScope = currentNameScope; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; + var savedCurrentClassHasParameterProperties = currentClassHasParameterProperties; + // Handle state changes before visiting a node. + onBeforeVisitNode(node); + var visited = f(node); + // Restore state + if (currentLexicalScope !== savedCurrentScope) { + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + } + currentLexicalScope = savedCurrentScope; + currentNameScope = savedCurrentNameScope; + currentClassHasParameterProperties = savedCurrentClassHasParameterProperties; + return visited; + } + /** + * Performs actions that should always occur immediately before visiting a node. + * + * @param node The node to visit. + */ + function onBeforeVisitNode(node) { + switch (node.kind) { + case 305 /* SyntaxKind.SourceFile */: + case 263 /* SyntaxKind.CaseBlock */: + case 262 /* SyntaxKind.ModuleBlock */: + case 235 /* SyntaxKind.Block */: + currentLexicalScope = node; + currentNameScope = undefined; + currentScopeFirstDeclarationsOfName = undefined; + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + if (ts.hasSyntacticModifier(node, 2 /* ModifierFlags.Ambient */)) { + break; + } + // Record these declarations provided that they have a name. + if (node.name) { + recordEmittedDeclarationInScope(node); + } + else { + // These nodes should always have names unless they are default-exports; + // however, class declaration parsing allows for undefined names, so syntactically invalid + // programs may also have an undefined name. + ts.Debug.assert(node.kind === 257 /* SyntaxKind.ClassDeclaration */ || ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */)); + } + if (ts.isClassDeclaration(node)) { + // XXX: should probably also cover interfaces and type aliases that can have type variables? + currentNameScope = node; + } + break; + } + } + /** + * General-purpose node visitor. + * + * @param node The node to visit. + */ + function visitor(node) { + return saveStateAndInvoke(node, visitorWorker); + } + /** + * Visits and possibly transforms any node. + * + * @param node The node to visit. + */ + function visitorWorker(node) { + if (node.transformFlags & 1 /* TransformFlags.ContainsTypeScript */) { + return visitTypeScript(node); + } + return node; + } + /** + * Specialized visitor that visits the immediate children of a SourceFile. + * + * @param node The node to visit. + */ + function sourceElementVisitor(node) { + return saveStateAndInvoke(node, sourceElementVisitorWorker); + } + /** + * Specialized visitor that visits the immediate children of a SourceFile. + * + * @param node The node to visit. + */ + function sourceElementVisitorWorker(node) { + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 271 /* SyntaxKind.ExportAssignment */: + case 272 /* SyntaxKind.ExportDeclaration */: + return visitElidableStatement(node); + default: + return visitorWorker(node); + } + } + function visitElidableStatement(node) { + var parsed = ts.getParseTreeNode(node); + if (parsed !== node) { + // If the node has been transformed by a `before` transformer, perform no ellision on it + // As the type information we would attempt to lookup to perform ellision is potentially unavailable for the synthesized nodes + // We do not reuse `visitorWorker`, as the ellidable statement syntax kinds are technically unrecognized by the switch-case in `visitTypeScript`, + // and will trigger debug failures when debug verbosity is turned up + if (node.transformFlags & 1 /* TransformFlags.ContainsTypeScript */) { + // This node contains TypeScript, so we should visit its children. + return ts.visitEachChild(node, visitor, context); + } + // Otherwise, we can just return the node + return node; + } + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + return visitImportDeclaration(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 271 /* SyntaxKind.ExportAssignment */: + return visitExportAssignment(node); + case 272 /* SyntaxKind.ExportDeclaration */: + return visitExportDeclaration(node); + default: + ts.Debug.fail("Unhandled ellided statement"); + } + } + /** + * Specialized visitor that visits the immediate children of a namespace. + * + * @param node The node to visit. + */ + function namespaceElementVisitor(node) { + return saveStateAndInvoke(node, namespaceElementVisitorWorker); + } + /** + * Specialized visitor that visits the immediate children of a namespace. + * + * @param node The node to visit. + */ + function namespaceElementVisitorWorker(node) { + if (node.kind === 272 /* SyntaxKind.ExportDeclaration */ || + node.kind === 266 /* SyntaxKind.ImportDeclaration */ || + node.kind === 267 /* SyntaxKind.ImportClause */ || + (node.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ && + node.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */)) { + // do not emit ES6 imports and exports since they are illegal inside a namespace + return undefined; + } + else if (node.transformFlags & 1 /* TransformFlags.ContainsTypeScript */ || ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + return visitTypeScript(node); + } + return node; + } + /** + * Specialized visitor that visits the immediate children of a class with TypeScript syntax. + * + * @param node The node to visit. + */ + function classElementVisitor(node) { + return saveStateAndInvoke(node, classElementVisitorWorker); + } + /** + * Specialized visitor that visits the immediate children of a class with TypeScript syntax. + * + * @param node The node to visit. + */ + function classElementVisitorWorker(node) { + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + return visitConstructor(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + // Property declarations are not TypeScript syntax, but they must be visited + // for the decorator transformation. + return visitPropertyDeclaration(node); + case 176 /* SyntaxKind.IndexSignature */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + // Fallback to the default visit behavior. + return visitorWorker(node); + case 234 /* SyntaxKind.SemicolonClassElement */: + return node; + default: + return ts.Debug.failBadSyntaxKind(node); + } + } + function modifierVisitor(node) { + if (ts.modifierToFlag(node.kind) & 116958 /* ModifierFlags.TypeScriptModifier */) { + return undefined; + } + else if (currentNamespace && node.kind === 93 /* SyntaxKind.ExportKeyword */) { + return undefined; + } + return node; + } + /** + * Branching visitor, visits a TypeScript syntax node. + * + * @param node The node to visit. + */ + function visitTypeScript(node) { + if (ts.isStatement(node) && ts.hasSyntacticModifier(node, 2 /* ModifierFlags.Ambient */)) { + // TypeScript ambient declarations are elided, but some comments may be preserved. + // See the implementation of `getLeadingComments` in comments.ts for more details. + return factory.createNotEmittedStatement(node); + } + switch (node.kind) { + case 93 /* SyntaxKind.ExportKeyword */: + case 88 /* SyntaxKind.DefaultKeyword */: + // ES6 export and default modifiers are elided when inside a namespace. + return currentNamespace ? undefined : node; + case 123 /* SyntaxKind.PublicKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 126 /* SyntaxKind.AbstractKeyword */: + case 159 /* SyntaxKind.OverrideKeyword */: + case 85 /* SyntaxKind.ConstKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 145 /* SyntaxKind.ReadonlyKeyword */: + case 101 /* SyntaxKind.InKeyword */: + case 144 /* SyntaxKind.OutKeyword */: + // TypeScript accessibility and readonly modifiers are elided + // falls through + case 183 /* SyntaxKind.ArrayType */: + case 184 /* SyntaxKind.TupleType */: + case 185 /* SyntaxKind.OptionalType */: + case 186 /* SyntaxKind.RestType */: + case 182 /* SyntaxKind.TypeLiteral */: + case 177 /* SyntaxKind.TypePredicate */: + case 163 /* SyntaxKind.TypeParameter */: + case 130 /* SyntaxKind.AnyKeyword */: + case 155 /* SyntaxKind.UnknownKeyword */: + case 133 /* SyntaxKind.BooleanKeyword */: + case 150 /* SyntaxKind.StringKeyword */: + case 147 /* SyntaxKind.NumberKeyword */: + case 143 /* SyntaxKind.NeverKeyword */: + case 114 /* SyntaxKind.VoidKeyword */: + case 151 /* SyntaxKind.SymbolKeyword */: + case 180 /* SyntaxKind.ConstructorType */: + case 179 /* SyntaxKind.FunctionType */: + case 181 /* SyntaxKind.TypeQuery */: + case 178 /* SyntaxKind.TypeReference */: + case 187 /* SyntaxKind.UnionType */: + case 188 /* SyntaxKind.IntersectionType */: + case 189 /* SyntaxKind.ConditionalType */: + case 191 /* SyntaxKind.ParenthesizedType */: + case 192 /* SyntaxKind.ThisType */: + case 193 /* SyntaxKind.TypeOperator */: + case 194 /* SyntaxKind.IndexedAccessType */: + case 195 /* SyntaxKind.MappedType */: + case 196 /* SyntaxKind.LiteralType */: + // TypeScript type nodes are elided. + // falls through + case 176 /* SyntaxKind.IndexSignature */: + // TypeScript index signatures are elided. + // falls through + case 165 /* SyntaxKind.Decorator */: + // TypeScript decorators are elided. They will be emitted as part of visitClassDeclaration. + return undefined; + case 259 /* SyntaxKind.TypeAliasDeclaration */: + // TypeScript type-only declarations are elided. + return factory.createNotEmittedStatement(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + // TypeScript property declarations are elided. However their names are still visited, and can potentially be retained if they could have sideeffects + return visitPropertyDeclaration(node); + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + // TypeScript namespace export declarations are elided. + return undefined; + case 171 /* SyntaxKind.Constructor */: + return visitConstructor(node); + case 258 /* SyntaxKind.InterfaceDeclaration */: + // TypeScript interfaces are elided, but some comments may be preserved. + // See the implementation of `getLeadingComments` in comments.ts for more details. + return factory.createNotEmittedStatement(node); + case 257 /* SyntaxKind.ClassDeclaration */: + // This may be a class declaration with TypeScript syntax extensions. + // + // TypeScript class syntax extensions include: + // - decorators + // - optional `implements` heritage clause + // - parameter property assignments in the constructor + // - index signatures + // - method overload signatures + return visitClassDeclaration(node); + case 226 /* SyntaxKind.ClassExpression */: + // This may be a class expression with TypeScript syntax extensions. + // + // TypeScript class syntax extensions include: + // - decorators + // - optional `implements` heritage clause + // - parameter property assignments in the constructor + // - index signatures + // - method overload signatures + return visitClassExpression(node); + case 291 /* SyntaxKind.HeritageClause */: + // This may be a heritage clause with TypeScript syntax extensions. + // + // TypeScript heritage clause extensions include: + // - `implements` clause + return visitHeritageClause(node); + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + // TypeScript supports type arguments on an expression in an `extends` heritage clause. + return visitExpressionWithTypeArguments(node); + case 169 /* SyntaxKind.MethodDeclaration */: + // TypeScript method declarations may have decorators, modifiers + // or type annotations. + return visitMethodDeclaration(node); + case 172 /* SyntaxKind.GetAccessor */: + // Get Accessors can have TypeScript modifiers, decorators, and type annotations. + return visitGetAccessor(node); + case 173 /* SyntaxKind.SetAccessor */: + // Set Accessors can have TypeScript modifiers and type annotations. + return visitSetAccessor(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + // Typescript function declarations can have modifiers, decorators, and type annotations. + return visitFunctionDeclaration(node); + case 213 /* SyntaxKind.FunctionExpression */: + // TypeScript function expressions can have modifiers and type annotations. + return visitFunctionExpression(node); + case 214 /* SyntaxKind.ArrowFunction */: + // TypeScript arrow functions can have modifiers and type annotations. + return visitArrowFunction(node); + case 164 /* SyntaxKind.Parameter */: + // This may be a parameter declaration with TypeScript syntax extensions. + // + // TypeScript parameter declaration syntax extensions include: + // - decorators + // - accessibility modifiers + // - the question mark (?) token for optional parameters + // - type annotations + // - this parameters + return visitParameter(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + // ParenthesizedExpressions are TypeScript if their expression is a + // TypeAssertion or AsExpression + return visitParenthesizedExpression(node); + case 211 /* SyntaxKind.TypeAssertionExpression */: + case 229 /* SyntaxKind.AsExpression */: + // TypeScript type assertions are removed, but their subtrees are preserved. + return visitAssertionExpression(node); + case 208 /* SyntaxKind.CallExpression */: + return visitCallExpression(node); + case 209 /* SyntaxKind.NewExpression */: + return visitNewExpression(node); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return visitTaggedTemplateExpression(node); + case 230 /* SyntaxKind.NonNullExpression */: + // TypeScript non-null expressions are removed, but their subtrees are preserved. + return visitNonNullExpression(node); + case 260 /* SyntaxKind.EnumDeclaration */: + // TypeScript enum declarations do not exist in ES6 and must be rewritten. + return visitEnumDeclaration(node); + case 237 /* SyntaxKind.VariableStatement */: + // TypeScript namespace exports for variable statements must be transformed. + return visitVariableStatement(node); + case 254 /* SyntaxKind.VariableDeclaration */: + return visitVariableDeclaration(node); + case 261 /* SyntaxKind.ModuleDeclaration */: + // TypeScript namespace declarations must be transformed. + return visitModuleDeclaration(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + // TypeScript namespace or external module import. + return visitImportEqualsDeclaration(node); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node); + case 280 /* SyntaxKind.JsxOpeningElement */: + return visitJsxJsxOpeningElement(node); + default: + // node contains some other TypeScript syntax + return ts.visitEachChild(node, visitor, context); + } + } + function visitSourceFile(node) { + var alwaysStrict = ts.getStrictOptionValue(compilerOptions, "alwaysStrict") && + !(ts.isExternalModule(node) && moduleKind >= ts.ModuleKind.ES2015) && + !ts.isJsonSourceFile(node); + return factory.updateSourceFile(node, ts.visitLexicalEnvironment(node.statements, sourceElementVisitor, context, /*start*/ 0, alwaysStrict)); + } + function getClassFacts(node, staticProperties) { + var facts = 0 /* ClassFacts.None */; + if (ts.some(staticProperties)) + facts |= 1 /* ClassFacts.HasStaticInitializedProperties */; + var extendsClauseElement = ts.getEffectiveBaseTypeNode(node); + if (extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 104 /* SyntaxKind.NullKeyword */) + facts |= 64 /* ClassFacts.IsDerivedClass */; + if (ts.classOrConstructorParameterIsDecorated(node)) + facts |= 2 /* ClassFacts.HasConstructorDecorators */; + if (ts.childIsDecorated(node)) + facts |= 4 /* ClassFacts.HasMemberDecorators */; + if (isExportOfNamespace(node)) + facts |= 8 /* ClassFacts.IsExportOfNamespace */; + else if (isDefaultExternalModuleExport(node)) + facts |= 32 /* ClassFacts.IsDefaultExternalExport */; + else if (isNamedExternalModuleExport(node)) + facts |= 16 /* ClassFacts.IsNamedExternalExport */; + if (languageVersion <= 1 /* ScriptTarget.ES5 */ && (facts & 7 /* ClassFacts.MayNeedImmediatelyInvokedFunctionExpression */)) + facts |= 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */; + return facts; + } + function hasTypeScriptClassSyntax(node) { + return !!(node.transformFlags & 4096 /* TransformFlags.ContainsTypeScriptClassSyntax */); + } + function isClassLikeDeclarationWithTypeScriptSyntax(node) { + return ts.some(node.decorators) + || ts.some(node.typeParameters) + || ts.some(node.heritageClauses, hasTypeScriptClassSyntax) + || ts.some(node.members, hasTypeScriptClassSyntax); + } + function visitClassDeclaration(node) { + if (!isClassLikeDeclarationWithTypeScriptSyntax(node) && !(currentNamespace && ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */))) { + return ts.visitEachChild(node, visitor, context); + } + var staticProperties = ts.getProperties(node, /*requireInitializer*/ true, /*isStatic*/ true); + var facts = getClassFacts(node, staticProperties); + if (facts & 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */) { + context.startLexicalEnvironment(); + } + var name = node.name || (facts & 5 /* ClassFacts.NeedsName */ ? factory.getGeneratedNameForNode(node) : undefined); + var classStatement = facts & 2 /* ClassFacts.HasConstructorDecorators */ + ? createClassDeclarationHeadWithDecorators(node, name) + : createClassDeclarationHeadWithoutDecorators(node, name, facts); + var statements = [classStatement]; + // Write any decorators of the node. + addClassElementDecorationStatements(statements, node, /*isStatic*/ false); + addClassElementDecorationStatements(statements, node, /*isStatic*/ true); + addConstructorDecorationStatement(statements, node); + if (facts & 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */) { + // When we emit a TypeScript class down to ES5, we must wrap it in an IIFE so that the + // 'es2015' transformer can properly nest static initializers and decorators. The result + // looks something like: + // + // var C = function () { + // class C { + // } + // C.static_prop = 1; + // return C; + // }(); + // + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentSourceFile.text, node.members.end), 19 /* SyntaxKind.CloseBraceToken */); + var localName = factory.getInternalName(node); + // The following partially-emitted expression exists purely to align our sourcemap + // emit with the original emitter. + var outer = factory.createPartiallyEmittedExpression(localName); + ts.setTextRangeEnd(outer, closingBraceLocation.end); + ts.setEmitFlags(outer, 1536 /* EmitFlags.NoComments */); + var statement = factory.createReturnStatement(outer); + ts.setTextRangePos(statement, closingBraceLocation.pos); + ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */ | 384 /* EmitFlags.NoTokenSourceMaps */); + statements.push(statement); + ts.insertStatementsAfterStandardPrologue(statements, context.endLexicalEnvironment()); + var iife = factory.createImmediatelyInvokedArrowFunction(statements); + ts.setEmitFlags(iife, 33554432 /* EmitFlags.TypeScriptClassWrapper */); + var varStatement = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ false), + /*exclamationToken*/ undefined, + /*type*/ undefined, iife) + ])); + ts.setOriginalNode(varStatement, node); + ts.setCommentRange(varStatement, node); + ts.setSourceMapRange(varStatement, ts.moveRangePastDecorators(node)); + ts.startOnNewLine(varStatement); + statements = [varStatement]; + } + // If the class is exported as part of a TypeScript namespace, emit the namespace export. + // Otherwise, if the class was exported at the top level and was decorated, emit an export + // declaration or export default for the class. + if (facts & 8 /* ClassFacts.IsExportOfNamespace */) { + addExportMemberAssignment(statements, node); + } + else if (facts & 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */ || facts & 2 /* ClassFacts.HasConstructorDecorators */) { + if (facts & 32 /* ClassFacts.IsDefaultExternalExport */) { + statements.push(factory.createExportDefault(factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true))); + } + else if (facts & 16 /* ClassFacts.IsNamedExternalExport */) { + statements.push(factory.createExternalModuleExport(factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true))); + } + } + if (statements.length > 1) { + // Add a DeclarationMarker as a marker for the end of the declaration + statements.push(factory.createEndOfDeclarationMarker(node)); + ts.setEmitFlags(classStatement, ts.getEmitFlags(classStatement) | 4194304 /* EmitFlags.HasEndOfDeclarationMarker */); + } + return ts.singleOrMany(statements); + } + /** + * Transforms a non-decorated class declaration and appends the resulting statements. + * + * @param node A ClassDeclaration node. + * @param name The name of the class. + * @param facts Precomputed facts about the class. + */ + function createClassDeclarationHeadWithoutDecorators(node, name, facts) { + // ${modifiers} class ${name} ${heritageClauses} { + // ${members} + // } + // we do not emit modifiers on the declaration if we are emitting an IIFE + var modifiers = !(facts & 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */) + ? ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier) + : undefined; + var classDeclaration = factory.createClassDeclaration( + /*decorators*/ undefined, modifiers, name, + /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node)); + // To better align with the old emitter, we should not emit a trailing source map + // entry if the class has static properties. + var emitFlags = ts.getEmitFlags(node); + if (facts & 1 /* ClassFacts.HasStaticInitializedProperties */) { + emitFlags |= 32 /* EmitFlags.NoTrailingSourceMap */; + } + ts.setTextRange(classDeclaration, node); + ts.setOriginalNode(classDeclaration, node); + ts.setEmitFlags(classDeclaration, emitFlags); + return classDeclaration; + } + /** + * Transforms a decorated class declaration and appends the resulting statements. If + * the class requires an alias to avoid issues with double-binding, the alias is returned. + */ + function createClassDeclarationHeadWithDecorators(node, name) { + // When we emit an ES6 class that has a class decorator, we must tailor the + // emit to certain specific cases. + // + // In the simplest case, we emit the class declaration as a let declaration, and + // evaluate decorators after the close of the class body: + // + // [Example 1] + // --------------------------------------------------------------------- + // TypeScript | Javascript + // --------------------------------------------------------------------- + // @dec | let C = class C { + // class C { | } + // } | C = __decorate([dec], C); + // --------------------------------------------------------------------- + // @dec | let C = class C { + // export class C { | } + // } | C = __decorate([dec], C); + // | export { C }; + // --------------------------------------------------------------------- + // + // If a class declaration contains a reference to itself *inside* of the class body, + // this introduces two bindings to the class: One outside of the class body, and one + // inside of the class body. If we apply decorators as in [Example 1] above, there + // is the possibility that the decorator `dec` will return a new value for the + // constructor, which would result in the binding inside of the class no longer + // pointing to the same reference as the binding outside of the class. + // + // As a result, we must instead rewrite all references to the class *inside* of the + // class body to instead point to a local temporary alias for the class: + // + // [Example 2] + // --------------------------------------------------------------------- + // TypeScript | Javascript + // --------------------------------------------------------------------- + // @dec | let C = C_1 = class C { + // class C { | static x() { return C_1.y; } + // static x() { return C.y; } | } + // static y = 1; | C.y = 1; + // } | C = C_1 = __decorate([dec], C); + // | var C_1; + // --------------------------------------------------------------------- + // @dec | let C = class C { + // export class C { | static x() { return C_1.y; } + // static x() { return C.y; } | } + // static y = 1; | C.y = 1; + // } | C = C_1 = __decorate([dec], C); + // | export { C }; + // | var C_1; + // --------------------------------------------------------------------- + // + // If a class declaration is the default export of a module, we instead emit + // the export after the decorated declaration: + // + // [Example 3] + // --------------------------------------------------------------------- + // TypeScript | Javascript + // --------------------------------------------------------------------- + // @dec | let default_1 = class { + // export default class { | } + // } | default_1 = __decorate([dec], default_1); + // | export default default_1; + // --------------------------------------------------------------------- + // @dec | let C = class C { + // export default class C { | } + // } | C = __decorate([dec], C); + // | export default C; + // --------------------------------------------------------------------- + // + // If the class declaration is the default export and a reference to itself + // inside of the class body, we must emit both an alias for the class *and* + // move the export after the declaration: + // + // [Example 4] + // --------------------------------------------------------------------- + // TypeScript | Javascript + // --------------------------------------------------------------------- + // @dec | let C = class C { + // export default class C { | static x() { return C_1.y; } + // static x() { return C.y; } | } + // static y = 1; | C.y = 1; + // } | C = C_1 = __decorate([dec], C); + // | export default C; + // | var C_1; + // --------------------------------------------------------------------- + // + var location = ts.moveRangePastDecorators(node); + var classAlias = getClassAliasIfNeeded(node); + // When we transform to ES5/3 this will be moved inside an IIFE and should reference the name + // without any block-scoped variable collision handling + var declName = languageVersion <= 2 /* ScriptTarget.ES2015 */ ? + factory.getInternalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true) : + factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true); + // ... = class ${name} ${heritageClauses} { + // ${members} + // } + var heritageClauses = ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause); + var members = transformClassMembers(node); + var classExpression = factory.createClassExpression(/*decorators*/ undefined, /*modifiers*/ undefined, name, /*typeParameters*/ undefined, heritageClauses, members); + ts.setOriginalNode(classExpression, node); + ts.setTextRange(classExpression, location); + // let ${name} = ${classExpression} where name is either declaredName if the class doesn't contain self-reference + // or decoratedClassAlias if the class contain self-reference. + var statement = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(declName, + /*exclamationToken*/ undefined, + /*type*/ undefined, classAlias ? factory.createAssignment(classAlias, classExpression) : classExpression) + ], 1 /* NodeFlags.Let */)); + ts.setOriginalNode(statement, node); + ts.setTextRange(statement, location); + ts.setCommentRange(statement, node); + return statement; + } + function visitClassExpression(node) { + if (!isClassLikeDeclarationWithTypeScriptSyntax(node)) { + return ts.visitEachChild(node, visitor, context); + } + var classExpression = factory.createClassExpression( + /*decorators*/ undefined, + /*modifiers*/ undefined, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node)); + ts.setOriginalNode(classExpression, node); + ts.setTextRange(classExpression, node); + return classExpression; + } + /** + * Transforms the members of a class. + * + * @param node The current class. + */ + function transformClassMembers(node) { + var members = []; + var constructor = ts.getFirstConstructorWithBody(node); + var parametersWithPropertyAssignments = constructor && + ts.filter(constructor.parameters, function (p) { return ts.isParameterPropertyDeclaration(p, constructor); }); + if (parametersWithPropertyAssignments) { + for (var _i = 0, parametersWithPropertyAssignments_1 = parametersWithPropertyAssignments; _i < parametersWithPropertyAssignments_1.length; _i++) { + var parameter = parametersWithPropertyAssignments_1[_i]; + if (ts.isIdentifier(parameter.name)) { + members.push(ts.setOriginalNode(factory.createPropertyDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, parameter.name, + /*questionOrExclamationToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined), parameter)); + } + } + } + ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement)); + return ts.setTextRange(factory.createNodeArray(members), /*location*/ node.members); + } + /** + * Gets either the static or instance members of a class that are decorated, or have + * parameters that are decorated. + * + * @param node The class containing the member. + * @param isStatic A value indicating whether to retrieve static or instance members of + * the class. + */ + function getDecoratedClassElements(node, isStatic) { + return ts.filter(node.members, isStatic ? function (m) { return isStaticDecoratedClassElement(m, node); } : function (m) { return isInstanceDecoratedClassElement(m, node); }); + } + /** + * Determines whether a class member is a static member of a class that is decorated, or + * has parameters that are decorated. + * + * @param member The class member. + */ + function isStaticDecoratedClassElement(member, parent) { + return isDecoratedClassElement(member, /*isStaticElement*/ true, parent); + } + /** + * Determines whether a class member is an instance member of a class that is decorated, + * or has parameters that are decorated. + * + * @param member The class member. + */ + function isInstanceDecoratedClassElement(member, parent) { + return isDecoratedClassElement(member, /*isStaticElement*/ false, parent); + } + /** + * Determines whether a class member is either a static or an instance member of a class + * that is decorated, or has parameters that are decorated. + * + * @param member The class member. + */ + function isDecoratedClassElement(member, isStaticElement, parent) { + return ts.nodeOrChildIsDecorated(member, parent) + && isStaticElement === ts.isStatic(member); + } + /** + * Gets an array of arrays of decorators for the parameters of a function-like node. + * The offset into the result array should correspond to the offset of the parameter. + * + * @param node The function-like node. + */ + function getDecoratorsOfParameters(node) { + var decorators; + if (node) { + var parameters = node.parameters; + var firstParameterIsThis = parameters.length > 0 && ts.parameterIsThisKeyword(parameters[0]); + var firstParameterOffset = firstParameterIsThis ? 1 : 0; + var numParameters = firstParameterIsThis ? parameters.length - 1 : parameters.length; + for (var i = 0; i < numParameters; i++) { + var parameter = parameters[i + firstParameterOffset]; + if (decorators || parameter.decorators) { + if (!decorators) { + decorators = new Array(numParameters); + } + decorators[i] = parameter.decorators; + } + } + } + return decorators; + } + /** + * Gets an AllDecorators object containing the decorators for the class and the decorators for the + * parameters of the constructor of the class. + * + * @param node The class node. + */ + function getAllDecoratorsOfConstructor(node) { + var decorators = node.decorators; + var parameters = getDecoratorsOfParameters(ts.getFirstConstructorWithBody(node)); + if (!decorators && !parameters) { + return undefined; + } + return { + decorators: decorators, + parameters: parameters + }; + } + /** + * Gets an AllDecorators object containing the decorators for the member and its parameters. + * + * @param node The class node that contains the member. + * @param member The class member. + */ + function getAllDecoratorsOfClassElement(node, member) { + switch (member.kind) { + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return getAllDecoratorsOfAccessors(node, member); + case 169 /* SyntaxKind.MethodDeclaration */: + return getAllDecoratorsOfMethod(member); + case 167 /* SyntaxKind.PropertyDeclaration */: + return getAllDecoratorsOfProperty(member); + default: + return undefined; + } + } + /** + * Gets an AllDecorators object containing the decorators for the accessor and its parameters. + * + * @param node The class node that contains the accessor. + * @param accessor The class accessor member. + */ + function getAllDecoratorsOfAccessors(node, accessor) { + if (!accessor.body) { + return undefined; + } + var _a = ts.getAllAccessorDeclarations(node.members, accessor), firstAccessor = _a.firstAccessor, secondAccessor = _a.secondAccessor, setAccessor = _a.setAccessor; + var firstAccessorWithDecorators = firstAccessor.decorators ? firstAccessor : secondAccessor && secondAccessor.decorators ? secondAccessor : undefined; + if (!firstAccessorWithDecorators || accessor !== firstAccessorWithDecorators) { + return undefined; + } + var decorators = firstAccessorWithDecorators.decorators; + var parameters = getDecoratorsOfParameters(setAccessor); + if (!decorators && !parameters) { + return undefined; + } + return { decorators: decorators, parameters: parameters }; + } + /** + * Gets an AllDecorators object containing the decorators for the method and its parameters. + * + * @param method The class method member. + */ + function getAllDecoratorsOfMethod(method) { + if (!method.body) { + return undefined; + } + var decorators = method.decorators; + var parameters = getDecoratorsOfParameters(method); + if (!decorators && !parameters) { + return undefined; + } + return { decorators: decorators, parameters: parameters }; + } + /** + * Gets an AllDecorators object containing the decorators for the property. + * + * @param property The class property member. + */ + function getAllDecoratorsOfProperty(property) { + var decorators = property.decorators; + if (!decorators) { + return undefined; + } + return { decorators: decorators }; + } + /** + * Transforms all of the decorators for a declaration into an array of expressions. + * + * @param node The declaration node. + * @param allDecorators An object containing all of the decorators for the declaration. + */ + function transformAllDecoratorsOfDeclaration(node, container, allDecorators) { + if (!allDecorators) { + return undefined; + } + var decoratorExpressions = []; + ts.addRange(decoratorExpressions, ts.map(allDecorators.decorators, transformDecorator)); + ts.addRange(decoratorExpressions, ts.flatMap(allDecorators.parameters, transformDecoratorsOfParameter)); + addTypeMetadata(node, container, decoratorExpressions); + return decoratorExpressions; + } + /** + * Generates statements used to apply decorators to either the static or instance members + * of a class. + * + * @param node The class node. + * @param isStatic A value indicating whether to generate statements for static or + * instance members. + */ + function addClassElementDecorationStatements(statements, node, isStatic) { + ts.addRange(statements, ts.map(generateClassElementDecorationExpressions(node, isStatic), expressionToStatement)); + } + /** + * Generates expressions used to apply decorators to either the static or instance members + * of a class. + * + * @param node The class node. + * @param isStatic A value indicating whether to generate expressions for static or + * instance members. + */ + function generateClassElementDecorationExpressions(node, isStatic) { + var members = getDecoratedClassElements(node, isStatic); + var expressions; + for (var _i = 0, members_8 = members; _i < members_8.length; _i++) { + var member = members_8[_i]; + var expression = generateClassElementDecorationExpression(node, member); + if (expression) { + if (!expressions) { + expressions = [expression]; + } + else { + expressions.push(expression); + } + } + } + return expressions; + } + /** + * Generates an expression used to evaluate class element decorators at runtime. + * + * @param node The class node that contains the member. + * @param member The class member. + */ + function generateClassElementDecorationExpression(node, member) { + var allDecorators = getAllDecoratorsOfClassElement(node, member); + var decoratorExpressions = transformAllDecoratorsOfDeclaration(member, node, allDecorators); + if (!decoratorExpressions) { + return undefined; + } + // Emit the call to __decorate. Given the following: + // + // class C { + // @dec method(@dec2 x) {} + // @dec get accessor() {} + // @dec prop; + // } + // + // The emit for a method is: + // + // __decorate([ + // dec, + // __param(0, dec2), + // __metadata("design:type", Function), + // __metadata("design:paramtypes", [Object]), + // __metadata("design:returntype", void 0) + // ], C.prototype, "method", null); + // + // The emit for an accessor is: + // + // __decorate([ + // dec + // ], C.prototype, "accessor", null); + // + // The emit for a property is: + // + // __decorate([ + // dec + // ], C.prototype, "prop"); + // + var prefix = getClassMemberPrefix(node, member); + var memberName = getExpressionForPropertyName(member, /*generateNameForComputedPropertyName*/ !ts.hasSyntacticModifier(member, 2 /* ModifierFlags.Ambient */)); + var descriptor = languageVersion > 0 /* ScriptTarget.ES3 */ + ? member.kind === 167 /* SyntaxKind.PropertyDeclaration */ + // We emit `void 0` here to indicate to `__decorate` that it can invoke `Object.defineProperty` directly, but that it + // should not invoke `Object.getOwnPropertyDescriptor`. + ? factory.createVoidZero() + // We emit `null` here to indicate to `__decorate` that it can invoke `Object.getOwnPropertyDescriptor` directly. + // We have this extra argument here so that we can inject an explicit property descriptor at a later date. + : factory.createNull() + : undefined; + var helper = emitHelpers().createDecorateHelper(decoratorExpressions, prefix, memberName, descriptor); + ts.setTextRange(helper, ts.moveRangePastDecorators(member)); + ts.setEmitFlags(helper, 1536 /* EmitFlags.NoComments */); + return helper; + } + /** + * Generates a __decorate helper call for a class constructor. + * + * @param node The class node. + */ + function addConstructorDecorationStatement(statements, node) { + var expression = generateConstructorDecorationExpression(node); + if (expression) { + statements.push(ts.setOriginalNode(factory.createExpressionStatement(expression), node)); + } + } + /** + * Generates a __decorate helper call for a class constructor. + * + * @param node The class node. + */ + function generateConstructorDecorationExpression(node) { + var allDecorators = getAllDecoratorsOfConstructor(node); + var decoratorExpressions = transformAllDecoratorsOfDeclaration(node, node, allDecorators); + if (!decoratorExpressions) { + return undefined; + } + var classAlias = classAliases && classAliases[ts.getOriginalNodeId(node)]; + // When we transform to ES5/3 this will be moved inside an IIFE and should reference the name + // without any block-scoped variable collision handling + var localName = languageVersion <= 2 /* ScriptTarget.ES2015 */ ? + factory.getInternalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true) : + factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true); + var decorate = emitHelpers().createDecorateHelper(decoratorExpressions, localName); + var expression = factory.createAssignment(localName, classAlias ? factory.createAssignment(classAlias, decorate) : decorate); + ts.setEmitFlags(expression, 1536 /* EmitFlags.NoComments */); + ts.setSourceMapRange(expression, ts.moveRangePastDecorators(node)); + return expression; + } + /** + * Transforms a decorator into an expression. + * + * @param decorator The decorator node. + */ + function transformDecorator(decorator) { + return ts.visitNode(decorator.expression, visitor, ts.isExpression); + } + /** + * Transforms the decorators of a parameter. + * + * @param decorators The decorators for the parameter at the provided offset. + * @param parameterOffset The offset of the parameter. + */ + function transformDecoratorsOfParameter(decorators, parameterOffset) { + var expressions; + if (decorators) { + expressions = []; + for (var _i = 0, decorators_1 = decorators; _i < decorators_1.length; _i++) { + var decorator = decorators_1[_i]; + var helper = emitHelpers().createParamHelper(transformDecorator(decorator), parameterOffset); + ts.setTextRange(helper, decorator.expression); + ts.setEmitFlags(helper, 1536 /* EmitFlags.NoComments */); + expressions.push(helper); + } + } + return expressions; + } + /** + * Adds optional type metadata for a declaration. + * + * @param node The declaration node. + * @param decoratorExpressions The destination array to which to add new decorator expressions. + */ + function addTypeMetadata(node, container, decoratorExpressions) { + if (USE_NEW_TYPE_METADATA_FORMAT) { + addNewTypeMetadata(node, container, decoratorExpressions); + } + else { + addOldTypeMetadata(node, container, decoratorExpressions); + } + } + function addOldTypeMetadata(node, container, decoratorExpressions) { + if (compilerOptions.emitDecoratorMetadata) { + if (shouldAddTypeMetadata(node)) { + decoratorExpressions.push(emitHelpers().createMetadataHelper("design:type", serializeTypeOfNode(node))); + } + if (shouldAddParamTypesMetadata(node)) { + decoratorExpressions.push(emitHelpers().createMetadataHelper("design:paramtypes", serializeParameterTypesOfNode(node, container))); + } + if (shouldAddReturnTypeMetadata(node)) { + decoratorExpressions.push(emitHelpers().createMetadataHelper("design:returntype", serializeReturnTypeOfNode(node))); + } + } + } + function addNewTypeMetadata(node, container, decoratorExpressions) { + if (compilerOptions.emitDecoratorMetadata) { + var properties = void 0; + if (shouldAddTypeMetadata(node)) { + (properties || (properties = [])).push(factory.createPropertyAssignment("type", factory.createArrowFunction(/*modifiers*/ undefined, /*typeParameters*/ undefined, [], /*type*/ undefined, factory.createToken(38 /* SyntaxKind.EqualsGreaterThanToken */), serializeTypeOfNode(node)))); + } + if (shouldAddParamTypesMetadata(node)) { + (properties || (properties = [])).push(factory.createPropertyAssignment("paramTypes", factory.createArrowFunction(/*modifiers*/ undefined, /*typeParameters*/ undefined, [], /*type*/ undefined, factory.createToken(38 /* SyntaxKind.EqualsGreaterThanToken */), serializeParameterTypesOfNode(node, container)))); + } + if (shouldAddReturnTypeMetadata(node)) { + (properties || (properties = [])).push(factory.createPropertyAssignment("returnType", factory.createArrowFunction(/*modifiers*/ undefined, /*typeParameters*/ undefined, [], /*type*/ undefined, factory.createToken(38 /* SyntaxKind.EqualsGreaterThanToken */), serializeReturnTypeOfNode(node)))); + } + if (properties) { + decoratorExpressions.push(emitHelpers().createMetadataHelper("design:typeinfo", factory.createObjectLiteralExpression(properties, /*multiLine*/ true))); + } + } + } + /** + * Determines whether to emit the "design:type" metadata based on the node's kind. + * The caller should have already tested whether the node has decorators and whether the + * emitDecoratorMetadata compiler option is set. + * + * @param node The node to test. + */ + function shouldAddTypeMetadata(node) { + var kind = node.kind; + return kind === 169 /* SyntaxKind.MethodDeclaration */ + || kind === 172 /* SyntaxKind.GetAccessor */ + || kind === 173 /* SyntaxKind.SetAccessor */ + || kind === 167 /* SyntaxKind.PropertyDeclaration */; + } + /** + * Determines whether to emit the "design:returntype" metadata based on the node's kind. + * The caller should have already tested whether the node has decorators and whether the + * emitDecoratorMetadata compiler option is set. + * + * @param node The node to test. + */ + function shouldAddReturnTypeMetadata(node) { + return node.kind === 169 /* SyntaxKind.MethodDeclaration */; + } + /** + * Determines whether to emit the "design:paramtypes" metadata based on the node's kind. + * The caller should have already tested whether the node has decorators and whether the + * emitDecoratorMetadata compiler option is set. + * + * @param node The node to test. + */ + function shouldAddParamTypesMetadata(node) { + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return ts.getFirstConstructorWithBody(node) !== undefined; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return true; + } + return false; + } + function getAccessorTypeNode(node) { + var accessors = resolver.getAllAccessorDeclarations(node); + return accessors.setAccessor && ts.getSetAccessorTypeAnnotationNode(accessors.setAccessor) + || accessors.getAccessor && ts.getEffectiveReturnTypeNode(accessors.getAccessor); + } + /** + * Serializes the type of a node for use with decorator type metadata. + * + * @param node The node that should have its type serialized. + */ + function serializeTypeOfNode(node) { + switch (node.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 164 /* SyntaxKind.Parameter */: + return serializeTypeNode(node.type); + case 173 /* SyntaxKind.SetAccessor */: + case 172 /* SyntaxKind.GetAccessor */: + return serializeTypeNode(getAccessorTypeNode(node)); + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + return factory.createIdentifier("Function"); + default: + return factory.createVoidZero(); + } + } + /** + * Serializes the types of the parameters of a node for use with decorator type metadata. + * + * @param node The node that should have its parameter types serialized. + */ + function serializeParameterTypesOfNode(node, container) { + var valueDeclaration = ts.isClassLike(node) + ? ts.getFirstConstructorWithBody(node) + : ts.isFunctionLike(node) && ts.nodeIsPresent(node.body) + ? node + : undefined; + var expressions = []; + if (valueDeclaration) { + var parameters = getParametersOfDecoratedDeclaration(valueDeclaration, container); + var numParameters = parameters.length; + for (var i = 0; i < numParameters; i++) { + var parameter = parameters[i]; + if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.escapedText === "this") { + continue; + } + if (parameter.dotDotDotToken) { + expressions.push(serializeTypeNode(ts.getRestParameterElementType(parameter.type))); + } + else { + expressions.push(serializeTypeOfNode(parameter)); + } + } + } + return factory.createArrayLiteralExpression(expressions); + } + function getParametersOfDecoratedDeclaration(node, container) { + if (container && node.kind === 172 /* SyntaxKind.GetAccessor */) { + var setAccessor = ts.getAllAccessorDeclarations(container.members, node).setAccessor; + if (setAccessor) { + return setAccessor.parameters; + } + } + return node.parameters; + } + /** + * Serializes the return type of a node for use with decorator type metadata. + * + * @param node The node that should have its return type serialized. + */ + function serializeReturnTypeOfNode(node) { + if (ts.isFunctionLike(node) && node.type) { + return serializeTypeNode(node.type); + } + else if (ts.isAsyncFunction(node)) { + return factory.createIdentifier("Promise"); + } + return factory.createVoidZero(); + } + /** + * Serializes a type node for use with decorator type metadata. + * + * Types are serialized in the following fashion: + * - Void types point to "undefined" (e.g. "void 0") + * - Function and Constructor types point to the global "Function" constructor. + * - Interface types with a call or construct signature types point to the global + * "Function" constructor. + * - Array and Tuple types point to the global "Array" constructor. + * - Type predicates and booleans point to the global "Boolean" constructor. + * - String literal types and strings point to the global "String" constructor. + * - Enum and number types point to the global "Number" constructor. + * - Symbol types point to the global "Symbol" constructor. + * - Type references to classes (or class-like variables) point to the constructor for the class. + * - Anything else points to the global "Object" constructor. + * + * @param node The type node to serialize. + */ + function serializeTypeNode(node) { + if (node === undefined) { + return factory.createIdentifier("Object"); + } + switch (node.kind) { + case 114 /* SyntaxKind.VoidKeyword */: + case 153 /* SyntaxKind.UndefinedKeyword */: + case 143 /* SyntaxKind.NeverKeyword */: + return factory.createVoidZero(); + case 191 /* SyntaxKind.ParenthesizedType */: + return serializeTypeNode(node.type); + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + return factory.createIdentifier("Function"); + case 183 /* SyntaxKind.ArrayType */: + case 184 /* SyntaxKind.TupleType */: + return factory.createIdentifier("Array"); + case 177 /* SyntaxKind.TypePredicate */: + case 133 /* SyntaxKind.BooleanKeyword */: + return factory.createIdentifier("Boolean"); + case 198 /* SyntaxKind.TemplateLiteralType */: + case 150 /* SyntaxKind.StringKeyword */: + return factory.createIdentifier("String"); + case 148 /* SyntaxKind.ObjectKeyword */: + return factory.createIdentifier("Object"); + case 196 /* SyntaxKind.LiteralType */: + switch (node.literal.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return factory.createIdentifier("String"); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + case 8 /* SyntaxKind.NumericLiteral */: + return factory.createIdentifier("Number"); + case 9 /* SyntaxKind.BigIntLiteral */: + return getGlobalBigIntNameWithFallback(); + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + return factory.createIdentifier("Boolean"); + case 104 /* SyntaxKind.NullKeyword */: + return factory.createVoidZero(); + default: + return ts.Debug.failBadSyntaxKind(node.literal); + } + case 147 /* SyntaxKind.NumberKeyword */: + return factory.createIdentifier("Number"); + case 158 /* SyntaxKind.BigIntKeyword */: + return getGlobalBigIntNameWithFallback(); + case 151 /* SyntaxKind.SymbolKeyword */: + return languageVersion < 2 /* ScriptTarget.ES2015 */ + ? getGlobalSymbolNameWithFallback() + : factory.createIdentifier("Symbol"); + case 178 /* SyntaxKind.TypeReference */: + return serializeTypeReferenceNode(node); + case 188 /* SyntaxKind.IntersectionType */: + case 187 /* SyntaxKind.UnionType */: + return serializeTypeList(node.types); + case 189 /* SyntaxKind.ConditionalType */: + return serializeTypeList([node.trueType, node.falseType]); + case 193 /* SyntaxKind.TypeOperator */: + if (node.operator === 145 /* SyntaxKind.ReadonlyKeyword */) { + return serializeTypeNode(node.type); + } + break; + case 181 /* SyntaxKind.TypeQuery */: + case 194 /* SyntaxKind.IndexedAccessType */: + case 195 /* SyntaxKind.MappedType */: + case 182 /* SyntaxKind.TypeLiteral */: + case 130 /* SyntaxKind.AnyKeyword */: + case 155 /* SyntaxKind.UnknownKeyword */: + case 192 /* SyntaxKind.ThisType */: + case 200 /* SyntaxKind.ImportType */: + break; + // handle JSDoc types from an invalid parse + case 312 /* SyntaxKind.JSDocAllType */: + case 313 /* SyntaxKind.JSDocUnknownType */: + case 317 /* SyntaxKind.JSDocFunctionType */: + case 318 /* SyntaxKind.JSDocVariadicType */: + case 319 /* SyntaxKind.JSDocNamepathType */: + break; + case 314 /* SyntaxKind.JSDocNullableType */: + case 315 /* SyntaxKind.JSDocNonNullableType */: + case 316 /* SyntaxKind.JSDocOptionalType */: + return serializeTypeNode(node.type); + default: + return ts.Debug.failBadSyntaxKind(node); + } + return factory.createIdentifier("Object"); + } + function serializeTypeList(types) { + // Note when updating logic here also update getEntityNameForDecoratorMetadata + // so that aliases can be marked as referenced + var serializedUnion; + for (var _i = 0, types_23 = types; _i < types_23.length; _i++) { + var typeNode = types_23[_i]; + while (typeNode.kind === 191 /* SyntaxKind.ParenthesizedType */) { + typeNode = typeNode.type; // Skip parens if need be + } + if (typeNode.kind === 143 /* SyntaxKind.NeverKeyword */) { + continue; // Always elide `never` from the union/intersection if possible + } + if (!strictNullChecks && (typeNode.kind === 196 /* SyntaxKind.LiteralType */ && typeNode.literal.kind === 104 /* SyntaxKind.NullKeyword */ || typeNode.kind === 153 /* SyntaxKind.UndefinedKeyword */)) { + continue; // Elide null and undefined from unions for metadata, just like what we did prior to the implementation of strict null checks + } + var serializedIndividual = serializeTypeNode(typeNode); + if (ts.isIdentifier(serializedIndividual) && serializedIndividual.escapedText === "Object") { + // One of the individual is global object, return immediately + return serializedIndividual; + } + // If there exists union that is not void 0 expression, check if the the common type is identifier. + // anything more complex and we will just default to Object + else if (serializedUnion) { + // Different types + if (!ts.isIdentifier(serializedUnion) || + !ts.isIdentifier(serializedIndividual) || + serializedUnion.escapedText !== serializedIndividual.escapedText) { + return factory.createIdentifier("Object"); + } + } + else { + // Initialize the union type + serializedUnion = serializedIndividual; + } + } + // If we were able to find common type, use it + return serializedUnion || factory.createVoidZero(); // Fallback is only hit if all union constituients are null/undefined/never + } + /** + * Serializes a TypeReferenceNode to an appropriate JS constructor value for use with + * decorator type metadata. + * + * @param node The type reference node. + */ + function serializeTypeReferenceNode(node) { + var kind = resolver.getTypeReferenceSerializationKind(node.typeName, currentNameScope || currentLexicalScope); + switch (kind) { + case ts.TypeReferenceSerializationKind.Unknown: + // From conditional type type reference that cannot be resolved is Similar to any or unknown + if (ts.findAncestor(node, function (n) { return n.parent && ts.isConditionalTypeNode(n.parent) && (n.parent.trueType === n || n.parent.falseType === n); })) { + return factory.createIdentifier("Object"); + } + var serialized = serializeEntityNameAsExpressionFallback(node.typeName); + var temp = factory.createTempVariable(hoistVariableDeclaration); + return factory.createConditionalExpression(factory.createTypeCheck(factory.createAssignment(temp, serialized), "function"), + /*questionToken*/ undefined, temp, + /*colonToken*/ undefined, factory.createIdentifier("Object")); + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + return serializeEntityNameAsExpression(node.typeName); + case ts.TypeReferenceSerializationKind.VoidNullableOrNeverType: + return factory.createVoidZero(); + case ts.TypeReferenceSerializationKind.BigIntLikeType: + return getGlobalBigIntNameWithFallback(); + case ts.TypeReferenceSerializationKind.BooleanType: + return factory.createIdentifier("Boolean"); + case ts.TypeReferenceSerializationKind.NumberLikeType: + return factory.createIdentifier("Number"); + case ts.TypeReferenceSerializationKind.StringLikeType: + return factory.createIdentifier("String"); + case ts.TypeReferenceSerializationKind.ArrayLikeType: + return factory.createIdentifier("Array"); + case ts.TypeReferenceSerializationKind.ESSymbolType: + return languageVersion < 2 /* ScriptTarget.ES2015 */ + ? getGlobalSymbolNameWithFallback() + : factory.createIdentifier("Symbol"); + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + return factory.createIdentifier("Function"); + case ts.TypeReferenceSerializationKind.Promise: + return factory.createIdentifier("Promise"); + case ts.TypeReferenceSerializationKind.ObjectType: + return factory.createIdentifier("Object"); + default: + return ts.Debug.assertNever(kind); + } + } + function createCheckedValue(left, right) { + return factory.createLogicalAnd(factory.createStrictInequality(factory.createTypeOfExpression(left), factory.createStringLiteral("undefined")), right); + } + /** + * Serializes an entity name which may not exist at runtime, but whose access shouldn't throw + * + * @param node The entity name to serialize. + */ + function serializeEntityNameAsExpressionFallback(node) { + if (node.kind === 79 /* SyntaxKind.Identifier */) { + // A -> typeof A !== undefined && A + var copied = serializeEntityNameAsExpression(node); + return createCheckedValue(copied, copied); + } + if (node.left.kind === 79 /* SyntaxKind.Identifier */) { + // A.B -> typeof A !== undefined && A.B + return createCheckedValue(serializeEntityNameAsExpression(node.left), serializeEntityNameAsExpression(node)); + } + // A.B.C -> typeof A !== undefined && (_a = A.B) !== void 0 && _a.C + var left = serializeEntityNameAsExpressionFallback(node.left); + var temp = factory.createTempVariable(hoistVariableDeclaration); + return factory.createLogicalAnd(factory.createLogicalAnd(left.left, factory.createStrictInequality(factory.createAssignment(temp, left.right), factory.createVoidZero())), factory.createPropertyAccessExpression(temp, node.right)); + } + /** + * Serializes an entity name as an expression for decorator type metadata. + * + * @param node The entity name to serialize. + */ + function serializeEntityNameAsExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + // Create a clone of the name with a new parent, and treat it as if it were + // a source tree node for the purposes of the checker. + var name = ts.setParent(ts.setTextRange(ts.parseNodeFactory.cloneNode(node), node), node.parent); + name.original = undefined; + ts.setParent(name, ts.getParseTreeNode(currentLexicalScope)); // ensure the parent is set to a parse tree node. + return name; + case 161 /* SyntaxKind.QualifiedName */: + return serializeQualifiedNameAsExpression(node); + } + } + /** + * Serializes an qualified name as an expression for decorator type metadata. + * + * @param node The qualified name to serialize. + * @param useFallback A value indicating whether to use logical operators to test for the + * qualified name at runtime. + */ + function serializeQualifiedNameAsExpression(node) { + return factory.createPropertyAccessExpression(serializeEntityNameAsExpression(node.left), node.right); + } + /** + * Gets an expression that points to the global "Symbol" constructor at runtime if it is + * available. + */ + function getGlobalSymbolNameWithFallback() { + return factory.createConditionalExpression(factory.createTypeCheck(factory.createIdentifier("Symbol"), "function"), + /*questionToken*/ undefined, factory.createIdentifier("Symbol"), + /*colonToken*/ undefined, factory.createIdentifier("Object")); + } + /** + * Gets an expression that points to the global "BigInt" constructor at runtime if it is + * available. + */ + function getGlobalBigIntNameWithFallback() { + return languageVersion < 99 /* ScriptTarget.ESNext */ + ? factory.createConditionalExpression(factory.createTypeCheck(factory.createIdentifier("BigInt"), "function"), + /*questionToken*/ undefined, factory.createIdentifier("BigInt"), + /*colonToken*/ undefined, factory.createIdentifier("Object")) + : factory.createIdentifier("BigInt"); + } + /** + * Gets an expression that represents a property name (for decorated properties or enums). + * For a computed property, a name is generated for the node. + * + * @param member The member whose name should be converted into an expression. + */ + function getExpressionForPropertyName(member, generateNameForComputedPropertyName) { + var name = member.name; + if (ts.isPrivateIdentifier(name)) { + return factory.createIdentifier(""); + } + else if (ts.isComputedPropertyName(name)) { + return generateNameForComputedPropertyName && !ts.isSimpleInlineableExpression(name.expression) + ? factory.getGeneratedNameForNode(name) + : name.expression; + } + else if (ts.isIdentifier(name)) { + return factory.createStringLiteral(ts.idText(name)); + } + else { + return factory.cloneNode(name); + } + } + /** + * Visits the property name of a class element, for use when emitting property + * initializers. For a computed property on a node with decorators, a temporary + * value is stored for later use. + * + * @param member The member whose name should be visited. + */ + function visitPropertyNameOfClassElement(member) { + var name = member.name; + // Computed property names need to be transformed into a hoisted variable when they are used more than once. + // The names are used more than once when: + // - the property is non-static and its initializer is moved to the constructor (when there are parameter property assignments). + // - the property has a decorator. + if (ts.isComputedPropertyName(name) && ((!ts.hasStaticModifier(member) && currentClassHasParameterProperties) || ts.some(member.decorators))) { + var expression = ts.visitNode(name.expression, visitor, ts.isExpression); + var innerExpression = ts.skipPartiallyEmittedExpressions(expression); + if (!ts.isSimpleInlineableExpression(innerExpression)) { + var generatedName = factory.getGeneratedNameForNode(name); + hoistVariableDeclaration(generatedName); + return factory.updateComputedPropertyName(name, factory.createAssignment(generatedName, expression)); + } + } + return ts.visitNode(name, visitor, ts.isPropertyName); + } + /** + * Transforms a HeritageClause with TypeScript syntax. + * + * This function will only be called when one of the following conditions are met: + * - The node is a non-`extends` heritage clause that should be elided. + * - The node is an `extends` heritage clause that should be visited, but only allow a single type. + * + * @param node The HeritageClause to transform. + */ + function visitHeritageClause(node) { + if (node.token === 117 /* SyntaxKind.ImplementsKeyword */) { + // implements clauses are elided + return undefined; + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Transforms an ExpressionWithTypeArguments with TypeScript syntax. + * + * This function will only be called when one of the following conditions are met: + * - The node contains type arguments that should be elided. + * + * @param node The ExpressionWithTypeArguments to transform. + */ + function visitExpressionWithTypeArguments(node) { + return factory.updateExpressionWithTypeArguments(node, ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression), + /*typeArguments*/ undefined); + } + /** + * Determines whether to emit a function-like declaration. We should not emit the + * declaration if it does not have a body. + * + * @param node The declaration node. + */ + function shouldEmitFunctionLikeDeclaration(node) { + return !ts.nodeIsMissing(node.body); + } + function visitPropertyDeclaration(node) { + if (node.flags & 16777216 /* NodeFlags.Ambient */ || ts.hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */)) { + return undefined; + } + var updated = factory.updatePropertyDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), + /*questionOrExclamationToken*/ undefined, + /*type*/ undefined, ts.visitNode(node.initializer, visitor)); + if (updated !== node) { + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(updated, node); + ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node)); + } + return updated; + } + function visitConstructor(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return undefined; + } + return factory.updateConstructorDeclaration(node, + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.visitParameterList(node.parameters, visitor, context), transformConstructorBody(node.body, node)); + } + function transformConstructorBody(body, constructor) { + var parametersWithPropertyAssignments = constructor && + ts.filter(constructor.parameters, function (p) { return ts.isParameterPropertyDeclaration(p, constructor); }); + if (!ts.some(parametersWithPropertyAssignments)) { + return ts.visitFunctionBody(body, visitor, context); + } + var statements = []; + resumeLexicalEnvironment(); + var prologueStatementCount = factory.copyPrologue(body.statements, statements, /*ensureUseStrict*/ false, visitor); + var superStatementIndex = ts.findSuperStatementIndex(body.statements, prologueStatementCount); + // If there was a super call, visit existing statements up to and including it + if (superStatementIndex >= 0) { + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, prologueStatementCount, superStatementIndex + 1 - prologueStatementCount)); + } + // Transform parameters into property assignments. Transforms this: + // + // constructor (public x, public y) { + // } + // + // Into this: + // + // constructor (x, y) { + // this.x = x; + // this.y = y; + // } + // + var parameterPropertyAssignments = ts.mapDefined(parametersWithPropertyAssignments, transformParameterWithPropertyAssignment); + // If there is a super() call, the parameter properties go immediately after it + if (superStatementIndex >= 0) { + ts.addRange(statements, parameterPropertyAssignments); + } + // Since there was no super() call, parameter properties are the first statements in the constructor after any prologue statements + else { + statements = __spreadArray(__spreadArray(__spreadArray([], statements.slice(0, prologueStatementCount), true), parameterPropertyAssignments, true), statements.slice(prologueStatementCount), true); + } + // Add remaining statements from the body, skipping the super() call if it was found and any (already added) prologue statements + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, superStatementIndex + 1 + prologueStatementCount)); + // End the lexical environment. + statements = factory.mergeLexicalEnvironment(statements, endLexicalEnvironment()); + var block = factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), body.statements), /*multiLine*/ true); + ts.setTextRange(block, /*location*/ body); + ts.setOriginalNode(block, body); + return block; + } + /** + * Transforms a parameter into a property assignment statement. + * + * @param node The parameter declaration. + */ + function transformParameterWithPropertyAssignment(node) { + var name = node.name; + if (!ts.isIdentifier(name)) { + return undefined; + } + // TODO(rbuckton): Does this need to be parented? + var propertyName = ts.setParent(ts.setTextRange(factory.cloneNode(name), name), name.parent); + ts.setEmitFlags(propertyName, 1536 /* EmitFlags.NoComments */ | 48 /* EmitFlags.NoSourceMap */); + // TODO(rbuckton): Does this need to be parented? + var localName = ts.setParent(ts.setTextRange(factory.cloneNode(name), name), name.parent); + ts.setEmitFlags(localName, 1536 /* EmitFlags.NoComments */); + return ts.startOnNewLine(ts.removeAllComments(ts.setTextRange(ts.setOriginalNode(factory.createExpressionStatement(factory.createAssignment(ts.setTextRange(factory.createPropertyAccessExpression(factory.createThis(), propertyName), node.name), localName)), node), ts.moveRangePos(node, -1)))); + } + function visitMethodDeclaration(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return undefined; + } + var updated = factory.updateMethodDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, visitPropertyNameOfClassElement(node), + /*questionToken*/ undefined, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context)); + if (updated !== node) { + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(updated, node); + ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node)); + } + return updated; + } + /** + * Determines whether to emit an accessor declaration. We should not emit the + * declaration if it does not have a body and is abstract. + * + * @param node The declaration node. + */ + function shouldEmitAccessorDeclaration(node) { + return !(ts.nodeIsMissing(node.body) && ts.hasSyntacticModifier(node, 128 /* ModifierFlags.Abstract */)); + } + function visitGetAccessor(node) { + if (!shouldEmitAccessorDeclaration(node)) { + return undefined; + } + var updated = factory.updateGetAccessorDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context) || factory.createBlock([])); + if (updated !== node) { + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(updated, node); + ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node)); + } + return updated; + } + function visitSetAccessor(node) { + if (!shouldEmitAccessorDeclaration(node)) { + return undefined; + } + var updated = factory.updateSetAccessorDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitParameterList(node.parameters, visitor, context), ts.visitFunctionBody(node.body, visitor, context) || factory.createBlock([])); + if (updated !== node) { + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(updated, node); + ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node)); + } + return updated; + } + function visitFunctionDeclaration(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return factory.createNotEmittedStatement(node); + } + var updated = factory.updateFunctionDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context) || factory.createBlock([])); + if (isExportOfNamespace(node)) { + var statements = [updated]; + addExportMemberAssignment(statements, node); + return statements; + } + return updated; + } + function visitFunctionExpression(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return factory.createOmittedExpression(); + } + var updated = factory.updateFunctionExpression(node, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context) || factory.createBlock([])); + return updated; + } + function visitArrowFunction(node) { + var updated = factory.updateArrowFunction(node, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, node.equalsGreaterThanToken, ts.visitFunctionBody(node.body, visitor, context)); + return updated; + } + function visitParameter(node) { + if (ts.parameterIsThisKeyword(node)) { + return undefined; + } + var updated = factory.updateParameterDeclaration(node, + /*decorators*/ undefined, + /*modifiers*/ undefined, node.dotDotDotToken, ts.visitNode(node.name, visitor, ts.isBindingName), + /*questionToken*/ undefined, + /*type*/ undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); + if (updated !== node) { + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(updated, node); + ts.setTextRange(updated, ts.moveRangePastModifiers(node)); + ts.setSourceMapRange(updated, ts.moveRangePastModifiers(node)); + ts.setEmitFlags(updated.name, 32 /* EmitFlags.NoTrailingSourceMap */); + } + return updated; + } + function visitVariableStatement(node) { + if (isExportOfNamespace(node)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + // elide statement if there are no initialized variables. + return undefined; + } + return ts.setTextRange(factory.createExpressionStatement(factory.inlineExpressions(ts.map(variables, transformInitializedVariable))), node); + } + else { + return ts.visitEachChild(node, visitor, context); + } + } + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenDestructuringAssignment(node, visitor, context, 0 /* FlattenLevel.All */, + /*needsValue*/ false, createNamespaceExportExpression); + } + else { + return ts.setTextRange(factory.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(name), ts.visitNode(node.initializer, visitor, ts.isExpression)), + /*location*/ node); + } + } + function visitVariableDeclaration(node) { + var updated = factory.updateVariableDeclaration(node, ts.visitNode(node.name, visitor, ts.isBindingName), + /*exclamationToken*/ undefined, + /*type*/ undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); + if (node.type) { + ts.setTypeNode(updated.name, node.type); + } + return updated; + } + function visitParenthesizedExpression(node) { + var innerExpression = ts.skipOuterExpressions(node.expression, ~6 /* OuterExpressionKinds.Assertions */); + if (ts.isAssertionExpression(innerExpression)) { + // Make sure we consider all nested cast expressions, e.g.: + // (-A).x; + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + // We have an expression of the form: (SubExpr). Emitting this as (SubExpr) + // is really not desirable. We would like to emit the subexpression as-is. Omitting + // the parentheses, however, could cause change in the semantics of the generated + // code if the casted expression has a lower precedence than the rest of the + // expression. + // + // To preserve comments, we return a "PartiallyEmittedExpression" here which will + // preserve the position information of the original expression. + // + // Due to the auto-parenthesization rules used by the visitor and factory functions + // we can safely elide the parentheses here, as a new synthetic + // ParenthesizedExpression will be inserted if we remove parentheses too + // aggressively. + // + // If there are leading comments on the expression itself, the emitter will handle ASI + // for return, throw, and yield by re-introducing parenthesis during emit on an as-need + // basis. + return factory.createPartiallyEmittedExpression(expression, node); + } + return ts.visitEachChild(node, visitor, context); + } + function visitAssertionExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + return factory.createPartiallyEmittedExpression(expression, node); + } + function visitNonNullExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); + return factory.createPartiallyEmittedExpression(expression, node); + } + function visitCallExpression(node) { + return factory.updateCallExpression(node, ts.visitNode(node.expression, visitor, ts.isExpression), + /*typeArguments*/ undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function visitNewExpression(node) { + return factory.updateNewExpression(node, ts.visitNode(node.expression, visitor, ts.isExpression), + /*typeArguments*/ undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function visitTaggedTemplateExpression(node) { + return factory.updateTaggedTemplateExpression(node, ts.visitNode(node.tag, visitor, ts.isExpression), + /*typeArguments*/ undefined, ts.visitNode(node.template, visitor, ts.isExpression)); + } + function visitJsxSelfClosingElement(node) { + return factory.updateJsxSelfClosingElement(node, ts.visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), + /*typeArguments*/ undefined, ts.visitNode(node.attributes, visitor, ts.isJsxAttributes)); + } + function visitJsxJsxOpeningElement(node) { + return factory.updateJsxOpeningElement(node, ts.visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), + /*typeArguments*/ undefined, ts.visitNode(node.attributes, visitor, ts.isJsxAttributes)); + } + /** + * Determines whether to emit an enum declaration. + * + * @param node The enum declaration node. + */ + function shouldEmitEnumDeclaration(node) { + return !ts.isEnumConst(node) + || ts.shouldPreserveConstEnums(compilerOptions); + } + /** + * Visits an enum declaration. + * + * This function will be called any time a TypeScript enum is encountered. + * + * @param node The enum declaration node. + */ + function visitEnumDeclaration(node) { + if (!shouldEmitEnumDeclaration(node)) { + return factory.createNotEmittedStatement(node); + } + var statements = []; + // We request to be advised when the printer is about to print this node. This allows + // us to set up the correct state for later substitutions. + var emitFlags = 2 /* EmitFlags.AdviseOnEmitNode */; + // If needed, we should emit a variable declaration for the enum. If we emit + // a leading variable declaration, we should not emit leading comments for the + // enum body. + var varAdded = addVarForEnumOrModuleDeclaration(statements, node); + if (varAdded) { + // We should still emit the comments if we are emitting a system module. + if (moduleKind !== ts.ModuleKind.System || currentLexicalScope !== currentSourceFile) { + emitFlags |= 512 /* EmitFlags.NoLeadingComments */; + } + } + // `parameterName` is the declaration name used inside of the enum. + var parameterName = getNamespaceParameterName(node); + // `containerName` is the expression used inside of the enum for assignments. + var containerName = getNamespaceContainerName(node); + // `exportName` is the expression used within this node's container for any exported references. + var exportName = ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */) + ? factory.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, /*allowComments*/ false, /*allowSourceMaps*/ true) + : factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true); + // x || (x = {}) + // exports.x || (exports.x = {}) + var moduleArg = factory.createLogicalOr(exportName, factory.createAssignment(exportName, factory.createObjectLiteralExpression())); + if (hasNamespaceQualifiedExportName(node)) { + // `localName` is the expression used within this node's containing scope for any local references. + var localName = factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true); + // x = (exports.x || (exports.x = {})) + moduleArg = factory.createAssignment(localName, moduleArg); + } + // (function (x) { + // x[x["y"] = 0] = "y"; + // ... + // })(x || (x = {})); + var enumStatement = factory.createExpressionStatement(factory.createCallExpression(factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, parameterName)], + /*type*/ undefined, transformEnumBody(node, containerName)), + /*typeArguments*/ undefined, [moduleArg])); + ts.setOriginalNode(enumStatement, node); + if (varAdded) { + // If a variable was added, synthetic comments are emitted on it, not on the moduleStatement. + ts.setSyntheticLeadingComments(enumStatement, undefined); + ts.setSyntheticTrailingComments(enumStatement, undefined); + } + ts.setTextRange(enumStatement, node); + ts.addEmitFlags(enumStatement, emitFlags); + statements.push(enumStatement); + // Add a DeclarationMarker for the enum to preserve trailing comments and mark + // the end of the declaration. + statements.push(factory.createEndOfDeclarationMarker(node)); + return statements; + } + /** + * Transforms the body of an enum declaration. + * + * @param node The enum declaration node. + */ + function transformEnumBody(node, localName) { + var savedCurrentNamespaceLocalName = currentNamespaceContainerName; + currentNamespaceContainerName = localName; + var statements = []; + startLexicalEnvironment(); + var members = ts.map(node.members, transformEnumMember); + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + ts.addRange(statements, members); + currentNamespaceContainerName = savedCurrentNamespaceLocalName; + return factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), /*location*/ node.members), + /*multiLine*/ true); + } + /** + * Transforms an enum member into a statement. + * + * @param member The enum member node. + */ + function transformEnumMember(member) { + // enums don't support computed properties + // we pass false as 'generateNameForComputedPropertyName' for a backward compatibility purposes + // old emitter always generate 'expression' part of the name as-is. + var name = getExpressionForPropertyName(member, /*generateNameForComputedPropertyName*/ false); + var valueExpression = transformEnumMemberDeclarationValue(member); + var innerAssignment = factory.createAssignment(factory.createElementAccessExpression(currentNamespaceContainerName, name), valueExpression); + var outerAssignment = valueExpression.kind === 10 /* SyntaxKind.StringLiteral */ ? + innerAssignment : + factory.createAssignment(factory.createElementAccessExpression(currentNamespaceContainerName, innerAssignment), name); + return ts.setTextRange(factory.createExpressionStatement(ts.setTextRange(outerAssignment, member)), member); + } + /** + * Transforms the value of an enum member. + * + * @param member The enum member node. + */ + function transformEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + return typeof value === "string" ? factory.createStringLiteral(value) : factory.createNumericLiteral(value); + } + else { + enableSubstitutionForNonQualifiedEnumMembers(); + if (member.initializer) { + return ts.visitNode(member.initializer, visitor, ts.isExpression); + } + else { + return factory.createVoidZero(); + } + } + } + /** + * Determines whether to elide a module declaration. + * + * @param node The module declaration node. + */ + function shouldEmitModuleDeclaration(nodeIn) { + var node = ts.getParseTreeNode(nodeIn, ts.isModuleDeclaration); + if (!node) { + // If we can't find a parse tree node, assume the node is instantiated. + return true; + } + return ts.isInstantiatedModule(node, ts.shouldPreserveConstEnums(compilerOptions)); + } + /** + * Determines whether an exported declaration will have a qualified export name (e.g. `f.x` + * or `exports.x`). + */ + function hasNamespaceQualifiedExportName(node) { + return isExportOfNamespace(node) + || (isExternalModuleExport(node) + && moduleKind !== ts.ModuleKind.ES2015 + && moduleKind !== ts.ModuleKind.ES2020 + && moduleKind !== ts.ModuleKind.ES2022 + && moduleKind !== ts.ModuleKind.ESNext + && moduleKind !== ts.ModuleKind.System); + } + /** + * Records that a declaration was emitted in the current scope, if it was the first + * declaration for the provided symbol. + */ + function recordEmittedDeclarationInScope(node) { + if (!currentScopeFirstDeclarationsOfName) { + currentScopeFirstDeclarationsOfName = new ts.Map(); + } + var name = declaredNameInScope(node); + if (!currentScopeFirstDeclarationsOfName.has(name)) { + currentScopeFirstDeclarationsOfName.set(name, node); + } + } + /** + * Determines whether a declaration is the first declaration with + * the same name emitted in the current scope. + */ + function isFirstEmittedDeclarationInScope(node) { + if (currentScopeFirstDeclarationsOfName) { + var name = declaredNameInScope(node); + return currentScopeFirstDeclarationsOfName.get(name) === node; + } + return true; + } + function declaredNameInScope(node) { + ts.Debug.assertNode(node.name, ts.isIdentifier); + return node.name.escapedText; + } + /** + * Adds a leading VariableStatement for a enum or module declaration. + */ + function addVarForEnumOrModuleDeclaration(statements, node) { + // Emit a variable statement for the module. We emit top-level enums as a `var` + // declaration to avoid static errors in global scripts scripts due to redeclaration. + // enums in any other scope are emitted as a `let` declaration. + var statement = factory.createVariableStatement(ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true)) + ], currentLexicalScope.kind === 305 /* SyntaxKind.SourceFile */ ? 0 /* NodeFlags.None */ : 1 /* NodeFlags.Let */)); + ts.setOriginalNode(statement, node); + recordEmittedDeclarationInScope(node); + if (isFirstEmittedDeclarationInScope(node)) { + // Adjust the source map emit to match the old emitter. + if (node.kind === 260 /* SyntaxKind.EnumDeclaration */) { + ts.setSourceMapRange(statement.declarationList, node); + } + else { + ts.setSourceMapRange(statement, node); + } + // Trailing comments for module declaration should be emitted after the function closure + // instead of the variable statement: + // + // /** Module comment*/ + // module m1 { + // function foo4Export() { + // } + // } // trailing comment module + // + // Should emit: + // + // /** Module comment*/ + // var m1; + // (function (m1) { + // function foo4Export() { + // } + // })(m1 || (m1 = {})); // trailing comment module + // + ts.setCommentRange(statement, node); + ts.addEmitFlags(statement, 1024 /* EmitFlags.NoTrailingComments */ | 4194304 /* EmitFlags.HasEndOfDeclarationMarker */); + statements.push(statement); + return true; + } + else { + // For an EnumDeclaration or ModuleDeclaration that merges with a preceeding + // declaration we do not emit a leading variable declaration. To preserve the + // begin/end semantics of the declararation and to properly handle exports + // we wrap the leading variable declaration in a `MergeDeclarationMarker`. + var mergeMarker = factory.createMergeDeclarationMarker(statement); + ts.setEmitFlags(mergeMarker, 1536 /* EmitFlags.NoComments */ | 4194304 /* EmitFlags.HasEndOfDeclarationMarker */); + statements.push(mergeMarker); + return false; + } + } + /** + * Visits a module declaration node. + * + * This function will be called any time a TypeScript namespace (ModuleDeclaration) is encountered. + * + * @param node The module declaration node. + */ + function visitModuleDeclaration(node) { + if (!shouldEmitModuleDeclaration(node)) { + return factory.createNotEmittedStatement(node); + } + ts.Debug.assertNode(node.name, ts.isIdentifier, "A TypeScript namespace should have an Identifier name."); + enableSubstitutionForNamespaceExports(); + var statements = []; + // We request to be advised when the printer is about to print this node. This allows + // us to set up the correct state for later substitutions. + var emitFlags = 2 /* EmitFlags.AdviseOnEmitNode */; + // If needed, we should emit a variable declaration for the module. If we emit + // a leading variable declaration, we should not emit leading comments for the + // module body. + var varAdded = addVarForEnumOrModuleDeclaration(statements, node); + if (varAdded) { + // We should still emit the comments if we are emitting a system module. + if (moduleKind !== ts.ModuleKind.System || currentLexicalScope !== currentSourceFile) { + emitFlags |= 512 /* EmitFlags.NoLeadingComments */; + } + } + // `parameterName` is the declaration name used inside of the namespace. + var parameterName = getNamespaceParameterName(node); + // `containerName` is the expression used inside of the namespace for exports. + var containerName = getNamespaceContainerName(node); + // `exportName` is the expression used within this node's container for any exported references. + var exportName = ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */) + ? factory.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, /*allowComments*/ false, /*allowSourceMaps*/ true) + : factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true); + // x || (x = {}) + // exports.x || (exports.x = {}) + var moduleArg = factory.createLogicalOr(exportName, factory.createAssignment(exportName, factory.createObjectLiteralExpression())); + if (hasNamespaceQualifiedExportName(node)) { + // `localName` is the expression used within this node's containing scope for any local references. + var localName = factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true); + // x = (exports.x || (exports.x = {})) + moduleArg = factory.createAssignment(localName, moduleArg); + } + // (function (x_1) { + // x_1.y = ...; + // })(x || (x = {})); + var moduleStatement = factory.createExpressionStatement(factory.createCallExpression(factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, parameterName)], + /*type*/ undefined, transformModuleBody(node, containerName)), + /*typeArguments*/ undefined, [moduleArg])); + ts.setOriginalNode(moduleStatement, node); + if (varAdded) { + // If a variable was added, synthetic comments are emitted on it, not on the moduleStatement. + ts.setSyntheticLeadingComments(moduleStatement, undefined); + ts.setSyntheticTrailingComments(moduleStatement, undefined); + } + ts.setTextRange(moduleStatement, node); + ts.addEmitFlags(moduleStatement, emitFlags); + statements.push(moduleStatement); + // Add a DeclarationMarker for the namespace to preserve trailing comments and mark + // the end of the declaration. + statements.push(factory.createEndOfDeclarationMarker(node)); + return statements; + } + /** + * Transforms the body of a module declaration. + * + * @param node The module declaration node. + */ + function transformModuleBody(node, namespaceLocalName) { + var savedCurrentNamespaceContainerName = currentNamespaceContainerName; + var savedCurrentNamespace = currentNamespace; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; + currentNamespaceContainerName = namespaceLocalName; + currentNamespace = node; + currentScopeFirstDeclarationsOfName = undefined; + var statements = []; + startLexicalEnvironment(); + var statementsLocation; + var blockLocation; + if (node.body) { + if (node.body.kind === 262 /* SyntaxKind.ModuleBlock */) { + saveStateAndInvoke(node.body, function (body) { return ts.addRange(statements, ts.visitNodes(body.statements, namespaceElementVisitor, ts.isStatement)); }); + statementsLocation = node.body.statements; + blockLocation = node.body; + } + else { + var result = visitModuleDeclaration(node.body); + if (result) { + if (ts.isArray(result)) { + ts.addRange(statements, result); + } + else { + statements.push(result); + } + } + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + statementsLocation = ts.moveRangePos(moduleBlock.statements, -1); + } + } + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + currentNamespaceContainerName = savedCurrentNamespaceContainerName; + currentNamespace = savedCurrentNamespace; + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + var block = factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), + /*location*/ statementsLocation), + /*multiLine*/ true); + ts.setTextRange(block, blockLocation); + // namespace hello.hi.world { + // function foo() {} + // + // // TODO, blah + // } + // + // should be emitted as + // + // var hello; + // (function (hello) { + // var hi; + // (function (hi) { + // var world; + // (function (world) { + // function foo() { } + // // TODO, blah + // })(world = hi.world || (hi.world = {})); + // })(hi = hello.hi || (hello.hi = {})); + // })(hello || (hello = {})); + // We only want to emit comment on the namespace which contains block body itself, not the containing namespaces. + if (!node.body || node.body.kind !== 262 /* SyntaxKind.ModuleBlock */) { + ts.setEmitFlags(block, ts.getEmitFlags(block) | 1536 /* EmitFlags.NoComments */); + } + return block; + } + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 261 /* SyntaxKind.ModuleDeclaration */) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; + } + } + /** + * Visits an import declaration, eliding it if it is type-only or if it has an import clause that may be elided. + * + * @param node The import declaration node. + */ + function visitImportDeclaration(node) { + if (!node.importClause) { + // Do not elide a side-effect only import declaration. + // import "foo"; + return node; + } + if (node.importClause.isTypeOnly) { + // Always elide type-only imports + return undefined; + } + // Elide the declaration if the import clause was elided. + var importClause = ts.visitNode(node.importClause, visitImportClause, ts.isImportClause); + return importClause || + compilerOptions.importsNotUsedAsValues === 1 /* ImportsNotUsedAsValues.Preserve */ || + compilerOptions.importsNotUsedAsValues === 2 /* ImportsNotUsedAsValues.Error */ + ? factory.updateImportDeclaration(node, + /*decorators*/ undefined, + /*modifiers*/ undefined, importClause, node.moduleSpecifier, node.assertClause) + : undefined; + } + /** + * Visits an import clause, eliding it if its `name` and `namedBindings` may both be elided. + * + * @param node The import clause node. + */ + function visitImportClause(node) { + ts.Debug.assert(!node.isTypeOnly); + // Elide the import clause if we elide both its name and its named bindings. + var name = shouldEmitAliasDeclaration(node) ? node.name : undefined; + var namedBindings = ts.visitNode(node.namedBindings, visitNamedImportBindings, ts.isNamedImportBindings); + return (name || namedBindings) ? factory.updateImportClause(node, /*isTypeOnly*/ false, name, namedBindings) : undefined; + } + /** + * Visits named import bindings, eliding them if their targets, their references, and the compilation settings allow. + * + * @param node The named import bindings node. + */ + function visitNamedImportBindings(node) { + if (node.kind === 268 /* SyntaxKind.NamespaceImport */) { + // Elide a namespace import if it is not referenced. + return shouldEmitAliasDeclaration(node) ? node : undefined; + } + else { + // Elide named imports if all of its import specifiers are elided and settings allow. + var allowEmpty = compilerOptions.preserveValueImports && (compilerOptions.importsNotUsedAsValues === 1 /* ImportsNotUsedAsValues.Preserve */ || + compilerOptions.importsNotUsedAsValues === 2 /* ImportsNotUsedAsValues.Error */); + var elements = ts.visitNodes(node.elements, visitImportSpecifier, ts.isImportSpecifier); + return allowEmpty || ts.some(elements) ? factory.updateNamedImports(node, elements) : undefined; + } + } + /** + * Visits an import specifier, eliding it if its target, its references, and the compilation settings allow. + * + * @param node The import specifier node. + */ + function visitImportSpecifier(node) { + return !node.isTypeOnly && shouldEmitAliasDeclaration(node) ? node : undefined; + } + /** + * Visits an export assignment, eliding it if it does not contain a clause that resolves + * to a value. + * + * @param node The export assignment node. + */ + function visitExportAssignment(node) { + // Elide the export assignment if it does not reference a value. + return resolver.isValueAliasDeclaration(node) + ? ts.visitEachChild(node, visitor, context) + : undefined; + } + /** + * Visits an export declaration, eliding it if it does not contain a clause that resolves to a value. + * + * @param node The export declaration node. + */ + function visitExportDeclaration(node) { + if (node.isTypeOnly) { + return undefined; + } + if (!node.exportClause || ts.isNamespaceExport(node.exportClause)) { + // never elide `export from ` declarations - + // they should be kept for sideffects/untyped exports, even when the + // type checker doesn't know about any exports + return node; + } + // Elide the export declaration if all of its named exports are elided. + var allowEmpty = !!node.moduleSpecifier && (compilerOptions.importsNotUsedAsValues === 1 /* ImportsNotUsedAsValues.Preserve */ || + compilerOptions.importsNotUsedAsValues === 2 /* ImportsNotUsedAsValues.Error */); + var exportClause = ts.visitNode(node.exportClause, function (bindings) { return visitNamedExportBindings(bindings, allowEmpty); }, ts.isNamedExportBindings); + return exportClause + ? factory.updateExportDeclaration(node, + /*decorators*/ undefined, + /*modifiers*/ undefined, node.isTypeOnly, exportClause, node.moduleSpecifier, node.assertClause) + : undefined; + } + /** + * Visits named exports, eliding it if it does not contain an export specifier that + * resolves to a value. + * + * @param node The named exports node. + */ + function visitNamedExports(node, allowEmpty) { + // Elide the named exports if all of its export specifiers were elided. + var elements = ts.visitNodes(node.elements, visitExportSpecifier, ts.isExportSpecifier); + return allowEmpty || ts.some(elements) ? factory.updateNamedExports(node, elements) : undefined; + } + function visitNamespaceExports(node) { + return factory.updateNamespaceExport(node, ts.visitNode(node.name, visitor, ts.isIdentifier)); + } + function visitNamedExportBindings(node, allowEmpty) { + return ts.isNamespaceExport(node) ? visitNamespaceExports(node) : visitNamedExports(node, allowEmpty); + } + /** + * Visits an export specifier, eliding it if it does not resolve to a value. + * + * @param node The export specifier node. + */ + function visitExportSpecifier(node) { + // Elide an export specifier if it does not reference a value. + return !node.isTypeOnly && resolver.isValueAliasDeclaration(node) ? node : undefined; + } + /** + * Determines whether to emit an import equals declaration. + * + * @param node The import equals declaration node. + */ + function shouldEmitImportEqualsDeclaration(node) { + // preserve old compiler's behavior: emit 'var' for import declaration (even if we do not consider them referenced) when + // - current file is not external module + // - import declaration is top level and target is value imported by entity name + return shouldEmitAliasDeclaration(node) + || (!ts.isExternalModule(currentSourceFile) + && resolver.isTopLevelValueImportEqualsWithEntityName(node)); + } + /** + * Visits an import equals declaration. + * + * @param node The import equals declaration node. + */ + function visitImportEqualsDeclaration(node) { + // Always elide type-only imports + if (node.isTypeOnly) { + return undefined; + } + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + var isReferenced = shouldEmitAliasDeclaration(node); + // If the alias is unreferenced but we want to keep the import, replace with 'import "mod"'. + if (!isReferenced && compilerOptions.importsNotUsedAsValues === 1 /* ImportsNotUsedAsValues.Preserve */) { + return ts.setOriginalNode(ts.setTextRange(factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*importClause*/ undefined, node.moduleReference.expression, + /*assertClause*/ undefined), node), node); + } + return isReferenced ? ts.visitEachChild(node, visitor, context) : undefined; + } + if (!shouldEmitImportEqualsDeclaration(node)) { + return undefined; + } + var moduleReference = ts.createExpressionFromEntityName(factory, node.moduleReference); + ts.setEmitFlags(moduleReference, 1536 /* EmitFlags.NoComments */ | 2048 /* EmitFlags.NoNestedComments */); + if (isNamedExternalModuleExport(node) || !isExportOfNamespace(node)) { + // export var ${name} = ${moduleReference}; + // var ${name} = ${moduleReference}; + return ts.setOriginalNode(ts.setTextRange(factory.createVariableStatement(ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), factory.createVariableDeclarationList([ + ts.setOriginalNode(factory.createVariableDeclaration(node.name, + /*exclamationToken*/ undefined, + /*type*/ undefined, moduleReference), node) + ])), node), node); + } + else { + // exports.${name} = ${moduleReference}; + return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node); + } + } + /** + * Gets a value indicating whether the node is exported from a namespace. + * + * @param node The node to test. + */ + function isExportOfNamespace(node) { + return currentNamespace !== undefined && ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */); + } + /** + * Gets a value indicating whether the node is exported from an external module. + * + * @param node The node to test. + */ + function isExternalModuleExport(node) { + return currentNamespace === undefined && ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */); + } + /** + * Gets a value indicating whether the node is a named export from an external module. + * + * @param node The node to test. + */ + function isNamedExternalModuleExport(node) { + return isExternalModuleExport(node) + && !ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */); + } + /** + * Gets a value indicating whether the node is the default export of an external module. + * + * @param node The node to test. + */ + function isDefaultExternalModuleExport(node) { + return isExternalModuleExport(node) + && ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */); + } + /** + * Creates a statement for the provided expression. This is used in calls to `map`. + */ + function expressionToStatement(expression) { + return factory.createExpressionStatement(expression); + } + function addExportMemberAssignment(statements, node) { + var expression = factory.createAssignment(factory.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, /*allowComments*/ false, /*allowSourceMaps*/ true), factory.getLocalName(node)); + ts.setSourceMapRange(expression, ts.createRange(node.name ? node.name.pos : node.pos, node.end)); + var statement = factory.createExpressionStatement(expression); + ts.setSourceMapRange(statement, ts.createRange(-1, node.end)); + statements.push(statement); + } + function createNamespaceExport(exportName, exportValue, location) { + return ts.setTextRange(factory.createExpressionStatement(factory.createAssignment(factory.getNamespaceMemberName(currentNamespaceContainerName, exportName, /*allowComments*/ false, /*allowSourceMaps*/ true), exportValue)), location); + } + function createNamespaceExportExpression(exportName, exportValue, location) { + return ts.setTextRange(factory.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(exportName), exportValue), location); + } + function getNamespaceMemberNameWithSourceMapsAndWithoutComments(name) { + return factory.getNamespaceMemberName(currentNamespaceContainerName, name, /*allowComments*/ false, /*allowSourceMaps*/ true); + } + /** + * Gets the declaration name used inside of a namespace or enum. + */ + function getNamespaceParameterName(node) { + var name = factory.getGeneratedNameForNode(node); + ts.setSourceMapRange(name, node.name); + return name; + } + /** + * Gets the expression used to refer to a namespace or enum within the body + * of its declaration. + */ + function getNamespaceContainerName(node) { + return factory.getGeneratedNameForNode(node); + } + /** + * Gets a local alias for a class declaration if it is a decorated class with an internal + * reference to the static side of the class. This is necessary to avoid issues with + * double-binding semantics for the class name. + */ + function getClassAliasIfNeeded(node) { + if (resolver.getNodeCheckFlags(node) & 16777216 /* NodeCheckFlags.ClassWithConstructorReference */) { + enableSubstitutionForClassAliases(); + var classAlias = factory.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? ts.idText(node.name) : "default"); + classAliases[ts.getOriginalNodeId(node)] = classAlias; + hoistVariableDeclaration(classAlias); + return classAlias; + } + } + function getClassPrototype(node) { + return factory.createPropertyAccessExpression(factory.getDeclarationName(node), "prototype"); + } + function getClassMemberPrefix(node, member) { + return ts.isStatic(member) + ? factory.getDeclarationName(node) + : getClassPrototype(node); + } + function enableSubstitutionForNonQualifiedEnumMembers() { + if ((enabledSubstitutions & 8 /* TypeScriptSubstitutionFlags.NonQualifiedEnumMembers */) === 0) { + enabledSubstitutions |= 8 /* TypeScriptSubstitutionFlags.NonQualifiedEnumMembers */; + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + } + } + function enableSubstitutionForClassAliases() { + if ((enabledSubstitutions & 1 /* TypeScriptSubstitutionFlags.ClassAliases */) === 0) { + enabledSubstitutions |= 1 /* TypeScriptSubstitutionFlags.ClassAliases */; + // We need to enable substitutions for identifiers. This allows us to + // substitute class names inside of a class declaration. + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + // Keep track of class aliases. + classAliases = []; + } + } + function enableSubstitutionForNamespaceExports() { + if ((enabledSubstitutions & 2 /* TypeScriptSubstitutionFlags.NamespaceExports */) === 0) { + enabledSubstitutions |= 2 /* TypeScriptSubstitutionFlags.NamespaceExports */; + // We need to enable substitutions for identifiers and shorthand property assignments. This allows us to + // substitute the names of exported members of a namespace. + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + context.enableSubstitution(297 /* SyntaxKind.ShorthandPropertyAssignment */); + // We need to be notified when entering and exiting namespaces. + context.enableEmitNotification(261 /* SyntaxKind.ModuleDeclaration */); + } + } + function isTransformedModuleDeclaration(node) { + return ts.getOriginalNode(node).kind === 261 /* SyntaxKind.ModuleDeclaration */; + } + function isTransformedEnumDeclaration(node) { + return ts.getOriginalNode(node).kind === 260 /* SyntaxKind.EnumDeclaration */; + } + /** + * Hook for node emit. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emit A callback used to emit the node in the printer. + */ + function onEmitNode(hint, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + var savedCurrentSourceFile = currentSourceFile; + if (ts.isSourceFile(node)) { + currentSourceFile = node; + } + if (enabledSubstitutions & 2 /* TypeScriptSubstitutionFlags.NamespaceExports */ && isTransformedModuleDeclaration(node)) { + applicableSubstitutions |= 2 /* TypeScriptSubstitutionFlags.NamespaceExports */; + } + if (enabledSubstitutions & 8 /* TypeScriptSubstitutionFlags.NonQualifiedEnumMembers */ && isTransformedEnumDeclaration(node)) { + applicableSubstitutions |= 8 /* TypeScriptSubstitutionFlags.NonQualifiedEnumMembers */; + } + previousOnEmitNode(hint, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; + currentSourceFile = savedCurrentSourceFile; + } + /** + * Hooks node substitutions. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (hint === 1 /* EmitHint.Expression */) { + return substituteExpression(node); + } + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); + } + return node; + } + function substituteShorthandPropertyAssignment(node) { + if (enabledSubstitutions & 2 /* TypeScriptSubstitutionFlags.NamespaceExports */) { + var name = node.name; + var exportedName = trySubstituteNamespaceExportedName(name); + if (exportedName) { + // A shorthand property with an assignment initializer is probably part of a + // destructuring assignment + if (node.objectAssignmentInitializer) { + var initializer = factory.createAssignment(exportedName, node.objectAssignmentInitializer); + return ts.setTextRange(factory.createPropertyAssignment(name, initializer), node); + } + return ts.setTextRange(factory.createPropertyAssignment(name, exportedName), node); + } + } + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return substituteExpressionIdentifier(node); + case 206 /* SyntaxKind.PropertyAccessExpression */: + return substitutePropertyAccessExpression(node); + case 207 /* SyntaxKind.ElementAccessExpression */: + return substituteElementAccessExpression(node); + } + return node; + } + function substituteExpressionIdentifier(node) { + return trySubstituteClassAlias(node) + || trySubstituteNamespaceExportedName(node) + || node; + } + function trySubstituteClassAlias(node) { + if (enabledSubstitutions & 1 /* TypeScriptSubstitutionFlags.ClassAliases */) { + if (resolver.getNodeCheckFlags(node) & 33554432 /* NodeCheckFlags.ConstructorReferenceInClass */) { + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + // Also, when emitting statics for class expressions, we must substitute a class alias for + // constructor references in static property initializers. + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = classAliases[declaration.id]; // TODO: GH#18217 + if (classAlias) { + var clone_2 = factory.cloneNode(classAlias); + ts.setSourceMapRange(clone_2, node); + ts.setCommentRange(clone_2, node); + return clone_2; + } + } + } + } + return undefined; + } + function trySubstituteNamespaceExportedName(node) { + // If this is explicitly a local name, do not substitute. + if (enabledSubstitutions & applicableSubstitutions && !ts.isGeneratedIdentifier(node) && !ts.isLocalName(node)) { + // If we are nested within a namespace declaration, we may need to qualifiy + // an identifier that is exported from a merged namespace. + var container = resolver.getReferencedExportContainer(node, /*prefixLocals*/ false); + if (container && container.kind !== 305 /* SyntaxKind.SourceFile */) { + var substitute = (applicableSubstitutions & 2 /* TypeScriptSubstitutionFlags.NamespaceExports */ && container.kind === 261 /* SyntaxKind.ModuleDeclaration */) || + (applicableSubstitutions & 8 /* TypeScriptSubstitutionFlags.NonQualifiedEnumMembers */ && container.kind === 260 /* SyntaxKind.EnumDeclaration */); + if (substitute) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(container), node), + /*location*/ node); + } + } + } + return undefined; + } + function substitutePropertyAccessExpression(node) { + return substituteConstantValue(node); + } + function substituteElementAccessExpression(node) { + return substituteConstantValue(node); + } + function safeMultiLineComment(value) { + return value.replace(/\*\//g, "*_/"); + } + function substituteConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + // track the constant value on the node for the printer in needsDotDotForPropertyAccess + ts.setConstantValue(node, constantValue); + var substitute = typeof constantValue === "string" ? factory.createStringLiteral(constantValue) : factory.createNumericLiteral(constantValue); + if (!compilerOptions.removeComments) { + var originalNode = ts.getOriginalNode(node, ts.isAccessExpression); + ts.addSyntheticTrailingComment(substitute, 3 /* SyntaxKind.MultiLineCommentTrivia */, " ".concat(safeMultiLineComment(ts.getTextOfNode(originalNode)), " ")); + } + return substitute; + } + return node; + } + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; + } + return ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) ? resolver.getConstantValue(node) : undefined; + } + function shouldEmitAliasDeclaration(node) { + return compilerOptions.preserveValueImports + ? resolver.isValueAliasDeclaration(node) + : resolver.isReferencedAliasDeclaration(node); + } + } + ts.transformTypeScript = transformTypeScript; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var ClassPropertySubstitutionFlags; + (function (ClassPropertySubstitutionFlags) { + /** + * Enables substitutions for class expressions with static fields + * which have initializers that reference the class name. + */ + ClassPropertySubstitutionFlags[ClassPropertySubstitutionFlags["ClassAliases"] = 1] = "ClassAliases"; + /** + * Enables substitutions for class expressions with static fields + * which have initializers that reference the 'this' or 'super'. + */ + ClassPropertySubstitutionFlags[ClassPropertySubstitutionFlags["ClassStaticThisOrSuperReference"] = 2] = "ClassStaticThisOrSuperReference"; + })(ClassPropertySubstitutionFlags || (ClassPropertySubstitutionFlags = {})); + var PrivateIdentifierKind; + (function (PrivateIdentifierKind) { + PrivateIdentifierKind["Field"] = "f"; + PrivateIdentifierKind["Method"] = "m"; + PrivateIdentifierKind["Accessor"] = "a"; + })(PrivateIdentifierKind = ts.PrivateIdentifierKind || (ts.PrivateIdentifierKind = {})); + var ClassFacts; + (function (ClassFacts) { + ClassFacts[ClassFacts["None"] = 0] = "None"; + ClassFacts[ClassFacts["ClassWasDecorated"] = 1] = "ClassWasDecorated"; + ClassFacts[ClassFacts["NeedsClassConstructorReference"] = 2] = "NeedsClassConstructorReference"; + ClassFacts[ClassFacts["NeedsClassSuperReference"] = 4] = "NeedsClassSuperReference"; + ClassFacts[ClassFacts["NeedsSubstitutionForThisInClassStaticField"] = 8] = "NeedsSubstitutionForThisInClassStaticField"; + })(ClassFacts || (ClassFacts = {})); + /** + * Transforms ECMAScript Class Syntax. + * TypeScript parameter property syntax is transformed in the TypeScript transformer. + * For now, this transforms public field declarations using TypeScript class semantics, + * where declarations are elided and initializers are transformed as assignments in the constructor. + * When --useDefineForClassFields is on, this transforms to ECMAScript semantics, with Object.defineProperty. + */ + function transformClassFields(context) { + var factory = context.factory, hoistVariableDeclaration = context.hoistVariableDeclaration, endLexicalEnvironment = context.endLexicalEnvironment, startLexicalEnvironment = context.startLexicalEnvironment, resumeLexicalEnvironment = context.resumeLexicalEnvironment, addBlockScopedVariable = context.addBlockScopedVariable; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var useDefineForClassFields = ts.getUseDefineForClassFields(compilerOptions); + var shouldTransformPrivateElementsOrClassStaticBlocks = languageVersion < 9 /* ScriptTarget.ES2022 */; + // We need to transform `this` in a static initializer into a reference to the class + // when targeting < ES2022 since the assignment will be moved outside of the class body. + var shouldTransformThisInStaticInitializers = languageVersion < 9 /* ScriptTarget.ES2022 */; + // We don't need to transform `super` property access when targeting ES5, ES3 because + // the es2015 transformation handles those. + var shouldTransformSuperInStaticInitializers = shouldTransformThisInStaticInitializers && languageVersion >= 2 /* ScriptTarget.ES2015 */; + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; + var enabledSubstitutions; + var classAliases; + /** + * Tracks what computed name expressions originating from elided names must be inlined + * at the next execution site, in document order + */ + var pendingExpressions; + /** + * Tracks what computed name expression statements and static property initializers must be + * emitted at the next execution site, in document order (for decorated classes). + */ + var pendingStatements; + var classLexicalEnvironmentStack = []; + var classLexicalEnvironmentMap = new ts.Map(); + var currentClassLexicalEnvironment; + var currentComputedPropertyNameClassLexicalEnvironment; + var currentStaticPropertyDeclarationOrStaticBlock; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + var options = context.getCompilerOptions(); + if (node.isDeclarationFile + || useDefineForClassFields && ts.getEmitScriptTarget(options) >= 9 /* ScriptTarget.ES2022 */) { + return node; + } + var visited = ts.visitEachChild(node, visitor, context); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + return visited; + } + function visitorWorker(node, valueIsDiscarded) { + if (node.transformFlags & 8388608 /* TransformFlags.ContainsClassFields */) { + switch (node.kind) { + case 226 /* SyntaxKind.ClassExpression */: + case 257 /* SyntaxKind.ClassDeclaration */: + return visitClassLike(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + return visitPropertyDeclaration(node); + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatement(node); + case 80 /* SyntaxKind.PrivateIdentifier */: + return visitPrivateIdentifier(node); + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return visitClassStaticBlockDeclaration(node); + } + } + if (node.transformFlags & 8388608 /* TransformFlags.ContainsClassFields */ || + node.transformFlags & 33554432 /* TransformFlags.ContainsLexicalSuper */ && + shouldTransformSuperInStaticInitializers && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + switch (node.kind) { + case 219 /* SyntaxKind.PrefixUnaryExpression */: + case 220 /* SyntaxKind.PostfixUnaryExpression */: + return visitPreOrPostfixUnaryExpression(node, valueIsDiscarded); + case 221 /* SyntaxKind.BinaryExpression */: + return visitBinaryExpression(node, valueIsDiscarded); + case 208 /* SyntaxKind.CallExpression */: + return visitCallExpression(node); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return visitTaggedTemplateExpression(node); + case 206 /* SyntaxKind.PropertyAccessExpression */: + return visitPropertyAccessExpression(node); + case 207 /* SyntaxKind.ElementAccessExpression */: + return visitElementAccessExpression(node); + case 238 /* SyntaxKind.ExpressionStatement */: + return visitExpressionStatement(node); + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 171 /* SyntaxKind.Constructor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: { + var savedCurrentStaticPropertyDeclarationOrStaticBlock = currentStaticPropertyDeclarationOrStaticBlock; + currentStaticPropertyDeclarationOrStaticBlock = undefined; + var result = ts.visitEachChild(node, visitor, context); + currentStaticPropertyDeclarationOrStaticBlock = savedCurrentStaticPropertyDeclarationOrStaticBlock; + return result; + } + } + } + return ts.visitEachChild(node, visitor, context); + } + function discardedValueVisitor(node) { + return visitorWorker(node, /*valueIsDiscarded*/ true); + } + function visitor(node) { + return visitorWorker(node, /*valueIsDiscarded*/ false); + } + function heritageClauseVisitor(node) { + switch (node.kind) { + case 291 /* SyntaxKind.HeritageClause */: + return ts.visitEachChild(node, heritageClauseVisitor, context); + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return visitExpressionWithTypeArguments(node); + } + return visitor(node); + } + function visitorDestructuringTarget(node) { + switch (node.kind) { + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return visitAssignmentPattern(node); + default: + return visitor(node); + } + } + /** + * If we visit a private name, this means it is an undeclared private name. + * Replace it with an empty identifier to indicate a problem with the code, + * unless we are in a statement position - otherwise this will not trigger + * a SyntaxError. + */ + function visitPrivateIdentifier(node) { + if (!shouldTransformPrivateElementsOrClassStaticBlocks) { + return node; + } + if (ts.isStatement(node.parent)) { + return node; + } + return ts.setOriginalNode(factory.createIdentifier(""), node); + } + /** + * Visits `#id in expr` + */ + function visitPrivateIdentifierInInExpression(node) { + if (!shouldTransformPrivateElementsOrClassStaticBlocks) { + return node; + } + var privId = node.left; + ts.Debug.assertNode(privId, ts.isPrivateIdentifier); + ts.Debug.assert(node.operatorToken.kind === 101 /* SyntaxKind.InKeyword */); + var info = accessPrivateIdentifier(privId); + if (info) { + var receiver = ts.visitNode(node.right, visitor, ts.isExpression); + return ts.setOriginalNode(context.getEmitHelperFactory().createClassPrivateFieldInHelper(info.brandCheckIdentifier, receiver), node); + } + // Private name has not been declared. Subsequent transformers will handle this error + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits the members of a class that has fields. + * + * @param node The node to visit. + */ + function classElementVisitor(node) { + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + // Constructors for classes using class fields are transformed in + // `visitClassDeclaration` or `visitClassExpression`. + return undefined; + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + return visitMethodOrAccessorDeclaration(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + return visitPropertyDeclaration(node); + case 162 /* SyntaxKind.ComputedPropertyName */: + return visitComputedPropertyName(node); + case 234 /* SyntaxKind.SemicolonClassElement */: + return node; + default: + return visitor(node); + } + } + function visitVariableStatement(node) { + var savedPendingStatements = pendingStatements; + pendingStatements = []; + var visitedNode = ts.visitEachChild(node, visitor, context); + var statement = ts.some(pendingStatements) ? __spreadArray([visitedNode], pendingStatements, true) : + visitedNode; + pendingStatements = savedPendingStatements; + return statement; + } + function visitComputedPropertyName(name) { + var node = ts.visitEachChild(name, visitor, context); + if (ts.some(pendingExpressions)) { + var expressions = pendingExpressions; + expressions.push(node.expression); + pendingExpressions = []; + node = factory.updateComputedPropertyName(node, factory.inlineExpressions(expressions)); + } + return node; + } + function visitMethodOrAccessorDeclaration(node) { + ts.Debug.assert(!ts.some(node.decorators)); + if (!shouldTransformPrivateElementsOrClassStaticBlocks || !ts.isPrivateIdentifier(node.name)) { + return ts.visitEachChild(node, classElementVisitor, context); + } + // leave invalid code untransformed + var info = accessPrivateIdentifier(node.name); + ts.Debug.assert(info, "Undeclared private name for property declaration."); + if (!info.isValid) { + return node; + } + var functionName = getHoistedFunctionName(node); + if (functionName) { + getPendingExpressions().push(factory.createAssignment(functionName, factory.createFunctionExpression(ts.filter(node.modifiers, function (m) { return !ts.isStaticModifier(m); }), node.asteriskToken, functionName, + /* typeParameters */ undefined, ts.visitParameterList(node.parameters, classElementVisitor, context), + /* type */ undefined, ts.visitFunctionBody(node.body, classElementVisitor, context)))); + } + // remove method declaration from class + return undefined; + } + function getHoistedFunctionName(node) { + ts.Debug.assert(ts.isPrivateIdentifier(node.name)); + var info = accessPrivateIdentifier(node.name); + ts.Debug.assert(info, "Undeclared private name for property declaration."); + if (info.kind === "m" /* PrivateIdentifierKind.Method */) { + return info.methodName; + } + if (info.kind === "a" /* PrivateIdentifierKind.Accessor */) { + if (ts.isGetAccessor(node)) { + return info.getterName; + } + if (ts.isSetAccessor(node)) { + return info.setterName; + } + } + } + function visitPropertyDeclaration(node) { + ts.Debug.assert(!ts.some(node.decorators)); + if (ts.isPrivateIdentifier(node.name)) { + if (!shouldTransformPrivateElementsOrClassStaticBlocks) { + if (ts.isStatic(node)) { + // static fields are left as is + return ts.visitEachChild(node, visitor, context); + } + // Initializer is elided as the field is initialized in transformConstructor. + return factory.updatePropertyDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.name, + /*questionOrExclamationToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined); + } + // leave invalid code untransformed + var info = accessPrivateIdentifier(node.name); + ts.Debug.assert(info, "Undeclared private name for property declaration."); + if (!info.isValid) { + return node; + } + } + // Create a temporary variable to store a computed property name (if necessary). + // If it's not inlineable, then we emit an expression after the class which assigns + // the property name to the temporary variable. + var expr = getPropertyNameExpressionIfNeeded(node.name, !!node.initializer || useDefineForClassFields); + if (expr && !ts.isSimpleInlineableExpression(expr)) { + getPendingExpressions().push(expr); + } + if (ts.isStatic(node) && !shouldTransformPrivateElementsOrClassStaticBlocks && !useDefineForClassFields) { + var initializerStatement = transformPropertyOrClassStaticBlock(node, factory.createThis()); + if (initializerStatement) { + var staticBlock = factory.createClassStaticBlockDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, factory.createBlock([initializerStatement])); + ts.setOriginalNode(staticBlock, node); + ts.setCommentRange(staticBlock, node); + // Set the comment range for the statement to an empty synthetic range + // and drop synthetic comments from the statement to avoid printing them twice. + ts.setCommentRange(initializerStatement, { pos: -1, end: -1 }); + ts.setSyntheticLeadingComments(initializerStatement, undefined); + ts.setSyntheticTrailingComments(initializerStatement, undefined); + return staticBlock; + } + } + return undefined; + } + function createPrivateIdentifierAccess(info, receiver) { + return createPrivateIdentifierAccessHelper(info, ts.visitNode(receiver, visitor, ts.isExpression)); + } + function createPrivateIdentifierAccessHelper(info, receiver) { + ts.setCommentRange(receiver, ts.moveRangePos(receiver, -1)); + switch (info.kind) { + case "a" /* PrivateIdentifierKind.Accessor */: + return context.getEmitHelperFactory().createClassPrivateFieldGetHelper(receiver, info.brandCheckIdentifier, info.kind, info.getterName); + case "m" /* PrivateIdentifierKind.Method */: + return context.getEmitHelperFactory().createClassPrivateFieldGetHelper(receiver, info.brandCheckIdentifier, info.kind, info.methodName); + case "f" /* PrivateIdentifierKind.Field */: + return context.getEmitHelperFactory().createClassPrivateFieldGetHelper(receiver, info.brandCheckIdentifier, info.kind, info.variableName); + default: + ts.Debug.assertNever(info, "Unknown private element type"); + } + } + function visitPropertyAccessExpression(node) { + if (shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifier(node.name)) { + var privateIdentifierInfo = accessPrivateIdentifier(node.name); + if (privateIdentifierInfo) { + return ts.setTextRange(ts.setOriginalNode(createPrivateIdentifierAccess(privateIdentifierInfo, node.expression), node), node); + } + } + if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(node) && + ts.isIdentifier(node.name) && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + var classConstructor = currentClassLexicalEnvironment.classConstructor, superClassReference = currentClassLexicalEnvironment.superClassReference, facts = currentClassLexicalEnvironment.facts; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + return visitInvalidSuperProperty(node); + } + if (classConstructor && superClassReference) { + // converts `super.x` into `Reflect.get(_baseTemp, "x", _classTemp)` + var superProperty = factory.createReflectGetCall(superClassReference, factory.createStringLiteralFromNode(node.name), classConstructor); + ts.setOriginalNode(superProperty, node.expression); + ts.setTextRange(superProperty, node.expression); + return superProperty; + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitElementAccessExpression(node) { + if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(node) && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + var classConstructor = currentClassLexicalEnvironment.classConstructor, superClassReference = currentClassLexicalEnvironment.superClassReference, facts = currentClassLexicalEnvironment.facts; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + return visitInvalidSuperProperty(node); + } + if (classConstructor && superClassReference) { + // converts `super[x]` into `Reflect.get(_baseTemp, x, _classTemp)` + var superProperty = factory.createReflectGetCall(superClassReference, ts.visitNode(node.argumentExpression, visitor, ts.isExpression), classConstructor); + ts.setOriginalNode(superProperty, node.expression); + ts.setTextRange(superProperty, node.expression); + return superProperty; + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitPreOrPostfixUnaryExpression(node, valueIsDiscarded) { + if (node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */) { + if (shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifierPropertyAccessExpression(node.operand)) { + var info = void 0; + if (info = accessPrivateIdentifier(node.operand.name)) { + var receiver = ts.visitNode(node.operand.expression, visitor, ts.isExpression); + var _a = createCopiableReceiverExpr(receiver), readExpression = _a.readExpression, initializeExpression = _a.initializeExpression; + var expression = createPrivateIdentifierAccess(info, readExpression); + var temp = ts.isPrefixUnaryExpression(node) || valueIsDiscarded ? undefined : factory.createTempVariable(hoistVariableDeclaration); + expression = ts.expandPreOrPostfixIncrementOrDecrementExpression(factory, node, expression, hoistVariableDeclaration, temp); + expression = createPrivateIdentifierAssignment(info, initializeExpression || readExpression, expression, 63 /* SyntaxKind.EqualsToken */); + ts.setOriginalNode(expression, node); + ts.setTextRange(expression, node); + if (temp) { + expression = factory.createComma(expression, temp); + ts.setTextRange(expression, node); + } + return expression; + } + } + else if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(node.operand) && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + // converts `++super.a` into `(Reflect.set(_baseTemp, "a", (_a = Reflect.get(_baseTemp, "a", _classTemp), _b = ++_a), _classTemp), _b)` + // converts `++super[f()]` into `(Reflect.set(_baseTemp, _a = f(), (_b = Reflect.get(_baseTemp, _a, _classTemp), _c = ++_b), _classTemp), _c)` + // converts `--super.a` into `(Reflect.set(_baseTemp, "a", (_a = Reflect.get(_baseTemp, "a", _classTemp), _b = --_a), _classTemp), _b)` + // converts `--super[f()]` into `(Reflect.set(_baseTemp, _a = f(), (_b = Reflect.get(_baseTemp, _a, _classTemp), _c = --_b), _classTemp), _c)` + // converts `super.a++` into `(Reflect.set(_baseTemp, "a", (_a = Reflect.get(_baseTemp, "a", _classTemp), _b = _a++), _classTemp), _b)` + // converts `super[f()]++` into `(Reflect.set(_baseTemp, _a = f(), (_b = Reflect.get(_baseTemp, _a, _classTemp), _c = _b++), _classTemp), _c)` + // converts `super.a--` into `(Reflect.set(_baseTemp, "a", (_a = Reflect.get(_baseTemp, "a", _classTemp), _b = _a--), _classTemp), _b)` + // converts `super[f()]--` into `(Reflect.set(_baseTemp, _a = f(), (_b = Reflect.get(_baseTemp, _a, _classTemp), _c = _b--), _classTemp), _c)` + var classConstructor = currentClassLexicalEnvironment.classConstructor, superClassReference = currentClassLexicalEnvironment.superClassReference, facts = currentClassLexicalEnvironment.facts; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + var operand = visitInvalidSuperProperty(node.operand); + return ts.isPrefixUnaryExpression(node) ? + factory.updatePrefixUnaryExpression(node, operand) : + factory.updatePostfixUnaryExpression(node, operand); + } + if (classConstructor && superClassReference) { + var setterName = void 0; + var getterName = void 0; + if (ts.isPropertyAccessExpression(node.operand)) { + if (ts.isIdentifier(node.operand.name)) { + getterName = setterName = factory.createStringLiteralFromNode(node.operand.name); + } + } + else { + if (ts.isSimpleInlineableExpression(node.operand.argumentExpression)) { + getterName = setterName = node.operand.argumentExpression; + } + else { + getterName = factory.createTempVariable(hoistVariableDeclaration); + setterName = factory.createAssignment(getterName, ts.visitNode(node.operand.argumentExpression, visitor, ts.isExpression)); + } + } + if (setterName && getterName) { + var expression = factory.createReflectGetCall(superClassReference, getterName, classConstructor); + ts.setTextRange(expression, node.operand); + var temp = valueIsDiscarded ? undefined : factory.createTempVariable(hoistVariableDeclaration); + expression = ts.expandPreOrPostfixIncrementOrDecrementExpression(factory, node, expression, hoistVariableDeclaration, temp); + expression = factory.createReflectSetCall(superClassReference, setterName, expression, classConstructor); + ts.setOriginalNode(expression, node); + ts.setTextRange(expression, node); + if (temp) { + expression = factory.createComma(expression, temp); + ts.setTextRange(expression, node); + } + return expression; + } + } + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitForStatement(node) { + return factory.updateForStatement(node, ts.visitNode(node.initializer, discardedValueVisitor, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, discardedValueVisitor, ts.isExpression), ts.visitIterationBody(node.statement, visitor, context)); + } + function visitExpressionStatement(node) { + return factory.updateExpressionStatement(node, ts.visitNode(node.expression, discardedValueVisitor, ts.isExpression)); + } + function createCopiableReceiverExpr(receiver) { + var clone = ts.nodeIsSynthesized(receiver) ? receiver : factory.cloneNode(receiver); + if (ts.isSimpleInlineableExpression(receiver)) { + return { readExpression: clone, initializeExpression: undefined }; + } + var readExpression = factory.createTempVariable(hoistVariableDeclaration); + var initializeExpression = factory.createAssignment(readExpression, clone); + return { readExpression: readExpression, initializeExpression: initializeExpression }; + } + function visitCallExpression(node) { + if (shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifierPropertyAccessExpression(node.expression)) { + // Transform call expressions of private names to properly bind the `this` parameter. + var _a = factory.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion), thisArg = _a.thisArg, target = _a.target; + if (ts.isCallChain(node)) { + return factory.updateCallChain(node, factory.createPropertyAccessChain(ts.visitNode(target, visitor), node.questionDotToken, "call"), + /*questionDotToken*/ undefined, + /*typeArguments*/ undefined, __spreadArray([ts.visitNode(thisArg, visitor, ts.isExpression)], ts.visitNodes(node.arguments, visitor, ts.isExpression), true)); + } + return factory.updateCallExpression(node, factory.createPropertyAccessExpression(ts.visitNode(target, visitor), "call"), + /*typeArguments*/ undefined, __spreadArray([ts.visitNode(thisArg, visitor, ts.isExpression)], ts.visitNodes(node.arguments, visitor, ts.isExpression), true)); + } + if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(node.expression) && + currentStaticPropertyDeclarationOrStaticBlock && + (currentClassLexicalEnvironment === null || currentClassLexicalEnvironment === void 0 ? void 0 : currentClassLexicalEnvironment.classConstructor)) { + // converts `super.f(...)` into `Reflect.get(_baseTemp, "f", _classTemp).call(_classTemp, ...)` + var invocation = factory.createFunctionCallCall(ts.visitNode(node.expression, visitor, ts.isExpression), currentClassLexicalEnvironment.classConstructor, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + ts.setOriginalNode(invocation, node); + ts.setTextRange(invocation, node); + return invocation; + } + return ts.visitEachChild(node, visitor, context); + } + function visitTaggedTemplateExpression(node) { + if (shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifierPropertyAccessExpression(node.tag)) { + // Bind the `this` correctly for tagged template literals when the tag is a private identifier property access. + var _a = factory.createCallBinding(node.tag, hoistVariableDeclaration, languageVersion), thisArg = _a.thisArg, target = _a.target; + return factory.updateTaggedTemplateExpression(node, factory.createCallExpression(factory.createPropertyAccessExpression(ts.visitNode(target, visitor), "bind"), + /*typeArguments*/ undefined, [ts.visitNode(thisArg, visitor, ts.isExpression)]), + /*typeArguments*/ undefined, ts.visitNode(node.template, visitor, ts.isTemplateLiteral)); + } + if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(node.tag) && + currentStaticPropertyDeclarationOrStaticBlock && + (currentClassLexicalEnvironment === null || currentClassLexicalEnvironment === void 0 ? void 0 : currentClassLexicalEnvironment.classConstructor)) { + // converts `` super.f`x` `` into `` Reflect.get(_baseTemp, "f", _classTemp).bind(_classTemp)`x` `` + var invocation = factory.createFunctionBindCall(ts.visitNode(node.tag, visitor, ts.isExpression), currentClassLexicalEnvironment.classConstructor, []); + ts.setOriginalNode(invocation, node); + ts.setTextRange(invocation, node); + return factory.updateTaggedTemplateExpression(node, invocation, + /*typeArguments*/ undefined, ts.visitNode(node.template, visitor, ts.isTemplateLiteral)); + } + return ts.visitEachChild(node, visitor, context); + } + function transformClassStaticBlockDeclaration(node) { + if (shouldTransformPrivateElementsOrClassStaticBlocks) { + if (currentClassLexicalEnvironment) { + classLexicalEnvironmentMap.set(ts.getOriginalNodeId(node), currentClassLexicalEnvironment); + } + startLexicalEnvironment(); + var savedCurrentStaticPropertyDeclarationOrStaticBlock = currentStaticPropertyDeclarationOrStaticBlock; + currentStaticPropertyDeclarationOrStaticBlock = node; + var statements = ts.visitNodes(node.body.statements, visitor, ts.isStatement); + statements = factory.mergeLexicalEnvironment(statements, endLexicalEnvironment()); + currentStaticPropertyDeclarationOrStaticBlock = savedCurrentStaticPropertyDeclarationOrStaticBlock; + var iife = factory.createImmediatelyInvokedArrowFunction(statements); + ts.setOriginalNode(iife, node); + ts.setTextRange(iife, node); + ts.addEmitFlags(iife, 2 /* EmitFlags.AdviseOnEmitNode */); + return iife; + } + } + function visitBinaryExpression(node, valueIsDiscarded) { + if (ts.isDestructuringAssignment(node)) { + var savedPendingExpressions = pendingExpressions; + pendingExpressions = undefined; + node = factory.updateBinaryExpression(node, ts.visitNode(node.left, visitorDestructuringTarget), node.operatorToken, ts.visitNode(node.right, visitor)); + var expr = ts.some(pendingExpressions) ? + factory.inlineExpressions(ts.compact(__spreadArray(__spreadArray([], pendingExpressions, true), [node], false))) : + node; + pendingExpressions = savedPendingExpressions; + return expr; + } + if (ts.isAssignmentExpression(node)) { + if (shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifierPropertyAccessExpression(node.left)) { + var info = accessPrivateIdentifier(node.left.name); + if (info) { + return ts.setTextRange(ts.setOriginalNode(createPrivateIdentifierAssignment(info, node.left.expression, node.right, node.operatorToken.kind), node), node); + } + } + else if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(node.left) && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + var classConstructor = currentClassLexicalEnvironment.classConstructor, superClassReference = currentClassLexicalEnvironment.superClassReference, facts = currentClassLexicalEnvironment.facts; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + return factory.updateBinaryExpression(node, visitInvalidSuperProperty(node.left), node.operatorToken, ts.visitNode(node.right, visitor, ts.isExpression)); + } + if (classConstructor && superClassReference) { + var setterName = ts.isElementAccessExpression(node.left) ? ts.visitNode(node.left.argumentExpression, visitor, ts.isExpression) : + ts.isIdentifier(node.left.name) ? factory.createStringLiteralFromNode(node.left.name) : + undefined; + if (setterName) { + // converts `super.x = 1` into `(Reflect.set(_baseTemp, "x", _a = 1, _classTemp), _a)` + // converts `super[f()] = 1` into `(Reflect.set(_baseTemp, f(), _a = 1, _classTemp), _a)` + // converts `super.x += 1` into `(Reflect.set(_baseTemp, "x", _a = Reflect.get(_baseTemp, "x", _classtemp) + 1, _classTemp), _a)` + // converts `super[f()] += 1` into `(Reflect.set(_baseTemp, _a = f(), _b = Reflect.get(_baseTemp, _a, _classtemp) + 1, _classTemp), _b)` + var expression = ts.visitNode(node.right, visitor, ts.isExpression); + if (ts.isCompoundAssignment(node.operatorToken.kind)) { + var getterName = setterName; + if (!ts.isSimpleInlineableExpression(setterName)) { + getterName = factory.createTempVariable(hoistVariableDeclaration); + setterName = factory.createAssignment(getterName, setterName); + } + var superPropertyGet = factory.createReflectGetCall(superClassReference, getterName, classConstructor); + ts.setOriginalNode(superPropertyGet, node.left); + ts.setTextRange(superPropertyGet, node.left); + expression = factory.createBinaryExpression(superPropertyGet, ts.getNonAssignmentOperatorForCompoundAssignment(node.operatorToken.kind), expression); + ts.setTextRange(expression, node); + } + var temp = valueIsDiscarded ? undefined : factory.createTempVariable(hoistVariableDeclaration); + if (temp) { + expression = factory.createAssignment(temp, expression); + ts.setTextRange(temp, node); + } + expression = factory.createReflectSetCall(superClassReference, setterName, expression, classConstructor); + ts.setOriginalNode(expression, node); + ts.setTextRange(expression, node); + if (temp) { + expression = factory.createComma(expression, temp); + ts.setTextRange(expression, node); + } + return expression; + } + } + } + } + if (node.operatorToken.kind === 101 /* SyntaxKind.InKeyword */ && ts.isPrivateIdentifier(node.left)) { + return visitPrivateIdentifierInInExpression(node); + } + return ts.visitEachChild(node, visitor, context); + } + function createPrivateIdentifierAssignment(info, receiver, right, operator) { + receiver = ts.visitNode(receiver, visitor, ts.isExpression); + right = ts.visitNode(right, visitor, ts.isExpression); + if (ts.isCompoundAssignment(operator)) { + var _a = createCopiableReceiverExpr(receiver), readExpression = _a.readExpression, initializeExpression = _a.initializeExpression; + receiver = initializeExpression || readExpression; + right = factory.createBinaryExpression(createPrivateIdentifierAccessHelper(info, readExpression), ts.getNonAssignmentOperatorForCompoundAssignment(operator), right); + } + ts.setCommentRange(receiver, ts.moveRangePos(receiver, -1)); + switch (info.kind) { + case "a" /* PrivateIdentifierKind.Accessor */: + return context.getEmitHelperFactory().createClassPrivateFieldSetHelper(receiver, info.brandCheckIdentifier, right, info.kind, info.setterName); + case "m" /* PrivateIdentifierKind.Method */: + return context.getEmitHelperFactory().createClassPrivateFieldSetHelper(receiver, info.brandCheckIdentifier, right, info.kind, + /* f */ undefined); + case "f" /* PrivateIdentifierKind.Field */: + return context.getEmitHelperFactory().createClassPrivateFieldSetHelper(receiver, info.brandCheckIdentifier, right, info.kind, info.variableName); + default: + ts.Debug.assertNever(info, "Unknown private element type"); + } + } + /** + * Set up the environment for a class. + */ + function visitClassLike(node) { + if (!ts.forEach(node.members, doesClassElementNeedTransform)) { + return ts.visitEachChild(node, visitor, context); + } + var savedPendingExpressions = pendingExpressions; + pendingExpressions = undefined; + startClassLexicalEnvironment(); + if (shouldTransformPrivateElementsOrClassStaticBlocks) { + var name = ts.getNameOfDeclaration(node); + if (name && ts.isIdentifier(name)) { + getPrivateIdentifierEnvironment().className = ts.idText(name); + } + var privateInstanceMethodsAndAccessors = getPrivateInstanceMethodsAndAccessors(node); + if (ts.some(privateInstanceMethodsAndAccessors)) { + getPrivateIdentifierEnvironment().weakSetName = createHoistedVariableForClass("instances", privateInstanceMethodsAndAccessors[0].name); + } + } + var result = ts.isClassDeclaration(node) ? + visitClassDeclaration(node) : + visitClassExpression(node); + endClassLexicalEnvironment(); + pendingExpressions = savedPendingExpressions; + return result; + } + function doesClassElementNeedTransform(node) { + return ts.isPropertyDeclaration(node) || ts.isClassStaticBlockDeclaration(node) || (shouldTransformPrivateElementsOrClassStaticBlocks && node.name && ts.isPrivateIdentifier(node.name)); + } + function getPrivateInstanceMethodsAndAccessors(node) { + return ts.filter(node.members, ts.isNonStaticMethodOrAccessorWithPrivateName); + } + function getClassFacts(node) { + var facts = 0 /* ClassFacts.None */; + var original = ts.getOriginalNode(node); + if (ts.isClassDeclaration(original) && ts.classOrConstructorParameterIsDecorated(original)) { + facts |= 1 /* ClassFacts.ClassWasDecorated */; + } + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!ts.isStatic(member)) + continue; + if (member.name && ts.isPrivateIdentifier(member.name) && shouldTransformPrivateElementsOrClassStaticBlocks) { + facts |= 2 /* ClassFacts.NeedsClassConstructorReference */; + } + if (ts.isPropertyDeclaration(member) || ts.isClassStaticBlockDeclaration(member)) { + if (shouldTransformThisInStaticInitializers && member.transformFlags & 8192 /* TransformFlags.ContainsLexicalThis */) { + facts |= 8 /* ClassFacts.NeedsSubstitutionForThisInClassStaticField */; + if (!(facts & 1 /* ClassFacts.ClassWasDecorated */)) { + facts |= 2 /* ClassFacts.NeedsClassConstructorReference */; + } + } + if (shouldTransformSuperInStaticInitializers && member.transformFlags & 33554432 /* TransformFlags.ContainsLexicalSuper */) { + if (!(facts & 1 /* ClassFacts.ClassWasDecorated */)) { + facts |= 2 /* ClassFacts.NeedsClassConstructorReference */ | 4 /* ClassFacts.NeedsClassSuperReference */; + } + } + } + } + return facts; + } + function visitExpressionWithTypeArguments(node) { + var facts = (currentClassLexicalEnvironment === null || currentClassLexicalEnvironment === void 0 ? void 0 : currentClassLexicalEnvironment.facts) || 0 /* ClassFacts.None */; + if (facts & 4 /* ClassFacts.NeedsClassSuperReference */) { + var temp = factory.createTempVariable(hoistVariableDeclaration, /*reserveInNestedScopes*/ true); + getClassLexicalEnvironment().superClassReference = temp; + return factory.updateExpressionWithTypeArguments(node, factory.createAssignment(temp, ts.visitNode(node.expression, visitor, ts.isExpression)), + /*typeArguments*/ undefined); + } + return ts.visitEachChild(node, visitor, context); + } + function visitClassDeclaration(node) { + var facts = getClassFacts(node); + if (facts) { + getClassLexicalEnvironment().facts = facts; + } + if (facts & 8 /* ClassFacts.NeedsSubstitutionForThisInClassStaticField */) { + enableSubstitutionForClassStaticThisOrSuperReference(); + } + // If a class has private static fields, or a static field has a `this` or `super` reference, + // then we need to allocate a temp variable to hold on to that reference. + var pendingClassReferenceAssignment; + if (facts & 2 /* ClassFacts.NeedsClassConstructorReference */) { + var temp = factory.createTempVariable(hoistVariableDeclaration, /*reservedInNestedScopes*/ true); + getClassLexicalEnvironment().classConstructor = factory.cloneNode(temp); + pendingClassReferenceAssignment = factory.createAssignment(temp, factory.getInternalName(node)); + } + var extendsClauseElement = ts.getEffectiveBaseTypeNode(node); + var isDerivedClass = !!(extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 104 /* SyntaxKind.NullKeyword */); + var statements = [ + factory.updateClassDeclaration(node, + /*decorators*/ undefined, node.modifiers, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, heritageClauseVisitor, ts.isHeritageClause), transformClassMembers(node, isDerivedClass)) + ]; + if (pendingClassReferenceAssignment) { + getPendingExpressions().unshift(pendingClassReferenceAssignment); + } + // Write any pending expressions from elided or moved computed property names + if (ts.some(pendingExpressions)) { + statements.push(factory.createExpressionStatement(factory.inlineExpressions(pendingExpressions))); + } + // Emit static property assignment. Because classDeclaration is lexically evaluated, + // it is safe to emit static property assignment after classDeclaration + // From ES6 specification: + // HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using + // a lexical declaration such as a LexicalDeclaration or a ClassDeclaration. + var staticProperties = ts.getStaticPropertiesAndClassStaticBlock(node); + if (ts.some(staticProperties)) { + addPropertyOrClassStaticBlockStatements(statements, staticProperties, factory.getInternalName(node)); + } + return statements; + } + function visitClassExpression(node) { + var facts = getClassFacts(node); + if (facts) { + getClassLexicalEnvironment().facts = facts; + } + if (facts & 8 /* ClassFacts.NeedsSubstitutionForThisInClassStaticField */) { + enableSubstitutionForClassStaticThisOrSuperReference(); + } + // If this class expression is a transformation of a decorated class declaration, + // then we want to output the pendingExpressions as statements, not as inlined + // expressions with the class statement. + // + // In this case, we use pendingStatements to produce the same output as the + // class declaration transformation. The VariableStatement visitor will insert + // these statements after the class expression variable statement. + var isDecoratedClassDeclaration = !!(facts & 1 /* ClassFacts.ClassWasDecorated */); + var staticPropertiesOrClassStaticBlocks = ts.getStaticPropertiesAndClassStaticBlock(node); + var extendsClauseElement = ts.getEffectiveBaseTypeNode(node); + var isDerivedClass = !!(extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 104 /* SyntaxKind.NullKeyword */); + var isClassWithConstructorReference = resolver.getNodeCheckFlags(node) & 16777216 /* NodeCheckFlags.ClassWithConstructorReference */; + var temp; + function createClassTempVar() { + var classCheckFlags = resolver.getNodeCheckFlags(node); + var isClassWithConstructorReference = classCheckFlags & 16777216 /* NodeCheckFlags.ClassWithConstructorReference */; + var requiresBlockScopedVar = classCheckFlags & 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + return factory.createTempVariable(requiresBlockScopedVar ? addBlockScopedVariable : hoistVariableDeclaration, !!isClassWithConstructorReference); + } + if (facts & 2 /* ClassFacts.NeedsClassConstructorReference */) { + temp = createClassTempVar(); + getClassLexicalEnvironment().classConstructor = factory.cloneNode(temp); + } + var classExpression = factory.updateClassExpression(node, ts.visitNodes(node.decorators, visitor, ts.isDecorator), node.modifiers, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, heritageClauseVisitor, ts.isHeritageClause), transformClassMembers(node, isDerivedClass)); + var hasTransformableStatics = shouldTransformPrivateElementsOrClassStaticBlocks && ts.some(staticPropertiesOrClassStaticBlocks, function (p) { return ts.isClassStaticBlockDeclaration(p) || !!p.initializer || ts.isPrivateIdentifier(p.name); }); + if (hasTransformableStatics || ts.some(pendingExpressions)) { + if (isDecoratedClassDeclaration) { + ts.Debug.assertIsDefined(pendingStatements, "Decorated classes transformed by TypeScript are expected to be within a variable declaration."); + // Write any pending expressions from elided or moved computed property names + if (pendingStatements && pendingExpressions && ts.some(pendingExpressions)) { + pendingStatements.push(factory.createExpressionStatement(factory.inlineExpressions(pendingExpressions))); + } + if (pendingStatements && ts.some(staticPropertiesOrClassStaticBlocks)) { + addPropertyOrClassStaticBlockStatements(pendingStatements, staticPropertiesOrClassStaticBlocks, factory.getInternalName(node)); + } + if (temp) { + return factory.inlineExpressions([factory.createAssignment(temp, classExpression), temp]); + } + return classExpression; + } + else { + var expressions = []; + temp || (temp = createClassTempVar()); + if (isClassWithConstructorReference) { + // record an alias as the class name is not in scope for statics. + enableSubstitutionForClassAliases(); + var alias = factory.cloneNode(temp); + alias.autoGenerateFlags &= ~8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */; + classAliases[ts.getOriginalNodeId(node)] = alias; + } + // To preserve the behavior of the old emitter, we explicitly indent + // the body of a class with static initializers. + ts.setEmitFlags(classExpression, 65536 /* EmitFlags.Indented */ | ts.getEmitFlags(classExpression)); + expressions.push(ts.startOnNewLine(factory.createAssignment(temp, classExpression))); + // Add any pending expressions leftover from elided or relocated computed property names + ts.addRange(expressions, ts.map(pendingExpressions, ts.startOnNewLine)); + ts.addRange(expressions, generateInitializedPropertyExpressionsOrClassStaticBlock(staticPropertiesOrClassStaticBlocks, temp)); + expressions.push(ts.startOnNewLine(temp)); + return factory.inlineExpressions(expressions); + } + } + return classExpression; + } + function visitClassStaticBlockDeclaration(node) { + if (!shouldTransformPrivateElementsOrClassStaticBlocks) { + return ts.visitEachChild(node, classElementVisitor, context); + } + // ClassStaticBlockDeclaration for classes are transformed in `visitClassDeclaration` or `visitClassExpression`. + return undefined; + } + function transformClassMembers(node, isDerivedClass) { + var members = []; + if (shouldTransformPrivateElementsOrClassStaticBlocks) { + // Declare private names. + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (ts.isPrivateIdentifierClassElementDeclaration(member)) { + addPrivateIdentifierToEnvironment(member); + } + } + if (ts.some(getPrivateInstanceMethodsAndAccessors(node))) { + createBrandCheckWeakSetForPrivateMethods(); + } + } + var constructor = transformConstructor(node, isDerivedClass); + var visitedMembers = ts.visitNodes(node.members, classElementVisitor, ts.isClassElement); + if (constructor) { + members.push(constructor); + } + if (!shouldTransformPrivateElementsOrClassStaticBlocks && ts.some(pendingExpressions)) { + members.push(factory.createClassStaticBlockDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, factory.createBlock([ + factory.createExpressionStatement(factory.inlineExpressions(pendingExpressions)) + ]))); + pendingExpressions = undefined; + } + ts.addRange(members, visitedMembers); + return ts.setTextRange(factory.createNodeArray(members), /*location*/ node.members); + } + function createBrandCheckWeakSetForPrivateMethods() { + var weakSetName = getPrivateIdentifierEnvironment().weakSetName; + ts.Debug.assert(weakSetName, "weakSetName should be set in private identifier environment"); + getPendingExpressions().push(factory.createAssignment(weakSetName, factory.createNewExpression(factory.createIdentifier("WeakSet"), + /*typeArguments*/ undefined, []))); + } + function isClassElementThatRequiresConstructorStatement(member) { + if (ts.isStatic(member) || ts.hasSyntacticModifier(ts.getOriginalNode(member), 128 /* ModifierFlags.Abstract */)) { + return false; + } + if (useDefineForClassFields) { + // If we are using define semantics and targeting ESNext or higher, + // then we don't need to transform any class properties. + return languageVersion < 9 /* ScriptTarget.ES2022 */; + } + return ts.isInitializedProperty(member) || shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifierClassElementDeclaration(member); + } + function transformConstructor(node, isDerivedClass) { + var constructor = ts.visitNode(ts.getFirstConstructorWithBody(node), visitor, ts.isConstructorDeclaration); + var elements = node.members.filter(isClassElementThatRequiresConstructorStatement); + if (!ts.some(elements)) { + return constructor; + } + var parameters = ts.visitParameterList(constructor ? constructor.parameters : undefined, visitor, context); + var body = transformConstructorBody(node, constructor, isDerivedClass); + if (!body) { + return undefined; + } + return ts.startOnNewLine(ts.setOriginalNode(ts.setTextRange(factory.createConstructorDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, parameters !== null && parameters !== void 0 ? parameters : [], body), constructor || node), constructor)); + } + function transformConstructorBody(node, constructor, isDerivedClass) { + var _a; + var properties = ts.getProperties(node, /*requireInitializer*/ false, /*isStatic*/ false); + if (!useDefineForClassFields) { + properties = ts.filter(properties, function (property) { return !!property.initializer || ts.isPrivateIdentifier(property.name); }); + } + var privateMethodsAndAccessors = getPrivateInstanceMethodsAndAccessors(node); + var needsConstructorBody = ts.some(properties) || ts.some(privateMethodsAndAccessors); + // Only generate synthetic constructor when there are property initializers to move. + if (!constructor && !needsConstructorBody) { + return ts.visitFunctionBody(/*node*/ undefined, visitor, context); + } + resumeLexicalEnvironment(); + var needsSyntheticConstructor = !constructor && isDerivedClass; + var indexOfFirstStatementAfterSuperAndPrologue = 0; + var prologueStatementCount = 0; + var superStatementIndex = -1; + var statements = []; + if ((_a = constructor === null || constructor === void 0 ? void 0 : constructor.body) === null || _a === void 0 ? void 0 : _a.statements) { + prologueStatementCount = factory.copyPrologue(constructor.body.statements, statements, /*ensureUseStrict*/ false, visitor); + superStatementIndex = ts.findSuperStatementIndex(constructor.body.statements, prologueStatementCount); + // If there was a super call, visit existing statements up to and including it + if (superStatementIndex >= 0) { + indexOfFirstStatementAfterSuperAndPrologue = superStatementIndex + 1; + statements = __spreadArray(__spreadArray(__spreadArray([], statements.slice(0, prologueStatementCount), true), ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, prologueStatementCount, indexOfFirstStatementAfterSuperAndPrologue - prologueStatementCount), true), statements.slice(prologueStatementCount), true); + } + else if (prologueStatementCount >= 0) { + indexOfFirstStatementAfterSuperAndPrologue = prologueStatementCount; + } + } + if (needsSyntheticConstructor) { + // Add a synthetic `super` call: + // + // super(...arguments); + // + statements.push(factory.createExpressionStatement(factory.createCallExpression(factory.createSuper(), + /*typeArguments*/ undefined, [factory.createSpreadElement(factory.createIdentifier("arguments"))]))); + } + // Add the property initializers. Transforms this: + // + // public x = 1; + // + // Into this: + // + // constructor() { + // this.x = 1; + // } + // + // If we do useDefineForClassFields, they'll be converted elsewhere. + // We instead *remove* them from the transformed output at this stage. + var parameterPropertyDeclarationCount = 0; + if (constructor === null || constructor === void 0 ? void 0 : constructor.body) { + if (useDefineForClassFields) { + statements = statements.filter(function (statement) { return !ts.isParameterPropertyDeclaration(ts.getOriginalNode(statement), constructor); }); + } + else { + for (var _i = 0, _b = constructor.body.statements; _i < _b.length; _i++) { + var statement = _b[_i]; + if (ts.isParameterPropertyDeclaration(ts.getOriginalNode(statement), constructor)) { + parameterPropertyDeclarationCount++; + } + } + if (parameterPropertyDeclarationCount > 0) { + var parameterProperties = ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatementAfterSuperAndPrologue, parameterPropertyDeclarationCount); + // If there was a super() call found, add parameter properties immediately after it + if (superStatementIndex >= 0) { + ts.addRange(statements, parameterProperties); + } + else { + // Add add parameter properties to the top of the constructor after the prologue + var superAndPrologueStatementCount = prologueStatementCount; + // If a synthetic super() call was added, need to account for that + if (needsSyntheticConstructor) + superAndPrologueStatementCount++; + statements = __spreadArray(__spreadArray(__spreadArray([], statements.slice(0, superAndPrologueStatementCount), true), parameterProperties, true), statements.slice(superAndPrologueStatementCount), true); + } + indexOfFirstStatementAfterSuperAndPrologue += parameterPropertyDeclarationCount; + } + } + } + var receiver = factory.createThis(); + // private methods can be called in property initializers, they should execute first. + addMethodStatements(statements, privateMethodsAndAccessors, receiver); + addPropertyOrClassStaticBlockStatements(statements, properties, receiver); + // Add existing statements after the initial prologues and super call + if (constructor) { + ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitBodyStatement, ts.isStatement, indexOfFirstStatementAfterSuperAndPrologue)); + } + statements = factory.mergeLexicalEnvironment(statements, endLexicalEnvironment()); + return ts.setTextRange(factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), + /*location*/ constructor ? constructor.body.statements : node.members), + /*multiLine*/ true), + /*location*/ constructor ? constructor.body : undefined); + function visitBodyStatement(statement) { + if (useDefineForClassFields && ts.isParameterPropertyDeclaration(ts.getOriginalNode(statement), constructor)) { + return undefined; + } + return visitor(statement); + } + } + /** + * Generates assignment statements for property initializers. + * + * @param properties An array of property declarations to transform. + * @param receiver The receiver on which each property should be assigned. + */ + function addPropertyOrClassStaticBlockStatements(statements, properties, receiver) { + for (var _i = 0, properties_7 = properties; _i < properties_7.length; _i++) { + var property = properties_7[_i]; + if (ts.isStatic(property) && !shouldTransformPrivateElementsOrClassStaticBlocks && !useDefineForClassFields) { + continue; + } + var statement = transformPropertyOrClassStaticBlock(property, receiver); + if (!statement) { + continue; + } + statements.push(statement); + } + } + function transformPropertyOrClassStaticBlock(property, receiver) { + var expression = ts.isClassStaticBlockDeclaration(property) ? + transformClassStaticBlockDeclaration(property) : + transformProperty(property, receiver); + if (!expression) { + return undefined; + } + var statement = factory.createExpressionStatement(expression); + ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property)); + ts.setCommentRange(statement, property); + ts.setOriginalNode(statement, property); + // `setOriginalNode` *copies* the `emitNode` from `property`, so now both + // `statement` and `expression` have a copy of the synthesized comments. + // Drop the comments from expression to avoid printing them twice. + ts.setSyntheticLeadingComments(expression, undefined); + ts.setSyntheticTrailingComments(expression, undefined); + return statement; + } + /** + * Generates assignment expressions for property initializers. + * + * @param propertiesOrClassStaticBlocks An array of property declarations to transform. + * @param receiver The receiver on which each property should be assigned. + */ + function generateInitializedPropertyExpressionsOrClassStaticBlock(propertiesOrClassStaticBlocks, receiver) { + var expressions = []; + for (var _i = 0, propertiesOrClassStaticBlocks_1 = propertiesOrClassStaticBlocks; _i < propertiesOrClassStaticBlocks_1.length; _i++) { + var property = propertiesOrClassStaticBlocks_1[_i]; + var expression = ts.isClassStaticBlockDeclaration(property) ? transformClassStaticBlockDeclaration(property) : transformProperty(property, receiver); + if (!expression) { + continue; + } + ts.startOnNewLine(expression); + ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property)); + ts.setCommentRange(expression, property); + ts.setOriginalNode(expression, property); + expressions.push(expression); + } + return expressions; + } + /** + * Transforms a property initializer into an assignment statement. + * + * @param property The property declaration. + * @param receiver The object receiving the property assignment. + */ + function transformProperty(property, receiver) { + var savedCurrentStaticPropertyDeclarationOrStaticBlock = currentStaticPropertyDeclarationOrStaticBlock; + var transformed = transformPropertyWorker(property, receiver); + if (transformed && ts.hasStaticModifier(property) && (currentClassLexicalEnvironment === null || currentClassLexicalEnvironment === void 0 ? void 0 : currentClassLexicalEnvironment.facts)) { + // capture the lexical environment for the member + ts.setOriginalNode(transformed, property); + ts.addEmitFlags(transformed, 2 /* EmitFlags.AdviseOnEmitNode */); + classLexicalEnvironmentMap.set(ts.getOriginalNodeId(transformed), currentClassLexicalEnvironment); + } + currentStaticPropertyDeclarationOrStaticBlock = savedCurrentStaticPropertyDeclarationOrStaticBlock; + return transformed; + } + function transformPropertyWorker(property, receiver) { + var _a; + // We generate a name here in order to reuse the value cached by the relocated computed name expression (which uses the same generated name) + var emitAssignment = !useDefineForClassFields; + var propertyName = ts.isComputedPropertyName(property.name) && !ts.isSimpleInlineableExpression(property.name.expression) + ? factory.updateComputedPropertyName(property.name, factory.getGeneratedNameForNode(property.name)) + : property.name; + if (ts.hasStaticModifier(property)) { + currentStaticPropertyDeclarationOrStaticBlock = property; + } + if (shouldTransformPrivateElementsOrClassStaticBlocks && ts.isPrivateIdentifier(propertyName)) { + var privateIdentifierInfo = accessPrivateIdentifier(propertyName); + if (privateIdentifierInfo) { + if (privateIdentifierInfo.kind === "f" /* PrivateIdentifierKind.Field */) { + if (!privateIdentifierInfo.isStatic) { + return createPrivateInstanceFieldInitializer(receiver, ts.visitNode(property.initializer, visitor, ts.isExpression), privateIdentifierInfo.brandCheckIdentifier); + } + else { + return createPrivateStaticFieldInitializer(privateIdentifierInfo.variableName, ts.visitNode(property.initializer, visitor, ts.isExpression)); + } + } + else { + return undefined; + } + } + else { + ts.Debug.fail("Undeclared private name for property declaration."); + } + } + if ((ts.isPrivateIdentifier(propertyName) || ts.hasStaticModifier(property)) && !property.initializer) { + return undefined; + } + var propertyOriginalNode = ts.getOriginalNode(property); + if (ts.hasSyntacticModifier(propertyOriginalNode, 128 /* ModifierFlags.Abstract */)) { + return undefined; + } + var initializer = property.initializer || emitAssignment ? (_a = ts.visitNode(property.initializer, visitor, ts.isExpression)) !== null && _a !== void 0 ? _a : factory.createVoidZero() + : ts.isParameterPropertyDeclaration(propertyOriginalNode, propertyOriginalNode.parent) && ts.isIdentifier(propertyName) ? propertyName + : factory.createVoidZero(); + if (emitAssignment || ts.isPrivateIdentifier(propertyName)) { + var memberAccess = ts.createMemberAccessForPropertyName(factory, receiver, propertyName, /*location*/ propertyName); + return factory.createAssignment(memberAccess, initializer); + } + else { + var name = ts.isComputedPropertyName(propertyName) ? propertyName.expression + : ts.isIdentifier(propertyName) ? factory.createStringLiteral(ts.unescapeLeadingUnderscores(propertyName.escapedText)) + : propertyName; + var descriptor = factory.createPropertyDescriptor({ value: initializer, configurable: true, writable: true, enumerable: true }); + return factory.createObjectDefinePropertyCall(receiver, name, descriptor); + } + } + function enableSubstitutionForClassAliases() { + if ((enabledSubstitutions & 1 /* ClassPropertySubstitutionFlags.ClassAliases */) === 0) { + enabledSubstitutions |= 1 /* ClassPropertySubstitutionFlags.ClassAliases */; + // We need to enable substitutions for identifiers. This allows us to + // substitute class names inside of a class declaration. + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + // Keep track of class aliases. + classAliases = []; + } + } + function enableSubstitutionForClassStaticThisOrSuperReference() { + if ((enabledSubstitutions & 2 /* ClassPropertySubstitutionFlags.ClassStaticThisOrSuperReference */) === 0) { + enabledSubstitutions |= 2 /* ClassPropertySubstitutionFlags.ClassStaticThisOrSuperReference */; + // substitute `this` in a static field initializer + context.enableSubstitution(108 /* SyntaxKind.ThisKeyword */); + // these push a new lexical environment that is not the class lexical environment + context.enableEmitNotification(256 /* SyntaxKind.FunctionDeclaration */); + context.enableEmitNotification(213 /* SyntaxKind.FunctionExpression */); + context.enableEmitNotification(171 /* SyntaxKind.Constructor */); + // these push a new lexical environment that is not the class lexical environment, except + // when they have a computed property name + context.enableEmitNotification(172 /* SyntaxKind.GetAccessor */); + context.enableEmitNotification(173 /* SyntaxKind.SetAccessor */); + context.enableEmitNotification(169 /* SyntaxKind.MethodDeclaration */); + context.enableEmitNotification(167 /* SyntaxKind.PropertyDeclaration */); + // class lexical environments are restored when entering a computed property name + context.enableEmitNotification(162 /* SyntaxKind.ComputedPropertyName */); + } + } + /** + * Generates brand-check initializer for private methods. + * + * @param statements Statement list that should be used to append new statements. + * @param methods An array of method declarations. + * @param receiver The receiver on which each method should be assigned. + */ + function addMethodStatements(statements, methods, receiver) { + if (!shouldTransformPrivateElementsOrClassStaticBlocks || !ts.some(methods)) { + return; + } + var weakSetName = getPrivateIdentifierEnvironment().weakSetName; + ts.Debug.assert(weakSetName, "weakSetName should be set in private identifier environment"); + statements.push(factory.createExpressionStatement(createPrivateInstanceMethodInitializer(receiver, weakSetName))); + } + function visitInvalidSuperProperty(node) { + return ts.isPropertyAccessExpression(node) ? + factory.updatePropertyAccessExpression(node, factory.createVoidZero(), node.name) : + factory.updateElementAccessExpression(node, factory.createVoidZero(), ts.visitNode(node.argumentExpression, visitor, ts.isExpression)); + } + function onEmitNode(hint, node, emitCallback) { + var original = ts.getOriginalNode(node); + if (original.id) { + var classLexicalEnvironment = classLexicalEnvironmentMap.get(original.id); + if (classLexicalEnvironment) { + var savedClassLexicalEnvironment = currentClassLexicalEnvironment; + var savedCurrentComputedPropertyNameClassLexicalEnvironment = currentComputedPropertyNameClassLexicalEnvironment; + currentClassLexicalEnvironment = classLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = classLexicalEnvironment; + previousOnEmitNode(hint, node, emitCallback); + currentClassLexicalEnvironment = savedClassLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = savedCurrentComputedPropertyNameClassLexicalEnvironment; + return; + } + } + switch (node.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + if (ts.isArrowFunction(original) || ts.getEmitFlags(node) & 262144 /* EmitFlags.AsyncFunctionBody */) { + break; + } + // falls through + case 256 /* SyntaxKind.FunctionDeclaration */: + case 171 /* SyntaxKind.Constructor */: { + var savedClassLexicalEnvironment = currentClassLexicalEnvironment; + var savedCurrentComputedPropertyNameClassLexicalEnvironment = currentComputedPropertyNameClassLexicalEnvironment; + currentClassLexicalEnvironment = undefined; + currentComputedPropertyNameClassLexicalEnvironment = undefined; + previousOnEmitNode(hint, node, emitCallback); + currentClassLexicalEnvironment = savedClassLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = savedCurrentComputedPropertyNameClassLexicalEnvironment; + return; + } + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 167 /* SyntaxKind.PropertyDeclaration */: { + var savedClassLexicalEnvironment = currentClassLexicalEnvironment; + var savedCurrentComputedPropertyNameClassLexicalEnvironment = currentComputedPropertyNameClassLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = currentClassLexicalEnvironment; + currentClassLexicalEnvironment = undefined; + previousOnEmitNode(hint, node, emitCallback); + currentClassLexicalEnvironment = savedClassLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = savedCurrentComputedPropertyNameClassLexicalEnvironment; + return; + } + case 162 /* SyntaxKind.ComputedPropertyName */: { + var savedClassLexicalEnvironment = currentClassLexicalEnvironment; + var savedCurrentComputedPropertyNameClassLexicalEnvironment = currentComputedPropertyNameClassLexicalEnvironment; + currentClassLexicalEnvironment = currentComputedPropertyNameClassLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = undefined; + previousOnEmitNode(hint, node, emitCallback); + currentClassLexicalEnvironment = savedClassLexicalEnvironment; + currentComputedPropertyNameClassLexicalEnvironment = savedCurrentComputedPropertyNameClassLexicalEnvironment; + return; + } + } + previousOnEmitNode(hint, node, emitCallback); + } + /** + * Hooks node substitutions. + * + * @param hint The context for the emitter. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (hint === 1 /* EmitHint.Expression */) { + return substituteExpression(node); + } + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return substituteExpressionIdentifier(node); + case 108 /* SyntaxKind.ThisKeyword */: + return substituteThisExpression(node); + } + return node; + } + function substituteThisExpression(node) { + if (enabledSubstitutions & 2 /* ClassPropertySubstitutionFlags.ClassStaticThisOrSuperReference */ && currentClassLexicalEnvironment) { + var facts = currentClassLexicalEnvironment.facts, classConstructor = currentClassLexicalEnvironment.classConstructor; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + return factory.createParenthesizedExpression(factory.createVoidZero()); + } + if (classConstructor) { + return ts.setTextRange(ts.setOriginalNode(factory.cloneNode(classConstructor), node), node); + } + } + return node; + } + function substituteExpressionIdentifier(node) { + return trySubstituteClassAlias(node) || node; + } + function trySubstituteClassAlias(node) { + if (enabledSubstitutions & 1 /* ClassPropertySubstitutionFlags.ClassAliases */) { + if (resolver.getNodeCheckFlags(node) & 33554432 /* NodeCheckFlags.ConstructorReferenceInClass */) { + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + // Also, when emitting statics for class expressions, we must substitute a class alias for + // constructor references in static property initializers. + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = classAliases[declaration.id]; // TODO: GH#18217 + if (classAlias) { + var clone_3 = factory.cloneNode(classAlias); + ts.setSourceMapRange(clone_3, node); + ts.setCommentRange(clone_3, node); + return clone_3; + } + } + } + } + return undefined; + } + /** + * If the name is a computed property, this function transforms it, then either returns an expression which caches the + * value of the result or the expression itself if the value is either unused or safe to inline into multiple locations + * @param shouldHoist Does the expression need to be reused? (ie, for an initializer or a decorator) + */ + function getPropertyNameExpressionIfNeeded(name, shouldHoist) { + if (ts.isComputedPropertyName(name)) { + var expression = ts.visitNode(name.expression, visitor, ts.isExpression); + var innerExpression = ts.skipPartiallyEmittedExpressions(expression); + var inlinable = ts.isSimpleInlineableExpression(innerExpression); + var alreadyTransformed = ts.isAssignmentExpression(innerExpression) && ts.isGeneratedIdentifier(innerExpression.left); + if (!alreadyTransformed && !inlinable && shouldHoist) { + var generatedName = factory.getGeneratedNameForNode(name); + if (resolver.getNodeCheckFlags(name) & 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */) { + addBlockScopedVariable(generatedName); + } + else { + hoistVariableDeclaration(generatedName); + } + return factory.createAssignment(generatedName, expression); + } + return (inlinable || ts.isIdentifier(innerExpression)) ? undefined : expression; + } + } + function startClassLexicalEnvironment() { + classLexicalEnvironmentStack.push(currentClassLexicalEnvironment); + currentClassLexicalEnvironment = undefined; + } + function endClassLexicalEnvironment() { + currentClassLexicalEnvironment = classLexicalEnvironmentStack.pop(); + } + function getClassLexicalEnvironment() { + return currentClassLexicalEnvironment || (currentClassLexicalEnvironment = { + facts: 0 /* ClassFacts.None */, + classConstructor: undefined, + superClassReference: undefined, + privateIdentifierEnvironment: undefined, + }); + } + function getPrivateIdentifierEnvironment() { + var lex = getClassLexicalEnvironment(); + lex.privateIdentifierEnvironment || (lex.privateIdentifierEnvironment = { + className: "", + identifiers: new ts.Map() + }); + return lex.privateIdentifierEnvironment; + } + function getPendingExpressions() { + return pendingExpressions || (pendingExpressions = []); + } + function addPrivateIdentifierToEnvironment(node) { + var _a; + var text = ts.getTextOfPropertyName(node.name); + var lex = getClassLexicalEnvironment(); + var classConstructor = lex.classConstructor; + var privateEnv = getPrivateIdentifierEnvironment(); + var weakSetName = privateEnv.weakSetName; + var assignmentExpressions = []; + var privateName = node.name.escapedText; + var previousInfo = privateEnv.identifiers.get(privateName); + var isValid = !isReservedPrivateName(node.name) && previousInfo === undefined; + if (ts.hasStaticModifier(node)) { + ts.Debug.assert(classConstructor, "weakSetName should be set in private identifier environment"); + if (ts.isPropertyDeclaration(node)) { + var variableName = createHoistedVariableForPrivateName(text, node); + privateEnv.identifiers.set(privateName, { + kind: "f" /* PrivateIdentifierKind.Field */, + variableName: variableName, + brandCheckIdentifier: classConstructor, + isStatic: true, + isValid: isValid, + }); + } + else if (ts.isMethodDeclaration(node)) { + var functionName = createHoistedVariableForPrivateName(text, node); + privateEnv.identifiers.set(privateName, { + kind: "m" /* PrivateIdentifierKind.Method */, + methodName: functionName, + brandCheckIdentifier: classConstructor, + isStatic: true, + isValid: isValid, + }); + } + else if (ts.isGetAccessorDeclaration(node)) { + var getterName = createHoistedVariableForPrivateName(text + "_get", node); + if ((previousInfo === null || previousInfo === void 0 ? void 0 : previousInfo.kind) === "a" /* PrivateIdentifierKind.Accessor */ && previousInfo.isStatic && !previousInfo.getterName) { + previousInfo.getterName = getterName; + } + else { + privateEnv.identifiers.set(privateName, { + kind: "a" /* PrivateIdentifierKind.Accessor */, + getterName: getterName, + setterName: undefined, + brandCheckIdentifier: classConstructor, + isStatic: true, + isValid: isValid, + }); + } + } + else if (ts.isSetAccessorDeclaration(node)) { + var setterName = createHoistedVariableForPrivateName(text + "_set", node); + if ((previousInfo === null || previousInfo === void 0 ? void 0 : previousInfo.kind) === "a" /* PrivateIdentifierKind.Accessor */ && previousInfo.isStatic && !previousInfo.setterName) { + previousInfo.setterName = setterName; + } + else { + privateEnv.identifiers.set(privateName, { + kind: "a" /* PrivateIdentifierKind.Accessor */, + getterName: undefined, + setterName: setterName, + brandCheckIdentifier: classConstructor, + isStatic: true, + isValid: isValid, + }); + } + } + else { + ts.Debug.assertNever(node, "Unknown class element type."); + } + } + else if (ts.isPropertyDeclaration(node)) { + var weakMapName = createHoistedVariableForPrivateName(text, node); + privateEnv.identifiers.set(privateName, { + kind: "f" /* PrivateIdentifierKind.Field */, + brandCheckIdentifier: weakMapName, + isStatic: false, + variableName: undefined, + isValid: isValid, + }); + assignmentExpressions.push(factory.createAssignment(weakMapName, factory.createNewExpression(factory.createIdentifier("WeakMap"), + /*typeArguments*/ undefined, []))); + } + else if (ts.isMethodDeclaration(node)) { + ts.Debug.assert(weakSetName, "weakSetName should be set in private identifier environment"); + privateEnv.identifiers.set(privateName, { + kind: "m" /* PrivateIdentifierKind.Method */, + methodName: createHoistedVariableForPrivateName(text, node), + brandCheckIdentifier: weakSetName, + isStatic: false, + isValid: isValid, + }); + } + else if (ts.isAccessor(node)) { + ts.Debug.assert(weakSetName, "weakSetName should be set in private identifier environment"); + if (ts.isGetAccessor(node)) { + var getterName = createHoistedVariableForPrivateName(text + "_get", node); + if ((previousInfo === null || previousInfo === void 0 ? void 0 : previousInfo.kind) === "a" /* PrivateIdentifierKind.Accessor */ && !previousInfo.isStatic && !previousInfo.getterName) { + previousInfo.getterName = getterName; + } + else { + privateEnv.identifiers.set(privateName, { + kind: "a" /* PrivateIdentifierKind.Accessor */, + getterName: getterName, + setterName: undefined, + brandCheckIdentifier: weakSetName, + isStatic: false, + isValid: isValid, + }); + } + } + else { + var setterName = createHoistedVariableForPrivateName(text + "_set", node); + if ((previousInfo === null || previousInfo === void 0 ? void 0 : previousInfo.kind) === "a" /* PrivateIdentifierKind.Accessor */ && !previousInfo.isStatic && !previousInfo.setterName) { + previousInfo.setterName = setterName; + } + else { + privateEnv.identifiers.set(privateName, { + kind: "a" /* PrivateIdentifierKind.Accessor */, + getterName: undefined, + setterName: setterName, + brandCheckIdentifier: weakSetName, + isStatic: false, + isValid: isValid, + }); + } + } + } + else { + ts.Debug.assertNever(node, "Unknown class element type."); + } + (_a = getPendingExpressions()).push.apply(_a, assignmentExpressions); + } + function createHoistedVariableForClass(name, node) { + var className = getPrivateIdentifierEnvironment().className; + var prefix = className ? "_".concat(className) : ""; + var identifier = factory.createUniqueName("".concat(prefix, "_").concat(name), 16 /* GeneratedIdentifierFlags.Optimistic */); + if (resolver.getNodeCheckFlags(node) & 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */) { + addBlockScopedVariable(identifier); + } + else { + hoistVariableDeclaration(identifier); + } + return identifier; + } + function createHoistedVariableForPrivateName(privateName, node) { + return createHoistedVariableForClass(privateName.substring(1), node.name); + } + function accessPrivateIdentifier(name) { + var _a; + if (currentClassLexicalEnvironment === null || currentClassLexicalEnvironment === void 0 ? void 0 : currentClassLexicalEnvironment.privateIdentifierEnvironment) { + var info = currentClassLexicalEnvironment.privateIdentifierEnvironment.identifiers.get(name.escapedText); + if (info) { + return info; + } + } + for (var i = classLexicalEnvironmentStack.length - 1; i >= 0; --i) { + var env = classLexicalEnvironmentStack[i]; + if (!env) { + continue; + } + var info = (_a = env.privateIdentifierEnvironment) === null || _a === void 0 ? void 0 : _a.identifiers.get(name.escapedText); + if (info) { + return info; + } + } + return undefined; + } + function wrapPrivateIdentifierForDestructuringTarget(node) { + var parameter = factory.getGeneratedNameForNode(node); + var info = accessPrivateIdentifier(node.name); + if (!info) { + return ts.visitEachChild(node, visitor, context); + } + var receiver = node.expression; + // We cannot copy `this` or `super` into the function because they will be bound + // differently inside the function. + if (ts.isThisProperty(node) || ts.isSuperProperty(node) || !ts.isSimpleCopiableExpression(node.expression)) { + receiver = factory.createTempVariable(hoistVariableDeclaration, /*reservedInNestedScopes*/ true); + getPendingExpressions().push(factory.createBinaryExpression(receiver, 63 /* SyntaxKind.EqualsToken */, ts.visitNode(node.expression, visitor, ts.isExpression))); + } + return factory.createAssignmentTargetWrapper(parameter, createPrivateIdentifierAssignment(info, receiver, parameter, 63 /* SyntaxKind.EqualsToken */)); + } + function visitArrayAssignmentTarget(node) { + var target = ts.getTargetOfBindingOrAssignmentElement(node); + if (target) { + var wrapped = void 0; + if (ts.isPrivateIdentifierPropertyAccessExpression(target)) { + wrapped = wrapPrivateIdentifierForDestructuringTarget(target); + } + else if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(target) && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + var classConstructor = currentClassLexicalEnvironment.classConstructor, superClassReference = currentClassLexicalEnvironment.superClassReference, facts = currentClassLexicalEnvironment.facts; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + wrapped = visitInvalidSuperProperty(target); + } + else if (classConstructor && superClassReference) { + var name = ts.isElementAccessExpression(target) ? ts.visitNode(target.argumentExpression, visitor, ts.isExpression) : + ts.isIdentifier(target.name) ? factory.createStringLiteralFromNode(target.name) : + undefined; + if (name) { + var temp = factory.createTempVariable(/*recordTempVariable*/ undefined); + wrapped = factory.createAssignmentTargetWrapper(temp, factory.createReflectSetCall(superClassReference, name, temp, classConstructor)); + } + } + } + if (wrapped) { + if (ts.isAssignmentExpression(node)) { + return factory.updateBinaryExpression(node, wrapped, node.operatorToken, ts.visitNode(node.right, visitor, ts.isExpression)); + } + else if (ts.isSpreadElement(node)) { + return factory.updateSpreadElement(node, wrapped); + } + else { + return wrapped; + } + } + } + return ts.visitNode(node, visitorDestructuringTarget); + } + function visitObjectAssignmentTarget(node) { + if (ts.isObjectBindingOrAssignmentElement(node) && !ts.isShorthandPropertyAssignment(node)) { + var target = ts.getTargetOfBindingOrAssignmentElement(node); + var wrapped = void 0; + if (target) { + if (ts.isPrivateIdentifierPropertyAccessExpression(target)) { + wrapped = wrapPrivateIdentifierForDestructuringTarget(target); + } + else if (shouldTransformSuperInStaticInitializers && + ts.isSuperProperty(target) && + currentStaticPropertyDeclarationOrStaticBlock && + currentClassLexicalEnvironment) { + var classConstructor = currentClassLexicalEnvironment.classConstructor, superClassReference = currentClassLexicalEnvironment.superClassReference, facts = currentClassLexicalEnvironment.facts; + if (facts & 1 /* ClassFacts.ClassWasDecorated */) { + wrapped = visitInvalidSuperProperty(target); + } + else if (classConstructor && superClassReference) { + var name = ts.isElementAccessExpression(target) ? ts.visitNode(target.argumentExpression, visitor, ts.isExpression) : + ts.isIdentifier(target.name) ? factory.createStringLiteralFromNode(target.name) : + undefined; + if (name) { + var temp = factory.createTempVariable(/*recordTempVariable*/ undefined); + wrapped = factory.createAssignmentTargetWrapper(temp, factory.createReflectSetCall(superClassReference, name, temp, classConstructor)); + } + } + } + } + if (ts.isPropertyAssignment(node)) { + var initializer = ts.getInitializerOfBindingOrAssignmentElement(node); + return factory.updatePropertyAssignment(node, ts.visitNode(node.name, visitor, ts.isPropertyName), wrapped ? + initializer ? factory.createAssignment(wrapped, ts.visitNode(initializer, visitor)) : wrapped : + ts.visitNode(node.initializer, visitorDestructuringTarget, ts.isExpression)); + } + if (ts.isSpreadAssignment(node)) { + return factory.updateSpreadAssignment(node, wrapped || ts.visitNode(node.expression, visitorDestructuringTarget, ts.isExpression)); + } + ts.Debug.assert(wrapped === undefined, "Should not have generated a wrapped target"); + } + return ts.visitNode(node, visitor); + } + function visitAssignmentPattern(node) { + if (ts.isArrayLiteralExpression(node)) { + // Transforms private names in destructuring assignment array bindings. + // Transforms SuperProperty assignments in destructuring assignment array bindings in static initializers. + // + // Source: + // ([ this.#myProp ] = [ "hello" ]); + // + // Transformation: + // [ { set value(x) { this.#myProp = x; } }.value ] = [ "hello" ]; + return factory.updateArrayLiteralExpression(node, ts.visitNodes(node.elements, visitArrayAssignmentTarget, ts.isExpression)); + } + else { + // Transforms private names in destructuring assignment object bindings. + // Transforms SuperProperty assignments in destructuring assignment object bindings in static initializers. + // + // Source: + // ({ stringProperty: this.#myProp } = { stringProperty: "hello" }); + // + // Transformation: + // ({ stringProperty: { set value(x) { this.#myProp = x; } }.value }) = { stringProperty: "hello" }; + return factory.updateObjectLiteralExpression(node, ts.visitNodes(node.properties, visitObjectAssignmentTarget, ts.isObjectLiteralElementLike)); + } + } + } + ts.transformClassFields = transformClassFields; + function createPrivateStaticFieldInitializer(variableName, initializer) { + return ts.factory.createAssignment(variableName, ts.factory.createObjectLiteralExpression([ + ts.factory.createPropertyAssignment("value", initializer || ts.factory.createVoidZero()) + ])); + } + function createPrivateInstanceFieldInitializer(receiver, initializer, weakMapName) { + return ts.factory.createCallExpression(ts.factory.createPropertyAccessExpression(weakMapName, "set"), + /*typeArguments*/ undefined, [receiver, initializer || ts.factory.createVoidZero()]); + } + function createPrivateInstanceMethodInitializer(receiver, weakSetName) { + return ts.factory.createCallExpression(ts.factory.createPropertyAccessExpression(weakSetName, "add"), + /*typeArguments*/ undefined, [receiver]); + } + function isReservedPrivateName(node) { + return node.escapedText === "#constructor"; + } +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var ES2017SubstitutionFlags; + (function (ES2017SubstitutionFlags) { + /** Enables substitutions for async methods with `super` calls. */ + ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; + })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); + var ContextFlags; + (function (ContextFlags) { + ContextFlags[ContextFlags["NonTopLevel"] = 1] = "NonTopLevel"; + ContextFlags[ContextFlags["HasLexicalThis"] = 2] = "HasLexicalThis"; + })(ContextFlags || (ContextFlags = {})); + function transformES2017(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + /** + * Keeps track of whether expression substitution has been enabled for specific edge cases. + * They are persisted between each SourceFile transformation and should not be reset. + */ + var enabledSubstitutions; + /** + * This keeps track of containers where `super` is valid, for use with + * just-in-time substitution for `super` expressions inside of async methods. + */ + var enclosingSuperContainerFlags = 0; + var enclosingFunctionParameterNames; + /** + * Keeps track of property names accessed on super (`super.x`) within async functions. + */ + var capturedSuperProperties; + /** Whether the async function contains an element access on super (`super[x]`). */ + var hasSuperElementAccess; + /** A set of node IDs for generated super accessors (variable statements). */ + var substitutedSuperAccessors = []; + var contextFlags = 0; + // Save the previous transformation hooks. + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + // Set new transformation hooks. + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + setContextFlag(1 /* ContextFlags.NonTopLevel */, false); + setContextFlag(2 /* ContextFlags.HasLexicalThis */, !ts.isEffectiveStrictModeSourceFile(node, compilerOptions)); + var visited = ts.visitEachChild(node, visitor, context); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + return visited; + } + function setContextFlag(flag, val) { + contextFlags = val ? contextFlags | flag : contextFlags & ~flag; + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inTopLevelContext() { + return !inContext(1 /* ContextFlags.NonTopLevel */); + } + function inHasLexicalThisContext() { + return inContext(2 /* ContextFlags.HasLexicalThis */); + } + function doWithContext(flags, cb, value) { + var contextFlagsToSet = flags & ~contextFlags; + if (contextFlagsToSet) { + setContextFlag(contextFlagsToSet, /*val*/ true); + var result = cb(value); + setContextFlag(contextFlagsToSet, /*val*/ false); + return result; + } + return cb(value); + } + function visitDefault(node) { + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if ((node.transformFlags & 256 /* TransformFlags.ContainsES2017 */) === 0) { + return node; + } + switch (node.kind) { + case 131 /* SyntaxKind.AsyncKeyword */: + // ES2017 async modifier should be elided for targets < ES2017 + return undefined; + case 218 /* SyntaxKind.AwaitExpression */: + return visitAwaitExpression(node); + case 169 /* SyntaxKind.MethodDeclaration */: + return doWithContext(1 /* ContextFlags.NonTopLevel */ | 2 /* ContextFlags.HasLexicalThis */, visitMethodDeclaration, node); + case 256 /* SyntaxKind.FunctionDeclaration */: + return doWithContext(1 /* ContextFlags.NonTopLevel */ | 2 /* ContextFlags.HasLexicalThis */, visitFunctionDeclaration, node); + case 213 /* SyntaxKind.FunctionExpression */: + return doWithContext(1 /* ContextFlags.NonTopLevel */ | 2 /* ContextFlags.HasLexicalThis */, visitFunctionExpression, node); + case 214 /* SyntaxKind.ArrowFunction */: + return doWithContext(1 /* ContextFlags.NonTopLevel */, visitArrowFunction, node); + case 206 /* SyntaxKind.PropertyAccessExpression */: + if (capturedSuperProperties && ts.isPropertyAccessExpression(node) && node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + capturedSuperProperties.add(node.name.escapedText); + } + return ts.visitEachChild(node, visitor, context); + case 207 /* SyntaxKind.ElementAccessExpression */: + if (capturedSuperProperties && node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + hasSuperElementAccess = true; + } + return ts.visitEachChild(node, visitor, context); + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 171 /* SyntaxKind.Constructor */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return doWithContext(1 /* ContextFlags.NonTopLevel */ | 2 /* ContextFlags.HasLexicalThis */, visitDefault, node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function asyncBodyVisitor(node) { + if (ts.isNodeWithPossibleHoistedDeclaration(node)) { + switch (node.kind) { + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatementInAsyncBody(node); + case 242 /* SyntaxKind.ForStatement */: + return visitForStatementInAsyncBody(node); + case 243 /* SyntaxKind.ForInStatement */: + return visitForInStatementInAsyncBody(node); + case 244 /* SyntaxKind.ForOfStatement */: + return visitForOfStatementInAsyncBody(node); + case 292 /* SyntaxKind.CatchClause */: + return visitCatchClauseInAsyncBody(node); + case 235 /* SyntaxKind.Block */: + case 249 /* SyntaxKind.SwitchStatement */: + case 263 /* SyntaxKind.CaseBlock */: + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + case 252 /* SyntaxKind.TryStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 239 /* SyntaxKind.IfStatement */: + case 248 /* SyntaxKind.WithStatement */: + case 250 /* SyntaxKind.LabeledStatement */: + return ts.visitEachChild(node, asyncBodyVisitor, context); + default: + return ts.Debug.assertNever(node, "Unhandled node."); + } + } + return visitor(node); + } + function visitCatchClauseInAsyncBody(node) { + var catchClauseNames = new ts.Set(); + recordDeclarationName(node.variableDeclaration, catchClauseNames); // TODO: GH#18217 + // names declared in a catch variable are block scoped + var catchClauseUnshadowedNames; + catchClauseNames.forEach(function (_, escapedName) { + if (enclosingFunctionParameterNames.has(escapedName)) { + if (!catchClauseUnshadowedNames) { + catchClauseUnshadowedNames = new ts.Set(enclosingFunctionParameterNames); + } + catchClauseUnshadowedNames.delete(escapedName); + } + }); + if (catchClauseUnshadowedNames) { + var savedEnclosingFunctionParameterNames = enclosingFunctionParameterNames; + enclosingFunctionParameterNames = catchClauseUnshadowedNames; + var result = ts.visitEachChild(node, asyncBodyVisitor, context); + enclosingFunctionParameterNames = savedEnclosingFunctionParameterNames; + return result; + } + else { + return ts.visitEachChild(node, asyncBodyVisitor, context); + } + } + function visitVariableStatementInAsyncBody(node) { + if (isVariableDeclarationListWithCollidingName(node.declarationList)) { + var expression = visitVariableDeclarationListWithCollidingNames(node.declarationList, /*hasReceiver*/ false); + return expression ? factory.createExpressionStatement(expression) : undefined; + } + return ts.visitEachChild(node, visitor, context); + } + function visitForInStatementInAsyncBody(node) { + return factory.updateForInStatement(node, isVariableDeclarationListWithCollidingName(node.initializer) + ? visitVariableDeclarationListWithCollidingNames(node.initializer, /*hasReceiver*/ true) + : ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitIterationBody(node.statement, asyncBodyVisitor, context)); + } + function visitForOfStatementInAsyncBody(node) { + return factory.updateForOfStatement(node, ts.visitNode(node.awaitModifier, visitor, ts.isToken), isVariableDeclarationListWithCollidingName(node.initializer) + ? visitVariableDeclarationListWithCollidingNames(node.initializer, /*hasReceiver*/ true) + : ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitIterationBody(node.statement, asyncBodyVisitor, context)); + } + function visitForStatementInAsyncBody(node) { + var initializer = node.initializer; // TODO: GH#18217 + return factory.updateForStatement(node, isVariableDeclarationListWithCollidingName(initializer) + ? visitVariableDeclarationListWithCollidingNames(initializer, /*hasReceiver*/ false) + : ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitor, ts.isExpression), ts.visitIterationBody(node.statement, asyncBodyVisitor, context)); + } + /** + * Visits an AwaitExpression node. + * + * This function will be called any time a ES2017 await expression is encountered. + * + * @param node The node to visit. + */ + function visitAwaitExpression(node) { + // do not downlevel a top-level await as it is module syntax... + if (inTopLevelContext()) { + return ts.visitEachChild(node, visitor, context); + } + return ts.setOriginalNode(ts.setTextRange(factory.createYieldExpression( + /*asteriskToken*/ undefined, ts.visitNode(node.expression, visitor, ts.isExpression)), node), node); + } + /** + * Visits a MethodDeclaration node. + * + * This function will be called when one of the following conditions are met: + * - The node is marked as async + * + * @param node The node to visit. + */ + function visitMethodDeclaration(node) { + return factory.updateMethodDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*questionToken*/ undefined, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.getFunctionFlags(node) & 2 /* FunctionFlags.Async */ + ? transformAsyncFunctionBody(node) + : ts.visitFunctionBody(node.body, visitor, context)); + } + /** + * Visits a FunctionDeclaration node. + * + * This function will be called when one of the following conditions are met: + * - The node is marked async + * + * @param node The node to visit. + */ + function visitFunctionDeclaration(node) { + return factory.updateFunctionDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.getFunctionFlags(node) & 2 /* FunctionFlags.Async */ + ? transformAsyncFunctionBody(node) + : ts.visitFunctionBody(node.body, visitor, context)); + } + /** + * Visits a FunctionExpression node. + * + * This function will be called when one of the following conditions are met: + * - The node is marked async + * + * @param node The node to visit. + */ + function visitFunctionExpression(node) { + return factory.updateFunctionExpression(node, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, ts.getFunctionFlags(node) & 2 /* FunctionFlags.Async */ + ? transformAsyncFunctionBody(node) + : ts.visitFunctionBody(node.body, visitor, context)); + } + /** + * Visits an ArrowFunction. + * + * This function will be called when one of the following conditions are met: + * - The node is marked async + * + * @param node The node to visit. + */ + function visitArrowFunction(node) { + return factory.updateArrowFunction(node, ts.visitNodes(node.modifiers, visitor, ts.isModifier), + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, node.equalsGreaterThanToken, ts.getFunctionFlags(node) & 2 /* FunctionFlags.Async */ + ? transformAsyncFunctionBody(node) + : ts.visitFunctionBody(node.body, visitor, context)); + } + function recordDeclarationName(_a, names) { + var name = _a.name; + if (ts.isIdentifier(name)) { + names.add(name.escapedText); + } + else { + for (var _i = 0, _b = name.elements; _i < _b.length; _i++) { + var element = _b[_i]; + if (!ts.isOmittedExpression(element)) { + recordDeclarationName(element, names); + } + } + } + } + function isVariableDeclarationListWithCollidingName(node) { + return !!node + && ts.isVariableDeclarationList(node) + && !(node.flags & 3 /* NodeFlags.BlockScoped */) + && node.declarations.some(collidesWithParameterName); + } + function visitVariableDeclarationListWithCollidingNames(node, hasReceiver) { + hoistVariableDeclarationList(node); + var variables = ts.getInitializedVariables(node); + if (variables.length === 0) { + if (hasReceiver) { + return ts.visitNode(factory.converters.convertToAssignmentElementTarget(node.declarations[0].name), visitor, ts.isExpression); + } + return undefined; + } + return factory.inlineExpressions(ts.map(variables, transformInitializedVariable)); + } + function hoistVariableDeclarationList(node) { + ts.forEach(node.declarations, hoistVariable); + } + function hoistVariable(_a) { + var name = _a.name; + if (ts.isIdentifier(name)) { + hoistVariableDeclaration(name); + } + else { + for (var _i = 0, _b = name.elements; _i < _b.length; _i++) { + var element = _b[_i]; + if (!ts.isOmittedExpression(element)) { + hoistVariable(element); + } + } + } + } + function transformInitializedVariable(node) { + var converted = ts.setSourceMapRange(factory.createAssignment(factory.converters.convertToAssignmentElementTarget(node.name), node.initializer), node); + return ts.visitNode(converted, visitor, ts.isExpression); + } + function collidesWithParameterName(_a) { + var name = _a.name; + if (ts.isIdentifier(name)) { + return enclosingFunctionParameterNames.has(name.escapedText); + } + else { + for (var _i = 0, _b = name.elements; _i < _b.length; _i++) { + var element = _b[_i]; + if (!ts.isOmittedExpression(element) && collidesWithParameterName(element)) { + return true; + } + } + } + return false; + } + function transformAsyncFunctionBody(node) { + resumeLexicalEnvironment(); + var original = ts.getOriginalNode(node, ts.isFunctionLike); + var nodeType = original.type; + var promiseConstructor = languageVersion < 2 /* ScriptTarget.ES2015 */ ? getPromiseConstructor(nodeType) : undefined; + var isArrowFunction = node.kind === 214 /* SyntaxKind.ArrowFunction */; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* NodeCheckFlags.CaptureArguments */) !== 0; + // An async function is emit as an outer function that calls an inner + // generator function. To preserve lexical bindings, we pass the current + // `this` and `arguments` objects to `__awaiter`. The generator function + // passed to `__awaiter` is executed inside of the callback to the + // promise constructor. + var savedEnclosingFunctionParameterNames = enclosingFunctionParameterNames; + enclosingFunctionParameterNames = new ts.Set(); + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + recordDeclarationName(parameter, enclosingFunctionParameterNames); + } + var savedCapturedSuperProperties = capturedSuperProperties; + var savedHasSuperElementAccess = hasSuperElementAccess; + if (!isArrowFunction) { + capturedSuperProperties = new ts.Set(); + hasSuperElementAccess = false; + } + var result; + if (!isArrowFunction) { + var statements = []; + var statementOffset = factory.copyPrologue(node.body.statements, statements, /*ensureUseStrict*/ false, visitor); + statements.push(factory.createReturnStatement(emitHelpers().createAwaiterHelper(inHasLexicalThisContext(), hasLexicalArguments, promiseConstructor, transformAsyncFunctionBodyWorker(node.body, statementOffset)))); + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + // Minor optimization, emit `_super` helper to capture `super` access in an arrow. + // This step isn't needed if we eventually transform this to ES5. + var emitSuperHelpers = languageVersion >= 2 /* ScriptTarget.ES2015 */ && resolver.getNodeCheckFlags(node) & (4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */ | 2048 /* NodeCheckFlags.AsyncMethodWithSuper */); + if (emitSuperHelpers) { + enableSubstitutionForAsyncMethodsWithSuper(); + if (capturedSuperProperties.size) { + var variableStatement = createSuperAccessVariableStatement(factory, resolver, node, capturedSuperProperties); + substitutedSuperAccessors[ts.getNodeId(variableStatement)] = true; + ts.insertStatementsAfterStandardPrologue(statements, [variableStatement]); + } + } + var block = factory.createBlock(statements, /*multiLine*/ true); + ts.setTextRange(block, node.body); + if (emitSuperHelpers && hasSuperElementAccess) { + // Emit helpers for super element access expressions (`super[x]`). + if (resolver.getNodeCheckFlags(node) & 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */) { + ts.addEmitHelper(block, ts.advancedAsyncSuperHelper); + } + else if (resolver.getNodeCheckFlags(node) & 2048 /* NodeCheckFlags.AsyncMethodWithSuper */) { + ts.addEmitHelper(block, ts.asyncSuperHelper); + } + } + result = block; + } + else { + var expression = emitHelpers().createAwaiterHelper(inHasLexicalThisContext(), hasLexicalArguments, promiseConstructor, transformAsyncFunctionBodyWorker(node.body)); + var declarations = endLexicalEnvironment(); + if (ts.some(declarations)) { + var block = factory.converters.convertToFunctionBlock(expression); + result = factory.updateBlock(block, ts.setTextRange(factory.createNodeArray(ts.concatenate(declarations, block.statements)), block.statements)); + } + else { + result = expression; + } + } + enclosingFunctionParameterNames = savedEnclosingFunctionParameterNames; + if (!isArrowFunction) { + capturedSuperProperties = savedCapturedSuperProperties; + hasSuperElementAccess = savedHasSuperElementAccess; + } + return result; + } + function transformAsyncFunctionBodyWorker(body, start) { + if (ts.isBlock(body)) { + return factory.updateBlock(body, ts.visitNodes(body.statements, asyncBodyVisitor, ts.isStatement, start)); + } + else { + return factory.converters.convertToFunctionBlock(ts.visitNode(body, asyncBodyVisitor, ts.isConciseBody)); + } + } + function getPromiseConstructor(type) { + var typeName = type && ts.getEntityNameFromTypeNode(type); + if (typeName && ts.isEntityName(typeName)) { + var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); + if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue + || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { + return typeName; + } + } + return undefined; + } + function enableSubstitutionForAsyncMethodsWithSuper() { + if ((enabledSubstitutions & 1 /* ES2017SubstitutionFlags.AsyncMethodsWithSuper */) === 0) { + enabledSubstitutions |= 1 /* ES2017SubstitutionFlags.AsyncMethodsWithSuper */; + // We need to enable substitutions for call, property access, and element access + // if we need to rewrite super calls. + context.enableSubstitution(208 /* SyntaxKind.CallExpression */); + context.enableSubstitution(206 /* SyntaxKind.PropertyAccessExpression */); + context.enableSubstitution(207 /* SyntaxKind.ElementAccessExpression */); + // We need to be notified when entering and exiting declarations that bind super. + context.enableEmitNotification(257 /* SyntaxKind.ClassDeclaration */); + context.enableEmitNotification(169 /* SyntaxKind.MethodDeclaration */); + context.enableEmitNotification(172 /* SyntaxKind.GetAccessor */); + context.enableEmitNotification(173 /* SyntaxKind.SetAccessor */); + context.enableEmitNotification(171 /* SyntaxKind.Constructor */); + // We need to be notified when entering the generated accessor arrow functions. + context.enableEmitNotification(237 /* SyntaxKind.VariableStatement */); + } + } + /** + * Hook for node emit. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emit A callback used to emit the node in the printer. + */ + function onEmitNode(hint, node, emitCallback) { + // If we need to support substitutions for `super` in an async method, + // we should track it here. + if (enabledSubstitutions & 1 /* ES2017SubstitutionFlags.AsyncMethodsWithSuper */ && isSuperContainer(node)) { + var superContainerFlags = resolver.getNodeCheckFlags(node) & (2048 /* NodeCheckFlags.AsyncMethodWithSuper */ | 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */); + if (superContainerFlags !== enclosingSuperContainerFlags) { + var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags; + enclosingSuperContainerFlags = superContainerFlags; + previousOnEmitNode(hint, node, emitCallback); + enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags; + return; + } + } + // Disable substitution in the generated super accessor itself. + else if (enabledSubstitutions && substitutedSuperAccessors[ts.getNodeId(node)]) { + var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags; + enclosingSuperContainerFlags = 0; + previousOnEmitNode(hint, node, emitCallback); + enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags; + return; + } + previousOnEmitNode(hint, node, emitCallback); + } + /** + * Hooks node substitutions. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (hint === 1 /* EmitHint.Expression */ && enclosingSuperContainerFlags) { + return substituteExpression(node); + } + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + return substitutePropertyAccessExpression(node); + case 207 /* SyntaxKind.ElementAccessExpression */: + return substituteElementAccessExpression(node); + case 208 /* SyntaxKind.CallExpression */: + return substituteCallExpression(node); + } + return node; + } + function substitutePropertyAccessExpression(node) { + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), node.name), node); + } + return node; + } + function substituteElementAccessExpression(node) { + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + return createSuperElementAccessInAsyncMethod(node.argumentExpression, node); + } + return node; + } + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return factory.createCallExpression(factory.createPropertyAccessExpression(argumentExpression, "call"), + /*typeArguments*/ undefined, __spreadArray([ + factory.createThis() + ], node.arguments, true)); + } + return node; + } + function isSuperContainer(node) { + var kind = node.kind; + return kind === 257 /* SyntaxKind.ClassDeclaration */ + || kind === 171 /* SyntaxKind.Constructor */ + || kind === 169 /* SyntaxKind.MethodDeclaration */ + || kind === 172 /* SyntaxKind.GetAccessor */ + || kind === 173 /* SyntaxKind.SetAccessor */; + } + function createSuperElementAccessInAsyncMethod(argumentExpression, location) { + if (enclosingSuperContainerFlags & 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.createCallExpression(factory.createUniqueName("_superIndex", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), + /*typeArguments*/ undefined, [argumentExpression]), "value"), location); + } + else { + return ts.setTextRange(factory.createCallExpression(factory.createUniqueName("_superIndex", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), + /*typeArguments*/ undefined, [argumentExpression]), location); + } + } + } + ts.transformES2017 = transformES2017; + /** Creates a variable named `_super` with accessor properties for the given property names. */ + function createSuperAccessVariableStatement(factory, resolver, node, names) { + // Create a variable declaration with a getter/setter (if binding) definition for each name: + // const _super = Object.create(null, { x: { get: () => super.x, set: (v) => super.x = v }, ... }); + var hasBinding = (resolver.getNodeCheckFlags(node) & 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */) !== 0; + var accessors = []; + names.forEach(function (_, key) { + var name = ts.unescapeLeadingUnderscores(key); + var getterAndSetter = []; + getterAndSetter.push(factory.createPropertyAssignment("get", factory.createArrowFunction( + /* modifiers */ undefined, + /* typeParameters */ undefined, + /* parameters */ [], + /* type */ undefined, + /* equalsGreaterThanToken */ undefined, ts.setEmitFlags(factory.createPropertyAccessExpression(ts.setEmitFlags(factory.createSuper(), 4 /* EmitFlags.NoSubstitution */), name), 4 /* EmitFlags.NoSubstitution */)))); + if (hasBinding) { + getterAndSetter.push(factory.createPropertyAssignment("set", factory.createArrowFunction( + /* modifiers */ undefined, + /* typeParameters */ undefined, + /* parameters */ [ + factory.createParameterDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, + /* dotDotDotToken */ undefined, "v", + /* questionToken */ undefined, + /* type */ undefined, + /* initializer */ undefined) + ], + /* type */ undefined, + /* equalsGreaterThanToken */ undefined, factory.createAssignment(ts.setEmitFlags(factory.createPropertyAccessExpression(ts.setEmitFlags(factory.createSuper(), 4 /* EmitFlags.NoSubstitution */), name), 4 /* EmitFlags.NoSubstitution */), factory.createIdentifier("v"))))); + } + accessors.push(factory.createPropertyAssignment(name, factory.createObjectLiteralExpression(getterAndSetter))); + }); + return factory.createVariableStatement( + /* modifiers */ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), + /*exclamationToken*/ undefined, + /* type */ undefined, factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("Object"), "create"), + /* typeArguments */ undefined, [ + factory.createNull(), + factory.createObjectLiteralExpression(accessors, /* multiline */ true) + ])) + ], 2 /* NodeFlags.Const */)); + } + ts.createSuperAccessVariableStatement = createSuperAccessVariableStatement; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var ESNextSubstitutionFlags; + (function (ESNextSubstitutionFlags) { + /** Enables substitutions for async methods with `super` calls. */ + ESNextSubstitutionFlags[ESNextSubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; + })(ESNextSubstitutionFlags || (ESNextSubstitutionFlags = {})); + // Facts we track as we traverse the tree + var HierarchyFacts; + (function (HierarchyFacts) { + HierarchyFacts[HierarchyFacts["None"] = 0] = "None"; + // + // Ancestor facts + // + HierarchyFacts[HierarchyFacts["HasLexicalThis"] = 1] = "HasLexicalThis"; + HierarchyFacts[HierarchyFacts["IterationContainer"] = 2] = "IterationContainer"; + // NOTE: do not add more ancestor flags without also updating AncestorFactsMask below. + // + // Ancestor masks + // + HierarchyFacts[HierarchyFacts["AncestorFactsMask"] = 3] = "AncestorFactsMask"; + HierarchyFacts[HierarchyFacts["SourceFileIncludes"] = 1] = "SourceFileIncludes"; + HierarchyFacts[HierarchyFacts["SourceFileExcludes"] = 2] = "SourceFileExcludes"; + HierarchyFacts[HierarchyFacts["StrictModeSourceFileIncludes"] = 0] = "StrictModeSourceFileIncludes"; + HierarchyFacts[HierarchyFacts["ClassOrFunctionIncludes"] = 1] = "ClassOrFunctionIncludes"; + HierarchyFacts[HierarchyFacts["ClassOrFunctionExcludes"] = 2] = "ClassOrFunctionExcludes"; + HierarchyFacts[HierarchyFacts["ArrowFunctionIncludes"] = 0] = "ArrowFunctionIncludes"; + HierarchyFacts[HierarchyFacts["ArrowFunctionExcludes"] = 2] = "ArrowFunctionExcludes"; + HierarchyFacts[HierarchyFacts["IterationStatementIncludes"] = 2] = "IterationStatementIncludes"; + HierarchyFacts[HierarchyFacts["IterationStatementExcludes"] = 0] = "IterationStatementExcludes"; + })(HierarchyFacts || (HierarchyFacts = {})); + function transformES2018(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + var exportedVariableStatement = false; + var enabledSubstitutions; + var enclosingFunctionFlags; + var parametersWithPrecedingObjectRestOrSpread; + var enclosingSuperContainerFlags = 0; + var hierarchyFacts = 0; + var currentSourceFile; + var taggedTemplateStringDeclarations; + /** Keeps track of property names accessed on super (`super.x`) within async functions. */ + var capturedSuperProperties; + /** Whether the async function contains an element access on super (`super[x]`). */ + var hasSuperElementAccess; + /** A set of node IDs for generated super accessors. */ + var substitutedSuperAccessors = []; + return ts.chainBundle(context, transformSourceFile); + function affectsSubtree(excludeFacts, includeFacts) { + return hierarchyFacts !== (hierarchyFacts & ~excludeFacts | includeFacts); + } + /** + * Sets the `HierarchyFacts` for this node prior to visiting this node's subtree, returning the facts set prior to modification. + * @param excludeFacts The existing `HierarchyFacts` to reset before visiting the subtree. + * @param includeFacts The new `HierarchyFacts` to set before visiting the subtree. + */ + function enterSubtree(excludeFacts, includeFacts) { + var ancestorFacts = hierarchyFacts; + hierarchyFacts = (hierarchyFacts & ~excludeFacts | includeFacts) & 3 /* HierarchyFacts.AncestorFactsMask */; + return ancestorFacts; + } + /** + * Restores the `HierarchyFacts` for this node's ancestor after visiting this node's + * subtree. + * @param ancestorFacts The `HierarchyFacts` of the ancestor to restore after visiting the subtree. + */ + function exitSubtree(ancestorFacts) { + hierarchyFacts = ancestorFacts; + } + function recordTaggedTemplateString(temp) { + taggedTemplateStringDeclarations = ts.append(taggedTemplateStringDeclarations, factory.createVariableDeclaration(temp)); + } + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + currentSourceFile = node; + var visited = visitSourceFile(node); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + currentSourceFile = undefined; + taggedTemplateStringDeclarations = undefined; + return visited; + } + function visitor(node) { + return visitorWorker(node, /*expressionResultIsUnused*/ false); + } + function visitorWithUnusedExpressionResult(node) { + return visitorWorker(node, /*expressionResultIsUnused*/ true); + } + function visitorNoAsyncModifier(node) { + if (node.kind === 131 /* SyntaxKind.AsyncKeyword */) { + return undefined; + } + return node; + } + function doWithHierarchyFacts(cb, value, excludeFacts, includeFacts) { + if (affectsSubtree(excludeFacts, includeFacts)) { + var ancestorFacts = enterSubtree(excludeFacts, includeFacts); + var result = cb(value); + exitSubtree(ancestorFacts); + return result; + } + return cb(value); + } + function visitDefault(node) { + return ts.visitEachChild(node, visitor, context); + } + /** + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitorWorker(node, expressionResultIsUnused) { + if ((node.transformFlags & 128 /* TransformFlags.ContainsES2018 */) === 0) { + return node; + } + switch (node.kind) { + case 218 /* SyntaxKind.AwaitExpression */: + return visitAwaitExpression(node); + case 224 /* SyntaxKind.YieldExpression */: + return visitYieldExpression(node); + case 247 /* SyntaxKind.ReturnStatement */: + return visitReturnStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return visitLabeledStatement(node); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return visitObjectLiteralExpression(node); + case 221 /* SyntaxKind.BinaryExpression */: + return visitBinaryExpression(node, expressionResultIsUnused); + case 351 /* SyntaxKind.CommaListExpression */: + return visitCommaListExpression(node, expressionResultIsUnused); + case 292 /* SyntaxKind.CatchClause */: + return visitCatchClause(node); + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatement(node); + case 254 /* SyntaxKind.VariableDeclaration */: + return visitVariableDeclaration(node); + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 243 /* SyntaxKind.ForInStatement */: + return doWithHierarchyFacts(visitDefault, node, 0 /* HierarchyFacts.IterationStatementExcludes */, 2 /* HierarchyFacts.IterationStatementIncludes */); + case 244 /* SyntaxKind.ForOfStatement */: + return visitForOfStatement(node, /*outermostLabeledStatement*/ undefined); + case 242 /* SyntaxKind.ForStatement */: + return doWithHierarchyFacts(visitForStatement, node, 0 /* HierarchyFacts.IterationStatementExcludes */, 2 /* HierarchyFacts.IterationStatementIncludes */); + case 217 /* SyntaxKind.VoidExpression */: + return visitVoidExpression(node); + case 171 /* SyntaxKind.Constructor */: + return doWithHierarchyFacts(visitConstructorDeclaration, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + case 169 /* SyntaxKind.MethodDeclaration */: + return doWithHierarchyFacts(visitMethodDeclaration, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + case 172 /* SyntaxKind.GetAccessor */: + return doWithHierarchyFacts(visitGetAccessorDeclaration, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + case 173 /* SyntaxKind.SetAccessor */: + return doWithHierarchyFacts(visitSetAccessorDeclaration, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + case 256 /* SyntaxKind.FunctionDeclaration */: + return doWithHierarchyFacts(visitFunctionDeclaration, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + case 213 /* SyntaxKind.FunctionExpression */: + return doWithHierarchyFacts(visitFunctionExpression, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + case 214 /* SyntaxKind.ArrowFunction */: + return doWithHierarchyFacts(visitArrowFunction, node, 2 /* HierarchyFacts.ArrowFunctionExcludes */, 0 /* HierarchyFacts.ArrowFunctionIncludes */); + case 164 /* SyntaxKind.Parameter */: + return visitParameter(node); + case 238 /* SyntaxKind.ExpressionStatement */: + return visitExpressionStatement(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return visitParenthesizedExpression(node, expressionResultIsUnused); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return visitTaggedTemplateExpression(node); + case 206 /* SyntaxKind.PropertyAccessExpression */: + if (capturedSuperProperties && ts.isPropertyAccessExpression(node) && node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + capturedSuperProperties.add(node.name.escapedText); + } + return ts.visitEachChild(node, visitor, context); + case 207 /* SyntaxKind.ElementAccessExpression */: + if (capturedSuperProperties && node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + hasSuperElementAccess = true; + } + return ts.visitEachChild(node, visitor, context); + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return doWithHierarchyFacts(visitDefault, node, 2 /* HierarchyFacts.ClassOrFunctionExcludes */, 1 /* HierarchyFacts.ClassOrFunctionIncludes */); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function visitAwaitExpression(node) { + if (enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */) { + return ts.setOriginalNode(ts.setTextRange(factory.createYieldExpression(/*asteriskToken*/ undefined, emitHelpers().createAwaitHelper(ts.visitNode(node.expression, visitor, ts.isExpression))), + /*location*/ node), node); + } + return ts.visitEachChild(node, visitor, context); + } + function visitYieldExpression(node) { + if (enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */) { + if (node.asteriskToken) { + var expression = ts.visitNode(ts.Debug.checkDefined(node.expression), visitor, ts.isExpression); + return ts.setOriginalNode(ts.setTextRange(factory.createYieldExpression( + /*asteriskToken*/ undefined, emitHelpers().createAwaitHelper(factory.updateYieldExpression(node, node.asteriskToken, ts.setTextRange(emitHelpers().createAsyncDelegatorHelper(ts.setTextRange(emitHelpers().createAsyncValuesHelper(expression), expression)), expression)))), node), node); + } + return ts.setOriginalNode(ts.setTextRange(factory.createYieldExpression( + /*asteriskToken*/ undefined, createDownlevelAwait(node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : factory.createVoidZero())), node), node); + } + return ts.visitEachChild(node, visitor, context); + } + function visitReturnStatement(node) { + if (enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */) { + return factory.updateReturnStatement(node, createDownlevelAwait(node.expression ? ts.visitNode(node.expression, visitor, ts.isExpression) : factory.createVoidZero())); + } + return ts.visitEachChild(node, visitor, context); + } + function visitLabeledStatement(node) { + if (enclosingFunctionFlags & 2 /* FunctionFlags.Async */) { + var statement = ts.unwrapInnermostStatementOfLabel(node); + if (statement.kind === 244 /* SyntaxKind.ForOfStatement */ && statement.awaitModifier) { + return visitForOfStatement(statement, node); + } + return factory.restoreEnclosingLabel(ts.visitNode(statement, visitor, ts.isStatement, factory.liftToBlock), node); + } + return ts.visitEachChild(node, visitor, context); + } + function chunkObjectLiteralElements(elements) { + var chunkObject; + var objects = []; + for (var _i = 0, elements_5 = elements; _i < elements_5.length; _i++) { + var e = elements_5[_i]; + if (e.kind === 298 /* SyntaxKind.SpreadAssignment */) { + if (chunkObject) { + objects.push(factory.createObjectLiteralExpression(chunkObject)); + chunkObject = undefined; + } + var target = e.expression; + objects.push(ts.visitNode(target, visitor, ts.isExpression)); + } + else { + chunkObject = ts.append(chunkObject, e.kind === 296 /* SyntaxKind.PropertyAssignment */ + ? factory.createPropertyAssignment(e.name, ts.visitNode(e.initializer, visitor, ts.isExpression)) + : ts.visitNode(e, visitor, ts.isObjectLiteralElementLike)); + } + } + if (chunkObject) { + objects.push(factory.createObjectLiteralExpression(chunkObject)); + } + return objects; + } + function visitObjectLiteralExpression(node) { + if (node.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + // spread elements emit like so: + // non-spread elements are chunked together into object literals, and then all are passed to __assign: + // { a, ...o, b } => __assign(__assign({a}, o), {b}); + // If the first element is a spread element, then the first argument to __assign is {}: + // { ...o, a, b, ...o2 } => __assign(__assign(__assign({}, o), {a, b}), o2) + // + // We cannot call __assign with more than two elements, since any element could cause side effects. For + // example: + // var k = { a: 1, b: 2 }; + // var o = { a: 3, ...k, b: k.a++ }; + // // expected: { a: 1, b: 1 } + // If we translate the above to `__assign({ a: 3 }, k, { b: k.a++ })`, the `k.a++` will evaluate before + // `k` is spread and we end up with `{ a: 2, b: 1 }`. + // + // This also occurs for spread elements, not just property assignments: + // var k = { a: 1, get b() { l = { z: 9 }; return 2; } }; + // var l = { c: 3 }; + // var o = { ...k, ...l }; + // // expected: { a: 1, b: 2, z: 9 } + // If we translate the above to `__assign({}, k, l)`, the `l` will evaluate before `k` is spread and we + // end up with `{ a: 1, b: 2, c: 3 }` + var objects = chunkObjectLiteralElements(node.properties); + if (objects.length && objects[0].kind !== 205 /* SyntaxKind.ObjectLiteralExpression */) { + objects.unshift(factory.createObjectLiteralExpression()); + } + var expression = objects[0]; + if (objects.length > 1) { + for (var i = 1; i < objects.length; i++) { + expression = emitHelpers().createAssignHelper([expression, objects[i]]); + } + return expression; + } + else { + return emitHelpers().createAssignHelper(objects); + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitExpressionStatement(node) { + return ts.visitEachChild(node, visitorWithUnusedExpressionResult, context); + } + /** + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitParenthesizedExpression(node, expressionResultIsUnused) { + return ts.visitEachChild(node, expressionResultIsUnused ? visitorWithUnusedExpressionResult : visitor, context); + } + function visitSourceFile(node) { + var ancestorFacts = enterSubtree(2 /* HierarchyFacts.SourceFileExcludes */, ts.isEffectiveStrictModeSourceFile(node, compilerOptions) ? + 0 /* HierarchyFacts.StrictModeSourceFileIncludes */ : + 1 /* HierarchyFacts.SourceFileIncludes */); + exportedVariableStatement = false; + var visited = ts.visitEachChild(node, visitor, context); + var statement = ts.concatenate(visited.statements, taggedTemplateStringDeclarations && [ + factory.createVariableStatement(/*modifiers*/ undefined, factory.createVariableDeclarationList(taggedTemplateStringDeclarations)) + ]); + var result = factory.updateSourceFile(visited, ts.setTextRange(factory.createNodeArray(statement), node.statements)); + exitSubtree(ancestorFacts); + return result; + } + function visitTaggedTemplateExpression(node) { + return ts.processTaggedTemplateExpression(context, node, visitor, currentSourceFile, recordTaggedTemplateString, ts.ProcessLevel.LiftRestriction); + } + /** + * Visits a BinaryExpression that contains a destructuring assignment. + * + * @param node A BinaryExpression node. + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitBinaryExpression(node, expressionResultIsUnused) { + if (ts.isDestructuringAssignment(node) && node.left.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + return ts.flattenDestructuringAssignment(node, visitor, context, 1 /* FlattenLevel.ObjectRest */, !expressionResultIsUnused); + } + if (node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + return factory.updateBinaryExpression(node, ts.visitNode(node.left, visitorWithUnusedExpressionResult, ts.isExpression), node.operatorToken, ts.visitNode(node.right, expressionResultIsUnused ? visitorWithUnusedExpressionResult : visitor, ts.isExpression)); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitCommaListExpression(node, expressionResultIsUnused) { + if (expressionResultIsUnused) { + return ts.visitEachChild(node, visitorWithUnusedExpressionResult, context); + } + var result; + for (var i = 0; i < node.elements.length; i++) { + var element = node.elements[i]; + var visited = ts.visitNode(element, i < node.elements.length - 1 ? visitorWithUnusedExpressionResult : visitor, ts.isExpression); + if (result || visited !== element) { + result || (result = node.elements.slice(0, i)); + result.push(visited); + } + } + var elements = result ? ts.setTextRange(factory.createNodeArray(result), node.elements) : node.elements; + return factory.updateCommaListExpression(node, elements); + } + function visitCatchClause(node) { + if (node.variableDeclaration && + ts.isBindingPattern(node.variableDeclaration.name) && + node.variableDeclaration.name.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + var name = factory.getGeneratedNameForNode(node.variableDeclaration.name); + var updatedDecl = factory.updateVariableDeclaration(node.variableDeclaration, node.variableDeclaration.name, /*exclamationToken*/ undefined, /*type*/ undefined, name); + var visitedBindings = ts.flattenDestructuringBinding(updatedDecl, visitor, context, 1 /* FlattenLevel.ObjectRest */); + var block = ts.visitNode(node.block, visitor, ts.isBlock); + if (ts.some(visitedBindings)) { + block = factory.updateBlock(block, __spreadArray([ + factory.createVariableStatement(/*modifiers*/ undefined, visitedBindings) + ], block.statements, true)); + } + return factory.updateCatchClause(node, factory.updateVariableDeclaration(node.variableDeclaration, name, /*exclamationToken*/ undefined, /*type*/ undefined, /*initializer*/ undefined), block); + } + return ts.visitEachChild(node, visitor, context); + } + function visitVariableStatement(node) { + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + var savedExportedVariableStatement = exportedVariableStatement; + exportedVariableStatement = true; + var visited = ts.visitEachChild(node, visitor, context); + exportedVariableStatement = savedExportedVariableStatement; + return visited; + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a VariableDeclaration node with a binding pattern. + * + * @param node A VariableDeclaration node. + */ + function visitVariableDeclaration(node) { + if (exportedVariableStatement) { + var savedExportedVariableStatement = exportedVariableStatement; + exportedVariableStatement = false; + var visited = visitVariableDeclarationWorker(node, /*exportedVariableStatement*/ true); + exportedVariableStatement = savedExportedVariableStatement; + return visited; + } + return visitVariableDeclarationWorker(node, /*exportedVariableStatement*/ false); + } + function visitVariableDeclarationWorker(node, exportedVariableStatement) { + // If we are here it is because the name contains a binding pattern with a rest somewhere in it. + if (ts.isBindingPattern(node.name) && node.name.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + return ts.flattenDestructuringBinding(node, visitor, context, 1 /* FlattenLevel.ObjectRest */, + /*rval*/ undefined, exportedVariableStatement); + } + return ts.visitEachChild(node, visitor, context); + } + function visitForStatement(node) { + return factory.updateForStatement(node, ts.visitNode(node.initializer, visitorWithUnusedExpressionResult, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitorWithUnusedExpressionResult, ts.isExpression), ts.visitIterationBody(node.statement, visitor, context)); + } + function visitVoidExpression(node) { + return ts.visitEachChild(node, visitorWithUnusedExpressionResult, context); + } + /** + * Visits a ForOfStatement and converts it into a ES2015-compatible ForOfStatement. + * + * @param node A ForOfStatement. + */ + function visitForOfStatement(node, outermostLabeledStatement) { + var ancestorFacts = enterSubtree(0 /* HierarchyFacts.IterationStatementExcludes */, 2 /* HierarchyFacts.IterationStatementIncludes */); + if (node.initializer.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + node = transformForOfStatementWithObjectRest(node); + } + var result = node.awaitModifier ? + transformForAwaitOfStatement(node, outermostLabeledStatement, ancestorFacts) : + factory.restoreEnclosingLabel(ts.visitEachChild(node, visitor, context), outermostLabeledStatement); + exitSubtree(ancestorFacts); + return result; + } + function transformForOfStatementWithObjectRest(node) { + var initializerWithoutParens = ts.skipParentheses(node.initializer); + if (ts.isVariableDeclarationList(initializerWithoutParens) || ts.isAssignmentPattern(initializerWithoutParens)) { + var bodyLocation = void 0; + var statementsLocation = void 0; + var temp = factory.createTempVariable(/*recordTempVariable*/ undefined); + var statements = [ts.createForOfBindingStatement(factory, initializerWithoutParens, temp)]; + if (ts.isBlock(node.statement)) { + ts.addRange(statements, node.statement.statements); + bodyLocation = node.statement; + statementsLocation = node.statement.statements; + } + else if (node.statement) { + ts.append(statements, node.statement); + bodyLocation = node.statement; + statementsLocation = node.statement; + } + return factory.updateForOfStatement(node, node.awaitModifier, ts.setTextRange(factory.createVariableDeclarationList([ + ts.setTextRange(factory.createVariableDeclaration(temp), node.initializer) + ], 1 /* NodeFlags.Let */), node.initializer), node.expression, ts.setTextRange(factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), statementsLocation), + /*multiLine*/ true), bodyLocation)); + } + return node; + } + function convertForOfStatementHead(node, boundValue) { + var binding = ts.createForOfBindingStatement(factory, node.initializer, boundValue); + var bodyLocation; + var statementsLocation; + var statements = [ts.visitNode(binding, visitor, ts.isStatement)]; + var statement = ts.visitIterationBody(node.statement, visitor, context); + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + bodyLocation = statement; + statementsLocation = statement.statements; + } + else { + statements.push(statement); + } + return ts.setEmitFlags(ts.setTextRange(factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), statementsLocation), + /*multiLine*/ true), bodyLocation), 48 /* EmitFlags.NoSourceMap */ | 384 /* EmitFlags.NoTokenSourceMaps */); + } + function createDownlevelAwait(expression) { + return enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? factory.createYieldExpression(/*asteriskToken*/ undefined, emitHelpers().createAwaitHelper(expression)) + : factory.createAwaitExpression(expression); + } + function transformForAwaitOfStatement(node, outermostLabeledStatement, ancestorFacts) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var iterator = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(expression) : factory.createTempVariable(/*recordTempVariable*/ undefined); + var result = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(iterator) : factory.createTempVariable(/*recordTempVariable*/ undefined); + var errorRecord = factory.createUniqueName("e"); + var catchVariable = factory.getGeneratedNameForNode(errorRecord); + var returnMethod = factory.createTempVariable(/*recordTempVariable*/ undefined); + var callValues = ts.setTextRange(emitHelpers().createAsyncValuesHelper(expression), node.expression); + var callNext = factory.createCallExpression(factory.createPropertyAccessExpression(iterator, "next"), /*typeArguments*/ undefined, []); + var getDone = factory.createPropertyAccessExpression(result, "done"); + var getValue = factory.createPropertyAccessExpression(result, "value"); + var callReturn = factory.createFunctionCallCall(returnMethod, iterator, []); + hoistVariableDeclaration(errorRecord); + hoistVariableDeclaration(returnMethod); + // if we are enclosed in an outer loop ensure we reset 'errorRecord' per each iteration + var initializer = ancestorFacts & 2 /* HierarchyFacts.IterationContainer */ ? + factory.inlineExpressions([factory.createAssignment(errorRecord, factory.createVoidZero()), callValues]) : + callValues; + var forStatement = ts.setEmitFlags(ts.setTextRange(factory.createForStatement( + /*initializer*/ ts.setEmitFlags(ts.setTextRange(factory.createVariableDeclarationList([ + ts.setTextRange(factory.createVariableDeclaration(iterator, /*exclamationToken*/ undefined, /*type*/ undefined, initializer), node.expression), + factory.createVariableDeclaration(result) + ]), node.expression), 2097152 /* EmitFlags.NoHoisting */), + /*condition*/ factory.createComma(factory.createAssignment(result, createDownlevelAwait(callNext)), factory.createLogicalNot(getDone)), + /*incrementor*/ undefined, + /*statement*/ convertForOfStatementHead(node, getValue)), + /*location*/ node), 256 /* EmitFlags.NoTokenTrailingSourceMaps */); + ts.setOriginalNode(forStatement, node); + return factory.createTryStatement(factory.createBlock([ + factory.restoreEnclosingLabel(forStatement, outermostLabeledStatement) + ]), factory.createCatchClause(factory.createVariableDeclaration(catchVariable), ts.setEmitFlags(factory.createBlock([ + factory.createExpressionStatement(factory.createAssignment(errorRecord, factory.createObjectLiteralExpression([ + factory.createPropertyAssignment("error", catchVariable) + ]))) + ]), 1 /* EmitFlags.SingleLine */)), factory.createBlock([ + factory.createTryStatement( + /*tryBlock*/ factory.createBlock([ + ts.setEmitFlags(factory.createIfStatement(factory.createLogicalAnd(factory.createLogicalAnd(result, factory.createLogicalNot(getDone)), factory.createAssignment(returnMethod, factory.createPropertyAccessExpression(iterator, "return"))), factory.createExpressionStatement(createDownlevelAwait(callReturn))), 1 /* EmitFlags.SingleLine */) + ]), + /*catchClause*/ undefined, + /*finallyBlock*/ ts.setEmitFlags(factory.createBlock([ + ts.setEmitFlags(factory.createIfStatement(errorRecord, factory.createThrowStatement(factory.createPropertyAccessExpression(errorRecord, "error"))), 1 /* EmitFlags.SingleLine */) + ]), 1 /* EmitFlags.SingleLine */)) + ])); + } + function parameterVisitor(node) { + ts.Debug.assertNode(node, ts.isParameter); + return visitParameter(node); + } + function visitParameter(node) { + if (parametersWithPrecedingObjectRestOrSpread === null || parametersWithPrecedingObjectRestOrSpread === void 0 ? void 0 : parametersWithPrecedingObjectRestOrSpread.has(node)) { + return factory.updateParameterDeclaration(node, + /*decorators*/ undefined, + /*modifiers*/ undefined, node.dotDotDotToken, ts.isBindingPattern(node.name) ? factory.getGeneratedNameForNode(node) : node.name, + /*questionToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined); + } + if (node.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + // Binding patterns are converted into a generated name and are + // evaluated inside the function body. + return factory.updateParameterDeclaration(node, + /*decorators*/ undefined, + /*modifiers*/ undefined, node.dotDotDotToken, factory.getGeneratedNameForNode(node), + /*questionToken*/ undefined, + /*type*/ undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); + } + return ts.visitEachChild(node, visitor, context); + } + function collectParametersWithPrecedingObjectRestOrSpread(node) { + var parameters; + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (parameters) { + parameters.add(parameter); + } + else if (parameter.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + parameters = new ts.Set(); + } + } + return parameters; + } + function visitConstructorDeclaration(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateConstructorDeclaration(node, + /*decorators*/ undefined, node.modifiers, ts.visitParameterList(node.parameters, parameterVisitor, context), transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function visitGetAccessorDeclaration(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateGetAccessorDeclaration(node, + /*decorators*/ undefined, node.modifiers, ts.visitNode(node.name, visitor, ts.isPropertyName), ts.visitParameterList(node.parameters, parameterVisitor, context), + /*type*/ undefined, transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function visitSetAccessorDeclaration(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateSetAccessorDeclaration(node, + /*decorators*/ undefined, node.modifiers, ts.visitNode(node.name, visitor, ts.isPropertyName), ts.visitParameterList(node.parameters, parameterVisitor, context), transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function visitMethodDeclaration(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateMethodDeclaration(node, + /*decorators*/ undefined, enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? ts.visitNodes(node.modifiers, visitorNoAsyncModifier, ts.isModifier) + : node.modifiers, enclosingFunctionFlags & 2 /* FunctionFlags.Async */ + ? undefined + : node.asteriskToken, ts.visitNode(node.name, visitor, ts.isPropertyName), ts.visitNode(/*questionToken*/ undefined, visitor, ts.isToken), + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, parameterVisitor, context), + /*type*/ undefined, enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? transformAsyncGeneratorFunctionBody(node) + : transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function visitFunctionDeclaration(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateFunctionDeclaration(node, + /*decorators*/ undefined, enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? ts.visitNodes(node.modifiers, visitorNoAsyncModifier, ts.isModifier) + : node.modifiers, enclosingFunctionFlags & 2 /* FunctionFlags.Async */ + ? undefined + : node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, parameterVisitor, context), + /*type*/ undefined, enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? transformAsyncGeneratorFunctionBody(node) + : transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function visitArrowFunction(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateArrowFunction(node, node.modifiers, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, parameterVisitor, context), + /*type*/ undefined, node.equalsGreaterThanToken, transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function visitFunctionExpression(node) { + var savedEnclosingFunctionFlags = enclosingFunctionFlags; + var savedParametersWithPrecedingObjectRestOrSpread = parametersWithPrecedingObjectRestOrSpread; + enclosingFunctionFlags = ts.getFunctionFlags(node); + parametersWithPrecedingObjectRestOrSpread = collectParametersWithPrecedingObjectRestOrSpread(node); + var updated = factory.updateFunctionExpression(node, enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? ts.visitNodes(node.modifiers, visitorNoAsyncModifier, ts.isModifier) + : node.modifiers, enclosingFunctionFlags & 2 /* FunctionFlags.Async */ + ? undefined + : node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, parameterVisitor, context), + /*type*/ undefined, enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */ + ? transformAsyncGeneratorFunctionBody(node) + : transformFunctionBody(node)); + enclosingFunctionFlags = savedEnclosingFunctionFlags; + parametersWithPrecedingObjectRestOrSpread = savedParametersWithPrecedingObjectRestOrSpread; + return updated; + } + function transformAsyncGeneratorFunctionBody(node) { + resumeLexicalEnvironment(); + var statements = []; + var statementOffset = factory.copyPrologue(node.body.statements, statements, /*ensureUseStrict*/ false, visitor); + appendObjectRestAssignmentsIfNeeded(statements, node); + var savedCapturedSuperProperties = capturedSuperProperties; + var savedHasSuperElementAccess = hasSuperElementAccess; + capturedSuperProperties = new ts.Set(); + hasSuperElementAccess = false; + var returnStatement = factory.createReturnStatement(emitHelpers().createAsyncGeneratorHelper(factory.createFunctionExpression( + /*modifiers*/ undefined, factory.createToken(41 /* SyntaxKind.AsteriskToken */), node.name && factory.getGeneratedNameForNode(node.name), + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, factory.updateBlock(node.body, ts.visitLexicalEnvironment(node.body.statements, visitor, context, statementOffset))), !!(hierarchyFacts & 1 /* HierarchyFacts.HasLexicalThis */))); + // Minor optimization, emit `_super` helper to capture `super` access in an arrow. + // This step isn't needed if we eventually transform this to ES5. + var emitSuperHelpers = languageVersion >= 2 /* ScriptTarget.ES2015 */ && resolver.getNodeCheckFlags(node) & (4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */ | 2048 /* NodeCheckFlags.AsyncMethodWithSuper */); + if (emitSuperHelpers) { + enableSubstitutionForAsyncMethodsWithSuper(); + var variableStatement = ts.createSuperAccessVariableStatement(factory, resolver, node, capturedSuperProperties); + substitutedSuperAccessors[ts.getNodeId(variableStatement)] = true; + ts.insertStatementsAfterStandardPrologue(statements, [variableStatement]); + } + statements.push(returnStatement); + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + var block = factory.updateBlock(node.body, statements); + if (emitSuperHelpers && hasSuperElementAccess) { + if (resolver.getNodeCheckFlags(node) & 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */) { + ts.addEmitHelper(block, ts.advancedAsyncSuperHelper); + } + else if (resolver.getNodeCheckFlags(node) & 2048 /* NodeCheckFlags.AsyncMethodWithSuper */) { + ts.addEmitHelper(block, ts.asyncSuperHelper); + } + } + capturedSuperProperties = savedCapturedSuperProperties; + hasSuperElementAccess = savedHasSuperElementAccess; + return block; + } + function transformFunctionBody(node) { + var _a; + resumeLexicalEnvironment(); + var statementOffset = 0; + var statements = []; + var body = (_a = ts.visitNode(node.body, visitor, ts.isConciseBody)) !== null && _a !== void 0 ? _a : factory.createBlock([]); + if (ts.isBlock(body)) { + statementOffset = factory.copyPrologue(body.statements, statements, /*ensureUseStrict*/ false, visitor); + } + ts.addRange(statements, appendObjectRestAssignmentsIfNeeded(/*statements*/ undefined, node)); + var leadingStatements = endLexicalEnvironment(); + if (statementOffset > 0 || ts.some(statements) || ts.some(leadingStatements)) { + var block = factory.converters.convertToFunctionBlock(body, /*multiLine*/ true); + ts.insertStatementsAfterStandardPrologue(statements, leadingStatements); + ts.addRange(statements, block.statements.slice(statementOffset)); + return factory.updateBlock(block, ts.setTextRange(factory.createNodeArray(statements), block.statements)); + } + return body; + } + function appendObjectRestAssignmentsIfNeeded(statements, node) { + var containsPrecedingObjectRestOrSpread = false; + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (containsPrecedingObjectRestOrSpread) { + if (ts.isBindingPattern(parameter.name)) { + // In cases where a binding pattern is simply '[]' or '{}', + // we usually don't want to emit a var declaration; however, in the presence + // of an initializer, we must emit that expression to preserve side effects. + // + // NOTE: see `insertDefaultValueAssignmentForBindingPattern` in es2015.ts + if (parameter.name.elements.length > 0) { + var declarations = ts.flattenDestructuringBinding(parameter, visitor, context, 0 /* FlattenLevel.All */, factory.getGeneratedNameForNode(parameter)); + if (ts.some(declarations)) { + var declarationList = factory.createVariableDeclarationList(declarations); + var statement = factory.createVariableStatement(/*modifiers*/ undefined, declarationList); + ts.setEmitFlags(statement, 1048576 /* EmitFlags.CustomPrologue */); + statements = ts.append(statements, statement); + } + } + else if (parameter.initializer) { + var name = factory.getGeneratedNameForNode(parameter); + var initializer = ts.visitNode(parameter.initializer, visitor, ts.isExpression); + var assignment = factory.createAssignment(name, initializer); + var statement = factory.createExpressionStatement(assignment); + ts.setEmitFlags(statement, 1048576 /* EmitFlags.CustomPrologue */); + statements = ts.append(statements, statement); + } + } + else if (parameter.initializer) { + // Converts a parameter initializer into a function body statement, i.e.: + // + // function f(x = 1) { } + // + // becomes + // + // function f(x) { + // if (typeof x === "undefined") { x = 1; } + // } + var name = factory.cloneNode(parameter.name); + ts.setTextRange(name, parameter.name); + ts.setEmitFlags(name, 48 /* EmitFlags.NoSourceMap */); + var initializer = ts.visitNode(parameter.initializer, visitor, ts.isExpression); + ts.addEmitFlags(initializer, 48 /* EmitFlags.NoSourceMap */ | 1536 /* EmitFlags.NoComments */); + var assignment = factory.createAssignment(name, initializer); + ts.setTextRange(assignment, parameter); + ts.setEmitFlags(assignment, 1536 /* EmitFlags.NoComments */); + var block = factory.createBlock([factory.createExpressionStatement(assignment)]); + ts.setTextRange(block, parameter); + ts.setEmitFlags(block, 1 /* EmitFlags.SingleLine */ | 32 /* EmitFlags.NoTrailingSourceMap */ | 384 /* EmitFlags.NoTokenSourceMaps */ | 1536 /* EmitFlags.NoComments */); + var typeCheck = factory.createTypeCheck(factory.cloneNode(parameter.name), "undefined"); + var statement = factory.createIfStatement(typeCheck, block); + ts.startOnNewLine(statement); + ts.setTextRange(statement, parameter); + ts.setEmitFlags(statement, 384 /* EmitFlags.NoTokenSourceMaps */ | 32 /* EmitFlags.NoTrailingSourceMap */ | 1048576 /* EmitFlags.CustomPrologue */ | 1536 /* EmitFlags.NoComments */); + statements = ts.append(statements, statement); + } + } + else if (parameter.transformFlags & 32768 /* TransformFlags.ContainsObjectRestOrSpread */) { + containsPrecedingObjectRestOrSpread = true; + var declarations = ts.flattenDestructuringBinding(parameter, visitor, context, 1 /* FlattenLevel.ObjectRest */, factory.getGeneratedNameForNode(parameter), + /*doNotRecordTempVariablesInLine*/ false, + /*skipInitializer*/ true); + if (ts.some(declarations)) { + var declarationList = factory.createVariableDeclarationList(declarations); + var statement = factory.createVariableStatement(/*modifiers*/ undefined, declarationList); + ts.setEmitFlags(statement, 1048576 /* EmitFlags.CustomPrologue */); + statements = ts.append(statements, statement); + } + } + } + return statements; + } + function enableSubstitutionForAsyncMethodsWithSuper() { + if ((enabledSubstitutions & 1 /* ESNextSubstitutionFlags.AsyncMethodsWithSuper */) === 0) { + enabledSubstitutions |= 1 /* ESNextSubstitutionFlags.AsyncMethodsWithSuper */; + // We need to enable substitutions for call, property access, and element access + // if we need to rewrite super calls. + context.enableSubstitution(208 /* SyntaxKind.CallExpression */); + context.enableSubstitution(206 /* SyntaxKind.PropertyAccessExpression */); + context.enableSubstitution(207 /* SyntaxKind.ElementAccessExpression */); + // We need to be notified when entering and exiting declarations that bind super. + context.enableEmitNotification(257 /* SyntaxKind.ClassDeclaration */); + context.enableEmitNotification(169 /* SyntaxKind.MethodDeclaration */); + context.enableEmitNotification(172 /* SyntaxKind.GetAccessor */); + context.enableEmitNotification(173 /* SyntaxKind.SetAccessor */); + context.enableEmitNotification(171 /* SyntaxKind.Constructor */); + // We need to be notified when entering the generated accessor arrow functions. + context.enableEmitNotification(237 /* SyntaxKind.VariableStatement */); + } + } + /** + * Called by the printer just before a node is printed. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to be printed. + * @param emitCallback The callback used to emit the node. + */ + function onEmitNode(hint, node, emitCallback) { + // If we need to support substitutions for `super` in an async method, + // we should track it here. + if (enabledSubstitutions & 1 /* ESNextSubstitutionFlags.AsyncMethodsWithSuper */ && isSuperContainer(node)) { + var superContainerFlags = resolver.getNodeCheckFlags(node) & (2048 /* NodeCheckFlags.AsyncMethodWithSuper */ | 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */); + if (superContainerFlags !== enclosingSuperContainerFlags) { + var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags; + enclosingSuperContainerFlags = superContainerFlags; + previousOnEmitNode(hint, node, emitCallback); + enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags; + return; + } + } + // Disable substitution in the generated super accessor itself. + else if (enabledSubstitutions && substitutedSuperAccessors[ts.getNodeId(node)]) { + var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags; + enclosingSuperContainerFlags = 0; + previousOnEmitNode(hint, node, emitCallback); + enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags; + return; + } + previousOnEmitNode(hint, node, emitCallback); + } + /** + * Hooks node substitutions. + * + * @param hint The context for the emitter. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (hint === 1 /* EmitHint.Expression */ && enclosingSuperContainerFlags) { + return substituteExpression(node); + } + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + return substitutePropertyAccessExpression(node); + case 207 /* SyntaxKind.ElementAccessExpression */: + return substituteElementAccessExpression(node); + case 208 /* SyntaxKind.CallExpression */: + return substituteCallExpression(node); + } + return node; + } + function substitutePropertyAccessExpression(node) { + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), node.name), node); + } + return node; + } + function substituteElementAccessExpression(node) { + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + return createSuperElementAccessInAsyncMethod(node.argumentExpression, node); + } + return node; + } + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return factory.createCallExpression(factory.createPropertyAccessExpression(argumentExpression, "call"), + /*typeArguments*/ undefined, __spreadArray([ + factory.createThis() + ], node.arguments, true)); + } + return node; + } + function isSuperContainer(node) { + var kind = node.kind; + return kind === 257 /* SyntaxKind.ClassDeclaration */ + || kind === 171 /* SyntaxKind.Constructor */ + || kind === 169 /* SyntaxKind.MethodDeclaration */ + || kind === 172 /* SyntaxKind.GetAccessor */ + || kind === 173 /* SyntaxKind.SetAccessor */; + } + function createSuperElementAccessInAsyncMethod(argumentExpression, location) { + if (enclosingSuperContainerFlags & 4096 /* NodeCheckFlags.AsyncMethodWithSuperBinding */) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.createCallExpression(factory.createIdentifier("_superIndex"), + /*typeArguments*/ undefined, [argumentExpression]), "value"), location); + } + else { + return ts.setTextRange(factory.createCallExpression(factory.createIdentifier("_superIndex"), + /*typeArguments*/ undefined, [argumentExpression]), location); + } + } + } + ts.transformES2018 = transformES2018; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformES2019(context) { + var factory = context.factory; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if ((node.transformFlags & 64 /* TransformFlags.ContainsES2019 */) === 0) { + return node; + } + switch (node.kind) { + case 292 /* SyntaxKind.CatchClause */: + return visitCatchClause(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function visitCatchClause(node) { + if (!node.variableDeclaration) { + return factory.updateCatchClause(node, factory.createVariableDeclaration(factory.createTempVariable(/*recordTempVariable*/ undefined)), ts.visitNode(node.block, visitor, ts.isBlock)); + } + return ts.visitEachChild(node, visitor, context); + } + } + ts.transformES2019 = transformES2019; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformES2020(context) { + var factory = context.factory, hoistVariableDeclaration = context.hoistVariableDeclaration; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if ((node.transformFlags & 32 /* TransformFlags.ContainsES2020 */) === 0) { + return node; + } + switch (node.kind) { + case 208 /* SyntaxKind.CallExpression */: { + var updated = visitNonOptionalCallExpression(node, /*captureThisArg*/ false); + ts.Debug.assertNotNode(updated, ts.isSyntheticReference); + return updated; + } + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + if (ts.isOptionalChain(node)) { + var updated = visitOptionalExpression(node, /*captureThisArg*/ false, /*isDelete*/ false); + ts.Debug.assertNotNode(updated, ts.isSyntheticReference); + return updated; + } + return ts.visitEachChild(node, visitor, context); + case 221 /* SyntaxKind.BinaryExpression */: + if (node.operatorToken.kind === 60 /* SyntaxKind.QuestionQuestionToken */) { + return transformNullishCoalescingExpression(node); + } + return ts.visitEachChild(node, visitor, context); + case 215 /* SyntaxKind.DeleteExpression */: + return visitDeleteExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function flattenChain(chain) { + ts.Debug.assertNotNode(chain, ts.isNonNullChain); + var links = [chain]; + while (!chain.questionDotToken && !ts.isTaggedTemplateExpression(chain)) { + chain = ts.cast(ts.skipPartiallyEmittedExpressions(chain.expression), ts.isOptionalChain); + ts.Debug.assertNotNode(chain, ts.isNonNullChain); + links.unshift(chain); + } + return { expression: chain.expression, chain: links }; + } + function visitNonOptionalParenthesizedExpression(node, captureThisArg, isDelete) { + var expression = visitNonOptionalExpression(node.expression, captureThisArg, isDelete); + if (ts.isSyntheticReference(expression)) { + // `(a.b)` -> { expression `((_a = a).b)`, thisArg: `_a` } + // `(a[b])` -> { expression `((_a = a)[b])`, thisArg: `_a` } + return factory.createSyntheticReferenceExpression(factory.updateParenthesizedExpression(node, expression.expression), expression.thisArg); + } + return factory.updateParenthesizedExpression(node, expression); + } + function visitNonOptionalPropertyOrElementAccessExpression(node, captureThisArg, isDelete) { + if (ts.isOptionalChain(node)) { + // If `node` is an optional chain, then it is the outermost chain of an optional expression. + return visitOptionalExpression(node, captureThisArg, isDelete); + } + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + ts.Debug.assertNotNode(expression, ts.isSyntheticReference); + var thisArg; + if (captureThisArg) { + if (!ts.isSimpleCopiableExpression(expression)) { + thisArg = factory.createTempVariable(hoistVariableDeclaration); + expression = factory.createAssignment(thisArg, expression); + } + else { + thisArg = expression; + } + } + expression = node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ + ? factory.updatePropertyAccessExpression(node, expression, ts.visitNode(node.name, visitor, ts.isIdentifier)) + : factory.updateElementAccessExpression(node, expression, ts.visitNode(node.argumentExpression, visitor, ts.isExpression)); + return thisArg ? factory.createSyntheticReferenceExpression(expression, thisArg) : expression; + } + function visitNonOptionalCallExpression(node, captureThisArg) { + if (ts.isOptionalChain(node)) { + // If `node` is an optional chain, then it is the outermost chain of an optional expression. + return visitOptionalExpression(node, captureThisArg, /*isDelete*/ false); + } + if (ts.isParenthesizedExpression(node.expression) && ts.isOptionalChain(ts.skipParentheses(node.expression))) { + // capture thisArg for calls of parenthesized optional chains like `(foo?.bar)()` + var expression = visitNonOptionalParenthesizedExpression(node.expression, /*captureThisArg*/ true, /*isDelete*/ false); + var args = ts.visitNodes(node.arguments, visitor, ts.isExpression); + if (ts.isSyntheticReference(expression)) { + return ts.setTextRange(factory.createFunctionCallCall(expression.expression, expression.thisArg, args), node); + } + return factory.updateCallExpression(node, expression, /*typeArguments*/ undefined, args); + } + return ts.visitEachChild(node, visitor, context); + } + function visitNonOptionalExpression(node, captureThisArg, isDelete) { + switch (node.kind) { + case 212 /* SyntaxKind.ParenthesizedExpression */: return visitNonOptionalParenthesizedExpression(node, captureThisArg, isDelete); + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: return visitNonOptionalPropertyOrElementAccessExpression(node, captureThisArg, isDelete); + case 208 /* SyntaxKind.CallExpression */: return visitNonOptionalCallExpression(node, captureThisArg); + default: return ts.visitNode(node, visitor, ts.isExpression); + } + } + function visitOptionalExpression(node, captureThisArg, isDelete) { + var _a = flattenChain(node), expression = _a.expression, chain = _a.chain; + var left = visitNonOptionalExpression(ts.skipPartiallyEmittedExpressions(expression), ts.isCallChain(chain[0]), /*isDelete*/ false); + var leftThisArg = ts.isSyntheticReference(left) ? left.thisArg : undefined; + var capturedLeft = ts.isSyntheticReference(left) ? left.expression : left; + var leftExpression = factory.restoreOuterExpressions(expression, capturedLeft, 8 /* OuterExpressionKinds.PartiallyEmittedExpressions */); + if (!ts.isSimpleCopiableExpression(capturedLeft)) { + capturedLeft = factory.createTempVariable(hoistVariableDeclaration); + leftExpression = factory.createAssignment(capturedLeft, leftExpression); + } + var rightExpression = capturedLeft; + var thisArg; + for (var i = 0; i < chain.length; i++) { + var segment = chain[i]; + switch (segment.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + if (i === chain.length - 1 && captureThisArg) { + if (!ts.isSimpleCopiableExpression(rightExpression)) { + thisArg = factory.createTempVariable(hoistVariableDeclaration); + rightExpression = factory.createAssignment(thisArg, rightExpression); + } + else { + thisArg = rightExpression; + } + } + rightExpression = segment.kind === 206 /* SyntaxKind.PropertyAccessExpression */ + ? factory.createPropertyAccessExpression(rightExpression, ts.visitNode(segment.name, visitor, ts.isIdentifier)) + : factory.createElementAccessExpression(rightExpression, ts.visitNode(segment.argumentExpression, visitor, ts.isExpression)); + break; + case 208 /* SyntaxKind.CallExpression */: + if (i === 0 && leftThisArg) { + if (!ts.isGeneratedIdentifier(leftThisArg)) { + leftThisArg = factory.cloneNode(leftThisArg); + ts.addEmitFlags(leftThisArg, 1536 /* EmitFlags.NoComments */); + } + rightExpression = factory.createFunctionCallCall(rightExpression, leftThisArg.kind === 106 /* SyntaxKind.SuperKeyword */ ? factory.createThis() : leftThisArg, ts.visitNodes(segment.arguments, visitor, ts.isExpression)); + } + else { + rightExpression = factory.createCallExpression(rightExpression, + /*typeArguments*/ undefined, ts.visitNodes(segment.arguments, visitor, ts.isExpression)); + } + break; + } + ts.setOriginalNode(rightExpression, segment); + } + var target = isDelete + ? factory.createConditionalExpression(createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true), /*questionToken*/ undefined, factory.createTrue(), /*colonToken*/ undefined, factory.createDeleteExpression(rightExpression)) + : factory.createConditionalExpression(createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true), /*questionToken*/ undefined, factory.createVoidZero(), /*colonToken*/ undefined, rightExpression); + ts.setTextRange(target, node); + return thisArg ? factory.createSyntheticReferenceExpression(target, thisArg) : target; + } + function createNotNullCondition(left, right, invert) { + return factory.createBinaryExpression(factory.createBinaryExpression(left, factory.createToken(invert ? 36 /* SyntaxKind.EqualsEqualsEqualsToken */ : 37 /* SyntaxKind.ExclamationEqualsEqualsToken */), factory.createNull()), factory.createToken(invert ? 56 /* SyntaxKind.BarBarToken */ : 55 /* SyntaxKind.AmpersandAmpersandToken */), factory.createBinaryExpression(right, factory.createToken(invert ? 36 /* SyntaxKind.EqualsEqualsEqualsToken */ : 37 /* SyntaxKind.ExclamationEqualsEqualsToken */), factory.createVoidZero())); + } + function transformNullishCoalescingExpression(node) { + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = left; + if (!ts.isSimpleCopiableExpression(left)) { + right = factory.createTempVariable(hoistVariableDeclaration); + left = factory.createAssignment(right, left); + } + return ts.setTextRange(factory.createConditionalExpression(createNotNullCondition(left, right), + /*questionToken*/ undefined, right, + /*colonToken*/ undefined, ts.visitNode(node.right, visitor, ts.isExpression)), node); + } + function visitDeleteExpression(node) { + return ts.isOptionalChain(ts.skipParentheses(node.expression)) + ? ts.setOriginalNode(visitNonOptionalExpression(node.expression, /*captureThisArg*/ false, /*isDelete*/ true), node) + : factory.updateDeleteExpression(node, ts.visitNode(node.expression, visitor, ts.isExpression)); + } + } + ts.transformES2020 = transformES2020; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformES2021(context) { + var hoistVariableDeclaration = context.hoistVariableDeclaration, factory = context.factory; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if ((node.transformFlags & 16 /* TransformFlags.ContainsES2021 */) === 0) { + return node; + } + switch (node.kind) { + case 221 /* SyntaxKind.BinaryExpression */: + var binaryExpression = node; + if (ts.isLogicalOrCoalescingAssignmentExpression(binaryExpression)) { + return transformLogicalAssignment(binaryExpression); + } + // falls through + default: + return ts.visitEachChild(node, visitor, context); + } + } + function transformLogicalAssignment(binaryExpression) { + var operator = binaryExpression.operatorToken; + var nonAssignmentOperator = ts.getNonAssignmentOperatorForCompoundAssignment(operator.kind); + var left = ts.skipParentheses(ts.visitNode(binaryExpression.left, visitor, ts.isLeftHandSideExpression)); + var assignmentTarget = left; + var right = ts.skipParentheses(ts.visitNode(binaryExpression.right, visitor, ts.isExpression)); + if (ts.isAccessExpression(left)) { + var propertyAccessTargetSimpleCopiable = ts.isSimpleCopiableExpression(left.expression); + var propertyAccessTarget = propertyAccessTargetSimpleCopiable ? left.expression : + factory.createTempVariable(hoistVariableDeclaration); + var propertyAccessTargetAssignment = propertyAccessTargetSimpleCopiable ? left.expression : factory.createAssignment(propertyAccessTarget, left.expression); + if (ts.isPropertyAccessExpression(left)) { + assignmentTarget = factory.createPropertyAccessExpression(propertyAccessTarget, left.name); + left = factory.createPropertyAccessExpression(propertyAccessTargetAssignment, left.name); + } + else { + var elementAccessArgumentSimpleCopiable = ts.isSimpleCopiableExpression(left.argumentExpression); + var elementAccessArgument = elementAccessArgumentSimpleCopiable ? left.argumentExpression : + factory.createTempVariable(hoistVariableDeclaration); + assignmentTarget = factory.createElementAccessExpression(propertyAccessTarget, elementAccessArgument); + left = factory.createElementAccessExpression(propertyAccessTargetAssignment, elementAccessArgumentSimpleCopiable ? left.argumentExpression : factory.createAssignment(elementAccessArgument, left.argumentExpression)); + } + } + return factory.createBinaryExpression(left, nonAssignmentOperator, factory.createParenthesizedExpression(factory.createAssignment(assignmentTarget, right))); + } + } + ts.transformES2021 = transformES2021; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformESNext(context) { + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if ((node.transformFlags & 4 /* TransformFlags.ContainsESNext */) === 0) { + return node; + } + switch (node.kind) { + default: + return ts.visitEachChild(node, visitor, context); + } + } + } + ts.transformESNext = transformESNext; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformJsx(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory; + var compilerOptions = context.getCompilerOptions(); + var currentSourceFile; + var currentFileState; + return ts.chainBundle(context, transformSourceFile); + function getCurrentFileNameExpression() { + if (currentFileState.filenameDeclaration) { + return currentFileState.filenameDeclaration.name; + } + var declaration = factory.createVariableDeclaration(factory.createUniqueName("_jsxFileName", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), /*exclaimationToken*/ undefined, /*type*/ undefined, factory.createStringLiteral(currentSourceFile.fileName)); + currentFileState.filenameDeclaration = declaration; + return currentFileState.filenameDeclaration.name; + } + function getJsxFactoryCalleePrimitive(isStaticChildren) { + return compilerOptions.jsx === 5 /* JsxEmit.ReactJSXDev */ ? "jsxDEV" : isStaticChildren ? "jsxs" : "jsx"; + } + function getJsxFactoryCallee(isStaticChildren) { + var type = getJsxFactoryCalleePrimitive(isStaticChildren); + return getImplicitImportForName(type); + } + function getImplicitJsxFragmentReference() { + return getImplicitImportForName("Fragment"); + } + function getImplicitImportForName(name) { + var _a, _b; + var importSource = name === "createElement" + ? currentFileState.importSpecifier + : ts.getJSXRuntimeImport(currentFileState.importSpecifier, compilerOptions); + var existing = (_b = (_a = currentFileState.utilizedImplicitRuntimeImports) === null || _a === void 0 ? void 0 : _a.get(importSource)) === null || _b === void 0 ? void 0 : _b.get(name); + if (existing) { + return existing.name; + } + if (!currentFileState.utilizedImplicitRuntimeImports) { + currentFileState.utilizedImplicitRuntimeImports = new ts.Map(); + } + var specifierSourceImports = currentFileState.utilizedImplicitRuntimeImports.get(importSource); + if (!specifierSourceImports) { + specifierSourceImports = new ts.Map(); + currentFileState.utilizedImplicitRuntimeImports.set(importSource, specifierSourceImports); + } + var generatedName = factory.createUniqueName("_".concat(name), 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */ | 64 /* GeneratedIdentifierFlags.AllowNameSubstitution */); + var specifier = factory.createImportSpecifier(/*isTypeOnly*/ false, factory.createIdentifier(name), generatedName); + generatedName.generatedImportReference = specifier; + specifierSourceImports.set(name, specifier); + return generatedName; + } + /** + * Transform JSX-specific syntax in a SourceFile. + * + * @param node A SourceFile node. + */ + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + currentSourceFile = node; + currentFileState = {}; + currentFileState.importSpecifier = ts.getJSXImplicitImportBase(compilerOptions, node); + var visited = ts.visitEachChild(node, visitor, context); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + var statements = visited.statements; + if (currentFileState.filenameDeclaration) { + statements = ts.insertStatementAfterCustomPrologue(statements.slice(), factory.createVariableStatement(/*modifiers*/ undefined, factory.createVariableDeclarationList([currentFileState.filenameDeclaration], 2 /* NodeFlags.Const */))); + } + if (currentFileState.utilizedImplicitRuntimeImports) { + for (var _i = 0, _a = ts.arrayFrom(currentFileState.utilizedImplicitRuntimeImports.entries()); _i < _a.length; _i++) { + var _b = _a[_i], importSource = _b[0], importSpecifiersMap = _b[1]; + if (ts.isExternalModule(node)) { + // Add `import` statement + var importStatement = factory.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, factory.createImportClause(/*typeOnly*/ false, /*name*/ undefined, factory.createNamedImports(ts.arrayFrom(importSpecifiersMap.values()))), factory.createStringLiteral(importSource), /*assertClause*/ undefined); + ts.setParentRecursive(importStatement, /*incremental*/ false); + statements = ts.insertStatementAfterCustomPrologue(statements.slice(), importStatement); + } + else if (ts.isExternalOrCommonJsModule(node)) { + // Add `require` statement + var requireStatement = factory.createVariableStatement(/*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.createObjectBindingPattern(ts.map(ts.arrayFrom(importSpecifiersMap.values()), function (s) { return factory.createBindingElement(/*dotdotdot*/ undefined, s.propertyName, s.name); })), + /*exclaimationToken*/ undefined, + /*type*/ undefined, factory.createCallExpression(factory.createIdentifier("require"), /*typeArguments*/ undefined, [factory.createStringLiteral(importSource)])) + ], 2 /* NodeFlags.Const */)); + ts.setParentRecursive(requireStatement, /*incremental*/ false); + statements = ts.insertStatementAfterCustomPrologue(statements.slice(), requireStatement); + } + else { + // Do nothing (script file) - consider an error in the checker? + } + } + } + if (statements !== visited.statements) { + visited = factory.updateSourceFile(visited, statements); + } + currentFileState = undefined; + return visited; + } + function visitor(node) { + if (node.transformFlags & 2 /* TransformFlags.ContainsJsx */) { + return visitorWorker(node); + } + else { + return node; + } + } + function visitorWorker(node) { + switch (node.kind) { + case 278 /* SyntaxKind.JsxElement */: + return visitJsxElement(node, /*isChild*/ false); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node, /*isChild*/ false); + case 282 /* SyntaxKind.JsxFragment */: + return visitJsxFragment(node, /*isChild*/ false); + case 288 /* SyntaxKind.JsxExpression */: + return visitJsxExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function transformJsxChildToExpression(node) { + switch (node.kind) { + case 11 /* SyntaxKind.JsxText */: + return visitJsxText(node); + case 288 /* SyntaxKind.JsxExpression */: + return visitJsxExpression(node); + case 278 /* SyntaxKind.JsxElement */: + return visitJsxElement(node, /*isChild*/ true); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node, /*isChild*/ true); + case 282 /* SyntaxKind.JsxFragment */: + return visitJsxFragment(node, /*isChild*/ true); + default: + return ts.Debug.failBadSyntaxKind(node); + } + } + /** + * The react jsx/jsxs transform falls back to `createElement` when an explicit `key` argument comes after a spread + */ + function hasKeyAfterPropsSpread(node) { + var spread = false; + for (var _i = 0, _a = node.attributes.properties; _i < _a.length; _i++) { + var elem = _a[_i]; + if (ts.isJsxSpreadAttribute(elem)) { + spread = true; + } + else if (spread && ts.isJsxAttribute(elem) && elem.name.escapedText === "key") { + return true; + } + } + return false; + } + function shouldUseCreateElement(node) { + return currentFileState.importSpecifier === undefined || hasKeyAfterPropsSpread(node); + } + function visitJsxElement(node, isChild) { + var tagTransform = shouldUseCreateElement(node.openingElement) ? visitJsxOpeningLikeElementCreateElement : visitJsxOpeningLikeElementJSX; + return tagTransform(node.openingElement, node.children, isChild, /*location*/ node); + } + function visitJsxSelfClosingElement(node, isChild) { + var tagTransform = shouldUseCreateElement(node) ? visitJsxOpeningLikeElementCreateElement : visitJsxOpeningLikeElementJSX; + return tagTransform(node, /*children*/ undefined, isChild, /*location*/ node); + } + function visitJsxFragment(node, isChild) { + var tagTransform = currentFileState.importSpecifier === undefined ? visitJsxOpeningFragmentCreateElement : visitJsxOpeningFragmentJSX; + return tagTransform(node.openingFragment, node.children, isChild, /*location*/ node); + } + function convertJsxChildrenToChildrenPropObject(children) { + var prop = convertJsxChildrenToChildrenPropAssignment(children); + return prop && factory.createObjectLiteralExpression([prop]); + } + function convertJsxChildrenToChildrenPropAssignment(children) { + var nonWhitespaceChildren = ts.getSemanticJsxChildren(children); + if (ts.length(nonWhitespaceChildren) === 1 && !nonWhitespaceChildren[0].dotDotDotToken) { + var result_13 = transformJsxChildToExpression(nonWhitespaceChildren[0]); + return result_13 && factory.createPropertyAssignment("children", result_13); + } + var result = ts.mapDefined(children, transformJsxChildToExpression); + return ts.length(result) ? factory.createPropertyAssignment("children", factory.createArrayLiteralExpression(result)) : undefined; + } + function visitJsxOpeningLikeElementJSX(node, children, isChild, location) { + var tagName = getTagName(node); + var childrenProp = children && children.length ? convertJsxChildrenToChildrenPropAssignment(children) : undefined; + var keyAttr = ts.find(node.attributes.properties, function (p) { return !!p.name && ts.isIdentifier(p.name) && p.name.escapedText === "key"; }); + var attrs = keyAttr ? ts.filter(node.attributes.properties, function (p) { return p !== keyAttr; }) : node.attributes.properties; + var objectProperties = ts.length(attrs) ? transformJsxAttributesToObjectProps(attrs, childrenProp) : + factory.createObjectLiteralExpression(childrenProp ? [childrenProp] : ts.emptyArray); // When there are no attributes, React wants {} + return visitJsxOpeningLikeElementOrFragmentJSX(tagName, objectProperties, keyAttr, children || ts.emptyArray, isChild, location); + } + function visitJsxOpeningLikeElementOrFragmentJSX(tagName, objectProperties, keyAttr, children, isChild, location) { + var _a; + var nonWhitespaceChildren = ts.getSemanticJsxChildren(children); + var isStaticChildren = ts.length(nonWhitespaceChildren) > 1 || !!((_a = nonWhitespaceChildren[0]) === null || _a === void 0 ? void 0 : _a.dotDotDotToken); + var args = [tagName, objectProperties]; + // function jsx(type, config, maybeKey) {} + // "maybeKey" is optional. It is acceptable to use "_jsx" without a third argument + if (keyAttr) { + args.push(transformJsxAttributeInitializer(keyAttr.initializer)); + } + if (compilerOptions.jsx === 5 /* JsxEmit.ReactJSXDev */) { + var originalFile = ts.getOriginalNode(currentSourceFile); + if (originalFile && ts.isSourceFile(originalFile)) { + // "maybeKey" has to be replaced with "void 0" to not break the jsxDEV signature + if (keyAttr === undefined) { + args.push(factory.createVoidZero()); + } + // isStaticChildren development flag + args.push(isStaticChildren ? factory.createTrue() : factory.createFalse()); + // __source development flag + var lineCol = ts.getLineAndCharacterOfPosition(originalFile, location.pos); + args.push(factory.createObjectLiteralExpression([ + factory.createPropertyAssignment("fileName", getCurrentFileNameExpression()), + factory.createPropertyAssignment("lineNumber", factory.createNumericLiteral(lineCol.line + 1)), + factory.createPropertyAssignment("columnNumber", factory.createNumericLiteral(lineCol.character + 1)) + ])); + // __self development flag + args.push(factory.createThis()); + } + } + var element = ts.setTextRange(factory.createCallExpression(getJsxFactoryCallee(isStaticChildren), /*typeArguments*/ undefined, args), location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; + } + function visitJsxOpeningLikeElementCreateElement(node, children, isChild, location) { + var tagName = getTagName(node); + var attrs = node.attributes.properties; + var objectProperties = ts.length(attrs) ? transformJsxAttributesToObjectProps(attrs) : + factory.createNull(); // When there are no attributes, React wants "null" + var callee = currentFileState.importSpecifier === undefined + ? ts.createJsxFactoryExpression(factory, context.getEmitResolver().getJsxFactoryEntity(currentSourceFile), compilerOptions.reactNamespace, // TODO: GH#18217 + node) + : getImplicitImportForName("createElement"); + var element = ts.createExpressionForJsxElement(factory, callee, tagName, objectProperties, ts.mapDefined(children, transformJsxChildToExpression), location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; + } + function visitJsxOpeningFragmentJSX(_node, children, isChild, location) { + var childrenProps; + if (children && children.length) { + var result = convertJsxChildrenToChildrenPropObject(children); + if (result) { + childrenProps = result; + } + } + return visitJsxOpeningLikeElementOrFragmentJSX(getImplicitJsxFragmentReference(), childrenProps || factory.createObjectLiteralExpression([]), + /*keyAttr*/ undefined, children, isChild, location); + } + function visitJsxOpeningFragmentCreateElement(node, children, isChild, location) { + var element = ts.createExpressionForJsxFragment(factory, context.getEmitResolver().getJsxFactoryEntity(currentSourceFile), context.getEmitResolver().getJsxFragmentFactoryEntity(currentSourceFile), compilerOptions.reactNamespace, // TODO: GH#18217 + ts.mapDefined(children, transformJsxChildToExpression), node, location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; + } + function transformJsxSpreadAttributeToSpreadAssignment(node) { + return factory.createSpreadAssignment(ts.visitNode(node.expression, visitor, ts.isExpression)); + } + function transformJsxAttributesToObjectProps(attrs, children) { + var target = ts.getEmitScriptTarget(compilerOptions); + return target && target >= 5 /* ScriptTarget.ES2018 */ ? factory.createObjectLiteralExpression(transformJsxAttributesToProps(attrs, children)) : + transformJsxAttributesToExpression(attrs, children); + } + function transformJsxAttributesToProps(attrs, children) { + var props = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { + return ts.map(attrs, function (attr) { return isSpread ? transformJsxSpreadAttributeToSpreadAssignment(attr) : transformJsxAttributeToObjectLiteralElement(attr); }); + })); + if (children) { + props.push(children); + } + return props; + } + function transformJsxAttributesToExpression(attrs, children) { + // Map spans of JsxAttribute nodes into object literals and spans + // of JsxSpreadAttribute nodes into expressions. + var expressions = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread + ? ts.map(attrs, transformJsxSpreadAttributeToExpression) + : factory.createObjectLiteralExpression(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); + if (ts.isJsxSpreadAttribute(attrs[0])) { + // We must always emit at least one object literal before a spread + // argument.factory.createObjectLiteral + expressions.unshift(factory.createObjectLiteralExpression()); + } + if (children) { + expressions.push(factory.createObjectLiteralExpression([children])); + } + return ts.singleOrUndefined(expressions) || emitHelpers().createAssignHelper(expressions); + } + function transformJsxSpreadAttributeToExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + function transformJsxAttributeToObjectLiteralElement(node) { + var name = getAttributeName(node); + var expression = transformJsxAttributeInitializer(node.initializer); + return factory.createPropertyAssignment(name, expression); + } + function transformJsxAttributeInitializer(node) { + if (node === undefined) { + return factory.createTrue(); + } + else if (node.kind === 10 /* SyntaxKind.StringLiteral */) { + // Always recreate the literal to escape any escape sequences or newlines which may be in the original jsx string and which + // Need to be escaped to be handled correctly in a normal string + var singleQuote = node.singleQuote !== undefined ? node.singleQuote : !ts.isStringDoubleQuoted(node, currentSourceFile); + var literal = factory.createStringLiteral(tryDecodeEntities(node.text) || node.text, singleQuote); + return ts.setTextRange(literal, node); + } + else if (node.kind === 288 /* SyntaxKind.JsxExpression */) { + if (node.expression === undefined) { + return factory.createTrue(); + } + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + else { + return ts.Debug.failBadSyntaxKind(node); + } + } + function visitJsxText(node) { + var fixed = fixupWhitespaceAndDecodeEntities(node.text); + return fixed === undefined ? undefined : factory.createStringLiteral(fixed); + } + /** + * JSX trims whitespace at the end and beginning of lines, except that the + * start/end of a tag is considered a start/end of a line only if that line is + * on the same line as the closing tag. See examples in + * tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx + * See also https://www.w3.org/TR/html4/struct/text.html#h-9.1 and https://www.w3.org/TR/CSS2/text.html#white-space-model + * + * An equivalent algorithm would be: + * - If there is only one line, return it. + * - If there is only whitespace (but multiple lines), return `undefined`. + * - Split the text into lines. + * - 'trimRight' the first line, 'trimLeft' the last line, 'trim' middle lines. + * - Decode entities on each line (individually). + * - Remove empty lines and join the rest with " ". + */ + function fixupWhitespaceAndDecodeEntities(text) { + var acc; + // First non-whitespace character on this line. + var firstNonWhitespace = 0; + // Last non-whitespace character on this line. + var lastNonWhitespace = -1; + // These initial values are special because the first line is: + // firstNonWhitespace = 0 to indicate that we want leading whitsepace, + // but lastNonWhitespace = -1 as a special flag to indicate that we *don't* include the line if it's all whitespace. + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + // If we've seen any non-whitespace characters on this line, add the 'trim' of the line. + // (lastNonWhitespace === -1 is a special flag to detect whether the first line is all whitespace.) + if (firstNonWhitespace !== -1 && lastNonWhitespace !== -1) { + acc = addLineOfJsxText(acc, text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1)); + } + // Reset firstNonWhitespace for the next line. + // Don't bother to reset lastNonWhitespace because we ignore it if firstNonWhitespace = -1. + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpaceSingleLine(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + return firstNonWhitespace !== -1 + // Last line had a non-whitespace character. Emit the 'trimLeft', meaning keep trailing whitespace. + ? addLineOfJsxText(acc, text.substr(firstNonWhitespace)) + // Last line was all whitespace, so ignore it + : acc; + } + function addLineOfJsxText(acc, trimmedLine) { + // We do not escape the string here as that is handled by the printer + // when it emits the literal. We do, however, need to decode JSX entities. + var decoded = decodeEntities(trimmedLine); + return acc === undefined ? decoded : acc + " " + decoded; + } + /** + * Replace entities like " ", "{", and "�" with the characters they encode. + * See https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references + */ + function decodeEntities(text) { + return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { + if (decimal) { + return ts.utf16EncodeAsString(parseInt(decimal, 10)); + } + else if (hex) { + return ts.utf16EncodeAsString(parseInt(hex, 16)); + } + else { + var ch = entities.get(word); + // If this is not a valid entity, then just use `match` (replace it with itself, i.e. don't replace) + return ch ? ts.utf16EncodeAsString(ch) : match; + } + }); + } + /** Like `decodeEntities` but returns `undefined` if there were no entities to decode. */ + function tryDecodeEntities(text) { + var decoded = decodeEntities(text); + return decoded === text ? undefined : decoded; + } + function getTagName(node) { + if (node.kind === 278 /* SyntaxKind.JsxElement */) { + return getTagName(node.openingElement); + } + else { + var name = node.tagName; + if (ts.isIdentifier(name) && ts.isIntrinsicJsxName(name.escapedText)) { + return factory.createStringLiteral(ts.idText(name)); + } + else { + return ts.createExpressionFromEntityName(factory, name); + } + } + } + /** + * Emit an attribute name, which is quoted if it needs to be quoted. Because + * these emit into an object literal property name, we don't need to be worried + * about keywords, just non-identifier characters + */ + function getAttributeName(node) { + var name = node.name; + var text = ts.idText(name); + if (/^[A-Za-z_]\w*$/.test(text)) { + return name; + } + else { + return factory.createStringLiteral(text); + } + } + function visitJsxExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + return node.dotDotDotToken ? factory.createSpreadElement(expression) : expression; + } + } + ts.transformJsx = transformJsx; + var entities = new ts.Map(ts.getEntries({ + quot: 0x0022, + amp: 0x0026, + apos: 0x0027, + lt: 0x003C, + gt: 0x003E, + nbsp: 0x00A0, + iexcl: 0x00A1, + cent: 0x00A2, + pound: 0x00A3, + curren: 0x00A4, + yen: 0x00A5, + brvbar: 0x00A6, + sect: 0x00A7, + uml: 0x00A8, + copy: 0x00A9, + ordf: 0x00AA, + laquo: 0x00AB, + not: 0x00AC, + shy: 0x00AD, + reg: 0x00AE, + macr: 0x00AF, + deg: 0x00B0, + plusmn: 0x00B1, + sup2: 0x00B2, + sup3: 0x00B3, + acute: 0x00B4, + micro: 0x00B5, + para: 0x00B6, + middot: 0x00B7, + cedil: 0x00B8, + sup1: 0x00B9, + ordm: 0x00BA, + raquo: 0x00BB, + frac14: 0x00BC, + frac12: 0x00BD, + frac34: 0x00BE, + iquest: 0x00BF, + Agrave: 0x00C0, + Aacute: 0x00C1, + Acirc: 0x00C2, + Atilde: 0x00C3, + Auml: 0x00C4, + Aring: 0x00C5, + AElig: 0x00C6, + Ccedil: 0x00C7, + Egrave: 0x00C8, + Eacute: 0x00C9, + Ecirc: 0x00CA, + Euml: 0x00CB, + Igrave: 0x00CC, + Iacute: 0x00CD, + Icirc: 0x00CE, + Iuml: 0x00CF, + ETH: 0x00D0, + Ntilde: 0x00D1, + Ograve: 0x00D2, + Oacute: 0x00D3, + Ocirc: 0x00D4, + Otilde: 0x00D5, + Ouml: 0x00D6, + times: 0x00D7, + Oslash: 0x00D8, + Ugrave: 0x00D9, + Uacute: 0x00DA, + Ucirc: 0x00DB, + Uuml: 0x00DC, + Yacute: 0x00DD, + THORN: 0x00DE, + szlig: 0x00DF, + agrave: 0x00E0, + aacute: 0x00E1, + acirc: 0x00E2, + atilde: 0x00E3, + auml: 0x00E4, + aring: 0x00E5, + aelig: 0x00E6, + ccedil: 0x00E7, + egrave: 0x00E8, + eacute: 0x00E9, + ecirc: 0x00EA, + euml: 0x00EB, + igrave: 0x00EC, + iacute: 0x00ED, + icirc: 0x00EE, + iuml: 0x00EF, + eth: 0x00F0, + ntilde: 0x00F1, + ograve: 0x00F2, + oacute: 0x00F3, + ocirc: 0x00F4, + otilde: 0x00F5, + ouml: 0x00F6, + divide: 0x00F7, + oslash: 0x00F8, + ugrave: 0x00F9, + uacute: 0x00FA, + ucirc: 0x00FB, + uuml: 0x00FC, + yacute: 0x00FD, + thorn: 0x00FE, + yuml: 0x00FF, + OElig: 0x0152, + oelig: 0x0153, + Scaron: 0x0160, + scaron: 0x0161, + Yuml: 0x0178, + fnof: 0x0192, + circ: 0x02C6, + tilde: 0x02DC, + Alpha: 0x0391, + Beta: 0x0392, + Gamma: 0x0393, + Delta: 0x0394, + Epsilon: 0x0395, + Zeta: 0x0396, + Eta: 0x0397, + Theta: 0x0398, + Iota: 0x0399, + Kappa: 0x039A, + Lambda: 0x039B, + Mu: 0x039C, + Nu: 0x039D, + Xi: 0x039E, + Omicron: 0x039F, + Pi: 0x03A0, + Rho: 0x03A1, + Sigma: 0x03A3, + Tau: 0x03A4, + Upsilon: 0x03A5, + Phi: 0x03A6, + Chi: 0x03A7, + Psi: 0x03A8, + Omega: 0x03A9, + alpha: 0x03B1, + beta: 0x03B2, + gamma: 0x03B3, + delta: 0x03B4, + epsilon: 0x03B5, + zeta: 0x03B6, + eta: 0x03B7, + theta: 0x03B8, + iota: 0x03B9, + kappa: 0x03BA, + lambda: 0x03BB, + mu: 0x03BC, + nu: 0x03BD, + xi: 0x03BE, + omicron: 0x03BF, + pi: 0x03C0, + rho: 0x03C1, + sigmaf: 0x03C2, + sigma: 0x03C3, + tau: 0x03C4, + upsilon: 0x03C5, + phi: 0x03C6, + chi: 0x03C7, + psi: 0x03C8, + omega: 0x03C9, + thetasym: 0x03D1, + upsih: 0x03D2, + piv: 0x03D6, + ensp: 0x2002, + emsp: 0x2003, + thinsp: 0x2009, + zwnj: 0x200C, + zwj: 0x200D, + lrm: 0x200E, + rlm: 0x200F, + ndash: 0x2013, + mdash: 0x2014, + lsquo: 0x2018, + rsquo: 0x2019, + sbquo: 0x201A, + ldquo: 0x201C, + rdquo: 0x201D, + bdquo: 0x201E, + dagger: 0x2020, + Dagger: 0x2021, + bull: 0x2022, + hellip: 0x2026, + permil: 0x2030, + prime: 0x2032, + Prime: 0x2033, + lsaquo: 0x2039, + rsaquo: 0x203A, + oline: 0x203E, + frasl: 0x2044, + euro: 0x20AC, + image: 0x2111, + weierp: 0x2118, + real: 0x211C, + trade: 0x2122, + alefsym: 0x2135, + larr: 0x2190, + uarr: 0x2191, + rarr: 0x2192, + darr: 0x2193, + harr: 0x2194, + crarr: 0x21B5, + lArr: 0x21D0, + uArr: 0x21D1, + rArr: 0x21D2, + dArr: 0x21D3, + hArr: 0x21D4, + forall: 0x2200, + part: 0x2202, + exist: 0x2203, + empty: 0x2205, + nabla: 0x2207, + isin: 0x2208, + notin: 0x2209, + ni: 0x220B, + prod: 0x220F, + sum: 0x2211, + minus: 0x2212, + lowast: 0x2217, + radic: 0x221A, + prop: 0x221D, + infin: 0x221E, + ang: 0x2220, + and: 0x2227, + or: 0x2228, + cap: 0x2229, + cup: 0x222A, + int: 0x222B, + there4: 0x2234, + sim: 0x223C, + cong: 0x2245, + asymp: 0x2248, + ne: 0x2260, + equiv: 0x2261, + le: 0x2264, + ge: 0x2265, + sub: 0x2282, + sup: 0x2283, + nsub: 0x2284, + sube: 0x2286, + supe: 0x2287, + oplus: 0x2295, + otimes: 0x2297, + perp: 0x22A5, + sdot: 0x22C5, + lceil: 0x2308, + rceil: 0x2309, + lfloor: 0x230A, + rfloor: 0x230B, + lang: 0x2329, + rang: 0x232A, + loz: 0x25CA, + spades: 0x2660, + clubs: 0x2663, + hearts: 0x2665, + diams: 0x2666 + })); +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformES2016(context) { + var factory = context.factory, hoistVariableDeclaration = context.hoistVariableDeclaration; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if ((node.transformFlags & 512 /* TransformFlags.ContainsES2016 */) === 0) { + return node; + } + switch (node.kind) { + case 221 /* SyntaxKind.BinaryExpression */: + return visitBinaryExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function visitBinaryExpression(node) { + switch (node.operatorToken.kind) { + case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */: + return visitExponentiationAssignmentExpression(node); + case 42 /* SyntaxKind.AsteriskAsteriskToken */: + return visitExponentiationExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function visitExponentiationAssignmentExpression(node) { + var target; + var value; + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + if (ts.isElementAccessExpression(left)) { + // Transforms `a[x] **= b` into `(_a = a)[_x = x] = Math.pow(_a[_x], b)` + var expressionTemp = factory.createTempVariable(hoistVariableDeclaration); + var argumentExpressionTemp = factory.createTempVariable(hoistVariableDeclaration); + target = ts.setTextRange(factory.createElementAccessExpression(ts.setTextRange(factory.createAssignment(expressionTemp, left.expression), left.expression), ts.setTextRange(factory.createAssignment(argumentExpressionTemp, left.argumentExpression), left.argumentExpression)), left); + value = ts.setTextRange(factory.createElementAccessExpression(expressionTemp, argumentExpressionTemp), left); + } + else if (ts.isPropertyAccessExpression(left)) { + // Transforms `a.x **= b` into `(_a = a).x = Math.pow(_a.x, b)` + var expressionTemp = factory.createTempVariable(hoistVariableDeclaration); + target = ts.setTextRange(factory.createPropertyAccessExpression(ts.setTextRange(factory.createAssignment(expressionTemp, left.expression), left.expression), left.name), left); + value = ts.setTextRange(factory.createPropertyAccessExpression(expressionTemp, left.name), left); + } + else { + // Transforms `a **= b` into `a = Math.pow(a, b)` + target = left; + value = left; + } + return ts.setTextRange(factory.createAssignment(target, ts.setTextRange(factory.createGlobalMethodCall("Math", "pow", [value, right]), node)), node); + } + function visitExponentiationExpression(node) { + // Transforms `a ** b` into `Math.pow(a, b)` + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + return ts.setTextRange(factory.createGlobalMethodCall("Math", "pow", [left, right]), node); + } + } + ts.transformES2016 = transformES2016; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var ES2015SubstitutionFlags; + (function (ES2015SubstitutionFlags) { + /** Enables substitutions for captured `this` */ + ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; + /** Enables substitutions for block-scoped bindings. */ + ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; + })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); + var LoopOutParameterFlags; + (function (LoopOutParameterFlags) { + LoopOutParameterFlags[LoopOutParameterFlags["Body"] = 1] = "Body"; + LoopOutParameterFlags[LoopOutParameterFlags["Initializer"] = 2] = "Initializer"; + })(LoopOutParameterFlags || (LoopOutParameterFlags = {})); + var CopyDirection; + (function (CopyDirection) { + CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; + CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; + })(CopyDirection || (CopyDirection = {})); + var Jump; + (function (Jump) { + Jump[Jump["Break"] = 2] = "Break"; + Jump[Jump["Continue"] = 4] = "Continue"; + Jump[Jump["Return"] = 8] = "Return"; + })(Jump || (Jump = {})); + // Facts we track as we traverse the tree + var HierarchyFacts; + (function (HierarchyFacts) { + HierarchyFacts[HierarchyFacts["None"] = 0] = "None"; + // + // Ancestor facts + // + HierarchyFacts[HierarchyFacts["Function"] = 1] = "Function"; + HierarchyFacts[HierarchyFacts["ArrowFunction"] = 2] = "ArrowFunction"; + HierarchyFacts[HierarchyFacts["AsyncFunctionBody"] = 4] = "AsyncFunctionBody"; + HierarchyFacts[HierarchyFacts["NonStaticClassElement"] = 8] = "NonStaticClassElement"; + HierarchyFacts[HierarchyFacts["CapturesThis"] = 16] = "CapturesThis"; + HierarchyFacts[HierarchyFacts["ExportedVariableStatement"] = 32] = "ExportedVariableStatement"; + HierarchyFacts[HierarchyFacts["TopLevel"] = 64] = "TopLevel"; + HierarchyFacts[HierarchyFacts["Block"] = 128] = "Block"; + HierarchyFacts[HierarchyFacts["IterationStatement"] = 256] = "IterationStatement"; + HierarchyFacts[HierarchyFacts["IterationStatementBlock"] = 512] = "IterationStatementBlock"; + HierarchyFacts[HierarchyFacts["IterationContainer"] = 1024] = "IterationContainer"; + HierarchyFacts[HierarchyFacts["ForStatement"] = 2048] = "ForStatement"; + HierarchyFacts[HierarchyFacts["ForInOrForOfStatement"] = 4096] = "ForInOrForOfStatement"; + HierarchyFacts[HierarchyFacts["ConstructorWithCapturedSuper"] = 8192] = "ConstructorWithCapturedSuper"; + HierarchyFacts[HierarchyFacts["StaticInitializer"] = 16384] = "StaticInitializer"; + // NOTE: do not add more ancestor flags without also updating AncestorFactsMask below. + // NOTE: when adding a new ancestor flag, be sure to update the subtree flags below. + // + // Ancestor masks + // + HierarchyFacts[HierarchyFacts["AncestorFactsMask"] = 32767] = "AncestorFactsMask"; + // We are always in *some* kind of block scope, but only specific block-scope containers are + // top-level or Blocks. + HierarchyFacts[HierarchyFacts["BlockScopeIncludes"] = 0] = "BlockScopeIncludes"; + HierarchyFacts[HierarchyFacts["BlockScopeExcludes"] = 7104] = "BlockScopeExcludes"; + // A source file is a top-level block scope. + HierarchyFacts[HierarchyFacts["SourceFileIncludes"] = 64] = "SourceFileIncludes"; + HierarchyFacts[HierarchyFacts["SourceFileExcludes"] = 8064] = "SourceFileExcludes"; + // Functions, methods, and accessors are both new lexical scopes and new block scopes. + HierarchyFacts[HierarchyFacts["FunctionIncludes"] = 65] = "FunctionIncludes"; + HierarchyFacts[HierarchyFacts["FunctionExcludes"] = 32670] = "FunctionExcludes"; + HierarchyFacts[HierarchyFacts["AsyncFunctionBodyIncludes"] = 69] = "AsyncFunctionBodyIncludes"; + HierarchyFacts[HierarchyFacts["AsyncFunctionBodyExcludes"] = 32662] = "AsyncFunctionBodyExcludes"; + // Arrow functions are lexically scoped to their container, but are new block scopes. + HierarchyFacts[HierarchyFacts["ArrowFunctionIncludes"] = 66] = "ArrowFunctionIncludes"; + HierarchyFacts[HierarchyFacts["ArrowFunctionExcludes"] = 15232] = "ArrowFunctionExcludes"; + // Constructors are both new lexical scopes and new block scopes. Constructors are also + // always considered non-static members of a class. + HierarchyFacts[HierarchyFacts["ConstructorIncludes"] = 73] = "ConstructorIncludes"; + HierarchyFacts[HierarchyFacts["ConstructorExcludes"] = 32662] = "ConstructorExcludes"; + // 'do' and 'while' statements are not block scopes. We track that the subtree is contained + // within an IterationStatement to indicate whether the embedded statement is an + // IterationStatementBlock. + HierarchyFacts[HierarchyFacts["DoOrWhileStatementIncludes"] = 1280] = "DoOrWhileStatementIncludes"; + HierarchyFacts[HierarchyFacts["DoOrWhileStatementExcludes"] = 0] = "DoOrWhileStatementExcludes"; + // 'for' statements are new block scopes and have special handling for 'let' declarations. + HierarchyFacts[HierarchyFacts["ForStatementIncludes"] = 3328] = "ForStatementIncludes"; + HierarchyFacts[HierarchyFacts["ForStatementExcludes"] = 5056] = "ForStatementExcludes"; + // 'for-in' and 'for-of' statements are new block scopes and have special handling for + // 'let' declarations. + HierarchyFacts[HierarchyFacts["ForInOrForOfStatementIncludes"] = 5376] = "ForInOrForOfStatementIncludes"; + HierarchyFacts[HierarchyFacts["ForInOrForOfStatementExcludes"] = 3008] = "ForInOrForOfStatementExcludes"; + // Blocks (other than function bodies) are new block scopes. + HierarchyFacts[HierarchyFacts["BlockIncludes"] = 128] = "BlockIncludes"; + HierarchyFacts[HierarchyFacts["BlockExcludes"] = 6976] = "BlockExcludes"; + HierarchyFacts[HierarchyFacts["IterationStatementBlockIncludes"] = 512] = "IterationStatementBlockIncludes"; + HierarchyFacts[HierarchyFacts["IterationStatementBlockExcludes"] = 7104] = "IterationStatementBlockExcludes"; + HierarchyFacts[HierarchyFacts["StaticInitializerIncludes"] = 16449] = "StaticInitializerIncludes"; + HierarchyFacts[HierarchyFacts["StaticInitializerExcludes"] = 32670] = "StaticInitializerExcludes"; + // + // Subtree facts + // + HierarchyFacts[HierarchyFacts["NewTarget"] = 32768] = "NewTarget"; + HierarchyFacts[HierarchyFacts["CapturedLexicalThis"] = 65536] = "CapturedLexicalThis"; + // + // Subtree masks + // + HierarchyFacts[HierarchyFacts["SubtreeFactsMask"] = -32768] = "SubtreeFactsMask"; + HierarchyFacts[HierarchyFacts["ArrowFunctionSubtreeExcludes"] = 0] = "ArrowFunctionSubtreeExcludes"; + HierarchyFacts[HierarchyFacts["FunctionSubtreeExcludes"] = 98304] = "FunctionSubtreeExcludes"; + })(HierarchyFacts || (HierarchyFacts = {})); + var SpreadSegmentKind; + (function (SpreadSegmentKind) { + SpreadSegmentKind[SpreadSegmentKind["None"] = 0] = "None"; + SpreadSegmentKind[SpreadSegmentKind["UnpackedSpread"] = 1] = "UnpackedSpread"; + SpreadSegmentKind[SpreadSegmentKind["PackedSpread"] = 2] = "PackedSpread"; + })(SpreadSegmentKind || (SpreadSegmentKind = {})); + function createSpreadSegment(kind, expression) { + return { kind: kind, expression: expression }; + } + function transformES2015(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory, startLexicalEnvironment = context.startLexicalEnvironment, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentSourceFile; + var currentText; + var hierarchyFacts; + var taggedTemplateStringDeclarations; + function recordTaggedTemplateString(temp) { + taggedTemplateStringDeclarations = ts.append(taggedTemplateStringDeclarations, factory.createVariableDeclaration(temp)); + } + /** + * Used to track if we are emitting body of the converted loop + */ + var convertedLoopState; + /** + * Keeps track of whether substitutions have been enabled for specific cases. + * They are persisted between each SourceFile transformation and should not + * be reset. + */ + var enabledSubstitutions; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + currentSourceFile = node; + currentText = node.text; + var visited = visitSourceFile(node); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + currentSourceFile = undefined; + currentText = undefined; + taggedTemplateStringDeclarations = undefined; + hierarchyFacts = 0 /* HierarchyFacts.None */; + return visited; + } + /** + * Sets the `HierarchyFacts` for this node prior to visiting this node's subtree, returning the facts set prior to modification. + * @param excludeFacts The existing `HierarchyFacts` to reset before visiting the subtree. + * @param includeFacts The new `HierarchyFacts` to set before visiting the subtree. + */ + function enterSubtree(excludeFacts, includeFacts) { + var ancestorFacts = hierarchyFacts; + hierarchyFacts = (hierarchyFacts & ~excludeFacts | includeFacts) & 32767 /* HierarchyFacts.AncestorFactsMask */; + return ancestorFacts; + } + /** + * Restores the `HierarchyFacts` for this node's ancestor after visiting this node's + * subtree, propagating specific facts from the subtree. + * @param ancestorFacts The `HierarchyFacts` of the ancestor to restore after visiting the subtree. + * @param excludeFacts The existing `HierarchyFacts` of the subtree that should not be propagated. + * @param includeFacts The new `HierarchyFacts` of the subtree that should be propagated. + */ + function exitSubtree(ancestorFacts, excludeFacts, includeFacts) { + hierarchyFacts = (hierarchyFacts & ~excludeFacts | includeFacts) & -32768 /* HierarchyFacts.SubtreeFactsMask */ | ancestorFacts; + } + function isReturnVoidStatementInConstructorWithCapturedSuper(node) { + return (hierarchyFacts & 8192 /* HierarchyFacts.ConstructorWithCapturedSuper */) !== 0 + && node.kind === 247 /* SyntaxKind.ReturnStatement */ + && !node.expression; + } + function isOrMayContainReturnCompletion(node) { + return node.transformFlags & 2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */ + && (ts.isReturnStatement(node) + || ts.isIfStatement(node) + || ts.isWithStatement(node) + || ts.isSwitchStatement(node) + || ts.isCaseBlock(node) + || ts.isCaseClause(node) + || ts.isDefaultClause(node) + || ts.isTryStatement(node) + || ts.isCatchClause(node) + || ts.isLabeledStatement(node) + || ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) + || ts.isBlock(node)); + } + function shouldVisitNode(node) { + return (node.transformFlags & 1024 /* TransformFlags.ContainsES2015 */) !== 0 + || convertedLoopState !== undefined + || (hierarchyFacts & 8192 /* HierarchyFacts.ConstructorWithCapturedSuper */ && isOrMayContainReturnCompletion(node)) + || (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatement(node)) + || (ts.getEmitFlags(node) & 33554432 /* EmitFlags.TypeScriptClassWrapper */) !== 0; + } + function visitor(node) { + return shouldVisitNode(node) ? visitorWorker(node, /*expressionResultIsUnused*/ false) : node; + } + function visitorWithUnusedExpressionResult(node) { + return shouldVisitNode(node) ? visitorWorker(node, /*expressionResultIsUnused*/ true) : node; + } + function classWrapperStatementVisitor(node) { + if (shouldVisitNode(node)) { + var original = ts.getOriginalNode(node); + if (ts.isPropertyDeclaration(original) && ts.hasStaticModifier(original)) { + var ancestorFacts = enterSubtree(32670 /* HierarchyFacts.StaticInitializerExcludes */, 16449 /* HierarchyFacts.StaticInitializerIncludes */); + var result = visitorWorker(node, /*expressionResultIsUnused*/ false); + exitSubtree(ancestorFacts, 98304 /* HierarchyFacts.FunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + return result; + } + return visitorWorker(node, /*expressionResultIsUnused*/ false); + } + return node; + } + function callExpressionVisitor(node) { + if (node.kind === 106 /* SyntaxKind.SuperKeyword */) { + return visitSuperKeyword(/*isExpressionOfCall*/ true); + } + return visitor(node); + } + function visitorWorker(node, expressionResultIsUnused) { + switch (node.kind) { + case 124 /* SyntaxKind.StaticKeyword */: + return undefined; // elide static keyword + case 257 /* SyntaxKind.ClassDeclaration */: + return visitClassDeclaration(node); + case 226 /* SyntaxKind.ClassExpression */: + return visitClassExpression(node); + case 164 /* SyntaxKind.Parameter */: + return visitParameter(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 214 /* SyntaxKind.ArrowFunction */: + return visitArrowFunction(node); + case 213 /* SyntaxKind.FunctionExpression */: + return visitFunctionExpression(node); + case 254 /* SyntaxKind.VariableDeclaration */: + return visitVariableDeclaration(node); + case 79 /* SyntaxKind.Identifier */: + return visitIdentifier(node); + case 255 /* SyntaxKind.VariableDeclarationList */: + return visitVariableDeclarationList(node); + case 249 /* SyntaxKind.SwitchStatement */: + return visitSwitchStatement(node); + case 263 /* SyntaxKind.CaseBlock */: + return visitCaseBlock(node); + case 235 /* SyntaxKind.Block */: + return visitBlock(node, /*isFunctionBody*/ false); + case 246 /* SyntaxKind.BreakStatement */: + case 245 /* SyntaxKind.ContinueStatement */: + return visitBreakOrContinueStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return visitLabeledStatement(node); + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + return visitDoOrWhileStatement(node, /*outermostLabeledStatement*/ undefined); + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node, /*outermostLabeledStatement*/ undefined); + case 243 /* SyntaxKind.ForInStatement */: + return visitForInStatement(node, /*outermostLabeledStatement*/ undefined); + case 244 /* SyntaxKind.ForOfStatement */: + return visitForOfStatement(node, /*outermostLabeledStatement*/ undefined); + case 238 /* SyntaxKind.ExpressionStatement */: + return visitExpressionStatement(node); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return visitObjectLiteralExpression(node); + case 292 /* SyntaxKind.CatchClause */: + return visitCatchClause(node); + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return visitShorthandPropertyAssignment(node); + case 162 /* SyntaxKind.ComputedPropertyName */: + return visitComputedPropertyName(node); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return visitArrayLiteralExpression(node); + case 208 /* SyntaxKind.CallExpression */: + return visitCallExpression(node); + case 209 /* SyntaxKind.NewExpression */: + return visitNewExpression(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return visitParenthesizedExpression(node, expressionResultIsUnused); + case 221 /* SyntaxKind.BinaryExpression */: + return visitBinaryExpression(node, expressionResultIsUnused); + case 351 /* SyntaxKind.CommaListExpression */: + return visitCommaListExpression(node, expressionResultIsUnused); + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 15 /* SyntaxKind.TemplateHead */: + case 16 /* SyntaxKind.TemplateMiddle */: + case 17 /* SyntaxKind.TemplateTail */: + return visitTemplateLiteral(node); + case 10 /* SyntaxKind.StringLiteral */: + return visitStringLiteral(node); + case 8 /* SyntaxKind.NumericLiteral */: + return visitNumericLiteral(node); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return visitTaggedTemplateExpression(node); + case 223 /* SyntaxKind.TemplateExpression */: + return visitTemplateExpression(node); + case 224 /* SyntaxKind.YieldExpression */: + return visitYieldExpression(node); + case 225 /* SyntaxKind.SpreadElement */: + return visitSpreadElement(node); + case 106 /* SyntaxKind.SuperKeyword */: + return visitSuperKeyword(/*isExpressionOfCall*/ false); + case 108 /* SyntaxKind.ThisKeyword */: + return visitThisKeyword(node); + case 231 /* SyntaxKind.MetaProperty */: + return visitMetaProperty(node); + case 169 /* SyntaxKind.MethodDeclaration */: + return visitMethodDeclaration(node); + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return visitAccessorDeclaration(node); + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatement(node); + case 247 /* SyntaxKind.ReturnStatement */: + return visitReturnStatement(node); + case 217 /* SyntaxKind.VoidExpression */: + return visitVoidExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + function visitSourceFile(node) { + var ancestorFacts = enterSubtree(8064 /* HierarchyFacts.SourceFileExcludes */, 64 /* HierarchyFacts.SourceFileIncludes */); + var prologue = []; + var statements = []; + startLexicalEnvironment(); + var statementOffset = factory.copyPrologue(node.statements, prologue, /*ensureUseStrict*/ false, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + if (taggedTemplateStringDeclarations) { + statements.push(factory.createVariableStatement(/*modifiers*/ undefined, factory.createVariableDeclarationList(taggedTemplateStringDeclarations))); + } + factory.mergeLexicalEnvironment(prologue, endLexicalEnvironment()); + insertCaptureThisForNodeIfNeeded(prologue, node); + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return factory.updateSourceFile(node, ts.setTextRange(factory.createNodeArray(ts.concatenate(prologue, statements)), node.statements)); + } + function visitSwitchStatement(node) { + if (convertedLoopState !== undefined) { + var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + // for switch statement allow only non-labeled break + convertedLoopState.allowedNonLabeledJumps |= 2 /* Jump.Break */; + var result = ts.visitEachChild(node, visitor, context); + convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; + return result; + } + return ts.visitEachChild(node, visitor, context); + } + function visitCaseBlock(node) { + var ancestorFacts = enterSubtree(7104 /* HierarchyFacts.BlockScopeExcludes */, 0 /* HierarchyFacts.BlockScopeIncludes */); + var updated = ts.visitEachChild(node, visitor, context); + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return updated; + } + function returnCapturedThis(node) { + return ts.setOriginalNode(factory.createReturnStatement(factory.createUniqueName("_this", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */)), node); + } + function visitReturnStatement(node) { + if (convertedLoopState) { + convertedLoopState.nonLocalJumps |= 8 /* Jump.Return */; + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + node = returnCapturedThis(node); + } + return factory.createReturnStatement(factory.createObjectLiteralExpression([ + factory.createPropertyAssignment(factory.createIdentifier("value"), node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : factory.createVoidZero()) + ])); + } + else if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + return ts.visitEachChild(node, visitor, context); + } + function visitThisKeyword(node) { + if (hierarchyFacts & 2 /* HierarchyFacts.ArrowFunction */ && !(hierarchyFacts & 16384 /* HierarchyFacts.StaticInitializer */)) { + hierarchyFacts |= 65536 /* HierarchyFacts.CapturedLexicalThis */; + } + if (convertedLoopState) { + if (hierarchyFacts & 2 /* HierarchyFacts.ArrowFunction */) { + // if the enclosing function is an ArrowFunction then we use the captured 'this' keyword. + convertedLoopState.containsLexicalThis = true; + return node; + } + return convertedLoopState.thisName || (convertedLoopState.thisName = factory.createUniqueName("this")); + } + return node; + } + function visitVoidExpression(node) { + return ts.visitEachChild(node, visitorWithUnusedExpressionResult, context); + } + function visitIdentifier(node) { + if (!convertedLoopState) { + return node; + } + if (resolver.isArgumentsLocalBinding(node)) { + return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = factory.createUniqueName("arguments")); + } + return node; + } + function visitBreakOrContinueStatement(node) { + if (convertedLoopState) { + // check if we can emit break/continue as is + // it is possible if either + // - break/continue is labeled and label is located inside the converted loop + // - break/continue is non-labeled and located in non-converted loop/switch statement + var jump = node.kind === 246 /* SyntaxKind.BreakStatement */ ? 2 /* Jump.Break */ : 4 /* Jump.Continue */; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels.get(ts.idText(node.label))) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + var labelMarker = void 0; + var label = node.label; + if (!label) { + if (node.kind === 246 /* SyntaxKind.BreakStatement */) { + convertedLoopState.nonLocalJumps |= 2 /* Jump.Break */; + labelMarker = "break"; + } + else { + convertedLoopState.nonLocalJumps |= 4 /* Jump.Continue */; + // note: return value is emitted only to simplify debugging, call to converted loop body does not do any dispatching on it. + labelMarker = "continue"; + } + } + else { + if (node.kind === 246 /* SyntaxKind.BreakStatement */) { + labelMarker = "break-".concat(label.escapedText); + setLabeledJump(convertedLoopState, /*isBreak*/ true, ts.idText(label), labelMarker); + } + else { + labelMarker = "continue-".concat(label.escapedText); + setLabeledJump(convertedLoopState, /*isBreak*/ false, ts.idText(label), labelMarker); + } + } + var returnExpression = factory.createStringLiteral(labelMarker); + if (convertedLoopState.loopOutParameters.length) { + var outParams = convertedLoopState.loopOutParameters; + var expr = void 0; + for (var i = 0; i < outParams.length; i++) { + var copyExpr = copyOutParameter(outParams[i], 1 /* CopyDirection.ToOutParameter */); + if (i === 0) { + expr = copyExpr; + } + else { + expr = factory.createBinaryExpression(expr, 27 /* SyntaxKind.CommaToken */, copyExpr); + } + } + returnExpression = factory.createBinaryExpression(expr, 27 /* SyntaxKind.CommaToken */, returnExpression); + } + return factory.createReturnStatement(returnExpression); + } + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a ClassDeclaration and transforms it into a variable statement. + * + * @param node A ClassDeclaration node. + */ + function visitClassDeclaration(node) { + // [source] + // class C { } + // + // [output] + // var C = (function () { + // function C() { + // } + // return C; + // }()); + var variable = factory.createVariableDeclaration(factory.getLocalName(node, /*allowComments*/ true), + /*exclamationToken*/ undefined, + /*type*/ undefined, transformClassLikeDeclarationToExpression(node)); + ts.setOriginalNode(variable, node); + var statements = []; + var statement = factory.createVariableStatement(/*modifiers*/ undefined, factory.createVariableDeclarationList([variable])); + ts.setOriginalNode(statement, node); + ts.setTextRange(statement, node); + ts.startOnNewLine(statement); + statements.push(statement); + // Add an `export default` statement for default exports (for `--target es5 --module es6`) + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + var exportStatement = ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */) + ? factory.createExportDefault(factory.getLocalName(node)) + : factory.createExternalModuleExport(factory.getLocalName(node)); + ts.setOriginalNode(exportStatement, statement); + statements.push(exportStatement); + } + var emitFlags = ts.getEmitFlags(node); + if ((emitFlags & 4194304 /* EmitFlags.HasEndOfDeclarationMarker */) === 0) { + // Add a DeclarationMarker as a marker for the end of the declaration + statements.push(factory.createEndOfDeclarationMarker(node)); + ts.setEmitFlags(statement, emitFlags | 4194304 /* EmitFlags.HasEndOfDeclarationMarker */); + } + return ts.singleOrMany(statements); + } + /** + * Visits a ClassExpression and transforms it into an expression. + * + * @param node A ClassExpression node. + */ + function visitClassExpression(node) { + // [source] + // C = class { } + // + // [output] + // C = (function () { + // function class_1() { + // } + // return class_1; + // }()) + return transformClassLikeDeclarationToExpression(node); + } + /** + * Transforms a ClassExpression or ClassDeclaration into an expression. + * + * @param node A ClassExpression or ClassDeclaration node. + */ + function transformClassLikeDeclarationToExpression(node) { + // [source] + // class C extends D { + // constructor() {} + // method() {} + // get prop() {} + // set prop(v) {} + // } + // + // [output] + // (function (_super) { + // __extends(C, _super); + // function C() { + // } + // C.prototype.method = function () {} + // Object.defineProperty(C.prototype, "prop", { + // get: function() {}, + // set: function() {}, + // enumerable: true, + // configurable: true + // }); + // return C; + // }(D)) + if (node.name) { + enableSubstitutionsForBlockScopedBindings(); + } + var extendsClauseElement = ts.getClassExtendsHeritageElement(node); + var classFunction = factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, extendsClauseElement ? [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */))] : [], + /*type*/ undefined, transformClassBody(node, extendsClauseElement)); + // To preserve the behavior of the old emitter, we explicitly indent + // the body of the function here if it was requested in an earlier + // transformation. + ts.setEmitFlags(classFunction, (ts.getEmitFlags(node) & 65536 /* EmitFlags.Indented */) | 524288 /* EmitFlags.ReuseTempVariableScope */); + // "inner" and "outer" below are added purely to preserve source map locations from + // the old emitter + var inner = factory.createPartiallyEmittedExpression(classFunction); + ts.setTextRangeEnd(inner, node.end); + ts.setEmitFlags(inner, 1536 /* EmitFlags.NoComments */); + var outer = factory.createPartiallyEmittedExpression(inner); + ts.setTextRangeEnd(outer, ts.skipTrivia(currentText, node.pos)); + ts.setEmitFlags(outer, 1536 /* EmitFlags.NoComments */); + var result = factory.createParenthesizedExpression(factory.createCallExpression(outer, + /*typeArguments*/ undefined, extendsClauseElement + ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] + : [])); + ts.addSyntheticLeadingComment(result, 3 /* SyntaxKind.MultiLineCommentTrivia */, "* @class "); + return result; + } + /** + * Transforms a ClassExpression or ClassDeclaration into a function body. + * + * @param node A ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. + */ + function transformClassBody(node, extendsClauseElement) { + var statements = []; + var name = factory.getInternalName(node); + var constructorLikeName = ts.isIdentifierANonContextualKeyword(name) ? factory.getGeneratedNameForNode(name) : name; + startLexicalEnvironment(); + addExtendsHelperIfNeeded(statements, node, extendsClauseElement); + addConstructor(statements, node, constructorLikeName, extendsClauseElement); + addClassMembers(statements, node); + // Create a synthetic text range for the return statement. + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 19 /* SyntaxKind.CloseBraceToken */); + // The following partially-emitted expression exists purely to align our sourcemap + // emit with the original emitter. + var outer = factory.createPartiallyEmittedExpression(constructorLikeName); + ts.setTextRangeEnd(outer, closingBraceLocation.end); + ts.setEmitFlags(outer, 1536 /* EmitFlags.NoComments */); + var statement = factory.createReturnStatement(outer); + ts.setTextRangePos(statement, closingBraceLocation.pos); + ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */ | 384 /* EmitFlags.NoTokenSourceMaps */); + statements.push(statement); + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + var block = factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), /*location*/ node.members), /*multiLine*/ true); + ts.setEmitFlags(block, 1536 /* EmitFlags.NoComments */); + return block; + } + /** + * Adds a call to the `__extends` helper if needed for a class. + * + * @param statements The statements of the class body function. + * @param node The ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. + */ + function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { + if (extendsClauseElement) { + statements.push(ts.setTextRange(factory.createExpressionStatement(emitHelpers().createExtendsHelper(factory.getInternalName(node))), + /*location*/ extendsClauseElement)); + } + } + /** + * Adds the constructor of the class to a class body function. + * + * @param statements The statements of the class body function. + * @param node The ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. + */ + function addConstructor(statements, node, name, extendsClauseElement) { + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var ancestorFacts = enterSubtree(32662 /* HierarchyFacts.ConstructorExcludes */, 73 /* HierarchyFacts.ConstructorIncludes */); + var constructor = ts.getFirstConstructorWithBody(node); + var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); + var constructorFunction = factory.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, name, + /*typeParameters*/ undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), + /*type*/ undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper)); + ts.setTextRange(constructorFunction, constructor || node); + if (extendsClauseElement) { + ts.setEmitFlags(constructorFunction, 8 /* EmitFlags.CapturesThis */); + } + statements.push(constructorFunction); + exitSubtree(ancestorFacts, 98304 /* HierarchyFacts.FunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + convertedLoopState = savedConvertedLoopState; + } + /** + * Transforms the parameters of the constructor declaration of a class. + * + * @param constructor The constructor for the class. + * @param hasSynthesizedSuper A value indicating whether the constructor starts with a + * synthesized `super` call. + */ + function transformConstructorParameters(constructor, hasSynthesizedSuper) { + // If the TypeScript transformer needed to synthesize a constructor for property + // initializers, it would have also added a synthetic `...args` parameter and + // `super` call. + // If this is the case, we do not include the synthetic `...args` parameter and + // will instead use the `arguments` object in ES5/3. + return ts.visitParameterList(constructor && !hasSynthesizedSuper ? constructor.parameters : undefined, visitor, context) + || []; + } + function createDefaultConstructorBody(node, isDerivedClass) { + // We must be here because the user didn't write a constructor + // but we needed to call 'super(...args)' anyway as per 14.5.14 of the ES2016 spec. + // If that's the case we can just immediately return the result of a 'super()' call. + var statements = []; + resumeLexicalEnvironment(); + factory.mergeLexicalEnvironment(statements, endLexicalEnvironment()); + if (isDerivedClass) { + // return _super !== null && _super.apply(this, arguments) || this; + statements.push(factory.createReturnStatement(createDefaultSuperCallOrThis())); + } + var statementsArray = factory.createNodeArray(statements); + ts.setTextRange(statementsArray, node.members); + var block = factory.createBlock(statementsArray, /*multiLine*/ true); + ts.setTextRange(block, node); + ts.setEmitFlags(block, 1536 /* EmitFlags.NoComments */); + return block; + } + /** + * Transforms the body of a constructor declaration of a class. + * + * @param constructor The constructor for the class. + * @param node The node which contains the constructor. + * @param extendsClauseElement The expression for the class `extends` clause. + * @param hasSynthesizedSuper A value indicating whether the constructor starts with a + * synthesized `super` call. + */ + function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { + // determine whether the class is known syntactically to be a derived class (e.g. a + // class that extends a value that is not syntactically known to be `null`). + var isDerivedClass = !!extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 104 /* SyntaxKind.NullKeyword */; + // When the subclass does not have a constructor, we synthesize a *default* constructor using the following + // representation: + // + // ``` + // // es2015 (source) + // class C extends Base { } + // + // // es5 (transformed) + // var C = (function (_super) { + // function C() { + // return _super.apply(this, arguments) || this; + // } + // return C; + // })(Base); + // ``` + if (!constructor) + return createDefaultConstructorBody(node, isDerivedClass); + // The prologue will contain all leading standard and custom prologue statements added by this transform + var prologue = []; + var statements = []; + resumeLexicalEnvironment(); + // In derived classes, there may be code before the necessary super() call + // We'll remove pre-super statements to be tacked on after the rest of the body + var existingPrologue = ts.takeWhile(constructor.body.statements, ts.isPrologueDirective); + var _a = findSuperCallAndStatementIndex(constructor.body.statements, existingPrologue), superCall = _a.superCall, superStatementIndex = _a.superStatementIndex; + var postSuperStatementsStart = superStatementIndex === -1 ? existingPrologue.length : superStatementIndex + 1; + // If a super call has already been synthesized, + // we're going to assume that we should just transform everything after that. + // The assumption is that no prior step in the pipeline has added any prologue directives. + var statementOffset = postSuperStatementsStart; + if (!hasSynthesizedSuper) + statementOffset = factory.copyStandardPrologue(constructor.body.statements, prologue, statementOffset, /*ensureUseStrict*/ false); + if (!hasSynthesizedSuper) + statementOffset = factory.copyCustomPrologue(constructor.body.statements, statements, statementOffset, visitor, /*filter*/ undefined); + // If there already exists a call to `super()`, visit the statement directly + var superCallExpression; + if (hasSynthesizedSuper) { + superCallExpression = createDefaultSuperCallOrThis(); + } + else if (superCall) { + superCallExpression = visitSuperCallInBody(superCall); + } + if (superCallExpression) { + hierarchyFacts |= 8192 /* HierarchyFacts.ConstructorWithCapturedSuper */; + } + // Add parameter defaults at the beginning of the output, with prologue statements + addDefaultValueAssignmentsIfNeeded(prologue, constructor); + addRestParameterIfNeeded(prologue, constructor, hasSynthesizedSuper); + // visit the remaining statements + ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset)); + factory.mergeLexicalEnvironment(prologue, endLexicalEnvironment()); + insertCaptureNewTargetIfNeeded(prologue, constructor, /*copyOnWrite*/ false); + if (isDerivedClass || superCallExpression) { + if (superCallExpression && postSuperStatementsStart === constructor.body.statements.length && !(constructor.body.transformFlags & 8192 /* TransformFlags.ContainsLexicalThis */)) { + // If the subclass constructor does *not* contain `this` and *ends* with a `super()` call, we will use the + // following representation: + // + // ``` + // // es2015 (source) + // class C extends Base { + // constructor() { + // super("foo"); + // } + // } + // + // // es5 (transformed) + // var C = (function (_super) { + // function C() { + // return _super.call(this, "foo") || this; + // } + // return C; + // })(Base); + // ``` + var superCall_1 = ts.cast(ts.cast(superCallExpression, ts.isBinaryExpression).left, ts.isCallExpression); + var returnStatement = factory.createReturnStatement(superCallExpression); + ts.setCommentRange(returnStatement, ts.getCommentRange(superCall_1)); + ts.setEmitFlags(superCall_1, 1536 /* EmitFlags.NoComments */); + statements.push(returnStatement); + } + else { + // Otherwise, we will use the following transformed representation for calls to `super()` in a constructor: + // + // ``` + // // es2015 (source) + // class C extends Base { + // constructor() { + // super("foo"); + // this.x = 1; + // } + // } + // + // // es5 (transformed) + // var C = (function (_super) { + // function C() { + // var _this = _super.call(this, "foo") || this; + // _this.x = 1; + // return _this; + // } + // return C; + // })(Base); + // ``` + // If the super() call is the first statement, we can directly create and assign its result to `_this` + if (superStatementIndex <= existingPrologue.length) { + insertCaptureThisForNode(statements, constructor, superCallExpression || createActualThis()); + } + // Since the `super()` call isn't the first statement, it's split across 1-2 statements: + // * A prologue `var _this = this;`, in case the constructor accesses this before super() + // * If it exists, a reassignment to that `_this` of the super() call + else { + insertCaptureThisForNode(prologue, constructor, createActualThis()); + if (superCallExpression) { + insertSuperThisCaptureThisForNode(statements, superCallExpression); + } + } + if (!isSufficientlyCoveredByReturnStatements(constructor.body)) { + statements.push(factory.createReturnStatement(factory.createUniqueName("_this", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */))); + } + } + } + else { + // If a class is not derived from a base class or does not have a call to `super()`, `this` is only + // captured when necessitated by an arrow function capturing the lexical `this`: + // + // ``` + // // es2015 + // class C {} + // + // // es5 + // var C = (function () { + // function C() { + // } + // return C; + // })(); + // ``` + insertCaptureThisForNodeIfNeeded(prologue, constructor); + } + var body = factory.createBlock(ts.setTextRange(factory.createNodeArray(__spreadArray(__spreadArray(__spreadArray(__spreadArray([], existingPrologue, true), prologue, true), (superStatementIndex <= existingPrologue.length ? ts.emptyArray : ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, existingPrologue.length, superStatementIndex - existingPrologue.length)), true), statements, true)), + /*location*/ constructor.body.statements), + /*multiLine*/ true); + ts.setTextRange(body, constructor.body); + return body; + } + function findSuperCallAndStatementIndex(originalBodyStatements, existingPrologue) { + for (var i = existingPrologue.length; i < originalBodyStatements.length; i += 1) { + var superCall = ts.getSuperCallFromStatement(originalBodyStatements[i]); + if (superCall) { + // With a super() call, split the statements into pre-super() and 'body' (post-super()) + return { + superCall: superCall, + superStatementIndex: i, + }; + } + } + // Since there was no super() call found, consider all statements to be in the main 'body' (post-super()) + return { + superStatementIndex: -1, + }; + } + /** + * We want to try to avoid emitting a return statement in certain cases if a user already returned something. + * It would generate obviously dead code, so we'll try to make things a little bit prettier + * by doing a minimal check on whether some common patterns always explicitly return. + */ + function isSufficientlyCoveredByReturnStatements(statement) { + // A return statement is considered covered. + if (statement.kind === 247 /* SyntaxKind.ReturnStatement */) { + return true; + } + // An if-statement with two covered branches is covered. + else if (statement.kind === 239 /* SyntaxKind.IfStatement */) { + var ifStatement = statement; + if (ifStatement.elseStatement) { + return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && + isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); + } + } + // A block is covered if it has a last statement which is covered. + else if (statement.kind === 235 /* SyntaxKind.Block */) { + var lastStatement = ts.lastOrUndefined(statement.statements); + if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { + return true; + } + } + return false; + } + function createActualThis() { + return ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */); + } + function createDefaultSuperCallOrThis() { + return factory.createLogicalOr(factory.createLogicalAnd(factory.createStrictInequality(factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), factory.createNull()), factory.createFunctionApplyCall(factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), createActualThis(), factory.createIdentifier("arguments"))), createActualThis()); + } + /** + * Visits a parameter declaration. + * + * @param node A ParameterDeclaration node. + */ + function visitParameter(node) { + if (node.dotDotDotToken) { + // rest parameters are elided + return undefined; + } + else if (ts.isBindingPattern(node.name)) { + // Binding patterns are converted into a generated name and are + // evaluated inside the function body. + return ts.setOriginalNode(ts.setTextRange(factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, factory.getGeneratedNameForNode(node), + /*questionToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined), + /*location*/ node), + /*original*/ node); + } + else if (node.initializer) { + // Initializers are elided + return ts.setOriginalNode(ts.setTextRange(factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, node.name, + /*questionToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined), + /*location*/ node), + /*original*/ node); + } + else { + return node; + } + } + function hasDefaultValueOrBindingPattern(node) { + return node.initializer !== undefined + || ts.isBindingPattern(node.name); + } + /** + * Adds statements to the body of a function-like node if it contains parameters with + * binding patterns or initializers. + * + * @param statements The statements for the new function body. + * @param node A function-like node. + */ + function addDefaultValueAssignmentsIfNeeded(statements, node) { + if (!ts.some(node.parameters, hasDefaultValueOrBindingPattern)) { + return false; + } + var added = false; + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + var name = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; + // A rest parameter cannot have a binding pattern or an initializer, + // so let's just ignore it. + if (dotDotDotToken) { + continue; + } + if (ts.isBindingPattern(name)) { + added = insertDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) || added; + } + else if (initializer) { + insertDefaultValueAssignmentForInitializer(statements, parameter, name, initializer); + added = true; + } + } + return added; + } + /** + * Adds statements to the body of a function-like node for parameters with binding patterns + * + * @param statements The statements for the new function body. + * @param parameter The parameter for the function. + * @param name The name of the parameter. + * @param initializer The initializer for the parameter. + */ + function insertDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { + // In cases where a binding pattern is simply '[]' or '{}', + // we usually don't want to emit a var declaration; however, in the presence + // of an initializer, we must emit that expression to preserve side effects. + if (name.elements.length > 0) { + ts.insertStatementAfterCustomPrologue(statements, ts.setEmitFlags(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList(ts.flattenDestructuringBinding(parameter, visitor, context, 0 /* FlattenLevel.All */, factory.getGeneratedNameForNode(parameter)))), 1048576 /* EmitFlags.CustomPrologue */)); + return true; + } + else if (initializer) { + ts.insertStatementAfterCustomPrologue(statements, ts.setEmitFlags(factory.createExpressionStatement(factory.createAssignment(factory.getGeneratedNameForNode(parameter), ts.visitNode(initializer, visitor, ts.isExpression))), 1048576 /* EmitFlags.CustomPrologue */)); + return true; + } + return false; + } + /** + * Adds statements to the body of a function-like node for parameters with initializers. + * + * @param statements The statements for the new function body. + * @param parameter The parameter for the function. + * @param name The name of the parameter. + * @param initializer The initializer for the parameter. + */ + function insertDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { + initializer = ts.visitNode(initializer, visitor, ts.isExpression); + var statement = factory.createIfStatement(factory.createTypeCheck(factory.cloneNode(name), "undefined"), ts.setEmitFlags(ts.setTextRange(factory.createBlock([ + factory.createExpressionStatement(ts.setEmitFlags(ts.setTextRange(factory.createAssignment( + // TODO(rbuckton): Does this need to be parented? + ts.setEmitFlags(ts.setParent(ts.setTextRange(factory.cloneNode(name), name), name.parent), 48 /* EmitFlags.NoSourceMap */), ts.setEmitFlags(initializer, 48 /* EmitFlags.NoSourceMap */ | ts.getEmitFlags(initializer) | 1536 /* EmitFlags.NoComments */)), parameter), 1536 /* EmitFlags.NoComments */)) + ]), parameter), 1 /* EmitFlags.SingleLine */ | 32 /* EmitFlags.NoTrailingSourceMap */ | 384 /* EmitFlags.NoTokenSourceMaps */ | 1536 /* EmitFlags.NoComments */)); + ts.startOnNewLine(statement); + ts.setTextRange(statement, parameter); + ts.setEmitFlags(statement, 384 /* EmitFlags.NoTokenSourceMaps */ | 32 /* EmitFlags.NoTrailingSourceMap */ | 1048576 /* EmitFlags.CustomPrologue */ | 1536 /* EmitFlags.NoComments */); + ts.insertStatementAfterCustomPrologue(statements, statement); + } + /** + * Gets a value indicating whether we need to add statements to handle a rest parameter. + * + * @param node A ParameterDeclaration node. + * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is + * part of a constructor declaration with a + * synthesized call to `super` + */ + function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { + return !!(node && node.dotDotDotToken && !inConstructorWithSynthesizedSuper); + } + /** + * Adds statements to the body of a function-like node if it contains a rest parameter. + * + * @param statements The statements for the new function body. + * @param node A function-like node. + * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is + * part of a constructor declaration with a + * synthesized call to `super` + */ + function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { + var prologueStatements = []; + var parameter = ts.lastOrUndefined(node.parameters); + if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { + return false; + } + // `declarationName` is the name of the local declaration for the parameter. + // TODO(rbuckton): Does this need to be parented? + var declarationName = parameter.name.kind === 79 /* SyntaxKind.Identifier */ ? ts.setParent(ts.setTextRange(factory.cloneNode(parameter.name), parameter.name), parameter.name.parent) : factory.createTempVariable(/*recordTempVariable*/ undefined); + ts.setEmitFlags(declarationName, 48 /* EmitFlags.NoSourceMap */); + // `expressionName` is the name of the parameter used in expressions. + var expressionName = parameter.name.kind === 79 /* SyntaxKind.Identifier */ ? factory.cloneNode(parameter.name) : declarationName; + var restIndex = node.parameters.length - 1; + var temp = factory.createLoopVariable(); + // var param = []; + prologueStatements.push(ts.setEmitFlags(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(declarationName, + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createArrayLiteralExpression([])) + ])), + /*location*/ parameter), 1048576 /* EmitFlags.CustomPrologue */)); + // for (var _i = restIndex; _i < arguments.length; _i++) { + // param[_i - restIndex] = arguments[_i]; + // } + var forStatement = factory.createForStatement(ts.setTextRange(factory.createVariableDeclarationList([ + factory.createVariableDeclaration(temp, /*exclamationToken*/ undefined, /*type*/ undefined, factory.createNumericLiteral(restIndex)) + ]), parameter), ts.setTextRange(factory.createLessThan(temp, factory.createPropertyAccessExpression(factory.createIdentifier("arguments"), "length")), parameter), ts.setTextRange(factory.createPostfixIncrement(temp), parameter), factory.createBlock([ + ts.startOnNewLine(ts.setTextRange(factory.createExpressionStatement(factory.createAssignment(factory.createElementAccessExpression(expressionName, restIndex === 0 + ? temp + : factory.createSubtract(temp, factory.createNumericLiteral(restIndex))), factory.createElementAccessExpression(factory.createIdentifier("arguments"), temp))), + /*location*/ parameter)) + ])); + ts.setEmitFlags(forStatement, 1048576 /* EmitFlags.CustomPrologue */); + ts.startOnNewLine(forStatement); + prologueStatements.push(forStatement); + if (parameter.name.kind !== 79 /* SyntaxKind.Identifier */) { + // do the actual destructuring of the rest parameter if necessary + prologueStatements.push(ts.setEmitFlags(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList(ts.flattenDestructuringBinding(parameter, visitor, context, 0 /* FlattenLevel.All */, expressionName))), parameter), 1048576 /* EmitFlags.CustomPrologue */)); + } + ts.insertStatementsAfterCustomPrologue(statements, prologueStatements); + return true; + } + /** + * Adds a statement to capture the `this` of a function declaration if it is needed. + * NOTE: This must be executed *after* the subtree has been visited. + * + * @param statements The statements for the new function body. + * @param node A node. + */ + function insertCaptureThisForNodeIfNeeded(statements, node) { + if (hierarchyFacts & 65536 /* HierarchyFacts.CapturedLexicalThis */ && node.kind !== 214 /* SyntaxKind.ArrowFunction */) { + insertCaptureThisForNode(statements, node, factory.createThis()); + return true; + } + return false; + } + /** + * Assigns the `this` in a constructor to the result of its `super()` call. + * + * @param statements Statements in the constructor body. + * @param superExpression Existing `super()` call for the constructor. + */ + function insertSuperThisCaptureThisForNode(statements, superExpression) { + enableSubstitutionsForCapturedThis(); + var assignSuperExpression = factory.createExpressionStatement(factory.createBinaryExpression(factory.createThis(), 63 /* SyntaxKind.EqualsToken */, superExpression)); + ts.insertStatementAfterCustomPrologue(statements, assignSuperExpression); + ts.setCommentRange(assignSuperExpression, ts.getOriginalNode(superExpression).parent); + } + function insertCaptureThisForNode(statements, node, initializer) { + enableSubstitutionsForCapturedThis(); + var captureThisStatement = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.createUniqueName("_this", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), + /*exclamationToken*/ undefined, + /*type*/ undefined, initializer) + ])); + ts.setEmitFlags(captureThisStatement, 1536 /* EmitFlags.NoComments */ | 1048576 /* EmitFlags.CustomPrologue */); + ts.setSourceMapRange(captureThisStatement, node); + ts.insertStatementAfterCustomPrologue(statements, captureThisStatement); + } + function insertCaptureNewTargetIfNeeded(statements, node, copyOnWrite) { + if (hierarchyFacts & 32768 /* HierarchyFacts.NewTarget */) { + var newTarget = void 0; + switch (node.kind) { + case 214 /* SyntaxKind.ArrowFunction */: + return statements; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + // Methods and accessors cannot be constructors, so 'new.target' will + // always return 'undefined'. + newTarget = factory.createVoidZero(); + break; + case 171 /* SyntaxKind.Constructor */: + // Class constructors can only be called with `new`, so `this.constructor` + // should be relatively safe to use. + newTarget = factory.createPropertyAccessExpression(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), "constructor"); + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + // Functions can be called or constructed, and may have a `this` due to + // being a member or when calling an imported function via `other_1.f()`. + newTarget = factory.createConditionalExpression(factory.createLogicalAnd(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), factory.createBinaryExpression(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), 102 /* SyntaxKind.InstanceOfKeyword */, factory.getLocalName(node))), + /*questionToken*/ undefined, factory.createPropertyAccessExpression(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), "constructor"), + /*colonToken*/ undefined, factory.createVoidZero()); + break; + default: + return ts.Debug.failBadSyntaxKind(node); + } + var captureNewTargetStatement = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.createUniqueName("_newTarget", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), + /*exclamationToken*/ undefined, + /*type*/ undefined, newTarget) + ])); + ts.setEmitFlags(captureNewTargetStatement, 1536 /* EmitFlags.NoComments */ | 1048576 /* EmitFlags.CustomPrologue */); + if (copyOnWrite) { + statements = statements.slice(); + } + ts.insertStatementAfterCustomPrologue(statements, captureNewTargetStatement); + } + return statements; + } + /** + * Adds statements to the class body function for a class to define the members of the + * class. + * + * @param statements The statements for the class body function. + * @param node The ClassExpression or ClassDeclaration node. + */ + function addClassMembers(statements, node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 234 /* SyntaxKind.SemicolonClassElement */: + statements.push(transformSemicolonClassElementToStatement(member)); + break; + case 169 /* SyntaxKind.MethodDeclaration */: + statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member, node)); + break; + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors, node)); + } + break; + case 171 /* SyntaxKind.Constructor */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + // Constructors are handled in visitClassExpression/visitClassDeclaration + break; + default: + ts.Debug.failBadSyntaxKind(member, currentSourceFile && currentSourceFile.fileName); + break; + } + } + } + /** + * Transforms a SemicolonClassElement into a statement for a class body function. + * + * @param member The SemicolonClassElement node. + */ + function transformSemicolonClassElementToStatement(member) { + return ts.setTextRange(factory.createEmptyStatement(), member); + } + /** + * Transforms a MethodDeclaration into a statement for a class body function. + * + * @param receiver The receiver for the member. + * @param member The MethodDeclaration node. + */ + function transformClassMethodDeclarationToStatement(receiver, member, container) { + var commentRange = ts.getCommentRange(member); + var sourceMapRange = ts.getSourceMapRange(member); + var memberFunction = transformFunctionLikeToExpression(member, /*location*/ member, /*name*/ undefined, container); + var propertyName = ts.visitNode(member.name, visitor, ts.isPropertyName); + var e; + if (!ts.isPrivateIdentifier(propertyName) && ts.getUseDefineForClassFields(context.getCompilerOptions())) { + var name = ts.isComputedPropertyName(propertyName) ? propertyName.expression + : ts.isIdentifier(propertyName) ? factory.createStringLiteral(ts.unescapeLeadingUnderscores(propertyName.escapedText)) + : propertyName; + e = factory.createObjectDefinePropertyCall(receiver, name, factory.createPropertyDescriptor({ value: memberFunction, enumerable: false, writable: true, configurable: true })); + } + else { + var memberName = ts.createMemberAccessForPropertyName(factory, receiver, propertyName, /*location*/ member.name); + e = factory.createAssignment(memberName, memberFunction); + } + ts.setEmitFlags(memberFunction, 1536 /* EmitFlags.NoComments */); + ts.setSourceMapRange(memberFunction, sourceMapRange); + var statement = ts.setTextRange(factory.createExpressionStatement(e), /*location*/ member); + ts.setOriginalNode(statement, member); + ts.setCommentRange(statement, commentRange); + // The location for the statement is used to emit comments only. + // No source map should be emitted for this statement to align with the + // old emitter. + ts.setEmitFlags(statement, 48 /* EmitFlags.NoSourceMap */); + return statement; + } + /** + * Transforms a set of related of get/set accessors into a statement for a class body function. + * + * @param receiver The receiver for the member. + * @param accessors The set of related get/set accessors. + */ + function transformAccessorsToStatement(receiver, accessors, container) { + var statement = factory.createExpressionStatement(transformAccessorsToExpression(receiver, accessors, container, /*startsOnNewLine*/ false)); + // The location for the statement is used to emit source maps only. + // No comments should be emitted for this statement to align with the + // old emitter. + ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */); + ts.setSourceMapRange(statement, ts.getSourceMapRange(accessors.firstAccessor)); + return statement; + } + /** + * Transforms a set of related get/set accessors into an expression for either a class + * body function or an ObjectLiteralExpression with computed properties. + * + * @param receiver The receiver for the member. + */ + function transformAccessorsToExpression(receiver, _a, container, startsOnNewLine) { + var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + // To align with source maps in the old emitter, the receiver and property name + // arguments are both mapped contiguously to the accessor name. + // TODO(rbuckton): Does this need to be parented? + var target = ts.setParent(ts.setTextRange(factory.cloneNode(receiver), receiver), receiver.parent); + ts.setEmitFlags(target, 1536 /* EmitFlags.NoComments */ | 32 /* EmitFlags.NoTrailingSourceMap */); + ts.setSourceMapRange(target, firstAccessor.name); + var visitedAccessorName = ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName); + if (ts.isPrivateIdentifier(visitedAccessorName)) { + return ts.Debug.failBadSyntaxKind(visitedAccessorName, "Encountered unhandled private identifier while transforming ES2015."); + } + var propertyName = ts.createExpressionForPropertyName(factory, visitedAccessorName); + ts.setEmitFlags(propertyName, 1536 /* EmitFlags.NoComments */ | 16 /* EmitFlags.NoLeadingSourceMap */); + ts.setSourceMapRange(propertyName, firstAccessor.name); + var properties = []; + if (getAccessor) { + var getterFunction = transformFunctionLikeToExpression(getAccessor, /*location*/ undefined, /*name*/ undefined, container); + ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); + ts.setEmitFlags(getterFunction, 512 /* EmitFlags.NoLeadingComments */); + var getter = factory.createPropertyAssignment("get", getterFunction); + ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); + properties.push(getter); + } + if (setAccessor) { + var setterFunction = transformFunctionLikeToExpression(setAccessor, /*location*/ undefined, /*name*/ undefined, container); + ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); + ts.setEmitFlags(setterFunction, 512 /* EmitFlags.NoLeadingComments */); + var setter = factory.createPropertyAssignment("set", setterFunction); + ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); + properties.push(setter); + } + properties.push(factory.createPropertyAssignment("enumerable", getAccessor || setAccessor ? factory.createFalse() : factory.createTrue()), factory.createPropertyAssignment("configurable", factory.createTrue())); + var call = factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + target, + propertyName, + factory.createObjectLiteralExpression(properties, /*multiLine*/ true) + ]); + if (startsOnNewLine) { + ts.startOnNewLine(call); + } + return call; + } + /** + * Visits an ArrowFunction and transforms it into a FunctionExpression. + * + * @param node An ArrowFunction node. + */ + function visitArrowFunction(node) { + if (node.transformFlags & 8192 /* TransformFlags.ContainsLexicalThis */ && !(hierarchyFacts & 16384 /* HierarchyFacts.StaticInitializer */)) { + hierarchyFacts |= 65536 /* HierarchyFacts.CapturedLexicalThis */; + } + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var ancestorFacts = enterSubtree(15232 /* HierarchyFacts.ArrowFunctionExcludes */, 66 /* HierarchyFacts.ArrowFunctionIncludes */); + var func = factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, transformFunctionBody(node)); + ts.setTextRange(func, node); + ts.setOriginalNode(func, node); + ts.setEmitFlags(func, 8 /* EmitFlags.CapturesThis */); + // If an arrow function contains + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.ArrowFunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + convertedLoopState = savedConvertedLoopState; + return func; + } + /** + * Visits a FunctionExpression node. + * + * @param node a FunctionExpression node. + */ + function visitFunctionExpression(node) { + var ancestorFacts = ts.getEmitFlags(node) & 262144 /* EmitFlags.AsyncFunctionBody */ + ? enterSubtree(32662 /* HierarchyFacts.AsyncFunctionBodyExcludes */, 69 /* HierarchyFacts.AsyncFunctionBodyIncludes */) + : enterSubtree(32670 /* HierarchyFacts.FunctionExcludes */, 65 /* HierarchyFacts.FunctionIncludes */); + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var parameters = ts.visitParameterList(node.parameters, visitor, context); + var body = transformFunctionBody(node); + var name = hierarchyFacts & 32768 /* HierarchyFacts.NewTarget */ + ? factory.getLocalName(node) + : node.name; + exitSubtree(ancestorFacts, 98304 /* HierarchyFacts.FunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + convertedLoopState = savedConvertedLoopState; + return factory.updateFunctionExpression(node, + /*modifiers*/ undefined, node.asteriskToken, name, + /*typeParameters*/ undefined, parameters, + /*type*/ undefined, body); + } + /** + * Visits a FunctionDeclaration node. + * + * @param node a FunctionDeclaration node. + */ + function visitFunctionDeclaration(node) { + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var ancestorFacts = enterSubtree(32670 /* HierarchyFacts.FunctionExcludes */, 65 /* HierarchyFacts.FunctionIncludes */); + var parameters = ts.visitParameterList(node.parameters, visitor, context); + var body = transformFunctionBody(node); + var name = hierarchyFacts & 32768 /* HierarchyFacts.NewTarget */ + ? factory.getLocalName(node) + : node.name; + exitSubtree(ancestorFacts, 98304 /* HierarchyFacts.FunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + convertedLoopState = savedConvertedLoopState; + return factory.updateFunctionDeclaration(node, + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, name, + /*typeParameters*/ undefined, parameters, + /*type*/ undefined, body); + } + /** + * Transforms a function-like node into a FunctionExpression. + * + * @param node The function-like node to transform. + * @param location The source-map location for the new FunctionExpression. + * @param name The name of the new FunctionExpression. + */ + function transformFunctionLikeToExpression(node, location, name, container) { + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var ancestorFacts = container && ts.isClassLike(container) && !ts.isStatic(node) + ? enterSubtree(32670 /* HierarchyFacts.FunctionExcludes */, 65 /* HierarchyFacts.FunctionIncludes */ | 8 /* HierarchyFacts.NonStaticClassElement */) + : enterSubtree(32670 /* HierarchyFacts.FunctionExcludes */, 65 /* HierarchyFacts.FunctionIncludes */); + var parameters = ts.visitParameterList(node.parameters, visitor, context); + var body = transformFunctionBody(node); + if (hierarchyFacts & 32768 /* HierarchyFacts.NewTarget */ && !name && (node.kind === 256 /* SyntaxKind.FunctionDeclaration */ || node.kind === 213 /* SyntaxKind.FunctionExpression */)) { + name = factory.getGeneratedNameForNode(node); + } + exitSubtree(ancestorFacts, 98304 /* HierarchyFacts.FunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + convertedLoopState = savedConvertedLoopState; + return ts.setOriginalNode(ts.setTextRange(factory.createFunctionExpression( + /*modifiers*/ undefined, node.asteriskToken, name, + /*typeParameters*/ undefined, parameters, + /*type*/ undefined, body), location), + /*original*/ node); + } + /** + * Transforms the body of a function-like node. + * + * @param node A function-like node. + */ + function transformFunctionBody(node) { + var multiLine = false; // indicates whether the block *must* be emitted as multiple lines + var singleLine = false; // indicates whether the block *may* be emitted as a single line + var statementsLocation; + var closeBraceLocation; + var prologue = []; + var statements = []; + var body = node.body; + var statementOffset; + resumeLexicalEnvironment(); + if (ts.isBlock(body)) { + // ensureUseStrict is false because no new prologue-directive should be added. + // addStandardPrologue will put already-existing directives at the beginning of the target statement-array + statementOffset = factory.copyStandardPrologue(body.statements, prologue, 0, /*ensureUseStrict*/ false); + statementOffset = factory.copyCustomPrologue(body.statements, statements, statementOffset, visitor, ts.isHoistedFunction); + statementOffset = factory.copyCustomPrologue(body.statements, statements, statementOffset, visitor, ts.isHoistedVariableStatement); + } + multiLine = addDefaultValueAssignmentsIfNeeded(statements, node) || multiLine; + multiLine = addRestParameterIfNeeded(statements, node, /*inConstructorWithSynthesizedSuper*/ false) || multiLine; + if (ts.isBlock(body)) { + // addCustomPrologue puts already-existing directives at the beginning of the target statement-array + statementOffset = factory.copyCustomPrologue(body.statements, statements, statementOffset, visitor); + statementsLocation = body.statements; + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); + // If the original body was a multi-line block, this must be a multi-line block. + if (!multiLine && body.multiLine) { + multiLine = true; + } + } + else { + ts.Debug.assert(node.kind === 214 /* SyntaxKind.ArrowFunction */); + // To align with the old emitter, we use a synthetic end position on the location + // for the statement list we synthesize when we down-level an arrow function with + // an expression function body. This prevents both comments and source maps from + // being emitted for the end position only. + statementsLocation = ts.moveRangeEnd(body, -1); + var equalsGreaterThanToken = node.equalsGreaterThanToken; + if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { + if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { + singleLine = true; + } + else { + multiLine = true; + } + } + var expression = ts.visitNode(body, visitor, ts.isExpression); + var returnStatement = factory.createReturnStatement(expression); + ts.setTextRange(returnStatement, body); + ts.moveSyntheticComments(returnStatement, body); + ts.setEmitFlags(returnStatement, 384 /* EmitFlags.NoTokenSourceMaps */ | 32 /* EmitFlags.NoTrailingSourceMap */ | 1024 /* EmitFlags.NoTrailingComments */); + statements.push(returnStatement); + // To align with the source map emit for the old emitter, we set a custom + // source map location for the close brace. + closeBraceLocation = body; + } + factory.mergeLexicalEnvironment(prologue, endLexicalEnvironment()); + insertCaptureNewTargetIfNeeded(prologue, node, /*copyOnWrite*/ false); + insertCaptureThisForNodeIfNeeded(prologue, node); + // If we added any final generated statements, this must be a multi-line block + if (ts.some(prologue)) { + multiLine = true; + } + statements.unshift.apply(statements, prologue); + if (ts.isBlock(body) && ts.arrayIsEqualTo(statements, body.statements)) { + // no changes were made, preserve the tree + return body; + } + var block = factory.createBlock(ts.setTextRange(factory.createNodeArray(statements), statementsLocation), multiLine); + ts.setTextRange(block, node.body); + if (!multiLine && singleLine) { + ts.setEmitFlags(block, 1 /* EmitFlags.SingleLine */); + } + if (closeBraceLocation) { + ts.setTokenSourceMapRange(block, 19 /* SyntaxKind.CloseBraceToken */, closeBraceLocation); + } + ts.setOriginalNode(block, node.body); + return block; + } + function visitBlock(node, isFunctionBody) { + if (isFunctionBody) { + // A function body is not a block scope. + return ts.visitEachChild(node, visitor, context); + } + var ancestorFacts = hierarchyFacts & 256 /* HierarchyFacts.IterationStatement */ + ? enterSubtree(7104 /* HierarchyFacts.IterationStatementBlockExcludes */, 512 /* HierarchyFacts.IterationStatementBlockIncludes */) + : enterSubtree(6976 /* HierarchyFacts.BlockExcludes */, 128 /* HierarchyFacts.BlockIncludes */); + var updated = ts.visitEachChild(node, visitor, context); + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return updated; + } + /** + * Visits an ExpressionStatement that contains a destructuring assignment. + * + * @param node An ExpressionStatement node. + */ + function visitExpressionStatement(node) { + return ts.visitEachChild(node, visitorWithUnusedExpressionResult, context); + } + /** + * Visits a ParenthesizedExpression that may contain a destructuring assignment. + * + * @param node A ParenthesizedExpression node. + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitParenthesizedExpression(node, expressionResultIsUnused) { + return ts.visitEachChild(node, expressionResultIsUnused ? visitorWithUnusedExpressionResult : visitor, context); + } + /** + * Visits a BinaryExpression that contains a destructuring assignment. + * + * @param node A BinaryExpression node. + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitBinaryExpression(node, expressionResultIsUnused) { + // If we are here it is because this is a destructuring assignment. + if (ts.isDestructuringAssignment(node)) { + return ts.flattenDestructuringAssignment(node, visitor, context, 0 /* FlattenLevel.All */, !expressionResultIsUnused); + } + if (node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + return factory.updateBinaryExpression(node, ts.visitNode(node.left, visitorWithUnusedExpressionResult, ts.isExpression), node.operatorToken, ts.visitNode(node.right, expressionResultIsUnused ? visitorWithUnusedExpressionResult : visitor, ts.isExpression)); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * @param expressionResultIsUnused Indicates the result of an expression is unused by the parent node (i.e., the left side of a comma or the + * expression of an `ExpressionStatement`). + */ + function visitCommaListExpression(node, expressionResultIsUnused) { + if (expressionResultIsUnused) { + return ts.visitEachChild(node, visitorWithUnusedExpressionResult, context); + } + var result; + for (var i = 0; i < node.elements.length; i++) { + var element = node.elements[i]; + var visited = ts.visitNode(element, i < node.elements.length - 1 ? visitorWithUnusedExpressionResult : visitor, ts.isExpression); + if (result || visited !== element) { + result || (result = node.elements.slice(0, i)); + result.push(visited); + } + } + var elements = result ? ts.setTextRange(factory.createNodeArray(result), node.elements) : node.elements; + return factory.updateCommaListExpression(node, elements); + } + function isVariableStatementOfTypeScriptClassWrapper(node) { + return node.declarationList.declarations.length === 1 + && !!node.declarationList.declarations[0].initializer + && !!(ts.getEmitFlags(node.declarationList.declarations[0].initializer) & 33554432 /* EmitFlags.TypeScriptClassWrapper */); + } + function visitVariableStatement(node) { + var ancestorFacts = enterSubtree(0 /* HierarchyFacts.None */, ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */) ? 32 /* HierarchyFacts.ExportedVariableStatement */ : 0 /* HierarchyFacts.None */); + var updated; + if (convertedLoopState && (node.declarationList.flags & 3 /* NodeFlags.BlockScoped */) === 0 && !isVariableStatementOfTypeScriptClassWrapper(node)) { + // we are inside a converted loop - hoist variable declarations + var assignments = void 0; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); + if (decl.initializer) { + var assignment = void 0; + if (ts.isBindingPattern(decl.name)) { + assignment = ts.flattenDestructuringAssignment(decl, visitor, context, 0 /* FlattenLevel.All */); + } + else { + assignment = factory.createBinaryExpression(decl.name, 63 /* SyntaxKind.EqualsToken */, ts.visitNode(decl.initializer, visitor, ts.isExpression)); + ts.setTextRange(assignment, decl); + } + assignments = ts.append(assignments, assignment); + } + } + if (assignments) { + updated = ts.setTextRange(factory.createExpressionStatement(factory.inlineExpressions(assignments)), node); + } + else { + // none of declarations has initializer - the entire variable statement can be deleted + updated = undefined; + } + } + else { + updated = ts.visitEachChild(node, visitor, context); + } + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return updated; + } + /** + * Visits a VariableDeclarationList that is block scoped (e.g. `let` or `const`). + * + * @param node A VariableDeclarationList node. + */ + function visitVariableDeclarationList(node) { + if (node.flags & 3 /* NodeFlags.BlockScoped */ || node.transformFlags & 262144 /* TransformFlags.ContainsBindingPattern */) { + if (node.flags & 3 /* NodeFlags.BlockScoped */) { + enableSubstitutionsForBlockScopedBindings(); + } + var declarations = ts.flatMap(node.declarations, node.flags & 1 /* NodeFlags.Let */ + ? visitVariableDeclarationInLetDeclarationList + : visitVariableDeclaration); + var declarationList = factory.createVariableDeclarationList(declarations); + ts.setOriginalNode(declarationList, node); + ts.setTextRange(declarationList, node); + ts.setCommentRange(declarationList, node); + // If the first or last declaration is a binding pattern, we need to modify + // the source map range for the declaration list. + if (node.transformFlags & 262144 /* TransformFlags.ContainsBindingPattern */ + && (ts.isBindingPattern(node.declarations[0].name) || ts.isBindingPattern(ts.last(node.declarations).name))) { + ts.setSourceMapRange(declarationList, getRangeUnion(declarations)); + } + return declarationList; + } + return ts.visitEachChild(node, visitor, context); + } + function getRangeUnion(declarations) { + // declarations may not be sorted by position. + // pos should be the minimum* position over all nodes (that's not -1), end should be the maximum end over all nodes. + var pos = -1, end = -1; + for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { + var node = declarations_10[_i]; + pos = pos === -1 ? node.pos : node.pos === -1 ? pos : Math.min(pos, node.pos); + end = Math.max(end, node.end); + } + return ts.createRange(pos, end); + } + /** + * Gets a value indicating whether we should emit an explicit initializer for a variable + * declaration in a `let` declaration list. + * + * @param node A VariableDeclaration node. + */ + function shouldEmitExplicitInitializerForLetDeclaration(node) { + // Nested let bindings might need to be initialized explicitly to preserve + // ES6 semantic: + // + // { let x = 1; } + // { let x; } // x here should be undefined. not 1 + // + // Top level bindings never collide with anything and thus don't require + // explicit initialization. As for nested let bindings there are two cases: + // + // - Nested let bindings that were not renamed definitely should be + // initialized explicitly: + // + // { let x = 1; } + // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // + // Without explicit initialization code in /*1*/ can be executed even if + // some-condition is evaluated to false. + // + // - Renaming introduces fresh name that should not collide with any + // existing names, however renamed bindings sometimes also should be + // explicitly initialized. One particular case: non-captured binding + // declared inside loop body (but not in loop initializer): + // + // let x; + // for (;;) { + // let x; + // } + // + // In downlevel codegen inner 'x' will be renamed so it won't collide + // with outer 'x' however it will should be reset on every iteration as + // if it was declared anew. + // + // * Why non-captured binding? + // - Because if loop contains block scoped binding captured in some + // function then loop body will be rewritten to have a fresh scope + // on every iteration so everything will just work. + // + // * Why loop initializer is excluded? + // - Since we've introduced a fresh name it already will be undefined. + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 262144 /* NodeCheckFlags.CapturedBlockScopedBinding */; + var isDeclaredInLoop = flags & 524288 /* NodeCheckFlags.BlockScopedBindingInLoop */; + var emittedAsTopLevel = (hierarchyFacts & 64 /* HierarchyFacts.TopLevel */) !== 0 + || (isCapturedInFunction + && isDeclaredInLoop + && (hierarchyFacts & 512 /* HierarchyFacts.IterationStatementBlock */) !== 0); + var emitExplicitInitializer = !emittedAsTopLevel + && (hierarchyFacts & 4096 /* HierarchyFacts.ForInOrForOfStatement */) === 0 + && (!resolver.isDeclarationWithCollidingName(node) + || (isDeclaredInLoop + && !isCapturedInFunction + && (hierarchyFacts & (2048 /* HierarchyFacts.ForStatement */ | 4096 /* HierarchyFacts.ForInOrForOfStatement */)) === 0)); + return emitExplicitInitializer; + } + /** + * Visits a VariableDeclaration in a `let` declaration list. + * + * @param node A VariableDeclaration node. + */ + function visitVariableDeclarationInLetDeclarationList(node) { + // For binding pattern names that lack initializers there is no point to emit + // explicit initializer since downlevel codegen for destructuring will fail + // in the absence of initializer so all binding elements will say uninitialized + var name = node.name; + if (ts.isBindingPattern(name)) { + return visitVariableDeclaration(node); + } + if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { + return factory.updateVariableDeclaration(node, node.name, /*exclamationToken*/ undefined, /*type*/ undefined, factory.createVoidZero()); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a VariableDeclaration node with a binding pattern. + * + * @param node A VariableDeclaration node. + */ + function visitVariableDeclaration(node) { + var ancestorFacts = enterSubtree(32 /* HierarchyFacts.ExportedVariableStatement */, 0 /* HierarchyFacts.None */); + var updated; + if (ts.isBindingPattern(node.name)) { + updated = ts.flattenDestructuringBinding(node, visitor, context, 0 /* FlattenLevel.All */, + /*value*/ undefined, (ancestorFacts & 32 /* HierarchyFacts.ExportedVariableStatement */) !== 0); + } + else { + updated = ts.visitEachChild(node, visitor, context); + } + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return updated; + } + function recordLabel(node) { + convertedLoopState.labels.set(ts.idText(node.label), true); + } + function resetLabel(node) { + convertedLoopState.labels.set(ts.idText(node.label), false); + } + function visitLabeledStatement(node) { + if (convertedLoopState && !convertedLoopState.labels) { + convertedLoopState.labels = new ts.Map(); + } + var statement = ts.unwrapInnermostStatementOfLabel(node, convertedLoopState && recordLabel); + return ts.isIterationStatement(statement, /*lookInLabeledStatements*/ false) + ? visitIterationStatement(statement, /*outermostLabeledStatement*/ node) + : factory.restoreEnclosingLabel(ts.visitNode(statement, visitor, ts.isStatement, factory.liftToBlock), node, convertedLoopState && resetLabel); + } + function visitIterationStatement(node, outermostLabeledStatement) { + switch (node.kind) { + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + return visitDoOrWhileStatement(node, outermostLabeledStatement); + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node, outermostLabeledStatement); + case 243 /* SyntaxKind.ForInStatement */: + return visitForInStatement(node, outermostLabeledStatement); + case 244 /* SyntaxKind.ForOfStatement */: + return visitForOfStatement(node, outermostLabeledStatement); + } + } + function visitIterationStatementWithFacts(excludeFacts, includeFacts, node, outermostLabeledStatement, convert) { + var ancestorFacts = enterSubtree(excludeFacts, includeFacts); + var updated = convertIterationStatementBodyIfNecessary(node, outermostLabeledStatement, ancestorFacts, convert); + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return updated; + } + function visitDoOrWhileStatement(node, outermostLabeledStatement) { + return visitIterationStatementWithFacts(0 /* HierarchyFacts.DoOrWhileStatementExcludes */, 1280 /* HierarchyFacts.DoOrWhileStatementIncludes */, node, outermostLabeledStatement); + } + function visitForStatement(node, outermostLabeledStatement) { + return visitIterationStatementWithFacts(5056 /* HierarchyFacts.ForStatementExcludes */, 3328 /* HierarchyFacts.ForStatementIncludes */, node, outermostLabeledStatement); + } + function visitEachChildOfForStatement(node) { + return factory.updateForStatement(node, ts.visitNode(node.initializer, visitorWithUnusedExpressionResult, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitorWithUnusedExpressionResult, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, factory.liftToBlock)); + } + function visitForInStatement(node, outermostLabeledStatement) { + return visitIterationStatementWithFacts(3008 /* HierarchyFacts.ForInOrForOfStatementExcludes */, 5376 /* HierarchyFacts.ForInOrForOfStatementIncludes */, node, outermostLabeledStatement); + } + function visitForOfStatement(node, outermostLabeledStatement) { + return visitIterationStatementWithFacts(3008 /* HierarchyFacts.ForInOrForOfStatementExcludes */, 5376 /* HierarchyFacts.ForInOrForOfStatementIncludes */, node, outermostLabeledStatement, compilerOptions.downlevelIteration ? convertForOfStatementForIterable : convertForOfStatementForArray); + } + function convertForOfStatementHead(node, boundValue, convertedLoopBodyStatements) { + var statements = []; + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + if (node.initializer.flags & 3 /* NodeFlags.BlockScoped */) { + enableSubstitutionsForBlockScopedBindings(); + } + var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); + if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { + // This works whether the declaration is a var, let, or const. + // It will use rhsIterationValue _a[_i] as the initializer. + var declarations = ts.flattenDestructuringBinding(firstOriginalDeclaration, visitor, context, 0 /* FlattenLevel.All */, boundValue); + var declarationList = ts.setTextRange(factory.createVariableDeclarationList(declarations), node.initializer); + ts.setOriginalNode(declarationList, node.initializer); + // Adjust the source map range for the first declaration to align with the old + // emitter. + ts.setSourceMapRange(declarationList, ts.createRange(declarations[0].pos, ts.last(declarations).end)); + statements.push(factory.createVariableStatement( + /*modifiers*/ undefined, declarationList)); + } + else { + // The following call does not include the initializer, so we have + // to emit it separately. + statements.push(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, ts.setOriginalNode(ts.setTextRange(factory.createVariableDeclarationList([ + factory.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : factory.createTempVariable(/*recordTempVariable*/ undefined), + /*exclamationToken*/ undefined, + /*type*/ undefined, boundValue) + ]), ts.moveRangePos(initializer, -1)), initializer)), ts.moveRangeEnd(initializer, -1))); + } + } + else { + // Initializer is an expression. Emit the expression in the body, so that it's + // evaluated on every iteration. + var assignment = factory.createAssignment(initializer, boundValue); + if (ts.isDestructuringAssignment(assignment)) { + statements.push(factory.createExpressionStatement(visitBinaryExpression(assignment, /*expressionResultIsUnused*/ true))); + } + else { + ts.setTextRangeEnd(assignment, initializer.end); + statements.push(ts.setTextRange(factory.createExpressionStatement(ts.visitNode(assignment, visitor, ts.isExpression)), ts.moveRangeEnd(initializer, -1))); + } + } + if (convertedLoopBodyStatements) { + return createSyntheticBlockForConvertedStatements(ts.addRange(statements, convertedLoopBodyStatements)); + } + else { + var statement = ts.visitNode(node.statement, visitor, ts.isStatement, factory.liftToBlock); + if (ts.isBlock(statement)) { + return factory.updateBlock(statement, ts.setTextRange(factory.createNodeArray(ts.concatenate(statements, statement.statements)), statement.statements)); + } + else { + statements.push(statement); + return createSyntheticBlockForConvertedStatements(statements); + } + } + } + function createSyntheticBlockForConvertedStatements(statements) { + return ts.setEmitFlags(factory.createBlock(factory.createNodeArray(statements), + /*multiLine*/ true), 48 /* EmitFlags.NoSourceMap */ | 384 /* EmitFlags.NoTokenSourceMaps */); + } + function convertForOfStatementForArray(node, outermostLabeledStatement, convertedLoopBodyStatements) { + // The following ES6 code: + // + // for (let v of expr) { } + // + // should be emitted as + // + // for (var _i = 0, _a = expr; _i < _a.length; _i++) { + // var v = _a[_i]; + // } + // + // where _a and _i are temps emitted to capture the RHS and the counter, + // respectively. + // When the left hand side is an expression instead of a let declaration, + // the "let v" is not emitted. + // When the left hand side is a let/const, the v is renamed if there is + // another v in scope. + // Note that all assignments to the LHS are emitted in the body, including + // all destructuring. + // Note also that because an extra statement is needed to assign to the LHS, + // for-of bodies are always emitted as blocks. + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + // In the case where the user wrote an identifier as the RHS, like this: + // + // for (let v of arr) { } + // + // we don't want to emit a temporary variable for the RHS, just use it directly. + var counter = factory.createLoopVariable(); + var rhsReference = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(expression) : factory.createTempVariable(/*recordTempVariable*/ undefined); + // The old emitter does not emit source maps for the expression + ts.setEmitFlags(expression, 48 /* EmitFlags.NoSourceMap */ | ts.getEmitFlags(expression)); + var forStatement = ts.setTextRange(factory.createForStatement( + /*initializer*/ ts.setEmitFlags(ts.setTextRange(factory.createVariableDeclarationList([ + ts.setTextRange(factory.createVariableDeclaration(counter, /*exclamationToken*/ undefined, /*type*/ undefined, factory.createNumericLiteral(0)), ts.moveRangePos(node.expression, -1)), + ts.setTextRange(factory.createVariableDeclaration(rhsReference, /*exclamationToken*/ undefined, /*type*/ undefined, expression), node.expression) + ]), node.expression), 2097152 /* EmitFlags.NoHoisting */), + /*condition*/ ts.setTextRange(factory.createLessThan(counter, factory.createPropertyAccessExpression(rhsReference, "length")), node.expression), + /*incrementor*/ ts.setTextRange(factory.createPostfixIncrement(counter), node.expression), + /*statement*/ convertForOfStatementHead(node, factory.createElementAccessExpression(rhsReference, counter), convertedLoopBodyStatements)), + /*location*/ node); + // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter. + ts.setEmitFlags(forStatement, 256 /* EmitFlags.NoTokenTrailingSourceMaps */); + ts.setTextRange(forStatement, node); + return factory.restoreEnclosingLabel(forStatement, outermostLabeledStatement, convertedLoopState && resetLabel); + } + function convertForOfStatementForIterable(node, outermostLabeledStatement, convertedLoopBodyStatements, ancestorFacts) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var iterator = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(expression) : factory.createTempVariable(/*recordTempVariable*/ undefined); + var result = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(iterator) : factory.createTempVariable(/*recordTempVariable*/ undefined); + var errorRecord = factory.createUniqueName("e"); + var catchVariable = factory.getGeneratedNameForNode(errorRecord); + var returnMethod = factory.createTempVariable(/*recordTempVariable*/ undefined); + var values = ts.setTextRange(emitHelpers().createValuesHelper(expression), node.expression); + var next = factory.createCallExpression(factory.createPropertyAccessExpression(iterator, "next"), /*typeArguments*/ undefined, []); + hoistVariableDeclaration(errorRecord); + hoistVariableDeclaration(returnMethod); + // if we are enclosed in an outer loop ensure we reset 'errorRecord' per each iteration + var initializer = ancestorFacts & 1024 /* HierarchyFacts.IterationContainer */ + ? factory.inlineExpressions([factory.createAssignment(errorRecord, factory.createVoidZero()), values]) + : values; + var forStatement = ts.setEmitFlags(ts.setTextRange(factory.createForStatement( + /*initializer*/ ts.setEmitFlags(ts.setTextRange(factory.createVariableDeclarationList([ + ts.setTextRange(factory.createVariableDeclaration(iterator, /*exclamationToken*/ undefined, /*type*/ undefined, initializer), node.expression), + factory.createVariableDeclaration(result, /*exclamationToken*/ undefined, /*type*/ undefined, next) + ]), node.expression), 2097152 /* EmitFlags.NoHoisting */), + /*condition*/ factory.createLogicalNot(factory.createPropertyAccessExpression(result, "done")), + /*incrementor*/ factory.createAssignment(result, next), + /*statement*/ convertForOfStatementHead(node, factory.createPropertyAccessExpression(result, "value"), convertedLoopBodyStatements)), + /*location*/ node), 256 /* EmitFlags.NoTokenTrailingSourceMaps */); + return factory.createTryStatement(factory.createBlock([ + factory.restoreEnclosingLabel(forStatement, outermostLabeledStatement, convertedLoopState && resetLabel) + ]), factory.createCatchClause(factory.createVariableDeclaration(catchVariable), ts.setEmitFlags(factory.createBlock([ + factory.createExpressionStatement(factory.createAssignment(errorRecord, factory.createObjectLiteralExpression([ + factory.createPropertyAssignment("error", catchVariable) + ]))) + ]), 1 /* EmitFlags.SingleLine */)), factory.createBlock([ + factory.createTryStatement( + /*tryBlock*/ factory.createBlock([ + ts.setEmitFlags(factory.createIfStatement(factory.createLogicalAnd(factory.createLogicalAnd(result, factory.createLogicalNot(factory.createPropertyAccessExpression(result, "done"))), factory.createAssignment(returnMethod, factory.createPropertyAccessExpression(iterator, "return"))), factory.createExpressionStatement(factory.createFunctionCallCall(returnMethod, iterator, []))), 1 /* EmitFlags.SingleLine */), + ]), + /*catchClause*/ undefined, + /*finallyBlock*/ ts.setEmitFlags(factory.createBlock([ + ts.setEmitFlags(factory.createIfStatement(errorRecord, factory.createThrowStatement(factory.createPropertyAccessExpression(errorRecord, "error"))), 1 /* EmitFlags.SingleLine */) + ]), 1 /* EmitFlags.SingleLine */)) + ])); + } + /** + * Visits an ObjectLiteralExpression with computed property names. + * + * @param node An ObjectLiteralExpression node. + */ + function visitObjectLiteralExpression(node) { + var properties = node.properties; + // Find the first computed property. + // Everything until that point can be emitted as part of the initial object literal. + var numInitialProperties = -1, hasComputed = false; + for (var i = 0; i < properties.length; i++) { + var property = properties[i]; + if ((property.transformFlags & 524288 /* TransformFlags.ContainsYield */ && + hierarchyFacts & 4 /* HierarchyFacts.AsyncFunctionBody */) + || (hasComputed = ts.Debug.checkDefined(property.name).kind === 162 /* SyntaxKind.ComputedPropertyName */)) { + numInitialProperties = i; + break; + } + } + if (numInitialProperties < 0) { + return ts.visitEachChild(node, visitor, context); + } + // For computed properties, we need to create a unique handle to the object + // literal so we can modify it without risking internal assignments tainting the object. + var temp = factory.createTempVariable(hoistVariableDeclaration); + // Write out the first non-computed properties, then emit the rest through indexing on the temp variable. + var expressions = []; + var assignment = factory.createAssignment(temp, ts.setEmitFlags(factory.createObjectLiteralExpression(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), node.multiLine), hasComputed ? 65536 /* EmitFlags.Indented */ : 0)); + if (node.multiLine) { + ts.startOnNewLine(assignment); + } + expressions.push(assignment); + addObjectLiteralMembers(expressions, node, temp, numInitialProperties); + // We need to clone the temporary identifier so that we can write it on a + // new line + expressions.push(node.multiLine ? ts.startOnNewLine(ts.setParent(ts.setTextRange(factory.cloneNode(temp), temp), temp.parent)) : temp); + return factory.inlineExpressions(expressions); + } + function shouldConvertPartOfIterationStatement(node) { + return (resolver.getNodeCheckFlags(node) & 131072 /* NodeCheckFlags.ContainsCapturedBlockScopeBinding */) !== 0; + } + function shouldConvertInitializerOfForStatement(node) { + return ts.isForStatement(node) && !!node.initializer && shouldConvertPartOfIterationStatement(node.initializer); + } + function shouldConvertConditionOfForStatement(node) { + return ts.isForStatement(node) && !!node.condition && shouldConvertPartOfIterationStatement(node.condition); + } + function shouldConvertIncrementorOfForStatement(node) { + return ts.isForStatement(node) && !!node.incrementor && shouldConvertPartOfIterationStatement(node.incrementor); + } + function shouldConvertIterationStatement(node) { + return shouldConvertBodyOfIterationStatement(node) + || shouldConvertInitializerOfForStatement(node); + } + function shouldConvertBodyOfIterationStatement(node) { + return (resolver.getNodeCheckFlags(node) & 65536 /* NodeCheckFlags.LoopWithCapturedBlockScopedBinding */) !== 0; + } + /** + * Records constituents of name for the given variable to be hoisted in the outer scope. + */ + function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(node.name); + function visit(node) { + if (node.kind === 79 /* SyntaxKind.Identifier */) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + visit(element.name); + } + } + } + } + } + function convertIterationStatementBodyIfNecessary(node, outermostLabeledStatement, ancestorFacts, convert) { + if (!shouldConvertIterationStatement(node)) { + var saveAllowedNonLabeledJumps = void 0; + if (convertedLoopState) { + // we get here if we are trying to emit normal loop loop inside converted loop + // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 /* Jump.Break */ | 4 /* Jump.Continue */; + } + var result = convert + ? convert(node, outermostLabeledStatement, /*convertedLoopBodyStatements*/ undefined, ancestorFacts) + : factory.restoreEnclosingLabel(ts.isForStatement(node) ? visitEachChildOfForStatement(node) : ts.visitEachChild(node, visitor, context), outermostLabeledStatement, convertedLoopState && resetLabel); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + return result; + } + var currentState = createConvertedLoopState(node); + var statements = []; + var outerConvertedLoopState = convertedLoopState; + convertedLoopState = currentState; + var initializerFunction = shouldConvertInitializerOfForStatement(node) ? createFunctionForInitializerOfForStatement(node, currentState) : undefined; + var bodyFunction = shouldConvertBodyOfIterationStatement(node) ? createFunctionForBodyOfIterationStatement(node, currentState, outerConvertedLoopState) : undefined; + convertedLoopState = outerConvertedLoopState; + if (initializerFunction) + statements.push(initializerFunction.functionDeclaration); + if (bodyFunction) + statements.push(bodyFunction.functionDeclaration); + addExtraDeclarationsForConvertedLoop(statements, currentState, outerConvertedLoopState); + if (initializerFunction) { + statements.push(generateCallToConvertedLoopInitializer(initializerFunction.functionName, initializerFunction.containsYield)); + } + var loop; + if (bodyFunction) { + if (convert) { + loop = convert(node, outermostLabeledStatement, bodyFunction.part, ancestorFacts); + } + else { + var clone_4 = convertIterationStatementCore(node, initializerFunction, factory.createBlock(bodyFunction.part, /*multiLine*/ true)); + loop = factory.restoreEnclosingLabel(clone_4, outermostLabeledStatement, convertedLoopState && resetLabel); + } + } + else { + var clone_5 = convertIterationStatementCore(node, initializerFunction, ts.visitNode(node.statement, visitor, ts.isStatement, factory.liftToBlock)); + loop = factory.restoreEnclosingLabel(clone_5, outermostLabeledStatement, convertedLoopState && resetLabel); + } + statements.push(loop); + return statements; + } + function convertIterationStatementCore(node, initializerFunction, convertedLoopBody) { + switch (node.kind) { + case 242 /* SyntaxKind.ForStatement */: return convertForStatement(node, initializerFunction, convertedLoopBody); + case 243 /* SyntaxKind.ForInStatement */: return convertForInStatement(node, convertedLoopBody); + case 244 /* SyntaxKind.ForOfStatement */: return convertForOfStatement(node, convertedLoopBody); + case 240 /* SyntaxKind.DoStatement */: return convertDoStatement(node, convertedLoopBody); + case 241 /* SyntaxKind.WhileStatement */: return convertWhileStatement(node, convertedLoopBody); + default: return ts.Debug.failBadSyntaxKind(node, "IterationStatement expected"); + } + } + function convertForStatement(node, initializerFunction, convertedLoopBody) { + var shouldConvertCondition = node.condition && shouldConvertPartOfIterationStatement(node.condition); + var shouldConvertIncrementor = shouldConvertCondition || node.incrementor && shouldConvertPartOfIterationStatement(node.incrementor); + return factory.updateForStatement(node, ts.visitNode(initializerFunction ? initializerFunction.part : node.initializer, visitorWithUnusedExpressionResult, ts.isForInitializer), ts.visitNode(shouldConvertCondition ? undefined : node.condition, visitor, ts.isExpression), ts.visitNode(shouldConvertIncrementor ? undefined : node.incrementor, visitorWithUnusedExpressionResult, ts.isExpression), convertedLoopBody); + } + function convertForOfStatement(node, convertedLoopBody) { + return factory.updateForOfStatement(node, + /*awaitModifier*/ undefined, ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), convertedLoopBody); + } + function convertForInStatement(node, convertedLoopBody) { + return factory.updateForInStatement(node, ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), convertedLoopBody); + } + function convertDoStatement(node, convertedLoopBody) { + return factory.updateDoStatement(node, convertedLoopBody, ts.visitNode(node.expression, visitor, ts.isExpression)); + } + function convertWhileStatement(node, convertedLoopBody) { + return factory.updateWhileStatement(node, ts.visitNode(node.expression, visitor, ts.isExpression), convertedLoopBody); + } + function createConvertedLoopState(node) { + var loopInitializer; + switch (node.kind) { + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + var initializer = node.initializer; + if (initializer && initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + loopInitializer = initializer; + } + break; + } + // variables that will be passed to the loop as parameters + var loopParameters = []; + // variables declared in the loop initializer that will be changed inside the loop + var loopOutParameters = []; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3 /* NodeFlags.BlockScoped */)) { + var hasCapturedBindingsInForHead = shouldConvertInitializerOfForStatement(node) || + shouldConvertConditionOfForStatement(node) || + shouldConvertIncrementorOfForStatement(node); + for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + processLoopVariableDeclaration(node, decl, loopParameters, loopOutParameters, hasCapturedBindingsInForHead); + } + } + var currentState = { loopParameters: loopParameters, loopOutParameters: loopOutParameters }; + if (convertedLoopState) { + // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. + // if outer converted loop has already accumulated some state - pass it through + if (convertedLoopState.argumentsName) { + // outer loop has already used 'arguments' so we've already have some name to alias it + // use the same name in all nested loops + currentState.argumentsName = convertedLoopState.argumentsName; + } + if (convertedLoopState.thisName) { + // outer loop has already used 'this' so we've already have some name to alias it + // use the same name in all nested loops + currentState.thisName = convertedLoopState.thisName; + } + if (convertedLoopState.hoistedLocalVariables) { + // we've already collected some non-block scoped variable declarations in enclosing loop + // use the same storage in nested loop + currentState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; + } + } + return currentState; + } + function addExtraDeclarationsForConvertedLoop(statements, state, outerState) { + var extraVariableDeclarations; + // propagate state from the inner loop to the outer loop if necessary + if (state.argumentsName) { + // if alias for arguments is set + if (outerState) { + // pass it to outer converted loop + outerState.argumentsName = state.argumentsName; + } + else { + // this is top level converted loop and we need to create an alias for 'arguments' object + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(factory.createVariableDeclaration(state.argumentsName, + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createIdentifier("arguments"))); + } + } + if (state.thisName) { + // if alias for this is set + if (outerState) { + // pass it to outer converted loop + outerState.thisName = state.thisName; + } + else { + // this is top level converted loop so we need to create an alias for 'this' here + // NOTE: + // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. + // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(factory.createVariableDeclaration(state.thisName, + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createIdentifier("this"))); + } + } + if (state.hoistedLocalVariables) { + // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later + if (outerState) { + // pass them to outer converted loop + outerState.hoistedLocalVariables = state.hoistedLocalVariables; + } + else { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + // hoist collected variable declarations + for (var _i = 0, _a = state.hoistedLocalVariables; _i < _a.length; _i++) { + var identifier = _a[_i]; + extraVariableDeclarations.push(factory.createVariableDeclaration(identifier)); + } + } + } + // add extra variables to hold out parameters if necessary + if (state.loopOutParameters.length) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _b = 0, _c = state.loopOutParameters; _b < _c.length; _b++) { + var outParam = _c[_b]; + extraVariableDeclarations.push(factory.createVariableDeclaration(outParam.outParamName)); + } + } + if (state.conditionVariable) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + extraVariableDeclarations.push(factory.createVariableDeclaration(state.conditionVariable, /*exclamationToken*/ undefined, /*type*/ undefined, factory.createFalse())); + } + // create variable statement to hold all introduced variable declarations + if (extraVariableDeclarations) { + statements.push(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList(extraVariableDeclarations))); + } + } + function createOutVariable(p) { + return factory.createVariableDeclaration(p.originalName, /*exclamationToken*/ undefined, /*type*/ undefined, p.outParamName); + } + /** + * Creates a `_loop_init` function for a `ForStatement` with a block-scoped initializer + * that is captured in a closure inside of the initializer. The `_loop_init` function is + * used to preserve the per-iteration environment semantics of + * [13.7.4.8 RS: ForBodyEvaluation](https://tc39.github.io/ecma262/#sec-forbodyevaluation). + */ + function createFunctionForInitializerOfForStatement(node, currentState) { + var functionName = factory.createUniqueName("_loop_init"); + var containsYield = (node.initializer.transformFlags & 524288 /* TransformFlags.ContainsYield */) !== 0; + var emitFlags = 0 /* EmitFlags.None */; + if (currentState.containsLexicalThis) + emitFlags |= 8 /* EmitFlags.CapturesThis */; + if (containsYield && hierarchyFacts & 4 /* HierarchyFacts.AsyncFunctionBody */) + emitFlags |= 262144 /* EmitFlags.AsyncFunctionBody */; + var statements = []; + statements.push(factory.createVariableStatement(/*modifiers*/ undefined, node.initializer)); + copyOutParameters(currentState.loopOutParameters, 2 /* LoopOutParameterFlags.Initializer */, 1 /* CopyDirection.ToOutParameter */, statements); + // This transforms the following ES2015 syntax: + // + // for (let i = (setImmediate(() => console.log(i)), 0); i < 2; i++) { + // // loop body + // } + // + // Into the following ES5 syntax: + // + // var _loop_init_1 = function () { + // var i = (setImmediate(() => console.log(i)), 0); + // out_i_1 = i; + // }; + // var out_i_1; + // _loop_init_1(); + // for (var i = out_i_1; i < 2; i++) { + // // loop body + // } + // + // Which prevents mutations to `i` in the per-iteration environment of the body + // from affecting the initial value for `i` outside of the per-iteration environment. + var functionDeclaration = factory.createVariableStatement( + /*modifiers*/ undefined, ts.setEmitFlags(factory.createVariableDeclarationList([ + factory.createVariableDeclaration(functionName, + /*exclamationToken*/ undefined, + /*type*/ undefined, ts.setEmitFlags(factory.createFunctionExpression( + /*modifiers*/ undefined, containsYield ? factory.createToken(41 /* SyntaxKind.AsteriskToken */) : undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ undefined, + /*type*/ undefined, ts.visitNode(factory.createBlock(statements, /*multiLine*/ true), visitor, ts.isBlock)), emitFlags)) + ]), 2097152 /* EmitFlags.NoHoisting */)); + var part = factory.createVariableDeclarationList(ts.map(currentState.loopOutParameters, createOutVariable)); + return { functionName: functionName, containsYield: containsYield, functionDeclaration: functionDeclaration, part: part }; + } + /** + * Creates a `_loop` function for an `IterationStatement` with a block-scoped initializer + * that is captured in a closure inside of the loop body. The `_loop` function is used to + * preserve the per-iteration environment semantics of + * [13.7.4.8 RS: ForBodyEvaluation](https://tc39.github.io/ecma262/#sec-forbodyevaluation). + */ + function createFunctionForBodyOfIterationStatement(node, currentState, outerState) { + var functionName = factory.createUniqueName("_loop"); + startLexicalEnvironment(); + var statement = ts.visitNode(node.statement, visitor, ts.isStatement, factory.liftToBlock); + var lexicalEnvironment = endLexicalEnvironment(); + var statements = []; + if (shouldConvertConditionOfForStatement(node) || shouldConvertIncrementorOfForStatement(node)) { + // If a block-scoped variable declared in the initializer of `node` is captured in + // the condition or incrementor, we must move the condition and incrementor into + // the body of the for loop. + // + // This transforms the following ES2015 syntax: + // + // for (let i = 0; setImmediate(() => console.log(i)), i < 2; setImmediate(() => console.log(i)), i++) { + // // loop body + // } + // + // Into the following ES5 syntax: + // + // var _loop_1 = function (i) { + // if (inc_1) + // setImmediate(() => console.log(i)), i++; + // else + // inc_1 = true; + // if (!(setImmediate(() => console.log(i)), i < 2)) + // return out_i_1 = i, "break"; + // // loop body + // out_i_1 = i; + // } + // var out_i_1, inc_1 = false; + // for (var i = 0;;) { + // var state_1 = _loop_1(i); + // i = out_i_1; + // if (state_1 === "break") + // break; + // } + // + // Which prevents mutations to `i` in the per-iteration environment of the body + // from affecting the value of `i` in the previous per-iteration environment. + // + // Note that the incrementor of a `for` loop is evaluated in a *new* per-iteration + // environment that is carried over to the next iteration of the loop. As a result, + // we must indicate whether this is the first evaluation of the loop body so that + // we only evaluate the incrementor on subsequent evaluations. + currentState.conditionVariable = factory.createUniqueName("inc"); + if (node.incrementor) { + statements.push(factory.createIfStatement(currentState.conditionVariable, factory.createExpressionStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression)), factory.createExpressionStatement(factory.createAssignment(currentState.conditionVariable, factory.createTrue())))); + } + else { + statements.push(factory.createIfStatement(factory.createLogicalNot(currentState.conditionVariable), factory.createExpressionStatement(factory.createAssignment(currentState.conditionVariable, factory.createTrue())))); + } + if (shouldConvertConditionOfForStatement(node)) { + statements.push(factory.createIfStatement(factory.createPrefixUnaryExpression(53 /* SyntaxKind.ExclamationToken */, ts.visitNode(node.condition, visitor, ts.isExpression)), ts.visitNode(factory.createBreakStatement(), visitor, ts.isStatement))); + } + } + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + } + else { + statements.push(statement); + } + copyOutParameters(currentState.loopOutParameters, 1 /* LoopOutParameterFlags.Body */, 1 /* CopyDirection.ToOutParameter */, statements); + ts.insertStatementsAfterStandardPrologue(statements, lexicalEnvironment); + var loopBody = factory.createBlock(statements, /*multiLine*/ true); + if (ts.isBlock(statement)) + ts.setOriginalNode(loopBody, statement); + var containsYield = (node.statement.transformFlags & 524288 /* TransformFlags.ContainsYield */) !== 0; + var emitFlags = 524288 /* EmitFlags.ReuseTempVariableScope */; + if (currentState.containsLexicalThis) + emitFlags |= 8 /* EmitFlags.CapturesThis */; + if (containsYield && (hierarchyFacts & 4 /* HierarchyFacts.AsyncFunctionBody */) !== 0) + emitFlags |= 262144 /* EmitFlags.AsyncFunctionBody */; + // This transforms the following ES2015 syntax (in addition to other variations): + // + // for (let i = 0; i < 2; i++) { + // setImmediate(() => console.log(i)); + // } + // + // Into the following ES5 syntax: + // + // var _loop_1 = function (i) { + // setImmediate(() => console.log(i)); + // }; + // for (var i = 0; i < 2; i++) { + // _loop_1(i); + // } + var functionDeclaration = factory.createVariableStatement( + /*modifiers*/ undefined, ts.setEmitFlags(factory.createVariableDeclarationList([ + factory.createVariableDeclaration(functionName, + /*exclamationToken*/ undefined, + /*type*/ undefined, ts.setEmitFlags(factory.createFunctionExpression( + /*modifiers*/ undefined, containsYield ? factory.createToken(41 /* SyntaxKind.AsteriskToken */) : undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, currentState.loopParameters, + /*type*/ undefined, loopBody), emitFlags)) + ]), 2097152 /* EmitFlags.NoHoisting */)); + var part = generateCallToConvertedLoop(functionName, currentState, outerState, containsYield); + return { functionName: functionName, containsYield: containsYield, functionDeclaration: functionDeclaration, part: part }; + } + function copyOutParameter(outParam, copyDirection) { + var source = copyDirection === 0 /* CopyDirection.ToOriginal */ ? outParam.outParamName : outParam.originalName; + var target = copyDirection === 0 /* CopyDirection.ToOriginal */ ? outParam.originalName : outParam.outParamName; + return factory.createBinaryExpression(target, 63 /* SyntaxKind.EqualsToken */, source); + } + function copyOutParameters(outParams, partFlags, copyDirection, statements) { + for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { + var outParam = outParams_1[_i]; + if (outParam.flags & partFlags) { + statements.push(factory.createExpressionStatement(copyOutParameter(outParam, copyDirection))); + } + } + } + function generateCallToConvertedLoopInitializer(initFunctionExpressionName, containsYield) { + var call = factory.createCallExpression(initFunctionExpressionName, /*typeArguments*/ undefined, []); + var callResult = containsYield + ? factory.createYieldExpression(factory.createToken(41 /* SyntaxKind.AsteriskToken */), ts.setEmitFlags(call, 8388608 /* EmitFlags.Iterator */)) + : call; + return factory.createExpressionStatement(callResult); + } + function generateCallToConvertedLoop(loopFunctionExpressionName, state, outerState, containsYield) { + var statements = []; + // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop + // simple loops are emitted as just 'loop()'; + // NOTE: if loop uses only 'continue' it still will be emitted as simple loop + var isSimpleLoop = !(state.nonLocalJumps & ~4 /* Jump.Continue */) && + !state.labeledNonLocalBreaks && + !state.labeledNonLocalContinues; + var call = factory.createCallExpression(loopFunctionExpressionName, /*typeArguments*/ undefined, ts.map(state.loopParameters, function (p) { return p.name; })); + var callResult = containsYield + ? factory.createYieldExpression(factory.createToken(41 /* SyntaxKind.AsteriskToken */), ts.setEmitFlags(call, 8388608 /* EmitFlags.Iterator */)) + : call; + if (isSimpleLoop) { + statements.push(factory.createExpressionStatement(callResult)); + copyOutParameters(state.loopOutParameters, 1 /* LoopOutParameterFlags.Body */, 0 /* CopyDirection.ToOriginal */, statements); + } + else { + var loopResultName = factory.createUniqueName("state"); + var stateVariable = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([factory.createVariableDeclaration(loopResultName, /*exclamationToken*/ undefined, /*type*/ undefined, callResult)])); + statements.push(stateVariable); + copyOutParameters(state.loopOutParameters, 1 /* LoopOutParameterFlags.Body */, 0 /* CopyDirection.ToOriginal */, statements); + if (state.nonLocalJumps & 8 /* Jump.Return */) { + var returnStatement = void 0; + if (outerState) { + outerState.nonLocalJumps |= 8 /* Jump.Return */; + returnStatement = factory.createReturnStatement(loopResultName); + } + else { + returnStatement = factory.createReturnStatement(factory.createPropertyAccessExpression(loopResultName, "value")); + } + statements.push(factory.createIfStatement(factory.createTypeCheck(loopResultName, "object"), returnStatement)); + } + if (state.nonLocalJumps & 2 /* Jump.Break */) { + statements.push(factory.createIfStatement(factory.createStrictEquality(loopResultName, factory.createStringLiteral("break")), factory.createBreakStatement())); + } + if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { + var caseClauses = []; + processLabeledJumps(state.labeledNonLocalBreaks, /*isBreak*/ true, loopResultName, outerState, caseClauses); + processLabeledJumps(state.labeledNonLocalContinues, /*isBreak*/ false, loopResultName, outerState, caseClauses); + statements.push(factory.createSwitchStatement(loopResultName, factory.createCaseBlock(caseClauses))); + } + } + return statements; + } + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = new ts.Map(); + } + state.labeledNonLocalBreaks.set(labelText, labelMarker); + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = new ts.Map(); + } + state.labeledNonLocalContinues.set(labelText, labelMarker); + } + } + function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { + if (!table) { + return; + } + table.forEach(function (labelMarker, labelText) { + var statements = []; + // if there are no outer converted loop or outer label in question is located inside outer converted loop + // then emit labeled break\continue + // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do + if (!outerLoop || (outerLoop.labels && outerLoop.labels.get(labelText))) { + var label = factory.createIdentifier(labelText); + statements.push(isBreak ? factory.createBreakStatement(label) : factory.createContinueStatement(label)); + } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + statements.push(factory.createReturnStatement(loopResultName)); + } + caseClauses.push(factory.createCaseClause(factory.createStringLiteral(labelMarker), statements)); + }); + } + function processLoopVariableDeclaration(container, decl, loopParameters, loopOutParameters, hasCapturedBindingsInForHead) { + var name = decl.name; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + processLoopVariableDeclaration(container, element, loopParameters, loopOutParameters, hasCapturedBindingsInForHead); + } + } + } + else { + loopParameters.push(factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, name)); + var checkFlags = resolver.getNodeCheckFlags(decl); + if (checkFlags & 4194304 /* NodeCheckFlags.NeedsLoopOutParameter */ || hasCapturedBindingsInForHead) { + var outParamName = factory.createUniqueName("out_" + ts.idText(name)); + var flags = 0; + if (checkFlags & 4194304 /* NodeCheckFlags.NeedsLoopOutParameter */) { + flags |= 1 /* LoopOutParameterFlags.Body */; + } + if (ts.isForStatement(container)) { + if (container.initializer && resolver.isBindingCapturedByNode(container.initializer, decl)) { + flags |= 2 /* LoopOutParameterFlags.Initializer */; + } + if (container.condition && resolver.isBindingCapturedByNode(container.condition, decl) || + container.incrementor && resolver.isBindingCapturedByNode(container.incrementor, decl)) { + flags |= 1 /* LoopOutParameterFlags.Body */; + } + } + loopOutParameters.push({ flags: flags, originalName: name, outParamName: outParamName }); + } + } + } + /** + * Adds the members of an object literal to an array of expressions. + * + * @param expressions An array of expressions. + * @param node An ObjectLiteralExpression node. + * @param receiver The receiver for members of the ObjectLiteralExpression. + * @param numInitialNonComputedProperties The number of initial properties without + * computed property names. + */ + function addObjectLiteralMembers(expressions, node, receiver, start) { + var properties = node.properties; + var numProperties = properties.length; + for (var i = start; i < numProperties; i++) { + var property = properties[i]; + switch (property.kind) { + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property === accessors.firstAccessor) { + expressions.push(transformAccessorsToExpression(receiver, accessors, node, !!node.multiLine)); + } + break; + case 169 /* SyntaxKind.MethodDeclaration */: + expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node, node.multiLine)); + break; + case 296 /* SyntaxKind.PropertyAssignment */: + expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; + } + } + } + /** + * Transforms a PropertyAssignment node into an expression. + * + * @param node The ObjectLiteralExpression that contains the PropertyAssignment. + * @param property The PropertyAssignment node. + * @param receiver The receiver for the assignment. + */ + function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = factory.createAssignment(ts.createMemberAccessForPropertyName(factory, receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression)); + ts.setTextRange(expression, property); + if (startsOnNewLine) { + ts.startOnNewLine(expression); + } + return expression; + } + /** + * Transforms a ShorthandPropertyAssignment node into an expression. + * + * @param node The ObjectLiteralExpression that contains the ShorthandPropertyAssignment. + * @param property The ShorthandPropertyAssignment node. + * @param receiver The receiver for the assignment. + */ + function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = factory.createAssignment(ts.createMemberAccessForPropertyName(factory, receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), factory.cloneNode(property.name)); + ts.setTextRange(expression, property); + if (startsOnNewLine) { + ts.startOnNewLine(expression); + } + return expression; + } + /** + * Transforms a MethodDeclaration of an ObjectLiteralExpression into an expression. + * + * @param node The ObjectLiteralExpression that contains the MethodDeclaration. + * @param method The MethodDeclaration node. + * @param receiver The receiver for the assignment. + */ + function transformObjectLiteralMethodDeclarationToExpression(method, receiver, container, startsOnNewLine) { + var expression = factory.createAssignment(ts.createMemberAccessForPropertyName(factory, receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, /*location*/ method, /*name*/ undefined, container)); + ts.setTextRange(expression, method); + if (startsOnNewLine) { + ts.startOnNewLine(expression); + } + return expression; + } + function visitCatchClause(node) { + var ancestorFacts = enterSubtree(7104 /* HierarchyFacts.BlockScopeExcludes */, 0 /* HierarchyFacts.BlockScopeIncludes */); + var updated; + ts.Debug.assert(!!node.variableDeclaration, "Catch clause variable should always be present when downleveling ES2015."); + if (ts.isBindingPattern(node.variableDeclaration.name)) { + var temp = factory.createTempVariable(/*recordTempVariable*/ undefined); + var newVariableDeclaration = factory.createVariableDeclaration(temp); + ts.setTextRange(newVariableDeclaration, node.variableDeclaration); + var vars = ts.flattenDestructuringBinding(node.variableDeclaration, visitor, context, 0 /* FlattenLevel.All */, temp); + var list = factory.createVariableDeclarationList(vars); + ts.setTextRange(list, node.variableDeclaration); + var destructure = factory.createVariableStatement(/*modifiers*/ undefined, list); + updated = factory.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure)); + } + else { + updated = ts.visitEachChild(node, visitor, context); + } + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return updated; + } + function addStatementToStartOfBlock(block, statement) { + var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement); + return factory.updateBlock(block, __spreadArray([statement], transformedStatements, true)); + } + /** + * Visits a MethodDeclaration of an ObjectLiteralExpression and transforms it into a + * PropertyAssignment. + * + * @param node A MethodDeclaration node. + */ + function visitMethodDeclaration(node) { + // We should only get here for methods on an object literal with regular identifier names. + // Methods on classes are handled in visitClassDeclaration/visitClassExpression. + // Methods with computed property names are handled in visitObjectLiteralExpression. + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var functionExpression = transformFunctionLikeToExpression(node, /*location*/ ts.moveRangePos(node, -1), /*name*/ undefined, /*container*/ undefined); + ts.setEmitFlags(functionExpression, 512 /* EmitFlags.NoLeadingComments */ | ts.getEmitFlags(functionExpression)); + return ts.setTextRange(factory.createPropertyAssignment(node.name, functionExpression), + /*location*/ node); + } + /** + * Visits an AccessorDeclaration of an ObjectLiteralExpression. + * + * @param node An AccessorDeclaration node. + */ + function visitAccessorDeclaration(node) { + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var ancestorFacts = enterSubtree(32670 /* HierarchyFacts.FunctionExcludes */, 65 /* HierarchyFacts.FunctionIncludes */); + var updated; + var parameters = ts.visitParameterList(node.parameters, visitor, context); + var body = transformFunctionBody(node); + if (node.kind === 172 /* SyntaxKind.GetAccessor */) { + updated = factory.updateGetAccessorDeclaration(node, node.decorators, node.modifiers, node.name, parameters, node.type, body); + } + else { + updated = factory.updateSetAccessorDeclaration(node, node.decorators, node.modifiers, node.name, parameters, body); + } + exitSubtree(ancestorFacts, 98304 /* HierarchyFacts.FunctionSubtreeExcludes */, 0 /* HierarchyFacts.None */); + convertedLoopState = savedConvertedLoopState; + return updated; + } + /** + * Visits a ShorthandPropertyAssignment and transforms it into a PropertyAssignment. + * + * @param node A ShorthandPropertyAssignment node. + */ + function visitShorthandPropertyAssignment(node) { + return ts.setTextRange(factory.createPropertyAssignment(node.name, visitIdentifier(factory.cloneNode(node.name))), + /*location*/ node); + } + function visitComputedPropertyName(node) { + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a YieldExpression node. + * + * @param node A YieldExpression node. + */ + function visitYieldExpression(node) { + // `yield` expressions are transformed using the generators transformer. + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits an ArrayLiteralExpression that contains a spread element. + * + * @param node An ArrayLiteralExpression node. + */ + function visitArrayLiteralExpression(node) { + if (ts.some(node.elements, ts.isSpreadElement)) { + // We are here because we contain a SpreadElementExpression. + return transformAndSpreadElements(node.elements, /*isArgumentList*/ false, !!node.multiLine, /*hasTrailingComma*/ !!node.elements.hasTrailingComma); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a CallExpression that contains either a spread element or `super`. + * + * @param node a CallExpression. + */ + function visitCallExpression(node) { + if (ts.getEmitFlags(node) & 33554432 /* EmitFlags.TypeScriptClassWrapper */) { + return visitTypeScriptClassWrapper(node); + } + var expression = ts.skipOuterExpressions(node.expression); + if (expression.kind === 106 /* SyntaxKind.SuperKeyword */ || + ts.isSuperProperty(expression) || + ts.some(node.arguments, ts.isSpreadElement)) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ true); + } + return factory.updateCallExpression(node, ts.visitNode(node.expression, callExpressionVisitor, ts.isExpression), + /*typeArguments*/ undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function visitTypeScriptClassWrapper(node) { + // This is a call to a class wrapper function (an IIFE) created by the 'ts' transformer. + // The wrapper has a form similar to: + // + // (function() { + // class C { // 1 + // } + // C.x = 1; // 2 + // return C; + // }()) + // + // When we transform the class, we end up with something like this: + // + // (function () { + // var C = (function () { // 3 + // function C() { + // } + // return C; // 4 + // }()); + // C.x = 1; + // return C; + // }()) + // + // We want to simplify the two nested IIFEs to end up with something like this: + // + // (function () { + // function C() { + // } + // C.x = 1; + // return C; + // }()) + // We skip any outer expressions in a number of places to get to the innermost + // expression, but we will restore them later to preserve comments and source maps. + var body = ts.cast(ts.cast(ts.skipOuterExpressions(node.expression), ts.isArrowFunction).body, ts.isBlock); + // The class statements are the statements generated by visiting the first statement with initializer of the + // body (1), while all other statements are added to remainingStatements (2) + var isVariableStatementWithInitializer = function (stmt) { return ts.isVariableStatement(stmt) && !!ts.first(stmt.declarationList.declarations).initializer; }; + // visit the class body statements outside of any converted loop body. + var savedConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + var bodyStatements = ts.visitNodes(body.statements, classWrapperStatementVisitor, ts.isStatement); + convertedLoopState = savedConvertedLoopState; + var classStatements = ts.filter(bodyStatements, isVariableStatementWithInitializer); + var remainingStatements = ts.filter(bodyStatements, function (stmt) { return !isVariableStatementWithInitializer(stmt); }); + var varStatement = ts.cast(ts.first(classStatements), ts.isVariableStatement); + // We know there is only one variable declaration here as we verified this in an + // earlier call to isTypeScriptClassWrapper + var variable = varStatement.declarationList.declarations[0]; + var initializer = ts.skipOuterExpressions(variable.initializer); + // Under certain conditions, the 'ts' transformer may introduce a class alias, which + // we see as an assignment, for example: + // + // (function () { + // var C_1; + // var C = C_1 = (function () { + // function C() { + // } + // C.x = function () { return C_1; } + // return C; + // }()); + // C = C_1 = __decorate([dec], C); + // return C; + // }()) + // + var aliasAssignment = ts.tryCast(initializer, ts.isAssignmentExpression); + if (!aliasAssignment && ts.isBinaryExpression(initializer) && initializer.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + aliasAssignment = ts.tryCast(initializer.left, ts.isAssignmentExpression); + } + // The underlying call (3) is another IIFE that may contain a '_super' argument. + var call = ts.cast(aliasAssignment ? ts.skipOuterExpressions(aliasAssignment.right) : initializer, ts.isCallExpression); + var func = ts.cast(ts.skipOuterExpressions(call.expression), ts.isFunctionExpression); + var funcStatements = func.body.statements; + var classBodyStart = 0; + var classBodyEnd = -1; + var statements = []; + if (aliasAssignment) { + // If we have a class alias assignment, we need to move it to the down-level constructor + // function we generated for the class. + var extendsCall = ts.tryCast(funcStatements[classBodyStart], ts.isExpressionStatement); + if (extendsCall) { + statements.push(extendsCall); + classBodyStart++; + } + // The next statement is the function declaration. + statements.push(funcStatements[classBodyStart]); + classBodyStart++; + // Add the class alias following the declaration. + statements.push(factory.createExpressionStatement(factory.createAssignment(aliasAssignment.left, ts.cast(variable.name, ts.isIdentifier)))); + } + // Find the trailing 'return' statement (4) + while (!ts.isReturnStatement(ts.elementAt(funcStatements, classBodyEnd))) { + classBodyEnd--; + } + // When we extract the statements of the inner IIFE, we exclude the 'return' statement (4) + // as we already have one that has been introduced by the 'ts' transformer. + ts.addRange(statements, funcStatements, classBodyStart, classBodyEnd); + if (classBodyEnd < -1) { + // If there were any hoisted declarations following the return statement, we should + // append them. + ts.addRange(statements, funcStatements, classBodyEnd + 1); + } + // Add the remaining statements of the outer wrapper. + ts.addRange(statements, remainingStatements); + // The 'es2015' class transform may add an end-of-declaration marker. If so we will add it + // after the remaining statements from the 'ts' transformer. + ts.addRange(statements, classStatements, /*start*/ 1); + // Recreate any outer parentheses or partially-emitted expressions to preserve source map + // and comment locations. + return factory.restoreOuterExpressions(node.expression, factory.restoreOuterExpressions(variable.initializer, factory.restoreOuterExpressions(aliasAssignment && aliasAssignment.right, factory.updateCallExpression(call, factory.restoreOuterExpressions(call.expression, factory.updateFunctionExpression(func, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, func.parameters, + /*type*/ undefined, factory.updateBlock(func.body, statements))), + /*typeArguments*/ undefined, call.arguments)))); + } + function visitSuperCallInBody(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ false); + } + function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { + // We are here either because SuperKeyword was used somewhere in the expression, or + // because we contain a SpreadElementExpression. + if (node.transformFlags & 16384 /* TransformFlags.ContainsRestOrSpread */ || + node.expression.kind === 106 /* SyntaxKind.SuperKeyword */ || + ts.isSuperProperty(ts.skipOuterExpressions(node.expression))) { + var _a = factory.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + ts.setEmitFlags(thisArg, 4 /* EmitFlags.NoSubstitution */); + } + var resultingCall = void 0; + if (node.transformFlags & 16384 /* TransformFlags.ContainsRestOrSpread */) { + // [source] + // f(...a, b) + // x.m(...a, b) + // super(...a, b) + // super.m(...a, b) // in static + // super.m(...a, b) // in instance + // + // [output] + // f.apply(void 0, a.concat([b])) + // (_a = x).m.apply(_a, a.concat([b])) + // _super.apply(this, a.concat([b])) + // _super.m.apply(this, a.concat([b])) + // _super.prototype.m.apply(this, a.concat([b])) + resultingCall = factory.createFunctionApplyCall(ts.visitNode(target, callExpressionVisitor, ts.isExpression), node.expression.kind === 106 /* SyntaxKind.SuperKeyword */ ? thisArg : ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, /*isArgumentList*/ true, /*multiLine*/ false, /*hasTrailingComma*/ false)); + } + else { + // [source] + // super(a) + // super.m(a) // in static + // super.m(a) // in instance + // + // [output] + // _super.call(this, a) + // _super.m.call(this, a) + // _super.prototype.m.call(this, a) + resultingCall = ts.setTextRange(factory.createFunctionCallCall(ts.visitNode(target, callExpressionVisitor, ts.isExpression), node.expression.kind === 106 /* SyntaxKind.SuperKeyword */ ? thisArg : ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression)), node); + } + if (node.expression.kind === 106 /* SyntaxKind.SuperKeyword */) { + var initializer = factory.createLogicalOr(resultingCall, createActualThis()); + resultingCall = assignToCapturedThis + ? factory.createAssignment(factory.createUniqueName("_this", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), initializer) + : initializer; + } + return ts.setOriginalNode(resultingCall, node); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a NewExpression that contains a spread element. + * + * @param node A NewExpression node. + */ + function visitNewExpression(node) { + if (ts.some(node.arguments, ts.isSpreadElement)) { + // We are here because we contain a SpreadElementExpression. + // [source] + // new C(...a) + // + // [output] + // new ((_a = C).bind.apply(_a, [void 0].concat(a)))() + var _a = factory.createCallBinding(factory.createPropertyAccessExpression(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return factory.createNewExpression(factory.createFunctionApplyCall(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(factory.createNodeArray(__spreadArray([factory.createVoidZero()], node.arguments, true)), /*isArgumentList*/ true, /*multiLine*/ false, /*hasTrailingComma*/ false)), + /*typeArguments*/ undefined, []); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Transforms an array of Expression nodes that contains a SpreadExpression. + * + * @param elements The array of Expression nodes. + * @param isArgumentList A value indicating whether to ensure that the result is a fresh array. + * This should be `false` when spreading into an `ArrayLiteral`, and `true` when spreading into an + * argument list. + * @param multiLine A value indicating whether the result should be emitted on multiple lines. + */ + function transformAndSpreadElements(elements, isArgumentList, multiLine, hasTrailingComma) { + // When there is no leading SpreadElement: + // + // [source] + // [a, ...b, c] + // + // [output (downlevelIteration)] + // __spreadArray(__spreadArray([a], __read(b)), [c]) + // + // [output] + // __spreadArray(__spreadArray([a], b), [c]) + // + // When there *is* a leading SpreadElement: + // + // [source] + // [...a, b] + // + // [output (downlevelIteration)] + // __spreadArray(__spreadArray([], __read(a)), [b]) + // + // [output] + // __spreadArray(__spreadArray([], a), [b]) + // + // NOTE: We use `isPackedArrayLiteral` below rather than just `isArrayLiteral` + // because ES2015 spread will replace _missing_ array elements with `undefined`, + // so we cannot just use an array as is. For example: + // + // `[1, ...[2, , 3]]` becomes `[1, 2, undefined, 3]` + // + // However, for packed array literals (i.e., an array literal with no OmittedExpression + // elements), we can use the array as-is. + // Map spans of spread expressions into their expressions and spans of other + // expressions into an array literal. + var numElements = elements.length; + var segments = ts.flatten( + // As we visit each element, we return one of two functions to use as the "key": + // - `visitSpanOfSpreads` for one or more contiguous `...` spread expressions, i.e. `...a, ...b` in `[1, 2, ...a, ...b]` + // - `visitSpanOfNonSpreads` for one or more contiguous non-spread elements, i.e. `1, 2`, in `[1, 2, ...a, ...b]` + ts.spanMap(elements, partitionSpread, function (partition, visitPartition, _start, end) { + return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); + })); + if (segments.length === 1) { + var firstSegment = segments[0]; + // If we don't need a unique copy, then we are spreading into an argument list for + // a CallExpression or NewExpression. When using `--downlevelIteration`, we need + // to coerce this into an array for use with `apply`, so we will use the code path + // that follows instead. + if (isArgumentList && !compilerOptions.downlevelIteration + || ts.isPackedArrayLiteral(firstSegment.expression) // see NOTE (above) + || ts.isCallToHelper(firstSegment.expression, "___spreadArray")) { + return firstSegment.expression; + } + } + var helpers = emitHelpers(); + var startsWithSpread = segments[0].kind !== 0 /* SpreadSegmentKind.None */; + var expression = startsWithSpread ? factory.createArrayLiteralExpression() : + segments[0].expression; + for (var i = startsWithSpread ? 0 : 1; i < segments.length; i++) { + var segment = segments[i]; + // If this is for an argument list, it doesn't matter if the array is packed or sparse + expression = helpers.createSpreadArrayHelper(expression, segment.expression, segment.kind === 1 /* SpreadSegmentKind.UnpackedSpread */ && !isArgumentList); + } + return expression; + } + function partitionSpread(node) { + return ts.isSpreadElement(node) + ? visitSpanOfSpreads + : visitSpanOfNonSpreads; + } + function visitSpanOfSpreads(chunk) { + return ts.map(chunk, visitExpressionOfSpread); + } + function visitExpressionOfSpread(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + // We don't need to pack already packed array literals, or existing calls to the `__read` helper. + var isCallToReadHelper = ts.isCallToHelper(expression, "___read"); + var kind = isCallToReadHelper || ts.isPackedArrayLiteral(expression) ? 2 /* SpreadSegmentKind.PackedSpread */ : 1 /* SpreadSegmentKind.UnpackedSpread */; + // We don't need the `__read` helper for array literals. Array packing will be performed by `__spreadArray`. + if (compilerOptions.downlevelIteration && kind === 1 /* SpreadSegmentKind.UnpackedSpread */ && !ts.isArrayLiteralExpression(expression) && !isCallToReadHelper) { + expression = emitHelpers().createReadHelper(expression, /*count*/ undefined); + // the `__read` helper returns a packed array, so we don't need to ensure a packed array + kind = 2 /* SpreadSegmentKind.PackedSpread */; + } + return createSpreadSegment(kind, expression); + } + function visitSpanOfNonSpreads(chunk, multiLine, hasTrailingComma) { + var expression = factory.createArrayLiteralExpression(ts.visitNodes(factory.createNodeArray(chunk, hasTrailingComma), visitor, ts.isExpression), multiLine); + // We do not pack non-spread segments, this is so that `[1, , ...[2, , 3], , 4]` is properly downleveled to + // `[1, , 2, undefined, 3, , 4]`. See the NOTE in `transformAndSpreadElements` + return createSpreadSegment(0 /* SpreadSegmentKind.None */, expression); + } + function visitSpreadElement(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + /** + * Visits a template literal. + * + * @param node A template literal. + */ + function visitTemplateLiteral(node) { + return ts.setTextRange(factory.createStringLiteral(node.text), node); + } + /** + * Visits a string literal with an extended unicode escape. + * + * @param node A string literal. + */ + function visitStringLiteral(node) { + if (node.hasExtendedUnicodeEscape) { + return ts.setTextRange(factory.createStringLiteral(node.text), node); + } + return node; + } + /** + * Visits a binary or octal (ES6) numeric literal. + * + * @param node A string literal. + */ + function visitNumericLiteral(node) { + if (node.numericLiteralFlags & 384 /* TokenFlags.BinaryOrOctalSpecifier */) { + return ts.setTextRange(factory.createNumericLiteral(node.text), node); + } + return node; + } + /** + * Visits a TaggedTemplateExpression node. + * + * @param node A TaggedTemplateExpression node. + */ + function visitTaggedTemplateExpression(node) { + return ts.processTaggedTemplateExpression(context, node, visitor, currentSourceFile, recordTaggedTemplateString, ts.ProcessLevel.All); + } + /** + * Visits a TemplateExpression node. + * + * @param node A TemplateExpression node. + */ + function visitTemplateExpression(node) { + var expression = factory.createStringLiteral(node.head.text); + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span = _a[_i]; + var args = [ts.visitNode(span.expression, visitor, ts.isExpression)]; + if (span.literal.text.length > 0) { + args.push(factory.createStringLiteral(span.literal.text)); + } + expression = factory.createCallExpression(factory.createPropertyAccessExpression(expression, "concat"), + /*typeArguments*/ undefined, args); + } + return ts.setTextRange(expression, node); + } + /** + * Visits the `super` keyword + */ + function visitSuperKeyword(isExpressionOfCall) { + return hierarchyFacts & 8 /* HierarchyFacts.NonStaticClassElement */ + && !isExpressionOfCall + ? factory.createPropertyAccessExpression(factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), "prototype") + : factory.createUniqueName("_super", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */); + } + function visitMetaProperty(node) { + if (node.keywordToken === 103 /* SyntaxKind.NewKeyword */ && node.name.escapedText === "target") { + hierarchyFacts |= 32768 /* HierarchyFacts.NewTarget */; + return factory.createUniqueName("_newTarget", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */); + } + return node; + } + /** + * Called by the printer just before a node is printed. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to be printed. + * @param emitCallback The callback used to emit the node. + */ + function onEmitNode(hint, node, emitCallback) { + if (enabledSubstitutions & 1 /* ES2015SubstitutionFlags.CapturedThis */ && ts.isFunctionLike(node)) { + // If we are tracking a captured `this`, keep track of the enclosing function. + var ancestorFacts = enterSubtree(32670 /* HierarchyFacts.FunctionExcludes */, ts.getEmitFlags(node) & 8 /* EmitFlags.CapturesThis */ + ? 65 /* HierarchyFacts.FunctionIncludes */ | 16 /* HierarchyFacts.CapturesThis */ + : 65 /* HierarchyFacts.FunctionIncludes */); + previousOnEmitNode(hint, node, emitCallback); + exitSubtree(ancestorFacts, 0 /* HierarchyFacts.None */, 0 /* HierarchyFacts.None */); + return; + } + previousOnEmitNode(hint, node, emitCallback); + } + /** + * Enables a more costly code path for substitutions when we determine a source file + * contains block-scoped bindings (e.g. `let` or `const`). + */ + function enableSubstitutionsForBlockScopedBindings() { + if ((enabledSubstitutions & 2 /* ES2015SubstitutionFlags.BlockScopedBindings */) === 0) { + enabledSubstitutions |= 2 /* ES2015SubstitutionFlags.BlockScopedBindings */; + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + } + } + /** + * Enables a more costly code path for substitutions when we determine a source file + * contains a captured `this`. + */ + function enableSubstitutionsForCapturedThis() { + if ((enabledSubstitutions & 1 /* ES2015SubstitutionFlags.CapturedThis */) === 0) { + enabledSubstitutions |= 1 /* ES2015SubstitutionFlags.CapturedThis */; + context.enableSubstitution(108 /* SyntaxKind.ThisKeyword */); + context.enableEmitNotification(171 /* SyntaxKind.Constructor */); + context.enableEmitNotification(169 /* SyntaxKind.MethodDeclaration */); + context.enableEmitNotification(172 /* SyntaxKind.GetAccessor */); + context.enableEmitNotification(173 /* SyntaxKind.SetAccessor */); + context.enableEmitNotification(214 /* SyntaxKind.ArrowFunction */); + context.enableEmitNotification(213 /* SyntaxKind.FunctionExpression */); + context.enableEmitNotification(256 /* SyntaxKind.FunctionDeclaration */); + } + } + /** + * Hooks node substitutions. + * + * @param hint The context for the emitter. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (hint === 1 /* EmitHint.Expression */) { + return substituteExpression(node); + } + if (ts.isIdentifier(node)) { + return substituteIdentifier(node); + } + return node; + } + /** + * Hooks substitutions for non-expression identifiers. + */ + function substituteIdentifier(node) { + // Only substitute the identifier if we have enabled substitutions for block-scoped + // bindings. + if (enabledSubstitutions & 2 /* ES2015SubstitutionFlags.BlockScopedBindings */ && !ts.isInternalName(node)) { + var original = ts.getParseTreeNode(node, ts.isIdentifier); + if (original && isNameOfDeclarationWithCollidingName(original)) { + return ts.setTextRange(factory.getGeneratedNameForNode(original), node); + } + } + return node; + } + /** + * Determines whether a name is the name of a declaration with a colliding name. + * NOTE: This function expects to be called with an original source tree node. + * + * @param node An original source tree node. + */ + function isNameOfDeclarationWithCollidingName(node) { + switch (node.parent.kind) { + case 203 /* SyntaxKind.BindingElement */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 254 /* SyntaxKind.VariableDeclaration */: + return node.parent.name === node + && resolver.isDeclarationWithCollidingName(node.parent); + } + return false; + } + /** + * Substitutes an expression. + * + * @param node An Expression node. + */ + function substituteExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return substituteExpressionIdentifier(node); + case 108 /* SyntaxKind.ThisKeyword */: + return substituteThisKeyword(node); + } + return node; + } + /** + * Substitutes an expression identifier. + * + * @param node An Identifier node. + */ + function substituteExpressionIdentifier(node) { + if (enabledSubstitutions & 2 /* ES2015SubstitutionFlags.BlockScopedBindings */ && !ts.isInternalName(node)) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration && !(ts.isClassLike(declaration) && isPartOfClassBody(declaration, node))) { + return ts.setTextRange(factory.getGeneratedNameForNode(ts.getNameOfDeclaration(declaration)), node); + } + } + return node; + } + function isPartOfClassBody(declaration, node) { + var currentNode = ts.getParseTreeNode(node); + if (!currentNode || currentNode === declaration || currentNode.end <= declaration.pos || currentNode.pos >= declaration.end) { + // if the node has no correlation to a parse tree node, its definitely not + // part of the body. + // if the node is outside of the document range of the declaration, its + // definitely not part of the body. + return false; + } + var blockScope = ts.getEnclosingBlockScopeContainer(declaration); + while (currentNode) { + if (currentNode === blockScope || currentNode === declaration) { + // if we are in the enclosing block scope of the declaration, we are definitely + // not inside the class body. + return false; + } + if (ts.isClassElement(currentNode) && currentNode.parent === declaration) { + return true; + } + currentNode = currentNode.parent; + } + return false; + } + /** + * Substitutes `this` when contained within an arrow function. + * + * @param node The ThisKeyword node. + */ + function substituteThisKeyword(node) { + if (enabledSubstitutions & 1 /* ES2015SubstitutionFlags.CapturedThis */ + && hierarchyFacts & 16 /* HierarchyFacts.CapturesThis */) { + return ts.setTextRange(factory.createUniqueName("_this", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), node); + } + return node; + } + function getClassMemberPrefix(node, member) { + return ts.isStatic(member) + ? factory.getInternalName(node) + : factory.createPropertyAccessExpression(factory.getInternalName(node), "prototype"); + } + function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { + if (!constructor || !hasExtendsClause) { + return false; + } + if (ts.some(constructor.parameters)) { + return false; + } + var statement = ts.firstOrUndefined(constructor.body.statements); + if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 238 /* SyntaxKind.ExpressionStatement */) { + return false; + } + var statementExpression = statement.expression; + if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 208 /* SyntaxKind.CallExpression */) { + return false; + } + var callTarget = statementExpression.expression; + if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 106 /* SyntaxKind.SuperKeyword */) { + return false; + } + var callArgument = ts.singleOrUndefined(statementExpression.arguments); + if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 225 /* SyntaxKind.SpreadElement */) { + return false; + } + var expression = callArgument.expression; + return ts.isIdentifier(expression) && expression.escapedText === "arguments"; + } + } + ts.transformES2015 = transformES2015; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + /** + * Transforms ES5 syntax into ES3 syntax. + * + * @param context Context and state information for the transformation. + */ + function transformES5(context) { + var factory = context.factory; + var compilerOptions = context.getCompilerOptions(); + // enable emit notification only if using --jsx preserve or react-native + var previousOnEmitNode; + var noSubstitution; + if (compilerOptions.jsx === 1 /* JsxEmit.Preserve */ || compilerOptions.jsx === 3 /* JsxEmit.ReactNative */) { + previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; + context.enableEmitNotification(280 /* SyntaxKind.JsxOpeningElement */); + context.enableEmitNotification(281 /* SyntaxKind.JsxClosingElement */); + context.enableEmitNotification(279 /* SyntaxKind.JsxSelfClosingElement */); + noSubstitution = []; + } + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + context.enableSubstitution(206 /* SyntaxKind.PropertyAccessExpression */); + context.enableSubstitution(296 /* SyntaxKind.PropertyAssignment */); + return ts.chainBundle(context, transformSourceFile); + /** + * Transforms an ES5 source file to ES3. + * + * @param node A SourceFile + */ + function transformSourceFile(node) { + return node; + } + /** + * Called by the printer just before a node is printed. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emitCallback A callback used to emit the node. + */ + function onEmitNode(hint, node, emitCallback) { + switch (node.kind) { + case 280 /* SyntaxKind.JsxOpeningElement */: + case 281 /* SyntaxKind.JsxClosingElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + var tagName = node.tagName; + noSubstitution[ts.getOriginalNodeId(tagName)] = true; + break; + } + previousOnEmitNode(hint, node, emitCallback); + } + /** + * Hooks node substitutions. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + if (node.id && noSubstitution && noSubstitution[node.id]) { + return previousOnSubstituteNode(hint, node); + } + node = previousOnSubstituteNode(hint, node); + if (ts.isPropertyAccessExpression(node)) { + return substitutePropertyAccessExpression(node); + } + else if (ts.isPropertyAssignment(node)) { + return substitutePropertyAssignment(node); + } + return node; + } + /** + * Substitutes a PropertyAccessExpression whose name is a reserved word. + * + * @param node A PropertyAccessExpression + */ + function substitutePropertyAccessExpression(node) { + if (ts.isPrivateIdentifier(node.name)) { + return node; + } + var literalName = trySubstituteReservedName(node.name); + if (literalName) { + return ts.setTextRange(factory.createElementAccessExpression(node.expression, literalName), node); + } + return node; + } + /** + * Substitutes a PropertyAssignment whose name is a reserved word. + * + * @param node A PropertyAssignment + */ + function substitutePropertyAssignment(node) { + var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); + if (literalName) { + return factory.updatePropertyAssignment(node, literalName, node.initializer); + } + return node; + } + /** + * If an identifier name is a reserved word, returns a string literal for the name. + * + * @param name An Identifier + */ + function trySubstituteReservedName(name) { + var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(ts.idText(name)) : undefined); + if (token !== undefined && token >= 81 /* SyntaxKind.FirstReservedWord */ && token <= 116 /* SyntaxKind.LastReservedWord */) { + return ts.setTextRange(factory.createStringLiteralFromNode(name), name); + } + return undefined; + } + } + ts.transformES5 = transformES5; +})(ts || (ts = {})); +// Transforms generator functions into a compatible ES5 representation with similar runtime +// semantics. This is accomplished by first transforming the body of each generator +// function into an intermediate representation that is the compiled into a JavaScript +// switch statement. +// +// Many functions in this transformer will contain comments indicating the expected +// intermediate representation. For illustrative purposes, the following intermediate +// language is used to define this intermediate representation: +// +// .nop - Performs no operation. +// .local NAME, ... - Define local variable declarations. +// .mark LABEL - Mark the location of a label. +// .br LABEL - Jump to a label. If jumping out of a protected +// region, all .finally blocks are executed. +// .brtrue LABEL, (x) - Jump to a label IIF the expression `x` is truthy. +// If jumping out of a protected region, all .finally +// blocks are executed. +// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey. +// If jumping out of a protected region, all .finally +// blocks are executed. +// .yield (x) - Yield the value of the optional expression `x`. +// Resume at the next label. +// .yieldstar (x) - Delegate yield to the value of the optional +// expression `x`. Resume at the next label. +// NOTE: `x` must be an Iterator, not an Iterable. +// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or +// "break" abrupt completions jump to the CONTINUE or +// BREAK labels, respectively. +// .endloop - Marks the end of a loop. +// .with (x) - Marks the beginning of a WithStatement block, using +// the supplied expression. +// .endwith - Marks the end of a WithStatement. +// .switch - Marks the beginning of a SwitchStatement. +// .endswitch - Marks the end of a SwitchStatement. +// .labeled NAME - Marks the beginning of a LabeledStatement with the +// supplied name. +// .endlabeled - Marks the end of a LabeledStatement. +// .try TRY, CATCH, FINALLY, END - Marks the beginning of a protected region, and the +// labels for each block. +// .catch (x) - Marks the beginning of a catch block. +// .finally - Marks the beginning of a finally block. +// .endfinally - Marks the end of a finally block. +// .endtry - Marks the end of a protected region. +// .throw (x) - Throws the value of the expression `x`. +// .return (x) - Returns the value of the expression `x`. +// +// In addition, the illustrative intermediate representation introduces some special +// variables: +// +// %sent% - Either returns the next value sent to the generator, +// returns the result of a delegated yield, or throws +// the exception sent to the generator. +// %error% - Returns the value of the current exception in a +// catch block. +// +// This intermediate representation is then compiled into JavaScript syntax. The resulting +// compilation output looks something like the following: +// +// function f() { +// var /*locals*/; +// /*functions*/ +// return __generator(function (state) { +// switch (state.label) { +// /*cases per label*/ +// } +// }); +// } +// +// Each of the above instructions corresponds to JavaScript emit similar to the following: +// +// .local NAME | var NAME; +// -------------------------------|---------------------------------------------- +// .mark LABEL | case LABEL: +// -------------------------------|---------------------------------------------- +// .br LABEL | return [3 /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .brtrue LABEL, (x) | if (x) return [3 /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .yield (x) | return [4 /*yield*/, x]; +// .mark RESUME | case RESUME: +// a = %sent%; | a = state.sent(); +// -------------------------------|---------------------------------------------- +// .yieldstar (x) | return [5 /*yield**/, x]; +// .mark RESUME | case RESUME: +// a = %sent%; | a = state.sent(); +// -------------------------------|---------------------------------------------- +// .with (_a) | with (_a) { +// a(); | a(); +// | } +// | state.label = LABEL; +// .mark LABEL | case LABEL: +// | with (_a) { +// b(); | b(); +// | } +// .endwith | +// -------------------------------|---------------------------------------------- +// | case 0: +// | state.trys = []; +// | ... +// .try TRY, CATCH, FINALLY, END | +// .mark TRY | case TRY: +// | state.trys.push([TRY, CATCH, FINALLY, END]); +// .nop | +// a(); | a(); +// .br END | return [3 /*break*/, END]; +// .catch (e) | +// .mark CATCH | case CATCH: +// | e = state.sent(); +// b(); | b(); +// .br END | return [3 /*break*/, END]; +// .finally | +// .mark FINALLY | case FINALLY: +// c(); | c(); +// .endfinally | return [7 /*endfinally*/]; +// .endtry | +// .mark END | case END: +/*@internal*/ +var ts; +(function (ts) { + var OpCode; + (function (OpCode) { + OpCode[OpCode["Nop"] = 0] = "Nop"; + OpCode[OpCode["Statement"] = 1] = "Statement"; + OpCode[OpCode["Assign"] = 2] = "Assign"; + OpCode[OpCode["Break"] = 3] = "Break"; + OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; + OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; + OpCode[OpCode["Yield"] = 6] = "Yield"; + OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; + OpCode[OpCode["Return"] = 8] = "Return"; + OpCode[OpCode["Throw"] = 9] = "Throw"; + OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; // Marks the end of a `finally` block + })(OpCode || (OpCode = {})); + // whether a generated code block is opening or closing at the current operation for a FunctionBuilder + var BlockAction; + (function (BlockAction) { + BlockAction[BlockAction["Open"] = 0] = "Open"; + BlockAction[BlockAction["Close"] = 1] = "Close"; + })(BlockAction || (BlockAction = {})); + // the kind for a generated code block in a FunctionBuilder + var CodeBlockKind; + (function (CodeBlockKind) { + CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; + CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; + CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; + CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; + CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; + })(CodeBlockKind || (CodeBlockKind = {})); + // the state for a generated code exception block + var ExceptionBlockState; + (function (ExceptionBlockState) { + ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; + ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; + ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; + ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; + })(ExceptionBlockState || (ExceptionBlockState = {})); + // NOTE: changes to this enum should be reflected in the __generator helper. + var Instruction; + (function (Instruction) { + Instruction[Instruction["Next"] = 0] = "Next"; + Instruction[Instruction["Throw"] = 1] = "Throw"; + Instruction[Instruction["Return"] = 2] = "Return"; + Instruction[Instruction["Break"] = 3] = "Break"; + Instruction[Instruction["Yield"] = 4] = "Yield"; + Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; + Instruction[Instruction["Catch"] = 6] = "Catch"; + Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; + })(Instruction || (Instruction = {})); + function getInstructionName(instruction) { + switch (instruction) { + case 2 /* Instruction.Return */: return "return"; + case 3 /* Instruction.Break */: return "break"; + case 4 /* Instruction.Yield */: return "yield"; + case 5 /* Instruction.YieldStar */: return "yield*"; + case 7 /* Instruction.Endfinally */: return "endfinally"; + default: return undefined; // TODO: GH#18217 + } + } + function transformGenerators(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var resolver = context.getEmitResolver(); + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + var renamedCatchVariables; + var renamedCatchVariableDeclarations; + var inGeneratorFunctionBody; + var inStatementContainingYield; + // The following three arrays store information about generated code blocks. + // All three arrays are correlated by their index. This approach is used over allocating + // objects to store the same information to avoid GC overhead. + // + var blocks; // Information about the code block + var blockOffsets; // The operation offset at which a code block begins or ends + var blockActions; // Whether the code block is opened or closed + var blockStack; // A stack of currently open code blocks + // Labels are used to mark locations in the code that can be the target of a Break (jump) + // operation. These are translated into case clauses in a switch statement. + // The following two arrays are correlated by their index. This approach is used over + // allocating objects to store the same information to avoid GC overhead. + // + var labelOffsets; // The operation offset at which the label is defined. + var labelExpressions; // The NumericLiteral nodes bound to each label. + var nextLabelId = 1; // The next label id to use. + // Operations store information about generated code for the function body. This + // Includes things like statements, assignments, breaks (jumps), and yields. + // The following three arrays are correlated by their index. This approach is used over + // allocating objects to store the same information to avoid GC overhead. + // + var operations; // The operation to perform. + var operationArguments; // The arguments to the operation. + var operationLocations; // The source map location for the operation. + var state; // The name of the state object used by the generator at runtime. + // The following variables store information used by the `build` function: + // + var blockIndex = 0; // The index of the current block. + var labelNumber = 0; // The current label number. + var labelNumbers; + var lastOperationWasAbrupt; // Indicates whether the last operation was abrupt (break/continue). + var lastOperationWasCompletion; // Indicates whether the last operation was a completion (return/throw). + var clauses; // The case clauses generated for labels. + var statements; // The statements for the current label. + var exceptionBlockStack; // A stack of containing exception blocks. + var currentExceptionBlock; // The current exception block. + var withBlockStack; // A stack containing `with` blocks. + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile || (node.transformFlags & 2048 /* TransformFlags.ContainsGenerator */) === 0) { + return node; + } + var visited = ts.visitEachChild(node, visitor, context); + ts.addEmitHelpers(visited, context.readEmitHelpers()); + return visited; + } + /** + * Visits a node. + * + * @param node The node to visit. + */ + function visitor(node) { + var transformFlags = node.transformFlags; + if (inStatementContainingYield) { + return visitJavaScriptInStatementContainingYield(node); + } + else if (inGeneratorFunctionBody) { + return visitJavaScriptInGeneratorFunctionBody(node); + } + else if (ts.isFunctionLikeDeclaration(node) && node.asteriskToken) { + return visitGenerator(node); + } + else if (transformFlags & 2048 /* TransformFlags.ContainsGenerator */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } + /** + * Visits a node that is contained within a statement that contains yield. + * + * @param node The node to visit. + */ + function visitJavaScriptInStatementContainingYield(node) { + switch (node.kind) { + case 240 /* SyntaxKind.DoStatement */: + return visitDoStatement(node); + case 241 /* SyntaxKind.WhileStatement */: + return visitWhileStatement(node); + case 249 /* SyntaxKind.SwitchStatement */: + return visitSwitchStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return visitLabeledStatement(node); + default: + return visitJavaScriptInGeneratorFunctionBody(node); + } + } + /** + * Visits a node that is contained within a generator function. + * + * @param node The node to visit. + */ + function visitJavaScriptInGeneratorFunctionBody(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 213 /* SyntaxKind.FunctionExpression */: + return visitFunctionExpression(node); + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return visitAccessorDeclaration(node); + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatement(node); + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node); + case 243 /* SyntaxKind.ForInStatement */: + return visitForInStatement(node); + case 246 /* SyntaxKind.BreakStatement */: + return visitBreakStatement(node); + case 245 /* SyntaxKind.ContinueStatement */: + return visitContinueStatement(node); + case 247 /* SyntaxKind.ReturnStatement */: + return visitReturnStatement(node); + default: + if (node.transformFlags & 524288 /* TransformFlags.ContainsYield */) { + return visitJavaScriptContainingYield(node); + } + else if (node.transformFlags & (2048 /* TransformFlags.ContainsGenerator */ | 2097152 /* TransformFlags.ContainsHoistedDeclarationOrCompletion */)) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } + } + /** + * Visits a node that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitJavaScriptContainingYield(node) { + switch (node.kind) { + case 221 /* SyntaxKind.BinaryExpression */: + return visitBinaryExpression(node); + case 351 /* SyntaxKind.CommaListExpression */: + return visitCommaListExpression(node); + case 222 /* SyntaxKind.ConditionalExpression */: + return visitConditionalExpression(node); + case 224 /* SyntaxKind.YieldExpression */: + return visitYieldExpression(node); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return visitArrayLiteralExpression(node); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return visitObjectLiteralExpression(node); + case 207 /* SyntaxKind.ElementAccessExpression */: + return visitElementAccessExpression(node); + case 208 /* SyntaxKind.CallExpression */: + return visitCallExpression(node); + case 209 /* SyntaxKind.NewExpression */: + return visitNewExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } + } + /** + * Visits a generator function. + * + * @param node The node to visit. + */ + function visitGenerator(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 213 /* SyntaxKind.FunctionExpression */: + return visitFunctionExpression(node); + default: + return ts.Debug.failBadSyntaxKind(node); + } + } + /** + * Visits a function declaration. + * + * This will be called when one of the following conditions are met: + * - The function declaration is a generator function. + * - The function declaration is contained within the body of a generator function. + * + * @param node The node to visit. + */ + function visitFunctionDeclaration(node) { + // Currently, we only support generators that were originally async functions. + if (node.asteriskToken) { + node = ts.setOriginalNode(ts.setTextRange(factory.createFunctionDeclaration( + /*decorators*/ undefined, node.modifiers, + /*asteriskToken*/ undefined, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, transformGeneratorFunctionBody(node.body)), + /*location*/ node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + if (inGeneratorFunctionBody) { + // Function declarations in a generator function body are hoisted + // to the top of the lexical scope and elided from the current statement. + hoistFunctionDeclaration(node); + return undefined; + } + else { + return node; + } + } + /** + * Visits a function expression. + * + * This will be called when one of the following conditions are met: + * - The function expression is a generator function. + * - The function expression is contained within the body of a generator function. + * + * @param node The node to visit. + */ + function visitFunctionExpression(node) { + // Currently, we only support generators that were originally async functions. + if (node.asteriskToken) { + node = ts.setOriginalNode(ts.setTextRange(factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, node.name, + /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context), + /*type*/ undefined, transformGeneratorFunctionBody(node.body)), + /*location*/ node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + return node; + } + /** + * Visits a get or set accessor declaration. + * + * This will be called when one of the following conditions are met: + * - The accessor is contained within the body of a generator function. + * + * @param node The node to visit. + */ + function visitAccessorDeclaration(node) { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + return node; + } + /** + * Transforms the body of a generator function declaration. + * + * @param node The function body to transform. + */ + function transformGeneratorFunctionBody(body) { + // Save existing generator state + var statements = []; + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + var savedBlocks = blocks; + var savedBlockOffsets = blockOffsets; + var savedBlockActions = blockActions; + var savedBlockStack = blockStack; + var savedLabelOffsets = labelOffsets; + var savedLabelExpressions = labelExpressions; + var savedNextLabelId = nextLabelId; + var savedOperations = operations; + var savedOperationArguments = operationArguments; + var savedOperationLocations = operationLocations; + var savedState = state; + // Initialize generator state + inGeneratorFunctionBody = true; + inStatementContainingYield = false; + blocks = undefined; + blockOffsets = undefined; + blockActions = undefined; + blockStack = undefined; + labelOffsets = undefined; + labelExpressions = undefined; + nextLabelId = 1; + operations = undefined; + operationArguments = undefined; + operationLocations = undefined; + state = factory.createTempVariable(/*recordTempVariable*/ undefined); + // Build the generator + resumeLexicalEnvironment(); + var statementOffset = factory.copyPrologue(body.statements, statements, /*ensureUseStrict*/ false, visitor); + transformAndEmitStatements(body.statements, statementOffset); + var buildResult = build(); + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + statements.push(factory.createReturnStatement(buildResult)); + // Restore previous generator state + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + blocks = savedBlocks; + blockOffsets = savedBlockOffsets; + blockActions = savedBlockActions; + blockStack = savedBlockStack; + labelOffsets = savedLabelOffsets; + labelExpressions = savedLabelExpressions; + nextLabelId = savedNextLabelId; + operations = savedOperations; + operationArguments = savedOperationArguments; + operationLocations = savedOperationLocations; + state = savedState; + return ts.setTextRange(factory.createBlock(statements, body.multiLine), body); + } + /** + * Visits a variable statement. + * + * This will be called when one of the following conditions are met: + * - The variable statement is contained within the body of a generator function. + * + * @param node The node to visit. + */ + function visitVariableStatement(node) { + if (node.transformFlags & 524288 /* TransformFlags.ContainsYield */) { + transformAndEmitVariableDeclarationList(node.declarationList); + return undefined; + } + else { + // Do not hoist custom prologues. + if (ts.getEmitFlags(node) & 1048576 /* EmitFlags.CustomPrologue */) { + return node; + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; + } + return ts.setSourceMapRange(factory.createExpressionStatement(factory.inlineExpressions(ts.map(variables, transformInitializedVariable))), node); + } + } + /** + * Visits a binary expression. + * + * This will be called when one of the following conditions are met: + * - The node contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitBinaryExpression(node) { + var assoc = ts.getExpressionAssociativity(node); + switch (assoc) { + case 0 /* Associativity.Left */: + return visitLeftAssociativeBinaryExpression(node); + case 1 /* Associativity.Right */: + return visitRightAssociativeBinaryExpression(node); + default: + return ts.Debug.assertNever(assoc); + } + } + /** + * Visits a right-associative binary expression containing `yield`. + * + * @param node The node to visit. + */ + function visitRightAssociativeBinaryExpression(node) { + var left = node.left, right = node.right; + if (containsYield(right)) { + var target = void 0; + switch (left.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + // [source] + // a.b = yield; + // + // [intermediate] + // .local _a + // _a = a; + // .yield resumeLabel + // .mark resumeLabel + // _a.b = %sent%; + target = factory.updatePropertyAccessExpression(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); + break; + case 207 /* SyntaxKind.ElementAccessExpression */: + // [source] + // a[b] = yield; + // + // [intermediate] + // .local _a, _b + // _a = a; + // _b = b; + // .yield resumeLabel + // .mark resumeLabel + // _a[_b] = %sent%; + target = factory.updateElementAccessExpression(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); + break; + default: + target = ts.visitNode(left, visitor, ts.isExpression); + break; + } + var operator = node.operatorToken.kind; + if (ts.isCompoundAssignment(operator)) { + return ts.setTextRange(factory.createAssignment(target, ts.setTextRange(factory.createBinaryExpression(cacheExpression(target), ts.getNonAssignmentOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression)), node)), node); + } + else { + return factory.updateBinaryExpression(node, target, node.operatorToken, ts.visitNode(right, visitor, ts.isExpression)); + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitLeftAssociativeBinaryExpression(node) { + if (containsYield(node.right)) { + if (ts.isLogicalOperator(node.operatorToken.kind)) { + return visitLogicalBinaryExpression(node); + } + else if (node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + return visitCommaExpression(node); + } + // [source] + // a() + (yield) + c() + // + // [intermediate] + // .local _a + // _a = a(); + // .yield resumeLabel + // _a + %sent% + c() + return factory.updateBinaryExpression(node, cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)), node.operatorToken, ts.visitNode(node.right, visitor, ts.isExpression)); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a comma expression containing `yield`. + * + * @param node The node to visit. + */ + function visitCommaExpression(node) { + // [source] + // x = a(), yield, b(); + // + // [intermediate] + // a(); + // .yield resumeLabel + // .mark resumeLabel + // x = %sent%, b(); + var pendingExpressions = []; + visit(node.left); + visit(node.right); + return factory.inlineExpressions(pendingExpressions); + function visit(node) { + if (ts.isBinaryExpression(node) && node.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + visit(node.left); + visit(node.right); + } + else { + if (containsYield(node) && pendingExpressions.length > 0) { + emitWorker(1 /* OpCode.Statement */, [factory.createExpressionStatement(factory.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; + } + pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); + } + } + } + /** + * Visits a comma-list expression. + * + * @param node The node to visit. + */ + function visitCommaListExpression(node) { + // flattened version of `visitCommaExpression` + var pendingExpressions = []; + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var elem = _a[_i]; + if (ts.isBinaryExpression(elem) && elem.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + pendingExpressions.push(visitCommaExpression(elem)); + } + else { + if (containsYield(elem) && pendingExpressions.length > 0) { + emitWorker(1 /* OpCode.Statement */, [factory.createExpressionStatement(factory.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; + } + pendingExpressions.push(ts.visitNode(elem, visitor, ts.isExpression)); + } + } + return factory.inlineExpressions(pendingExpressions); + } + /** + * Visits a logical binary expression containing `yield`. + * + * @param node A node to visit. + */ + function visitLogicalBinaryExpression(node) { + // Logical binary expressions (`&&` and `||`) are shortcutting expressions and need + // to be transformed as such: + // + // [source] + // x = a() && yield; + // + // [intermediate] + // .local _a + // _a = a(); + // .brfalse resultLabel, (_a) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .mark resultLabel + // x = _a; + // + // [source] + // x = a() || yield; + // + // [intermediate] + // .local _a + // _a = a(); + // .brtrue resultLabel, (_a) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .mark resultLabel + // x = _a; + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), /*location*/ node.left); + if (node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */) { + // Logical `&&` shortcuts when the left-hand operand is falsey. + emitBreakWhenFalse(resultLabel, resultLocal, /*location*/ node.left); + } + else { + // Logical `||` shortcuts when the left-hand operand is truthy. + emitBreakWhenTrue(resultLabel, resultLocal, /*location*/ node.left); + } + emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), /*location*/ node.right); + markLabel(resultLabel); + return resultLocal; + } + /** + * Visits a conditional expression containing `yield`. + * + * @param node The node to visit. + */ + function visitConditionalExpression(node) { + // [source] + // x = a() ? yield : b(); + // + // [intermediate] + // .local _a + // .brfalse whenFalseLabel, (a()) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .br resultLabel + // .mark whenFalseLabel + // _a = b(); + // .mark resultLabel + // x = _a; + // We only need to perform a specific transformation if a `yield` expression exists + // in either the `whenTrue` or `whenFalse` branches. + // A `yield` in the condition will be handled by the normal visitor. + if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { + var whenFalseLabel = defineLabel(); + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), /*location*/ node.condition); + emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), /*location*/ node.whenTrue); + emitBreak(resultLabel); + markLabel(whenFalseLabel); + emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), /*location*/ node.whenFalse); + markLabel(resultLabel); + return resultLocal; + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a `yield` expression. + * + * @param node The node to visit. + */ + function visitYieldExpression(node) { + // [source] + // x = yield a(); + // + // [intermediate] + // .yield resumeLabel, (a()) + // .mark resumeLabel + // x = %sent%; + var resumeLabel = defineLabel(); + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + if (node.asteriskToken) { + // NOTE: `expression` must be defined for `yield*`. + var iterator = (ts.getEmitFlags(node.expression) & 8388608 /* EmitFlags.Iterator */) === 0 + ? ts.setTextRange(emitHelpers().createValuesHelper(expression), node) + : expression; + emitYieldStar(iterator, /*location*/ node); + } + else { + emitYield(expression, /*location*/ node); + } + markLabel(resumeLabel); + return createGeneratorResume(/*location*/ node); + } + /** + * Visits an ArrayLiteralExpression that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitArrayLiteralExpression(node) { + return visitElements(node.elements, /*leadingElement*/ undefined, /*location*/ undefined, node.multiLine); + } + /** + * Visits an array of expressions containing one or more YieldExpression nodes + * and returns an expression for the resulting value. + * + * @param elements The elements to visit. + * @param multiLine Whether array literals created should be emitted on multiple lines. + */ + function visitElements(elements, leadingElement, location, multiLine) { + // [source] + // ar = [1, yield, 2]; + // + // [intermediate] + // .local _a + // _a = [1]; + // .yield resumeLabel + // .mark resumeLabel + // ar = _a.concat([%sent%, 2]); + var numInitialElements = countInitialNodesWithoutYield(elements); + var temp; + if (numInitialElements > 0) { + temp = declareLocal(); + var initialElements = ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements); + emitAssignment(temp, factory.createArrayLiteralExpression(leadingElement + ? __spreadArray([leadingElement], initialElements, true) : initialElements)); + leadingElement = undefined; + } + var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); + return temp + ? factory.createArrayConcatCall(temp, [factory.createArrayLiteralExpression(expressions, multiLine)]) + : ts.setTextRange(factory.createArrayLiteralExpression(leadingElement ? __spreadArray([leadingElement], expressions, true) : expressions, multiLine), location); + function reduceElement(expressions, element) { + if (containsYield(element) && expressions.length > 0) { + var hasAssignedTemp = temp !== undefined; + if (!temp) { + temp = declareLocal(); + } + emitAssignment(temp, hasAssignedTemp + ? factory.createArrayConcatCall(temp, [factory.createArrayLiteralExpression(expressions, multiLine)]) + : factory.createArrayLiteralExpression(leadingElement ? __spreadArray([leadingElement], expressions, true) : expressions, multiLine)); + leadingElement = undefined; + expressions = []; + } + expressions.push(ts.visitNode(element, visitor, ts.isExpression)); + return expressions; + } + } + function visitObjectLiteralExpression(node) { + // [source] + // o = { + // a: 1, + // b: yield, + // c: 2 + // }; + // + // [intermediate] + // .local _a + // _a = { + // a: 1 + // }; + // .yield resumeLabel + // .mark resumeLabel + // o = (_a.b = %sent%, + // _a.c = 2, + // _a); + var properties = node.properties; + var multiLine = node.multiLine; + var numInitialProperties = countInitialNodesWithoutYield(properties); + var temp = declareLocal(); + emitAssignment(temp, factory.createObjectLiteralExpression(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), multiLine)); + var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); + // TODO(rbuckton): Does this need to be parented? + expressions.push(multiLine ? ts.startOnNewLine(ts.setParent(ts.setTextRange(factory.cloneNode(temp), temp), temp.parent)) : temp); + return factory.inlineExpressions(expressions); + function reduceProperty(expressions, property) { + if (containsYield(property) && expressions.length > 0) { + emitStatement(factory.createExpressionStatement(factory.inlineExpressions(expressions))); + expressions = []; + } + var expression = ts.createExpressionForObjectLiteralElementLike(factory, node, property, temp); + var visited = ts.visitNode(expression, visitor, ts.isExpression); + if (visited) { + if (multiLine) { + ts.startOnNewLine(visited); + } + expressions.push(visited); + } + return expressions; + } + } + /** + * Visits an ElementAccessExpression that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitElementAccessExpression(node) { + if (containsYield(node.argumentExpression)) { + // [source] + // a = x[yield]; + // + // [intermediate] + // .local _a + // _a = x; + // .yield resumeLabel + // .mark resumeLabel + // a = _a[%sent%] + return factory.updateElementAccessExpression(node, cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)), ts.visitNode(node.argumentExpression, visitor, ts.isExpression)); + } + return ts.visitEachChild(node, visitor, context); + } + function visitCallExpression(node) { + if (!ts.isImportCall(node) && ts.forEach(node.arguments, containsYield)) { + // [source] + // a.b(1, yield, 2); + // + // [intermediate] + // .local _a, _b, _c + // _b = (_a = a).b; + // _c = [1]; + // .yield resumeLabel + // .mark resumeLabel + // _b.apply(_a, _c.concat([%sent%, 2])); + var _a = factory.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, /*cacheIdentifiers*/ true), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.setTextRange(factory.createFunctionApplyCall(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments)), node), node); + } + return ts.visitEachChild(node, visitor, context); + } + function visitNewExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + // [source] + // new a.b(1, yield, 2); + // + // [intermediate] + // .local _a, _b, _c + // _b = (_a = a.b).bind; + // _c = [1]; + // .yield resumeLabel + // .mark resumeLabel + // new (_b.apply(_a, _c.concat([%sent%, 2]))); + var _a = factory.createCallBinding(factory.createPropertyAccessExpression(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.setTextRange(factory.createNewExpression(factory.createFunctionApplyCall(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments, + /*leadingElement*/ factory.createVoidZero())), + /*typeArguments*/ undefined, []), node), node); + } + return ts.visitEachChild(node, visitor, context); + } + function transformAndEmitStatements(statements, start) { + if (start === void 0) { start = 0; } + var numStatements = statements.length; + for (var i = start; i < numStatements; i++) { + transformAndEmitStatement(statements[i]); + } + } + function transformAndEmitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + transformAndEmitStatements(node.statements); + } + else { + transformAndEmitStatement(node); + } + } + function transformAndEmitStatement(node) { + var savedInStatementContainingYield = inStatementContainingYield; + if (!inStatementContainingYield) { + inStatementContainingYield = containsYield(node); + } + transformAndEmitStatementWorker(node); + inStatementContainingYield = savedInStatementContainingYield; + } + function transformAndEmitStatementWorker(node) { + switch (node.kind) { + case 235 /* SyntaxKind.Block */: + return transformAndEmitBlock(node); + case 238 /* SyntaxKind.ExpressionStatement */: + return transformAndEmitExpressionStatement(node); + case 239 /* SyntaxKind.IfStatement */: + return transformAndEmitIfStatement(node); + case 240 /* SyntaxKind.DoStatement */: + return transformAndEmitDoStatement(node); + case 241 /* SyntaxKind.WhileStatement */: + return transformAndEmitWhileStatement(node); + case 242 /* SyntaxKind.ForStatement */: + return transformAndEmitForStatement(node); + case 243 /* SyntaxKind.ForInStatement */: + return transformAndEmitForInStatement(node); + case 245 /* SyntaxKind.ContinueStatement */: + return transformAndEmitContinueStatement(node); + case 246 /* SyntaxKind.BreakStatement */: + return transformAndEmitBreakStatement(node); + case 247 /* SyntaxKind.ReturnStatement */: + return transformAndEmitReturnStatement(node); + case 248 /* SyntaxKind.WithStatement */: + return transformAndEmitWithStatement(node); + case 249 /* SyntaxKind.SwitchStatement */: + return transformAndEmitSwitchStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return transformAndEmitLabeledStatement(node); + case 251 /* SyntaxKind.ThrowStatement */: + return transformAndEmitThrowStatement(node); + case 252 /* SyntaxKind.TryStatement */: + return transformAndEmitTryStatement(node); + default: + return emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function transformAndEmitBlock(node) { + if (containsYield(node)) { + transformAndEmitStatements(node.statements); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function transformAndEmitExpressionStatement(node) { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + function transformAndEmitVariableDeclarationList(node) { + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var name = factory.cloneNode(variable.name); + ts.setCommentRange(name, variable.name); + hoistVariableDeclaration(name); + } + var variables = ts.getInitializedVariables(node); + var numVariables = variables.length; + var variablesWritten = 0; + var pendingExpressions = []; + while (variablesWritten < numVariables) { + for (var i = variablesWritten; i < numVariables; i++) { + var variable = variables[i]; + if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + break; + } + pendingExpressions.push(transformInitializedVariable(variable)); + } + if (pendingExpressions.length) { + emitStatement(factory.createExpressionStatement(factory.inlineExpressions(pendingExpressions))); + variablesWritten += pendingExpressions.length; + pendingExpressions = []; + } + } + return undefined; + } + function transformInitializedVariable(node) { + return ts.setSourceMapRange(factory.createAssignment(ts.setSourceMapRange(factory.cloneNode(node.name), node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)), node); + } + function transformAndEmitIfStatement(node) { + if (containsYield(node)) { + // [source] + // if (x) + // /*thenStatement*/ + // else + // /*elseStatement*/ + // + // [intermediate] + // .brfalse elseLabel, (x) + // /*thenStatement*/ + // .br endLabel + // .mark elseLabel + // /*elseStatement*/ + // .mark endLabel + if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { + var endLabel = defineLabel(); + var elseLabel = node.elseStatement ? defineLabel() : undefined; + emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression), /*location*/ node.expression); + transformAndEmitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + emitBreak(endLabel); + markLabel(elseLabel); + transformAndEmitEmbeddedStatement(node.elseStatement); + } + markLabel(endLabel); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function transformAndEmitDoStatement(node) { + if (containsYield(node)) { + // [source] + // do { + // /*body*/ + // } + // while (i < 10); + // + // [intermediate] + // .loop conditionLabel, endLabel + // .mark loopLabel + // /*body*/ + // .mark conditionLabel + // .brtrue loopLabel, (i < 10) + // .endloop + // .mark endLabel + var conditionLabel = defineLabel(); + var loopLabel = defineLabel(); + beginLoopBlock(/*continueLabel*/ conditionLabel); + markLabel(loopLabel); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(conditionLabel); + emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function visitDoStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; + } + else { + return ts.visitEachChild(node, visitor, context); + } + } + function transformAndEmitWhileStatement(node) { + if (containsYield(node)) { + // [source] + // while (i < 10) { + // /*body*/ + // } + // + // [intermediate] + // .loop loopLabel, endLabel + // .mark loopLabel + // .brfalse endLabel, (i < 10) + // /*body*/ + // .br loopLabel + // .endloop + // .mark endLabel + var loopLabel = defineLabel(); + var endLabel = beginLoopBlock(loopLabel); + markLabel(loopLabel); + emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.statement); + emitBreak(loopLabel); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function visitWhileStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; + } + else { + return ts.visitEachChild(node, visitor, context); + } + } + function transformAndEmitForStatement(node) { + if (containsYield(node)) { + // [source] + // for (var i = 0; i < 10; i++) { + // /*body*/ + // } + // + // [intermediate] + // .local i + // i = 0; + // .loop incrementLabel, endLoopLabel + // .mark conditionLabel + // .brfalse endLoopLabel, (i < 10) + // /*body*/ + // .mark incrementLabel + // i++; + // .br conditionLabel + // .endloop + // .mark endLoopLabel + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + if (node.initializer) { + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + transformAndEmitVariableDeclarationList(initializer); + } + else { + emitStatement(ts.setTextRange(factory.createExpressionStatement(ts.visitNode(initializer, visitor, ts.isExpression)), initializer)); + } + } + markLabel(conditionLabel); + if (node.condition) { + emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + } + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + if (node.incrementor) { + emitStatement(ts.setTextRange(factory.createExpressionStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression)), node.incrementor)); + } + emitBreak(conditionLabel); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function visitForStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (initializer && ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(initializer); + node = factory.updateForStatement(node, variables.length > 0 + ? factory.inlineExpressions(ts.map(variables, transformInitializedVariable)) + : undefined, ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitor, ts.isExpression), ts.visitIterationBody(node.statement, visitor, context)); + } + else { + node = ts.visitEachChild(node, visitor, context); + } + if (inStatementContainingYield) { + endLoopBlock(); + } + return node; + } + function transformAndEmitForInStatement(node) { + // TODO(rbuckton): Source map locations + if (containsYield(node)) { + // [source] + // for (var p in o) { + // /*body*/ + // } + // + // [intermediate] + // .local _a, _b, _i + // _a = []; + // for (_b in o) _a.push(_b); + // _i = 0; + // .loop incrementLabel, endLoopLabel + // .mark conditionLabel + // .brfalse endLoopLabel, (_i < _a.length) + // p = _a[_i]; + // /*body*/ + // .mark incrementLabel + // _b++; + // .br conditionLabel + // .endloop + // .mark endLoopLabel + var keysArray = declareLocal(); // _a + var key = declareLocal(); // _b + var keysIndex = factory.createLoopVariable(); // _i + var initializer = node.initializer; + hoistVariableDeclaration(keysIndex); + emitAssignment(keysArray, factory.createArrayLiteralExpression()); + emitStatement(factory.createForInStatement(key, ts.visitNode(node.expression, visitor, ts.isExpression), factory.createExpressionStatement(factory.createCallExpression(factory.createPropertyAccessExpression(keysArray, "push"), + /*typeArguments*/ undefined, [key])))); + emitAssignment(keysIndex, factory.createNumericLiteral(0)); + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + markLabel(conditionLabel); + emitBreakWhenFalse(endLabel, factory.createLessThan(keysIndex, factory.createPropertyAccessExpression(keysArray, "length"))); + var variable = void 0; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable_1 = _a[_i]; + hoistVariableDeclaration(variable_1.name); + } + variable = factory.cloneNode(initializer.declarations[0].name); + } + else { + variable = ts.visitNode(initializer, visitor, ts.isExpression); + ts.Debug.assert(ts.isLeftHandSideExpression(variable)); + } + emitAssignment(variable, factory.createElementAccessExpression(keysArray, keysIndex)); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + emitStatement(factory.createExpressionStatement(factory.createPostfixIncrement(keysIndex))); + emitBreak(conditionLabel); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function visitForInStatement(node) { + // [source] + // for (var x in a) { + // /*body*/ + // } + // + // [intermediate] + // .local x + // .loop + // for (x in a) { + // /*body*/ + // } + // .endloop + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + node = factory.updateForInStatement(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, factory.liftToBlock)); + } + else { + node = ts.visitEachChild(node, visitor, context); + } + if (inStatementContainingYield) { + endLoopBlock(); + } + return node; + } + function transformAndEmitContinueStatement(node) { + var label = findContinueTarget(node.label ? ts.idText(node.label) : undefined); + if (label > 0) { + emitBreak(label, /*location*/ node); + } + else { + // invalid continue without a containing loop. Leave the node as is, per #17875. + emitStatement(node); + } + } + function visitContinueStatement(node) { + if (inStatementContainingYield) { + var label = findContinueTarget(node.label && ts.idText(node.label)); + if (label > 0) { + return createInlineBreak(label, /*location*/ node); + } + } + return ts.visitEachChild(node, visitor, context); + } + function transformAndEmitBreakStatement(node) { + var label = findBreakTarget(node.label ? ts.idText(node.label) : undefined); + if (label > 0) { + emitBreak(label, /*location*/ node); + } + else { + // invalid break without a containing loop, switch, or labeled statement. Leave the node as is, per #17875. + emitStatement(node); + } + } + function visitBreakStatement(node) { + if (inStatementContainingYield) { + var label = findBreakTarget(node.label && ts.idText(node.label)); + if (label > 0) { + return createInlineBreak(label, /*location*/ node); + } + } + return ts.visitEachChild(node, visitor, context); + } + function transformAndEmitReturnStatement(node) { + emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression), + /*location*/ node); + } + function visitReturnStatement(node) { + return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression), + /*location*/ node); + } + function transformAndEmitWithStatement(node) { + if (containsYield(node)) { + // [source] + // with (x) { + // /*body*/ + // } + // + // [intermediate] + // .with (x) + // /*body*/ + // .endwith + beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); + transformAndEmitEmbeddedStatement(node.statement); + endWithBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function transformAndEmitSwitchStatement(node) { + if (containsYield(node.caseBlock)) { + // [source] + // switch (x) { + // case a: + // /*caseStatements*/ + // case b: + // /*caseStatements*/ + // default: + // /*defaultStatements*/ + // } + // + // [intermediate] + // .local _a + // .switch endLabel + // _a = x; + // switch (_a) { + // case a: + // .br clauseLabels[0] + // } + // switch (_a) { + // case b: + // .br clauseLabels[1] + // } + // .br clauseLabels[2] + // .mark clauseLabels[0] + // /*caseStatements*/ + // .mark clauseLabels[1] + // /*caseStatements*/ + // .mark clauseLabels[2] + // /*caseStatements*/ + // .endswitch + // .mark endLabel + var caseBlock = node.caseBlock; + var numClauses = caseBlock.clauses.length; + var endLabel = beginSwitchBlock(); + var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); + // Create labels for each clause and find the index of the first default clause. + var clauseLabels = []; + var defaultClauseIndex = -1; + for (var i = 0; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + clauseLabels.push(defineLabel()); + if (clause.kind === 290 /* SyntaxKind.DefaultClause */ && defaultClauseIndex === -1) { + defaultClauseIndex = i; + } + } + // Emit switch statements for each run of case clauses either from the first case + // clause or the next case clause with a `yield` in its expression, up to the next + // case clause with a `yield` in its expression. + var clausesWritten = 0; + var pendingClauses = []; + while (clausesWritten < numClauses) { + var defaultClausesSkipped = 0; + for (var i = clausesWritten; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + if (clause.kind === 289 /* SyntaxKind.CaseClause */) { + if (containsYield(clause.expression) && pendingClauses.length > 0) { + break; + } + pendingClauses.push(factory.createCaseClause(ts.visitNode(clause.expression, visitor, ts.isExpression), [ + createInlineBreak(clauseLabels[i], /*location*/ clause.expression) + ])); + } + else { + defaultClausesSkipped++; + } + } + if (pendingClauses.length) { + emitStatement(factory.createSwitchStatement(expression, factory.createCaseBlock(pendingClauses))); + clausesWritten += pendingClauses.length; + pendingClauses = []; + } + if (defaultClausesSkipped > 0) { + clausesWritten += defaultClausesSkipped; + defaultClausesSkipped = 0; + } + } + if (defaultClauseIndex >= 0) { + emitBreak(clauseLabels[defaultClauseIndex]); + } + else { + emitBreak(endLabel); + } + for (var i = 0; i < numClauses; i++) { + markLabel(clauseLabels[i]); + transformAndEmitStatements(caseBlock.clauses[i].statements); + } + endSwitchBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function visitSwitchStatement(node) { + if (inStatementContainingYield) { + beginScriptSwitchBlock(); + } + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endSwitchBlock(); + } + return node; + } + function transformAndEmitLabeledStatement(node) { + if (containsYield(node)) { + // [source] + // x: { + // /*body*/ + // } + // + // [intermediate] + // .labeled "x", endLabel + // /*body*/ + // .endlabeled + // .mark endLabel + beginLabeledBlock(ts.idText(node.label)); + transformAndEmitEmbeddedStatement(node.statement); + endLabeledBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function visitLabeledStatement(node) { + if (inStatementContainingYield) { + beginScriptLabeledBlock(ts.idText(node.label)); + } + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endLabeledBlock(); + } + return node; + } + function transformAndEmitThrowStatement(node) { + var _a; + // TODO(rbuckton): `expression` should be required on `throw`. + emitThrow(ts.visitNode((_a = node.expression) !== null && _a !== void 0 ? _a : factory.createVoidZero(), visitor, ts.isExpression), + /*location*/ node); + } + function transformAndEmitTryStatement(node) { + if (containsYield(node)) { + // [source] + // try { + // /*tryBlock*/ + // } + // catch (e) { + // /*catchBlock*/ + // } + // finally { + // /*finallyBlock*/ + // } + // + // [intermediate] + // .local _a + // .try tryLabel, catchLabel, finallyLabel, endLabel + // .mark tryLabel + // .nop + // /*tryBlock*/ + // .br endLabel + // .catch + // .mark catchLabel + // _a = %error%; + // /*catchBlock*/ + // .br endLabel + // .finally + // .mark finallyLabel + // /*finallyBlock*/ + // .endfinally + // .endtry + // .mark endLabel + beginExceptionBlock(); + transformAndEmitEmbeddedStatement(node.tryBlock); + if (node.catchClause) { + beginCatchBlock(node.catchClause.variableDeclaration); // TODO: GH#18217 + transformAndEmitEmbeddedStatement(node.catchClause.block); + } + if (node.finallyBlock) { + beginFinallyBlock(); + transformAndEmitEmbeddedStatement(node.finallyBlock); + } + endExceptionBlock(); + } + else { + emitStatement(ts.visitEachChild(node, visitor, context)); + } + } + function containsYield(node) { + return !!node && (node.transformFlags & 524288 /* TransformFlags.ContainsYield */) !== 0; + } + function countInitialNodesWithoutYield(nodes) { + var numNodes = nodes.length; + for (var i = 0; i < numNodes; i++) { + if (containsYield(nodes[i])) { + return i; + } + } + return -1; + } + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (hint === 1 /* EmitHint.Expression */) { + return substituteExpression(node); + } + return node; + } + function substituteExpression(node) { + if (ts.isIdentifier(node)) { + return substituteExpressionIdentifier(node); + } + return node; + } + function substituteExpressionIdentifier(node) { + if (!ts.isGeneratedIdentifier(node) && renamedCatchVariables && renamedCatchVariables.has(ts.idText(node))) { + var original = ts.getOriginalNode(node); + if (ts.isIdentifier(original) && original.parent) { + var declaration = resolver.getReferencedValueDeclaration(original); + if (declaration) { + var name = renamedCatchVariableDeclarations[ts.getOriginalNodeId(declaration)]; + if (name) { + // TODO(rbuckton): Does this need to be parented? + var clone_6 = ts.setParent(ts.setTextRange(factory.cloneNode(name), name), name.parent); + ts.setSourceMapRange(clone_6, node); + ts.setCommentRange(clone_6, node); + return clone_6; + } + } + } + } + return node; + } + function cacheExpression(node) { + if (ts.isGeneratedIdentifier(node) || ts.getEmitFlags(node) & 4096 /* EmitFlags.HelperName */) { + return node; + } + var temp = factory.createTempVariable(hoistVariableDeclaration); + emitAssignment(temp, node, /*location*/ node); + return temp; + } + function declareLocal(name) { + var temp = name + ? factory.createUniqueName(name) + : factory.createTempVariable(/*recordTempVariable*/ undefined); + hoistVariableDeclaration(temp); + return temp; + } + /** + * Defines a label, uses as the target of a Break operation. + */ + function defineLabel() { + if (!labelOffsets) { + labelOffsets = []; + } + var label = nextLabelId; + nextLabelId++; + labelOffsets[label] = -1; + return label; + } + /** + * Marks the current operation with the specified label. + */ + function markLabel(label) { + ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); + labelOffsets[label] = operations ? operations.length : 0; + } + /** + * Begins a block operation (With, Break/Continue, Try/Catch/Finally) + * + * @param block Information about the block. + */ + function beginBlock(block) { + if (!blocks) { + blocks = []; + blockActions = []; + blockOffsets = []; + blockStack = []; + } + var index = blockActions.length; + blockActions[index] = 0 /* BlockAction.Open */; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.push(block); + return index; + } + /** + * Ends the current block operation. + */ + function endBlock() { + var block = peekBlock(); + if (block === undefined) + return ts.Debug.fail("beginBlock was never called."); + var index = blockActions.length; + blockActions[index] = 1 /* BlockAction.Close */; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.pop(); + return block; + } + /** + * Gets the current open block. + */ + function peekBlock() { + return ts.lastOrUndefined(blockStack); + } + /** + * Gets the kind of the current open block. + */ + function peekBlockKind() { + var block = peekBlock(); + return block && block.kind; + } + /** + * Begins a code block for a generated `with` statement. + * + * @param expression An identifier representing expression for the `with` block. + */ + function beginWithBlock(expression) { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 1 /* CodeBlockKind.With */, + expression: expression, + startLabel: startLabel, + endLabel: endLabel + }); + } + /** + * Ends a code block for a generated `with` statement. + */ + function endWithBlock() { + ts.Debug.assert(peekBlockKind() === 1 /* CodeBlockKind.With */); + var block = endBlock(); + markLabel(block.endLabel); + } + /** + * Begins a code block for a generated `try` statement. + */ + function beginExceptionBlock() { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 0 /* CodeBlockKind.Exception */, + state: 0 /* ExceptionBlockState.Try */, + startLabel: startLabel, + endLabel: endLabel + }); + emitNop(); + return endLabel; + } + /** + * Enters the `catch` clause of a generated `try` statement. + * + * @param variable The catch variable. + */ + function beginCatchBlock(variable) { + ts.Debug.assert(peekBlockKind() === 0 /* CodeBlockKind.Exception */); + // generated identifiers should already be unique within a file + var name; + if (ts.isGeneratedIdentifier(variable.name)) { + name = variable.name; + hoistVariableDeclaration(variable.name); + } + else { + var text = ts.idText(variable.name); + name = declareLocal(text); + if (!renamedCatchVariables) { + renamedCatchVariables = new ts.Map(); + renamedCatchVariableDeclarations = []; + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + } + renamedCatchVariables.set(text, true); + renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; + } + var exception = peekBlock(); + ts.Debug.assert(exception.state < 1 /* ExceptionBlockState.Catch */); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var catchLabel = defineLabel(); + markLabel(catchLabel); + exception.state = 1 /* ExceptionBlockState.Catch */; + exception.catchVariable = name; + exception.catchLabel = catchLabel; + emitAssignment(name, factory.createCallExpression(factory.createPropertyAccessExpression(state, "sent"), /*typeArguments*/ undefined, [])); + emitNop(); + } + /** + * Enters the `finally` block of a generated `try` statement. + */ + function beginFinallyBlock() { + ts.Debug.assert(peekBlockKind() === 0 /* CodeBlockKind.Exception */); + var exception = peekBlock(); + ts.Debug.assert(exception.state < 2 /* ExceptionBlockState.Finally */); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var finallyLabel = defineLabel(); + markLabel(finallyLabel); + exception.state = 2 /* ExceptionBlockState.Finally */; + exception.finallyLabel = finallyLabel; + } + /** + * Ends the code block for a generated `try` statement. + */ + function endExceptionBlock() { + ts.Debug.assert(peekBlockKind() === 0 /* CodeBlockKind.Exception */); + var exception = endBlock(); + var state = exception.state; + if (state < 2 /* ExceptionBlockState.Finally */) { + emitBreak(exception.endLabel); + } + else { + emitEndfinally(); + } + markLabel(exception.endLabel); + emitNop(); + exception.state = 3 /* ExceptionBlockState.Done */; + } + /** + * Begins a code block that supports `break` or `continue` statements that are defined in + * the source tree and not from generated code. + * + * @param labelText Names from containing labeled statements. + */ + function beginScriptLoopBlock() { + beginBlock({ + kind: 3 /* CodeBlockKind.Loop */, + isScript: true, + breakLabel: -1, + continueLabel: -1 + }); + } + /** + * Begins a code block that supports `break` or `continue` statements that are defined in + * generated code. Returns a label used to mark the operation to which to jump when a + * `break` statement targets this block. + * + * @param continueLabel A Label used to mark the operation to which to jump when a + * `continue` statement targets this block. + */ + function beginLoopBlock(continueLabel) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 3 /* CodeBlockKind.Loop */, + isScript: false, + breakLabel: breakLabel, + continueLabel: continueLabel, + }); + return breakLabel; + } + /** + * Ends a code block that supports `break` or `continue` statements that are defined in + * generated code or in the source tree. + */ + function endLoopBlock() { + ts.Debug.assert(peekBlockKind() === 3 /* CodeBlockKind.Loop */); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); + } + } + /** + * Begins a code block that supports `break` statements that are defined in the source + * tree and not from generated code. + * + */ + function beginScriptSwitchBlock() { + beginBlock({ + kind: 2 /* CodeBlockKind.Switch */, + isScript: true, + breakLabel: -1 + }); + } + /** + * Begins a code block that supports `break` statements that are defined in generated code. + * Returns a label used to mark the operation to which to jump when a `break` statement + * targets this block. + */ + function beginSwitchBlock() { + var breakLabel = defineLabel(); + beginBlock({ + kind: 2 /* CodeBlockKind.Switch */, + isScript: false, + breakLabel: breakLabel, + }); + return breakLabel; + } + /** + * Ends a code block that supports `break` statements that are defined in generated code. + */ + function endSwitchBlock() { + ts.Debug.assert(peekBlockKind() === 2 /* CodeBlockKind.Switch */); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); + } + } + function beginScriptLabeledBlock(labelText) { + beginBlock({ + kind: 4 /* CodeBlockKind.Labeled */, + isScript: true, + labelText: labelText, + breakLabel: -1 + }); + } + function beginLabeledBlock(labelText) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 4 /* CodeBlockKind.Labeled */, + isScript: false, + labelText: labelText, + breakLabel: breakLabel + }); + } + function endLabeledBlock() { + ts.Debug.assert(peekBlockKind() === 4 /* CodeBlockKind.Labeled */); + var block = endBlock(); + if (!block.isScript) { + markLabel(block.breakLabel); + } + } + /** + * Indicates whether the provided block supports `break` statements. + * + * @param block A code block. + */ + function supportsUnlabeledBreak(block) { + return block.kind === 2 /* CodeBlockKind.Switch */ + || block.kind === 3 /* CodeBlockKind.Loop */; + } + /** + * Indicates whether the provided block supports `break` statements with labels. + * + * @param block A code block. + */ + function supportsLabeledBreakOrContinue(block) { + return block.kind === 4 /* CodeBlockKind.Labeled */; + } + /** + * Indicates whether the provided block supports `continue` statements. + * + * @param block A code block. + */ + function supportsUnlabeledContinue(block) { + return block.kind === 3 /* CodeBlockKind.Loop */; + } + function hasImmediateContainingLabeledBlock(labelText, start) { + for (var j = start; j >= 0; j--) { + var containingBlock = blockStack[j]; + if (supportsLabeledBreakOrContinue(containingBlock)) { + if (containingBlock.labelText === labelText) { + return true; + } + } + else { + break; + } + } + return false; + } + /** + * Finds the label that is the target for a `break` statement. + * + * @param labelText An optional name of a containing labeled statement. + */ + function findBreakTarget(labelText) { + if (blockStack) { + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { + return block.breakLabel; + } + else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.breakLabel; + } + } + } + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledBreak(block)) { + return block.breakLabel; + } + } + } + } + return 0; + } + /** + * Finds the label that is the target for a `continue` statement. + * + * @param labelText An optional name of a containing labeled statement. + */ + function findContinueTarget(labelText) { + if (blockStack) { + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.continueLabel; + } + } + } + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block)) { + return block.continueLabel; + } + } + } + } + return 0; + } + /** + * Creates an expression that can be used to indicate the value for a label. + * + * @param label A label. + */ + function createLabel(label) { + if (label !== undefined && label > 0) { + if (labelExpressions === undefined) { + labelExpressions = []; + } + var expression = factory.createNumericLiteral(-1); + if (labelExpressions[label] === undefined) { + labelExpressions[label] = [expression]; + } + else { + labelExpressions[label].push(expression); + } + return expression; + } + return factory.createOmittedExpression(); + } + /** + * Creates a numeric literal for the provided instruction. + */ + function createInstruction(instruction) { + var literal = factory.createNumericLiteral(instruction); + ts.addSyntheticTrailingComment(literal, 3 /* SyntaxKind.MultiLineCommentTrivia */, getInstructionName(instruction)); + return literal; + } + /** + * Creates a statement that can be used indicate a Break operation to the provided label. + * + * @param label A label. + * @param location An optional source map location for the statement. + */ + function createInlineBreak(label, location) { + ts.Debug.assertLessThan(0, label, "Invalid label"); + return ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression([ + createInstruction(3 /* Instruction.Break */), + createLabel(label) + ])), location); + } + /** + * Creates a statement that can be used indicate a Return operation. + * + * @param expression The expression for the return statement. + * @param location An optional source map location for the statement. + */ + function createInlineReturn(expression, location) { + return ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression(expression + ? [createInstruction(2 /* Instruction.Return */), expression] + : [createInstruction(2 /* Instruction.Return */)])), location); + } + /** + * Creates an expression that can be used to resume from a Yield operation. + */ + function createGeneratorResume(location) { + return ts.setTextRange(factory.createCallExpression(factory.createPropertyAccessExpression(state, "sent"), + /*typeArguments*/ undefined, []), location); + } + /** + * Emits an empty instruction. + */ + function emitNop() { + emitWorker(0 /* OpCode.Nop */); + } + /** + * Emits a Statement. + * + * @param node A statement. + */ + function emitStatement(node) { + if (node) { + emitWorker(1 /* OpCode.Statement */, [node]); + } + else { + emitNop(); + } + } + /** + * Emits an Assignment operation. + * + * @param left The left-hand side of the assignment. + * @param right The right-hand side of the assignment. + * @param location An optional source map location for the assignment. + */ + function emitAssignment(left, right, location) { + emitWorker(2 /* OpCode.Assign */, [left, right], location); + } + /** + * Emits a Break operation to the specified label. + * + * @param label A label. + * @param location An optional source map location for the assignment. + */ + function emitBreak(label, location) { + emitWorker(3 /* OpCode.Break */, [label], location); + } + /** + * Emits a Break operation to the specified label when a condition evaluates to a truthy + * value at runtime. + * + * @param label A label. + * @param condition The condition. + * @param location An optional source map location for the assignment. + */ + function emitBreakWhenTrue(label, condition, location) { + emitWorker(4 /* OpCode.BreakWhenTrue */, [label, condition], location); + } + /** + * Emits a Break to the specified label when a condition evaluates to a falsey value at + * runtime. + * + * @param label A label. + * @param condition The condition. + * @param location An optional source map location for the assignment. + */ + function emitBreakWhenFalse(label, condition, location) { + emitWorker(5 /* OpCode.BreakWhenFalse */, [label, condition], location); + } + /** + * Emits a YieldStar operation for the provided expression. + * + * @param expression An optional value for the yield operation. + * @param location An optional source map location for the assignment. + */ + function emitYieldStar(expression, location) { + emitWorker(7 /* OpCode.YieldStar */, [expression], location); + } + /** + * Emits a Yield operation for the provided expression. + * + * @param expression An optional value for the yield operation. + * @param location An optional source map location for the assignment. + */ + function emitYield(expression, location) { + emitWorker(6 /* OpCode.Yield */, [expression], location); + } + /** + * Emits a Return operation for the provided expression. + * + * @param expression An optional value for the operation. + * @param location An optional source map location for the assignment. + */ + function emitReturn(expression, location) { + emitWorker(8 /* OpCode.Return */, [expression], location); + } + /** + * Emits a Throw operation for the provided expression. + * + * @param expression A value for the operation. + * @param location An optional source map location for the assignment. + */ + function emitThrow(expression, location) { + emitWorker(9 /* OpCode.Throw */, [expression], location); + } + /** + * Emits an Endfinally operation. This is used to handle `finally` block semantics. + */ + function emitEndfinally() { + emitWorker(10 /* OpCode.Endfinally */); + } + /** + * Emits an operation. + * + * @param code The OpCode for the operation. + * @param args The optional arguments for the operation. + */ + function emitWorker(code, args, location) { + if (operations === undefined) { + operations = []; + operationArguments = []; + operationLocations = []; + } + if (labelOffsets === undefined) { + // mark entry point + markLabel(defineLabel()); + } + var operationIndex = operations.length; + operations[operationIndex] = code; + operationArguments[operationIndex] = args; + operationLocations[operationIndex] = location; + } + /** + * Builds the generator function body. + */ + function build() { + blockIndex = 0; + labelNumber = 0; + labelNumbers = undefined; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + clauses = undefined; + statements = undefined; + exceptionBlockStack = undefined; + currentExceptionBlock = undefined; + withBlockStack = undefined; + var buildResult = buildStatements(); + return emitHelpers().createGeneratorHelper(ts.setEmitFlags(factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, state)], + /*type*/ undefined, factory.createBlock(buildResult, + /*multiLine*/ buildResult.length > 0)), 524288 /* EmitFlags.ReuseTempVariableScope */)); + } + /** + * Builds the statements for the generator function body. + */ + function buildStatements() { + if (operations) { + for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { + writeOperation(operationIndex); + } + flushFinalLabel(operations.length); + } + else { + flushFinalLabel(0); + } + if (clauses) { + var labelExpression = factory.createPropertyAccessExpression(state, "label"); + var switchStatement = factory.createSwitchStatement(labelExpression, factory.createCaseBlock(clauses)); + return [ts.startOnNewLine(switchStatement)]; + } + if (statements) { + return statements; + } + return []; + } + /** + * Flush the current label and advance to a new label. + */ + function flushLabel() { + if (!statements) { + return; + } + appendLabel(/*markLabelEnd*/ !lastOperationWasAbrupt); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + labelNumber++; + } + /** + * Flush the final label of the generator function body. + */ + function flushFinalLabel(operationIndex) { + if (isFinalLabelReachable(operationIndex)) { + tryEnterLabel(operationIndex); + withBlockStack = undefined; + writeReturn(/*expression*/ undefined, /*operationLocation*/ undefined); + } + if (statements && clauses) { + appendLabel(/*markLabelEnd*/ false); + } + updateLabelExpressions(); + } + /** + * Tests whether the final label of the generator function body + * is reachable by user code. + */ + function isFinalLabelReachable(operationIndex) { + // if the last operation was *not* a completion (return/throw) then + // the final label is reachable. + if (!lastOperationWasCompletion) { + return true; + } + // if there are no labels defined or referenced, then the final label is + // not reachable. + if (!labelOffsets || !labelExpressions) { + return false; + } + // if the label for this offset is referenced, then the final label + // is reachable. + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex && labelExpressions[label]) { + return true; + } + } + return false; + } + /** + * Appends a case clause for the last label and sets the new label. + * + * @param markLabelEnd Indicates that the transition between labels was a fall-through + * from a previous case clause and the change in labels should be + * reflected on the `state` object. + */ + function appendLabel(markLabelEnd) { + if (!clauses) { + clauses = []; + } + if (statements) { + if (withBlockStack) { + // The previous label was nested inside one or more `with` blocks, so we + // surround the statements in generated `with` blocks to create the same environment. + for (var i = withBlockStack.length - 1; i >= 0; i--) { + var withBlock = withBlockStack[i]; + statements = [factory.createWithStatement(withBlock.expression, factory.createBlock(statements))]; + } + } + if (currentExceptionBlock) { + // The previous label was nested inside of an exception block, so we must + // indicate entry into a protected region by pushing the label numbers + // for each block in the protected region. + var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; + statements.unshift(factory.createExpressionStatement(factory.createCallExpression(factory.createPropertyAccessExpression(factory.createPropertyAccessExpression(state, "trys"), "push"), + /*typeArguments*/ undefined, [ + factory.createArrayLiteralExpression([ + createLabel(startLabel), + createLabel(catchLabel), + createLabel(finallyLabel), + createLabel(endLabel) + ]) + ]))); + currentExceptionBlock = undefined; + } + if (markLabelEnd) { + // The case clause for the last label falls through to this label, so we + // add an assignment statement to reflect the change in labels. + statements.push(factory.createExpressionStatement(factory.createAssignment(factory.createPropertyAccessExpression(state, "label"), factory.createNumericLiteral(labelNumber + 1)))); + } + } + clauses.push(factory.createCaseClause(factory.createNumericLiteral(labelNumber), statements || [])); + statements = undefined; + } + /** + * Tries to enter into a new label at the current operation index. + */ + function tryEnterLabel(operationIndex) { + if (!labelOffsets) { + return; + } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex) { + flushLabel(); + if (labelNumbers === undefined) { + labelNumbers = []; + } + if (labelNumbers[labelNumber] === undefined) { + labelNumbers[labelNumber] = [label]; + } + else { + labelNumbers[labelNumber].push(label); + } + } + } + } + /** + * Updates literal expressions for labels with actual label numbers. + */ + function updateLabelExpressions() { + if (labelExpressions !== undefined && labelNumbers !== undefined) { + for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { + var labels = labelNumbers[labelNumber_1]; + if (labels !== undefined) { + for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { + var label = labels_1[_i]; + var expressions = labelExpressions[label]; + if (expressions !== undefined) { + for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { + var expression = expressions_1[_a]; + expression.text = String(labelNumber_1); + } + } + } + } + } + } + } + /** + * Tries to enter or leave a code block. + */ + function tryEnterOrLeaveBlock(operationIndex) { + if (blocks) { + for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { + var block = blocks[blockIndex]; + var blockAction = blockActions[blockIndex]; + switch (block.kind) { + case 0 /* CodeBlockKind.Exception */: + if (blockAction === 0 /* BlockAction.Open */) { + if (!exceptionBlockStack) { + exceptionBlockStack = []; + } + if (!statements) { + statements = []; + } + exceptionBlockStack.push(currentExceptionBlock); + currentExceptionBlock = block; + } + else if (blockAction === 1 /* BlockAction.Close */) { + currentExceptionBlock = exceptionBlockStack.pop(); + } + break; + case 1 /* CodeBlockKind.With */: + if (blockAction === 0 /* BlockAction.Open */) { + if (!withBlockStack) { + withBlockStack = []; + } + withBlockStack.push(block); + } + else if (blockAction === 1 /* BlockAction.Close */) { + withBlockStack.pop(); + } + break; + // default: do nothing + } + } + } + } + /** + * Writes an operation as a statement to the current label's statement list. + * + * @param operation The OpCode of the operation + */ + function writeOperation(operationIndex) { + tryEnterLabel(operationIndex); + tryEnterOrLeaveBlock(operationIndex); + // early termination, nothing else to process in this label + if (lastOperationWasAbrupt) { + return; + } + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + var opcode = operations[operationIndex]; + if (opcode === 0 /* OpCode.Nop */) { + return; + } + else if (opcode === 10 /* OpCode.Endfinally */) { + return writeEndfinally(); + } + var args = operationArguments[operationIndex]; + if (opcode === 1 /* OpCode.Statement */) { + return writeStatement(args[0]); + } + var location = operationLocations[operationIndex]; + switch (opcode) { + case 2 /* OpCode.Assign */: + return writeAssign(args[0], args[1], location); + case 3 /* OpCode.Break */: + return writeBreak(args[0], location); + case 4 /* OpCode.BreakWhenTrue */: + return writeBreakWhenTrue(args[0], args[1], location); + case 5 /* OpCode.BreakWhenFalse */: + return writeBreakWhenFalse(args[0], args[1], location); + case 6 /* OpCode.Yield */: + return writeYield(args[0], location); + case 7 /* OpCode.YieldStar */: + return writeYieldStar(args[0], location); + case 8 /* OpCode.Return */: + return writeReturn(args[0], location); + case 9 /* OpCode.Throw */: + return writeThrow(args[0], location); + } + } + /** + * Writes a statement to the current label's statement list. + * + * @param statement A statement to write. + */ + function writeStatement(statement) { + if (statement) { + if (!statements) { + statements = [statement]; + } + else { + statements.push(statement); + } + } + } + /** + * Writes an Assign operation to the current label's statement list. + * + * @param left The left-hand side of the assignment. + * @param right The right-hand side of the assignment. + * @param operationLocation The source map location for the operation. + */ + function writeAssign(left, right, operationLocation) { + writeStatement(ts.setTextRange(factory.createExpressionStatement(factory.createAssignment(left, right)), operationLocation)); + } + /** + * Writes a Throw operation to the current label's statement list. + * + * @param expression The value to throw. + * @param operationLocation The source map location for the operation. + */ + function writeThrow(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.setTextRange(factory.createThrowStatement(expression), operationLocation)); + } + /** + * Writes a Return operation to the current label's statement list. + * + * @param expression The value to return. + * @param operationLocation The source map location for the operation. + */ + function writeReturn(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.setEmitFlags(ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression(expression + ? [createInstruction(2 /* Instruction.Return */), expression] + : [createInstruction(2 /* Instruction.Return */)])), operationLocation), 384 /* EmitFlags.NoTokenSourceMaps */)); + } + /** + * Writes a Break operation to the current label's statement list. + * + * @param label The label for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreak(label, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.setEmitFlags(ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression([ + createInstruction(3 /* Instruction.Break */), + createLabel(label) + ])), operationLocation), 384 /* EmitFlags.NoTokenSourceMaps */)); + } + /** + * Writes a BreakWhenTrue operation to the current label's statement list. + * + * @param label The label for the Break. + * @param condition The condition for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreakWhenTrue(label, condition, operationLocation) { + writeStatement(ts.setEmitFlags(factory.createIfStatement(condition, ts.setEmitFlags(ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression([ + createInstruction(3 /* Instruction.Break */), + createLabel(label) + ])), operationLocation), 384 /* EmitFlags.NoTokenSourceMaps */)), 1 /* EmitFlags.SingleLine */)); + } + /** + * Writes a BreakWhenFalse operation to the current label's statement list. + * + * @param label The label for the Break. + * @param condition The condition for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreakWhenFalse(label, condition, operationLocation) { + writeStatement(ts.setEmitFlags(factory.createIfStatement(factory.createLogicalNot(condition), ts.setEmitFlags(ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression([ + createInstruction(3 /* Instruction.Break */), + createLabel(label) + ])), operationLocation), 384 /* EmitFlags.NoTokenSourceMaps */)), 1 /* EmitFlags.SingleLine */)); + } + /** + * Writes a Yield operation to the current label's statement list. + * + * @param expression The expression to yield. + * @param operationLocation The source map location for the operation. + */ + function writeYield(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.setEmitFlags(ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression(expression + ? [createInstruction(4 /* Instruction.Yield */), expression] + : [createInstruction(4 /* Instruction.Yield */)])), operationLocation), 384 /* EmitFlags.NoTokenSourceMaps */)); + } + /** + * Writes a YieldStar instruction to the current label's statement list. + * + * @param expression The expression to yield. + * @param operationLocation The source map location for the operation. + */ + function writeYieldStar(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.setEmitFlags(ts.setTextRange(factory.createReturnStatement(factory.createArrayLiteralExpression([ + createInstruction(5 /* Instruction.YieldStar */), + expression + ])), operationLocation), 384 /* EmitFlags.NoTokenSourceMaps */)); + } + /** + * Writes an Endfinally instruction to the current label's statement list. + */ + function writeEndfinally() { + lastOperationWasAbrupt = true; + writeStatement(factory.createReturnStatement(factory.createArrayLiteralExpression([ + createInstruction(7 /* Instruction.Endfinally */) + ]))); + } + } + ts.transformGenerators = transformGenerators; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformModule(context) { + function getTransformModuleDelegate(moduleKind) { + switch (moduleKind) { + case ts.ModuleKind.AMD: return transformAMDModule; + case ts.ModuleKind.UMD: return transformUMDModule; + default: return transformCommonJSModule; + } + } + var factory = context.factory, emitHelpers = context.getEmitHelperFactory, startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(208 /* SyntaxKind.CallExpression */); // Substitute calls to imported/exported symbols to avoid incorrect `this`. + context.enableSubstitution(210 /* SyntaxKind.TaggedTemplateExpression */); // Substitute calls to imported/exported symbols to avoid incorrect `this`. + context.enableSubstitution(79 /* SyntaxKind.Identifier */); // Substitutes expression identifiers with imported/exported symbols. + context.enableSubstitution(221 /* SyntaxKind.BinaryExpression */); // Substitutes assignments to exported symbols. + context.enableSubstitution(297 /* SyntaxKind.ShorthandPropertyAssignment */); // Substitutes shorthand property assignments for imported/exported symbols. + context.enableEmitNotification(305 /* SyntaxKind.SourceFile */); // Restore state when substituting nodes in a file. + var moduleInfoMap = []; // The ExternalModuleInfo for each file. + var deferredExports = []; // Exports to defer until an EndOfDeclarationMarker is found. + var currentSourceFile; // The current file. + var currentModuleInfo; // The ExternalModuleInfo for the current file. + var noSubstitution = []; // Set of nodes for which substitution rules should be ignored. + var needUMDDynamicImportHelper; + return ts.chainBundle(context, transformSourceFile); + /** + * Transforms the module aspects of a SourceFile. + * + * @param node The SourceFile node. + */ + function transformSourceFile(node) { + if (node.isDeclarationFile || + !(ts.isEffectiveExternalModule(node, compilerOptions) || + node.transformFlags & 4194304 /* TransformFlags.ContainsDynamicImport */ || + (ts.isJsonSourceFile(node) && ts.hasJsonModuleEmitEnabled(compilerOptions) && ts.outFile(compilerOptions)))) { + return node; + } + currentSourceFile = node; + currentModuleInfo = ts.collectExternalModuleInfo(context, node, resolver, compilerOptions); + moduleInfoMap[ts.getOriginalNodeId(node)] = currentModuleInfo; + // Perform the transformation. + var transformModule = getTransformModuleDelegate(moduleKind); + var updated = transformModule(node); + currentSourceFile = undefined; + currentModuleInfo = undefined; + needUMDDynamicImportHelper = false; + return updated; + } + function shouldEmitUnderscoreUnderscoreESModule() { + if (!currentModuleInfo.exportEquals && ts.isExternalModule(currentSourceFile)) { + return true; + } + return false; + } + /** + * Transforms a SourceFile into a CommonJS module. + * + * @param node The SourceFile node. + */ + function transformCommonJSModule(node) { + startLexicalEnvironment(); + var statements = []; + var ensureUseStrict = ts.getStrictOptionValue(compilerOptions, "alwaysStrict") || (!compilerOptions.noImplicitUseStrict && ts.isExternalModule(currentSourceFile)); + var statementOffset = factory.copyPrologue(node.statements, statements, ensureUseStrict && !ts.isJsonSourceFile(node), topLevelVisitor); + if (shouldEmitUnderscoreUnderscoreESModule()) { + ts.append(statements, createUnderscoreUnderscoreESModule()); + } + if (ts.length(currentModuleInfo.exportedNames)) { + var chunkSize = 50; + for (var i = 0; i < currentModuleInfo.exportedNames.length; i += chunkSize) { + ts.append(statements, factory.createExpressionStatement(ts.reduceLeft(currentModuleInfo.exportedNames.slice(i, i + chunkSize), function (prev, nextId) { return factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), factory.createIdentifier(ts.idText(nextId))), prev); }, factory.createVoidZero()))); + } + } + ts.append(statements, ts.visitNode(currentModuleInfo.externalHelpersImportDeclaration, topLevelVisitor, ts.isStatement)); + ts.addRange(statements, ts.visitNodes(node.statements, topLevelVisitor, ts.isStatement, statementOffset)); + addExportEqualsIfNeeded(statements, /*emitAsReturn*/ false); + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + var updated = factory.updateSourceFile(node, ts.setTextRange(factory.createNodeArray(statements), node.statements)); + ts.addEmitHelpers(updated, context.readEmitHelpers()); + return updated; + } + /** + * Transforms a SourceFile into an AMD module. + * + * @param node The SourceFile node. + */ + function transformAMDModule(node) { + var define = factory.createIdentifier("define"); + var moduleName = ts.tryGetModuleNameFromFile(factory, node, host, compilerOptions); + var jsonSourceFile = ts.isJsonSourceFile(node) && node; + // An AMD define function has the following shape: + // + // define(id?, dependencies?, factory); + // + // This has the shape of the following: + // + // define(name, ["module1", "module2"], function (module1Alias) { ... } + // + // The location of the alias in the parameter list in the factory function needs to + // match the position of the module name in the dependency list. + // + // To ensure this is true in cases of modules with no aliases, e.g.: + // + // import "module" + // + // or + // + // /// + // + // we need to add modules without alias names to the end of the dependencies list + var _a = collectAsynchronousDependencies(node, /*includeNonAmdDependencies*/ true), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + // Create an updated SourceFile: + // + // define(mofactory.updateSourceFile", "module2"], function ... + var updated = factory.updateSourceFile(node, ts.setTextRange(factory.createNodeArray([ + factory.createExpressionStatement(factory.createCallExpression(define, + /*typeArguments*/ undefined, __spreadArray(__spreadArray([], (moduleName ? [moduleName] : []), true), [ + // Add the dependency array argument: + // + // ["require", "exports", module1", "module2", ...] + factory.createArrayLiteralExpression(jsonSourceFile ? ts.emptyArray : __spreadArray(__spreadArray([ + factory.createStringLiteral("require"), + factory.createStringLiteral("exports") + ], aliasedModuleNames, true), unaliasedModuleNames, true)), + // Add the module body function argument: + // + // function (require, exports, module1, module2) ... + jsonSourceFile ? + jsonSourceFile.statements.length ? jsonSourceFile.statements[0].expression : factory.createObjectLiteralExpression() : + factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, __spreadArray([ + factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "require"), + factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "exports") + ], importAliasNames, true), + /*type*/ undefined, transformAsynchronousModuleBody(node)) + ], false))) + ]), + /*location*/ node.statements)); + ts.addEmitHelpers(updated, context.readEmitHelpers()); + return updated; + } + /** + * Transforms a SourceFile into a UMD module. + * + * @param node The SourceFile node. + */ + function transformUMDModule(node) { + var _a = collectAsynchronousDependencies(node, /*includeNonAmdDependencies*/ false), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + var moduleName = ts.tryGetModuleNameFromFile(factory, node, host, compilerOptions); + var umdHeader = factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "factory")], + /*type*/ undefined, ts.setTextRange(factory.createBlock([ + factory.createIfStatement(factory.createLogicalAnd(factory.createTypeCheck(factory.createIdentifier("module"), "object"), factory.createTypeCheck(factory.createPropertyAccessExpression(factory.createIdentifier("module"), "exports"), "object")), factory.createBlock([ + factory.createVariableStatement( + /*modifiers*/ undefined, [ + factory.createVariableDeclaration("v", + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createCallExpression(factory.createIdentifier("factory"), + /*typeArguments*/ undefined, [ + factory.createIdentifier("require"), + factory.createIdentifier("exports") + ])) + ]), + ts.setEmitFlags(factory.createIfStatement(factory.createStrictInequality(factory.createIdentifier("v"), factory.createIdentifier("undefined")), factory.createExpressionStatement(factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("module"), "exports"), factory.createIdentifier("v")))), 1 /* EmitFlags.SingleLine */) + ]), factory.createIfStatement(factory.createLogicalAnd(factory.createTypeCheck(factory.createIdentifier("define"), "function"), factory.createPropertyAccessExpression(factory.createIdentifier("define"), "amd")), factory.createBlock([ + factory.createExpressionStatement(factory.createCallExpression(factory.createIdentifier("define"), + /*typeArguments*/ undefined, __spreadArray(__spreadArray([], (moduleName ? [moduleName] : []), true), [ + factory.createArrayLiteralExpression(__spreadArray(__spreadArray([ + factory.createStringLiteral("require"), + factory.createStringLiteral("exports") + ], aliasedModuleNames, true), unaliasedModuleNames, true)), + factory.createIdentifier("factory") + ], false))) + ]))) + ], + /*multiLine*/ true), + /*location*/ undefined)); + // Create an updated SourceFile: + // + // (function (factory) { + // if (typeof module === "object" && typeof module.exports === "object") { + // var v = factory(require, exports); + // if (v !== undefined) module.exports = v; + // } + // else if (typeof define === 'function' && define.amd) { + // define(["require", "exports"], factory); + // } + // })(function ...) + var updated = factory.updateSourceFile(node, ts.setTextRange(factory.createNodeArray([ + factory.createExpressionStatement(factory.createCallExpression(umdHeader, + /*typeArguments*/ undefined, [ + // Add the module body function argument: + // + // function (require, exports) ... + factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, __spreadArray([ + factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "require"), + factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "exports") + ], importAliasNames, true), + /*type*/ undefined, transformAsynchronousModuleBody(node)) + ])) + ]), + /*location*/ node.statements)); + ts.addEmitHelpers(updated, context.readEmitHelpers()); + return updated; + } + /** + * Collect the additional asynchronous dependencies for the module. + * + * @param node The source file. + * @param includeNonAmdDependencies A value indicating whether to include non-AMD dependencies. + */ + function collectAsynchronousDependencies(node, includeNonAmdDependencies) { + // names of modules with corresponding parameter in the factory function + var aliasedModuleNames = []; + // names of modules with no corresponding parameters in factory function + var unaliasedModuleNames = []; + // names of the parameters in the factory function; these + // parameters need to match the indexes of the corresponding + // module names in aliasedModuleNames. + var importAliasNames = []; + // Fill in amd-dependency tags + for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { + var amdDependency = _a[_i]; + if (amdDependency.name) { + aliasedModuleNames.push(factory.createStringLiteral(amdDependency.path)); + importAliasNames.push(factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, amdDependency.name)); + } + else { + unaliasedModuleNames.push(factory.createStringLiteral(amdDependency.path)); + } + } + for (var _b = 0, _c = currentModuleInfo.externalImports; _b < _c.length; _b++) { + var importNode = _c[_b]; + // Find the name of the external module + var externalModuleName = ts.getExternalModuleNameLiteral(factory, importNode, currentSourceFile, host, resolver, compilerOptions); + // Find the name of the module alias, if there is one + var importAliasName = ts.getLocalNameForExternalImport(factory, importNode, currentSourceFile); + // It is possible that externalModuleName is undefined if it is not string literal. + // This can happen in the invalid import syntax. + // E.g : "import * from alias from 'someLib';" + if (externalModuleName) { + if (includeNonAmdDependencies && importAliasName) { + // Set emitFlags on the name of the classDeclaration + // This is so that when printer will not substitute the identifier + ts.setEmitFlags(importAliasName, 4 /* EmitFlags.NoSubstitution */); + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, importAliasName)); + } + else { + unaliasedModuleNames.push(externalModuleName); + } + } + } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function getAMDImportExpressionForImport(node) { + if (ts.isImportEqualsDeclaration(node) || ts.isExportDeclaration(node) || !ts.getExternalModuleNameLiteral(factory, node, currentSourceFile, host, resolver, compilerOptions)) { + return undefined; + } + var name = ts.getLocalNameForExternalImport(factory, node, currentSourceFile); // TODO: GH#18217 + var expr = getHelperExpressionForImport(node, name); + if (expr === name) { + return undefined; + } + return factory.createExpressionStatement(factory.createAssignment(name, expr)); + } + /** + * Transforms a SourceFile into an AMD or UMD module body. + * + * @param node The SourceFile node. + */ + function transformAsynchronousModuleBody(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = factory.copyPrologue(node.statements, statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, topLevelVisitor); + if (shouldEmitUnderscoreUnderscoreESModule()) { + ts.append(statements, createUnderscoreUnderscoreESModule()); + } + if (ts.length(currentModuleInfo.exportedNames)) { + ts.append(statements, factory.createExpressionStatement(ts.reduceLeft(currentModuleInfo.exportedNames, function (prev, nextId) { return factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), factory.createIdentifier(ts.idText(nextId))), prev); }, factory.createVoidZero()))); + } + // Visit each statement of the module body. + ts.append(statements, ts.visitNode(currentModuleInfo.externalHelpersImportDeclaration, topLevelVisitor, ts.isStatement)); + if (moduleKind === ts.ModuleKind.AMD) { + ts.addRange(statements, ts.mapDefined(currentModuleInfo.externalImports, getAMDImportExpressionForImport)); + } + ts.addRange(statements, ts.visitNodes(node.statements, topLevelVisitor, ts.isStatement, statementOffset)); + // Append the 'export =' statement if provided. + addExportEqualsIfNeeded(statements, /*emitAsReturn*/ true); + // End the lexical environment for the module body + // and merge any new lexical declarations. + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + var body = factory.createBlock(statements, /*multiLine*/ true); + if (needUMDDynamicImportHelper) { + ts.addEmitHelper(body, dynamicImportUMDHelper); + } + return body; + } + /** + * Adds the down-level representation of `export=` to the statement list if one exists + * in the source file. + * + * @param statements The Statement list to modify. + * @param emitAsReturn A value indicating whether to emit the `export=` statement as a + * return statement. + */ + function addExportEqualsIfNeeded(statements, emitAsReturn) { + if (currentModuleInfo.exportEquals) { + var expressionResult = ts.visitNode(currentModuleInfo.exportEquals.expression, visitor); + if (expressionResult) { + if (emitAsReturn) { + var statement = factory.createReturnStatement(expressionResult); + ts.setTextRange(statement, currentModuleInfo.exportEquals); + ts.setEmitFlags(statement, 384 /* EmitFlags.NoTokenSourceMaps */ | 1536 /* EmitFlags.NoComments */); + statements.push(statement); + } + else { + var statement = factory.createExpressionStatement(factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("module"), "exports"), expressionResult)); + ts.setTextRange(statement, currentModuleInfo.exportEquals); + ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */); + statements.push(statement); + } + } + } + } + // + // Top-Level Source Element Visitors + // + /** + * Visits a node at the top level of the source file. + * + * @param node The node to visit. + */ + function topLevelVisitor(node) { + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + return visitImportDeclaration(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 272 /* SyntaxKind.ExportDeclaration */: + return visitExportDeclaration(node); + case 271 /* SyntaxKind.ExportAssignment */: + return visitExportAssignment(node); + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatement(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 257 /* SyntaxKind.ClassDeclaration */: + return visitClassDeclaration(node); + case 352 /* SyntaxKind.MergeDeclarationMarker */: + return visitMergeDeclarationMarker(node); + case 353 /* SyntaxKind.EndOfDeclarationMarker */: + return visitEndOfDeclarationMarker(node); + default: + return visitor(node); + } + } + function visitorWorker(node, valueIsDiscarded) { + // This visitor does not need to descend into the tree if there is no dynamic import, destructuring assignment, or update expression + // as export/import statements are only transformed at the top level of a file. + if (!(node.transformFlags & (4194304 /* TransformFlags.ContainsDynamicImport */ | 4096 /* TransformFlags.ContainsDestructuringAssignment */ | 67108864 /* TransformFlags.ContainsUpdateExpressionForIdentifier */))) { + return node; + } + switch (node.kind) { + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node); + case 238 /* SyntaxKind.ExpressionStatement */: + return visitExpressionStatement(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return visitParenthesizedExpression(node, valueIsDiscarded); + case 350 /* SyntaxKind.PartiallyEmittedExpression */: + return visitPartiallyEmittedExpression(node, valueIsDiscarded); + case 208 /* SyntaxKind.CallExpression */: + if (ts.isImportCall(node) && currentSourceFile.impliedNodeFormat === undefined) { + return visitImportCallExpression(node); + } + break; + case 221 /* SyntaxKind.BinaryExpression */: + if (ts.isDestructuringAssignment(node)) { + return visitDestructuringAssignment(node, valueIsDiscarded); + } + break; + case 219 /* SyntaxKind.PrefixUnaryExpression */: + case 220 /* SyntaxKind.PostfixUnaryExpression */: + return visitPreOrPostfixUnaryExpression(node, valueIsDiscarded); + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + return visitorWorker(node, /*valueIsDiscarded*/ false); + } + function discardedValueVisitor(node) { + return visitorWorker(node, /*valueIsDiscarded*/ true); + } + function destructuringNeedsFlattening(node) { + if (ts.isObjectLiteralExpression(node)) { + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var elem = _a[_i]; + switch (elem.kind) { + case 296 /* SyntaxKind.PropertyAssignment */: + if (destructuringNeedsFlattening(elem.initializer)) { + return true; + } + break; + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + if (destructuringNeedsFlattening(elem.name)) { + return true; + } + break; + case 298 /* SyntaxKind.SpreadAssignment */: + if (destructuringNeedsFlattening(elem.expression)) { + return true; + } + break; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return false; + default: ts.Debug.assertNever(elem, "Unhandled object member kind"); + } + } + } + else if (ts.isArrayLiteralExpression(node)) { + for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { + var elem = _c[_b]; + if (ts.isSpreadElement(elem)) { + if (destructuringNeedsFlattening(elem.expression)) { + return true; + } + } + else if (destructuringNeedsFlattening(elem)) { + return true; + } + } + } + else if (ts.isIdentifier(node)) { + return ts.length(getExports(node)) > (ts.isExportName(node) ? 1 : 0); + } + return false; + } + function visitDestructuringAssignment(node, valueIsDiscarded) { + if (destructuringNeedsFlattening(node.left)) { + return ts.flattenDestructuringAssignment(node, visitor, context, 0 /* FlattenLevel.All */, !valueIsDiscarded, createAllExportExpressions); + } + return ts.visitEachChild(node, visitor, context); + } + function visitForStatement(node) { + return factory.updateForStatement(node, ts.visitNode(node.initializer, discardedValueVisitor, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, discardedValueVisitor, ts.isExpression), ts.visitIterationBody(node.statement, visitor, context)); + } + function visitExpressionStatement(node) { + return factory.updateExpressionStatement(node, ts.visitNode(node.expression, discardedValueVisitor, ts.isExpression)); + } + function visitParenthesizedExpression(node, valueIsDiscarded) { + return factory.updateParenthesizedExpression(node, ts.visitNode(node.expression, valueIsDiscarded ? discardedValueVisitor : visitor, ts.isExpression)); + } + function visitPartiallyEmittedExpression(node, valueIsDiscarded) { + return factory.updatePartiallyEmittedExpression(node, ts.visitNode(node.expression, valueIsDiscarded ? discardedValueVisitor : visitor, ts.isExpression)); + } + function visitPreOrPostfixUnaryExpression(node, valueIsDiscarded) { + // When we see a prefix or postfix increment expression whose operand is an exported + // symbol, we should ensure all exports of that symbol are updated with the correct + // value. + // + // - We do not transform generated identifiers for any reason. + // - We do not transform identifiers tagged with the LocalName flag. + // - We do not transform identifiers that were originally the name of an enum or + // namespace due to how they are transformed in TypeScript. + // - We only transform identifiers that are exported at the top level. + if ((node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */) + && ts.isIdentifier(node.operand) + && !ts.isGeneratedIdentifier(node.operand) + && !ts.isLocalName(node.operand) + && !ts.isDeclarationNameOfEnumOrNamespace(node.operand)) { + var exportedNames = getExports(node.operand); + if (exportedNames) { + var temp = void 0; + var expression = ts.visitNode(node.operand, visitor, ts.isExpression); + if (ts.isPrefixUnaryExpression(node)) { + expression = factory.updatePrefixUnaryExpression(node, expression); + } + else { + expression = factory.updatePostfixUnaryExpression(node, expression); + if (!valueIsDiscarded) { + temp = factory.createTempVariable(hoistVariableDeclaration); + expression = factory.createAssignment(temp, expression); + ts.setTextRange(expression, node); + } + expression = factory.createComma(expression, factory.cloneNode(node.operand)); + ts.setTextRange(expression, node); + } + for (var _i = 0, exportedNames_1 = exportedNames; _i < exportedNames_1.length; _i++) { + var exportName = exportedNames_1[_i]; + noSubstitution[ts.getNodeId(expression)] = true; + expression = createExportExpression(exportName, expression); + ts.setTextRange(expression, node); + } + if (temp) { + noSubstitution[ts.getNodeId(expression)] = true; + expression = factory.createComma(expression, temp); + ts.setTextRange(expression, node); + } + return expression; + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitImportCallExpression(node) { + var externalModuleName = ts.getExternalModuleNameLiteral(factory, node, currentSourceFile, host, resolver, compilerOptions); + var firstArgument = ts.visitNode(ts.firstOrUndefined(node.arguments), visitor); + // Only use the external module name if it differs from the first argument. This allows us to preserve the quote style of the argument on output. + var argument = externalModuleName && (!firstArgument || !ts.isStringLiteral(firstArgument) || firstArgument.text !== externalModuleName.text) ? externalModuleName : firstArgument; + var containsLexicalThis = !!(node.transformFlags & 8192 /* TransformFlags.ContainsLexicalThis */); + switch (compilerOptions.module) { + case ts.ModuleKind.AMD: + return createImportCallExpressionAMD(argument, containsLexicalThis); + case ts.ModuleKind.UMD: + return createImportCallExpressionUMD(argument !== null && argument !== void 0 ? argument : factory.createVoidZero(), containsLexicalThis); + case ts.ModuleKind.CommonJS: + default: + return createImportCallExpressionCommonJS(argument, containsLexicalThis); + } + } + function createImportCallExpressionUMD(arg, containsLexicalThis) { + // (function (factory) { + // ... (regular UMD) + // } + // })(function (require, exports, useSyncRequire) { + // "use strict"; + // Object.defineProperty(exports, "__esModule", { value: true }); + // var __syncRequire = typeof module === "object" && typeof module.exports === "object"; + // var __resolved = new Promise(function (resolve) { resolve(); }); + // ..... + // __syncRequire + // ? __resolved.then(function () { return require(x); }) /*CommonJs Require*/ + // : new Promise(function (_a, _b) { require([x], _a, _b); }); /*Amd Require*/ + // }); + needUMDDynamicImportHelper = true; + if (ts.isSimpleCopiableExpression(arg)) { + var argClone = ts.isGeneratedIdentifier(arg) ? arg : ts.isStringLiteral(arg) ? factory.createStringLiteralFromNode(arg) : ts.setEmitFlags(ts.setTextRange(factory.cloneNode(arg), arg), 1536 /* EmitFlags.NoComments */); + return factory.createConditionalExpression( + /*condition*/ factory.createIdentifier("__syncRequire"), + /*questionToken*/ undefined, + /*whenTrue*/ createImportCallExpressionCommonJS(arg, containsLexicalThis), + /*colonToken*/ undefined, + /*whenFalse*/ createImportCallExpressionAMD(argClone, containsLexicalThis)); + } + else { + var temp = factory.createTempVariable(hoistVariableDeclaration); + return factory.createComma(factory.createAssignment(temp, arg), factory.createConditionalExpression( + /*condition*/ factory.createIdentifier("__syncRequire"), + /*questionToken*/ undefined, + /*whenTrue*/ createImportCallExpressionCommonJS(temp, containsLexicalThis), + /*colonToken*/ undefined, + /*whenFalse*/ createImportCallExpressionAMD(temp, containsLexicalThis))); + } + } + function createImportCallExpressionAMD(arg, containsLexicalThis) { + // improt("./blah") + // emit as + // define(["require", "exports", "blah"], function (require, exports) { + // ... + // new Promise(function (_a, _b) { require([x], _a, _b); }); /*Amd Require*/ + // }); + var resolve = factory.createUniqueName("resolve"); + var reject = factory.createUniqueName("reject"); + var parameters = [ + factory.createParameterDeclaration(/*decorator*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, /*name*/ resolve), + factory.createParameterDeclaration(/*decorator*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, /*name*/ reject) + ]; + var body = factory.createBlock([ + factory.createExpressionStatement(factory.createCallExpression(factory.createIdentifier("require"), + /*typeArguments*/ undefined, [factory.createArrayLiteralExpression([arg || factory.createOmittedExpression()]), resolve, reject])) + ]); + var func; + if (languageVersion >= 2 /* ScriptTarget.ES2015 */) { + func = factory.createArrowFunction( + /*modifiers*/ undefined, + /*typeParameters*/ undefined, parameters, + /*type*/ undefined, + /*equalsGreaterThanToken*/ undefined, body); + } + else { + func = factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, parameters, + /*type*/ undefined, body); + // if there is a lexical 'this' in the import call arguments, ensure we indicate + // that this new function expression indicates it captures 'this' so that the + // es2015 transformer will properly substitute 'this' with '_this'. + if (containsLexicalThis) { + ts.setEmitFlags(func, 8 /* EmitFlags.CapturesThis */); + } + } + var promise = factory.createNewExpression(factory.createIdentifier("Promise"), /*typeArguments*/ undefined, [func]); + if (ts.getESModuleInterop(compilerOptions)) { + return factory.createCallExpression(factory.createPropertyAccessExpression(promise, factory.createIdentifier("then")), /*typeArguments*/ undefined, [emitHelpers().createImportStarCallbackHelper()]); + } + return promise; + } + function createImportCallExpressionCommonJS(arg, containsLexicalThis) { + // import("./blah") + // emit as + // Promise.resolve().then(function () { return require(x); }) /*CommonJs Require*/ + // We have to wrap require in then callback so that require is done in asynchronously + // if we simply do require in resolve callback in Promise constructor. We will execute the loading immediately + var promiseResolveCall = factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("Promise"), "resolve"), /*typeArguments*/ undefined, /*argumentsArray*/ []); + var requireCall = factory.createCallExpression(factory.createIdentifier("require"), /*typeArguments*/ undefined, arg ? [arg] : []); + if (ts.getESModuleInterop(compilerOptions)) { + requireCall = emitHelpers().createImportStarHelper(requireCall); + } + var func; + if (languageVersion >= 2 /* ScriptTarget.ES2015 */) { + func = factory.createArrowFunction( + /*modifiers*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, + /*equalsGreaterThanToken*/ undefined, requireCall); + } + else { + func = factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, factory.createBlock([factory.createReturnStatement(requireCall)])); + // if there is a lexical 'this' in the import call arguments, ensure we indicate + // that this new function expression indicates it captures 'this' so that the + // es2015 transformer will properly substitute 'this' with '_this'. + if (containsLexicalThis) { + ts.setEmitFlags(func, 8 /* EmitFlags.CapturesThis */); + } + } + return factory.createCallExpression(factory.createPropertyAccessExpression(promiseResolveCall, "then"), /*typeArguments*/ undefined, [func]); + } + function getHelperExpressionForExport(node, innerExpr) { + if (!ts.getESModuleInterop(compilerOptions) || ts.getEmitFlags(node) & 67108864 /* EmitFlags.NeverApplyImportHelper */) { + return innerExpr; + } + if (ts.getExportNeedsImportStarHelper(node)) { + return emitHelpers().createImportStarHelper(innerExpr); + } + return innerExpr; + } + function getHelperExpressionForImport(node, innerExpr) { + if (!ts.getESModuleInterop(compilerOptions) || ts.getEmitFlags(node) & 67108864 /* EmitFlags.NeverApplyImportHelper */) { + return innerExpr; + } + if (ts.getImportNeedsImportStarHelper(node)) { + return emitHelpers().createImportStarHelper(innerExpr); + } + if (ts.getImportNeedsImportDefaultHelper(node)) { + return emitHelpers().createImportDefaultHelper(innerExpr); + } + return innerExpr; + } + /** + * Visits an ImportDeclaration node. + * + * @param node The node to visit. + */ + function visitImportDeclaration(node) { + var statements; + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (moduleKind !== ts.ModuleKind.AMD) { + if (!node.importClause) { + // import "mod"; + return ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(createRequireCall(node)), node), node); + } + else { + var variables = []; + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + // import * as n from "mod"; + variables.push(factory.createVariableDeclaration(factory.cloneNode(namespaceDeclaration.name), + /*exclamationToken*/ undefined, + /*type*/ undefined, getHelperExpressionForImport(node, createRequireCall(node)))); + } + else { + // import d from "mod"; + // import { x, y } from "mod"; + // import d, { x, y } from "mod"; + // import d, * as n from "mod"; + variables.push(factory.createVariableDeclaration(factory.getGeneratedNameForNode(node), + /*exclamationToken*/ undefined, + /*type*/ undefined, getHelperExpressionForImport(node, createRequireCall(node)))); + if (namespaceDeclaration && ts.isDefaultImport(node)) { + variables.push(factory.createVariableDeclaration(factory.cloneNode(namespaceDeclaration.name), + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.getGeneratedNameForNode(node))); + } + } + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList(variables, languageVersion >= 2 /* ScriptTarget.ES2015 */ ? 2 /* NodeFlags.Const */ : 0 /* NodeFlags.None */)), + /*location*/ node), + /*original*/ node)); + } + } + else if (namespaceDeclaration && ts.isDefaultImport(node)) { + // import d, * as n from "mod"; + statements = ts.append(statements, factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + ts.setOriginalNode(ts.setTextRange(factory.createVariableDeclaration(factory.cloneNode(namespaceDeclaration.name), + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.getGeneratedNameForNode(node)), + /*location*/ node), + /*original*/ node) + ], languageVersion >= 2 /* ScriptTarget.ES2015 */ ? 2 /* NodeFlags.Const */ : 0 /* NodeFlags.None */))); + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfImportDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfImportDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + /** + * Creates a `require()` call to import an external module. + * + * @param importNode The declararation to import. + */ + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(factory, importNode, currentSourceFile, host, resolver, compilerOptions); + var args = []; + if (moduleName) { + args.push(moduleName); + } + return factory.createCallExpression(factory.createIdentifier("require"), /*typeArguments*/ undefined, args); + } + /** + * Visits an ImportEqualsDeclaration node. + * + * @param node The node to visit. + */ + function visitImportEqualsDeclaration(node) { + ts.Debug.assert(ts.isExternalModuleImportEqualsDeclaration(node), "import= for internal module references should be handled in an earlier transformer."); + var statements; + if (moduleKind !== ts.ModuleKind.AMD) { + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(createExportExpression(node.name, createRequireCall(node))), node), node)); + } + else { + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.cloneNode(node.name), + /*exclamationToken*/ undefined, + /*type*/ undefined, createRequireCall(node)) + ], + /*flags*/ languageVersion >= 2 /* ScriptTarget.ES2015 */ ? 2 /* NodeFlags.Const */ : 0 /* NodeFlags.None */)), node), node)); + } + } + else { + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(createExportExpression(factory.getExportName(node), factory.getLocalName(node))), node), node)); + } + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfImportEqualsDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfImportEqualsDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + /** + * Visits an ExportDeclaration node. + * + * @param The node to visit. + */ + function visitExportDeclaration(node) { + if (!node.moduleSpecifier) { + // Elide export declarations with no module specifier as they are handled + // elsewhere. + return undefined; + } + var generatedName = factory.getGeneratedNameForNode(node); + if (node.exportClause && ts.isNamedExports(node.exportClause)) { + var statements = []; + // export { x, y } from "mod"; + if (moduleKind !== ts.ModuleKind.AMD) { + statements.push(ts.setOriginalNode(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(generatedName, + /*exclamationToken*/ undefined, + /*type*/ undefined, createRequireCall(node)) + ])), + /*location*/ node), + /* original */ node)); + } + for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + if (languageVersion === 0 /* ScriptTarget.ES3 */) { + statements.push(ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(emitHelpers().createCreateBindingHelper(generatedName, factory.createStringLiteralFromNode(specifier.propertyName || specifier.name), specifier.propertyName ? factory.createStringLiteralFromNode(specifier.name) : undefined)), specifier), specifier)); + } + else { + var exportNeedsImportDefault = !!ts.getESModuleInterop(compilerOptions) && + !(ts.getEmitFlags(node) & 67108864 /* EmitFlags.NeverApplyImportHelper */) && + ts.idText(specifier.propertyName || specifier.name) === "default"; + var exportedValue = factory.createPropertyAccessExpression(exportNeedsImportDefault ? emitHelpers().createImportDefaultHelper(generatedName) : generatedName, specifier.propertyName || specifier.name); + statements.push(ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(createExportExpression(factory.getExportName(specifier), exportedValue, /* location */ undefined, /* liveBinding */ true)), specifier), specifier)); + } + } + return ts.singleOrMany(statements); + } + else if (node.exportClause) { + var statements = []; + // export * as ns from "mod"; + // export * as default from "mod"; + statements.push(ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(createExportExpression(factory.cloneNode(node.exportClause.name), getHelperExpressionForExport(node, moduleKind !== ts.ModuleKind.AMD ? + createRequireCall(node) : + ts.isExportNamespaceAsDefaultDeclaration(node) ? generatedName : + factory.createIdentifier(ts.idText(node.exportClause.name))))), node), node)); + return ts.singleOrMany(statements); + } + else { + // export * from "mod"; + return ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(emitHelpers().createExportStarHelper(moduleKind !== ts.ModuleKind.AMD ? createRequireCall(node) : generatedName)), node), node); + } + } + /** + * Visits an ExportAssignment node. + * + * @param node The node to visit. + */ + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; + } + var statements; + var original = node.original; + if (original && hasAssociatedEndOfDeclarationMarker(original)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportStatement(deferredExports[id], factory.createIdentifier("default"), ts.visitNode(node.expression, visitor), /*location*/ node, /*allowComments*/ true); + } + else { + statements = appendExportStatement(statements, factory.createIdentifier("default"), ts.visitNode(node.expression, visitor), /*location*/ node, /*allowComments*/ true); + } + return ts.singleOrMany(statements); + } + /** + * Visits a FunctionDeclaration node. + * + * @param node The node to visit. + */ + function visitFunctionDeclaration(node) { + var statements; + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createFunctionDeclaration( + /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, factory.getDeclarationName(node, /*allowComments*/ true, /*allowSourceMaps*/ true), + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor), + /*type*/ undefined, ts.visitEachChild(node.body, visitor, context)), + /*location*/ node), + /*original*/ node)); + } + else { + statements = ts.append(statements, ts.visitEachChild(node, visitor, context)); + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfHoistedDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + /** + * Visits a ClassDeclaration node. + * + * @param node The node to visit. + */ + function visitClassDeclaration(node) { + var statements; + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createClassDeclaration( + /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), factory.getDeclarationName(node, /*allowComments*/ true, /*allowSourceMaps*/ true), + /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor), ts.visitNodes(node.members, visitor)), node), node)); + } + else { + statements = ts.append(statements, ts.visitEachChild(node, visitor, context)); + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfHoistedDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + /** + * Visits a VariableStatement node. + * + * @param node The node to visit. + */ + function visitVariableStatement(node) { + var statements; + var variables; + var expressions; + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + var modifiers = void 0; + var removeCommentsOnExpressions = false; + // If we're exporting these variables, then these just become assignments to 'exports.x'. + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + if (ts.isIdentifier(variable.name) && ts.isLocalName(variable.name)) { + if (!modifiers) { + modifiers = ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier); + } + variables = ts.append(variables, variable); + } + else if (variable.initializer) { + if (!ts.isBindingPattern(variable.name) && (ts.isArrowFunction(variable.initializer) || ts.isFunctionExpression(variable.initializer) || ts.isClassExpression(variable.initializer))) { + var expression = factory.createAssignment(ts.setTextRange(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), variable.name), + /*location*/ variable.name), factory.createIdentifier(ts.getTextOfIdentifierOrLiteral(variable.name))); + var updatedVariable = factory.createVariableDeclaration(variable.name, variable.exclamationToken, variable.type, ts.visitNode(variable.initializer, visitor)); + variables = ts.append(variables, updatedVariable); + expressions = ts.append(expressions, expression); + removeCommentsOnExpressions = true; + } + else { + expressions = ts.append(expressions, transformInitializedVariable(variable)); + } + } + } + if (variables) { + statements = ts.append(statements, factory.updateVariableStatement(node, modifiers, factory.updateVariableDeclarationList(node.declarationList, variables))); + } + if (expressions) { + var statement = ts.setOriginalNode(ts.setTextRange(factory.createExpressionStatement(factory.inlineExpressions(expressions)), node), node); + if (removeCommentsOnExpressions) { + ts.removeAllComments(statement); + } + statements = ts.append(statements, statement); + } + } + else { + statements = ts.append(statements, ts.visitEachChild(node, visitor, context)); + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node); + } + else { + statements = appendExportsOfVariableStatement(statements, node); + } + return ts.singleOrMany(statements); + } + function createAllExportExpressions(name, value, location) { + var exportedNames = getExports(name); + if (exportedNames) { + // For each additional export of the declaration, apply an export assignment. + var expression = ts.isExportName(name) ? value : factory.createAssignment(name, value); + for (var _i = 0, exportedNames_2 = exportedNames; _i < exportedNames_2.length; _i++) { + var exportName = exportedNames_2[_i]; + // Mark the node to prevent triggering substitution. + ts.setEmitFlags(expression, 4 /* EmitFlags.NoSubstitution */); + expression = createExportExpression(exportName, expression, /*location*/ location); + } + return expression; + } + return factory.createAssignment(name, value); + } + /** + * Transforms an exported variable with an initializer into an expression. + * + * @param node The node to transform. + */ + function transformInitializedVariable(node) { + if (ts.isBindingPattern(node.name)) { + return ts.flattenDestructuringAssignment(ts.visitNode(node, visitor), + /*visitor*/ undefined, context, 0 /* FlattenLevel.All */, + /*needsValue*/ false, createAllExportExpressions); + } + else { + return factory.createAssignment(ts.setTextRange(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), node.name), + /*location*/ node.name), node.initializer ? ts.visitNode(node.initializer, visitor) : factory.createVoidZero()); + } + } + /** + * Visits a MergeDeclarationMarker used as a placeholder for the beginning of a merged + * and transformed declaration. + * + * @param node The node to visit. + */ + function visitMergeDeclarationMarker(node) { + // For an EnumDeclaration or ModuleDeclaration that merges with a preceeding + // declaration we do not emit a leading variable declaration. To preserve the + // begin/end semantics of the declararation and to properly handle exports + // we wrapped the leading variable declaration in a `MergeDeclarationMarker`. + // + // To balance the declaration, add the exports of the elided variable + // statement. + if (hasAssociatedEndOfDeclarationMarker(node) && node.original.kind === 237 /* SyntaxKind.VariableStatement */) { + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node.original); + } + return node; + } + /** + * Determines whether a node has an associated EndOfDeclarationMarker. + * + * @param node The node to test. + */ + function hasAssociatedEndOfDeclarationMarker(node) { + return (ts.getEmitFlags(node) & 4194304 /* EmitFlags.HasEndOfDeclarationMarker */) !== 0; + } + /** + * Visits a DeclarationMarker used as a placeholder for the end of a transformed + * declaration. + * + * @param node The node to visit. + */ + function visitEndOfDeclarationMarker(node) { + // For some transformations we emit an `EndOfDeclarationMarker` to mark the actual + // end of the transformed declaration. We use this marker to emit any deferred exports + // of the declaration. + var id = ts.getOriginalNodeId(node); + var statements = deferredExports[id]; + if (statements) { + delete deferredExports[id]; + return ts.append(statements, node); + } + return node; + } + /** + * Appends the exports of an ImportDeclaration to a statement list, returning the + * statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfImportDeclaration(statements, decl) { + if (currentModuleInfo.exportEquals) { + return statements; + } + var importClause = decl.importClause; + if (!importClause) { + return statements; + } + if (importClause.name) { + statements = appendExportsOfDeclaration(statements, importClause); + } + var namedBindings = importClause.namedBindings; + if (namedBindings) { + switch (namedBindings.kind) { + case 268 /* SyntaxKind.NamespaceImport */: + statements = appendExportsOfDeclaration(statements, namedBindings); + break; + case 269 /* SyntaxKind.NamedImports */: + for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) { + var importBinding = _a[_i]; + statements = appendExportsOfDeclaration(statements, importBinding, /* liveBinding */ true); + } + break; + } + } + return statements; + } + /** + * Appends the exports of an ImportEqualsDeclaration to a statement list, returning the + * statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfImportEqualsDeclaration(statements, decl) { + if (currentModuleInfo.exportEquals) { + return statements; + } + return appendExportsOfDeclaration(statements, decl); + } + /** + * Appends the exports of a VariableStatement to a statement list, returning the statement + * list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param node The VariableStatement whose exports are to be recorded. + */ + function appendExportsOfVariableStatement(statements, node) { + if (currentModuleInfo.exportEquals) { + return statements; + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + statements = appendExportsOfBindingElement(statements, decl); + } + return statements; + } + /** + * Appends the exports of a VariableDeclaration or BindingElement to a statement list, + * returning the statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfBindingElement(statements, decl) { + if (currentModuleInfo.exportEquals) { + return statements; + } + if (ts.isBindingPattern(decl.name)) { + for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + statements = appendExportsOfBindingElement(statements, element); + } + } + } + else if (!ts.isGeneratedIdentifier(decl.name)) { + statements = appendExportsOfDeclaration(statements, decl); + } + return statements; + } + /** + * Appends the exports of a ClassDeclaration or FunctionDeclaration to a statement list, + * returning the statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfHoistedDeclaration(statements, decl) { + if (currentModuleInfo.exportEquals) { + return statements; + } + if (ts.hasSyntacticModifier(decl, 1 /* ModifierFlags.Export */)) { + var exportName = ts.hasSyntacticModifier(decl, 512 /* ModifierFlags.Default */) ? factory.createIdentifier("default") : factory.getDeclarationName(decl); + statements = appendExportStatement(statements, exportName, factory.getLocalName(decl), /*location*/ decl); + } + if (decl.name) { + statements = appendExportsOfDeclaration(statements, decl); + } + return statements; + } + /** + * Appends the exports of a declaration to a statement list, returning the statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration to export. + */ + function appendExportsOfDeclaration(statements, decl, liveBinding) { + var name = factory.getDeclarationName(decl); + var exportSpecifiers = currentModuleInfo.exportSpecifiers.get(ts.idText(name)); + if (exportSpecifiers) { + for (var _i = 0, exportSpecifiers_1 = exportSpecifiers; _i < exportSpecifiers_1.length; _i++) { + var exportSpecifier = exportSpecifiers_1[_i]; + statements = appendExportStatement(statements, exportSpecifier.name, name, /*location*/ exportSpecifier.name, /* allowComments */ undefined, liveBinding); + } + } + return statements; + } + /** + * Appends the down-level representation of an export to a statement list, returning the + * statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param exportName The name of the export. + * @param expression The expression to export. + * @param location The location to use for source maps and comments for the export. + * @param allowComments Whether to allow comments on the export. + */ + function appendExportStatement(statements, exportName, expression, location, allowComments, liveBinding) { + statements = ts.append(statements, createExportStatement(exportName, expression, location, allowComments, liveBinding)); + return statements; + } + function createUnderscoreUnderscoreESModule() { + var statement; + if (languageVersion === 0 /* ScriptTarget.ES3 */) { + statement = factory.createExpressionStatement(createExportExpression(factory.createIdentifier("__esModule"), factory.createTrue())); + } + else { + statement = factory.createExpressionStatement(factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + factory.createIdentifier("exports"), + factory.createStringLiteral("__esModule"), + factory.createObjectLiteralExpression([ + factory.createPropertyAssignment("value", factory.createTrue()) + ]) + ])); + } + ts.setEmitFlags(statement, 1048576 /* EmitFlags.CustomPrologue */); + return statement; + } + /** + * Creates a call to the current file's export function to export a value. + * + * @param name The bound name of the export. + * @param value The exported value. + * @param location The location to use for source maps and comments for the export. + * @param allowComments An optional value indicating whether to emit comments for the statement. + */ + function createExportStatement(name, value, location, allowComments, liveBinding) { + var statement = ts.setTextRange(factory.createExpressionStatement(createExportExpression(name, value, /* location */ undefined, liveBinding)), location); + ts.startOnNewLine(statement); + if (!allowComments) { + ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */); + } + return statement; + } + /** + * Creates a call to the current file's export function to export a value. + * + * @param name The bound name of the export. + * @param value The exported value. + * @param location The location to use for source maps and comments for the export. + */ + function createExportExpression(name, value, location, liveBinding) { + return ts.setTextRange(liveBinding && languageVersion !== 0 /* ScriptTarget.ES3 */ ? factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + factory.createIdentifier("exports"), + factory.createStringLiteralFromNode(name), + factory.createObjectLiteralExpression([ + factory.createPropertyAssignment("enumerable", factory.createTrue()), + factory.createPropertyAssignment("get", factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, factory.createBlock([factory.createReturnStatement(value)]))) + ]) + ]) : factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), factory.cloneNode(name)), value), location); + } + // + // Modifier Visitors + // + /** + * Visit nodes to elide module-specific modifiers. + * + * @param node The node to visit. + */ + function modifierVisitor(node) { + // Elide module-specific modifiers. + switch (node.kind) { + case 93 /* SyntaxKind.ExportKeyword */: + case 88 /* SyntaxKind.DefaultKeyword */: + return undefined; + } + return node; + } + // + // Emit Notification + // + /** + * Hook for node emit notifications. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emit A callback used to emit the node in the printer. + */ + function onEmitNode(hint, node, emitCallback) { + if (node.kind === 305 /* SyntaxKind.SourceFile */) { + currentSourceFile = node; + currentModuleInfo = moduleInfoMap[ts.getOriginalNodeId(currentSourceFile)]; + previousOnEmitNode(hint, node, emitCallback); + currentSourceFile = undefined; + currentModuleInfo = undefined; + } + else { + previousOnEmitNode(hint, node, emitCallback); + } + } + // + // Substitutions + // + /** + * Hooks node substitutions. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (node.id && noSubstitution[node.id]) { + return node; + } + if (hint === 1 /* EmitHint.Expression */) { + return substituteExpression(node); + } + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); + } + return node; + } + /** + * Substitution for a ShorthandPropertyAssignment whose declaration name is an imported + * or exported symbol. + * + * @param node The node to substitute. + */ + function substituteShorthandPropertyAssignment(node) { + var name = node.name; + var exportedOrImportedName = substituteExpressionIdentifier(name); + if (exportedOrImportedName !== name) { + // A shorthand property with an assignment initializer is probably part of a + // destructuring assignment + if (node.objectAssignmentInitializer) { + var initializer = factory.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); + return ts.setTextRange(factory.createPropertyAssignment(name, initializer), node); + } + return ts.setTextRange(factory.createPropertyAssignment(name, exportedOrImportedName), node); + } + return node; + } + /** + * Substitution for an Expression that may contain an imported or exported symbol. + * + * @param node The node to substitute. + */ + function substituteExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return substituteExpressionIdentifier(node); + case 208 /* SyntaxKind.CallExpression */: + return substituteCallExpression(node); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return substituteTaggedTemplateExpression(node); + case 221 /* SyntaxKind.BinaryExpression */: + return substituteBinaryExpression(node); + } + return node; + } + function substituteCallExpression(node) { + if (ts.isIdentifier(node.expression)) { + var expression = substituteExpressionIdentifier(node.expression); + noSubstitution[ts.getNodeId(expression)] = true; + if (!ts.isIdentifier(expression) && !(ts.getEmitFlags(node.expression) & 4096 /* EmitFlags.HelperName */)) { + return ts.addEmitFlags(factory.updateCallExpression(node, expression, + /*typeArguments*/ undefined, node.arguments), 536870912 /* EmitFlags.IndirectCall */); + } + } + return node; + } + function substituteTaggedTemplateExpression(node) { + if (ts.isIdentifier(node.tag)) { + var tag = substituteExpressionIdentifier(node.tag); + noSubstitution[ts.getNodeId(tag)] = true; + if (!ts.isIdentifier(tag) && !(ts.getEmitFlags(node.tag) & 4096 /* EmitFlags.HelperName */)) { + return ts.addEmitFlags(factory.updateTaggedTemplateExpression(node, tag, + /*typeArguments*/ undefined, node.template), 536870912 /* EmitFlags.IndirectCall */); + } + } + return node; + } + /** + * Substitution for an Identifier expression that may contain an imported or exported + * symbol. + * + * @param node The node to substitute. + */ + function substituteExpressionIdentifier(node) { + var _a, _b; + if (ts.getEmitFlags(node) & 4096 /* EmitFlags.HelperName */) { + var externalHelpersModuleName = ts.getExternalHelpersModuleName(currentSourceFile); + if (externalHelpersModuleName) { + return factory.createPropertyAccessExpression(externalHelpersModuleName, node); + } + return node; + } + else if (!(ts.isGeneratedIdentifier(node) && !(node.autoGenerateFlags & 64 /* GeneratedIdentifierFlags.AllowNameSubstitution */)) && !ts.isLocalName(node)) { + var exportContainer = resolver.getReferencedExportContainer(node, ts.isExportName(node)); + if (exportContainer && exportContainer.kind === 305 /* SyntaxKind.SourceFile */) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), factory.cloneNode(node)), + /*location*/ node); + } + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + if (ts.isImportClause(importDeclaration)) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(importDeclaration.parent), factory.createIdentifier("default")), + /*location*/ node); + } + else if (ts.isImportSpecifier(importDeclaration)) { + var name = importDeclaration.propertyName || importDeclaration.name; + return ts.setTextRange(factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(((_b = (_a = importDeclaration.parent) === null || _a === void 0 ? void 0 : _a.parent) === null || _b === void 0 ? void 0 : _b.parent) || importDeclaration), factory.cloneNode(name)), + /*location*/ node); + } + } + } + return node; + } + /** + * Substitution for a BinaryExpression that may contain an imported or exported symbol. + * + * @param node The node to substitute. + */ + function substituteBinaryExpression(node) { + // When we see an assignment expression whose left-hand side is an exported symbol, + // we should ensure all exports of that symbol are updated with the correct value. + // + // - We do not substitute generated identifiers for any reason. + // - We do not substitute identifiers tagged with the LocalName flag. + // - We do not substitute identifiers that were originally the name of an enum or + // namespace due to how they are transformed in TypeScript. + // - We only substitute identifiers that are exported at the top level. + if (ts.isAssignmentOperator(node.operatorToken.kind) + && ts.isIdentifier(node.left) + && !ts.isGeneratedIdentifier(node.left) + && !ts.isLocalName(node.left) + && !ts.isDeclarationNameOfEnumOrNamespace(node.left)) { + var exportedNames = getExports(node.left); + if (exportedNames) { + // For each additional export of the declaration, apply an export assignment. + var expression = node; + for (var _i = 0, exportedNames_3 = exportedNames; _i < exportedNames_3.length; _i++) { + var exportName = exportedNames_3[_i]; + // Mark the node to prevent triggering this rule again. + noSubstitution[ts.getNodeId(expression)] = true; + expression = createExportExpression(exportName, expression, /*location*/ node); + } + return expression; + } + } + return node; + } + /** + * Gets the additional exports of a name. + * + * @param name The name. + */ + function getExports(name) { + if (!ts.isGeneratedIdentifier(name)) { + var valueDeclaration = resolver.getReferencedImportDeclaration(name) + || resolver.getReferencedValueDeclaration(name); + if (valueDeclaration) { + return currentModuleInfo + && currentModuleInfo.exportedBindings[ts.getOriginalNodeId(valueDeclaration)]; + } + } + } + } + ts.transformModule = transformModule; + // emit helper for dynamic import + var dynamicImportUMDHelper = { + name: "typescript:dynamicimport-sync-require", + scoped: true, + text: "\n var __syncRequire = typeof module === \"object\" && typeof module.exports === \"object\";" + }; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformSystemModule(context) { + var factory = context.factory, startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(79 /* SyntaxKind.Identifier */); // Substitutes expression identifiers for imported symbols. + context.enableSubstitution(297 /* SyntaxKind.ShorthandPropertyAssignment */); // Substitutes expression identifiers for imported symbols + context.enableSubstitution(221 /* SyntaxKind.BinaryExpression */); // Substitutes assignments to exported symbols. + context.enableSubstitution(231 /* SyntaxKind.MetaProperty */); // Substitutes 'import.meta' + context.enableEmitNotification(305 /* SyntaxKind.SourceFile */); // Restore state when substituting nodes in a file. + var moduleInfoMap = []; // The ExternalModuleInfo for each file. + var deferredExports = []; // Exports to defer until an EndOfDeclarationMarker is found. + var exportFunctionsMap = []; // The export function associated with a source file. + var noSubstitutionMap = []; // Set of nodes for which substitution rules should be ignored for each file. + var contextObjectMap = []; // The context object associated with a source file. + var currentSourceFile; // The current file. + var moduleInfo; // ExternalModuleInfo for the current file. + var exportFunction; // The export function for the current file. + var contextObject; // The context object for the current file. + var hoistedStatements; + var enclosingBlockScopedContainer; + var noSubstitution; // Set of nodes for which substitution rules should be ignored. + return ts.chainBundle(context, transformSourceFile); + /** + * Transforms the module aspects of a SourceFile. + * + * @param node The SourceFile node. + */ + function transformSourceFile(node) { + if (node.isDeclarationFile || !(ts.isEffectiveExternalModule(node, compilerOptions) || node.transformFlags & 4194304 /* TransformFlags.ContainsDynamicImport */)) { + return node; + } + var id = ts.getOriginalNodeId(node); + currentSourceFile = node; + enclosingBlockScopedContainer = node; + // System modules have the following shape: + // + // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) + // + // The parameter 'exports' here is a callback '(name: string, value: T) => T' that + // is used to publish exported values. 'exports' returns its 'value' argument so in + // most cases expressions that mutate exported values can be rewritten as: + // + // expr -> exports('name', expr) + // + // The only exception in this rule is postfix unary operators, + // see comment to 'substitutePostfixUnaryExpression' for more details + // Collect information about the external module and dependency groups. + moduleInfo = moduleInfoMap[id] = ts.collectExternalModuleInfo(context, node, resolver, compilerOptions); + // Make sure that the name of the 'exports' function does not conflict with + // existing identifiers. + exportFunction = factory.createUniqueName("exports"); + exportFunctionsMap[id] = exportFunction; + contextObject = contextObjectMap[id] = factory.createUniqueName("context"); + // Add the body of the module. + var dependencyGroups = collectDependencyGroups(moduleInfo.externalImports); + var moduleBodyBlock = createSystemModuleBody(node, dependencyGroups); + var moduleBodyFunction = factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ + factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, exportFunction), + factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, contextObject) + ], + /*type*/ undefined, moduleBodyBlock); + // Write the call to `System.register` + // Clear the emit-helpers flag for later passes since we'll have already used it in the module body + // So the helper will be emit at the correct position instead of at the top of the source-file + var moduleName = ts.tryGetModuleNameFromFile(factory, node, host, compilerOptions); + var dependencies = factory.createArrayLiteralExpression(ts.map(dependencyGroups, function (dependencyGroup) { return dependencyGroup.name; })); + var updated = ts.setEmitFlags(factory.updateSourceFile(node, ts.setTextRange(factory.createNodeArray([ + factory.createExpressionStatement(factory.createCallExpression(factory.createPropertyAccessExpression(factory.createIdentifier("System"), "register"), + /*typeArguments*/ undefined, moduleName + ? [moduleName, dependencies, moduleBodyFunction] + : [dependencies, moduleBodyFunction])) + ]), node.statements)), 1024 /* EmitFlags.NoTrailingComments */); + if (!ts.outFile(compilerOptions)) { + ts.moveEmitHelpers(updated, moduleBodyBlock, function (helper) { return !helper.scoped; }); + } + if (noSubstitution) { + noSubstitutionMap[id] = noSubstitution; + noSubstitution = undefined; + } + currentSourceFile = undefined; + moduleInfo = undefined; + exportFunction = undefined; + contextObject = undefined; + hoistedStatements = undefined; + enclosingBlockScopedContainer = undefined; + return updated; + } + /** + * Collects the dependency groups for this files imports. + * + * @param externalImports The imports for the file. + */ + function collectDependencyGroups(externalImports) { + var groupIndices = new ts.Map(); + var dependencyGroups = []; + for (var _i = 0, externalImports_1 = externalImports; _i < externalImports_1.length; _i++) { + var externalImport = externalImports_1[_i]; + var externalModuleName = ts.getExternalModuleNameLiteral(factory, externalImport, currentSourceFile, host, resolver, compilerOptions); + if (externalModuleName) { + var text = externalModuleName.text; + var groupIndex = groupIndices.get(text); + if (groupIndex !== undefined) { + // deduplicate/group entries in dependency list by the dependency name + dependencyGroups[groupIndex].externalImports.push(externalImport); + } + else { + groupIndices.set(text, dependencyGroups.length); + dependencyGroups.push({ + name: externalModuleName, + externalImports: [externalImport] + }); + } + } + } + return dependencyGroups; + } + /** + * Adds the statements for the module body function for the source file. + * + * @param node The source file for the module. + * @param dependencyGroups The grouped dependencies of the module. + */ + function createSystemModuleBody(node, dependencyGroups) { + // Shape of the body in system modules: + // + // function (exports) { + // + // + // + // return { + // setters: [ + // + // ], + // execute: function() { + // + // } + // } + // + // } + // + // i.e: + // + // import {x} from 'file1' + // var y = 1; + // export function foo() { return y + x(); } + // console.log(y); + // + // Will be transformed to: + // + // function(exports) { + // function foo() { return y + file_1.x(); } + // exports("foo", foo); + // var file_1, y; + // return { + // setters: [ + // function(v) { file_1 = v } + // ], + // execute(): function() { + // y = 1; + // console.log(y); + // } + // }; + // } + var statements = []; + // We start a new lexical environment in this function body, but *not* in the + // body of the execute function. This allows us to emit temporary declarations + // only in the outer module body and not in the inner one. + startLexicalEnvironment(); + // Add any prologue directives. + var ensureUseStrict = ts.getStrictOptionValue(compilerOptions, "alwaysStrict") || (!compilerOptions.noImplicitUseStrict && ts.isExternalModule(currentSourceFile)); + var statementOffset = factory.copyPrologue(node.statements, statements, ensureUseStrict, topLevelVisitor); + // var __moduleName = context_1 && context_1.id; + statements.push(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration("__moduleName", + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createLogicalAnd(contextObject, factory.createPropertyAccessExpression(contextObject, "id"))) + ]))); + // Visit the synthetic external helpers import declaration if present + ts.visitNode(moduleInfo.externalHelpersImportDeclaration, topLevelVisitor, ts.isStatement); + // Visit the statements of the source file, emitting any transformations into + // the `executeStatements` array. We do this *before* we fill the `setters` array + // as we both emit transformations as well as aggregate some data used when creating + // setters. This allows us to reduce the number of times we need to loop through the + // statements of the source file. + var executeStatements = ts.visitNodes(node.statements, topLevelVisitor, ts.isStatement, statementOffset); + // Emit early exports for function declarations. + ts.addRange(statements, hoistedStatements); + // We emit hoisted variables early to align roughly with our previous emit output. + // Two key differences in this approach are: + // - Temporary variables will appear at the top rather than at the bottom of the file + ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment()); + var exportStarFunction = addExportStarIfNeeded(statements); // TODO: GH#18217 + var modifiers = node.transformFlags & 1048576 /* TransformFlags.ContainsAwait */ ? + factory.createModifiersFromModifierFlags(256 /* ModifierFlags.Async */) : + undefined; + var moduleObject = factory.createObjectLiteralExpression([ + factory.createPropertyAssignment("setters", createSettersArray(exportStarFunction, dependencyGroups)), + factory.createPropertyAssignment("execute", factory.createFunctionExpression(modifiers, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, factory.createBlock(executeStatements, /*multiLine*/ true))) + ], /*multiLine*/ true); + statements.push(factory.createReturnStatement(moduleObject)); + return factory.createBlock(statements, /*multiLine*/ true); + } + /** + * Adds an exportStar function to a statement list if it is needed for the file. + * + * @param statements A statement list. + */ + function addExportStarIfNeeded(statements) { + if (!moduleInfo.hasExportStarsToExportValues) { + return; + } + // when resolving exports local exported entries/indirect exported entries in the module + // should always win over entries with similar names that were added via star exports + // to support this we store names of local/indirect exported entries in a set. + // this set is used to filter names brought by star expors. + // local names set should only be added if we have anything exported + if (!moduleInfo.exportedNames && moduleInfo.exportSpecifiers.size === 0) { + // no exported declarations (export var ...) or export specifiers (export {x}) + // check if we have any non star export declarations. + var hasExportDeclarationWithExportClause = false; + for (var _i = 0, _a = moduleInfo.externalImports; _i < _a.length; _i++) { + var externalImport = _a[_i]; + if (externalImport.kind === 272 /* SyntaxKind.ExportDeclaration */ && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } + } + if (!hasExportDeclarationWithExportClause) { + // we still need to emit exportStar helper + var exportStarFunction_1 = createExportStarFunction(/*localNames*/ undefined); + statements.push(exportStarFunction_1); + return exportStarFunction_1.name; + } + } + var exportedNames = []; + if (moduleInfo.exportedNames) { + for (var _b = 0, _c = moduleInfo.exportedNames; _b < _c.length; _b++) { + var exportedLocalName = _c[_b]; + if (exportedLocalName.escapedText === "default") { + continue; + } + // write name of exported declaration, i.e 'export var x...' + exportedNames.push(factory.createPropertyAssignment(factory.createStringLiteralFromNode(exportedLocalName), factory.createTrue())); + } + } + var exportedNamesStorageRef = factory.createUniqueName("exportedNames"); + statements.push(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(exportedNamesStorageRef, + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createObjectLiteralExpression(exportedNames, /*multiline*/ true)) + ]))); + var exportStarFunction = createExportStarFunction(exportedNamesStorageRef); + statements.push(exportStarFunction); + return exportStarFunction.name; + } + /** + * Creates an exportStar function for the file, with an optional set of excluded local + * names. + * + * @param localNames An optional reference to an object containing a set of excluded local + * names. + */ + function createExportStarFunction(localNames) { + var exportStarFunction = factory.createUniqueName("exportStar"); + var m = factory.createIdentifier("m"); + var n = factory.createIdentifier("n"); + var exports = factory.createIdentifier("exports"); + var condition = factory.createStrictInequality(n, factory.createStringLiteral("default")); + if (localNames) { + condition = factory.createLogicalAnd(condition, factory.createLogicalNot(factory.createCallExpression(factory.createPropertyAccessExpression(localNames, "hasOwnProperty"), + /*typeArguments*/ undefined, [n]))); + } + return factory.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, exportStarFunction, + /*typeParameters*/ undefined, [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, m)], + /*type*/ undefined, factory.createBlock([ + factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(exports, + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createObjectLiteralExpression([])) + ])), + factory.createForInStatement(factory.createVariableDeclarationList([ + factory.createVariableDeclaration(n) + ]), m, factory.createBlock([ + ts.setEmitFlags(factory.createIfStatement(condition, factory.createExpressionStatement(factory.createAssignment(factory.createElementAccessExpression(exports, n), factory.createElementAccessExpression(m, n)))), 1 /* EmitFlags.SingleLine */) + ])), + factory.createExpressionStatement(factory.createCallExpression(exportFunction, + /*typeArguments*/ undefined, [exports])) + ], /*multiline*/ true)); + } + /** + * Creates an array setter callbacks for each dependency group. + * + * @param exportStarFunction A reference to an exportStarFunction for the file. + * @param dependencyGroups An array of grouped dependencies. + */ + function createSettersArray(exportStarFunction, dependencyGroups) { + var setters = []; + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var group_2 = dependencyGroups_1[_i]; + // derive a unique name for parameter from the first named entry in the group + var localName = ts.forEach(group_2.externalImports, function (i) { return ts.getLocalNameForExternalImport(factory, i, currentSourceFile); }); + var parameterName = localName ? factory.getGeneratedNameForNode(localName) : factory.createUniqueName(""); + var statements = []; + for (var _a = 0, _b = group_2.externalImports; _a < _b.length; _a++) { + var entry = _b[_a]; + var importVariableName = ts.getLocalNameForExternalImport(factory, entry, currentSourceFile); // TODO: GH#18217 + switch (entry.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + if (!entry.importClause) { + // 'import "..."' case + // module is imported only for side-effects, no emit required + break; + } + // falls through + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + ts.Debug.assert(importVariableName !== undefined); + // save import into the local + statements.push(factory.createExpressionStatement(factory.createAssignment(importVariableName, parameterName))); + break; + case 272 /* SyntaxKind.ExportDeclaration */: + ts.Debug.assert(importVariableName !== undefined); + if (entry.exportClause) { + if (ts.isNamedExports(entry.exportClause)) { + // export {a, b as c} from 'foo' + // + // emit as: + // + // exports_({ + // "a": _["a"], + // "c": _["b"] + // }); + var properties = []; + for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { + var e = _d[_c]; + properties.push(factory.createPropertyAssignment(factory.createStringLiteral(ts.idText(e.name)), factory.createElementAccessExpression(parameterName, factory.createStringLiteral(ts.idText(e.propertyName || e.name))))); + } + statements.push(factory.createExpressionStatement(factory.createCallExpression(exportFunction, + /*typeArguments*/ undefined, [factory.createObjectLiteralExpression(properties, /*multiline*/ true)]))); + } + else { + statements.push(factory.createExpressionStatement(factory.createCallExpression(exportFunction, + /*typeArguments*/ undefined, [ + factory.createStringLiteral(ts.idText(entry.exportClause.name)), + parameterName + ]))); + } + } + else { + // export * from 'foo' + // + // emit as: + // + // exportStar(foo_1_1); + statements.push(factory.createExpressionStatement(factory.createCallExpression(exportStarFunction, + /*typeArguments*/ undefined, [parameterName]))); + } + break; + } + } + setters.push(factory.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [factory.createParameterDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, parameterName)], + /*type*/ undefined, factory.createBlock(statements, /*multiLine*/ true))); + } + return factory.createArrayLiteralExpression(setters, /*multiLine*/ true); + } + // + // Top-level Source Element Visitors + // + /** + * Visit source elements at the top-level of a module. + * + * @param node The node to visit. + */ + function topLevelVisitor(node) { + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + return visitImportDeclaration(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 272 /* SyntaxKind.ExportDeclaration */: + return visitExportDeclaration(node); + case 271 /* SyntaxKind.ExportAssignment */: + return visitExportAssignment(node); + default: + return topLevelNestedVisitor(node); + } + } + /** + * Visits an ImportDeclaration node. + * + * @param node The node to visit. + */ + function visitImportDeclaration(node) { + var statements; + if (node.importClause) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(factory, node, currentSourceFile)); // TODO: GH#18217 + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfImportDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfImportDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + function visitExportDeclaration(node) { + ts.Debug.assertIsDefined(node); + return undefined; + } + /** + * Visits an ImportEqualsDeclaration node. + * + * @param node The node to visit. + */ + function visitImportEqualsDeclaration(node) { + ts.Debug.assert(ts.isExternalModuleImportEqualsDeclaration(node), "import= for internal module references should be handled in an earlier transformer."); + var statements; + hoistVariableDeclaration(ts.getLocalNameForExternalImport(factory, node, currentSourceFile)); // TODO: GH#18217 + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfImportEqualsDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfImportEqualsDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + /** + * Visits an ExportAssignment node. + * + * @param node The node to visit. + */ + function visitExportAssignment(node) { + if (node.isExportEquals) { + // Elide `export=` as it is illegal in a SystemJS module. + return undefined; + } + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var original = node.original; + if (original && hasAssociatedEndOfDeclarationMarker(original)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportStatement(deferredExports[id], factory.createIdentifier("default"), expression, /*allowComments*/ true); + } + else { + return createExportStatement(factory.createIdentifier("default"), expression, /*allowComments*/ true); + } + } + /** + * Visits a FunctionDeclaration, hoisting it to the outer module body function. + * + * @param node The node to visit. + */ + function visitFunctionDeclaration(node) { + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + hoistedStatements = ts.append(hoistedStatements, factory.updateFunctionDeclaration(node, node.decorators, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, factory.getDeclarationName(node, /*allowComments*/ true, /*allowSourceMaps*/ true), + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameterDeclaration), + /*type*/ undefined, ts.visitNode(node.body, visitor, ts.isBlock))); + } + else { + hoistedStatements = ts.append(hoistedStatements, ts.visitEachChild(node, visitor, context)); + } + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node); + } + else { + hoistedStatements = appendExportsOfHoistedDeclaration(hoistedStatements, node); + } + return undefined; + } + /** + * Visits a ClassDeclaration, hoisting its name to the outer module body function. + * + * @param node The node to visit. + */ + function visitClassDeclaration(node) { + var statements; + // Hoist the name of the class declaration to the outer module body function. + var name = factory.getLocalName(node); + hoistVariableDeclaration(name); + // Rewrite the class declaration into an assignment of a class expression. + statements = ts.append(statements, ts.setTextRange(factory.createExpressionStatement(factory.createAssignment(name, ts.setTextRange(factory.createClassExpression(ts.visitNodes(node.decorators, visitor, ts.isDecorator), + /*modifiers*/ undefined, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), ts.visitNodes(node.members, visitor, ts.isClassElement)), node))), node)); + if (hasAssociatedEndOfDeclarationMarker(node)) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node); + } + else { + statements = appendExportsOfHoistedDeclaration(statements, node); + } + return ts.singleOrMany(statements); + } + /** + * Visits a variable statement, hoisting declared names to the top-level module body. + * Each declaration is rewritten into an assignment expression. + * + * @param node The node to visit. + */ + function visitVariableStatement(node) { + if (!shouldHoistVariableDeclarationList(node.declarationList)) { + return ts.visitNode(node, visitor, ts.isStatement); + } + var expressions; + var isExportedDeclaration = ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */); + var isMarkedDeclaration = hasAssociatedEndOfDeclarationMarker(node); + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + if (variable.initializer) { + expressions = ts.append(expressions, transformInitializedVariable(variable, isExportedDeclaration && !isMarkedDeclaration)); + } + else { + hoistBindingElement(variable); + } + } + var statements; + if (expressions) { + statements = ts.append(statements, ts.setTextRange(factory.createExpressionStatement(factory.inlineExpressions(expressions)), node)); + } + if (isMarkedDeclaration) { + // Defer exports until we encounter an EndOfDeclarationMarker node + var id = ts.getOriginalNodeId(node); + deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node, isExportedDeclaration); + } + else { + statements = appendExportsOfVariableStatement(statements, node, /*exportSelf*/ false); + } + return ts.singleOrMany(statements); + } + /** + * Hoists the declared names of a VariableDeclaration or BindingElement. + * + * @param node The declaration to hoist. + */ + function hoistBindingElement(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + hoistBindingElement(element); + } + } + } + else { + hoistVariableDeclaration(factory.cloneNode(node.name)); + } + } + /** + * Determines whether a VariableDeclarationList should be hoisted. + * + * @param node The node to test. + */ + function shouldHoistVariableDeclarationList(node) { + // hoist only non-block scoped declarations or block scoped declarations parented by source file + return (ts.getEmitFlags(node) & 2097152 /* EmitFlags.NoHoisting */) === 0 + && (enclosingBlockScopedContainer.kind === 305 /* SyntaxKind.SourceFile */ + || (ts.getOriginalNode(node).flags & 3 /* NodeFlags.BlockScoped */) === 0); + } + /** + * Transform an initialized variable declaration into an expression. + * + * @param node The node to transform. + * @param isExportedDeclaration A value indicating whether the variable is exported. + */ + function transformInitializedVariable(node, isExportedDeclaration) { + var createAssignment = isExportedDeclaration ? createExportedVariableAssignment : createNonExportedVariableAssignment; + return ts.isBindingPattern(node.name) + ? ts.flattenDestructuringAssignment(node, visitor, context, 0 /* FlattenLevel.All */, + /*needsValue*/ false, createAssignment) + : node.initializer ? createAssignment(node.name, ts.visitNode(node.initializer, visitor, ts.isExpression)) : node.name; + } + /** + * Creates an assignment expression for an exported variable declaration. + * + * @param name The name of the variable. + * @param value The value of the variable's initializer. + * @param location The source map location for the assignment. + */ + function createExportedVariableAssignment(name, value, location) { + return createVariableAssignment(name, value, location, /*isExportedDeclaration*/ true); + } + /** + * Creates an assignment expression for a non-exported variable declaration. + * + * @param name The name of the variable. + * @param value The value of the variable's initializer. + * @param location The source map location for the assignment. + */ + function createNonExportedVariableAssignment(name, value, location) { + return createVariableAssignment(name, value, location, /*isExportedDeclaration*/ false); + } + /** + * Creates an assignment expression for a variable declaration. + * + * @param name The name of the variable. + * @param value The value of the variable's initializer. + * @param location The source map location for the assignment. + * @param isExportedDeclaration A value indicating whether the variable is exported. + */ + function createVariableAssignment(name, value, location, isExportedDeclaration) { + hoistVariableDeclaration(factory.cloneNode(name)); + return isExportedDeclaration + ? createExportExpression(name, preventSubstitution(ts.setTextRange(factory.createAssignment(name, value), location))) + : preventSubstitution(ts.setTextRange(factory.createAssignment(name, value), location)); + } + /** + * Visits a MergeDeclarationMarker used as a placeholder for the beginning of a merged + * and transformed declaration. + * + * @param node The node to visit. + */ + function visitMergeDeclarationMarker(node) { + // For an EnumDeclaration or ModuleDeclaration that merges with a preceeding + // declaration we do not emit a leading variable declaration. To preserve the + // begin/end semantics of the declararation and to properly handle exports + // we wrapped the leading variable declaration in a `MergeDeclarationMarker`. + // + // To balance the declaration, we defer the exports of the elided variable + // statement until we visit this declaration's `EndOfDeclarationMarker`. + if (hasAssociatedEndOfDeclarationMarker(node) && node.original.kind === 237 /* SyntaxKind.VariableStatement */) { + var id = ts.getOriginalNodeId(node); + var isExportedDeclaration = ts.hasSyntacticModifier(node.original, 1 /* ModifierFlags.Export */); + deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node.original, isExportedDeclaration); + } + return node; + } + /** + * Determines whether a node has an associated EndOfDeclarationMarker. + * + * @param node The node to test. + */ + function hasAssociatedEndOfDeclarationMarker(node) { + return (ts.getEmitFlags(node) & 4194304 /* EmitFlags.HasEndOfDeclarationMarker */) !== 0; + } + /** + * Visits a DeclarationMarker used as a placeholder for the end of a transformed + * declaration. + * + * @param node The node to visit. + */ + function visitEndOfDeclarationMarker(node) { + // For some transformations we emit an `EndOfDeclarationMarker` to mark the actual + // end of the transformed declaration. We use this marker to emit any deferred exports + // of the declaration. + var id = ts.getOriginalNodeId(node); + var statements = deferredExports[id]; + if (statements) { + delete deferredExports[id]; + return ts.append(statements, node); + } + else { + var original = ts.getOriginalNode(node); + if (ts.isModuleOrEnumDeclaration(original)) { + return ts.append(appendExportsOfDeclaration(statements, original), node); + } + } + return node; + } + /** + * Appends the exports of an ImportDeclaration to a statement list, returning the + * statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfImportDeclaration(statements, decl) { + if (moduleInfo.exportEquals) { + return statements; + } + var importClause = decl.importClause; + if (!importClause) { + return statements; + } + if (importClause.name) { + statements = appendExportsOfDeclaration(statements, importClause); + } + var namedBindings = importClause.namedBindings; + if (namedBindings) { + switch (namedBindings.kind) { + case 268 /* SyntaxKind.NamespaceImport */: + statements = appendExportsOfDeclaration(statements, namedBindings); + break; + case 269 /* SyntaxKind.NamedImports */: + for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) { + var importBinding = _a[_i]; + statements = appendExportsOfDeclaration(statements, importBinding); + } + break; + } + } + return statements; + } + /** + * Appends the export of an ImportEqualsDeclaration to a statement list, returning the + * statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfImportEqualsDeclaration(statements, decl) { + if (moduleInfo.exportEquals) { + return statements; + } + return appendExportsOfDeclaration(statements, decl); + } + /** + * Appends the exports of a VariableStatement to a statement list, returning the statement + * list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param node The VariableStatement whose exports are to be recorded. + * @param exportSelf A value indicating whether to also export each VariableDeclaration of + * `nodes` declaration list. + */ + function appendExportsOfVariableStatement(statements, node, exportSelf) { + if (moduleInfo.exportEquals) { + return statements; + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (decl.initializer || exportSelf) { + statements = appendExportsOfBindingElement(statements, decl, exportSelf); + } + } + return statements; + } + /** + * Appends the exports of a VariableDeclaration or BindingElement to a statement list, + * returning the statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + * @param exportSelf A value indicating whether to also export the declaration itself. + */ + function appendExportsOfBindingElement(statements, decl, exportSelf) { + if (moduleInfo.exportEquals) { + return statements; + } + if (ts.isBindingPattern(decl.name)) { + for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + statements = appendExportsOfBindingElement(statements, element, exportSelf); + } + } + } + else if (!ts.isGeneratedIdentifier(decl.name)) { + var excludeName = void 0; + if (exportSelf) { + statements = appendExportStatement(statements, decl.name, factory.getLocalName(decl)); + excludeName = ts.idText(decl.name); + } + statements = appendExportsOfDeclaration(statements, decl, excludeName); + } + return statements; + } + /** + * Appends the exports of a ClassDeclaration or FunctionDeclaration to a statement list, + * returning the statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration whose exports are to be recorded. + */ + function appendExportsOfHoistedDeclaration(statements, decl) { + if (moduleInfo.exportEquals) { + return statements; + } + var excludeName; + if (ts.hasSyntacticModifier(decl, 1 /* ModifierFlags.Export */)) { + var exportName = ts.hasSyntacticModifier(decl, 512 /* ModifierFlags.Default */) ? factory.createStringLiteral("default") : decl.name; + statements = appendExportStatement(statements, exportName, factory.getLocalName(decl)); + excludeName = ts.getTextOfIdentifierOrLiteral(exportName); + } + if (decl.name) { + statements = appendExportsOfDeclaration(statements, decl, excludeName); + } + return statements; + } + /** + * Appends the exports of a declaration to a statement list, returning the statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param decl The declaration to export. + * @param excludeName An optional name to exclude from exports. + */ + function appendExportsOfDeclaration(statements, decl, excludeName) { + if (moduleInfo.exportEquals) { + return statements; + } + var name = factory.getDeclarationName(decl); + var exportSpecifiers = moduleInfo.exportSpecifiers.get(ts.idText(name)); + if (exportSpecifiers) { + for (var _i = 0, exportSpecifiers_2 = exportSpecifiers; _i < exportSpecifiers_2.length; _i++) { + var exportSpecifier = exportSpecifiers_2[_i]; + if (exportSpecifier.name.escapedText !== excludeName) { + statements = appendExportStatement(statements, exportSpecifier.name, name); + } + } + } + return statements; + } + /** + * Appends the down-level representation of an export to a statement list, returning the + * statement list. + * + * @param statements A statement list to which the down-level export statements are to be + * appended. If `statements` is `undefined`, a new array is allocated if statements are + * appended. + * @param exportName The name of the export. + * @param expression The expression to export. + * @param allowComments Whether to allow comments on the export. + */ + function appendExportStatement(statements, exportName, expression, allowComments) { + statements = ts.append(statements, createExportStatement(exportName, expression, allowComments)); + return statements; + } + /** + * Creates a call to the current file's export function to export a value. + * + * @param name The bound name of the export. + * @param value The exported value. + * @param allowComments An optional value indicating whether to emit comments for the statement. + */ + function createExportStatement(name, value, allowComments) { + var statement = factory.createExpressionStatement(createExportExpression(name, value)); + ts.startOnNewLine(statement); + if (!allowComments) { + ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */); + } + return statement; + } + /** + * Creates a call to the current file's export function to export a value. + * + * @param name The bound name of the export. + * @param value The exported value. + */ + function createExportExpression(name, value) { + var exportName = ts.isIdentifier(name) ? factory.createStringLiteralFromNode(name) : name; + ts.setEmitFlags(value, ts.getEmitFlags(value) | 1536 /* EmitFlags.NoComments */); + return ts.setCommentRange(factory.createCallExpression(exportFunction, /*typeArguments*/ undefined, [exportName, value]), value); + } + // + // Top-Level or Nested Source Element Visitors + // + /** + * Visit nested elements at the top-level of a module. + * + * @param node The node to visit. + */ + function topLevelNestedVisitor(node) { + switch (node.kind) { + case 237 /* SyntaxKind.VariableStatement */: + return visitVariableStatement(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 257 /* SyntaxKind.ClassDeclaration */: + return visitClassDeclaration(node); + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node, /*isTopLevel*/ true); + case 243 /* SyntaxKind.ForInStatement */: + return visitForInStatement(node); + case 244 /* SyntaxKind.ForOfStatement */: + return visitForOfStatement(node); + case 240 /* SyntaxKind.DoStatement */: + return visitDoStatement(node); + case 241 /* SyntaxKind.WhileStatement */: + return visitWhileStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return visitLabeledStatement(node); + case 248 /* SyntaxKind.WithStatement */: + return visitWithStatement(node); + case 249 /* SyntaxKind.SwitchStatement */: + return visitSwitchStatement(node); + case 263 /* SyntaxKind.CaseBlock */: + return visitCaseBlock(node); + case 289 /* SyntaxKind.CaseClause */: + return visitCaseClause(node); + case 290 /* SyntaxKind.DefaultClause */: + return visitDefaultClause(node); + case 252 /* SyntaxKind.TryStatement */: + return visitTryStatement(node); + case 292 /* SyntaxKind.CatchClause */: + return visitCatchClause(node); + case 235 /* SyntaxKind.Block */: + return visitBlock(node); + case 352 /* SyntaxKind.MergeDeclarationMarker */: + return visitMergeDeclarationMarker(node); + case 353 /* SyntaxKind.EndOfDeclarationMarker */: + return visitEndOfDeclarationMarker(node); + default: + return visitor(node); + } + } + /** + * Visits the body of a ForStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitForStatement(node, isTopLevel) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + enclosingBlockScopedContainer = node; + node = factory.updateForStatement(node, ts.visitNode(node.initializer, isTopLevel ? visitForInitializer : discardedValueVisitor, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, discardedValueVisitor, ts.isExpression), ts.visitIterationBody(node.statement, isTopLevel ? topLevelNestedVisitor : visitor, context)); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + return node; + } + /** + * Visits the body of a ForInStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitForInStatement(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + enclosingBlockScopedContainer = node; + node = factory.updateForInStatement(node, visitForInitializer(node.initializer), ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitIterationBody(node.statement, topLevelNestedVisitor, context)); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + return node; + } + /** + * Visits the body of a ForOfStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitForOfStatement(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + enclosingBlockScopedContainer = node; + node = factory.updateForOfStatement(node, node.awaitModifier, visitForInitializer(node.initializer), ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitIterationBody(node.statement, topLevelNestedVisitor, context)); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + return node; + } + /** + * Determines whether to hoist the initializer of a ForStatement, ForInStatement, or + * ForOfStatement. + * + * @param node The node to test. + */ + function shouldHoistForInitializer(node) { + return ts.isVariableDeclarationList(node) + && shouldHoistVariableDeclarationList(node); + } + /** + * Visits the initializer of a ForStatement, ForInStatement, or ForOfStatement + * + * @param node The node to visit. + */ + function visitForInitializer(node) { + if (shouldHoistForInitializer(node)) { + var expressions = void 0; + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + expressions = ts.append(expressions, transformInitializedVariable(variable, /*isExportedDeclaration*/ false)); + if (!variable.initializer) { + hoistBindingElement(variable); + } + } + return expressions ? factory.inlineExpressions(expressions) : factory.createOmittedExpression(); + } + else { + return ts.visitNode(node, discardedValueVisitor, ts.isExpression); + } + } + /** + * Visits the body of a DoStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitDoStatement(node) { + return factory.updateDoStatement(node, ts.visitIterationBody(node.statement, topLevelNestedVisitor, context), ts.visitNode(node.expression, visitor, ts.isExpression)); + } + /** + * Visits the body of a WhileStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitWhileStatement(node) { + return factory.updateWhileStatement(node, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitIterationBody(node.statement, topLevelNestedVisitor, context)); + } + /** + * Visits the body of a LabeledStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitLabeledStatement(node) { + return factory.updateLabeledStatement(node, node.label, ts.visitNode(node.statement, topLevelNestedVisitor, ts.isStatement, factory.liftToBlock)); + } + /** + * Visits the body of a WithStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitWithStatement(node) { + return factory.updateWithStatement(node, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, topLevelNestedVisitor, ts.isStatement, factory.liftToBlock)); + } + /** + * Visits the body of a SwitchStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitSwitchStatement(node) { + return factory.updateSwitchStatement(node, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.caseBlock, topLevelNestedVisitor, ts.isCaseBlock)); + } + /** + * Visits the body of a CaseBlock to hoist declarations. + * + * @param node The node to visit. + */ + function visitCaseBlock(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + enclosingBlockScopedContainer = node; + node = factory.updateCaseBlock(node, ts.visitNodes(node.clauses, topLevelNestedVisitor, ts.isCaseOrDefaultClause)); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + return node; + } + /** + * Visits the body of a CaseClause to hoist declarations. + * + * @param node The node to visit. + */ + function visitCaseClause(node) { + return factory.updateCaseClause(node, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNodes(node.statements, topLevelNestedVisitor, ts.isStatement)); + } + /** + * Visits the body of a DefaultClause to hoist declarations. + * + * @param node The node to visit. + */ + function visitDefaultClause(node) { + return ts.visitEachChild(node, topLevelNestedVisitor, context); + } + /** + * Visits the body of a TryStatement to hoist declarations. + * + * @param node The node to visit. + */ + function visitTryStatement(node) { + return ts.visitEachChild(node, topLevelNestedVisitor, context); + } + /** + * Visits the body of a CatchClause to hoist declarations. + * + * @param node The node to visit. + */ + function visitCatchClause(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + enclosingBlockScopedContainer = node; + node = factory.updateCatchClause(node, node.variableDeclaration, ts.visitNode(node.block, topLevelNestedVisitor, ts.isBlock)); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + return node; + } + /** + * Visits the body of a Block to hoist declarations. + * + * @param node The node to visit. + */ + function visitBlock(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + enclosingBlockScopedContainer = node; + node = ts.visitEachChild(node, topLevelNestedVisitor, context); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + return node; + } + // + // Destructuring Assignment Visitors + // + /** + * Visit nodes to flatten destructuring assignments to exported symbols. + * + * @param node The node to visit. + */ + function visitorWorker(node, valueIsDiscarded) { + if (!(node.transformFlags & (4096 /* TransformFlags.ContainsDestructuringAssignment */ | 4194304 /* TransformFlags.ContainsDynamicImport */ | 67108864 /* TransformFlags.ContainsUpdateExpressionForIdentifier */))) { + return node; + } + switch (node.kind) { + case 242 /* SyntaxKind.ForStatement */: + return visitForStatement(node, /*isTopLevel*/ false); + case 238 /* SyntaxKind.ExpressionStatement */: + return visitExpressionStatement(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return visitParenthesizedExpression(node, valueIsDiscarded); + case 350 /* SyntaxKind.PartiallyEmittedExpression */: + return visitPartiallyEmittedExpression(node, valueIsDiscarded); + case 221 /* SyntaxKind.BinaryExpression */: + if (ts.isDestructuringAssignment(node)) { + return visitDestructuringAssignment(node, valueIsDiscarded); + } + break; + case 208 /* SyntaxKind.CallExpression */: + if (ts.isImportCall(node)) { + return visitImportCallExpression(node); + } + break; + case 219 /* SyntaxKind.PrefixUnaryExpression */: + case 220 /* SyntaxKind.PostfixUnaryExpression */: + return visitPrefixOrPostfixUnaryExpression(node, valueIsDiscarded); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visit nodes to flatten destructuring assignments to exported symbols. + * + * @param node The node to visit. + */ + function visitor(node) { + return visitorWorker(node, /*valueIsDiscarded*/ false); + } + function discardedValueVisitor(node) { + return visitorWorker(node, /*valueIsDiscarded*/ true); + } + function visitExpressionStatement(node) { + return factory.updateExpressionStatement(node, ts.visitNode(node.expression, discardedValueVisitor, ts.isExpression)); + } + function visitParenthesizedExpression(node, valueIsDiscarded) { + return factory.updateParenthesizedExpression(node, ts.visitNode(node.expression, valueIsDiscarded ? discardedValueVisitor : visitor, ts.isExpression)); + } + function visitPartiallyEmittedExpression(node, valueIsDiscarded) { + return factory.updatePartiallyEmittedExpression(node, ts.visitNode(node.expression, valueIsDiscarded ? discardedValueVisitor : visitor, ts.isExpression)); + } + function visitImportCallExpression(node) { + // import("./blah") + // emit as + // System.register([], function (_export, _context) { + // return { + // setters: [], + // execute: () => { + // _context.import('./blah'); + // } + // }; + // }); + var externalModuleName = ts.getExternalModuleNameLiteral(factory, node, currentSourceFile, host, resolver, compilerOptions); + var firstArgument = ts.visitNode(ts.firstOrUndefined(node.arguments), visitor); + // Only use the external module name if it differs from the first argument. This allows us to preserve the quote style of the argument on output. + var argument = externalModuleName && (!firstArgument || !ts.isStringLiteral(firstArgument) || firstArgument.text !== externalModuleName.text) ? externalModuleName : firstArgument; + return factory.createCallExpression(factory.createPropertyAccessExpression(contextObject, factory.createIdentifier("import")), + /*typeArguments*/ undefined, argument ? [argument] : []); + } + /** + * Visits a DestructuringAssignment to flatten destructuring to exported symbols. + * + * @param node The node to visit. + */ + function visitDestructuringAssignment(node, valueIsDiscarded) { + if (hasExportedReferenceInDestructuringTarget(node.left)) { + return ts.flattenDestructuringAssignment(node, visitor, context, 0 /* FlattenLevel.All */, !valueIsDiscarded); + } + return ts.visitEachChild(node, visitor, context); + } + /** + * Determines whether the target of a destructuring assignment refers to an exported symbol. + * + * @param node The destructuring target. + */ + function hasExportedReferenceInDestructuringTarget(node) { + if (ts.isAssignmentExpression(node, /*excludeCompoundAssignment*/ true)) { + return hasExportedReferenceInDestructuringTarget(node.left); + } + else if (ts.isSpreadElement(node)) { + return hasExportedReferenceInDestructuringTarget(node.expression); + } + else if (ts.isObjectLiteralExpression(node)) { + return ts.some(node.properties, hasExportedReferenceInDestructuringTarget); + } + else if (ts.isArrayLiteralExpression(node)) { + return ts.some(node.elements, hasExportedReferenceInDestructuringTarget); + } + else if (ts.isShorthandPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringTarget(node.name); + } + else if (ts.isPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringTarget(node.initializer); + } + else if (ts.isIdentifier(node)) { + var container = resolver.getReferencedExportContainer(node); + return container !== undefined && container.kind === 305 /* SyntaxKind.SourceFile */; + } + else { + return false; + } + } + function visitPrefixOrPostfixUnaryExpression(node, valueIsDiscarded) { + // When we see a prefix or postfix increment expression whose operand is an exported + // symbol, we should ensure all exports of that symbol are updated with the correct + // value. + // + // - We do not transform generated identifiers for any reason. + // - We do not transform identifiers tagged with the LocalName flag. + // - We do not transform identifiers that were originally the name of an enum or + // namespace due to how they are transformed in TypeScript. + // - We only transform identifiers that are exported at the top level. + if ((node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */) + && ts.isIdentifier(node.operand) + && !ts.isGeneratedIdentifier(node.operand) + && !ts.isLocalName(node.operand) + && !ts.isDeclarationNameOfEnumOrNamespace(node.operand)) { + var exportedNames = getExports(node.operand); + if (exportedNames) { + var temp = void 0; + var expression = ts.visitNode(node.operand, visitor, ts.isExpression); + if (ts.isPrefixUnaryExpression(node)) { + expression = factory.updatePrefixUnaryExpression(node, expression); + } + else { + expression = factory.updatePostfixUnaryExpression(node, expression); + if (!valueIsDiscarded) { + temp = factory.createTempVariable(hoistVariableDeclaration); + expression = factory.createAssignment(temp, expression); + ts.setTextRange(expression, node); + } + expression = factory.createComma(expression, factory.cloneNode(node.operand)); + ts.setTextRange(expression, node); + } + for (var _i = 0, exportedNames_4 = exportedNames; _i < exportedNames_4.length; _i++) { + var exportName = exportedNames_4[_i]; + expression = createExportExpression(exportName, preventSubstitution(expression)); + } + if (temp) { + expression = factory.createComma(expression, temp); + ts.setTextRange(expression, node); + } + return expression; + } + } + return ts.visitEachChild(node, visitor, context); + } + // + // Modifier Visitors + // + /** + * Visit nodes to elide module-specific modifiers. + * + * @param node The node to visit. + */ + function modifierVisitor(node) { + switch (node.kind) { + case 93 /* SyntaxKind.ExportKeyword */: + case 88 /* SyntaxKind.DefaultKeyword */: + return undefined; + } + return node; + } + // + // Emit Notification + // + /** + * Hook for node emit notifications. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emitCallback A callback used to emit the node in the printer. + */ + function onEmitNode(hint, node, emitCallback) { + if (node.kind === 305 /* SyntaxKind.SourceFile */) { + var id = ts.getOriginalNodeId(node); + currentSourceFile = node; + moduleInfo = moduleInfoMap[id]; + exportFunction = exportFunctionsMap[id]; + noSubstitution = noSubstitutionMap[id]; + contextObject = contextObjectMap[id]; + if (noSubstitution) { + delete noSubstitutionMap[id]; + } + previousOnEmitNode(hint, node, emitCallback); + currentSourceFile = undefined; + moduleInfo = undefined; + exportFunction = undefined; + contextObject = undefined; + noSubstitution = undefined; + } + else { + previousOnEmitNode(hint, node, emitCallback); + } + } + // + // Substitutions + // + /** + * Hooks node substitutions. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (isSubstitutionPrevented(node)) { + return node; + } + if (hint === 1 /* EmitHint.Expression */) { + return substituteExpression(node); + } + else if (hint === 4 /* EmitHint.Unspecified */) { + return substituteUnspecified(node); + } + return node; + } + /** + * Substitute the node, if necessary. + * + * @param node The node to substitute. + */ + function substituteUnspecified(node) { + switch (node.kind) { + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return substituteShorthandPropertyAssignment(node); + } + return node; + } + /** + * Substitution for a ShorthandPropertyAssignment whose name that may contain an imported or exported symbol. + * + * @param node The node to substitute. + */ + function substituteShorthandPropertyAssignment(node) { + var _a, _b; + var name = node.name; + if (!ts.isGeneratedIdentifier(name) && !ts.isLocalName(name)) { + var importDeclaration = resolver.getReferencedImportDeclaration(name); + if (importDeclaration) { + if (ts.isImportClause(importDeclaration)) { + return ts.setTextRange(factory.createPropertyAssignment(factory.cloneNode(name), factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(importDeclaration.parent), factory.createIdentifier("default"))), + /*location*/ node); + } + else if (ts.isImportSpecifier(importDeclaration)) { + return ts.setTextRange(factory.createPropertyAssignment(factory.cloneNode(name), factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(((_b = (_a = importDeclaration.parent) === null || _a === void 0 ? void 0 : _a.parent) === null || _b === void 0 ? void 0 : _b.parent) || importDeclaration), factory.cloneNode(importDeclaration.propertyName || importDeclaration.name))), + /*location*/ node); + } + } + } + return node; + } + /** + * Substitute the expression, if necessary. + * + * @param node The node to substitute. + */ + function substituteExpression(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return substituteExpressionIdentifier(node); + case 221 /* SyntaxKind.BinaryExpression */: + return substituteBinaryExpression(node); + case 231 /* SyntaxKind.MetaProperty */: + return substituteMetaProperty(node); + } + return node; + } + /** + * Substitution for an Identifier expression that may contain an imported or exported symbol. + * + * @param node The node to substitute. + */ + function substituteExpressionIdentifier(node) { + var _a, _b; + if (ts.getEmitFlags(node) & 4096 /* EmitFlags.HelperName */) { + var externalHelpersModuleName = ts.getExternalHelpersModuleName(currentSourceFile); + if (externalHelpersModuleName) { + return factory.createPropertyAccessExpression(externalHelpersModuleName, node); + } + return node; + } + // When we see an identifier in an expression position that + // points to an imported symbol, we should substitute a qualified + // reference to the imported symbol if one is needed. + // + // - We do not substitute generated identifiers for any reason. + // - We do not substitute identifiers tagged with the LocalName flag. + if (!ts.isGeneratedIdentifier(node) && !ts.isLocalName(node)) { + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + if (ts.isImportClause(importDeclaration)) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(importDeclaration.parent), factory.createIdentifier("default")), + /*location*/ node); + } + else if (ts.isImportSpecifier(importDeclaration)) { + return ts.setTextRange(factory.createPropertyAccessExpression(factory.getGeneratedNameForNode(((_b = (_a = importDeclaration.parent) === null || _a === void 0 ? void 0 : _a.parent) === null || _b === void 0 ? void 0 : _b.parent) || importDeclaration), factory.cloneNode(importDeclaration.propertyName || importDeclaration.name)), + /*location*/ node); + } + } + } + return node; + } + /** + * Substitution for a BinaryExpression that may contain an imported or exported symbol. + * + * @param node The node to substitute. + */ + function substituteBinaryExpression(node) { + // When we see an assignment expression whose left-hand side is an exported symbol, + // we should ensure all exports of that symbol are updated with the correct value. + // + // - We do not substitute generated identifiers for any reason. + // - We do not substitute identifiers tagged with the LocalName flag. + // - We do not substitute identifiers that were originally the name of an enum or + // namespace due to how they are transformed in TypeScript. + // - We only substitute identifiers that are exported at the top level. + if (ts.isAssignmentOperator(node.operatorToken.kind) + && ts.isIdentifier(node.left) + && !ts.isGeneratedIdentifier(node.left) + && !ts.isLocalName(node.left) + && !ts.isDeclarationNameOfEnumOrNamespace(node.left)) { + var exportedNames = getExports(node.left); + if (exportedNames) { + // For each additional export of the declaration, apply an export assignment. + var expression = node; + for (var _i = 0, exportedNames_5 = exportedNames; _i < exportedNames_5.length; _i++) { + var exportName = exportedNames_5[_i]; + expression = createExportExpression(exportName, preventSubstitution(expression)); + } + return expression; + } + } + return node; + } + function substituteMetaProperty(node) { + if (ts.isImportMeta(node)) { + return factory.createPropertyAccessExpression(contextObject, factory.createIdentifier("meta")); + } + return node; + } + /** + * Gets the exports of a name. + * + * @param name The name. + */ + function getExports(name) { + var exportedNames; + if (!ts.isGeneratedIdentifier(name)) { + var valueDeclaration = resolver.getReferencedImportDeclaration(name) + || resolver.getReferencedValueDeclaration(name); + if (valueDeclaration) { + var exportContainer = resolver.getReferencedExportContainer(name, /*prefixLocals*/ false); + if (exportContainer && exportContainer.kind === 305 /* SyntaxKind.SourceFile */) { + exportedNames = ts.append(exportedNames, factory.getDeclarationName(valueDeclaration)); + } + exportedNames = ts.addRange(exportedNames, moduleInfo && moduleInfo.exportedBindings[ts.getOriginalNodeId(valueDeclaration)]); + } + } + return exportedNames; + } + /** + * Prevent substitution of a node for this transformer. + * + * @param node The node which should not be substituted. + */ + function preventSubstitution(node) { + if (noSubstitution === undefined) + noSubstitution = []; + noSubstitution[ts.getNodeId(node)] = true; + return node; + } + /** + * Determines whether a node should not be substituted. + * + * @param node The node to test. + */ + function isSubstitutionPrevented(node) { + return noSubstitution && node.id && noSubstitution[node.id]; + } + } + ts.transformSystemModule = transformSystemModule; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformECMAScriptModule(context) { + var factory = context.factory, emitHelpers = context.getEmitHelperFactory; + var host = context.getEmitHost(); + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.enableEmitNotification(305 /* SyntaxKind.SourceFile */); + context.enableSubstitution(79 /* SyntaxKind.Identifier */); + var helperNameSubstitutions; + var currentSourceFile; + var importRequireStatements; + return ts.chainBundle(context, transformSourceFile); + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + importRequireStatements = undefined; + var result = updateExternalModule(node); + currentSourceFile = undefined; + if (importRequireStatements) { + result = factory.updateSourceFile(result, ts.setTextRange(factory.createNodeArray(ts.insertStatementsAfterCustomPrologue(result.statements.slice(), importRequireStatements)), result.statements)); + } + if (!ts.isExternalModule(node) || ts.some(result.statements, ts.isExternalModuleIndicator)) { + return result; + } + return factory.updateSourceFile(result, ts.setTextRange(factory.createNodeArray(__spreadArray(__spreadArray([], result.statements, true), [ts.createEmptyExports(factory)], false)), result.statements)); + } + return node; + } + function updateExternalModule(node) { + var externalHelpersImportDeclaration = ts.createExternalHelpersImportDeclarationIfNeeded(factory, emitHelpers(), node, compilerOptions); + if (externalHelpersImportDeclaration) { + var statements = []; + var statementOffset = factory.copyPrologue(node.statements, statements); + ts.append(statements, externalHelpersImportDeclaration); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + return factory.updateSourceFile(node, ts.setTextRange(factory.createNodeArray(statements), node.statements)); + } + else { + return ts.visitEachChild(node, visitor, context); + } + } + function visitor(node) { + switch (node.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + // Though an error in es2020 modules, in node-flavor es2020 modules, we can helpfully transform this to a synthetic `require` call + // To give easy access to a synchronous `require` in node-flavor esm. We do the transform even in scenarios where we error, but `import.meta.url` + // is available, just because the output is reasonable for a node-like runtime. + return ts.getEmitScriptTarget(compilerOptions) >= ts.ModuleKind.ES2020 ? visitImportEqualsDeclaration(node) : undefined; + case 271 /* SyntaxKind.ExportAssignment */: + return visitExportAssignment(node); + case 272 /* SyntaxKind.ExportDeclaration */: + var exportDecl = node; + return visitExportDeclaration(exportDecl); + } + return node; + } + /** + * Creates a `require()` call to import an external module. + * + * @param importNode The declaration to import. + */ + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(factory, importNode, ts.Debug.checkDefined(currentSourceFile), host, resolver, compilerOptions); + var args = []; + if (moduleName) { + args.push(moduleName); + } + if (!importRequireStatements) { + var createRequireName = factory.createUniqueName("_createRequire", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */); + var importStatement = factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, factory.createImportClause( + /*isTypeOnly*/ false, + /*name*/ undefined, factory.createNamedImports([ + factory.createImportSpecifier(/*isTypeOnly*/ false, factory.createIdentifier("createRequire"), createRequireName) + ])), factory.createStringLiteral("module")); + var requireHelperName = factory.createUniqueName("__require", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */); + var requireStatement = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(requireHelperName, + /*exclamationToken*/ undefined, + /*type*/ undefined, factory.createCallExpression(factory.cloneNode(createRequireName), /*typeArguments*/ undefined, [ + factory.createPropertyAccessExpression(factory.createMetaProperty(100 /* SyntaxKind.ImportKeyword */, factory.createIdentifier("meta")), factory.createIdentifier("url")) + ])) + ], + /*flags*/ languageVersion >= 2 /* ScriptTarget.ES2015 */ ? 2 /* NodeFlags.Const */ : 0 /* NodeFlags.None */)); + importRequireStatements = [importStatement, requireStatement]; + } + var name = importRequireStatements[1].declarationList.declarations[0].name; + ts.Debug.assertNode(name, ts.isIdentifier); + return factory.createCallExpression(factory.cloneNode(name), /*typeArguments*/ undefined, args); + } + /** + * Visits an ImportEqualsDeclaration node. + * + * @param node The node to visit. + */ + function visitImportEqualsDeclaration(node) { + ts.Debug.assert(ts.isExternalModuleImportEqualsDeclaration(node), "import= for internal module references should be handled in an earlier transformer."); + var statements; + statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList([ + factory.createVariableDeclaration(factory.cloneNode(node.name), + /*exclamationToken*/ undefined, + /*type*/ undefined, createRequireCall(node)) + ], + /*flags*/ languageVersion >= 2 /* ScriptTarget.ES2015 */ ? 2 /* NodeFlags.Const */ : 0 /* NodeFlags.None */)), node), node)); + statements = appendExportsOfImportEqualsDeclaration(statements, node); + return ts.singleOrMany(statements); + } + function appendExportsOfImportEqualsDeclaration(statements, node) { + if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) { + statements = ts.append(statements, factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, node.isTypeOnly, factory.createNamedExports([factory.createExportSpecifier(/*isTypeOnly*/ false, /*propertyName*/ undefined, ts.idText(node.name))]))); + } + return statements; + } + function visitExportAssignment(node) { + // Elide `export=` as it is not legal with --module ES6 + return node.isExportEquals ? undefined : node; + } + function visitExportDeclaration(node) { + // `export * as ns` only needs to be transformed in ES2015 + if (compilerOptions.module !== undefined && compilerOptions.module > ts.ModuleKind.ES2015) { + return node; + } + // Either ill-formed or don't need to be tranformed. + if (!node.exportClause || !ts.isNamespaceExport(node.exportClause) || !node.moduleSpecifier) { + return node; + } + var oldIdentifier = node.exportClause.name; + var synthName = factory.getGeneratedNameForNode(oldIdentifier); + var importDecl = factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, factory.createImportClause( + /*isTypeOnly*/ false, + /*name*/ undefined, factory.createNamespaceImport(synthName)), node.moduleSpecifier, node.assertClause); + ts.setOriginalNode(importDecl, node.exportClause); + var exportDecl = ts.isExportNamespaceAsDefaultDeclaration(node) ? factory.createExportDefault(synthName) : factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, factory.createNamedExports([factory.createExportSpecifier(/*isTypeOnly*/ false, synthName, oldIdentifier)])); + ts.setOriginalNode(exportDecl, node); + return [importDecl, exportDecl]; + } + // + // Emit Notification + // + /** + * Hook for node emit. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emit A callback used to emit the node in the printer. + */ + function onEmitNode(hint, node, emitCallback) { + if (ts.isSourceFile(node)) { + if ((ts.isExternalModule(node) || compilerOptions.isolatedModules) && compilerOptions.importHelpers) { + helperNameSubstitutions = new ts.Map(); + } + previousOnEmitNode(hint, node, emitCallback); + helperNameSubstitutions = undefined; + } + else { + previousOnEmitNode(hint, node, emitCallback); + } + } + // + // Substitutions + // + /** + * Hooks node substitutions. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to substitute. + */ + function onSubstituteNode(hint, node) { + node = previousOnSubstituteNode(hint, node); + if (helperNameSubstitutions && ts.isIdentifier(node) && ts.getEmitFlags(node) & 4096 /* EmitFlags.HelperName */) { + return substituteHelperName(node); + } + return node; + } + function substituteHelperName(node) { + var name = ts.idText(node); + var substitution = helperNameSubstitutions.get(name); + if (!substitution) { + helperNameSubstitutions.set(name, substitution = factory.createUniqueName(name, 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */)); + } + return substitution; + } + } + ts.transformECMAScriptModule = transformECMAScriptModule; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function transformNodeModule(context) { + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + var esmTransform = ts.transformECMAScriptModule(context); + var esmOnSubstituteNode = context.onSubstituteNode; + var esmOnEmitNode = context.onEmitNode; + context.onSubstituteNode = previousOnSubstituteNode; + context.onEmitNode = previousOnEmitNode; + var cjsTransform = ts.transformModule(context); + var cjsOnSubstituteNode = context.onSubstituteNode; + var cjsOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(305 /* SyntaxKind.SourceFile */); + context.enableEmitNotification(305 /* SyntaxKind.SourceFile */); + var currentSourceFile; + return transformSourceFileOrBundle; + function onSubstituteNode(hint, node) { + if (ts.isSourceFile(node)) { + currentSourceFile = node; + // Neither component transform wants substitution notifications for `SourceFile`s, and, in fact, relies on + // the source file emit notification to setup scope variables for substitutions (so we _cannot_ call their substitute + // functions on source files safely, as that context only gets setup in a later pipeline phase!) + return previousOnSubstituteNode(hint, node); + } + else { + if (!currentSourceFile) { + return previousOnSubstituteNode(hint, node); + } + if (currentSourceFile.impliedNodeFormat === ts.ModuleKind.ESNext) { + return esmOnSubstituteNode(hint, node); + } + return cjsOnSubstituteNode(hint, node); + } + } + function onEmitNode(hint, node, emitCallback) { + if (ts.isSourceFile(node)) { + currentSourceFile = node; + } + if (!currentSourceFile) { + return previousOnEmitNode(hint, node, emitCallback); + } + if (currentSourceFile.impliedNodeFormat === ts.ModuleKind.ESNext) { + return esmOnEmitNode(hint, node, emitCallback); + } + return cjsOnEmitNode(hint, node, emitCallback); + } + function getModuleTransformForFile(file) { + return file.impliedNodeFormat === ts.ModuleKind.ESNext ? esmTransform : cjsTransform; + } + function transformSourceFile(node) { + if (node.isDeclarationFile) { + return node; + } + currentSourceFile = node; + var result = getModuleTransformForFile(node)(node); + currentSourceFile = undefined; + ts.Debug.assert(ts.isSourceFile(result)); + return result; + } + function transformSourceFileOrBundle(node) { + return node.kind === 305 /* SyntaxKind.SourceFile */ ? transformSourceFile(node) : transformBundle(node); + } + function transformBundle(node) { + return context.factory.createBundle(ts.map(node.sourceFiles, transformSourceFile), node.prepends); + } + } + ts.transformNodeModule = transformNodeModule; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + function canProduceDiagnostics(node) { + return ts.isVariableDeclaration(node) || + ts.isPropertyDeclaration(node) || + ts.isPropertySignature(node) || + ts.isBindingElement(node) || + ts.isSetAccessor(node) || + ts.isGetAccessor(node) || + ts.isConstructSignatureDeclaration(node) || + ts.isCallSignatureDeclaration(node) || + ts.isMethodDeclaration(node) || + ts.isMethodSignature(node) || + ts.isFunctionDeclaration(node) || + ts.isParameter(node) || + ts.isTypeParameterDeclaration(node) || + ts.isExpressionWithTypeArguments(node) || + ts.isImportEqualsDeclaration(node) || + ts.isTypeAliasDeclaration(node) || + ts.isConstructorDeclaration(node) || + ts.isIndexSignatureDeclaration(node) || + ts.isPropertyAccessExpression(node) || + ts.isJSDocTypeAlias(node); + } + ts.canProduceDiagnostics = canProduceDiagnostics; + function createGetSymbolAccessibilityDiagnosticForNodeName(node) { + if (ts.isSetAccessor(node) || ts.isGetAccessor(node)) { + return getAccessorNameVisibilityError; + } + else if (ts.isMethodSignature(node) || ts.isMethodDeclaration(node)) { + return getMethodNameVisibilityError; + } + else { + return createGetSymbolAccessibilityDiagnosticForNode(node); + } + function getAccessorNameVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getAccessorNameVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getAccessorNameVisibilityDiagnosticMessage(symbolAccessibilityResult) { + if (ts.isStatic(node)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 257 /* SyntaxKind.ClassDeclaration */) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + function getMethodNameVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getMethodNameVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getMethodNameVisibilityDiagnosticMessage(symbolAccessibilityResult) { + if (ts.isStatic(node)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_method_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 257 /* SyntaxKind.ClassDeclaration */) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_method_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Method_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + ts.createGetSymbolAccessibilityDiagnosticForNodeName = createGetSymbolAccessibilityDiagnosticForNodeName; + function createGetSymbolAccessibilityDiagnosticForNode(node) { + if (ts.isVariableDeclaration(node) || ts.isPropertyDeclaration(node) || ts.isPropertySignature(node) || ts.isPropertyAccessExpression(node) || ts.isBindingElement(node) || ts.isConstructorDeclaration(node)) { + return getVariableDeclarationTypeVisibilityError; + } + else if (ts.isSetAccessor(node) || ts.isGetAccessor(node)) { + return getAccessorDeclarationTypeVisibilityError; + } + else if (ts.isConstructSignatureDeclaration(node) || ts.isCallSignatureDeclaration(node) || ts.isMethodDeclaration(node) || ts.isMethodSignature(node) || ts.isFunctionDeclaration(node) || ts.isIndexSignatureDeclaration(node)) { + return getReturnTypeVisibilityError; + } + else if (ts.isParameter(node)) { + if (ts.isParameterPropertyDeclaration(node, node.parent) && ts.hasSyntacticModifier(node.parent, 8 /* ModifierFlags.Private */)) { + return getVariableDeclarationTypeVisibilityError; + } + return getParameterDeclarationTypeVisibilityError; + } + else if (ts.isTypeParameterDeclaration(node)) { + return getTypeParameterConstraintVisibilityError; + } + else if (ts.isExpressionWithTypeArguments(node)) { + return getHeritageClauseVisibilityError; + } + else if (ts.isImportEqualsDeclaration(node)) { + return getImportEntityNameVisibilityError; + } + else if (ts.isTypeAliasDeclaration(node) || ts.isJSDocTypeAlias(node)) { + return getTypeAliasDeclarationVisibilityError; + } + else { + return ts.Debug.assertNever(node, "Attempted to set a declaration diagnostic context for unhandled node kind: ".concat(ts.SyntaxKind[node.kind])); + } + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { + if (node.kind === 254 /* SyntaxKind.VariableDeclaration */ || node.kind === 203 /* SyntaxKind.BindingElement */) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + // This check is to ensure we don't report error on constructor parameter property as that error would be reported during parameter emit + // The only exception here is if the constructor was marked as private. we are not emitting the constructor parameters at all. + else if (node.kind === 167 /* SyntaxKind.PropertyDeclaration */ || node.kind === 206 /* SyntaxKind.PropertyAccessExpression */ || node.kind === 166 /* SyntaxKind.PropertySignature */ || + (node.kind === 164 /* SyntaxKind.Parameter */ && ts.hasSyntacticModifier(node.parent, 8 /* ModifierFlags.Private */))) { + // TODO(jfreeman): Deal with computed properties in error reporting. + if (ts.isStatic(node)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 257 /* SyntaxKind.ClassDeclaration */ || node.kind === 164 /* SyntaxKind.Parameter */) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + // Interfaces cannot have types that cannot be named + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage; + if (node.kind === 173 /* SyntaxKind.SetAccessor */) { + // Getters can infer the return type from the returned expression, but setters cannot, so the + // "_from_external_module_1_but_cannot_be_named" case cannot occur. + if (ts.isStatic(node)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_private_name_1; + } + } + else { + if (ts.isStatic(node)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Return_type_of_public_getter_0_from_exported_class_has_or_is_using_private_name_1; + } + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name, + typeName: node.name + }; + } + function getReturnTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 175 /* SyntaxKind.ConstructSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 174 /* SyntaxKind.CallSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 176 /* SyntaxKind.IndexSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + if (ts.isStatic(node)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 257 /* SyntaxKind.ClassDeclaration */) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + return ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; + } + function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { + switch (node.parent.kind) { + case 171 /* SyntaxKind.Constructor */: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 175 /* SyntaxKind.ConstructSignature */: + case 180 /* SyntaxKind.ConstructorType */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 174 /* SyntaxKind.CallSignature */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 176 /* SyntaxKind.IndexSignature */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1; + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + if (ts.isStatic(node.parent)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 257 /* SyntaxKind.ClassDeclaration */) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + // Interfaces cannot have parameter types that cannot be named + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 256 /* SyntaxKind.FunctionDeclaration */: + case 179 /* SyntaxKind.FunctionType */: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + case 173 /* SyntaxKind.SetAccessor */: + case 172 /* SyntaxKind.GetAccessor */: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 /* SymbolAccessibility.CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_accessor_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_accessor_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_accessor_has_or_is_using_private_name_1; + default: + return ts.Debug.fail("Unknown parent for parameter: ".concat(ts.SyntaxKind[node.parent.kind])); + } + } + function getTypeParameterConstraintVisibilityError() { + // Type parameter constraints are named by user so we should always be able to name it + var diagnosticMessage; + switch (node.parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 258 /* SyntaxKind.InterfaceDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 195 /* SyntaxKind.MappedType */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_mapped_object_type_is_using_private_name_1; + break; + case 180 /* SyntaxKind.ConstructorType */: + case 175 /* SyntaxKind.ConstructSignature */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 174 /* SyntaxKind.CallSignature */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + if (ts.isStatic(node.parent)) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 257 /* SyntaxKind.ClassDeclaration */) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 179 /* SyntaxKind.FunctionType */: + case 256 /* SyntaxKind.FunctionDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + case 259 /* SyntaxKind.TypeAliasDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1; + break; + default: + return ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } + function getHeritageClauseVisibilityError() { + var diagnosticMessage; + // Heritage clause is written by user so it can always be named + if (ts.isClassDeclaration(node.parent.parent)) { + // Class or Interface implemented/extended is inaccessible + diagnosticMessage = ts.isHeritageClause(node.parent) && node.parent.token === 117 /* SyntaxKind.ImplementsKeyword */ ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + node.parent.parent.name ? ts.Diagnostics.extends_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.extends_clause_of_exported_class_has_or_is_using_private_name_0; + } + else { + // interface is inaccessible + diagnosticMessage = ts.Diagnostics.extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: ts.getNameOfDeclaration(node.parent.parent) + }; + } + function getImportEntityNameVisibilityError() { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; + } + function getTypeAliasDeclarationVisibilityError(symbolAccessibilityResult) { + return { + diagnosticMessage: symbolAccessibilityResult.errorModuleName + ? ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1_from_module_2 + : ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: ts.isJSDocTypeAlias(node) ? ts.Debug.checkDefined(node.typeExpression) : node.type, + typeName: ts.isJSDocTypeAlias(node) ? ts.getNameOfDeclaration(node) : node.name, + }; + } + } + ts.createGetSymbolAccessibilityDiagnosticForNode = createGetSymbolAccessibilityDiagnosticForNode; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, file) { + var compilerOptions = host.getCompilerOptions(); + var result = ts.transformNodes(resolver, host, ts.factory, compilerOptions, file ? [file] : ts.filter(host.getSourceFiles(), ts.isSourceFileNotJson), [transformDeclarations], /*allowDtsFiles*/ false); + return result.diagnostics; + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function hasInternalAnnotation(range, currentSourceFile) { + var comment = currentSourceFile.text.substring(range.pos, range.end); + return ts.stringContains(comment, "@internal"); + } + function isInternalDeclaration(node, currentSourceFile) { + var parseTreeNode = ts.getParseTreeNode(node); + if (parseTreeNode && parseTreeNode.kind === 164 /* SyntaxKind.Parameter */) { + var paramIdx = parseTreeNode.parent.parameters.indexOf(parseTreeNode); + var previousSibling = paramIdx > 0 ? parseTreeNode.parent.parameters[paramIdx - 1] : undefined; + var text = currentSourceFile.text; + var commentRanges = previousSibling + ? ts.concatenate( + // to handle + // ... parameters, /* @internal */ + // public param: string + ts.getTrailingCommentRanges(text, ts.skipTrivia(text, previousSibling.end + 1, /* stopAfterLineBreak */ false, /* stopAtComments */ true)), ts.getLeadingCommentRanges(text, node.pos)) + : ts.getTrailingCommentRanges(text, ts.skipTrivia(text, node.pos, /* stopAfterLineBreak */ false, /* stopAtComments */ true)); + return commentRanges && commentRanges.length && hasInternalAnnotation(ts.last(commentRanges), currentSourceFile); + } + var leadingCommentRanges = parseTreeNode && ts.getLeadingCommentRangesOfNode(parseTreeNode, currentSourceFile); + return !!ts.forEach(leadingCommentRanges, function (range) { + return hasInternalAnnotation(range, currentSourceFile); + }); + } + ts.isInternalDeclaration = isInternalDeclaration; + var declarationEmitNodeBuilderFlags = 1024 /* NodeBuilderFlags.MultilineObjectLiterals */ | + 2048 /* NodeBuilderFlags.WriteClassExpressionAsTypeLiteral */ | + 4096 /* NodeBuilderFlags.UseTypeOfFunction */ | + 8 /* NodeBuilderFlags.UseStructuralFallback */ | + 524288 /* NodeBuilderFlags.AllowEmptyTuple */ | + 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */ | + 1 /* NodeBuilderFlags.NoTruncation */; + /** + * Transforms a ts file into a .d.ts file + * This process requires type information, which is retrieved through the emit resolver. Because of this, + * in many places this transformer assumes it will be operating on parse tree nodes directly. + * This means that _no transforms should be allowed to occur before this one_. + */ + function transformDeclarations(context) { + var throwDiagnostic = function () { return ts.Debug.fail("Diagnostic emitted without context"); }; + var getSymbolAccessibilityDiagnostic = throwDiagnostic; + var needsDeclare = true; + var isBundledEmit = false; + var resultHasExternalModuleIndicator = false; + var needsScopeFixMarker = false; + var resultHasScopeMarker = false; + var enclosingDeclaration; + var necessaryTypeReferences; + var lateMarkedStatements; + var lateStatementReplacementMap; + var suppressNewDiagnosticContexts; + var exportedModulesFromDeclarationEmit; + var factory = context.factory; + var host = context.getEmitHost(); + var symbolTracker = { + trackSymbol: trackSymbol, + reportInaccessibleThisError: reportInaccessibleThisError, + reportInaccessibleUniqueSymbolError: reportInaccessibleUniqueSymbolError, + reportCyclicStructureError: reportCyclicStructureError, + reportPrivateInBaseOfClassExpression: reportPrivateInBaseOfClassExpression, + reportLikelyUnsafeImportRequiredError: reportLikelyUnsafeImportRequiredError, + reportTruncationError: reportTruncationError, + moduleResolverHost: host, + trackReferencedAmbientModule: trackReferencedAmbientModule, + trackExternalModuleSymbolOfImportTypeNode: trackExternalModuleSymbolOfImportTypeNode, + reportNonlocalAugmentation: reportNonlocalAugmentation, + reportNonSerializableProperty: reportNonSerializableProperty, + reportImportTypeNodeResolutionModeOverride: reportImportTypeNodeResolutionModeOverride, + }; + var errorNameNode; + var errorFallbackNode; + var currentSourceFile; + var refs; + var libs; + var emittedImports; // must be declared in container so it can be `undefined` while transformer's first pass + var resolver = context.getEmitResolver(); + var options = context.getCompilerOptions(); + var noResolve = options.noResolve, stripInternal = options.stripInternal; + return transformRoot; + function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) { + if (!typeReferenceDirectives) { + return; + } + necessaryTypeReferences = necessaryTypeReferences || new ts.Set(); + for (var _i = 0, typeReferenceDirectives_2 = typeReferenceDirectives; _i < typeReferenceDirectives_2.length; _i++) { + var ref = typeReferenceDirectives_2[_i]; + necessaryTypeReferences.add(ref); + } + } + function trackReferencedAmbientModule(node, symbol) { + // If it is visible via `// `, then we should just use that + var directives = resolver.getTypeReferenceDirectivesForSymbol(symbol, 67108863 /* SymbolFlags.All */); + if (ts.length(directives)) { + return recordTypeReferenceDirectivesIfNecessary(directives); + } + // Otherwise we should emit a path-based reference + var container = ts.getSourceFileOfNode(node); + refs.set(ts.getOriginalNodeId(container), container); + } + function handleSymbolAccessibilityError(symbolAccessibilityResult) { + if (symbolAccessibilityResult.accessibility === 0 /* SymbolAccessibility.Accessible */) { + // Add aliases back onto the possible imports list if they're not there so we can try them again with updated visibility info + if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) { + if (!lateMarkedStatements) { + lateMarkedStatements = symbolAccessibilityResult.aliasesToMakeVisible; + } + else { + for (var _i = 0, _a = symbolAccessibilityResult.aliasesToMakeVisible; _i < _a.length; _i++) { + var ref = _a[_i]; + ts.pushIfUnique(lateMarkedStatements, ref); + } + } + } + // TODO: Do all these accessibility checks inside/after the first pass in the checker when declarations are enabled, if possible + } + else { + // Report error + var errorInfo = getSymbolAccessibilityDiagnostic(symbolAccessibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + context.addDiagnostic(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNode(errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); + } + else { + context.addDiagnostic(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); + } + return true; + } + } + return false; + } + function trackExternalModuleSymbolOfImportTypeNode(symbol) { + if (!isBundledEmit) { + (exportedModulesFromDeclarationEmit || (exportedModulesFromDeclarationEmit = [])).push(symbol); + } + } + function trackSymbol(symbol, enclosingDeclaration, meaning) { + if (symbol.flags & 262144 /* SymbolFlags.TypeParameter */) + return false; + var issuedDiagnostic = handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, /*shouldComputeAliasesToMakeVisible*/ true)); + recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning)); + return issuedDiagnostic; + } + function reportPrivateInBaseOfClassExpression(propertyName) { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.Property_0_of_exported_class_expression_may_not_be_private_or_protected, propertyName)); + } + } + function errorDeclarationNameWithFallback() { + return errorNameNode ? ts.declarationNameToString(errorNameNode) : + errorFallbackNode && ts.getNameOfDeclaration(errorFallbackNode) ? ts.declarationNameToString(ts.getNameOfDeclaration(errorFallbackNode)) : + errorFallbackNode && ts.isExportAssignment(errorFallbackNode) ? errorFallbackNode.isExportEquals ? "export=" : "default" : + "(Missing)"; // same fallback declarationNameToString uses when node is zero-width (ie, nameless) + } + function reportInaccessibleUniqueSymbolError() { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary, errorDeclarationNameWithFallback(), "unique symbol")); + } + } + function reportCyclicStructureError() { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_inferred_type_of_0_references_a_type_with_a_cyclic_structure_which_cannot_be_trivially_serialized_A_type_annotation_is_necessary, errorDeclarationNameWithFallback())); + } + } + function reportInaccessibleThisError() { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary, errorDeclarationNameWithFallback(), "this")); + } + } + function reportLikelyUnsafeImportRequiredError(specifier) { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_inferred_type_of_0_cannot_be_named_without_a_reference_to_1_This_is_likely_not_portable_A_type_annotation_is_necessary, errorDeclarationNameWithFallback(), specifier)); + } + } + function reportTruncationError() { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_inferred_type_of_this_node_exceeds_the_maximum_length_the_compiler_will_serialize_An_explicit_type_annotation_is_needed)); + } + } + function reportNonlocalAugmentation(containingFile, parentSymbol, symbol) { + var _a; + var primaryDeclaration = (_a = parentSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return ts.getSourceFileOfNode(d) === containingFile; }); + var augmentingDeclarations = ts.filter(symbol.declarations, function (d) { return ts.getSourceFileOfNode(d) !== containingFile; }); + if (augmentingDeclarations) { + for (var _i = 0, augmentingDeclarations_1 = augmentingDeclarations; _i < augmentingDeclarations_1.length; _i++) { + var augmentations = augmentingDeclarations_1[_i]; + context.addDiagnostic(ts.addRelatedInfo(ts.createDiagnosticForNode(augmentations, ts.Diagnostics.Declaration_augments_declaration_in_another_file_This_cannot_be_serialized), ts.createDiagnosticForNode(primaryDeclaration, ts.Diagnostics.This_is_the_declaration_being_augmented_Consider_moving_the_augmenting_declaration_into_the_same_file))); + } + } + } + function reportNonSerializableProperty(propertyName) { + if (errorNameNode || errorFallbackNode) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_type_of_this_node_cannot_be_serialized_because_its_property_0_cannot_be_serialized, propertyName)); + } + } + function reportImportTypeNodeResolutionModeOverride() { + if (!ts.isNightly() && (errorNameNode || errorFallbackNode)) { + context.addDiagnostic(ts.createDiagnosticForNode((errorNameNode || errorFallbackNode), ts.Diagnostics.The_type_of_this_expression_cannot_be_named_without_a_resolution_mode_assertion_which_is_an_unstable_feature_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next)); + } + } + function transformDeclarationsForJS(sourceFile, bundled) { + var oldDiag = getSymbolAccessibilityDiagnostic; + getSymbolAccessibilityDiagnostic = function (s) { return (s.errorNode && ts.canProduceDiagnostics(s.errorNode) ? ts.createGetSymbolAccessibilityDiagnosticForNode(s.errorNode)(s) : ({ + diagnosticMessage: s.errorModuleName + ? ts.Diagnostics.Declaration_emit_for_this_file_requires_using_private_name_0_from_module_1_An_explicit_type_annotation_may_unblock_declaration_emit + : ts.Diagnostics.Declaration_emit_for_this_file_requires_using_private_name_0_An_explicit_type_annotation_may_unblock_declaration_emit, + errorNode: s.errorNode || sourceFile + })); }; + var result = resolver.getDeclarationStatementsForSourceFile(sourceFile, declarationEmitNodeBuilderFlags, symbolTracker, bundled); + getSymbolAccessibilityDiagnostic = oldDiag; + return result; + } + function transformRoot(node) { + if (node.kind === 305 /* SyntaxKind.SourceFile */ && node.isDeclarationFile) { + return node; + } + if (node.kind === 306 /* SyntaxKind.Bundle */) { + isBundledEmit = true; + refs = new ts.Map(); + libs = new ts.Map(); + var hasNoDefaultLib_1 = false; + var bundle = factory.createBundle(ts.map(node.sourceFiles, function (sourceFile) { + if (sourceFile.isDeclarationFile) + return undefined; // Omit declaration files from bundle results, too // TODO: GH#18217 + hasNoDefaultLib_1 = hasNoDefaultLib_1 || sourceFile.hasNoDefaultLib; + currentSourceFile = sourceFile; + enclosingDeclaration = sourceFile; + lateMarkedStatements = undefined; + suppressNewDiagnosticContexts = false; + lateStatementReplacementMap = new ts.Map(); + getSymbolAccessibilityDiagnostic = throwDiagnostic; + needsScopeFixMarker = false; + resultHasScopeMarker = false; + collectReferences(sourceFile, refs); + collectLibs(sourceFile, libs); + if (ts.isExternalOrCommonJsModule(sourceFile) || ts.isJsonSourceFile(sourceFile)) { + resultHasExternalModuleIndicator = false; // unused in external module bundle emit (all external modules are within module blocks, therefore are known to be modules) + needsDeclare = false; + var statements = ts.isSourceFileJS(sourceFile) ? factory.createNodeArray(transformDeclarationsForJS(sourceFile, /*bundled*/ true)) : ts.visitNodes(sourceFile.statements, visitDeclarationStatements); + var newFile = factory.updateSourceFile(sourceFile, [factory.createModuleDeclaration([], [factory.createModifier(135 /* SyntaxKind.DeclareKeyword */)], factory.createStringLiteral(ts.getResolvedExternalModuleName(context.getEmitHost(), sourceFile)), factory.createModuleBlock(ts.setTextRange(factory.createNodeArray(transformAndReplaceLatePaintedStatements(statements)), sourceFile.statements)))], /*isDeclarationFile*/ true, /*referencedFiles*/ [], /*typeReferences*/ [], /*hasNoDefaultLib*/ false, /*libReferences*/ []); + return newFile; + } + needsDeclare = true; + var updated = ts.isSourceFileJS(sourceFile) ? factory.createNodeArray(transformDeclarationsForJS(sourceFile)) : ts.visitNodes(sourceFile.statements, visitDeclarationStatements); + return factory.updateSourceFile(sourceFile, transformAndReplaceLatePaintedStatements(updated), /*isDeclarationFile*/ true, /*referencedFiles*/ [], /*typeReferences*/ [], /*hasNoDefaultLib*/ false, /*libReferences*/ []); + }), ts.mapDefined(node.prepends, function (prepend) { + if (prepend.kind === 308 /* SyntaxKind.InputFiles */) { + var sourceFile = ts.createUnparsedSourceFile(prepend, "dts", stripInternal); + hasNoDefaultLib_1 = hasNoDefaultLib_1 || !!sourceFile.hasNoDefaultLib; + collectReferences(sourceFile, refs); + recordTypeReferenceDirectivesIfNecessary(ts.map(sourceFile.typeReferenceDirectives, function (ref) { return [ref.fileName, ref.resolutionMode]; })); + collectLibs(sourceFile, libs); + return sourceFile; + } + return prepend; + })); + bundle.syntheticFileReferences = []; + bundle.syntheticTypeReferences = getFileReferencesForUsedTypeReferences(); + bundle.syntheticLibReferences = getLibReferences(); + bundle.hasNoDefaultLib = hasNoDefaultLib_1; + var outputFilePath_1 = ts.getDirectoryPath(ts.normalizeSlashes(ts.getOutputPathsFor(node, host, /*forceDtsPaths*/ true).declarationFilePath)); + var referenceVisitor_1 = mapReferencesIntoArray(bundle.syntheticFileReferences, outputFilePath_1); + refs.forEach(referenceVisitor_1); + return bundle; + } + // Single source file + needsDeclare = true; + needsScopeFixMarker = false; + resultHasScopeMarker = false; + enclosingDeclaration = node; + currentSourceFile = node; + getSymbolAccessibilityDiagnostic = throwDiagnostic; + isBundledEmit = false; + resultHasExternalModuleIndicator = false; + suppressNewDiagnosticContexts = false; + lateMarkedStatements = undefined; + lateStatementReplacementMap = new ts.Map(); + necessaryTypeReferences = undefined; + refs = collectReferences(currentSourceFile, new ts.Map()); + libs = collectLibs(currentSourceFile, new ts.Map()); + var references = []; + var outputFilePath = ts.getDirectoryPath(ts.normalizeSlashes(ts.getOutputPathsFor(node, host, /*forceDtsPaths*/ true).declarationFilePath)); + var referenceVisitor = mapReferencesIntoArray(references, outputFilePath); + var combinedStatements; + if (ts.isSourceFileJS(currentSourceFile)) { + combinedStatements = factory.createNodeArray(transformDeclarationsForJS(node)); + refs.forEach(referenceVisitor); + emittedImports = ts.filter(combinedStatements, ts.isAnyImportSyntax); + } + else { + var statements = ts.visitNodes(node.statements, visitDeclarationStatements); + combinedStatements = ts.setTextRange(factory.createNodeArray(transformAndReplaceLatePaintedStatements(statements)), node.statements); + refs.forEach(referenceVisitor); + emittedImports = ts.filter(combinedStatements, ts.isAnyImportSyntax); + if (ts.isExternalModule(node) && (!resultHasExternalModuleIndicator || (needsScopeFixMarker && !resultHasScopeMarker))) { + combinedStatements = ts.setTextRange(factory.createNodeArray(__spreadArray(__spreadArray([], combinedStatements, true), [ts.createEmptyExports(factory)], false)), combinedStatements); + } + } + var updated = factory.updateSourceFile(node, combinedStatements, /*isDeclarationFile*/ true, references, getFileReferencesForUsedTypeReferences(), node.hasNoDefaultLib, getLibReferences()); + updated.exportedModulesFromDeclarationEmit = exportedModulesFromDeclarationEmit; + return updated; + function getLibReferences() { + return ts.map(ts.arrayFrom(libs.keys()), function (lib) { return ({ fileName: lib, pos: -1, end: -1 }); }); + } + function getFileReferencesForUsedTypeReferences() { + return necessaryTypeReferences ? ts.mapDefined(ts.arrayFrom(necessaryTypeReferences.keys()), getFileReferenceForSpecifierModeTuple) : []; + } + function getFileReferenceForSpecifierModeTuple(_a) { + var typeName = _a[0], mode = _a[1]; + // Elide type references for which we have imports + if (emittedImports) { + for (var _i = 0, emittedImports_1 = emittedImports; _i < emittedImports_1.length; _i++) { + var importStatement = emittedImports_1[_i]; + if (ts.isImportEqualsDeclaration(importStatement) && ts.isExternalModuleReference(importStatement.moduleReference)) { + var expr = importStatement.moduleReference.expression; + if (ts.isStringLiteralLike(expr) && expr.text === typeName) { + return undefined; + } + } + else if (ts.isImportDeclaration(importStatement) && ts.isStringLiteral(importStatement.moduleSpecifier) && importStatement.moduleSpecifier.text === typeName) { + return undefined; + } + } + } + return __assign({ fileName: typeName, pos: -1, end: -1 }, (mode ? { resolutionMode: mode } : undefined)); + } + function mapReferencesIntoArray(references, outputFilePath) { + return function (file) { + var declFileName; + if (file.isDeclarationFile) { // Neither decl files or js should have their refs changed + declFileName = file.fileName; + } + else { + if (isBundledEmit && ts.contains(node.sourceFiles, file)) + return; // Omit references to files which are being merged + var paths = ts.getOutputPathsFor(file, host, /*forceDtsPaths*/ true); + declFileName = paths.declarationFilePath || paths.jsFilePath || file.fileName; + } + if (declFileName) { + var specifier = ts.moduleSpecifiers.getModuleSpecifier(options, currentSourceFile, ts.toPath(outputFilePath, host.getCurrentDirectory(), host.getCanonicalFileName), ts.toPath(declFileName, host.getCurrentDirectory(), host.getCanonicalFileName), host); + if (!ts.pathIsRelative(specifier)) { + // If some compiler option/symlink/whatever allows access to the file containing the ambient module declaration + // via a non-relative name, emit a type reference directive to that non-relative name, rather than + // a relative path to the declaration file + recordTypeReferenceDirectivesIfNecessary([[specifier, /*mode*/ undefined]]); + return; + } + var fileName = ts.getRelativePathToDirectoryOrUrl(outputFilePath, declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ false); + if (ts.startsWith(fileName, "./") && ts.hasExtension(fileName)) { + fileName = fileName.substring(2); + } + // omit references to files from node_modules (npm may disambiguate module + // references when installing this package, making the path is unreliable). + if (ts.startsWith(fileName, "node_modules/") || ts.pathContainsNodeModules(fileName)) { + return; + } + references.push({ pos: -1, end: -1, fileName: fileName }); + } + }; + } + } + function collectReferences(sourceFile, ret) { + if (noResolve || (!ts.isUnparsedSource(sourceFile) && ts.isSourceFileJS(sourceFile))) + return ret; + ts.forEach(sourceFile.referencedFiles, function (f) { + var elem = host.getSourceFileFromReference(sourceFile, f); + if (elem) { + ret.set(ts.getOriginalNodeId(elem), elem); + } + }); + return ret; + } + function collectLibs(sourceFile, ret) { + ts.forEach(sourceFile.libReferenceDirectives, function (ref) { + var lib = host.getLibFileFromReference(ref); + if (lib) { + ret.set(ts.toFileNameLowerCase(ref.fileName), true); + } + }); + return ret; + } + function filterBindingPatternInitializers(name) { + if (name.kind === 79 /* SyntaxKind.Identifier */) { + return name; + } + else { + if (name.kind === 202 /* SyntaxKind.ArrayBindingPattern */) { + return factory.updateArrayBindingPattern(name, ts.visitNodes(name.elements, visitBindingElement)); + } + else { + return factory.updateObjectBindingPattern(name, ts.visitNodes(name.elements, visitBindingElement)); + } + } + function visitBindingElement(elem) { + if (elem.kind === 227 /* SyntaxKind.OmittedExpression */) { + return elem; + } + return factory.updateBindingElement(elem, elem.dotDotDotToken, elem.propertyName, filterBindingPatternInitializers(elem.name), shouldPrintWithInitializer(elem) ? elem.initializer : undefined); + } + } + function ensureParameter(p, modifierMask, type) { + var oldDiag; + if (!suppressNewDiagnosticContexts) { + oldDiag = getSymbolAccessibilityDiagnostic; + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(p); + } + var newParam = factory.updateParameterDeclaration(p, + /*decorators*/ undefined, maskModifiers(p, modifierMask), p.dotDotDotToken, filterBindingPatternInitializers(p.name), resolver.isOptionalParameter(p) ? (p.questionToken || factory.createToken(57 /* SyntaxKind.QuestionToken */)) : undefined, ensureType(p, type || p.type, /*ignorePrivate*/ true), // Ignore private param props, since this type is going straight back into a param + ensureNoInitializer(p)); + if (!suppressNewDiagnosticContexts) { + getSymbolAccessibilityDiagnostic = oldDiag; + } + return newParam; + } + function shouldPrintWithInitializer(node) { + return canHaveLiteralInitializer(node) && resolver.isLiteralConstDeclaration(ts.getParseTreeNode(node)); // TODO: Make safe + } + function ensureNoInitializer(node) { + if (shouldPrintWithInitializer(node)) { + return resolver.createLiteralConstValue(ts.getParseTreeNode(node), symbolTracker); // TODO: Make safe + } + return undefined; + } + function ensureType(node, type, ignorePrivate) { + if (!ignorePrivate && ts.hasEffectiveModifier(node, 8 /* ModifierFlags.Private */)) { + // Private nodes emit no types (except private parameter properties, whose parameter types are actually visible) + return; + } + if (shouldPrintWithInitializer(node)) { + // Literal const declarations will have an initializer ensured rather than a type + return; + } + var shouldUseResolverType = node.kind === 164 /* SyntaxKind.Parameter */ && + (resolver.isRequiredInitializedParameter(node) || + resolver.isOptionalUninitializedParameterProperty(node)); + if (type && !shouldUseResolverType) { + return ts.visitNode(type, visitDeclarationSubtree); + } + if (!ts.getParseTreeNode(node)) { + return type ? ts.visitNode(type, visitDeclarationSubtree) : factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + if (node.kind === 173 /* SyntaxKind.SetAccessor */) { + // Set accessors with no associated type node (from it's param or get accessor return) are `any` since they are never contextually typed right now + // (The inferred type here will be void, but the old declaration emitter printed `any`, so this replicates that) + return factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + errorNameNode = node.name; + var oldDiag; + if (!suppressNewDiagnosticContexts) { + oldDiag = getSymbolAccessibilityDiagnostic; + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(node); + } + if (node.kind === 254 /* SyntaxKind.VariableDeclaration */ || node.kind === 203 /* SyntaxKind.BindingElement */) { + return cleanup(resolver.createTypeOfDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker)); + } + if (node.kind === 164 /* SyntaxKind.Parameter */ + || node.kind === 167 /* SyntaxKind.PropertyDeclaration */ + || node.kind === 166 /* SyntaxKind.PropertySignature */) { + if (!node.initializer) + return cleanup(resolver.createTypeOfDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker, shouldUseResolverType)); + return cleanup(resolver.createTypeOfDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker, shouldUseResolverType) || resolver.createTypeOfExpression(node.initializer, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker)); + } + return cleanup(resolver.createReturnTypeOfSignatureDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker)); + function cleanup(returnValue) { + errorNameNode = undefined; + if (!suppressNewDiagnosticContexts) { + getSymbolAccessibilityDiagnostic = oldDiag; + } + return returnValue || factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + } + function isDeclarationAndNotVisible(node) { + node = ts.getParseTreeNode(node); + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + return !resolver.isDeclarationVisible(node); + // The following should be doing their own visibility checks based on filtering their members + case 254 /* SyntaxKind.VariableDeclaration */: + return !getBindingNameVisible(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + case 271 /* SyntaxKind.ExportAssignment */: + return false; + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return true; + } + return false; + } + // If the ExpandoFunctionDeclaration have multiple overloads, then we only need to emit properties for the last one. + function shouldEmitFunctionProperties(input) { + var _a; + if (input.body) { + return true; + } + var overloadSignatures = (_a = input.symbol.declarations) === null || _a === void 0 ? void 0 : _a.filter(function (decl) { return ts.isFunctionDeclaration(decl) && !decl.body; }); + return !overloadSignatures || overloadSignatures.indexOf(input) === overloadSignatures.length - 1; + } + function getBindingNameVisible(elem) { + if (ts.isOmittedExpression(elem)) { + return false; + } + if (ts.isBindingPattern(elem.name)) { + // If any child binding pattern element has been marked visible (usually by collect linked aliases), then this is visible + return ts.some(elem.name.elements, getBindingNameVisible); + } + else { + return resolver.isDeclarationVisible(elem); + } + } + function updateParamsList(node, params, modifierMask) { + if (ts.hasEffectiveModifier(node, 8 /* ModifierFlags.Private */)) { + return undefined; // TODO: GH#18217 + } + var newParams = ts.map(params, function (p) { return ensureParameter(p, modifierMask); }); + if (!newParams) { + return undefined; // TODO: GH#18217 + } + return factory.createNodeArray(newParams, params.hasTrailingComma); + } + function updateAccessorParamsList(input, isPrivate) { + var newParams; + if (!isPrivate) { + var thisParameter = ts.getThisParameter(input); + if (thisParameter) { + newParams = [ensureParameter(thisParameter)]; + } + } + if (ts.isSetAccessorDeclaration(input)) { + var newValueParameter = void 0; + if (!isPrivate) { + var valueParameter = ts.getSetAccessorValueParameter(input); + if (valueParameter) { + var accessorType = getTypeAnnotationFromAllAccessorDeclarations(input, resolver.getAllAccessorDeclarations(input)); + newValueParameter = ensureParameter(valueParameter, /*modifierMask*/ undefined, accessorType); + } + } + if (!newValueParameter) { + newValueParameter = factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, "value"); + } + newParams = ts.append(newParams, newValueParameter); + } + return factory.createNodeArray(newParams || ts.emptyArray); + } + function ensureTypeParams(node, params) { + return ts.hasEffectiveModifier(node, 8 /* ModifierFlags.Private */) ? undefined : ts.visitNodes(params, visitDeclarationSubtree); + } + function isEnclosingDeclaration(node) { + return ts.isSourceFile(node) + || ts.isTypeAliasDeclaration(node) + || ts.isModuleDeclaration(node) + || ts.isClassDeclaration(node) + || ts.isInterfaceDeclaration(node) + || ts.isFunctionLike(node) + || ts.isIndexSignatureDeclaration(node) + || ts.isMappedTypeNode(node); + } + function checkEntityNameVisibility(entityName, enclosingDeclaration) { + var visibilityResult = resolver.isEntityNameVisible(entityName, enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName)); + } + function preserveJsDoc(updated, original) { + if (ts.hasJSDocNodes(updated) && ts.hasJSDocNodes(original)) { + updated.jsDoc = original.jsDoc; + } + return ts.setCommentRange(updated, ts.getCommentRange(original)); + } + function rewriteModuleSpecifier(parent, input) { + if (!input) + return undefined; // TODO: GH#18217 + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || (parent.kind !== 261 /* SyntaxKind.ModuleDeclaration */ && parent.kind !== 200 /* SyntaxKind.ImportType */); + if (ts.isStringLiteralLike(input)) { + if (isBundledEmit) { + var newName = ts.getExternalModuleNameFromDeclaration(context.getEmitHost(), resolver, parent); + if (newName) { + return factory.createStringLiteral(newName); + } + } + else { + var symbol = resolver.getSymbolOfExternalModuleSpecifier(input); + if (symbol) { + (exportedModulesFromDeclarationEmit || (exportedModulesFromDeclarationEmit = [])).push(symbol); + } + } + } + return input; + } + function transformImportEqualsDeclaration(decl) { + if (!resolver.isDeclarationVisible(decl)) + return; + if (decl.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */) { + // Rewrite external module names if necessary + var specifier = ts.getExternalModuleImportEqualsDeclarationExpression(decl); + return factory.updateImportEqualsDeclaration(decl, + /*decorators*/ undefined, decl.modifiers, decl.isTypeOnly, decl.name, factory.updateExternalModuleReference(decl.moduleReference, rewriteModuleSpecifier(decl, specifier))); + } + else { + var oldDiag = getSymbolAccessibilityDiagnostic; + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(decl); + checkEntityNameVisibility(decl.moduleReference, enclosingDeclaration); + getSymbolAccessibilityDiagnostic = oldDiag; + return decl; + } + } + function transformImportDeclaration(decl) { + if (!decl.importClause) { + // import "mod" - possibly needed for side effects? (global interface patches, module augmentations, etc) + return factory.updateImportDeclaration(decl, + /*decorators*/ undefined, decl.modifiers, decl.importClause, rewriteModuleSpecifier(decl, decl.moduleSpecifier), getResolutionModeOverrideForClauseInNightly(decl.assertClause)); + } + // The `importClause` visibility corresponds to the default's visibility. + var visibleDefaultBinding = decl.importClause && decl.importClause.name && resolver.isDeclarationVisible(decl.importClause) ? decl.importClause.name : undefined; + if (!decl.importClause.namedBindings) { + // No named bindings (either namespace or list), meaning the import is just default or should be elided + return visibleDefaultBinding && factory.updateImportDeclaration(decl, /*decorators*/ undefined, decl.modifiers, factory.updateImportClause(decl.importClause, decl.importClause.isTypeOnly, visibleDefaultBinding, + /*namedBindings*/ undefined), rewriteModuleSpecifier(decl, decl.moduleSpecifier), getResolutionModeOverrideForClauseInNightly(decl.assertClause)); + } + if (decl.importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + // Namespace import (optionally with visible default) + var namedBindings = resolver.isDeclarationVisible(decl.importClause.namedBindings) ? decl.importClause.namedBindings : /*namedBindings*/ undefined; + return visibleDefaultBinding || namedBindings ? factory.updateImportDeclaration(decl, /*decorators*/ undefined, decl.modifiers, factory.updateImportClause(decl.importClause, decl.importClause.isTypeOnly, visibleDefaultBinding, namedBindings), rewriteModuleSpecifier(decl, decl.moduleSpecifier), getResolutionModeOverrideForClauseInNightly(decl.assertClause)) : undefined; + } + // Named imports (optionally with visible default) + var bindingList = ts.mapDefined(decl.importClause.namedBindings.elements, function (b) { return resolver.isDeclarationVisible(b) ? b : undefined; }); + if ((bindingList && bindingList.length) || visibleDefaultBinding) { + return factory.updateImportDeclaration(decl, + /*decorators*/ undefined, decl.modifiers, factory.updateImportClause(decl.importClause, decl.importClause.isTypeOnly, visibleDefaultBinding, bindingList && bindingList.length ? factory.updateNamedImports(decl.importClause.namedBindings, bindingList) : undefined), rewriteModuleSpecifier(decl, decl.moduleSpecifier), getResolutionModeOverrideForClauseInNightly(decl.assertClause)); + } + // Augmentation of export depends on import + if (resolver.isImportRequiredByAugmentation(decl)) { + return factory.updateImportDeclaration(decl, + /*decorators*/ undefined, decl.modifiers, + /*importClause*/ undefined, rewriteModuleSpecifier(decl, decl.moduleSpecifier), getResolutionModeOverrideForClauseInNightly(decl.assertClause)); + } + // Nothing visible + } + function getResolutionModeOverrideForClauseInNightly(assertClause) { + var mode = ts.getResolutionModeOverrideForClause(assertClause); + if (mode !== undefined) { + if (!ts.isNightly()) { + context.addDiagnostic(ts.createDiagnosticForNode(assertClause, ts.Diagnostics.resolution_mode_assertions_are_unstable_Use_nightly_TypeScript_to_silence_this_error_Try_updating_with_npm_install_D_typescript_next)); + } + return assertClause; + } + return undefined; + } + function transformAndReplaceLatePaintedStatements(statements) { + // This is a `while` loop because `handleSymbolAccessibilityError` can see additional import aliases marked as visible during + // error handling which must now be included in the output and themselves checked for errors. + // For example: + // ``` + // module A { + // export module Q {} + // import B = Q; + // import C = B; + // export import D = C; + // } + // ``` + // In such a scenario, only Q and D are initially visible, but we don't consider imports as private names - instead we say they if they are referenced they must + // be recorded. So while checking D's visibility we mark C as visible, then we must check C which in turn marks B, completing the chain of + // dependent imports and allowing a valid declaration file output. Today, this dependent alias marking only happens for internal import aliases. + while (ts.length(lateMarkedStatements)) { + var i = lateMarkedStatements.shift(); + if (!ts.isLateVisibilityPaintedStatement(i)) { + return ts.Debug.fail("Late replaced statement was found which is not handled by the declaration transformer!: ".concat(ts.SyntaxKind ? ts.SyntaxKind[i.kind] : i.kind)); + } + var priorNeedsDeclare = needsDeclare; + needsDeclare = i.parent && ts.isSourceFile(i.parent) && !(ts.isExternalModule(i.parent) && isBundledEmit); + var result = transformTopLevelDeclaration(i); + needsDeclare = priorNeedsDeclare; + lateStatementReplacementMap.set(ts.getOriginalNodeId(i), result); + } + // And lastly, we need to get the final form of all those indetermine import declarations from before and add them to the output list + // (and remove them from the set to examine for outter declarations) + return ts.visitNodes(statements, visitLateVisibilityMarkedStatements); + function visitLateVisibilityMarkedStatements(statement) { + if (ts.isLateVisibilityPaintedStatement(statement)) { + var key = ts.getOriginalNodeId(statement); + if (lateStatementReplacementMap.has(key)) { + var result = lateStatementReplacementMap.get(key); + lateStatementReplacementMap.delete(key); + if (result) { + if (ts.isArray(result) ? ts.some(result, ts.needsScopeMarker) : ts.needsScopeMarker(result)) { + // Top-level declarations in .d.ts files are always considered exported even without a modifier unless there's an export assignment or specifier + needsScopeFixMarker = true; + } + if (ts.isSourceFile(statement.parent) && (ts.isArray(result) ? ts.some(result, ts.isExternalModuleIndicator) : ts.isExternalModuleIndicator(result))) { + resultHasExternalModuleIndicator = true; + } + } + return result; + } + } + return statement; + } + } + function visitDeclarationSubtree(input) { + if (shouldStripInternal(input)) + return; + if (ts.isDeclaration(input)) { + if (isDeclarationAndNotVisible(input)) + return; + if (ts.hasDynamicName(input) && !resolver.isLateBound(ts.getParseTreeNode(input))) { + return; + } + } + // Elide implementation signatures from overload sets + if (ts.isFunctionLike(input) && resolver.isImplementationOfOverload(input)) + return; + // Elide semicolon class statements + if (ts.isSemicolonClassElement(input)) + return; + var previousEnclosingDeclaration; + if (isEnclosingDeclaration(input)) { + previousEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = input; + } + var oldDiag = getSymbolAccessibilityDiagnostic; + // Setup diagnostic-related flags before first potential `cleanup` call, otherwise + // We'd see a TDZ violation at runtime + var canProduceDiagnostic = ts.canProduceDiagnostics(input); + var oldWithinObjectLiteralType = suppressNewDiagnosticContexts; + var shouldEnterSuppressNewDiagnosticsContextContext = ((input.kind === 182 /* SyntaxKind.TypeLiteral */ || input.kind === 195 /* SyntaxKind.MappedType */) && input.parent.kind !== 259 /* SyntaxKind.TypeAliasDeclaration */); + // Emit methods which are private as properties with no type information + if (ts.isMethodDeclaration(input) || ts.isMethodSignature(input)) { + if (ts.hasEffectiveModifier(input, 8 /* ModifierFlags.Private */)) { + if (input.symbol && input.symbol.declarations && input.symbol.declarations[0] !== input) + return; // Elide all but the first overload + return cleanup(factory.createPropertyDeclaration(/*decorators*/ undefined, ensureModifiers(input), input.name, /*questionToken*/ undefined, /*type*/ undefined, /*initializer*/ undefined)); + } + } + if (canProduceDiagnostic && !suppressNewDiagnosticContexts) { + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(input); + } + if (ts.isTypeQueryNode(input)) { + checkEntityNameVisibility(input.exprName, enclosingDeclaration); + } + if (shouldEnterSuppressNewDiagnosticsContextContext) { + // We stop making new diagnostic contexts within object literal types. Unless it's an object type on the RHS of a type alias declaration. Then we do. + suppressNewDiagnosticContexts = true; + } + if (isProcessedComponent(input)) { + switch (input.kind) { + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: { + if ((ts.isEntityName(input.expression) || ts.isEntityNameExpression(input.expression))) { + checkEntityNameVisibility(input.expression, enclosingDeclaration); + } + var node = ts.visitEachChild(input, visitDeclarationSubtree, context); + return cleanup(factory.updateExpressionWithTypeArguments(node, node.expression, node.typeArguments)); + } + case 178 /* SyntaxKind.TypeReference */: { + checkEntityNameVisibility(input.typeName, enclosingDeclaration); + var node = ts.visitEachChild(input, visitDeclarationSubtree, context); + return cleanup(factory.updateTypeReferenceNode(node, node.typeName, node.typeArguments)); + } + case 175 /* SyntaxKind.ConstructSignature */: + return cleanup(factory.updateConstructSignature(input, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type))); + case 171 /* SyntaxKind.Constructor */: { + // A constructor declaration may not have a type annotation + var ctor = factory.createConstructorDeclaration( + /*decorators*/ undefined, + /*modifiers*/ ensureModifiers(input), updateParamsList(input, input.parameters, 0 /* ModifierFlags.None */), + /*body*/ undefined); + return cleanup(ctor); + } + case 169 /* SyntaxKind.MethodDeclaration */: { + if (ts.isPrivateIdentifier(input.name)) { + return cleanup(/*returnValue*/ undefined); + } + var sig = factory.createMethodDeclaration( + /*decorators*/ undefined, ensureModifiers(input), + /*asteriskToken*/ undefined, input.name, input.questionToken, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type), + /*body*/ undefined); + return cleanup(sig); + } + case 172 /* SyntaxKind.GetAccessor */: { + if (ts.isPrivateIdentifier(input.name)) { + return cleanup(/*returnValue*/ undefined); + } + var accessorType = getTypeAnnotationFromAllAccessorDeclarations(input, resolver.getAllAccessorDeclarations(input)); + return cleanup(factory.updateGetAccessorDeclaration(input, + /*decorators*/ undefined, ensureModifiers(input), input.name, updateAccessorParamsList(input, ts.hasEffectiveModifier(input, 8 /* ModifierFlags.Private */)), ensureType(input, accessorType), + /*body*/ undefined)); + } + case 173 /* SyntaxKind.SetAccessor */: { + if (ts.isPrivateIdentifier(input.name)) { + return cleanup(/*returnValue*/ undefined); + } + return cleanup(factory.updateSetAccessorDeclaration(input, + /*decorators*/ undefined, ensureModifiers(input), input.name, updateAccessorParamsList(input, ts.hasEffectiveModifier(input, 8 /* ModifierFlags.Private */)), + /*body*/ undefined)); + } + case 167 /* SyntaxKind.PropertyDeclaration */: + if (ts.isPrivateIdentifier(input.name)) { + return cleanup(/*returnValue*/ undefined); + } + return cleanup(factory.updatePropertyDeclaration(input, + /*decorators*/ undefined, ensureModifiers(input), input.name, input.questionToken, ensureType(input, input.type), ensureNoInitializer(input))); + case 166 /* SyntaxKind.PropertySignature */: + if (ts.isPrivateIdentifier(input.name)) { + return cleanup(/*returnValue*/ undefined); + } + return cleanup(factory.updatePropertySignature(input, ensureModifiers(input), input.name, input.questionToken, ensureType(input, input.type))); + case 168 /* SyntaxKind.MethodSignature */: { + if (ts.isPrivateIdentifier(input.name)) { + return cleanup(/*returnValue*/ undefined); + } + return cleanup(factory.updateMethodSignature(input, ensureModifiers(input), input.name, input.questionToken, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type))); + } + case 174 /* SyntaxKind.CallSignature */: { + return cleanup(factory.updateCallSignature(input, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type))); + } + case 176 /* SyntaxKind.IndexSignature */: { + return cleanup(factory.updateIndexSignature(input, + /*decorators*/ undefined, ensureModifiers(input), updateParamsList(input, input.parameters), ts.visitNode(input.type, visitDeclarationSubtree) || factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */))); + } + case 254 /* SyntaxKind.VariableDeclaration */: { + if (ts.isBindingPattern(input.name)) { + return recreateBindingPattern(input.name); + } + shouldEnterSuppressNewDiagnosticsContextContext = true; + suppressNewDiagnosticContexts = true; // Variable declaration types also suppress new diagnostic contexts, provided the contexts wouldn't be made for binding pattern types + return cleanup(factory.updateVariableDeclaration(input, input.name, /*exclamationToken*/ undefined, ensureType(input, input.type), ensureNoInitializer(input))); + } + case 163 /* SyntaxKind.TypeParameter */: { + if (isPrivateMethodTypeParameter(input) && (input.default || input.constraint)) { + return cleanup(factory.updateTypeParameterDeclaration(input, input.modifiers, input.name, /*constraint*/ undefined, /*defaultType*/ undefined)); + } + return cleanup(ts.visitEachChild(input, visitDeclarationSubtree, context)); + } + case 189 /* SyntaxKind.ConditionalType */: { + // We have to process conditional types in a special way because for visibility purposes we need to push a new enclosingDeclaration + // just for the `infer` types in the true branch. It's an implicit declaration scope that only applies to _part_ of the type. + var checkType = ts.visitNode(input.checkType, visitDeclarationSubtree); + var extendsType = ts.visitNode(input.extendsType, visitDeclarationSubtree); + var oldEnclosingDecl = enclosingDeclaration; + enclosingDeclaration = input.trueType; + var trueType = ts.visitNode(input.trueType, visitDeclarationSubtree); + enclosingDeclaration = oldEnclosingDecl; + var falseType = ts.visitNode(input.falseType, visitDeclarationSubtree); + return cleanup(factory.updateConditionalTypeNode(input, checkType, extendsType, trueType, falseType)); + } + case 179 /* SyntaxKind.FunctionType */: { + return cleanup(factory.updateFunctionTypeNode(input, ts.visitNodes(input.typeParameters, visitDeclarationSubtree), updateParamsList(input, input.parameters), ts.visitNode(input.type, visitDeclarationSubtree))); + } + case 180 /* SyntaxKind.ConstructorType */: { + return cleanup(factory.updateConstructorTypeNode(input, ensureModifiers(input), ts.visitNodes(input.typeParameters, visitDeclarationSubtree), updateParamsList(input, input.parameters), ts.visitNode(input.type, visitDeclarationSubtree))); + } + case 200 /* SyntaxKind.ImportType */: { + if (!ts.isLiteralImportTypeNode(input)) + return cleanup(input); + return cleanup(factory.updateImportTypeNode(input, factory.updateLiteralTypeNode(input.argument, rewriteModuleSpecifier(input, input.argument.literal)), input.assertions, input.qualifier, ts.visitNodes(input.typeArguments, visitDeclarationSubtree, ts.isTypeNode), input.isTypeOf)); + } + default: ts.Debug.assertNever(input, "Attempted to process unhandled node kind: ".concat(ts.SyntaxKind[input.kind])); + } + } + if (ts.isTupleTypeNode(input) && (ts.getLineAndCharacterOfPosition(currentSourceFile, input.pos).line === ts.getLineAndCharacterOfPosition(currentSourceFile, input.end).line)) { + ts.setEmitFlags(input, 1 /* EmitFlags.SingleLine */); + } + return cleanup(ts.visitEachChild(input, visitDeclarationSubtree, context)); + function cleanup(returnValue) { + if (returnValue && canProduceDiagnostic && ts.hasDynamicName(input)) { + checkName(input); + } + if (isEnclosingDeclaration(input)) { + enclosingDeclaration = previousEnclosingDeclaration; + } + if (canProduceDiagnostic && !suppressNewDiagnosticContexts) { + getSymbolAccessibilityDiagnostic = oldDiag; + } + if (shouldEnterSuppressNewDiagnosticsContextContext) { + suppressNewDiagnosticContexts = oldWithinObjectLiteralType; + } + if (returnValue === input) { + return returnValue; + } + return returnValue && ts.setOriginalNode(preserveJsDoc(returnValue, input), input); + } + } + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 169 /* SyntaxKind.MethodDeclaration */ && ts.hasEffectiveModifier(node.parent, 8 /* ModifierFlags.Private */); + } + function visitDeclarationStatements(input) { + if (!isPreservedDeclarationStatement(input)) { + // return undefined for unmatched kinds to omit them from the tree + return; + } + if (shouldStripInternal(input)) + return; + switch (input.kind) { + case 272 /* SyntaxKind.ExportDeclaration */: { + if (ts.isSourceFile(input.parent)) { + resultHasExternalModuleIndicator = true; + } + resultHasScopeMarker = true; + // Always visible if the parent node isn't dropped for being not visible + // Rewrite external module names if necessary + return factory.updateExportDeclaration(input, + /*decorators*/ undefined, input.modifiers, input.isTypeOnly, input.exportClause, rewriteModuleSpecifier(input, input.moduleSpecifier), ts.getResolutionModeOverrideForClause(input.assertClause) ? input.assertClause : undefined); + } + case 271 /* SyntaxKind.ExportAssignment */: { + // Always visible if the parent node isn't dropped for being not visible + if (ts.isSourceFile(input.parent)) { + resultHasExternalModuleIndicator = true; + } + resultHasScopeMarker = true; + if (input.expression.kind === 79 /* SyntaxKind.Identifier */) { + return input; + } + else { + var newId = factory.createUniqueName("_default", 16 /* GeneratedIdentifierFlags.Optimistic */); + getSymbolAccessibilityDiagnostic = function () { return ({ + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: input + }); }; + errorFallbackNode = input; + var varDecl = factory.createVariableDeclaration(newId, /*exclamationToken*/ undefined, resolver.createTypeOfExpression(input.expression, input, declarationEmitNodeBuilderFlags, symbolTracker), /*initializer*/ undefined); + errorFallbackNode = undefined; + var statement = factory.createVariableStatement(needsDeclare ? [factory.createModifier(135 /* SyntaxKind.DeclareKeyword */)] : [], factory.createVariableDeclarationList([varDecl], 2 /* NodeFlags.Const */)); + preserveJsDoc(statement, input); + ts.removeAllComments(input); + return [statement, factory.updateExportAssignment(input, input.decorators, input.modifiers, newId)]; + } + } + } + var result = transformTopLevelDeclaration(input); + // Don't actually transform yet; just leave as original node - will be elided/swapped by late pass + lateStatementReplacementMap.set(ts.getOriginalNodeId(input), result); + return input; + } + function stripExportModifiers(statement) { + if (ts.isImportEqualsDeclaration(statement) || ts.hasEffectiveModifier(statement, 512 /* ModifierFlags.Default */) || !ts.canHaveModifiers(statement)) { + // `export import` statements should remain as-is, as imports are _not_ implicitly exported in an ambient namespace + // Likewise, `export default` classes and the like and just be `default`, so we preserve their `export` modifiers, too + return statement; + } + var modifiers = factory.createModifiersFromModifierFlags(ts.getEffectiveModifierFlags(statement) & (125951 /* ModifierFlags.All */ ^ 1 /* ModifierFlags.Export */)); + return factory.updateModifiers(statement, modifiers); + } + function transformTopLevelDeclaration(input) { + if (lateMarkedStatements) { + while (ts.orderedRemoveItem(lateMarkedStatements, input)) + ; + } + if (shouldStripInternal(input)) + return; + switch (input.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: { + return transformImportEqualsDeclaration(input); + } + case 266 /* SyntaxKind.ImportDeclaration */: { + return transformImportDeclaration(input); + } + } + if (ts.isDeclaration(input) && isDeclarationAndNotVisible(input)) + return; + // Elide implementation signatures from overload sets + if (ts.isFunctionLike(input) && resolver.isImplementationOfOverload(input)) + return; + var previousEnclosingDeclaration; + if (isEnclosingDeclaration(input)) { + previousEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = input; + } + var canProdiceDiagnostic = ts.canProduceDiagnostics(input); + var oldDiag = getSymbolAccessibilityDiagnostic; + if (canProdiceDiagnostic) { + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(input); + } + var previousNeedsDeclare = needsDeclare; + switch (input.kind) { + case 259 /* SyntaxKind.TypeAliasDeclaration */: // Type aliases get `declare`d if need be (for legacy support), but that's all + return cleanup(factory.updateTypeAliasDeclaration(input, + /*decorators*/ undefined, ensureModifiers(input), input.name, ts.visitNodes(input.typeParameters, visitDeclarationSubtree, ts.isTypeParameterDeclaration), ts.visitNode(input.type, visitDeclarationSubtree, ts.isTypeNode))); + case 258 /* SyntaxKind.InterfaceDeclaration */: { + return cleanup(factory.updateInterfaceDeclaration(input, + /*decorators*/ undefined, ensureModifiers(input), input.name, ensureTypeParams(input, input.typeParameters), transformHeritageClauses(input.heritageClauses), ts.visitNodes(input.members, visitDeclarationSubtree))); + } + case 256 /* SyntaxKind.FunctionDeclaration */: { + // Generators lose their generator-ness, excepting their return type + var clean = cleanup(factory.updateFunctionDeclaration(input, + /*decorators*/ undefined, ensureModifiers(input), + /*asteriskToken*/ undefined, input.name, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type), + /*body*/ undefined)); + if (clean && resolver.isExpandoFunctionDeclaration(input) && shouldEmitFunctionProperties(input)) { + var props = resolver.getPropertiesOfContainerFunction(input); + // Use parseNodeFactory so it is usable as an enclosing declaration + var fakespace_1 = ts.parseNodeFactory.createModuleDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, clean.name || factory.createIdentifier("_default"), factory.createModuleBlock([]), 16 /* NodeFlags.Namespace */); + ts.setParent(fakespace_1, enclosingDeclaration); + fakespace_1.locals = ts.createSymbolTable(props); + fakespace_1.symbol = props[0].parent; + var exportMappings_1 = []; + var declarations = ts.mapDefined(props, function (p) { + if (!p.valueDeclaration || !ts.isPropertyAccessExpression(p.valueDeclaration)) { + return undefined; // TODO GH#33569: Handle element access expressions that created late bound names (rather than silently omitting them) + } + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(p.valueDeclaration); + var type = resolver.createTypeOfDeclaration(p.valueDeclaration, fakespace_1, declarationEmitNodeBuilderFlags, symbolTracker); + getSymbolAccessibilityDiagnostic = oldDiag; + var nameStr = ts.unescapeLeadingUnderscores(p.escapedName); + var isNonContextualKeywordName = ts.isStringANonContextualKeyword(nameStr); + var name = isNonContextualKeywordName ? factory.getGeneratedNameForNode(p.valueDeclaration) : factory.createIdentifier(nameStr); + if (isNonContextualKeywordName) { + exportMappings_1.push([name, nameStr]); + } + var varDecl = factory.createVariableDeclaration(name, /*exclamationToken*/ undefined, type, /*initializer*/ undefined); + return factory.createVariableStatement(isNonContextualKeywordName ? undefined : [factory.createToken(93 /* SyntaxKind.ExportKeyword */)], factory.createVariableDeclarationList([varDecl])); + }); + if (!exportMappings_1.length) { + declarations = ts.mapDefined(declarations, function (declaration) { return factory.updateModifiers(declaration, 0 /* ModifierFlags.None */); }); + } + else { + declarations.push(factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, factory.createNamedExports(ts.map(exportMappings_1, function (_a) { + var gen = _a[0], exp = _a[1]; + return factory.createExportSpecifier(/*isTypeOnly*/ false, gen, exp); + })))); + } + var namespaceDecl = factory.createModuleDeclaration(/*decorators*/ undefined, ensureModifiers(input), input.name, factory.createModuleBlock(declarations), 16 /* NodeFlags.Namespace */); + if (!ts.hasEffectiveModifier(clean, 512 /* ModifierFlags.Default */)) { + return [clean, namespaceDecl]; + } + var modifiers = factory.createModifiersFromModifierFlags((ts.getEffectiveModifierFlags(clean) & ~513 /* ModifierFlags.ExportDefault */) | 2 /* ModifierFlags.Ambient */); + var cleanDeclaration = factory.updateFunctionDeclaration(clean, + /*decorators*/ undefined, modifiers, + /*asteriskToken*/ undefined, clean.name, clean.typeParameters, clean.parameters, clean.type, + /*body*/ undefined); + var namespaceDeclaration = factory.updateModuleDeclaration(namespaceDecl, + /*decorators*/ undefined, modifiers, namespaceDecl.name, namespaceDecl.body); + var exportDefaultDeclaration = factory.createExportAssignment( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isExportEquals*/ false, namespaceDecl.name); + if (ts.isSourceFile(input.parent)) { + resultHasExternalModuleIndicator = true; + } + resultHasScopeMarker = true; + return [cleanDeclaration, namespaceDeclaration, exportDefaultDeclaration]; + } + else { + return clean; + } + } + case 261 /* SyntaxKind.ModuleDeclaration */: { + needsDeclare = false; + var inner = input.body; + if (inner && inner.kind === 262 /* SyntaxKind.ModuleBlock */) { + var oldNeedsScopeFix = needsScopeFixMarker; + var oldHasScopeFix = resultHasScopeMarker; + resultHasScopeMarker = false; + needsScopeFixMarker = false; + var statements = ts.visitNodes(inner.statements, visitDeclarationStatements); + var lateStatements = transformAndReplaceLatePaintedStatements(statements); + if (input.flags & 16777216 /* NodeFlags.Ambient */) { + needsScopeFixMarker = false; // If it was `declare`'d everything is implicitly exported already, ignore late printed "privates" + } + // With the final list of statements, there are 3 possibilities: + // 1. There's an export assignment or export declaration in the namespace - do nothing + // 2. Everything is exported and there are no export assignments or export declarations - strip all export modifiers + // 3. Some things are exported, some are not, and there's no marker - add an empty marker + if (!ts.isGlobalScopeAugmentation(input) && !hasScopeMarker(lateStatements) && !resultHasScopeMarker) { + if (needsScopeFixMarker) { + lateStatements = factory.createNodeArray(__spreadArray(__spreadArray([], lateStatements, true), [ts.createEmptyExports(factory)], false)); + } + else { + lateStatements = ts.visitNodes(lateStatements, stripExportModifiers); + } + } + var body = factory.updateModuleBlock(inner, lateStatements); + needsDeclare = previousNeedsDeclare; + needsScopeFixMarker = oldNeedsScopeFix; + resultHasScopeMarker = oldHasScopeFix; + var mods = ensureModifiers(input); + return cleanup(factory.updateModuleDeclaration(input, + /*decorators*/ undefined, mods, ts.isExternalModuleAugmentation(input) ? rewriteModuleSpecifier(input, input.name) : input.name, body)); + } + else { + needsDeclare = previousNeedsDeclare; + var mods = ensureModifiers(input); + needsDeclare = false; + ts.visitNode(inner, visitDeclarationStatements); + // eagerly transform nested namespaces (the nesting doesn't need any elision or painting done) + var id = ts.getOriginalNodeId(inner); // TODO: GH#18217 + var body = lateStatementReplacementMap.get(id); + lateStatementReplacementMap.delete(id); + return cleanup(factory.updateModuleDeclaration(input, + /*decorators*/ undefined, mods, input.name, body)); + } + } + case 257 /* SyntaxKind.ClassDeclaration */: { + errorNameNode = input.name; + errorFallbackNode = input; + var modifiers = factory.createNodeArray(ensureModifiers(input)); + var typeParameters = ensureTypeParams(input, input.typeParameters); + var ctor = ts.getFirstConstructorWithBody(input); + var parameterProperties = void 0; + if (ctor) { + var oldDiag_1 = getSymbolAccessibilityDiagnostic; + parameterProperties = ts.compact(ts.flatMap(ctor.parameters, function (param) { + if (!ts.hasSyntacticModifier(param, 16476 /* ModifierFlags.ParameterPropertyModifier */) || shouldStripInternal(param)) + return; + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(param); + if (param.name.kind === 79 /* SyntaxKind.Identifier */) { + return preserveJsDoc(factory.createPropertyDeclaration( + /*decorators*/ undefined, ensureModifiers(param), param.name, param.questionToken, ensureType(param, param.type), ensureNoInitializer(param)), param); + } + else { + // Pattern - this is currently an error, but we emit declarations for it somewhat correctly + return walkBindingPattern(param.name); + } + function walkBindingPattern(pattern) { + var elems; + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var elem = _a[_i]; + if (ts.isOmittedExpression(elem)) + continue; + if (ts.isBindingPattern(elem.name)) { + elems = ts.concatenate(elems, walkBindingPattern(elem.name)); + } + elems = elems || []; + elems.push(factory.createPropertyDeclaration( + /*decorators*/ undefined, ensureModifiers(param), elem.name, + /*questionToken*/ undefined, ensureType(elem, /*type*/ undefined), + /*initializer*/ undefined)); + } + return elems; + } + })); + getSymbolAccessibilityDiagnostic = oldDiag_1; + } + var hasPrivateIdentifier = ts.some(input.members, function (member) { return !!member.name && ts.isPrivateIdentifier(member.name); }); + // When the class has at least one private identifier, create a unique constant identifier to retain the nominal typing behavior + // Prevents other classes with the same public members from being used in place of the current class + var privateIdentifier = hasPrivateIdentifier ? [ + factory.createPropertyDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, factory.createPrivateIdentifier("#private"), + /*questionToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined) + ] : undefined; + var memberNodes = ts.concatenate(ts.concatenate(privateIdentifier, parameterProperties), ts.visitNodes(input.members, visitDeclarationSubtree)); + var members = factory.createNodeArray(memberNodes); + var extendsClause_1 = ts.getEffectiveBaseTypeNode(input); + if (extendsClause_1 && !ts.isEntityNameExpression(extendsClause_1.expression) && extendsClause_1.expression.kind !== 104 /* SyntaxKind.NullKeyword */) { + // We must add a temporary declaration for the extends clause expression + var oldId = input.name ? ts.unescapeLeadingUnderscores(input.name.escapedText) : "default"; + var newId_1 = factory.createUniqueName("".concat(oldId, "_base"), 16 /* GeneratedIdentifierFlags.Optimistic */); + getSymbolAccessibilityDiagnostic = function () { return ({ + diagnosticMessage: ts.Diagnostics.extends_clause_of_exported_class_0_has_or_is_using_private_name_1, + errorNode: extendsClause_1, + typeName: input.name + }); }; + var varDecl = factory.createVariableDeclaration(newId_1, /*exclamationToken*/ undefined, resolver.createTypeOfExpression(extendsClause_1.expression, input, declarationEmitNodeBuilderFlags, symbolTracker), /*initializer*/ undefined); + var statement = factory.createVariableStatement(needsDeclare ? [factory.createModifier(135 /* SyntaxKind.DeclareKeyword */)] : [], factory.createVariableDeclarationList([varDecl], 2 /* NodeFlags.Const */)); + var heritageClauses = factory.createNodeArray(ts.map(input.heritageClauses, function (clause) { + if (clause.token === 94 /* SyntaxKind.ExtendsKeyword */) { + var oldDiag_2 = getSymbolAccessibilityDiagnostic; + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(clause.types[0]); + var newClause = factory.updateHeritageClause(clause, ts.map(clause.types, function (t) { return factory.updateExpressionWithTypeArguments(t, newId_1, ts.visitNodes(t.typeArguments, visitDeclarationSubtree)); })); + getSymbolAccessibilityDiagnostic = oldDiag_2; + return newClause; + } + return factory.updateHeritageClause(clause, ts.visitNodes(factory.createNodeArray(ts.filter(clause.types, function (t) { return ts.isEntityNameExpression(t.expression) || t.expression.kind === 104 /* SyntaxKind.NullKeyword */; })), visitDeclarationSubtree)); + })); + return [statement, cleanup(factory.updateClassDeclaration(input, + /*decorators*/ undefined, modifiers, input.name, typeParameters, heritageClauses, members))]; // TODO: GH#18217 + } + else { + var heritageClauses = transformHeritageClauses(input.heritageClauses); + return cleanup(factory.updateClassDeclaration(input, + /*decorators*/ undefined, modifiers, input.name, typeParameters, heritageClauses, members)); + } + } + case 237 /* SyntaxKind.VariableStatement */: { + return cleanup(transformVariableStatement(input)); + } + case 260 /* SyntaxKind.EnumDeclaration */: { + return cleanup(factory.updateEnumDeclaration(input, /*decorators*/ undefined, factory.createNodeArray(ensureModifiers(input)), input.name, factory.createNodeArray(ts.mapDefined(input.members, function (m) { + if (shouldStripInternal(m)) + return; + // Rewrite enum values to their constants, if available + var constValue = resolver.getConstantValue(m); + return preserveJsDoc(factory.updateEnumMember(m, m.name, constValue !== undefined ? typeof constValue === "string" ? factory.createStringLiteral(constValue) : factory.createNumericLiteral(constValue) : undefined), m); + })))); + } + } + // Anything left unhandled is an error, so this should be unreachable + return ts.Debug.assertNever(input, "Unhandled top-level node in declaration emit: ".concat(ts.SyntaxKind[input.kind])); + function cleanup(node) { + if (isEnclosingDeclaration(input)) { + enclosingDeclaration = previousEnclosingDeclaration; + } + if (canProdiceDiagnostic) { + getSymbolAccessibilityDiagnostic = oldDiag; + } + if (input.kind === 261 /* SyntaxKind.ModuleDeclaration */) { + needsDeclare = previousNeedsDeclare; + } + if (node === input) { + return node; + } + errorFallbackNode = undefined; + errorNameNode = undefined; + return node && ts.setOriginalNode(preserveJsDoc(node, input), input); + } + } + function transformVariableStatement(input) { + if (!ts.forEach(input.declarationList.declarations, getBindingNameVisible)) + return; + var nodes = ts.visitNodes(input.declarationList.declarations, visitDeclarationSubtree); + if (!ts.length(nodes)) + return; + return factory.updateVariableStatement(input, factory.createNodeArray(ensureModifiers(input)), factory.updateVariableDeclarationList(input.declarationList, nodes)); + } + function recreateBindingPattern(d) { + return ts.flatten(ts.mapDefined(d.elements, function (e) { return recreateBindingElement(e); })); + } + function recreateBindingElement(e) { + if (e.kind === 227 /* SyntaxKind.OmittedExpression */) { + return; + } + if (e.name) { + if (!getBindingNameVisible(e)) + return; + if (ts.isBindingPattern(e.name)) { + return recreateBindingPattern(e.name); + } + else { + return factory.createVariableDeclaration(e.name, /*exclamationToken*/ undefined, ensureType(e, /*type*/ undefined), /*initializer*/ undefined); + } + } + } + function checkName(node) { + var oldDiag; + if (!suppressNewDiagnosticContexts) { + oldDiag = getSymbolAccessibilityDiagnostic; + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNodeName(node); + } + errorNameNode = node.name; + ts.Debug.assert(resolver.isLateBound(ts.getParseTreeNode(node))); // Should only be called with dynamic names + var decl = node; + var entityName = decl.name.expression; + checkEntityNameVisibility(entityName, enclosingDeclaration); + if (!suppressNewDiagnosticContexts) { + getSymbolAccessibilityDiagnostic = oldDiag; + } + errorNameNode = undefined; + } + function shouldStripInternal(node) { + return !!stripInternal && !!node && isInternalDeclaration(node, currentSourceFile); + } + function isScopeMarker(node) { + return ts.isExportAssignment(node) || ts.isExportDeclaration(node); + } + function hasScopeMarker(statements) { + return ts.some(statements, isScopeMarker); + } + function ensureModifiers(node) { + var currentFlags = ts.getEffectiveModifierFlags(node); + var newFlags = ensureModifierFlags(node); + if (currentFlags === newFlags) { + return node.modifiers; + } + return factory.createModifiersFromModifierFlags(newFlags); + } + function ensureModifierFlags(node) { + var mask = 125951 /* ModifierFlags.All */ ^ (4 /* ModifierFlags.Public */ | 256 /* ModifierFlags.Async */ | 16384 /* ModifierFlags.Override */); // No async and override modifiers in declaration files + var additions = (needsDeclare && !isAlwaysType(node)) ? 2 /* ModifierFlags.Ambient */ : 0 /* ModifierFlags.None */; + var parentIsFile = node.parent.kind === 305 /* SyntaxKind.SourceFile */; + if (!parentIsFile || (isBundledEmit && parentIsFile && ts.isExternalModule(node.parent))) { + mask ^= 2 /* ModifierFlags.Ambient */; + additions = 0 /* ModifierFlags.None */; + } + return maskModifierFlags(node, mask, additions); + } + function getTypeAnnotationFromAllAccessorDeclarations(node, accessors) { + var accessorType = getTypeAnnotationFromAccessor(node); + if (!accessorType && node !== accessors.firstAccessor) { + accessorType = getTypeAnnotationFromAccessor(accessors.firstAccessor); + // If we end up pulling the type from the second accessor, we also need to change the diagnostic context to get the expected error message + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(accessors.firstAccessor); + } + if (!accessorType && accessors.secondAccessor && node !== accessors.secondAccessor) { + accessorType = getTypeAnnotationFromAccessor(accessors.secondAccessor); + // If we end up pulling the type from the second accessor, we also need to change the diagnostic context to get the expected error message + getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(accessors.secondAccessor); + } + return accessorType; + } + function transformHeritageClauses(nodes) { + return factory.createNodeArray(ts.filter(ts.map(nodes, function (clause) { return factory.updateHeritageClause(clause, ts.visitNodes(factory.createNodeArray(ts.filter(clause.types, function (t) { + return ts.isEntityNameExpression(t.expression) || (clause.token === 94 /* SyntaxKind.ExtendsKeyword */ && t.expression.kind === 104 /* SyntaxKind.NullKeyword */); + })), visitDeclarationSubtree)); }), function (clause) { return clause.types && !!clause.types.length; })); + } + } + ts.transformDeclarations = transformDeclarations; + function isAlwaysType(node) { + if (node.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + return true; + } + return false; + } + // Elide "public" modifier, as it is the default + function maskModifiers(node, modifierMask, modifierAdditions) { + return ts.factory.createModifiersFromModifierFlags(maskModifierFlags(node, modifierMask, modifierAdditions)); + } + function maskModifierFlags(node, modifierMask, modifierAdditions) { + if (modifierMask === void 0) { modifierMask = 125951 /* ModifierFlags.All */ ^ 4 /* ModifierFlags.Public */; } + if (modifierAdditions === void 0) { modifierAdditions = 0 /* ModifierFlags.None */; } + var flags = (ts.getEffectiveModifierFlags(node) & modifierMask) | modifierAdditions; + if (flags & 512 /* ModifierFlags.Default */ && !(flags & 1 /* ModifierFlags.Export */)) { + // A non-exported default is a nonsequitor - we usually try to remove all export modifiers + // from statements in ambient declarations; but a default export must retain its export modifier to be syntactically valid + flags ^= 1 /* ModifierFlags.Export */; + } + if (flags & 512 /* ModifierFlags.Default */ && flags & 2 /* ModifierFlags.Ambient */) { + flags ^= 2 /* ModifierFlags.Ambient */; // `declare` is never required alongside `default` (and would be an error if printed) + } + return flags; + } + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 172 /* SyntaxKind.GetAccessor */ + ? accessor.type // Getter - return type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type // Setter parameter type + : undefined; + } + } + function canHaveLiteralInitializer(node) { + switch (node.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + return !ts.hasEffectiveModifier(node, 8 /* ModifierFlags.Private */); + case 164 /* SyntaxKind.Parameter */: + case 254 /* SyntaxKind.VariableDeclaration */: + return true; + } + return false; + } + function isPreservedDeclarationStatement(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 237 /* SyntaxKind.VariableStatement */: + case 266 /* SyntaxKind.ImportDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + case 271 /* SyntaxKind.ExportAssignment */: + return true; + } + return false; + } + function isProcessedComponent(node) { + switch (node.kind) { + case 175 /* SyntaxKind.ConstructSignature */: + case 171 /* SyntaxKind.Constructor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 168 /* SyntaxKind.MethodSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 176 /* SyntaxKind.IndexSignature */: + case 254 /* SyntaxKind.VariableDeclaration */: + case 163 /* SyntaxKind.TypeParameter */: + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + case 178 /* SyntaxKind.TypeReference */: + case 189 /* SyntaxKind.ConditionalType */: + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 200 /* SyntaxKind.ImportType */: + return true; + } + return false; + } +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + function getModuleTransformer(moduleKind) { + switch (moduleKind) { + case ts.ModuleKind.ESNext: + case ts.ModuleKind.ES2022: + case ts.ModuleKind.ES2020: + case ts.ModuleKind.ES2015: + return ts.transformECMAScriptModule; + case ts.ModuleKind.System: + return ts.transformSystemModule; + case ts.ModuleKind.Node16: + case ts.ModuleKind.NodeNext: + return ts.transformNodeModule; + default: + return ts.transformModule; + } + } + var TransformationState; + (function (TransformationState) { + TransformationState[TransformationState["Uninitialized"] = 0] = "Uninitialized"; + TransformationState[TransformationState["Initialized"] = 1] = "Initialized"; + TransformationState[TransformationState["Completed"] = 2] = "Completed"; + TransformationState[TransformationState["Disposed"] = 3] = "Disposed"; + })(TransformationState || (TransformationState = {})); + var SyntaxKindFeatureFlags; + (function (SyntaxKindFeatureFlags) { + SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["Substitution"] = 1] = "Substitution"; + SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["EmitNotifications"] = 2] = "EmitNotifications"; + })(SyntaxKindFeatureFlags || (SyntaxKindFeatureFlags = {})); + ts.noTransformers = { scriptTransformers: ts.emptyArray, declarationTransformers: ts.emptyArray }; + function getTransformers(compilerOptions, customTransformers, emitOnlyDtsFiles) { + return { + scriptTransformers: getScriptTransformers(compilerOptions, customTransformers, emitOnlyDtsFiles), + declarationTransformers: getDeclarationTransformers(customTransformers), + }; + } + ts.getTransformers = getTransformers; + function getScriptTransformers(compilerOptions, customTransformers, emitOnlyDtsFiles) { + if (emitOnlyDtsFiles) + return ts.emptyArray; + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var transformers = []; + ts.addRange(transformers, customTransformers && ts.map(customTransformers.before, wrapScriptTransformerFactory)); + transformers.push(ts.transformTypeScript); + transformers.push(ts.transformClassFields); + if (ts.getJSXTransformEnabled(compilerOptions)) { + transformers.push(ts.transformJsx); + } + if (languageVersion < 99 /* ScriptTarget.ESNext */) { + transformers.push(ts.transformESNext); + } + if (languageVersion < 8 /* ScriptTarget.ES2021 */) { + transformers.push(ts.transformES2021); + } + if (languageVersion < 7 /* ScriptTarget.ES2020 */) { + transformers.push(ts.transformES2020); + } + if (languageVersion < 6 /* ScriptTarget.ES2019 */) { + transformers.push(ts.transformES2019); + } + if (languageVersion < 5 /* ScriptTarget.ES2018 */) { + transformers.push(ts.transformES2018); + } + if (languageVersion < 4 /* ScriptTarget.ES2017 */) { + transformers.push(ts.transformES2017); + } + if (languageVersion < 3 /* ScriptTarget.ES2016 */) { + transformers.push(ts.transformES2016); + } + if (languageVersion < 2 /* ScriptTarget.ES2015 */) { + transformers.push(ts.transformES2015); + transformers.push(ts.transformGenerators); + } + transformers.push(getModuleTransformer(moduleKind)); + // The ES5 transformer is last so that it can substitute expressions like `exports.default` + // for ES3. + if (languageVersion < 1 /* ScriptTarget.ES5 */) { + transformers.push(ts.transformES5); + } + ts.addRange(transformers, customTransformers && ts.map(customTransformers.after, wrapScriptTransformerFactory)); + return transformers; + } + function getDeclarationTransformers(customTransformers) { + var transformers = []; + transformers.push(ts.transformDeclarations); + ts.addRange(transformers, customTransformers && ts.map(customTransformers.afterDeclarations, wrapDeclarationTransformerFactory)); + return transformers; + } + /** + * Wrap a custom script or declaration transformer object in a `Transformer` callback with fallback support for transforming bundles. + */ + function wrapCustomTransformer(transformer) { + return function (node) { return ts.isBundle(node) ? transformer.transformBundle(node) : transformer.transformSourceFile(node); }; + } + /** + * Wrap a transformer factory that may return a custom script or declaration transformer object. + */ + function wrapCustomTransformerFactory(transformer, handleDefault) { + return function (context) { + var customTransformer = transformer(context); + return typeof customTransformer === "function" + ? handleDefault(context, customTransformer) + : wrapCustomTransformer(customTransformer); + }; + } + function wrapScriptTransformerFactory(transformer) { + return wrapCustomTransformerFactory(transformer, ts.chainBundle); + } + function wrapDeclarationTransformerFactory(transformer) { + return wrapCustomTransformerFactory(transformer, function (_, node) { return node; }); + } + function noEmitSubstitution(_hint, node) { + return node; + } + ts.noEmitSubstitution = noEmitSubstitution; + function noEmitNotification(hint, node, callback) { + callback(hint, node); + } + ts.noEmitNotification = noEmitNotification; + /** + * Transforms an array of SourceFiles by passing them through each transformer. + * + * @param resolver The emit resolver provided by the checker. + * @param host The emit host object used to interact with the file system. + * @param options Compiler options to surface in the `TransformationContext`. + * @param nodes An array of nodes to transform. + * @param transforms An array of `TransformerFactory` callbacks. + * @param allowDtsFiles A value indicating whether to allow the transformation of .d.ts files. + */ + function transformNodes(resolver, host, factory, options, nodes, transformers, allowDtsFiles) { + var enabledSyntaxKindFeatures = new Array(355 /* SyntaxKind.Count */); + var lexicalEnvironmentVariableDeclarations; + var lexicalEnvironmentFunctionDeclarations; + var lexicalEnvironmentStatements; + var lexicalEnvironmentFlags = 0 /* LexicalEnvironmentFlags.None */; + var lexicalEnvironmentVariableDeclarationsStack = []; + var lexicalEnvironmentFunctionDeclarationsStack = []; + var lexicalEnvironmentStatementsStack = []; + var lexicalEnvironmentFlagsStack = []; + var lexicalEnvironmentStackOffset = 0; + var lexicalEnvironmentSuspended = false; + var blockScopedVariableDeclarationsStack = []; + var blockScopeStackOffset = 0; + var blockScopedVariableDeclarations; + var emitHelpers; + var onSubstituteNode = noEmitSubstitution; + var onEmitNode = noEmitNotification; + var state = 0 /* TransformationState.Uninitialized */; + var diagnostics = []; + // The transformation context is provided to each transformer as part of transformer + // initialization. + var context = { + factory: factory, + getCompilerOptions: function () { return options; }, + getEmitResolver: function () { return resolver; }, + getEmitHost: function () { return host; }, + getEmitHelperFactory: ts.memoize(function () { return ts.createEmitHelperFactory(context); }), + startLexicalEnvironment: startLexicalEnvironment, + suspendLexicalEnvironment: suspendLexicalEnvironment, + resumeLexicalEnvironment: resumeLexicalEnvironment, + endLexicalEnvironment: endLexicalEnvironment, + setLexicalEnvironmentFlags: setLexicalEnvironmentFlags, + getLexicalEnvironmentFlags: getLexicalEnvironmentFlags, + hoistVariableDeclaration: hoistVariableDeclaration, + hoistFunctionDeclaration: hoistFunctionDeclaration, + addInitializationStatement: addInitializationStatement, + startBlockScope: startBlockScope, + endBlockScope: endBlockScope, + addBlockScopedVariable: addBlockScopedVariable, + requestEmitHelper: requestEmitHelper, + readEmitHelpers: readEmitHelpers, + enableSubstitution: enableSubstitution, + enableEmitNotification: enableEmitNotification, + isSubstitutionEnabled: isSubstitutionEnabled, + isEmitNotificationEnabled: isEmitNotificationEnabled, + get onSubstituteNode() { return onSubstituteNode; }, + set onSubstituteNode(value) { + ts.Debug.assert(state < 1 /* TransformationState.Initialized */, "Cannot modify transformation hooks after initialization has completed."); + ts.Debug.assert(value !== undefined, "Value must not be 'undefined'"); + onSubstituteNode = value; + }, + get onEmitNode() { return onEmitNode; }, + set onEmitNode(value) { + ts.Debug.assert(state < 1 /* TransformationState.Initialized */, "Cannot modify transformation hooks after initialization has completed."); + ts.Debug.assert(value !== undefined, "Value must not be 'undefined'"); + onEmitNode = value; + }, + addDiagnostic: function (diag) { + diagnostics.push(diag); + } + }; + // Ensure the parse tree is clean before applying transformations + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + ts.disposeEmitNodes(ts.getSourceFileOfNode(ts.getParseTreeNode(node))); + } + ts.performance.mark("beforeTransform"); + // Chain together and initialize each transformer. + var transformersWithContext = transformers.map(function (t) { return t(context); }); + var transformation = function (node) { + for (var _i = 0, transformersWithContext_1 = transformersWithContext; _i < transformersWithContext_1.length; _i++) { + var transform = transformersWithContext_1[_i]; + node = transform(node); + } + return node; + }; + // prevent modification of transformation hooks. + state = 1 /* TransformationState.Initialized */; + // Transform each node. + var transformed = []; + for (var _a = 0, nodes_3 = nodes; _a < nodes_3.length; _a++) { + var node = nodes_3[_a]; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("emit" /* tracing.Phase.Emit */, "transformNodes", node.kind === 305 /* SyntaxKind.SourceFile */ ? { path: node.path } : { kind: node.kind, pos: node.pos, end: node.end }); + transformed.push((allowDtsFiles ? transformation : transformRoot)(node)); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + // prevent modification of the lexical environment. + state = 2 /* TransformationState.Completed */; + ts.performance.mark("afterTransform"); + ts.performance.measure("transformTime", "beforeTransform", "afterTransform"); + return { + transformed: transformed, + substituteNode: substituteNode, + emitNodeWithNotification: emitNodeWithNotification, + isEmitNotificationEnabled: isEmitNotificationEnabled, + dispose: dispose, + diagnostics: diagnostics + }; + function transformRoot(node) { + return node && (!ts.isSourceFile(node) || !node.isDeclarationFile) ? transformation(node) : node; + } + /** + * Enables expression substitutions in the pretty printer for the provided SyntaxKind. + */ + function enableSubstitution(kind) { + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the transformation context after transformation has completed."); + enabledSyntaxKindFeatures[kind] |= 1 /* SyntaxKindFeatureFlags.Substitution */; + } + /** + * Determines whether expression substitutions are enabled for the provided node. + */ + function isSubstitutionEnabled(node) { + return (enabledSyntaxKindFeatures[node.kind] & 1 /* SyntaxKindFeatureFlags.Substitution */) !== 0 + && (ts.getEmitFlags(node) & 4 /* EmitFlags.NoSubstitution */) === 0; + } + /** + * Emits a node with possible substitution. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emitCallback The callback used to emit the node or its substitute. + */ + function substituteNode(hint, node) { + ts.Debug.assert(state < 3 /* TransformationState.Disposed */, "Cannot substitute a node after the result is disposed."); + return node && isSubstitutionEnabled(node) && onSubstituteNode(hint, node) || node; + } + /** + * Enables before/after emit notifications in the pretty printer for the provided SyntaxKind. + */ + function enableEmitNotification(kind) { + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the transformation context after transformation has completed."); + enabledSyntaxKindFeatures[kind] |= 2 /* SyntaxKindFeatureFlags.EmitNotifications */; + } + /** + * Determines whether before/after emit notifications should be raised in the pretty + * printer when it emits a node. + */ + function isEmitNotificationEnabled(node) { + return (enabledSyntaxKindFeatures[node.kind] & 2 /* SyntaxKindFeatureFlags.EmitNotifications */) !== 0 + || (ts.getEmitFlags(node) & 2 /* EmitFlags.AdviseOnEmitNode */) !== 0; + } + /** + * Emits a node with possible emit notification. + * + * @param hint A hint as to the intended usage of the node. + * @param node The node to emit. + * @param emitCallback The callback used to emit the node. + */ + function emitNodeWithNotification(hint, node, emitCallback) { + ts.Debug.assert(state < 3 /* TransformationState.Disposed */, "Cannot invoke TransformationResult callbacks after the result is disposed."); + if (node) { + // TODO: Remove check and unconditionally use onEmitNode when API is breakingly changed + // (see https://github.com/microsoft/TypeScript/pull/36248/files/5062623f39120171b98870c71344b3242eb03d23#r369766739) + if (isEmitNotificationEnabled(node)) { + onEmitNode(hint, node, emitCallback); + } + else { + emitCallback(hint, node); + } + } + } + /** + * Records a hoisted variable declaration for the provided name within a lexical environment. + */ + function hoistVariableDeclaration(name) { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + var decl = ts.setEmitFlags(factory.createVariableDeclaration(name), 64 /* EmitFlags.NoNestedSourceMaps */); + if (!lexicalEnvironmentVariableDeclarations) { + lexicalEnvironmentVariableDeclarations = [decl]; + } + else { + lexicalEnvironmentVariableDeclarations.push(decl); + } + if (lexicalEnvironmentFlags & 1 /* LexicalEnvironmentFlags.InParameters */) { + lexicalEnvironmentFlags |= 2 /* LexicalEnvironmentFlags.VariablesHoistedInParameters */; + } + } + /** + * Records a hoisted function declaration within a lexical environment. + */ + function hoistFunctionDeclaration(func) { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + ts.setEmitFlags(func, 1048576 /* EmitFlags.CustomPrologue */); + if (!lexicalEnvironmentFunctionDeclarations) { + lexicalEnvironmentFunctionDeclarations = [func]; + } + else { + lexicalEnvironmentFunctionDeclarations.push(func); + } + } + /** + * Adds an initialization statement to the top of the lexical environment. + */ + function addInitializationStatement(node) { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + ts.setEmitFlags(node, 1048576 /* EmitFlags.CustomPrologue */); + if (!lexicalEnvironmentStatements) { + lexicalEnvironmentStatements = [node]; + } + else { + lexicalEnvironmentStatements.push(node); + } + } + /** + * Starts a new lexical environment. Any existing hoisted variable or function declarations + * are pushed onto a stack, and the related storage variables are reset. + */ + function startLexicalEnvironment() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + ts.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is suspended."); + // Save the current lexical environment. Rather than resizing the array we adjust the + // stack size variable. This allows us to reuse existing array slots we've + // already allocated between transformations to avoid allocation and GC overhead during + // transformation. + lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentVariableDeclarations; + lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentFunctionDeclarations; + lexicalEnvironmentStatementsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentStatements; + lexicalEnvironmentFlagsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentFlags; + lexicalEnvironmentStackOffset++; + lexicalEnvironmentVariableDeclarations = undefined; + lexicalEnvironmentFunctionDeclarations = undefined; + lexicalEnvironmentStatements = undefined; + lexicalEnvironmentFlags = 0 /* LexicalEnvironmentFlags.None */; + } + /** Suspends the current lexical environment, usually after visiting a parameter list. */ + function suspendLexicalEnvironment() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + ts.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is already suspended."); + lexicalEnvironmentSuspended = true; + } + /** Resumes a suspended lexical environment, usually before visiting a function body. */ + function resumeLexicalEnvironment() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + ts.Debug.assert(lexicalEnvironmentSuspended, "Lexical environment is not suspended."); + lexicalEnvironmentSuspended = false; + } + /** + * Ends a lexical environment. The previous set of hoisted declarations are restored and + * any hoisted declarations added in this environment are returned. + */ + function endLexicalEnvironment() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed."); + ts.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is suspended."); + var statements; + if (lexicalEnvironmentVariableDeclarations || + lexicalEnvironmentFunctionDeclarations || + lexicalEnvironmentStatements) { + if (lexicalEnvironmentFunctionDeclarations) { + statements = __spreadArray([], lexicalEnvironmentFunctionDeclarations, true); + } + if (lexicalEnvironmentVariableDeclarations) { + var statement = factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList(lexicalEnvironmentVariableDeclarations)); + ts.setEmitFlags(statement, 1048576 /* EmitFlags.CustomPrologue */); + if (!statements) { + statements = [statement]; + } + else { + statements.push(statement); + } + } + if (lexicalEnvironmentStatements) { + if (!statements) { + statements = __spreadArray([], lexicalEnvironmentStatements, true); + } + else { + statements = __spreadArray(__spreadArray([], statements, true), lexicalEnvironmentStatements, true); + } + } + } + // Restore the previous lexical environment. + lexicalEnvironmentStackOffset--; + lexicalEnvironmentVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset]; + lexicalEnvironmentFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset]; + lexicalEnvironmentStatements = lexicalEnvironmentStatementsStack[lexicalEnvironmentStackOffset]; + lexicalEnvironmentFlags = lexicalEnvironmentFlagsStack[lexicalEnvironmentStackOffset]; + if (lexicalEnvironmentStackOffset === 0) { + lexicalEnvironmentVariableDeclarationsStack = []; + lexicalEnvironmentFunctionDeclarationsStack = []; + lexicalEnvironmentStatementsStack = []; + lexicalEnvironmentFlagsStack = []; + } + return statements; + } + function setLexicalEnvironmentFlags(flags, value) { + lexicalEnvironmentFlags = value ? + lexicalEnvironmentFlags | flags : + lexicalEnvironmentFlags & ~flags; + } + function getLexicalEnvironmentFlags() { + return lexicalEnvironmentFlags; + } + /** + * Starts a block scope. Any existing block hoisted variables are pushed onto the stack and the related storage variables are reset. + */ + function startBlockScope() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot start a block scope during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot start a block scope after transformation has completed."); + blockScopedVariableDeclarationsStack[blockScopeStackOffset] = blockScopedVariableDeclarations; + blockScopeStackOffset++; + blockScopedVariableDeclarations = undefined; + } + /** + * Ends a block scope. The previous set of block hoisted variables are restored. Any hoisted declarations are returned. + */ + function endBlockScope() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot end a block scope during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot end a block scope after transformation has completed."); + var statements = ts.some(blockScopedVariableDeclarations) ? + [ + factory.createVariableStatement( + /*modifiers*/ undefined, factory.createVariableDeclarationList(blockScopedVariableDeclarations.map(function (identifier) { return factory.createVariableDeclaration(identifier); }), 1 /* NodeFlags.Let */)) + ] : undefined; + blockScopeStackOffset--; + blockScopedVariableDeclarations = blockScopedVariableDeclarationsStack[blockScopeStackOffset]; + if (blockScopeStackOffset === 0) { + blockScopedVariableDeclarationsStack = []; + } + return statements; + } + function addBlockScopedVariable(name) { + ts.Debug.assert(blockScopeStackOffset > 0, "Cannot add a block scoped variable outside of an iteration body."); + (blockScopedVariableDeclarations || (blockScopedVariableDeclarations = [])).push(name); + } + function requestEmitHelper(helper) { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the transformation context during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the transformation context after transformation has completed."); + ts.Debug.assert(!helper.scoped, "Cannot request a scoped emit helper."); + if (helper.dependencies) { + for (var _i = 0, _a = helper.dependencies; _i < _a.length; _i++) { + var h = _a[_i]; + requestEmitHelper(h); + } + } + emitHelpers = ts.append(emitHelpers, helper); + } + function readEmitHelpers() { + ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the transformation context during initialization."); + ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the transformation context after transformation has completed."); + var helpers = emitHelpers; + emitHelpers = undefined; + return helpers; + } + function dispose() { + if (state < 3 /* TransformationState.Disposed */) { + // Clean up emit nodes on parse tree + for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { + var node = nodes_4[_i]; + ts.disposeEmitNodes(ts.getSourceFileOfNode(ts.getParseTreeNode(node))); + } + // Release references to external entries for GC purposes. + lexicalEnvironmentVariableDeclarations = undefined; + lexicalEnvironmentVariableDeclarationsStack = undefined; + lexicalEnvironmentFunctionDeclarations = undefined; + lexicalEnvironmentFunctionDeclarationsStack = undefined; + onSubstituteNode = undefined; + onEmitNode = undefined; + emitHelpers = undefined; + // Prevent further use of the transformation result. + state = 3 /* TransformationState.Disposed */; + } + } + } + ts.transformNodes = transformNodes; + ts.nullTransformationContext = { + factory: ts.factory, + getCompilerOptions: function () { return ({}); }, + getEmitResolver: ts.notImplemented, + getEmitHost: ts.notImplemented, + getEmitHelperFactory: ts.notImplemented, + startLexicalEnvironment: ts.noop, + resumeLexicalEnvironment: ts.noop, + suspendLexicalEnvironment: ts.noop, + endLexicalEnvironment: ts.returnUndefined, + setLexicalEnvironmentFlags: ts.noop, + getLexicalEnvironmentFlags: function () { return 0; }, + hoistVariableDeclaration: ts.noop, + hoistFunctionDeclaration: ts.noop, + addInitializationStatement: ts.noop, + startBlockScope: ts.noop, + endBlockScope: ts.returnUndefined, + addBlockScopedVariable: ts.noop, + requestEmitHelper: ts.noop, + readEmitHelpers: ts.notImplemented, + enableSubstitution: ts.noop, + enableEmitNotification: ts.noop, + isSubstitutionEnabled: ts.notImplemented, + isEmitNotificationEnabled: ts.notImplemented, + onSubstituteNode: noEmitSubstitution, + onEmitNode: noEmitNotification, + addDiagnostic: ts.noop, + }; +})(ts || (ts = {})); +var ts; +(function (ts) { + var brackets = createBracketsMap(); + /*@internal*/ + function isBuildInfoFile(file) { + return ts.fileExtensionIs(file, ".tsbuildinfo" /* Extension.TsBuildInfo */); + } + ts.isBuildInfoFile = isBuildInfoFile; + /*@internal*/ + /** + * Iterates over the source files that are expected to have an emit output. + * + * @param host An EmitHost. + * @param action The action to execute. + * @param sourceFilesOrTargetSourceFile + * If an array, the full list of source files to emit. + * Else, calls `getSourceFilesToEmit` with the (optional) target source file to determine the list of source files to emit. + */ + function forEachEmittedFile(host, action, sourceFilesOrTargetSourceFile, forceDtsEmit, onlyBuildInfo, includeBuildInfo) { + if (forceDtsEmit === void 0) { forceDtsEmit = false; } + var sourceFiles = ts.isArray(sourceFilesOrTargetSourceFile) ? sourceFilesOrTargetSourceFile : ts.getSourceFilesToEmit(host, sourceFilesOrTargetSourceFile, forceDtsEmit); + var options = host.getCompilerOptions(); + if (ts.outFile(options)) { + var prepends = host.getPrependNodes(); + if (sourceFiles.length || prepends.length) { + var bundle = ts.factory.createBundle(sourceFiles, prepends); + var result = action(getOutputPathsFor(bundle, host, forceDtsEmit), bundle); + if (result) { + return result; + } + } + } + else { + if (!onlyBuildInfo) { + for (var _a = 0, sourceFiles_1 = sourceFiles; _a < sourceFiles_1.length; _a++) { + var sourceFile = sourceFiles_1[_a]; + var result = action(getOutputPathsFor(sourceFile, host, forceDtsEmit), sourceFile); + if (result) { + return result; + } + } + } + if (includeBuildInfo) { + var buildInfoPath = getTsBuildInfoEmitOutputFilePath(options); + if (buildInfoPath) + return action({ buildInfoPath: buildInfoPath }, /*sourceFileOrBundle*/ undefined); + } + } + } + ts.forEachEmittedFile = forEachEmittedFile; + function getTsBuildInfoEmitOutputFilePath(options) { + var configFile = options.configFilePath; + if (!ts.isIncrementalCompilation(options)) + return undefined; + if (options.tsBuildInfoFile) + return options.tsBuildInfoFile; + var outPath = ts.outFile(options); + var buildInfoExtensionLess; + if (outPath) { + buildInfoExtensionLess = ts.removeFileExtension(outPath); + } + else { + if (!configFile) + return undefined; + var configFileExtensionLess = ts.removeFileExtension(configFile); + buildInfoExtensionLess = options.outDir ? + options.rootDir ? + ts.resolvePath(options.outDir, ts.getRelativePathFromDirectory(options.rootDir, configFileExtensionLess, /*ignoreCase*/ true)) : + ts.combinePaths(options.outDir, ts.getBaseFileName(configFileExtensionLess)) : + configFileExtensionLess; + } + return buildInfoExtensionLess + ".tsbuildinfo" /* Extension.TsBuildInfo */; + } + ts.getTsBuildInfoEmitOutputFilePath = getTsBuildInfoEmitOutputFilePath; + /*@internal*/ + function getOutputPathsForBundle(options, forceDtsPaths) { + var outPath = ts.outFile(options); + var jsFilePath = options.emitDeclarationOnly ? undefined : outPath; + var sourceMapFilePath = jsFilePath && getSourceMapFilePath(jsFilePath, options); + var declarationFilePath = (forceDtsPaths || ts.getEmitDeclarations(options)) ? ts.removeFileExtension(outPath) + ".d.ts" /* Extension.Dts */ : undefined; + var declarationMapPath = declarationFilePath && ts.getAreDeclarationMapsEnabled(options) ? declarationFilePath + ".map" : undefined; + var buildInfoPath = getTsBuildInfoEmitOutputFilePath(options); + return { jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath, declarationMapPath: declarationMapPath, buildInfoPath: buildInfoPath }; + } + ts.getOutputPathsForBundle = getOutputPathsForBundle; + /*@internal*/ + function getOutputPathsFor(sourceFile, host, forceDtsPaths) { + var options = host.getCompilerOptions(); + if (sourceFile.kind === 306 /* SyntaxKind.Bundle */) { + return getOutputPathsForBundle(options, forceDtsPaths); + } + else { + var ownOutputFilePath = ts.getOwnEmitOutputFilePath(sourceFile.fileName, host, getOutputExtension(sourceFile.fileName, options)); + var isJsonFile = ts.isJsonSourceFile(sourceFile); + // If json file emits to the same location skip writing it, if emitDeclarationOnly skip writing it + var isJsonEmittedToSameLocation = isJsonFile && + ts.comparePaths(sourceFile.fileName, ownOutputFilePath, host.getCurrentDirectory(), !host.useCaseSensitiveFileNames()) === 0 /* Comparison.EqualTo */; + var jsFilePath = options.emitDeclarationOnly || isJsonEmittedToSameLocation ? undefined : ownOutputFilePath; + var sourceMapFilePath = !jsFilePath || ts.isJsonSourceFile(sourceFile) ? undefined : getSourceMapFilePath(jsFilePath, options); + var declarationFilePath = (forceDtsPaths || (ts.getEmitDeclarations(options) && !isJsonFile)) ? ts.getDeclarationEmitOutputFilePath(sourceFile.fileName, host) : undefined; + var declarationMapPath = declarationFilePath && ts.getAreDeclarationMapsEnabled(options) ? declarationFilePath + ".map" : undefined; + return { jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath, declarationMapPath: declarationMapPath, buildInfoPath: undefined }; + } + } + ts.getOutputPathsFor = getOutputPathsFor; + function getSourceMapFilePath(jsFilePath, options) { + return (options.sourceMap && !options.inlineSourceMap) ? jsFilePath + ".map" : undefined; + } + /* @internal */ + function getOutputExtension(fileName, options) { + return ts.fileExtensionIs(fileName, ".json" /* Extension.Json */) ? ".json" /* Extension.Json */ : + options.jsx === 1 /* JsxEmit.Preserve */ && ts.fileExtensionIsOneOf(fileName, [".jsx" /* Extension.Jsx */, ".tsx" /* Extension.Tsx */]) ? ".jsx" /* Extension.Jsx */ : + ts.fileExtensionIsOneOf(fileName, [".mts" /* Extension.Mts */, ".mjs" /* Extension.Mjs */]) ? ".mjs" /* Extension.Mjs */ : + ts.fileExtensionIsOneOf(fileName, [".cts" /* Extension.Cts */, ".cjs" /* Extension.Cjs */]) ? ".cjs" /* Extension.Cjs */ : + ".js" /* Extension.Js */; + } + ts.getOutputExtension = getOutputExtension; + function getOutputPathWithoutChangingExt(inputFileName, configFile, ignoreCase, outputDir, getCommonSourceDirectory) { + return outputDir ? + ts.resolvePath(outputDir, ts.getRelativePathFromDirectory(getCommonSourceDirectory ? getCommonSourceDirectory() : getCommonSourceDirectoryOfConfig(configFile, ignoreCase), inputFileName, ignoreCase)) : + inputFileName; + } + /* @internal */ + function getOutputDeclarationFileName(inputFileName, configFile, ignoreCase, getCommonSourceDirectory) { + return ts.changeExtension(getOutputPathWithoutChangingExt(inputFileName, configFile, ignoreCase, configFile.options.declarationDir || configFile.options.outDir, getCommonSourceDirectory), ts.getDeclarationEmitExtensionForPath(inputFileName)); + } + ts.getOutputDeclarationFileName = getOutputDeclarationFileName; + function getOutputJSFileName(inputFileName, configFile, ignoreCase, getCommonSourceDirectory) { + if (configFile.options.emitDeclarationOnly) + return undefined; + var isJsonFile = ts.fileExtensionIs(inputFileName, ".json" /* Extension.Json */); + var outputFileName = ts.changeExtension(getOutputPathWithoutChangingExt(inputFileName, configFile, ignoreCase, configFile.options.outDir, getCommonSourceDirectory), getOutputExtension(inputFileName, configFile.options)); + return !isJsonFile || ts.comparePaths(inputFileName, outputFileName, ts.Debug.checkDefined(configFile.options.configFilePath), ignoreCase) !== 0 /* Comparison.EqualTo */ ? + outputFileName : + undefined; + } + function createAddOutput() { + var outputs; + return { addOutput: addOutput, getOutputs: getOutputs }; + function addOutput(path) { + if (path) { + (outputs || (outputs = [])).push(path); + } + } + function getOutputs() { + return outputs || ts.emptyArray; + } + } + function getSingleOutputFileNames(configFile, addOutput) { + var _a = getOutputPathsForBundle(configFile.options, /*forceDtsPaths*/ false), jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath, buildInfoPath = _a.buildInfoPath; + addOutput(jsFilePath); + addOutput(sourceMapFilePath); + addOutput(declarationFilePath); + addOutput(declarationMapPath); + addOutput(buildInfoPath); + } + function getOwnOutputFileNames(configFile, inputFileName, ignoreCase, addOutput, getCommonSourceDirectory) { + if (ts.isDeclarationFileName(inputFileName)) + return; + var js = getOutputJSFileName(inputFileName, configFile, ignoreCase, getCommonSourceDirectory); + addOutput(js); + if (ts.fileExtensionIs(inputFileName, ".json" /* Extension.Json */)) + return; + if (js && configFile.options.sourceMap) { + addOutput("".concat(js, ".map")); + } + if (ts.getEmitDeclarations(configFile.options)) { + var dts = getOutputDeclarationFileName(inputFileName, configFile, ignoreCase, getCommonSourceDirectory); + addOutput(dts); + if (configFile.options.declarationMap) { + addOutput("".concat(dts, ".map")); + } + } + } + /*@internal*/ + function getCommonSourceDirectory(options, emittedFiles, currentDirectory, getCanonicalFileName, checkSourceFilesBelongToPath) { + var commonSourceDirectory; + if (options.rootDir) { + // If a rootDir is specified use it as the commonSourceDirectory + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + checkSourceFilesBelongToPath === null || checkSourceFilesBelongToPath === void 0 ? void 0 : checkSourceFilesBelongToPath(options.rootDir); + } + else if (options.composite && options.configFilePath) { + // Project compilations never infer their root from the input source paths + commonSourceDirectory = ts.getDirectoryPath(ts.normalizeSlashes(options.configFilePath)); + checkSourceFilesBelongToPath === null || checkSourceFilesBelongToPath === void 0 ? void 0 : checkSourceFilesBelongToPath(commonSourceDirectory); + } + else { + commonSourceDirectory = ts.computeCommonSourceDirectoryOfFilenames(emittedFiles(), currentDirectory, getCanonicalFileName); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + // Make sure directory path ends with directory separator so this string can directly + // used to replace with "" to get the relative path of the source file and the relative path doesn't + // start with / making it rooted path + commonSourceDirectory += ts.directorySeparator; + } + return commonSourceDirectory; + } + ts.getCommonSourceDirectory = getCommonSourceDirectory; + /*@internal*/ + function getCommonSourceDirectoryOfConfig(_a, ignoreCase) { + var options = _a.options, fileNames = _a.fileNames; + return getCommonSourceDirectory(options, function () { return ts.filter(fileNames, function (file) { return !(options.noEmitForJsFiles && ts.fileExtensionIsOneOf(file, ts.supportedJSExtensionsFlat)) && !ts.isDeclarationFileName(file); }); }, ts.getDirectoryPath(ts.normalizeSlashes(ts.Debug.checkDefined(options.configFilePath))), ts.createGetCanonicalFileName(!ignoreCase)); + } + ts.getCommonSourceDirectoryOfConfig = getCommonSourceDirectoryOfConfig; + /*@internal*/ + function getAllProjectOutputs(configFile, ignoreCase) { + var _a = createAddOutput(), addOutput = _a.addOutput, getOutputs = _a.getOutputs; + if (ts.outFile(configFile.options)) { + getSingleOutputFileNames(configFile, addOutput); + } + else { + var getCommonSourceDirectory_1 = ts.memoize(function () { return getCommonSourceDirectoryOfConfig(configFile, ignoreCase); }); + for (var _b = 0, _c = configFile.fileNames; _b < _c.length; _b++) { + var inputFileName = _c[_b]; + getOwnOutputFileNames(configFile, inputFileName, ignoreCase, addOutput, getCommonSourceDirectory_1); + } + addOutput(getTsBuildInfoEmitOutputFilePath(configFile.options)); + } + return getOutputs(); + } + ts.getAllProjectOutputs = getAllProjectOutputs; + function getOutputFileNames(commandLine, inputFileName, ignoreCase) { + inputFileName = ts.normalizePath(inputFileName); + ts.Debug.assert(ts.contains(commandLine.fileNames, inputFileName), "Expected fileName to be present in command line"); + var _a = createAddOutput(), addOutput = _a.addOutput, getOutputs = _a.getOutputs; + if (ts.outFile(commandLine.options)) { + getSingleOutputFileNames(commandLine, addOutput); + } + else { + getOwnOutputFileNames(commandLine, inputFileName, ignoreCase, addOutput); + } + return getOutputs(); + } + ts.getOutputFileNames = getOutputFileNames; + /*@internal*/ + function getFirstProjectOutput(configFile, ignoreCase) { + if (ts.outFile(configFile.options)) { + var jsFilePath = getOutputPathsForBundle(configFile.options, /*forceDtsPaths*/ false).jsFilePath; + return ts.Debug.checkDefined(jsFilePath, "project ".concat(configFile.options.configFilePath, " expected to have at least one output")); + } + var getCommonSourceDirectory = ts.memoize(function () { return getCommonSourceDirectoryOfConfig(configFile, ignoreCase); }); + for (var _a = 0, _b = configFile.fileNames; _a < _b.length; _a++) { + var inputFileName = _b[_a]; + if (ts.isDeclarationFileName(inputFileName)) + continue; + var jsFilePath = getOutputJSFileName(inputFileName, configFile, ignoreCase, getCommonSourceDirectory); + if (jsFilePath) + return jsFilePath; + if (ts.fileExtensionIs(inputFileName, ".json" /* Extension.Json */)) + continue; + if (ts.getEmitDeclarations(configFile.options)) { + return getOutputDeclarationFileName(inputFileName, configFile, ignoreCase, getCommonSourceDirectory); + } + } + var buildInfoPath = getTsBuildInfoEmitOutputFilePath(configFile.options); + if (buildInfoPath) + return buildInfoPath; + return ts.Debug.fail("project ".concat(configFile.options.configFilePath, " expected to have at least one output")); + } + ts.getFirstProjectOutput = getFirstProjectOutput; + /*@internal*/ + // targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature + function emitFiles(resolver, host, targetSourceFile, _a, emitOnlyDtsFiles, onlyBuildInfo, forceDtsEmit) { + var scriptTransformers = _a.scriptTransformers, declarationTransformers = _a.declarationTransformers; + var compilerOptions = host.getCompilerOptions(); + var sourceMapDataList = (compilerOptions.sourceMap || compilerOptions.inlineSourceMap || ts.getAreDeclarationMapsEnabled(compilerOptions)) ? [] : undefined; + var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var newLine = ts.getNewLineCharacter(compilerOptions, function () { return host.getNewLine(); }); + var writer = ts.createTextWriter(newLine); + var _b = ts.performance.createTimer("printTime", "beforePrint", "afterPrint"), enter = _b.enter, exit = _b.exit; + var bundleBuildInfo; + var emitSkipped = false; + var exportedModulesFromDeclarationEmit; + // Emit each output file + enter(); + forEachEmittedFile(host, emitSourceFileOrBundle, ts.getSourceFilesToEmit(host, targetSourceFile, forceDtsEmit), forceDtsEmit, onlyBuildInfo, !targetSourceFile); + exit(); + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + emittedFiles: emittedFilesList, + sourceMaps: sourceMapDataList, + exportedModulesFromDeclarationEmit: exportedModulesFromDeclarationEmit + }; + function emitSourceFileOrBundle(_a, sourceFileOrBundle) { + var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath, buildInfoPath = _a.buildInfoPath; + var buildInfoDirectory; + if (buildInfoPath && sourceFileOrBundle && ts.isBundle(sourceFileOrBundle)) { + buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(buildInfoPath, host.getCurrentDirectory())); + bundleBuildInfo = { + commonSourceDirectory: relativeToBuildInfo(host.getCommonSourceDirectory()), + sourceFiles: sourceFileOrBundle.sourceFiles.map(function (file) { return relativeToBuildInfo(ts.getNormalizedAbsolutePath(file.fileName, host.getCurrentDirectory())); }) + }; + } + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("emit" /* tracing.Phase.Emit */, "emitJsFileOrBundle", { jsFilePath: jsFilePath }); + emitJsFileOrBundle(sourceFileOrBundle, jsFilePath, sourceMapFilePath, relativeToBuildInfo); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("emit" /* tracing.Phase.Emit */, "emitDeclarationFileOrBundle", { declarationFilePath: declarationFilePath }); + emitDeclarationFileOrBundle(sourceFileOrBundle, declarationFilePath, declarationMapPath, relativeToBuildInfo); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("emit" /* tracing.Phase.Emit */, "emitBuildInfo", { buildInfoPath: buildInfoPath }); + emitBuildInfo(bundleBuildInfo, buildInfoPath); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + if (!emitSkipped && emittedFilesList) { + if (!emitOnlyDtsFiles) { + if (jsFilePath) { + emittedFilesList.push(jsFilePath); + } + if (sourceMapFilePath) { + emittedFilesList.push(sourceMapFilePath); + } + if (buildInfoPath) { + emittedFilesList.push(buildInfoPath); + } + } + if (declarationFilePath) { + emittedFilesList.push(declarationFilePath); + } + if (declarationMapPath) { + emittedFilesList.push(declarationMapPath); + } + } + function relativeToBuildInfo(path) { + return ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(buildInfoDirectory, path, host.getCanonicalFileName)); + } + } + function emitBuildInfo(bundle, buildInfoPath) { + // Write build information if applicable + if (!buildInfoPath || targetSourceFile || emitSkipped) + return; + var program = host.getProgramBuildInfo(); + if (host.isEmitBlocked(buildInfoPath)) { + emitSkipped = true; + return; + } + var version = ts.version; // Extracted into a const so the form is stable between namespace and module + ts.writeFile(host, emitterDiagnostics, buildInfoPath, getBuildInfoText({ bundle: bundle, program: program, version: version }), /*writeByteOrderMark*/ false); + } + function emitJsFileOrBundle(sourceFileOrBundle, jsFilePath, sourceMapFilePath, relativeToBuildInfo) { + if (!sourceFileOrBundle || emitOnlyDtsFiles || !jsFilePath) { + return; + } + // Make sure not to write js file and source map file if any of them cannot be written + if ((jsFilePath && host.isEmitBlocked(jsFilePath)) || compilerOptions.noEmit) { + emitSkipped = true; + return; + } + // Transform the source files + var transform = ts.transformNodes(resolver, host, ts.factory, compilerOptions, [sourceFileOrBundle], scriptTransformers, /*allowDtsFiles*/ false); + var printerOptions = { + removeComments: compilerOptions.removeComments, + newLine: compilerOptions.newLine, + noEmitHelpers: compilerOptions.noEmitHelpers, + module: compilerOptions.module, + target: compilerOptions.target, + sourceMap: compilerOptions.sourceMap, + inlineSourceMap: compilerOptions.inlineSourceMap, + inlineSources: compilerOptions.inlineSources, + extendedDiagnostics: compilerOptions.extendedDiagnostics, + writeBundleFileInfo: !!bundleBuildInfo, + relativeToBuildInfo: relativeToBuildInfo + }; + // Create a printer to print the nodes + var printer = createPrinter(printerOptions, { + // resolver hooks + hasGlobalName: resolver.hasGlobalName, + // transform hooks + onEmitNode: transform.emitNodeWithNotification, + isEmitNotificationEnabled: transform.isEmitNotificationEnabled, + substituteNode: transform.substituteNode, + }); + ts.Debug.assert(transform.transformed.length === 1, "Should only see one output from the transform"); + printSourceFileOrBundle(jsFilePath, sourceMapFilePath, transform.transformed[0], printer, compilerOptions); + // Clean up emit nodes on parse tree + transform.dispose(); + if (bundleBuildInfo) + bundleBuildInfo.js = printer.bundleFileInfo; + } + function emitDeclarationFileOrBundle(sourceFileOrBundle, declarationFilePath, declarationMapPath, relativeToBuildInfo) { + if (!sourceFileOrBundle) + return; + if (!declarationFilePath) { + if (emitOnlyDtsFiles || compilerOptions.emitDeclarationOnly) + emitSkipped = true; + return; + } + var sourceFiles = ts.isSourceFile(sourceFileOrBundle) ? [sourceFileOrBundle] : sourceFileOrBundle.sourceFiles; + var filesForEmit = forceDtsEmit ? sourceFiles : ts.filter(sourceFiles, ts.isSourceFileNotJson); + // Setup and perform the transformation to retrieve declarations from the input files + var inputListOrBundle = ts.outFile(compilerOptions) ? [ts.factory.createBundle(filesForEmit, !ts.isSourceFile(sourceFileOrBundle) ? sourceFileOrBundle.prepends : undefined)] : filesForEmit; + if (emitOnlyDtsFiles && !ts.getEmitDeclarations(compilerOptions)) { + // Checker wont collect the linked aliases since thats only done when declaration is enabled. + // Do that here when emitting only dts files + filesForEmit.forEach(collectLinkedAliases); + } + var declarationTransform = ts.transformNodes(resolver, host, ts.factory, compilerOptions, inputListOrBundle, declarationTransformers, /*allowDtsFiles*/ false); + if (ts.length(declarationTransform.diagnostics)) { + for (var _a = 0, _b = declarationTransform.diagnostics; _a < _b.length; _a++) { + var diagnostic = _b[_a]; + emitterDiagnostics.add(diagnostic); + } + } + var printerOptions = { + removeComments: compilerOptions.removeComments, + newLine: compilerOptions.newLine, + noEmitHelpers: true, + module: compilerOptions.module, + target: compilerOptions.target, + sourceMap: compilerOptions.sourceMap, + inlineSourceMap: compilerOptions.inlineSourceMap, + extendedDiagnostics: compilerOptions.extendedDiagnostics, + onlyPrintJsDocStyle: true, + writeBundleFileInfo: !!bundleBuildInfo, + recordInternalSection: !!bundleBuildInfo, + relativeToBuildInfo: relativeToBuildInfo + }; + var declarationPrinter = createPrinter(printerOptions, { + // resolver hooks + hasGlobalName: resolver.hasGlobalName, + // transform hooks + onEmitNode: declarationTransform.emitNodeWithNotification, + isEmitNotificationEnabled: declarationTransform.isEmitNotificationEnabled, + substituteNode: declarationTransform.substituteNode, + }); + var declBlocked = (!!declarationTransform.diagnostics && !!declarationTransform.diagnostics.length) || !!host.isEmitBlocked(declarationFilePath) || !!compilerOptions.noEmit; + emitSkipped = emitSkipped || declBlocked; + if (!declBlocked || forceDtsEmit) { + ts.Debug.assert(declarationTransform.transformed.length === 1, "Should only see one output from the decl transform"); + printSourceFileOrBundle(declarationFilePath, declarationMapPath, declarationTransform.transformed[0], declarationPrinter, { + sourceMap: !forceDtsEmit && compilerOptions.declarationMap, + sourceRoot: compilerOptions.sourceRoot, + mapRoot: compilerOptions.mapRoot, + extendedDiagnostics: compilerOptions.extendedDiagnostics, + // Explicitly do not passthru either `inline` option + }); + if (forceDtsEmit && declarationTransform.transformed[0].kind === 305 /* SyntaxKind.SourceFile */) { + var sourceFile = declarationTransform.transformed[0]; + exportedModulesFromDeclarationEmit = sourceFile.exportedModulesFromDeclarationEmit; + } + } + declarationTransform.dispose(); + if (bundleBuildInfo) + bundleBuildInfo.dts = declarationPrinter.bundleFileInfo; + } + function collectLinkedAliases(node) { + if (ts.isExportAssignment(node)) { + if (node.expression.kind === 79 /* SyntaxKind.Identifier */) { + resolver.collectLinkedAliases(node.expression, /*setVisibility*/ true); + } + return; + } + else if (ts.isExportSpecifier(node)) { + resolver.collectLinkedAliases(node.propertyName || node.name, /*setVisibility*/ true); + return; + } + ts.forEachChild(node, collectLinkedAliases); + } + function printSourceFileOrBundle(jsFilePath, sourceMapFilePath, sourceFileOrBundle, printer, mapOptions) { + var bundle = sourceFileOrBundle.kind === 306 /* SyntaxKind.Bundle */ ? sourceFileOrBundle : undefined; + var sourceFile = sourceFileOrBundle.kind === 305 /* SyntaxKind.SourceFile */ ? sourceFileOrBundle : undefined; + var sourceFiles = bundle ? bundle.sourceFiles : [sourceFile]; + var sourceMapGenerator; + if (shouldEmitSourceMaps(mapOptions, sourceFileOrBundle)) { + sourceMapGenerator = ts.createSourceMapGenerator(host, ts.getBaseFileName(ts.normalizeSlashes(jsFilePath)), getSourceRoot(mapOptions), getSourceMapDirectory(mapOptions, jsFilePath, sourceFile), mapOptions); + } + if (bundle) { + printer.writeBundle(bundle, writer, sourceMapGenerator); + } + else { + printer.writeFile(sourceFile, writer, sourceMapGenerator); + } + var sourceMapUrlPos; + if (sourceMapGenerator) { + if (sourceMapDataList) { + sourceMapDataList.push({ + inputSourceFileNames: sourceMapGenerator.getSources(), + sourceMap: sourceMapGenerator.toJSON() + }); + } + var sourceMappingURL = getSourceMappingURL(mapOptions, sourceMapGenerator, jsFilePath, sourceMapFilePath, sourceFile); + if (sourceMappingURL) { + if (!writer.isAtStartOfLine()) + writer.rawWrite(newLine); + sourceMapUrlPos = writer.getTextPos(); + writer.writeComment("//# ".concat("sourceMappingURL", "=").concat(sourceMappingURL)); // Tools can sometimes see this line as a source mapping url comment + } + // Write the source map + if (sourceMapFilePath) { + var sourceMap = sourceMapGenerator.toString(); + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap, /*writeByteOrderMark*/ false, sourceFiles); + } + } + else { + writer.writeLine(); + } + // Write the output file + ts.writeFile(host, emitterDiagnostics, jsFilePath, writer.getText(), !!compilerOptions.emitBOM, sourceFiles, { sourceMapUrlPos: sourceMapUrlPos }); + // Reset state + writer.clear(); + } + function shouldEmitSourceMaps(mapOptions, sourceFileOrBundle) { + return (mapOptions.sourceMap || mapOptions.inlineSourceMap) + && (sourceFileOrBundle.kind !== 305 /* SyntaxKind.SourceFile */ || !ts.fileExtensionIs(sourceFileOrBundle.fileName, ".json" /* Extension.Json */)); + } + function getSourceRoot(mapOptions) { + // Normalize source root and make sure it has trailing "/" so that it can be used to combine paths with the + // relative paths of the sources list in the sourcemap + var sourceRoot = ts.normalizeSlashes(mapOptions.sourceRoot || ""); + return sourceRoot ? ts.ensureTrailingDirectorySeparator(sourceRoot) : sourceRoot; + } + function getSourceMapDirectory(mapOptions, filePath, sourceFile) { + if (mapOptions.sourceRoot) + return host.getCommonSourceDirectory(); + if (mapOptions.mapRoot) { + var sourceMapDir = ts.normalizeSlashes(mapOptions.mapRoot); + if (sourceFile) { + // For modules or multiple emit files the mapRoot will have directory structure like the sources + // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFile.fileName, host, sourceMapDir)); + } + if (ts.getRootLength(sourceMapDir) === 0) { + // The relative paths are relative to the common directory + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + } + return sourceMapDir; + } + return ts.getDirectoryPath(ts.normalizePath(filePath)); + } + function getSourceMappingURL(mapOptions, sourceMapGenerator, filePath, sourceMapFilePath, sourceFile) { + if (mapOptions.inlineSourceMap) { + // Encode the sourceMap into the sourceMap url + var sourceMapText = sourceMapGenerator.toString(); + var base64SourceMapText = ts.base64encode(ts.sys, sourceMapText); + return "data:application/json;base64,".concat(base64SourceMapText); + } + var sourceMapFile = ts.getBaseFileName(ts.normalizeSlashes(ts.Debug.checkDefined(sourceMapFilePath))); + if (mapOptions.mapRoot) { + var sourceMapDir = ts.normalizeSlashes(mapOptions.mapRoot); + if (sourceFile) { + // For modules or multiple emit files the mapRoot will have directory structure like the sources + // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFile.fileName, host, sourceMapDir)); + } + if (ts.getRootLength(sourceMapDir) === 0) { + // The relative paths are relative to the common directory + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + return encodeURI(ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), // get the relative sourceMapDir path based on jsFilePath + ts.combinePaths(sourceMapDir, sourceMapFile), // this is where user expects to see sourceMap + host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ true)); + } + else { + return encodeURI(ts.combinePaths(sourceMapDir, sourceMapFile)); + } + } + return encodeURI(sourceMapFile); + } + } + ts.emitFiles = emitFiles; + /*@internal*/ + function getBuildInfoText(buildInfo) { + return JSON.stringify(buildInfo); + } + ts.getBuildInfoText = getBuildInfoText; + /*@internal*/ + function getBuildInfo(buildInfoText) { + return JSON.parse(buildInfoText); + } + ts.getBuildInfo = getBuildInfo; + /*@internal*/ + ts.notImplementedResolver = { + hasGlobalName: ts.notImplemented, + getReferencedExportContainer: ts.notImplemented, + getReferencedImportDeclaration: ts.notImplemented, + getReferencedDeclarationWithCollidingName: ts.notImplemented, + isDeclarationWithCollidingName: ts.notImplemented, + isValueAliasDeclaration: ts.notImplemented, + isReferencedAliasDeclaration: ts.notImplemented, + isTopLevelValueImportEqualsWithEntityName: ts.notImplemented, + getNodeCheckFlags: ts.notImplemented, + isDeclarationVisible: ts.notImplemented, + isLateBound: function (_node) { return false; }, + collectLinkedAliases: ts.notImplemented, + isImplementationOfOverload: ts.notImplemented, + isRequiredInitializedParameter: ts.notImplemented, + isOptionalUninitializedParameterProperty: ts.notImplemented, + isExpandoFunctionDeclaration: ts.notImplemented, + getPropertiesOfContainerFunction: ts.notImplemented, + createTypeOfDeclaration: ts.notImplemented, + createReturnTypeOfSignatureDeclaration: ts.notImplemented, + createTypeOfExpression: ts.notImplemented, + createLiteralConstValue: ts.notImplemented, + isSymbolAccessible: ts.notImplemented, + isEntityNameVisible: ts.notImplemented, + // Returns the constant value this property access resolves to: notImplemented, or 'undefined' for a non-constant + getConstantValue: ts.notImplemented, + getReferencedValueDeclaration: ts.notImplemented, + getTypeReferenceSerializationKind: ts.notImplemented, + isOptionalParameter: ts.notImplemented, + moduleExportsSomeValue: ts.notImplemented, + isArgumentsLocalBinding: ts.notImplemented, + getExternalModuleFileFromDeclaration: ts.notImplemented, + getTypeReferenceDirectivesForEntityName: ts.notImplemented, + getTypeReferenceDirectivesForSymbol: ts.notImplemented, + isLiteralConstDeclaration: ts.notImplemented, + getJsxFactoryEntity: ts.notImplemented, + getJsxFragmentFactoryEntity: ts.notImplemented, + getAllAccessorDeclarations: ts.notImplemented, + getSymbolOfExternalModuleSpecifier: ts.notImplemented, + isBindingCapturedByNode: ts.notImplemented, + getDeclarationStatementsForSourceFile: ts.notImplemented, + isImportRequiredByAugmentation: ts.notImplemented, + }; + function createSourceFilesFromBundleBuildInfo(bundle, buildInfoDirectory, host) { + var _a; + var jsBundle = ts.Debug.checkDefined(bundle.js); + var prologueMap = ((_a = jsBundle.sources) === null || _a === void 0 ? void 0 : _a.prologues) && ts.arrayToMap(jsBundle.sources.prologues, function (prologueInfo) { return prologueInfo.file; }); + return bundle.sourceFiles.map(function (fileName, index) { + var _a, _b; + var prologueInfo = prologueMap === null || prologueMap === void 0 ? void 0 : prologueMap.get(index); + var statements = prologueInfo === null || prologueInfo === void 0 ? void 0 : prologueInfo.directives.map(function (directive) { + var literal = ts.setTextRange(ts.factory.createStringLiteral(directive.expression.text), directive.expression); + var statement = ts.setTextRange(ts.factory.createExpressionStatement(literal), directive); + ts.setParent(literal, statement); + return statement; + }); + var eofToken = ts.factory.createToken(1 /* SyntaxKind.EndOfFileToken */); + var sourceFile = ts.factory.createSourceFile(statements !== null && statements !== void 0 ? statements : [], eofToken, 0 /* NodeFlags.None */); + sourceFile.fileName = ts.getRelativePathFromDirectory(host.getCurrentDirectory(), ts.getNormalizedAbsolutePath(fileName, buildInfoDirectory), !host.useCaseSensitiveFileNames()); + sourceFile.text = (_a = prologueInfo === null || prologueInfo === void 0 ? void 0 : prologueInfo.text) !== null && _a !== void 0 ? _a : ""; + ts.setTextRangePosWidth(sourceFile, 0, (_b = prologueInfo === null || prologueInfo === void 0 ? void 0 : prologueInfo.text.length) !== null && _b !== void 0 ? _b : 0); + ts.setEachParent(sourceFile.statements, sourceFile); + ts.setTextRangePosWidth(eofToken, sourceFile.end, 0); + ts.setParent(eofToken, sourceFile); + return sourceFile; + }); + } + /*@internal*/ + function emitUsingBuildInfo(config, host, getCommandLine, customTransformers) { + var _a = getOutputPathsForBundle(config.options, /*forceDtsPaths*/ false), buildInfoPath = _a.buildInfoPath, jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath; + var buildInfoText = host.readFile(ts.Debug.checkDefined(buildInfoPath)); + if (!buildInfoText) + return buildInfoPath; + var jsFileText = host.readFile(ts.Debug.checkDefined(jsFilePath)); + if (!jsFileText) + return jsFilePath; + var sourceMapText = sourceMapFilePath && host.readFile(sourceMapFilePath); + // error if no source map or for now if inline sourcemap + if ((sourceMapFilePath && !sourceMapText) || config.options.inlineSourceMap) + return sourceMapFilePath || "inline sourcemap decoding"; + // read declaration text + var declarationText = declarationFilePath && host.readFile(declarationFilePath); + if (declarationFilePath && !declarationText) + return declarationFilePath; + var declarationMapText = declarationMapPath && host.readFile(declarationMapPath); + // error if no source map or for now if inline sourcemap + if ((declarationMapPath && !declarationMapText) || config.options.inlineSourceMap) + return declarationMapPath || "inline sourcemap decoding"; + var buildInfo = getBuildInfo(buildInfoText); + if (!buildInfo.bundle || !buildInfo.bundle.js || (declarationText && !buildInfo.bundle.dts)) + return buildInfoPath; + var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(buildInfoPath, host.getCurrentDirectory())); + var ownPrependInput = ts.createInputFiles(jsFileText, declarationText, sourceMapFilePath, sourceMapText, declarationMapPath, declarationMapText, jsFilePath, declarationFilePath, buildInfoPath, buildInfo, + /*onlyOwnText*/ true); + var outputFiles = []; + var prependNodes = ts.createPrependNodes(config.projectReferences, getCommandLine, function (f) { return host.readFile(f); }); + var sourceFilesForJsEmit = createSourceFilesFromBundleBuildInfo(buildInfo.bundle, buildInfoDirectory, host); + var emitHost = { + getPrependNodes: ts.memoize(function () { return __spreadArray(__spreadArray([], prependNodes, true), [ownPrependInput], false); }), + getCanonicalFileName: host.getCanonicalFileName, + getCommonSourceDirectory: function () { return ts.getNormalizedAbsolutePath(buildInfo.bundle.commonSourceDirectory, buildInfoDirectory); }, + getCompilerOptions: function () { return config.options; }, + getCurrentDirectory: function () { return host.getCurrentDirectory(); }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: ts.returnUndefined, + getSourceFileByPath: ts.returnUndefined, + getSourceFiles: function () { return sourceFilesForJsEmit; }, + getLibFileFromReference: ts.notImplemented, + isSourceFileFromExternalLibrary: ts.returnFalse, + getResolvedProjectReferenceToRedirect: ts.returnUndefined, + getProjectReferenceRedirect: ts.returnUndefined, + isSourceOfProjectReferenceRedirect: ts.returnFalse, + writeFile: function (name, text, writeByteOrderMark) { + switch (name) { + case jsFilePath: + if (jsFileText === text) + return; + break; + case sourceMapFilePath: + if (sourceMapText === text) + return; + break; + case buildInfoPath: + var newBuildInfo = getBuildInfo(text); + newBuildInfo.program = buildInfo.program; + // Update sourceFileInfo + var _a = buildInfo.bundle, js = _a.js, dts = _a.dts, sourceFiles = _a.sourceFiles; + newBuildInfo.bundle.js.sources = js.sources; + if (dts) { + newBuildInfo.bundle.dts.sources = dts.sources; + } + newBuildInfo.bundle.sourceFiles = sourceFiles; + outputFiles.push({ name: name, text: getBuildInfoText(newBuildInfo), writeByteOrderMark: writeByteOrderMark }); + return; + case declarationFilePath: + if (declarationText === text) + return; + break; + case declarationMapPath: + if (declarationMapText === text) + return; + break; + default: + ts.Debug.fail("Unexpected path: ".concat(name)); + } + outputFiles.push({ name: name, text: text, writeByteOrderMark: writeByteOrderMark }); + }, + isEmitBlocked: ts.returnFalse, + readFile: function (f) { return host.readFile(f); }, + fileExists: function (f) { return host.fileExists(f); }, + useCaseSensitiveFileNames: function () { return host.useCaseSensitiveFileNames(); }, + getProgramBuildInfo: ts.returnUndefined, + getSourceFileFromReference: ts.returnUndefined, + redirectTargetsMap: ts.createMultiMap(), + getFileIncludeReasons: ts.notImplemented, + }; + emitFiles(ts.notImplementedResolver, emitHost, + /*targetSourceFile*/ undefined, ts.getTransformers(config.options, customTransformers)); + return outputFiles; + } + ts.emitUsingBuildInfo = emitUsingBuildInfo; + var PipelinePhase; + (function (PipelinePhase) { + PipelinePhase[PipelinePhase["Notification"] = 0] = "Notification"; + PipelinePhase[PipelinePhase["Substitution"] = 1] = "Substitution"; + PipelinePhase[PipelinePhase["Comments"] = 2] = "Comments"; + PipelinePhase[PipelinePhase["SourceMaps"] = 3] = "SourceMaps"; + PipelinePhase[PipelinePhase["Emit"] = 4] = "Emit"; + })(PipelinePhase || (PipelinePhase = {})); + function createPrinter(printerOptions, handlers) { + if (printerOptions === void 0) { printerOptions = {}; } + if (handlers === void 0) { handlers = {}; } + var hasGlobalName = handlers.hasGlobalName, _a = handlers.onEmitNode, onEmitNode = _a === void 0 ? ts.noEmitNotification : _a, isEmitNotificationEnabled = handlers.isEmitNotificationEnabled, _b = handlers.substituteNode, substituteNode = _b === void 0 ? ts.noEmitSubstitution : _b, onBeforeEmitNode = handlers.onBeforeEmitNode, onAfterEmitNode = handlers.onAfterEmitNode, onBeforeEmitNodeArray = handlers.onBeforeEmitNodeArray, onAfterEmitNodeArray = handlers.onAfterEmitNodeArray, onBeforeEmitToken = handlers.onBeforeEmitToken, onAfterEmitToken = handlers.onAfterEmitToken; + var extendedDiagnostics = !!printerOptions.extendedDiagnostics; + var newLine = ts.getNewLineCharacter(printerOptions); + var moduleKind = ts.getEmitModuleKind(printerOptions); + var bundledHelpers = new ts.Map(); + var currentSourceFile; + var nodeIdToGeneratedName; // Map of generated names for specific nodes. + var autoGeneratedIdToGeneratedName; // Map of generated names for temp and loop variables. + var generatedNames; // Set of names generated by the NameGenerator. + var tempFlagsStack; // Stack of enclosing name generation scopes. + var tempFlags; // TempFlags for the current name generation scope. + var reservedNamesStack; // Stack of TempFlags reserved in enclosing name generation scopes. + var reservedNames; // TempFlags to reserve in nested name generation scopes. + var preserveSourceNewlines = printerOptions.preserveSourceNewlines; // Can be overridden inside nodes with the `IgnoreSourceNewlines` emit flag. + var nextListElementPos; // See comment in `getLeadingLineTerminatorCount`. + var writer; + var ownWriter; // Reusable `EmitTextWriter` for basic printing. + var write = writeBase; + var isOwnFileEmit; + var bundleFileInfo = printerOptions.writeBundleFileInfo ? { sections: [] } : undefined; + var relativeToBuildInfo = bundleFileInfo ? ts.Debug.checkDefined(printerOptions.relativeToBuildInfo) : undefined; + var recordInternalSection = printerOptions.recordInternalSection; + var sourceFileTextPos = 0; + var sourceFileTextKind = "text" /* BundleFileSectionKind.Text */; + // Source Maps + var sourceMapsDisabled = true; + var sourceMapGenerator; + var sourceMapSource; + var sourceMapSourceIndex = -1; + var mostRecentlyAddedSourceMapSource; + var mostRecentlyAddedSourceMapSourceIndex = -1; + // Comments + var containerPos = -1; + var containerEnd = -1; + var declarationListContainerEnd = -1; + var currentLineMap; + var detachedCommentsInfo; + var hasWrittenComment = false; + var commentsDisabled = !!printerOptions.removeComments; + var lastSubstitution; + var currentParenthesizerRule; + var _c = ts.performance.createTimerIf(extendedDiagnostics, "commentTime", "beforeComment", "afterComment"), enterComment = _c.enter, exitComment = _c.exit; + var parenthesizer = ts.factory.parenthesizer; + var typeArgumentParenthesizerRuleSelector = { + select: function (index) { return index === 0 ? parenthesizer.parenthesizeLeadingTypeArgument : undefined; } + }; + var emitBinaryExpression = createEmitBinaryExpression(); + reset(); + return { + // public API + printNode: printNode, + printList: printList, + printFile: printFile, + printBundle: printBundle, + // internal API + writeNode: writeNode, + writeList: writeList, + writeFile: writeFile, + writeBundle: writeBundle, + bundleFileInfo: bundleFileInfo + }; + function printNode(hint, node, sourceFile) { + switch (hint) { + case 0 /* EmitHint.SourceFile */: + ts.Debug.assert(ts.isSourceFile(node), "Expected a SourceFile node."); + break; + case 2 /* EmitHint.IdentifierName */: + ts.Debug.assert(ts.isIdentifier(node), "Expected an Identifier node."); + break; + case 1 /* EmitHint.Expression */: + ts.Debug.assert(ts.isExpression(node), "Expected an Expression node."); + break; + } + switch (node.kind) { + case 305 /* SyntaxKind.SourceFile */: return printFile(node); + case 306 /* SyntaxKind.Bundle */: return printBundle(node); + case 307 /* SyntaxKind.UnparsedSource */: return printUnparsedSource(node); + } + writeNode(hint, node, sourceFile, beginPrint()); + return endPrint(); + } + function printList(format, nodes, sourceFile) { + writeList(format, nodes, sourceFile, beginPrint()); + return endPrint(); + } + function printBundle(bundle) { + writeBundle(bundle, beginPrint(), /*sourceMapEmitter*/ undefined); + return endPrint(); + } + function printFile(sourceFile) { + writeFile(sourceFile, beginPrint(), /*sourceMapEmitter*/ undefined); + return endPrint(); + } + function printUnparsedSource(unparsed) { + writeUnparsedSource(unparsed, beginPrint()); + return endPrint(); + } + function writeNode(hint, node, sourceFile, output) { + var previousWriter = writer; + setWriter(output, /*_sourceMapGenerator*/ undefined); + print(hint, node, sourceFile); + reset(); + writer = previousWriter; + } + function writeList(format, nodes, sourceFile, output) { + var previousWriter = writer; + setWriter(output, /*_sourceMapGenerator*/ undefined); + if (sourceFile) { + setSourceFile(sourceFile); + } + emitList(/*parentNode*/ undefined, nodes, format); + reset(); + writer = previousWriter; + } + function getTextPosWithWriteLine() { + return writer.getTextPosWithWriteLine ? writer.getTextPosWithWriteLine() : writer.getTextPos(); + } + function updateOrPushBundleFileTextLike(pos, end, kind) { + var last = ts.lastOrUndefined(bundleFileInfo.sections); + if (last && last.kind === kind) { + last.end = end; + } + else { + bundleFileInfo.sections.push({ pos: pos, end: end, kind: kind }); + } + } + function recordBundleFileInternalSectionStart(node) { + if (recordInternalSection && + bundleFileInfo && + currentSourceFile && + (ts.isDeclaration(node) || ts.isVariableStatement(node)) && + ts.isInternalDeclaration(node, currentSourceFile) && + sourceFileTextKind !== "internal" /* BundleFileSectionKind.Internal */) { + var prevSourceFileTextKind = sourceFileTextKind; + recordBundleFileTextLikeSection(writer.getTextPos()); + sourceFileTextPos = getTextPosWithWriteLine(); + sourceFileTextKind = "internal" /* BundleFileSectionKind.Internal */; + return prevSourceFileTextKind; + } + return undefined; + } + function recordBundleFileInternalSectionEnd(prevSourceFileTextKind) { + if (prevSourceFileTextKind) { + recordBundleFileTextLikeSection(writer.getTextPos()); + sourceFileTextPos = getTextPosWithWriteLine(); + sourceFileTextKind = prevSourceFileTextKind; + } + } + function recordBundleFileTextLikeSection(end) { + if (sourceFileTextPos < end) { + updateOrPushBundleFileTextLike(sourceFileTextPos, end, sourceFileTextKind); + return true; + } + return false; + } + function writeBundle(bundle, output, sourceMapGenerator) { + var _a; + isOwnFileEmit = false; + var previousWriter = writer; + setWriter(output, sourceMapGenerator); + emitShebangIfNeeded(bundle); + emitPrologueDirectivesIfNeeded(bundle); + emitHelpers(bundle); + emitSyntheticTripleSlashReferencesIfNeeded(bundle); + for (var _b = 0, _c = bundle.prepends; _b < _c.length; _b++) { + var prepend = _c[_b]; + writeLine(); + var pos = writer.getTextPos(); + var savedSections = bundleFileInfo && bundleFileInfo.sections; + if (savedSections) + bundleFileInfo.sections = []; + print(4 /* EmitHint.Unspecified */, prepend, /*sourceFile*/ undefined); + if (bundleFileInfo) { + var newSections = bundleFileInfo.sections; + bundleFileInfo.sections = savedSections; + if (prepend.oldFileOfCurrentEmit) + (_a = bundleFileInfo.sections).push.apply(_a, newSections); + else { + newSections.forEach(function (section) { return ts.Debug.assert(ts.isBundleFileTextLike(section)); }); + bundleFileInfo.sections.push({ + pos: pos, + end: writer.getTextPos(), + kind: "prepend" /* BundleFileSectionKind.Prepend */, + data: relativeToBuildInfo(prepend.fileName), + texts: newSections + }); + } + } + } + sourceFileTextPos = getTextPosWithWriteLine(); + for (var _d = 0, _e = bundle.sourceFiles; _d < _e.length; _d++) { + var sourceFile = _e[_d]; + print(0 /* EmitHint.SourceFile */, sourceFile, sourceFile); + } + if (bundleFileInfo && bundle.sourceFiles.length) { + var end = writer.getTextPos(); + if (recordBundleFileTextLikeSection(end)) { + // Store prologues + var prologues = getPrologueDirectivesFromBundledSourceFiles(bundle); + if (prologues) { + if (!bundleFileInfo.sources) + bundleFileInfo.sources = {}; + bundleFileInfo.sources.prologues = prologues; + } + // Store helpes + var helpers = getHelpersFromBundledSourceFiles(bundle); + if (helpers) { + if (!bundleFileInfo.sources) + bundleFileInfo.sources = {}; + bundleFileInfo.sources.helpers = helpers; + } + } + } + reset(); + writer = previousWriter; + } + function writeUnparsedSource(unparsed, output) { + var previousWriter = writer; + setWriter(output, /*_sourceMapGenerator*/ undefined); + print(4 /* EmitHint.Unspecified */, unparsed, /*sourceFile*/ undefined); + reset(); + writer = previousWriter; + } + function writeFile(sourceFile, output, sourceMapGenerator) { + isOwnFileEmit = true; + var previousWriter = writer; + setWriter(output, sourceMapGenerator); + emitShebangIfNeeded(sourceFile); + emitPrologueDirectivesIfNeeded(sourceFile); + print(0 /* EmitHint.SourceFile */, sourceFile, sourceFile); + reset(); + writer = previousWriter; + } + function beginPrint() { + return ownWriter || (ownWriter = ts.createTextWriter(newLine)); + } + function endPrint() { + var text = ownWriter.getText(); + ownWriter.clear(); + return text; + } + function print(hint, node, sourceFile) { + if (sourceFile) { + setSourceFile(sourceFile); + } + pipelineEmit(hint, node, /*parenthesizerRule*/ undefined); + } + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentLineMap = undefined; + detachedCommentsInfo = undefined; + if (sourceFile) { + setSourceMapSource(sourceFile); + } + } + function setWriter(_writer, _sourceMapGenerator) { + if (_writer && printerOptions.omitTrailingSemicolon) { + _writer = ts.getTrailingSemicolonDeferringWriter(_writer); + } + writer = _writer; // TODO: GH#18217 + sourceMapGenerator = _sourceMapGenerator; + sourceMapsDisabled = !writer || !sourceMapGenerator; + } + function reset() { + nodeIdToGeneratedName = []; + autoGeneratedIdToGeneratedName = []; + generatedNames = new ts.Set(); + tempFlagsStack = []; + tempFlags = 0 /* TempFlags.Auto */; + reservedNamesStack = []; + currentSourceFile = undefined; + currentLineMap = undefined; + detachedCommentsInfo = undefined; + setWriter(/*output*/ undefined, /*_sourceMapGenerator*/ undefined); + } + function getCurrentLineMap() { + return currentLineMap || (currentLineMap = ts.getLineStarts(ts.Debug.checkDefined(currentSourceFile))); + } + function emit(node, parenthesizerRule) { + if (node === undefined) + return; + var prevSourceFileTextKind = recordBundleFileInternalSectionStart(node); + pipelineEmit(4 /* EmitHint.Unspecified */, node, parenthesizerRule); + recordBundleFileInternalSectionEnd(prevSourceFileTextKind); + } + function emitIdentifierName(node) { + if (node === undefined) + return; + pipelineEmit(2 /* EmitHint.IdentifierName */, node, /*parenthesizerRule*/ undefined); + } + function emitExpression(node, parenthesizerRule) { + if (node === undefined) + return; + pipelineEmit(1 /* EmitHint.Expression */, node, parenthesizerRule); + } + function emitJsxAttributeValue(node) { + pipelineEmit(ts.isStringLiteral(node) ? 6 /* EmitHint.JsxAttributeValue */ : 4 /* EmitHint.Unspecified */, node); + } + function beforeEmitNode(node) { + if (preserveSourceNewlines && (ts.getEmitFlags(node) & 134217728 /* EmitFlags.IgnoreSourceNewlines */)) { + preserveSourceNewlines = false; + } + } + function afterEmitNode(savedPreserveSourceNewlines) { + preserveSourceNewlines = savedPreserveSourceNewlines; + } + function pipelineEmit(emitHint, node, parenthesizerRule) { + currentParenthesizerRule = parenthesizerRule; + var pipelinePhase = getPipelinePhase(0 /* PipelinePhase.Notification */, emitHint, node); + pipelinePhase(emitHint, node); + currentParenthesizerRule = undefined; + } + function shouldEmitComments(node) { + return !commentsDisabled && !ts.isSourceFile(node); + } + function shouldEmitSourceMaps(node) { + return !sourceMapsDisabled && + !ts.isSourceFile(node) && + !ts.isInJsonFile(node) && + !ts.isUnparsedSource(node) && + !ts.isUnparsedPrepend(node); + } + function getPipelinePhase(phase, emitHint, node) { + switch (phase) { + case 0 /* PipelinePhase.Notification */: + if (onEmitNode !== ts.noEmitNotification && (!isEmitNotificationEnabled || isEmitNotificationEnabled(node))) { + return pipelineEmitWithNotification; + } + // falls through + case 1 /* PipelinePhase.Substitution */: + if (substituteNode !== ts.noEmitSubstitution && (lastSubstitution = substituteNode(emitHint, node) || node) !== node) { + if (currentParenthesizerRule) { + lastSubstitution = currentParenthesizerRule(lastSubstitution); + } + return pipelineEmitWithSubstitution; + } + // falls through + case 2 /* PipelinePhase.Comments */: + if (shouldEmitComments(node)) { + return pipelineEmitWithComments; + } + // falls through + case 3 /* PipelinePhase.SourceMaps */: + if (shouldEmitSourceMaps(node)) { + return pipelineEmitWithSourceMaps; + } + // falls through + case 4 /* PipelinePhase.Emit */: + return pipelineEmitWithHint; + default: + return ts.Debug.assertNever(phase); + } + } + function getNextPipelinePhase(currentPhase, emitHint, node) { + return getPipelinePhase(currentPhase + 1, emitHint, node); + } + function pipelineEmitWithNotification(hint, node) { + var pipelinePhase = getNextPipelinePhase(0 /* PipelinePhase.Notification */, hint, node); + onEmitNode(hint, node, pipelinePhase); + } + function pipelineEmitWithHint(hint, node) { + onBeforeEmitNode === null || onBeforeEmitNode === void 0 ? void 0 : onBeforeEmitNode(node); + if (preserveSourceNewlines) { + var savedPreserveSourceNewlines = preserveSourceNewlines; + beforeEmitNode(node); + pipelineEmitWithHintWorker(hint, node); + afterEmitNode(savedPreserveSourceNewlines); + } + else { + pipelineEmitWithHintWorker(hint, node); + } + onAfterEmitNode === null || onAfterEmitNode === void 0 ? void 0 : onAfterEmitNode(node); + // clear the parenthesizer rule as we ascend + currentParenthesizerRule = undefined; + } + function pipelineEmitWithHintWorker(hint, node, allowSnippets) { + if (allowSnippets === void 0) { allowSnippets = true; } + if (allowSnippets) { + var snippet = ts.getSnippetElement(node); + if (snippet) { + return emitSnippetNode(hint, node, snippet); + } + } + if (hint === 0 /* EmitHint.SourceFile */) + return emitSourceFile(ts.cast(node, ts.isSourceFile)); + if (hint === 2 /* EmitHint.IdentifierName */) + return emitIdentifier(ts.cast(node, ts.isIdentifier)); + if (hint === 6 /* EmitHint.JsxAttributeValue */) + return emitLiteral(ts.cast(node, ts.isStringLiteral), /*jsxAttributeEscape*/ true); + if (hint === 3 /* EmitHint.MappedTypeParameter */) + return emitMappedTypeParameter(ts.cast(node, ts.isTypeParameterDeclaration)); + if (hint === 5 /* EmitHint.EmbeddedStatement */) { + ts.Debug.assertNode(node, ts.isEmptyStatement); + return emitEmptyStatement(/*isEmbeddedStatement*/ true); + } + if (hint === 4 /* EmitHint.Unspecified */) { + switch (node.kind) { + // Pseudo-literals + case 15 /* SyntaxKind.TemplateHead */: + case 16 /* SyntaxKind.TemplateMiddle */: + case 17 /* SyntaxKind.TemplateTail */: + return emitLiteral(node, /*jsxAttributeEscape*/ false); + // Identifiers + case 79 /* SyntaxKind.Identifier */: + return emitIdentifier(node); + // PrivateIdentifiers + case 80 /* SyntaxKind.PrivateIdentifier */: + return emitPrivateIdentifier(node); + // Parse tree nodes + // Names + case 161 /* SyntaxKind.QualifiedName */: + return emitQualifiedName(node); + case 162 /* SyntaxKind.ComputedPropertyName */: + return emitComputedPropertyName(node); + // Signature elements + case 163 /* SyntaxKind.TypeParameter */: + return emitTypeParameter(node); + case 164 /* SyntaxKind.Parameter */: + return emitParameter(node); + case 165 /* SyntaxKind.Decorator */: + return emitDecorator(node); + // Type members + case 166 /* SyntaxKind.PropertySignature */: + return emitPropertySignature(node); + case 167 /* SyntaxKind.PropertyDeclaration */: + return emitPropertyDeclaration(node); + case 168 /* SyntaxKind.MethodSignature */: + return emitMethodSignature(node); + case 169 /* SyntaxKind.MethodDeclaration */: + return emitMethodDeclaration(node); + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return emitClassStaticBlockDeclaration(node); + case 171 /* SyntaxKind.Constructor */: + return emitConstructor(node); + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return emitAccessorDeclaration(node); + case 174 /* SyntaxKind.CallSignature */: + return emitCallSignature(node); + case 175 /* SyntaxKind.ConstructSignature */: + return emitConstructSignature(node); + case 176 /* SyntaxKind.IndexSignature */: + return emitIndexSignature(node); + // Types + case 177 /* SyntaxKind.TypePredicate */: + return emitTypePredicate(node); + case 178 /* SyntaxKind.TypeReference */: + return emitTypeReference(node); + case 179 /* SyntaxKind.FunctionType */: + return emitFunctionType(node); + case 180 /* SyntaxKind.ConstructorType */: + return emitConstructorType(node); + case 181 /* SyntaxKind.TypeQuery */: + return emitTypeQuery(node); + case 182 /* SyntaxKind.TypeLiteral */: + return emitTypeLiteral(node); + case 183 /* SyntaxKind.ArrayType */: + return emitArrayType(node); + case 184 /* SyntaxKind.TupleType */: + return emitTupleType(node); + case 185 /* SyntaxKind.OptionalType */: + return emitOptionalType(node); + // SyntaxKind.RestType is handled below + case 187 /* SyntaxKind.UnionType */: + return emitUnionType(node); + case 188 /* SyntaxKind.IntersectionType */: + return emitIntersectionType(node); + case 189 /* SyntaxKind.ConditionalType */: + return emitConditionalType(node); + case 190 /* SyntaxKind.InferType */: + return emitInferType(node); + case 191 /* SyntaxKind.ParenthesizedType */: + return emitParenthesizedType(node); + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return emitExpressionWithTypeArguments(node); + case 192 /* SyntaxKind.ThisType */: + return emitThisType(); + case 193 /* SyntaxKind.TypeOperator */: + return emitTypeOperator(node); + case 194 /* SyntaxKind.IndexedAccessType */: + return emitIndexedAccessType(node); + case 195 /* SyntaxKind.MappedType */: + return emitMappedType(node); + case 196 /* SyntaxKind.LiteralType */: + return emitLiteralType(node); + case 197 /* SyntaxKind.NamedTupleMember */: + return emitNamedTupleMember(node); + case 198 /* SyntaxKind.TemplateLiteralType */: + return emitTemplateType(node); + case 199 /* SyntaxKind.TemplateLiteralTypeSpan */: + return emitTemplateTypeSpan(node); + case 200 /* SyntaxKind.ImportType */: + return emitImportTypeNode(node); + // Binding patterns + case 201 /* SyntaxKind.ObjectBindingPattern */: + return emitObjectBindingPattern(node); + case 202 /* SyntaxKind.ArrayBindingPattern */: + return emitArrayBindingPattern(node); + case 203 /* SyntaxKind.BindingElement */: + return emitBindingElement(node); + // Misc + case 233 /* SyntaxKind.TemplateSpan */: + return emitTemplateSpan(node); + case 234 /* SyntaxKind.SemicolonClassElement */: + return emitSemicolonClassElement(); + // Statements + case 235 /* SyntaxKind.Block */: + return emitBlock(node); + case 237 /* SyntaxKind.VariableStatement */: + return emitVariableStatement(node); + case 236 /* SyntaxKind.EmptyStatement */: + return emitEmptyStatement(/*isEmbeddedStatement*/ false); + case 238 /* SyntaxKind.ExpressionStatement */: + return emitExpressionStatement(node); + case 239 /* SyntaxKind.IfStatement */: + return emitIfStatement(node); + case 240 /* SyntaxKind.DoStatement */: + return emitDoStatement(node); + case 241 /* SyntaxKind.WhileStatement */: + return emitWhileStatement(node); + case 242 /* SyntaxKind.ForStatement */: + return emitForStatement(node); + case 243 /* SyntaxKind.ForInStatement */: + return emitForInStatement(node); + case 244 /* SyntaxKind.ForOfStatement */: + return emitForOfStatement(node); + case 245 /* SyntaxKind.ContinueStatement */: + return emitContinueStatement(node); + case 246 /* SyntaxKind.BreakStatement */: + return emitBreakStatement(node); + case 247 /* SyntaxKind.ReturnStatement */: + return emitReturnStatement(node); + case 248 /* SyntaxKind.WithStatement */: + return emitWithStatement(node); + case 249 /* SyntaxKind.SwitchStatement */: + return emitSwitchStatement(node); + case 250 /* SyntaxKind.LabeledStatement */: + return emitLabeledStatement(node); + case 251 /* SyntaxKind.ThrowStatement */: + return emitThrowStatement(node); + case 252 /* SyntaxKind.TryStatement */: + return emitTryStatement(node); + case 253 /* SyntaxKind.DebuggerStatement */: + return emitDebuggerStatement(node); + // Declarations + case 254 /* SyntaxKind.VariableDeclaration */: + return emitVariableDeclaration(node); + case 255 /* SyntaxKind.VariableDeclarationList */: + return emitVariableDeclarationList(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + return emitFunctionDeclaration(node); + case 257 /* SyntaxKind.ClassDeclaration */: + return emitClassDeclaration(node); + case 258 /* SyntaxKind.InterfaceDeclaration */: + return emitInterfaceDeclaration(node); + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return emitTypeAliasDeclaration(node); + case 260 /* SyntaxKind.EnumDeclaration */: + return emitEnumDeclaration(node); + case 261 /* SyntaxKind.ModuleDeclaration */: + return emitModuleDeclaration(node); + case 262 /* SyntaxKind.ModuleBlock */: + return emitModuleBlock(node); + case 263 /* SyntaxKind.CaseBlock */: + return emitCaseBlock(node); + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + return emitNamespaceExportDeclaration(node); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return emitImportEqualsDeclaration(node); + case 266 /* SyntaxKind.ImportDeclaration */: + return emitImportDeclaration(node); + case 267 /* SyntaxKind.ImportClause */: + return emitImportClause(node); + case 268 /* SyntaxKind.NamespaceImport */: + return emitNamespaceImport(node); + case 274 /* SyntaxKind.NamespaceExport */: + return emitNamespaceExport(node); + case 269 /* SyntaxKind.NamedImports */: + return emitNamedImports(node); + case 270 /* SyntaxKind.ImportSpecifier */: + return emitImportSpecifier(node); + case 271 /* SyntaxKind.ExportAssignment */: + return emitExportAssignment(node); + case 272 /* SyntaxKind.ExportDeclaration */: + return emitExportDeclaration(node); + case 273 /* SyntaxKind.NamedExports */: + return emitNamedExports(node); + case 275 /* SyntaxKind.ExportSpecifier */: + return emitExportSpecifier(node); + case 293 /* SyntaxKind.AssertClause */: + return emitAssertClause(node); + case 294 /* SyntaxKind.AssertEntry */: + return emitAssertEntry(node); + case 276 /* SyntaxKind.MissingDeclaration */: + return; + // Module references + case 277 /* SyntaxKind.ExternalModuleReference */: + return emitExternalModuleReference(node); + // JSX (non-expression) + case 11 /* SyntaxKind.JsxText */: + return emitJsxText(node); + case 280 /* SyntaxKind.JsxOpeningElement */: + case 283 /* SyntaxKind.JsxOpeningFragment */: + return emitJsxOpeningElementOrFragment(node); + case 281 /* SyntaxKind.JsxClosingElement */: + case 284 /* SyntaxKind.JsxClosingFragment */: + return emitJsxClosingElementOrFragment(node); + case 285 /* SyntaxKind.JsxAttribute */: + return emitJsxAttribute(node); + case 286 /* SyntaxKind.JsxAttributes */: + return emitJsxAttributes(node); + case 287 /* SyntaxKind.JsxSpreadAttribute */: + return emitJsxSpreadAttribute(node); + case 288 /* SyntaxKind.JsxExpression */: + return emitJsxExpression(node); + // Clauses + case 289 /* SyntaxKind.CaseClause */: + return emitCaseClause(node); + case 290 /* SyntaxKind.DefaultClause */: + return emitDefaultClause(node); + case 291 /* SyntaxKind.HeritageClause */: + return emitHeritageClause(node); + case 292 /* SyntaxKind.CatchClause */: + return emitCatchClause(node); + // Property assignments + case 296 /* SyntaxKind.PropertyAssignment */: + return emitPropertyAssignment(node); + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return emitShorthandPropertyAssignment(node); + case 298 /* SyntaxKind.SpreadAssignment */: + return emitSpreadAssignment(node); + // Enum + case 299 /* SyntaxKind.EnumMember */: + return emitEnumMember(node); + // Unparsed + case 300 /* SyntaxKind.UnparsedPrologue */: + return writeUnparsedNode(node); + case 307 /* SyntaxKind.UnparsedSource */: + case 301 /* SyntaxKind.UnparsedPrepend */: + return emitUnparsedSourceOrPrepend(node); + case 302 /* SyntaxKind.UnparsedText */: + case 303 /* SyntaxKind.UnparsedInternalText */: + return emitUnparsedTextLike(node); + case 304 /* SyntaxKind.UnparsedSyntheticReference */: + return emitUnparsedSyntheticReference(node); + // Top-level nodes + case 305 /* SyntaxKind.SourceFile */: + return emitSourceFile(node); + case 306 /* SyntaxKind.Bundle */: + return ts.Debug.fail("Bundles should be printed using printBundle"); + // SyntaxKind.UnparsedSource (handled above) + case 308 /* SyntaxKind.InputFiles */: + return ts.Debug.fail("InputFiles should not be printed"); + // JSDoc nodes (only used in codefixes currently) + case 309 /* SyntaxKind.JSDocTypeExpression */: + return emitJSDocTypeExpression(node); + case 310 /* SyntaxKind.JSDocNameReference */: + return emitJSDocNameReference(node); + case 312 /* SyntaxKind.JSDocAllType */: + return writePunctuation("*"); + case 313 /* SyntaxKind.JSDocUnknownType */: + return writePunctuation("?"); + case 314 /* SyntaxKind.JSDocNullableType */: + return emitJSDocNullableType(node); + case 315 /* SyntaxKind.JSDocNonNullableType */: + return emitJSDocNonNullableType(node); + case 316 /* SyntaxKind.JSDocOptionalType */: + return emitJSDocOptionalType(node); + case 317 /* SyntaxKind.JSDocFunctionType */: + return emitJSDocFunctionType(node); + case 186 /* SyntaxKind.RestType */: + case 318 /* SyntaxKind.JSDocVariadicType */: + return emitRestOrJSDocVariadicType(node); + case 319 /* SyntaxKind.JSDocNamepathType */: + return; + case 320 /* SyntaxKind.JSDoc */: + return emitJSDoc(node); + case 322 /* SyntaxKind.JSDocTypeLiteral */: + return emitJSDocTypeLiteral(node); + case 323 /* SyntaxKind.JSDocSignature */: + return emitJSDocSignature(node); + case 327 /* SyntaxKind.JSDocTag */: + case 332 /* SyntaxKind.JSDocClassTag */: + case 337 /* SyntaxKind.JSDocOverrideTag */: + return emitJSDocSimpleTag(node); + case 328 /* SyntaxKind.JSDocAugmentsTag */: + case 329 /* SyntaxKind.JSDocImplementsTag */: + return emitJSDocHeritageTag(node); + case 330 /* SyntaxKind.JSDocAuthorTag */: + case 331 /* SyntaxKind.JSDocDeprecatedTag */: + return; + // SyntaxKind.JSDocClassTag (see JSDocTag, above) + case 333 /* SyntaxKind.JSDocPublicTag */: + case 334 /* SyntaxKind.JSDocPrivateTag */: + case 335 /* SyntaxKind.JSDocProtectedTag */: + case 336 /* SyntaxKind.JSDocReadonlyTag */: + return; + case 338 /* SyntaxKind.JSDocCallbackTag */: + return emitJSDocCallbackTag(node); + // SyntaxKind.JSDocEnumTag (see below) + case 340 /* SyntaxKind.JSDocParameterTag */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + return emitJSDocPropertyLikeTag(node); + case 339 /* SyntaxKind.JSDocEnumTag */: + case 341 /* SyntaxKind.JSDocReturnTag */: + case 342 /* SyntaxKind.JSDocThisTag */: + case 343 /* SyntaxKind.JSDocTypeTag */: + return emitJSDocSimpleTypedTag(node); + case 344 /* SyntaxKind.JSDocTemplateTag */: + return emitJSDocTemplateTag(node); + case 345 /* SyntaxKind.JSDocTypedefTag */: + return emitJSDocTypedefTag(node); + case 346 /* SyntaxKind.JSDocSeeTag */: + return emitJSDocSeeTag(node); + // SyntaxKind.JSDocPropertyTag (see JSDocParameterTag, above) + // Transformation nodes + case 349 /* SyntaxKind.NotEmittedStatement */: + case 353 /* SyntaxKind.EndOfDeclarationMarker */: + case 352 /* SyntaxKind.MergeDeclarationMarker */: + return; + } + if (ts.isExpression(node)) { + hint = 1 /* EmitHint.Expression */; + if (substituteNode !== ts.noEmitSubstitution) { + var substitute = substituteNode(hint, node) || node; + if (substitute !== node) { + node = substitute; + if (currentParenthesizerRule) { + node = currentParenthesizerRule(node); + } + } + } + } + } + if (hint === 1 /* EmitHint.Expression */) { + switch (node.kind) { + // Literals + case 8 /* SyntaxKind.NumericLiteral */: + case 9 /* SyntaxKind.BigIntLiteral */: + return emitNumericOrBigIntLiteral(node); + case 10 /* SyntaxKind.StringLiteral */: + case 13 /* SyntaxKind.RegularExpressionLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return emitLiteral(node, /*jsxAttributeEscape*/ false); + // Identifiers + case 79 /* SyntaxKind.Identifier */: + return emitIdentifier(node); + case 80 /* SyntaxKind.PrivateIdentifier */: + return emitPrivateIdentifier(node); + // Expressions + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return emitArrayLiteralExpression(node); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return emitObjectLiteralExpression(node); + case 206 /* SyntaxKind.PropertyAccessExpression */: + return emitPropertyAccessExpression(node); + case 207 /* SyntaxKind.ElementAccessExpression */: + return emitElementAccessExpression(node); + case 208 /* SyntaxKind.CallExpression */: + return emitCallExpression(node); + case 209 /* SyntaxKind.NewExpression */: + return emitNewExpression(node); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return emitTaggedTemplateExpression(node); + case 211 /* SyntaxKind.TypeAssertionExpression */: + return emitTypeAssertionExpression(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return emitParenthesizedExpression(node); + case 213 /* SyntaxKind.FunctionExpression */: + return emitFunctionExpression(node); + case 214 /* SyntaxKind.ArrowFunction */: + return emitArrowFunction(node); + case 215 /* SyntaxKind.DeleteExpression */: + return emitDeleteExpression(node); + case 216 /* SyntaxKind.TypeOfExpression */: + return emitTypeOfExpression(node); + case 217 /* SyntaxKind.VoidExpression */: + return emitVoidExpression(node); + case 218 /* SyntaxKind.AwaitExpression */: + return emitAwaitExpression(node); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + return emitPrefixUnaryExpression(node); + case 220 /* SyntaxKind.PostfixUnaryExpression */: + return emitPostfixUnaryExpression(node); + case 221 /* SyntaxKind.BinaryExpression */: + return emitBinaryExpression(node); + case 222 /* SyntaxKind.ConditionalExpression */: + return emitConditionalExpression(node); + case 223 /* SyntaxKind.TemplateExpression */: + return emitTemplateExpression(node); + case 224 /* SyntaxKind.YieldExpression */: + return emitYieldExpression(node); + case 225 /* SyntaxKind.SpreadElement */: + return emitSpreadElement(node); + case 226 /* SyntaxKind.ClassExpression */: + return emitClassExpression(node); + case 227 /* SyntaxKind.OmittedExpression */: + return; + case 229 /* SyntaxKind.AsExpression */: + return emitAsExpression(node); + case 230 /* SyntaxKind.NonNullExpression */: + return emitNonNullExpression(node); + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return emitExpressionWithTypeArguments(node); + case 231 /* SyntaxKind.MetaProperty */: + return emitMetaProperty(node); + case 232 /* SyntaxKind.SyntheticExpression */: + return ts.Debug.fail("SyntheticExpression should never be printed."); + // JSX + case 278 /* SyntaxKind.JsxElement */: + return emitJsxElement(node); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + return emitJsxSelfClosingElement(node); + case 282 /* SyntaxKind.JsxFragment */: + return emitJsxFragment(node); + // Synthesized list + case 348 /* SyntaxKind.SyntaxList */: + return ts.Debug.fail("SyntaxList should not be printed"); + // Transformation nodes + case 349 /* SyntaxKind.NotEmittedStatement */: + return; + case 350 /* SyntaxKind.PartiallyEmittedExpression */: + return emitPartiallyEmittedExpression(node); + case 351 /* SyntaxKind.CommaListExpression */: + return emitCommaList(node); + case 352 /* SyntaxKind.MergeDeclarationMarker */: + case 353 /* SyntaxKind.EndOfDeclarationMarker */: + return; + case 354 /* SyntaxKind.SyntheticReferenceExpression */: + return ts.Debug.fail("SyntheticReferenceExpression should not be printed"); + } + } + if (ts.isKeyword(node.kind)) + return writeTokenNode(node, writeKeyword); + if (ts.isTokenKind(node.kind)) + return writeTokenNode(node, writePunctuation); + ts.Debug.fail("Unhandled SyntaxKind: ".concat(ts.Debug.formatSyntaxKind(node.kind), ".")); + } + function emitMappedTypeParameter(node) { + emit(node.name); + writeSpace(); + writeKeyword("in"); + writeSpace(); + emit(node.constraint); + } + function pipelineEmitWithSubstitution(hint, node) { + var pipelinePhase = getNextPipelinePhase(1 /* PipelinePhase.Substitution */, hint, node); + ts.Debug.assertIsDefined(lastSubstitution); + node = lastSubstitution; + lastSubstitution = undefined; + pipelinePhase(hint, node); + } + function getHelpersFromBundledSourceFiles(bundle) { + var result; + if (moduleKind === ts.ModuleKind.None || printerOptions.noEmitHelpers) { + return undefined; + } + var bundledHelpers = new ts.Map(); + for (var _a = 0, _b = bundle.sourceFiles; _a < _b.length; _a++) { + var sourceFile = _b[_a]; + var shouldSkip = ts.getExternalHelpersModuleName(sourceFile) !== undefined; + var helpers = getSortedEmitHelpers(sourceFile); + if (!helpers) + continue; + for (var _c = 0, helpers_5 = helpers; _c < helpers_5.length; _c++) { + var helper = helpers_5[_c]; + if (!helper.scoped && !shouldSkip && !bundledHelpers.get(helper.name)) { + bundledHelpers.set(helper.name, true); + (result || (result = [])).push(helper.name); + } + } + } + return result; + } + function emitHelpers(node) { + var helpersEmitted = false; + var bundle = node.kind === 306 /* SyntaxKind.Bundle */ ? node : undefined; + if (bundle && moduleKind === ts.ModuleKind.None) { + return; + } + var numPrepends = bundle ? bundle.prepends.length : 0; + var numNodes = bundle ? bundle.sourceFiles.length + numPrepends : 1; + for (var i = 0; i < numNodes; i++) { + var currentNode = bundle ? i < numPrepends ? bundle.prepends[i] : bundle.sourceFiles[i - numPrepends] : node; + var sourceFile = ts.isSourceFile(currentNode) ? currentNode : ts.isUnparsedSource(currentNode) ? undefined : currentSourceFile; + var shouldSkip = printerOptions.noEmitHelpers || (!!sourceFile && ts.hasRecordedExternalHelpers(sourceFile)); + var shouldBundle = (ts.isSourceFile(currentNode) || ts.isUnparsedSource(currentNode)) && !isOwnFileEmit; + var helpers = ts.isUnparsedSource(currentNode) ? currentNode.helpers : getSortedEmitHelpers(currentNode); + if (helpers) { + for (var _a = 0, helpers_6 = helpers; _a < helpers_6.length; _a++) { + var helper = helpers_6[_a]; + if (!helper.scoped) { + // Skip the helper if it can be skipped and the noEmitHelpers compiler + // option is set, or if it can be imported and the importHelpers compiler + // option is set. + if (shouldSkip) + continue; + // Skip the helper if it can be bundled but hasn't already been emitted and we + // are emitting a bundled module. + if (shouldBundle) { + if (bundledHelpers.get(helper.name)) { + continue; + } + bundledHelpers.set(helper.name, true); + } + } + else if (bundle) { + // Skip the helper if it is scoped and we are emitting bundled helpers + continue; + } + var pos = getTextPosWithWriteLine(); + if (typeof helper.text === "string") { + writeLines(helper.text); + } + else { + writeLines(helper.text(makeFileLevelOptimisticUniqueName)); + } + if (bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "emitHelpers" /* BundleFileSectionKind.EmitHelpers */, data: helper.name }); + helpersEmitted = true; + } + } + } + return helpersEmitted; + } + function getSortedEmitHelpers(node) { + var helpers = ts.getEmitHelpers(node); + return helpers && ts.stableSort(helpers, ts.compareEmitHelpers); + } + // + // Literals/Pseudo-literals + // + // SyntaxKind.NumericLiteral + // SyntaxKind.BigIntLiteral + function emitNumericOrBigIntLiteral(node) { + emitLiteral(node, /*jsxAttributeEscape*/ false); + } + // SyntaxKind.StringLiteral + // SyntaxKind.RegularExpressionLiteral + // SyntaxKind.NoSubstitutionTemplateLiteral + // SyntaxKind.TemplateHead + // SyntaxKind.TemplateMiddle + // SyntaxKind.TemplateTail + function emitLiteral(node, jsxAttributeEscape) { + var text = getLiteralTextOfNode(node, printerOptions.neverAsciiEscape, jsxAttributeEscape); + if ((printerOptions.sourceMap || printerOptions.inlineSourceMap) + && (node.kind === 10 /* SyntaxKind.StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) { + writeLiteral(text); + } + else { + // Quick info expects all literals to be called with writeStringLiteral, as there's no specific type for numberLiterals + writeStringLiteral(text); + } + } + // SyntaxKind.UnparsedSource + // SyntaxKind.UnparsedPrepend + function emitUnparsedSourceOrPrepend(unparsed) { + for (var _a = 0, _b = unparsed.texts; _a < _b.length; _a++) { + var text = _b[_a]; + writeLine(); + emit(text); + } + } + // SyntaxKind.UnparsedPrologue + // SyntaxKind.UnparsedText + // SyntaxKind.UnparsedInternal + // SyntaxKind.UnparsedSyntheticReference + function writeUnparsedNode(unparsed) { + writer.rawWrite(unparsed.parent.text.substring(unparsed.pos, unparsed.end)); + } + // SyntaxKind.UnparsedText + // SyntaxKind.UnparsedInternal + function emitUnparsedTextLike(unparsed) { + var pos = getTextPosWithWriteLine(); + writeUnparsedNode(unparsed); + if (bundleFileInfo) { + updateOrPushBundleFileTextLike(pos, writer.getTextPos(), unparsed.kind === 302 /* SyntaxKind.UnparsedText */ ? + "text" /* BundleFileSectionKind.Text */ : + "internal" /* BundleFileSectionKind.Internal */); + } + } + // SyntaxKind.UnparsedSyntheticReference + function emitUnparsedSyntheticReference(unparsed) { + var pos = getTextPosWithWriteLine(); + writeUnparsedNode(unparsed); + if (bundleFileInfo) { + var section = ts.clone(unparsed.section); + section.pos = pos; + section.end = writer.getTextPos(); + bundleFileInfo.sections.push(section); + } + } + // + // Snippet Elements + // + function emitSnippetNode(hint, node, snippet) { + switch (snippet.kind) { + case 1 /* SnippetKind.Placeholder */: + emitPlaceholder(hint, node, snippet); + break; + case 0 /* SnippetKind.TabStop */: + emitTabStop(hint, node, snippet); + break; + } + } + function emitPlaceholder(hint, node, snippet) { + nonEscapingWrite("${".concat(snippet.order, ":")); // `${2:` + pipelineEmitWithHintWorker(hint, node, /*allowSnippets*/ false); // `...` + nonEscapingWrite("}"); // `}` + // `${2:...}` + } + function emitTabStop(hint, node, snippet) { + // A tab stop should only be attached to an empty node, i.e. a node that doesn't emit any text. + ts.Debug.assert(node.kind === 236 /* SyntaxKind.EmptyStatement */, "A tab stop cannot be attached to a node of kind ".concat(ts.Debug.formatSyntaxKind(node.kind), ".")); + ts.Debug.assert(hint !== 5 /* EmitHint.EmbeddedStatement */, "A tab stop cannot be attached to an embedded statement."); + nonEscapingWrite("$".concat(snippet.order)); + } + // + // Identifiers + // + function emitIdentifier(node) { + var writeText = node.symbol ? writeSymbol : write; + writeText(getTextOfNode(node, /*includeTrivia*/ false), node.symbol); + emitList(node, node.typeArguments, 53776 /* ListFormat.TypeParameters */); // Call emitList directly since it could be an array of TypeParameterDeclarations _or_ type arguments + } + // + // Names + // + function emitPrivateIdentifier(node) { + var writeText = node.symbol ? writeSymbol : write; + writeText(getTextOfNode(node, /*includeTrivia*/ false), node.symbol); + } + function emitQualifiedName(node) { + emitEntityName(node.left); + writePunctuation("."); + emit(node.right); + } + function emitEntityName(node) { + if (node.kind === 79 /* SyntaxKind.Identifier */) { + emitExpression(node); + } + else { + emit(node); + } + } + function emitComputedPropertyName(node) { + writePunctuation("["); + emitExpression(node.expression, parenthesizer.parenthesizeExpressionOfComputedPropertyName); + writePunctuation("]"); + } + // + // Signature elements + // + function emitTypeParameter(node) { + emitModifiers(node, node.modifiers); + emit(node.name); + if (node.constraint) { + writeSpace(); + writeKeyword("extends"); + writeSpace(); + emit(node.constraint); + } + if (node.default) { + writeSpace(); + writeOperator("="); + writeSpace(); + emit(node.default); + } + } + function emitParameter(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.dotDotDotToken); + emitNodeWithWriter(node.name, writeParameter); + emit(node.questionToken); + if (node.parent && node.parent.kind === 317 /* SyntaxKind.JSDocFunctionType */ && !node.name) { + emit(node.type); + } + else { + emitTypeAnnotation(node.type); + } + // The comment position has to fallback to any present node within the parameterdeclaration because as it turns out, the parser can make parameter declarations with _just_ an initializer. + emitInitializer(node.initializer, node.type ? node.type.end : node.questionToken ? node.questionToken.end : node.name ? node.name.end : node.modifiers ? node.modifiers.end : node.decorators ? node.decorators.end : node.pos, node, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitDecorator(decorator) { + writePunctuation("@"); + emitExpression(decorator.expression, parenthesizer.parenthesizeLeftSideOfAccess); + } + // + // Type members + // + function emitPropertySignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitNodeWithWriter(node.name, writeProperty); + emit(node.questionToken); + emitTypeAnnotation(node.type); + writeTrailingSemicolon(); + } + function emitPropertyDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + emit(node.questionToken); + emit(node.exclamationToken); + emitTypeAnnotation(node.type); + emitInitializer(node.initializer, node.type ? node.type.end : node.questionToken ? node.questionToken.end : node.name.end, node); + writeTrailingSemicolon(); + } + function emitMethodSignature(node) { + pushNameGenerationScope(node); + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + emit(node.questionToken); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitTypeAnnotation(node.type); + writeTrailingSemicolon(); + popNameGenerationScope(node); + } + function emitMethodDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.asteriskToken); + emit(node.name); + emit(node.questionToken); + emitSignatureAndBody(node, emitSignatureHead); + } + function emitClassStaticBlockDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword("static"); + emitBlockFunctionBody(node.body); + } + function emitConstructor(node) { + emitModifiers(node, node.modifiers); + writeKeyword("constructor"); + emitSignatureAndBody(node, emitSignatureHead); + } + function emitAccessorDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword(node.kind === 172 /* SyntaxKind.GetAccessor */ ? "get" : "set"); + writeSpace(); + emit(node.name); + emitSignatureAndBody(node, emitSignatureHead); + } + function emitCallSignature(node) { + pushNameGenerationScope(node); + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitTypeAnnotation(node.type); + writeTrailingSemicolon(); + popNameGenerationScope(node); + } + function emitConstructSignature(node) { + pushNameGenerationScope(node); + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword("new"); + writeSpace(); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitTypeAnnotation(node.type); + writeTrailingSemicolon(); + popNameGenerationScope(node); + } + function emitIndexSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitParametersForIndexSignature(node, node.parameters); + emitTypeAnnotation(node.type); + writeTrailingSemicolon(); + } + function emitTemplateTypeSpan(node) { + emit(node.type); + emit(node.literal); + } + function emitSemicolonClassElement() { + writeTrailingSemicolon(); + } + // + // Types + // + function emitTypePredicate(node) { + if (node.assertsModifier) { + emit(node.assertsModifier); + writeSpace(); + } + emit(node.parameterName); + if (node.type) { + writeSpace(); + writeKeyword("is"); + writeSpace(); + emit(node.type); + } + } + function emitTypeReference(node) { + emit(node.typeName); + emitTypeArguments(node, node.typeArguments); + } + function emitFunctionType(node) { + pushNameGenerationScope(node); + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + writeSpace(); + writePunctuation("=>"); + writeSpace(); + emit(node.type); + popNameGenerationScope(node); + } + function emitJSDocFunctionType(node) { + writeKeyword("function"); + emitParameters(node, node.parameters); + writePunctuation(":"); + emit(node.type); + } + function emitJSDocNullableType(node) { + writePunctuation("?"); + emit(node.type); + } + function emitJSDocNonNullableType(node) { + writePunctuation("!"); + emit(node.type); + } + function emitJSDocOptionalType(node) { + emit(node.type); + writePunctuation("="); + } + function emitConstructorType(node) { + pushNameGenerationScope(node); + emitModifiers(node, node.modifiers); + writeKeyword("new"); + writeSpace(); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + writeSpace(); + writePunctuation("=>"); + writeSpace(); + emit(node.type); + popNameGenerationScope(node); + } + function emitTypeQuery(node) { + writeKeyword("typeof"); + writeSpace(); + emit(node.exprName); + emitTypeArguments(node, node.typeArguments); + } + function emitTypeLiteral(node) { + writePunctuation("{"); + var flags = ts.getEmitFlags(node) & 1 /* EmitFlags.SingleLine */ ? 768 /* ListFormat.SingleLineTypeLiteralMembers */ : 32897 /* ListFormat.MultiLineTypeLiteralMembers */; + emitList(node, node.members, flags | 524288 /* ListFormat.NoSpaceIfEmpty */); + writePunctuation("}"); + } + function emitArrayType(node) { + emit(node.elementType, parenthesizer.parenthesizeNonArrayTypeOfPostfixType); + writePunctuation("["); + writePunctuation("]"); + } + function emitRestOrJSDocVariadicType(node) { + writePunctuation("..."); + emit(node.type); + } + function emitTupleType(node) { + emitTokenWithComment(22 /* SyntaxKind.OpenBracketToken */, node.pos, writePunctuation, node); + var flags = ts.getEmitFlags(node) & 1 /* EmitFlags.SingleLine */ ? 528 /* ListFormat.SingleLineTupleTypeElements */ : 657 /* ListFormat.MultiLineTupleTypeElements */; + emitList(node, node.elements, flags | 524288 /* ListFormat.NoSpaceIfEmpty */, parenthesizer.parenthesizeElementTypeOfTupleType); + emitTokenWithComment(23 /* SyntaxKind.CloseBracketToken */, node.elements.end, writePunctuation, node); + } + function emitNamedTupleMember(node) { + emit(node.dotDotDotToken); + emit(node.name); + emit(node.questionToken); + emitTokenWithComment(58 /* SyntaxKind.ColonToken */, node.name.end, writePunctuation, node); + writeSpace(); + emit(node.type); + } + function emitOptionalType(node) { + emit(node.type, parenthesizer.parenthesizeTypeOfOptionalType); + writePunctuation("?"); + } + function emitUnionType(node) { + emitList(node, node.types, 516 /* ListFormat.UnionTypeConstituents */, parenthesizer.parenthesizeConstituentTypeOfUnionType); + } + function emitIntersectionType(node) { + emitList(node, node.types, 520 /* ListFormat.IntersectionTypeConstituents */, parenthesizer.parenthesizeConstituentTypeOfIntersectionType); + } + function emitConditionalType(node) { + emit(node.checkType, parenthesizer.parenthesizeCheckTypeOfConditionalType); + writeSpace(); + writeKeyword("extends"); + writeSpace(); + emit(node.extendsType, parenthesizer.parenthesizeExtendsTypeOfConditionalType); + writeSpace(); + writePunctuation("?"); + writeSpace(); + emit(node.trueType); + writeSpace(); + writePunctuation(":"); + writeSpace(); + emit(node.falseType); + } + function emitInferType(node) { + writeKeyword("infer"); + writeSpace(); + emit(node.typeParameter); + } + function emitParenthesizedType(node) { + writePunctuation("("); + emit(node.type); + writePunctuation(")"); + } + function emitThisType() { + writeKeyword("this"); + } + function emitTypeOperator(node) { + writeTokenText(node.operator, writeKeyword); + writeSpace(); + var parenthesizerRule = node.operator === 145 /* SyntaxKind.ReadonlyKeyword */ ? + parenthesizer.parenthesizeOperandOfReadonlyTypeOperator : + parenthesizer.parenthesizeOperandOfTypeOperator; + emit(node.type, parenthesizerRule); + } + function emitIndexedAccessType(node) { + emit(node.objectType, parenthesizer.parenthesizeNonArrayTypeOfPostfixType); + writePunctuation("["); + emit(node.indexType); + writePunctuation("]"); + } + function emitMappedType(node) { + var emitFlags = ts.getEmitFlags(node); + writePunctuation("{"); + if (emitFlags & 1 /* EmitFlags.SingleLine */) { + writeSpace(); + } + else { + writeLine(); + increaseIndent(); + } + if (node.readonlyToken) { + emit(node.readonlyToken); + if (node.readonlyToken.kind !== 145 /* SyntaxKind.ReadonlyKeyword */) { + writeKeyword("readonly"); + } + writeSpace(); + } + writePunctuation("["); + pipelineEmit(3 /* EmitHint.MappedTypeParameter */, node.typeParameter); + if (node.nameType) { + writeSpace(); + writeKeyword("as"); + writeSpace(); + emit(node.nameType); + } + writePunctuation("]"); + if (node.questionToken) { + emit(node.questionToken); + if (node.questionToken.kind !== 57 /* SyntaxKind.QuestionToken */) { + writePunctuation("?"); + } + } + writePunctuation(":"); + writeSpace(); + emit(node.type); + writeTrailingSemicolon(); + if (emitFlags & 1 /* EmitFlags.SingleLine */) { + writeSpace(); + } + else { + writeLine(); + decreaseIndent(); + } + emitList(node, node.members, 2 /* ListFormat.PreserveLines */); + writePunctuation("}"); + } + function emitLiteralType(node) { + emitExpression(node.literal); + } + function emitTemplateType(node) { + emit(node.head); + emitList(node, node.templateSpans, 262144 /* ListFormat.TemplateExpressionSpans */); + } + function emitImportTypeNode(node) { + if (node.isTypeOf) { + writeKeyword("typeof"); + writeSpace(); + } + writeKeyword("import"); + writePunctuation("("); + emit(node.argument); + if (node.assertions) { + writePunctuation(","); + writeSpace(); + writePunctuation("{"); + writeSpace(); + writeKeyword("assert"); + writePunctuation(":"); + writeSpace(); + var elements = node.assertions.assertClause.elements; + emitList(node.assertions.assertClause, elements, 526226 /* ListFormat.ImportClauseEntries */); + writeSpace(); + writePunctuation("}"); + } + writePunctuation(")"); + if (node.qualifier) { + writePunctuation("."); + emit(node.qualifier); + } + emitTypeArguments(node, node.typeArguments); + } + // + // Binding patterns + // + function emitObjectBindingPattern(node) { + writePunctuation("{"); + emitList(node, node.elements, 525136 /* ListFormat.ObjectBindingPatternElements */); + writePunctuation("}"); + } + function emitArrayBindingPattern(node) { + writePunctuation("["); + emitList(node, node.elements, 524880 /* ListFormat.ArrayBindingPatternElements */); + writePunctuation("]"); + } + function emitBindingElement(node) { + emit(node.dotDotDotToken); + if (node.propertyName) { + emit(node.propertyName); + writePunctuation(":"); + writeSpace(); + } + emit(node.name); + emitInitializer(node.initializer, node.name.end, node, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + // + // Expressions + // + function emitArrayLiteralExpression(node) { + var elements = node.elements; + var preferNewLine = node.multiLine ? 65536 /* ListFormat.PreferNewLine */ : 0 /* ListFormat.None */; + emitExpressionList(node, elements, 8914 /* ListFormat.ArrayLiteralExpressionElements */ | preferNewLine, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitObjectLiteralExpression(node) { + ts.forEach(node.properties, generateMemberNames); + var indentedFlag = ts.getEmitFlags(node) & 65536 /* EmitFlags.Indented */; + if (indentedFlag) { + increaseIndent(); + } + var preferNewLine = node.multiLine ? 65536 /* ListFormat.PreferNewLine */ : 0 /* ListFormat.None */; + var allowTrailingComma = currentSourceFile && currentSourceFile.languageVersion >= 1 /* ScriptTarget.ES5 */ && !ts.isJsonSourceFile(currentSourceFile) ? 64 /* ListFormat.AllowTrailingComma */ : 0 /* ListFormat.None */; + emitList(node, node.properties, 526226 /* ListFormat.ObjectLiteralExpressionProperties */ | allowTrailingComma | preferNewLine); + if (indentedFlag) { + decreaseIndent(); + } + } + function emitPropertyAccessExpression(node) { + emitExpression(node.expression, parenthesizer.parenthesizeLeftSideOfAccess); + var token = node.questionDotToken || ts.setTextRangePosEnd(ts.factory.createToken(24 /* SyntaxKind.DotToken */), node.expression.end, node.name.pos); + var linesBeforeDot = getLinesBetweenNodes(node, node.expression, token); + var linesAfterDot = getLinesBetweenNodes(node, token, node.name); + writeLinesAndIndent(linesBeforeDot, /*writeSpaceIfNotIndenting*/ false); + var shouldEmitDotDot = token.kind !== 28 /* SyntaxKind.QuestionDotToken */ && + mayNeedDotDotForPropertyAccess(node.expression) && + !writer.hasTrailingComment() && + !writer.hasTrailingWhitespace(); + if (shouldEmitDotDot) { + writePunctuation("."); + } + if (node.questionDotToken) { + emit(token); + } + else { + emitTokenWithComment(token.kind, node.expression.end, writePunctuation, node); + } + writeLinesAndIndent(linesAfterDot, /*writeSpaceIfNotIndenting*/ false); + emit(node.name); + decreaseIndentIf(linesBeforeDot, linesAfterDot); + } + // 1..toString is a valid property access, emit a dot after the literal + // Also emit a dot if expression is a integer const enum value - it will appear in generated code as numeric literal + function mayNeedDotDotForPropertyAccess(expression) { + expression = ts.skipPartiallyEmittedExpressions(expression); + if (ts.isNumericLiteral(expression)) { + // check if numeric literal is a decimal literal that was originally written with a dot + var text = getLiteralTextOfNode(expression, /*neverAsciiEscape*/ true, /*jsxAttributeEscape*/ false); + // If he number will be printed verbatim and it doesn't already contain a dot, add one + // if the expression doesn't have any comments that will be emitted. + return !expression.numericLiteralFlags && !ts.stringContains(text, ts.tokenToString(24 /* SyntaxKind.DotToken */)); + } + else if (ts.isAccessExpression(expression)) { + // check if constant enum value is integer + var constantValue = ts.getConstantValue(expression); + // isFinite handles cases when constantValue is undefined + return typeof constantValue === "number" && isFinite(constantValue) + && Math.floor(constantValue) === constantValue; + } + } + function emitElementAccessExpression(node) { + emitExpression(node.expression, parenthesizer.parenthesizeLeftSideOfAccess); + emit(node.questionDotToken); + emitTokenWithComment(22 /* SyntaxKind.OpenBracketToken */, node.expression.end, writePunctuation, node); + emitExpression(node.argumentExpression); + emitTokenWithComment(23 /* SyntaxKind.CloseBracketToken */, node.argumentExpression.end, writePunctuation, node); + } + function emitCallExpression(node) { + var indirectCall = ts.getEmitFlags(node) & 536870912 /* EmitFlags.IndirectCall */; + if (indirectCall) { + writePunctuation("("); + writeLiteral("0"); + writePunctuation(","); + writeSpace(); + } + emitExpression(node.expression, parenthesizer.parenthesizeLeftSideOfAccess); + if (indirectCall) { + writePunctuation(")"); + } + emit(node.questionDotToken); + emitTypeArguments(node, node.typeArguments); + emitExpressionList(node, node.arguments, 2576 /* ListFormat.CallExpressionArguments */, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitNewExpression(node) { + emitTokenWithComment(103 /* SyntaxKind.NewKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitExpression(node.expression, parenthesizer.parenthesizeExpressionOfNew); + emitTypeArguments(node, node.typeArguments); + emitExpressionList(node, node.arguments, 18960 /* ListFormat.NewExpressionArguments */, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitTaggedTemplateExpression(node) { + var indirectCall = ts.getEmitFlags(node) & 536870912 /* EmitFlags.IndirectCall */; + if (indirectCall) { + writePunctuation("("); + writeLiteral("0"); + writePunctuation(","); + writeSpace(); + } + emitExpression(node.tag, parenthesizer.parenthesizeLeftSideOfAccess); + if (indirectCall) { + writePunctuation(")"); + } + emitTypeArguments(node, node.typeArguments); + writeSpace(); + emitExpression(node.template); + } + function emitTypeAssertionExpression(node) { + writePunctuation("<"); + emit(node.type); + writePunctuation(">"); + emitExpression(node.expression, parenthesizer.parenthesizeOperandOfPrefixUnary); + } + function emitParenthesizedExpression(node) { + var openParenPos = emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, node.pos, writePunctuation, node); + var indented = writeLineSeparatorsAndIndentBefore(node.expression, node); + emitExpression(node.expression, /*parenthesizerRules*/ undefined); + writeLineSeparatorsAfter(node.expression, node); + decreaseIndentIf(indented); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression ? node.expression.end : openParenPos, writePunctuation, node); + } + function emitFunctionExpression(node) { + generateNameIfNeeded(node.name); + emitFunctionDeclarationOrExpression(node); + } + function emitArrowFunction(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitSignatureAndBody(node, emitArrowFunctionHead); + } + function emitArrowFunctionHead(node) { + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + emitTypeAnnotation(node.type); + writeSpace(); + emit(node.equalsGreaterThanToken); + } + function emitDeleteExpression(node) { + emitTokenWithComment(89 /* SyntaxKind.DeleteKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitExpression(node.expression, parenthesizer.parenthesizeOperandOfPrefixUnary); + } + function emitTypeOfExpression(node) { + emitTokenWithComment(112 /* SyntaxKind.TypeOfKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitExpression(node.expression, parenthesizer.parenthesizeOperandOfPrefixUnary); + } + function emitVoidExpression(node) { + emitTokenWithComment(114 /* SyntaxKind.VoidKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitExpression(node.expression, parenthesizer.parenthesizeOperandOfPrefixUnary); + } + function emitAwaitExpression(node) { + emitTokenWithComment(132 /* SyntaxKind.AwaitKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitExpression(node.expression, parenthesizer.parenthesizeOperandOfPrefixUnary); + } + function emitPrefixUnaryExpression(node) { + writeTokenText(node.operator, writeOperator); + if (shouldEmitWhitespaceBeforeOperand(node)) { + writeSpace(); + } + emitExpression(node.operand, parenthesizer.parenthesizeOperandOfPrefixUnary); + } + function shouldEmitWhitespaceBeforeOperand(node) { + // In some cases, we need to emit a space between the operator and the operand. One obvious case + // is when the operator is an identifier, like delete or typeof. We also need to do this for plus + // and minus expressions in certain cases. Specifically, consider the following two cases (parens + // are just for clarity of exposition, and not part of the source code): + // + // (+(+1)) + // (+(++1)) + // + // We need to emit a space in both cases. In the first case, the absence of a space will make + // the resulting expression a prefix increment operation. And in the second, it will make the resulting + // expression a prefix increment whose operand is a plus expression - (++(+x)) + // The same is true of minus of course. + var operand = node.operand; + return operand.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ + && ((node.operator === 39 /* SyntaxKind.PlusToken */ && (operand.operator === 39 /* SyntaxKind.PlusToken */ || operand.operator === 45 /* SyntaxKind.PlusPlusToken */)) + || (node.operator === 40 /* SyntaxKind.MinusToken */ && (operand.operator === 40 /* SyntaxKind.MinusToken */ || operand.operator === 46 /* SyntaxKind.MinusMinusToken */))); + } + function emitPostfixUnaryExpression(node) { + emitExpression(node.operand, parenthesizer.parenthesizeOperandOfPostfixUnary); + writeTokenText(node.operator, writeOperator); + } + function createEmitBinaryExpression() { + return ts.createBinaryExpressionTrampoline(onEnter, onLeft, onOperator, onRight, onExit, /*foldState*/ undefined); + function onEnter(node, state) { + if (state) { + state.stackIndex++; + state.preserveSourceNewlinesStack[state.stackIndex] = preserveSourceNewlines; + state.containerPosStack[state.stackIndex] = containerPos; + state.containerEndStack[state.stackIndex] = containerEnd; + state.declarationListContainerEndStack[state.stackIndex] = declarationListContainerEnd; + var emitComments_1 = state.shouldEmitCommentsStack[state.stackIndex] = shouldEmitComments(node); + var emitSourceMaps = state.shouldEmitSourceMapsStack[state.stackIndex] = shouldEmitSourceMaps(node); + onBeforeEmitNode === null || onBeforeEmitNode === void 0 ? void 0 : onBeforeEmitNode(node); + if (emitComments_1) + emitCommentsBeforeNode(node); + if (emitSourceMaps) + emitSourceMapsBeforeNode(node); + beforeEmitNode(node); + } + else { + state = { + stackIndex: 0, + preserveSourceNewlinesStack: [undefined], + containerPosStack: [-1], + containerEndStack: [-1], + declarationListContainerEndStack: [-1], + shouldEmitCommentsStack: [false], + shouldEmitSourceMapsStack: [false], + }; + } + return state; + } + function onLeft(next, _workArea, parent) { + return maybeEmitExpression(next, parent, "left"); + } + function onOperator(operatorToken, _state, node) { + var isCommaOperator = operatorToken.kind !== 27 /* SyntaxKind.CommaToken */; + var linesBeforeOperator = getLinesBetweenNodes(node, node.left, operatorToken); + var linesAfterOperator = getLinesBetweenNodes(node, operatorToken, node.right); + writeLinesAndIndent(linesBeforeOperator, isCommaOperator); + emitLeadingCommentsOfPosition(operatorToken.pos); + writeTokenNode(operatorToken, operatorToken.kind === 101 /* SyntaxKind.InKeyword */ ? writeKeyword : writeOperator); + emitTrailingCommentsOfPosition(operatorToken.end, /*prefixSpace*/ true); // Binary operators should have a space before the comment starts + writeLinesAndIndent(linesAfterOperator, /*writeSpaceIfNotIndenting*/ true); + } + function onRight(next, _workArea, parent) { + return maybeEmitExpression(next, parent, "right"); + } + function onExit(node, state) { + var linesBeforeOperator = getLinesBetweenNodes(node, node.left, node.operatorToken); + var linesAfterOperator = getLinesBetweenNodes(node, node.operatorToken, node.right); + decreaseIndentIf(linesBeforeOperator, linesAfterOperator); + if (state.stackIndex > 0) { + var savedPreserveSourceNewlines = state.preserveSourceNewlinesStack[state.stackIndex]; + var savedContainerPos = state.containerPosStack[state.stackIndex]; + var savedContainerEnd = state.containerEndStack[state.stackIndex]; + var savedDeclarationListContainerEnd = state.declarationListContainerEndStack[state.stackIndex]; + var shouldEmitComments_1 = state.shouldEmitCommentsStack[state.stackIndex]; + var shouldEmitSourceMaps_1 = state.shouldEmitSourceMapsStack[state.stackIndex]; + afterEmitNode(savedPreserveSourceNewlines); + if (shouldEmitSourceMaps_1) + emitSourceMapsAfterNode(node); + if (shouldEmitComments_1) + emitCommentsAfterNode(node, savedContainerPos, savedContainerEnd, savedDeclarationListContainerEnd); + onAfterEmitNode === null || onAfterEmitNode === void 0 ? void 0 : onAfterEmitNode(node); + state.stackIndex--; + } + } + function maybeEmitExpression(next, parent, side) { + var parenthesizerRule = side === "left" ? + parenthesizer.getParenthesizeLeftSideOfBinaryForOperator(parent.operatorToken.kind) : + parenthesizer.getParenthesizeRightSideOfBinaryForOperator(parent.operatorToken.kind); + var pipelinePhase = getPipelinePhase(0 /* PipelinePhase.Notification */, 1 /* EmitHint.Expression */, next); + if (pipelinePhase === pipelineEmitWithSubstitution) { + ts.Debug.assertIsDefined(lastSubstitution); + next = parenthesizerRule(ts.cast(lastSubstitution, ts.isExpression)); + pipelinePhase = getNextPipelinePhase(1 /* PipelinePhase.Substitution */, 1 /* EmitHint.Expression */, next); + lastSubstitution = undefined; + } + if (pipelinePhase === pipelineEmitWithComments || + pipelinePhase === pipelineEmitWithSourceMaps || + pipelinePhase === pipelineEmitWithHint) { + if (ts.isBinaryExpression(next)) { + return next; + } + } + currentParenthesizerRule = parenthesizerRule; + pipelinePhase(1 /* EmitHint.Expression */, next); + } + } + function emitConditionalExpression(node) { + var linesBeforeQuestion = getLinesBetweenNodes(node, node.condition, node.questionToken); + var linesAfterQuestion = getLinesBetweenNodes(node, node.questionToken, node.whenTrue); + var linesBeforeColon = getLinesBetweenNodes(node, node.whenTrue, node.colonToken); + var linesAfterColon = getLinesBetweenNodes(node, node.colonToken, node.whenFalse); + emitExpression(node.condition, parenthesizer.parenthesizeConditionOfConditionalExpression); + writeLinesAndIndent(linesBeforeQuestion, /*writeSpaceIfNotIndenting*/ true); + emit(node.questionToken); + writeLinesAndIndent(linesAfterQuestion, /*writeSpaceIfNotIndenting*/ true); + emitExpression(node.whenTrue, parenthesizer.parenthesizeBranchOfConditionalExpression); + decreaseIndentIf(linesBeforeQuestion, linesAfterQuestion); + writeLinesAndIndent(linesBeforeColon, /*writeSpaceIfNotIndenting*/ true); + emit(node.colonToken); + writeLinesAndIndent(linesAfterColon, /*writeSpaceIfNotIndenting*/ true); + emitExpression(node.whenFalse, parenthesizer.parenthesizeBranchOfConditionalExpression); + decreaseIndentIf(linesBeforeColon, linesAfterColon); + } + function emitTemplateExpression(node) { + emit(node.head); + emitList(node, node.templateSpans, 262144 /* ListFormat.TemplateExpressionSpans */); + } + function emitYieldExpression(node) { + emitTokenWithComment(125 /* SyntaxKind.YieldKeyword */, node.pos, writeKeyword, node); + emit(node.asteriskToken); + emitExpressionWithLeadingSpace(node.expression && parenthesizeExpressionForNoAsi(node.expression), parenthesizeExpressionForNoAsiAndDisallowedComma); + } + function emitSpreadElement(node) { + emitTokenWithComment(25 /* SyntaxKind.DotDotDotToken */, node.pos, writePunctuation, node); + emitExpression(node.expression, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitClassExpression(node) { + generateNameIfNeeded(node.name); + emitClassDeclarationOrExpression(node); + } + function emitExpressionWithTypeArguments(node) { + emitExpression(node.expression, parenthesizer.parenthesizeLeftSideOfAccess); + emitTypeArguments(node, node.typeArguments); + } + function emitAsExpression(node) { + emitExpression(node.expression, /*parenthesizerRules*/ undefined); + if (node.type) { + writeSpace(); + writeKeyword("as"); + writeSpace(); + emit(node.type); + } + } + function emitNonNullExpression(node) { + emitExpression(node.expression, parenthesizer.parenthesizeLeftSideOfAccess); + writeOperator("!"); + } + function emitMetaProperty(node) { + writeToken(node.keywordToken, node.pos, writePunctuation); + writePunctuation("."); + emit(node.name); + } + // + // Misc + // + function emitTemplateSpan(node) { + emitExpression(node.expression); + emit(node.literal); + } + // + // Statements + // + function emitBlock(node) { + emitBlockStatements(node, /*forceSingleLine*/ !node.multiLine && isEmptyBlock(node)); + } + function emitBlockStatements(node, forceSingleLine) { + emitTokenWithComment(18 /* SyntaxKind.OpenBraceToken */, node.pos, writePunctuation, /*contextNode*/ node); + var format = forceSingleLine || ts.getEmitFlags(node) & 1 /* EmitFlags.SingleLine */ ? 768 /* ListFormat.SingleLineBlockStatements */ : 129 /* ListFormat.MultiLineBlockStatements */; + emitList(node, node.statements, format); + emitTokenWithComment(19 /* SyntaxKind.CloseBraceToken */, node.statements.end, writePunctuation, /*contextNode*/ node, /*indentLeading*/ !!(format & 1 /* ListFormat.MultiLine */)); + } + function emitVariableStatement(node) { + emitModifiers(node, node.modifiers); + emit(node.declarationList); + writeTrailingSemicolon(); + } + function emitEmptyStatement(isEmbeddedStatement) { + // While most trailing semicolons are possibly insignificant, an embedded "empty" + // statement is significant and cannot be elided by a trailing-semicolon-omitting writer. + if (isEmbeddedStatement) { + writePunctuation(";"); + } + else { + writeTrailingSemicolon(); + } + } + function emitExpressionStatement(node) { + emitExpression(node.expression, parenthesizer.parenthesizeExpressionOfExpressionStatement); + // Emit semicolon in non json files + // or if json file that created synthesized expression(eg.define expression statement when --out and amd code generation) + if (!currentSourceFile || !ts.isJsonSourceFile(currentSourceFile) || ts.nodeIsSynthesized(node.expression)) { + writeTrailingSemicolon(); + } + } + function emitIfStatement(node) { + var openParenPos = emitTokenWithComment(99 /* SyntaxKind.IfKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emitExpression(node.expression); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression.end, writePunctuation, node); + emitEmbeddedStatement(node, node.thenStatement); + if (node.elseStatement) { + writeLineOrSpace(node, node.thenStatement, node.elseStatement); + emitTokenWithComment(91 /* SyntaxKind.ElseKeyword */, node.thenStatement.end, writeKeyword, node); + if (node.elseStatement.kind === 239 /* SyntaxKind.IfStatement */) { + writeSpace(); + emit(node.elseStatement); + } + else { + emitEmbeddedStatement(node, node.elseStatement); + } + } + } + function emitWhileClause(node, startPos) { + var openParenPos = emitTokenWithComment(115 /* SyntaxKind.WhileKeyword */, startPos, writeKeyword, node); + writeSpace(); + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emitExpression(node.expression); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression.end, writePunctuation, node); + } + function emitDoStatement(node) { + emitTokenWithComment(90 /* SyntaxKind.DoKeyword */, node.pos, writeKeyword, node); + emitEmbeddedStatement(node, node.statement); + if (ts.isBlock(node.statement) && !preserveSourceNewlines) { + writeSpace(); + } + else { + writeLineOrSpace(node, node.statement, node.expression); + } + emitWhileClause(node, node.statement.end); + writeTrailingSemicolon(); + } + function emitWhileStatement(node) { + emitWhileClause(node, node.pos); + emitEmbeddedStatement(node, node.statement); + } + function emitForStatement(node) { + var openParenPos = emitTokenWithComment(97 /* SyntaxKind.ForKeyword */, node.pos, writeKeyword, node); + writeSpace(); + var pos = emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, /*contextNode*/ node); + emitForBinding(node.initializer); + pos = emitTokenWithComment(26 /* SyntaxKind.SemicolonToken */, node.initializer ? node.initializer.end : pos, writePunctuation, node); + emitExpressionWithLeadingSpace(node.condition); + pos = emitTokenWithComment(26 /* SyntaxKind.SemicolonToken */, node.condition ? node.condition.end : pos, writePunctuation, node); + emitExpressionWithLeadingSpace(node.incrementor); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.incrementor ? node.incrementor.end : pos, writePunctuation, node); + emitEmbeddedStatement(node, node.statement); + } + function emitForInStatement(node) { + var openParenPos = emitTokenWithComment(97 /* SyntaxKind.ForKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emitForBinding(node.initializer); + writeSpace(); + emitTokenWithComment(101 /* SyntaxKind.InKeyword */, node.initializer.end, writeKeyword, node); + writeSpace(); + emitExpression(node.expression); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression.end, writePunctuation, node); + emitEmbeddedStatement(node, node.statement); + } + function emitForOfStatement(node) { + var openParenPos = emitTokenWithComment(97 /* SyntaxKind.ForKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitWithTrailingSpace(node.awaitModifier); + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emitForBinding(node.initializer); + writeSpace(); + emitTokenWithComment(160 /* SyntaxKind.OfKeyword */, node.initializer.end, writeKeyword, node); + writeSpace(); + emitExpression(node.expression); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression.end, writePunctuation, node); + emitEmbeddedStatement(node, node.statement); + } + function emitForBinding(node) { + if (node !== undefined) { + if (node.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + emit(node); + } + else { + emitExpression(node); + } + } + } + function emitContinueStatement(node) { + emitTokenWithComment(86 /* SyntaxKind.ContinueKeyword */, node.pos, writeKeyword, node); + emitWithLeadingSpace(node.label); + writeTrailingSemicolon(); + } + function emitBreakStatement(node) { + emitTokenWithComment(81 /* SyntaxKind.BreakKeyword */, node.pos, writeKeyword, node); + emitWithLeadingSpace(node.label); + writeTrailingSemicolon(); + } + function emitTokenWithComment(token, pos, writer, contextNode, indentLeading) { + var node = ts.getParseTreeNode(contextNode); + var isSimilarNode = node && node.kind === contextNode.kind; + var startPos = pos; + if (isSimilarNode && currentSourceFile) { + pos = ts.skipTrivia(currentSourceFile.text, pos); + } + if (isSimilarNode && contextNode.pos !== startPos) { + var needsIndent = indentLeading && currentSourceFile && !ts.positionsAreOnSameLine(startPos, pos, currentSourceFile); + if (needsIndent) { + increaseIndent(); + } + emitLeadingCommentsOfPosition(startPos); + if (needsIndent) { + decreaseIndent(); + } + } + pos = writeTokenText(token, writer, pos); + if (isSimilarNode && contextNode.end !== pos) { + var isJsxExprContext = contextNode.kind === 288 /* SyntaxKind.JsxExpression */; + emitTrailingCommentsOfPosition(pos, /*prefixSpace*/ !isJsxExprContext, /*forceNoNewline*/ isJsxExprContext); + } + return pos; + } + function commentWillEmitNewLine(node) { + return node.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */ || !!node.hasTrailingNewLine; + } + function willEmitLeadingNewLine(node) { + if (!currentSourceFile) + return false; + if (ts.some(ts.getLeadingCommentRanges(currentSourceFile.text, node.pos), commentWillEmitNewLine)) + return true; + if (ts.some(ts.getSyntheticLeadingComments(node), commentWillEmitNewLine)) + return true; + if (ts.isPartiallyEmittedExpression(node)) { + if (node.pos !== node.expression.pos) { + if (ts.some(ts.getTrailingCommentRanges(currentSourceFile.text, node.expression.pos), commentWillEmitNewLine)) + return true; + } + return willEmitLeadingNewLine(node.expression); + } + return false; + } + /** + * Wraps an expression in parens if we would emit a leading comment that would introduce a line separator + * between the node and its parent. + */ + function parenthesizeExpressionForNoAsi(node) { + if (!commentsDisabled && ts.isPartiallyEmittedExpression(node) && willEmitLeadingNewLine(node)) { + var parseNode = ts.getParseTreeNode(node); + if (parseNode && ts.isParenthesizedExpression(parseNode)) { + // If the original node was a parenthesized expression, restore it to preserve comment and source map emit + var parens = ts.factory.createParenthesizedExpression(node.expression); + ts.setOriginalNode(parens, node); + ts.setTextRange(parens, parseNode); + return parens; + } + return ts.factory.createParenthesizedExpression(node); + } + return node; + } + function parenthesizeExpressionForNoAsiAndDisallowedComma(node) { + return parenthesizeExpressionForNoAsi(parenthesizer.parenthesizeExpressionForDisallowedComma(node)); + } + function emitReturnStatement(node) { + emitTokenWithComment(105 /* SyntaxKind.ReturnKeyword */, node.pos, writeKeyword, /*contextNode*/ node); + emitExpressionWithLeadingSpace(node.expression && parenthesizeExpressionForNoAsi(node.expression), parenthesizeExpressionForNoAsi); + writeTrailingSemicolon(); + } + function emitWithStatement(node) { + var openParenPos = emitTokenWithComment(116 /* SyntaxKind.WithKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emitExpression(node.expression); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression.end, writePunctuation, node); + emitEmbeddedStatement(node, node.statement); + } + function emitSwitchStatement(node) { + var openParenPos = emitTokenWithComment(107 /* SyntaxKind.SwitchKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emitExpression(node.expression); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.expression.end, writePunctuation, node); + writeSpace(); + emit(node.caseBlock); + } + function emitLabeledStatement(node) { + emit(node.label); + emitTokenWithComment(58 /* SyntaxKind.ColonToken */, node.label.end, writePunctuation, node); + writeSpace(); + emit(node.statement); + } + function emitThrowStatement(node) { + emitTokenWithComment(109 /* SyntaxKind.ThrowKeyword */, node.pos, writeKeyword, node); + emitExpressionWithLeadingSpace(parenthesizeExpressionForNoAsi(node.expression), parenthesizeExpressionForNoAsi); + writeTrailingSemicolon(); + } + function emitTryStatement(node) { + emitTokenWithComment(111 /* SyntaxKind.TryKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emit(node.tryBlock); + if (node.catchClause) { + writeLineOrSpace(node, node.tryBlock, node.catchClause); + emit(node.catchClause); + } + if (node.finallyBlock) { + writeLineOrSpace(node, node.catchClause || node.tryBlock, node.finallyBlock); + emitTokenWithComment(96 /* SyntaxKind.FinallyKeyword */, (node.catchClause || node.tryBlock).end, writeKeyword, node); + writeSpace(); + emit(node.finallyBlock); + } + } + function emitDebuggerStatement(node) { + writeToken(87 /* SyntaxKind.DebuggerKeyword */, node.pos, writeKeyword); + writeTrailingSemicolon(); + } + // + // Declarations + // + function emitVariableDeclaration(node) { + var _a, _b, _c, _d, _e; + emit(node.name); + emit(node.exclamationToken); + emitTypeAnnotation(node.type); + emitInitializer(node.initializer, (_e = (_b = (_a = node.type) === null || _a === void 0 ? void 0 : _a.end) !== null && _b !== void 0 ? _b : (_d = (_c = node.name.emitNode) === null || _c === void 0 ? void 0 : _c.typeNode) === null || _d === void 0 ? void 0 : _d.end) !== null && _e !== void 0 ? _e : node.name.end, node, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitVariableDeclarationList(node) { + writeKeyword(ts.isLet(node) ? "let" : ts.isVarConst(node) ? "const" : "var"); + writeSpace(); + emitList(node, node.declarations, 528 /* ListFormat.VariableDeclarationList */); + } + function emitFunctionDeclaration(node) { + emitFunctionDeclarationOrExpression(node); + } + function emitFunctionDeclarationOrExpression(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword("function"); + emit(node.asteriskToken); + writeSpace(); + emitIdentifierName(node.name); + emitSignatureAndBody(node, emitSignatureHead); + } + function emitSignatureAndBody(node, emitSignatureHead) { + var body = node.body; + if (body) { + if (ts.isBlock(body)) { + var indentedFlag = ts.getEmitFlags(node) & 65536 /* EmitFlags.Indented */; + if (indentedFlag) { + increaseIndent(); + } + pushNameGenerationScope(node); + ts.forEach(node.parameters, generateNames); + generateNames(node.body); + emitSignatureHead(node); + emitBlockFunctionBody(body); + popNameGenerationScope(node); + if (indentedFlag) { + decreaseIndent(); + } + } + else { + emitSignatureHead(node); + writeSpace(); + emitExpression(body, parenthesizer.parenthesizeConciseBodyOfArrowFunction); + } + } + else { + emitSignatureHead(node); + writeTrailingSemicolon(); + } + } + function emitSignatureHead(node) { + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitTypeAnnotation(node.type); + } + function shouldEmitBlockFunctionBodyOnSingleLine(body) { + // We must emit a function body as a single-line body in the following case: + // * The body has NodeEmitFlags.SingleLine specified. + // We must emit a function body as a multi-line body in the following cases: + // * The body is explicitly marked as multi-line. + // * A non-synthesized body's start and end position are on different lines. + // * Any statement in the body starts on a new line. + if (ts.getEmitFlags(body) & 1 /* EmitFlags.SingleLine */) { + return true; + } + if (body.multiLine) { + return false; + } + if (!ts.nodeIsSynthesized(body) && currentSourceFile && !ts.rangeIsOnSingleLine(body, currentSourceFile)) { + return false; + } + if (getLeadingLineTerminatorCount(body, body.statements, 2 /* ListFormat.PreserveLines */) + || getClosingLineTerminatorCount(body, body.statements, 2 /* ListFormat.PreserveLines */)) { + return false; + } + var previousStatement; + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + if (getSeparatingLineTerminatorCount(previousStatement, statement, 2 /* ListFormat.PreserveLines */) > 0) { + return false; + } + previousStatement = statement; + } + return true; + } + function emitBlockFunctionBody(body) { + onBeforeEmitNode === null || onBeforeEmitNode === void 0 ? void 0 : onBeforeEmitNode(body); + writeSpace(); + writePunctuation("{"); + increaseIndent(); + var emitBlockFunctionBody = shouldEmitBlockFunctionBodyOnSingleLine(body) + ? emitBlockFunctionBodyOnSingleLine + : emitBlockFunctionBodyWorker; + emitBodyWithDetachedComments(body, body.statements, emitBlockFunctionBody); + decreaseIndent(); + writeToken(19 /* SyntaxKind.CloseBraceToken */, body.statements.end, writePunctuation, body); + onAfterEmitNode === null || onAfterEmitNode === void 0 ? void 0 : onAfterEmitNode(body); + } + function emitBlockFunctionBodyOnSingleLine(body) { + emitBlockFunctionBodyWorker(body, /*emitBlockFunctionBodyOnSingleLine*/ true); + } + function emitBlockFunctionBodyWorker(body, emitBlockFunctionBodyOnSingleLine) { + // Emit all the prologue directives (like "use strict"). + var statementOffset = emitPrologueDirectives(body.statements); + var pos = writer.getTextPos(); + emitHelpers(body); + if (statementOffset === 0 && pos === writer.getTextPos() && emitBlockFunctionBodyOnSingleLine) { + decreaseIndent(); + emitList(body, body.statements, 768 /* ListFormat.SingleLineFunctionBodyStatements */); + increaseIndent(); + } + else { + emitList(body, body.statements, 1 /* ListFormat.MultiLineFunctionBodyStatements */, /*parenthesizerRule*/ undefined, statementOffset); + } + } + function emitClassDeclaration(node) { + emitClassDeclarationOrExpression(node); + } + function emitClassDeclarationOrExpression(node) { + ts.forEach(node.members, generateMemberNames); + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword("class"); + if (node.name) { + writeSpace(); + emitIdentifierName(node.name); + } + var indentedFlag = ts.getEmitFlags(node) & 65536 /* EmitFlags.Indented */; + if (indentedFlag) { + increaseIndent(); + } + emitTypeParameters(node, node.typeParameters); + emitList(node, node.heritageClauses, 0 /* ListFormat.ClassHeritageClauses */); + writeSpace(); + writePunctuation("{"); + emitList(node, node.members, 129 /* ListFormat.ClassMembers */); + writePunctuation("}"); + if (indentedFlag) { + decreaseIndent(); + } + } + function emitInterfaceDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword("interface"); + writeSpace(); + emit(node.name); + emitTypeParameters(node, node.typeParameters); + emitList(node, node.heritageClauses, 512 /* ListFormat.HeritageClauses */); + writeSpace(); + writePunctuation("{"); + emitList(node, node.members, 129 /* ListFormat.InterfaceMembers */); + writePunctuation("}"); + } + function emitTypeAliasDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeKeyword("type"); + writeSpace(); + emit(node.name); + emitTypeParameters(node, node.typeParameters); + writeSpace(); + writePunctuation("="); + writeSpace(); + emit(node.type); + writeTrailingSemicolon(); + } + function emitEnumDeclaration(node) { + emitModifiers(node, node.modifiers); + writeKeyword("enum"); + writeSpace(); + emit(node.name); + writeSpace(); + writePunctuation("{"); + emitList(node, node.members, 145 /* ListFormat.EnumMembers */); + writePunctuation("}"); + } + function emitModuleDeclaration(node) { + emitModifiers(node, node.modifiers); + if (~node.flags & 1024 /* NodeFlags.GlobalAugmentation */) { + writeKeyword(node.flags & 16 /* NodeFlags.Namespace */ ? "namespace" : "module"); + writeSpace(); + } + emit(node.name); + var body = node.body; + if (!body) + return writeTrailingSemicolon(); + while (body && ts.isModuleDeclaration(body)) { + writePunctuation("."); + emit(body.name); + body = body.body; + } + writeSpace(); + emit(body); + } + function emitModuleBlock(node) { + pushNameGenerationScope(node); + ts.forEach(node.statements, generateNames); + emitBlockStatements(node, /*forceSingleLine*/ isEmptyBlock(node)); + popNameGenerationScope(node); + } + function emitCaseBlock(node) { + emitTokenWithComment(18 /* SyntaxKind.OpenBraceToken */, node.pos, writePunctuation, node); + emitList(node, node.clauses, 129 /* ListFormat.CaseBlockClauses */); + emitTokenWithComment(19 /* SyntaxKind.CloseBraceToken */, node.clauses.end, writePunctuation, node, /*indentLeading*/ true); + } + function emitImportEqualsDeclaration(node) { + emitModifiers(node, node.modifiers); + emitTokenWithComment(100 /* SyntaxKind.ImportKeyword */, node.modifiers ? node.modifiers.end : node.pos, writeKeyword, node); + writeSpace(); + if (node.isTypeOnly) { + emitTokenWithComment(152 /* SyntaxKind.TypeKeyword */, node.pos, writeKeyword, node); + writeSpace(); + } + emit(node.name); + writeSpace(); + emitTokenWithComment(63 /* SyntaxKind.EqualsToken */, node.name.end, writePunctuation, node); + writeSpace(); + emitModuleReference(node.moduleReference); + writeTrailingSemicolon(); + } + function emitModuleReference(node) { + if (node.kind === 79 /* SyntaxKind.Identifier */) { + emitExpression(node); + } + else { + emit(node); + } + } + function emitImportDeclaration(node) { + emitModifiers(node, node.modifiers); + emitTokenWithComment(100 /* SyntaxKind.ImportKeyword */, node.modifiers ? node.modifiers.end : node.pos, writeKeyword, node); + writeSpace(); + if (node.importClause) { + emit(node.importClause); + writeSpace(); + emitTokenWithComment(156 /* SyntaxKind.FromKeyword */, node.importClause.end, writeKeyword, node); + writeSpace(); + } + emitExpression(node.moduleSpecifier); + if (node.assertClause) { + emitWithLeadingSpace(node.assertClause); + } + writeTrailingSemicolon(); + } + function emitImportClause(node) { + if (node.isTypeOnly) { + emitTokenWithComment(152 /* SyntaxKind.TypeKeyword */, node.pos, writeKeyword, node); + writeSpace(); + } + emit(node.name); + if (node.name && node.namedBindings) { + emitTokenWithComment(27 /* SyntaxKind.CommaToken */, node.name.end, writePunctuation, node); + writeSpace(); + } + emit(node.namedBindings); + } + function emitNamespaceImport(node) { + var asPos = emitTokenWithComment(41 /* SyntaxKind.AsteriskToken */, node.pos, writePunctuation, node); + writeSpace(); + emitTokenWithComment(127 /* SyntaxKind.AsKeyword */, asPos, writeKeyword, node); + writeSpace(); + emit(node.name); + } + function emitNamedImports(node) { + emitNamedImportsOrExports(node); + } + function emitImportSpecifier(node) { + emitImportOrExportSpecifier(node); + } + function emitExportAssignment(node) { + var nextPos = emitTokenWithComment(93 /* SyntaxKind.ExportKeyword */, node.pos, writeKeyword, node); + writeSpace(); + if (node.isExportEquals) { + emitTokenWithComment(63 /* SyntaxKind.EqualsToken */, nextPos, writeOperator, node); + } + else { + emitTokenWithComment(88 /* SyntaxKind.DefaultKeyword */, nextPos, writeKeyword, node); + } + writeSpace(); + emitExpression(node.expression, node.isExportEquals ? + parenthesizer.getParenthesizeRightSideOfBinaryForOperator(63 /* SyntaxKind.EqualsToken */) : + parenthesizer.parenthesizeExpressionOfExportDefault); + writeTrailingSemicolon(); + } + function emitExportDeclaration(node) { + var nextPos = emitTokenWithComment(93 /* SyntaxKind.ExportKeyword */, node.pos, writeKeyword, node); + writeSpace(); + if (node.isTypeOnly) { + nextPos = emitTokenWithComment(152 /* SyntaxKind.TypeKeyword */, nextPos, writeKeyword, node); + writeSpace(); + } + if (node.exportClause) { + emit(node.exportClause); + } + else { + nextPos = emitTokenWithComment(41 /* SyntaxKind.AsteriskToken */, nextPos, writePunctuation, node); + } + if (node.moduleSpecifier) { + writeSpace(); + var fromPos = node.exportClause ? node.exportClause.end : nextPos; + emitTokenWithComment(156 /* SyntaxKind.FromKeyword */, fromPos, writeKeyword, node); + writeSpace(); + emitExpression(node.moduleSpecifier); + } + if (node.assertClause) { + emitWithLeadingSpace(node.assertClause); + } + writeTrailingSemicolon(); + } + function emitAssertClause(node) { + emitTokenWithComment(129 /* SyntaxKind.AssertKeyword */, node.pos, writeKeyword, node); + writeSpace(); + var elements = node.elements; + emitList(node, elements, 526226 /* ListFormat.ImportClauseEntries */); + } + function emitAssertEntry(node) { + emit(node.name); + writePunctuation(":"); + writeSpace(); + var value = node.value; + /** @see {emitPropertyAssignment} */ + if ((ts.getEmitFlags(value) & 512 /* EmitFlags.NoLeadingComments */) === 0) { + var commentRange = ts.getCommentRange(value); + emitTrailingCommentsOfPosition(commentRange.pos); + } + emit(value); + } + function emitNamespaceExportDeclaration(node) { + var nextPos = emitTokenWithComment(93 /* SyntaxKind.ExportKeyword */, node.pos, writeKeyword, node); + writeSpace(); + nextPos = emitTokenWithComment(127 /* SyntaxKind.AsKeyword */, nextPos, writeKeyword, node); + writeSpace(); + nextPos = emitTokenWithComment(142 /* SyntaxKind.NamespaceKeyword */, nextPos, writeKeyword, node); + writeSpace(); + emit(node.name); + writeTrailingSemicolon(); + } + function emitNamespaceExport(node) { + var asPos = emitTokenWithComment(41 /* SyntaxKind.AsteriskToken */, node.pos, writePunctuation, node); + writeSpace(); + emitTokenWithComment(127 /* SyntaxKind.AsKeyword */, asPos, writeKeyword, node); + writeSpace(); + emit(node.name); + } + function emitNamedExports(node) { + emitNamedImportsOrExports(node); + } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + } + function emitNamedImportsOrExports(node) { + writePunctuation("{"); + emitList(node, node.elements, 525136 /* ListFormat.NamedImportsOrExportsElements */); + writePunctuation("}"); + } + function emitImportOrExportSpecifier(node) { + if (node.isTypeOnly) { + writeKeyword("type"); + writeSpace(); + } + if (node.propertyName) { + emit(node.propertyName); + writeSpace(); + emitTokenWithComment(127 /* SyntaxKind.AsKeyword */, node.propertyName.end, writeKeyword, node); + writeSpace(); + } + emit(node.name); + } + // + // Module references + // + function emitExternalModuleReference(node) { + writeKeyword("require"); + writePunctuation("("); + emitExpression(node.expression); + writePunctuation(")"); + } + // + // JSX + // + function emitJsxElement(node) { + emit(node.openingElement); + emitList(node, node.children, 262144 /* ListFormat.JsxElementOrFragmentChildren */); + emit(node.closingElement); + } + function emitJsxSelfClosingElement(node) { + writePunctuation("<"); + emitJsxTagName(node.tagName); + emitTypeArguments(node, node.typeArguments); + writeSpace(); + emit(node.attributes); + writePunctuation("/>"); + } + function emitJsxFragment(node) { + emit(node.openingFragment); + emitList(node, node.children, 262144 /* ListFormat.JsxElementOrFragmentChildren */); + emit(node.closingFragment); + } + function emitJsxOpeningElementOrFragment(node) { + writePunctuation("<"); + if (ts.isJsxOpeningElement(node)) { + var indented = writeLineSeparatorsAndIndentBefore(node.tagName, node); + emitJsxTagName(node.tagName); + emitTypeArguments(node, node.typeArguments); + if (node.attributes.properties && node.attributes.properties.length > 0) { + writeSpace(); + } + emit(node.attributes); + writeLineSeparatorsAfter(node.attributes, node); + decreaseIndentIf(indented); + } + writePunctuation(">"); + } + function emitJsxText(node) { + writer.writeLiteral(node.text); + } + function emitJsxClosingElementOrFragment(node) { + writePunctuation(""); + } + function emitJsxAttributes(node) { + emitList(node, node.properties, 262656 /* ListFormat.JsxElementAttributes */); + } + function emitJsxAttribute(node) { + emit(node.name); + emitNodeWithPrefix("=", writePunctuation, node.initializer, emitJsxAttributeValue); + } + function emitJsxSpreadAttribute(node) { + writePunctuation("{..."); + emitExpression(node.expression); + writePunctuation("}"); + } + function hasTrailingCommentsAtPosition(pos) { + var result = false; + ts.forEachTrailingCommentRange((currentSourceFile === null || currentSourceFile === void 0 ? void 0 : currentSourceFile.text) || "", pos + 1, function () { return result = true; }); + return result; + } + function hasLeadingCommentsAtPosition(pos) { + var result = false; + ts.forEachLeadingCommentRange((currentSourceFile === null || currentSourceFile === void 0 ? void 0 : currentSourceFile.text) || "", pos + 1, function () { return result = true; }); + return result; + } + function hasCommentsAtPosition(pos) { + return hasTrailingCommentsAtPosition(pos) || hasLeadingCommentsAtPosition(pos); + } + function emitJsxExpression(node) { + var _a; + if (node.expression || (!commentsDisabled && !ts.nodeIsSynthesized(node) && hasCommentsAtPosition(node.pos))) { // preserve empty expressions if they contain comments! + var isMultiline = currentSourceFile && !ts.nodeIsSynthesized(node) && ts.getLineAndCharacterOfPosition(currentSourceFile, node.pos).line !== ts.getLineAndCharacterOfPosition(currentSourceFile, node.end).line; + if (isMultiline) { + writer.increaseIndent(); + } + var end = emitTokenWithComment(18 /* SyntaxKind.OpenBraceToken */, node.pos, writePunctuation, node); + emit(node.dotDotDotToken); + emitExpression(node.expression); + emitTokenWithComment(19 /* SyntaxKind.CloseBraceToken */, ((_a = node.expression) === null || _a === void 0 ? void 0 : _a.end) || end, writePunctuation, node); + if (isMultiline) { + writer.decreaseIndent(); + } + } + } + function emitJsxTagName(node) { + if (node.kind === 79 /* SyntaxKind.Identifier */) { + emitExpression(node); + } + else { + emit(node); + } + } + // + // Clauses + // + function emitCaseClause(node) { + emitTokenWithComment(82 /* SyntaxKind.CaseKeyword */, node.pos, writeKeyword, node); + writeSpace(); + emitExpression(node.expression, parenthesizer.parenthesizeExpressionForDisallowedComma); + emitCaseOrDefaultClauseRest(node, node.statements, node.expression.end); + } + function emitDefaultClause(node) { + var pos = emitTokenWithComment(88 /* SyntaxKind.DefaultKeyword */, node.pos, writeKeyword, node); + emitCaseOrDefaultClauseRest(node, node.statements, pos); + } + function emitCaseOrDefaultClauseRest(parentNode, statements, colonPos) { + var emitAsSingleStatement = statements.length === 1 && + ( + // treat synthesized nodes as located on the same line for emit purposes + !currentSourceFile || + ts.nodeIsSynthesized(parentNode) || + ts.nodeIsSynthesized(statements[0]) || + ts.rangeStartPositionsAreOnSameLine(parentNode, statements[0], currentSourceFile)); + var format = 163969 /* ListFormat.CaseOrDefaultClauseStatements */; + if (emitAsSingleStatement) { + writeToken(58 /* SyntaxKind.ColonToken */, colonPos, writePunctuation, parentNode); + writeSpace(); + format &= ~(1 /* ListFormat.MultiLine */ | 128 /* ListFormat.Indented */); + } + else { + emitTokenWithComment(58 /* SyntaxKind.ColonToken */, colonPos, writePunctuation, parentNode); + } + emitList(parentNode, statements, format); + } + function emitHeritageClause(node) { + writeSpace(); + writeTokenText(node.token, writeKeyword); + writeSpace(); + emitList(node, node.types, 528 /* ListFormat.HeritageClauseTypes */); + } + function emitCatchClause(node) { + var openParenPos = emitTokenWithComment(83 /* SyntaxKind.CatchKeyword */, node.pos, writeKeyword, node); + writeSpace(); + if (node.variableDeclaration) { + emitTokenWithComment(20 /* SyntaxKind.OpenParenToken */, openParenPos, writePunctuation, node); + emit(node.variableDeclaration); + emitTokenWithComment(21 /* SyntaxKind.CloseParenToken */, node.variableDeclaration.end, writePunctuation, node); + writeSpace(); + } + emit(node.block); + } + // + // Property assignments + // + function emitPropertyAssignment(node) { + emit(node.name); + writePunctuation(":"); + writeSpace(); + // This is to ensure that we emit comment in the following case: + // For example: + // obj = { + // id: /*comment1*/ ()=>void + // } + // "comment1" is not considered to be leading comment for node.initializer + // but rather a trailing comment on the previous node. + var initializer = node.initializer; + if ((ts.getEmitFlags(initializer) & 512 /* EmitFlags.NoLeadingComments */) === 0) { + var commentRange = ts.getCommentRange(initializer); + emitTrailingCommentsOfPosition(commentRange.pos); + } + emitExpression(initializer, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + function emitShorthandPropertyAssignment(node) { + emit(node.name); + if (node.objectAssignmentInitializer) { + writeSpace(); + writePunctuation("="); + writeSpace(); + emitExpression(node.objectAssignmentInitializer, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + } + function emitSpreadAssignment(node) { + if (node.expression) { + emitTokenWithComment(25 /* SyntaxKind.DotDotDotToken */, node.pos, writePunctuation, node); + emitExpression(node.expression, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + } + // + // Enum + // + function emitEnumMember(node) { + emit(node.name); + emitInitializer(node.initializer, node.name.end, node, parenthesizer.parenthesizeExpressionForDisallowedComma); + } + // + // JSDoc + // + function emitJSDoc(node) { + write("/**"); + if (node.comment) { + var text = ts.getTextOfJSDocComment(node.comment); + if (text) { + var lines = text.split(/\r\n?|\n/g); + for (var _a = 0, lines_2 = lines; _a < lines_2.length; _a++) { + var line = lines_2[_a]; + writeLine(); + writeSpace(); + writePunctuation("*"); + writeSpace(); + write(line); + } + } + } + if (node.tags) { + if (node.tags.length === 1 && node.tags[0].kind === 343 /* SyntaxKind.JSDocTypeTag */ && !node.comment) { + writeSpace(); + emit(node.tags[0]); + } + else { + emitList(node, node.tags, 33 /* ListFormat.JSDocComment */); + } + } + writeSpace(); + write("*/"); + } + function emitJSDocSimpleTypedTag(tag) { + emitJSDocTagName(tag.tagName); + emitJSDocTypeExpression(tag.typeExpression); + emitJSDocComment(tag.comment); + } + function emitJSDocSeeTag(tag) { + emitJSDocTagName(tag.tagName); + emit(tag.name); + emitJSDocComment(tag.comment); + } + function emitJSDocNameReference(node) { + writeSpace(); + writePunctuation("{"); + emit(node.name); + writePunctuation("}"); + } + function emitJSDocHeritageTag(tag) { + emitJSDocTagName(tag.tagName); + writeSpace(); + writePunctuation("{"); + emit(tag.class); + writePunctuation("}"); + emitJSDocComment(tag.comment); + } + function emitJSDocTemplateTag(tag) { + emitJSDocTagName(tag.tagName); + emitJSDocTypeExpression(tag.constraint); + writeSpace(); + emitList(tag, tag.typeParameters, 528 /* ListFormat.CommaListElements */); + emitJSDocComment(tag.comment); + } + function emitJSDocTypedefTag(tag) { + emitJSDocTagName(tag.tagName); + if (tag.typeExpression) { + if (tag.typeExpression.kind === 309 /* SyntaxKind.JSDocTypeExpression */) { + emitJSDocTypeExpression(tag.typeExpression); + } + else { + writeSpace(); + writePunctuation("{"); + write("Object"); + if (tag.typeExpression.isArrayType) { + writePunctuation("["); + writePunctuation("]"); + } + writePunctuation("}"); + } + } + if (tag.fullName) { + writeSpace(); + emit(tag.fullName); + } + emitJSDocComment(tag.comment); + if (tag.typeExpression && tag.typeExpression.kind === 322 /* SyntaxKind.JSDocTypeLiteral */) { + emitJSDocTypeLiteral(tag.typeExpression); + } + } + function emitJSDocCallbackTag(tag) { + emitJSDocTagName(tag.tagName); + if (tag.name) { + writeSpace(); + emit(tag.name); + } + emitJSDocComment(tag.comment); + emitJSDocSignature(tag.typeExpression); + } + function emitJSDocSimpleTag(tag) { + emitJSDocTagName(tag.tagName); + emitJSDocComment(tag.comment); + } + function emitJSDocTypeLiteral(lit) { + emitList(lit, ts.factory.createNodeArray(lit.jsDocPropertyTags), 33 /* ListFormat.JSDocComment */); + } + function emitJSDocSignature(sig) { + if (sig.typeParameters) { + emitList(sig, ts.factory.createNodeArray(sig.typeParameters), 33 /* ListFormat.JSDocComment */); + } + if (sig.parameters) { + emitList(sig, ts.factory.createNodeArray(sig.parameters), 33 /* ListFormat.JSDocComment */); + } + if (sig.type) { + writeLine(); + writeSpace(); + writePunctuation("*"); + writeSpace(); + emit(sig.type); + } + } + function emitJSDocPropertyLikeTag(param) { + emitJSDocTagName(param.tagName); + emitJSDocTypeExpression(param.typeExpression); + writeSpace(); + if (param.isBracketed) { + writePunctuation("["); + } + emit(param.name); + if (param.isBracketed) { + writePunctuation("]"); + } + emitJSDocComment(param.comment); + } + function emitJSDocTagName(tagName) { + writePunctuation("@"); + emit(tagName); + } + function emitJSDocComment(comment) { + var text = ts.getTextOfJSDocComment(comment); + if (text) { + writeSpace(); + write(text); + } + } + function emitJSDocTypeExpression(typeExpression) { + if (typeExpression) { + writeSpace(); + writePunctuation("{"); + emit(typeExpression.type); + writePunctuation("}"); + } + } + // + // Top-level nodes + // + function emitSourceFile(node) { + writeLine(); + var statements = node.statements; + // Emit detached comment if there are no prologue directives or if the first node is synthesized. + // The synthesized node will have no leading comment so some comments may be missed. + var shouldEmitDetachedComment = statements.length === 0 || + !ts.isPrologueDirective(statements[0]) || + ts.nodeIsSynthesized(statements[0]); + if (shouldEmitDetachedComment) { + emitBodyWithDetachedComments(node, statements, emitSourceFileWorker); + return; + } + emitSourceFileWorker(node); + } + function emitSyntheticTripleSlashReferencesIfNeeded(node) { + emitTripleSlashDirectives(!!node.hasNoDefaultLib, node.syntheticFileReferences || [], node.syntheticTypeReferences || [], node.syntheticLibReferences || []); + for (var _a = 0, _b = node.prepends; _a < _b.length; _a++) { + var prepend = _b[_a]; + if (ts.isUnparsedSource(prepend) && prepend.syntheticReferences) { + for (var _c = 0, _d = prepend.syntheticReferences; _c < _d.length; _c++) { + var ref = _d[_c]; + emit(ref); + writeLine(); + } + } + } + } + function emitTripleSlashDirectivesIfNeeded(node) { + if (node.isDeclarationFile) + emitTripleSlashDirectives(node.hasNoDefaultLib, node.referencedFiles, node.typeReferenceDirectives, node.libReferenceDirectives); + } + function emitTripleSlashDirectives(hasNoDefaultLib, files, types, libs) { + if (hasNoDefaultLib) { + var pos = writer.getTextPos(); + writeComment("/// "); + if (bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "no-default-lib" /* BundleFileSectionKind.NoDefaultLib */ }); + writeLine(); + } + if (currentSourceFile && currentSourceFile.moduleName) { + writeComment("/// ")); + writeLine(); + } + if (currentSourceFile && currentSourceFile.amdDependencies) { + for (var _a = 0, _b = currentSourceFile.amdDependencies; _a < _b.length; _a++) { + var dep = _b[_a]; + if (dep.name) { + writeComment("/// ")); + } + else { + writeComment("/// ")); + } + writeLine(); + } + } + for (var _c = 0, files_2 = files; _c < files_2.length; _c++) { + var directive = files_2[_c]; + var pos = writer.getTextPos(); + writeComment("/// ")); + if (bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "reference" /* BundleFileSectionKind.Reference */, data: directive.fileName }); + writeLine(); + } + for (var _d = 0, types_24 = types; _d < types_24.length; _d++) { + var directive = types_24[_d]; + var pos = writer.getTextPos(); + var resolutionMode = directive.resolutionMode && directive.resolutionMode !== (currentSourceFile === null || currentSourceFile === void 0 ? void 0 : currentSourceFile.impliedNodeFormat) + ? "resolution-mode=\"".concat(directive.resolutionMode === ts.ModuleKind.ESNext ? "import" : "require", "\"") + : ""; + writeComment("/// ")); + if (bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: !directive.resolutionMode ? "type" /* BundleFileSectionKind.Type */ : directive.resolutionMode === ts.ModuleKind.ESNext ? "type-import" /* BundleFileSectionKind.TypeResolutionModeImport */ : "type-require" /* BundleFileSectionKind.TypeResolutionModeRequire */, data: directive.fileName }); + writeLine(); + } + for (var _e = 0, libs_1 = libs; _e < libs_1.length; _e++) { + var directive = libs_1[_e]; + var pos = writer.getTextPos(); + writeComment("/// ")); + if (bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "lib" /* BundleFileSectionKind.Lib */, data: directive.fileName }); + writeLine(); + } + } + function emitSourceFileWorker(node) { + var statements = node.statements; + pushNameGenerationScope(node); + ts.forEach(node.statements, generateNames); + emitHelpers(node); + var index = ts.findIndex(statements, function (statement) { return !ts.isPrologueDirective(statement); }); + emitTripleSlashDirectivesIfNeeded(node); + emitList(node, statements, 1 /* ListFormat.MultiLine */, /*parenthesizerRule*/ undefined, index === -1 ? statements.length : index); + popNameGenerationScope(node); + } + // Transformation nodes + function emitPartiallyEmittedExpression(node) { + var emitFlags = ts.getEmitFlags(node); + if (!(emitFlags & 512 /* EmitFlags.NoLeadingComments */) && node.pos !== node.expression.pos) { + emitTrailingCommentsOfPosition(node.expression.pos); + } + emitExpression(node.expression); + if (!(emitFlags & 1024 /* EmitFlags.NoTrailingComments */) && node.end !== node.expression.end) { + emitLeadingCommentsOfPosition(node.expression.end); + } + } + function emitCommaList(node) { + emitExpressionList(node, node.elements, 528 /* ListFormat.CommaListElements */, /*parenthesizerRule*/ undefined); + } + /** + * Emits any prologue directives at the start of a Statement list, returning the + * number of prologue directives written to the output. + */ + function emitPrologueDirectives(statements, sourceFile, seenPrologueDirectives, recordBundleFileSection) { + var needsToSetSourceFile = !!sourceFile; + for (var i = 0; i < statements.length; i++) { + var statement = statements[i]; + if (ts.isPrologueDirective(statement)) { + var shouldEmitPrologueDirective = seenPrologueDirectives ? !seenPrologueDirectives.has(statement.expression.text) : true; + if (shouldEmitPrologueDirective) { + if (needsToSetSourceFile) { + needsToSetSourceFile = false; + setSourceFile(sourceFile); + } + writeLine(); + var pos = writer.getTextPos(); + emit(statement); + if (recordBundleFileSection && bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "prologue" /* BundleFileSectionKind.Prologue */, data: statement.expression.text }); + if (seenPrologueDirectives) { + seenPrologueDirectives.add(statement.expression.text); + } + } + } + else { + // return index of the first non prologue directive + return i; + } + } + return statements.length; + } + function emitUnparsedPrologues(prologues, seenPrologueDirectives) { + for (var _a = 0, prologues_1 = prologues; _a < prologues_1.length; _a++) { + var prologue = prologues_1[_a]; + if (!seenPrologueDirectives.has(prologue.data)) { + writeLine(); + var pos = writer.getTextPos(); + emit(prologue); + if (bundleFileInfo) + bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "prologue" /* BundleFileSectionKind.Prologue */, data: prologue.data }); + if (seenPrologueDirectives) { + seenPrologueDirectives.add(prologue.data); + } + } + } + } + function emitPrologueDirectivesIfNeeded(sourceFileOrBundle) { + if (ts.isSourceFile(sourceFileOrBundle)) { + emitPrologueDirectives(sourceFileOrBundle.statements, sourceFileOrBundle); + } + else { + var seenPrologueDirectives = new ts.Set(); + for (var _a = 0, _b = sourceFileOrBundle.prepends; _a < _b.length; _a++) { + var prepend = _b[_a]; + emitUnparsedPrologues(prepend.prologues, seenPrologueDirectives); + } + for (var _c = 0, _d = sourceFileOrBundle.sourceFiles; _c < _d.length; _c++) { + var sourceFile = _d[_c]; + emitPrologueDirectives(sourceFile.statements, sourceFile, seenPrologueDirectives, /*recordBundleFileSection*/ true); + } + setSourceFile(undefined); + } + } + function getPrologueDirectivesFromBundledSourceFiles(bundle) { + var seenPrologueDirectives = new ts.Set(); + var prologues; + for (var index = 0; index < bundle.sourceFiles.length; index++) { + var sourceFile = bundle.sourceFiles[index]; + var directives = void 0; + var end = 0; + for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + if (!ts.isPrologueDirective(statement)) + break; + if (seenPrologueDirectives.has(statement.expression.text)) + continue; + seenPrologueDirectives.add(statement.expression.text); + (directives || (directives = [])).push({ + pos: statement.pos, + end: statement.end, + expression: { + pos: statement.expression.pos, + end: statement.expression.end, + text: statement.expression.text + } + }); + end = end < statement.end ? statement.end : end; + } + if (directives) + (prologues || (prologues = [])).push({ file: index, text: sourceFile.text.substring(0, end), directives: directives }); + } + return prologues; + } + function emitShebangIfNeeded(sourceFileOrBundle) { + if (ts.isSourceFile(sourceFileOrBundle) || ts.isUnparsedSource(sourceFileOrBundle)) { + var shebang = ts.getShebang(sourceFileOrBundle.text); + if (shebang) { + writeComment(shebang); + writeLine(); + return true; + } + } + else { + for (var _a = 0, _b = sourceFileOrBundle.prepends; _a < _b.length; _a++) { + var prepend = _b[_a]; + ts.Debug.assertNode(prepend, ts.isUnparsedSource); + if (emitShebangIfNeeded(prepend)) { + return true; + } + } + for (var _c = 0, _d = sourceFileOrBundle.sourceFiles; _c < _d.length; _c++) { + var sourceFile = _d[_c]; + // Emit only the first encountered shebang + if (emitShebangIfNeeded(sourceFile)) { + return true; + } + } + } + } + // + // Helpers + // + function emitNodeWithWriter(node, writer) { + if (!node) + return; + var savedWrite = write; + write = writer; + emit(node); + write = savedWrite; + } + function emitModifiers(node, modifiers) { + if (modifiers && modifiers.length) { + emitList(node, modifiers, 262656 /* ListFormat.Modifiers */); + writeSpace(); + } + } + function emitTypeAnnotation(node) { + if (node) { + writePunctuation(":"); + writeSpace(); + emit(node); + } + } + function emitInitializer(node, equalCommentStartPos, container, parenthesizerRule) { + if (node) { + writeSpace(); + emitTokenWithComment(63 /* SyntaxKind.EqualsToken */, equalCommentStartPos, writeOperator, container); + writeSpace(); + emitExpression(node, parenthesizerRule); + } + } + function emitNodeWithPrefix(prefix, prefixWriter, node, emit) { + if (node) { + prefixWriter(prefix); + emit(node); + } + } + function emitWithLeadingSpace(node) { + if (node) { + writeSpace(); + emit(node); + } + } + function emitExpressionWithLeadingSpace(node, parenthesizerRule) { + if (node) { + writeSpace(); + emitExpression(node, parenthesizerRule); + } + } + function emitWithTrailingSpace(node) { + if (node) { + emit(node); + writeSpace(); + } + } + function emitEmbeddedStatement(parent, node) { + if (ts.isBlock(node) || ts.getEmitFlags(parent) & 1 /* EmitFlags.SingleLine */) { + writeSpace(); + emit(node); + } + else { + writeLine(); + increaseIndent(); + if (ts.isEmptyStatement(node)) { + pipelineEmit(5 /* EmitHint.EmbeddedStatement */, node); + } + else { + emit(node); + } + decreaseIndent(); + } + } + function emitDecorators(parentNode, decorators) { + emitList(parentNode, decorators, 2146305 /* ListFormat.Decorators */); + } + function emitTypeArguments(parentNode, typeArguments) { + emitList(parentNode, typeArguments, 53776 /* ListFormat.TypeArguments */, typeArgumentParenthesizerRuleSelector); + } + function emitTypeParameters(parentNode, typeParameters) { + if (ts.isFunctionLike(parentNode) && parentNode.typeArguments) { // Quick info uses type arguments in place of type parameters on instantiated signatures + return emitTypeArguments(parentNode, parentNode.typeArguments); + } + emitList(parentNode, typeParameters, 53776 /* ListFormat.TypeParameters */); + } + function emitParameters(parentNode, parameters) { + emitList(parentNode, parameters, 2576 /* ListFormat.Parameters */); + } + function canEmitSimpleArrowHead(parentNode, parameters) { + var parameter = ts.singleOrUndefined(parameters); + return parameter + && parameter.pos === parentNode.pos // may not have parsed tokens between parent and parameter + && ts.isArrowFunction(parentNode) // only arrow functions may have simple arrow head + && !parentNode.type // arrow function may not have return type annotation + && !ts.some(parentNode.decorators) // parent may not have decorators + && !ts.some(parentNode.modifiers) // parent may not have modifiers + && !ts.some(parentNode.typeParameters) // parent may not have type parameters + && !ts.some(parameter.decorators) // parameter may not have decorators + && !ts.some(parameter.modifiers) // parameter may not have modifiers + && !parameter.dotDotDotToken // parameter may not be rest + && !parameter.questionToken // parameter may not be optional + && !parameter.type // parameter may not have a type annotation + && !parameter.initializer // parameter may not have an initializer + && ts.isIdentifier(parameter.name); // parameter name must be identifier + } + function emitParametersForArrow(parentNode, parameters) { + if (canEmitSimpleArrowHead(parentNode, parameters)) { + emitList(parentNode, parameters, 2576 /* ListFormat.Parameters */ & ~2048 /* ListFormat.Parenthesis */); + } + else { + emitParameters(parentNode, parameters); + } + } + function emitParametersForIndexSignature(parentNode, parameters) { + emitList(parentNode, parameters, 8848 /* ListFormat.IndexSignatureParameters */); + } + function writeDelimiter(format) { + switch (format & 60 /* ListFormat.DelimitersMask */) { + case 0 /* ListFormat.None */: + break; + case 16 /* ListFormat.CommaDelimited */: + writePunctuation(","); + break; + case 4 /* ListFormat.BarDelimited */: + writeSpace(); + writePunctuation("|"); + break; + case 32 /* ListFormat.AsteriskDelimited */: + writeSpace(); + writePunctuation("*"); + writeSpace(); + break; + case 8 /* ListFormat.AmpersandDelimited */: + writeSpace(); + writePunctuation("&"); + break; + } + } + function emitList(parentNode, children, format, parenthesizerRule, start, count) { + emitNodeList(emit, parentNode, children, format, parenthesizerRule, start, count); + } + function emitExpressionList(parentNode, children, format, parenthesizerRule, start, count) { + emitNodeList(emitExpression, parentNode, children, format, parenthesizerRule, start, count); + } + function emitNodeList(emit, parentNode, children, format, parenthesizerRule, start, count) { + if (start === void 0) { start = 0; } + if (count === void 0) { count = children ? children.length - start : 0; } + var isUndefined = children === undefined; + if (isUndefined && format & 16384 /* ListFormat.OptionalIfUndefined */) { + return; + } + var isEmpty = children === undefined || start >= children.length || count === 0; + if (isEmpty && format & 32768 /* ListFormat.OptionalIfEmpty */) { + if (onBeforeEmitNodeArray) { + onBeforeEmitNodeArray(children); + } + if (onAfterEmitNodeArray) { + onAfterEmitNodeArray(children); + } + return; + } + if (format & 15360 /* ListFormat.BracketsMask */) { + writePunctuation(getOpeningBracket(format)); + if (isEmpty && children) { + emitTrailingCommentsOfPosition(children.pos, /*prefixSpace*/ true); // Emit comments within empty bracketed lists + } + } + if (onBeforeEmitNodeArray) { + onBeforeEmitNodeArray(children); + } + if (isEmpty) { + // Write a line terminator if the parent node was multi-line + if (format & 1 /* ListFormat.MultiLine */ && !(preserveSourceNewlines && (!parentNode || currentSourceFile && ts.rangeIsOnSingleLine(parentNode, currentSourceFile)))) { + writeLine(); + } + else if (format & 256 /* ListFormat.SpaceBetweenBraces */ && !(format & 524288 /* ListFormat.NoSpaceIfEmpty */)) { + writeSpace(); + } + } + else { + ts.Debug.type(children); + // Write the opening line terminator or leading whitespace. + var mayEmitInterveningComments = (format & 262144 /* ListFormat.NoInterveningComments */) === 0; + var shouldEmitInterveningComments = mayEmitInterveningComments; + var leadingLineTerminatorCount = getLeadingLineTerminatorCount(parentNode, children, format); // TODO: GH#18217 + if (leadingLineTerminatorCount) { + writeLine(leadingLineTerminatorCount); + shouldEmitInterveningComments = false; + } + else if (format & 256 /* ListFormat.SpaceBetweenBraces */) { + writeSpace(); + } + // Increase the indent, if requested. + if (format & 128 /* ListFormat.Indented */) { + increaseIndent(); + } + var emitListItem = getEmitListItem(emit, parenthesizerRule); + // Emit each child. + var previousSibling = void 0; + var previousSourceFileTextKind = void 0; + var shouldDecreaseIndentAfterEmit = false; + for (var i = 0; i < count; i++) { + var child = children[start + i]; + // Write the delimiter if this is not the first node. + if (format & 32 /* ListFormat.AsteriskDelimited */) { + // always write JSDoc in the format "\n *" + writeLine(); + writeDelimiter(format); + } + else if (previousSibling) { + // i.e + // function commentedParameters( + // /* Parameter a */ + // a + // /* End of parameter a */ -> this comment isn't considered to be trailing comment of parameter "a" due to newline + // , + if (format & 60 /* ListFormat.DelimitersMask */ && previousSibling.end !== (parentNode ? parentNode.end : -1)) { + emitLeadingCommentsOfPosition(previousSibling.end); + } + writeDelimiter(format); + recordBundleFileInternalSectionEnd(previousSourceFileTextKind); + // Write either a line terminator or whitespace to separate the elements. + var separatingLineTerminatorCount = getSeparatingLineTerminatorCount(previousSibling, child, format); + if (separatingLineTerminatorCount > 0) { + // If a synthesized node in a single-line list starts on a new + // line, we should increase the indent. + if ((format & (3 /* ListFormat.LinesMask */ | 128 /* ListFormat.Indented */)) === 0 /* ListFormat.SingleLine */) { + increaseIndent(); + shouldDecreaseIndentAfterEmit = true; + } + writeLine(separatingLineTerminatorCount); + shouldEmitInterveningComments = false; + } + else if (previousSibling && format & 512 /* ListFormat.SpaceBetweenSiblings */) { + writeSpace(); + } + } + // Emit this child. + previousSourceFileTextKind = recordBundleFileInternalSectionStart(child); + if (shouldEmitInterveningComments) { + var commentRange = ts.getCommentRange(child); + emitTrailingCommentsOfPosition(commentRange.pos); + } + else { + shouldEmitInterveningComments = mayEmitInterveningComments; + } + nextListElementPos = child.pos; + emitListItem(child, emit, parenthesizerRule, i); + if (shouldDecreaseIndentAfterEmit) { + decreaseIndent(); + shouldDecreaseIndentAfterEmit = false; + } + previousSibling = child; + } + // Write a trailing comma, if requested. + var emitFlags = previousSibling ? ts.getEmitFlags(previousSibling) : 0; + var skipTrailingComments = commentsDisabled || !!(emitFlags & 1024 /* EmitFlags.NoTrailingComments */); + var hasTrailingComma = (children === null || children === void 0 ? void 0 : children.hasTrailingComma) && (format & 64 /* ListFormat.AllowTrailingComma */) && (format & 16 /* ListFormat.CommaDelimited */); + if (hasTrailingComma) { + if (previousSibling && !skipTrailingComments) { + emitTokenWithComment(27 /* SyntaxKind.CommaToken */, previousSibling.end, writePunctuation, previousSibling); + } + else { + writePunctuation(","); + } + } + // Emit any trailing comment of the last element in the list + // i.e + // var array = [... + // 2 + // /* end of element 2 */ + // ]; + if (previousSibling && (parentNode ? parentNode.end : -1) !== previousSibling.end && (format & 60 /* ListFormat.DelimitersMask */) && !skipTrailingComments) { + emitLeadingCommentsOfPosition(hasTrailingComma && (children === null || children === void 0 ? void 0 : children.end) ? children.end : previousSibling.end); + } + // Decrease the indent, if requested. + if (format & 128 /* ListFormat.Indented */) { + decreaseIndent(); + } + recordBundleFileInternalSectionEnd(previousSourceFileTextKind); + // Write the closing line terminator or closing whitespace. + var closingLineTerminatorCount = getClosingLineTerminatorCount(parentNode, children, format); + if (closingLineTerminatorCount) { + writeLine(closingLineTerminatorCount); + } + else if (format & (2097152 /* ListFormat.SpaceAfterList */ | 256 /* ListFormat.SpaceBetweenBraces */)) { + writeSpace(); + } + } + if (onAfterEmitNodeArray) { + onAfterEmitNodeArray(children); + } + if (format & 15360 /* ListFormat.BracketsMask */) { + if (isEmpty && children) { + emitLeadingCommentsOfPosition(children.end); // Emit leading comments within empty lists + } + writePunctuation(getClosingBracket(format)); + } + } + // Writers + function writeLiteral(s) { + writer.writeLiteral(s); + } + function writeStringLiteral(s) { + writer.writeStringLiteral(s); + } + function writeBase(s) { + writer.write(s); + } + function writeSymbol(s, sym) { + writer.writeSymbol(s, sym); + } + function writePunctuation(s) { + writer.writePunctuation(s); + } + function writeTrailingSemicolon() { + writer.writeTrailingSemicolon(";"); + } + function writeKeyword(s) { + writer.writeKeyword(s); + } + function writeOperator(s) { + writer.writeOperator(s); + } + function writeParameter(s) { + writer.writeParameter(s); + } + function writeComment(s) { + writer.writeComment(s); + } + function writeSpace() { + writer.writeSpace(" "); + } + function writeProperty(s) { + writer.writeProperty(s); + } + function nonEscapingWrite(s) { + // This should be defined in a snippet-escaping text writer. + if (writer.nonEscapingWrite) { + writer.nonEscapingWrite(s); + } + else { + writer.write(s); + } + } + function writeLine(count) { + if (count === void 0) { count = 1; } + for (var i = 0; i < count; i++) { + writer.writeLine(i > 0); + } + } + function increaseIndent() { + writer.increaseIndent(); + } + function decreaseIndent() { + writer.decreaseIndent(); + } + function writeToken(token, pos, writer, contextNode) { + return !sourceMapsDisabled + ? emitTokenWithSourceMap(contextNode, token, writer, pos, writeTokenText) + : writeTokenText(token, writer, pos); + } + function writeTokenNode(node, writer) { + if (onBeforeEmitToken) { + onBeforeEmitToken(node); + } + writer(ts.tokenToString(node.kind)); + if (onAfterEmitToken) { + onAfterEmitToken(node); + } + } + function writeTokenText(token, writer, pos) { + var tokenString = ts.tokenToString(token); + writer(tokenString); + return pos < 0 ? pos : pos + tokenString.length; + } + function writeLineOrSpace(parentNode, prevChildNode, nextChildNode) { + if (ts.getEmitFlags(parentNode) & 1 /* EmitFlags.SingleLine */) { + writeSpace(); + } + else if (preserveSourceNewlines) { + var lines = getLinesBetweenNodes(parentNode, prevChildNode, nextChildNode); + if (lines) { + writeLine(lines); + } + else { + writeSpace(); + } + } + else { + writeLine(); + } + } + function writeLines(text) { + var lines = text.split(/\r\n?|\n/g); + var indentation = ts.guessIndentation(lines); + for (var _a = 0, lines_3 = lines; _a < lines_3.length; _a++) { + var lineText = lines_3[_a]; + var line = indentation ? lineText.slice(indentation) : lineText; + if (line.length) { + writeLine(); + write(line); + } + } + } + function writeLinesAndIndent(lineCount, writeSpaceIfNotIndenting) { + if (lineCount) { + increaseIndent(); + writeLine(lineCount); + } + else if (writeSpaceIfNotIndenting) { + writeSpace(); + } + } + // Helper function to decrease the indent if we previously indented. Allows multiple + // previous indent values to be considered at a time. This also allows caller to just + // call this once, passing in all their appropriate indent values, instead of needing + // to call this helper function multiple times. + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function getLeadingLineTerminatorCount(parentNode, children, format) { + if (format & 2 /* ListFormat.PreserveLines */ || preserveSourceNewlines) { + if (format & 65536 /* ListFormat.PreferNewLine */) { + return 1; + } + var firstChild_1 = children[0]; + if (firstChild_1 === undefined) { + return !parentNode || currentSourceFile && ts.rangeIsOnSingleLine(parentNode, currentSourceFile) ? 0 : 1; + } + if (firstChild_1.pos === nextListElementPos) { + // If this child starts at the beginning of a list item in a parent list, its leading + // line terminators have already been written as the separating line terminators of the + // parent list. Example: + // + // class Foo { + // constructor() {} + // public foo() {} + // } + // + // The outer list is the list of class members, with one line terminator between the + // constructor and the method. The constructor is written, the separating line terminator + // is written, and then we start emitting the method. Its modifiers ([public]) constitute an inner + // list, so we look for its leading line terminators. If we didn't know that we had already + // written a newline as part of the parent list, it would appear that we need to write a + // leading newline to start the modifiers. + return 0; + } + if (firstChild_1.kind === 11 /* SyntaxKind.JsxText */) { + // JsxText will be written with its leading whitespace, so don't add more manually. + return 0; + } + if (currentSourceFile && parentNode && + !ts.positionIsSynthesized(parentNode.pos) && + !ts.nodeIsSynthesized(firstChild_1) && + (!firstChild_1.parent || ts.getOriginalNode(firstChild_1.parent) === ts.getOriginalNode(parentNode))) { + if (preserveSourceNewlines) { + return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter(firstChild_1.pos, parentNode.pos, currentSourceFile, includeComments); }); + } + return ts.rangeStartPositionsAreOnSameLine(parentNode, firstChild_1, currentSourceFile) ? 0 : 1; + } + if (synthesizedNodeStartsOnNewLine(firstChild_1, format)) { + return 1; + } + } + return format & 1 /* ListFormat.MultiLine */ ? 1 : 0; + } + function getSeparatingLineTerminatorCount(previousNode, nextNode, format) { + if (format & 2 /* ListFormat.PreserveLines */ || preserveSourceNewlines) { + if (previousNode === undefined || nextNode === undefined) { + return 0; + } + if (nextNode.kind === 11 /* SyntaxKind.JsxText */) { + // JsxText will be written with its leading whitespace, so don't add more manually. + return 0; + } + else if (currentSourceFile && !ts.nodeIsSynthesized(previousNode) && !ts.nodeIsSynthesized(nextNode)) { + if (preserveSourceNewlines && siblingNodePositionsAreComparable(previousNode, nextNode)) { + return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenRangeEndAndRangeStart(previousNode, nextNode, currentSourceFile, includeComments); }); + } + // If `preserveSourceNewlines` is `false` we do not intend to preserve the effective lines between the + // previous and next node. Instead we naively check whether nodes are on separate lines within the + // same node parent. If so, we intend to preserve a single line terminator. This is less precise and + // expensive than checking with `preserveSourceNewlines` as above, but the goal is not to preserve the + // effective source lines between two sibling nodes. + else if (!preserveSourceNewlines && originalNodesHaveSameParent(previousNode, nextNode)) { + return ts.rangeEndIsOnSameLineAsRangeStart(previousNode, nextNode, currentSourceFile) ? 0 : 1; + } + // If the two nodes are not comparable, add a line terminator based on the format that can indicate + // whether new lines are preferred or not. + return format & 65536 /* ListFormat.PreferNewLine */ ? 1 : 0; + } + else if (synthesizedNodeStartsOnNewLine(previousNode, format) || synthesizedNodeStartsOnNewLine(nextNode, format)) { + return 1; + } + } + else if (ts.getStartsOnNewLine(nextNode)) { + return 1; + } + return format & 1 /* ListFormat.MultiLine */ ? 1 : 0; + } + function getClosingLineTerminatorCount(parentNode, children, format) { + if (format & 2 /* ListFormat.PreserveLines */ || preserveSourceNewlines) { + if (format & 65536 /* ListFormat.PreferNewLine */) { + return 1; + } + var lastChild = ts.lastOrUndefined(children); + if (lastChild === undefined) { + return !parentNode || currentSourceFile && ts.rangeIsOnSingleLine(parentNode, currentSourceFile) ? 0 : 1; + } + if (currentSourceFile && parentNode && !ts.positionIsSynthesized(parentNode.pos) && !ts.nodeIsSynthesized(lastChild) && (!lastChild.parent || lastChild.parent === parentNode)) { + if (preserveSourceNewlines) { + var end_1 = ts.isNodeArray(children) && !ts.positionIsSynthesized(children.end) ? children.end : lastChild.end; + return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenPositionAndNextNonWhitespaceCharacter(end_1, parentNode.end, currentSourceFile, includeComments); }); + } + return ts.rangeEndPositionsAreOnSameLine(parentNode, lastChild, currentSourceFile) ? 0 : 1; + } + if (synthesizedNodeStartsOnNewLine(lastChild, format)) { + return 1; + } + } + if (format & 1 /* ListFormat.MultiLine */ && !(format & 131072 /* ListFormat.NoTrailingNewLine */)) { + return 1; + } + return 0; + } + function getEffectiveLines(getLineDifference) { + // If 'preserveSourceNewlines' is disabled, we should never call this function + // because it could be more expensive than alternative approximations. + ts.Debug.assert(!!preserveSourceNewlines); + // We start by measuring the line difference from a position to its adjacent comments, + // so that this is counted as a one-line difference, not two: + // + // node1; + // // NODE2 COMMENT + // node2; + var lines = getLineDifference(/*includeComments*/ true); + if (lines === 0) { + // However, if the line difference considering comments was 0, we might have this: + // + // node1; // NODE2 COMMENT + // node2; + // + // in which case we should be ignoring node2's comment, so this too is counted as + // a one-line difference, not zero. + return getLineDifference(/*includeComments*/ false); + } + return lines; + } + function writeLineSeparatorsAndIndentBefore(node, parent) { + var leadingNewlines = preserveSourceNewlines && getLeadingLineTerminatorCount(parent, [node], 0 /* ListFormat.None */); + if (leadingNewlines) { + writeLinesAndIndent(leadingNewlines, /*writeSpaceIfNotIndenting*/ false); + } + return !!leadingNewlines; + } + function writeLineSeparatorsAfter(node, parent) { + var trailingNewlines = preserveSourceNewlines && getClosingLineTerminatorCount(parent, [node], 0 /* ListFormat.None */); + if (trailingNewlines) { + writeLine(trailingNewlines); + } + } + function synthesizedNodeStartsOnNewLine(node, format) { + if (ts.nodeIsSynthesized(node)) { + var startsOnNewLine = ts.getStartsOnNewLine(node); + if (startsOnNewLine === undefined) { + return (format & 65536 /* ListFormat.PreferNewLine */) !== 0; + } + return startsOnNewLine; + } + return (format & 65536 /* ListFormat.PreferNewLine */) !== 0; + } + function getLinesBetweenNodes(parent, node1, node2) { + if (ts.getEmitFlags(parent) & 131072 /* EmitFlags.NoIndentation */) { + return 0; + } + parent = skipSynthesizedParentheses(parent); + node1 = skipSynthesizedParentheses(node1); + node2 = skipSynthesizedParentheses(node2); + // Always use a newline for synthesized code if the synthesizer desires it. + if (ts.getStartsOnNewLine(node2)) { + return 1; + } + if (currentSourceFile && !ts.nodeIsSynthesized(parent) && !ts.nodeIsSynthesized(node1) && !ts.nodeIsSynthesized(node2)) { + if (preserveSourceNewlines) { + return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenRangeEndAndRangeStart(node1, node2, currentSourceFile, includeComments); }); + } + return ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile) ? 0 : 1; + } + return 0; + } + function isEmptyBlock(block) { + return block.statements.length === 0 + && (!currentSourceFile || ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile)); + } + function skipSynthesizedParentheses(node) { + while (node.kind === 212 /* SyntaxKind.ParenthesizedExpression */ && ts.nodeIsSynthesized(node)) { + node = node.expression; + } + return node; + } + function getTextOfNode(node, includeTrivia) { + if (ts.isGeneratedIdentifier(node)) { + return generateName(node); + } + if (ts.isStringLiteral(node) && node.textSourceNode) { + return getTextOfNode(node.textSourceNode, includeTrivia); + } + var sourceFile = currentSourceFile; // const needed for control flow + var canUseSourceFile = !!sourceFile && !!node.parent && !ts.nodeIsSynthesized(node); + if (ts.isMemberName(node)) { + if (!canUseSourceFile || ts.getSourceFileOfNode(node) !== ts.getOriginalNode(sourceFile)) { + return ts.idText(node); + } + } + else { + ts.Debug.assertNode(node, ts.isLiteralExpression); // not strictly necessary + if (!canUseSourceFile) { + return node.text; + } + } + return ts.getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia); + } + function getLiteralTextOfNode(node, neverAsciiEscape, jsxAttributeEscape) { + if (node.kind === 10 /* SyntaxKind.StringLiteral */ && node.textSourceNode) { + var textSourceNode = node.textSourceNode; + if (ts.isIdentifier(textSourceNode) || ts.isNumericLiteral(textSourceNode)) { + var text = ts.isNumericLiteral(textSourceNode) ? textSourceNode.text : getTextOfNode(textSourceNode); + return jsxAttributeEscape ? "\"".concat(ts.escapeJsxAttributeString(text), "\"") : + neverAsciiEscape || (ts.getEmitFlags(node) & 16777216 /* EmitFlags.NoAsciiEscaping */) ? "\"".concat(ts.escapeString(text), "\"") : + "\"".concat(ts.escapeNonAsciiString(text), "\""); + } + else { + return getLiteralTextOfNode(textSourceNode, neverAsciiEscape, jsxAttributeEscape); + } + } + var flags = (neverAsciiEscape ? 1 /* GetLiteralTextFlags.NeverAsciiEscape */ : 0) + | (jsxAttributeEscape ? 2 /* GetLiteralTextFlags.JsxAttributeEscape */ : 0) + | (printerOptions.terminateUnterminatedLiterals ? 4 /* GetLiteralTextFlags.TerminateUnterminatedLiterals */ : 0) + | (printerOptions.target && printerOptions.target === 99 /* ScriptTarget.ESNext */ ? 8 /* GetLiteralTextFlags.AllowNumericSeparator */ : 0); + return ts.getLiteralText(node, currentSourceFile, flags); + } + /** + * Push a new name generation scope. + */ + function pushNameGenerationScope(node) { + if (node && ts.getEmitFlags(node) & 524288 /* EmitFlags.ReuseTempVariableScope */) { + return; + } + tempFlagsStack.push(tempFlags); + tempFlags = 0; + reservedNamesStack.push(reservedNames); + } + /** + * Pop the current name generation scope. + */ + function popNameGenerationScope(node) { + if (node && ts.getEmitFlags(node) & 524288 /* EmitFlags.ReuseTempVariableScope */) { + return; + } + tempFlags = tempFlagsStack.pop(); + reservedNames = reservedNamesStack.pop(); + } + function reserveNameInNestedScopes(name) { + if (!reservedNames || reservedNames === ts.lastOrUndefined(reservedNamesStack)) { + reservedNames = new ts.Set(); + } + reservedNames.add(name); + } + function generateNames(node) { + if (!node) + return; + switch (node.kind) { + case 235 /* SyntaxKind.Block */: + ts.forEach(node.statements, generateNames); + break; + case 250 /* SyntaxKind.LabeledStatement */: + case 248 /* SyntaxKind.WithStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + generateNames(node.statement); + break; + case 239 /* SyntaxKind.IfStatement */: + generateNames(node.thenStatement); + generateNames(node.elseStatement); + break; + case 242 /* SyntaxKind.ForStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 243 /* SyntaxKind.ForInStatement */: + generateNames(node.initializer); + generateNames(node.statement); + break; + case 249 /* SyntaxKind.SwitchStatement */: + generateNames(node.caseBlock); + break; + case 263 /* SyntaxKind.CaseBlock */: + ts.forEach(node.clauses, generateNames); + break; + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + ts.forEach(node.statements, generateNames); + break; + case 252 /* SyntaxKind.TryStatement */: + generateNames(node.tryBlock); + generateNames(node.catchClause); + generateNames(node.finallyBlock); + break; + case 292 /* SyntaxKind.CatchClause */: + generateNames(node.variableDeclaration); + generateNames(node.block); + break; + case 237 /* SyntaxKind.VariableStatement */: + generateNames(node.declarationList); + break; + case 255 /* SyntaxKind.VariableDeclarationList */: + ts.forEach(node.declarations, generateNames); + break; + case 254 /* SyntaxKind.VariableDeclaration */: + case 164 /* SyntaxKind.Parameter */: + case 203 /* SyntaxKind.BindingElement */: + case 257 /* SyntaxKind.ClassDeclaration */: + generateNameIfNeeded(node.name); + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + generateNameIfNeeded(node.name); + if (ts.getEmitFlags(node) & 524288 /* EmitFlags.ReuseTempVariableScope */) { + ts.forEach(node.parameters, generateNames); + generateNames(node.body); + } + break; + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 202 /* SyntaxKind.ArrayBindingPattern */: + ts.forEach(node.elements, generateNames); + break; + case 266 /* SyntaxKind.ImportDeclaration */: + generateNames(node.importClause); + break; + case 267 /* SyntaxKind.ImportClause */: + generateNameIfNeeded(node.name); + generateNames(node.namedBindings); + break; + case 268 /* SyntaxKind.NamespaceImport */: + generateNameIfNeeded(node.name); + break; + case 274 /* SyntaxKind.NamespaceExport */: + generateNameIfNeeded(node.name); + break; + case 269 /* SyntaxKind.NamedImports */: + ts.forEach(node.elements, generateNames); + break; + case 270 /* SyntaxKind.ImportSpecifier */: + generateNameIfNeeded(node.propertyName || node.name); + break; + } + } + function generateMemberNames(node) { + if (!node) + return; + switch (node.kind) { + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + generateNameIfNeeded(node.name); + break; + } + } + function generateNameIfNeeded(name) { + if (name) { + if (ts.isGeneratedIdentifier(name)) { + generateName(name); + } + else if (ts.isBindingPattern(name)) { + generateNames(name); + } + } + } + /** + * Generate the text for a generated identifier. + */ + function generateName(name) { + if ((name.autoGenerateFlags & 7 /* GeneratedIdentifierFlags.KindMask */) === 4 /* GeneratedIdentifierFlags.Node */) { + // Node names generate unique names based on their original node + // and are cached based on that node's id. + return generateNameCached(getNodeForGeneratedName(name), name.autoGenerateFlags); + } + else { + // Auto, Loop, and Unique names are cached based on their unique + // autoGenerateId. + var autoGenerateId = name.autoGenerateId; + return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = makeName(name)); + } + } + function generateNameCached(node, flags) { + var nodeId = ts.getNodeId(node); + return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = generateNameForNode(node, flags)); + } + /** + * Returns a value indicating whether a name is unique globally, within the current file, + * or within the NameGenerator. + */ + function isUniqueName(name) { + return isFileLevelUniqueName(name) + && !generatedNames.has(name) + && !(reservedNames && reservedNames.has(name)); + } + /** + * Returns a value indicating whether a name is unique globally or within the current file. + */ + function isFileLevelUniqueName(name) { + return currentSourceFile ? ts.isFileLevelUniqueName(currentSourceFile, name, hasGlobalName) : true; + } + /** + * Returns a value indicating whether a name is unique within a container. + */ + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) { + if (node.locals) { + var local = node.locals.get(ts.escapeLeadingUnderscores(name)); + // We conservatively include alias symbols to cover cases where they're emitted as locals + if (local && local.flags & (111551 /* SymbolFlags.Value */ | 1048576 /* SymbolFlags.ExportValue */ | 2097152 /* SymbolFlags.Alias */)) { + return false; + } + } + } + return true; + } + /** + * Return the next available name in the pattern _a ... _z, _0, _1, ... + * TempFlags._i or TempFlags._n may be used to express a preference for that dedicated name. + * Note that names generated by makeTempVariableName and makeUniqueName will never conflict. + */ + function makeTempVariableName(flags, reservedInNestedScopes) { + if (flags && !(tempFlags & flags)) { + var name = flags === 268435456 /* TempFlags._i */ ? "_i" : "_n"; + if (isUniqueName(name)) { + tempFlags |= flags; + if (reservedInNestedScopes) { + reserveNameInNestedScopes(name); + } + return name; + } + } + while (true) { + var count = tempFlags & 268435455 /* TempFlags.CountMask */; + tempFlags++; + // Skip over 'i' and 'n' + if (count !== 8 && count !== 13) { + var name = count < 26 + ? "_" + String.fromCharCode(97 /* CharacterCodes.a */ + count) + : "_" + (count - 26); + if (isUniqueName(name)) { + if (reservedInNestedScopes) { + reserveNameInNestedScopes(name); + } + return name; + } + } + } + } + /** + * Generate a name that is unique within the current file and doesn't conflict with any names + * in global scope. The name is formed by adding an '_n' suffix to the specified base name, + * where n is a positive integer. Note that names generated by makeTempVariableName and + * makeUniqueName are guaranteed to never conflict. + * If `optimistic` is set, the first instance will use 'baseName' verbatim instead of 'baseName_1' + */ + function makeUniqueName(baseName, checkFn, optimistic, scoped) { + if (checkFn === void 0) { checkFn = isUniqueName; } + if (optimistic) { + if (checkFn(baseName)) { + if (scoped) { + reserveNameInNestedScopes(baseName); + } + else { + generatedNames.add(baseName); + } + return baseName; + } + } + // Find the first unique 'name_n', where n is a positive number + if (baseName.charCodeAt(baseName.length - 1) !== 95 /* CharacterCodes._ */) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (checkFn(generatedName)) { + if (scoped) { + reserveNameInNestedScopes(generatedName); + } + else { + generatedNames.add(generatedName); + } + return generatedName; + } + i++; + } + } + function makeFileLevelOptimisticUniqueName(name) { + return makeUniqueName(name, isFileLevelUniqueName, /*optimistic*/ true); + } + /** + * Generates a unique name for a ModuleDeclaration or EnumDeclaration. + */ + function generateNameForModuleOrEnum(node) { + var name = getTextOfNode(node.name); + // Use module/enum name itself if it is unique, otherwise make a unique variation + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + /** + * Generates a unique name for an ImportDeclaration or ExportDeclaration. + */ + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); // TODO: GH#18217 + var baseName = ts.isStringLiteral(expr) ? + ts.makeIdentifierFromModuleName(expr.text) : "module"; + return makeUniqueName(baseName); + } + /** + * Generates a unique name for a default export. + */ + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + /** + * Generates a unique name for a class expression. + */ + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForMethodOrAccessor(node) { + if (ts.isIdentifier(node.name)) { + return generateNameCached(node.name); + } + return makeTempVariableName(0 /* TempFlags.Auto */); + } + /** + * Generates a unique name from a node. + */ + function generateNameForNode(node, flags) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return makeUniqueName(getTextOfNode(node), isUniqueName, !!(flags & 16 /* GeneratedIdentifierFlags.Optimistic */), !!(flags & 8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */)); + case 261 /* SyntaxKind.ModuleDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + return generateNameForModuleOrEnum(node); + case 266 /* SyntaxKind.ImportDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + return generateNameForImportOrExportDeclaration(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 271 /* SyntaxKind.ExportAssignment */: + return generateNameForExportDefault(); + case 226 /* SyntaxKind.ClassExpression */: + return generateNameForClassExpression(); + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return generateNameForMethodOrAccessor(node); + case 162 /* SyntaxKind.ComputedPropertyName */: + return makeTempVariableName(0 /* TempFlags.Auto */, /*reserveInNestedScopes*/ true); + default: + return makeTempVariableName(0 /* TempFlags.Auto */); + } + } + /** + * Generates a unique identifier for a node. + */ + function makeName(name) { + switch (name.autoGenerateFlags & 7 /* GeneratedIdentifierFlags.KindMask */) { + case 1 /* GeneratedIdentifierFlags.Auto */: + return makeTempVariableName(0 /* TempFlags.Auto */, !!(name.autoGenerateFlags & 8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */)); + case 2 /* GeneratedIdentifierFlags.Loop */: + return makeTempVariableName(268435456 /* TempFlags._i */, !!(name.autoGenerateFlags & 8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */)); + case 3 /* GeneratedIdentifierFlags.Unique */: + return makeUniqueName(ts.idText(name), (name.autoGenerateFlags & 32 /* GeneratedIdentifierFlags.FileLevel */) ? isFileLevelUniqueName : isUniqueName, !!(name.autoGenerateFlags & 16 /* GeneratedIdentifierFlags.Optimistic */), !!(name.autoGenerateFlags & 8 /* GeneratedIdentifierFlags.ReservedInNestedScopes */)); + } + return ts.Debug.fail("Unsupported GeneratedIdentifierKind."); + } + /** + * Gets the node from which a name should be generated. + */ + function getNodeForGeneratedName(name) { + var autoGenerateId = name.autoGenerateId; + var node = name; + var original = node.original; + while (original) { + node = original; + // if "node" is a different generated name (having a different + // "autoGenerateId"), use it and stop traversing. + if (ts.isIdentifier(node) + && !!(node.autoGenerateFlags & 4 /* GeneratedIdentifierFlags.Node */) + && node.autoGenerateId !== autoGenerateId) { + break; + } + original = node.original; + } + // otherwise, return the original node for the source; + return node; + } + // Comments + function pipelineEmitWithComments(hint, node) { + var pipelinePhase = getNextPipelinePhase(2 /* PipelinePhase.Comments */, hint, node); + var savedContainerPos = containerPos; + var savedContainerEnd = containerEnd; + var savedDeclarationListContainerEnd = declarationListContainerEnd; + emitCommentsBeforeNode(node); + pipelinePhase(hint, node); + emitCommentsAfterNode(node, savedContainerPos, savedContainerEnd, savedDeclarationListContainerEnd); + } + function emitCommentsBeforeNode(node) { + var emitFlags = ts.getEmitFlags(node); + var commentRange = ts.getCommentRange(node); + // Emit leading comments + emitLeadingCommentsOfNode(node, emitFlags, commentRange.pos, commentRange.end); + if (emitFlags & 2048 /* EmitFlags.NoNestedComments */) { + commentsDisabled = true; + } + } + function emitCommentsAfterNode(node, savedContainerPos, savedContainerEnd, savedDeclarationListContainerEnd) { + var emitFlags = ts.getEmitFlags(node); + var commentRange = ts.getCommentRange(node); + // Emit trailing comments + if (emitFlags & 2048 /* EmitFlags.NoNestedComments */) { + commentsDisabled = false; + } + emitTrailingCommentsOfNode(node, emitFlags, commentRange.pos, commentRange.end, savedContainerPos, savedContainerEnd, savedDeclarationListContainerEnd); + var typeNode = ts.getTypeNode(node); + if (typeNode) { + emitTrailingCommentsOfNode(node, emitFlags, typeNode.pos, typeNode.end, savedContainerPos, savedContainerEnd, savedDeclarationListContainerEnd); + } + } + function emitLeadingCommentsOfNode(node, emitFlags, pos, end) { + enterComment(); + hasWrittenComment = false; + // We have to explicitly check that the node is JsxText because if the compilerOptions.jsx is "preserve" we will not do any transformation. + // It is expensive to walk entire tree just to set one kind of node to have no comments. + var skipLeadingComments = pos < 0 || (emitFlags & 512 /* EmitFlags.NoLeadingComments */) !== 0 || node.kind === 11 /* SyntaxKind.JsxText */; + var skipTrailingComments = end < 0 || (emitFlags & 1024 /* EmitFlags.NoTrailingComments */) !== 0 || node.kind === 11 /* SyntaxKind.JsxText */; + // Save current container state on the stack. + if ((pos > 0 || end > 0) && pos !== end) { + // Emit leading comments if the position is not synthesized and the node + // has not opted out from emitting leading comments. + if (!skipLeadingComments) { + emitLeadingComments(pos, /*isEmittedNode*/ node.kind !== 349 /* SyntaxKind.NotEmittedStatement */); + } + if (!skipLeadingComments || (pos >= 0 && (emitFlags & 512 /* EmitFlags.NoLeadingComments */) !== 0)) { + // Advance the container position if comments get emitted or if they've been disabled explicitly using NoLeadingComments. + containerPos = pos; + } + if (!skipTrailingComments || (end >= 0 && (emitFlags & 1024 /* EmitFlags.NoTrailingComments */) !== 0)) { + // As above. + containerEnd = end; + // To avoid invalid comment emit in a down-level binding pattern, we + // keep track of the last declaration list container's end + if (node.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + declarationListContainerEnd = end; + } + } + } + ts.forEach(ts.getSyntheticLeadingComments(node), emitLeadingSynthesizedComment); + exitComment(); + } + function emitTrailingCommentsOfNode(node, emitFlags, pos, end, savedContainerPos, savedContainerEnd, savedDeclarationListContainerEnd) { + enterComment(); + var skipTrailingComments = end < 0 || (emitFlags & 1024 /* EmitFlags.NoTrailingComments */) !== 0 || node.kind === 11 /* SyntaxKind.JsxText */; + ts.forEach(ts.getSyntheticTrailingComments(node), emitTrailingSynthesizedComment); + if ((pos > 0 || end > 0) && pos !== end) { + // Restore previous container state. + containerPos = savedContainerPos; + containerEnd = savedContainerEnd; + declarationListContainerEnd = savedDeclarationListContainerEnd; + // Emit trailing comments if the position is not synthesized and the node + // has not opted out from emitting leading comments and is an emitted node. + if (!skipTrailingComments && node.kind !== 349 /* SyntaxKind.NotEmittedStatement */) { + emitTrailingComments(end); + } + } + exitComment(); + } + function emitLeadingSynthesizedComment(comment) { + if (comment.hasLeadingNewline || comment.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */) { + writer.writeLine(); + } + writeSynthesizedComment(comment); + if (comment.hasTrailingNewLine || comment.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */) { + writer.writeLine(); + } + else { + writer.writeSpace(" "); + } + } + function emitTrailingSynthesizedComment(comment) { + if (!writer.isAtStartOfLine()) { + writer.writeSpace(" "); + } + writeSynthesizedComment(comment); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + } + function writeSynthesizedComment(comment) { + var text = formatSynthesizedComment(comment); + var lineMap = comment.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */ ? ts.computeLineStarts(text) : undefined; + ts.writeCommentRange(text, lineMap, writer, 0, text.length, newLine); + } + function formatSynthesizedComment(comment) { + return comment.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */ + ? "/*".concat(comment.text, "*/") + : "//".concat(comment.text); + } + function emitBodyWithDetachedComments(node, detachedRange, emitCallback) { + enterComment(); + var pos = detachedRange.pos, end = detachedRange.end; + var emitFlags = ts.getEmitFlags(node); + var skipLeadingComments = pos < 0 || (emitFlags & 512 /* EmitFlags.NoLeadingComments */) !== 0; + var skipTrailingComments = commentsDisabled || end < 0 || (emitFlags & 1024 /* EmitFlags.NoTrailingComments */) !== 0; + if (!skipLeadingComments) { + emitDetachedCommentsAndUpdateCommentsInfo(detachedRange); + } + exitComment(); + if (emitFlags & 2048 /* EmitFlags.NoNestedComments */ && !commentsDisabled) { + commentsDisabled = true; + emitCallback(node); + commentsDisabled = false; + } + else { + emitCallback(node); + } + enterComment(); + if (!skipTrailingComments) { + emitLeadingComments(detachedRange.end, /*isEmittedNode*/ true); + if (hasWrittenComment && !writer.isAtStartOfLine()) { + writer.writeLine(); + } + } + exitComment(); + } + function originalNodesHaveSameParent(nodeA, nodeB) { + nodeA = ts.getOriginalNode(nodeA); + // For performance, do not call `getOriginalNode` for `nodeB` if `nodeA` doesn't even + // have a parent node. + return nodeA.parent && nodeA.parent === ts.getOriginalNode(nodeB).parent; + } + function siblingNodePositionsAreComparable(previousNode, nextNode) { + if (nextNode.pos < previousNode.end) { + return false; + } + previousNode = ts.getOriginalNode(previousNode); + nextNode = ts.getOriginalNode(nextNode); + var parent = previousNode.parent; + if (!parent || parent !== nextNode.parent) { + return false; + } + var parentNodeArray = ts.getContainingNodeArray(previousNode); + var prevNodeIndex = parentNodeArray === null || parentNodeArray === void 0 ? void 0 : parentNodeArray.indexOf(previousNode); + return prevNodeIndex !== undefined && prevNodeIndex > -1 && parentNodeArray.indexOf(nextNode) === prevNodeIndex + 1; + } + function emitLeadingComments(pos, isEmittedNode) { + hasWrittenComment = false; + if (isEmittedNode) { + if (pos === 0 && (currentSourceFile === null || currentSourceFile === void 0 ? void 0 : currentSourceFile.isDeclarationFile)) { + forEachLeadingCommentToEmit(pos, emitNonTripleSlashLeadingComment); + } + else { + forEachLeadingCommentToEmit(pos, emitLeadingComment); + } + } + else if (pos === 0) { + // If the node will not be emitted in JS, remove all the comments(normal, pinned and ///) associated with the node, + // unless it is a triple slash comment at the top of the file. + // For Example: + // /// + // declare var x; + // /// + // interface F {} + // The first /// will NOT be removed while the second one will be removed even though both node will not be emitted + forEachLeadingCommentToEmit(pos, emitTripleSlashLeadingComment); + } + } + function emitTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { + if (isTripleSlashComment(commentPos, commentEnd)) { + emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos); + } + } + function emitNonTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { + if (!isTripleSlashComment(commentPos, commentEnd)) { + emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos); + } + } + function shouldWriteComment(text, pos) { + if (printerOptions.onlyPrintJsDocStyle) { + return (ts.isJSDocLikeText(text, pos) || ts.isPinnedComment(text, pos)); + } + return true; + } + function emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { + if (!currentSourceFile || !shouldWriteComment(currentSourceFile.text, commentPos)) + return; + if (!hasWrittenComment) { + ts.emitNewLineBeforeLeadingCommentOfPosition(getCurrentLineMap(), writer, rangePos, commentPos); + hasWrittenComment = true; + } + // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space + emitPos(commentPos); + ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); + } + else if (kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + writer.writeSpace(" "); + } + } + function emitLeadingCommentsOfPosition(pos) { + if (commentsDisabled || pos === -1) { + return; + } + emitLeadingComments(pos, /*isEmittedNode*/ true); + } + function emitTrailingComments(pos) { + forEachTrailingCommentToEmit(pos, emitTrailingComment); + } + function emitTrailingComment(commentPos, commentEnd, _kind, hasTrailingNewLine) { + if (!currentSourceFile || !shouldWriteComment(currentSourceFile.text, commentPos)) + return; + // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment2*/ + if (!writer.isAtStartOfLine()) { + writer.writeSpace(" "); + } + emitPos(commentPos); + ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); + } + } + function emitTrailingCommentsOfPosition(pos, prefixSpace, forceNoNewline) { + if (commentsDisabled) { + return; + } + enterComment(); + forEachTrailingCommentToEmit(pos, prefixSpace ? emitTrailingComment : forceNoNewline ? emitTrailingCommentOfPositionNoNewline : emitTrailingCommentOfPosition); + exitComment(); + } + function emitTrailingCommentOfPositionNoNewline(commentPos, commentEnd, kind) { + if (!currentSourceFile) + return; + // trailing comments of a position are emitted at /*trailing comment1 */space/*trailing comment*/space + emitPos(commentPos); + ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (kind === 2 /* SyntaxKind.SingleLineCommentTrivia */) { + writer.writeLine(); // still write a newline for single-line comments, so closing tokens aren't written on the same line + } + } + function emitTrailingCommentOfPosition(commentPos, commentEnd, _kind, hasTrailingNewLine) { + if (!currentSourceFile) + return; + // trailing comments of a position are emitted at /*trailing comment1 */space/*trailing comment*/space + emitPos(commentPos); + ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); + } + else { + writer.writeSpace(" "); + } + } + function forEachLeadingCommentToEmit(pos, cb) { + // Emit the leading comments only if the container's pos doesn't match because the container should take care of emitting these comments + if (currentSourceFile && (containerPos === -1 || pos !== containerPos)) { + if (hasDetachedComments(pos)) { + forEachLeadingCommentWithoutDetachedComments(cb); + } + else { + ts.forEachLeadingCommentRange(currentSourceFile.text, pos, cb, /*state*/ pos); + } + } + } + function forEachTrailingCommentToEmit(end, cb) { + // Emit the trailing comments only if the container's end doesn't match because the container should take care of emitting these comments + if (currentSourceFile && (containerEnd === -1 || (end !== containerEnd && end !== declarationListContainerEnd))) { + ts.forEachTrailingCommentRange(currentSourceFile.text, end, cb); + } + } + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.last(detachedCommentsInfo).nodePos === pos; + } + function forEachLeadingCommentWithoutDetachedComments(cb) { + if (!currentSourceFile) + return; + // get the leading comments from detachedPos + var pos = ts.last(detachedCommentsInfo).detachedCommentEndPos; + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); + } + else { + detachedCommentsInfo = undefined; + } + ts.forEachLeadingCommentRange(currentSourceFile.text, pos, cb, /*state*/ pos); + } + function emitDetachedCommentsAndUpdateCommentsInfo(range) { + var currentDetachedCommentInfo = currentSourceFile && ts.emitDetachedComments(currentSourceFile.text, getCurrentLineMap(), writer, emitComment, range, newLine, commentsDisabled); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); + } + else { + detachedCommentsInfo = [currentDetachedCommentInfo]; + } + } + } + function emitComment(text, lineMap, writer, commentPos, commentEnd, newLine) { + if (!currentSourceFile || !shouldWriteComment(currentSourceFile.text, commentPos)) + return; + emitPos(commentPos); + ts.writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + } + /** + * Determine if the given comment is a triple-slash + * + * @return true if the comment is a triple-slash comment else false + */ + function isTripleSlashComment(commentPos, commentEnd) { + return !!currentSourceFile && ts.isRecognizedTripleSlashComment(currentSourceFile.text, commentPos, commentEnd); + } + // Source Maps + function getParsedSourceMap(node) { + if (node.parsedSourceMap === undefined && node.sourceMapText !== undefined) { + node.parsedSourceMap = ts.tryParseRawSourceMap(node.sourceMapText) || false; + } + return node.parsedSourceMap || undefined; + } + function pipelineEmitWithSourceMaps(hint, node) { + var pipelinePhase = getNextPipelinePhase(3 /* PipelinePhase.SourceMaps */, hint, node); + emitSourceMapsBeforeNode(node); + pipelinePhase(hint, node); + emitSourceMapsAfterNode(node); + } + function emitSourceMapsBeforeNode(node) { + var emitFlags = ts.getEmitFlags(node); + var sourceMapRange = ts.getSourceMapRange(node); + // Emit leading sourcemap + if (ts.isUnparsedNode(node)) { + ts.Debug.assertIsDefined(node.parent, "UnparsedNodes must have parent pointers"); + var parsed = getParsedSourceMap(node.parent); + if (parsed && sourceMapGenerator) { + sourceMapGenerator.appendSourceMap(writer.getLine(), writer.getColumn(), parsed, node.parent.sourceMapPath, node.parent.getLineAndCharacterOfPosition(node.pos), node.parent.getLineAndCharacterOfPosition(node.end)); + } + } + else { + var source = sourceMapRange.source || sourceMapSource; + if (node.kind !== 349 /* SyntaxKind.NotEmittedStatement */ + && (emitFlags & 16 /* EmitFlags.NoLeadingSourceMap */) === 0 + && sourceMapRange.pos >= 0) { + emitSourcePos(sourceMapRange.source || sourceMapSource, skipSourceTrivia(source, sourceMapRange.pos)); + } + if (emitFlags & 64 /* EmitFlags.NoNestedSourceMaps */) { + sourceMapsDisabled = true; + } + } + } + function emitSourceMapsAfterNode(node) { + var emitFlags = ts.getEmitFlags(node); + var sourceMapRange = ts.getSourceMapRange(node); + // Emit trailing sourcemap + if (!ts.isUnparsedNode(node)) { + if (emitFlags & 64 /* EmitFlags.NoNestedSourceMaps */) { + sourceMapsDisabled = false; + } + if (node.kind !== 349 /* SyntaxKind.NotEmittedStatement */ + && (emitFlags & 32 /* EmitFlags.NoTrailingSourceMap */) === 0 + && sourceMapRange.end >= 0) { + emitSourcePos(sourceMapRange.source || sourceMapSource, sourceMapRange.end); + } + } + } + /** + * Skips trivia such as comments and white-space that can be optionally overridden by the source-map source + */ + function skipSourceTrivia(source, pos) { + return source.skipTrivia ? source.skipTrivia(pos) : ts.skipTrivia(source.text, pos); + } + /** + * Emits a mapping. + * + * If the position is synthetic (undefined or a negative value), no mapping will be + * created. + * + * @param pos The position. + */ + function emitPos(pos) { + if (sourceMapsDisabled || ts.positionIsSynthesized(pos) || isJsonSourceMapSource(sourceMapSource)) { + return; + } + var _a = ts.getLineAndCharacterOfPosition(sourceMapSource, pos), sourceLine = _a.line, sourceCharacter = _a.character; + sourceMapGenerator.addMapping(writer.getLine(), writer.getColumn(), sourceMapSourceIndex, sourceLine, sourceCharacter, + /*nameIndex*/ undefined); + } + function emitSourcePos(source, pos) { + if (source !== sourceMapSource) { + var savedSourceMapSource = sourceMapSource; + var savedSourceMapSourceIndex = sourceMapSourceIndex; + setSourceMapSource(source); + emitPos(pos); + resetSourceMapSource(savedSourceMapSource, savedSourceMapSourceIndex); + } + else { + emitPos(pos); + } + } + /** + * Emits a token of a node with possible leading and trailing source maps. + * + * @param node The node containing the token. + * @param token The token to emit. + * @param tokenStartPos The start pos of the token. + * @param emitCallback The callback used to emit the token. + */ + function emitTokenWithSourceMap(node, token, writer, tokenPos, emitCallback) { + if (sourceMapsDisabled || node && ts.isInJsonFile(node)) { + return emitCallback(token, writer, tokenPos); + } + var emitNode = node && node.emitNode; + var emitFlags = emitNode && emitNode.flags || 0 /* EmitFlags.None */; + var range = emitNode && emitNode.tokenSourceMapRanges && emitNode.tokenSourceMapRanges[token]; + var source = range && range.source || sourceMapSource; + tokenPos = skipSourceTrivia(source, range ? range.pos : tokenPos); + if ((emitFlags & 128 /* EmitFlags.NoTokenLeadingSourceMaps */) === 0 && tokenPos >= 0) { + emitSourcePos(source, tokenPos); + } + tokenPos = emitCallback(token, writer, tokenPos); + if (range) + tokenPos = range.end; + if ((emitFlags & 256 /* EmitFlags.NoTokenTrailingSourceMaps */) === 0 && tokenPos >= 0) { + emitSourcePos(source, tokenPos); + } + return tokenPos; + } + function setSourceMapSource(source) { + if (sourceMapsDisabled) { + return; + } + sourceMapSource = source; + if (source === mostRecentlyAddedSourceMapSource) { + // Fast path for when the new source map is the most recently added, in which case + // we use its captured index without going through the source map generator. + sourceMapSourceIndex = mostRecentlyAddedSourceMapSourceIndex; + return; + } + if (isJsonSourceMapSource(source)) { + return; + } + sourceMapSourceIndex = sourceMapGenerator.addSource(source.fileName); + if (printerOptions.inlineSources) { + sourceMapGenerator.setSourceContent(sourceMapSourceIndex, source.text); + } + mostRecentlyAddedSourceMapSource = source; + mostRecentlyAddedSourceMapSourceIndex = sourceMapSourceIndex; + } + function resetSourceMapSource(source, sourceIndex) { + sourceMapSource = source; + sourceMapSourceIndex = sourceIndex; + } + function isJsonSourceMapSource(sourceFile) { + return ts.fileExtensionIs(sourceFile.fileName, ".json" /* Extension.Json */); + } + } + ts.createPrinter = createPrinter; + function createBracketsMap() { + var brackets = []; + brackets[1024 /* ListFormat.Braces */] = ["{", "}"]; + brackets[2048 /* ListFormat.Parenthesis */] = ["(", ")"]; + brackets[4096 /* ListFormat.AngleBrackets */] = ["<", ">"]; + brackets[8192 /* ListFormat.SquareBrackets */] = ["[", "]"]; + return brackets; + } + function getOpeningBracket(format) { + return brackets[format & 15360 /* ListFormat.BracketsMask */][0]; + } + function getClosingBracket(format) { + return brackets[format & 15360 /* ListFormat.BracketsMask */][1]; + } + // Flags enum to track count of temp variables and a few dedicated names + var TempFlags; + (function (TempFlags) { + TempFlags[TempFlags["Auto"] = 0] = "Auto"; + TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; + TempFlags[TempFlags["_i"] = 268435456] = "_i"; + })(TempFlags || (TempFlags = {})); + function emitListItemNoParenthesizer(node, emit, _parenthesizerRule, _index) { + emit(node); + } + function emitListItemWithParenthesizerRuleSelector(node, emit, parenthesizerRuleSelector, index) { + emit(node, parenthesizerRuleSelector.select(index)); + } + function emitListItemWithParenthesizerRule(node, emit, parenthesizerRule, _index) { + emit(node, parenthesizerRule); + } + function getEmitListItem(emit, parenthesizerRule) { + return emit.length === 1 ? emitListItemNoParenthesizer : + typeof parenthesizerRule === "object" ? emitListItemWithParenthesizerRuleSelector : + emitListItemWithParenthesizerRule; + } +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + function createCachedDirectoryStructureHost(host, currentDirectory, useCaseSensitiveFileNames) { + if (!host.getDirectories || !host.readDirectory) { + return undefined; + } + var cachedReadDirectoryResult = new ts.Map(); + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames); + return { + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + fileExists: fileExists, + readFile: function (path, encoding) { return host.readFile(path, encoding); }, + directoryExists: host.directoryExists && directoryExists, + getDirectories: getDirectories, + readDirectory: readDirectory, + createDirectory: host.createDirectory && createDirectory, + writeFile: host.writeFile && writeFile, + addOrDeleteFileOrDirectory: addOrDeleteFileOrDirectory, + addOrDeleteFile: addOrDeleteFile, + clearCache: clearCache, + realpath: host.realpath && realpath + }; + function toPath(fileName) { + return ts.toPath(fileName, currentDirectory, getCanonicalFileName); + } + function getCachedFileSystemEntries(rootDirPath) { + return cachedReadDirectoryResult.get(ts.ensureTrailingDirectorySeparator(rootDirPath)); + } + function getCachedFileSystemEntriesForBaseDir(path) { + return getCachedFileSystemEntries(ts.getDirectoryPath(path)); + } + function getBaseNameOfFileName(fileName) { + return ts.getBaseFileName(ts.normalizePath(fileName)); + } + function createCachedFileSystemEntries(rootDir, rootDirPath) { + var _a; + if (!host.realpath || ts.ensureTrailingDirectorySeparator(toPath(host.realpath(rootDir))) === rootDirPath) { + var resultFromHost = { + files: ts.map(host.readDirectory(rootDir, /*extensions*/ undefined, /*exclude*/ undefined, /*include*/ ["*.*"]), getBaseNameOfFileName) || [], + directories: host.getDirectories(rootDir) || [] + }; + cachedReadDirectoryResult.set(ts.ensureTrailingDirectorySeparator(rootDirPath), resultFromHost); + return resultFromHost; + } + // If the directory is symlink do not cache the result + if ((_a = host.directoryExists) === null || _a === void 0 ? void 0 : _a.call(host, rootDir)) { + cachedReadDirectoryResult.set(rootDirPath, false); + return false; + } + // Non existing directory + return undefined; + } + /** + * If the readDirectory result was already cached, it returns that + * Otherwise gets result from host and caches it. + * The host request is done under try catch block to avoid caching incorrect result + */ + function tryReadDirectory(rootDir, rootDirPath) { + rootDirPath = ts.ensureTrailingDirectorySeparator(rootDirPath); + var cachedResult = getCachedFileSystemEntries(rootDirPath); + if (cachedResult) { + return cachedResult; + } + try { + return createCachedFileSystemEntries(rootDir, rootDirPath); + } + catch (_e) { + // If there is exception to read directories, dont cache the result and direct the calls to host + ts.Debug.assert(!cachedReadDirectoryResult.has(ts.ensureTrailingDirectorySeparator(rootDirPath))); + return undefined; + } + } + function fileNameEqual(name1, name2) { + return getCanonicalFileName(name1) === getCanonicalFileName(name2); + } + function hasEntry(entries, name) { + return ts.some(entries, function (file) { return fileNameEqual(file, name); }); + } + function updateFileSystemEntry(entries, baseName, isValid) { + if (hasEntry(entries, baseName)) { + if (!isValid) { + return ts.filterMutate(entries, function (entry) { return !fileNameEqual(entry, baseName); }); + } + } + else if (isValid) { + return entries.push(baseName); + } + } + function writeFile(fileName, data, writeByteOrderMark) { + var path = toPath(fileName); + var result = getCachedFileSystemEntriesForBaseDir(path); + if (result) { + updateFilesOfFileSystemEntry(result, getBaseNameOfFileName(fileName), /*fileExists*/ true); + } + return host.writeFile(fileName, data, writeByteOrderMark); + } + function fileExists(fileName) { + var path = toPath(fileName); + var result = getCachedFileSystemEntriesForBaseDir(path); + return result && hasEntry(result.files, getBaseNameOfFileName(fileName)) || + host.fileExists(fileName); + } + function directoryExists(dirPath) { + var path = toPath(dirPath); + return cachedReadDirectoryResult.has(ts.ensureTrailingDirectorySeparator(path)) || host.directoryExists(dirPath); + } + function createDirectory(dirPath) { + var path = toPath(dirPath); + var result = getCachedFileSystemEntriesForBaseDir(path); + var baseFileName = getBaseNameOfFileName(dirPath); + if (result) { + updateFileSystemEntry(result.directories, baseFileName, /*isValid*/ true); + } + host.createDirectory(dirPath); + } + function getDirectories(rootDir) { + var rootDirPath = toPath(rootDir); + var result = tryReadDirectory(rootDir, rootDirPath); + if (result) { + return result.directories.slice(); + } + return host.getDirectories(rootDir); + } + function readDirectory(rootDir, extensions, excludes, includes, depth) { + var rootDirPath = toPath(rootDir); + var rootResult = tryReadDirectory(rootDir, rootDirPath); + var rootSymLinkResult; + if (rootResult !== undefined) { + return ts.matchFiles(rootDir, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, depth, getFileSystemEntries, realpath); + } + return host.readDirectory(rootDir, extensions, excludes, includes, depth); + function getFileSystemEntries(dir) { + var path = toPath(dir); + if (path === rootDirPath) { + return rootResult || getFileSystemEntriesFromHost(dir, path); + } + var result = tryReadDirectory(dir, path); + return result !== undefined ? + result || getFileSystemEntriesFromHost(dir, path) : + ts.emptyFileSystemEntries; + } + function getFileSystemEntriesFromHost(dir, path) { + if (rootSymLinkResult && path === rootDirPath) + return rootSymLinkResult; + var result = { + files: ts.map(host.readDirectory(dir, /*extensions*/ undefined, /*exclude*/ undefined, /*include*/ ["*.*"]), getBaseNameOfFileName) || ts.emptyArray, + directories: host.getDirectories(dir) || ts.emptyArray + }; + if (path === rootDirPath) + rootSymLinkResult = result; + return result; + } + } + function realpath(s) { + return host.realpath ? host.realpath(s) : s; + } + function addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath) { + var existingResult = getCachedFileSystemEntries(fileOrDirectoryPath); + if (existingResult !== undefined) { + // Just clear the cache for now + // For now just clear the cache, since this could mean that multiple level entries might need to be re-evaluated + clearCache(); + return undefined; + } + var parentResult = getCachedFileSystemEntriesForBaseDir(fileOrDirectoryPath); + if (!parentResult) { + return undefined; + } + // This was earlier a file (hence not in cached directory contents) + // or we never cached the directory containing it + if (!host.directoryExists) { + // Since host doesnt support directory exists, clear the cache as otherwise it might not be same + clearCache(); + return undefined; + } + var baseName = getBaseNameOfFileName(fileOrDirectory); + var fsQueryResult = { + fileExists: host.fileExists(fileOrDirectoryPath), + directoryExists: host.directoryExists(fileOrDirectoryPath) + }; + if (fsQueryResult.directoryExists || hasEntry(parentResult.directories, baseName)) { + // Folder added or removed, clear the cache instead of updating the folder and its structure + clearCache(); + } + else { + // No need to update the directory structure, just files + updateFilesOfFileSystemEntry(parentResult, baseName, fsQueryResult.fileExists); + } + return fsQueryResult; + } + function addOrDeleteFile(fileName, filePath, eventKind) { + if (eventKind === ts.FileWatcherEventKind.Changed) { + return; + } + var parentResult = getCachedFileSystemEntriesForBaseDir(filePath); + if (parentResult) { + updateFilesOfFileSystemEntry(parentResult, getBaseNameOfFileName(fileName), eventKind === ts.FileWatcherEventKind.Created); + } + } + function updateFilesOfFileSystemEntry(parentResult, baseName, fileExists) { + updateFileSystemEntry(parentResult.files, baseName, fileExists); + } + function clearCache() { + cachedReadDirectoryResult.clear(); + } + } + ts.createCachedDirectoryStructureHost = createCachedDirectoryStructureHost; + var ConfigFileProgramReloadLevel; + (function (ConfigFileProgramReloadLevel) { + ConfigFileProgramReloadLevel[ConfigFileProgramReloadLevel["None"] = 0] = "None"; + /** Update the file name list from the disk */ + ConfigFileProgramReloadLevel[ConfigFileProgramReloadLevel["Partial"] = 1] = "Partial"; + /** Reload completely by re-reading contents of config file from disk and updating program */ + ConfigFileProgramReloadLevel[ConfigFileProgramReloadLevel["Full"] = 2] = "Full"; + })(ConfigFileProgramReloadLevel = ts.ConfigFileProgramReloadLevel || (ts.ConfigFileProgramReloadLevel = {})); + /** + * Updates the map of shared extended config file watches with a new set of extended config files from a base config file of the project + */ + function updateSharedExtendedConfigFileWatcher(projectPath, options, extendedConfigFilesMap, createExtendedConfigFileWatch, toPath) { + var _a; + var extendedConfigs = ts.arrayToMap(((_a = options === null || options === void 0 ? void 0 : options.configFile) === null || _a === void 0 ? void 0 : _a.extendedSourceFiles) || ts.emptyArray, toPath); + // remove project from all unrelated watchers + extendedConfigFilesMap.forEach(function (watcher, extendedConfigFilePath) { + if (!extendedConfigs.has(extendedConfigFilePath)) { + watcher.projects.delete(projectPath); + watcher.close(); + } + }); + // Update the extended config files watcher + extendedConfigs.forEach(function (extendedConfigFileName, extendedConfigFilePath) { + var existing = extendedConfigFilesMap.get(extendedConfigFilePath); + if (existing) { + existing.projects.add(projectPath); + } + else { + // start watching previously unseen extended config + extendedConfigFilesMap.set(extendedConfigFilePath, { + projects: new ts.Set([projectPath]), + watcher: createExtendedConfigFileWatch(extendedConfigFileName, extendedConfigFilePath), + close: function () { + var existing = extendedConfigFilesMap.get(extendedConfigFilePath); + if (!existing || existing.projects.size !== 0) + return; + existing.watcher.close(); + extendedConfigFilesMap.delete(extendedConfigFilePath); + }, + }); + } + }); + } + ts.updateSharedExtendedConfigFileWatcher = updateSharedExtendedConfigFileWatcher; + /** + * Remove the project from the extended config file watchers and close not needed watches + */ + function clearSharedExtendedConfigFileWatcher(projectPath, extendedConfigFilesMap) { + extendedConfigFilesMap.forEach(function (watcher) { + if (watcher.projects.delete(projectPath)) + watcher.close(); + }); + } + ts.clearSharedExtendedConfigFileWatcher = clearSharedExtendedConfigFileWatcher; + /** + * Clean the extendsConfigCache when extended config file has changed + */ + function cleanExtendedConfigCache(extendedConfigCache, extendedConfigFilePath, toPath) { + if (!extendedConfigCache.delete(extendedConfigFilePath)) + return; + extendedConfigCache.forEach(function (_a, key) { + var _b; + var extendedResult = _a.extendedResult; + if ((_b = extendedResult.extendedSourceFiles) === null || _b === void 0 ? void 0 : _b.some(function (extendedFile) { return toPath(extendedFile) === extendedConfigFilePath; })) { + cleanExtendedConfigCache(extendedConfigCache, key, toPath); + } + }); + } + ts.cleanExtendedConfigCache = cleanExtendedConfigCache; + /** + * Updates watchers based on the package json files used in module resolution + */ + function updatePackageJsonWatch(lookups, packageJsonWatches, createPackageJsonWatch) { + var newMap = new ts.Map(lookups); + ts.mutateMap(packageJsonWatches, newMap, { + createNewValue: createPackageJsonWatch, + onDeleteValue: ts.closeFileWatcher + }); + } + ts.updatePackageJsonWatch = updatePackageJsonWatch; + /** + * Updates the existing missing file watches with the new set of missing files after new program is created + */ + function updateMissingFilePathsWatch(program, missingFileWatches, createMissingFileWatch) { + var missingFilePaths = program.getMissingFilePaths(); + // TODO(rbuckton): Should be a `Set` but that requires changing the below code that uses `mutateMap` + var newMissingFilePathMap = ts.arrayToMap(missingFilePaths, ts.identity, ts.returnTrue); + // Update the missing file paths watcher + ts.mutateMap(missingFileWatches, newMissingFilePathMap, { + // Watch the missing files + createNewValue: createMissingFileWatch, + // Files that are no longer missing (e.g. because they are no longer required) + // should no longer be watched. + onDeleteValue: ts.closeFileWatcher + }); + } + ts.updateMissingFilePathsWatch = updateMissingFilePathsWatch; + /** + * Updates the existing wild card directory watches with the new set of wild card directories from the config file + * after new program is created because the config file was reloaded or program was created first time from the config file + * Note that there is no need to call this function when the program is updated with additional files without reloading config files, + * as wildcard directories wont change unless reloading config file + */ + function updateWatchingWildcardDirectories(existingWatchedForWildcards, wildcardDirectories, watchDirectory) { + ts.mutateMap(existingWatchedForWildcards, wildcardDirectories, { + // Create new watch and recursive info + createNewValue: createWildcardDirectoryWatcher, + // Close existing watch thats not needed any more + onDeleteValue: closeFileWatcherOf, + // Close existing watch that doesnt match in the flags + onExistingValue: updateWildcardDirectoryWatcher + }); + function createWildcardDirectoryWatcher(directory, flags) { + // Create new watch and recursive info + return { + watcher: watchDirectory(directory, flags), + flags: flags + }; + } + function updateWildcardDirectoryWatcher(existingWatcher, flags, directory) { + // Watcher needs to be updated if the recursive flags dont match + if (existingWatcher.flags === flags) { + return; + } + existingWatcher.watcher.close(); + existingWatchedForWildcards.set(directory, createWildcardDirectoryWatcher(directory, flags)); + } + } + ts.updateWatchingWildcardDirectories = updateWatchingWildcardDirectories; + /* @internal */ + function isIgnoredFileFromWildCardWatching(_a) { + var watchedDirPath = _a.watchedDirPath, fileOrDirectory = _a.fileOrDirectory, fileOrDirectoryPath = _a.fileOrDirectoryPath, configFileName = _a.configFileName, options = _a.options, program = _a.program, extraFileExtensions = _a.extraFileExtensions, currentDirectory = _a.currentDirectory, useCaseSensitiveFileNames = _a.useCaseSensitiveFileNames, writeLog = _a.writeLog, toPath = _a.toPath; + var newPath = ts.removeIgnoredPath(fileOrDirectoryPath); + if (!newPath) { + writeLog("Project: ".concat(configFileName, " Detected ignored path: ").concat(fileOrDirectory)); + return true; + } + fileOrDirectoryPath = newPath; + if (fileOrDirectoryPath === watchedDirPath) + return false; + // If the the added or created file or directory is not supported file name, ignore the file + // But when watched directory is added/removed, we need to reload the file list + if (ts.hasExtension(fileOrDirectoryPath) && !ts.isSupportedSourceFileName(fileOrDirectory, options, extraFileExtensions)) { + writeLog("Project: ".concat(configFileName, " Detected file add/remove of non supported extension: ").concat(fileOrDirectory)); + return true; + } + if (ts.isExcludedFile(fileOrDirectory, options.configFile.configFileSpecs, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), currentDirectory), useCaseSensitiveFileNames, currentDirectory)) { + writeLog("Project: ".concat(configFileName, " Detected excluded file: ").concat(fileOrDirectory)); + return true; + } + if (!program) + return false; + // We want to ignore emit file check if file is not going to be emitted next to source file + // In that case we follow config file inclusion rules + if (ts.outFile(options) || options.outDir) + return false; + // File if emitted next to input needs to be ignored + if (ts.isDeclarationFileName(fileOrDirectoryPath)) { + // If its declaration directory: its not ignored if not excluded by config + if (options.declarationDir) + return false; + } + else if (!ts.fileExtensionIsOneOf(fileOrDirectoryPath, ts.supportedJSExtensionsFlat)) { + return false; + } + // just check if sourceFile with the name exists + var filePathWithoutExtension = ts.removeFileExtension(fileOrDirectoryPath); + var realProgram = ts.isArray(program) ? undefined : isBuilderProgram(program) ? program.getProgramOrUndefined() : program; + var builderProgram = !realProgram && !ts.isArray(program) ? program : undefined; + if (hasSourceFile((filePathWithoutExtension + ".ts" /* Extension.Ts */)) || + hasSourceFile((filePathWithoutExtension + ".tsx" /* Extension.Tsx */))) { + writeLog("Project: ".concat(configFileName, " Detected output file: ").concat(fileOrDirectory)); + return true; + } + return false; + function hasSourceFile(file) { + return realProgram ? + !!realProgram.getSourceFileByPath(file) : + builderProgram ? + builderProgram.getState().fileInfos.has(file) : + !!ts.find(program, function (rootFile) { return toPath(rootFile) === file; }); + } + } + ts.isIgnoredFileFromWildCardWatching = isIgnoredFileFromWildCardWatching; + function isBuilderProgram(program) { + return !!program.getState; + } + function isEmittedFileOfProgram(program, file) { + if (!program) { + return false; + } + return program.isEmittedFile(file); + } + ts.isEmittedFileOfProgram = isEmittedFileOfProgram; + var WatchLogLevel; + (function (WatchLogLevel) { + WatchLogLevel[WatchLogLevel["None"] = 0] = "None"; + WatchLogLevel[WatchLogLevel["TriggerOnly"] = 1] = "TriggerOnly"; + WatchLogLevel[WatchLogLevel["Verbose"] = 2] = "Verbose"; + })(WatchLogLevel = ts.WatchLogLevel || (ts.WatchLogLevel = {})); + function getWatchFactory(host, watchLogLevel, log, getDetailWatchInfo) { + ts.setSysLog(watchLogLevel === WatchLogLevel.Verbose ? log : ts.noop); + var plainInvokeFactory = { + watchFile: function (file, callback, pollingInterval, options) { return host.watchFile(file, callback, pollingInterval, options); }, + watchDirectory: function (directory, callback, flags, options) { return host.watchDirectory(directory, callback, (flags & 1 /* WatchDirectoryFlags.Recursive */) !== 0, options); }, + }; + var triggerInvokingFactory = watchLogLevel !== WatchLogLevel.None ? + { + watchFile: createTriggerLoggingAddWatch("watchFile"), + watchDirectory: createTriggerLoggingAddWatch("watchDirectory") + } : + undefined; + var factory = watchLogLevel === WatchLogLevel.Verbose ? + { + watchFile: createFileWatcherWithLogging, + watchDirectory: createDirectoryWatcherWithLogging + } : + triggerInvokingFactory || plainInvokeFactory; + var excludeWatcherFactory = watchLogLevel === WatchLogLevel.Verbose ? + createExcludeWatcherWithLogging : + ts.returnNoopFileWatcher; + return { + watchFile: createExcludeHandlingAddWatch("watchFile"), + watchDirectory: createExcludeHandlingAddWatch("watchDirectory") + }; + function createExcludeHandlingAddWatch(key) { + return function (file, cb, flags, options, detailInfo1, detailInfo2) { + var _a; + return !ts.matchesExclude(file, key === "watchFile" ? options === null || options === void 0 ? void 0 : options.excludeFiles : options === null || options === void 0 ? void 0 : options.excludeDirectories, useCaseSensitiveFileNames(), ((_a = host.getCurrentDirectory) === null || _a === void 0 ? void 0 : _a.call(host)) || "") ? + factory[key].call(/*thisArgs*/ undefined, file, cb, flags, options, detailInfo1, detailInfo2) : + excludeWatcherFactory(file, flags, options, detailInfo1, detailInfo2); + }; + } + function useCaseSensitiveFileNames() { + return typeof host.useCaseSensitiveFileNames === "boolean" ? + host.useCaseSensitiveFileNames : + host.useCaseSensitiveFileNames(); + } + function createExcludeWatcherWithLogging(file, flags, options, detailInfo1, detailInfo2) { + log("ExcludeWatcher:: Added:: ".concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo))); + return { + close: function () { return log("ExcludeWatcher:: Close:: ".concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo))); } + }; + } + function createFileWatcherWithLogging(file, cb, flags, options, detailInfo1, detailInfo2) { + log("FileWatcher:: Added:: ".concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo))); + var watcher = triggerInvokingFactory.watchFile(file, cb, flags, options, detailInfo1, detailInfo2); + return { + close: function () { + log("FileWatcher:: Close:: ".concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo))); + watcher.close(); + } + }; + } + function createDirectoryWatcherWithLogging(file, cb, flags, options, detailInfo1, detailInfo2) { + var watchInfo = "DirectoryWatcher:: Added:: ".concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo)); + log(watchInfo); + var start = ts.timestamp(); + var watcher = triggerInvokingFactory.watchDirectory(file, cb, flags, options, detailInfo1, detailInfo2); + var elapsed = ts.timestamp() - start; + log("Elapsed:: ".concat(elapsed, "ms ").concat(watchInfo)); + return { + close: function () { + var watchInfo = "DirectoryWatcher:: Close:: ".concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo)); + log(watchInfo); + var start = ts.timestamp(); + watcher.close(); + var elapsed = ts.timestamp() - start; + log("Elapsed:: ".concat(elapsed, "ms ").concat(watchInfo)); + } + }; + } + function createTriggerLoggingAddWatch(key) { + return function (file, cb, flags, options, detailInfo1, detailInfo2) { return plainInvokeFactory[key].call(/*thisArgs*/ undefined, file, function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + var triggerredInfo = "".concat(key === "watchFile" ? "FileWatcher" : "DirectoryWatcher", ":: Triggered with ").concat(args[0], " ").concat(args[1] !== undefined ? args[1] : "", ":: ").concat(getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo)); + log(triggerredInfo); + var start = ts.timestamp(); + cb.call.apply(cb, __spreadArray([/*thisArg*/ undefined], args, false)); + var elapsed = ts.timestamp() - start; + log("Elapsed:: ".concat(elapsed, "ms ").concat(triggerredInfo)); + }, flags, options, detailInfo1, detailInfo2); }; + } + function getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo) { + return "WatchInfo: ".concat(file, " ").concat(flags, " ").concat(JSON.stringify(options), " ").concat(getDetailWatchInfo ? getDetailWatchInfo(detailInfo1, detailInfo2) : detailInfo2 === undefined ? detailInfo1 : "".concat(detailInfo1, " ").concat(detailInfo2)); + } + } + ts.getWatchFactory = getWatchFactory; + function getFallbackOptions(options) { + var fallbackPolling = options === null || options === void 0 ? void 0 : options.fallbackPolling; + return { + watchFile: fallbackPolling !== undefined ? + fallbackPolling : + ts.WatchFileKind.PriorityPollingInterval + }; + } + ts.getFallbackOptions = getFallbackOptions; + function closeFileWatcherOf(objWithWatcher) { + objWithWatcher.watcher.close(); + } + ts.closeFileWatcherOf = closeFileWatcherOf; +})(ts || (ts = {})); +var ts; +(function (ts) { + function findConfigFile(searchPath, fileExists, configName) { + if (configName === void 0) { configName = "tsconfig.json"; } + return ts.forEachAncestorDirectory(searchPath, function (ancestor) { + var fileName = ts.combinePaths(ancestor, configName); + return fileExists(fileName) ? fileName : undefined; + }); + } + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); + } + ts.resolveTripleslashReference = resolveTripleslashReference; + /* @internal */ + function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) { + var commonPathComponents; + var failed = ts.forEach(fileNames, function (sourceFile) { + // Each file contributes into common source file path + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory); + sourcePathComponents.pop(); // The base file name is not part of the common directory path + if (!commonPathComponents) { + // first file + commonPathComponents = sourcePathComponents; + return; + } + var n = Math.min(commonPathComponents.length, sourcePathComponents.length); + for (var i = 0; i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + // Failed to find any common path component + return true; + } + // New common path found that is 0 -> i-1 + commonPathComponents.length = i; + break; + } + } + // If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + // A common path can not be found when paths span multiple drives on windows, for example + if (failed) { + return ""; + } + if (!commonPathComponents) { // Can happen when all input files are .d.ts files + return currentDirectory; + } + return ts.getPathFromPathComponents(commonPathComponents); + } + ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames; + function createCompilerHost(options, setParentNodes) { + return createCompilerHostWorker(options, setParentNodes); + } + ts.createCompilerHost = createCompilerHost; + /*@internal*/ + // TODO(shkamat): update this after reworking ts build API + function createCompilerHostWorker(options, setParentNodes, system) { + if (system === void 0) { system = ts.sys; } + var existingDirectories = new ts.Map(); + var getCanonicalFileName = ts.createGetCanonicalFileName(system.useCaseSensitiveFileNames); + var computeHash = ts.maybeBind(system, system.createHash) || ts.generateDjb2Hash; + function getSourceFile(fileName, languageVersionOrOptions, onError) { + var text; + try { + ts.performance.mark("beforeIORead"); + text = compilerHost.readFile(fileName); + ts.performance.mark("afterIORead"); + ts.performance.measure("I/O Read", "beforeIORead", "afterIORead"); + } + catch (e) { + if (onError) { + onError(e.message); + } + text = ""; + } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersionOrOptions, setParentNodes) : undefined; + } + function directoryExists(directoryPath) { + if (existingDirectories.has(directoryPath)) { + return true; + } + if ((compilerHost.directoryExists || system.directoryExists)(directoryPath)) { + existingDirectories.set(directoryPath, true); + return true; + } + return false; + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + ts.performance.mark("beforeIOWrite"); + // NOTE: If patchWriteFileEnsuringDirectory has been called, + // the system.writeFile will do its own directory creation and + // the ensureDirectoriesExist call will always be redundant. + ts.writeFileEnsuringDirectories(fileName, data, writeByteOrderMark, function (path, data, writeByteOrderMark) { return writeFileWorker(path, data, writeByteOrderMark); }, function (path) { return (compilerHost.createDirectory || system.createDirectory)(path); }, function (path) { return directoryExists(path); }); + ts.performance.mark("afterIOWrite"); + ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + var outputFingerprints; + function writeFileWorker(fileName, data, writeByteOrderMark) { + if (!ts.isWatchSet(options) || !system.getModifiedTime) { + system.writeFile(fileName, data, writeByteOrderMark); + return; + } + if (!outputFingerprints) { + outputFingerprints = new ts.Map(); + } + var hash = computeHash(data); + var mtimeBefore = system.getModifiedTime(fileName); + if (mtimeBefore) { + var fingerprint = outputFingerprints.get(fileName); + // If output has not been changed, and the file has no external modification + if (fingerprint && + fingerprint.byteOrderMark === writeByteOrderMark && + fingerprint.hash === hash && + fingerprint.mtime.getTime() === mtimeBefore.getTime()) { + return; + } + } + system.writeFile(fileName, data, writeByteOrderMark); + var mtimeAfter = system.getModifiedTime(fileName) || ts.missingFileModifiedTime; + outputFingerprints.set(fileName, { + hash: hash, + byteOrderMark: writeByteOrderMark, + mtime: mtimeAfter + }); + } + function getDefaultLibLocation() { + return ts.getDirectoryPath(ts.normalizePath(system.getExecutingFilePath())); + } + var newLine = ts.getNewLineCharacter(options, function () { return system.newLine; }); + var realpath = system.realpath && (function (path) { return system.realpath(path); }); + var compilerHost = { + getSourceFile: getSourceFile, + getDefaultLibLocation: getDefaultLibLocation, + getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return system.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return system.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return system.fileExists(fileName); }, + readFile: function (fileName) { return system.readFile(fileName); }, + trace: function (s) { return system.write(s + newLine); }, + directoryExists: function (directoryName) { return system.directoryExists(directoryName); }, + getEnvironmentVariable: function (name) { return system.getEnvironmentVariable ? system.getEnvironmentVariable(name) : ""; }, + getDirectories: function (path) { return system.getDirectories(path); }, + realpath: realpath, + readDirectory: function (path, extensions, include, exclude, depth) { return system.readDirectory(path, extensions, include, exclude, depth); }, + createDirectory: function (d) { return system.createDirectory(d); }, + createHash: ts.maybeBind(system, system.createHash) + }; + return compilerHost; + } + ts.createCompilerHostWorker = createCompilerHostWorker; + /*@internal*/ + function changeCompilerHostLikeToUseCache(host, toPath, getSourceFile) { + var originalReadFile = host.readFile; + var originalFileExists = host.fileExists; + var originalDirectoryExists = host.directoryExists; + var originalCreateDirectory = host.createDirectory; + var originalWriteFile = host.writeFile; + var readFileCache = new ts.Map(); + var fileExistsCache = new ts.Map(); + var directoryExistsCache = new ts.Map(); + var sourceFileCache = new ts.Map(); + var readFileWithCache = function (fileName) { + var key = toPath(fileName); + var value = readFileCache.get(key); + if (value !== undefined) + return value !== false ? value : undefined; + return setReadFileCache(key, fileName); + }; + var setReadFileCache = function (key, fileName) { + var newValue = originalReadFile.call(host, fileName); + readFileCache.set(key, newValue !== undefined ? newValue : false); + return newValue; + }; + host.readFile = function (fileName) { + var key = toPath(fileName); + var value = readFileCache.get(key); + if (value !== undefined) + return value !== false ? value : undefined; // could be .d.ts from output + // Cache json or buildInfo + if (!ts.fileExtensionIs(fileName, ".json" /* Extension.Json */) && !ts.isBuildInfoFile(fileName)) { + return originalReadFile.call(host, fileName); + } + return setReadFileCache(key, fileName); + }; + var getSourceFileWithCache = getSourceFile ? function (fileName, languageVersion, onError, shouldCreateNewSourceFile) { + var key = toPath(fileName); + var value = sourceFileCache.get(key); + if (value) + return value; + var sourceFile = getSourceFile(fileName, languageVersion, onError, shouldCreateNewSourceFile); + if (sourceFile && (ts.isDeclarationFileName(fileName) || ts.fileExtensionIs(fileName, ".json" /* Extension.Json */))) { + sourceFileCache.set(key, sourceFile); + } + return sourceFile; + } : undefined; + // fileExists for any kind of extension + host.fileExists = function (fileName) { + var key = toPath(fileName); + var value = fileExistsCache.get(key); + if (value !== undefined) + return value; + var newValue = originalFileExists.call(host, fileName); + fileExistsCache.set(key, !!newValue); + return newValue; + }; + if (originalWriteFile) { + host.writeFile = function (fileName, data) { + var rest = []; + for (var _i = 2; _i < arguments.length; _i++) { + rest[_i - 2] = arguments[_i]; + } + var key = toPath(fileName); + fileExistsCache.delete(key); + var value = readFileCache.get(key); + if (value !== undefined && value !== data) { + readFileCache.delete(key); + sourceFileCache.delete(key); + } + else if (getSourceFileWithCache) { + var sourceFile = sourceFileCache.get(key); + if (sourceFile && sourceFile.text !== data) { + sourceFileCache.delete(key); + } + } + originalWriteFile.call.apply(originalWriteFile, __spreadArray([host, fileName, data], rest, false)); + }; + } + // directoryExists + if (originalDirectoryExists && originalCreateDirectory) { + host.directoryExists = function (directory) { + var key = toPath(directory); + var value = directoryExistsCache.get(key); + if (value !== undefined) + return value; + var newValue = originalDirectoryExists.call(host, directory); + directoryExistsCache.set(key, !!newValue); + return newValue; + }; + host.createDirectory = function (directory) { + var key = toPath(directory); + directoryExistsCache.delete(key); + originalCreateDirectory.call(host, directory); + }; + } + return { + originalReadFile: originalReadFile, + originalFileExists: originalFileExists, + originalDirectoryExists: originalDirectoryExists, + originalCreateDirectory: originalCreateDirectory, + originalWriteFile: originalWriteFile, + getSourceFileWithCache: getSourceFileWithCache, + readFileWithCache: readFileWithCache + }; + } + ts.changeCompilerHostLikeToUseCache = changeCompilerHostLikeToUseCache; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics; + diagnostics = ts.addRange(diagnostics, program.getConfigFileParsingDiagnostics()); + diagnostics = ts.addRange(diagnostics, program.getOptionsDiagnostics(cancellationToken)); + diagnostics = ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile, cancellationToken)); + diagnostics = ts.addRange(diagnostics, program.getGlobalDiagnostics(cancellationToken)); + diagnostics = ts.addRange(diagnostics, program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (ts.getEmitDeclarations(program.getCompilerOptions())) { + diagnostics = ts.addRange(diagnostics, program.getDeclarationDiagnostics(sourceFile, cancellationToken)); + } + return ts.sortAndDeduplicateDiagnostics(diagnostics || ts.emptyArray); + } + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function formatDiagnostics(diagnostics, host) { + var output = ""; + for (var _i = 0, diagnostics_3 = diagnostics; _i < diagnostics_3.length; _i++) { + var diagnostic = diagnostics_3[_i]; + output += formatDiagnostic(diagnostic, host); + } + return output; + } + ts.formatDiagnostics = formatDiagnostics; + function formatDiagnostic(diagnostic, host) { + var errorMessage = "".concat(ts.diagnosticCategoryName(diagnostic), " TS").concat(diagnostic.code, ": ").concat(flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine())).concat(host.getNewLine()); + if (diagnostic.file) { + var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; // TODO: GH#18217 + var fileName = diagnostic.file.fileName; + var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }); + return "".concat(relativeFileName, "(").concat(line + 1, ",").concat(character + 1, "): ") + errorMessage; + } + return errorMessage; + } + ts.formatDiagnostic = formatDiagnostic; + /** @internal */ + var ForegroundColorEscapeSequences; + (function (ForegroundColorEscapeSequences) { + ForegroundColorEscapeSequences["Grey"] = "\u001B[90m"; + ForegroundColorEscapeSequences["Red"] = "\u001B[91m"; + ForegroundColorEscapeSequences["Yellow"] = "\u001B[93m"; + ForegroundColorEscapeSequences["Blue"] = "\u001B[94m"; + ForegroundColorEscapeSequences["Cyan"] = "\u001B[96m"; + })(ForegroundColorEscapeSequences = ts.ForegroundColorEscapeSequences || (ts.ForegroundColorEscapeSequences = {})); + var gutterStyleSequence = "\u001b[7m"; + var gutterSeparator = " "; + var resetEscapeSequence = "\u001b[0m"; + var ellipsis = "..."; + var halfIndent = " "; + var indent = " "; + function getCategoryFormat(category) { + switch (category) { + case ts.DiagnosticCategory.Error: return ForegroundColorEscapeSequences.Red; + case ts.DiagnosticCategory.Warning: return ForegroundColorEscapeSequences.Yellow; + case ts.DiagnosticCategory.Suggestion: return ts.Debug.fail("Should never get an Info diagnostic on the command line."); + case ts.DiagnosticCategory.Message: return ForegroundColorEscapeSequences.Blue; + } + } + /** @internal */ + function formatColorAndReset(text, formatStyle) { + return formatStyle + text + resetEscapeSequence; + } + ts.formatColorAndReset = formatColorAndReset; + function formatCodeSpan(file, start, length, indent, squiggleColor, host) { + var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character; + var _b = ts.getLineAndCharacterOfPosition(file, start + length), lastLine = _b.line, lastLineChar = _b.character; + var lastLineInFile = ts.getLineAndCharacterOfPosition(file, file.text.length).line; + var hasMoreThanFiveLines = (lastLine - firstLine) >= 4; + var gutterWidth = (lastLine + 1 + "").length; + if (hasMoreThanFiveLines) { + gutterWidth = Math.max(ellipsis.length, gutterWidth); + } + var context = ""; + for (var i = firstLine; i <= lastLine; i++) { + context += host.getNewLine(); + // If the error spans over 5 lines, we'll only show the first 2 and last 2 lines, + // so we'll skip ahead to the second-to-last line. + if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) { + context += indent + formatColorAndReset(ts.padLeft(ellipsis, gutterWidth), gutterStyleSequence) + gutterSeparator + host.getNewLine(); + i = lastLine - 1; + } + var lineStart = ts.getPositionOfLineAndCharacter(file, i, 0); + var lineEnd = i < lastLineInFile ? ts.getPositionOfLineAndCharacter(file, i + 1, 0) : file.text.length; + var lineContent = file.text.slice(lineStart, lineEnd); + lineContent = ts.trimStringEnd(lineContent); // trim from end + lineContent = lineContent.replace(/\t/g, " "); // convert tabs to single spaces + // Output the gutter and the actual contents of the line. + context += indent + formatColorAndReset(ts.padLeft(i + 1 + "", gutterWidth), gutterStyleSequence) + gutterSeparator; + context += lineContent + host.getNewLine(); + // Output the gutter and the error span for the line using tildes. + context += indent + formatColorAndReset(ts.padLeft("", gutterWidth), gutterStyleSequence) + gutterSeparator; + context += squiggleColor; + if (i === firstLine) { + // If we're on the last line, then limit it to the last character of the last line. + // Otherwise, we'll just squiggle the rest of the line, giving 'slice' no end position. + var lastCharForLine = i === lastLine ? lastLineChar : undefined; + context += lineContent.slice(0, firstLineChar).replace(/\S/g, " "); + context += lineContent.slice(firstLineChar, lastCharForLine).replace(/./g, "~"); + } + else if (i === lastLine) { + context += lineContent.slice(0, lastLineChar).replace(/./g, "~"); + } + else { + // Squiggle the entire line. + context += lineContent.replace(/./g, "~"); + } + context += resetEscapeSequence; + } + return context; + } + /* @internal */ + function formatLocation(file, start, host, color) { + if (color === void 0) { color = formatColorAndReset; } + var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character; // TODO: GH#18217 + var relativeFileName = host ? ts.convertToRelativePath(file.fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }) : file.fileName; + var output = ""; + output += color(relativeFileName, ForegroundColorEscapeSequences.Cyan); + output += ":"; + output += color("".concat(firstLine + 1), ForegroundColorEscapeSequences.Yellow); + output += ":"; + output += color("".concat(firstLineChar + 1), ForegroundColorEscapeSequences.Yellow); + return output; + } + ts.formatLocation = formatLocation; + function formatDiagnosticsWithColorAndContext(diagnostics, host) { + var output = ""; + for (var _i = 0, diagnostics_4 = diagnostics; _i < diagnostics_4.length; _i++) { + var diagnostic = diagnostics_4[_i]; + if (diagnostic.file) { + var file = diagnostic.file, start = diagnostic.start; + output += formatLocation(file, start, host); // TODO: GH#18217 + output += " - "; + } + output += formatColorAndReset(ts.diagnosticCategoryName(diagnostic), getCategoryFormat(diagnostic.category)); + output += formatColorAndReset(" TS".concat(diagnostic.code, ": "), ForegroundColorEscapeSequences.Grey); + output += flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()); + if (diagnostic.file) { + output += host.getNewLine(); + output += formatCodeSpan(diagnostic.file, diagnostic.start, diagnostic.length, "", getCategoryFormat(diagnostic.category), host); // TODO: GH#18217 + } + if (diagnostic.relatedInformation) { + output += host.getNewLine(); + for (var _a = 0, _b = diagnostic.relatedInformation; _a < _b.length; _a++) { + var _c = _b[_a], file = _c.file, start = _c.start, length_9 = _c.length, messageText = _c.messageText; + if (file) { + output += host.getNewLine(); + output += halfIndent + formatLocation(file, start, host); // TODO: GH#18217 + output += formatCodeSpan(file, start, length_9, indent, ForegroundColorEscapeSequences.Cyan, host); // TODO: GH#18217 + } + output += host.getNewLine(); + output += indent + flattenDiagnosticMessageText(messageText, host.getNewLine()); + } + } + output += host.getNewLine(); + } + return output; + } + ts.formatDiagnosticsWithColorAndContext = formatDiagnosticsWithColorAndContext; + function flattenDiagnosticMessageText(diag, newLine, indent) { + if (indent === void 0) { indent = 0; } + if (ts.isString(diag)) { + return diag; + } + else if (diag === undefined) { + return ""; + } + var result = ""; + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } + } + result += diag.messageText; + indent++; + if (diag.next) { + for (var _i = 0, _a = diag.next; _i < _a.length; _i++) { + var kid = _a[_i]; + result += flattenDiagnosticMessageText(kid, newLine, indent); + } + } + return result; + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + /* @internal */ + function loadWithTypeDirectiveCache(names, containingFile, redirectedReference, containingFileMode, loader) { + if (names.length === 0) { + return []; + } + var resolutions = []; + var cache = new ts.Map(); + for (var _i = 0, names_2 = names; _i < names_2.length; _i++) { + var name = names_2[_i]; + var result = void 0; + var mode = getModeForFileReference(name, containingFileMode); + // We lower-case all type references because npm automatically lowercases all packages. See GH#9824. + var strName = ts.isString(name) ? name : name.fileName.toLowerCase(); + var cacheKey = mode !== undefined ? "".concat(mode, "|").concat(strName) : strName; + if (cache.has(cacheKey)) { + result = cache.get(cacheKey); + } + else { + cache.set(cacheKey, result = loader(strName, containingFile, redirectedReference, mode)); + } + resolutions.push(result); + } + return resolutions; + } + ts.loadWithTypeDirectiveCache = loadWithTypeDirectiveCache; + ; + /** + * Calculates the resulting resolution mode for some reference in some file - this is generally the explicitly + * provided resolution mode in the reference, unless one is not present, in which case it is the mode of the containing file. + */ + function getModeForFileReference(ref, containingFileMode) { + return (ts.isString(ref) ? containingFileMode : ref.resolutionMode) || containingFileMode; + } + ts.getModeForFileReference = getModeForFileReference; + function getModeForResolutionAtIndex(file, index) { + if (file.impliedNodeFormat === undefined) + return undefined; + // we ensure all elements of file.imports and file.moduleAugmentations have the relevant parent pointers set during program setup, + // so it's safe to use them even pre-bind + return getModeForUsageLocation(file, getModuleNameStringLiteralAt(file, index)); + } + ts.getModeForResolutionAtIndex = getModeForResolutionAtIndex; + /* @internal */ + function isExclusivelyTypeOnlyImportOrExport(decl) { + var _a; + if (ts.isExportDeclaration(decl)) { + return decl.isTypeOnly; + } + if ((_a = decl.importClause) === null || _a === void 0 ? void 0 : _a.isTypeOnly) { + return true; + } + return false; + } + ts.isExclusivelyTypeOnlyImportOrExport = isExclusivelyTypeOnlyImportOrExport; + /** + * Calculates the final resolution mode for a given module reference node. This is generally the explicitly provided resolution mode, if + * one exists, or the mode of the containing source file. (Excepting import=require, which is always commonjs, and dynamic import, which is always esm). + * Notably, this function always returns `undefined` if the containing file has an `undefined` `impliedNodeFormat` - this field is only set when + * `moduleResolution` is `node16`+. + * @param file The file the import or import-like reference is contained within + * @param usage The module reference string + * @returns The final resolution mode of the import + */ + function getModeForUsageLocation(file, usage) { + var _a, _b; + if (file.impliedNodeFormat === undefined) + return undefined; + if ((ts.isImportDeclaration(usage.parent) || ts.isExportDeclaration(usage.parent))) { + var isTypeOnly = isExclusivelyTypeOnlyImportOrExport(usage.parent); + if (isTypeOnly) { + var override = getResolutionModeOverrideForClause(usage.parent.assertClause); + if (override) { + return override; + } + } + } + if (usage.parent.parent && ts.isImportTypeNode(usage.parent.parent)) { + var override = getResolutionModeOverrideForClause((_a = usage.parent.parent.assertions) === null || _a === void 0 ? void 0 : _a.assertClause); + if (override) { + return override; + } + } + if (file.impliedNodeFormat !== ts.ModuleKind.ESNext) { + // in cjs files, import call expressions are esm format, otherwise everything is cjs + return ts.isImportCall(ts.walkUpParenthesizedExpressions(usage.parent)) ? ts.ModuleKind.ESNext : ts.ModuleKind.CommonJS; + } + // in esm files, import=require statements are cjs format, otherwise everything is esm + // imports are only parent'd up to their containing declaration/expression, so access farther parents with care + var exprParentParent = (_b = ts.walkUpParenthesizedExpressions(usage.parent)) === null || _b === void 0 ? void 0 : _b.parent; + return exprParentParent && ts.isImportEqualsDeclaration(exprParentParent) ? ts.ModuleKind.CommonJS : ts.ModuleKind.ESNext; + } + ts.getModeForUsageLocation = getModeForUsageLocation; + /* @internal */ + function getResolutionModeOverrideForClause(clause, grammarErrorOnNode) { + if (!clause) + return undefined; + if (ts.length(clause.elements) !== 1) { + grammarErrorOnNode === null || grammarErrorOnNode === void 0 ? void 0 : grammarErrorOnNode(clause, ts.Diagnostics.Type_import_assertions_should_have_exactly_one_key_resolution_mode_with_value_import_or_require); + return undefined; + } + var elem = clause.elements[0]; + if (!ts.isStringLiteralLike(elem.name)) + return undefined; + if (elem.name.text !== "resolution-mode") { + grammarErrorOnNode === null || grammarErrorOnNode === void 0 ? void 0 : grammarErrorOnNode(elem.name, ts.Diagnostics.resolution_mode_is_the_only_valid_key_for_type_import_assertions); + return undefined; + } + if (!ts.isStringLiteralLike(elem.value)) + return undefined; + if (elem.value.text !== "import" && elem.value.text !== "require") { + grammarErrorOnNode === null || grammarErrorOnNode === void 0 ? void 0 : grammarErrorOnNode(elem.value, ts.Diagnostics.resolution_mode_should_be_either_require_or_import); + return undefined; + } + return elem.value.text === "import" ? ts.ModuleKind.ESNext : ts.ModuleKind.CommonJS; + } + ts.getResolutionModeOverrideForClause = getResolutionModeOverrideForClause; + /* @internal */ + function loadWithModeAwareCache(names, containingFile, containingFileName, redirectedReference, loader) { + if (names.length === 0) { + return []; + } + var resolutions = []; + var cache = new ts.Map(); + var i = 0; + for (var _i = 0, names_3 = names; _i < names_3.length; _i++) { + var name = names_3[_i]; + var result = void 0; + var mode = getModeForResolutionAtIndex(containingFile, i); + i++; + var cacheKey = mode !== undefined ? "".concat(mode, "|").concat(name) : name; + if (cache.has(cacheKey)) { + result = cache.get(cacheKey); + } + else { + cache.set(cacheKey, result = loader(name, mode, containingFileName, redirectedReference)); + } + resolutions.push(result); + } + return resolutions; + } + ts.loadWithModeAwareCache = loadWithModeAwareCache; + /* @internal */ + function forEachResolvedProjectReference(resolvedProjectReferences, cb) { + return forEachProjectReference(/*projectReferences*/ undefined, resolvedProjectReferences, function (resolvedRef, parent) { return resolvedRef && cb(resolvedRef, parent); }); + } + ts.forEachResolvedProjectReference = forEachResolvedProjectReference; + function forEachProjectReference(projectReferences, resolvedProjectReferences, cbResolvedRef, cbRef) { + var seenResolvedRefs; + return worker(projectReferences, resolvedProjectReferences, /*parent*/ undefined); + function worker(projectReferences, resolvedProjectReferences, parent) { + // Visit project references first + if (cbRef) { + var result = cbRef(projectReferences, parent); + if (result) + return result; + } + return ts.forEach(resolvedProjectReferences, function (resolvedRef, index) { + if (resolvedRef && (seenResolvedRefs === null || seenResolvedRefs === void 0 ? void 0 : seenResolvedRefs.has(resolvedRef.sourceFile.path))) { + // ignore recursives + return undefined; + } + var result = cbResolvedRef(resolvedRef, parent, index); + if (result || !resolvedRef) + return result; + (seenResolvedRefs || (seenResolvedRefs = new ts.Set())).add(resolvedRef.sourceFile.path); + return worker(resolvedRef.commandLine.projectReferences, resolvedRef.references, resolvedRef); + }); + } + } + /* @internal */ + ts.inferredTypesContainingFile = "__inferred type names__.ts"; + /*@internal*/ + function isReferencedFile(reason) { + switch (reason === null || reason === void 0 ? void 0 : reason.kind) { + case ts.FileIncludeKind.Import: + case ts.FileIncludeKind.ReferenceFile: + case ts.FileIncludeKind.TypeReferenceDirective: + case ts.FileIncludeKind.LibReferenceDirective: + return true; + default: + return false; + } + } + ts.isReferencedFile = isReferencedFile; + /*@internal*/ + function isReferenceFileLocation(location) { + return location.pos !== undefined; + } + ts.isReferenceFileLocation = isReferenceFileLocation; + /*@internal*/ + function getReferencedFileLocation(getSourceFileByPath, ref) { + var _a, _b, _c; + var _d, _e, _f, _g; + var file = ts.Debug.checkDefined(getSourceFileByPath(ref.file)); + var kind = ref.kind, index = ref.index; + var pos, end, packageId, resolutionMode; + switch (kind) { + case ts.FileIncludeKind.Import: + var importLiteral = getModuleNameStringLiteralAt(file, index); + packageId = (_e = (_d = file.resolvedModules) === null || _d === void 0 ? void 0 : _d.get(importLiteral.text, getModeForResolutionAtIndex(file, index))) === null || _e === void 0 ? void 0 : _e.packageId; + if (importLiteral.pos === -1) + return { file: file, packageId: packageId, text: importLiteral.text }; + pos = ts.skipTrivia(file.text, importLiteral.pos); + end = importLiteral.end; + break; + case ts.FileIncludeKind.ReferenceFile: + (_a = file.referencedFiles[index], pos = _a.pos, end = _a.end); + break; + case ts.FileIncludeKind.TypeReferenceDirective: + (_b = file.typeReferenceDirectives[index], pos = _b.pos, end = _b.end, resolutionMode = _b.resolutionMode); + packageId = (_g = (_f = file.resolvedTypeReferenceDirectiveNames) === null || _f === void 0 ? void 0 : _f.get(ts.toFileNameLowerCase(file.typeReferenceDirectives[index].fileName), resolutionMode || file.impliedNodeFormat)) === null || _g === void 0 ? void 0 : _g.packageId; + break; + case ts.FileIncludeKind.LibReferenceDirective: + (_c = file.libReferenceDirectives[index], pos = _c.pos, end = _c.end); + break; + default: + return ts.Debug.assertNever(kind); + } + return { file: file, pos: pos, end: end, packageId: packageId }; + } + ts.getReferencedFileLocation = getReferencedFileLocation; + /** + * Determines if program structure is upto date or needs to be recreated + */ + /* @internal */ + function isProgramUptoDate(program, rootFileNames, newOptions, getSourceVersion, fileExists, hasInvalidatedResolution, hasChangedAutomaticTypeDirectiveNames, getParsedCommandLine, projectReferences) { + // If we haven't created a program yet or have changed automatic type directives, then it is not up-to-date + if (!program || (hasChangedAutomaticTypeDirectiveNames === null || hasChangedAutomaticTypeDirectiveNames === void 0 ? void 0 : hasChangedAutomaticTypeDirectiveNames())) + return false; + // If root file names don't match + if (!ts.arrayIsEqualTo(program.getRootFileNames(), rootFileNames)) + return false; + var seenResolvedRefs; + // If project references don't match + if (!ts.arrayIsEqualTo(program.getProjectReferences(), projectReferences, projectReferenceUptoDate)) + return false; + // If any file is not up-to-date, then the whole program is not up-to-date + if (program.getSourceFiles().some(sourceFileNotUptoDate)) + return false; + // If any of the missing file paths are now created + if (program.getMissingFilePaths().some(fileExists)) + return false; + var currentOptions = program.getCompilerOptions(); + // If the compilation settings do no match, then the program is not up-to-date + if (!ts.compareDataObjects(currentOptions, newOptions)) + return false; + // If everything matches but the text of config file is changed, + // error locations can change for program options, so update the program + if (currentOptions.configFile && newOptions.configFile) + return currentOptions.configFile.text === newOptions.configFile.text; + return true; + function sourceFileNotUptoDate(sourceFile) { + return !sourceFileVersionUptoDate(sourceFile) || + hasInvalidatedResolution(sourceFile.path); + } + function sourceFileVersionUptoDate(sourceFile) { + return sourceFile.version === getSourceVersion(sourceFile.resolvedPath, sourceFile.fileName); + } + function projectReferenceUptoDate(oldRef, newRef, index) { + return ts.projectReferenceIsEqualTo(oldRef, newRef) && + resolvedProjectReferenceUptoDate(program.getResolvedProjectReferences()[index], oldRef); + } + function resolvedProjectReferenceUptoDate(oldResolvedRef, oldRef) { + if (oldResolvedRef) { + // Assume true + if (ts.contains(seenResolvedRefs, oldResolvedRef)) + return true; + var refPath_1 = resolveProjectReferencePath(oldRef); + var newParsedCommandLine = getParsedCommandLine(refPath_1); + // Check if config file exists + if (!newParsedCommandLine) + return false; + // If change in source file + if (oldResolvedRef.commandLine.options.configFile !== newParsedCommandLine.options.configFile) + return false; + // check file names + if (!ts.arrayIsEqualTo(oldResolvedRef.commandLine.fileNames, newParsedCommandLine.fileNames)) + return false; + // Add to seen before checking the referenced paths of this config file + (seenResolvedRefs || (seenResolvedRefs = [])).push(oldResolvedRef); + // If child project references are upto date, this project reference is uptodate + return !ts.forEach(oldResolvedRef.references, function (childResolvedRef, index) { + return !resolvedProjectReferenceUptoDate(childResolvedRef, oldResolvedRef.commandLine.projectReferences[index]); + }); + } + // In old program, not able to resolve project reference path, + // so if config file doesnt exist, it is uptodate. + var refPath = resolveProjectReferencePath(oldRef); + return !getParsedCommandLine(refPath); + } + } + ts.isProgramUptoDate = isProgramUptoDate; + function getConfigFileParsingDiagnostics(configFileParseResult) { + return configFileParseResult.options.configFile ? __spreadArray(__spreadArray([], configFileParseResult.options.configFile.parseDiagnostics, true), configFileParseResult.errors, true) : + configFileParseResult.errors; + } + ts.getConfigFileParsingDiagnostics = getConfigFileParsingDiagnostics; + /** + * A function for determining if a given file is esm or cjs format, assuming modern node module resolution rules, as configured by the + * `options` parameter. + * + * @param fileName The normalized absolute path to check the format of (it need not exist on disk) + * @param [packageJsonInfoCache] A cache for package file lookups - it's best to have a cache when this function is called often + * @param host The ModuleResolutionHost which can perform the filesystem lookups for package json data + * @param options The compiler options to perform the analysis under - relevant options are `moduleResolution` and `traceResolution` + * @returns `undefined` if the path has no relevant implied format, `ModuleKind.ESNext` for esm format, and `ModuleKind.CommonJS` for cjs format + */ + function getImpliedNodeFormatForFile(fileName, packageJsonInfoCache, host, options) { + switch (ts.getEmitModuleResolutionKind(options)) { + case ts.ModuleResolutionKind.Node16: + case ts.ModuleResolutionKind.NodeNext: + return ts.fileExtensionIsOneOf(fileName, [".d.mts" /* Extension.Dmts */, ".mts" /* Extension.Mts */, ".mjs" /* Extension.Mjs */]) ? ts.ModuleKind.ESNext : + ts.fileExtensionIsOneOf(fileName, [".d.cts" /* Extension.Dcts */, ".cts" /* Extension.Cts */, ".cjs" /* Extension.Cjs */]) ? ts.ModuleKind.CommonJS : + ts.fileExtensionIsOneOf(fileName, [".d.ts" /* Extension.Dts */, ".ts" /* Extension.Ts */, ".tsx" /* Extension.Tsx */, ".js" /* Extension.Js */, ".jsx" /* Extension.Jsx */]) ? lookupFromPackageJson() : + undefined; // other extensions, like `json` or `tsbuildinfo`, are set as `undefined` here but they should never be fed through the transformer pipeline + default: + return undefined; + } + function lookupFromPackageJson() { + var scope = ts.getPackageScopeForPath(fileName, packageJsonInfoCache, host, options); + return (scope === null || scope === void 0 ? void 0 : scope.packageJsonContent.type) === "module" ? ts.ModuleKind.ESNext : ts.ModuleKind.CommonJS; + } + } + ts.getImpliedNodeFormatForFile = getImpliedNodeFormatForFile; + /** @internal */ + ts.plainJSErrors = new ts.Set([ + // binder errors + ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0.code, + ts.Diagnostics.A_module_cannot_have_multiple_default_exports.code, + ts.Diagnostics.Another_export_default_is_here.code, + ts.Diagnostics.The_first_export_default_is_here.code, + ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_at_the_top_level_of_a_module.code, + ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode.code, + ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here.code, + ts.Diagnostics.constructor_is_a_reserved_word.code, + ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode.code, + ts.Diagnostics.Code_contained_in_a_class_is_evaluated_in_JavaScript_s_strict_mode_which_does_not_allow_this_use_of_0_For_more_information_see_https_Colon_Slash_Slashdeveloper_mozilla_org_Slashen_US_Slashdocs_SlashWeb_SlashJavaScript_SlashReference_SlashStrict_mode.code, + ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode.code, + ts.Diagnostics.Invalid_use_of_0_in_strict_mode.code, + ts.Diagnostics.A_label_is_not_allowed_here.code, + ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode.code, + ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode.code, + // grammar errors + ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement.code, + ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement.code, + ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name.code, + ts.Diagnostics.A_class_member_cannot_have_the_0_keyword.code, + ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name.code, + ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement.code, + ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement.code, + ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement.code, + ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement.code, + ts.Diagnostics.A_default_export_must_be_at_the_top_level_of_a_file_or_module_declaration.code, + ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context.code, + ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer.code, + ts.Diagnostics.A_get_accessor_cannot_have_parameters.code, + ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern.code, + ts.Diagnostics.A_rest_element_cannot_have_a_property_name.code, + ts.Diagnostics.A_rest_element_cannot_have_an_initializer.code, + ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern.code, + ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer.code, + ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list.code, + ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma.code, + ts.Diagnostics.A_return_statement_cannot_be_used_inside_a_class_static_block.code, + ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter.code, + ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter.code, + ts.Diagnostics.An_export_declaration_can_only_be_used_at_the_top_level_of_a_module.code, + ts.Diagnostics.An_export_declaration_cannot_have_modifiers.code, + ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_module.code, + ts.Diagnostics.An_import_declaration_cannot_have_modifiers.code, + ts.Diagnostics.An_object_member_cannot_be_declared_optional.code, + ts.Diagnostics.Argument_of_dynamic_import_cannot_be_spread_element.code, + ts.Diagnostics.Cannot_assign_to_private_method_0_Private_methods_are_not_writable.code, + ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause.code, + ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer.code, + ts.Diagnostics.Class_decorators_can_t_be_used_with_static_private_identifier_Consider_removing_the_experimental_decorator.code, + ts.Diagnostics.Classes_can_only_extend_a_single_class.code, + ts.Diagnostics.Classes_may_not_have_a_field_named_constructor.code, + ts.Diagnostics.Did_you_mean_to_use_a_Colon_An_can_only_follow_a_property_name_when_the_containing_object_literal_is_part_of_a_destructuring_pattern.code, + ts.Diagnostics.Duplicate_label_0.code, + ts.Diagnostics.Dynamic_imports_can_only_accept_a_module_specifier_and_an_optional_assertion_as_arguments.code, + ts.Diagnostics.For_await_loops_cannot_be_used_inside_a_class_static_block.code, + ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression.code, + ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name.code, + ts.Diagnostics.JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array.code, + ts.Diagnostics.JSX_property_access_expressions_cannot_include_JSX_namespace_names.code, + ts.Diagnostics.Jump_target_cannot_cross_function_boundary.code, + ts.Diagnostics.Line_terminator_not_permitted_before_arrow.code, + ts.Diagnostics.Modifiers_cannot_appear_here.code, + ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement.code, + ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement.code, + ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies.code, + ts.Diagnostics.Private_identifiers_are_only_allowed_in_class_bodies_and_may_only_be_used_as_part_of_a_class_member_declaration_property_access_or_on_the_left_hand_side_of_an_in_expression.code, + ts.Diagnostics.Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier.code, + ts.Diagnostics.Tagged_template_expressions_are_not_permitted_in_an_optional_chain.code, + ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_may_not_be_async.code, + ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer.code, + ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer.code, + ts.Diagnostics.Trailing_comma_not_allowed.code, + ts.Diagnostics.Variable_declaration_list_cannot_be_empty.code, + ts.Diagnostics._0_and_1_operations_cannot_be_mixed_without_parentheses.code, + ts.Diagnostics._0_expected.code, + ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2.code, + ts.Diagnostics._0_list_cannot_be_empty.code, + ts.Diagnostics._0_modifier_already_seen.code, + ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration.code, + ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element.code, + ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter.code, + ts.Diagnostics._0_modifier_cannot_appear_on_class_elements_of_this_kind.code, + ts.Diagnostics._0_modifier_cannot_be_used_here.code, + ts.Diagnostics._0_modifier_must_precede_1_modifier.code, + ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block.code, + ts.Diagnostics.const_declarations_must_be_initialized.code, + ts.Diagnostics.extends_clause_already_seen.code, + ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block.code, + ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations.code, + ]); + /** + * Determine if source file needs to be re-created even if its text hasn't changed + */ + function shouldProgramCreateNewSourceFiles(program, newOptions) { + if (!program) + return false; + // If any compiler options change, we can't reuse old source file even if version match + // The change in options like these could result in change in syntax tree or `sourceFile.bindDiagnostics`. + return ts.optionsHaveChanges(program.getCompilerOptions(), newOptions, ts.sourceFileAffectingCompilerOptions); + } + function createCreateProgramOptions(rootNames, options, host, oldProgram, configFileParsingDiagnostics) { + return { + rootNames: rootNames, + options: options, + host: host, + oldProgram: oldProgram, + configFileParsingDiagnostics: configFileParsingDiagnostics + }; + } + function createProgram(rootNamesOrOptions, _options, _host, _oldProgram, _configFileParsingDiagnostics) { + var _a, _b, _c, _d; + var createProgramOptions = ts.isArray(rootNamesOrOptions) ? createCreateProgramOptions(rootNamesOrOptions, _options, _host, _oldProgram, _configFileParsingDiagnostics) : rootNamesOrOptions; // TODO: GH#18217 + var rootNames = createProgramOptions.rootNames, options = createProgramOptions.options, configFileParsingDiagnostics = createProgramOptions.configFileParsingDiagnostics, projectReferences = createProgramOptions.projectReferences; + var oldProgram = createProgramOptions.oldProgram; + var processingDefaultLibFiles; + var processingOtherFiles; + var files; + var symlinks; + var commonSourceDirectory; + var typeChecker; + var classifiableNames; + var ambientModuleNameToUnmodifiedFileName = new ts.Map(); + var fileReasons = ts.createMultiMap(); + var cachedBindAndCheckDiagnosticsForFile = {}; + var cachedDeclarationDiagnosticsForFile = {}; + var resolvedTypeReferenceDirectives = ts.createModeAwareCache(); + var fileProcessingDiagnostics; + // The below settings are to track if a .js file should be add to the program if loaded via searching under node_modules. + // This works as imported modules are discovered recursively in a depth first manner, specifically: + // - For each root file, findSourceFile is called. + // - This calls processImportedModules for each module imported in the source file. + // - This calls resolveModuleNames, and then calls findSourceFile for each resolved module. + // As all these operations happen - and are nested - within the createProgram call, they close over the below variables. + // The current resolution depth is tracked by incrementing/decrementing as the depth first search progresses. + var maxNodeModuleJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0; + var currentNodeModulesDepth = 0; + // If a module has some of its imports skipped due to being at the depth limit under node_modules, then track + // this, as it may be imported at a shallower depth later, and then it will need its skipped imports processed. + var modulesWithElidedImports = new ts.Map(); + // Track source files that are source files found by searching under node_modules, as these shouldn't be compiled. + var sourceFilesFoundSearchingNodeModules = new ts.Map(); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "createProgram", { configFilePath: options.configFilePath, rootDir: options.rootDir }, /*separateBeginAndEnd*/ true); + ts.performance.mark("beforeProgram"); + var host = createProgramOptions.host || createCompilerHost(options); + var configParsingHost = parseConfigHostFromCompilerHostLike(host); + var skipDefaultLib = options.noLib; + var getDefaultLibraryFileName = ts.memoize(function () { return host.getDefaultLibFileName(options); }); + var defaultLibraryPath = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(getDefaultLibraryFileName()); + var programDiagnostics = ts.createDiagnosticCollection(); + var currentDirectory = host.getCurrentDirectory(); + var supportedExtensions = ts.getSupportedExtensions(options); + var supportedExtensionsWithJsonIfResolveJsonModule = ts.getSupportedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions); + // Map storing if there is emit blocking diagnostics for given input + var hasEmitBlockingDiagnostics = new ts.Map(); + var _compilerOptionsObjectLiteralSyntax; + var moduleResolutionCache; + var typeReferenceDirectiveResolutionCache; + var actualResolveModuleNamesWorker; + var hasInvalidatedResolution = host.hasInvalidatedResolution || ts.returnFalse; + if (host.resolveModuleNames) { + actualResolveModuleNamesWorker = function (moduleNames, containingFile, containingFileName, reusedNames, redirectedReference) { return host.resolveModuleNames(ts.Debug.checkEachDefined(moduleNames), containingFileName, reusedNames, redirectedReference, options, containingFile).map(function (resolved) { + // An older host may have omitted extension, in which case we should infer it from the file extension of resolvedFileName. + if (!resolved || resolved.extension !== undefined) { + return resolved; + } + var withExtension = ts.clone(resolved); + withExtension.extension = ts.extensionFromPath(resolved.resolvedFileName); + return withExtension; + }); }; + moduleResolutionCache = (_a = host.getModuleResolutionCache) === null || _a === void 0 ? void 0 : _a.call(host); + } + else { + moduleResolutionCache = ts.createModuleResolutionCache(currentDirectory, getCanonicalFileName, options); + var loader_1 = function (moduleName, resolverMode, containingFileName, redirectedReference) { return ts.resolveModuleName(moduleName, containingFileName, options, host, moduleResolutionCache, redirectedReference, resolverMode).resolvedModule; }; // TODO: GH#18217 + actualResolveModuleNamesWorker = function (moduleNames, containingFile, containingFileName, _reusedNames, redirectedReference) { return loadWithModeAwareCache(ts.Debug.checkEachDefined(moduleNames), containingFile, containingFileName, redirectedReference, loader_1); }; + } + var actualResolveTypeReferenceDirectiveNamesWorker; + if (host.resolveTypeReferenceDirectives) { + actualResolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile, redirectedReference, containingFileMode) { return host.resolveTypeReferenceDirectives(ts.Debug.checkEachDefined(typeDirectiveNames), containingFile, redirectedReference, options, containingFileMode); }; + } + else { + typeReferenceDirectiveResolutionCache = ts.createTypeReferenceDirectiveResolutionCache(currentDirectory, getCanonicalFileName, /*options*/ undefined, moduleResolutionCache === null || moduleResolutionCache === void 0 ? void 0 : moduleResolutionCache.getPackageJsonInfoCache()); + var loader_2 = function (typesRef, containingFile, redirectedReference, resolutionMode) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host, redirectedReference, typeReferenceDirectiveResolutionCache, resolutionMode).resolvedTypeReferenceDirective; }; // TODO: GH#18217 + actualResolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile, redirectedReference, containingFileMode) { return loadWithTypeDirectiveCache(ts.Debug.checkEachDefined(typeReferenceDirectiveNames), containingFile, redirectedReference, containingFileMode, loader_2); }; + } + // Map from a stringified PackageId to the source file with that id. + // Only one source file may have a given packageId. Others become redirects (see createRedirectSourceFile). + // `packageIdToSourceFile` is only used while building the program, while `sourceFileToPackageName` and `isSourceFileTargetOfRedirect` are kept around. + var packageIdToSourceFile = new ts.Map(); + // Maps from a SourceFile's `.path` to the name of the package it was imported with. + var sourceFileToPackageName = new ts.Map(); + // Key is a file name. Value is the (non-empty, or undefined) list of files that redirect to it. + var redirectTargetsMap = ts.createMultiMap(); + var usesUriStyleNodeCoreModules = false; + /** + * map with + * - SourceFile if present + * - false if sourceFile missing for source of project reference redirect + * - undefined otherwise + */ + var filesByName = new ts.Map(); + var missingFilePaths; + // stores 'filename -> file association' ignoring case + // used to track cases when two file names differ only in casing + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? new ts.Map() : undefined; + // A parallel array to projectReferences storing the results of reading in the referenced tsconfig files + var resolvedProjectReferences; + var projectReferenceRedirects; + var mapFromFileToProjectReferenceRedirects; + var mapFromToProjectReferenceRedirectSource; + var useSourceOfProjectReferenceRedirect = !!((_b = host.useSourceOfProjectReferenceRedirect) === null || _b === void 0 ? void 0 : _b.call(host)) && + !options.disableSourceOfProjectReferenceRedirect; + var _e = updateHostForUseSourceOfProjectReferenceRedirect({ + compilerHost: host, + getSymlinkCache: getSymlinkCache, + useSourceOfProjectReferenceRedirect: useSourceOfProjectReferenceRedirect, + toPath: toPath, + getResolvedProjectReferences: getResolvedProjectReferences, + getSourceOfProjectReferenceRedirect: getSourceOfProjectReferenceRedirect, + forEachResolvedProjectReference: forEachResolvedProjectReference + }), onProgramCreateComplete = _e.onProgramCreateComplete, fileExists = _e.fileExists, directoryExists = _e.directoryExists; + var readFile = host.readFile.bind(host); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "shouldProgramCreateNewSourceFiles", { hasOldProgram: !!oldProgram }); + var shouldCreateNewSourceFile = shouldProgramCreateNewSourceFiles(oldProgram, options); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + // We set `structuralIsReused` to `undefined` because `tryReuseStructureFromOldProgram` calls `tryReuseStructureFromOldProgram` which checks + // `structuralIsReused`, which would be a TDZ violation if it was not set in advance to `undefined`. + var structureIsReused; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "tryReuseStructureFromOldProgram", {}); + structureIsReused = tryReuseStructureFromOldProgram(); // eslint-disable-line prefer-const + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + if (structureIsReused !== 2 /* StructureIsReused.Completely */) { + processingDefaultLibFiles = []; + processingOtherFiles = []; + if (projectReferences) { + if (!resolvedProjectReferences) { + resolvedProjectReferences = projectReferences.map(parseProjectReferenceConfigFile); + } + if (rootNames.length) { + resolvedProjectReferences === null || resolvedProjectReferences === void 0 ? void 0 : resolvedProjectReferences.forEach(function (parsedRef, index) { + if (!parsedRef) + return; + var out = ts.outFile(parsedRef.commandLine.options); + if (useSourceOfProjectReferenceRedirect) { + if (out || ts.getEmitModuleKind(parsedRef.commandLine.options) === ts.ModuleKind.None) { + for (var _i = 0, _a = parsedRef.commandLine.fileNames; _i < _a.length; _i++) { + var fileName = _a[_i]; + processProjectReferenceFile(fileName, { kind: ts.FileIncludeKind.SourceFromProjectReference, index: index }); + } + } + } + else { + if (out) { + processProjectReferenceFile(ts.changeExtension(out, ".d.ts"), { kind: ts.FileIncludeKind.OutputFromProjectReference, index: index }); + } + else if (ts.getEmitModuleKind(parsedRef.commandLine.options) === ts.ModuleKind.None) { + var getCommonSourceDirectory_2 = ts.memoize(function () { return ts.getCommonSourceDirectoryOfConfig(parsedRef.commandLine, !host.useCaseSensitiveFileNames()); }); + for (var _b = 0, _c = parsedRef.commandLine.fileNames; _b < _c.length; _b++) { + var fileName = _c[_b]; + if (!ts.isDeclarationFileName(fileName) && !ts.fileExtensionIs(fileName, ".json" /* Extension.Json */)) { + processProjectReferenceFile(ts.getOutputDeclarationFileName(fileName, parsedRef.commandLine, !host.useCaseSensitiveFileNames(), getCommonSourceDirectory_2), { kind: ts.FileIncludeKind.OutputFromProjectReference, index: index }); + } + } + } + } + }); + } + } + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "processRootFiles", { count: rootNames.length }); + ts.forEach(rootNames, function (name, index) { return processRootFile(name, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, { kind: ts.FileIncludeKind.RootFile, index: index }); }); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + // load type declarations specified via 'types' argument or implicitly from types/ and node_modules/@types folders + var typeReferences = rootNames.length ? ts.getAutomaticTypeDirectiveNames(options, host) : ts.emptyArray; + if (typeReferences.length) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "processTypeReferences", { count: typeReferences.length }); + // This containingFilename needs to match with the one used in managed-side + var containingDirectory = options.configFilePath ? ts.getDirectoryPath(options.configFilePath) : host.getCurrentDirectory(); + var containingFilename = ts.combinePaths(containingDirectory, ts.inferredTypesContainingFile); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename); + for (var i = 0; i < typeReferences.length; i++) { + // under node16/nodenext module resolution, load `types`/ata include names as cjs resolution results by passing an `undefined` mode + processTypeReferenceDirective(typeReferences[i], /*mode*/ undefined, resolutions[i], { kind: ts.FileIncludeKind.AutomaticTypeDirectiveFile, typeReference: typeReferences[i], packageId: (_c = resolutions[i]) === null || _c === void 0 ? void 0 : _c.packageId }); + } + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + // Do not process the default library if: + // - The '--noLib' flag is used. + // - A 'no-default-lib' reference comment is encountered in + // processing the root files. + if (rootNames.length && !skipDefaultLib) { + // If '--lib' is not specified, include default library file according to '--target' + // otherwise, using options specified in '--lib' instead of '--target' default library file + var defaultLibraryFileName = getDefaultLibraryFileName(); + if (!options.lib && defaultLibraryFileName) { + processRootFile(defaultLibraryFileName, /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ false, { kind: ts.FileIncludeKind.LibFile }); + } + else { + ts.forEach(options.lib, function (libFileName, index) { + processRootFile(pathForLibFile(libFileName), /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ false, { kind: ts.FileIncludeKind.LibFile, index: index }); + }); + } + } + missingFilePaths = ts.arrayFrom(ts.mapDefinedIterator(filesByName.entries(), function (_a) { + var path = _a[0], file = _a[1]; + return file === undefined ? path : undefined; + })); + files = ts.stableSort(processingDefaultLibFiles, compareDefaultLibFiles).concat(processingOtherFiles); + processingDefaultLibFiles = undefined; + processingOtherFiles = undefined; + } + ts.Debug.assert(!!missingFilePaths); + // Release any files we have acquired in the old program but are + // not part of the new program. + if (oldProgram && host.onReleaseOldSourceFile) { + var oldSourceFiles = oldProgram.getSourceFiles(); + for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { + var oldSourceFile = oldSourceFiles_1[_i]; + var newFile = getSourceFileByPath(oldSourceFile.resolvedPath); + if (shouldCreateNewSourceFile || !newFile || + // old file wasn't redirect but new file is + (oldSourceFile.resolvedPath === oldSourceFile.path && newFile.resolvedPath !== oldSourceFile.path)) { + host.onReleaseOldSourceFile(oldSourceFile, oldProgram.getCompilerOptions(), !!getSourceFileByPath(oldSourceFile.path)); + } + } + if (!host.getParsedCommandLine) { + oldProgram.forEachResolvedProjectReference(function (resolvedProjectReference) { + if (!getResolvedProjectReferenceByPath(resolvedProjectReference.sourceFile.path)) { + host.onReleaseOldSourceFile(resolvedProjectReference.sourceFile, oldProgram.getCompilerOptions(), /*hasSourceFileByPath*/ false); + } + }); + } + } + // Release commandlines that new program does not use + if (oldProgram && host.onReleaseParsedCommandLine) { + forEachProjectReference(oldProgram.getProjectReferences(), oldProgram.getResolvedProjectReferences(), function (oldResolvedRef, parent, index) { + var oldReference = (parent === null || parent === void 0 ? void 0 : parent.commandLine.projectReferences[index]) || oldProgram.getProjectReferences()[index]; + var oldRefPath = resolveProjectReferencePath(oldReference); + if (!(projectReferenceRedirects === null || projectReferenceRedirects === void 0 ? void 0 : projectReferenceRedirects.has(toPath(oldRefPath)))) { + host.onReleaseParsedCommandLine(oldRefPath, oldResolvedRef, oldProgram.getCompilerOptions()); + } + }); + } + typeReferenceDirectiveResolutionCache = undefined; + // unconditionally set oldProgram to undefined to prevent it from being captured in closure + oldProgram = undefined; + var program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFileByPath: getSourceFileByPath, + getSourceFiles: function () { return files; }, + getMissingFilePaths: function () { return missingFilePaths; }, + getModuleResolutionCache: function () { return moduleResolutionCache; }, + getFilesByNameMap: function () { return filesByName; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getCachedSemanticDiagnostics: getCachedSemanticDiagnostics, + getSuggestionDiagnostics: getSuggestionDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getBindAndCheckDiagnostics: getBindAndCheckDiagnostics, + getProgramDiagnostics: getProgramDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getTypeChecker().getTypeCount(); }, + getInstantiationCount: function () { return getTypeChecker().getInstantiationCount(); }, + getRelationCacheSizes: function () { return getTypeChecker().getRelationCacheSizes(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; }, + getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; }, + isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary, + isSourceFileDefaultLibrary: isSourceFileDefaultLibrary, + getSourceFileFromReference: getSourceFileFromReference, + getLibFileFromReference: getLibFileFromReference, + sourceFileToPackageName: sourceFileToPackageName, + redirectTargetsMap: redirectTargetsMap, + usesUriStyleNodeCoreModules: usesUriStyleNodeCoreModules, + isEmittedFile: isEmittedFile, + getConfigFileParsingDiagnostics: getConfigFileParsingDiagnostics, + getResolvedModuleWithFailedLookupLocationsFromCache: getResolvedModuleWithFailedLookupLocationsFromCache, + getProjectReferences: getProjectReferences, + getResolvedProjectReferences: getResolvedProjectReferences, + getProjectReferenceRedirect: getProjectReferenceRedirect, + getResolvedProjectReferenceToRedirect: getResolvedProjectReferenceToRedirect, + getResolvedProjectReferenceByPath: getResolvedProjectReferenceByPath, + forEachResolvedProjectReference: forEachResolvedProjectReference, + isSourceOfProjectReferenceRedirect: isSourceOfProjectReferenceRedirect, + emitBuildInfo: emitBuildInfo, + fileExists: fileExists, + readFile: readFile, + directoryExists: directoryExists, + getSymlinkCache: getSymlinkCache, + realpath: (_d = host.realpath) === null || _d === void 0 ? void 0 : _d.bind(host), + useCaseSensitiveFileNames: function () { return host.useCaseSensitiveFileNames(); }, + getFileIncludeReasons: function () { return fileReasons; }, + structureIsReused: structureIsReused, + writeFile: writeFile, + }; + onProgramCreateComplete(); + // Add file processingDiagnostics + fileProcessingDiagnostics === null || fileProcessingDiagnostics === void 0 ? void 0 : fileProcessingDiagnostics.forEach(function (diagnostic) { + switch (diagnostic.kind) { + case 1 /* FilePreprocessingDiagnosticsKind.FilePreprocessingFileExplainingDiagnostic */: + return programDiagnostics.add(createDiagnosticExplainingFile(diagnostic.file && getSourceFileByPath(diagnostic.file), diagnostic.fileProcessingReason, diagnostic.diagnostic, diagnostic.args || ts.emptyArray)); + case 0 /* FilePreprocessingDiagnosticsKind.FilePreprocessingReferencedDiagnostic */: + var _a = getReferencedFileLocation(getSourceFileByPath, diagnostic.reason), file = _a.file, pos = _a.pos, end = _a.end; + return programDiagnostics.add(ts.createFileDiagnostic.apply(void 0, __spreadArray([file, ts.Debug.checkDefined(pos), ts.Debug.checkDefined(end) - pos, diagnostic.diagnostic], diagnostic.args || ts.emptyArray, false))); + default: + ts.Debug.assertNever(diagnostic); + } + }); + verifyCompilerOptions(); + ts.performance.mark("afterProgram"); + ts.performance.measure("Program", "beforeProgram", "afterProgram"); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return program; + function addResolutionDiagnostics(list) { + if (!list) + return; + for (var _i = 0, list_3 = list; _i < list_3.length; _i++) { + var elem = list_3[_i]; + programDiagnostics.add(elem); + } + } + function pullDiagnosticsFromCache(names, containingFile) { + var _a; + if (!moduleResolutionCache) + return; + var containingFileName = ts.getNormalizedAbsolutePath(containingFile.originalFileName, currentDirectory); + var containingFileMode = !ts.isString(containingFile) ? containingFile.impliedNodeFormat : undefined; + var containingDir = ts.getDirectoryPath(containingFileName); + var redirectedReference = getRedirectReferenceForResolution(containingFile); + var i = 0; + for (var _i = 0, names_4 = names; _i < names_4.length; _i++) { + var n = names_4[_i]; + // mimics logic done in the resolution cache, should be resilient to upgrading it to use `FileReference`s for non-type-reference modal lookups to make it rely on the index in the list less + var mode = typeof n === "string" ? getModeForResolutionAtIndex(containingFile, i) : getModeForFileReference(n, containingFileMode); + var name = typeof n === "string" ? n : n.fileName; + i++; + // only nonrelative names hit the cache, and, at least as of right now, only nonrelative names can issue diagnostics + // (Since diagnostics are only issued via import or export map lookup) + // This may totally change if/when the issue of output paths not mapping to input files is fixed in a broader context + // When it is, how we extract diagnostics from the module name resolver will have the be refined - the current cache + // APIs wrapping the underlying resolver make it almost impossible to smuggle the diagnostics out in a generalized way + if (ts.isExternalModuleNameRelative(name)) + continue; + var diags = (_a = moduleResolutionCache.getOrCreateCacheForModuleName(name, mode, redirectedReference).get(containingDir)) === null || _a === void 0 ? void 0 : _a.resolutionDiagnostics; + addResolutionDiagnostics(diags); + } + } + function resolveModuleNamesWorker(moduleNames, containingFile, reusedNames) { + if (!moduleNames.length) + return ts.emptyArray; + var containingFileName = ts.getNormalizedAbsolutePath(containingFile.originalFileName, currentDirectory); + var redirectedReference = getRedirectReferenceForResolution(containingFile); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "resolveModuleNamesWorker", { containingFileName: containingFileName }); + ts.performance.mark("beforeResolveModule"); + var result = actualResolveModuleNamesWorker(moduleNames, containingFile, containingFileName, reusedNames, redirectedReference); + ts.performance.mark("afterResolveModule"); + ts.performance.measure("ResolveModule", "beforeResolveModule", "afterResolveModule"); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + pullDiagnosticsFromCache(moduleNames, containingFile); + return result; + } + function resolveTypeReferenceDirectiveNamesWorker(typeDirectiveNames, containingFile) { + if (!typeDirectiveNames.length) + return []; + var containingFileName = !ts.isString(containingFile) ? ts.getNormalizedAbsolutePath(containingFile.originalFileName, currentDirectory) : containingFile; + var redirectedReference = !ts.isString(containingFile) ? getRedirectReferenceForResolution(containingFile) : undefined; + var containingFileMode = !ts.isString(containingFile) ? containingFile.impliedNodeFormat : undefined; + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "resolveTypeReferenceDirectiveNamesWorker", { containingFileName: containingFileName }); + ts.performance.mark("beforeResolveTypeReference"); + var result = actualResolveTypeReferenceDirectiveNamesWorker(typeDirectiveNames, containingFileName, redirectedReference, containingFileMode); + ts.performance.mark("afterResolveTypeReference"); + ts.performance.measure("ResolveTypeReference", "beforeResolveTypeReference", "afterResolveTypeReference"); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return result; + } + function getRedirectReferenceForResolution(file) { + var redirect = getResolvedProjectReferenceToRedirect(file.originalFileName); + if (redirect || !ts.isDeclarationFileName(file.originalFileName)) + return redirect; + // The originalFileName could not be actual source file name if file found was d.ts from referecned project + // So in this case try to look up if this is output from referenced project, if it is use the redirected project in that case + var resultFromDts = getRedirectReferenceForResolutionFromSourceOfProject(file.path); + if (resultFromDts) + return resultFromDts; + // If preserveSymlinks is true, module resolution wont jump the symlink + // but the resolved real path may be the .d.ts from project reference + // Note:: Currently we try the real path only if the + // file is from node_modules to avoid having to run real path on all file paths + if (!host.realpath || !options.preserveSymlinks || !ts.stringContains(file.originalFileName, ts.nodeModulesPathPart)) + return undefined; + var realDeclarationPath = toPath(host.realpath(file.originalFileName)); + return realDeclarationPath === file.path ? undefined : getRedirectReferenceForResolutionFromSourceOfProject(realDeclarationPath); + } + function getRedirectReferenceForResolutionFromSourceOfProject(filePath) { + var source = getSourceOfProjectReferenceRedirect(filePath); + if (ts.isString(source)) + return getResolvedProjectReferenceToRedirect(source); + if (!source) + return undefined; + // Output of .d.ts file so return resolved ref that matches the out file name + return forEachResolvedProjectReference(function (resolvedRef) { + var out = ts.outFile(resolvedRef.commandLine.options); + if (!out) + return undefined; + return toPath(out) === filePath ? resolvedRef : undefined; + }); + } + function compareDefaultLibFiles(a, b) { + return ts.compareValues(getDefaultLibFilePriority(a), getDefaultLibFilePriority(b)); + } + function getDefaultLibFilePriority(a) { + if (ts.containsPath(defaultLibraryPath, a.fileName, /*ignoreCase*/ false)) { + var basename = ts.getBaseFileName(a.fileName); + if (basename === "lib.d.ts" || basename === "lib.es6.d.ts") + return 0; + var name = ts.removeSuffix(ts.removePrefix(basename, "lib."), ".d.ts"); + var index = ts.libs.indexOf(name); + if (index !== -1) + return index + 1; + } + return ts.libs.length + 2; + } + function getResolvedModuleWithFailedLookupLocationsFromCache(moduleName, containingFile, mode) { + return moduleResolutionCache && ts.resolveModuleNameFromCache(moduleName, containingFile, moduleResolutionCache, mode); + } + function toPath(fileName) { + return ts.toPath(fileName, currentDirectory, getCanonicalFileName); + } + function getCommonSourceDirectory() { + if (commonSourceDirectory === undefined) { + var emittedFiles_1 = ts.filter(files, function (file) { return ts.sourceFileMayBeEmitted(file, program); }); + commonSourceDirectory = ts.getCommonSourceDirectory(options, function () { return ts.mapDefined(emittedFiles_1, function (file) { return file.isDeclarationFile ? undefined : file.fileName; }); }, currentDirectory, getCanonicalFileName, function (commonSourceDirectory) { return checkSourceFilesBelongToPath(emittedFiles_1, commonSourceDirectory); }); + } + return commonSourceDirectory; + } + function getClassifiableNames() { + var _a; + if (!classifiableNames) { + // Initialize a checker so that all our files are bound. + getTypeChecker(); + classifiableNames = new ts.Set(); + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var sourceFile = files_3[_i]; + (_a = sourceFile.classifiableNames) === null || _a === void 0 ? void 0 : _a.forEach(function (value) { return classifiableNames.add(value); }); + } + } + return classifiableNames; + } + function resolveModuleNamesReusingOldState(moduleNames, file) { + if (structureIsReused === 0 /* StructureIsReused.Not */ && !file.ambientModuleNames.length) { + // If the old program state does not permit reusing resolutions and `file` does not contain locally defined ambient modules, + // the best we can do is fallback to the default logic. + return resolveModuleNamesWorker(moduleNames, file, /*reusedNames*/ undefined); + } + var oldSourceFile = oldProgram && oldProgram.getSourceFile(file.fileName); + if (oldSourceFile !== file && file.resolvedModules) { + // `file` was created for the new program. + // + // We only set `file.resolvedModules` via work from the current function, + // so it is defined iff we already called the current function on `file`. + // That call happened no later than the creation of the `file` object, + // which per above occurred during the current program creation. + // Since we assume the filesystem does not change during program creation, + // it is safe to reuse resolutions from the earlier call. + var result_14 = []; + var i = 0; + for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { + var moduleName = moduleNames_1[_i]; + var resolvedModule = file.resolvedModules.get(moduleName, getModeForResolutionAtIndex(file, i)); + i++; + result_14.push(resolvedModule); + } + return result_14; + } + // At this point, we know at least one of the following hold: + // - file has local declarations for ambient modules + // - old program state is available + // With this information, we can infer some module resolutions without performing resolution. + /** An ordered list of module names for which we cannot recover the resolution. */ + var unknownModuleNames; + /** + * The indexing of elements in this list matches that of `moduleNames`. + * + * Before combining results, result[i] is in one of the following states: + * * undefined: needs to be recomputed, + * * predictedToResolveToAmbientModuleMarker: known to be an ambient module. + * Needs to be reset to undefined before returning, + * * ResolvedModuleFull instance: can be reused. + */ + var result; + var reusedNames; + /** A transient placeholder used to mark predicted resolution in the result list. */ + var predictedToResolveToAmbientModuleMarker = {}; + for (var i = 0; i < moduleNames.length; i++) { + var moduleName = moduleNames[i]; + // If the source file is unchanged and doesnt have invalidated resolution, reuse the module resolutions + if (file === oldSourceFile && !hasInvalidatedResolution(oldSourceFile.path)) { + var oldResolvedModule = ts.getResolvedModule(oldSourceFile, moduleName, getModeForResolutionAtIndex(oldSourceFile, i)); + if (oldResolvedModule) { + if (ts.isTraceEnabled(options, host)) { + ts.trace(host, oldResolvedModule.packageId ? + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2_with_Package_ID_3 : + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2, moduleName, ts.getNormalizedAbsolutePath(file.originalFileName, currentDirectory), oldResolvedModule.resolvedFileName, oldResolvedModule.packageId && ts.packageIdToString(oldResolvedModule.packageId)); + } + (result || (result = new Array(moduleNames.length)))[i] = oldResolvedModule; + (reusedNames || (reusedNames = [])).push(moduleName); + continue; + } + } + // We know moduleName resolves to an ambient module provided that moduleName: + // - is in the list of ambient modules locally declared in the current source file. + // - resolved to an ambient module in the old program whose declaration is in an unmodified file + // (so the same module declaration will land in the new program) + var resolvesToAmbientModuleInNonModifiedFile = false; + if (ts.contains(file.ambientModuleNames, moduleName)) { + resolvesToAmbientModuleInNonModifiedFile = true; + if (ts.isTraceEnabled(options, host)) { + ts.trace(host, ts.Diagnostics.Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1, moduleName, ts.getNormalizedAbsolutePath(file.originalFileName, currentDirectory)); + } + } + else { + resolvesToAmbientModuleInNonModifiedFile = moduleNameResolvesToAmbientModuleInNonModifiedFile(moduleName, i); + } + if (resolvesToAmbientModuleInNonModifiedFile) { + (result || (result = new Array(moduleNames.length)))[i] = predictedToResolveToAmbientModuleMarker; + } + else { + // Resolution failed in the old program, or resolved to an ambient module for which we can't reuse the result. + (unknownModuleNames || (unknownModuleNames = [])).push(moduleName); + } + } + var resolutions = unknownModuleNames && unknownModuleNames.length + ? resolveModuleNamesWorker(unknownModuleNames, file, reusedNames) + : ts.emptyArray; + // Combine results of resolutions and predicted results + if (!result) { + // There were no unresolved/ambient resolutions. + ts.Debug.assert(resolutions.length === moduleNames.length); + return resolutions; + } + var j = 0; + for (var i = 0; i < result.length; i++) { + if (result[i]) { + // `result[i]` is either a `ResolvedModuleFull` or a marker. + // If it is the former, we can leave it as is. + if (result[i] === predictedToResolveToAmbientModuleMarker) { + result[i] = undefined; // TODO: GH#18217 + } + } + else { + result[i] = resolutions[j]; + j++; + } + } + ts.Debug.assert(j === resolutions.length); + return result; + // If we change our policy of rechecking failed lookups on each program create, + // we should adjust the value returned here. + function moduleNameResolvesToAmbientModuleInNonModifiedFile(moduleName, index) { + if (index >= ts.length(oldSourceFile === null || oldSourceFile === void 0 ? void 0 : oldSourceFile.imports) + ts.length(oldSourceFile === null || oldSourceFile === void 0 ? void 0 : oldSourceFile.moduleAugmentations)) + return false; // mode index out of bounds, don't reuse resolution + var resolutionToFile = ts.getResolvedModule(oldSourceFile, moduleName, oldSourceFile && getModeForResolutionAtIndex(oldSourceFile, index)); + var resolvedFile = resolutionToFile && oldProgram.getSourceFile(resolutionToFile.resolvedFileName); + if (resolutionToFile && resolvedFile) { + // In the old program, we resolved to an ambient module that was in the same + // place as we expected to find an actual module file. + // We actually need to return 'false' here even though this seems like a 'true' case + // because the normal module resolution algorithm will find this anyway. + return false; + } + // at least one of declarations should come from non-modified source file + var unmodifiedFile = ambientModuleNameToUnmodifiedFileName.get(moduleName); + if (!unmodifiedFile) { + return false; + } + if (ts.isTraceEnabled(options, host)) { + ts.trace(host, ts.Diagnostics.Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified, moduleName, unmodifiedFile); + } + return true; + } + } + function canReuseProjectReferences() { + return !forEachProjectReference(oldProgram.getProjectReferences(), oldProgram.getResolvedProjectReferences(), function (oldResolvedRef, parent, index) { + var newRef = (parent ? parent.commandLine.projectReferences : projectReferences)[index]; + var newResolvedRef = parseProjectReferenceConfigFile(newRef); + if (oldResolvedRef) { + // Resolved project reference has gone missing or changed + return !newResolvedRef || + newResolvedRef.sourceFile !== oldResolvedRef.sourceFile || + !ts.arrayIsEqualTo(oldResolvedRef.commandLine.fileNames, newResolvedRef.commandLine.fileNames); + } + else { + // A previously-unresolved reference may be resolved now + return newResolvedRef !== undefined; + } + }, function (oldProjectReferences, parent) { + // If array of references is changed, we cant resue old program + var newReferences = parent ? getResolvedProjectReferenceByPath(parent.sourceFile.path).commandLine.projectReferences : projectReferences; + return !ts.arrayIsEqualTo(oldProjectReferences, newReferences, ts.projectReferenceIsEqualTo); + }); + } + function tryReuseStructureFromOldProgram() { + var _a; + if (!oldProgram) { + return 0 /* StructureIsReused.Not */; + } + // check properties that can affect structure of the program or module resolution strategy + // if any of these properties has changed - structure cannot be reused + var oldOptions = oldProgram.getCompilerOptions(); + if (ts.changesAffectModuleResolution(oldOptions, options)) { + return 0 /* StructureIsReused.Not */; + } + // there is an old program, check if we can reuse its structure + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return 0 /* StructureIsReused.Not */; + } + // Check if any referenced project tsconfig files are different + if (!canReuseProjectReferences()) { + return 0 /* StructureIsReused.Not */; + } + if (projectReferences) { + resolvedProjectReferences = projectReferences.map(parseProjectReferenceConfigFile); + } + // check if program source files has changed in the way that can affect structure of the program + var newSourceFiles = []; + var modifiedSourceFiles = []; + structureIsReused = 2 /* StructureIsReused.Completely */; + // If the missing file paths are now present, it can change the progam structure, + // and hence cant reuse the structure. + // This is same as how we dont reuse the structure if one of the file from old program is now missing + if (oldProgram.getMissingFilePaths().some(function (missingFilePath) { return host.fileExists(missingFilePath); })) { + return 0 /* StructureIsReused.Not */; + } + var oldSourceFiles = oldProgram.getSourceFiles(); + var SeenPackageName; + (function (SeenPackageName) { + SeenPackageName[SeenPackageName["Exists"] = 0] = "Exists"; + SeenPackageName[SeenPackageName["Modified"] = 1] = "Modified"; + })(SeenPackageName || (SeenPackageName = {})); + var seenPackageNames = new ts.Map(); + for (var _i = 0, oldSourceFiles_2 = oldSourceFiles; _i < oldSourceFiles_2.length; _i++) { + var oldSourceFile = oldSourceFiles_2[_i]; + var newSourceFile = host.getSourceFileByPath + ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.resolvedPath, getCreateSourceFileOptions(oldSourceFile.fileName, moduleResolutionCache, host, options), /*onError*/ undefined, shouldCreateNewSourceFile) + : host.getSourceFile(oldSourceFile.fileName, getCreateSourceFileOptions(oldSourceFile.fileName, moduleResolutionCache, host, options), /*onError*/ undefined, shouldCreateNewSourceFile); // TODO: GH#18217 + if (!newSourceFile) { + return 0 /* StructureIsReused.Not */; + } + ts.Debug.assert(!newSourceFile.redirectInfo, "Host should not return a redirect source file from `getSourceFile`"); + var fileChanged = void 0; + if (oldSourceFile.redirectInfo) { + // We got `newSourceFile` by path, so it is actually for the unredirected file. + // This lets us know if the unredirected file has changed. If it has we should break the redirect. + if (newSourceFile !== oldSourceFile.redirectInfo.unredirected) { + // Underlying file has changed. Might not redirect anymore. Must rebuild program. + return 0 /* StructureIsReused.Not */; + } + fileChanged = false; + newSourceFile = oldSourceFile; // Use the redirect. + } + else if (oldProgram.redirectTargetsMap.has(oldSourceFile.path)) { + // If a redirected-to source file changes, the redirect may be broken. + if (newSourceFile !== oldSourceFile) { + return 0 /* StructureIsReused.Not */; + } + fileChanged = false; + } + else { + fileChanged = newSourceFile !== oldSourceFile; + } + // Since the project references havent changed, its right to set originalFileName and resolvedPath here + newSourceFile.path = oldSourceFile.path; + newSourceFile.originalFileName = oldSourceFile.originalFileName; + newSourceFile.resolvedPath = oldSourceFile.resolvedPath; + newSourceFile.fileName = oldSourceFile.fileName; + var packageName = oldProgram.sourceFileToPackageName.get(oldSourceFile.path); + if (packageName !== undefined) { + // If there are 2 different source files for the same package name and at least one of them changes, + // they might become redirects. So we must rebuild the program. + var prevKind = seenPackageNames.get(packageName); + var newKind = fileChanged ? 1 /* SeenPackageName.Modified */ : 0 /* SeenPackageName.Exists */; + if ((prevKind !== undefined && newKind === 1 /* SeenPackageName.Modified */) || prevKind === 1 /* SeenPackageName.Modified */) { + return 0 /* StructureIsReused.Not */; + } + seenPackageNames.set(packageName, newKind); + } + if (fileChanged) { + // The `newSourceFile` object was created for the new program. + if (!ts.arrayIsEqualTo(oldSourceFile.libReferenceDirectives, newSourceFile.libReferenceDirectives, fileReferenceIsEqualTo)) { + // 'lib' references has changed. Matches behavior in changesAffectModuleResolution + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + // value of no-default-lib has changed + // this will affect if default library is injected into the list of files + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + // check tripleslash references + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + // tripleslash references has changed + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + // check imports and module augmentations + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + // imports has changed + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + // moduleAugmentations has changed + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + if ((oldSourceFile.flags & 6291456 /* NodeFlags.PermanentlySetIncrementalFlags */) !== (newSourceFile.flags & 6291456 /* NodeFlags.PermanentlySetIncrementalFlags */)) { + // dynamicImport has changed + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) { + // 'types' references has changed + structureIsReused = 1 /* StructureIsReused.SafeModules */; + } + // tentatively approve the file + modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile }); + } + else if (hasInvalidatedResolution(oldSourceFile.path)) { + // 'module/types' references could have changed + structureIsReused = 1 /* StructureIsReused.SafeModules */; + // add file to the modified list so that we will resolve it later + modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile }); + } + // if file has passed all checks it should be safe to reuse it + newSourceFiles.push(newSourceFile); + } + if (structureIsReused !== 2 /* StructureIsReused.Completely */) { + return structureIsReused; + } + var modifiedFiles = modifiedSourceFiles.map(function (f) { return f.oldFile; }); + for (var _b = 0, oldSourceFiles_3 = oldSourceFiles; _b < oldSourceFiles_3.length; _b++) { + var oldFile = oldSourceFiles_3[_b]; + if (!ts.contains(modifiedFiles, oldFile)) { + for (var _c = 0, _d = oldFile.ambientModuleNames; _c < _d.length; _c++) { + var moduleName = _d[_c]; + ambientModuleNameToUnmodifiedFileName.set(moduleName, oldFile.fileName); + } + } + } + // try to verify results of module resolution + for (var _e = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _e < modifiedSourceFiles_1.length; _e++) { + var _f = modifiedSourceFiles_1[_e], oldSourceFile = _f.oldFile, newSourceFile = _f.newFile; + var moduleNames = getModuleNames(newSourceFile); + var resolutions = resolveModuleNamesReusingOldState(moduleNames, newSourceFile); + // ensure that module resolution results are still correct + var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, oldSourceFile, ts.moduleResolutionIsEqualTo); + if (resolutionsChanged) { + structureIsReused = 1 /* StructureIsReused.SafeModules */; + newSourceFile.resolvedModules = ts.zipToModeAwareCache(newSourceFile, moduleNames, resolutions); + } + else { + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + } + var typesReferenceDirectives = newSourceFile.typeReferenceDirectives; + var typeReferenceResolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFile); + // ensure that types resolutions are still correct + var typeReferenceResolutionsChanged = ts.hasChangesInResolutions(typesReferenceDirectives, typeReferenceResolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, oldSourceFile, ts.typeDirectiveIsEqualTo); + if (typeReferenceResolutionsChanged) { + structureIsReused = 1 /* StructureIsReused.SafeModules */; + newSourceFile.resolvedTypeReferenceDirectiveNames = ts.zipToModeAwareCache(newSourceFile, typesReferenceDirectives, typeReferenceResolutions); + } + else { + newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames; + } + } + if (structureIsReused !== 2 /* StructureIsReused.Completely */) { + return structureIsReused; + } + if (ts.changesAffectingProgramStructure(oldOptions, options) || ((_a = host.hasChangedAutomaticTypeDirectiveNames) === null || _a === void 0 ? void 0 : _a.call(host))) { + return 1 /* StructureIsReused.SafeModules */; + } + missingFilePaths = oldProgram.getMissingFilePaths(); + // update fileName -> file mapping + ts.Debug.assert(newSourceFiles.length === oldProgram.getSourceFiles().length); + for (var _g = 0, newSourceFiles_1 = newSourceFiles; _g < newSourceFiles_1.length; _g++) { + var newSourceFile = newSourceFiles_1[_g]; + filesByName.set(newSourceFile.path, newSourceFile); + } + var oldFilesByNameMap = oldProgram.getFilesByNameMap(); + oldFilesByNameMap.forEach(function (oldFile, path) { + if (!oldFile) { + filesByName.set(path, oldFile); + return; + } + if (oldFile.path === path) { + // Set the file as found during node modules search if it was found that way in old progra, + if (oldProgram.isSourceFileFromExternalLibrary(oldFile)) { + sourceFilesFoundSearchingNodeModules.set(oldFile.path, true); + } + return; + } + filesByName.set(path, filesByName.get(oldFile.path)); + }); + files = newSourceFiles; + fileReasons = oldProgram.getFileIncludeReasons(); + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives(); + sourceFileToPackageName = oldProgram.sourceFileToPackageName; + redirectTargetsMap = oldProgram.redirectTargetsMap; + usesUriStyleNodeCoreModules = oldProgram.usesUriStyleNodeCoreModules; + return 2 /* StructureIsReused.Completely */; + } + function getEmitHost(writeFileCallback) { + return { + getPrependNodes: getPrependNodes, + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFileByPath: program.getSourceFileByPath, + getSourceFiles: program.getSourceFiles, + getLibFileFromReference: program.getLibFileFromReference, + isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary, + getResolvedProjectReferenceToRedirect: getResolvedProjectReferenceToRedirect, + getProjectReferenceRedirect: getProjectReferenceRedirect, + isSourceOfProjectReferenceRedirect: isSourceOfProjectReferenceRedirect, + getSymlinkCache: getSymlinkCache, + writeFile: writeFileCallback || writeFile, + isEmitBlocked: isEmitBlocked, + readFile: function (f) { return host.readFile(f); }, + fileExists: function (f) { + // Use local caches + var path = toPath(f); + if (getSourceFileByPath(path)) + return true; + if (ts.contains(missingFilePaths, path)) + return false; + // Before falling back to the host + return host.fileExists(f); + }, + useCaseSensitiveFileNames: function () { return host.useCaseSensitiveFileNames(); }, + getProgramBuildInfo: function () { return program.getProgramBuildInfo && program.getProgramBuildInfo(); }, + getSourceFileFromReference: function (file, ref) { return program.getSourceFileFromReference(file, ref); }, + redirectTargetsMap: redirectTargetsMap, + getFileIncludeReasons: program.getFileIncludeReasons, + }; + } + function writeFile(fileName, text, writeByteOrderMark, onError, sourceFiles, data) { + host.writeFile(fileName, text, writeByteOrderMark, onError, sourceFiles, data); + } + function emitBuildInfo(writeFileCallback) { + ts.Debug.assert(!ts.outFile(options)); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("emit" /* tracing.Phase.Emit */, "emitBuildInfo", {}, /*separateBeginAndEnd*/ true); + ts.performance.mark("beforeEmit"); + var emitResult = ts.emitFiles(ts.notImplementedResolver, getEmitHost(writeFileCallback), + /*targetSourceFile*/ undefined, + /*transformers*/ ts.noTransformers, + /*emitOnlyDtsFiles*/ false, + /*onlyBuildInfo*/ true); + ts.performance.mark("afterEmit"); + ts.performance.measure("Emit", "beforeEmit", "afterEmit"); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return emitResult; + } + function getResolvedProjectReferences() { + return resolvedProjectReferences; + } + function getProjectReferences() { + return projectReferences; + } + function getPrependNodes() { + return createPrependNodes(projectReferences, function (_ref, index) { var _a; return (_a = resolvedProjectReferences[index]) === null || _a === void 0 ? void 0 : _a.commandLine; }, function (fileName) { + var path = toPath(fileName); + var sourceFile = getSourceFileByPath(path); + return sourceFile ? sourceFile.text : filesByName.has(path) ? undefined : host.readFile(path); + }); + } + function isSourceFileFromExternalLibrary(file) { + return !!sourceFilesFoundSearchingNodeModules.get(file.path); + } + function isSourceFileDefaultLibrary(file) { + if (!file.isDeclarationFile) { + return false; + } + if (file.hasNoDefaultLib) { + return true; + } + if (!options.noLib) { + return false; + } + // If '--lib' is not specified, include default library file according to '--target' + // otherwise, using options specified in '--lib' instead of '--target' default library file + var equalityComparer = host.useCaseSensitiveFileNames() ? ts.equateStringsCaseSensitive : ts.equateStringsCaseInsensitive; + if (!options.lib) { + return equalityComparer(file.fileName, getDefaultLibraryFileName()); + } + else { + return ts.some(options.lib, function (libFileName) { return equalityComparer(file.fileName, pathForLibFile(libFileName)); }); + } + } + function getTypeChecker() { + return typeChecker || (typeChecker = ts.createTypeChecker(program)); + } + function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, transformers, forceDtsEmit) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("emit" /* tracing.Phase.Emit */, "emit", { path: sourceFile === null || sourceFile === void 0 ? void 0 : sourceFile.path }, /*separateBeginAndEnd*/ true); + var result = runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, transformers, forceDtsEmit); }); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return result; + } + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.has(toPath(emitFileName)); + } + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, customTransformers, forceDtsEmit) { + if (!forceDtsEmit) { + var result = handleNoEmitOptions(program, sourceFile, writeFileCallback, cancellationToken); + if (result) + return result; + } + // Create the emit resolver outside of the "emitTime" tracking code below. That way + // any cost associated with it (like type checking) are appropriate associated with + // the type-checking counter. + // + // If the -out option is specified, we should not pass the source file to getEmitResolver. + // This is because in the -out scenario all files need to be emitted, and therefore all + // files need to be type checked. And the way to specify that all files need to be type + // checked is to not pass the file to getEmitResolver. + var emitResolver = getTypeChecker().getEmitResolver(ts.outFile(options) ? undefined : sourceFile, cancellationToken); + ts.performance.mark("beforeEmit"); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, ts.getTransformers(options, customTransformers, emitOnlyDtsFiles), emitOnlyDtsFiles, + /*onlyBuildInfo*/ false, forceDtsEmit); + ts.performance.mark("afterEmit"); + ts.performance.measure("Emit", "beforeEmit", "afterEmit"); + return emitResult; + } + function getSourceFile(fileName) { + return getSourceFileByPath(toPath(fileName)); + } + function getSourceFileByPath(path) { + return filesByName.get(path) || undefined; + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); + } + return ts.sortAndDeduplicateDiagnostics(ts.flatMap(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); + } + return getDiagnostics(sourceFile, cancellationToken); + })); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getCachedSemanticDiagnostics(sourceFile) { + var _a; + return sourceFile + ? (_a = cachedBindAndCheckDiagnosticsForFile.perFile) === null || _a === void 0 ? void 0 : _a.get(sourceFile.path) + : cachedBindAndCheckDiagnosticsForFile.allDiagnostics; + } + function getBindAndCheckDiagnostics(sourceFile, cancellationToken) { + return getBindAndCheckDiagnosticsForFile(sourceFile, cancellationToken); + } + function getProgramDiagnostics(sourceFile) { + var _a; + if (ts.skipTypeChecking(sourceFile, options, program)) { + return ts.emptyArray; + } + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + if (!((_a = sourceFile.commentDirectives) === null || _a === void 0 ? void 0 : _a.length)) { + return programDiagnosticsInFile; + } + return getDiagnosticsWithPrecedingDirectives(sourceFile, sourceFile.commentDirectives, programDiagnosticsInFile).diagnostics; + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + var options = program.getCompilerOptions(); + // collect diagnostics from the program only once if either no source file was specified or out/outFile is set (bundled emit) + if (!sourceFile || ts.outFile(options)) { + return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + } + else { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + } + } + function getSyntacticDiagnosticsForFile(sourceFile) { + // For JavaScript files, we report semantic errors for using TypeScript-only + // constructs from within a JavaScript file as syntactic errors. + if (ts.isSourceFileJS(sourceFile)) { + if (!sourceFile.additionalSyntacticDiagnostics) { + sourceFile.additionalSyntacticDiagnostics = getJSSyntacticDiagnosticsForFile(sourceFile); + } + return ts.concatenate(sourceFile.additionalSyntacticDiagnostics, sourceFile.parseDiagnostics); + } + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); + } + catch (e) { + if (e instanceof ts.OperationCanceledException) { + // We were canceled while performing the operation. Because our type checker + // might be a bad state, we need to throw it away. + typeChecker = undefined; + } + throw e; + } + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return ts.concatenate(filterSemanticDiagnostics(getBindAndCheckDiagnosticsForFile(sourceFile, cancellationToken), options), getProgramDiagnostics(sourceFile)); + } + function getBindAndCheckDiagnosticsForFile(sourceFile, cancellationToken) { + return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedBindAndCheckDiagnosticsForFile, getBindAndCheckDiagnosticsForFileNoCache); + } + function getBindAndCheckDiagnosticsForFileNoCache(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + if (ts.skipTypeChecking(sourceFile, options, program)) { + return ts.emptyArray; + } + var typeChecker = getTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var isJs = sourceFile.scriptKind === 1 /* ScriptKind.JS */ || sourceFile.scriptKind === 2 /* ScriptKind.JSX */; + var isCheckJs = isJs && ts.isCheckJsEnabledForFile(sourceFile, options); + var isPlainJs = ts.isPlainJsFile(sourceFile, options.checkJs); + var isTsNoCheck = !!sourceFile.checkJsDirective && sourceFile.checkJsDirective.enabled === false; + // By default, only type-check .ts, .tsx, Deferred, plain JS, checked JS and External + // - plain JS: .js files with no // ts-check and checkJs: undefined + // - check JS: .js files with either // ts-check or checkJs: true + // - external: files that are added by plugins + var includeBindAndCheckDiagnostics = !isTsNoCheck && (sourceFile.scriptKind === 3 /* ScriptKind.TS */ || sourceFile.scriptKind === 4 /* ScriptKind.TSX */ + || sourceFile.scriptKind === 5 /* ScriptKind.External */ || isPlainJs || isCheckJs || sourceFile.scriptKind === 7 /* ScriptKind.Deferred */); + var bindDiagnostics = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : ts.emptyArray; + var checkDiagnostics = includeBindAndCheckDiagnostics ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : ts.emptyArray; + if (isPlainJs) { + bindDiagnostics = ts.filter(bindDiagnostics, function (d) { return ts.plainJSErrors.has(d.code); }); + checkDiagnostics = ts.filter(checkDiagnostics, function (d) { return ts.plainJSErrors.has(d.code); }); + } + // skip ts-expect-error errors in plain JS files, and skip JSDoc errors except in checked JS + return getMergedBindAndCheckDiagnostics(sourceFile, includeBindAndCheckDiagnostics && !isPlainJs, bindDiagnostics, checkDiagnostics, isCheckJs ? sourceFile.jsDocDiagnostics : undefined); + }); + } + function getMergedBindAndCheckDiagnostics(sourceFile, includeBindAndCheckDiagnostics) { + var _a; + var allDiagnostics = []; + for (var _i = 2; _i < arguments.length; _i++) { + allDiagnostics[_i - 2] = arguments[_i]; + } + var flatDiagnostics = ts.flatten(allDiagnostics); + if (!includeBindAndCheckDiagnostics || !((_a = sourceFile.commentDirectives) === null || _a === void 0 ? void 0 : _a.length)) { + return flatDiagnostics; + } + var _b = getDiagnosticsWithPrecedingDirectives(sourceFile, sourceFile.commentDirectives, flatDiagnostics), diagnostics = _b.diagnostics, directives = _b.directives; + for (var _c = 0, _d = directives.getUnusedExpectations(); _c < _d.length; _c++) { + var errorExpectation = _d[_c]; + diagnostics.push(ts.createDiagnosticForRange(sourceFile, errorExpectation.range, ts.Diagnostics.Unused_ts_expect_error_directive)); + } + return diagnostics; + } + /** + * Creates a map of comment directives along with the diagnostics immediately preceded by one of them. + * Comments that match to any of those diagnostics are marked as used. + */ + function getDiagnosticsWithPrecedingDirectives(sourceFile, commentDirectives, flatDiagnostics) { + // Diagnostics are only reported if there is no comment directive preceding them + // This will modify the directives map by marking "used" ones with a corresponding diagnostic + var directives = ts.createCommentDirectivesMap(sourceFile, commentDirectives); + var diagnostics = flatDiagnostics.filter(function (diagnostic) { return markPrecedingCommentDirectiveLine(diagnostic, directives) === -1; }); + return { diagnostics: diagnostics, directives: directives }; + } + function getSuggestionDiagnostics(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + return getTypeChecker().getSuggestionDiagnostics(sourceFile, cancellationToken); + }); + } + /** + * @returns The line index marked as preceding the diagnostic, or -1 if none was. + */ + function markPrecedingCommentDirectiveLine(diagnostic, directives) { + var file = diagnostic.file, start = diagnostic.start; + if (!file) { + return -1; + } + // Start out with the line just before the text + var lineStarts = ts.getLineStarts(file); + var line = ts.computeLineAndCharacterOfPosition(lineStarts, start).line - 1; // TODO: GH#18217 + while (line >= 0) { + // As soon as that line is known to have a comment directive, use that + if (directives.markUsed(line)) { + return line; + } + // Stop searching if the line is not empty and not a comment + var lineText = file.text.slice(lineStarts[line], lineStarts[line + 1]).trim(); + if (lineText !== "" && !/^(\s*)\/\/(.*)$/.test(lineText)) { + return -1; + } + line--; + } + return -1; + } + function getJSSyntacticDiagnosticsForFile(sourceFile) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile, sourceFile); + ts.forEachChildRecursively(sourceFile, walk, walkArray); + return diagnostics; + function walk(node, parent) { + // Return directly from the case if the given node doesnt want to visit each child + // Otherwise break to visit each child + switch (parent.kind) { + case 164 /* SyntaxKind.Parameter */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + if (parent.questionToken === node) { + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, "?")); + return "skip"; + } + // falls through + case 168 /* SyntaxKind.MethodSignature */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 214 /* SyntaxKind.ArrowFunction */: + case 254 /* SyntaxKind.VariableDeclaration */: + // type annotation + if (parent.type === node) { + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Type_annotations_can_only_be_used_in_TypeScript_files)); + return "skip"; + } + } + switch (node.kind) { + case 267 /* SyntaxKind.ImportClause */: + if (node.isTypeOnly) { + diagnostics.push(createDiagnosticForNode(parent, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, "import type")); + return "skip"; + } + break; + case 272 /* SyntaxKind.ExportDeclaration */: + if (node.isTypeOnly) { + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, "export type")); + return "skip"; + } + break; + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: + if (node.isTypeOnly) { + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, ts.isImportSpecifier(node) ? "import...type" : "export...type")); + return "skip"; + } + break; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_TypeScript_files)); + return "skip"; + case 271 /* SyntaxKind.ExportAssignment */: + if (node.isExportEquals) { + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_TypeScript_files)); + return "skip"; + } + break; + case 291 /* SyntaxKind.HeritageClause */: + var heritageClause = node; + if (heritageClause.token === 117 /* SyntaxKind.ImplementsKeyword */) { + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_TypeScript_files)); + return "skip"; + } + break; + case 258 /* SyntaxKind.InterfaceDeclaration */: + var interfaceKeyword = ts.tokenToString(118 /* SyntaxKind.InterfaceKeyword */); + ts.Debug.assertIsDefined(interfaceKeyword); + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, interfaceKeyword)); + return "skip"; + case 261 /* SyntaxKind.ModuleDeclaration */: + var moduleKeyword = node.flags & 16 /* NodeFlags.Namespace */ ? ts.tokenToString(142 /* SyntaxKind.NamespaceKeyword */) : ts.tokenToString(141 /* SyntaxKind.ModuleKeyword */); + ts.Debug.assertIsDefined(moduleKeyword); + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, moduleKeyword)); + return "skip"; + case 259 /* SyntaxKind.TypeAliasDeclaration */: + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Type_aliases_can_only_be_used_in_TypeScript_files)); + return "skip"; + case 260 /* SyntaxKind.EnumDeclaration */: + var enumKeyword = ts.Debug.checkDefined(ts.tokenToString(92 /* SyntaxKind.EnumKeyword */)); + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, enumKeyword)); + return "skip"; + case 230 /* SyntaxKind.NonNullExpression */: + diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Non_null_assertions_can_only_be_used_in_TypeScript_files)); + return "skip"; + case 229 /* SyntaxKind.AsExpression */: + diagnostics.push(createDiagnosticForNode(node.type, ts.Diagnostics.Type_assertion_expressions_can_only_be_used_in_TypeScript_files)); + return "skip"; + case 211 /* SyntaxKind.TypeAssertionExpression */: + ts.Debug.fail(); // Won't parse these in a JS file anyway, as they are interpreted as JSX. + } + } + function walkArray(nodes, parent) { + if (parent.decorators === nodes && !options.experimentalDecorators) { + diagnostics.push(createDiagnosticForNode(parent, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning)); + } + switch (parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 214 /* SyntaxKind.ArrowFunction */: + // Check type parameters + if (nodes === parent.typeParameters) { + diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.Type_parameter_declarations_can_only_be_used_in_TypeScript_files)); + return "skip"; + } + // falls through + case 237 /* SyntaxKind.VariableStatement */: + // Check modifiers + if (nodes === parent.modifiers) { + checkModifiers(parent.modifiers, parent.kind === 237 /* SyntaxKind.VariableStatement */); + return "skip"; + } + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + // Check modifiers of property declaration + if (nodes === parent.modifiers) { + for (var _i = 0, _a = nodes; _i < _a.length; _i++) { + var modifier = _a[_i]; + if (modifier.kind !== 124 /* SyntaxKind.StaticKeyword */) { + diagnostics.push(createDiagnosticForNode(modifier, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, ts.tokenToString(modifier.kind))); + } + } + return "skip"; + } + break; + case 164 /* SyntaxKind.Parameter */: + // Check modifiers of parameter declaration + if (nodes === parent.modifiers) { + diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.Parameter_modifiers_can_only_be_used_in_TypeScript_files)); + return "skip"; + } + break; + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 280 /* SyntaxKind.JsxOpeningElement */: + case 210 /* SyntaxKind.TaggedTemplateExpression */: + // Check type arguments + if (nodes === parent.typeArguments) { + diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.Type_arguments_can_only_be_used_in_TypeScript_files)); + return "skip"; + } + break; + } + } + function checkModifiers(modifiers, isConstValid) { + for (var _i = 0, modifiers_2 = modifiers; _i < modifiers_2.length; _i++) { + var modifier = modifiers_2[_i]; + switch (modifier.kind) { + case 85 /* SyntaxKind.ConstKeyword */: + if (isConstValid) { + continue; + } + // to report error, + // falls through + case 123 /* SyntaxKind.PublicKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 145 /* SyntaxKind.ReadonlyKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 126 /* SyntaxKind.AbstractKeyword */: + case 159 /* SyntaxKind.OverrideKeyword */: + case 101 /* SyntaxKind.InKeyword */: + case 144 /* SyntaxKind.OutKeyword */: + diagnostics.push(createDiagnosticForNode(modifier, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, ts.tokenToString(modifier.kind))); + break; + // These are all legal modifiers. + case 124 /* SyntaxKind.StaticKeyword */: + case 93 /* SyntaxKind.ExportKeyword */: + case 88 /* SyntaxKind.DefaultKeyword */: + } + } + } + function createDiagnosticForNodeArray(nodes, message, arg0, arg1, arg2) { + var start = nodes.pos; + return ts.createFileDiagnostic(sourceFile, start, nodes.end - start, message, arg0, arg1, arg2); + } + // Since these are syntactic diagnostics, parent might not have been set + // this means the sourceFile cannot be infered from the node + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + return ts.createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2); + } + }); + } + function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) { + return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedDeclarationDiagnosticsForFile, getDeclarationDiagnosticsForFileNoCache); + } + function getDeclarationDiagnosticsForFileNoCache(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var resolver = getTypeChecker().getEmitResolver(sourceFile, cancellationToken); + // Don't actually write any files since we're just getting diagnostics. + return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile) || ts.emptyArray; + }); + } + function getAndCacheDiagnostics(sourceFile, cancellationToken, cache, getDiagnostics) { + var _a; + var cachedResult = sourceFile + ? (_a = cache.perFile) === null || _a === void 0 ? void 0 : _a.get(sourceFile.path) + : cache.allDiagnostics; + if (cachedResult) { + return cachedResult; + } + var result = getDiagnostics(sourceFile, cancellationToken); + if (sourceFile) { + (cache.perFile || (cache.perFile = new ts.Map())).set(sourceFile.path, result); + } + else { + cache.allDiagnostics = result; + } + return result; + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return sourceFile.isDeclarationFile ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + } + function getOptionsDiagnostics() { + return ts.sortAndDeduplicateDiagnostics(ts.concatenate(programDiagnostics.getGlobalDiagnostics(), getOptionsDiagnosticsOfConfigFile())); + } + function getOptionsDiagnosticsOfConfigFile() { + if (!options.configFile) + return ts.emptyArray; + var diagnostics = programDiagnostics.getDiagnostics(options.configFile.fileName); + forEachResolvedProjectReference(function (resolvedRef) { + diagnostics = ts.concatenate(diagnostics, programDiagnostics.getDiagnostics(resolvedRef.sourceFile.fileName)); + }); + return diagnostics; + } + function getGlobalDiagnostics() { + return rootNames.length ? ts.sortAndDeduplicateDiagnostics(getTypeChecker().getGlobalDiagnostics().slice()) : ts.emptyArray; + } + function getConfigFileParsingDiagnostics() { + return configFileParsingDiagnostics || ts.emptyArray; + } + function processRootFile(fileName, isDefaultLib, ignoreNoDefaultLib, reason) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib, ignoreNoDefaultLib, /*packageId*/ undefined, reason); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.kind === 79 /* SyntaxKind.Identifier */ + ? b.kind === 79 /* SyntaxKind.Identifier */ && a.escapedText === b.escapedText + : b.kind === 10 /* SyntaxKind.StringLiteral */ && a.text === b.text; + } + function createSyntheticImport(text, file) { + var externalHelpersModuleReference = ts.factory.createStringLiteral(text); + var importDecl = ts.factory.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*importClause*/ undefined, externalHelpersModuleReference, /*assertClause*/ undefined); + ts.addEmitFlags(importDecl, 67108864 /* EmitFlags.NeverApplyImportHelper */); + ts.setParent(externalHelpersModuleReference, importDecl); + ts.setParent(importDecl, file); + // explicitly unset the synthesized flag on these declarations so the checker API will answer questions about them + // (which is required to build the dependency graph for incremental emit) + externalHelpersModuleReference.flags &= ~8 /* NodeFlags.Synthesized */; + importDecl.flags &= ~8 /* NodeFlags.Synthesized */; + return externalHelpersModuleReference; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJS(file); + var isExternalModuleFile = ts.isExternalModule(file); + // file.imports may not be undefined if there exists dynamic import + var imports; + var moduleAugmentations; + var ambientModules; + // If we are importing helpers, we need to add a synthetic reference to resolve the + // helpers library. + if ((options.isolatedModules || isExternalModuleFile) + && !file.isDeclarationFile) { + if (options.importHelpers) { + // synthesize 'import "tslib"' declaration + imports = [createSyntheticImport(ts.externalHelpersModuleNameText, file)]; + } + var jsxImport = ts.getJSXRuntimeImport(ts.getJSXImplicitImportBase(options, file), options); + if (jsxImport) { + // synthesize `import "base/jsx-runtime"` declaration + (imports || (imports = [])).push(createSyntheticImport(jsxImport, file)); + } + } + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, /*inAmbientModule*/ false); + } + if ((file.flags & 2097152 /* NodeFlags.PossiblyContainsDynamicImport */) || isJavaScriptFile) { + collectDynamicImportOrRequireCalls(file); + } + file.imports = imports || ts.emptyArray; + file.moduleAugmentations = moduleAugmentations || ts.emptyArray; + file.ambientModuleNames = ambientModules || ts.emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + if (ts.isAnyImportOrReExport(node)) { + var moduleNameExpr = ts.getExternalModuleName(node); + // TypeScript 1.0 spec (April 2014): 12.1.6 + // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules + // only through top - level external module names. Relative external module names are not permitted. + if (moduleNameExpr && ts.isStringLiteral(moduleNameExpr) && moduleNameExpr.text && (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text))) { + ts.setParentRecursive(node, /*incremental*/ false); // we need parent data on imports before the program is fully bound, so we ensure it's set here + imports = ts.append(imports, moduleNameExpr); + if (!usesUriStyleNodeCoreModules && currentNodeModulesDepth === 0 && !file.isDeclarationFile) { + usesUriStyleNodeCoreModules = ts.startsWith(moduleNameExpr.text, "node:"); + } + } + } + else if (ts.isModuleDeclaration(node)) { + if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasSyntacticModifier(node, 2 /* ModifierFlags.Ambient */) || file.isDeclarationFile)) { + node.name.parent = node; + var nameText = ts.getTextOfIdentifierOrLiteral(node.name); + // Ambient module declarations can be interpreted as augmentations for some existing external modules. + // This will happen in two cases: + // - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope + // - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name + // immediately nested in top level ambient module declaration . + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(nameText))) { + (moduleAugmentations || (moduleAugmentations = [])).push(node.name); + } + else if (!inAmbientModule) { + if (file.isDeclarationFile) { + // for global .d.ts files record name of ambient module + (ambientModules || (ambientModules = [])).push(nameText); + } + // An AmbientExternalModuleDeclaration declares an external module. + // This type of declaration is permitted only in the global module. + // The StringLiteral must specify a top - level external module name. + // Relative external module names are not permitted + // NOTE: body of ambient module is always a module block, if it exists + var body = node.body; + if (body) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, /*inAmbientModule*/ true); + } + } + } + } + } + } + function collectDynamicImportOrRequireCalls(file) { + var r = /import|require/g; + while (r.exec(file.text) !== null) { // eslint-disable-line no-null/no-null + var node = getNodeAtPosition(file, r.lastIndex); + if (isJavaScriptFile && ts.isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ true)) { + ts.setParentRecursive(node, /*incremental*/ false); // we need parent data on imports before the program is fully bound, so we ensure it's set here + imports = ts.append(imports, node.arguments[0]); + } + // we have to check the argument list has length of at least 1. We will still have to process these even though we have parsing error. + else if (ts.isImportCall(node) && node.arguments.length >= 1 && ts.isStringLiteralLike(node.arguments[0])) { + ts.setParentRecursive(node, /*incremental*/ false); // we need parent data on imports before the program is fully bound, so we ensure it's set here + imports = ts.append(imports, node.arguments[0]); + } + else if (ts.isLiteralImportTypeNode(node)) { + ts.setParentRecursive(node, /*incremental*/ false); // we need parent data on imports before the program is fully bound, so we ensure it's set here + imports = ts.append(imports, node.argument.literal); + } + } + } + /** Returns a token if position is in [start-of-leading-trivia, end), includes JSDoc only in JS files */ + function getNodeAtPosition(sourceFile, position) { + var current = sourceFile; + var getContainingChild = function (child) { + if (child.pos <= position && (position < child.end || (position === child.end && (child.kind === 1 /* SyntaxKind.EndOfFileToken */)))) { + return child; + } + }; + while (true) { + var child = isJavaScriptFile && ts.hasJSDocNodes(current) && ts.forEach(current.jsDoc, getContainingChild) || ts.forEachChild(current, getContainingChild); + if (!child) { + return current; + } + current = child; + } + } + } + function getLibFileFromReference(ref) { + var libName = ts.toFileNameLowerCase(ref.fileName); + var libFileName = ts.libMap.get(libName); + if (libFileName) { + return getSourceFile(pathForLibFile(libFileName)); + } + } + /** This should have similar behavior to 'processSourceFile' without diagnostics or mutation. */ + function getSourceFileFromReference(referencingFile, ref) { + return getSourceFileFromReferenceWorker(resolveTripleslashReference(ref.fileName, referencingFile.fileName), getSourceFile); + } + function getSourceFileFromReferenceWorker(fileName, getSourceFile, fail, reason) { + if (ts.hasExtension(fileName)) { + var canonicalFileName_1 = host.getCanonicalFileName(fileName); + if (!options.allowNonTsExtensions && !ts.forEach(ts.flatten(supportedExtensionsWithJsonIfResolveJsonModule), function (extension) { return ts.fileExtensionIs(canonicalFileName_1, extension); })) { + if (fail) { + if (ts.hasJSFileExtension(canonicalFileName_1)) { + fail(ts.Diagnostics.File_0_is_a_JavaScript_file_Did_you_mean_to_enable_the_allowJs_option, fileName); + } + else { + fail(ts.Diagnostics.File_0_has_an_unsupported_extension_The_only_supported_extensions_are_1, fileName, "'" + ts.flatten(supportedExtensions).join("', '") + "'"); + } + } + return undefined; + } + var sourceFile = getSourceFile(fileName); + if (fail) { + if (!sourceFile) { + var redirect = getProjectReferenceRedirect(fileName); + if (redirect) { + fail(ts.Diagnostics.Output_file_0_has_not_been_built_from_source_file_1, redirect, fileName); + } + else { + fail(ts.Diagnostics.File_0_not_found, fileName); + } + } + else if (isReferencedFile(reason) && canonicalFileName_1 === host.getCanonicalFileName(getSourceFileByPath(reason.file).fileName)) { + fail(ts.Diagnostics.A_file_cannot_have_a_reference_to_itself); + } + } + return sourceFile; + } + else { + var sourceFileNoExtension = options.allowNonTsExtensions && getSourceFile(fileName); + if (sourceFileNoExtension) + return sourceFileNoExtension; + if (fail && options.allowNonTsExtensions) { + fail(ts.Diagnostics.File_0_not_found, fileName); + return undefined; + } + // Only try adding extensions from the first supported group (which should be .ts/.tsx/.d.ts) + var sourceFileWithAddedExtension = ts.forEach(supportedExtensions[0], function (extension) { return getSourceFile(fileName + extension); }); + if (fail && !sourceFileWithAddedExtension) + fail(ts.Diagnostics.Could_not_resolve_the_path_0_with_the_extensions_Colon_1, fileName, "'" + ts.flatten(supportedExtensions).join("', '") + "'"); + return sourceFileWithAddedExtension; + } + } + /** This has side effects through `findSourceFile`. */ + function processSourceFile(fileName, isDefaultLib, ignoreNoDefaultLib, packageId, reason) { + getSourceFileFromReferenceWorker(fileName, function (fileName) { return findSourceFile(fileName, isDefaultLib, ignoreNoDefaultLib, reason, packageId); }, // TODO: GH#18217 + function (diagnostic) { + var args = []; + for (var _i = 1; _i < arguments.length; _i++) { + args[_i - 1] = arguments[_i]; + } + return addFilePreprocessingFileExplainingDiagnostic(/*file*/ undefined, reason, diagnostic, args); + }, reason); + } + function processProjectReferenceFile(fileName, reason) { + return processSourceFile(fileName, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, /*packageId*/ undefined, reason); + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFile, reason) { + var hasExistingReasonToReportErrorOn = !isReferencedFile(reason) && ts.some(fileReasons.get(existingFile.path), isReferencedFile); + if (hasExistingReasonToReportErrorOn) { + addFilePreprocessingFileExplainingDiagnostic(existingFile, reason, ts.Diagnostics.Already_included_file_name_0_differs_from_file_name_1_only_in_casing, [existingFile.fileName, fileName]); + } + else { + addFilePreprocessingFileExplainingDiagnostic(existingFile, reason, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, [fileName, existingFile.fileName]); + } + } + function createRedirectSourceFile(redirectTarget, unredirected, fileName, path, resolvedPath, originalFileName) { + var redirect = Object.create(redirectTarget); + redirect.fileName = fileName; + redirect.path = path; + redirect.resolvedPath = resolvedPath; + redirect.originalFileName = originalFileName; + redirect.redirectInfo = { redirectTarget: redirectTarget, unredirected: unredirected }; + sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0); + Object.defineProperties(redirect, { + id: { + get: function () { return this.redirectInfo.redirectTarget.id; }, + set: function (value) { this.redirectInfo.redirectTarget.id = value; }, + }, + symbol: { + get: function () { return this.redirectInfo.redirectTarget.symbol; }, + set: function (value) { this.redirectInfo.redirectTarget.symbol = value; }, + }, + }); + return redirect; + } + // Get source file from normalized fileName + function findSourceFile(fileName, isDefaultLib, ignoreNoDefaultLib, reason, packageId) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "findSourceFile", { + fileName: fileName, + isDefaultLib: isDefaultLib || undefined, + fileIncludeKind: ts.FileIncludeKind[reason.kind], + }); + var result = findSourceFileWorker(fileName, isDefaultLib, ignoreNoDefaultLib, reason, packageId); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + return result; + } + function getCreateSourceFileOptions(fileName, moduleResolutionCache, host, options) { + // It's a _little odd_ that we can't set `impliedNodeFormat` until the program step - but it's the first and only time we have a resolution cache + // and a freshly made source file node on hand at the same time, and we need both to set the field. Persisting the resolution cache all the way + // to the check and emit steps would be bad - so we much prefer detecting and storing the format information on the source file node upfront. + var impliedNodeFormat = getImpliedNodeFormatForFile(toPath(fileName), moduleResolutionCache === null || moduleResolutionCache === void 0 ? void 0 : moduleResolutionCache.getPackageJsonInfoCache(), host, options); + return { + languageVersion: ts.getEmitScriptTarget(options), + impliedNodeFormat: impliedNodeFormat, + setExternalModuleIndicator: ts.getSetExternalModuleIndicator(options) + }; + } + function findSourceFileWorker(fileName, isDefaultLib, ignoreNoDefaultLib, reason, packageId) { + var path = toPath(fileName); + if (useSourceOfProjectReferenceRedirect) { + var source = getSourceOfProjectReferenceRedirect(path); + // If preserveSymlinks is true, module resolution wont jump the symlink + // but the resolved real path may be the .d.ts from project reference + // Note:: Currently we try the real path only if the + // file is from node_modules to avoid having to run real path on all file paths + if (!source && + host.realpath && + options.preserveSymlinks && + ts.isDeclarationFileName(fileName) && + ts.stringContains(fileName, ts.nodeModulesPathPart)) { + var realPath = toPath(host.realpath(fileName)); + if (realPath !== path) + source = getSourceOfProjectReferenceRedirect(realPath); + } + if (source) { + var file_1 = ts.isString(source) ? + findSourceFile(source, isDefaultLib, ignoreNoDefaultLib, reason, packageId) : + undefined; + if (file_1) + addFileToFilesByName(file_1, path, /*redirectedPath*/ undefined); + return file_1; + } + } + var originalFileName = fileName; + if (filesByName.has(path)) { + var file_2 = filesByName.get(path); + addFileIncludeReason(file_2 || undefined, reason); + // try to check if we've already seen this file but with a different casing in path + // NOTE: this only makes sense for case-insensitive file systems, and only on files which are not redirected + if (file_2 && options.forceConsistentCasingInFileNames) { + var checkedName = file_2.fileName; + var isRedirect = toPath(checkedName) !== toPath(fileName); + if (isRedirect) { + fileName = getProjectReferenceRedirect(fileName) || fileName; + } + // Check if it differs only in drive letters its ok to ignore that error: + var checkedAbsolutePath = ts.getNormalizedAbsolutePathWithoutRoot(checkedName, currentDirectory); + var inputAbsolutePath = ts.getNormalizedAbsolutePathWithoutRoot(fileName, currentDirectory); + if (checkedAbsolutePath !== inputAbsolutePath) { + reportFileNamesDifferOnlyInCasingError(fileName, file_2, reason); + } + } + // If the file was previously found via a node_modules search, but is now being processed as a root file, + // then everything it sucks in may also be marked incorrectly, and needs to be checked again. + if (file_2 && sourceFilesFoundSearchingNodeModules.get(file_2.path) && currentNodeModulesDepth === 0) { + sourceFilesFoundSearchingNodeModules.set(file_2.path, false); + if (!options.noResolve) { + processReferencedFiles(file_2, isDefaultLib); + processTypeReferenceDirectives(file_2); + } + if (!options.noLib) { + processLibReferenceDirectives(file_2); + } + modulesWithElidedImports.set(file_2.path, false); + processImportedModules(file_2); + } + // See if we need to reprocess the imports due to prior skipped imports + else if (file_2 && modulesWithElidedImports.get(file_2.path)) { + if (currentNodeModulesDepth < maxNodeModuleJsDepth) { + modulesWithElidedImports.set(file_2.path, false); + processImportedModules(file_2); + } + } + return file_2 || undefined; + } + var redirectedPath; + if (isReferencedFile(reason) && !useSourceOfProjectReferenceRedirect) { + var redirectProject = getProjectReferenceRedirectProject(fileName); + if (redirectProject) { + if (ts.outFile(redirectProject.commandLine.options)) { + // Shouldnt create many to 1 mapping file in --out scenario + return undefined; + } + var redirect = getProjectReferenceOutputName(redirectProject, fileName); + fileName = redirect; + // Once we start redirecting to a file, we can potentially come back to it + // via a back-reference from another file in the .d.ts folder. If that happens we'll + // end up trying to add it to the program *again* because we were tracking it via its + // original (un-redirected) name. So we have to map both the original path and the redirected path + // to the source file we're about to find/create + redirectedPath = toPath(redirect); + } + } + // We haven't looked for this file, do so now and cache result + var file = host.getSourceFile(fileName, getCreateSourceFileOptions(fileName, moduleResolutionCache, host, options), function (hostErrorMessage) { return addFilePreprocessingFileExplainingDiagnostic(/*file*/ undefined, reason, ts.Diagnostics.Cannot_read_file_0_Colon_1, [fileName, hostErrorMessage]); }, shouldCreateNewSourceFile); + if (packageId) { + var packageIdKey = ts.packageIdToString(packageId); + var fileFromPackageId = packageIdToSourceFile.get(packageIdKey); + if (fileFromPackageId) { + // Some other SourceFile already exists with this package name and version. + // Instead of creating a duplicate, just redirect to the existing one. + var dupFile = createRedirectSourceFile(fileFromPackageId, file, fileName, path, toPath(fileName), originalFileName); // TODO: GH#18217 + redirectTargetsMap.add(fileFromPackageId.path, fileName); + addFileToFilesByName(dupFile, path, redirectedPath); + addFileIncludeReason(dupFile, reason); + sourceFileToPackageName.set(path, ts.packageIdToPackageName(packageId)); + processingOtherFiles.push(dupFile); + return dupFile; + } + else if (file) { + // This is the first source file to have this packageId. + packageIdToSourceFile.set(packageIdKey, file); + sourceFileToPackageName.set(path, ts.packageIdToPackageName(packageId)); + } + } + addFileToFilesByName(file, path, redirectedPath); + if (file) { + sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0); + file.fileName = fileName; // Ensure that source file has same name as what we were looking for + file.path = path; + file.resolvedPath = toPath(fileName); + file.originalFileName = originalFileName; + addFileIncludeReason(file, reason); + if (host.useCaseSensitiveFileNames()) { + var pathLowerCase = ts.toFileNameLowerCase(path); + // for case-sensitive file systems check if we've already seen some file with similar filename ignoring case + var existingFile = filesByNameIgnoreCase.get(pathLowerCase); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile, reason); + } + else { + filesByNameIgnoreCase.set(pathLowerCase, file); + } + } + skipDefaultLib = skipDefaultLib || (file.hasNoDefaultLib && !ignoreNoDefaultLib); + if (!options.noResolve) { + processReferencedFiles(file, isDefaultLib); + processTypeReferenceDirectives(file); + } + if (!options.noLib) { + processLibReferenceDirectives(file); + } + // always process imported modules to record module name resolutions + processImportedModules(file); + if (isDefaultLib) { + processingDefaultLibFiles.push(file); + } + else { + processingOtherFiles.push(file); + } + } + return file; + } + function addFileIncludeReason(file, reason) { + if (file) + fileReasons.add(file.path, reason); + } + function addFileToFilesByName(file, path, redirectedPath) { + if (redirectedPath) { + filesByName.set(redirectedPath, file); + filesByName.set(path, file || false); + } + else { + filesByName.set(path, file); + } + } + function getProjectReferenceRedirect(fileName) { + var referencedProject = getProjectReferenceRedirectProject(fileName); + return referencedProject && getProjectReferenceOutputName(referencedProject, fileName); + } + function getProjectReferenceRedirectProject(fileName) { + // Ignore dts or any json files + if (!resolvedProjectReferences || !resolvedProjectReferences.length || ts.isDeclarationFileName(fileName) || ts.fileExtensionIs(fileName, ".json" /* Extension.Json */)) { + return undefined; + } + // If this file is produced by a referenced project, we need to rewrite it to + // look in the output folder of the referenced project rather than the input + return getResolvedProjectReferenceToRedirect(fileName); + } + function getProjectReferenceOutputName(referencedProject, fileName) { + var out = ts.outFile(referencedProject.commandLine.options); + return out ? + ts.changeExtension(out, ".d.ts" /* Extension.Dts */) : + ts.getOutputDeclarationFileName(fileName, referencedProject.commandLine, !host.useCaseSensitiveFileNames()); + } + /** + * Get the referenced project if the file is input file from that reference project + */ + function getResolvedProjectReferenceToRedirect(fileName) { + if (mapFromFileToProjectReferenceRedirects === undefined) { + mapFromFileToProjectReferenceRedirects = new ts.Map(); + forEachResolvedProjectReference(function (referencedProject) { + // not input file from the referenced project, ignore + if (toPath(options.configFilePath) !== referencedProject.sourceFile.path) { + referencedProject.commandLine.fileNames.forEach(function (f) { + return mapFromFileToProjectReferenceRedirects.set(toPath(f), referencedProject.sourceFile.path); + }); + } + }); + } + var referencedProjectPath = mapFromFileToProjectReferenceRedirects.get(toPath(fileName)); + return referencedProjectPath && getResolvedProjectReferenceByPath(referencedProjectPath); + } + function forEachResolvedProjectReference(cb) { + return ts.forEachResolvedProjectReference(resolvedProjectReferences, cb); + } + function getSourceOfProjectReferenceRedirect(path) { + if (!ts.isDeclarationFileName(path)) + return undefined; + if (mapFromToProjectReferenceRedirectSource === undefined) { + mapFromToProjectReferenceRedirectSource = new ts.Map(); + forEachResolvedProjectReference(function (resolvedRef) { + var out = ts.outFile(resolvedRef.commandLine.options); + if (out) { + // Dont know which source file it means so return true? + var outputDts = ts.changeExtension(out, ".d.ts" /* Extension.Dts */); + mapFromToProjectReferenceRedirectSource.set(toPath(outputDts), true); + } + else { + var getCommonSourceDirectory_3 = ts.memoize(function () { return ts.getCommonSourceDirectoryOfConfig(resolvedRef.commandLine, !host.useCaseSensitiveFileNames()); }); + ts.forEach(resolvedRef.commandLine.fileNames, function (fileName) { + if (!ts.isDeclarationFileName(fileName) && !ts.fileExtensionIs(fileName, ".json" /* Extension.Json */)) { + var outputDts = ts.getOutputDeclarationFileName(fileName, resolvedRef.commandLine, !host.useCaseSensitiveFileNames(), getCommonSourceDirectory_3); + mapFromToProjectReferenceRedirectSource.set(toPath(outputDts), fileName); + } + }); + } + }); + } + return mapFromToProjectReferenceRedirectSource.get(path); + } + function isSourceOfProjectReferenceRedirect(fileName) { + return useSourceOfProjectReferenceRedirect && !!getResolvedProjectReferenceToRedirect(fileName); + } + function getResolvedProjectReferenceByPath(projectReferencePath) { + if (!projectReferenceRedirects) { + return undefined; + } + return projectReferenceRedirects.get(projectReferencePath) || undefined; + } + function processReferencedFiles(file, isDefaultLib) { + ts.forEach(file.referencedFiles, function (ref, index) { + processSourceFile(resolveTripleslashReference(ref.fileName, file.fileName), isDefaultLib, + /*ignoreNoDefaultLib*/ false, + /*packageId*/ undefined, { kind: ts.FileIncludeKind.ReferenceFile, file: file.path, index: index, }); + }); + } + function processTypeReferenceDirectives(file) { + var typeDirectives = file.typeReferenceDirectives; + if (!typeDirectives) { + return; + } + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file); + for (var index = 0; index < typeDirectives.length; index++) { + var ref = file.typeReferenceDirectives[index]; + var resolvedTypeReferenceDirective = resolutions[index]; + // store resolved type directive on the file + var fileName = ts.toFileNameLowerCase(ref.fileName); + ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective); + var mode = ref.resolutionMode || file.impliedNodeFormat; + if (mode && ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.Node16 && ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.NodeNext) { + programDiagnostics.add(ts.createDiagnosticForRange(file, ref, ts.Diagnostics.resolution_mode_assertions_are_only_supported_when_moduleResolution_is_node16_or_nodenext)); + } + processTypeReferenceDirective(fileName, mode, resolvedTypeReferenceDirective, { kind: ts.FileIncludeKind.TypeReferenceDirective, file: file.path, index: index, }); + } + } + function processTypeReferenceDirective(typeReferenceDirective, mode, resolvedTypeReferenceDirective, reason) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("program" /* tracing.Phase.Program */, "processTypeReferenceDirective", { directive: typeReferenceDirective, hasResolved: !!resolveModuleNamesReusingOldState, refKind: reason.kind, refPath: isReferencedFile(reason) ? reason.file : undefined }); + processTypeReferenceDirectiveWorker(typeReferenceDirective, mode, resolvedTypeReferenceDirective, reason); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + function processTypeReferenceDirectiveWorker(typeReferenceDirective, mode, resolvedTypeReferenceDirective, reason) { + // If we already found this library as a primary reference - nothing to do + var previousResolution = resolvedTypeReferenceDirectives.get(typeReferenceDirective, mode); + if (previousResolution && previousResolution.primary) { + return; + } + var saveResolution = true; + if (resolvedTypeReferenceDirective) { + if (resolvedTypeReferenceDirective.isExternalLibraryImport) + currentNodeModulesDepth++; + if (resolvedTypeReferenceDirective.primary) { + // resolved from the primary path + processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, resolvedTypeReferenceDirective.packageId, reason); // TODO: GH#18217 + } + else { + // If we already resolved to this file, it must have been a secondary reference. Check file contents + // for sameness and possibly issue an error + if (previousResolution) { + // Don't bother reading the file again if it's the same file. + if (resolvedTypeReferenceDirective.resolvedFileName !== previousResolution.resolvedFileName) { + var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName); + var existingFile = getSourceFile(previousResolution.resolvedFileName); + if (otherFileText !== existingFile.text) { + addFilePreprocessingFileExplainingDiagnostic(existingFile, reason, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, [typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName]); + } + } + // don't overwrite previous resolution result + saveResolution = false; + } + else { + // First resolution of this library + processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, resolvedTypeReferenceDirective.packageId, reason); + } + } + if (resolvedTypeReferenceDirective.isExternalLibraryImport) + currentNodeModulesDepth--; + } + else { + addFilePreprocessingFileExplainingDiagnostic(/*file*/ undefined, reason, ts.Diagnostics.Cannot_find_type_definition_file_for_0, [typeReferenceDirective]); + } + if (saveResolution) { + resolvedTypeReferenceDirectives.set(typeReferenceDirective, mode, resolvedTypeReferenceDirective); + } + } + function pathForLibFile(libFileName) { + // Support resolving to lib.dom.d.ts -> @typescript/lib-dom, and + // lib.dom.iterable.d.ts -> @typescript/lib-dom/iterable + // lib.es2015.symbol.wellknown.d.ts -> @typescript/lib-es2015/symbol-wellknown + var components = libFileName.split("."); + var path = components[1]; + var i = 2; + while (components[i] && components[i] !== "d") { + path += (i === 2 ? "/" : "-") + components[i]; + i++; + } + var resolveFrom = ts.combinePaths(currentDirectory, "__lib_node_modules_lookup_".concat(libFileName, "__.ts")); + var localOverrideModuleResult = ts.resolveModuleName("@typescript/lib-" + path, resolveFrom, { moduleResolution: ts.ModuleResolutionKind.NodeJs }, host, moduleResolutionCache); + if (localOverrideModuleResult === null || localOverrideModuleResult === void 0 ? void 0 : localOverrideModuleResult.resolvedModule) { + return localOverrideModuleResult.resolvedModule.resolvedFileName; + } + return ts.combinePaths(defaultLibraryPath, libFileName); + } + function processLibReferenceDirectives(file) { + ts.forEach(file.libReferenceDirectives, function (libReference, index) { + var libName = ts.toFileNameLowerCase(libReference.fileName); + var libFileName = ts.libMap.get(libName); + if (libFileName) { + // we ignore any 'no-default-lib' reference set on this file. + processRootFile(pathForLibFile(libFileName), /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ true, { kind: ts.FileIncludeKind.LibReferenceDirective, file: file.path, index: index, }); + } + else { + var unqualifiedLibName = ts.removeSuffix(ts.removePrefix(libName, "lib."), ".d.ts"); + var suggestion = ts.getSpellingSuggestion(unqualifiedLibName, ts.libs, ts.identity); + var diagnostic = suggestion ? ts.Diagnostics.Cannot_find_lib_definition_for_0_Did_you_mean_1 : ts.Diagnostics.Cannot_find_lib_definition_for_0; + (fileProcessingDiagnostics || (fileProcessingDiagnostics = [])).push({ + kind: 0 /* FilePreprocessingDiagnosticsKind.FilePreprocessingReferencedDiagnostic */, + reason: { kind: ts.FileIncludeKind.LibReferenceDirective, file: file.path, index: index, }, + diagnostic: diagnostic, + args: [libName, suggestion] + }); + } + }); + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file) { + var _a; + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + // Because global augmentation doesn't have string literal name, we can check for global augmentation as such. + var moduleNames = getModuleNames(file); + var resolutions = resolveModuleNamesReusingOldState(moduleNames, file); + ts.Debug.assert(resolutions.length === moduleNames.length); + var optionsForFile = (useSourceOfProjectReferenceRedirect ? (_a = getRedirectReferenceForResolution(file)) === null || _a === void 0 ? void 0 : _a.commandLine.options : undefined) || options; + for (var index = 0; index < moduleNames.length; index++) { + var resolution = resolutions[index]; + ts.setResolvedModule(file, moduleNames[index], resolution, getModeForResolutionAtIndex(file, index)); + if (!resolution) { + continue; + } + var isFromNodeModulesSearch = resolution.isExternalLibraryImport; + var isJsFile = !ts.resolutionExtensionIsTSOrJson(resolution.extension); + var isJsFileFromNodeModules = isFromNodeModulesSearch && isJsFile; + var resolvedFileName = resolution.resolvedFileName; + if (isFromNodeModulesSearch) { + currentNodeModulesDepth++; + } + // add file to program only if: + // - resolution was successful + // - noResolve is falsy + // - module name comes from the list of imports + // - it's not a top level JavaScript module that exceeded the search max + var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModuleJsDepth; + // Don't add the file if it has a bad extension (e.g. 'tsx' if we don't have '--allowJs') + // This may still end up being an untyped module -- the file won't be included but imports will be allowed. + var shouldAddFile = resolvedFileName + && !getResolutionDiagnostic(optionsForFile, resolution) + && !optionsForFile.noResolve + && index < file.imports.length + && !elideImport + && !(isJsFile && !ts.getAllowJSCompilerOption(optionsForFile)) + && (ts.isInJSFile(file.imports[index]) || !(file.imports[index].flags & 8388608 /* NodeFlags.JSDoc */)); + if (elideImport) { + modulesWithElidedImports.set(file.path, true); + } + else if (shouldAddFile) { + findSourceFile(resolvedFileName, + /*isDefaultLib*/ false, + /*ignoreNoDefaultLib*/ false, { kind: ts.FileIncludeKind.Import, file: file.path, index: index, }, resolution.packageId); + } + if (isFromNodeModulesSearch) { + currentNodeModulesDepth--; + } + } + } + else { + // no imports - drop cached module resolutions + file.resolvedModules = undefined; + } + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!sourceFile.isDeclarationFile) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + addProgramDiagnosticExplainingFile(sourceFile, ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, [sourceFile.fileName, rootDirectory]); + allFilesBelongToPath = false; + } + } + } + return allFilesBelongToPath; + } + function parseProjectReferenceConfigFile(ref) { + if (!projectReferenceRedirects) { + projectReferenceRedirects = new ts.Map(); + } + // The actual filename (i.e. add "/tsconfig.json" if necessary) + var refPath = resolveProjectReferencePath(ref); + var sourceFilePath = toPath(refPath); + var fromCache = projectReferenceRedirects.get(sourceFilePath); + if (fromCache !== undefined) { + return fromCache || undefined; + } + var commandLine; + var sourceFile; + if (host.getParsedCommandLine) { + commandLine = host.getParsedCommandLine(refPath); + if (!commandLine) { + addFileToFilesByName(/*sourceFile*/ undefined, sourceFilePath, /*redirectedPath*/ undefined); + projectReferenceRedirects.set(sourceFilePath, false); + return undefined; + } + sourceFile = ts.Debug.checkDefined(commandLine.options.configFile); + ts.Debug.assert(!sourceFile.path || sourceFile.path === sourceFilePath); + addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined); + } + else { + // An absolute path pointing to the containing directory of the config file + var basePath = ts.getNormalizedAbsolutePath(ts.getDirectoryPath(refPath), host.getCurrentDirectory()); + sourceFile = host.getSourceFile(refPath, 100 /* ScriptTarget.JSON */); + addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined); + if (sourceFile === undefined) { + projectReferenceRedirects.set(sourceFilePath, false); + return undefined; + } + commandLine = ts.parseJsonSourceFileConfigFileContent(sourceFile, configParsingHost, basePath, /*existingOptions*/ undefined, refPath); + } + sourceFile.fileName = refPath; + sourceFile.path = sourceFilePath; + sourceFile.resolvedPath = sourceFilePath; + sourceFile.originalFileName = refPath; + var resolvedRef = { commandLine: commandLine, sourceFile: sourceFile }; + projectReferenceRedirects.set(sourceFilePath, resolvedRef); + if (commandLine.projectReferences) { + resolvedRef.references = commandLine.projectReferences.map(parseProjectReferenceConfigFile); + } + return resolvedRef; + } + function verifyCompilerOptions() { + if (options.strictPropertyInitialization && !ts.getStrictOptionValue(options, "strictNullChecks")) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "strictPropertyInitialization", "strictNullChecks"); + } + if (options.exactOptionalPropertyTypes && !ts.getStrictOptionValue(options, "strictNullChecks")) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "exactOptionalPropertyTypes", "strictNullChecks"); + } + if (options.isolatedModules) { + if (options.out) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules"); + } + if (options.outFile) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules"); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap"); + } + if (options.mapRoot) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap"); + } + } + if (options.composite) { + if (options.declaration === false) { + createDiagnosticForOptionName(ts.Diagnostics.Composite_projects_may_not_disable_declaration_emit, "declaration"); + } + if (options.incremental === false) { + createDiagnosticForOptionName(ts.Diagnostics.Composite_projects_may_not_disable_incremental_compilation, "declaration"); + } + } + var outputFile = ts.outFile(options); + if (options.tsBuildInfoFile) { + if (!ts.isIncrementalCompilation(options)) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "tsBuildInfoFile", "incremental", "composite"); + } + } + else if (options.incremental && !outputFile && !options.configFilePath) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_incremental_can_only_be_specified_using_tsconfig_emitting_to_single_file_or_when_option_tsBuildInfoFile_is_specified)); + } + verifyProjectReferences(); + // List of collected files is complete; validate exhautiveness if this is a project with a file list + if (options.composite) { + var rootPaths = new ts.Set(rootNames.map(toPath)); + for (var _i = 0, files_4 = files; _i < files_4.length; _i++) { + var file = files_4[_i]; + // Ignore file that is not emitted + if (ts.sourceFileMayBeEmitted(file, program) && !rootPaths.has(file.path)) { + addProgramDiagnosticExplainingFile(file, ts.Diagnostics.File_0_is_not_listed_within_the_file_list_of_project_1_Projects_must_list_all_files_or_use_an_include_pattern, [file.fileName, options.configFilePath || ""]); + } + } + } + if (options.paths) { + for (var key in options.paths) { + if (!ts.hasProperty(options.paths, key)) { + continue; + } + if (!ts.hasZeroOrOneAsteriskCharacter(key)) { + createDiagnosticForOptionPaths(/*onKey*/ true, key, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key); + } + if (ts.isArray(options.paths[key])) { + var len = options.paths[key].length; + if (len === 0) { + createDiagnosticForOptionPaths(/*onKey*/ false, key, ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key); + } + for (var i = 0; i < len; i++) { + var subst = options.paths[key][i]; + var typeOfSubst = typeof subst; + if (typeOfSubst === "string") { + if (!ts.hasZeroOrOneAsteriskCharacter(subst)) { + createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Substitution_0_in_pattern_1_can_have_at_most_one_Asterisk_character, subst, key); + } + if (!options.baseUrl && !ts.pathIsRelative(subst) && !ts.pathIsAbsolute(subst)) { + createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Non_relative_paths_are_not_allowed_when_baseUrl_is_not_set_Did_you_forget_a_leading_Slash); + } + } + else { + createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst); + } + } + } + else { + createDiagnosticForOptionPaths(/*onKey*/ false, key, ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key); + } + } + } + if (!options.sourceMap && !options.inlineSourceMap) { + if (options.inlineSources) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources"); + } + if (options.sourceRoot) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot"); + } + } + if (options.out && options.outFile) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile"); + } + if (options.mapRoot && !(options.sourceMap || options.declarationMap)) { + // Error to specify --mapRoot without --sourcemap + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "mapRoot", "sourceMap", "declarationMap"); + } + if (options.declarationDir) { + if (!ts.getEmitDeclarations(options)) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "declarationDir", "declaration", "composite"); + } + if (outputFile) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile"); + } + } + if (options.declarationMap && !ts.getEmitDeclarations(options)) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "declarationMap", "declaration", "composite"); + } + if (options.lib && options.noLib) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib"); + } + if (options.noImplicitUseStrict && ts.getStrictOptionValue(options, "alwaysStrict")) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict"); + } + var languageVersion = ts.getEmitScriptTarget(options); + var firstNonAmbientExternalModuleSourceFile = ts.find(files, function (f) { return ts.isExternalModule(f) && !f.isDeclarationFile; }); + if (options.isolatedModules) { + if (options.module === ts.ModuleKind.None && languageVersion < 2 /* ScriptTarget.ES2015 */) { + createDiagnosticForOptionName(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher, "isolatedModules", "target"); + } + if (options.preserveConstEnums === false) { + createDiagnosticForOptionName(ts.Diagnostics.Option_preserveConstEnums_cannot_be_disabled_when_isolatedModules_is_enabled, "preserveConstEnums", "isolatedModules"); + } + var firstNonExternalModuleSourceFile = ts.find(files, function (f) { return !ts.isExternalModule(f) && !ts.isSourceFileJS(f) && !f.isDeclarationFile && f.scriptKind !== 6 /* ScriptKind.JSON */; }); + if (firstNonExternalModuleSourceFile) { + var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics._0_cannot_be_compiled_under_isolatedModules_because_it_is_considered_a_global_script_file_Add_an_import_export_or_an_empty_export_statement_to_make_it_a_module, ts.getBaseFileName(firstNonExternalModuleSourceFile.fileName))); + } + } + else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 /* ScriptTarget.ES2015 */ && options.module === ts.ModuleKind.None) { + // We cannot use createDiagnosticFromNode because nodes do not have parents yet + var span = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, typeof firstNonAmbientExternalModuleSourceFile.externalModuleIndicator === "boolean" ? firstNonAmbientExternalModuleSourceFile : firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none)); + } + // Cannot specify module gen that isn't amd or system with --out + if (outputFile && !options.emitDeclarationOnly) { + if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) { + createDiagnosticForOptionName(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile", "module"); + } + else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) { + var span = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, typeof firstNonAmbientExternalModuleSourceFile.externalModuleIndicator === "boolean" ? firstNonAmbientExternalModuleSourceFile : firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile")); + } + } + if (options.resolveJsonModule) { + if (ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.NodeJs && + ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.Node16 && + ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.NodeNext) { + createDiagnosticForOptionName(ts.Diagnostics.Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy, "resolveJsonModule"); + } + // Any emit other than common js, amd, es2015 or esnext is error + else if (!ts.hasJsonModuleEmitEnabled(options)) { + createDiagnosticForOptionName(ts.Diagnostics.Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_esNext, "resolveJsonModule", "module"); + } + } + // there has to be common source directory if user specified --outdir || --rootDir || --sourceRoot + // if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted + if (options.outDir || // there is --outDir specified + options.rootDir || // there is --rootDir specified + options.sourceRoot || // there is --sourceRoot specified + options.mapRoot) { // there is --mapRoot specified + // Precalculate and cache the common source directory + var dir = getCommonSourceDirectory(); + // If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure + if (options.outDir && dir === "" && files.some(function (file) { return ts.getRootLength(file.fileName) > 1; })) { + createDiagnosticForOptionName(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files, "outDir"); + } + } + if (options.useDefineForClassFields && languageVersion === 0 /* ScriptTarget.ES3 */) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_when_option_target_is_ES3, "useDefineForClassFields"); + } + if (options.checkJs && !ts.getAllowJSCompilerOption(options)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "checkJs", "allowJs")); + } + if (options.emitDeclarationOnly) { + if (!ts.getEmitDeclarations(options)) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "emitDeclarationOnly", "declaration", "composite"); + } + if (options.noEmit) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "emitDeclarationOnly", "noEmit"); + } + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators"); + } + if (options.jsxFactory) { + if (options.reactNamespace) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "reactNamespace", "jsxFactory"); + } + if (options.jsx === 4 /* JsxEmit.ReactJSX */ || options.jsx === 5 /* JsxEmit.ReactJSXDev */) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_when_option_jsx_is_1, "jsxFactory", ts.inverseJsxOptionMap.get("" + options.jsx)); + } + if (!ts.parseIsolatedEntityName(options.jsxFactory, languageVersion)) { + createOptionValueDiagnostic("jsxFactory", ts.Diagnostics.Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name, options.jsxFactory); + } + } + else if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) { + createOptionValueDiagnostic("reactNamespace", ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace); + } + if (options.jsxFragmentFactory) { + if (!options.jsxFactory) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "jsxFragmentFactory", "jsxFactory"); + } + if (options.jsx === 4 /* JsxEmit.ReactJSX */ || options.jsx === 5 /* JsxEmit.ReactJSXDev */) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_when_option_jsx_is_1, "jsxFragmentFactory", ts.inverseJsxOptionMap.get("" + options.jsx)); + } + if (!ts.parseIsolatedEntityName(options.jsxFragmentFactory, languageVersion)) { + createOptionValueDiagnostic("jsxFragmentFactory", ts.Diagnostics.Invalid_value_for_jsxFragmentFactory_0_is_not_a_valid_identifier_or_qualified_name, options.jsxFragmentFactory); + } + } + if (options.reactNamespace) { + if (options.jsx === 4 /* JsxEmit.ReactJSX */ || options.jsx === 5 /* JsxEmit.ReactJSXDev */) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_when_option_jsx_is_1, "reactNamespace", ts.inverseJsxOptionMap.get("" + options.jsx)); + } + } + if (options.jsxImportSource) { + if (options.jsx === 2 /* JsxEmit.React */) { + createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_when_option_jsx_is_1, "jsxImportSource", ts.inverseJsxOptionMap.get("" + options.jsx)); + } + } + if (options.preserveValueImports && ts.getEmitModuleKind(options) < ts.ModuleKind.ES2015) { + createOptionValueDiagnostic("importsNotUsedAsValues", ts.Diagnostics.Option_preserveValueImports_can_only_be_used_when_module_is_set_to_es2015_or_later); + } + // If the emit is enabled make sure that every output file is unique and not overwriting any of the input files + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = new ts.Set(); + ts.forEachEmittedFile(emitHost, function (emitFileNames) { + if (!options.emitDeclarationOnly) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + } + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + // Verify that all the emit files are unique and don't overwrite input files + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = toPath(emitFileName); + // Report error if the output overwrites input file + if (filesByName.has(emitFilePath)) { + var chain = void 0; + if (!options.configFilePath) { + // The program is from either an inferred project or an external project + chain = ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain = ts.chainDiagnosticMessages(chain, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain)); + } + var emitFileKey = !host.useCaseSensitiveFileNames() ? ts.toFileNameLowerCase(emitFilePath) : emitFilePath; + // Report error if multiple files write into same file + if (emitFilesSeen.has(emitFileKey)) { + // Already seen the same emit file - report error + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); + } + else { + emitFilesSeen.add(emitFileKey); + } + } + } + } + function createDiagnosticExplainingFile(file, fileProcessingReason, diagnostic, args) { + var _a; + var fileIncludeReasons; + var relatedInfo; + var locationReason = isReferencedFile(fileProcessingReason) ? fileProcessingReason : undefined; + if (file) + (_a = fileReasons.get(file.path)) === null || _a === void 0 ? void 0 : _a.forEach(processReason); + if (fileProcessingReason) + processReason(fileProcessingReason); + // If we have location and there is only one reason file is in which is the location, dont add details for file include + if (locationReason && (fileIncludeReasons === null || fileIncludeReasons === void 0 ? void 0 : fileIncludeReasons.length) === 1) + fileIncludeReasons = undefined; + var location = locationReason && getReferencedFileLocation(getSourceFileByPath, locationReason); + var fileIncludeReasonDetails = fileIncludeReasons && ts.chainDiagnosticMessages(fileIncludeReasons, ts.Diagnostics.The_file_is_in_the_program_because_Colon); + var redirectInfo = file && ts.explainIfFileIsRedirect(file); + var chain = ts.chainDiagnosticMessages.apply(void 0, __spreadArray([redirectInfo ? fileIncludeReasonDetails ? __spreadArray([fileIncludeReasonDetails], redirectInfo, true) : redirectInfo : fileIncludeReasonDetails, diagnostic], args || ts.emptyArray, false)); + return location && isReferenceFileLocation(location) ? + ts.createFileDiagnosticFromMessageChain(location.file, location.pos, location.end - location.pos, chain, relatedInfo) : + ts.createCompilerDiagnosticFromMessageChain(chain, relatedInfo); + function processReason(reason) { + (fileIncludeReasons || (fileIncludeReasons = [])).push(ts.fileIncludeReasonToDiagnostics(program, reason)); + if (!locationReason && isReferencedFile(reason)) { + // Report error at first reference file or file currently in processing and dont report in related information + locationReason = reason; + } + else if (locationReason !== reason) { + relatedInfo = ts.append(relatedInfo, fileIncludeReasonToRelatedInformation(reason)); + } + // Remove fileProcessingReason if its already included in fileReasons of the program + if (reason === fileProcessingReason) + fileProcessingReason = undefined; + } + } + function addFilePreprocessingFileExplainingDiagnostic(file, fileProcessingReason, diagnostic, args) { + (fileProcessingDiagnostics || (fileProcessingDiagnostics = [])).push({ + kind: 1 /* FilePreprocessingDiagnosticsKind.FilePreprocessingFileExplainingDiagnostic */, + file: file && file.path, + fileProcessingReason: fileProcessingReason, + diagnostic: diagnostic, + args: args + }); + } + function addProgramDiagnosticExplainingFile(file, diagnostic, args) { + programDiagnostics.add(createDiagnosticExplainingFile(file, /*fileProcessingReason*/ undefined, diagnostic, args)); + } + function fileIncludeReasonToRelatedInformation(reason) { + if (isReferencedFile(reason)) { + var referenceLocation = getReferencedFileLocation(getSourceFileByPath, reason); + var message_2; + switch (reason.kind) { + case ts.FileIncludeKind.Import: + message_2 = ts.Diagnostics.File_is_included_via_import_here; + break; + case ts.FileIncludeKind.ReferenceFile: + message_2 = ts.Diagnostics.File_is_included_via_reference_here; + break; + case ts.FileIncludeKind.TypeReferenceDirective: + message_2 = ts.Diagnostics.File_is_included_via_type_library_reference_here; + break; + case ts.FileIncludeKind.LibReferenceDirective: + message_2 = ts.Diagnostics.File_is_included_via_library_reference_here; + break; + default: + ts.Debug.assertNever(reason); + } + return isReferenceFileLocation(referenceLocation) ? ts.createFileDiagnostic(referenceLocation.file, referenceLocation.pos, referenceLocation.end - referenceLocation.pos, message_2) : undefined; + } + if (!options.configFile) + return undefined; + var configFileNode; + var message; + switch (reason.kind) { + case ts.FileIncludeKind.RootFile: + if (!options.configFile.configFileSpecs) + return undefined; + var fileName = ts.getNormalizedAbsolutePath(rootNames[reason.index], currentDirectory); + var matchedByFiles = ts.getMatchedFileSpec(program, fileName); + if (matchedByFiles) { + configFileNode = ts.getTsConfigPropArrayElementValue(options.configFile, "files", matchedByFiles); + message = ts.Diagnostics.File_is_matched_by_files_list_specified_here; + break; + } + var matchedByInclude = ts.getMatchedIncludeSpec(program, fileName); + // Could be additional files specified as roots + if (!matchedByInclude) + return undefined; + configFileNode = ts.getTsConfigPropArrayElementValue(options.configFile, "include", matchedByInclude); + message = ts.Diagnostics.File_is_matched_by_include_pattern_specified_here; + break; + case ts.FileIncludeKind.SourceFromProjectReference: + case ts.FileIncludeKind.OutputFromProjectReference: + var referencedResolvedRef_1 = ts.Debug.checkDefined(resolvedProjectReferences === null || resolvedProjectReferences === void 0 ? void 0 : resolvedProjectReferences[reason.index]); + var referenceInfo = forEachProjectReference(projectReferences, resolvedProjectReferences, function (resolvedRef, parent, index) { + return resolvedRef === referencedResolvedRef_1 ? { sourceFile: (parent === null || parent === void 0 ? void 0 : parent.sourceFile) || options.configFile, index: index } : undefined; + }); + if (!referenceInfo) + return undefined; + var sourceFile = referenceInfo.sourceFile, index = referenceInfo.index; + var referencesSyntax = ts.firstDefined(ts.getTsConfigPropArray(sourceFile, "references"), function (property) { return ts.isArrayLiteralExpression(property.initializer) ? property.initializer : undefined; }); + return referencesSyntax && referencesSyntax.elements.length > index ? + ts.createDiagnosticForNodeInSourceFile(sourceFile, referencesSyntax.elements[index], reason.kind === ts.FileIncludeKind.OutputFromProjectReference ? + ts.Diagnostics.File_is_output_from_referenced_project_specified_here : + ts.Diagnostics.File_is_source_from_referenced_project_specified_here) : + undefined; + case ts.FileIncludeKind.AutomaticTypeDirectiveFile: + if (!options.types) + return undefined; + configFileNode = getOptionsSyntaxByArrayElementValue("types", reason.typeReference); + message = ts.Diagnostics.File_is_entry_point_of_type_library_specified_here; + break; + case ts.FileIncludeKind.LibFile: + if (reason.index !== undefined) { + configFileNode = getOptionsSyntaxByArrayElementValue("lib", options.lib[reason.index]); + message = ts.Diagnostics.File_is_library_specified_here; + break; + } + var target = ts.forEachEntry(ts.targetOptionDeclaration.type, function (value, key) { return value === ts.getEmitScriptTarget(options) ? key : undefined; }); + configFileNode = target ? getOptionsSyntaxByValue("target", target) : undefined; + message = ts.Diagnostics.File_is_default_library_for_target_specified_here; + break; + default: + ts.Debug.assertNever(reason); + } + return configFileNode && ts.createDiagnosticForNodeInSourceFile(options.configFile, configFileNode, message); + } + function verifyProjectReferences() { + var buildInfoPath = !options.suppressOutputPathCheck ? ts.getTsBuildInfoEmitOutputFilePath(options) : undefined; + forEachProjectReference(projectReferences, resolvedProjectReferences, function (resolvedRef, parent, index) { + var ref = (parent ? parent.commandLine.projectReferences : projectReferences)[index]; + var parentFile = parent && parent.sourceFile; + if (!resolvedRef) { + createDiagnosticForReference(parentFile, index, ts.Diagnostics.File_0_not_found, ref.path); + return; + } + var options = resolvedRef.commandLine.options; + if (!options.composite || options.noEmit) { + // ok to not have composite if the current program is container only + var inputs = parent ? parent.commandLine.fileNames : rootNames; + if (inputs.length) { + if (!options.composite) + createDiagnosticForReference(parentFile, index, ts.Diagnostics.Referenced_project_0_must_have_setting_composite_Colon_true, ref.path); + if (options.noEmit) + createDiagnosticForReference(parentFile, index, ts.Diagnostics.Referenced_project_0_may_not_disable_emit, ref.path); + } + } + if (ref.prepend) { + var out = ts.outFile(options); + if (out) { + if (!host.fileExists(out)) { + createDiagnosticForReference(parentFile, index, ts.Diagnostics.Output_file_0_from_project_1_does_not_exist, out, ref.path); + } + } + else { + createDiagnosticForReference(parentFile, index, ts.Diagnostics.Cannot_prepend_project_0_because_it_does_not_have_outFile_set, ref.path); + } + } + if (!parent && buildInfoPath && buildInfoPath === ts.getTsBuildInfoEmitOutputFilePath(options)) { + createDiagnosticForReference(parentFile, index, ts.Diagnostics.Cannot_write_file_0_because_it_will_overwrite_tsbuildinfo_file_generated_by_referenced_project_1, buildInfoPath, ref.path); + hasEmitBlockingDiagnostics.set(toPath(buildInfoPath), true); + } + }); + } + function createDiagnosticForOptionPathKeyValue(key, valueIndex, message, arg0, arg1, arg2) { + var needCompilerDiagnostic = true; + var pathsSyntax = getOptionPathsSyntax(); + for (var _i = 0, pathsSyntax_1 = pathsSyntax; _i < pathsSyntax_1.length; _i++) { + var pathProp = pathsSyntax_1[_i]; + if (ts.isObjectLiteralExpression(pathProp.initializer)) { + for (var _a = 0, _b = ts.getPropertyAssignment(pathProp.initializer, key); _a < _b.length; _a++) { + var keyProps = _b[_a]; + var initializer = keyProps.initializer; + if (ts.isArrayLiteralExpression(initializer) && initializer.elements.length > valueIndex) { + programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(options.configFile, initializer.elements[valueIndex], message, arg0, arg1, arg2)); + needCompilerDiagnostic = false; + } + } + } + } + if (needCompilerDiagnostic) { + programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1, arg2)); + } + } + function createDiagnosticForOptionPaths(onKey, key, message, arg0) { + var needCompilerDiagnostic = true; + var pathsSyntax = getOptionPathsSyntax(); + for (var _i = 0, pathsSyntax_2 = pathsSyntax; _i < pathsSyntax_2.length; _i++) { + var pathProp = pathsSyntax_2[_i]; + if (ts.isObjectLiteralExpression(pathProp.initializer) && + createOptionDiagnosticInObjectLiteralSyntax(pathProp.initializer, onKey, key, /*key2*/ undefined, message, arg0)) { + needCompilerDiagnostic = false; + } + } + if (needCompilerDiagnostic) { + programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0)); + } + } + function getOptionsSyntaxByName(name) { + var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax(); + return compilerOptionsObjectLiteralSyntax && ts.getPropertyAssignment(compilerOptionsObjectLiteralSyntax, name); + } + function getOptionPathsSyntax() { + return getOptionsSyntaxByName("paths") || ts.emptyArray; + } + function getOptionsSyntaxByValue(name, value) { + var syntaxByName = getOptionsSyntaxByName(name); + return syntaxByName && ts.firstDefined(syntaxByName, function (property) { return ts.isStringLiteral(property.initializer) && property.initializer.text === value ? property.initializer : undefined; }); + } + function getOptionsSyntaxByArrayElementValue(name, value) { + var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax(); + return compilerOptionsObjectLiteralSyntax && ts.getPropertyArrayElementValue(compilerOptionsObjectLiteralSyntax, name, value); + } + function createDiagnosticForOptionName(message, option1, option2, option3) { + createDiagnosticForOption(/*onKey*/ true, option1, option2, message, option1, option2, option3); + } + function createOptionValueDiagnostic(option1, message, arg0, arg1) { + createDiagnosticForOption(/*onKey*/ false, option1, /*option2*/ undefined, message, arg0, arg1); + } + function createDiagnosticForReference(sourceFile, index, message, arg0, arg1) { + var referencesSyntax = ts.firstDefined(ts.getTsConfigPropArray(sourceFile || options.configFile, "references"), function (property) { return ts.isArrayLiteralExpression(property.initializer) ? property.initializer : undefined; }); + if (referencesSyntax && referencesSyntax.elements.length > index) { + programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(sourceFile || options.configFile, referencesSyntax.elements[index], message, arg0, arg1)); + } + else { + programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1)); + } + } + function createDiagnosticForOption(onKey, option1, option2, message, arg0, arg1, arg2) { + var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax(); + var needCompilerDiagnostic = !compilerOptionsObjectLiteralSyntax || + !createOptionDiagnosticInObjectLiteralSyntax(compilerOptionsObjectLiteralSyntax, onKey, option1, option2, message, arg0, arg1, arg2); + if (needCompilerDiagnostic) { + programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1, arg2)); + } + } + function getCompilerOptionsObjectLiteralSyntax() { + if (_compilerOptionsObjectLiteralSyntax === undefined) { + _compilerOptionsObjectLiteralSyntax = false; + var jsonObjectLiteral = ts.getTsConfigObjectLiteralExpression(options.configFile); + if (jsonObjectLiteral) { + for (var _i = 0, _a = ts.getPropertyAssignment(jsonObjectLiteral, "compilerOptions"); _i < _a.length; _i++) { + var prop = _a[_i]; + if (ts.isObjectLiteralExpression(prop.initializer)) { + _compilerOptionsObjectLiteralSyntax = prop.initializer; + break; + } + } + } + } + return _compilerOptionsObjectLiteralSyntax || undefined; + } + function createOptionDiagnosticInObjectLiteralSyntax(objectLiteral, onKey, key1, key2, message, arg0, arg1, arg2) { + var props = ts.getPropertyAssignment(objectLiteral, key1, key2); + for (var _i = 0, props_3 = props; _i < props_3.length; _i++) { + var prop = props_3[_i]; + programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(options.configFile, onKey ? prop.name : prop.initializer, message, arg0, arg1, arg2)); + } + return !!props.length; + } + function blockEmittingOfFile(emitFileName, diag) { + hasEmitBlockingDiagnostics.set(toPath(emitFileName), true); + programDiagnostics.add(diag); + } + function isEmittedFile(file) { + if (options.noEmit) { + return false; + } + // If this is source file, its not emitted file + var filePath = toPath(file); + if (getSourceFileByPath(filePath)) { + return false; + } + // If options have --outFile or --out just check that + var out = ts.outFile(options); + if (out) { + return isSameFile(filePath, out) || isSameFile(filePath, ts.removeFileExtension(out) + ".d.ts" /* Extension.Dts */); + } + // If declarationDir is specified, return if its a file in that directory + if (options.declarationDir && ts.containsPath(options.declarationDir, filePath, currentDirectory, !host.useCaseSensitiveFileNames())) { + return true; + } + // If --outDir, check if file is in that directory + if (options.outDir) { + return ts.containsPath(options.outDir, filePath, currentDirectory, !host.useCaseSensitiveFileNames()); + } + if (ts.fileExtensionIsOneOf(filePath, ts.supportedJSExtensionsFlat) || ts.isDeclarationFileName(filePath)) { + // Otherwise just check if sourceFile with the name exists + var filePathWithoutExtension = ts.removeFileExtension(filePath); + return !!getSourceFileByPath((filePathWithoutExtension + ".ts" /* Extension.Ts */)) || + !!getSourceFileByPath((filePathWithoutExtension + ".tsx" /* Extension.Tsx */)); + } + return false; + } + function isSameFile(file1, file2) { + return ts.comparePaths(file1, file2, currentDirectory, !host.useCaseSensitiveFileNames()) === 0 /* Comparison.EqualTo */; + } + function getSymlinkCache() { + if (host.getSymlinkCache) { + return host.getSymlinkCache(); + } + if (!symlinks) { + symlinks = ts.createSymlinkCache(currentDirectory, getCanonicalFileName); + } + if (files && resolvedTypeReferenceDirectives && !symlinks.hasProcessedResolutions()) { + symlinks.setSymlinksFromResolutions(files, resolvedTypeReferenceDirectives); + } + return symlinks; + } + } + ts.createProgram = createProgram; + function updateHostForUseSourceOfProjectReferenceRedirect(host) { + var setOfDeclarationDirectories; + var originalFileExists = host.compilerHost.fileExists; + var originalDirectoryExists = host.compilerHost.directoryExists; + var originalGetDirectories = host.compilerHost.getDirectories; + var originalRealpath = host.compilerHost.realpath; + if (!host.useSourceOfProjectReferenceRedirect) + return { onProgramCreateComplete: ts.noop, fileExists: fileExists }; + host.compilerHost.fileExists = fileExists; + var directoryExists; + if (originalDirectoryExists) { + // This implementation of directoryExists checks if the directory being requested is + // directory of .d.ts file for the referenced Project. + // If it is it returns true irrespective of whether that directory exists on host + directoryExists = host.compilerHost.directoryExists = function (path) { + if (originalDirectoryExists.call(host.compilerHost, path)) { + handleDirectoryCouldBeSymlink(path); + return true; + } + if (!host.getResolvedProjectReferences()) + return false; + if (!setOfDeclarationDirectories) { + setOfDeclarationDirectories = new ts.Set(); + host.forEachResolvedProjectReference(function (ref) { + var out = ts.outFile(ref.commandLine.options); + if (out) { + setOfDeclarationDirectories.add(ts.getDirectoryPath(host.toPath(out))); + } + else { + // Set declaration's in different locations only, if they are next to source the directory present doesnt change + var declarationDir = ref.commandLine.options.declarationDir || ref.commandLine.options.outDir; + if (declarationDir) { + setOfDeclarationDirectories.add(host.toPath(declarationDir)); + } + } + }); + } + return fileOrDirectoryExistsUsingSource(path, /*isFile*/ false); + }; + } + if (originalGetDirectories) { + // Call getDirectories only if directory actually present on the host + // This is needed to ensure that we arent getting directories that we fake about presence for + host.compilerHost.getDirectories = function (path) { + return !host.getResolvedProjectReferences() || (originalDirectoryExists && originalDirectoryExists.call(host.compilerHost, path)) ? + originalGetDirectories.call(host.compilerHost, path) : + []; + }; + } + // This is something we keep for life time of the host + if (originalRealpath) { + host.compilerHost.realpath = function (s) { + var _a; + return ((_a = host.getSymlinkCache().getSymlinkedFiles()) === null || _a === void 0 ? void 0 : _a.get(host.toPath(s))) || + originalRealpath.call(host.compilerHost, s); + }; + } + return { onProgramCreateComplete: onProgramCreateComplete, fileExists: fileExists, directoryExists: directoryExists }; + function onProgramCreateComplete() { + host.compilerHost.fileExists = originalFileExists; + host.compilerHost.directoryExists = originalDirectoryExists; + host.compilerHost.getDirectories = originalGetDirectories; + // DO not revert realpath as it could be used later + } + // This implementation of fileExists checks if the file being requested is + // .d.ts file for the referenced Project. + // If it is it returns true irrespective of whether that file exists on host + function fileExists(file) { + if (originalFileExists.call(host.compilerHost, file)) + return true; + if (!host.getResolvedProjectReferences()) + return false; + if (!ts.isDeclarationFileName(file)) + return false; + // Project references go to source file instead of .d.ts file + return fileOrDirectoryExistsUsingSource(file, /*isFile*/ true); + } + function fileExistsIfProjectReferenceDts(file) { + var source = host.getSourceOfProjectReferenceRedirect(host.toPath(file)); + return source !== undefined ? + ts.isString(source) ? originalFileExists.call(host.compilerHost, source) : true : + undefined; + } + function directoryExistsIfProjectReferenceDeclDir(dir) { + var dirPath = host.toPath(dir); + var dirPathWithTrailingDirectorySeparator = "".concat(dirPath).concat(ts.directorySeparator); + return ts.forEachKey(setOfDeclarationDirectories, function (declDirPath) { return dirPath === declDirPath || + // Any parent directory of declaration dir + ts.startsWith(declDirPath, dirPathWithTrailingDirectorySeparator) || + // Any directory inside declaration dir + ts.startsWith(dirPath, "".concat(declDirPath, "/")); }); + } + function handleDirectoryCouldBeSymlink(directory) { + var _a; + if (!host.getResolvedProjectReferences() || ts.containsIgnoredPath(directory)) + return; + // Because we already watch node_modules, handle symlinks in there + if (!originalRealpath || !ts.stringContains(directory, ts.nodeModulesPathPart)) + return; + var symlinkCache = host.getSymlinkCache(); + var directoryPath = ts.ensureTrailingDirectorySeparator(host.toPath(directory)); + if ((_a = symlinkCache.getSymlinkedDirectories()) === null || _a === void 0 ? void 0 : _a.has(directoryPath)) + return; + var real = ts.normalizePath(originalRealpath.call(host.compilerHost, directory)); + var realPath; + if (real === directory || + (realPath = ts.ensureTrailingDirectorySeparator(host.toPath(real))) === directoryPath) { + // not symlinked + symlinkCache.setSymlinkedDirectory(directoryPath, false); + return; + } + symlinkCache.setSymlinkedDirectory(directory, { + real: ts.ensureTrailingDirectorySeparator(real), + realPath: realPath + }); + } + function fileOrDirectoryExistsUsingSource(fileOrDirectory, isFile) { + var _a; + var fileOrDirectoryExistsUsingSource = isFile ? + function (file) { return fileExistsIfProjectReferenceDts(file); } : + function (dir) { return directoryExistsIfProjectReferenceDeclDir(dir); }; + // Check current directory or file + var result = fileOrDirectoryExistsUsingSource(fileOrDirectory); + if (result !== undefined) + return result; + var symlinkCache = host.getSymlinkCache(); + var symlinkedDirectories = symlinkCache.getSymlinkedDirectories(); + if (!symlinkedDirectories) + return false; + var fileOrDirectoryPath = host.toPath(fileOrDirectory); + if (!ts.stringContains(fileOrDirectoryPath, ts.nodeModulesPathPart)) + return false; + if (isFile && ((_a = symlinkCache.getSymlinkedFiles()) === null || _a === void 0 ? void 0 : _a.has(fileOrDirectoryPath))) + return true; + // If it contains node_modules check if its one of the symlinked path we know of + return ts.firstDefinedIterator(symlinkedDirectories.entries(), function (_a) { + var directoryPath = _a[0], symlinkedDirectory = _a[1]; + if (!symlinkedDirectory || !ts.startsWith(fileOrDirectoryPath, directoryPath)) + return undefined; + var result = fileOrDirectoryExistsUsingSource(fileOrDirectoryPath.replace(directoryPath, symlinkedDirectory.realPath)); + if (isFile && result) { + // Store the real path for the file' + var absolutePath = ts.getNormalizedAbsolutePath(fileOrDirectory, host.compilerHost.getCurrentDirectory()); + symlinkCache.setSymlinkedFile(fileOrDirectoryPath, "".concat(symlinkedDirectory.real).concat(absolutePath.replace(new RegExp(directoryPath, "i"), ""))); + } + return result; + }) || false; + } + } + /*@internal*/ + ts.emitSkippedWithNoDiagnostics = { diagnostics: ts.emptyArray, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true }; + /*@internal*/ + function handleNoEmitOptions(program, sourceFile, writeFile, cancellationToken) { + var options = program.getCompilerOptions(); + if (options.noEmit) { + // Cache the semantic diagnostics + program.getSemanticDiagnostics(sourceFile, cancellationToken); + return sourceFile || ts.outFile(options) ? + ts.emitSkippedWithNoDiagnostics : + program.emitBuildInfo(writeFile, cancellationToken); + } + // If the noEmitOnError flag is set, then check if we have any errors so far. If so, + // immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we + // get any preEmit diagnostics, not just the ones + if (!options.noEmitOnError) + return undefined; + var diagnostics = __spreadArray(__spreadArray(__spreadArray(__spreadArray([], program.getOptionsDiagnostics(cancellationToken), true), program.getSyntacticDiagnostics(sourceFile, cancellationToken), true), program.getGlobalDiagnostics(cancellationToken), true), program.getSemanticDiagnostics(sourceFile, cancellationToken), true); + if (diagnostics.length === 0 && ts.getEmitDeclarations(program.getCompilerOptions())) { + diagnostics = program.getDeclarationDiagnostics(/*sourceFile*/ undefined, cancellationToken); + } + if (!diagnostics.length) + return undefined; + var emittedFiles; + if (!sourceFile && !ts.outFile(options)) { + var emitResult = program.emitBuildInfo(writeFile, cancellationToken); + if (emitResult.diagnostics) + diagnostics = __spreadArray(__spreadArray([], diagnostics, true), emitResult.diagnostics, true); + emittedFiles = emitResult.emittedFiles; + } + return { diagnostics: diagnostics, sourceMaps: undefined, emittedFiles: emittedFiles, emitSkipped: true }; + } + ts.handleNoEmitOptions = handleNoEmitOptions; + /*@internal*/ + function filterSemanticDiagnostics(diagnostic, option) { + return ts.filter(diagnostic, function (d) { return !d.skippedOn || !option[d.skippedOn]; }); + } + ts.filterSemanticDiagnostics = filterSemanticDiagnostics; + /* @internal */ + function parseConfigHostFromCompilerHostLike(host, directoryStructureHost) { + if (directoryStructureHost === void 0) { directoryStructureHost = host; } + return { + fileExists: function (f) { return directoryStructureHost.fileExists(f); }, + readDirectory: function (root, extensions, excludes, includes, depth) { + ts.Debug.assertIsDefined(directoryStructureHost.readDirectory, "'CompilerHost.readDirectory' must be implemented to correctly process 'projectReferences'"); + return directoryStructureHost.readDirectory(root, extensions, excludes, includes, depth); + }, + readFile: function (f) { return directoryStructureHost.readFile(f); }, + useCaseSensitiveFileNames: host.useCaseSensitiveFileNames(), + getCurrentDirectory: function () { return host.getCurrentDirectory(); }, + onUnRecoverableConfigFileDiagnostic: host.onUnRecoverableConfigFileDiagnostic || ts.returnUndefined, + trace: host.trace ? function (s) { return host.trace(s); } : undefined + }; + } + ts.parseConfigHostFromCompilerHostLike = parseConfigHostFromCompilerHostLike; + /* @internal */ + function createPrependNodes(projectReferences, getCommandLine, readFile) { + if (!projectReferences) + return ts.emptyArray; + var nodes; + for (var i = 0; i < projectReferences.length; i++) { + var ref = projectReferences[i]; + var resolvedRefOpts = getCommandLine(ref, i); + if (ref.prepend && resolvedRefOpts && resolvedRefOpts.options) { + var out = ts.outFile(resolvedRefOpts.options); + // Upstream project didn't have outFile set -- skip (error will have been issued earlier) + if (!out) + continue; + var _a = ts.getOutputPathsForBundle(resolvedRefOpts.options, /*forceDtsPaths*/ true), jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath, buildInfoPath = _a.buildInfoPath; + var node = ts.createInputFiles(readFile, jsFilePath, sourceMapFilePath, declarationFilePath, declarationMapPath, buildInfoPath); + (nodes || (nodes = [])).push(node); + } + } + return nodes || ts.emptyArray; + } + ts.createPrependNodes = createPrependNodes; + function resolveProjectReferencePath(hostOrRef, ref) { + var passedInRef = ref ? ref : hostOrRef; + return ts.resolveConfigFileProjectName(passedInRef.path); + } + ts.resolveProjectReferencePath = resolveProjectReferencePath; + /* @internal */ + /** + * Returns a DiagnosticMessage if we won't include a resolved module due to its extension. + * The DiagnosticMessage's parameters are the imported module name, and the filename it resolved to. + * This returns a diagnostic even if the module will be an untyped module. + */ + function getResolutionDiagnostic(options, _a) { + var extension = _a.extension; + switch (extension) { + case ".ts" /* Extension.Ts */: + case ".d.ts" /* Extension.Dts */: + // These are always allowed. + return undefined; + case ".tsx" /* Extension.Tsx */: + return needJsx(); + case ".jsx" /* Extension.Jsx */: + return needJsx() || needAllowJs(); + case ".js" /* Extension.Js */: + return needAllowJs(); + case ".json" /* Extension.Json */: + return needResolveJsonModule(); + } + function needJsx() { + return options.jsx ? undefined : ts.Diagnostics.Module_0_was_resolved_to_1_but_jsx_is_not_set; + } + function needAllowJs() { + return ts.getAllowJSCompilerOption(options) || !ts.getStrictOptionValue(options, "noImplicitAny") ? undefined : ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type; + } + function needResolveJsonModule() { + return options.resolveJsonModule ? undefined : ts.Diagnostics.Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used; + } + } + ts.getResolutionDiagnostic = getResolutionDiagnostic; + function getModuleNames(_a) { + var imports = _a.imports, moduleAugmentations = _a.moduleAugmentations; + var res = imports.map(function (i) { return i.text; }); + for (var _i = 0, moduleAugmentations_1 = moduleAugmentations; _i < moduleAugmentations_1.length; _i++) { + var aug = moduleAugmentations_1[_i]; + if (aug.kind === 10 /* SyntaxKind.StringLiteral */) { + res.push(aug.text); + } + // Do nothing if it's an Identifier; we don't need to do module resolution for `declare global`. + } + return res; + } + /* @internal */ + function getModuleNameStringLiteralAt(_a, index) { + var imports = _a.imports, moduleAugmentations = _a.moduleAugmentations; + if (index < imports.length) + return imports[index]; + var augIndex = imports.length; + for (var _i = 0, moduleAugmentations_2 = moduleAugmentations; _i < moduleAugmentations_2.length; _i++) { + var aug = moduleAugmentations_2[_i]; + if (aug.kind === 10 /* SyntaxKind.StringLiteral */) { + if (index === augIndex) + return aug; + augIndex++; + } + // Do nothing if it's an Identifier; we don't need to do module resolution for `declare global`. + } + ts.Debug.fail("should never ask for module name at index higher than possible module name"); + } + ts.getModuleNameStringLiteralAt = getModuleNameStringLiteralAt; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function getFileEmitOutput(program, sourceFile, emitOnlyDtsFiles, cancellationToken, customTransformers, forceDtsEmit) { + var outputFiles = []; + var _a = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers, forceDtsEmit), emitSkipped = _a.emitSkipped, diagnostics = _a.diagnostics, exportedModulesFromDeclarationEmit = _a.exportedModulesFromDeclarationEmit; + return { outputFiles: outputFiles, emitSkipped: emitSkipped, diagnostics: diagnostics, exportedModulesFromDeclarationEmit: exportedModulesFromDeclarationEmit }; + function writeFile(fileName, text, writeByteOrderMark) { + outputFiles.push({ name: fileName, writeByteOrderMark: writeByteOrderMark, text: text }); + } + } + ts.getFileEmitOutput = getFileEmitOutput; + var BuilderState; + (function (BuilderState) { + function createManyToManyPathMap() { + function create(forward, reverse, deleted) { + var map = { + clone: function () { return create(new ts.Map(forward), new ts.Map(reverse), deleted && new ts.Set(deleted)); }, + forEach: function (fn) { return forward.forEach(fn); }, + getKeys: function (v) { return reverse.get(v); }, + getValues: function (k) { return forward.get(k); }, + hasKey: function (k) { return forward.has(k); }, + keys: function () { return forward.keys(); }, + deletedKeys: function () { return deleted; }, + deleteKey: function (k) { + (deleted || (deleted = new ts.Set())).add(k); + var set = forward.get(k); + if (!set) { + return false; + } + set.forEach(function (v) { return deleteFromMultimap(reverse, v, k); }); + forward.delete(k); + return true; + }, + set: function (k, vSet) { + deleted === null || deleted === void 0 ? void 0 : deleted.delete(k); + var existingVSet = forward.get(k); + forward.set(k, vSet); + existingVSet === null || existingVSet === void 0 ? void 0 : existingVSet.forEach(function (v) { + if (!vSet.has(v)) { + deleteFromMultimap(reverse, v, k); + } + }); + vSet.forEach(function (v) { + if (!(existingVSet === null || existingVSet === void 0 ? void 0 : existingVSet.has(v))) { + addToMultimap(reverse, v, k); + } + }); + return map; + }, + clear: function () { + forward.clear(); + reverse.clear(); + deleted === null || deleted === void 0 ? void 0 : deleted.clear(); + } + }; + return map; + } + return create(new ts.Map(), new ts.Map(), /*deleted*/ undefined); + } + BuilderState.createManyToManyPathMap = createManyToManyPathMap; + function addToMultimap(map, k, v) { + var set = map.get(k); + if (!set) { + set = new ts.Set(); + map.set(k, set); + } + set.add(v); + } + function deleteFromMultimap(map, k, v) { + var set = map.get(k); + if (set === null || set === void 0 ? void 0 : set.delete(v)) { + if (!set.size) { + map.delete(k); + } + return true; + } + return false; + } + function getReferencedFilesFromImportedModuleSymbol(symbol) { + return ts.mapDefined(symbol.declarations, function (declaration) { var _a; return (_a = ts.getSourceFileOfNode(declaration)) === null || _a === void 0 ? void 0 : _a.resolvedPath; }); + } + /** + * Get the module source file and all augmenting files from the import name node from file + */ + function getReferencedFilesFromImportLiteral(checker, importName) { + var symbol = checker.getSymbolAtLocation(importName); + return symbol && getReferencedFilesFromImportedModuleSymbol(symbol); + } + /** + * Gets the path to reference file from file name, it could be resolvedPath if present otherwise path + */ + function getReferencedFileFromFileName(program, fileName, sourceFileDirectory, getCanonicalFileName) { + return ts.toPath(program.getProjectReferenceRedirect(fileName) || fileName, sourceFileDirectory, getCanonicalFileName); + } + /** + * Gets the referenced files for a file from the program with values for the keys as referenced file's path to be true + */ + function getReferencedFiles(program, sourceFile, getCanonicalFileName) { + var referencedFiles; + // We need to use a set here since the code can contain the same import twice, + // but that will only be one dependency. + // To avoid invernal conversion, the key of the referencedFiles map must be of type Path + if (sourceFile.imports && sourceFile.imports.length > 0) { + var checker = program.getTypeChecker(); + for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) { + var importName = _a[_i]; + var declarationSourceFilePaths = getReferencedFilesFromImportLiteral(checker, importName); + declarationSourceFilePaths === null || declarationSourceFilePaths === void 0 ? void 0 : declarationSourceFilePaths.forEach(addReferencedFile); + } + } + var sourceFileDirectory = ts.getDirectoryPath(sourceFile.resolvedPath); + // Handle triple slash references + if (sourceFile.referencedFiles && sourceFile.referencedFiles.length > 0) { + for (var _b = 0, _c = sourceFile.referencedFiles; _b < _c.length; _b++) { + var referencedFile = _c[_b]; + var referencedPath = getReferencedFileFromFileName(program, referencedFile.fileName, sourceFileDirectory, getCanonicalFileName); + addReferencedFile(referencedPath); + } + } + // Handle type reference directives + if (sourceFile.resolvedTypeReferenceDirectiveNames) { + sourceFile.resolvedTypeReferenceDirectiveNames.forEach(function (resolvedTypeReferenceDirective) { + if (!resolvedTypeReferenceDirective) { + return; + } + var fileName = resolvedTypeReferenceDirective.resolvedFileName; // TODO: GH#18217 + var typeFilePath = getReferencedFileFromFileName(program, fileName, sourceFileDirectory, getCanonicalFileName); + addReferencedFile(typeFilePath); + }); + } + // Add module augmentation as references + if (sourceFile.moduleAugmentations.length) { + var checker = program.getTypeChecker(); + for (var _d = 0, _e = sourceFile.moduleAugmentations; _d < _e.length; _d++) { + var moduleName = _e[_d]; + if (!ts.isStringLiteral(moduleName)) + continue; + var symbol = checker.getSymbolAtLocation(moduleName); + if (!symbol) + continue; + // Add any file other than our own as reference + addReferenceFromAmbientModule(symbol); + } + } + // From ambient modules + for (var _f = 0, _g = program.getTypeChecker().getAmbientModules(); _f < _g.length; _f++) { + var ambientModule = _g[_f]; + if (ambientModule.declarations && ambientModule.declarations.length > 1) { + addReferenceFromAmbientModule(ambientModule); + } + } + return referencedFiles; + function addReferenceFromAmbientModule(symbol) { + if (!symbol.declarations) { + return; + } + // Add any file other than our own as reference + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + var declarationSourceFile = ts.getSourceFileOfNode(declaration); + if (declarationSourceFile && + declarationSourceFile !== sourceFile) { + addReferencedFile(declarationSourceFile.resolvedPath); + } + } + } + function addReferencedFile(referencedPath) { + (referencedFiles || (referencedFiles = new ts.Set())).add(referencedPath); + } + } + /** + * Returns true if oldState is reusable, that is the emitKind = module/non module has not changed + */ + function canReuseOldState(newReferencedMap, oldState) { + return oldState && !oldState.referencedMap === !newReferencedMap; + } + BuilderState.canReuseOldState = canReuseOldState; + /** + * Creates the state of file references and signature for the new program from oldState if it is safe + */ + function create(newProgram, getCanonicalFileName, oldState, disableUseFileVersionAsSignature) { + var fileInfos = new ts.Map(); + var referencedMap = newProgram.getCompilerOptions().module !== ts.ModuleKind.None ? createManyToManyPathMap() : undefined; + var exportedModulesMap = referencedMap ? createManyToManyPathMap() : undefined; + var hasCalledUpdateShapeSignature = new ts.Set(); + var useOldState = canReuseOldState(referencedMap, oldState); + // Ensure source files have parent pointers set + newProgram.getTypeChecker(); + // Create the reference map, and set the file infos + for (var _i = 0, _a = newProgram.getSourceFiles(); _i < _a.length; _i++) { + var sourceFile = _a[_i]; + var version_2 = ts.Debug.checkDefined(sourceFile.version, "Program intended to be used with Builder should have source files with versions set"); + var oldInfo = useOldState ? oldState.fileInfos.get(sourceFile.resolvedPath) : undefined; + if (referencedMap) { + var newReferences = getReferencedFiles(newProgram, sourceFile, getCanonicalFileName); + if (newReferences) { + referencedMap.set(sourceFile.resolvedPath, newReferences); + } + // Copy old visible to outside files map + if (useOldState) { + var exportedModules = oldState.exportedModulesMap.getValues(sourceFile.resolvedPath); + if (exportedModules) { + exportedModulesMap.set(sourceFile.resolvedPath, exportedModules); + } + } + } + fileInfos.set(sourceFile.resolvedPath, { version: version_2, signature: oldInfo && oldInfo.signature, affectsGlobalScope: isFileAffectingGlobalScope(sourceFile) || undefined, impliedFormat: sourceFile.impliedNodeFormat }); + } + return { + fileInfos: fileInfos, + referencedMap: referencedMap, + exportedModulesMap: exportedModulesMap, + hasCalledUpdateShapeSignature: hasCalledUpdateShapeSignature, + useFileVersionAsSignature: !disableUseFileVersionAsSignature && !useOldState + }; + } + BuilderState.create = create; + /** + * Releases needed properties + */ + function releaseCache(state) { + state.allFilesExcludingDefaultLibraryFile = undefined; + state.allFileNames = undefined; + } + BuilderState.releaseCache = releaseCache; + /** + * Creates a clone of the state + */ + function clone(state) { + var _a, _b; + // Dont need to backup allFiles info since its cache anyway + return { + fileInfos: new ts.Map(state.fileInfos), + referencedMap: (_a = state.referencedMap) === null || _a === void 0 ? void 0 : _a.clone(), + exportedModulesMap: (_b = state.exportedModulesMap) === null || _b === void 0 ? void 0 : _b.clone(), + hasCalledUpdateShapeSignature: new ts.Set(state.hasCalledUpdateShapeSignature), + useFileVersionAsSignature: state.useFileVersionAsSignature, + }; + } + BuilderState.clone = clone; + /** + * Gets the files affected by the path from the program + */ + function getFilesAffectedBy(state, programOfThisState, path, cancellationToken, computeHash, cacheToUpdateSignature, exportedModulesMapCache) { + // Since the operation could be cancelled, the signatures are always stored in the cache + // They will be committed once it is safe to use them + // eg when calling this api from tsserver, if there is no cancellation of the operation + // In the other cases the affected files signatures are committed only after the iteration through the result is complete + var signatureCache = cacheToUpdateSignature || new ts.Map(); + var sourceFile = programOfThisState.getSourceFileByPath(path); + if (!sourceFile) { + return ts.emptyArray; + } + if (!updateShapeSignature(state, programOfThisState, sourceFile, signatureCache, cancellationToken, computeHash, exportedModulesMapCache)) { + return [sourceFile]; + } + var result = (state.referencedMap ? getFilesAffectedByUpdatedShapeWhenModuleEmit : getFilesAffectedByUpdatedShapeWhenNonModuleEmit)(state, programOfThisState, sourceFile, signatureCache, cancellationToken, computeHash, exportedModulesMapCache); + if (!cacheToUpdateSignature) { + // Commit all the signatures in the signature cache + updateSignaturesFromCache(state, signatureCache); + } + return result; + } + BuilderState.getFilesAffectedBy = getFilesAffectedBy; + /** + * Updates the signatures from the cache into state's fileinfo signatures + * This should be called whenever it is safe to commit the state of the builder + */ + function updateSignaturesFromCache(state, signatureCache) { + signatureCache.forEach(function (signature, path) { return updateSignatureOfFile(state, signature, path); }); + } + BuilderState.updateSignaturesFromCache = updateSignaturesFromCache; + function updateSignatureOfFile(state, signature, path) { + state.fileInfos.get(path).signature = signature; + state.hasCalledUpdateShapeSignature.add(path); + } + BuilderState.updateSignatureOfFile = updateSignatureOfFile; + /** + * Returns if the shape of the signature has changed since last emit + */ + function updateShapeSignature(state, programOfThisState, sourceFile, cacheToUpdateSignature, cancellationToken, computeHash, exportedModulesMapCache, useFileVersionAsSignature) { + if (useFileVersionAsSignature === void 0) { useFileVersionAsSignature = state.useFileVersionAsSignature; } + ts.Debug.assert(!!sourceFile); + ts.Debug.assert(!exportedModulesMapCache || !!state.exportedModulesMap, "Compute visible to outside map only if visibleToOutsideReferencedMap present in the state"); + // If we have cached the result for this file, that means hence forth we should assume file shape is uptodate + if (state.hasCalledUpdateShapeSignature.has(sourceFile.resolvedPath) || cacheToUpdateSignature.has(sourceFile.resolvedPath)) { + return false; + } + var info = state.fileInfos.get(sourceFile.resolvedPath); + if (!info) + return ts.Debug.fail(); + var prevSignature = info.signature; + var latestSignature; + if (!sourceFile.isDeclarationFile && !useFileVersionAsSignature) { + var emitOutput_1 = getFileEmitOutput(programOfThisState, sourceFile, + /*emitOnlyDtsFiles*/ true, cancellationToken, + /*customTransformers*/ undefined, + /*forceDtsEmit*/ true); + var firstDts_1 = ts.firstOrUndefined(emitOutput_1.outputFiles); + if (firstDts_1) { + ts.Debug.assert(ts.isDeclarationFileName(firstDts_1.name), "File extension for signature expected to be dts", function () { return "Found: ".concat(ts.getAnyExtensionFromPath(firstDts_1.name), " for ").concat(firstDts_1.name, ":: All output files: ").concat(JSON.stringify(emitOutput_1.outputFiles.map(function (f) { return f.name; }))); }); + latestSignature = (computeHash || ts.generateDjb2Hash)(firstDts_1.text); + if (exportedModulesMapCache && latestSignature !== prevSignature) { + updateExportedModules(sourceFile, emitOutput_1.exportedModulesFromDeclarationEmit, exportedModulesMapCache); + } + } + } + // Default is to use file version as signature + if (latestSignature === undefined) { + latestSignature = sourceFile.version; + if (exportedModulesMapCache && latestSignature !== prevSignature) { + // All the references in this file are exported + var references = state.referencedMap ? state.referencedMap.getValues(sourceFile.resolvedPath) : undefined; + if (references) { + exportedModulesMapCache.set(sourceFile.resolvedPath, references); + } + else { + exportedModulesMapCache.deleteKey(sourceFile.resolvedPath); + } + } + } + cacheToUpdateSignature.set(sourceFile.resolvedPath, latestSignature); + return latestSignature !== prevSignature; + } + BuilderState.updateShapeSignature = updateShapeSignature; + /** + * Coverts the declaration emit result into exported modules map + */ + function updateExportedModules(sourceFile, exportedModulesFromDeclarationEmit, exportedModulesMapCache) { + if (!exportedModulesFromDeclarationEmit) { + exportedModulesMapCache.deleteKey(sourceFile.resolvedPath); + return; + } + var exportedModules; + exportedModulesFromDeclarationEmit.forEach(function (symbol) { return addExportedModule(getReferencedFilesFromImportedModuleSymbol(symbol)); }); + if (exportedModules) { + exportedModulesMapCache.set(sourceFile.resolvedPath, exportedModules); + } + else { + exportedModulesMapCache.deleteKey(sourceFile.resolvedPath); + } + function addExportedModule(exportedModulePaths) { + if (exportedModulePaths === null || exportedModulePaths === void 0 ? void 0 : exportedModulePaths.length) { + if (!exportedModules) { + exportedModules = new ts.Set(); + } + exportedModulePaths.forEach(function (path) { return exportedModules.add(path); }); + } + } + } + BuilderState.updateExportedModules = updateExportedModules; + /** + * Updates the exported modules from cache into state's exported modules map + * This should be called whenever it is safe to commit the state of the builder + */ + function updateExportedFilesMapFromCache(state, exportedModulesMapCache) { + var _a; + if (exportedModulesMapCache) { + ts.Debug.assert(!!state.exportedModulesMap); + (_a = exportedModulesMapCache.deletedKeys()) === null || _a === void 0 ? void 0 : _a.forEach(function (path) { return state.exportedModulesMap.deleteKey(path); }); + exportedModulesMapCache.forEach(function (exportedModules, path) { return state.exportedModulesMap.set(path, exportedModules); }); + } + } + BuilderState.updateExportedFilesMapFromCache = updateExportedFilesMapFromCache; + /** + * Get all the dependencies of the sourceFile + */ + function getAllDependencies(state, programOfThisState, sourceFile) { + var compilerOptions = programOfThisState.getCompilerOptions(); + // With --out or --outFile all outputs go into single file, all files depend on each other + if (ts.outFile(compilerOptions)) { + return getAllFileNames(state, programOfThisState); + } + // If this is non module emit, or its a global file, it depends on all the source files + if (!state.referencedMap || isFileAffectingGlobalScope(sourceFile)) { + return getAllFileNames(state, programOfThisState); + } + // Get the references, traversing deep from the referenceMap + var seenMap = new ts.Set(); + var queue = [sourceFile.resolvedPath]; + while (queue.length) { + var path = queue.pop(); + if (!seenMap.has(path)) { + seenMap.add(path); + var references = state.referencedMap.getValues(path); + if (references) { + var iterator = references.keys(); + for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) { + queue.push(iterResult.value); + } + } + } + } + return ts.arrayFrom(ts.mapDefinedIterator(seenMap.keys(), function (path) { var _a, _b; return (_b = (_a = programOfThisState.getSourceFileByPath(path)) === null || _a === void 0 ? void 0 : _a.fileName) !== null && _b !== void 0 ? _b : path; })); + } + BuilderState.getAllDependencies = getAllDependencies; + /** + * Gets the names of all files from the program + */ + function getAllFileNames(state, programOfThisState) { + if (!state.allFileNames) { + var sourceFiles = programOfThisState.getSourceFiles(); + state.allFileNames = sourceFiles === ts.emptyArray ? ts.emptyArray : sourceFiles.map(function (file) { return file.fileName; }); + } + return state.allFileNames; + } + /** + * Gets the files referenced by the the file path + */ + function getReferencedByPaths(state, referencedFilePath) { + var keys = state.referencedMap.getKeys(referencedFilePath); + return keys ? ts.arrayFrom(keys.keys()) : []; + } + BuilderState.getReferencedByPaths = getReferencedByPaths; + /** + * For script files that contains only ambient external modules, although they are not actually external module files, + * they can only be consumed via importing elements from them. Regular script files cannot consume them. Therefore, + * there are no point to rebuild all script files if these special files have changed. However, if any statement + * in the file is not ambient external module, we treat it as a regular script file. + */ + function containsOnlyAmbientModules(sourceFile) { + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (!ts.isModuleWithStringLiteralName(statement)) { + return false; + } + } + return true; + } + /** + * Return true if file contains anything that augments to global scope we need to build them as if + * they are global files as well as module + */ + function containsGlobalScopeAugmentation(sourceFile) { + return ts.some(sourceFile.moduleAugmentations, function (augmentation) { return ts.isGlobalScopeAugmentation(augmentation.parent); }); + } + /** + * Return true if the file will invalidate all files because it affectes global scope + */ + function isFileAffectingGlobalScope(sourceFile) { + return containsGlobalScopeAugmentation(sourceFile) || + !ts.isExternalOrCommonJsModule(sourceFile) && !ts.isJsonSourceFile(sourceFile) && !containsOnlyAmbientModules(sourceFile); + } + /** + * Gets all files of the program excluding the default library file + */ + function getAllFilesExcludingDefaultLibraryFile(state, programOfThisState, firstSourceFile) { + // Use cached result + if (state.allFilesExcludingDefaultLibraryFile) { + return state.allFilesExcludingDefaultLibraryFile; + } + var result; + if (firstSourceFile) + addSourceFile(firstSourceFile); + for (var _i = 0, _a = programOfThisState.getSourceFiles(); _i < _a.length; _i++) { + var sourceFile = _a[_i]; + if (sourceFile !== firstSourceFile) { + addSourceFile(sourceFile); + } + } + state.allFilesExcludingDefaultLibraryFile = result || ts.emptyArray; + return state.allFilesExcludingDefaultLibraryFile; + function addSourceFile(sourceFile) { + if (!programOfThisState.isSourceFileDefaultLibrary(sourceFile)) { + (result || (result = [])).push(sourceFile); + } + } + } + BuilderState.getAllFilesExcludingDefaultLibraryFile = getAllFilesExcludingDefaultLibraryFile; + /** + * When program emits non modular code, gets the files affected by the sourceFile whose shape has changed + */ + function getFilesAffectedByUpdatedShapeWhenNonModuleEmit(state, programOfThisState, sourceFileWithUpdatedShape) { + var compilerOptions = programOfThisState.getCompilerOptions(); + // If `--out` or `--outFile` is specified, any new emit will result in re-emitting the entire project, + // so returning the file itself is good enough. + if (compilerOptions && ts.outFile(compilerOptions)) { + return [sourceFileWithUpdatedShape]; + } + return getAllFilesExcludingDefaultLibraryFile(state, programOfThisState, sourceFileWithUpdatedShape); + } + /** + * When program emits modular code, gets the files affected by the sourceFile whose shape has changed + */ + function getFilesAffectedByUpdatedShapeWhenModuleEmit(state, programOfThisState, sourceFileWithUpdatedShape, cacheToUpdateSignature, cancellationToken, computeHash, exportedModulesMapCache) { + if (isFileAffectingGlobalScope(sourceFileWithUpdatedShape)) { + return getAllFilesExcludingDefaultLibraryFile(state, programOfThisState, sourceFileWithUpdatedShape); + } + var compilerOptions = programOfThisState.getCompilerOptions(); + if (compilerOptions && (compilerOptions.isolatedModules || ts.outFile(compilerOptions))) { + return [sourceFileWithUpdatedShape]; + } + // Now we need to if each file in the referencedBy list has a shape change as well. + // Because if so, its own referencedBy files need to be saved as well to make the + // emitting result consistent with files on disk. + var seenFileNamesMap = new ts.Map(); + // Start with the paths this file was referenced by + seenFileNamesMap.set(sourceFileWithUpdatedShape.resolvedPath, sourceFileWithUpdatedShape); + var queue = getReferencedByPaths(state, sourceFileWithUpdatedShape.resolvedPath); + while (queue.length > 0) { + var currentPath = queue.pop(); + if (!seenFileNamesMap.has(currentPath)) { + var currentSourceFile = programOfThisState.getSourceFileByPath(currentPath); + seenFileNamesMap.set(currentPath, currentSourceFile); + if (currentSourceFile && updateShapeSignature(state, programOfThisState, currentSourceFile, cacheToUpdateSignature, cancellationToken, computeHash, exportedModulesMapCache)) { + queue.push.apply(queue, getReferencedByPaths(state, currentSourceFile.resolvedPath)); + } + } + } + // Return array of values that needs emit + return ts.arrayFrom(ts.mapDefinedIterator(seenFileNamesMap.values(), function (value) { return value; })); + } + })(BuilderState = ts.BuilderState || (ts.BuilderState = {})); +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var BuilderFileEmit; + (function (BuilderFileEmit) { + BuilderFileEmit[BuilderFileEmit["DtsOnly"] = 0] = "DtsOnly"; + BuilderFileEmit[BuilderFileEmit["Full"] = 1] = "Full"; + })(BuilderFileEmit = ts.BuilderFileEmit || (ts.BuilderFileEmit = {})); + function hasSameKeys(map1, map2) { + // Has same size and every key is present in both maps + return map1 === map2 || map1 !== undefined && map2 !== undefined && map1.size === map2.size && !ts.forEachKey(map1, function (key) { return !map2.has(key); }); + } + /** + * Create the state so that we can iterate on changedFiles/affected files + */ + function createBuilderProgramState(newProgram, getCanonicalFileName, oldState, disableUseFileVersionAsSignature) { + var state = ts.BuilderState.create(newProgram, getCanonicalFileName, oldState, disableUseFileVersionAsSignature); + state.program = newProgram; + var compilerOptions = newProgram.getCompilerOptions(); + state.compilerOptions = compilerOptions; + // With --out or --outFile, any change affects all semantic diagnostics so no need to cache them + if (!ts.outFile(compilerOptions)) { + state.semanticDiagnosticsPerFile = new ts.Map(); + } + state.changedFilesSet = new ts.Set(); + var useOldState = ts.BuilderState.canReuseOldState(state.referencedMap, oldState); + var oldCompilerOptions = useOldState ? oldState.compilerOptions : undefined; + var canCopySemanticDiagnostics = useOldState && oldState.semanticDiagnosticsPerFile && !!state.semanticDiagnosticsPerFile && + !ts.compilerOptionsAffectSemanticDiagnostics(compilerOptions, oldCompilerOptions); + if (useOldState) { + // Verify the sanity of old state + if (!oldState.currentChangedFilePath) { + var affectedSignatures = oldState.currentAffectedFilesSignatures; + ts.Debug.assert(!oldState.affectedFiles && (!affectedSignatures || !affectedSignatures.size), "Cannot reuse if only few affected files of currentChangedFile were iterated"); + } + var changedFilesSet = oldState.changedFilesSet; + if (canCopySemanticDiagnostics) { + ts.Debug.assert(!changedFilesSet || !ts.forEachKey(changedFilesSet, function (path) { return oldState.semanticDiagnosticsPerFile.has(path); }), "Semantic diagnostics shouldnt be available for changed files"); + } + // Copy old state's changed files set + changedFilesSet === null || changedFilesSet === void 0 ? void 0 : changedFilesSet.forEach(function (value) { return state.changedFilesSet.add(value); }); + if (!ts.outFile(compilerOptions) && oldState.affectedFilesPendingEmit) { + state.affectedFilesPendingEmit = oldState.affectedFilesPendingEmit.slice(); + state.affectedFilesPendingEmitKind = oldState.affectedFilesPendingEmitKind && new ts.Map(oldState.affectedFilesPendingEmitKind); + state.affectedFilesPendingEmitIndex = oldState.affectedFilesPendingEmitIndex; + state.seenAffectedFiles = new ts.Set(); + } + } + // Update changed files and copy semantic diagnostics if we can + var referencedMap = state.referencedMap; + var oldReferencedMap = useOldState ? oldState.referencedMap : undefined; + var copyDeclarationFileDiagnostics = canCopySemanticDiagnostics && !compilerOptions.skipLibCheck === !oldCompilerOptions.skipLibCheck; + var copyLibFileDiagnostics = copyDeclarationFileDiagnostics && !compilerOptions.skipDefaultLibCheck === !oldCompilerOptions.skipDefaultLibCheck; + state.fileInfos.forEach(function (info, sourceFilePath) { + var oldInfo; + var newReferences; + // if not using old state, every file is changed + if (!useOldState || + // File wasn't present in old state + !(oldInfo = oldState.fileInfos.get(sourceFilePath)) || + // versions dont match + oldInfo.version !== info.version || + // Referenced files changed + !hasSameKeys(newReferences = referencedMap && referencedMap.getValues(sourceFilePath), oldReferencedMap && oldReferencedMap.getValues(sourceFilePath)) || + // Referenced file was deleted in the new program + newReferences && ts.forEachKey(newReferences, function (path) { return !state.fileInfos.has(path) && oldState.fileInfos.has(path); })) { + // Register file as changed file and do not copy semantic diagnostics, since all changed files need to be re-evaluated + state.changedFilesSet.add(sourceFilePath); + } + else if (canCopySemanticDiagnostics) { + var sourceFile = newProgram.getSourceFileByPath(sourceFilePath); + if (sourceFile.isDeclarationFile && !copyDeclarationFileDiagnostics) + return; + if (sourceFile.hasNoDefaultLib && !copyLibFileDiagnostics) + return; + // Unchanged file copy diagnostics + var diagnostics = oldState.semanticDiagnosticsPerFile.get(sourceFilePath); + if (diagnostics) { + state.semanticDiagnosticsPerFile.set(sourceFilePath, oldState.hasReusableDiagnostic ? convertToDiagnostics(diagnostics, newProgram, getCanonicalFileName) : diagnostics); + if (!state.semanticDiagnosticsFromOldState) { + state.semanticDiagnosticsFromOldState = new ts.Set(); + } + state.semanticDiagnosticsFromOldState.add(sourceFilePath); + } + } + }); + // If the global file is removed, add all files as changed + if (useOldState && ts.forEachEntry(oldState.fileInfos, function (info, sourceFilePath) { return info.affectsGlobalScope && !state.fileInfos.has(sourceFilePath); })) { + ts.BuilderState.getAllFilesExcludingDefaultLibraryFile(state, newProgram, /*firstSourceFile*/ undefined) + .forEach(function (file) { return state.changedFilesSet.add(file.resolvedPath); }); + } + else if (oldCompilerOptions && !ts.outFile(compilerOptions) && ts.compilerOptionsAffectEmit(compilerOptions, oldCompilerOptions)) { + // Add all files to affectedFilesPendingEmit since emit changed + newProgram.getSourceFiles().forEach(function (f) { return addToAffectedFilesPendingEmit(state, f.resolvedPath, 1 /* BuilderFileEmit.Full */); }); + ts.Debug.assert(!state.seenAffectedFiles || !state.seenAffectedFiles.size); + state.seenAffectedFiles = state.seenAffectedFiles || new ts.Set(); + } + if (useOldState) { + // Any time the interpretation of a source file changes, mark it as changed + ts.forEachEntry(oldState.fileInfos, function (info, sourceFilePath) { + if (state.fileInfos.has(sourceFilePath) && state.fileInfos.get(sourceFilePath).impliedFormat !== info.impliedFormat) { + state.changedFilesSet.add(sourceFilePath); + } + }); + } + state.buildInfoEmitPending = !!state.changedFilesSet.size; + return state; + } + function convertToDiagnostics(diagnostics, newProgram, getCanonicalFileName) { + if (!diagnostics.length) + return ts.emptyArray; + var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(ts.getTsBuildInfoEmitOutputFilePath(newProgram.getCompilerOptions()), newProgram.getCurrentDirectory())); + return diagnostics.map(function (diagnostic) { + var result = convertToDiagnosticRelatedInformation(diagnostic, newProgram, toPath); + result.reportsUnnecessary = diagnostic.reportsUnnecessary; + result.reportsDeprecated = diagnostic.reportDeprecated; + result.source = diagnostic.source; + result.skippedOn = diagnostic.skippedOn; + var relatedInformation = diagnostic.relatedInformation; + result.relatedInformation = relatedInformation ? + relatedInformation.length ? + relatedInformation.map(function (r) { return convertToDiagnosticRelatedInformation(r, newProgram, toPath); }) : + [] : + undefined; + return result; + }); + function toPath(path) { + return ts.toPath(path, buildInfoDirectory, getCanonicalFileName); + } + } + function convertToDiagnosticRelatedInformation(diagnostic, newProgram, toPath) { + var file = diagnostic.file; + return __assign(__assign({}, diagnostic), { file: file ? newProgram.getSourceFileByPath(toPath(file)) : undefined }); + } + /** + * Releases program and other related not needed properties + */ + function releaseCache(state) { + ts.BuilderState.releaseCache(state); + state.program = undefined; + } + /** + * Creates a clone of the state + */ + function cloneBuilderProgramState(state) { + var _a; + var newState = ts.BuilderState.clone(state); + newState.semanticDiagnosticsPerFile = state.semanticDiagnosticsPerFile && new ts.Map(state.semanticDiagnosticsPerFile); + newState.changedFilesSet = new ts.Set(state.changedFilesSet); + newState.affectedFiles = state.affectedFiles; + newState.affectedFilesIndex = state.affectedFilesIndex; + newState.currentChangedFilePath = state.currentChangedFilePath; + newState.currentAffectedFilesSignatures = state.currentAffectedFilesSignatures && new ts.Map(state.currentAffectedFilesSignatures); + newState.currentAffectedFilesExportedModulesMap = (_a = state.currentAffectedFilesExportedModulesMap) === null || _a === void 0 ? void 0 : _a.clone(); + newState.seenAffectedFiles = state.seenAffectedFiles && new ts.Set(state.seenAffectedFiles); + newState.cleanedDiagnosticsOfLibFiles = state.cleanedDiagnosticsOfLibFiles; + newState.semanticDiagnosticsFromOldState = state.semanticDiagnosticsFromOldState && new ts.Set(state.semanticDiagnosticsFromOldState); + newState.program = state.program; + newState.compilerOptions = state.compilerOptions; + newState.affectedFilesPendingEmit = state.affectedFilesPendingEmit && state.affectedFilesPendingEmit.slice(); + newState.affectedFilesPendingEmitKind = state.affectedFilesPendingEmitKind && new ts.Map(state.affectedFilesPendingEmitKind); + newState.affectedFilesPendingEmitIndex = state.affectedFilesPendingEmitIndex; + newState.seenEmittedFiles = state.seenEmittedFiles && new ts.Map(state.seenEmittedFiles); + newState.programEmitComplete = state.programEmitComplete; + return newState; + } + /** + * Verifies that source file is ok to be used in calls that arent handled by next + */ + function assertSourceFileOkWithoutNextAffectedCall(state, sourceFile) { + ts.Debug.assert(!sourceFile || !state.affectedFiles || state.affectedFiles[state.affectedFilesIndex - 1] !== sourceFile || !state.semanticDiagnosticsPerFile.has(sourceFile.resolvedPath)); + } + /** + * This function returns the next affected file to be processed. + * Note that until doneAffected is called it would keep reporting same result + * This is to allow the callers to be able to actually remove affected file only when the operation is complete + * eg. if during diagnostics check cancellation token ends up cancelling the request, the affected file should be retained + */ + function getNextAffectedFile(state, cancellationToken, computeHash, host) { + var _a; + while (true) { + var affectedFiles = state.affectedFiles; + if (affectedFiles) { + var seenAffectedFiles = state.seenAffectedFiles; + var affectedFilesIndex = state.affectedFilesIndex; // TODO: GH#18217 + while (affectedFilesIndex < affectedFiles.length) { + var affectedFile = affectedFiles[affectedFilesIndex]; + if (!seenAffectedFiles.has(affectedFile.resolvedPath)) { + // Set the next affected file as seen and remove the cached semantic diagnostics + state.affectedFilesIndex = affectedFilesIndex; + handleDtsMayChangeOfAffectedFile(state, affectedFile, cancellationToken, computeHash, host); + return affectedFile; + } + affectedFilesIndex++; + } + // Remove the changed file from the change set + state.changedFilesSet.delete(state.currentChangedFilePath); + state.currentChangedFilePath = undefined; + // Commit the changes in file signature + ts.BuilderState.updateSignaturesFromCache(state, state.currentAffectedFilesSignatures); + state.currentAffectedFilesSignatures.clear(); + ts.BuilderState.updateExportedFilesMapFromCache(state, state.currentAffectedFilesExportedModulesMap); + (_a = state.currentAffectedFilesExportedModulesMap) === null || _a === void 0 ? void 0 : _a.clear(); + state.affectedFiles = undefined; + } + // Get next changed file + var nextKey = state.changedFilesSet.keys().next(); + if (nextKey.done) { + // Done + return undefined; + } + // With --out or --outFile all outputs go into single file + // so operations are performed directly on program, return program + var program = ts.Debug.checkDefined(state.program); + var compilerOptions = program.getCompilerOptions(); + if (ts.outFile(compilerOptions)) { + ts.Debug.assert(!state.semanticDiagnosticsPerFile); + return program; + } + // Get next batch of affected files + if (!state.currentAffectedFilesSignatures) + state.currentAffectedFilesSignatures = new ts.Map(); + if (state.exportedModulesMap) { + state.currentAffectedFilesExportedModulesMap || (state.currentAffectedFilesExportedModulesMap = ts.BuilderState.createManyToManyPathMap()); + } + state.affectedFiles = ts.BuilderState.getFilesAffectedBy(state, program, nextKey.value, cancellationToken, computeHash, state.currentAffectedFilesSignatures, state.currentAffectedFilesExportedModulesMap); + state.currentChangedFilePath = nextKey.value; + state.affectedFilesIndex = 0; + if (!state.seenAffectedFiles) + state.seenAffectedFiles = new ts.Set(); + } + } + function clearAffectedFilesPendingEmit(state) { + state.affectedFilesPendingEmit = undefined; + state.affectedFilesPendingEmitKind = undefined; + state.affectedFilesPendingEmitIndex = undefined; + } + /** + * Returns next file to be emitted from files that retrieved semantic diagnostics but did not emit yet + */ + function getNextAffectedFilePendingEmit(state) { + var affectedFilesPendingEmit = state.affectedFilesPendingEmit; + if (affectedFilesPendingEmit) { + var seenEmittedFiles = (state.seenEmittedFiles || (state.seenEmittedFiles = new ts.Map())); + for (var i = state.affectedFilesPendingEmitIndex; i < affectedFilesPendingEmit.length; i++) { + var affectedFile = ts.Debug.checkDefined(state.program).getSourceFileByPath(affectedFilesPendingEmit[i]); + if (affectedFile) { + var seenKind = seenEmittedFiles.get(affectedFile.resolvedPath); + var emitKind = ts.Debug.checkDefined(ts.Debug.checkDefined(state.affectedFilesPendingEmitKind).get(affectedFile.resolvedPath)); + if (seenKind === undefined || seenKind < emitKind) { + // emit this file + state.affectedFilesPendingEmitIndex = i; + return { affectedFile: affectedFile, emitKind: emitKind }; + } + } + } + clearAffectedFilesPendingEmit(state); + } + return undefined; + } + function removeDiagnosticsOfLibraryFiles(state) { + if (!state.cleanedDiagnosticsOfLibFiles) { + state.cleanedDiagnosticsOfLibFiles = true; + var program_1 = ts.Debug.checkDefined(state.program); + var options_2 = program_1.getCompilerOptions(); + ts.forEach(program_1.getSourceFiles(), function (f) { + return program_1.isSourceFileDefaultLibrary(f) && + !ts.skipTypeChecking(f, options_2, program_1) && + removeSemanticDiagnosticsOf(state, f.resolvedPath); + }); + } + } + /** + * Handles semantic diagnostics and dts emit for affectedFile and files, that are referencing modules that export entities from affected file + * This is because even though js emit doesnt change, dts emit / type used can change resulting in need for dts emit and js change + */ + function handleDtsMayChangeOfAffectedFile(state, affectedFile, cancellationToken, computeHash, host) { + var _a; + removeSemanticDiagnosticsOf(state, affectedFile.resolvedPath); + // If affected files is everything except default library, then nothing more to do + if (state.allFilesExcludingDefaultLibraryFile === state.affectedFiles) { + removeDiagnosticsOfLibraryFiles(state); + // When a change affects the global scope, all files are considered to be affected without updating their signature + // That means when affected file is handled, its signature can be out of date + // To avoid this, ensure that we update the signature for any affected file in this scenario. + ts.BuilderState.updateShapeSignature(state, ts.Debug.checkDefined(state.program), affectedFile, ts.Debug.checkDefined(state.currentAffectedFilesSignatures), cancellationToken, computeHash, state.currentAffectedFilesExportedModulesMap); + return; + } + ts.Debug.assert(state.hasCalledUpdateShapeSignature.has(affectedFile.resolvedPath) || ((_a = state.currentAffectedFilesSignatures) === null || _a === void 0 ? void 0 : _a.has(affectedFile.resolvedPath)), "Signature not updated for affected file: ".concat(affectedFile.fileName)); + if (state.compilerOptions.assumeChangesOnlyAffectDirectDependencies) + return; + handleDtsMayChangeOfReferencingExportOfAffectedFile(state, affectedFile, cancellationToken, computeHash, host); + } + /** + * Handle the dts may change, so they need to be added to pending emit if dts emit is enabled, + * Also we need to make sure signature is updated for these files + */ + function handleDtsMayChangeOf(state, path, cancellationToken, computeHash, host) { + removeSemanticDiagnosticsOf(state, path); + if (!state.changedFilesSet.has(path)) { + var program = ts.Debug.checkDefined(state.program); + var sourceFile = program.getSourceFileByPath(path); + if (sourceFile) { + // Even though the js emit doesnt change and we are already handling dts emit and semantic diagnostics + // we need to update the signature to reflect correctness of the signature(which is output d.ts emit) of this file + // This ensures that we dont later during incremental builds considering wrong signature. + // Eg where this also is needed to ensure that .tsbuildinfo generated by incremental build should be same as if it was first fresh build + // But we avoid expensive full shape computation, as using file version as shape is enough for correctness. + ts.BuilderState.updateShapeSignature(state, program, sourceFile, ts.Debug.checkDefined(state.currentAffectedFilesSignatures), cancellationToken, computeHash, state.currentAffectedFilesExportedModulesMap, !host.disableUseFileVersionAsSignature); + // If not dts emit, nothing more to do + if (ts.getEmitDeclarations(state.compilerOptions)) { + addToAffectedFilesPendingEmit(state, path, 0 /* BuilderFileEmit.DtsOnly */); + } + } + } + } + /** + * Removes semantic diagnostics for path and + * returns true if there are no more semantic diagnostics from the old state + */ + function removeSemanticDiagnosticsOf(state, path) { + if (!state.semanticDiagnosticsFromOldState) { + return true; + } + state.semanticDiagnosticsFromOldState.delete(path); + state.semanticDiagnosticsPerFile.delete(path); + return !state.semanticDiagnosticsFromOldState.size; + } + function isChangedSignature(state, path) { + var newSignature = ts.Debug.checkDefined(state.currentAffectedFilesSignatures).get(path); + var oldSignature = ts.Debug.checkDefined(state.fileInfos.get(path)).signature; + return newSignature !== oldSignature; + } + function forEachKeyOfExportedModulesMap(state, filePath, fn) { + // Go through exported modules from cache first + var keys = state.currentAffectedFilesExportedModulesMap.getKeys(filePath); + var result = keys && ts.forEachKey(keys, fn); + if (result) + return result; + // If exported from path is not from cache and exported modules has path, all files referencing file exported from are affected + keys = state.exportedModulesMap.getKeys(filePath); + return keys && ts.forEachKey(keys, function (exportedFromPath) { + var _a; + // If the cache had an updated value, skip + return !state.currentAffectedFilesExportedModulesMap.hasKey(exportedFromPath) && + !((_a = state.currentAffectedFilesExportedModulesMap.deletedKeys()) === null || _a === void 0 ? void 0 : _a.has(exportedFromPath)) ? + fn(exportedFromPath) : + undefined; + }); + } + function handleDtsMayChangeOfGlobalScope(state, filePath, cancellationToken, computeHash, host) { + var _a; + if (!((_a = state.fileInfos.get(filePath)) === null || _a === void 0 ? void 0 : _a.affectsGlobalScope)) + return false; + // Every file needs to be handled + ts.BuilderState.getAllFilesExcludingDefaultLibraryFile(state, state.program, /*firstSourceFile*/ undefined) + .forEach(function (file) { return handleDtsMayChangeOf(state, file.resolvedPath, cancellationToken, computeHash, host); }); + removeDiagnosticsOfLibraryFiles(state); + return true; + } + /** + * Iterate on referencing modules that export entities from affected file and delete diagnostics and add pending emit + */ + function handleDtsMayChangeOfReferencingExportOfAffectedFile(state, affectedFile, cancellationToken, computeHash, host) { + // If there was change in signature (dts output) for the changed file, + // then only we need to handle pending file emit + if (!state.exportedModulesMap || !state.changedFilesSet.has(affectedFile.resolvedPath)) + return; + if (!isChangedSignature(state, affectedFile.resolvedPath)) + return; + // Since isolated modules dont change js files, files affected by change in signature is itself + // But we need to cleanup semantic diagnostics and queue dts emit for affected files + if (state.compilerOptions.isolatedModules) { + var seenFileNamesMap = new ts.Map(); + seenFileNamesMap.set(affectedFile.resolvedPath, true); + var queue = ts.BuilderState.getReferencedByPaths(state, affectedFile.resolvedPath); + while (queue.length > 0) { + var currentPath = queue.pop(); + if (!seenFileNamesMap.has(currentPath)) { + seenFileNamesMap.set(currentPath, true); + if (handleDtsMayChangeOfGlobalScope(state, currentPath, cancellationToken, computeHash, host)) + return; + handleDtsMayChangeOf(state, currentPath, cancellationToken, computeHash, host); + if (isChangedSignature(state, currentPath)) { + var currentSourceFile = ts.Debug.checkDefined(state.program).getSourceFileByPath(currentPath); + queue.push.apply(queue, ts.BuilderState.getReferencedByPaths(state, currentSourceFile.resolvedPath)); + } + } + } + } + ts.Debug.assert(!!state.currentAffectedFilesExportedModulesMap); + var seenFileAndExportsOfFile = new ts.Set(); + // Go through exported modules from cache first + // If exported modules has path, all files referencing file exported from are affected + forEachKeyOfExportedModulesMap(state, affectedFile.resolvedPath, function (exportedFromPath) { + if (handleDtsMayChangeOfGlobalScope(state, exportedFromPath, cancellationToken, computeHash, host)) + return true; + var references = state.referencedMap.getKeys(exportedFromPath); + return references && ts.forEachKey(references, function (filePath) { + return handleDtsMayChangeOfFileAndExportsOfFile(state, filePath, seenFileAndExportsOfFile, cancellationToken, computeHash, host); + }); + }); + } + /** + * handle dts and semantic diagnostics on file and iterate on anything that exports this file + * return true when all work is done and we can exit handling dts emit and semantic diagnostics + */ + function handleDtsMayChangeOfFileAndExportsOfFile(state, filePath, seenFileAndExportsOfFile, cancellationToken, computeHash, host) { + var _a; + if (!ts.tryAddToSet(seenFileAndExportsOfFile, filePath)) + return undefined; + if (handleDtsMayChangeOfGlobalScope(state, filePath, cancellationToken, computeHash, host)) + return true; + handleDtsMayChangeOf(state, filePath, cancellationToken, computeHash, host); + ts.Debug.assert(!!state.currentAffectedFilesExportedModulesMap); + // If exported modules has path, all files referencing file exported from are affected + forEachKeyOfExportedModulesMap(state, filePath, function (exportedFromPath) { + return handleDtsMayChangeOfFileAndExportsOfFile(state, exportedFromPath, seenFileAndExportsOfFile, cancellationToken, computeHash, host); + }); + // Remove diagnostics of files that import this file (without going to exports of referencing files) + (_a = state.referencedMap.getKeys(filePath)) === null || _a === void 0 ? void 0 : _a.forEach(function (referencingFilePath) { + return !seenFileAndExportsOfFile.has(referencingFilePath) && // Not already removed diagnostic file + handleDtsMayChangeOf(// Dont add to seen since this is not yet done with the export removal + state, referencingFilePath, cancellationToken, computeHash, host); + }); + return undefined; + } + /** + * This is called after completing operation on the next affected file. + * The operations here are postponed to ensure that cancellation during the iteration is handled correctly + */ + function doneWithAffectedFile(state, affected, emitKind, isPendingEmit, isBuildInfoEmit) { + if (isBuildInfoEmit) { + state.buildInfoEmitPending = false; + } + else if (affected === state.program) { + state.changedFilesSet.clear(); + state.programEmitComplete = true; + } + else { + state.seenAffectedFiles.add(affected.resolvedPath); + if (emitKind !== undefined) { + (state.seenEmittedFiles || (state.seenEmittedFiles = new ts.Map())).set(affected.resolvedPath, emitKind); + } + if (isPendingEmit) { + state.affectedFilesPendingEmitIndex++; + state.buildInfoEmitPending = true; + } + else { + state.affectedFilesIndex++; + } + } + } + /** + * Returns the result with affected file + */ + function toAffectedFileResult(state, result, affected) { + doneWithAffectedFile(state, affected); + return { result: result, affected: affected }; + } + /** + * Returns the result with affected file + */ + function toAffectedFileEmitResult(state, result, affected, emitKind, isPendingEmit, isBuildInfoEmit) { + doneWithAffectedFile(state, affected, emitKind, isPendingEmit, isBuildInfoEmit); + return { result: result, affected: affected }; + } + /** + * Gets semantic diagnostics for the file which are + * bindAndCheckDiagnostics (from cache) and program diagnostics + */ + function getSemanticDiagnosticsOfFile(state, sourceFile, cancellationToken) { + return ts.concatenate(getBinderAndCheckerDiagnosticsOfFile(state, sourceFile, cancellationToken), ts.Debug.checkDefined(state.program).getProgramDiagnostics(sourceFile)); + } + /** + * Gets the binder and checker diagnostics either from cache if present, or otherwise from program and caches it + * Note that it is assumed that when asked about binder and checker diagnostics, the file has been taken out of affected files/changed file set + */ + function getBinderAndCheckerDiagnosticsOfFile(state, sourceFile, cancellationToken) { + var path = sourceFile.resolvedPath; + if (state.semanticDiagnosticsPerFile) { + var cachedDiagnostics = state.semanticDiagnosticsPerFile.get(path); + // Report the bind and check diagnostics from the cache if we already have those diagnostics present + if (cachedDiagnostics) { + return ts.filterSemanticDiagnostics(cachedDiagnostics, state.compilerOptions); + } + } + // Diagnostics werent cached, get them from program, and cache the result + var diagnostics = ts.Debug.checkDefined(state.program).getBindAndCheckDiagnostics(sourceFile, cancellationToken); + if (state.semanticDiagnosticsPerFile) { + state.semanticDiagnosticsPerFile.set(path, diagnostics); + } + return ts.filterSemanticDiagnostics(diagnostics, state.compilerOptions); + } + /** + * Gets the program information to be emitted in buildInfo so that we can use it to create new program + */ + function getProgramBuildInfo(state, getCanonicalFileName) { + if (ts.outFile(state.compilerOptions)) + return undefined; + var currentDirectory = ts.Debug.checkDefined(state.program).getCurrentDirectory(); + var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(ts.getTsBuildInfoEmitOutputFilePath(state.compilerOptions), currentDirectory)); + var fileNames = []; + var fileNameToFileId = new ts.Map(); + var fileIdsList; + var fileNamesToFileIdListId; + var fileInfos = ts.arrayFrom(state.fileInfos.entries(), function (_a) { + var key = _a[0], value = _a[1]; + // Ensure fileId + var fileId = toFileId(key); + ts.Debug.assert(fileNames[fileId - 1] === relativeToBuildInfo(key)); + var signature = state.currentAffectedFilesSignatures && state.currentAffectedFilesSignatures.get(key); + var actualSignature = signature !== null && signature !== void 0 ? signature : value.signature; + return value.version === actualSignature ? + value.affectsGlobalScope || value.impliedFormat ? + // If file version is same as signature, dont serialize signature + { version: value.version, signature: undefined, affectsGlobalScope: value.affectsGlobalScope, impliedFormat: value.impliedFormat } : + // If file info only contains version and signature and both are same we can just write string + value.version : + actualSignature !== undefined ? // If signature is not same as version, encode signature in the fileInfo + signature === undefined ? + // If we havent computed signature, use fileInfo as is + value : + // Serialize fileInfo with new updated signature + { version: value.version, signature: signature, affectsGlobalScope: value.affectsGlobalScope, impliedFormat: value.impliedFormat } : + // Signature of the FileInfo is undefined, serialize it as false + { version: value.version, signature: false, affectsGlobalScope: value.affectsGlobalScope, impliedFormat: value.impliedFormat }; + }); + var referencedMap; + if (state.referencedMap) { + referencedMap = ts.arrayFrom(state.referencedMap.keys()).sort(ts.compareStringsCaseSensitive).map(function (key) { return [ + toFileId(key), + toFileIdListId(state.referencedMap.getValues(key)) + ]; }); + } + var exportedModulesMap; + if (state.exportedModulesMap) { + exportedModulesMap = ts.mapDefined(ts.arrayFrom(state.exportedModulesMap.keys()).sort(ts.compareStringsCaseSensitive), function (key) { + var _a; + if (state.currentAffectedFilesExportedModulesMap) { + if ((_a = state.currentAffectedFilesExportedModulesMap.deletedKeys()) === null || _a === void 0 ? void 0 : _a.has(key)) { + return undefined; + } + var newValue = state.currentAffectedFilesExportedModulesMap.getValues(key); + if (newValue) { + return [toFileId(key), toFileIdListId(newValue)]; + } + } + // Not in temporary cache, use existing value + return [toFileId(key), toFileIdListId(state.exportedModulesMap.getValues(key))]; + }); + } + var semanticDiagnosticsPerFile; + if (state.semanticDiagnosticsPerFile) { + for (var _i = 0, _a = ts.arrayFrom(state.semanticDiagnosticsPerFile.keys()).sort(ts.compareStringsCaseSensitive); _i < _a.length; _i++) { + var key = _a[_i]; + var value = state.semanticDiagnosticsPerFile.get(key); + (semanticDiagnosticsPerFile || (semanticDiagnosticsPerFile = [])).push(value.length ? + [ + toFileId(key), + state.hasReusableDiagnostic ? + value : + convertToReusableDiagnostics(value, relativeToBuildInfo) + ] : + toFileId(key)); + } + } + var affectedFilesPendingEmit; + if (state.affectedFilesPendingEmit) { + var seenFiles = new ts.Set(); + for (var _b = 0, _c = state.affectedFilesPendingEmit.slice(state.affectedFilesPendingEmitIndex).sort(ts.compareStringsCaseSensitive); _b < _c.length; _b++) { + var path = _c[_b]; + if (ts.tryAddToSet(seenFiles, path)) { + (affectedFilesPendingEmit || (affectedFilesPendingEmit = [])).push([toFileId(path), state.affectedFilesPendingEmitKind.get(path)]); + } + } + } + return { + fileNames: fileNames, + fileInfos: fileInfos, + options: convertToProgramBuildInfoCompilerOptions(state.compilerOptions, relativeToBuildInfoEnsuringAbsolutePath), + fileIdsList: fileIdsList, + referencedMap: referencedMap, + exportedModulesMap: exportedModulesMap, + semanticDiagnosticsPerFile: semanticDiagnosticsPerFile, + affectedFilesPendingEmit: affectedFilesPendingEmit, + }; + function relativeToBuildInfoEnsuringAbsolutePath(path) { + return relativeToBuildInfo(ts.getNormalizedAbsolutePath(path, currentDirectory)); + } + function relativeToBuildInfo(path) { + return ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(buildInfoDirectory, path, getCanonicalFileName)); + } + function toFileId(path) { + var fileId = fileNameToFileId.get(path); + if (fileId === undefined) { + fileNames.push(relativeToBuildInfo(path)); + fileNameToFileId.set(path, fileId = fileNames.length); + } + return fileId; + } + function toFileIdListId(set) { + var fileIds = ts.arrayFrom(set.keys(), toFileId).sort(ts.compareValues); + var key = fileIds.join(); + var fileIdListId = fileNamesToFileIdListId === null || fileNamesToFileIdListId === void 0 ? void 0 : fileNamesToFileIdListId.get(key); + if (fileIdListId === undefined) { + (fileIdsList || (fileIdsList = [])).push(fileIds); + (fileNamesToFileIdListId || (fileNamesToFileIdListId = new ts.Map())).set(key, fileIdListId = fileIdsList.length); + } + return fileIdListId; + } + } + function convertToProgramBuildInfoCompilerOptions(options, relativeToBuildInfo) { + var result; + var optionsNameMap = ts.getOptionsNameMap().optionsNameMap; + for (var _i = 0, _a = ts.getOwnKeys(options).sort(ts.compareStringsCaseSensitive); _i < _a.length; _i++) { + var name = _a[_i]; + var optionKey = name.toLowerCase(); + var optionInfo = optionsNameMap.get(optionKey); + if ((optionInfo === null || optionInfo === void 0 ? void 0 : optionInfo.affectsEmit) || (optionInfo === null || optionInfo === void 0 ? void 0 : optionInfo.affectsSemanticDiagnostics) || + // We need to store `strict`, even though it won't be examined directly, so that the + // flags it controls (e.g. `strictNullChecks`) will be retrieved correctly from the buildinfo + optionKey === "strict" || + // We need to store these to determine whether `lib` files need to be rechecked. + optionKey === "skiplibcheck" || optionKey === "skipdefaultlibcheck") { + (result || (result = {}))[name] = convertToReusableCompilerOptionValue(optionInfo, options[name], relativeToBuildInfo); + } + } + return result; + } + function convertToReusableCompilerOptionValue(option, value, relativeToBuildInfo) { + if (option) { + if (option.type === "list") { + var values = value; + if (option.element.isFilePath && values.length) { + return values.map(relativeToBuildInfo); + } + } + else if (option.isFilePath) { + return relativeToBuildInfo(value); + } + } + return value; + } + function convertToReusableDiagnostics(diagnostics, relativeToBuildInfo) { + ts.Debug.assert(!!diagnostics.length); + return diagnostics.map(function (diagnostic) { + var result = convertToReusableDiagnosticRelatedInformation(diagnostic, relativeToBuildInfo); + result.reportsUnnecessary = diagnostic.reportsUnnecessary; + result.reportDeprecated = diagnostic.reportsDeprecated; + result.source = diagnostic.source; + result.skippedOn = diagnostic.skippedOn; + var relatedInformation = diagnostic.relatedInformation; + result.relatedInformation = relatedInformation ? + relatedInformation.length ? + relatedInformation.map(function (r) { return convertToReusableDiagnosticRelatedInformation(r, relativeToBuildInfo); }) : + [] : + undefined; + return result; + }); + } + function convertToReusableDiagnosticRelatedInformation(diagnostic, relativeToBuildInfo) { + var file = diagnostic.file; + return __assign(__assign({}, diagnostic), { file: file ? relativeToBuildInfo(file.resolvedPath) : undefined }); + } + var BuilderProgramKind; + (function (BuilderProgramKind) { + BuilderProgramKind[BuilderProgramKind["SemanticDiagnosticsBuilderProgram"] = 0] = "SemanticDiagnosticsBuilderProgram"; + BuilderProgramKind[BuilderProgramKind["EmitAndSemanticDiagnosticsBuilderProgram"] = 1] = "EmitAndSemanticDiagnosticsBuilderProgram"; + })(BuilderProgramKind = ts.BuilderProgramKind || (ts.BuilderProgramKind = {})); + function getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) { + var host; + var newProgram; + var oldProgram; + if (newProgramOrRootNames === undefined) { + ts.Debug.assert(hostOrOptions === undefined); + host = oldProgramOrHost; + oldProgram = configFileParsingDiagnosticsOrOldProgram; + ts.Debug.assert(!!oldProgram); + newProgram = oldProgram.getProgram(); + } + else if (ts.isArray(newProgramOrRootNames)) { + oldProgram = configFileParsingDiagnosticsOrOldProgram; + newProgram = ts.createProgram({ + rootNames: newProgramOrRootNames, + options: hostOrOptions, + host: oldProgramOrHost, + oldProgram: oldProgram && oldProgram.getProgramOrUndefined(), + configFileParsingDiagnostics: configFileParsingDiagnostics, + projectReferences: projectReferences + }); + host = oldProgramOrHost; + } + else { + newProgram = newProgramOrRootNames; + host = hostOrOptions; + oldProgram = oldProgramOrHost; + configFileParsingDiagnostics = configFileParsingDiagnosticsOrOldProgram; + } + return { host: host, newProgram: newProgram, oldProgram: oldProgram, configFileParsingDiagnostics: configFileParsingDiagnostics || ts.emptyArray }; + } + ts.getBuilderCreationParameters = getBuilderCreationParameters; + function createBuilderProgram(kind, _a) { + var newProgram = _a.newProgram, host = _a.host, oldProgram = _a.oldProgram, configFileParsingDiagnostics = _a.configFileParsingDiagnostics; + // Return same program if underlying program doesnt change + var oldState = oldProgram && oldProgram.getState(); + if (oldState && newProgram === oldState.program && configFileParsingDiagnostics === newProgram.getConfigFileParsingDiagnostics()) { + newProgram = undefined; // TODO: GH#18217 + oldState = undefined; + return oldProgram; + } + /** + * Create the canonical file name for identity + */ + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames()); + /** + * Computing hash to for signature verification + */ + var computeHash = ts.maybeBind(host, host.createHash); + var state = createBuilderProgramState(newProgram, getCanonicalFileName, oldState, host.disableUseFileVersionAsSignature); + var backupState; + newProgram.getProgramBuildInfo = function () { return getProgramBuildInfo(state, getCanonicalFileName); }; + // To ensure that we arent storing any references to old program or new program without state + newProgram = undefined; // TODO: GH#18217 + oldProgram = undefined; + oldState = undefined; + var getState = function () { return state; }; + var builderProgram = createRedirectedBuilderProgram(getState, configFileParsingDiagnostics); + builderProgram.getState = getState; + builderProgram.backupState = function () { + ts.Debug.assert(backupState === undefined); + backupState = cloneBuilderProgramState(state); + }; + builderProgram.restoreState = function () { + state = ts.Debug.checkDefined(backupState); + backupState = undefined; + }; + builderProgram.getAllDependencies = function (sourceFile) { return ts.BuilderState.getAllDependencies(state, ts.Debug.checkDefined(state.program), sourceFile); }; + builderProgram.getSemanticDiagnostics = getSemanticDiagnostics; + builderProgram.emit = emit; + builderProgram.releaseProgram = function () { + releaseCache(state); + backupState = undefined; + }; + if (kind === BuilderProgramKind.SemanticDiagnosticsBuilderProgram) { + builderProgram.getSemanticDiagnosticsOfNextAffectedFile = getSemanticDiagnosticsOfNextAffectedFile; + } + else if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram) { + builderProgram.getSemanticDiagnosticsOfNextAffectedFile = getSemanticDiagnosticsOfNextAffectedFile; + builderProgram.emitNextAffectedFile = emitNextAffectedFile; + builderProgram.emitBuildInfo = emitBuildInfo; + } + else { + ts.notImplemented(); + } + return builderProgram; + function emitBuildInfo(writeFile, cancellationToken) { + if (state.buildInfoEmitPending) { + var result = ts.Debug.checkDefined(state.program).emitBuildInfo(writeFile || ts.maybeBind(host, host.writeFile), cancellationToken); + state.buildInfoEmitPending = false; + return result; + } + return ts.emitSkippedWithNoDiagnostics; + } + /** + * Emits the next affected file's emit result (EmitResult and sourceFiles emitted) or returns undefined if iteration is complete + * The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host + * in that order would be used to write the files + */ + function emitNextAffectedFile(writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) { + var affected = getNextAffectedFile(state, cancellationToken, computeHash, host); + var emitKind = 1 /* BuilderFileEmit.Full */; + var isPendingEmitFile = false; + if (!affected) { + if (!ts.outFile(state.compilerOptions)) { + var pendingAffectedFile = getNextAffectedFilePendingEmit(state); + if (!pendingAffectedFile) { + if (!state.buildInfoEmitPending) { + return undefined; + } + var affected_1 = ts.Debug.checkDefined(state.program); + return toAffectedFileEmitResult(state, + // When whole program is affected, do emit only once (eg when --out or --outFile is specified) + // Otherwise just affected file + affected_1.emitBuildInfo(writeFile || ts.maybeBind(host, host.writeFile), cancellationToken), affected_1, 1 /* BuilderFileEmit.Full */, + /*isPendingEmitFile*/ false, + /*isBuildInfoEmit*/ true); + } + (affected = pendingAffectedFile.affectedFile, emitKind = pendingAffectedFile.emitKind); + isPendingEmitFile = true; + } + else { + var program = ts.Debug.checkDefined(state.program); + if (state.programEmitComplete) + return undefined; + affected = program; + } + } + return toAffectedFileEmitResult(state, + // When whole program is affected, do emit only once (eg when --out or --outFile is specified) + // Otherwise just affected file + ts.Debug.checkDefined(state.program).emit(affected === state.program ? undefined : affected, affected !== state.program && ts.getEmitDeclarations(state.compilerOptions) && !customTransformers ? + getWriteFileUpdatingSignatureCallback(writeFile) : + writeFile || ts.maybeBind(host, host.writeFile), cancellationToken, emitOnlyDtsFiles || emitKind === 0 /* BuilderFileEmit.DtsOnly */, customTransformers), affected, emitKind, isPendingEmitFile); + } + function getWriteFileUpdatingSignatureCallback(writeFile) { + return function (fileName, text, writeByteOrderMark, onError, sourceFiles, data) { + var _a; + if (ts.isDeclarationFileName(fileName)) { + ts.Debug.assert((sourceFiles === null || sourceFiles === void 0 ? void 0 : sourceFiles.length) === 1); + var file = sourceFiles[0]; + var info = state.fileInfos.get(file.resolvedPath); + var signature = ((_a = state.currentAffectedFilesSignatures) === null || _a === void 0 ? void 0 : _a.get(file.resolvedPath)) || info.signature; + if (signature === file.version) { + var newSignature = (computeHash || ts.generateDjb2Hash)((data === null || data === void 0 ? void 0 : data.sourceMapUrlPos) !== undefined ? text.substring(0, data.sourceMapUrlPos) : text); + if (newSignature !== file.version) { // Update it + if (host.storeFilesChangingSignatureDuringEmit) + (state.filesChangingSignature || (state.filesChangingSignature = new ts.Set())).add(file.resolvedPath); + if (state.exportedModulesMap) + ts.BuilderState.updateExportedModules(file, file.exportedModulesFromDeclarationEmit, state.currentAffectedFilesExportedModulesMap || (state.currentAffectedFilesExportedModulesMap = ts.BuilderState.createManyToManyPathMap())); + if (state.affectedFiles && state.affectedFilesIndex < state.affectedFiles.length) { + state.currentAffectedFilesSignatures.set(file.resolvedPath, newSignature); + } + else { + info.signature = newSignature; + if (state.exportedModulesMap) + ts.BuilderState.updateExportedFilesMapFromCache(state, state.currentAffectedFilesExportedModulesMap); + } + } + } + } + if (writeFile) + writeFile(fileName, text, writeByteOrderMark, onError, sourceFiles, data); + else if (host.writeFile) + host.writeFile(fileName, text, writeByteOrderMark, onError, sourceFiles, data); + else + state.program.writeFile(fileName, text, writeByteOrderMark, onError, sourceFiles, data); + }; + } + /** + * Emits the JavaScript and declaration files. + * When targetSource file is specified, emits the files corresponding to that source file, + * otherwise for the whole program. + * In case of EmitAndSemanticDiagnosticsBuilderProgram, when targetSourceFile is specified, + * it is assumed that that file is handled from affected file list. If targetSourceFile is not specified, + * it will only emit all the affected files instead of whole program + * + * The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host + * in that order would be used to write the files + */ + function emit(targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) { + var _a; + if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram) { + assertSourceFileOkWithoutNextAffectedCall(state, targetSourceFile); + } + var result = ts.handleNoEmitOptions(builderProgram, targetSourceFile, writeFile, cancellationToken); + if (result) + return result; + // Emit only affected files if using builder for emit + if (!targetSourceFile) { + if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram) { + // Emit and report any errors we ran into. + var sourceMaps = []; + var emitSkipped = false; + var diagnostics = void 0; + var emittedFiles = []; + var affectedEmitResult = void 0; + while (affectedEmitResult = emitNextAffectedFile(writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers)) { + emitSkipped = emitSkipped || affectedEmitResult.result.emitSkipped; + diagnostics = ts.addRange(diagnostics, affectedEmitResult.result.diagnostics); + emittedFiles = ts.addRange(emittedFiles, affectedEmitResult.result.emittedFiles); + sourceMaps = ts.addRange(sourceMaps, affectedEmitResult.result.sourceMaps); + } + return { + emitSkipped: emitSkipped, + diagnostics: diagnostics || ts.emptyArray, + emittedFiles: emittedFiles, + sourceMaps: sourceMaps + }; + } + // In non Emit builder, clear affected files pending emit + else if ((_a = state.affectedFilesPendingEmitKind) === null || _a === void 0 ? void 0 : _a.size) { + ts.Debug.assert(kind === BuilderProgramKind.SemanticDiagnosticsBuilderProgram); + // State can clear affected files pending emit if + if (!emitOnlyDtsFiles // If we are doing complete emit, affected files pending emit can be cleared + // If every file pending emit is pending on only dts emit + || ts.every(state.affectedFilesPendingEmit, function (path, index) { + return index < state.affectedFilesPendingEmitIndex || + state.affectedFilesPendingEmitKind.get(path) === 0 /* BuilderFileEmit.DtsOnly */; + })) { + clearAffectedFilesPendingEmit(state); + } + } + } + return ts.Debug.checkDefined(state.program).emit(targetSourceFile, !ts.outFile(state.compilerOptions) && ts.getEmitDeclarations(state.compilerOptions) && !customTransformers ? + getWriteFileUpdatingSignatureCallback(writeFile) : + writeFile || ts.maybeBind(host, host.writeFile), cancellationToken, emitOnlyDtsFiles, customTransformers); + } + /** + * Return the semantic diagnostics for the next affected file or undefined if iteration is complete + * If provided ignoreSourceFile would be called before getting the diagnostics and would ignore the sourceFile if the returned value was true + */ + function getSemanticDiagnosticsOfNextAffectedFile(cancellationToken, ignoreSourceFile) { + while (true) { + var affected = getNextAffectedFile(state, cancellationToken, computeHash, host); + if (!affected) { + // Done + return undefined; + } + else if (affected === state.program) { + // When whole program is affected, get all semantic diagnostics (eg when --out or --outFile is specified) + return toAffectedFileResult(state, state.program.getSemanticDiagnostics(/*targetSourceFile*/ undefined, cancellationToken), affected); + } + // Add file to affected file pending emit to handle for later emit time + // Apart for emit builder do this for tsbuildinfo, do this for non emit builder when noEmit is set as tsbuildinfo is written and reused between emitters + if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram || state.compilerOptions.noEmit || state.compilerOptions.noEmitOnError) { + addToAffectedFilesPendingEmit(state, affected.resolvedPath, 1 /* BuilderFileEmit.Full */); + } + // Get diagnostics for the affected file if its not ignored + if (ignoreSourceFile && ignoreSourceFile(affected)) { + // Get next affected file + doneWithAffectedFile(state, affected); + continue; + } + return toAffectedFileResult(state, getSemanticDiagnosticsOfFile(state, affected, cancellationToken), affected); + } + } + /** + * Gets the semantic diagnostics from the program corresponding to this state of file (if provided) or whole program + * The semantic diagnostics are cached and managed here + * Note that it is assumed that when asked about semantic diagnostics through this API, + * the file has been taken out of affected files so it is safe to use cache or get from program and cache the diagnostics + * In case of SemanticDiagnosticsBuilderProgram if the source file is not provided, + * it will iterate through all the affected files, to ensure that cache stays valid and yet provide a way to get all semantic diagnostics + */ + function getSemanticDiagnostics(sourceFile, cancellationToken) { + assertSourceFileOkWithoutNextAffectedCall(state, sourceFile); + var compilerOptions = ts.Debug.checkDefined(state.program).getCompilerOptions(); + if (ts.outFile(compilerOptions)) { + ts.Debug.assert(!state.semanticDiagnosticsPerFile); + // We dont need to cache the diagnostics just return them from program + return ts.Debug.checkDefined(state.program).getSemanticDiagnostics(sourceFile, cancellationToken); + } + if (sourceFile) { + return getSemanticDiagnosticsOfFile(state, sourceFile, cancellationToken); + } + // When semantic builder asks for diagnostics of the whole program, + // ensure that all the affected files are handled + // eslint-disable-next-line no-empty + while (getSemanticDiagnosticsOfNextAffectedFile(cancellationToken)) { + } + var diagnostics; + for (var _i = 0, _a = ts.Debug.checkDefined(state.program).getSourceFiles(); _i < _a.length; _i++) { + var sourceFile_1 = _a[_i]; + diagnostics = ts.addRange(diagnostics, getSemanticDiagnosticsOfFile(state, sourceFile_1, cancellationToken)); + } + return diagnostics || ts.emptyArray; + } + } + ts.createBuilderProgram = createBuilderProgram; + function addToAffectedFilesPendingEmit(state, affectedFilePendingEmit, kind) { + if (!state.affectedFilesPendingEmit) + state.affectedFilesPendingEmit = []; + if (!state.affectedFilesPendingEmitKind) + state.affectedFilesPendingEmitKind = new ts.Map(); + var existingKind = state.affectedFilesPendingEmitKind.get(affectedFilePendingEmit); + state.affectedFilesPendingEmit.push(affectedFilePendingEmit); + state.affectedFilesPendingEmitKind.set(affectedFilePendingEmit, existingKind || kind); + // affectedFilesPendingEmitIndex === undefined + // - means the emit state.affectedFilesPendingEmit was undefined before adding current affected files + // so start from 0 as array would be affectedFilesPendingEmit + // else, continue to iterate from existing index, the current set is appended to existing files + if (state.affectedFilesPendingEmitIndex === undefined) { + state.affectedFilesPendingEmitIndex = 0; + } + } + function toBuilderStateFileInfo(fileInfo) { + return ts.isString(fileInfo) ? + { version: fileInfo, signature: fileInfo, affectsGlobalScope: undefined, impliedFormat: undefined } : + ts.isString(fileInfo.signature) ? + fileInfo : + { version: fileInfo.version, signature: fileInfo.signature === false ? undefined : fileInfo.version, affectsGlobalScope: fileInfo.affectsGlobalScope, impliedFormat: fileInfo.impliedFormat }; + } + ts.toBuilderStateFileInfo = toBuilderStateFileInfo; + function createBuildProgramUsingProgramBuildInfo(program, buildInfoPath, host) { + var _a; + var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(buildInfoPath, host.getCurrentDirectory())); + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames()); + var filePaths = program.fileNames.map(toPath); + var filePathsSetList = (_a = program.fileIdsList) === null || _a === void 0 ? void 0 : _a.map(function (fileIds) { return new ts.Set(fileIds.map(toFilePath)); }); + var fileInfos = new ts.Map(); + program.fileInfos.forEach(function (fileInfo, index) { return fileInfos.set(toFilePath(index + 1), toBuilderStateFileInfo(fileInfo)); }); + var state = { + fileInfos: fileInfos, + compilerOptions: program.options ? ts.convertToOptionsWithAbsolutePaths(program.options, toAbsolutePath) : {}, + referencedMap: toManyToManyPathMap(program.referencedMap), + exportedModulesMap: toManyToManyPathMap(program.exportedModulesMap), + semanticDiagnosticsPerFile: program.semanticDiagnosticsPerFile && ts.arrayToMap(program.semanticDiagnosticsPerFile, function (value) { return toFilePath(ts.isNumber(value) ? value : value[0]); }, function (value) { return ts.isNumber(value) ? ts.emptyArray : value[1]; }), + hasReusableDiagnostic: true, + affectedFilesPendingEmit: ts.map(program.affectedFilesPendingEmit, function (value) { return toFilePath(value[0]); }), + affectedFilesPendingEmitKind: program.affectedFilesPendingEmit && ts.arrayToMap(program.affectedFilesPendingEmit, function (value) { return toFilePath(value[0]); }, function (value) { return value[1]; }), + affectedFilesPendingEmitIndex: program.affectedFilesPendingEmit && 0, + }; + return { + getState: function () { return state; }, + backupState: ts.noop, + restoreState: ts.noop, + getProgram: ts.notImplemented, + getProgramOrUndefined: ts.returnUndefined, + releaseProgram: ts.noop, + getCompilerOptions: function () { return state.compilerOptions; }, + getSourceFile: ts.notImplemented, + getSourceFiles: ts.notImplemented, + getOptionsDiagnostics: ts.notImplemented, + getGlobalDiagnostics: ts.notImplemented, + getConfigFileParsingDiagnostics: ts.notImplemented, + getSyntacticDiagnostics: ts.notImplemented, + getDeclarationDiagnostics: ts.notImplemented, + getSemanticDiagnostics: ts.notImplemented, + emit: ts.notImplemented, + getAllDependencies: ts.notImplemented, + getCurrentDirectory: ts.notImplemented, + emitNextAffectedFile: ts.notImplemented, + getSemanticDiagnosticsOfNextAffectedFile: ts.notImplemented, + emitBuildInfo: ts.notImplemented, + close: ts.noop, + }; + function toPath(path) { + return ts.toPath(path, buildInfoDirectory, getCanonicalFileName); + } + function toAbsolutePath(path) { + return ts.getNormalizedAbsolutePath(path, buildInfoDirectory); + } + function toFilePath(fileId) { + return filePaths[fileId - 1]; + } + function toFilePathsSet(fileIdsListId) { + return filePathsSetList[fileIdsListId - 1]; + } + function toManyToManyPathMap(referenceMap) { + if (!referenceMap) { + return undefined; + } + var map = ts.BuilderState.createManyToManyPathMap(); + referenceMap.forEach(function (_a) { + var fileId = _a[0], fileIdListId = _a[1]; + return map.set(toFilePath(fileId), toFilePathsSet(fileIdListId)); + }); + return map; + } + } + ts.createBuildProgramUsingProgramBuildInfo = createBuildProgramUsingProgramBuildInfo; + function createRedirectedBuilderProgram(getState, configFileParsingDiagnostics) { + return { + getState: ts.notImplemented, + backupState: ts.noop, + restoreState: ts.noop, + getProgram: getProgram, + getProgramOrUndefined: function () { return getState().program; }, + releaseProgram: function () { return getState().program = undefined; }, + getCompilerOptions: function () { return getState().compilerOptions; }, + getSourceFile: function (fileName) { return getProgram().getSourceFile(fileName); }, + getSourceFiles: function () { return getProgram().getSourceFiles(); }, + getOptionsDiagnostics: function (cancellationToken) { return getProgram().getOptionsDiagnostics(cancellationToken); }, + getGlobalDiagnostics: function (cancellationToken) { return getProgram().getGlobalDiagnostics(cancellationToken); }, + getConfigFileParsingDiagnostics: function () { return configFileParsingDiagnostics; }, + getSyntacticDiagnostics: function (sourceFile, cancellationToken) { return getProgram().getSyntacticDiagnostics(sourceFile, cancellationToken); }, + getDeclarationDiagnostics: function (sourceFile, cancellationToken) { return getProgram().getDeclarationDiagnostics(sourceFile, cancellationToken); }, + getSemanticDiagnostics: function (sourceFile, cancellationToken) { return getProgram().getSemanticDiagnostics(sourceFile, cancellationToken); }, + emit: function (sourceFile, writeFile, cancellationToken, emitOnlyDts, customTransformers) { return getProgram().emit(sourceFile, writeFile, cancellationToken, emitOnlyDts, customTransformers); }, + emitBuildInfo: function (writeFile, cancellationToken) { return getProgram().emitBuildInfo(writeFile, cancellationToken); }, + getAllDependencies: ts.notImplemented, + getCurrentDirectory: function () { return getProgram().getCurrentDirectory(); }, + close: ts.noop, + }; + function getProgram() { + return ts.Debug.checkDefined(getState().program); + } + } + ts.createRedirectedBuilderProgram = createRedirectedBuilderProgram; +})(ts || (ts = {})); +var ts; +(function (ts) { + function createSemanticDiagnosticsBuilderProgram(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) { + return ts.createBuilderProgram(ts.BuilderProgramKind.SemanticDiagnosticsBuilderProgram, ts.getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences)); + } + ts.createSemanticDiagnosticsBuilderProgram = createSemanticDiagnosticsBuilderProgram; + function createEmitAndSemanticDiagnosticsBuilderProgram(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) { + return ts.createBuilderProgram(ts.BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram, ts.getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences)); + } + ts.createEmitAndSemanticDiagnosticsBuilderProgram = createEmitAndSemanticDiagnosticsBuilderProgram; + function createAbstractBuilder(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) { + var _a = ts.getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences), newProgram = _a.newProgram, newConfigFileParsingDiagnostics = _a.configFileParsingDiagnostics; + return ts.createRedirectedBuilderProgram(function () { return ({ program: newProgram, compilerOptions: newProgram.getCompilerOptions() }); }, newConfigFileParsingDiagnostics); + } + ts.createAbstractBuilder = createAbstractBuilder; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + function removeIgnoredPath(path) { + // Consider whole staging folder as if node_modules changed. + if (ts.endsWith(path, "/node_modules/.staging")) { + return ts.removeSuffix(path, "/.staging"); + } + return ts.some(ts.ignoredPaths, function (searchPath) { return ts.stringContains(path, searchPath); }) ? + undefined : + path; + } + ts.removeIgnoredPath = removeIgnoredPath; + /** + * Filter out paths like + * "/", "/user", "/user/username", "/user/username/folderAtRoot", + * "c:/", "c:/users", "c:/users/username", "c:/users/username/folderAtRoot", "c:/folderAtRoot" + * @param dirPath + */ + function canWatchDirectory(dirPath) { + var rootLength = ts.getRootLength(dirPath); + if (dirPath.length === rootLength) { + // Ignore "/", "c:/" + return false; + } + var nextDirectorySeparator = dirPath.indexOf(ts.directorySeparator, rootLength); + if (nextDirectorySeparator === -1) { + // ignore "/user", "c:/users" or "c:/folderAtRoot" + return false; + } + var pathPartForUserCheck = dirPath.substring(rootLength, nextDirectorySeparator + 1); + var isNonDirectorySeparatorRoot = rootLength > 1 || dirPath.charCodeAt(0) !== 47 /* CharacterCodes.slash */; + if (isNonDirectorySeparatorRoot && + dirPath.search(/[a-zA-Z]:/) !== 0 && // Non dos style paths + pathPartForUserCheck.search(/[a-zA-z]\$\//) === 0) { // Dos style nextPart + nextDirectorySeparator = dirPath.indexOf(ts.directorySeparator, nextDirectorySeparator + 1); + if (nextDirectorySeparator === -1) { + // ignore "//vda1cs4850/c$/folderAtRoot" + return false; + } + pathPartForUserCheck = dirPath.substring(rootLength + pathPartForUserCheck.length, nextDirectorySeparator + 1); + } + if (isNonDirectorySeparatorRoot && + pathPartForUserCheck.search(/users\//i) !== 0) { + // Paths like c:/folderAtRoot/subFolder are allowed + return true; + } + for (var searchIndex = nextDirectorySeparator + 1, searchLevels = 2; searchLevels > 0; searchLevels--) { + searchIndex = dirPath.indexOf(ts.directorySeparator, searchIndex) + 1; + if (searchIndex === 0) { + // Folder isnt at expected minimum levels + return false; + } + } + return true; + } + ts.canWatchDirectory = canWatchDirectory; + function createResolutionCache(resolutionHost, rootDirForResolution, logChangesWhenResolvingModule) { + var filesWithChangedSetOfUnresolvedImports; + var filesWithInvalidatedResolutions; + var filesWithInvalidatedNonRelativeUnresolvedImports; + var nonRelativeExternalModuleResolutions = ts.createMultiMap(); + var resolutionsWithFailedLookups = []; + var resolvedFileToResolution = ts.createMultiMap(); + var hasChangedAutomaticTypeDirectiveNames = false; + var failedLookupChecks; + var startsWithPathChecks; + var isInDirectoryChecks; + var getCurrentDirectory = ts.memoize(function () { return resolutionHost.getCurrentDirectory(); }); // TODO: GH#18217 + var cachedDirectoryStructureHost = resolutionHost.getCachedDirectoryStructureHost(); + // The resolvedModuleNames and resolvedTypeReferenceDirectives are the cache of resolutions per file. + // The key in the map is source file's path. + // The values are Map of resolutions with key being name lookedup. + var resolvedModuleNames = new ts.Map(); + var perDirectoryResolvedModuleNames = ts.createCacheWithRedirects(); + var nonRelativeModuleNameCache = ts.createCacheWithRedirects(); + var moduleResolutionCache = ts.createModuleResolutionCache(getCurrentDirectory(), resolutionHost.getCanonicalFileName, + /*options*/ undefined, perDirectoryResolvedModuleNames, nonRelativeModuleNameCache); + var resolvedTypeReferenceDirectives = new ts.Map(); + var perDirectoryResolvedTypeReferenceDirectives = ts.createCacheWithRedirects(); + var typeReferenceDirectiveResolutionCache = ts.createTypeReferenceDirectiveResolutionCache(getCurrentDirectory(), resolutionHost.getCanonicalFileName, + /*options*/ undefined, moduleResolutionCache.getPackageJsonInfoCache(), perDirectoryResolvedTypeReferenceDirectives); + /** + * These are the extensions that failed lookup files will have by default, + * any other extension of failed lookup will be store that path in custom failed lookup path + * This helps in not having to comb through all resolutions when files are added/removed + * Note that .d.ts file also has .d.ts extension hence will be part of default extensions + */ + var failedLookupDefaultExtensions = [".ts" /* Extension.Ts */, ".tsx" /* Extension.Tsx */, ".js" /* Extension.Js */, ".jsx" /* Extension.Jsx */, ".json" /* Extension.Json */]; + var customFailedLookupPaths = new ts.Map(); + var directoryWatchesOfFailedLookups = new ts.Map(); + var rootDir = rootDirForResolution && ts.removeTrailingDirectorySeparator(ts.getNormalizedAbsolutePath(rootDirForResolution, getCurrentDirectory())); + var rootPath = (rootDir && resolutionHost.toPath(rootDir)); // TODO: GH#18217 + var rootSplitLength = rootPath !== undefined ? rootPath.split(ts.directorySeparator).length : 0; + // TypeRoot watches for the types that get added as part of getAutomaticTypeDirectiveNames + var typeRootsWatches = new ts.Map(); + return { + getModuleResolutionCache: function () { return moduleResolutionCache; }, + startRecordingFilesWithChangedResolutions: startRecordingFilesWithChangedResolutions, + finishRecordingFilesWithChangedResolutions: finishRecordingFilesWithChangedResolutions, + // perDirectoryResolvedModuleNames and perDirectoryResolvedTypeReferenceDirectives could be non empty if there was exception during program update + // (between startCachingPerDirectoryResolution and finishCachingPerDirectoryResolution) + startCachingPerDirectoryResolution: clearPerDirectoryResolutions, + finishCachingPerDirectoryResolution: finishCachingPerDirectoryResolution, + resolveModuleNames: resolveModuleNames, + getResolvedModuleWithFailedLookupLocationsFromCache: getResolvedModuleWithFailedLookupLocationsFromCache, + resolveTypeReferenceDirectives: resolveTypeReferenceDirectives, + removeResolutionsFromProjectReferenceRedirects: removeResolutionsFromProjectReferenceRedirects, + removeResolutionsOfFile: removeResolutionsOfFile, + hasChangedAutomaticTypeDirectiveNames: function () { return hasChangedAutomaticTypeDirectiveNames; }, + invalidateResolutionOfFile: invalidateResolutionOfFile, + invalidateResolutionsOfFailedLookupLocations: invalidateResolutionsOfFailedLookupLocations, + setFilesWithInvalidatedNonRelativeUnresolvedImports: setFilesWithInvalidatedNonRelativeUnresolvedImports, + createHasInvalidatedResolution: createHasInvalidatedResolution, + isFileWithInvalidatedNonRelativeUnresolvedImports: isFileWithInvalidatedNonRelativeUnresolvedImports, + updateTypeRootsWatch: updateTypeRootsWatch, + closeTypeRootsWatch: closeTypeRootsWatch, + clear: clear + }; + function getResolvedModule(resolution) { + return resolution.resolvedModule; + } + function getResolvedTypeReferenceDirective(resolution) { + return resolution.resolvedTypeReferenceDirective; + } + function isInDirectoryPath(dir, file) { + if (dir === undefined || file.length <= dir.length) { + return false; + } + return ts.startsWith(file, dir) && file[dir.length] === ts.directorySeparator; + } + function clear() { + ts.clearMap(directoryWatchesOfFailedLookups, ts.closeFileWatcherOf); + customFailedLookupPaths.clear(); + nonRelativeExternalModuleResolutions.clear(); + closeTypeRootsWatch(); + resolvedModuleNames.clear(); + resolvedTypeReferenceDirectives.clear(); + resolvedFileToResolution.clear(); + resolutionsWithFailedLookups.length = 0; + failedLookupChecks = undefined; + startsWithPathChecks = undefined; + isInDirectoryChecks = undefined; + // perDirectoryResolvedModuleNames and perDirectoryResolvedTypeReferenceDirectives could be non empty if there was exception during program update + // (between startCachingPerDirectoryResolution and finishCachingPerDirectoryResolution) + clearPerDirectoryResolutions(); + hasChangedAutomaticTypeDirectiveNames = false; + } + function startRecordingFilesWithChangedResolutions() { + filesWithChangedSetOfUnresolvedImports = []; + } + function finishRecordingFilesWithChangedResolutions() { + var collected = filesWithChangedSetOfUnresolvedImports; + filesWithChangedSetOfUnresolvedImports = undefined; + return collected; + } + function isFileWithInvalidatedNonRelativeUnresolvedImports(path) { + if (!filesWithInvalidatedNonRelativeUnresolvedImports) { + return false; + } + // Invalidated if file has unresolved imports + var value = filesWithInvalidatedNonRelativeUnresolvedImports.get(path); + return !!value && !!value.length; + } + function createHasInvalidatedResolution(forceAllFilesAsInvalidated) { + // Ensure pending resolutions are applied + invalidateResolutionsOfFailedLookupLocations(); + if (forceAllFilesAsInvalidated) { + // Any file asked would have invalidated resolution + filesWithInvalidatedResolutions = undefined; + return ts.returnTrue; + } + var collected = filesWithInvalidatedResolutions; + filesWithInvalidatedResolutions = undefined; + return function (path) { return (!!collected && collected.has(path)) || + isFileWithInvalidatedNonRelativeUnresolvedImports(path); }; + } + function clearPerDirectoryResolutions() { + moduleResolutionCache.clear(); + typeReferenceDirectiveResolutionCache.clear(); + nonRelativeExternalModuleResolutions.forEach(watchFailedLookupLocationOfNonRelativeModuleResolutions); + nonRelativeExternalModuleResolutions.clear(); + } + function finishCachingPerDirectoryResolution() { + filesWithInvalidatedNonRelativeUnresolvedImports = undefined; + clearPerDirectoryResolutions(); + directoryWatchesOfFailedLookups.forEach(function (watcher, path) { + if (watcher.refCount === 0) { + directoryWatchesOfFailedLookups.delete(path); + watcher.watcher.close(); + } + }); + hasChangedAutomaticTypeDirectiveNames = false; + } + function resolveModuleName(moduleName, containingFile, compilerOptions, host, redirectedReference, _containingSourceFile, mode) { + var _a; + var primaryResult = ts.resolveModuleName(moduleName, containingFile, compilerOptions, host, moduleResolutionCache, redirectedReference, mode); + // return result immediately only if global cache support is not enabled or if it is .ts, .tsx or .d.ts + if (!resolutionHost.getGlobalCache) { + return primaryResult; + } + // otherwise try to load typings from @types + var globalCache = resolutionHost.getGlobalCache(); + if (globalCache !== undefined && !ts.isExternalModuleNameRelative(moduleName) && !(primaryResult.resolvedModule && ts.extensionIsTS(primaryResult.resolvedModule.extension))) { + // create different collection of failed lookup locations for second pass + // if it will fail and we've already found something during the first pass - we don't want to pollute its results + var _b = ts.loadModuleFromGlobalCache(ts.Debug.checkDefined(resolutionHost.globalCacheResolutionModuleName)(moduleName), resolutionHost.projectName, compilerOptions, host, globalCache, moduleResolutionCache), resolvedModule = _b.resolvedModule, failedLookupLocations = _b.failedLookupLocations; + if (resolvedModule) { + // Modify existing resolution so its saved in the directory cache as well + primaryResult.resolvedModule = resolvedModule; + (_a = primaryResult.failedLookupLocations).push.apply(_a, failedLookupLocations); + return primaryResult; + } + } + // Default return the result from the first pass + return primaryResult; + } + function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host, redirectedReference, _containingSourceFile, resolutionMode) { + return ts.resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host, redirectedReference, typeReferenceDirectiveResolutionCache, resolutionMode); + } + function resolveNamesWithLocalCache(_a) { + var _b, _c, _d; + var names = _a.names, containingFile = _a.containingFile, redirectedReference = _a.redirectedReference, cache = _a.cache, perDirectoryCacheWithRedirects = _a.perDirectoryCacheWithRedirects, loader = _a.loader, getResolutionWithResolvedFileName = _a.getResolutionWithResolvedFileName, shouldRetryResolution = _a.shouldRetryResolution, reusedNames = _a.reusedNames, logChanges = _a.logChanges, containingSourceFile = _a.containingSourceFile, containingSourceFileMode = _a.containingSourceFileMode; + var path = resolutionHost.toPath(containingFile); + var resolutionsInFile = cache.get(path) || cache.set(path, ts.createModeAwareCache()).get(path); + var dirPath = ts.getDirectoryPath(path); + var perDirectoryCache = perDirectoryCacheWithRedirects.getOrCreateMapOfCacheRedirects(redirectedReference); + var perDirectoryResolution = perDirectoryCache.get(dirPath); + if (!perDirectoryResolution) { + perDirectoryResolution = ts.createModeAwareCache(); + perDirectoryCache.set(dirPath, perDirectoryResolution); + } + var resolvedModules = []; + var compilerOptions = resolutionHost.getCompilationSettings(); + var hasInvalidatedNonRelativeUnresolvedImport = logChanges && isFileWithInvalidatedNonRelativeUnresolvedImports(path); + // All the resolutions in this file are invalidated if this file wasn't resolved using same redirect + var program = resolutionHost.getCurrentProgram(); + var oldRedirect = program && program.getResolvedProjectReferenceToRedirect(containingFile); + var unmatchedRedirects = oldRedirect ? + !redirectedReference || redirectedReference.sourceFile.path !== oldRedirect.sourceFile.path : + !!redirectedReference; + var seenNamesInFile = ts.createModeAwareCache(); + var i = 0; + for (var _i = 0, names_5 = names; _i < names_5.length; _i++) { + var entry = names_5[_i]; + var name = ts.isString(entry) ? entry : entry.fileName.toLowerCase(); + // Imports supply a `containingSourceFile` but no `containingSourceFileMode` - it would be redundant + // they require calculating the mode for a given import from it's position in the resolution table, since a given + // import's syntax may override the file's default mode. + // Type references instead supply a `containingSourceFileMode` and a non-string entry which contains + // a default file mode override if applicable. + var mode = !ts.isString(entry) ? ts.getModeForFileReference(entry, containingSourceFileMode) : + containingSourceFile ? ts.getModeForResolutionAtIndex(containingSourceFile, i) : undefined; + i++; + var resolution = resolutionsInFile.get(name, mode); + // Resolution is valid if it is present and not invalidated + if (!seenNamesInFile.has(name, mode) && + unmatchedRedirects || !resolution || resolution.isInvalidated || + // If the name is unresolved import that was invalidated, recalculate + (hasInvalidatedNonRelativeUnresolvedImport && !ts.isExternalModuleNameRelative(name) && shouldRetryResolution(resolution))) { + var existingResolution = resolution; + var resolutionInDirectory = perDirectoryResolution.get(name, mode); + if (resolutionInDirectory) { + resolution = resolutionInDirectory; + var host = ((_b = resolutionHost.getCompilerHost) === null || _b === void 0 ? void 0 : _b.call(resolutionHost)) || resolutionHost; + if (ts.isTraceEnabled(compilerOptions, host)) { + var resolved = getResolutionWithResolvedFileName(resolution); + ts.trace(host, loader === resolveModuleName ? + (resolved === null || resolved === void 0 ? void 0 : resolved.resolvedFileName) ? + resolved.packagetId ? + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3_with_Package_ID_4 : + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3 : + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_found_in_cache_from_location_2_it_was_not_resolved : + (resolved === null || resolved === void 0 ? void 0 : resolved.resolvedFileName) ? + resolved.packagetId ? + ts.Diagnostics.Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3_with_Package_ID_4 : + ts.Diagnostics.Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_successfully_resolved_to_3 : + ts.Diagnostics.Reusing_resolution_of_type_reference_directive_0_from_1_found_in_cache_from_location_2_it_was_not_resolved, name, containingFile, ts.getDirectoryPath(containingFile), resolved === null || resolved === void 0 ? void 0 : resolved.resolvedFileName, (resolved === null || resolved === void 0 ? void 0 : resolved.packagetId) && ts.packageIdToString(resolved.packagetId)); + } + } + else { + resolution = loader(name, containingFile, compilerOptions, ((_c = resolutionHost.getCompilerHost) === null || _c === void 0 ? void 0 : _c.call(resolutionHost)) || resolutionHost, redirectedReference, containingSourceFile, mode); + perDirectoryResolution.set(name, mode, resolution); + if (resolutionHost.onDiscoveredSymlink && resolutionIsSymlink(resolution)) { + resolutionHost.onDiscoveredSymlink(); + } + } + resolutionsInFile.set(name, mode, resolution); + watchFailedLookupLocationsOfExternalModuleResolutions(name, resolution, path, getResolutionWithResolvedFileName); + if (existingResolution) { + stopWatchFailedLookupLocationOfResolution(existingResolution, path, getResolutionWithResolvedFileName); + } + if (logChanges && filesWithChangedSetOfUnresolvedImports && !resolutionIsEqualTo(existingResolution, resolution)) { + filesWithChangedSetOfUnresolvedImports.push(path); + // reset log changes to avoid recording the same file multiple times + logChanges = false; + } + } + else { + var host = ((_d = resolutionHost.getCompilerHost) === null || _d === void 0 ? void 0 : _d.call(resolutionHost)) || resolutionHost; + if (ts.isTraceEnabled(compilerOptions, host) && !seenNamesInFile.has(name, mode)) { + var resolved = getResolutionWithResolvedFileName(resolution); + ts.trace(host, loader === resolveModuleName ? + (resolved === null || resolved === void 0 ? void 0 : resolved.resolvedFileName) ? + resolved.packagetId ? + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2_with_Package_ID_3 : + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_of_old_program_it_was_successfully_resolved_to_2 : + ts.Diagnostics.Reusing_resolution_of_module_0_from_1_of_old_program_it_was_not_resolved : + (resolved === null || resolved === void 0 ? void 0 : resolved.resolvedFileName) ? + resolved.packagetId ? + ts.Diagnostics.Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_successfully_resolved_to_2_with_Package_ID_3 : + ts.Diagnostics.Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_successfully_resolved_to_2 : + ts.Diagnostics.Reusing_resolution_of_type_reference_directive_0_from_1_of_old_program_it_was_not_resolved, name, containingFile, resolved === null || resolved === void 0 ? void 0 : resolved.resolvedFileName, (resolved === null || resolved === void 0 ? void 0 : resolved.packagetId) && ts.packageIdToString(resolved.packagetId)); + } + } + ts.Debug.assert(resolution !== undefined && !resolution.isInvalidated); + seenNamesInFile.set(name, mode, true); + resolvedModules.push(getResolutionWithResolvedFileName(resolution)); + } + // Stop watching and remove the unused name + resolutionsInFile.forEach(function (resolution, name, mode) { + if (!seenNamesInFile.has(name, mode) && !ts.contains(reusedNames, name)) { + stopWatchFailedLookupLocationOfResolution(resolution, path, getResolutionWithResolvedFileName); + resolutionsInFile.delete(name, mode); + } + }); + return resolvedModules; + function resolutionIsEqualTo(oldResolution, newResolution) { + if (oldResolution === newResolution) { + return true; + } + if (!oldResolution || !newResolution) { + return false; + } + var oldResult = getResolutionWithResolvedFileName(oldResolution); + var newResult = getResolutionWithResolvedFileName(newResolution); + if (oldResult === newResult) { + return true; + } + if (!oldResult || !newResult) { + return false; + } + return oldResult.resolvedFileName === newResult.resolvedFileName; + } + } + function resolveTypeReferenceDirectives(typeDirectiveNames, containingFile, redirectedReference, containingFileMode) { + return resolveNamesWithLocalCache({ + names: typeDirectiveNames, + containingFile: containingFile, + redirectedReference: redirectedReference, + cache: resolvedTypeReferenceDirectives, + perDirectoryCacheWithRedirects: perDirectoryResolvedTypeReferenceDirectives, + loader: resolveTypeReferenceDirective, + getResolutionWithResolvedFileName: getResolvedTypeReferenceDirective, + shouldRetryResolution: function (resolution) { return resolution.resolvedTypeReferenceDirective === undefined; }, + containingSourceFileMode: containingFileMode + }); + } + function resolveModuleNames(moduleNames, containingFile, reusedNames, redirectedReference, containingSourceFile) { + return resolveNamesWithLocalCache({ + names: moduleNames, + containingFile: containingFile, + redirectedReference: redirectedReference, + cache: resolvedModuleNames, + perDirectoryCacheWithRedirects: perDirectoryResolvedModuleNames, + loader: resolveModuleName, + getResolutionWithResolvedFileName: getResolvedModule, + shouldRetryResolution: function (resolution) { return !resolution.resolvedModule || !ts.resolutionExtensionIsTSOrJson(resolution.resolvedModule.extension); }, + reusedNames: reusedNames, + logChanges: logChangesWhenResolvingModule, + containingSourceFile: containingSourceFile, + }); + } + function getResolvedModuleWithFailedLookupLocationsFromCache(moduleName, containingFile, resolutionMode) { + var cache = resolvedModuleNames.get(resolutionHost.toPath(containingFile)); + if (!cache) + return undefined; + return cache.get(moduleName, resolutionMode); + } + function isNodeModulesAtTypesDirectory(dirPath) { + return ts.endsWith(dirPath, "/node_modules/@types"); + } + function getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath) { + if (isInDirectoryPath(rootPath, failedLookupLocationPath)) { + // Ensure failed look up is normalized path + failedLookupLocation = ts.isRootedDiskPath(failedLookupLocation) ? ts.normalizePath(failedLookupLocation) : ts.getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory()); + var failedLookupPathSplit = failedLookupLocationPath.split(ts.directorySeparator); + var failedLookupSplit = failedLookupLocation.split(ts.directorySeparator); + ts.Debug.assert(failedLookupSplit.length === failedLookupPathSplit.length, "FailedLookup: ".concat(failedLookupLocation, " failedLookupLocationPath: ").concat(failedLookupLocationPath)); + if (failedLookupPathSplit.length > rootSplitLength + 1) { + // Instead of watching root, watch directory in root to avoid watching excluded directories not needed for module resolution + return { + dir: failedLookupSplit.slice(0, rootSplitLength + 1).join(ts.directorySeparator), + dirPath: failedLookupPathSplit.slice(0, rootSplitLength + 1).join(ts.directorySeparator) + }; + } + else { + // Always watch root directory non recursively + return { + dir: rootDir, + dirPath: rootPath, + nonRecursive: false + }; + } + } + return getDirectoryToWatchFromFailedLookupLocationDirectory(ts.getDirectoryPath(ts.getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory())), ts.getDirectoryPath(failedLookupLocationPath)); + } + function getDirectoryToWatchFromFailedLookupLocationDirectory(dir, dirPath) { + // If directory path contains node module, get the most parent node_modules directory for watching + while (ts.pathContainsNodeModules(dirPath)) { + dir = ts.getDirectoryPath(dir); + dirPath = ts.getDirectoryPath(dirPath); + } + // If the directory is node_modules use it to watch, always watch it recursively + if (ts.isNodeModulesDirectory(dirPath)) { + return canWatchDirectory(ts.getDirectoryPath(dirPath)) ? { dir: dir, dirPath: dirPath } : undefined; + } + var nonRecursive = true; + // Use some ancestor of the root directory + var subDirectoryPath, subDirectory; + if (rootPath !== undefined) { + while (!isInDirectoryPath(dirPath, rootPath)) { + var parentPath = ts.getDirectoryPath(dirPath); + if (parentPath === dirPath) { + break; + } + nonRecursive = false; + subDirectoryPath = dirPath; + subDirectory = dir; + dirPath = parentPath; + dir = ts.getDirectoryPath(dir); + } + } + return canWatchDirectory(dirPath) ? { dir: subDirectory || dir, dirPath: subDirectoryPath || dirPath, nonRecursive: nonRecursive } : undefined; + } + function isPathWithDefaultFailedLookupExtension(path) { + return ts.fileExtensionIsOneOf(path, failedLookupDefaultExtensions); + } + function watchFailedLookupLocationsOfExternalModuleResolutions(name, resolution, filePath, getResolutionWithResolvedFileName) { + if (resolution.refCount) { + resolution.refCount++; + ts.Debug.assertIsDefined(resolution.files); + } + else { + resolution.refCount = 1; + ts.Debug.assert(ts.length(resolution.files) === 0); // This resolution shouldnt be referenced by any file yet + if (ts.isExternalModuleNameRelative(name)) { + watchFailedLookupLocationOfResolution(resolution); + } + else { + nonRelativeExternalModuleResolutions.add(name, resolution); + } + var resolved = getResolutionWithResolvedFileName(resolution); + if (resolved && resolved.resolvedFileName) { + resolvedFileToResolution.add(resolutionHost.toPath(resolved.resolvedFileName), resolution); + } + } + (resolution.files || (resolution.files = [])).push(filePath); + } + function watchFailedLookupLocationOfResolution(resolution) { + ts.Debug.assert(!!resolution.refCount); + var failedLookupLocations = resolution.failedLookupLocations; + if (!failedLookupLocations.length) + return; + resolutionsWithFailedLookups.push(resolution); + var setAtRoot = false; + for (var _i = 0, failedLookupLocations_1 = failedLookupLocations; _i < failedLookupLocations_1.length; _i++) { + var failedLookupLocation = failedLookupLocations_1[_i]; + var failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation); + var toWatch = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath); + if (toWatch) { + var dir = toWatch.dir, dirPath = toWatch.dirPath, nonRecursive = toWatch.nonRecursive; + // If the failed lookup location path is not one of the supported extensions, + // store it in the custom path + if (!isPathWithDefaultFailedLookupExtension(failedLookupLocationPath)) { + var refCount = customFailedLookupPaths.get(failedLookupLocationPath) || 0; + customFailedLookupPaths.set(failedLookupLocationPath, refCount + 1); + } + if (dirPath === rootPath) { + ts.Debug.assert(!nonRecursive); + setAtRoot = true; + } + else { + setDirectoryWatcher(dir, dirPath, nonRecursive); + } + } + } + if (setAtRoot) { + // This is always non recursive + setDirectoryWatcher(rootDir, rootPath, /*nonRecursive*/ true); // TODO: GH#18217 + } + } + function watchFailedLookupLocationOfNonRelativeModuleResolutions(resolutions, name) { + var program = resolutionHost.getCurrentProgram(); + if (!program || !program.getTypeChecker().tryFindAmbientModuleWithoutAugmentations(name)) { + resolutions.forEach(watchFailedLookupLocationOfResolution); + } + } + function setDirectoryWatcher(dir, dirPath, nonRecursive) { + var dirWatcher = directoryWatchesOfFailedLookups.get(dirPath); + if (dirWatcher) { + ts.Debug.assert(!!nonRecursive === !!dirWatcher.nonRecursive); + dirWatcher.refCount++; + } + else { + directoryWatchesOfFailedLookups.set(dirPath, { watcher: createDirectoryWatcher(dir, dirPath, nonRecursive), refCount: 1, nonRecursive: nonRecursive }); + } + } + function stopWatchFailedLookupLocationOfResolution(resolution, filePath, getResolutionWithResolvedFileName) { + ts.unorderedRemoveItem(ts.Debug.checkDefined(resolution.files), filePath); + resolution.refCount--; + if (resolution.refCount) { + return; + } + var resolved = getResolutionWithResolvedFileName(resolution); + if (resolved && resolved.resolvedFileName) { + resolvedFileToResolution.remove(resolutionHost.toPath(resolved.resolvedFileName), resolution); + } + if (!ts.unorderedRemoveItem(resolutionsWithFailedLookups, resolution)) { + // If not watching failed lookups, it wont be there in resolutionsWithFailedLookups + return; + } + var failedLookupLocations = resolution.failedLookupLocations; + var removeAtRoot = false; + for (var _i = 0, failedLookupLocations_2 = failedLookupLocations; _i < failedLookupLocations_2.length; _i++) { + var failedLookupLocation = failedLookupLocations_2[_i]; + var failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation); + var toWatch = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath); + if (toWatch) { + var dirPath = toWatch.dirPath; + var refCount = customFailedLookupPaths.get(failedLookupLocationPath); + if (refCount) { + if (refCount === 1) { + customFailedLookupPaths.delete(failedLookupLocationPath); + } + else { + ts.Debug.assert(refCount > 1); + customFailedLookupPaths.set(failedLookupLocationPath, refCount - 1); + } + } + if (dirPath === rootPath) { + removeAtRoot = true; + } + else { + removeDirectoryWatcher(dirPath); + } + } + } + if (removeAtRoot) { + removeDirectoryWatcher(rootPath); + } + } + function removeDirectoryWatcher(dirPath) { + var dirWatcher = directoryWatchesOfFailedLookups.get(dirPath); + // Do not close the watcher yet since it might be needed by other failed lookup locations. + dirWatcher.refCount--; + } + function createDirectoryWatcher(directory, dirPath, nonRecursive) { + return resolutionHost.watchDirectoryOfFailedLookupLocation(directory, function (fileOrDirectory) { + var fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory); + if (cachedDirectoryStructureHost) { + // Since the file existence changed, update the sourceFiles cache + cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath); + } + scheduleInvalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath); + }, nonRecursive ? 0 /* WatchDirectoryFlags.None */ : 1 /* WatchDirectoryFlags.Recursive */); + } + function removeResolutionsOfFileFromCache(cache, filePath, getResolutionWithResolvedFileName) { + // Deleted file, stop watching failed lookups for all the resolutions in the file + var resolutions = cache.get(filePath); + if (resolutions) { + resolutions.forEach(function (resolution) { return stopWatchFailedLookupLocationOfResolution(resolution, filePath, getResolutionWithResolvedFileName); }); + cache.delete(filePath); + } + } + function removeResolutionsFromProjectReferenceRedirects(filePath) { + if (!ts.fileExtensionIs(filePath, ".json" /* Extension.Json */)) + return; + var program = resolutionHost.getCurrentProgram(); + if (!program) + return; + // If this file is input file for the referenced project, get it + var resolvedProjectReference = program.getResolvedProjectReferenceByPath(filePath); + if (!resolvedProjectReference) + return; + // filePath is for the projectReference and the containing file is from this project reference, invalidate the resolution + resolvedProjectReference.commandLine.fileNames.forEach(function (f) { return removeResolutionsOfFile(resolutionHost.toPath(f)); }); + } + function removeResolutionsOfFile(filePath) { + removeResolutionsOfFileFromCache(resolvedModuleNames, filePath, getResolvedModule); + removeResolutionsOfFileFromCache(resolvedTypeReferenceDirectives, filePath, getResolvedTypeReferenceDirective); + } + function invalidateResolutions(resolutions, canInvalidate) { + if (!resolutions) + return false; + var invalidated = false; + for (var _i = 0, resolutions_1 = resolutions; _i < resolutions_1.length; _i++) { + var resolution = resolutions_1[_i]; + if (resolution.isInvalidated || !canInvalidate(resolution)) + continue; + resolution.isInvalidated = invalidated = true; + for (var _a = 0, _b = ts.Debug.checkDefined(resolution.files); _a < _b.length; _a++) { + var containingFilePath = _b[_a]; + (filesWithInvalidatedResolutions || (filesWithInvalidatedResolutions = new ts.Set())).add(containingFilePath); + // When its a file with inferred types resolution, invalidate type reference directive resolution + hasChangedAutomaticTypeDirectiveNames = hasChangedAutomaticTypeDirectiveNames || ts.endsWith(containingFilePath, ts.inferredTypesContainingFile); + } + } + return invalidated; + } + function invalidateResolutionOfFile(filePath) { + removeResolutionsOfFile(filePath); + // Resolution is invalidated if the resulting file name is same as the deleted file path + var prevHasChangedAutomaticTypeDirectiveNames = hasChangedAutomaticTypeDirectiveNames; + if (invalidateResolutions(resolvedFileToResolution.get(filePath), ts.returnTrue) && + hasChangedAutomaticTypeDirectiveNames && + !prevHasChangedAutomaticTypeDirectiveNames) { + resolutionHost.onChangedAutomaticTypeDirectiveNames(); + } + } + function setFilesWithInvalidatedNonRelativeUnresolvedImports(filesMap) { + ts.Debug.assert(filesWithInvalidatedNonRelativeUnresolvedImports === filesMap || filesWithInvalidatedNonRelativeUnresolvedImports === undefined); + filesWithInvalidatedNonRelativeUnresolvedImports = filesMap; + } + function scheduleInvalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, isCreatingWatchedDirectory) { + if (isCreatingWatchedDirectory) { + // Watching directory is created + // Invalidate any resolution has failed lookup in this directory + (isInDirectoryChecks || (isInDirectoryChecks = [])).push(fileOrDirectoryPath); + } + else { + // If something to do with folder/file starting with "." in node_modules folder, skip it + var updatedPath = removeIgnoredPath(fileOrDirectoryPath); + if (!updatedPath) + return false; + fileOrDirectoryPath = updatedPath; + // prevent saving an open file from over-eagerly triggering invalidation + if (resolutionHost.fileIsOpen(fileOrDirectoryPath)) { + return false; + } + // Some file or directory in the watching directory is created + // Return early if it does not have any of the watching extension or not the custom failed lookup path + var dirOfFileOrDirectory = ts.getDirectoryPath(fileOrDirectoryPath); + if (isNodeModulesAtTypesDirectory(fileOrDirectoryPath) || ts.isNodeModulesDirectory(fileOrDirectoryPath) || + isNodeModulesAtTypesDirectory(dirOfFileOrDirectory) || ts.isNodeModulesDirectory(dirOfFileOrDirectory)) { + // Invalidate any resolution from this directory + (failedLookupChecks || (failedLookupChecks = [])).push(fileOrDirectoryPath); + (startsWithPathChecks || (startsWithPathChecks = new ts.Set())).add(fileOrDirectoryPath); + } + else { + if (!isPathWithDefaultFailedLookupExtension(fileOrDirectoryPath) && !customFailedLookupPaths.has(fileOrDirectoryPath)) { + return false; + } + // Ignore emits from the program + if (ts.isEmittedFileOfProgram(resolutionHost.getCurrentProgram(), fileOrDirectoryPath)) { + return false; + } + // Resolution need to be invalidated if failed lookup location is same as the file or directory getting created + (failedLookupChecks || (failedLookupChecks = [])).push(fileOrDirectoryPath); + // If the invalidated file is from a node_modules package, invalidate everything else + // in the package since we might not get notifications for other files in the package. + // This hardens our logic against unreliable file watchers. + var packagePath = ts.parseNodeModuleFromPath(fileOrDirectoryPath); + if (packagePath) + (startsWithPathChecks || (startsWithPathChecks = new ts.Set())).add(packagePath); + } + } + resolutionHost.scheduleInvalidateResolutionsOfFailedLookupLocations(); + } + function invalidateResolutionsOfFailedLookupLocations() { + if (!failedLookupChecks && !startsWithPathChecks && !isInDirectoryChecks) { + return false; + } + var invalidated = invalidateResolutions(resolutionsWithFailedLookups, canInvalidateFailedLookupResolution); + failedLookupChecks = undefined; + startsWithPathChecks = undefined; + isInDirectoryChecks = undefined; + return invalidated; + } + function canInvalidateFailedLookupResolution(resolution) { + return resolution.failedLookupLocations.some(function (location) { + var locationPath = resolutionHost.toPath(location); + return ts.contains(failedLookupChecks, locationPath) || + ts.firstDefinedIterator((startsWithPathChecks === null || startsWithPathChecks === void 0 ? void 0 : startsWithPathChecks.keys()) || ts.emptyIterator, function (fileOrDirectoryPath) { return ts.startsWith(locationPath, fileOrDirectoryPath) ? true : undefined; }) || + (isInDirectoryChecks === null || isInDirectoryChecks === void 0 ? void 0 : isInDirectoryChecks.some(function (fileOrDirectoryPath) { return isInDirectoryPath(fileOrDirectoryPath, locationPath); })); + }); + } + function closeTypeRootsWatch() { + ts.clearMap(typeRootsWatches, ts.closeFileWatcher); + } + function getDirectoryToWatchFailedLookupLocationFromTypeRoot(typeRoot, typeRootPath) { + if (isInDirectoryPath(rootPath, typeRootPath)) { + return rootPath; + } + var toWatch = getDirectoryToWatchFromFailedLookupLocationDirectory(typeRoot, typeRootPath); + return toWatch && directoryWatchesOfFailedLookups.has(toWatch.dirPath) ? toWatch.dirPath : undefined; + } + function createTypeRootsWatch(typeRootPath, typeRoot) { + // Create new watch and recursive info + return resolutionHost.watchTypeRootsDirectory(typeRoot, function (fileOrDirectory) { + var fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory); + if (cachedDirectoryStructureHost) { + // Since the file existence changed, update the sourceFiles cache + cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath); + } + // For now just recompile + // We could potentially store more data here about whether it was/would be really be used or not + // and with that determine to trigger compilation but for now this is enough + hasChangedAutomaticTypeDirectiveNames = true; + resolutionHost.onChangedAutomaticTypeDirectiveNames(); + // Since directory watchers invoked are flaky, the failed lookup location events might not be triggered + // So handle to failed lookup locations here as well to ensure we are invalidating resolutions + var dirPath = getDirectoryToWatchFailedLookupLocationFromTypeRoot(typeRoot, typeRootPath); + if (dirPath) { + scheduleInvalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath); + } + }, 1 /* WatchDirectoryFlags.Recursive */); + } + /** + * Watches the types that would get added as part of getAutomaticTypeDirectiveNames + * To be called when compiler options change + */ + function updateTypeRootsWatch() { + var options = resolutionHost.getCompilationSettings(); + if (options.types) { + // No need to do any watch since resolution cache is going to handle the failed lookups + // for the types added by this + closeTypeRootsWatch(); + return; + } + // we need to assume the directories exist to ensure that we can get all the type root directories that get included + // But filter directories that are at root level to say directory doesnt exist, so that we arent watching them + var typeRoots = ts.getEffectiveTypeRoots(options, { directoryExists: directoryExistsForTypeRootWatch, getCurrentDirectory: getCurrentDirectory }); + if (typeRoots) { + ts.mutateMap(typeRootsWatches, ts.arrayToMap(typeRoots, function (tr) { return resolutionHost.toPath(tr); }), { + createNewValue: createTypeRootsWatch, + onDeleteValue: ts.closeFileWatcher + }); + } + else { + closeTypeRootsWatch(); + } + } + /** + * Use this function to return if directory exists to get type roots to watch + * If we return directory exists then only the paths will be added to type roots + * Hence return true for all directories except root directories which are filtered from watching + */ + function directoryExistsForTypeRootWatch(nodeTypesDirectory) { + var dir = ts.getDirectoryPath(ts.getDirectoryPath(nodeTypesDirectory)); + var dirPath = resolutionHost.toPath(dir); + return dirPath === rootPath || canWatchDirectory(dirPath); + } + } + ts.createResolutionCache = createResolutionCache; + function resolutionIsSymlink(resolution) { + var _a, _b; + return !!(((_a = resolution.resolvedModule) === null || _a === void 0 ? void 0 : _a.originalPath) || + ((_b = resolution.resolvedTypeReferenceDirective) === null || _b === void 0 ? void 0 : _b.originalPath)); + } +})(ts || (ts = {})); +// Used by importFixes, getEditsForFileRename, and declaration emit to synthesize import module specifiers. +/* @internal */ +var ts; +(function (ts) { + var moduleSpecifiers; + (function (moduleSpecifiers_1) { + var RelativePreference; + (function (RelativePreference) { + RelativePreference[RelativePreference["Relative"] = 0] = "Relative"; + RelativePreference[RelativePreference["NonRelative"] = 1] = "NonRelative"; + RelativePreference[RelativePreference["Shortest"] = 2] = "Shortest"; + RelativePreference[RelativePreference["ExternalNonRelative"] = 3] = "ExternalNonRelative"; + })(RelativePreference || (RelativePreference = {})); + // See UserPreferences#importPathEnding + var Ending; + (function (Ending) { + Ending[Ending["Minimal"] = 0] = "Minimal"; + Ending[Ending["Index"] = 1] = "Index"; + Ending[Ending["JsExtension"] = 2] = "JsExtension"; + })(Ending || (Ending = {})); + function getPreferences(host, _a, compilerOptions, importingSourceFile) { + var importModuleSpecifierPreference = _a.importModuleSpecifierPreference, importModuleSpecifierEnding = _a.importModuleSpecifierEnding; + return { + relativePreference: importModuleSpecifierPreference === "relative" ? 0 /* RelativePreference.Relative */ : + importModuleSpecifierPreference === "non-relative" ? 1 /* RelativePreference.NonRelative */ : + importModuleSpecifierPreference === "project-relative" ? 3 /* RelativePreference.ExternalNonRelative */ : + 2 /* RelativePreference.Shortest */, + ending: getEnding(), + }; + function getEnding() { + switch (importModuleSpecifierEnding) { + case "minimal": return 0 /* Ending.Minimal */; + case "index": return 1 /* Ending.Index */; + case "js": return 2 /* Ending.JsExtension */; + default: return usesJsExtensionOnImports(importingSourceFile) || isFormatRequiringExtensions(compilerOptions, importingSourceFile.path, host) ? 2 /* Ending.JsExtension */ + : ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeJs ? 1 /* Ending.Index */ : 0 /* Ending.Minimal */; + } + } + } + function getPreferencesForUpdate(compilerOptions, oldImportSpecifier, importingSourceFileName, host) { + return { + relativePreference: ts.isExternalModuleNameRelative(oldImportSpecifier) ? 0 /* RelativePreference.Relative */ : 1 /* RelativePreference.NonRelative */, + ending: ts.hasJSFileExtension(oldImportSpecifier) || isFormatRequiringExtensions(compilerOptions, importingSourceFileName, host) ? + 2 /* Ending.JsExtension */ : + ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeJs || ts.endsWith(oldImportSpecifier, "index") ? 1 /* Ending.Index */ : 0 /* Ending.Minimal */, + }; + } + function isFormatRequiringExtensions(compilerOptions, importingSourceFileName, host) { + var _a; + if (ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.Node16 + && ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeNext) { + return false; + } + return ts.getImpliedNodeFormatForFile(importingSourceFileName, (_a = host.getPackageJsonInfoCache) === null || _a === void 0 ? void 0 : _a.call(host), getModuleResolutionHost(host), compilerOptions) !== ts.ModuleKind.CommonJS; + } + function getModuleResolutionHost(host) { + var _a; + return { + fileExists: host.fileExists, + readFile: ts.Debug.checkDefined(host.readFile), + directoryExists: host.directoryExists, + getCurrentDirectory: host.getCurrentDirectory, + realpath: host.realpath, + useCaseSensitiveFileNames: (_a = host.useCaseSensitiveFileNames) === null || _a === void 0 ? void 0 : _a.call(host), + }; + } + // `importingSourceFile` and `importingSourceFileName`? Why not just use `importingSourceFile.path`? + // Because when this is called by the file renamer, `importingSourceFile` is the file being renamed, + // while `importingSourceFileName` its *new* name. We need a source file just to get its + // `impliedNodeFormat` and to detect certain preferences from existing import module specifiers. + function updateModuleSpecifier(compilerOptions, importingSourceFile, importingSourceFileName, toFileName, host, oldImportSpecifier, options) { + if (options === void 0) { options = {}; } + var res = getModuleSpecifierWorker(compilerOptions, importingSourceFile, importingSourceFileName, toFileName, host, getPreferencesForUpdate(compilerOptions, oldImportSpecifier, importingSourceFileName, host), {}, options); + if (res === oldImportSpecifier) + return undefined; + return res; + } + moduleSpecifiers_1.updateModuleSpecifier = updateModuleSpecifier; + // `importingSourceFile` and `importingSourceFileName`? Why not just use `importingSourceFile.path`? + // Because when this is called by the declaration emitter, `importingSourceFile` is the implementation + // file, but `importingSourceFileName` and `toFileName` refer to declaration files (the former to the + // one currently being produced; the latter to the one being imported). We need an implementation file + // just to get its `impliedNodeFormat` and to detect certain preferences from existing import module + // specifiers. + function getModuleSpecifier(compilerOptions, importingSourceFile, importingSourceFileName, toFileName, host, options) { + if (options === void 0) { options = {}; } + return getModuleSpecifierWorker(compilerOptions, importingSourceFile, importingSourceFileName, toFileName, host, getPreferences(host, {}, compilerOptions, importingSourceFile), {}, options); + } + moduleSpecifiers_1.getModuleSpecifier = getModuleSpecifier; + function getNodeModulesPackageName(compilerOptions, importingSourceFile, nodeModulesFileName, host, preferences, options) { + if (options === void 0) { options = {}; } + var info = getInfo(importingSourceFile.path, host); + var modulePaths = getAllModulePaths(importingSourceFile.path, nodeModulesFileName, host, preferences, options); + return ts.firstDefined(modulePaths, function (modulePath) { return tryGetModuleNameAsNodeModule(modulePath, info, importingSourceFile, host, compilerOptions, preferences, /*packageNameOnly*/ true, options.overrideImportMode); }); + } + moduleSpecifiers_1.getNodeModulesPackageName = getNodeModulesPackageName; + function getModuleSpecifierWorker(compilerOptions, importingSourceFile, importingSourceFileName, toFileName, host, preferences, userPreferences, options) { + if (options === void 0) { options = {}; } + var info = getInfo(importingSourceFileName, host); + var modulePaths = getAllModulePaths(importingSourceFileName, toFileName, host, userPreferences, options); + return ts.firstDefined(modulePaths, function (modulePath) { return tryGetModuleNameAsNodeModule(modulePath, info, importingSourceFile, host, compilerOptions, userPreferences, /*packageNameOnly*/ undefined, options.overrideImportMode); }) || + getLocalModuleSpecifier(toFileName, info, compilerOptions, host, preferences); + } + function tryGetModuleSpecifiersFromCache(moduleSymbol, importingSourceFile, host, userPreferences, options) { + if (options === void 0) { options = {}; } + return tryGetModuleSpecifiersFromCacheWorker(moduleSymbol, importingSourceFile, host, userPreferences, options)[0]; + } + moduleSpecifiers_1.tryGetModuleSpecifiersFromCache = tryGetModuleSpecifiersFromCache; + function tryGetModuleSpecifiersFromCacheWorker(moduleSymbol, importingSourceFile, host, userPreferences, options) { + var _a; + if (options === void 0) { options = {}; } + var moduleSourceFile = ts.getSourceFileOfModule(moduleSymbol); + if (!moduleSourceFile) { + return ts.emptyArray; + } + var cache = (_a = host.getModuleSpecifierCache) === null || _a === void 0 ? void 0 : _a.call(host); + var cached = cache === null || cache === void 0 ? void 0 : cache.get(importingSourceFile.path, moduleSourceFile.path, userPreferences, options); + return [cached === null || cached === void 0 ? void 0 : cached.moduleSpecifiers, moduleSourceFile, cached === null || cached === void 0 ? void 0 : cached.modulePaths, cache]; + } + /** Returns an import for each symlink and for the realpath. */ + function getModuleSpecifiers(moduleSymbol, checker, compilerOptions, importingSourceFile, host, userPreferences, options) { + if (options === void 0) { options = {}; } + return getModuleSpecifiersWithCacheInfo(moduleSymbol, checker, compilerOptions, importingSourceFile, host, userPreferences, options).moduleSpecifiers; + } + moduleSpecifiers_1.getModuleSpecifiers = getModuleSpecifiers; + function getModuleSpecifiersWithCacheInfo(moduleSymbol, checker, compilerOptions, importingSourceFile, host, userPreferences, options) { + if (options === void 0) { options = {}; } + var computedWithoutCache = false; + var ambient = tryGetModuleNameFromAmbientModule(moduleSymbol, checker); + if (ambient) + return { moduleSpecifiers: [ambient], computedWithoutCache: computedWithoutCache }; + // eslint-disable-next-line prefer-const + var _a = tryGetModuleSpecifiersFromCacheWorker(moduleSymbol, importingSourceFile, host, userPreferences, options), specifiers = _a[0], moduleSourceFile = _a[1], modulePaths = _a[2], cache = _a[3]; + if (specifiers) + return { moduleSpecifiers: specifiers, computedWithoutCache: computedWithoutCache }; + if (!moduleSourceFile) + return { moduleSpecifiers: ts.emptyArray, computedWithoutCache: computedWithoutCache }; + computedWithoutCache = true; + modulePaths || (modulePaths = getAllModulePathsWorker(importingSourceFile.path, moduleSourceFile.originalFileName, host)); + var result = computeModuleSpecifiers(modulePaths, compilerOptions, importingSourceFile, host, userPreferences, options); + cache === null || cache === void 0 ? void 0 : cache.set(importingSourceFile.path, moduleSourceFile.path, userPreferences, options, modulePaths, result); + return { moduleSpecifiers: result, computedWithoutCache: computedWithoutCache }; + } + moduleSpecifiers_1.getModuleSpecifiersWithCacheInfo = getModuleSpecifiersWithCacheInfo; + function computeModuleSpecifiers(modulePaths, compilerOptions, importingSourceFile, host, userPreferences, options) { + if (options === void 0) { options = {}; } + var info = getInfo(importingSourceFile.path, host); + var preferences = getPreferences(host, userPreferences, compilerOptions, importingSourceFile); + var existingSpecifier = ts.forEach(modulePaths, function (modulePath) { return ts.forEach(host.getFileIncludeReasons().get(ts.toPath(modulePath.path, host.getCurrentDirectory(), info.getCanonicalFileName)), function (reason) { + if (reason.kind !== ts.FileIncludeKind.Import || reason.file !== importingSourceFile.path) + return undefined; + // If the candidate import mode doesn't match the mode we're generating for, don't consider it + // TODO: maybe useful to keep around as an alternative option for certain contexts where the mode is overridable + if (importingSourceFile.impliedNodeFormat && importingSourceFile.impliedNodeFormat !== ts.getModeForResolutionAtIndex(importingSourceFile, reason.index)) + return undefined; + var specifier = ts.getModuleNameStringLiteralAt(importingSourceFile, reason.index).text; + // If the preference is for non relative and the module specifier is relative, ignore it + return preferences.relativePreference !== 1 /* RelativePreference.NonRelative */ || !ts.pathIsRelative(specifier) ? + specifier : + undefined; + }); }); + if (existingSpecifier) { + var moduleSpecifiers_2 = [existingSpecifier]; + return moduleSpecifiers_2; + } + var importedFileIsInNodeModules = ts.some(modulePaths, function (p) { return p.isInNodeModules; }); + // Module specifier priority: + // 1. "Bare package specifiers" (e.g. "@foo/bar") resulting from a path through node_modules to a package.json's "types" entry + // 2. Specifiers generated using "paths" from tsconfig + // 3. Non-relative specfiers resulting from a path through node_modules (e.g. "@foo/bar/path/to/file") + // 4. Relative paths + var nodeModulesSpecifiers; + var pathsSpecifiers; + var relativeSpecifiers; + for (var _i = 0, modulePaths_1 = modulePaths; _i < modulePaths_1.length; _i++) { + var modulePath = modulePaths_1[_i]; + var specifier = tryGetModuleNameAsNodeModule(modulePath, info, importingSourceFile, host, compilerOptions, userPreferences, /*packageNameOnly*/ undefined, options.overrideImportMode); + nodeModulesSpecifiers = ts.append(nodeModulesSpecifiers, specifier); + if (specifier && modulePath.isRedirect) { + // If we got a specifier for a redirect, it was a bare package specifier (e.g. "@foo/bar", + // not "@foo/bar/path/to/file"). No other specifier will be this good, so stop looking. + return nodeModulesSpecifiers; + } + if (!specifier && !modulePath.isRedirect) { + var local = getLocalModuleSpecifier(modulePath.path, info, compilerOptions, host, preferences); + if (ts.pathIsBareSpecifier(local)) { + pathsSpecifiers = ts.append(pathsSpecifiers, local); + } + else if (!importedFileIsInNodeModules || modulePath.isInNodeModules) { + // Why this extra conditional, not just an `else`? If some path to the file contained + // 'node_modules', but we can't create a non-relative specifier (e.g. "@foo/bar/path/to/file"), + // that means we had to go through a *sibling's* node_modules, not one we can access directly. + // If some path to the file was in node_modules but another was not, this likely indicates that + // we have a monorepo structure with symlinks. In this case, the non-node_modules path is + // probably the realpath, e.g. "../bar/path/to/file", but a relative path to another package + // in a monorepo is probably not portable. So, the module specifier we actually go with will be + // the relative path through node_modules, so that the declaration emitter can produce a + // portability error. (See declarationEmitReexportedSymlinkReference3) + relativeSpecifiers = ts.append(relativeSpecifiers, local); + } + } + } + return (pathsSpecifiers === null || pathsSpecifiers === void 0 ? void 0 : pathsSpecifiers.length) ? pathsSpecifiers : + (nodeModulesSpecifiers === null || nodeModulesSpecifiers === void 0 ? void 0 : nodeModulesSpecifiers.length) ? nodeModulesSpecifiers : + ts.Debug.checkDefined(relativeSpecifiers); + } + // importingSourceFileName is separate because getEditsForFileRename may need to specify an updated path + function getInfo(importingSourceFileName, host) { + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames ? host.useCaseSensitiveFileNames() : true); + var sourceDirectory = ts.getDirectoryPath(importingSourceFileName); + return { getCanonicalFileName: getCanonicalFileName, importingSourceFileName: importingSourceFileName, sourceDirectory: sourceDirectory }; + } + function getLocalModuleSpecifier(moduleFileName, info, compilerOptions, host, _a) { + var ending = _a.ending, relativePreference = _a.relativePreference; + var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths, rootDirs = compilerOptions.rootDirs; + var sourceDirectory = info.sourceDirectory, getCanonicalFileName = info.getCanonicalFileName; + var relativePath = rootDirs && tryGetModuleNameFromRootDirs(rootDirs, moduleFileName, sourceDirectory, getCanonicalFileName, ending, compilerOptions) || + removeExtensionAndIndexPostFix(ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(sourceDirectory, moduleFileName, getCanonicalFileName)), ending, compilerOptions); + if (!baseUrl && !paths || relativePreference === 0 /* RelativePreference.Relative */) { + return relativePath; + } + var baseDirectory = ts.getNormalizedAbsolutePath(ts.getPathsBasePath(compilerOptions, host) || baseUrl, host.getCurrentDirectory()); + var relativeToBaseUrl = getRelativePathIfInDirectory(moduleFileName, baseDirectory, getCanonicalFileName); + if (!relativeToBaseUrl) { + return relativePath; + } + var importRelativeToBaseUrl = removeExtensionAndIndexPostFix(relativeToBaseUrl, ending, compilerOptions); + var fromPaths = paths && tryGetModuleNameFromPaths(ts.removeFileExtension(relativeToBaseUrl), importRelativeToBaseUrl, paths); + var nonRelative = fromPaths === undefined && baseUrl !== undefined ? importRelativeToBaseUrl : fromPaths; + if (!nonRelative) { + return relativePath; + } + if (relativePreference === 1 /* RelativePreference.NonRelative */) { + return nonRelative; + } + if (relativePreference === 3 /* RelativePreference.ExternalNonRelative */) { + var projectDirectory = compilerOptions.configFilePath ? + ts.toPath(ts.getDirectoryPath(compilerOptions.configFilePath), host.getCurrentDirectory(), info.getCanonicalFileName) : + info.getCanonicalFileName(host.getCurrentDirectory()); + var modulePath = ts.toPath(moduleFileName, projectDirectory, getCanonicalFileName); + var sourceIsInternal = ts.startsWith(sourceDirectory, projectDirectory); + var targetIsInternal = ts.startsWith(modulePath, projectDirectory); + if (sourceIsInternal && !targetIsInternal || !sourceIsInternal && targetIsInternal) { + // 1. The import path crosses the boundary of the tsconfig.json-containing directory. + // + // src/ + // tsconfig.json + // index.ts ------- + // lib/ | (path crosses tsconfig.json) + // imported.ts <--- + // + return nonRelative; + } + var nearestTargetPackageJson = getNearestAncestorDirectoryWithPackageJson(host, ts.getDirectoryPath(modulePath)); + var nearestSourcePackageJson = getNearestAncestorDirectoryWithPackageJson(host, sourceDirectory); + if (nearestSourcePackageJson !== nearestTargetPackageJson) { + // 2. The importing and imported files are part of different packages. + // + // packages/a/ + // package.json + // index.ts -------- + // packages/b/ | (path crosses package.json) + // package.json | + // component.ts <--- + // + return nonRelative; + } + return relativePath; + } + if (relativePreference !== 2 /* RelativePreference.Shortest */) + ts.Debug.assertNever(relativePreference); + // Prefer a relative import over a baseUrl import if it has fewer components. + return isPathRelativeToParent(nonRelative) || countPathComponents(relativePath) < countPathComponents(nonRelative) ? relativePath : nonRelative; + } + function countPathComponents(path) { + var count = 0; + for (var i = ts.startsWith(path, "./") ? 2 : 0; i < path.length; i++) { + if (path.charCodeAt(i) === 47 /* CharacterCodes.slash */) + count++; + } + return count; + } + moduleSpecifiers_1.countPathComponents = countPathComponents; + function usesJsExtensionOnImports(_a) { + var imports = _a.imports; + return ts.firstDefined(imports, function (_a) { + var text = _a.text; + return ts.pathIsRelative(text) ? ts.hasJSFileExtension(text) : undefined; + }) || false; + } + function comparePathsByRedirectAndNumberOfDirectorySeparators(a, b) { + return ts.compareBooleans(b.isRedirect, a.isRedirect) || ts.compareNumberOfDirectorySeparators(a.path, b.path); + } + function getNearestAncestorDirectoryWithPackageJson(host, fileName) { + if (host.getNearestAncestorDirectoryWithPackageJson) { + return host.getNearestAncestorDirectoryWithPackageJson(fileName); + } + return !!ts.forEachAncestorDirectory(fileName, function (directory) { + return host.fileExists(ts.combinePaths(directory, "package.json")) ? true : undefined; + }); + } + function forEachFileNameOfModule(importingFileName, importedFileName, host, preferSymlinks, cb) { + var _a; + var getCanonicalFileName = ts.hostGetCanonicalFileName(host); + var cwd = host.getCurrentDirectory(); + var referenceRedirect = host.isSourceOfProjectReferenceRedirect(importedFileName) ? host.getProjectReferenceRedirect(importedFileName) : undefined; + var importedPath = ts.toPath(importedFileName, cwd, getCanonicalFileName); + var redirects = host.redirectTargetsMap.get(importedPath) || ts.emptyArray; + var importedFileNames = __spreadArray(__spreadArray(__spreadArray([], (referenceRedirect ? [referenceRedirect] : ts.emptyArray), true), [importedFileName], false), redirects, true); + var targets = importedFileNames.map(function (f) { return ts.getNormalizedAbsolutePath(f, cwd); }); + var shouldFilterIgnoredPaths = !ts.every(targets, ts.containsIgnoredPath); + if (!preferSymlinks) { + // Symlinks inside ignored paths are already filtered out of the symlink cache, + // so we only need to remove them from the realpath filenames. + var result_15 = ts.forEach(targets, function (p) { return !(shouldFilterIgnoredPaths && ts.containsIgnoredPath(p)) && cb(p, referenceRedirect === p); }); + if (result_15) + return result_15; + } + var symlinkedDirectories = (_a = host.getSymlinkCache) === null || _a === void 0 ? void 0 : _a.call(host).getSymlinkedDirectoriesByRealpath(); + var fullImportedFileName = ts.getNormalizedAbsolutePath(importedFileName, cwd); + var result = symlinkedDirectories && ts.forEachAncestorDirectory(ts.getDirectoryPath(fullImportedFileName), function (realPathDirectory) { + var symlinkDirectories = symlinkedDirectories.get(ts.ensureTrailingDirectorySeparator(ts.toPath(realPathDirectory, cwd, getCanonicalFileName))); + if (!symlinkDirectories) + return undefined; // Continue to ancestor directory + // Don't want to a package to globally import from itself (importNameCodeFix_symlink_own_package.ts) + if (ts.startsWithDirectory(importingFileName, realPathDirectory, getCanonicalFileName)) { + return false; // Stop search, each ancestor directory will also hit this condition + } + return ts.forEach(targets, function (target) { + if (!ts.startsWithDirectory(target, realPathDirectory, getCanonicalFileName)) { + return; + } + var relative = ts.getRelativePathFromDirectory(realPathDirectory, target, getCanonicalFileName); + for (var _i = 0, symlinkDirectories_1 = symlinkDirectories; _i < symlinkDirectories_1.length; _i++) { + var symlinkDirectory = symlinkDirectories_1[_i]; + var option = ts.resolvePath(symlinkDirectory, relative); + var result_16 = cb(option, target === referenceRedirect); + shouldFilterIgnoredPaths = true; // We found a non-ignored path in symlinks, so we can reject ignored-path realpaths + if (result_16) + return result_16; + } + }); + }); + return result || (preferSymlinks + ? ts.forEach(targets, function (p) { return shouldFilterIgnoredPaths && ts.containsIgnoredPath(p) ? undefined : cb(p, p === referenceRedirect); }) + : undefined); + } + moduleSpecifiers_1.forEachFileNameOfModule = forEachFileNameOfModule; + /** + * Looks for existing imports that use symlinks to this module. + * Symlinks will be returned first so they are preferred over the real path. + */ + function getAllModulePaths(importingFilePath, importedFileName, host, preferences, options) { + var _a; + if (options === void 0) { options = {}; } + var importedFilePath = ts.toPath(importedFileName, host.getCurrentDirectory(), ts.hostGetCanonicalFileName(host)); + var cache = (_a = host.getModuleSpecifierCache) === null || _a === void 0 ? void 0 : _a.call(host); + if (cache) { + var cached = cache.get(importingFilePath, importedFilePath, preferences, options); + if (cached === null || cached === void 0 ? void 0 : cached.modulePaths) + return cached.modulePaths; + } + var modulePaths = getAllModulePathsWorker(importingFilePath, importedFileName, host); + if (cache) { + cache.setModulePaths(importingFilePath, importedFilePath, preferences, options, modulePaths); + } + return modulePaths; + } + function getAllModulePathsWorker(importingFileName, importedFileName, host) { + var getCanonicalFileName = ts.hostGetCanonicalFileName(host); + var allFileNames = new ts.Map(); + var importedFileFromNodeModules = false; + forEachFileNameOfModule(importingFileName, importedFileName, host, + /*preferSymlinks*/ true, function (path, isRedirect) { + var isInNodeModules = ts.pathContainsNodeModules(path); + allFileNames.set(path, { path: getCanonicalFileName(path), isRedirect: isRedirect, isInNodeModules: isInNodeModules }); + importedFileFromNodeModules = importedFileFromNodeModules || isInNodeModules; + // don't return value, so we collect everything + }); + // Sort by paths closest to importing file Name directory + var sortedPaths = []; + var _loop_32 = function (directory) { + var directoryStart = ts.ensureTrailingDirectorySeparator(directory); + var pathsInDirectory; + allFileNames.forEach(function (_a, fileName) { + var path = _a.path, isRedirect = _a.isRedirect, isInNodeModules = _a.isInNodeModules; + if (ts.startsWith(path, directoryStart)) { + (pathsInDirectory || (pathsInDirectory = [])).push({ path: fileName, isRedirect: isRedirect, isInNodeModules: isInNodeModules }); + allFileNames.delete(fileName); + } + }); + if (pathsInDirectory) { + if (pathsInDirectory.length > 1) { + pathsInDirectory.sort(comparePathsByRedirectAndNumberOfDirectorySeparators); + } + sortedPaths.push.apply(sortedPaths, pathsInDirectory); + } + var newDirectory = ts.getDirectoryPath(directory); + if (newDirectory === directory) + return out_directory_1 = directory, "break"; + directory = newDirectory; + out_directory_1 = directory; + }; + var out_directory_1; + for (var directory = ts.getDirectoryPath(importingFileName); allFileNames.size !== 0;) { + var state_10 = _loop_32(directory); + directory = out_directory_1; + if (state_10 === "break") + break; + } + if (allFileNames.size) { + var remainingPaths = ts.arrayFrom(allFileNames.values()); + if (remainingPaths.length > 1) + remainingPaths.sort(comparePathsByRedirectAndNumberOfDirectorySeparators); + sortedPaths.push.apply(sortedPaths, remainingPaths); + } + return sortedPaths; + } + function tryGetModuleNameFromAmbientModule(moduleSymbol, checker) { + var _a; + var decl = (_a = moduleSymbol.declarations) === null || _a === void 0 ? void 0 : _a.find(function (d) { return ts.isNonGlobalAmbientModule(d) && (!ts.isExternalModuleAugmentation(d) || !ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(d.name))); }); + if (decl) { + return decl.name.text; + } + // the module could be a namespace, which is export through "export=" from an ambient module. + /** + * declare module "m" { + * namespace ns { + * class c {} + * } + * export = ns; + * } + */ + // `import {c} from "m";` is valid, in which case, `moduleSymbol` is "ns", but the module name should be "m" + var ambientModuleDeclareCandidates = ts.mapDefined(moduleSymbol.declarations, function (d) { + var _a, _b, _c, _d; + if (!ts.isModuleDeclaration(d)) + return; + var topNamespace = getTopNamespace(d); + if (!(((_a = topNamespace === null || topNamespace === void 0 ? void 0 : topNamespace.parent) === null || _a === void 0 ? void 0 : _a.parent) + && ts.isModuleBlock(topNamespace.parent) && ts.isAmbientModule(topNamespace.parent.parent) && ts.isSourceFile(topNamespace.parent.parent.parent))) + return; + var exportAssignment = (_d = (_c = (_b = topNamespace.parent.parent.symbol.exports) === null || _b === void 0 ? void 0 : _b.get("export=")) === null || _c === void 0 ? void 0 : _c.valueDeclaration) === null || _d === void 0 ? void 0 : _d.expression; + if (!exportAssignment) + return; + var exportSymbol = checker.getSymbolAtLocation(exportAssignment); + if (!exportSymbol) + return; + var originalExportSymbol = (exportSymbol === null || exportSymbol === void 0 ? void 0 : exportSymbol.flags) & 2097152 /* SymbolFlags.Alias */ ? checker.getAliasedSymbol(exportSymbol) : exportSymbol; + if (originalExportSymbol === d.symbol) + return topNamespace.parent.parent; + function getTopNamespace(namespaceDeclaration) { + while (namespaceDeclaration.flags & 4 /* NodeFlags.NestedNamespace */) { + namespaceDeclaration = namespaceDeclaration.parent; + } + return namespaceDeclaration; + } + }); + var ambientModuleDeclare = ambientModuleDeclareCandidates[0]; + if (ambientModuleDeclare) { + return ambientModuleDeclare.name.text; + } + } + function tryGetModuleNameFromPaths(relativeToBaseUrlWithIndex, relativeToBaseUrl, paths) { + for (var key in paths) { + for (var _i = 0, _a = paths[key]; _i < _a.length; _i++) { + var patternText_1 = _a[_i]; + var pattern = ts.removeFileExtension(ts.normalizePath(patternText_1)); + var indexOfStar = pattern.indexOf("*"); + if (indexOfStar !== -1) { + var prefix = pattern.substr(0, indexOfStar); + var suffix = pattern.substr(indexOfStar + 1); + if (relativeToBaseUrl.length >= prefix.length + suffix.length && + ts.startsWith(relativeToBaseUrl, prefix) && + ts.endsWith(relativeToBaseUrl, suffix) || + !suffix && relativeToBaseUrl === ts.removeTrailingDirectorySeparator(prefix)) { + var matchedStar = relativeToBaseUrl.substr(prefix.length, relativeToBaseUrl.length - suffix.length - prefix.length); + return key.replace("*", matchedStar); + } + } + else if (pattern === relativeToBaseUrl || pattern === relativeToBaseUrlWithIndex) { + return key; + } + } + } + } + var MatchingMode; + (function (MatchingMode) { + MatchingMode[MatchingMode["Exact"] = 0] = "Exact"; + MatchingMode[MatchingMode["Directory"] = 1] = "Directory"; + MatchingMode[MatchingMode["Pattern"] = 2] = "Pattern"; + })(MatchingMode || (MatchingMode = {})); + function tryGetModuleNameFromExports(options, targetFilePath, packageDirectory, packageName, exports, conditions, mode) { + if (mode === void 0) { mode = 0 /* MatchingMode.Exact */; } + if (typeof exports === "string") { + var pathOrPattern = ts.getNormalizedAbsolutePath(ts.combinePaths(packageDirectory, exports), /*currentDirectory*/ undefined); + var extensionSwappedTarget = ts.hasTSFileExtension(targetFilePath) ? ts.removeFileExtension(targetFilePath) + tryGetJSExtensionForFile(targetFilePath, options) : undefined; + switch (mode) { + case 0 /* MatchingMode.Exact */: + if (ts.comparePaths(targetFilePath, pathOrPattern) === 0 /* Comparison.EqualTo */ || (extensionSwappedTarget && ts.comparePaths(extensionSwappedTarget, pathOrPattern) === 0 /* Comparison.EqualTo */)) { + return { moduleFileToTry: packageName }; + } + break; + case 1 /* MatchingMode.Directory */: + if (ts.containsPath(pathOrPattern, targetFilePath)) { + var fragment = ts.getRelativePathFromDirectory(pathOrPattern, targetFilePath, /*ignoreCase*/ false); + return { moduleFileToTry: ts.getNormalizedAbsolutePath(ts.combinePaths(ts.combinePaths(packageName, exports), fragment), /*currentDirectory*/ undefined) }; + } + break; + case 2 /* MatchingMode.Pattern */: + var starPos = pathOrPattern.indexOf("*"); + var leadingSlice = pathOrPattern.slice(0, starPos); + var trailingSlice = pathOrPattern.slice(starPos + 1); + if (ts.startsWith(targetFilePath, leadingSlice) && ts.endsWith(targetFilePath, trailingSlice)) { + var starReplacement = targetFilePath.slice(leadingSlice.length, targetFilePath.length - trailingSlice.length); + return { moduleFileToTry: packageName.replace("*", starReplacement) }; + } + if (extensionSwappedTarget && ts.startsWith(extensionSwappedTarget, leadingSlice) && ts.endsWith(extensionSwappedTarget, trailingSlice)) { + var starReplacement = extensionSwappedTarget.slice(leadingSlice.length, extensionSwappedTarget.length - trailingSlice.length); + return { moduleFileToTry: packageName.replace("*", starReplacement) }; + } + break; + } + } + else if (Array.isArray(exports)) { + return ts.forEach(exports, function (e) { return tryGetModuleNameFromExports(options, targetFilePath, packageDirectory, packageName, e, conditions); }); + } + else if (typeof exports === "object" && exports !== null) { // eslint-disable-line no-null/no-null + if (ts.allKeysStartWithDot(exports)) { + // sub-mappings + // 3 cases: + // * directory mappings (legacyish, key ends with / (technically allows index/extension resolution under cjs mode)) + // * pattern mappings (contains a *) + // * exact mappings (no *, does not end with /) + return ts.forEach(ts.getOwnKeys(exports), function (k) { + var subPackageName = ts.getNormalizedAbsolutePath(ts.combinePaths(packageName, k), /*currentDirectory*/ undefined); + var mode = ts.endsWith(k, "/") ? 1 /* MatchingMode.Directory */ + : ts.stringContains(k, "*") ? 2 /* MatchingMode.Pattern */ + : 0 /* MatchingMode.Exact */; + return tryGetModuleNameFromExports(options, targetFilePath, packageDirectory, subPackageName, exports[k], conditions, mode); + }); + } + else { + // conditional mapping + for (var _i = 0, _a = ts.getOwnKeys(exports); _i < _a.length; _i++) { + var key = _a[_i]; + if (key === "default" || conditions.indexOf(key) >= 0 || ts.isApplicableVersionedTypesKey(conditions, key)) { + var subTarget = exports[key]; + var result = tryGetModuleNameFromExports(options, targetFilePath, packageDirectory, packageName, subTarget, conditions); + if (result) { + return result; + } + } + } + } + } + return undefined; + } + function tryGetModuleNameFromRootDirs(rootDirs, moduleFileName, sourceDirectory, getCanonicalFileName, ending, compilerOptions) { + var normalizedTargetPath = getPathRelativeToRootDirs(moduleFileName, rootDirs, getCanonicalFileName); + if (normalizedTargetPath === undefined) { + return undefined; + } + var normalizedSourcePath = getPathRelativeToRootDirs(sourceDirectory, rootDirs, getCanonicalFileName); + var relativePath = normalizedSourcePath !== undefined ? ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(normalizedSourcePath, normalizedTargetPath, getCanonicalFileName)) : normalizedTargetPath; + return ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs + ? removeExtensionAndIndexPostFix(relativePath, ending, compilerOptions) + : ts.removeFileExtension(relativePath); + } + function tryGetModuleNameAsNodeModule(_a, _b, importingSourceFile, host, options, userPreferences, packageNameOnly, overrideMode) { + var path = _a.path, isRedirect = _a.isRedirect; + var getCanonicalFileName = _b.getCanonicalFileName, sourceDirectory = _b.sourceDirectory; + if (!host.fileExists || !host.readFile) { + return undefined; + } + var parts = ts.getNodeModulePathParts(path); + if (!parts) { + return undefined; + } + // Simplify the full file path to something that can be resolved by Node. + var moduleSpecifier = path; + var isPackageRootPath = false; + if (!packageNameOnly) { + var preferences = getPreferences(host, userPreferences, options, importingSourceFile); + var packageRootIndex = parts.packageRootIndex; + var moduleFileName = void 0; + while (true) { + // If the module could be imported by a directory name, use that directory's name + var _c = tryDirectoryWithPackageJson(packageRootIndex), moduleFileToTry = _c.moduleFileToTry, packageRootPath = _c.packageRootPath, blockedByExports = _c.blockedByExports, verbatimFromExports = _c.verbatimFromExports; + if (ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.Classic) { + if (blockedByExports) { + return undefined; // File is under this package.json, but is not publicly exported - there's no way to name it via `node_modules` resolution + } + if (verbatimFromExports) { + return moduleFileToTry; + } + } + if (packageRootPath) { + moduleSpecifier = packageRootPath; + isPackageRootPath = true; + break; + } + if (!moduleFileName) + moduleFileName = moduleFileToTry; + // try with next level of directory + packageRootIndex = path.indexOf(ts.directorySeparator, packageRootIndex + 1); + if (packageRootIndex === -1) { + moduleSpecifier = removeExtensionAndIndexPostFix(moduleFileName, preferences.ending, options, host); + break; + } + } + } + if (isRedirect && !isPackageRootPath) { + return undefined; + } + var globalTypingsCacheLocation = host.getGlobalTypingsCacheLocation && host.getGlobalTypingsCacheLocation(); + // Get a path that's relative to node_modules or the importing file's path + // if node_modules folder is in this folder or any of its parent folders, no need to keep it. + var pathToTopLevelNodeModules = getCanonicalFileName(moduleSpecifier.substring(0, parts.topLevelNodeModulesIndex)); + if (!(ts.startsWith(sourceDirectory, pathToTopLevelNodeModules) || globalTypingsCacheLocation && ts.startsWith(getCanonicalFileName(globalTypingsCacheLocation), pathToTopLevelNodeModules))) { + return undefined; + } + // If the module was found in @types, get the actual Node package name + var nodeModulesDirectoryName = moduleSpecifier.substring(parts.topLevelPackageNameIndex + 1); + var packageName = ts.getPackageNameFromTypesPackageName(nodeModulesDirectoryName); + // For classic resolution, only allow importing from node_modules/@types, not other node_modules + return ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.Classic && packageName === nodeModulesDirectoryName ? undefined : packageName; + function tryDirectoryWithPackageJson(packageRootIndex) { + var _a, _b; + var packageRootPath = path.substring(0, packageRootIndex); + var packageJsonPath = ts.combinePaths(packageRootPath, "package.json"); + var moduleFileToTry = path; + var cachedPackageJson = (_b = (_a = host.getPackageJsonInfoCache) === null || _a === void 0 ? void 0 : _a.call(host)) === null || _b === void 0 ? void 0 : _b.getPackageJsonInfo(packageJsonPath); + if (typeof cachedPackageJson === "object" || cachedPackageJson === undefined && host.fileExists(packageJsonPath)) { + var packageJsonContent = (cachedPackageJson === null || cachedPackageJson === void 0 ? void 0 : cachedPackageJson.packageJsonContent) || JSON.parse(host.readFile(packageJsonPath)); + if (ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.Node16 || ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.NodeNext) { + // `conditions` *could* be made to go against `importingSourceFile.impliedNodeFormat` if something wanted to generate + // an ImportEqualsDeclaration in an ESM-implied file or an ImportCall in a CJS-implied file. But since this function is + // usually called to conjure an import out of thin air, we don't have an existing usage to call `getModeForUsageAtIndex` + // with, so for now we just stick with the mode of the file. + var conditions = ["node", overrideMode || importingSourceFile.impliedNodeFormat === ts.ModuleKind.ESNext ? "import" : "require", "types"]; + var fromExports = packageJsonContent.exports && typeof packageJsonContent.name === "string" + ? tryGetModuleNameFromExports(options, path, packageRootPath, ts.getPackageNameFromTypesPackageName(packageJsonContent.name), packageJsonContent.exports, conditions) + : undefined; + if (fromExports) { + var withJsExtension = !ts.hasTSFileExtension(fromExports.moduleFileToTry) + ? fromExports + : { moduleFileToTry: ts.removeFileExtension(fromExports.moduleFileToTry) + tryGetJSExtensionForFile(fromExports.moduleFileToTry, options) }; + return __assign(__assign({}, withJsExtension), { verbatimFromExports: true }); + } + if (packageJsonContent.exports) { + return { moduleFileToTry: path, blockedByExports: true }; + } + } + var versionPaths = packageJsonContent.typesVersions + ? ts.getPackageJsonTypesVersionsPaths(packageJsonContent.typesVersions) + : undefined; + if (versionPaths) { + var subModuleName = path.slice(packageRootPath.length + 1); + var fromPaths = tryGetModuleNameFromPaths(ts.removeFileExtension(subModuleName), removeExtensionAndIndexPostFix(subModuleName, 0 /* Ending.Minimal */, options), versionPaths.paths); + if (fromPaths !== undefined) { + moduleFileToTry = ts.combinePaths(packageRootPath, fromPaths); + } + } + // If the file is the main module, it can be imported by the package name + var mainFileRelative = packageJsonContent.typings || packageJsonContent.types || packageJsonContent.main || "index.js"; + if (ts.isString(mainFileRelative)) { + var mainExportFile = ts.toPath(mainFileRelative, packageRootPath, getCanonicalFileName); + if (ts.removeFileExtension(mainExportFile) === ts.removeFileExtension(getCanonicalFileName(moduleFileToTry))) { + return { packageRootPath: packageRootPath, moduleFileToTry: moduleFileToTry }; + } + } + } + else { + // No package.json exists; an index.js will still resolve as the package name + var fileName = getCanonicalFileName(moduleFileToTry.substring(parts.packageRootIndex + 1)); + if (fileName === "index.d.ts" || fileName === "index.js" || fileName === "index.ts" || fileName === "index.tsx") { + return { moduleFileToTry: moduleFileToTry, packageRootPath: packageRootPath }; + } + } + return { moduleFileToTry: moduleFileToTry }; + } + } + function tryGetAnyFileFromPath(host, path) { + if (!host.fileExists) + return; + // We check all js, `node` and `json` extensions in addition to TS, since node module resolution would also choose those over the directory + var extensions = ts.flatten(ts.getSupportedExtensions({ allowJs: true }, [{ extension: "node", isMixedContent: false }, { extension: "json", isMixedContent: false, scriptKind: 6 /* ScriptKind.JSON */ }])); + for (var _i = 0, extensions_3 = extensions; _i < extensions_3.length; _i++) { + var e = extensions_3[_i]; + var fullPath = path + e; + if (host.fileExists(fullPath)) { + return fullPath; + } + } + } + function getPathRelativeToRootDirs(path, rootDirs, getCanonicalFileName) { + return ts.firstDefined(rootDirs, function (rootDir) { + var relativePath = getRelativePathIfInDirectory(path, rootDir, getCanonicalFileName); + return relativePath !== undefined && isPathRelativeToParent(relativePath) ? undefined : relativePath; + }); + } + function removeExtensionAndIndexPostFix(fileName, ending, options, host) { + if (ts.fileExtensionIsOneOf(fileName, [".json" /* Extension.Json */, ".mjs" /* Extension.Mjs */, ".cjs" /* Extension.Cjs */])) + return fileName; + var noExtension = ts.removeFileExtension(fileName); + if (fileName === noExtension) + return fileName; + if (ts.fileExtensionIsOneOf(fileName, [".d.mts" /* Extension.Dmts */, ".mts" /* Extension.Mts */, ".d.cts" /* Extension.Dcts */, ".cts" /* Extension.Cts */])) + return noExtension + getJSExtensionForFile(fileName, options); + switch (ending) { + case 0 /* Ending.Minimal */: + var withoutIndex = ts.removeSuffix(noExtension, "/index"); + if (host && withoutIndex !== noExtension && tryGetAnyFileFromPath(host, withoutIndex)) { + // Can't remove index if there's a file by the same name as the directory. + // Probably more callers should pass `host` so we can determine this? + return noExtension; + } + return withoutIndex; + case 1 /* Ending.Index */: + return noExtension; + case 2 /* Ending.JsExtension */: + return noExtension + getJSExtensionForFile(fileName, options); + default: + return ts.Debug.assertNever(ending); + } + } + function getJSExtensionForFile(fileName, options) { + var _a; + return (_a = tryGetJSExtensionForFile(fileName, options)) !== null && _a !== void 0 ? _a : ts.Debug.fail("Extension ".concat(ts.extensionFromPath(fileName), " is unsupported:: FileName:: ").concat(fileName)); + } + function tryGetJSExtensionForFile(fileName, options) { + var ext = ts.tryGetExtensionFromPath(fileName); + switch (ext) { + case ".ts" /* Extension.Ts */: + case ".d.ts" /* Extension.Dts */: + return ".js" /* Extension.Js */; + case ".tsx" /* Extension.Tsx */: + return options.jsx === 1 /* JsxEmit.Preserve */ ? ".jsx" /* Extension.Jsx */ : ".js" /* Extension.Js */; + case ".js" /* Extension.Js */: + case ".jsx" /* Extension.Jsx */: + case ".json" /* Extension.Json */: + return ext; + case ".d.mts" /* Extension.Dmts */: + case ".mts" /* Extension.Mts */: + case ".mjs" /* Extension.Mjs */: + return ".mjs" /* Extension.Mjs */; + case ".d.cts" /* Extension.Dcts */: + case ".cts" /* Extension.Cts */: + case ".cjs" /* Extension.Cjs */: + return ".cjs" /* Extension.Cjs */; + default: + return undefined; + } + } + moduleSpecifiers_1.tryGetJSExtensionForFile = tryGetJSExtensionForFile; + function getRelativePathIfInDirectory(path, directoryPath, getCanonicalFileName) { + var relativePath = ts.getRelativePathToDirectoryOrUrl(directoryPath, path, directoryPath, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false); + return ts.isRootedDiskPath(relativePath) ? undefined : relativePath; + } + function isPathRelativeToParent(path) { + return ts.startsWith(path, ".."); + } + })(moduleSpecifiers = ts.moduleSpecifiers || (ts.moduleSpecifiers = {})); +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var sysFormatDiagnosticsHost = ts.sys ? { + getCurrentDirectory: function () { return ts.sys.getCurrentDirectory(); }, + getNewLine: function () { return ts.sys.newLine; }, + getCanonicalFileName: ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames) + } : undefined; + /** + * Create a function that reports error by writing to the system and handles the formatting of the diagnostic + */ + function createDiagnosticReporter(system, pretty) { + var host = system === ts.sys && sysFormatDiagnosticsHost ? sysFormatDiagnosticsHost : { + getCurrentDirectory: function () { return system.getCurrentDirectory(); }, + getNewLine: function () { return system.newLine; }, + getCanonicalFileName: ts.createGetCanonicalFileName(system.useCaseSensitiveFileNames), + }; + if (!pretty) { + return function (diagnostic) { return system.write(ts.formatDiagnostic(diagnostic, host)); }; + } + var diagnostics = new Array(1); + return function (diagnostic) { + diagnostics[0] = diagnostic; + system.write(ts.formatDiagnosticsWithColorAndContext(diagnostics, host) + host.getNewLine()); + diagnostics[0] = undefined; // TODO: GH#18217 + }; + } + ts.createDiagnosticReporter = createDiagnosticReporter; + /** + * @returns Whether the screen was cleared. + */ + function clearScreenIfNotWatchingForFileChanges(system, diagnostic, options) { + if (system.clearScreen && + !options.preserveWatchOutput && + !options.extendedDiagnostics && + !options.diagnostics && + ts.contains(ts.screenStartingMessageCodes, diagnostic.code)) { + system.clearScreen(); + return true; + } + return false; + } + ts.screenStartingMessageCodes = [ + ts.Diagnostics.Starting_compilation_in_watch_mode.code, + ts.Diagnostics.File_change_detected_Starting_incremental_compilation.code, + ]; + function getPlainDiagnosticFollowingNewLines(diagnostic, newLine) { + return ts.contains(ts.screenStartingMessageCodes, diagnostic.code) + ? newLine + newLine + : newLine; + } + /** + * Get locale specific time based on whether we are in test mode + */ + function getLocaleTimeString(system) { + return !system.now ? + new Date().toLocaleTimeString() : + system.now().toLocaleTimeString("en-US", { timeZone: "UTC" }); + } + ts.getLocaleTimeString = getLocaleTimeString; + /** + * Create a function that reports watch status by writing to the system and handles the formatting of the diagnostic + */ + function createWatchStatusReporter(system, pretty) { + return pretty ? + function (diagnostic, newLine, options) { + clearScreenIfNotWatchingForFileChanges(system, diagnostic, options); + var output = "[".concat(ts.formatColorAndReset(getLocaleTimeString(system), ts.ForegroundColorEscapeSequences.Grey), "] "); + output += "".concat(ts.flattenDiagnosticMessageText(diagnostic.messageText, system.newLine)).concat(newLine + newLine); + system.write(output); + } : + function (diagnostic, newLine, options) { + var output = ""; + if (!clearScreenIfNotWatchingForFileChanges(system, diagnostic, options)) { + output += newLine; + } + output += "".concat(getLocaleTimeString(system), " - "); + output += "".concat(ts.flattenDiagnosticMessageText(diagnostic.messageText, system.newLine)).concat(getPlainDiagnosticFollowingNewLines(diagnostic, newLine)); + system.write(output); + }; + } + ts.createWatchStatusReporter = createWatchStatusReporter; + /** Parses config file using System interface */ + function parseConfigFileWithSystem(configFileName, optionsToExtend, extendedConfigCache, watchOptionsToExtend, system, reportDiagnostic) { + var host = system; + host.onUnRecoverableConfigFileDiagnostic = function (diagnostic) { return reportUnrecoverableDiagnostic(system, reportDiagnostic, diagnostic); }; + var result = ts.getParsedCommandLineOfConfigFile(configFileName, optionsToExtend, host, extendedConfigCache, watchOptionsToExtend); + host.onUnRecoverableConfigFileDiagnostic = undefined; // TODO: GH#18217 + return result; + } + ts.parseConfigFileWithSystem = parseConfigFileWithSystem; + function getErrorCountForSummary(diagnostics) { + return ts.countWhere(diagnostics, function (diagnostic) { return diagnostic.category === ts.DiagnosticCategory.Error; }); + } + ts.getErrorCountForSummary = getErrorCountForSummary; + function getFilesInErrorForSummary(diagnostics) { + var filesInError = ts.filter(diagnostics, function (diagnostic) { return diagnostic.category === ts.DiagnosticCategory.Error; }) + .map(function (errorDiagnostic) { + if (errorDiagnostic.file === undefined) + return; + return "".concat(errorDiagnostic.file.fileName); + }); + return filesInError.map(function (fileName) { + var diagnosticForFileName = ts.find(diagnostics, function (diagnostic) { + return diagnostic.file !== undefined && diagnostic.file.fileName === fileName; + }); + if (diagnosticForFileName !== undefined) { + var line = ts.getLineAndCharacterOfPosition(diagnosticForFileName.file, diagnosticForFileName.start).line; + return { + fileName: fileName, + line: line + 1, + }; + } + }); + } + ts.getFilesInErrorForSummary = getFilesInErrorForSummary; + function getWatchErrorSummaryDiagnosticMessage(errorCount) { + return errorCount === 1 ? + ts.Diagnostics.Found_1_error_Watching_for_file_changes : + ts.Diagnostics.Found_0_errors_Watching_for_file_changes; + } + ts.getWatchErrorSummaryDiagnosticMessage = getWatchErrorSummaryDiagnosticMessage; + function prettyPathForFileError(error, cwd) { + var line = ts.formatColorAndReset(":" + error.line, ts.ForegroundColorEscapeSequences.Grey); + if (ts.pathIsAbsolute(error.fileName) && ts.pathIsAbsolute(cwd)) { + return ts.getRelativePathFromDirectory(cwd, error.fileName, /* ignoreCase */ false) + line; + } + return error.fileName + line; + } + function getErrorSummaryText(errorCount, filesInError, newLine, host) { + if (errorCount === 0) + return ""; + var nonNilFiles = filesInError.filter(function (fileInError) { return fileInError !== undefined; }); + var distinctFileNamesWithLines = nonNilFiles.map(function (fileInError) { return "".concat(fileInError.fileName, ":").concat(fileInError.line); }) + .filter(function (value, index, self) { return self.indexOf(value) === index; }); + var firstFileReference = nonNilFiles[0] && prettyPathForFileError(nonNilFiles[0], host.getCurrentDirectory()); + var d = errorCount === 1 ? + ts.createCompilerDiagnostic(filesInError[0] !== undefined ? + ts.Diagnostics.Found_1_error_in_1 : + ts.Diagnostics.Found_1_error, errorCount, firstFileReference) : + ts.createCompilerDiagnostic(distinctFileNamesWithLines.length === 0 ? + ts.Diagnostics.Found_0_errors : + distinctFileNamesWithLines.length === 1 ? + ts.Diagnostics.Found_0_errors_in_the_same_file_starting_at_Colon_1 : + ts.Diagnostics.Found_0_errors_in_1_files, errorCount, distinctFileNamesWithLines.length === 1 ? firstFileReference : distinctFileNamesWithLines.length); + var suffix = distinctFileNamesWithLines.length > 1 ? createTabularErrorsDisplay(nonNilFiles, host) : ""; + return "".concat(newLine).concat(ts.flattenDiagnosticMessageText(d.messageText, newLine)).concat(newLine).concat(newLine).concat(suffix); + } + ts.getErrorSummaryText = getErrorSummaryText; + function createTabularErrorsDisplay(filesInError, host) { + var distinctFiles = filesInError.filter(function (value, index, self) { return index === self.findIndex(function (file) { return (file === null || file === void 0 ? void 0 : file.fileName) === (value === null || value === void 0 ? void 0 : value.fileName); }); }); + if (distinctFiles.length === 0) + return ""; + var numberLength = function (num) { return Math.log(num) * Math.LOG10E + 1; }; + var fileToErrorCount = distinctFiles.map(function (file) { return [file, ts.countWhere(filesInError, function (fileInError) { return fileInError.fileName === file.fileName; })]; }); + var maxErrors = fileToErrorCount.reduce(function (acc, value) { return Math.max(acc, value[1] || 0); }, 0); + var headerRow = ts.Diagnostics.Errors_Files.message; + var leftColumnHeadingLength = headerRow.split(" ")[0].length; + var leftPaddingGoal = Math.max(leftColumnHeadingLength, numberLength(maxErrors)); + var headerPadding = Math.max(numberLength(maxErrors) - leftColumnHeadingLength, 0); + var tabularData = ""; + tabularData += " ".repeat(headerPadding) + headerRow + "\n"; + fileToErrorCount.forEach(function (row) { + var file = row[0], errorCount = row[1]; + var errorCountDigitsLength = Math.log(errorCount) * Math.LOG10E + 1 | 0; + var leftPadding = errorCountDigitsLength < leftPaddingGoal ? + " ".repeat(leftPaddingGoal - errorCountDigitsLength) + : ""; + var fileRef = prettyPathForFileError(file, host.getCurrentDirectory()); + tabularData += "".concat(leftPadding).concat(errorCount, " ").concat(fileRef, "\n"); + }); + return tabularData; + } + function isBuilderProgram(program) { + return !!program.getState; + } + ts.isBuilderProgram = isBuilderProgram; + function listFiles(program, write) { + var options = program.getCompilerOptions(); + if (options.explainFiles) { + explainFiles(isBuilderProgram(program) ? program.getProgram() : program, write); + } + else if (options.listFiles || options.listFilesOnly) { + ts.forEach(program.getSourceFiles(), function (file) { + write(file.fileName); + }); + } + } + ts.listFiles = listFiles; + function explainFiles(program, write) { + var _a, _b; + var reasons = program.getFileIncludeReasons(); + var getCanonicalFileName = ts.createGetCanonicalFileName(program.useCaseSensitiveFileNames()); + var relativeFileName = function (fileName) { return ts.convertToRelativePath(fileName, program.getCurrentDirectory(), getCanonicalFileName); }; + for (var _i = 0, _c = program.getSourceFiles(); _i < _c.length; _i++) { + var file = _c[_i]; + write("".concat(toFileName(file, relativeFileName))); + (_a = reasons.get(file.path)) === null || _a === void 0 ? void 0 : _a.forEach(function (reason) { return write(" ".concat(fileIncludeReasonToDiagnostics(program, reason, relativeFileName).messageText)); }); + (_b = explainIfFileIsRedirect(file, relativeFileName)) === null || _b === void 0 ? void 0 : _b.forEach(function (d) { return write(" ".concat(d.messageText)); }); + } + } + ts.explainFiles = explainFiles; + function explainIfFileIsRedirect(file, fileNameConvertor) { + var result; + if (file.path !== file.resolvedPath) { + (result || (result = [])).push(ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.File_is_output_of_project_reference_source_0, toFileName(file.originalFileName, fileNameConvertor))); + } + if (file.redirectInfo) { + (result || (result = [])).push(ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.File_redirects_to_file_0, toFileName(file.redirectInfo.redirectTarget, fileNameConvertor))); + } + return result; + } + ts.explainIfFileIsRedirect = explainIfFileIsRedirect; + function getMatchedFileSpec(program, fileName) { + var _a; + var configFile = program.getCompilerOptions().configFile; + if (!((_a = configFile === null || configFile === void 0 ? void 0 : configFile.configFileSpecs) === null || _a === void 0 ? void 0 : _a.validatedFilesSpec)) + return undefined; + var getCanonicalFileName = ts.createGetCanonicalFileName(program.useCaseSensitiveFileNames()); + var filePath = getCanonicalFileName(fileName); + var basePath = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(configFile.fileName, program.getCurrentDirectory())); + return ts.find(configFile.configFileSpecs.validatedFilesSpec, function (fileSpec) { return getCanonicalFileName(ts.getNormalizedAbsolutePath(fileSpec, basePath)) === filePath; }); + } + ts.getMatchedFileSpec = getMatchedFileSpec; + function getMatchedIncludeSpec(program, fileName) { + var _a, _b; + var configFile = program.getCompilerOptions().configFile; + if (!((_a = configFile === null || configFile === void 0 ? void 0 : configFile.configFileSpecs) === null || _a === void 0 ? void 0 : _a.validatedIncludeSpecs)) + return undefined; + var isJsonFile = ts.fileExtensionIs(fileName, ".json" /* Extension.Json */); + var basePath = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(configFile.fileName, program.getCurrentDirectory())); + var useCaseSensitiveFileNames = program.useCaseSensitiveFileNames(); + return ts.find((_b = configFile === null || configFile === void 0 ? void 0 : configFile.configFileSpecs) === null || _b === void 0 ? void 0 : _b.validatedIncludeSpecs, function (includeSpec) { + if (isJsonFile && !ts.endsWith(includeSpec, ".json" /* Extension.Json */)) + return false; + var pattern = ts.getPatternFromSpec(includeSpec, basePath, "files"); + return !!pattern && ts.getRegexFromPattern("(".concat(pattern, ")$"), useCaseSensitiveFileNames).test(fileName); + }); + } + ts.getMatchedIncludeSpec = getMatchedIncludeSpec; + function fileIncludeReasonToDiagnostics(program, reason, fileNameConvertor) { + var _a, _b; + var options = program.getCompilerOptions(); + if (ts.isReferencedFile(reason)) { + var referenceLocation = ts.getReferencedFileLocation(function (path) { return program.getSourceFileByPath(path); }, reason); + var referenceText = ts.isReferenceFileLocation(referenceLocation) ? referenceLocation.file.text.substring(referenceLocation.pos, referenceLocation.end) : "\"".concat(referenceLocation.text, "\""); + var message = void 0; + ts.Debug.assert(ts.isReferenceFileLocation(referenceLocation) || reason.kind === ts.FileIncludeKind.Import, "Only synthetic references are imports"); + switch (reason.kind) { + case ts.FileIncludeKind.Import: + if (ts.isReferenceFileLocation(referenceLocation)) { + message = referenceLocation.packageId ? + ts.Diagnostics.Imported_via_0_from_file_1_with_packageId_2 : + ts.Diagnostics.Imported_via_0_from_file_1; + } + else if (referenceLocation.text === ts.externalHelpersModuleNameText) { + message = referenceLocation.packageId ? + ts.Diagnostics.Imported_via_0_from_file_1_with_packageId_2_to_import_importHelpers_as_specified_in_compilerOptions : + ts.Diagnostics.Imported_via_0_from_file_1_to_import_importHelpers_as_specified_in_compilerOptions; + } + else { + message = referenceLocation.packageId ? + ts.Diagnostics.Imported_via_0_from_file_1_with_packageId_2_to_import_jsx_and_jsxs_factory_functions : + ts.Diagnostics.Imported_via_0_from_file_1_to_import_jsx_and_jsxs_factory_functions; + } + break; + case ts.FileIncludeKind.ReferenceFile: + ts.Debug.assert(!referenceLocation.packageId); + message = ts.Diagnostics.Referenced_via_0_from_file_1; + break; + case ts.FileIncludeKind.TypeReferenceDirective: + message = referenceLocation.packageId ? + ts.Diagnostics.Type_library_referenced_via_0_from_file_1_with_packageId_2 : + ts.Diagnostics.Type_library_referenced_via_0_from_file_1; + break; + case ts.FileIncludeKind.LibReferenceDirective: + ts.Debug.assert(!referenceLocation.packageId); + message = ts.Diagnostics.Library_referenced_via_0_from_file_1; + break; + default: + ts.Debug.assertNever(reason); + } + return ts.chainDiagnosticMessages( + /*details*/ undefined, message, referenceText, toFileName(referenceLocation.file, fileNameConvertor), referenceLocation.packageId && ts.packageIdToString(referenceLocation.packageId)); + } + switch (reason.kind) { + case ts.FileIncludeKind.RootFile: + if (!((_a = options.configFile) === null || _a === void 0 ? void 0 : _a.configFileSpecs)) + return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Root_file_specified_for_compilation); + var fileName = ts.getNormalizedAbsolutePath(program.getRootFileNames()[reason.index], program.getCurrentDirectory()); + var matchedByFiles = getMatchedFileSpec(program, fileName); + if (matchedByFiles) + return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Part_of_files_list_in_tsconfig_json); + var matchedByInclude = getMatchedIncludeSpec(program, fileName); + return matchedByInclude ? + ts.chainDiagnosticMessages( + /*details*/ undefined, ts.Diagnostics.Matched_by_include_pattern_0_in_1, matchedByInclude, toFileName(options.configFile, fileNameConvertor)) : + // Could be additional files specified as roots + ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Root_file_specified_for_compilation); + case ts.FileIncludeKind.SourceFromProjectReference: + case ts.FileIncludeKind.OutputFromProjectReference: + var isOutput = reason.kind === ts.FileIncludeKind.OutputFromProjectReference; + var referencedResolvedRef = ts.Debug.checkDefined((_b = program.getResolvedProjectReferences()) === null || _b === void 0 ? void 0 : _b[reason.index]); + return ts.chainDiagnosticMessages( + /*details*/ undefined, ts.outFile(options) ? + isOutput ? + ts.Diagnostics.Output_from_referenced_project_0_included_because_1_specified : + ts.Diagnostics.Source_from_referenced_project_0_included_because_1_specified : + isOutput ? + ts.Diagnostics.Output_from_referenced_project_0_included_because_module_is_specified_as_none : + ts.Diagnostics.Source_from_referenced_project_0_included_because_module_is_specified_as_none, toFileName(referencedResolvedRef.sourceFile.fileName, fileNameConvertor), options.outFile ? "--outFile" : "--out"); + case ts.FileIncludeKind.AutomaticTypeDirectiveFile: + return ts.chainDiagnosticMessages( + /*details*/ undefined, options.types ? + reason.packageId ? + ts.Diagnostics.Entry_point_of_type_library_0_specified_in_compilerOptions_with_packageId_1 : + ts.Diagnostics.Entry_point_of_type_library_0_specified_in_compilerOptions : + reason.packageId ? + ts.Diagnostics.Entry_point_for_implicit_type_library_0_with_packageId_1 : + ts.Diagnostics.Entry_point_for_implicit_type_library_0, reason.typeReference, reason.packageId && ts.packageIdToString(reason.packageId)); + case ts.FileIncludeKind.LibFile: + if (reason.index !== undefined) + return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Library_0_specified_in_compilerOptions, options.lib[reason.index]); + var target = ts.forEachEntry(ts.targetOptionDeclaration.type, function (value, key) { return value === ts.getEmitScriptTarget(options) ? key : undefined; }); + return ts.chainDiagnosticMessages( + /*details*/ undefined, target ? + ts.Diagnostics.Default_library_for_target_0 : + ts.Diagnostics.Default_library, target); + default: + ts.Debug.assertNever(reason); + } + } + ts.fileIncludeReasonToDiagnostics = fileIncludeReasonToDiagnostics; + function toFileName(file, fileNameConvertor) { + var fileName = ts.isString(file) ? file : file.fileName; + return fileNameConvertor ? fileNameConvertor(fileName) : fileName; + } + /** + * Helper that emit files, report diagnostics and lists emitted and/or source files depending on compiler options + */ + function emitFilesAndReportErrors(program, reportDiagnostic, write, reportSummary, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) { + var isListFilesOnly = !!program.getCompilerOptions().listFilesOnly; + // First get and report any syntactic errors. + var allDiagnostics = program.getConfigFileParsingDiagnostics().slice(); + var configFileParsingDiagnosticsLength = allDiagnostics.length; + ts.addRange(allDiagnostics, program.getSyntacticDiagnostics(/*sourceFile*/ undefined, cancellationToken)); + // If we didn't have any syntactic errors, then also try getting the global and + // semantic errors. + if (allDiagnostics.length === configFileParsingDiagnosticsLength) { + ts.addRange(allDiagnostics, program.getOptionsDiagnostics(cancellationToken)); + if (!isListFilesOnly) { + ts.addRange(allDiagnostics, program.getGlobalDiagnostics(cancellationToken)); + if (allDiagnostics.length === configFileParsingDiagnosticsLength) { + ts.addRange(allDiagnostics, program.getSemanticDiagnostics(/*sourceFile*/ undefined, cancellationToken)); + } + } + } + // Emit and report any errors we ran into. + var emitResult = isListFilesOnly + ? { emitSkipped: true, diagnostics: ts.emptyArray } + : program.emit(/*targetSourceFile*/ undefined, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers); + var emittedFiles = emitResult.emittedFiles, emitDiagnostics = emitResult.diagnostics; + ts.addRange(allDiagnostics, emitDiagnostics); + var diagnostics = ts.sortAndDeduplicateDiagnostics(allDiagnostics); + diagnostics.forEach(reportDiagnostic); + if (write) { + var currentDir_1 = program.getCurrentDirectory(); + ts.forEach(emittedFiles, function (file) { + var filepath = ts.getNormalizedAbsolutePath(file, currentDir_1); + write("TSFILE: ".concat(filepath)); + }); + listFiles(program, write); + } + if (reportSummary) { + reportSummary(getErrorCountForSummary(diagnostics), getFilesInErrorForSummary(diagnostics)); + } + return { + emitResult: emitResult, + diagnostics: diagnostics, + }; + } + ts.emitFilesAndReportErrors = emitFilesAndReportErrors; + function emitFilesAndReportErrorsAndGetExitStatus(program, reportDiagnostic, write, reportSummary, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) { + var _a = emitFilesAndReportErrors(program, reportDiagnostic, write, reportSummary, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers), emitResult = _a.emitResult, diagnostics = _a.diagnostics; + if (emitResult.emitSkipped && diagnostics.length > 0) { + // If the emitter didn't emit anything, then pass that value along. + return ts.ExitStatus.DiagnosticsPresent_OutputsSkipped; + } + else if (diagnostics.length > 0) { + // The emitter emitted something, inform the caller if that happened in the presence + // of diagnostics or not. + return ts.ExitStatus.DiagnosticsPresent_OutputsGenerated; + } + return ts.ExitStatus.Success; + } + ts.emitFilesAndReportErrorsAndGetExitStatus = emitFilesAndReportErrorsAndGetExitStatus; + ts.noopFileWatcher = { close: ts.noop }; + ts.returnNoopFileWatcher = function () { return ts.noopFileWatcher; }; + function createWatchHost(system, reportWatchStatus) { + if (system === void 0) { system = ts.sys; } + var onWatchStatusChange = reportWatchStatus || createWatchStatusReporter(system); + return { + onWatchStatusChange: onWatchStatusChange, + watchFile: ts.maybeBind(system, system.watchFile) || ts.returnNoopFileWatcher, + watchDirectory: ts.maybeBind(system, system.watchDirectory) || ts.returnNoopFileWatcher, + setTimeout: ts.maybeBind(system, system.setTimeout) || ts.noop, + clearTimeout: ts.maybeBind(system, system.clearTimeout) || ts.noop + }; + } + ts.createWatchHost = createWatchHost; + ts.WatchType = { + ConfigFile: "Config file", + ExtendedConfigFile: "Extended config file", + SourceFile: "Source file", + MissingFile: "Missing file", + WildcardDirectory: "Wild card directory", + FailedLookupLocations: "Failed Lookup Locations", + TypeRoots: "Type roots", + ConfigFileOfReferencedProject: "Config file of referened project", + ExtendedConfigOfReferencedProject: "Extended config file of referenced project", + WildcardDirectoryOfReferencedProject: "Wild card directory of referenced project", + PackageJson: "package.json file", + }; + function createWatchFactory(host, options) { + var watchLogLevel = host.trace ? options.extendedDiagnostics ? ts.WatchLogLevel.Verbose : options.diagnostics ? ts.WatchLogLevel.TriggerOnly : ts.WatchLogLevel.None : ts.WatchLogLevel.None; + var writeLog = watchLogLevel !== ts.WatchLogLevel.None ? (function (s) { return host.trace(s); }) : ts.noop; + var result = ts.getWatchFactory(host, watchLogLevel, writeLog); + result.writeLog = writeLog; + return result; + } + ts.createWatchFactory = createWatchFactory; + function createCompilerHostFromProgramHost(host, getCompilerOptions, directoryStructureHost) { + if (directoryStructureHost === void 0) { directoryStructureHost = host; } + var useCaseSensitiveFileNames = host.useCaseSensitiveFileNames(); + var hostGetNewLine = ts.memoize(function () { return host.getNewLine(); }); + return { + getSourceFile: function (fileName, languageVersionOrOptions, onError) { + var text; + try { + ts.performance.mark("beforeIORead"); + text = host.readFile(fileName, getCompilerOptions().charset); + ts.performance.mark("afterIORead"); + ts.performance.measure("I/O Read", "beforeIORead", "afterIORead"); + } + catch (e) { + if (onError) { + onError(e.message); + } + text = ""; + } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersionOrOptions) : undefined; + }, + getDefaultLibLocation: ts.maybeBind(host, host.getDefaultLibLocation), + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return host.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return useCaseSensitiveFileNames; }, + getCanonicalFileName: ts.createGetCanonicalFileName(useCaseSensitiveFileNames), + getNewLine: function () { return ts.getNewLineCharacter(getCompilerOptions(), hostGetNewLine); }, + fileExists: function (f) { return host.fileExists(f); }, + readFile: function (f) { return host.readFile(f); }, + trace: ts.maybeBind(host, host.trace), + directoryExists: ts.maybeBind(directoryStructureHost, directoryStructureHost.directoryExists), + getDirectories: ts.maybeBind(directoryStructureHost, directoryStructureHost.getDirectories), + realpath: ts.maybeBind(host, host.realpath), + getEnvironmentVariable: ts.maybeBind(host, host.getEnvironmentVariable) || (function () { return ""; }), + createHash: ts.maybeBind(host, host.createHash), + readDirectory: ts.maybeBind(host, host.readDirectory), + disableUseFileVersionAsSignature: host.disableUseFileVersionAsSignature, + storeFilesChangingSignatureDuringEmit: host.storeFilesChangingSignatureDuringEmit, + }; + function writeFile(fileName, text, writeByteOrderMark, onError) { + try { + ts.performance.mark("beforeIOWrite"); + // NOTE: If patchWriteFileEnsuringDirectory has been called, + // the host.writeFile will do its own directory creation and + // the ensureDirectoriesExist call will always be redundant. + ts.writeFileEnsuringDirectories(fileName, text, writeByteOrderMark, function (path, data, writeByteOrderMark) { return host.writeFile(path, data, writeByteOrderMark); }, function (path) { return host.createDirectory(path); }, function (path) { return host.directoryExists(path); }); + ts.performance.mark("afterIOWrite"); + ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + } + ts.createCompilerHostFromProgramHost = createCompilerHostFromProgramHost; + function setGetSourceFileAsHashVersioned(compilerHost, host) { + var originalGetSourceFile = compilerHost.getSourceFile; + var computeHash = ts.maybeBind(host, host.createHash) || ts.generateDjb2Hash; + compilerHost.getSourceFile = function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + var result = originalGetSourceFile.call.apply(originalGetSourceFile, __spreadArray([compilerHost], args, false)); + if (result) { + result.version = computeHash(result.text); + } + return result; + }; + } + ts.setGetSourceFileAsHashVersioned = setGetSourceFileAsHashVersioned; + /** + * Creates the watch compiler host that can be extended with config file or root file names and options host + */ + function createProgramHost(system, createProgram) { + var getDefaultLibLocation = ts.memoize(function () { return ts.getDirectoryPath(ts.normalizePath(system.getExecutingFilePath())); }); + return { + useCaseSensitiveFileNames: function () { return system.useCaseSensitiveFileNames; }, + getNewLine: function () { return system.newLine; }, + getCurrentDirectory: ts.memoize(function () { return system.getCurrentDirectory(); }), + getDefaultLibLocation: getDefaultLibLocation, + getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); }, + fileExists: function (path) { return system.fileExists(path); }, + readFile: function (path, encoding) { return system.readFile(path, encoding); }, + directoryExists: function (path) { return system.directoryExists(path); }, + getDirectories: function (path) { return system.getDirectories(path); }, + readDirectory: function (path, extensions, exclude, include, depth) { return system.readDirectory(path, extensions, exclude, include, depth); }, + realpath: ts.maybeBind(system, system.realpath), + getEnvironmentVariable: ts.maybeBind(system, system.getEnvironmentVariable), + trace: function (s) { return system.write(s + system.newLine); }, + createDirectory: function (path) { return system.createDirectory(path); }, + writeFile: function (path, data, writeByteOrderMark) { return system.writeFile(path, data, writeByteOrderMark); }, + createHash: ts.maybeBind(system, system.createHash), + createProgram: createProgram || ts.createEmitAndSemanticDiagnosticsBuilderProgram, + disableUseFileVersionAsSignature: system.disableUseFileVersionAsSignature, + storeFilesChangingSignatureDuringEmit: system.storeFilesChangingSignatureDuringEmit, + }; + } + ts.createProgramHost = createProgramHost; + /** + * Creates the watch compiler host that can be extended with config file or root file names and options host + */ + function createWatchCompilerHost(system, createProgram, reportDiagnostic, reportWatchStatus) { + if (system === void 0) { system = ts.sys; } + var write = function (s) { return system.write(s + system.newLine); }; + var result = createProgramHost(system, createProgram); + ts.copyProperties(result, createWatchHost(system, reportWatchStatus)); + result.afterProgramCreate = function (builderProgram) { + var compilerOptions = builderProgram.getCompilerOptions(); + var newLine = ts.getNewLineCharacter(compilerOptions, function () { return system.newLine; }); + emitFilesAndReportErrors(builderProgram, reportDiagnostic, write, function (errorCount) { return result.onWatchStatusChange(ts.createCompilerDiagnostic(getWatchErrorSummaryDiagnosticMessage(errorCount), errorCount), newLine, compilerOptions, errorCount); }); + }; + return result; + } + /** + * Report error and exit + */ + function reportUnrecoverableDiagnostic(system, reportDiagnostic, diagnostic) { + reportDiagnostic(diagnostic); + system.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + /** + * Creates the watch compiler host from system for config file in watch mode + */ + function createWatchCompilerHostOfConfigFile(_a) { + var configFileName = _a.configFileName, optionsToExtend = _a.optionsToExtend, watchOptionsToExtend = _a.watchOptionsToExtend, extraFileExtensions = _a.extraFileExtensions, system = _a.system, createProgram = _a.createProgram, reportDiagnostic = _a.reportDiagnostic, reportWatchStatus = _a.reportWatchStatus; + var diagnosticReporter = reportDiagnostic || createDiagnosticReporter(system); + var host = createWatchCompilerHost(system, createProgram, diagnosticReporter, reportWatchStatus); + host.onUnRecoverableConfigFileDiagnostic = function (diagnostic) { return reportUnrecoverableDiagnostic(system, diagnosticReporter, diagnostic); }; + host.configFileName = configFileName; + host.optionsToExtend = optionsToExtend; + host.watchOptionsToExtend = watchOptionsToExtend; + host.extraFileExtensions = extraFileExtensions; + return host; + } + ts.createWatchCompilerHostOfConfigFile = createWatchCompilerHostOfConfigFile; + /** + * Creates the watch compiler host from system for compiling root files and options in watch mode + */ + function createWatchCompilerHostOfFilesAndCompilerOptions(_a) { + var rootFiles = _a.rootFiles, options = _a.options, watchOptions = _a.watchOptions, projectReferences = _a.projectReferences, system = _a.system, createProgram = _a.createProgram, reportDiagnostic = _a.reportDiagnostic, reportWatchStatus = _a.reportWatchStatus; + var host = createWatchCompilerHost(system, createProgram, reportDiagnostic || createDiagnosticReporter(system), reportWatchStatus); + host.rootFiles = rootFiles; + host.options = options; + host.watchOptions = watchOptions; + host.projectReferences = projectReferences; + return host; + } + ts.createWatchCompilerHostOfFilesAndCompilerOptions = createWatchCompilerHostOfFilesAndCompilerOptions; + function performIncrementalCompilation(input) { + var system = input.system || ts.sys; + var host = input.host || (input.host = ts.createIncrementalCompilerHost(input.options, system)); + var builderProgram = ts.createIncrementalProgram(input); + var exitStatus = emitFilesAndReportErrorsAndGetExitStatus(builderProgram, input.reportDiagnostic || createDiagnosticReporter(system), function (s) { return host.trace && host.trace(s); }, input.reportErrorSummary || input.options.pretty ? function (errorCount, filesInError) { return system.write(getErrorSummaryText(errorCount, filesInError, system.newLine, host)); } : undefined); + if (input.afterProgramEmitAndDiagnostics) + input.afterProgramEmitAndDiagnostics(builderProgram); + return exitStatus; + } + ts.performIncrementalCompilation = performIncrementalCompilation; +})(ts || (ts = {})); +var ts; +(function (ts) { + function readBuilderProgram(compilerOptions, host) { + if (ts.outFile(compilerOptions)) + return undefined; + var buildInfoPath = ts.getTsBuildInfoEmitOutputFilePath(compilerOptions); + if (!buildInfoPath) + return undefined; + var content = host.readFile(buildInfoPath); + if (!content) + return undefined; + var buildInfo = ts.getBuildInfo(content); + if (buildInfo.version !== ts.version) + return undefined; + if (!buildInfo.program) + return undefined; + return ts.createBuildProgramUsingProgramBuildInfo(buildInfo.program, buildInfoPath, host); + } + ts.readBuilderProgram = readBuilderProgram; + function createIncrementalCompilerHost(options, system) { + if (system === void 0) { system = ts.sys; } + var host = ts.createCompilerHostWorker(options, /*setParentNodes*/ undefined, system); + host.createHash = ts.maybeBind(system, system.createHash); + host.disableUseFileVersionAsSignature = system.disableUseFileVersionAsSignature; + host.storeFilesChangingSignatureDuringEmit = system.storeFilesChangingSignatureDuringEmit; + ts.setGetSourceFileAsHashVersioned(host, system); + ts.changeCompilerHostLikeToUseCache(host, function (fileName) { return ts.toPath(fileName, host.getCurrentDirectory(), host.getCanonicalFileName); }); + return host; + } + ts.createIncrementalCompilerHost = createIncrementalCompilerHost; + function createIncrementalProgram(_a) { + var rootNames = _a.rootNames, options = _a.options, configFileParsingDiagnostics = _a.configFileParsingDiagnostics, projectReferences = _a.projectReferences, host = _a.host, createProgram = _a.createProgram; + host = host || createIncrementalCompilerHost(options); + createProgram = createProgram || ts.createEmitAndSemanticDiagnosticsBuilderProgram; + var oldProgram = readBuilderProgram(options, host); + return createProgram(rootNames, options, host, oldProgram, configFileParsingDiagnostics, projectReferences); + } + ts.createIncrementalProgram = createIncrementalProgram; + function createWatchCompilerHost(rootFilesOrConfigFileName, options, system, createProgram, reportDiagnostic, reportWatchStatus, projectReferencesOrWatchOptionsToExtend, watchOptionsOrExtraFileExtensions) { + if (ts.isArray(rootFilesOrConfigFileName)) { + return ts.createWatchCompilerHostOfFilesAndCompilerOptions({ + rootFiles: rootFilesOrConfigFileName, + options: options, + watchOptions: watchOptionsOrExtraFileExtensions, + projectReferences: projectReferencesOrWatchOptionsToExtend, + system: system, + createProgram: createProgram, + reportDiagnostic: reportDiagnostic, + reportWatchStatus: reportWatchStatus, + }); + } + else { + return ts.createWatchCompilerHostOfConfigFile({ + configFileName: rootFilesOrConfigFileName, + optionsToExtend: options, + watchOptionsToExtend: projectReferencesOrWatchOptionsToExtend, + extraFileExtensions: watchOptionsOrExtraFileExtensions, + system: system, + createProgram: createProgram, + reportDiagnostic: reportDiagnostic, + reportWatchStatus: reportWatchStatus, + }); + } + } + ts.createWatchCompilerHost = createWatchCompilerHost; + function createWatchProgram(host) { + var builderProgram; + var reloadLevel; // level to indicate if the program needs to be reloaded from config file/just filenames etc + var missingFilesMap; // Map of file watchers for the missing files + var packageJsonMap; // map of watchers for package json files used in module resolution + var watchedWildcardDirectories; // map of watchers for the wild card directories in the config file + var timerToUpdateProgram; // timer callback to recompile the program + var timerToInvalidateFailedLookupResolutions; // timer callback to invalidate resolutions for changes in failed lookup locations + var parsedConfigs; // Parsed commandline and watching cached for referenced projects + var sharedExtendedConfigFileWatchers; // Map of file watchers for extended files, shared between different referenced projects + var extendedConfigCache = host.extendedConfigCache; // Cache for extended config evaluation + var changesAffectResolution = false; // Flag for indicating non-config changes affect module resolution + var reportFileChangeDetectedOnCreateProgram = false; // True if synchronizeProgram should report "File change detected..." when a new program is created + var sourceFilesCache = new ts.Map(); // Cache that stores the source file and version info + var missingFilePathsRequestedForRelease; // These paths are held temporarily so that we can remove the entry from source file cache if the file is not tracked by missing files + var hasChangedCompilerOptions = false; // True if the compiler options have changed between compilations + var useCaseSensitiveFileNames = host.useCaseSensitiveFileNames(); + var currentDirectory = host.getCurrentDirectory(); + var configFileName = host.configFileName, _a = host.optionsToExtend, optionsToExtendForConfigFile = _a === void 0 ? {} : _a, watchOptionsToExtend = host.watchOptionsToExtend, extraFileExtensions = host.extraFileExtensions, createProgram = host.createProgram; + var rootFileNames = host.rootFiles, compilerOptions = host.options, watchOptions = host.watchOptions, projectReferences = host.projectReferences; + var wildcardDirectories; + var configFileParsingDiagnostics; + var canConfigFileJsonReportNoInputFiles = false; + var hasChangedConfigFileParsingErrors = false; + var cachedDirectoryStructureHost = configFileName === undefined ? undefined : ts.createCachedDirectoryStructureHost(host, currentDirectory, useCaseSensitiveFileNames); + var directoryStructureHost = cachedDirectoryStructureHost || host; + var parseConfigFileHost = ts.parseConfigHostFromCompilerHostLike(host, directoryStructureHost); + // From tsc we want to get already parsed result and hence check for rootFileNames + var newLine = updateNewLine(); + if (configFileName && host.configFileParsingResult) { + setConfigFileParsingResult(host.configFileParsingResult); + newLine = updateNewLine(); + } + reportWatchDiagnostic(ts.Diagnostics.Starting_compilation_in_watch_mode); + if (configFileName && !host.configFileParsingResult) { + newLine = ts.getNewLineCharacter(optionsToExtendForConfigFile, function () { return host.getNewLine(); }); + ts.Debug.assert(!rootFileNames); + parseConfigFile(); + newLine = updateNewLine(); + } + var _b = ts.createWatchFactory(host, compilerOptions), watchFile = _b.watchFile, watchDirectory = _b.watchDirectory, writeLog = _b.writeLog; + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames); + writeLog("Current directory: ".concat(currentDirectory, " CaseSensitiveFileNames: ").concat(useCaseSensitiveFileNames)); + var configFileWatcher; + if (configFileName) { + configFileWatcher = watchFile(configFileName, scheduleProgramReload, ts.PollingInterval.High, watchOptions, ts.WatchType.ConfigFile); + } + var compilerHost = ts.createCompilerHostFromProgramHost(host, function () { return compilerOptions; }, directoryStructureHost); + ts.setGetSourceFileAsHashVersioned(compilerHost, host); + // Members for CompilerHost + var getNewSourceFile = compilerHost.getSourceFile; + compilerHost.getSourceFile = function (fileName) { + var args = []; + for (var _i = 1; _i < arguments.length; _i++) { + args[_i - 1] = arguments[_i]; + } + return getVersionedSourceFileByPath.apply(void 0, __spreadArray([fileName, toPath(fileName)], args, false)); + }; + compilerHost.getSourceFileByPath = getVersionedSourceFileByPath; + compilerHost.getNewLine = function () { return newLine; }; + compilerHost.fileExists = fileExists; + compilerHost.onReleaseOldSourceFile = onReleaseOldSourceFile; + compilerHost.onReleaseParsedCommandLine = onReleaseParsedCommandLine; + // Members for ResolutionCacheHost + compilerHost.toPath = toPath; + compilerHost.getCompilationSettings = function () { return compilerOptions; }; + compilerHost.useSourceOfProjectReferenceRedirect = ts.maybeBind(host, host.useSourceOfProjectReferenceRedirect); + compilerHost.watchDirectoryOfFailedLookupLocation = function (dir, cb, flags) { return watchDirectory(dir, cb, flags, watchOptions, ts.WatchType.FailedLookupLocations); }; + compilerHost.watchTypeRootsDirectory = function (dir, cb, flags) { return watchDirectory(dir, cb, flags, watchOptions, ts.WatchType.TypeRoots); }; + compilerHost.getCachedDirectoryStructureHost = function () { return cachedDirectoryStructureHost; }; + compilerHost.scheduleInvalidateResolutionsOfFailedLookupLocations = scheduleInvalidateResolutionsOfFailedLookupLocations; + compilerHost.onInvalidatedResolution = scheduleProgramUpdate; + compilerHost.onChangedAutomaticTypeDirectiveNames = scheduleProgramUpdate; + compilerHost.fileIsOpen = ts.returnFalse; + compilerHost.getCurrentProgram = getCurrentProgram; + compilerHost.writeLog = writeLog; + compilerHost.getParsedCommandLine = getParsedCommandLine; + // Cache for the module resolution + var resolutionCache = ts.createResolutionCache(compilerHost, configFileName ? + ts.getDirectoryPath(ts.getNormalizedAbsolutePath(configFileName, currentDirectory)) : + currentDirectory, + /*logChangesWhenResolvingModule*/ false); + // Resolve module using host module resolution strategy if provided otherwise use resolution cache to resolve module names + compilerHost.resolveModuleNames = host.resolveModuleNames ? + (function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + return host.resolveModuleNames.apply(host, args); + }) : + (function (moduleNames, containingFile, reusedNames, redirectedReference, _options, sourceFile) { return resolutionCache.resolveModuleNames(moduleNames, containingFile, reusedNames, redirectedReference, sourceFile); }); + compilerHost.resolveTypeReferenceDirectives = host.resolveTypeReferenceDirectives ? + (function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + return host.resolveTypeReferenceDirectives.apply(host, args); + }) : + (function (typeDirectiveNames, containingFile, redirectedReference, _options, containingFileMode) { return resolutionCache.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile, redirectedReference, containingFileMode); }); + var userProvidedResolution = !!host.resolveModuleNames || !!host.resolveTypeReferenceDirectives; + builderProgram = readBuilderProgram(compilerOptions, compilerHost); + synchronizeProgram(); + // Update the wild card directory watch + watchConfigFileWildCardDirectories(); + // Update extended config file watch + if (configFileName) + updateExtendedConfigFilesWatches(toPath(configFileName), compilerOptions, watchOptions, ts.WatchType.ExtendedConfigFile); + return configFileName ? + { getCurrentProgram: getCurrentBuilderProgram, getProgram: updateProgram, close: close } : + { getCurrentProgram: getCurrentBuilderProgram, getProgram: updateProgram, updateRootFileNames: updateRootFileNames, close: close }; + function close() { + clearInvalidateResolutionsOfFailedLookupLocations(); + resolutionCache.clear(); + ts.clearMap(sourceFilesCache, function (value) { + if (value && value.fileWatcher) { + value.fileWatcher.close(); + value.fileWatcher = undefined; + } + }); + if (configFileWatcher) { + configFileWatcher.close(); + configFileWatcher = undefined; + } + extendedConfigCache === null || extendedConfigCache === void 0 ? void 0 : extendedConfigCache.clear(); + extendedConfigCache = undefined; + if (sharedExtendedConfigFileWatchers) { + ts.clearMap(sharedExtendedConfigFileWatchers, ts.closeFileWatcherOf); + sharedExtendedConfigFileWatchers = undefined; + } + if (watchedWildcardDirectories) { + ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcherOf); + watchedWildcardDirectories = undefined; + } + if (missingFilesMap) { + ts.clearMap(missingFilesMap, ts.closeFileWatcher); + missingFilesMap = undefined; + } + if (parsedConfigs) { + ts.clearMap(parsedConfigs, function (config) { + var _a; + (_a = config.watcher) === null || _a === void 0 ? void 0 : _a.close(); + config.watcher = undefined; + if (config.watchedDirectories) + ts.clearMap(config.watchedDirectories, ts.closeFileWatcherOf); + config.watchedDirectories = undefined; + }); + parsedConfigs = undefined; + } + if (packageJsonMap) { + ts.clearMap(packageJsonMap, ts.closeFileWatcher); + packageJsonMap = undefined; + } + } + function getCurrentBuilderProgram() { + return builderProgram; + } + function getCurrentProgram() { + return builderProgram && builderProgram.getProgramOrUndefined(); + } + function synchronizeProgram() { + writeLog("Synchronizing program"); + clearInvalidateResolutionsOfFailedLookupLocations(); + var program = getCurrentBuilderProgram(); + if (hasChangedCompilerOptions) { + newLine = updateNewLine(); + if (program && (changesAffectResolution || ts.changesAffectModuleResolution(program.getCompilerOptions(), compilerOptions))) { + resolutionCache.clear(); + } + } + // All resolutions are invalid if user provided resolutions + var hasInvalidatedResolution = resolutionCache.createHasInvalidatedResolution(userProvidedResolution || changesAffectResolution); + if (ts.isProgramUptoDate(getCurrentProgram(), rootFileNames, compilerOptions, getSourceVersion, fileExists, hasInvalidatedResolution, hasChangedAutomaticTypeDirectiveNames, getParsedCommandLine, projectReferences)) { + if (hasChangedConfigFileParsingErrors) { + if (reportFileChangeDetectedOnCreateProgram) { + reportWatchDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation); + } + builderProgram = createProgram(/*rootNames*/ undefined, /*options*/ undefined, compilerHost, builderProgram, configFileParsingDiagnostics, projectReferences); + hasChangedConfigFileParsingErrors = false; + } + } + else { + if (reportFileChangeDetectedOnCreateProgram) { + reportWatchDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation); + } + createNewProgram(hasInvalidatedResolution); + } + changesAffectResolution = false; // reset for next sync + reportFileChangeDetectedOnCreateProgram = false; + if (host.afterProgramCreate && program !== builderProgram) { + host.afterProgramCreate(builderProgram); + } + return builderProgram; + } + function createNewProgram(hasInvalidatedResolution) { + // Compile the program + writeLog("CreatingProgramWith::"); + writeLog(" roots: ".concat(JSON.stringify(rootFileNames))); + writeLog(" options: ".concat(JSON.stringify(compilerOptions))); + if (projectReferences) + writeLog(" projectReferences: ".concat(JSON.stringify(projectReferences))); + var needsUpdateInTypeRootWatch = hasChangedCompilerOptions || !getCurrentProgram(); + hasChangedCompilerOptions = false; + hasChangedConfigFileParsingErrors = false; + resolutionCache.startCachingPerDirectoryResolution(); + compilerHost.hasInvalidatedResolution = hasInvalidatedResolution; + compilerHost.hasChangedAutomaticTypeDirectiveNames = hasChangedAutomaticTypeDirectiveNames; + builderProgram = createProgram(rootFileNames, compilerOptions, compilerHost, builderProgram, configFileParsingDiagnostics, projectReferences); + // map package json cache entries to their realpaths so we don't try to watch across symlinks + var packageCacheEntries = ts.map(resolutionCache.getModuleResolutionCache().getPackageJsonInfoCache().entries(), function (_a) { + var path = _a[0], data = _a[1]; + return [compilerHost.realpath ? toPath(compilerHost.realpath(path)) : path, data]; + }); + resolutionCache.finishCachingPerDirectoryResolution(); + // Update watches + ts.updateMissingFilePathsWatch(builderProgram.getProgram(), missingFilesMap || (missingFilesMap = new ts.Map()), watchMissingFilePath); + ts.updatePackageJsonWatch(packageCacheEntries, packageJsonMap || (packageJsonMap = new ts.Map()), watchPackageJsonLookupPath); + if (needsUpdateInTypeRootWatch) { + resolutionCache.updateTypeRootsWatch(); + } + if (missingFilePathsRequestedForRelease) { + // These are the paths that program creater told us as not in use any more but were missing on the disk. + // We didnt remove the entry for them from sourceFiles cache so that we dont have to do File IO, + // if there is already watcher for it (for missing files) + // At this point our watches were updated, hence now we know that these paths are not tracked and need to be removed + // so that at later time we have correct result of their presence + for (var _i = 0, missingFilePathsRequestedForRelease_1 = missingFilePathsRequestedForRelease; _i < missingFilePathsRequestedForRelease_1.length; _i++) { + var missingFilePath = missingFilePathsRequestedForRelease_1[_i]; + if (!missingFilesMap.has(missingFilePath)) { + sourceFilesCache.delete(missingFilePath); + } + } + missingFilePathsRequestedForRelease = undefined; + } + } + function updateRootFileNames(files) { + ts.Debug.assert(!configFileName, "Cannot update root file names with config file watch mode"); + rootFileNames = files; + scheduleProgramUpdate(); + } + function updateNewLine() { + return ts.getNewLineCharacter(compilerOptions || optionsToExtendForConfigFile, function () { return host.getNewLine(); }); + } + function toPath(fileName) { + return ts.toPath(fileName, currentDirectory, getCanonicalFileName); + } + function isFileMissingOnHost(hostSourceFile) { + return typeof hostSourceFile === "boolean"; + } + function isFilePresenceUnknownOnHost(hostSourceFile) { + return typeof hostSourceFile.version === "boolean"; + } + function fileExists(fileName) { + var path = toPath(fileName); + // If file is missing on host from cache, we can definitely say file doesnt exist + // otherwise we need to ensure from the disk + if (isFileMissingOnHost(sourceFilesCache.get(path))) { + return false; + } + return directoryStructureHost.fileExists(fileName); + } + function getVersionedSourceFileByPath(fileName, path, languageVersionOrOptions, onError, shouldCreateNewSourceFile) { + var hostSourceFile = sourceFilesCache.get(path); + // No source file on the host + if (isFileMissingOnHost(hostSourceFile)) { + return undefined; + } + // Create new source file if requested or the versions dont match + if (hostSourceFile === undefined || shouldCreateNewSourceFile || isFilePresenceUnknownOnHost(hostSourceFile)) { + var sourceFile = getNewSourceFile(fileName, languageVersionOrOptions, onError); + if (hostSourceFile) { + if (sourceFile) { + // Set the source file and create file watcher now that file was present on the disk + hostSourceFile.sourceFile = sourceFile; + hostSourceFile.version = sourceFile.version; + if (!hostSourceFile.fileWatcher) { + hostSourceFile.fileWatcher = watchFilePath(path, fileName, onSourceFileChange, ts.PollingInterval.Low, watchOptions, ts.WatchType.SourceFile); + } + } + else { + // There is no source file on host any more, close the watch, missing file paths will track it + if (hostSourceFile.fileWatcher) { + hostSourceFile.fileWatcher.close(); + } + sourceFilesCache.set(path, false); + } + } + else { + if (sourceFile) { + var fileWatcher = watchFilePath(path, fileName, onSourceFileChange, ts.PollingInterval.Low, watchOptions, ts.WatchType.SourceFile); + sourceFilesCache.set(path, { sourceFile: sourceFile, version: sourceFile.version, fileWatcher: fileWatcher }); + } + else { + sourceFilesCache.set(path, false); + } + } + if (sourceFile) { + sourceFile.impliedNodeFormat = ts.getImpliedNodeFormatForFile(path, resolutionCache.getModuleResolutionCache().getPackageJsonInfoCache(), compilerHost, compilerHost.getCompilationSettings()); + } + return sourceFile; + } + return hostSourceFile.sourceFile; + } + function nextSourceFileVersion(path) { + var hostSourceFile = sourceFilesCache.get(path); + if (hostSourceFile !== undefined) { + if (isFileMissingOnHost(hostSourceFile)) { + // The next version, lets set it as presence unknown file + sourceFilesCache.set(path, { version: false }); + } + else { + hostSourceFile.version = false; + } + } + } + function getSourceVersion(path) { + var hostSourceFile = sourceFilesCache.get(path); + return !hostSourceFile || !hostSourceFile.version ? undefined : hostSourceFile.version; + } + function onReleaseOldSourceFile(oldSourceFile, _oldOptions, hasSourceFileByPath) { + var hostSourceFileInfo = sourceFilesCache.get(oldSourceFile.resolvedPath); + // If this is the source file thats in the cache and new program doesnt need it, + // remove the cached entry. + // Note we arent deleting entry if file became missing in new program or + // there was version update and new source file was created. + if (hostSourceFileInfo !== undefined) { + // record the missing file paths so they can be removed later if watchers arent tracking them + if (isFileMissingOnHost(hostSourceFileInfo)) { + (missingFilePathsRequestedForRelease || (missingFilePathsRequestedForRelease = [])).push(oldSourceFile.path); + } + else if (hostSourceFileInfo.sourceFile === oldSourceFile) { + if (hostSourceFileInfo.fileWatcher) { + hostSourceFileInfo.fileWatcher.close(); + } + sourceFilesCache.delete(oldSourceFile.resolvedPath); + if (!hasSourceFileByPath) { + resolutionCache.removeResolutionsOfFile(oldSourceFile.path); + } + } + } + } + function reportWatchDiagnostic(message) { + if (host.onWatchStatusChange) { + host.onWatchStatusChange(ts.createCompilerDiagnostic(message), newLine, compilerOptions || optionsToExtendForConfigFile); + } + } + function hasChangedAutomaticTypeDirectiveNames() { + return resolutionCache.hasChangedAutomaticTypeDirectiveNames(); + } + function clearInvalidateResolutionsOfFailedLookupLocations() { + if (!timerToInvalidateFailedLookupResolutions) + return false; + host.clearTimeout(timerToInvalidateFailedLookupResolutions); + timerToInvalidateFailedLookupResolutions = undefined; + return true; + } + function scheduleInvalidateResolutionsOfFailedLookupLocations() { + if (!host.setTimeout || !host.clearTimeout) { + return resolutionCache.invalidateResolutionsOfFailedLookupLocations(); + } + var pending = clearInvalidateResolutionsOfFailedLookupLocations(); + writeLog("Scheduling invalidateFailedLookup".concat(pending ? ", Cancelled earlier one" : "")); + timerToInvalidateFailedLookupResolutions = host.setTimeout(invalidateResolutionsOfFailedLookup, 250); + } + function invalidateResolutionsOfFailedLookup() { + timerToInvalidateFailedLookupResolutions = undefined; + if (resolutionCache.invalidateResolutionsOfFailedLookupLocations()) { + scheduleProgramUpdate(); + } + } + // Upon detecting a file change, wait for 250ms and then perform a recompilation. This gives batch + // operations (such as saving all modified files in an editor) a chance to complete before we kick + // off a new compilation. + function scheduleProgramUpdate() { + if (!host.setTimeout || !host.clearTimeout) { + return; + } + if (timerToUpdateProgram) { + host.clearTimeout(timerToUpdateProgram); + } + writeLog("Scheduling update"); + timerToUpdateProgram = host.setTimeout(updateProgramWithWatchStatus, 250); + } + function scheduleProgramReload() { + ts.Debug.assert(!!configFileName); + reloadLevel = ts.ConfigFileProgramReloadLevel.Full; + scheduleProgramUpdate(); + } + function updateProgramWithWatchStatus() { + timerToUpdateProgram = undefined; + reportFileChangeDetectedOnCreateProgram = true; + updateProgram(); + } + function updateProgram() { + switch (reloadLevel) { + case ts.ConfigFileProgramReloadLevel.Partial: + ts.perfLogger.logStartUpdateProgram("PartialConfigReload"); + reloadFileNamesFromConfigFile(); + break; + case ts.ConfigFileProgramReloadLevel.Full: + ts.perfLogger.logStartUpdateProgram("FullConfigReload"); + reloadConfigFile(); + break; + default: + ts.perfLogger.logStartUpdateProgram("SynchronizeProgram"); + synchronizeProgram(); + break; + } + ts.perfLogger.logStopUpdateProgram("Done"); + return getCurrentBuilderProgram(); + } + function reloadFileNamesFromConfigFile() { + writeLog("Reloading new file names and options"); + reloadLevel = ts.ConfigFileProgramReloadLevel.None; + rootFileNames = ts.getFileNamesFromConfigSpecs(compilerOptions.configFile.configFileSpecs, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), currentDirectory), compilerOptions, parseConfigFileHost, extraFileExtensions); + if (ts.updateErrorForNoInputFiles(rootFileNames, ts.getNormalizedAbsolutePath(configFileName, currentDirectory), compilerOptions.configFile.configFileSpecs, configFileParsingDiagnostics, canConfigFileJsonReportNoInputFiles)) { + hasChangedConfigFileParsingErrors = true; + } + // Update the program + synchronizeProgram(); + } + function reloadConfigFile() { + writeLog("Reloading config file: ".concat(configFileName)); + reloadLevel = ts.ConfigFileProgramReloadLevel.None; + if (cachedDirectoryStructureHost) { + cachedDirectoryStructureHost.clearCache(); + } + parseConfigFile(); + hasChangedCompilerOptions = true; + synchronizeProgram(); + // Update the wild card directory watch + watchConfigFileWildCardDirectories(); + // Update extended config file watch + updateExtendedConfigFilesWatches(toPath(configFileName), compilerOptions, watchOptions, ts.WatchType.ExtendedConfigFile); + } + function parseConfigFile() { + setConfigFileParsingResult(ts.getParsedCommandLineOfConfigFile(configFileName, optionsToExtendForConfigFile, parseConfigFileHost, extendedConfigCache || (extendedConfigCache = new ts.Map()), watchOptionsToExtend, extraFileExtensions)); // TODO: GH#18217 + } + function setConfigFileParsingResult(configFileParseResult) { + rootFileNames = configFileParseResult.fileNames; + compilerOptions = configFileParseResult.options; + watchOptions = configFileParseResult.watchOptions; + projectReferences = configFileParseResult.projectReferences; + wildcardDirectories = configFileParseResult.wildcardDirectories; + configFileParsingDiagnostics = ts.getConfigFileParsingDiagnostics(configFileParseResult).slice(); + canConfigFileJsonReportNoInputFiles = ts.canJsonReportNoInputFiles(configFileParseResult.raw); + hasChangedConfigFileParsingErrors = true; + } + function getParsedCommandLine(configFileName) { + var configPath = toPath(configFileName); + var config = parsedConfigs === null || parsedConfigs === void 0 ? void 0 : parsedConfigs.get(configPath); + if (config) { + if (!config.reloadLevel) + return config.parsedCommandLine; + // With host implementing getParsedCommandLine we cant just update file names + if (config.parsedCommandLine && config.reloadLevel === ts.ConfigFileProgramReloadLevel.Partial && !host.getParsedCommandLine) { + writeLog("Reloading new file names and options"); + var fileNames = ts.getFileNamesFromConfigSpecs(config.parsedCommandLine.options.configFile.configFileSpecs, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), currentDirectory), compilerOptions, parseConfigFileHost); + config.parsedCommandLine = __assign(__assign({}, config.parsedCommandLine), { fileNames: fileNames }); + config.reloadLevel = undefined; + return config.parsedCommandLine; + } + } + writeLog("Loading config file: ".concat(configFileName)); + var parsedCommandLine = host.getParsedCommandLine ? + host.getParsedCommandLine(configFileName) : + getParsedCommandLineFromConfigFileHost(configFileName); + if (config) { + config.parsedCommandLine = parsedCommandLine; + config.reloadLevel = undefined; + } + else { + (parsedConfigs || (parsedConfigs = new ts.Map())).set(configPath, config = { parsedCommandLine: parsedCommandLine }); + } + watchReferencedProject(configFileName, configPath, config); + return parsedCommandLine; + } + function getParsedCommandLineFromConfigFileHost(configFileName) { + // Ignore the file absent errors + var onUnRecoverableConfigFileDiagnostic = parseConfigFileHost.onUnRecoverableConfigFileDiagnostic; + parseConfigFileHost.onUnRecoverableConfigFileDiagnostic = ts.noop; + var parsedCommandLine = ts.getParsedCommandLineOfConfigFile(configFileName, + /*optionsToExtend*/ undefined, parseConfigFileHost, extendedConfigCache || (extendedConfigCache = new ts.Map()), watchOptionsToExtend); + parseConfigFileHost.onUnRecoverableConfigFileDiagnostic = onUnRecoverableConfigFileDiagnostic; + return parsedCommandLine; + } + function onReleaseParsedCommandLine(fileName) { + var _a; + var path = toPath(fileName); + var config = parsedConfigs === null || parsedConfigs === void 0 ? void 0 : parsedConfigs.get(path); + if (!config) + return; + parsedConfigs.delete(path); + if (config.watchedDirectories) + ts.clearMap(config.watchedDirectories, ts.closeFileWatcherOf); + (_a = config.watcher) === null || _a === void 0 ? void 0 : _a.close(); + ts.clearSharedExtendedConfigFileWatcher(path, sharedExtendedConfigFileWatchers); + } + function watchFilePath(path, file, callback, pollingInterval, options, watchType) { + return watchFile(file, function (fileName, eventKind) { return callback(fileName, eventKind, path); }, pollingInterval, options, watchType); + } + function onSourceFileChange(fileName, eventKind, path) { + updateCachedSystemWithFile(fileName, path, eventKind); + // Update the source file cache + if (eventKind === ts.FileWatcherEventKind.Deleted && sourceFilesCache.has(path)) { + resolutionCache.invalidateResolutionOfFile(path); + } + nextSourceFileVersion(path); + // Update the program + scheduleProgramUpdate(); + } + function updateCachedSystemWithFile(fileName, path, eventKind) { + if (cachedDirectoryStructureHost) { + cachedDirectoryStructureHost.addOrDeleteFile(fileName, path, eventKind); + } + } + function watchMissingFilePath(missingFilePath) { + // If watching missing referenced config file, we are already watching it so no need for separate watcher + return (parsedConfigs === null || parsedConfigs === void 0 ? void 0 : parsedConfigs.has(missingFilePath)) ? + ts.noopFileWatcher : + watchFilePath(missingFilePath, missingFilePath, onMissingFileChange, ts.PollingInterval.Medium, watchOptions, ts.WatchType.MissingFile); + } + function watchPackageJsonLookupPath(packageJsonPath) { + // If the package.json is pulled into the compilation itself (eg, via json imports), don't add a second watcher here + return sourceFilesCache.has(packageJsonPath) ? + ts.noopFileWatcher : + watchFilePath(packageJsonPath, packageJsonPath, onPackageJsonChange, ts.PollingInterval.High, watchOptions, ts.WatchType.PackageJson); + } + function onPackageJsonChange(fileName, eventKind, path) { + updateCachedSystemWithFile(fileName, path, eventKind); + // package.json changes invalidate module resolution and can change the set of loaded files + // so if we witness a change to one, we have to do a full reload + reloadLevel = ts.ConfigFileProgramReloadLevel.Full; + changesAffectResolution = true; + // Update the program + scheduleProgramUpdate(); + } + function onMissingFileChange(fileName, eventKind, missingFilePath) { + updateCachedSystemWithFile(fileName, missingFilePath, eventKind); + if (eventKind === ts.FileWatcherEventKind.Created && missingFilesMap.has(missingFilePath)) { + missingFilesMap.get(missingFilePath).close(); + missingFilesMap.delete(missingFilePath); + // Delete the entry in the source files cache so that new source file is created + nextSourceFileVersion(missingFilePath); + // When a missing file is created, we should update the graph. + scheduleProgramUpdate(); + } + } + function watchConfigFileWildCardDirectories() { + if (wildcardDirectories) { + ts.updateWatchingWildcardDirectories(watchedWildcardDirectories || (watchedWildcardDirectories = new ts.Map()), new ts.Map(ts.getEntries(wildcardDirectories)), watchWildcardDirectory); + } + else if (watchedWildcardDirectories) { + ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcherOf); + } + } + function watchWildcardDirectory(directory, flags) { + return watchDirectory(directory, function (fileOrDirectory) { + ts.Debug.assert(!!configFileName); + var fileOrDirectoryPath = toPath(fileOrDirectory); + // Since the file existence changed, update the sourceFiles cache + if (cachedDirectoryStructureHost) { + cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath); + } + nextSourceFileVersion(fileOrDirectoryPath); + if (ts.isIgnoredFileFromWildCardWatching({ + watchedDirPath: toPath(directory), + fileOrDirectory: fileOrDirectory, + fileOrDirectoryPath: fileOrDirectoryPath, + configFileName: configFileName, + extraFileExtensions: extraFileExtensions, + options: compilerOptions, + program: getCurrentBuilderProgram() || rootFileNames, + currentDirectory: currentDirectory, + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + writeLog: writeLog, + toPath: toPath, + })) + return; + // Reload is pending, do the reload + if (reloadLevel !== ts.ConfigFileProgramReloadLevel.Full) { + reloadLevel = ts.ConfigFileProgramReloadLevel.Partial; + // Schedule Update the program + scheduleProgramUpdate(); + } + }, flags, watchOptions, ts.WatchType.WildcardDirectory); + } + function updateExtendedConfigFilesWatches(forProjectPath, options, watchOptions, watchType) { + ts.updateSharedExtendedConfigFileWatcher(forProjectPath, options, sharedExtendedConfigFileWatchers || (sharedExtendedConfigFileWatchers = new ts.Map()), function (extendedConfigFileName, extendedConfigFilePath) { return watchFile(extendedConfigFileName, function (_fileName, eventKind) { + var _a; + updateCachedSystemWithFile(extendedConfigFileName, extendedConfigFilePath, eventKind); + // Update extended config cache + if (extendedConfigCache) + ts.cleanExtendedConfigCache(extendedConfigCache, extendedConfigFilePath, toPath); + // Update projects + var projects = (_a = sharedExtendedConfigFileWatchers.get(extendedConfigFilePath)) === null || _a === void 0 ? void 0 : _a.projects; + // If there are no referenced projects this extended config file watcher depend on ignore + if (!(projects === null || projects === void 0 ? void 0 : projects.size)) + return; + projects.forEach(function (projectPath) { + if (toPath(configFileName) === projectPath) { + // If this is the config file of the project, reload completely + reloadLevel = ts.ConfigFileProgramReloadLevel.Full; + } + else { + // Reload config for the referenced projects and remove the resolutions from referenced projects since the config file changed + var config = parsedConfigs === null || parsedConfigs === void 0 ? void 0 : parsedConfigs.get(projectPath); + if (config) + config.reloadLevel = ts.ConfigFileProgramReloadLevel.Full; + resolutionCache.removeResolutionsFromProjectReferenceRedirects(projectPath); + } + scheduleProgramUpdate(); + }); + }, ts.PollingInterval.High, watchOptions, watchType); }, toPath); + } + function watchReferencedProject(configFileName, configPath, commandLine) { + var _a, _b, _c, _d, _e; + // Watch file + commandLine.watcher || (commandLine.watcher = watchFile(configFileName, function (_fileName, eventKind) { + updateCachedSystemWithFile(configFileName, configPath, eventKind); + var config = parsedConfigs === null || parsedConfigs === void 0 ? void 0 : parsedConfigs.get(configPath); + if (config) + config.reloadLevel = ts.ConfigFileProgramReloadLevel.Full; + resolutionCache.removeResolutionsFromProjectReferenceRedirects(configPath); + scheduleProgramUpdate(); + }, ts.PollingInterval.High, ((_a = commandLine.parsedCommandLine) === null || _a === void 0 ? void 0 : _a.watchOptions) || watchOptions, ts.WatchType.ConfigFileOfReferencedProject)); + // Watch Wild card + if ((_b = commandLine.parsedCommandLine) === null || _b === void 0 ? void 0 : _b.wildcardDirectories) { + ts.updateWatchingWildcardDirectories(commandLine.watchedDirectories || (commandLine.watchedDirectories = new ts.Map()), new ts.Map(ts.getEntries((_c = commandLine.parsedCommandLine) === null || _c === void 0 ? void 0 : _c.wildcardDirectories)), function (directory, flags) { + var _a; + return watchDirectory(directory, function (fileOrDirectory) { + var fileOrDirectoryPath = toPath(fileOrDirectory); + // Since the file existence changed, update the sourceFiles cache + if (cachedDirectoryStructureHost) { + cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath); + } + nextSourceFileVersion(fileOrDirectoryPath); + var config = parsedConfigs === null || parsedConfigs === void 0 ? void 0 : parsedConfigs.get(configPath); + if (!(config === null || config === void 0 ? void 0 : config.parsedCommandLine)) + return; + if (ts.isIgnoredFileFromWildCardWatching({ + watchedDirPath: toPath(directory), + fileOrDirectory: fileOrDirectory, + fileOrDirectoryPath: fileOrDirectoryPath, + configFileName: configFileName, + options: config.parsedCommandLine.options, + program: config.parsedCommandLine.fileNames, + currentDirectory: currentDirectory, + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + writeLog: writeLog, + toPath: toPath, + })) + return; + // Reload is pending, do the reload + if (config.reloadLevel !== ts.ConfigFileProgramReloadLevel.Full) { + config.reloadLevel = ts.ConfigFileProgramReloadLevel.Partial; + // Schedule Update the program + scheduleProgramUpdate(); + } + }, flags, ((_a = commandLine.parsedCommandLine) === null || _a === void 0 ? void 0 : _a.watchOptions) || watchOptions, ts.WatchType.WildcardDirectoryOfReferencedProject); + }); + } + else if (commandLine.watchedDirectories) { + ts.clearMap(commandLine.watchedDirectories, ts.closeFileWatcherOf); + commandLine.watchedDirectories = undefined; + } + // Watch extended config files + updateExtendedConfigFilesWatches(configPath, (_d = commandLine.parsedCommandLine) === null || _d === void 0 ? void 0 : _d.options, ((_e = commandLine.parsedCommandLine) === null || _e === void 0 ? void 0 : _e.watchOptions) || watchOptions, ts.WatchType.ExtendedConfigOfReferencedProject); + } + } + ts.createWatchProgram = createWatchProgram; +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var UpToDateStatusType; + (function (UpToDateStatusType) { + UpToDateStatusType[UpToDateStatusType["Unbuildable"] = 0] = "Unbuildable"; + UpToDateStatusType[UpToDateStatusType["UpToDate"] = 1] = "UpToDate"; + /** + * The project appears out of date because its upstream inputs are newer than its outputs, + * but all of its outputs are actually newer than the previous identical outputs of its (.d.ts) inputs. + * This means we can Pseudo-build (just touch timestamps), as if we had actually built this project. + */ + UpToDateStatusType[UpToDateStatusType["UpToDateWithUpstreamTypes"] = 2] = "UpToDateWithUpstreamTypes"; + /** + * The project appears out of date because its upstream inputs are newer than its outputs, + * but all of its outputs are actually newer than the previous identical outputs of its (.d.ts) inputs. + * This means we can Pseudo-build (just manipulate outputs), as if we had actually built this project. + */ + UpToDateStatusType[UpToDateStatusType["OutOfDateWithPrepend"] = 3] = "OutOfDateWithPrepend"; + UpToDateStatusType[UpToDateStatusType["OutputMissing"] = 4] = "OutputMissing"; + UpToDateStatusType[UpToDateStatusType["OutOfDateWithSelf"] = 5] = "OutOfDateWithSelf"; + UpToDateStatusType[UpToDateStatusType["OutOfDateWithUpstream"] = 6] = "OutOfDateWithUpstream"; + UpToDateStatusType[UpToDateStatusType["UpstreamOutOfDate"] = 7] = "UpstreamOutOfDate"; + UpToDateStatusType[UpToDateStatusType["UpstreamBlocked"] = 8] = "UpstreamBlocked"; + UpToDateStatusType[UpToDateStatusType["ComputingUpstream"] = 9] = "ComputingUpstream"; + UpToDateStatusType[UpToDateStatusType["TsVersionOutputOfDate"] = 10] = "TsVersionOutputOfDate"; + /** + * Projects with no outputs (i.e. "solution" files) + */ + UpToDateStatusType[UpToDateStatusType["ContainerOnly"] = 11] = "ContainerOnly"; + })(UpToDateStatusType = ts.UpToDateStatusType || (ts.UpToDateStatusType = {})); + function resolveConfigFileProjectName(project) { + if (ts.fileExtensionIs(project, ".json" /* Extension.Json */)) { + return project; + } + return ts.combinePaths(project, "tsconfig.json"); + } + ts.resolveConfigFileProjectName = resolveConfigFileProjectName; +})(ts || (ts = {})); +var ts; +(function (ts) { + var minimumDate = new Date(-8640000000000000); + var maximumDate = new Date(8640000000000000); + var BuildResultFlags; + (function (BuildResultFlags) { + BuildResultFlags[BuildResultFlags["None"] = 0] = "None"; + /** + * No errors of any kind occurred during build + */ + BuildResultFlags[BuildResultFlags["Success"] = 1] = "Success"; + /** + * None of the .d.ts files emitted by this build were + * different from the existing files on disk + */ + BuildResultFlags[BuildResultFlags["DeclarationOutputUnchanged"] = 2] = "DeclarationOutputUnchanged"; + BuildResultFlags[BuildResultFlags["ConfigFileErrors"] = 4] = "ConfigFileErrors"; + BuildResultFlags[BuildResultFlags["SyntaxErrors"] = 8] = "SyntaxErrors"; + BuildResultFlags[BuildResultFlags["TypeErrors"] = 16] = "TypeErrors"; + BuildResultFlags[BuildResultFlags["DeclarationEmitErrors"] = 32] = "DeclarationEmitErrors"; + BuildResultFlags[BuildResultFlags["EmitErrors"] = 64] = "EmitErrors"; + BuildResultFlags[BuildResultFlags["AnyErrors"] = 124] = "AnyErrors"; + })(BuildResultFlags || (BuildResultFlags = {})); + function getOrCreateValueFromConfigFileMap(configFileMap, resolved, createT) { + var existingValue = configFileMap.get(resolved); + var newValue; + if (!existingValue) { + newValue = createT(); + configFileMap.set(resolved, newValue); + } + return existingValue || newValue; + } + function getOrCreateValueMapFromConfigFileMap(configFileMap, resolved) { + return getOrCreateValueFromConfigFileMap(configFileMap, resolved, function () { return new ts.Map(); }); + } + function newer(date1, date2) { + return date2 > date1 ? date2 : date1; + } + /*@internal*/ + function isCircularBuildOrder(buildOrder) { + return !!buildOrder && !!buildOrder.buildOrder; + } + ts.isCircularBuildOrder = isCircularBuildOrder; + /*@internal*/ + function getBuildOrderFromAnyBuildOrder(anyBuildOrder) { + return isCircularBuildOrder(anyBuildOrder) ? anyBuildOrder.buildOrder : anyBuildOrder; + } + ts.getBuildOrderFromAnyBuildOrder = getBuildOrderFromAnyBuildOrder; + /** + * Create a function that reports watch status by writing to the system and handles the formating of the diagnostic + */ + function createBuilderStatusReporter(system, pretty) { + return function (diagnostic) { + var output = pretty ? "[".concat(ts.formatColorAndReset(ts.getLocaleTimeString(system), ts.ForegroundColorEscapeSequences.Grey), "] ") : "".concat(ts.getLocaleTimeString(system), " - "); + output += "".concat(ts.flattenDiagnosticMessageText(diagnostic.messageText, system.newLine)).concat(system.newLine + system.newLine); + system.write(output); + }; + } + ts.createBuilderStatusReporter = createBuilderStatusReporter; + function createSolutionBuilderHostBase(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus) { + var host = ts.createProgramHost(system, createProgram); + host.getModifiedTime = system.getModifiedTime ? function (path) { return system.getModifiedTime(path); } : ts.returnUndefined; + host.setModifiedTime = system.setModifiedTime ? function (path, date) { return system.setModifiedTime(path, date); } : ts.noop; + host.deleteFile = system.deleteFile ? function (path) { return system.deleteFile(path); } : ts.noop; + host.reportDiagnostic = reportDiagnostic || ts.createDiagnosticReporter(system); + host.reportSolutionBuilderStatus = reportSolutionBuilderStatus || createBuilderStatusReporter(system); + host.now = ts.maybeBind(system, system.now); // For testing + return host; + } + function createSolutionBuilderHost(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus, reportErrorSummary) { + if (system === void 0) { system = ts.sys; } + var host = createSolutionBuilderHostBase(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus); + host.reportErrorSummary = reportErrorSummary; + return host; + } + ts.createSolutionBuilderHost = createSolutionBuilderHost; + function createSolutionBuilderWithWatchHost(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus, reportWatchStatus) { + if (system === void 0) { system = ts.sys; } + var host = createSolutionBuilderHostBase(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus); + var watchHost = ts.createWatchHost(system, reportWatchStatus); + ts.copyProperties(host, watchHost); + return host; + } + ts.createSolutionBuilderWithWatchHost = createSolutionBuilderWithWatchHost; + function getCompilerOptionsOfBuildOptions(buildOptions) { + var result = {}; + ts.commonOptionsWithBuild.forEach(function (option) { + if (ts.hasProperty(buildOptions, option.name)) + result[option.name] = buildOptions[option.name]; + }); + return result; + } + function createSolutionBuilder(host, rootNames, defaultOptions) { + return createSolutionBuilderWorker(/*watch*/ false, host, rootNames, defaultOptions); + } + ts.createSolutionBuilder = createSolutionBuilder; + function createSolutionBuilderWithWatch(host, rootNames, defaultOptions, baseWatchOptions) { + return createSolutionBuilderWorker(/*watch*/ true, host, rootNames, defaultOptions, baseWatchOptions); + } + ts.createSolutionBuilderWithWatch = createSolutionBuilderWithWatch; + function createSolutionBuilderState(watch, hostOrHostWithWatch, rootNames, options, baseWatchOptions) { + var host = hostOrHostWithWatch; + var hostWithWatch = hostOrHostWithWatch; + var currentDirectory = host.getCurrentDirectory(); + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames()); + // State of the solution + var baseCompilerOptions = getCompilerOptionsOfBuildOptions(options); + var compilerHost = ts.createCompilerHostFromProgramHost(host, function () { return state.projectCompilerOptions; }); + ts.setGetSourceFileAsHashVersioned(compilerHost, host); + compilerHost.getParsedCommandLine = function (fileName) { return parseConfigFile(state, fileName, toResolvedConfigFilePath(state, fileName)); }; + compilerHost.resolveModuleNames = ts.maybeBind(host, host.resolveModuleNames); + compilerHost.resolveTypeReferenceDirectives = ts.maybeBind(host, host.resolveTypeReferenceDirectives); + var moduleResolutionCache = !compilerHost.resolveModuleNames ? ts.createModuleResolutionCache(currentDirectory, getCanonicalFileName) : undefined; + var typeReferenceDirectiveResolutionCache = !compilerHost.resolveTypeReferenceDirectives ? ts.createTypeReferenceDirectiveResolutionCache(currentDirectory, getCanonicalFileName, /*options*/ undefined, moduleResolutionCache === null || moduleResolutionCache === void 0 ? void 0 : moduleResolutionCache.getPackageJsonInfoCache()) : undefined; + if (!compilerHost.resolveModuleNames) { + var loader_3 = function (moduleName, resolverMode, containingFile, redirectedReference) { return ts.resolveModuleName(moduleName, containingFile, state.projectCompilerOptions, compilerHost, moduleResolutionCache, redirectedReference, resolverMode).resolvedModule; }; + compilerHost.resolveModuleNames = function (moduleNames, containingFile, _reusedNames, redirectedReference, _options, containingSourceFile) { + return ts.loadWithModeAwareCache(ts.Debug.checkEachDefined(moduleNames), ts.Debug.checkDefined(containingSourceFile), containingFile, redirectedReference, loader_3); + }; + compilerHost.getModuleResolutionCache = function () { return moduleResolutionCache; }; + } + if (!compilerHost.resolveTypeReferenceDirectives) { + var loader_4 = function (moduleName, containingFile, redirectedReference, containingFileMode) { return ts.resolveTypeReferenceDirective(moduleName, containingFile, state.projectCompilerOptions, compilerHost, redirectedReference, state.typeReferenceDirectiveResolutionCache, containingFileMode).resolvedTypeReferenceDirective; }; + compilerHost.resolveTypeReferenceDirectives = function (typeReferenceDirectiveNames, containingFile, redirectedReference, _options, containingFileMode) { + return ts.loadWithTypeDirectiveCache(ts.Debug.checkEachDefined(typeReferenceDirectiveNames), containingFile, redirectedReference, containingFileMode, loader_4); + }; + } + var _a = ts.createWatchFactory(hostWithWatch, options), watchFile = _a.watchFile, watchDirectory = _a.watchDirectory, writeLog = _a.writeLog; + var state = { + host: host, + hostWithWatch: hostWithWatch, + currentDirectory: currentDirectory, + getCanonicalFileName: getCanonicalFileName, + parseConfigFileHost: ts.parseConfigHostFromCompilerHostLike(host), + write: ts.maybeBind(host, host.trace), + // State of solution + options: options, + baseCompilerOptions: baseCompilerOptions, + rootNames: rootNames, + baseWatchOptions: baseWatchOptions, + resolvedConfigFilePaths: new ts.Map(), + configFileCache: new ts.Map(), + projectStatus: new ts.Map(), + buildInfoChecked: new ts.Map(), + extendedConfigCache: new ts.Map(), + builderPrograms: new ts.Map(), + diagnostics: new ts.Map(), + projectPendingBuild: new ts.Map(), + projectErrorsReported: new ts.Map(), + compilerHost: compilerHost, + moduleResolutionCache: moduleResolutionCache, + typeReferenceDirectiveResolutionCache: typeReferenceDirectiveResolutionCache, + // Mutable state + buildOrder: undefined, + readFileWithCache: function (f) { return host.readFile(f); }, + projectCompilerOptions: baseCompilerOptions, + cache: undefined, + allProjectBuildPending: true, + needsSummary: true, + watchAllProjectsPending: watch, + currentInvalidatedProject: undefined, + // Watch state + watch: watch, + allWatchedWildcardDirectories: new ts.Map(), + allWatchedInputFiles: new ts.Map(), + allWatchedConfigFiles: new ts.Map(), + allWatchedExtendedConfigFiles: new ts.Map(), + allWatchedPackageJsonFiles: new ts.Map(), + lastCachedPackageJsonLookups: new ts.Map(), + timerToBuildInvalidatedProject: undefined, + reportFileChangeDetected: false, + watchFile: watchFile, + watchDirectory: watchDirectory, + writeLog: writeLog, + }; + return state; + } + function toPath(state, fileName) { + return ts.toPath(fileName, state.currentDirectory, state.getCanonicalFileName); + } + function toResolvedConfigFilePath(state, fileName) { + var resolvedConfigFilePaths = state.resolvedConfigFilePaths; + var path = resolvedConfigFilePaths.get(fileName); + if (path !== undefined) + return path; + var resolvedPath = toPath(state, fileName); + resolvedConfigFilePaths.set(fileName, resolvedPath); + return resolvedPath; + } + function isParsedCommandLine(entry) { + return !!entry.options; + } + function getCachedParsedConfigFile(state, configFilePath) { + var value = state.configFileCache.get(configFilePath); + return value && isParsedCommandLine(value) ? value : undefined; + } + function parseConfigFile(state, configFileName, configFilePath) { + var configFileCache = state.configFileCache; + var value = configFileCache.get(configFilePath); + if (value) { + return isParsedCommandLine(value) ? value : undefined; + } + var diagnostic; + var parseConfigFileHost = state.parseConfigFileHost, baseCompilerOptions = state.baseCompilerOptions, baseWatchOptions = state.baseWatchOptions, extendedConfigCache = state.extendedConfigCache, host = state.host; + var parsed; + if (host.getParsedCommandLine) { + parsed = host.getParsedCommandLine(configFileName); + if (!parsed) + diagnostic = ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, configFileName); + } + else { + parseConfigFileHost.onUnRecoverableConfigFileDiagnostic = function (d) { return diagnostic = d; }; + parsed = ts.getParsedCommandLineOfConfigFile(configFileName, baseCompilerOptions, parseConfigFileHost, extendedConfigCache, baseWatchOptions); + parseConfigFileHost.onUnRecoverableConfigFileDiagnostic = ts.noop; + } + configFileCache.set(configFilePath, parsed || diagnostic); + return parsed; + } + function resolveProjectName(state, name) { + return ts.resolveConfigFileProjectName(ts.resolvePath(state.currentDirectory, name)); + } + function createBuildOrder(state, roots) { + var temporaryMarks = new ts.Map(); + var permanentMarks = new ts.Map(); + var circularityReportStack = []; + var buildOrder; + var circularDiagnostics; + for (var _i = 0, roots_1 = roots; _i < roots_1.length; _i++) { + var root = roots_1[_i]; + visit(root); + } + return circularDiagnostics ? + { buildOrder: buildOrder || ts.emptyArray, circularDiagnostics: circularDiagnostics } : + buildOrder || ts.emptyArray; + function visit(configFileName, inCircularContext) { + var projPath = toResolvedConfigFilePath(state, configFileName); + // Already visited + if (permanentMarks.has(projPath)) + return; + // Circular + if (temporaryMarks.has(projPath)) { + if (!inCircularContext) { + (circularDiagnostics || (circularDiagnostics = [])).push(ts.createCompilerDiagnostic(ts.Diagnostics.Project_references_may_not_form_a_circular_graph_Cycle_detected_Colon_0, circularityReportStack.join("\r\n"))); + } + return; + } + temporaryMarks.set(projPath, true); + circularityReportStack.push(configFileName); + var parsed = parseConfigFile(state, configFileName, projPath); + if (parsed && parsed.projectReferences) { + for (var _i = 0, _a = parsed.projectReferences; _i < _a.length; _i++) { + var ref = _a[_i]; + var resolvedRefPath = resolveProjectName(state, ref.path); + visit(resolvedRefPath, inCircularContext || ref.circular); + } + } + circularityReportStack.pop(); + permanentMarks.set(projPath, true); + (buildOrder || (buildOrder = [])).push(configFileName); + } + } + function getBuildOrder(state) { + return state.buildOrder || createStateBuildOrder(state); + } + function createStateBuildOrder(state) { + var buildOrder = createBuildOrder(state, state.rootNames.map(function (f) { return resolveProjectName(state, f); })); + // Clear all to ResolvedConfigFilePaths cache to start fresh + state.resolvedConfigFilePaths.clear(); + // TODO(rbuckton): Should be a `Set`, but that requires changing the code below that uses `mutateMapSkippingNewValues` + var currentProjects = new ts.Map(getBuildOrderFromAnyBuildOrder(buildOrder).map(function (resolved) { return [toResolvedConfigFilePath(state, resolved), true]; })); + var noopOnDelete = { onDeleteValue: ts.noop }; + // Config file cache + ts.mutateMapSkippingNewValues(state.configFileCache, currentProjects, noopOnDelete); + ts.mutateMapSkippingNewValues(state.projectStatus, currentProjects, noopOnDelete); + ts.mutateMapSkippingNewValues(state.buildInfoChecked, currentProjects, noopOnDelete); + ts.mutateMapSkippingNewValues(state.builderPrograms, currentProjects, noopOnDelete); + ts.mutateMapSkippingNewValues(state.diagnostics, currentProjects, noopOnDelete); + ts.mutateMapSkippingNewValues(state.projectPendingBuild, currentProjects, noopOnDelete); + ts.mutateMapSkippingNewValues(state.projectErrorsReported, currentProjects, noopOnDelete); + // Remove watches for the program no longer in the solution + if (state.watch) { + ts.mutateMapSkippingNewValues(state.allWatchedConfigFiles, currentProjects, { onDeleteValue: ts.closeFileWatcher }); + state.allWatchedExtendedConfigFiles.forEach(function (watcher) { + watcher.projects.forEach(function (project) { + if (!currentProjects.has(project)) { + watcher.projects.delete(project); + } + }); + watcher.close(); + }); + ts.mutateMapSkippingNewValues(state.allWatchedWildcardDirectories, currentProjects, { onDeleteValue: function (existingMap) { return existingMap.forEach(ts.closeFileWatcherOf); } }); + ts.mutateMapSkippingNewValues(state.allWatchedInputFiles, currentProjects, { onDeleteValue: function (existingMap) { return existingMap.forEach(ts.closeFileWatcher); } }); + ts.mutateMapSkippingNewValues(state.allWatchedPackageJsonFiles, currentProjects, { onDeleteValue: function (existingMap) { return existingMap.forEach(ts.closeFileWatcher); } }); + } + return state.buildOrder = buildOrder; + } + function getBuildOrderFor(state, project, onlyReferences) { + var resolvedProject = project && resolveProjectName(state, project); + var buildOrderFromState = getBuildOrder(state); + if (isCircularBuildOrder(buildOrderFromState)) + return buildOrderFromState; + if (resolvedProject) { + var projectPath_1 = toResolvedConfigFilePath(state, resolvedProject); + var projectIndex = ts.findIndex(buildOrderFromState, function (configFileName) { return toResolvedConfigFilePath(state, configFileName) === projectPath_1; }); + if (projectIndex === -1) + return undefined; + } + var buildOrder = resolvedProject ? createBuildOrder(state, [resolvedProject]) : buildOrderFromState; + ts.Debug.assert(!isCircularBuildOrder(buildOrder)); + ts.Debug.assert(!onlyReferences || resolvedProject !== undefined); + ts.Debug.assert(!onlyReferences || buildOrder[buildOrder.length - 1] === resolvedProject); + return onlyReferences ? buildOrder.slice(0, buildOrder.length - 1) : buildOrder; + } + function enableCache(state) { + if (state.cache) { + disableCache(state); + } + var compilerHost = state.compilerHost, host = state.host; + var originalReadFileWithCache = state.readFileWithCache; + var originalGetSourceFile = compilerHost.getSourceFile; + var _a = ts.changeCompilerHostLikeToUseCache(host, function (fileName) { return toPath(state, fileName); }, function () { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + return originalGetSourceFile.call.apply(originalGetSourceFile, __spreadArray([compilerHost], args, false)); + }), originalReadFile = _a.originalReadFile, originalFileExists = _a.originalFileExists, originalDirectoryExists = _a.originalDirectoryExists, originalCreateDirectory = _a.originalCreateDirectory, originalWriteFile = _a.originalWriteFile, getSourceFileWithCache = _a.getSourceFileWithCache, readFileWithCache = _a.readFileWithCache; + state.readFileWithCache = readFileWithCache; + compilerHost.getSourceFile = getSourceFileWithCache; + state.cache = { + originalReadFile: originalReadFile, + originalFileExists: originalFileExists, + originalDirectoryExists: originalDirectoryExists, + originalCreateDirectory: originalCreateDirectory, + originalWriteFile: originalWriteFile, + originalReadFileWithCache: originalReadFileWithCache, + originalGetSourceFile: originalGetSourceFile, + }; + } + function disableCache(state) { + if (!state.cache) + return; + var cache = state.cache, host = state.host, compilerHost = state.compilerHost, extendedConfigCache = state.extendedConfigCache, moduleResolutionCache = state.moduleResolutionCache, typeReferenceDirectiveResolutionCache = state.typeReferenceDirectiveResolutionCache; + host.readFile = cache.originalReadFile; + host.fileExists = cache.originalFileExists; + host.directoryExists = cache.originalDirectoryExists; + host.createDirectory = cache.originalCreateDirectory; + host.writeFile = cache.originalWriteFile; + compilerHost.getSourceFile = cache.originalGetSourceFile; + state.readFileWithCache = cache.originalReadFileWithCache; + extendedConfigCache.clear(); + moduleResolutionCache === null || moduleResolutionCache === void 0 ? void 0 : moduleResolutionCache.clear(); + typeReferenceDirectiveResolutionCache === null || typeReferenceDirectiveResolutionCache === void 0 ? void 0 : typeReferenceDirectiveResolutionCache.clear(); + state.cache = undefined; + } + function clearProjectStatus(state, resolved) { + state.projectStatus.delete(resolved); + state.diagnostics.delete(resolved); + } + function addProjToQueue(_a, proj, reloadLevel) { + var projectPendingBuild = _a.projectPendingBuild; + var value = projectPendingBuild.get(proj); + if (value === undefined) { + projectPendingBuild.set(proj, reloadLevel); + } + else if (value < reloadLevel) { + projectPendingBuild.set(proj, reloadLevel); + } + } + function setupInitialBuild(state, cancellationToken) { + // Set initial build if not already built + if (!state.allProjectBuildPending) + return; + state.allProjectBuildPending = false; + if (state.options.watch) + reportWatchStatus(state, ts.Diagnostics.Starting_compilation_in_watch_mode); + enableCache(state); + var buildOrder = getBuildOrderFromAnyBuildOrder(getBuildOrder(state)); + buildOrder.forEach(function (configFileName) { + return state.projectPendingBuild.set(toResolvedConfigFilePath(state, configFileName), ts.ConfigFileProgramReloadLevel.None); + }); + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); + } + } + var InvalidatedProjectKind; + (function (InvalidatedProjectKind) { + InvalidatedProjectKind[InvalidatedProjectKind["Build"] = 0] = "Build"; + InvalidatedProjectKind[InvalidatedProjectKind["UpdateBundle"] = 1] = "UpdateBundle"; + InvalidatedProjectKind[InvalidatedProjectKind["UpdateOutputFileStamps"] = 2] = "UpdateOutputFileStamps"; + })(InvalidatedProjectKind = ts.InvalidatedProjectKind || (ts.InvalidatedProjectKind = {})); + function doneInvalidatedProject(state, projectPath) { + state.projectPendingBuild.delete(projectPath); + state.currentInvalidatedProject = undefined; + return state.diagnostics.has(projectPath) ? + ts.ExitStatus.DiagnosticsPresent_OutputsSkipped : + ts.ExitStatus.Success; + } + function createUpdateOutputFileStampsProject(state, project, projectPath, config, buildOrder) { + var updateOutputFileStampsPending = true; + return { + kind: InvalidatedProjectKind.UpdateOutputFileStamps, + project: project, + projectPath: projectPath, + buildOrder: buildOrder, + getCompilerOptions: function () { return config.options; }, + getCurrentDirectory: function () { return state.currentDirectory; }, + updateOutputFileStatmps: function () { + updateOutputTimestamps(state, config, projectPath); + updateOutputFileStampsPending = false; + }, + done: function () { + if (updateOutputFileStampsPending) { + updateOutputTimestamps(state, config, projectPath); + } + return doneInvalidatedProject(state, projectPath); + } + }; + } + var BuildStep; + (function (BuildStep) { + BuildStep[BuildStep["CreateProgram"] = 0] = "CreateProgram"; + BuildStep[BuildStep["SyntaxDiagnostics"] = 1] = "SyntaxDiagnostics"; + BuildStep[BuildStep["SemanticDiagnostics"] = 2] = "SemanticDiagnostics"; + BuildStep[BuildStep["Emit"] = 3] = "Emit"; + BuildStep[BuildStep["EmitBundle"] = 4] = "EmitBundle"; + BuildStep[BuildStep["EmitBuildInfo"] = 5] = "EmitBuildInfo"; + BuildStep[BuildStep["BuildInvalidatedProjectOfBundle"] = 6] = "BuildInvalidatedProjectOfBundle"; + BuildStep[BuildStep["QueueReferencingProjects"] = 7] = "QueueReferencingProjects"; + BuildStep[BuildStep["Done"] = 8] = "Done"; + })(BuildStep || (BuildStep = {})); + function createBuildOrUpdateInvalidedProject(kind, state, project, projectPath, projectIndex, config, buildOrder) { + var step = kind === InvalidatedProjectKind.Build ? BuildStep.CreateProgram : BuildStep.EmitBundle; + var program; + var buildResult; + var invalidatedProjectOfBundle; + return kind === InvalidatedProjectKind.Build ? + { + kind: kind, + project: project, + projectPath: projectPath, + buildOrder: buildOrder, + getCompilerOptions: function () { return config.options; }, + getCurrentDirectory: function () { return state.currentDirectory; }, + getBuilderProgram: function () { return withProgramOrUndefined(ts.identity); }, + getProgram: function () { + return withProgramOrUndefined(function (program) { return program.getProgramOrUndefined(); }); + }, + getSourceFile: function (fileName) { + return withProgramOrUndefined(function (program) { return program.getSourceFile(fileName); }); + }, + getSourceFiles: function () { + return withProgramOrEmptyArray(function (program) { return program.getSourceFiles(); }); + }, + getOptionsDiagnostics: function (cancellationToken) { + return withProgramOrEmptyArray(function (program) { return program.getOptionsDiagnostics(cancellationToken); }); + }, + getGlobalDiagnostics: function (cancellationToken) { + return withProgramOrEmptyArray(function (program) { return program.getGlobalDiagnostics(cancellationToken); }); + }, + getConfigFileParsingDiagnostics: function () { + return withProgramOrEmptyArray(function (program) { return program.getConfigFileParsingDiagnostics(); }); + }, + getSyntacticDiagnostics: function (sourceFile, cancellationToken) { + return withProgramOrEmptyArray(function (program) { return program.getSyntacticDiagnostics(sourceFile, cancellationToken); }); + }, + getAllDependencies: function (sourceFile) { + return withProgramOrEmptyArray(function (program) { return program.getAllDependencies(sourceFile); }); + }, + getSemanticDiagnostics: function (sourceFile, cancellationToken) { + return withProgramOrEmptyArray(function (program) { return program.getSemanticDiagnostics(sourceFile, cancellationToken); }); + }, + getSemanticDiagnosticsOfNextAffectedFile: function (cancellationToken, ignoreSourceFile) { + return withProgramOrUndefined(function (program) { + return (program.getSemanticDiagnosticsOfNextAffectedFile) && + program.getSemanticDiagnosticsOfNextAffectedFile(cancellationToken, ignoreSourceFile); + }); + }, + emit: function (targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) { + if (targetSourceFile || emitOnlyDtsFiles) { + return withProgramOrUndefined(function (program) { var _a, _b; return program.emit(targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers || ((_b = (_a = state.host).getCustomTransformers) === null || _b === void 0 ? void 0 : _b.call(_a, project))); }); + } + executeSteps(BuildStep.SemanticDiagnostics, cancellationToken); + if (step === BuildStep.EmitBuildInfo) { + return emitBuildInfo(writeFile, cancellationToken); + } + if (step !== BuildStep.Emit) + return undefined; + return emit(writeFile, cancellationToken, customTransformers); + }, + done: done + } : + { + kind: kind, + project: project, + projectPath: projectPath, + buildOrder: buildOrder, + getCompilerOptions: function () { return config.options; }, + getCurrentDirectory: function () { return state.currentDirectory; }, + emit: function (writeFile, customTransformers) { + if (step !== BuildStep.EmitBundle) + return invalidatedProjectOfBundle; + return emitBundle(writeFile, customTransformers); + }, + done: done, + }; + function done(cancellationToken, writeFile, customTransformers) { + executeSteps(BuildStep.Done, cancellationToken, writeFile, customTransformers); + return doneInvalidatedProject(state, projectPath); + } + function withProgramOrUndefined(action) { + executeSteps(BuildStep.CreateProgram); + return program && action(program); + } + function withProgramOrEmptyArray(action) { + return withProgramOrUndefined(action) || ts.emptyArray; + } + function createProgram() { + var _a, _b; + ts.Debug.assert(program === undefined); + if (state.options.dry) { + reportStatus(state, ts.Diagnostics.A_non_dry_build_would_build_project_0, project); + buildResult = BuildResultFlags.Success; + step = BuildStep.QueueReferencingProjects; + return; + } + if (state.options.verbose) + reportStatus(state, ts.Diagnostics.Building_project_0, project); + if (config.fileNames.length === 0) { + reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config)); + // Nothing to build - must be a solution file, basically + buildResult = BuildResultFlags.None; + step = BuildStep.QueueReferencingProjects; + return; + } + var host = state.host, compilerHost = state.compilerHost; + state.projectCompilerOptions = config.options; + // Update module resolution cache if needed + (_a = state.moduleResolutionCache) === null || _a === void 0 ? void 0 : _a.update(config.options); + (_b = state.typeReferenceDirectiveResolutionCache) === null || _b === void 0 ? void 0 : _b.update(config.options); + // Create program + program = host.createProgram(config.fileNames, config.options, compilerHost, getOldProgram(state, projectPath, config), ts.getConfigFileParsingDiagnostics(config), config.projectReferences); + if (state.watch) { + state.lastCachedPackageJsonLookups.set(projectPath, state.moduleResolutionCache && ts.map(state.moduleResolutionCache.getPackageJsonInfoCache().entries(), function (_a) { + var path = _a[0], data = _a[1]; + return [state.host.realpath && data ? toPath(state, state.host.realpath(path)) : path, data]; + })); + state.builderPrograms.set(projectPath, program); + } + step++; + } + function handleDiagnostics(diagnostics, errorFlags, errorType) { + var _a; + if (diagnostics.length) { + (_a = buildErrors(state, projectPath, program, config, diagnostics, errorFlags, errorType), buildResult = _a.buildResult, step = _a.step); + } + else { + step++; + } + } + function getSyntaxDiagnostics(cancellationToken) { + ts.Debug.assertIsDefined(program); + handleDiagnostics(__spreadArray(__spreadArray(__spreadArray(__spreadArray([], program.getConfigFileParsingDiagnostics(), true), program.getOptionsDiagnostics(cancellationToken), true), program.getGlobalDiagnostics(cancellationToken), true), program.getSyntacticDiagnostics(/*sourceFile*/ undefined, cancellationToken), true), BuildResultFlags.SyntaxErrors, "Syntactic"); + } + function getSemanticDiagnostics(cancellationToken) { + handleDiagnostics(ts.Debug.checkDefined(program).getSemanticDiagnostics(/*sourceFile*/ undefined, cancellationToken), BuildResultFlags.TypeErrors, "Semantic"); + } + function emit(writeFileCallback, cancellationToken, customTransformers) { + var _a; + var _b, _c; + ts.Debug.assertIsDefined(program); + ts.Debug.assert(step === BuildStep.Emit); + // Before emitting lets backup state, so we can revert it back if there are declaration errors to handle emit and declaration errors correctly + program.backupState(); + var declDiagnostics; + var reportDeclarationDiagnostics = function (d) { return (declDiagnostics || (declDiagnostics = [])).push(d); }; + var outputFiles = []; + var emitResult = ts.emitFilesAndReportErrors(program, reportDeclarationDiagnostics, + /*write*/ undefined, + /*reportSummary*/ undefined, function (name, text, writeByteOrderMark) { return outputFiles.push({ name: name, text: text, writeByteOrderMark: writeByteOrderMark }); }, cancellationToken, + /*emitOnlyDts*/ false, customTransformers || ((_c = (_b = state.host).getCustomTransformers) === null || _c === void 0 ? void 0 : _c.call(_b, project))).emitResult; + // Don't emit .d.ts if there are decl file errors + if (declDiagnostics) { + program.restoreState(); + (_a = buildErrors(state, projectPath, program, config, declDiagnostics, BuildResultFlags.DeclarationEmitErrors, "Declaration file"), buildResult = _a.buildResult, step = _a.step); + return { + emitSkipped: true, + diagnostics: emitResult.diagnostics + }; + } + // Actual Emit + var host = state.host, compilerHost = state.compilerHost; + var resultFlags = BuildResultFlags.DeclarationOutputUnchanged; + var newestDeclarationFileContentChangedTime = minimumDate; + var anyDtsChanged = false; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var emittedOutputs = new ts.Map(); + outputFiles.forEach(function (_a) { + var name = _a.name, text = _a.text, writeByteOrderMark = _a.writeByteOrderMark; + var priorChangeTime; + if (!anyDtsChanged && ts.isDeclarationFileName(name)) { + // Check for unchanged .d.ts files + if (host.fileExists(name) && state.readFileWithCache(name) === text) { + priorChangeTime = host.getModifiedTime(name); + } + else { + resultFlags &= ~BuildResultFlags.DeclarationOutputUnchanged; + anyDtsChanged = true; + } + } + emittedOutputs.set(toPath(state, name), name); + ts.writeFile(writeFileCallback ? { writeFile: writeFileCallback } : compilerHost, emitterDiagnostics, name, text, writeByteOrderMark); + if (priorChangeTime !== undefined) { + newestDeclarationFileContentChangedTime = newer(priorChangeTime, newestDeclarationFileContentChangedTime); + } + }); + finishEmit(emitterDiagnostics, emittedOutputs, newestDeclarationFileContentChangedTime, + /*newestDeclarationFileContentChangedTimeIsMaximumDate*/ anyDtsChanged, outputFiles.length ? outputFiles[0].name : ts.getFirstProjectOutput(config, !host.useCaseSensitiveFileNames()), resultFlags); + return emitResult; + } + function emitBuildInfo(writeFileCallback, cancellationToken) { + ts.Debug.assertIsDefined(program); + ts.Debug.assert(step === BuildStep.EmitBuildInfo); + var emitResult = program.emitBuildInfo(writeFileCallback, cancellationToken); + if (emitResult.diagnostics.length) { + reportErrors(state, emitResult.diagnostics); + state.diagnostics.set(projectPath, __spreadArray(__spreadArray([], state.diagnostics.get(projectPath), true), emitResult.diagnostics, true)); + buildResult = BuildResultFlags.EmitErrors & buildResult; + } + if (emitResult.emittedFiles && state.write) { + emitResult.emittedFiles.forEach(function (name) { return listEmittedFile(state, config, name); }); + } + afterProgramDone(state, program, config); + step = BuildStep.QueueReferencingProjects; + return emitResult; + } + function finishEmit(emitterDiagnostics, emittedOutputs, priorNewestUpdateTime, newestDeclarationFileContentChangedTimeIsMaximumDate, oldestOutputFileName, resultFlags) { + var _a; + var emitDiagnostics = emitterDiagnostics.getDiagnostics(); + if (emitDiagnostics.length) { + (_a = buildErrors(state, projectPath, program, config, emitDiagnostics, BuildResultFlags.EmitErrors, "Emit"), buildResult = _a.buildResult, step = _a.step); + return emitDiagnostics; + } + if (state.write) { + emittedOutputs.forEach(function (name) { return listEmittedFile(state, config, name); }); + } + // Update time stamps for rest of the outputs + var newestDeclarationFileContentChangedTime = updateOutputTimestampsWorker(state, config, priorNewestUpdateTime, ts.Diagnostics.Updating_unchanged_output_timestamps_of_project_0, emittedOutputs); + state.diagnostics.delete(projectPath); + state.projectStatus.set(projectPath, { + type: ts.UpToDateStatusType.UpToDate, + newestDeclarationFileContentChangedTime: newestDeclarationFileContentChangedTimeIsMaximumDate ? + maximumDate : + newestDeclarationFileContentChangedTime, + oldestOutputFileName: oldestOutputFileName + }); + afterProgramDone(state, program, config); + step = BuildStep.QueueReferencingProjects; + buildResult = resultFlags; + return emitDiagnostics; + } + function emitBundle(writeFileCallback, customTransformers) { + var _a, _b; + ts.Debug.assert(kind === InvalidatedProjectKind.UpdateBundle); + if (state.options.dry) { + reportStatus(state, ts.Diagnostics.A_non_dry_build_would_update_output_of_project_0, project); + buildResult = BuildResultFlags.Success; + step = BuildStep.QueueReferencingProjects; + return undefined; + } + if (state.options.verbose) + reportStatus(state, ts.Diagnostics.Updating_output_of_project_0, project); + // Update js, and source map + var compilerHost = state.compilerHost; + state.projectCompilerOptions = config.options; + var outputFiles = ts.emitUsingBuildInfo(config, compilerHost, function (ref) { + var refName = resolveProjectName(state, ref.path); + return parseConfigFile(state, refName, toResolvedConfigFilePath(state, refName)); + }, customTransformers || ((_b = (_a = state.host).getCustomTransformers) === null || _b === void 0 ? void 0 : _b.call(_a, project))); + if (ts.isString(outputFiles)) { + reportStatus(state, ts.Diagnostics.Cannot_update_output_of_project_0_because_there_was_error_reading_file_1, project, relName(state, outputFiles)); + step = BuildStep.BuildInvalidatedProjectOfBundle; + return invalidatedProjectOfBundle = createBuildOrUpdateInvalidedProject(InvalidatedProjectKind.Build, state, project, projectPath, projectIndex, config, buildOrder); + } + // Actual Emit + ts.Debug.assert(!!outputFiles.length); + var emitterDiagnostics = ts.createDiagnosticCollection(); + var emittedOutputs = new ts.Map(); + outputFiles.forEach(function (_a) { + var name = _a.name, text = _a.text, writeByteOrderMark = _a.writeByteOrderMark; + emittedOutputs.set(toPath(state, name), name); + ts.writeFile(writeFileCallback ? { writeFile: writeFileCallback } : compilerHost, emitterDiagnostics, name, text, writeByteOrderMark); + }); + var emitDiagnostics = finishEmit(emitterDiagnostics, emittedOutputs, minimumDate, + /*newestDeclarationFileContentChangedTimeIsMaximumDate*/ false, outputFiles[0].name, BuildResultFlags.DeclarationOutputUnchanged); + return { emitSkipped: false, diagnostics: emitDiagnostics }; + } + function executeSteps(till, cancellationToken, writeFile, customTransformers) { + while (step <= till && step < BuildStep.Done) { + var currentStep = step; + switch (step) { + case BuildStep.CreateProgram: + createProgram(); + break; + case BuildStep.SyntaxDiagnostics: + getSyntaxDiagnostics(cancellationToken); + break; + case BuildStep.SemanticDiagnostics: + getSemanticDiagnostics(cancellationToken); + break; + case BuildStep.Emit: + emit(writeFile, cancellationToken, customTransformers); + break; + case BuildStep.EmitBuildInfo: + emitBuildInfo(writeFile, cancellationToken); + break; + case BuildStep.EmitBundle: + emitBundle(writeFile, customTransformers); + break; + case BuildStep.BuildInvalidatedProjectOfBundle: + ts.Debug.checkDefined(invalidatedProjectOfBundle).done(cancellationToken, writeFile, customTransformers); + step = BuildStep.Done; + break; + case BuildStep.QueueReferencingProjects: + queueReferencingProjects(state, project, projectPath, projectIndex, config, buildOrder, ts.Debug.checkDefined(buildResult)); + step++; + break; + // Should never be done + case BuildStep.Done: + default: + ts.assertType(step); + } + ts.Debug.assert(step > currentStep); + } + } + } + function needsBuild(_a, status, config) { + var options = _a.options; + if (status.type !== ts.UpToDateStatusType.OutOfDateWithPrepend || options.force) + return true; + return config.fileNames.length === 0 || + !!ts.getConfigFileParsingDiagnostics(config).length || + !ts.isIncrementalCompilation(config.options); + } + function getNextInvalidatedProject(state, buildOrder, reportQueue) { + if (!state.projectPendingBuild.size) + return undefined; + if (isCircularBuildOrder(buildOrder)) + return undefined; + if (state.currentInvalidatedProject) { + // Only if same buildOrder the currentInvalidated project can be sent again + return ts.arrayIsEqualTo(state.currentInvalidatedProject.buildOrder, buildOrder) ? + state.currentInvalidatedProject : + undefined; + } + var options = state.options, projectPendingBuild = state.projectPendingBuild; + for (var projectIndex = 0; projectIndex < buildOrder.length; projectIndex++) { + var project = buildOrder[projectIndex]; + var projectPath = toResolvedConfigFilePath(state, project); + var reloadLevel = state.projectPendingBuild.get(projectPath); + if (reloadLevel === undefined) + continue; + if (reportQueue) { + reportQueue = false; + reportBuildQueue(state, buildOrder); + } + var config = parseConfigFile(state, project, projectPath); + if (!config) { + reportParseConfigFileDiagnostic(state, projectPath); + projectPendingBuild.delete(projectPath); + continue; + } + if (reloadLevel === ts.ConfigFileProgramReloadLevel.Full) { + watchConfigFile(state, project, projectPath, config); + watchExtendedConfigFiles(state, projectPath, config); + watchWildCardDirectories(state, project, projectPath, config); + watchInputFiles(state, project, projectPath, config); + watchPackageJsonFiles(state, project, projectPath, config); + } + else if (reloadLevel === ts.ConfigFileProgramReloadLevel.Partial) { + // Update file names + config.fileNames = ts.getFileNamesFromConfigSpecs(config.options.configFile.configFileSpecs, ts.getDirectoryPath(project), config.options, state.parseConfigFileHost); + ts.updateErrorForNoInputFiles(config.fileNames, project, config.options.configFile.configFileSpecs, config.errors, ts.canJsonReportNoInputFiles(config.raw)); + watchInputFiles(state, project, projectPath, config); + watchPackageJsonFiles(state, project, projectPath, config); + } + var status = getUpToDateStatus(state, config, projectPath); + verboseReportProjectStatus(state, project, status); + if (!options.force) { + if (status.type === ts.UpToDateStatusType.UpToDate) { + reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config)); + projectPendingBuild.delete(projectPath); + // Up to date, skip + if (options.dry) { + // In a dry build, inform the user of this fact + reportStatus(state, ts.Diagnostics.Project_0_is_up_to_date, project); + } + continue; + } + if (status.type === ts.UpToDateStatusType.UpToDateWithUpstreamTypes) { + reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config)); + return createUpdateOutputFileStampsProject(state, project, projectPath, config, buildOrder); + } + } + if (status.type === ts.UpToDateStatusType.UpstreamBlocked) { + reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config)); + projectPendingBuild.delete(projectPath); + if (options.verbose) { + reportStatus(state, status.upstreamProjectBlocked ? + ts.Diagnostics.Skipping_build_of_project_0_because_its_dependency_1_was_not_built : + ts.Diagnostics.Skipping_build_of_project_0_because_its_dependency_1_has_errors, project, status.upstreamProjectName); + } + continue; + } + if (status.type === ts.UpToDateStatusType.ContainerOnly) { + reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config)); + projectPendingBuild.delete(projectPath); + // Do nothing + continue; + } + return createBuildOrUpdateInvalidedProject(needsBuild(state, status, config) ? + InvalidatedProjectKind.Build : + InvalidatedProjectKind.UpdateBundle, state, project, projectPath, projectIndex, config, buildOrder); + } + return undefined; + } + function listEmittedFile(_a, proj, file) { + var write = _a.write; + if (write && proj.options.listEmittedFiles) { + write("TSFILE: ".concat(file)); + } + } + function getOldProgram(_a, proj, parsed) { + var options = _a.options, builderPrograms = _a.builderPrograms, compilerHost = _a.compilerHost; + if (options.force) + return undefined; + var value = builderPrograms.get(proj); + if (value) + return value; + return ts.readBuilderProgram(parsed.options, compilerHost); + } + function afterProgramDone(state, program, config) { + if (program) { + if (program && state.write) + ts.listFiles(program, state.write); + if (state.host.afterProgramEmitAndDiagnostics) { + state.host.afterProgramEmitAndDiagnostics(program); + } + program.releaseProgram(); + } + else if (state.host.afterEmitBundle) { + state.host.afterEmitBundle(config); + } + state.projectCompilerOptions = state.baseCompilerOptions; + } + function buildErrors(state, resolvedPath, program, config, diagnostics, buildResult, errorType) { + var canEmitBuildInfo = !(buildResult & BuildResultFlags.SyntaxErrors) && program && !ts.outFile(program.getCompilerOptions()); + reportAndStoreErrors(state, resolvedPath, diagnostics); + state.projectStatus.set(resolvedPath, { type: ts.UpToDateStatusType.Unbuildable, reason: "".concat(errorType, " errors") }); + if (canEmitBuildInfo) + return { buildResult: buildResult, step: BuildStep.EmitBuildInfo }; + afterProgramDone(state, program, config); + return { buildResult: buildResult, step: BuildStep.QueueReferencingProjects }; + } + function checkConfigFileUpToDateStatus(state, configFile, oldestOutputFileTime, oldestOutputFileName) { + // Check tsconfig time + var tsconfigTime = ts.getModifiedTime(state.host, configFile); + if (oldestOutputFileTime < tsconfigTime) { + return { + type: ts.UpToDateStatusType.OutOfDateWithSelf, + outOfDateOutputFileName: oldestOutputFileName, + newerInputFileName: configFile + }; + } + } + function getUpToDateStatusWorker(state, project, resolvedPath) { + var force = !!state.options.force; + var newestInputFileName = undefined; + var newestInputFileTime = minimumDate; + var host = state.host; + // Get timestamps of input files + for (var _i = 0, _a = project.fileNames; _i < _a.length; _i++) { + var inputFile = _a[_i]; + if (!host.fileExists(inputFile)) { + return { + type: ts.UpToDateStatusType.Unbuildable, + reason: "".concat(inputFile, " does not exist") + }; + } + if (!force) { + var inputTime = ts.getModifiedTime(host, inputFile); + if (inputTime > newestInputFileTime) { + newestInputFileName = inputFile; + newestInputFileTime = inputTime; + } + } + } + // Container if no files are specified in the project + if (!project.fileNames.length && !ts.canJsonReportNoInputFiles(project.raw)) { + return { + type: ts.UpToDateStatusType.ContainerOnly + }; + } + // Collect the expected outputs of this project + var outputs = ts.getAllProjectOutputs(project, !host.useCaseSensitiveFileNames()); + // Now see if all outputs are newer than the newest input + var oldestOutputFileName = "(none)"; + var oldestOutputFileTime = maximumDate; + var newestOutputFileName = "(none)"; + var newestOutputFileTime = minimumDate; + var missingOutputFileName; + var newestDeclarationFileContentChangedTime = minimumDate; + var isOutOfDateWithInputs = false; + if (!force) { + for (var _b = 0, outputs_1 = outputs; _b < outputs_1.length; _b++) { + var output = outputs_1[_b]; + // Output is missing; can stop checking + // Don't immediately return because we can still be upstream-blocked, which is a higher-priority status + if (!host.fileExists(output)) { + missingOutputFileName = output; + break; + } + var outputTime = ts.getModifiedTime(host, output); + if (outputTime < oldestOutputFileTime) { + oldestOutputFileTime = outputTime; + oldestOutputFileName = output; + } + // If an output is older than the newest input, we can stop checking + // Don't immediately return because we can still be upstream-blocked, which is a higher-priority status + if (outputTime < newestInputFileTime) { + isOutOfDateWithInputs = true; + break; + } + if (outputTime > newestOutputFileTime) { + newestOutputFileTime = outputTime; + newestOutputFileName = output; + } + // Keep track of when the most recent time a .d.ts file was changed. + // In addition to file timestamps, we also keep track of when a .d.ts file + // had its file touched but not had its contents changed - this allows us + // to skip a downstream typecheck + if (ts.isDeclarationFileName(output)) { + var outputModifiedTime = ts.getModifiedTime(host, output); + newestDeclarationFileContentChangedTime = newer(newestDeclarationFileContentChangedTime, outputModifiedTime); + } + } + } + var pseudoUpToDate = false; + var usesPrepend = false; + var upstreamChangedProject; + if (project.projectReferences) { + state.projectStatus.set(resolvedPath, { type: ts.UpToDateStatusType.ComputingUpstream }); + for (var _c = 0, _d = project.projectReferences; _c < _d.length; _c++) { + var ref = _d[_c]; + usesPrepend = usesPrepend || !!(ref.prepend); + var resolvedRef = ts.resolveProjectReferencePath(ref); + var resolvedRefPath = toResolvedConfigFilePath(state, resolvedRef); + var refStatus = getUpToDateStatus(state, parseConfigFile(state, resolvedRef, resolvedRefPath), resolvedRefPath); + // Its a circular reference ignore the status of this project + if (refStatus.type === ts.UpToDateStatusType.ComputingUpstream || + refStatus.type === ts.UpToDateStatusType.ContainerOnly) { // Container only ignore this project + continue; + } + // An upstream project is blocked + if (refStatus.type === ts.UpToDateStatusType.Unbuildable || + refStatus.type === ts.UpToDateStatusType.UpstreamBlocked) { + return { + type: ts.UpToDateStatusType.UpstreamBlocked, + upstreamProjectName: ref.path, + upstreamProjectBlocked: refStatus.type === ts.UpToDateStatusType.UpstreamBlocked + }; + } + // If the upstream project is out of date, then so are we (someone shouldn't have asked, though?) + if (refStatus.type !== ts.UpToDateStatusType.UpToDate) { + return { + type: ts.UpToDateStatusType.UpstreamOutOfDate, + upstreamProjectName: ref.path + }; + } + // Check oldest output file name only if there is no missing output file name + // (a check we will have skipped if this is a forced build) + if (!force && !missingOutputFileName) { + // If the upstream project's newest file is older than our oldest output, we + // can't be out of date because of it + if (refStatus.newestInputFileTime && refStatus.newestInputFileTime <= oldestOutputFileTime) { + continue; + } + // If the upstream project has only change .d.ts files, and we've built + // *after* those files, then we're "psuedo up to date" and eligible for a fast rebuild + if (refStatus.newestDeclarationFileContentChangedTime && refStatus.newestDeclarationFileContentChangedTime <= oldestOutputFileTime) { + pseudoUpToDate = true; + upstreamChangedProject = ref.path; + continue; + } + // We have an output older than an upstream output - we are out of date + ts.Debug.assert(oldestOutputFileName !== undefined, "Should have an oldest output filename here"); + return { + type: ts.UpToDateStatusType.OutOfDateWithUpstream, + outOfDateOutputFileName: oldestOutputFileName, + newerProjectName: ref.path + }; + } + } + } + if (missingOutputFileName !== undefined) { + return { + type: ts.UpToDateStatusType.OutputMissing, + missingOutputFileName: missingOutputFileName + }; + } + if (isOutOfDateWithInputs) { + return { + type: ts.UpToDateStatusType.OutOfDateWithSelf, + outOfDateOutputFileName: oldestOutputFileName, + newerInputFileName: newestInputFileName + }; + } + else { + // Check tsconfig time + var configStatus = checkConfigFileUpToDateStatus(state, project.options.configFilePath, oldestOutputFileTime, oldestOutputFileName); + if (configStatus) + return configStatus; + // Check extended config time + var extendedConfigStatus = ts.forEach(project.options.configFile.extendedSourceFiles || ts.emptyArray, function (configFile) { return checkConfigFileUpToDateStatus(state, configFile, oldestOutputFileTime, oldestOutputFileName); }); + if (extendedConfigStatus) + return extendedConfigStatus; + // Check package file time + var dependentPackageFileStatus = ts.forEach(state.lastCachedPackageJsonLookups.get(resolvedPath) || ts.emptyArray, function (_a) { + var path = _a[0]; + return checkConfigFileUpToDateStatus(state, path, oldestOutputFileTime, oldestOutputFileName); + }); + if (dependentPackageFileStatus) + return dependentPackageFileStatus; + } + if (!force && !state.buildInfoChecked.has(resolvedPath)) { + state.buildInfoChecked.set(resolvedPath, true); + var buildInfoPath = ts.getTsBuildInfoEmitOutputFilePath(project.options); + if (buildInfoPath) { + var value = state.readFileWithCache(buildInfoPath); + var buildInfo = value && ts.getBuildInfo(value); + if (buildInfo && (buildInfo.bundle || buildInfo.program) && buildInfo.version !== ts.version) { + return { + type: ts.UpToDateStatusType.TsVersionOutputOfDate, + version: buildInfo.version + }; + } + } + } + if (usesPrepend && pseudoUpToDate) { + return { + type: ts.UpToDateStatusType.OutOfDateWithPrepend, + outOfDateOutputFileName: oldestOutputFileName, + newerProjectName: upstreamChangedProject + }; + } + // Up to date + return { + type: pseudoUpToDate ? ts.UpToDateStatusType.UpToDateWithUpstreamTypes : ts.UpToDateStatusType.UpToDate, + newestDeclarationFileContentChangedTime: newestDeclarationFileContentChangedTime, + newestInputFileTime: newestInputFileTime, + newestOutputFileTime: newestOutputFileTime, + newestInputFileName: newestInputFileName, + newestOutputFileName: newestOutputFileName, + oldestOutputFileName: oldestOutputFileName + }; + } + function getUpToDateStatus(state, project, resolvedPath) { + if (project === undefined) { + return { type: ts.UpToDateStatusType.Unbuildable, reason: "File deleted mid-build" }; + } + var prior = state.projectStatus.get(resolvedPath); + if (prior !== undefined) { + return prior; + } + var actual = getUpToDateStatusWorker(state, project, resolvedPath); + state.projectStatus.set(resolvedPath, actual); + return actual; + } + function updateOutputTimestampsWorker(state, proj, priorNewestUpdateTime, verboseMessage, skipOutputs) { + if (proj.options.noEmit) + return priorNewestUpdateTime; + var host = state.host; + var outputs = ts.getAllProjectOutputs(proj, !host.useCaseSensitiveFileNames()); + if (!skipOutputs || outputs.length !== skipOutputs.size) { + var reportVerbose = !!state.options.verbose; + var now = host.now ? host.now() : new Date(); + for (var _i = 0, outputs_2 = outputs; _i < outputs_2.length; _i++) { + var file = outputs_2[_i]; + if (skipOutputs && skipOutputs.has(toPath(state, file))) { + continue; + } + if (reportVerbose) { + reportVerbose = false; + reportStatus(state, verboseMessage, proj.options.configFilePath); + } + if (ts.isDeclarationFileName(file)) { + priorNewestUpdateTime = newer(priorNewestUpdateTime, ts.getModifiedTime(host, file)); + } + host.setModifiedTime(file, now); + } + } + return priorNewestUpdateTime; + } + function updateOutputTimestamps(state, proj, resolvedPath) { + if (state.options.dry) { + return reportStatus(state, ts.Diagnostics.A_non_dry_build_would_update_timestamps_for_output_of_project_0, proj.options.configFilePath); + } + var priorNewestUpdateTime = updateOutputTimestampsWorker(state, proj, minimumDate, ts.Diagnostics.Updating_output_timestamps_of_project_0); + state.projectStatus.set(resolvedPath, { + type: ts.UpToDateStatusType.UpToDate, + newestDeclarationFileContentChangedTime: priorNewestUpdateTime, + oldestOutputFileName: ts.getFirstProjectOutput(proj, !state.host.useCaseSensitiveFileNames()) + }); + } + function queueReferencingProjects(state, project, projectPath, projectIndex, config, buildOrder, buildResult) { + // Queue only if there are no errors + if (buildResult & BuildResultFlags.AnyErrors) + return; + // Only composite projects can be referenced by other projects + if (!config.options.composite) + return; + // Always use build order to queue projects + for (var index = projectIndex + 1; index < buildOrder.length; index++) { + var nextProject = buildOrder[index]; + var nextProjectPath = toResolvedConfigFilePath(state, nextProject); + if (state.projectPendingBuild.has(nextProjectPath)) + continue; + var nextProjectConfig = parseConfigFile(state, nextProject, nextProjectPath); + if (!nextProjectConfig || !nextProjectConfig.projectReferences) + continue; + for (var _i = 0, _a = nextProjectConfig.projectReferences; _i < _a.length; _i++) { + var ref = _a[_i]; + var resolvedRefPath = resolveProjectName(state, ref.path); + if (toResolvedConfigFilePath(state, resolvedRefPath) !== projectPath) + continue; + // If the project is referenced with prepend, always build downstream projects, + // If declaration output is changed, build the project + // otherwise mark the project UpToDateWithUpstreamTypes so it updates output time stamps + var status = state.projectStatus.get(nextProjectPath); + if (status) { + switch (status.type) { + case ts.UpToDateStatusType.UpToDate: + if (buildResult & BuildResultFlags.DeclarationOutputUnchanged) { + if (ref.prepend) { + state.projectStatus.set(nextProjectPath, { + type: ts.UpToDateStatusType.OutOfDateWithPrepend, + outOfDateOutputFileName: status.oldestOutputFileName, + newerProjectName: project + }); + } + else { + status.type = ts.UpToDateStatusType.UpToDateWithUpstreamTypes; + } + break; + } + // falls through + case ts.UpToDateStatusType.UpToDateWithUpstreamTypes: + case ts.UpToDateStatusType.OutOfDateWithPrepend: + if (!(buildResult & BuildResultFlags.DeclarationOutputUnchanged)) { + state.projectStatus.set(nextProjectPath, { + type: ts.UpToDateStatusType.OutOfDateWithUpstream, + outOfDateOutputFileName: status.type === ts.UpToDateStatusType.OutOfDateWithPrepend ? status.outOfDateOutputFileName : status.oldestOutputFileName, + newerProjectName: project + }); + } + break; + case ts.UpToDateStatusType.UpstreamBlocked: + if (toResolvedConfigFilePath(state, resolveProjectName(state, status.upstreamProjectName)) === projectPath) { + clearProjectStatus(state, nextProjectPath); + } + break; + } + } + addProjToQueue(state, nextProjectPath, ts.ConfigFileProgramReloadLevel.None); + break; + } + } + } + function build(state, project, cancellationToken, writeFile, getCustomTransformers, onlyReferences) { + var buildOrder = getBuildOrderFor(state, project, onlyReferences); + if (!buildOrder) + return ts.ExitStatus.InvalidProject_OutputsSkipped; + setupInitialBuild(state, cancellationToken); + var reportQueue = true; + var successfulProjects = 0; + while (true) { + var invalidatedProject = getNextInvalidatedProject(state, buildOrder, reportQueue); + if (!invalidatedProject) + break; + reportQueue = false; + invalidatedProject.done(cancellationToken, writeFile, getCustomTransformers === null || getCustomTransformers === void 0 ? void 0 : getCustomTransformers(invalidatedProject.project)); + if (!state.diagnostics.has(invalidatedProject.projectPath)) + successfulProjects++; + } + disableCache(state); + reportErrorSummary(state, buildOrder); + startWatching(state, buildOrder); + return isCircularBuildOrder(buildOrder) + ? ts.ExitStatus.ProjectReferenceCycle_OutputsSkipped + : !buildOrder.some(function (p) { return state.diagnostics.has(toResolvedConfigFilePath(state, p)); }) + ? ts.ExitStatus.Success + : successfulProjects + ? ts.ExitStatus.DiagnosticsPresent_OutputsGenerated + : ts.ExitStatus.DiagnosticsPresent_OutputsSkipped; + } + function clean(state, project, onlyReferences) { + var buildOrder = getBuildOrderFor(state, project, onlyReferences); + if (!buildOrder) + return ts.ExitStatus.InvalidProject_OutputsSkipped; + if (isCircularBuildOrder(buildOrder)) { + reportErrors(state, buildOrder.circularDiagnostics); + return ts.ExitStatus.ProjectReferenceCycle_OutputsSkipped; + } + var options = state.options, host = state.host; + var filesToDelete = options.dry ? [] : undefined; + for (var _i = 0, buildOrder_1 = buildOrder; _i < buildOrder_1.length; _i++) { + var proj = buildOrder_1[_i]; + var resolvedPath = toResolvedConfigFilePath(state, proj); + var parsed = parseConfigFile(state, proj, resolvedPath); + if (parsed === undefined) { + // File has gone missing; fine to ignore here + reportParseConfigFileDiagnostic(state, resolvedPath); + continue; + } + var outputs = ts.getAllProjectOutputs(parsed, !host.useCaseSensitiveFileNames()); + if (!outputs.length) + continue; + var inputFileNames = new ts.Set(parsed.fileNames.map(function (f) { return toPath(state, f); })); + for (var _a = 0, outputs_3 = outputs; _a < outputs_3.length; _a++) { + var output = outputs_3[_a]; + // If output name is same as input file name, do not delete and ignore the error + if (inputFileNames.has(toPath(state, output))) + continue; + if (host.fileExists(output)) { + if (filesToDelete) { + filesToDelete.push(output); + } + else { + host.deleteFile(output); + invalidateProject(state, resolvedPath, ts.ConfigFileProgramReloadLevel.None); + } + } + } + } + if (filesToDelete) { + reportStatus(state, ts.Diagnostics.A_non_dry_build_would_delete_the_following_files_Colon_0, filesToDelete.map(function (f) { return "\r\n * ".concat(f); }).join("")); + } + return ts.ExitStatus.Success; + } + function invalidateProject(state, resolved, reloadLevel) { + // If host implements getParsedCommandLine, we cant get list of files from parseConfigFileHost + if (state.host.getParsedCommandLine && reloadLevel === ts.ConfigFileProgramReloadLevel.Partial) { + reloadLevel = ts.ConfigFileProgramReloadLevel.Full; + } + if (reloadLevel === ts.ConfigFileProgramReloadLevel.Full) { + state.configFileCache.delete(resolved); + state.buildOrder = undefined; + } + state.needsSummary = true; + clearProjectStatus(state, resolved); + addProjToQueue(state, resolved, reloadLevel); + enableCache(state); + } + function invalidateProjectAndScheduleBuilds(state, resolvedPath, reloadLevel) { + state.reportFileChangeDetected = true; + invalidateProject(state, resolvedPath, reloadLevel); + scheduleBuildInvalidatedProject(state); + } + function scheduleBuildInvalidatedProject(state) { + var hostWithWatch = state.hostWithWatch; + if (!hostWithWatch.setTimeout || !hostWithWatch.clearTimeout) { + return; + } + if (state.timerToBuildInvalidatedProject) { + hostWithWatch.clearTimeout(state.timerToBuildInvalidatedProject); + } + state.timerToBuildInvalidatedProject = hostWithWatch.setTimeout(buildNextInvalidatedProject, 250, state); + } + function buildNextInvalidatedProject(state) { + state.timerToBuildInvalidatedProject = undefined; + if (state.reportFileChangeDetected) { + state.reportFileChangeDetected = false; + state.projectErrorsReported.clear(); + reportWatchStatus(state, ts.Diagnostics.File_change_detected_Starting_incremental_compilation); + } + var buildOrder = getBuildOrder(state); + var invalidatedProject = getNextInvalidatedProject(state, buildOrder, /*reportQueue*/ false); + if (invalidatedProject) { + invalidatedProject.done(); + if (state.projectPendingBuild.size) { + // Schedule next project for build + if (state.watch && !state.timerToBuildInvalidatedProject) { + scheduleBuildInvalidatedProject(state); + } + return; + } + } + disableCache(state); + reportErrorSummary(state, buildOrder); + } + function watchConfigFile(state, resolved, resolvedPath, parsed) { + if (!state.watch || state.allWatchedConfigFiles.has(resolvedPath)) + return; + state.allWatchedConfigFiles.set(resolvedPath, state.watchFile(resolved, function () { + invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.Full); + }, ts.PollingInterval.High, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.ConfigFile, resolved)); + } + function watchExtendedConfigFiles(state, resolvedPath, parsed) { + ts.updateSharedExtendedConfigFileWatcher(resolvedPath, parsed === null || parsed === void 0 ? void 0 : parsed.options, state.allWatchedExtendedConfigFiles, function (extendedConfigFileName, extendedConfigFilePath) { return state.watchFile(extendedConfigFileName, function () { + var _a; + return (_a = state.allWatchedExtendedConfigFiles.get(extendedConfigFilePath)) === null || _a === void 0 ? void 0 : _a.projects.forEach(function (projectConfigFilePath) { + return invalidateProjectAndScheduleBuilds(state, projectConfigFilePath, ts.ConfigFileProgramReloadLevel.Full); + }); + }, ts.PollingInterval.High, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.ExtendedConfigFile); }, function (fileName) { return toPath(state, fileName); }); + } + function watchWildCardDirectories(state, resolved, resolvedPath, parsed) { + if (!state.watch) + return; + ts.updateWatchingWildcardDirectories(getOrCreateValueMapFromConfigFileMap(state.allWatchedWildcardDirectories, resolvedPath), new ts.Map(ts.getEntries(parsed.wildcardDirectories)), function (dir, flags) { return state.watchDirectory(dir, function (fileOrDirectory) { + var _a; + if (ts.isIgnoredFileFromWildCardWatching({ + watchedDirPath: toPath(state, dir), + fileOrDirectory: fileOrDirectory, + fileOrDirectoryPath: toPath(state, fileOrDirectory), + configFileName: resolved, + currentDirectory: state.currentDirectory, + options: parsed.options, + program: state.builderPrograms.get(resolvedPath) || ((_a = getCachedParsedConfigFile(state, resolvedPath)) === null || _a === void 0 ? void 0 : _a.fileNames), + useCaseSensitiveFileNames: state.parseConfigFileHost.useCaseSensitiveFileNames, + writeLog: function (s) { return state.writeLog(s); }, + toPath: function (fileName) { return toPath(state, fileName); } + })) + return; + invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.Partial); + }, flags, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.WildcardDirectory, resolved); }); + } + function watchInputFiles(state, resolved, resolvedPath, parsed) { + if (!state.watch) + return; + ts.mutateMap(getOrCreateValueMapFromConfigFileMap(state.allWatchedInputFiles, resolvedPath), ts.arrayToMap(parsed.fileNames, function (fileName) { return toPath(state, fileName); }), { + createNewValue: function (_path, input) { return state.watchFile(input, function () { return invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.None); }, ts.PollingInterval.Low, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.SourceFile, resolved); }, + onDeleteValue: ts.closeFileWatcher, + }); + } + function watchPackageJsonFiles(state, resolved, resolvedPath, parsed) { + if (!state.watch || !state.lastCachedPackageJsonLookups) + return; + ts.mutateMap(getOrCreateValueMapFromConfigFileMap(state.allWatchedPackageJsonFiles, resolvedPath), new ts.Map(state.lastCachedPackageJsonLookups.get(resolvedPath)), { + createNewValue: function (path, _input) { return state.watchFile(path, function () { return invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.None); }, ts.PollingInterval.High, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.PackageJson, resolved); }, + onDeleteValue: ts.closeFileWatcher, + }); + } + function startWatching(state, buildOrder) { + if (!state.watchAllProjectsPending) + return; + state.watchAllProjectsPending = false; + for (var _i = 0, _a = getBuildOrderFromAnyBuildOrder(buildOrder); _i < _a.length; _i++) { + var resolved = _a[_i]; + var resolvedPath = toResolvedConfigFilePath(state, resolved); + var cfg = parseConfigFile(state, resolved, resolvedPath); + // Watch this file + watchConfigFile(state, resolved, resolvedPath, cfg); + watchExtendedConfigFiles(state, resolvedPath, cfg); + if (cfg) { + // Update watchers for wildcard directories + watchWildCardDirectories(state, resolved, resolvedPath, cfg); + // Watch input files + watchInputFiles(state, resolved, resolvedPath, cfg); + // Watch package json files + watchPackageJsonFiles(state, resolved, resolvedPath, cfg); + } + } + } + function stopWatching(state) { + ts.clearMap(state.allWatchedConfigFiles, ts.closeFileWatcher); + ts.clearMap(state.allWatchedExtendedConfigFiles, ts.closeFileWatcherOf); + ts.clearMap(state.allWatchedWildcardDirectories, function (watchedWildcardDirectories) { return ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcherOf); }); + ts.clearMap(state.allWatchedInputFiles, function (watchedWildcardDirectories) { return ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcher); }); + ts.clearMap(state.allWatchedPackageJsonFiles, function (watchedPacageJsonFiles) { return ts.clearMap(watchedPacageJsonFiles, ts.closeFileWatcher); }); + } + function createSolutionBuilderWorker(watch, hostOrHostWithWatch, rootNames, options, baseWatchOptions) { + var state = createSolutionBuilderState(watch, hostOrHostWithWatch, rootNames, options, baseWatchOptions); + return { + build: function (project, cancellationToken, writeFile, getCustomTransformers) { return build(state, project, cancellationToken, writeFile, getCustomTransformers); }, + clean: function (project) { return clean(state, project); }, + buildReferences: function (project, cancellationToken, writeFile, getCustomTransformers) { return build(state, project, cancellationToken, writeFile, getCustomTransformers, /*onlyReferences*/ true); }, + cleanReferences: function (project) { return clean(state, project, /*onlyReferences*/ true); }, + getNextInvalidatedProject: function (cancellationToken) { + setupInitialBuild(state, cancellationToken); + return getNextInvalidatedProject(state, getBuildOrder(state), /*reportQueue*/ false); + }, + getBuildOrder: function () { return getBuildOrder(state); }, + getUpToDateStatusOfProject: function (project) { + var configFileName = resolveProjectName(state, project); + var configFilePath = toResolvedConfigFilePath(state, configFileName); + return getUpToDateStatus(state, parseConfigFile(state, configFileName, configFilePath), configFilePath); + }, + invalidateProject: function (configFilePath, reloadLevel) { return invalidateProject(state, configFilePath, reloadLevel || ts.ConfigFileProgramReloadLevel.None); }, + buildNextInvalidatedProject: function () { return buildNextInvalidatedProject(state); }, + getAllParsedConfigs: function () { return ts.arrayFrom(ts.mapDefinedIterator(state.configFileCache.values(), function (config) { return isParsedCommandLine(config) ? config : undefined; })); }, + close: function () { return stopWatching(state); }, + }; + } + function relName(state, path) { + return ts.convertToRelativePath(path, state.currentDirectory, function (f) { return state.getCanonicalFileName(f); }); + } + function reportStatus(state, message) { + var args = []; + for (var _i = 2; _i < arguments.length; _i++) { + args[_i - 2] = arguments[_i]; + } + state.host.reportSolutionBuilderStatus(ts.createCompilerDiagnostic.apply(void 0, __spreadArray([message], args, false))); + } + function reportWatchStatus(state, message) { + var _a, _b; + var args = []; + for (var _i = 2; _i < arguments.length; _i++) { + args[_i - 2] = arguments[_i]; + } + (_b = (_a = state.hostWithWatch).onWatchStatusChange) === null || _b === void 0 ? void 0 : _b.call(_a, ts.createCompilerDiagnostic.apply(void 0, __spreadArray([message], args, false)), state.host.getNewLine(), state.baseCompilerOptions); + } + function reportErrors(_a, errors) { + var host = _a.host; + errors.forEach(function (err) { return host.reportDiagnostic(err); }); + } + function reportAndStoreErrors(state, proj, errors) { + reportErrors(state, errors); + state.projectErrorsReported.set(proj, true); + if (errors.length) { + state.diagnostics.set(proj, errors); + } + } + function reportParseConfigFileDiagnostic(state, proj) { + reportAndStoreErrors(state, proj, [state.configFileCache.get(proj)]); + } + function reportErrorSummary(state, buildOrder) { + if (!state.needsSummary) + return; + state.needsSummary = false; + var canReportSummary = state.watch || !!state.host.reportErrorSummary; + var diagnostics = state.diagnostics; + var totalErrors = 0; + var filesInError = []; + if (isCircularBuildOrder(buildOrder)) { + reportBuildQueue(state, buildOrder.buildOrder); + reportErrors(state, buildOrder.circularDiagnostics); + if (canReportSummary) + totalErrors += ts.getErrorCountForSummary(buildOrder.circularDiagnostics); + if (canReportSummary) + filesInError = __spreadArray(__spreadArray([], filesInError, true), ts.getFilesInErrorForSummary(buildOrder.circularDiagnostics), true); + } + else { + // Report errors from the other projects + buildOrder.forEach(function (project) { + var projectPath = toResolvedConfigFilePath(state, project); + if (!state.projectErrorsReported.has(projectPath)) { + reportErrors(state, diagnostics.get(projectPath) || ts.emptyArray); + } + }); + if (canReportSummary) + diagnostics.forEach(function (singleProjectErrors) { return totalErrors += ts.getErrorCountForSummary(singleProjectErrors); }); + if (canReportSummary) + diagnostics.forEach(function (singleProjectErrors) { return __spreadArray(__spreadArray([], filesInError, true), ts.getFilesInErrorForSummary(singleProjectErrors), true); }); + } + if (state.watch) { + reportWatchStatus(state, ts.getWatchErrorSummaryDiagnosticMessage(totalErrors), totalErrors); + } + else if (state.host.reportErrorSummary) { + state.host.reportErrorSummary(totalErrors, filesInError); + } + } + /** + * Report the build ordering inferred from the current project graph if we're in verbose mode + */ + function reportBuildQueue(state, buildQueue) { + if (state.options.verbose) { + reportStatus(state, ts.Diagnostics.Projects_in_this_build_Colon_0, buildQueue.map(function (s) { return "\r\n * " + relName(state, s); }).join("")); + } + } + function reportUpToDateStatus(state, configFileName, status) { + if (state.options.force && (status.type === ts.UpToDateStatusType.UpToDate || status.type === ts.UpToDateStatusType.UpToDateWithUpstreamTypes)) { + return reportStatus(state, ts.Diagnostics.Project_0_is_being_forcibly_rebuilt, relName(state, configFileName)); + } + switch (status.type) { + case ts.UpToDateStatusType.OutOfDateWithSelf: + return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2, relName(state, configFileName), relName(state, status.outOfDateOutputFileName), relName(state, status.newerInputFileName)); + case ts.UpToDateStatusType.OutOfDateWithUpstream: + return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2, relName(state, configFileName), relName(state, status.outOfDateOutputFileName), relName(state, status.newerProjectName)); + case ts.UpToDateStatusType.OutputMissing: + return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_output_file_1_does_not_exist, relName(state, configFileName), relName(state, status.missingOutputFileName)); + case ts.UpToDateStatusType.UpToDate: + if (status.newestInputFileTime !== undefined) { + return reportStatus(state, ts.Diagnostics.Project_0_is_up_to_date_because_newest_input_1_is_older_than_oldest_output_2, relName(state, configFileName), relName(state, status.newestInputFileName || ""), relName(state, status.oldestOutputFileName || "")); + } + // Don't report anything for "up to date because it was already built" -- too verbose + break; + case ts.UpToDateStatusType.OutOfDateWithPrepend: + return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_output_of_its_dependency_1_has_changed, relName(state, configFileName), relName(state, status.newerProjectName)); + case ts.UpToDateStatusType.UpToDateWithUpstreamTypes: + return reportStatus(state, ts.Diagnostics.Project_0_is_up_to_date_with_d_ts_files_from_its_dependencies, relName(state, configFileName)); + case ts.UpToDateStatusType.UpstreamOutOfDate: + return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_its_dependency_1_is_out_of_date, relName(state, configFileName), relName(state, status.upstreamProjectName)); + case ts.UpToDateStatusType.UpstreamBlocked: + return reportStatus(state, status.upstreamProjectBlocked ? + ts.Diagnostics.Project_0_can_t_be_built_because_its_dependency_1_was_not_built : + ts.Diagnostics.Project_0_can_t_be_built_because_its_dependency_1_has_errors, relName(state, configFileName), relName(state, status.upstreamProjectName)); + case ts.UpToDateStatusType.Unbuildable: + return reportStatus(state, ts.Diagnostics.Failed_to_parse_file_0_Colon_1, relName(state, configFileName), status.reason); + case ts.UpToDateStatusType.TsVersionOutputOfDate: + return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_output_for_it_was_generated_with_version_1_that_differs_with_current_version_2, relName(state, configFileName), status.version, ts.version); + case ts.UpToDateStatusType.ContainerOnly: + // Don't report status on "solution" projects + // falls through + case ts.UpToDateStatusType.ComputingUpstream: + // Should never leak from getUptoDateStatusWorker + break; + default: + ts.assertType(status); + } + } + /** + * Report the up-to-date status of a project if we're in verbose mode + */ + function verboseReportProjectStatus(state, configFileName, status) { + if (state.options.verbose) { + reportUpToDateStatus(state, configFileName, status); + } + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + /* @internal */ + server.ActionSet = "action::set"; + /* @internal */ + server.ActionInvalidate = "action::invalidate"; + /* @internal */ + server.ActionPackageInstalled = "action::packageInstalled"; + /* @internal */ + server.EventTypesRegistry = "event::typesRegistry"; + /* @internal */ + server.EventBeginInstallTypes = "event::beginInstallTypes"; + /* @internal */ + server.EventEndInstallTypes = "event::endInstallTypes"; + /* @internal */ + server.EventInitializationFailed = "event::initializationFailed"; + /* @internal */ + var Arguments; + (function (Arguments) { + Arguments.GlobalCacheLocation = "--globalTypingsCacheLocation"; + Arguments.LogFile = "--logFile"; + Arguments.EnableTelemetry = "--enableTelemetry"; + Arguments.TypingSafeListLocation = "--typingSafeListLocation"; + Arguments.TypesMapLocation = "--typesMapLocation"; + /** + * This argument specifies the location of the NPM executable. + * typingsInstaller will run the command with `${npmLocation} install ...`. + */ + Arguments.NpmLocation = "--npmLocation"; + /** + * Flag indicating that the typings installer should try to validate the default npm location. + * If the default npm is not found when this flag is enabled, fallback to `npm install` + */ + Arguments.ValidateDefaultNpmLocation = "--validateDefaultNpmLocation"; + })(Arguments = server.Arguments || (server.Arguments = {})); + /* @internal */ + function hasArgument(argumentName) { + return ts.sys.args.indexOf(argumentName) >= 0; + } + server.hasArgument = hasArgument; + /* @internal */ + function findArgument(argumentName) { + var index = ts.sys.args.indexOf(argumentName); + return index >= 0 && index < ts.sys.args.length - 1 + ? ts.sys.args[index + 1] + : undefined; + } + server.findArgument = findArgument; + /* @internal */ + function nowString() { + // E.g. "12:34:56.789" + var d = new Date(); + return "".concat(ts.padLeft(d.getHours().toString(), 2, "0"), ":").concat(ts.padLeft(d.getMinutes().toString(), 2, "0"), ":").concat(ts.padLeft(d.getSeconds().toString(), 2, "0"), ".").concat(ts.padLeft(d.getMilliseconds().toString(), 3, "0")); + } + server.nowString = nowString; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var JsTyping; + (function (JsTyping) { + function isTypingUpToDate(cachedTyping, availableTypingVersions) { + var availableVersion = new ts.Version(ts.getProperty(availableTypingVersions, "ts".concat(ts.versionMajorMinor)) || ts.getProperty(availableTypingVersions, "latest")); + return availableVersion.compareTo(cachedTyping.version) <= 0; + } + JsTyping.isTypingUpToDate = isTypingUpToDate; + var unprefixedNodeCoreModuleList = [ + "assert", + "assert/strict", + "async_hooks", + "buffer", + "child_process", + "cluster", + "console", + "constants", + "crypto", + "dgram", + "diagnostics_channel", + "dns", + "dns/promises", + "domain", + "events", + "fs", + "fs/promises", + "http", + "https", + "http2", + "inspector", + "module", + "net", + "os", + "path", + "perf_hooks", + "process", + "punycode", + "querystring", + "readline", + "repl", + "stream", + "stream/promises", + "string_decoder", + "timers", + "timers/promises", + "tls", + "trace_events", + "tty", + "url", + "util", + "util/types", + "v8", + "vm", + "wasi", + "worker_threads", + "zlib" + ]; + JsTyping.prefixedNodeCoreModuleList = unprefixedNodeCoreModuleList.map(function (name) { return "node:".concat(name); }); + JsTyping.nodeCoreModuleList = __spreadArray(__spreadArray([], unprefixedNodeCoreModuleList, true), JsTyping.prefixedNodeCoreModuleList, true); + JsTyping.nodeCoreModules = new ts.Set(JsTyping.nodeCoreModuleList); + function nonRelativeModuleNameForTypingCache(moduleName) { + return JsTyping.nodeCoreModules.has(moduleName) ? "node" : moduleName; + } + JsTyping.nonRelativeModuleNameForTypingCache = nonRelativeModuleNameForTypingCache; + function loadSafeList(host, safeListPath) { + var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); }); + return new ts.Map(ts.getEntries(result.config)); + } + JsTyping.loadSafeList = loadSafeList; + function loadTypesMap(host, typesMapPath) { + var result = ts.readConfigFile(typesMapPath, function (path) { return host.readFile(path); }); + if (result.config) { + return new ts.Map(ts.getEntries(result.config.simpleMap)); + } + return undefined; + } + JsTyping.loadTypesMap = loadTypesMap; + /** + * @param host is the object providing I/O related operations. + * @param fileNames are the file names that belong to the same project + * @param projectRootPath is the path to the project root directory + * @param safeListPath is the path used to retrieve the safe list + * @param packageNameToTypingLocation is the map of package names to their cached typing locations and installed versions + * @param typeAcquisition is used to customize the typing acquisition process + * @param compilerOptions are used as a source for typing inference + */ + function discoverTypings(host, log, fileNames, projectRootPath, safeList, packageNameToTypingLocation, typeAcquisition, unresolvedImports, typesRegistry) { + if (!typeAcquisition || !typeAcquisition.enable) { + return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] }; + } + // A typing name to typing file path mapping + var inferredTypings = new ts.Map(); + // Only infer typings for .js and .jsx files + fileNames = ts.mapDefined(fileNames, function (fileName) { + var path = ts.normalizePath(fileName); + if (ts.hasJSFileExtension(path)) { + return path; + } + }); + var filesToWatch = []; + if (typeAcquisition.include) + addInferredTypings(typeAcquisition.include, "Explicitly included types"); + var exclude = typeAcquisition.exclude || []; + // Directories to search for package.json, bower.json and other typing information + var possibleSearchDirs = new ts.Set(fileNames.map(ts.getDirectoryPath)); + possibleSearchDirs.add(projectRootPath); + possibleSearchDirs.forEach(function (searchDir) { + getTypingNames(searchDir, "bower.json", "bower_components", filesToWatch); + getTypingNames(searchDir, "package.json", "node_modules", filesToWatch); + }); + if (!typeAcquisition.disableFilenameBasedTypeAcquisition) { + getTypingNamesFromSourceFileNames(fileNames); + } + // add typings for unresolved imports + if (unresolvedImports) { + var module_1 = ts.deduplicate(unresolvedImports.map(nonRelativeModuleNameForTypingCache), ts.equateStringsCaseSensitive, ts.compareStringsCaseSensitive); + addInferredTypings(module_1, "Inferred typings from unresolved imports"); + } + // Add the cached typing locations for inferred typings that are already installed + packageNameToTypingLocation.forEach(function (typing, name) { + var registryEntry = typesRegistry.get(name); + if (inferredTypings.has(name) && inferredTypings.get(name) === undefined && registryEntry !== undefined && isTypingUpToDate(typing, registryEntry)) { + inferredTypings.set(name, typing.typingLocation); + } + }); + // Remove typings that the user has added to the exclude list + for (var _i = 0, exclude_1 = exclude; _i < exclude_1.length; _i++) { + var excludeTypingName = exclude_1[_i]; + var didDelete = inferredTypings.delete(excludeTypingName); + if (didDelete && log) + log("Typing for ".concat(excludeTypingName, " is in exclude list, will be ignored.")); + } + var newTypingNames = []; + var cachedTypingPaths = []; + inferredTypings.forEach(function (inferred, typing) { + if (inferred !== undefined) { + cachedTypingPaths.push(inferred); + } + else { + newTypingNames.push(typing); + } + }); + var result = { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch }; + if (log) + log("Result: ".concat(JSON.stringify(result))); + return result; + function addInferredTyping(typingName) { + if (!inferredTypings.has(typingName)) { + inferredTypings.set(typingName, undefined); // TODO: GH#18217 + } + } + function addInferredTypings(typingNames, message) { + if (log) + log("".concat(message, ": ").concat(JSON.stringify(typingNames))); + ts.forEach(typingNames, addInferredTyping); + } + /** + * Adds inferred typings from manifest/module pairs (think package.json + node_modules) + * + * @param projectRootPath is the path to the directory where to look for package.json, bower.json and other typing information + * @param manifestName is the name of the manifest (package.json or bower.json) + * @param modulesDirName is the directory name for modules (node_modules or bower_components). Should be lowercase! + * @param filesToWatch are the files to watch for changes. We will push things into this array. + */ + function getTypingNames(projectRootPath, manifestName, modulesDirName, filesToWatch) { + // First, we check the manifests themselves. They're not + // _required_, but they allow us to do some filtering when dealing + // with big flat dep directories. + var manifestPath = ts.combinePaths(projectRootPath, manifestName); + var manifest; + var manifestTypingNames; + if (host.fileExists(manifestPath)) { + filesToWatch.push(manifestPath); + manifest = ts.readConfigFile(manifestPath, function (path) { return host.readFile(path); }).config; + manifestTypingNames = ts.flatMap([manifest.dependencies, manifest.devDependencies, manifest.optionalDependencies, manifest.peerDependencies], ts.getOwnKeys); + addInferredTypings(manifestTypingNames, "Typing names in '".concat(manifestPath, "' dependencies")); + } + // Now we scan the directories for typing information in + // already-installed dependencies (if present). Note that this + // step happens regardless of whether a manifest was present, + // which is certainly a valid configuration, if an unusual one. + var packagesFolderPath = ts.combinePaths(projectRootPath, modulesDirName); + filesToWatch.push(packagesFolderPath); + if (!host.directoryExists(packagesFolderPath)) { + return; + } + // There's two cases we have to take into account here: + // 1. If manifest is undefined, then we're not using a manifest. + // That means that we should scan _all_ dependencies at the top + // level of the modulesDir. + // 2. If manifest is defined, then we can do some special + // filtering to reduce the amount of scanning we need to do. + // + // Previous versions of this algorithm checked for a `_requiredBy` + // field in the package.json, but that field is only present in + // `npm@>=3 <7`. + // Package names that do **not** provide their own typings, so + // we'll look them up. + var packageNames = []; + var dependencyManifestNames = manifestTypingNames + // This is #1 described above. + ? manifestTypingNames.map(function (typingName) { return ts.combinePaths(packagesFolderPath, typingName, manifestName); }) + // And #2. Depth = 3 because scoped packages look like `node_modules/@foo/bar/package.json` + : host.readDirectory(packagesFolderPath, [".json" /* Extension.Json */], /*excludes*/ undefined, /*includes*/ undefined, /*depth*/ 3) + .filter(function (manifestPath) { + if (ts.getBaseFileName(manifestPath) !== manifestName) { + return false; + } + // It's ok to treat + // `node_modules/@foo/bar/package.json` as a manifest, + // but not `node_modules/jquery/nested/package.json`. + // We only assume depth 3 is ok for formally scoped + // packages. So that needs this dance here. + var pathComponents = ts.getPathComponents(ts.normalizePath(manifestPath)); + var isScoped = pathComponents[pathComponents.length - 3][0] === "@"; + return isScoped && pathComponents[pathComponents.length - 4].toLowerCase() === modulesDirName || // `node_modules/@foo/bar` + !isScoped && pathComponents[pathComponents.length - 3].toLowerCase() === modulesDirName; // `node_modules/foo` + }); + if (log) + log("Searching for typing names in ".concat(packagesFolderPath, "; all files: ").concat(JSON.stringify(dependencyManifestNames))); + // Once we have the names of things to look up, we iterate over + // and either collect their included typings, or add them to the + // list of typings we need to look up separately. + for (var _i = 0, dependencyManifestNames_1 = dependencyManifestNames; _i < dependencyManifestNames_1.length; _i++) { + var manifestPath_1 = dependencyManifestNames_1[_i]; + var normalizedFileName = ts.normalizePath(manifestPath_1); + var result_1 = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); }); + var manifest_1 = result_1.config; + // If the package has its own d.ts typings, those will take precedence. Otherwise the package name will be used + // to download d.ts files from DefinitelyTyped + if (!manifest_1.name) { + continue; + } + var ownTypes = manifest_1.types || manifest_1.typings; + if (ownTypes) { + var absolutePath = ts.getNormalizedAbsolutePath(ownTypes, ts.getDirectoryPath(normalizedFileName)); + if (host.fileExists(absolutePath)) { + if (log) + log(" Package '".concat(manifest_1.name, "' provides its own types.")); + inferredTypings.set(manifest_1.name, absolutePath); + } + else { + if (log) + log(" Package '".concat(manifest_1.name, "' provides its own types but they are missing.")); + } + } + else { + packageNames.push(manifest_1.name); + } + } + addInferredTypings(packageNames, " Found package names"); + } + /** + * Infer typing names from given file names. For example, the file name "jquery-min.2.3.4.js" + * should be inferred to the 'jquery' typing name; and "angular-route.1.2.3.js" should be inferred + * to the 'angular-route' typing name. + * @param fileNames are the names for source files in the project + */ + function getTypingNamesFromSourceFileNames(fileNames) { + var fromFileNames = ts.mapDefined(fileNames, function (j) { + if (!ts.hasJSFileExtension(j)) + return undefined; + var inferredTypingName = ts.removeFileExtension(ts.getBaseFileName(j.toLowerCase())); + var cleanedTypingName = ts.removeMinAndVersionNumbers(inferredTypingName); + return safeList.get(cleanedTypingName); + }); + if (fromFileNames.length) { + addInferredTypings(fromFileNames, "Inferred typings from file names"); + } + var hasJsxFile = ts.some(fileNames, function (f) { return ts.fileExtensionIs(f, ".jsx" /* Extension.Jsx */); }); + if (hasJsxFile) { + if (log) + log("Inferred 'react' typings due to presence of '.jsx' extension"); + addInferredTyping("react"); + } + } + } + JsTyping.discoverTypings = discoverTypings; + var NameValidationResult; + (function (NameValidationResult) { + NameValidationResult[NameValidationResult["Ok"] = 0] = "Ok"; + NameValidationResult[NameValidationResult["EmptyName"] = 1] = "EmptyName"; + NameValidationResult[NameValidationResult["NameTooLong"] = 2] = "NameTooLong"; + NameValidationResult[NameValidationResult["NameStartsWithDot"] = 3] = "NameStartsWithDot"; + NameValidationResult[NameValidationResult["NameStartsWithUnderscore"] = 4] = "NameStartsWithUnderscore"; + NameValidationResult[NameValidationResult["NameContainsNonURISafeCharacters"] = 5] = "NameContainsNonURISafeCharacters"; + })(NameValidationResult = JsTyping.NameValidationResult || (JsTyping.NameValidationResult = {})); + var maxPackageNameLength = 214; + /** + * Validates package name using rules defined at https://docs.npmjs.com/files/package.json + */ + function validatePackageName(packageName) { + return validatePackageNameWorker(packageName, /*supportScopedPackage*/ true); + } + JsTyping.validatePackageName = validatePackageName; + function validatePackageNameWorker(packageName, supportScopedPackage) { + if (!packageName) { + return 1 /* NameValidationResult.EmptyName */; + } + if (packageName.length > maxPackageNameLength) { + return 2 /* NameValidationResult.NameTooLong */; + } + if (packageName.charCodeAt(0) === 46 /* CharacterCodes.dot */) { + return 3 /* NameValidationResult.NameStartsWithDot */; + } + if (packageName.charCodeAt(0) === 95 /* CharacterCodes._ */) { + return 4 /* NameValidationResult.NameStartsWithUnderscore */; + } + // check if name is scope package like: starts with @ and has one '/' in the middle + // scoped packages are not currently supported + if (supportScopedPackage) { + var matches = /^@([^/]+)\/([^/]+)$/.exec(packageName); + if (matches) { + var scopeResult = validatePackageNameWorker(matches[1], /*supportScopedPackage*/ false); + if (scopeResult !== 0 /* NameValidationResult.Ok */) { + return { name: matches[1], isScopeName: true, result: scopeResult }; + } + var packageResult = validatePackageNameWorker(matches[2], /*supportScopedPackage*/ false); + if (packageResult !== 0 /* NameValidationResult.Ok */) { + return { name: matches[2], isScopeName: false, result: packageResult }; + } + return 0 /* NameValidationResult.Ok */; + } + } + if (encodeURIComponent(packageName) !== packageName) { + return 5 /* NameValidationResult.NameContainsNonURISafeCharacters */; + } + return 0 /* NameValidationResult.Ok */; + } + function renderPackageNameValidationFailure(result, typing) { + return typeof result === "object" ? + renderPackageNameValidationFailureWorker(typing, result.result, result.name, result.isScopeName) : + renderPackageNameValidationFailureWorker(typing, result, typing, /*isScopeName*/ false); + } + JsTyping.renderPackageNameValidationFailure = renderPackageNameValidationFailure; + function renderPackageNameValidationFailureWorker(typing, result, name, isScopeName) { + var kind = isScopeName ? "Scope" : "Package"; + switch (result) { + case 1 /* NameValidationResult.EmptyName */: + return "'".concat(typing, "':: ").concat(kind, " name '").concat(name, "' cannot be empty"); + case 2 /* NameValidationResult.NameTooLong */: + return "'".concat(typing, "':: ").concat(kind, " name '").concat(name, "' should be less than ").concat(maxPackageNameLength, " characters"); + case 3 /* NameValidationResult.NameStartsWithDot */: + return "'".concat(typing, "':: ").concat(kind, " name '").concat(name, "' cannot start with '.'"); + case 4 /* NameValidationResult.NameStartsWithUnderscore */: + return "'".concat(typing, "':: ").concat(kind, " name '").concat(name, "' cannot start with '_'"); + case 5 /* NameValidationResult.NameContainsNonURISafeCharacters */: + return "'".concat(typing, "':: ").concat(kind, " name '").concat(name, "' contains non URI safe characters"); + case 0 /* NameValidationResult.Ok */: + return ts.Debug.fail(); // Shouldn't have called this. + default: + throw ts.Debug.assertNever(result); + } + } + })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var ScriptSnapshot; + (function (ScriptSnapshot) { + var StringScriptSnapshot = /** @class */ (function () { + function StringScriptSnapshot(text) { + this.text = text; + } + StringScriptSnapshot.prototype.getText = function (start, end) { + return start === 0 && end === this.text.length + ? this.text + : this.text.substring(start, end); + }; + StringScriptSnapshot.prototype.getLength = function () { + return this.text.length; + }; + StringScriptSnapshot.prototype.getChangeRange = function () { + // Text-based snapshots do not support incremental parsing. Return undefined + // to signal that to the caller. + return undefined; + }; + return StringScriptSnapshot; + }()); + function fromString(text) { + return new StringScriptSnapshot(text); + } + ScriptSnapshot.fromString = fromString; + })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); + /* @internal */ + var PackageJsonDependencyGroup; + (function (PackageJsonDependencyGroup) { + PackageJsonDependencyGroup[PackageJsonDependencyGroup["Dependencies"] = 1] = "Dependencies"; + PackageJsonDependencyGroup[PackageJsonDependencyGroup["DevDependencies"] = 2] = "DevDependencies"; + PackageJsonDependencyGroup[PackageJsonDependencyGroup["PeerDependencies"] = 4] = "PeerDependencies"; + PackageJsonDependencyGroup[PackageJsonDependencyGroup["OptionalDependencies"] = 8] = "OptionalDependencies"; + PackageJsonDependencyGroup[PackageJsonDependencyGroup["All"] = 15] = "All"; + })(PackageJsonDependencyGroup = ts.PackageJsonDependencyGroup || (ts.PackageJsonDependencyGroup = {})); + /* @internal */ + var PackageJsonAutoImportPreference; + (function (PackageJsonAutoImportPreference) { + PackageJsonAutoImportPreference[PackageJsonAutoImportPreference["Off"] = 0] = "Off"; + PackageJsonAutoImportPreference[PackageJsonAutoImportPreference["On"] = 1] = "On"; + PackageJsonAutoImportPreference[PackageJsonAutoImportPreference["Auto"] = 2] = "Auto"; + })(PackageJsonAutoImportPreference = ts.PackageJsonAutoImportPreference || (ts.PackageJsonAutoImportPreference = {})); + var LanguageServiceMode; + (function (LanguageServiceMode) { + LanguageServiceMode[LanguageServiceMode["Semantic"] = 0] = "Semantic"; + LanguageServiceMode[LanguageServiceMode["PartialSemantic"] = 1] = "PartialSemantic"; + LanguageServiceMode[LanguageServiceMode["Syntactic"] = 2] = "Syntactic"; + })(LanguageServiceMode = ts.LanguageServiceMode || (ts.LanguageServiceMode = {})); + /* @internal */ + ts.emptyOptions = {}; + var SemanticClassificationFormat; + (function (SemanticClassificationFormat) { + SemanticClassificationFormat["Original"] = "original"; + SemanticClassificationFormat["TwentyTwenty"] = "2020"; + })(SemanticClassificationFormat = ts.SemanticClassificationFormat || (ts.SemanticClassificationFormat = {})); + var CompletionTriggerKind; + (function (CompletionTriggerKind) { + /** Completion was triggered by typing an identifier, manual invocation (e.g Ctrl+Space) or via API. */ + CompletionTriggerKind[CompletionTriggerKind["Invoked"] = 1] = "Invoked"; + /** Completion was triggered by a trigger character. */ + CompletionTriggerKind[CompletionTriggerKind["TriggerCharacter"] = 2] = "TriggerCharacter"; + /** Completion was re-triggered as the current completion list is incomplete. */ + CompletionTriggerKind[CompletionTriggerKind["TriggerForIncompleteCompletions"] = 3] = "TriggerForIncompleteCompletions"; + })(CompletionTriggerKind = ts.CompletionTriggerKind || (ts.CompletionTriggerKind = {})); + var InlayHintKind; + (function (InlayHintKind) { + InlayHintKind["Type"] = "Type"; + InlayHintKind["Parameter"] = "Parameter"; + InlayHintKind["Enum"] = "Enum"; + })(InlayHintKind = ts.InlayHintKind || (ts.InlayHintKind = {})); + var HighlightSpanKind; + (function (HighlightSpanKind) { + HighlightSpanKind["none"] = "none"; + HighlightSpanKind["definition"] = "definition"; + HighlightSpanKind["reference"] = "reference"; + HighlightSpanKind["writtenReference"] = "writtenReference"; + })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); + var IndentStyle; + (function (IndentStyle) { + IndentStyle[IndentStyle["None"] = 0] = "None"; + IndentStyle[IndentStyle["Block"] = 1] = "Block"; + IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; + })(IndentStyle = ts.IndentStyle || (ts.IndentStyle = {})); + var SemicolonPreference; + (function (SemicolonPreference) { + SemicolonPreference["Ignore"] = "ignore"; + SemicolonPreference["Insert"] = "insert"; + SemicolonPreference["Remove"] = "remove"; + })(SemicolonPreference = ts.SemicolonPreference || (ts.SemicolonPreference = {})); + function getDefaultFormatCodeSettings(newLineCharacter) { + return { + indentSize: 4, + tabSize: 4, + newLineCharacter: newLineCharacter || "\n", + convertTabsToSpaces: true, + indentStyle: IndentStyle.Smart, + insertSpaceAfterConstructor: false, + insertSpaceAfterCommaDelimiter: true, + insertSpaceAfterSemicolonInForStatements: true, + insertSpaceBeforeAndAfterBinaryOperators: true, + insertSpaceAfterKeywordsInControlFlowStatements: true, + insertSpaceAfterFunctionKeywordForAnonymousFunctions: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces: true, + insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, + insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false, + insertSpaceBeforeFunctionParenthesis: false, + placeOpenBraceOnNewLineForFunctions: false, + placeOpenBraceOnNewLineForControlBlocks: false, + semicolons: SemicolonPreference.Ignore, + trimTrailingWhitespace: true + }; + } + ts.getDefaultFormatCodeSettings = getDefaultFormatCodeSettings; + /* @internal */ + ts.testFormatSettings = getDefaultFormatCodeSettings("\n"); + var SymbolDisplayPartKind; + (function (SymbolDisplayPartKind) { + SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; + SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; + SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; + SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; + SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; + SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; + SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["link"] = 22] = "link"; + SymbolDisplayPartKind[SymbolDisplayPartKind["linkName"] = 23] = "linkName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["linkText"] = 24] = "linkText"; + })(SymbolDisplayPartKind = ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); + // Do not change existing values, as they exist in telemetry. + var CompletionInfoFlags; + (function (CompletionInfoFlags) { + CompletionInfoFlags[CompletionInfoFlags["None"] = 0] = "None"; + CompletionInfoFlags[CompletionInfoFlags["MayIncludeAutoImports"] = 1] = "MayIncludeAutoImports"; + CompletionInfoFlags[CompletionInfoFlags["IsImportStatementCompletion"] = 2] = "IsImportStatementCompletion"; + CompletionInfoFlags[CompletionInfoFlags["IsContinuation"] = 4] = "IsContinuation"; + CompletionInfoFlags[CompletionInfoFlags["ResolvedModuleSpecifiers"] = 8] = "ResolvedModuleSpecifiers"; + CompletionInfoFlags[CompletionInfoFlags["ResolvedModuleSpecifiersBeyondLimit"] = 16] = "ResolvedModuleSpecifiersBeyondLimit"; + CompletionInfoFlags[CompletionInfoFlags["MayIncludeMethodSnippets"] = 32] = "MayIncludeMethodSnippets"; + })(CompletionInfoFlags = ts.CompletionInfoFlags || (ts.CompletionInfoFlags = {})); + var OutliningSpanKind; + (function (OutliningSpanKind) { + /** Single or multi-line comments */ + OutliningSpanKind["Comment"] = "comment"; + /** Sections marked by '// #region' and '// #endregion' comments */ + OutliningSpanKind["Region"] = "region"; + /** Declarations and expressions */ + OutliningSpanKind["Code"] = "code"; + /** Contiguous blocks of import declarations */ + OutliningSpanKind["Imports"] = "imports"; + })(OutliningSpanKind = ts.OutliningSpanKind || (ts.OutliningSpanKind = {})); + var OutputFileType; + (function (OutputFileType) { + OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; + OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; + OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; + })(OutputFileType = ts.OutputFileType || (ts.OutputFileType = {})); + var EndOfLineState; + (function (EndOfLineState) { + EndOfLineState[EndOfLineState["None"] = 0] = "None"; + EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; + EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; + EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; + EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; + EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; + EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; + })(EndOfLineState = ts.EndOfLineState || (ts.EndOfLineState = {})); + var TokenClass; + (function (TokenClass) { + TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; + TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; + TokenClass[TokenClass["Operator"] = 2] = "Operator"; + TokenClass[TokenClass["Comment"] = 3] = "Comment"; + TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; + TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; + TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; + TokenClass[TokenClass["BigIntLiteral"] = 7] = "BigIntLiteral"; + TokenClass[TokenClass["StringLiteral"] = 8] = "StringLiteral"; + TokenClass[TokenClass["RegExpLiteral"] = 9] = "RegExpLiteral"; + })(TokenClass = ts.TokenClass || (ts.TokenClass = {})); + var ScriptElementKind; + (function (ScriptElementKind) { + ScriptElementKind["unknown"] = ""; + ScriptElementKind["warning"] = "warning"; + /** predefined type (void) or keyword (class) */ + ScriptElementKind["keyword"] = "keyword"; + /** top level script node */ + ScriptElementKind["scriptElement"] = "script"; + /** module foo {} */ + ScriptElementKind["moduleElement"] = "module"; + /** class X {} */ + ScriptElementKind["classElement"] = "class"; + /** var x = class X {} */ + ScriptElementKind["localClassElement"] = "local class"; + /** interface Y {} */ + ScriptElementKind["interfaceElement"] = "interface"; + /** type T = ... */ + ScriptElementKind["typeElement"] = "type"; + /** enum E */ + ScriptElementKind["enumElement"] = "enum"; + ScriptElementKind["enumMemberElement"] = "enum member"; + /** + * Inside module and script only + * const v = .. + */ + ScriptElementKind["variableElement"] = "var"; + /** Inside function */ + ScriptElementKind["localVariableElement"] = "local var"; + /** + * Inside module and script only + * function f() { } + */ + ScriptElementKind["functionElement"] = "function"; + /** Inside function */ + ScriptElementKind["localFunctionElement"] = "local function"; + /** class X { [public|private]* foo() {} } */ + ScriptElementKind["memberFunctionElement"] = "method"; + /** class X { [public|private]* [get|set] foo:number; } */ + ScriptElementKind["memberGetAccessorElement"] = "getter"; + ScriptElementKind["memberSetAccessorElement"] = "setter"; + /** + * class X { [public|private]* foo:number; } + * interface Y { foo:number; } + */ + ScriptElementKind["memberVariableElement"] = "property"; + /** + * class X { constructor() { } } + * class X { static { } } + */ + ScriptElementKind["constructorImplementationElement"] = "constructor"; + /** interface Y { ():number; } */ + ScriptElementKind["callSignatureElement"] = "call"; + /** interface Y { []:number; } */ + ScriptElementKind["indexSignatureElement"] = "index"; + /** interface Y { new():Y; } */ + ScriptElementKind["constructSignatureElement"] = "construct"; + /** function foo(*Y*: string) */ + ScriptElementKind["parameterElement"] = "parameter"; + ScriptElementKind["typeParameterElement"] = "type parameter"; + ScriptElementKind["primitiveType"] = "primitive type"; + ScriptElementKind["label"] = "label"; + ScriptElementKind["alias"] = "alias"; + ScriptElementKind["constElement"] = "const"; + ScriptElementKind["letElement"] = "let"; + ScriptElementKind["directory"] = "directory"; + ScriptElementKind["externalModuleName"] = "external module name"; + /** + * + * @deprecated + */ + ScriptElementKind["jsxAttribute"] = "JSX attribute"; + /** String literal */ + ScriptElementKind["string"] = "string"; + /** Jsdoc @link: in `{@link C link text}`, the before and after text "{@link " and "}" */ + ScriptElementKind["link"] = "link"; + /** Jsdoc @link: in `{@link C link text}`, the entity name "C" */ + ScriptElementKind["linkName"] = "link name"; + /** Jsdoc @link: in `{@link C link text}`, the link text "link text" */ + ScriptElementKind["linkText"] = "link text"; + })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); + var ScriptElementKindModifier; + (function (ScriptElementKindModifier) { + ScriptElementKindModifier["none"] = ""; + ScriptElementKindModifier["publicMemberModifier"] = "public"; + ScriptElementKindModifier["privateMemberModifier"] = "private"; + ScriptElementKindModifier["protectedMemberModifier"] = "protected"; + ScriptElementKindModifier["exportedModifier"] = "export"; + ScriptElementKindModifier["ambientModifier"] = "declare"; + ScriptElementKindModifier["staticModifier"] = "static"; + ScriptElementKindModifier["abstractModifier"] = "abstract"; + ScriptElementKindModifier["optionalModifier"] = "optional"; + ScriptElementKindModifier["deprecatedModifier"] = "deprecated"; + ScriptElementKindModifier["dtsModifier"] = ".d.ts"; + ScriptElementKindModifier["tsModifier"] = ".ts"; + ScriptElementKindModifier["tsxModifier"] = ".tsx"; + ScriptElementKindModifier["jsModifier"] = ".js"; + ScriptElementKindModifier["jsxModifier"] = ".jsx"; + ScriptElementKindModifier["jsonModifier"] = ".json"; + ScriptElementKindModifier["dmtsModifier"] = ".d.mts"; + ScriptElementKindModifier["mtsModifier"] = ".mts"; + ScriptElementKindModifier["mjsModifier"] = ".mjs"; + ScriptElementKindModifier["dctsModifier"] = ".d.cts"; + ScriptElementKindModifier["ctsModifier"] = ".cts"; + ScriptElementKindModifier["cjsModifier"] = ".cjs"; + })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); + var ClassificationTypeNames; + (function (ClassificationTypeNames) { + ClassificationTypeNames["comment"] = "comment"; + ClassificationTypeNames["identifier"] = "identifier"; + ClassificationTypeNames["keyword"] = "keyword"; + ClassificationTypeNames["numericLiteral"] = "number"; + ClassificationTypeNames["bigintLiteral"] = "bigint"; + ClassificationTypeNames["operator"] = "operator"; + ClassificationTypeNames["stringLiteral"] = "string"; + ClassificationTypeNames["whiteSpace"] = "whitespace"; + ClassificationTypeNames["text"] = "text"; + ClassificationTypeNames["punctuation"] = "punctuation"; + ClassificationTypeNames["className"] = "class name"; + ClassificationTypeNames["enumName"] = "enum name"; + ClassificationTypeNames["interfaceName"] = "interface name"; + ClassificationTypeNames["moduleName"] = "module name"; + ClassificationTypeNames["typeParameterName"] = "type parameter name"; + ClassificationTypeNames["typeAliasName"] = "type alias name"; + ClassificationTypeNames["parameterName"] = "parameter name"; + ClassificationTypeNames["docCommentTagName"] = "doc comment tag name"; + ClassificationTypeNames["jsxOpenTagName"] = "jsx open tag name"; + ClassificationTypeNames["jsxCloseTagName"] = "jsx close tag name"; + ClassificationTypeNames["jsxSelfClosingTagName"] = "jsx self closing tag name"; + ClassificationTypeNames["jsxAttribute"] = "jsx attribute"; + ClassificationTypeNames["jsxText"] = "jsx text"; + ClassificationTypeNames["jsxAttributeStringLiteralValue"] = "jsx attribute string literal value"; + })(ClassificationTypeNames = ts.ClassificationTypeNames || (ts.ClassificationTypeNames = {})); + var ClassificationType; + (function (ClassificationType) { + ClassificationType[ClassificationType["comment"] = 1] = "comment"; + ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; + ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; + ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; + ClassificationType[ClassificationType["operator"] = 5] = "operator"; + ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; + ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; + ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; + ClassificationType[ClassificationType["text"] = 9] = "text"; + ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; + ClassificationType[ClassificationType["className"] = 11] = "className"; + ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; + ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; + ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; + ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; + ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; + ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; + ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; + ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; + ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; + ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; + ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; + ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; + ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; + ClassificationType[ClassificationType["bigintLiteral"] = 25] = "bigintLiteral"; + })(ClassificationType = ts.ClassificationType || (ts.ClassificationType = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + // These utilities are common to multiple language service features. + //#region + ts.scanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ true); + var SemanticMeaning; + (function (SemanticMeaning) { + SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; + SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; + SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; + SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; + SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; + })(SemanticMeaning = ts.SemanticMeaning || (ts.SemanticMeaning = {})); + function getMeaningFromDeclaration(node) { + switch (node.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + return ts.isInJSFile(node) && ts.getJSDocEnumTag(node) ? 7 /* SemanticMeaning.All */ : 1 /* SemanticMeaning.Value */; + case 164 /* SyntaxKind.Parameter */: + case 203 /* SyntaxKind.BindingElement */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 292 /* SyntaxKind.CatchClause */: + case 285 /* SyntaxKind.JsxAttribute */: + return 1 /* SemanticMeaning.Value */; + case 163 /* SyntaxKind.TypeParameter */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 182 /* SyntaxKind.TypeLiteral */: + return 2 /* SemanticMeaning.Type */; + case 345 /* SyntaxKind.JSDocTypedefTag */: + // If it has no name node, it shares the name with the value declaration below it. + return node.name === undefined ? 1 /* SemanticMeaning.Value */ | 2 /* SemanticMeaning.Type */ : 2 /* SemanticMeaning.Type */; + case 299 /* SyntaxKind.EnumMember */: + case 257 /* SyntaxKind.ClassDeclaration */: + return 1 /* SemanticMeaning.Value */ | 2 /* SemanticMeaning.Type */; + case 261 /* SyntaxKind.ModuleDeclaration */: + if (ts.isAmbientModule(node)) { + return 4 /* SemanticMeaning.Namespace */ | 1 /* SemanticMeaning.Value */; + } + else if (ts.getModuleInstanceState(node) === 1 /* ModuleInstanceState.Instantiated */) { + return 4 /* SemanticMeaning.Namespace */ | 1 /* SemanticMeaning.Value */; + } + else { + return 4 /* SemanticMeaning.Namespace */; + } + case 260 /* SyntaxKind.EnumDeclaration */: + case 269 /* SyntaxKind.NamedImports */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: + case 271 /* SyntaxKind.ExportAssignment */: + case 272 /* SyntaxKind.ExportDeclaration */: + return 7 /* SemanticMeaning.All */; + // An external module can be a Value + case 305 /* SyntaxKind.SourceFile */: + return 4 /* SemanticMeaning.Namespace */ | 1 /* SemanticMeaning.Value */; + } + return 7 /* SemanticMeaning.All */; + } + ts.getMeaningFromDeclaration = getMeaningFromDeclaration; + function getMeaningFromLocation(node) { + node = getAdjustedReferenceLocation(node); + var parent = node.parent; + if (node.kind === 305 /* SyntaxKind.SourceFile */) { + return 1 /* SemanticMeaning.Value */; + } + else if (ts.isExportAssignment(parent) + || ts.isExportSpecifier(parent) + || ts.isExternalModuleReference(parent) + || ts.isImportSpecifier(parent) + || ts.isImportClause(parent) + || ts.isImportEqualsDeclaration(parent) && node === parent.name) { + return 7 /* SemanticMeaning.All */; + } + else if (isInRightSideOfInternalImportEqualsDeclaration(node)) { + return getMeaningFromRightHandSideOfImportEquals(node); + } + else if (ts.isDeclarationName(node)) { + return getMeaningFromDeclaration(parent); + } + else if (ts.isEntityName(node) && ts.findAncestor(node, ts.or(ts.isJSDocNameReference, ts.isJSDocLinkLike, ts.isJSDocMemberName))) { + return 7 /* SemanticMeaning.All */; + } + else if (isTypeReference(node)) { + return 2 /* SemanticMeaning.Type */; + } + else if (isNamespaceReference(node)) { + return 4 /* SemanticMeaning.Namespace */; + } + else if (ts.isTypeParameterDeclaration(parent)) { + ts.Debug.assert(ts.isJSDocTemplateTag(parent.parent)); // Else would be handled by isDeclarationName + return 2 /* SemanticMeaning.Type */; + } + else if (ts.isLiteralTypeNode(parent)) { + // This might be T["name"], which is actually referencing a property and not a type. So allow both meanings. + return 2 /* SemanticMeaning.Type */ | 1 /* SemanticMeaning.Value */; + } + else { + return 1 /* SemanticMeaning.Value */; + } + } + ts.getMeaningFromLocation = getMeaningFromLocation; + function getMeaningFromRightHandSideOfImportEquals(node) { + // import a = |b|; // Namespace + // import a = |b.c|; // Value, type, namespace + // import a = |b.c|.d; // Namespace + var name = node.kind === 161 /* SyntaxKind.QualifiedName */ ? node : ts.isQualifiedName(node.parent) && node.parent.right === node ? node.parent : undefined; + return name && name.parent.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ ? 7 /* SemanticMeaning.All */ : 4 /* SemanticMeaning.Namespace */; + } + function isInRightSideOfInternalImportEqualsDeclaration(node) { + while (node.parent.kind === 161 /* SyntaxKind.QualifiedName */) { + node = node.parent; + } + return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; + } + ts.isInRightSideOfInternalImportEqualsDeclaration = isInRightSideOfInternalImportEqualsDeclaration; + function isNamespaceReference(node) { + return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); + } + function isQualifiedNameNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 161 /* SyntaxKind.QualifiedName */) { + while (root.parent && root.parent.kind === 161 /* SyntaxKind.QualifiedName */) { + root = root.parent; + } + isLastClause = root.right === node; + } + return root.parent.kind === 178 /* SyntaxKind.TypeReference */ && !isLastClause; + } + function isPropertyAccessNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + while (root.parent && root.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + root = root.parent; + } + isLastClause = root.name === node; + } + if (!isLastClause && root.parent.kind === 228 /* SyntaxKind.ExpressionWithTypeArguments */ && root.parent.parent.kind === 291 /* SyntaxKind.HeritageClause */) { + var decl = root.parent.parent.parent; + return (decl.kind === 257 /* SyntaxKind.ClassDeclaration */ && root.parent.parent.token === 117 /* SyntaxKind.ImplementsKeyword */) || + (decl.kind === 258 /* SyntaxKind.InterfaceDeclaration */ && root.parent.parent.token === 94 /* SyntaxKind.ExtendsKeyword */); + } + return false; + } + function isTypeReference(node) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + switch (node.kind) { + case 108 /* SyntaxKind.ThisKeyword */: + return !ts.isExpressionNode(node); + case 192 /* SyntaxKind.ThisType */: + return true; + } + switch (node.parent.kind) { + case 178 /* SyntaxKind.TypeReference */: + return true; + case 200 /* SyntaxKind.ImportType */: + return !node.parent.isTypeOf; + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return ts.isPartOfTypeNode(node.parent); + } + return false; + } + function isCallExpressionTarget(node, includeElementAccess, skipPastOuterExpressions) { + if (includeElementAccess === void 0) { includeElementAccess = false; } + if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; } + return isCalleeWorker(node, ts.isCallExpression, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions); + } + ts.isCallExpressionTarget = isCallExpressionTarget; + function isNewExpressionTarget(node, includeElementAccess, skipPastOuterExpressions) { + if (includeElementAccess === void 0) { includeElementAccess = false; } + if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; } + return isCalleeWorker(node, ts.isNewExpression, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions); + } + ts.isNewExpressionTarget = isNewExpressionTarget; + function isCallOrNewExpressionTarget(node, includeElementAccess, skipPastOuterExpressions) { + if (includeElementAccess === void 0) { includeElementAccess = false; } + if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; } + return isCalleeWorker(node, ts.isCallOrNewExpression, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions); + } + ts.isCallOrNewExpressionTarget = isCallOrNewExpressionTarget; + function isTaggedTemplateTag(node, includeElementAccess, skipPastOuterExpressions) { + if (includeElementAccess === void 0) { includeElementAccess = false; } + if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; } + return isCalleeWorker(node, ts.isTaggedTemplateExpression, selectTagOfTaggedTemplateExpression, includeElementAccess, skipPastOuterExpressions); + } + ts.isTaggedTemplateTag = isTaggedTemplateTag; + function isDecoratorTarget(node, includeElementAccess, skipPastOuterExpressions) { + if (includeElementAccess === void 0) { includeElementAccess = false; } + if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; } + return isCalleeWorker(node, ts.isDecorator, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions); + } + ts.isDecoratorTarget = isDecoratorTarget; + function isJsxOpeningLikeElementTagName(node, includeElementAccess, skipPastOuterExpressions) { + if (includeElementAccess === void 0) { includeElementAccess = false; } + if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; } + return isCalleeWorker(node, ts.isJsxOpeningLikeElement, selectTagNameOfJsxOpeningLikeElement, includeElementAccess, skipPastOuterExpressions); + } + ts.isJsxOpeningLikeElementTagName = isJsxOpeningLikeElementTagName; + function selectExpressionOfCallOrNewExpressionOrDecorator(node) { + return node.expression; + } + function selectTagOfTaggedTemplateExpression(node) { + return node.tag; + } + function selectTagNameOfJsxOpeningLikeElement(node) { + return node.tagName; + } + function isCalleeWorker(node, pred, calleeSelector, includeElementAccess, skipPastOuterExpressions) { + var target = includeElementAccess ? climbPastPropertyOrElementAccess(node) : climbPastPropertyAccess(node); + if (skipPastOuterExpressions) { + target = ts.skipOuterExpressions(target); + } + return !!target && !!target.parent && pred(target.parent) && calleeSelector(target.parent) === target; + } + function climbPastPropertyAccess(node) { + return isRightSideOfPropertyAccess(node) ? node.parent : node; + } + ts.climbPastPropertyAccess = climbPastPropertyAccess; + function climbPastPropertyOrElementAccess(node) { + return isRightSideOfPropertyAccess(node) || isArgumentExpressionOfElementAccess(node) ? node.parent : node; + } + ts.climbPastPropertyOrElementAccess = climbPastPropertyOrElementAccess; + function getTargetLabel(referenceNode, labelName) { + while (referenceNode) { + if (referenceNode.kind === 250 /* SyntaxKind.LabeledStatement */ && referenceNode.label.escapedText === labelName) { + return referenceNode.label; + } + referenceNode = referenceNode.parent; + } + return undefined; + } + ts.getTargetLabel = getTargetLabel; + function hasPropertyAccessExpressionWithName(node, funcName) { + if (!ts.isPropertyAccessExpression(node.expression)) { + return false; + } + return node.expression.name.text === funcName; + } + ts.hasPropertyAccessExpressionWithName = hasPropertyAccessExpressionWithName; + function isJumpStatementTarget(node) { + var _a; + return ts.isIdentifier(node) && ((_a = ts.tryCast(node.parent, ts.isBreakOrContinueStatement)) === null || _a === void 0 ? void 0 : _a.label) === node; + } + ts.isJumpStatementTarget = isJumpStatementTarget; + function isLabelOfLabeledStatement(node) { + var _a; + return ts.isIdentifier(node) && ((_a = ts.tryCast(node.parent, ts.isLabeledStatement)) === null || _a === void 0 ? void 0 : _a.label) === node; + } + ts.isLabelOfLabeledStatement = isLabelOfLabeledStatement; + function isLabelName(node) { + return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); + } + ts.isLabelName = isLabelName; + function isTagName(node) { + var _a; + return ((_a = ts.tryCast(node.parent, ts.isJSDocTag)) === null || _a === void 0 ? void 0 : _a.tagName) === node; + } + ts.isTagName = isTagName; + function isRightSideOfQualifiedName(node) { + var _a; + return ((_a = ts.tryCast(node.parent, ts.isQualifiedName)) === null || _a === void 0 ? void 0 : _a.right) === node; + } + ts.isRightSideOfQualifiedName = isRightSideOfQualifiedName; + function isRightSideOfPropertyAccess(node) { + var _a; + return ((_a = ts.tryCast(node.parent, ts.isPropertyAccessExpression)) === null || _a === void 0 ? void 0 : _a.name) === node; + } + ts.isRightSideOfPropertyAccess = isRightSideOfPropertyAccess; + function isArgumentExpressionOfElementAccess(node) { + var _a; + return ((_a = ts.tryCast(node.parent, ts.isElementAccessExpression)) === null || _a === void 0 ? void 0 : _a.argumentExpression) === node; + } + ts.isArgumentExpressionOfElementAccess = isArgumentExpressionOfElementAccess; + function isNameOfModuleDeclaration(node) { + var _a; + return ((_a = ts.tryCast(node.parent, ts.isModuleDeclaration)) === null || _a === void 0 ? void 0 : _a.name) === node; + } + ts.isNameOfModuleDeclaration = isNameOfModuleDeclaration; + function isNameOfFunctionDeclaration(node) { + var _a; + return ts.isIdentifier(node) && ((_a = ts.tryCast(node.parent, ts.isFunctionLike)) === null || _a === void 0 ? void 0 : _a.name) === node; + } + ts.isNameOfFunctionDeclaration = isNameOfFunctionDeclaration; + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { + switch (node.parent.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 299 /* SyntaxKind.EnumMember */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 261 /* SyntaxKind.ModuleDeclaration */: + return ts.getNameOfDeclaration(node.parent) === node; + case 207 /* SyntaxKind.ElementAccessExpression */: + return node.parent.argumentExpression === node; + case 162 /* SyntaxKind.ComputedPropertyName */: + return true; + case 196 /* SyntaxKind.LiteralType */: + return node.parent.parent.kind === 194 /* SyntaxKind.IndexedAccessType */; + default: + return false; + } + } + ts.isLiteralNameOfPropertyDeclarationOrIndexAccess = isLiteralNameOfPropertyDeclarationOrIndexAccess; + function isExpressionOfExternalModuleImportEqualsDeclaration(node) { + return ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node; + } + ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration; + function getContainerNode(node) { + if (ts.isJSDocTypeAlias(node)) { + // This doesn't just apply to the node immediately under the comment, but to everything in its parent's scope. + // node.parent = the JSDoc comment, node.parent.parent = the node having the comment. + // Then we get parent again in the loop. + node = node.parent.parent; + } + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 305 /* SyntaxKind.SourceFile */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + return node; + } + } + } + ts.getContainerNode = getContainerNode; + function getNodeKind(node) { + switch (node.kind) { + case 305 /* SyntaxKind.SourceFile */: + return ts.isExternalModule(node) ? "module" /* ScriptElementKind.moduleElement */ : "script" /* ScriptElementKind.scriptElement */; + case 261 /* SyntaxKind.ModuleDeclaration */: + return "module" /* ScriptElementKind.moduleElement */; + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return "class" /* ScriptElementKind.classElement */; + case 258 /* SyntaxKind.InterfaceDeclaration */: return "interface" /* ScriptElementKind.interfaceElement */; + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + return "type" /* ScriptElementKind.typeElement */; + case 260 /* SyntaxKind.EnumDeclaration */: return "enum" /* ScriptElementKind.enumElement */; + case 254 /* SyntaxKind.VariableDeclaration */: + return getKindOfVariableDeclaration(node); + case 203 /* SyntaxKind.BindingElement */: + return getKindOfVariableDeclaration(ts.getRootDeclaration(node)); + case 214 /* SyntaxKind.ArrowFunction */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + return "function" /* ScriptElementKind.functionElement */; + case 172 /* SyntaxKind.GetAccessor */: return "getter" /* ScriptElementKind.memberGetAccessorElement */; + case 173 /* SyntaxKind.SetAccessor */: return "setter" /* ScriptElementKind.memberSetAccessorElement */; + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + return "method" /* ScriptElementKind.memberFunctionElement */; + case 296 /* SyntaxKind.PropertyAssignment */: + var initializer = node.initializer; + return ts.isFunctionLike(initializer) ? "method" /* ScriptElementKind.memberFunctionElement */ : "property" /* ScriptElementKind.memberVariableElement */; + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 298 /* SyntaxKind.SpreadAssignment */: + return "property" /* ScriptElementKind.memberVariableElement */; + case 176 /* SyntaxKind.IndexSignature */: return "index" /* ScriptElementKind.indexSignatureElement */; + case 175 /* SyntaxKind.ConstructSignature */: return "construct" /* ScriptElementKind.constructSignatureElement */; + case 174 /* SyntaxKind.CallSignature */: return "call" /* ScriptElementKind.callSignatureElement */; + case 171 /* SyntaxKind.Constructor */: + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + return "constructor" /* ScriptElementKind.constructorImplementationElement */; + case 163 /* SyntaxKind.TypeParameter */: return "type parameter" /* ScriptElementKind.typeParameterElement */; + case 299 /* SyntaxKind.EnumMember */: return "enum member" /* ScriptElementKind.enumMemberElement */; + case 164 /* SyntaxKind.Parameter */: return ts.hasSyntacticModifier(node, 16476 /* ModifierFlags.ParameterPropertyModifier */) ? "property" /* ScriptElementKind.memberVariableElement */ : "parameter" /* ScriptElementKind.parameterElement */; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: + case 268 /* SyntaxKind.NamespaceImport */: + case 274 /* SyntaxKind.NamespaceExport */: + return "alias" /* ScriptElementKind.alias */; + case 221 /* SyntaxKind.BinaryExpression */: + var kind = ts.getAssignmentDeclarationKind(node); + var right = node.right; + switch (kind) { + case 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */: + case 8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */: + case 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */: + case 0 /* AssignmentDeclarationKind.None */: + return "" /* ScriptElementKind.unknown */; + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + case 2 /* AssignmentDeclarationKind.ModuleExports */: + var rightKind = getNodeKind(right); + return rightKind === "" /* ScriptElementKind.unknown */ ? "const" /* ScriptElementKind.constElement */ : rightKind; + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: + return ts.isFunctionExpression(right) ? "method" /* ScriptElementKind.memberFunctionElement */ : "property" /* ScriptElementKind.memberVariableElement */; + case 4 /* AssignmentDeclarationKind.ThisProperty */: + return "property" /* ScriptElementKind.memberVariableElement */; // property + case 5 /* AssignmentDeclarationKind.Property */: + // static method / property + return ts.isFunctionExpression(right) ? "method" /* ScriptElementKind.memberFunctionElement */ : "property" /* ScriptElementKind.memberVariableElement */; + case 6 /* AssignmentDeclarationKind.Prototype */: + return "local class" /* ScriptElementKind.localClassElement */; + default: { + ts.assertType(kind); + return "" /* ScriptElementKind.unknown */; + } + } + case 79 /* SyntaxKind.Identifier */: + return ts.isImportClause(node.parent) ? "alias" /* ScriptElementKind.alias */ : "" /* ScriptElementKind.unknown */; + case 271 /* SyntaxKind.ExportAssignment */: + var scriptKind = getNodeKind(node.expression); + // If the expression didn't come back with something (like it does for an identifiers) + return scriptKind === "" /* ScriptElementKind.unknown */ ? "const" /* ScriptElementKind.constElement */ : scriptKind; + default: + return "" /* ScriptElementKind.unknown */; + } + function getKindOfVariableDeclaration(v) { + return ts.isVarConst(v) + ? "const" /* ScriptElementKind.constElement */ + : ts.isLet(v) + ? "let" /* ScriptElementKind.letElement */ + : "var" /* ScriptElementKind.variableElement */; + } + } + ts.getNodeKind = getNodeKind; + function isThis(node) { + switch (node.kind) { + case 108 /* SyntaxKind.ThisKeyword */: + // case SyntaxKind.ThisType: TODO: GH#9267 + return true; + case 79 /* SyntaxKind.Identifier */: + // 'this' as a parameter + return ts.identifierIsThisKeyword(node) && node.parent.kind === 164 /* SyntaxKind.Parameter */; + default: + return false; + } + } + ts.isThis = isThis; + // Matches the beginning of a triple slash directive + var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= range.end; + } + ts.startEndContainsRange = startEndContainsRange; + function rangeContainsStartEnd(range, start, end) { + return range.pos <= start && range.end >= end; + } + ts.rangeContainsStartEnd = rangeContainsStartEnd; + function rangeOverlapsWithStartEnd(r1, start, end) { + return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); + } + ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; + function nodeOverlapsWithStartEnd(node, sourceFile, start, end) { + return startEndOverlapsWithStartEnd(node.getStart(sourceFile), node.end, start, end); + } + ts.nodeOverlapsWithStartEnd = nodeOverlapsWithStartEnd; + function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { + var start = Math.max(start1, start2); + var end = Math.min(end1, end2); + return start < end; + } + ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; + /** + * Assumes `candidate.start <= position` holds. + */ + function positionBelongsToNode(candidate, position, sourceFile) { + ts.Debug.assert(candidate.pos <= position); + return position < candidate.end || !isCompletedNode(candidate, sourceFile); + } + ts.positionBelongsToNode = positionBelongsToNode; + function isCompletedNode(n, sourceFile) { + if (n === undefined || ts.nodeIsMissing(n)) { + return false; + } + switch (n.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 182 /* SyntaxKind.TypeLiteral */: + case 235 /* SyntaxKind.Block */: + case 262 /* SyntaxKind.ModuleBlock */: + case 263 /* SyntaxKind.CaseBlock */: + case 269 /* SyntaxKind.NamedImports */: + case 273 /* SyntaxKind.NamedExports */: + return nodeEndsWith(n, 19 /* SyntaxKind.CloseBraceToken */, sourceFile); + case 292 /* SyntaxKind.CatchClause */: + return isCompletedNode(n.block, sourceFile); + case 209 /* SyntaxKind.NewExpression */: + if (!n.arguments) { + return true; + } + // falls through + case 208 /* SyntaxKind.CallExpression */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + case 191 /* SyntaxKind.ParenthesizedType */: + return nodeEndsWith(n, 21 /* SyntaxKind.CloseParenToken */, sourceFile); + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + return isCompletedNode(n.type, sourceFile); + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 214 /* SyntaxKind.ArrowFunction */: + if (n.body) { + return isCompletedNode(n.body, sourceFile); + } + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + // Even though type parameters can be unclosed, we can get away with + // having at least a closing paren. + return hasChildOfKind(n, 21 /* SyntaxKind.CloseParenToken */, sourceFile); + case 261 /* SyntaxKind.ModuleDeclaration */: + return !!n.body && isCompletedNode(n.body, sourceFile); + case 239 /* SyntaxKind.IfStatement */: + if (n.elseStatement) { + return isCompletedNode(n.elseStatement, sourceFile); + } + return isCompletedNode(n.thenStatement, sourceFile); + case 238 /* SyntaxKind.ExpressionStatement */: + return isCompletedNode(n.expression, sourceFile) || + hasChildOfKind(n, 26 /* SyntaxKind.SemicolonToken */, sourceFile); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + case 202 /* SyntaxKind.ArrayBindingPattern */: + case 207 /* SyntaxKind.ElementAccessExpression */: + case 162 /* SyntaxKind.ComputedPropertyName */: + case 184 /* SyntaxKind.TupleType */: + return nodeEndsWith(n, 23 /* SyntaxKind.CloseBracketToken */, sourceFile); + case 176 /* SyntaxKind.IndexSignature */: + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + return hasChildOfKind(n, 23 /* SyntaxKind.CloseBracketToken */, sourceFile); + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + // there is no such thing as terminator token for CaseClause/DefaultClause so for simplicity always consider them non-completed + return false; + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 241 /* SyntaxKind.WhileStatement */: + return isCompletedNode(n.statement, sourceFile); + case 240 /* SyntaxKind.DoStatement */: + // rough approximation: if DoStatement has While keyword - then if node is completed is checking the presence of ')'; + return hasChildOfKind(n, 115 /* SyntaxKind.WhileKeyword */, sourceFile) + ? nodeEndsWith(n, 21 /* SyntaxKind.CloseParenToken */, sourceFile) + : isCompletedNode(n.statement, sourceFile); + case 181 /* SyntaxKind.TypeQuery */: + return isCompletedNode(n.exprName, sourceFile); + case 216 /* SyntaxKind.TypeOfExpression */: + case 215 /* SyntaxKind.DeleteExpression */: + case 217 /* SyntaxKind.VoidExpression */: + case 224 /* SyntaxKind.YieldExpression */: + case 225 /* SyntaxKind.SpreadElement */: + var unaryWordExpression = n; + return isCompletedNode(unaryWordExpression.expression, sourceFile); + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return isCompletedNode(n.template, sourceFile); + case 223 /* SyntaxKind.TemplateExpression */: + var lastSpan = ts.lastOrUndefined(n.templateSpans); + return isCompletedNode(lastSpan, sourceFile); + case 233 /* SyntaxKind.TemplateSpan */: + return ts.nodeIsPresent(n.literal); + case 272 /* SyntaxKind.ExportDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: + return ts.nodeIsPresent(n.moduleSpecifier); + case 219 /* SyntaxKind.PrefixUnaryExpression */: + return isCompletedNode(n.operand, sourceFile); + case 221 /* SyntaxKind.BinaryExpression */: + return isCompletedNode(n.right, sourceFile); + case 222 /* SyntaxKind.ConditionalExpression */: + return isCompletedNode(n.whenFalse, sourceFile); + default: + return true; + } + } + /* + * Checks if node ends with 'expectedLastToken'. + * If child at position 'length - 1' is 'SemicolonToken' it is skipped and 'expectedLastToken' is compared with child at position 'length - 2'. + */ + function nodeEndsWith(n, expectedLastToken, sourceFile) { + var children = n.getChildren(sourceFile); + if (children.length) { + var lastChild = ts.last(children); + if (lastChild.kind === expectedLastToken) { + return true; + } + else if (lastChild.kind === 26 /* SyntaxKind.SemicolonToken */ && children.length !== 1) { + return children[children.length - 2].kind === expectedLastToken; + } + } + return false; + } + function findListItemInfo(node) { + var list = findContainingList(node); + // It is possible at this point for syntaxList to be undefined, either if + // node.parent had no list child, or if none of its list children contained + // the span of node. If this happens, return undefined. The caller should + // handle this case. + if (!list) { + return undefined; + } + var children = list.getChildren(); + var listItemIndex = ts.indexOfNode(children, node); + return { + listItemIndex: listItemIndex, + list: list + }; + } + ts.findListItemInfo = findListItemInfo; + function hasChildOfKind(n, kind, sourceFile) { + return !!findChildOfKind(n, kind, sourceFile); + } + ts.hasChildOfKind = hasChildOfKind; + function findChildOfKind(n, kind, sourceFile) { + return ts.find(n.getChildren(sourceFile), function (c) { return c.kind === kind; }); + } + ts.findChildOfKind = findChildOfKind; + function findContainingList(node) { + // The node might be a list element (nonsynthetic) or a comma (synthetic). Either way, it will + // be parented by the container of the SyntaxList, not the SyntaxList itself. + // In order to find the list item index, we first need to locate SyntaxList itself and then search + // for the position of the relevant node (or comma). + var syntaxList = ts.find(node.parent.getChildren(), function (c) { return ts.isSyntaxList(c) && rangeContainsRange(c, node); }); + // Either we didn't find an appropriate list, or the list must contain us. + ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); + return syntaxList; + } + ts.findContainingList = findContainingList; + function isDefaultModifier(node) { + return node.kind === 88 /* SyntaxKind.DefaultKeyword */; + } + function isClassKeyword(node) { + return node.kind === 84 /* SyntaxKind.ClassKeyword */; + } + function isFunctionKeyword(node) { + return node.kind === 98 /* SyntaxKind.FunctionKeyword */; + } + function getAdjustedLocationForClass(node) { + if (ts.isNamedDeclaration(node)) { + return node.name; + } + if (ts.isClassDeclaration(node)) { + // for class and function declarations, use the `default` modifier + // when the declaration is unnamed. + var defaultModifier = node.modifiers && ts.find(node.modifiers, isDefaultModifier); + if (defaultModifier) + return defaultModifier; + } + if (ts.isClassExpression(node)) { + // for class expressions, use the `class` keyword when the class is unnamed + var classKeyword = ts.find(node.getChildren(), isClassKeyword); + if (classKeyword) + return classKeyword; + } + } + function getAdjustedLocationForFunction(node) { + if (ts.isNamedDeclaration(node)) { + return node.name; + } + if (ts.isFunctionDeclaration(node)) { + // for class and function declarations, use the `default` modifier + // when the declaration is unnamed. + var defaultModifier = ts.find(node.modifiers, isDefaultModifier); + if (defaultModifier) + return defaultModifier; + } + if (ts.isFunctionExpression(node)) { + // for function expressions, use the `function` keyword when the function is unnamed + var functionKeyword = ts.find(node.getChildren(), isFunctionKeyword); + if (functionKeyword) + return functionKeyword; + } + } + function getAncestorTypeNode(node) { + var lastTypeNode; + ts.findAncestor(node, function (a) { + if (ts.isTypeNode(a)) { + lastTypeNode = a; + } + return !ts.isQualifiedName(a.parent) && !ts.isTypeNode(a.parent) && !ts.isTypeElement(a.parent); + }); + return lastTypeNode; + } + function getContextualTypeFromParentOrAncestorTypeNode(node, checker) { + var contextualType = getContextualTypeFromParent(node, checker); + if (contextualType) + return contextualType; + var ancestorTypeNode = getAncestorTypeNode(node); + return ancestorTypeNode && checker.getTypeAtLocation(ancestorTypeNode); + } + ts.getContextualTypeFromParentOrAncestorTypeNode = getContextualTypeFromParentOrAncestorTypeNode; + function getAdjustedLocationForDeclaration(node, forRename) { + if (!forRename) { + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + return getAdjustedLocationForClass(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + return getAdjustedLocationForFunction(node); + } + } + if (ts.isNamedDeclaration(node)) { + return node.name; + } + } + function getAdjustedLocationForImportDeclaration(node, forRename) { + if (node.importClause) { + if (node.importClause.name && node.importClause.namedBindings) { + // do not adjust if we have both a name and named bindings + return; + } + // /**/import [|name|] from ...; + // import /**/type [|name|] from ...; + if (node.importClause.name) { + return node.importClause.name; + } + // /**/import { [|name|] } from ...; + // /**/import { propertyName as [|name|] } from ...; + // /**/import * as [|name|] from ...; + // import /**/type { [|name|] } from ...; + // import /**/type { propertyName as [|name|] } from ...; + // import /**/type * as [|name|] from ...; + if (node.importClause.namedBindings) { + if (ts.isNamedImports(node.importClause.namedBindings)) { + // do nothing if there is more than one binding + var onlyBinding = ts.singleOrUndefined(node.importClause.namedBindings.elements); + if (!onlyBinding) { + return; + } + return onlyBinding.name; + } + else if (ts.isNamespaceImport(node.importClause.namedBindings)) { + return node.importClause.namedBindings.name; + } + } + } + if (!forRename) { + // /**/import "[|module|]"; + // /**/import ... from "[|module|]"; + // import /**/type ... from "[|module|]"; + return node.moduleSpecifier; + } + } + function getAdjustedLocationForExportDeclaration(node, forRename) { + if (node.exportClause) { + // /**/export { [|name|] } ... + // /**/export { propertyName as [|name|] } ... + // /**/export * as [|name|] ... + // export /**/type { [|name|] } from ... + // export /**/type { propertyName as [|name|] } from ... + // export /**/type * as [|name|] ... + if (ts.isNamedExports(node.exportClause)) { + // do nothing if there is more than one binding + var onlyBinding = ts.singleOrUndefined(node.exportClause.elements); + if (!onlyBinding) { + return; + } + return node.exportClause.elements[0].name; + } + else if (ts.isNamespaceExport(node.exportClause)) { + return node.exportClause.name; + } + } + if (!forRename) { + // /**/export * from "[|module|]"; + // export /**/type * from "[|module|]"; + return node.moduleSpecifier; + } + } + function getAdjustedLocationForHeritageClause(node) { + // /**/extends [|name|] + // /**/implements [|name|] + if (node.types.length === 1) { + return node.types[0].expression; + } + // /**/extends name1, name2 ... + // /**/implements name1, name2 ... + } + function getAdjustedLocation(node, forRename) { + var parent = node.parent; + // /**/ [|name|] ... + // /**/ [|name|] ... + // /**/ [|name|] ... + // /**/import [|name|] = ... + // + // NOTE: If the node is a modifier, we don't adjust its location if it is the `default` modifier as that is handled + // specially by `getSymbolAtLocation`. + if (ts.isModifier(node) && (forRename || node.kind !== 88 /* SyntaxKind.DefaultKeyword */) ? ts.contains(parent.modifiers, node) : + node.kind === 84 /* SyntaxKind.ClassKeyword */ ? ts.isClassDeclaration(parent) || ts.isClassExpression(node) : + node.kind === 98 /* SyntaxKind.FunctionKeyword */ ? ts.isFunctionDeclaration(parent) || ts.isFunctionExpression(node) : + node.kind === 118 /* SyntaxKind.InterfaceKeyword */ ? ts.isInterfaceDeclaration(parent) : + node.kind === 92 /* SyntaxKind.EnumKeyword */ ? ts.isEnumDeclaration(parent) : + node.kind === 152 /* SyntaxKind.TypeKeyword */ ? ts.isTypeAliasDeclaration(parent) : + node.kind === 142 /* SyntaxKind.NamespaceKeyword */ || node.kind === 141 /* SyntaxKind.ModuleKeyword */ ? ts.isModuleDeclaration(parent) : + node.kind === 100 /* SyntaxKind.ImportKeyword */ ? ts.isImportEqualsDeclaration(parent) : + node.kind === 136 /* SyntaxKind.GetKeyword */ ? ts.isGetAccessorDeclaration(parent) : + node.kind === 149 /* SyntaxKind.SetKeyword */ && ts.isSetAccessorDeclaration(parent)) { + var location = getAdjustedLocationForDeclaration(parent, forRename); + if (location) { + return location; + } + } + // /**/ [|name|] ... + if ((node.kind === 113 /* SyntaxKind.VarKeyword */ || node.kind === 85 /* SyntaxKind.ConstKeyword */ || node.kind === 119 /* SyntaxKind.LetKeyword */) && + ts.isVariableDeclarationList(parent) && parent.declarations.length === 1) { + var decl = parent.declarations[0]; + if (ts.isIdentifier(decl.name)) { + return decl.name; + } + } + if (node.kind === 152 /* SyntaxKind.TypeKeyword */) { + // import /**/type [|name|] from ...; + // import /**/type { [|name|] } from ...; + // import /**/type { propertyName as [|name|] } from ...; + // import /**/type ... from "[|module|]"; + if (ts.isImportClause(parent) && parent.isTypeOnly) { + var location = getAdjustedLocationForImportDeclaration(parent.parent, forRename); + if (location) { + return location; + } + } + // export /**/type { [|name|] } from ...; + // export /**/type { propertyName as [|name|] } from ...; + // export /**/type * from "[|module|]"; + // export /**/type * as ... from "[|module|]"; + if (ts.isExportDeclaration(parent) && parent.isTypeOnly) { + var location = getAdjustedLocationForExportDeclaration(parent, forRename); + if (location) { + return location; + } + } + } + // import { propertyName /**/as [|name|] } ... + // import * /**/as [|name|] ... + // export { propertyName /**/as [|name|] } ... + // export * /**/as [|name|] ... + if (node.kind === 127 /* SyntaxKind.AsKeyword */) { + if (ts.isImportSpecifier(parent) && parent.propertyName || + ts.isExportSpecifier(parent) && parent.propertyName || + ts.isNamespaceImport(parent) || + ts.isNamespaceExport(parent)) { + return parent.name; + } + if (ts.isExportDeclaration(parent) && parent.exportClause && ts.isNamespaceExport(parent.exportClause)) { + return parent.exportClause.name; + } + } + // /**/import [|name|] from ...; + // /**/import { [|name|] } from ...; + // /**/import { propertyName as [|name|] } from ...; + // /**/import ... from "[|module|]"; + // /**/import "[|module|]"; + if (node.kind === 100 /* SyntaxKind.ImportKeyword */ && ts.isImportDeclaration(parent)) { + var location = getAdjustedLocationForImportDeclaration(parent, forRename); + if (location) { + return location; + } + } + if (node.kind === 93 /* SyntaxKind.ExportKeyword */) { + // /**/export { [|name|] } ...; + // /**/export { propertyName as [|name|] } ...; + // /**/export * from "[|module|]"; + // /**/export * as ... from "[|module|]"; + if (ts.isExportDeclaration(parent)) { + var location = getAdjustedLocationForExportDeclaration(parent, forRename); + if (location) { + return location; + } + } + // NOTE: We don't adjust the location of the `default` keyword as that is handled specially by `getSymbolAtLocation`. + // /**/export default [|name|]; + // /**/export = [|name|]; + if (ts.isExportAssignment(parent)) { + return ts.skipOuterExpressions(parent.expression); + } + } + // import name = /**/require("[|module|]"); + if (node.kind === 146 /* SyntaxKind.RequireKeyword */ && ts.isExternalModuleReference(parent)) { + return parent.expression; + } + // import ... /**/from "[|module|]"; + // export ... /**/from "[|module|]"; + if (node.kind === 156 /* SyntaxKind.FromKeyword */ && (ts.isImportDeclaration(parent) || ts.isExportDeclaration(parent)) && parent.moduleSpecifier) { + return parent.moduleSpecifier; + } + // class ... /**/extends [|name|] ... + // class ... /**/implements [|name|] ... + // class ... /**/implements name1, name2 ... + // interface ... /**/extends [|name|] ... + // interface ... /**/extends name1, name2 ... + if ((node.kind === 94 /* SyntaxKind.ExtendsKeyword */ || node.kind === 117 /* SyntaxKind.ImplementsKeyword */) && ts.isHeritageClause(parent) && parent.token === node.kind) { + var location = getAdjustedLocationForHeritageClause(parent); + if (location) { + return location; + } + } + if (node.kind === 94 /* SyntaxKind.ExtendsKeyword */) { + // ... ... + if (ts.isTypeParameterDeclaration(parent) && parent.constraint && ts.isTypeReferenceNode(parent.constraint)) { + return parent.constraint.typeName; + } + // ... T /**/extends [|U|] ? ... + if (ts.isConditionalTypeNode(parent) && ts.isTypeReferenceNode(parent.extendsType)) { + return parent.extendsType.typeName; + } + } + // ... T extends /**/infer [|U|] ? ... + if (node.kind === 137 /* SyntaxKind.InferKeyword */ && ts.isInferTypeNode(parent)) { + return parent.typeParameter.name; + } + // { [ [|K|] /**/in keyof T]: ... } + if (node.kind === 101 /* SyntaxKind.InKeyword */ && ts.isTypeParameterDeclaration(parent) && ts.isMappedTypeNode(parent.parent)) { + return parent.name; + } + // /**/keyof [|T|] + if (node.kind === 140 /* SyntaxKind.KeyOfKeyword */ && ts.isTypeOperatorNode(parent) && parent.operator === 140 /* SyntaxKind.KeyOfKeyword */ && + ts.isTypeReferenceNode(parent.type)) { + return parent.type.typeName; + } + // /**/readonly [|name|][] + if (node.kind === 145 /* SyntaxKind.ReadonlyKeyword */ && ts.isTypeOperatorNode(parent) && parent.operator === 145 /* SyntaxKind.ReadonlyKeyword */ && + ts.isArrayTypeNode(parent.type) && ts.isTypeReferenceNode(parent.type.elementType)) { + return parent.type.elementType.typeName; + } + if (!forRename) { + // /**/new [|name|] + // /**/void [|name|] + // /**/void obj.[|name|] + // /**/typeof [|name|] + // /**/typeof obj.[|name|] + // /**/await [|name|] + // /**/await obj.[|name|] + // /**/yield [|name|] + // /**/yield obj.[|name|] + // /**/delete obj.[|name|] + if (node.kind === 103 /* SyntaxKind.NewKeyword */ && ts.isNewExpression(parent) || + node.kind === 114 /* SyntaxKind.VoidKeyword */ && ts.isVoidExpression(parent) || + node.kind === 112 /* SyntaxKind.TypeOfKeyword */ && ts.isTypeOfExpression(parent) || + node.kind === 132 /* SyntaxKind.AwaitKeyword */ && ts.isAwaitExpression(parent) || + node.kind === 125 /* SyntaxKind.YieldKeyword */ && ts.isYieldExpression(parent) || + node.kind === 89 /* SyntaxKind.DeleteKeyword */ && ts.isDeleteExpression(parent)) { + if (parent.expression) { + return ts.skipOuterExpressions(parent.expression); + } + } + // left /**/in [|name|] + // left /**/instanceof [|name|] + if ((node.kind === 101 /* SyntaxKind.InKeyword */ || node.kind === 102 /* SyntaxKind.InstanceOfKeyword */) && ts.isBinaryExpression(parent) && parent.operatorToken === node) { + return ts.skipOuterExpressions(parent.right); + } + // left /**/as [|name|] + if (node.kind === 127 /* SyntaxKind.AsKeyword */ && ts.isAsExpression(parent) && ts.isTypeReferenceNode(parent.type)) { + return parent.type.typeName; + } + // for (... /**/in [|name|]) + // for (... /**/of [|name|]) + if (node.kind === 101 /* SyntaxKind.InKeyword */ && ts.isForInStatement(parent) || + node.kind === 160 /* SyntaxKind.OfKeyword */ && ts.isForOfStatement(parent)) { + return ts.skipOuterExpressions(parent.expression); + } + } + return node; + } + /** + * Adjusts the location used for "find references" and "go to definition" when the cursor was not + * on a property name. + */ + function getAdjustedReferenceLocation(node) { + return getAdjustedLocation(node, /*forRename*/ false); + } + ts.getAdjustedReferenceLocation = getAdjustedReferenceLocation; + /** + * Adjusts the location used for "rename" when the cursor was not on a property name. + */ + function getAdjustedRenameLocation(node) { + return getAdjustedLocation(node, /*forRename*/ true); + } + ts.getAdjustedRenameLocation = getAdjustedRenameLocation; + /** + * Gets the token whose text has range [start, end) and + * position >= start and (position < end or (position === end && token is literal or keyword or identifier)) + */ + function getTouchingPropertyName(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return ts.isPropertyNameLiteral(n) || ts.isKeyword(n.kind) || ts.isPrivateIdentifier(n); }); + } + ts.getTouchingPropertyName = getTouchingPropertyName; + /** + * Returns the token if position is in [start, end). + * If position === end, returns the preceding token if includeItemAtEndPosition(previousToken) === true + */ + function getTouchingToken(sourceFile, position, includePrecedingTokenAtEndPosition) { + return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ false, includePrecedingTokenAtEndPosition, /*includeEndPosition*/ false); + } + ts.getTouchingToken = getTouchingToken; + /** Returns a token if position is in [start-of-leading-trivia, end) */ + function getTokenAtPosition(sourceFile, position) { + return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ true, /*includePrecedingTokenAtEndPosition*/ undefined, /*includeEndPosition*/ false); + } + ts.getTokenAtPosition = getTokenAtPosition; + /** Get the token whose text contains the position */ + function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includePrecedingTokenAtEndPosition, includeEndPosition) { + var current = sourceFile; + var foundToken; + var _loop_1 = function () { + // find the child that contains 'position' + var children = current.getChildren(sourceFile); + var i = ts.binarySearchKey(children, position, function (_, i) { return i; }, function (middle, _) { + // This last callback is more of a selector than a comparator - + // `EqualTo` causes the `middle` result to be returned + // `GreaterThan` causes recursion on the left of the middle + // `LessThan` causes recursion on the right of the middle + // Let's say you have 3 nodes, spanning positons + // pos: 1, end: 3 + // pos: 3, end: 3 + // pos: 3, end: 5 + // and you're looking for the token at positon 3 - all 3 of these nodes are overlapping with position 3. + // In fact, there's a _good argument_ that node 2 shouldn't even be allowed to exist - depending on if + // the start or end of the ranges are considered inclusive, it's either wholly subsumed by the first or the last node. + // Unfortunately, such nodes do exist. :( - See fourslash/completionsImport_tsx.tsx - empty jsx attributes create + // a zero-length node. + // What also you may not expect is that which node we return depends on the includePrecedingTokenAtEndPosition flag. + // Specifically, if includePrecedingTokenAtEndPosition is set, we return the 1-3 node, while if it's unset, we + // return the 3-5 node. (The zero length node is never correct.) This is because the includePrecedingTokenAtEndPosition + // flag causes us to return the first node whose end position matches the position and which produces and acceptable token + // kind. Meanwhile, if includePrecedingTokenAtEndPosition is unset, we look for the first node whose start is <= the + // position and whose end is greater than the position. + var start = allowPositionInLeadingTrivia ? children[middle].getFullStart() : children[middle].getStart(sourceFile, /*includeJsDoc*/ true); + if (start > position) { + return 1 /* Comparison.GreaterThan */; + } + // first element whose start position is before the input and whose end position is after or equal to the input + if (nodeContainsPosition(children[middle])) { + if (children[middle - 1]) { + // we want the _first_ element that contains the position, so left-recur if the prior node also contains the position + if (nodeContainsPosition(children[middle - 1])) { + return 1 /* Comparison.GreaterThan */; + } + } + return 0 /* Comparison.EqualTo */; + } + // this complex condition makes us left-recur around a zero-length node when includePrecedingTokenAtEndPosition is set, rather than right-recur on it + if (includePrecedingTokenAtEndPosition && start === position && children[middle - 1] && children[middle - 1].getEnd() === position && nodeContainsPosition(children[middle - 1])) { + return 1 /* Comparison.GreaterThan */; + } + return -1 /* Comparison.LessThan */; + }); + if (foundToken) { + return { value: foundToken }; + } + if (i >= 0 && children[i]) { + current = children[i]; + return "continue-outer"; + } + return { value: current }; + }; + outer: while (true) { + var state_1 = _loop_1(); + if (typeof state_1 === "object") + return state_1.value; + switch (state_1) { + case "continue-outer": continue outer; + } + } + function nodeContainsPosition(node) { + var start = allowPositionInLeadingTrivia ? node.getFullStart() : node.getStart(sourceFile, /*includeJsDoc*/ true); + if (start > position) { + // If this child begins after position, then all subsequent children will as well. + return false; + } + var end = node.getEnd(); + if (position < end || (position === end && (node.kind === 1 /* SyntaxKind.EndOfFileToken */ || includeEndPosition))) { + return true; + } + else if (includePrecedingTokenAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, node); + if (previousToken && includePrecedingTokenAtEndPosition(previousToken)) { + foundToken = previousToken; + return true; + } + } + return false; + } + } + /** + * Returns the first token where position is in [start, end), + * excluding `JsxText` tokens containing only whitespace. + */ + function findFirstNonJsxWhitespaceToken(sourceFile, position) { + var tokenAtPosition = getTokenAtPosition(sourceFile, position); + while (isWhiteSpaceOnlyJsxText(tokenAtPosition)) { + var nextToken = findNextToken(tokenAtPosition, tokenAtPosition.parent, sourceFile); + if (!nextToken) + return; + tokenAtPosition = nextToken; + } + return tokenAtPosition; + } + ts.findFirstNonJsxWhitespaceToken = findFirstNonJsxWhitespaceToken; + /** + * The token on the left of the position is the token that strictly includes the position + * or sits to the left of the cursor if it is on a boundary. For example + * + * fo|o -> will return foo + * foo |bar -> will return foo + * + */ + function findTokenOnLeftOfPosition(file, position) { + // Ideally, getTokenAtPosition should return a token. However, it is currently + // broken, so we do a check to make sure the result was indeed a token. + var tokenAtPosition = getTokenAtPosition(file, position); + if (ts.isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { + return tokenAtPosition; + } + return findPrecedingToken(position, file); + } + ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; + function findNextToken(previousToken, parent, sourceFile) { + return find(parent); + function find(n) { + if (ts.isToken(n) && n.pos === previousToken.end) { + // this is token that starts at the end of previous token - return it + return n; + } + return ts.firstDefined(n.getChildren(sourceFile), function (child) { + var shouldDiveInChildNode = + // previous token is enclosed somewhere in the child + (child.pos <= previousToken.pos && child.end > previousToken.end) || + // previous token ends exactly at the beginning of child + (child.pos === previousToken.end); + return shouldDiveInChildNode && nodeHasTokens(child, sourceFile) ? find(child) : undefined; + }); + } + } + ts.findNextToken = findNextToken; + function findPrecedingToken(position, sourceFile, startNode, excludeJsdoc) { + var result = find((startNode || sourceFile)); + ts.Debug.assert(!(result && isWhiteSpaceOnlyJsxText(result))); + return result; + function find(n) { + if (isNonWhitespaceToken(n) && n.kind !== 1 /* SyntaxKind.EndOfFileToken */) { + return n; + } + var children = n.getChildren(sourceFile); + var i = ts.binarySearchKey(children, position, function (_, i) { return i; }, function (middle, _) { + // This last callback is more of a selector than a comparator - + // `EqualTo` causes the `middle` result to be returned + // `GreaterThan` causes recursion on the left of the middle + // `LessThan` causes recursion on the right of the middle + if (position < children[middle].end) { + // first element whose end position is greater than the input position + if (!children[middle - 1] || position >= children[middle - 1].end) { + return 0 /* Comparison.EqualTo */; + } + return 1 /* Comparison.GreaterThan */; + } + return -1 /* Comparison.LessThan */; + }); + if (i >= 0 && children[i]) { + var child = children[i]; + // Note that the span of a node's tokens is [node.getStart(...), node.end). + // Given that `position < child.end` and child has constituent tokens, we distinguish these cases: + // 1) `position` precedes `child`'s tokens or `child` has no tokens (ie: in a comment or whitespace preceding `child`): + // we need to find the last token in a previous child. + // 2) `position` is within the same span: we recurse on `child`. + if (position < child.end) { + var start = child.getStart(sourceFile, /*includeJsDoc*/ !excludeJsdoc); + var lookInPreviousChild = (start >= position) || // cursor in the leading trivia + !nodeHasTokens(child, sourceFile) || + isWhiteSpaceOnlyJsxText(child); + if (lookInPreviousChild) { + // actual start of the node is past the position - previous token should be at the end of previous child + var candidate_1 = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ i, sourceFile, n.kind); + return candidate_1 && findRightmostToken(candidate_1, sourceFile); + } + else { + // candidate should be in this node + return find(child); + } + } + } + ts.Debug.assert(startNode !== undefined || n.kind === 305 /* SyntaxKind.SourceFile */ || n.kind === 1 /* SyntaxKind.EndOfFileToken */ || ts.isJSDocCommentContainingNode(n)); + // Here we know that none of child token nodes embrace the position, + // the only known case is when position is at the end of the file. + // Try to find the rightmost token in the file without filtering. + // Namely we are skipping the check: 'position < node.end' + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length, sourceFile, n.kind); + return candidate && findRightmostToken(candidate, sourceFile); + } + } + ts.findPrecedingToken = findPrecedingToken; + function isNonWhitespaceToken(n) { + return ts.isToken(n) && !isWhiteSpaceOnlyJsxText(n); + } + function findRightmostToken(n, sourceFile) { + if (isNonWhitespaceToken(n)) { + return n; + } + var children = n.getChildren(sourceFile); + if (children.length === 0) { + return n; + } + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length, sourceFile, n.kind); + return candidate && findRightmostToken(candidate, sourceFile); + } + /** + * Finds the rightmost child to the left of `children[exclusiveStartPosition]` which is a non-all-whitespace token or has constituent tokens. + */ + function findRightmostChildNodeWithTokens(children, exclusiveStartPosition, sourceFile, parentKind) { + for (var i = exclusiveStartPosition - 1; i >= 0; i--) { + var child = children[i]; + if (isWhiteSpaceOnlyJsxText(child)) { + if (i === 0 && (parentKind === 11 /* SyntaxKind.JsxText */ || parentKind === 279 /* SyntaxKind.JsxSelfClosingElement */)) { + ts.Debug.fail("`JsxText` tokens should not be the first child of `JsxElement | JsxSelfClosingElement`"); + } + } + else if (nodeHasTokens(children[i], sourceFile)) { + return children[i]; + } + } + } + function isInString(sourceFile, position, previousToken) { + if (previousToken === void 0) { previousToken = findPrecedingToken(position, sourceFile); } + if (previousToken && ts.isStringTextContainingNode(previousToken)) { + var start = previousToken.getStart(sourceFile); + var end = previousToken.getEnd(); + // To be "in" one of these literals, the position has to be: + // 1. entirely within the token text. + // 2. at the end position of an unterminated token. + // 3. at the end of a regular expression (due to trailing flags like '/foo/g'). + if (start < position && position < end) { + return true; + } + if (position === end) { + return !!previousToken.isUnterminated; + } + } + return false; + } + ts.isInString = isInString; + /** + * returns true if the position is in between the open and close elements of an JSX expression. + */ + function isInsideJsxElementOrAttribute(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + if (!token) { + return false; + } + if (token.kind === 11 /* SyntaxKind.JsxText */) { + return true; + } + //
    Hello |
    + if (token.kind === 29 /* SyntaxKind.LessThanToken */ && token.parent.kind === 11 /* SyntaxKind.JsxText */) { + return true; + } + //
    { |
    or
    + if (token.kind === 29 /* SyntaxKind.LessThanToken */ && token.parent.kind === 288 /* SyntaxKind.JsxExpression */) { + return true; + } + //
    { + // | + // } < /div> + if (token && token.kind === 19 /* SyntaxKind.CloseBraceToken */ && token.parent.kind === 288 /* SyntaxKind.JsxExpression */) { + return true; + } + //
    |
    + if (token.kind === 29 /* SyntaxKind.LessThanToken */ && token.parent.kind === 281 /* SyntaxKind.JsxClosingElement */) { + return true; + } + return false; + } + ts.isInsideJsxElementOrAttribute = isInsideJsxElementOrAttribute; + function isWhiteSpaceOnlyJsxText(node) { + return ts.isJsxText(node) && node.containsOnlyTriviaWhiteSpaces; + } + function isInTemplateString(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return ts.isTemplateLiteralKind(token.kind) && position > token.getStart(sourceFile); + } + ts.isInTemplateString = isInTemplateString; + function isInJSXText(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + if (ts.isJsxText(token)) { + return true; + } + if (token.kind === 18 /* SyntaxKind.OpenBraceToken */ && ts.isJsxExpression(token.parent) && ts.isJsxElement(token.parent.parent)) { + return true; + } + if (token.kind === 29 /* SyntaxKind.LessThanToken */ && ts.isJsxOpeningLikeElement(token.parent) && ts.isJsxElement(token.parent.parent)) { + return true; + } + return false; + } + ts.isInJSXText = isInJSXText; + function isInsideJsxElement(sourceFile, position) { + function isInsideJsxElementTraversal(node) { + while (node) { + if (node.kind >= 279 /* SyntaxKind.JsxSelfClosingElement */ && node.kind <= 288 /* SyntaxKind.JsxExpression */ + || node.kind === 11 /* SyntaxKind.JsxText */ + || node.kind === 29 /* SyntaxKind.LessThanToken */ + || node.kind === 31 /* SyntaxKind.GreaterThanToken */ + || node.kind === 79 /* SyntaxKind.Identifier */ + || node.kind === 19 /* SyntaxKind.CloseBraceToken */ + || node.kind === 18 /* SyntaxKind.OpenBraceToken */ + || node.kind === 43 /* SyntaxKind.SlashToken */) { + node = node.parent; + } + else if (node.kind === 278 /* SyntaxKind.JsxElement */) { + if (position > node.getStart(sourceFile)) + return true; + node = node.parent; + } + else { + return false; + } + } + return false; + } + return isInsideJsxElementTraversal(getTokenAtPosition(sourceFile, position)); + } + ts.isInsideJsxElement = isInsideJsxElement; + function findPrecedingMatchingToken(token, matchingTokenKind, sourceFile) { + var closeTokenText = ts.tokenToString(token.kind); + var matchingTokenText = ts.tokenToString(matchingTokenKind); + var tokenFullStart = token.getFullStart(); + // Text-scan based fast path - can be bamboozled by comments and other trivia, but often provides + // a good, fast approximation without too much extra work in the cases where it fails. + var bestGuessIndex = sourceFile.text.lastIndexOf(matchingTokenText, tokenFullStart); + if (bestGuessIndex === -1) { + return undefined; // if the token text doesn't appear in the file, there can't be a match - super fast bail + } + // we can only use the textual result directly if we didn't have to count any close tokens within the range + if (sourceFile.text.lastIndexOf(closeTokenText, tokenFullStart - 1) < bestGuessIndex) { + var nodeAtGuess = findPrecedingToken(bestGuessIndex + 1, sourceFile); + if (nodeAtGuess && nodeAtGuess.kind === matchingTokenKind) { + return nodeAtGuess; + } + } + var tokenKind = token.kind; + var remainingMatchingTokens = 0; + while (true) { + var preceding = findPrecedingToken(token.getFullStart(), sourceFile); + if (!preceding) { + return undefined; + } + token = preceding; + if (token.kind === matchingTokenKind) { + if (remainingMatchingTokens === 0) { + return token; + } + remainingMatchingTokens--; + } + else if (token.kind === tokenKind) { + remainingMatchingTokens++; + } + } + } + ts.findPrecedingMatchingToken = findPrecedingMatchingToken; + function removeOptionality(type, isOptionalExpression, isOptionalChain) { + return isOptionalExpression ? type.getNonNullableType() : + isOptionalChain ? type.getNonOptionalType() : + type; + } + ts.removeOptionality = removeOptionality; + function isPossiblyTypeArgumentPosition(token, sourceFile, checker) { + var info = getPossibleTypeArgumentsInfo(token, sourceFile); + return info !== undefined && (ts.isPartOfTypeNode(info.called) || + getPossibleGenericSignatures(info.called, info.nTypeArguments, checker).length !== 0 || + isPossiblyTypeArgumentPosition(info.called, sourceFile, checker)); + } + ts.isPossiblyTypeArgumentPosition = isPossiblyTypeArgumentPosition; + function getPossibleGenericSignatures(called, typeArgumentCount, checker) { + var type = checker.getTypeAtLocation(called); + if (ts.isOptionalChain(called.parent)) { + type = removeOptionality(type, ts.isOptionalChainRoot(called.parent), /*isOptionalChain*/ true); + } + var signatures = ts.isNewExpression(called.parent) ? type.getConstructSignatures() : type.getCallSignatures(); + return signatures.filter(function (candidate) { return !!candidate.typeParameters && candidate.typeParameters.length >= typeArgumentCount; }); + } + ts.getPossibleGenericSignatures = getPossibleGenericSignatures; + // Get info for an expression like `f <` that may be the start of type arguments. + function getPossibleTypeArgumentsInfo(tokenIn, sourceFile) { + // This is a rare case, but one that saves on a _lot_ of work if true - if the source file has _no_ `<` character, + // then there obviously can't be any type arguments - no expensive brace-matching backwards scanning required + if (sourceFile.text.lastIndexOf("<", tokenIn ? tokenIn.pos : sourceFile.text.length) === -1) { + return undefined; + } + var token = tokenIn; + // This function determines if the node could be type argument position + // Since during editing, when type argument list is not complete, + // the tree could be of any shape depending on the tokens parsed before current node, + // scanning of the previous identifier followed by "<" before current node would give us better result + // Note that we also balance out the already provided type arguments, arrays, object literals while doing so + var remainingLessThanTokens = 0; + var nTypeArguments = 0; + while (token) { + switch (token.kind) { + case 29 /* SyntaxKind.LessThanToken */: + // Found the beginning of the generic argument expression + token = findPrecedingToken(token.getFullStart(), sourceFile); + if (token && token.kind === 28 /* SyntaxKind.QuestionDotToken */) { + token = findPrecedingToken(token.getFullStart(), sourceFile); + } + if (!token || !ts.isIdentifier(token)) + return undefined; + if (!remainingLessThanTokens) { + return ts.isDeclarationName(token) ? undefined : { called: token, nTypeArguments: nTypeArguments }; + } + remainingLessThanTokens--; + break; + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: + remainingLessThanTokens = +3; + break; + case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: + remainingLessThanTokens = +2; + break; + case 31 /* SyntaxKind.GreaterThanToken */: + remainingLessThanTokens++; + break; + case 19 /* SyntaxKind.CloseBraceToken */: + // This can be object type, skip until we find the matching open brace token + // Skip until the matching open brace token + token = findPrecedingMatchingToken(token, 18 /* SyntaxKind.OpenBraceToken */, sourceFile); + if (!token) + return undefined; + break; + case 21 /* SyntaxKind.CloseParenToken */: + // This can be object type, skip until we find the matching open brace token + // Skip until the matching open brace token + token = findPrecedingMatchingToken(token, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + if (!token) + return undefined; + break; + case 23 /* SyntaxKind.CloseBracketToken */: + // This can be object type, skip until we find the matching open brace token + // Skip until the matching open brace token + token = findPrecedingMatchingToken(token, 22 /* SyntaxKind.OpenBracketToken */, sourceFile); + if (!token) + return undefined; + break; + // Valid tokens in a type name. Skip. + case 27 /* SyntaxKind.CommaToken */: + nTypeArguments++; + break; + case 38 /* SyntaxKind.EqualsGreaterThanToken */: + // falls through + case 79 /* SyntaxKind.Identifier */: + case 10 /* SyntaxKind.StringLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + case 9 /* SyntaxKind.BigIntLiteral */: + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + // falls through + case 112 /* SyntaxKind.TypeOfKeyword */: + case 94 /* SyntaxKind.ExtendsKeyword */: + case 140 /* SyntaxKind.KeyOfKeyword */: + case 24 /* SyntaxKind.DotToken */: + case 51 /* SyntaxKind.BarToken */: + case 57 /* SyntaxKind.QuestionToken */: + case 58 /* SyntaxKind.ColonToken */: + break; + default: + if (ts.isTypeNode(token)) { + break; + } + // Invalid token in type + return undefined; + } + token = findPrecedingToken(token.getFullStart(), sourceFile); + } + return undefined; + } + ts.getPossibleTypeArgumentsInfo = getPossibleTypeArgumentsInfo; + /** + * Returns true if the cursor at position in sourceFile is within a comment. + * + * @param tokenAtPosition Must equal `getTokenAtPosition(sourceFile, position) + * @param predicate Additional predicate to test on the comment range. + */ + function isInComment(sourceFile, position, tokenAtPosition) { + return ts.formatting.getRangeOfEnclosingComment(sourceFile, position, /*precedingToken*/ undefined, tokenAtPosition); + } + ts.isInComment = isInComment; + function hasDocComment(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return !!ts.findAncestor(token, ts.isJSDoc); + } + ts.hasDocComment = hasDocComment; + function nodeHasTokens(n, sourceFile) { + // If we have a token or node that has a non-zero width, it must have tokens. + // Note: getWidth() does not take trivia into account. + return n.kind === 1 /* SyntaxKind.EndOfFileToken */ ? !!n.jsDoc : n.getWidth(sourceFile) !== 0; + } + function getNodeModifiers(node, excludeFlags) { + if (excludeFlags === void 0) { excludeFlags = 0 /* ModifierFlags.None */; } + var result = []; + var flags = ts.isDeclaration(node) + ? ts.getCombinedNodeFlagsAlwaysIncludeJSDoc(node) & ~excludeFlags + : 0 /* ModifierFlags.None */; + if (flags & 8 /* ModifierFlags.Private */) + result.push("private" /* ScriptElementKindModifier.privateMemberModifier */); + if (flags & 16 /* ModifierFlags.Protected */) + result.push("protected" /* ScriptElementKindModifier.protectedMemberModifier */); + if (flags & 4 /* ModifierFlags.Public */) + result.push("public" /* ScriptElementKindModifier.publicMemberModifier */); + if (flags & 32 /* ModifierFlags.Static */ || ts.isClassStaticBlockDeclaration(node)) + result.push("static" /* ScriptElementKindModifier.staticModifier */); + if (flags & 128 /* ModifierFlags.Abstract */) + result.push("abstract" /* ScriptElementKindModifier.abstractModifier */); + if (flags & 1 /* ModifierFlags.Export */) + result.push("export" /* ScriptElementKindModifier.exportedModifier */); + if (flags & 8192 /* ModifierFlags.Deprecated */) + result.push("deprecated" /* ScriptElementKindModifier.deprecatedModifier */); + if (node.flags & 16777216 /* NodeFlags.Ambient */) + result.push("declare" /* ScriptElementKindModifier.ambientModifier */); + if (node.kind === 271 /* SyntaxKind.ExportAssignment */) + result.push("export" /* ScriptElementKindModifier.exportedModifier */); + return result.length > 0 ? result.join(",") : "" /* ScriptElementKindModifier.none */; + } + ts.getNodeModifiers = getNodeModifiers; + function getTypeArgumentOrTypeParameterList(node) { + if (node.kind === 178 /* SyntaxKind.TypeReference */ || node.kind === 208 /* SyntaxKind.CallExpression */) { + return node.typeArguments; + } + if (ts.isFunctionLike(node) || node.kind === 257 /* SyntaxKind.ClassDeclaration */ || node.kind === 258 /* SyntaxKind.InterfaceDeclaration */) { + return node.typeParameters; + } + return undefined; + } + ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; + function isComment(kind) { + return kind === 2 /* SyntaxKind.SingleLineCommentTrivia */ || kind === 3 /* SyntaxKind.MultiLineCommentTrivia */; + } + ts.isComment = isComment; + function isStringOrRegularExpressionOrTemplateLiteral(kind) { + if (kind === 10 /* SyntaxKind.StringLiteral */ + || kind === 13 /* SyntaxKind.RegularExpressionLiteral */ + || ts.isTemplateLiteralKind(kind)) { + return true; + } + return false; + } + ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; + function isPunctuation(kind) { + return 18 /* SyntaxKind.FirstPunctuation */ <= kind && kind <= 78 /* SyntaxKind.LastPunctuation */; + } + ts.isPunctuation = isPunctuation; + function isInsideTemplateLiteral(node, position, sourceFile) { + return ts.isTemplateLiteralKind(node.kind) + && (node.getStart(sourceFile) < position && position < node.end) || (!!node.isUnterminated && position === node.end); + } + ts.isInsideTemplateLiteral = isInsideTemplateLiteral; + function isAccessibilityModifier(kind) { + switch (kind) { + case 123 /* SyntaxKind.PublicKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + return true; + } + return false; + } + ts.isAccessibilityModifier = isAccessibilityModifier; + function cloneCompilerOptions(options) { + var result = ts.clone(options); + ts.setConfigFileInOptions(result, options && options.configFile); + return result; + } + ts.cloneCompilerOptions = cloneCompilerOptions; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { + if (node.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ || + node.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + // [a,b,c] from: + // [a, b, c] = someExpression; + if (node.parent.kind === 221 /* SyntaxKind.BinaryExpression */ && + node.parent.left === node && + node.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + return true; + } + // [a, b, c] from: + // for([a, b, c] of expression) + if (node.parent.kind === 244 /* SyntaxKind.ForOfStatement */ && + node.parent.initializer === node) { + return true; + } + // [a, b, c] of + // [x, [a, b, c] ] = someExpression + // or + // {x, a: {a, b, c} } = someExpression + if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 296 /* SyntaxKind.PropertyAssignment */ ? node.parent.parent : node.parent)) { + return true; + } + } + return false; + } + ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; + function isInReferenceComment(sourceFile, position) { + return isInReferenceCommentWorker(sourceFile, position, /*shouldBeReference*/ true); + } + ts.isInReferenceComment = isInReferenceComment; + function isInNonReferenceComment(sourceFile, position) { + return isInReferenceCommentWorker(sourceFile, position, /*shouldBeReference*/ false); + } + ts.isInNonReferenceComment = isInNonReferenceComment; + function isInReferenceCommentWorker(sourceFile, position, shouldBeReference) { + var range = isInComment(sourceFile, position, /*tokenAtPosition*/ undefined); + return !!range && shouldBeReference === tripleSlashDirectivePrefixRegex.test(sourceFile.text.substring(range.pos, range.end)); + } + function getReplacementSpanForContextToken(contextToken) { + if (!contextToken) + return undefined; + switch (contextToken.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return createTextSpanFromStringLiteralLikeContent(contextToken); + default: + return createTextSpanFromNode(contextToken); + } + } + ts.getReplacementSpanForContextToken = getReplacementSpanForContextToken; + function createTextSpanFromNode(node, sourceFile, endNode) { + return ts.createTextSpanFromBounds(node.getStart(sourceFile), (endNode || node).getEnd()); + } + ts.createTextSpanFromNode = createTextSpanFromNode; + function createTextSpanFromStringLiteralLikeContent(node) { + if (node.isUnterminated) + return undefined; + return ts.createTextSpanFromBounds(node.getStart() + 1, node.getEnd() - 1); + } + ts.createTextSpanFromStringLiteralLikeContent = createTextSpanFromStringLiteralLikeContent; + function createTextRangeFromNode(node, sourceFile) { + return ts.createRange(node.getStart(sourceFile), node.end); + } + ts.createTextRangeFromNode = createTextRangeFromNode; + function createTextSpanFromRange(range) { + return ts.createTextSpanFromBounds(range.pos, range.end); + } + ts.createTextSpanFromRange = createTextSpanFromRange; + function createTextRangeFromSpan(span) { + return ts.createRange(span.start, span.start + span.length); + } + ts.createTextRangeFromSpan = createTextRangeFromSpan; + function createTextChangeFromStartLength(start, length, newText) { + return createTextChange(ts.createTextSpan(start, length), newText); + } + ts.createTextChangeFromStartLength = createTextChangeFromStartLength; + function createTextChange(span, newText) { + return { span: span, newText: newText }; + } + ts.createTextChange = createTextChange; + ts.typeKeywords = [ + 130 /* SyntaxKind.AnyKeyword */, + 128 /* SyntaxKind.AssertsKeyword */, + 158 /* SyntaxKind.BigIntKeyword */, + 133 /* SyntaxKind.BooleanKeyword */, + 95 /* SyntaxKind.FalseKeyword */, + 137 /* SyntaxKind.InferKeyword */, + 140 /* SyntaxKind.KeyOfKeyword */, + 143 /* SyntaxKind.NeverKeyword */, + 104 /* SyntaxKind.NullKeyword */, + 147 /* SyntaxKind.NumberKeyword */, + 148 /* SyntaxKind.ObjectKeyword */, + 145 /* SyntaxKind.ReadonlyKeyword */, + 150 /* SyntaxKind.StringKeyword */, + 151 /* SyntaxKind.SymbolKeyword */, + 110 /* SyntaxKind.TrueKeyword */, + 114 /* SyntaxKind.VoidKeyword */, + 153 /* SyntaxKind.UndefinedKeyword */, + 154 /* SyntaxKind.UniqueKeyword */, + 155 /* SyntaxKind.UnknownKeyword */, + ]; + function isTypeKeyword(kind) { + return ts.contains(ts.typeKeywords, kind); + } + ts.isTypeKeyword = isTypeKeyword; + function isTypeKeywordToken(node) { + return node.kind === 152 /* SyntaxKind.TypeKeyword */; + } + ts.isTypeKeywordToken = isTypeKeywordToken; + function isTypeKeywordTokenOrIdentifier(node) { + return isTypeKeywordToken(node) || ts.isIdentifier(node) && node.text === "type"; + } + ts.isTypeKeywordTokenOrIdentifier = isTypeKeywordTokenOrIdentifier; + /** True if the symbol is for an external module, as opposed to a namespace. */ + function isExternalModuleSymbol(moduleSymbol) { + return !!(moduleSymbol.flags & 1536 /* SymbolFlags.Module */) && moduleSymbol.name.charCodeAt(0) === 34 /* CharacterCodes.doubleQuote */; + } + ts.isExternalModuleSymbol = isExternalModuleSymbol; + function nodeSeenTracker() { + var seen = []; + return function (node) { + var id = ts.getNodeId(node); + return !seen[id] && (seen[id] = true); + }; + } + ts.nodeSeenTracker = nodeSeenTracker; + function getSnapshotText(snap) { + return snap.getText(0, snap.getLength()); + } + ts.getSnapshotText = getSnapshotText; + function repeatString(str, count) { + var result = ""; + for (var i = 0; i < count; i++) { + result += str; + } + return result; + } + ts.repeatString = repeatString; + function skipConstraint(type) { + return type.isTypeParameter() ? type.getConstraint() || type : type; + } + ts.skipConstraint = skipConstraint; + function getNameFromPropertyName(name) { + return name.kind === 162 /* SyntaxKind.ComputedPropertyName */ + // treat computed property names where expression is string/numeric literal as just string/numeric literal + ? ts.isStringOrNumericLiteralLike(name.expression) ? name.expression.text : undefined + : ts.isPrivateIdentifier(name) ? ts.idText(name) : ts.getTextOfIdentifierOrLiteral(name); + } + ts.getNameFromPropertyName = getNameFromPropertyName; + function programContainsModules(program) { + return program.getSourceFiles().some(function (s) { return !s.isDeclarationFile && !program.isSourceFileFromExternalLibrary(s) && !!(s.externalModuleIndicator || s.commonJsModuleIndicator); }); + } + ts.programContainsModules = programContainsModules; + function programContainsEsModules(program) { + return program.getSourceFiles().some(function (s) { return !s.isDeclarationFile && !program.isSourceFileFromExternalLibrary(s) && !!s.externalModuleIndicator; }); + } + ts.programContainsEsModules = programContainsEsModules; + function compilerOptionsIndicateEsModules(compilerOptions) { + return !!compilerOptions.module || ts.getEmitScriptTarget(compilerOptions) >= 2 /* ScriptTarget.ES2015 */ || !!compilerOptions.noEmit; + } + ts.compilerOptionsIndicateEsModules = compilerOptionsIndicateEsModules; + function createModuleSpecifierResolutionHost(program, host) { + // Mix in `getSymlinkCache` from Program when host doesn't have it + // in order for non-Project hosts to have a symlinks cache. + return { + fileExists: function (fileName) { return program.fileExists(fileName); }, + getCurrentDirectory: function () { return host.getCurrentDirectory(); }, + readFile: ts.maybeBind(host, host.readFile), + useCaseSensitiveFileNames: ts.maybeBind(host, host.useCaseSensitiveFileNames), + getSymlinkCache: ts.maybeBind(host, host.getSymlinkCache) || program.getSymlinkCache, + getModuleSpecifierCache: ts.maybeBind(host, host.getModuleSpecifierCache), + getPackageJsonInfoCache: function () { var _a; return (_a = program.getModuleResolutionCache()) === null || _a === void 0 ? void 0 : _a.getPackageJsonInfoCache(); }, + getGlobalTypingsCacheLocation: ts.maybeBind(host, host.getGlobalTypingsCacheLocation), + redirectTargetsMap: program.redirectTargetsMap, + getProjectReferenceRedirect: function (fileName) { return program.getProjectReferenceRedirect(fileName); }, + isSourceOfProjectReferenceRedirect: function (fileName) { return program.isSourceOfProjectReferenceRedirect(fileName); }, + getNearestAncestorDirectoryWithPackageJson: ts.maybeBind(host, host.getNearestAncestorDirectoryWithPackageJson), + getFileIncludeReasons: function () { return program.getFileIncludeReasons(); }, + }; + } + ts.createModuleSpecifierResolutionHost = createModuleSpecifierResolutionHost; + function getModuleSpecifierResolverHost(program, host) { + return __assign(__assign({}, createModuleSpecifierResolutionHost(program, host)), { getCommonSourceDirectory: function () { return program.getCommonSourceDirectory(); } }); + } + ts.getModuleSpecifierResolverHost = getModuleSpecifierResolverHost; + function moduleResolutionRespectsExports(moduleResolution) { + return moduleResolution >= ts.ModuleResolutionKind.Node16 && moduleResolution <= ts.ModuleResolutionKind.NodeNext; + } + ts.moduleResolutionRespectsExports = moduleResolutionRespectsExports; + function moduleResolutionUsesNodeModules(moduleResolution) { + return moduleResolution === ts.ModuleResolutionKind.NodeJs || moduleResolution >= ts.ModuleResolutionKind.Node16 && moduleResolution <= ts.ModuleResolutionKind.NodeNext; + } + ts.moduleResolutionUsesNodeModules = moduleResolutionUsesNodeModules; + function makeImportIfNecessary(defaultImport, namedImports, moduleSpecifier, quotePreference) { + return defaultImport || namedImports && namedImports.length ? makeImport(defaultImport, namedImports, moduleSpecifier, quotePreference) : undefined; + } + ts.makeImportIfNecessary = makeImportIfNecessary; + function makeImport(defaultImport, namedImports, moduleSpecifier, quotePreference, isTypeOnly) { + return ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, defaultImport || namedImports + ? ts.factory.createImportClause(!!isTypeOnly, defaultImport, namedImports && namedImports.length ? ts.factory.createNamedImports(namedImports) : undefined) + : undefined, typeof moduleSpecifier === "string" ? makeStringLiteral(moduleSpecifier, quotePreference) : moduleSpecifier, + /*assertClause*/ undefined); + } + ts.makeImport = makeImport; + function makeStringLiteral(text, quotePreference) { + return ts.factory.createStringLiteral(text, quotePreference === 0 /* QuotePreference.Single */); + } + ts.makeStringLiteral = makeStringLiteral; + var QuotePreference; + (function (QuotePreference) { + QuotePreference[QuotePreference["Single"] = 0] = "Single"; + QuotePreference[QuotePreference["Double"] = 1] = "Double"; + })(QuotePreference = ts.QuotePreference || (ts.QuotePreference = {})); + function quotePreferenceFromString(str, sourceFile) { + return ts.isStringDoubleQuoted(str, sourceFile) ? 1 /* QuotePreference.Double */ : 0 /* QuotePreference.Single */; + } + ts.quotePreferenceFromString = quotePreferenceFromString; + function getQuotePreference(sourceFile, preferences) { + if (preferences.quotePreference && preferences.quotePreference !== "auto") { + return preferences.quotePreference === "single" ? 0 /* QuotePreference.Single */ : 1 /* QuotePreference.Double */; + } + else { + // ignore synthetic import added when importHelpers: true + var firstModuleSpecifier = sourceFile.imports && + ts.find(sourceFile.imports, function (n) { return ts.isStringLiteral(n) && !ts.nodeIsSynthesized(n.parent); }); + return firstModuleSpecifier ? quotePreferenceFromString(firstModuleSpecifier, sourceFile) : 1 /* QuotePreference.Double */; + } + } + ts.getQuotePreference = getQuotePreference; + function getQuoteFromPreference(qp) { + switch (qp) { + case 0 /* QuotePreference.Single */: return "'"; + case 1 /* QuotePreference.Double */: return '"'; + default: return ts.Debug.assertNever(qp); + } + } + ts.getQuoteFromPreference = getQuoteFromPreference; + function symbolNameNoDefault(symbol) { + var escaped = symbolEscapedNameNoDefault(symbol); + return escaped === undefined ? undefined : ts.unescapeLeadingUnderscores(escaped); + } + ts.symbolNameNoDefault = symbolNameNoDefault; + function symbolEscapedNameNoDefault(symbol) { + if (symbol.escapedName !== "default" /* InternalSymbolName.Default */) { + return symbol.escapedName; + } + return ts.firstDefined(symbol.declarations, function (decl) { + var name = ts.getNameOfDeclaration(decl); + return name && name.kind === 79 /* SyntaxKind.Identifier */ ? name.escapedText : undefined; + }); + } + ts.symbolEscapedNameNoDefault = symbolEscapedNameNoDefault; + function isModuleSpecifierLike(node) { + return ts.isStringLiteralLike(node) && (ts.isExternalModuleReference(node.parent) || + ts.isImportDeclaration(node.parent) || + ts.isRequireCall(node.parent, /*requireStringLiteralLikeArgument*/ false) && node.parent.arguments[0] === node || + ts.isImportCall(node.parent) && node.parent.arguments[0] === node); + } + ts.isModuleSpecifierLike = isModuleSpecifierLike; + function isObjectBindingElementWithoutPropertyName(bindingElement) { + return ts.isBindingElement(bindingElement) && + ts.isObjectBindingPattern(bindingElement.parent) && + ts.isIdentifier(bindingElement.name) && + !bindingElement.propertyName; + } + ts.isObjectBindingElementWithoutPropertyName = isObjectBindingElementWithoutPropertyName; + function getPropertySymbolFromBindingElement(checker, bindingElement) { + var typeOfPattern = checker.getTypeAtLocation(bindingElement.parent); + return typeOfPattern && checker.getPropertyOfType(typeOfPattern, bindingElement.name.text); + } + ts.getPropertySymbolFromBindingElement = getPropertySymbolFromBindingElement; + function getParentNodeInSpan(node, file, span) { + if (!node) + return undefined; + while (node.parent) { + if (ts.isSourceFile(node.parent) || !spanContainsNode(span, node.parent, file)) { + return node; + } + node = node.parent; + } + } + ts.getParentNodeInSpan = getParentNodeInSpan; + function spanContainsNode(span, node, file) { + return ts.textSpanContainsPosition(span, node.getStart(file)) && + node.getEnd() <= ts.textSpanEnd(span); + } + function findModifier(node, kind) { + return node.modifiers && ts.find(node.modifiers, function (m) { return m.kind === kind; }); + } + ts.findModifier = findModifier; + function insertImports(changes, sourceFile, imports, blankLineBetween) { + var decl = ts.isArray(imports) ? imports[0] : imports; + var importKindPredicate = decl.kind === 237 /* SyntaxKind.VariableStatement */ ? ts.isRequireVariableStatement : ts.isAnyImportSyntax; + var existingImportStatements = ts.filter(sourceFile.statements, importKindPredicate); + var sortedNewImports = ts.isArray(imports) ? ts.stableSort(imports, ts.OrganizeImports.compareImportsOrRequireStatements) : [imports]; + if (!existingImportStatements.length) { + changes.insertNodesAtTopOfFile(sourceFile, sortedNewImports, blankLineBetween); + } + else if (existingImportStatements && ts.OrganizeImports.importsAreSorted(existingImportStatements)) { + for (var _i = 0, sortedNewImports_1 = sortedNewImports; _i < sortedNewImports_1.length; _i++) { + var newImport = sortedNewImports_1[_i]; + var insertionIndex = ts.OrganizeImports.getImportDeclarationInsertionIndex(existingImportStatements, newImport); + if (insertionIndex === 0) { + // If the first import is top-of-file, insert after the leading comment which is likely the header. + var options = existingImportStatements[0] === sourceFile.statements[0] ? + { leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude } : {}; + changes.insertNodeBefore(sourceFile, existingImportStatements[0], newImport, /*blankLineBetween*/ false, options); + } + else { + var prevImport = existingImportStatements[insertionIndex - 1]; + changes.insertNodeAfter(sourceFile, prevImport, newImport); + } + } + } + else { + var lastExistingImport = ts.lastOrUndefined(existingImportStatements); + if (lastExistingImport) { + changes.insertNodesAfter(sourceFile, lastExistingImport, sortedNewImports); + } + else { + changes.insertNodesAtTopOfFile(sourceFile, sortedNewImports, blankLineBetween); + } + } + } + ts.insertImports = insertImports; + function getTypeKeywordOfTypeOnlyImport(importClause, sourceFile) { + ts.Debug.assert(importClause.isTypeOnly); + return ts.cast(importClause.getChildAt(0, sourceFile), isTypeKeywordToken); + } + ts.getTypeKeywordOfTypeOnlyImport = getTypeKeywordOfTypeOnlyImport; + function textSpansEqual(a, b) { + return !!a && !!b && a.start === b.start && a.length === b.length; + } + ts.textSpansEqual = textSpansEqual; + function documentSpansEqual(a, b) { + return a.fileName === b.fileName && textSpansEqual(a.textSpan, b.textSpan); + } + ts.documentSpansEqual = documentSpansEqual; + /** + * Iterates through 'array' by index and performs the callback on each element of array until the callback + * returns a truthy value, then returns that value. + * If no such value is found, the callback is applied to each element of array and undefined is returned. + */ + function forEachUnique(array, callback) { + if (array) { + for (var i = 0; i < array.length; i++) { + if (array.indexOf(array[i]) === i) { + var result = callback(array[i], i); + if (result) { + return result; + } + } + } + } + return undefined; + } + ts.forEachUnique = forEachUnique; + function isTextWhiteSpaceLike(text, startPos, endPos) { + for (var i = startPos; i < endPos; i++) { + if (!ts.isWhiteSpaceLike(text.charCodeAt(i))) { + return false; + } + } + return true; + } + ts.isTextWhiteSpaceLike = isTextWhiteSpaceLike; + // #endregion + // Display-part writer helpers + // #region + function isFirstDeclarationOfSymbolParameter(symbol) { + var declaration = symbol.declarations ? ts.firstOrUndefined(symbol.declarations) : undefined; + return !!ts.findAncestor(declaration, function (n) { + return ts.isParameter(n) ? true : ts.isBindingElement(n) || ts.isObjectBindingPattern(n) || ts.isArrayBindingPattern(n) ? false : "quit"; + }); + } + ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; + var displayPartWriter = getDisplayPartWriter(); + function getDisplayPartWriter() { + var absoluteMaximumLength = ts.defaultMaximumTruncationLength * 10; // A hard cutoff to avoid overloading the messaging channel in worst-case scenarios + var displayParts; + var lineStart; + var indent; + var length; + resetWriter(); + var unknownWrite = function (text) { return writeKind(text, ts.SymbolDisplayPartKind.text); }; + return { + displayParts: function () { + var finalText = displayParts.length && displayParts[displayParts.length - 1].text; + if (length > absoluteMaximumLength && finalText && finalText !== "...") { + if (!ts.isWhiteSpaceLike(finalText.charCodeAt(finalText.length - 1))) { + displayParts.push(displayPart(" ", ts.SymbolDisplayPartKind.space)); + } + displayParts.push(displayPart("...", ts.SymbolDisplayPartKind.punctuation)); + } + return displayParts; + }, + writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, + writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, + writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeTrailingSemicolon: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, + writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, + writeProperty: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.propertyName); }, + writeLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeSymbol: writeSymbol, + writeLine: writeLine, + write: unknownWrite, + writeComment: unknownWrite, + getText: function () { return ""; }, + getTextPos: function () { return 0; }, + getColumn: function () { return 0; }, + getLine: function () { return 0; }, + isAtStartOfLine: function () { return false; }, + hasTrailingWhitespace: function () { return false; }, + hasTrailingComment: function () { return false; }, + rawWrite: ts.notImplemented, + getIndent: function () { return indent; }, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + clear: resetWriter, + trackSymbol: function () { return false; }, + reportInaccessibleThisError: ts.noop, + reportInaccessibleUniqueSymbolError: ts.noop, + reportPrivateInBaseOfClassExpression: ts.noop, + }; + function writeIndent() { + if (length > absoluteMaximumLength) + return; + if (lineStart) { + var indentString = ts.getIndentString(indent); + if (indentString) { + length += indentString.length; + displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); + } + lineStart = false; + } + } + function writeKind(text, kind) { + if (length > absoluteMaximumLength) + return; + writeIndent(); + length += text.length; + displayParts.push(displayPart(text, kind)); + } + function writeSymbol(text, symbol) { + if (length > absoluteMaximumLength) + return; + writeIndent(); + length += text.length; + displayParts.push(symbolPart(text, symbol)); + } + function writeLine() { + if (length > absoluteMaximumLength) + return; + length += 1; + displayParts.push(lineBreakPart()); + lineStart = true; + } + function resetWriter() { + displayParts = []; + lineStart = true; + indent = 0; + length = 0; + } + } + function symbolPart(text, symbol) { + return displayPart(text, displayPartKind(symbol)); + function displayPartKind(symbol) { + var flags = symbol.flags; + if (flags & 3 /* SymbolFlags.Variable */) { + return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; + } + if (flags & 4 /* SymbolFlags.Property */) + return ts.SymbolDisplayPartKind.propertyName; + if (flags & 32768 /* SymbolFlags.GetAccessor */) + return ts.SymbolDisplayPartKind.propertyName; + if (flags & 65536 /* SymbolFlags.SetAccessor */) + return ts.SymbolDisplayPartKind.propertyName; + if (flags & 8 /* SymbolFlags.EnumMember */) + return ts.SymbolDisplayPartKind.enumMemberName; + if (flags & 16 /* SymbolFlags.Function */) + return ts.SymbolDisplayPartKind.functionName; + if (flags & 32 /* SymbolFlags.Class */) + return ts.SymbolDisplayPartKind.className; + if (flags & 64 /* SymbolFlags.Interface */) + return ts.SymbolDisplayPartKind.interfaceName; + if (flags & 384 /* SymbolFlags.Enum */) + return ts.SymbolDisplayPartKind.enumName; + if (flags & 1536 /* SymbolFlags.Module */) + return ts.SymbolDisplayPartKind.moduleName; + if (flags & 8192 /* SymbolFlags.Method */) + return ts.SymbolDisplayPartKind.methodName; + if (flags & 262144 /* SymbolFlags.TypeParameter */) + return ts.SymbolDisplayPartKind.typeParameterName; + if (flags & 524288 /* SymbolFlags.TypeAlias */) + return ts.SymbolDisplayPartKind.aliasName; + if (flags & 2097152 /* SymbolFlags.Alias */) + return ts.SymbolDisplayPartKind.aliasName; + return ts.SymbolDisplayPartKind.text; + } + } + ts.symbolPart = symbolPart; + function displayPart(text, kind) { + return { text: text, kind: ts.SymbolDisplayPartKind[kind] }; + } + ts.displayPart = displayPart; + function spacePart() { + return displayPart(" ", ts.SymbolDisplayPartKind.space); + } + ts.spacePart = spacePart; + function keywordPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); + } + ts.keywordPart = keywordPart; + function punctuationPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); + } + ts.punctuationPart = punctuationPart; + function operatorPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); + } + ts.operatorPart = operatorPart; + function parameterNamePart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.parameterName); + } + ts.parameterNamePart = parameterNamePart; + function propertyNamePart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.propertyName); + } + ts.propertyNamePart = propertyNamePart; + function textOrKeywordPart(text) { + var kind = ts.stringToToken(text); + return kind === undefined + ? textPart(text) + : keywordPart(kind); + } + ts.textOrKeywordPart = textOrKeywordPart; + function textPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.text); + } + ts.textPart = textPart; + function typeAliasNamePart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.aliasName); + } + ts.typeAliasNamePart = typeAliasNamePart; + function typeParameterNamePart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.typeParameterName); + } + ts.typeParameterNamePart = typeParameterNamePart; + function linkTextPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.linkText); + } + ts.linkTextPart = linkTextPart; + function linkNamePart(text, target) { + return { + text: text, + kind: ts.SymbolDisplayPartKind[ts.SymbolDisplayPartKind.linkName], + target: { + fileName: ts.getSourceFileOfNode(target).fileName, + textSpan: createTextSpanFromNode(target), + }, + }; + } + ts.linkNamePart = linkNamePart; + function linkPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.link); + } + ts.linkPart = linkPart; + function buildLinkParts(link, checker) { + var _a; + var prefix = ts.isJSDocLink(link) ? "link" + : ts.isJSDocLinkCode(link) ? "linkcode" + : "linkplain"; + var parts = [linkPart("{@".concat(prefix, " "))]; + if (!link.name) { + if (link.text) { + parts.push(linkTextPart(link.text)); + } + } + else { + var symbol = checker === null || checker === void 0 ? void 0 : checker.getSymbolAtLocation(link.name); + var suffix = findLinkNameEnd(link.text); + var name = ts.getTextOfNode(link.name) + link.text.slice(0, suffix); + var text = skipSeparatorFromLinkText(link.text.slice(suffix)); + var decl = (symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration) || ((_a = symbol === null || symbol === void 0 ? void 0 : symbol.declarations) === null || _a === void 0 ? void 0 : _a[0]); + if (decl) { + parts.push(linkNamePart(name, decl)); + if (text) + parts.push(linkTextPart(text)); + } + else { + parts.push(linkTextPart(name + (suffix || text.indexOf("://") === 0 ? "" : " ") + text)); + } + } + parts.push(linkPart("}")); + return parts; + } + ts.buildLinkParts = buildLinkParts; + function skipSeparatorFromLinkText(text) { + var pos = 0; + if (text.charCodeAt(pos++) === 124 /* CharacterCodes.bar */) { + while (pos < text.length && text.charCodeAt(pos) === 32 /* CharacterCodes.space */) + pos++; + return text.slice(pos); + } + return text; + } + function findLinkNameEnd(text) { + if (text.indexOf("()") === 0) + return 2; + if (text[0] !== "<") + return 0; + var brackets = 0; + var i = 0; + while (i < text.length) { + if (text[i] === "<") + brackets++; + if (text[i] === ">") + brackets--; + i++; + if (!brackets) + return i; + } + return 0; + } + var carriageReturnLineFeed = "\r\n"; + /** + * The default is CRLF. + */ + function getNewLineOrDefaultFromHost(host, formatSettings) { + var _a; + return (formatSettings === null || formatSettings === void 0 ? void 0 : formatSettings.newLineCharacter) || + ((_a = host.getNewLine) === null || _a === void 0 ? void 0 : _a.call(host)) || + carriageReturnLineFeed; + } + ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; + function lineBreakPart() { + return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); + } + ts.lineBreakPart = lineBreakPart; + function mapToDisplayParts(writeDisplayParts) { + try { + writeDisplayParts(displayPartWriter); + return displayPartWriter.displayParts(); + } + finally { + displayPartWriter.clear(); + } + } + ts.mapToDisplayParts = mapToDisplayParts; + function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { + if (flags === void 0) { flags = 0 /* TypeFormatFlags.None */; } + return mapToDisplayParts(function (writer) { + typechecker.writeType(type, enclosingDeclaration, flags | 1024 /* TypeFormatFlags.MultilineObjectLiterals */ | 16384 /* TypeFormatFlags.UseAliasDefinedOutsideCurrentScope */, writer); + }); + } + ts.typeToDisplayParts = typeToDisplayParts; + function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { + if (flags === void 0) { flags = 0 /* SymbolFormatFlags.None */; } + return mapToDisplayParts(function (writer) { + typeChecker.writeSymbol(symbol, enclosingDeclaration, meaning, flags | 8 /* SymbolFormatFlags.UseAliasDefinedOutsideCurrentScope */, writer); + }); + } + ts.symbolToDisplayParts = symbolToDisplayParts; + function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { + if (flags === void 0) { flags = 0 /* TypeFormatFlags.None */; } + flags |= 16384 /* TypeFormatFlags.UseAliasDefinedOutsideCurrentScope */ | 1024 /* TypeFormatFlags.MultilineObjectLiterals */ | 32 /* TypeFormatFlags.WriteTypeArgumentsOfSignature */ | 8192 /* TypeFormatFlags.OmitParameterModifiers */; + return mapToDisplayParts(function (writer) { + typechecker.writeSignature(signature, enclosingDeclaration, flags, /*signatureKind*/ undefined, writer); + }); + } + ts.signatureToDisplayParts = signatureToDisplayParts; + function nodeToDisplayParts(node, enclosingDeclaration) { + var file = enclosingDeclaration.getSourceFile(); + return mapToDisplayParts(function (writer) { + var printer = ts.createPrinter({ removeComments: true, omitTrailingSemicolon: true }); + printer.writeNode(4 /* EmitHint.Unspecified */, node, file, writer); + }); + } + ts.nodeToDisplayParts = nodeToDisplayParts; + function isImportOrExportSpecifierName(location) { + return !!location.parent && ts.isImportOrExportSpecifier(location.parent) && location.parent.propertyName === location; + } + ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; + function getScriptKind(fileName, host) { + // First check to see if the script kind was specified by the host. Chances are the host + // may override the default script kind for the file extension. + return ts.ensureScriptKind(fileName, host.getScriptKind && host.getScriptKind(fileName)); + } + ts.getScriptKind = getScriptKind; + function getSymbolTarget(symbol, checker) { + var next = symbol; + while (isAliasSymbol(next) || (isTransientSymbol(next) && next.target)) { + if (isTransientSymbol(next) && next.target) { + next = next.target; + } + else { + next = ts.skipAlias(next, checker); + } + } + return next; + } + ts.getSymbolTarget = getSymbolTarget; + function isTransientSymbol(symbol) { + return (symbol.flags & 33554432 /* SymbolFlags.Transient */) !== 0; + } + function isAliasSymbol(symbol) { + return (symbol.flags & 2097152 /* SymbolFlags.Alias */) !== 0; + } + function getUniqueSymbolId(symbol, checker) { + return ts.getSymbolId(ts.skipAlias(symbol, checker)); + } + ts.getUniqueSymbolId = getUniqueSymbolId; + function getFirstNonSpaceCharacterPosition(text, position) { + while (ts.isWhiteSpaceLike(text.charCodeAt(position))) { + position += 1; + } + return position; + } + ts.getFirstNonSpaceCharacterPosition = getFirstNonSpaceCharacterPosition; + function getPrecedingNonSpaceCharacterPosition(text, position) { + while (position > -1 && ts.isWhiteSpaceSingleLine(text.charCodeAt(position))) { + position -= 1; + } + return position + 1; + } + ts.getPrecedingNonSpaceCharacterPosition = getPrecedingNonSpaceCharacterPosition; + /** + * Creates a deep, memberwise clone of a node with no source map location. + * + * WARNING: This is an expensive operation and is only intended to be used in refactorings + * and code fixes (because those are triggered by explicit user actions). + */ + function getSynthesizedDeepClone(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = true; } + var clone = node && getSynthesizedDeepCloneWorker(node); + if (clone && !includeTrivia) + suppressLeadingAndTrailingTrivia(clone); + return clone; + } + ts.getSynthesizedDeepClone = getSynthesizedDeepClone; + function getSynthesizedDeepCloneWithReplacements(node, includeTrivia, replaceNode) { + var clone = replaceNode(node); + if (clone) { + ts.setOriginalNode(clone, node); + } + else { + clone = getSynthesizedDeepCloneWorker(node, replaceNode); + } + if (clone && !includeTrivia) + suppressLeadingAndTrailingTrivia(clone); + return clone; + } + ts.getSynthesizedDeepCloneWithReplacements = getSynthesizedDeepCloneWithReplacements; + function getSynthesizedDeepCloneWorker(node, replaceNode) { + var nodeClone = replaceNode + ? function (n) { return getSynthesizedDeepCloneWithReplacements(n, /*includeTrivia*/ true, replaceNode); } + : getSynthesizedDeepClone; + var nodesClone = replaceNode + ? function (ns) { return ns && getSynthesizedDeepClonesWithReplacements(ns, /*includeTrivia*/ true, replaceNode); } + : function (ns) { return ns && getSynthesizedDeepClones(ns); }; + var visited = ts.visitEachChild(node, nodeClone, ts.nullTransformationContext, nodesClone, nodeClone); + if (visited === node) { + // This only happens for leaf nodes - internal nodes always see their children change. + var clone_1 = ts.isStringLiteral(node) ? ts.setOriginalNode(ts.factory.createStringLiteralFromNode(node), node) : + ts.isNumericLiteral(node) ? ts.setOriginalNode(ts.factory.createNumericLiteral(node.text, node.numericLiteralFlags), node) : + ts.factory.cloneNode(node); + return ts.setTextRange(clone_1, node); + } + // PERF: As an optimization, rather than calling factory.cloneNode, we'll update + // the new node created by visitEachChild with the extra changes factory.cloneNode + // would have made. + visited.parent = undefined; + return visited; + } + function getSynthesizedDeepClones(nodes, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = true; } + return nodes && ts.factory.createNodeArray(nodes.map(function (n) { return getSynthesizedDeepClone(n, includeTrivia); }), nodes.hasTrailingComma); + } + ts.getSynthesizedDeepClones = getSynthesizedDeepClones; + function getSynthesizedDeepClonesWithReplacements(nodes, includeTrivia, replaceNode) { + return ts.factory.createNodeArray(nodes.map(function (n) { return getSynthesizedDeepCloneWithReplacements(n, includeTrivia, replaceNode); }), nodes.hasTrailingComma); + } + ts.getSynthesizedDeepClonesWithReplacements = getSynthesizedDeepClonesWithReplacements; + /** + * Sets EmitFlags to suppress leading and trailing trivia on the node. + */ + function suppressLeadingAndTrailingTrivia(node) { + suppressLeadingTrivia(node); + suppressTrailingTrivia(node); + } + ts.suppressLeadingAndTrailingTrivia = suppressLeadingAndTrailingTrivia; + /** + * Sets EmitFlags to suppress leading trivia on the node. + */ + function suppressLeadingTrivia(node) { + addEmitFlagsRecursively(node, 512 /* EmitFlags.NoLeadingComments */, getFirstChild); + } + ts.suppressLeadingTrivia = suppressLeadingTrivia; + /** + * Sets EmitFlags to suppress trailing trivia on the node. + */ + function suppressTrailingTrivia(node) { + addEmitFlagsRecursively(node, 1024 /* EmitFlags.NoTrailingComments */, ts.getLastChild); + } + ts.suppressTrailingTrivia = suppressTrailingTrivia; + function copyComments(sourceNode, targetNode) { + var sourceFile = sourceNode.getSourceFile(); + var text = sourceFile.text; + if (hasLeadingLineBreak(sourceNode, text)) { + copyLeadingComments(sourceNode, targetNode, sourceFile); + } + else { + copyTrailingAsLeadingComments(sourceNode, targetNode, sourceFile); + } + copyTrailingComments(sourceNode, targetNode, sourceFile); + } + ts.copyComments = copyComments; + function hasLeadingLineBreak(node, text) { + var start = node.getFullStart(); + var end = node.getStart(); + for (var i = start; i < end; i++) { + if (text.charCodeAt(i) === 10 /* CharacterCodes.lineFeed */) + return true; + } + return false; + } + function addEmitFlagsRecursively(node, flag, getChild) { + ts.addEmitFlags(node, flag); + var child = getChild(node); + if (child) + addEmitFlagsRecursively(child, flag, getChild); + } + function getFirstChild(node) { + return node.forEachChild(function (child) { return child; }); + } + function getUniqueName(baseName, sourceFile) { + var nameText = baseName; + for (var i = 1; !ts.isFileLevelUniqueName(sourceFile, nameText); i++) { + nameText = "".concat(baseName, "_").concat(i); + } + return nameText; + } + ts.getUniqueName = getUniqueName; + /** + * @return The index of the (only) reference to the extracted symbol. We want the cursor + * to be on the reference, rather than the declaration, because it's closer to where the + * user was before extracting it. + */ + function getRenameLocation(edits, renameFilename, name, preferLastLocation) { + var delta = 0; + var lastPos = -1; + for (var _i = 0, edits_1 = edits; _i < edits_1.length; _i++) { + var _a = edits_1[_i], fileName = _a.fileName, textChanges_2 = _a.textChanges; + ts.Debug.assert(fileName === renameFilename); + for (var _b = 0, textChanges_1 = textChanges_2; _b < textChanges_1.length; _b++) { + var change = textChanges_1[_b]; + var span = change.span, newText = change.newText; + var index = indexInTextChange(newText, name); + if (index !== -1) { + lastPos = span.start + delta + index; + // If the reference comes first, return immediately. + if (!preferLastLocation) { + return lastPos; + } + } + delta += newText.length - span.length; + } + } + // If the declaration comes first, return the position of the last occurrence. + ts.Debug.assert(preferLastLocation); + ts.Debug.assert(lastPos >= 0); + return lastPos; + } + ts.getRenameLocation = getRenameLocation; + function copyLeadingComments(sourceNode, targetNode, sourceFile, commentKind, hasTrailingNewLine) { + ts.forEachLeadingCommentRange(sourceFile.text, sourceNode.pos, getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, ts.addSyntheticLeadingComment)); + } + ts.copyLeadingComments = copyLeadingComments; + function copyTrailingComments(sourceNode, targetNode, sourceFile, commentKind, hasTrailingNewLine) { + ts.forEachTrailingCommentRange(sourceFile.text, sourceNode.end, getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, ts.addSyntheticTrailingComment)); + } + ts.copyTrailingComments = copyTrailingComments; + /** + * This function copies the trailing comments for the token that comes before `sourceNode`, as leading comments of `targetNode`. + * This is useful because sometimes a comment that refers to `sourceNode` will be a leading comment for `sourceNode`, according to the + * notion of trivia ownership, and instead will be a trailing comment for the token before `sourceNode`, e.g.: + * `function foo(\* not leading comment for a *\ a: string) {}` + * The comment refers to `a` but belongs to the `(` token, but we might want to copy it. + */ + function copyTrailingAsLeadingComments(sourceNode, targetNode, sourceFile, commentKind, hasTrailingNewLine) { + ts.forEachTrailingCommentRange(sourceFile.text, sourceNode.pos, getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, ts.addSyntheticLeadingComment)); + } + ts.copyTrailingAsLeadingComments = copyTrailingAsLeadingComments; + function getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, cb) { + return function (pos, end, kind, htnl) { + if (kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + // Remove leading /* + pos += 2; + // Remove trailing */ + end -= 2; + } + else { + // Remove leading // + pos += 2; + } + cb(targetNode, commentKind || kind, sourceFile.text.slice(pos, end), hasTrailingNewLine !== undefined ? hasTrailingNewLine : htnl); + }; + } + function indexInTextChange(change, name) { + if (ts.startsWith(change, name)) + return 0; + // Add a " " to avoid references inside words + var idx = change.indexOf(" " + name); + if (idx === -1) + idx = change.indexOf("." + name); + if (idx === -1) + idx = change.indexOf('"' + name); + return idx === -1 ? -1 : idx + 1; + } + /* @internal */ + function needsParentheses(expression) { + return ts.isBinaryExpression(expression) && expression.operatorToken.kind === 27 /* SyntaxKind.CommaToken */ + || ts.isObjectLiteralExpression(expression) + || ts.isAsExpression(expression) && ts.isObjectLiteralExpression(expression.expression); + } + ts.needsParentheses = needsParentheses; + function getContextualTypeFromParent(node, checker) { + var parent = node.parent; + switch (parent.kind) { + case 209 /* SyntaxKind.NewExpression */: + return checker.getContextualType(parent); + case 221 /* SyntaxKind.BinaryExpression */: { + var _a = parent, left = _a.left, operatorToken = _a.operatorToken, right = _a.right; + return isEqualityOperatorKind(operatorToken.kind) + ? checker.getTypeAtLocation(node === right ? left : right) + : checker.getContextualType(node); + } + case 289 /* SyntaxKind.CaseClause */: + return parent.expression === node ? getSwitchedType(parent, checker) : undefined; + default: + return checker.getContextualType(node); + } + } + ts.getContextualTypeFromParent = getContextualTypeFromParent; + function quote(sourceFile, preferences, text) { + // Editors can pass in undefined or empty string - we want to infer the preference in those cases. + var quotePreference = getQuotePreference(sourceFile, preferences); + var quoted = JSON.stringify(text); + return quotePreference === 0 /* QuotePreference.Single */ ? "'".concat(ts.stripQuotes(quoted).replace(/'/g, "\\'").replace(/\\"/g, '"'), "'") : quoted; + } + ts.quote = quote; + function isEqualityOperatorKind(kind) { + switch (kind) { + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 34 /* SyntaxKind.EqualsEqualsToken */: + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + return true; + default: + return false; + } + } + ts.isEqualityOperatorKind = isEqualityOperatorKind; + function isStringLiteralOrTemplate(node) { + switch (node.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 223 /* SyntaxKind.TemplateExpression */: + case 210 /* SyntaxKind.TaggedTemplateExpression */: + return true; + default: + return false; + } + } + ts.isStringLiteralOrTemplate = isStringLiteralOrTemplate; + function hasIndexSignature(type) { + return !!type.getStringIndexType() || !!type.getNumberIndexType(); + } + ts.hasIndexSignature = hasIndexSignature; + function getSwitchedType(caseClause, checker) { + return checker.getTypeAtLocation(caseClause.parent.parent.expression); + } + ts.getSwitchedType = getSwitchedType; + ts.ANONYMOUS = "anonymous function"; + function getTypeNodeIfAccessible(type, enclosingScope, program, host) { + var checker = program.getTypeChecker(); + var typeIsAccessible = true; + var notAccessible = function () { return typeIsAccessible = false; }; + var res = checker.typeToTypeNode(type, enclosingScope, 1 /* NodeBuilderFlags.NoTruncation */, { + trackSymbol: function (symbol, declaration, meaning) { + typeIsAccessible = typeIsAccessible && checker.isSymbolAccessible(symbol, declaration, meaning, /*shouldComputeAliasToMarkVisible*/ false).accessibility === 0 /* SymbolAccessibility.Accessible */; + return !typeIsAccessible; + }, + reportInaccessibleThisError: notAccessible, + reportPrivateInBaseOfClassExpression: notAccessible, + reportInaccessibleUniqueSymbolError: notAccessible, + moduleResolverHost: getModuleSpecifierResolverHost(program, host) + }); + return typeIsAccessible ? res : undefined; + } + ts.getTypeNodeIfAccessible = getTypeNodeIfAccessible; + function syntaxRequiresTrailingCommaOrSemicolonOrASI(kind) { + return kind === 174 /* SyntaxKind.CallSignature */ + || kind === 175 /* SyntaxKind.ConstructSignature */ + || kind === 176 /* SyntaxKind.IndexSignature */ + || kind === 166 /* SyntaxKind.PropertySignature */ + || kind === 168 /* SyntaxKind.MethodSignature */; + } + function syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI(kind) { + return kind === 256 /* SyntaxKind.FunctionDeclaration */ + || kind === 171 /* SyntaxKind.Constructor */ + || kind === 169 /* SyntaxKind.MethodDeclaration */ + || kind === 172 /* SyntaxKind.GetAccessor */ + || kind === 173 /* SyntaxKind.SetAccessor */; + } + function syntaxRequiresTrailingModuleBlockOrSemicolonOrASI(kind) { + return kind === 261 /* SyntaxKind.ModuleDeclaration */; + } + function syntaxRequiresTrailingSemicolonOrASI(kind) { + return kind === 237 /* SyntaxKind.VariableStatement */ + || kind === 238 /* SyntaxKind.ExpressionStatement */ + || kind === 240 /* SyntaxKind.DoStatement */ + || kind === 245 /* SyntaxKind.ContinueStatement */ + || kind === 246 /* SyntaxKind.BreakStatement */ + || kind === 247 /* SyntaxKind.ReturnStatement */ + || kind === 251 /* SyntaxKind.ThrowStatement */ + || kind === 253 /* SyntaxKind.DebuggerStatement */ + || kind === 167 /* SyntaxKind.PropertyDeclaration */ + || kind === 259 /* SyntaxKind.TypeAliasDeclaration */ + || kind === 266 /* SyntaxKind.ImportDeclaration */ + || kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ + || kind === 272 /* SyntaxKind.ExportDeclaration */ + || kind === 264 /* SyntaxKind.NamespaceExportDeclaration */ + || kind === 271 /* SyntaxKind.ExportAssignment */; + } + ts.syntaxRequiresTrailingSemicolonOrASI = syntaxRequiresTrailingSemicolonOrASI; + ts.syntaxMayBeASICandidate = ts.or(syntaxRequiresTrailingCommaOrSemicolonOrASI, syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI, syntaxRequiresTrailingModuleBlockOrSemicolonOrASI, syntaxRequiresTrailingSemicolonOrASI); + function nodeIsASICandidate(node, sourceFile) { + var lastToken = node.getLastToken(sourceFile); + if (lastToken && lastToken.kind === 26 /* SyntaxKind.SemicolonToken */) { + return false; + } + if (syntaxRequiresTrailingCommaOrSemicolonOrASI(node.kind)) { + if (lastToken && lastToken.kind === 27 /* SyntaxKind.CommaToken */) { + return false; + } + } + else if (syntaxRequiresTrailingModuleBlockOrSemicolonOrASI(node.kind)) { + var lastChild = ts.last(node.getChildren(sourceFile)); + if (lastChild && ts.isModuleBlock(lastChild)) { + return false; + } + } + else if (syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI(node.kind)) { + var lastChild = ts.last(node.getChildren(sourceFile)); + if (lastChild && ts.isFunctionBlock(lastChild)) { + return false; + } + } + else if (!syntaxRequiresTrailingSemicolonOrASI(node.kind)) { + return false; + } + // See comment in parser’s `parseDoStatement` + if (node.kind === 240 /* SyntaxKind.DoStatement */) { + return true; + } + var topNode = ts.findAncestor(node, function (ancestor) { return !ancestor.parent; }); + var nextToken = findNextToken(node, topNode, sourceFile); + if (!nextToken || nextToken.kind === 19 /* SyntaxKind.CloseBraceToken */) { + return true; + } + var startLine = sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(nextToken.getStart(sourceFile)).line; + return startLine !== endLine; + } + function positionIsASICandidate(pos, context, sourceFile) { + var contextAncestor = ts.findAncestor(context, function (ancestor) { + if (ancestor.end !== pos) { + return "quit"; + } + return ts.syntaxMayBeASICandidate(ancestor.kind); + }); + return !!contextAncestor && nodeIsASICandidate(contextAncestor, sourceFile); + } + ts.positionIsASICandidate = positionIsASICandidate; + function probablyUsesSemicolons(sourceFile) { + var withSemicolon = 0; + var withoutSemicolon = 0; + var nStatementsToObserve = 5; + ts.forEachChild(sourceFile, function visit(node) { + if (syntaxRequiresTrailingSemicolonOrASI(node.kind)) { + var lastToken = node.getLastToken(sourceFile); + if ((lastToken === null || lastToken === void 0 ? void 0 : lastToken.kind) === 26 /* SyntaxKind.SemicolonToken */) { + withSemicolon++; + } + else { + withoutSemicolon++; + } + } + else if (syntaxRequiresTrailingCommaOrSemicolonOrASI(node.kind)) { + var lastToken = node.getLastToken(sourceFile); + if ((lastToken === null || lastToken === void 0 ? void 0 : lastToken.kind) === 26 /* SyntaxKind.SemicolonToken */) { + withSemicolon++; + } + else if (lastToken && lastToken.kind !== 27 /* SyntaxKind.CommaToken */) { + var lastTokenLine = ts.getLineAndCharacterOfPosition(sourceFile, lastToken.getStart(sourceFile)).line; + var nextTokenLine = ts.getLineAndCharacterOfPosition(sourceFile, ts.getSpanOfTokenAtPosition(sourceFile, lastToken.end).start).line; + // Avoid counting missing semicolon in single-line objects: + // `function f(p: { x: string /*no semicolon here is insignificant*/ }) {` + if (lastTokenLine !== nextTokenLine) { + withoutSemicolon++; + } + } + } + if (withSemicolon + withoutSemicolon >= nStatementsToObserve) { + return true; + } + return ts.forEachChild(node, visit); + }); + // One statement missing a semicolon isn't sufficient evidence to say the user + // doesn’t want semicolons, because they may not even be done writing that statement. + if (withSemicolon === 0 && withoutSemicolon <= 1) { + return true; + } + // If even 2/5 places have a semicolon, the user probably wants semicolons + return withSemicolon / withoutSemicolon > 1 / nStatementsToObserve; + } + ts.probablyUsesSemicolons = probablyUsesSemicolons; + function tryGetDirectories(host, directoryName) { + return tryIOAndConsumeErrors(host, host.getDirectories, directoryName) || []; + } + ts.tryGetDirectories = tryGetDirectories; + function tryReadDirectory(host, path, extensions, exclude, include) { + return tryIOAndConsumeErrors(host, host.readDirectory, path, extensions, exclude, include) || ts.emptyArray; + } + ts.tryReadDirectory = tryReadDirectory; + function tryFileExists(host, path) { + return tryIOAndConsumeErrors(host, host.fileExists, path); + } + ts.tryFileExists = tryFileExists; + function tryDirectoryExists(host, path) { + return tryAndIgnoreErrors(function () { return ts.directoryProbablyExists(path, host); }) || false; + } + ts.tryDirectoryExists = tryDirectoryExists; + function tryAndIgnoreErrors(cb) { + try { + return cb(); + } + catch (_a) { + return undefined; + } + } + ts.tryAndIgnoreErrors = tryAndIgnoreErrors; + function tryIOAndConsumeErrors(host, toApply) { + var args = []; + for (var _i = 2; _i < arguments.length; _i++) { + args[_i - 2] = arguments[_i]; + } + return tryAndIgnoreErrors(function () { return toApply && toApply.apply(host, args); }); + } + ts.tryIOAndConsumeErrors = tryIOAndConsumeErrors; + function findPackageJsons(startDirectory, host, stopDirectory) { + var paths = []; + ts.forEachAncestorDirectory(startDirectory, function (ancestor) { + if (ancestor === stopDirectory) { + return true; + } + var currentConfigPath = ts.combinePaths(ancestor, "package.json"); + if (tryFileExists(host, currentConfigPath)) { + paths.push(currentConfigPath); + } + }); + return paths; + } + ts.findPackageJsons = findPackageJsons; + function findPackageJson(directory, host) { + var packageJson; + ts.forEachAncestorDirectory(directory, function (ancestor) { + if (ancestor === "node_modules") + return true; + packageJson = ts.findConfigFile(ancestor, function (f) { return tryFileExists(host, f); }, "package.json"); + if (packageJson) { + return true; // break out + } + }); + return packageJson; + } + ts.findPackageJson = findPackageJson; + function getPackageJsonsVisibleToFile(fileName, host) { + if (!host.fileExists) { + return []; + } + var packageJsons = []; + ts.forEachAncestorDirectory(ts.getDirectoryPath(fileName), function (ancestor) { + var packageJsonFileName = ts.combinePaths(ancestor, "package.json"); + if (host.fileExists(packageJsonFileName)) { + var info = createPackageJsonInfo(packageJsonFileName, host); + if (info) { + packageJsons.push(info); + } + } + }); + return packageJsons; + } + ts.getPackageJsonsVisibleToFile = getPackageJsonsVisibleToFile; + function createPackageJsonInfo(fileName, host) { + if (!host.readFile) { + return undefined; + } + var dependencyKeys = ["dependencies", "devDependencies", "optionalDependencies", "peerDependencies"]; + var stringContent = host.readFile(fileName) || ""; + var content = tryParseJson(stringContent); + var info = {}; + if (content) { + for (var _i = 0, dependencyKeys_1 = dependencyKeys; _i < dependencyKeys_1.length; _i++) { + var key = dependencyKeys_1[_i]; + var dependencies = content[key]; + if (!dependencies) { + continue; + } + var dependencyMap = new ts.Map(); + for (var packageName in dependencies) { + dependencyMap.set(packageName, dependencies[packageName]); + } + info[key] = dependencyMap; + } + } + var dependencyGroups = [ + [1 /* PackageJsonDependencyGroup.Dependencies */, info.dependencies], + [2 /* PackageJsonDependencyGroup.DevDependencies */, info.devDependencies], + [8 /* PackageJsonDependencyGroup.OptionalDependencies */, info.optionalDependencies], + [4 /* PackageJsonDependencyGroup.PeerDependencies */, info.peerDependencies], + ]; + return __assign(__assign({}, info), { parseable: !!content, fileName: fileName, get: get, has: function (dependencyName, inGroups) { + return !!get(dependencyName, inGroups); + } }); + function get(dependencyName, inGroups) { + if (inGroups === void 0) { inGroups = 15 /* PackageJsonDependencyGroup.All */; } + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var _a = dependencyGroups_1[_i], group_1 = _a[0], deps = _a[1]; + if (deps && (inGroups & group_1)) { + var dep = deps.get(dependencyName); + if (dep !== undefined) { + return dep; + } + } + } + } + } + ts.createPackageJsonInfo = createPackageJsonInfo; + function createPackageJsonImportFilter(fromFile, preferences, host) { + var packageJsons = ((host.getPackageJsonsVisibleToFile && host.getPackageJsonsVisibleToFile(fromFile.fileName)) || getPackageJsonsVisibleToFile(fromFile.fileName, host)).filter(function (p) { return p.parseable; }); + var usesNodeCoreModules; + return { allowsImportingAmbientModule: allowsImportingAmbientModule, allowsImportingSourceFile: allowsImportingSourceFile, allowsImportingSpecifier: allowsImportingSpecifier }; + function moduleSpecifierIsCoveredByPackageJson(specifier) { + var packageName = getNodeModuleRootSpecifier(specifier); + for (var _i = 0, packageJsons_1 = packageJsons; _i < packageJsons_1.length; _i++) { + var packageJson = packageJsons_1[_i]; + if (packageJson.has(packageName) || packageJson.has(ts.getTypesPackageName(packageName))) { + return true; + } + } + return false; + } + function allowsImportingAmbientModule(moduleSymbol, moduleSpecifierResolutionHost) { + if (!packageJsons.length || !moduleSymbol.valueDeclaration) { + return true; + } + var declaringSourceFile = moduleSymbol.valueDeclaration.getSourceFile(); + var declaringNodeModuleName = getNodeModulesPackageNameFromFileName(declaringSourceFile.fileName, moduleSpecifierResolutionHost); + if (typeof declaringNodeModuleName === "undefined") { + return true; + } + var declaredModuleSpecifier = ts.stripQuotes(moduleSymbol.getName()); + if (isAllowedCoreNodeModulesImport(declaredModuleSpecifier)) { + return true; + } + return moduleSpecifierIsCoveredByPackageJson(declaringNodeModuleName) + || moduleSpecifierIsCoveredByPackageJson(declaredModuleSpecifier); + } + function allowsImportingSourceFile(sourceFile, moduleSpecifierResolutionHost) { + if (!packageJsons.length) { + return true; + } + var moduleSpecifier = getNodeModulesPackageNameFromFileName(sourceFile.fileName, moduleSpecifierResolutionHost); + if (!moduleSpecifier) { + return true; + } + return moduleSpecifierIsCoveredByPackageJson(moduleSpecifier); + } + function allowsImportingSpecifier(moduleSpecifier) { + if (!packageJsons.length || isAllowedCoreNodeModulesImport(moduleSpecifier)) { + return true; + } + if (ts.pathIsRelative(moduleSpecifier) || ts.isRootedDiskPath(moduleSpecifier)) { + return true; + } + return moduleSpecifierIsCoveredByPackageJson(moduleSpecifier); + } + function isAllowedCoreNodeModulesImport(moduleSpecifier) { + // If we’re in JavaScript, it can be difficult to tell whether the user wants to import + // from Node core modules or not. We can start by seeing if the user is actually using + // any node core modules, as opposed to simply having @types/node accidentally as a + // dependency of a dependency. + if (ts.isSourceFileJS(fromFile) && ts.JsTyping.nodeCoreModules.has(moduleSpecifier)) { + if (usesNodeCoreModules === undefined) { + usesNodeCoreModules = consumesNodeCoreModules(fromFile); + } + if (usesNodeCoreModules) { + return true; + } + } + return false; + } + function getNodeModulesPackageNameFromFileName(importedFileName, moduleSpecifierResolutionHost) { + if (!ts.stringContains(importedFileName, "node_modules")) { + return undefined; + } + var specifier = ts.moduleSpecifiers.getNodeModulesPackageName(host.getCompilationSettings(), fromFile, importedFileName, moduleSpecifierResolutionHost, preferences); + if (!specifier) { + return undefined; + } + // Paths here are not node_modules, so we don’t care about them; + // returning anything will trigger a lookup in package.json. + if (!ts.pathIsRelative(specifier) && !ts.isRootedDiskPath(specifier)) { + return getNodeModuleRootSpecifier(specifier); + } + } + function getNodeModuleRootSpecifier(fullSpecifier) { + var components = ts.getPathComponents(ts.getPackageNameFromTypesPackageName(fullSpecifier)).slice(1); + // Scoped packages + if (ts.startsWith(components[0], "@")) { + return "".concat(components[0], "/").concat(components[1]); + } + return components[0]; + } + } + ts.createPackageJsonImportFilter = createPackageJsonImportFilter; + function tryParseJson(text) { + try { + return JSON.parse(text); + } + catch (_a) { + return undefined; + } + } + function consumesNodeCoreModules(sourceFile) { + return ts.some(sourceFile.imports, function (_a) { + var text = _a.text; + return ts.JsTyping.nodeCoreModules.has(text); + }); + } + ts.consumesNodeCoreModules = consumesNodeCoreModules; + function isInsideNodeModules(fileOrDirectory) { + return ts.contains(ts.getPathComponents(fileOrDirectory), "node_modules"); + } + ts.isInsideNodeModules = isInsideNodeModules; + function isDiagnosticWithLocation(diagnostic) { + return diagnostic.file !== undefined && diagnostic.start !== undefined && diagnostic.length !== undefined; + } + ts.isDiagnosticWithLocation = isDiagnosticWithLocation; + function findDiagnosticForNode(node, sortedFileDiagnostics) { + var span = createTextSpanFromNode(node); + var index = ts.binarySearchKey(sortedFileDiagnostics, span, ts.identity, ts.compareTextSpans); + if (index >= 0) { + var diagnostic = sortedFileDiagnostics[index]; + ts.Debug.assertEqual(diagnostic.file, node.getSourceFile(), "Diagnostics proided to 'findDiagnosticForNode' must be from a single SourceFile"); + return ts.cast(diagnostic, isDiagnosticWithLocation); + } + } + ts.findDiagnosticForNode = findDiagnosticForNode; + function getDiagnosticsWithinSpan(span, sortedFileDiagnostics) { + var _a; + var index = ts.binarySearchKey(sortedFileDiagnostics, span.start, function (diag) { return diag.start; }, ts.compareValues); + if (index < 0) { + index = ~index; + } + while (((_a = sortedFileDiagnostics[index - 1]) === null || _a === void 0 ? void 0 : _a.start) === span.start) { + index--; + } + var result = []; + var end = ts.textSpanEnd(span); + while (true) { + var diagnostic = ts.tryCast(sortedFileDiagnostics[index], isDiagnosticWithLocation); + if (!diagnostic || diagnostic.start > end) { + break; + } + if (ts.textSpanContainsTextSpan(span, diagnostic)) { + result.push(diagnostic); + } + index++; + } + return result; + } + ts.getDiagnosticsWithinSpan = getDiagnosticsWithinSpan; + /* @internal */ + function getRefactorContextSpan(_a) { + var startPosition = _a.startPosition, endPosition = _a.endPosition; + return ts.createTextSpanFromBounds(startPosition, endPosition === undefined ? startPosition : endPosition); + } + ts.getRefactorContextSpan = getRefactorContextSpan; + /* @internal */ + function getFixableErrorSpanExpression(sourceFile, span) { + var token = getTokenAtPosition(sourceFile, span.start); + // Checker has already done work to determine that await might be possible, and has attached + // related info to the node, so start by finding the expression that exactly matches up + // with the diagnostic range. + var expression = ts.findAncestor(token, function (node) { + if (node.getStart(sourceFile) < span.start || node.getEnd() > ts.textSpanEnd(span)) { + return "quit"; + } + return ts.isExpression(node) && textSpansEqual(span, createTextSpanFromNode(node, sourceFile)); + }); + return expression; + } + ts.getFixableErrorSpanExpression = getFixableErrorSpanExpression; + function mapOneOrMany(valueOrArray, f, resultSelector) { + if (resultSelector === void 0) { resultSelector = ts.identity; } + return valueOrArray ? ts.isArray(valueOrArray) ? resultSelector(ts.map(valueOrArray, f)) : f(valueOrArray, 0) : undefined; + } + ts.mapOneOrMany = mapOneOrMany; + /** + * If the provided value is an array, the first element of the array is returned; otherwise, the provided value is returned instead. + */ + function firstOrOnly(valueOrArray) { + return ts.isArray(valueOrArray) ? ts.first(valueOrArray) : valueOrArray; + } + ts.firstOrOnly = firstOrOnly; + function getNamesForExportedSymbol(symbol, scriptTarget) { + if (needsNameFromDeclaration(symbol)) { + var fromDeclaration = getDefaultLikeExportNameFromDeclaration(symbol); + if (fromDeclaration) + return fromDeclaration; + var fileNameCase = ts.codefix.moduleSymbolToValidIdentifier(getSymbolParentOrFail(symbol), scriptTarget, /*preferCapitalized*/ false); + var capitalized = ts.codefix.moduleSymbolToValidIdentifier(getSymbolParentOrFail(symbol), scriptTarget, /*preferCapitalized*/ true); + if (fileNameCase === capitalized) + return fileNameCase; + return [fileNameCase, capitalized]; + } + return symbol.name; + } + ts.getNamesForExportedSymbol = getNamesForExportedSymbol; + function getNameForExportedSymbol(symbol, scriptTarget, preferCapitalized) { + if (needsNameFromDeclaration(symbol)) { + // Name of "export default foo;" is "foo". Name of "export default 0" is the filename converted to camelCase. + return getDefaultLikeExportNameFromDeclaration(symbol) + || ts.codefix.moduleSymbolToValidIdentifier(getSymbolParentOrFail(symbol), scriptTarget, !!preferCapitalized); + } + return symbol.name; + } + ts.getNameForExportedSymbol = getNameForExportedSymbol; + function needsNameFromDeclaration(symbol) { + return !(symbol.flags & 33554432 /* SymbolFlags.Transient */) && (symbol.escapedName === "export=" /* InternalSymbolName.ExportEquals */ || symbol.escapedName === "default" /* InternalSymbolName.Default */); + } + function getDefaultLikeExportNameFromDeclaration(symbol) { + return ts.firstDefined(symbol.declarations, function (d) { var _a; return ts.isExportAssignment(d) ? (_a = ts.tryCast(ts.skipOuterExpressions(d.expression), ts.isIdentifier)) === null || _a === void 0 ? void 0 : _a.text : undefined; }); + } + function getSymbolParentOrFail(symbol) { + var _a; + return ts.Debug.checkDefined(symbol.parent, "Symbol parent was undefined. Flags: ".concat(ts.Debug.formatSymbolFlags(symbol.flags), ". ") + + "Declarations: ".concat((_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.map(function (d) { + var kind = ts.Debug.formatSyntaxKind(d.kind); + var inJS = ts.isInJSFile(d); + var expression = d.expression; + return (inJS ? "[JS]" : "") + kind + (expression ? " (expression: ".concat(ts.Debug.formatSyntaxKind(expression.kind), ")") : ""); + }).join(", "), ".")); + } + /** + * Useful to check whether a string contains another string at a specific index + * without allocating another string or traversing the entire contents of the outer string. + * + * This function is useful in place of either of the following: + * + * ```ts + * // Allocates + * haystack.substr(startIndex, needle.length) === needle + * + * // Full traversal + * haystack.indexOf(needle, startIndex) === startIndex + * ``` + * + * @param haystack The string that potentially contains `needle`. + * @param needle The string whose content might sit within `haystack`. + * @param startIndex The index within `haystack` to start searching for `needle`. + */ + function stringContainsAt(haystack, needle, startIndex) { + var needleLength = needle.length; + if (needleLength + startIndex > haystack.length) { + return false; + } + for (var i = 0; i < needleLength; i++) { + if (needle.charCodeAt(i) !== haystack.charCodeAt(i + startIndex)) + return false; + } + return true; + } + ts.stringContainsAt = stringContainsAt; + function startsWithUnderscore(name) { + return name.charCodeAt(0) === 95 /* CharacterCodes._ */; + } + ts.startsWithUnderscore = startsWithUnderscore; + function isGlobalDeclaration(declaration) { + return !isNonGlobalDeclaration(declaration); + } + ts.isGlobalDeclaration = isGlobalDeclaration; + function isNonGlobalDeclaration(declaration) { + var sourceFile = declaration.getSourceFile(); + // If the file is not a module, the declaration is global + if (!sourceFile.externalModuleIndicator && !sourceFile.commonJsModuleIndicator) { + return false; + } + // If the file is a module written in TypeScript, it still might be in a `declare global` augmentation + return ts.isInJSFile(declaration) || !ts.findAncestor(declaration, ts.isGlobalScopeAugmentation); + } + ts.isNonGlobalDeclaration = isNonGlobalDeclaration; + function isDeprecatedDeclaration(decl) { + return !!(ts.getCombinedNodeFlagsAlwaysIncludeJSDoc(decl) & 8192 /* ModifierFlags.Deprecated */); + } + ts.isDeprecatedDeclaration = isDeprecatedDeclaration; + function shouldUseUriStyleNodeCoreModules(file, program) { + var decisionFromFile = ts.firstDefined(file.imports, function (node) { + if (ts.JsTyping.nodeCoreModules.has(node.text)) { + return ts.startsWith(node.text, "node:"); + } + }); + return decisionFromFile !== null && decisionFromFile !== void 0 ? decisionFromFile : program.usesUriStyleNodeCoreModules; + } + ts.shouldUseUriStyleNodeCoreModules = shouldUseUriStyleNodeCoreModules; + function getNewLineKind(newLineCharacter) { + return newLineCharacter === "\n" ? 1 /* NewLineKind.LineFeed */ : 0 /* NewLineKind.CarriageReturnLineFeed */; + } + ts.getNewLineKind = getNewLineKind; + function diagnosticToString(diag) { + return ts.isArray(diag) + ? ts.formatStringFromArgs(ts.getLocaleSpecificMessage(diag[0]), diag.slice(1)) + : ts.getLocaleSpecificMessage(diag); + } + ts.diagnosticToString = diagnosticToString; + /** + * Get format code settings for a code writing context (e.g. when formatting text changes or completions code). + */ + function getFormatCodeSettingsForWriting(_a, sourceFile) { + var options = _a.options; + var shouldAutoDetectSemicolonPreference = !options.semicolons || options.semicolons === ts.SemicolonPreference.Ignore; + var shouldRemoveSemicolons = options.semicolons === ts.SemicolonPreference.Remove || shouldAutoDetectSemicolonPreference && !probablyUsesSemicolons(sourceFile); + return __assign(__assign({}, options), { semicolons: shouldRemoveSemicolons ? ts.SemicolonPreference.Remove : ts.SemicolonPreference.Ignore }); + } + ts.getFormatCodeSettingsForWriting = getFormatCodeSettingsForWriting; + function jsxModeNeedsExplicitImport(jsx) { + return jsx === 2 /* JsxEmit.React */ || jsx === 3 /* JsxEmit.ReactNative */; + } + ts.jsxModeNeedsExplicitImport = jsxModeNeedsExplicitImport; + // #endregion +})(ts || (ts = {})); +/*@internal*/ +var ts; +(function (ts) { + var ImportKind; + (function (ImportKind) { + ImportKind[ImportKind["Named"] = 0] = "Named"; + ImportKind[ImportKind["Default"] = 1] = "Default"; + ImportKind[ImportKind["Namespace"] = 2] = "Namespace"; + ImportKind[ImportKind["CommonJS"] = 3] = "CommonJS"; + })(ImportKind = ts.ImportKind || (ts.ImportKind = {})); + var ExportKind; + (function (ExportKind) { + ExportKind[ExportKind["Named"] = 0] = "Named"; + ExportKind[ExportKind["Default"] = 1] = "Default"; + ExportKind[ExportKind["ExportEquals"] = 2] = "ExportEquals"; + ExportKind[ExportKind["UMD"] = 3] = "UMD"; + })(ExportKind = ts.ExportKind || (ts.ExportKind = {})); + function createCacheableExportInfoMap(host) { + var exportInfoId = 1; + var exportInfo = ts.createMultiMap(); + var symbols = new ts.Map(); + /** + * Key: node_modules package name (no @types). + * Value: path to deepest node_modules folder seen that is + * both visible to `usableByFileName` and contains the package. + * + * Later, we can see if a given SymbolExportInfo is shadowed by + * a another installation of the same package in a deeper + * node_modules folder by seeing if its path starts with the + * value stored here. + */ + var packages = new ts.Map(); + var usableByFileName; + var cache = { + isUsableByFile: function (importingFile) { return importingFile === usableByFileName; }, + isEmpty: function () { return !exportInfo.size; }, + clear: function () { + exportInfo.clear(); + symbols.clear(); + usableByFileName = undefined; + }, + add: function (importingFile, symbol, symbolTableKey, moduleSymbol, moduleFile, exportKind, isFromPackageJson, checker) { + if (importingFile !== usableByFileName) { + cache.clear(); + usableByFileName = importingFile; + } + var packageName; + if (moduleFile) { + var nodeModulesPathParts = ts.getNodeModulePathParts(moduleFile.fileName); + if (nodeModulesPathParts) { + var topLevelNodeModulesIndex = nodeModulesPathParts.topLevelNodeModulesIndex, topLevelPackageNameIndex = nodeModulesPathParts.topLevelPackageNameIndex, packageRootIndex = nodeModulesPathParts.packageRootIndex; + packageName = ts.unmangleScopedPackageName(ts.getPackageNameFromTypesPackageName(moduleFile.fileName.substring(topLevelPackageNameIndex + 1, packageRootIndex))); + if (ts.startsWith(importingFile, moduleFile.path.substring(0, topLevelNodeModulesIndex))) { + var prevDeepestNodeModulesPath = packages.get(packageName); + var nodeModulesPath = moduleFile.fileName.substring(0, topLevelPackageNameIndex + 1); + if (prevDeepestNodeModulesPath) { + var prevDeepestNodeModulesIndex = prevDeepestNodeModulesPath.indexOf(ts.nodeModulesPathPart); + if (topLevelNodeModulesIndex > prevDeepestNodeModulesIndex) { + packages.set(packageName, nodeModulesPath); + } + } + else { + packages.set(packageName, nodeModulesPath); + } + } + } + } + var isDefault = exportKind === 1 /* ExportKind.Default */; + var namedSymbol = isDefault && ts.getLocalSymbolForExportDefault(symbol) || symbol; + // 1. A named export must be imported by its key in `moduleSymbol.exports` or `moduleSymbol.members`. + // 2. A re-export merged with an export from a module augmentation can result in `symbol` + // being an external module symbol; the name it is re-exported by will be `symbolTableKey` + // (which comes from the keys of `moduleSymbol.exports`.) + // 3. Otherwise, we have a default/namespace import that can be imported by any name, and + // `symbolTableKey` will be something undesirable like `export=` or `default`, so we try to + // get a better name. + var names = exportKind === 0 /* ExportKind.Named */ || ts.isExternalModuleSymbol(namedSymbol) + ? ts.unescapeLeadingUnderscores(symbolTableKey) + : ts.getNamesForExportedSymbol(namedSymbol, /*scriptTarget*/ undefined); + var symbolName = typeof names === "string" ? names : names[0]; + var capitalizedSymbolName = typeof names === "string" ? undefined : names[1]; + var moduleName = ts.stripQuotes(moduleSymbol.name); + var id = exportInfoId++; + var target = ts.skipAlias(symbol, checker); + var storedSymbol = symbol.flags & 33554432 /* SymbolFlags.Transient */ ? undefined : symbol; + var storedModuleSymbol = moduleSymbol.flags & 33554432 /* SymbolFlags.Transient */ ? undefined : moduleSymbol; + if (!storedSymbol || !storedModuleSymbol) + symbols.set(id, [symbol, moduleSymbol]); + exportInfo.add(key(symbolName, symbol, ts.isExternalModuleNameRelative(moduleName) ? undefined : moduleName, checker), { + id: id, + symbolTableKey: symbolTableKey, + symbolName: symbolName, + capitalizedSymbolName: capitalizedSymbolName, + moduleName: moduleName, + moduleFile: moduleFile, + moduleFileName: moduleFile === null || moduleFile === void 0 ? void 0 : moduleFile.fileName, + packageName: packageName, + exportKind: exportKind, + targetFlags: target.flags, + isFromPackageJson: isFromPackageJson, + symbol: storedSymbol, + moduleSymbol: storedModuleSymbol, + }); + }, + get: function (importingFile, key) { + if (importingFile !== usableByFileName) + return; + var result = exportInfo.get(key); + return result === null || result === void 0 ? void 0 : result.map(rehydrateCachedInfo); + }, + search: function (importingFile, preferCapitalized, matches, action) { + if (importingFile !== usableByFileName) + return; + exportInfo.forEach(function (info, key) { + var _a = parseKey(key), symbolName = _a.symbolName, ambientModuleName = _a.ambientModuleName; + var name = preferCapitalized && info[0].capitalizedSymbolName || symbolName; + if (matches(name, info[0].targetFlags)) { + var rehydrated = info.map(rehydrateCachedInfo); + var filtered = rehydrated.filter(function (r, i) { return isNotShadowedByDeeperNodeModulesPackage(r, info[i].packageName); }); + if (filtered.length) { + action(filtered, name, !!ambientModuleName, key); + } + } + }); + }, + releaseSymbols: function () { + symbols.clear(); + }, + onFileChanged: function (oldSourceFile, newSourceFile, typeAcquisitionEnabled) { + if (fileIsGlobalOnly(oldSourceFile) && fileIsGlobalOnly(newSourceFile)) { + // File is purely global; doesn't affect export map + return false; + } + if (usableByFileName && usableByFileName !== newSourceFile.path || + // If ATA is enabled, auto-imports uses existing imports to guess whether you want auto-imports from node. + // Adding or removing imports from node could change the outcome of that guess, so could change the suggestions list. + typeAcquisitionEnabled && ts.consumesNodeCoreModules(oldSourceFile) !== ts.consumesNodeCoreModules(newSourceFile) || + // Module agumentation and ambient module changes can add or remove exports available to be auto-imported. + // Changes elsewhere in the file can change the *type* of an export in a module augmentation, + // but type info is gathered in getCompletionEntryDetails, which doesn’t use the cache. + !ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations) || + !ambientModuleDeclarationsAreEqual(oldSourceFile, newSourceFile)) { + cache.clear(); + return true; + } + usableByFileName = newSourceFile.path; + return false; + }, + }; + if (ts.Debug.isDebugging) { + Object.defineProperty(cache, "__cache", { get: function () { return exportInfo; } }); + } + return cache; + function rehydrateCachedInfo(info) { + if (info.symbol && info.moduleSymbol) + return info; + var id = info.id, exportKind = info.exportKind, targetFlags = info.targetFlags, isFromPackageJson = info.isFromPackageJson, moduleFileName = info.moduleFileName; + var _a = symbols.get(id) || ts.emptyArray, cachedSymbol = _a[0], cachedModuleSymbol = _a[1]; + if (cachedSymbol && cachedModuleSymbol) { + return { + symbol: cachedSymbol, + moduleSymbol: cachedModuleSymbol, + moduleFileName: moduleFileName, + exportKind: exportKind, + targetFlags: targetFlags, + isFromPackageJson: isFromPackageJson, + }; + } + var checker = (isFromPackageJson + ? host.getPackageJsonAutoImportProvider() + : host.getCurrentProgram()).getTypeChecker(); + var moduleSymbol = info.moduleSymbol || cachedModuleSymbol || ts.Debug.checkDefined(info.moduleFile + ? checker.getMergedSymbol(info.moduleFile.symbol) + : checker.tryFindAmbientModule(info.moduleName)); + var symbol = info.symbol || cachedSymbol || ts.Debug.checkDefined(exportKind === 2 /* ExportKind.ExportEquals */ + ? checker.resolveExternalModuleSymbol(moduleSymbol) + : checker.tryGetMemberInModuleExportsAndProperties(ts.unescapeLeadingUnderscores(info.symbolTableKey), moduleSymbol), "Could not find symbol '".concat(info.symbolName, "' by key '").concat(info.symbolTableKey, "' in module ").concat(moduleSymbol.name)); + symbols.set(id, [symbol, moduleSymbol]); + return { + symbol: symbol, + moduleSymbol: moduleSymbol, + moduleFileName: moduleFileName, + exportKind: exportKind, + targetFlags: targetFlags, + isFromPackageJson: isFromPackageJson, + }; + } + function key(importedName, symbol, ambientModuleName, checker) { + var moduleKey = ambientModuleName || ""; + return "".concat(importedName, "|").concat(ts.getSymbolId(ts.skipAlias(symbol, checker)), "|").concat(moduleKey); + } + function parseKey(key) { + var symbolName = key.substring(0, key.indexOf("|")); + var moduleKey = key.substring(key.lastIndexOf("|") + 1); + var ambientModuleName = moduleKey === "" ? undefined : moduleKey; + return { symbolName: symbolName, ambientModuleName: ambientModuleName }; + } + function fileIsGlobalOnly(file) { + return !file.commonJsModuleIndicator && !file.externalModuleIndicator && !file.moduleAugmentations && !file.ambientModuleNames; + } + function ambientModuleDeclarationsAreEqual(oldSourceFile, newSourceFile) { + if (!ts.arrayIsEqualTo(oldSourceFile.ambientModuleNames, newSourceFile.ambientModuleNames)) { + return false; + } + var oldFileStatementIndex = -1; + var newFileStatementIndex = -1; + var _loop_2 = function (ambientModuleName) { + var isMatchingModuleDeclaration = function (node) { return ts.isNonGlobalAmbientModule(node) && node.name.text === ambientModuleName; }; + oldFileStatementIndex = ts.findIndex(oldSourceFile.statements, isMatchingModuleDeclaration, oldFileStatementIndex + 1); + newFileStatementIndex = ts.findIndex(newSourceFile.statements, isMatchingModuleDeclaration, newFileStatementIndex + 1); + if (oldSourceFile.statements[oldFileStatementIndex] !== newSourceFile.statements[newFileStatementIndex]) { + return { value: false }; + } + }; + for (var _i = 0, _a = newSourceFile.ambientModuleNames; _i < _a.length; _i++) { + var ambientModuleName = _a[_i]; + var state_2 = _loop_2(ambientModuleName); + if (typeof state_2 === "object") + return state_2.value; + } + return true; + } + function isNotShadowedByDeeperNodeModulesPackage(info, packageName) { + if (!packageName || !info.moduleFileName) + return true; + var typingsCacheLocation = host.getGlobalTypingsCacheLocation(); + if (typingsCacheLocation && ts.startsWith(info.moduleFileName, typingsCacheLocation)) + return true; + var packageDeepestNodeModulesPath = packages.get(packageName); + return !packageDeepestNodeModulesPath || ts.startsWith(info.moduleFileName, packageDeepestNodeModulesPath); + } + } + ts.createCacheableExportInfoMap = createCacheableExportInfoMap; + function isImportableFile(program, from, to, preferences, packageJsonFilter, moduleSpecifierResolutionHost, moduleSpecifierCache) { + var _a; + if (from === to) + return false; + var cachedResult = moduleSpecifierCache === null || moduleSpecifierCache === void 0 ? void 0 : moduleSpecifierCache.get(from.path, to.path, preferences, {}); + if ((cachedResult === null || cachedResult === void 0 ? void 0 : cachedResult.isBlockedByPackageJsonDependencies) !== undefined) { + return !cachedResult.isBlockedByPackageJsonDependencies; + } + var getCanonicalFileName = ts.hostGetCanonicalFileName(moduleSpecifierResolutionHost); + var globalTypingsCache = (_a = moduleSpecifierResolutionHost.getGlobalTypingsCacheLocation) === null || _a === void 0 ? void 0 : _a.call(moduleSpecifierResolutionHost); + var hasImportablePath = !!ts.moduleSpecifiers.forEachFileNameOfModule(from.fileName, to.fileName, moduleSpecifierResolutionHost, + /*preferSymlinks*/ false, function (toPath) { + var toFile = program.getSourceFile(toPath); + // Determine to import using toPath only if toPath is what we were looking at + // or there doesnt exist the file in the program by the symlink + return (toFile === to || !toFile) && + isImportablePath(from.fileName, toPath, getCanonicalFileName, globalTypingsCache); + }); + if (packageJsonFilter) { + var isAutoImportable = hasImportablePath && packageJsonFilter.allowsImportingSourceFile(to, moduleSpecifierResolutionHost); + moduleSpecifierCache === null || moduleSpecifierCache === void 0 ? void 0 : moduleSpecifierCache.setBlockedByPackageJsonDependencies(from.path, to.path, preferences, {}, !isAutoImportable); + return isAutoImportable; + } + return hasImportablePath; + } + ts.isImportableFile = isImportableFile; + /** + * Don't include something from a `node_modules` that isn't actually reachable by a global import. + * A relative import to node_modules is usually a bad idea. + */ + function isImportablePath(fromPath, toPath, getCanonicalFileName, globalCachePath) { + // If it's in a `node_modules` but is not reachable from here via a global import, don't bother. + var toNodeModules = ts.forEachAncestorDirectory(toPath, function (ancestor) { return ts.getBaseFileName(ancestor) === "node_modules" ? ancestor : undefined; }); + var toNodeModulesParent = toNodeModules && ts.getDirectoryPath(getCanonicalFileName(toNodeModules)); + return toNodeModulesParent === undefined + || ts.startsWith(getCanonicalFileName(fromPath), toNodeModulesParent) + || (!!globalCachePath && ts.startsWith(getCanonicalFileName(globalCachePath), toNodeModulesParent)); + } + function forEachExternalModuleToImportFrom(program, host, useAutoImportProvider, cb) { + var _a, _b; + forEachExternalModule(program.getTypeChecker(), program.getSourceFiles(), function (module, file) { return cb(module, file, program, /*isFromPackageJson*/ false); }); + var autoImportProvider = useAutoImportProvider && ((_a = host.getPackageJsonAutoImportProvider) === null || _a === void 0 ? void 0 : _a.call(host)); + if (autoImportProvider) { + var start = ts.timestamp(); + forEachExternalModule(autoImportProvider.getTypeChecker(), autoImportProvider.getSourceFiles(), function (module, file) { return cb(module, file, autoImportProvider, /*isFromPackageJson*/ true); }); + (_b = host.log) === null || _b === void 0 ? void 0 : _b.call(host, "forEachExternalModuleToImportFrom autoImportProvider: ".concat(ts.timestamp() - start)); + } + } + ts.forEachExternalModuleToImportFrom = forEachExternalModuleToImportFrom; + function forEachExternalModule(checker, allSourceFiles, cb) { + for (var _i = 0, _a = checker.getAmbientModules(); _i < _a.length; _i++) { + var ambient = _a[_i]; + if (!ts.stringContains(ambient.name, "*")) { + cb(ambient, /*sourceFile*/ undefined); + } + } + for (var _b = 0, allSourceFiles_1 = allSourceFiles; _b < allSourceFiles_1.length; _b++) { + var sourceFile = allSourceFiles_1[_b]; + if (ts.isExternalOrCommonJsModule(sourceFile)) { + cb(checker.getMergedSymbol(sourceFile.symbol), sourceFile); + } + } + } + function getExportInfoMap(importingFile, host, program, cancellationToken) { + var _a, _b, _c, _d, _e; + var start = ts.timestamp(); + // Pulling the AutoImportProvider project will trigger its updateGraph if pending, + // which will invalidate the export map cache if things change, so pull it before + // checking the cache. + (_a = host.getPackageJsonAutoImportProvider) === null || _a === void 0 ? void 0 : _a.call(host); + var cache = ((_b = host.getCachedExportInfoMap) === null || _b === void 0 ? void 0 : _b.call(host)) || createCacheableExportInfoMap({ + getCurrentProgram: function () { return program; }, + getPackageJsonAutoImportProvider: function () { var _a; return (_a = host.getPackageJsonAutoImportProvider) === null || _a === void 0 ? void 0 : _a.call(host); }, + getGlobalTypingsCacheLocation: function () { var _a; return (_a = host.getGlobalTypingsCacheLocation) === null || _a === void 0 ? void 0 : _a.call(host); }, + }); + if (cache.isUsableByFile(importingFile.path)) { + (_c = host.log) === null || _c === void 0 ? void 0 : _c.call(host, "getExportInfoMap: cache hit"); + return cache; + } + (_d = host.log) === null || _d === void 0 ? void 0 : _d.call(host, "getExportInfoMap: cache miss or empty; calculating new results"); + var compilerOptions = program.getCompilerOptions(); + var moduleCount = 0; + try { + forEachExternalModuleToImportFrom(program, host, /*useAutoImportProvider*/ true, function (moduleSymbol, moduleFile, program, isFromPackageJson) { + if (++moduleCount % 100 === 0) + cancellationToken === null || cancellationToken === void 0 ? void 0 : cancellationToken.throwIfCancellationRequested(); + var seenExports = new ts.Map(); + var checker = program.getTypeChecker(); + var defaultInfo = getDefaultLikeExportInfo(moduleSymbol, checker, compilerOptions); + // Note: I think we shouldn't actually see resolved module symbols here, but weird merges + // can cause it to happen: see 'completionsImport_mergedReExport.ts' + if (defaultInfo && isImportableSymbol(defaultInfo.symbol, checker)) { + cache.add(importingFile.path, defaultInfo.symbol, defaultInfo.exportKind === 1 /* ExportKind.Default */ ? "default" /* InternalSymbolName.Default */ : "export=" /* InternalSymbolName.ExportEquals */, moduleSymbol, moduleFile, defaultInfo.exportKind, isFromPackageJson, checker); + } + checker.forEachExportAndPropertyOfModule(moduleSymbol, function (exported, key) { + if (exported !== (defaultInfo === null || defaultInfo === void 0 ? void 0 : defaultInfo.symbol) && isImportableSymbol(exported, checker) && ts.addToSeen(seenExports, key)) { + cache.add(importingFile.path, exported, key, moduleSymbol, moduleFile, 0 /* ExportKind.Named */, isFromPackageJson, checker); + } + }); + }); + } + catch (err) { + // Ensure cache is reset if operation is cancelled + cache.clear(); + throw err; + } + (_e = host.log) === null || _e === void 0 ? void 0 : _e.call(host, "getExportInfoMap: done in ".concat(ts.timestamp() - start, " ms")); + return cache; + } + ts.getExportInfoMap = getExportInfoMap; + function getDefaultLikeExportInfo(moduleSymbol, checker, compilerOptions) { + var exported = getDefaultLikeExportWorker(moduleSymbol, checker); + if (!exported) + return undefined; + var symbol = exported.symbol, exportKind = exported.exportKind; + var info = getDefaultExportInfoWorker(symbol, checker, compilerOptions); + return info && __assign({ symbol: symbol, exportKind: exportKind }, info); + } + ts.getDefaultLikeExportInfo = getDefaultLikeExportInfo; + function isImportableSymbol(symbol, checker) { + return !checker.isUndefinedSymbol(symbol) && !checker.isUnknownSymbol(symbol) && !ts.isKnownSymbol(symbol) && !ts.isPrivateIdentifierSymbol(symbol); + } + function getDefaultLikeExportWorker(moduleSymbol, checker) { + var exportEquals = checker.resolveExternalModuleSymbol(moduleSymbol); + if (exportEquals !== moduleSymbol) + return { symbol: exportEquals, exportKind: 2 /* ExportKind.ExportEquals */ }; + var defaultExport = checker.tryGetMemberInModuleExports("default" /* InternalSymbolName.Default */, moduleSymbol); + if (defaultExport) + return { symbol: defaultExport, exportKind: 1 /* ExportKind.Default */ }; + } + function getDefaultExportInfoWorker(defaultExport, checker, compilerOptions) { + var localSymbol = ts.getLocalSymbolForExportDefault(defaultExport); + if (localSymbol) + return { symbolForMeaning: localSymbol, name: localSymbol.name }; + var name = getNameForExportDefault(defaultExport); + if (name !== undefined) + return { symbolForMeaning: defaultExport, name: name }; + if (defaultExport.flags & 2097152 /* SymbolFlags.Alias */) { + var aliased = checker.getImmediateAliasedSymbol(defaultExport); + if (aliased && aliased.parent) { + // - `aliased` will be undefined if the module is exporting an unresolvable name, + // but we can still offer completions for it. + // - `aliased.parent` will be undefined if the module is exporting `globalThis.something`, + // or another expression that resolves to a global. + return getDefaultExportInfoWorker(aliased, checker, compilerOptions); + } + } + if (defaultExport.escapedName !== "default" /* InternalSymbolName.Default */ && + defaultExport.escapedName !== "export=" /* InternalSymbolName.ExportEquals */) { + return { symbolForMeaning: defaultExport, name: defaultExport.getName() }; + } + return { symbolForMeaning: defaultExport, name: ts.getNameForExportedSymbol(defaultExport, compilerOptions.target) }; + } + function getNameForExportDefault(symbol) { + return symbol.declarations && ts.firstDefined(symbol.declarations, function (declaration) { + var _a; + if (ts.isExportAssignment(declaration)) { + return (_a = ts.tryCast(ts.skipOuterExpressions(declaration.expression), ts.isIdentifier)) === null || _a === void 0 ? void 0 : _a.text; + } + else if (ts.isExportSpecifier(declaration)) { + ts.Debug.assert(declaration.name.text === "default" /* InternalSymbolName.Default */, "Expected the specifier to be a default export"); + return declaration.propertyName && declaration.propertyName.text; + } + }); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + /** The classifier is used for syntactic highlighting in editors via the TSServer */ + function createClassifier() { + var scanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ false); + function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { + return convertClassificationsToResult(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + } + // If there is a syntactic classifier ('syntacticClassifierAbsent' is false), + // we will be more conservative in order to avoid conflicting with the syntactic classifier. + function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { + var token = 0 /* SyntaxKind.Unknown */; + var lastNonTriviaToken = 0 /* SyntaxKind.Unknown */; + // Just a stack of TemplateHeads and OpenCurlyBraces, used to perform rudimentary (inexact) + // classification on template strings. Because of the context free nature of templates, + // the only precise way to classify a template portion would be by propagating the stack across + // lines, just as we do with the end-of-line state. However, this is a burden for implementers, + // and the behavior is entirely subsumed by the syntactic classifier anyway, so we instead + // flatten any nesting when the template stack is non-empty and encode it in the end-of-line state. + // Situations in which this fails are + // 1) When template strings are nested across different lines: + // `hello ${ `world + // ` }` + // + // Where on the second line, you will get the closing of a template, + // a closing curly, and a new template. + // + // 2) When substitution expressions have curly braces and the curly brace falls on the next line: + // `hello ${ () => { + // return "world" } } ` + // + // Where on the second line, you will get the 'return' keyword, + // a string literal, and a template end consisting of '} } `'. + var templateStack = []; + var _a = getPrefixFromLexState(lexState), prefix = _a.prefix, pushTemplate = _a.pushTemplate; + text = prefix + text; + var offset = prefix.length; + if (pushTemplate) { + templateStack.push(15 /* SyntaxKind.TemplateHead */); + } + scanner.setText(text); + var endOfLineState = 0 /* EndOfLineState.None */; + var spans = []; + // We can run into an unfortunate interaction between the lexical and syntactic classifier + // when the user is typing something generic. Consider the case where the user types: + // + // Foo tokens. It's a weak heuristic, but should + // work well enough in practice. + var angleBracketStack = 0; + do { + token = scanner.scan(); + if (!ts.isTrivia(token)) { + handleToken(); + lastNonTriviaToken = token; + } + var end = scanner.getTextPos(); + pushEncodedClassification(scanner.getTokenPos(), end, offset, classFromKind(token), spans); + if (end >= text.length) { + var end_1 = getNewEndOfLineState(scanner, token, ts.lastOrUndefined(templateStack)); + if (end_1 !== undefined) { + endOfLineState = end_1; + } + } + } while (token !== 1 /* SyntaxKind.EndOfFileToken */); + function handleToken() { + switch (token) { + case 43 /* SyntaxKind.SlashToken */: + case 68 /* SyntaxKind.SlashEqualsToken */: + if (!noRegexTable[lastNonTriviaToken] && scanner.reScanSlashToken() === 13 /* SyntaxKind.RegularExpressionLiteral */) { + token = 13 /* SyntaxKind.RegularExpressionLiteral */; + } + break; + case 29 /* SyntaxKind.LessThanToken */: + if (lastNonTriviaToken === 79 /* SyntaxKind.Identifier */) { + // Could be the start of something generic. Keep track of that by bumping + // up the current count of generic contexts we may be in. + angleBracketStack++; + } + break; + case 31 /* SyntaxKind.GreaterThanToken */: + if (angleBracketStack > 0) { + // If we think we're currently in something generic, then mark that that + // generic entity is complete. + angleBracketStack--; + } + break; + case 130 /* SyntaxKind.AnyKeyword */: + case 150 /* SyntaxKind.StringKeyword */: + case 147 /* SyntaxKind.NumberKeyword */: + case 133 /* SyntaxKind.BooleanKeyword */: + case 151 /* SyntaxKind.SymbolKeyword */: + if (angleBracketStack > 0 && !syntacticClassifierAbsent) { + // If it looks like we're could be in something generic, don't classify this + // as a keyword. We may just get overwritten by the syntactic classifier, + // causing a noisy experience for the user. + token = 79 /* SyntaxKind.Identifier */; + } + break; + case 15 /* SyntaxKind.TemplateHead */: + templateStack.push(token); + break; + case 18 /* SyntaxKind.OpenBraceToken */: + // If we don't have anything on the template stack, + // then we aren't trying to keep track of a previously scanned template head. + if (templateStack.length > 0) { + templateStack.push(token); + } + break; + case 19 /* SyntaxKind.CloseBraceToken */: + // If we don't have anything on the template stack, + // then we aren't trying to keep track of a previously scanned template head. + if (templateStack.length > 0) { + var lastTemplateStackToken = ts.lastOrUndefined(templateStack); + if (lastTemplateStackToken === 15 /* SyntaxKind.TemplateHead */) { + token = scanner.reScanTemplateToken(/* isTaggedTemplate */ false); + // Only pop on a TemplateTail; a TemplateMiddle indicates there is more for us. + if (token === 17 /* SyntaxKind.TemplateTail */) { + templateStack.pop(); + } + else { + ts.Debug.assertEqual(token, 16 /* SyntaxKind.TemplateMiddle */, "Should have been a template middle."); + } + } + else { + ts.Debug.assertEqual(lastTemplateStackToken, 18 /* SyntaxKind.OpenBraceToken */, "Should have been an open brace"); + templateStack.pop(); + } + } + break; + default: + if (!ts.isKeyword(token)) { + break; + } + if (lastNonTriviaToken === 24 /* SyntaxKind.DotToken */) { + token = 79 /* SyntaxKind.Identifier */; + } + else if (ts.isKeyword(lastNonTriviaToken) && ts.isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { + // We have two keywords in a row. Only treat the second as a keyword if + // it's a sequence that could legally occur in the language. Otherwise + // treat it as an identifier. This way, if someone writes "private var" + // we recognize that 'var' is actually an identifier here. + token = 79 /* SyntaxKind.Identifier */; + } + } + } + return { endOfLineState: endOfLineState, spans: spans }; + } + return { getClassificationsForLine: getClassificationsForLine, getEncodedLexicalClassifications: getEncodedLexicalClassifications }; + } + ts.createClassifier = createClassifier; + /// We do not have a full parser support to know when we should parse a regex or not + /// If we consider every slash token to be a regex, we could be missing cases like "1/2/3", where + /// we have a series of divide operator. this list allows us to be more accurate by ruling out + /// locations where a regexp cannot exist. + var noRegexTable = ts.arrayToNumericMap([ + 79 /* SyntaxKind.Identifier */, + 10 /* SyntaxKind.StringLiteral */, + 8 /* SyntaxKind.NumericLiteral */, + 9 /* SyntaxKind.BigIntLiteral */, + 13 /* SyntaxKind.RegularExpressionLiteral */, + 108 /* SyntaxKind.ThisKeyword */, + 45 /* SyntaxKind.PlusPlusToken */, + 46 /* SyntaxKind.MinusMinusToken */, + 21 /* SyntaxKind.CloseParenToken */, + 23 /* SyntaxKind.CloseBracketToken */, + 19 /* SyntaxKind.CloseBraceToken */, + 110 /* SyntaxKind.TrueKeyword */, + 95 /* SyntaxKind.FalseKeyword */, + ], function (token) { return token; }, function () { return true; }); + function getNewEndOfLineState(scanner, token, lastOnTemplateStack) { + switch (token) { + case 10 /* SyntaxKind.StringLiteral */: { + // Check to see if we finished up on a multiline string literal. + if (!scanner.isUnterminated()) + return undefined; + var tokenText = scanner.getTokenText(); + var lastCharIndex = tokenText.length - 1; + var numBackslashes = 0; + while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92 /* CharacterCodes.backslash */) { + numBackslashes++; + } + // If we have an odd number of backslashes, then the multiline string is unclosed + if ((numBackslashes & 1) === 0) + return undefined; + return tokenText.charCodeAt(0) === 34 /* CharacterCodes.doubleQuote */ ? 3 /* EndOfLineState.InDoubleQuoteStringLiteral */ : 2 /* EndOfLineState.InSingleQuoteStringLiteral */; + } + case 3 /* SyntaxKind.MultiLineCommentTrivia */: + // Check to see if the multiline comment was unclosed. + return scanner.isUnterminated() ? 1 /* EndOfLineState.InMultiLineCommentTrivia */ : undefined; + default: + if (ts.isTemplateLiteralKind(token)) { + if (!scanner.isUnterminated()) { + return undefined; + } + switch (token) { + case 17 /* SyntaxKind.TemplateTail */: + return 5 /* EndOfLineState.InTemplateMiddleOrTail */; + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return 4 /* EndOfLineState.InTemplateHeadOrNoSubstitutionTemplate */; + default: + return ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + } + } + return lastOnTemplateStack === 15 /* SyntaxKind.TemplateHead */ ? 6 /* EndOfLineState.InTemplateSubstitutionPosition */ : undefined; + } + } + function pushEncodedClassification(start, end, offset, classification, result) { + if (classification === 8 /* ClassificationType.whiteSpace */) { + // Don't bother with whitespace classifications. They're not needed. + return; + } + if (start === 0 && offset > 0) { + // We're classifying the first token, and this was a case where we prepended text. + // We should consider the start of this token to be at the start of the original text. + start += offset; + } + var length = end - start; + if (length > 0) { + // All our tokens are in relation to the augmented text. Move them back to be + // relative to the original text. + result.push(start - offset, length, classification); + } + } + function convertClassificationsToResult(classifications, text) { + var entries = []; + var dense = classifications.spans; + var lastEnd = 0; + for (var i = 0; i < dense.length; i += 3) { + var start = dense[i]; + var length_1 = dense[i + 1]; + var type = dense[i + 2]; + // Make a whitespace entry between the last item and this one. + if (lastEnd >= 0) { + var whitespaceLength_1 = start - lastEnd; + if (whitespaceLength_1 > 0) { + entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace }); + } + } + entries.push({ length: length_1, classification: convertClassification(type) }); + lastEnd = start + length_1; + } + var whitespaceLength = text.length - lastEnd; + if (whitespaceLength > 0) { + entries.push({ length: whitespaceLength, classification: ts.TokenClass.Whitespace }); + } + return { entries: entries, finalLexState: classifications.endOfLineState }; + } + function convertClassification(type) { + switch (type) { + case 1 /* ClassificationType.comment */: return ts.TokenClass.Comment; + case 3 /* ClassificationType.keyword */: return ts.TokenClass.Keyword; + case 4 /* ClassificationType.numericLiteral */: return ts.TokenClass.NumberLiteral; + case 25 /* ClassificationType.bigintLiteral */: return ts.TokenClass.BigIntLiteral; + case 5 /* ClassificationType.operator */: return ts.TokenClass.Operator; + case 6 /* ClassificationType.stringLiteral */: return ts.TokenClass.StringLiteral; + case 8 /* ClassificationType.whiteSpace */: return ts.TokenClass.Whitespace; + case 10 /* ClassificationType.punctuation */: return ts.TokenClass.Punctuation; + case 2 /* ClassificationType.identifier */: + case 11 /* ClassificationType.className */: + case 12 /* ClassificationType.enumName */: + case 13 /* ClassificationType.interfaceName */: + case 14 /* ClassificationType.moduleName */: + case 15 /* ClassificationType.typeParameterName */: + case 16 /* ClassificationType.typeAliasName */: + case 9 /* ClassificationType.text */: + case 17 /* ClassificationType.parameterName */: + return ts.TokenClass.Identifier; + default: + return undefined; // TODO: GH#18217 Debug.assertNever(type); + } + } + /** Returns true if 'keyword2' can legally follow 'keyword1' in any language construct. */ + function canFollow(keyword1, keyword2) { + if (!ts.isAccessibilityModifier(keyword1)) { + // Assume any other keyword combination is legal. + // This can be refined in the future if there are more cases we want the classifier to be better at. + return true; + } + switch (keyword2) { + case 136 /* SyntaxKind.GetKeyword */: + case 149 /* SyntaxKind.SetKeyword */: + case 134 /* SyntaxKind.ConstructorKeyword */: + case 124 /* SyntaxKind.StaticKeyword */: + return true; // Allow things like "public get", "public constructor" and "public static". + default: + return false; // Any other keyword following "public" is actually an identifier, not a real keyword. + } + } + function getPrefixFromLexState(lexState) { + // If we're in a string literal, then prepend: "\ + // (and a newline). That way when we lex we'll think we're still in a string literal. + // + // If we're in a multiline comment, then prepend: /* + // (and a newline). That way when we lex we'll think we're still in a multiline comment. + switch (lexState) { + case 3 /* EndOfLineState.InDoubleQuoteStringLiteral */: + return { prefix: "\"\\\n" }; + case 2 /* EndOfLineState.InSingleQuoteStringLiteral */: + return { prefix: "'\\\n" }; + case 1 /* EndOfLineState.InMultiLineCommentTrivia */: + return { prefix: "/*\n" }; + case 4 /* EndOfLineState.InTemplateHeadOrNoSubstitutionTemplate */: + return { prefix: "`\n" }; + case 5 /* EndOfLineState.InTemplateMiddleOrTail */: + return { prefix: "}\n", pushTemplate: true }; + case 6 /* EndOfLineState.InTemplateSubstitutionPosition */: + return { prefix: "", pushTemplate: true }; + case 0 /* EndOfLineState.None */: + return { prefix: "" }; + default: + return ts.Debug.assertNever(lexState); + } + } + function isBinaryExpressionOperatorToken(token) { + switch (token) { + case 41 /* SyntaxKind.AsteriskToken */: + case 43 /* SyntaxKind.SlashToken */: + case 44 /* SyntaxKind.PercentToken */: + case 39 /* SyntaxKind.PlusToken */: + case 40 /* SyntaxKind.MinusToken */: + case 47 /* SyntaxKind.LessThanLessThanToken */: + case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: + case 29 /* SyntaxKind.LessThanToken */: + case 31 /* SyntaxKind.GreaterThanToken */: + case 32 /* SyntaxKind.LessThanEqualsToken */: + case 33 /* SyntaxKind.GreaterThanEqualsToken */: + case 102 /* SyntaxKind.InstanceOfKeyword */: + case 101 /* SyntaxKind.InKeyword */: + case 127 /* SyntaxKind.AsKeyword */: + case 34 /* SyntaxKind.EqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + case 50 /* SyntaxKind.AmpersandToken */: + case 52 /* SyntaxKind.CaretToken */: + case 51 /* SyntaxKind.BarToken */: + case 55 /* SyntaxKind.AmpersandAmpersandToken */: + case 56 /* SyntaxKind.BarBarToken */: + case 74 /* SyntaxKind.BarEqualsToken */: + case 73 /* SyntaxKind.AmpersandEqualsToken */: + case 78 /* SyntaxKind.CaretEqualsToken */: + case 70 /* SyntaxKind.LessThanLessThanEqualsToken */: + case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */: + case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */: + case 64 /* SyntaxKind.PlusEqualsToken */: + case 65 /* SyntaxKind.MinusEqualsToken */: + case 66 /* SyntaxKind.AsteriskEqualsToken */: + case 68 /* SyntaxKind.SlashEqualsToken */: + case 69 /* SyntaxKind.PercentEqualsToken */: + case 63 /* SyntaxKind.EqualsToken */: + case 27 /* SyntaxKind.CommaToken */: + case 60 /* SyntaxKind.QuestionQuestionToken */: + case 75 /* SyntaxKind.BarBarEqualsToken */: + case 76 /* SyntaxKind.AmpersandAmpersandEqualsToken */: + case 77 /* SyntaxKind.QuestionQuestionEqualsToken */: + return true; + default: + return false; + } + } + function isPrefixUnaryExpressionOperatorToken(token) { + switch (token) { + case 39 /* SyntaxKind.PlusToken */: + case 40 /* SyntaxKind.MinusToken */: + case 54 /* SyntaxKind.TildeToken */: + case 53 /* SyntaxKind.ExclamationToken */: + case 45 /* SyntaxKind.PlusPlusToken */: + case 46 /* SyntaxKind.MinusMinusToken */: + return true; + default: + return false; + } + } + function classFromKind(token) { + if (ts.isKeyword(token)) { + return 3 /* ClassificationType.keyword */; + } + else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { + return 5 /* ClassificationType.operator */; + } + else if (token >= 18 /* SyntaxKind.FirstPunctuation */ && token <= 78 /* SyntaxKind.LastPunctuation */) { + return 10 /* ClassificationType.punctuation */; + } + switch (token) { + case 8 /* SyntaxKind.NumericLiteral */: + return 4 /* ClassificationType.numericLiteral */; + case 9 /* SyntaxKind.BigIntLiteral */: + return 25 /* ClassificationType.bigintLiteral */; + case 10 /* SyntaxKind.StringLiteral */: + return 6 /* ClassificationType.stringLiteral */; + case 13 /* SyntaxKind.RegularExpressionLiteral */: + return 7 /* ClassificationType.regularExpressionLiteral */; + case 7 /* SyntaxKind.ConflictMarkerTrivia */: + case 3 /* SyntaxKind.MultiLineCommentTrivia */: + case 2 /* SyntaxKind.SingleLineCommentTrivia */: + return 1 /* ClassificationType.comment */; + case 5 /* SyntaxKind.WhitespaceTrivia */: + case 4 /* SyntaxKind.NewLineTrivia */: + return 8 /* ClassificationType.whiteSpace */; + case 79 /* SyntaxKind.Identifier */: + default: + if (ts.isTemplateLiteralKind(token)) { + return 6 /* ClassificationType.stringLiteral */; + } + return 2 /* ClassificationType.identifier */; + } + } + /* @internal */ + function getSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { + return convertClassificationsToSpans(getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span)); + } + ts.getSemanticClassifications = getSemanticClassifications; + function checkForClassificationCancellation(cancellationToken, kind) { + // We don't want to actually call back into our host on every node to find out if we've + // been canceled. That would be an enormous amount of chattyness, along with the all + // the overhead of marshalling the data to/from the host. So instead we pick a few + // reasonable node kinds to bother checking on. These node kinds represent high level + // constructs that we would expect to see commonly, but just at a far less frequent + // interval. + // + // For example, in checker.ts (around 750k) we only have around 600 of these constructs. + // That means we're calling back into the host around every 1.2k of the file we process. + // Lib.d.ts has similar numbers. + switch (kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + cancellationToken.throwIfCancellationRequested(); + } + } + /* @internal */ + function getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { + var spans = []; + sourceFile.forEachChild(function cb(node) { + // Only walk into nodes that intersect the requested span. + if (!node || !ts.textSpanIntersectsWith(span, node.pos, node.getFullWidth())) { + return; + } + checkForClassificationCancellation(cancellationToken, node.kind); + // Only bother calling into the typechecker if this is an identifier that + // could possibly resolve to a type name. This makes classification run + // in a third of the time it would normally take. + if (ts.isIdentifier(node) && !ts.nodeIsMissing(node) && classifiableNames.has(node.escapedText)) { + var symbol = typeChecker.getSymbolAtLocation(node); + var type = symbol && classifySymbol(symbol, ts.getMeaningFromLocation(node), typeChecker); + if (type) { + pushClassification(node.getStart(sourceFile), node.getEnd(), type); + } + } + node.forEachChild(cb); + }); + return { spans: spans, endOfLineState: 0 /* EndOfLineState.None */ }; + function pushClassification(start, end, type) { + var length = end - start; + ts.Debug.assert(length > 0, "Classification had non-positive length of ".concat(length)); + spans.push(start); + spans.push(length); + spans.push(type); + } + } + ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications; + function classifySymbol(symbol, meaningAtPosition, checker) { + var flags = symbol.getFlags(); + if ((flags & 2885600 /* SymbolFlags.Classifiable */) === 0 /* SymbolFlags.None */) { + return undefined; + } + else if (flags & 32 /* SymbolFlags.Class */) { + return 11 /* ClassificationType.className */; + } + else if (flags & 384 /* SymbolFlags.Enum */) { + return 12 /* ClassificationType.enumName */; + } + else if (flags & 524288 /* SymbolFlags.TypeAlias */) { + return 16 /* ClassificationType.typeAliasName */; + } + else if (flags & 1536 /* SymbolFlags.Module */) { + // Only classify a module as such if + // - It appears in a namespace context. + // - There exists a module declaration which actually impacts the value side. + return meaningAtPosition & 4 /* SemanticMeaning.Namespace */ || meaningAtPosition & 1 /* SemanticMeaning.Value */ && hasValueSideModule(symbol) ? 14 /* ClassificationType.moduleName */ : undefined; + } + else if (flags & 2097152 /* SymbolFlags.Alias */) { + return classifySymbol(checker.getAliasedSymbol(symbol), meaningAtPosition, checker); + } + else if (meaningAtPosition & 2 /* SemanticMeaning.Type */) { + return flags & 64 /* SymbolFlags.Interface */ ? 13 /* ClassificationType.interfaceName */ : flags & 262144 /* SymbolFlags.TypeParameter */ ? 15 /* ClassificationType.typeParameterName */ : undefined; + } + else { + return undefined; + } + } + /** Returns true if there exists a module that introduces entities on the value side. */ + function hasValueSideModule(symbol) { + return ts.some(symbol.declarations, function (declaration) { + return ts.isModuleDeclaration(declaration) && ts.getModuleInstanceState(declaration) === 1 /* ModuleInstanceState.Instantiated */; + }); + } + function getClassificationTypeName(type) { + switch (type) { + case 1 /* ClassificationType.comment */: return "comment" /* ClassificationTypeNames.comment */; + case 2 /* ClassificationType.identifier */: return "identifier" /* ClassificationTypeNames.identifier */; + case 3 /* ClassificationType.keyword */: return "keyword" /* ClassificationTypeNames.keyword */; + case 4 /* ClassificationType.numericLiteral */: return "number" /* ClassificationTypeNames.numericLiteral */; + case 25 /* ClassificationType.bigintLiteral */: return "bigint" /* ClassificationTypeNames.bigintLiteral */; + case 5 /* ClassificationType.operator */: return "operator" /* ClassificationTypeNames.operator */; + case 6 /* ClassificationType.stringLiteral */: return "string" /* ClassificationTypeNames.stringLiteral */; + case 8 /* ClassificationType.whiteSpace */: return "whitespace" /* ClassificationTypeNames.whiteSpace */; + case 9 /* ClassificationType.text */: return "text" /* ClassificationTypeNames.text */; + case 10 /* ClassificationType.punctuation */: return "punctuation" /* ClassificationTypeNames.punctuation */; + case 11 /* ClassificationType.className */: return "class name" /* ClassificationTypeNames.className */; + case 12 /* ClassificationType.enumName */: return "enum name" /* ClassificationTypeNames.enumName */; + case 13 /* ClassificationType.interfaceName */: return "interface name" /* ClassificationTypeNames.interfaceName */; + case 14 /* ClassificationType.moduleName */: return "module name" /* ClassificationTypeNames.moduleName */; + case 15 /* ClassificationType.typeParameterName */: return "type parameter name" /* ClassificationTypeNames.typeParameterName */; + case 16 /* ClassificationType.typeAliasName */: return "type alias name" /* ClassificationTypeNames.typeAliasName */; + case 17 /* ClassificationType.parameterName */: return "parameter name" /* ClassificationTypeNames.parameterName */; + case 18 /* ClassificationType.docCommentTagName */: return "doc comment tag name" /* ClassificationTypeNames.docCommentTagName */; + case 19 /* ClassificationType.jsxOpenTagName */: return "jsx open tag name" /* ClassificationTypeNames.jsxOpenTagName */; + case 20 /* ClassificationType.jsxCloseTagName */: return "jsx close tag name" /* ClassificationTypeNames.jsxCloseTagName */; + case 21 /* ClassificationType.jsxSelfClosingTagName */: return "jsx self closing tag name" /* ClassificationTypeNames.jsxSelfClosingTagName */; + case 22 /* ClassificationType.jsxAttribute */: return "jsx attribute" /* ClassificationTypeNames.jsxAttribute */; + case 23 /* ClassificationType.jsxText */: return "jsx text" /* ClassificationTypeNames.jsxText */; + case 24 /* ClassificationType.jsxAttributeStringLiteralValue */: return "jsx attribute string literal value" /* ClassificationTypeNames.jsxAttributeStringLiteralValue */; + default: return undefined; // TODO: GH#18217 throw Debug.assertNever(type); + } + } + function convertClassificationsToSpans(classifications) { + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0; i < dense.length; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: getClassificationTypeName(dense[i + 2]) + }); + } + return result; + } + /* @internal */ + function getSyntacticClassifications(cancellationToken, sourceFile, span) { + return convertClassificationsToSpans(getEncodedSyntacticClassifications(cancellationToken, sourceFile, span)); + } + ts.getSyntacticClassifications = getSyntacticClassifications; + /* @internal */ + function getEncodedSyntacticClassifications(cancellationToken, sourceFile, span) { + var spanStart = span.start; + var spanLength = span.length; + // Make a scanner we can get trivia from. + var triviaScanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); + var mergeConflictScanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); + var result = []; + processElement(sourceFile); + return { spans: result, endOfLineState: 0 /* EndOfLineState.None */ }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifyLeadingTriviaAndGetTokenStart(token) { + triviaScanner.setTextPos(token.pos); + while (true) { + var start = triviaScanner.getTextPos(); + // only bother scanning if we have something that could be trivia. + if (!ts.couldStartTrivia(sourceFile.text, start)) { + return start; + } + var kind = triviaScanner.scan(); + var end = triviaScanner.getTextPos(); + var width = end - start; + // The moment we get something that isn't trivia, then stop processing. + if (!ts.isTrivia(kind)) { + return start; + } + switch (kind) { + case 4 /* SyntaxKind.NewLineTrivia */: + case 5 /* SyntaxKind.WhitespaceTrivia */: + // Don't bother with newlines/whitespace. + continue; + case 2 /* SyntaxKind.SingleLineCommentTrivia */: + case 3 /* SyntaxKind.MultiLineCommentTrivia */: + // Only bother with the trivia if it at least intersects the span of interest. + classifyComment(token, kind, start, width); + // Classifying a comment might cause us to reuse the trivia scanner + // (because of jsdoc comments). So after we classify the comment make + // sure we set the scanner position back to where it needs to be. + triviaScanner.setTextPos(end); + continue; + case 7 /* SyntaxKind.ConflictMarkerTrivia */: + var text = sourceFile.text; + var ch = text.charCodeAt(start); + // for the <<<<<<< and >>>>>>> markers, we just add them in as comments + // in the classification stream. + if (ch === 60 /* CharacterCodes.lessThan */ || ch === 62 /* CharacterCodes.greaterThan */) { + pushClassification(start, width, 1 /* ClassificationType.comment */); + continue; + } + // for the ||||||| and ======== markers, add a comment for the first line, + // and then lex all subsequent lines up until the end of the conflict marker. + ts.Debug.assert(ch === 124 /* CharacterCodes.bar */ || ch === 61 /* CharacterCodes.equals */); + classifyDisabledMergeCode(text, start, end); + break; + case 6 /* SyntaxKind.ShebangTrivia */: + // TODO: Maybe we should classify these. + break; + default: + ts.Debug.assertNever(kind); + } + } + } + function classifyComment(token, kind, start, width) { + if (kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + // See if this is a doc comment. If so, we'll classify certain portions of it + // specially. + var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); + if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDoc) { + // TODO: This should be predicated on `token["kind"]` being compatible with `HasJSDoc["kind"]` + ts.setParent(docCommentAndDiagnostics.jsDoc, token); + classifyJSDocComment(docCommentAndDiagnostics.jsDoc); + return; + } + } + else if (kind === 2 /* SyntaxKind.SingleLineCommentTrivia */) { + if (tryClassifyTripleSlashComment(start, width)) { + return; + } + } + // Simple comment. Just add as is. + pushCommentRange(start, width); + } + function pushCommentRange(start, width) { + pushClassification(start, width, 1 /* ClassificationType.comment */); + } + function classifyJSDocComment(docComment) { + var _a, _b, _c, _d, _e, _f, _g; + var pos = docComment.pos; + if (docComment.tags) { + for (var _i = 0, _h = docComment.tags; _i < _h.length; _i++) { + var tag = _h[_i]; + // As we walk through each tag, classify the portion of text from the end of + // the last tag (or the start of the entire doc comment) as 'comment'. + if (tag.pos !== pos) { + pushCommentRange(pos, tag.pos - pos); + } + pushClassification(tag.pos, 1, 10 /* ClassificationType.punctuation */); // "@" + pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18 /* ClassificationType.docCommentTagName */); // e.g. "param" + pos = tag.tagName.end; + var commentStart = tag.tagName.end; + switch (tag.kind) { + case 340 /* SyntaxKind.JSDocParameterTag */: + var param = tag; + processJSDocParameterTag(param); + commentStart = param.isNameFirst && ((_a = param.typeExpression) === null || _a === void 0 ? void 0 : _a.end) || param.name.end; + break; + case 347 /* SyntaxKind.JSDocPropertyTag */: + var prop = tag; + commentStart = prop.isNameFirst && ((_b = prop.typeExpression) === null || _b === void 0 ? void 0 : _b.end) || prop.name.end; + break; + case 344 /* SyntaxKind.JSDocTemplateTag */: + processJSDocTemplateTag(tag); + pos = tag.end; + commentStart = tag.typeParameters.end; + break; + case 345 /* SyntaxKind.JSDocTypedefTag */: + var type = tag; + commentStart = ((_c = type.typeExpression) === null || _c === void 0 ? void 0 : _c.kind) === 309 /* SyntaxKind.JSDocTypeExpression */ && ((_d = type.fullName) === null || _d === void 0 ? void 0 : _d.end) || ((_e = type.typeExpression) === null || _e === void 0 ? void 0 : _e.end) || commentStart; + break; + case 338 /* SyntaxKind.JSDocCallbackTag */: + commentStart = tag.typeExpression.end; + break; + case 343 /* SyntaxKind.JSDocTypeTag */: + processElement(tag.typeExpression); + pos = tag.end; + commentStart = tag.typeExpression.end; + break; + case 342 /* SyntaxKind.JSDocThisTag */: + case 339 /* SyntaxKind.JSDocEnumTag */: + commentStart = tag.typeExpression.end; + break; + case 341 /* SyntaxKind.JSDocReturnTag */: + processElement(tag.typeExpression); + pos = tag.end; + commentStart = ((_f = tag.typeExpression) === null || _f === void 0 ? void 0 : _f.end) || commentStart; + break; + case 346 /* SyntaxKind.JSDocSeeTag */: + commentStart = ((_g = tag.name) === null || _g === void 0 ? void 0 : _g.end) || commentStart; + break; + case 328 /* SyntaxKind.JSDocAugmentsTag */: + case 329 /* SyntaxKind.JSDocImplementsTag */: + commentStart = tag.class.end; + break; + } + if (typeof tag.comment === "object") { + pushCommentRange(tag.comment.pos, tag.comment.end - tag.comment.pos); + } + else if (typeof tag.comment === "string") { + pushCommentRange(commentStart, tag.end - commentStart); + } + } + } + if (pos !== docComment.end) { + pushCommentRange(pos, docComment.end - pos); + } + return; + function processJSDocParameterTag(tag) { + if (tag.isNameFirst) { + pushCommentRange(pos, tag.name.pos - pos); + pushClassification(tag.name.pos, tag.name.end - tag.name.pos, 17 /* ClassificationType.parameterName */); + pos = tag.name.end; + } + if (tag.typeExpression) { + pushCommentRange(pos, tag.typeExpression.pos - pos); + processElement(tag.typeExpression); + pos = tag.typeExpression.end; + } + if (!tag.isNameFirst) { + pushCommentRange(pos, tag.name.pos - pos); + pushClassification(tag.name.pos, tag.name.end - tag.name.pos, 17 /* ClassificationType.parameterName */); + pos = tag.name.end; + } + } + } + function tryClassifyTripleSlashComment(start, width) { + var tripleSlashXMLCommentRegEx = /^(\/\/\/\s*)(<)(?:(\S+)((?:[^/]|\/[^>])*)(\/>)?)?/im; + // Require a leading whitespace character (the parser already does) to prevent terrible backtracking performance + var attributeRegex = /(\s)(\S+)(\s*)(=)(\s*)('[^']+'|"[^"]+")/img; + var text = sourceFile.text.substr(start, width); + var match = tripleSlashXMLCommentRegEx.exec(text); + if (!match) { + return false; + } + // Limiting classification to exactly the elements and attributes + // defined in `ts.commentPragmas` would be excessive, but we can avoid + // some obvious false positives (e.g. in XML-like doc comments) by + // checking the element name. + // eslint-disable-next-line no-in-operator + if (!match[3] || !(match[3] in ts.commentPragmas)) { + return false; + } + var pos = start; + pushCommentRange(pos, match[1].length); // /// + pos += match[1].length; + pushClassification(pos, match[2].length, 10 /* ClassificationType.punctuation */); // < + pos += match[2].length; + pushClassification(pos, match[3].length, 21 /* ClassificationType.jsxSelfClosingTagName */); // element name + pos += match[3].length; + var attrText = match[4]; + var attrPos = pos; + while (true) { + var attrMatch = attributeRegex.exec(attrText); + if (!attrMatch) { + break; + } + var newAttrPos = pos + attrMatch.index + attrMatch[1].length; // whitespace + if (newAttrPos > attrPos) { + pushCommentRange(attrPos, newAttrPos - attrPos); + attrPos = newAttrPos; + } + pushClassification(attrPos, attrMatch[2].length, 22 /* ClassificationType.jsxAttribute */); // attribute name + attrPos += attrMatch[2].length; + if (attrMatch[3].length) { + pushCommentRange(attrPos, attrMatch[3].length); // whitespace + attrPos += attrMatch[3].length; + } + pushClassification(attrPos, attrMatch[4].length, 5 /* ClassificationType.operator */); // = + attrPos += attrMatch[4].length; + if (attrMatch[5].length) { + pushCommentRange(attrPos, attrMatch[5].length); // whitespace + attrPos += attrMatch[5].length; + } + pushClassification(attrPos, attrMatch[6].length, 24 /* ClassificationType.jsxAttributeStringLiteralValue */); // attribute value + attrPos += attrMatch[6].length; + } + pos += match[4].length; + if (pos > attrPos) { + pushCommentRange(attrPos, pos - attrPos); + } + if (match[5]) { + pushClassification(pos, match[5].length, 10 /* ClassificationType.punctuation */); // /> + pos += match[5].length; + } + var end = start + width; + if (pos < end) { + pushCommentRange(pos, end - pos); + } + return true; + } + function processJSDocTemplateTag(tag) { + for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { + var child = _a[_i]; + processElement(child); + } + } + function classifyDisabledMergeCode(text, start, end) { + // Classify the line that the ||||||| or ======= marker is on as a comment. + // Then just lex all further tokens and add them to the result. + var i; + for (i = start; i < end; i++) { + if (ts.isLineBreak(text.charCodeAt(i))) { + break; + } + } + pushClassification(start, i - start, 1 /* ClassificationType.comment */); + mergeConflictScanner.setTextPos(i); + while (mergeConflictScanner.getTextPos() < end) { + classifyDisabledCodeToken(); + } + } + function classifyDisabledCodeToken() { + var start = mergeConflictScanner.getTextPos(); + var tokenKind = mergeConflictScanner.scan(); + var end = mergeConflictScanner.getTextPos(); + var type = classifyTokenType(tokenKind); + if (type) { + pushClassification(start, end - start, type); + } + } + /** + * Returns true if node should be treated as classified and no further processing is required. + * False will mean that node is not classified and traverse routine should recurse into node contents. + */ + function tryClassifyNode(node) { + if (ts.isJSDoc(node)) { + return true; + } + if (ts.nodeIsMissing(node)) { + return true; + } + var classifiedElementName = tryClassifyJsxElementName(node); + if (!ts.isToken(node) && node.kind !== 11 /* SyntaxKind.JsxText */ && classifiedElementName === undefined) { + return false; + } + var tokenStart = node.kind === 11 /* SyntaxKind.JsxText */ ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); + var tokenWidth = node.end - tokenStart; + ts.Debug.assert(tokenWidth >= 0); + if (tokenWidth > 0) { + var type = classifiedElementName || classifyTokenType(node.kind, node); + if (type) { + pushClassification(tokenStart, tokenWidth, type); + } + } + return true; + } + function tryClassifyJsxElementName(token) { + switch (token.parent && token.parent.kind) { + case 280 /* SyntaxKind.JsxOpeningElement */: + if (token.parent.tagName === token) { + return 19 /* ClassificationType.jsxOpenTagName */; + } + break; + case 281 /* SyntaxKind.JsxClosingElement */: + if (token.parent.tagName === token) { + return 20 /* ClassificationType.jsxCloseTagName */; + } + break; + case 279 /* SyntaxKind.JsxSelfClosingElement */: + if (token.parent.tagName === token) { + return 21 /* ClassificationType.jsxSelfClosingTagName */; + } + break; + case 285 /* SyntaxKind.JsxAttribute */: + if (token.parent.name === token) { + return 22 /* ClassificationType.jsxAttribute */; + } + break; + } + return undefined; + } + // for accurate classification, the actual token should be passed in. however, for + // cases like 'disabled merge code' classification, we just get the token kind and + // classify based on that instead. + function classifyTokenType(tokenKind, token) { + if (ts.isKeyword(tokenKind)) { + return 3 /* ClassificationType.keyword */; + } + // Special case `<` and `>`: If they appear in a generic context they are punctuation, + // not operators. + if (tokenKind === 29 /* SyntaxKind.LessThanToken */ || tokenKind === 31 /* SyntaxKind.GreaterThanToken */) { + // If the node owning the token has a type argument list or type parameter list, then + // we can effectively assume that a '<' and '>' belong to those lists. + if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { + return 10 /* ClassificationType.punctuation */; + } + } + if (ts.isPunctuation(tokenKind)) { + if (token) { + var parent = token.parent; + if (tokenKind === 63 /* SyntaxKind.EqualsToken */) { + // the '=' in a variable declaration is special cased here. + if (parent.kind === 254 /* SyntaxKind.VariableDeclaration */ || + parent.kind === 167 /* SyntaxKind.PropertyDeclaration */ || + parent.kind === 164 /* SyntaxKind.Parameter */ || + parent.kind === 285 /* SyntaxKind.JsxAttribute */) { + return 5 /* ClassificationType.operator */; + } + } + if (parent.kind === 221 /* SyntaxKind.BinaryExpression */ || + parent.kind === 219 /* SyntaxKind.PrefixUnaryExpression */ || + parent.kind === 220 /* SyntaxKind.PostfixUnaryExpression */ || + parent.kind === 222 /* SyntaxKind.ConditionalExpression */) { + return 5 /* ClassificationType.operator */; + } + } + return 10 /* ClassificationType.punctuation */; + } + else if (tokenKind === 8 /* SyntaxKind.NumericLiteral */) { + return 4 /* ClassificationType.numericLiteral */; + } + else if (tokenKind === 9 /* SyntaxKind.BigIntLiteral */) { + return 25 /* ClassificationType.bigintLiteral */; + } + else if (tokenKind === 10 /* SyntaxKind.StringLiteral */) { + return token && token.parent.kind === 285 /* SyntaxKind.JsxAttribute */ ? 24 /* ClassificationType.jsxAttributeStringLiteralValue */ : 6 /* ClassificationType.stringLiteral */; + } + else if (tokenKind === 13 /* SyntaxKind.RegularExpressionLiteral */) { + // TODO: we should get another classification type for these literals. + return 6 /* ClassificationType.stringLiteral */; + } + else if (ts.isTemplateLiteralKind(tokenKind)) { + // TODO (drosen): we should *also* get another classification type for these literals. + return 6 /* ClassificationType.stringLiteral */; + } + else if (tokenKind === 11 /* SyntaxKind.JsxText */) { + return 23 /* ClassificationType.jsxText */; + } + else if (tokenKind === 79 /* SyntaxKind.Identifier */) { + if (token) { + switch (token.parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + if (token.parent.name === token) { + return 11 /* ClassificationType.className */; + } + return; + case 163 /* SyntaxKind.TypeParameter */: + if (token.parent.name === token) { + return 15 /* ClassificationType.typeParameterName */; + } + return; + case 258 /* SyntaxKind.InterfaceDeclaration */: + if (token.parent.name === token) { + return 13 /* ClassificationType.interfaceName */; + } + return; + case 260 /* SyntaxKind.EnumDeclaration */: + if (token.parent.name === token) { + return 12 /* ClassificationType.enumName */; + } + return; + case 261 /* SyntaxKind.ModuleDeclaration */: + if (token.parent.name === token) { + return 14 /* ClassificationType.moduleName */; + } + return; + case 164 /* SyntaxKind.Parameter */: + if (token.parent.name === token) { + return ts.isThisIdentifier(token) ? 3 /* ClassificationType.keyword */ : 17 /* ClassificationType.parameterName */; + } + return; + } + if (ts.isConstTypeReference(token.parent)) { + return 3 /* ClassificationType.keyword */; + } + } + return 2 /* ClassificationType.identifier */; + } + } + function processElement(element) { + if (!element) { + return; + } + // Ignore nodes that don't intersect the original span to classify. + if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { + checkForClassificationCancellation(cancellationToken, element.kind); + for (var _i = 0, _a = element.getChildren(sourceFile); _i < _a.length; _i++) { + var child = _a[_i]; + if (!tryClassifyNode(child)) { + // Recurse into our child nodes. + processElement(child); + } + } + } + } + } + ts.getEncodedSyntacticClassifications = getEncodedSyntacticClassifications; +})(ts || (ts = {})); +/** @internal */ +var ts; +(function (ts) { + var classifier; + (function (classifier) { + var v2020; + (function (v2020) { + var TokenEncodingConsts; + (function (TokenEncodingConsts) { + TokenEncodingConsts[TokenEncodingConsts["typeOffset"] = 8] = "typeOffset"; + TokenEncodingConsts[TokenEncodingConsts["modifierMask"] = 255] = "modifierMask"; + })(TokenEncodingConsts = v2020.TokenEncodingConsts || (v2020.TokenEncodingConsts = {})); + var TokenType; + (function (TokenType) { + TokenType[TokenType["class"] = 0] = "class"; + TokenType[TokenType["enum"] = 1] = "enum"; + TokenType[TokenType["interface"] = 2] = "interface"; + TokenType[TokenType["namespace"] = 3] = "namespace"; + TokenType[TokenType["typeParameter"] = 4] = "typeParameter"; + TokenType[TokenType["type"] = 5] = "type"; + TokenType[TokenType["parameter"] = 6] = "parameter"; + TokenType[TokenType["variable"] = 7] = "variable"; + TokenType[TokenType["enumMember"] = 8] = "enumMember"; + TokenType[TokenType["property"] = 9] = "property"; + TokenType[TokenType["function"] = 10] = "function"; + TokenType[TokenType["member"] = 11] = "member"; + })(TokenType = v2020.TokenType || (v2020.TokenType = {})); + var TokenModifier; + (function (TokenModifier) { + TokenModifier[TokenModifier["declaration"] = 0] = "declaration"; + TokenModifier[TokenModifier["static"] = 1] = "static"; + TokenModifier[TokenModifier["async"] = 2] = "async"; + TokenModifier[TokenModifier["readonly"] = 3] = "readonly"; + TokenModifier[TokenModifier["defaultLibrary"] = 4] = "defaultLibrary"; + TokenModifier[TokenModifier["local"] = 5] = "local"; + })(TokenModifier = v2020.TokenModifier || (v2020.TokenModifier = {})); + /** This is mainly used internally for testing */ + function getSemanticClassifications(program, cancellationToken, sourceFile, span) { + var classifications = getEncodedSemanticClassifications(program, cancellationToken, sourceFile, span); + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0; i < dense.length; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: dense[i + 2] + }); + } + return result; + } + v2020.getSemanticClassifications = getSemanticClassifications; + function getEncodedSemanticClassifications(program, cancellationToken, sourceFile, span) { + return { + spans: getSemanticTokens(program, sourceFile, span, cancellationToken), + endOfLineState: 0 /* EndOfLineState.None */ + }; + } + v2020.getEncodedSemanticClassifications = getEncodedSemanticClassifications; + function getSemanticTokens(program, sourceFile, span, cancellationToken) { + var resultTokens = []; + var collector = function (node, typeIdx, modifierSet) { + resultTokens.push(node.getStart(sourceFile), node.getWidth(sourceFile), ((typeIdx + 1) << 8 /* TokenEncodingConsts.typeOffset */) + modifierSet); + }; + if (program && sourceFile) { + collectTokens(program, sourceFile, span, collector, cancellationToken); + } + return resultTokens; + } + function collectTokens(program, sourceFile, span, collector, cancellationToken) { + var typeChecker = program.getTypeChecker(); + var inJSXElement = false; + function visit(node) { + switch (node.kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + cancellationToken.throwIfCancellationRequested(); + } + if (!node || !ts.textSpanIntersectsWith(span, node.pos, node.getFullWidth()) || node.getFullWidth() === 0) { + return; + } + var prevInJSXElement = inJSXElement; + if (ts.isJsxElement(node) || ts.isJsxSelfClosingElement(node)) { + inJSXElement = true; + } + if (ts.isJsxExpression(node)) { + inJSXElement = false; + } + if (ts.isIdentifier(node) && !inJSXElement && !inImportClause(node) && !ts.isInfinityOrNaNString(node.escapedText)) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + var typeIdx = classifySymbol(symbol, ts.getMeaningFromLocation(node)); + if (typeIdx !== undefined) { + var modifierSet = 0; + if (node.parent) { + var parentIsDeclaration = (ts.isBindingElement(node.parent) || tokenFromDeclarationMapping.get(node.parent.kind) === typeIdx); + if (parentIsDeclaration && node.parent.name === node) { + modifierSet = 1 << 0 /* TokenModifier.declaration */; + } + } + // property declaration in constructor + if (typeIdx === 6 /* TokenType.parameter */ && isRightSideOfQualifiedNameOrPropertyAccess(node)) { + typeIdx = 9 /* TokenType.property */; + } + typeIdx = reclassifyByType(typeChecker, node, typeIdx); + var decl = symbol.valueDeclaration; + if (decl) { + var modifiers = ts.getCombinedModifierFlags(decl); + var nodeFlags = ts.getCombinedNodeFlags(decl); + if (modifiers & 32 /* ModifierFlags.Static */) { + modifierSet |= 1 << 1 /* TokenModifier.static */; + } + if (modifiers & 256 /* ModifierFlags.Async */) { + modifierSet |= 1 << 2 /* TokenModifier.async */; + } + if (typeIdx !== 0 /* TokenType.class */ && typeIdx !== 2 /* TokenType.interface */) { + if ((modifiers & 64 /* ModifierFlags.Readonly */) || (nodeFlags & 2 /* NodeFlags.Const */) || (symbol.getFlags() & 8 /* SymbolFlags.EnumMember */)) { + modifierSet |= 1 << 3 /* TokenModifier.readonly */; + } + } + if ((typeIdx === 7 /* TokenType.variable */ || typeIdx === 10 /* TokenType.function */) && isLocalDeclaration(decl, sourceFile)) { + modifierSet |= 1 << 5 /* TokenModifier.local */; + } + if (program.isSourceFileDefaultLibrary(decl.getSourceFile())) { + modifierSet |= 1 << 4 /* TokenModifier.defaultLibrary */; + } + } + else if (symbol.declarations && symbol.declarations.some(function (d) { return program.isSourceFileDefaultLibrary(d.getSourceFile()); })) { + modifierSet |= 1 << 4 /* TokenModifier.defaultLibrary */; + } + collector(node, typeIdx, modifierSet); + } + } + } + ts.forEachChild(node, visit); + inJSXElement = prevInJSXElement; + } + visit(sourceFile); + } + function classifySymbol(symbol, meaning) { + var flags = symbol.getFlags(); + if (flags & 32 /* SymbolFlags.Class */) { + return 0 /* TokenType.class */; + } + else if (flags & 384 /* SymbolFlags.Enum */) { + return 1 /* TokenType.enum */; + } + else if (flags & 524288 /* SymbolFlags.TypeAlias */) { + return 5 /* TokenType.type */; + } + else if (flags & 64 /* SymbolFlags.Interface */) { + if (meaning & 2 /* SemanticMeaning.Type */) { + return 2 /* TokenType.interface */; + } + } + else if (flags & 262144 /* SymbolFlags.TypeParameter */) { + return 4 /* TokenType.typeParameter */; + } + var decl = symbol.valueDeclaration || symbol.declarations && symbol.declarations[0]; + if (decl && ts.isBindingElement(decl)) { + decl = getDeclarationForBindingElement(decl); + } + return decl && tokenFromDeclarationMapping.get(decl.kind); + } + function reclassifyByType(typeChecker, node, typeIdx) { + // type based classifications + if (typeIdx === 7 /* TokenType.variable */ || typeIdx === 9 /* TokenType.property */ || typeIdx === 6 /* TokenType.parameter */) { + var type_1 = typeChecker.getTypeAtLocation(node); + if (type_1) { + var test = function (condition) { + return condition(type_1) || type_1.isUnion() && type_1.types.some(condition); + }; + if (typeIdx !== 6 /* TokenType.parameter */ && test(function (t) { return t.getConstructSignatures().length > 0; })) { + return 0 /* TokenType.class */; + } + if (test(function (t) { return t.getCallSignatures().length > 0; }) && !test(function (t) { return t.getProperties().length > 0; }) || isExpressionInCallExpression(node)) { + return typeIdx === 9 /* TokenType.property */ ? 11 /* TokenType.member */ : 10 /* TokenType.function */; + } + } + } + return typeIdx; + } + function isLocalDeclaration(decl, sourceFile) { + if (ts.isBindingElement(decl)) { + decl = getDeclarationForBindingElement(decl); + } + if (ts.isVariableDeclaration(decl)) { + return (!ts.isSourceFile(decl.parent.parent.parent) || ts.isCatchClause(decl.parent)) && decl.getSourceFile() === sourceFile; + } + else if (ts.isFunctionDeclaration(decl)) { + return !ts.isSourceFile(decl.parent) && decl.getSourceFile() === sourceFile; + } + return false; + } + function getDeclarationForBindingElement(element) { + while (true) { + if (ts.isBindingElement(element.parent.parent)) { + element = element.parent.parent; + } + else { + return element.parent.parent; + } + } + } + function inImportClause(node) { + var parent = node.parent; + return parent && (ts.isImportClause(parent) || ts.isImportSpecifier(parent) || ts.isNamespaceImport(parent)); + } + function isExpressionInCallExpression(node) { + while (isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + return ts.isCallExpression(node.parent) && node.parent.expression === node; + } + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (ts.isQualifiedName(node.parent) && node.parent.right === node) || (ts.isPropertyAccessExpression(node.parent) && node.parent.name === node); + } + var tokenFromDeclarationMapping = new ts.Map([ + [254 /* SyntaxKind.VariableDeclaration */, 7 /* TokenType.variable */], + [164 /* SyntaxKind.Parameter */, 6 /* TokenType.parameter */], + [167 /* SyntaxKind.PropertyDeclaration */, 9 /* TokenType.property */], + [261 /* SyntaxKind.ModuleDeclaration */, 3 /* TokenType.namespace */], + [260 /* SyntaxKind.EnumDeclaration */, 1 /* TokenType.enum */], + [299 /* SyntaxKind.EnumMember */, 8 /* TokenType.enumMember */], + [257 /* SyntaxKind.ClassDeclaration */, 0 /* TokenType.class */], + [169 /* SyntaxKind.MethodDeclaration */, 11 /* TokenType.member */], + [256 /* SyntaxKind.FunctionDeclaration */, 10 /* TokenType.function */], + [213 /* SyntaxKind.FunctionExpression */, 10 /* TokenType.function */], + [168 /* SyntaxKind.MethodSignature */, 11 /* TokenType.member */], + [172 /* SyntaxKind.GetAccessor */, 9 /* TokenType.property */], + [173 /* SyntaxKind.SetAccessor */, 9 /* TokenType.property */], + [166 /* SyntaxKind.PropertySignature */, 9 /* TokenType.property */], + [258 /* SyntaxKind.InterfaceDeclaration */, 2 /* TokenType.interface */], + [259 /* SyntaxKind.TypeAliasDeclaration */, 5 /* TokenType.type */], + [163 /* SyntaxKind.TypeParameter */, 4 /* TokenType.typeParameter */], + [296 /* SyntaxKind.PropertyAssignment */, 9 /* TokenType.property */], + [297 /* SyntaxKind.ShorthandPropertyAssignment */, 9 /* TokenType.property */] + ]); + })(v2020 = classifier.v2020 || (classifier.v2020 = {})); + })(classifier = ts.classifier || (ts.classifier = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var Completions; + (function (Completions) { + var StringCompletions; + (function (StringCompletions) { + function getStringLiteralCompletions(sourceFile, position, contextToken, options, host, program, log, preferences) { + if (ts.isInReferenceComment(sourceFile, position)) { + var entries = getTripleSlashReferenceCompletion(sourceFile, position, options, host); + return entries && convertPathCompletions(entries); + } + if (ts.isInString(sourceFile, position, contextToken)) { + if (!contextToken || !ts.isStringLiteralLike(contextToken)) + return undefined; + var entries = getStringLiteralCompletionEntries(sourceFile, contextToken, position, program.getTypeChecker(), options, host, preferences); + return convertStringLiteralCompletions(entries, contextToken, sourceFile, host, program, log, options, preferences); + } + } + StringCompletions.getStringLiteralCompletions = getStringLiteralCompletions; + function convertStringLiteralCompletions(completion, contextToken, sourceFile, host, program, log, options, preferences) { + if (completion === undefined) { + return undefined; + } + var optionalReplacementSpan = ts.createTextSpanFromStringLiteralLikeContent(contextToken); + switch (completion.kind) { + case 0 /* StringLiteralCompletionKind.Paths */: + return convertPathCompletions(completion.paths); + case 1 /* StringLiteralCompletionKind.Properties */: { + var entries = ts.createSortedArray(); + Completions.getCompletionEntriesFromSymbols(completion.symbols, entries, contextToken, contextToken, sourceFile, sourceFile, host, program, 99 /* ScriptTarget.ESNext */, log, 4 /* CompletionKind.String */, preferences, options, + /*formatContext*/ undefined); // Target will not be used, so arbitrary + return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: completion.hasIndexSignature, optionalReplacementSpan: optionalReplacementSpan, entries: entries }; + } + case 2 /* StringLiteralCompletionKind.Types */: { + var entries = completion.types.map(function (type) { return ({ + name: type.value, + kindModifiers: "" /* ScriptElementKindModifier.none */, + kind: "string" /* ScriptElementKind.string */, + sortText: Completions.SortText.LocationPriority, + replacementSpan: ts.getReplacementSpanForContextToken(contextToken) + }); }); + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: completion.isNewIdentifier, optionalReplacementSpan: optionalReplacementSpan, entries: entries }; + } + default: + return ts.Debug.assertNever(completion); + } + } + function getStringLiteralCompletionDetails(name, sourceFile, position, contextToken, checker, options, host, cancellationToken, preferences) { + if (!contextToken || !ts.isStringLiteralLike(contextToken)) + return undefined; + var completions = getStringLiteralCompletionEntries(sourceFile, contextToken, position, checker, options, host, preferences); + return completions && stringLiteralCompletionDetails(name, contextToken, completions, sourceFile, checker, cancellationToken); + } + StringCompletions.getStringLiteralCompletionDetails = getStringLiteralCompletionDetails; + function stringLiteralCompletionDetails(name, location, completion, sourceFile, checker, cancellationToken) { + switch (completion.kind) { + case 0 /* StringLiteralCompletionKind.Paths */: { + var match = ts.find(completion.paths, function (p) { return p.name === name; }); + return match && Completions.createCompletionDetails(name, kindModifiersFromExtension(match.extension), match.kind, [ts.textPart(name)]); + } + case 1 /* StringLiteralCompletionKind.Properties */: { + var match = ts.find(completion.symbols, function (s) { return s.name === name; }); + return match && Completions.createCompletionDetailsForSymbol(match, checker, sourceFile, location, cancellationToken); + } + case 2 /* StringLiteralCompletionKind.Types */: + return ts.find(completion.types, function (t) { return t.value === name; }) ? Completions.createCompletionDetails(name, "" /* ScriptElementKindModifier.none */, "type" /* ScriptElementKind.typeElement */, [ts.textPart(name)]) : undefined; + default: + return ts.Debug.assertNever(completion); + } + } + function convertPathCompletions(pathCompletions) { + var isGlobalCompletion = false; // We don't want the editor to offer any other completions, such as snippets, inside a comment. + var isNewIdentifierLocation = true; // The user may type in a path that doesn't yet exist, creating a "new identifier" with respect to the collection of identifiers the server is aware of. + var entries = pathCompletions.map(function (_a) { + var name = _a.name, kind = _a.kind, span = _a.span, extension = _a.extension; + return ({ name: name, kind: kind, kindModifiers: kindModifiersFromExtension(extension), sortText: Completions.SortText.LocationPriority, replacementSpan: span }); + }); + return { isGlobalCompletion: isGlobalCompletion, isMemberCompletion: false, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; + } + function kindModifiersFromExtension(extension) { + switch (extension) { + case ".d.ts" /* Extension.Dts */: return ".d.ts" /* ScriptElementKindModifier.dtsModifier */; + case ".js" /* Extension.Js */: return ".js" /* ScriptElementKindModifier.jsModifier */; + case ".json" /* Extension.Json */: return ".json" /* ScriptElementKindModifier.jsonModifier */; + case ".jsx" /* Extension.Jsx */: return ".jsx" /* ScriptElementKindModifier.jsxModifier */; + case ".ts" /* Extension.Ts */: return ".ts" /* ScriptElementKindModifier.tsModifier */; + case ".tsx" /* Extension.Tsx */: return ".tsx" /* ScriptElementKindModifier.tsxModifier */; + case ".d.mts" /* Extension.Dmts */: return ".d.mts" /* ScriptElementKindModifier.dmtsModifier */; + case ".mjs" /* Extension.Mjs */: return ".mjs" /* ScriptElementKindModifier.mjsModifier */; + case ".mts" /* Extension.Mts */: return ".mts" /* ScriptElementKindModifier.mtsModifier */; + case ".d.cts" /* Extension.Dcts */: return ".d.cts" /* ScriptElementKindModifier.dctsModifier */; + case ".cjs" /* Extension.Cjs */: return ".cjs" /* ScriptElementKindModifier.cjsModifier */; + case ".cts" /* Extension.Cts */: return ".cts" /* ScriptElementKindModifier.ctsModifier */; + case ".tsbuildinfo" /* Extension.TsBuildInfo */: return ts.Debug.fail("Extension ".concat(".tsbuildinfo" /* Extension.TsBuildInfo */, " is unsupported.")); + case undefined: return "" /* ScriptElementKindModifier.none */; + default: + return ts.Debug.assertNever(extension); + } + } + var StringLiteralCompletionKind; + (function (StringLiteralCompletionKind) { + StringLiteralCompletionKind[StringLiteralCompletionKind["Paths"] = 0] = "Paths"; + StringLiteralCompletionKind[StringLiteralCompletionKind["Properties"] = 1] = "Properties"; + StringLiteralCompletionKind[StringLiteralCompletionKind["Types"] = 2] = "Types"; + })(StringLiteralCompletionKind || (StringLiteralCompletionKind = {})); + function getStringLiteralCompletionEntries(sourceFile, node, position, typeChecker, compilerOptions, host, preferences) { + var parent = walkUpParentheses(node.parent); + switch (parent.kind) { + case 196 /* SyntaxKind.LiteralType */: { + var grandParent = walkUpParentheses(parent.parent); + switch (grandParent.kind) { + case 178 /* SyntaxKind.TypeReference */: { + var typeReference_1 = grandParent; + var typeArgument = ts.findAncestor(parent, function (n) { return n.parent === typeReference_1; }); + if (typeArgument) { + return { kind: 2 /* StringLiteralCompletionKind.Types */, types: getStringLiteralTypes(typeChecker.getTypeArgumentConstraint(typeArgument)), isNewIdentifier: false }; + } + return undefined; + } + case 194 /* SyntaxKind.IndexedAccessType */: + // Get all apparent property names + // i.e. interface Foo { + // foo: string; + // bar: string; + // } + // let x: Foo["/*completion position*/"] + var _a = grandParent, indexType = _a.indexType, objectType = _a.objectType; + if (!ts.rangeContainsPosition(indexType, position)) { + return undefined; + } + return stringLiteralCompletionsFromProperties(typeChecker.getTypeFromTypeNode(objectType)); + case 200 /* SyntaxKind.ImportType */: + return { kind: 0 /* StringLiteralCompletionKind.Paths */, paths: getStringLiteralCompletionsFromModuleNames(sourceFile, node, compilerOptions, host, typeChecker, preferences) }; + case 187 /* SyntaxKind.UnionType */: { + if (!ts.isTypeReferenceNode(grandParent.parent)) { + return undefined; + } + var alreadyUsedTypes_1 = getAlreadyUsedTypesInStringLiteralUnion(grandParent, parent); + var types = getStringLiteralTypes(typeChecker.getTypeArgumentConstraint(grandParent)).filter(function (t) { return !ts.contains(alreadyUsedTypes_1, t.value); }); + return { kind: 2 /* StringLiteralCompletionKind.Types */, types: types, isNewIdentifier: false }; + } + default: + return undefined; + } + } + case 296 /* SyntaxKind.PropertyAssignment */: + if (ts.isObjectLiteralExpression(parent.parent) && parent.name === node) { + // Get quoted name of properties of the object literal expression + // i.e. interface ConfigFiles { + // 'jspm:dev': string + // } + // let files: ConfigFiles = { + // '/*completion position*/' + // } + // + // function foo(c: ConfigFiles) {} + // foo({ + // '/*completion position*/' + // }); + return stringLiteralCompletionsForObjectLiteral(typeChecker, parent.parent); + } + return fromContextualType(); + case 207 /* SyntaxKind.ElementAccessExpression */: { + var _b = parent, expression = _b.expression, argumentExpression = _b.argumentExpression; + if (node === ts.skipParentheses(argumentExpression)) { + // Get all names of properties on the expression + // i.e. interface A { + // 'prop1': string + // } + // let a: A; + // a['/*completion position*/'] + return stringLiteralCompletionsFromProperties(typeChecker.getTypeAtLocation(expression)); + } + return undefined; + } + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + case 285 /* SyntaxKind.JsxAttribute */: + if (!isRequireCallArgument(node) && !ts.isImportCall(parent)) { + var argumentInfo = ts.SignatureHelp.getArgumentInfoForCompletions(parent.kind === 285 /* SyntaxKind.JsxAttribute */ ? parent.parent : node, position, sourceFile); + // Get string literal completions from specialized signatures of the target + // i.e. declare function f(a: 'A'); + // f("/*completion position*/") + return argumentInfo ? getStringLiteralCompletionsFromSignature(argumentInfo.invocation, node, argumentInfo, typeChecker) : fromContextualType(); + } + // falls through (is `require("")` or `require(""` or `import("")`) + case 266 /* SyntaxKind.ImportDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + case 277 /* SyntaxKind.ExternalModuleReference */: + // Get all known external module names or complete a path to a module + // i.e. import * as ns from "/*completion position*/"; + // var y = import("/*completion position*/"); + // import x = require("/*completion position*/"); + // var y = require("/*completion position*/"); + // export * from "/*completion position*/"; + return { kind: 0 /* StringLiteralCompletionKind.Paths */, paths: getStringLiteralCompletionsFromModuleNames(sourceFile, node, compilerOptions, host, typeChecker, preferences) }; + default: + return fromContextualType(); + } + function fromContextualType() { + // Get completion for string literal from string literal type + // i.e. var x: "hi" | "hello" = "/*completion position*/" + return { kind: 2 /* StringLiteralCompletionKind.Types */, types: getStringLiteralTypes(ts.getContextualTypeFromParent(node, typeChecker)), isNewIdentifier: false }; + } + } + function walkUpParentheses(node) { + switch (node.kind) { + case 191 /* SyntaxKind.ParenthesizedType */: + return ts.walkUpParenthesizedTypes(node); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return ts.walkUpParenthesizedExpressions(node); + default: + return node; + } + } + function getAlreadyUsedTypesInStringLiteralUnion(union, current) { + return ts.mapDefined(union.types, function (type) { + return type !== current && ts.isLiteralTypeNode(type) && ts.isStringLiteral(type.literal) ? type.literal.text : undefined; + }); + } + function getStringLiteralCompletionsFromSignature(call, arg, argumentInfo, checker) { + var isNewIdentifier = false; + var uniques = new ts.Map(); + var candidates = []; + var editingArgument = ts.isJsxOpeningLikeElement(call) ? ts.Debug.checkDefined(ts.findAncestor(arg.parent, ts.isJsxAttribute)) : arg; + checker.getResolvedSignatureForStringLiteralCompletions(call, editingArgument, candidates); + var types = ts.flatMap(candidates, function (candidate) { + if (!ts.signatureHasRestParameter(candidate) && argumentInfo.argumentCount > candidate.parameters.length) + return; + var type = candidate.getTypeParameterAtPosition(argumentInfo.argumentIndex); + if (ts.isJsxOpeningLikeElement(call)) { + var propType = checker.getTypeOfPropertyOfType(type, editingArgument.name.text); + if (propType) { + type = propType; + } + } + isNewIdentifier = isNewIdentifier || !!(type.flags & 4 /* TypeFlags.String */); + return getStringLiteralTypes(type, uniques); + }); + return { kind: 2 /* StringLiteralCompletionKind.Types */, types: types, isNewIdentifier: isNewIdentifier }; + } + function stringLiteralCompletionsFromProperties(type) { + return type && { + kind: 1 /* StringLiteralCompletionKind.Properties */, + symbols: ts.filter(type.getApparentProperties(), function (prop) { return !(prop.valueDeclaration && ts.isPrivateIdentifierClassElementDeclaration(prop.valueDeclaration)); }), + hasIndexSignature: ts.hasIndexSignature(type) + }; + } + function stringLiteralCompletionsForObjectLiteral(checker, objectLiteralExpression) { + var contextualType = checker.getContextualType(objectLiteralExpression); + if (!contextualType) + return undefined; + var completionsType = checker.getContextualType(objectLiteralExpression, 4 /* ContextFlags.Completions */); + var symbols = Completions.getPropertiesForObjectExpression(contextualType, completionsType, objectLiteralExpression, checker); + return { + kind: 1 /* StringLiteralCompletionKind.Properties */, + symbols: symbols, + hasIndexSignature: ts.hasIndexSignature(contextualType) + }; + } + function getStringLiteralTypes(type, uniques) { + if (uniques === void 0) { uniques = new ts.Map(); } + if (!type) + return ts.emptyArray; + type = ts.skipConstraint(type); + return type.isUnion() ? ts.flatMap(type.types, function (t) { return getStringLiteralTypes(t, uniques); }) : + type.isStringLiteral() && !(type.flags & 1024 /* TypeFlags.EnumLiteral */) && ts.addToSeen(uniques, type.value) ? [type] : ts.emptyArray; + } + function nameAndKind(name, kind, extension) { + return { name: name, kind: kind, extension: extension }; + } + function directoryResult(name) { + return nameAndKind(name, "directory" /* ScriptElementKind.directory */, /*extension*/ undefined); + } + function addReplacementSpans(text, textStart, names) { + var span = getDirectoryFragmentTextSpan(text, textStart); + var wholeSpan = text.length === 0 ? undefined : ts.createTextSpan(textStart, text.length); + return names.map(function (_a) { + var name = _a.name, kind = _a.kind, extension = _a.extension; + return Math.max(name.indexOf(ts.directorySeparator), name.indexOf(ts.altDirectorySeparator)) !== -1 ? { name: name, kind: kind, extension: extension, span: wholeSpan } : { name: name, kind: kind, extension: extension, span: span }; + }); + } + function getStringLiteralCompletionsFromModuleNames(sourceFile, node, compilerOptions, host, typeChecker, preferences) { + return addReplacementSpans(node.text, node.getStart(sourceFile) + 1, getStringLiteralCompletionsFromModuleNamesWorker(sourceFile, node, compilerOptions, host, typeChecker, preferences)); + } + function getStringLiteralCompletionsFromModuleNamesWorker(sourceFile, node, compilerOptions, host, typeChecker, preferences) { + var literalValue = ts.normalizeSlashes(node.text); + var scriptPath = sourceFile.path; + var scriptDirectory = ts.getDirectoryPath(scriptPath); + return isPathRelativeToScript(literalValue) || !compilerOptions.baseUrl && (ts.isRootedDiskPath(literalValue) || ts.isUrl(literalValue)) + ? getCompletionEntriesForRelativeModules(literalValue, scriptDirectory, compilerOptions, host, scriptPath, getIncludeExtensionOption()) + : getCompletionEntriesForNonRelativeModules(literalValue, scriptDirectory, compilerOptions, host, typeChecker); + function getIncludeExtensionOption() { + var mode = ts.isStringLiteralLike(node) ? ts.getModeForUsageLocation(sourceFile, node) : undefined; + return preferences.importModuleSpecifierEnding === "js" || mode === ts.ModuleKind.ESNext ? 2 /* IncludeExtensionsOption.ModuleSpecifierCompletion */ : 0 /* IncludeExtensionsOption.Exclude */; + } + } + function getExtensionOptions(compilerOptions, includeExtensionsOption) { + if (includeExtensionsOption === void 0) { includeExtensionsOption = 0 /* IncludeExtensionsOption.Exclude */; } + return { extensions: ts.flatten(getSupportedExtensionsForModuleResolution(compilerOptions)), includeExtensionsOption: includeExtensionsOption }; + } + function getCompletionEntriesForRelativeModules(literalValue, scriptDirectory, compilerOptions, host, scriptPath, includeExtensions) { + var extensionOptions = getExtensionOptions(compilerOptions, includeExtensions); + if (compilerOptions.rootDirs) { + return getCompletionEntriesForDirectoryFragmentWithRootDirs(compilerOptions.rootDirs, literalValue, scriptDirectory, extensionOptions, compilerOptions, host, scriptPath); + } + else { + return getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, extensionOptions, host, scriptPath); + } + } + function isEmitResolutionKindUsingNodeModules(compilerOptions) { + return ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs || + ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Node16 || + ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeNext; + } + function isEmitModuleResolutionRespectingExportMaps(compilerOptions) { + return ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.Node16 || + ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeNext; + } + function getSupportedExtensionsForModuleResolution(compilerOptions) { + var extensions = ts.getSupportedExtensions(compilerOptions); + return isEmitResolutionKindUsingNodeModules(compilerOptions) ? + ts.getSupportedExtensionsWithJsonIfResolveJsonModule(compilerOptions, extensions) : + extensions; + } + /** + * Takes a script path and returns paths for all potential folders that could be merged with its + * containing folder via the "rootDirs" compiler option + */ + function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptDirectory, ignoreCase) { + // Make all paths absolute/normalized if they are not already + rootDirs = rootDirs.map(function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); }); + // Determine the path to the directory containing the script relative to the root directory it is contained within + var relativeDirectory = ts.firstDefined(rootDirs, function (rootDirectory) { + return ts.containsPath(rootDirectory, scriptDirectory, basePath, ignoreCase) ? scriptDirectory.substr(rootDirectory.length) : undefined; + }); // TODO: GH#18217 + // Now find a path for each potential directory that is to be merged with the one containing the script + return ts.deduplicate(__spreadArray(__spreadArray([], rootDirs.map(function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); }), true), [scriptDirectory], false), ts.equateStringsCaseSensitive, ts.compareStringsCaseSensitive); + } + function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptDirectory, extensionOptions, compilerOptions, host, exclude) { + var basePath = compilerOptions.project || host.getCurrentDirectory(); + var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); + var baseDirectories = getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptDirectory, ignoreCase); + return ts.flatMap(baseDirectories, function (baseDirectory) { return getCompletionEntriesForDirectoryFragment(fragment, baseDirectory, extensionOptions, host, exclude); }); + } + var IncludeExtensionsOption; + (function (IncludeExtensionsOption) { + IncludeExtensionsOption[IncludeExtensionsOption["Exclude"] = 0] = "Exclude"; + IncludeExtensionsOption[IncludeExtensionsOption["Include"] = 1] = "Include"; + IncludeExtensionsOption[IncludeExtensionsOption["ModuleSpecifierCompletion"] = 2] = "ModuleSpecifierCompletion"; + })(IncludeExtensionsOption || (IncludeExtensionsOption = {})); + /** + * Given a path ending at a directory, gets the completions for the path, and filters for those entries containing the basename. + */ + function getCompletionEntriesForDirectoryFragment(fragment, scriptPath, _a, host, exclude, result) { + var extensions = _a.extensions, includeExtensionsOption = _a.includeExtensionsOption; + if (result === void 0) { result = []; } + if (fragment === undefined) { + fragment = ""; + } + fragment = ts.normalizeSlashes(fragment); + /** + * Remove the basename from the path. Note that we don't use the basename to filter completions; + * the client is responsible for refining completions. + */ + if (!ts.hasTrailingDirectorySeparator(fragment)) { + fragment = ts.getDirectoryPath(fragment); + } + if (fragment === "") { + fragment = "." + ts.directorySeparator; + } + fragment = ts.ensureTrailingDirectorySeparator(fragment); + // const absolutePath = normalizeAndPreserveTrailingSlash(isRootedDiskPath(fragment) ? fragment : combinePaths(scriptPath, fragment)); // TODO(rbuckton): should use resolvePaths + var absolutePath = ts.resolvePath(scriptPath, fragment); + var baseDirectory = ts.hasTrailingDirectorySeparator(absolutePath) ? absolutePath : ts.getDirectoryPath(absolutePath); + var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); + if (!ts.tryDirectoryExists(host, baseDirectory)) + return result; + // Enumerate the available files if possible + var files = ts.tryReadDirectory(host, baseDirectory, extensions, /*exclude*/ undefined, /*include*/ ["./*"]); + if (files) { + /** + * Multiple file entries might map to the same truncated name once we remove extensions + * (happens iff includeExtensionsOption === includeExtensionsOption.Exclude) so we use a set-like data structure. Eg: + * + * both foo.ts and foo.tsx become foo + */ + var foundFiles = new ts.Map(); // maps file to its extension + for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { + var filePath = files_1[_i]; + filePath = ts.normalizePath(filePath); + if (exclude && ts.comparePaths(filePath, exclude, scriptPath, ignoreCase) === 0 /* Comparison.EqualTo */) { + continue; + } + var foundFileName = void 0; + var outputExtension = ts.moduleSpecifiers.tryGetJSExtensionForFile(filePath, host.getCompilationSettings()); + if (includeExtensionsOption === 0 /* IncludeExtensionsOption.Exclude */ && !ts.fileExtensionIsOneOf(filePath, [".json" /* Extension.Json */, ".mts" /* Extension.Mts */, ".cts" /* Extension.Cts */, ".d.mts" /* Extension.Dmts */, ".d.cts" /* Extension.Dcts */, ".mjs" /* Extension.Mjs */, ".cjs" /* Extension.Cjs */])) { + foundFileName = ts.removeFileExtension(ts.getBaseFileName(filePath)); + foundFiles.set(foundFileName, ts.tryGetExtensionFromPath(filePath)); + } + else if ((ts.fileExtensionIsOneOf(filePath, [".mts" /* Extension.Mts */, ".cts" /* Extension.Cts */, ".d.mts" /* Extension.Dmts */, ".d.cts" /* Extension.Dcts */, ".mjs" /* Extension.Mjs */, ".cjs" /* Extension.Cjs */]) || includeExtensionsOption === 2 /* IncludeExtensionsOption.ModuleSpecifierCompletion */) && outputExtension) { + foundFileName = ts.changeExtension(ts.getBaseFileName(filePath), outputExtension); + foundFiles.set(foundFileName, outputExtension); + } + else { + foundFileName = ts.getBaseFileName(filePath); + foundFiles.set(foundFileName, ts.tryGetExtensionFromPath(filePath)); + } + } + foundFiles.forEach(function (ext, foundFile) { + result.push(nameAndKind(foundFile, "script" /* ScriptElementKind.scriptElement */, ext)); + }); + } + // If possible, get folder completion as well + var directories = ts.tryGetDirectories(host, baseDirectory); + if (directories) { + for (var _b = 0, directories_1 = directories; _b < directories_1.length; _b++) { + var directory = directories_1[_b]; + var directoryName = ts.getBaseFileName(ts.normalizePath(directory)); + if (directoryName !== "@types") { + result.push(directoryResult(directoryName)); + } + } + } + // check for a version redirect + var packageJsonPath = ts.findPackageJson(baseDirectory, host); + if (packageJsonPath) { + var packageJson = ts.readJson(packageJsonPath, host); + var typesVersions = packageJson.typesVersions; + if (typeof typesVersions === "object") { + var versionResult = ts.getPackageJsonTypesVersionsPaths(typesVersions); + var versionPaths = versionResult && versionResult.paths; + var rest = absolutePath.slice(ts.ensureTrailingDirectorySeparator(baseDirectory).length); + if (versionPaths) { + addCompletionEntriesFromPaths(result, rest, baseDirectory, extensions, versionPaths, host); + } + } + } + return result; + } + function addCompletionEntriesFromPaths(result, fragment, baseDirectory, fileExtensions, paths, host) { + for (var path in paths) { + if (!ts.hasProperty(paths, path)) + continue; + var patterns = paths[path]; + if (patterns) { + var _loop_3 = function (name, kind, extension) { + // Path mappings may provide a duplicate way to get to something we've already added, so don't add again. + if (!result.some(function (entry) { return entry.name === name; })) { + result.push(nameAndKind(name, kind, extension)); + } + }; + for (var _i = 0, _a = getCompletionsForPathMapping(path, patterns, fragment, baseDirectory, fileExtensions, host); _i < _a.length; _i++) { + var _b = _a[_i], name = _b.name, kind = _b.kind, extension = _b.extension; + _loop_3(name, kind, extension); + } + } + } + } + /** + * Check all of the declared modules and those in node modules. Possible sources of modules: + * Modules that are found by the type checker + * Modules found relative to "baseUrl" compliler options (including patterns from "paths" compiler option) + * Modules from node_modules (i.e. those listed in package.json) + * This includes all files that are found in node_modules/moduleName/ with acceptable file extensions + */ + function getCompletionEntriesForNonRelativeModules(fragment, scriptPath, compilerOptions, host, typeChecker) { + var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths; + var result = []; + var extensionOptions = getExtensionOptions(compilerOptions); + if (baseUrl) { + var projectDir = compilerOptions.project || host.getCurrentDirectory(); + var absolute = ts.normalizePath(ts.combinePaths(projectDir, baseUrl)); + getCompletionEntriesForDirectoryFragment(fragment, absolute, extensionOptions, host, /*exclude*/ undefined, result); + if (paths) { + addCompletionEntriesFromPaths(result, fragment, absolute, extensionOptions.extensions, paths, host); + } + } + var fragmentDirectory = getFragmentDirectory(fragment); + for (var _i = 0, _a = getAmbientModuleCompletions(fragment, fragmentDirectory, typeChecker); _i < _a.length; _i++) { + var ambientName = _a[_i]; + result.push(nameAndKind(ambientName, "external module name" /* ScriptElementKind.externalModuleName */, /*extension*/ undefined)); + } + getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, fragmentDirectory, extensionOptions, result); + if (isEmitResolutionKindUsingNodeModules(compilerOptions)) { + // If looking for a global package name, don't just include everything in `node_modules` because that includes dependencies' own dependencies. + // (But do if we didn't find anything, e.g. 'package.json' missing.) + var foundGlobal = false; + if (fragmentDirectory === undefined) { + var _loop_4 = function (moduleName) { + if (!result.some(function (entry) { return entry.name === moduleName; })) { + foundGlobal = true; + result.push(nameAndKind(moduleName, "external module name" /* ScriptElementKind.externalModuleName */, /*extension*/ undefined)); + } + }; + for (var _b = 0, _c = enumerateNodeModulesVisibleToScript(host, scriptPath); _b < _c.length; _b++) { + var moduleName = _c[_b]; + _loop_4(moduleName); + } + } + if (!foundGlobal) { + var ancestorLookup = function (ancestor) { + var nodeModules = ts.combinePaths(ancestor, "node_modules"); + if (ts.tryDirectoryExists(host, nodeModules)) { + getCompletionEntriesForDirectoryFragment(fragment, nodeModules, extensionOptions, host, /*exclude*/ undefined, result); + } + }; + if (fragmentDirectory && isEmitModuleResolutionRespectingExportMaps(compilerOptions)) { + var nodeModulesDirectoryLookup_1 = ancestorLookup; + ancestorLookup = function (ancestor) { + var components = ts.getPathComponents(fragment); + components.shift(); // shift off empty root + var packagePath = components.shift(); + if (!packagePath) { + return nodeModulesDirectoryLookup_1(ancestor); + } + if (ts.startsWith(packagePath, "@")) { + var subName = components.shift(); + if (!subName) { + return nodeModulesDirectoryLookup_1(ancestor); + } + packagePath = ts.combinePaths(packagePath, subName); + } + var packageFile = ts.combinePaths(ancestor, "node_modules", packagePath, "package.json"); + if (ts.tryFileExists(host, packageFile)) { + var packageJson = ts.readJson(packageFile, host); + var exports = packageJson.exports; + if (exports) { + if (typeof exports !== "object" || exports === null) { // eslint-disable-line no-null/no-null + return; // null exports or entrypoint only, no sub-modules available + } + var keys = ts.getOwnKeys(exports); + var fragmentSubpath_1 = components.join("/"); + var processedKeys = ts.mapDefined(keys, function (k) { + if (k === ".") + return undefined; + if (!ts.startsWith(k, "./")) + return undefined; + var subpath = k.substring(2); + if (!ts.startsWith(subpath, fragmentSubpath_1)) + return undefined; + // subpath is a valid export (barring conditions, which we don't currently check here) + if (!ts.stringContains(subpath, "*")) { + return subpath; + } + // pattern export - only return everything up to the `*`, so the user can autocomplete, then + // keep filling in the pattern (we could speculatively return a list of options by hitting disk, + // but conditions will make that somewhat awkward, as each condition may have a different set of possible + // options for the `*`. + return subpath.slice(0, subpath.indexOf("*")); + }); + ts.forEach(processedKeys, function (k) { + if (k) { + result.push(nameAndKind(k, "external module name" /* ScriptElementKind.externalModuleName */, /*extension*/ undefined)); + } + }); + return; + } + } + return nodeModulesDirectoryLookup_1(ancestor); + }; + } + ts.forEachAncestorDirectory(scriptPath, ancestorLookup); + } + } + return result; + } + function getFragmentDirectory(fragment) { + return containsSlash(fragment) ? ts.hasTrailingDirectorySeparator(fragment) ? fragment : ts.getDirectoryPath(fragment) : undefined; + } + function getCompletionsForPathMapping(path, patterns, fragment, baseUrl, fileExtensions, host) { + if (!ts.endsWith(path, "*")) { + // For a path mapping "foo": ["/x/y/z.ts"], add "foo" itself as a completion. + return !ts.stringContains(path, "*") ? justPathMappingName(path) : ts.emptyArray; + } + var pathPrefix = path.slice(0, path.length - 1); + var remainingFragment = ts.tryRemovePrefix(fragment, pathPrefix); + return remainingFragment === undefined ? justPathMappingName(pathPrefix) : ts.flatMap(patterns, function (pattern) { + return getModulesForPathsPattern(remainingFragment, baseUrl, pattern, fileExtensions, host); + }); + function justPathMappingName(name) { + return ts.startsWith(name, fragment) ? [directoryResult(name)] : ts.emptyArray; + } + } + function getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions, host) { + if (!host.readDirectory) { + return undefined; + } + var parsed = ts.tryParsePattern(pattern); + if (parsed === undefined || ts.isString(parsed)) { + return undefined; + } + // The prefix has two effective parts: the directory path and the base component after the filepath that is not a + // full directory component. For example: directory/path/of/prefix/base* + var normalizedPrefix = ts.resolvePath(parsed.prefix); + var normalizedPrefixDirectory = ts.hasTrailingDirectorySeparator(parsed.prefix) ? normalizedPrefix : ts.getDirectoryPath(normalizedPrefix); + var normalizedPrefixBase = ts.hasTrailingDirectorySeparator(parsed.prefix) ? "" : ts.getBaseFileName(normalizedPrefix); + var fragmentHasPath = containsSlash(fragment); + var fragmentDirectory = fragmentHasPath ? ts.hasTrailingDirectorySeparator(fragment) ? fragment : ts.getDirectoryPath(fragment) : undefined; + // Try and expand the prefix to include any path from the fragment so that we can limit the readDirectory call + var expandedPrefixDirectory = fragmentHasPath ? ts.combinePaths(normalizedPrefixDirectory, normalizedPrefixBase + fragmentDirectory) : normalizedPrefixDirectory; + var normalizedSuffix = ts.normalizePath(parsed.suffix); + // Need to normalize after combining: If we combinePaths("a", "../b"), we want "b" and not "a/../b". + var baseDirectory = ts.normalizePath(ts.combinePaths(baseUrl, expandedPrefixDirectory)); + var completePrefix = fragmentHasPath ? baseDirectory : ts.ensureTrailingDirectorySeparator(baseDirectory) + normalizedPrefixBase; + // If we have a suffix, then we need to read the directory all the way down. We could create a glob + // that encodes the suffix, but we would have to escape the character "?" which readDirectory + // doesn't support. For now, this is safer but slower + var includeGlob = normalizedSuffix ? "**/*" : "./*"; + var matches = ts.mapDefined(ts.tryReadDirectory(host, baseDirectory, fileExtensions, /*exclude*/ undefined, [includeGlob]), function (match) { + var extension = ts.tryGetExtensionFromPath(match); + var name = trimPrefixAndSuffix(match); + return name === undefined ? undefined : nameAndKind(ts.removeFileExtension(name), "script" /* ScriptElementKind.scriptElement */, extension); + }); + var directories = ts.mapDefined(ts.tryGetDirectories(host, baseDirectory).map(function (d) { return ts.combinePaths(baseDirectory, d); }), function (dir) { + var name = trimPrefixAndSuffix(dir); + return name === undefined ? undefined : directoryResult(name); + }); + return __spreadArray(__spreadArray([], matches, true), directories, true); + function trimPrefixAndSuffix(path) { + var inner = withoutStartAndEnd(ts.normalizePath(path), completePrefix, normalizedSuffix); + return inner === undefined ? undefined : removeLeadingDirectorySeparator(inner); + } + } + function withoutStartAndEnd(s, start, end) { + return ts.startsWith(s, start) && ts.endsWith(s, end) ? s.slice(start.length, s.length - end.length) : undefined; + } + function removeLeadingDirectorySeparator(path) { + return path[0] === ts.directorySeparator ? path.slice(1) : path; + } + function getAmbientModuleCompletions(fragment, fragmentDirectory, checker) { + // Get modules that the type checker picked up + var ambientModules = checker.getAmbientModules().map(function (sym) { return ts.stripQuotes(sym.name); }); + var nonRelativeModuleNames = ambientModules.filter(function (moduleName) { return ts.startsWith(moduleName, fragment); }); + // Nested modules of the form "module-name/sub" need to be adjusted to only return the string + // after the last '/' that appears in the fragment because that's where the replacement span + // starts + if (fragmentDirectory !== undefined) { + var moduleNameWithSeparator_1 = ts.ensureTrailingDirectorySeparator(fragmentDirectory); + return nonRelativeModuleNames.map(function (nonRelativeModuleName) { return ts.removePrefix(nonRelativeModuleName, moduleNameWithSeparator_1); }); + } + return nonRelativeModuleNames; + } + function getTripleSlashReferenceCompletion(sourceFile, position, compilerOptions, host) { + var token = ts.getTokenAtPosition(sourceFile, position); + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + var range = commentRanges && ts.find(commentRanges, function (commentRange) { return position >= commentRange.pos && position <= commentRange.end; }); + if (!range) { + return undefined; + } + var text = sourceFile.text.slice(range.pos, position); + var match = tripleSlashDirectiveFragmentRegex.exec(text); + if (!match) { + return undefined; + } + var prefix = match[1], kind = match[2], toComplete = match[3]; + var scriptPath = ts.getDirectoryPath(sourceFile.path); + var names = kind === "path" ? getCompletionEntriesForDirectoryFragment(toComplete, scriptPath, getExtensionOptions(compilerOptions, 1 /* IncludeExtensionsOption.Include */), host, sourceFile.path) + : kind === "types" ? getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, getFragmentDirectory(toComplete), getExtensionOptions(compilerOptions)) + : ts.Debug.fail(); + return addReplacementSpans(toComplete, range.pos + prefix.length, names); + } + function getCompletionEntriesFromTypings(host, options, scriptPath, fragmentDirectory, extensionOptions, result) { + if (result === void 0) { result = []; } + // Check for typings specified in compiler options + var seen = new ts.Map(); + var typeRoots = ts.tryAndIgnoreErrors(function () { return ts.getEffectiveTypeRoots(options, host); }) || ts.emptyArray; + for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) { + var root = typeRoots_1[_i]; + getCompletionEntriesFromDirectories(root); + } + // Also get all @types typings installed in visible node_modules directories + for (var _a = 0, _b = ts.findPackageJsons(scriptPath, host); _a < _b.length; _a++) { + var packageJson = _b[_a]; + var typesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules/@types"); + getCompletionEntriesFromDirectories(typesDir); + } + return result; + function getCompletionEntriesFromDirectories(directory) { + if (!ts.tryDirectoryExists(host, directory)) + return; + for (var _i = 0, _a = ts.tryGetDirectories(host, directory); _i < _a.length; _i++) { + var typeDirectoryName = _a[_i]; + var packageName = ts.unmangleScopedPackageName(typeDirectoryName); + if (options.types && !ts.contains(options.types, packageName)) + continue; + if (fragmentDirectory === undefined) { + if (!seen.has(packageName)) { + result.push(nameAndKind(packageName, "external module name" /* ScriptElementKind.externalModuleName */, /*extension*/ undefined)); + seen.set(packageName, true); + } + } + else { + var baseDirectory = ts.combinePaths(directory, typeDirectoryName); + var remainingFragment = ts.tryRemoveDirectoryPrefix(fragmentDirectory, packageName, ts.hostGetCanonicalFileName(host)); + if (remainingFragment !== undefined) { + getCompletionEntriesForDirectoryFragment(remainingFragment, baseDirectory, extensionOptions, host, /*exclude*/ undefined, result); + } + } + } + } + } + function enumerateNodeModulesVisibleToScript(host, scriptPath) { + if (!host.readFile || !host.fileExists) + return ts.emptyArray; + var result = []; + for (var _i = 0, _a = ts.findPackageJsons(scriptPath, host); _i < _a.length; _i++) { + var packageJson = _a[_i]; + var contents = ts.readJson(packageJson, host); // Cast to assert that readFile is defined + // Provide completions for all non @types dependencies + for (var _b = 0, nodeModulesDependencyKeys_1 = nodeModulesDependencyKeys; _b < nodeModulesDependencyKeys_1.length; _b++) { + var key = nodeModulesDependencyKeys_1[_b]; + var dependencies = contents[key]; + if (!dependencies) + continue; + for (var dep in dependencies) { + if (dependencies.hasOwnProperty(dep) && !ts.startsWith(dep, "@types/")) { + result.push(dep); + } + } + } + } + return result; + } + // Replace everything after the last directory separator that appears + function getDirectoryFragmentTextSpan(text, textStart) { + var index = Math.max(text.lastIndexOf(ts.directorySeparator), text.lastIndexOf(ts.altDirectorySeparator)); + var offset = index !== -1 ? index + 1 : 0; + // If the range is an identifier, span is unnecessary. + var length = text.length - offset; + return length === 0 || ts.isIdentifierText(text.substr(offset, length), 99 /* ScriptTarget.ESNext */) ? undefined : ts.createTextSpan(textStart + offset, length); + } + // Returns true if the path is explicitly relative to the script (i.e. relative to . or ..) + function isPathRelativeToScript(path) { + if (path && path.length >= 2 && path.charCodeAt(0) === 46 /* CharacterCodes.dot */) { + var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 /* CharacterCodes.dot */ ? 2 : 1; + var slashCharCode = path.charCodeAt(slashIndex); + return slashCharCode === 47 /* CharacterCodes.slash */ || slashCharCode === 92 /* CharacterCodes.backslash */; + } + return false; + } + /** + * Matches a triple slash reference directive with an incomplete string literal for its path. Used + * to determine if the caret is currently within the string literal and capture the literal fragment + * for completions. + * For example, this matches + * + * /// 0; }, + resolvedBeyondLimit: function () { return resolvedCount > Completions.moduleSpecifierResolutionLimit; }, + }); + var hitRateMessage = cacheAttemptCount ? " (".concat((resolvedFromCacheCount / cacheAttemptCount * 100).toFixed(1), "% hit rate)") : ""; + (_a = host.log) === null || _a === void 0 ? void 0 : _a.call(host, "".concat(logPrefix, ": resolved ").concat(resolvedCount, " module specifiers, plus ").concat(ambientCount, " ambient and ").concat(resolvedFromCacheCount, " from cache").concat(hitRateMessage)); + (_b = host.log) === null || _b === void 0 ? void 0 : _b.call(host, "".concat(logPrefix, ": response is ").concat(skippedAny ? "incomplete" : "complete")); + (_c = host.log) === null || _c === void 0 ? void 0 : _c.call(host, "".concat(logPrefix, ": ").concat(ts.timestamp() - start)); + return result; + function tryResolve(exportInfo, symbolName, isFromAmbientModule) { + if (isFromAmbientModule) { + var result_1 = resolver.getModuleSpecifierForBestExportInfo(exportInfo, symbolName, position, isValidTypeOnlyUseSite); + if (result_1) { + ambientCount++; + } + return result_1 || "failed"; + } + var shouldResolveModuleSpecifier = needsFullResolution || preferences.allowIncompleteCompletions && resolvedCount < Completions.moduleSpecifierResolutionLimit; + var shouldGetModuleSpecifierFromCache = !shouldResolveModuleSpecifier && preferences.allowIncompleteCompletions && cacheAttemptCount < Completions.moduleSpecifierResolutionCacheAttemptLimit; + var result = (shouldResolveModuleSpecifier || shouldGetModuleSpecifierFromCache) + ? resolver.getModuleSpecifierForBestExportInfo(exportInfo, symbolName, position, isValidTypeOnlyUseSite, shouldGetModuleSpecifierFromCache) + : undefined; + if (!shouldResolveModuleSpecifier && !shouldGetModuleSpecifierFromCache || shouldGetModuleSpecifierFromCache && !result) { + skippedAny = true; + } + resolvedCount += (result === null || result === void 0 ? void 0 : result.computedWithoutCacheCount) || 0; + resolvedFromCacheCount += exportInfo.length - ((result === null || result === void 0 ? void 0 : result.computedWithoutCacheCount) || 0); + if (shouldGetModuleSpecifierFromCache) { + cacheAttemptCount++; + } + return result || (needsFullResolution ? "failed" : "skipped"); + } + } + function getCompletionsAtPosition(host, program, log, sourceFile, position, preferences, triggerCharacter, completionKind, cancellationToken, formatContext) { + var _a; + var previousToken = getRelevantTokens(position, sourceFile).previousToken; + if (triggerCharacter && !ts.isInString(sourceFile, position, previousToken) && !isValidTrigger(sourceFile, triggerCharacter, previousToken, position)) { + return undefined; + } + if (triggerCharacter === " ") { + // `isValidTrigger` ensures we are at `import |` + if (preferences.includeCompletionsForImportStatements && preferences.includeCompletionsWithInsertText) { + return { isGlobalCompletion: true, isMemberCompletion: false, isNewIdentifierLocation: true, isIncomplete: true, entries: [] }; + } + return undefined; + } + // If the request is a continuation of an earlier `isIncomplete` response, + // we can continue it from the cached previous response. + var compilerOptions = program.getCompilerOptions(); + var incompleteCompletionsCache = preferences.allowIncompleteCompletions ? (_a = host.getIncompleteCompletionsCache) === null || _a === void 0 ? void 0 : _a.call(host) : undefined; + if (incompleteCompletionsCache && completionKind === 3 /* CompletionTriggerKind.TriggerForIncompleteCompletions */ && previousToken && ts.isIdentifier(previousToken)) { + var incompleteContinuation = continuePreviousIncompleteResponse(incompleteCompletionsCache, sourceFile, previousToken, program, host, preferences, cancellationToken); + if (incompleteContinuation) { + return incompleteContinuation; + } + } + else { + incompleteCompletionsCache === null || incompleteCompletionsCache === void 0 ? void 0 : incompleteCompletionsCache.clear(); + } + var stringCompletions = Completions.StringCompletions.getStringLiteralCompletions(sourceFile, position, previousToken, compilerOptions, host, program, log, preferences); + if (stringCompletions) { + return stringCompletions; + } + if (previousToken && ts.isBreakOrContinueStatement(previousToken.parent) + && (previousToken.kind === 81 /* SyntaxKind.BreakKeyword */ || previousToken.kind === 86 /* SyntaxKind.ContinueKeyword */ || previousToken.kind === 79 /* SyntaxKind.Identifier */)) { + return getLabelCompletionAtPosition(previousToken.parent); + } + var completionData = getCompletionData(program, log, sourceFile, compilerOptions, position, preferences, /*detailsEntryId*/ undefined, host, formatContext, cancellationToken); + if (!completionData) { + return undefined; + } + switch (completionData.kind) { + case 0 /* CompletionDataKind.Data */: + var response = completionInfoFromData(sourceFile, host, program, compilerOptions, log, completionData, preferences, formatContext, position); + if (response === null || response === void 0 ? void 0 : response.isIncomplete) { + incompleteCompletionsCache === null || incompleteCompletionsCache === void 0 ? void 0 : incompleteCompletionsCache.set(response); + } + return response; + case 1 /* CompletionDataKind.JsDocTagName */: + // If the current position is a jsDoc tag name, only tag names should be provided for completion + return jsdocCompletionInfo(ts.JsDoc.getJSDocTagNameCompletions()); + case 2 /* CompletionDataKind.JsDocTag */: + // If the current position is a jsDoc tag, only tags should be provided for completion + return jsdocCompletionInfo(ts.JsDoc.getJSDocTagCompletions()); + case 3 /* CompletionDataKind.JsDocParameterName */: + return jsdocCompletionInfo(ts.JsDoc.getJSDocParameterNameCompletions(completionData.tag)); + case 4 /* CompletionDataKind.Keywords */: + return specificKeywordCompletionInfo(completionData.keywordCompletions, completionData.isNewIdentifierLocation); + default: + return ts.Debug.assertNever(completionData); + } + } + Completions.getCompletionsAtPosition = getCompletionsAtPosition; + // Editors will use the `sortText` and then fall back to `name` for sorting, but leave ties in response order. + // So, it's important that we sort those ties in the order we want them displayed if it matters. We don't + // strictly need to sort by name or SortText here since clients are going to do it anyway, but we have to + // do the work of comparing them so we can sort those ties appropriately; plus, it makes the order returned + // by the language service consistent with what TS Server does and what editors typically do. This also makes + // completions tests make more sense. We used to sort only alphabetically and only in the server layer, but + // this made tests really weird, since most fourslash tests don't use the server. + function compareCompletionEntries(entryInArray, entryToInsert) { + var _a, _b; + var result = ts.compareStringsCaseSensitiveUI(entryInArray.sortText, entryToInsert.sortText); + if (result === 0 /* Comparison.EqualTo */) { + result = ts.compareStringsCaseSensitiveUI(entryInArray.name, entryToInsert.name); + } + if (result === 0 /* Comparison.EqualTo */ && ((_a = entryInArray.data) === null || _a === void 0 ? void 0 : _a.moduleSpecifier) && ((_b = entryToInsert.data) === null || _b === void 0 ? void 0 : _b.moduleSpecifier)) { + // Sort same-named auto-imports by module specifier + result = ts.compareNumberOfDirectorySeparators(entryInArray.data.moduleSpecifier, entryToInsert.data.moduleSpecifier); + } + if (result === 0 /* Comparison.EqualTo */) { + // Fall back to symbol order - if we return `EqualTo`, `insertSorted` will put later symbols first. + return -1 /* Comparison.LessThan */; + } + return result; + } + function completionEntryDataIsResolved(data) { + return !!(data === null || data === void 0 ? void 0 : data.moduleSpecifier); + } + function continuePreviousIncompleteResponse(cache, file, location, program, host, preferences, cancellationToken) { + var previousResponse = cache.get(); + if (!previousResponse) + return undefined; + var lowerCaseTokenText = location.text.toLowerCase(); + var exportMap = ts.getExportInfoMap(file, host, program, cancellationToken); + var newEntries = resolvingModuleSpecifiers("continuePreviousIncompleteResponse", host, ts.codefix.createImportSpecifierResolver(file, program, host, preferences), program, location.getStart(), preferences, + /*isForImportStatementCompletion*/ false, ts.isValidTypeOnlyAliasUseSite(location), function (context) { + var entries = ts.mapDefined(previousResponse.entries, function (entry) { + var _a; + if (!entry.hasAction || !entry.source || !entry.data || completionEntryDataIsResolved(entry.data)) { + // Not an auto import or already resolved; keep as is + return entry; + } + if (!charactersFuzzyMatchInString(entry.name, lowerCaseTokenText)) { + // No longer matches typed characters; filter out + return undefined; + } + var origin = ts.Debug.checkDefined(getAutoImportSymbolFromCompletionEntryData(entry.name, entry.data, program, host)).origin; + var info = exportMap.get(file.path, entry.data.exportMapKey); + var result = info && context.tryResolve(info, entry.name, !ts.isExternalModuleNameRelative(ts.stripQuotes(origin.moduleSymbol.name))); + if (result === "skipped") + return entry; + if (!result || result === "failed") { + (_a = host.log) === null || _a === void 0 ? void 0 : _a.call(host, "Unexpected failure resolving auto import for '".concat(entry.name, "' from '").concat(entry.source, "'")); + return undefined; + } + var newOrigin = __assign(__assign({}, origin), { kind: 32 /* SymbolOriginInfoKind.ResolvedExport */, moduleSpecifier: result.moduleSpecifier }); + // Mutating for performance... feels sketchy but nobody else uses the cache, + // so why bother allocating a bunch of new objects? + entry.data = originToCompletionEntryData(newOrigin); + entry.source = getSourceFromOrigin(newOrigin); + entry.sourceDisplay = [ts.textPart(newOrigin.moduleSpecifier)]; + return entry; + }); + if (!context.skippedAny()) { + previousResponse.isIncomplete = undefined; + } + return entries; + }); + previousResponse.entries = newEntries; + previousResponse.flags = (previousResponse.flags || 0) | 4 /* CompletionInfoFlags.IsContinuation */; + return previousResponse; + } + function jsdocCompletionInfo(entries) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries }; + } + function keywordToCompletionEntry(keyword) { + return { + name: ts.tokenToString(keyword), + kind: "keyword" /* ScriptElementKind.keyword */, + kindModifiers: "" /* ScriptElementKindModifier.none */, + sortText: Completions.SortText.GlobalsOrKeywords, + }; + } + function specificKeywordCompletionInfo(entries, isNewIdentifierLocation) { + return { + isGlobalCompletion: false, + isMemberCompletion: false, + isNewIdentifierLocation: isNewIdentifierLocation, + entries: entries.slice(), + }; + } + function keywordCompletionData(keywordFilters, filterOutTsOnlyKeywords, isNewIdentifierLocation) { + return { + kind: 4 /* CompletionDataKind.Keywords */, + keywordCompletions: getKeywordCompletions(keywordFilters, filterOutTsOnlyKeywords), + isNewIdentifierLocation: isNewIdentifierLocation, + }; + } + function keywordFiltersFromSyntaxKind(keywordCompletion) { + switch (keywordCompletion) { + case 152 /* SyntaxKind.TypeKeyword */: return 8 /* KeywordCompletionFilters.TypeKeyword */; + default: ts.Debug.fail("Unknown mapping from SyntaxKind to KeywordCompletionFilters"); + } + } + function getOptionalReplacementSpan(location) { + // StringLiteralLike locations are handled separately in stringCompletions.ts + return (location === null || location === void 0 ? void 0 : location.kind) === 79 /* SyntaxKind.Identifier */ ? ts.createTextSpanFromNode(location) : undefined; + } + function completionInfoFromData(sourceFile, host, program, compilerOptions, log, completionData, preferences, formatContext, position) { + var symbols = completionData.symbols, contextToken = completionData.contextToken, completionKind = completionData.completionKind, isInSnippetScope = completionData.isInSnippetScope, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, propertyAccessToConvert = completionData.propertyAccessToConvert, keywordFilters = completionData.keywordFilters, literals = completionData.literals, symbolToOriginInfoMap = completionData.symbolToOriginInfoMap, recommendedCompletion = completionData.recommendedCompletion, isJsxInitializer = completionData.isJsxInitializer, isTypeOnlyLocation = completionData.isTypeOnlyLocation, isJsxIdentifierExpected = completionData.isJsxIdentifierExpected, isRightOfOpenTag = completionData.isRightOfOpenTag, importCompletionNode = completionData.importCompletionNode, insideJsDocTagTypeExpression = completionData.insideJsDocTagTypeExpression, symbolToSortTextMap = completionData.symbolToSortTextMap, hasUnresolvedAutoImports = completionData.hasUnresolvedAutoImports; + // Verify if the file is JSX language variant + if (ts.getLanguageVariant(sourceFile.scriptKind) === 1 /* LanguageVariant.JSX */) { + var completionInfo = getJsxClosingTagCompletion(location, sourceFile); + if (completionInfo) { + return completionInfo; + } + } + var entries = ts.createSortedArray(); + if (isUncheckedFile(sourceFile, compilerOptions)) { + var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries, + /*replacementToken*/ undefined, contextToken, location, sourceFile, host, program, ts.getEmitScriptTarget(compilerOptions), log, completionKind, preferences, compilerOptions, formatContext, isTypeOnlyLocation, propertyAccessToConvert, isJsxIdentifierExpected, isJsxInitializer, importCompletionNode, recommendedCompletion, symbolToOriginInfoMap, symbolToSortTextMap, isJsxIdentifierExpected, isRightOfOpenTag); + getJSCompletionEntries(sourceFile, location.pos, uniqueNames, ts.getEmitScriptTarget(compilerOptions), entries); + } + else { + if (!isNewIdentifierLocation && (!symbols || symbols.length === 0) && keywordFilters === 0 /* KeywordCompletionFilters.None */) { + return undefined; + } + getCompletionEntriesFromSymbols(symbols, entries, + /*replacementToken*/ undefined, contextToken, location, sourceFile, host, program, ts.getEmitScriptTarget(compilerOptions), log, completionKind, preferences, compilerOptions, formatContext, isTypeOnlyLocation, propertyAccessToConvert, isJsxIdentifierExpected, isJsxInitializer, importCompletionNode, recommendedCompletion, symbolToOriginInfoMap, symbolToSortTextMap, isJsxIdentifierExpected, isRightOfOpenTag); + } + if (keywordFilters !== 0 /* KeywordCompletionFilters.None */) { + var entryNames_1 = new ts.Set(entries.map(function (e) { return e.name; })); + for (var _i = 0, _a = getKeywordCompletions(keywordFilters, !insideJsDocTagTypeExpression && ts.isSourceFileJS(sourceFile)); _i < _a.length; _i++) { + var keywordEntry = _a[_i]; + if (isTypeOnlyLocation && ts.isTypeKeyword(ts.stringToToken(keywordEntry.name)) || !entryNames_1.has(keywordEntry.name)) { + ts.insertSorted(entries, keywordEntry, compareCompletionEntries, /*allowDuplicates*/ true); + } + } + } + var entryNames = new ts.Set(entries.map(function (e) { return e.name; })); + for (var _b = 0, _c = getContextualKeywords(contextToken, position); _b < _c.length; _b++) { + var keywordEntry = _c[_b]; + if (!entryNames.has(keywordEntry.name)) { + ts.insertSorted(entries, keywordEntry, compareCompletionEntries, /*allowDuplicates*/ true); + } + } + for (var _d = 0, literals_1 = literals; _d < literals_1.length; _d++) { + var literal = literals_1[_d]; + ts.insertSorted(entries, createCompletionEntryForLiteral(sourceFile, preferences, literal), compareCompletionEntries, /*allowDuplicates*/ true); + } + return { + flags: completionData.flags, + isGlobalCompletion: isInSnippetScope, + isIncomplete: preferences.allowIncompleteCompletions && hasUnresolvedAutoImports ? true : undefined, + isMemberCompletion: isMemberCompletionKind(completionKind), + isNewIdentifierLocation: isNewIdentifierLocation, + optionalReplacementSpan: getOptionalReplacementSpan(location), + entries: entries, + }; + } + function isUncheckedFile(sourceFile, compilerOptions) { + return ts.isSourceFileJS(sourceFile) && !ts.isCheckJsEnabledForFile(sourceFile, compilerOptions); + } + function isMemberCompletionKind(kind) { + switch (kind) { + case 0 /* CompletionKind.ObjectPropertyDeclaration */: + case 3 /* CompletionKind.MemberLike */: + case 2 /* CompletionKind.PropertyAccess */: + return true; + default: + return false; + } + } + function getJsxClosingTagCompletion(location, sourceFile) { + // We wanna walk up the tree till we find a JSX closing element + var jsxClosingElement = ts.findAncestor(location, function (node) { + switch (node.kind) { + case 281 /* SyntaxKind.JsxClosingElement */: + return true; + case 43 /* SyntaxKind.SlashToken */: + case 31 /* SyntaxKind.GreaterThanToken */: + case 79 /* SyntaxKind.Identifier */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + return false; + default: + return "quit"; + } + }); + if (jsxClosingElement) { + // In the TypeScript JSX element, if such element is not defined. When users query for completion at closing tag, + // instead of simply giving unknown value, the completion will return the tag-name of an associated opening-element. + // For example: + // var x =
    " with type any + // And at `
    ` (with a closing `>`), the completion list will contain "div". + // And at property access expressions ` ` the completion will + // return full closing tag with an optional replacement span + // For example: + // var x = + // var y = + // the completion list at "1" and "2" will contain "MainComponent.Child" with a replacement span of closing tag name + var hasClosingAngleBracket = !!ts.findChildOfKind(jsxClosingElement, 31 /* SyntaxKind.GreaterThanToken */, sourceFile); + var tagName = jsxClosingElement.parent.openingElement.tagName; + var closingTag = tagName.getText(sourceFile); + var fullClosingTag = closingTag + (hasClosingAngleBracket ? "" : ">"); + var replacementSpan = ts.createTextSpanFromNode(jsxClosingElement.tagName); + var entry = { + name: fullClosingTag, + kind: "class" /* ScriptElementKind.classElement */, + kindModifiers: undefined, + sortText: Completions.SortText.LocationPriority, + }; + return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: false, optionalReplacementSpan: replacementSpan, entries: [entry] }; + } + return; + } + function getJSCompletionEntries(sourceFile, position, uniqueNames, target, entries) { + ts.getNameTable(sourceFile).forEach(function (pos, name) { + // Skip identifiers produced only from the current location + if (pos === position) { + return; + } + var realName = ts.unescapeLeadingUnderscores(name); + if (!uniqueNames.has(realName) && ts.isIdentifierText(realName, target)) { + uniqueNames.add(realName); + ts.insertSorted(entries, { + name: realName, + kind: "warning" /* ScriptElementKind.warning */, + kindModifiers: "", + sortText: Completions.SortText.JavascriptIdentifiers, + isFromUncheckedFile: true + }, compareCompletionEntries); + } + }); + } + function completionNameForLiteral(sourceFile, preferences, literal) { + return typeof literal === "object" ? ts.pseudoBigIntToString(literal) + "n" : + ts.isString(literal) ? ts.quote(sourceFile, preferences, literal) : JSON.stringify(literal); + } + function createCompletionEntryForLiteral(sourceFile, preferences, literal) { + return { name: completionNameForLiteral(sourceFile, preferences, literal), kind: "string" /* ScriptElementKind.string */, kindModifiers: "" /* ScriptElementKindModifier.none */, sortText: Completions.SortText.LocationPriority }; + } + function createCompletionEntry(symbol, sortText, replacementToken, contextToken, location, sourceFile, host, program, name, needsConvertPropertyAccess, origin, recommendedCompletion, propertyAccessToConvert, isJsxInitializer, importCompletionNode, useSemicolons, options, preferences, completionKind, formatContext, isJsxIdentifierExpected, isRightOfOpenTag) { + var _a, _b; + var insertText; + var replacementSpan = ts.getReplacementSpanForContextToken(replacementToken); + var data; + var isSnippet; + var source = getSourceFromOrigin(origin); + var sourceDisplay; + var hasAction; + var labelDetails; + var typeChecker = program.getTypeChecker(); + var insertQuestionDot = origin && originIsNullableMember(origin); + var useBraces = origin && originIsSymbolMember(origin) || needsConvertPropertyAccess; + if (origin && originIsThisType(origin)) { + insertText = needsConvertPropertyAccess + ? "this".concat(insertQuestionDot ? "?." : "", "[").concat(quotePropertyName(sourceFile, preferences, name), "]") + : "this".concat(insertQuestionDot ? "?." : ".").concat(name); + } + // We should only have needsConvertPropertyAccess if there's a property access to convert. But see #21790. + // Somehow there was a global with a non-identifier name. Hopefully someone will complain about getting a "foo bar" global completion and provide a repro. + else if ((useBraces || insertQuestionDot) && propertyAccessToConvert) { + insertText = useBraces ? needsConvertPropertyAccess ? "[".concat(quotePropertyName(sourceFile, preferences, name), "]") : "[".concat(name, "]") : name; + if (insertQuestionDot || propertyAccessToConvert.questionDotToken) { + insertText = "?.".concat(insertText); + } + var dot = ts.findChildOfKind(propertyAccessToConvert, 24 /* SyntaxKind.DotToken */, sourceFile) || + ts.findChildOfKind(propertyAccessToConvert, 28 /* SyntaxKind.QuestionDotToken */, sourceFile); + if (!dot) { + return undefined; + } + // If the text after the '.' starts with this name, write over it. Else, add new text. + var end = ts.startsWith(name, propertyAccessToConvert.name.text) ? propertyAccessToConvert.name.end : dot.end; + replacementSpan = ts.createTextSpanFromBounds(dot.getStart(sourceFile), end); + } + if (isJsxInitializer) { + if (insertText === undefined) + insertText = name; + insertText = "{".concat(insertText, "}"); + if (typeof isJsxInitializer !== "boolean") { + replacementSpan = ts.createTextSpanFromNode(isJsxInitializer, sourceFile); + } + } + if (origin && originIsPromise(origin) && propertyAccessToConvert) { + if (insertText === undefined) + insertText = name; + var precedingToken = ts.findPrecedingToken(propertyAccessToConvert.pos, sourceFile); + var awaitText = ""; + if (precedingToken && ts.positionIsASICandidate(precedingToken.end, precedingToken.parent, sourceFile)) { + awaitText = ";"; + } + awaitText += "(await ".concat(propertyAccessToConvert.expression.getText(), ")"); + insertText = needsConvertPropertyAccess ? "".concat(awaitText).concat(insertText) : "".concat(awaitText).concat(insertQuestionDot ? "?." : ".").concat(insertText); + replacementSpan = ts.createTextSpanFromBounds(propertyAccessToConvert.getStart(sourceFile), propertyAccessToConvert.end); + } + if (originIsResolvedExport(origin)) { + sourceDisplay = [ts.textPart(origin.moduleSpecifier)]; + if (importCompletionNode) { + (_a = getInsertTextAndReplacementSpanForImportCompletion(name, importCompletionNode, contextToken, origin, useSemicolons, options, preferences), insertText = _a.insertText, replacementSpan = _a.replacementSpan); + isSnippet = preferences.includeCompletionsWithSnippetText ? true : undefined; + } + } + if ((origin === null || origin === void 0 ? void 0 : origin.kind) === 64 /* SymbolOriginInfoKind.TypeOnlyAlias */) { + hasAction = true; + } + if (preferences.includeCompletionsWithClassMemberSnippets && + preferences.includeCompletionsWithInsertText && + completionKind === 3 /* CompletionKind.MemberLike */ && + isClassLikeMemberCompletion(symbol, location)) { + var importAdder = void 0; + (_b = getEntryForMemberCompletion(host, program, options, preferences, name, symbol, location, contextToken, formatContext), insertText = _b.insertText, isSnippet = _b.isSnippet, importAdder = _b.importAdder, replacementSpan = _b.replacementSpan); + sortText = Completions.SortText.ClassMemberSnippets; // sortText has to be lower priority than the sortText for keywords. See #47852. + if (importAdder === null || importAdder === void 0 ? void 0 : importAdder.hasFixes()) { + hasAction = true; + source = CompletionSource.ClassMemberSnippet; + } + } + if (origin && originIsObjectLiteralMethod(origin)) { + (insertText = origin.insertText, isSnippet = origin.isSnippet, labelDetails = origin.labelDetails); + if (!preferences.useLabelDetailsInCompletionEntries) { + name = name + labelDetails.detail; + labelDetails = undefined; + } + source = CompletionSource.ObjectLiteralMethodSnippet; + sortText = Completions.SortText.SortBelow(sortText); + } + if (isJsxIdentifierExpected && !isRightOfOpenTag && preferences.includeCompletionsWithSnippetText && preferences.jsxAttributeCompletionStyle && preferences.jsxAttributeCompletionStyle !== "none") { + var useBraces_1 = preferences.jsxAttributeCompletionStyle === "braces"; + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + // If is boolean like or undefined, don't return a snippet we want just to return the completion. + if (preferences.jsxAttributeCompletionStyle === "auto" + && !(type.flags & 528 /* TypeFlags.BooleanLike */) + && !(type.flags & 1048576 /* TypeFlags.Union */ && ts.find(type.types, function (type) { return !!(type.flags & 528 /* TypeFlags.BooleanLike */); }))) { + if (type.flags & 402653316 /* TypeFlags.StringLike */ || (type.flags & 1048576 /* TypeFlags.Union */ && ts.every(type.types, function (type) { return !!(type.flags & (402653316 /* TypeFlags.StringLike */ | 32768 /* TypeFlags.Undefined */)); }))) { + // If is string like or undefined use quotes + insertText = "".concat(ts.escapeSnippetText(name), "=").concat(ts.quote(sourceFile, preferences, "$1")); + isSnippet = true; + } + else { + // Use braces for everything else + useBraces_1 = true; + } + } + if (useBraces_1) { + insertText = "".concat(ts.escapeSnippetText(name), "={$1}"); + isSnippet = true; + } + } + if (insertText !== undefined && !preferences.includeCompletionsWithInsertText) { + return undefined; + } + if (originIsExport(origin) || originIsResolvedExport(origin)) { + data = originToCompletionEntryData(origin); + hasAction = !importCompletionNode; + } + // TODO(drosen): Right now we just permit *all* semantic meanings when calling + // 'getSymbolKind' which is permissible given that it is backwards compatible; but + // really we should consider passing the meaning for the node so that we don't report + // that a suggestion for a value is an interface. We COULD also just do what + // 'getSymbolModifiers' does, which is to use the first declaration. + // Use a 'sortText' of 0' so that all symbol completion entries come before any other + // entries (like JavaScript identifier entries). + return { + name: name, + kind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, location), + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(typeChecker, symbol), + sortText: sortText, + source: source, + hasAction: hasAction ? true : undefined, + isRecommended: isRecommendedCompletionMatch(symbol, recommendedCompletion, typeChecker) || undefined, + insertText: insertText, + replacementSpan: replacementSpan, + sourceDisplay: sourceDisplay, + labelDetails: labelDetails, + isSnippet: isSnippet, + isPackageJsonImport: originIsPackageJsonImport(origin) || undefined, + isImportStatementCompletion: !!importCompletionNode || undefined, + data: data, + }; + } + function isClassLikeMemberCompletion(symbol, location) { + // TODO: support JS files. + if (ts.isInJSFile(location)) { + return false; + } + // Completion symbol must be for a class member. + var memberFlags = 106500 /* SymbolFlags.ClassMember */ + & 900095 /* SymbolFlags.EnumMemberExcludes */; + /* In + `class C { + | + }` + `location` is a class-like declaration. + In + `class C { + m| + }` + `location` is an identifier, + `location.parent` is a class element declaration, + and `location.parent.parent` is a class-like declaration. + In + `abstract class C { + abstract + abstract m| + }` + `location` is a syntax list (with modifiers as children), + and `location.parent` is a class-like declaration. + */ + return !!(symbol.flags & memberFlags) && + (ts.isClassLike(location) || + (location.parent && + location.parent.parent && + ts.isClassElement(location.parent) && + location === location.parent.name && + ts.isClassLike(location.parent.parent)) || + (location.parent && + ts.isSyntaxList(location) && + ts.isClassLike(location.parent))); + } + function getEntryForMemberCompletion(host, program, options, preferences, name, symbol, location, contextToken, formatContext) { + var classLikeDeclaration = ts.findAncestor(location, ts.isClassLike); + if (!classLikeDeclaration) { + return { insertText: name }; + } + var isSnippet; + var replacementSpan; + var insertText = name; + var checker = program.getTypeChecker(); + var sourceFile = location.getSourceFile(); + var printer = createSnippetPrinter({ + removeComments: true, + module: options.module, + target: options.target, + omitTrailingSemicolon: false, + newLine: ts.getNewLineKind(ts.getNewLineCharacter(options, ts.maybeBind(host, host.getNewLine))), + }); + var importAdder = ts.codefix.createImportAdder(sourceFile, program, preferences, host); + // Create empty body for possible method implementation. + var body; + if (preferences.includeCompletionsWithSnippetText) { + isSnippet = true; + // We are adding a tabstop (i.e. `$0`) in the body of the suggested member, + // if it has one, so that the cursor ends up in the body once the completion is inserted. + // Note: this assumes we won't have more than one body in the completion nodes, which should be the case. + var emptyStmt = ts.factory.createEmptyStatement(); + body = ts.factory.createBlock([emptyStmt], /* multiline */ true); + ts.setSnippetElement(emptyStmt, { kind: 0 /* SnippetKind.TabStop */, order: 0 }); + } + else { + body = ts.factory.createBlock([], /* multiline */ true); + } + var modifiers = 0 /* ModifierFlags.None */; + // Whether the suggested member should be abstract. + // e.g. in `abstract class C { abstract | }`, we should offer abstract method signatures at position `|`. + var _a = getPresentModifiers(contextToken), presentModifiers = _a.modifiers, modifiersSpan = _a.span; + var isAbstract = !!(presentModifiers & 128 /* ModifierFlags.Abstract */); + var completionNodes = []; + ts.codefix.addNewNodeForMemberSymbol(symbol, classLikeDeclaration, sourceFile, { program: program, host: host }, preferences, importAdder, + // `addNewNodeForMemberSymbol` calls this callback function for each new member node + // it adds for the given member symbol. + // We store these member nodes in the `completionNodes` array. + // Note: there might be: + // - No nodes if `addNewNodeForMemberSymbol` cannot figure out a node for the member; + // - One node; + // - More than one node if the member is overloaded (e.g. a method with overload signatures). + function (node) { + var requiredModifiers = 0 /* ModifierFlags.None */; + if (isAbstract) { + requiredModifiers |= 128 /* ModifierFlags.Abstract */; + } + if (ts.isClassElement(node) + && checker.getMemberOverrideModifierStatus(classLikeDeclaration, node) === 1 /* MemberOverrideStatus.NeedsOverride */) { + requiredModifiers |= 16384 /* ModifierFlags.Override */; + } + if (!completionNodes.length) { + // Keep track of added missing required modifiers and modifiers already present. + // This is needed when we have overloaded signatures, + // so this callback will be called for multiple nodes/signatures, + // and we need to make sure the modifiers are uniform for all nodes/signatures. + modifiers = node.modifierFlagsCache | requiredModifiers | presentModifiers; + } + node = ts.factory.updateModifiers(node, modifiers); + completionNodes.push(node); + }, body, 2 /* codefix.PreserveOptionalFlags.Property */, isAbstract); + if (completionNodes.length) { + var format = 1 /* ListFormat.MultiLine */ | 131072 /* ListFormat.NoTrailingNewLine */; + replacementSpan = modifiersSpan; + // If we have access to formatting settings, we print the nodes using the emitter, + // and then format the printed text. + if (formatContext) { + insertText = printer.printAndFormatSnippetList(format, ts.factory.createNodeArray(completionNodes), sourceFile, formatContext); + } + else { // Otherwise, just use emitter to print the new nodes. + insertText = printer.printSnippetList(format, ts.factory.createNodeArray(completionNodes), sourceFile); + } + } + return { insertText: insertText, isSnippet: isSnippet, importAdder: importAdder, replacementSpan: replacementSpan }; + } + function getPresentModifiers(contextToken) { + if (!contextToken) { + return { modifiers: 0 /* ModifierFlags.None */ }; + } + var modifiers = 0 /* ModifierFlags.None */; + var span; + var contextMod; + /* + Cases supported: + In + `class C { + public abstract | + }` + `contextToken` is ``abstract`` (as an identifier), + `contextToken.parent` is property declaration, + `location` is class declaration ``class C { ... }``. + In + `class C { + protected override m| + }` + `contextToken` is ``override`` (as a keyword), + `contextToken.parent` is property declaration, + `location` is identifier ``m``, + `location.parent` is property declaration ``protected override m``, + `location.parent.parent` is class declaration ``class C { ... }``. + */ + if (contextMod = isModifierLike(contextToken)) { + modifiers |= ts.modifierToFlag(contextMod); + span = ts.createTextSpanFromNode(contextToken); + } + if (ts.isPropertyDeclaration(contextToken.parent)) { + modifiers |= ts.modifiersToFlags(contextToken.parent.modifiers); + span = ts.createTextSpanFromNode(contextToken.parent); + } + return { modifiers: modifiers, span: span }; + } + function isModifierLike(node) { + if (ts.isModifier(node)) { + return node.kind; + } + if (ts.isIdentifier(node) && node.originalKeywordKind && ts.isModifierKind(node.originalKeywordKind)) { + return node.originalKeywordKind; + } + return undefined; + } + function getEntryForObjectLiteralMethodCompletion(symbol, name, enclosingDeclaration, program, host, options, preferences, formatContext) { + var isSnippet = preferences.includeCompletionsWithSnippetText || undefined; + var insertText = name; + var sourceFile = enclosingDeclaration.getSourceFile(); + var method = createObjectLiteralMethod(symbol, enclosingDeclaration, sourceFile, program, host, preferences); + if (!method) { + return undefined; + } + var printer = createSnippetPrinter({ + removeComments: true, + module: options.module, + target: options.target, + omitTrailingSemicolon: false, + newLine: ts.getNewLineKind(ts.getNewLineCharacter(options, ts.maybeBind(host, host.getNewLine))), + }); + if (formatContext) { + insertText = printer.printAndFormatSnippetList(16 /* ListFormat.CommaDelimited */ | 64 /* ListFormat.AllowTrailingComma */, ts.factory.createNodeArray([method], /*hasTrailingComma*/ true), sourceFile, formatContext); + } + else { + insertText = printer.printSnippetList(16 /* ListFormat.CommaDelimited */ | 64 /* ListFormat.AllowTrailingComma */, ts.factory.createNodeArray([method], /*hasTrailingComma*/ true), sourceFile); + } + var signaturePrinter = ts.createPrinter({ + removeComments: true, + module: options.module, + target: options.target, + omitTrailingSemicolon: true, + }); + // The `labelDetails.detail` will be displayed right beside the method name, + // so we drop the name (and modifiers) from the signature. + var methodSignature = ts.factory.createMethodSignature( + /*modifiers*/ undefined, + /*name*/ "", method.questionToken, method.typeParameters, method.parameters, method.type); + var labelDetails = { detail: signaturePrinter.printNode(4 /* EmitHint.Unspecified */, methodSignature, sourceFile) }; + return { isSnippet: isSnippet, insertText: insertText, labelDetails: labelDetails }; + } + ; + function createObjectLiteralMethod(symbol, enclosingDeclaration, sourceFile, program, host, preferences) { + var declarations = symbol.getDeclarations(); + if (!(declarations && declarations.length)) { + return undefined; + } + var checker = program.getTypeChecker(); + var declaration = declarations[0]; + var name = ts.getSynthesizedDeepClone(ts.getNameOfDeclaration(declaration), /*includeTrivia*/ false); + var type = checker.getWidenedType(checker.getTypeOfSymbolAtLocation(symbol, enclosingDeclaration)); + var quotePreference = ts.getQuotePreference(sourceFile, preferences); + var builderFlags = quotePreference === 0 /* QuotePreference.Single */ ? 268435456 /* NodeBuilderFlags.UseSingleQuotesForStringLiteralType */ : undefined; + switch (declaration.kind) { + case 166 /* SyntaxKind.PropertySignature */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 169 /* SyntaxKind.MethodDeclaration */: { + var effectiveType = type.flags & 1048576 /* TypeFlags.Union */ && type.types.length < 10 + ? checker.getUnionType(type.types, 2 /* UnionReduction.Subtype */) + : type; + if (effectiveType.flags & 1048576 /* TypeFlags.Union */) { + // Only offer the completion if there's a single function type component. + var functionTypes = ts.filter(effectiveType.types, function (type) { return checker.getSignaturesOfType(type, 0 /* SignatureKind.Call */).length > 0; }); + if (functionTypes.length === 1) { + effectiveType = functionTypes[0]; + } + else { + return undefined; + } + } + var signatures = checker.getSignaturesOfType(effectiveType, 0 /* SignatureKind.Call */); + if (signatures.length !== 1) { + // We don't support overloads in object literals. + return undefined; + } + var typeNode = checker.typeToTypeNode(effectiveType, enclosingDeclaration, builderFlags, ts.codefix.getNoopSymbolTrackerWithResolver({ program: program, host: host })); + if (!typeNode || !ts.isFunctionTypeNode(typeNode)) { + return undefined; + } + var body = void 0; + if (preferences.includeCompletionsWithSnippetText) { + var emptyStmt = ts.factory.createEmptyStatement(); + body = ts.factory.createBlock([emptyStmt], /* multiline */ true); + ts.setSnippetElement(emptyStmt, { kind: 0 /* SnippetKind.TabStop */, order: 0 }); + } + else { + body = ts.factory.createBlock([], /* multiline */ true); + } + var parameters = typeNode.parameters.map(function (typedParam) { + return ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, typedParam.dotDotDotToken, typedParam.name, typedParam.questionToken, + /*type*/ undefined, typedParam.initializer); + }); + return ts.factory.createMethodDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, name, + /*questionToken*/ undefined, + /*typeParameters*/ undefined, parameters, + /*type*/ undefined, body); + } + default: + return undefined; + } + } + function createSnippetPrinter(printerOptions) { + var escapes; + var baseWriter = ts.textChanges.createWriter(ts.getNewLineCharacter(printerOptions)); + var printer = ts.createPrinter(printerOptions, baseWriter); + var writer = __assign(__assign({}, baseWriter), { write: function (s) { return escapingWrite(s, function () { return baseWriter.write(s); }); }, nonEscapingWrite: baseWriter.write, writeLiteral: function (s) { return escapingWrite(s, function () { return baseWriter.writeLiteral(s); }); }, writeStringLiteral: function (s) { return escapingWrite(s, function () { return baseWriter.writeStringLiteral(s); }); }, writeSymbol: function (s, symbol) { return escapingWrite(s, function () { return baseWriter.writeSymbol(s, symbol); }); }, writeParameter: function (s) { return escapingWrite(s, function () { return baseWriter.writeParameter(s); }); }, writeComment: function (s) { return escapingWrite(s, function () { return baseWriter.writeComment(s); }); }, writeProperty: function (s) { return escapingWrite(s, function () { return baseWriter.writeProperty(s); }); } }); + return { + printSnippetList: printSnippetList, + printAndFormatSnippetList: printAndFormatSnippetList, + }; + // The formatter/scanner will have issues with snippet-escaped text, + // so instead of writing the escaped text directly to the writer, + // generate a set of changes that can be applied to the unescaped text + // to escape it post-formatting. + function escapingWrite(s, write) { + var escaped = ts.escapeSnippetText(s); + if (escaped !== s) { + var start = baseWriter.getTextPos(); + write(); + var end = baseWriter.getTextPos(); + escapes = ts.append(escapes || (escapes = []), { newText: escaped, span: { start: start, length: end - start } }); + } + else { + write(); + } + } + /* Snippet-escaping version of `printer.printList`. */ + function printSnippetList(format, list, sourceFile) { + var unescaped = printUnescapedSnippetList(format, list, sourceFile); + return escapes ? ts.textChanges.applyChanges(unescaped, escapes) : unescaped; + } + function printUnescapedSnippetList(format, list, sourceFile) { + escapes = undefined; + writer.clear(); + printer.writeList(format, list, sourceFile, writer); + return writer.getText(); + } + function printAndFormatSnippetList(format, list, sourceFile, formatContext) { + var syntheticFile = { + text: printUnescapedSnippetList(format, list, sourceFile), + getLineAndCharacterOfPosition: function (pos) { + return ts.getLineAndCharacterOfPosition(this, pos); + }, + }; + var formatOptions = ts.getFormatCodeSettingsForWriting(formatContext, sourceFile); + var changes = ts.flatMap(list, function (node) { + var nodeWithPos = ts.textChanges.assignPositionsToNode(node); + return ts.formatting.formatNodeGivenIndentation(nodeWithPos, syntheticFile, sourceFile.languageVariant, + /* indentation */ 0, + /* delta */ 0, __assign(__assign({}, formatContext), { options: formatOptions })); + }); + var allChanges = escapes + ? ts.stableSort(ts.concatenate(changes, escapes), function (a, b) { return ts.compareTextSpans(a.span, b.span); }) + : changes; + return ts.textChanges.applyChanges(syntheticFile.text, allChanges); + } + } + function originToCompletionEntryData(origin) { + var ambientModuleName = origin.fileName ? undefined : ts.stripQuotes(origin.moduleSymbol.name); + var isPackageJsonImport = origin.isFromPackageJson ? true : undefined; + if (originIsResolvedExport(origin)) { + var resolvedData = { + exportName: origin.exportName, + moduleSpecifier: origin.moduleSpecifier, + ambientModuleName: ambientModuleName, + fileName: origin.fileName, + isPackageJsonImport: isPackageJsonImport, + }; + return resolvedData; + } + var unresolvedData = { + exportName: origin.exportName, + exportMapKey: origin.exportMapKey, + fileName: origin.fileName, + ambientModuleName: origin.fileName ? undefined : ts.stripQuotes(origin.moduleSymbol.name), + isPackageJsonImport: origin.isFromPackageJson ? true : undefined, + }; + return unresolvedData; + } + function completionEntryDataToSymbolOriginInfo(data, completionName, moduleSymbol) { + var isDefaultExport = data.exportName === "default" /* InternalSymbolName.Default */; + var isFromPackageJson = !!data.isPackageJsonImport; + if (completionEntryDataIsResolved(data)) { + var resolvedOrigin = { + kind: 32 /* SymbolOriginInfoKind.ResolvedExport */, + exportName: data.exportName, + moduleSpecifier: data.moduleSpecifier, + symbolName: completionName, + fileName: data.fileName, + moduleSymbol: moduleSymbol, + isDefaultExport: isDefaultExport, + isFromPackageJson: isFromPackageJson, + }; + return resolvedOrigin; + } + var unresolvedOrigin = { + kind: 4 /* SymbolOriginInfoKind.Export */, + exportName: data.exportName, + exportMapKey: data.exportMapKey, + symbolName: completionName, + fileName: data.fileName, + moduleSymbol: moduleSymbol, + isDefaultExport: isDefaultExport, + isFromPackageJson: isFromPackageJson, + }; + return unresolvedOrigin; + } + function getInsertTextAndReplacementSpanForImportCompletion(name, importCompletionNode, contextToken, origin, useSemicolons, options, preferences) { + var _a, _b, _c; + var sourceFile = importCompletionNode.getSourceFile(); + var replacementSpan = ts.createTextSpanFromNode(ts.findAncestor(importCompletionNode, ts.or(ts.isImportDeclaration, ts.isImportEqualsDeclaration)) || importCompletionNode, sourceFile); + var quotedModuleSpecifier = ts.quote(sourceFile, preferences, origin.moduleSpecifier); + var exportKind = origin.isDefaultExport ? 1 /* ExportKind.Default */ : + origin.exportName === "export=" /* InternalSymbolName.ExportEquals */ ? 2 /* ExportKind.ExportEquals */ : + 0 /* ExportKind.Named */; + var tabStop = preferences.includeCompletionsWithSnippetText ? "$1" : ""; + var importKind = ts.codefix.getImportKind(sourceFile, exportKind, options, /*forceImportKeyword*/ true); + var isTopLevelTypeOnly = ((_b = (_a = ts.tryCast(importCompletionNode, ts.isImportDeclaration)) === null || _a === void 0 ? void 0 : _a.importClause) === null || _b === void 0 ? void 0 : _b.isTypeOnly) || ((_c = ts.tryCast(importCompletionNode, ts.isImportEqualsDeclaration)) === null || _c === void 0 ? void 0 : _c.isTypeOnly); + var isImportSpecifierTypeOnly = couldBeTypeOnlyImportSpecifier(importCompletionNode, contextToken); + var topLevelTypeOnlyText = isTopLevelTypeOnly ? " ".concat(ts.tokenToString(152 /* SyntaxKind.TypeKeyword */), " ") : " "; + var importSpecifierTypeOnlyText = isImportSpecifierTypeOnly ? "".concat(ts.tokenToString(152 /* SyntaxKind.TypeKeyword */), " ") : ""; + var suffix = useSemicolons ? ";" : ""; + switch (importKind) { + case 3 /* ImportKind.CommonJS */: return { replacementSpan: replacementSpan, insertText: "import".concat(topLevelTypeOnlyText).concat(ts.escapeSnippetText(name)).concat(tabStop, " = require(").concat(quotedModuleSpecifier, ")").concat(suffix) }; + case 1 /* ImportKind.Default */: return { replacementSpan: replacementSpan, insertText: "import".concat(topLevelTypeOnlyText).concat(ts.escapeSnippetText(name)).concat(tabStop, " from ").concat(quotedModuleSpecifier).concat(suffix) }; + case 2 /* ImportKind.Namespace */: return { replacementSpan: replacementSpan, insertText: "import".concat(topLevelTypeOnlyText, "* as ").concat(ts.escapeSnippetText(name), " from ").concat(quotedModuleSpecifier).concat(suffix) }; + case 0 /* ImportKind.Named */: return { replacementSpan: replacementSpan, insertText: "import".concat(topLevelTypeOnlyText, "{ ").concat(importSpecifierTypeOnlyText).concat(ts.escapeSnippetText(name)).concat(tabStop, " } from ").concat(quotedModuleSpecifier).concat(suffix) }; + } + } + function quotePropertyName(sourceFile, preferences, name) { + if (/^\d+$/.test(name)) { + return name; + } + return ts.quote(sourceFile, preferences, name); + } + function isRecommendedCompletionMatch(localSymbol, recommendedCompletion, checker) { + return localSymbol === recommendedCompletion || + !!(localSymbol.flags & 1048576 /* SymbolFlags.ExportValue */) && checker.getExportSymbolOfSymbol(localSymbol) === recommendedCompletion; + } + function getSourceFromOrigin(origin) { + if (originIsExport(origin)) { + return ts.stripQuotes(origin.moduleSymbol.name); + } + if (originIsResolvedExport(origin)) { + return origin.moduleSpecifier; + } + if ((origin === null || origin === void 0 ? void 0 : origin.kind) === 1 /* SymbolOriginInfoKind.ThisType */) { + return CompletionSource.ThisProperty; + } + if ((origin === null || origin === void 0 ? void 0 : origin.kind) === 64 /* SymbolOriginInfoKind.TypeOnlyAlias */) { + return CompletionSource.TypeOnlyAlias; + } + } + function getCompletionEntriesFromSymbols(symbols, entries, replacementToken, contextToken, location, sourceFile, host, program, target, log, kind, preferences, compilerOptions, formatContext, isTypeOnlyLocation, propertyAccessToConvert, jsxIdentifierExpected, isJsxInitializer, importCompletionNode, recommendedCompletion, symbolToOriginInfoMap, symbolToSortTextMap, isJsxIdentifierExpected, isRightOfOpenTag) { + var _a; + var start = ts.timestamp(); + var variableDeclaration = getVariableDeclaration(location); + var useSemicolons = ts.probablyUsesSemicolons(sourceFile); + var typeChecker = program.getTypeChecker(); + // Tracks unique names. + // Value is set to false for global variables or completions from external module exports, because we can have multiple of those; + // true otherwise. Based on the order we add things we will always see locals first, then globals, then module exports. + // So adding a completion for a local will prevent us from adding completions for external module exports sharing the same name. + var uniques = new ts.Map(); + for (var i = 0; i < symbols.length; i++) { + var symbol = symbols[i]; + var origin = symbolToOriginInfoMap === null || symbolToOriginInfoMap === void 0 ? void 0 : symbolToOriginInfoMap[i]; + var info = getCompletionEntryDisplayNameForSymbol(symbol, target, origin, kind, !!jsxIdentifierExpected); + if (!info || (uniques.get(info.name) && (!origin || !originIsObjectLiteralMethod(origin))) || kind === 1 /* CompletionKind.Global */ && symbolToSortTextMap && !shouldIncludeSymbol(symbol, symbolToSortTextMap)) { + continue; + } + var name = info.name, needsConvertPropertyAccess = info.needsConvertPropertyAccess; + var originalSortText = (_a = symbolToSortTextMap === null || symbolToSortTextMap === void 0 ? void 0 : symbolToSortTextMap[ts.getSymbolId(symbol)]) !== null && _a !== void 0 ? _a : Completions.SortText.LocationPriority; + var sortText = (isDeprecated(symbol, typeChecker) ? Completions.SortText.Deprecated(originalSortText) : originalSortText); + var entry = createCompletionEntry(symbol, sortText, replacementToken, contextToken, location, sourceFile, host, program, name, needsConvertPropertyAccess, origin, recommendedCompletion, propertyAccessToConvert, isJsxInitializer, importCompletionNode, useSemicolons, compilerOptions, preferences, kind, formatContext, isJsxIdentifierExpected, isRightOfOpenTag); + if (!entry) { + continue; + } + /** True for locals; false for globals, module exports from other files, `this.` completions. */ + var shouldShadowLaterSymbols = (!origin || originIsTypeOnlyAlias(origin)) && !(symbol.parent === undefined && !ts.some(symbol.declarations, function (d) { return d.getSourceFile() === location.getSourceFile(); })); + uniques.set(name, shouldShadowLaterSymbols); + ts.insertSorted(entries, entry, compareCompletionEntries, /*allowDuplicates*/ true); + } + log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (ts.timestamp() - start)); + // Prevent consumers of this map from having to worry about + // the boolean value. Externally, it should be seen as the + // set of all names. + return { + has: function (name) { return uniques.has(name); }, + add: function (name) { return uniques.set(name, true); }, + }; + function shouldIncludeSymbol(symbol, symbolToSortTextMap) { + var allFlags = symbol.flags; + if (!ts.isSourceFile(location)) { + // export = /**/ here we want to get all meanings, so any symbol is ok + if (ts.isExportAssignment(location.parent)) { + return true; + } + // Filter out variables from their own initializers + // `const a = /* no 'a' here */` + if (variableDeclaration && symbol.valueDeclaration === variableDeclaration) { + return false; + } + // External modules can have global export declarations that will be + // available as global keywords in all scopes. But if the external module + // already has an explicit export and user only wants to user explicit + // module imports then the global keywords will be filtered out so auto + // import suggestions will win in the completion + var symbolOrigin = ts.skipAlias(symbol, typeChecker); + // We only want to filter out the global keywords + // Auto Imports are not available for scripts so this conditional is always false + if (!!sourceFile.externalModuleIndicator + && !compilerOptions.allowUmdGlobalAccess + && symbolToSortTextMap[ts.getSymbolId(symbol)] === Completions.SortText.GlobalsOrKeywords + && (symbolToSortTextMap[ts.getSymbolId(symbolOrigin)] === Completions.SortText.AutoImportSuggestions + || symbolToSortTextMap[ts.getSymbolId(symbolOrigin)] === Completions.SortText.LocationPriority)) { + return false; + } + allFlags |= ts.getCombinedLocalAndExportSymbolFlags(symbolOrigin); + // import m = /**/ <-- It can only access namespace (if typing import = x. this would get member symbols and not namespace) + if (ts.isInRightSideOfInternalImportEqualsDeclaration(location)) { + return !!(allFlags & 1920 /* SymbolFlags.Namespace */); + } + if (isTypeOnlyLocation) { + // It's a type, but you can reach it by namespace.type as well + return symbolCanBeReferencedAtTypeLocation(symbol, typeChecker); + } + } + // expressions are value space (which includes the value namespaces) + return !!(allFlags & 111551 /* SymbolFlags.Value */); + } + } + Completions.getCompletionEntriesFromSymbols = getCompletionEntriesFromSymbols; + function getLabelCompletionAtPosition(node) { + var entries = getLabelStatementCompletions(node); + if (entries.length) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries }; + } + } + function getLabelStatementCompletions(node) { + var entries = []; + var uniques = new ts.Map(); + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (ts.isLabeledStatement(current)) { + var name = current.label.text; + if (!uniques.has(name)) { + uniques.set(name, true); + entries.push({ + name: name, + kindModifiers: "" /* ScriptElementKindModifier.none */, + kind: "label" /* ScriptElementKind.label */, + sortText: Completions.SortText.LocationPriority + }); + } + } + current = current.parent; + } + return entries; + } + function getSymbolCompletionFromEntryId(program, log, sourceFile, position, entryId, host, preferences) { + if (entryId.data) { + var autoImport = getAutoImportSymbolFromCompletionEntryData(entryId.name, entryId.data, program, host); + if (autoImport) { + var _a = getRelevantTokens(position, sourceFile), contextToken_1 = _a.contextToken, previousToken_1 = _a.previousToken; + return { + type: "symbol", + symbol: autoImport.symbol, + location: ts.getTouchingPropertyName(sourceFile, position), + previousToken: previousToken_1, + contextToken: contextToken_1, + isJsxInitializer: false, + isTypeOnlyLocation: false, + origin: autoImport.origin, + }; + } + } + var compilerOptions = program.getCompilerOptions(); + var completionData = getCompletionData(program, log, sourceFile, compilerOptions, position, { includeCompletionsForModuleExports: true, includeCompletionsWithInsertText: true }, entryId, host, /*formatContext*/ undefined); + if (!completionData) { + return { type: "none" }; + } + if (completionData.kind !== 0 /* CompletionDataKind.Data */) { + return { type: "request", request: completionData }; + } + var symbols = completionData.symbols, literals = completionData.literals, location = completionData.location, completionKind = completionData.completionKind, symbolToOriginInfoMap = completionData.symbolToOriginInfoMap, contextToken = completionData.contextToken, previousToken = completionData.previousToken, isJsxInitializer = completionData.isJsxInitializer, isTypeOnlyLocation = completionData.isTypeOnlyLocation; + var literal = ts.find(literals, function (l) { return completionNameForLiteral(sourceFile, preferences, l) === entryId.name; }); + if (literal !== undefined) + return { type: "literal", literal: literal }; + // Find the symbol with the matching entry name. + // We don't need to perform character checks here because we're only comparing the + // name against 'entryName' (which is known to be good), not building a new + // completion entry. + return ts.firstDefined(symbols, function (symbol, index) { + var origin = symbolToOriginInfoMap[index]; + var info = getCompletionEntryDisplayNameForSymbol(symbol, ts.getEmitScriptTarget(compilerOptions), origin, completionKind, completionData.isJsxIdentifierExpected); + return info && info.name === entryId.name && (entryId.source === CompletionSource.ClassMemberSnippet && symbol.flags & 106500 /* SymbolFlags.ClassMember */ + || entryId.source === CompletionSource.ObjectLiteralMethodSnippet && symbol.flags & (4 /* SymbolFlags.Property */ | 8192 /* SymbolFlags.Method */) + || getSourceFromOrigin(origin) === entryId.source) + ? { type: "symbol", symbol: symbol, location: location, origin: origin, contextToken: contextToken, previousToken: previousToken, isJsxInitializer: isJsxInitializer, isTypeOnlyLocation: isTypeOnlyLocation } + : undefined; + }) || { type: "none" }; + } + function getCompletionEntryDetails(program, log, sourceFile, position, entryId, host, formatContext, preferences, cancellationToken) { + var typeChecker = program.getTypeChecker(); + var compilerOptions = program.getCompilerOptions(); + var name = entryId.name, source = entryId.source, data = entryId.data; + var contextToken = ts.findPrecedingToken(position, sourceFile); + if (ts.isInString(sourceFile, position, contextToken)) { + return Completions.StringCompletions.getStringLiteralCompletionDetails(name, sourceFile, position, contextToken, typeChecker, compilerOptions, host, cancellationToken, preferences); + } + // Compute all the completion symbols again. + var symbolCompletion = getSymbolCompletionFromEntryId(program, log, sourceFile, position, entryId, host, preferences); + switch (symbolCompletion.type) { + case "request": { + var request = symbolCompletion.request; + switch (request.kind) { + case 1 /* CompletionDataKind.JsDocTagName */: + return ts.JsDoc.getJSDocTagNameCompletionDetails(name); + case 2 /* CompletionDataKind.JsDocTag */: + return ts.JsDoc.getJSDocTagCompletionDetails(name); + case 3 /* CompletionDataKind.JsDocParameterName */: + return ts.JsDoc.getJSDocParameterNameCompletionDetails(name); + case 4 /* CompletionDataKind.Keywords */: + return ts.some(request.keywordCompletions, function (c) { return c.name === name; }) ? createSimpleDetails(name, "keyword" /* ScriptElementKind.keyword */, ts.SymbolDisplayPartKind.keyword) : undefined; + default: + return ts.Debug.assertNever(request); + } + } + case "symbol": { + var symbol = symbolCompletion.symbol, location = symbolCompletion.location, contextToken_2 = symbolCompletion.contextToken, origin = symbolCompletion.origin, previousToken = symbolCompletion.previousToken; + var _a = getCompletionEntryCodeActionsAndSourceDisplay(name, location, contextToken_2, origin, symbol, program, host, compilerOptions, sourceFile, position, previousToken, formatContext, preferences, data, source), codeActions = _a.codeActions, sourceDisplay = _a.sourceDisplay; + return createCompletionDetailsForSymbol(symbol, typeChecker, sourceFile, location, cancellationToken, codeActions, sourceDisplay); // TODO: GH#18217 + } + case "literal": { + var literal = symbolCompletion.literal; + return createSimpleDetails(completionNameForLiteral(sourceFile, preferences, literal), "string" /* ScriptElementKind.string */, typeof literal === "string" ? ts.SymbolDisplayPartKind.stringLiteral : ts.SymbolDisplayPartKind.numericLiteral); + } + case "none": + // Didn't find a symbol with this name. See if we can find a keyword instead. + return allKeywordsCompletions().some(function (c) { return c.name === name; }) ? createSimpleDetails(name, "keyword" /* ScriptElementKind.keyword */, ts.SymbolDisplayPartKind.keyword) : undefined; + default: + ts.Debug.assertNever(symbolCompletion); + } + } + Completions.getCompletionEntryDetails = getCompletionEntryDetails; + function createSimpleDetails(name, kind, kind2) { + return createCompletionDetails(name, "" /* ScriptElementKindModifier.none */, kind, [ts.displayPart(name, kind2)]); + } + function createCompletionDetailsForSymbol(symbol, checker, sourceFile, location, cancellationToken, codeActions, sourceDisplay) { + var _a = checker.runWithCancellationToken(cancellationToken, function (checker) { + return ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, sourceFile, location, location, 7 /* SemanticMeaning.All */); + }), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind, tags = _a.tags; + return createCompletionDetails(symbol.name, ts.SymbolDisplay.getSymbolModifiers(checker, symbol), symbolKind, displayParts, documentation, tags, codeActions, sourceDisplay); + } + Completions.createCompletionDetailsForSymbol = createCompletionDetailsForSymbol; + function createCompletionDetails(name, kindModifiers, kind, displayParts, documentation, tags, codeActions, source) { + return { name: name, kindModifiers: kindModifiers, kind: kind, displayParts: displayParts, documentation: documentation, tags: tags, codeActions: codeActions, source: source, sourceDisplay: source }; + } + Completions.createCompletionDetails = createCompletionDetails; + function getCompletionEntryCodeActionsAndSourceDisplay(name, location, contextToken, origin, symbol, program, host, compilerOptions, sourceFile, position, previousToken, formatContext, preferences, data, source) { + if (data === null || data === void 0 ? void 0 : data.moduleSpecifier) { + if (previousToken && getImportStatementCompletionInfo(contextToken || previousToken).replacementNode) { + // Import statement completion: 'import c|' + return { codeActions: undefined, sourceDisplay: [ts.textPart(data.moduleSpecifier)] }; + } + } + if (source === CompletionSource.ClassMemberSnippet) { + var importAdder = getEntryForMemberCompletion(host, program, compilerOptions, preferences, name, symbol, location, contextToken, formatContext).importAdder; + if (importAdder) { + var changes = ts.textChanges.ChangeTracker.with({ host: host, formatContext: formatContext, preferences: preferences }, importAdder.writeFixes); + return { + sourceDisplay: undefined, + codeActions: [{ + changes: changes, + description: ts.diagnosticToString([ts.Diagnostics.Includes_imports_of_types_referenced_by_0, name]), + }], + }; + } + } + if (originIsTypeOnlyAlias(origin)) { + var codeAction_1 = ts.codefix.getPromoteTypeOnlyCompletionAction(sourceFile, origin.declaration.name, program, host, formatContext, preferences); + ts.Debug.assertIsDefined(codeAction_1, "Expected to have a code action for promoting type-only alias"); + return { codeActions: [codeAction_1], sourceDisplay: undefined }; + } + if (!origin || !(originIsExport(origin) || originIsResolvedExport(origin))) { + return { codeActions: undefined, sourceDisplay: undefined }; + } + var checker = origin.isFromPackageJson ? host.getPackageJsonAutoImportProvider().getTypeChecker() : program.getTypeChecker(); + var moduleSymbol = origin.moduleSymbol; + var targetSymbol = checker.getMergedSymbol(ts.skipAlias(symbol.exportSymbol || symbol, checker)); + var isJsxOpeningTagName = (contextToken === null || contextToken === void 0 ? void 0 : contextToken.kind) === 29 /* SyntaxKind.LessThanToken */ && ts.isJsxOpeningLikeElement(contextToken.parent); + var _a = ts.codefix.getImportCompletionAction(targetSymbol, moduleSymbol, sourceFile, ts.getNameForExportedSymbol(symbol, ts.getEmitScriptTarget(compilerOptions), isJsxOpeningTagName), isJsxOpeningTagName, host, program, formatContext, previousToken && ts.isIdentifier(previousToken) ? previousToken.getStart(sourceFile) : position, preferences), moduleSpecifier = _a.moduleSpecifier, codeAction = _a.codeAction; + ts.Debug.assert(!(data === null || data === void 0 ? void 0 : data.moduleSpecifier) || moduleSpecifier === data.moduleSpecifier); + return { sourceDisplay: [ts.textPart(moduleSpecifier)], codeActions: [codeAction] }; + } + function getCompletionEntrySymbol(program, log, sourceFile, position, entryId, host, preferences) { + var completion = getSymbolCompletionFromEntryId(program, log, sourceFile, position, entryId, host, preferences); + return completion.type === "symbol" ? completion.symbol : undefined; + } + Completions.getCompletionEntrySymbol = getCompletionEntrySymbol; + var CompletionDataKind; + (function (CompletionDataKind) { + CompletionDataKind[CompletionDataKind["Data"] = 0] = "Data"; + CompletionDataKind[CompletionDataKind["JsDocTagName"] = 1] = "JsDocTagName"; + CompletionDataKind[CompletionDataKind["JsDocTag"] = 2] = "JsDocTag"; + CompletionDataKind[CompletionDataKind["JsDocParameterName"] = 3] = "JsDocParameterName"; + CompletionDataKind[CompletionDataKind["Keywords"] = 4] = "Keywords"; + })(CompletionDataKind || (CompletionDataKind = {})); + var CompletionKind; + (function (CompletionKind) { + CompletionKind[CompletionKind["ObjectPropertyDeclaration"] = 0] = "ObjectPropertyDeclaration"; + CompletionKind[CompletionKind["Global"] = 1] = "Global"; + CompletionKind[CompletionKind["PropertyAccess"] = 2] = "PropertyAccess"; + CompletionKind[CompletionKind["MemberLike"] = 3] = "MemberLike"; + CompletionKind[CompletionKind["String"] = 4] = "String"; + CompletionKind[CompletionKind["None"] = 5] = "None"; + })(CompletionKind = Completions.CompletionKind || (Completions.CompletionKind = {})); + function getRecommendedCompletion(previousToken, contextualType, checker) { + // For a union, return the first one with a recommended completion. + return ts.firstDefined(contextualType && (contextualType.isUnion() ? contextualType.types : [contextualType]), function (type) { + var symbol = type && type.symbol; + // Don't include make a recommended completion for an abstract class + return symbol && (symbol.flags & (8 /* SymbolFlags.EnumMember */ | 384 /* SymbolFlags.Enum */ | 32 /* SymbolFlags.Class */) && !ts.isAbstractConstructorSymbol(symbol)) + ? getFirstSymbolInChain(symbol, previousToken, checker) + : undefined; + }); + } + function getContextualType(previousToken, position, sourceFile, checker) { + var parent = previousToken.parent; + switch (previousToken.kind) { + case 79 /* SyntaxKind.Identifier */: + return ts.getContextualTypeFromParent(previousToken, checker); + case 63 /* SyntaxKind.EqualsToken */: + switch (parent.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + return checker.getContextualType(parent.initializer); // TODO: GH#18217 + case 221 /* SyntaxKind.BinaryExpression */: + return checker.getTypeAtLocation(parent.left); + case 285 /* SyntaxKind.JsxAttribute */: + return checker.getContextualTypeForJsxAttribute(parent); + default: + return undefined; + } + case 103 /* SyntaxKind.NewKeyword */: + return checker.getContextualType(parent); + case 82 /* SyntaxKind.CaseKeyword */: + var caseClause = ts.tryCast(parent, ts.isCaseClause); + return caseClause ? ts.getSwitchedType(caseClause, checker) : undefined; + case 18 /* SyntaxKind.OpenBraceToken */: + return ts.isJsxExpression(parent) && !ts.isJsxElement(parent.parent) && !ts.isJsxFragment(parent.parent) ? checker.getContextualTypeForJsxAttribute(parent.parent) : undefined; + default: + var argInfo = ts.SignatureHelp.getArgumentInfoForCompletions(previousToken, position, sourceFile); + return argInfo ? + // At `,`, treat this as the next argument after the comma. + checker.getContextualTypeForArgumentAtIndex(argInfo.invocation, argInfo.argumentIndex + (previousToken.kind === 27 /* SyntaxKind.CommaToken */ ? 1 : 0)) : + ts.isEqualityOperatorKind(previousToken.kind) && ts.isBinaryExpression(parent) && ts.isEqualityOperatorKind(parent.operatorToken.kind) ? + // completion at `x ===/**/` should be for the right side + checker.getTypeAtLocation(parent.left) : + checker.getContextualType(previousToken); + } + } + function getFirstSymbolInChain(symbol, enclosingDeclaration, checker) { + var chain = checker.getAccessibleSymbolChain(symbol, enclosingDeclaration, /*meaning*/ 67108863 /* SymbolFlags.All */, /*useOnlyExternalAliasing*/ false); + if (chain) + return ts.first(chain); + return symbol.parent && (isModuleSymbol(symbol.parent) ? symbol : getFirstSymbolInChain(symbol.parent, enclosingDeclaration, checker)); + } + function isModuleSymbol(symbol) { + var _a; + return !!((_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.some(function (d) { return d.kind === 305 /* SyntaxKind.SourceFile */; })); + } + function getCompletionData(program, log, sourceFile, compilerOptions, position, preferences, detailsEntryId, host, formatContext, cancellationToken) { + var typeChecker = program.getTypeChecker(); + var inUncheckedFile = isUncheckedFile(sourceFile, compilerOptions); + var start = ts.timestamp(); + var currentToken = ts.getTokenAtPosition(sourceFile, position); // TODO: GH#15853 + // We will check for jsdoc comments with insideComment and getJsDocTagAtPosition. (TODO: that seems rather inefficient to check the same thing so many times.) + log("getCompletionData: Get current token: " + (ts.timestamp() - start)); + start = ts.timestamp(); + var insideComment = ts.isInComment(sourceFile, position, currentToken); + log("getCompletionData: Is inside comment: " + (ts.timestamp() - start)); + var insideJsDocTagTypeExpression = false; + var isInSnippetScope = false; + if (insideComment) { + if (ts.hasDocComment(sourceFile, position)) { + if (sourceFile.text.charCodeAt(position - 1) === 64 /* CharacterCodes.at */) { + // The current position is next to the '@' sign, when no tag name being provided yet. + // Provide a full list of tag names + return { kind: 1 /* CompletionDataKind.JsDocTagName */ }; + } + else { + // When completion is requested without "@", we will have check to make sure that + // there are no comments prefix the request position. We will only allow "*" and space. + // e.g + // /** |c| /* + // + // /** + // |c| + // */ + // + // /** + // * |c| + // */ + // + // /** + // * |c| + // */ + var lineStart = ts.getLineStartPositionForPosition(position, sourceFile); + if (!/[^\*|\s(/)]/.test(sourceFile.text.substring(lineStart, position))) { + return { kind: 2 /* CompletionDataKind.JsDocTag */ }; + } + } + } + // Completion should work inside certain JsDoc tags. For example: + // /** @type {number | string} */ + // Completion should work in the brackets + var tag = getJsDocTagAtPosition(currentToken, position); + if (tag) { + if (tag.tagName.pos <= position && position <= tag.tagName.end) { + return { kind: 1 /* CompletionDataKind.JsDocTagName */ }; + } + var typeExpression = tryGetTypeExpressionFromTag(tag); + if (typeExpression) { + currentToken = ts.getTokenAtPosition(sourceFile, position); + if (!currentToken || + (!ts.isDeclarationName(currentToken) && + (currentToken.parent.kind !== 347 /* SyntaxKind.JSDocPropertyTag */ || + currentToken.parent.name !== currentToken))) { + // Use as type location if inside tag's type expression + insideJsDocTagTypeExpression = isCurrentlyEditingNode(typeExpression); + } + } + if (!insideJsDocTagTypeExpression && ts.isJSDocParameterTag(tag) && (ts.nodeIsMissing(tag.name) || tag.name.pos <= position && position <= tag.name.end)) { + return { kind: 3 /* CompletionDataKind.JsDocParameterName */, tag: tag }; + } + } + if (!insideJsDocTagTypeExpression) { + // Proceed if the current position is in jsDoc tag expression; otherwise it is a normal + // comment or the plain text part of a jsDoc comment, so no completion should be available + log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); + return undefined; + } + } + start = ts.timestamp(); + // The decision to provide completion depends on the contextToken, which is determined through the previousToken. + // Note: 'previousToken' (and thus 'contextToken') can be undefined if we are the beginning of the file + var isJsOnlyLocation = !insideJsDocTagTypeExpression && ts.isSourceFileJS(sourceFile); + var tokens = getRelevantTokens(position, sourceFile); + var previousToken = tokens.previousToken; + var contextToken = tokens.contextToken; + log("getCompletionData: Get previous token: " + (ts.timestamp() - start)); + // Find the node where completion is requested on. + // Also determine whether we are trying to complete with members of that node + // or attributes of a JSX tag. + var node = currentToken; + var propertyAccessToConvert; + var isRightOfDot = false; + var isRightOfQuestionDot = false; + var isRightOfOpenTag = false; + var isStartingCloseTag = false; + var isJsxInitializer = false; + var isJsxIdentifierExpected = false; + var importCompletionNode; + var location = ts.getTouchingPropertyName(sourceFile, position); + var keywordFilters = 0 /* KeywordCompletionFilters.None */; + var isNewIdentifierLocation = false; + var flags = 0 /* CompletionInfoFlags.None */; + if (contextToken) { + var importStatementCompletion = getImportStatementCompletionInfo(contextToken); + isNewIdentifierLocation = importStatementCompletion.isNewIdentifierLocation; + if (importStatementCompletion.keywordCompletion) { + if (importStatementCompletion.isKeywordOnlyCompletion) { + return { + kind: 4 /* CompletionDataKind.Keywords */, + keywordCompletions: [keywordToCompletionEntry(importStatementCompletion.keywordCompletion)], + isNewIdentifierLocation: isNewIdentifierLocation, + }; + } + keywordFilters = keywordFiltersFromSyntaxKind(importStatementCompletion.keywordCompletion); + } + if (importStatementCompletion.replacementNode && preferences.includeCompletionsForImportStatements && preferences.includeCompletionsWithInsertText) { + // Import statement completions use `insertText`, and also require the `data` property of `CompletionEntryIdentifier` + // added in TypeScript 4.3 to be sent back from the client during `getCompletionEntryDetails`. Since this feature + // is not backward compatible with older clients, the language service defaults to disabling it, allowing newer clients + // to opt in with the `includeCompletionsForImportStatements` user preference. + importCompletionNode = importStatementCompletion.replacementNode; + flags |= 2 /* CompletionInfoFlags.IsImportStatementCompletion */; + } + // Bail out if this is a known invalid completion location + if (!importCompletionNode && isCompletionListBlocker(contextToken)) { + log("Returning an empty list because completion was requested in an invalid position."); + return keywordFilters + ? keywordCompletionData(keywordFilters, isJsOnlyLocation, isNewIdentifierDefinitionLocation()) + : undefined; + } + var parent = contextToken.parent; + if (contextToken.kind === 24 /* SyntaxKind.DotToken */ || contextToken.kind === 28 /* SyntaxKind.QuestionDotToken */) { + isRightOfDot = contextToken.kind === 24 /* SyntaxKind.DotToken */; + isRightOfQuestionDot = contextToken.kind === 28 /* SyntaxKind.QuestionDotToken */; + switch (parent.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + propertyAccessToConvert = parent; + node = propertyAccessToConvert.expression; + var leftmostAccessExpression = ts.getLeftmostAccessExpression(propertyAccessToConvert); + if (ts.nodeIsMissing(leftmostAccessExpression) || + ((ts.isCallExpression(node) || ts.isFunctionLike(node)) && + node.end === contextToken.pos && + node.getChildCount(sourceFile) && + ts.last(node.getChildren(sourceFile)).kind !== 21 /* SyntaxKind.CloseParenToken */)) { + // This is likely dot from incorrectly parsed expression and user is starting to write spread + // eg: Math.min(./**/) + // const x = function (./**/) {} + // ({./**/}) + return undefined; + } + break; + case 161 /* SyntaxKind.QualifiedName */: + node = parent.left; + break; + case 261 /* SyntaxKind.ModuleDeclaration */: + node = parent.name; + break; + case 200 /* SyntaxKind.ImportType */: + node = parent; + break; + case 231 /* SyntaxKind.MetaProperty */: + node = parent.getFirstToken(sourceFile); + ts.Debug.assert(node.kind === 100 /* SyntaxKind.ImportKeyword */ || node.kind === 103 /* SyntaxKind.NewKeyword */); + break; + default: + // There is nothing that precedes the dot, so this likely just a stray character + // or leading into a '...' token. Just bail out instead. + return undefined; + } + } + else if (!importCompletionNode && sourceFile.languageVariant === 1 /* LanguageVariant.JSX */) { + // + // If the tagname is a property access expression, we will then walk up to the top most of property access expression. + // Then, try to get a JSX container and its associated attributes type. + if (parent && parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + contextToken = parent; + parent = parent.parent; + } + // Fix location + if (currentToken.parent === location) { + switch (currentToken.kind) { + case 31 /* SyntaxKind.GreaterThanToken */: + if (currentToken.parent.kind === 278 /* SyntaxKind.JsxElement */ || currentToken.parent.kind === 280 /* SyntaxKind.JsxOpeningElement */) { + location = currentToken; + } + break; + case 43 /* SyntaxKind.SlashToken */: + if (currentToken.parent.kind === 279 /* SyntaxKind.JsxSelfClosingElement */) { + location = currentToken; + } + break; + } + } + switch (parent.kind) { + case 281 /* SyntaxKind.JsxClosingElement */: + if (contextToken.kind === 43 /* SyntaxKind.SlashToken */) { + isStartingCloseTag = true; + location = contextToken; + } + break; + case 221 /* SyntaxKind.BinaryExpression */: + if (!binaryExpressionMayBeOpenTag(parent)) { + break; + } + // falls through + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 278 /* SyntaxKind.JsxElement */: + case 280 /* SyntaxKind.JsxOpeningElement */: + isJsxIdentifierExpected = true; + if (contextToken.kind === 29 /* SyntaxKind.LessThanToken */) { + isRightOfOpenTag = true; + location = contextToken; + } + break; + case 288 /* SyntaxKind.JsxExpression */: + case 287 /* SyntaxKind.JsxSpreadAttribute */: + // For `
    `, `parent` will be `{true}` and `previousToken` will be `}` + if (previousToken.kind === 19 /* SyntaxKind.CloseBraceToken */ && currentToken.kind === 31 /* SyntaxKind.GreaterThanToken */) { + isJsxIdentifierExpected = true; + } + break; + case 285 /* SyntaxKind.JsxAttribute */: + // For `
    `, `parent` will be JsxAttribute and `previousToken` will be its initializer + if (parent.initializer === previousToken && + previousToken.end < position) { + isJsxIdentifierExpected = true; + break; + } + switch (previousToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: + isJsxInitializer = true; + break; + case 79 /* SyntaxKind.Identifier */: + isJsxIdentifierExpected = true; + // For `
    ` we don't want to treat this as a jsx inializer, instead it's the attribute name. + if (parent !== previousToken.parent && + !parent.initializer && + ts.findChildOfKind(parent, 63 /* SyntaxKind.EqualsToken */, sourceFile)) { + isJsxInitializer = previousToken; + } + } + break; + } + } + } + var semanticStart = ts.timestamp(); + var completionKind = 5 /* CompletionKind.None */; + var isNonContextualObjectLiteral = false; + var hasUnresolvedAutoImports = false; + // This also gets mutated in nested-functions after the return + var symbols = []; + var importSpecifierResolver; + var symbolToOriginInfoMap = []; + var symbolToSortTextMap = []; + var seenPropertySymbols = new ts.Map(); + var isTypeOnlyLocation = isTypeOnlyCompletion(); + var getModuleSpecifierResolutionHost = ts.memoizeOne(function (isFromPackageJson) { + return ts.createModuleSpecifierResolutionHost(isFromPackageJson ? host.getPackageJsonAutoImportProvider() : program, host); + }); + if (isRightOfDot || isRightOfQuestionDot) { + getTypeScriptMemberSymbols(); + } + else if (isRightOfOpenTag) { + symbols = typeChecker.getJsxIntrinsicTagNamesAt(location); + ts.Debug.assertEachIsDefined(symbols, "getJsxIntrinsicTagNames() should all be defined"); + tryGetGlobalSymbols(); + completionKind = 1 /* CompletionKind.Global */; + keywordFilters = 0 /* KeywordCompletionFilters.None */; + } + else if (isStartingCloseTag) { + var tagName = contextToken.parent.parent.openingElement.tagName; + var tagSymbol = typeChecker.getSymbolAtLocation(tagName); + if (tagSymbol) { + symbols = [tagSymbol]; + } + completionKind = 1 /* CompletionKind.Global */; + keywordFilters = 0 /* KeywordCompletionFilters.None */; + } + else { + // For JavaScript or TypeScript, if we're not after a dot, then just try to get the + // global symbols in scope. These results should be valid for either language as + // the set of symbols that can be referenced from this location. + if (!tryGetGlobalSymbols()) { + return keywordFilters + ? keywordCompletionData(keywordFilters, isJsOnlyLocation, isNewIdentifierLocation) + : undefined; + } + } + log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart)); + var contextualType = previousToken && getContextualType(previousToken, position, sourceFile, typeChecker); + var literals = ts.mapDefined(contextualType && (contextualType.isUnion() ? contextualType.types : [contextualType]), function (t) { return t.isLiteral() && !(t.flags & 1024 /* TypeFlags.EnumLiteral */) ? t.value : undefined; }); + var recommendedCompletion = previousToken && contextualType && getRecommendedCompletion(previousToken, contextualType, typeChecker); + return { + kind: 0 /* CompletionDataKind.Data */, + symbols: symbols, + completionKind: completionKind, + isInSnippetScope: isInSnippetScope, + propertyAccessToConvert: propertyAccessToConvert, + isNewIdentifierLocation: isNewIdentifierLocation, + location: location, + keywordFilters: keywordFilters, + literals: literals, + symbolToOriginInfoMap: symbolToOriginInfoMap, + recommendedCompletion: recommendedCompletion, + previousToken: previousToken, + contextToken: contextToken, + isJsxInitializer: isJsxInitializer, + insideJsDocTagTypeExpression: insideJsDocTagTypeExpression, + symbolToSortTextMap: symbolToSortTextMap, + isTypeOnlyLocation: isTypeOnlyLocation, + isJsxIdentifierExpected: isJsxIdentifierExpected, + isRightOfOpenTag: isRightOfOpenTag, + importCompletionNode: importCompletionNode, + hasUnresolvedAutoImports: hasUnresolvedAutoImports, + flags: flags, + }; + function isTagWithTypeExpression(tag) { + switch (tag.kind) { + case 340 /* SyntaxKind.JSDocParameterTag */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + case 341 /* SyntaxKind.JSDocReturnTag */: + case 343 /* SyntaxKind.JSDocTypeTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + return true; + case 344 /* SyntaxKind.JSDocTemplateTag */: + return !!tag.constraint; + default: + return false; + } + } + function tryGetTypeExpressionFromTag(tag) { + if (isTagWithTypeExpression(tag)) { + var typeExpression = ts.isJSDocTemplateTag(tag) ? tag.constraint : tag.typeExpression; + return typeExpression && typeExpression.kind === 309 /* SyntaxKind.JSDocTypeExpression */ ? typeExpression : undefined; + } + return undefined; + } + function getTypeScriptMemberSymbols() { + // Right of dot member completion list + completionKind = 2 /* CompletionKind.PropertyAccess */; + // Since this is qualified name check it's a type node location + var isImportType = ts.isLiteralImportTypeNode(node); + var isTypeLocation = insideJsDocTagTypeExpression + || (isImportType && !node.isTypeOf) + || ts.isPartOfTypeNode(node.parent) + || ts.isPossiblyTypeArgumentPosition(contextToken, sourceFile, typeChecker); + var isRhsOfImportDeclaration = ts.isInRightSideOfInternalImportEqualsDeclaration(node); + if (ts.isEntityName(node) || isImportType || ts.isPropertyAccessExpression(node)) { + var isNamespaceName = ts.isModuleDeclaration(node.parent); + if (isNamespaceName) + isNewIdentifierLocation = true; + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + symbol = ts.skipAlias(symbol, typeChecker); + if (symbol.flags & (1536 /* SymbolFlags.Module */ | 384 /* SymbolFlags.Enum */)) { + // Extract module or enum members + var exportedSymbols = typeChecker.getExportsOfModule(symbol); + ts.Debug.assertEachIsDefined(exportedSymbols, "getExportsOfModule() should all be defined"); + var isValidValueAccess_1 = function (symbol) { return typeChecker.isValidPropertyAccess(isImportType ? node : node.parent, symbol.name); }; + var isValidTypeAccess_1 = function (symbol) { return symbolCanBeReferencedAtTypeLocation(symbol, typeChecker); }; + var isValidAccess = isNamespaceName + // At `namespace N.M/**/`, if this is the only declaration of `M`, don't include `M` as a completion. + ? function (symbol) { var _a; return !!(symbol.flags & 1920 /* SymbolFlags.Namespace */) && !((_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.every(function (d) { return d.parent === node.parent; })); } + : isRhsOfImportDeclaration ? + // Any kind is allowed when dotting off namespace in internal import equals declaration + function (symbol) { return isValidTypeAccess_1(symbol) || isValidValueAccess_1(symbol); } : + isTypeLocation ? isValidTypeAccess_1 : isValidValueAccess_1; + for (var _i = 0, exportedSymbols_1 = exportedSymbols; _i < exportedSymbols_1.length; _i++) { + var exportedSymbol = exportedSymbols_1[_i]; + if (isValidAccess(exportedSymbol)) { + symbols.push(exportedSymbol); + } + } + // If the module is merged with a value, we must get the type of the class and add its propertes (for inherited static methods). + if (!isTypeLocation && + symbol.declarations && + symbol.declarations.some(function (d) { return d.kind !== 305 /* SyntaxKind.SourceFile */ && d.kind !== 261 /* SyntaxKind.ModuleDeclaration */ && d.kind !== 260 /* SyntaxKind.EnumDeclaration */; })) { + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node).getNonOptionalType(); + var insertQuestionDot = false; + if (type.isNullableType()) { + var canCorrectToQuestionDot = isRightOfDot && + !isRightOfQuestionDot && + preferences.includeAutomaticOptionalChainCompletions !== false; + if (canCorrectToQuestionDot || isRightOfQuestionDot) { + type = type.getNonNullableType(); + if (canCorrectToQuestionDot) { + insertQuestionDot = true; + } + } + } + addTypeProperties(type, !!(node.flags & 32768 /* NodeFlags.AwaitContext */), insertQuestionDot); + } + return; + } + } + } + if (!isTypeLocation) { + // GH#39946. Pulling on the type of a node inside of a function with a contextual `this` parameter can result in a circularity + // if the `node` is part of the exprssion of a `yield` or `return`. This circularity doesn't exist at compile time because + // we will check (and cache) the type of `this` *before* checking the type of the node. + typeChecker.tryGetThisTypeAt(node, /*includeGlobalThis*/ false); + var type = typeChecker.getTypeAtLocation(node).getNonOptionalType(); + var insertQuestionDot = false; + if (type.isNullableType()) { + var canCorrectToQuestionDot = isRightOfDot && + !isRightOfQuestionDot && + preferences.includeAutomaticOptionalChainCompletions !== false; + if (canCorrectToQuestionDot || isRightOfQuestionDot) { + type = type.getNonNullableType(); + if (canCorrectToQuestionDot) { + insertQuestionDot = true; + } + } + } + addTypeProperties(type, !!(node.flags & 32768 /* NodeFlags.AwaitContext */), insertQuestionDot); + } + } + function addTypeProperties(type, insertAwait, insertQuestionDot) { + isNewIdentifierLocation = !!type.getStringIndexType(); + if (isRightOfQuestionDot && ts.some(type.getCallSignatures())) { + isNewIdentifierLocation = true; + } + var propertyAccess = node.kind === 200 /* SyntaxKind.ImportType */ ? node : node.parent; + if (inUncheckedFile) { + // In javascript files, for union types, we don't just get the members that + // the individual types have in common, we also include all the members that + // each individual type has. This is because we're going to add all identifiers + // anyways. So we might as well elevate the members that were at least part + // of the individual types to a higher status since we know what they are. + symbols.push.apply(symbols, ts.filter(getPropertiesForCompletion(type, typeChecker), function (s) { return typeChecker.isValidPropertyAccessForCompletions(propertyAccess, type, s); })); + } + else { + for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { + var symbol = _a[_i]; + if (typeChecker.isValidPropertyAccessForCompletions(propertyAccess, type, symbol)) { + addPropertySymbol(symbol, /* insertAwait */ false, insertQuestionDot); + } + } + } + if (insertAwait && preferences.includeCompletionsWithInsertText) { + var promiseType = typeChecker.getPromisedTypeOfPromise(type); + if (promiseType) { + for (var _b = 0, _c = promiseType.getApparentProperties(); _b < _c.length; _b++) { + var symbol = _c[_b]; + if (typeChecker.isValidPropertyAccessForCompletions(propertyAccess, promiseType, symbol)) { + addPropertySymbol(symbol, /* insertAwait */ true, insertQuestionDot); + } + } + } + } + } + function addPropertySymbol(symbol, insertAwait, insertQuestionDot) { + var _a; + // For a computed property with an accessible name like `Symbol.iterator`, + // we'll add a completion for the *name* `Symbol` instead of for the property. + // If this is e.g. [Symbol.iterator], add a completion for `Symbol`. + var computedPropertyName = ts.firstDefined(symbol.declarations, function (decl) { return ts.tryCast(ts.getNameOfDeclaration(decl), ts.isComputedPropertyName); }); + if (computedPropertyName) { + var leftMostName = getLeftMostName(computedPropertyName.expression); // The completion is for `Symbol`, not `iterator`. + var nameSymbol = leftMostName && typeChecker.getSymbolAtLocation(leftMostName); + // If this is nested like for `namespace N { export const sym = Symbol(); }`, we'll add the completion for `N`. + var firstAccessibleSymbol = nameSymbol && getFirstSymbolInChain(nameSymbol, contextToken, typeChecker); + if (firstAccessibleSymbol && ts.addToSeen(seenPropertySymbols, ts.getSymbolId(firstAccessibleSymbol))) { + var index = symbols.length; + symbols.push(firstAccessibleSymbol); + var moduleSymbol = firstAccessibleSymbol.parent; + if (!moduleSymbol || + !ts.isExternalModuleSymbol(moduleSymbol) || + typeChecker.tryGetMemberInModuleExportsAndProperties(firstAccessibleSymbol.name, moduleSymbol) !== firstAccessibleSymbol) { + symbolToOriginInfoMap[index] = { kind: getNullableSymbolOriginInfoKind(2 /* SymbolOriginInfoKind.SymbolMemberNoExport */) }; + } + else { + var fileName = ts.isExternalModuleNameRelative(ts.stripQuotes(moduleSymbol.name)) ? (_a = ts.getSourceFileOfModule(moduleSymbol)) === null || _a === void 0 ? void 0 : _a.fileName : undefined; + var moduleSpecifier = ((importSpecifierResolver || (importSpecifierResolver = ts.codefix.createImportSpecifierResolver(sourceFile, program, host, preferences))).getModuleSpecifierForBestExportInfo([{ + exportKind: 0 /* ExportKind.Named */, + moduleFileName: fileName, + isFromPackageJson: false, + moduleSymbol: moduleSymbol, + symbol: firstAccessibleSymbol, + targetFlags: ts.skipAlias(firstAccessibleSymbol, typeChecker).flags, + }], firstAccessibleSymbol.name, position, ts.isValidTypeOnlyAliasUseSite(location)) || {}).moduleSpecifier; + if (moduleSpecifier) { + var origin = { + kind: getNullableSymbolOriginInfoKind(6 /* SymbolOriginInfoKind.SymbolMemberExport */), + moduleSymbol: moduleSymbol, + isDefaultExport: false, + symbolName: firstAccessibleSymbol.name, + exportName: firstAccessibleSymbol.name, + fileName: fileName, + moduleSpecifier: moduleSpecifier, + }; + symbolToOriginInfoMap[index] = origin; + } + } + } + else if (preferences.includeCompletionsWithInsertText) { + addSymbolOriginInfo(symbol); + addSymbolSortInfo(symbol); + symbols.push(symbol); + } + } + else { + addSymbolOriginInfo(symbol); + addSymbolSortInfo(symbol); + symbols.push(symbol); + } + function addSymbolSortInfo(symbol) { + if (isStaticProperty(symbol)) { + symbolToSortTextMap[ts.getSymbolId(symbol)] = Completions.SortText.LocalDeclarationPriority; + } + } + function addSymbolOriginInfo(symbol) { + if (preferences.includeCompletionsWithInsertText) { + if (insertAwait && ts.addToSeen(seenPropertySymbols, ts.getSymbolId(symbol))) { + symbolToOriginInfoMap[symbols.length] = { kind: getNullableSymbolOriginInfoKind(8 /* SymbolOriginInfoKind.Promise */) }; + } + else if (insertQuestionDot) { + symbolToOriginInfoMap[symbols.length] = { kind: 16 /* SymbolOriginInfoKind.Nullable */ }; + } + } + } + function getNullableSymbolOriginInfoKind(kind) { + return insertQuestionDot ? kind | 16 /* SymbolOriginInfoKind.Nullable */ : kind; + } + } + /** Given 'a.b.c', returns 'a'. */ + function getLeftMostName(e) { + return ts.isIdentifier(e) ? e : ts.isPropertyAccessExpression(e) ? getLeftMostName(e.expression) : undefined; + } + function tryGetGlobalSymbols() { + var result = tryGetObjectTypeLiteralInTypeArgumentCompletionSymbols() + || tryGetObjectLikeCompletionSymbols() + || tryGetImportCompletionSymbols() + || tryGetImportOrExportClauseCompletionSymbols() + || tryGetLocalNamedExportCompletionSymbols() + || tryGetConstructorCompletion() + || tryGetClassLikeCompletionSymbols() + || tryGetJsxCompletionSymbols() + || (getGlobalCompletions(), 1 /* GlobalsSearch.Success */); + return result === 1 /* GlobalsSearch.Success */; + } + function tryGetConstructorCompletion() { + if (!tryGetConstructorLikeCompletionContainer(contextToken)) + return 0 /* GlobalsSearch.Continue */; + // no members, only keywords + completionKind = 5 /* CompletionKind.None */; + // Declaring new property/method/accessor + isNewIdentifierLocation = true; + // Has keywords for constructor parameter + keywordFilters = 4 /* KeywordCompletionFilters.ConstructorParameterKeywords */; + return 1 /* GlobalsSearch.Success */; + } + function tryGetJsxCompletionSymbols() { + var jsxContainer = tryGetContainingJsxElement(contextToken); + // Cursor is inside a JSX self-closing element or opening element + var attrsType = jsxContainer && typeChecker.getContextualType(jsxContainer.attributes); + if (!attrsType) + return 0 /* GlobalsSearch.Continue */; + var completionsType = jsxContainer && typeChecker.getContextualType(jsxContainer.attributes, 4 /* ContextFlags.Completions */); + symbols = ts.concatenate(symbols, filterJsxAttributes(getPropertiesForObjectExpression(attrsType, completionsType, jsxContainer.attributes, typeChecker), jsxContainer.attributes.properties)); + setSortTextToOptionalMember(); + completionKind = 3 /* CompletionKind.MemberLike */; + isNewIdentifierLocation = false; + return 1 /* GlobalsSearch.Success */; + } + function tryGetImportCompletionSymbols() { + if (!importCompletionNode) + return 0 /* GlobalsSearch.Continue */; + isNewIdentifierLocation = true; + collectAutoImports(); + return 1 /* GlobalsSearch.Success */; + } + function getGlobalCompletions() { + keywordFilters = tryGetFunctionLikeBodyCompletionContainer(contextToken) ? 5 /* KeywordCompletionFilters.FunctionLikeBodyKeywords */ : 1 /* KeywordCompletionFilters.All */; + // Get all entities in the current scope. + completionKind = 1 /* CompletionKind.Global */; + isNewIdentifierLocation = isNewIdentifierDefinitionLocation(); + if (previousToken !== contextToken) { + ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + // We need to find the node that will give us an appropriate scope to begin + // aggregating completion candidates. This is achieved in 'getScopeNode' + // by finding the first node that encompasses a position, accounting for whether a node + // is "complete" to decide whether a position belongs to the node. + // + // However, at the end of an identifier, we are interested in the scope of the identifier + // itself, but fall outside of the identifier. For instance: + // + // xyz => x$ + // + // the cursor is outside of both the 'x' and the arrow function 'xyz => x', + // so 'xyz' is not returned in our results. + // + // We define 'adjustedPosition' so that we may appropriately account for + // being at the end of an identifier. The intention is that if requesting completion + // at the end of an identifier, it should be effectively equivalent to requesting completion + // anywhere inside/at the beginning of the identifier. So in the previous case, the + // 'adjustedPosition' will work as if requesting completion in the following: + // + // xyz => $x + // + // If previousToken !== contextToken, then + // - 'contextToken' was adjusted to the token prior to 'previousToken' + // because we were at the end of an identifier. + // - 'previousToken' is defined. + var adjustedPosition = previousToken !== contextToken ? + previousToken.getStart() : + position; + var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; + isInSnippetScope = isSnippetScope(scopeNode); + var symbolMeanings = (isTypeOnlyLocation ? 0 /* SymbolFlags.None */ : 111551 /* SymbolFlags.Value */) | 788968 /* SymbolFlags.Type */ | 1920 /* SymbolFlags.Namespace */ | 2097152 /* SymbolFlags.Alias */; + var typeOnlyAliasNeedsPromotion = previousToken && !ts.isValidTypeOnlyAliasUseSite(previousToken); + symbols = ts.concatenate(symbols, typeChecker.getSymbolsInScope(scopeNode, symbolMeanings)); + ts.Debug.assertEachIsDefined(symbols, "getSymbolsInScope() should all be defined"); + for (var i = 0; i < symbols.length; i++) { + var symbol = symbols[i]; + if (!typeChecker.isArgumentsSymbol(symbol) && + !ts.some(symbol.declarations, function (d) { return d.getSourceFile() === sourceFile; })) { + symbolToSortTextMap[ts.getSymbolId(symbol)] = Completions.SortText.GlobalsOrKeywords; + } + if (typeOnlyAliasNeedsPromotion && !(symbol.flags & 111551 /* SymbolFlags.Value */)) { + var typeOnlyAliasDeclaration = symbol.declarations && ts.find(symbol.declarations, ts.isTypeOnlyImportOrExportDeclaration); + if (typeOnlyAliasDeclaration) { + var origin = { kind: 64 /* SymbolOriginInfoKind.TypeOnlyAlias */, declaration: typeOnlyAliasDeclaration }; + symbolToOriginInfoMap[i] = origin; + } + } + } + // Need to insert 'this.' before properties of `this` type, so only do that if `includeInsertTextCompletions` + if (preferences.includeCompletionsWithInsertText && scopeNode.kind !== 305 /* SyntaxKind.SourceFile */) { + var thisType = typeChecker.tryGetThisTypeAt(scopeNode, /*includeGlobalThis*/ false); + if (thisType && !isProbablyGlobalType(thisType, sourceFile, typeChecker)) { + for (var _i = 0, _a = getPropertiesForCompletion(thisType, typeChecker); _i < _a.length; _i++) { + var symbol = _a[_i]; + symbolToOriginInfoMap[symbols.length] = { kind: 1 /* SymbolOriginInfoKind.ThisType */ }; + symbols.push(symbol); + symbolToSortTextMap[ts.getSymbolId(symbol)] = Completions.SortText.SuggestedClassMembers; + } + } + } + collectAutoImports(); + if (isTypeOnlyLocation) { + keywordFilters = contextToken && ts.isAssertionExpression(contextToken.parent) + ? 6 /* KeywordCompletionFilters.TypeAssertionKeywords */ + : 7 /* KeywordCompletionFilters.TypeKeywords */; + } + } + function shouldOfferImportCompletions() { + // If already typing an import statement, provide completions for it. + if (importCompletionNode) + return true; + // If current completion is for non-contextual Object literal shortahands, ignore auto-import symbols + if (isNonContextualObjectLiteral) + return false; + // If not already a module, must have modules enabled. + if (!preferences.includeCompletionsForModuleExports) + return false; + // If already using ES modules, OK to continue using them. + if (sourceFile.externalModuleIndicator || sourceFile.commonJsModuleIndicator) + return true; + // If module transpilation is enabled or we're targeting es6 or above, or not emitting, OK. + if (ts.compilerOptionsIndicateEsModules(program.getCompilerOptions())) + return true; + // If some file is using ES6 modules, assume that it's OK to add more. + return ts.programContainsModules(program); + } + function isSnippetScope(scopeNode) { + switch (scopeNode.kind) { + case 305 /* SyntaxKind.SourceFile */: + case 223 /* SyntaxKind.TemplateExpression */: + case 288 /* SyntaxKind.JsxExpression */: + case 235 /* SyntaxKind.Block */: + return true; + default: + return ts.isStatement(scopeNode); + } + } + function isTypeOnlyCompletion() { + return insideJsDocTagTypeExpression + || !!importCompletionNode && ts.isTypeOnlyImportOrExportDeclaration(location.parent) + || !isContextTokenValueLocation(contextToken) && + (ts.isPossiblyTypeArgumentPosition(contextToken, sourceFile, typeChecker) + || ts.isPartOfTypeNode(location) + || isContextTokenTypeLocation(contextToken)); + } + function isContextTokenValueLocation(contextToken) { + return contextToken && + ((contextToken.kind === 112 /* SyntaxKind.TypeOfKeyword */ && + (contextToken.parent.kind === 181 /* SyntaxKind.TypeQuery */ || ts.isTypeOfExpression(contextToken.parent))) || + (contextToken.kind === 128 /* SyntaxKind.AssertsKeyword */ && contextToken.parent.kind === 177 /* SyntaxKind.TypePredicate */)); + } + function isContextTokenTypeLocation(contextToken) { + if (contextToken) { + var parentKind = contextToken.parent.kind; + switch (contextToken.kind) { + case 58 /* SyntaxKind.ColonToken */: + return parentKind === 167 /* SyntaxKind.PropertyDeclaration */ || + parentKind === 166 /* SyntaxKind.PropertySignature */ || + parentKind === 164 /* SyntaxKind.Parameter */ || + parentKind === 254 /* SyntaxKind.VariableDeclaration */ || + ts.isFunctionLikeKind(parentKind); + case 63 /* SyntaxKind.EqualsToken */: + return parentKind === 259 /* SyntaxKind.TypeAliasDeclaration */; + case 127 /* SyntaxKind.AsKeyword */: + return parentKind === 229 /* SyntaxKind.AsExpression */; + case 29 /* SyntaxKind.LessThanToken */: + return parentKind === 178 /* SyntaxKind.TypeReference */ || + parentKind === 211 /* SyntaxKind.TypeAssertionExpression */; + case 94 /* SyntaxKind.ExtendsKeyword */: + return parentKind === 163 /* SyntaxKind.TypeParameter */; + } + } + return false; + } + /** Mutates `symbols`, `symbolToOriginInfoMap`, and `symbolToSortTextMap` */ + function collectAutoImports() { + var _a, _b; + if (!shouldOfferImportCompletions()) + return; + ts.Debug.assert(!(detailsEntryId === null || detailsEntryId === void 0 ? void 0 : detailsEntryId.data), "Should not run 'collectAutoImports' when faster path is available via `data`"); + if (detailsEntryId && !detailsEntryId.source) { + // Asking for completion details for an item that is not an auto-import + return; + } + flags |= 1 /* CompletionInfoFlags.MayIncludeAutoImports */; + // import { type | -> token text should be blank + var isAfterTypeOnlyImportSpecifierModifier = previousToken === contextToken + && importCompletionNode + && couldBeTypeOnlyImportSpecifier(importCompletionNode, contextToken); + var lowerCaseTokenText = isAfterTypeOnlyImportSpecifierModifier ? "" : + previousToken && ts.isIdentifier(previousToken) ? previousToken.text.toLowerCase() : + ""; + var moduleSpecifierCache = (_a = host.getModuleSpecifierCache) === null || _a === void 0 ? void 0 : _a.call(host); + var exportInfo = ts.getExportInfoMap(sourceFile, host, program, cancellationToken); + var packageJsonAutoImportProvider = (_b = host.getPackageJsonAutoImportProvider) === null || _b === void 0 ? void 0 : _b.call(host); + var packageJsonFilter = detailsEntryId ? undefined : ts.createPackageJsonImportFilter(sourceFile, preferences, host); + resolvingModuleSpecifiers("collectAutoImports", host, importSpecifierResolver || (importSpecifierResolver = ts.codefix.createImportSpecifierResolver(sourceFile, program, host, preferences)), program, position, preferences, !!importCompletionNode, ts.isValidTypeOnlyAliasUseSite(location), function (context) { + exportInfo.search(sourceFile.path, + /*preferCapitalized*/ isRightOfOpenTag, function (symbolName, targetFlags) { + if (!ts.isIdentifierText(symbolName, ts.getEmitScriptTarget(host.getCompilationSettings()))) + return false; + if (!detailsEntryId && ts.isStringANonContextualKeyword(symbolName)) + return false; + if (!isTypeOnlyLocation && !importCompletionNode && !(targetFlags & 111551 /* SymbolFlags.Value */)) + return false; + if (isTypeOnlyLocation && !(targetFlags & (1536 /* SymbolFlags.Module */ | 788968 /* SymbolFlags.Type */))) + return false; + // Do not try to auto-import something with a lowercase first letter for a JSX tag + var firstChar = symbolName.charCodeAt(0); + if (isRightOfOpenTag && (firstChar < 65 /* CharacterCodes.A */ || firstChar > 90 /* CharacterCodes.Z */)) + return false; + if (detailsEntryId) + return true; + return charactersFuzzyMatchInString(symbolName, lowerCaseTokenText); + }, function (info, symbolName, isFromAmbientModule, exportMapKey) { + var _a; + if (detailsEntryId && !ts.some(info, function (i) { return detailsEntryId.source === ts.stripQuotes(i.moduleSymbol.name); })) { + return; + } + // Do a relatively cheap check to bail early if all re-exports are non-importable + // due to file location or package.json dependency filtering. For non-node16+ + // module resolution modes, getting past this point guarantees that we'll be + // able to generate a suitable module specifier, so we can safely show a completion, + // even if we defer computing the module specifier. + var firstImportableExportInfo = ts.find(info, isImportableExportInfo); + if (!firstImportableExportInfo) { + return; + } + // In node16+, module specifier resolution can fail due to modules being blocked + // by package.json `exports`. If that happens, don't show a completion item. + // N.B. in this resolution mode we always try to resolve module specifiers here, + // because we have to know now if it's going to fail so we can omit the completion + // from the list. + var result = context.tryResolve(info, symbolName, isFromAmbientModule) || {}; + if (result === "failed") + return; + // If we skipped resolving module specifiers, our selection of which ExportInfo + // to use here is arbitrary, since the info shown in the completion list derived from + // it should be identical regardless of which one is used. During the subsequent + // `CompletionEntryDetails` request, we'll get all the ExportInfos again and pick + // the best one based on the module specifier it produces. + var exportInfo = firstImportableExportInfo, moduleSpecifier; + if (result !== "skipped") { + (_a = result.exportInfo, exportInfo = _a === void 0 ? firstImportableExportInfo : _a, moduleSpecifier = result.moduleSpecifier); + } + var isDefaultExport = exportInfo.exportKind === 1 /* ExportKind.Default */; + var symbol = isDefaultExport && ts.getLocalSymbolForExportDefault(exportInfo.symbol) || exportInfo.symbol; + pushAutoImportSymbol(symbol, { + kind: moduleSpecifier ? 32 /* SymbolOriginInfoKind.ResolvedExport */ : 4 /* SymbolOriginInfoKind.Export */, + moduleSpecifier: moduleSpecifier, + symbolName: symbolName, + exportMapKey: exportMapKey, + exportName: exportInfo.exportKind === 2 /* ExportKind.ExportEquals */ ? "export=" /* InternalSymbolName.ExportEquals */ : exportInfo.symbol.name, + fileName: exportInfo.moduleFileName, + isDefaultExport: isDefaultExport, + moduleSymbol: exportInfo.moduleSymbol, + isFromPackageJson: exportInfo.isFromPackageJson, + }); + }); + hasUnresolvedAutoImports = context.skippedAny(); + flags |= context.resolvedAny() ? 8 /* CompletionInfoFlags.ResolvedModuleSpecifiers */ : 0; + flags |= context.resolvedBeyondLimit() ? 16 /* CompletionInfoFlags.ResolvedModuleSpecifiersBeyondLimit */ : 0; + }); + function isImportableExportInfo(info) { + var moduleFile = ts.tryCast(info.moduleSymbol.valueDeclaration, ts.isSourceFile); + if (!moduleFile) { + var moduleName = ts.stripQuotes(info.moduleSymbol.name); + if (ts.JsTyping.nodeCoreModules.has(moduleName) && ts.startsWith(moduleName, "node:") !== ts.shouldUseUriStyleNodeCoreModules(sourceFile, program)) { + return false; + } + return packageJsonFilter + ? packageJsonFilter.allowsImportingAmbientModule(info.moduleSymbol, getModuleSpecifierResolutionHost(info.isFromPackageJson)) + : true; + } + return ts.isImportableFile(info.isFromPackageJson ? packageJsonAutoImportProvider : program, sourceFile, moduleFile, preferences, packageJsonFilter, getModuleSpecifierResolutionHost(info.isFromPackageJson), moduleSpecifierCache); + } + } + function pushAutoImportSymbol(symbol, origin) { + var symbolId = ts.getSymbolId(symbol); + if (symbolToSortTextMap[symbolId] === Completions.SortText.GlobalsOrKeywords) { + // If an auto-importable symbol is available as a global, don't add the auto import + return; + } + symbolToOriginInfoMap[symbols.length] = origin; + symbolToSortTextMap[symbolId] = importCompletionNode ? Completions.SortText.LocationPriority : Completions.SortText.AutoImportSuggestions; + symbols.push(symbol); + } + /* Mutates `symbols` and `symbolToOriginInfoMap`. */ + function collectObjectLiteralMethodSymbols(members, enclosingDeclaration) { + // TODO: support JS files. + if (ts.isInJSFile(location)) { + return; + } + members.forEach(function (member) { + if (!isObjectLiteralMethodSymbol(member)) { + return; + } + var displayName = getCompletionEntryDisplayNameForSymbol(member, ts.getEmitScriptTarget(compilerOptions), + /*origin*/ undefined, 0 /* CompletionKind.ObjectPropertyDeclaration */, + /*jsxIdentifierExpected*/ false); + if (!displayName) { + return; + } + var name = displayName.name; + var entryProps = getEntryForObjectLiteralMethodCompletion(member, name, enclosingDeclaration, program, host, compilerOptions, preferences, formatContext); + if (!entryProps) { + return; + } + var origin = __assign({ kind: 128 /* SymbolOriginInfoKind.ObjectLiteralMethod */ }, entryProps); + flags |= 32 /* CompletionInfoFlags.MayIncludeMethodSnippets */; + symbolToOriginInfoMap[symbols.length] = origin; + symbols.push(member); + }); + } + function isObjectLiteralMethodSymbol(symbol) { + /* + For an object type + `type Foo = { + bar(x: number): void; + foo: (x: string) => string; + }`, + `bar` will have symbol flag `Method`, + `foo` will have symbol flag `Property`. + */ + if (!(symbol.flags & (4 /* SymbolFlags.Property */ | 8192 /* SymbolFlags.Method */))) { + return false; + } + return true; + } + /** + * Finds the first node that "embraces" the position, so that one may + * accurately aggregate locals from the closest containing scope. + */ + function getScopeNode(initialToken, position, sourceFile) { + var scope = initialToken; + while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { + scope = scope.parent; + } + return scope; + } + function isCompletionListBlocker(contextToken) { + var start = ts.timestamp(); + var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || + isSolelyIdentifierDefinitionLocation(contextToken) || + isDotOfNumericLiteral(contextToken) || + isInJsxText(contextToken) || + ts.isBigIntLiteral(contextToken); + log("getCompletionsAtPosition: isCompletionListBlocker: " + (ts.timestamp() - start)); + return result; + } + function isInJsxText(contextToken) { + if (contextToken.kind === 11 /* SyntaxKind.JsxText */) { + return true; + } + if (contextToken.kind === 31 /* SyntaxKind.GreaterThanToken */ && contextToken.parent) { + // /**/ /> + // /**/ > + // - contextToken: GreaterThanToken (before cursor) + // - location: JsxSelfClosingElement or JsxOpeningElement + // - contextToken.parent === location + if (location === contextToken.parent && (location.kind === 280 /* SyntaxKind.JsxOpeningElement */ || location.kind === 279 /* SyntaxKind.JsxSelfClosingElement */)) { + return false; + } + if (contextToken.parent.kind === 280 /* SyntaxKind.JsxOpeningElement */) { + //
    /**/ + // - contextToken: GreaterThanToken (before cursor) + // - location: JSXElement + // - different parents (JSXOpeningElement, JSXElement) + return location.parent.kind !== 280 /* SyntaxKind.JsxOpeningElement */; + } + if (contextToken.parent.kind === 281 /* SyntaxKind.JsxClosingElement */ || contextToken.parent.kind === 279 /* SyntaxKind.JsxSelfClosingElement */) { + return !!contextToken.parent.parent && contextToken.parent.parent.kind === 278 /* SyntaxKind.JsxElement */; + } + } + return false; + } + function isNewIdentifierDefinitionLocation() { + if (contextToken) { + var containingNodeKind = contextToken.parent.kind; + var tokenKind = keywordForNode(contextToken); + // Previous token may have been a keyword that was converted to an identifier. + switch (tokenKind) { + case 27 /* SyntaxKind.CommaToken */: + return containingNodeKind === 208 /* SyntaxKind.CallExpression */ // func( a, | + || containingNodeKind === 171 /* SyntaxKind.Constructor */ // constructor( a, | /* public, protected, private keywords are allowed here, so show completion */ + || containingNodeKind === 209 /* SyntaxKind.NewExpression */ // new C(a, | + || containingNodeKind === 204 /* SyntaxKind.ArrayLiteralExpression */ // [a, | + || containingNodeKind === 221 /* SyntaxKind.BinaryExpression */ // const x = (a, | + || containingNodeKind === 179 /* SyntaxKind.FunctionType */ // var x: (s: string, list| + || containingNodeKind === 205 /* SyntaxKind.ObjectLiteralExpression */; // const obj = { x, | + case 20 /* SyntaxKind.OpenParenToken */: + return containingNodeKind === 208 /* SyntaxKind.CallExpression */ // func( | + || containingNodeKind === 171 /* SyntaxKind.Constructor */ // constructor( | + || containingNodeKind === 209 /* SyntaxKind.NewExpression */ // new C(a| + || containingNodeKind === 212 /* SyntaxKind.ParenthesizedExpression */ // const x = (a| + || containingNodeKind === 191 /* SyntaxKind.ParenthesizedType */; // function F(pred: (a| /* this can become an arrow function, where 'a' is the argument */ + case 22 /* SyntaxKind.OpenBracketToken */: + return containingNodeKind === 204 /* SyntaxKind.ArrayLiteralExpression */ // [ | + || containingNodeKind === 176 /* SyntaxKind.IndexSignature */ // [ | : string ] + || containingNodeKind === 162 /* SyntaxKind.ComputedPropertyName */; // [ | /* this can become an index signature */ + case 141 /* SyntaxKind.ModuleKeyword */: // module | + case 142 /* SyntaxKind.NamespaceKeyword */: // namespace | + case 100 /* SyntaxKind.ImportKeyword */: // import | + return true; + case 24 /* SyntaxKind.DotToken */: + return containingNodeKind === 261 /* SyntaxKind.ModuleDeclaration */; // module A.| + case 18 /* SyntaxKind.OpenBraceToken */: + return containingNodeKind === 257 /* SyntaxKind.ClassDeclaration */ // class A { | + || containingNodeKind === 205 /* SyntaxKind.ObjectLiteralExpression */; // const obj = { | + case 63 /* SyntaxKind.EqualsToken */: + return containingNodeKind === 254 /* SyntaxKind.VariableDeclaration */ // const x = a| + || containingNodeKind === 221 /* SyntaxKind.BinaryExpression */; // x = a| + case 15 /* SyntaxKind.TemplateHead */: + return containingNodeKind === 223 /* SyntaxKind.TemplateExpression */; // `aa ${| + case 16 /* SyntaxKind.TemplateMiddle */: + return containingNodeKind === 233 /* SyntaxKind.TemplateSpan */; // `aa ${10} dd ${| + case 131 /* SyntaxKind.AsyncKeyword */: + return containingNodeKind === 169 /* SyntaxKind.MethodDeclaration */ // const obj = { async c|() + || containingNodeKind === 297 /* SyntaxKind.ShorthandPropertyAssignment */; // const obj = { async c| + case 41 /* SyntaxKind.AsteriskToken */: + return containingNodeKind === 169 /* SyntaxKind.MethodDeclaration */; // const obj = { * c| + } + if (isClassMemberCompletionKeyword(tokenKind)) { + return true; + } + } + return false; + } + function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { + // To be "in" one of these literals, the position has to be: + // 1. entirely within the token text. + // 2. at the end position of an unterminated token. + // 3. at the end of a regular expression (due to trailing flags like '/foo/g'). + return (ts.isRegularExpressionLiteral(contextToken) || ts.isStringTextContainingNode(contextToken)) && (ts.rangeContainsPositionExclusive(ts.createTextRangeFromSpan(ts.createTextSpanFromNode(contextToken)), position) || + position === contextToken.end && (!!contextToken.isUnterminated || ts.isRegularExpressionLiteral(contextToken))); + } + function tryGetObjectTypeLiteralInTypeArgumentCompletionSymbols() { + var typeLiteralNode = tryGetTypeLiteralNode(contextToken); + if (!typeLiteralNode) + return 0 /* GlobalsSearch.Continue */; + var intersectionTypeNode = ts.isIntersectionTypeNode(typeLiteralNode.parent) ? typeLiteralNode.parent : undefined; + var containerTypeNode = intersectionTypeNode || typeLiteralNode; + var containerExpectedType = getConstraintOfTypeArgumentProperty(containerTypeNode, typeChecker); + if (!containerExpectedType) + return 0 /* GlobalsSearch.Continue */; + var containerActualType = typeChecker.getTypeFromTypeNode(containerTypeNode); + var members = getPropertiesForCompletion(containerExpectedType, typeChecker); + var existingMembers = getPropertiesForCompletion(containerActualType, typeChecker); + var existingMemberEscapedNames = new ts.Set(); + existingMembers.forEach(function (s) { return existingMemberEscapedNames.add(s.escapedName); }); + symbols = ts.concatenate(symbols, ts.filter(members, function (s) { return !existingMemberEscapedNames.has(s.escapedName); })); + completionKind = 0 /* CompletionKind.ObjectPropertyDeclaration */; + isNewIdentifierLocation = true; + return 1 /* GlobalsSearch.Success */; + } + /** + * Aggregates relevant symbols for completion in object literals and object binding patterns. + * Relevant symbols are stored in the captured 'symbols' variable. + * + * @returns true if 'symbols' was successfully populated; false otherwise. + */ + function tryGetObjectLikeCompletionSymbols() { + var symbolsStartIndex = symbols.length; + var objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken); + if (!objectLikeContainer) + return 0 /* GlobalsSearch.Continue */; + // We're looking up possible property names from contextual/inferred/declared type. + completionKind = 0 /* CompletionKind.ObjectPropertyDeclaration */; + var typeMembers; + var existingMembers; + if (objectLikeContainer.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + var instantiatedType = tryGetObjectLiteralContextualType(objectLikeContainer, typeChecker); + // Check completions for Object property value shorthand + if (instantiatedType === undefined) { + if (objectLikeContainer.flags & 33554432 /* NodeFlags.InWithStatement */) { + return 2 /* GlobalsSearch.Fail */; + } + isNonContextualObjectLiteral = true; + return 0 /* GlobalsSearch.Continue */; + } + var completionsType = typeChecker.getContextualType(objectLikeContainer, 4 /* ContextFlags.Completions */); + var hasStringIndexType = (completionsType || instantiatedType).getStringIndexType(); + var hasNumberIndextype = (completionsType || instantiatedType).getNumberIndexType(); + isNewIdentifierLocation = !!hasStringIndexType || !!hasNumberIndextype; + typeMembers = getPropertiesForObjectExpression(instantiatedType, completionsType, objectLikeContainer, typeChecker); + existingMembers = objectLikeContainer.properties; + if (typeMembers.length === 0) { + // Edge case: If NumberIndexType exists + if (!hasNumberIndextype) { + isNonContextualObjectLiteral = true; + return 0 /* GlobalsSearch.Continue */; + } + } + } + else { + ts.Debug.assert(objectLikeContainer.kind === 201 /* SyntaxKind.ObjectBindingPattern */); + // We are *only* completing on properties from the type being destructured. + isNewIdentifierLocation = false; + var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); + if (!ts.isVariableLike(rootDeclaration)) + return ts.Debug.fail("Root declaration is not variable-like."); + // We don't want to complete using the type acquired by the shape + // of the binding pattern; we are only interested in types acquired + // through type declaration or inference. + // Also proceed if rootDeclaration is a parameter and if its containing function expression/arrow function is contextually typed - + // type of parameter will flow in from the contextual type of the function + var canGetType = ts.hasInitializer(rootDeclaration) || !!ts.getEffectiveTypeAnnotationNode(rootDeclaration) || rootDeclaration.parent.parent.kind === 244 /* SyntaxKind.ForOfStatement */; + if (!canGetType && rootDeclaration.kind === 164 /* SyntaxKind.Parameter */) { + if (ts.isExpression(rootDeclaration.parent)) { + canGetType = !!typeChecker.getContextualType(rootDeclaration.parent); + } + else if (rootDeclaration.parent.kind === 169 /* SyntaxKind.MethodDeclaration */ || rootDeclaration.parent.kind === 173 /* SyntaxKind.SetAccessor */) { + canGetType = ts.isExpression(rootDeclaration.parent.parent) && !!typeChecker.getContextualType(rootDeclaration.parent.parent); + } + } + if (canGetType) { + var typeForObject_1 = typeChecker.getTypeAtLocation(objectLikeContainer); + if (!typeForObject_1) + return 2 /* GlobalsSearch.Fail */; + typeMembers = typeChecker.getPropertiesOfType(typeForObject_1).filter(function (propertySymbol) { + return typeChecker.isPropertyAccessible(objectLikeContainer, /*isSuper*/ false, /*writing*/ false, typeForObject_1, propertySymbol); + }); + existingMembers = objectLikeContainer.elements; + } + } + if (typeMembers && typeMembers.length > 0) { + // Add filtered items to the completion list + var filteredMembers = filterObjectMembersList(typeMembers, ts.Debug.checkDefined(existingMembers)); + symbols = ts.concatenate(symbols, filteredMembers); + setSortTextToOptionalMember(); + if (objectLikeContainer.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ + && preferences.includeCompletionsWithObjectLiteralMethodSnippets + && preferences.includeCompletionsWithInsertText) { + transformObjectLiteralMembersSortText(symbolsStartIndex); + collectObjectLiteralMethodSymbols(filteredMembers, objectLikeContainer); + } + } + return 1 /* GlobalsSearch.Success */; + } + /** + * Aggregates relevant symbols for completion in import clauses and export clauses + * whose declarations have a module specifier; for instance, symbols will be aggregated for + * + * import { | } from "moduleName"; + * export { a as foo, | } from "moduleName"; + * + * but not for + * + * export { | }; + * + * Relevant symbols are stored in the captured 'symbols' variable. + */ + function tryGetImportOrExportClauseCompletionSymbols() { + if (!contextToken) + return 0 /* GlobalsSearch.Continue */; + // `import { |` or `import { a as 0, | }` or `import { type | }` + var namedImportsOrExports = contextToken.kind === 18 /* SyntaxKind.OpenBraceToken */ || contextToken.kind === 27 /* SyntaxKind.CommaToken */ ? ts.tryCast(contextToken.parent, ts.isNamedImportsOrExports) : + ts.isTypeKeywordTokenOrIdentifier(contextToken) ? ts.tryCast(contextToken.parent.parent, ts.isNamedImportsOrExports) : undefined; + if (!namedImportsOrExports) + return 0 /* GlobalsSearch.Continue */; + // We can at least offer `type` at `import { |` + if (!ts.isTypeKeywordTokenOrIdentifier(contextToken)) { + keywordFilters = 8 /* KeywordCompletionFilters.TypeKeyword */; + } + // try to show exported member for imported/re-exported module + var moduleSpecifier = (namedImportsOrExports.kind === 269 /* SyntaxKind.NamedImports */ ? namedImportsOrExports.parent.parent : namedImportsOrExports.parent).moduleSpecifier; + if (!moduleSpecifier) { + isNewIdentifierLocation = true; + return namedImportsOrExports.kind === 269 /* SyntaxKind.NamedImports */ ? 2 /* GlobalsSearch.Fail */ : 0 /* GlobalsSearch.Continue */; + } + var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(moduleSpecifier); // TODO: GH#18217 + if (!moduleSpecifierSymbol) { + isNewIdentifierLocation = true; + return 2 /* GlobalsSearch.Fail */; + } + completionKind = 3 /* CompletionKind.MemberLike */; + isNewIdentifierLocation = false; + var exports = typeChecker.getExportsAndPropertiesOfModule(moduleSpecifierSymbol); + var existing = new ts.Set(namedImportsOrExports.elements.filter(function (n) { return !isCurrentlyEditingNode(n); }).map(function (n) { return (n.propertyName || n.name).escapedText; })); + var uniques = exports.filter(function (e) { return e.escapedName !== "default" /* InternalSymbolName.Default */ && !existing.has(e.escapedName); }); + symbols = ts.concatenate(symbols, uniques); + if (!uniques.length) { + // If there's nothing else to import, don't offer `type` either + keywordFilters = 0 /* KeywordCompletionFilters.None */; + } + return 1 /* GlobalsSearch.Success */; + } + /** + * Adds local declarations for completions in named exports: + * + * export { | }; + * + * Does not check for the absence of a module specifier (`export {} from "./other"`) + * because `tryGetImportOrExportClauseCompletionSymbols` runs first and handles that, + * preventing this function from running. + */ + function tryGetLocalNamedExportCompletionSymbols() { + var _a; + var namedExports = contextToken && (contextToken.kind === 18 /* SyntaxKind.OpenBraceToken */ || contextToken.kind === 27 /* SyntaxKind.CommaToken */) + ? ts.tryCast(contextToken.parent, ts.isNamedExports) + : undefined; + if (!namedExports) { + return 0 /* GlobalsSearch.Continue */; + } + var localsContainer = ts.findAncestor(namedExports, ts.or(ts.isSourceFile, ts.isModuleDeclaration)); + completionKind = 5 /* CompletionKind.None */; + isNewIdentifierLocation = false; + (_a = localsContainer.locals) === null || _a === void 0 ? void 0 : _a.forEach(function (symbol, name) { + var _a, _b; + symbols.push(symbol); + if ((_b = (_a = localsContainer.symbol) === null || _a === void 0 ? void 0 : _a.exports) === null || _b === void 0 ? void 0 : _b.has(name)) { + symbolToSortTextMap[ts.getSymbolId(symbol)] = Completions.SortText.OptionalMember; + } + }); + return 1 /* GlobalsSearch.Success */; + } + /** + * Aggregates relevant symbols for completion in class declaration + * Relevant symbols are stored in the captured 'symbols' variable. + */ + function tryGetClassLikeCompletionSymbols() { + var decl = tryGetObjectTypeDeclarationCompletionContainer(sourceFile, contextToken, location, position); + if (!decl) + return 0 /* GlobalsSearch.Continue */; + // We're looking up possible property names from parent type. + completionKind = 3 /* CompletionKind.MemberLike */; + // Declaring new property/method/accessor + isNewIdentifierLocation = true; + keywordFilters = contextToken.kind === 41 /* SyntaxKind.AsteriskToken */ ? 0 /* KeywordCompletionFilters.None */ : + ts.isClassLike(decl) ? 2 /* KeywordCompletionFilters.ClassElementKeywords */ : 3 /* KeywordCompletionFilters.InterfaceElementKeywords */; + // If you're in an interface you don't want to repeat things from super-interface. So just stop here. + if (!ts.isClassLike(decl)) + return 1 /* GlobalsSearch.Success */; + var classElement = contextToken.kind === 26 /* SyntaxKind.SemicolonToken */ ? contextToken.parent.parent : contextToken.parent; + var classElementModifierFlags = ts.isClassElement(classElement) ? ts.getEffectiveModifierFlags(classElement) : 0 /* ModifierFlags.None */; + // If this is context token is not something we are editing now, consider if this would lead to be modifier + if (contextToken.kind === 79 /* SyntaxKind.Identifier */ && !isCurrentlyEditingNode(contextToken)) { + switch (contextToken.getText()) { + case "private": + classElementModifierFlags = classElementModifierFlags | 8 /* ModifierFlags.Private */; + break; + case "static": + classElementModifierFlags = classElementModifierFlags | 32 /* ModifierFlags.Static */; + break; + case "override": + classElementModifierFlags = classElementModifierFlags | 16384 /* ModifierFlags.Override */; + break; + } + } + if (ts.isClassStaticBlockDeclaration(classElement)) { + classElementModifierFlags |= 32 /* ModifierFlags.Static */; + } + // No member list for private methods + if (!(classElementModifierFlags & 8 /* ModifierFlags.Private */)) { + // List of property symbols of base type that are not private and already implemented + var baseTypeNodes = ts.isClassLike(decl) && classElementModifierFlags & 16384 /* ModifierFlags.Override */ ? ts.singleElementArray(ts.getEffectiveBaseTypeNode(decl)) : ts.getAllSuperTypeNodes(decl); + var baseSymbols = ts.flatMap(baseTypeNodes, function (baseTypeNode) { + var type = typeChecker.getTypeAtLocation(baseTypeNode); + return classElementModifierFlags & 32 /* ModifierFlags.Static */ ? + (type === null || type === void 0 ? void 0 : type.symbol) && typeChecker.getPropertiesOfType(typeChecker.getTypeOfSymbolAtLocation(type.symbol, decl)) : + type && typeChecker.getPropertiesOfType(type); + }); + symbols = ts.concatenate(symbols, filterClassMembersList(baseSymbols, decl.members, classElementModifierFlags)); + } + return 1 /* GlobalsSearch.Success */; + } + function isConstructorParameterCompletion(node) { + return !!node.parent && ts.isParameter(node.parent) && ts.isConstructorDeclaration(node.parent.parent) + && (ts.isParameterPropertyModifier(node.kind) || ts.isDeclarationName(node)); + } + /** + * Returns the immediate owning class declaration of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetConstructorLikeCompletionContainer(contextToken) { + if (contextToken) { + var parent = contextToken.parent; + switch (contextToken.kind) { + case 20 /* SyntaxKind.OpenParenToken */: + case 27 /* SyntaxKind.CommaToken */: + return ts.isConstructorDeclaration(contextToken.parent) ? contextToken.parent : undefined; + default: + if (isConstructorParameterCompletion(contextToken)) { + return parent.parent; + } + } + } + return undefined; + } + function tryGetFunctionLikeBodyCompletionContainer(contextToken) { + if (contextToken) { + var prev_1; + var container = ts.findAncestor(contextToken.parent, function (node) { + if (ts.isClassLike(node)) { + return "quit"; + } + if (ts.isFunctionLikeDeclaration(node) && prev_1 === node.body) { + return true; + } + prev_1 = node; + return false; + }); + return container && container; + } + } + function tryGetContainingJsxElement(contextToken) { + if (contextToken) { + var parent = contextToken.parent; + switch (contextToken.kind) { + case 31 /* SyntaxKind.GreaterThanToken */: // End of a type argument list + case 30 /* SyntaxKind.LessThanSlashToken */: + case 43 /* SyntaxKind.SlashToken */: + case 79 /* SyntaxKind.Identifier */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 286 /* SyntaxKind.JsxAttributes */: + case 285 /* SyntaxKind.JsxAttribute */: + case 287 /* SyntaxKind.JsxSpreadAttribute */: + if (parent && (parent.kind === 279 /* SyntaxKind.JsxSelfClosingElement */ || parent.kind === 280 /* SyntaxKind.JsxOpeningElement */)) { + if (contextToken.kind === 31 /* SyntaxKind.GreaterThanToken */) { + var precedingToken = ts.findPrecedingToken(contextToken.pos, sourceFile, /*startNode*/ undefined); + if (!parent.typeArguments || (precedingToken && precedingToken.kind === 43 /* SyntaxKind.SlashToken */)) + break; + } + return parent; + } + else if (parent.kind === 285 /* SyntaxKind.JsxAttribute */) { + // Currently we parse JsxOpeningLikeElement as: + // JsxOpeningLikeElement + // attributes: JsxAttributes + // properties: NodeArray + return parent.parent.parent; + } + break; + // The context token is the closing } or " of an attribute, which means + // its parent is a JsxExpression, whose parent is a JsxAttribute, + // whose parent is a JsxOpeningLikeElement + case 10 /* SyntaxKind.StringLiteral */: + if (parent && ((parent.kind === 285 /* SyntaxKind.JsxAttribute */) || (parent.kind === 287 /* SyntaxKind.JsxSpreadAttribute */))) { + // Currently we parse JsxOpeningLikeElement as: + // JsxOpeningLikeElement + // attributes: JsxAttributes + // properties: NodeArray + return parent.parent.parent; + } + break; + case 19 /* SyntaxKind.CloseBraceToken */: + if (parent && + parent.kind === 288 /* SyntaxKind.JsxExpression */ && + parent.parent && parent.parent.kind === 285 /* SyntaxKind.JsxAttribute */) { + // Currently we parse JsxOpeningLikeElement as: + // JsxOpeningLikeElement + // attributes: JsxAttributes + // properties: NodeArray + // each JsxAttribute can have initializer as JsxExpression + return parent.parent.parent.parent; + } + if (parent && parent.kind === 287 /* SyntaxKind.JsxSpreadAttribute */) { + // Currently we parse JsxOpeningLikeElement as: + // JsxOpeningLikeElement + // attributes: JsxAttributes + // properties: NodeArray + return parent.parent.parent; + } + break; + } + } + return undefined; + } + /** + * @returns true if we are certain that the currently edited location must define a new location; false otherwise. + */ + function isSolelyIdentifierDefinitionLocation(contextToken) { + var parent = contextToken.parent; + var containingNodeKind = parent.kind; + switch (contextToken.kind) { + case 27 /* SyntaxKind.CommaToken */: + return containingNodeKind === 254 /* SyntaxKind.VariableDeclaration */ || + isVariableDeclarationListButNotTypeArgument(contextToken) || + containingNodeKind === 237 /* SyntaxKind.VariableStatement */ || + containingNodeKind === 260 /* SyntaxKind.EnumDeclaration */ || // enum a { foo, | + isFunctionLikeButNotConstructor(containingNodeKind) || + containingNodeKind === 258 /* SyntaxKind.InterfaceDeclaration */ || // interface A= contextToken.pos); + case 24 /* SyntaxKind.DotToken */: + return containingNodeKind === 202 /* SyntaxKind.ArrayBindingPattern */; // var [.| + case 58 /* SyntaxKind.ColonToken */: + return containingNodeKind === 203 /* SyntaxKind.BindingElement */; // var {x :html| + case 22 /* SyntaxKind.OpenBracketToken */: + return containingNodeKind === 202 /* SyntaxKind.ArrayBindingPattern */; // var [x| + case 20 /* SyntaxKind.OpenParenToken */: + return containingNodeKind === 292 /* SyntaxKind.CatchClause */ || + isFunctionLikeButNotConstructor(containingNodeKind); + case 18 /* SyntaxKind.OpenBraceToken */: + return containingNodeKind === 260 /* SyntaxKind.EnumDeclaration */; // enum a { | + case 29 /* SyntaxKind.LessThanToken */: + return containingNodeKind === 257 /* SyntaxKind.ClassDeclaration */ || // class A< | + containingNodeKind === 226 /* SyntaxKind.ClassExpression */ || // var C = class D< | + containingNodeKind === 258 /* SyntaxKind.InterfaceDeclaration */ || // interface A< | + containingNodeKind === 259 /* SyntaxKind.TypeAliasDeclaration */ || // type List< | + ts.isFunctionLikeKind(containingNodeKind); + case 124 /* SyntaxKind.StaticKeyword */: + return containingNodeKind === 167 /* SyntaxKind.PropertyDeclaration */ && !ts.isClassLike(parent.parent); + case 25 /* SyntaxKind.DotDotDotToken */: + return containingNodeKind === 164 /* SyntaxKind.Parameter */ || + (!!parent.parent && parent.parent.kind === 202 /* SyntaxKind.ArrayBindingPattern */); // var [...z| + case 123 /* SyntaxKind.PublicKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + return containingNodeKind === 164 /* SyntaxKind.Parameter */ && !ts.isConstructorDeclaration(parent.parent); + case 127 /* SyntaxKind.AsKeyword */: + return containingNodeKind === 270 /* SyntaxKind.ImportSpecifier */ || + containingNodeKind === 275 /* SyntaxKind.ExportSpecifier */ || + containingNodeKind === 268 /* SyntaxKind.NamespaceImport */; + case 136 /* SyntaxKind.GetKeyword */: + case 149 /* SyntaxKind.SetKeyword */: + return !isFromObjectTypeDeclaration(contextToken); + case 79 /* SyntaxKind.Identifier */: + if (containingNodeKind === 270 /* SyntaxKind.ImportSpecifier */ && + contextToken === parent.name && + contextToken.text === "type") { + // import { type | } + return false; + } + break; + case 84 /* SyntaxKind.ClassKeyword */: + case 92 /* SyntaxKind.EnumKeyword */: + case 118 /* SyntaxKind.InterfaceKeyword */: + case 98 /* SyntaxKind.FunctionKeyword */: + case 113 /* SyntaxKind.VarKeyword */: + case 100 /* SyntaxKind.ImportKeyword */: + case 119 /* SyntaxKind.LetKeyword */: + case 85 /* SyntaxKind.ConstKeyword */: + case 137 /* SyntaxKind.InferKeyword */: + return true; + case 152 /* SyntaxKind.TypeKeyword */: + // import { type foo| } + return containingNodeKind !== 270 /* SyntaxKind.ImportSpecifier */; + case 41 /* SyntaxKind.AsteriskToken */: + return ts.isFunctionLike(contextToken.parent) && !ts.isMethodDeclaration(contextToken.parent); + } + // If the previous token is keyword corresponding to class member completion keyword + // there will be completion available here + if (isClassMemberCompletionKeyword(keywordForNode(contextToken)) && isFromObjectTypeDeclaration(contextToken)) { + return false; + } + if (isConstructorParameterCompletion(contextToken)) { + // constructor parameter completion is available only if + // - its modifier of the constructor parameter or + // - its name of the parameter and not being edited + // eg. constructor(a |<- this shouldnt show completion + if (!ts.isIdentifier(contextToken) || + ts.isParameterPropertyModifier(keywordForNode(contextToken)) || + isCurrentlyEditingNode(contextToken)) { + return false; + } + } + // Previous token may have been a keyword that was converted to an identifier. + switch (keywordForNode(contextToken)) { + case 126 /* SyntaxKind.AbstractKeyword */: + case 84 /* SyntaxKind.ClassKeyword */: + case 85 /* SyntaxKind.ConstKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 92 /* SyntaxKind.EnumKeyword */: + case 98 /* SyntaxKind.FunctionKeyword */: + case 118 /* SyntaxKind.InterfaceKeyword */: + case 119 /* SyntaxKind.LetKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 123 /* SyntaxKind.PublicKeyword */: + case 124 /* SyntaxKind.StaticKeyword */: + case 113 /* SyntaxKind.VarKeyword */: + return true; + case 131 /* SyntaxKind.AsyncKeyword */: + return ts.isPropertyDeclaration(contextToken.parent); + } + // If we are inside a class declaration, and `constructor` is totally not present, + // but we request a completion manually at a whitespace... + var ancestorClassLike = ts.findAncestor(contextToken.parent, ts.isClassLike); + if (ancestorClassLike && contextToken === previousToken && isPreviousPropertyDeclarationTerminated(contextToken, position)) { + return false; // Don't block completions. + } + var ancestorPropertyDeclaraion = ts.getAncestor(contextToken.parent, 167 /* SyntaxKind.PropertyDeclaration */); + // If we are inside a class declaration and typing `constructor` after property declaration... + if (ancestorPropertyDeclaraion + && contextToken !== previousToken + && ts.isClassLike(previousToken.parent.parent) + // And the cursor is at the token... + && position <= previousToken.end) { + // If we are sure that the previous property declaration is terminated according to newline or semicolon... + if (isPreviousPropertyDeclarationTerminated(contextToken, previousToken.end)) { + return false; // Don't block completions. + } + else if (contextToken.kind !== 63 /* SyntaxKind.EqualsToken */ + // Should not block: `class C { blah = c/**/ }` + // But should block: `class C { blah = somewhat c/**/ }` and `class C { blah: SomeType c/**/ }` + && (ts.isInitializedProperty(ancestorPropertyDeclaraion) + || ts.hasType(ancestorPropertyDeclaraion))) { + return true; + } + } + return ts.isDeclarationName(contextToken) + && !ts.isShorthandPropertyAssignment(contextToken.parent) + && !ts.isJsxAttribute(contextToken.parent) + // Don't block completions if we're in `class C /**/`, because we're *past* the end of the identifier and might want to complete `extends`. + // If `contextToken !== previousToken`, this is `class C ex/**/`. + && !(ts.isClassLike(contextToken.parent) && (contextToken !== previousToken || position > previousToken.end)); + } + function isPreviousPropertyDeclarationTerminated(contextToken, position) { + return contextToken.kind !== 63 /* SyntaxKind.EqualsToken */ && + (contextToken.kind === 26 /* SyntaxKind.SemicolonToken */ + || !ts.positionsAreOnSameLine(contextToken.end, position, sourceFile)); + } + function isFunctionLikeButNotConstructor(kind) { + return ts.isFunctionLikeKind(kind) && kind !== 171 /* SyntaxKind.Constructor */; + } + function isDotOfNumericLiteral(contextToken) { + if (contextToken.kind === 8 /* SyntaxKind.NumericLiteral */) { + var text = contextToken.getFullText(); + return text.charAt(text.length - 1) === "."; + } + return false; + } + function isVariableDeclarationListButNotTypeArgument(node) { + return node.parent.kind === 255 /* SyntaxKind.VariableDeclarationList */ + && !ts.isPossiblyTypeArgumentPosition(node, sourceFile, typeChecker); + } + /** + * Filters out completion suggestions for named imports or exports. + * + * @returns Symbols to be suggested in an object binding pattern or object literal expression, barring those whose declarations + * do not occur at the current position and have not otherwise been typed. + */ + function filterObjectMembersList(contextualMemberSymbols, existingMembers) { + if (existingMembers.length === 0) { + return contextualMemberSymbols; + } + var membersDeclaredBySpreadAssignment = new ts.Set(); + var existingMemberNames = new ts.Set(); + for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { + var m = existingMembers_1[_i]; + // Ignore omitted expressions for missing members + if (m.kind !== 296 /* SyntaxKind.PropertyAssignment */ && + m.kind !== 297 /* SyntaxKind.ShorthandPropertyAssignment */ && + m.kind !== 203 /* SyntaxKind.BindingElement */ && + m.kind !== 169 /* SyntaxKind.MethodDeclaration */ && + m.kind !== 172 /* SyntaxKind.GetAccessor */ && + m.kind !== 173 /* SyntaxKind.SetAccessor */ && + m.kind !== 298 /* SyntaxKind.SpreadAssignment */) { + continue; + } + // If this is the current item we are editing right now, do not filter it out + if (isCurrentlyEditingNode(m)) { + continue; + } + var existingName = void 0; + if (ts.isSpreadAssignment(m)) { + setMembersDeclaredBySpreadAssignment(m, membersDeclaredBySpreadAssignment); + } + else if (ts.isBindingElement(m) && m.propertyName) { + // include only identifiers in completion list + if (m.propertyName.kind === 79 /* SyntaxKind.Identifier */) { + existingName = m.propertyName.escapedText; + } + } + else { + // TODO: Account for computed property name + // NOTE: if one only performs this step when m.name is an identifier, + // things like '__proto__' are not filtered out. + var name = ts.getNameOfDeclaration(m); + existingName = name && ts.isPropertyNameLiteral(name) ? ts.getEscapedTextOfIdentifierOrLiteral(name) : undefined; + } + if (existingName !== undefined) { + existingMemberNames.add(existingName); + } + } + var filteredSymbols = contextualMemberSymbols.filter(function (m) { return !existingMemberNames.has(m.escapedName); }); + setSortTextToMemberDeclaredBySpreadAssignment(membersDeclaredBySpreadAssignment, filteredSymbols); + return filteredSymbols; + } + function setMembersDeclaredBySpreadAssignment(declaration, membersDeclaredBySpreadAssignment) { + var expression = declaration.expression; + var symbol = typeChecker.getSymbolAtLocation(expression); + var type = symbol && typeChecker.getTypeOfSymbolAtLocation(symbol, expression); + var properties = type && type.properties; + if (properties) { + properties.forEach(function (property) { + membersDeclaredBySpreadAssignment.add(property.name); + }); + } + } + // Set SortText to OptionalMember if it is an optional member + function setSortTextToOptionalMember() { + symbols.forEach(function (m) { + var _a; + if (m.flags & 16777216 /* SymbolFlags.Optional */) { + var symbolId = ts.getSymbolId(m); + symbolToSortTextMap[symbolId] = (_a = symbolToSortTextMap[symbolId]) !== null && _a !== void 0 ? _a : Completions.SortText.OptionalMember; + } + }); + } + // Set SortText to MemberDeclaredBySpreadAssignment if it is fulfilled by spread assignment + function setSortTextToMemberDeclaredBySpreadAssignment(membersDeclaredBySpreadAssignment, contextualMemberSymbols) { + if (membersDeclaredBySpreadAssignment.size === 0) { + return; + } + for (var _i = 0, contextualMemberSymbols_1 = contextualMemberSymbols; _i < contextualMemberSymbols_1.length; _i++) { + var contextualMemberSymbol = contextualMemberSymbols_1[_i]; + if (membersDeclaredBySpreadAssignment.has(contextualMemberSymbol.name)) { + symbolToSortTextMap[ts.getSymbolId(contextualMemberSymbol)] = Completions.SortText.MemberDeclaredBySpreadAssignment; + } + } + } + function transformObjectLiteralMembersSortText(start) { + var _a; + for (var i = start; i < symbols.length; i++) { + var symbol = symbols[i]; + var symbolId = ts.getSymbolId(symbol); + var origin = symbolToOriginInfoMap === null || symbolToOriginInfoMap === void 0 ? void 0 : symbolToOriginInfoMap[i]; + var target = ts.getEmitScriptTarget(compilerOptions); + var displayName = getCompletionEntryDisplayNameForSymbol(symbol, target, origin, 0 /* CompletionKind.ObjectPropertyDeclaration */, + /*jsxIdentifierExpected*/ false); + if (displayName) { + var originalSortText = (_a = symbolToSortTextMap[symbolId]) !== null && _a !== void 0 ? _a : Completions.SortText.LocationPriority; + var name = displayName.name; + symbolToSortTextMap[symbolId] = Completions.SortText.ObjectLiteralProperty(originalSortText, name); + } + } + } + /** + * Filters out completion suggestions for class elements. + * + * @returns Symbols to be suggested in an class element depending on existing memebers and symbol flags + */ + function filterClassMembersList(baseSymbols, existingMembers, currentClassElementModifierFlags) { + var existingMemberNames = new ts.Set(); + for (var _i = 0, existingMembers_2 = existingMembers; _i < existingMembers_2.length; _i++) { + var m = existingMembers_2[_i]; + // Ignore omitted expressions for missing members + if (m.kind !== 167 /* SyntaxKind.PropertyDeclaration */ && + m.kind !== 169 /* SyntaxKind.MethodDeclaration */ && + m.kind !== 172 /* SyntaxKind.GetAccessor */ && + m.kind !== 173 /* SyntaxKind.SetAccessor */) { + continue; + } + // If this is the current item we are editing right now, do not filter it out + if (isCurrentlyEditingNode(m)) { + continue; + } + // Dont filter member even if the name matches if it is declared private in the list + if (ts.hasEffectiveModifier(m, 8 /* ModifierFlags.Private */)) { + continue; + } + // do not filter it out if the static presence doesnt match + if (ts.isStatic(m) !== !!(currentClassElementModifierFlags & 32 /* ModifierFlags.Static */)) { + continue; + } + var existingName = ts.getPropertyNameForPropertyNameNode(m.name); + if (existingName) { + existingMemberNames.add(existingName); + } + } + return baseSymbols.filter(function (propertySymbol) { + return !existingMemberNames.has(propertySymbol.escapedName) && + !!propertySymbol.declarations && + !(ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & 8 /* ModifierFlags.Private */) && + !(propertySymbol.valueDeclaration && ts.isPrivateIdentifierClassElementDeclaration(propertySymbol.valueDeclaration)); + }); + } + /** + * Filters out completion suggestions from 'symbols' according to existing JSX attributes. + * + * @returns Symbols to be suggested in a JSX element, barring those whose attributes + * do not occur at the current position and have not otherwise been typed. + */ + function filterJsxAttributes(symbols, attributes) { + var seenNames = new ts.Set(); + var membersDeclaredBySpreadAssignment = new ts.Set(); + for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { + var attr = attributes_1[_i]; + // If this is the current item we are editing right now, do not filter it out + if (isCurrentlyEditingNode(attr)) { + continue; + } + if (attr.kind === 285 /* SyntaxKind.JsxAttribute */) { + seenNames.add(attr.name.escapedText); + } + else if (ts.isJsxSpreadAttribute(attr)) { + setMembersDeclaredBySpreadAssignment(attr, membersDeclaredBySpreadAssignment); + } + } + var filteredSymbols = symbols.filter(function (a) { return !seenNames.has(a.escapedName); }); + setSortTextToMemberDeclaredBySpreadAssignment(membersDeclaredBySpreadAssignment, filteredSymbols); + return filteredSymbols; + } + function isCurrentlyEditingNode(node) { + return node.getStart(sourceFile) <= position && position <= node.getEnd(); + } + } + /** + * Returns the immediate owning object literal or binding pattern of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetObjectLikeCompletionContainer(contextToken) { + if (contextToken) { + var parent = contextToken.parent; + switch (contextToken.kind) { + case 18 /* SyntaxKind.OpenBraceToken */: // const x = { | + case 27 /* SyntaxKind.CommaToken */: // const x = { a: 0, | + if (ts.isObjectLiteralExpression(parent) || ts.isObjectBindingPattern(parent)) { + return parent; + } + break; + case 41 /* SyntaxKind.AsteriskToken */: + return ts.isMethodDeclaration(parent) ? ts.tryCast(parent.parent, ts.isObjectLiteralExpression) : undefined; + case 79 /* SyntaxKind.Identifier */: + return contextToken.text === "async" && ts.isShorthandPropertyAssignment(contextToken.parent) + ? contextToken.parent.parent : undefined; + } + } + return undefined; + } + function getRelevantTokens(position, sourceFile) { + var previousToken = ts.findPrecedingToken(position, sourceFile); + if (previousToken && position <= previousToken.end && (ts.isMemberName(previousToken) || ts.isKeyword(previousToken.kind))) { + var contextToken = ts.findPrecedingToken(previousToken.getFullStart(), sourceFile, /*startNode*/ undefined); // TODO: GH#18217 + return { contextToken: contextToken, previousToken: previousToken }; + } + return { contextToken: previousToken, previousToken: previousToken }; + } + function getAutoImportSymbolFromCompletionEntryData(name, data, program, host) { + var containingProgram = data.isPackageJsonImport ? host.getPackageJsonAutoImportProvider() : program; + var checker = containingProgram.getTypeChecker(); + var moduleSymbol = data.ambientModuleName ? checker.tryFindAmbientModule(data.ambientModuleName) : + data.fileName ? checker.getMergedSymbol(ts.Debug.checkDefined(containingProgram.getSourceFile(data.fileName)).symbol) : + undefined; + if (!moduleSymbol) + return undefined; + var symbol = data.exportName === "export=" /* InternalSymbolName.ExportEquals */ + ? checker.resolveExternalModuleSymbol(moduleSymbol) + : checker.tryGetMemberInModuleExportsAndProperties(data.exportName, moduleSymbol); + if (!symbol) + return undefined; + var isDefaultExport = data.exportName === "default" /* InternalSymbolName.Default */; + symbol = isDefaultExport && ts.getLocalSymbolForExportDefault(symbol) || symbol; + return { symbol: symbol, origin: completionEntryDataToSymbolOriginInfo(data, name, moduleSymbol) }; + } + function getCompletionEntryDisplayNameForSymbol(symbol, target, origin, kind, jsxIdentifierExpected) { + var name = originIncludesSymbolName(origin) ? origin.symbolName : symbol.name; + if (name === undefined + // If the symbol is external module, don't show it in the completion list + // (i.e declare module "http" { const x; } | // <= request completion here, "http" should not be there) + || symbol.flags & 1536 /* SymbolFlags.Module */ && ts.isSingleOrDoubleQuote(name.charCodeAt(0)) + // If the symbol is the internal name of an ES symbol, it is not a valid entry. Internal names for ES symbols start with "__@" + || ts.isKnownSymbol(symbol)) { + return undefined; + } + var validNameResult = { name: name, needsConvertPropertyAccess: false }; + if (ts.isIdentifierText(name, target, jsxIdentifierExpected ? 1 /* LanguageVariant.JSX */ : 0 /* LanguageVariant.Standard */) || symbol.valueDeclaration && ts.isPrivateIdentifierClassElementDeclaration(symbol.valueDeclaration)) { + return validNameResult; + } + switch (kind) { + case 3 /* CompletionKind.MemberLike */: + return undefined; + case 0 /* CompletionKind.ObjectPropertyDeclaration */: + // TODO: GH#18169 + return { name: JSON.stringify(name), needsConvertPropertyAccess: false }; + case 2 /* CompletionKind.PropertyAccess */: + case 1 /* CompletionKind.Global */: // For a 'this.' completion it will be in a global context, but may have a non-identifier name. + // Don't add a completion for a name starting with a space. See https://github.com/Microsoft/TypeScript/pull/20547 + return name.charCodeAt(0) === 32 /* CharacterCodes.space */ ? undefined : { name: name, needsConvertPropertyAccess: true }; + case 5 /* CompletionKind.None */: + case 4 /* CompletionKind.String */: + return validNameResult; + default: + ts.Debug.assertNever(kind); + } + } + // A cache of completion entries for keywords, these do not change between sessions + var _keywordCompletions = []; + var allKeywordsCompletions = ts.memoize(function () { + var res = []; + for (var i = 81 /* SyntaxKind.FirstKeyword */; i <= 160 /* SyntaxKind.LastKeyword */; i++) { + res.push({ + name: ts.tokenToString(i), + kind: "keyword" /* ScriptElementKind.keyword */, + kindModifiers: "" /* ScriptElementKindModifier.none */, + sortText: Completions.SortText.GlobalsOrKeywords + }); + } + return res; + }); + function getKeywordCompletions(keywordFilter, filterOutTsOnlyKeywords) { + if (!filterOutTsOnlyKeywords) + return getTypescriptKeywordCompletions(keywordFilter); + var index = keywordFilter + 8 /* KeywordCompletionFilters.Last */ + 1; + return _keywordCompletions[index] || + (_keywordCompletions[index] = getTypescriptKeywordCompletions(keywordFilter) + .filter(function (entry) { return !isTypeScriptOnlyKeyword(ts.stringToToken(entry.name)); })); + } + function getTypescriptKeywordCompletions(keywordFilter) { + return _keywordCompletions[keywordFilter] || (_keywordCompletions[keywordFilter] = allKeywordsCompletions().filter(function (entry) { + var kind = ts.stringToToken(entry.name); + switch (keywordFilter) { + case 0 /* KeywordCompletionFilters.None */: + return false; + case 1 /* KeywordCompletionFilters.All */: + return isFunctionLikeBodyKeyword(kind) + || kind === 135 /* SyntaxKind.DeclareKeyword */ + || kind === 141 /* SyntaxKind.ModuleKeyword */ + || kind === 152 /* SyntaxKind.TypeKeyword */ + || kind === 142 /* SyntaxKind.NamespaceKeyword */ + || kind === 126 /* SyntaxKind.AbstractKeyword */ + || ts.isTypeKeyword(kind) && kind !== 153 /* SyntaxKind.UndefinedKeyword */; + case 5 /* KeywordCompletionFilters.FunctionLikeBodyKeywords */: + return isFunctionLikeBodyKeyword(kind); + case 2 /* KeywordCompletionFilters.ClassElementKeywords */: + return isClassMemberCompletionKeyword(kind); + case 3 /* KeywordCompletionFilters.InterfaceElementKeywords */: + return isInterfaceOrTypeLiteralCompletionKeyword(kind); + case 4 /* KeywordCompletionFilters.ConstructorParameterKeywords */: + return ts.isParameterPropertyModifier(kind); + case 6 /* KeywordCompletionFilters.TypeAssertionKeywords */: + return ts.isTypeKeyword(kind) || kind === 85 /* SyntaxKind.ConstKeyword */; + case 7 /* KeywordCompletionFilters.TypeKeywords */: + return ts.isTypeKeyword(kind); + case 8 /* KeywordCompletionFilters.TypeKeyword */: + return kind === 152 /* SyntaxKind.TypeKeyword */; + default: + return ts.Debug.assertNever(keywordFilter); + } + })); + } + function isTypeScriptOnlyKeyword(kind) { + switch (kind) { + case 126 /* SyntaxKind.AbstractKeyword */: + case 130 /* SyntaxKind.AnyKeyword */: + case 158 /* SyntaxKind.BigIntKeyword */: + case 133 /* SyntaxKind.BooleanKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 92 /* SyntaxKind.EnumKeyword */: + case 157 /* SyntaxKind.GlobalKeyword */: + case 117 /* SyntaxKind.ImplementsKeyword */: + case 137 /* SyntaxKind.InferKeyword */: + case 118 /* SyntaxKind.InterfaceKeyword */: + case 139 /* SyntaxKind.IsKeyword */: + case 140 /* SyntaxKind.KeyOfKeyword */: + case 141 /* SyntaxKind.ModuleKeyword */: + case 142 /* SyntaxKind.NamespaceKeyword */: + case 143 /* SyntaxKind.NeverKeyword */: + case 147 /* SyntaxKind.NumberKeyword */: + case 148 /* SyntaxKind.ObjectKeyword */: + case 159 /* SyntaxKind.OverrideKeyword */: + case 121 /* SyntaxKind.PrivateKeyword */: + case 122 /* SyntaxKind.ProtectedKeyword */: + case 123 /* SyntaxKind.PublicKeyword */: + case 145 /* SyntaxKind.ReadonlyKeyword */: + case 150 /* SyntaxKind.StringKeyword */: + case 151 /* SyntaxKind.SymbolKeyword */: + case 152 /* SyntaxKind.TypeKeyword */: + case 154 /* SyntaxKind.UniqueKeyword */: + case 155 /* SyntaxKind.UnknownKeyword */: + return true; + default: + return false; + } + } + function isInterfaceOrTypeLiteralCompletionKeyword(kind) { + return kind === 145 /* SyntaxKind.ReadonlyKeyword */; + } + function isClassMemberCompletionKeyword(kind) { + switch (kind) { + case 126 /* SyntaxKind.AbstractKeyword */: + case 134 /* SyntaxKind.ConstructorKeyword */: + case 136 /* SyntaxKind.GetKeyword */: + case 149 /* SyntaxKind.SetKeyword */: + case 131 /* SyntaxKind.AsyncKeyword */: + case 135 /* SyntaxKind.DeclareKeyword */: + case 159 /* SyntaxKind.OverrideKeyword */: + return true; + default: + return ts.isClassMemberModifier(kind); + } + } + function isFunctionLikeBodyKeyword(kind) { + return kind === 131 /* SyntaxKind.AsyncKeyword */ + || kind === 132 /* SyntaxKind.AwaitKeyword */ + || kind === 127 /* SyntaxKind.AsKeyword */ + || !ts.isContextualKeyword(kind) && !isClassMemberCompletionKeyword(kind); + } + function keywordForNode(node) { + return ts.isIdentifier(node) ? node.originalKeywordKind || 0 /* SyntaxKind.Unknown */ : node.kind; + } + function getContextualKeywords(contextToken, position) { + var entries = []; + /** + * An `AssertClause` can come after an import declaration: + * import * from "foo" | + * import "foo" | + * or after a re-export declaration that has a module specifier: + * export { foo } from "foo" | + * Source: https://tc39.es/proposal-import-assertions/ + */ + if (contextToken) { + var file = contextToken.getSourceFile(); + var parent = contextToken.parent; + var tokenLine = file.getLineAndCharacterOfPosition(contextToken.end).line; + var currentLine = file.getLineAndCharacterOfPosition(position).line; + if ((ts.isImportDeclaration(parent) || ts.isExportDeclaration(parent) && parent.moduleSpecifier) + && contextToken === parent.moduleSpecifier + && tokenLine === currentLine) { + entries.push({ + name: ts.tokenToString(129 /* SyntaxKind.AssertKeyword */), + kind: "keyword" /* ScriptElementKind.keyword */, + kindModifiers: "" /* ScriptElementKindModifier.none */, + sortText: Completions.SortText.GlobalsOrKeywords, + }); + } + } + return entries; + } + /** Get the corresponding JSDocTag node if the position is in a jsDoc comment */ + function getJsDocTagAtPosition(node, position) { + return ts.findAncestor(node, function (n) { + return ts.isJSDocTag(n) && ts.rangeContainsPosition(n, position) ? true : + ts.isJSDoc(n) ? "quit" : false; + }); + } + function getPropertiesForObjectExpression(contextualType, completionsType, obj, checker) { + var hasCompletionsType = completionsType && completionsType !== contextualType; + var type = hasCompletionsType && !(completionsType.flags & 3 /* TypeFlags.AnyOrUnknown */) + ? checker.getUnionType([contextualType, completionsType]) + : contextualType; + var properties = getApparentProperties(type, obj, checker); + return type.isClass() && containsNonPublicProperties(properties) ? [] : + hasCompletionsType ? ts.filter(properties, hasDeclarationOtherThanSelf) : properties; + // Filter out members whose only declaration is the object literal itself to avoid + // self-fulfilling completions like: + // + // function f(x: T) {} + // f({ abc/**/: "" }) // `abc` is a member of `T` but only because it declares itself + function hasDeclarationOtherThanSelf(member) { + if (!ts.length(member.declarations)) + return true; + return ts.some(member.declarations, function (decl) { return decl.parent !== obj; }); + } + } + Completions.getPropertiesForObjectExpression = getPropertiesForObjectExpression; + function getApparentProperties(type, node, checker) { + if (!type.isUnion()) + return type.getApparentProperties(); + return checker.getAllPossiblePropertiesOfTypes(ts.filter(type.types, function (memberType) { + return !(memberType.flags & 131068 /* TypeFlags.Primitive */ + || checker.isArrayLikeType(memberType) + || checker.isTypeInvalidDueToUnionDiscriminant(memberType, node) + || ts.typeHasCallOrConstructSignatures(memberType, checker) + || memberType.isClass() && containsNonPublicProperties(memberType.getApparentProperties())); + })); + } + function containsNonPublicProperties(props) { + return ts.some(props, function (p) { return !!(ts.getDeclarationModifierFlagsFromSymbol(p) & 24 /* ModifierFlags.NonPublicAccessibilityModifier */); }); + } + /** + * Gets all properties on a type, but if that type is a union of several types, + * excludes array-like types or callable/constructable types. + */ + function getPropertiesForCompletion(type, checker) { + return type.isUnion() + ? ts.Debug.checkEachDefined(checker.getAllPossiblePropertiesOfTypes(type.types), "getAllPossiblePropertiesOfTypes() should all be defined") + : ts.Debug.checkEachDefined(type.getApparentProperties(), "getApparentProperties() should all be defined"); + } + /** + * Returns the immediate owning class declaration of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetObjectTypeDeclarationCompletionContainer(sourceFile, contextToken, location, position) { + // class c { method() { } | method2() { } } + switch (location.kind) { + case 348 /* SyntaxKind.SyntaxList */: + return ts.tryCast(location.parent, ts.isObjectTypeDeclaration); + case 1 /* SyntaxKind.EndOfFileToken */: + var cls = ts.tryCast(ts.lastOrUndefined(ts.cast(location.parent, ts.isSourceFile).statements), ts.isObjectTypeDeclaration); + if (cls && !ts.findChildOfKind(cls, 19 /* SyntaxKind.CloseBraceToken */, sourceFile)) { + return cls; + } + break; + case 79 /* SyntaxKind.Identifier */: { + // class c { public prop = c| } + if (ts.isPropertyDeclaration(location.parent) && location.parent.initializer === location) { + return undefined; + } + // class c extends React.Component { a: () => 1\n compon| } + if (isFromObjectTypeDeclaration(location)) { + return ts.findAncestor(location, ts.isObjectTypeDeclaration); + } + } + } + if (!contextToken) + return undefined; + // class C { blah; constructor/**/ } and so on + if (location.kind === 134 /* SyntaxKind.ConstructorKeyword */ + // class C { blah \n constructor/**/ } + || (ts.isIdentifier(contextToken) && ts.isPropertyDeclaration(contextToken.parent) && ts.isClassLike(location))) { + return ts.findAncestor(contextToken, ts.isClassLike); + } + switch (contextToken.kind) { + case 63 /* SyntaxKind.EqualsToken */: // class c { public prop = | /* global completions */ } + return undefined; + case 26 /* SyntaxKind.SemicolonToken */: // class c {getValue(): number; | } + case 19 /* SyntaxKind.CloseBraceToken */: // class c { method() { } | } + // class c { method() { } b| } + return isFromObjectTypeDeclaration(location) && location.parent.name === location + ? location.parent.parent + : ts.tryCast(location, ts.isObjectTypeDeclaration); + case 18 /* SyntaxKind.OpenBraceToken */: // class c { | + case 27 /* SyntaxKind.CommaToken */: // class c {getValue(): number, | } + return ts.tryCast(contextToken.parent, ts.isObjectTypeDeclaration); + default: + if (!isFromObjectTypeDeclaration(contextToken)) { + // class c extends React.Component { a: () => 1\n| } + if (ts.getLineAndCharacterOfPosition(sourceFile, contextToken.getEnd()).line !== ts.getLineAndCharacterOfPosition(sourceFile, position).line && ts.isObjectTypeDeclaration(location)) { + return location; + } + return undefined; + } + var isValidKeyword = ts.isClassLike(contextToken.parent.parent) ? isClassMemberCompletionKeyword : isInterfaceOrTypeLiteralCompletionKeyword; + return (isValidKeyword(contextToken.kind) || contextToken.kind === 41 /* SyntaxKind.AsteriskToken */ || ts.isIdentifier(contextToken) && isValidKeyword(ts.stringToToken(contextToken.text))) // TODO: GH#18217 + ? contextToken.parent.parent : undefined; + } + } + function tryGetTypeLiteralNode(node) { + if (!node) + return undefined; + var parent = node.parent; + switch (node.kind) { + case 18 /* SyntaxKind.OpenBraceToken */: + if (ts.isTypeLiteralNode(parent)) { + return parent; + } + break; + case 26 /* SyntaxKind.SemicolonToken */: + case 27 /* SyntaxKind.CommaToken */: + case 79 /* SyntaxKind.Identifier */: + if (parent.kind === 166 /* SyntaxKind.PropertySignature */ && ts.isTypeLiteralNode(parent.parent)) { + return parent.parent; + } + break; + } + return undefined; + } + function getConstraintOfTypeArgumentProperty(node, checker) { + if (!node) + return undefined; + if (ts.isTypeNode(node) && ts.isTypeReferenceType(node.parent)) { + return checker.getTypeArgumentConstraint(node); + } + var t = getConstraintOfTypeArgumentProperty(node.parent, checker); + if (!t) + return undefined; + switch (node.kind) { + case 166 /* SyntaxKind.PropertySignature */: + return checker.getTypeOfPropertyOfContextualType(t, node.symbol.escapedName); + case 188 /* SyntaxKind.IntersectionType */: + case 182 /* SyntaxKind.TypeLiteral */: + case 187 /* SyntaxKind.UnionType */: + return t; + } + } + // TODO: GH#19856 Would like to return `node is Node & { parent: (ClassElement | TypeElement) & { parent: ObjectTypeDeclaration } }` but then compilation takes > 10 minutes + function isFromObjectTypeDeclaration(node) { + return node.parent && ts.isClassOrTypeElement(node.parent) && ts.isObjectTypeDeclaration(node.parent.parent); + } + function isValidTrigger(sourceFile, triggerCharacter, contextToken, position) { + switch (triggerCharacter) { + case ".": + case "@": + return true; + case '"': + case "'": + case "`": + // Only automatically bring up completions if this is an opening quote. + return !!contextToken && ts.isStringLiteralOrTemplate(contextToken) && position === contextToken.getStart(sourceFile) + 1; + case "#": + return !!contextToken && ts.isPrivateIdentifier(contextToken) && !!ts.getContainingClass(contextToken); + case "<": + // Opening JSX tag + return !!contextToken && contextToken.kind === 29 /* SyntaxKind.LessThanToken */ && (!ts.isBinaryExpression(contextToken.parent) || binaryExpressionMayBeOpenTag(contextToken.parent)); + case "/": + return !!contextToken && (ts.isStringLiteralLike(contextToken) + ? !!ts.tryGetImportFromModuleSpecifier(contextToken) + : contextToken.kind === 43 /* SyntaxKind.SlashToken */ && ts.isJsxClosingElement(contextToken.parent)); + case " ": + return !!contextToken && ts.isImportKeyword(contextToken) && contextToken.parent.kind === 305 /* SyntaxKind.SourceFile */; + default: + return ts.Debug.assertNever(triggerCharacter); + } + } + function binaryExpressionMayBeOpenTag(_a) { + var left = _a.left; + return ts.nodeIsMissing(left); + } + /** Determines if a type is exactly the same type resolved by the global 'self', 'global', or 'globalThis'. */ + function isProbablyGlobalType(type, sourceFile, checker) { + // The type of `self` and `window` is the same in lib.dom.d.ts, but `window` does not exist in + // lib.webworker.d.ts, so checking against `self` is also a check against `window` when it exists. + var selfSymbol = checker.resolveName("self", /*location*/ undefined, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ false); + if (selfSymbol && checker.getTypeOfSymbolAtLocation(selfSymbol, sourceFile) === type) { + return true; + } + var globalSymbol = checker.resolveName("global", /*location*/ undefined, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ false); + if (globalSymbol && checker.getTypeOfSymbolAtLocation(globalSymbol, sourceFile) === type) { + return true; + } + var globalThisSymbol = checker.resolveName("globalThis", /*location*/ undefined, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ false); + if (globalThisSymbol && checker.getTypeOfSymbolAtLocation(globalThisSymbol, sourceFile) === type) { + return true; + } + return false; + } + function isStaticProperty(symbol) { + return !!(symbol.valueDeclaration && ts.getEffectiveModifierFlags(symbol.valueDeclaration) & 32 /* ModifierFlags.Static */ && ts.isClassLike(symbol.valueDeclaration.parent)); + } + function tryGetObjectLiteralContextualType(node, typeChecker) { + var type = typeChecker.getContextualType(node); + if (type) { + return type; + } + var parent = ts.walkUpParenthesizedExpressions(node.parent); + if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && node === parent.left) { + // Object literal is assignment pattern: ({ | } = x) + return typeChecker.getTypeAtLocation(parent); + } + if (ts.isExpression(parent)) { + // f(() => (({ | }))); + return typeChecker.getContextualType(parent); + } + return undefined; + } + function getImportStatementCompletionInfo(contextToken) { + var keywordCompletion; + var isKeywordOnlyCompletion = false; + var candidate = getCandidate(); + return { + isKeywordOnlyCompletion: isKeywordOnlyCompletion, + keywordCompletion: keywordCompletion, + isNewIdentifierLocation: !!(candidate || keywordCompletion === 152 /* SyntaxKind.TypeKeyword */), + replacementNode: candidate && ts.rangeIsOnSingleLine(candidate, candidate.getSourceFile()) + ? candidate + : undefined + }; + function getCandidate() { + var parent = contextToken.parent; + if (ts.isImportEqualsDeclaration(parent)) { + keywordCompletion = contextToken.kind === 152 /* SyntaxKind.TypeKeyword */ ? undefined : 152 /* SyntaxKind.TypeKeyword */; + return isModuleSpecifierMissingOrEmpty(parent.moduleReference) ? parent : undefined; + } + if (couldBeTypeOnlyImportSpecifier(parent, contextToken) && canCompleteFromNamedBindings(parent.parent)) { + return parent; + } + if (ts.isNamedImports(parent) || ts.isNamespaceImport(parent)) { + if (!parent.parent.isTypeOnly && (contextToken.kind === 18 /* SyntaxKind.OpenBraceToken */ || + contextToken.kind === 100 /* SyntaxKind.ImportKeyword */ || + contextToken.kind === 27 /* SyntaxKind.CommaToken */)) { + keywordCompletion = 152 /* SyntaxKind.TypeKeyword */; + } + if (canCompleteFromNamedBindings(parent)) { + // At `import { ... } |` or `import * as Foo |`, the only possible completion is `from` + if (contextToken.kind === 19 /* SyntaxKind.CloseBraceToken */ || contextToken.kind === 79 /* SyntaxKind.Identifier */) { + isKeywordOnlyCompletion = true; + keywordCompletion = 156 /* SyntaxKind.FromKeyword */; + } + else { + return parent.parent.parent; + } + } + return undefined; + } + if (ts.isImportKeyword(contextToken) && ts.isSourceFile(parent)) { + // A lone import keyword with nothing following it does not parse as a statement at all + keywordCompletion = 152 /* SyntaxKind.TypeKeyword */; + return contextToken; + } + if (ts.isImportKeyword(contextToken) && ts.isImportDeclaration(parent)) { + // `import s| from` + keywordCompletion = 152 /* SyntaxKind.TypeKeyword */; + return isModuleSpecifierMissingOrEmpty(parent.moduleSpecifier) ? parent : undefined; + } + return undefined; + } + } + function couldBeTypeOnlyImportSpecifier(importSpecifier, contextToken) { + return ts.isImportSpecifier(importSpecifier) + && (importSpecifier.isTypeOnly || contextToken === importSpecifier.name && ts.isTypeKeywordTokenOrIdentifier(contextToken)); + } + function canCompleteFromNamedBindings(namedBindings) { + return isModuleSpecifierMissingOrEmpty(namedBindings.parent.parent.moduleSpecifier) + && (ts.isNamespaceImport(namedBindings) || namedBindings.elements.length < 2) + && !namedBindings.parent.name; + } + function isModuleSpecifierMissingOrEmpty(specifier) { + var _a; + if (ts.nodeIsMissing(specifier)) + return true; + return !((_a = ts.tryCast(ts.isExternalModuleReference(specifier) ? specifier.expression : specifier, ts.isStringLiteralLike)) === null || _a === void 0 ? void 0 : _a.text); + } + function getVariableDeclaration(property) { + var variableDeclaration = ts.findAncestor(property, function (node) { + return ts.isFunctionBlock(node) || isArrowFunctionBody(node) || ts.isBindingPattern(node) + ? "quit" + : ts.isVariableDeclaration(node); + }); + return variableDeclaration; + } + function isArrowFunctionBody(node) { + return node.parent && ts.isArrowFunction(node.parent) && node.parent.body === node; + } + ; + /** True if symbol is a type or a module containing at least one type. */ + function symbolCanBeReferencedAtTypeLocation(symbol, checker, seenModules) { + if (seenModules === void 0) { seenModules = new ts.Map(); } + // Since an alias can be merged with a local declaration, we need to test both the alias and its target. + // This code used to just test the result of `skipAlias`, but that would ignore any locally introduced meanings. + return nonAliasCanBeReferencedAtTypeLocation(symbol) || nonAliasCanBeReferencedAtTypeLocation(ts.skipAlias(symbol.exportSymbol || symbol, checker)); + function nonAliasCanBeReferencedAtTypeLocation(symbol) { + return !!(symbol.flags & 788968 /* SymbolFlags.Type */) || checker.isUnknownSymbol(symbol) || + !!(symbol.flags & 1536 /* SymbolFlags.Module */) && ts.addToSeen(seenModules, ts.getSymbolId(symbol)) && + checker.getExportsOfModule(symbol).some(function (e) { return symbolCanBeReferencedAtTypeLocation(e, checker, seenModules); }); + } + } + function isDeprecated(symbol, checker) { + var declarations = ts.skipAlias(symbol, checker).declarations; + return !!ts.length(declarations) && ts.every(declarations, ts.isDeprecatedDeclaration); + } + /** + * True if the first character of `lowercaseCharacters` is the first character + * of some "word" in `identiferString` (where the string is split into "words" + * by camelCase and snake_case segments), then if the remaining characters of + * `lowercaseCharacters` appear, in order, in the rest of `identifierString`. + * + * True: + * 'state' in 'useState' + * 'sae' in 'useState' + * 'viable' in 'ENVIRONMENT_VARIABLE' + * + * False: + * 'staet' in 'useState' + * 'tate' in 'useState' + * 'ment' in 'ENVIRONMENT_VARIABLE' + */ + function charactersFuzzyMatchInString(identifierString, lowercaseCharacters) { + if (lowercaseCharacters.length === 0) { + return true; + } + var matchedFirstCharacter = false; + var prevChar; + var characterIndex = 0; + var len = identifierString.length; + for (var strIndex = 0; strIndex < len; strIndex++) { + var strChar = identifierString.charCodeAt(strIndex); + var testChar = lowercaseCharacters.charCodeAt(characterIndex); + if (strChar === testChar || strChar === toUpperCharCode(testChar)) { + matchedFirstCharacter || (matchedFirstCharacter = prevChar === undefined || // Beginning of word + 97 /* CharacterCodes.a */ <= prevChar && prevChar <= 122 /* CharacterCodes.z */ && 65 /* CharacterCodes.A */ <= strChar && strChar <= 90 /* CharacterCodes.Z */ || // camelCase transition + prevChar === 95 /* CharacterCodes._ */ && strChar !== 95 /* CharacterCodes._ */); // snake_case transition + if (matchedFirstCharacter) { + characterIndex++; + } + if (characterIndex === lowercaseCharacters.length) { + return true; + } + } + prevChar = strChar; + } + // Did not find all characters + return false; + } + function toUpperCharCode(charCode) { + if (97 /* CharacterCodes.a */ <= charCode && charCode <= 122 /* CharacterCodes.z */) { + return charCode - 32; + } + return charCode; + } + })(Completions = ts.Completions || (ts.Completions = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + /* @internal */ + var DocumentHighlights; + (function (DocumentHighlights) { + function getDocumentHighlights(program, cancellationToken, sourceFile, position, sourceFilesToSearch) { + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node.parent && (ts.isJsxOpeningElement(node.parent) && node.parent.tagName === node || ts.isJsxClosingElement(node.parent))) { + // For a JSX element, just highlight the matching tag, not all references. + var _a = node.parent.parent, openingElement = _a.openingElement, closingElement = _a.closingElement; + var highlightSpans = [openingElement, closingElement].map(function (_a) { + var tagName = _a.tagName; + return getHighlightSpanForNode(tagName, sourceFile); + }); + return [{ fileName: sourceFile.fileName, highlightSpans: highlightSpans }]; + } + return getSemanticDocumentHighlights(position, node, program, cancellationToken, sourceFilesToSearch) || getSyntacticDocumentHighlights(node, sourceFile); + } + DocumentHighlights.getDocumentHighlights = getDocumentHighlights; + function getHighlightSpanForNode(node, sourceFile) { + return { + fileName: sourceFile.fileName, + textSpan: ts.createTextSpanFromNode(node, sourceFile), + kind: "none" /* HighlightSpanKind.none */ + }; + } + function getSemanticDocumentHighlights(position, node, program, cancellationToken, sourceFilesToSearch) { + var sourceFilesSet = new ts.Set(sourceFilesToSearch.map(function (f) { return f.fileName; })); + var referenceEntries = ts.FindAllReferences.getReferenceEntriesForNode(position, node, program, sourceFilesToSearch, cancellationToken, /*options*/ undefined, sourceFilesSet); + if (!referenceEntries) + return undefined; + var map = ts.arrayToMultiMap(referenceEntries.map(ts.FindAllReferences.toHighlightSpan), function (e) { return e.fileName; }, function (e) { return e.span; }); + var getCanonicalFileName = ts.createGetCanonicalFileName(program.useCaseSensitiveFileNames()); + return ts.mapDefined(ts.arrayFrom(map.entries()), function (_a) { + var fileName = _a[0], highlightSpans = _a[1]; + if (!sourceFilesSet.has(fileName)) { + if (!program.redirectTargetsMap.has(ts.toPath(fileName, program.getCurrentDirectory(), getCanonicalFileName))) { + return undefined; + } + var redirectTarget_1 = program.getSourceFile(fileName); + var redirect = ts.find(sourceFilesToSearch, function (f) { return !!f.redirectInfo && f.redirectInfo.redirectTarget === redirectTarget_1; }); + fileName = redirect.fileName; + ts.Debug.assert(sourceFilesSet.has(fileName)); + } + return { fileName: fileName, highlightSpans: highlightSpans }; + }); + } + function getSyntacticDocumentHighlights(node, sourceFile) { + var highlightSpans = getHighlightSpans(node, sourceFile); + return highlightSpans && [{ fileName: sourceFile.fileName, highlightSpans: highlightSpans }]; + } + function getHighlightSpans(node, sourceFile) { + switch (node.kind) { + case 99 /* SyntaxKind.IfKeyword */: + case 91 /* SyntaxKind.ElseKeyword */: + return ts.isIfStatement(node.parent) ? getIfElseOccurrences(node.parent, sourceFile) : undefined; + case 105 /* SyntaxKind.ReturnKeyword */: + return useParent(node.parent, ts.isReturnStatement, getReturnOccurrences); + case 109 /* SyntaxKind.ThrowKeyword */: + return useParent(node.parent, ts.isThrowStatement, getThrowOccurrences); + case 111 /* SyntaxKind.TryKeyword */: + case 83 /* SyntaxKind.CatchKeyword */: + case 96 /* SyntaxKind.FinallyKeyword */: + var tryStatement = node.kind === 83 /* SyntaxKind.CatchKeyword */ ? node.parent.parent : node.parent; + return useParent(tryStatement, ts.isTryStatement, getTryCatchFinallyOccurrences); + case 107 /* SyntaxKind.SwitchKeyword */: + return useParent(node.parent, ts.isSwitchStatement, getSwitchCaseDefaultOccurrences); + case 82 /* SyntaxKind.CaseKeyword */: + case 88 /* SyntaxKind.DefaultKeyword */: { + if (ts.isDefaultClause(node.parent) || ts.isCaseClause(node.parent)) { + return useParent(node.parent.parent.parent, ts.isSwitchStatement, getSwitchCaseDefaultOccurrences); + } + return undefined; + } + case 81 /* SyntaxKind.BreakKeyword */: + case 86 /* SyntaxKind.ContinueKeyword */: + return useParent(node.parent, ts.isBreakOrContinueStatement, getBreakOrContinueStatementOccurrences); + case 97 /* SyntaxKind.ForKeyword */: + case 115 /* SyntaxKind.WhileKeyword */: + case 90 /* SyntaxKind.DoKeyword */: + return useParent(node.parent, function (n) { return ts.isIterationStatement(n, /*lookInLabeledStatements*/ true); }, getLoopBreakContinueOccurrences); + case 134 /* SyntaxKind.ConstructorKeyword */: + return getFromAllDeclarations(ts.isConstructorDeclaration, [134 /* SyntaxKind.ConstructorKeyword */]); + case 136 /* SyntaxKind.GetKeyword */: + case 149 /* SyntaxKind.SetKeyword */: + return getFromAllDeclarations(ts.isAccessor, [136 /* SyntaxKind.GetKeyword */, 149 /* SyntaxKind.SetKeyword */]); + case 132 /* SyntaxKind.AwaitKeyword */: + return useParent(node.parent, ts.isAwaitExpression, getAsyncAndAwaitOccurrences); + case 131 /* SyntaxKind.AsyncKeyword */: + return highlightSpans(getAsyncAndAwaitOccurrences(node)); + case 125 /* SyntaxKind.YieldKeyword */: + return highlightSpans(getYieldOccurrences(node)); + case 101 /* SyntaxKind.InKeyword */: + return undefined; + default: + return ts.isModifierKind(node.kind) && (ts.isDeclaration(node.parent) || ts.isVariableStatement(node.parent)) + ? highlightSpans(getModifierOccurrences(node.kind, node.parent)) + : undefined; + } + function getFromAllDeclarations(nodeTest, keywords) { + return useParent(node.parent, nodeTest, function (decl) { return ts.mapDefined(decl.symbol.declarations, function (d) { + return nodeTest(d) ? ts.find(d.getChildren(sourceFile), function (c) { return ts.contains(keywords, c.kind); }) : undefined; + }); }); + } + function useParent(node, nodeTest, getNodes) { + return nodeTest(node) ? highlightSpans(getNodes(node, sourceFile)) : undefined; + } + function highlightSpans(nodes) { + return nodes && nodes.map(function (node) { return getHighlightSpanForNode(node, sourceFile); }); + } + } + /** + * Aggregates all throw-statements within this node *without* crossing + * into function boundaries and try-blocks with catch-clauses. + */ + function aggregateOwnedThrowStatements(node) { + if (ts.isThrowStatement(node)) { + return [node]; + } + else if (ts.isTryStatement(node)) { + // Exceptions thrown within a try block lacking a catch clause are "owned" in the current context. + return ts.concatenate(node.catchClause ? aggregateOwnedThrowStatements(node.catchClause) : node.tryBlock && aggregateOwnedThrowStatements(node.tryBlock), node.finallyBlock && aggregateOwnedThrowStatements(node.finallyBlock)); + } + // Do not cross function boundaries. + return ts.isFunctionLike(node) ? undefined : flatMapChildren(node, aggregateOwnedThrowStatements); + } + /** + * For lack of a better name, this function takes a throw statement and returns the + * nearest ancestor that is a try-block (whose try statement has a catch clause), + * function-block, or source file. + */ + function getThrowStatementOwner(throwStatement) { + var child = throwStatement; + while (child.parent) { + var parent = child.parent; + if (ts.isFunctionBlock(parent) || parent.kind === 305 /* SyntaxKind.SourceFile */) { + return parent; + } + // A throw-statement is only owned by a try-statement if the try-statement has + // a catch clause, and if the throw-statement occurs within the try block. + if (ts.isTryStatement(parent) && parent.tryBlock === child && parent.catchClause) { + return child; + } + child = parent; + } + return undefined; + } + function aggregateAllBreakAndContinueStatements(node) { + return ts.isBreakOrContinueStatement(node) ? [node] : ts.isFunctionLike(node) ? undefined : flatMapChildren(node, aggregateAllBreakAndContinueStatements); + } + function flatMapChildren(node, cb) { + var result = []; + node.forEachChild(function (child) { + var value = cb(child); + if (value !== undefined) { + result.push.apply(result, ts.toArray(value)); + } + }); + return result; + } + function ownsBreakOrContinueStatement(owner, statement) { + var actualOwner = getBreakOrContinueOwner(statement); + return !!actualOwner && actualOwner === owner; + } + function getBreakOrContinueOwner(statement) { + return ts.findAncestor(statement, function (node) { + switch (node.kind) { + case 249 /* SyntaxKind.SwitchStatement */: + if (statement.kind === 245 /* SyntaxKind.ContinueStatement */) { + return false; + } + // falls through + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 240 /* SyntaxKind.DoStatement */: + return !statement.label || isLabeledBy(node, statement.label.escapedText); + default: + // Don't cross function boundaries. + // TODO: GH#20090 + return ts.isFunctionLike(node) && "quit"; + } + }); + } + function getModifierOccurrences(modifier, declaration) { + return ts.mapDefined(getNodesToSearchForModifier(declaration, ts.modifierToFlag(modifier)), function (node) { return ts.findModifier(node, modifier); }); + } + function getNodesToSearchForModifier(declaration, modifierFlag) { + // Types of node whose children might have modifiers. + var container = declaration.parent; + switch (container.kind) { + case 262 /* SyntaxKind.ModuleBlock */: + case 305 /* SyntaxKind.SourceFile */: + case 235 /* SyntaxKind.Block */: + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + // Container is either a class declaration or the declaration is a classDeclaration + if (modifierFlag & 128 /* ModifierFlags.Abstract */ && ts.isClassDeclaration(declaration)) { + return __spreadArray(__spreadArray([], declaration.members, true), [declaration], false); + } + else { + return container.statements; + } + case 171 /* SyntaxKind.Constructor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + return __spreadArray(__spreadArray([], container.parameters, true), (ts.isClassLike(container.parent) ? container.parent.members : []), true); + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 182 /* SyntaxKind.TypeLiteral */: + var nodes = container.members; + // If we're an accessibility modifier, we're in an instance member and should search + // the constructor's parameter list for instance members as well. + if (modifierFlag & (28 /* ModifierFlags.AccessibilityModifier */ | 64 /* ModifierFlags.Readonly */)) { + var constructor = ts.find(container.members, ts.isConstructorDeclaration); + if (constructor) { + return __spreadArray(__spreadArray([], nodes, true), constructor.parameters, true); + } + } + else if (modifierFlag & 128 /* ModifierFlags.Abstract */) { + return __spreadArray(__spreadArray([], nodes, true), [container], false); + } + return nodes; + // Syntactically invalid positions that the parser might produce anyway + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return undefined; + default: + ts.Debug.assertNever(container, "Invalid container kind."); + } + } + function pushKeywordIf(keywordList, token) { + var expected = []; + for (var _i = 2; _i < arguments.length; _i++) { + expected[_i - 2] = arguments[_i]; + } + if (token && ts.contains(expected, token.kind)) { + keywordList.push(token); + return true; + } + return false; + } + function getLoopBreakContinueOccurrences(loopNode) { + var keywords = []; + if (pushKeywordIf(keywords, loopNode.getFirstToken(), 97 /* SyntaxKind.ForKeyword */, 115 /* SyntaxKind.WhileKeyword */, 90 /* SyntaxKind.DoKeyword */)) { + // If we succeeded and got a do-while loop, then start looking for a 'while' keyword. + if (loopNode.kind === 240 /* SyntaxKind.DoStatement */) { + var loopTokens = loopNode.getChildren(); + for (var i = loopTokens.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, loopTokens[i], 115 /* SyntaxKind.WhileKeyword */)) { + break; + } + } + } + } + ts.forEach(aggregateAllBreakAndContinueStatements(loopNode.statement), function (statement) { + if (ownsBreakOrContinueStatement(loopNode, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 81 /* SyntaxKind.BreakKeyword */, 86 /* SyntaxKind.ContinueKeyword */); + } + }); + return keywords; + } + function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { + var owner = getBreakOrContinueOwner(breakOrContinueStatement); + if (owner) { + switch (owner.kind) { + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + return getLoopBreakContinueOccurrences(owner); + case 249 /* SyntaxKind.SwitchStatement */: + return getSwitchCaseDefaultOccurrences(owner); + } + } + return undefined; + } + function getSwitchCaseDefaultOccurrences(switchStatement) { + var keywords = []; + pushKeywordIf(keywords, switchStatement.getFirstToken(), 107 /* SyntaxKind.SwitchKeyword */); + // Go through each clause in the switch statement, collecting the 'case'/'default' keywords. + ts.forEach(switchStatement.caseBlock.clauses, function (clause) { + pushKeywordIf(keywords, clause.getFirstToken(), 82 /* SyntaxKind.CaseKeyword */, 88 /* SyntaxKind.DefaultKeyword */); + ts.forEach(aggregateAllBreakAndContinueStatements(clause), function (statement) { + if (ownsBreakOrContinueStatement(switchStatement, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 81 /* SyntaxKind.BreakKeyword */); + } + }); + }); + return keywords; + } + function getTryCatchFinallyOccurrences(tryStatement, sourceFile) { + var keywords = []; + pushKeywordIf(keywords, tryStatement.getFirstToken(), 111 /* SyntaxKind.TryKeyword */); + if (tryStatement.catchClause) { + pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 83 /* SyntaxKind.CatchKeyword */); + } + if (tryStatement.finallyBlock) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 96 /* SyntaxKind.FinallyKeyword */, sourceFile); + pushKeywordIf(keywords, finallyKeyword, 96 /* SyntaxKind.FinallyKeyword */); + } + return keywords; + } + function getThrowOccurrences(throwStatement, sourceFile) { + var owner = getThrowStatementOwner(throwStatement); + if (!owner) { + return undefined; + } + var keywords = []; + ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { + keywords.push(ts.findChildOfKind(throwStatement, 109 /* SyntaxKind.ThrowKeyword */, sourceFile)); + }); + // If the "owner" is a function, then we equate 'return' and 'throw' statements in their + // ability to "jump out" of the function, and include occurrences for both. + if (ts.isFunctionBlock(owner)) { + ts.forEachReturnStatement(owner, function (returnStatement) { + keywords.push(ts.findChildOfKind(returnStatement, 105 /* SyntaxKind.ReturnKeyword */, sourceFile)); + }); + } + return keywords; + } + function getReturnOccurrences(returnStatement, sourceFile) { + var func = ts.getContainingFunction(returnStatement); + if (!func) { + return undefined; + } + var keywords = []; + ts.forEachReturnStatement(ts.cast(func.body, ts.isBlock), function (returnStatement) { + keywords.push(ts.findChildOfKind(returnStatement, 105 /* SyntaxKind.ReturnKeyword */, sourceFile)); + }); + // Include 'throw' statements that do not occur within a try block. + ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { + keywords.push(ts.findChildOfKind(throwStatement, 109 /* SyntaxKind.ThrowKeyword */, sourceFile)); + }); + return keywords; + } + function getAsyncAndAwaitOccurrences(node) { + var func = ts.getContainingFunction(node); + if (!func) { + return undefined; + } + var keywords = []; + if (func.modifiers) { + func.modifiers.forEach(function (modifier) { + pushKeywordIf(keywords, modifier, 131 /* SyntaxKind.AsyncKeyword */); + }); + } + ts.forEachChild(func, function (child) { + traverseWithoutCrossingFunction(child, function (node) { + if (ts.isAwaitExpression(node)) { + pushKeywordIf(keywords, node.getFirstToken(), 132 /* SyntaxKind.AwaitKeyword */); + } + }); + }); + return keywords; + } + function getYieldOccurrences(node) { + var func = ts.getContainingFunction(node); + if (!func) { + return undefined; + } + var keywords = []; + ts.forEachChild(func, function (child) { + traverseWithoutCrossingFunction(child, function (node) { + if (ts.isYieldExpression(node)) { + pushKeywordIf(keywords, node.getFirstToken(), 125 /* SyntaxKind.YieldKeyword */); + } + }); + }); + return keywords; + } + // Do not cross function/class/interface/module/type boundaries. + function traverseWithoutCrossingFunction(node, cb) { + cb(node); + if (!ts.isFunctionLike(node) && !ts.isClassLike(node) && !ts.isInterfaceDeclaration(node) && !ts.isModuleDeclaration(node) && !ts.isTypeAliasDeclaration(node) && !ts.isTypeNode(node)) { + ts.forEachChild(node, function (child) { return traverseWithoutCrossingFunction(child, cb); }); + } + } + function getIfElseOccurrences(ifStatement, sourceFile) { + var keywords = getIfElseKeywords(ifStatement, sourceFile); + var result = []; + // We'd like to highlight else/ifs together if they are only separated by whitespace + // (i.e. the keywords are separated by no comments, no newlines). + for (var i = 0; i < keywords.length; i++) { + if (keywords[i].kind === 91 /* SyntaxKind.ElseKeyword */ && i < keywords.length - 1) { + var elseKeyword = keywords[i]; + var ifKeyword = keywords[i + 1]; // this *should* always be an 'if' keyword. + var shouldCombineElseAndIf = true; + // Avoid recalculating getStart() by iterating backwards. + for (var j = ifKeyword.getStart(sourceFile) - 1; j >= elseKeyword.end; j--) { + if (!ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(j))) { + shouldCombineElseAndIf = false; + break; + } + } + if (shouldCombineElseAndIf) { + result.push({ + fileName: sourceFile.fileName, + textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), + kind: "reference" /* HighlightSpanKind.reference */ + }); + i++; // skip the next keyword + continue; + } + } + // Ordinary case: just highlight the keyword. + result.push(getHighlightSpanForNode(keywords[i], sourceFile)); + } + return result; + } + function getIfElseKeywords(ifStatement, sourceFile) { + var keywords = []; + // Traverse upwards through all parent if-statements linked by their else-branches. + while (ts.isIfStatement(ifStatement.parent) && ifStatement.parent.elseStatement === ifStatement) { + ifStatement = ifStatement.parent; + } + // Now traverse back down through the else branches, aggregating if/else keywords of if-statements. + while (true) { + var children = ifStatement.getChildren(sourceFile); + pushKeywordIf(keywords, children[0], 99 /* SyntaxKind.IfKeyword */); + // Generally the 'else' keyword is second-to-last, so we traverse backwards. + for (var i = children.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, children[i], 91 /* SyntaxKind.ElseKeyword */)) { + break; + } + } + if (!ifStatement.elseStatement || !ts.isIfStatement(ifStatement.elseStatement)) { + break; + } + ifStatement = ifStatement.elseStatement; + } + return keywords; + } + /** + * Whether or not a 'node' is preceded by a label of the given string. + * Note: 'node' cannot be a SourceFile. + */ + function isLabeledBy(node, labelName) { + return !!ts.findAncestor(node.parent, function (owner) { return !ts.isLabeledStatement(owner) ? "quit" : owner.label.escapedText === labelName; }); + } + })(DocumentHighlights = ts.DocumentHighlights || (ts.DocumentHighlights = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function isDocumentRegistryEntry(entry) { + return !!entry.sourceFile; + } + function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { + return createDocumentRegistryInternal(useCaseSensitiveFileNames, currentDirectory); + } + ts.createDocumentRegistry = createDocumentRegistry; + /*@internal*/ + function createDocumentRegistryInternal(useCaseSensitiveFileNames, currentDirectory, externalCache) { + if (currentDirectory === void 0) { currentDirectory = ""; } + // Maps from compiler setting target (ES3, ES5, etc.) to all the cached documents we have + // for those settings. + var buckets = new ts.Map(); + var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); + function reportStats() { + var bucketInfoArray = ts.arrayFrom(buckets.keys()).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { + var entries = buckets.get(name); + var sourceFiles = []; + entries.forEach(function (entry, name) { + if (isDocumentRegistryEntry(entry)) { + sourceFiles.push({ + name: name, + scriptKind: entry.sourceFile.scriptKind, + refCount: entry.languageServiceRefCount + }); + } + else { + entry.forEach(function (value, scriptKind) { return sourceFiles.push({ name: name, scriptKind: scriptKind, refCount: value.languageServiceRefCount }); }); + } + }); + sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); + return { + bucket: name, + sourceFiles: sourceFiles + }; + }); + return JSON.stringify(bucketInfoArray, undefined, 2); + } + function getCompilationSettings(settingsOrHost) { + if (typeof settingsOrHost.getCompilationSettings === "function") { + return settingsOrHost.getCompilationSettings(); + } + return settingsOrHost; + } + function acquireDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(getCompilationSettings(compilationSettings)); + return acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); + } + function acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { + return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, /*acquiring*/ true, scriptKind); + } + function updateDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(getCompilationSettings(compilationSettings)); + return updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); + } + function updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { + return acquireOrUpdateDocument(fileName, path, getCompilationSettings(compilationSettings), key, scriptSnapshot, version, /*acquiring*/ false, scriptKind); + } + function getDocumentRegistryEntry(bucketEntry, scriptKind) { + var entry = isDocumentRegistryEntry(bucketEntry) ? bucketEntry : bucketEntry.get(ts.Debug.checkDefined(scriptKind, "If there are more than one scriptKind's for same document the scriptKind should be provided")); + ts.Debug.assert(scriptKind === undefined || !entry || entry.sourceFile.scriptKind === scriptKind, "Script kind should match provided ScriptKind:".concat(scriptKind, " and sourceFile.scriptKind: ").concat(entry === null || entry === void 0 ? void 0 : entry.sourceFile.scriptKind, ", !entry: ").concat(!entry)); + return entry; + } + function acquireOrUpdateDocument(fileName, path, compilationSettingsOrHost, key, scriptSnapshot, version, acquiring, scriptKind) { + var _a, _b, _c, _d; + scriptKind = ts.ensureScriptKind(fileName, scriptKind); + var compilationSettings = getCompilationSettings(compilationSettingsOrHost); + var host = compilationSettingsOrHost === compilationSettings ? undefined : compilationSettingsOrHost; + var scriptTarget = scriptKind === 6 /* ScriptKind.JSON */ ? 100 /* ScriptTarget.JSON */ : ts.getEmitScriptTarget(compilationSettings); + var sourceFileOptions = { + languageVersion: scriptTarget, + impliedNodeFormat: host && ts.getImpliedNodeFormatForFile(path, (_d = (_c = (_b = (_a = host.getCompilerHost) === null || _a === void 0 ? void 0 : _a.call(host)) === null || _b === void 0 ? void 0 : _b.getModuleResolutionCache) === null || _c === void 0 ? void 0 : _c.call(_b)) === null || _d === void 0 ? void 0 : _d.getPackageJsonInfoCache(), host, compilationSettings), + setExternalModuleIndicator: ts.getSetExternalModuleIndicator(compilationSettings) + }; + var oldBucketCount = buckets.size; + var bucket = ts.getOrUpdate(buckets, key, function () { return new ts.Map(); }); + if (ts.tracing) { + if (buckets.size > oldBucketCount) { + // It is interesting, but not definitively problematic if a build requires multiple document registry buckets - + // perhaps they are for two projects that don't have any overlap. + // Bonus: these events can help us interpret the more interesting event below. + ts.tracing.instant("session" /* tracing.Phase.Session */, "createdDocumentRegistryBucket", { configFilePath: compilationSettings.configFilePath, key: key }); + } + // It is fairly suspicious to have one path in two buckets - you'd expect dependencies to have similar configurations. + // If this occurs unexpectedly, the fix is likely to synchronize the project settings. + // Skip .d.ts files to reduce noise (should also cover most of node_modules). + var otherBucketKey = !ts.isDeclarationFileName(path) && + ts.forEachEntry(buckets, function (bucket, bucketKey) { return bucketKey !== key && bucket.has(path) && bucketKey; }); + if (otherBucketKey) { + ts.tracing.instant("session" /* tracing.Phase.Session */, "documentRegistryBucketOverlap", { path: path, key1: otherBucketKey, key2: key }); + } + } + var bucketEntry = bucket.get(path); + var entry = bucketEntry && getDocumentRegistryEntry(bucketEntry, scriptKind); + if (!entry && externalCache) { + var sourceFile = externalCache.getDocument(key, path); + if (sourceFile) { + ts.Debug.assert(acquiring); + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 0 + }; + setBucketEntry(); + } + } + if (!entry) { + // Have never seen this file with these settings. Create a new source file for it. + var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, sourceFileOptions, version, /*setNodeParents*/ false, scriptKind); + if (externalCache) { + externalCache.setDocument(key, path, sourceFile); + } + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 1, + }; + setBucketEntry(); + } + else { + // We have an entry for this file. However, it may be for a different version of + // the script snapshot. If so, update it appropriately. Otherwise, we can just + // return it as is. + if (entry.sourceFile.version !== version) { + entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); // TODO: GH#18217 + if (externalCache) { + externalCache.setDocument(key, path, entry.sourceFile); + } + } + // If we're acquiring, then this is the first time this LS is asking for this document. + // Increase our ref count so we know there's another LS using the document. If we're + // not acquiring, then that means the LS is 'updating' the file instead, and that means + // it has already acquired the document previously. As such, we do not need to increase + // the ref count. + if (acquiring) { + entry.languageServiceRefCount++; + } + } + ts.Debug.assert(entry.languageServiceRefCount !== 0); + return entry.sourceFile; + function setBucketEntry() { + if (!bucketEntry) { + bucket.set(path, entry); + } + else if (isDocumentRegistryEntry(bucketEntry)) { + var scriptKindMap = new ts.Map(); + scriptKindMap.set(bucketEntry.sourceFile.scriptKind, bucketEntry); + scriptKindMap.set(scriptKind, entry); + bucket.set(path, scriptKindMap); + } + else { + bucketEntry.set(scriptKind, entry); + } + } + } + function releaseDocument(fileName, compilationSettings, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return releaseDocumentWithKey(path, key, scriptKind); + } + function releaseDocumentWithKey(path, key, scriptKind) { + var bucket = ts.Debug.checkDefined(buckets.get(key)); + var bucketEntry = bucket.get(path); + var entry = getDocumentRegistryEntry(bucketEntry, scriptKind); + entry.languageServiceRefCount--; + ts.Debug.assert(entry.languageServiceRefCount >= 0); + if (entry.languageServiceRefCount === 0) { + if (isDocumentRegistryEntry(bucketEntry)) { + bucket.delete(path); + } + else { + bucketEntry.delete(scriptKind); + if (bucketEntry.size === 1) { + bucket.set(path, ts.firstDefinedIterator(bucketEntry.values(), ts.identity)); + } + } + } + } + function getLanguageServiceRefCounts(path, scriptKind) { + return ts.arrayFrom(buckets.entries(), function (_a) { + var key = _a[0], bucket = _a[1]; + var bucketEntry = bucket.get(path); + var entry = bucketEntry && getDocumentRegistryEntry(bucketEntry, scriptKind); + return [key, entry && entry.languageServiceRefCount]; + }); + } + return { + acquireDocument: acquireDocument, + acquireDocumentWithKey: acquireDocumentWithKey, + updateDocument: updateDocument, + updateDocumentWithKey: updateDocumentWithKey, + releaseDocument: releaseDocument, + releaseDocumentWithKey: releaseDocumentWithKey, + getLanguageServiceRefCounts: getLanguageServiceRefCounts, + reportStats: reportStats, + getKeyForCompilationSettings: getKeyForCompilationSettings + }; + } + ts.createDocumentRegistryInternal = createDocumentRegistryInternal; + function compilerOptionValueToString(value) { + var _a; + if (value === null || typeof value !== "object") { // eslint-disable-line no-null/no-null + return "" + value; + } + if (ts.isArray(value)) { + return "[".concat((_a = ts.map(value, function (e) { return compilerOptionValueToString(e); })) === null || _a === void 0 ? void 0 : _a.join(","), "]"); + } + var str = "{"; + for (var key in value) { + if (ts.hasOwnProperty.call(value, key)) { // eslint-disable-line @typescript-eslint/no-unnecessary-qualifier + str += "".concat(key, ": ").concat(compilerOptionValueToString(value[key])); + } + } + return str + "}"; + } + function getKeyForCompilationSettings(settings) { + return ts.sourceFileAffectingCompilerOptions.map(function (option) { return compilerOptionValueToString(ts.getCompilerOptionValue(settings, option)); }).join("|") + (settings.pathsBasePath ? "|".concat(settings.pathsBasePath) : undefined); + } +})(ts || (ts = {})); +/* Code for finding imports of an exported symbol. Used only by FindAllReferences. */ +/* @internal */ +var ts; +(function (ts) { + var FindAllReferences; + (function (FindAllReferences) { + /** Creates the imports map and returns an ImportTracker that uses it. Call this lazily to avoid calling `getDirectImportsMap` unnecessarily. */ + function createImportTracker(sourceFiles, sourceFilesSet, checker, cancellationToken) { + var allDirectImports = getDirectImportsMap(sourceFiles, checker, cancellationToken); + return function (exportSymbol, exportInfo, isForRename) { + var _a = getImportersForExport(sourceFiles, sourceFilesSet, allDirectImports, exportInfo, checker, cancellationToken), directImports = _a.directImports, indirectUsers = _a.indirectUsers; + return __assign({ indirectUsers: indirectUsers }, getSearchesFromDirectImports(directImports, exportSymbol, exportInfo.exportKind, checker, isForRename)); + }; + } + FindAllReferences.createImportTracker = createImportTracker; + var ExportKind; + (function (ExportKind) { + ExportKind[ExportKind["Named"] = 0] = "Named"; + ExportKind[ExportKind["Default"] = 1] = "Default"; + ExportKind[ExportKind["ExportEquals"] = 2] = "ExportEquals"; + })(ExportKind = FindAllReferences.ExportKind || (FindAllReferences.ExportKind = {})); + var ImportExport; + (function (ImportExport) { + ImportExport[ImportExport["Import"] = 0] = "Import"; + ImportExport[ImportExport["Export"] = 1] = "Export"; + })(ImportExport = FindAllReferences.ImportExport || (FindAllReferences.ImportExport = {})); + /** Returns import statements that directly reference the exporting module, and a list of files that may access the module through a namespace. */ + function getImportersForExport(sourceFiles, sourceFilesSet, allDirectImports, _a, checker, cancellationToken) { + var exportingModuleSymbol = _a.exportingModuleSymbol, exportKind = _a.exportKind; + var markSeenDirectImport = ts.nodeSeenTracker(); + var markSeenIndirectUser = ts.nodeSeenTracker(); + var directImports = []; + var isAvailableThroughGlobal = !!exportingModuleSymbol.globalExports; + var indirectUserDeclarations = isAvailableThroughGlobal ? undefined : []; + handleDirectImports(exportingModuleSymbol); + return { directImports: directImports, indirectUsers: getIndirectUsers() }; + function getIndirectUsers() { + if (isAvailableThroughGlobal) { + // It has `export as namespace`, so anything could potentially use it. + return sourceFiles; + } + // Module augmentations may use this module's exports without importing it. + if (exportingModuleSymbol.declarations) { + for (var _i = 0, _a = exportingModuleSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isExternalModuleAugmentation(decl) && sourceFilesSet.has(decl.getSourceFile().fileName)) { + addIndirectUser(decl); + } + } + } + // This may return duplicates (if there are multiple module declarations in a single source file, all importing the same thing as a namespace), but `State.markSearchedSymbol` will handle that. + return indirectUserDeclarations.map(ts.getSourceFileOfNode); + } + function handleDirectImports(exportingModuleSymbol) { + var theseDirectImports = getDirectImports(exportingModuleSymbol); + if (theseDirectImports) { + for (var _i = 0, theseDirectImports_1 = theseDirectImports; _i < theseDirectImports_1.length; _i++) { + var direct = theseDirectImports_1[_i]; + if (!markSeenDirectImport(direct)) { + continue; + } + if (cancellationToken) + cancellationToken.throwIfCancellationRequested(); + switch (direct.kind) { + case 208 /* SyntaxKind.CallExpression */: + if (ts.isImportCall(direct)) { + handleImportCall(direct); + break; + } + if (!isAvailableThroughGlobal) { + var parent = direct.parent; + if (exportKind === 2 /* ExportKind.ExportEquals */ && parent.kind === 254 /* SyntaxKind.VariableDeclaration */) { + var name = parent.name; + if (name.kind === 79 /* SyntaxKind.Identifier */) { + directImports.push(name); + break; + } + } + } + break; + case 79 /* SyntaxKind.Identifier */: // for 'const x = require("y"); + break; // TODO: GH#23879 + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + handleNamespaceImport(direct, direct.name, ts.hasSyntacticModifier(direct, 1 /* ModifierFlags.Export */), /*alreadyAddedDirect*/ false); + break; + case 266 /* SyntaxKind.ImportDeclaration */: + directImports.push(direct); + var namedBindings = direct.importClause && direct.importClause.namedBindings; + if (namedBindings && namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + handleNamespaceImport(direct, namedBindings.name, /*isReExport*/ false, /*alreadyAddedDirect*/ true); + } + else if (!isAvailableThroughGlobal && ts.isDefaultImport(direct)) { + addIndirectUser(getSourceFileLikeForImportDeclaration(direct)); // Add a check for indirect uses to handle synthetic default imports + } + break; + case 272 /* SyntaxKind.ExportDeclaration */: + if (!direct.exportClause) { + // This is `export * from "foo"`, so imports of this module may import the export too. + handleDirectImports(getContainingModuleSymbol(direct, checker)); + } + else if (direct.exportClause.kind === 274 /* SyntaxKind.NamespaceExport */) { + // `export * as foo from "foo"` add to indirect uses + addIndirectUser(getSourceFileLikeForImportDeclaration(direct), /** addTransitiveDependencies */ true); + } + else { + // This is `export { foo } from "foo"` and creates an alias symbol, so recursive search will get handle re-exports. + directImports.push(direct); + } + break; + case 200 /* SyntaxKind.ImportType */: + // Only check for typeof import('xyz') + if (direct.isTypeOf && !direct.qualifier && isExported(direct)) { + addIndirectUser(direct.getSourceFile(), /** addTransitiveDependencies */ true); + } + directImports.push(direct); + break; + default: + ts.Debug.failBadSyntaxKind(direct, "Unexpected import kind."); + } + } + } + } + function handleImportCall(importCall) { + var top = ts.findAncestor(importCall, isAmbientModuleDeclaration) || importCall.getSourceFile(); + addIndirectUser(top, /** addTransitiveDependencies */ !!isExported(importCall, /** stopAtAmbientModule */ true)); + } + function isExported(node, stopAtAmbientModule) { + if (stopAtAmbientModule === void 0) { stopAtAmbientModule = false; } + return ts.findAncestor(node, function (node) { + if (stopAtAmbientModule && isAmbientModuleDeclaration(node)) + return "quit"; + return ts.some(node.modifiers, function (mod) { return mod.kind === 93 /* SyntaxKind.ExportKeyword */; }); + }); + } + function handleNamespaceImport(importDeclaration, name, isReExport, alreadyAddedDirect) { + if (exportKind === 2 /* ExportKind.ExportEquals */) { + // This is a direct import, not import-as-namespace. + if (!alreadyAddedDirect) + directImports.push(importDeclaration); + } + else if (!isAvailableThroughGlobal) { + var sourceFileLike = getSourceFileLikeForImportDeclaration(importDeclaration); + ts.Debug.assert(sourceFileLike.kind === 305 /* SyntaxKind.SourceFile */ || sourceFileLike.kind === 261 /* SyntaxKind.ModuleDeclaration */); + if (isReExport || findNamespaceReExports(sourceFileLike, name, checker)) { + addIndirectUser(sourceFileLike, /** addTransitiveDependencies */ true); + } + else { + addIndirectUser(sourceFileLike); + } + } + } + /** Adds a module and all of its transitive dependencies as possible indirect users. */ + function addIndirectUser(sourceFileLike, addTransitiveDependencies) { + if (addTransitiveDependencies === void 0) { addTransitiveDependencies = false; } + ts.Debug.assert(!isAvailableThroughGlobal); + var isNew = markSeenIndirectUser(sourceFileLike); + if (!isNew) + return; + indirectUserDeclarations.push(sourceFileLike); // TODO: GH#18217 + if (!addTransitiveDependencies) + return; + var moduleSymbol = checker.getMergedSymbol(sourceFileLike.symbol); + if (!moduleSymbol) + return; + ts.Debug.assert(!!(moduleSymbol.flags & 1536 /* SymbolFlags.Module */)); + var directImports = getDirectImports(moduleSymbol); + if (directImports) { + for (var _i = 0, directImports_1 = directImports; _i < directImports_1.length; _i++) { + var directImport = directImports_1[_i]; + if (!ts.isImportTypeNode(directImport)) { + addIndirectUser(getSourceFileLikeForImportDeclaration(directImport), /** addTransitiveDependencies */ true); + } + } + } + } + function getDirectImports(moduleSymbol) { + return allDirectImports.get(ts.getSymbolId(moduleSymbol).toString()); + } + } + /** + * Given the set of direct imports of a module, we need to find which ones import the particular exported symbol. + * The returned `importSearches` will result in the entire source file being searched. + * But re-exports will be placed in 'singleReferences' since they cannot be locally referenced. + */ + function getSearchesFromDirectImports(directImports, exportSymbol, exportKind, checker, isForRename) { + var importSearches = []; + var singleReferences = []; + function addSearch(location, symbol) { + importSearches.push([location, symbol]); + } + if (directImports) { + for (var _i = 0, directImports_2 = directImports; _i < directImports_2.length; _i++) { + var decl = directImports_2[_i]; + handleImport(decl); + } + } + return { importSearches: importSearches, singleReferences: singleReferences }; + function handleImport(decl) { + if (decl.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + if (isExternalModuleImportEquals(decl)) { + handleNamespaceImportLike(decl.name); + } + return; + } + if (decl.kind === 79 /* SyntaxKind.Identifier */) { + handleNamespaceImportLike(decl); + return; + } + if (decl.kind === 200 /* SyntaxKind.ImportType */) { + if (decl.qualifier) { + var firstIdentifier = ts.getFirstIdentifier(decl.qualifier); + if (firstIdentifier.escapedText === ts.symbolName(exportSymbol)) { + singleReferences.push(firstIdentifier); + } + } + else if (exportKind === 2 /* ExportKind.ExportEquals */) { + singleReferences.push(decl.argument.literal); + } + return; + } + // Ignore if there's a grammar error + if (decl.moduleSpecifier.kind !== 10 /* SyntaxKind.StringLiteral */) { + return; + } + if (decl.kind === 272 /* SyntaxKind.ExportDeclaration */) { + if (decl.exportClause && ts.isNamedExports(decl.exportClause)) { + searchForNamedImport(decl.exportClause); + } + return; + } + var _a = decl.importClause || { name: undefined, namedBindings: undefined }, name = _a.name, namedBindings = _a.namedBindings; + if (namedBindings) { + switch (namedBindings.kind) { + case 268 /* SyntaxKind.NamespaceImport */: + handleNamespaceImportLike(namedBindings.name); + break; + case 269 /* SyntaxKind.NamedImports */: + // 'default' might be accessed as a named import `{ default as foo }`. + if (exportKind === 0 /* ExportKind.Named */ || exportKind === 1 /* ExportKind.Default */) { + searchForNamedImport(namedBindings); + } + break; + default: + ts.Debug.assertNever(namedBindings); + } + } + // `export =` might be imported by a default import if `--allowSyntheticDefaultImports` is on, so this handles both ExportKind.Default and ExportKind.ExportEquals. + // If a default import has the same name as the default export, allow to rename it. + // Given `import f` and `export default function f`, we will rename both, but for `import g` we will rename just that. + if (name && (exportKind === 1 /* ExportKind.Default */ || exportKind === 2 /* ExportKind.ExportEquals */) && (!isForRename || name.escapedText === ts.symbolEscapedNameNoDefault(exportSymbol))) { + var defaultImportAlias = checker.getSymbolAtLocation(name); + addSearch(name, defaultImportAlias); + } + } + /** + * `import x = require("./x")` or `import * as x from "./x"`. + * An `export =` may be imported by this syntax, so it may be a direct import. + * If it's not a direct import, it will be in `indirectUsers`, so we don't have to do anything here. + */ + function handleNamespaceImportLike(importName) { + // Don't rename an import that already has a different name than the export. + if (exportKind === 2 /* ExportKind.ExportEquals */ && (!isForRename || isNameMatch(importName.escapedText))) { + addSearch(importName, checker.getSymbolAtLocation(importName)); + } + } + function searchForNamedImport(namedBindings) { + if (!namedBindings) { + return; + } + for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) { + var element = _a[_i]; + var name = element.name, propertyName = element.propertyName; + if (!isNameMatch((propertyName || name).escapedText)) { + continue; + } + if (propertyName) { + // This is `import { foo as bar } from "./a"` or `export { foo as bar } from "./a"`. `foo` isn't a local in the file, so just add it as a single reference. + singleReferences.push(propertyName); + // If renaming `{ foo as bar }`, don't touch `bar`, just `foo`. + // But do rename `foo` in ` { default as foo }` if that's the original export name. + if (!isForRename || name.escapedText === exportSymbol.escapedName) { + // Search locally for `bar`. + addSearch(name, checker.getSymbolAtLocation(name)); + } + } + else { + var localSymbol = element.kind === 275 /* SyntaxKind.ExportSpecifier */ && element.propertyName + ? checker.getExportSpecifierLocalTargetSymbol(element) // For re-exporting under a different name, we want to get the re-exported symbol. + : checker.getSymbolAtLocation(name); + addSearch(name, localSymbol); + } + } + } + function isNameMatch(name) { + // Use name of "default" even in `export =` case because we may have allowSyntheticDefaultImports + return name === exportSymbol.escapedName || exportKind !== 0 /* ExportKind.Named */ && name === "default" /* InternalSymbolName.Default */; + } + } + /** Returns 'true' is the namespace 'name' is re-exported from this module, and 'false' if it is only used locally. */ + function findNamespaceReExports(sourceFileLike, name, checker) { + var namespaceImportSymbol = checker.getSymbolAtLocation(name); + return !!forEachPossibleImportOrExportStatement(sourceFileLike, function (statement) { + if (!ts.isExportDeclaration(statement)) + return; + var exportClause = statement.exportClause, moduleSpecifier = statement.moduleSpecifier; + return !moduleSpecifier && exportClause && ts.isNamedExports(exportClause) && + exportClause.elements.some(function (element) { return checker.getExportSpecifierLocalTargetSymbol(element) === namespaceImportSymbol; }); + }); + } + function findModuleReferences(program, sourceFiles, searchModuleSymbol) { + var refs = []; + var checker = program.getTypeChecker(); + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var referencingFile = sourceFiles_1[_i]; + var searchSourceFile = searchModuleSymbol.valueDeclaration; + if ((searchSourceFile === null || searchSourceFile === void 0 ? void 0 : searchSourceFile.kind) === 305 /* SyntaxKind.SourceFile */) { + for (var _a = 0, _b = referencingFile.referencedFiles; _a < _b.length; _a++) { + var ref = _b[_a]; + if (program.getSourceFileFromReference(referencingFile, ref) === searchSourceFile) { + refs.push({ kind: "reference", referencingFile: referencingFile, ref: ref }); + } + } + for (var _c = 0, _d = referencingFile.typeReferenceDirectives; _c < _d.length; _c++) { + var ref = _d[_c]; + var referenced = program.getResolvedTypeReferenceDirectives().get(ref.fileName, ref.resolutionMode || referencingFile.impliedNodeFormat); + if (referenced !== undefined && referenced.resolvedFileName === searchSourceFile.fileName) { + refs.push({ kind: "reference", referencingFile: referencingFile, ref: ref }); + } + } + } + forEachImport(referencingFile, function (_importDecl, moduleSpecifier) { + var moduleSymbol = checker.getSymbolAtLocation(moduleSpecifier); + if (moduleSymbol === searchModuleSymbol) { + refs.push({ kind: "import", literal: moduleSpecifier }); + } + }); + } + return refs; + } + FindAllReferences.findModuleReferences = findModuleReferences; + /** Returns a map from a module symbol Id to all import statements that directly reference the module. */ + function getDirectImportsMap(sourceFiles, checker, cancellationToken) { + var map = new ts.Map(); + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (cancellationToken) + cancellationToken.throwIfCancellationRequested(); + forEachImport(sourceFile, function (importDecl, moduleSpecifier) { + var moduleSymbol = checker.getSymbolAtLocation(moduleSpecifier); + if (moduleSymbol) { + var id = ts.getSymbolId(moduleSymbol).toString(); + var imports = map.get(id); + if (!imports) { + map.set(id, imports = []); + } + imports.push(importDecl); + } + }); + } + return map; + } + /** Iterates over all statements at the top level or in module declarations. Returns the first truthy result. */ + function forEachPossibleImportOrExportStatement(sourceFileLike, action) { + return ts.forEach(sourceFileLike.kind === 305 /* SyntaxKind.SourceFile */ ? sourceFileLike.statements : sourceFileLike.body.statements, function (statement) { + return action(statement) || (isAmbientModuleDeclaration(statement) && ts.forEach(statement.body && statement.body.statements, action)); + }); + } + /** Calls `action` for each import, re-export, or require() in a file. */ + function forEachImport(sourceFile, action) { + if (sourceFile.externalModuleIndicator || sourceFile.imports !== undefined) { + for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) { + var i = _a[_i]; + action(ts.importFromModuleSpecifier(i), i); + } + } + else { + forEachPossibleImportOrExportStatement(sourceFile, function (statement) { + switch (statement.kind) { + case 272 /* SyntaxKind.ExportDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: { + var decl = statement; + if (decl.moduleSpecifier && ts.isStringLiteral(decl.moduleSpecifier)) { + action(decl, decl.moduleSpecifier); + } + break; + } + case 265 /* SyntaxKind.ImportEqualsDeclaration */: { + var decl = statement; + if (isExternalModuleImportEquals(decl)) { + action(decl, decl.moduleReference.expression); + } + break; + } + } + }); + } + } + /** + * Given a local reference, we might notice that it's an import/export and recursively search for references of that. + * If at an import, look locally for the symbol it imports. + * If at an export, look for all imports of it. + * This doesn't handle export specifiers; that is done in `getReferencesAtExportSpecifier`. + * @param comingFromExport If we are doing a search for all exports, don't bother looking backwards for the imported symbol, since that's the reason we're here. + */ + function getImportOrExportSymbol(node, symbol, checker, comingFromExport) { + return comingFromExport ? getExport() : getExport() || getImport(); + function getExport() { + var _a; + var parent = node.parent; + var grandparent = parent.parent; + if (symbol.exportSymbol) { + if (parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + // When accessing an export of a JS module, there's no alias. The symbol will still be flagged as an export even though we're at the use. + // So check that we are at the declaration. + return ((_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.some(function (d) { return d === parent; })) && ts.isBinaryExpression(grandparent) + ? getSpecialPropertyExport(grandparent, /*useLhsSymbol*/ false) + : undefined; + } + else { + return exportInfo(symbol.exportSymbol, getExportKindForDeclaration(parent)); + } + } + else { + var exportNode = getExportNode(parent, node); + if (exportNode && ts.hasSyntacticModifier(exportNode, 1 /* ModifierFlags.Export */)) { + if (ts.isImportEqualsDeclaration(exportNode) && exportNode.moduleReference === node) { + // We're at `Y` in `export import X = Y`. This is not the exported symbol, the left-hand-side is. So treat this as an import statement. + if (comingFromExport) { + return undefined; + } + var lhsSymbol = checker.getSymbolAtLocation(exportNode.name); + return { kind: 0 /* ImportExport.Import */, symbol: lhsSymbol }; + } + else { + return exportInfo(symbol, getExportKindForDeclaration(exportNode)); + } + } + else if (ts.isNamespaceExport(parent)) { + return exportInfo(symbol, 0 /* ExportKind.Named */); + } + // If we are in `export = a;` or `export default a;`, `parent` is the export assignment. + else if (ts.isExportAssignment(parent)) { + return getExportAssignmentExport(parent); + } + // If we are in `export = class A {};` (or `export = class A {};`) at `A`, `parent.parent` is the export assignment. + else if (ts.isExportAssignment(grandparent)) { + return getExportAssignmentExport(grandparent); + } + // Similar for `module.exports =` and `exports.A =`. + else if (ts.isBinaryExpression(parent)) { + return getSpecialPropertyExport(parent, /*useLhsSymbol*/ true); + } + else if (ts.isBinaryExpression(grandparent)) { + return getSpecialPropertyExport(grandparent, /*useLhsSymbol*/ true); + } + else if (ts.isJSDocTypedefTag(parent)) { + return exportInfo(symbol, 0 /* ExportKind.Named */); + } + } + function getExportAssignmentExport(ex) { + // Get the symbol for the `export =` node; its parent is the module it's the export of. + if (!ex.symbol.parent) + return undefined; + var exportKind = ex.isExportEquals ? 2 /* ExportKind.ExportEquals */ : 1 /* ExportKind.Default */; + return { kind: 1 /* ImportExport.Export */, symbol: symbol, exportInfo: { exportingModuleSymbol: ex.symbol.parent, exportKind: exportKind } }; + } + function getSpecialPropertyExport(node, useLhsSymbol) { + var kind; + switch (ts.getAssignmentDeclarationKind(node)) { + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + kind = 0 /* ExportKind.Named */; + break; + case 2 /* AssignmentDeclarationKind.ModuleExports */: + kind = 2 /* ExportKind.ExportEquals */; + break; + default: + return undefined; + } + var sym = useLhsSymbol ? checker.getSymbolAtLocation(ts.getNameOfAccessExpression(ts.cast(node.left, ts.isAccessExpression))) : symbol; + return sym && exportInfo(sym, kind); + } + } + function getImport() { + var isImport = isNodeImport(node); + if (!isImport) + return undefined; + // A symbol being imported is always an alias. So get what that aliases to find the local symbol. + var importedSymbol = checker.getImmediateAliasedSymbol(symbol); + if (!importedSymbol) + return undefined; + // Search on the local symbol in the exporting module, not the exported symbol. + importedSymbol = skipExportSpecifierSymbol(importedSymbol, checker); + // Similarly, skip past the symbol for 'export =' + if (importedSymbol.escapedName === "export=") { + importedSymbol = getExportEqualsLocalSymbol(importedSymbol, checker); + } + // If the import has a different name than the export, do not continue searching. + // If `importedName` is undefined, do continue searching as the export is anonymous. + // (All imports returned from this function will be ignored anyway if we are in rename and this is a not a named export.) + var importedName = ts.symbolEscapedNameNoDefault(importedSymbol); + if (importedName === undefined || importedName === "default" /* InternalSymbolName.Default */ || importedName === symbol.escapedName) { + return { kind: 0 /* ImportExport.Import */, symbol: importedSymbol }; + } + } + function exportInfo(symbol, kind) { + var exportInfo = getExportInfo(symbol, kind, checker); + return exportInfo && { kind: 1 /* ImportExport.Export */, symbol: symbol, exportInfo: exportInfo }; + } + // Not meant for use with export specifiers or export assignment. + function getExportKindForDeclaration(node) { + return ts.hasSyntacticModifier(node, 512 /* ModifierFlags.Default */) ? 1 /* ExportKind.Default */ : 0 /* ExportKind.Named */; + } + } + FindAllReferences.getImportOrExportSymbol = getImportOrExportSymbol; + function getExportEqualsLocalSymbol(importedSymbol, checker) { + if (importedSymbol.flags & 2097152 /* SymbolFlags.Alias */) { + return ts.Debug.checkDefined(checker.getImmediateAliasedSymbol(importedSymbol)); + } + var decl = ts.Debug.checkDefined(importedSymbol.valueDeclaration); + if (ts.isExportAssignment(decl)) { // `export = class {}` + return ts.Debug.checkDefined(decl.expression.symbol); + } + else if (ts.isBinaryExpression(decl)) { // `module.exports = class {}` + return ts.Debug.checkDefined(decl.right.symbol); + } + else if (ts.isSourceFile(decl)) { // json module + return ts.Debug.checkDefined(decl.symbol); + } + return ts.Debug.fail(); + } + // If a reference is a class expression, the exported node would be its parent. + // If a reference is a variable declaration, the exported node would be the variable statement. + function getExportNode(parent, node) { + var declaration = ts.isVariableDeclaration(parent) ? parent : ts.isBindingElement(parent) ? ts.walkUpBindingElementsAndPatterns(parent) : undefined; + if (declaration) { + return parent.name !== node ? undefined : + ts.isCatchClause(declaration.parent) ? undefined : ts.isVariableStatement(declaration.parent.parent) ? declaration.parent.parent : undefined; + } + else { + return parent; + } + } + function isNodeImport(node) { + var parent = node.parent; + switch (parent.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return parent.name === node && isExternalModuleImportEquals(parent); + case 270 /* SyntaxKind.ImportSpecifier */: + // For a rename import `{ foo as bar }`, don't search for the imported symbol. Just find local uses of `bar`. + return !parent.propertyName; + case 267 /* SyntaxKind.ImportClause */: + case 268 /* SyntaxKind.NamespaceImport */: + ts.Debug.assert(parent.name === node); + return true; + case 203 /* SyntaxKind.BindingElement */: + return ts.isInJSFile(node) && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(parent.parent.parent); + default: + return false; + } + } + function getExportInfo(exportSymbol, exportKind, checker) { + var moduleSymbol = exportSymbol.parent; + if (!moduleSymbol) + return undefined; // This can happen if an `export` is not at the top-level (which is a compile error). + var exportingModuleSymbol = checker.getMergedSymbol(moduleSymbol); // Need to get merged symbol in case there's an augmentation. + // `export` may appear in a namespace. In that case, just rely on global search. + return ts.isExternalModuleSymbol(exportingModuleSymbol) ? { exportingModuleSymbol: exportingModuleSymbol, exportKind: exportKind } : undefined; + } + FindAllReferences.getExportInfo = getExportInfo; + /** If at an export specifier, go to the symbol it refers to. */ + function skipExportSpecifierSymbol(symbol, checker) { + // For `export { foo } from './bar", there's nothing to skip, because it does not create a new alias. But `export { foo } does. + if (symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.isExportSpecifier(declaration) && !declaration.propertyName && !declaration.parent.parent.moduleSpecifier) { + return checker.getExportSpecifierLocalTargetSymbol(declaration); + } + else if (ts.isPropertyAccessExpression(declaration) && ts.isModuleExportsAccessExpression(declaration.expression) && !ts.isPrivateIdentifier(declaration.name)) { + // Export of form 'module.exports.propName = expr'; + return checker.getSymbolAtLocation(declaration); + } + else if (ts.isShorthandPropertyAssignment(declaration) + && ts.isBinaryExpression(declaration.parent.parent) + && ts.getAssignmentDeclarationKind(declaration.parent.parent) === 2 /* AssignmentDeclarationKind.ModuleExports */) { + return checker.getExportSpecifierLocalTargetSymbol(declaration.name); + } + } + } + return symbol; + } + function getContainingModuleSymbol(importer, checker) { + return checker.getMergedSymbol(getSourceFileLikeForImportDeclaration(importer).symbol); + } + function getSourceFileLikeForImportDeclaration(node) { + if (node.kind === 208 /* SyntaxKind.CallExpression */) { + return node.getSourceFile(); + } + var parent = node.parent; + if (parent.kind === 305 /* SyntaxKind.SourceFile */) { + return parent; + } + ts.Debug.assert(parent.kind === 262 /* SyntaxKind.ModuleBlock */); + return ts.cast(parent.parent, isAmbientModuleDeclaration); + } + function isAmbientModuleDeclaration(node) { + return node.kind === 261 /* SyntaxKind.ModuleDeclaration */ && node.name.kind === 10 /* SyntaxKind.StringLiteral */; + } + function isExternalModuleImportEquals(eq) { + return eq.moduleReference.kind === 277 /* SyntaxKind.ExternalModuleReference */ && eq.moduleReference.expression.kind === 10 /* SyntaxKind.StringLiteral */; + } + })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var FindAllReferences; + (function (FindAllReferences) { + var DefinitionKind; + (function (DefinitionKind) { + DefinitionKind[DefinitionKind["Symbol"] = 0] = "Symbol"; + DefinitionKind[DefinitionKind["Label"] = 1] = "Label"; + DefinitionKind[DefinitionKind["Keyword"] = 2] = "Keyword"; + DefinitionKind[DefinitionKind["This"] = 3] = "This"; + DefinitionKind[DefinitionKind["String"] = 4] = "String"; + DefinitionKind[DefinitionKind["TripleSlashReference"] = 5] = "TripleSlashReference"; + })(DefinitionKind = FindAllReferences.DefinitionKind || (FindAllReferences.DefinitionKind = {})); + var EntryKind; + (function (EntryKind) { + EntryKind[EntryKind["Span"] = 0] = "Span"; + EntryKind[EntryKind["Node"] = 1] = "Node"; + EntryKind[EntryKind["StringLiteral"] = 2] = "StringLiteral"; + EntryKind[EntryKind["SearchedLocalFoundProperty"] = 3] = "SearchedLocalFoundProperty"; + EntryKind[EntryKind["SearchedPropertyFoundLocal"] = 4] = "SearchedPropertyFoundLocal"; + })(EntryKind = FindAllReferences.EntryKind || (FindAllReferences.EntryKind = {})); + function nodeEntry(node, kind) { + if (kind === void 0) { kind = 1 /* EntryKind.Node */; } + return { + kind: kind, + node: node.name || node, + context: getContextNodeForNodeEntry(node) + }; + } + FindAllReferences.nodeEntry = nodeEntry; + function isContextWithStartAndEndNode(node) { + return node && node.kind === undefined; + } + FindAllReferences.isContextWithStartAndEndNode = isContextWithStartAndEndNode; + function getContextNodeForNodeEntry(node) { + if (ts.isDeclaration(node)) { + return getContextNode(node); + } + if (!node.parent) + return undefined; + if (!ts.isDeclaration(node.parent) && !ts.isExportAssignment(node.parent)) { + // Special property assignment in javascript + if (ts.isInJSFile(node)) { + var binaryExpression = ts.isBinaryExpression(node.parent) ? + node.parent : + ts.isAccessExpression(node.parent) && + ts.isBinaryExpression(node.parent.parent) && + node.parent.parent.left === node.parent ? + node.parent.parent : + undefined; + if (binaryExpression && ts.getAssignmentDeclarationKind(binaryExpression) !== 0 /* AssignmentDeclarationKind.None */) { + return getContextNode(binaryExpression); + } + } + // Jsx Tags + if (ts.isJsxOpeningElement(node.parent) || ts.isJsxClosingElement(node.parent)) { + return node.parent.parent; + } + else if (ts.isJsxSelfClosingElement(node.parent) || + ts.isLabeledStatement(node.parent) || + ts.isBreakOrContinueStatement(node.parent)) { + return node.parent; + } + else if (ts.isStringLiteralLike(node)) { + var validImport = ts.tryGetImportFromModuleSpecifier(node); + if (validImport) { + var declOrStatement = ts.findAncestor(validImport, function (node) { + return ts.isDeclaration(node) || + ts.isStatement(node) || + ts.isJSDocTag(node); + }); + return ts.isDeclaration(declOrStatement) ? + getContextNode(declOrStatement) : + declOrStatement; + } + } + // Handle computed property name + var propertyName = ts.findAncestor(node, ts.isComputedPropertyName); + return propertyName ? + getContextNode(propertyName.parent) : + undefined; + } + if (node.parent.name === node || // node is name of declaration, use parent + ts.isConstructorDeclaration(node.parent) || + ts.isExportAssignment(node.parent) || + // Property name of the import export specifier or binding pattern, use parent + ((ts.isImportOrExportSpecifier(node.parent) || ts.isBindingElement(node.parent)) + && node.parent.propertyName === node) || + // Is default export + (node.kind === 88 /* SyntaxKind.DefaultKeyword */ && ts.hasSyntacticModifier(node.parent, 513 /* ModifierFlags.ExportDefault */))) { + return getContextNode(node.parent); + } + return undefined; + } + function getContextNode(node) { + if (!node) + return undefined; + switch (node.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + return !ts.isVariableDeclarationList(node.parent) || node.parent.declarations.length !== 1 ? + node : + ts.isVariableStatement(node.parent.parent) ? + node.parent.parent : + ts.isForInOrOfStatement(node.parent.parent) ? + getContextNode(node.parent.parent) : + node.parent; + case 203 /* SyntaxKind.BindingElement */: + return getContextNode(node.parent.parent); + case 270 /* SyntaxKind.ImportSpecifier */: + return node.parent.parent.parent; + case 275 /* SyntaxKind.ExportSpecifier */: + case 268 /* SyntaxKind.NamespaceImport */: + return node.parent.parent; + case 267 /* SyntaxKind.ImportClause */: + case 274 /* SyntaxKind.NamespaceExport */: + return node.parent; + case 221 /* SyntaxKind.BinaryExpression */: + return ts.isExpressionStatement(node.parent) ? + node.parent : + node; + case 244 /* SyntaxKind.ForOfStatement */: + case 243 /* SyntaxKind.ForInStatement */: + return { + start: node.initializer, + end: node.expression + }; + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent) ? + getContextNode(ts.findAncestor(node.parent, function (node) { + return ts.isBinaryExpression(node) || ts.isForInOrOfStatement(node); + })) : + node; + default: + return node; + } + } + FindAllReferences.getContextNode = getContextNode; + function toContextSpan(textSpan, sourceFile, context) { + if (!context) + return undefined; + var contextSpan = isContextWithStartAndEndNode(context) ? + getTextSpan(context.start, sourceFile, context.end) : + getTextSpan(context, sourceFile); + return contextSpan.start !== textSpan.start || contextSpan.length !== textSpan.length ? + { contextSpan: contextSpan } : + undefined; + } + FindAllReferences.toContextSpan = toContextSpan; + var FindReferencesUse; + (function (FindReferencesUse) { + /** + * When searching for references to a symbol, the location will not be adjusted (this is the default behavior when not specified). + */ + FindReferencesUse[FindReferencesUse["Other"] = 0] = "Other"; + /** + * When searching for references to a symbol, the location will be adjusted if the cursor was on a keyword. + */ + FindReferencesUse[FindReferencesUse["References"] = 1] = "References"; + /** + * When searching for references to a symbol, the location will be adjusted if the cursor was on a keyword. + * Unlike `References`, the location will only be adjusted keyword belonged to a declaration with a valid name. + * If set, we will find fewer references -- if it is referenced by several different names, we still only find references for the original name. + */ + FindReferencesUse[FindReferencesUse["Rename"] = 2] = "Rename"; + })(FindReferencesUse = FindAllReferences.FindReferencesUse || (FindAllReferences.FindReferencesUse = {})); + function findReferencedSymbols(program, cancellationToken, sourceFiles, sourceFile, position) { + var node = ts.getTouchingPropertyName(sourceFile, position); + var options = { use: 1 /* FindReferencesUse.References */ }; + var referencedSymbols = Core.getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options); + var checker = program.getTypeChecker(); + // Unless the starting node is a declaration (vs e.g. JSDoc), don't attempt to compute isDefinition + var adjustedNode = Core.getAdjustedNode(node, options); + var symbol = isDefinitionForReference(adjustedNode) ? checker.getSymbolAtLocation(adjustedNode) : undefined; + return !referencedSymbols || !referencedSymbols.length ? undefined : ts.mapDefined(referencedSymbols, function (_a) { + var definition = _a.definition, references = _a.references; + // Only include referenced symbols that have a valid definition. + return definition && { + definition: checker.runWithCancellationToken(cancellationToken, function (checker) { return definitionToReferencedSymbolDefinitionInfo(definition, checker, node); }), + references: references.map(function (r) { return toReferencedSymbolEntry(r, symbol); }) + }; + }); + } + FindAllReferences.findReferencedSymbols = findReferencedSymbols; + function isDefinitionForReference(node) { + return node.kind === 88 /* SyntaxKind.DefaultKeyword */ + || !!ts.getDeclarationFromName(node) + || ts.isLiteralComputedPropertyDeclarationName(node) + || (node.kind === 134 /* SyntaxKind.ConstructorKeyword */ && ts.isConstructorDeclaration(node.parent)); + } + function getImplementationsAtPosition(program, cancellationToken, sourceFiles, sourceFile, position) { + var node = ts.getTouchingPropertyName(sourceFile, position); + var referenceEntries; + var entries = getImplementationReferenceEntries(program, cancellationToken, sourceFiles, node, position); + if (node.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */ + || node.parent.kind === 203 /* SyntaxKind.BindingElement */ + || node.parent.kind === 207 /* SyntaxKind.ElementAccessExpression */ + || node.kind === 106 /* SyntaxKind.SuperKeyword */) { + referenceEntries = entries && __spreadArray([], entries, true); + } + else { + var queue = entries && __spreadArray([], entries, true); + var seenNodes = new ts.Map(); + while (queue && queue.length) { + var entry = queue.shift(); + if (!ts.addToSeen(seenNodes, ts.getNodeId(entry.node))) { + continue; + } + referenceEntries = ts.append(referenceEntries, entry); + var entries_1 = getImplementationReferenceEntries(program, cancellationToken, sourceFiles, entry.node, entry.node.pos); + if (entries_1) { + queue.push.apply(queue, entries_1); + } + } + } + var checker = program.getTypeChecker(); + return ts.map(referenceEntries, function (entry) { return toImplementationLocation(entry, checker); }); + } + FindAllReferences.getImplementationsAtPosition = getImplementationsAtPosition; + function getImplementationReferenceEntries(program, cancellationToken, sourceFiles, node, position) { + if (node.kind === 305 /* SyntaxKind.SourceFile */) { + return undefined; + } + var checker = program.getTypeChecker(); + // If invoked directly on a shorthand property assignment, then return + // the declaration of the symbol being assigned (not the symbol being assigned to). + if (node.parent.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + var result_2 = []; + Core.getReferenceEntriesForShorthandPropertyAssignment(node, checker, function (node) { return result_2.push(nodeEntry(node)); }); + return result_2; + } + else if (node.kind === 106 /* SyntaxKind.SuperKeyword */ || ts.isSuperProperty(node.parent)) { + // References to and accesses on the super keyword only have one possible implementation, so no + // need to "Find all References" + var symbol = checker.getSymbolAtLocation(node); + return symbol.valueDeclaration && [nodeEntry(symbol.valueDeclaration)]; + } + else { + // Perform "Find all References" and retrieve only those that are implementations + return getReferenceEntriesForNode(position, node, program, sourceFiles, cancellationToken, { implementations: true, use: 1 /* FindReferencesUse.References */ }); + } + } + function findReferenceOrRenameEntries(program, cancellationToken, sourceFiles, node, position, options, convertEntry) { + return ts.map(flattenEntries(Core.getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options)), function (entry) { return convertEntry(entry, node, program.getTypeChecker()); }); + } + FindAllReferences.findReferenceOrRenameEntries = findReferenceOrRenameEntries; + function getReferenceEntriesForNode(position, node, program, sourceFiles, cancellationToken, options, sourceFilesSet) { + if (options === void 0) { options = {}; } + if (sourceFilesSet === void 0) { sourceFilesSet = new ts.Set(sourceFiles.map(function (f) { return f.fileName; })); } + return flattenEntries(Core.getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options, sourceFilesSet)); + } + FindAllReferences.getReferenceEntriesForNode = getReferenceEntriesForNode; + function flattenEntries(referenceSymbols) { + return referenceSymbols && ts.flatMap(referenceSymbols, function (r) { return r.references; }); + } + function definitionToReferencedSymbolDefinitionInfo(def, checker, originalNode) { + var info = (function () { + switch (def.type) { + case 0 /* DefinitionKind.Symbol */: { + var symbol = def.symbol; + var _a = getDefinitionKindAndDisplayParts(symbol, checker, originalNode), displayParts_1 = _a.displayParts, kind_1 = _a.kind; + var name_1 = displayParts_1.map(function (p) { return p.text; }).join(""); + var declaration = symbol.declarations && ts.firstOrUndefined(symbol.declarations); + var node = declaration ? (ts.getNameOfDeclaration(declaration) || declaration) : originalNode; + return __assign(__assign({}, getFileAndTextSpanFromNode(node)), { name: name_1, kind: kind_1, displayParts: displayParts_1, context: getContextNode(declaration) }); + } + case 1 /* DefinitionKind.Label */: { + var node = def.node; + return __assign(__assign({}, getFileAndTextSpanFromNode(node)), { name: node.text, kind: "label" /* ScriptElementKind.label */, displayParts: [ts.displayPart(node.text, ts.SymbolDisplayPartKind.text)] }); + } + case 2 /* DefinitionKind.Keyword */: { + var node = def.node; + var name_2 = ts.tokenToString(node.kind); + return __assign(__assign({}, getFileAndTextSpanFromNode(node)), { name: name_2, kind: "keyword" /* ScriptElementKind.keyword */, displayParts: [{ text: name_2, kind: "keyword" /* ScriptElementKind.keyword */ }] }); + } + case 3 /* DefinitionKind.This */: { + var node = def.node; + var symbol = checker.getSymbolAtLocation(node); + var displayParts_2 = symbol && ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, node.getSourceFile(), ts.getContainerNode(node), node).displayParts || [ts.textPart("this")]; + return __assign(__assign({}, getFileAndTextSpanFromNode(node)), { name: "this", kind: "var" /* ScriptElementKind.variableElement */, displayParts: displayParts_2 }); + } + case 4 /* DefinitionKind.String */: { + var node = def.node; + return __assign(__assign({}, getFileAndTextSpanFromNode(node)), { name: node.text, kind: "var" /* ScriptElementKind.variableElement */, displayParts: [ts.displayPart(ts.getTextOfNode(node), ts.SymbolDisplayPartKind.stringLiteral)] }); + } + case 5 /* DefinitionKind.TripleSlashReference */: { + return { + textSpan: ts.createTextSpanFromRange(def.reference), + sourceFile: def.file, + name: def.reference.fileName, + kind: "string" /* ScriptElementKind.string */, + displayParts: [ts.displayPart("\"".concat(def.reference.fileName, "\""), ts.SymbolDisplayPartKind.stringLiteral)] + }; + } + default: + return ts.Debug.assertNever(def); + } + })(); + var sourceFile = info.sourceFile, textSpan = info.textSpan, name = info.name, kind = info.kind, displayParts = info.displayParts, context = info.context; + return __assign({ containerKind: "" /* ScriptElementKind.unknown */, containerName: "", fileName: sourceFile.fileName, kind: kind, name: name, textSpan: textSpan, displayParts: displayParts }, toContextSpan(textSpan, sourceFile, context)); + } + function getFileAndTextSpanFromNode(node) { + var sourceFile = node.getSourceFile(); + return { + sourceFile: sourceFile, + textSpan: getTextSpan(ts.isComputedPropertyName(node) ? node.expression : node, sourceFile) + }; + } + function getDefinitionKindAndDisplayParts(symbol, checker, node) { + var meaning = Core.getIntersectingMeaningFromDeclarations(node, symbol); + var enclosingDeclaration = symbol.declarations && ts.firstOrUndefined(symbol.declarations) || node; + var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, enclosingDeclaration.getSourceFile(), enclosingDeclaration, enclosingDeclaration, meaning), displayParts = _a.displayParts, symbolKind = _a.symbolKind; + return { displayParts: displayParts, kind: symbolKind }; + } + function toRenameLocation(entry, originalNode, checker, providePrefixAndSuffixText) { + return __assign(__assign({}, entryToDocumentSpan(entry)), (providePrefixAndSuffixText && getPrefixAndSuffixText(entry, originalNode, checker))); + } + FindAllReferences.toRenameLocation = toRenameLocation; + function toReferencedSymbolEntry(entry, symbol) { + var referenceEntry = toReferenceEntry(entry); + if (!symbol) + return referenceEntry; + return __assign(__assign({}, referenceEntry), { isDefinition: entry.kind !== 0 /* EntryKind.Span */ && isDeclarationOfSymbol(entry.node, symbol) }); + } + function toReferenceEntry(entry) { + var documentSpan = entryToDocumentSpan(entry); + if (entry.kind === 0 /* EntryKind.Span */) { + return __assign(__assign({}, documentSpan), { isWriteAccess: false }); + } + var kind = entry.kind, node = entry.node; + return __assign(__assign({}, documentSpan), { isWriteAccess: isWriteAccessForReference(node), isInString: kind === 2 /* EntryKind.StringLiteral */ ? true : undefined }); + } + FindAllReferences.toReferenceEntry = toReferenceEntry; + function entryToDocumentSpan(entry) { + if (entry.kind === 0 /* EntryKind.Span */) { + return { textSpan: entry.textSpan, fileName: entry.fileName }; + } + else { + var sourceFile = entry.node.getSourceFile(); + var textSpan = getTextSpan(entry.node, sourceFile); + return __assign({ textSpan: textSpan, fileName: sourceFile.fileName }, toContextSpan(textSpan, sourceFile, entry.context)); + } + } + function getPrefixAndSuffixText(entry, originalNode, checker) { + if (entry.kind !== 0 /* EntryKind.Span */ && ts.isIdentifier(originalNode)) { + var node = entry.node, kind = entry.kind; + var parent = node.parent; + var name = originalNode.text; + var isShorthandAssignment = ts.isShorthandPropertyAssignment(parent); + if (isShorthandAssignment || (ts.isObjectBindingElementWithoutPropertyName(parent) && parent.name === node && parent.dotDotDotToken === undefined)) { + var prefixColon = { prefixText: name + ": " }; + var suffixColon = { suffixText: ": " + name }; + if (kind === 3 /* EntryKind.SearchedLocalFoundProperty */) { + return prefixColon; + } + if (kind === 4 /* EntryKind.SearchedPropertyFoundLocal */) { + return suffixColon; + } + // In `const o = { x }; o.x`, symbolAtLocation at `x` in `{ x }` is the property symbol. + // For a binding element `const { x } = o;`, symbolAtLocation at `x` is the property symbol. + if (isShorthandAssignment) { + var grandParent = parent.parent; + if (ts.isObjectLiteralExpression(grandParent) && + ts.isBinaryExpression(grandParent.parent) && + ts.isModuleExportsAccessExpression(grandParent.parent.left)) { + return prefixColon; + } + return suffixColon; + } + else { + return prefixColon; + } + } + else if (ts.isImportSpecifier(parent) && !parent.propertyName) { + // If the original symbol was using this alias, just rename the alias. + var originalSymbol = ts.isExportSpecifier(originalNode.parent) ? checker.getExportSpecifierLocalTargetSymbol(originalNode.parent) : checker.getSymbolAtLocation(originalNode); + return ts.contains(originalSymbol.declarations, parent) ? { prefixText: name + " as " } : ts.emptyOptions; + } + else if (ts.isExportSpecifier(parent) && !parent.propertyName) { + // If the symbol for the node is same as declared node symbol use prefix text + return originalNode === entry.node || checker.getSymbolAtLocation(originalNode) === checker.getSymbolAtLocation(entry.node) ? + { prefixText: name + " as " } : + { suffixText: " as " + name }; + } + } + return ts.emptyOptions; + } + function toImplementationLocation(entry, checker) { + var documentSpan = entryToDocumentSpan(entry); + if (entry.kind !== 0 /* EntryKind.Span */) { + var node = entry.node; + return __assign(__assign({}, documentSpan), implementationKindDisplayParts(node, checker)); + } + else { + return __assign(__assign({}, documentSpan), { kind: "" /* ScriptElementKind.unknown */, displayParts: [] }); + } + } + function implementationKindDisplayParts(node, checker) { + var symbol = checker.getSymbolAtLocation(ts.isDeclaration(node) && node.name ? node.name : node); + if (symbol) { + return getDefinitionKindAndDisplayParts(symbol, checker, node); + } + else if (node.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + return { + kind: "interface" /* ScriptElementKind.interfaceElement */, + displayParts: [ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */), ts.textPart("object literal"), ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)] + }; + } + else if (node.kind === 226 /* SyntaxKind.ClassExpression */) { + return { + kind: "local class" /* ScriptElementKind.localClassElement */, + displayParts: [ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */), ts.textPart("anonymous local class"), ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)] + }; + } + else { + return { kind: ts.getNodeKind(node), displayParts: [] }; + } + } + function toHighlightSpan(entry) { + var documentSpan = entryToDocumentSpan(entry); + if (entry.kind === 0 /* EntryKind.Span */) { + return { + fileName: documentSpan.fileName, + span: { + textSpan: documentSpan.textSpan, + kind: "reference" /* HighlightSpanKind.reference */ + } + }; + } + var writeAccess = isWriteAccessForReference(entry.node); + var span = __assign({ textSpan: documentSpan.textSpan, kind: writeAccess ? "writtenReference" /* HighlightSpanKind.writtenReference */ : "reference" /* HighlightSpanKind.reference */, isInString: entry.kind === 2 /* EntryKind.StringLiteral */ ? true : undefined }, documentSpan.contextSpan && { contextSpan: documentSpan.contextSpan }); + return { fileName: documentSpan.fileName, span: span }; + } + FindAllReferences.toHighlightSpan = toHighlightSpan; + function getTextSpan(node, sourceFile, endNode) { + var start = node.getStart(sourceFile); + var end = (endNode || node).getEnd(); + if (ts.isStringLiteralLike(node) && (end - start) > 2) { + ts.Debug.assert(endNode === undefined); + start += 1; + end -= 1; + } + return ts.createTextSpanFromBounds(start, end); + } + function getTextSpanOfEntry(entry) { + return entry.kind === 0 /* EntryKind.Span */ ? entry.textSpan : + getTextSpan(entry.node, entry.node.getSourceFile()); + } + FindAllReferences.getTextSpanOfEntry = getTextSpanOfEntry; + /** A node is considered a writeAccess iff it is a name of a declaration or a target of an assignment */ + function isWriteAccessForReference(node) { + var decl = ts.getDeclarationFromName(node); + return !!decl && declarationIsWriteAccess(decl) || node.kind === 88 /* SyntaxKind.DefaultKeyword */ || ts.isWriteAccess(node); + } + /** Whether a reference, `node`, is a definition of the `target` symbol */ + function isDeclarationOfSymbol(node, target) { + var _a; + if (!target) + return false; + var source = ts.getDeclarationFromName(node) || + (node.kind === 88 /* SyntaxKind.DefaultKeyword */ ? node.parent + : ts.isLiteralComputedPropertyDeclarationName(node) ? node.parent.parent + : node.kind === 134 /* SyntaxKind.ConstructorKeyword */ && ts.isConstructorDeclaration(node.parent) ? node.parent.parent + : undefined); + var commonjsSource = source && ts.isBinaryExpression(source) ? source.left : undefined; + return !!(source && ((_a = target.declarations) === null || _a === void 0 ? void 0 : _a.some(function (d) { return d === source || d === commonjsSource; }))); + } + /** + * True if 'decl' provides a value, as in `function f() {}`; + * false if 'decl' is just a location for a future write, as in 'let x;' + */ + function declarationIsWriteAccess(decl) { + // Consider anything in an ambient declaration to be a write access since it may be coming from JS. + if (!!(decl.flags & 16777216 /* NodeFlags.Ambient */)) + return true; + switch (decl.kind) { + case 221 /* SyntaxKind.BinaryExpression */: + case 203 /* SyntaxKind.BindingElement */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 88 /* SyntaxKind.DefaultKeyword */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 299 /* SyntaxKind.EnumMember */: + case 275 /* SyntaxKind.ExportSpecifier */: + case 267 /* SyntaxKind.ImportClause */: // default import + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 285 /* SyntaxKind.JsxAttribute */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + case 268 /* SyntaxKind.NamespaceImport */: + case 274 /* SyntaxKind.NamespaceExport */: + case 164 /* SyntaxKind.Parameter */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 163 /* SyntaxKind.TypeParameter */: + return true; + case 296 /* SyntaxKind.PropertyAssignment */: + // In `({ x: y } = 0);`, `x` is not a write access. (Won't call this function for `y`.) + return !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(decl.parent); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 171 /* SyntaxKind.Constructor */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return !!decl.body; + case 254 /* SyntaxKind.VariableDeclaration */: + case 167 /* SyntaxKind.PropertyDeclaration */: + return !!decl.initializer || ts.isCatchClause(decl.parent); + case 168 /* SyntaxKind.MethodSignature */: + case 166 /* SyntaxKind.PropertySignature */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + case 340 /* SyntaxKind.JSDocParameterTag */: + return false; + default: + return ts.Debug.failBadSyntaxKind(decl); + } + } + /** Encapsulates the core find-all-references algorithm. */ + var Core; + (function (Core) { + /** Core find-all-references algorithm. Handles special cases before delegating to `getReferencedSymbolsForSymbol`. */ + function getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options, sourceFilesSet) { + var _a, _b; + if (options === void 0) { options = {}; } + if (sourceFilesSet === void 0) { sourceFilesSet = new ts.Set(sourceFiles.map(function (f) { return f.fileName; })); } + node = getAdjustedNode(node, options); + if (ts.isSourceFile(node)) { + var resolvedRef = ts.GoToDefinition.getReferenceAtPosition(node, position, program); + if (!(resolvedRef === null || resolvedRef === void 0 ? void 0 : resolvedRef.file)) { + return undefined; + } + var moduleSymbol = program.getTypeChecker().getMergedSymbol(resolvedRef.file.symbol); + if (moduleSymbol) { + return getReferencedSymbolsForModule(program, moduleSymbol, /*excludeImportTypeOfExportEquals*/ false, sourceFiles, sourceFilesSet); + } + var fileIncludeReasons = program.getFileIncludeReasons(); + if (!fileIncludeReasons) { + return undefined; + } + return [{ + definition: { type: 5 /* DefinitionKind.TripleSlashReference */, reference: resolvedRef.reference, file: node }, + references: getReferencesForNonModule(resolvedRef.file, fileIncludeReasons, program) || ts.emptyArray + }]; + } + if (!options.implementations) { + var special = getReferencedSymbolsSpecial(node, sourceFiles, cancellationToken); + if (special) { + return special; + } + } + var checker = program.getTypeChecker(); + // constructors should use the class symbol, detected by name, if present + var symbol = checker.getSymbolAtLocation(ts.isConstructorDeclaration(node) && node.parent.name || node); + // Could not find a symbol e.g. unknown identifier + if (!symbol) { + // String literal might be a property (and thus have a symbol), so do this here rather than in getReferencedSymbolsSpecial. + if (!options.implementations && ts.isStringLiteralLike(node)) { + if (ts.isModuleSpecifierLike(node)) { + var fileIncludeReasons = program.getFileIncludeReasons(); + var referencedFileName = (_b = (_a = node.getSourceFile().resolvedModules) === null || _a === void 0 ? void 0 : _a.get(node.text, ts.getModeForUsageLocation(node.getSourceFile(), node))) === null || _b === void 0 ? void 0 : _b.resolvedFileName; + var referencedFile = referencedFileName ? program.getSourceFile(referencedFileName) : undefined; + if (referencedFile) { + return [{ definition: { type: 4 /* DefinitionKind.String */, node: node }, references: getReferencesForNonModule(referencedFile, fileIncludeReasons, program) || ts.emptyArray }]; + } + // Fall through to string literal references. This is not very likely to return + // anything useful, but I guess it's better than nothing, and there's an existing + // test that expects this to happen (fourslash/cases/untypedModuleImport.ts). + } + return getReferencesForStringLiteral(node, sourceFiles, checker, cancellationToken); + } + return undefined; + } + if (symbol.escapedName === "export=" /* InternalSymbolName.ExportEquals */) { + return getReferencedSymbolsForModule(program, symbol.parent, /*excludeImportTypeOfExportEquals*/ false, sourceFiles, sourceFilesSet); + } + var moduleReferences = getReferencedSymbolsForModuleIfDeclaredBySourceFile(symbol, program, sourceFiles, cancellationToken, options, sourceFilesSet); + if (moduleReferences && !(symbol.flags & 33554432 /* SymbolFlags.Transient */)) { + return moduleReferences; + } + var aliasedSymbol = getMergedAliasedSymbolOfNamespaceExportDeclaration(node, symbol, checker); + var moduleReferencesOfExportTarget = aliasedSymbol && + getReferencedSymbolsForModuleIfDeclaredBySourceFile(aliasedSymbol, program, sourceFiles, cancellationToken, options, sourceFilesSet); + var references = getReferencedSymbolsForSymbol(symbol, node, sourceFiles, sourceFilesSet, checker, cancellationToken, options); + return mergeReferences(program, moduleReferences, references, moduleReferencesOfExportTarget); + } + Core.getReferencedSymbolsForNode = getReferencedSymbolsForNode; + function getAdjustedNode(node, options) { + if (options.use === 1 /* FindReferencesUse.References */) { + node = ts.getAdjustedReferenceLocation(node); + } + else if (options.use === 2 /* FindReferencesUse.Rename */) { + node = ts.getAdjustedRenameLocation(node); + } + return node; + } + Core.getAdjustedNode = getAdjustedNode; + function getReferencesForFileName(fileName, program, sourceFiles, sourceFilesSet) { + var _a, _b; + if (sourceFilesSet === void 0) { sourceFilesSet = new ts.Set(sourceFiles.map(function (f) { return f.fileName; })); } + var moduleSymbol = (_a = program.getSourceFile(fileName)) === null || _a === void 0 ? void 0 : _a.symbol; + if (moduleSymbol) { + return ((_b = getReferencedSymbolsForModule(program, moduleSymbol, /*excludeImportTypeOfExportEquals*/ false, sourceFiles, sourceFilesSet)[0]) === null || _b === void 0 ? void 0 : _b.references) || ts.emptyArray; + } + var fileIncludeReasons = program.getFileIncludeReasons(); + var referencedFile = program.getSourceFile(fileName); + return referencedFile && fileIncludeReasons && getReferencesForNonModule(referencedFile, fileIncludeReasons, program) || ts.emptyArray; + } + Core.getReferencesForFileName = getReferencesForFileName; + function getReferencesForNonModule(referencedFile, refFileMap, program) { + var entries; + var references = refFileMap.get(referencedFile.path) || ts.emptyArray; + for (var _i = 0, references_1 = references; _i < references_1.length; _i++) { + var ref = references_1[_i]; + if (ts.isReferencedFile(ref)) { + var referencingFile = program.getSourceFileByPath(ref.file); + var location = ts.getReferencedFileLocation(program.getSourceFileByPath, ref); + if (ts.isReferenceFileLocation(location)) { + entries = ts.append(entries, { + kind: 0 /* EntryKind.Span */, + fileName: referencingFile.fileName, + textSpan: ts.createTextSpanFromRange(location) + }); + } + } + } + return entries; + } + function getMergedAliasedSymbolOfNamespaceExportDeclaration(node, symbol, checker) { + if (node.parent && ts.isNamespaceExportDeclaration(node.parent)) { + var aliasedSymbol = checker.getAliasedSymbol(symbol); + var targetSymbol = checker.getMergedSymbol(aliasedSymbol); + if (aliasedSymbol !== targetSymbol) { + return targetSymbol; + } + } + return undefined; + } + function getReferencedSymbolsForModuleIfDeclaredBySourceFile(symbol, program, sourceFiles, cancellationToken, options, sourceFilesSet) { + var moduleSourceFile = (symbol.flags & 1536 /* SymbolFlags.Module */) && symbol.declarations && ts.find(symbol.declarations, ts.isSourceFile); + if (!moduleSourceFile) + return undefined; + var exportEquals = symbol.exports.get("export=" /* InternalSymbolName.ExportEquals */); + // If !!exportEquals, we're about to add references to `import("mod")` anyway, so don't double-count them. + var moduleReferences = getReferencedSymbolsForModule(program, symbol, !!exportEquals, sourceFiles, sourceFilesSet); + if (!exportEquals || !sourceFilesSet.has(moduleSourceFile.fileName)) + return moduleReferences; + // Continue to get references to 'export ='. + var checker = program.getTypeChecker(); + symbol = ts.skipAlias(exportEquals, checker); + return mergeReferences(program, moduleReferences, getReferencedSymbolsForSymbol(symbol, /*node*/ undefined, sourceFiles, sourceFilesSet, checker, cancellationToken, options)); + } + /** + * Merges the references by sorting them (by file index in sourceFiles and their location in it) that point to same definition symbol + */ + function mergeReferences(program) { + var referencesToMerge = []; + for (var _i = 1; _i < arguments.length; _i++) { + referencesToMerge[_i - 1] = arguments[_i]; + } + var result; + for (var _a = 0, referencesToMerge_1 = referencesToMerge; _a < referencesToMerge_1.length; _a++) { + var references = referencesToMerge_1[_a]; + if (!references || !references.length) + continue; + if (!result) { + result = references; + continue; + } + var _loop_5 = function (entry) { + if (!entry.definition || entry.definition.type !== 0 /* DefinitionKind.Symbol */) { + result.push(entry); + return "continue"; + } + var symbol = entry.definition.symbol; + var refIndex = ts.findIndex(result, function (ref) { return !!ref.definition && + ref.definition.type === 0 /* DefinitionKind.Symbol */ && + ref.definition.symbol === symbol; }); + if (refIndex === -1) { + result.push(entry); + return "continue"; + } + var reference = result[refIndex]; + result[refIndex] = { + definition: reference.definition, + references: reference.references.concat(entry.references).sort(function (entry1, entry2) { + var entry1File = getSourceFileIndexOfEntry(program, entry1); + var entry2File = getSourceFileIndexOfEntry(program, entry2); + if (entry1File !== entry2File) { + return ts.compareValues(entry1File, entry2File); + } + var entry1Span = getTextSpanOfEntry(entry1); + var entry2Span = getTextSpanOfEntry(entry2); + return entry1Span.start !== entry2Span.start ? + ts.compareValues(entry1Span.start, entry2Span.start) : + ts.compareValues(entry1Span.length, entry2Span.length); + }) + }; + }; + for (var _b = 0, references_2 = references; _b < references_2.length; _b++) { + var entry = references_2[_b]; + _loop_5(entry); + } + } + return result; + } + function getSourceFileIndexOfEntry(program, entry) { + var sourceFile = entry.kind === 0 /* EntryKind.Span */ ? + program.getSourceFile(entry.fileName) : + entry.node.getSourceFile(); + return program.getSourceFiles().indexOf(sourceFile); + } + function getReferencedSymbolsForModule(program, symbol, excludeImportTypeOfExportEquals, sourceFiles, sourceFilesSet) { + ts.Debug.assert(!!symbol.valueDeclaration); + var references = ts.mapDefined(FindAllReferences.findModuleReferences(program, sourceFiles, symbol), function (reference) { + if (reference.kind === "import") { + var parent = reference.literal.parent; + if (ts.isLiteralTypeNode(parent)) { + var importType = ts.cast(parent.parent, ts.isImportTypeNode); + if (excludeImportTypeOfExportEquals && !importType.qualifier) { + return undefined; + } + } + // import("foo") with no qualifier will reference the `export =` of the module, which may be referenced anyway. + return nodeEntry(reference.literal); + } + else { + return { + kind: 0 /* EntryKind.Span */, + fileName: reference.referencingFile.fileName, + textSpan: ts.createTextSpanFromRange(reference.ref), + }; + } + }); + if (symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + switch (decl.kind) { + case 305 /* SyntaxKind.SourceFile */: + // Don't include the source file itself. (This may not be ideal behavior, but awkward to include an entire file as a reference.) + break; + case 261 /* SyntaxKind.ModuleDeclaration */: + if (sourceFilesSet.has(decl.getSourceFile().fileName)) { + references.push(nodeEntry(decl.name)); + } + break; + default: + // This may be merged with something. + ts.Debug.assert(!!(symbol.flags & 33554432 /* SymbolFlags.Transient */), "Expected a module symbol to be declared by a SourceFile or ModuleDeclaration."); + } + } + } + var exported = symbol.exports.get("export=" /* InternalSymbolName.ExportEquals */); + if (exported === null || exported === void 0 ? void 0 : exported.declarations) { + for (var _b = 0, _c = exported.declarations; _b < _c.length; _b++) { + var decl = _c[_b]; + var sourceFile = decl.getSourceFile(); + if (sourceFilesSet.has(sourceFile.fileName)) { + // At `module.exports = ...`, reference node is `module` + var node = ts.isBinaryExpression(decl) && ts.isPropertyAccessExpression(decl.left) ? decl.left.expression : + ts.isExportAssignment(decl) ? ts.Debug.checkDefined(ts.findChildOfKind(decl, 93 /* SyntaxKind.ExportKeyword */, sourceFile)) : + ts.getNameOfDeclaration(decl) || decl; + references.push(nodeEntry(node)); + } + } + } + return references.length ? [{ definition: { type: 0 /* DefinitionKind.Symbol */, symbol: symbol }, references: references }] : ts.emptyArray; + } + /** As in a `readonly prop: any` or `constructor(readonly prop: any)`, not a `readonly any[]`. */ + function isReadonlyTypeOperator(node) { + return node.kind === 145 /* SyntaxKind.ReadonlyKeyword */ + && ts.isTypeOperatorNode(node.parent) + && node.parent.operator === 145 /* SyntaxKind.ReadonlyKeyword */; + } + /** getReferencedSymbols for special node kinds. */ + function getReferencedSymbolsSpecial(node, sourceFiles, cancellationToken) { + if (ts.isTypeKeyword(node.kind)) { + // A void expression (i.e., `void foo()`) is not special, but the `void` type is. + if (node.kind === 114 /* SyntaxKind.VoidKeyword */ && ts.isVoidExpression(node.parent)) { + return undefined; + } + // A modifier readonly (like on a property declaration) is not special; + // a readonly type keyword (like `readonly string[]`) is. + if (node.kind === 145 /* SyntaxKind.ReadonlyKeyword */ && !isReadonlyTypeOperator(node)) { + return undefined; + } + // Likewise, when we *are* looking for a special keyword, make sure we + // *don’t* include readonly member modifiers. + return getAllReferencesForKeyword(sourceFiles, node.kind, cancellationToken, node.kind === 145 /* SyntaxKind.ReadonlyKeyword */ ? isReadonlyTypeOperator : undefined); + } + if (ts.isImportMeta(node.parent) && node.parent.name === node) { + return getAllReferencesForImportMeta(sourceFiles, cancellationToken); + } + if (ts.isStaticModifier(node) && ts.isClassStaticBlockDeclaration(node.parent)) { + return [{ definition: { type: 2 /* DefinitionKind.Keyword */, node: node }, references: [nodeEntry(node)] }]; + } + // Labels + if (ts.isJumpStatementTarget(node)) { + var labelDefinition = ts.getTargetLabel(node.parent, node.text); + // if we have a label definition, look within its statement for references, if not, then + // the label is undefined and we have no results.. + return labelDefinition && getLabelReferencesInNode(labelDefinition.parent, labelDefinition); + } + else if (ts.isLabelOfLabeledStatement(node)) { + // it is a label definition and not a target, search within the parent labeledStatement + return getLabelReferencesInNode(node.parent, node); + } + if (ts.isThis(node)) { + return getReferencesForThisKeyword(node, sourceFiles, cancellationToken); + } + if (node.kind === 106 /* SyntaxKind.SuperKeyword */) { + return getReferencesForSuperKeyword(node); + } + return undefined; + } + /** Core find-all-references algorithm for a normal symbol. */ + function getReferencedSymbolsForSymbol(originalSymbol, node, sourceFiles, sourceFilesSet, checker, cancellationToken, options) { + var symbol = node && skipPastExportOrImportSpecifierOrUnion(originalSymbol, node, checker, /*useLocalSymbolForExportSpecifier*/ !isForRenameWithPrefixAndSuffixText(options)) || originalSymbol; + // Compute the meaning from the location and the symbol it references + var searchMeaning = node ? getIntersectingMeaningFromDeclarations(node, symbol) : 7 /* SemanticMeaning.All */; + var result = []; + var state = new State(sourceFiles, sourceFilesSet, node ? getSpecialSearchKind(node) : 0 /* SpecialSearchKind.None */, checker, cancellationToken, searchMeaning, options, result); + var exportSpecifier = !isForRenameWithPrefixAndSuffixText(options) || !symbol.declarations ? undefined : ts.find(symbol.declarations, ts.isExportSpecifier); + if (exportSpecifier) { + // When renaming at an export specifier, rename the export and not the thing being exported. + getReferencesAtExportSpecifier(exportSpecifier.name, symbol, exportSpecifier, state.createSearch(node, originalSymbol, /*comingFrom*/ undefined), state, /*addReferencesHere*/ true, /*alwaysGetReferences*/ true); + } + else if (node && node.kind === 88 /* SyntaxKind.DefaultKeyword */ && symbol.escapedName === "default" /* InternalSymbolName.Default */ && symbol.parent) { + addReference(node, symbol, state); + searchForImportsOfExport(node, symbol, { exportingModuleSymbol: symbol.parent, exportKind: 1 /* ExportKind.Default */ }, state); + } + else { + var search = state.createSearch(node, symbol, /*comingFrom*/ undefined, { allSearchSymbols: node ? populateSearchSymbolSet(symbol, node, checker, options.use === 2 /* FindReferencesUse.Rename */, !!options.providePrefixAndSuffixTextForRename, !!options.implementations) : [symbol] }); + getReferencesInContainerOrFiles(symbol, state, search); + } + return result; + } + function getReferencesInContainerOrFiles(symbol, state, search) { + // Try to get the smallest valid scope that we can limit our search to; + // otherwise we'll need to search globally (i.e. include each file). + var scope = getSymbolScope(symbol); + if (scope) { + getReferencesInContainer(scope, scope.getSourceFile(), search, state, /*addReferencesHere*/ !(ts.isSourceFile(scope) && !ts.contains(state.sourceFiles, scope))); + } + else { + // Global search + for (var _i = 0, _a = state.sourceFiles; _i < _a.length; _i++) { + var sourceFile = _a[_i]; + state.cancellationToken.throwIfCancellationRequested(); + searchForName(sourceFile, search, state); + } + } + } + function getSpecialSearchKind(node) { + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + case 134 /* SyntaxKind.ConstructorKeyword */: + return 1 /* SpecialSearchKind.Constructor */; + case 79 /* SyntaxKind.Identifier */: + if (ts.isClassLike(node.parent)) { + ts.Debug.assert(node.parent.name === node); + return 2 /* SpecialSearchKind.Class */; + } + // falls through + default: + return 0 /* SpecialSearchKind.None */; + } + } + /** Handle a few special cases relating to export/import specifiers. */ + function skipPastExportOrImportSpecifierOrUnion(symbol, node, checker, useLocalSymbolForExportSpecifier) { + var parent = node.parent; + if (ts.isExportSpecifier(parent) && useLocalSymbolForExportSpecifier) { + return getLocalSymbolForExportSpecifier(node, symbol, parent, checker); + } + // If the symbol is declared as part of a declaration like `{ type: "a" } | { type: "b" }`, use the property on the union type to get more references. + return ts.firstDefined(symbol.declarations, function (decl) { + if (!decl.parent) { + // Ignore UMD module and global merge + if (symbol.flags & 33554432 /* SymbolFlags.Transient */) + return undefined; + // Assertions for GH#21814. We should be handling SourceFile symbols in `getReferencedSymbolsForModule` instead of getting here. + ts.Debug.fail("Unexpected symbol at ".concat(ts.Debug.formatSyntaxKind(node.kind), ": ").concat(ts.Debug.formatSymbol(symbol))); + } + return ts.isTypeLiteralNode(decl.parent) && ts.isUnionTypeNode(decl.parent.parent) + ? checker.getPropertyOfType(checker.getTypeFromTypeNode(decl.parent.parent), symbol.name) + : undefined; + }); + } + var SpecialSearchKind; + (function (SpecialSearchKind) { + SpecialSearchKind[SpecialSearchKind["None"] = 0] = "None"; + SpecialSearchKind[SpecialSearchKind["Constructor"] = 1] = "Constructor"; + SpecialSearchKind[SpecialSearchKind["Class"] = 2] = "Class"; + })(SpecialSearchKind || (SpecialSearchKind = {})); + function getNonModuleSymbolOfMergedModuleSymbol(symbol) { + if (!(symbol.flags & (1536 /* SymbolFlags.Module */ | 33554432 /* SymbolFlags.Transient */))) + return undefined; + var decl = symbol.declarations && ts.find(symbol.declarations, function (d) { return !ts.isSourceFile(d) && !ts.isModuleDeclaration(d); }); + return decl && decl.symbol; + } + /** + * Holds all state needed for the finding references. + * Unlike `Search`, there is only one `State`. + */ + var State = /** @class */ (function () { + function State(sourceFiles, sourceFilesSet, specialSearchKind, checker, cancellationToken, searchMeaning, options, result) { + this.sourceFiles = sourceFiles; + this.sourceFilesSet = sourceFilesSet; + this.specialSearchKind = specialSearchKind; + this.checker = checker; + this.cancellationToken = cancellationToken; + this.searchMeaning = searchMeaning; + this.options = options; + this.result = result; + /** Cache for `explicitlyinheritsFrom`. */ + this.inheritsFromCache = new ts.Map(); + /** + * Type nodes can contain multiple references to the same type. For example: + * let x: Foo & (Foo & Bar) = ... + * Because we are returning the implementation locations and not the identifier locations, + * duplicate entries would be returned here as each of the type references is part of + * the same implementation. For that reason, check before we add a new entry. + */ + this.markSeenContainingTypeReference = ts.nodeSeenTracker(); + /** + * It's possible that we will encounter the right side of `export { foo as bar } from "x";` more than once. + * For example: + * // b.ts + * export { foo as bar } from "./a"; + * import { bar } from "./b"; + * + * Normally at `foo as bar` we directly add `foo` and do not locally search for it (since it doesn't declare a local). + * But another reference to it may appear in the same source file. + * See `tests/cases/fourslash/transitiveExportImports3.ts`. + */ + this.markSeenReExportRHS = ts.nodeSeenTracker(); + this.symbolIdToReferences = []; + // Source file ID → symbol ID → Whether the symbol has been searched for in the source file. + this.sourceFileToSeenSymbols = []; + } + State.prototype.includesSourceFile = function (sourceFile) { + return this.sourceFilesSet.has(sourceFile.fileName); + }; + /** Gets every place to look for references of an exported symbols. See `ImportsResult` in `importTracker.ts` for more documentation. */ + State.prototype.getImportSearches = function (exportSymbol, exportInfo) { + if (!this.importTracker) + this.importTracker = FindAllReferences.createImportTracker(this.sourceFiles, this.sourceFilesSet, this.checker, this.cancellationToken); + return this.importTracker(exportSymbol, exportInfo, this.options.use === 2 /* FindReferencesUse.Rename */); + }; + /** @param allSearchSymbols set of additional symbols for use by `includes`. */ + State.prototype.createSearch = function (location, symbol, comingFrom, searchOptions) { + if (searchOptions === void 0) { searchOptions = {}; } + // Note: if this is an external module symbol, the name doesn't include quotes. + // Note: getLocalSymbolForExportDefault handles `export default class C {}`, but not `export default C` or `export { C as default }`. + // The other two forms seem to be handled downstream (e.g. in `skipPastExportOrImportSpecifier`), so special-casing the first form + // here appears to be intentional). + var _a = searchOptions.text, text = _a === void 0 ? ts.stripQuotes(ts.symbolName(ts.getLocalSymbolForExportDefault(symbol) || getNonModuleSymbolOfMergedModuleSymbol(symbol) || symbol)) : _a, _b = searchOptions.allSearchSymbols, allSearchSymbols = _b === void 0 ? [symbol] : _b; + var escapedText = ts.escapeLeadingUnderscores(text); + var parents = this.options.implementations && location ? getParentSymbolsOfPropertyAccess(location, symbol, this.checker) : undefined; + return { symbol: symbol, comingFrom: comingFrom, text: text, escapedText: escapedText, parents: parents, allSearchSymbols: allSearchSymbols, includes: function (sym) { return ts.contains(allSearchSymbols, sym); } }; + }; + /** + * Callback to add references for a particular searched symbol. + * This initializes a reference group, so only call this if you will add at least one reference. + */ + State.prototype.referenceAdder = function (searchSymbol) { + var symbolId = ts.getSymbolId(searchSymbol); + var references = this.symbolIdToReferences[symbolId]; + if (!references) { + references = this.symbolIdToReferences[symbolId] = []; + this.result.push({ definition: { type: 0 /* DefinitionKind.Symbol */, symbol: searchSymbol }, references: references }); + } + return function (node, kind) { return references.push(nodeEntry(node, kind)); }; + }; + /** Add a reference with no associated definition. */ + State.prototype.addStringOrCommentReference = function (fileName, textSpan) { + this.result.push({ + definition: undefined, + references: [{ kind: 0 /* EntryKind.Span */, fileName: fileName, textSpan: textSpan }] + }); + }; + /** Returns `true` the first time we search for a symbol in a file and `false` afterwards. */ + State.prototype.markSearchedSymbols = function (sourceFile, symbols) { + var sourceId = ts.getNodeId(sourceFile); + var seenSymbols = this.sourceFileToSeenSymbols[sourceId] || (this.sourceFileToSeenSymbols[sourceId] = new ts.Set()); + var anyNewSymbols = false; + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var sym = symbols_1[_i]; + anyNewSymbols = ts.tryAddToSet(seenSymbols, ts.getSymbolId(sym)) || anyNewSymbols; + } + return anyNewSymbols; + }; + return State; + }()); + /** Search for all imports of a given exported symbol using `State.getImportSearches`. */ + function searchForImportsOfExport(exportLocation, exportSymbol, exportInfo, state) { + var _a = state.getImportSearches(exportSymbol, exportInfo), importSearches = _a.importSearches, singleReferences = _a.singleReferences, indirectUsers = _a.indirectUsers; + // For `import { foo as bar }` just add the reference to `foo`, and don't otherwise search in the file. + if (singleReferences.length) { + var addRef = state.referenceAdder(exportSymbol); + for (var _i = 0, singleReferences_1 = singleReferences; _i < singleReferences_1.length; _i++) { + var singleRef = singleReferences_1[_i]; + if (shouldAddSingleReference(singleRef, state)) + addRef(singleRef); + } + } + // For each import, find all references to that import in its source file. + for (var _b = 0, importSearches_1 = importSearches; _b < importSearches_1.length; _b++) { + var _c = importSearches_1[_b], importLocation = _c[0], importSymbol = _c[1]; + getReferencesInSourceFile(importLocation.getSourceFile(), state.createSearch(importLocation, importSymbol, 1 /* ImportExport.Export */), state); + } + if (indirectUsers.length) { + var indirectSearch = void 0; + switch (exportInfo.exportKind) { + case 0 /* ExportKind.Named */: + indirectSearch = state.createSearch(exportLocation, exportSymbol, 1 /* ImportExport.Export */); + break; + case 1 /* ExportKind.Default */: + // Search for a property access to '.default'. This can't be renamed. + indirectSearch = state.options.use === 2 /* FindReferencesUse.Rename */ ? undefined : state.createSearch(exportLocation, exportSymbol, 1 /* ImportExport.Export */, { text: "default" }); + break; + case 2 /* ExportKind.ExportEquals */: + break; + } + if (indirectSearch) { + for (var _d = 0, indirectUsers_1 = indirectUsers; _d < indirectUsers_1.length; _d++) { + var indirectUser = indirectUsers_1[_d]; + searchForName(indirectUser, indirectSearch, state); + } + } + } + } + function eachExportReference(sourceFiles, checker, cancellationToken, exportSymbol, exportingModuleSymbol, exportName, isDefaultExport, cb) { + var importTracker = FindAllReferences.createImportTracker(sourceFiles, new ts.Set(sourceFiles.map(function (f) { return f.fileName; })), checker, cancellationToken); + var _a = importTracker(exportSymbol, { exportKind: isDefaultExport ? 1 /* ExportKind.Default */ : 0 /* ExportKind.Named */, exportingModuleSymbol: exportingModuleSymbol }, /*isForRename*/ false), importSearches = _a.importSearches, indirectUsers = _a.indirectUsers, singleReferences = _a.singleReferences; + for (var _i = 0, importSearches_2 = importSearches; _i < importSearches_2.length; _i++) { + var importLocation = importSearches_2[_i][0]; + cb(importLocation); + } + for (var _b = 0, singleReferences_2 = singleReferences; _b < singleReferences_2.length; _b++) { + var singleReference = singleReferences_2[_b]; + if (ts.isIdentifier(singleReference) && ts.isImportTypeNode(singleReference.parent)) { + cb(singleReference); + } + } + for (var _c = 0, indirectUsers_2 = indirectUsers; _c < indirectUsers_2.length; _c++) { + var indirectUser = indirectUsers_2[_c]; + for (var _d = 0, _e = getPossibleSymbolReferenceNodes(indirectUser, isDefaultExport ? "default" : exportName); _d < _e.length; _d++) { + var node = _e[_d]; + // Import specifiers should be handled by importSearches + var symbol = checker.getSymbolAtLocation(node); + var hasExportAssignmentDeclaration = ts.some(symbol === null || symbol === void 0 ? void 0 : symbol.declarations, function (d) { return ts.tryCast(d, ts.isExportAssignment) ? true : false; }); + if (ts.isIdentifier(node) && !ts.isImportOrExportSpecifier(node.parent) && (symbol === exportSymbol || hasExportAssignmentDeclaration)) { + cb(node); + } + } + } + } + Core.eachExportReference = eachExportReference; + function shouldAddSingleReference(singleRef, state) { + if (!hasMatchingMeaning(singleRef, state)) + return false; + if (state.options.use !== 2 /* FindReferencesUse.Rename */) + return true; + // Don't rename an import type `import("./module-name")` when renaming `name` in `export = name;` + if (!ts.isIdentifier(singleRef)) + return false; + // At `default` in `import { default as x }` or `export { default as x }`, do add a reference, but do not rename. + return !(ts.isImportOrExportSpecifier(singleRef.parent) && singleRef.escapedText === "default" /* InternalSymbolName.Default */); + } + // Go to the symbol we imported from and find references for it. + function searchForImportedSymbol(symbol, state) { + if (!symbol.declarations) + return; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + var exportingFile = declaration.getSourceFile(); + // Need to search in the file even if it's not in the search-file set, because it might export the symbol. + getReferencesInSourceFile(exportingFile, state.createSearch(declaration, symbol, 0 /* ImportExport.Import */), state, state.includesSourceFile(exportingFile)); + } + } + /** Search for all occurrences of an identifier in a source file (and filter out the ones that match). */ + function searchForName(sourceFile, search, state) { + if (ts.getNameTable(sourceFile).get(search.escapedText) !== undefined) { + getReferencesInSourceFile(sourceFile, search, state); + } + } + function getPropertySymbolOfDestructuringAssignment(location, checker) { + return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent) + ? checker.getPropertySymbolOfDestructuringAssignment(location) + : undefined; + } + /** + * Determines the smallest scope in which a symbol may have named references. + * Note that not every construct has been accounted for. This function can + * probably be improved. + * + * @returns undefined if the scope cannot be determined, implying that + * a reference to a symbol can occur anywhere. + */ + function getSymbolScope(symbol) { + // If this is the symbol of a named function expression or named class expression, + // then named references are limited to its own scope. + var declarations = symbol.declarations, flags = symbol.flags, parent = symbol.parent, valueDeclaration = symbol.valueDeclaration; + if (valueDeclaration && (valueDeclaration.kind === 213 /* SyntaxKind.FunctionExpression */ || valueDeclaration.kind === 226 /* SyntaxKind.ClassExpression */)) { + return valueDeclaration; + } + if (!declarations) { + return undefined; + } + // If this is private property or method, the scope is the containing class + if (flags & (4 /* SymbolFlags.Property */ | 8192 /* SymbolFlags.Method */)) { + var privateDeclaration = ts.find(declarations, function (d) { return ts.hasEffectiveModifier(d, 8 /* ModifierFlags.Private */) || ts.isPrivateIdentifierClassElementDeclaration(d); }); + if (privateDeclaration) { + return ts.getAncestor(privateDeclaration, 257 /* SyntaxKind.ClassDeclaration */); + } + // Else this is a public property and could be accessed from anywhere. + return undefined; + } + // If symbol is of object binding pattern element without property name we would want to + // look for property too and that could be anywhere + if (declarations.some(ts.isObjectBindingElementWithoutPropertyName)) { + return undefined; + } + /* + If the symbol has a parent, it's globally visible unless: + - It's a private property (handled above). + - It's a type parameter. + - The parent is an external module: then we should only search in the module (and recurse on the export later). + - But if the parent has `export as namespace`, the symbol is globally visible through that namespace. + */ + var exposedByParent = parent && !(symbol.flags & 262144 /* SymbolFlags.TypeParameter */); + if (exposedByParent && !(ts.isExternalModuleSymbol(parent) && !parent.globalExports)) { + return undefined; + } + var scope; + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + var container = ts.getContainerNode(declaration); + if (scope && scope !== container) { + // Different declarations have different containers, bail out + return undefined; + } + if (!container || container.kind === 305 /* SyntaxKind.SourceFile */ && !ts.isExternalOrCommonJsModule(container)) { + // This is a global variable and not an external module, any declaration defined + // within this scope is visible outside the file + return undefined; + } + scope = container; + if (ts.isFunctionExpression(scope)) { + var next = void 0; + while (next = ts.getNextJSDocCommentLocation(scope)) { + scope = next; + } + } + } + // If symbol.parent, this means we are in an export of an external module. (Otherwise we would have returned `undefined` above.) + // For an export of a module, we may be in a declaration file, and it may be accessed elsewhere. E.g.: + // declare module "a" { export type T = number; } + // declare module "b" { import { T } from "a"; export const x: T; } + // So we must search the whole source file. (Because we will mark the source file as seen, we we won't return to it when searching for imports.) + return exposedByParent ? scope.getSourceFile() : scope; // TODO: GH#18217 + } + /** Used as a quick check for whether a symbol is used at all in a file (besides its definition). */ + function isSymbolReferencedInFile(definition, checker, sourceFile, searchContainer) { + if (searchContainer === void 0) { searchContainer = sourceFile; } + return eachSymbolReferenceInFile(definition, checker, sourceFile, function () { return true; }, searchContainer) || false; + } + Core.isSymbolReferencedInFile = isSymbolReferencedInFile; + function eachSymbolReferenceInFile(definition, checker, sourceFile, cb, searchContainer) { + if (searchContainer === void 0) { searchContainer = sourceFile; } + var symbol = ts.isParameterPropertyDeclaration(definition.parent, definition.parent.parent) + ? ts.first(checker.getSymbolsOfParameterPropertyDeclaration(definition.parent, definition.text)) + : checker.getSymbolAtLocation(definition); + if (!symbol) + return undefined; + for (var _i = 0, _a = getPossibleSymbolReferenceNodes(sourceFile, symbol.name, searchContainer); _i < _a.length; _i++) { + var token = _a[_i]; + if (!ts.isIdentifier(token) || token === definition || token.escapedText !== definition.escapedText) + continue; + var referenceSymbol = checker.getSymbolAtLocation(token); + if (referenceSymbol === symbol + || checker.getShorthandAssignmentValueSymbol(token.parent) === symbol + || ts.isExportSpecifier(token.parent) && getLocalSymbolForExportSpecifier(token, referenceSymbol, token.parent, checker) === symbol) { + var res = cb(token); + if (res) + return res; + } + } + } + Core.eachSymbolReferenceInFile = eachSymbolReferenceInFile; + function getTopMostDeclarationNamesInFile(declarationName, sourceFile) { + var candidates = ts.filter(getPossibleSymbolReferenceNodes(sourceFile, declarationName), function (name) { return !!ts.getDeclarationFromName(name); }); + return candidates.reduce(function (topMost, decl) { + var depth = getDepth(decl); + if (!ts.some(topMost.declarationNames) || depth === topMost.depth) { + topMost.declarationNames.push(decl); + topMost.depth = depth; + } + else if (depth < topMost.depth) { + topMost.declarationNames = [decl]; + topMost.depth = depth; + } + return topMost; + }, { depth: Infinity, declarationNames: [] }).declarationNames; + function getDepth(declaration) { + var depth = 0; + while (declaration) { + declaration = ts.getContainerNode(declaration); + depth++; + } + return depth; + } + } + Core.getTopMostDeclarationNamesInFile = getTopMostDeclarationNamesInFile; + function someSignatureUsage(signature, sourceFiles, checker, cb) { + if (!signature.name || !ts.isIdentifier(signature.name)) + return false; + var symbol = ts.Debug.checkDefined(checker.getSymbolAtLocation(signature.name)); + for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { + var sourceFile = sourceFiles_3[_i]; + for (var _a = 0, _b = getPossibleSymbolReferenceNodes(sourceFile, symbol.name); _a < _b.length; _a++) { + var name = _b[_a]; + if (!ts.isIdentifier(name) || name === signature.name || name.escapedText !== signature.name.escapedText) + continue; + var called = ts.climbPastPropertyAccess(name); + var call = ts.isCallExpression(called.parent) && called.parent.expression === called ? called.parent : undefined; + var referenceSymbol = checker.getSymbolAtLocation(name); + if (referenceSymbol && checker.getRootSymbols(referenceSymbol).some(function (s) { return s === symbol; })) { + if (cb(name, call)) { + return true; + } + } + } + } + return false; + } + Core.someSignatureUsage = someSignatureUsage; + function getPossibleSymbolReferenceNodes(sourceFile, symbolName, container) { + if (container === void 0) { container = sourceFile; } + return getPossibleSymbolReferencePositions(sourceFile, symbolName, container).map(function (pos) { return ts.getTouchingPropertyName(sourceFile, pos); }); + } + function getPossibleSymbolReferencePositions(sourceFile, symbolName, container) { + if (container === void 0) { container = sourceFile; } + var positions = []; + /// TODO: Cache symbol existence for files to save text search + // Also, need to make this work for unicode escapes. + // Be resilient in the face of a symbol with no name or zero length name + if (!symbolName || !symbolName.length) { + return positions; + } + var text = sourceFile.text; + var sourceLength = text.length; + var symbolNameLength = symbolName.length; + var position = text.indexOf(symbolName, container.pos); + while (position >= 0) { + // If we are past the end, stop looking + if (position > container.end) + break; + // We found a match. Make sure it's not part of a larger word (i.e. the char + // before and after it have to be a non-identifier char). + var endPosition = position + symbolNameLength; + if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 99 /* ScriptTarget.Latest */)) && + (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 99 /* ScriptTarget.Latest */))) { + // Found a real match. Keep searching. + positions.push(position); + } + position = text.indexOf(symbolName, position + symbolNameLength + 1); + } + return positions; + } + function getLabelReferencesInNode(container, targetLabel) { + var sourceFile = container.getSourceFile(); + var labelName = targetLabel.text; + var references = ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, labelName, container), function (node) { + // Only pick labels that are either the target label, or have a target that is the target label + return node === targetLabel || (ts.isJumpStatementTarget(node) && ts.getTargetLabel(node, labelName) === targetLabel) ? nodeEntry(node) : undefined; + }); + return [{ definition: { type: 1 /* DefinitionKind.Label */, node: targetLabel }, references: references }]; + } + function isValidReferencePosition(node, searchSymbolName) { + // Compare the length so we filter out strict superstrings of the symbol we are looking for + switch (node.kind) { + case 80 /* SyntaxKind.PrivateIdentifier */: + if (ts.isJSDocMemberName(node.parent)) { + return true; + } + // falls through I guess + case 79 /* SyntaxKind.Identifier */: + return node.text.length === searchSymbolName.length; + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 10 /* SyntaxKind.StringLiteral */: { + var str = node; + return (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(str) || ts.isNameOfModuleDeclaration(node) || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node) || (ts.isCallExpression(node.parent) && ts.isBindableObjectDefinePropertyCall(node.parent) && node.parent.arguments[1] === node)) && + str.text.length === searchSymbolName.length; + } + case 8 /* SyntaxKind.NumericLiteral */: + return ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && node.text.length === searchSymbolName.length; + case 88 /* SyntaxKind.DefaultKeyword */: + return "default".length === searchSymbolName.length; + default: + return false; + } + } + function getAllReferencesForImportMeta(sourceFiles, cancellationToken) { + var references = ts.flatMap(sourceFiles, function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + return ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, "meta", sourceFile), function (node) { + var parent = node.parent; + if (ts.isImportMeta(parent)) { + return nodeEntry(parent); + } + }); + }); + return references.length ? [{ definition: { type: 2 /* DefinitionKind.Keyword */, node: references[0].node }, references: references }] : undefined; + } + function getAllReferencesForKeyword(sourceFiles, keywordKind, cancellationToken, filter) { + var references = ts.flatMap(sourceFiles, function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + return ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, ts.tokenToString(keywordKind), sourceFile), function (referenceLocation) { + if (referenceLocation.kind === keywordKind && (!filter || filter(referenceLocation))) { + return nodeEntry(referenceLocation); + } + }); + }); + return references.length ? [{ definition: { type: 2 /* DefinitionKind.Keyword */, node: references[0].node }, references: references }] : undefined; + } + function getReferencesInSourceFile(sourceFile, search, state, addReferencesHere) { + if (addReferencesHere === void 0) { addReferencesHere = true; } + state.cancellationToken.throwIfCancellationRequested(); + return getReferencesInContainer(sourceFile, sourceFile, search, state, addReferencesHere); + } + /** + * Search within node "container" for references for a search value, where the search value is defined as a + * tuple of(searchSymbol, searchText, searchLocation, and searchMeaning). + * searchLocation: a node where the search value + */ + function getReferencesInContainer(container, sourceFile, search, state, addReferencesHere) { + if (!state.markSearchedSymbols(sourceFile, search.allSearchSymbols)) { + return; + } + for (var _i = 0, _a = getPossibleSymbolReferencePositions(sourceFile, search.text, container); _i < _a.length; _i++) { + var position = _a[_i]; + getReferencesAtLocation(sourceFile, position, search, state, addReferencesHere); + } + } + function hasMatchingMeaning(referenceLocation, state) { + return !!(ts.getMeaningFromLocation(referenceLocation) & state.searchMeaning); + } + function getReferencesAtLocation(sourceFile, position, search, state, addReferencesHere) { + var referenceLocation = ts.getTouchingPropertyName(sourceFile, position); + if (!isValidReferencePosition(referenceLocation, search.text)) { + // This wasn't the start of a token. Check to see if it might be a + // match in a comment or string if that's what the caller is asking + // for. + if (!state.options.implementations && (state.options.findInStrings && ts.isInString(sourceFile, position) || state.options.findInComments && ts.isInNonReferenceComment(sourceFile, position))) { + // In the case where we're looking inside comments/strings, we don't have + // an actual definition. So just use 'undefined' here. Features like + // 'Rename' won't care (as they ignore the definitions), and features like + // 'FindReferences' will just filter out these results. + state.addStringOrCommentReference(sourceFile.fileName, ts.createTextSpan(position, search.text.length)); + } + return; + } + if (!hasMatchingMeaning(referenceLocation, state)) + return; + var referenceSymbol = state.checker.getSymbolAtLocation(referenceLocation); + if (!referenceSymbol) { + return; + } + var parent = referenceLocation.parent; + if (ts.isImportSpecifier(parent) && parent.propertyName === referenceLocation) { + // This is added through `singleReferences` in ImportsResult. If we happen to see it again, don't add it again. + return; + } + if (ts.isExportSpecifier(parent)) { + ts.Debug.assert(referenceLocation.kind === 79 /* SyntaxKind.Identifier */); + getReferencesAtExportSpecifier(referenceLocation, referenceSymbol, parent, search, state, addReferencesHere); + return; + } + var relatedSymbol = getRelatedSymbol(search, referenceSymbol, referenceLocation, state); + if (!relatedSymbol) { + getReferenceForShorthandProperty(referenceSymbol, search, state); + return; + } + switch (state.specialSearchKind) { + case 0 /* SpecialSearchKind.None */: + if (addReferencesHere) + addReference(referenceLocation, relatedSymbol, state); + break; + case 1 /* SpecialSearchKind.Constructor */: + addConstructorReferences(referenceLocation, sourceFile, search, state); + break; + case 2 /* SpecialSearchKind.Class */: + addClassStaticThisReferences(referenceLocation, search, state); + break; + default: + ts.Debug.assertNever(state.specialSearchKind); + } + // Use the parent symbol if the location is commonjs require syntax on javascript files only. + if (ts.isInJSFile(referenceLocation) + && referenceLocation.parent.kind === 203 /* SyntaxKind.BindingElement */ + && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(referenceLocation.parent.parent.parent)) { + referenceSymbol = referenceLocation.parent.symbol; + // The parent will not have a symbol if it's an ObjectBindingPattern (when destructuring is used). In + // this case, just skip it, since the bound identifiers are not an alias of the import. + if (!referenceSymbol) + return; + } + getImportOrExportReferences(referenceLocation, referenceSymbol, search, state); + } + function getReferencesAtExportSpecifier(referenceLocation, referenceSymbol, exportSpecifier, search, state, addReferencesHere, alwaysGetReferences) { + ts.Debug.assert(!alwaysGetReferences || !!state.options.providePrefixAndSuffixTextForRename, "If alwaysGetReferences is true, then prefix/suffix text must be enabled"); + var parent = exportSpecifier.parent, propertyName = exportSpecifier.propertyName, name = exportSpecifier.name; + var exportDeclaration = parent.parent; + var localSymbol = getLocalSymbolForExportSpecifier(referenceLocation, referenceSymbol, exportSpecifier, state.checker); + if (!alwaysGetReferences && !search.includes(localSymbol)) { + return; + } + if (!propertyName) { + // Don't rename at `export { default } from "m";`. (but do continue to search for imports of the re-export) + if (!(state.options.use === 2 /* FindReferencesUse.Rename */ && (name.escapedText === "default" /* InternalSymbolName.Default */))) { + addRef(); + } + } + else if (referenceLocation === propertyName) { + // For `export { foo as bar } from "baz"`, "`foo`" will be added from the singleReferences for import searches of the original export. + // For `export { foo as bar };`, where `foo` is a local, so add it now. + if (!exportDeclaration.moduleSpecifier) { + addRef(); + } + if (addReferencesHere && state.options.use !== 2 /* FindReferencesUse.Rename */ && state.markSeenReExportRHS(name)) { + addReference(name, ts.Debug.checkDefined(exportSpecifier.symbol), state); + } + } + else { + if (state.markSeenReExportRHS(referenceLocation)) { + addRef(); + } + } + // For `export { foo as bar }`, rename `foo`, but not `bar`. + if (!isForRenameWithPrefixAndSuffixText(state.options) || alwaysGetReferences) { + var isDefaultExport = referenceLocation.originalKeywordKind === 88 /* SyntaxKind.DefaultKeyword */ + || exportSpecifier.name.originalKeywordKind === 88 /* SyntaxKind.DefaultKeyword */; + var exportKind = isDefaultExport ? 1 /* ExportKind.Default */ : 0 /* ExportKind.Named */; + var exportSymbol = ts.Debug.checkDefined(exportSpecifier.symbol); + var exportInfo = FindAllReferences.getExportInfo(exportSymbol, exportKind, state.checker); + if (exportInfo) { + searchForImportsOfExport(referenceLocation, exportSymbol, exportInfo, state); + } + } + // At `export { x } from "foo"`, also search for the imported symbol `"foo".x`. + if (search.comingFrom !== 1 /* ImportExport.Export */ && exportDeclaration.moduleSpecifier && !propertyName && !isForRenameWithPrefixAndSuffixText(state.options)) { + var imported = state.checker.getExportSpecifierLocalTargetSymbol(exportSpecifier); + if (imported) + searchForImportedSymbol(imported, state); + } + function addRef() { + if (addReferencesHere) + addReference(referenceLocation, localSymbol, state); + } + } + function getLocalSymbolForExportSpecifier(referenceLocation, referenceSymbol, exportSpecifier, checker) { + return isExportSpecifierAlias(referenceLocation, exportSpecifier) && checker.getExportSpecifierLocalTargetSymbol(exportSpecifier) || referenceSymbol; + } + function isExportSpecifierAlias(referenceLocation, exportSpecifier) { + var parent = exportSpecifier.parent, propertyName = exportSpecifier.propertyName, name = exportSpecifier.name; + ts.Debug.assert(propertyName === referenceLocation || name === referenceLocation); + if (propertyName) { + // Given `export { foo as bar } [from "someModule"]`: It's an alias at `foo`, but at `bar` it's a new symbol. + return propertyName === referenceLocation; + } + else { + // `export { foo } from "foo"` is a re-export. + // `export { foo };` is not a re-export, it creates an alias for the local variable `foo`. + return !parent.parent.moduleSpecifier; + } + } + function getImportOrExportReferences(referenceLocation, referenceSymbol, search, state) { + var importOrExport = FindAllReferences.getImportOrExportSymbol(referenceLocation, referenceSymbol, state.checker, search.comingFrom === 1 /* ImportExport.Export */); + if (!importOrExport) + return; + var symbol = importOrExport.symbol; + if (importOrExport.kind === 0 /* ImportExport.Import */) { + if (!(isForRenameWithPrefixAndSuffixText(state.options))) { + searchForImportedSymbol(symbol, state); + } + } + else { + searchForImportsOfExport(referenceLocation, symbol, importOrExport.exportInfo, state); + } + } + function getReferenceForShorthandProperty(_a, search, state) { + var flags = _a.flags, valueDeclaration = _a.valueDeclaration; + var shorthandValueSymbol = state.checker.getShorthandAssignmentValueSymbol(valueDeclaration); + var name = valueDeclaration && ts.getNameOfDeclaration(valueDeclaration); + /* + * Because in short-hand property assignment, an identifier which stored as name of the short-hand property assignment + * has two meanings: property name and property value. Therefore when we do findAllReference at the position where + * an identifier is declared, the language service should return the position of the variable declaration as well as + * the position in short-hand property assignment excluding property accessing. However, if we do findAllReference at the + * position of property accessing, the referenceEntry of such position will be handled in the first case. + */ + if (!(flags & 33554432 /* SymbolFlags.Transient */) && name && search.includes(shorthandValueSymbol)) { + addReference(name, shorthandValueSymbol, state); + } + } + function addReference(referenceLocation, relatedSymbol, state) { + var _a = "kind" in relatedSymbol ? relatedSymbol : { kind: undefined, symbol: relatedSymbol }, kind = _a.kind, symbol = _a.symbol; // eslint-disable-line no-in-operator + // if rename symbol from default export anonymous function, for example `export default function() {}`, we do not need to add reference + if (state.options.use === 2 /* FindReferencesUse.Rename */ && referenceLocation.kind === 88 /* SyntaxKind.DefaultKeyword */) { + return; + } + var addRef = state.referenceAdder(symbol); + if (state.options.implementations) { + addImplementationReferences(referenceLocation, addRef, state); + } + else { + addRef(referenceLocation, kind); + } + } + /** Adds references when a constructor is used with `new this()` in its own class and `super()` calls in subclasses. */ + function addConstructorReferences(referenceLocation, sourceFile, search, state) { + if (ts.isNewExpressionTarget(referenceLocation)) { + addReference(referenceLocation, search.symbol, state); + } + var pusher = function () { return state.referenceAdder(search.symbol); }; + if (ts.isClassLike(referenceLocation.parent)) { + ts.Debug.assert(referenceLocation.kind === 88 /* SyntaxKind.DefaultKeyword */ || referenceLocation.parent.name === referenceLocation); + // This is the class declaration containing the constructor. + findOwnConstructorReferences(search.symbol, sourceFile, pusher()); + } + else { + // If this class appears in `extends C`, then the extending class' "super" calls are references. + var classExtending = tryGetClassByExtendingIdentifier(referenceLocation); + if (classExtending) { + findSuperConstructorAccesses(classExtending, pusher()); + findInheritedConstructorReferences(classExtending, state); + } + } + } + function addClassStaticThisReferences(referenceLocation, search, state) { + addReference(referenceLocation, search.symbol, state); + var classLike = referenceLocation.parent; + if (state.options.use === 2 /* FindReferencesUse.Rename */ || !ts.isClassLike(classLike)) + return; + ts.Debug.assert(classLike.name === referenceLocation); + var addRef = state.referenceAdder(search.symbol); + for (var _i = 0, _a = classLike.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!(ts.isMethodOrAccessor(member) && ts.isStatic(member))) { + continue; + } + if (member.body) { + member.body.forEachChild(function cb(node) { + if (node.kind === 108 /* SyntaxKind.ThisKeyword */) { + addRef(node); + } + else if (!ts.isFunctionLike(node) && !ts.isClassLike(node)) { + node.forEachChild(cb); + } + }); + } + } + } + /** + * `classSymbol` is the class where the constructor was defined. + * Reference the constructor and all calls to `new this()`. + */ + function findOwnConstructorReferences(classSymbol, sourceFile, addNode) { + var constructorSymbol = getClassConstructorSymbol(classSymbol); + if (constructorSymbol && constructorSymbol.declarations) { + for (var _i = 0, _a = constructorSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var ctrKeyword = ts.findChildOfKind(decl, 134 /* SyntaxKind.ConstructorKeyword */, sourceFile); + ts.Debug.assert(decl.kind === 171 /* SyntaxKind.Constructor */ && !!ctrKeyword); + addNode(ctrKeyword); + } + } + if (classSymbol.exports) { + classSymbol.exports.forEach(function (member) { + var decl = member.valueDeclaration; + if (decl && decl.kind === 169 /* SyntaxKind.MethodDeclaration */) { + var body = decl.body; + if (body) { + forEachDescendantOfKind(body, 108 /* SyntaxKind.ThisKeyword */, function (thisKeyword) { + if (ts.isNewExpressionTarget(thisKeyword)) { + addNode(thisKeyword); + } + }); + } + } + }); + } + } + function getClassConstructorSymbol(classSymbol) { + return classSymbol.members && classSymbol.members.get("__constructor" /* InternalSymbolName.Constructor */); + } + /** Find references to `super` in the constructor of an extending class. */ + function findSuperConstructorAccesses(classDeclaration, addNode) { + var constructor = getClassConstructorSymbol(classDeclaration.symbol); + if (!(constructor && constructor.declarations)) { + return; + } + for (var _i = 0, _a = constructor.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + ts.Debug.assert(decl.kind === 171 /* SyntaxKind.Constructor */); + var body = decl.body; + if (body) { + forEachDescendantOfKind(body, 106 /* SyntaxKind.SuperKeyword */, function (node) { + if (ts.isCallExpressionTarget(node)) { + addNode(node); + } + }); + } + } + } + function hasOwnConstructor(classDeclaration) { + return !!getClassConstructorSymbol(classDeclaration.symbol); + } + function findInheritedConstructorReferences(classDeclaration, state) { + if (hasOwnConstructor(classDeclaration)) + return; + var classSymbol = classDeclaration.symbol; + var search = state.createSearch(/*location*/ undefined, classSymbol, /*comingFrom*/ undefined); + getReferencesInContainerOrFiles(classSymbol, state, search); + } + function addImplementationReferences(refNode, addReference, state) { + // Check if we found a function/propertyAssignment/method with an implementation or initializer + if (ts.isDeclarationName(refNode) && isImplementation(refNode.parent)) { + addReference(refNode); + return; + } + if (refNode.kind !== 79 /* SyntaxKind.Identifier */) { + return; + } + if (refNode.parent.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + // Go ahead and dereference the shorthand assignment by going to its definition + getReferenceEntriesForShorthandPropertyAssignment(refNode, state.checker, addReference); + } + // Check if the node is within an extends or implements clause + var containingClass = getContainingClassIfInHeritageClause(refNode); + if (containingClass) { + addReference(containingClass); + return; + } + // If we got a type reference, try and see if the reference applies to any expressions that can implement an interface + // Find the first node whose parent isn't a type node -- i.e., the highest type node. + var typeNode = ts.findAncestor(refNode, function (a) { return !ts.isQualifiedName(a.parent) && !ts.isTypeNode(a.parent) && !ts.isTypeElement(a.parent); }); + var typeHavingNode = typeNode.parent; + if (ts.hasType(typeHavingNode) && typeHavingNode.type === typeNode && state.markSeenContainingTypeReference(typeHavingNode)) { + if (ts.hasInitializer(typeHavingNode)) { + addIfImplementation(typeHavingNode.initializer); + } + else if (ts.isFunctionLike(typeHavingNode) && typeHavingNode.body) { + var body = typeHavingNode.body; + if (body.kind === 235 /* SyntaxKind.Block */) { + ts.forEachReturnStatement(body, function (returnStatement) { + if (returnStatement.expression) + addIfImplementation(returnStatement.expression); + }); + } + else { + addIfImplementation(body); + } + } + else if (ts.isAssertionExpression(typeHavingNode)) { + addIfImplementation(typeHavingNode.expression); + } + } + function addIfImplementation(e) { + if (isImplementationExpression(e)) + addReference(e); + } + } + function getContainingClassIfInHeritageClause(node) { + return ts.isIdentifier(node) || ts.isPropertyAccessExpression(node) ? getContainingClassIfInHeritageClause(node.parent) + : ts.isExpressionWithTypeArguments(node) ? ts.tryCast(node.parent.parent, ts.isClassLike) : undefined; + } + /** + * Returns true if this is an expression that can be considered an implementation + */ + function isImplementationExpression(node) { + switch (node.kind) { + case 212 /* SyntaxKind.ParenthesizedExpression */: + return isImplementationExpression(node.expression); + case 214 /* SyntaxKind.ArrowFunction */: + case 213 /* SyntaxKind.FunctionExpression */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 226 /* SyntaxKind.ClassExpression */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return true; + default: + return false; + } + } + /** + * Determines if the parent symbol occurs somewhere in the child's ancestry. If the parent symbol + * is an interface, determines if some ancestor of the child symbol extends or inherits from it. + * Also takes in a cache of previous results which makes this slightly more efficient and is + * necessary to avoid potential loops like so: + * class A extends B { } + * class B extends A { } + * + * We traverse the AST rather than using the type checker because users are typically only interested + * in explicit implementations of an interface/class when calling "Go to Implementation". Sibling + * implementations of types that share a common ancestor with the type whose implementation we are + * searching for need to be filtered out of the results. The type checker doesn't let us make the + * distinction between structurally compatible implementations and explicit implementations, so we + * must use the AST. + * + * @param symbol A class or interface Symbol + * @param parent Another class or interface Symbol + * @param cachedResults A map of symbol id pairs (i.e. "child,parent") to booleans indicating previous results + */ + function explicitlyInheritsFrom(symbol, parent, cachedResults, checker) { + if (symbol === parent) { + return true; + } + var key = ts.getSymbolId(symbol) + "," + ts.getSymbolId(parent); + var cached = cachedResults.get(key); + if (cached !== undefined) { + return cached; + } + // Set the key so that we don't infinitely recurse + cachedResults.set(key, false); + var inherits = !!symbol.declarations && symbol.declarations.some(function (declaration) { + return ts.getAllSuperTypeNodes(declaration).some(function (typeReference) { + var type = checker.getTypeAtLocation(typeReference); + return !!type && !!type.symbol && explicitlyInheritsFrom(type.symbol, parent, cachedResults, checker); + }); + }); + cachedResults.set(key, inherits); + return inherits; + } + function getReferencesForSuperKeyword(superKeyword) { + var searchSpaceNode = ts.getSuperContainer(superKeyword, /*stopOnFunctions*/ false); + if (!searchSpaceNode) { + return undefined; + } + // Whether 'super' occurs in a static context within a class. + var staticFlag = 32 /* ModifierFlags.Static */; + switch (searchSpaceNode.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + staticFlag &= ts.getSyntacticModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class + break; + default: + return undefined; + } + var sourceFile = searchSpaceNode.getSourceFile(); + var references = ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, "super", searchSpaceNode), function (node) { + if (node.kind !== 106 /* SyntaxKind.SuperKeyword */) { + return; + } + var container = ts.getSuperContainer(node, /*stopOnFunctions*/ false); + // If we have a 'super' container, we must have an enclosing class. + // Now make sure the owning class is the same as the search-space + // and has the same static qualifier as the original 'super's owner. + return container && ts.isStatic(container) === !!staticFlag && container.parent.symbol === searchSpaceNode.symbol ? nodeEntry(node) : undefined; + }); + return [{ definition: { type: 0 /* DefinitionKind.Symbol */, symbol: searchSpaceNode.symbol }, references: references }]; + } + function isParameterName(node) { + return node.kind === 79 /* SyntaxKind.Identifier */ && node.parent.kind === 164 /* SyntaxKind.Parameter */ && node.parent.name === node; + } + function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles, cancellationToken) { + var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, /* includeArrowFunctions */ false); + // Whether 'this' occurs in a static context within a class. + var staticFlag = 32 /* ModifierFlags.Static */; + switch (searchSpaceNode.kind) { + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + if (ts.isObjectLiteralMethod(searchSpaceNode)) { + staticFlag &= ts.getSyntacticModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning object literals + break; + } + // falls through + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + staticFlag &= ts.getSyntacticModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class + break; + case 305 /* SyntaxKind.SourceFile */: + if (ts.isExternalModule(searchSpaceNode) || isParameterName(thisOrSuperKeyword)) { + return undefined; + } + // falls through + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + break; + // Computed properties in classes are not handled here because references to this are illegal, + // so there is no point finding references to them. + default: + return undefined; + } + var references = ts.flatMap(searchSpaceNode.kind === 305 /* SyntaxKind.SourceFile */ ? sourceFiles : [searchSpaceNode.getSourceFile()], function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + return getPossibleSymbolReferenceNodes(sourceFile, "this", ts.isSourceFile(searchSpaceNode) ? sourceFile : searchSpaceNode).filter(function (node) { + if (!ts.isThis(node)) { + return false; + } + var container = ts.getThisContainer(node, /* includeArrowFunctions */ false); + switch (searchSpaceNode.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + return searchSpaceNode.symbol === container.symbol; + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + return ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol; + case 226 /* SyntaxKind.ClassExpression */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + // Make sure the container belongs to the same class/object literals + // and has the appropriate static modifier from the original container. + return container.parent && searchSpaceNode.symbol === container.parent.symbol && ts.isStatic(container) === !!staticFlag; + case 305 /* SyntaxKind.SourceFile */: + return container.kind === 305 /* SyntaxKind.SourceFile */ && !ts.isExternalModule(container) && !isParameterName(node); + } + }); + }).map(function (n) { return nodeEntry(n); }); + var thisParameter = ts.firstDefined(references, function (r) { return ts.isParameter(r.node.parent) ? r.node : undefined; }); + return [{ + definition: { type: 3 /* DefinitionKind.This */, node: thisParameter || thisOrSuperKeyword }, + references: references + }]; + } + function getReferencesForStringLiteral(node, sourceFiles, checker, cancellationToken) { + var type = ts.getContextualTypeFromParentOrAncestorTypeNode(node, checker); + var references = ts.flatMap(sourceFiles, function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + return ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, node.text), function (ref) { + if (ts.isStringLiteralLike(ref) && ref.text === node.text) { + if (type) { + var refType = ts.getContextualTypeFromParentOrAncestorTypeNode(ref, checker); + if (type !== checker.getStringType() && type === refType) { + return nodeEntry(ref, 2 /* EntryKind.StringLiteral */); + } + } + else { + return ts.isNoSubstitutionTemplateLiteral(ref) && !ts.rangeIsOnSingleLine(ref, sourceFile) ? undefined : + nodeEntry(ref, 2 /* EntryKind.StringLiteral */); + } + } + }); + }); + return [{ + definition: { type: 4 /* DefinitionKind.String */, node: node }, + references: references + }]; + } + // For certain symbol kinds, we need to include other symbols in the search set. + // This is not needed when searching for re-exports. + function populateSearchSymbolSet(symbol, location, checker, isForRename, providePrefixAndSuffixText, implementations) { + var result = []; + forEachRelatedSymbol(symbol, location, checker, isForRename, !(isForRename && providePrefixAndSuffixText), function (sym, root, base) { + // static method/property and instance method/property might have the same name. Only include static or only include instance. + if (base) { + if (isStaticSymbol(symbol) !== isStaticSymbol(base)) { + base = undefined; + } + } + result.push(base || root || sym); + }, + // when try to find implementation, implementations is true, and not allowed to find base class + /*allowBaseTypes*/ function () { return !implementations; }); + return result; + } + /** + * @param allowBaseTypes return true means it would try to find in base class or interface. + */ + function forEachRelatedSymbol(symbol, location, checker, isForRenamePopulateSearchSymbolSet, onlyIncludeBindingElementAtReferenceLocation, + /** + * @param baseSymbol This symbol means one property/mehtod from base class or interface when it is not null or undefined, + */ + cbSymbol, allowBaseTypes) { + var containingObjectLiteralElement = ts.getContainingObjectLiteralElement(location); + if (containingObjectLiteralElement) { + /* Because in short-hand property assignment, location has two meaning : property name and as value of the property + * When we do findAllReference at the position of the short-hand property assignment, we would want to have references to position of + * property name and variable declaration of the identifier. + * Like in below example, when querying for all references for an identifier 'name', of the property assignment, the language service + * should show both 'name' in 'obj' and 'name' in variable declaration + * const name = "Foo"; + * const obj = { name }; + * In order to do that, we will populate the search set with the value symbol of the identifier as a value of the property assignment + * so that when matching with potential reference symbol, both symbols from property declaration and variable declaration + * will be included correctly. + */ + var shorthandValueSymbol = checker.getShorthandAssignmentValueSymbol(location.parent); // gets the local symbol + if (shorthandValueSymbol && isForRenamePopulateSearchSymbolSet) { + // When renaming 'x' in `const o = { x }`, just rename the local variable, not the property. + return cbSymbol(shorthandValueSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 3 /* EntryKind.SearchedLocalFoundProperty */); + } + // If the location is in a context sensitive location (i.e. in an object literal) try + // to get a contextual type for it, and add the property symbol from the contextual + // type to the search set + var contextualType = checker.getContextualType(containingObjectLiteralElement.parent); + var res_1 = contextualType && ts.firstDefined(ts.getPropertySymbolsFromContextualType(containingObjectLiteralElement, checker, contextualType, /*unionSymbolOk*/ true), function (sym) { return fromRoot(sym, 4 /* EntryKind.SearchedPropertyFoundLocal */); }); + if (res_1) + return res_1; + // If the location is name of property symbol from object literal destructuring pattern + // Search the property symbol + // for ( { property: p2 } of elems) { } + var propertySymbol = getPropertySymbolOfDestructuringAssignment(location, checker); + var res1 = propertySymbol && cbSymbol(propertySymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 4 /* EntryKind.SearchedPropertyFoundLocal */); + if (res1) + return res1; + var res2 = shorthandValueSymbol && cbSymbol(shorthandValueSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 3 /* EntryKind.SearchedLocalFoundProperty */); + if (res2) + return res2; + } + var aliasedSymbol = getMergedAliasedSymbolOfNamespaceExportDeclaration(location, symbol, checker); + if (aliasedSymbol) { + // In case of UMD module and global merging, search for global as well + var res_2 = cbSymbol(aliasedSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 1 /* EntryKind.Node */); + if (res_2) + return res_2; + } + var res = fromRoot(symbol); + if (res) + return res; + if (symbol.valueDeclaration && ts.isParameterPropertyDeclaration(symbol.valueDeclaration, symbol.valueDeclaration.parent)) { + // For a parameter property, now try on the other symbol (property if this was a parameter, parameter if this was a property). + var paramProps = checker.getSymbolsOfParameterPropertyDeclaration(ts.cast(symbol.valueDeclaration, ts.isParameter), symbol.name); + ts.Debug.assert(paramProps.length === 2 && !!(paramProps[0].flags & 1 /* SymbolFlags.FunctionScopedVariable */) && !!(paramProps[1].flags & 4 /* SymbolFlags.Property */)); // is [parameter, property] + return fromRoot(symbol.flags & 1 /* SymbolFlags.FunctionScopedVariable */ ? paramProps[1] : paramProps[0]); + } + var exportSpecifier = ts.getDeclarationOfKind(symbol, 275 /* SyntaxKind.ExportSpecifier */); + if (!isForRenamePopulateSearchSymbolSet || exportSpecifier && !exportSpecifier.propertyName) { + var localSymbol = exportSpecifier && checker.getExportSpecifierLocalTargetSymbol(exportSpecifier); + if (localSymbol) { + var res_3 = cbSymbol(localSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 1 /* EntryKind.Node */); + if (res_3) + return res_3; + } + } + // symbolAtLocation for a binding element is the local symbol. See if the search symbol is the property. + // Don't do this when populating search set for a rename when prefix and suffix text will be provided -- just rename the local. + if (!isForRenamePopulateSearchSymbolSet) { + var bindingElementPropertySymbol = void 0; + if (onlyIncludeBindingElementAtReferenceLocation) { + bindingElementPropertySymbol = ts.isObjectBindingElementWithoutPropertyName(location.parent) ? ts.getPropertySymbolFromBindingElement(checker, location.parent) : undefined; + } + else { + bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker); + } + return bindingElementPropertySymbol && fromRoot(bindingElementPropertySymbol, 4 /* EntryKind.SearchedPropertyFoundLocal */); + } + ts.Debug.assert(isForRenamePopulateSearchSymbolSet); + // due to the above assert and the arguments at the uses of this function, + // (onlyIncludeBindingElementAtReferenceLocation <=> !providePrefixAndSuffixTextForRename) holds + var includeOriginalSymbolOfBindingElement = onlyIncludeBindingElementAtReferenceLocation; + if (includeOriginalSymbolOfBindingElement) { + var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker); + return bindingElementPropertySymbol && fromRoot(bindingElementPropertySymbol, 4 /* EntryKind.SearchedPropertyFoundLocal */); + } + function fromRoot(sym, kind) { + // If this is a union property: + // - In populateSearchSymbolsSet we will add all the symbols from all its source symbols in all unioned types. + // - In findRelatedSymbol, we will just use the union symbol if any source symbol is included in the search. + // If the symbol is an instantiation from a another symbol (e.g. widened symbol): + // - In populateSearchSymbolsSet, add the root the list + // - In findRelatedSymbol, return the source symbol if that is in the search. (Do not return the instantiation symbol.) + return ts.firstDefined(checker.getRootSymbols(sym), function (rootSymbol) { + return cbSymbol(sym, rootSymbol, /*baseSymbol*/ undefined, kind) + // Add symbol of properties/methods of the same name in base classes and implemented interfaces definitions + || (rootSymbol.parent && rootSymbol.parent.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */) && allowBaseTypes(rootSymbol) + ? getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.name, checker, function (base) { return cbSymbol(sym, rootSymbol, base, kind); }) + : undefined); + }); + } + function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker) { + var bindingElement = ts.getDeclarationOfKind(symbol, 203 /* SyntaxKind.BindingElement */); + if (bindingElement && ts.isObjectBindingElementWithoutPropertyName(bindingElement)) { + return ts.getPropertySymbolFromBindingElement(checker, bindingElement); + } + } + } + /** + * Find symbol of the given property-name and add the symbol to the given result array + * @param symbol a symbol to start searching for the given propertyName + * @param propertyName a name of property to search for + * @param result an array of symbol of found property symbols + * @param previousIterationSymbolsCache a cache of symbol from previous iterations of calling this function to prevent infinite revisiting of the same symbol. + * The value of previousIterationSymbol is undefined when the function is first called. + */ + function getPropertySymbolsFromBaseTypes(symbol, propertyName, checker, cb) { + var seen = new ts.Map(); + return recur(symbol); + function recur(symbol) { + // Use `addToSeen` to ensure we don't infinitely recurse in this situation: + // interface C extends C { + // /*findRef*/propName: string; + // } + if (!(symbol.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */)) || !ts.addToSeen(seen, ts.getSymbolId(symbol))) + return; + return ts.firstDefined(symbol.declarations, function (declaration) { return ts.firstDefined(ts.getAllSuperTypeNodes(declaration), function (typeReference) { + var type = checker.getTypeAtLocation(typeReference); + var propertySymbol = type && type.symbol && checker.getPropertyOfType(type, propertyName); + // Visit the typeReference as well to see if it directly or indirectly uses that property + return type && propertySymbol && (ts.firstDefined(checker.getRootSymbols(propertySymbol), cb) || recur(type.symbol)); + }); }); + } + } + function isStaticSymbol(symbol) { + if (!symbol.valueDeclaration) + return false; + var modifierFlags = ts.getEffectiveModifierFlags(symbol.valueDeclaration); + return !!(modifierFlags & 32 /* ModifierFlags.Static */); + } + function getRelatedSymbol(search, referenceSymbol, referenceLocation, state) { + var checker = state.checker; + return forEachRelatedSymbol(referenceSymbol, referenceLocation, checker, /*isForRenamePopulateSearchSymbolSet*/ false, + /*onlyIncludeBindingElementAtReferenceLocation*/ state.options.use !== 2 /* FindReferencesUse.Rename */ || !!state.options.providePrefixAndSuffixTextForRename, function (sym, rootSymbol, baseSymbol, kind) { + // check whether the symbol used to search itself is just the searched one. + if (baseSymbol) { + // static method/property and instance method/property might have the same name. Only check static or only check instance. + if (isStaticSymbol(referenceSymbol) !== isStaticSymbol(baseSymbol)) { + baseSymbol = undefined; + } + } + return search.includes(baseSymbol || rootSymbol || sym) + // For a base type, use the symbol for the derived type. For a synthetic (e.g. union) property, use the union symbol. + ? { symbol: rootSymbol && !(ts.getCheckFlags(sym) & 6 /* CheckFlags.Synthetic */) ? rootSymbol : sym, kind: kind } + : undefined; + }, + /*allowBaseTypes*/ function (rootSymbol) { + return !(search.parents && !search.parents.some(function (parent) { return explicitlyInheritsFrom(rootSymbol.parent, parent, state.inheritsFromCache, checker); })); + }); + } + /** + * Given an initial searchMeaning, extracted from a location, widen the search scope based on the declarations + * of the corresponding symbol. e.g. if we are searching for "Foo" in value position, but "Foo" references a class + * then we need to widen the search to include type positions as well. + * On the contrary, if we are searching for "Bar" in type position and we trace bar to an interface, and an uninstantiated + * module, we want to keep the search limited to only types, as the two declarations (interface and uninstantiated module) + * do not intersect in any of the three spaces. + */ + function getIntersectingMeaningFromDeclarations(node, symbol) { + var meaning = ts.getMeaningFromLocation(node); + var declarations = symbol.declarations; + if (declarations) { + var lastIterationMeaning = void 0; + do { + // The result is order-sensitive, for instance if initialMeaning === Namespace, and declarations = [class, instantiated module] + // we need to consider both as they initialMeaning intersects with the module in the namespace space, and the module + // intersects with the class in the value space. + // To achieve that we will keep iterating until the result stabilizes. + // Remember the last meaning + lastIterationMeaning = meaning; + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var declarationMeaning = ts.getMeaningFromDeclaration(declaration); + if (declarationMeaning & meaning) { + meaning |= declarationMeaning; + } + } + } while (meaning !== lastIterationMeaning); + } + return meaning; + } + Core.getIntersectingMeaningFromDeclarations = getIntersectingMeaningFromDeclarations; + function isImplementation(node) { + return !!(node.flags & 16777216 /* NodeFlags.Ambient */) ? !(ts.isInterfaceDeclaration(node) || ts.isTypeAliasDeclaration(node)) : + (ts.isVariableLike(node) ? ts.hasInitializer(node) : + ts.isFunctionLikeDeclaration(node) ? !!node.body : + ts.isClassLike(node) || ts.isModuleOrEnumDeclaration(node)); + } + function getReferenceEntriesForShorthandPropertyAssignment(node, checker, addReference) { + var refSymbol = checker.getSymbolAtLocation(node); + var shorthandSymbol = checker.getShorthandAssignmentValueSymbol(refSymbol.valueDeclaration); + if (shorthandSymbol) { + for (var _i = 0, _a = shorthandSymbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.getMeaningFromDeclaration(declaration) & 1 /* SemanticMeaning.Value */) { + addReference(declaration); + } + } + } + } + Core.getReferenceEntriesForShorthandPropertyAssignment = getReferenceEntriesForShorthandPropertyAssignment; + function forEachDescendantOfKind(node, kind, action) { + ts.forEachChild(node, function (child) { + if (child.kind === kind) { + action(child); + } + forEachDescendantOfKind(child, kind, action); + }); + } + /** Get `C` given `N` if `N` is in the position `class C extends N` or `class C extends foo.N` where `N` is an identifier. */ + function tryGetClassByExtendingIdentifier(node) { + return ts.tryGetClassExtendingExpressionWithTypeArguments(ts.climbPastPropertyAccess(node).parent); + } + /** + * If we are just looking for implementations and this is a property access expression, we need to get the + * symbol of the local type of the symbol the property is being accessed on. This is because our search + * symbol may have a different parent symbol if the local type's symbol does not declare the property + * being accessed (i.e. it is declared in some parent class or interface) + */ + function getParentSymbolsOfPropertyAccess(location, symbol, checker) { + var propertyAccessExpression = ts.isRightSideOfPropertyAccess(location) ? location.parent : undefined; + var lhsType = propertyAccessExpression && checker.getTypeAtLocation(propertyAccessExpression.expression); + var res = ts.mapDefined(lhsType && (lhsType.isUnionOrIntersection() ? lhsType.types : lhsType.symbol === symbol.parent ? undefined : [lhsType]), function (t) { + return t.symbol && t.symbol.flags & (32 /* SymbolFlags.Class */ | 64 /* SymbolFlags.Interface */) ? t.symbol : undefined; + }); + return res.length === 0 ? undefined : res; + } + function isForRenameWithPrefixAndSuffixText(options) { + return options.use === 2 /* FindReferencesUse.Rename */ && options.providePrefixAndSuffixTextForRename; + } + })(Core = FindAllReferences.Core || (FindAllReferences.Core = {})); + })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var CallHierarchy; + (function (CallHierarchy) { + /** Indictates whether a node is named function or class expression. */ + function isNamedExpression(node) { + return (ts.isFunctionExpression(node) || ts.isClassExpression(node)) && ts.isNamedDeclaration(node); + } + /** Indicates whether a node is a function, arrow, or class expression assigned to a constant variable. */ + function isConstNamedExpression(node) { + return (ts.isFunctionExpression(node) || ts.isArrowFunction(node) || ts.isClassExpression(node)) + && ts.isVariableDeclaration(node.parent) + && node === node.parent.initializer + && ts.isIdentifier(node.parent.name) + && !!(ts.getCombinedNodeFlags(node.parent) & 2 /* NodeFlags.Const */); + } + /** + * Indicates whether a node could possibly be a call hierarchy declaration. + * + * See `resolveCallHierarchyDeclaration` for the specific rules. + */ + function isPossibleCallHierarchyDeclaration(node) { + return ts.isSourceFile(node) + || ts.isModuleDeclaration(node) + || ts.isFunctionDeclaration(node) + || ts.isFunctionExpression(node) + || ts.isClassDeclaration(node) + || ts.isClassExpression(node) + || ts.isClassStaticBlockDeclaration(node) + || ts.isMethodDeclaration(node) + || ts.isMethodSignature(node) + || ts.isGetAccessorDeclaration(node) + || ts.isSetAccessorDeclaration(node); + } + /** + * Indicates whether a node is a valid a call hierarchy declaration. + * + * See `resolveCallHierarchyDeclaration` for the specific rules. + */ + function isValidCallHierarchyDeclaration(node) { + return ts.isSourceFile(node) + || ts.isModuleDeclaration(node) && ts.isIdentifier(node.name) + || ts.isFunctionDeclaration(node) + || ts.isClassDeclaration(node) + || ts.isClassStaticBlockDeclaration(node) + || ts.isMethodDeclaration(node) + || ts.isMethodSignature(node) + || ts.isGetAccessorDeclaration(node) + || ts.isSetAccessorDeclaration(node) + || isNamedExpression(node) + || isConstNamedExpression(node); + } + /** Gets the node that can be used as a reference to a call hierarchy declaration. */ + function getCallHierarchyDeclarationReferenceNode(node) { + if (ts.isSourceFile(node)) + return node; + if (ts.isNamedDeclaration(node)) + return node.name; + if (isConstNamedExpression(node)) + return node.parent.name; + return ts.Debug.checkDefined(node.modifiers && ts.find(node.modifiers, isDefaultModifier)); + } + function isDefaultModifier(node) { + return node.kind === 88 /* SyntaxKind.DefaultKeyword */; + } + /** Gets the symbol for a call hierarchy declaration. */ + function getSymbolOfCallHierarchyDeclaration(typeChecker, node) { + var location = getCallHierarchyDeclarationReferenceNode(node); + return location && typeChecker.getSymbolAtLocation(location); + } + /** Gets the text and range for the name of a call hierarchy declaration. */ + function getCallHierarchyItemName(program, node) { + if (ts.isSourceFile(node)) { + return { text: node.fileName, pos: 0, end: 0 }; + } + if ((ts.isFunctionDeclaration(node) || ts.isClassDeclaration(node)) && !ts.isNamedDeclaration(node)) { + var defaultModifier = node.modifiers && ts.find(node.modifiers, isDefaultModifier); + if (defaultModifier) { + return { text: "default", pos: defaultModifier.getStart(), end: defaultModifier.getEnd() }; + } + } + if (ts.isClassStaticBlockDeclaration(node)) { + var sourceFile = node.getSourceFile(); + var pos = ts.skipTrivia(sourceFile.text, ts.moveRangePastModifiers(node).pos); + var end = pos + 6; /* "static".length */ + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node.parent); + var prefix = symbol ? "".concat(typeChecker.symbolToString(symbol, node.parent), " ") : ""; + return { text: "".concat(prefix, "static {}"), pos: pos, end: end }; + } + var declName = isConstNamedExpression(node) ? node.parent.name : + ts.Debug.checkDefined(ts.getNameOfDeclaration(node), "Expected call hierarchy item to have a name"); + var text = ts.isIdentifier(declName) ? ts.idText(declName) : + ts.isStringOrNumericLiteralLike(declName) ? declName.text : + ts.isComputedPropertyName(declName) ? + ts.isStringOrNumericLiteralLike(declName.expression) ? declName.expression.text : + undefined : + undefined; + if (text === undefined) { + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(declName); + if (symbol) { + text = typeChecker.symbolToString(symbol, node); + } + } + if (text === undefined) { + // get the text from printing the node on a single line without comments... + var printer_1 = ts.createPrinter({ removeComments: true, omitTrailingSemicolon: true }); + text = ts.usingSingleLineStringWriter(function (writer) { return printer_1.writeNode(4 /* EmitHint.Unspecified */, node, node.getSourceFile(), writer); }); + } + return { text: text, pos: declName.getStart(), end: declName.getEnd() }; + } + function getCallHierarchItemContainerName(node) { + var _a, _b; + if (isConstNamedExpression(node)) { + if (ts.isModuleBlock(node.parent.parent.parent.parent) && ts.isIdentifier(node.parent.parent.parent.parent.parent.name)) { + return node.parent.parent.parent.parent.parent.name.getText(); + } + return; + } + switch (node.kind) { + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + if (node.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) { + return (_a = ts.getAssignedName(node.parent)) === null || _a === void 0 ? void 0 : _a.getText(); + } + return (_b = ts.getNameOfDeclaration(node.parent)) === null || _b === void 0 ? void 0 : _b.getText(); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + if (ts.isModuleBlock(node.parent) && ts.isIdentifier(node.parent.parent.name)) { + return node.parent.parent.name.getText(); + } + } + } + function findImplementation(typeChecker, node) { + if (node.body) { + return node; + } + if (ts.isConstructorDeclaration(node)) { + return ts.getFirstConstructorWithBody(node.parent); + } + if (ts.isFunctionDeclaration(node) || ts.isMethodDeclaration(node)) { + var symbol = getSymbolOfCallHierarchyDeclaration(typeChecker, node); + if (symbol && symbol.valueDeclaration && ts.isFunctionLikeDeclaration(symbol.valueDeclaration) && symbol.valueDeclaration.body) { + return symbol.valueDeclaration; + } + return undefined; + } + return node; + } + function findAllInitialDeclarations(typeChecker, node) { + var symbol = getSymbolOfCallHierarchyDeclaration(typeChecker, node); + var declarations; + if (symbol && symbol.declarations) { + var indices = ts.indicesOf(symbol.declarations); + var keys_1 = ts.map(symbol.declarations, function (decl) { return ({ file: decl.getSourceFile().fileName, pos: decl.pos }); }); + indices.sort(function (a, b) { return ts.compareStringsCaseSensitive(keys_1[a].file, keys_1[b].file) || keys_1[a].pos - keys_1[b].pos; }); + var sortedDeclarations = ts.map(indices, function (i) { return symbol.declarations[i]; }); + var lastDecl = void 0; + for (var _i = 0, sortedDeclarations_1 = sortedDeclarations; _i < sortedDeclarations_1.length; _i++) { + var decl = sortedDeclarations_1[_i]; + if (isValidCallHierarchyDeclaration(decl)) { + if (!lastDecl || lastDecl.parent !== decl.parent || lastDecl.end !== decl.pos) { + declarations = ts.append(declarations, decl); + } + lastDecl = decl; + } + } + } + return declarations; + } + /** Find the implementation or the first declaration for a call hierarchy declaration. */ + function findImplementationOrAllInitialDeclarations(typeChecker, node) { + var _a, _b, _c; + if (ts.isClassStaticBlockDeclaration(node)) { + return node; + } + if (ts.isFunctionLikeDeclaration(node)) { + return (_b = (_a = findImplementation(typeChecker, node)) !== null && _a !== void 0 ? _a : findAllInitialDeclarations(typeChecker, node)) !== null && _b !== void 0 ? _b : node; + } + return (_c = findAllInitialDeclarations(typeChecker, node)) !== null && _c !== void 0 ? _c : node; + } + /** Resolves the call hierarchy declaration for a node. */ + function resolveCallHierarchyDeclaration(program, location) { + // A call hierarchy item must refer to either a SourceFile, Module Declaration, Class Static Block, or something intrinsically callable that has a name: + // - Class Declarations + // - Class Expressions (with a name) + // - Function Declarations + // - Function Expressions (with a name or assigned to a const variable) + // - Arrow Functions (assigned to a const variable) + // - Constructors + // - Class `static {}` initializer blocks + // - Methods + // - Accessors + // + // If a call is contained in a non-named callable Node (function expression, arrow function, etc.), then + // its containing `CallHierarchyItem` is a containing function or SourceFile that matches the above list. + var typeChecker = program.getTypeChecker(); + var followingSymbol = false; + while (true) { + if (isValidCallHierarchyDeclaration(location)) { + return findImplementationOrAllInitialDeclarations(typeChecker, location); + } + if (isPossibleCallHierarchyDeclaration(location)) { + var ancestor = ts.findAncestor(location, isValidCallHierarchyDeclaration); + return ancestor && findImplementationOrAllInitialDeclarations(typeChecker, ancestor); + } + if (ts.isDeclarationName(location)) { + if (isValidCallHierarchyDeclaration(location.parent)) { + return findImplementationOrAllInitialDeclarations(typeChecker, location.parent); + } + if (isPossibleCallHierarchyDeclaration(location.parent)) { + var ancestor = ts.findAncestor(location.parent, isValidCallHierarchyDeclaration); + return ancestor && findImplementationOrAllInitialDeclarations(typeChecker, ancestor); + } + if (ts.isVariableDeclaration(location.parent) && location.parent.initializer && isConstNamedExpression(location.parent.initializer)) { + return location.parent.initializer; + } + return undefined; + } + if (ts.isConstructorDeclaration(location)) { + if (isValidCallHierarchyDeclaration(location.parent)) { + return location.parent; + } + return undefined; + } + if (location.kind === 124 /* SyntaxKind.StaticKeyword */ && ts.isClassStaticBlockDeclaration(location.parent)) { + location = location.parent; + continue; + } + // #39453 + if (ts.isVariableDeclaration(location) && location.initializer && isConstNamedExpression(location.initializer)) { + return location.initializer; + } + if (!followingSymbol) { + var symbol = typeChecker.getSymbolAtLocation(location); + if (symbol) { + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + if (symbol.valueDeclaration) { + followingSymbol = true; + location = symbol.valueDeclaration; + continue; + } + } + } + return undefined; + } + } + CallHierarchy.resolveCallHierarchyDeclaration = resolveCallHierarchyDeclaration; + /** Creates a `CallHierarchyItem` for a call hierarchy declaration. */ + function createCallHierarchyItem(program, node) { + var sourceFile = node.getSourceFile(); + var name = getCallHierarchyItemName(program, node); + var containerName = getCallHierarchItemContainerName(node); + var kind = ts.getNodeKind(node); + var kindModifiers = ts.getNodeModifiers(node); + var span = ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, node.getFullStart(), /*stopAfterLineBreak*/ false, /*stopAtComments*/ true), node.getEnd()); + var selectionSpan = ts.createTextSpanFromBounds(name.pos, name.end); + return { file: sourceFile.fileName, kind: kind, kindModifiers: kindModifiers, name: name.text, containerName: containerName, span: span, selectionSpan: selectionSpan }; + } + CallHierarchy.createCallHierarchyItem = createCallHierarchyItem; + function isDefined(x) { + return x !== undefined; + } + function convertEntryToCallSite(entry) { + if (entry.kind === 1 /* FindAllReferences.EntryKind.Node */) { + var node = entry.node; + if (ts.isCallOrNewExpressionTarget(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true) + || ts.isTaggedTemplateTag(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true) + || ts.isDecoratorTarget(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true) + || ts.isJsxOpeningLikeElementTagName(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true) + || ts.isRightSideOfPropertyAccess(node) + || ts.isArgumentExpressionOfElementAccess(node)) { + var sourceFile = node.getSourceFile(); + var ancestor = ts.findAncestor(node, isValidCallHierarchyDeclaration) || sourceFile; + return { declaration: ancestor, range: ts.createTextRangeFromNode(node, sourceFile) }; + } + } + } + function getCallSiteGroupKey(entry) { + return ts.getNodeId(entry.declaration); + } + function createCallHierarchyIncomingCall(from, fromSpans) { + return { from: from, fromSpans: fromSpans }; + } + function convertCallSiteGroupToIncomingCall(program, entries) { + return createCallHierarchyIncomingCall(createCallHierarchyItem(program, entries[0].declaration), ts.map(entries, function (entry) { return ts.createTextSpanFromRange(entry.range); })); + } + /** Gets the call sites that call into the provided call hierarchy declaration. */ + function getIncomingCalls(program, declaration, cancellationToken) { + // Source files and modules have no incoming calls. + if (ts.isSourceFile(declaration) || ts.isModuleDeclaration(declaration) || ts.isClassStaticBlockDeclaration(declaration)) { + return []; + } + var location = getCallHierarchyDeclarationReferenceNode(declaration); + var calls = ts.filter(ts.FindAllReferences.findReferenceOrRenameEntries(program, cancellationToken, program.getSourceFiles(), location, /*position*/ 0, { use: 1 /* FindAllReferences.FindReferencesUse.References */ }, convertEntryToCallSite), isDefined); + return calls ? ts.group(calls, getCallSiteGroupKey, function (entries) { return convertCallSiteGroupToIncomingCall(program, entries); }) : []; + } + CallHierarchy.getIncomingCalls = getIncomingCalls; + function createCallSiteCollector(program, callSites) { + function recordCallSite(node) { + var target = ts.isTaggedTemplateExpression(node) ? node.tag : + ts.isJsxOpeningLikeElement(node) ? node.tagName : + ts.isAccessExpression(node) ? node : + ts.isClassStaticBlockDeclaration(node) ? node : + node.expression; + var declaration = resolveCallHierarchyDeclaration(program, target); + if (declaration) { + var range = ts.createTextRangeFromNode(target, node.getSourceFile()); + if (ts.isArray(declaration)) { + for (var _i = 0, declaration_1 = declaration; _i < declaration_1.length; _i++) { + var decl = declaration_1[_i]; + callSites.push({ declaration: decl, range: range }); + } + } + else { + callSites.push({ declaration: declaration, range: range }); + } + } + } + function collect(node) { + if (!node) + return; + if (node.flags & 16777216 /* NodeFlags.Ambient */) { + // do not descend into ambient nodes. + return; + } + if (isValidCallHierarchyDeclaration(node)) { + // do not descend into other call site declarations, other than class member names + if (ts.isClassLike(node)) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.name && ts.isComputedPropertyName(member.name)) { + collect(member.name.expression); + } + } + } + return; + } + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 266 /* SyntaxKind.ImportDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + // do not descend into nodes that cannot contain callable nodes + return; + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + recordCallSite(node); + return; + case 211 /* SyntaxKind.TypeAssertionExpression */: + case 229 /* SyntaxKind.AsExpression */: + // do not descend into the type side of an assertion + collect(node.expression); + return; + case 254 /* SyntaxKind.VariableDeclaration */: + case 164 /* SyntaxKind.Parameter */: + // do not descend into the type of a variable or parameter declaration + collect(node.name); + collect(node.initializer); + return; + case 208 /* SyntaxKind.CallExpression */: + // do not descend into the type arguments of a call expression + recordCallSite(node); + collect(node.expression); + ts.forEach(node.arguments, collect); + return; + case 209 /* SyntaxKind.NewExpression */: + // do not descend into the type arguments of a new expression + recordCallSite(node); + collect(node.expression); + ts.forEach(node.arguments, collect); + return; + case 210 /* SyntaxKind.TaggedTemplateExpression */: + // do not descend into the type arguments of a tagged template expression + recordCallSite(node); + collect(node.tag); + collect(node.template); + return; + case 280 /* SyntaxKind.JsxOpeningElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + // do not descend into the type arguments of a JsxOpeningLikeElement + recordCallSite(node); + collect(node.tagName); + collect(node.attributes); + return; + case 165 /* SyntaxKind.Decorator */: + recordCallSite(node); + collect(node.expression); + return; + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + recordCallSite(node); + ts.forEachChild(node, collect); + break; + } + if (ts.isPartOfTypeNode(node)) { + // do not descend into types + return; + } + ts.forEachChild(node, collect); + } + return collect; + } + function collectCallSitesOfSourceFile(node, collect) { + ts.forEach(node.statements, collect); + } + function collectCallSitesOfModuleDeclaration(node, collect) { + if (!ts.hasSyntacticModifier(node, 2 /* ModifierFlags.Ambient */) && node.body && ts.isModuleBlock(node.body)) { + ts.forEach(node.body.statements, collect); + } + } + function collectCallSitesOfFunctionLikeDeclaration(typeChecker, node, collect) { + var implementation = findImplementation(typeChecker, node); + if (implementation) { + ts.forEach(implementation.parameters, collect); + collect(implementation.body); + } + } + function collectCallSitesOfClassStaticBlockDeclaration(node, collect) { + collect(node.body); + } + function collectCallSitesOfClassLikeDeclaration(node, collect) { + ts.forEach(node.decorators, collect); + var heritage = ts.getClassExtendsHeritageElement(node); + if (heritage) { + collect(heritage.expression); + } + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + ts.forEach(member.decorators, collect); + if (ts.isPropertyDeclaration(member)) { + collect(member.initializer); + } + else if (ts.isConstructorDeclaration(member) && member.body) { + ts.forEach(member.parameters, collect); + collect(member.body); + } + else if (ts.isClassStaticBlockDeclaration(member)) { + collect(member); + } + } + } + function collectCallSites(program, node) { + var callSites = []; + var collect = createCallSiteCollector(program, callSites); + switch (node.kind) { + case 305 /* SyntaxKind.SourceFile */: + collectCallSitesOfSourceFile(node, collect); + break; + case 261 /* SyntaxKind.ModuleDeclaration */: + collectCallSitesOfModuleDeclaration(node, collect); + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + collectCallSitesOfFunctionLikeDeclaration(program.getTypeChecker(), node, collect); + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + collectCallSitesOfClassLikeDeclaration(node, collect); + break; + case 170 /* SyntaxKind.ClassStaticBlockDeclaration */: + collectCallSitesOfClassStaticBlockDeclaration(node, collect); + break; + default: + ts.Debug.assertNever(node); + } + return callSites; + } + function createCallHierarchyOutgoingCall(to, fromSpans) { + return { to: to, fromSpans: fromSpans }; + } + function convertCallSiteGroupToOutgoingCall(program, entries) { + return createCallHierarchyOutgoingCall(createCallHierarchyItem(program, entries[0].declaration), ts.map(entries, function (entry) { return ts.createTextSpanFromRange(entry.range); })); + } + /** Gets the call sites that call out of the provided call hierarchy declaration. */ + function getOutgoingCalls(program, declaration) { + if (declaration.flags & 16777216 /* NodeFlags.Ambient */ || ts.isMethodSignature(declaration)) { + return []; + } + return ts.group(collectCallSites(program, declaration), getCallSiteGroupKey, function (entries) { return convertCallSiteGroupToOutgoingCall(program, entries); }); + } + CallHierarchy.getOutgoingCalls = getOutgoingCalls; + })(CallHierarchy = ts.CallHierarchy || (ts.CallHierarchy = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + function getEditsForFileRename(program, oldFileOrDirPath, newFileOrDirPath, host, formatContext, preferences, sourceMapper) { + var useCaseSensitiveFileNames = ts.hostUsesCaseSensitiveFileNames(host); + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames); + var oldToNew = getPathUpdater(oldFileOrDirPath, newFileOrDirPath, getCanonicalFileName, sourceMapper); + var newToOld = getPathUpdater(newFileOrDirPath, oldFileOrDirPath, getCanonicalFileName, sourceMapper); + return ts.textChanges.ChangeTracker.with({ host: host, formatContext: formatContext, preferences: preferences }, function (changeTracker) { + updateTsconfigFiles(program, changeTracker, oldToNew, oldFileOrDirPath, newFileOrDirPath, host.getCurrentDirectory(), useCaseSensitiveFileNames); + updateImports(program, changeTracker, oldToNew, newToOld, host, getCanonicalFileName); + }); + } + ts.getEditsForFileRename = getEditsForFileRename; + // exported for tests + function getPathUpdater(oldFileOrDirPath, newFileOrDirPath, getCanonicalFileName, sourceMapper) { + var canonicalOldPath = getCanonicalFileName(oldFileOrDirPath); + return function (path) { + var originalPath = sourceMapper && sourceMapper.tryGetSourcePosition({ fileName: path, pos: 0 }); + var updatedPath = getUpdatedPath(originalPath ? originalPath.fileName : path); + return originalPath + ? updatedPath === undefined ? undefined : makeCorrespondingRelativeChange(originalPath.fileName, updatedPath, path, getCanonicalFileName) + : updatedPath; + }; + function getUpdatedPath(pathToUpdate) { + if (getCanonicalFileName(pathToUpdate) === canonicalOldPath) + return newFileOrDirPath; + var suffix = ts.tryRemoveDirectoryPrefix(pathToUpdate, canonicalOldPath, getCanonicalFileName); + return suffix === undefined ? undefined : newFileOrDirPath + "/" + suffix; + } + } + ts.getPathUpdater = getPathUpdater; + // Relative path from a0 to b0 should be same as relative path from a1 to b1. Returns b1. + function makeCorrespondingRelativeChange(a0, b0, a1, getCanonicalFileName) { + var rel = ts.getRelativePathFromFile(a0, b0, getCanonicalFileName); + return combinePathsSafe(ts.getDirectoryPath(a1), rel); + } + function updateTsconfigFiles(program, changeTracker, oldToNew, oldFileOrDirPath, newFileOrDirPath, currentDirectory, useCaseSensitiveFileNames) { + var configFile = program.getCompilerOptions().configFile; + if (!configFile) + return; + var configDir = ts.getDirectoryPath(configFile.fileName); + var jsonObjectLiteral = ts.getTsConfigObjectLiteralExpression(configFile); + if (!jsonObjectLiteral) + return; + forEachProperty(jsonObjectLiteral, function (property, propertyName) { + switch (propertyName) { + case "files": + case "include": + case "exclude": { + var foundExactMatch = updatePaths(property); + if (foundExactMatch || propertyName !== "include" || !ts.isArrayLiteralExpression(property.initializer)) + return; + var includes = ts.mapDefined(property.initializer.elements, function (e) { return ts.isStringLiteral(e) ? e.text : undefined; }); + if (includes.length === 0) + return; + var matchers = ts.getFileMatcherPatterns(configDir, /*excludes*/ [], includes, useCaseSensitiveFileNames, currentDirectory); + // If there isn't some include for this, add a new one. + if (ts.getRegexFromPattern(ts.Debug.checkDefined(matchers.includeFilePattern), useCaseSensitiveFileNames).test(oldFileOrDirPath) && + !ts.getRegexFromPattern(ts.Debug.checkDefined(matchers.includeFilePattern), useCaseSensitiveFileNames).test(newFileOrDirPath)) { + changeTracker.insertNodeAfter(configFile, ts.last(property.initializer.elements), ts.factory.createStringLiteral(relativePath(newFileOrDirPath))); + } + return; + } + case "compilerOptions": + forEachProperty(property.initializer, function (property, propertyName) { + var option = ts.getOptionFromName(propertyName); + if (option && (option.isFilePath || option.type === "list" && option.element.isFilePath)) { + updatePaths(property); + } + else if (propertyName === "paths") { + forEachProperty(property.initializer, function (pathsProperty) { + if (!ts.isArrayLiteralExpression(pathsProperty.initializer)) + return; + for (var _i = 0, _a = pathsProperty.initializer.elements; _i < _a.length; _i++) { + var e = _a[_i]; + tryUpdateString(e); + } + }); + } + }); + return; + } + }); + function updatePaths(property) { + var elements = ts.isArrayLiteralExpression(property.initializer) ? property.initializer.elements : [property.initializer]; + var foundExactMatch = false; + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var element = elements_1[_i]; + foundExactMatch = tryUpdateString(element) || foundExactMatch; + } + return foundExactMatch; + } + function tryUpdateString(element) { + if (!ts.isStringLiteral(element)) + return false; + var elementFileName = combinePathsSafe(configDir, element.text); + var updated = oldToNew(elementFileName); + if (updated !== undefined) { + changeTracker.replaceRangeWithText(configFile, createStringRange(element, configFile), relativePath(updated)); + return true; + } + return false; + } + function relativePath(path) { + return ts.getRelativePathFromDirectory(configDir, path, /*ignoreCase*/ !useCaseSensitiveFileNames); + } + } + function updateImports(program, changeTracker, oldToNew, newToOld, host, getCanonicalFileName) { + var allFiles = program.getSourceFiles(); + var _loop_6 = function (sourceFile) { + var newFromOld = oldToNew(sourceFile.fileName); + var newImportFromPath = newFromOld !== null && newFromOld !== void 0 ? newFromOld : sourceFile.fileName; + var newImportFromDirectory = ts.getDirectoryPath(newImportFromPath); + var oldFromNew = newToOld(sourceFile.fileName); + var oldImportFromPath = oldFromNew || sourceFile.fileName; + var oldImportFromDirectory = ts.getDirectoryPath(oldImportFromPath); + var importingSourceFileMoved = newFromOld !== undefined || oldFromNew !== undefined; + updateImportsWorker(sourceFile, changeTracker, function (referenceText) { + if (!ts.pathIsRelative(referenceText)) + return undefined; + var oldAbsolute = combinePathsSafe(oldImportFromDirectory, referenceText); + var newAbsolute = oldToNew(oldAbsolute); + return newAbsolute === undefined ? undefined : ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(newImportFromDirectory, newAbsolute, getCanonicalFileName)); + }, function (importLiteral) { + var importedModuleSymbol = program.getTypeChecker().getSymbolAtLocation(importLiteral); + // No need to update if it's an ambient module^M + if ((importedModuleSymbol === null || importedModuleSymbol === void 0 ? void 0 : importedModuleSymbol.declarations) && importedModuleSymbol.declarations.some(function (d) { return ts.isAmbientModule(d); })) + return undefined; + var toImport = oldFromNew !== undefined + // If we're at the new location (file was already renamed), need to redo module resolution starting from the old location. + // TODO:GH#18217 + ? getSourceFileToImportFromResolved(importLiteral, ts.resolveModuleName(importLiteral.text, oldImportFromPath, program.getCompilerOptions(), host), oldToNew, allFiles) + : getSourceFileToImport(importedModuleSymbol, importLiteral, sourceFile, program, host, oldToNew); + // Need an update if the imported file moved, or the importing file moved and was using a relative path. + return toImport !== undefined && (toImport.updated || (importingSourceFileMoved && ts.pathIsRelative(importLiteral.text))) + ? ts.moduleSpecifiers.updateModuleSpecifier(program.getCompilerOptions(), sourceFile, getCanonicalFileName(newImportFromPath), toImport.newFileName, ts.createModuleSpecifierResolutionHost(program, host), importLiteral.text) + : undefined; + }); + }; + for (var _i = 0, allFiles_1 = allFiles; _i < allFiles_1.length; _i++) { + var sourceFile = allFiles_1[_i]; + _loop_6(sourceFile); + } + } + function combineNormal(pathA, pathB) { + return ts.normalizePath(ts.combinePaths(pathA, pathB)); + } + function combinePathsSafe(pathA, pathB) { + return ts.ensurePathIsNonModuleName(combineNormal(pathA, pathB)); + } + function getSourceFileToImport(importedModuleSymbol, importLiteral, importingSourceFile, program, host, oldToNew) { + if (importedModuleSymbol) { + // `find` should succeed because we checked for ambient modules before calling this function. + var oldFileName = ts.find(importedModuleSymbol.declarations, ts.isSourceFile).fileName; + var newFileName = oldToNew(oldFileName); + return newFileName === undefined ? { newFileName: oldFileName, updated: false } : { newFileName: newFileName, updated: true }; + } + else { + var mode = ts.getModeForUsageLocation(importingSourceFile, importLiteral); + var resolved = host.resolveModuleNames + ? host.getResolvedModuleWithFailedLookupLocationsFromCache && host.getResolvedModuleWithFailedLookupLocationsFromCache(importLiteral.text, importingSourceFile.fileName, mode) + : program.getResolvedModuleWithFailedLookupLocationsFromCache(importLiteral.text, importingSourceFile.fileName, mode); + return getSourceFileToImportFromResolved(importLiteral, resolved, oldToNew, program.getSourceFiles()); + } + } + function getSourceFileToImportFromResolved(importLiteral, resolved, oldToNew, sourceFiles) { + // Search through all locations looking for a moved file, and only then test already existing files. + // This is because if `a.ts` is compiled to `a.js` and `a.ts` is moved, we don't want to resolve anything to `a.js`, but to `a.ts`'s new location. + if (!resolved) + return undefined; + // First try resolved module + if (resolved.resolvedModule) { + var result_3 = tryChange(resolved.resolvedModule.resolvedFileName); + if (result_3) + return result_3; + } + // Then failed lookups that are in the list of sources + var result = ts.forEach(resolved.failedLookupLocations, tryChangeWithIgnoringPackageJsonExisting) + // Then failed lookups except package.json since we dont want to touch them (only included ts/js files). + // At this point, the confidence level of this fix being correct is too low to change bare specifiers or absolute paths. + || ts.pathIsRelative(importLiteral.text) && ts.forEach(resolved.failedLookupLocations, tryChangeWithIgnoringPackageJson); + if (result) + return result; + // If nothing changed, then result is resolved module file thats not updated + return resolved.resolvedModule && { newFileName: resolved.resolvedModule.resolvedFileName, updated: false }; + function tryChangeWithIgnoringPackageJsonExisting(oldFileName) { + var newFileName = oldToNew(oldFileName); + return newFileName && ts.find(sourceFiles, function (src) { return src.fileName === newFileName; }) + ? tryChangeWithIgnoringPackageJson(oldFileName) : undefined; + } + function tryChangeWithIgnoringPackageJson(oldFileName) { + return !ts.endsWith(oldFileName, "/package.json") ? tryChange(oldFileName) : undefined; + } + function tryChange(oldFileName) { + var newFileName = oldToNew(oldFileName); + return newFileName && { newFileName: newFileName, updated: true }; + } + } + function updateImportsWorker(sourceFile, changeTracker, updateRef, updateImport) { + for (var _i = 0, _a = sourceFile.referencedFiles || ts.emptyArray; _i < _a.length; _i++) { // TODO: GH#26162 + var ref = _a[_i]; + var updated = updateRef(ref.fileName); + if (updated !== undefined && updated !== sourceFile.text.slice(ref.pos, ref.end)) + changeTracker.replaceRangeWithText(sourceFile, ref, updated); + } + for (var _b = 0, _c = sourceFile.imports; _b < _c.length; _b++) { + var importStringLiteral = _c[_b]; + var updated = updateImport(importStringLiteral); + if (updated !== undefined && updated !== importStringLiteral.text) + changeTracker.replaceRangeWithText(sourceFile, createStringRange(importStringLiteral, sourceFile), updated); + } + } + function createStringRange(node, sourceFile) { + return ts.createRange(node.getStart(sourceFile) + 1, node.end - 1); + } + function forEachProperty(objectLiteral, cb) { + if (!ts.isObjectLiteralExpression(objectLiteral)) + return; + for (var _i = 0, _a = objectLiteral.properties; _i < _a.length; _i++) { + var property = _a[_i]; + if (ts.isPropertyAssignment(property) && ts.isStringLiteral(property.name)) { + cb(property, property.name.text); + } + } + } +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var GoToDefinition; + (function (GoToDefinition) { + function getDefinitionAtPosition(program, sourceFile, position, searchOtherFilesOnly, stopAtAlias) { + var _a; + var _b; + var resolvedRef = getReferenceAtPosition(sourceFile, position, program); + var fileReferenceDefinition = resolvedRef && [getDefinitionInfoForFileReference(resolvedRef.reference.fileName, resolvedRef.fileName, resolvedRef.unverified)] || ts.emptyArray; + if (resolvedRef === null || resolvedRef === void 0 ? void 0 : resolvedRef.file) { + // If `file` is missing, do a symbol-based lookup as well + return fileReferenceDefinition; + } + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { + return undefined; + } + var parent = node.parent; + var typeChecker = program.getTypeChecker(); + if (node.kind === 159 /* SyntaxKind.OverrideKeyword */ || (ts.isJSDocOverrideTag(node) && ts.rangeContainsPosition(node.tagName, position))) { + return getDefinitionFromOverriddenMember(typeChecker, node) || ts.emptyArray; + } + // Labels + if (ts.isJumpStatementTarget(node)) { + var label = ts.getTargetLabel(node.parent, node.text); + return label ? [createDefinitionInfoFromName(typeChecker, label, "label" /* ScriptElementKind.label */, node.text, /*containerName*/ undefined)] : undefined; // TODO: GH#18217 + } + if (ts.isStaticModifier(node) && ts.isClassStaticBlockDeclaration(node.parent)) { + var classDecl = node.parent.parent; + var _c = getSymbol(classDecl, typeChecker, stopAtAlias), symbol_1 = _c.symbol, failedAliasResolution_1 = _c.failedAliasResolution; + var staticBlocks = ts.filter(classDecl.members, ts.isClassStaticBlockDeclaration); + var containerName_1 = symbol_1 ? typeChecker.symbolToString(symbol_1, classDecl) : ""; + var sourceFile_1 = node.getSourceFile(); + return ts.map(staticBlocks, function (staticBlock) { + var pos = ts.moveRangePastModifiers(staticBlock).pos; + pos = ts.skipTrivia(sourceFile_1.text, pos); + return createDefinitionInfoFromName(typeChecker, staticBlock, "constructor" /* ScriptElementKind.constructorImplementationElement */, "static {}", containerName_1, /*unverified*/ false, failedAliasResolution_1, { start: pos, length: "static".length }); + }); + } + var _d = getSymbol(node, typeChecker, stopAtAlias), symbol = _d.symbol, failedAliasResolution = _d.failedAliasResolution; + var fallbackNode = node; + if (searchOtherFilesOnly && failedAliasResolution) { + // We couldn't resolve the specific import, try on the module specifier. + var importDeclaration = ts.forEach(__spreadArray([node], (symbol === null || symbol === void 0 ? void 0 : symbol.declarations) || ts.emptyArray, true), function (n) { return ts.findAncestor(n, ts.isAnyImportOrBareOrAccessedRequire); }); + var moduleSpecifier = importDeclaration && ts.tryGetModuleSpecifierFromDeclaration(importDeclaration); + if (moduleSpecifier) { + (_a = getSymbol(moduleSpecifier, typeChecker, stopAtAlias), symbol = _a.symbol, failedAliasResolution = _a.failedAliasResolution); + fallbackNode = moduleSpecifier; + } + } + if (!symbol && ts.isModuleSpecifierLike(fallbackNode)) { + // We couldn't resolve the module specifier as an external module, but it could + // be that module resolution succeeded but the target was not a module. + var ref = (_b = sourceFile.resolvedModules) === null || _b === void 0 ? void 0 : _b.get(fallbackNode.text, ts.getModeForUsageLocation(sourceFile, fallbackNode)); + if (ref) { + return [{ + name: fallbackNode.text, + fileName: ref.resolvedFileName, + containerName: undefined, + containerKind: undefined, + kind: "script" /* ScriptElementKind.scriptElement */, + textSpan: ts.createTextSpan(0, 0), + failedAliasResolution: failedAliasResolution, + isAmbient: ts.isDeclarationFileName(ref.resolvedFileName), + unverified: fallbackNode !== node, + }]; + } + } + // Could not find a symbol e.g. node is string or number keyword, + // or the symbol was an internal symbol and does not have a declaration e.g. undefined symbol + if (!symbol) { + return ts.concatenate(fileReferenceDefinition, getDefinitionInfoForIndexSignatures(node, typeChecker)); + } + if (searchOtherFilesOnly && ts.every(symbol.declarations, function (d) { return d.getSourceFile().fileName === sourceFile.fileName; })) + return undefined; + var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node); + // Don't go to the component constructor definition for a JSX element, just go to the component definition. + if (calledDeclaration && !(ts.isJsxOpeningLikeElement(node.parent) && isConstructorLike(calledDeclaration))) { + var sigInfo = createDefinitionFromSignatureDeclaration(typeChecker, calledDeclaration, failedAliasResolution); + // For a function, if this is the original function definition, return just sigInfo. + // If this is the original constructor definition, parent is the class. + if (typeChecker.getRootSymbols(symbol).some(function (s) { return symbolMatchesSignature(s, calledDeclaration); })) { + return [sigInfo]; + } + else { + var defs = getDefinitionFromSymbol(typeChecker, symbol, node, failedAliasResolution, calledDeclaration) || ts.emptyArray; + // For a 'super()' call, put the signature first, else put the variable first. + return node.kind === 106 /* SyntaxKind.SuperKeyword */ ? __spreadArray([sigInfo], defs, true) : __spreadArray(__spreadArray([], defs, true), [sigInfo], false); + } + } + // Because name in short-hand property assignment has two different meanings: property name and property value, + // using go-to-definition at such position should go to the variable declaration of the property value rather than + // go to the declaration of the property name (in this case stay at the same position). However, if go-to-definition + // is performed at the location of property access, we would like to go to definition of the property in the short-hand + // assignment. This case and others are handled by the following code. + if (node.parent.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) { + var shorthandSymbol_1 = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); + var definitions = (shorthandSymbol_1 === null || shorthandSymbol_1 === void 0 ? void 0 : shorthandSymbol_1.declarations) ? shorthandSymbol_1.declarations.map(function (decl) { return createDefinitionInfo(decl, typeChecker, shorthandSymbol_1, node, /*unverified*/ false, failedAliasResolution); }) : ts.emptyArray; + return ts.concatenate(definitions, getDefinitionFromObjectLiteralElement(typeChecker, node) || ts.emptyArray); + } + // If the node is the name of a BindingElement within an ObjectBindingPattern instead of just returning the + // declaration the symbol (which is itself), we should try to get to the original type of the ObjectBindingPattern + // and return the property declaration for the referenced property. + // For example: + // import('./foo').then(({ b/*goto*/ar }) => undefined); => should get use to the declaration in file "./foo" + // + // function bar(onfulfilled: (value: T) => void) { //....} + // interface Test { + // pr/*destination*/op1: number + // } + // bar(({pr/*goto*/op1})=>{}); + if (ts.isPropertyName(node) && ts.isBindingElement(parent) && ts.isObjectBindingPattern(parent.parent) && + (node === (parent.propertyName || parent.name))) { + var name_3 = ts.getNameFromPropertyName(node); + var type = typeChecker.getTypeAtLocation(parent.parent); + return name_3 === undefined ? ts.emptyArray : ts.flatMap(type.isUnion() ? type.types : [type], function (t) { + var prop = t.getProperty(name_3); + return prop && getDefinitionFromSymbol(typeChecker, prop, node); + }); + } + return ts.concatenate(fileReferenceDefinition, getDefinitionFromObjectLiteralElement(typeChecker, node) || getDefinitionFromSymbol(typeChecker, symbol, node, failedAliasResolution)); + } + GoToDefinition.getDefinitionAtPosition = getDefinitionAtPosition; + /** + * True if we should not add definitions for both the signature symbol and the definition symbol. + * True for `const |f = |() => 0`, false for `function |f() {} const |g = f;`. + * Also true for any assignment RHS. + */ + function symbolMatchesSignature(s, calledDeclaration) { + return s === calledDeclaration.symbol + || s === calledDeclaration.symbol.parent + || ts.isAssignmentExpression(calledDeclaration.parent) + || (!ts.isCallLikeExpression(calledDeclaration.parent) && s === calledDeclaration.parent.symbol); + } + // If the current location we want to find its definition is in an object literal, try to get the contextual type for the + // object literal, lookup the property symbol in the contextual type, and use this for goto-definition. + // For example + // interface Props{ + // /*first*/prop1: number + // prop2: boolean + // } + // function Foo(arg: Props) {} + // Foo( { pr/*1*/op1: 10, prop2: true }) + function getDefinitionFromObjectLiteralElement(typeChecker, node) { + var element = ts.getContainingObjectLiteralElement(node); + if (element) { + var contextualType = element && typeChecker.getContextualType(element.parent); + if (contextualType) { + return ts.flatMap(ts.getPropertySymbolsFromContextualType(element, typeChecker, contextualType, /*unionSymbolOk*/ false), function (propertySymbol) { + return getDefinitionFromSymbol(typeChecker, propertySymbol, node); + }); + } + } + } + function getDefinitionFromOverriddenMember(typeChecker, node) { + var classElement = ts.findAncestor(node, ts.isClassElement); + if (!(classElement && classElement.name)) + return; + var baseDeclaration = ts.findAncestor(classElement, ts.isClassLike); + if (!baseDeclaration) + return; + var baseTypeNode = ts.getEffectiveBaseTypeNode(baseDeclaration); + var baseType = baseTypeNode ? typeChecker.getTypeAtLocation(baseTypeNode) : undefined; + if (!baseType) + return; + var name = ts.unescapeLeadingUnderscores(ts.getTextOfPropertyName(classElement.name)); + var symbol = ts.hasStaticModifier(classElement) + ? typeChecker.getPropertyOfType(typeChecker.getTypeOfSymbolAtLocation(baseType.symbol, baseDeclaration), name) + : typeChecker.getPropertyOfType(baseType, name); + if (!symbol) + return; + return getDefinitionFromSymbol(typeChecker, symbol, node); + } + function getReferenceAtPosition(sourceFile, position, program) { + var _a, _b; + var referencePath = findReferenceInPosition(sourceFile.referencedFiles, position); + if (referencePath) { + var file = program.getSourceFileFromReference(sourceFile, referencePath); + return file && { reference: referencePath, fileName: file.fileName, file: file, unverified: false }; + } + var typeReferenceDirective = findReferenceInPosition(sourceFile.typeReferenceDirectives, position); + if (typeReferenceDirective) { + var reference = program.getResolvedTypeReferenceDirectives().get(typeReferenceDirective.fileName, typeReferenceDirective.resolutionMode || sourceFile.impliedNodeFormat); + var file = reference && program.getSourceFile(reference.resolvedFileName); // TODO:GH#18217 + return file && { reference: typeReferenceDirective, fileName: file.fileName, file: file, unverified: false }; + } + var libReferenceDirective = findReferenceInPosition(sourceFile.libReferenceDirectives, position); + if (libReferenceDirective) { + var file = program.getLibFileFromReference(libReferenceDirective); + return file && { reference: libReferenceDirective, fileName: file.fileName, file: file, unverified: false }; + } + if ((_a = sourceFile.resolvedModules) === null || _a === void 0 ? void 0 : _a.size()) { + var node = ts.getTouchingToken(sourceFile, position); + if (ts.isModuleSpecifierLike(node) && ts.isExternalModuleNameRelative(node.text) && sourceFile.resolvedModules.has(node.text, ts.getModeForUsageLocation(sourceFile, node))) { + var verifiedFileName = (_b = sourceFile.resolvedModules.get(node.text, ts.getModeForUsageLocation(sourceFile, node))) === null || _b === void 0 ? void 0 : _b.resolvedFileName; + var fileName = verifiedFileName || ts.resolvePath(ts.getDirectoryPath(sourceFile.fileName), node.text); + return { + file: program.getSourceFile(fileName), + fileName: fileName, + reference: { + pos: node.getStart(), + end: node.getEnd(), + fileName: node.text + }, + unverified: !verifiedFileName, + }; + } + } + return undefined; + } + GoToDefinition.getReferenceAtPosition = getReferenceAtPosition; + /// Goto type + function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) { + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { + return undefined; + } + if (ts.isImportMeta(node.parent) && node.parent.name === node) { + return definitionFromType(typeChecker.getTypeAtLocation(node.parent), typeChecker, node.parent, /*failedAliasResolution*/ false); + } + var _a = getSymbol(node, typeChecker, /*stopAtAlias*/ false), symbol = _a.symbol, failedAliasResolution = _a.failedAliasResolution; + if (!symbol) + return undefined; + var typeAtLocation = typeChecker.getTypeOfSymbolAtLocation(symbol, node); + var returnType = tryGetReturnTypeOfFunction(symbol, typeAtLocation, typeChecker); + var fromReturnType = returnType && definitionFromType(returnType, typeChecker, node, failedAliasResolution); + // If a function returns 'void' or some other type with no definition, just return the function definition. + var typeDefinitions = fromReturnType && fromReturnType.length !== 0 ? fromReturnType : definitionFromType(typeAtLocation, typeChecker, node, failedAliasResolution); + return typeDefinitions.length ? typeDefinitions + : !(symbol.flags & 111551 /* SymbolFlags.Value */) && symbol.flags & 788968 /* SymbolFlags.Type */ ? getDefinitionFromSymbol(typeChecker, ts.skipAlias(symbol, typeChecker), node, failedAliasResolution) + : undefined; + } + GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition; + function definitionFromType(type, checker, node, failedAliasResolution) { + return ts.flatMap(type.isUnion() && !(type.flags & 32 /* TypeFlags.Enum */) ? type.types : [type], function (t) { + return t.symbol && getDefinitionFromSymbol(checker, t.symbol, node, failedAliasResolution); + }); + } + function tryGetReturnTypeOfFunction(symbol, type, checker) { + // If the type is just a function's inferred type, + // go-to-type should go to the return type instead, since go-to-definition takes you to the function anyway. + if (type.symbol === symbol || + // At `const f = () => {}`, the symbol is `f` and the type symbol is at `() => {}` + symbol.valueDeclaration && type.symbol && ts.isVariableDeclaration(symbol.valueDeclaration) && symbol.valueDeclaration.initializer === type.symbol.valueDeclaration) { + var sigs = type.getCallSignatures(); + if (sigs.length === 1) + return checker.getReturnTypeOfSignature(ts.first(sigs)); + } + return undefined; + } + function getDefinitionAndBoundSpan(program, sourceFile, position) { + var definitions = getDefinitionAtPosition(program, sourceFile, position); + if (!definitions || definitions.length === 0) { + return undefined; + } + // Check if position is on triple slash reference. + var comment = findReferenceInPosition(sourceFile.referencedFiles, position) || + findReferenceInPosition(sourceFile.typeReferenceDirectives, position) || + findReferenceInPosition(sourceFile.libReferenceDirectives, position); + if (comment) { + return { definitions: definitions, textSpan: ts.createTextSpanFromRange(comment) }; + } + var node = ts.getTouchingPropertyName(sourceFile, position); + var textSpan = ts.createTextSpan(node.getStart(), node.getWidth()); + return { definitions: definitions, textSpan: textSpan }; + } + GoToDefinition.getDefinitionAndBoundSpan = getDefinitionAndBoundSpan; + // At 'x.foo', see if the type of 'x' has an index signature, and if so find its declarations. + function getDefinitionInfoForIndexSignatures(node, checker) { + return ts.mapDefined(checker.getIndexInfosAtLocation(node), function (info) { return info.declaration && createDefinitionFromSignatureDeclaration(checker, info.declaration); }); + } + function getSymbol(node, checker, stopAtAlias) { + var symbol = checker.getSymbolAtLocation(node); + // If this is an alias, and the request came at the declaration location + // get the aliased symbol instead. This allows for goto def on an import e.g. + // import {A, B} from "mod"; + // to jump to the implementation directly. + var failedAliasResolution = false; + if ((symbol === null || symbol === void 0 ? void 0 : symbol.declarations) && symbol.flags & 2097152 /* SymbolFlags.Alias */ && !stopAtAlias && shouldSkipAlias(node, symbol.declarations[0])) { + var aliased = checker.getAliasedSymbol(symbol); + if (aliased.declarations) { + return { symbol: aliased }; + } + else { + failedAliasResolution = true; + } + } + return { symbol: symbol, failedAliasResolution: failedAliasResolution }; + } + // Go to the original declaration for cases: + // + // (1) when the aliased symbol was declared in the location(parent). + // (2) when the aliased symbol is originating from an import. + // + function shouldSkipAlias(node, declaration) { + if (node.kind !== 79 /* SyntaxKind.Identifier */) { + return false; + } + if (node.parent === declaration) { + return true; + } + if (declaration.kind === 268 /* SyntaxKind.NamespaceImport */) { + return false; + } + return true; + } + /** + * ```ts + * function f() {} + * f.foo = 0; + * ``` + * + * Here, `f` has two declarations: the function declaration, and the identifier in the next line. + * The latter is a declaration for `f` because it gives `f` the `SymbolFlags.Namespace` meaning so + * it can contain `foo`. However, that declaration is pretty uninteresting and not intuitively a + * "definition" for `f`. Ideally, the question we'd like to answer is "what SymbolFlags does this + * declaration contribute to the symbol for `f`?" If the answer is just `Namespace` and the + * declaration looks like an assignment, that declaration is in no sense a definition for `f`. + * But that information is totally lost during binding and/or symbol merging, so we need to do + * our best to reconstruct it or use other heuristics. This function (and the logic around its + * calling) covers our tests but feels like a hack, and it would be great if someone could come + * up with a more precise definition of what counts as a definition. + */ + function isExpandoDeclaration(node) { + if (!ts.isAssignmentDeclaration(node)) + return false; + var containingAssignment = ts.findAncestor(node, function (p) { + if (ts.isAssignmentExpression(p)) + return true; + if (!ts.isAssignmentDeclaration(p)) + return "quit"; + return false; + }); + return !!containingAssignment && ts.getAssignmentDeclarationKind(containingAssignment) === 5 /* AssignmentDeclarationKind.Property */; + } + function getDefinitionFromSymbol(typeChecker, symbol, node, failedAliasResolution, excludeDeclaration) { + var filteredDeclarations = ts.filter(symbol.declarations, function (d) { return d !== excludeDeclaration; }); + var withoutExpandos = ts.filter(filteredDeclarations, function (d) { return !isExpandoDeclaration(d); }); + var results = ts.some(withoutExpandos) ? withoutExpandos : filteredDeclarations; + return getConstructSignatureDefinition() || getCallSignatureDefinition() || ts.map(results, function (declaration) { return createDefinitionInfo(declaration, typeChecker, symbol, node, /*unverified*/ false, failedAliasResolution); }); + function getConstructSignatureDefinition() { + // Applicable only if we are in a new expression, or we are on a constructor declaration + // and in either case the symbol has a construct signature definition, i.e. class + if (symbol.flags & 32 /* SymbolFlags.Class */ && !(symbol.flags & (16 /* SymbolFlags.Function */ | 3 /* SymbolFlags.Variable */)) && (ts.isNewExpressionTarget(node) || node.kind === 134 /* SyntaxKind.ConstructorKeyword */)) { + var cls = ts.find(filteredDeclarations, ts.isClassLike) || ts.Debug.fail("Expected declaration to have at least one class-like declaration"); + return getSignatureDefinition(cls.members, /*selectConstructors*/ true); + } + } + function getCallSignatureDefinition() { + return ts.isCallOrNewExpressionTarget(node) || ts.isNameOfFunctionDeclaration(node) + ? getSignatureDefinition(filteredDeclarations, /*selectConstructors*/ false) + : undefined; + } + function getSignatureDefinition(signatureDeclarations, selectConstructors) { + if (!signatureDeclarations) { + return undefined; + } + var declarations = signatureDeclarations.filter(selectConstructors ? ts.isConstructorDeclaration : ts.isFunctionLike); + var declarationsWithBody = declarations.filter(function (d) { return !!d.body; }); + // declarations defined on the global scope can be defined on multiple files. Get all of them. + return declarations.length + ? declarationsWithBody.length !== 0 + ? declarationsWithBody.map(function (x) { return createDefinitionInfo(x, typeChecker, symbol, node); }) + : [createDefinitionInfo(ts.last(declarations), typeChecker, symbol, node, /*unverified*/ false, failedAliasResolution)] + : undefined; + } + } + /** Creates a DefinitionInfo from a Declaration, using the declaration's name if possible. */ + function createDefinitionInfo(declaration, checker, symbol, node, unverified, failedAliasResolution) { + var symbolName = checker.symbolToString(symbol); // Do not get scoped name, just the name of the symbol + var symbolKind = ts.SymbolDisplay.getSymbolKind(checker, symbol, node); + var containerName = symbol.parent ? checker.symbolToString(symbol.parent, node) : ""; + return createDefinitionInfoFromName(checker, declaration, symbolKind, symbolName, containerName, unverified, failedAliasResolution); + } + GoToDefinition.createDefinitionInfo = createDefinitionInfo; + /** Creates a DefinitionInfo directly from the name of a declaration. */ + function createDefinitionInfoFromName(checker, declaration, symbolKind, symbolName, containerName, unverified, failedAliasResolution, textSpan) { + var sourceFile = declaration.getSourceFile(); + if (!textSpan) { + var name = ts.getNameOfDeclaration(declaration) || declaration; + textSpan = ts.createTextSpanFromNode(name, sourceFile); + } + return __assign(__assign({ fileName: sourceFile.fileName, textSpan: textSpan, kind: symbolKind, name: symbolName, containerKind: undefined, // TODO: GH#18217 + containerName: containerName }, ts.FindAllReferences.toContextSpan(textSpan, sourceFile, ts.FindAllReferences.getContextNode(declaration))), { isLocal: !isDefinitionVisible(checker, declaration), isAmbient: !!(declaration.flags & 16777216 /* NodeFlags.Ambient */), unverified: unverified, failedAliasResolution: failedAliasResolution }); + } + function isDefinitionVisible(checker, declaration) { + if (checker.isDeclarationVisible(declaration)) + return true; + if (!declaration.parent) + return false; + // Variable initializers are visible if variable is visible + if (ts.hasInitializer(declaration.parent) && declaration.parent.initializer === declaration) + return isDefinitionVisible(checker, declaration.parent); + // Handle some exceptions here like arrow function, members of class and object literal expression which are technically not visible but we want the definition to be determined by its parent + switch (declaration.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 169 /* SyntaxKind.MethodDeclaration */: + // Private/protected properties/methods are not visible + if (ts.hasEffectiveModifier(declaration, 8 /* ModifierFlags.Private */)) + return false; + // Public properties/methods are visible if its parents are visible, so: + // falls through + case 171 /* SyntaxKind.Constructor */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 226 /* SyntaxKind.ClassExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 213 /* SyntaxKind.FunctionExpression */: + return isDefinitionVisible(checker, declaration.parent); + default: + return false; + } + } + function createDefinitionFromSignatureDeclaration(typeChecker, decl, failedAliasResolution) { + return createDefinitionInfo(decl, typeChecker, decl.symbol, decl, /*unverified*/ false, failedAliasResolution); + } + function findReferenceInPosition(refs, pos) { + return ts.find(refs, function (ref) { return ts.textRangeContainsPositionInclusive(ref, pos); }); + } + GoToDefinition.findReferenceInPosition = findReferenceInPosition; + function getDefinitionInfoForFileReference(name, targetFileName, unverified) { + return { + fileName: targetFileName, + textSpan: ts.createTextSpanFromBounds(0, 0), + kind: "script" /* ScriptElementKind.scriptElement */, + name: name, + containerName: undefined, + containerKind: undefined, + unverified: unverified, + }; + } + /** Returns a CallLikeExpression where `node` is the target being invoked. */ + function getAncestorCallLikeExpression(node) { + var target = ts.findAncestor(node, function (n) { return !ts.isRightSideOfPropertyAccess(n); }); + var callLike = target === null || target === void 0 ? void 0 : target.parent; + return callLike && ts.isCallLikeExpression(callLike) && ts.getInvokedExpression(callLike) === target ? callLike : undefined; + } + function tryGetSignatureDeclaration(typeChecker, node) { + var callLike = getAncestorCallLikeExpression(node); + var signature = callLike && typeChecker.getResolvedSignature(callLike); + // Don't go to a function type, go to the value having that type. + return ts.tryCast(signature && signature.declaration, function (d) { return ts.isFunctionLike(d) && !ts.isFunctionTypeNode(d); }); + } + function isConstructorLike(node) { + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + case 180 /* SyntaxKind.ConstructorType */: + case 175 /* SyntaxKind.ConstructSignature */: + return true; + default: + return false; + } + } + })(GoToDefinition = ts.GoToDefinition || (ts.GoToDefinition = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var JsDoc; + (function (JsDoc) { + var jsDocTagNames = [ + "abstract", + "access", + "alias", + "argument", + "async", + "augments", + "author", + "borrows", + "callback", + "class", + "classdesc", + "constant", + "constructor", + "constructs", + "copyright", + "default", + "deprecated", + "description", + "emits", + "enum", + "event", + "example", + "exports", + "extends", + "external", + "field", + "file", + "fileoverview", + "fires", + "function", + "generator", + "global", + "hideconstructor", + "host", + "ignore", + "implements", + "inheritdoc", + "inner", + "instance", + "interface", + "kind", + "lends", + "license", + "link", + "listens", + "member", + "memberof", + "method", + "mixes", + "module", + "name", + "namespace", + "override", + "package", + "param", + "private", + "property", + "protected", + "public", + "readonly", + "requires", + "returns", + "see", + "since", + "static", + "summary", + "template", + "this", + "throws", + "todo", + "tutorial", + "type", + "typedef", + "var", + "variation", + "version", + "virtual", + "yields" + ]; + var jsDocTagNameCompletionEntries; + var jsDocTagCompletionEntries; + function getJsDocCommentsFromDeclarations(declarations, checker) { + // Only collect doc comments from duplicate declarations once: + // In case of a union property there might be same declaration multiple times + // which only varies in type parameter + // Eg. const a: Array | Array; a.length + // The property length will have two declarations of property length coming + // from Array - Array and Array + var parts = []; + ts.forEachUnique(declarations, function (declaration) { + for (var _i = 0, _a = getCommentHavingNodes(declaration); _i < _a.length; _i++) { + var jsdoc = _a[_i]; + // skip comments containing @typedefs since they're not associated with particular declarations + // Exceptions: + // - @typedefs are themselves declarations with associated comments + // - @param or @return indicate that the author thinks of it as a 'local' @typedef that's part of the function documentation + if (jsdoc.comment === undefined + || ts.isJSDoc(jsdoc) + && declaration.kind !== 345 /* SyntaxKind.JSDocTypedefTag */ && declaration.kind !== 338 /* SyntaxKind.JSDocCallbackTag */ + && jsdoc.tags + && jsdoc.tags.some(function (t) { return t.kind === 345 /* SyntaxKind.JSDocTypedefTag */ || t.kind === 338 /* SyntaxKind.JSDocCallbackTag */; }) + && !jsdoc.tags.some(function (t) { return t.kind === 340 /* SyntaxKind.JSDocParameterTag */ || t.kind === 341 /* SyntaxKind.JSDocReturnTag */; })) { + continue; + } + var newparts = getDisplayPartsFromComment(jsdoc.comment, checker); + if (!ts.contains(parts, newparts, isIdenticalListOfDisplayParts)) { + parts.push(newparts); + } + } + }); + return ts.flatten(ts.intersperse(parts, [ts.lineBreakPart()])); + } + JsDoc.getJsDocCommentsFromDeclarations = getJsDocCommentsFromDeclarations; + function isIdenticalListOfDisplayParts(parts1, parts2) { + return ts.arraysEqual(parts1, parts2, function (p1, p2) { return p1.kind === p2.kind && p1.text === p2.text; }); + } + function getCommentHavingNodes(declaration) { + switch (declaration.kind) { + case 340 /* SyntaxKind.JSDocParameterTag */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + return [declaration]; + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + return [declaration, declaration.parent]; + default: + return ts.getJSDocCommentsAndTags(declaration); + } + } + function getJsDocTagsFromDeclarations(declarations, checker) { + // Only collect doc comments from duplicate declarations once. + var infos = []; + ts.forEachUnique(declarations, function (declaration) { + var tags = ts.getJSDocTags(declaration); + // skip comments containing @typedefs since they're not associated with particular declarations + // Exceptions: + // - @param or @return indicate that the author thinks of it as a 'local' @typedef that's part of the function documentation + if (tags.some(function (t) { return t.kind === 345 /* SyntaxKind.JSDocTypedefTag */ || t.kind === 338 /* SyntaxKind.JSDocCallbackTag */; }) + && !tags.some(function (t) { return t.kind === 340 /* SyntaxKind.JSDocParameterTag */ || t.kind === 341 /* SyntaxKind.JSDocReturnTag */; })) { + return; + } + for (var _i = 0, tags_1 = tags; _i < tags_1.length; _i++) { + var tag = tags_1[_i]; + infos.push({ name: tag.tagName.text, text: getCommentDisplayParts(tag, checker) }); + } + }); + return infos; + } + JsDoc.getJsDocTagsFromDeclarations = getJsDocTagsFromDeclarations; + function getDisplayPartsFromComment(comment, checker) { + if (typeof comment === "string") { + return [ts.textPart(comment)]; + } + return ts.flatMap(comment, function (node) { return node.kind === 321 /* SyntaxKind.JSDocText */ ? [ts.textPart(node.text)] : ts.buildLinkParts(node, checker); }); + } + function getCommentDisplayParts(tag, checker) { + var comment = tag.comment, kind = tag.kind; + var namePart = getTagNameDisplayPart(kind); + switch (kind) { + case 329 /* SyntaxKind.JSDocImplementsTag */: + return withNode(tag.class); + case 328 /* SyntaxKind.JSDocAugmentsTag */: + return withNode(tag.class); + case 344 /* SyntaxKind.JSDocTemplateTag */: + var templateTag = tag; + var displayParts_3 = []; + if (templateTag.constraint) { + displayParts_3.push(ts.textPart(templateTag.constraint.getText())); + } + if (ts.length(templateTag.typeParameters)) { + if (ts.length(displayParts_3)) { + displayParts_3.push(ts.spacePart()); + } + var lastTypeParameter_1 = templateTag.typeParameters[templateTag.typeParameters.length - 1]; + ts.forEach(templateTag.typeParameters, function (tp) { + displayParts_3.push(namePart(tp.getText())); + if (lastTypeParameter_1 !== tp) { + displayParts_3.push.apply(displayParts_3, [ts.punctuationPart(27 /* SyntaxKind.CommaToken */), ts.spacePart()]); + } + }); + } + if (comment) { + displayParts_3.push.apply(displayParts_3, __spreadArray([ts.spacePart()], getDisplayPartsFromComment(comment, checker), true)); + } + return displayParts_3; + case 343 /* SyntaxKind.JSDocTypeTag */: + return withNode(tag.typeExpression); + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + case 340 /* SyntaxKind.JSDocParameterTag */: + case 346 /* SyntaxKind.JSDocSeeTag */: + var name = tag.name; + return name ? withNode(name) + : comment === undefined ? undefined + : getDisplayPartsFromComment(comment, checker); + default: + return comment === undefined ? undefined : getDisplayPartsFromComment(comment, checker); + } + function withNode(node) { + return addComment(node.getText()); + } + function addComment(s) { + if (comment) { + if (s.match(/^https?$/)) { + return __spreadArray([ts.textPart(s)], getDisplayPartsFromComment(comment, checker), true); + } + else { + return __spreadArray([namePart(s), ts.spacePart()], getDisplayPartsFromComment(comment, checker), true); + } + } + else { + return [ts.textPart(s)]; + } + } + } + function getTagNameDisplayPart(kind) { + switch (kind) { + case 340 /* SyntaxKind.JSDocParameterTag */: + return ts.parameterNamePart; + case 347 /* SyntaxKind.JSDocPropertyTag */: + return ts.propertyNamePart; + case 344 /* SyntaxKind.JSDocTemplateTag */: + return ts.typeParameterNamePart; + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + return ts.typeAliasNamePart; + default: + return ts.textPart; + } + } + function getJSDocTagNameCompletions() { + return jsDocTagNameCompletionEntries || (jsDocTagNameCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: tagName, + kind: "keyword" /* ScriptElementKind.keyword */, + kindModifiers: "", + sortText: ts.Completions.SortText.LocationPriority, + }; + })); + } + JsDoc.getJSDocTagNameCompletions = getJSDocTagNameCompletions; + JsDoc.getJSDocTagNameCompletionDetails = getJSDocTagCompletionDetails; + function getJSDocTagCompletions() { + return jsDocTagCompletionEntries || (jsDocTagCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: "@".concat(tagName), + kind: "keyword" /* ScriptElementKind.keyword */, + kindModifiers: "", + sortText: ts.Completions.SortText.LocationPriority + }; + })); + } + JsDoc.getJSDocTagCompletions = getJSDocTagCompletions; + function getJSDocTagCompletionDetails(name) { + return { + name: name, + kind: "" /* ScriptElementKind.unknown */, + kindModifiers: "", + displayParts: [ts.textPart(name)], + documentation: ts.emptyArray, + tags: undefined, + codeActions: undefined, + }; + } + JsDoc.getJSDocTagCompletionDetails = getJSDocTagCompletionDetails; + function getJSDocParameterNameCompletions(tag) { + if (!ts.isIdentifier(tag.name)) { + return ts.emptyArray; + } + var nameThusFar = tag.name.text; + var jsdoc = tag.parent; + var fn = jsdoc.parent; + if (!ts.isFunctionLike(fn)) + return []; + return ts.mapDefined(fn.parameters, function (param) { + if (!ts.isIdentifier(param.name)) + return undefined; + var name = param.name.text; + if (jsdoc.tags.some(function (t) { return t !== tag && ts.isJSDocParameterTag(t) && ts.isIdentifier(t.name) && t.name.escapedText === name; }) // TODO: GH#18217 + || nameThusFar !== undefined && !ts.startsWith(name, nameThusFar)) { + return undefined; + } + return { name: name, kind: "parameter" /* ScriptElementKind.parameterElement */, kindModifiers: "", sortText: ts.Completions.SortText.LocationPriority }; + }); + } + JsDoc.getJSDocParameterNameCompletions = getJSDocParameterNameCompletions; + function getJSDocParameterNameCompletionDetails(name) { + return { + name: name, + kind: "parameter" /* ScriptElementKind.parameterElement */, + kindModifiers: "", + displayParts: [ts.textPart(name)], + documentation: ts.emptyArray, + tags: undefined, + codeActions: undefined, + }; + } + JsDoc.getJSDocParameterNameCompletionDetails = getJSDocParameterNameCompletionDetails; + /** + * Checks if position points to a valid position to add JSDoc comments, and if so, + * returns the appropriate template. Otherwise returns an empty string. + * Valid positions are + * - outside of comments, statements, and expressions, and + * - preceding a: + * - function/constructor/method declaration + * - class declarations + * - variable statements + * - namespace declarations + * - interface declarations + * - method signatures + * - type alias declarations + * + * Hosts should ideally check that: + * - The line is all whitespace up to 'position' before performing the insertion. + * - If the keystroke sequence "/\*\*" induced the call, we also check that the next + * non-whitespace character is '*', which (approximately) indicates whether we added + * the second '*' to complete an existing (JSDoc) comment. + * @param fileName The file in which to perform the check. + * @param position The (character-indexed) position in the file where the check should + * be performed. + */ + function getDocCommentTemplateAtPosition(newLine, sourceFile, position, options) { + var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); + var existingDocComment = ts.findAncestor(tokenAtPos, ts.isJSDoc); + if (existingDocComment && (existingDocComment.comment !== undefined || ts.length(existingDocComment.tags))) { + // Non-empty comment already exists. + return undefined; + } + var tokenStart = tokenAtPos.getStart(sourceFile); + // Don't provide a doc comment template based on a *previous* node. (But an existing empty jsdoc comment will likely start before `position`.) + if (!existingDocComment && tokenStart < position) { + return undefined; + } + var commentOwnerInfo = getCommentOwnerInfo(tokenAtPos, options); + if (!commentOwnerInfo) { + return undefined; + } + var commentOwner = commentOwnerInfo.commentOwner, parameters = commentOwnerInfo.parameters, hasReturn = commentOwnerInfo.hasReturn; + var commentOwnerJSDoc = ts.hasJSDocNodes(commentOwner) && commentOwner.jsDoc ? ts.lastOrUndefined(commentOwner.jsDoc) : undefined; + if (commentOwner.getStart(sourceFile) < position || commentOwnerJSDoc && commentOwnerJSDoc !== existingDocComment) { + return undefined; + } + var indentationStr = getIndentationStringAtPosition(sourceFile, position); + var isJavaScriptFile = ts.hasJSFileExtension(sourceFile.fileName); + var tags = (parameters ? parameterDocComments(parameters || [], isJavaScriptFile, indentationStr, newLine) : "") + + (hasReturn ? returnsDocComment(indentationStr, newLine) : ""); + // A doc comment consists of the following + // * The opening comment line + // * the first line (without a param) for the object's untagged info (this is also where the caret ends up) + // * the '@param'-tagged lines + // * the '@returns'-tag + // * TODO: other tags. + // * the closing comment line + // * if the caret was directly in front of the object, then we add an extra line and indentation. + var openComment = "/**"; + var closeComment = " */"; + if (tags) { + var preamble = openComment + newLine + indentationStr + " * "; + var endLine = tokenStart === position ? newLine + indentationStr : ""; + var result = preamble + newLine + tags + indentationStr + closeComment + endLine; + return { newText: result, caretOffset: preamble.length }; + } + return { newText: openComment + closeComment, caretOffset: 3 }; + } + JsDoc.getDocCommentTemplateAtPosition = getDocCommentTemplateAtPosition; + function getIndentationStringAtPosition(sourceFile, position) { + var text = sourceFile.text; + var lineStart = ts.getLineStartPositionForPosition(position, sourceFile); + var pos = lineStart; + for (; pos <= position && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) + ; + return text.slice(lineStart, pos); + } + function parameterDocComments(parameters, isJavaScriptFile, indentationStr, newLine) { + return parameters.map(function (_a, i) { + var name = _a.name, dotDotDotToken = _a.dotDotDotToken; + var paramName = name.kind === 79 /* SyntaxKind.Identifier */ ? name.text : "param" + i; + var type = isJavaScriptFile ? (dotDotDotToken ? "{...any} " : "{any} ") : ""; + return "".concat(indentationStr, " * @param ").concat(type).concat(paramName).concat(newLine); + }).join(""); + } + function returnsDocComment(indentationStr, newLine) { + return "".concat(indentationStr, " * @returns").concat(newLine); + } + function getCommentOwnerInfo(tokenAtPos, options) { + return ts.forEachAncestor(tokenAtPos, function (n) { return getCommentOwnerInfoWorker(n, options); }); + } + function getCommentOwnerInfoWorker(commentOwner, options) { + switch (commentOwner.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + case 168 /* SyntaxKind.MethodSignature */: + case 214 /* SyntaxKind.ArrowFunction */: + var host = commentOwner; + return { commentOwner: commentOwner, parameters: host.parameters, hasReturn: hasReturn(host, options) }; + case 296 /* SyntaxKind.PropertyAssignment */: + return getCommentOwnerInfoWorker(commentOwner.initializer, options); + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 299 /* SyntaxKind.EnumMember */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return { commentOwner: commentOwner }; + case 237 /* SyntaxKind.VariableStatement */: { + var varStatement = commentOwner; + var varDeclarations = varStatement.declarationList.declarations; + var host_1 = varDeclarations.length === 1 && varDeclarations[0].initializer + ? getRightHandSideOfAssignment(varDeclarations[0].initializer) + : undefined; + return host_1 + ? { commentOwner: commentOwner, parameters: host_1.parameters, hasReturn: hasReturn(host_1, options) } + : { commentOwner: commentOwner }; + } + case 305 /* SyntaxKind.SourceFile */: + return "quit"; + case 261 /* SyntaxKind.ModuleDeclaration */: + // If in walking up the tree, we hit a a nested namespace declaration, + // then we must be somewhere within a dotted namespace name; however we don't + // want to give back a JSDoc template for the 'b' or 'c' in 'namespace a.b.c { }'. + return commentOwner.parent.kind === 261 /* SyntaxKind.ModuleDeclaration */ ? undefined : { commentOwner: commentOwner }; + case 238 /* SyntaxKind.ExpressionStatement */: + return getCommentOwnerInfoWorker(commentOwner.expression, options); + case 221 /* SyntaxKind.BinaryExpression */: { + var be = commentOwner; + if (ts.getAssignmentDeclarationKind(be) === 0 /* AssignmentDeclarationKind.None */) { + return "quit"; + } + return ts.isFunctionLike(be.right) + ? { commentOwner: commentOwner, parameters: be.right.parameters, hasReturn: hasReturn(be.right, options) } + : { commentOwner: commentOwner }; + } + case 167 /* SyntaxKind.PropertyDeclaration */: + var init = commentOwner.initializer; + if (init && (ts.isFunctionExpression(init) || ts.isArrowFunction(init))) { + return { commentOwner: commentOwner, parameters: init.parameters, hasReturn: hasReturn(init, options) }; + } + } + } + function hasReturn(node, options) { + return !!(options === null || options === void 0 ? void 0 : options.generateReturnInDocTemplate) && + (ts.isArrowFunction(node) && ts.isExpression(node.body) + || ts.isFunctionLikeDeclaration(node) && node.body && ts.isBlock(node.body) && !!ts.forEachReturnStatement(node.body, function (n) { return n; })); + } + function getRightHandSideOfAssignment(rightHandSide) { + while (rightHandSide.kind === 212 /* SyntaxKind.ParenthesizedExpression */) { + rightHandSide = rightHandSide.expression; + } + switch (rightHandSide.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return rightHandSide; + case 226 /* SyntaxKind.ClassExpression */: + return ts.find(rightHandSide.members, ts.isConstructorDeclaration); + } + } + })(JsDoc = ts.JsDoc || (ts.JsDoc = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var NavigateTo; + (function (NavigateTo) { + function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) { + var patternMatcher = ts.createPatternMatcher(searchValue); + if (!patternMatcher) + return ts.emptyArray; + var rawItems = []; + var _loop_7 = function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + if (excludeDtsFiles && sourceFile.isDeclarationFile) { + return "continue"; + } + sourceFile.getNamedDeclarations().forEach(function (declarations, name) { + getItemsFromNamedDeclaration(patternMatcher, name, declarations, checker, sourceFile.fileName, rawItems); + }); + }; + // Search the declarations in all files and output matched NavigateToItem into array of NavigateToItem[] + for (var _i = 0, sourceFiles_4 = sourceFiles; _i < sourceFiles_4.length; _i++) { + var sourceFile = sourceFiles_4[_i]; + _loop_7(sourceFile); + } + rawItems.sort(compareNavigateToItems); + return (maxResultCount === undefined ? rawItems : rawItems.slice(0, maxResultCount)).map(createNavigateToItem); + } + NavigateTo.getNavigateToItems = getNavigateToItems; + function getItemsFromNamedDeclaration(patternMatcher, name, declarations, checker, fileName, rawItems) { + // First do a quick check to see if the name of the declaration matches the + // last portion of the (possibly) dotted name they're searching for. + var match = patternMatcher.getMatchForLastSegmentOfPattern(name); + if (!match) { + return; // continue to next named declarations + } + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + if (!shouldKeepItem(declaration, checker)) + continue; + if (patternMatcher.patternContainsDots) { + // If the pattern has dots in it, then also see if the declaration container matches as well. + var fullMatch = patternMatcher.getFullMatch(getContainers(declaration), name); + if (fullMatch) { + rawItems.push({ name: name, fileName: fileName, matchKind: fullMatch.kind, isCaseSensitive: fullMatch.isCaseSensitive, declaration: declaration }); + } + } + else { + rawItems.push({ name: name, fileName: fileName, matchKind: match.kind, isCaseSensitive: match.isCaseSensitive, declaration: declaration }); + } + } + } + function shouldKeepItem(declaration, checker) { + switch (declaration.kind) { + case 267 /* SyntaxKind.ImportClause */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + var importer = checker.getSymbolAtLocation(declaration.name); // TODO: GH#18217 + var imported = checker.getAliasedSymbol(importer); + return importer.escapedName !== imported.escapedName; + default: + return true; + } + } + function tryAddSingleDeclarationName(declaration, containers) { + var name = ts.getNameOfDeclaration(declaration); + return !!name && (pushLiteral(name, containers) || name.kind === 162 /* SyntaxKind.ComputedPropertyName */ && tryAddComputedPropertyName(name.expression, containers)); + } + // Only added the names of computed properties if they're simple dotted expressions, like: + // + // [X.Y.Z]() { } + function tryAddComputedPropertyName(expression, containers) { + return pushLiteral(expression, containers) + || ts.isPropertyAccessExpression(expression) && (containers.push(expression.name.text), true) && tryAddComputedPropertyName(expression.expression, containers); + } + function pushLiteral(node, containers) { + return ts.isPropertyNameLiteral(node) && (containers.push(ts.getTextOfIdentifierOrLiteral(node)), true); + } + function getContainers(declaration) { + var containers = []; + // First, if we started with a computed property name, then add all but the last + // portion into the container array. + var name = ts.getNameOfDeclaration(declaration); + if (name && name.kind === 162 /* SyntaxKind.ComputedPropertyName */ && !tryAddComputedPropertyName(name.expression, containers)) { + return ts.emptyArray; + } + // Don't include the last portion. + containers.shift(); + // Now, walk up our containers, adding all their names to the container array. + var container = ts.getContainerNode(declaration); + while (container) { + if (!tryAddSingleDeclarationName(container, containers)) { + return ts.emptyArray; + } + container = ts.getContainerNode(container); + } + return containers.reverse(); + } + function compareNavigateToItems(i1, i2) { + // TODO(cyrusn): get the gamut of comparisons that VS already uses here. + return ts.compareValues(i1.matchKind, i2.matchKind) + || ts.compareStringsCaseSensitiveUI(i1.name, i2.name); + } + function createNavigateToItem(rawItem) { + var declaration = rawItem.declaration; + var container = ts.getContainerNode(declaration); + var containerName = container && ts.getNameOfDeclaration(container); + return { + name: rawItem.name, + kind: ts.getNodeKind(declaration), + kindModifiers: ts.getNodeModifiers(declaration), + matchKind: ts.PatternMatchKind[rawItem.matchKind], + isCaseSensitive: rawItem.isCaseSensitive, + fileName: rawItem.fileName, + textSpan: ts.createTextSpanFromNode(declaration), + // TODO(jfreeman): What should be the containerName when the container has a computed name? + containerName: containerName ? containerName.text : "", + containerKind: containerName ? ts.getNodeKind(container) : "" /* ScriptElementKind.unknown */, + }; + } + })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var NavigationBar; + (function (NavigationBar) { + var _a; + /** + * Matches all whitespace characters in a string. Eg: + * + * "app. + * + * onactivated" + * + * matches because of the newline, whereas + * + * "app.onactivated" + * + * does not match. + */ + var whiteSpaceRegex = /\s+/g; + /** + * Maximum amount of characters to return + * The amount was chosen arbitrarily. + */ + var maxLength = 150; + // Keep sourceFile handy so we don't have to search for it every time we need to call `getText`. + var curCancellationToken; + var curSourceFile; + /** + * For performance, we keep navigation bar parents on a stack rather than passing them through each recursion. + * `parent` is the current parent and is *not* stored in parentsStack. + * `startNode` sets a new parent and `endNode` returns to the previous parent. + */ + var parentsStack = []; + var parent; + var trackedEs5ClassesStack = []; + var trackedEs5Classes; + // NavigationBarItem requires an array, but will not mutate it, so just give it this for performance. + var emptyChildItemArray = []; + function getNavigationBarItems(sourceFile, cancellationToken) { + curCancellationToken = cancellationToken; + curSourceFile = sourceFile; + try { + return ts.map(primaryNavBarMenuItems(rootNavigationBarNode(sourceFile)), convertToPrimaryNavBarMenuItem); + } + finally { + reset(); + } + } + NavigationBar.getNavigationBarItems = getNavigationBarItems; + function getNavigationTree(sourceFile, cancellationToken) { + curCancellationToken = cancellationToken; + curSourceFile = sourceFile; + try { + return convertToTree(rootNavigationBarNode(sourceFile)); + } + finally { + reset(); + } + } + NavigationBar.getNavigationTree = getNavigationTree; + function reset() { + curSourceFile = undefined; + curCancellationToken = undefined; + parentsStack = []; + parent = undefined; + emptyChildItemArray = []; + } + function nodeText(node) { + return cleanText(node.getText(curSourceFile)); + } + function navigationBarNodeKind(n) { + return n.node.kind; + } + function pushChild(parent, child) { + if (parent.children) { + parent.children.push(child); + } + else { + parent.children = [child]; + } + } + function rootNavigationBarNode(sourceFile) { + ts.Debug.assert(!parentsStack.length); + var root = { node: sourceFile, name: undefined, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 }; + parent = root; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + addChildrenRecursively(statement); + } + endNode(); + ts.Debug.assert(!parent && !parentsStack.length); + return root; + } + function addLeafNode(node, name) { + pushChild(parent, emptyNavigationBarNode(node, name)); + } + function emptyNavigationBarNode(node, name) { + return { + node: node, + name: name || (ts.isDeclaration(node) || ts.isExpression(node) ? ts.getNameOfDeclaration(node) : undefined), + additionalNodes: undefined, + parent: parent, + children: undefined, + indent: parent.indent + 1 + }; + } + function addTrackedEs5Class(name) { + if (!trackedEs5Classes) { + trackedEs5Classes = new ts.Map(); + } + trackedEs5Classes.set(name, true); + } + function endNestedNodes(depth) { + for (var i = 0; i < depth; i++) + endNode(); + } + function startNestedNodes(targetNode, entityName) { + var names = []; + while (!ts.isPropertyNameLiteral(entityName)) { + var name = ts.getNameOrArgument(entityName); + var nameText = ts.getElementOrPropertyAccessName(entityName); + entityName = entityName.expression; + if (nameText === "prototype" || ts.isPrivateIdentifier(name)) + continue; + names.push(name); + } + names.push(entityName); + for (var i = names.length - 1; i > 0; i--) { + var name = names[i]; + startNode(targetNode, name); + } + return [names.length - 1, names[0]]; + } + /** + * Add a new level of NavigationBarNodes. + * This pushes to the stack, so you must call `endNode` when you are done adding to this node. + */ + function startNode(node, name) { + var navNode = emptyNavigationBarNode(node, name); + pushChild(parent, navNode); + // Save the old parent + parentsStack.push(parent); + trackedEs5ClassesStack.push(trackedEs5Classes); + trackedEs5Classes = undefined; + parent = navNode; + } + /** Call after calling `startNode` and adding children to it. */ + function endNode() { + if (parent.children) { + mergeChildren(parent.children, parent); + sortChildren(parent.children); + } + parent = parentsStack.pop(); + trackedEs5Classes = trackedEs5ClassesStack.pop(); + } + function addNodeWithRecursiveChild(node, child, name) { + startNode(node, name); + addChildrenRecursively(child); + endNode(); + } + function addNodeWithRecursiveInitializer(node) { + if (node.initializer && isFunctionOrClassExpression(node.initializer)) { + startNode(node); + ts.forEachChild(node.initializer, addChildrenRecursively); + endNode(); + } + else { + addNodeWithRecursiveChild(node, node.initializer); + } + } + /** + * Historically, we've elided dynamic names from the nav tree (including late bound names), + * but included certain "well known" symbol names. While we no longer distinguish those well-known + * symbols from other unique symbols, we do the below to retain those members in the nav tree. + */ + function hasNavigationBarName(node) { + return !ts.hasDynamicName(node) || + (node.kind !== 221 /* SyntaxKind.BinaryExpression */ && + ts.isPropertyAccessExpression(node.name.expression) && + ts.isIdentifier(node.name.expression.expression) && + ts.idText(node.name.expression.expression) === "Symbol"); + } + /** Look for navigation bar items in node's subtree, adding them to the current `parent`. */ + function addChildrenRecursively(node) { + var _a; + curCancellationToken.throwIfCancellationRequested(); + if (!node || ts.isToken(node)) { + return; + } + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + // Get parameter properties, and treat them as being on the *same* level as the constructor, not under it. + var ctr = node; + addNodeWithRecursiveChild(ctr, ctr.body); + // Parameter properties are children of the class, not the constructor. + for (var _i = 0, _b = ctr.parameters; _i < _b.length; _i++) { + var param = _b[_i]; + if (ts.isParameterPropertyDeclaration(param, ctr)) { + addLeafNode(param); + } + } + break; + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 168 /* SyntaxKind.MethodSignature */: + if (hasNavigationBarName(node)) { + addNodeWithRecursiveChild(node, node.body); + } + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + if (hasNavigationBarName(node)) { + addNodeWithRecursiveInitializer(node); + } + break; + case 166 /* SyntaxKind.PropertySignature */: + if (hasNavigationBarName(node)) { + addLeafNode(node); + } + break; + case 267 /* SyntaxKind.ImportClause */: + var importClause = node; + // Handle default import case e.g.: + // import d from "mod"; + if (importClause.name) { + addLeafNode(importClause.name); + } + // Handle named bindings in imports e.g.: + // import * as NS from "mod"; + // import {a, b as B} from "mod"; + var namedBindings = importClause.namedBindings; + if (namedBindings) { + if (namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + addLeafNode(namedBindings); + } + else { + for (var _c = 0, _d = namedBindings.elements; _c < _d.length; _c++) { + var element = _d[_c]; + addLeafNode(element); + } + } + } + break; + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + addNodeWithRecursiveChild(node, node.name); + break; + case 298 /* SyntaxKind.SpreadAssignment */: + var expression = node.expression; + // Use the expression as the name of the SpreadAssignment, otherwise show as . + ts.isIdentifier(expression) ? addLeafNode(node, expression) : addLeafNode(node); + break; + case 203 /* SyntaxKind.BindingElement */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 254 /* SyntaxKind.VariableDeclaration */: { + var child = node; + if (ts.isBindingPattern(child.name)) { + addChildrenRecursively(child.name); + } + else { + addNodeWithRecursiveInitializer(child); + } + break; + } + case 256 /* SyntaxKind.FunctionDeclaration */: + var nameNode = node.name; + // If we see a function declaration track as a possible ES5 class + if (nameNode && ts.isIdentifier(nameNode)) { + addTrackedEs5Class(nameNode.text); + } + addNodeWithRecursiveChild(node, node.body); + break; + case 214 /* SyntaxKind.ArrowFunction */: + case 213 /* SyntaxKind.FunctionExpression */: + addNodeWithRecursiveChild(node, node.body); + break; + case 260 /* SyntaxKind.EnumDeclaration */: + startNode(node); + for (var _e = 0, _f = node.members; _e < _f.length; _e++) { + var member = _f[_e]; + if (!isComputedProperty(member)) { + addLeafNode(member); + } + } + endNode(); + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + startNode(node); + for (var _g = 0, _h = node.members; _g < _h.length; _g++) { + var member = _h[_g]; + addChildrenRecursively(member); + } + endNode(); + break; + case 261 /* SyntaxKind.ModuleDeclaration */: + addNodeWithRecursiveChild(node, getInteriorModule(node).body); + break; + case 271 /* SyntaxKind.ExportAssignment */: { + var expression_1 = node.expression; + var child = ts.isObjectLiteralExpression(expression_1) || ts.isCallExpression(expression_1) ? expression_1 : + ts.isArrowFunction(expression_1) || ts.isFunctionExpression(expression_1) ? expression_1.body : undefined; + if (child) { + startNode(node); + addChildrenRecursively(child); + endNode(); + } + else { + addLeafNode(node); + } + break; + } + case 275 /* SyntaxKind.ExportSpecifier */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 176 /* SyntaxKind.IndexSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + addLeafNode(node); + break; + case 208 /* SyntaxKind.CallExpression */: + case 221 /* SyntaxKind.BinaryExpression */: { + var special = ts.getAssignmentDeclarationKind(node); + switch (special) { + case 1 /* AssignmentDeclarationKind.ExportsProperty */: + case 2 /* AssignmentDeclarationKind.ModuleExports */: + addNodeWithRecursiveChild(node, node.right); + return; + case 6 /* AssignmentDeclarationKind.Prototype */: + case 3 /* AssignmentDeclarationKind.PrototypeProperty */: { + var binaryExpression = node; + var assignmentTarget = binaryExpression.left; + var prototypeAccess = special === 3 /* AssignmentDeclarationKind.PrototypeProperty */ ? + assignmentTarget.expression : + assignmentTarget; + var depth = 0; + var className = void 0; + // If we see a prototype assignment, start tracking the target as a class + // This is only done for simple classes not nested assignments. + if (ts.isIdentifier(prototypeAccess.expression)) { + addTrackedEs5Class(prototypeAccess.expression.text); + className = prototypeAccess.expression; + } + else { + _a = startNestedNodes(binaryExpression, prototypeAccess.expression), depth = _a[0], className = _a[1]; + } + if (special === 6 /* AssignmentDeclarationKind.Prototype */) { + if (ts.isObjectLiteralExpression(binaryExpression.right)) { + if (binaryExpression.right.properties.length > 0) { + startNode(binaryExpression, className); + ts.forEachChild(binaryExpression.right, addChildrenRecursively); + endNode(); + } + } + } + else if (ts.isFunctionExpression(binaryExpression.right) || ts.isArrowFunction(binaryExpression.right)) { + addNodeWithRecursiveChild(node, binaryExpression.right, className); + } + else { + startNode(binaryExpression, className); + addNodeWithRecursiveChild(node, binaryExpression.right, assignmentTarget.name); + endNode(); + } + endNestedNodes(depth); + return; + } + case 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */: + case 9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */: { + var defineCall = node; + var className = special === 7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */ ? + defineCall.arguments[0] : + defineCall.arguments[0].expression; + var memberName = defineCall.arguments[1]; + var _j = startNestedNodes(node, className), depth = _j[0], classNameIdentifier = _j[1]; + startNode(node, classNameIdentifier); + startNode(node, ts.setTextRange(ts.factory.createIdentifier(memberName.text), memberName)); + addChildrenRecursively(node.arguments[2]); + endNode(); + endNode(); + endNestedNodes(depth); + return; + } + case 5 /* AssignmentDeclarationKind.Property */: { + var binaryExpression = node; + var assignmentTarget = binaryExpression.left; + var targetFunction = assignmentTarget.expression; + if (ts.isIdentifier(targetFunction) && ts.getElementOrPropertyAccessName(assignmentTarget) !== "prototype" && + trackedEs5Classes && trackedEs5Classes.has(targetFunction.text)) { + if (ts.isFunctionExpression(binaryExpression.right) || ts.isArrowFunction(binaryExpression.right)) { + addNodeWithRecursiveChild(node, binaryExpression.right, targetFunction); + } + else if (ts.isBindableStaticAccessExpression(assignmentTarget)) { + startNode(binaryExpression, targetFunction); + addNodeWithRecursiveChild(binaryExpression.left, binaryExpression.right, ts.getNameOrArgument(assignmentTarget)); + endNode(); + } + return; + } + break; + } + case 4 /* AssignmentDeclarationKind.ThisProperty */: + case 0 /* AssignmentDeclarationKind.None */: + case 8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */: + break; + default: + ts.Debug.assertNever(special); + } + } + // falls through + default: + if (ts.hasJSDocNodes(node)) { + ts.forEach(node.jsDoc, function (jsDoc) { + ts.forEach(jsDoc.tags, function (tag) { + if (ts.isJSDocTypeAlias(tag)) { + addLeafNode(tag); + } + }); + }); + } + ts.forEachChild(node, addChildrenRecursively); + } + } + /** Merge declarations of the same kind. */ + function mergeChildren(children, node) { + var nameToItems = new ts.Map(); + ts.filterMutate(children, function (child, index) { + var declName = child.name || ts.getNameOfDeclaration(child.node); + var name = declName && nodeText(declName); + if (!name) { + // Anonymous items are never merged. + return true; + } + var itemsWithSameName = nameToItems.get(name); + if (!itemsWithSameName) { + nameToItems.set(name, child); + return true; + } + if (itemsWithSameName instanceof Array) { + for (var _i = 0, itemsWithSameName_1 = itemsWithSameName; _i < itemsWithSameName_1.length; _i++) { + var itemWithSameName = itemsWithSameName_1[_i]; + if (tryMerge(itemWithSameName, child, index, node)) { + return false; + } + } + itemsWithSameName.push(child); + return true; + } + else { + var itemWithSameName = itemsWithSameName; + if (tryMerge(itemWithSameName, child, index, node)) { + return false; + } + nameToItems.set(name, [itemWithSameName, child]); + return true; + } + }); + } + var isEs5ClassMember = (_a = {}, + _a[5 /* AssignmentDeclarationKind.Property */] = true, + _a[3 /* AssignmentDeclarationKind.PrototypeProperty */] = true, + _a[7 /* AssignmentDeclarationKind.ObjectDefinePropertyValue */] = true, + _a[9 /* AssignmentDeclarationKind.ObjectDefinePrototypeProperty */] = true, + _a[0 /* AssignmentDeclarationKind.None */] = false, + _a[1 /* AssignmentDeclarationKind.ExportsProperty */] = false, + _a[2 /* AssignmentDeclarationKind.ModuleExports */] = false, + _a[8 /* AssignmentDeclarationKind.ObjectDefinePropertyExports */] = false, + _a[6 /* AssignmentDeclarationKind.Prototype */] = true, + _a[4 /* AssignmentDeclarationKind.ThisProperty */] = false, + _a); + function tryMergeEs5Class(a, b, bIndex, parent) { + function isPossibleConstructor(node) { + return ts.isFunctionExpression(node) || ts.isFunctionDeclaration(node) || ts.isVariableDeclaration(node); + } + var bAssignmentDeclarationKind = ts.isBinaryExpression(b.node) || ts.isCallExpression(b.node) ? + ts.getAssignmentDeclarationKind(b.node) : + 0 /* AssignmentDeclarationKind.None */; + var aAssignmentDeclarationKind = ts.isBinaryExpression(a.node) || ts.isCallExpression(a.node) ? + ts.getAssignmentDeclarationKind(a.node) : + 0 /* AssignmentDeclarationKind.None */; + // We treat this as an es5 class and merge the nodes in in one of several cases + if ((isEs5ClassMember[bAssignmentDeclarationKind] && isEs5ClassMember[aAssignmentDeclarationKind]) // merge two class elements + || (isPossibleConstructor(a.node) && isEs5ClassMember[bAssignmentDeclarationKind]) // ctor function & member + || (isPossibleConstructor(b.node) && isEs5ClassMember[aAssignmentDeclarationKind]) // member & ctor function + || (ts.isClassDeclaration(a.node) && isSynthesized(a.node) && isEs5ClassMember[bAssignmentDeclarationKind]) // class (generated) & member + || (ts.isClassDeclaration(b.node) && isEs5ClassMember[aAssignmentDeclarationKind]) // member & class (generated) + || (ts.isClassDeclaration(a.node) && isSynthesized(a.node) && isPossibleConstructor(b.node)) // class (generated) & ctor + || (ts.isClassDeclaration(b.node) && isPossibleConstructor(a.node) && isSynthesized(a.node)) // ctor & class (generated) + ) { + var lastANode = a.additionalNodes && ts.lastOrUndefined(a.additionalNodes) || a.node; + if ((!ts.isClassDeclaration(a.node) && !ts.isClassDeclaration(b.node)) // If neither outline node is a class + || isPossibleConstructor(a.node) || isPossibleConstructor(b.node) // If either function is a constructor function + ) { + var ctorFunction = isPossibleConstructor(a.node) ? a.node : + isPossibleConstructor(b.node) ? b.node : + undefined; + if (ctorFunction !== undefined) { + var ctorNode = ts.setTextRange(ts.factory.createConstructorDeclaration(/* decorators */ undefined, /* modifiers */ undefined, [], /* body */ undefined), ctorFunction); + var ctor = emptyNavigationBarNode(ctorNode); + ctor.indent = a.indent + 1; + ctor.children = a.node === ctorFunction ? a.children : b.children; + a.children = a.node === ctorFunction ? ts.concatenate([ctor], b.children || [b]) : ts.concatenate(a.children || [__assign({}, a)], [ctor]); + } + else { + if (a.children || b.children) { + a.children = ts.concatenate(a.children || [__assign({}, a)], b.children || [b]); + if (a.children) { + mergeChildren(a.children, a); + sortChildren(a.children); + } + } + } + lastANode = a.node = ts.setTextRange(ts.factory.createClassDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, a.name || ts.factory.createIdentifier("__class__"), + /* typeParameters */ undefined, + /* heritageClauses */ undefined, []), a.node); + } + else { + a.children = ts.concatenate(a.children, b.children); + if (a.children) { + mergeChildren(a.children, a); + } + } + var bNode = b.node; + // We merge if the outline node previous to b (bIndex - 1) is already part of the current class + // We do this so that statements between class members that do not generate outline nodes do not split up the class outline: + // Ex This should produce one outline node C: + // function C() {}; a = 1; C.prototype.m = function () {} + // Ex This will produce 3 outline nodes: C, a, C + // function C() {}; let a = 1; C.prototype.m = function () {} + if (parent.children[bIndex - 1].node.end === lastANode.end) { + ts.setTextRange(lastANode, { pos: lastANode.pos, end: bNode.end }); + } + else { + if (!a.additionalNodes) + a.additionalNodes = []; + a.additionalNodes.push(ts.setTextRange(ts.factory.createClassDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, a.name || ts.factory.createIdentifier("__class__"), + /* typeParameters */ undefined, + /* heritageClauses */ undefined, []), b.node)); + } + return true; + } + return bAssignmentDeclarationKind === 0 /* AssignmentDeclarationKind.None */ ? false : true; + } + function tryMerge(a, b, bIndex, parent) { + // const v = false as boolean; + if (tryMergeEs5Class(a, b, bIndex, parent)) { + return true; + } + if (shouldReallyMerge(a.node, b.node, parent)) { + merge(a, b); + return true; + } + return false; + } + /** a and b have the same name, but they may not be mergeable. */ + function shouldReallyMerge(a, b, parent) { + if (a.kind !== b.kind || a.parent !== b.parent && !(isOwnChild(a, parent) && isOwnChild(b, parent))) { + return false; + } + switch (a.kind) { + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return ts.isStatic(a) === ts.isStatic(b); + case 261 /* SyntaxKind.ModuleDeclaration */: + return areSameModule(a, b) + && getFullyQualifiedModuleName(a) === getFullyQualifiedModuleName(b); + default: + return true; + } + } + function isSynthesized(node) { + return !!(node.flags & 8 /* NodeFlags.Synthesized */); + } + // We want to merge own children like `I` in in `module A { interface I {} } module A { interface I {} }` + // We don't want to merge unrelated children like `m` in `const o = { a: { m() {} }, b: { m() {} } };` + function isOwnChild(n, parent) { + var par = ts.isModuleBlock(n.parent) ? n.parent.parent : n.parent; + return par === parent.node || ts.contains(parent.additionalNodes, par); + } + // We use 1 NavNode to represent 'A.B.C', but there are multiple source nodes. + // Only merge module nodes that have the same chain. Don't merge 'A.B.C' with 'A'! + function areSameModule(a, b) { + if (!a.body || !b.body) { + return a.body === b.body; + } + return a.body.kind === b.body.kind && (a.body.kind !== 261 /* SyntaxKind.ModuleDeclaration */ || areSameModule(a.body, b.body)); + } + /** Merge source into target. Source should be thrown away after this is called. */ + function merge(target, source) { + var _a; + target.additionalNodes = target.additionalNodes || []; + target.additionalNodes.push(source.node); + if (source.additionalNodes) { + (_a = target.additionalNodes).push.apply(_a, source.additionalNodes); + } + target.children = ts.concatenate(target.children, source.children); + if (target.children) { + mergeChildren(target.children, target); + sortChildren(target.children); + } + } + /** Recursively ensure that each NavNode's children are in sorted order. */ + function sortChildren(children) { + children.sort(compareChildren); + } + function compareChildren(child1, child2) { + return ts.compareStringsCaseSensitiveUI(tryGetName(child1.node), tryGetName(child2.node)) // TODO: GH#18217 + || ts.compareValues(navigationBarNodeKind(child1), navigationBarNodeKind(child2)); + } + /** + * This differs from getItemName because this is just used for sorting. + * We only sort nodes by name that have a more-or-less "direct" name, as opposed to `new()` and the like. + * So `new()` can still come before an `aardvark` method. + */ + function tryGetName(node) { + if (node.kind === 261 /* SyntaxKind.ModuleDeclaration */) { + return getModuleName(node); + } + var declName = ts.getNameOfDeclaration(node); + if (declName && ts.isPropertyName(declName)) { + var propertyName = ts.getPropertyNameForPropertyNameNode(declName); + return propertyName && ts.unescapeLeadingUnderscores(propertyName); + } + switch (node.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 226 /* SyntaxKind.ClassExpression */: + return getFunctionOrClassName(node); + default: + return undefined; + } + } + function getItemName(node, name) { + if (node.kind === 261 /* SyntaxKind.ModuleDeclaration */) { + return cleanText(getModuleName(node)); + } + if (name) { + var text = ts.isIdentifier(name) ? name.text + : ts.isElementAccessExpression(name) ? "[".concat(nodeText(name.argumentExpression), "]") + : nodeText(name); + if (text.length > 0) { + return cleanText(text); + } + } + switch (node.kind) { + case 305 /* SyntaxKind.SourceFile */: + var sourceFile = node; + return ts.isExternalModule(sourceFile) + ? "\"".concat(ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(sourceFile.fileName)))), "\"") + : ""; + case 271 /* SyntaxKind.ExportAssignment */: + return ts.isExportAssignment(node) && node.isExportEquals ? "export=" /* InternalSymbolName.ExportEquals */ : "default" /* InternalSymbolName.Default */; + case 214 /* SyntaxKind.ArrowFunction */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + if (ts.getSyntacticModifierFlags(node) & 512 /* ModifierFlags.Default */) { + return "default"; + } + // We may get a string with newlines or other whitespace in the case of an object dereference + // (eg: "app\n.onactivated"), so we should remove the whitespace for readability in the + // navigation bar. + return getFunctionOrClassName(node); + case 171 /* SyntaxKind.Constructor */: + return "constructor"; + case 175 /* SyntaxKind.ConstructSignature */: + return "new()"; + case 174 /* SyntaxKind.CallSignature */: + return "()"; + case 176 /* SyntaxKind.IndexSignature */: + return "[]"; + default: + return ""; + } + } + /** Flattens the NavNode tree to a list of items to appear in the primary navbar menu. */ + function primaryNavBarMenuItems(root) { + // The primary (middle) navbar menu displays the general code navigation hierarchy, similar to the navtree. + // The secondary (right) navbar menu displays the child items of whichever primary item is selected. + // Some less interesting items without their own child navigation items (e.g. a local variable declaration) only show up in the secondary menu. + var primaryNavBarMenuItems = []; + function recur(item) { + if (shouldAppearInPrimaryNavBarMenu(item)) { + primaryNavBarMenuItems.push(item); + if (item.children) { + for (var _i = 0, _a = item.children; _i < _a.length; _i++) { + var child = _a[_i]; + recur(child); + } + } + } + } + recur(root); + return primaryNavBarMenuItems; + /** Determines if a node should appear in the primary navbar menu. */ + function shouldAppearInPrimaryNavBarMenu(item) { + // Items with children should always appear in the primary navbar menu. + if (item.children) { + return true; + } + // Some nodes are otherwise important enough to always include in the primary navigation menu. + switch (navigationBarNodeKind(item)) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 305 /* SyntaxKind.SourceFile */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + return true; + case 214 /* SyntaxKind.ArrowFunction */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + return isTopLevelFunctionDeclaration(item); + default: + return false; + } + function isTopLevelFunctionDeclaration(item) { + if (!item.node.body) { + return false; + } + switch (navigationBarNodeKind(item.parent)) { + case 262 /* SyntaxKind.ModuleBlock */: + case 305 /* SyntaxKind.SourceFile */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + return true; + default: + return false; + } + } + } + } + function convertToTree(n) { + return { + text: getItemName(n.node, n.name), + kind: ts.getNodeKind(n.node), + kindModifiers: getModifiers(n.node), + spans: getSpans(n), + nameSpan: n.name && getNodeSpan(n.name), + childItems: ts.map(n.children, convertToTree) + }; + } + function convertToPrimaryNavBarMenuItem(n) { + return { + text: getItemName(n.node, n.name), + kind: ts.getNodeKind(n.node), + kindModifiers: getModifiers(n.node), + spans: getSpans(n), + childItems: ts.map(n.children, convertToSecondaryNavBarMenuItem) || emptyChildItemArray, + indent: n.indent, + bolded: false, + grayed: false + }; + function convertToSecondaryNavBarMenuItem(n) { + return { + text: getItemName(n.node, n.name), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: emptyChildItemArray, + indent: 0, + bolded: false, + grayed: false + }; + } + } + function getSpans(n) { + var spans = [getNodeSpan(n.node)]; + if (n.additionalNodes) { + for (var _i = 0, _a = n.additionalNodes; _i < _a.length; _i++) { + var node = _a[_i]; + spans.push(getNodeSpan(node)); + } + } + return spans; + } + function getModuleName(moduleDeclaration) { + // We want to maintain quotation marks. + if (ts.isAmbientModule(moduleDeclaration)) { + return ts.getTextOfNode(moduleDeclaration.name); + } + return getFullyQualifiedModuleName(moduleDeclaration); + } + function getFullyQualifiedModuleName(moduleDeclaration) { + // Otherwise, we need to aggregate each identifier to build up the qualified name. + var result = [ts.getTextOfIdentifierOrLiteral(moduleDeclaration.name)]; + while (moduleDeclaration.body && moduleDeclaration.body.kind === 261 /* SyntaxKind.ModuleDeclaration */) { + moduleDeclaration = moduleDeclaration.body; + result.push(ts.getTextOfIdentifierOrLiteral(moduleDeclaration.name)); + } + return result.join("."); + } + /** + * For 'module A.B.C', we want to get the node for 'C'. + * We store 'A' as associated with a NavNode, and use getModuleName to traverse down again. + */ + function getInteriorModule(decl) { + return decl.body && ts.isModuleDeclaration(decl.body) ? getInteriorModule(decl.body) : decl; + } + function isComputedProperty(member) { + return !member.name || member.name.kind === 162 /* SyntaxKind.ComputedPropertyName */; + } + function getNodeSpan(node) { + return node.kind === 305 /* SyntaxKind.SourceFile */ ? ts.createTextSpanFromRange(node) : ts.createTextSpanFromNode(node, curSourceFile); + } + function getModifiers(node) { + if (node.parent && node.parent.kind === 254 /* SyntaxKind.VariableDeclaration */) { + node = node.parent; + } + return ts.getNodeModifiers(node); + } + function getFunctionOrClassName(node) { + var parent = node.parent; + if (node.name && ts.getFullWidth(node.name) > 0) { + return cleanText(ts.declarationNameToString(node.name)); + } + // See if it is a var initializer. If so, use the var name. + else if (ts.isVariableDeclaration(parent)) { + return cleanText(ts.declarationNameToString(parent.name)); + } + // See if it is of the form " = function(){...}". If so, use the text from the left-hand side. + else if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + return nodeText(parent.left).replace(whiteSpaceRegex, ""); + } + // See if it is a property assignment, and if so use the property name + else if (ts.isPropertyAssignment(parent)) { + return nodeText(parent.name); + } + // Default exports are named "default" + else if (ts.getSyntacticModifierFlags(node) & 512 /* ModifierFlags.Default */) { + return "default"; + } + else if (ts.isClassLike(node)) { + return ""; + } + else if (ts.isCallExpression(parent)) { + var name = getCalledExpressionName(parent.expression); + if (name !== undefined) { + name = cleanText(name); + if (name.length > maxLength) { + return "".concat(name, " callback"); + } + var args = cleanText(ts.mapDefined(parent.arguments, function (a) { return ts.isStringLiteralLike(a) ? a.getText(curSourceFile) : undefined; }).join(", ")); + return "".concat(name, "(").concat(args, ") callback"); + } + } + return ""; + } + // See also 'tryGetPropertyAccessOrIdentifierToString' + function getCalledExpressionName(expr) { + if (ts.isIdentifier(expr)) { + return expr.text; + } + else if (ts.isPropertyAccessExpression(expr)) { + var left = getCalledExpressionName(expr.expression); + var right = expr.name.text; + return left === undefined ? right : "".concat(left, ".").concat(right); + } + else { + return undefined; + } + } + function isFunctionOrClassExpression(node) { + switch (node.kind) { + case 214 /* SyntaxKind.ArrowFunction */: + case 213 /* SyntaxKind.FunctionExpression */: + case 226 /* SyntaxKind.ClassExpression */: + return true; + default: + return false; + } + } + function cleanText(text) { + // Truncate to maximum amount of characters as we don't want to do a big replace operation. + text = text.length > maxLength ? text.substring(0, maxLength) + "..." : text; + // Replaces ECMAScript line terminators and removes the trailing `\` from each line: + // \n - Line Feed + // \r - Carriage Return + // \u2028 - Line separator + // \u2029 - Paragraph separator + return text.replace(/\\?(\r?\n|\r|\u2028|\u2029)/g, ""); + } + })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var OrganizeImports; + (function (OrganizeImports) { + /** + * Organize imports by: + * 1) Removing unused imports + * 2) Coalescing imports from the same module + * 3) Sorting imports + */ + function organizeImports(sourceFile, formatContext, host, program, preferences, skipDestructiveCodeActions) { + var changeTracker = ts.textChanges.ChangeTracker.fromContext({ host: host, formatContext: formatContext, preferences: preferences }); + var coalesceAndOrganizeImports = function (importGroup) { return ts.stableSort(coalesceImports(removeUnusedImports(importGroup, sourceFile, program, skipDestructiveCodeActions)), function (s1, s2) { return compareImportsOrRequireStatements(s1, s2); }); }; + // All of the old ImportDeclarations in the file, in syntactic order. + var topLevelImportGroupDecls = groupImportsByNewlineContiguous(sourceFile, sourceFile.statements.filter(ts.isImportDeclaration)); + topLevelImportGroupDecls.forEach(function (importGroupDecl) { return organizeImportsWorker(importGroupDecl, coalesceAndOrganizeImports); }); + // All of the old ExportDeclarations in the file, in syntactic order. + var topLevelExportDecls = sourceFile.statements.filter(ts.isExportDeclaration); + organizeImportsWorker(topLevelExportDecls, coalesceExports); + for (var _i = 0, _a = sourceFile.statements.filter(ts.isAmbientModule); _i < _a.length; _i++) { + var ambientModule = _a[_i]; + if (!ambientModule.body) + continue; + var ambientModuleImportGroupDecls = groupImportsByNewlineContiguous(sourceFile, ambientModule.body.statements.filter(ts.isImportDeclaration)); + ambientModuleImportGroupDecls.forEach(function (importGroupDecl) { return organizeImportsWorker(importGroupDecl, coalesceAndOrganizeImports); }); + var ambientModuleExportDecls = ambientModule.body.statements.filter(ts.isExportDeclaration); + organizeImportsWorker(ambientModuleExportDecls, coalesceExports); + } + return changeTracker.getChanges(); + function organizeImportsWorker(oldImportDecls, coalesce) { + if (ts.length(oldImportDecls) === 0) { + return; + } + // Special case: normally, we'd expect leading and trailing trivia to follow each import + // around as it's sorted. However, we do not want this to happen for leading trivia + // on the first import because it is probably the header comment for the file. + // Consider: we could do a more careful check that this trivia is actually a header, + // but the consequences of being wrong are very minor. + ts.suppressLeadingTrivia(oldImportDecls[0]); + var oldImportGroups = ts.group(oldImportDecls, function (importDecl) { return getExternalModuleName(importDecl.moduleSpecifier); }); + var sortedImportGroups = ts.stableSort(oldImportGroups, function (group1, group2) { return compareModuleSpecifiers(group1[0].moduleSpecifier, group2[0].moduleSpecifier); }); + var newImportDecls = ts.flatMap(sortedImportGroups, function (importGroup) { + return getExternalModuleName(importGroup[0].moduleSpecifier) + ? coalesce(importGroup) + : importGroup; + }); + // Delete all nodes if there are no imports. + if (newImportDecls.length === 0) { + // Consider the first node to have trailingTrivia as we want to exclude the + // "header" comment. + changeTracker.deleteNodes(sourceFile, oldImportDecls, { + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include, + }, /*hasTrailingComment*/ true); + } + else { + // Note: Delete the surrounding trivia because it will have been retained in newImportDecls. + var replaceOptions = { + leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude, + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include, + suffix: ts.getNewLineOrDefaultFromHost(host, formatContext.options), + }; + changeTracker.replaceNodeWithNodes(sourceFile, oldImportDecls[0], newImportDecls, replaceOptions); + var hasTrailingComment = changeTracker.nodeHasTrailingComment(sourceFile, oldImportDecls[0], replaceOptions); + changeTracker.deleteNodes(sourceFile, oldImportDecls.slice(1), { + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include, + }, hasTrailingComment); + } + } + } + OrganizeImports.organizeImports = organizeImports; + function groupImportsByNewlineContiguous(sourceFile, importDecls) { + var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ false, sourceFile.languageVariant); + var groupImports = []; + var groupIndex = 0; + for (var _i = 0, importDecls_1 = importDecls; _i < importDecls_1.length; _i++) { + var topLevelImportDecl = importDecls_1[_i]; + if (isNewGroup(sourceFile, topLevelImportDecl, scanner)) { + groupIndex++; + } + if (!groupImports[groupIndex]) { + groupImports[groupIndex] = []; + } + groupImports[groupIndex].push(topLevelImportDecl); + } + return groupImports; + } + // a new group is created if an import includes at least two new line + // new line from multi-line comment doesn't count + function isNewGroup(sourceFile, topLevelImportDecl, scanner) { + var startPos = topLevelImportDecl.getFullStart(); + var endPos = topLevelImportDecl.getStart(); + scanner.setText(sourceFile.text, startPos, endPos - startPos); + var numberOfNewLines = 0; + while (scanner.getTokenPos() < endPos) { + var tokenKind = scanner.scan(); + if (tokenKind === 4 /* SyntaxKind.NewLineTrivia */) { + numberOfNewLines++; + if (numberOfNewLines >= 2) { + return true; + } + } + } + return false; + } + function removeUnusedImports(oldImports, sourceFile, program, skipDestructiveCodeActions) { + // As a precaution, consider unused import detection to be destructive (GH #43051) + if (skipDestructiveCodeActions) { + return oldImports; + } + var typeChecker = program.getTypeChecker(); + var compilerOptions = program.getCompilerOptions(); + var jsxNamespace = typeChecker.getJsxNamespace(sourceFile); + var jsxFragmentFactory = typeChecker.getJsxFragmentFactory(sourceFile); + var jsxElementsPresent = !!(sourceFile.transformFlags & 2 /* TransformFlags.ContainsJsx */); + var usedImports = []; + for (var _i = 0, oldImports_1 = oldImports; _i < oldImports_1.length; _i++) { + var importDecl = oldImports_1[_i]; + var importClause = importDecl.importClause, moduleSpecifier = importDecl.moduleSpecifier; + if (!importClause) { + // Imports without import clauses are assumed to be included for their side effects and are not removed. + usedImports.push(importDecl); + continue; + } + var name = importClause.name, namedBindings = importClause.namedBindings; + // Default import + if (name && !isDeclarationUsed(name)) { + name = undefined; + } + if (namedBindings) { + if (ts.isNamespaceImport(namedBindings)) { + // Namespace import + if (!isDeclarationUsed(namedBindings.name)) { + namedBindings = undefined; + } + } + else { + // List of named imports + var newElements = namedBindings.elements.filter(function (e) { return isDeclarationUsed(e.name); }); + if (newElements.length < namedBindings.elements.length) { + namedBindings = newElements.length + ? ts.factory.updateNamedImports(namedBindings, newElements) + : undefined; + } + } + } + if (name || namedBindings) { + usedImports.push(updateImportDeclarationAndClause(importDecl, name, namedBindings)); + } + // If a module is imported to be augmented, it’s used + else if (hasModuleDeclarationMatchingSpecifier(sourceFile, moduleSpecifier)) { + // If we’re in a declaration file, it’s safe to remove the import clause from it + if (sourceFile.isDeclarationFile) { + usedImports.push(ts.factory.createImportDeclaration(importDecl.decorators, importDecl.modifiers, + /*importClause*/ undefined, moduleSpecifier, + /*assertClause*/ undefined)); + } + // If we’re not in a declaration file, we can’t remove the import clause even though + // the imported symbols are unused, because removing them makes it look like the import + // declaration has side effects, which will cause it to be preserved in the JS emit. + else { + usedImports.push(importDecl); + } + } + } + return usedImports; + function isDeclarationUsed(identifier) { + // The JSX factory symbol is always used if JSX elements are present - even if they are not allowed. + return jsxElementsPresent && (identifier.text === jsxNamespace || jsxFragmentFactory && identifier.text === jsxFragmentFactory) && ts.jsxModeNeedsExplicitImport(compilerOptions.jsx) || + ts.FindAllReferences.Core.isSymbolReferencedInFile(identifier, typeChecker, sourceFile); + } + } + function hasModuleDeclarationMatchingSpecifier(sourceFile, moduleSpecifier) { + var moduleSpecifierText = ts.isStringLiteral(moduleSpecifier) && moduleSpecifier.text; + return ts.isString(moduleSpecifierText) && ts.some(sourceFile.moduleAugmentations, function (moduleName) { + return ts.isStringLiteral(moduleName) + && moduleName.text === moduleSpecifierText; + }); + } + function getExternalModuleName(specifier) { + return specifier !== undefined && ts.isStringLiteralLike(specifier) + ? specifier.text + : undefined; + } + // Internal for testing + /** + * @param importGroup a list of ImportDeclarations, all with the same module name. + */ + function coalesceImports(importGroup) { + var _a; + if (importGroup.length === 0) { + return importGroup; + } + var _b = getCategorizedImports(importGroup), importWithoutClause = _b.importWithoutClause, typeOnlyImports = _b.typeOnlyImports, regularImports = _b.regularImports; + var coalescedImports = []; + if (importWithoutClause) { + coalescedImports.push(importWithoutClause); + } + for (var _i = 0, _c = [regularImports, typeOnlyImports]; _i < _c.length; _i++) { + var group_2 = _c[_i]; + var isTypeOnly = group_2 === typeOnlyImports; + var defaultImports = group_2.defaultImports, namespaceImports = group_2.namespaceImports, namedImports = group_2.namedImports; + // Normally, we don't combine default and namespace imports, but it would be silly to + // produce two import declarations in this special case. + if (!isTypeOnly && defaultImports.length === 1 && namespaceImports.length === 1 && namedImports.length === 0) { + // Add the namespace import to the existing default ImportDeclaration. + var defaultImport = defaultImports[0]; + coalescedImports.push(updateImportDeclarationAndClause(defaultImport, defaultImport.importClause.name, namespaceImports[0].importClause.namedBindings)); // TODO: GH#18217 + continue; + } + var sortedNamespaceImports = ts.stableSort(namespaceImports, function (i1, i2) { + return compareIdentifiers(i1.importClause.namedBindings.name, i2.importClause.namedBindings.name); + }); // TODO: GH#18217 + for (var _d = 0, sortedNamespaceImports_1 = sortedNamespaceImports; _d < sortedNamespaceImports_1.length; _d++) { + var namespaceImport = sortedNamespaceImports_1[_d]; + // Drop the name, if any + coalescedImports.push(updateImportDeclarationAndClause(namespaceImport, /*name*/ undefined, namespaceImport.importClause.namedBindings)); // TODO: GH#18217 + } + if (defaultImports.length === 0 && namedImports.length === 0) { + continue; + } + var newDefaultImport = void 0; + var newImportSpecifiers = []; + if (defaultImports.length === 1) { + newDefaultImport = defaultImports[0].importClause.name; + } + else { + for (var _e = 0, defaultImports_1 = defaultImports; _e < defaultImports_1.length; _e++) { + var defaultImport = defaultImports_1[_e]; + newImportSpecifiers.push(ts.factory.createImportSpecifier(/*isTypeOnly*/ false, ts.factory.createIdentifier("default"), defaultImport.importClause.name)); // TODO: GH#18217 + } + } + newImportSpecifiers.push.apply(newImportSpecifiers, getNewImportSpecifiers(namedImports)); + var sortedImportSpecifiers = sortSpecifiers(newImportSpecifiers); + var importDecl = defaultImports.length > 0 + ? defaultImports[0] + : namedImports[0]; + var newNamedImports = sortedImportSpecifiers.length === 0 + ? newDefaultImport + ? undefined + : ts.factory.createNamedImports(ts.emptyArray) + : namedImports.length === 0 + ? ts.factory.createNamedImports(sortedImportSpecifiers) + : ts.factory.updateNamedImports(namedImports[0].importClause.namedBindings, sortedImportSpecifiers); // TODO: GH#18217 + // Type-only imports are not allowed to mix default, namespace, and named imports in any combination. + // We could rewrite a default import as a named import (`import { default as name }`), but we currently + // choose not to as a stylistic preference. + if (isTypeOnly && newDefaultImport && newNamedImports) { + coalescedImports.push(updateImportDeclarationAndClause(importDecl, newDefaultImport, /*namedBindings*/ undefined)); + coalescedImports.push(updateImportDeclarationAndClause((_a = namedImports[0]) !== null && _a !== void 0 ? _a : importDecl, /*name*/ undefined, newNamedImports)); + } + else { + coalescedImports.push(updateImportDeclarationAndClause(importDecl, newDefaultImport, newNamedImports)); + } + } + return coalescedImports; + } + OrganizeImports.coalesceImports = coalesceImports; + /* + * Returns entire import declarations because they may already have been rewritten and + * may lack parent pointers. The desired parts can easily be recovered based on the + * categorization. + * + * NB: There may be overlap between `defaultImports` and `namespaceImports`/`namedImports`. + */ + function getCategorizedImports(importGroup) { + var importWithoutClause; + var typeOnlyImports = { defaultImports: [], namespaceImports: [], namedImports: [] }; + var regularImports = { defaultImports: [], namespaceImports: [], namedImports: [] }; + for (var _i = 0, importGroup_1 = importGroup; _i < importGroup_1.length; _i++) { + var importDeclaration = importGroup_1[_i]; + if (importDeclaration.importClause === undefined) { + // Only the first such import is interesting - the others are redundant. + // Note: Unfortunately, we will lose trivia that was on this node. + importWithoutClause = importWithoutClause || importDeclaration; + continue; + } + var group_3 = importDeclaration.importClause.isTypeOnly ? typeOnlyImports : regularImports; + var _a = importDeclaration.importClause, name = _a.name, namedBindings = _a.namedBindings; + if (name) { + group_3.defaultImports.push(importDeclaration); + } + if (namedBindings) { + if (ts.isNamespaceImport(namedBindings)) { + group_3.namespaceImports.push(importDeclaration); + } + else { + group_3.namedImports.push(importDeclaration); + } + } + } + return { + importWithoutClause: importWithoutClause, + typeOnlyImports: typeOnlyImports, + regularImports: regularImports, + }; + } + // Internal for testing + /** + * @param exportGroup a list of ExportDeclarations, all with the same module name. + */ + function coalesceExports(exportGroup) { + if (exportGroup.length === 0) { + return exportGroup; + } + var _a = getCategorizedExports(exportGroup), exportWithoutClause = _a.exportWithoutClause, namedExports = _a.namedExports, typeOnlyExports = _a.typeOnlyExports; + var coalescedExports = []; + if (exportWithoutClause) { + coalescedExports.push(exportWithoutClause); + } + for (var _i = 0, _b = [namedExports, typeOnlyExports]; _i < _b.length; _i++) { + var exportGroup_1 = _b[_i]; + if (exportGroup_1.length === 0) { + continue; + } + var newExportSpecifiers = []; + newExportSpecifiers.push.apply(newExportSpecifiers, ts.flatMap(exportGroup_1, function (i) { return i.exportClause && ts.isNamedExports(i.exportClause) ? i.exportClause.elements : ts.emptyArray; })); + var sortedExportSpecifiers = sortSpecifiers(newExportSpecifiers); + var exportDecl = exportGroup_1[0]; + coalescedExports.push(ts.factory.updateExportDeclaration(exportDecl, exportDecl.decorators, exportDecl.modifiers, exportDecl.isTypeOnly, exportDecl.exportClause && (ts.isNamedExports(exportDecl.exportClause) ? + ts.factory.updateNamedExports(exportDecl.exportClause, sortedExportSpecifiers) : + ts.factory.updateNamespaceExport(exportDecl.exportClause, exportDecl.exportClause.name)), exportDecl.moduleSpecifier, exportDecl.assertClause)); + } + return coalescedExports; + /* + * Returns entire export declarations because they may already have been rewritten and + * may lack parent pointers. The desired parts can easily be recovered based on the + * categorization. + */ + function getCategorizedExports(exportGroup) { + var exportWithoutClause; + var namedExports = []; + var typeOnlyExports = []; + for (var _i = 0, exportGroup_2 = exportGroup; _i < exportGroup_2.length; _i++) { + var exportDeclaration = exportGroup_2[_i]; + if (exportDeclaration.exportClause === undefined) { + // Only the first such export is interesting - the others are redundant. + // Note: Unfortunately, we will lose trivia that was on this node. + exportWithoutClause = exportWithoutClause || exportDeclaration; + } + else if (exportDeclaration.isTypeOnly) { + typeOnlyExports.push(exportDeclaration); + } + else { + namedExports.push(exportDeclaration); + } + } + return { + exportWithoutClause: exportWithoutClause, + namedExports: namedExports, + typeOnlyExports: typeOnlyExports, + }; + } + } + OrganizeImports.coalesceExports = coalesceExports; + function updateImportDeclarationAndClause(importDeclaration, name, namedBindings) { + return ts.factory.updateImportDeclaration(importDeclaration, importDeclaration.decorators, importDeclaration.modifiers, ts.factory.updateImportClause(importDeclaration.importClause, importDeclaration.importClause.isTypeOnly, name, namedBindings), // TODO: GH#18217 + importDeclaration.moduleSpecifier, importDeclaration.assertClause); + } + function sortSpecifiers(specifiers) { + return ts.stableSort(specifiers, compareImportOrExportSpecifiers); + } + function compareImportOrExportSpecifiers(s1, s2) { + return ts.compareBooleans(s1.isTypeOnly, s2.isTypeOnly) + || compareIdentifiers(s1.propertyName || s1.name, s2.propertyName || s2.name) + || compareIdentifiers(s1.name, s2.name); + } + OrganizeImports.compareImportOrExportSpecifiers = compareImportOrExportSpecifiers; + /* internal */ // Exported for testing + function compareModuleSpecifiers(m1, m2) { + var name1 = m1 === undefined ? undefined : getExternalModuleName(m1); + var name2 = m2 === undefined ? undefined : getExternalModuleName(m2); + return ts.compareBooleans(name1 === undefined, name2 === undefined) || + ts.compareBooleans(ts.isExternalModuleNameRelative(name1), ts.isExternalModuleNameRelative(name2)) || + ts.compareStringsCaseInsensitive(name1, name2); + } + OrganizeImports.compareModuleSpecifiers = compareModuleSpecifiers; + function compareIdentifiers(s1, s2) { + return ts.compareStringsCaseInsensitive(s1.text, s2.text); + } + function getModuleSpecifierExpression(declaration) { + var _a; + switch (declaration.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return (_a = ts.tryCast(declaration.moduleReference, ts.isExternalModuleReference)) === null || _a === void 0 ? void 0 : _a.expression; + case 266 /* SyntaxKind.ImportDeclaration */: + return declaration.moduleSpecifier; + case 237 /* SyntaxKind.VariableStatement */: + return declaration.declarationList.declarations[0].initializer.arguments[0]; + } + } + function importsAreSorted(imports) { + return ts.arrayIsSorted(imports, compareImportsOrRequireStatements); + } + OrganizeImports.importsAreSorted = importsAreSorted; + function importSpecifiersAreSorted(imports) { + return ts.arrayIsSorted(imports, compareImportOrExportSpecifiers); + } + OrganizeImports.importSpecifiersAreSorted = importSpecifiersAreSorted; + function getImportDeclarationInsertionIndex(sortedImports, newImport) { + var index = ts.binarySearch(sortedImports, newImport, ts.identity, compareImportsOrRequireStatements); + return index < 0 ? ~index : index; + } + OrganizeImports.getImportDeclarationInsertionIndex = getImportDeclarationInsertionIndex; + function getImportSpecifierInsertionIndex(sortedImports, newImport) { + var index = ts.binarySearch(sortedImports, newImport, ts.identity, compareImportOrExportSpecifiers); + return index < 0 ? ~index : index; + } + OrganizeImports.getImportSpecifierInsertionIndex = getImportSpecifierInsertionIndex; + function compareImportsOrRequireStatements(s1, s2) { + return compareModuleSpecifiers(getModuleSpecifierExpression(s1), getModuleSpecifierExpression(s2)) || compareImportKind(s1, s2); + } + OrganizeImports.compareImportsOrRequireStatements = compareImportsOrRequireStatements; + function compareImportKind(s1, s2) { + return ts.compareValues(getImportKindOrder(s1), getImportKindOrder(s2)); + } + // 1. Side-effect imports + // 2. Type-only imports + // 3. Namespace imports + // 4. Default imports + // 5. Named imports + // 6. ImportEqualsDeclarations + // 7. Require variable statements + function getImportKindOrder(s1) { + var _a; + switch (s1.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + if (!s1.importClause) + return 0; + if (s1.importClause.isTypeOnly) + return 1; + if (((_a = s1.importClause.namedBindings) === null || _a === void 0 ? void 0 : _a.kind) === 268 /* SyntaxKind.NamespaceImport */) + return 2; + if (s1.importClause.name) + return 3; + return 4; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return 5; + case 237 /* SyntaxKind.VariableStatement */: + return 6; + } + } + function getNewImportSpecifiers(namedImports) { + return ts.flatMap(namedImports, function (namedImport) { + return ts.map(tryGetNamedBindingElements(namedImport), function (importSpecifier) { + return importSpecifier.name && importSpecifier.propertyName && importSpecifier.name.escapedText === importSpecifier.propertyName.escapedText + ? ts.factory.updateImportSpecifier(importSpecifier, importSpecifier.isTypeOnly, /*propertyName*/ undefined, importSpecifier.name) + : importSpecifier; + }); + }); + } + function tryGetNamedBindingElements(namedImport) { + var _a; + return ((_a = namedImport.importClause) === null || _a === void 0 ? void 0 : _a.namedBindings) && ts.isNamedImports(namedImport.importClause.namedBindings) + ? namedImport.importClause.namedBindings.elements + : undefined; + } + })(OrganizeImports = ts.OrganizeImports || (ts.OrganizeImports = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var OutliningElementsCollector; + (function (OutliningElementsCollector) { + function collectElements(sourceFile, cancellationToken) { + var res = []; + addNodeOutliningSpans(sourceFile, cancellationToken, res); + addRegionOutliningSpans(sourceFile, res); + return res.sort(function (span1, span2) { return span1.textSpan.start - span2.textSpan.start; }); + } + OutliningElementsCollector.collectElements = collectElements; + function addNodeOutliningSpans(sourceFile, cancellationToken, out) { + var depthRemaining = 40; + var current = 0; + // Includes the EOF Token so that comments which aren't attached to statements are included + var statements = __spreadArray(__spreadArray([], sourceFile.statements, true), [sourceFile.endOfFileToken], false); + var n = statements.length; + while (current < n) { + while (current < n && !ts.isAnyImportSyntax(statements[current])) { + visitNonImportNode(statements[current]); + current++; + } + if (current === n) + break; + var firstImport = current; + while (current < n && ts.isAnyImportSyntax(statements[current])) { + addOutliningForLeadingCommentsForNode(statements[current], sourceFile, cancellationToken, out); + current++; + } + var lastImport = current - 1; + if (lastImport !== firstImport) { + out.push(createOutliningSpanFromBounds(ts.findChildOfKind(statements[firstImport], 100 /* SyntaxKind.ImportKeyword */, sourceFile).getStart(sourceFile), statements[lastImport].getEnd(), "imports" /* OutliningSpanKind.Imports */)); + } + } + function visitNonImportNode(n) { + var _a; + if (depthRemaining === 0) + return; + cancellationToken.throwIfCancellationRequested(); + if (ts.isDeclaration(n) || ts.isVariableStatement(n) || ts.isReturnStatement(n) || ts.isCallOrNewExpression(n) || n.kind === 1 /* SyntaxKind.EndOfFileToken */) { + addOutliningForLeadingCommentsForNode(n, sourceFile, cancellationToken, out); + } + if (ts.isFunctionLike(n) && ts.isBinaryExpression(n.parent) && ts.isPropertyAccessExpression(n.parent.left)) { + addOutliningForLeadingCommentsForNode(n.parent.left, sourceFile, cancellationToken, out); + } + if (ts.isBlock(n) || ts.isModuleBlock(n)) { + addOutliningForLeadingCommentsForPos(n.statements.end, sourceFile, cancellationToken, out); + } + if (ts.isClassLike(n) || ts.isInterfaceDeclaration(n)) { + addOutliningForLeadingCommentsForPos(n.members.end, sourceFile, cancellationToken, out); + } + var span = getOutliningSpanForNode(n, sourceFile); + if (span) + out.push(span); + depthRemaining--; + if (ts.isCallExpression(n)) { + depthRemaining++; + visitNonImportNode(n.expression); + depthRemaining--; + n.arguments.forEach(visitNonImportNode); + (_a = n.typeArguments) === null || _a === void 0 ? void 0 : _a.forEach(visitNonImportNode); + } + else if (ts.isIfStatement(n) && n.elseStatement && ts.isIfStatement(n.elseStatement)) { + // Consider an 'else if' to be on the same depth as the 'if'. + visitNonImportNode(n.expression); + visitNonImportNode(n.thenStatement); + depthRemaining++; + visitNonImportNode(n.elseStatement); + depthRemaining--; + } + else { + n.forEachChild(visitNonImportNode); + } + depthRemaining++; + } + } + function addRegionOutliningSpans(sourceFile, out) { + var regions = []; + var lineStarts = sourceFile.getLineStarts(); + for (var _i = 0, lineStarts_1 = lineStarts; _i < lineStarts_1.length; _i++) { + var currentLineStart = lineStarts_1[_i]; + var lineEnd = sourceFile.getLineEndOfPosition(currentLineStart); + var lineText = sourceFile.text.substring(currentLineStart, lineEnd); + var result = isRegionDelimiter(lineText); + if (!result || ts.isInComment(sourceFile, currentLineStart)) { + continue; + } + if (!result[1]) { + var span = ts.createTextSpanFromBounds(sourceFile.text.indexOf("//", currentLineStart), lineEnd); + regions.push(createOutliningSpan(span, "region" /* OutliningSpanKind.Region */, span, /*autoCollapse*/ false, result[2] || "#region")); + } + else { + var region = regions.pop(); + if (region) { + region.textSpan.length = lineEnd - region.textSpan.start; + region.hintSpan.length = lineEnd - region.textSpan.start; + out.push(region); + } + } + } + } + var regionDelimiterRegExp = /^#(end)?region(?:\s+(.*))?(?:\r)?$/; + function isRegionDelimiter(lineText) { + // We trim the leading whitespace and // without the regex since the + // multiple potential whitespace matches can make for some gnarly backtracking behavior + lineText = ts.trimStringStart(lineText); + if (!ts.startsWith(lineText, "\/\/")) { + return null; // eslint-disable-line no-null/no-null + } + lineText = ts.trimString(lineText.slice(2)); + return regionDelimiterRegExp.exec(lineText); + } + function addOutliningForLeadingCommentsForPos(pos, sourceFile, cancellationToken, out) { + var comments = ts.getLeadingCommentRanges(sourceFile.text, pos); + if (!comments) + return; + var firstSingleLineCommentStart = -1; + var lastSingleLineCommentEnd = -1; + var singleLineCommentCount = 0; + var sourceText = sourceFile.getFullText(); + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var _a = comments_1[_i], kind = _a.kind, pos_1 = _a.pos, end = _a.end; + cancellationToken.throwIfCancellationRequested(); + switch (kind) { + case 2 /* SyntaxKind.SingleLineCommentTrivia */: + // never fold region delimiters into single-line comment regions + var commentText = sourceText.slice(pos_1, end); + if (isRegionDelimiter(commentText)) { + combineAndAddMultipleSingleLineComments(); + singleLineCommentCount = 0; + break; + } + // For single line comments, combine consecutive ones (2 or more) into + // a single span from the start of the first till the end of the last + if (singleLineCommentCount === 0) { + firstSingleLineCommentStart = pos_1; + } + lastSingleLineCommentEnd = end; + singleLineCommentCount++; + break; + case 3 /* SyntaxKind.MultiLineCommentTrivia */: + combineAndAddMultipleSingleLineComments(); + out.push(createOutliningSpanFromBounds(pos_1, end, "comment" /* OutliningSpanKind.Comment */)); + singleLineCommentCount = 0; + break; + default: + ts.Debug.assertNever(kind); + } + } + combineAndAddMultipleSingleLineComments(); + function combineAndAddMultipleSingleLineComments() { + // Only outline spans of two or more consecutive single line comments + if (singleLineCommentCount > 1) { + out.push(createOutliningSpanFromBounds(firstSingleLineCommentStart, lastSingleLineCommentEnd, "comment" /* OutliningSpanKind.Comment */)); + } + } + } + function addOutliningForLeadingCommentsForNode(n, sourceFile, cancellationToken, out) { + if (ts.isJsxText(n)) + return; + addOutliningForLeadingCommentsForPos(n.pos, sourceFile, cancellationToken, out); + } + function createOutliningSpanFromBounds(pos, end, kind) { + return createOutliningSpan(ts.createTextSpanFromBounds(pos, end), kind); + } + function getOutliningSpanForNode(n, sourceFile) { + switch (n.kind) { + case 235 /* SyntaxKind.Block */: + if (ts.isFunctionLike(n.parent)) { + return functionSpan(n.parent, n, sourceFile); + } + // Check if the block is standalone, or 'attached' to some parent statement. + // If the latter, we want to collapse the block, but consider its hint span + // to be the entire span of the parent. + switch (n.parent.kind) { + case 240 /* SyntaxKind.DoStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 239 /* SyntaxKind.IfStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 248 /* SyntaxKind.WithStatement */: + case 292 /* SyntaxKind.CatchClause */: + return spanForNode(n.parent); + case 252 /* SyntaxKind.TryStatement */: + // Could be the try-block, or the finally-block. + var tryStatement = n.parent; + if (tryStatement.tryBlock === n) { + return spanForNode(n.parent); + } + else if (tryStatement.finallyBlock === n) { + var node = ts.findChildOfKind(tryStatement, 96 /* SyntaxKind.FinallyKeyword */, sourceFile); + if (node) + return spanForNode(node); + } + // falls through + default: + // Block was a standalone block. In this case we want to only collapse + // the span of the block, independent of any parent span. + return createOutliningSpan(ts.createTextSpanFromNode(n, sourceFile), "code" /* OutliningSpanKind.Code */); + } + case 262 /* SyntaxKind.ModuleBlock */: + return spanForNode(n.parent); + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 263 /* SyntaxKind.CaseBlock */: + case 182 /* SyntaxKind.TypeLiteral */: + case 201 /* SyntaxKind.ObjectBindingPattern */: + return spanForNode(n); + case 184 /* SyntaxKind.TupleType */: + return spanForNode(n, /*autoCollapse*/ false, /*useFullStart*/ !ts.isTupleTypeNode(n.parent), 22 /* SyntaxKind.OpenBracketToken */); + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + return spanForNodeArray(n.statements); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return spanForObjectOrArrayLiteral(n); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return spanForObjectOrArrayLiteral(n, 22 /* SyntaxKind.OpenBracketToken */); + case 278 /* SyntaxKind.JsxElement */: + return spanForJSXElement(n); + case 282 /* SyntaxKind.JsxFragment */: + return spanForJSXFragment(n); + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 280 /* SyntaxKind.JsxOpeningElement */: + return spanForJSXAttributes(n.attributes); + case 223 /* SyntaxKind.TemplateExpression */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + return spanForTemplateLiteral(n); + case 202 /* SyntaxKind.ArrayBindingPattern */: + return spanForNode(n, /*autoCollapse*/ false, /*useFullStart*/ !ts.isBindingElement(n.parent), 22 /* SyntaxKind.OpenBracketToken */); + case 214 /* SyntaxKind.ArrowFunction */: + return spanForArrowFunction(n); + case 208 /* SyntaxKind.CallExpression */: + return spanForCallExpression(n); + case 212 /* SyntaxKind.ParenthesizedExpression */: + return spanForParenthesizedExpression(n); + } + function spanForCallExpression(node) { + if (!node.arguments.length) { + return undefined; + } + var openToken = ts.findChildOfKind(node, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + var closeToken = ts.findChildOfKind(node, 21 /* SyntaxKind.CloseParenToken */, sourceFile); + if (!openToken || !closeToken || ts.positionsAreOnSameLine(openToken.pos, closeToken.pos, sourceFile)) { + return undefined; + } + return spanBetweenTokens(openToken, closeToken, node, sourceFile, /*autoCollapse*/ false, /*useFullStart*/ true); + } + function spanForArrowFunction(node) { + if (ts.isBlock(node.body) || ts.isParenthesizedExpression(node.body) || ts.positionsAreOnSameLine(node.body.getFullStart(), node.body.getEnd(), sourceFile)) { + return undefined; + } + var textSpan = ts.createTextSpanFromBounds(node.body.getFullStart(), node.body.getEnd()); + return createOutliningSpan(textSpan, "code" /* OutliningSpanKind.Code */, ts.createTextSpanFromNode(node)); + } + function spanForJSXElement(node) { + var textSpan = ts.createTextSpanFromBounds(node.openingElement.getStart(sourceFile), node.closingElement.getEnd()); + var tagName = node.openingElement.tagName.getText(sourceFile); + var bannerText = "<" + tagName + ">..."; + return createOutliningSpan(textSpan, "code" /* OutliningSpanKind.Code */, textSpan, /*autoCollapse*/ false, bannerText); + } + function spanForJSXFragment(node) { + var textSpan = ts.createTextSpanFromBounds(node.openingFragment.getStart(sourceFile), node.closingFragment.getEnd()); + var bannerText = "<>..."; + return createOutliningSpan(textSpan, "code" /* OutliningSpanKind.Code */, textSpan, /*autoCollapse*/ false, bannerText); + } + function spanForJSXAttributes(node) { + if (node.properties.length === 0) { + return undefined; + } + return createOutliningSpanFromBounds(node.getStart(sourceFile), node.getEnd(), "code" /* OutliningSpanKind.Code */); + } + function spanForTemplateLiteral(node) { + if (node.kind === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ && node.text.length === 0) { + return undefined; + } + return createOutliningSpanFromBounds(node.getStart(sourceFile), node.getEnd(), "code" /* OutliningSpanKind.Code */); + } + function spanForObjectOrArrayLiteral(node, open) { + if (open === void 0) { open = 18 /* SyntaxKind.OpenBraceToken */; } + // If the block has no leading keywords and is inside an array literal or call expression, + // we only want to collapse the span of the block. + // Otherwise, the collapsed section will include the end of the previous line. + return spanForNode(node, /*autoCollapse*/ false, /*useFullStart*/ !ts.isArrayLiteralExpression(node.parent) && !ts.isCallExpression(node.parent), open); + } + function spanForNode(hintSpanNode, autoCollapse, useFullStart, open, close) { + if (autoCollapse === void 0) { autoCollapse = false; } + if (useFullStart === void 0) { useFullStart = true; } + if (open === void 0) { open = 18 /* SyntaxKind.OpenBraceToken */; } + if (close === void 0) { close = open === 18 /* SyntaxKind.OpenBraceToken */ ? 19 /* SyntaxKind.CloseBraceToken */ : 23 /* SyntaxKind.CloseBracketToken */; } + var openToken = ts.findChildOfKind(n, open, sourceFile); + var closeToken = ts.findChildOfKind(n, close, sourceFile); + return openToken && closeToken && spanBetweenTokens(openToken, closeToken, hintSpanNode, sourceFile, autoCollapse, useFullStart); + } + function spanForNodeArray(nodeArray) { + return nodeArray.length ? createOutliningSpan(ts.createTextSpanFromRange(nodeArray), "code" /* OutliningSpanKind.Code */) : undefined; + } + function spanForParenthesizedExpression(node) { + if (ts.positionsAreOnSameLine(node.getStart(), node.getEnd(), sourceFile)) + return undefined; + var textSpan = ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); + return createOutliningSpan(textSpan, "code" /* OutliningSpanKind.Code */, ts.createTextSpanFromNode(node)); + } + } + function functionSpan(node, body, sourceFile) { + var openToken = tryGetFunctionOpenToken(node, body, sourceFile); + var closeToken = ts.findChildOfKind(body, 19 /* SyntaxKind.CloseBraceToken */, sourceFile); + return openToken && closeToken && spanBetweenTokens(openToken, closeToken, node, sourceFile, /*autoCollapse*/ node.kind !== 214 /* SyntaxKind.ArrowFunction */); + } + function spanBetweenTokens(openToken, closeToken, hintSpanNode, sourceFile, autoCollapse, useFullStart) { + if (autoCollapse === void 0) { autoCollapse = false; } + if (useFullStart === void 0) { useFullStart = true; } + var textSpan = ts.createTextSpanFromBounds(useFullStart ? openToken.getFullStart() : openToken.getStart(sourceFile), closeToken.getEnd()); + return createOutliningSpan(textSpan, "code" /* OutliningSpanKind.Code */, ts.createTextSpanFromNode(hintSpanNode, sourceFile), autoCollapse); + } + function createOutliningSpan(textSpan, kind, hintSpan, autoCollapse, bannerText) { + if (hintSpan === void 0) { hintSpan = textSpan; } + if (autoCollapse === void 0) { autoCollapse = false; } + if (bannerText === void 0) { bannerText = "..."; } + return { textSpan: textSpan, kind: kind, hintSpan: hintSpan, bannerText: bannerText, autoCollapse: autoCollapse }; + } + function tryGetFunctionOpenToken(node, body, sourceFile) { + if (ts.isNodeArrayMultiLine(node.parameters, sourceFile)) { + var openParenToken = ts.findChildOfKind(node, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + if (openParenToken) { + return openParenToken; + } + } + return ts.findChildOfKind(body, 18 /* SyntaxKind.OpenBraceToken */, sourceFile); + } + })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + // Note(cyrusn): this enum is ordered from strongest match type to weakest match type. + var PatternMatchKind; + (function (PatternMatchKind) { + PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; + PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; + PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; + PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; + })(PatternMatchKind = ts.PatternMatchKind || (ts.PatternMatchKind = {})); + function createPatternMatch(kind, isCaseSensitive) { + return { + kind: kind, + isCaseSensitive: isCaseSensitive + }; + } + function createPatternMatcher(pattern) { + // We'll often see the same candidate string many times when searching (For example, when + // we see the name of a module that is used everywhere, or the name of an overload). As + // such, we cache the information we compute about the candidate for the life of this + // pattern matcher so we don't have to compute it multiple times. + var stringToWordSpans = new ts.Map(); + var dotSeparatedSegments = pattern.trim().split(".").map(function (p) { return createSegment(p.trim()); }); + // A segment is considered invalid if we couldn't find any words in it. + if (dotSeparatedSegments.some(function (segment) { return !segment.subWordTextChunks.length; })) + return undefined; + return { + getFullMatch: function (containers, candidate) { return getFullMatch(containers, candidate, dotSeparatedSegments, stringToWordSpans); }, + getMatchForLastSegmentOfPattern: function (candidate) { return matchSegment(candidate, ts.last(dotSeparatedSegments), stringToWordSpans); }, + patternContainsDots: dotSeparatedSegments.length > 1 + }; + } + ts.createPatternMatcher = createPatternMatcher; + function getFullMatch(candidateContainers, candidate, dotSeparatedSegments, stringToWordSpans) { + // First, check that the last part of the dot separated pattern matches the name of the + // candidate. If not, then there's no point in proceeding and doing the more + // expensive work. + var candidateMatch = matchSegment(candidate, ts.last(dotSeparatedSegments), stringToWordSpans); + if (!candidateMatch) { + return undefined; + } + // -1 because the last part was checked against the name, and only the rest + // of the parts are checked against the container. + if (dotSeparatedSegments.length - 1 > candidateContainers.length) { + // There weren't enough container parts to match against the pattern parts. + // So this definitely doesn't match. + return undefined; + } + var bestMatch; + for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { + bestMatch = betterMatch(bestMatch, matchSegment(candidateContainers[j], dotSeparatedSegments[i], stringToWordSpans)); + } + return bestMatch; + } + function getWordSpans(word, stringToWordSpans) { + var spans = stringToWordSpans.get(word); + if (!spans) { + stringToWordSpans.set(word, spans = breakIntoWordSpans(word)); + } + return spans; + } + function matchTextChunk(candidate, chunk, stringToWordSpans) { + var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); + if (index === 0) { + // a) Check if the word is a prefix of the candidate, in a case insensitive or + // sensitive manner. If it does, return that there was an exact match if the word and candidate are the same length, else a prefix match. + return createPatternMatch(chunk.text.length === candidate.length ? PatternMatchKind.exact : PatternMatchKind.prefix, /*isCaseSensitive:*/ ts.startsWith(candidate, chunk.text)); + } + if (chunk.isLowerCase) { + if (index === -1) + return undefined; + // b) If the part is entirely lowercase, then check if it is contained anywhere in the + // candidate in a case insensitive manner. If so, return that there was a substring + // match. + // + // Note: We only have a substring match if the lowercase part is prefix match of some + // word part. That way we don't match something like 'Class' when the user types 'a'. + // But we would match 'FooAttribute' (since 'Attribute' starts with 'a'). + var wordSpans = getWordSpans(candidate, stringToWordSpans); + for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { + var span = wordSpans_1[_i]; + if (partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ true)) { + return createPatternMatch(PatternMatchKind.substring, /*isCaseSensitive:*/ partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ false)); + } + } + // c) Is the pattern a substring of the candidate starting on one of the candidate's word boundaries? + // We could check every character boundary start of the candidate for the pattern. However, that's + // an m * n operation in the wost case. Instead, find the first instance of the pattern + // substring, and see if it starts on a capital letter. It seems unlikely that the user will try to + // filter the list based on a substring that starts on a capital letter and also with a lowercase one. + // (Pattern: fogbar, Candidate: quuxfogbarFogBar). + if (chunk.text.length < candidate.length && isUpperCaseLetter(candidate.charCodeAt(index))) { + return createPatternMatch(PatternMatchKind.substring, /*isCaseSensitive:*/ false); + } + } + else { + // d) If the part was not entirely lowercase, then check if it is contained in the + // candidate in a case *sensitive* manner. If so, return that there was a substring + // match. + if (candidate.indexOf(chunk.text) > 0) { + return createPatternMatch(PatternMatchKind.substring, /*isCaseSensitive:*/ true); + } + // e) If the part was not entirely lowercase, then attempt a camel cased match as well. + if (chunk.characterSpans.length > 0) { + var candidateParts = getWordSpans(candidate, stringToWordSpans); + var isCaseSensitive = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ false) ? true + : tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ true) ? false : undefined; + if (isCaseSensitive !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, isCaseSensitive); + } + } + } + } + function matchSegment(candidate, segment, stringToWordSpans) { + // First check if the segment matches as is. This is also useful if the segment contains + // characters we would normally strip when splitting into parts that we also may want to + // match in the candidate. For example if the segment is "@int" and the candidate is + // "@int", then that will show up as an exact match here. + // + // Note: if the segment contains a space or an asterisk then we must assume that it's a + // multi-word segment. + if (every(segment.totalTextChunk.text, function (ch) { return ch !== 32 /* CharacterCodes.space */ && ch !== 42 /* CharacterCodes.asterisk */; })) { + var match = matchTextChunk(candidate, segment.totalTextChunk, stringToWordSpans); + if (match) + return match; + } + // The logic for pattern matching is now as follows: + // + // 1) Break the segment passed in into words. Breaking is rather simple and a + // good way to think about it that if gives you all the individual alphanumeric words + // of the pattern. + // + // 2) For each word try to match the word against the candidate value. + // + // 3) Matching is as follows: + // + // a) Check if the word is a prefix of the candidate, in a case insensitive or + // sensitive manner. If it does, return that there was an exact match if the word and candidate are the same length, else a prefix match. + // + // If the word is entirely lowercase: + // b) Then check if it is contained anywhere in the + // candidate in a case insensitive manner. If so, return that there was a substring + // match. + // + // Note: We only have a substring match if the lowercase part is prefix match of + // some word part. That way we don't match something like 'Class' when the user + // types 'a'. But we would match 'FooAttribute' (since 'Attribute' starts with + // 'a'). + // + // c) The word is all lower case. Is it a case insensitive substring of the candidate starting + // on a part boundary of the candidate? + // + // Else: + // d) If the word was not entirely lowercase, then check if it is contained in the + // candidate in a case *sensitive* manner. If so, return that there was a substring + // match. + // + // e) If the word was not entirely lowercase, then attempt a camel cased match as + // well. + // + // Only if all words have some sort of match is the pattern considered matched. + var subWordTextChunks = segment.subWordTextChunks; + var bestMatch; + for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { + var subWordTextChunk = subWordTextChunks_1[_i]; + bestMatch = betterMatch(bestMatch, matchTextChunk(candidate, subWordTextChunk, stringToWordSpans)); + } + return bestMatch; + } + function betterMatch(a, b) { + return ts.min(a, b, compareMatches); + } + function compareMatches(a, b) { + return a === undefined ? 1 /* Comparison.GreaterThan */ : b === undefined ? -1 /* Comparison.LessThan */ + : ts.compareValues(a.kind, b.kind) || ts.compareBooleans(!a.isCaseSensitive, !b.isCaseSensitive); + } + function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { + if (patternSpan === void 0) { patternSpan = { start: 0, length: pattern.length }; } + return patternSpan.length <= candidateSpan.length // If pattern part is longer than the candidate part there can never be a match. + && everyInRange(0, patternSpan.length, function (i) { return equalChars(pattern.charCodeAt(patternSpan.start + i), candidate.charCodeAt(candidateSpan.start + i), ignoreCase); }); + } + function equalChars(ch1, ch2, ignoreCase) { + return ignoreCase ? toLowerCase(ch1) === toLowerCase(ch2) : ch1 === ch2; + } + function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { + var chunkCharacterSpans = chunk.characterSpans; + // Note: we may have more pattern parts than candidate parts. This is because multiple + // pattern parts may match a candidate part. For example "SiUI" against "SimpleUI". + // We'll have 3 pattern parts Si/U/I against two candidate parts Simple/UI. However, U + // and I will both match in UI. + var currentCandidate = 0; + var currentChunkSpan = 0; + var firstMatch; + var contiguous; + while (true) { + // Let's consider our termination cases + if (currentChunkSpan === chunkCharacterSpans.length) { + return true; + } + else if (currentCandidate === candidateParts.length) { + // No match, since we still have more of the pattern to hit + return false; + } + var candidatePart = candidateParts[currentCandidate]; + var gotOneMatchThisCandidate = false; + // Consider the case of matching SiUI against SimpleUIElement. The candidate parts + // will be Simple/UI/Element, and the pattern parts will be Si/U/I. We'll match 'Si' + // against 'Simple' first. Then we'll match 'U' against 'UI'. However, we want to + // still keep matching pattern parts against that candidate part. + for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { + var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; + if (gotOneMatchThisCandidate) { + // We've already gotten one pattern part match in this candidate. We will + // only continue trying to consumer pattern parts if the last part and this + // part are both upper case. + if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || + !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { + break; + } + } + if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { + break; + } + gotOneMatchThisCandidate = true; + firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; + // If we were contiguous, then keep that value. If we weren't, then keep that + // value. If we don't know, then set the value to 'true' as an initial match is + // obviously contiguous. + contiguous = contiguous === undefined ? true : contiguous; + candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); + } + // Check if we matched anything at all. If we didn't, then we need to unset the + // contiguous bit if we currently had it set. + // If we haven't set the bit yet, then that means we haven't matched anything so + // far, and we don't want to change that. + if (!gotOneMatchThisCandidate && contiguous !== undefined) { + contiguous = false; + } + // Move onto the next candidate. + currentCandidate++; + } + } + function createSegment(text) { + return { + totalTextChunk: createTextChunk(text), + subWordTextChunks: breakPatternIntoTextChunks(text) + }; + } + function isUpperCaseLetter(ch) { + // Fast check for the ascii range. + if (ch >= 65 /* CharacterCodes.A */ && ch <= 90 /* CharacterCodes.Z */) { + return true; + } + if (ch < 127 /* CharacterCodes.maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 99 /* ScriptTarget.Latest */)) { + return false; + } + // TODO: find a way to determine this for any unicode characters in a + // non-allocating manner. + var str = String.fromCharCode(ch); + return str === str.toUpperCase(); + } + function isLowerCaseLetter(ch) { + // Fast check for the ascii range. + if (ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */) { + return true; + } + if (ch < 127 /* CharacterCodes.maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 99 /* ScriptTarget.Latest */)) { + return false; + } + // TODO: find a way to determine this for any unicode characters in a + // non-allocating manner. + var str = String.fromCharCode(ch); + return str === str.toLowerCase(); + } + // Assumes 'value' is already lowercase. + function indexOfIgnoringCase(str, value) { + var n = str.length - value.length; + var _loop_8 = function (start) { + if (every(value, function (valueChar, i) { return toLowerCase(str.charCodeAt(i + start)) === valueChar; })) { + return { value: start }; + } + }; + for (var start = 0; start <= n; start++) { + var state_3 = _loop_8(start); + if (typeof state_3 === "object") + return state_3.value; + } + return -1; + } + function toLowerCase(ch) { + // Fast convert for the ascii range. + if (ch >= 65 /* CharacterCodes.A */ && ch <= 90 /* CharacterCodes.Z */) { + return 97 /* CharacterCodes.a */ + (ch - 65 /* CharacterCodes.A */); + } + if (ch < 127 /* CharacterCodes.maxAsciiCharacter */) { + return ch; + } + // TODO: find a way to compute this for any unicode characters in a + // non-allocating manner. + return String.fromCharCode(ch).toLowerCase().charCodeAt(0); + } + function isDigit(ch) { + // TODO(cyrusn): Find a way to support this for unicode digits. + return ch >= 48 /* CharacterCodes._0 */ && ch <= 57 /* CharacterCodes._9 */; + } + function isWordChar(ch) { + return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 /* CharacterCodes._ */ || ch === 36 /* CharacterCodes.$ */; + } + function breakPatternIntoTextChunks(pattern) { + var result = []; + var wordStart = 0; + var wordLength = 0; + for (var i = 0; i < pattern.length; i++) { + var ch = pattern.charCodeAt(i); + if (isWordChar(ch)) { + if (wordLength === 0) { + wordStart = i; + } + wordLength++; + } + else { + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + wordLength = 0; + } + } + } + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + } + return result; + } + function createTextChunk(text) { + var textLowerCase = text.toLowerCase(); + return { + text: text, + textLowerCase: textLowerCase, + isLowerCase: text === textLowerCase, + characterSpans: breakIntoCharacterSpans(text) + }; + } + function breakIntoCharacterSpans(identifier) { + return breakIntoSpans(identifier, /*word:*/ false); + } + ts.breakIntoCharacterSpans = breakIntoCharacterSpans; + function breakIntoWordSpans(identifier) { + return breakIntoSpans(identifier, /*word:*/ true); + } + ts.breakIntoWordSpans = breakIntoWordSpans; + function breakIntoSpans(identifier, word) { + var result = []; + var wordStart = 0; + for (var i = 1; i < identifier.length; i++) { + var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); + var currentIsDigit = isDigit(identifier.charCodeAt(i)); + var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); + var hasTransitionFromUpperToLower = word && transitionFromUpperToLower(identifier, i, wordStart); + if (charIsPunctuation(identifier.charCodeAt(i - 1)) || + charIsPunctuation(identifier.charCodeAt(i)) || + lastIsDigit !== currentIsDigit || + hasTransitionFromLowerToUpper || + hasTransitionFromUpperToLower) { + if (!isAllPunctuation(identifier, wordStart, i)) { + result.push(ts.createTextSpan(wordStart, i - wordStart)); + } + wordStart = i; + } + } + if (!isAllPunctuation(identifier, wordStart, identifier.length)) { + result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); + } + return result; + } + function charIsPunctuation(ch) { + switch (ch) { + case 33 /* CharacterCodes.exclamation */: + case 34 /* CharacterCodes.doubleQuote */: + case 35 /* CharacterCodes.hash */: + case 37 /* CharacterCodes.percent */: + case 38 /* CharacterCodes.ampersand */: + case 39 /* CharacterCodes.singleQuote */: + case 40 /* CharacterCodes.openParen */: + case 41 /* CharacterCodes.closeParen */: + case 42 /* CharacterCodes.asterisk */: + case 44 /* CharacterCodes.comma */: + case 45 /* CharacterCodes.minus */: + case 46 /* CharacterCodes.dot */: + case 47 /* CharacterCodes.slash */: + case 58 /* CharacterCodes.colon */: + case 59 /* CharacterCodes.semicolon */: + case 63 /* CharacterCodes.question */: + case 64 /* CharacterCodes.at */: + case 91 /* CharacterCodes.openBracket */: + case 92 /* CharacterCodes.backslash */: + case 93 /* CharacterCodes.closeBracket */: + case 95 /* CharacterCodes._ */: + case 123 /* CharacterCodes.openBrace */: + case 125 /* CharacterCodes.closeBrace */: + return true; + } + return false; + } + function isAllPunctuation(identifier, start, end) { + return every(identifier, function (ch) { return charIsPunctuation(ch) && ch !== 95 /* CharacterCodes._ */; }, start, end); + } + function transitionFromUpperToLower(identifier, index, wordStart) { + // Cases this supports: + // 1) IDisposable -> I, Disposable + // 2) UIElement -> UI, Element + // 3) HTMLDocument -> HTML, Document + // + // etc. + // We have a transition from an upper to a lower letter here. But we only + // want to break if all the letters that preceded are uppercase. i.e. if we + // have "Foo" we don't want to break that into "F, oo". But if we have + // "IFoo" or "UIFoo", then we want to break that into "I, Foo" and "UI, + // Foo". i.e. the last uppercase letter belongs to the lowercase letters + // that follows. Note: this will make the following not split properly: + // "HELLOthere". However, these sorts of names do not show up in .Net + // programs. + return index !== wordStart + && index + 1 < identifier.length + && isUpperCaseLetter(identifier.charCodeAt(index)) + && isLowerCaseLetter(identifier.charCodeAt(index + 1)) + && every(identifier, isUpperCaseLetter, wordStart, index); + } + function transitionFromLowerToUpper(identifier, word, index) { + var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + // See if the casing indicates we're starting a new word. Note: if we're breaking on + // words, then just seeing an upper case character isn't enough. Instead, it has to + // be uppercase and the previous character can't be uppercase. + // + // For example, breaking "AddMetadata" on words would make: Add Metadata + // + // on characters would be: A dd M etadata + // + // Break "AM" on words would be: AM + // + // on characters would be: A M + // + // We break the search string on characters. But we break the symbol name on words. + return currentIsUpper && (!word || !lastIsUpper); + } + function everyInRange(start, end, pred) { + for (var i = start; i < end; i++) { + if (!pred(i)) { + return false; + } + } + return true; + } + function every(s, pred, start, end) { + if (start === void 0) { start = 0; } + if (end === void 0) { end = s.length; } + return everyInRange(start, end, function (i) { return pred(s.charCodeAt(i), i); }); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { + if (readImportFiles === void 0) { readImportFiles = true; } + if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } + var pragmaContext = { + languageVersion: 1 /* ScriptTarget.ES5 */, + pragmas: undefined, + checkJsDirective: undefined, + referencedFiles: [], + typeReferenceDirectives: [], + libReferenceDirectives: [], + amdDependencies: [], + hasNoDefaultLib: undefined, + moduleName: undefined + }; + var importedFiles = []; + var ambientExternalModules; + var lastToken; + var currentToken; + var braceNesting = 0; + // assume that text represent an external module if it contains at least one top level import/export + // ambient modules that are found inside external modules are interpreted as module augmentations + var externalModule = false; + function nextToken() { + lastToken = currentToken; + currentToken = ts.scanner.scan(); + if (currentToken === 18 /* SyntaxKind.OpenBraceToken */) { + braceNesting++; + } + else if (currentToken === 19 /* SyntaxKind.CloseBraceToken */) { + braceNesting--; + } + return currentToken; + } + function getFileReference() { + var fileName = ts.scanner.getTokenValue(); + var pos = ts.scanner.getTokenPos(); + return { fileName: fileName, pos: pos, end: pos + fileName.length }; + } + function recordAmbientExternalModule() { + if (!ambientExternalModules) { + ambientExternalModules = []; + } + ambientExternalModules.push({ ref: getFileReference(), depth: braceNesting }); + } + function recordModuleName() { + importedFiles.push(getFileReference()); + markAsExternalModuleIfTopLevel(); + } + function markAsExternalModuleIfTopLevel() { + if (braceNesting === 0) { + externalModule = true; + } + } + /** + * Returns true if at least one token was consumed from the stream + */ + function tryConsumeDeclare() { + var token = ts.scanner.getToken(); + if (token === 135 /* SyntaxKind.DeclareKeyword */) { + // declare module "mod" + token = nextToken(); + if (token === 141 /* SyntaxKind.ModuleKeyword */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */) { + recordAmbientExternalModule(); + } + } + return true; + } + return false; + } + /** + * Returns true if at least one token was consumed from the stream + */ + function tryConsumeImport() { + if (lastToken === 24 /* SyntaxKind.DotToken */) { + return false; + } + var token = ts.scanner.getToken(); + if (token === 100 /* SyntaxKind.ImportKeyword */) { + token = nextToken(); + if (token === 20 /* SyntaxKind.OpenParenToken */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */ || token === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */) { + // import("mod"); + recordModuleName(); + return true; + } + } + else if (token === 10 /* SyntaxKind.StringLiteral */) { + // import "mod"; + recordModuleName(); + return true; + } + else { + if (token === 152 /* SyntaxKind.TypeKeyword */) { + var skipTypeKeyword = ts.scanner.lookAhead(function () { + var token = ts.scanner.scan(); + return token !== 156 /* SyntaxKind.FromKeyword */ && (token === 41 /* SyntaxKind.AsteriskToken */ || + token === 18 /* SyntaxKind.OpenBraceToken */ || + token === 79 /* SyntaxKind.Identifier */ || + ts.isKeyword(token)); + }); + if (skipTypeKeyword) { + token = nextToken(); + } + } + if (token === 79 /* SyntaxKind.Identifier */ || ts.isKeyword(token)) { + token = nextToken(); + if (token === 156 /* SyntaxKind.FromKeyword */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */) { + // import d from "mod"; + recordModuleName(); + return true; + } + } + else if (token === 63 /* SyntaxKind.EqualsToken */) { + if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { + return true; + } + } + else if (token === 27 /* SyntaxKind.CommaToken */) { + // consume comma and keep going + token = nextToken(); + } + else { + // unknown syntax + return true; + } + } + if (token === 18 /* SyntaxKind.OpenBraceToken */) { + token = nextToken(); + // consume "{ a as B, c, d as D}" clauses + // make sure that it stops on EOF + while (token !== 19 /* SyntaxKind.CloseBraceToken */ && token !== 1 /* SyntaxKind.EndOfFileToken */) { + token = nextToken(); + } + if (token === 19 /* SyntaxKind.CloseBraceToken */) { + token = nextToken(); + if (token === 156 /* SyntaxKind.FromKeyword */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */) { + // import {a as A} from "mod"; + // import d, {a, b as B} from "mod" + recordModuleName(); + } + } + } + } + else if (token === 41 /* SyntaxKind.AsteriskToken */) { + token = nextToken(); + if (token === 127 /* SyntaxKind.AsKeyword */) { + token = nextToken(); + if (token === 79 /* SyntaxKind.Identifier */ || ts.isKeyword(token)) { + token = nextToken(); + if (token === 156 /* SyntaxKind.FromKeyword */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */) { + // import * as NS from "mod" + // import d, * as NS from "mod" + recordModuleName(); + } + } + } + } + } + } + return true; + } + return false; + } + function tryConsumeExport() { + var token = ts.scanner.getToken(); + if (token === 93 /* SyntaxKind.ExportKeyword */) { + markAsExternalModuleIfTopLevel(); + token = nextToken(); + if (token === 152 /* SyntaxKind.TypeKeyword */) { + var skipTypeKeyword = ts.scanner.lookAhead(function () { + var token = ts.scanner.scan(); + return token === 41 /* SyntaxKind.AsteriskToken */ || + token === 18 /* SyntaxKind.OpenBraceToken */; + }); + if (skipTypeKeyword) { + token = nextToken(); + } + } + if (token === 18 /* SyntaxKind.OpenBraceToken */) { + token = nextToken(); + // consume "{ a as B, c, d as D}" clauses + // make sure it stops on EOF + while (token !== 19 /* SyntaxKind.CloseBraceToken */ && token !== 1 /* SyntaxKind.EndOfFileToken */) { + token = nextToken(); + } + if (token === 19 /* SyntaxKind.CloseBraceToken */) { + token = nextToken(); + if (token === 156 /* SyntaxKind.FromKeyword */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */) { + // export {a as A} from "mod"; + // export {a, b as B} from "mod" + recordModuleName(); + } + } + } + } + else if (token === 41 /* SyntaxKind.AsteriskToken */) { + token = nextToken(); + if (token === 156 /* SyntaxKind.FromKeyword */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */) { + // export * from "mod" + recordModuleName(); + } + } + } + else if (token === 100 /* SyntaxKind.ImportKeyword */) { + token = nextToken(); + if (token === 152 /* SyntaxKind.TypeKeyword */) { + var skipTypeKeyword = ts.scanner.lookAhead(function () { + var token = ts.scanner.scan(); + return token === 79 /* SyntaxKind.Identifier */ || + ts.isKeyword(token); + }); + if (skipTypeKeyword) { + token = nextToken(); + } + } + if (token === 79 /* SyntaxKind.Identifier */ || ts.isKeyword(token)) { + token = nextToken(); + if (token === 63 /* SyntaxKind.EqualsToken */) { + if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { + return true; + } + } + } + } + return true; + } + return false; + } + function tryConsumeRequireCall(skipCurrentToken, allowTemplateLiterals) { + if (allowTemplateLiterals === void 0) { allowTemplateLiterals = false; } + var token = skipCurrentToken ? nextToken() : ts.scanner.getToken(); + if (token === 146 /* SyntaxKind.RequireKeyword */) { + token = nextToken(); + if (token === 20 /* SyntaxKind.OpenParenToken */) { + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */ || + allowTemplateLiterals && token === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */) { + // require("mod"); + recordModuleName(); + } + } + return true; + } + return false; + } + function tryConsumeDefine() { + var token = ts.scanner.getToken(); + if (token === 79 /* SyntaxKind.Identifier */ && ts.scanner.getTokenValue() === "define") { + token = nextToken(); + if (token !== 20 /* SyntaxKind.OpenParenToken */) { + return true; + } + token = nextToken(); + if (token === 10 /* SyntaxKind.StringLiteral */ || token === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */) { + // looks like define ("modname", ... - skip string literal and comma + token = nextToken(); + if (token === 27 /* SyntaxKind.CommaToken */) { + token = nextToken(); + } + else { + // unexpected token + return true; + } + } + // should be start of dependency list + if (token !== 22 /* SyntaxKind.OpenBracketToken */) { + return true; + } + // skip open bracket + token = nextToken(); + // scan until ']' or EOF + while (token !== 23 /* SyntaxKind.CloseBracketToken */ && token !== 1 /* SyntaxKind.EndOfFileToken */) { + // record string literals as module names + if (token === 10 /* SyntaxKind.StringLiteral */ || token === 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */) { + recordModuleName(); + } + token = nextToken(); + } + return true; + } + return false; + } + function processImports() { + ts.scanner.setText(sourceText); + nextToken(); + // Look for: + // import "mod"; + // import d from "mod" + // import {a as A } from "mod"; + // import * as NS from "mod" + // import d, {a, b as B} from "mod" + // import i = require("mod"); + // import("mod"); + // export * from "mod" + // export {a as b} from "mod" + // export import i = require("mod") + // (for JavaScript files) require("mod") + // Do not look for: + // AnySymbol.import("mod") + // AnySymbol.nested.import("mod") + while (true) { + if (ts.scanner.getToken() === 1 /* SyntaxKind.EndOfFileToken */) { + break; + } + if (ts.scanner.getToken() === 15 /* SyntaxKind.TemplateHead */) { + var stack = [ts.scanner.getToken()]; + var token = ts.scanner.scan(); + loop: while (ts.length(stack)) { + switch (token) { + case 1 /* SyntaxKind.EndOfFileToken */: + break loop; + case 100 /* SyntaxKind.ImportKeyword */: + tryConsumeImport(); + break; + case 15 /* SyntaxKind.TemplateHead */: + stack.push(token); + break; + case 18 /* SyntaxKind.OpenBraceToken */: + if (ts.length(stack)) { + stack.push(token); + } + break; + case 19 /* SyntaxKind.CloseBraceToken */: + if (ts.length(stack)) { + if (ts.lastOrUndefined(stack) === 15 /* SyntaxKind.TemplateHead */) { + if (ts.scanner.reScanTemplateToken(/* isTaggedTemplate */ false) === 17 /* SyntaxKind.TemplateTail */) { + stack.pop(); + } + } + else { + stack.pop(); + } + } + break; + } + token = ts.scanner.scan(); + } + nextToken(); + } + // check if at least one of alternative have moved scanner forward + if (tryConsumeDeclare() || + tryConsumeImport() || + tryConsumeExport() || + (detectJavaScriptImports && (tryConsumeRequireCall(/*skipCurrentToken*/ false, /*allowTemplateLiterals*/ true) || + tryConsumeDefine()))) { + continue; + } + else { + nextToken(); + } + } + ts.scanner.setText(undefined); + } + if (readImportFiles) { + processImports(); + } + ts.processCommentPragmas(pragmaContext, sourceText); + ts.processPragmasIntoFields(pragmaContext, ts.noop); + if (externalModule) { + // for external modules module all nested ambient modules are augmentations + if (ambientExternalModules) { + // move all detected ambient modules to imported files since they need to be resolved + for (var _i = 0, ambientExternalModules_1 = ambientExternalModules; _i < ambientExternalModules_1.length; _i++) { + var decl = ambientExternalModules_1[_i]; + importedFiles.push(decl.ref); + } + } + return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, libReferenceDirectives: pragmaContext.libReferenceDirectives, importedFiles: importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: undefined }; + } + else { + // for global scripts ambient modules still can have augmentations - look for ambient modules with depth > 0 + var ambientModuleNames = void 0; + if (ambientExternalModules) { + for (var _a = 0, ambientExternalModules_2 = ambientExternalModules; _a < ambientExternalModules_2.length; _a++) { + var decl = ambientExternalModules_2[_a]; + if (decl.depth === 0) { + if (!ambientModuleNames) { + ambientModuleNames = []; + } + ambientModuleNames.push(decl.ref.fileName); + } + else { + importedFiles.push(decl.ref); + } + } + } + return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, libReferenceDirectives: pragmaContext.libReferenceDirectives, importedFiles: importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: ambientModuleNames }; + } + } + ts.preProcessFile = preProcessFile; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var Rename; + (function (Rename) { + function getRenameInfo(program, sourceFile, position, options) { + var node = ts.getAdjustedRenameLocation(ts.getTouchingPropertyName(sourceFile, position)); + if (nodeIsEligibleForRename(node)) { + var renameInfo = getRenameInfoForNode(node, program.getTypeChecker(), sourceFile, program, options); + if (renameInfo) { + return renameInfo; + } + } + return getRenameInfoError(ts.Diagnostics.You_cannot_rename_this_element); + } + Rename.getRenameInfo = getRenameInfo; + function getRenameInfoForNode(node, typeChecker, sourceFile, program, options) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + if (ts.isStringLiteralLike(node)) { + var type = ts.getContextualTypeFromParentOrAncestorTypeNode(node, typeChecker); + if (type && ((type.flags & 128 /* TypeFlags.StringLiteral */) || ((type.flags & 1048576 /* TypeFlags.Union */) && ts.every(type.types, function (type) { return !!(type.flags & 128 /* TypeFlags.StringLiteral */); })))) { + return getRenameInfoSuccess(node.text, node.text, "string" /* ScriptElementKind.string */, "", node, sourceFile); + } + } + else if (ts.isLabelName(node)) { + var name = ts.getTextOfNode(node); + return getRenameInfoSuccess(name, name, "label" /* ScriptElementKind.label */, "" /* ScriptElementKindModifier.none */, node, sourceFile); + } + return undefined; + } + // Only allow a symbol to be renamed if it actually has at least one declaration. + var declarations = symbol.declarations; + if (!declarations || declarations.length === 0) + return; + // Disallow rename for elements that are defined in the standard TypeScript library. + if (declarations.some(function (declaration) { return isDefinedInLibraryFile(program, declaration); })) { + return getRenameInfoError(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library); + } + // Cannot rename `default` as in `import { default as foo } from "./someModule"; + if (ts.isIdentifier(node) && node.originalKeywordKind === 88 /* SyntaxKind.DefaultKeyword */ && symbol.parent && symbol.parent.flags & 1536 /* SymbolFlags.Module */) { + return undefined; + } + if (ts.isStringLiteralLike(node) && ts.tryGetImportFromModuleSpecifier(node)) { + return options && options.allowRenameOfImportPath ? getRenameInfoForModule(node, sourceFile, symbol) : undefined; + } + var kind = ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node); + var specifierName = (ts.isImportOrExportSpecifierName(node) || ts.isStringOrNumericLiteralLike(node) && node.parent.kind === 162 /* SyntaxKind.ComputedPropertyName */) + ? ts.stripQuotes(ts.getTextOfIdentifierOrLiteral(node)) + : undefined; + var displayName = specifierName || typeChecker.symbolToString(symbol); + var fullDisplayName = specifierName || typeChecker.getFullyQualifiedName(symbol); + return getRenameInfoSuccess(displayName, fullDisplayName, kind, ts.SymbolDisplay.getSymbolModifiers(typeChecker, symbol), node, sourceFile); + } + function isDefinedInLibraryFile(program, declaration) { + var sourceFile = declaration.getSourceFile(); + return program.isSourceFileDefaultLibrary(sourceFile) && ts.fileExtensionIs(sourceFile.fileName, ".d.ts" /* Extension.Dts */); + } + function getRenameInfoForModule(node, sourceFile, moduleSymbol) { + if (!ts.isExternalModuleNameRelative(node.text)) { + return getRenameInfoError(ts.Diagnostics.You_cannot_rename_a_module_via_a_global_import); + } + var moduleSourceFile = moduleSymbol.declarations && ts.find(moduleSymbol.declarations, ts.isSourceFile); + if (!moduleSourceFile) + return undefined; + var withoutIndex = ts.endsWith(node.text, "/index") || ts.endsWith(node.text, "/index.js") ? undefined : ts.tryRemoveSuffix(ts.removeFileExtension(moduleSourceFile.fileName), "/index"); + var name = withoutIndex === undefined ? moduleSourceFile.fileName : withoutIndex; + var kind = withoutIndex === undefined ? "module" /* ScriptElementKind.moduleElement */ : "directory" /* ScriptElementKind.directory */; + var indexAfterLastSlash = node.text.lastIndexOf("/") + 1; + // Span should only be the last component of the path. + 1 to account for the quote character. + var triggerSpan = ts.createTextSpan(node.getStart(sourceFile) + 1 + indexAfterLastSlash, node.text.length - indexAfterLastSlash); + return { + canRename: true, + fileToRename: name, + kind: kind, + displayName: name, + fullDisplayName: name, + kindModifiers: "" /* ScriptElementKindModifier.none */, + triggerSpan: triggerSpan, + }; + } + function getRenameInfoSuccess(displayName, fullDisplayName, kind, kindModifiers, node, sourceFile) { + return { + canRename: true, + fileToRename: undefined, + kind: kind, + displayName: displayName, + fullDisplayName: fullDisplayName, + kindModifiers: kindModifiers, + triggerSpan: createTriggerSpanForNode(node, sourceFile) + }; + } + function getRenameInfoError(diagnostic) { + return { canRename: false, localizedErrorMessage: ts.getLocaleSpecificMessage(diagnostic) }; + } + function createTriggerSpanForNode(node, sourceFile) { + var start = node.getStart(sourceFile); + var width = node.getWidth(sourceFile); + if (ts.isStringLiteralLike(node)) { + // Exclude the quotes + start += 1; + width -= 2; + } + return ts.createTextSpan(start, width); + } + function nodeIsEligibleForRename(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 80 /* SyntaxKind.PrivateIdentifier */: + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 108 /* SyntaxKind.ThisKeyword */: + return true; + case 8 /* SyntaxKind.NumericLiteral */: + return ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node); + default: + return false; + } + } + Rename.nodeIsEligibleForRename = nodeIsEligibleForRename; + })(Rename = ts.Rename || (ts.Rename = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var SmartSelectionRange; + (function (SmartSelectionRange) { + function getSmartSelectionRange(pos, sourceFile) { + var _a; + var selectionRange = { + textSpan: ts.createTextSpanFromBounds(sourceFile.getFullStart(), sourceFile.getEnd()) + }; + var parentNode = sourceFile; + outer: while (true) { + var children = getSelectionChildren(parentNode); + if (!children.length) + break; + for (var i = 0; i < children.length; i++) { + var prevNode = children[i - 1]; + var node = children[i]; + var nextNode = children[i + 1]; + if (ts.getTokenPosOfNode(node, sourceFile, /*includeJsDoc*/ true) > pos) { + break outer; + } + var comment = ts.singleOrUndefined(ts.getTrailingCommentRanges(sourceFile.text, node.end)); + if (comment && comment.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */) { + pushSelectionCommentRange(comment.pos, comment.end); + } + if (positionShouldSnapToNode(sourceFile, pos, node)) { + // 1. Blocks are effectively redundant with SyntaxLists. + // 2. TemplateSpans, along with the SyntaxLists containing them, are a somewhat unintuitive grouping + // of things that should be considered independently. + // 3. A VariableStatement’s children are just a VaraiableDeclarationList and a semicolon. + // 4. A lone VariableDeclaration in a VaraibleDeclaration feels redundant with the VariableStatement. + // Dive in without pushing a selection range. + if (ts.isBlock(node) + || ts.isTemplateSpan(node) || ts.isTemplateHead(node) || ts.isTemplateTail(node) + || prevNode && ts.isTemplateHead(prevNode) + || ts.isVariableDeclarationList(node) && ts.isVariableStatement(parentNode) + || ts.isSyntaxList(node) && ts.isVariableDeclarationList(parentNode) + || ts.isVariableDeclaration(node) && ts.isSyntaxList(parentNode) && children.length === 1 + || ts.isJSDocTypeExpression(node) || ts.isJSDocSignature(node) || ts.isJSDocTypeLiteral(node)) { + parentNode = node; + break; + } + // Synthesize a stop for '${ ... }' since '${' and '}' actually belong to siblings. + if (ts.isTemplateSpan(parentNode) && nextNode && ts.isTemplateMiddleOrTemplateTail(nextNode)) { + var start_1 = node.getFullStart() - "${".length; + var end_2 = nextNode.getStart() + "}".length; + pushSelectionRange(start_1, end_2); + } + // Blocks with braces, brackets, parens, or JSX tags on separate lines should be + // selected from open to close, including whitespace but not including the braces/etc. themselves. + var isBetweenMultiLineBookends = ts.isSyntaxList(node) && isListOpener(prevNode) && isListCloser(nextNode) + && !ts.positionsAreOnSameLine(prevNode.getStart(), nextNode.getStart(), sourceFile); + var start = isBetweenMultiLineBookends ? prevNode.getEnd() : node.getStart(); + var end = isBetweenMultiLineBookends ? nextNode.getStart() : getEndPos(sourceFile, node); + if (ts.hasJSDocNodes(node) && ((_a = node.jsDoc) === null || _a === void 0 ? void 0 : _a.length)) { + pushSelectionRange(ts.first(node.jsDoc).getStart(), end); + } + pushSelectionRange(start, end); + // String literals should have a stop both inside and outside their quotes. + if (ts.isStringLiteral(node) || ts.isTemplateLiteral(node)) { + pushSelectionRange(start + 1, end - 1); + } + parentNode = node; + break; + } + // If we made it to the end of the for loop, we’re done. + // In practice, I’ve only seen this happen at the very end + // of a SourceFile. + if (i === children.length - 1) { + break outer; + } + } + } + return selectionRange; + function pushSelectionRange(start, end) { + // Skip empty ranges + if (start !== end) { + var textSpan = ts.createTextSpanFromBounds(start, end); + if (!selectionRange || ( + // Skip ranges that are identical to the parent + !ts.textSpansEqual(textSpan, selectionRange.textSpan) && + // Skip ranges that don’t contain the original position + ts.textSpanIntersectsWithPosition(textSpan, pos))) { + selectionRange = __assign({ textSpan: textSpan }, selectionRange && { parent: selectionRange }); + } + } + } + function pushSelectionCommentRange(start, end) { + pushSelectionRange(start, end); + var pos = start; + while (sourceFile.text.charCodeAt(pos) === 47 /* CharacterCodes.slash */) { + pos++; + } + pushSelectionRange(pos, end); + } + } + SmartSelectionRange.getSmartSelectionRange = getSmartSelectionRange; + /** + * Like `ts.positionBelongsToNode`, except positions immediately after nodes + * count too, unless that position belongs to the next node. In effect, makes + * selections able to snap to preceding tokens when the cursor is on the tail + * end of them with only whitespace ahead. + * @param sourceFile The source file containing the nodes. + * @param pos The position to check. + * @param node The candidate node to snap to. + */ + function positionShouldSnapToNode(sourceFile, pos, node) { + // Can’t use 'ts.positionBelongsToNode()' here because it cleverly accounts + // for missing nodes, which can’t really be considered when deciding what + // to select. + ts.Debug.assert(node.pos <= pos); + if (pos < node.end) { + return true; + } + var nodeEnd = node.getEnd(); + if (nodeEnd === pos) { + return ts.getTouchingPropertyName(sourceFile, pos).pos < node.end; + } + return false; + } + var isImport = ts.or(ts.isImportDeclaration, ts.isImportEqualsDeclaration); + /** + * Gets the children of a node to be considered for selection ranging, + * transforming them into an artificial tree according to their intuitive + * grouping where no grouping actually exists in the parse tree. For example, + * top-level imports are grouped into their own SyntaxList so they can be + * selected all together, even though in the AST they’re just siblings of each + * other as well as of other top-level statements and declarations. + */ + function getSelectionChildren(node) { + // Group top-level imports + if (ts.isSourceFile(node)) { + return groupChildren(node.getChildAt(0).getChildren(), isImport); + } + // Mapped types _look_ like ObjectTypes with a single member, + // but in fact don’t contain a SyntaxList or a node containing + // the “key/value” pair like ObjectTypes do, but it seems intuitive + // that the selection would snap to those points. The philosophy + // of choosing a selection range is not so much about what the + // syntax currently _is_ as what the syntax might easily become + // if the user is making a selection; e.g., we synthesize a selection + // around the “key/value” pair not because there’s a node there, but + // because it allows the mapped type to become an object type with a + // few keystrokes. + if (ts.isMappedTypeNode(node)) { + var _a = node.getChildren(), openBraceToken = _a[0], children = _a.slice(1); + var closeBraceToken = ts.Debug.checkDefined(children.pop()); + ts.Debug.assertEqual(openBraceToken.kind, 18 /* SyntaxKind.OpenBraceToken */); + ts.Debug.assertEqual(closeBraceToken.kind, 19 /* SyntaxKind.CloseBraceToken */); + // Group `-/+readonly` and `-/+?` + var groupedWithPlusMinusTokens = groupChildren(children, function (child) { + return child === node.readonlyToken || child.kind === 145 /* SyntaxKind.ReadonlyKeyword */ || + child === node.questionToken || child.kind === 57 /* SyntaxKind.QuestionToken */; + }); + // Group type parameter with surrounding brackets + var groupedWithBrackets = groupChildren(groupedWithPlusMinusTokens, function (_a) { + var kind = _a.kind; + return kind === 22 /* SyntaxKind.OpenBracketToken */ || + kind === 163 /* SyntaxKind.TypeParameter */ || + kind === 23 /* SyntaxKind.CloseBracketToken */; + }); + return [ + openBraceToken, + // Pivot on `:` + createSyntaxList(splitChildren(groupedWithBrackets, function (_a) { + var kind = _a.kind; + return kind === 58 /* SyntaxKind.ColonToken */; + })), + closeBraceToken, + ]; + } + // Group modifiers and property name, then pivot on `:`. + if (ts.isPropertySignature(node)) { + var children = groupChildren(node.getChildren(), function (child) { + return child === node.name || ts.contains(node.modifiers, child); + }); + return splitChildren(children, function (_a) { + var kind = _a.kind; + return kind === 58 /* SyntaxKind.ColonToken */; + }); + } + // Group the parameter name with its `...`, then that group with its `?`, then pivot on `=`. + if (ts.isParameter(node)) { + var groupedDotDotDotAndName_1 = groupChildren(node.getChildren(), function (child) { + return child === node.dotDotDotToken || child === node.name; + }); + var groupedWithQuestionToken = groupChildren(groupedDotDotDotAndName_1, function (child) { + return child === groupedDotDotDotAndName_1[0] || child === node.questionToken; + }); + return splitChildren(groupedWithQuestionToken, function (_a) { + var kind = _a.kind; + return kind === 63 /* SyntaxKind.EqualsToken */; + }); + } + // Pivot on '=' + if (ts.isBindingElement(node)) { + return splitChildren(node.getChildren(), function (_a) { + var kind = _a.kind; + return kind === 63 /* SyntaxKind.EqualsToken */; + }); + } + return node.getChildren(); + } + /** + * Groups sibling nodes together into their own SyntaxList if they + * a) are adjacent, AND b) match a predicate function. + */ + function groupChildren(children, groupOn) { + var result = []; + var group; + for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { + var child = children_1[_i]; + if (groupOn(child)) { + group = group || []; + group.push(child); + } + else { + if (group) { + result.push(createSyntaxList(group)); + group = undefined; + } + result.push(child); + } + } + if (group) { + result.push(createSyntaxList(group)); + } + return result; + } + /** + * Splits sibling nodes into up to four partitions: + * 1) everything left of the first node matched by `pivotOn`, + * 2) the first node matched by `pivotOn`, + * 3) everything right of the first node matched by `pivotOn`, + * 4) a trailing semicolon, if `separateTrailingSemicolon` is enabled. + * The left and right groups, if not empty, will each be grouped into their own containing SyntaxList. + * @param children The sibling nodes to split. + * @param pivotOn The predicate function to match the node to be the pivot. The first node that matches + * the predicate will be used; any others that may match will be included into the right-hand group. + * @param separateTrailingSemicolon If the last token is a semicolon, it will be returned as a separate + * child rather than be included in the right-hand group. + */ + function splitChildren(children, pivotOn, separateTrailingSemicolon) { + if (separateTrailingSemicolon === void 0) { separateTrailingSemicolon = true; } + if (children.length < 2) { + return children; + } + var splitTokenIndex = ts.findIndex(children, pivotOn); + if (splitTokenIndex === -1) { + return children; + } + var leftChildren = children.slice(0, splitTokenIndex); + var splitToken = children[splitTokenIndex]; + var lastToken = ts.last(children); + var separateLastToken = separateTrailingSemicolon && lastToken.kind === 26 /* SyntaxKind.SemicolonToken */; + var rightChildren = children.slice(splitTokenIndex + 1, separateLastToken ? children.length - 1 : undefined); + var result = ts.compact([ + leftChildren.length ? createSyntaxList(leftChildren) : undefined, + splitToken, + rightChildren.length ? createSyntaxList(rightChildren) : undefined, + ]); + return separateLastToken ? result.concat(lastToken) : result; + } + function createSyntaxList(children) { + ts.Debug.assertGreaterThanOrEqual(children.length, 1); + return ts.setTextRangePosEnd(ts.parseNodeFactory.createSyntaxList(children), children[0].pos, ts.last(children).end); + } + function isListOpener(token) { + var kind = token && token.kind; + return kind === 18 /* SyntaxKind.OpenBraceToken */ + || kind === 22 /* SyntaxKind.OpenBracketToken */ + || kind === 20 /* SyntaxKind.OpenParenToken */ + || kind === 280 /* SyntaxKind.JsxOpeningElement */; + } + function isListCloser(token) { + var kind = token && token.kind; + return kind === 19 /* SyntaxKind.CloseBraceToken */ + || kind === 23 /* SyntaxKind.CloseBracketToken */ + || kind === 21 /* SyntaxKind.CloseParenToken */ + || kind === 281 /* SyntaxKind.JsxClosingElement */; + } + function getEndPos(sourceFile, node) { + switch (node.kind) { + case 340 /* SyntaxKind.JSDocParameterTag */: + case 338 /* SyntaxKind.JSDocCallbackTag */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + case 345 /* SyntaxKind.JSDocTypedefTag */: + case 342 /* SyntaxKind.JSDocThisTag */: + return sourceFile.getLineEndOfPosition(node.getStart()); + default: + return node.getEnd(); + } + } + })(SmartSelectionRange = ts.SmartSelectionRange || (ts.SmartSelectionRange = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var SignatureHelp; + (function (SignatureHelp) { + var InvocationKind; + (function (InvocationKind) { + InvocationKind[InvocationKind["Call"] = 0] = "Call"; + InvocationKind[InvocationKind["TypeArgs"] = 1] = "TypeArgs"; + InvocationKind[InvocationKind["Contextual"] = 2] = "Contextual"; + })(InvocationKind || (InvocationKind = {})); + function getSignatureHelpItems(program, sourceFile, position, triggerReason, cancellationToken) { + var typeChecker = program.getTypeChecker(); + // Decide whether to show signature help + var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); + if (!startingToken) { + // We are at the beginning of the file + return undefined; + } + // Only need to be careful if the user typed a character and signature help wasn't showing. + var onlyUseSyntacticOwners = !!triggerReason && triggerReason.kind === "characterTyped"; + // Bail out quickly in the middle of a string or comment, don't provide signature help unless the user explicitly requested it. + if (onlyUseSyntacticOwners && (ts.isInString(sourceFile, position, startingToken) || ts.isInComment(sourceFile, position))) { + return undefined; + } + var isManuallyInvoked = !!triggerReason && triggerReason.kind === "invoked"; + var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile, typeChecker, isManuallyInvoked); + if (!argumentInfo) + return undefined; + cancellationToken.throwIfCancellationRequested(); + // Extra syntactic and semantic filtering of signature help + var candidateInfo = getCandidateOrTypeInfo(argumentInfo, typeChecker, sourceFile, startingToken, onlyUseSyntacticOwners); + cancellationToken.throwIfCancellationRequested(); + if (!candidateInfo) { + // We didn't have any sig help items produced by the TS compiler. If this is a JS + // file, then see if we can figure out anything better. + return ts.isSourceFileJS(sourceFile) ? createJSSignatureHelpItems(argumentInfo, program, cancellationToken) : undefined; + } + return typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) { + return candidateInfo.kind === 0 /* CandidateOrTypeKind.Candidate */ + ? createSignatureHelpItems(candidateInfo.candidates, candidateInfo.resolvedSignature, argumentInfo, sourceFile, typeChecker) + : createTypeHelpItems(candidateInfo.symbol, argumentInfo, sourceFile, typeChecker); + }); + } + SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; + var CandidateOrTypeKind; + (function (CandidateOrTypeKind) { + CandidateOrTypeKind[CandidateOrTypeKind["Candidate"] = 0] = "Candidate"; + CandidateOrTypeKind[CandidateOrTypeKind["Type"] = 1] = "Type"; + })(CandidateOrTypeKind || (CandidateOrTypeKind = {})); + function getCandidateOrTypeInfo(_a, checker, sourceFile, startingToken, onlyUseSyntacticOwners) { + var invocation = _a.invocation, argumentCount = _a.argumentCount; + switch (invocation.kind) { + case 0 /* InvocationKind.Call */: { + if (onlyUseSyntacticOwners && !isSyntacticOwner(startingToken, invocation.node, sourceFile)) { + return undefined; + } + var candidates = []; + var resolvedSignature = checker.getResolvedSignatureForSignatureHelp(invocation.node, candidates, argumentCount); // TODO: GH#18217 + return candidates.length === 0 ? undefined : { kind: 0 /* CandidateOrTypeKind.Candidate */, candidates: candidates, resolvedSignature: resolvedSignature }; + } + case 1 /* InvocationKind.TypeArgs */: { + var called = invocation.called; + if (onlyUseSyntacticOwners && !containsPrecedingToken(startingToken, sourceFile, ts.isIdentifier(called) ? called.parent : called)) { + return undefined; + } + var candidates = ts.getPossibleGenericSignatures(called, argumentCount, checker); + if (candidates.length !== 0) + return { kind: 0 /* CandidateOrTypeKind.Candidate */, candidates: candidates, resolvedSignature: ts.first(candidates) }; + var symbol = checker.getSymbolAtLocation(called); + return symbol && { kind: 1 /* CandidateOrTypeKind.Type */, symbol: symbol }; + } + case 2 /* InvocationKind.Contextual */: + return { kind: 0 /* CandidateOrTypeKind.Candidate */, candidates: [invocation.signature], resolvedSignature: invocation.signature }; + default: + return ts.Debug.assertNever(invocation); + } + } + function isSyntacticOwner(startingToken, node, sourceFile) { + if (!ts.isCallOrNewExpression(node)) + return false; + var invocationChildren = node.getChildren(sourceFile); + switch (startingToken.kind) { + case 20 /* SyntaxKind.OpenParenToken */: + return ts.contains(invocationChildren, startingToken); + case 27 /* SyntaxKind.CommaToken */: { + var containingList = ts.findContainingList(startingToken); + return !!containingList && ts.contains(invocationChildren, containingList); + } + case 29 /* SyntaxKind.LessThanToken */: + return containsPrecedingToken(startingToken, sourceFile, node.expression); + default: + return false; + } + } + function createJSSignatureHelpItems(argumentInfo, program, cancellationToken) { + if (argumentInfo.invocation.kind === 2 /* InvocationKind.Contextual */) + return undefined; + // See if we can find some symbol with the call expression name that has call signatures. + var expression = getExpressionFromInvocation(argumentInfo.invocation); + var name = ts.isPropertyAccessExpression(expression) ? expression.name.text : undefined; + var typeChecker = program.getTypeChecker(); + return name === undefined ? undefined : ts.firstDefined(program.getSourceFiles(), function (sourceFile) { + return ts.firstDefined(sourceFile.getNamedDeclarations().get(name), function (declaration) { + var type = declaration.symbol && typeChecker.getTypeOfSymbolAtLocation(declaration.symbol, declaration); + var callSignatures = type && type.getCallSignatures(); + if (callSignatures && callSignatures.length) { + return typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) { return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo, sourceFile, typeChecker, + /*useFullPrefix*/ true); }); + } + }); + }); + } + function containsPrecedingToken(startingToken, sourceFile, container) { + var pos = startingToken.getFullStart(); + // There’s a possibility that `startingToken.parent` contains only `startingToken` and + // missing nodes, none of which are valid to be returned by `findPrecedingToken`. In that + // case, the preceding token we want is actually higher up the tree—almost definitely the + // next parent, but theoretically the situation with missing nodes might be happening on + // multiple nested levels. + var currentParent = startingToken.parent; + while (currentParent) { + var precedingToken = ts.findPrecedingToken(pos, sourceFile, currentParent, /*excludeJsdoc*/ true); + if (precedingToken) { + return ts.rangeContainsRange(container, precedingToken); + } + currentParent = currentParent.parent; + } + return ts.Debug.fail("Could not find preceding token"); + } + function getArgumentInfoForCompletions(node, position, sourceFile) { + var info = getImmediatelyContainingArgumentInfo(node, position, sourceFile); + return !info || info.isTypeParameterList || info.invocation.kind !== 0 /* InvocationKind.Call */ ? undefined + : { invocation: info.invocation.node, argumentCount: info.argumentCount, argumentIndex: info.argumentIndex }; + } + SignatureHelp.getArgumentInfoForCompletions = getArgumentInfoForCompletions; + function getArgumentOrParameterListInfo(node, position, sourceFile) { + var info = getArgumentOrParameterListAndIndex(node, sourceFile); + if (!info) + return undefined; + var list = info.list, argumentIndex = info.argumentIndex; + var argumentCount = getArgumentCount(list, /*ignoreTrailingComma*/ ts.isInString(sourceFile, position, node)); + if (argumentIndex !== 0) { + ts.Debug.assertLessThan(argumentIndex, argumentCount); + } + var argumentsSpan = getApplicableSpanForArguments(list, sourceFile); + return { list: list, argumentIndex: argumentIndex, argumentCount: argumentCount, argumentsSpan: argumentsSpan }; + } + function getArgumentOrParameterListAndIndex(node, sourceFile) { + if (node.kind === 29 /* SyntaxKind.LessThanToken */ || node.kind === 20 /* SyntaxKind.OpenParenToken */) { + // Find the list that starts right *after* the < or ( token. + // If the user has just opened a list, consider this item 0. + return { list: getChildListThatStartsWithOpenerToken(node.parent, node, sourceFile), argumentIndex: 0 }; + } + else { + // findListItemInfo can return undefined if we are not in parent's argument list + // or type argument list. This includes cases where the cursor is: + // - To the right of the closing parenthesis, non-substitution template, or template tail. + // - Between the type arguments and the arguments (greater than token) + // - On the target of the call (parent.func) + // - On the 'new' keyword in a 'new' expression + var list = ts.findContainingList(node); + return list && { list: list, argumentIndex: getArgumentIndex(list, node) }; + } + } + /** + * Returns relevant information for the argument list and the current argument if we are + * in the argument of an invocation; returns undefined otherwise. + */ + function getImmediatelyContainingArgumentInfo(node, position, sourceFile) { + var parent = node.parent; + if (ts.isCallOrNewExpression(parent)) { + var invocation = parent; + // There are 3 cases to handle: + // 1. The token introduces a list, and should begin a signature help session + // 2. The token is either not associated with a list, or ends a list, so the session should end + // 3. The token is buried inside a list, and should give signature help + // + // The following are examples of each: + // + // Case 1: + // foo<#T, U>(#a, b) -> The token introduces a list, and should begin a signature help session + // Case 2: + // fo#o#(a, b)# -> The token is either not associated with a list, or ends a list, so the session should end + // Case 3: + // foo(a#, #b#) -> The token is buried inside a list, and should give signature help + // Find out if 'node' is an argument, a type argument, or neither + var info = getArgumentOrParameterListInfo(node, position, sourceFile); + if (!info) + return undefined; + var list = info.list, argumentIndex = info.argumentIndex, argumentCount = info.argumentCount, argumentsSpan = info.argumentsSpan; + var isTypeParameterList = !!parent.typeArguments && parent.typeArguments.pos === list.pos; + return { isTypeParameterList: isTypeParameterList, invocation: { kind: 0 /* InvocationKind.Call */, node: invocation }, argumentsSpan: argumentsSpan, argumentIndex: argumentIndex, argumentCount: argumentCount }; + } + else if (ts.isNoSubstitutionTemplateLiteral(node) && ts.isTaggedTemplateExpression(parent)) { + // Check if we're actually inside the template; + // otherwise we'll fall out and return undefined. + if (ts.isInsideTemplateLiteral(node, position, sourceFile)) { + return getArgumentListInfoForTemplate(parent, /*argumentIndex*/ 0, sourceFile); + } + return undefined; + } + else if (ts.isTemplateHead(node) && parent.parent.kind === 210 /* SyntaxKind.TaggedTemplateExpression */) { + var templateExpression = parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 223 /* SyntaxKind.TemplateExpression */); + var argumentIndex = ts.isInsideTemplateLiteral(node, position, sourceFile) ? 0 : 1; + return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); + } + else if (ts.isTemplateSpan(parent) && ts.isTaggedTemplateExpression(parent.parent.parent)) { + var templateSpan = parent; + var tagExpression = parent.parent.parent; + // If we're just after a template tail, don't show signature help. + if (ts.isTemplateTail(node) && !ts.isInsideTemplateLiteral(node, position, sourceFile)) { + return undefined; + } + var spanIndex = templateSpan.parent.templateSpans.indexOf(templateSpan); + var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node, position, sourceFile); + return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); + } + else if (ts.isJsxOpeningLikeElement(parent)) { + // Provide a signature help for JSX opening element or JSX self-closing element. + // This is not guarantee that JSX tag-name is resolved into stateless function component. (that is done in "getSignatureHelpItems") + // i.e + // export function MainButton(props: ButtonProps, context: any): JSX.Element { ... } + // ' 'b'. So, in this case the arg count will be 2. However, there + // is a small subtlety. If you have "Foo(a,)", then the child list will just have + // 'a' ''. So, in the case where the last child is a comma, we increase the + // arg count by one to compensate. + // + // Note: this subtlety only applies to the last comma. If you had "Foo(a,," then + // we'll have: 'a' '' '' + // That will give us 2 non-commas. We then add one for the last comma, giving us an + // arg count of 3. + var listChildren = argumentsList.getChildren(); + var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 27 /* SyntaxKind.CommaToken */; }); + if (!ignoreTrailingComma && listChildren.length > 0 && ts.last(listChildren).kind === 27 /* SyntaxKind.CommaToken */) { + argumentCount++; + } + return argumentCount; + } + // spanIndex is either the index for a given template span. + // This does not give appropriate results for a NoSubstitutionTemplateLiteral + function getArgumentIndexForTemplatePiece(spanIndex, node, position, sourceFile) { + // Because the TemplateStringsArray is the first argument, we have to offset each substitution expression by 1. + // There are three cases we can encounter: + // 1. We are precisely in the template literal (argIndex = 0). + // 2. We are in or to the right of the substitution expression (argIndex = spanIndex + 1). + // 3. We are directly to the right of the template literal, but because we look for the token on the left, + // not enough to put us in the substitution expression; we should consider ourselves part of + // the *next* span's expression by offsetting the index (argIndex = (spanIndex + 1) + 1). + // + /* eslint-disable no-double-space */ + // Example: f `# abcd $#{# 1 + 1# }# efghi ${ #"#hello"# } # ` + // ^ ^ ^ ^ ^ ^ ^ ^ ^ + // Case: 1 1 3 2 1 3 2 2 1 + /* eslint-enable no-double-space */ + ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); + if (ts.isTemplateLiteralToken(node)) { + if (ts.isInsideTemplateLiteral(node, position, sourceFile)) { + return 0; + } + return spanIndex + 2; + } + return spanIndex + 1; + } + function getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile) { + // argumentCount is either 1 or (numSpans + 1) to account for the template strings array argument. + var argumentCount = ts.isNoSubstitutionTemplateLiteral(tagExpression.template) ? 1 : tagExpression.template.templateSpans.length + 1; + if (argumentIndex !== 0) { + ts.Debug.assertLessThan(argumentIndex, argumentCount); + } + return { + isTypeParameterList: false, + invocation: { kind: 0 /* InvocationKind.Call */, node: tagExpression }, + argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression, sourceFile), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + function getApplicableSpanForArguments(argumentsList, sourceFile) { + // We use full start and skip trivia on the end because we want to include trivia on + // both sides. For example, + // + // foo( /*comment */ a, b, c /*comment*/ ) + // | | + // + // The applicable span is from the first bar to the second bar (inclusive, + // but not including parentheses) + var applicableSpanStart = argumentsList.getFullStart(); + var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), /*stopAfterLineBreak*/ false); + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getApplicableSpanForTaggedTemplate(taggedTemplate, sourceFile) { + var template = taggedTemplate.template; + var applicableSpanStart = template.getStart(); + var applicableSpanEnd = template.getEnd(); + // We need to adjust the end position for the case where the template does not have a tail. + // Otherwise, we will not show signature help past the expression. + // For example, + // + // ` ${ 1 + 1 foo(10) + // | | + // This is because a Missing node has no width. However, what we actually want is to include trivia + // leading up to the next token in case the user is about to type in a TemplateMiddle or TemplateTail. + if (template.kind === 223 /* SyntaxKind.TemplateExpression */) { + var lastSpan = ts.last(template.templateSpans); + if (lastSpan.literal.getFullWidth() === 0) { + applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, /*stopAfterLineBreak*/ false); + } + } + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getContainingArgumentInfo(node, position, sourceFile, checker, isManuallyInvoked) { + var _loop_9 = function (n) { + // If the node is not a subspan of its parent, this is a big problem. + // There have been crashes that might be caused by this violation. + ts.Debug.assert(ts.rangeContainsRange(n.parent, n), "Not a subspan", function () { return "Child: ".concat(ts.Debug.formatSyntaxKind(n.kind), ", parent: ").concat(ts.Debug.formatSyntaxKind(n.parent.kind)); }); + var argumentInfo = getImmediatelyContainingArgumentOrContextualParameterInfo(n, position, sourceFile, checker); + if (argumentInfo) { + return { value: argumentInfo }; + } + }; + for (var n = node; !ts.isSourceFile(n) && (isManuallyInvoked || !ts.isBlock(n)); n = n.parent) { + var state_4 = _loop_9(n); + if (typeof state_4 === "object") + return state_4.value; + } + return undefined; + } + function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { + var children = parent.getChildren(sourceFile); + var indexOfOpenerToken = children.indexOf(openerToken); + ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); + return children[indexOfOpenerToken + 1]; + } + function getExpressionFromInvocation(invocation) { + return invocation.kind === 0 /* InvocationKind.Call */ ? ts.getInvokedExpression(invocation.node) : invocation.called; + } + function getEnclosingDeclarationFromInvocation(invocation) { + return invocation.kind === 0 /* InvocationKind.Call */ ? invocation.node : invocation.kind === 1 /* InvocationKind.TypeArgs */ ? invocation.called : invocation.node; + } + var signatureHelpNodeBuilderFlags = 8192 /* NodeBuilderFlags.OmitParameterModifiers */ | 70221824 /* NodeBuilderFlags.IgnoreErrors */ | 16384 /* NodeBuilderFlags.UseAliasDefinedOutsideCurrentScope */; + function createSignatureHelpItems(candidates, resolvedSignature, _a, sourceFile, typeChecker, useFullPrefix) { + var _b; + var isTypeParameterList = _a.isTypeParameterList, argumentCount = _a.argumentCount, applicableSpan = _a.argumentsSpan, invocation = _a.invocation, argumentIndex = _a.argumentIndex; + var enclosingDeclaration = getEnclosingDeclarationFromInvocation(invocation); + var callTargetSymbol = invocation.kind === 2 /* InvocationKind.Contextual */ ? invocation.symbol : (typeChecker.getSymbolAtLocation(getExpressionFromInvocation(invocation)) || useFullPrefix && ((_b = resolvedSignature.declaration) === null || _b === void 0 ? void 0 : _b.symbol)); + var callTargetDisplayParts = callTargetSymbol ? ts.symbolToDisplayParts(typeChecker, callTargetSymbol, useFullPrefix ? sourceFile : undefined, /*meaning*/ undefined) : ts.emptyArray; + var items = ts.map(candidates, function (candidateSignature) { return getSignatureHelpItem(candidateSignature, callTargetDisplayParts, isTypeParameterList, typeChecker, enclosingDeclaration, sourceFile); }); + if (argumentIndex !== 0) { + ts.Debug.assertLessThan(argumentIndex, argumentCount); + } + var selectedItemIndex = 0; + var itemsSeen = 0; + for (var i = 0; i < items.length; i++) { + var item = items[i]; + if (candidates[i] === resolvedSignature) { + selectedItemIndex = itemsSeen; + if (item.length > 1) { + // check to see if any items in the list better match than the first one, as the checker isn't filtering the nested lists + // (those come from tuple parameter expansion) + var count = 0; + for (var _i = 0, item_1 = item; _i < item_1.length; _i++) { + var i_1 = item_1[_i]; + if (i_1.isVariadic || i_1.parameters.length >= argumentCount) { + selectedItemIndex = itemsSeen + count; + break; + } + count++; + } + } + } + itemsSeen += item.length; + } + ts.Debug.assert(selectedItemIndex !== -1); // If candidates is non-empty it should always include bestSignature. We check for an empty candidates before calling this function. + var help = { items: ts.flatMapToMutable(items, ts.identity), applicableSpan: applicableSpan, selectedItemIndex: selectedItemIndex, argumentIndex: argumentIndex, argumentCount: argumentCount }; + var selected = help.items[selectedItemIndex]; + if (selected.isVariadic) { + var firstRest = ts.findIndex(selected.parameters, function (p) { return !!p.isRest; }); + if (-1 < firstRest && firstRest < selected.parameters.length - 1) { + // We don't have any code to get this correct; instead, don't highlight a current parameter AT ALL + help.argumentIndex = selected.parameters.length; + } + else { + help.argumentIndex = Math.min(help.argumentIndex, selected.parameters.length - 1); + } + } + return help; + } + function createTypeHelpItems(symbol, _a, sourceFile, checker) { + var argumentCount = _a.argumentCount, applicableSpan = _a.argumentsSpan, invocation = _a.invocation, argumentIndex = _a.argumentIndex; + var typeParameters = checker.getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (!typeParameters) + return undefined; + var items = [getTypeHelpItem(symbol, typeParameters, checker, getEnclosingDeclarationFromInvocation(invocation), sourceFile)]; + return { items: items, applicableSpan: applicableSpan, selectedItemIndex: 0, argumentIndex: argumentIndex, argumentCount: argumentCount }; + } + function getTypeHelpItem(symbol, typeParameters, checker, enclosingDeclaration, sourceFile) { + var typeSymbolDisplay = ts.symbolToDisplayParts(checker, symbol); + var printer = ts.createPrinter({ removeComments: true }); + var parameters = typeParameters.map(function (t) { return createSignatureHelpParameterForTypeParameter(t, checker, enclosingDeclaration, sourceFile, printer); }); + var documentation = symbol.getDocumentationComment(checker); + var tags = symbol.getJsDocTags(checker); + var prefixDisplayParts = __spreadArray(__spreadArray([], typeSymbolDisplay, true), [ts.punctuationPart(29 /* SyntaxKind.LessThanToken */)], false); + return { isVariadic: false, prefixDisplayParts: prefixDisplayParts, suffixDisplayParts: [ts.punctuationPart(31 /* SyntaxKind.GreaterThanToken */)], separatorDisplayParts: separatorDisplayParts, parameters: parameters, documentation: documentation, tags: tags }; + } + var separatorDisplayParts = [ts.punctuationPart(27 /* SyntaxKind.CommaToken */), ts.spacePart()]; + function getSignatureHelpItem(candidateSignature, callTargetDisplayParts, isTypeParameterList, checker, enclosingDeclaration, sourceFile) { + var infos = (isTypeParameterList ? itemInfoForTypeParameters : itemInfoForParameters)(candidateSignature, checker, enclosingDeclaration, sourceFile); + return ts.map(infos, function (_a) { + var isVariadic = _a.isVariadic, parameters = _a.parameters, prefix = _a.prefix, suffix = _a.suffix; + var prefixDisplayParts = __spreadArray(__spreadArray([], callTargetDisplayParts, true), prefix, true); + var suffixDisplayParts = __spreadArray(__spreadArray([], suffix, true), returnTypeToDisplayParts(candidateSignature, enclosingDeclaration, checker), true); + var documentation = candidateSignature.getDocumentationComment(checker); + var tags = candidateSignature.getJsDocTags(); + return { isVariadic: isVariadic, prefixDisplayParts: prefixDisplayParts, suffixDisplayParts: suffixDisplayParts, separatorDisplayParts: separatorDisplayParts, parameters: parameters, documentation: documentation, tags: tags }; + }); + } + function returnTypeToDisplayParts(candidateSignature, enclosingDeclaration, checker) { + return ts.mapToDisplayParts(function (writer) { + writer.writePunctuation(":"); + writer.writeSpace(" "); + var predicate = checker.getTypePredicateOfSignature(candidateSignature); + if (predicate) { + checker.writeTypePredicate(predicate, enclosingDeclaration, /*flags*/ undefined, writer); + } + else { + checker.writeType(checker.getReturnTypeOfSignature(candidateSignature), enclosingDeclaration, /*flags*/ undefined, writer); + } + }); + } + function itemInfoForTypeParameters(candidateSignature, checker, enclosingDeclaration, sourceFile) { + var typeParameters = (candidateSignature.target || candidateSignature).typeParameters; + var printer = ts.createPrinter({ removeComments: true }); + var parameters = (typeParameters || ts.emptyArray).map(function (t) { return createSignatureHelpParameterForTypeParameter(t, checker, enclosingDeclaration, sourceFile, printer); }); + var thisParameter = candidateSignature.thisParameter ? [checker.symbolToParameterDeclaration(candidateSignature.thisParameter, enclosingDeclaration, signatureHelpNodeBuilderFlags)] : []; + return checker.getExpandedParameters(candidateSignature).map(function (paramList) { + var params = ts.factory.createNodeArray(__spreadArray(__spreadArray([], thisParameter, true), ts.map(paramList, function (param) { return checker.symbolToParameterDeclaration(param, enclosingDeclaration, signatureHelpNodeBuilderFlags); }), true)); + var parameterParts = ts.mapToDisplayParts(function (writer) { + printer.writeList(2576 /* ListFormat.CallExpressionArguments */, params, sourceFile, writer); + }); + return { isVariadic: false, parameters: parameters, prefix: [ts.punctuationPart(29 /* SyntaxKind.LessThanToken */)], suffix: __spreadArray([ts.punctuationPart(31 /* SyntaxKind.GreaterThanToken */)], parameterParts, true) }; + }); + } + function itemInfoForParameters(candidateSignature, checker, enclosingDeclaration, sourceFile) { + var printer = ts.createPrinter({ removeComments: true }); + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + if (candidateSignature.typeParameters && candidateSignature.typeParameters.length) { + var args = ts.factory.createNodeArray(candidateSignature.typeParameters.map(function (p) { return checker.typeParameterToDeclaration(p, enclosingDeclaration, signatureHelpNodeBuilderFlags); })); + printer.writeList(53776 /* ListFormat.TypeParameters */, args, sourceFile, writer); + } + }); + var lists = checker.getExpandedParameters(candidateSignature); + var isVariadic = !checker.hasEffectiveRestParameter(candidateSignature) ? function (_) { return false; } + : lists.length === 1 ? function (_) { return true; } + : function (pList) { return !!(pList.length && pList[pList.length - 1].checkFlags & 32768 /* CheckFlags.RestParameter */); }; + return lists.map(function (parameterList) { return ({ + isVariadic: isVariadic(parameterList), + parameters: parameterList.map(function (p) { return createSignatureHelpParameterForParameter(p, checker, enclosingDeclaration, sourceFile, printer); }), + prefix: __spreadArray(__spreadArray([], typeParameterParts, true), [ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */)], false), + suffix: [ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)] + }); }); + } + function createSignatureHelpParameterForParameter(parameter, checker, enclosingDeclaration, sourceFile, printer) { + var displayParts = ts.mapToDisplayParts(function (writer) { + var param = checker.symbolToParameterDeclaration(parameter, enclosingDeclaration, signatureHelpNodeBuilderFlags); + printer.writeNode(4 /* EmitHint.Unspecified */, param, sourceFile, writer); + }); + var isOptional = checker.isOptionalParameter(parameter.valueDeclaration); + var isRest = !!(parameter.checkFlags & 32768 /* CheckFlags.RestParameter */); + return { name: parameter.name, documentation: parameter.getDocumentationComment(checker), displayParts: displayParts, isOptional: isOptional, isRest: isRest }; + } + function createSignatureHelpParameterForTypeParameter(typeParameter, checker, enclosingDeclaration, sourceFile, printer) { + var displayParts = ts.mapToDisplayParts(function (writer) { + var param = checker.typeParameterToDeclaration(typeParameter, enclosingDeclaration, signatureHelpNodeBuilderFlags); + printer.writeNode(4 /* EmitHint.Unspecified */, param, sourceFile, writer); + }); + return { name: typeParameter.symbol.name, documentation: typeParameter.symbol.getDocumentationComment(checker), displayParts: displayParts, isOptional: false, isRest: false }; + } + })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var InlayHints; + (function (InlayHints) { + var maxHintsLength = 30; + var leadingParameterNameCommentRegexFactory = function (name) { + return new RegExp("^\\s?/\\*\\*?\\s?".concat(name, "\\s?\\*\\/\\s?$")); + }; + function shouldShowParameterNameHints(preferences) { + return preferences.includeInlayParameterNameHints === "literals" || preferences.includeInlayParameterNameHints === "all"; + } + function shouldShowLiteralParameterNameHintsOnly(preferences) { + return preferences.includeInlayParameterNameHints === "literals"; + } + function provideInlayHints(context) { + var file = context.file, program = context.program, span = context.span, cancellationToken = context.cancellationToken, preferences = context.preferences; + var sourceFileText = file.text; + var compilerOptions = program.getCompilerOptions(); + var checker = program.getTypeChecker(); + var result = []; + visitor(file); + return result; + function visitor(node) { + if (!node || node.getFullWidth() === 0) { + return; + } + switch (node.kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 214 /* SyntaxKind.ArrowFunction */: + cancellationToken.throwIfCancellationRequested(); + } + if (!ts.textSpanIntersectsWith(span, node.pos, node.getFullWidth())) { + return; + } + if (ts.isTypeNode(node)) { + return; + } + if (preferences.includeInlayVariableTypeHints && ts.isVariableDeclaration(node)) { + visitVariableLikeDeclaration(node); + } + else if (preferences.includeInlayPropertyDeclarationTypeHints && ts.isPropertyDeclaration(node)) { + visitVariableLikeDeclaration(node); + } + else if (preferences.includeInlayEnumMemberValueHints && ts.isEnumMember(node)) { + visitEnumMember(node); + } + else if (shouldShowParameterNameHints(preferences) && (ts.isCallExpression(node) || ts.isNewExpression(node))) { + visitCallOrNewExpression(node); + } + else { + if (preferences.includeInlayFunctionParameterTypeHints && ts.isFunctionLikeDeclaration(node) && ts.hasContextSensitiveParameters(node)) { + visitFunctionLikeForParameterType(node); + } + if (preferences.includeInlayFunctionLikeReturnTypeHints && isSignatureSupportingReturnAnnotation(node)) { + visitFunctionDeclarationLikeForReturnType(node); + } + } + return ts.forEachChild(node, visitor); + } + function isSignatureSupportingReturnAnnotation(node) { + return ts.isArrowFunction(node) || ts.isFunctionExpression(node) || ts.isFunctionDeclaration(node) || ts.isMethodDeclaration(node) || ts.isGetAccessorDeclaration(node); + } + function addParameterHints(text, position, isFirstVariadicArgument) { + result.push({ + text: "".concat(isFirstVariadicArgument ? "..." : "").concat(truncation(text, maxHintsLength), ":"), + position: position, + kind: "Parameter" /* InlayHintKind.Parameter */, + whitespaceAfter: true, + }); + } + function addTypeHints(text, position) { + result.push({ + text: ": ".concat(truncation(text, maxHintsLength)), + position: position, + kind: "Type" /* InlayHintKind.Type */, + whitespaceBefore: true, + }); + } + function addEnumMemberValueHints(text, position) { + result.push({ + text: "= ".concat(truncation(text, maxHintsLength)), + position: position, + kind: "Enum" /* InlayHintKind.Enum */, + whitespaceBefore: true, + }); + } + function visitEnumMember(member) { + if (member.initializer) { + return; + } + var enumValue = checker.getConstantValue(member); + if (enumValue !== undefined) { + addEnumMemberValueHints(enumValue.toString(), member.end); + } + } + function isModuleReferenceType(type) { + return type.symbol && (type.symbol.flags & 1536 /* SymbolFlags.Module */); + } + function visitVariableLikeDeclaration(decl) { + if (!decl.initializer || ts.isBindingPattern(decl.name)) { + return; + } + var effectiveTypeAnnotation = ts.getEffectiveTypeAnnotationNode(decl); + if (effectiveTypeAnnotation) { + return; + } + var declarationType = checker.getTypeAtLocation(decl); + if (isModuleReferenceType(declarationType)) { + return; + } + var typeDisplayString = printTypeInSingleLine(declarationType); + if (typeDisplayString) { + addTypeHints(typeDisplayString, decl.name.end); + } + } + function visitCallOrNewExpression(expr) { + var args = expr.arguments; + if (!args || !args.length) { + return; + } + var candidates = []; + var signature = checker.getResolvedSignatureForSignatureHelp(expr, candidates); + if (!signature || !candidates.length) { + return; + } + for (var i = 0; i < args.length; ++i) { + var originalArg = args[i]; + var arg = ts.skipParentheses(originalArg); + if (shouldShowLiteralParameterNameHintsOnly(preferences) && !isHintableLiteral(arg)) { + continue; + } + var identifierNameInfo = checker.getParameterIdentifierNameAtPosition(signature, i); + if (identifierNameInfo) { + var parameterName = identifierNameInfo[0], isFirstVariadicArgument = identifierNameInfo[1]; + var isParameterNameNotSameAsArgument = preferences.includeInlayParameterNameHintsWhenArgumentMatchesName || !identifierOrAccessExpressionPostfixMatchesParameterName(arg, parameterName); + if (!isParameterNameNotSameAsArgument && !isFirstVariadicArgument) { + continue; + } + var name = ts.unescapeLeadingUnderscores(parameterName); + if (leadingCommentsContainsParameterName(arg, name)) { + continue; + } + addParameterHints(name, originalArg.getStart(), isFirstVariadicArgument); + } + } + } + function identifierOrAccessExpressionPostfixMatchesParameterName(expr, parameterName) { + if (ts.isIdentifier(expr)) { + return expr.text === parameterName; + } + if (ts.isPropertyAccessExpression(expr)) { + return expr.name.text === parameterName; + } + return false; + } + function leadingCommentsContainsParameterName(node, name) { + if (!ts.isIdentifierText(name, compilerOptions.target, ts.getLanguageVariant(file.scriptKind))) { + return false; + } + var ranges = ts.getLeadingCommentRanges(sourceFileText, node.pos); + if (!(ranges === null || ranges === void 0 ? void 0 : ranges.length)) { + return false; + } + var regex = leadingParameterNameCommentRegexFactory(name); + return ts.some(ranges, function (range) { return regex.test(sourceFileText.substring(range.pos, range.end)); }); + } + function isHintableLiteral(node) { + switch (node.kind) { + case 219 /* SyntaxKind.PrefixUnaryExpression */: { + var operand = node.operand; + return ts.isLiteralExpression(operand) || ts.isIdentifier(operand) && ts.isInfinityOrNaNString(operand.escapedText); + } + case 110 /* SyntaxKind.TrueKeyword */: + case 95 /* SyntaxKind.FalseKeyword */: + case 104 /* SyntaxKind.NullKeyword */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 223 /* SyntaxKind.TemplateExpression */: + return true; + case 79 /* SyntaxKind.Identifier */: { + var name = node.escapedText; + return isUndefined(name) || ts.isInfinityOrNaNString(name); + } + } + return ts.isLiteralExpression(node); + } + function visitFunctionDeclarationLikeForReturnType(decl) { + if (ts.isArrowFunction(decl)) { + if (!ts.findChildOfKind(decl, 20 /* SyntaxKind.OpenParenToken */, file)) { + return; + } + } + var effectiveTypeAnnotation = ts.getEffectiveReturnTypeNode(decl); + if (effectiveTypeAnnotation || !decl.body) { + return; + } + var signature = checker.getSignatureFromDeclaration(decl); + if (!signature) { + return; + } + var returnType = checker.getReturnTypeOfSignature(signature); + if (isModuleReferenceType(returnType)) { + return; + } + var typeDisplayString = printTypeInSingleLine(returnType); + if (!typeDisplayString) { + return; + } + addTypeHints(typeDisplayString, getTypeAnnotationPosition(decl)); + } + function getTypeAnnotationPosition(decl) { + var closeParenToken = ts.findChildOfKind(decl, 21 /* SyntaxKind.CloseParenToken */, file); + if (closeParenToken) { + return closeParenToken.end; + } + return decl.parameters.end; + } + function visitFunctionLikeForParameterType(node) { + var signature = checker.getSignatureFromDeclaration(node); + if (!signature) { + return; + } + for (var i = 0; i < node.parameters.length && i < signature.parameters.length; ++i) { + var param = node.parameters[i]; + var effectiveTypeAnnotation = ts.getEffectiveTypeAnnotationNode(param); + if (effectiveTypeAnnotation) { + continue; + } + var typeDisplayString = getParameterDeclarationTypeDisplayString(signature.parameters[i]); + if (!typeDisplayString) { + continue; + } + addTypeHints(typeDisplayString, param.questionToken ? param.questionToken.end : param.name.end); + } + } + function getParameterDeclarationTypeDisplayString(symbol) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || !ts.isParameter(valueDeclaration)) { + return undefined; + } + var signatureParamType = checker.getTypeOfSymbolAtLocation(symbol, valueDeclaration); + if (isModuleReferenceType(signatureParamType)) { + return undefined; + } + return printTypeInSingleLine(signatureParamType); + } + function truncation(text, maxLength) { + if (text.length > maxLength) { + return text.substr(0, maxLength - "...".length) + "..."; + } + return text; + } + function printTypeInSingleLine(type) { + var flags = 70221824 /* NodeBuilderFlags.IgnoreErrors */ | 1048576 /* TypeFormatFlags.AllowUniqueESSymbolType */ | 16384 /* TypeFormatFlags.UseAliasDefinedOutsideCurrentScope */; + var options = { removeComments: true }; + var printer = ts.createPrinter(options); + return ts.usingSingleLineStringWriter(function (writer) { + var typeNode = checker.typeToTypeNode(type, /*enclosingDeclaration*/ undefined, flags, writer); + ts.Debug.assertIsDefined(typeNode, "should always get typenode"); + printer.writeNode(4 /* EmitHint.Unspecified */, typeNode, /*sourceFile*/ file, writer); + }); + } + function isUndefined(name) { + return name === "undefined"; + } + } + InlayHints.provideInlayHints = provideInlayHints; + })(InlayHints = ts.InlayHints || (ts.InlayHints = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var base64UrlRegExp = /^data:(?:application\/json(?:;charset=[uU][tT][fF]-8);base64,([A-Za-z0-9+\/=]+)$)?/; + function getSourceMapper(host) { + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames()); + var currentDirectory = host.getCurrentDirectory(); + var sourceFileLike = new ts.Map(); + var documentPositionMappers = new ts.Map(); + return { tryGetSourcePosition: tryGetSourcePosition, tryGetGeneratedPosition: tryGetGeneratedPosition, toLineColumnOffset: toLineColumnOffset, clearCache: clearCache }; + function toPath(fileName) { + return ts.toPath(fileName, currentDirectory, getCanonicalFileName); + } + function getDocumentPositionMapper(generatedFileName, sourceFileName) { + var path = toPath(generatedFileName); + var value = documentPositionMappers.get(path); + if (value) + return value; + var mapper; + if (host.getDocumentPositionMapper) { + mapper = host.getDocumentPositionMapper(generatedFileName, sourceFileName); + } + else if (host.readFile) { + var file = getSourceFileLike(generatedFileName); + mapper = file && ts.getDocumentPositionMapper({ getSourceFileLike: getSourceFileLike, getCanonicalFileName: getCanonicalFileName, log: function (s) { return host.log(s); } }, generatedFileName, ts.getLineInfo(file.text, ts.getLineStarts(file)), function (f) { return !host.fileExists || host.fileExists(f) ? host.readFile(f) : undefined; }); + } + documentPositionMappers.set(path, mapper || ts.identitySourceMapConsumer); + return mapper || ts.identitySourceMapConsumer; + } + function tryGetSourcePosition(info) { + if (!ts.isDeclarationFileName(info.fileName)) + return undefined; + var file = getSourceFile(info.fileName); + if (!file) + return undefined; + var newLoc = getDocumentPositionMapper(info.fileName).getSourcePosition(info); + return !newLoc || newLoc === info ? undefined : tryGetSourcePosition(newLoc) || newLoc; + } + function tryGetGeneratedPosition(info) { + if (ts.isDeclarationFileName(info.fileName)) + return undefined; + var sourceFile = getSourceFile(info.fileName); + if (!sourceFile) + return undefined; + var program = host.getProgram(); + // If this is source file of project reference source (instead of redirect) there is no generated position + if (program.isSourceOfProjectReferenceRedirect(sourceFile.fileName)) { + return undefined; + } + var options = program.getCompilerOptions(); + var outPath = ts.outFile(options); + var declarationPath = outPath ? + ts.removeFileExtension(outPath) + ".d.ts" /* Extension.Dts */ : + ts.getDeclarationEmitOutputFilePathWorker(info.fileName, program.getCompilerOptions(), currentDirectory, program.getCommonSourceDirectory(), getCanonicalFileName); + if (declarationPath === undefined) + return undefined; + var newLoc = getDocumentPositionMapper(declarationPath, info.fileName).getGeneratedPosition(info); + return newLoc === info ? undefined : newLoc; + } + function getSourceFile(fileName) { + var program = host.getProgram(); + if (!program) + return undefined; + var path = toPath(fileName); + // file returned here could be .d.ts when asked for .ts file if projectReferences and module resolution created this source file + var file = program.getSourceFileByPath(path); + return file && file.resolvedPath === path ? file : undefined; + } + function getOrCreateSourceFileLike(fileName) { + var path = toPath(fileName); + var fileFromCache = sourceFileLike.get(path); + if (fileFromCache !== undefined) + return fileFromCache ? fileFromCache : undefined; + if (!host.readFile || host.fileExists && !host.fileExists(path)) { + sourceFileLike.set(path, false); + return undefined; + } + // And failing that, check the disk + var text = host.readFile(path); + var file = text ? createSourceFileLike(text) : false; + sourceFileLike.set(path, file); + return file ? file : undefined; + } + // This can be called from source mapper in either source program or program that includes generated file + function getSourceFileLike(fileName) { + return !host.getSourceFileLike ? + getSourceFile(fileName) || getOrCreateSourceFileLike(fileName) : + host.getSourceFileLike(fileName); + } + function toLineColumnOffset(fileName, position) { + var file = getSourceFileLike(fileName); // TODO: GH#18217 + return file.getLineAndCharacterOfPosition(position); + } + function clearCache() { + sourceFileLike.clear(); + documentPositionMappers.clear(); + } + } + ts.getSourceMapper = getSourceMapper; + function getDocumentPositionMapper(host, generatedFileName, generatedFileLineInfo, readMapFile) { + var mapFileName = ts.tryGetSourceMappingURL(generatedFileLineInfo); + if (mapFileName) { + var match = base64UrlRegExp.exec(mapFileName); + if (match) { + if (match[1]) { + var base64Object = match[1]; + return convertDocumentToSourceMapper(host, ts.base64decode(ts.sys, base64Object), generatedFileName); + } + // Not a data URL we can parse, skip it + mapFileName = undefined; + } + } + var possibleMapLocations = []; + if (mapFileName) { + possibleMapLocations.push(mapFileName); + } + possibleMapLocations.push(generatedFileName + ".map"); + var originalMapFileName = mapFileName && ts.getNormalizedAbsolutePath(mapFileName, ts.getDirectoryPath(generatedFileName)); + for (var _i = 0, possibleMapLocations_1 = possibleMapLocations; _i < possibleMapLocations_1.length; _i++) { + var location = possibleMapLocations_1[_i]; + var mapFileName_1 = ts.getNormalizedAbsolutePath(location, ts.getDirectoryPath(generatedFileName)); + var mapFileContents = readMapFile(mapFileName_1, originalMapFileName); + if (ts.isString(mapFileContents)) { + return convertDocumentToSourceMapper(host, mapFileContents, mapFileName_1); + } + if (mapFileContents !== undefined) { + return mapFileContents || undefined; + } + } + return undefined; + } + ts.getDocumentPositionMapper = getDocumentPositionMapper; + function convertDocumentToSourceMapper(host, contents, mapFileName) { + var map = ts.tryParseRawSourceMap(contents); + if (!map || !map.sources || !map.file || !map.mappings) { + // obviously invalid map + return undefined; + } + // Dont support sourcemaps that contain inlined sources + if (map.sourcesContent && map.sourcesContent.some(ts.isString)) + return undefined; + return ts.createDocumentPositionMapper(host, map, mapFileName); + } + function createSourceFileLike(text, lineMap) { + return { + text: text, + lineMap: lineMap, + getLineAndCharacterOfPosition: function (pos) { + return ts.computeLineAndCharacterOfPosition(ts.getLineStarts(this), pos); + } + }; + } +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var visitedNestedConvertibleFunctions = new ts.Map(); + function computeSuggestionDiagnostics(sourceFile, program, cancellationToken) { + program.getSemanticDiagnostics(sourceFile, cancellationToken); + var diags = []; + var checker = program.getTypeChecker(); + var isCommonJSFile = sourceFile.impliedNodeFormat === ts.ModuleKind.CommonJS || ts.fileExtensionIsOneOf(sourceFile.fileName, [".cts" /* Extension.Cts */, ".cjs" /* Extension.Cjs */]); + if (!isCommonJSFile && + sourceFile.commonJsModuleIndicator && + (ts.programContainsEsModules(program) || ts.compilerOptionsIndicateEsModules(program.getCompilerOptions())) && + containsTopLevelCommonjs(sourceFile)) { + diags.push(ts.createDiagnosticForNode(getErrorNodeFromCommonJsIndicator(sourceFile.commonJsModuleIndicator), ts.Diagnostics.File_is_a_CommonJS_module_it_may_be_converted_to_an_ES_module)); + } + var isJsFile = ts.isSourceFileJS(sourceFile); + visitedNestedConvertibleFunctions.clear(); + check(sourceFile); + if (ts.getAllowSyntheticDefaultImports(program.getCompilerOptions())) { + for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) { + var moduleSpecifier = _a[_i]; + var importNode = ts.importFromModuleSpecifier(moduleSpecifier); + var name = importNameForConvertToDefaultImport(importNode); + if (!name) + continue; + var module_1 = ts.getResolvedModule(sourceFile, moduleSpecifier.text, ts.getModeForUsageLocation(sourceFile, moduleSpecifier)); + var resolvedFile = module_1 && program.getSourceFile(module_1.resolvedFileName); + if (resolvedFile && resolvedFile.externalModuleIndicator && resolvedFile.externalModuleIndicator !== true && ts.isExportAssignment(resolvedFile.externalModuleIndicator) && resolvedFile.externalModuleIndicator.isExportEquals) { + diags.push(ts.createDiagnosticForNode(name, ts.Diagnostics.Import_may_be_converted_to_a_default_import)); + } + } + } + ts.addRange(diags, sourceFile.bindSuggestionDiagnostics); + ts.addRange(diags, program.getSuggestionDiagnostics(sourceFile, cancellationToken)); + return diags.sort(function (d1, d2) { return d1.start - d2.start; }); + function check(node) { + if (isJsFile) { + if (canBeConvertedToClass(node, checker)) { + diags.push(ts.createDiagnosticForNode(ts.isVariableDeclaration(node.parent) ? node.parent.name : node, ts.Diagnostics.This_constructor_function_may_be_converted_to_a_class_declaration)); + } + } + else { + if (ts.isVariableStatement(node) && + node.parent === sourceFile && + node.declarationList.flags & 2 /* NodeFlags.Const */ && + node.declarationList.declarations.length === 1) { + var init = node.declarationList.declarations[0].initializer; + if (init && ts.isRequireCall(init, /*checkArgumentIsStringLiteralLike*/ true)) { + diags.push(ts.createDiagnosticForNode(init, ts.Diagnostics.require_call_may_be_converted_to_an_import)); + } + } + if (ts.codefix.parameterShouldGetTypeFromJSDoc(node)) { + diags.push(ts.createDiagnosticForNode(node.name || node, ts.Diagnostics.JSDoc_types_may_be_moved_to_TypeScript_types)); + } + } + if (canBeConvertedToAsync(node)) { + addConvertToAsyncFunctionDiagnostics(node, checker, diags); + } + node.forEachChild(check); + } + } + ts.computeSuggestionDiagnostics = computeSuggestionDiagnostics; + // convertToEsModule only works on top-level, so don't trigger it if commonjs code only appears in nested scopes. + function containsTopLevelCommonjs(sourceFile) { + return sourceFile.statements.some(function (statement) { + switch (statement.kind) { + case 237 /* SyntaxKind.VariableStatement */: + return statement.declarationList.declarations.some(function (decl) { + return !!decl.initializer && ts.isRequireCall(propertyAccessLeftHandSide(decl.initializer), /*checkArgumentIsStringLiteralLike*/ true); + }); + case 238 /* SyntaxKind.ExpressionStatement */: { + var expression = statement.expression; + if (!ts.isBinaryExpression(expression)) + return ts.isRequireCall(expression, /*checkArgumentIsStringLiteralLike*/ true); + var kind = ts.getAssignmentDeclarationKind(expression); + return kind === 1 /* AssignmentDeclarationKind.ExportsProperty */ || kind === 2 /* AssignmentDeclarationKind.ModuleExports */; + } + default: + return false; + } + }); + } + function propertyAccessLeftHandSide(node) { + return ts.isPropertyAccessExpression(node) ? propertyAccessLeftHandSide(node.expression) : node; + } + function importNameForConvertToDefaultImport(node) { + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + var importClause = node.importClause, moduleSpecifier = node.moduleSpecifier; + return importClause && !importClause.name && importClause.namedBindings && importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */ && ts.isStringLiteral(moduleSpecifier) + ? importClause.namedBindings.name + : undefined; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return node.name; + default: + return undefined; + } + } + function addConvertToAsyncFunctionDiagnostics(node, checker, diags) { + // need to check function before checking map so that deeper levels of nested callbacks are checked + if (isConvertibleFunction(node, checker) && !visitedNestedConvertibleFunctions.has(getKeyFromNode(node))) { + diags.push(ts.createDiagnosticForNode(!node.name && ts.isVariableDeclaration(node.parent) && ts.isIdentifier(node.parent.name) ? node.parent.name : node, ts.Diagnostics.This_may_be_converted_to_an_async_function)); + } + } + function isConvertibleFunction(node, checker) { + return !ts.isAsyncFunction(node) && + node.body && + ts.isBlock(node.body) && + hasReturnStatementWithPromiseHandler(node.body, checker) && + returnsPromise(node, checker); + } + function returnsPromise(node, checker) { + var signature = checker.getSignatureFromDeclaration(node); + var returnType = signature ? checker.getReturnTypeOfSignature(signature) : undefined; + return !!returnType && !!checker.getPromisedTypeOfPromise(returnType); + } + ts.returnsPromise = returnsPromise; + function getErrorNodeFromCommonJsIndicator(commonJsModuleIndicator) { + return ts.isBinaryExpression(commonJsModuleIndicator) ? commonJsModuleIndicator.left : commonJsModuleIndicator; + } + function hasReturnStatementWithPromiseHandler(body, checker) { + return !!ts.forEachReturnStatement(body, function (statement) { return isReturnStatementWithFixablePromiseHandler(statement, checker); }); + } + function isReturnStatementWithFixablePromiseHandler(node, checker) { + return ts.isReturnStatement(node) && !!node.expression && isFixablePromiseHandler(node.expression, checker); + } + ts.isReturnStatementWithFixablePromiseHandler = isReturnStatementWithFixablePromiseHandler; + // Should be kept up to date with transformExpression in convertToAsyncFunction.ts + function isFixablePromiseHandler(node, checker) { + // ensure outermost call exists and is a promise handler + if (!isPromiseHandler(node) || !hasSupportedNumberOfArguments(node) || !node.arguments.every(function (arg) { return isFixablePromiseArgument(arg, checker); })) { + return false; + } + // ensure all chained calls are valid + var currentNode = node.expression.expression; + while (isPromiseHandler(currentNode) || ts.isPropertyAccessExpression(currentNode)) { + if (ts.isCallExpression(currentNode)) { + if (!hasSupportedNumberOfArguments(currentNode) || !currentNode.arguments.every(function (arg) { return isFixablePromiseArgument(arg, checker); })) { + return false; + } + currentNode = currentNode.expression.expression; + } + else { + currentNode = currentNode.expression; + } + } + return true; + } + ts.isFixablePromiseHandler = isFixablePromiseHandler; + function isPromiseHandler(node) { + return ts.isCallExpression(node) && (ts.hasPropertyAccessExpressionWithName(node, "then") || + ts.hasPropertyAccessExpressionWithName(node, "catch") || + ts.hasPropertyAccessExpressionWithName(node, "finally")); + } + function hasSupportedNumberOfArguments(node) { + var name = node.expression.name.text; + var maxArguments = name === "then" ? 2 : name === "catch" ? 1 : name === "finally" ? 1 : 0; + if (node.arguments.length > maxArguments) + return false; + if (node.arguments.length < maxArguments) + return true; + return maxArguments === 1 || ts.some(node.arguments, function (arg) { + return arg.kind === 104 /* SyntaxKind.NullKeyword */ || ts.isIdentifier(arg) && arg.text === "undefined"; + }); + } + // should be kept up to date with getTransformationBody in convertToAsyncFunction.ts + function isFixablePromiseArgument(arg, checker) { + switch (arg.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + var functionFlags = ts.getFunctionFlags(arg); + if (functionFlags & 1 /* FunctionFlags.Generator */) { + return false; + } + // falls through + case 214 /* SyntaxKind.ArrowFunction */: + visitedNestedConvertibleFunctions.set(getKeyFromNode(arg), true); + // falls through + case 104 /* SyntaxKind.NullKeyword */: + return true; + case 79 /* SyntaxKind.Identifier */: + case 206 /* SyntaxKind.PropertyAccessExpression */: { + var symbol = checker.getSymbolAtLocation(arg); + if (!symbol) { + return false; + } + return checker.isUndefinedSymbol(symbol) || + ts.some(ts.skipAlias(symbol, checker).declarations, function (d) { return ts.isFunctionLike(d) || ts.hasInitializer(d) && !!d.initializer && ts.isFunctionLike(d.initializer); }); + } + default: + return false; + } + } + function getKeyFromNode(exp) { + return "".concat(exp.pos.toString(), ":").concat(exp.end.toString()); + } + function canBeConvertedToClass(node, checker) { + var _a, _b, _c, _d; + if (node.kind === 213 /* SyntaxKind.FunctionExpression */) { + if (ts.isVariableDeclaration(node.parent) && ((_a = node.symbol.members) === null || _a === void 0 ? void 0 : _a.size)) { + return true; + } + var symbol = checker.getSymbolOfExpando(node, /*allowDeclaration*/ false); + return !!(symbol && (((_b = symbol.exports) === null || _b === void 0 ? void 0 : _b.size) || ((_c = symbol.members) === null || _c === void 0 ? void 0 : _c.size))); + } + if (node.kind === 256 /* SyntaxKind.FunctionDeclaration */) { + return !!((_d = node.symbol.members) === null || _d === void 0 ? void 0 : _d.size); + } + return false; + } + function canBeConvertedToAsync(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return true; + default: + return false; + } + } + ts.canBeConvertedToAsync = canBeConvertedToAsync; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var SymbolDisplay; + (function (SymbolDisplay) { + var symbolDisplayNodeBuilderFlags = 8192 /* NodeBuilderFlags.OmitParameterModifiers */ | 70221824 /* NodeBuilderFlags.IgnoreErrors */ | 16384 /* NodeBuilderFlags.UseAliasDefinedOutsideCurrentScope */; + // TODO(drosen): use contextual SemanticMeaning. + function getSymbolKind(typeChecker, symbol, location) { + var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location); + if (result !== "" /* ScriptElementKind.unknown */) { + return result; + } + var flags = ts.getCombinedLocalAndExportSymbolFlags(symbol); + if (flags & 32 /* SymbolFlags.Class */) { + return ts.getDeclarationOfKind(symbol, 226 /* SyntaxKind.ClassExpression */) ? + "local class" /* ScriptElementKind.localClassElement */ : "class" /* ScriptElementKind.classElement */; + } + if (flags & 384 /* SymbolFlags.Enum */) + return "enum" /* ScriptElementKind.enumElement */; + if (flags & 524288 /* SymbolFlags.TypeAlias */) + return "type" /* ScriptElementKind.typeElement */; + if (flags & 64 /* SymbolFlags.Interface */) + return "interface" /* ScriptElementKind.interfaceElement */; + if (flags & 262144 /* SymbolFlags.TypeParameter */) + return "type parameter" /* ScriptElementKind.typeParameterElement */; + if (flags & 8 /* SymbolFlags.EnumMember */) + return "enum member" /* ScriptElementKind.enumMemberElement */; + if (flags & 2097152 /* SymbolFlags.Alias */) + return "alias" /* ScriptElementKind.alias */; + if (flags & 1536 /* SymbolFlags.Module */) + return "module" /* ScriptElementKind.moduleElement */; + return result; + } + SymbolDisplay.getSymbolKind = getSymbolKind; + function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location) { + var roots = typeChecker.getRootSymbols(symbol); + // If this is a method from a mapped type, leave as a method so long as it still has a call signature. + if (roots.length === 1 + && ts.first(roots).flags & 8192 /* SymbolFlags.Method */ + // Ensure the mapped version is still a method, as opposed to `{ [K in keyof I]: number }`. + && typeChecker.getTypeOfSymbolAtLocation(symbol, location).getNonNullableType().getCallSignatures().length !== 0) { + return "method" /* ScriptElementKind.memberFunctionElement */; + } + if (typeChecker.isUndefinedSymbol(symbol)) { + return "var" /* ScriptElementKind.variableElement */; + } + if (typeChecker.isArgumentsSymbol(symbol)) { + return "local var" /* ScriptElementKind.localVariableElement */; + } + if (location.kind === 108 /* SyntaxKind.ThisKeyword */ && ts.isExpression(location) || ts.isThisInTypeQuery(location)) { + return "parameter" /* ScriptElementKind.parameterElement */; + } + var flags = ts.getCombinedLocalAndExportSymbolFlags(symbol); + if (flags & 3 /* SymbolFlags.Variable */) { + if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { + return "parameter" /* ScriptElementKind.parameterElement */; + } + else if (symbol.valueDeclaration && ts.isVarConst(symbol.valueDeclaration)) { + return "const" /* ScriptElementKind.constElement */; + } + else if (ts.forEach(symbol.declarations, ts.isLet)) { + return "let" /* ScriptElementKind.letElement */; + } + return isLocalVariableOrFunction(symbol) ? "local var" /* ScriptElementKind.localVariableElement */ : "var" /* ScriptElementKind.variableElement */; + } + if (flags & 16 /* SymbolFlags.Function */) + return isLocalVariableOrFunction(symbol) ? "local function" /* ScriptElementKind.localFunctionElement */ : "function" /* ScriptElementKind.functionElement */; + // FIXME: getter and setter use the same symbol. And it is rare to use only setter without getter, so in most cases the symbol always has getter flag. + // So, even when the location is just on the declaration of setter, this function returns getter. + if (flags & 32768 /* SymbolFlags.GetAccessor */) + return "getter" /* ScriptElementKind.memberGetAccessorElement */; + if (flags & 65536 /* SymbolFlags.SetAccessor */) + return "setter" /* ScriptElementKind.memberSetAccessorElement */; + if (flags & 8192 /* SymbolFlags.Method */) + return "method" /* ScriptElementKind.memberFunctionElement */; + if (flags & 16384 /* SymbolFlags.Constructor */) + return "constructor" /* ScriptElementKind.constructorImplementationElement */; + if (flags & 4 /* SymbolFlags.Property */) { + if (flags & 33554432 /* SymbolFlags.Transient */ && symbol.checkFlags & 6 /* CheckFlags.Synthetic */) { + // If union property is result of union of non method (property/accessors/variables), it is labeled as property + var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + var rootSymbolFlags = rootSymbol.getFlags(); + if (rootSymbolFlags & (98308 /* SymbolFlags.PropertyOrAccessor */ | 3 /* SymbolFlags.Variable */)) { + return "property" /* ScriptElementKind.memberVariableElement */; + } + }); + if (!unionPropertyKind) { + // If this was union of all methods, + // make sure it has call signatures before we can label it as method + var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (typeOfUnionProperty.getCallSignatures().length) { + return "method" /* ScriptElementKind.memberFunctionElement */; + } + return "property" /* ScriptElementKind.memberVariableElement */; + } + return unionPropertyKind; + } + return "property" /* ScriptElementKind.memberVariableElement */; + } + return "" /* ScriptElementKind.unknown */; + } + function getNormalizedSymbolModifiers(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var _a = symbol.declarations, declaration = _a[0], declarations = _a.slice(1); + // omit deprecated flag if some declarations are not deprecated + var excludeFlags = ts.length(declarations) && ts.isDeprecatedDeclaration(declaration) && ts.some(declarations, function (d) { return !ts.isDeprecatedDeclaration(d); }) + ? 8192 /* ModifierFlags.Deprecated */ + : 0 /* ModifierFlags.None */; + var modifiers = ts.getNodeModifiers(declaration, excludeFlags); + if (modifiers) { + return modifiers.split(","); + } + } + return []; + } + function getSymbolModifiers(typeChecker, symbol) { + if (!symbol) { + return "" /* ScriptElementKindModifier.none */; + } + var modifiers = new ts.Set(getNormalizedSymbolModifiers(symbol)); + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + var resolvedSymbol = typeChecker.getAliasedSymbol(symbol); + if (resolvedSymbol !== symbol) { + ts.forEach(getNormalizedSymbolModifiers(resolvedSymbol), function (modifier) { + modifiers.add(modifier); + }); + } + } + if (symbol.flags & 16777216 /* SymbolFlags.Optional */) { + modifiers.add("optional" /* ScriptElementKindModifier.optionalModifier */); + } + return modifiers.size > 0 ? ts.arrayFrom(modifiers.values()).join(",") : "" /* ScriptElementKindModifier.none */; + } + SymbolDisplay.getSymbolModifiers = getSymbolModifiers; + // TODO(drosen): Currently completion entry details passes the SemanticMeaning.All instead of using semanticMeaning of location + function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning, alias) { + var _a; + if (semanticMeaning === void 0) { semanticMeaning = ts.getMeaningFromLocation(location); } + var displayParts = []; + var documentation = []; + var tags = []; + var symbolFlags = ts.getCombinedLocalAndExportSymbolFlags(symbol); + var symbolKind = semanticMeaning & 1 /* SemanticMeaning.Value */ ? getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location) : "" /* ScriptElementKind.unknown */; + var hasAddedSymbolInfo = false; + var isThisExpression = location.kind === 108 /* SyntaxKind.ThisKeyword */ && ts.isInExpressionContext(location) || ts.isThisInTypeQuery(location); + var type; + var printer; + var documentationFromAlias; + var tagsFromAlias; + var hasMultipleSignatures = false; + if (location.kind === 108 /* SyntaxKind.ThisKeyword */ && !isThisExpression) { + return { displayParts: [ts.keywordPart(108 /* SyntaxKind.ThisKeyword */)], documentation: [], symbolKind: "primitive type" /* ScriptElementKind.primitiveType */, tags: undefined }; + } + // Class at constructor site need to be shown as constructor apart from property,method, vars + if (symbolKind !== "" /* ScriptElementKind.unknown */ || symbolFlags & 32 /* SymbolFlags.Class */ || symbolFlags & 2097152 /* SymbolFlags.Alias */) { + // If symbol is accessor, they are allowed only if location is at declaration identifier of the accessor + if (symbolKind === "getter" /* ScriptElementKind.memberGetAccessorElement */ || symbolKind === "setter" /* ScriptElementKind.memberSetAccessorElement */) { + var declaration = ts.find(symbol.declarations, function (declaration) { return declaration.name === location; }); + if (declaration) { + switch (declaration.kind) { + case 172 /* SyntaxKind.GetAccessor */: + symbolKind = "getter" /* ScriptElementKind.memberGetAccessorElement */; + break; + case 173 /* SyntaxKind.SetAccessor */: + symbolKind = "setter" /* ScriptElementKind.memberSetAccessorElement */; + break; + default: + ts.Debug.assertNever(declaration); + } + } + else { + symbolKind = "property" /* ScriptElementKind.memberVariableElement */; + } + } + var signature = void 0; + type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (location.parent && location.parent.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + var right = location.parent.name; + // Either the location is on the right of a property access, or on the left and the right is missing + if (right === location || (right && right.getFullWidth() === 0)) { + location = location.parent; + } + } + // try get the call/construct signature from the type if it matches + var callExpressionLike = void 0; + if (ts.isCallOrNewExpression(location)) { + callExpressionLike = location; + } + else if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location)) { + callExpressionLike = location.parent; + } + else if (location.parent && (ts.isJsxOpeningLikeElement(location.parent) || ts.isTaggedTemplateExpression(location.parent)) && ts.isFunctionLike(symbol.valueDeclaration)) { + callExpressionLike = location.parent; + } + if (callExpressionLike) { + signature = typeChecker.getResolvedSignature(callExpressionLike); // TODO: GH#18217 + var useConstructSignatures = callExpressionLike.kind === 209 /* SyntaxKind.NewExpression */ || (ts.isCallExpression(callExpressionLike) && callExpressionLike.expression.kind === 106 /* SyntaxKind.SuperKeyword */); + var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); + if (signature && !ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { + // Get the first signature if there is one -- allSignatures may contain + // either the original signature or its target, so check for either + signature = allSignatures.length ? allSignatures[0] : undefined; + } + if (signature) { + if (useConstructSignatures && (symbolFlags & 32 /* SymbolFlags.Class */)) { + // Constructor + symbolKind = "constructor" /* ScriptElementKind.constructorImplementationElement */; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else if (symbolFlags & 2097152 /* SymbolFlags.Alias */) { + symbolKind = "alias" /* ScriptElementKind.alias */; + pushSymbolKind(symbolKind); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + if (signature.flags & 4 /* SignatureFlags.Abstract */) { + displayParts.push(ts.keywordPart(126 /* SyntaxKind.AbstractKeyword */)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(103 /* SyntaxKind.NewKeyword */)); + displayParts.push(ts.spacePart()); + } + addFullSymbolName(symbol); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + switch (symbolKind) { + case "JSX attribute" /* ScriptElementKind.jsxAttribute */: + case "property" /* ScriptElementKind.memberVariableElement */: + case "var" /* ScriptElementKind.variableElement */: + case "const" /* ScriptElementKind.constElement */: + case "let" /* ScriptElementKind.letElement */: + case "parameter" /* ScriptElementKind.parameterElement */: + case "local var" /* ScriptElementKind.localVariableElement */: + // If it is call or construct signature of lambda's write type name + displayParts.push(ts.punctuationPart(58 /* SyntaxKind.ColonToken */)); + displayParts.push(ts.spacePart()); + if (!(ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */) && type.symbol) { + ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 4 /* SymbolFormatFlags.AllowAnyNodeKind */ | 1 /* SymbolFormatFlags.WriteTypeParametersOrArguments */)); + displayParts.push(ts.lineBreakPart()); + } + if (useConstructSignatures) { + if (signature.flags & 4 /* SignatureFlags.Abstract */) { + displayParts.push(ts.keywordPart(126 /* SyntaxKind.AbstractKeyword */)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(103 /* SyntaxKind.NewKeyword */)); + displayParts.push(ts.spacePart()); + } + addSignatureDisplayParts(signature, allSignatures, 262144 /* TypeFormatFlags.WriteArrowStyleSignature */); + break; + default: + // Just signature + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + hasMultipleSignatures = allSignatures.length > 1; + } + } + else if ((ts.isNameOfFunctionDeclaration(location) && !(symbolFlags & 98304 /* SymbolFlags.Accessor */)) || // name of function declaration + (location.kind === 134 /* SyntaxKind.ConstructorKeyword */ && location.parent.kind === 171 /* SyntaxKind.Constructor */)) { // At constructor keyword of constructor declaration + // get the signature from the declaration and write it + var functionDeclaration_1 = location.parent; + // Use function declaration to write the signatures only if the symbol corresponding to this declaration + var locationIsSymbolDeclaration = symbol.declarations && ts.find(symbol.declarations, function (declaration) { + return declaration === (location.kind === 134 /* SyntaxKind.ConstructorKeyword */ ? functionDeclaration_1.parent : functionDeclaration_1); + }); + if (locationIsSymbolDeclaration) { + var allSignatures = functionDeclaration_1.kind === 171 /* SyntaxKind.Constructor */ ? type.getNonNullableType().getConstructSignatures() : type.getNonNullableType().getCallSignatures(); + if (!typeChecker.isImplementationOfOverload(functionDeclaration_1)) { + signature = typeChecker.getSignatureFromDeclaration(functionDeclaration_1); // TODO: GH#18217 + } + else { + signature = allSignatures[0]; + } + if (functionDeclaration_1.kind === 171 /* SyntaxKind.Constructor */) { + // show (constructor) Type(...) signature + symbolKind = "constructor" /* ScriptElementKind.constructorImplementationElement */; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else { + // (function/method) symbol(..signature) + addPrefixForAnyFunctionOrVar(functionDeclaration_1.kind === 174 /* SyntaxKind.CallSignature */ && + !(type.symbol.flags & 2048 /* SymbolFlags.TypeLiteral */ || type.symbol.flags & 4096 /* SymbolFlags.ObjectLiteral */) ? type.symbol : symbol, symbolKind); + } + if (signature) { + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + hasMultipleSignatures = allSignatures.length > 1; + } + } + } + if (symbolFlags & 32 /* SymbolFlags.Class */ && !hasAddedSymbolInfo && !isThisExpression) { + addAliasPrefixIfNecessary(); + if (ts.getDeclarationOfKind(symbol, 226 /* SyntaxKind.ClassExpression */)) { + // Special case for class expressions because we would like to indicate that + // the class name is local to the class body (similar to function expression) + // (local class) class + pushSymbolKind("local class" /* ScriptElementKind.localClassElement */); + } + else { + // Class declaration has name which is not local. + displayParts.push(ts.keywordPart(84 /* SyntaxKind.ClassKeyword */)); + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 64 /* SymbolFlags.Interface */) && (semanticMeaning & 2 /* SemanticMeaning.Type */)) { + prefixNextMeaning(); + displayParts.push(ts.keywordPart(118 /* SyntaxKind.InterfaceKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 524288 /* SymbolFlags.TypeAlias */) && (semanticMeaning & 2 /* SemanticMeaning.Type */)) { + prefixNextMeaning(); + displayParts.push(ts.keywordPart(152 /* SyntaxKind.TypeKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(63 /* SyntaxKind.EqualsToken */)); + displayParts.push(ts.spacePart()); + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, ts.isConstTypeReference(location.parent) ? typeChecker.getTypeAtLocation(location.parent) : typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration, 8388608 /* TypeFormatFlags.InTypeAlias */)); + } + if (symbolFlags & 384 /* SymbolFlags.Enum */) { + prefixNextMeaning(); + if (ts.some(symbol.declarations, function (d) { return ts.isEnumDeclaration(d) && ts.isEnumConst(d); })) { + displayParts.push(ts.keywordPart(85 /* SyntaxKind.ConstKeyword */)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(92 /* SyntaxKind.EnumKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if (symbolFlags & 1536 /* SymbolFlags.Module */ && !isThisExpression) { + prefixNextMeaning(); + var declaration = ts.getDeclarationOfKind(symbol, 261 /* SyntaxKind.ModuleDeclaration */); + var isNamespace = declaration && declaration.name && declaration.name.kind === 79 /* SyntaxKind.Identifier */; + displayParts.push(ts.keywordPart(isNamespace ? 142 /* SyntaxKind.NamespaceKeyword */ : 141 /* SyntaxKind.ModuleKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if ((symbolFlags & 262144 /* SymbolFlags.TypeParameter */) && (semanticMeaning & 2 /* SemanticMeaning.Type */)) { + prefixNextMeaning(); + displayParts.push(ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */)); + displayParts.push(ts.textPart("type parameter")); + displayParts.push(ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + if (symbol.parent) { + // Class/Interface type parameter + addInPrefix(); + addFullSymbolName(symbol.parent, enclosingDeclaration); + writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + else { + // Method/function type parameter + var decl = ts.getDeclarationOfKind(symbol, 163 /* SyntaxKind.TypeParameter */); + if (decl === undefined) + return ts.Debug.fail(); + var declaration = decl.parent; + if (declaration) { + if (ts.isFunctionLikeKind(declaration.kind)) { + addInPrefix(); + var signature = typeChecker.getSignatureFromDeclaration(declaration); // TODO: GH#18217 + if (declaration.kind === 175 /* SyntaxKind.ConstructSignature */) { + displayParts.push(ts.keywordPart(103 /* SyntaxKind.NewKeyword */)); + displayParts.push(ts.spacePart()); + } + else if (declaration.kind !== 174 /* SyntaxKind.CallSignature */ && declaration.name) { + addFullSymbolName(declaration.symbol); + } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32 /* TypeFormatFlags.WriteTypeArgumentsOfSignature */)); + } + else if (declaration.kind === 259 /* SyntaxKind.TypeAliasDeclaration */) { + // Type alias type parameter + // For example + // type list = T[]; // Both T will go through same code path + addInPrefix(); + displayParts.push(ts.keywordPart(152 /* SyntaxKind.TypeKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(declaration.symbol); + writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + } + } + } + } + if (symbolFlags & 8 /* SymbolFlags.EnumMember */) { + symbolKind = "enum member" /* ScriptElementKind.enumMemberElement */; + addPrefixForAnyFunctionOrVar(symbol, "enum member"); + var declaration = (_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a[0]; + if ((declaration === null || declaration === void 0 ? void 0 : declaration.kind) === 299 /* SyntaxKind.EnumMember */) { + var constantValue = typeChecker.getConstantValue(declaration); + if (constantValue !== undefined) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(63 /* SyntaxKind.EqualsToken */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.displayPart(ts.getTextOfConstantValue(constantValue), typeof constantValue === "number" ? ts.SymbolDisplayPartKind.numericLiteral : ts.SymbolDisplayPartKind.stringLiteral)); + } + } + } + // don't use symbolFlags since getAliasedSymbol requires the flag on the symbol itself + if (symbol.flags & 2097152 /* SymbolFlags.Alias */) { + prefixNextMeaning(); + if (!hasAddedSymbolInfo) { + var resolvedSymbol = typeChecker.getAliasedSymbol(symbol); + if (resolvedSymbol !== symbol && resolvedSymbol.declarations && resolvedSymbol.declarations.length > 0) { + var resolvedNode = resolvedSymbol.declarations[0]; + var declarationName = ts.getNameOfDeclaration(resolvedNode); + if (declarationName) { + var isExternalModuleDeclaration = ts.isModuleWithStringLiteralName(resolvedNode) && + ts.hasSyntacticModifier(resolvedNode, 2 /* ModifierFlags.Ambient */); + var shouldUseAliasName = symbol.name !== "default" && !isExternalModuleDeclaration; + var resolvedInfo = getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, resolvedSymbol, ts.getSourceFileOfNode(resolvedNode), resolvedNode, declarationName, semanticMeaning, shouldUseAliasName ? symbol : resolvedSymbol); + displayParts.push.apply(displayParts, resolvedInfo.displayParts); + displayParts.push(ts.lineBreakPart()); + documentationFromAlias = resolvedInfo.documentation; + tagsFromAlias = resolvedInfo.tags; + } + else { + documentationFromAlias = resolvedSymbol.getContextualDocumentationComment(resolvedNode, typeChecker); + tagsFromAlias = resolvedSymbol.getJsDocTags(typeChecker); + } + } + } + if (symbol.declarations) { + switch (symbol.declarations[0].kind) { + case 264 /* SyntaxKind.NamespaceExportDeclaration */: + displayParts.push(ts.keywordPart(93 /* SyntaxKind.ExportKeyword */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(142 /* SyntaxKind.NamespaceKeyword */)); + break; + case 271 /* SyntaxKind.ExportAssignment */: + displayParts.push(ts.keywordPart(93 /* SyntaxKind.ExportKeyword */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(symbol.declarations[0].isExportEquals ? 63 /* SyntaxKind.EqualsToken */ : 88 /* SyntaxKind.DefaultKeyword */)); + break; + case 275 /* SyntaxKind.ExportSpecifier */: + displayParts.push(ts.keywordPart(93 /* SyntaxKind.ExportKeyword */)); + break; + default: + displayParts.push(ts.keywordPart(100 /* SyntaxKind.ImportKeyword */)); + } + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + var importEqualsDeclaration = declaration; + if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(63 /* SyntaxKind.EqualsToken */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(146 /* SyntaxKind.RequireKeyword */)); + displayParts.push(ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */)); + displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), ts.SymbolDisplayPartKind.stringLiteral)); + displayParts.push(ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)); + } + else { + var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); + if (internalAliasSymbol) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(63 /* SyntaxKind.EqualsToken */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + } + } + return true; + } + }); + } + if (!hasAddedSymbolInfo) { + if (symbolKind !== "" /* ScriptElementKind.unknown */) { + if (type) { + if (isThisExpression) { + prefixNextMeaning(); + displayParts.push(ts.keywordPart(108 /* SyntaxKind.ThisKeyword */)); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + // For properties, variables and local vars: show the type + if (symbolKind === "property" /* ScriptElementKind.memberVariableElement */ || + symbolKind === "getter" /* ScriptElementKind.memberGetAccessorElement */ || + symbolKind === "setter" /* ScriptElementKind.memberSetAccessorElement */ || + symbolKind === "JSX attribute" /* ScriptElementKind.jsxAttribute */ || + symbolFlags & 3 /* SymbolFlags.Variable */ || + symbolKind === "local var" /* ScriptElementKind.localVariableElement */ || + isThisExpression) { + displayParts.push(ts.punctuationPart(58 /* SyntaxKind.ColonToken */)); + displayParts.push(ts.spacePart()); + // If the type is type parameter, format it specially + if (type.symbol && type.symbol.flags & 262144 /* SymbolFlags.TypeParameter */) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + var param = typeChecker.typeParameterToDeclaration(type, enclosingDeclaration, symbolDisplayNodeBuilderFlags); + getPrinter().writeNode(4 /* EmitHint.Unspecified */, param, ts.getSourceFileOfNode(ts.getParseTreeNode(enclosingDeclaration)), writer); + }); + ts.addRange(displayParts, typeParameterParts); + } + else { + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + if (symbol.target && symbol.target.tupleLabelDeclaration) { + var labelDecl = symbol.target.tupleLabelDeclaration; + ts.Debug.assertNode(labelDecl.name, ts.isIdentifier); + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */)); + displayParts.push(ts.textPart(ts.idText(labelDecl.name))); + displayParts.push(ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)); + } + } + else if (symbolFlags & 16 /* SymbolFlags.Function */ || + symbolFlags & 8192 /* SymbolFlags.Method */ || + symbolFlags & 16384 /* SymbolFlags.Constructor */ || + symbolFlags & 131072 /* SymbolFlags.Signature */ || + symbolFlags & 98304 /* SymbolFlags.Accessor */ || + symbolKind === "method" /* ScriptElementKind.memberFunctionElement */) { + var allSignatures = type.getNonNullableType().getCallSignatures(); + if (allSignatures.length) { + addSignatureDisplayParts(allSignatures[0], allSignatures); + hasMultipleSignatures = allSignatures.length > 1; + } + } + } + } + else { + symbolKind = getSymbolKind(typeChecker, symbol, location); + } + } + if (documentation.length === 0 && !hasMultipleSignatures) { + documentation = symbol.getContextualDocumentationComment(enclosingDeclaration, typeChecker); + } + if (documentation.length === 0 && symbolFlags & 4 /* SymbolFlags.Property */) { + // For some special property access expressions like `exports.foo = foo` or `module.exports.foo = foo` + // there documentation comments might be attached to the right hand side symbol of their declarations. + // The pattern of such special property access is that the parent symbol is the symbol of the file. + if (symbol.parent && symbol.declarations && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 305 /* SyntaxKind.SourceFile */; })) { + for (var _i = 0, _b = symbol.declarations; _i < _b.length; _i++) { + var declaration = _b[_i]; + if (!declaration.parent || declaration.parent.kind !== 221 /* SyntaxKind.BinaryExpression */) { + continue; + } + var rhsSymbol = typeChecker.getSymbolAtLocation(declaration.parent.right); + if (!rhsSymbol) { + continue; + } + documentation = rhsSymbol.getDocumentationComment(typeChecker); + tags = rhsSymbol.getJsDocTags(typeChecker); + if (documentation.length > 0) { + break; + } + } + } + } + if (documentation.length === 0 && ts.isIdentifier(location) && symbol.valueDeclaration && ts.isBindingElement(symbol.valueDeclaration)) { + var declaration = symbol.valueDeclaration; + var parent = declaration.parent; + if (ts.isIdentifier(declaration.name) && ts.isObjectBindingPattern(parent)) { + var name_4 = ts.getTextOfIdentifierOrLiteral(declaration.name); + var objectType = typeChecker.getTypeAtLocation(parent); + documentation = ts.firstDefined(objectType.isUnion() ? objectType.types : [objectType], function (t) { + var prop = t.getProperty(name_4); + return prop ? prop.getDocumentationComment(typeChecker) : undefined; + }) || ts.emptyArray; + } + } + if (tags.length === 0 && !hasMultipleSignatures) { + tags = symbol.getContextualJsDocTags(enclosingDeclaration, typeChecker); + } + if (documentation.length === 0 && documentationFromAlias) { + documentation = documentationFromAlias; + } + if (tags.length === 0 && tagsFromAlias) { + tags = tagsFromAlias; + } + return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind, tags: tags.length === 0 ? undefined : tags }; + function getPrinter() { + if (!printer) { + printer = ts.createPrinter({ removeComments: true }); + } + return printer; + } + function prefixNextMeaning() { + if (displayParts.length) { + displayParts.push(ts.lineBreakPart()); + } + addAliasPrefixIfNecessary(); + } + function addAliasPrefixIfNecessary() { + if (alias) { + pushSymbolKind("alias" /* ScriptElementKind.alias */); + displayParts.push(ts.spacePart()); + } + } + function addInPrefix() { + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(101 /* SyntaxKind.InKeyword */)); + displayParts.push(ts.spacePart()); + } + function addFullSymbolName(symbolToDisplay, enclosingDeclaration) { + if (alias && symbolToDisplay === symbol) { + symbolToDisplay = alias; + } + var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbolToDisplay, enclosingDeclaration || sourceFile, /*meaning*/ undefined, 1 /* SymbolFormatFlags.WriteTypeParametersOrArguments */ | 2 /* SymbolFormatFlags.UseOnlyExternalAliasing */ | 4 /* SymbolFormatFlags.AllowAnyNodeKind */); + ts.addRange(displayParts, fullSymbolDisplayParts); + if (symbol.flags & 16777216 /* SymbolFlags.Optional */) { + displayParts.push(ts.punctuationPart(57 /* SyntaxKind.QuestionToken */)); + } + } + function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { + prefixNextMeaning(); + if (symbolKind) { + pushSymbolKind(symbolKind); + if (symbol && !ts.some(symbol.declarations, function (d) { return ts.isArrowFunction(d) || (ts.isFunctionExpression(d) || ts.isClassExpression(d)) && !d.name; })) { + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + } + } + function pushSymbolKind(symbolKind) { + switch (symbolKind) { + case "var" /* ScriptElementKind.variableElement */: + case "function" /* ScriptElementKind.functionElement */: + case "let" /* ScriptElementKind.letElement */: + case "const" /* ScriptElementKind.constElement */: + case "constructor" /* ScriptElementKind.constructorImplementationElement */: + displayParts.push(ts.textOrKeywordPart(symbolKind)); + return; + default: + displayParts.push(ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */)); + displayParts.push(ts.textOrKeywordPart(symbolKind)); + displayParts.push(ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)); + return; + } + } + function addSignatureDisplayParts(signature, allSignatures, flags) { + if (flags === void 0) { flags = 0 /* TypeFormatFlags.None */; } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32 /* TypeFormatFlags.WriteTypeArgumentsOfSignature */)); + if (allSignatures.length > 1) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(20 /* SyntaxKind.OpenParenToken */)); + displayParts.push(ts.operatorPart(39 /* SyntaxKind.PlusToken */)); + displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), ts.SymbolDisplayPartKind.numericLiteral)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); + displayParts.push(ts.punctuationPart(21 /* SyntaxKind.CloseParenToken */)); + } + documentation = signature.getDocumentationComment(typeChecker); + tags = signature.getJsDocTags(); + if (allSignatures.length > 1 && documentation.length === 0 && tags.length === 0) { + documentation = allSignatures[0].getDocumentationComment(typeChecker); + tags = allSignatures[0].getJsDocTags(); + } + } + function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + var params = typeChecker.symbolToTypeParameterDeclarations(symbol, enclosingDeclaration, symbolDisplayNodeBuilderFlags); + getPrinter().writeList(53776 /* ListFormat.TypeParameters */, params, ts.getSourceFileOfNode(ts.getParseTreeNode(enclosingDeclaration)), writer); + }); + ts.addRange(displayParts, typeParameterParts); + } + } + SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind = getSymbolDisplayPartsDocumentationAndSymbolKind; + function isLocalVariableOrFunction(symbol) { + if (symbol.parent) { + return false; // This is exported symbol + } + return ts.forEach(symbol.declarations, function (declaration) { + // Function expressions are local + if (declaration.kind === 213 /* SyntaxKind.FunctionExpression */) { + return true; + } + if (declaration.kind !== 254 /* SyntaxKind.VariableDeclaration */ && declaration.kind !== 256 /* SyntaxKind.FunctionDeclaration */) { + return false; + } + // If the parent is not sourceFile or module block it is local variable + for (var parent = declaration.parent; !ts.isFunctionBlock(parent); parent = parent.parent) { + // Reached source file or module block + if (parent.kind === 305 /* SyntaxKind.SourceFile */ || parent.kind === 262 /* SyntaxKind.ModuleBlock */) { + return false; + } + } + // parent is in function block + return true; + }); + } + })(SymbolDisplay = ts.SymbolDisplay || (ts.SymbolDisplay = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + /* + * This function will compile source text from 'input' argument using specified compiler options. + * If not options are provided - it will use a set of default compiler options. + * Extra compiler options that will unconditionally be used by this function are: + * - isolatedModules = true + * - allowNonTsExtensions = true + * - noLib = true + * - noResolve = true + */ + function transpileModule(input, transpileOptions) { + var diagnostics = []; + var options = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : {}; + // mix in default options + var defaultOptions = ts.getDefaultCompilerOptions(); + for (var key in defaultOptions) { + if (ts.hasProperty(defaultOptions, key) && options[key] === undefined) { + options[key] = defaultOptions[key]; + } + } + for (var _i = 0, transpileOptionValueCompilerOptions_1 = ts.transpileOptionValueCompilerOptions; _i < transpileOptionValueCompilerOptions_1.length; _i++) { + var option = transpileOptionValueCompilerOptions_1[_i]; + options[option.name] = option.transpileOptionValue; + } + // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths. + options.suppressOutputPathCheck = true; + // Filename can be non-ts file. + options.allowNonTsExtensions = true; + var newLine = ts.getNewLineCharacter(options); + // Create a compilerHost object to allow the compiler to read and write files + var compilerHost = { + getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; }, + writeFile: function (name, text) { + if (ts.fileExtensionIs(name, ".map")) { + ts.Debug.assertEqual(sourceMapText, undefined, "Unexpected multiple source map outputs, file:", name); + sourceMapText = text; + } + else { + ts.Debug.assertEqual(outputText, undefined, "Unexpected multiple outputs, file:", name); + outputText = text; + } + }, + getDefaultLibFileName: function () { return "lib.d.ts"; }, + useCaseSensitiveFileNames: function () { return false; }, + getCanonicalFileName: function (fileName) { return fileName; }, + getCurrentDirectory: function () { return ""; }, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return fileName === inputFileName; }, + readFile: function () { return ""; }, + directoryExists: function () { return true; }, + getDirectories: function () { return []; } + }; + // if jsx is specified then treat file as .tsx + var inputFileName = transpileOptions.fileName || (transpileOptions.compilerOptions && transpileOptions.compilerOptions.jsx ? "module.tsx" : "module.ts"); + var sourceFile = ts.createSourceFile(inputFileName, input, { + languageVersion: ts.getEmitScriptTarget(options), + impliedNodeFormat: ts.getImpliedNodeFormatForFile(ts.toPath(inputFileName, "", compilerHost.getCanonicalFileName), /*cache*/ undefined, compilerHost, options), + setExternalModuleIndicator: ts.getSetExternalModuleIndicator(options) + }); + if (transpileOptions.moduleName) { + sourceFile.moduleName = transpileOptions.moduleName; + } + if (transpileOptions.renamedDependencies) { + sourceFile.renamedDependencies = new ts.Map(ts.getEntries(transpileOptions.renamedDependencies)); + } + // Output + var outputText; + var sourceMapText; + var program = ts.createProgram([inputFileName], options, compilerHost); + if (transpileOptions.reportDiagnostics) { + ts.addRange(/*to*/ diagnostics, /*from*/ program.getSyntacticDiagnostics(sourceFile)); + ts.addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics()); + } + // Emit + program.emit(/*targetSourceFile*/ undefined, /*writeFile*/ undefined, /*cancellationToken*/ undefined, /*emitOnlyDtsFiles*/ undefined, transpileOptions.transformers); + if (outputText === undefined) + return ts.Debug.fail("Output generation failed"); + return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; + } + ts.transpileModule = transpileModule; + /* + * This is a shortcut function for transpileModule - it accepts transpileOptions as parameters and returns only outputText part of the result. + */ + function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { + var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); + // addRange correctly handles cases when wither 'from' or 'to' argument is missing + ts.addRange(diagnostics, output.diagnostics); + return output.outputText; + } + ts.transpile = transpile; + var commandLineOptionsStringToEnum; + /** JS users may pass in string values for enum compiler options (such as ModuleKind), so convert. */ + /*@internal*/ + function fixupCompilerOptions(options, diagnostics) { + // Lazily create this value to fix module loading errors. + commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || + ts.filter(ts.optionDeclarations, function (o) { return typeof o.type === "object" && !ts.forEachEntry(o.type, function (v) { return typeof v !== "number"; }); }); + options = ts.cloneCompilerOptions(options); + var _loop_10 = function (opt) { + if (!ts.hasProperty(options, opt.name)) { + return "continue"; + } + var value = options[opt.name]; + // Value should be a key of opt.type + if (ts.isString(value)) { + // If value is not a string, this will fail + options[opt.name] = ts.parseCustomTypeOption(opt, value, diagnostics); + } + else { + if (!ts.forEachEntry(opt.type, function (v) { return v === value; })) { + // Supplied value isn't a valid enum value. + diagnostics.push(ts.createCompilerDiagnosticForInvalidCustomType(opt)); + } + } + }; + for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { + var opt = commandLineOptionsStringToEnum_1[_i]; + _loop_10(opt); + } + return options; + } + ts.fixupCompilerOptions = fixupCompilerOptions; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var FormattingRequestKind; + (function (FormattingRequestKind) { + FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; + FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; + FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; + FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; + FormattingRequestKind[FormattingRequestKind["FormatOnOpeningCurlyBrace"] = 4] = "FormatOnOpeningCurlyBrace"; + FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 5] = "FormatOnClosingCurlyBrace"; + })(FormattingRequestKind = formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); + var FormattingContext = /** @class */ (function () { + function FormattingContext(sourceFile, formattingRequestKind, options) { + this.sourceFile = sourceFile; + this.formattingRequestKind = formattingRequestKind; + this.options = options; + } + FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { + this.currentTokenSpan = ts.Debug.checkDefined(currentRange); + this.currentTokenParent = ts.Debug.checkDefined(currentTokenParent); + this.nextTokenSpan = ts.Debug.checkDefined(nextRange); + this.nextTokenParent = ts.Debug.checkDefined(nextTokenParent); + this.contextNode = ts.Debug.checkDefined(commonParent); + // drop cached results + this.contextNodeAllOnSameLine = undefined; + this.nextNodeAllOnSameLine = undefined; + this.tokensAreOnSameLine = undefined; + this.contextNodeBlockIsOnOneLine = undefined; + this.nextNodeBlockIsOnOneLine = undefined; + }; + FormattingContext.prototype.ContextNodeAllOnSameLine = function () { + if (this.contextNodeAllOnSameLine === undefined) { + this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); + } + return this.contextNodeAllOnSameLine; + }; + FormattingContext.prototype.NextNodeAllOnSameLine = function () { + if (this.nextNodeAllOnSameLine === undefined) { + this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeAllOnSameLine; + }; + FormattingContext.prototype.TokensAreOnSameLine = function () { + if (this.tokensAreOnSameLine === undefined) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; + this.tokensAreOnSameLine = (startLine === endLine); + } + return this.tokensAreOnSameLine; + }; + FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { + if (this.contextNodeBlockIsOnOneLine === undefined) { + this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); + } + return this.contextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { + if (this.nextNodeBlockIsOnOneLine === undefined) { + this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NodeIsOnOneLine = function (node) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + return startLine === endLine; + }; + FormattingContext.prototype.BlockIsOnOneLine = function (node) { + var openBrace = ts.findChildOfKind(node, 18 /* SyntaxKind.OpenBraceToken */, this.sourceFile); + var closeBrace = ts.findChildOfKind(node, 19 /* SyntaxKind.CloseBraceToken */, this.sourceFile); + if (openBrace && closeBrace) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; + return startLine === endLine; + } + return false; + }; + return FormattingContext; + }()); + formatting.FormattingContext = FormattingContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var standardScanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ false, 0 /* LanguageVariant.Standard */); + var jsxScanner = ts.createScanner(99 /* ScriptTarget.Latest */, /*skipTrivia*/ false, 1 /* LanguageVariant.JSX */); + var ScanAction; + (function (ScanAction) { + ScanAction[ScanAction["Scan"] = 0] = "Scan"; + ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; + ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; + ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; + ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; + ScanAction[ScanAction["RescanJsxText"] = 5] = "RescanJsxText"; + ScanAction[ScanAction["RescanJsxAttributeValue"] = 6] = "RescanJsxAttributeValue"; + })(ScanAction || (ScanAction = {})); + function getFormattingScanner(text, languageVariant, startPos, endPos, cb) { + var scanner = languageVariant === 1 /* LanguageVariant.JSX */ ? jsxScanner : standardScanner; + scanner.setText(text); + scanner.setTextPos(startPos); + var wasNewLine = true; + var leadingTrivia; + var trailingTrivia; + var savedPos; + var lastScanAction; + var lastTokenInfo; + var res = cb({ + advance: advance, + readTokenInfo: readTokenInfo, + readEOFTokenRange: readEOFTokenRange, + isOnToken: isOnToken, + isOnEOF: isOnEOF, + getCurrentLeadingTrivia: function () { return leadingTrivia; }, + lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, + skipToEndOf: skipToEndOf, + skipToStartOf: skipToStartOf, + getStartPos: function () { var _a; return (_a = lastTokenInfo === null || lastTokenInfo === void 0 ? void 0 : lastTokenInfo.token.pos) !== null && _a !== void 0 ? _a : scanner.getTokenPos(); }, + }); + lastTokenInfo = undefined; + scanner.setText(undefined); + return res; + function advance() { + lastTokenInfo = undefined; + var isStarted = scanner.getStartPos() !== startPos; + if (isStarted) { + wasNewLine = !!trailingTrivia && ts.last(trailingTrivia).kind === 4 /* SyntaxKind.NewLineTrivia */; + } + else { + scanner.scan(); + } + leadingTrivia = undefined; + trailingTrivia = undefined; + var pos = scanner.getStartPos(); + // Read leading trivia and token + while (pos < endPos) { + var t = scanner.getToken(); + if (!ts.isTrivia(t)) { + break; + } + // consume leading trivia + scanner.scan(); + var item = { + pos: pos, + end: scanner.getStartPos(), + kind: t + }; + pos = scanner.getStartPos(); + leadingTrivia = ts.append(leadingTrivia, item); + } + savedPos = scanner.getStartPos(); + } + function shouldRescanGreaterThanToken(node) { + switch (node.kind) { + case 33 /* SyntaxKind.GreaterThanEqualsToken */: + case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */: + case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */: + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: + case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: + return true; + } + return false; + } + function shouldRescanJsxIdentifier(node) { + if (node.parent) { + switch (node.parent.kind) { + case 285 /* SyntaxKind.JsxAttribute */: + case 280 /* SyntaxKind.JsxOpeningElement */: + case 281 /* SyntaxKind.JsxClosingElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + // May parse an identifier like `module-layout`; that will be scanned as a keyword at first, but we should parse the whole thing to get an identifier. + return ts.isKeyword(node.kind) || node.kind === 79 /* SyntaxKind.Identifier */; + } + } + return false; + } + function shouldRescanJsxText(node) { + return ts.isJsxText(node); + } + function shouldRescanSlashToken(container) { + return container.kind === 13 /* SyntaxKind.RegularExpressionLiteral */; + } + function shouldRescanTemplateToken(container) { + return container.kind === 16 /* SyntaxKind.TemplateMiddle */ || + container.kind === 17 /* SyntaxKind.TemplateTail */; + } + function shouldRescanJsxAttributeValue(node) { + return node.parent && ts.isJsxAttribute(node.parent) && node.parent.initializer === node; + } + function startsWithSlashToken(t) { + return t === 43 /* SyntaxKind.SlashToken */ || t === 68 /* SyntaxKind.SlashEqualsToken */; + } + function readTokenInfo(n) { + ts.Debug.assert(isOnToken()); + // normally scanner returns the smallest available token + // check the kind of context node to determine if scanner should have more greedy behavior and consume more text. + var expectedScanAction = shouldRescanGreaterThanToken(n) ? 1 /* ScanAction.RescanGreaterThanToken */ : + shouldRescanSlashToken(n) ? 2 /* ScanAction.RescanSlashToken */ : + shouldRescanTemplateToken(n) ? 3 /* ScanAction.RescanTemplateToken */ : + shouldRescanJsxIdentifier(n) ? 4 /* ScanAction.RescanJsxIdentifier */ : + shouldRescanJsxText(n) ? 5 /* ScanAction.RescanJsxText */ : + shouldRescanJsxAttributeValue(n) ? 6 /* ScanAction.RescanJsxAttributeValue */ : + 0 /* ScanAction.Scan */; + if (lastTokenInfo && expectedScanAction === lastScanAction) { + // readTokenInfo was called before with the same expected scan action. + // No need to re-scan text, return existing 'lastTokenInfo' + // it is ok to call fixTokenKind here since it does not affect + // what portion of text is consumed. In contrast rescanning can change it, + // i.e. for '>=' when originally scanner eats just one character + // and rescanning forces it to consume more. + return fixTokenKind(lastTokenInfo, n); + } + if (scanner.getStartPos() !== savedPos) { + ts.Debug.assert(lastTokenInfo !== undefined); + // readTokenInfo was called before but scan action differs - rescan text + scanner.setTextPos(savedPos); + scanner.scan(); + } + var currentToken = getNextToken(n, expectedScanAction); + var token = formatting.createTextRangeWithKind(scanner.getStartPos(), scanner.getTextPos(), currentToken); + // consume trailing trivia + if (trailingTrivia) { + trailingTrivia = undefined; + } + while (scanner.getStartPos() < endPos) { + currentToken = scanner.scan(); + if (!ts.isTrivia(currentToken)) { + break; + } + var trivia = formatting.createTextRangeWithKind(scanner.getStartPos(), scanner.getTextPos(), currentToken); + if (!trailingTrivia) { + trailingTrivia = []; + } + trailingTrivia.push(trivia); + if (currentToken === 4 /* SyntaxKind.NewLineTrivia */) { + // move past new line + scanner.scan(); + break; + } + } + lastTokenInfo = { leadingTrivia: leadingTrivia, trailingTrivia: trailingTrivia, token: token }; + return fixTokenKind(lastTokenInfo, n); + } + function getNextToken(n, expectedScanAction) { + var token = scanner.getToken(); + lastScanAction = 0 /* ScanAction.Scan */; + switch (expectedScanAction) { + case 1 /* ScanAction.RescanGreaterThanToken */: + if (token === 31 /* SyntaxKind.GreaterThanToken */) { + lastScanAction = 1 /* ScanAction.RescanGreaterThanToken */; + var newToken = scanner.reScanGreaterToken(); + ts.Debug.assert(n.kind === newToken); + return newToken; + } + break; + case 2 /* ScanAction.RescanSlashToken */: + if (startsWithSlashToken(token)) { + lastScanAction = 2 /* ScanAction.RescanSlashToken */; + var newToken = scanner.reScanSlashToken(); + ts.Debug.assert(n.kind === newToken); + return newToken; + } + break; + case 3 /* ScanAction.RescanTemplateToken */: + if (token === 19 /* SyntaxKind.CloseBraceToken */) { + lastScanAction = 3 /* ScanAction.RescanTemplateToken */; + return scanner.reScanTemplateToken(/* isTaggedTemplate */ false); + } + break; + case 4 /* ScanAction.RescanJsxIdentifier */: + lastScanAction = 4 /* ScanAction.RescanJsxIdentifier */; + return scanner.scanJsxIdentifier(); + case 5 /* ScanAction.RescanJsxText */: + lastScanAction = 5 /* ScanAction.RescanJsxText */; + return scanner.reScanJsxToken(/* allowMultilineJsxText */ false); + case 6 /* ScanAction.RescanJsxAttributeValue */: + lastScanAction = 6 /* ScanAction.RescanJsxAttributeValue */; + return scanner.reScanJsxAttributeValue(); + case 0 /* ScanAction.Scan */: + break; + default: + ts.Debug.assertNever(expectedScanAction); + } + return token; + } + function readEOFTokenRange() { + ts.Debug.assert(isOnEOF()); + return formatting.createTextRangeWithKind(scanner.getStartPos(), scanner.getTextPos(), 1 /* SyntaxKind.EndOfFileToken */); + } + function isOnToken() { + var current = lastTokenInfo ? lastTokenInfo.token.kind : scanner.getToken(); + return current !== 1 /* SyntaxKind.EndOfFileToken */ && !ts.isTrivia(current); + } + function isOnEOF() { + var current = lastTokenInfo ? lastTokenInfo.token.kind : scanner.getToken(); + return current === 1 /* SyntaxKind.EndOfFileToken */; + } + // when containing node in the tree is token + // but its kind differs from the kind that was returned by the scanner, + // then kind needs to be fixed. This might happen in cases + // when parser interprets token differently, i.e keyword treated as identifier + function fixTokenKind(tokenInfo, container) { + if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { + tokenInfo.token.kind = container.kind; + } + return tokenInfo; + } + function skipToEndOf(node) { + scanner.setTextPos(node.end); + savedPos = scanner.getStartPos(); + lastScanAction = undefined; + lastTokenInfo = undefined; + wasNewLine = false; + leadingTrivia = undefined; + trailingTrivia = undefined; + } + function skipToStartOf(node) { + scanner.setTextPos(node.pos); + savedPos = scanner.getStartPos(); + lastScanAction = undefined; + lastTokenInfo = undefined; + wasNewLine = false; + leadingTrivia = undefined; + trailingTrivia = undefined; + } + } + formatting.getFormattingScanner = getFormattingScanner; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + formatting.anyContext = ts.emptyArray; + var RuleAction; + (function (RuleAction) { + RuleAction[RuleAction["StopProcessingSpaceActions"] = 1] = "StopProcessingSpaceActions"; + RuleAction[RuleAction["StopProcessingTokenActions"] = 2] = "StopProcessingTokenActions"; + RuleAction[RuleAction["InsertSpace"] = 4] = "InsertSpace"; + RuleAction[RuleAction["InsertNewLine"] = 8] = "InsertNewLine"; + RuleAction[RuleAction["DeleteSpace"] = 16] = "DeleteSpace"; + RuleAction[RuleAction["DeleteToken"] = 32] = "DeleteToken"; + RuleAction[RuleAction["InsertTrailingSemicolon"] = 64] = "InsertTrailingSemicolon"; + RuleAction[RuleAction["StopAction"] = 3] = "StopAction"; + RuleAction[RuleAction["ModifySpaceAction"] = 28] = "ModifySpaceAction"; + RuleAction[RuleAction["ModifyTokenAction"] = 96] = "ModifyTokenAction"; + })(RuleAction = formatting.RuleAction || (formatting.RuleAction = {})); + var RuleFlags; + (function (RuleFlags) { + RuleFlags[RuleFlags["None"] = 0] = "None"; + RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; + })(RuleFlags = formatting.RuleFlags || (formatting.RuleFlags = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + function getAllRules() { + var allTokens = []; + for (var token = 0 /* SyntaxKind.FirstToken */; token <= 160 /* SyntaxKind.LastToken */; token++) { + if (token !== 1 /* SyntaxKind.EndOfFileToken */) { + allTokens.push(token); + } + } + function anyTokenExcept() { + var tokens = []; + for (var _i = 0; _i < arguments.length; _i++) { + tokens[_i] = arguments[_i]; + } + return { tokens: allTokens.filter(function (t) { return !tokens.some(function (t2) { return t2 === t; }); }), isSpecific: false }; + } + var anyToken = { tokens: allTokens, isSpecific: false }; + var anyTokenIncludingMultilineComments = tokenRangeFrom(__spreadArray(__spreadArray([], allTokens, true), [3 /* SyntaxKind.MultiLineCommentTrivia */], false)); + var anyTokenIncludingEOF = tokenRangeFrom(__spreadArray(__spreadArray([], allTokens, true), [1 /* SyntaxKind.EndOfFileToken */], false)); + var keywords = tokenRangeFromRange(81 /* SyntaxKind.FirstKeyword */, 160 /* SyntaxKind.LastKeyword */); + var binaryOperators = tokenRangeFromRange(29 /* SyntaxKind.FirstBinaryOperator */, 78 /* SyntaxKind.LastBinaryOperator */); + var binaryKeywordOperators = [101 /* SyntaxKind.InKeyword */, 102 /* SyntaxKind.InstanceOfKeyword */, 160 /* SyntaxKind.OfKeyword */, 127 /* SyntaxKind.AsKeyword */, 139 /* SyntaxKind.IsKeyword */]; + var unaryPrefixOperators = [45 /* SyntaxKind.PlusPlusToken */, 46 /* SyntaxKind.MinusMinusToken */, 54 /* SyntaxKind.TildeToken */, 53 /* SyntaxKind.ExclamationToken */]; + var unaryPrefixExpressions = [ + 8 /* SyntaxKind.NumericLiteral */, 9 /* SyntaxKind.BigIntLiteral */, 79 /* SyntaxKind.Identifier */, 20 /* SyntaxKind.OpenParenToken */, + 22 /* SyntaxKind.OpenBracketToken */, 18 /* SyntaxKind.OpenBraceToken */, 108 /* SyntaxKind.ThisKeyword */, 103 /* SyntaxKind.NewKeyword */ + ]; + var unaryPreincrementExpressions = [79 /* SyntaxKind.Identifier */, 20 /* SyntaxKind.OpenParenToken */, 108 /* SyntaxKind.ThisKeyword */, 103 /* SyntaxKind.NewKeyword */]; + var unaryPostincrementExpressions = [79 /* SyntaxKind.Identifier */, 21 /* SyntaxKind.CloseParenToken */, 23 /* SyntaxKind.CloseBracketToken */, 103 /* SyntaxKind.NewKeyword */]; + var unaryPredecrementExpressions = [79 /* SyntaxKind.Identifier */, 20 /* SyntaxKind.OpenParenToken */, 108 /* SyntaxKind.ThisKeyword */, 103 /* SyntaxKind.NewKeyword */]; + var unaryPostdecrementExpressions = [79 /* SyntaxKind.Identifier */, 21 /* SyntaxKind.CloseParenToken */, 23 /* SyntaxKind.CloseBracketToken */, 103 /* SyntaxKind.NewKeyword */]; + var comments = [2 /* SyntaxKind.SingleLineCommentTrivia */, 3 /* SyntaxKind.MultiLineCommentTrivia */]; + var typeNames = __spreadArray([79 /* SyntaxKind.Identifier */], ts.typeKeywords, true); + // Place a space before open brace in a function declaration + // TypeScript: Function can have return types, which can be made of tons of different token kinds + var functionOpenBraceLeftTokenRange = anyTokenIncludingMultilineComments; + // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc) + var typeScriptOpenBraceLeftTokenRange = tokenRangeFrom([79 /* SyntaxKind.Identifier */, 3 /* SyntaxKind.MultiLineCommentTrivia */, 84 /* SyntaxKind.ClassKeyword */, 93 /* SyntaxKind.ExportKeyword */, 100 /* SyntaxKind.ImportKeyword */]); + // Place a space before open brace in a control flow construct + var controlOpenBraceLeftTokenRange = tokenRangeFrom([21 /* SyntaxKind.CloseParenToken */, 3 /* SyntaxKind.MultiLineCommentTrivia */, 90 /* SyntaxKind.DoKeyword */, 111 /* SyntaxKind.TryKeyword */, 96 /* SyntaxKind.FinallyKeyword */, 91 /* SyntaxKind.ElseKeyword */]); + // These rules are higher in priority than user-configurable + var highPriorityCommonRules = [ + // Leave comments alone + rule("IgnoreBeforeComment", anyToken, comments, formatting.anyContext, 1 /* RuleAction.StopProcessingSpaceActions */), + rule("IgnoreAfterLineComment", 2 /* SyntaxKind.SingleLineCommentTrivia */, anyToken, formatting.anyContext, 1 /* RuleAction.StopProcessingSpaceActions */), + rule("NotSpaceBeforeColon", anyToken, 58 /* SyntaxKind.ColonToken */, [isNonJsxSameLineTokenContext, isNotBinaryOpContext, isNotTypeAnnotationContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceAfterColon", 58 /* SyntaxKind.ColonToken */, anyToken, [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeQuestionMark", anyToken, 57 /* SyntaxKind.QuestionToken */, [isNonJsxSameLineTokenContext, isNotBinaryOpContext, isNotTypeAnnotationContext], 16 /* RuleAction.DeleteSpace */), + // insert space after '?' only when it is used in conditional operator + rule("SpaceAfterQuestionMarkInConditionalOperator", 57 /* SyntaxKind.QuestionToken */, anyToken, [isNonJsxSameLineTokenContext, isConditionalOperatorContext], 4 /* RuleAction.InsertSpace */), + // in other cases there should be no space between '?' and next token + rule("NoSpaceAfterQuestionMark", 57 /* SyntaxKind.QuestionToken */, anyToken, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeDot", anyToken, [24 /* SyntaxKind.DotToken */, 28 /* SyntaxKind.QuestionDotToken */], [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterDot", [24 /* SyntaxKind.DotToken */, 28 /* SyntaxKind.QuestionDotToken */], anyToken, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBetweenImportParenInImportType", 100 /* SyntaxKind.ImportKeyword */, 20 /* SyntaxKind.OpenParenToken */, [isNonJsxSameLineTokenContext, isImportTypeContext], 16 /* RuleAction.DeleteSpace */), + // Special handling of unary operators. + // Prefix operators generally shouldn't have a space between + // them and their target unary expression. + rule("NoSpaceAfterUnaryPrefixOperator", unaryPrefixOperators, unaryPrefixExpressions, [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterUnaryPreincrementOperator", 45 /* SyntaxKind.PlusPlusToken */, unaryPreincrementExpressions, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterUnaryPredecrementOperator", 46 /* SyntaxKind.MinusMinusToken */, unaryPredecrementExpressions, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeUnaryPostincrementOperator", unaryPostincrementExpressions, 45 /* SyntaxKind.PlusPlusToken */, [isNonJsxSameLineTokenContext, isNotStatementConditionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeUnaryPostdecrementOperator", unaryPostdecrementExpressions, 46 /* SyntaxKind.MinusMinusToken */, [isNonJsxSameLineTokenContext, isNotStatementConditionContext], 16 /* RuleAction.DeleteSpace */), + // More unary operator special-casing. + // DevDiv 181814: Be careful when removing leading whitespace + // around unary operators. Examples: + // 1 - -2 --X--> 1--2 + // a + ++b --X--> a+++b + rule("SpaceAfterPostincrementWhenFollowedByAdd", 45 /* SyntaxKind.PlusPlusToken */, 39 /* SyntaxKind.PlusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterAddWhenFollowedByUnaryPlus", 39 /* SyntaxKind.PlusToken */, 39 /* SyntaxKind.PlusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterAddWhenFollowedByPreincrement", 39 /* SyntaxKind.PlusToken */, 45 /* SyntaxKind.PlusPlusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterPostdecrementWhenFollowedBySubtract", 46 /* SyntaxKind.MinusMinusToken */, 40 /* SyntaxKind.MinusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterSubtractWhenFollowedByUnaryMinus", 40 /* SyntaxKind.MinusToken */, 40 /* SyntaxKind.MinusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterSubtractWhenFollowedByPredecrement", 40 /* SyntaxKind.MinusToken */, 46 /* SyntaxKind.MinusMinusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterCloseBrace", 19 /* SyntaxKind.CloseBraceToken */, [27 /* SyntaxKind.CommaToken */, 26 /* SyntaxKind.SemicolonToken */], [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // For functions and control block place } on a new line [multi-line rule] + rule("NewLineBeforeCloseBraceInBlockContext", anyTokenIncludingMultilineComments, 19 /* SyntaxKind.CloseBraceToken */, [isMultilineBlockContext], 8 /* RuleAction.InsertNewLine */), + // Space/new line after }. + rule("SpaceAfterCloseBrace", 19 /* SyntaxKind.CloseBraceToken */, anyTokenExcept(21 /* SyntaxKind.CloseParenToken */), [isNonJsxSameLineTokenContext, isAfterCodeBlockContext], 4 /* RuleAction.InsertSpace */), + // Special case for (}, else) and (}, while) since else & while tokens are not part of the tree which makes SpaceAfterCloseBrace rule not applied + // Also should not apply to }) + rule("SpaceBetweenCloseBraceAndElse", 19 /* SyntaxKind.CloseBraceToken */, 91 /* SyntaxKind.ElseKeyword */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBetweenCloseBraceAndWhile", 19 /* SyntaxKind.CloseBraceToken */, 115 /* SyntaxKind.WhileKeyword */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenEmptyBraceBrackets", 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, [isNonJsxSameLineTokenContext, isObjectContext], 16 /* RuleAction.DeleteSpace */), + // Add a space after control dec context if the next character is an open bracket ex: 'if (false)[a, b] = [1, 2];' -> 'if (false) [a, b] = [1, 2];' + rule("SpaceAfterConditionalClosingParen", 21 /* SyntaxKind.CloseParenToken */, 22 /* SyntaxKind.OpenBracketToken */, [isControlDeclContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenFunctionKeywordAndStar", 98 /* SyntaxKind.FunctionKeyword */, 41 /* SyntaxKind.AsteriskToken */, [isFunctionDeclarationOrFunctionExpressionContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceAfterStarInGeneratorDeclaration", 41 /* SyntaxKind.AsteriskToken */, 79 /* SyntaxKind.Identifier */, [isFunctionDeclarationOrFunctionExpressionContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterFunctionInFuncDecl", 98 /* SyntaxKind.FunctionKeyword */, anyToken, [isFunctionDeclContext], 4 /* RuleAction.InsertSpace */), + // Insert new line after { and before } in multi-line contexts. + rule("NewLineAfterOpenBraceInBlockContext", 18 /* SyntaxKind.OpenBraceToken */, anyToken, [isMultilineBlockContext], 8 /* RuleAction.InsertNewLine */), + // For get/set members, we check for (identifier,identifier) since get/set don't have tokens and they are represented as just an identifier token. + // Though, we do extra check on the context to make sure we are dealing with get/set node. Example: + // get x() {} + // set x(val) {} + rule("SpaceAfterGetSetInMember", [136 /* SyntaxKind.GetKeyword */, 149 /* SyntaxKind.SetKeyword */], 79 /* SyntaxKind.Identifier */, [isFunctionDeclContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenYieldKeywordAndStar", 125 /* SyntaxKind.YieldKeyword */, 41 /* SyntaxKind.AsteriskToken */, [isNonJsxSameLineTokenContext, isYieldOrYieldStarWithOperand], 16 /* RuleAction.DeleteSpace */), + rule("SpaceBetweenYieldOrYieldStarAndOperand", [125 /* SyntaxKind.YieldKeyword */, 41 /* SyntaxKind.AsteriskToken */], anyToken, [isNonJsxSameLineTokenContext, isYieldOrYieldStarWithOperand], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenReturnAndSemicolon", 105 /* SyntaxKind.ReturnKeyword */, 26 /* SyntaxKind.SemicolonToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceAfterCertainKeywords", [113 /* SyntaxKind.VarKeyword */, 109 /* SyntaxKind.ThrowKeyword */, 103 /* SyntaxKind.NewKeyword */, 89 /* SyntaxKind.DeleteKeyword */, 105 /* SyntaxKind.ReturnKeyword */, 112 /* SyntaxKind.TypeOfKeyword */, 132 /* SyntaxKind.AwaitKeyword */], anyToken, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterLetConstInVariableDeclaration", [119 /* SyntaxKind.LetKeyword */, 85 /* SyntaxKind.ConstKeyword */], anyToken, [isNonJsxSameLineTokenContext, isStartOfVariableDeclarationList], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeOpenParenInFuncCall", anyToken, 20 /* SyntaxKind.OpenParenToken */, [isNonJsxSameLineTokenContext, isFunctionCallOrNewContext, isPreviousTokenNotComma], 16 /* RuleAction.DeleteSpace */), + // Special case for binary operators (that are keywords). For these we have to add a space and shouldn't follow any user options. + rule("SpaceBeforeBinaryKeywordOperator", anyToken, binaryKeywordOperators, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterBinaryKeywordOperator", binaryKeywordOperators, anyToken, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterVoidOperator", 114 /* SyntaxKind.VoidKeyword */, anyToken, [isNonJsxSameLineTokenContext, isVoidOpContext], 4 /* RuleAction.InsertSpace */), + // Async-await + rule("SpaceBetweenAsyncAndOpenParen", 131 /* SyntaxKind.AsyncKeyword */, 20 /* SyntaxKind.OpenParenToken */, [isArrowFunctionContext, isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBetweenAsyncAndFunctionKeyword", 131 /* SyntaxKind.AsyncKeyword */, [98 /* SyntaxKind.FunctionKeyword */, 79 /* SyntaxKind.Identifier */], [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + // Template string + rule("NoSpaceBetweenTagAndTemplateString", [79 /* SyntaxKind.Identifier */, 21 /* SyntaxKind.CloseParenToken */], [14 /* SyntaxKind.NoSubstitutionTemplateLiteral */, 15 /* SyntaxKind.TemplateHead */], [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // JSX opening elements + rule("SpaceBeforeJsxAttribute", anyToken, 79 /* SyntaxKind.Identifier */, [isNextTokenParentJsxAttribute, isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBeforeSlashInJsxOpeningElement", anyToken, 43 /* SyntaxKind.SlashToken */, [isJsxSelfClosingElementContext, isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeGreaterThanTokenInJsxOpeningElement", 43 /* SyntaxKind.SlashToken */, 31 /* SyntaxKind.GreaterThanToken */, [isJsxSelfClosingElementContext, isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeEqualInJsxAttribute", anyToken, 63 /* SyntaxKind.EqualsToken */, [isJsxAttributeContext, isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterEqualInJsxAttribute", 63 /* SyntaxKind.EqualsToken */, anyToken, [isJsxAttributeContext, isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // TypeScript-specific rules + // Use of module as a function call. e.g.: import m2 = module("m2"); + rule("NoSpaceAfterModuleImport", [141 /* SyntaxKind.ModuleKeyword */, 146 /* SyntaxKind.RequireKeyword */], 20 /* SyntaxKind.OpenParenToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // Add a space around certain TypeScript keywords + rule("SpaceAfterCertainTypeScriptKeywords", [ + 126 /* SyntaxKind.AbstractKeyword */, + 84 /* SyntaxKind.ClassKeyword */, + 135 /* SyntaxKind.DeclareKeyword */, + 88 /* SyntaxKind.DefaultKeyword */, + 92 /* SyntaxKind.EnumKeyword */, + 93 /* SyntaxKind.ExportKeyword */, + 94 /* SyntaxKind.ExtendsKeyword */, + 136 /* SyntaxKind.GetKeyword */, + 117 /* SyntaxKind.ImplementsKeyword */, + 100 /* SyntaxKind.ImportKeyword */, + 118 /* SyntaxKind.InterfaceKeyword */, + 141 /* SyntaxKind.ModuleKeyword */, + 142 /* SyntaxKind.NamespaceKeyword */, + 121 /* SyntaxKind.PrivateKeyword */, + 123 /* SyntaxKind.PublicKeyword */, + 122 /* SyntaxKind.ProtectedKeyword */, + 145 /* SyntaxKind.ReadonlyKeyword */, + 149 /* SyntaxKind.SetKeyword */, + 124 /* SyntaxKind.StaticKeyword */, + 152 /* SyntaxKind.TypeKeyword */, + 156 /* SyntaxKind.FromKeyword */, + 140 /* SyntaxKind.KeyOfKeyword */, + 137 /* SyntaxKind.InferKeyword */, + ], anyToken, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBeforeCertainTypeScriptKeywords", anyToken, [94 /* SyntaxKind.ExtendsKeyword */, 117 /* SyntaxKind.ImplementsKeyword */, 156 /* SyntaxKind.FromKeyword */], [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" { + rule("SpaceAfterModuleName", 10 /* SyntaxKind.StringLiteral */, 18 /* SyntaxKind.OpenBraceToken */, [isModuleDeclContext], 4 /* RuleAction.InsertSpace */), + // Lambda expressions + rule("SpaceBeforeArrow", anyToken, 38 /* SyntaxKind.EqualsGreaterThanToken */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterArrow", 38 /* SyntaxKind.EqualsGreaterThanToken */, anyToken, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + // Optional parameters and let args + rule("NoSpaceAfterEllipsis", 25 /* SyntaxKind.DotDotDotToken */, 79 /* SyntaxKind.Identifier */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterOptionalParameters", 57 /* SyntaxKind.QuestionToken */, [21 /* SyntaxKind.CloseParenToken */, 27 /* SyntaxKind.CommaToken */], [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 16 /* RuleAction.DeleteSpace */), + // Remove spaces in empty interface literals. e.g.: x: {} + rule("NoSpaceBetweenEmptyInterfaceBraceBrackets", 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, [isNonJsxSameLineTokenContext, isObjectTypeContext], 16 /* RuleAction.DeleteSpace */), + // generics and type assertions + rule("NoSpaceBeforeOpenAngularBracket", typeNames, 29 /* SyntaxKind.LessThanToken */, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBetweenCloseParenAndAngularBracket", 21 /* SyntaxKind.CloseParenToken */, 29 /* SyntaxKind.LessThanToken */, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterOpenAngularBracket", 29 /* SyntaxKind.LessThanToken */, anyToken, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeCloseAngularBracket", anyToken, 31 /* SyntaxKind.GreaterThanToken */, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterCloseAngularBracket", 31 /* SyntaxKind.GreaterThanToken */, [20 /* SyntaxKind.OpenParenToken */, 22 /* SyntaxKind.OpenBracketToken */, 31 /* SyntaxKind.GreaterThanToken */, 27 /* SyntaxKind.CommaToken */], [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext, isNotFunctionDeclContext /*To prevent an interference with the SpaceBeforeOpenParenInFuncDecl rule*/], 16 /* RuleAction.DeleteSpace */), + // decorators + rule("SpaceBeforeAt", [21 /* SyntaxKind.CloseParenToken */, 79 /* SyntaxKind.Identifier */], 59 /* SyntaxKind.AtToken */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterAt", 59 /* SyntaxKind.AtToken */, anyToken, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after @ in decorator + rule("SpaceAfterDecorator", anyToken, [ + 126 /* SyntaxKind.AbstractKeyword */, + 79 /* SyntaxKind.Identifier */, + 93 /* SyntaxKind.ExportKeyword */, + 88 /* SyntaxKind.DefaultKeyword */, + 84 /* SyntaxKind.ClassKeyword */, + 124 /* SyntaxKind.StaticKeyword */, + 123 /* SyntaxKind.PublicKeyword */, + 121 /* SyntaxKind.PrivateKeyword */, + 122 /* SyntaxKind.ProtectedKeyword */, + 136 /* SyntaxKind.GetKeyword */, + 149 /* SyntaxKind.SetKeyword */, + 22 /* SyntaxKind.OpenBracketToken */, + 41 /* SyntaxKind.AsteriskToken */, + ], [isEndOfDecoratorContextOnSameLine], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeNonNullAssertionOperator", anyToken, 53 /* SyntaxKind.ExclamationToken */, [isNonJsxSameLineTokenContext, isNonNullAssertionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterNewKeywordOnConstructorSignature", 103 /* SyntaxKind.NewKeyword */, 20 /* SyntaxKind.OpenParenToken */, [isNonJsxSameLineTokenContext, isConstructorSignatureContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceLessThanAndNonJSXTypeAnnotation", 29 /* SyntaxKind.LessThanToken */, 29 /* SyntaxKind.LessThanToken */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + ]; + // These rules are applied after high priority + var userConfigurableRules = [ + // Treat constructor as an identifier in a function declaration, and remove spaces between constructor and following left parentheses + rule("SpaceAfterConstructor", 134 /* SyntaxKind.ConstructorKeyword */, 20 /* SyntaxKind.OpenParenToken */, [isOptionEnabled("insertSpaceAfterConstructor"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterConstructor", 134 /* SyntaxKind.ConstructorKeyword */, 20 /* SyntaxKind.OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterConstructor"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceAfterComma", 27 /* SyntaxKind.CommaToken */, anyToken, [isOptionEnabled("insertSpaceAfterCommaDelimiter"), isNonJsxSameLineTokenContext, isNonJsxElementOrFragmentContext, isNextTokenNotCloseBracket, isNextTokenNotCloseParen], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterComma", 27 /* SyntaxKind.CommaToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterCommaDelimiter"), isNonJsxSameLineTokenContext, isNonJsxElementOrFragmentContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after function keyword for anonymous functions + rule("SpaceAfterAnonymousFunctionKeyword", [98 /* SyntaxKind.FunctionKeyword */, 41 /* SyntaxKind.AsteriskToken */], 20 /* SyntaxKind.OpenParenToken */, [isOptionEnabled("insertSpaceAfterFunctionKeywordForAnonymousFunctions"), isFunctionDeclContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterAnonymousFunctionKeyword", [98 /* SyntaxKind.FunctionKeyword */, 41 /* SyntaxKind.AsteriskToken */], 20 /* SyntaxKind.OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterFunctionKeywordForAnonymousFunctions"), isFunctionDeclContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after keywords in control flow statements + rule("SpaceAfterKeywordInControl", keywords, 20 /* SyntaxKind.OpenParenToken */, [isOptionEnabled("insertSpaceAfterKeywordsInControlFlowStatements"), isControlDeclContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterKeywordInControl", keywords, 20 /* SyntaxKind.OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterKeywordsInControlFlowStatements"), isControlDeclContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after opening and before closing nonempty parenthesis + rule("SpaceAfterOpenParen", 20 /* SyntaxKind.OpenParenToken */, anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBeforeCloseParen", anyToken, 21 /* SyntaxKind.CloseParenToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBetweenOpenParens", 20 /* SyntaxKind.OpenParenToken */, 20 /* SyntaxKind.OpenParenToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenParens", 20 /* SyntaxKind.OpenParenToken */, 21 /* SyntaxKind.CloseParenToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterOpenParen", 20 /* SyntaxKind.OpenParenToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeCloseParen", anyToken, 21 /* SyntaxKind.CloseParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after opening and before closing nonempty brackets + rule("SpaceAfterOpenBracket", 22 /* SyntaxKind.OpenBracketToken */, anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBeforeCloseBracket", anyToken, 23 /* SyntaxKind.CloseBracketToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenBrackets", 22 /* SyntaxKind.OpenBracketToken */, 23 /* SyntaxKind.CloseBracketToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterOpenBracket", 22 /* SyntaxKind.OpenBracketToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeCloseBracket", anyToken, 23 /* SyntaxKind.CloseBracketToken */, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}. + rule("SpaceAfterOpenBrace", 18 /* SyntaxKind.OpenBraceToken */, anyToken, [isOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isBraceWrappedContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBeforeCloseBrace", anyToken, 19 /* SyntaxKind.CloseBraceToken */, [isOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isBraceWrappedContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenEmptyBraceBrackets", 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, [isNonJsxSameLineTokenContext, isObjectContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterOpenBrace", 18 /* SyntaxKind.OpenBraceToken */, anyToken, [isOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeCloseBrace", anyToken, 19 /* SyntaxKind.CloseBraceToken */, [isOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // Insert a space after opening and before closing empty brace brackets + rule("SpaceBetweenEmptyBraceBrackets", 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingEmptyBraces")], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBetweenEmptyBraceBrackets", 18 /* SyntaxKind.OpenBraceToken */, 19 /* SyntaxKind.CloseBraceToken */, [isOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingEmptyBraces"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after opening and before closing template string braces + rule("SpaceAfterTemplateHeadAndMiddle", [15 /* SyntaxKind.TemplateHead */, 16 /* SyntaxKind.TemplateMiddle */], anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxTextContext], 4 /* RuleAction.InsertSpace */, 1 /* RuleFlags.CanDeleteNewLines */), + rule("SpaceBeforeTemplateMiddleAndTail", anyToken, [16 /* SyntaxKind.TemplateMiddle */, 17 /* SyntaxKind.TemplateTail */], [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterTemplateHeadAndMiddle", [15 /* SyntaxKind.TemplateHead */, 16 /* SyntaxKind.TemplateMiddle */], anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxTextContext], 16 /* RuleAction.DeleteSpace */, 1 /* RuleFlags.CanDeleteNewLines */), + rule("NoSpaceBeforeTemplateMiddleAndTail", anyToken, [16 /* SyntaxKind.TemplateMiddle */, 17 /* SyntaxKind.TemplateTail */], [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // No space after { and before } in JSX expression + rule("SpaceAfterOpenBraceInJsxExpression", 18 /* SyntaxKind.OpenBraceToken */, anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceBeforeCloseBraceInJsxExpression", anyToken, 19 /* SyntaxKind.CloseBraceToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterOpenBraceInJsxExpression", 18 /* SyntaxKind.OpenBraceToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceBeforeCloseBraceInJsxExpression", anyToken, 19 /* SyntaxKind.CloseBraceToken */, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 16 /* RuleAction.DeleteSpace */), + // Insert space after semicolon in for statement + rule("SpaceAfterSemicolonInFor", 26 /* SyntaxKind.SemicolonToken */, anyToken, [isOptionEnabled("insertSpaceAfterSemicolonInForStatements"), isNonJsxSameLineTokenContext, isForContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterSemicolonInFor", 26 /* SyntaxKind.SemicolonToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterSemicolonInForStatements"), isNonJsxSameLineTokenContext, isForContext], 16 /* RuleAction.DeleteSpace */), + // Insert space before and after binary operators + rule("SpaceBeforeBinaryOperator", anyToken, binaryOperators, [isOptionEnabled("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("SpaceAfterBinaryOperator", binaryOperators, anyToken, [isOptionEnabled("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeBinaryOperator", anyToken, binaryOperators, [isOptionDisabledOrUndefined("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterBinaryOperator", binaryOperators, anyToken, [isOptionDisabledOrUndefined("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceBeforeOpenParenInFuncDecl", anyToken, 20 /* SyntaxKind.OpenParenToken */, [isOptionEnabled("insertSpaceBeforeFunctionParenthesis"), isNonJsxSameLineTokenContext, isFunctionDeclContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeOpenParenInFuncDecl", anyToken, 20 /* SyntaxKind.OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceBeforeFunctionParenthesis"), isNonJsxSameLineTokenContext, isFunctionDeclContext], 16 /* RuleAction.DeleteSpace */), + // Open Brace braces after control block + rule("NewLineBeforeOpenBraceInControl", controlOpenBraceLeftTokenRange, 18 /* SyntaxKind.OpenBraceToken */, [isOptionEnabled("placeOpenBraceOnNewLineForControlBlocks"), isControlDeclContext, isBeforeMultilineBlockContext], 8 /* RuleAction.InsertNewLine */, 1 /* RuleFlags.CanDeleteNewLines */), + // Open Brace braces after function + // TypeScript: Function can have return types, which can be made of tons of different token kinds + rule("NewLineBeforeOpenBraceInFunction", functionOpenBraceLeftTokenRange, 18 /* SyntaxKind.OpenBraceToken */, [isOptionEnabled("placeOpenBraceOnNewLineForFunctions"), isFunctionDeclContext, isBeforeMultilineBlockContext], 8 /* RuleAction.InsertNewLine */, 1 /* RuleFlags.CanDeleteNewLines */), + // Open Brace braces after TypeScript module/class/interface + rule("NewLineBeforeOpenBraceInTypeScriptDeclWithBlock", typeScriptOpenBraceLeftTokenRange, 18 /* SyntaxKind.OpenBraceToken */, [isOptionEnabled("placeOpenBraceOnNewLineForFunctions"), isTypeScriptDeclWithBlockContext, isBeforeMultilineBlockContext], 8 /* RuleAction.InsertNewLine */, 1 /* RuleFlags.CanDeleteNewLines */), + rule("SpaceAfterTypeAssertion", 31 /* SyntaxKind.GreaterThanToken */, anyToken, [isOptionEnabled("insertSpaceAfterTypeAssertion"), isNonJsxSameLineTokenContext, isTypeAssertionContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceAfterTypeAssertion", 31 /* SyntaxKind.GreaterThanToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterTypeAssertion"), isNonJsxSameLineTokenContext, isTypeAssertionContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceBeforeTypeAnnotation", anyToken, [57 /* SyntaxKind.QuestionToken */, 58 /* SyntaxKind.ColonToken */], [isOptionEnabled("insertSpaceBeforeTypeAnnotation"), isNonJsxSameLineTokenContext, isTypeAnnotationContext], 4 /* RuleAction.InsertSpace */), + rule("NoSpaceBeforeTypeAnnotation", anyToken, [57 /* SyntaxKind.QuestionToken */, 58 /* SyntaxKind.ColonToken */], [isOptionDisabledOrUndefined("insertSpaceBeforeTypeAnnotation"), isNonJsxSameLineTokenContext, isTypeAnnotationContext], 16 /* RuleAction.DeleteSpace */), + rule("NoOptionalSemicolon", 26 /* SyntaxKind.SemicolonToken */, anyTokenIncludingEOF, [optionEquals("semicolons", ts.SemicolonPreference.Remove), isSemicolonDeletionContext], 32 /* RuleAction.DeleteToken */), + rule("OptionalSemicolon", anyToken, anyTokenIncludingEOF, [optionEquals("semicolons", ts.SemicolonPreference.Insert), isSemicolonInsertionContext], 64 /* RuleAction.InsertTrailingSemicolon */), + ]; + // These rules are lower in priority than user-configurable. Rules earlier in this list have priority over rules later in the list. + var lowPriorityCommonRules = [ + // Space after keyword but not before ; or : or ? + rule("NoSpaceBeforeSemicolon", anyToken, 26 /* SyntaxKind.SemicolonToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceBeforeOpenBraceInControl", controlOpenBraceLeftTokenRange, 18 /* SyntaxKind.OpenBraceToken */, [isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForControlBlocks"), isControlDeclContext, isNotFormatOnEnter, isSameLineTokenOrBeforeBlockContext], 4 /* RuleAction.InsertSpace */, 1 /* RuleFlags.CanDeleteNewLines */), + rule("SpaceBeforeOpenBraceInFunction", functionOpenBraceLeftTokenRange, 18 /* SyntaxKind.OpenBraceToken */, [isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForFunctions"), isFunctionDeclContext, isBeforeBlockContext, isNotFormatOnEnter, isSameLineTokenOrBeforeBlockContext], 4 /* RuleAction.InsertSpace */, 1 /* RuleFlags.CanDeleteNewLines */), + rule("SpaceBeforeOpenBraceInTypeScriptDeclWithBlock", typeScriptOpenBraceLeftTokenRange, 18 /* SyntaxKind.OpenBraceToken */, [isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForFunctions"), isTypeScriptDeclWithBlockContext, isNotFormatOnEnter, isSameLineTokenOrBeforeBlockContext], 4 /* RuleAction.InsertSpace */, 1 /* RuleFlags.CanDeleteNewLines */), + rule("NoSpaceBeforeComma", anyToken, 27 /* SyntaxKind.CommaToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + // No space before and after indexer `x[]` + rule("NoSpaceBeforeOpenBracket", anyTokenExcept(131 /* SyntaxKind.AsyncKeyword */, 82 /* SyntaxKind.CaseKeyword */), 22 /* SyntaxKind.OpenBracketToken */, [isNonJsxSameLineTokenContext], 16 /* RuleAction.DeleteSpace */), + rule("NoSpaceAfterCloseBracket", 23 /* SyntaxKind.CloseBracketToken */, anyToken, [isNonJsxSameLineTokenContext, isNotBeforeBlockInFunctionDeclarationContext], 16 /* RuleAction.DeleteSpace */), + rule("SpaceAfterSemicolon", 26 /* SyntaxKind.SemicolonToken */, anyToken, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + // Remove extra space between for and await + rule("SpaceBetweenForAndAwaitKeyword", 97 /* SyntaxKind.ForKeyword */, 132 /* SyntaxKind.AwaitKeyword */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + // Add a space between statements. All keywords except (do,else,case) has open/close parens after them. + // So, we have a rule to add a space for [),Any], [do,Any], [else,Any], and [case,Any] + rule("SpaceBetweenStatements", [21 /* SyntaxKind.CloseParenToken */, 90 /* SyntaxKind.DoKeyword */, 91 /* SyntaxKind.ElseKeyword */, 82 /* SyntaxKind.CaseKeyword */], anyToken, [isNonJsxSameLineTokenContext, isNonJsxElementOrFragmentContext, isNotForContext], 4 /* RuleAction.InsertSpace */), + // This low-pri rule takes care of "try {", "catch {" and "finally {" in case the rule SpaceBeforeOpenBraceInControl didn't execute on FormatOnEnter. + rule("SpaceAfterTryCatchFinally", [111 /* SyntaxKind.TryKeyword */, 83 /* SyntaxKind.CatchKeyword */, 96 /* SyntaxKind.FinallyKeyword */], 18 /* SyntaxKind.OpenBraceToken */, [isNonJsxSameLineTokenContext], 4 /* RuleAction.InsertSpace */), + ]; + return __spreadArray(__spreadArray(__spreadArray([], highPriorityCommonRules, true), userConfigurableRules, true), lowPriorityCommonRules, true); + } + formatting.getAllRules = getAllRules; + /** + * A rule takes a two tokens (left/right) and a particular context + * for which you're meant to look at them. You then declare what should the + * whitespace annotation be between these tokens via the action param. + * + * @param debugName Name to print + * @param left The left side of the comparison + * @param right The right side of the comparison + * @param context A set of filters to narrow down the space in which this formatter rule applies + * @param action a declaration of the expected whitespace + * @param flags whether the rule deletes a line or not, defaults to no-op + */ + function rule(debugName, left, right, context, action, flags) { + if (flags === void 0) { flags = 0 /* RuleFlags.None */; } + return { leftTokenRange: toTokenRange(left), rightTokenRange: toTokenRange(right), rule: { debugName: debugName, context: context, action: action, flags: flags } }; + } + function tokenRangeFrom(tokens) { + return { tokens: tokens, isSpecific: true }; + } + function toTokenRange(arg) { + return typeof arg === "number" ? tokenRangeFrom([arg]) : ts.isArray(arg) ? tokenRangeFrom(arg) : arg; + } + function tokenRangeFromRange(from, to, except) { + if (except === void 0) { except = []; } + var tokens = []; + for (var token = from; token <= to; token++) { + if (!ts.contains(except, token)) { + tokens.push(token); + } + } + return tokenRangeFrom(tokens); + } + /// + /// Contexts + /// + function optionEquals(optionName, optionValue) { + return function (context) { return context.options && context.options[optionName] === optionValue; }; + } + function isOptionEnabled(optionName) { + return function (context) { return context.options && context.options.hasOwnProperty(optionName) && !!context.options[optionName]; }; + } + function isOptionDisabled(optionName) { + return function (context) { return context.options && context.options.hasOwnProperty(optionName) && !context.options[optionName]; }; + } + function isOptionDisabledOrUndefined(optionName) { + return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !context.options[optionName]; }; + } + function isOptionDisabledOrUndefinedOrTokensOnSameLine(optionName) { + return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !context.options[optionName] || context.TokensAreOnSameLine(); }; + } + function isOptionEnabledOrUndefined(optionName) { + return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !!context.options[optionName]; }; + } + function isForContext(context) { + return context.contextNode.kind === 242 /* SyntaxKind.ForStatement */; + } + function isNotForContext(context) { + return !isForContext(context); + } + function isBinaryOpContext(context) { + switch (context.contextNode.kind) { + case 221 /* SyntaxKind.BinaryExpression */: + return context.contextNode.operatorToken.kind !== 27 /* SyntaxKind.CommaToken */; + case 222 /* SyntaxKind.ConditionalExpression */: + case 189 /* SyntaxKind.ConditionalType */: + case 229 /* SyntaxKind.AsExpression */: + case 275 /* SyntaxKind.ExportSpecifier */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 177 /* SyntaxKind.TypePredicate */: + case 187 /* SyntaxKind.UnionType */: + case 188 /* SyntaxKind.IntersectionType */: + return true; + // equals in binding elements: function foo([[x, y] = [1, 2]]) + case 203 /* SyntaxKind.BindingElement */: + // equals in type X = ... + // falls through + case 259 /* SyntaxKind.TypeAliasDeclaration */: + // equal in import a = module('a'); + // falls through + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + // equal in export = 1 + // falls through + case 271 /* SyntaxKind.ExportAssignment */: + // equal in let a = 0 + // falls through + case 254 /* SyntaxKind.VariableDeclaration */: + // equal in p = 0 + // falls through + case 164 /* SyntaxKind.Parameter */: + case 299 /* SyntaxKind.EnumMember */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + return context.currentTokenSpan.kind === 63 /* SyntaxKind.EqualsToken */ || context.nextTokenSpan.kind === 63 /* SyntaxKind.EqualsToken */; + // "in" keyword in for (let x in []) { } + case 243 /* SyntaxKind.ForInStatement */: + // "in" keyword in [P in keyof T]: T[P] + // falls through + case 163 /* SyntaxKind.TypeParameter */: + return context.currentTokenSpan.kind === 101 /* SyntaxKind.InKeyword */ || context.nextTokenSpan.kind === 101 /* SyntaxKind.InKeyword */ || context.currentTokenSpan.kind === 63 /* SyntaxKind.EqualsToken */ || context.nextTokenSpan.kind === 63 /* SyntaxKind.EqualsToken */; + // Technically, "of" is not a binary operator, but format it the same way as "in" + case 244 /* SyntaxKind.ForOfStatement */: + return context.currentTokenSpan.kind === 160 /* SyntaxKind.OfKeyword */ || context.nextTokenSpan.kind === 160 /* SyntaxKind.OfKeyword */; + } + return false; + } + function isNotBinaryOpContext(context) { + return !isBinaryOpContext(context); + } + function isNotTypeAnnotationContext(context) { + return !isTypeAnnotationContext(context); + } + function isTypeAnnotationContext(context) { + var contextKind = context.contextNode.kind; + return contextKind === 167 /* SyntaxKind.PropertyDeclaration */ || + contextKind === 166 /* SyntaxKind.PropertySignature */ || + contextKind === 164 /* SyntaxKind.Parameter */ || + contextKind === 254 /* SyntaxKind.VariableDeclaration */ || + ts.isFunctionLikeKind(contextKind); + } + function isConditionalOperatorContext(context) { + return context.contextNode.kind === 222 /* SyntaxKind.ConditionalExpression */ || + context.contextNode.kind === 189 /* SyntaxKind.ConditionalType */; + } + function isSameLineTokenOrBeforeBlockContext(context) { + return context.TokensAreOnSameLine() || isBeforeBlockContext(context); + } + function isBraceWrappedContext(context) { + return context.contextNode.kind === 201 /* SyntaxKind.ObjectBindingPattern */ || + context.contextNode.kind === 195 /* SyntaxKind.MappedType */ || + isSingleLineBlockContext(context); + } + // This check is done before an open brace in a control construct, a function, or a typescript block declaration + function isBeforeMultilineBlockContext(context) { + return isBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); + } + function isMultilineBlockContext(context) { + return isBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + } + function isSingleLineBlockContext(context) { + return isBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + } + function isBlockContext(context) { + return nodeIsBlockContext(context.contextNode); + } + function isBeforeBlockContext(context) { + return nodeIsBlockContext(context.nextTokenParent); + } + // IMPORTANT!!! This method must return true ONLY for nodes with open and close braces as immediate children + function nodeIsBlockContext(node) { + if (nodeIsTypeScriptDeclWithBlockContext(node)) { + // This means we are in a context that looks like a block to the user, but in the grammar is actually not a node (it's a class, module, enum, object type literal, etc). + return true; + } + switch (node.kind) { + case 235 /* SyntaxKind.Block */: + case 263 /* SyntaxKind.CaseBlock */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 262 /* SyntaxKind.ModuleBlock */: + return true; + } + return false; + } + function isFunctionDeclContext(context) { + switch (context.contextNode.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + // case SyntaxKind.MemberFunctionDeclaration: + // falls through + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + // case SyntaxKind.MethodSignature: + // falls through + case 174 /* SyntaxKind.CallSignature */: + case 213 /* SyntaxKind.FunctionExpression */: + case 171 /* SyntaxKind.Constructor */: + case 214 /* SyntaxKind.ArrowFunction */: + // case SyntaxKind.ConstructorDeclaration: + // case SyntaxKind.SimpleArrowFunctionExpression: + // case SyntaxKind.ParenthesizedArrowFunctionExpression: + // falls through + case 258 /* SyntaxKind.InterfaceDeclaration */: // This one is not truly a function, but for formatting purposes, it acts just like one + return true; + } + return false; + } + function isNotFunctionDeclContext(context) { + return !isFunctionDeclContext(context); + } + function isFunctionDeclarationOrFunctionExpressionContext(context) { + return context.contextNode.kind === 256 /* SyntaxKind.FunctionDeclaration */ || context.contextNode.kind === 213 /* SyntaxKind.FunctionExpression */; + } + function isTypeScriptDeclWithBlockContext(context) { + return nodeIsTypeScriptDeclWithBlockContext(context.contextNode); + } + function nodeIsTypeScriptDeclWithBlockContext(node) { + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 182 /* SyntaxKind.TypeLiteral */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 272 /* SyntaxKind.ExportDeclaration */: + case 273 /* SyntaxKind.NamedExports */: + case 266 /* SyntaxKind.ImportDeclaration */: + case 269 /* SyntaxKind.NamedImports */: + return true; + } + return false; + } + function isAfterCodeBlockContext(context) { + switch (context.currentTokenParent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 292 /* SyntaxKind.CatchClause */: + case 262 /* SyntaxKind.ModuleBlock */: + case 249 /* SyntaxKind.SwitchStatement */: + return true; + case 235 /* SyntaxKind.Block */: { + var blockParent = context.currentTokenParent.parent; + // In a codefix scenario, we can't rely on parents being set. So just always return true. + if (!blockParent || blockParent.kind !== 214 /* SyntaxKind.ArrowFunction */ && blockParent.kind !== 213 /* SyntaxKind.FunctionExpression */) { + return true; + } + } + } + return false; + } + function isControlDeclContext(context) { + switch (context.contextNode.kind) { + case 239 /* SyntaxKind.IfStatement */: + case 249 /* SyntaxKind.SwitchStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 252 /* SyntaxKind.TryStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 248 /* SyntaxKind.WithStatement */: + // TODO + // case SyntaxKind.ElseClause: + // falls through + case 292 /* SyntaxKind.CatchClause */: + return true; + default: + return false; + } + } + function isObjectContext(context) { + return context.contextNode.kind === 205 /* SyntaxKind.ObjectLiteralExpression */; + } + function isFunctionCallContext(context) { + return context.contextNode.kind === 208 /* SyntaxKind.CallExpression */; + } + function isNewContext(context) { + return context.contextNode.kind === 209 /* SyntaxKind.NewExpression */; + } + function isFunctionCallOrNewContext(context) { + return isFunctionCallContext(context) || isNewContext(context); + } + function isPreviousTokenNotComma(context) { + return context.currentTokenSpan.kind !== 27 /* SyntaxKind.CommaToken */; + } + function isNextTokenNotCloseBracket(context) { + return context.nextTokenSpan.kind !== 23 /* SyntaxKind.CloseBracketToken */; + } + function isNextTokenNotCloseParen(context) { + return context.nextTokenSpan.kind !== 21 /* SyntaxKind.CloseParenToken */; + } + function isArrowFunctionContext(context) { + return context.contextNode.kind === 214 /* SyntaxKind.ArrowFunction */; + } + function isImportTypeContext(context) { + return context.contextNode.kind === 200 /* SyntaxKind.ImportType */; + } + function isNonJsxSameLineTokenContext(context) { + return context.TokensAreOnSameLine() && context.contextNode.kind !== 11 /* SyntaxKind.JsxText */; + } + function isNonJsxTextContext(context) { + return context.contextNode.kind !== 11 /* SyntaxKind.JsxText */; + } + function isNonJsxElementOrFragmentContext(context) { + return context.contextNode.kind !== 278 /* SyntaxKind.JsxElement */ && context.contextNode.kind !== 282 /* SyntaxKind.JsxFragment */; + } + function isJsxExpressionContext(context) { + return context.contextNode.kind === 288 /* SyntaxKind.JsxExpression */ || context.contextNode.kind === 287 /* SyntaxKind.JsxSpreadAttribute */; + } + function isNextTokenParentJsxAttribute(context) { + return context.nextTokenParent.kind === 285 /* SyntaxKind.JsxAttribute */; + } + function isJsxAttributeContext(context) { + return context.contextNode.kind === 285 /* SyntaxKind.JsxAttribute */; + } + function isJsxSelfClosingElementContext(context) { + return context.contextNode.kind === 279 /* SyntaxKind.JsxSelfClosingElement */; + } + function isNotBeforeBlockInFunctionDeclarationContext(context) { + return !isFunctionDeclContext(context) && !isBeforeBlockContext(context); + } + function isEndOfDecoratorContextOnSameLine(context) { + return context.TokensAreOnSameLine() && + !!context.contextNode.decorators && + nodeIsInDecoratorContext(context.currentTokenParent) && + !nodeIsInDecoratorContext(context.nextTokenParent); + } + function nodeIsInDecoratorContext(node) { + while (ts.isExpressionNode(node)) { + node = node.parent; + } + return node.kind === 165 /* SyntaxKind.Decorator */; + } + function isStartOfVariableDeclarationList(context) { + return context.currentTokenParent.kind === 255 /* SyntaxKind.VariableDeclarationList */ && + context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; + } + function isNotFormatOnEnter(context) { + return context.formattingRequestKind !== 2 /* FormattingRequestKind.FormatOnEnter */; + } + function isModuleDeclContext(context) { + return context.contextNode.kind === 261 /* SyntaxKind.ModuleDeclaration */; + } + function isObjectTypeContext(context) { + return context.contextNode.kind === 182 /* SyntaxKind.TypeLiteral */; // && context.contextNode.parent.kind !== SyntaxKind.InterfaceDeclaration; + } + function isConstructorSignatureContext(context) { + return context.contextNode.kind === 175 /* SyntaxKind.ConstructSignature */; + } + function isTypeArgumentOrParameterOrAssertion(token, parent) { + if (token.kind !== 29 /* SyntaxKind.LessThanToken */ && token.kind !== 31 /* SyntaxKind.GreaterThanToken */) { + return false; + } + switch (parent.kind) { + case 178 /* SyntaxKind.TypeReference */: + case 211 /* SyntaxKind.TypeAssertionExpression */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return true; + default: + return false; + } + } + function isTypeArgumentOrParameterOrAssertionContext(context) { + return isTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || + isTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); + } + function isTypeAssertionContext(context) { + return context.contextNode.kind === 211 /* SyntaxKind.TypeAssertionExpression */; + } + function isVoidOpContext(context) { + return context.currentTokenSpan.kind === 114 /* SyntaxKind.VoidKeyword */ && context.currentTokenParent.kind === 217 /* SyntaxKind.VoidExpression */; + } + function isYieldOrYieldStarWithOperand(context) { + return context.contextNode.kind === 224 /* SyntaxKind.YieldExpression */ && context.contextNode.expression !== undefined; + } + function isNonNullAssertionContext(context) { + return context.contextNode.kind === 230 /* SyntaxKind.NonNullExpression */; + } + function isNotStatementConditionContext(context) { + return !isStatementConditionContext(context); + } + function isStatementConditionContext(context) { + switch (context.contextNode.kind) { + case 239 /* SyntaxKind.IfStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + return true; + default: + return false; + } + } + function isSemicolonDeletionContext(context) { + var nextTokenKind = context.nextTokenSpan.kind; + var nextTokenStart = context.nextTokenSpan.pos; + if (ts.isTrivia(nextTokenKind)) { + var nextRealToken = context.nextTokenParent === context.currentTokenParent + ? ts.findNextToken(context.currentTokenParent, ts.findAncestor(context.currentTokenParent, function (a) { return !a.parent; }), context.sourceFile) + : context.nextTokenParent.getFirstToken(context.sourceFile); + if (!nextRealToken) { + return true; + } + nextTokenKind = nextRealToken.kind; + nextTokenStart = nextRealToken.getStart(context.sourceFile); + } + var startLine = context.sourceFile.getLineAndCharacterOfPosition(context.currentTokenSpan.pos).line; + var endLine = context.sourceFile.getLineAndCharacterOfPosition(nextTokenStart).line; + if (startLine === endLine) { + return nextTokenKind === 19 /* SyntaxKind.CloseBraceToken */ + || nextTokenKind === 1 /* SyntaxKind.EndOfFileToken */; + } + if (nextTokenKind === 234 /* SyntaxKind.SemicolonClassElement */ || + nextTokenKind === 26 /* SyntaxKind.SemicolonToken */) { + return false; + } + if (context.contextNode.kind === 258 /* SyntaxKind.InterfaceDeclaration */ || + context.contextNode.kind === 259 /* SyntaxKind.TypeAliasDeclaration */) { + // Can’t remove semicolon after `foo`; it would parse as a method declaration: + // + // interface I { + // foo; + // (): void + // } + return !ts.isPropertySignature(context.currentTokenParent) + || !!context.currentTokenParent.type + || nextTokenKind !== 20 /* SyntaxKind.OpenParenToken */; + } + if (ts.isPropertyDeclaration(context.currentTokenParent)) { + return !context.currentTokenParent.initializer; + } + return context.currentTokenParent.kind !== 242 /* SyntaxKind.ForStatement */ + && context.currentTokenParent.kind !== 236 /* SyntaxKind.EmptyStatement */ + && context.currentTokenParent.kind !== 234 /* SyntaxKind.SemicolonClassElement */ + && nextTokenKind !== 22 /* SyntaxKind.OpenBracketToken */ + && nextTokenKind !== 20 /* SyntaxKind.OpenParenToken */ + && nextTokenKind !== 39 /* SyntaxKind.PlusToken */ + && nextTokenKind !== 40 /* SyntaxKind.MinusToken */ + && nextTokenKind !== 43 /* SyntaxKind.SlashToken */ + && nextTokenKind !== 13 /* SyntaxKind.RegularExpressionLiteral */ + && nextTokenKind !== 27 /* SyntaxKind.CommaToken */ + && nextTokenKind !== 223 /* SyntaxKind.TemplateExpression */ + && nextTokenKind !== 15 /* SyntaxKind.TemplateHead */ + && nextTokenKind !== 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */ + && nextTokenKind !== 24 /* SyntaxKind.DotToken */; + } + function isSemicolonInsertionContext(context) { + return ts.positionIsASICandidate(context.currentTokenSpan.end, context.currentTokenParent, context.sourceFile); + } + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + function getFormatContext(options, host) { + return { options: options, getRules: getRulesMap(), host: host }; + } + formatting.getFormatContext = getFormatContext; + var rulesMapCache; + function getRulesMap() { + if (rulesMapCache === undefined) { + rulesMapCache = createRulesMap(formatting.getAllRules()); + } + return rulesMapCache; + } + /** + * For a given rule action, gets a mask of other rule actions that + * cannot be applied at the same position. + */ + function getRuleActionExclusion(ruleAction) { + var mask = 0; + if (ruleAction & 1 /* RuleAction.StopProcessingSpaceActions */) { + mask |= 28 /* RuleAction.ModifySpaceAction */; + } + if (ruleAction & 2 /* RuleAction.StopProcessingTokenActions */) { + mask |= 96 /* RuleAction.ModifyTokenAction */; + } + if (ruleAction & 28 /* RuleAction.ModifySpaceAction */) { + mask |= 28 /* RuleAction.ModifySpaceAction */; + } + if (ruleAction & 96 /* RuleAction.ModifyTokenAction */) { + mask |= 96 /* RuleAction.ModifyTokenAction */; + } + return mask; + } + function createRulesMap(rules) { + var map = buildMap(rules); + return function (context) { + var bucket = map[getRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind)]; + if (bucket) { + var rules_1 = []; + var ruleActionMask = 0; + for (var _i = 0, bucket_1 = bucket; _i < bucket_1.length; _i++) { + var rule = bucket_1[_i]; + var acceptRuleActions = ~getRuleActionExclusion(ruleActionMask); + if (rule.action & acceptRuleActions && ts.every(rule.context, function (c) { return c(context); })) { + rules_1.push(rule); + ruleActionMask |= rule.action; + } + } + if (rules_1.length) { + return rules_1; + } + } + }; + } + function buildMap(rules) { + // Map from bucket index to array of rules + var map = new Array(mapRowLength * mapRowLength); + // This array is used only during construction of the rulesbucket in the map + var rulesBucketConstructionStateList = new Array(map.length); + for (var _i = 0, rules_2 = rules; _i < rules_2.length; _i++) { + var rule = rules_2[_i]; + var specificRule = rule.leftTokenRange.isSpecific && rule.rightTokenRange.isSpecific; + for (var _a = 0, _b = rule.leftTokenRange.tokens; _a < _b.length; _a++) { + var left = _b[_a]; + for (var _c = 0, _d = rule.rightTokenRange.tokens; _c < _d.length; _c++) { + var right = _d[_c]; + var index = getRuleBucketIndex(left, right); + var rulesBucket = map[index]; + if (rulesBucket === undefined) { + rulesBucket = map[index] = []; + } + addRule(rulesBucket, rule.rule, specificRule, rulesBucketConstructionStateList, index); + } + } + } + return map; + } + function getRuleBucketIndex(row, column) { + ts.Debug.assert(row <= 160 /* SyntaxKind.LastKeyword */ && column <= 160 /* SyntaxKind.LastKeyword */, "Must compute formatting context from tokens"); + return (row * mapRowLength) + column; + } + var maskBitSize = 5; + var mask = 31; // MaskBitSize bits + var mapRowLength = 160 /* SyntaxKind.LastToken */ + 1; + var RulesPosition; + (function (RulesPosition) { + RulesPosition[RulesPosition["StopRulesSpecific"] = 0] = "StopRulesSpecific"; + RulesPosition[RulesPosition["StopRulesAny"] = maskBitSize * 1] = "StopRulesAny"; + RulesPosition[RulesPosition["ContextRulesSpecific"] = maskBitSize * 2] = "ContextRulesSpecific"; + RulesPosition[RulesPosition["ContextRulesAny"] = maskBitSize * 3] = "ContextRulesAny"; + RulesPosition[RulesPosition["NoContextRulesSpecific"] = maskBitSize * 4] = "NoContextRulesSpecific"; + RulesPosition[RulesPosition["NoContextRulesAny"] = maskBitSize * 5] = "NoContextRulesAny"; + })(RulesPosition || (RulesPosition = {})); + // The Rules list contains all the inserted rules into a rulebucket in the following order: + // 1- Ignore rules with specific token combination + // 2- Ignore rules with any token combination + // 3- Context rules with specific token combination + // 4- Context rules with any token combination + // 5- Non-context rules with specific token combination + // 6- Non-context rules with any token combination + // + // The member rulesInsertionIndexBitmap is used to describe the number of rules + // in each sub-bucket (above) hence can be used to know the index of where to insert + // the next rule. It's a bitmap which contains 6 different sections each is given 5 bits. + // + // Example: + // In order to insert a rule to the end of sub-bucket (3), we get the index by adding + // the values in the bitmap segments 3rd, 2nd, and 1st. + function addRule(rules, rule, specificTokens, constructionState, rulesBucketIndex) { + var position = rule.action & 3 /* RuleAction.StopAction */ ? + specificTokens ? RulesPosition.StopRulesSpecific : RulesPosition.StopRulesAny : + rule.context !== formatting.anyContext ? + specificTokens ? RulesPosition.ContextRulesSpecific : RulesPosition.ContextRulesAny : + specificTokens ? RulesPosition.NoContextRulesSpecific : RulesPosition.NoContextRulesAny; + var state = constructionState[rulesBucketIndex] || 0; + rules.splice(getInsertionIndex(state, position), 0, rule); + constructionState[rulesBucketIndex] = increaseInsertionIndex(state, position); + } + function getInsertionIndex(indexBitmap, maskPosition) { + var index = 0; + for (var pos = 0; pos <= maskPosition; pos += maskBitSize) { + index += indexBitmap & mask; + indexBitmap >>= maskBitSize; + } + return index; + } + function increaseInsertionIndex(indexBitmap, maskPosition) { + var value = ((indexBitmap >> maskPosition) & mask) + 1; + ts.Debug.assert((value & mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); + return (indexBitmap & ~(mask << maskPosition)) | (value << maskPosition); + } + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + function createTextRangeWithKind(pos, end, kind) { + var textRangeWithKind = { pos: pos, end: end, kind: kind }; + if (ts.Debug.isDebugging) { + Object.defineProperty(textRangeWithKind, "__debugKind", { + get: function () { return ts.Debug.formatSyntaxKind(kind); }, + }); + } + return textRangeWithKind; + } + formatting.createTextRangeWithKind = createTextRangeWithKind; + var Constants; + (function (Constants) { + Constants[Constants["Unknown"] = -1] = "Unknown"; + })(Constants || (Constants = {})); + function formatOnEnter(position, sourceFile, formatContext) { + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + if (line === 0) { + return []; + } + // After the enter key, the cursor is now at a new line. The new line may or may not contain non-whitespace characters. + // If the new line has only whitespaces, we won't want to format this line, because that would remove the indentation as + // trailing whitespaces. So the end of the formatting span should be the later one between: + // 1. the end of the previous line + // 2. the last non-whitespace character in the current line + var endOfFormatSpan = ts.getEndLinePosition(line, sourceFile); + while (ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(endOfFormatSpan))) { + endOfFormatSpan--; + } + // if the character at the end of the span is a line break, we shouldn't include it, because it indicates we don't want to + // touch the current line at all. Also, on some OSes the line break consists of two characters (\r\n), we should test if the + // previous character before the end of format span is line break character as well. + if (ts.isLineBreak(sourceFile.text.charCodeAt(endOfFormatSpan))) { + endOfFormatSpan--; + } + var span = { + // get start position for the previous line + pos: ts.getStartPositionOfLine(line - 1, sourceFile), + // end value is exclusive so add 1 to the result + end: endOfFormatSpan + 1 + }; + return formatSpan(span, sourceFile, formatContext, 2 /* FormattingRequestKind.FormatOnEnter */); + } + formatting.formatOnEnter = formatOnEnter; + function formatOnSemicolon(position, sourceFile, formatContext) { + var semicolon = findImmediatelyPrecedingTokenOfKind(position, 26 /* SyntaxKind.SemicolonToken */, sourceFile); + return formatNodeLines(findOutermostNodeWithinListLevel(semicolon), sourceFile, formatContext, 3 /* FormattingRequestKind.FormatOnSemicolon */); + } + formatting.formatOnSemicolon = formatOnSemicolon; + function formatOnOpeningCurly(position, sourceFile, formatContext) { + var openingCurly = findImmediatelyPrecedingTokenOfKind(position, 18 /* SyntaxKind.OpenBraceToken */, sourceFile); + if (!openingCurly) { + return []; + } + var curlyBraceRange = openingCurly.parent; + var outermostNode = findOutermostNodeWithinListLevel(curlyBraceRange); + /** + * We limit the span to end at the opening curly to handle the case where + * the brace matched to that just typed will be incorrect after further edits. + * For example, we could type the opening curly for the following method + * body without brace-matching activated: + * ``` + * class C { + * foo() + * } + * ``` + * and we wouldn't want to move the closing brace. + */ + var textRange = { + pos: ts.getLineStartPositionForPosition(outermostNode.getStart(sourceFile), sourceFile), + end: position + }; + return formatSpan(textRange, sourceFile, formatContext, 4 /* FormattingRequestKind.FormatOnOpeningCurlyBrace */); + } + formatting.formatOnOpeningCurly = formatOnOpeningCurly; + function formatOnClosingCurly(position, sourceFile, formatContext) { + var precedingToken = findImmediatelyPrecedingTokenOfKind(position, 19 /* SyntaxKind.CloseBraceToken */, sourceFile); + return formatNodeLines(findOutermostNodeWithinListLevel(precedingToken), sourceFile, formatContext, 5 /* FormattingRequestKind.FormatOnClosingCurlyBrace */); + } + formatting.formatOnClosingCurly = formatOnClosingCurly; + function formatDocument(sourceFile, formatContext) { + var span = { + pos: 0, + end: sourceFile.text.length + }; + return formatSpan(span, sourceFile, formatContext, 0 /* FormattingRequestKind.FormatDocument */); + } + formatting.formatDocument = formatDocument; + function formatSelection(start, end, sourceFile, formatContext) { + // format from the beginning of the line + var span = { + pos: ts.getLineStartPositionForPosition(start, sourceFile), + end: end, + }; + return formatSpan(span, sourceFile, formatContext, 1 /* FormattingRequestKind.FormatSelection */); + } + formatting.formatSelection = formatSelection; + /** + * Validating `expectedTokenKind` ensures the token was typed in the context we expect (eg: not a comment). + * @param expectedTokenKind The kind of the last token constituting the desired parent node. + */ + function findImmediatelyPrecedingTokenOfKind(end, expectedTokenKind, sourceFile) { + var precedingToken = ts.findPrecedingToken(end, sourceFile); + return precedingToken && precedingToken.kind === expectedTokenKind && end === precedingToken.getEnd() ? + precedingToken : + undefined; + } + /** + * Finds the highest node enclosing `node` at the same list level as `node` + * and whose end does not exceed `node.end`. + * + * Consider typing the following + * ``` + * let x = 1; + * while (true) { + * } + * ``` + * Upon typing the closing curly, we want to format the entire `while`-statement, but not the preceding + * variable declaration. + */ + function findOutermostNodeWithinListLevel(node) { + var current = node; + while (current && + current.parent && + current.parent.end === node.end && + !isListElement(current.parent, current)) { + current = current.parent; + } + return current; + } + // Returns true if node is a element in some list in parent + // i.e. parent is class declaration with the list of members and node is one of members. + function isListElement(parent, node) { + switch (parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + return ts.rangeContainsRange(parent.members, node); + case 261 /* SyntaxKind.ModuleDeclaration */: + var body = parent.body; + return !!body && body.kind === 262 /* SyntaxKind.ModuleBlock */ && ts.rangeContainsRange(body.statements, node); + case 305 /* SyntaxKind.SourceFile */: + case 235 /* SyntaxKind.Block */: + case 262 /* SyntaxKind.ModuleBlock */: + return ts.rangeContainsRange(parent.statements, node); + case 292 /* SyntaxKind.CatchClause */: + return ts.rangeContainsRange(parent.block.statements, node); + } + return false; + } + /** find node that fully contains given text range */ + function findEnclosingNode(range, sourceFile) { + return find(sourceFile); + function find(n) { + var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); + if (candidate) { + var result = find(candidate); + if (result) { + return result; + } + } + return n; + } + } + /** formatting is not applied to ranges that contain parse errors. + * This function will return a predicate that for a given text range will tell + * if there are any parse errors that overlap with the range. + */ + function prepareRangeContainsErrorFunction(errors, originalRange) { + if (!errors.length) { + return rangeHasNoErrors; + } + // pick only errors that fall in range + var sorted = errors + .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) // TODO: GH#18217 + .sort(function (e1, e2) { return e1.start - e2.start; }); + if (!sorted.length) { + return rangeHasNoErrors; + } + var index = 0; + return function (r) { + // in current implementation sequence of arguments [r1, r2...] is monotonically increasing. + // 'index' tracks the index of the most recent error that was checked. + while (true) { + if (index >= sorted.length) { + // all errors in the range were already checked -> no error in specified range + return false; + } + var error = sorted[index]; + if (r.end <= error.start) { + // specified range ends before the error referred by 'index' - no error in range + return false; + } + if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + // specified range overlaps with error range + return true; + } + index++; + } + }; + function rangeHasNoErrors() { + return false; + } + } + /** + * Start of the original range might fall inside the comment - scanner will not yield appropriate results + * This function will look for token that is located before the start of target range + * and return its end as start position for the scanner. + */ + function getScanStartPosition(enclosingNode, originalRange, sourceFile) { + var start = enclosingNode.getStart(sourceFile); + if (start === originalRange.pos && enclosingNode.end === originalRange.end) { + return start; + } + var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); + if (!precedingToken) { + // no preceding token found - start from the beginning of enclosing node + return enclosingNode.pos; + } + // preceding token ends after the start of original range (i.e when originalRange.pos falls in the middle of literal) + // start from the beginning of enclosingNode to handle the entire 'originalRange' + if (precedingToken.end >= originalRange.pos) { + return enclosingNode.pos; + } + return precedingToken.end; + } + /* + * For cases like + * if (a || + * b ||$ + * c) {...} + * If we hit Enter at $ we want line ' b ||' to be indented. + * Formatting will be applied to the last two lines. + * Node that fully encloses these lines is binary expression 'a ||...'. + * Initial indentation for this node will be 0. + * Binary expressions don't introduce new indentation scopes, however it is possible + * that some parent node on the same line does - like if statement in this case. + * Note that we are considering parents only from the same line with initial node - + * if parent is on the different line - its delta was already contributed + * to the initial indentation. + */ + function getOwnOrInheritedDelta(n, options, sourceFile) { + var previousLine = -1 /* Constants.Unknown */; + var child; + while (n) { + var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; + if (previousLine !== -1 /* Constants.Unknown */ && line !== previousLine) { + break; + } + if (formatting.SmartIndenter.shouldIndentChildNode(options, n, child, sourceFile)) { + return options.indentSize; + } + previousLine = line; + child = n; + n = n.parent; + } + return 0; + } + function formatNodeGivenIndentation(node, sourceFileLike, languageVariant, initialIndentation, delta, formatContext) { + var range = { pos: node.pos, end: node.end }; + return formatting.getFormattingScanner(sourceFileLike.text, languageVariant, range.pos, range.end, function (scanner) { return formatSpanWorker(range, node, initialIndentation, delta, scanner, formatContext, 1 /* FormattingRequestKind.FormatSelection */, function (_) { return false; }, // assume that node does not have any errors + sourceFileLike); }); + } + formatting.formatNodeGivenIndentation = formatNodeGivenIndentation; + function formatNodeLines(node, sourceFile, formatContext, requestKind) { + if (!node) { + return []; + } + var span = { + pos: ts.getLineStartPositionForPosition(node.getStart(sourceFile), sourceFile), + end: node.end + }; + return formatSpan(span, sourceFile, formatContext, requestKind); + } + function formatSpan(originalRange, sourceFile, formatContext, requestKind) { + // find the smallest node that fully wraps the range and compute the initial indentation for the node + var enclosingNode = findEnclosingNode(originalRange, sourceFile); + return formatting.getFormattingScanner(sourceFile.text, sourceFile.languageVariant, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end, function (scanner) { return formatSpanWorker(originalRange, enclosingNode, formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, formatContext.options), getOwnOrInheritedDelta(enclosingNode, formatContext.options, sourceFile), scanner, formatContext, requestKind, prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange), sourceFile); }); + } + function formatSpanWorker(originalRange, enclosingNode, initialIndentation, delta, formattingScanner, _a, requestKind, rangeContainsError, sourceFile) { + var _b; + var options = _a.options, getRules = _a.getRules, host = _a.host; + // formatting context is used by rules provider + var formattingContext = new formatting.FormattingContext(sourceFile, requestKind, options); + var previousRange; + var previousParent; + var previousRangeStartLine; + var lastIndentedLine; + var indentationOnLastIndentedLine = -1 /* Constants.Unknown */; + var edits = []; + formattingScanner.advance(); + if (formattingScanner.isOnToken()) { + var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; + var undecoratedStartLine = startLine; + if (enclosingNode.decorators) { + undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; + } + processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); + } + if (!formattingScanner.isOnToken()) { + var indentation = formatting.SmartIndenter.nodeWillIndentChild(options, enclosingNode, /*child*/ undefined, sourceFile, /*indentByDefault*/ false) + ? initialIndentation + options.indentSize + : initialIndentation; + var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); + if (leadingTrivia) { + indentTriviaItems(leadingTrivia, indentation, /*indentNextTokenOrTrivia*/ false, function (item) { return processRange(item, sourceFile.getLineAndCharacterOfPosition(item.pos), enclosingNode, enclosingNode, /*dynamicIndentation*/ undefined); }); + if (options.trimTrailingWhitespace !== false) { + trimTrailingWhitespacesForRemainingRange(leadingTrivia); + } + } + } + if (previousRange && formattingScanner.getStartPos() >= originalRange.end) { + var tokenInfo = formattingScanner.isOnEOF() ? formattingScanner.readEOFTokenRange() : + formattingScanner.isOnToken() ? formattingScanner.readTokenInfo(enclosingNode).token : + undefined; + if (tokenInfo) { + var parent = ((_b = ts.findPrecedingToken(tokenInfo.end, sourceFile, enclosingNode)) === null || _b === void 0 ? void 0 : _b.parent) || previousParent; + processPair(tokenInfo, sourceFile.getLineAndCharacterOfPosition(tokenInfo.pos).line, parent, previousRange, previousRangeStartLine, previousParent, parent, + /*dynamicIndentation*/ undefined); + } + } + return edits; + // local functions + /** Tries to compute the indentation for a list element. + * If list element is not in range then + * function will pick its actual indentation + * so it can be pushed downstream as inherited indentation. + * If list element is in the range - its indentation will be equal + * to inherited indentation from its predecessors. + */ + function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { + if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || + ts.rangeContainsStartEnd(range, startPos, endPos) /* Not to miss zero-range nodes e.g. JsxText */) { + if (inheritedIndentation !== -1 /* Constants.Unknown */) { + return inheritedIndentation; + } + } + else { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); + var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); + if (startLine !== parentStartLine || startPos === column) { + // Use the base indent size if it is greater than + // the indentation of the inherited predecessor. + var baseIndentSize = formatting.SmartIndenter.getBaseIndentation(options); + return baseIndentSize > column ? baseIndentSize : column; + } + } + return -1 /* Constants.Unknown */; + } + function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { + var delta = formatting.SmartIndenter.shouldIndentChildNode(options, node) ? options.indentSize : 0; + if (effectiveParentStartLine === startLine) { + // if node is located on the same line with the parent + // - inherit indentation from the parent + // - push children if either parent of node itself has non-zero delta + return { + indentation: startLine === lastIndentedLine ? indentationOnLastIndentedLine : parentDynamicIndentation.getIndentation(), + delta: Math.min(options.indentSize, parentDynamicIndentation.getDelta(node) + delta) + }; + } + else if (inheritedIndentation === -1 /* Constants.Unknown */) { + if (node.kind === 20 /* SyntaxKind.OpenParenToken */ && startLine === lastIndentedLine) { + // the is used for chaining methods formatting + // - we need to get the indentation on last line and the delta of parent + return { indentation: indentationOnLastIndentedLine, delta: parentDynamicIndentation.getDelta(node) }; + } + else if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile) || + formatting.SmartIndenter.childIsUnindentedBranchOfConditionalExpression(parent, node, startLine, sourceFile) || + formatting.SmartIndenter.argumentStartsOnSameLineAsPreviousArgument(parent, node, startLine, sourceFile)) { + return { indentation: parentDynamicIndentation.getIndentation(), delta: delta }; + } + else { + return { indentation: parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node), delta: delta }; + } + } + else { + return { indentation: inheritedIndentation, delta: delta }; + } + } + function getFirstNonDecoratorTokenOfNode(node) { + if (node.modifiers && node.modifiers.length) { + return node.modifiers[0].kind; + } + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: return 84 /* SyntaxKind.ClassKeyword */; + case 258 /* SyntaxKind.InterfaceDeclaration */: return 118 /* SyntaxKind.InterfaceKeyword */; + case 256 /* SyntaxKind.FunctionDeclaration */: return 98 /* SyntaxKind.FunctionKeyword */; + case 260 /* SyntaxKind.EnumDeclaration */: return 260 /* SyntaxKind.EnumDeclaration */; + case 172 /* SyntaxKind.GetAccessor */: return 136 /* SyntaxKind.GetKeyword */; + case 173 /* SyntaxKind.SetAccessor */: return 149 /* SyntaxKind.SetKeyword */; + case 169 /* SyntaxKind.MethodDeclaration */: + if (node.asteriskToken) { + return 41 /* SyntaxKind.AsteriskToken */; + } + // falls through + case 167 /* SyntaxKind.PropertyDeclaration */: + case 164 /* SyntaxKind.Parameter */: + var name = ts.getNameOfDeclaration(node); + if (name) { + return name.kind; + } + } + } + function getDynamicIndentation(node, nodeStartLine, indentation, delta) { + return { + getIndentationForComment: function (kind, tokenIndentation, container) { + switch (kind) { + // preceding comment to the token that closes the indentation scope inherits the indentation from the scope + // .. { + // // comment + // } + case 19 /* SyntaxKind.CloseBraceToken */: + case 23 /* SyntaxKind.CloseBracketToken */: + case 21 /* SyntaxKind.CloseParenToken */: + return indentation + getDelta(container); + } + return tokenIndentation !== -1 /* Constants.Unknown */ ? tokenIndentation : indentation; + }, + // if list end token is LessThanToken '>' then its delta should be explicitly suppressed + // so that LessThanToken as a binary operator can still be indented. + // foo.then + // < + // number, + // string, + // >(); + // vs + // var a = xValue + // > yValue; + getIndentationForToken: function (line, kind, container, suppressDelta) { + return !suppressDelta && shouldAddDelta(line, kind, container) ? indentation + getDelta(container) : indentation; + }, + getIndentation: function () { return indentation; }, + getDelta: getDelta, + recomputeIndentation: function (lineAdded, parent) { + if (formatting.SmartIndenter.shouldIndentChildNode(options, parent, node, sourceFile)) { + indentation += lineAdded ? options.indentSize : -options.indentSize; + delta = formatting.SmartIndenter.shouldIndentChildNode(options, node) ? options.indentSize : 0; + } + } + }; + function shouldAddDelta(line, kind, container) { + switch (kind) { + // open and close brace, 'else' and 'while' (in do statement) tokens has indentation of the parent + case 18 /* SyntaxKind.OpenBraceToken */: + case 19 /* SyntaxKind.CloseBraceToken */: + case 21 /* SyntaxKind.CloseParenToken */: + case 91 /* SyntaxKind.ElseKeyword */: + case 115 /* SyntaxKind.WhileKeyword */: + case 59 /* SyntaxKind.AtToken */: + return false; + case 43 /* SyntaxKind.SlashToken */: + case 31 /* SyntaxKind.GreaterThanToken */: + switch (container.kind) { + case 280 /* SyntaxKind.JsxOpeningElement */: + case 281 /* SyntaxKind.JsxClosingElement */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 228 /* SyntaxKind.ExpressionWithTypeArguments */: + return false; + } + break; + case 22 /* SyntaxKind.OpenBracketToken */: + case 23 /* SyntaxKind.CloseBracketToken */: + if (container.kind !== 195 /* SyntaxKind.MappedType */) { + return false; + } + break; + } + // if token line equals to the line of containing node (this is a first token in the node) - use node indentation + return nodeStartLine !== line + // if this token is the first token following the list of decorators, we do not need to indent + && !(node.decorators && kind === getFirstNonDecoratorTokenOfNode(node)); + } + function getDelta(child) { + // Delta value should be zero when the node explicitly prevents indentation of the child node + return formatting.SmartIndenter.nodeWillIndentChild(options, node, child, sourceFile, /*indentByDefault*/ true) ? delta : 0; + } + } + function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { + if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { + return; + } + var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); + // a useful observations when tracking context node + // / + // [a] + // / | \ + // [b] [c] [d] + // node 'a' is a context node for nodes 'b', 'c', 'd' + // except for the leftmost leaf token in [b] - in this case context node ('e') is located somewhere above 'a' + // this rule can be applied recursively to child nodes of 'a'. + // + // context node is set to parent node value after processing every child node + // context node is set to parent of the token after processing every token + var childContextNode = contextNode; + // if there are any tokens that logically belong to node and interleave child nodes + // such tokens will be consumed in processChildNode for the child that follows them + ts.forEachChild(node, function (child) { + processChildNode(child, /*inheritedIndentation*/ -1 /* Constants.Unknown */, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, /*isListItem*/ false); + }, function (nodes) { + processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); + }); + // proceed any tokens in the node that are located after child nodes + while (formattingScanner.isOnToken() && formattingScanner.getStartPos() < originalRange.end) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > Math.min(node.end, originalRange.end)) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation, node); + } + function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem, isFirstListItem) { + if (ts.nodeIsMissing(child)) { + return inheritedIndentation; + } + var childStartPos = child.getStart(sourceFile); + var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; + var undecoratedChildStartLine = childStartLine; + if (child.decorators) { + undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; + } + // if child is a list item - try to get its indentation, only if parent is within the original range. + var childIndentationAmount = -1 /* Constants.Unknown */; + if (isListItem && ts.rangeContainsRange(originalRange, parent)) { + childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); + if (childIndentationAmount !== -1 /* Constants.Unknown */) { + inheritedIndentation = childIndentationAmount; + } + } + // child node is outside the target range - do not dive inside + if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { + if (child.end < originalRange.pos) { + formattingScanner.skipToEndOf(child); + } + return inheritedIndentation; + } + if (child.getFullWidth() === 0) { + return inheritedIndentation; + } + while (formattingScanner.isOnToken() && formattingScanner.getStartPos() < originalRange.end) { + // proceed any parent tokens that are located prior to child.getStart() + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > originalRange.end) { + return inheritedIndentation; + } + if (tokenInfo.token.end > childStartPos) { + if (tokenInfo.token.pos > childStartPos) { + formattingScanner.skipToStartOf(child); + } + // stop when formatting scanner advances past the beginning of the child + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, node); + } + if (!formattingScanner.isOnToken() || formattingScanner.getStartPos() >= originalRange.end) { + return inheritedIndentation; + } + if (ts.isToken(child)) { + // if child node is a token, it does not impact indentation, proceed it using parent indentation scope rules + var tokenInfo = formattingScanner.readTokenInfo(child); + // JSX text shouldn't affect indenting + if (child.kind !== 11 /* SyntaxKind.JsxText */) { + ts.Debug.assert(tokenInfo.token.end === child.end, "Token end is child end"); + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); + return inheritedIndentation; + } + } + var effectiveParentStartLine = child.kind === 165 /* SyntaxKind.Decorator */ ? childStartLine : undecoratedParentStartLine; + var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); + processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); + childContextNode = node; + if (isFirstListItem && parent.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ && inheritedIndentation === -1 /* Constants.Unknown */) { + inheritedIndentation = childIndentation.indentation; + } + return inheritedIndentation; + } + function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { + ts.Debug.assert(ts.isNodeArray(nodes)); + var listStartToken = getOpenTokenForList(parent, nodes); + var listDynamicIndentation = parentDynamicIndentation; + var startLine = parentStartLine; + // node range is outside the target range - do not dive inside + if (!ts.rangeOverlapsWithStartEnd(originalRange, nodes.pos, nodes.end)) { + if (nodes.end < originalRange.pos) { + formattingScanner.skipToEndOf(nodes); + } + return; + } + if (listStartToken !== 0 /* SyntaxKind.Unknown */) { + // introduce a new indentation scope for lists (including list start and end tokens) + while (formattingScanner.isOnToken() && formattingScanner.getStartPos() < originalRange.end) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.end > nodes.pos) { + // stop when formatting scanner moves past the beginning of node list + break; + } + else if (tokenInfo.token.kind === listStartToken) { + // consume list start token + startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation, parent); + var indentationOnListStartToken = void 0; + if (indentationOnLastIndentedLine !== -1 /* Constants.Unknown */) { + // scanner just processed list start token so consider last indentation as list indentation + // function foo(): { // last indentation was 0, list item will be indented based on this value + // foo: number; + // }: {}; + indentationOnListStartToken = indentationOnLastIndentedLine; + } + else { + var startLinePosition = ts.getLineStartPositionForPosition(tokenInfo.token.pos, sourceFile); + indentationOnListStartToken = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, tokenInfo.token.pos, sourceFile, options); + } + listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentationOnListStartToken, options.indentSize); // TODO: GH#18217 + } + else { + // consume any tokens that precede the list as child elements of 'node' using its indentation scope + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation, parent); + } + } + } + var inheritedIndentation = -1 /* Constants.Unknown */; + for (var i = 0; i < nodes.length; i++) { + var child = nodes[i]; + inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, /*isListItem*/ true, /*isFirstListItem*/ i === 0); + } + var listEndToken = getCloseTokenForOpenToken(listStartToken); + if (listEndToken !== 0 /* SyntaxKind.Unknown */ && formattingScanner.isOnToken() && formattingScanner.getStartPos() < originalRange.end) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.kind === 27 /* SyntaxKind.CommaToken */ && ts.isCallLikeExpression(parent)) { + var commaTokenLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + if (startLine !== commaTokenLine) { + formattingScanner.advance(); + tokenInfo = formattingScanner.isOnToken() ? formattingScanner.readTokenInfo(parent) : undefined; + } + } + // consume the list end token only if it is still belong to the parent + // there might be the case when current token matches end token but does not considered as one + // function (x: function) <-- + // without this check close paren will be interpreted as list end token for function expression which is wrong + if (tokenInfo && tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { + // consume list end token + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation, parent, /*isListEndToken*/ true); + } + } + } + function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container, isListEndToken) { + ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); + var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); + var indentToken = false; + if (currentTokenInfo.leadingTrivia) { + processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); + } + var lineAction = 0 /* LineAction.None */; + var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); + var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); + if (isTokenInRange) { + var rangeHasError = rangeContainsError(currentTokenInfo.token); + // save previousRange since processRange will overwrite this value with current one + var savePreviousRange = previousRange; + lineAction = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); + // do not indent comments\token if token range overlaps with some error + if (!rangeHasError) { + if (lineAction === 0 /* LineAction.None */) { + // indent token only if end line of previous range does not match start line of the token + var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; + indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; + } + else { + indentToken = lineAction === 1 /* LineAction.LineAdded */; + } + } + } + if (currentTokenInfo.trailingTrivia) { + processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); + } + if (indentToken) { + var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? + dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container, !!isListEndToken) : + -1 /* Constants.Unknown */; + var indentNextTokenOrTrivia = true; + if (currentTokenInfo.leadingTrivia) { + var commentIndentation_1 = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); + indentNextTokenOrTrivia = indentTriviaItems(currentTokenInfo.leadingTrivia, commentIndentation_1, indentNextTokenOrTrivia, function (item) { return insertIndentation(item.pos, commentIndentation_1, /*lineAdded*/ false); }); + } + // indent token only if is it is in target range and does not overlap with any error ranges + if (tokenIndentation !== -1 /* Constants.Unknown */ && indentNextTokenOrTrivia) { + insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAction === 1 /* LineAction.LineAdded */); + lastIndentedLine = tokenStart.line; + indentationOnLastIndentedLine = tokenIndentation; + } + } + formattingScanner.advance(); + childContextNode = parent; + } + } + function indentTriviaItems(trivia, commentIndentation, indentNextTokenOrTrivia, indentSingleLine) { + for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { + var triviaItem = trivia_1[_i]; + var triviaInRange = ts.rangeContainsRange(originalRange, triviaItem); + switch (triviaItem.kind) { + case 3 /* SyntaxKind.MultiLineCommentTrivia */: + if (triviaInRange) { + indentMultilineComment(triviaItem, commentIndentation, /*firstLineIsIndented*/ !indentNextTokenOrTrivia); + } + indentNextTokenOrTrivia = false; + break; + case 2 /* SyntaxKind.SingleLineCommentTrivia */: + if (indentNextTokenOrTrivia && triviaInRange) { + indentSingleLine(triviaItem); + } + indentNextTokenOrTrivia = false; + break; + case 4 /* SyntaxKind.NewLineTrivia */: + indentNextTokenOrTrivia = true; + break; + } + } + return indentNextTokenOrTrivia; + } + function processTrivia(trivia, parent, contextNode, dynamicIndentation) { + for (var _i = 0, trivia_2 = trivia; _i < trivia_2.length; _i++) { + var triviaItem = trivia_2[_i]; + if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { + var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); + processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); + } + } + } + function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { + var rangeHasError = rangeContainsError(range); + var lineAction = 0 /* LineAction.None */; + if (!rangeHasError) { + if (!previousRange) { + // trim whitespaces starting from the beginning of the span up to the current line + var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); + trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); + } + else { + lineAction = + processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); + } + } + previousRange = range; + previousParent = parent; + previousRangeStartLine = rangeStart.line; + return lineAction; + } + function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { + formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); + var rules = getRules(formattingContext); + var trimTrailingWhitespaces = formattingContext.options.trimTrailingWhitespace !== false; + var lineAction = 0 /* LineAction.None */; + if (rules) { + // Apply rules in reverse order so that higher priority rules (which are first in the array) + // win in a conflict with lower priority rules. + ts.forEachRight(rules, function (rule) { + lineAction = applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); + if (dynamicIndentation) { + switch (lineAction) { + case 2 /* LineAction.LineRemoved */: + // Handle the case where the next line is moved to be the end of this line. + // In this case we don't indent the next line in the next pass. + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(/*lineAddedByFormatting*/ false, contextNode); + } + break; + case 1 /* LineAction.LineAdded */: + // Handle the case where token2 is moved to the new line. + // In this case we indent token2 in the next pass but we set + // sameLineIndent flag to notify the indenter that the indentation is within the line. + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(/*lineAddedByFormatting*/ true, contextNode); + } + break; + default: + ts.Debug.assert(lineAction === 0 /* LineAction.None */); + } + } + // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line + trimTrailingWhitespaces = trimTrailingWhitespaces && !(rule.action & 16 /* RuleAction.DeleteSpace */) && rule.flags !== 1 /* RuleFlags.CanDeleteNewLines */; + }); + } + else { + trimTrailingWhitespaces = trimTrailingWhitespaces && currentItem.kind !== 1 /* SyntaxKind.EndOfFileToken */; + } + if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { + // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line + trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + } + return lineAction; + } + function insertIndentation(pos, indentation, lineAdded) { + var indentationString = getIndentationString(indentation, options); + if (lineAdded) { + // new line is added before the token by the formatting rules + // insert indentation string at the very beginning of the token + recordReplace(pos, 0, indentationString); + } + else { + var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); + var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); + if (indentation !== characterToColumn(startLinePosition, tokenStart.character) || indentationIsDifferent(indentationString, startLinePosition)) { + recordReplace(startLinePosition, tokenStart.character, indentationString); + } + } + } + function characterToColumn(startLinePosition, characterInLine) { + var column = 0; + for (var i = 0; i < characterInLine; i++) { + if (sourceFile.text.charCodeAt(startLinePosition + i) === 9 /* CharacterCodes.tab */) { + column += options.tabSize - column % options.tabSize; + } + else { + column++; + } + } + return column; + } + function indentationIsDifferent(indentationString, startLinePosition) { + return indentationString !== sourceFile.text.substr(startLinePosition, indentationString.length); + } + function indentMultilineComment(commentRange, indentation, firstLineIsIndented, indentFinalLine) { + if (indentFinalLine === void 0) { indentFinalLine = true; } + // split comment in lines + var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; + if (startLine === endLine) { + if (!firstLineIsIndented) { + // treat as single line comment + insertIndentation(commentRange.pos, indentation, /*lineAdded*/ false); + } + return; + } + var parts = []; + var startPos = commentRange.pos; + for (var line = startLine; line < endLine; line++) { + var endOfLine = ts.getEndLinePosition(line, sourceFile); + parts.push({ pos: startPos, end: endOfLine }); + startPos = ts.getStartPositionOfLine(line + 1, sourceFile); + } + if (indentFinalLine) { + parts.push({ pos: startPos, end: commentRange.end }); + } + if (parts.length === 0) + return; + var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); + var startIndex = 0; + if (firstLineIsIndented) { + startIndex = 1; + startLine++; + } + // shift all parts on the delta size + var delta = indentation - nonWhitespaceColumnInFirstPart.column; + for (var i = startIndex; i < parts.length; i++, startLine++) { + var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceCharacterAndColumn = i === 0 + ? nonWhitespaceColumnInFirstPart + : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); + var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; + if (newIndentation > 0) { + var indentationString = getIndentationString(newIndentation, options); + recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); + } + else { + recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); + } + } + } + function trimTrailingWhitespacesForLines(line1, line2, range) { + for (var line = line1; line < line2; line++) { + var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); + var lineEndPosition = ts.getEndLinePosition(line, sourceFile); + // do not trim whitespaces in comments or template expression + if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { + continue; + } + var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); + if (whitespaceStart !== -1) { + ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(whitespaceStart - 1))); + recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + } + } + } + /** + * @param start The position of the first character in range + * @param end The position of the last character in range + */ + function getTrailingWhitespaceStartPosition(start, end) { + var pos = end; + while (pos >= start && ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(pos))) { + pos--; + } + if (pos !== end) { + return pos + 1; + } + return -1; + } + /** + * Trimming will be done for lines after the previous range. + * Exclude comments as they had been previously processed. + */ + function trimTrailingWhitespacesForRemainingRange(trivias) { + var startPos = previousRange ? previousRange.end : originalRange.pos; + for (var _i = 0, trivias_1 = trivias; _i < trivias_1.length; _i++) { + var trivia = trivias_1[_i]; + if (ts.isComment(trivia.kind)) { + if (startPos < trivia.pos) { + trimTrailingWitespacesForPositions(startPos, trivia.pos - 1, previousRange); + } + startPos = trivia.end + 1; + } + } + if (startPos < originalRange.end) { + trimTrailingWitespacesForPositions(startPos, originalRange.end, previousRange); + } + } + function trimTrailingWitespacesForPositions(startPos, endPos, previousRange) { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(endPos).line; + trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); + } + function recordDelete(start, len) { + if (len) { + edits.push(ts.createTextChangeFromStartLength(start, len, "")); + } + } + function recordReplace(start, len, newText) { + if (len || newText) { + edits.push(ts.createTextChangeFromStartLength(start, len, newText)); + } + } + function recordInsert(start, text) { + if (text) { + edits.push(ts.createTextChangeFromStartLength(start, 0, text)); + } + } + function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { + var onLaterLine = currentStartLine !== previousStartLine; + switch (rule.action) { + case 1 /* RuleAction.StopProcessingSpaceActions */: + // no action required + return 0 /* LineAction.None */; + case 16 /* RuleAction.DeleteSpace */: + if (previousRange.end !== currentRange.pos) { + // delete characters starting from t1.end up to t2.pos exclusive + recordDelete(previousRange.end, currentRange.pos - previousRange.end); + return onLaterLine ? 2 /* LineAction.LineRemoved */ : 0 /* LineAction.None */; + } + break; + case 32 /* RuleAction.DeleteToken */: + recordDelete(previousRange.pos, previousRange.end - previousRange.pos); + break; + case 8 /* RuleAction.InsertNewLine */: + // exit early if we on different lines and rule cannot change number of newlines + // if line1 and line2 are on subsequent lines then no edits are required - ok to exit + // if line1 and line2 are separated with more than one newline - ok to exit since we cannot delete extra new lines + if (rule.flags !== 1 /* RuleFlags.CanDeleteNewLines */ && previousStartLine !== currentStartLine) { + return 0 /* LineAction.None */; + } + // edit should not be applied if we have one line feed between elements + var lineDelta = currentStartLine - previousStartLine; + if (lineDelta !== 1) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, ts.getNewLineOrDefaultFromHost(host, options)); + return onLaterLine ? 0 /* LineAction.None */ : 1 /* LineAction.LineAdded */; + } + break; + case 4 /* RuleAction.InsertSpace */: + // exit early if we on different lines and rule cannot change number of newlines + if (rule.flags !== 1 /* RuleFlags.CanDeleteNewLines */ && previousStartLine !== currentStartLine) { + return 0 /* LineAction.None */; + } + var posDelta = currentRange.pos - previousRange.end; + if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32 /* CharacterCodes.space */) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); + return onLaterLine ? 2 /* LineAction.LineRemoved */ : 0 /* LineAction.None */; + } + break; + case 64 /* RuleAction.InsertTrailingSemicolon */: + recordInsert(previousRange.end, ";"); + } + return 0 /* LineAction.None */; + } + } + var LineAction; + (function (LineAction) { + LineAction[LineAction["None"] = 0] = "None"; + LineAction[LineAction["LineAdded"] = 1] = "LineAdded"; + LineAction[LineAction["LineRemoved"] = 2] = "LineRemoved"; + })(LineAction || (LineAction = {})); + /** + * @param precedingToken pass `null` if preceding token was already computed and result was `undefined`. + */ + function getRangeOfEnclosingComment(sourceFile, position, precedingToken, tokenAtPosition) { + if (tokenAtPosition === void 0) { tokenAtPosition = ts.getTokenAtPosition(sourceFile, position); } + var jsdoc = ts.findAncestor(tokenAtPosition, ts.isJSDoc); + if (jsdoc) + tokenAtPosition = jsdoc.parent; + var tokenStart = tokenAtPosition.getStart(sourceFile); + if (tokenStart <= position && position < tokenAtPosition.getEnd()) { + return undefined; + } + // eslint-disable-next-line no-null/no-null + precedingToken = precedingToken === null ? undefined : precedingToken === undefined ? ts.findPrecedingToken(position, sourceFile) : precedingToken; + // Between two consecutive tokens, all comments are either trailing on the former + // or leading on the latter (and none are in both lists). + var trailingRangesOfPreviousToken = precedingToken && ts.getTrailingCommentRanges(sourceFile.text, precedingToken.end); + var leadingCommentRangesOfNextToken = ts.getLeadingCommentRangesOfNode(tokenAtPosition, sourceFile); + var commentRanges = ts.concatenate(trailingRangesOfPreviousToken, leadingCommentRangesOfNextToken); + return commentRanges && ts.find(commentRanges, function (range) { return ts.rangeContainsPositionExclusive(range, position) || + // The end marker of a single-line comment does not include the newline character. + // With caret at `^`, in the following case, we are inside a comment (^ denotes the cursor position): + // + // // asdf ^\n + // + // But for closed multi-line comments, we don't want to be inside the comment in the following case: + // + // /* asdf */^ + // + // However, unterminated multi-line comments *do* contain their end. + // + // Internally, we represent the end of the comment at the newline and closing '/', respectively. + // + position === range.end && (range.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */ || position === sourceFile.getFullWidth()); }); + } + formatting.getRangeOfEnclosingComment = getRangeOfEnclosingComment; + function getOpenTokenForList(node, list) { + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 214 /* SyntaxKind.ArrowFunction */: + if (node.typeParameters === list) { + return 29 /* SyntaxKind.LessThanToken */; + } + else if (node.parameters === list) { + return 20 /* SyntaxKind.OpenParenToken */; + } + break; + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + if (node.typeArguments === list) { + return 29 /* SyntaxKind.LessThanToken */; + } + else if (node.arguments === list) { + return 20 /* SyntaxKind.OpenParenToken */; + } + break; + case 178 /* SyntaxKind.TypeReference */: + if (node.typeArguments === list) { + return 29 /* SyntaxKind.LessThanToken */; + } + break; + case 182 /* SyntaxKind.TypeLiteral */: + return 18 /* SyntaxKind.OpenBraceToken */; + } + return 0 /* SyntaxKind.Unknown */; + } + function getCloseTokenForOpenToken(kind) { + switch (kind) { + case 20 /* SyntaxKind.OpenParenToken */: + return 21 /* SyntaxKind.CloseParenToken */; + case 29 /* SyntaxKind.LessThanToken */: + return 31 /* SyntaxKind.GreaterThanToken */; + case 18 /* SyntaxKind.OpenBraceToken */: + return 19 /* SyntaxKind.CloseBraceToken */; + } + return 0 /* SyntaxKind.Unknown */; + } + var internedSizes; + var internedTabsIndentation; + var internedSpacesIndentation; + function getIndentationString(indentation, options) { + // reset interned strings if FormatCodeOptions were changed + var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.tabSize || internedSizes.indentSize !== options.indentSize); + if (resetInternedStrings) { + internedSizes = { tabSize: options.tabSize, indentSize: options.indentSize }; + internedTabsIndentation = internedSpacesIndentation = undefined; + } + if (!options.convertTabsToSpaces) { + var tabs = Math.floor(indentation / options.tabSize); + var spaces = indentation - tabs * options.tabSize; + var tabString = void 0; + if (!internedTabsIndentation) { + internedTabsIndentation = []; + } + if (internedTabsIndentation[tabs] === undefined) { + internedTabsIndentation[tabs] = tabString = ts.repeatString("\t", tabs); + } + else { + tabString = internedTabsIndentation[tabs]; + } + return spaces ? tabString + ts.repeatString(" ", spaces) : tabString; + } + else { + var spacesString = void 0; + var quotient = Math.floor(indentation / options.indentSize); + var remainder = indentation % options.indentSize; + if (!internedSpacesIndentation) { + internedSpacesIndentation = []; + } + if (internedSpacesIndentation[quotient] === undefined) { + spacesString = ts.repeatString(" ", options.indentSize * quotient); + internedSpacesIndentation[quotient] = spacesString; + } + else { + spacesString = internedSpacesIndentation[quotient]; + } + return remainder ? spacesString + ts.repeatString(" ", remainder) : spacesString; + } + } + formatting.getIndentationString = getIndentationString; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var SmartIndenter; + (function (SmartIndenter) { + var Value; + (function (Value) { + Value[Value["Unknown"] = -1] = "Unknown"; + })(Value || (Value = {})); + /** + * @param assumeNewLineBeforeCloseBrace + * `false` when called on text from a real source file. + * `true` when we need to assume `position` is on a newline. + * + * This is useful for codefixes. Consider + * ``` + * function f() { + * |} + * ``` + * with `position` at `|`. + * + * When inserting some text after an open brace, we would like to get indentation as if a newline was already there. + * By default indentation at `position` will be 0 so 'assumeNewLineBeforeCloseBrace' overrides this behavior. + */ + function getIndentation(position, sourceFile, options, assumeNewLineBeforeCloseBrace) { + if (assumeNewLineBeforeCloseBrace === void 0) { assumeNewLineBeforeCloseBrace = false; } + if (position > sourceFile.text.length) { + return getBaseIndentation(options); // past EOF + } + // no indentation when the indent style is set to none, + // so we can return fast + if (options.indentStyle === ts.IndentStyle.None) { + return 0; + } + var precedingToken = ts.findPrecedingToken(position, sourceFile, /*startNode*/ undefined, /*excludeJsdoc*/ true); + // eslint-disable-next-line no-null/no-null + var enclosingCommentRange = formatting.getRangeOfEnclosingComment(sourceFile, position, precedingToken || null); + if (enclosingCommentRange && enclosingCommentRange.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + return getCommentIndent(sourceFile, position, options, enclosingCommentRange); + } + if (!precedingToken) { + return getBaseIndentation(options); + } + // no indentation in string \regex\template literals + var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); + if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && position < precedingToken.end) { + return 0; + } + var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + // indentation is first non-whitespace character in a previous line + // for block indentation, we should look for a line which contains something that's not + // whitespace. + var currentToken = ts.getTokenAtPosition(sourceFile, position); + // For object literals, we want indentation to work just like with blocks. + // If the `{` starts in any position (even in the middle of a line), then + // the following indentation should treat `{` as the start of that line (including leading whitespace). + // ``` + // const a: { x: undefined, y: undefined } = {} // leading 4 whitespaces and { starts in the middle of line + // -> + // const a: { x: undefined, y: undefined } = { + // x: undefined, + // y: undefined, + // } + // --------------------- + // const a: {x : undefined, y: undefined } = + // {} + // -> + // const a: { x: undefined, y: undefined } = + // { // leading 5 whitespaces and { starts at 6 column + // x: undefined, + // y: undefined, + // } + // ``` + var isObjectLiteral = currentToken.kind === 18 /* SyntaxKind.OpenBraceToken */ && currentToken.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */; + if (options.indentStyle === ts.IndentStyle.Block || isObjectLiteral) { + return getBlockIndent(sourceFile, position, options); + } + if (precedingToken.kind === 27 /* SyntaxKind.CommaToken */ && precedingToken.parent.kind !== 221 /* SyntaxKind.BinaryExpression */) { + // previous token is comma that separates items in list - find the previous item and try to derive indentation from it + var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); + if (actualIndentation !== -1 /* Value.Unknown */) { + return actualIndentation; + } + } + var containerList = getListByPosition(position, precedingToken.parent, sourceFile); + // use list position if the preceding token is before any list items + if (containerList && !ts.rangeContainsRange(containerList, precedingToken)) { + var useTheSameBaseIndentation = [213 /* SyntaxKind.FunctionExpression */, 214 /* SyntaxKind.ArrowFunction */].indexOf(currentToken.parent.kind) !== -1; + var indentSize = useTheSameBaseIndentation ? 0 : options.indentSize; + return getActualIndentationForListStartLine(containerList, sourceFile, options) + indentSize; // TODO: GH#18217 + } + return getSmartIndent(sourceFile, position, precedingToken, lineAtPosition, assumeNewLineBeforeCloseBrace, options); + } + SmartIndenter.getIndentation = getIndentation; + function getCommentIndent(sourceFile, position, options, enclosingCommentRange) { + var previousLine = ts.getLineAndCharacterOfPosition(sourceFile, position).line - 1; + var commentStartLine = ts.getLineAndCharacterOfPosition(sourceFile, enclosingCommentRange.pos).line; + ts.Debug.assert(commentStartLine >= 0); + if (previousLine <= commentStartLine) { + return findFirstNonWhitespaceColumn(ts.getStartPositionOfLine(commentStartLine, sourceFile), position, sourceFile, options); + } + var startPositionOfLine = ts.getStartPositionOfLine(previousLine, sourceFile); + var _a = findFirstNonWhitespaceCharacterAndColumn(startPositionOfLine, position, sourceFile, options), column = _a.column, character = _a.character; + if (column === 0) { + return column; + } + var firstNonWhitespaceCharacterCode = sourceFile.text.charCodeAt(startPositionOfLine + character); + return firstNonWhitespaceCharacterCode === 42 /* CharacterCodes.asterisk */ ? column - 1 : column; + } + function getBlockIndent(sourceFile, position, options) { + // move backwards until we find a line with a non-whitespace character, + // then find the first non-whitespace character for that line. + var current = position; + while (current > 0) { + var char = sourceFile.text.charCodeAt(current); + if (!ts.isWhiteSpaceLike(char)) { + break; + } + current--; + } + var lineStart = ts.getLineStartPositionForPosition(current, sourceFile); + return findFirstNonWhitespaceColumn(lineStart, current, sourceFile, options); + } + function getSmartIndent(sourceFile, position, precedingToken, lineAtPosition, assumeNewLineBeforeCloseBrace, options) { + // try to find node that can contribute to indentation and includes 'position' starting from 'precedingToken' + // if such node is found - compute initial indentation for 'position' inside this node + var previous; + var current = precedingToken; + while (current) { + if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(options, current, previous, sourceFile, /*isNextChild*/ true)) { + var currentStart = getStartLineAndCharacterForNode(current, sourceFile); + var nextTokenKind = nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile); + var indentationDelta = nextTokenKind !== 0 /* NextTokenKind.Unknown */ + // handle cases when codefix is about to be inserted before the close brace + ? assumeNewLineBeforeCloseBrace && nextTokenKind === 2 /* NextTokenKind.CloseBrace */ ? options.indentSize : 0 + : lineAtPosition !== currentStart.line ? options.indentSize : 0; + return getIndentationForNodeWorker(current, currentStart, /*ignoreActualIndentationRange*/ undefined, indentationDelta, sourceFile, /*isNextChild*/ true, options); // TODO: GH#18217 + } + // check if current node is a list item - if yes, take indentation from it + // do not consider parent-child line sharing yet: + // function foo(a + // | preceding node 'a' does share line with its parent but indentation is expected + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options, /*listIndentsChild*/ true); + if (actualIndentation !== -1 /* Value.Unknown */) { + return actualIndentation; + } + previous = current; + current = current.parent; + } + // no parent was found - return the base indentation of the SourceFile + return getBaseIndentation(options); + } + function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { + var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, /*indentationDelta*/ 0, sourceFile, /*isNextChild*/ false, options); + } + SmartIndenter.getIndentationForNode = getIndentationForNode; + function getBaseIndentation(options) { + return options.baseIndentSize || 0; + } + SmartIndenter.getBaseIndentation = getBaseIndentation; + function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, isNextChild, options) { + var _a; + var parent = current.parent; + // Walk up the tree and collect indentation for parent-child node pairs. Indentation is not added if + // * parent and child nodes start on the same line, or + // * parent is an IfStatement and child starts on the same line as an 'else clause'. + while (parent) { + var useActualIndentation = true; + if (ignoreActualIndentationRange) { + var start = current.getStart(sourceFile); + useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + } + var containingListOrParentStart = getContainingListOrParentStart(parent, current, sourceFile); + var parentAndChildShareLine = containingListOrParentStart.line === currentStart.line || + childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); + if (useActualIndentation) { + // check if current node is a list item - if yes, take indentation from it + var firstListChild = (_a = getContainingList(current, sourceFile)) === null || _a === void 0 ? void 0 : _a[0]; + // A list indents its children if the children begin on a later line than the list itself: + // + // f1( L0 - List start + // { L1 - First child start: indented, along with all other children + // prop: 0 + // }, + // { + // prop: 1 + // } + // ) + // + // f2({ L0 - List start and first child start: children are not indented. + // prop: 0 Object properties are indented only one level, because the list + // }, { itself contributes nothing. + // prop: 1 L3 - The indentation of the second object literal is best understood by + // }) looking at the relationship between the list and *first* list item. + var listIndentsChild = !!firstListChild && getStartLineAndCharacterForNode(firstListChild, sourceFile).line > containingListOrParentStart.line; + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options, listIndentsChild); + if (actualIndentation !== -1 /* Value.Unknown */) { + return actualIndentation + indentationDelta; + } + // try to fetch actual indentation for current node from source text + actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); + if (actualIndentation !== -1 /* Value.Unknown */) { + return actualIndentation + indentationDelta; + } + } + // increase indentation if parent node wants its content to be indented and parent and child nodes don't start on the same line + if (shouldIndentChildNode(options, parent, current, sourceFile, isNextChild) && !parentAndChildShareLine) { + indentationDelta += options.indentSize; + } + // In our AST, a call argument's `parent` is the call-expression, not the argument list. + // We would like to increase indentation based on the relationship between an argument and its argument-list, + // so we spoof the starting position of the (parent) call-expression to match the (non-parent) argument-list. + // But, the spoofed start-value could then cause a problem when comparing the start position of the call-expression + // to *its* parent (in the case of an iife, an expression statement), adding an extra level of indentation. + // + // Instead, when at an argument, we unspoof the starting position of the enclosing call expression + // *after* applying indentation for the argument. + var useTrueStart = isArgumentAndStartLineOverlapsExpressionBeingCalled(parent, current, currentStart.line, sourceFile); + current = parent; + parent = current.parent; + currentStart = useTrueStart ? sourceFile.getLineAndCharacterOfPosition(current.getStart(sourceFile)) : containingListOrParentStart; + } + return indentationDelta + getBaseIndentation(options); + } + function getContainingListOrParentStart(parent, child, sourceFile) { + var containingList = getContainingList(child, sourceFile); + var startPos = containingList ? containingList.pos : parent.getStart(sourceFile); + return sourceFile.getLineAndCharacterOfPosition(startPos); + } + /* + * Function returns Value.Unknown if indentation cannot be determined + */ + function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { + // previous token is comma that separates items in list - find the previous item and try to derive indentation from it + var commaItemInfo = ts.findListItemInfo(commaToken); + if (commaItemInfo && commaItemInfo.listItemIndex > 0) { + return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); + } + else { + // handle broken code gracefully + return -1 /* Value.Unknown */; + } + } + /* + * Function returns Value.Unknown if actual indentation for node should not be used (i.e because node is nested expression) + */ + function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { + // actual indentation is used for statements\declarations if one of cases below is true: + // - parent is SourceFile - by default immediate children of SourceFile are not indented except when user indents them manually + // - parent and child are not on the same line + var useActualIndentation = (ts.isDeclaration(current) || ts.isStatementButNotDeclaration(current)) && + (parent.kind === 305 /* SyntaxKind.SourceFile */ || !parentAndChildShareLine); + if (!useActualIndentation) { + return -1 /* Value.Unknown */; + } + return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); + } + var NextTokenKind; + (function (NextTokenKind) { + NextTokenKind[NextTokenKind["Unknown"] = 0] = "Unknown"; + NextTokenKind[NextTokenKind["OpenBrace"] = 1] = "OpenBrace"; + NextTokenKind[NextTokenKind["CloseBrace"] = 2] = "CloseBrace"; + })(NextTokenKind || (NextTokenKind = {})); + function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { + var nextToken = ts.findNextToken(precedingToken, current, sourceFile); + if (!nextToken) { + return 0 /* NextTokenKind.Unknown */; + } + if (nextToken.kind === 18 /* SyntaxKind.OpenBraceToken */) { + // open braces are always indented at the parent level + return 1 /* NextTokenKind.OpenBrace */; + } + else if (nextToken.kind === 19 /* SyntaxKind.CloseBraceToken */) { + // close braces are indented at the parent level if they are located on the same line with cursor + // this means that if new line will be added at $ position, this case will be indented + // class A { + // $ + // } + /// and this one - not + // class A { + // $} + var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; + return lineAtPosition === nextTokenStartLine ? 2 /* NextTokenKind.CloseBrace */ : 0 /* NextTokenKind.Unknown */; + } + return 0 /* NextTokenKind.Unknown */; + } + function getStartLineAndCharacterForNode(n, sourceFile) { + return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + } + function isArgumentAndStartLineOverlapsExpressionBeingCalled(parent, child, childStartLine, sourceFile) { + if (!(ts.isCallExpression(parent) && ts.contains(parent.arguments, child))) { + return false; + } + var expressionOfCallExpressionEnd = parent.expression.getEnd(); + var expressionOfCallExpressionEndLine = ts.getLineAndCharacterOfPosition(sourceFile, expressionOfCallExpressionEnd).line; + return expressionOfCallExpressionEndLine === childStartLine; + } + SmartIndenter.isArgumentAndStartLineOverlapsExpressionBeingCalled = isArgumentAndStartLineOverlapsExpressionBeingCalled; + function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { + if (parent.kind === 239 /* SyntaxKind.IfStatement */ && parent.elseStatement === child) { + var elseKeyword = ts.findChildOfKind(parent, 91 /* SyntaxKind.ElseKeyword */, sourceFile); + ts.Debug.assert(elseKeyword !== undefined); + var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; + return elseKeywordStartLine === childStartLine; + } + return false; + } + SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; + // A multiline conditional typically increases the indentation of its whenTrue and whenFalse children: + // + // condition + // ? whenTrue + // : whenFalse; + // + // However, that indentation does not apply if the subexpressions themselves span multiple lines, + // applying their own indentation: + // + // (() => { + // return complexCalculationForCondition(); + // })() ? { + // whenTrue: 'multiline object literal' + // } : ( + // whenFalse('multiline parenthesized expression') + // ); + // + // In these cases, we must discard the indentation increase that would otherwise be applied to the + // whenTrue and whenFalse children to avoid double-indenting their contents. To identify this scenario, + // we check for the whenTrue branch beginning on the line that the condition ends, and the whenFalse + // branch beginning on the line that the whenTrue branch ends. + function childIsUnindentedBranchOfConditionalExpression(parent, child, childStartLine, sourceFile) { + if (ts.isConditionalExpression(parent) && (child === parent.whenTrue || child === parent.whenFalse)) { + var conditionEndLine = ts.getLineAndCharacterOfPosition(sourceFile, parent.condition.end).line; + if (child === parent.whenTrue) { + return childStartLine === conditionEndLine; + } + else { + // On the whenFalse side, we have to look at the whenTrue side, because if that one was + // indented, whenFalse must also be indented: + // + // const y = true + // ? 1 : ( L1: whenTrue indented because it's on a new line + // 0 L2: indented two stops, one because whenTrue was indented + // ); and one because of the parentheses spanning multiple lines + var trueStartLine = getStartLineAndCharacterForNode(parent.whenTrue, sourceFile).line; + var trueEndLine = ts.getLineAndCharacterOfPosition(sourceFile, parent.whenTrue.end).line; + return conditionEndLine === trueStartLine && trueEndLine === childStartLine; + } + } + return false; + } + SmartIndenter.childIsUnindentedBranchOfConditionalExpression = childIsUnindentedBranchOfConditionalExpression; + function argumentStartsOnSameLineAsPreviousArgument(parent, child, childStartLine, sourceFile) { + if (ts.isCallOrNewExpression(parent)) { + if (!parent.arguments) + return false; + var currentNode = ts.find(parent.arguments, function (arg) { return arg.pos === child.pos; }); + // If it's not one of the arguments, don't look past this + if (!currentNode) + return false; + var currentIndex = parent.arguments.indexOf(currentNode); + if (currentIndex === 0) + return false; // Can't look at previous node if first + var previousNode = parent.arguments[currentIndex - 1]; + var lineOfPreviousNode = ts.getLineAndCharacterOfPosition(sourceFile, previousNode.getEnd()).line; + if (childStartLine === lineOfPreviousNode) { + return true; + } + } + return false; + } + SmartIndenter.argumentStartsOnSameLineAsPreviousArgument = argumentStartsOnSameLineAsPreviousArgument; + function getContainingList(node, sourceFile) { + return node.parent && getListByRange(node.getStart(sourceFile), node.getEnd(), node.parent, sourceFile); + } + SmartIndenter.getContainingList = getContainingList; + function getListByPosition(pos, node, sourceFile) { + return node && getListByRange(pos, pos, node, sourceFile); + } + function getListByRange(start, end, node, sourceFile) { + switch (node.kind) { + case 178 /* SyntaxKind.TypeReference */: + return getList(node.typeArguments); + case 205 /* SyntaxKind.ObjectLiteralExpression */: + return getList(node.properties); + case 204 /* SyntaxKind.ArrayLiteralExpression */: + return getList(node.elements); + case 182 /* SyntaxKind.TypeLiteral */: + return getList(node.members); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 171 /* SyntaxKind.Constructor */: + case 180 /* SyntaxKind.ConstructorType */: + case 175 /* SyntaxKind.ConstructSignature */: + return getList(node.typeParameters) || getList(node.parameters); + case 172 /* SyntaxKind.GetAccessor */: + return getList(node.parameters); + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 344 /* SyntaxKind.JSDocTemplateTag */: + return getList(node.typeParameters); + case 209 /* SyntaxKind.NewExpression */: + case 208 /* SyntaxKind.CallExpression */: + return getList(node.typeArguments) || getList(node.arguments); + case 255 /* SyntaxKind.VariableDeclarationList */: + return getList(node.declarations); + case 269 /* SyntaxKind.NamedImports */: + case 273 /* SyntaxKind.NamedExports */: + return getList(node.elements); + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 202 /* SyntaxKind.ArrayBindingPattern */: + return getList(node.elements); + } + function getList(list) { + return list && ts.rangeContainsStartEnd(getVisualListRange(node, list, sourceFile), start, end) ? list : undefined; + } + } + function getVisualListRange(node, list, sourceFile) { + var children = node.getChildren(sourceFile); + for (var i = 1; i < children.length - 1; i++) { + if (children[i].pos === list.pos && children[i].end === list.end) { + return { pos: children[i - 1].end, end: children[i + 1].getStart(sourceFile) }; + } + } + return list; + } + function getActualIndentationForListStartLine(list, sourceFile, options) { + if (!list) { + return -1 /* Value.Unknown */; + } + return findColumnForFirstNonWhitespaceCharacterInLine(sourceFile.getLineAndCharacterOfPosition(list.pos), sourceFile, options); + } + function getActualIndentationForListItem(node, sourceFile, options, listIndentsChild) { + if (node.parent && node.parent.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + // VariableDeclarationList has no wrapping tokens + return -1 /* Value.Unknown */; + } + var containingList = getContainingList(node, sourceFile); + if (containingList) { + var index = containingList.indexOf(node); + if (index !== -1) { + var result = deriveActualIndentationFromList(containingList, index, sourceFile, options); + if (result !== -1 /* Value.Unknown */) { + return result; + } + } + return getActualIndentationForListStartLine(containingList, sourceFile, options) + (listIndentsChild ? options.indentSize : 0); // TODO: GH#18217 + } + return -1 /* Value.Unknown */; + } + function deriveActualIndentationFromList(list, index, sourceFile, options) { + ts.Debug.assert(index >= 0 && index < list.length); + var node = list[index]; + // walk toward the start of the list starting from current node and check if the line is the same for all items. + // if end line for item [i - 1] differs from the start line for item [i] - find column of the first non-whitespace character on the line of item [i] + var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); + for (var i = index - 1; i >= 0; i--) { + if (list[i].kind === 27 /* SyntaxKind.CommaToken */) { + continue; + } + // skip list items that ends on the same line with the current list element + var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; + if (prevEndLine !== lineAndCharacter.line) { + return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + } + lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); + } + return -1 /* Value.Unknown */; + } + function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { + var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); + return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); + } + /** + * Character is the actual index of the character since the beginning of the line. + * Column - position of the character after expanding tabs to spaces. + * "0\t2$" + * value of 'character' for '$' is 3 + * value of 'column' for '$' is 6 (assuming that tab size is 4) + */ + function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { + var character = 0; + var column = 0; + for (var pos = startPos; pos < endPos; pos++) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpaceSingleLine(ch)) { + break; + } + if (ch === 9 /* CharacterCodes.tab */) { + column += options.tabSize + (column % options.tabSize); + } + else { + column++; + } + character++; + } + return { column: column, character: character }; + } + SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; + function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { + return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; + } + SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; + function nodeWillIndentChild(settings, parent, child, sourceFile, indentByDefault) { + var childKind = child ? child.kind : 0 /* SyntaxKind.Unknown */; + switch (parent.kind) { + case 238 /* SyntaxKind.ExpressionStatement */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + case 235 /* SyntaxKind.Block */: + case 262 /* SyntaxKind.ModuleBlock */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 182 /* SyntaxKind.TypeLiteral */: + case 195 /* SyntaxKind.MappedType */: + case 184 /* SyntaxKind.TupleType */: + case 263 /* SyntaxKind.CaseBlock */: + case 290 /* SyntaxKind.DefaultClause */: + case 289 /* SyntaxKind.CaseClause */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + case 237 /* SyntaxKind.VariableStatement */: + case 271 /* SyntaxKind.ExportAssignment */: + case 247 /* SyntaxKind.ReturnStatement */: + case 222 /* SyntaxKind.ConditionalExpression */: + case 202 /* SyntaxKind.ArrayBindingPattern */: + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 280 /* SyntaxKind.JsxOpeningElement */: + case 283 /* SyntaxKind.JsxOpeningFragment */: + case 279 /* SyntaxKind.JsxSelfClosingElement */: + case 288 /* SyntaxKind.JsxExpression */: + case 168 /* SyntaxKind.MethodSignature */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 164 /* SyntaxKind.Parameter */: + case 179 /* SyntaxKind.FunctionType */: + case 180 /* SyntaxKind.ConstructorType */: + case 191 /* SyntaxKind.ParenthesizedType */: + case 210 /* SyntaxKind.TaggedTemplateExpression */: + case 218 /* SyntaxKind.AwaitExpression */: + case 273 /* SyntaxKind.NamedExports */: + case 269 /* SyntaxKind.NamedImports */: + case 275 /* SyntaxKind.ExportSpecifier */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 167 /* SyntaxKind.PropertyDeclaration */: + return true; + case 254 /* SyntaxKind.VariableDeclaration */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 221 /* SyntaxKind.BinaryExpression */: + if (!settings.indentMultiLineObjectLiteralBeginningOnBlankLine && sourceFile && childKind === 205 /* SyntaxKind.ObjectLiteralExpression */) { // TODO: GH#18217 + return rangeIsOnOneLine(sourceFile, child); + } + if (parent.kind === 221 /* SyntaxKind.BinaryExpression */ && sourceFile && child && childKind === 278 /* SyntaxKind.JsxElement */) { + var parentStartLine = sourceFile.getLineAndCharacterOfPosition(ts.skipTrivia(sourceFile.text, parent.pos)).line; + var childStartLine = sourceFile.getLineAndCharacterOfPosition(ts.skipTrivia(sourceFile.text, child.pos)).line; + return parentStartLine !== childStartLine; + } + if (parent.kind !== 221 /* SyntaxKind.BinaryExpression */) { + return true; + } + break; + case 240 /* SyntaxKind.DoStatement */: + case 241 /* SyntaxKind.WhileStatement */: + case 243 /* SyntaxKind.ForInStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 239 /* SyntaxKind.IfStatement */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return childKind !== 235 /* SyntaxKind.Block */; + case 214 /* SyntaxKind.ArrowFunction */: + if (sourceFile && childKind === 212 /* SyntaxKind.ParenthesizedExpression */) { + return rangeIsOnOneLine(sourceFile, child); + } + return childKind !== 235 /* SyntaxKind.Block */; + case 272 /* SyntaxKind.ExportDeclaration */: + return childKind !== 273 /* SyntaxKind.NamedExports */; + case 266 /* SyntaxKind.ImportDeclaration */: + return childKind !== 267 /* SyntaxKind.ImportClause */ || + (!!child.namedBindings && child.namedBindings.kind !== 269 /* SyntaxKind.NamedImports */); + case 278 /* SyntaxKind.JsxElement */: + return childKind !== 281 /* SyntaxKind.JsxClosingElement */; + case 282 /* SyntaxKind.JsxFragment */: + return childKind !== 284 /* SyntaxKind.JsxClosingFragment */; + case 188 /* SyntaxKind.IntersectionType */: + case 187 /* SyntaxKind.UnionType */: + if (childKind === 182 /* SyntaxKind.TypeLiteral */ || childKind === 184 /* SyntaxKind.TupleType */) { + return false; + } + break; + } + // No explicit rule for given nodes so the result will follow the default value argument + return indentByDefault; + } + SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; + function isControlFlowEndingStatement(kind, parent) { + switch (kind) { + case 247 /* SyntaxKind.ReturnStatement */: + case 251 /* SyntaxKind.ThrowStatement */: + case 245 /* SyntaxKind.ContinueStatement */: + case 246 /* SyntaxKind.BreakStatement */: + return parent.kind !== 235 /* SyntaxKind.Block */; + default: + return false; + } + } + /** + * True when the parent node should indent the given child by an explicit rule. + * @param isNextChild If true, we are judging indent of a hypothetical child *after* this one, not the current child. + */ + function shouldIndentChildNode(settings, parent, child, sourceFile, isNextChild) { + if (isNextChild === void 0) { isNextChild = false; } + return nodeWillIndentChild(settings, parent, child, sourceFile, /*indentByDefault*/ false) + && !(isNextChild && child && isControlFlowEndingStatement(child.kind, parent)); + } + SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; + function rangeIsOnOneLine(sourceFile, range) { + var rangeStart = ts.skipTrivia(sourceFile.text, range.pos); + var startLine = sourceFile.getLineAndCharacterOfPosition(rangeStart).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(range.end).line; + return startLine === endLine; + } + })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var textChanges; + (function (textChanges_3) { + /** + * Currently for simplicity we store recovered positions on the node itself. + * It can be changed to side-table later if we decide that current design is too invasive. + */ + function getPos(n) { + var result = n.__pos; + ts.Debug.assert(typeof result === "number"); + return result; + } + function setPos(n, pos) { + ts.Debug.assert(typeof pos === "number"); + n.__pos = pos; + } + function getEnd(n) { + var result = n.__end; + ts.Debug.assert(typeof result === "number"); + return result; + } + function setEnd(n, end) { + ts.Debug.assert(typeof end === "number"); + n.__end = end; + } + var LeadingTriviaOption; + (function (LeadingTriviaOption) { + /** Exclude all leading trivia (use getStart()) */ + LeadingTriviaOption[LeadingTriviaOption["Exclude"] = 0] = "Exclude"; + /** Include leading trivia and, + * if there are no line breaks between the node and the previous token, + * include all trivia between the node and the previous token + */ + LeadingTriviaOption[LeadingTriviaOption["IncludeAll"] = 1] = "IncludeAll"; + /** + * Include attached JSDoc comments + */ + LeadingTriviaOption[LeadingTriviaOption["JSDoc"] = 2] = "JSDoc"; + /** + * Only delete trivia on the same line as getStart(). + * Used to avoid deleting leading comments + */ + LeadingTriviaOption[LeadingTriviaOption["StartLine"] = 3] = "StartLine"; + })(LeadingTriviaOption = textChanges_3.LeadingTriviaOption || (textChanges_3.LeadingTriviaOption = {})); + var TrailingTriviaOption; + (function (TrailingTriviaOption) { + /** Exclude all trailing trivia (use getEnd()) */ + TrailingTriviaOption[TrailingTriviaOption["Exclude"] = 0] = "Exclude"; + /** Doesn't include whitespace, but does strip comments */ + TrailingTriviaOption[TrailingTriviaOption["ExcludeWhitespace"] = 1] = "ExcludeWhitespace"; + /** Include trailing trivia */ + TrailingTriviaOption[TrailingTriviaOption["Include"] = 2] = "Include"; + })(TrailingTriviaOption = textChanges_3.TrailingTriviaOption || (textChanges_3.TrailingTriviaOption = {})); + function skipWhitespacesAndLineBreaks(text, start) { + return ts.skipTrivia(text, start, /*stopAfterLineBreak*/ false, /*stopAtComments*/ true); + } + function hasCommentsBeforeLineBreak(text, start) { + var i = start; + while (i < text.length) { + var ch = text.charCodeAt(i); + if (ts.isWhiteSpaceSingleLine(ch)) { + i++; + continue; + } + return ch === 47 /* CharacterCodes.slash */; + } + return false; + } + var useNonAdjustedPositions = { + leadingTriviaOption: LeadingTriviaOption.Exclude, + trailingTriviaOption: TrailingTriviaOption.Exclude, + }; + var ChangeKind; + (function (ChangeKind) { + ChangeKind[ChangeKind["Remove"] = 0] = "Remove"; + ChangeKind[ChangeKind["ReplaceWithSingleNode"] = 1] = "ReplaceWithSingleNode"; + ChangeKind[ChangeKind["ReplaceWithMultipleNodes"] = 2] = "ReplaceWithMultipleNodes"; + ChangeKind[ChangeKind["Text"] = 3] = "Text"; + })(ChangeKind || (ChangeKind = {})); + function getAdjustedRange(sourceFile, startNode, endNode, options) { + return { pos: getAdjustedStartPosition(sourceFile, startNode, options), end: getAdjustedEndPosition(sourceFile, endNode, options) }; + } + function getAdjustedStartPosition(sourceFile, node, options, hasTrailingComment) { + var _a, _b; + if (hasTrailingComment === void 0) { hasTrailingComment = false; } + var leadingTriviaOption = options.leadingTriviaOption; + if (leadingTriviaOption === LeadingTriviaOption.Exclude) { + return node.getStart(sourceFile); + } + if (leadingTriviaOption === LeadingTriviaOption.StartLine) { + var startPos = node.getStart(sourceFile); + var pos = ts.getLineStartPositionForPosition(startPos, sourceFile); + return ts.rangeContainsPosition(node, pos) ? pos : startPos; + } + if (leadingTriviaOption === LeadingTriviaOption.JSDoc) { + var JSDocComments = ts.getJSDocCommentRanges(node, sourceFile.text); + if (JSDocComments === null || JSDocComments === void 0 ? void 0 : JSDocComments.length) { + return ts.getLineStartPositionForPosition(JSDocComments[0].pos, sourceFile); + } + } + var fullStart = node.getFullStart(); + var start = node.getStart(sourceFile); + if (fullStart === start) { + return start; + } + var fullStartLine = ts.getLineStartPositionForPosition(fullStart, sourceFile); + var startLine = ts.getLineStartPositionForPosition(start, sourceFile); + if (startLine === fullStartLine) { + // full start and start of the node are on the same line + // a, b; + // ^ ^ + // | start + // fullstart + // when b is replaced - we usually want to keep the leading trvia + // when b is deleted - we delete it + return leadingTriviaOption === LeadingTriviaOption.IncludeAll ? fullStart : start; + } + // if node has a trailing comments, use comment end position as the text has already been included. + if (hasTrailingComment) { + // Check first for leading comments as if the node is the first import, we want to exclude the trivia; + // otherwise we get the trailing comments. + var comment = ((_a = ts.getLeadingCommentRanges(sourceFile.text, fullStart)) === null || _a === void 0 ? void 0 : _a[0]) || ((_b = ts.getTrailingCommentRanges(sourceFile.text, fullStart)) === null || _b === void 0 ? void 0 : _b[0]); + if (comment) { + return ts.skipTrivia(sourceFile.text, comment.end, /*stopAfterLineBreak*/ true, /*stopAtComments*/ true); + } + } + // get start position of the line following the line that contains fullstart position + // (but only if the fullstart isn't the very beginning of the file) + var nextLineStart = fullStart > 0 ? 1 : 0; + var adjustedStartPosition = ts.getStartPositionOfLine(ts.getLineOfLocalPosition(sourceFile, fullStartLine) + nextLineStart, sourceFile); + // skip whitespaces/newlines + adjustedStartPosition = skipWhitespacesAndLineBreaks(sourceFile.text, adjustedStartPosition); + return ts.getStartPositionOfLine(ts.getLineOfLocalPosition(sourceFile, adjustedStartPosition), sourceFile); + } + /** Return the end position of a multiline comment of it is on another line; otherwise returns `undefined`; */ + function getEndPositionOfMultilineTrailingComment(sourceFile, node, options) { + var end = node.end; + var trailingTriviaOption = options.trailingTriviaOption; + if (trailingTriviaOption === TrailingTriviaOption.Include) { + // If the trailing comment is a multiline comment that extends to the next lines, + // return the end of the comment and track it for the next nodes to adjust. + var comments = ts.getTrailingCommentRanges(sourceFile.text, end); + if (comments) { + var nodeEndLine = ts.getLineOfLocalPosition(sourceFile, node.end); + for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { + var comment = comments_2[_i]; + // Single line can break the loop as trivia will only be this line. + // Comments on subsequest lines are also ignored. + if (comment.kind === 2 /* SyntaxKind.SingleLineCommentTrivia */ || ts.getLineOfLocalPosition(sourceFile, comment.pos) > nodeEndLine) { + break; + } + // Get the end line of the comment and compare against the end line of the node. + // If the comment end line position and the multiline comment extends to multiple lines, + // then is safe to return the end position. + var commentEndLine = ts.getLineOfLocalPosition(sourceFile, comment.end); + if (commentEndLine > nodeEndLine) { + return ts.skipTrivia(sourceFile.text, comment.end, /*stopAfterLineBreak*/ true, /*stopAtComments*/ true); + } + } + } + } + return undefined; + } + function getAdjustedEndPosition(sourceFile, node, options) { + var _a; + var end = node.end; + var trailingTriviaOption = options.trailingTriviaOption; + if (trailingTriviaOption === TrailingTriviaOption.Exclude) { + return end; + } + if (trailingTriviaOption === TrailingTriviaOption.ExcludeWhitespace) { + var comments = ts.concatenate(ts.getTrailingCommentRanges(sourceFile.text, end), ts.getLeadingCommentRanges(sourceFile.text, end)); + var realEnd = (_a = comments === null || comments === void 0 ? void 0 : comments[comments.length - 1]) === null || _a === void 0 ? void 0 : _a.end; + if (realEnd) { + return realEnd; + } + return end; + } + var multilineEndPosition = getEndPositionOfMultilineTrailingComment(sourceFile, node, options); + if (multilineEndPosition) { + return multilineEndPosition; + } + var newEnd = ts.skipTrivia(sourceFile.text, end, /*stopAfterLineBreak*/ true); + return newEnd !== end && (trailingTriviaOption === TrailingTriviaOption.Include || ts.isLineBreak(sourceFile.text.charCodeAt(newEnd - 1))) + ? newEnd + : end; + } + /** + * Checks if 'candidate' argument is a legal separator in the list that contains 'node' as an element + */ + function isSeparator(node, candidate) { + return !!candidate && !!node.parent && (candidate.kind === 27 /* SyntaxKind.CommaToken */ || (candidate.kind === 26 /* SyntaxKind.SemicolonToken */ && node.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */)); + } + function isThisTypeAnnotatable(containingFunction) { + return ts.isFunctionExpression(containingFunction) || ts.isFunctionDeclaration(containingFunction); + } + textChanges_3.isThisTypeAnnotatable = isThisTypeAnnotatable; + var ChangeTracker = /** @class */ (function () { + /** Public for tests only. Other callers should use `ChangeTracker.with`. */ + function ChangeTracker(newLineCharacter, formatContext) { + this.newLineCharacter = newLineCharacter; + this.formatContext = formatContext; + this.changes = []; + this.newFiles = []; + this.classesWithNodesInsertedAtStart = new ts.Map(); // Set implemented as Map + this.deletedNodes = []; + } + ChangeTracker.fromContext = function (context) { + return new ChangeTracker(ts.getNewLineOrDefaultFromHost(context.host, context.formatContext.options), context.formatContext); + }; + ChangeTracker.with = function (context, cb) { + var tracker = ChangeTracker.fromContext(context); + cb(tracker); + return tracker.getChanges(); + }; + ChangeTracker.prototype.pushRaw = function (sourceFile, change) { + ts.Debug.assertEqual(sourceFile.fileName, change.fileName); + for (var _i = 0, _a = change.textChanges; _i < _a.length; _i++) { + var c = _a[_i]; + this.changes.push({ + kind: ChangeKind.Text, + sourceFile: sourceFile, + text: c.newText, + range: ts.createTextRangeFromSpan(c.span), + }); + } + }; + ChangeTracker.prototype.deleteRange = function (sourceFile, range) { + this.changes.push({ kind: ChangeKind.Remove, sourceFile: sourceFile, range: range }); + }; + ChangeTracker.prototype.delete = function (sourceFile, node) { + this.deletedNodes.push({ sourceFile: sourceFile, node: node }); + }; + /** Stop! Consider using `delete` instead, which has logic for deleting nodes from delimited lists. */ + ChangeTracker.prototype.deleteNode = function (sourceFile, node, options) { + if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; } + this.deleteRange(sourceFile, getAdjustedRange(sourceFile, node, node, options)); + }; + ChangeTracker.prototype.deleteNodes = function (sourceFile, nodes, options, hasTrailingComment) { + if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; } + // When deleting multiple nodes we need to track if the end position is including multiline trailing comments. + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var pos = getAdjustedStartPosition(sourceFile, node, options, hasTrailingComment); + var end = getAdjustedEndPosition(sourceFile, node, options); + this.deleteRange(sourceFile, { pos: pos, end: end }); + hasTrailingComment = !!getEndPositionOfMultilineTrailingComment(sourceFile, node, options); + } + }; + ChangeTracker.prototype.deleteModifier = function (sourceFile, modifier) { + this.deleteRange(sourceFile, { pos: modifier.getStart(sourceFile), end: ts.skipTrivia(sourceFile.text, modifier.end, /*stopAfterLineBreak*/ true) }); + }; + ChangeTracker.prototype.deleteNodeRange = function (sourceFile, startNode, endNode, options) { + if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; } + var startPosition = getAdjustedStartPosition(sourceFile, startNode, options); + var endPosition = getAdjustedEndPosition(sourceFile, endNode, options); + this.deleteRange(sourceFile, { pos: startPosition, end: endPosition }); + }; + ChangeTracker.prototype.deleteNodeRangeExcludingEnd = function (sourceFile, startNode, afterEndNode, options) { + if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; } + var startPosition = getAdjustedStartPosition(sourceFile, startNode, options); + var endPosition = afterEndNode === undefined ? sourceFile.text.length : getAdjustedStartPosition(sourceFile, afterEndNode, options); + this.deleteRange(sourceFile, { pos: startPosition, end: endPosition }); + }; + ChangeTracker.prototype.replaceRange = function (sourceFile, range, newNode, options) { + if (options === void 0) { options = {}; } + this.changes.push({ kind: ChangeKind.ReplaceWithSingleNode, sourceFile: sourceFile, range: range, options: options, node: newNode }); + }; + ChangeTracker.prototype.replaceNode = function (sourceFile, oldNode, newNode, options) { + if (options === void 0) { options = useNonAdjustedPositions; } + this.replaceRange(sourceFile, getAdjustedRange(sourceFile, oldNode, oldNode, options), newNode, options); + }; + ChangeTracker.prototype.replaceNodeRange = function (sourceFile, startNode, endNode, newNode, options) { + if (options === void 0) { options = useNonAdjustedPositions; } + this.replaceRange(sourceFile, getAdjustedRange(sourceFile, startNode, endNode, options), newNode, options); + }; + ChangeTracker.prototype.replaceRangeWithNodes = function (sourceFile, range, newNodes, options) { + if (options === void 0) { options = {}; } + this.changes.push({ kind: ChangeKind.ReplaceWithMultipleNodes, sourceFile: sourceFile, range: range, options: options, nodes: newNodes }); + }; + ChangeTracker.prototype.replaceNodeWithNodes = function (sourceFile, oldNode, newNodes, options) { + if (options === void 0) { options = useNonAdjustedPositions; } + this.replaceRangeWithNodes(sourceFile, getAdjustedRange(sourceFile, oldNode, oldNode, options), newNodes, options); + }; + ChangeTracker.prototype.replaceNodeWithText = function (sourceFile, oldNode, text) { + this.replaceRangeWithText(sourceFile, getAdjustedRange(sourceFile, oldNode, oldNode, useNonAdjustedPositions), text); + }; + ChangeTracker.prototype.replaceNodeRangeWithNodes = function (sourceFile, startNode, endNode, newNodes, options) { + if (options === void 0) { options = useNonAdjustedPositions; } + this.replaceRangeWithNodes(sourceFile, getAdjustedRange(sourceFile, startNode, endNode, options), newNodes, options); + }; + ChangeTracker.prototype.nodeHasTrailingComment = function (sourceFile, oldNode, configurableEnd) { + if (configurableEnd === void 0) { configurableEnd = useNonAdjustedPositions; } + return !!getEndPositionOfMultilineTrailingComment(sourceFile, oldNode, configurableEnd); + }; + ChangeTracker.prototype.nextCommaToken = function (sourceFile, node) { + var next = ts.findNextToken(node, node.parent, sourceFile); + return next && next.kind === 27 /* SyntaxKind.CommaToken */ ? next : undefined; + }; + ChangeTracker.prototype.replacePropertyAssignment = function (sourceFile, oldNode, newNode) { + var suffix = this.nextCommaToken(sourceFile, oldNode) ? "" : ("," + this.newLineCharacter); + this.replaceNode(sourceFile, oldNode, newNode, { suffix: suffix }); + }; + ChangeTracker.prototype.insertNodeAt = function (sourceFile, pos, newNode, options) { + if (options === void 0) { options = {}; } + this.replaceRange(sourceFile, ts.createRange(pos), newNode, options); + }; + ChangeTracker.prototype.insertNodesAt = function (sourceFile, pos, newNodes, options) { + if (options === void 0) { options = {}; } + this.replaceRangeWithNodes(sourceFile, ts.createRange(pos), newNodes, options); + }; + ChangeTracker.prototype.insertNodeAtTopOfFile = function (sourceFile, newNode, blankLineBetween) { + this.insertAtTopOfFile(sourceFile, newNode, blankLineBetween); + }; + ChangeTracker.prototype.insertNodesAtTopOfFile = function (sourceFile, newNodes, blankLineBetween) { + this.insertAtTopOfFile(sourceFile, newNodes, blankLineBetween); + }; + ChangeTracker.prototype.insertAtTopOfFile = function (sourceFile, insert, blankLineBetween) { + var pos = getInsertionPositionAtSourceFileTop(sourceFile); + var options = { + prefix: pos === 0 ? undefined : this.newLineCharacter, + suffix: (ts.isLineBreak(sourceFile.text.charCodeAt(pos)) ? "" : this.newLineCharacter) + (blankLineBetween ? this.newLineCharacter : ""), + }; + if (ts.isArray(insert)) { + this.insertNodesAt(sourceFile, pos, insert, options); + } + else { + this.insertNodeAt(sourceFile, pos, insert, options); + } + }; + ChangeTracker.prototype.insertFirstParameter = function (sourceFile, parameters, newParam) { + var p0 = ts.firstOrUndefined(parameters); + if (p0) { + this.insertNodeBefore(sourceFile, p0, newParam); + } + else { + this.insertNodeAt(sourceFile, parameters.pos, newParam); + } + }; + ChangeTracker.prototype.insertNodeBefore = function (sourceFile, before, newNode, blankLineBetween, options) { + if (blankLineBetween === void 0) { blankLineBetween = false; } + if (options === void 0) { options = {}; } + this.insertNodeAt(sourceFile, getAdjustedStartPosition(sourceFile, before, options), newNode, this.getOptionsForInsertNodeBefore(before, newNode, blankLineBetween)); + }; + ChangeTracker.prototype.insertModifierAt = function (sourceFile, pos, modifier, options) { + if (options === void 0) { options = {}; } + this.insertNodeAt(sourceFile, pos, ts.factory.createToken(modifier), options); + }; + ChangeTracker.prototype.insertModifierBefore = function (sourceFile, modifier, before) { + return this.insertModifierAt(sourceFile, before.getStart(sourceFile), modifier, { suffix: " " }); + }; + ChangeTracker.prototype.insertCommentBeforeLine = function (sourceFile, lineNumber, position, commentText) { + var lineStartPosition = ts.getStartPositionOfLine(lineNumber, sourceFile); + var startPosition = ts.getFirstNonSpaceCharacterPosition(sourceFile.text, lineStartPosition); + // First try to see if we can put the comment on the previous line. + // We need to make sure that we are not in the middle of a string literal or a comment. + // If so, we do not want to separate the node from its comment if we can. + // Otherwise, add an extra new line immediately before the error span. + var insertAtLineStart = isValidLocationToAddComment(sourceFile, startPosition); + var token = ts.getTouchingToken(sourceFile, insertAtLineStart ? startPosition : position); + var indent = sourceFile.text.slice(lineStartPosition, startPosition); + var text = "".concat(insertAtLineStart ? "" : this.newLineCharacter, "//").concat(commentText).concat(this.newLineCharacter).concat(indent); + this.insertText(sourceFile, token.getStart(sourceFile), text); + }; + ChangeTracker.prototype.insertJsdocCommentBefore = function (sourceFile, node, tag) { + var fnStart = node.getStart(sourceFile); + if (node.jsDoc) { + for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) { + var jsdoc = _a[_i]; + this.deleteRange(sourceFile, { + pos: ts.getLineStartPositionForPosition(jsdoc.getStart(sourceFile), sourceFile), + end: getAdjustedEndPosition(sourceFile, jsdoc, /*options*/ {}) + }); + } + } + var startPosition = ts.getPrecedingNonSpaceCharacterPosition(sourceFile.text, fnStart - 1); + var indent = sourceFile.text.slice(startPosition, fnStart); + this.insertNodeAt(sourceFile, fnStart, tag, { suffix: this.newLineCharacter + indent }); + }; + ChangeTracker.prototype.createJSDocText = function (sourceFile, node) { + var comments = ts.flatMap(node.jsDoc, function (jsDoc) { + return ts.isString(jsDoc.comment) ? ts.factory.createJSDocText(jsDoc.comment) : jsDoc.comment; + }); + var jsDoc = ts.singleOrUndefined(node.jsDoc); + return jsDoc && ts.positionsAreOnSameLine(jsDoc.pos, jsDoc.end, sourceFile) && ts.length(comments) === 0 ? undefined : + ts.factory.createNodeArray(ts.intersperse(comments, ts.factory.createJSDocText("\n"))); + }; + ChangeTracker.prototype.replaceJSDocComment = function (sourceFile, node, tags) { + this.insertJsdocCommentBefore(sourceFile, updateJSDocHost(node), ts.factory.createJSDocComment(this.createJSDocText(sourceFile, node), ts.factory.createNodeArray(tags))); + }; + ChangeTracker.prototype.addJSDocTags = function (sourceFile, parent, newTags) { + var oldTags = ts.flatMapToMutable(parent.jsDoc, function (j) { return j.tags; }); + var unmergedNewTags = newTags.filter(function (newTag) { return !oldTags.some(function (tag, i) { + var merged = tryMergeJsdocTags(tag, newTag); + if (merged) + oldTags[i] = merged; + return !!merged; + }); }); + this.replaceJSDocComment(sourceFile, parent, __spreadArray(__spreadArray([], oldTags, true), unmergedNewTags, true)); + }; + ChangeTracker.prototype.filterJSDocTags = function (sourceFile, parent, predicate) { + this.replaceJSDocComment(sourceFile, parent, ts.filter(ts.flatMapToMutable(parent.jsDoc, function (j) { return j.tags; }), predicate)); + }; + ChangeTracker.prototype.replaceRangeWithText = function (sourceFile, range, text) { + this.changes.push({ kind: ChangeKind.Text, sourceFile: sourceFile, range: range, text: text }); + }; + ChangeTracker.prototype.insertText = function (sourceFile, pos, text) { + this.replaceRangeWithText(sourceFile, ts.createRange(pos), text); + }; + /** Prefer this over replacing a node with another that has a type annotation, as it avoids reformatting the other parts of the node. */ + ChangeTracker.prototype.tryInsertTypeAnnotation = function (sourceFile, node, type) { + var _a; + var endNode; + if (ts.isFunctionLike(node)) { + endNode = ts.findChildOfKind(node, 21 /* SyntaxKind.CloseParenToken */, sourceFile); + if (!endNode) { + if (!ts.isArrowFunction(node)) + return false; // Function missing parentheses, give up + // If no `)`, is an arrow function `x => x`, so use the end of the first parameter + endNode = ts.first(node.parameters); + } + } + else { + endNode = (_a = (node.kind === 254 /* SyntaxKind.VariableDeclaration */ ? node.exclamationToken : node.questionToken)) !== null && _a !== void 0 ? _a : node.name; + } + this.insertNodeAt(sourceFile, endNode.end, type, { prefix: ": " }); + return true; + }; + ChangeTracker.prototype.tryInsertThisTypeAnnotation = function (sourceFile, node, type) { + var start = ts.findChildOfKind(node, 20 /* SyntaxKind.OpenParenToken */, sourceFile).getStart(sourceFile) + 1; + var suffix = node.parameters.length ? ", " : ""; + this.insertNodeAt(sourceFile, start, type, { prefix: "this: ", suffix: suffix }); + }; + ChangeTracker.prototype.insertTypeParameters = function (sourceFile, node, typeParameters) { + // If no `(`, is an arrow function `x => x`, so use the pos of the first parameter + var start = (ts.findChildOfKind(node, 20 /* SyntaxKind.OpenParenToken */, sourceFile) || ts.first(node.parameters)).getStart(sourceFile); + this.insertNodesAt(sourceFile, start, typeParameters, { prefix: "<", suffix: ">", joiner: ", " }); + }; + ChangeTracker.prototype.getOptionsForInsertNodeBefore = function (before, inserted, blankLineBetween) { + if (ts.isStatement(before) || ts.isClassElement(before)) { + return { suffix: blankLineBetween ? this.newLineCharacter + this.newLineCharacter : this.newLineCharacter }; + } + else if (ts.isVariableDeclaration(before)) { // insert `x = 1, ` into `const x = 1, y = 2; + return { suffix: ", " }; + } + else if (ts.isParameter(before)) { + return ts.isParameter(inserted) ? { suffix: ", " } : {}; + } + else if (ts.isStringLiteral(before) && ts.isImportDeclaration(before.parent) || ts.isNamedImports(before)) { + return { suffix: ", " }; + } + else if (ts.isImportSpecifier(before)) { + return { suffix: "," + (blankLineBetween ? this.newLineCharacter : " ") }; + } + return ts.Debug.failBadSyntaxKind(before); // We haven't handled this kind of node yet -- add it + }; + ChangeTracker.prototype.insertNodeAtConstructorStart = function (sourceFile, ctr, newStatement) { + var firstStatement = ts.firstOrUndefined(ctr.body.statements); + if (!firstStatement || !ctr.body.multiLine) { + this.replaceConstructorBody(sourceFile, ctr, __spreadArray([newStatement], ctr.body.statements, true)); + } + else { + this.insertNodeBefore(sourceFile, firstStatement, newStatement); + } + }; + ChangeTracker.prototype.insertNodeAtConstructorStartAfterSuperCall = function (sourceFile, ctr, newStatement) { + var superCallStatement = ts.find(ctr.body.statements, function (stmt) { return ts.isExpressionStatement(stmt) && ts.isSuperCall(stmt.expression); }); + if (!superCallStatement || !ctr.body.multiLine) { + this.replaceConstructorBody(sourceFile, ctr, __spreadArray(__spreadArray([], ctr.body.statements, true), [newStatement], false)); + } + else { + this.insertNodeAfter(sourceFile, superCallStatement, newStatement); + } + }; + ChangeTracker.prototype.insertNodeAtConstructorEnd = function (sourceFile, ctr, newStatement) { + var lastStatement = ts.lastOrUndefined(ctr.body.statements); + if (!lastStatement || !ctr.body.multiLine) { + this.replaceConstructorBody(sourceFile, ctr, __spreadArray(__spreadArray([], ctr.body.statements, true), [newStatement], false)); + } + else { + this.insertNodeAfter(sourceFile, lastStatement, newStatement); + } + }; + ChangeTracker.prototype.replaceConstructorBody = function (sourceFile, ctr, statements) { + this.replaceNode(sourceFile, ctr.body, ts.factory.createBlock(statements, /*multiLine*/ true)); + }; + ChangeTracker.prototype.insertNodeAtEndOfScope = function (sourceFile, scope, newNode) { + var pos = getAdjustedStartPosition(sourceFile, scope.getLastToken(), {}); + this.insertNodeAt(sourceFile, pos, newNode, { + prefix: ts.isLineBreak(sourceFile.text.charCodeAt(scope.getLastToken().pos)) ? this.newLineCharacter : this.newLineCharacter + this.newLineCharacter, + suffix: this.newLineCharacter + }); + }; + ChangeTracker.prototype.insertMemberAtStart = function (sourceFile, node, newElement) { + this.insertNodeAtStartWorker(sourceFile, node, newElement); + }; + ChangeTracker.prototype.insertNodeAtObjectStart = function (sourceFile, obj, newElement) { + this.insertNodeAtStartWorker(sourceFile, obj, newElement); + }; + ChangeTracker.prototype.insertNodeAtStartWorker = function (sourceFile, node, newElement) { + var _a; + var indentation = (_a = this.guessIndentationFromExistingMembers(sourceFile, node)) !== null && _a !== void 0 ? _a : this.computeIndentationForNewMember(sourceFile, node); + this.insertNodeAt(sourceFile, getMembersOrProperties(node).pos, newElement, this.getInsertNodeAtStartInsertOptions(sourceFile, node, indentation)); + }; + /** + * Tries to guess the indentation from the existing members of a class/interface/object. All members must be on + * new lines and must share the same indentation. + */ + ChangeTracker.prototype.guessIndentationFromExistingMembers = function (sourceFile, node) { + var indentation; + var lastRange = node; + for (var _i = 0, _a = getMembersOrProperties(node); _i < _a.length; _i++) { + var member = _a[_i]; + if (ts.rangeStartPositionsAreOnSameLine(lastRange, member, sourceFile)) { + // each indented member must be on a new line + return undefined; + } + var memberStart = member.getStart(sourceFile); + var memberIndentation = ts.formatting.SmartIndenter.findFirstNonWhitespaceColumn(ts.getLineStartPositionForPosition(memberStart, sourceFile), memberStart, sourceFile, this.formatContext.options); + if (indentation === undefined) { + indentation = memberIndentation; + } + else if (memberIndentation !== indentation) { + // indentation of multiple members is not consistent + return undefined; + } + lastRange = member; + } + return indentation; + }; + ChangeTracker.prototype.computeIndentationForNewMember = function (sourceFile, node) { + var _a; + var nodeStart = node.getStart(sourceFile); + return ts.formatting.SmartIndenter.findFirstNonWhitespaceColumn(ts.getLineStartPositionForPosition(nodeStart, sourceFile), nodeStart, sourceFile, this.formatContext.options) + + ((_a = this.formatContext.options.indentSize) !== null && _a !== void 0 ? _a : 4); + }; + ChangeTracker.prototype.getInsertNodeAtStartInsertOptions = function (sourceFile, node, indentation) { + // Rules: + // - Always insert leading newline. + // - For object literals: + // - Add a trailing comma if there are existing members in the node, or the source file is not a JSON file + // (because trailing commas are generally illegal in a JSON file). + // - Add a leading comma if the source file is not a JSON file, there are existing insertions, + // and the node is empty (because we didn't add a trailing comma per the previous rule). + // - Only insert a trailing newline if body is single-line and there are no other insertions for the node. + // NOTE: This is handled in `finishClassesWithNodesInsertedAtStart`. + var members = getMembersOrProperties(node); + var isEmpty = members.length === 0; + var isFirstInsertion = ts.addToSeen(this.classesWithNodesInsertedAtStart, ts.getNodeId(node), { node: node, sourceFile: sourceFile }); + var insertTrailingComma = ts.isObjectLiteralExpression(node) && (!ts.isJsonSourceFile(sourceFile) || !isEmpty); + var insertLeadingComma = ts.isObjectLiteralExpression(node) && ts.isJsonSourceFile(sourceFile) && isEmpty && !isFirstInsertion; + return { + indentation: indentation, + prefix: (insertLeadingComma ? "," : "") + this.newLineCharacter, + suffix: insertTrailingComma ? "," : "" + }; + }; + ChangeTracker.prototype.insertNodeAfterComma = function (sourceFile, after, newNode) { + var endPosition = this.insertNodeAfterWorker(sourceFile, this.nextCommaToken(sourceFile, after) || after, newNode); + this.insertNodeAt(sourceFile, endPosition, newNode, this.getInsertNodeAfterOptions(sourceFile, after)); + }; + ChangeTracker.prototype.insertNodeAfter = function (sourceFile, after, newNode) { + var endPosition = this.insertNodeAfterWorker(sourceFile, after, newNode); + this.insertNodeAt(sourceFile, endPosition, newNode, this.getInsertNodeAfterOptions(sourceFile, after)); + }; + ChangeTracker.prototype.insertNodeAtEndOfList = function (sourceFile, list, newNode) { + this.insertNodeAt(sourceFile, list.end, newNode, { prefix: ", " }); + }; + ChangeTracker.prototype.insertNodesAfter = function (sourceFile, after, newNodes) { + var endPosition = this.insertNodeAfterWorker(sourceFile, after, ts.first(newNodes)); + this.insertNodesAt(sourceFile, endPosition, newNodes, this.getInsertNodeAfterOptions(sourceFile, after)); + }; + ChangeTracker.prototype.insertNodeAfterWorker = function (sourceFile, after, newNode) { + if (needSemicolonBetween(after, newNode)) { + // check if previous statement ends with semicolon + // if not - insert semicolon to preserve the code from changing the meaning due to ASI + if (sourceFile.text.charCodeAt(after.end - 1) !== 59 /* CharacterCodes.semicolon */) { + this.replaceRange(sourceFile, ts.createRange(after.end), ts.factory.createToken(26 /* SyntaxKind.SemicolonToken */)); + } + } + var endPosition = getAdjustedEndPosition(sourceFile, after, {}); + return endPosition; + }; + ChangeTracker.prototype.getInsertNodeAfterOptions = function (sourceFile, after) { + var options = this.getInsertNodeAfterOptionsWorker(after); + return __assign(__assign({}, options), { prefix: after.end === sourceFile.end && ts.isStatement(after) ? (options.prefix ? "\n".concat(options.prefix) : "\n") : options.prefix }); + }; + ChangeTracker.prototype.getInsertNodeAfterOptionsWorker = function (node) { + switch (node.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + return { prefix: this.newLineCharacter, suffix: this.newLineCharacter }; + case 254 /* SyntaxKind.VariableDeclaration */: + case 10 /* SyntaxKind.StringLiteral */: + case 79 /* SyntaxKind.Identifier */: + return { prefix: ", " }; + case 296 /* SyntaxKind.PropertyAssignment */: + return { suffix: "," + this.newLineCharacter }; + case 93 /* SyntaxKind.ExportKeyword */: + return { prefix: " " }; + case 164 /* SyntaxKind.Parameter */: + return {}; + default: + ts.Debug.assert(ts.isStatement(node) || ts.isClassOrTypeElement(node)); // Else we haven't handled this kind of node yet -- add it + return { suffix: this.newLineCharacter }; + } + }; + ChangeTracker.prototype.insertName = function (sourceFile, node, name) { + ts.Debug.assert(!node.name); + if (node.kind === 214 /* SyntaxKind.ArrowFunction */) { + var arrow = ts.findChildOfKind(node, 38 /* SyntaxKind.EqualsGreaterThanToken */, sourceFile); + var lparen = ts.findChildOfKind(node, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + if (lparen) { + // `() => {}` --> `function f() {}` + this.insertNodesAt(sourceFile, lparen.getStart(sourceFile), [ts.factory.createToken(98 /* SyntaxKind.FunctionKeyword */), ts.factory.createIdentifier(name)], { joiner: " " }); + deleteNode(this, sourceFile, arrow); + } + else { + // `x => {}` -> `function f(x) {}` + this.insertText(sourceFile, ts.first(node.parameters).getStart(sourceFile), "function ".concat(name, "(")); + // Replacing full range of arrow to get rid of the leading space -- replace ` =>` with `)` + this.replaceRange(sourceFile, arrow, ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */)); + } + if (node.body.kind !== 235 /* SyntaxKind.Block */) { + // `() => 0` => `function f() { return 0; }` + this.insertNodesAt(sourceFile, node.body.getStart(sourceFile), [ts.factory.createToken(18 /* SyntaxKind.OpenBraceToken */), ts.factory.createToken(105 /* SyntaxKind.ReturnKeyword */)], { joiner: " ", suffix: " " }); + this.insertNodesAt(sourceFile, node.body.end, [ts.factory.createToken(26 /* SyntaxKind.SemicolonToken */), ts.factory.createToken(19 /* SyntaxKind.CloseBraceToken */)], { joiner: " " }); + } + } + else { + var pos = ts.findChildOfKind(node, node.kind === 213 /* SyntaxKind.FunctionExpression */ ? 98 /* SyntaxKind.FunctionKeyword */ : 84 /* SyntaxKind.ClassKeyword */, sourceFile).end; + this.insertNodeAt(sourceFile, pos, ts.factory.createIdentifier(name), { prefix: " " }); + } + }; + ChangeTracker.prototype.insertExportModifier = function (sourceFile, node) { + this.insertText(sourceFile, node.getStart(sourceFile), "export "); + }; + ChangeTracker.prototype.insertImportSpecifierAtIndex = function (sourceFile, importSpecifier, namedImports, index) { + var prevSpecifier = namedImports.elements[index - 1]; + if (prevSpecifier) { + this.insertNodeInListAfter(sourceFile, prevSpecifier, importSpecifier); + } + else { + this.insertNodeBefore(sourceFile, namedImports.elements[0], importSpecifier, !ts.positionsAreOnSameLine(namedImports.elements[0].getStart(), namedImports.parent.parent.getStart(), sourceFile)); + } + }; + /** + * This function should be used to insert nodes in lists when nodes don't carry separators as the part of the node range, + * i.e. arguments in arguments lists, parameters in parameter lists etc. + * Note that separators are part of the node in statements and class elements. + */ + ChangeTracker.prototype.insertNodeInListAfter = function (sourceFile, after, newNode, containingList) { + if (containingList === void 0) { containingList = ts.formatting.SmartIndenter.getContainingList(after, sourceFile); } + if (!containingList) { + ts.Debug.fail("node is not a list element"); + return; + } + var index = ts.indexOfNode(containingList, after); + if (index < 0) { + return; + } + var end = after.getEnd(); + if (index !== containingList.length - 1) { + // any element except the last one + // use next sibling as an anchor + var nextToken = ts.getTokenAtPosition(sourceFile, after.end); + if (nextToken && isSeparator(after, nextToken)) { + // for list + // a, b, c + // create change for adding 'e' after 'a' as + // - find start of next element after a (it is b) + // - use next element start as start and end position in final change + // - build text of change by formatting the text of node + whitespace trivia of b + // in multiline case it will work as + // a, + // b, + // c, + // result - '*' denotes leading trivia that will be inserted after new text (displayed as '#') + // a, + // insertedtext# + // ###b, + // c, + var nextNode = containingList[index + 1]; + var startPos = skipWhitespacesAndLineBreaks(sourceFile.text, nextNode.getFullStart()); + // write separator and leading trivia of the next element as suffix + var suffix = "".concat(ts.tokenToString(nextToken.kind)).concat(sourceFile.text.substring(nextToken.end, startPos)); + this.insertNodesAt(sourceFile, startPos, [newNode], { suffix: suffix }); + } + } + else { + var afterStart = after.getStart(sourceFile); + var afterStartLinePosition = ts.getLineStartPositionForPosition(afterStart, sourceFile); + var separator = void 0; + var multilineList = false; + // insert element after the last element in the list that has more than one item + // pick the element preceding the after element to: + // - pick the separator + // - determine if list is a multiline + if (containingList.length === 1) { + // if list has only one element then we'll format is as multiline if node has comment in trailing trivia, or as singleline otherwise + // i.e. var x = 1 // this is x + // | new element will be inserted at this position + separator = 27 /* SyntaxKind.CommaToken */; + } + else { + // element has more than one element, pick separator from the list + var tokenBeforeInsertPosition = ts.findPrecedingToken(after.pos, sourceFile); + separator = isSeparator(after, tokenBeforeInsertPosition) ? tokenBeforeInsertPosition.kind : 27 /* SyntaxKind.CommaToken */; + // determine if list is multiline by checking lines of after element and element that precedes it. + var afterMinusOneStartLinePosition = ts.getLineStartPositionForPosition(containingList[index - 1].getStart(sourceFile), sourceFile); + multilineList = afterMinusOneStartLinePosition !== afterStartLinePosition; + } + if (hasCommentsBeforeLineBreak(sourceFile.text, after.end)) { + // in this case we'll always treat containing list as multiline + multilineList = true; + } + if (multilineList) { + // insert separator immediately following the 'after' node to preserve comments in trailing trivia + this.replaceRange(sourceFile, ts.createRange(end), ts.factory.createToken(separator)); + // use the same indentation as 'after' item + var indentation = ts.formatting.SmartIndenter.findFirstNonWhitespaceColumn(afterStartLinePosition, afterStart, sourceFile, this.formatContext.options); + // insert element before the line break on the line that contains 'after' element + var insertPos = ts.skipTrivia(sourceFile.text, end, /*stopAfterLineBreak*/ true, /*stopAtComments*/ false); + // find position before "\n" or "\r\n" + while (insertPos !== end && ts.isLineBreak(sourceFile.text.charCodeAt(insertPos - 1))) { + insertPos--; + } + this.replaceRange(sourceFile, ts.createRange(insertPos), newNode, { indentation: indentation, prefix: this.newLineCharacter }); + } + else { + this.replaceRange(sourceFile, ts.createRange(end), newNode, { prefix: "".concat(ts.tokenToString(separator), " ") }); + } + } + }; + ChangeTracker.prototype.parenthesizeExpression = function (sourceFile, expression) { + this.replaceRange(sourceFile, ts.rangeOfNode(expression), ts.factory.createParenthesizedExpression(expression)); + }; + ChangeTracker.prototype.finishClassesWithNodesInsertedAtStart = function () { + var _this = this; + this.classesWithNodesInsertedAtStart.forEach(function (_a) { + var node = _a.node, sourceFile = _a.sourceFile; + var _b = getClassOrObjectBraceEnds(node, sourceFile), openBraceEnd = _b[0], closeBraceEnd = _b[1]; + if (openBraceEnd !== undefined && closeBraceEnd !== undefined) { + var isEmpty = getMembersOrProperties(node).length === 0; + var isSingleLine = ts.positionsAreOnSameLine(openBraceEnd, closeBraceEnd, sourceFile); + if (isEmpty && isSingleLine && openBraceEnd !== closeBraceEnd - 1) { + // For `class C { }` remove the whitespace inside the braces. + _this.deleteRange(sourceFile, ts.createRange(openBraceEnd, closeBraceEnd - 1)); + } + if (isSingleLine) { + _this.insertText(sourceFile, closeBraceEnd - 1, _this.newLineCharacter); + } + } + }); + }; + ChangeTracker.prototype.finishDeleteDeclarations = function () { + var _this = this; + var deletedNodesInLists = new ts.Set(); // Stores nodes in lists that we already deleted. Used to avoid deleting `, ` twice in `a, b`. + var _loop_11 = function (sourceFile, node) { + if (!this_1.deletedNodes.some(function (d) { return d.sourceFile === sourceFile && ts.rangeContainsRangeExclusive(d.node, node); })) { + if (ts.isArray(node)) { + this_1.deleteRange(sourceFile, ts.rangeOfTypeParameters(sourceFile, node)); + } + else { + deleteDeclaration.deleteDeclaration(this_1, deletedNodesInLists, sourceFile, node); + } + } + }; + var this_1 = this; + for (var _i = 0, _a = this.deletedNodes; _i < _a.length; _i++) { + var _b = _a[_i], sourceFile = _b.sourceFile, node = _b.node; + _loop_11(sourceFile, node); + } + deletedNodesInLists.forEach(function (node) { + var sourceFile = node.getSourceFile(); + var list = ts.formatting.SmartIndenter.getContainingList(node, sourceFile); + if (node !== ts.last(list)) + return; + var lastNonDeletedIndex = ts.findLastIndex(list, function (n) { return !deletedNodesInLists.has(n); }, list.length - 2); + if (lastNonDeletedIndex !== -1) { + _this.deleteRange(sourceFile, { pos: list[lastNonDeletedIndex].end, end: startPositionToDeleteNodeInList(sourceFile, list[lastNonDeletedIndex + 1]) }); + } + }); + }; + /** + * Note: after calling this, the TextChanges object must be discarded! + * @param validate only for tests + * The reason we must validate as part of this method is that `getNonFormattedText` changes the node's positions, + * so we can only call this once and can't get the non-formatted text separately. + */ + ChangeTracker.prototype.getChanges = function (validate) { + this.finishDeleteDeclarations(); + this.finishClassesWithNodesInsertedAtStart(); + var changes = changesToText.getTextChangesFromChanges(this.changes, this.newLineCharacter, this.formatContext, validate); + for (var _i = 0, _a = this.newFiles; _i < _a.length; _i++) { + var _b = _a[_i], oldFile = _b.oldFile, fileName = _b.fileName, statements = _b.statements; + changes.push(changesToText.newFileChanges(oldFile, fileName, statements, this.newLineCharacter, this.formatContext)); + } + return changes; + }; + ChangeTracker.prototype.createNewFile = function (oldFile, fileName, statements) { + this.newFiles.push({ oldFile: oldFile, fileName: fileName, statements: statements }); + }; + return ChangeTracker; + }()); + textChanges_3.ChangeTracker = ChangeTracker; + function updateJSDocHost(parent) { + if (parent.kind !== 214 /* SyntaxKind.ArrowFunction */) { + return parent; + } + var jsDocNode = parent.parent.kind === 167 /* SyntaxKind.PropertyDeclaration */ ? + parent.parent : + parent.parent.parent; + jsDocNode.jsDoc = parent.jsDoc; + jsDocNode.jsDocCache = parent.jsDocCache; + return jsDocNode; + } + function tryMergeJsdocTags(oldTag, newTag) { + if (oldTag.kind !== newTag.kind) { + return undefined; + } + switch (oldTag.kind) { + case 340 /* SyntaxKind.JSDocParameterTag */: { + var oldParam = oldTag; + var newParam = newTag; + return ts.isIdentifier(oldParam.name) && ts.isIdentifier(newParam.name) && oldParam.name.escapedText === newParam.name.escapedText + ? ts.factory.createJSDocParameterTag(/*tagName*/ undefined, newParam.name, /*isBracketed*/ false, newParam.typeExpression, newParam.isNameFirst, oldParam.comment) + : undefined; + } + case 341 /* SyntaxKind.JSDocReturnTag */: + return ts.factory.createJSDocReturnTag(/*tagName*/ undefined, newTag.typeExpression, oldTag.comment); + case 343 /* SyntaxKind.JSDocTypeTag */: + return ts.factory.createJSDocTypeTag(/*tagName*/ undefined, newTag.typeExpression, oldTag.comment); + } + } + // find first non-whitespace position in the leading trivia of the node + function startPositionToDeleteNodeInList(sourceFile, node) { + return ts.skipTrivia(sourceFile.text, getAdjustedStartPosition(sourceFile, node, { leadingTriviaOption: LeadingTriviaOption.IncludeAll }), /*stopAfterLineBreak*/ false, /*stopAtComments*/ true); + } + function getClassOrObjectBraceEnds(cls, sourceFile) { + var open = ts.findChildOfKind(cls, 18 /* SyntaxKind.OpenBraceToken */, sourceFile); + var close = ts.findChildOfKind(cls, 19 /* SyntaxKind.CloseBraceToken */, sourceFile); + return [open === null || open === void 0 ? void 0 : open.end, close === null || close === void 0 ? void 0 : close.end]; + } + function getMembersOrProperties(node) { + return ts.isObjectLiteralExpression(node) ? node.properties : node.members; + } + function getNewFileText(statements, scriptKind, newLineCharacter, formatContext) { + return changesToText.newFileChangesWorker(/*oldFile*/ undefined, scriptKind, statements, newLineCharacter, formatContext); + } + textChanges_3.getNewFileText = getNewFileText; + var changesToText; + (function (changesToText) { + function getTextChangesFromChanges(changes, newLineCharacter, formatContext, validate) { + return ts.mapDefined(ts.group(changes, function (c) { return c.sourceFile.path; }), function (changesInFile) { + var sourceFile = changesInFile[0].sourceFile; + // order changes by start position + // If the start position is the same, put the shorter range first, since an empty range (x, x) may precede (x, y) but not vice-versa. + var normalized = ts.stableSort(changesInFile, function (a, b) { return (a.range.pos - b.range.pos) || (a.range.end - b.range.end); }); + var _loop_12 = function (i) { + ts.Debug.assert(normalized[i].range.end <= normalized[i + 1].range.pos, "Changes overlap", function () { + return "".concat(JSON.stringify(normalized[i].range), " and ").concat(JSON.stringify(normalized[i + 1].range)); + }); + }; + // verify that change intervals do not overlap, except possibly at end points. + for (var i = 0; i < normalized.length - 1; i++) { + _loop_12(i); + } + var textChanges = ts.mapDefined(normalized, function (c) { + var span = ts.createTextSpanFromRange(c.range); + var newText = computeNewText(c, sourceFile, newLineCharacter, formatContext, validate); + // Filter out redundant changes. + if (span.length === newText.length && ts.stringContainsAt(sourceFile.text, newText, span.start)) { + return undefined; + } + return ts.createTextChange(span, newText); + }); + return textChanges.length > 0 ? { fileName: sourceFile.fileName, textChanges: textChanges } : undefined; + }); + } + changesToText.getTextChangesFromChanges = getTextChangesFromChanges; + function newFileChanges(oldFile, fileName, statements, newLineCharacter, formatContext) { + var text = newFileChangesWorker(oldFile, ts.getScriptKindFromFileName(fileName), statements, newLineCharacter, formatContext); + return { fileName: fileName, textChanges: [ts.createTextChange(ts.createTextSpan(0, 0), text)], isNewFile: true }; + } + changesToText.newFileChanges = newFileChanges; + function newFileChangesWorker(oldFile, scriptKind, statements, newLineCharacter, formatContext) { + // TODO: this emits the file, parses it back, then formats it that -- may be a less roundabout way to do this + var nonFormattedText = statements.map(function (s) { return s === 4 /* SyntaxKind.NewLineTrivia */ ? "" : getNonformattedText(s, oldFile, newLineCharacter).text; }).join(newLineCharacter); + var sourceFile = ts.createSourceFile("any file name", nonFormattedText, 99 /* ScriptTarget.ESNext */, /*setParentNodes*/ true, scriptKind); + var changes = ts.formatting.formatDocument(sourceFile, formatContext); + return applyChanges(nonFormattedText, changes) + newLineCharacter; + } + changesToText.newFileChangesWorker = newFileChangesWorker; + function computeNewText(change, sourceFile, newLineCharacter, formatContext, validate) { + var _a; + if (change.kind === ChangeKind.Remove) { + return ""; + } + if (change.kind === ChangeKind.Text) { + return change.text; + } + var _b = change.options, options = _b === void 0 ? {} : _b, pos = change.range.pos; + var format = function (n) { return getFormattedTextOfNode(n, sourceFile, pos, options, newLineCharacter, formatContext, validate); }; + var text = change.kind === ChangeKind.ReplaceWithMultipleNodes + ? change.nodes.map(function (n) { return ts.removeSuffix(format(n), newLineCharacter); }).join(((_a = change.options) === null || _a === void 0 ? void 0 : _a.joiner) || newLineCharacter) + : format(change.node); + // strip initial indentation (spaces or tabs) if text will be inserted in the middle of the line + var noIndent = (options.indentation !== undefined || ts.getLineStartPositionForPosition(pos, sourceFile) === pos) ? text : text.replace(/^\s+/, ""); + return (options.prefix || "") + noIndent + + ((!options.suffix || ts.endsWith(noIndent, options.suffix)) + ? "" : options.suffix); + } + /** Note: this may mutate `nodeIn`. */ + function getFormattedTextOfNode(nodeIn, sourceFile, pos, _a, newLineCharacter, formatContext, validate) { + var indentation = _a.indentation, prefix = _a.prefix, delta = _a.delta; + var _b = getNonformattedText(nodeIn, sourceFile, newLineCharacter), node = _b.node, text = _b.text; + if (validate) + validate(node, text); + var formatOptions = ts.getFormatCodeSettingsForWriting(formatContext, sourceFile); + var initialIndentation = indentation !== undefined + ? indentation + : ts.formatting.SmartIndenter.getIndentation(pos, sourceFile, formatOptions, prefix === newLineCharacter || ts.getLineStartPositionForPosition(pos, sourceFile) === pos); + if (delta === undefined) { + delta = ts.formatting.SmartIndenter.shouldIndentChildNode(formatOptions, nodeIn) ? (formatOptions.indentSize || 0) : 0; + } + var file = { + text: text, + getLineAndCharacterOfPosition: function (pos) { + return ts.getLineAndCharacterOfPosition(this, pos); + } + }; + var changes = ts.formatting.formatNodeGivenIndentation(node, file, sourceFile.languageVariant, initialIndentation, delta, __assign(__assign({}, formatContext), { options: formatOptions })); + return applyChanges(text, changes); + } + /** Note: output node may be mutated input node. */ + function getNonformattedText(node, sourceFile, newLineCharacter) { + var writer = createWriter(newLineCharacter); + var newLine = ts.getNewLineKind(newLineCharacter); + ts.createPrinter({ + newLine: newLine, + neverAsciiEscape: true, + preserveSourceNewlines: true, + terminateUnterminatedLiterals: true + }, writer).writeNode(4 /* EmitHint.Unspecified */, node, sourceFile, writer); + return { text: writer.getText(), node: assignPositionsToNode(node) }; + } + changesToText.getNonformattedText = getNonformattedText; + })(changesToText || (changesToText = {})); + function applyChanges(text, changes) { + for (var i = changes.length - 1; i >= 0; i--) { + var _a = changes[i], span = _a.span, newText = _a.newText; + text = "".concat(text.substring(0, span.start)).concat(newText).concat(text.substring(ts.textSpanEnd(span))); + } + return text; + } + textChanges_3.applyChanges = applyChanges; + function isTrivia(s) { + return ts.skipTrivia(s, 0) === s.length; + } + // A transformation context that won't perform parenthesization, as some parenthesization rules + // are more aggressive than is strictly necessary. + var textChangesTransformationContext = __assign(__assign({}, ts.nullTransformationContext), { factory: ts.createNodeFactory(ts.nullTransformationContext.factory.flags | 1 /* NodeFactoryFlags.NoParenthesizerRules */, ts.nullTransformationContext.factory.baseFactory) }); + function assignPositionsToNode(node) { + var visited = ts.visitEachChild(node, assignPositionsToNode, textChangesTransformationContext, assignPositionsToNodeArray, assignPositionsToNode); + // create proxy node for non synthesized nodes + var newNode = ts.nodeIsSynthesized(visited) ? visited : Object.create(visited); + ts.setTextRangePosEnd(newNode, getPos(node), getEnd(node)); + return newNode; + } + textChanges_3.assignPositionsToNode = assignPositionsToNode; + function assignPositionsToNodeArray(nodes, visitor, test, start, count) { + var visited = ts.visitNodes(nodes, visitor, test, start, count); + if (!visited) { + return visited; + } + // clone nodearray if necessary + var nodeArray = visited === nodes ? ts.factory.createNodeArray(visited.slice(0)) : visited; + ts.setTextRangePosEnd(nodeArray, getPos(nodes), getEnd(nodes)); + return nodeArray; + } + function createWriter(newLine) { + var lastNonTriviaPosition = 0; + var writer = ts.createTextWriter(newLine); + var onBeforeEmitNode = function (node) { + if (node) { + setPos(node, lastNonTriviaPosition); + } + }; + var onAfterEmitNode = function (node) { + if (node) { + setEnd(node, lastNonTriviaPosition); + } + }; + var onBeforeEmitNodeArray = function (nodes) { + if (nodes) { + setPos(nodes, lastNonTriviaPosition); + } + }; + var onAfterEmitNodeArray = function (nodes) { + if (nodes) { + setEnd(nodes, lastNonTriviaPosition); + } + }; + var onBeforeEmitToken = function (node) { + if (node) { + setPos(node, lastNonTriviaPosition); + } + }; + var onAfterEmitToken = function (node) { + if (node) { + setEnd(node, lastNonTriviaPosition); + } + }; + function setLastNonTriviaPosition(s, force) { + if (force || !isTrivia(s)) { + lastNonTriviaPosition = writer.getTextPos(); + var i = 0; + while (ts.isWhiteSpaceLike(s.charCodeAt(s.length - i - 1))) { + i++; + } + // trim trailing whitespaces + lastNonTriviaPosition -= i; + } + } + function write(s) { + writer.write(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeComment(s) { + writer.writeComment(s); + } + function writeKeyword(s) { + writer.writeKeyword(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeOperator(s) { + writer.writeOperator(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writePunctuation(s) { + writer.writePunctuation(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeTrailingSemicolon(s) { + writer.writeTrailingSemicolon(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeParameter(s) { + writer.writeParameter(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeProperty(s) { + writer.writeProperty(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeSpace(s) { + writer.writeSpace(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeStringLiteral(s) { + writer.writeStringLiteral(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeSymbol(s, sym) { + writer.writeSymbol(s, sym); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeLine(force) { + writer.writeLine(force); + } + function increaseIndent() { + writer.increaseIndent(); + } + function decreaseIndent() { + writer.decreaseIndent(); + } + function getText() { + return writer.getText(); + } + function rawWrite(s) { + writer.rawWrite(s); + setLastNonTriviaPosition(s, /*force*/ false); + } + function writeLiteral(s) { + writer.writeLiteral(s); + setLastNonTriviaPosition(s, /*force*/ true); + } + function getTextPos() { + return writer.getTextPos(); + } + function getLine() { + return writer.getLine(); + } + function getColumn() { + return writer.getColumn(); + } + function getIndent() { + return writer.getIndent(); + } + function isAtStartOfLine() { + return writer.isAtStartOfLine(); + } + function clear() { + writer.clear(); + lastNonTriviaPosition = 0; + } + return { + onBeforeEmitNode: onBeforeEmitNode, + onAfterEmitNode: onAfterEmitNode, + onBeforeEmitNodeArray: onBeforeEmitNodeArray, + onAfterEmitNodeArray: onAfterEmitNodeArray, + onBeforeEmitToken: onBeforeEmitToken, + onAfterEmitToken: onAfterEmitToken, + write: write, + writeComment: writeComment, + writeKeyword: writeKeyword, + writeOperator: writeOperator, + writePunctuation: writePunctuation, + writeTrailingSemicolon: writeTrailingSemicolon, + writeParameter: writeParameter, + writeProperty: writeProperty, + writeSpace: writeSpace, + writeStringLiteral: writeStringLiteral, + writeSymbol: writeSymbol, + writeLine: writeLine, + increaseIndent: increaseIndent, + decreaseIndent: decreaseIndent, + getText: getText, + rawWrite: rawWrite, + writeLiteral: writeLiteral, + getTextPos: getTextPos, + getLine: getLine, + getColumn: getColumn, + getIndent: getIndent, + isAtStartOfLine: isAtStartOfLine, + hasTrailingComment: function () { return writer.hasTrailingComment(); }, + hasTrailingWhitespace: function () { return writer.hasTrailingWhitespace(); }, + clear: clear + }; + } + textChanges_3.createWriter = createWriter; + function getInsertionPositionAtSourceFileTop(sourceFile) { + var lastPrologue; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var node = _a[_i]; + if (ts.isPrologueDirective(node)) { + lastPrologue = node; + } + else { + break; + } + } + var position = 0; + var text = sourceFile.text; + if (lastPrologue) { + position = lastPrologue.end; + advancePastLineBreak(); + return position; + } + var shebang = ts.getShebang(text); + if (shebang !== undefined) { + position = shebang.length; + advancePastLineBreak(); + } + var ranges = ts.getLeadingCommentRanges(text, position); + if (!ranges) + return position; + // Find the first attached comment to the first node and add before it + var lastComment; + var firstNodeLine; + for (var _b = 0, ranges_1 = ranges; _b < ranges_1.length; _b++) { + var range = ranges_1[_b]; + if (range.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + if (ts.isPinnedComment(text, range.pos)) { + lastComment = { range: range, pinnedOrTripleSlash: true }; + continue; + } + } + else if (ts.isRecognizedTripleSlashComment(text, range.pos, range.end)) { + lastComment = { range: range, pinnedOrTripleSlash: true }; + continue; + } + if (lastComment) { + // Always insert after pinned or triple slash comments + if (lastComment.pinnedOrTripleSlash) + break; + // There was a blank line between the last comment and this comment. + // This comment is not part of the copyright comments + var commentLine = sourceFile.getLineAndCharacterOfPosition(range.pos).line; + var lastCommentEndLine = sourceFile.getLineAndCharacterOfPosition(lastComment.range.end).line; + if (commentLine >= lastCommentEndLine + 2) + break; + } + if (sourceFile.statements.length) { + if (firstNodeLine === undefined) + firstNodeLine = sourceFile.getLineAndCharacterOfPosition(sourceFile.statements[0].getStart()).line; + var commentEndLine = sourceFile.getLineAndCharacterOfPosition(range.end).line; + if (firstNodeLine < commentEndLine + 2) + break; + } + lastComment = { range: range, pinnedOrTripleSlash: false }; + } + if (lastComment) { + position = lastComment.range.end; + advancePastLineBreak(); + } + return position; + function advancePastLineBreak() { + if (position < text.length) { + var charCode = text.charCodeAt(position); + if (ts.isLineBreak(charCode)) { + position++; + if (position < text.length && charCode === 13 /* CharacterCodes.carriageReturn */ && text.charCodeAt(position) === 10 /* CharacterCodes.lineFeed */) { + position++; + } + } + } + } + } + function isValidLocationToAddComment(sourceFile, position) { + return !ts.isInComment(sourceFile, position) && !ts.isInString(sourceFile, position) && !ts.isInTemplateString(sourceFile, position) && !ts.isInJSXText(sourceFile, position); + } + textChanges_3.isValidLocationToAddComment = isValidLocationToAddComment; + function needSemicolonBetween(a, b) { + return (ts.isPropertySignature(a) || ts.isPropertyDeclaration(a)) && ts.isClassOrTypeElement(b) && b.name.kind === 162 /* SyntaxKind.ComputedPropertyName */ + || ts.isStatementButNotDeclaration(a) && ts.isStatementButNotDeclaration(b); // TODO: only if b would start with a `(` or `[` + } + var deleteDeclaration; + (function (deleteDeclaration_1) { + function deleteDeclaration(changes, deletedNodesInLists, sourceFile, node) { + switch (node.kind) { + case 164 /* SyntaxKind.Parameter */: { + var oldFunction = node.parent; + if (ts.isArrowFunction(oldFunction) && + oldFunction.parameters.length === 1 && + !ts.findChildOfKind(oldFunction, 20 /* SyntaxKind.OpenParenToken */, sourceFile)) { + // Lambdas with exactly one parameter are special because, after removal, there + // must be an empty parameter list (i.e. `()`) and this won't necessarily be the + // case if the parameter is simply removed (e.g. in `x => 1`). + changes.replaceNodeWithText(sourceFile, node, "()"); + } + else { + deleteNodeInList(changes, deletedNodesInLists, sourceFile, node); + } + break; + } + case 266 /* SyntaxKind.ImportDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + var isFirstImport = sourceFile.imports.length && node === ts.first(sourceFile.imports).parent || node === ts.find(sourceFile.statements, ts.isAnyImportSyntax); + // For first import, leave header comment in place, otherwise only delete JSDoc comments + deleteNode(changes, sourceFile, node, { + leadingTriviaOption: isFirstImport ? LeadingTriviaOption.Exclude : ts.hasJSDocNodes(node) ? LeadingTriviaOption.JSDoc : LeadingTriviaOption.StartLine, + }); + break; + case 203 /* SyntaxKind.BindingElement */: + var pattern = node.parent; + var preserveComma = pattern.kind === 202 /* SyntaxKind.ArrayBindingPattern */ && node !== ts.last(pattern.elements); + if (preserveComma) { + deleteNode(changes, sourceFile, node); + } + else { + deleteNodeInList(changes, deletedNodesInLists, sourceFile, node); + } + break; + case 254 /* SyntaxKind.VariableDeclaration */: + deleteVariableDeclaration(changes, deletedNodesInLists, sourceFile, node); + break; + case 163 /* SyntaxKind.TypeParameter */: + deleteNodeInList(changes, deletedNodesInLists, sourceFile, node); + break; + case 270 /* SyntaxKind.ImportSpecifier */: + var namedImports = node.parent; + if (namedImports.elements.length === 1) { + deleteImportBinding(changes, sourceFile, namedImports); + } + else { + deleteNodeInList(changes, deletedNodesInLists, sourceFile, node); + } + break; + case 268 /* SyntaxKind.NamespaceImport */: + deleteImportBinding(changes, sourceFile, node); + break; + case 26 /* SyntaxKind.SemicolonToken */: + deleteNode(changes, sourceFile, node, { trailingTriviaOption: TrailingTriviaOption.Exclude }); + break; + case 98 /* SyntaxKind.FunctionKeyword */: + deleteNode(changes, sourceFile, node, { leadingTriviaOption: LeadingTriviaOption.Exclude }); + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + deleteNode(changes, sourceFile, node, { leadingTriviaOption: ts.hasJSDocNodes(node) ? LeadingTriviaOption.JSDoc : LeadingTriviaOption.StartLine }); + break; + default: + if (!node.parent) { + // a misbehaving client can reach here with the SourceFile node + deleteNode(changes, sourceFile, node); + } + else if (ts.isImportClause(node.parent) && node.parent.name === node) { + deleteDefaultImport(changes, sourceFile, node.parent); + } + else if (ts.isCallExpression(node.parent) && ts.contains(node.parent.arguments, node)) { + deleteNodeInList(changes, deletedNodesInLists, sourceFile, node); + } + else { + deleteNode(changes, sourceFile, node); + } + } + } + deleteDeclaration_1.deleteDeclaration = deleteDeclaration; + function deleteDefaultImport(changes, sourceFile, importClause) { + if (!importClause.namedBindings) { + // Delete the whole import + deleteNode(changes, sourceFile, importClause.parent); + } + else { + // import |d,| * as ns from './file' + var start = importClause.name.getStart(sourceFile); + var nextToken = ts.getTokenAtPosition(sourceFile, importClause.name.end); + if (nextToken && nextToken.kind === 27 /* SyntaxKind.CommaToken */) { + // shift first non-whitespace position after comma to the start position of the node + var end = ts.skipTrivia(sourceFile.text, nextToken.end, /*stopAfterLineBreaks*/ false, /*stopAtComments*/ true); + changes.deleteRange(sourceFile, { pos: start, end: end }); + } + else { + deleteNode(changes, sourceFile, importClause.name); + } + } + } + function deleteImportBinding(changes, sourceFile, node) { + if (node.parent.name) { + // Delete named imports while preserving the default import + // import d|, * as ns| from './file' + // import d|, { a }| from './file' + var previousToken = ts.Debug.checkDefined(ts.getTokenAtPosition(sourceFile, node.pos - 1)); + changes.deleteRange(sourceFile, { pos: previousToken.getStart(sourceFile), end: node.end }); + } + else { + // Delete the entire import declaration + // |import * as ns from './file'| + // |import { a } from './file'| + var importDecl = ts.getAncestor(node, 266 /* SyntaxKind.ImportDeclaration */); + deleteNode(changes, sourceFile, importDecl); + } + } + function deleteVariableDeclaration(changes, deletedNodesInLists, sourceFile, node) { + var parent = node.parent; + if (parent.kind === 292 /* SyntaxKind.CatchClause */) { + // TODO: There's currently no unused diagnostic for this, could be a suggestion + changes.deleteNodeRange(sourceFile, ts.findChildOfKind(parent, 20 /* SyntaxKind.OpenParenToken */, sourceFile), ts.findChildOfKind(parent, 21 /* SyntaxKind.CloseParenToken */, sourceFile)); + return; + } + if (parent.declarations.length !== 1) { + deleteNodeInList(changes, deletedNodesInLists, sourceFile, node); + return; + } + var gp = parent.parent; + switch (gp.kind) { + case 244 /* SyntaxKind.ForOfStatement */: + case 243 /* SyntaxKind.ForInStatement */: + changes.replaceNode(sourceFile, node, ts.factory.createObjectLiteralExpression()); + break; + case 242 /* SyntaxKind.ForStatement */: + deleteNode(changes, sourceFile, parent); + break; + case 237 /* SyntaxKind.VariableStatement */: + deleteNode(changes, sourceFile, gp, { leadingTriviaOption: ts.hasJSDocNodes(gp) ? LeadingTriviaOption.JSDoc : LeadingTriviaOption.StartLine }); + break; + default: + ts.Debug.assertNever(gp); + } + } + })(deleteDeclaration || (deleteDeclaration = {})); + /** Warning: This deletes comments too. See `copyComments` in `convertFunctionToEs6Class`. */ + // Exported for tests only! (TODO: improve tests to not need this) + function deleteNode(changes, sourceFile, node, options) { + if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; } + var startPosition = getAdjustedStartPosition(sourceFile, node, options); + var endPosition = getAdjustedEndPosition(sourceFile, node, options); + changes.deleteRange(sourceFile, { pos: startPosition, end: endPosition }); + } + textChanges_3.deleteNode = deleteNode; + function deleteNodeInList(changes, deletedNodesInLists, sourceFile, node) { + var containingList = ts.Debug.checkDefined(ts.formatting.SmartIndenter.getContainingList(node, sourceFile)); + var index = ts.indexOfNode(containingList, node); + ts.Debug.assert(index !== -1); + if (containingList.length === 1) { + deleteNode(changes, sourceFile, node); + return; + } + // Note: We will only delete a comma *after* a node. This will leave a trailing comma if we delete the last node. + // That's handled in the end by `finishTrailingCommaAfterDeletingNodesInList`. + ts.Debug.assert(!deletedNodesInLists.has(node), "Deleting a node twice"); + deletedNodesInLists.add(node); + changes.deleteRange(sourceFile, { + pos: startPositionToDeleteNodeInList(sourceFile, node), + end: index === containingList.length - 1 ? getAdjustedEndPosition(sourceFile, node, {}) : startPositionToDeleteNodeInList(sourceFile, containingList[index + 1]), + }); + } + })(textChanges = ts.textChanges || (ts.textChanges = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodeToFixes = ts.createMultiMap(); + var fixIdToRegistration = new ts.Map(); + function createCodeFixActionWithoutFixAll(fixName, changes, description) { + return createCodeFixActionWorker(fixName, ts.diagnosticToString(description), changes, /*fixId*/ undefined, /*fixAllDescription*/ undefined); + } + codefix.createCodeFixActionWithoutFixAll = createCodeFixActionWithoutFixAll; + function createCodeFixAction(fixName, changes, description, fixId, fixAllDescription, command) { + return createCodeFixActionWorker(fixName, ts.diagnosticToString(description), changes, fixId, ts.diagnosticToString(fixAllDescription), command); + } + codefix.createCodeFixAction = createCodeFixAction; + function createCodeFixActionMaybeFixAll(fixName, changes, description, fixId, fixAllDescription, command) { + return createCodeFixActionWorker(fixName, ts.diagnosticToString(description), changes, fixId, fixAllDescription && ts.diagnosticToString(fixAllDescription), command); + } + codefix.createCodeFixActionMaybeFixAll = createCodeFixActionMaybeFixAll; + function createCodeFixActionWorker(fixName, description, changes, fixId, fixAllDescription, command) { + return { fixName: fixName, description: description, changes: changes, fixId: fixId, fixAllDescription: fixAllDescription, commands: command ? [command] : undefined }; + } + function registerCodeFix(reg) { + for (var _i = 0, _a = reg.errorCodes; _i < _a.length; _i++) { + var error = _a[_i]; + errorCodeToFixes.add(String(error), reg); + } + if (reg.fixIds) { + for (var _b = 0, _c = reg.fixIds; _b < _c.length; _b++) { + var fixId = _c[_b]; + ts.Debug.assert(!fixIdToRegistration.has(fixId)); + fixIdToRegistration.set(fixId, reg); + } + } + } + codefix.registerCodeFix = registerCodeFix; + function getSupportedErrorCodes() { + return ts.arrayFrom(errorCodeToFixes.keys()); + } + codefix.getSupportedErrorCodes = getSupportedErrorCodes; + function removeFixIdIfFixAllUnavailable(registration, diagnostics) { + var errorCodes = registration.errorCodes; + var maybeFixableDiagnostics = 0; + for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { + var diag = diagnostics_1[_i]; + if (ts.contains(errorCodes, diag.code)) + maybeFixableDiagnostics++; + if (maybeFixableDiagnostics > 1) + break; + } + var fixAllUnavailable = maybeFixableDiagnostics < 2; + return function (_a) { + var fixId = _a.fixId, fixAllDescription = _a.fixAllDescription, action = __rest(_a, ["fixId", "fixAllDescription"]); + return fixAllUnavailable ? action : __assign(__assign({}, action), { fixId: fixId, fixAllDescription: fixAllDescription }); + }; + } + function getFixes(context) { + var diagnostics = getDiagnostics(context); + var registrations = errorCodeToFixes.get(String(context.errorCode)); + return ts.flatMap(registrations, function (f) { return ts.map(f.getCodeActions(context), removeFixIdIfFixAllUnavailable(f, diagnostics)); }); + } + codefix.getFixes = getFixes; + function getAllFixes(context) { + // Currently fixId is always a string. + return fixIdToRegistration.get(ts.cast(context.fixId, ts.isString)).getAllCodeActions(context); + } + codefix.getAllFixes = getAllFixes; + function createCombinedCodeActions(changes, commands) { + return { changes: changes, commands: commands }; + } + codefix.createCombinedCodeActions = createCombinedCodeActions; + function createFileTextChanges(fileName, textChanges) { + return { fileName: fileName, textChanges: textChanges }; + } + codefix.createFileTextChanges = createFileTextChanges; + function codeFixAll(context, errorCodes, use) { + var commands = []; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return eachDiagnostic(context, errorCodes, function (diag) { return use(t, diag, commands); }); }); + return createCombinedCodeActions(changes, commands.length === 0 ? undefined : commands); + } + codefix.codeFixAll = codeFixAll; + function eachDiagnostic(context, errorCodes, cb) { + for (var _i = 0, _a = getDiagnostics(context); _i < _a.length; _i++) { + var diag = _a[_i]; + if (ts.contains(errorCodes, diag.code)) { + cb(diag); + } + } + } + codefix.eachDiagnostic = eachDiagnostic; + function getDiagnostics(_a) { + var program = _a.program, sourceFile = _a.sourceFile, cancellationToken = _a.cancellationToken; + return __spreadArray(__spreadArray(__spreadArray([], program.getSemanticDiagnostics(sourceFile, cancellationToken), true), program.getSyntacticDiagnostics(sourceFile, cancellationToken), true), ts.computeSuggestionDiagnostics(sourceFile, program, cancellationToken), true); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor_1) { + // A map with the refactor code as key, the refactor itself as value + // e.g. nonSuggestableRefactors[refactorCode] -> the refactor you want + var refactors = new ts.Map(); + /** @param name An unique code associated with each refactor. Does not have to be human-readable. */ + function registerRefactor(name, refactor) { + refactors.set(name, refactor); + } + refactor_1.registerRefactor = registerRefactor; + function getApplicableRefactors(context) { + return ts.arrayFrom(ts.flatMapIterator(refactors.values(), function (refactor) { + var _a; + return context.cancellationToken && context.cancellationToken.isCancellationRequested() || + !((_a = refactor.kinds) === null || _a === void 0 ? void 0 : _a.some(function (kind) { return refactor_1.refactorKindBeginsWith(kind, context.kind); })) ? undefined : + refactor.getAvailableActions(context); + })); + } + refactor_1.getApplicableRefactors = getApplicableRefactors; + function getEditsForRefactor(context, refactorName, actionName) { + var refactor = refactors.get(refactorName); + return refactor && refactor.getEditsForAction(context, actionName); + } + refactor_1.getEditsForRefactor = getEditsForRefactor; + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addConvertToUnknownForNonOverlappingTypes"; + var errorCodes = [ts.Diagnostics.Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the_other_If_this_was_intentional_convert_the_expression_to_unknown_first.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddConvertToUnknownForNonOverlappingTypes(context) { + var assertion = getAssertion(context.sourceFile, context.span.start); + if (assertion === undefined) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, assertion); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_unknown_conversion_for_non_overlapping_types, fixId, ts.Diagnostics.Add_unknown_to_all_conversions_of_non_overlapping_types)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var assertion = getAssertion(diag.file, diag.start); + if (assertion) { + makeChange(changes, diag.file, assertion); + } + }); }, + }); + function makeChange(changeTracker, sourceFile, assertion) { + var replacement = ts.isAsExpression(assertion) + ? ts.factory.createAsExpression(assertion.expression, ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */)) + : ts.factory.createTypeAssertion(ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */), assertion.expression); + changeTracker.replaceNode(sourceFile, assertion.expression, replacement); + } + function getAssertion(sourceFile, pos) { + if (ts.isInJSFile(sourceFile)) + return undefined; + return ts.findAncestor(ts.getTokenAtPosition(sourceFile, pos), function (n) { return ts.isAsExpression(n) || ts.isTypeAssertionExpression(n); }); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + codefix.registerCodeFix({ + errorCodes: [ + ts.Diagnostics.await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module.code, + ts.Diagnostics.for_await_loops_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module.code, + ], + getCodeActions: function getCodeActionsToAddEmptyExportDeclaration(context) { + var sourceFile = context.sourceFile; + var changes = ts.textChanges.ChangeTracker.with(context, function (changes) { + var exportDeclaration = ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, ts.factory.createNamedExports([]), + /*moduleSpecifier*/ undefined); + changes.insertNodeAtEndOfScope(sourceFile, sourceFile, exportDeclaration); + }); + return [codefix.createCodeFixActionWithoutFixAll("addEmptyExportDeclaration", changes, ts.Diagnostics.Add_export_to_make_this_file_into_a_module)]; + }, + }); + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addMissingAsync"; + var errorCodes = [ + ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code, + ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code, + ts.Diagnostics.Type_0_is_not_comparable_to_type_1.code + ]; + codefix.registerCodeFix({ + fixIds: [fixId], + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddMissingAsync(context) { + var sourceFile = context.sourceFile, errorCode = context.errorCode, cancellationToken = context.cancellationToken, program = context.program, span = context.span; + var diagnostic = ts.find(program.getTypeChecker().getDiagnostics(sourceFile, cancellationToken), getIsMatchingAsyncError(span, errorCode)); + var directSpan = diagnostic && diagnostic.relatedInformation && ts.find(diagnostic.relatedInformation, function (r) { return r.code === ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async.code; }); + var decl = getFixableErrorSpanDeclaration(sourceFile, directSpan); + if (!decl) { + return; + } + var trackChanges = function (cb) { return ts.textChanges.ChangeTracker.with(context, cb); }; + return [getFix(context, decl, trackChanges)]; + }, + getAllCodeActions: function (context) { + var sourceFile = context.sourceFile; + var fixedDeclarations = new ts.Set(); + return codefix.codeFixAll(context, errorCodes, function (t, diagnostic) { + var span = diagnostic.relatedInformation && ts.find(diagnostic.relatedInformation, function (r) { return r.code === ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async.code; }); + var decl = getFixableErrorSpanDeclaration(sourceFile, span); + if (!decl) { + return; + } + var trackChanges = function (cb) { return (cb(t), []); }; + return getFix(context, decl, trackChanges, fixedDeclarations); + }); + }, + }); + function getFix(context, decl, trackChanges, fixedDeclarations) { + var changes = trackChanges(function (t) { return makeChange(t, context.sourceFile, decl, fixedDeclarations); }); + return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_async_modifier_to_containing_function, fixId, ts.Diagnostics.Add_all_missing_async_modifiers); + } + function makeChange(changeTracker, sourceFile, insertionSite, fixedDeclarations) { + if (fixedDeclarations) { + if (fixedDeclarations.has(ts.getNodeId(insertionSite))) { + return; + } + } + fixedDeclarations === null || fixedDeclarations === void 0 ? void 0 : fixedDeclarations.add(ts.getNodeId(insertionSite)); + var cloneWithModifier = ts.factory.updateModifiers(ts.getSynthesizedDeepClone(insertionSite, /*includeTrivia*/ true), ts.factory.createNodeArray(ts.factory.createModifiersFromModifierFlags(ts.getSyntacticModifierFlags(insertionSite) | 256 /* ModifierFlags.Async */))); + changeTracker.replaceNode(sourceFile, insertionSite, cloneWithModifier); + } + function getFixableErrorSpanDeclaration(sourceFile, span) { + if (!span) + return undefined; + var token = ts.getTokenAtPosition(sourceFile, span.start); + // Checker has already done work to determine that async might be possible, and has attached + // related info to the node, so start by finding the signature that exactly matches up + // with the diagnostic range. + var decl = ts.findAncestor(token, function (node) { + if (node.getStart(sourceFile) < span.start || node.getEnd() > ts.textSpanEnd(span)) { + return "quit"; + } + return (ts.isArrowFunction(node) || ts.isMethodDeclaration(node) || ts.isFunctionExpression(node) || ts.isFunctionDeclaration(node)) && ts.textSpansEqual(span, ts.createTextSpanFromNode(node, sourceFile)); + }); + return decl; + } + function getIsMatchingAsyncError(span, errorCode) { + return function (_a) { + var start = _a.start, length = _a.length, relatedInformation = _a.relatedInformation, code = _a.code; + return ts.isNumber(start) && ts.isNumber(length) && ts.textSpansEqual({ start: start, length: length }, span) && + code === errorCode && + !!relatedInformation && + ts.some(relatedInformation, function (related) { return related.code === ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async.code; }); + }; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addMissingAwait"; + var propertyAccessCode = ts.Diagnostics.Property_0_does_not_exist_on_type_1.code; + var callableConstructableErrorCodes = [ + ts.Diagnostics.This_expression_is_not_callable.code, + ts.Diagnostics.This_expression_is_not_constructable.code, + ]; + var errorCodes = __spreadArray([ + ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type.code, + ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type.code, + ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type.code, + ts.Diagnostics.Operator_0_cannot_be_applied_to_type_1.code, + ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2.code, + ts.Diagnostics.This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap.code, + ts.Diagnostics.This_condition_will_always_return_true_since_this_0_is_always_defined.code, + ts.Diagnostics.Type_0_is_not_an_array_type.code, + ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type.code, + ts.Diagnostics.Type_0_can_only_be_iterated_through_when_using_the_downlevelIteration_flag_or_with_a_target_of_es2015_or_higher.code, + ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator.code, + ts.Diagnostics.Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator.code, + ts.Diagnostics.Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator.code, + ts.Diagnostics.Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator.code, + ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code, + propertyAccessCode + ], callableConstructableErrorCodes, true); + codefix.registerCodeFix({ + fixIds: [fixId], + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddMissingAwait(context) { + var sourceFile = context.sourceFile, errorCode = context.errorCode, span = context.span, cancellationToken = context.cancellationToken, program = context.program; + var expression = getAwaitErrorSpanExpression(sourceFile, errorCode, span, cancellationToken, program); + if (!expression) { + return; + } + var checker = context.program.getTypeChecker(); + var trackChanges = function (cb) { return ts.textChanges.ChangeTracker.with(context, cb); }; + return ts.compact([ + getDeclarationSiteFix(context, expression, errorCode, checker, trackChanges), + getUseSiteFix(context, expression, errorCode, checker, trackChanges) + ]); + }, + getAllCodeActions: function (context) { + var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken; + var checker = context.program.getTypeChecker(); + var fixedDeclarations = new ts.Set(); + return codefix.codeFixAll(context, errorCodes, function (t, diagnostic) { + var expression = getAwaitErrorSpanExpression(sourceFile, diagnostic.code, diagnostic, cancellationToken, program); + if (!expression) { + return; + } + var trackChanges = function (cb) { return (cb(t), []); }; + return getDeclarationSiteFix(context, expression, diagnostic.code, checker, trackChanges, fixedDeclarations) + || getUseSiteFix(context, expression, diagnostic.code, checker, trackChanges, fixedDeclarations); + }); + }, + }); + function getAwaitErrorSpanExpression(sourceFile, errorCode, span, cancellationToken, program) { + var expression = ts.getFixableErrorSpanExpression(sourceFile, span); + return expression + && isMissingAwaitError(sourceFile, errorCode, span, cancellationToken, program) + && isInsideAwaitableBody(expression) ? expression : undefined; + } + function getDeclarationSiteFix(context, expression, errorCode, checker, trackChanges, fixedDeclarations) { + var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken; + var awaitableInitializers = findAwaitableInitializers(expression, sourceFile, cancellationToken, program, checker); + if (awaitableInitializers) { + var initializerChanges = trackChanges(function (t) { + ts.forEach(awaitableInitializers.initializers, function (_a) { + var expression = _a.expression; + return makeChange(t, errorCode, sourceFile, checker, expression, fixedDeclarations); + }); + if (fixedDeclarations && awaitableInitializers.needsSecondPassForFixAll) { + makeChange(t, errorCode, sourceFile, checker, expression, fixedDeclarations); + } + }); + // No fix-all because it will already be included once with the use site fix, + // and for simplicity the fix-all doesn‘t let the user choose between use-site and declaration-site fixes. + return codefix.createCodeFixActionWithoutFixAll("addMissingAwaitToInitializer", initializerChanges, awaitableInitializers.initializers.length === 1 + ? [ts.Diagnostics.Add_await_to_initializer_for_0, awaitableInitializers.initializers[0].declarationSymbol.name] + : ts.Diagnostics.Add_await_to_initializers); + } + } + function getUseSiteFix(context, expression, errorCode, checker, trackChanges, fixedDeclarations) { + var changes = trackChanges(function (t) { return makeChange(t, errorCode, context.sourceFile, checker, expression, fixedDeclarations); }); + return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_await, fixId, ts.Diagnostics.Fix_all_expressions_possibly_missing_await); + } + function isMissingAwaitError(sourceFile, errorCode, span, cancellationToken, program) { + var checker = program.getTypeChecker(); + var diagnostics = checker.getDiagnostics(sourceFile, cancellationToken); + return ts.some(diagnostics, function (_a) { + var start = _a.start, length = _a.length, relatedInformation = _a.relatedInformation, code = _a.code; + return ts.isNumber(start) && ts.isNumber(length) && ts.textSpansEqual({ start: start, length: length }, span) && + code === errorCode && + !!relatedInformation && + ts.some(relatedInformation, function (related) { return related.code === ts.Diagnostics.Did_you_forget_to_use_await.code; }); + }); + } + function findAwaitableInitializers(expression, sourceFile, cancellationToken, program, checker) { + var identifiers = getIdentifiersFromErrorSpanExpression(expression, checker); + if (!identifiers) { + return; + } + var isCompleteFix = identifiers.isCompleteFix; + var initializers; + var _loop_13 = function (identifier) { + var symbol = checker.getSymbolAtLocation(identifier); + if (!symbol) { + return "continue"; + } + var declaration = ts.tryCast(symbol.valueDeclaration, ts.isVariableDeclaration); + var variableName = declaration && ts.tryCast(declaration.name, ts.isIdentifier); + var variableStatement = ts.getAncestor(declaration, 237 /* SyntaxKind.VariableStatement */); + if (!declaration || !variableStatement || + declaration.type || + !declaration.initializer || + variableStatement.getSourceFile() !== sourceFile || + ts.hasSyntacticModifier(variableStatement, 1 /* ModifierFlags.Export */) || + !variableName || + !isInsideAwaitableBody(declaration.initializer)) { + isCompleteFix = false; + return "continue"; + } + var diagnostics = program.getSemanticDiagnostics(sourceFile, cancellationToken); + var isUsedElsewhere = ts.FindAllReferences.Core.eachSymbolReferenceInFile(variableName, checker, sourceFile, function (reference) { + return identifier !== reference && !symbolReferenceIsAlsoMissingAwait(reference, diagnostics, sourceFile, checker); + }); + if (isUsedElsewhere) { + isCompleteFix = false; + return "continue"; + } + (initializers || (initializers = [])).push({ + expression: declaration.initializer, + declarationSymbol: symbol, + }); + }; + for (var _i = 0, _a = identifiers.identifiers; _i < _a.length; _i++) { + var identifier = _a[_i]; + _loop_13(identifier); + } + return initializers && { + initializers: initializers, + needsSecondPassForFixAll: !isCompleteFix, + }; + } + function getIdentifiersFromErrorSpanExpression(expression, checker) { + if (ts.isPropertyAccessExpression(expression.parent) && ts.isIdentifier(expression.parent.expression)) { + return { identifiers: [expression.parent.expression], isCompleteFix: true }; + } + if (ts.isIdentifier(expression)) { + return { identifiers: [expression], isCompleteFix: true }; + } + if (ts.isBinaryExpression(expression)) { + var sides = void 0; + var isCompleteFix = true; + for (var _i = 0, _a = [expression.left, expression.right]; _i < _a.length; _i++) { + var side = _a[_i]; + var type = checker.getTypeAtLocation(side); + if (checker.getPromisedTypeOfPromise(type)) { + if (!ts.isIdentifier(side)) { + isCompleteFix = false; + continue; + } + (sides || (sides = [])).push(side); + } + } + return sides && { identifiers: sides, isCompleteFix: isCompleteFix }; + } + } + function symbolReferenceIsAlsoMissingAwait(reference, diagnostics, sourceFile, checker) { + var errorNode = ts.isPropertyAccessExpression(reference.parent) ? reference.parent.name : + ts.isBinaryExpression(reference.parent) ? reference.parent : + reference; + var diagnostic = ts.find(diagnostics, function (diagnostic) { + return diagnostic.start === errorNode.getStart(sourceFile) && + (diagnostic.start + diagnostic.length) === errorNode.getEnd(); + }); + return diagnostic && ts.contains(errorCodes, diagnostic.code) || + // A Promise is usually not correct in a binary expression (it’s not valid + // in an arithmetic expression and an equality comparison seems unusual), + // but if the other side of the binary expression has an error, the side + // is typed `any` which will squash the error that would identify this + // Promise as an invalid operand. So if the whole binary expression is + // typed `any` as a result, there is a strong likelihood that this Promise + // is accidentally missing `await`. + checker.getTypeAtLocation(errorNode).flags & 1 /* TypeFlags.Any */; + } + function isInsideAwaitableBody(node) { + return node.kind & 32768 /* NodeFlags.AwaitContext */ || !!ts.findAncestor(node, function (ancestor) { + return ancestor.parent && ts.isArrowFunction(ancestor.parent) && ancestor.parent.body === ancestor || + ts.isBlock(ancestor) && (ancestor.parent.kind === 256 /* SyntaxKind.FunctionDeclaration */ || + ancestor.parent.kind === 213 /* SyntaxKind.FunctionExpression */ || + ancestor.parent.kind === 214 /* SyntaxKind.ArrowFunction */ || + ancestor.parent.kind === 169 /* SyntaxKind.MethodDeclaration */); + }); + } + function makeChange(changeTracker, errorCode, sourceFile, checker, insertionSite, fixedDeclarations) { + if (ts.isBinaryExpression(insertionSite)) { + for (var _i = 0, _a = [insertionSite.left, insertionSite.right]; _i < _a.length; _i++) { + var side = _a[_i]; + if (fixedDeclarations && ts.isIdentifier(side)) { + var symbol = checker.getSymbolAtLocation(side); + if (symbol && fixedDeclarations.has(ts.getSymbolId(symbol))) { + continue; + } + } + var type = checker.getTypeAtLocation(side); + var newNode = checker.getPromisedTypeOfPromise(type) ? ts.factory.createAwaitExpression(side) : side; + changeTracker.replaceNode(sourceFile, side, newNode); + } + } + else if (errorCode === propertyAccessCode && ts.isPropertyAccessExpression(insertionSite.parent)) { + if (fixedDeclarations && ts.isIdentifier(insertionSite.parent.expression)) { + var symbol = checker.getSymbolAtLocation(insertionSite.parent.expression); + if (symbol && fixedDeclarations.has(ts.getSymbolId(symbol))) { + return; + } + } + changeTracker.replaceNode(sourceFile, insertionSite.parent.expression, ts.factory.createParenthesizedExpression(ts.factory.createAwaitExpression(insertionSite.parent.expression))); + insertLeadingSemicolonIfNeeded(changeTracker, insertionSite.parent.expression, sourceFile); + } + else if (ts.contains(callableConstructableErrorCodes, errorCode) && ts.isCallOrNewExpression(insertionSite.parent)) { + if (fixedDeclarations && ts.isIdentifier(insertionSite)) { + var symbol = checker.getSymbolAtLocation(insertionSite); + if (symbol && fixedDeclarations.has(ts.getSymbolId(symbol))) { + return; + } + } + changeTracker.replaceNode(sourceFile, insertionSite, ts.factory.createParenthesizedExpression(ts.factory.createAwaitExpression(insertionSite))); + insertLeadingSemicolonIfNeeded(changeTracker, insertionSite, sourceFile); + } + else { + if (fixedDeclarations && ts.isVariableDeclaration(insertionSite.parent) && ts.isIdentifier(insertionSite.parent.name)) { + var symbol = checker.getSymbolAtLocation(insertionSite.parent.name); + if (symbol && !ts.tryAddToSet(fixedDeclarations, ts.getSymbolId(symbol))) { + return; + } + } + changeTracker.replaceNode(sourceFile, insertionSite, ts.factory.createAwaitExpression(insertionSite)); + } + } + function insertLeadingSemicolonIfNeeded(changeTracker, beforeNode, sourceFile) { + var precedingToken = ts.findPrecedingToken(beforeNode.pos, sourceFile); + if (precedingToken && ts.positionIsASICandidate(precedingToken.end, precedingToken.parent, sourceFile)) { + changeTracker.insertText(sourceFile, beforeNode.getStart(sourceFile), ";"); + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addMissingConst"; + var errorCodes = [ + ts.Diagnostics.Cannot_find_name_0.code, + ts.Diagnostics.No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddMissingConst(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start, context.program); }); + if (changes.length > 0) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_const_to_unresolved_variable, fixId, ts.Diagnostics.Add_const_to_all_unresolved_variables)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + var fixedNodes = new ts.Set(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start, context.program, fixedNodes); }); + }, + }); + function makeChange(changeTracker, sourceFile, pos, program, fixedNodes) { + var token = ts.getTokenAtPosition(sourceFile, pos); + var forInitializer = ts.findAncestor(token, function (node) { + return ts.isForInOrOfStatement(node.parent) ? node.parent.initializer === node : + isPossiblyPartOfDestructuring(node) ? false : "quit"; + }); + if (forInitializer) + return applyChange(changeTracker, forInitializer, sourceFile, fixedNodes); + var parent = token.parent; + if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && ts.isExpressionStatement(parent.parent)) { + return applyChange(changeTracker, token, sourceFile, fixedNodes); + } + if (ts.isArrayLiteralExpression(parent)) { + var checker_1 = program.getTypeChecker(); + if (!ts.every(parent.elements, function (element) { return arrayElementCouldBeVariableDeclaration(element, checker_1); })) { + return; + } + return applyChange(changeTracker, parent, sourceFile, fixedNodes); + } + var commaExpression = ts.findAncestor(token, function (node) { + return ts.isExpressionStatement(node.parent) ? true : + isPossiblyPartOfCommaSeperatedInitializer(node) ? false : "quit"; + }); + if (commaExpression) { + var checker = program.getTypeChecker(); + if (!expressionCouldBeVariableDeclaration(commaExpression, checker)) { + return; + } + return applyChange(changeTracker, commaExpression, sourceFile, fixedNodes); + } + } + function applyChange(changeTracker, initializer, sourceFile, fixedNodes) { + if (!fixedNodes || ts.tryAddToSet(fixedNodes, initializer)) { + changeTracker.insertModifierBefore(sourceFile, 85 /* SyntaxKind.ConstKeyword */, initializer); + } + } + function isPossiblyPartOfDestructuring(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 204 /* SyntaxKind.ArrayLiteralExpression */: + case 205 /* SyntaxKind.ObjectLiteralExpression */: + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + return true; + default: + return false; + } + } + function arrayElementCouldBeVariableDeclaration(expression, checker) { + var identifier = ts.isIdentifier(expression) ? expression : + ts.isAssignmentExpression(expression, /*excludeCompoundAssignment*/ true) && ts.isIdentifier(expression.left) ? expression.left : + undefined; + return !!identifier && !checker.getSymbolAtLocation(identifier); + } + function isPossiblyPartOfCommaSeperatedInitializer(node) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + case 221 /* SyntaxKind.BinaryExpression */: + case 27 /* SyntaxKind.CommaToken */: + return true; + default: + return false; + } + } + function expressionCouldBeVariableDeclaration(expression, checker) { + if (!ts.isBinaryExpression(expression)) { + return false; + } + if (expression.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + return ts.every([expression.left, expression.right], function (expression) { return expressionCouldBeVariableDeclaration(expression, checker); }); + } + return expression.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ + && ts.isIdentifier(expression.left) + && !checker.getSymbolAtLocation(expression.left); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addMissingDeclareProperty"; + var errorCodes = [ + ts.Diagnostics.Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_add_a_declare_modifier_or_remove_the_redundant_declaration.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddMissingDeclareOnProperty(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); }); + if (changes.length > 0) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Prefix_with_declare, fixId, ts.Diagnostics.Prefix_all_incorrect_property_declarations_with_declare)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + var fixedNodes = new ts.Set(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start, fixedNodes); }); + }, + }); + function makeChange(changeTracker, sourceFile, pos, fixedNodes) { + var token = ts.getTokenAtPosition(sourceFile, pos); + if (!ts.isIdentifier(token)) { + return; + } + var declaration = token.parent; + if (declaration.kind === 167 /* SyntaxKind.PropertyDeclaration */ && + (!fixedNodes || ts.tryAddToSet(fixedNodes, declaration))) { + changeTracker.insertModifierBefore(sourceFile, 135 /* SyntaxKind.DeclareKeyword */, declaration); + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addMissingInvocationForDecorator"; + var errorCodes = [ts.Diagnostics._0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write_0.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddMissingInvocationForDecorator(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Call_decorator_expression, fixId, ts.Diagnostics.Add_to_all_uncalled_decorators)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start); }); }, + }); + function makeChange(changeTracker, sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + var decorator = ts.findAncestor(token, ts.isDecorator); + ts.Debug.assert(!!decorator, "Expected position to be owned by a decorator."); + var replacement = ts.factory.createCallExpression(decorator.expression, /*typeArguments*/ undefined, /*argumentsArray*/ undefined); + changeTracker.replaceNode(sourceFile, decorator.expression, replacement); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addNameToNamelessParameter"; + var errorCodes = [ts.Diagnostics.Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddNameToNamelessParameter(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_parameter_name, fixId, ts.Diagnostics.Add_names_to_all_parameters_without_names)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start); }); }, + }); + function makeChange(changeTracker, sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + var param = token.parent; + if (!ts.isParameter(param)) { + return ts.Debug.fail("Tried to add a parameter name to a non-parameter: " + ts.Debug.formatSyntaxKind(token.kind)); + } + var i = param.parent.parameters.indexOf(param); + ts.Debug.assert(!param.type, "Tried to add a parameter name to a parameter that already had one."); + ts.Debug.assert(i > -1, "Parameter not found in parent parameter list."); + var typeNode = ts.factory.createTypeReferenceNode(param.name, /*typeArguments*/ undefined); + var replacement = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, param.modifiers, param.dotDotDotToken, "arg" + i, param.questionToken, param.dotDotDotToken ? ts.factory.createArrayTypeNode(typeNode) : typeNode, param.initializer); + changeTracker.replaceNode(sourceFile, param, replacement); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var addOptionalPropertyUndefined = "addOptionalPropertyUndefined"; + var errorCodes = [ + ts.Diagnostics.Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_type_of_the_target.code, + ts.Diagnostics.Type_0_is_not_assignable_to_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties.code, + ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var typeChecker = context.program.getTypeChecker(); + var toAdd = getPropertiesToAdd(context.sourceFile, context.span, typeChecker); + if (!toAdd.length) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addUndefinedToOptionalProperty(t, toAdd); }); + return [codefix.createCodeFixActionWithoutFixAll(addOptionalPropertyUndefined, changes, ts.Diagnostics.Add_undefined_to_optional_property_type)]; + }, + fixIds: [addOptionalPropertyUndefined], + }); + function getPropertiesToAdd(file, span, checker) { + var _a, _b; + var sourceTarget = getSourceTarget(ts.getFixableErrorSpanExpression(file, span), checker); + if (!sourceTarget) { + return ts.emptyArray; + } + var sourceNode = sourceTarget.source, targetNode = sourceTarget.target; + var target = shouldUseParentTypeOfProperty(sourceNode, targetNode, checker) + ? checker.getTypeAtLocation(targetNode.expression) + : checker.getTypeAtLocation(targetNode); + if ((_b = (_a = target.symbol) === null || _a === void 0 ? void 0 : _a.declarations) === null || _b === void 0 ? void 0 : _b.some(function (d) { return ts.getSourceFileOfNode(d).fileName.match(/\.d\.ts$/); })) { + return ts.emptyArray; + } + return checker.getExactOptionalProperties(target); + } + function shouldUseParentTypeOfProperty(sourceNode, targetNode, checker) { + return ts.isPropertyAccessExpression(targetNode) + && !!checker.getExactOptionalProperties(checker.getTypeAtLocation(targetNode.expression)).length + && checker.getTypeAtLocation(sourceNode) === checker.getUndefinedType(); + } + /** + * Find the source and target of the incorrect assignment. + * The call is recursive for property assignments. + */ + function getSourceTarget(errorNode, checker) { + var _a; + if (!errorNode) { + return undefined; + } + else if (ts.isBinaryExpression(errorNode.parent) && errorNode.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */) { + return { source: errorNode.parent.right, target: errorNode.parent.left }; + } + else if (ts.isVariableDeclaration(errorNode.parent) && errorNode.parent.initializer) { + return { source: errorNode.parent.initializer, target: errorNode.parent.name }; + } + else if (ts.isCallExpression(errorNode.parent)) { + var n = checker.getSymbolAtLocation(errorNode.parent.expression); + if (!(n === null || n === void 0 ? void 0 : n.valueDeclaration) || !ts.isFunctionLikeKind(n.valueDeclaration.kind)) + return undefined; + if (!ts.isExpression(errorNode)) + return undefined; + var i = errorNode.parent.arguments.indexOf(errorNode); + if (i === -1) + return undefined; + var name = n.valueDeclaration.parameters[i].name; + if (ts.isIdentifier(name)) + return { source: errorNode, target: name }; + } + else if (ts.isPropertyAssignment(errorNode.parent) && ts.isIdentifier(errorNode.parent.name) || + ts.isShorthandPropertyAssignment(errorNode.parent)) { + var parentTarget = getSourceTarget(errorNode.parent.parent, checker); + if (!parentTarget) + return undefined; + var prop = checker.getPropertyOfType(checker.getTypeAtLocation(parentTarget.target), errorNode.parent.name.text); + var declaration = (_a = prop === null || prop === void 0 ? void 0 : prop.declarations) === null || _a === void 0 ? void 0 : _a[0]; + if (!declaration) + return undefined; + return { + source: ts.isPropertyAssignment(errorNode.parent) ? errorNode.parent.initializer : errorNode.parent.name, + target: declaration + }; + } + return undefined; + } + function addUndefinedToOptionalProperty(changes, toAdd) { + for (var _i = 0, toAdd_1 = toAdd; _i < toAdd_1.length; _i++) { + var add = toAdd_1[_i]; + var d = add.valueDeclaration; + if (d && (ts.isPropertySignature(d) || ts.isPropertyDeclaration(d)) && d.type) { + var t = ts.factory.createUnionTypeNode(__spreadArray(__spreadArray([], d.type.kind === 187 /* SyntaxKind.UnionType */ ? d.type.types : [d.type], true), [ + ts.factory.createTypeReferenceNode("undefined") + ], false)); + changes.replaceNode(d.getSourceFile(), d.type, t); + } + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "annotateWithTypeFromJSDoc"; + var errorCodes = [ts.Diagnostics.JSDoc_types_may_be_moved_to_TypeScript_types.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var decl = getDeclaration(context.sourceFile, context.span.start); + if (!decl) + return; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, decl); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Annotate_with_type_from_JSDoc, fixId, ts.Diagnostics.Annotate_everything_with_types_from_JSDoc)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var decl = getDeclaration(diag.file, diag.start); + if (decl) + doChange(changes, diag.file, decl); + }); }, + }); + function getDeclaration(file, pos) { + var name = ts.getTokenAtPosition(file, pos); + // For an arrow function with no name, 'name' lands on the first parameter. + return ts.tryCast(ts.isParameter(name.parent) ? name.parent.parent : name.parent, parameterShouldGetTypeFromJSDoc); + } + function parameterShouldGetTypeFromJSDoc(node) { + return isDeclarationWithType(node) && hasUsableJSDoc(node); + } + codefix.parameterShouldGetTypeFromJSDoc = parameterShouldGetTypeFromJSDoc; + function hasUsableJSDoc(decl) { + return ts.isFunctionLikeDeclaration(decl) + ? decl.parameters.some(hasUsableJSDoc) || (!decl.type && !!ts.getJSDocReturnType(decl)) + : !decl.type && !!ts.getJSDocType(decl); + } + function doChange(changes, sourceFile, decl) { + if (ts.isFunctionLikeDeclaration(decl) && (ts.getJSDocReturnType(decl) || decl.parameters.some(function (p) { return !!ts.getJSDocType(p); }))) { + if (!decl.typeParameters) { + var typeParameters = ts.getJSDocTypeParameterDeclarations(decl); + if (typeParameters.length) + changes.insertTypeParameters(sourceFile, decl, typeParameters); + } + var needParens = ts.isArrowFunction(decl) && !ts.findChildOfKind(decl, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + if (needParens) + changes.insertNodeBefore(sourceFile, ts.first(decl.parameters), ts.factory.createToken(20 /* SyntaxKind.OpenParenToken */)); + for (var _i = 0, _a = decl.parameters; _i < _a.length; _i++) { + var param = _a[_i]; + if (!param.type) { + var paramType = ts.getJSDocType(param); + if (paramType) + changes.tryInsertTypeAnnotation(sourceFile, param, transformJSDocType(paramType)); + } + } + if (needParens) + changes.insertNodeAfter(sourceFile, ts.last(decl.parameters), ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */)); + if (!decl.type) { + var returnType = ts.getJSDocReturnType(decl); + if (returnType) + changes.tryInsertTypeAnnotation(sourceFile, decl, transformJSDocType(returnType)); + } + } + else { + var jsdocType = ts.Debug.checkDefined(ts.getJSDocType(decl), "A JSDocType for this declaration should exist"); // If not defined, shouldn't have been an error to fix + ts.Debug.assert(!decl.type, "The JSDocType decl should have a type"); // If defined, shouldn't have been an error to fix. + changes.tryInsertTypeAnnotation(sourceFile, decl, transformJSDocType(jsdocType)); + } + } + function isDeclarationWithType(node) { + return ts.isFunctionLikeDeclaration(node) || + node.kind === 254 /* SyntaxKind.VariableDeclaration */ || + node.kind === 166 /* SyntaxKind.PropertySignature */ || + node.kind === 167 /* SyntaxKind.PropertyDeclaration */; + } + function transformJSDocType(node) { + switch (node.kind) { + case 312 /* SyntaxKind.JSDocAllType */: + case 313 /* SyntaxKind.JSDocUnknownType */: + return ts.factory.createTypeReferenceNode("any", ts.emptyArray); + case 316 /* SyntaxKind.JSDocOptionalType */: + return transformJSDocOptionalType(node); + case 315 /* SyntaxKind.JSDocNonNullableType */: + return transformJSDocType(node.type); + case 314 /* SyntaxKind.JSDocNullableType */: + return transformJSDocNullableType(node); + case 318 /* SyntaxKind.JSDocVariadicType */: + return transformJSDocVariadicType(node); + case 317 /* SyntaxKind.JSDocFunctionType */: + return transformJSDocFunctionType(node); + case 178 /* SyntaxKind.TypeReference */: + return transformJSDocTypeReference(node); + default: + var visited = ts.visitEachChild(node, transformJSDocType, ts.nullTransformationContext); + ts.setEmitFlags(visited, 1 /* EmitFlags.SingleLine */); + return visited; + } + } + function transformJSDocOptionalType(node) { + return ts.factory.createUnionTypeNode([ts.visitNode(node.type, transformJSDocType), ts.factory.createTypeReferenceNode("undefined", ts.emptyArray)]); + } + function transformJSDocNullableType(node) { + return ts.factory.createUnionTypeNode([ts.visitNode(node.type, transformJSDocType), ts.factory.createTypeReferenceNode("null", ts.emptyArray)]); + } + function transformJSDocVariadicType(node) { + return ts.factory.createArrayTypeNode(ts.visitNode(node.type, transformJSDocType)); + } + function transformJSDocFunctionType(node) { + var _a; + // TODO: This does not properly handle `function(new:C, string)` per https://github.com/google/closure-compiler/wiki/Types-in-the-Closure-Type-System#the-javascript-type-language + // however we do handle it correctly in `serializeTypeForDeclaration` in checker.ts + return ts.factory.createFunctionTypeNode(ts.emptyArray, node.parameters.map(transformJSDocParameter), (_a = node.type) !== null && _a !== void 0 ? _a : ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */)); + } + function transformJSDocParameter(node) { + var index = node.parent.parameters.indexOf(node); + var isRest = node.type.kind === 318 /* SyntaxKind.JSDocVariadicType */ && index === node.parent.parameters.length - 1; // TODO: GH#18217 + var name = node.name || (isRest ? "rest" : "arg" + index); + var dotdotdot = isRest ? ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */) : node.dotDotDotToken; + return ts.factory.createParameterDeclaration(node.decorators, node.modifiers, dotdotdot, name, node.questionToken, ts.visitNode(node.type, transformJSDocType), node.initializer); + } + function transformJSDocTypeReference(node) { + var name = node.typeName; + var args = node.typeArguments; + if (ts.isIdentifier(node.typeName)) { + if (ts.isJSDocIndexSignature(node)) { + return transformJSDocIndexSignature(node); + } + var text = node.typeName.text; + switch (node.typeName.text) { + case "String": + case "Boolean": + case "Object": + case "Number": + text = text.toLowerCase(); + break; + case "array": + case "date": + case "promise": + text = text[0].toUpperCase() + text.slice(1); + break; + } + name = ts.factory.createIdentifier(text); + if ((text === "Array" || text === "Promise") && !node.typeArguments) { + args = ts.factory.createNodeArray([ts.factory.createTypeReferenceNode("any", ts.emptyArray)]); + } + else { + args = ts.visitNodes(node.typeArguments, transformJSDocType); + } + } + return ts.factory.createTypeReferenceNode(name, args); + } + function transformJSDocIndexSignature(node) { + var index = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, node.typeArguments[0].kind === 147 /* SyntaxKind.NumberKeyword */ ? "n" : "s", + /*questionToken*/ undefined, ts.factory.createTypeReferenceNode(node.typeArguments[0].kind === 147 /* SyntaxKind.NumberKeyword */ ? "number" : "string", []), + /*initializer*/ undefined); + var indexSignature = ts.factory.createTypeLiteralNode([ts.factory.createIndexSignature(/*decorators*/ undefined, /*modifiers*/ undefined, [index], node.typeArguments[1])]); + ts.setEmitFlags(indexSignature, 1 /* EmitFlags.SingleLine */); + return indexSignature; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "convertFunctionToEs6Class"; + var errorCodes = [ts.Diagnostics.This_constructor_function_may_be_converted_to_a_class_declaration.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { + return doChange(t, context.sourceFile, context.span.start, context.program.getTypeChecker(), context.preferences, context.program.getCompilerOptions()); + }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_function_to_an_ES2015_class, fixId, ts.Diagnostics.Convert_all_constructor_functions_to_classes)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, err) { + return doChange(changes, err.file, err.start, context.program.getTypeChecker(), context.preferences, context.program.getCompilerOptions()); + }); }, + }); + function doChange(changes, sourceFile, position, checker, preferences, compilerOptions) { + var ctorSymbol = checker.getSymbolAtLocation(ts.getTokenAtPosition(sourceFile, position)); + if (!ctorSymbol || !ctorSymbol.valueDeclaration || !(ctorSymbol.flags & (16 /* SymbolFlags.Function */ | 3 /* SymbolFlags.Variable */))) { + // Bad input + return undefined; + } + var ctorDeclaration = ctorSymbol.valueDeclaration; + if (ts.isFunctionDeclaration(ctorDeclaration)) { + changes.replaceNode(sourceFile, ctorDeclaration, createClassFromFunctionDeclaration(ctorDeclaration)); + } + else if (ts.isVariableDeclaration(ctorDeclaration)) { + var classDeclaration = createClassFromVariableDeclaration(ctorDeclaration); + if (!classDeclaration) { + return undefined; + } + var ancestor = ctorDeclaration.parent.parent; + if (ts.isVariableDeclarationList(ctorDeclaration.parent) && ctorDeclaration.parent.declarations.length > 1) { + changes.delete(sourceFile, ctorDeclaration); + changes.insertNodeAfter(sourceFile, ancestor, classDeclaration); + } + else { + changes.replaceNode(sourceFile, ancestor, classDeclaration); + } + } + function createClassElementsFromSymbol(symbol) { + var memberElements = []; + // all static members are stored in the "exports" array of symbol + if (symbol.exports) { + symbol.exports.forEach(function (member) { + if (member.name === "prototype" && member.declarations) { + var firstDeclaration = member.declarations[0]; + // only one "x.prototype = { ... }" will pass + if (member.declarations.length === 1 && + ts.isPropertyAccessExpression(firstDeclaration) && + ts.isBinaryExpression(firstDeclaration.parent) && + firstDeclaration.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && + ts.isObjectLiteralExpression(firstDeclaration.parent.right)) { + var prototypes = firstDeclaration.parent.right; + createClassElement(prototypes.symbol, /** modifiers */ undefined, memberElements); + } + } + else { + createClassElement(member, [ts.factory.createToken(124 /* SyntaxKind.StaticKeyword */)], memberElements); + } + }); + } + // all instance members are stored in the "member" array of symbol (done last so instance members pulled from prototype assignments have priority) + if (symbol.members) { + symbol.members.forEach(function (member, key) { + var _a, _b, _c, _d; + if (key === "constructor" && member.valueDeclaration) { + var prototypeAssignment = (_d = (_c = (_b = (_a = symbol.exports) === null || _a === void 0 ? void 0 : _a.get("prototype")) === null || _b === void 0 ? void 0 : _b.declarations) === null || _c === void 0 ? void 0 : _c[0]) === null || _d === void 0 ? void 0 : _d.parent; + if (prototypeAssignment && ts.isBinaryExpression(prototypeAssignment) && ts.isObjectLiteralExpression(prototypeAssignment.right) && ts.some(prototypeAssignment.right.properties, isConstructorAssignment)) { + // fn.prototype = { constructor: fn } + // Already deleted in `createClassElement` in first pass + } + else { + // fn.prototype.constructor = fn + changes.delete(sourceFile, member.valueDeclaration.parent); + } + return; + } + createClassElement(member, /*modifiers*/ undefined, memberElements); + }); + } + return memberElements; + function shouldConvertDeclaration(_target, source) { + // Right now the only thing we can convert are function expressions, get/set accessors and methods + // other values like normal value fields ({a: 1}) shouldn't get transformed. + // We can update this once ES public class properties are available. + if (ts.isAccessExpression(_target)) { + if (ts.isPropertyAccessExpression(_target) && isConstructorAssignment(_target)) + return true; + return ts.isFunctionLike(source); + } + else { + return ts.every(_target.properties, function (property) { + // a() {} + if (ts.isMethodDeclaration(property) || ts.isGetOrSetAccessorDeclaration(property)) + return true; + // a: function() {} + if (ts.isPropertyAssignment(property) && ts.isFunctionExpression(property.initializer) && !!property.name) + return true; + // x.prototype.constructor = fn + if (isConstructorAssignment(property)) + return true; + return false; + }); + } + } + function createClassElement(symbol, modifiers, members) { + // Right now the only thing we can convert are function expressions, which are marked as methods + // or { x: y } type prototype assignments, which are marked as ObjectLiteral + if (!(symbol.flags & 8192 /* SymbolFlags.Method */) && !(symbol.flags & 4096 /* SymbolFlags.ObjectLiteral */)) { + return; + } + var memberDeclaration = symbol.valueDeclaration; + var assignmentBinaryExpression = memberDeclaration.parent; + var assignmentExpr = assignmentBinaryExpression.right; + if (!shouldConvertDeclaration(memberDeclaration, assignmentExpr)) { + return; + } + if (ts.some(members, function (m) { + var name = ts.getNameOfDeclaration(m); + if (name && ts.isIdentifier(name) && ts.idText(name) === ts.symbolName(symbol)) { + return true; // class member already made for this name + } + return false; + })) { + return; + } + // delete the entire statement if this expression is the sole expression to take care of the semicolon at the end + var nodeToDelete = assignmentBinaryExpression.parent && assignmentBinaryExpression.parent.kind === 238 /* SyntaxKind.ExpressionStatement */ + ? assignmentBinaryExpression.parent : assignmentBinaryExpression; + changes.delete(sourceFile, nodeToDelete); + if (!assignmentExpr) { + members.push(ts.factory.createPropertyDeclaration([], modifiers, symbol.name, /*questionToken*/ undefined, + /*type*/ undefined, /*initializer*/ undefined)); + return; + } + // f.x = expr + if (ts.isAccessExpression(memberDeclaration) && (ts.isFunctionExpression(assignmentExpr) || ts.isArrowFunction(assignmentExpr))) { + var quotePreference = ts.getQuotePreference(sourceFile, preferences); + var name = tryGetPropertyName(memberDeclaration, compilerOptions, quotePreference); + if (name) { + createFunctionLikeExpressionMember(members, assignmentExpr, name); + } + return; + } + // f.prototype = { ... } + else if (ts.isObjectLiteralExpression(assignmentExpr)) { + ts.forEach(assignmentExpr.properties, function (property) { + if (ts.isMethodDeclaration(property) || ts.isGetOrSetAccessorDeclaration(property)) { + // MethodDeclaration and AccessorDeclaration can appear in a class directly + members.push(property); + } + if (ts.isPropertyAssignment(property) && ts.isFunctionExpression(property.initializer)) { + createFunctionLikeExpressionMember(members, property.initializer, property.name); + } + // Drop constructor assignments + if (isConstructorAssignment(property)) + return; + return; + }); + return; + } + else { + // Don't try to declare members in JavaScript files + if (ts.isSourceFileJS(sourceFile)) + return; + if (!ts.isPropertyAccessExpression(memberDeclaration)) + return; + var prop = ts.factory.createPropertyDeclaration(/*decorators*/ undefined, modifiers, memberDeclaration.name, /*questionToken*/ undefined, /*type*/ undefined, assignmentExpr); + ts.copyLeadingComments(assignmentBinaryExpression.parent, prop, sourceFile); + members.push(prop); + return; + } + function createFunctionLikeExpressionMember(members, expression, name) { + if (ts.isFunctionExpression(expression)) + return createFunctionExpressionMember(members, expression, name); + else + return createArrowFunctionExpressionMember(members, expression, name); + } + function createFunctionExpressionMember(members, functionExpression, name) { + var fullModifiers = ts.concatenate(modifiers, getModifierKindFromSource(functionExpression, 131 /* SyntaxKind.AsyncKeyword */)); + var method = ts.factory.createMethodDeclaration(/*decorators*/ undefined, fullModifiers, /*asteriskToken*/ undefined, name, /*questionToken*/ undefined, + /*typeParameters*/ undefined, functionExpression.parameters, /*type*/ undefined, functionExpression.body); + ts.copyLeadingComments(assignmentBinaryExpression, method, sourceFile); + members.push(method); + return; + } + function createArrowFunctionExpressionMember(members, arrowFunction, name) { + var arrowFunctionBody = arrowFunction.body; + var bodyBlock; + // case 1: () => { return [1,2,3] } + if (arrowFunctionBody.kind === 235 /* SyntaxKind.Block */) { + bodyBlock = arrowFunctionBody; + } + // case 2: () => [1,2,3] + else { + bodyBlock = ts.factory.createBlock([ts.factory.createReturnStatement(arrowFunctionBody)]); + } + var fullModifiers = ts.concatenate(modifiers, getModifierKindFromSource(arrowFunction, 131 /* SyntaxKind.AsyncKeyword */)); + var method = ts.factory.createMethodDeclaration(/*decorators*/ undefined, fullModifiers, /*asteriskToken*/ undefined, name, /*questionToken*/ undefined, + /*typeParameters*/ undefined, arrowFunction.parameters, /*type*/ undefined, bodyBlock); + ts.copyLeadingComments(assignmentBinaryExpression, method, sourceFile); + members.push(method); + } + } + } + function createClassFromVariableDeclaration(node) { + var initializer = node.initializer; + if (!initializer || !ts.isFunctionExpression(initializer) || !ts.isIdentifier(node.name)) { + return undefined; + } + var memberElements = createClassElementsFromSymbol(node.symbol); + if (initializer.body) { + memberElements.unshift(ts.factory.createConstructorDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, initializer.parameters, initializer.body)); + } + var modifiers = getModifierKindFromSource(node.parent.parent, 93 /* SyntaxKind.ExportKeyword */); + var cls = ts.factory.createClassDeclaration(/*decorators*/ undefined, modifiers, node.name, + /*typeParameters*/ undefined, /*heritageClauses*/ undefined, memberElements); + // Don't call copyComments here because we'll already leave them in place + return cls; + } + function createClassFromFunctionDeclaration(node) { + var memberElements = createClassElementsFromSymbol(ctorSymbol); + if (node.body) { + memberElements.unshift(ts.factory.createConstructorDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, node.parameters, node.body)); + } + var modifiers = getModifierKindFromSource(node, 93 /* SyntaxKind.ExportKeyword */); + var cls = ts.factory.createClassDeclaration(/*decorators*/ undefined, modifiers, node.name, + /*typeParameters*/ undefined, /*heritageClauses*/ undefined, memberElements); + // Don't call copyComments here because we'll already leave them in place + return cls; + } + } + function getModifierKindFromSource(source, kind) { + return ts.filter(source.modifiers, function (modifier) { return modifier.kind === kind; }); + } + function isConstructorAssignment(x) { + if (!x.name) + return false; + if (ts.isIdentifier(x.name) && x.name.text === "constructor") + return true; + return false; + } + function tryGetPropertyName(node, compilerOptions, quotePreference) { + if (ts.isPropertyAccessExpression(node)) { + return node.name; + } + var propName = node.argumentExpression; + if (ts.isNumericLiteral(propName)) { + return propName; + } + if (ts.isStringLiteralLike(propName)) { + return ts.isIdentifierText(propName.text, ts.getEmitScriptTarget(compilerOptions)) ? ts.factory.createIdentifier(propName.text) + : ts.isNoSubstitutionTemplateLiteral(propName) ? ts.factory.createStringLiteral(propName.text, quotePreference === 0 /* QuotePreference.Single */) + : propName; + } + return undefined; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "convertToAsyncFunction"; + var errorCodes = [ts.Diagnostics.This_may_be_converted_to_an_async_function.code]; + var codeActionSucceeded = true; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + codeActionSucceeded = true; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return convertToAsyncFunction(t, context.sourceFile, context.span.start, context.program.getTypeChecker()); }); + return codeActionSucceeded ? [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_async_function, fixId, ts.Diagnostics.Convert_all_to_async_functions)] : []; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, err) { return convertToAsyncFunction(changes, err.file, err.start, context.program.getTypeChecker()); }); }, + }); + var SynthBindingNameKind; + (function (SynthBindingNameKind) { + SynthBindingNameKind[SynthBindingNameKind["Identifier"] = 0] = "Identifier"; + SynthBindingNameKind[SynthBindingNameKind["BindingPattern"] = 1] = "BindingPattern"; + })(SynthBindingNameKind || (SynthBindingNameKind = {})); + function convertToAsyncFunction(changes, sourceFile, position, checker) { + // get the function declaration - returns a promise + var tokenAtPosition = ts.getTokenAtPosition(sourceFile, position); + var functionToConvert; + // if the parent of a FunctionLikeDeclaration is a variable declaration, the convertToAsync diagnostic will be reported on the variable name + if (ts.isIdentifier(tokenAtPosition) && ts.isVariableDeclaration(tokenAtPosition.parent) && + tokenAtPosition.parent.initializer && ts.isFunctionLikeDeclaration(tokenAtPosition.parent.initializer)) { + functionToConvert = tokenAtPosition.parent.initializer; + } + else { + functionToConvert = ts.tryCast(ts.getContainingFunction(ts.getTokenAtPosition(sourceFile, position)), ts.canBeConvertedToAsync); + } + if (!functionToConvert) { + return; + } + var synthNamesMap = new ts.Map(); + var isInJavascript = ts.isInJSFile(functionToConvert); + var setOfExpressionsToReturn = getAllPromiseExpressionsToReturn(functionToConvert, checker); + var functionToConvertRenamed = renameCollidingVarNames(functionToConvert, checker, synthNamesMap); + if (!ts.returnsPromise(functionToConvertRenamed, checker)) { + return; + } + var returnStatements = functionToConvertRenamed.body && ts.isBlock(functionToConvertRenamed.body) ? getReturnStatementsWithPromiseHandlers(functionToConvertRenamed.body, checker) : ts.emptyArray; + var transformer = { checker: checker, synthNamesMap: synthNamesMap, setOfExpressionsToReturn: setOfExpressionsToReturn, isInJSFile: isInJavascript }; + if (!returnStatements.length) { + return; + } + var pos = functionToConvert.modifiers ? functionToConvert.modifiers.end : + functionToConvert.decorators ? ts.skipTrivia(sourceFile.text, functionToConvert.decorators.end) : + functionToConvert.getStart(sourceFile); + var options = functionToConvert.modifiers ? { prefix: " " } : { suffix: " " }; + changes.insertModifierAt(sourceFile, pos, 131 /* SyntaxKind.AsyncKeyword */, options); + var _loop_14 = function (returnStatement) { + ts.forEachChild(returnStatement, function visit(node) { + if (ts.isCallExpression(node)) { + var newNodes = transformExpression(node, node, transformer, /*hasContinuation*/ false); + if (hasFailed()) { + return true; // return something truthy to shortcut out of more work + } + changes.replaceNodeWithNodes(sourceFile, returnStatement, newNodes); + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, visit); + if (hasFailed()) { + return true; // return something truthy to shortcut out of more work + } + } + }); + if (hasFailed()) { + return { value: void 0 }; + } + }; + for (var _i = 0, returnStatements_1 = returnStatements; _i < returnStatements_1.length; _i++) { + var returnStatement = returnStatements_1[_i]; + var state_5 = _loop_14(returnStatement); + if (typeof state_5 === "object") + return state_5.value; + } + } + function getReturnStatementsWithPromiseHandlers(body, checker) { + var res = []; + ts.forEachReturnStatement(body, function (ret) { + if (ts.isReturnStatementWithFixablePromiseHandler(ret, checker)) + res.push(ret); + }); + return res; + } + /* + Finds all of the expressions of promise type that should not be saved in a variable during the refactor + */ + function getAllPromiseExpressionsToReturn(func, checker) { + if (!func.body) { + return new ts.Set(); + } + var setOfExpressionsToReturn = new ts.Set(); + ts.forEachChild(func.body, function visit(node) { + if (isPromiseReturningCallExpression(node, checker, "then")) { + setOfExpressionsToReturn.add(ts.getNodeId(node)); + ts.forEach(node.arguments, visit); + } + else if (isPromiseReturningCallExpression(node, checker, "catch") || + isPromiseReturningCallExpression(node, checker, "finally")) { + setOfExpressionsToReturn.add(ts.getNodeId(node)); + // if .catch() or .finally() is the last call in the chain, move leftward in the chain until we hit something else that should be returned + ts.forEachChild(node, visit); + } + else if (isPromiseTypedExpression(node, checker)) { + setOfExpressionsToReturn.add(ts.getNodeId(node)); + // don't recurse here, since we won't refactor any children or arguments of the expression + } + else { + ts.forEachChild(node, visit); + } + }); + return setOfExpressionsToReturn; + } + function isPromiseReturningCallExpression(node, checker, name) { + if (!ts.isCallExpression(node)) + return false; + var isExpressionOfName = ts.hasPropertyAccessExpressionWithName(node, name); + var nodeType = isExpressionOfName && checker.getTypeAtLocation(node); + return !!(nodeType && checker.getPromisedTypeOfPromise(nodeType)); + } + // NOTE: this is a mostly copy of `isReferenceToType` from checker.ts. While this violates DRY, it keeps + // `isReferenceToType` in checker local to the checker to avoid the cost of a property lookup on `ts`. + function isReferenceToType(type, target) { + return (ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) !== 0 + && type.target === target; + } + function getExplicitPromisedTypeOfPromiseReturningCallExpression(node, callback, checker) { + if (node.expression.name.escapedText === "finally") { + // for a `finally`, there's no type argument + return undefined; + } + // If the call to `then` or `catch` comes from the global `Promise` or `PromiseLike` type, we can safely use the + // type argument supplied for the callback. For other promise types we would need a more complex heuristic to determine + // which type argument is safe to use as an annotation. + var promiseType = checker.getTypeAtLocation(node.expression.expression); + if (isReferenceToType(promiseType, checker.getPromiseType()) || + isReferenceToType(promiseType, checker.getPromiseLikeType())) { + if (node.expression.name.escapedText === "then") { + if (callback === ts.elementAt(node.arguments, 0)) { + // for the `onfulfilled` callback, use the first type argument + return ts.elementAt(node.typeArguments, 0); + } + else if (callback === ts.elementAt(node.arguments, 1)) { + // for the `onrejected` callback, use the second type argument + return ts.elementAt(node.typeArguments, 1); + } + } + else { + return ts.elementAt(node.typeArguments, 0); + } + } + } + function isPromiseTypedExpression(node, checker) { + if (!ts.isExpression(node)) + return false; + return !!checker.getPromisedTypeOfPromise(checker.getTypeAtLocation(node)); + } + /* + Renaming of identifiers may be necessary as the refactor changes scopes - + This function collects all existing identifier names and names of identifiers that will be created in the refactor. + It then checks for any collisions and renames them through getSynthesizedDeepClone + */ + function renameCollidingVarNames(nodeToRename, checker, synthNamesMap) { + var identsToRenameMap = new ts.Map(); // key is the symbol id + var collidingSymbolMap = ts.createMultiMap(); + ts.forEachChild(nodeToRename, function visit(node) { + if (!ts.isIdentifier(node)) { + ts.forEachChild(node, visit); + return; + } + var symbol = checker.getSymbolAtLocation(node); + if (symbol) { + var type = checker.getTypeAtLocation(node); + // Note - the choice of the last call signature is arbitrary + var lastCallSignature = getLastCallSignature(type, checker); + var symbolIdString = ts.getSymbolId(symbol).toString(); + // If the identifier refers to a function, we want to add the new synthesized variable for the declaration. Example: + // fetch('...').then(response => { ... }) + // will eventually become + // const response = await fetch('...') + // so we push an entry for 'response'. + if (lastCallSignature && !ts.isParameter(node.parent) && !ts.isFunctionLikeDeclaration(node.parent) && !synthNamesMap.has(symbolIdString)) { + var firstParameter = ts.firstOrUndefined(lastCallSignature.parameters); + var ident = (firstParameter === null || firstParameter === void 0 ? void 0 : firstParameter.valueDeclaration) + && ts.isParameter(firstParameter.valueDeclaration) + && ts.tryCast(firstParameter.valueDeclaration.name, ts.isIdentifier) + || ts.factory.createUniqueName("result", 16 /* GeneratedIdentifierFlags.Optimistic */); + var synthName = getNewNameIfConflict(ident, collidingSymbolMap); + synthNamesMap.set(symbolIdString, synthName); + collidingSymbolMap.add(ident.text, symbol); + } + // We only care about identifiers that are parameters, variable declarations, or binding elements + else if (node.parent && (ts.isParameter(node.parent) || ts.isVariableDeclaration(node.parent) || ts.isBindingElement(node.parent))) { + var originalName = node.text; + var collidingSymbols = collidingSymbolMap.get(originalName); + // if the identifier name conflicts with a different identifier that we've already seen + if (collidingSymbols && collidingSymbols.some(function (prevSymbol) { return prevSymbol !== symbol; })) { + var newName = getNewNameIfConflict(node, collidingSymbolMap); + identsToRenameMap.set(symbolIdString, newName.identifier); + synthNamesMap.set(symbolIdString, newName); + collidingSymbolMap.add(originalName, symbol); + } + else { + var identifier = ts.getSynthesizedDeepClone(node); + synthNamesMap.set(symbolIdString, createSynthIdentifier(identifier)); + collidingSymbolMap.add(originalName, symbol); + } + } + } + }); + return ts.getSynthesizedDeepCloneWithReplacements(nodeToRename, /*includeTrivia*/ true, function (original) { + if (ts.isBindingElement(original) && ts.isIdentifier(original.name) && ts.isObjectBindingPattern(original.parent)) { + var symbol = checker.getSymbolAtLocation(original.name); + var renameInfo = symbol && identsToRenameMap.get(String(ts.getSymbolId(symbol))); + if (renameInfo && renameInfo.text !== (original.name || original.propertyName).getText()) { + return ts.factory.createBindingElement(original.dotDotDotToken, original.propertyName || original.name, renameInfo, original.initializer); + } + } + else if (ts.isIdentifier(original)) { + var symbol = checker.getSymbolAtLocation(original); + var renameInfo = symbol && identsToRenameMap.get(String(ts.getSymbolId(symbol))); + if (renameInfo) { + return ts.factory.createIdentifier(renameInfo.text); + } + } + }); + } + function getNewNameIfConflict(name, originalNames) { + var numVarsSameName = (originalNames.get(name.text) || ts.emptyArray).length; + var identifier = numVarsSameName === 0 ? name : ts.factory.createIdentifier(name.text + "_" + numVarsSameName); + return createSynthIdentifier(identifier); + } + function hasFailed() { + return !codeActionSucceeded; + } + function silentFail() { + codeActionSucceeded = false; + return ts.emptyArray; + } + // dispatch function to recursively build the refactoring + // should be kept up to date with isFixablePromiseHandler in suggestionDiagnostics.ts + /** + * @param hasContinuation Whether another `then`, `catch`, or `finally` continuation follows the continuation to which this expression belongs. + * @param continuationArgName The argument name for the continuation that follows this call. + */ + function transformExpression(returnContextNode, node, transformer, hasContinuation, continuationArgName) { + if (isPromiseReturningCallExpression(node, transformer.checker, "then")) { + return transformThen(node, ts.elementAt(node.arguments, 0), ts.elementAt(node.arguments, 1), transformer, hasContinuation, continuationArgName); + } + if (isPromiseReturningCallExpression(node, transformer.checker, "catch")) { + return transformCatch(node, ts.elementAt(node.arguments, 0), transformer, hasContinuation, continuationArgName); + } + if (isPromiseReturningCallExpression(node, transformer.checker, "finally")) { + return transformFinally(node, ts.elementAt(node.arguments, 0), transformer, hasContinuation, continuationArgName); + } + if (ts.isPropertyAccessExpression(node)) { + return transformExpression(returnContextNode, node.expression, transformer, hasContinuation, continuationArgName); + } + var nodeType = transformer.checker.getTypeAtLocation(node); + if (nodeType && transformer.checker.getPromisedTypeOfPromise(nodeType)) { + ts.Debug.assertNode(ts.getOriginalNode(node).parent, ts.isPropertyAccessExpression); + return transformPromiseExpressionOfPropertyAccess(returnContextNode, node, transformer, hasContinuation, continuationArgName); + } + return silentFail(); + } + function isNullOrUndefined(_a, node) { + var checker = _a.checker; + if (node.kind === 104 /* SyntaxKind.NullKeyword */) + return true; + if (ts.isIdentifier(node) && !ts.isGeneratedIdentifier(node) && ts.idText(node) === "undefined") { + var symbol = checker.getSymbolAtLocation(node); + return !symbol || checker.isUndefinedSymbol(symbol); + } + return false; + } + function createUniqueSynthName(prevArgName) { + var renamedPrevArg = ts.factory.createUniqueName(prevArgName.identifier.text, 16 /* GeneratedIdentifierFlags.Optimistic */); + return createSynthIdentifier(renamedPrevArg); + } + function getPossibleNameForVarDecl(node, transformer, continuationArgName) { + var possibleNameForVarDecl; + // If there is another call in the chain after the .catch() or .finally() we are transforming, we will need to save the result of both paths + // (try block and catch/finally block). To do this, we will need to synthesize a variable that we were not aware of while we were adding + // identifiers to the synthNamesMap. We will use the continuationArgName and then update the synthNamesMap with a new variable name for + // the next transformation step + if (continuationArgName && !shouldReturn(node, transformer)) { + if (isSynthIdentifier(continuationArgName)) { + possibleNameForVarDecl = continuationArgName; + transformer.synthNamesMap.forEach(function (val, key) { + if (val.identifier.text === continuationArgName.identifier.text) { + var newSynthName = createUniqueSynthName(continuationArgName); + transformer.synthNamesMap.set(key, newSynthName); + } + }); + } + else { + possibleNameForVarDecl = createSynthIdentifier(ts.factory.createUniqueName("result", 16 /* GeneratedIdentifierFlags.Optimistic */), continuationArgName.types); + } + // We are about to write a 'let' variable declaration, but `transformExpression` for both + // the try block and catch/finally block will assign to this name. Setting this flag indicates + // that future assignments should be written as `name = value` instead of `const name = value`. + declareSynthIdentifier(possibleNameForVarDecl); + } + return possibleNameForVarDecl; + } + function finishCatchOrFinallyTransform(node, transformer, tryStatement, possibleNameForVarDecl, continuationArgName) { + var statements = []; + // In order to avoid an implicit any, we will synthesize a type for the declaration using the unions of the types of both paths (try block and catch block) + var varDeclIdentifier; + if (possibleNameForVarDecl && !shouldReturn(node, transformer)) { + varDeclIdentifier = ts.getSynthesizedDeepClone(declareSynthIdentifier(possibleNameForVarDecl)); + var typeArray = possibleNameForVarDecl.types; + var unionType = transformer.checker.getUnionType(typeArray, 2 /* UnionReduction.Subtype */); + var unionTypeNode = transformer.isInJSFile ? undefined : transformer.checker.typeToTypeNode(unionType, /*enclosingDeclaration*/ undefined, /*flags*/ undefined); + var varDecl = [ts.factory.createVariableDeclaration(varDeclIdentifier, /*exclamationToken*/ undefined, unionTypeNode)]; + var varDeclList = ts.factory.createVariableStatement(/*modifiers*/ undefined, ts.factory.createVariableDeclarationList(varDecl, 1 /* NodeFlags.Let */)); + statements.push(varDeclList); + } + statements.push(tryStatement); + if (continuationArgName && varDeclIdentifier && isSynthBindingPattern(continuationArgName)) { + statements.push(ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ + ts.factory.createVariableDeclaration(ts.getSynthesizedDeepClone(declareSynthBindingPattern(continuationArgName)), + /*exclamationToken*/ undefined, + /*type*/ undefined, varDeclIdentifier) + ], 2 /* NodeFlags.Const */))); + } + return statements; + } + /** + * @param hasContinuation Whether another `then`, `catch`, or `finally` continuation follows this continuation. + * @param continuationArgName The argument name for the continuation that follows this call. + */ + function transformFinally(node, onFinally, transformer, hasContinuation, continuationArgName) { + if (!onFinally || isNullOrUndefined(transformer, onFinally)) { + // Ignore this call as it has no effect on the result + return transformExpression(/* returnContextNode */ node, node.expression.expression, transformer, hasContinuation, continuationArgName); + } + var possibleNameForVarDecl = getPossibleNameForVarDecl(node, transformer, continuationArgName); + // Transform the left-hand-side of `.finally` into an array of inlined statements. We pass `true` for hasContinuation as `node` is the outer continuation. + var inlinedLeftHandSide = transformExpression(/*returnContextNode*/ node, node.expression.expression, transformer, /*hasContinuation*/ true, possibleNameForVarDecl); + if (hasFailed()) + return silentFail(); // shortcut out of more work + // Transform the callback argument into an array of inlined statements. We pass whether we have an outer continuation here + // as that indicates whether `return` is valid. + var inlinedCallback = transformCallbackArgument(onFinally, hasContinuation, /*continuationArgName*/ undefined, /*argName*/ undefined, node, transformer); + if (hasFailed()) + return silentFail(); // shortcut out of more work + var tryBlock = ts.factory.createBlock(inlinedLeftHandSide); + var finallyBlock = ts.factory.createBlock(inlinedCallback); + var tryStatement = ts.factory.createTryStatement(tryBlock, /*catchClause*/ undefined, finallyBlock); + return finishCatchOrFinallyTransform(node, transformer, tryStatement, possibleNameForVarDecl, continuationArgName); + } + /** + * @param hasContinuation Whether another `then`, `catch`, or `finally` continuation follows this continuation. + * @param continuationArgName The argument name for the continuation that follows this call. + */ + function transformCatch(node, onRejected, transformer, hasContinuation, continuationArgName) { + if (!onRejected || isNullOrUndefined(transformer, onRejected)) { + // Ignore this call as it has no effect on the result + return transformExpression(/* returnContextNode */ node, node.expression.expression, transformer, hasContinuation, continuationArgName); + } + var inputArgName = getArgBindingName(onRejected, transformer); + var possibleNameForVarDecl = getPossibleNameForVarDecl(node, transformer, continuationArgName); + // Transform the left-hand-side of `.then`/`.catch` into an array of inlined statements. We pass `true` for hasContinuation as `node` is the outer continuation. + var inlinedLeftHandSide = transformExpression(/*returnContextNode*/ node, node.expression.expression, transformer, /*hasContinuation*/ true, possibleNameForVarDecl); + if (hasFailed()) + return silentFail(); // shortcut out of more work + // Transform the callback argument into an array of inlined statements. We pass whether we have an outer continuation here + // as that indicates whether `return` is valid. + var inlinedCallback = transformCallbackArgument(onRejected, hasContinuation, possibleNameForVarDecl, inputArgName, node, transformer); + if (hasFailed()) + return silentFail(); // shortcut out of more work + var tryBlock = ts.factory.createBlock(inlinedLeftHandSide); + var catchClause = ts.factory.createCatchClause(inputArgName && ts.getSynthesizedDeepClone(declareSynthBindingName(inputArgName)), ts.factory.createBlock(inlinedCallback)); + var tryStatement = ts.factory.createTryStatement(tryBlock, catchClause, /*finallyBlock*/ undefined); + return finishCatchOrFinallyTransform(node, transformer, tryStatement, possibleNameForVarDecl, continuationArgName); + } + /** + * @param hasContinuation Whether another `then`, `catch`, or `finally` continuation follows this continuation. + * @param continuationArgName The argument name for the continuation that follows this call. + */ + function transformThen(node, onFulfilled, onRejected, transformer, hasContinuation, continuationArgName) { + if (!onFulfilled || isNullOrUndefined(transformer, onFulfilled)) { + // If we don't have an `onfulfilled` callback, try treating this as a `.catch`. + return transformCatch(node, onRejected, transformer, hasContinuation, continuationArgName); + } + // We don't currently support transforming a `.then` with both onfulfilled and onrejected handlers, per GH#38152. + if (onRejected && !isNullOrUndefined(transformer, onRejected)) { + return silentFail(); + } + var inputArgName = getArgBindingName(onFulfilled, transformer); + // Transform the left-hand-side of `.then` into an array of inlined statements. We pass `true` for hasContinuation as `node` is the outer continuation. + var inlinedLeftHandSide = transformExpression(node.expression.expression, node.expression.expression, transformer, /*hasContinuation*/ true, inputArgName); + if (hasFailed()) + return silentFail(); // shortcut out of more work + // Transform the callback argument into an array of inlined statements. We pass whether we have an outer continuation here + // as that indicates whether `return` is valid. + var inlinedCallback = transformCallbackArgument(onFulfilled, hasContinuation, continuationArgName, inputArgName, node, transformer); + if (hasFailed()) + return silentFail(); // shortcut out of more work + return ts.concatenate(inlinedLeftHandSide, inlinedCallback); + } + /** + * Transforms the 'x' part of `x.then(...)`, or the 'y()' part of `y().catch(...)`, where 'x' and 'y()' are Promises. + */ + function transformPromiseExpressionOfPropertyAccess(returnContextNode, node, transformer, hasContinuation, continuationArgName) { + if (shouldReturn(returnContextNode, transformer)) { + var returnValue = ts.getSynthesizedDeepClone(node); + if (hasContinuation) { + returnValue = ts.factory.createAwaitExpression(returnValue); + } + return [ts.factory.createReturnStatement(returnValue)]; + } + return createVariableOrAssignmentOrExpressionStatement(continuationArgName, ts.factory.createAwaitExpression(node), /*typeAnnotation*/ undefined); + } + function createVariableOrAssignmentOrExpressionStatement(variableName, rightHandSide, typeAnnotation) { + if (!variableName || isEmptyBindingName(variableName)) { + // if there's no argName to assign to, there still might be side effects + return [ts.factory.createExpressionStatement(rightHandSide)]; + } + if (isSynthIdentifier(variableName) && variableName.hasBeenDeclared) { + // if the variable has already been declared, we don't need "let" or "const" + return [ts.factory.createExpressionStatement(ts.factory.createAssignment(ts.getSynthesizedDeepClone(referenceSynthIdentifier(variableName)), rightHandSide))]; + } + return [ + ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ + ts.factory.createVariableDeclaration(ts.getSynthesizedDeepClone(declareSynthBindingName(variableName)), + /*exclamationToken*/ undefined, typeAnnotation, rightHandSide) + ], 2 /* NodeFlags.Const */)) + ]; + } + function maybeAnnotateAndReturn(expressionToReturn, typeAnnotation) { + if (typeAnnotation && expressionToReturn) { + var name = ts.factory.createUniqueName("result", 16 /* GeneratedIdentifierFlags.Optimistic */); + return __spreadArray(__spreadArray([], createVariableOrAssignmentOrExpressionStatement(createSynthIdentifier(name), expressionToReturn, typeAnnotation), true), [ + ts.factory.createReturnStatement(name) + ], false); + } + return [ts.factory.createReturnStatement(expressionToReturn)]; + } + // should be kept up to date with isFixablePromiseArgument in suggestionDiagnostics.ts + /** + * @param hasContinuation Whether another `then`, `catch`, or `finally` continuation follows the continuation to which this callback belongs. + * @param continuationArgName The argument name for the continuation that follows this call. + * @param inputArgName The argument name provided to this call + */ + function transformCallbackArgument(func, hasContinuation, continuationArgName, inputArgName, parent, transformer) { + var _a; + switch (func.kind) { + case 104 /* SyntaxKind.NullKeyword */: + // do not produce a transformed statement for a null argument + break; + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 79 /* SyntaxKind.Identifier */: // identifier includes undefined + if (!inputArgName) { + // undefined was argument passed to promise handler + break; + } + var synthCall = ts.factory.createCallExpression(ts.getSynthesizedDeepClone(func), /*typeArguments*/ undefined, isSynthIdentifier(inputArgName) ? [referenceSynthIdentifier(inputArgName)] : []); + if (shouldReturn(parent, transformer)) { + return maybeAnnotateAndReturn(synthCall, getExplicitPromisedTypeOfPromiseReturningCallExpression(parent, func, transformer.checker)); + } + var type = transformer.checker.getTypeAtLocation(func); + var callSignatures = transformer.checker.getSignaturesOfType(type, 0 /* SignatureKind.Call */); + if (!callSignatures.length) { + // if identifier in handler has no call signatures, it's invalid + return silentFail(); + } + var returnType = callSignatures[0].getReturnType(); + var varDeclOrAssignment = createVariableOrAssignmentOrExpressionStatement(continuationArgName, ts.factory.createAwaitExpression(synthCall), getExplicitPromisedTypeOfPromiseReturningCallExpression(parent, func, transformer.checker)); + if (continuationArgName) { + continuationArgName.types.push(transformer.checker.getAwaitedType(returnType) || returnType); + } + return varDeclOrAssignment; + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: { + var funcBody = func.body; + var returnType_1 = (_a = getLastCallSignature(transformer.checker.getTypeAtLocation(func), transformer.checker)) === null || _a === void 0 ? void 0 : _a.getReturnType(); + // Arrow functions with block bodies { } will enter this control flow + if (ts.isBlock(funcBody)) { + var refactoredStmts = []; + var seenReturnStatement = false; + for (var _i = 0, _b = funcBody.statements; _i < _b.length; _i++) { + var statement = _b[_i]; + if (ts.isReturnStatement(statement)) { + seenReturnStatement = true; + if (ts.isReturnStatementWithFixablePromiseHandler(statement, transformer.checker)) { + refactoredStmts = refactoredStmts.concat(transformReturnStatementWithFixablePromiseHandler(transformer, statement, hasContinuation, continuationArgName)); + } + else { + var possiblyAwaitedRightHandSide = returnType_1 && statement.expression ? getPossiblyAwaitedRightHandSide(transformer.checker, returnType_1, statement.expression) : statement.expression; + refactoredStmts.push.apply(refactoredStmts, maybeAnnotateAndReturn(possiblyAwaitedRightHandSide, getExplicitPromisedTypeOfPromiseReturningCallExpression(parent, func, transformer.checker))); + } + } + else if (hasContinuation && ts.forEachReturnStatement(statement, ts.returnTrue)) { + // If there is a nested `return` in a callback that has a trailing continuation, we don't transform it as the resulting complexity is too great. For example: + // + // source | result + // -------------------------------------| --------------------------------------- + // function f(): Promise { | async function f9(): Promise { + // return foo().then(() => { | await foo(); + // if (Math.random()) { | if (Math.random()) { + // return 1; | return 1; // incorrect early return + // } | } + // return 2; | return 2; // incorrect early return + // }).then(a => { | const a = undefined; + // return a + 1; | return a + 1; + // }); | } + // } | + // + // However, branching returns in the outermost continuation are acceptable as no other continuation follows it: + // + // source | result + //--------------------------------------|--------------------------------------- + // function f() { | async function f() { + // return foo().then(res => { | const res = await foo(); + // if (res.ok) { | if (res.ok) { + // return 1; | return 1; + // } | } + // else { | else { + // if (res.buffer.length > 5) { | if (res.buffer.length > 5) { + // return 2; | return 2; + // } | } + // else { | else { + // return 3; | return 3; + // } | } + // } | } + // }); | } + // } | + // + // We may improve this in the future, but for now the heuristics are too complex + return silentFail(); + } + else { + refactoredStmts.push(statement); + } + } + return shouldReturn(parent, transformer) + ? refactoredStmts.map(function (s) { return ts.getSynthesizedDeepClone(s); }) + : removeReturns(refactoredStmts, continuationArgName, transformer, seenReturnStatement); + } + else { + var inlinedStatements = ts.isFixablePromiseHandler(funcBody, transformer.checker) ? + transformReturnStatementWithFixablePromiseHandler(transformer, ts.factory.createReturnStatement(funcBody), hasContinuation, continuationArgName) : + ts.emptyArray; + if (inlinedStatements.length > 0) { + return inlinedStatements; + } + if (returnType_1) { + var possiblyAwaitedRightHandSide = getPossiblyAwaitedRightHandSide(transformer.checker, returnType_1, funcBody); + if (!shouldReturn(parent, transformer)) { + var transformedStatement = createVariableOrAssignmentOrExpressionStatement(continuationArgName, possiblyAwaitedRightHandSide, /*typeAnnotation*/ undefined); + if (continuationArgName) { + continuationArgName.types.push(transformer.checker.getAwaitedType(returnType_1) || returnType_1); + } + return transformedStatement; + } + else { + return maybeAnnotateAndReturn(possiblyAwaitedRightHandSide, getExplicitPromisedTypeOfPromiseReturningCallExpression(parent, func, transformer.checker)); + } + } + else { + return silentFail(); + } + } + } + default: + // If no cases apply, we've found a transformation body we don't know how to handle, so the refactoring should no-op to avoid deleting code. + return silentFail(); + } + return ts.emptyArray; + } + function getPossiblyAwaitedRightHandSide(checker, type, expr) { + var rightHandSide = ts.getSynthesizedDeepClone(expr); + return !!checker.getPromisedTypeOfPromise(type) ? ts.factory.createAwaitExpression(rightHandSide) : rightHandSide; + } + function getLastCallSignature(type, checker) { + var callSignatures = checker.getSignaturesOfType(type, 0 /* SignatureKind.Call */); + return ts.lastOrUndefined(callSignatures); + } + function removeReturns(stmts, prevArgName, transformer, seenReturnStatement) { + var ret = []; + for (var _i = 0, stmts_1 = stmts; _i < stmts_1.length; _i++) { + var stmt = stmts_1[_i]; + if (ts.isReturnStatement(stmt)) { + if (stmt.expression) { + var possiblyAwaitedExpression = isPromiseTypedExpression(stmt.expression, transformer.checker) ? ts.factory.createAwaitExpression(stmt.expression) : stmt.expression; + if (prevArgName === undefined) { + ret.push(ts.factory.createExpressionStatement(possiblyAwaitedExpression)); + } + else if (isSynthIdentifier(prevArgName) && prevArgName.hasBeenDeclared) { + ret.push(ts.factory.createExpressionStatement(ts.factory.createAssignment(referenceSynthIdentifier(prevArgName), possiblyAwaitedExpression))); + } + else { + ret.push(ts.factory.createVariableStatement(/*modifiers*/ undefined, (ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(declareSynthBindingName(prevArgName), /*exclamationToken*/ undefined, /*type*/ undefined, possiblyAwaitedExpression)], 2 /* NodeFlags.Const */)))); + } + } + } + else { + ret.push(ts.getSynthesizedDeepClone(stmt)); + } + } + // if block has no return statement, need to define prevArgName as undefined to prevent undeclared variables + if (!seenReturnStatement && prevArgName !== undefined) { + ret.push(ts.factory.createVariableStatement(/*modifiers*/ undefined, (ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(declareSynthBindingName(prevArgName), /*exclamationToken*/ undefined, /*type*/ undefined, ts.factory.createIdentifier("undefined"))], 2 /* NodeFlags.Const */)))); + } + return ret; + } + /** + * @param hasContinuation Whether another `then`, `catch`, or `finally` continuation follows the continuation to which this statement belongs. + * @param continuationArgName The argument name for the continuation that follows this call. + */ + function transformReturnStatementWithFixablePromiseHandler(transformer, innerRetStmt, hasContinuation, continuationArgName) { + var innerCbBody = []; + ts.forEachChild(innerRetStmt, function visit(node) { + if (ts.isCallExpression(node)) { + var temp = transformExpression(node, node, transformer, hasContinuation, continuationArgName); + innerCbBody = innerCbBody.concat(temp); + if (innerCbBody.length > 0) { + return; + } + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, visit); + } + }); + return innerCbBody; + } + function getArgBindingName(funcNode, transformer) { + var types = []; + var name; + if (ts.isFunctionLikeDeclaration(funcNode)) { + if (funcNode.parameters.length > 0) { + var param = funcNode.parameters[0].name; + name = getMappedBindingNameOrDefault(param); + } + } + else if (ts.isIdentifier(funcNode)) { + name = getMapEntryOrDefault(funcNode); + } + else if (ts.isPropertyAccessExpression(funcNode) && ts.isIdentifier(funcNode.name)) { + name = getMapEntryOrDefault(funcNode.name); + } + // return undefined argName when arg is null or undefined + // eslint-disable-next-line no-in-operator + if (!name || "identifier" in name && name.identifier.text === "undefined") { + return undefined; + } + return name; + function getMappedBindingNameOrDefault(bindingName) { + if (ts.isIdentifier(bindingName)) + return getMapEntryOrDefault(bindingName); + var elements = ts.flatMap(bindingName.elements, function (element) { + if (ts.isOmittedExpression(element)) + return []; + return [getMappedBindingNameOrDefault(element.name)]; + }); + return createSynthBindingPattern(bindingName, elements); + } + function getMapEntryOrDefault(identifier) { + var originalNode = getOriginalNode(identifier); + var symbol = getSymbol(originalNode); + if (!symbol) { + return createSynthIdentifier(identifier, types); + } + var mapEntry = transformer.synthNamesMap.get(ts.getSymbolId(symbol).toString()); + return mapEntry || createSynthIdentifier(identifier, types); + } + function getSymbol(node) { + return node.symbol ? node.symbol : transformer.checker.getSymbolAtLocation(node); + } + function getOriginalNode(node) { + return node.original ? node.original : node; + } + } + function isEmptyBindingName(bindingName) { + if (!bindingName) { + return true; + } + if (isSynthIdentifier(bindingName)) { + return !bindingName.identifier.text; + } + return ts.every(bindingName.elements, isEmptyBindingName); + } + function createSynthIdentifier(identifier, types) { + if (types === void 0) { types = []; } + return { kind: 0 /* SynthBindingNameKind.Identifier */, identifier: identifier, types: types, hasBeenDeclared: false, hasBeenReferenced: false }; + } + function createSynthBindingPattern(bindingPattern, elements, types) { + if (elements === void 0) { elements = ts.emptyArray; } + if (types === void 0) { types = []; } + return { kind: 1 /* SynthBindingNameKind.BindingPattern */, bindingPattern: bindingPattern, elements: elements, types: types }; + } + function referenceSynthIdentifier(synthId) { + synthId.hasBeenReferenced = true; + return synthId.identifier; + } + function declareSynthBindingName(synthName) { + return isSynthIdentifier(synthName) ? declareSynthIdentifier(synthName) : declareSynthBindingPattern(synthName); + } + function declareSynthBindingPattern(synthPattern) { + for (var _i = 0, _a = synthPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + declareSynthBindingName(element); + } + return synthPattern.bindingPattern; + } + function declareSynthIdentifier(synthId) { + synthId.hasBeenDeclared = true; + return synthId.identifier; + } + function isSynthIdentifier(bindingName) { + return bindingName.kind === 0 /* SynthBindingNameKind.Identifier */; + } + function isSynthBindingPattern(bindingName) { + return bindingName.kind === 1 /* SynthBindingNameKind.BindingPattern */; + } + function shouldReturn(expression, transformer) { + return !!expression.original && transformer.setOfExpressionsToReturn.has(ts.getNodeId(expression.original)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + codefix.registerCodeFix({ + errorCodes: [ts.Diagnostics.File_is_a_CommonJS_module_it_may_be_converted_to_an_ES_module.code], + getCodeActions: function (context) { + var sourceFile = context.sourceFile, program = context.program, preferences = context.preferences; + var changes = ts.textChanges.ChangeTracker.with(context, function (changes) { + var moduleExportsChangedToDefault = convertFileToEsModule(sourceFile, program.getTypeChecker(), changes, ts.getEmitScriptTarget(program.getCompilerOptions()), ts.getQuotePreference(sourceFile, preferences)); + if (moduleExportsChangedToDefault) { + for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { + var importingFile = _a[_i]; + fixImportOfModuleExports(importingFile, sourceFile, changes, ts.getQuotePreference(importingFile, preferences)); + } + } + }); + // No support for fix-all since this applies to the whole file at once anyway. + return [codefix.createCodeFixActionWithoutFixAll("convertToEsModule", changes, ts.Diagnostics.Convert_to_ES_module)]; + }, + }); + function fixImportOfModuleExports(importingFile, exportingFile, changes, quotePreference) { + for (var _i = 0, _a = importingFile.imports; _i < _a.length; _i++) { + var moduleSpecifier = _a[_i]; + var imported = ts.getResolvedModule(importingFile, moduleSpecifier.text, ts.getModeForUsageLocation(importingFile, moduleSpecifier)); + if (!imported || imported.resolvedFileName !== exportingFile.fileName) { + continue; + } + var importNode = ts.importFromModuleSpecifier(moduleSpecifier); + switch (importNode.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + changes.replaceNode(importingFile, importNode, ts.makeImport(importNode.name, /*namedImports*/ undefined, moduleSpecifier, quotePreference)); + break; + case 208 /* SyntaxKind.CallExpression */: + if (ts.isRequireCall(importNode, /*checkArgumentIsStringLiteralLike*/ false)) { + changes.replaceNode(importingFile, importNode, ts.factory.createPropertyAccessExpression(ts.getSynthesizedDeepClone(importNode), "default")); + } + break; + } + } + } + /** @returns Whether we converted a `module.exports =` to a default export. */ + function convertFileToEsModule(sourceFile, checker, changes, target, quotePreference) { + var identifiers = { original: collectFreeIdentifiers(sourceFile), additional: new ts.Set() }; + var exports = collectExportRenames(sourceFile, checker, identifiers); + convertExportsAccesses(sourceFile, exports, changes); + var moduleExportsChangedToDefault = false; + var useSitesToUnqualify; + // Process variable statements first to collect use sites that need to be updated inside other transformations + for (var _i = 0, _a = ts.filter(sourceFile.statements, ts.isVariableStatement); _i < _a.length; _i++) { + var statement = _a[_i]; + var newUseSites = convertVariableStatement(sourceFile, statement, changes, checker, identifiers, target, quotePreference); + if (newUseSites) { + ts.copyEntries(newUseSites, useSitesToUnqualify !== null && useSitesToUnqualify !== void 0 ? useSitesToUnqualify : (useSitesToUnqualify = new ts.Map())); + } + } + // `convertStatement` will delete entries from `useSitesToUnqualify` when containing statements are replaced + for (var _b = 0, _c = ts.filter(sourceFile.statements, function (s) { return !ts.isVariableStatement(s); }); _b < _c.length; _b++) { + var statement = _c[_b]; + var moduleExportsChanged = convertStatement(sourceFile, statement, checker, changes, identifiers, target, exports, useSitesToUnqualify, quotePreference); + moduleExportsChangedToDefault = moduleExportsChangedToDefault || moduleExportsChanged; + } + // Remaining use sites can be changed directly + useSitesToUnqualify === null || useSitesToUnqualify === void 0 ? void 0 : useSitesToUnqualify.forEach(function (replacement, original) { + changes.replaceNode(sourceFile, original, replacement); + }); + return moduleExportsChangedToDefault; + } + function collectExportRenames(sourceFile, checker, identifiers) { + var res = new ts.Map(); + forEachExportReference(sourceFile, function (node) { + var _a = node.name, text = _a.text, originalKeywordKind = _a.originalKeywordKind; + if (!res.has(text) && (originalKeywordKind !== undefined && ts.isNonContextualKeyword(originalKeywordKind) + || checker.resolveName(text, node, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ true))) { + // Unconditionally add an underscore in case `text` is a keyword. + res.set(text, makeUniqueName("_".concat(text), identifiers)); + } + }); + return res; + } + function convertExportsAccesses(sourceFile, exports, changes) { + forEachExportReference(sourceFile, function (node, isAssignmentLhs) { + if (isAssignmentLhs) { + return; + } + var text = node.name.text; + changes.replaceNode(sourceFile, node, ts.factory.createIdentifier(exports.get(text) || text)); + }); + } + function forEachExportReference(sourceFile, cb) { + sourceFile.forEachChild(function recur(node) { + if (ts.isPropertyAccessExpression(node) && ts.isExportsOrModuleExportsOrAlias(sourceFile, node.expression) && ts.isIdentifier(node.name)) { + var parent = node.parent; + cb(node, ts.isBinaryExpression(parent) && parent.left === node && parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */); + } + node.forEachChild(recur); + }); + } + function convertStatement(sourceFile, statement, checker, changes, identifiers, target, exports, useSitesToUnqualify, quotePreference) { + switch (statement.kind) { + case 237 /* SyntaxKind.VariableStatement */: + convertVariableStatement(sourceFile, statement, changes, checker, identifiers, target, quotePreference); + return false; + case 238 /* SyntaxKind.ExpressionStatement */: { + var expression = statement.expression; + switch (expression.kind) { + case 208 /* SyntaxKind.CallExpression */: { + if (ts.isRequireCall(expression, /*checkArgumentIsStringLiteralLike*/ true)) { + // For side-effecting require() call, just make a side-effecting import. + changes.replaceNode(sourceFile, statement, ts.makeImport(/*name*/ undefined, /*namedImports*/ undefined, expression.arguments[0], quotePreference)); + } + return false; + } + case 221 /* SyntaxKind.BinaryExpression */: { + var operatorToken = expression.operatorToken; + return operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && convertAssignment(sourceFile, checker, expression, changes, exports, useSitesToUnqualify); + } + } + } + // falls through + default: + return false; + } + } + function convertVariableStatement(sourceFile, statement, changes, checker, identifiers, target, quotePreference) { + var declarationList = statement.declarationList; + var foundImport = false; + var converted = ts.map(declarationList.declarations, function (decl) { + var name = decl.name, initializer = decl.initializer; + if (initializer) { + if (ts.isExportsOrModuleExportsOrAlias(sourceFile, initializer)) { + // `const alias = module.exports;` can be removed. + foundImport = true; + return convertedImports([]); + } + else if (ts.isRequireCall(initializer, /*checkArgumentIsStringLiteralLike*/ true)) { + foundImport = true; + return convertSingleImport(name, initializer.arguments[0], checker, identifiers, target, quotePreference); + } + else if (ts.isPropertyAccessExpression(initializer) && ts.isRequireCall(initializer.expression, /*checkArgumentIsStringLiteralLike*/ true)) { + foundImport = true; + return convertPropertyAccessImport(name, initializer.name.text, initializer.expression.arguments[0], identifiers, quotePreference); + } + } + // Move it out to its own variable statement. (This will not be used if `!foundImport`) + return convertedImports([ts.factory.createVariableStatement(/*modifiers*/ undefined, ts.factory.createVariableDeclarationList([decl], declarationList.flags))]); + }); + if (foundImport) { + // useNonAdjustedEndPosition to ensure we don't eat the newline after the statement. + changes.replaceNodeWithNodes(sourceFile, statement, ts.flatMap(converted, function (c) { return c.newImports; })); + var combinedUseSites_1; + ts.forEach(converted, function (c) { + if (c.useSitesToUnqualify) { + ts.copyEntries(c.useSitesToUnqualify, combinedUseSites_1 !== null && combinedUseSites_1 !== void 0 ? combinedUseSites_1 : (combinedUseSites_1 = new ts.Map())); + } + }); + return combinedUseSites_1; + } + } + /** Converts `const name = require("moduleSpecifier").propertyName` */ + function convertPropertyAccessImport(name, propertyName, moduleSpecifier, identifiers, quotePreference) { + switch (name.kind) { + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 202 /* SyntaxKind.ArrayBindingPattern */: { + // `const [a, b] = require("c").d` --> `import { d } from "c"; const [a, b] = d;` + var tmp = makeUniqueName(propertyName, identifiers); + return convertedImports([ + makeSingleImport(tmp, propertyName, moduleSpecifier, quotePreference), + makeConst(/*modifiers*/ undefined, name, ts.factory.createIdentifier(tmp)), + ]); + } + case 79 /* SyntaxKind.Identifier */: + // `const a = require("b").c` --> `import { c as a } from "./b"; + return convertedImports([makeSingleImport(name.text, propertyName, moduleSpecifier, quotePreference)]); + default: + return ts.Debug.assertNever(name, "Convert to ES module got invalid syntax form ".concat(name.kind)); + } + } + function convertAssignment(sourceFile, checker, assignment, changes, exports, useSitesToUnqualify) { + var left = assignment.left, right = assignment.right; + if (!ts.isPropertyAccessExpression(left)) { + return false; + } + if (ts.isExportsOrModuleExportsOrAlias(sourceFile, left)) { + if (ts.isExportsOrModuleExportsOrAlias(sourceFile, right)) { + // `const alias = module.exports;` or `module.exports = alias;` can be removed. + changes.delete(sourceFile, assignment.parent); + } + else { + var replacement = ts.isObjectLiteralExpression(right) ? tryChangeModuleExportsObject(right, useSitesToUnqualify) + : ts.isRequireCall(right, /*checkArgumentIsStringLiteralLike*/ true) ? convertReExportAll(right.arguments[0], checker) + : undefined; + if (replacement) { + changes.replaceNodeWithNodes(sourceFile, assignment.parent, replacement[0]); + return replacement[1]; + } + else { + changes.replaceRangeWithText(sourceFile, ts.createRange(left.getStart(sourceFile), right.pos), "export default"); + return true; + } + } + } + else if (ts.isExportsOrModuleExportsOrAlias(sourceFile, left.expression)) { + convertNamedExport(sourceFile, assignment, changes, exports); + } + return false; + } + /** + * Convert `module.exports = { ... }` to individual exports.. + * We can't always do this if the module has interesting members -- then it will be a default export instead. + */ + function tryChangeModuleExportsObject(object, useSitesToUnqualify) { + var statements = ts.mapAllOrFail(object.properties, function (prop) { + switch (prop.kind) { + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + // TODO: Maybe we should handle this? See fourslash test `refactorConvertToEs6Module_export_object_shorthand.ts`. + // falls through + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 298 /* SyntaxKind.SpreadAssignment */: + return undefined; + case 296 /* SyntaxKind.PropertyAssignment */: + return !ts.isIdentifier(prop.name) ? undefined : convertExportsDotXEquals_replaceNode(prop.name.text, prop.initializer, useSitesToUnqualify); + case 169 /* SyntaxKind.MethodDeclaration */: + return !ts.isIdentifier(prop.name) ? undefined : functionExpressionToDeclaration(prop.name.text, [ts.factory.createToken(93 /* SyntaxKind.ExportKeyword */)], prop, useSitesToUnqualify); + default: + ts.Debug.assertNever(prop, "Convert to ES6 got invalid prop kind ".concat(prop.kind)); + } + }); + return statements && [statements, false]; + } + function convertNamedExport(sourceFile, assignment, changes, exports) { + // If "originalKeywordKind" was set, this is e.g. `exports. + var text = assignment.left.name.text; + var rename = exports.get(text); + if (rename !== undefined) { + /* + const _class = 0; + export { _class as class }; + */ + var newNodes = [ + makeConst(/*modifiers*/ undefined, rename, assignment.right), + makeExportDeclaration([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, rename, text)]), + ]; + changes.replaceNodeWithNodes(sourceFile, assignment.parent, newNodes); + } + else { + convertExportsPropertyAssignment(assignment, sourceFile, changes); + } + } + function convertReExportAll(reExported, checker) { + // `module.exports = require("x");` ==> `export * from "x"; export { default } from "x";` + var moduleSpecifier = reExported.text; + var moduleSymbol = checker.getSymbolAtLocation(reExported); + var exports = moduleSymbol ? moduleSymbol.exports : ts.emptyMap; + return exports.has("export=" /* InternalSymbolName.ExportEquals */) ? [[reExportDefault(moduleSpecifier)], true] : + !exports.has("default" /* InternalSymbolName.Default */) ? [[reExportStar(moduleSpecifier)], false] : + // If there's some non-default export, must include both `export *` and `export default`. + exports.size > 1 ? [[reExportStar(moduleSpecifier), reExportDefault(moduleSpecifier)], true] : [[reExportDefault(moduleSpecifier)], true]; + } + function reExportStar(moduleSpecifier) { + return makeExportDeclaration(/*exportClause*/ undefined, moduleSpecifier); + } + function reExportDefault(moduleSpecifier) { + return makeExportDeclaration([ts.factory.createExportSpecifier(/*isTypeOnly*/ false, /*propertyName*/ undefined, "default")], moduleSpecifier); + } + function convertExportsPropertyAssignment(_a, sourceFile, changes) { + var left = _a.left, right = _a.right, parent = _a.parent; + var name = left.name.text; + if ((ts.isFunctionExpression(right) || ts.isArrowFunction(right) || ts.isClassExpression(right)) && (!right.name || right.name.text === name)) { + // `exports.f = function() {}` -> `export function f() {}` -- Replace `exports.f = ` with `export `, and insert the name after `function`. + changes.replaceRange(sourceFile, { pos: left.getStart(sourceFile), end: right.getStart(sourceFile) }, ts.factory.createToken(93 /* SyntaxKind.ExportKeyword */), { suffix: " " }); + if (!right.name) + changes.insertName(sourceFile, right, name); + var semi = ts.findChildOfKind(parent, 26 /* SyntaxKind.SemicolonToken */, sourceFile); + if (semi) + changes.delete(sourceFile, semi); + } + else { + // `exports.f = function g() {}` -> `export const f = function g() {}` -- just replace `exports.` with `export const ` + changes.replaceNodeRangeWithNodes(sourceFile, left.expression, ts.findChildOfKind(left, 24 /* SyntaxKind.DotToken */, sourceFile), [ts.factory.createToken(93 /* SyntaxKind.ExportKeyword */), ts.factory.createToken(85 /* SyntaxKind.ConstKeyword */)], { joiner: " ", suffix: " " }); + } + } + // TODO: GH#22492 this will cause an error if a change has been made inside the body of the node. + function convertExportsDotXEquals_replaceNode(name, exported, useSitesToUnqualify) { + var modifiers = [ts.factory.createToken(93 /* SyntaxKind.ExportKeyword */)]; + switch (exported.kind) { + case 213 /* SyntaxKind.FunctionExpression */: { + var expressionName = exported.name; + if (expressionName && expressionName.text !== name) { + // `exports.f = function g() {}` -> `export const f = function g() {}` + return exportConst(); + } + } + // falls through + case 214 /* SyntaxKind.ArrowFunction */: + // `exports.f = function() {}` --> `export function f() {}` + return functionExpressionToDeclaration(name, modifiers, exported, useSitesToUnqualify); + case 226 /* SyntaxKind.ClassExpression */: + // `exports.C = class {}` --> `export class C {}` + return classExpressionToDeclaration(name, modifiers, exported, useSitesToUnqualify); + default: + return exportConst(); + } + function exportConst() { + // `exports.x = 0;` --> `export const x = 0;` + return makeConst(modifiers, ts.factory.createIdentifier(name), replaceImportUseSites(exported, useSitesToUnqualify)); // TODO: GH#18217 + } + } + function replaceImportUseSites(nodeOrNodes, useSitesToUnqualify) { + if (!useSitesToUnqualify || !ts.some(ts.arrayFrom(useSitesToUnqualify.keys()), function (original) { return ts.rangeContainsRange(nodeOrNodes, original); })) { + return nodeOrNodes; + } + return ts.isArray(nodeOrNodes) + ? ts.getSynthesizedDeepClonesWithReplacements(nodeOrNodes, /*includeTrivia*/ true, replaceNode) + : ts.getSynthesizedDeepCloneWithReplacements(nodeOrNodes, /*includeTrivia*/ true, replaceNode); + function replaceNode(original) { + // We are replacing `mod.SomeExport` wih `SomeExport`, so we only need to look at PropertyAccessExpressions + if (original.kind === 206 /* SyntaxKind.PropertyAccessExpression */) { + var replacement = useSitesToUnqualify.get(original); + // Remove entry from `useSitesToUnqualify` so the refactor knows it's taken care of by the parent statement we're replacing + useSitesToUnqualify.delete(original); + return replacement; + } + } + } + /** + * Converts `const <> = require("x");`. + * Returns nodes that will replace the variable declaration for the commonjs import. + * May also make use `changes` to remove qualifiers at the use sites of imports, to change `mod.x` to `x`. + */ + function convertSingleImport(name, moduleSpecifier, checker, identifiers, target, quotePreference) { + switch (name.kind) { + case 201 /* SyntaxKind.ObjectBindingPattern */: { + var importSpecifiers = ts.mapAllOrFail(name.elements, function (e) { + return e.dotDotDotToken || e.initializer || e.propertyName && !ts.isIdentifier(e.propertyName) || !ts.isIdentifier(e.name) + ? undefined + : makeImportSpecifier(e.propertyName && e.propertyName.text, e.name.text); + }); + if (importSpecifiers) { + return convertedImports([ts.makeImport(/*name*/ undefined, importSpecifiers, moduleSpecifier, quotePreference)]); + } + } + // falls through -- object destructuring has an interesting pattern and must be a variable declaration + case 202 /* SyntaxKind.ArrayBindingPattern */: { + /* + import x from "x"; + const [a, b, c] = x; + */ + var tmp = makeUniqueName(codefix.moduleSpecifierToValidIdentifier(moduleSpecifier.text, target), identifiers); + return convertedImports([ + ts.makeImport(ts.factory.createIdentifier(tmp), /*namedImports*/ undefined, moduleSpecifier, quotePreference), + makeConst(/*modifiers*/ undefined, ts.getSynthesizedDeepClone(name), ts.factory.createIdentifier(tmp)), + ]); + } + case 79 /* SyntaxKind.Identifier */: + return convertSingleIdentifierImport(name, moduleSpecifier, checker, identifiers, quotePreference); + default: + return ts.Debug.assertNever(name, "Convert to ES module got invalid name kind ".concat(name.kind)); + } + } + /** + * Convert `import x = require("x").` + * Also: + * - Convert `x.default()` to `x()` to handle ES6 default export + * - Converts uses like `x.y()` to `y()` and uses a named import. + */ + function convertSingleIdentifierImport(name, moduleSpecifier, checker, identifiers, quotePreference) { + var nameSymbol = checker.getSymbolAtLocation(name); + // Maps from module property name to name actually used. (The same if there isn't shadowing.) + var namedBindingsNames = new ts.Map(); + // True if there is some non-property use like `x()` or `f(x)`. + var needDefaultImport = false; + var useSitesToUnqualify; + for (var _i = 0, _a = identifiers.original.get(name.text); _i < _a.length; _i++) { + var use = _a[_i]; + if (checker.getSymbolAtLocation(use) !== nameSymbol || use === name) { + // This was a use of a different symbol with the same name, due to shadowing. Ignore. + continue; + } + var parent = use.parent; + if (ts.isPropertyAccessExpression(parent)) { + var propertyName = parent.name.text; + if (propertyName === "default") { + needDefaultImport = true; + var importDefaultName = use.getText(); + (useSitesToUnqualify !== null && useSitesToUnqualify !== void 0 ? useSitesToUnqualify : (useSitesToUnqualify = new ts.Map())).set(parent, ts.factory.createIdentifier(importDefaultName)); + } + else { + ts.Debug.assert(parent.expression === use, "Didn't expect expression === use"); // Else shouldn't have been in `collectIdentifiers` + var idName = namedBindingsNames.get(propertyName); + if (idName === undefined) { + idName = makeUniqueName(propertyName, identifiers); + namedBindingsNames.set(propertyName, idName); + } + (useSitesToUnqualify !== null && useSitesToUnqualify !== void 0 ? useSitesToUnqualify : (useSitesToUnqualify = new ts.Map())).set(parent, ts.factory.createIdentifier(idName)); + } + } + else { + needDefaultImport = true; + } + } + var namedBindings = namedBindingsNames.size === 0 ? undefined : ts.arrayFrom(ts.mapIterator(namedBindingsNames.entries(), function (_a) { + var propertyName = _a[0], idName = _a[1]; + return ts.factory.createImportSpecifier(/*isTypeOnly*/ false, propertyName === idName ? undefined : ts.factory.createIdentifier(propertyName), ts.factory.createIdentifier(idName)); + })); + if (!namedBindings) { + // If it was unused, ensure that we at least import *something*. + needDefaultImport = true; + } + return convertedImports([ts.makeImport(needDefaultImport ? ts.getSynthesizedDeepClone(name) : undefined, namedBindings, moduleSpecifier, quotePreference)], useSitesToUnqualify); + } + // Identifiers helpers + function makeUniqueName(name, identifiers) { + while (identifiers.original.has(name) || identifiers.additional.has(name)) { + name = "_".concat(name); + } + identifiers.additional.add(name); + return name; + } + function collectFreeIdentifiers(file) { + var map = ts.createMultiMap(); + forEachFreeIdentifier(file, function (id) { return map.add(id.text, id); }); + return map; + } + /** + * A free identifier is an identifier that can be accessed through name lookup as a local variable. + * In the expression `x.y`, `x` is a free identifier, but `y` is not. + */ + function forEachFreeIdentifier(node, cb) { + if (ts.isIdentifier(node) && isFreeIdentifier(node)) + cb(node); + node.forEachChild(function (child) { return forEachFreeIdentifier(child, cb); }); + } + function isFreeIdentifier(node) { + var parent = node.parent; + switch (parent.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + return parent.name !== node; + case 203 /* SyntaxKind.BindingElement */: + return parent.propertyName !== node; + case 270 /* SyntaxKind.ImportSpecifier */: + return parent.propertyName !== node; + default: + return true; + } + } + // Node helpers + function functionExpressionToDeclaration(name, additionalModifiers, fn, useSitesToUnqualify) { + return ts.factory.createFunctionDeclaration(ts.getSynthesizedDeepClones(fn.decorators), // TODO: GH#19915 Don't think this is even legal. + ts.concatenate(additionalModifiers, ts.getSynthesizedDeepClones(fn.modifiers)), ts.getSynthesizedDeepClone(fn.asteriskToken), name, ts.getSynthesizedDeepClones(fn.typeParameters), ts.getSynthesizedDeepClones(fn.parameters), ts.getSynthesizedDeepClone(fn.type), ts.factory.converters.convertToFunctionBlock(replaceImportUseSites(fn.body, useSitesToUnqualify))); + } + function classExpressionToDeclaration(name, additionalModifiers, cls, useSitesToUnqualify) { + return ts.factory.createClassDeclaration(ts.getSynthesizedDeepClones(cls.decorators), // TODO: GH#19915 Don't think this is even legal. + ts.concatenate(additionalModifiers, ts.getSynthesizedDeepClones(cls.modifiers)), name, ts.getSynthesizedDeepClones(cls.typeParameters), ts.getSynthesizedDeepClones(cls.heritageClauses), replaceImportUseSites(cls.members, useSitesToUnqualify)); + } + function makeSingleImport(localName, propertyName, moduleSpecifier, quotePreference) { + return propertyName === "default" + ? ts.makeImport(ts.factory.createIdentifier(localName), /*namedImports*/ undefined, moduleSpecifier, quotePreference) + : ts.makeImport(/*name*/ undefined, [makeImportSpecifier(propertyName, localName)], moduleSpecifier, quotePreference); + } + function makeImportSpecifier(propertyName, name) { + return ts.factory.createImportSpecifier(/*isTypeOnly*/ false, propertyName !== undefined && propertyName !== name ? ts.factory.createIdentifier(propertyName) : undefined, ts.factory.createIdentifier(name)); + } + function makeConst(modifiers, name, init) { + return ts.factory.createVariableStatement(modifiers, ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(name, /*exclamationToken*/ undefined, /*type*/ undefined, init)], 2 /* NodeFlags.Const */)); + } + function makeExportDeclaration(exportSpecifiers, moduleSpecifier) { + return ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, exportSpecifiers && ts.factory.createNamedExports(exportSpecifiers), moduleSpecifier === undefined ? undefined : ts.factory.createStringLiteral(moduleSpecifier)); + } + function convertedImports(newImports, useSitesToUnqualify) { + return { + newImports: newImports, + useSitesToUnqualify: useSitesToUnqualify + }; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "correctQualifiedNameToIndexedAccessType"; + var errorCodes = [ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var qualifiedName = getQualifiedName(context.sourceFile, context.span.start); + if (!qualifiedName) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, qualifiedName); }); + var newText = "".concat(qualifiedName.left.text, "[\"").concat(qualifiedName.right.text, "\"]"); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Rewrite_as_the_indexed_access_type_0, newText], fixId, ts.Diagnostics.Rewrite_all_as_indexed_access_types)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var q = getQualifiedName(diag.file, diag.start); + if (q) { + doChange(changes, diag.file, q); + } + }); }, + }); + function getQualifiedName(sourceFile, pos) { + var qualifiedName = ts.findAncestor(ts.getTokenAtPosition(sourceFile, pos), ts.isQualifiedName); + ts.Debug.assert(!!qualifiedName, "Expected position to be owned by a qualified name."); + return ts.isIdentifier(qualifiedName.left) ? qualifiedName : undefined; + } + function doChange(changeTracker, sourceFile, qualifiedName) { + var rightText = qualifiedName.right.text; + var replacement = ts.factory.createIndexedAccessTypeNode(ts.factory.createTypeReferenceNode(qualifiedName.left, /*typeArguments*/ undefined), ts.factory.createLiteralTypeNode(ts.factory.createStringLiteral(rightText))); + changeTracker.replaceNode(sourceFile, qualifiedName, replacement); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodes = [ts.Diagnostics.Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type.code]; + var fixId = "convertToTypeOnlyExport"; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToConvertToTypeOnlyExport(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return fixSingleExportDeclaration(t, getExportSpecifierForDiagnosticSpan(context.span, context.sourceFile), context); }); + if (changes.length) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_type_only_export, fixId, ts.Diagnostics.Convert_all_re_exported_types_to_type_only_exports)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function getAllCodeActionsToConvertToTypeOnlyExport(context) { + var fixedExportDeclarations = new ts.Map(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var exportSpecifier = getExportSpecifierForDiagnosticSpan(diag, context.sourceFile); + if (exportSpecifier && ts.addToSeen(fixedExportDeclarations, ts.getNodeId(exportSpecifier.parent.parent))) { + fixSingleExportDeclaration(changes, exportSpecifier, context); + } + }); + } + }); + function getExportSpecifierForDiagnosticSpan(span, sourceFile) { + return ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start).parent, ts.isExportSpecifier); + } + function fixSingleExportDeclaration(changes, exportSpecifier, context) { + if (!exportSpecifier) { + return; + } + var exportClause = exportSpecifier.parent; + var exportDeclaration = exportClause.parent; + var typeExportSpecifiers = getTypeExportSpecifiers(exportSpecifier, context); + if (typeExportSpecifiers.length === exportClause.elements.length) { + changes.insertModifierBefore(context.sourceFile, 152 /* SyntaxKind.TypeKeyword */, exportClause); + } + else { + var valueExportDeclaration = ts.factory.updateExportDeclaration(exportDeclaration, exportDeclaration.decorators, exportDeclaration.modifiers, + /*isTypeOnly*/ false, ts.factory.updateNamedExports(exportClause, ts.filter(exportClause.elements, function (e) { return !ts.contains(typeExportSpecifiers, e); })), exportDeclaration.moduleSpecifier, + /*assertClause*/ undefined); + var typeExportDeclaration = ts.factory.createExportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ true, ts.factory.createNamedExports(typeExportSpecifiers), exportDeclaration.moduleSpecifier, + /*assertClause*/ undefined); + changes.replaceNode(context.sourceFile, exportDeclaration, valueExportDeclaration, { + leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll, + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Exclude + }); + changes.insertNodeAfter(context.sourceFile, exportDeclaration, typeExportDeclaration); + } + } + function getTypeExportSpecifiers(originExportSpecifier, context) { + var exportClause = originExportSpecifier.parent; + if (exportClause.elements.length === 1) { + return exportClause.elements; + } + var diagnostics = ts.getDiagnosticsWithinSpan(ts.createTextSpanFromNode(exportClause), context.program.getSemanticDiagnostics(context.sourceFile, context.cancellationToken)); + return ts.filter(exportClause.elements, function (element) { + var _a; + return element === originExportSpecifier || ((_a = ts.findDiagnosticForNode(element, diagnostics)) === null || _a === void 0 ? void 0 : _a.code) === errorCodes[0]; + }); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodes = [ts.Diagnostics.This_import_is_never_used_as_a_value_and_must_use_import_type_because_importsNotUsedAsValues_is_set_to_error.code]; + var fixId = "convertToTypeOnlyImport"; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToConvertToTypeOnlyImport(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { + var importDeclaration = getImportDeclarationForDiagnosticSpan(context.span, context.sourceFile); + fixSingleImportDeclaration(t, importDeclaration, context); + }); + if (changes.length) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_type_only_import, fixId, ts.Diagnostics.Convert_all_imports_not_used_as_a_value_to_type_only_imports)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function getAllCodeActionsToConvertToTypeOnlyImport(context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var importDeclaration = getImportDeclarationForDiagnosticSpan(diag, context.sourceFile); + fixSingleImportDeclaration(changes, importDeclaration, context); + }); + } + }); + function getImportDeclarationForDiagnosticSpan(span, sourceFile) { + return ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start).parent, ts.isImportDeclaration); + } + function fixSingleImportDeclaration(changes, importDeclaration, context) { + if (!(importDeclaration === null || importDeclaration === void 0 ? void 0 : importDeclaration.importClause)) { + return; + } + var importClause = importDeclaration.importClause; + // `changes.insertModifierBefore` produces a range that might overlap further changes + changes.insertText(context.sourceFile, importDeclaration.getStart() + "import".length, " type"); + // `import type foo, { Bar }` is not allowed, so move `foo` to new declaration + if (importClause.name && importClause.namedBindings) { + changes.deleteNodeRangeExcludingEnd(context.sourceFile, importClause.name, importDeclaration.importClause.namedBindings); + changes.insertNodeBefore(context.sourceFile, importDeclaration, ts.factory.updateImportDeclaration(importDeclaration, + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createImportClause( + /*isTypeOnly*/ true, importClause.name, + /*namedBindings*/ undefined), importDeclaration.moduleSpecifier, + /*assertClause*/ undefined)); + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "convertLiteralTypeToMappedType"; + var errorCodes = [ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Did_you_mean_to_use_1_in_0.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToConvertLiteralTypeToMappedType(context) { + var sourceFile = context.sourceFile, span = context.span; + var info = getInfo(sourceFile, span.start); + if (!info) { + return undefined; + } + var name = info.name, constraint = info.constraint; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); }); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Convert_0_to_1_in_0, constraint, name], fixId, ts.Diagnostics.Convert_all_type_literals_to_mapped_type)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start); + if (info) { + doChange(changes, diag.file, info); + } + }); } + }); + function getInfo(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + if (ts.isIdentifier(token)) { + var propertySignature = ts.cast(token.parent.parent, ts.isPropertySignature); + var propertyName = token.getText(sourceFile); + return { + container: ts.cast(propertySignature.parent, ts.isTypeLiteralNode), + typeNode: propertySignature.type, + constraint: propertyName, + name: propertyName === "K" ? "P" : "K", + }; + } + return undefined; + } + function doChange(changes, sourceFile, _a) { + var container = _a.container, typeNode = _a.typeNode, constraint = _a.constraint, name = _a.name; + changes.replaceNode(sourceFile, container, ts.factory.createMappedTypeNode( + /*readonlyToken*/ undefined, ts.factory.createTypeParameterDeclaration(/*modifiers*/ undefined, name, ts.factory.createTypeReferenceNode(constraint)), + /*nameType*/ undefined, + /*questionToken*/ undefined, typeNode, + /*members*/ undefined)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodes = [ + ts.Diagnostics.Class_0_incorrectly_implements_interface_1.code, + ts.Diagnostics.Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass.code + ]; + var fixId = "fixClassIncorrectlyImplementsInterface"; // TODO: share a group with fixClassDoesntImplementInheritedAbstractMember? + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var classDeclaration = getClass(sourceFile, span.start); + return ts.mapDefined(ts.getEffectiveImplementsTypeNodes(classDeclaration), function (implementedTypeNode) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMissingDeclarations(context, implementedTypeNode, sourceFile, classDeclaration, t, context.preferences); }); + return changes.length === 0 ? undefined : codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Implement_interface_0, implementedTypeNode.getText(sourceFile)], fixId, ts.Diagnostics.Implement_all_unimplemented_interfaces); + }); + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + var seenClassDeclarations = new ts.Map(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var classDeclaration = getClass(diag.file, diag.start); + if (ts.addToSeen(seenClassDeclarations, ts.getNodeId(classDeclaration))) { + for (var _i = 0, _a = ts.getEffectiveImplementsTypeNodes(classDeclaration); _i < _a.length; _i++) { + var implementedTypeNode = _a[_i]; + addMissingDeclarations(context, implementedTypeNode, diag.file, classDeclaration, changes, context.preferences); + } + } + }); + }, + }); + function getClass(sourceFile, pos) { + return ts.Debug.checkDefined(ts.getContainingClass(ts.getTokenAtPosition(sourceFile, pos)), "There should be a containing class"); + } + function symbolPointsToNonPrivateMember(symbol) { + return !symbol.valueDeclaration || !(ts.getEffectiveModifierFlags(symbol.valueDeclaration) & 8 /* ModifierFlags.Private */); + } + function addMissingDeclarations(context, implementedTypeNode, sourceFile, classDeclaration, changeTracker, preferences) { + var checker = context.program.getTypeChecker(); + var maybeHeritageClauseSymbol = getHeritageClauseSymbolTable(classDeclaration, checker); + // Note that this is ultimately derived from a map indexed by symbol names, + // so duplicates cannot occur. + var implementedType = checker.getTypeAtLocation(implementedTypeNode); + var implementedTypeSymbols = checker.getPropertiesOfType(implementedType); + var nonPrivateAndNotExistedInHeritageClauseMembers = implementedTypeSymbols.filter(ts.and(symbolPointsToNonPrivateMember, function (symbol) { return !maybeHeritageClauseSymbol.has(symbol.escapedName); })); + var classType = checker.getTypeAtLocation(classDeclaration); + var constructor = ts.find(classDeclaration.members, function (m) { return ts.isConstructorDeclaration(m); }); + if (!classType.getNumberIndexType()) { + createMissingIndexSignatureDeclaration(implementedType, 1 /* IndexKind.Number */); + } + if (!classType.getStringIndexType()) { + createMissingIndexSignatureDeclaration(implementedType, 0 /* IndexKind.String */); + } + var importAdder = codefix.createImportAdder(sourceFile, context.program, preferences, context.host); + codefix.createMissingMemberNodes(classDeclaration, nonPrivateAndNotExistedInHeritageClauseMembers, sourceFile, context, preferences, importAdder, function (member) { return insertInterfaceMemberNode(sourceFile, classDeclaration, member); }); + importAdder.writeFixes(changeTracker); + function createMissingIndexSignatureDeclaration(type, kind) { + var indexInfoOfKind = checker.getIndexInfoOfType(type, kind); + if (indexInfoOfKind) { + insertInterfaceMemberNode(sourceFile, classDeclaration, checker.indexInfoToIndexSignatureDeclaration(indexInfoOfKind, classDeclaration, /*flags*/ undefined, codefix.getNoopSymbolTrackerWithResolver(context))); + } + } + // Either adds the node at the top of the class, or if there's a constructor right after that + function insertInterfaceMemberNode(sourceFile, cls, newElement) { + if (constructor) { + changeTracker.insertNodeAfter(sourceFile, constructor, newElement); + } + else { + changeTracker.insertMemberAtStart(sourceFile, cls, newElement); + } + } + } + function getHeritageClauseSymbolTable(classDeclaration, checker) { + var heritageClauseNode = ts.getEffectiveBaseTypeNode(classDeclaration); + if (!heritageClauseNode) + return ts.createSymbolTable(); + var heritageClauseType = checker.getTypeAtLocation(heritageClauseNode); + var heritageClauseTypeSymbols = checker.getPropertiesOfType(heritageClauseType); + return ts.createSymbolTable(heritageClauseTypeSymbols.filter(symbolPointsToNonPrivateMember)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + codefix.importFixName = "import"; + var importFixId = "fixMissingImport"; + var errorCodes = [ + ts.Diagnostics.Cannot_find_name_0.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code, + ts.Diagnostics.Cannot_find_namespace_0.code, + ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead.code, + ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here.code, + ts.Diagnostics.No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer.code, + ts.Diagnostics._0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var errorCode = context.errorCode, preferences = context.preferences, sourceFile = context.sourceFile, span = context.span, program = context.program; + var info = getFixesInfo(context, errorCode, span.start, /*useAutoImportProvider*/ true); + if (!info) + return undefined; + var fixes = info.fixes, symbolName = info.symbolName, errorIdentifierText = info.errorIdentifierText; + var quotePreference = ts.getQuotePreference(sourceFile, preferences); + return fixes.map(function (fix) { return codeActionForFix(context, sourceFile, symbolName, fix, + /*includeSymbolNameInDescription*/ symbolName !== errorIdentifierText, quotePreference, program.getCompilerOptions()); }); + }, + fixIds: [importFixId], + getAllCodeActions: function (context) { + var sourceFile = context.sourceFile, program = context.program, preferences = context.preferences, host = context.host; + var importAdder = createImportAdderWorker(sourceFile, program, /*useAutoImportProvider*/ true, preferences, host); + codefix.eachDiagnostic(context, errorCodes, function (diag) { return importAdder.addImportFromDiagnostic(diag, context); }); + return codefix.createCombinedCodeActions(ts.textChanges.ChangeTracker.with(context, importAdder.writeFixes)); + }, + }); + function createImportAdder(sourceFile, program, preferences, host) { + return createImportAdderWorker(sourceFile, program, /*useAutoImportProvider*/ false, preferences, host); + } + codefix.createImportAdder = createImportAdder; + function createImportAdderWorker(sourceFile, program, useAutoImportProvider, preferences, host) { + var compilerOptions = program.getCompilerOptions(); + // Namespace fixes don't conflict, so just build a list. + var addToNamespace = []; + var importType = []; + /** Keys are import clause node IDs. */ + var addToExisting = new ts.Map(); + /** Use `getNewImportEntry` for access */ + var newImports = new ts.Map(); + return { addImportFromDiagnostic: addImportFromDiagnostic, addImportFromExportedSymbol: addImportFromExportedSymbol, writeFixes: writeFixes, hasFixes: hasFixes }; + function addImportFromDiagnostic(diagnostic, context) { + var info = getFixesInfo(context, diagnostic.code, diagnostic.start, useAutoImportProvider); + if (!info || !info.fixes.length) + return; + addImport(info); + } + function addImportFromExportedSymbol(exportedSymbol, isValidTypeOnlyUseSite) { + var moduleSymbol = ts.Debug.checkDefined(exportedSymbol.parent); + var symbolName = ts.getNameForExportedSymbol(exportedSymbol, ts.getEmitScriptTarget(compilerOptions)); + var checker = program.getTypeChecker(); + var symbol = checker.getMergedSymbol(ts.skipAlias(exportedSymbol, checker)); + var exportInfo = getAllReExportingModules(sourceFile, symbol, moduleSymbol, symbolName, /*isJsxTagName*/ false, host, program, preferences, useAutoImportProvider); + var useRequire = shouldUseRequire(sourceFile, program); + var fix = getImportFixForSymbol(sourceFile, exportInfo, moduleSymbol, program, /*useNamespaceInfo*/ undefined, !!isValidTypeOnlyUseSite, useRequire, host, preferences); + if (fix) { + addImport({ fixes: [fix], symbolName: symbolName, errorIdentifierText: undefined }); + } + } + function addImport(info) { + var _a, _b; + var fixes = info.fixes, symbolName = info.symbolName; + var fix = ts.first(fixes); + switch (fix.kind) { + case 0 /* ImportFixKind.UseNamespace */: + addToNamespace.push(fix); + break; + case 1 /* ImportFixKind.JsdocTypeImport */: + importType.push(fix); + break; + case 2 /* ImportFixKind.AddToExisting */: { + var importClauseOrBindingPattern = fix.importClauseOrBindingPattern, importKind = fix.importKind, addAsTypeOnly = fix.addAsTypeOnly; + var key = String(ts.getNodeId(importClauseOrBindingPattern)); + var entry = addToExisting.get(key); + if (!entry) { + addToExisting.set(key, entry = { importClauseOrBindingPattern: importClauseOrBindingPattern, defaultImport: undefined, namedImports: new ts.Map() }); + } + if (importKind === 0 /* ImportKind.Named */) { + var prevValue = entry === null || entry === void 0 ? void 0 : entry.namedImports.get(symbolName); + entry.namedImports.set(symbolName, reduceAddAsTypeOnlyValues(prevValue, addAsTypeOnly)); + } + else { + ts.Debug.assert(entry.defaultImport === undefined || entry.defaultImport.name === symbolName, "(Add to Existing) Default import should be missing or match symbolName"); + entry.defaultImport = { + name: symbolName, + addAsTypeOnly: reduceAddAsTypeOnlyValues((_a = entry.defaultImport) === null || _a === void 0 ? void 0 : _a.addAsTypeOnly, addAsTypeOnly), + }; + } + break; + } + case 3 /* ImportFixKind.AddNew */: { + var moduleSpecifier = fix.moduleSpecifier, importKind = fix.importKind, useRequire = fix.useRequire, addAsTypeOnly = fix.addAsTypeOnly; + var entry = getNewImportEntry(moduleSpecifier, importKind, useRequire, addAsTypeOnly); + ts.Debug.assert(entry.useRequire === useRequire, "(Add new) Tried to add an `import` and a `require` for the same module"); + switch (importKind) { + case 1 /* ImportKind.Default */: + ts.Debug.assert(entry.defaultImport === undefined || entry.defaultImport.name === symbolName, "(Add new) Default import should be missing or match symbolName"); + entry.defaultImport = { name: symbolName, addAsTypeOnly: reduceAddAsTypeOnlyValues((_b = entry.defaultImport) === null || _b === void 0 ? void 0 : _b.addAsTypeOnly, addAsTypeOnly) }; + break; + case 0 /* ImportKind.Named */: + var prevValue = (entry.namedImports || (entry.namedImports = new ts.Map())).get(symbolName); + entry.namedImports.set(symbolName, reduceAddAsTypeOnlyValues(prevValue, addAsTypeOnly)); + break; + case 3 /* ImportKind.CommonJS */: + case 2 /* ImportKind.Namespace */: + ts.Debug.assert(entry.namespaceLikeImport === undefined || entry.namespaceLikeImport.name === symbolName, "Namespacelike import shoudl be missing or match symbolName"); + entry.namespaceLikeImport = { importKind: importKind, name: symbolName, addAsTypeOnly: addAsTypeOnly }; + break; + } + break; + } + case 4 /* ImportFixKind.PromoteTypeOnly */: + // Excluding from fix-all + break; + default: + ts.Debug.assertNever(fix, "fix wasn't never - got kind ".concat(fix.kind)); + } + function reduceAddAsTypeOnlyValues(prevValue, newValue) { + // `NotAllowed` overrides `Required` because one addition of a new import might be required to be type-only + // because of `--importsNotUsedAsValues=error`, but if a second addition of the same import is `NotAllowed` + // to be type-only, the reason the first one was `Required` - the unused runtime dependency - is now moot. + // Alternatively, if one addition is `Required` because it has no value meaning under `--preserveValueImports` + // and `--isolatedModules`, it should be impossible for another addition to be `NotAllowed` since that would + // mean a type is being referenced in a value location. + return Math.max(prevValue !== null && prevValue !== void 0 ? prevValue : 0, newValue); + } + function getNewImportEntry(moduleSpecifier, importKind, useRequire, addAsTypeOnly) { + // A default import that requires type-only makes the whole import type-only. + // (We could add `default` as a named import, but that style seems undesirable.) + // Under `--preserveValueImports` and `--importsNotUsedAsValues=error`, if a + // module default-exports a type but named-exports some values (weird), you would + // have to use a type-only default import and non-type-only named imports. These + // require two separate import declarations, so we build this into the map key. + var typeOnlyKey = newImportsKey(moduleSpecifier, /*topLevelTypeOnly*/ true); + var nonTypeOnlyKey = newImportsKey(moduleSpecifier, /*topLevelTypeOnly*/ false); + var typeOnlyEntry = newImports.get(typeOnlyKey); + var nonTypeOnlyEntry = newImports.get(nonTypeOnlyKey); + var newEntry = { + defaultImport: undefined, + namedImports: undefined, + namespaceLikeImport: undefined, + useRequire: useRequire + }; + if (importKind === 1 /* ImportKind.Default */ && addAsTypeOnly === 2 /* AddAsTypeOnly.Required */) { + if (typeOnlyEntry) + return typeOnlyEntry; + newImports.set(typeOnlyKey, newEntry); + return newEntry; + } + if (addAsTypeOnly === 1 /* AddAsTypeOnly.Allowed */ && (typeOnlyEntry || nonTypeOnlyEntry)) { + return (typeOnlyEntry || nonTypeOnlyEntry); + } + if (nonTypeOnlyEntry) { + return nonTypeOnlyEntry; + } + newImports.set(nonTypeOnlyKey, newEntry); + return newEntry; + } + function newImportsKey(moduleSpecifier, topLevelTypeOnly) { + return "".concat(topLevelTypeOnly ? 1 : 0, "|").concat(moduleSpecifier); + } + } + function writeFixes(changeTracker) { + var quotePreference = ts.getQuotePreference(sourceFile, preferences); + for (var _i = 0, addToNamespace_1 = addToNamespace; _i < addToNamespace_1.length; _i++) { + var fix = addToNamespace_1[_i]; + addNamespaceQualifier(changeTracker, sourceFile, fix); + } + for (var _a = 0, importType_1 = importType; _a < importType_1.length; _a++) { + var fix = importType_1[_a]; + addImportType(changeTracker, sourceFile, fix, quotePreference); + } + addToExisting.forEach(function (_a) { + var importClauseOrBindingPattern = _a.importClauseOrBindingPattern, defaultImport = _a.defaultImport, namedImports = _a.namedImports; + doAddExistingFix(changeTracker, sourceFile, importClauseOrBindingPattern, defaultImport, ts.arrayFrom(namedImports.entries(), function (_a) { + var name = _a[0], addAsTypeOnly = _a[1]; + return ({ addAsTypeOnly: addAsTypeOnly, name: name }); + }), compilerOptions); + }); + var newDeclarations; + newImports.forEach(function (_a, key) { + var useRequire = _a.useRequire, defaultImport = _a.defaultImport, namedImports = _a.namedImports, namespaceLikeImport = _a.namespaceLikeImport; + var moduleSpecifier = key.slice(2); // From `${0 | 1}|${moduleSpecifier}` format + var getDeclarations = useRequire ? getNewRequires : getNewImports; + var declarations = getDeclarations(moduleSpecifier, quotePreference, defaultImport, namedImports && ts.arrayFrom(namedImports.entries(), function (_a) { + var name = _a[0], addAsTypeOnly = _a[1]; + return ({ addAsTypeOnly: addAsTypeOnly, name: name }); + }), namespaceLikeImport); + newDeclarations = ts.combine(newDeclarations, declarations); + }); + if (newDeclarations) { + ts.insertImports(changeTracker, sourceFile, newDeclarations, /*blankLineBetween*/ true); + } + } + function hasFixes() { + return addToNamespace.length > 0 || importType.length > 0 || addToExisting.size > 0 || newImports.size > 0; + } + } + function createImportSpecifierResolver(importingFile, program, host, preferences) { + var packageJsonImportFilter = ts.createPackageJsonImportFilter(importingFile, preferences, host); + var importMap = createExistingImportMap(program.getTypeChecker(), importingFile, program.getCompilerOptions()); + return { getModuleSpecifierForBestExportInfo: getModuleSpecifierForBestExportInfo }; + function getModuleSpecifierForBestExportInfo(exportInfo, symbolName, position, isValidTypeOnlyUseSite, fromCacheOnly) { + var _a = getImportFixes(exportInfo, { symbolName: symbolName, position: position }, isValidTypeOnlyUseSite, + /*useRequire*/ false, program, importingFile, host, preferences, importMap, fromCacheOnly), fixes = _a.fixes, computedWithoutCacheCount = _a.computedWithoutCacheCount; + var result = getBestFix(fixes, importingFile, program, packageJsonImportFilter, host); + return result && __assign(__assign({}, result), { computedWithoutCacheCount: computedWithoutCacheCount }); + } + } + codefix.createImportSpecifierResolver = createImportSpecifierResolver; + // Sorted with the preferred fix coming first. + var ImportFixKind; + (function (ImportFixKind) { + ImportFixKind[ImportFixKind["UseNamespace"] = 0] = "UseNamespace"; + ImportFixKind[ImportFixKind["JsdocTypeImport"] = 1] = "JsdocTypeImport"; + ImportFixKind[ImportFixKind["AddToExisting"] = 2] = "AddToExisting"; + ImportFixKind[ImportFixKind["AddNew"] = 3] = "AddNew"; + ImportFixKind[ImportFixKind["PromoteTypeOnly"] = 4] = "PromoteTypeOnly"; + })(ImportFixKind || (ImportFixKind = {})); + // These should not be combined as bitflags, but are given powers of 2 values to + // easily detect conflicts between `NotAllowed` and `Required` by giving them a unique sum. + // They're also ordered in terms of increasing priority for a fix-all scenario (see + // `reduceAddAsTypeOnlyValues`). + var AddAsTypeOnly; + (function (AddAsTypeOnly) { + AddAsTypeOnly[AddAsTypeOnly["Allowed"] = 1] = "Allowed"; + AddAsTypeOnly[AddAsTypeOnly["Required"] = 2] = "Required"; + AddAsTypeOnly[AddAsTypeOnly["NotAllowed"] = 4] = "NotAllowed"; + })(AddAsTypeOnly || (AddAsTypeOnly = {})); + function getImportCompletionAction(targetSymbol, moduleSymbol, sourceFile, symbolName, isJsxTagName, host, program, formatContext, position, preferences) { + var compilerOptions = program.getCompilerOptions(); + var exportInfos = ts.pathIsBareSpecifier(ts.stripQuotes(moduleSymbol.name)) + ? [getSymbolExportInfoForSymbol(targetSymbol, moduleSymbol, program, host)] + : getAllReExportingModules(sourceFile, targetSymbol, moduleSymbol, symbolName, isJsxTagName, host, program, preferences, /*useAutoImportProvider*/ true); + var useRequire = shouldUseRequire(sourceFile, program); + var isValidTypeOnlyUseSite = ts.isValidTypeOnlyAliasUseSite(ts.getTokenAtPosition(sourceFile, position)); + var fix = ts.Debug.checkDefined(getImportFixForSymbol(sourceFile, exportInfos, moduleSymbol, program, { symbolName: symbolName, position: position }, isValidTypeOnlyUseSite, useRequire, host, preferences)); + return { + moduleSpecifier: fix.moduleSpecifier, + codeAction: codeFixActionToCodeAction(codeActionForFix({ host: host, formatContext: formatContext, preferences: preferences }, sourceFile, symbolName, fix, + /*includeSymbolNameInDescription*/ false, ts.getQuotePreference(sourceFile, preferences), compilerOptions)) + }; + } + codefix.getImportCompletionAction = getImportCompletionAction; + function getPromoteTypeOnlyCompletionAction(sourceFile, symbolToken, program, host, formatContext, preferences) { + var compilerOptions = program.getCompilerOptions(); + var symbolName = getSymbolName(sourceFile, program.getTypeChecker(), symbolToken, compilerOptions); + var fix = getTypeOnlyPromotionFix(sourceFile, symbolToken, symbolName, program); + var includeSymbolNameInDescription = symbolName !== symbolToken.text; + return fix && codeFixActionToCodeAction(codeActionForFix({ host: host, formatContext: formatContext, preferences: preferences }, sourceFile, symbolName, fix, includeSymbolNameInDescription, 1 /* QuotePreference.Double */, compilerOptions)); + } + codefix.getPromoteTypeOnlyCompletionAction = getPromoteTypeOnlyCompletionAction; + function getImportFixForSymbol(sourceFile, exportInfos, moduleSymbol, program, useNamespaceInfo, isValidTypeOnlyUseSite, useRequire, host, preferences) { + ts.Debug.assert(exportInfos.some(function (info) { return info.moduleSymbol === moduleSymbol || info.symbol.parent === moduleSymbol; }), "Some exportInfo should match the specified moduleSymbol"); + var packageJsonImportFilter = ts.createPackageJsonImportFilter(sourceFile, preferences, host); + return getBestFix(getImportFixes(exportInfos, useNamespaceInfo, isValidTypeOnlyUseSite, useRequire, program, sourceFile, host, preferences).fixes, sourceFile, program, packageJsonImportFilter, host); + } + function codeFixActionToCodeAction(_a) { + var description = _a.description, changes = _a.changes, commands = _a.commands; + return { description: description, changes: changes, commands: commands }; + } + function getSymbolExportInfoForSymbol(symbol, moduleSymbol, program, host) { + var _a, _b; + var compilerOptions = program.getCompilerOptions(); + var mainProgramInfo = getInfoWithChecker(program.getTypeChecker(), /*isFromPackageJson*/ false); + if (mainProgramInfo) { + return mainProgramInfo; + } + var autoImportProvider = (_b = (_a = host.getPackageJsonAutoImportProvider) === null || _a === void 0 ? void 0 : _a.call(host)) === null || _b === void 0 ? void 0 : _b.getTypeChecker(); + return ts.Debug.checkDefined(autoImportProvider && getInfoWithChecker(autoImportProvider, /*isFromPackageJson*/ true), "Could not find symbol in specified module for code actions"); + function getInfoWithChecker(checker, isFromPackageJson) { + var defaultInfo = ts.getDefaultLikeExportInfo(moduleSymbol, checker, compilerOptions); + if (defaultInfo && ts.skipAlias(defaultInfo.symbol, checker) === symbol) { + return { symbol: defaultInfo.symbol, moduleSymbol: moduleSymbol, moduleFileName: undefined, exportKind: defaultInfo.exportKind, targetFlags: ts.skipAlias(symbol, checker).flags, isFromPackageJson: isFromPackageJson }; + } + var named = checker.tryGetMemberInModuleExportsAndProperties(symbol.name, moduleSymbol); + if (named && ts.skipAlias(named, checker) === symbol) { + return { symbol: named, moduleSymbol: moduleSymbol, moduleFileName: undefined, exportKind: 0 /* ExportKind.Named */, targetFlags: ts.skipAlias(symbol, checker).flags, isFromPackageJson: isFromPackageJson }; + } + } + } + function getAllReExportingModules(importingFile, targetSymbol, exportingModuleSymbol, symbolName, isJsxTagName, host, program, preferences, useAutoImportProvider) { + var result = []; + var compilerOptions = program.getCompilerOptions(); + var getModuleSpecifierResolutionHost = ts.memoizeOne(function (isFromPackageJson) { + return ts.createModuleSpecifierResolutionHost(isFromPackageJson ? host.getPackageJsonAutoImportProvider() : program, host); + }); + ts.forEachExternalModuleToImportFrom(program, host, useAutoImportProvider, function (moduleSymbol, moduleFile, program, isFromPackageJson) { + var checker = program.getTypeChecker(); + // Don't import from a re-export when looking "up" like to `./index` or `../index`. + if (moduleFile && moduleSymbol !== exportingModuleSymbol && ts.startsWith(importingFile.fileName, ts.getDirectoryPath(moduleFile.fileName))) { + return; + } + var defaultInfo = ts.getDefaultLikeExportInfo(moduleSymbol, checker, compilerOptions); + if (defaultInfo && (defaultInfo.name === symbolName || moduleSymbolToValidIdentifier(moduleSymbol, ts.getEmitScriptTarget(compilerOptions), isJsxTagName) === symbolName) && ts.skipAlias(defaultInfo.symbol, checker) === targetSymbol && isImportable(program, moduleFile, isFromPackageJson)) { + result.push({ symbol: defaultInfo.symbol, moduleSymbol: moduleSymbol, moduleFileName: moduleFile === null || moduleFile === void 0 ? void 0 : moduleFile.fileName, exportKind: defaultInfo.exportKind, targetFlags: ts.skipAlias(defaultInfo.symbol, checker).flags, isFromPackageJson: isFromPackageJson }); + } + for (var _i = 0, _a = checker.getExportsAndPropertiesOfModule(moduleSymbol); _i < _a.length; _i++) { + var exported = _a[_i]; + if (exported.name === symbolName && checker.getMergedSymbol(ts.skipAlias(exported, checker)) === targetSymbol && isImportable(program, moduleFile, isFromPackageJson)) { + result.push({ symbol: exported, moduleSymbol: moduleSymbol, moduleFileName: moduleFile === null || moduleFile === void 0 ? void 0 : moduleFile.fileName, exportKind: 0 /* ExportKind.Named */, targetFlags: ts.skipAlias(exported, checker).flags, isFromPackageJson: isFromPackageJson }); + } + } + }); + return result; + function isImportable(program, moduleFile, isFromPackageJson) { + var _a; + return !moduleFile || ts.isImportableFile(program, importingFile, moduleFile, preferences, /*packageJsonFilter*/ undefined, getModuleSpecifierResolutionHost(isFromPackageJson), (_a = host.getModuleSpecifierCache) === null || _a === void 0 ? void 0 : _a.call(host)); + } + } + function getImportFixes(exportInfos, useNamespaceInfo, + /** undefined only for missing JSX namespace */ + isValidTypeOnlyUseSite, useRequire, program, sourceFile, host, preferences, importMap, fromCacheOnly) { + if (importMap === void 0) { importMap = createExistingImportMap(program.getTypeChecker(), sourceFile, program.getCompilerOptions()); } + var checker = program.getTypeChecker(); + var existingImports = ts.flatMap(exportInfos, importMap.getImportsForExportInfo); + var useNamespace = useNamespaceInfo && tryUseExistingNamespaceImport(existingImports, useNamespaceInfo.symbolName, useNamespaceInfo.position, checker); + var addToExisting = tryAddToExistingImport(existingImports, isValidTypeOnlyUseSite, checker, program.getCompilerOptions()); + if (addToExisting) { + // Don't bother providing an action to add a new import if we can add to an existing one. + return { + computedWithoutCacheCount: 0, + fixes: __spreadArray(__spreadArray([], (useNamespace ? [useNamespace] : ts.emptyArray), true), [addToExisting], false), + }; + } + var _a = getFixesForAddImport(exportInfos, existingImports, program, sourceFile, useNamespaceInfo === null || useNamespaceInfo === void 0 ? void 0 : useNamespaceInfo.position, isValidTypeOnlyUseSite, useRequire, host, preferences, fromCacheOnly), fixes = _a.fixes, _b = _a.computedWithoutCacheCount, computedWithoutCacheCount = _b === void 0 ? 0 : _b; + return { + computedWithoutCacheCount: computedWithoutCacheCount, + fixes: __spreadArray(__spreadArray([], (useNamespace ? [useNamespace] : ts.emptyArray), true), fixes, true), + }; + } + function tryUseExistingNamespaceImport(existingImports, symbolName, position, checker) { + // It is possible that multiple import statements with the same specifier exist in the file. + // e.g. + // + // import * as ns from "foo"; + // import { member1, member2 } from "foo"; + // + // member3/**/ <-- cusor here + // + // in this case we should provie 2 actions: + // 1. change "member3" to "ns.member3" + // 2. add "member3" to the second import statement's import list + // and it is up to the user to decide which one fits best. + return ts.firstDefined(existingImports, function (_a) { + var _b; + var declaration = _a.declaration; + var namespacePrefix = getNamespaceLikeImportText(declaration); + var moduleSpecifier = (_b = ts.tryGetModuleSpecifierFromDeclaration(declaration)) === null || _b === void 0 ? void 0 : _b.text; + if (namespacePrefix && moduleSpecifier) { + var moduleSymbol = getTargetModuleFromNamespaceLikeImport(declaration, checker); + if (moduleSymbol && moduleSymbol.exports.has(ts.escapeLeadingUnderscores(symbolName))) { + return { kind: 0 /* ImportFixKind.UseNamespace */, namespacePrefix: namespacePrefix, position: position, moduleSpecifier: moduleSpecifier }; + } + } + }); + } + function getTargetModuleFromNamespaceLikeImport(declaration, checker) { + var _a; + switch (declaration.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + return checker.resolveExternalModuleName(declaration.initializer.arguments[0]); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return checker.getAliasedSymbol(declaration.symbol); + case 266 /* SyntaxKind.ImportDeclaration */: + var namespaceImport = ts.tryCast((_a = declaration.importClause) === null || _a === void 0 ? void 0 : _a.namedBindings, ts.isNamespaceImport); + return namespaceImport && checker.getAliasedSymbol(namespaceImport.symbol); + default: + return ts.Debug.assertNever(declaration); + } + } + function getNamespaceLikeImportText(declaration) { + var _a, _b, _c; + switch (declaration.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + return (_a = ts.tryCast(declaration.name, ts.isIdentifier)) === null || _a === void 0 ? void 0 : _a.text; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return declaration.name.text; + case 266 /* SyntaxKind.ImportDeclaration */: + return (_c = ts.tryCast((_b = declaration.importClause) === null || _b === void 0 ? void 0 : _b.namedBindings, ts.isNamespaceImport)) === null || _c === void 0 ? void 0 : _c.name.text; + default: + return ts.Debug.assertNever(declaration); + } + } + function getAddAsTypeOnly(isValidTypeOnlyUseSite, isForNewImportDeclaration, symbol, targetFlags, checker, compilerOptions) { + if (!isValidTypeOnlyUseSite) { + // Can't use a type-only import if the usage is an emitting position + return 4 /* AddAsTypeOnly.NotAllowed */; + } + if (isForNewImportDeclaration && compilerOptions.importsNotUsedAsValues === 2 /* ImportsNotUsedAsValues.Error */) { + // Not writing a (top-level) type-only import here would create an error because the runtime dependency is unnecessary + return 2 /* AddAsTypeOnly.Required */; + } + if (compilerOptions.isolatedModules && compilerOptions.preserveValueImports && + (!(targetFlags & 111551 /* SymbolFlags.Value */) || !!checker.getTypeOnlyAliasDeclaration(symbol))) { + // A type-only import is required for this symbol if under these settings if the symbol will + // be erased, which will happen if the target symbol is purely a type or if it was exported/imported + // as type-only already somewhere between this import and the target. + return 2 /* AddAsTypeOnly.Required */; + } + return 1 /* AddAsTypeOnly.Allowed */; + } + function tryAddToExistingImport(existingImports, isValidTypeOnlyUseSite, checker, compilerOptions) { + return ts.firstDefined(existingImports, function (_a) { + var declaration = _a.declaration, importKind = _a.importKind, symbol = _a.symbol, targetFlags = _a.targetFlags; + if (importKind === 3 /* ImportKind.CommonJS */ || importKind === 2 /* ImportKind.Namespace */ || declaration.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + // These kinds of imports are not combinable with anything + return undefined; + } + if (declaration.kind === 254 /* SyntaxKind.VariableDeclaration */) { + return (importKind === 0 /* ImportKind.Named */ || importKind === 1 /* ImportKind.Default */) && declaration.name.kind === 201 /* SyntaxKind.ObjectBindingPattern */ + ? { kind: 2 /* ImportFixKind.AddToExisting */, importClauseOrBindingPattern: declaration.name, importKind: importKind, moduleSpecifier: declaration.initializer.arguments[0].text, addAsTypeOnly: 4 /* AddAsTypeOnly.NotAllowed */ } + : undefined; + } + var importClause = declaration.importClause; + if (!importClause || !ts.isStringLiteralLike(declaration.moduleSpecifier)) + return undefined; + var name = importClause.name, namedBindings = importClause.namedBindings; + // A type-only import may not have both a default and named imports, so the only way a name can + // be added to an existing type-only import is adding a named import to existing named bindings. + if (importClause.isTypeOnly && !(importKind === 0 /* ImportKind.Named */ && namedBindings)) + return undefined; + // N.B. we don't have to figure out whether to use the main program checker + // or the AutoImportProvider checker because we're adding to an existing import; the existence of + // the import guarantees the symbol came from the main program. + var addAsTypeOnly = getAddAsTypeOnly(isValidTypeOnlyUseSite, /*isForNewImportDeclaration*/ false, symbol, targetFlags, checker, compilerOptions); + if (importKind === 1 /* ImportKind.Default */ && (name || // Cannot add a default import to a declaration that already has one + addAsTypeOnly === 2 /* AddAsTypeOnly.Required */ && namedBindings // Cannot add a default import as type-only if the import already has named bindings + )) + return undefined; + if (importKind === 0 /* ImportKind.Named */ && + (namedBindings === null || namedBindings === void 0 ? void 0 : namedBindings.kind) === 268 /* SyntaxKind.NamespaceImport */ // Cannot add a named import to a declaration that has a namespace import + ) + return undefined; + return { + kind: 2 /* ImportFixKind.AddToExisting */, + importClauseOrBindingPattern: importClause, + importKind: importKind, + moduleSpecifier: declaration.moduleSpecifier.text, + addAsTypeOnly: addAsTypeOnly, + }; + }); + } + function createExistingImportMap(checker, importingFile, compilerOptions) { + var importMap; + for (var _i = 0, _a = importingFile.imports; _i < _a.length; _i++) { + var moduleSpecifier = _a[_i]; + var i = ts.importFromModuleSpecifier(moduleSpecifier); + if (ts.isVariableDeclarationInitializedToRequire(i.parent)) { + var moduleSymbol = checker.resolveExternalModuleName(moduleSpecifier); + if (moduleSymbol) { + (importMap || (importMap = ts.createMultiMap())).add(ts.getSymbolId(moduleSymbol), i.parent); + } + } + else if (i.kind === 266 /* SyntaxKind.ImportDeclaration */ || i.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + var moduleSymbol = checker.getSymbolAtLocation(moduleSpecifier); + if (moduleSymbol) { + (importMap || (importMap = ts.createMultiMap())).add(ts.getSymbolId(moduleSymbol), i); + } + } + } + return { + getImportsForExportInfo: function (_a) { + var moduleSymbol = _a.moduleSymbol, exportKind = _a.exportKind, targetFlags = _a.targetFlags, symbol = _a.symbol; + // Can't use an es6 import for a type in JS. + if (!(targetFlags & 111551 /* SymbolFlags.Value */) && ts.isSourceFileJS(importingFile)) + return ts.emptyArray; + var matchingDeclarations = importMap === null || importMap === void 0 ? void 0 : importMap.get(ts.getSymbolId(moduleSymbol)); + if (!matchingDeclarations) + return ts.emptyArray; + var importKind = getImportKind(importingFile, exportKind, compilerOptions); + return matchingDeclarations.map(function (declaration) { return ({ declaration: declaration, importKind: importKind, symbol: symbol, targetFlags: targetFlags }); }); + } + }; + } + function shouldUseRequire(sourceFile, program) { + // 1. TypeScript files don't use require variable declarations + if (!ts.isSourceFileJS(sourceFile)) { + return false; + } + // 2. If the current source file is unambiguously CJS or ESM, go with that + if (sourceFile.commonJsModuleIndicator && !sourceFile.externalModuleIndicator) + return true; + if (sourceFile.externalModuleIndicator && !sourceFile.commonJsModuleIndicator) + return false; + // 3. If there's a tsconfig/jsconfig, use its module setting + var compilerOptions = program.getCompilerOptions(); + if (compilerOptions.configFile) { + return ts.getEmitModuleKind(compilerOptions) < ts.ModuleKind.ES2015; + } + // 4. Match the first other JS file in the program that's unambiguously CJS or ESM + for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { + var otherFile = _a[_i]; + if (otherFile === sourceFile || !ts.isSourceFileJS(otherFile) || program.isSourceFileFromExternalLibrary(otherFile)) + continue; + if (otherFile.commonJsModuleIndicator && !otherFile.externalModuleIndicator) + return true; + if (otherFile.externalModuleIndicator && !otherFile.commonJsModuleIndicator) + return false; + } + // 5. Literally nothing to go on + return true; + } + function getNewImportFixes(program, sourceFile, position, isValidTypeOnlyUseSite, useRequire, exportInfo, host, preferences, fromCacheOnly) { + var isJs = ts.isSourceFileJS(sourceFile); + var compilerOptions = program.getCompilerOptions(); + var moduleSpecifierResolutionHost = ts.createModuleSpecifierResolutionHost(program, host); + var getChecker = ts.memoizeOne(function (isFromPackageJson) { return isFromPackageJson ? host.getPackageJsonAutoImportProvider().getTypeChecker() : program.getTypeChecker(); }); + var rejectNodeModulesRelativePaths = ts.moduleResolutionUsesNodeModules(ts.getEmitModuleResolutionKind(compilerOptions)); + var getModuleSpecifiers = fromCacheOnly + ? function (moduleSymbol) { return ({ moduleSpecifiers: ts.moduleSpecifiers.tryGetModuleSpecifiersFromCache(moduleSymbol, sourceFile, moduleSpecifierResolutionHost, preferences), computedWithoutCache: false }); } + : function (moduleSymbol, checker) { return ts.moduleSpecifiers.getModuleSpecifiersWithCacheInfo(moduleSymbol, checker, compilerOptions, sourceFile, moduleSpecifierResolutionHost, preferences); }; + var computedWithoutCacheCount = 0; + var fixes = ts.flatMap(exportInfo, function (exportInfo, i) { + var checker = getChecker(exportInfo.isFromPackageJson); + var _a = getModuleSpecifiers(exportInfo.moduleSymbol, checker), computedWithoutCache = _a.computedWithoutCache, moduleSpecifiers = _a.moduleSpecifiers; + var importedSymbolHasValueMeaning = !!(exportInfo.targetFlags & 111551 /* SymbolFlags.Value */); + var addAsTypeOnly = getAddAsTypeOnly(isValidTypeOnlyUseSite, /*isForNewImportDeclaration*/ true, exportInfo.symbol, exportInfo.targetFlags, checker, compilerOptions); + computedWithoutCacheCount += computedWithoutCache ? 1 : 0; + return ts.mapDefined(moduleSpecifiers, function (moduleSpecifier) { + return rejectNodeModulesRelativePaths && ts.pathContainsNodeModules(moduleSpecifier) ? undefined : + // `position` should only be undefined at a missing jsx namespace, in which case we shouldn't be looking for pure types. + !importedSymbolHasValueMeaning && isJs && position !== undefined ? { kind: 1 /* ImportFixKind.JsdocTypeImport */, moduleSpecifier: moduleSpecifier, position: position, exportInfo: exportInfo, isReExport: i > 0 } : + { + kind: 3 /* ImportFixKind.AddNew */, + moduleSpecifier: moduleSpecifier, + importKind: getImportKind(sourceFile, exportInfo.exportKind, compilerOptions), + useRequire: useRequire, + addAsTypeOnly: addAsTypeOnly, + exportInfo: exportInfo, + isReExport: i > 0, + }; + }); + }); + return { computedWithoutCacheCount: computedWithoutCacheCount, fixes: fixes }; + } + function getFixesForAddImport(exportInfos, existingImports, program, sourceFile, position, isValidTypeOnlyUseSite, useRequire, host, preferences, fromCacheOnly) { + var existingDeclaration = ts.firstDefined(existingImports, function (info) { return newImportInfoFromExistingSpecifier(info, isValidTypeOnlyUseSite, useRequire, program.getTypeChecker(), program.getCompilerOptions()); }); + return existingDeclaration ? { fixes: [existingDeclaration] } : getNewImportFixes(program, sourceFile, position, isValidTypeOnlyUseSite, useRequire, exportInfos, host, preferences, fromCacheOnly); + } + function newImportInfoFromExistingSpecifier(_a, isValidTypeOnlyUseSite, useRequire, checker, compilerOptions) { + var _b; + var declaration = _a.declaration, importKind = _a.importKind, symbol = _a.symbol, targetFlags = _a.targetFlags; + var moduleSpecifier = (_b = ts.tryGetModuleSpecifierFromDeclaration(declaration)) === null || _b === void 0 ? void 0 : _b.text; + if (moduleSpecifier) { + var addAsTypeOnly = useRequire + ? 4 /* AddAsTypeOnly.NotAllowed */ + : getAddAsTypeOnly(isValidTypeOnlyUseSite, /*isForNewImportDeclaration*/ true, symbol, targetFlags, checker, compilerOptions); + return { kind: 3 /* ImportFixKind.AddNew */, moduleSpecifier: moduleSpecifier, importKind: importKind, addAsTypeOnly: addAsTypeOnly, useRequire: useRequire }; + } + } + function getFixesInfo(context, errorCode, pos, useAutoImportProvider) { + var symbolToken = ts.getTokenAtPosition(context.sourceFile, pos); + var info; + if (errorCode === ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead.code) { + info = getFixesInfoForUMDImport(context, symbolToken); + } + else if (!ts.isIdentifier(symbolToken)) { + return undefined; + } + else if (errorCode === ts.Diagnostics._0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type.code) { + var symbolName_1 = getSymbolName(context.sourceFile, context.program.getTypeChecker(), symbolToken, context.program.getCompilerOptions()); + var fix = getTypeOnlyPromotionFix(context.sourceFile, symbolToken, symbolName_1, context.program); + return fix && { fixes: [fix], symbolName: symbolName_1, errorIdentifierText: symbolToken.text }; + } + else { + info = getFixesInfoForNonUMDImport(context, symbolToken, useAutoImportProvider); + } + var packageJsonImportFilter = ts.createPackageJsonImportFilter(context.sourceFile, context.preferences, context.host); + return info && __assign(__assign({}, info), { fixes: sortFixes(info.fixes, context.sourceFile, context.program, packageJsonImportFilter, context.host) }); + } + function sortFixes(fixes, sourceFile, program, packageJsonImportFilter, host) { + var _toPath = function (fileName) { return ts.toPath(fileName, host.getCurrentDirectory(), ts.hostGetCanonicalFileName(host)); }; + return ts.sort(fixes, function (a, b) { return ts.compareValues(a.kind, b.kind) || compareModuleSpecifiers(a, b, sourceFile, program, packageJsonImportFilter.allowsImportingSpecifier, _toPath); }); + } + function getBestFix(fixes, sourceFile, program, packageJsonImportFilter, host) { + if (!ts.some(fixes)) + return; + // These will always be placed first if available, and are better than other kinds + if (fixes[0].kind === 0 /* ImportFixKind.UseNamespace */ || fixes[0].kind === 2 /* ImportFixKind.AddToExisting */) { + return fixes[0]; + } + return fixes.reduce(function (best, fix) { + // Takes true branch of conditional if `fix` is better than `best` + return compareModuleSpecifiers(fix, best, sourceFile, program, packageJsonImportFilter.allowsImportingSpecifier, function (fileName) { return ts.toPath(fileName, host.getCurrentDirectory(), ts.hostGetCanonicalFileName(host)); }) === -1 /* Comparison.LessThan */ ? fix : best; + }); + } + /** @returns `Comparison.LessThan` if `a` is better than `b`. */ + function compareModuleSpecifiers(a, b, importingFile, program, allowsImportingSpecifier, toPath) { + if (a.kind !== 0 /* ImportFixKind.UseNamespace */ && b.kind !== 0 /* ImportFixKind.UseNamespace */) { + return ts.compareBooleans(allowsImportingSpecifier(b.moduleSpecifier), allowsImportingSpecifier(a.moduleSpecifier)) + || compareNodeCoreModuleSpecifiers(a.moduleSpecifier, b.moduleSpecifier, importingFile, program) + || ts.compareBooleans(isFixPossiblyReExportingImportingFile(a, importingFile, program.getCompilerOptions(), toPath), isFixPossiblyReExportingImportingFile(b, importingFile, program.getCompilerOptions(), toPath)) + || ts.compareNumberOfDirectorySeparators(a.moduleSpecifier, b.moduleSpecifier); + } + return 0 /* Comparison.EqualTo */; + } + // This is a simple heuristic to try to avoid creating an import cycle with a barrel re-export. + // E.g., do not `import { Foo } from ".."` when you could `import { Foo } from "../Foo"`. + // This can produce false positives or negatives if re-exports cross into sibling directories + // (e.g. `export * from "../whatever"`) or are not named "index" (we don't even try to consider + // this if we're in a resolution mode where you can't drop trailing "/index" from paths). + function isFixPossiblyReExportingImportingFile(fix, importingFile, compilerOptions, toPath) { + var _a; + if (fix.isReExport && + ((_a = fix.exportInfo) === null || _a === void 0 ? void 0 : _a.moduleFileName) && + ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs && + isIndexFileName(fix.exportInfo.moduleFileName)) { + var reExportDir = toPath(ts.getDirectoryPath(fix.exportInfo.moduleFileName)); + return ts.startsWith((importingFile.path), reExportDir); + } + return false; + } + function isIndexFileName(fileName) { + return ts.getBaseFileName(fileName, [".js", ".jsx", ".d.ts", ".ts", ".tsx"], /*ignoreCase*/ true) === "index"; + } + function compareNodeCoreModuleSpecifiers(a, b, importingFile, program) { + if (ts.startsWith(a, "node:") && !ts.startsWith(b, "node:")) + return ts.shouldUseUriStyleNodeCoreModules(importingFile, program) ? -1 /* Comparison.LessThan */ : 1 /* Comparison.GreaterThan */; + if (ts.startsWith(b, "node:") && !ts.startsWith(a, "node:")) + return ts.shouldUseUriStyleNodeCoreModules(importingFile, program) ? 1 /* Comparison.GreaterThan */ : -1 /* Comparison.LessThan */; + return 0 /* Comparison.EqualTo */; + } + function getFixesInfoForUMDImport(_a, token) { + var _b; + var sourceFile = _a.sourceFile, program = _a.program, host = _a.host, preferences = _a.preferences; + var checker = program.getTypeChecker(); + var umdSymbol = getUmdSymbol(token, checker); + if (!umdSymbol) + return undefined; + var symbol = checker.getAliasedSymbol(umdSymbol); + var symbolName = umdSymbol.name; + var exportInfo = [{ symbol: umdSymbol, moduleSymbol: symbol, moduleFileName: undefined, exportKind: 3 /* ExportKind.UMD */, targetFlags: symbol.flags, isFromPackageJson: false }]; + var useRequire = shouldUseRequire(sourceFile, program); + var position = ts.isIdentifier(token) ? token.getStart(sourceFile) : undefined; + var fixes = getImportFixes(exportInfo, position ? { position: position, symbolName: symbolName } : undefined, /*isValidTypeOnlyUseSite*/ false, useRequire, program, sourceFile, host, preferences).fixes; + return { fixes: fixes, symbolName: symbolName, errorIdentifierText: (_b = ts.tryCast(token, ts.isIdentifier)) === null || _b === void 0 ? void 0 : _b.text }; + } + function getUmdSymbol(token, checker) { + // try the identifier to see if it is the umd symbol + var umdSymbol = ts.isIdentifier(token) ? checker.getSymbolAtLocation(token) : undefined; + if (ts.isUMDExportSymbol(umdSymbol)) + return umdSymbol; + // The error wasn't for the symbolAtLocation, it was for the JSX tag itself, which needs access to e.g. `React`. + var parent = token.parent; + return (ts.isJsxOpeningLikeElement(parent) && parent.tagName === token) || ts.isJsxOpeningFragment(parent) + ? ts.tryCast(checker.resolveName(checker.getJsxNamespace(parent), ts.isJsxOpeningLikeElement(parent) ? token : parent, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ false), ts.isUMDExportSymbol) + : undefined; + } + /** + * @param forceImportKeyword Indicates that the user has already typed `import`, so the result must start with `import`. + * (In other words, do not allow `const x = require("...")` for JS files.) + */ + function getImportKind(importingFile, exportKind, compilerOptions, forceImportKeyword) { + switch (exportKind) { + case 0 /* ExportKind.Named */: return 0 /* ImportKind.Named */; + case 1 /* ExportKind.Default */: return 1 /* ImportKind.Default */; + case 2 /* ExportKind.ExportEquals */: return getExportEqualsImportKind(importingFile, compilerOptions, !!forceImportKeyword); + case 3 /* ExportKind.UMD */: return getUmdImportKind(importingFile, compilerOptions, !!forceImportKeyword); + default: return ts.Debug.assertNever(exportKind); + } + } + codefix.getImportKind = getImportKind; + function getUmdImportKind(importingFile, compilerOptions, forceImportKeyword) { + // Import a synthetic `default` if enabled. + if (ts.getAllowSyntheticDefaultImports(compilerOptions)) { + return 1 /* ImportKind.Default */; + } + // When a synthetic `default` is unavailable, use `import..require` if the module kind supports it. + var moduleKind = ts.getEmitModuleKind(compilerOptions); + switch (moduleKind) { + case ts.ModuleKind.AMD: + case ts.ModuleKind.CommonJS: + case ts.ModuleKind.UMD: + if (ts.isInJSFile(importingFile)) { + return ts.isExternalModule(importingFile) || forceImportKeyword ? 2 /* ImportKind.Namespace */ : 3 /* ImportKind.CommonJS */; + } + return 3 /* ImportKind.CommonJS */; + case ts.ModuleKind.System: + case ts.ModuleKind.ES2015: + case ts.ModuleKind.ES2020: + case ts.ModuleKind.ES2022: + case ts.ModuleKind.ESNext: + case ts.ModuleKind.None: + // Fall back to the `import * as ns` style import. + return 2 /* ImportKind.Namespace */; + case ts.ModuleKind.Node16: + case ts.ModuleKind.NodeNext: + return importingFile.impliedNodeFormat === ts.ModuleKind.ESNext ? 2 /* ImportKind.Namespace */ : 3 /* ImportKind.CommonJS */; + default: + return ts.Debug.assertNever(moduleKind, "Unexpected moduleKind ".concat(moduleKind)); + } + } + function getFixesInfoForNonUMDImport(_a, symbolToken, useAutoImportProvider) { + var sourceFile = _a.sourceFile, program = _a.program, cancellationToken = _a.cancellationToken, host = _a.host, preferences = _a.preferences; + var checker = program.getTypeChecker(); + var compilerOptions = program.getCompilerOptions(); + var symbolName = getSymbolName(sourceFile, checker, symbolToken, compilerOptions); + // "default" is a keyword and not a legal identifier for the import, but appears as an identifier. + if (symbolName === "default" /* InternalSymbolName.Default */) { + return undefined; + } + var isValidTypeOnlyUseSite = ts.isValidTypeOnlyAliasUseSite(symbolToken); + var useRequire = shouldUseRequire(sourceFile, program); + var exportInfo = getExportInfos(symbolName, ts.isJSXTagName(symbolToken), ts.getMeaningFromLocation(symbolToken), cancellationToken, sourceFile, program, useAutoImportProvider, host, preferences); + var fixes = ts.arrayFrom(ts.flatMapIterator(exportInfo.entries(), function (_a) { + var _ = _a[0], exportInfos = _a[1]; + return getImportFixes(exportInfos, { symbolName: symbolName, position: symbolToken.getStart(sourceFile) }, isValidTypeOnlyUseSite, useRequire, program, sourceFile, host, preferences).fixes; + })); + return { fixes: fixes, symbolName: symbolName, errorIdentifierText: symbolToken.text }; + } + function getTypeOnlyPromotionFix(sourceFile, symbolToken, symbolName, program) { + var checker = program.getTypeChecker(); + var symbol = checker.resolveName(symbolName, symbolToken, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ true); + if (!symbol) + return undefined; + var typeOnlyAliasDeclaration = checker.getTypeOnlyAliasDeclaration(symbol); + if (!typeOnlyAliasDeclaration || ts.getSourceFileOfNode(typeOnlyAliasDeclaration) !== sourceFile) + return undefined; + return { kind: 4 /* ImportFixKind.PromoteTypeOnly */, typeOnlyAliasDeclaration: typeOnlyAliasDeclaration }; + } + function getSymbolName(sourceFile, checker, symbolToken, compilerOptions) { + var parent = symbolToken.parent; + if ((ts.isJsxOpeningLikeElement(parent) || ts.isJsxClosingElement(parent)) && parent.tagName === symbolToken && ts.jsxModeNeedsExplicitImport(compilerOptions.jsx)) { + var jsxNamespace = checker.getJsxNamespace(sourceFile); + if (needsJsxNamespaceFix(jsxNamespace, symbolToken, checker)) { + return jsxNamespace; + } + } + return symbolToken.text; + } + function needsJsxNamespaceFix(jsxNamespace, symbolToken, checker) { + if (ts.isIntrinsicJsxName(symbolToken.text)) + return true; // If we were triggered by a matching error code on an intrinsic, the error must have been about missing the JSX factory + var namespaceSymbol = checker.resolveName(jsxNamespace, symbolToken, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ true); + return !namespaceSymbol || ts.some(namespaceSymbol.declarations, ts.isTypeOnlyImportOrExportDeclaration) && !(namespaceSymbol.flags & 111551 /* SymbolFlags.Value */); + } + // Returns a map from an exported symbol's ID to a list of every way it's (re-)exported. + function getExportInfos(symbolName, isJsxTagName, currentTokenMeaning, cancellationToken, fromFile, program, useAutoImportProvider, host, preferences) { + var _a; + // For each original symbol, keep all re-exports of that symbol together so we can call `getCodeActionsForImport` on the whole group at once. + // Maps symbol id to info for modules providing that symbol (original export + re-exports). + var originalSymbolToExportInfos = ts.createMultiMap(); + var packageJsonFilter = ts.createPackageJsonImportFilter(fromFile, preferences, host); + var moduleSpecifierCache = (_a = host.getModuleSpecifierCache) === null || _a === void 0 ? void 0 : _a.call(host); + var getModuleSpecifierResolutionHost = ts.memoizeOne(function (isFromPackageJson) { + return ts.createModuleSpecifierResolutionHost(isFromPackageJson ? host.getPackageJsonAutoImportProvider() : program, host); + }); + function addSymbol(moduleSymbol, toFile, exportedSymbol, exportKind, program, isFromPackageJson) { + var moduleSpecifierResolutionHost = getModuleSpecifierResolutionHost(isFromPackageJson); + if (toFile && ts.isImportableFile(program, fromFile, toFile, preferences, packageJsonFilter, moduleSpecifierResolutionHost, moduleSpecifierCache) || + !toFile && packageJsonFilter.allowsImportingAmbientModule(moduleSymbol, moduleSpecifierResolutionHost)) { + var checker = program.getTypeChecker(); + originalSymbolToExportInfos.add(ts.getUniqueSymbolId(exportedSymbol, checker).toString(), { symbol: exportedSymbol, moduleSymbol: moduleSymbol, moduleFileName: toFile === null || toFile === void 0 ? void 0 : toFile.fileName, exportKind: exportKind, targetFlags: ts.skipAlias(exportedSymbol, checker).flags, isFromPackageJson: isFromPackageJson }); + } + } + ts.forEachExternalModuleToImportFrom(program, host, useAutoImportProvider, function (moduleSymbol, sourceFile, program, isFromPackageJson) { + var checker = program.getTypeChecker(); + cancellationToken.throwIfCancellationRequested(); + var compilerOptions = program.getCompilerOptions(); + var defaultInfo = ts.getDefaultLikeExportInfo(moduleSymbol, checker, compilerOptions); + if (defaultInfo && (defaultInfo.name === symbolName || moduleSymbolToValidIdentifier(moduleSymbol, ts.getEmitScriptTarget(compilerOptions), isJsxTagName) === symbolName) && symbolHasMeaning(defaultInfo.symbolForMeaning, currentTokenMeaning)) { + addSymbol(moduleSymbol, sourceFile, defaultInfo.symbol, defaultInfo.exportKind, program, isFromPackageJson); + } + // check exports with the same name + var exportSymbolWithIdenticalName = checker.tryGetMemberInModuleExportsAndProperties(symbolName, moduleSymbol); + if (exportSymbolWithIdenticalName && symbolHasMeaning(exportSymbolWithIdenticalName, currentTokenMeaning)) { + addSymbol(moduleSymbol, sourceFile, exportSymbolWithIdenticalName, 0 /* ExportKind.Named */, program, isFromPackageJson); + } + }); + return originalSymbolToExportInfos; + } + function getExportEqualsImportKind(importingFile, compilerOptions, forceImportKeyword) { + var allowSyntheticDefaults = ts.getAllowSyntheticDefaultImports(compilerOptions); + var isJS = ts.isInJSFile(importingFile); + // 1. 'import =' will not work in es2015+ TS files, so the decision is between a default + // and a namespace import, based on allowSyntheticDefaultImports/esModuleInterop. + if (!isJS && ts.getEmitModuleKind(compilerOptions) >= ts.ModuleKind.ES2015) { + return allowSyntheticDefaults ? 1 /* ImportKind.Default */ : 2 /* ImportKind.Namespace */; + } + // 2. 'import =' will not work in JavaScript, so the decision is between a default import, + // a namespace import, and const/require. + if (isJS) { + return ts.isExternalModule(importingFile) || forceImportKeyword + ? allowSyntheticDefaults ? 1 /* ImportKind.Default */ : 2 /* ImportKind.Namespace */ + : 3 /* ImportKind.CommonJS */; + } + // 3. At this point the most correct choice is probably 'import =', but people + // really hate that, so look to see if the importing file has any precedent + // on how to handle it. + for (var _i = 0, _a = importingFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + // `import foo` parses as an ImportEqualsDeclaration even though it could be an ImportDeclaration + if (ts.isImportEqualsDeclaration(statement) && !ts.nodeIsMissing(statement.moduleReference)) { + return 3 /* ImportKind.CommonJS */; + } + } + // 4. We have no precedent to go on, so just use a default import if + // allowSyntheticDefaultImports/esModuleInterop is enabled. + return allowSyntheticDefaults ? 1 /* ImportKind.Default */ : 3 /* ImportKind.CommonJS */; + } + function codeActionForFix(context, sourceFile, symbolName, fix, includeSymbolNameInDescription, quotePreference, compilerOptions) { + var diag; + var changes = ts.textChanges.ChangeTracker.with(context, function (tracker) { + diag = codeActionForFixWorker(tracker, sourceFile, symbolName, fix, includeSymbolNameInDescription, quotePreference, compilerOptions); + }); + return codefix.createCodeFixAction(codefix.importFixName, changes, diag, importFixId, ts.Diagnostics.Add_all_missing_imports); + } + function codeActionForFixWorker(changes, sourceFile, symbolName, fix, includeSymbolNameInDescription, quotePreference, compilerOptions) { + switch (fix.kind) { + case 0 /* ImportFixKind.UseNamespace */: + addNamespaceQualifier(changes, sourceFile, fix); + return [ts.Diagnostics.Change_0_to_1, symbolName, "".concat(fix.namespacePrefix, ".").concat(symbolName)]; + case 1 /* ImportFixKind.JsdocTypeImport */: + addImportType(changes, sourceFile, fix, quotePreference); + return [ts.Diagnostics.Change_0_to_1, symbolName, getImportTypePrefix(fix.moduleSpecifier, quotePreference) + symbolName]; + case 2 /* ImportFixKind.AddToExisting */: { + var importClauseOrBindingPattern = fix.importClauseOrBindingPattern, importKind = fix.importKind, addAsTypeOnly = fix.addAsTypeOnly, moduleSpecifier = fix.moduleSpecifier; + doAddExistingFix(changes, sourceFile, importClauseOrBindingPattern, importKind === 1 /* ImportKind.Default */ ? { name: symbolName, addAsTypeOnly: addAsTypeOnly } : undefined, importKind === 0 /* ImportKind.Named */ ? [{ name: symbolName, addAsTypeOnly: addAsTypeOnly }] : ts.emptyArray, compilerOptions); + var moduleSpecifierWithoutQuotes = ts.stripQuotes(moduleSpecifier); + return includeSymbolNameInDescription + ? [ts.Diagnostics.Import_0_from_1, symbolName, moduleSpecifierWithoutQuotes] + : [ts.Diagnostics.Update_import_from_0, moduleSpecifierWithoutQuotes]; + } + case 3 /* ImportFixKind.AddNew */: { + var importKind = fix.importKind, moduleSpecifier = fix.moduleSpecifier, addAsTypeOnly = fix.addAsTypeOnly, useRequire = fix.useRequire; + var getDeclarations = useRequire ? getNewRequires : getNewImports; + var defaultImport = importKind === 1 /* ImportKind.Default */ ? { name: symbolName, addAsTypeOnly: addAsTypeOnly } : undefined; + var namedImports = importKind === 0 /* ImportKind.Named */ ? [{ name: symbolName, addAsTypeOnly: addAsTypeOnly }] : undefined; + var namespaceLikeImport = importKind === 2 /* ImportKind.Namespace */ || importKind === 3 /* ImportKind.CommonJS */ ? { importKind: importKind, name: symbolName, addAsTypeOnly: addAsTypeOnly } : undefined; + ts.insertImports(changes, sourceFile, getDeclarations(moduleSpecifier, quotePreference, defaultImport, namedImports, namespaceLikeImport), /*blankLineBetween*/ true); + return includeSymbolNameInDescription + ? [ts.Diagnostics.Import_0_from_1, symbolName, moduleSpecifier] + : [ts.Diagnostics.Add_import_from_0, moduleSpecifier]; + } + case 4 /* ImportFixKind.PromoteTypeOnly */: { + var typeOnlyAliasDeclaration = fix.typeOnlyAliasDeclaration; + var promotedDeclaration = promoteFromTypeOnly(changes, typeOnlyAliasDeclaration, compilerOptions, sourceFile); + return promotedDeclaration.kind === 270 /* SyntaxKind.ImportSpecifier */ + ? [ts.Diagnostics.Remove_type_from_import_of_0_from_1, symbolName, getModuleSpecifierText(promotedDeclaration.parent.parent)] + : [ts.Diagnostics.Remove_type_from_import_declaration_from_0, getModuleSpecifierText(promotedDeclaration)]; + } + default: + return ts.Debug.assertNever(fix, "Unexpected fix kind ".concat(fix.kind)); + } + } + function getModuleSpecifierText(promotedDeclaration) { + var _a, _b; + return promotedDeclaration.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ + ? ((_b = ts.tryCast((_a = ts.tryCast(promotedDeclaration.moduleReference, ts.isExternalModuleReference)) === null || _a === void 0 ? void 0 : _a.expression, ts.isStringLiteralLike)) === null || _b === void 0 ? void 0 : _b.text) || promotedDeclaration.moduleReference.getText() + : ts.cast(promotedDeclaration.parent.moduleSpecifier, ts.isStringLiteral).text; + } + function promoteFromTypeOnly(changes, aliasDeclaration, compilerOptions, sourceFile) { + // See comment in `doAddExistingFix` on constant with the same name. + var convertExistingToTypeOnly = compilerOptions.preserveValueImports && compilerOptions.isolatedModules; + switch (aliasDeclaration.kind) { + case 270 /* SyntaxKind.ImportSpecifier */: + if (aliasDeclaration.isTypeOnly) { + if (aliasDeclaration.parent.elements.length > 1 && ts.OrganizeImports.importSpecifiersAreSorted(aliasDeclaration.parent.elements)) { + changes.delete(sourceFile, aliasDeclaration); + var newSpecifier = ts.factory.updateImportSpecifier(aliasDeclaration, /*isTypeOnly*/ false, aliasDeclaration.propertyName, aliasDeclaration.name); + var insertionIndex = ts.OrganizeImports.getImportSpecifierInsertionIndex(aliasDeclaration.parent.elements, newSpecifier); + changes.insertImportSpecifierAtIndex(sourceFile, newSpecifier, aliasDeclaration.parent, insertionIndex); + } + else { + changes.deleteRange(sourceFile, aliasDeclaration.getFirstToken()); + } + return aliasDeclaration; + } + else { + ts.Debug.assert(aliasDeclaration.parent.parent.isTypeOnly); + promoteImportClause(aliasDeclaration.parent.parent); + return aliasDeclaration.parent.parent; + } + case 267 /* SyntaxKind.ImportClause */: + promoteImportClause(aliasDeclaration); + return aliasDeclaration; + case 268 /* SyntaxKind.NamespaceImport */: + promoteImportClause(aliasDeclaration.parent); + return aliasDeclaration.parent; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + changes.deleteRange(sourceFile, aliasDeclaration.getChildAt(1)); + return aliasDeclaration; + default: + ts.Debug.failBadSyntaxKind(aliasDeclaration); + } + function promoteImportClause(importClause) { + changes.delete(sourceFile, ts.getTypeKeywordOfTypeOnlyImport(importClause, sourceFile)); + if (convertExistingToTypeOnly) { + var namedImports = ts.tryCast(importClause.namedBindings, ts.isNamedImports); + if (namedImports && namedImports.elements.length > 1) { + if (ts.OrganizeImports.importSpecifiersAreSorted(namedImports.elements) && + aliasDeclaration.kind === 270 /* SyntaxKind.ImportSpecifier */ && + namedImports.elements.indexOf(aliasDeclaration) !== 0) { + // The import specifier being promoted will be the only non-type-only, + // import in the NamedImports, so it should be moved to the front. + changes.delete(sourceFile, aliasDeclaration); + changes.insertImportSpecifierAtIndex(sourceFile, aliasDeclaration, namedImports, 0); + } + for (var _i = 0, _a = namedImports.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element !== aliasDeclaration && !element.isTypeOnly) { + changes.insertModifierBefore(sourceFile, 152 /* SyntaxKind.TypeKeyword */, element); + } + } + } + } + } + } + function doAddExistingFix(changes, sourceFile, clause, defaultImport, namedImports, compilerOptions) { + var _a; + if (clause.kind === 201 /* SyntaxKind.ObjectBindingPattern */) { + if (defaultImport) { + addElementToBindingPattern(clause, defaultImport.name, "default"); + } + for (var _i = 0, namedImports_1 = namedImports; _i < namedImports_1.length; _i++) { + var specifier = namedImports_1[_i]; + addElementToBindingPattern(clause, specifier.name, /*propertyName*/ undefined); + } + return; + } + var promoteFromTypeOnly = clause.isTypeOnly && ts.some(__spreadArray([defaultImport], namedImports, true), function (i) { return (i === null || i === void 0 ? void 0 : i.addAsTypeOnly) === 4 /* AddAsTypeOnly.NotAllowed */; }); + var existingSpecifiers = clause.namedBindings && ((_a = ts.tryCast(clause.namedBindings, ts.isNamedImports)) === null || _a === void 0 ? void 0 : _a.elements); + // If we are promoting from a type-only import and `--isolatedModules` and `--preserveValueImports` + // are enabled, we need to make every existing import specifier type-only. It may be possible that + // some of them don't strictly need to be marked type-only (if they have a value meaning and are + // never used in an emitting position). These are allowed to be imported without being type-only, + // but the user has clearly already signified that they don't need them to be present at runtime + // by placing them in a type-only import. So, just mark each specifier as type-only. + var convertExistingToTypeOnly = promoteFromTypeOnly && compilerOptions.preserveValueImports && compilerOptions.isolatedModules; + if (defaultImport) { + ts.Debug.assert(!clause.name, "Cannot add a default import to an import clause that already has one"); + changes.insertNodeAt(sourceFile, clause.getStart(sourceFile), ts.factory.createIdentifier(defaultImport.name), { suffix: ", " }); + } + if (namedImports.length) { + var newSpecifiers = ts.stableSort(namedImports.map(function (namedImport) { return ts.factory.createImportSpecifier((!clause.isTypeOnly || promoteFromTypeOnly) && needsTypeOnly(namedImport), + /*propertyName*/ undefined, ts.factory.createIdentifier(namedImport.name)); }), ts.OrganizeImports.compareImportOrExportSpecifiers); + if ((existingSpecifiers === null || existingSpecifiers === void 0 ? void 0 : existingSpecifiers.length) && ts.OrganizeImports.importSpecifiersAreSorted(existingSpecifiers)) { + for (var _b = 0, newSpecifiers_1 = newSpecifiers; _b < newSpecifiers_1.length; _b++) { + var spec = newSpecifiers_1[_b]; + // Organize imports puts type-only import specifiers last, so if we're + // adding a non-type-only specifier and converting all the other ones to + // type-only, there's no need to ask for the insertion index - it's 0. + var insertionIndex = convertExistingToTypeOnly && !spec.isTypeOnly + ? 0 + : ts.OrganizeImports.getImportSpecifierInsertionIndex(existingSpecifiers, spec); + changes.insertImportSpecifierAtIndex(sourceFile, spec, clause.namedBindings, insertionIndex); + } + } + else if (existingSpecifiers === null || existingSpecifiers === void 0 ? void 0 : existingSpecifiers.length) { + for (var _c = 0, newSpecifiers_2 = newSpecifiers; _c < newSpecifiers_2.length; _c++) { + var spec = newSpecifiers_2[_c]; + changes.insertNodeInListAfter(sourceFile, ts.last(existingSpecifiers), spec, existingSpecifiers); + } + } + else { + if (newSpecifiers.length) { + var namedImports_2 = ts.factory.createNamedImports(newSpecifiers); + if (clause.namedBindings) { + changes.replaceNode(sourceFile, clause.namedBindings, namedImports_2); + } + else { + changes.insertNodeAfter(sourceFile, ts.Debug.checkDefined(clause.name, "Import clause must have either named imports or a default import"), namedImports_2); + } + } + } + } + if (promoteFromTypeOnly) { + changes.delete(sourceFile, ts.getTypeKeywordOfTypeOnlyImport(clause, sourceFile)); + if (convertExistingToTypeOnly && existingSpecifiers) { + for (var _d = 0, existingSpecifiers_1 = existingSpecifiers; _d < existingSpecifiers_1.length; _d++) { + var specifier = existingSpecifiers_1[_d]; + changes.insertModifierBefore(sourceFile, 152 /* SyntaxKind.TypeKeyword */, specifier); + } + } + } + function addElementToBindingPattern(bindingPattern, name, propertyName) { + var element = ts.factory.createBindingElement(/*dotDotDotToken*/ undefined, propertyName, name); + if (bindingPattern.elements.length) { + changes.insertNodeInListAfter(sourceFile, ts.last(bindingPattern.elements), element); + } + else { + changes.replaceNode(sourceFile, bindingPattern, ts.factory.createObjectBindingPattern([element])); + } + } + } + function addNamespaceQualifier(changes, sourceFile, _a) { + var namespacePrefix = _a.namespacePrefix, position = _a.position; + changes.insertText(sourceFile, position, namespacePrefix + "."); + } + function addImportType(changes, sourceFile, _a, quotePreference) { + var moduleSpecifier = _a.moduleSpecifier, position = _a.position; + changes.insertText(sourceFile, position, getImportTypePrefix(moduleSpecifier, quotePreference)); + } + function getImportTypePrefix(moduleSpecifier, quotePreference) { + var quote = ts.getQuoteFromPreference(quotePreference); + return "import(".concat(quote).concat(moduleSpecifier).concat(quote, ")."); + } + function needsTypeOnly(_a) { + var addAsTypeOnly = _a.addAsTypeOnly; + return addAsTypeOnly === 2 /* AddAsTypeOnly.Required */; + } + function getNewImports(moduleSpecifier, quotePreference, defaultImport, namedImports, namespaceLikeImport) { + var quotedModuleSpecifier = ts.makeStringLiteral(moduleSpecifier, quotePreference); + var statements; + if (defaultImport !== undefined || (namedImports === null || namedImports === void 0 ? void 0 : namedImports.length)) { + var topLevelTypeOnly_1 = (!defaultImport || needsTypeOnly(defaultImport)) && ts.every(namedImports, needsTypeOnly); + statements = ts.combine(statements, ts.makeImport(defaultImport && ts.factory.createIdentifier(defaultImport.name), namedImports === null || namedImports === void 0 ? void 0 : namedImports.map(function (_a) { + var addAsTypeOnly = _a.addAsTypeOnly, name = _a.name; + return ts.factory.createImportSpecifier(!topLevelTypeOnly_1 && addAsTypeOnly === 2 /* AddAsTypeOnly.Required */, + /*propertyName*/ undefined, ts.factory.createIdentifier(name)); + }), moduleSpecifier, quotePreference, topLevelTypeOnly_1)); + } + if (namespaceLikeImport) { + var declaration = namespaceLikeImport.importKind === 3 /* ImportKind.CommonJS */ + ? ts.factory.createImportEqualsDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, needsTypeOnly(namespaceLikeImport), ts.factory.createIdentifier(namespaceLikeImport.name), ts.factory.createExternalModuleReference(quotedModuleSpecifier)) + : ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createImportClause(needsTypeOnly(namespaceLikeImport), + /*name*/ undefined, ts.factory.createNamespaceImport(ts.factory.createIdentifier(namespaceLikeImport.name))), quotedModuleSpecifier, + /*assertClause*/ undefined); + statements = ts.combine(statements, declaration); + } + return ts.Debug.checkDefined(statements); + } + function getNewRequires(moduleSpecifier, quotePreference, defaultImport, namedImports, namespaceLikeImport) { + var quotedModuleSpecifier = ts.makeStringLiteral(moduleSpecifier, quotePreference); + var statements; + // const { default: foo, bar, etc } = require('./mod'); + if (defaultImport || (namedImports === null || namedImports === void 0 ? void 0 : namedImports.length)) { + var bindingElements = (namedImports === null || namedImports === void 0 ? void 0 : namedImports.map(function (_a) { + var name = _a.name; + return ts.factory.createBindingElement(/*dotDotDotToken*/ undefined, /*propertyName*/ undefined, name); + })) || []; + if (defaultImport) { + bindingElements.unshift(ts.factory.createBindingElement(/*dotDotDotToken*/ undefined, "default", defaultImport.name)); + } + var declaration = createConstEqualsRequireDeclaration(ts.factory.createObjectBindingPattern(bindingElements), quotedModuleSpecifier); + statements = ts.combine(statements, declaration); + } + // const foo = require('./mod'); + if (namespaceLikeImport) { + var declaration = createConstEqualsRequireDeclaration(namespaceLikeImport.name, quotedModuleSpecifier); + statements = ts.combine(statements, declaration); + } + return ts.Debug.checkDefined(statements); + } + function createConstEqualsRequireDeclaration(name, quotedModuleSpecifier) { + return ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ + ts.factory.createVariableDeclaration(typeof name === "string" ? ts.factory.createIdentifier(name) : name, + /*exclamationToken*/ undefined, + /*type*/ undefined, ts.factory.createCallExpression(ts.factory.createIdentifier("require"), /*typeArguments*/ undefined, [quotedModuleSpecifier])) + ], 2 /* NodeFlags.Const */)); + } + function symbolHasMeaning(_a, meaning) { + var declarations = _a.declarations; + return ts.some(declarations, function (decl) { return !!(ts.getMeaningFromDeclaration(decl) & meaning); }); + } + function moduleSymbolToValidIdentifier(moduleSymbol, target, forceCapitalize) { + return moduleSpecifierToValidIdentifier(ts.removeFileExtension(ts.stripQuotes(moduleSymbol.name)), target, forceCapitalize); + } + codefix.moduleSymbolToValidIdentifier = moduleSymbolToValidIdentifier; + function moduleSpecifierToValidIdentifier(moduleSpecifier, target, forceCapitalize) { + var baseName = ts.getBaseFileName(ts.removeSuffix(moduleSpecifier, "/index")); + var res = ""; + var lastCharWasValid = true; + var firstCharCode = baseName.charCodeAt(0); + if (ts.isIdentifierStart(firstCharCode, target)) { + res += String.fromCharCode(firstCharCode); + if (forceCapitalize) { + res = res.toUpperCase(); + } + } + else { + lastCharWasValid = false; + } + for (var i = 1; i < baseName.length; i++) { + var ch = baseName.charCodeAt(i); + var isValid = ts.isIdentifierPart(ch, target); + if (isValid) { + var char = String.fromCharCode(ch); + if (!lastCharWasValid) { + char = char.toUpperCase(); + } + res += char; + } + lastCharWasValid = isValid; + } + // Need `|| "_"` to ensure result isn't empty. + return !ts.isStringANonContextualKeyword(res) ? res || "_" : "_".concat(res); + } + codefix.moduleSpecifierToValidIdentifier = moduleSpecifierToValidIdentifier; + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var _a; + var fixName = "fixOverrideModifier"; + var fixAddOverrideId = "fixAddOverrideModifier"; + var fixRemoveOverrideId = "fixRemoveOverrideModifier"; + var errorCodes = [ + ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0.code, + ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_its_containing_class_0_does_not_extend_another_class.code, + ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_an_abstract_method_that_is_declared_in_the_base_class_0.code, + ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_a_member_in_the_base_class_0.code, + ts.Diagnostics.This_parameter_property_must_have_an_override_modifier_because_it_overrides_a_member_in_base_class_0.code, + ts.Diagnostics.This_member_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0.code, + ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_its_containing_class_0_does_not_extend_another_class.code, + ts.Diagnostics.This_parameter_property_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0.code, + ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0.code, + ]; + var errorCodeFixIdMap = (_a = {}, + // case #1: + _a[ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_a_member_in_the_base_class_0.code] = { + descriptions: ts.Diagnostics.Add_override_modifier, + fixId: fixAddOverrideId, + fixAllDescriptions: ts.Diagnostics.Add_all_missing_override_modifiers, + }, + _a[ts.Diagnostics.This_member_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0.code] = { + descriptions: ts.Diagnostics.Add_override_modifier, + fixId: fixAddOverrideId, + fixAllDescriptions: ts.Diagnostics.Add_all_missing_override_modifiers + }, + // case #2: + _a[ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_its_containing_class_0_does_not_extend_another_class.code] = { + descriptions: ts.Diagnostics.Remove_override_modifier, + fixId: fixRemoveOverrideId, + fixAllDescriptions: ts.Diagnostics.Remove_all_unnecessary_override_modifiers, + }, + _a[ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_its_containing_class_0_does_not_extend_another_class.code] = { + descriptions: ts.Diagnostics.Remove_override_modifier, + fixId: fixRemoveOverrideId, + fixAllDescriptions: ts.Diagnostics.Remove_override_modifier + }, + // case #3: + _a[ts.Diagnostics.This_parameter_property_must_have_an_override_modifier_because_it_overrides_a_member_in_base_class_0.code] = { + descriptions: ts.Diagnostics.Add_override_modifier, + fixId: fixAddOverrideId, + fixAllDescriptions: ts.Diagnostics.Add_all_missing_override_modifiers, + }, + _a[ts.Diagnostics.This_parameter_property_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0.code] = { + descriptions: ts.Diagnostics.Add_override_modifier, + fixId: fixAddOverrideId, + fixAllDescriptions: ts.Diagnostics.Add_all_missing_override_modifiers, + }, + // case #4: + _a[ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_an_abstract_method_that_is_declared_in_the_base_class_0.code] = { + descriptions: ts.Diagnostics.Add_override_modifier, + fixId: fixAddOverrideId, + fixAllDescriptions: ts.Diagnostics.Remove_all_unnecessary_override_modifiers, + }, + // case #5: + _a[ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0.code] = { + descriptions: ts.Diagnostics.Remove_override_modifier, + fixId: fixRemoveOverrideId, + fixAllDescriptions: ts.Diagnostics.Remove_all_unnecessary_override_modifiers, + }, + _a[ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0.code] = { + descriptions: ts.Diagnostics.Remove_override_modifier, + fixId: fixRemoveOverrideId, + fixAllDescriptions: ts.Diagnostics.Remove_all_unnecessary_override_modifiers, + }, + _a); + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixOverrideModifierIssues(context) { + var errorCode = context.errorCode, span = context.span; + var info = errorCodeFixIdMap[errorCode]; + if (!info) + return ts.emptyArray; + var descriptions = info.descriptions, fixId = info.fixId, fixAllDescriptions = info.fixAllDescriptions; + var changes = ts.textChanges.ChangeTracker.with(context, function (changes) { return dispatchChanges(changes, context, errorCode, span.start); }); + return [ + codefix.createCodeFixActionMaybeFixAll(fixName, changes, descriptions, fixId, fixAllDescriptions) + ]; + }, + fixIds: [fixName, fixAddOverrideId, fixRemoveOverrideId], + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var code = diag.code, start = diag.start; + var info = errorCodeFixIdMap[code]; + if (!info || info.fixId !== context.fixId) { + return; + } + dispatchChanges(changes, context, code, start); + }); + } + }); + function dispatchChanges(changeTracker, context, errorCode, pos) { + switch (errorCode) { + case ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_a_member_in_the_base_class_0.code: + case ts.Diagnostics.This_member_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0.code: + case ts.Diagnostics.This_member_must_have_an_override_modifier_because_it_overrides_an_abstract_method_that_is_declared_in_the_base_class_0.code: + case ts.Diagnostics.This_parameter_property_must_have_an_override_modifier_because_it_overrides_a_member_in_base_class_0.code: + case ts.Diagnostics.This_parameter_property_must_have_a_JSDoc_comment_with_an_override_tag_because_it_overrides_a_member_in_the_base_class_0.code: + return doAddOverrideModifierChange(changeTracker, context.sourceFile, pos); + case ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0.code: + case ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0.code: + case ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_its_containing_class_0_does_not_extend_another_class.code: + case ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_its_containing_class_0_does_not_extend_another_class.code: + return doRemoveOverrideModifierChange(changeTracker, context.sourceFile, pos); + default: + ts.Debug.fail("Unexpected error code: " + errorCode); + } + } + function doAddOverrideModifierChange(changeTracker, sourceFile, pos) { + var classElement = findContainerClassElementLike(sourceFile, pos); + if (ts.isSourceFileJS(sourceFile)) { + changeTracker.addJSDocTags(sourceFile, classElement, [ts.factory.createJSDocOverrideTag(ts.factory.createIdentifier("override"))]); + return; + } + var modifiers = classElement.modifiers || ts.emptyArray; + var staticModifier = ts.find(modifiers, ts.isStaticModifier); + var abstractModifier = ts.find(modifiers, ts.isAbstractModifier); + var accessibilityModifier = ts.find(modifiers, function (m) { return ts.isAccessibilityModifier(m.kind); }); + var modifierPos = abstractModifier ? abstractModifier.end : + staticModifier ? staticModifier.end : + accessibilityModifier ? accessibilityModifier.end : + classElement.decorators ? ts.skipTrivia(sourceFile.text, classElement.decorators.end) : classElement.getStart(sourceFile); + var options = accessibilityModifier || staticModifier || abstractModifier ? { prefix: " " } : { suffix: " " }; + changeTracker.insertModifierAt(sourceFile, modifierPos, 159 /* SyntaxKind.OverrideKeyword */, options); + } + function doRemoveOverrideModifierChange(changeTracker, sourceFile, pos) { + var classElement = findContainerClassElementLike(sourceFile, pos); + if (ts.isSourceFileJS(sourceFile)) { + changeTracker.filterJSDocTags(sourceFile, classElement, ts.not(ts.isJSDocOverrideTag)); + return; + } + var overrideModifier = classElement.modifiers && ts.find(classElement.modifiers, function (modifier) { return modifier.kind === 159 /* SyntaxKind.OverrideKeyword */; }); + ts.Debug.assertIsDefined(overrideModifier); + changeTracker.deleteModifier(sourceFile, overrideModifier); + } + function isClassElementLikeHasJSDoc(node) { + switch (node.kind) { + case 171 /* SyntaxKind.Constructor */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + return true; + case 164 /* SyntaxKind.Parameter */: + return ts.isParameterPropertyDeclaration(node, node.parent); + default: + return false; + } + } + function findContainerClassElementLike(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + var classElement = ts.findAncestor(token, function (node) { + if (ts.isClassLike(node)) + return "quit"; + return isClassElementLikeHasJSDoc(node); + }); + ts.Debug.assert(classElement && isClassElementLikeHasJSDoc(classElement)); + return classElement; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixNoPropertyAccessFromIndexSignature"; + var errorCodes = [ + ts.Diagnostics.Property_0_comes_from_an_index_signature_so_it_must_be_accessed_with_0.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixId], + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span, preferences = context.preferences; + var property = getPropertyAccessExpression(sourceFile, span.start); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, property, preferences); }); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Use_element_access_for_0, property.name.text], fixId, ts.Diagnostics.Use_element_access_for_all_undeclared_properties)]; + }, + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, getPropertyAccessExpression(diag.file, diag.start), context.preferences); }); + } + }); + function doChange(changes, sourceFile, node, preferences) { + var quotePreference = ts.getQuotePreference(sourceFile, preferences); + var argumentsExpression = ts.factory.createStringLiteral(node.name.text, quotePreference === 0 /* QuotePreference.Single */); + changes.replaceNode(sourceFile, node, ts.isPropertyAccessChain(node) ? + ts.factory.createElementAccessChain(node.expression, node.questionDotToken, argumentsExpression) : + ts.factory.createElementAccessExpression(node.expression, argumentsExpression)); + } + function getPropertyAccessExpression(sourceFile, pos) { + return ts.cast(ts.getTokenAtPosition(sourceFile, pos).parent, ts.isPropertyAccessExpression); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixImplicitThis"; + var errorCodes = [ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixImplicitThis(context) { + var sourceFile = context.sourceFile, program = context.program, span = context.span; + var diagnostic; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { + diagnostic = doChange(t, sourceFile, span.start, program.getTypeChecker()); + }); + return diagnostic ? [codefix.createCodeFixAction(fixId, changes, diagnostic, fixId, ts.Diagnostics.Fix_all_implicit_this_errors)] : ts.emptyArray; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + doChange(changes, diag.file, diag.start, context.program.getTypeChecker()); + }); }, + }); + function doChange(changes, sourceFile, pos, checker) { + var token = ts.getTokenAtPosition(sourceFile, pos); + if (!ts.isThis(token)) + return undefined; + var fn = ts.getThisContainer(token, /*includeArrowFunctions*/ false); + if (!ts.isFunctionDeclaration(fn) && !ts.isFunctionExpression(fn)) + return undefined; + if (!ts.isSourceFile(ts.getThisContainer(fn, /*includeArrowFunctions*/ false))) { // 'this' is defined outside, convert to arrow function + var fnKeyword = ts.Debug.checkDefined(ts.findChildOfKind(fn, 98 /* SyntaxKind.FunctionKeyword */, sourceFile)); + var name = fn.name; + var body = ts.Debug.checkDefined(fn.body); // Should be defined because the function contained a 'this' expression + if (ts.isFunctionExpression(fn)) { + if (name && ts.FindAllReferences.Core.isSymbolReferencedInFile(name, checker, sourceFile, body)) { + // Function expression references itself. To fix we would have to extract it to a const. + return undefined; + } + // `function() {}` --> `() => {}` + changes.delete(sourceFile, fnKeyword); + if (name) { + changes.delete(sourceFile, name); + } + changes.insertText(sourceFile, body.pos, " =>"); + return [ts.Diagnostics.Convert_function_expression_0_to_arrow_function, name ? name.text : ts.ANONYMOUS]; + } + else { + // `function f() {}` => `const f = () => {}` + // `name` should be defined because we only do this in inner contexts, and name is only undefined for `export default function() {}`. + changes.replaceNode(sourceFile, fnKeyword, ts.factory.createToken(85 /* SyntaxKind.ConstKeyword */)); + changes.insertText(sourceFile, name.end, " = "); + changes.insertText(sourceFile, body.pos, " =>"); + return [ts.Diagnostics.Convert_function_declaration_0_to_arrow_function, name.text]; + } + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixIncorrectNamedTupleSyntax"; + var errorCodes = [ + ts.Diagnostics.A_labeled_tuple_element_is_declared_as_optional_with_a_question_mark_after_the_name_and_before_the_colon_rather_than_after_the_type.code, + ts.Diagnostics.A_labeled_tuple_element_is_declared_as_rest_with_a_before_the_name_rather_than_before_the_type.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixIncorrectNamedTupleSyntax(context) { + var sourceFile = context.sourceFile, span = context.span; + var namedTupleMember = getNamedTupleMember(sourceFile, span.start); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, namedTupleMember); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Move_labeled_tuple_element_modifiers_to_labels, fixId, ts.Diagnostics.Move_labeled_tuple_element_modifiers_to_labels)]; + }, + fixIds: [fixId] + }); + function getNamedTupleMember(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + return ts.findAncestor(token, function (t) { return t.kind === 197 /* SyntaxKind.NamedTupleMember */; }); + } + function doChange(changes, sourceFile, namedTupleMember) { + if (!namedTupleMember) { + return; + } + var unwrappedType = namedTupleMember.type; + var sawOptional = false; + var sawRest = false; + while (unwrappedType.kind === 185 /* SyntaxKind.OptionalType */ || unwrappedType.kind === 186 /* SyntaxKind.RestType */ || unwrappedType.kind === 191 /* SyntaxKind.ParenthesizedType */) { + if (unwrappedType.kind === 185 /* SyntaxKind.OptionalType */) { + sawOptional = true; + } + else if (unwrappedType.kind === 186 /* SyntaxKind.RestType */) { + sawRest = true; + } + unwrappedType = unwrappedType.type; + } + var updated = ts.factory.updateNamedTupleMember(namedTupleMember, namedTupleMember.dotDotDotToken || (sawRest ? ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */) : undefined), namedTupleMember.name, namedTupleMember.questionToken || (sawOptional ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined), unwrappedType); + if (updated === namedTupleMember) { + return; + } + changes.replaceNode(sourceFile, namedTupleMember, updated); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixSpelling"; + var errorCodes = [ + ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2.code, + ts.Diagnostics.Property_0_may_not_exist_on_type_1_Did_you_mean_2.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1.code, + ts.Diagnostics.Could_not_find_name_0_Did_you_mean_1.code, + ts.Diagnostics.Cannot_find_namespace_0_Did_you_mean_1.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code, + ts.Diagnostics._0_has_no_exported_member_named_1_Did_you_mean_2.code, + ts.Diagnostics.This_member_cannot_have_an_override_modifier_because_it_is_not_declared_in_the_base_class_0_Did_you_mean_1.code, + ts.Diagnostics.This_member_cannot_have_a_JSDoc_comment_with_an_override_tag_because_it_is_not_declared_in_the_base_class_0_Did_you_mean_1.code, + // for JSX class components + ts.Diagnostics.No_overload_matches_this_call.code, + // for JSX FC + ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, errorCode = context.errorCode; + var info = getInfo(sourceFile, context.span.start, context, errorCode); + if (!info) + return undefined; + var node = info.node, suggestedSymbol = info.suggestedSymbol; + var target = ts.getEmitScriptTarget(context.host.getCompilationSettings()); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, node, suggestedSymbol, target); }); + return [codefix.createCodeFixAction("spelling", changes, [ts.Diagnostics.Change_spelling_to_0, ts.symbolName(suggestedSymbol)], fixId, ts.Diagnostics.Fix_all_detected_spelling_errors)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start, context, diag.code); + var target = ts.getEmitScriptTarget(context.host.getCompilationSettings()); + if (info) + doChange(changes, context.sourceFile, info.node, info.suggestedSymbol, target); + }); }, + }); + function getInfo(sourceFile, pos, context, errorCode) { + // This is the identifier of the misspelled word. eg: + // this.speling = 1; + // ^^^^^^^ + var node = ts.getTokenAtPosition(sourceFile, pos); + var parent = node.parent; + // Only fix spelling for No_overload_matches_this_call emitted on the React class component + if ((errorCode === ts.Diagnostics.No_overload_matches_this_call.code || + errorCode === ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code) && + !ts.isJsxAttribute(parent)) + return undefined; + var checker = context.program.getTypeChecker(); + var suggestedSymbol; + if (ts.isPropertyAccessExpression(parent) && parent.name === node) { + ts.Debug.assert(ts.isMemberName(node), "Expected an identifier for spelling (property access)"); + var containingType = checker.getTypeAtLocation(parent.expression); + if (parent.flags & 32 /* NodeFlags.OptionalChain */) { + containingType = checker.getNonNullableType(containingType); + } + suggestedSymbol = checker.getSuggestedSymbolForNonexistentProperty(node, containingType); + } + else if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 101 /* SyntaxKind.InKeyword */ && parent.left === node && ts.isPrivateIdentifier(node)) { + var receiverType = checker.getTypeAtLocation(parent.right); + suggestedSymbol = checker.getSuggestedSymbolForNonexistentProperty(node, receiverType); + } + else if (ts.isQualifiedName(parent) && parent.right === node) { + var symbol = checker.getSymbolAtLocation(parent.left); + if (symbol && symbol.flags & 1536 /* SymbolFlags.Module */) { + suggestedSymbol = checker.getSuggestedSymbolForNonexistentModule(parent.right, symbol); + } + } + else if (ts.isImportSpecifier(parent) && parent.name === node) { + ts.Debug.assertNode(node, ts.isIdentifier, "Expected an identifier for spelling (import)"); + var importDeclaration = ts.findAncestor(node, ts.isImportDeclaration); + var resolvedSourceFile = getResolvedSourceFileFromImportDeclaration(sourceFile, context, importDeclaration); + if (resolvedSourceFile && resolvedSourceFile.symbol) { + suggestedSymbol = checker.getSuggestedSymbolForNonexistentModule(node, resolvedSourceFile.symbol); + } + } + else if (ts.isJsxAttribute(parent) && parent.name === node) { + ts.Debug.assertNode(node, ts.isIdentifier, "Expected an identifier for JSX attribute"); + var tag = ts.findAncestor(node, ts.isJsxOpeningLikeElement); + var props = checker.getContextualTypeForArgumentAtIndex(tag, 0); + suggestedSymbol = checker.getSuggestedSymbolForNonexistentJSXAttribute(node, props); + } + else if (ts.hasSyntacticModifier(parent, 16384 /* ModifierFlags.Override */) && ts.isClassElement(parent) && parent.name === node) { + var baseDeclaration = ts.findAncestor(node, ts.isClassLike); + var baseTypeNode = baseDeclaration ? ts.getEffectiveBaseTypeNode(baseDeclaration) : undefined; + var baseType = baseTypeNode ? checker.getTypeAtLocation(baseTypeNode) : undefined; + if (baseType) { + suggestedSymbol = checker.getSuggestedSymbolForNonexistentClassMember(ts.getTextOfNode(node), baseType); + } + } + else { + var meaning = ts.getMeaningFromLocation(node); + var name = ts.getTextOfNode(node); + ts.Debug.assert(name !== undefined, "name should be defined"); + suggestedSymbol = checker.getSuggestedSymbolForNonexistentSymbol(node, name, convertSemanticMeaningToSymbolFlags(meaning)); + } + return suggestedSymbol === undefined ? undefined : { node: node, suggestedSymbol: suggestedSymbol }; + } + function doChange(changes, sourceFile, node, suggestedSymbol, target) { + var suggestion = ts.symbolName(suggestedSymbol); + if (!ts.isIdentifierText(suggestion, target) && ts.isPropertyAccessExpression(node.parent)) { + var valDecl = suggestedSymbol.valueDeclaration; + if (valDecl && ts.isNamedDeclaration(valDecl) && ts.isPrivateIdentifier(valDecl.name)) { + changes.replaceNode(sourceFile, node, ts.factory.createIdentifier(suggestion)); + } + else { + changes.replaceNode(sourceFile, node.parent, ts.factory.createElementAccessExpression(node.parent.expression, ts.factory.createStringLiteral(suggestion))); + } + } + else { + changes.replaceNode(sourceFile, node, ts.factory.createIdentifier(suggestion)); + } + } + function convertSemanticMeaningToSymbolFlags(meaning) { + var flags = 0; + if (meaning & 4 /* SemanticMeaning.Namespace */) { + flags |= 1920 /* SymbolFlags.Namespace */; + } + if (meaning & 2 /* SemanticMeaning.Type */) { + flags |= 788968 /* SymbolFlags.Type */; + } + if (meaning & 1 /* SemanticMeaning.Value */) { + flags |= 111551 /* SymbolFlags.Value */; + } + return flags; + } + function getResolvedSourceFileFromImportDeclaration(sourceFile, context, importDeclaration) { + if (!importDeclaration || !ts.isStringLiteralLike(importDeclaration.moduleSpecifier)) + return undefined; + var resolvedModule = ts.getResolvedModule(sourceFile, importDeclaration.moduleSpecifier.text, ts.getModeForUsageLocation(sourceFile, importDeclaration.moduleSpecifier)); + if (!resolvedModule) + return undefined; + return context.program.getSourceFile(resolvedModule.resolvedFileName); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "returnValueCorrect"; + var fixIdAddReturnStatement = "fixAddReturnStatement"; + var fixRemoveBracesFromArrowFunctionBody = "fixRemoveBracesFromArrowFunctionBody"; + var fixIdWrapTheBlockWithParen = "fixWrapTheBlockWithParen"; + var errorCodes = [ + ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value.code, + ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code, + ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code + ]; + var ProblemKind; + (function (ProblemKind) { + ProblemKind[ProblemKind["MissingReturnStatement"] = 0] = "MissingReturnStatement"; + ProblemKind[ProblemKind["MissingParentheses"] = 1] = "MissingParentheses"; + })(ProblemKind || (ProblemKind = {})); + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixIdAddReturnStatement, fixRemoveBracesFromArrowFunctionBody, fixIdWrapTheBlockWithParen], + getCodeActions: function getCodeActionsToCorrectReturnValue(context) { + var program = context.program, sourceFile = context.sourceFile, start = context.span.start, errorCode = context.errorCode; + var info = getInfo(program.getTypeChecker(), sourceFile, start, errorCode); + if (!info) + return undefined; + if (info.kind === ProblemKind.MissingReturnStatement) { + return ts.append([getActionForfixAddReturnStatement(context, info.expression, info.statement)], ts.isArrowFunction(info.declaration) ? getActionForFixRemoveBracesFromArrowFunctionBody(context, info.declaration, info.expression, info.commentSource) : undefined); + } + else { + return [getActionForfixWrapTheBlockWithParen(context, info.declaration, info.expression)]; + } + }, + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(context.program.getTypeChecker(), diag.file, diag.start, diag.code); + if (!info) + return undefined; + switch (context.fixId) { + case fixIdAddReturnStatement: + addReturnStatement(changes, diag.file, info.expression, info.statement); + break; + case fixRemoveBracesFromArrowFunctionBody: + if (!ts.isArrowFunction(info.declaration)) + return undefined; + removeBlockBodyBrace(changes, diag.file, info.declaration, info.expression, info.commentSource, /* withParen */ false); + break; + case fixIdWrapTheBlockWithParen: + if (!ts.isArrowFunction(info.declaration)) + return undefined; + wrapBlockWithParen(changes, diag.file, info.declaration, info.expression); + break; + default: + ts.Debug.fail(JSON.stringify(context.fixId)); + } + }); }, + }); + function createObjectTypeFromLabeledExpression(checker, label, expression) { + var member = checker.createSymbol(4 /* SymbolFlags.Property */, label.escapedText); + member.type = checker.getTypeAtLocation(expression); + var members = ts.createSymbolTable([member]); + return checker.createAnonymousType(/*symbol*/ undefined, members, [], [], []); + } + function getFixInfo(checker, declaration, expectType, isFunctionType) { + if (!declaration.body || !ts.isBlock(declaration.body) || ts.length(declaration.body.statements) !== 1) + return undefined; + var firstStatement = ts.first(declaration.body.statements); + if (ts.isExpressionStatement(firstStatement) && checkFixedAssignableTo(checker, declaration, checker.getTypeAtLocation(firstStatement.expression), expectType, isFunctionType)) { + return { + declaration: declaration, + kind: ProblemKind.MissingReturnStatement, + expression: firstStatement.expression, + statement: firstStatement, + commentSource: firstStatement.expression + }; + } + else if (ts.isLabeledStatement(firstStatement) && ts.isExpressionStatement(firstStatement.statement)) { + var node = ts.factory.createObjectLiteralExpression([ts.factory.createPropertyAssignment(firstStatement.label, firstStatement.statement.expression)]); + var nodeType = createObjectTypeFromLabeledExpression(checker, firstStatement.label, firstStatement.statement.expression); + if (checkFixedAssignableTo(checker, declaration, nodeType, expectType, isFunctionType)) { + return ts.isArrowFunction(declaration) ? { + declaration: declaration, + kind: ProblemKind.MissingParentheses, + expression: node, + statement: firstStatement, + commentSource: firstStatement.statement.expression + } : { + declaration: declaration, + kind: ProblemKind.MissingReturnStatement, + expression: node, + statement: firstStatement, + commentSource: firstStatement.statement.expression + }; + } + } + else if (ts.isBlock(firstStatement) && ts.length(firstStatement.statements) === 1) { + var firstBlockStatement = ts.first(firstStatement.statements); + if (ts.isLabeledStatement(firstBlockStatement) && ts.isExpressionStatement(firstBlockStatement.statement)) { + var node = ts.factory.createObjectLiteralExpression([ts.factory.createPropertyAssignment(firstBlockStatement.label, firstBlockStatement.statement.expression)]); + var nodeType = createObjectTypeFromLabeledExpression(checker, firstBlockStatement.label, firstBlockStatement.statement.expression); + if (checkFixedAssignableTo(checker, declaration, nodeType, expectType, isFunctionType)) { + return { + declaration: declaration, + kind: ProblemKind.MissingReturnStatement, + expression: node, + statement: firstStatement, + commentSource: firstBlockStatement + }; + } + } + } + return undefined; + } + function checkFixedAssignableTo(checker, declaration, exprType, type, isFunctionType) { + if (isFunctionType) { + var sig = checker.getSignatureFromDeclaration(declaration); + if (sig) { + if (ts.hasSyntacticModifier(declaration, 256 /* ModifierFlags.Async */)) { + exprType = checker.createPromiseType(exprType); + } + var newSig = checker.createSignature(declaration, sig.typeParameters, sig.thisParameter, sig.parameters, exprType, + /*typePredicate*/ undefined, sig.minArgumentCount, sig.flags); + exprType = checker.createAnonymousType( + /*symbol*/ undefined, ts.createSymbolTable(), [newSig], [], []); + } + else { + exprType = checker.getAnyType(); + } + } + return checker.isTypeAssignableTo(exprType, type); + } + function getInfo(checker, sourceFile, position, errorCode) { + var node = ts.getTokenAtPosition(sourceFile, position); + if (!node.parent) + return undefined; + var declaration = ts.findAncestor(node.parent, ts.isFunctionLikeDeclaration); + switch (errorCode) { + case ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value.code: + if (!declaration || !declaration.body || !declaration.type || !ts.rangeContainsRange(declaration.type, node)) + return undefined; + return getFixInfo(checker, declaration, checker.getTypeFromTypeNode(declaration.type), /* isFunctionType */ false); + case ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code: + if (!declaration || !ts.isCallExpression(declaration.parent) || !declaration.body) + return undefined; + var pos = declaration.parent.arguments.indexOf(declaration); + var type = checker.getContextualTypeForArgumentAtIndex(declaration.parent, pos); + if (!type) + return undefined; + return getFixInfo(checker, declaration, type, /* isFunctionType */ true); + case ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code: + if (!ts.isDeclarationName(node) || !ts.isVariableLike(node.parent) && !ts.isJsxAttribute(node.parent)) + return undefined; + var initializer = getVariableLikeInitializer(node.parent); + if (!initializer || !ts.isFunctionLikeDeclaration(initializer) || !initializer.body) + return undefined; + return getFixInfo(checker, initializer, checker.getTypeAtLocation(node.parent), /* isFunctionType */ true); + } + return undefined; + } + function getVariableLikeInitializer(declaration) { + switch (declaration.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + case 164 /* SyntaxKind.Parameter */: + case 203 /* SyntaxKind.BindingElement */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 296 /* SyntaxKind.PropertyAssignment */: + return declaration.initializer; + case 285 /* SyntaxKind.JsxAttribute */: + return declaration.initializer && (ts.isJsxExpression(declaration.initializer) ? declaration.initializer.expression : undefined); + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + case 166 /* SyntaxKind.PropertySignature */: + case 299 /* SyntaxKind.EnumMember */: + case 347 /* SyntaxKind.JSDocPropertyTag */: + case 340 /* SyntaxKind.JSDocParameterTag */: + return undefined; + } + } + function addReturnStatement(changes, sourceFile, expression, statement) { + ts.suppressLeadingAndTrailingTrivia(expression); + var probablyNeedSemi = ts.probablyUsesSemicolons(sourceFile); + changes.replaceNode(sourceFile, statement, ts.factory.createReturnStatement(expression), { + leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude, + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Exclude, + suffix: probablyNeedSemi ? ";" : undefined + }); + } + function removeBlockBodyBrace(changes, sourceFile, declaration, expression, commentSource, withParen) { + var newBody = (withParen || ts.needsParentheses(expression)) ? ts.factory.createParenthesizedExpression(expression) : expression; + ts.suppressLeadingAndTrailingTrivia(commentSource); + ts.copyComments(commentSource, newBody); + changes.replaceNode(sourceFile, declaration.body, newBody); + } + function wrapBlockWithParen(changes, sourceFile, declaration, expression) { + changes.replaceNode(sourceFile, declaration.body, ts.factory.createParenthesizedExpression(expression)); + } + function getActionForfixAddReturnStatement(context, expression, statement) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addReturnStatement(t, context.sourceFile, expression, statement); }); + return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_a_return_statement, fixIdAddReturnStatement, ts.Diagnostics.Add_all_missing_return_statement); + } + function getActionForFixRemoveBracesFromArrowFunctionBody(context, declaration, expression, commentSource) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return removeBlockBodyBrace(t, context.sourceFile, declaration, expression, commentSource, /* withParen */ false); }); + return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_braces_from_arrow_function_body, fixRemoveBracesFromArrowFunctionBody, ts.Diagnostics.Remove_braces_from_all_arrow_function_bodies_with_relevant_issues); + } + function getActionForfixWrapTheBlockWithParen(context, declaration, expression) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return wrapBlockWithParen(t, context.sourceFile, declaration, expression); }); + return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Wrap_the_following_body_with_parentheses_which_should_be_an_object_literal, fixIdWrapTheBlockWithParen, ts.Diagnostics.Wrap_all_object_literal_with_parentheses); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixMissingMember = "fixMissingMember"; + var fixMissingProperties = "fixMissingProperties"; + var fixMissingAttributes = "fixMissingAttributes"; + var fixMissingFunctionDeclaration = "fixMissingFunctionDeclaration"; + var errorCodes = [ + ts.Diagnostics.Property_0_does_not_exist_on_type_1.code, + ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2.code, + ts.Diagnostics.Property_0_is_missing_in_type_1_but_required_in_type_2.code, + ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2.code, + ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more.code, + ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code, + ts.Diagnostics.Cannot_find_name_0.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var typeChecker = context.program.getTypeChecker(); + var info = getInfo(context.sourceFile, context.span.start, context.errorCode, typeChecker, context.program); + if (!info) { + return undefined; + } + if (info.kind === 3 /* InfoKind.ObjectLiteral */) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addObjectLiteralProperties(t, context, info); }); + return [codefix.createCodeFixAction(fixMissingProperties, changes, ts.Diagnostics.Add_missing_properties, fixMissingProperties, ts.Diagnostics.Add_all_missing_properties)]; + } + if (info.kind === 4 /* InfoKind.JsxAttributes */) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addJsxAttributes(t, context, info); }); + return [codefix.createCodeFixAction(fixMissingAttributes, changes, ts.Diagnostics.Add_missing_attributes, fixMissingAttributes, ts.Diagnostics.Add_all_missing_attributes)]; + } + if (info.kind === 2 /* InfoKind.Function */) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addFunctionDeclaration(t, context, info); }); + return [codefix.createCodeFixAction(fixMissingFunctionDeclaration, changes, [ts.Diagnostics.Add_missing_function_declaration_0, info.token.text], fixMissingFunctionDeclaration, ts.Diagnostics.Add_all_missing_function_declarations)]; + } + if (info.kind === 1 /* InfoKind.Enum */) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addEnumMemberDeclaration(t, context.program.getTypeChecker(), info); }); + return [codefix.createCodeFixAction(fixMissingMember, changes, [ts.Diagnostics.Add_missing_enum_member_0, info.token.text], fixMissingMember, ts.Diagnostics.Add_all_missing_members)]; + } + return ts.concatenate(getActionsForMissingMethodDeclaration(context, info), getActionsForMissingMemberDeclaration(context, info)); + }, + fixIds: [fixMissingMember, fixMissingFunctionDeclaration, fixMissingProperties, fixMissingAttributes], + getAllCodeActions: function (context) { + var program = context.program, fixId = context.fixId; + var checker = program.getTypeChecker(); + var seen = new ts.Map(); + var typeDeclToMembers = new ts.Map(); + return codefix.createCombinedCodeActions(ts.textChanges.ChangeTracker.with(context, function (changes) { + codefix.eachDiagnostic(context, errorCodes, function (diag) { + var info = getInfo(diag.file, diag.start, diag.code, checker, context.program); + if (!info || !ts.addToSeen(seen, ts.getNodeId(info.parentDeclaration) + "#" + info.token.text)) { + return; + } + if (fixId === fixMissingFunctionDeclaration && info.kind === 2 /* InfoKind.Function */) { + addFunctionDeclaration(changes, context, info); + } + else if (fixId === fixMissingProperties && info.kind === 3 /* InfoKind.ObjectLiteral */) { + addObjectLiteralProperties(changes, context, info); + } + else if (fixId === fixMissingAttributes && info.kind === 4 /* InfoKind.JsxAttributes */) { + addJsxAttributes(changes, context, info); + } + else { + if (info.kind === 1 /* InfoKind.Enum */) { + addEnumMemberDeclaration(changes, checker, info); + } + if (info.kind === 0 /* InfoKind.TypeLikeDeclaration */) { + var parentDeclaration = info.parentDeclaration, token_1 = info.token; + var infos = ts.getOrUpdate(typeDeclToMembers, parentDeclaration, function () { return []; }); + if (!infos.some(function (i) { return i.token.text === token_1.text; })) { + infos.push(info); + } + } + } + }); + typeDeclToMembers.forEach(function (infos, declaration) { + var supers = ts.isTypeLiteralNode(declaration) ? undefined : codefix.getAllSupers(declaration, checker); + var _loop_15 = function (info) { + // If some superclass added this property, don't add it again. + if (supers === null || supers === void 0 ? void 0 : supers.some(function (superClassOrInterface) { + var superInfos = typeDeclToMembers.get(superClassOrInterface); + return !!superInfos && superInfos.some(function (_a) { + var token = _a.token; + return token.text === info.token.text; + }); + })) + return "continue"; + var parentDeclaration = info.parentDeclaration, declSourceFile = info.declSourceFile, modifierFlags = info.modifierFlags, token = info.token, call = info.call, isJSFile = info.isJSFile; + // Always prefer to add a method declaration if possible. + if (call && !ts.isPrivateIdentifier(token)) { + addMethodDeclaration(context, changes, call, token, modifierFlags & 32 /* ModifierFlags.Static */, parentDeclaration, declSourceFile); + } + else { + if (isJSFile && !ts.isInterfaceDeclaration(parentDeclaration) && !ts.isTypeLiteralNode(parentDeclaration)) { + addMissingMemberInJs(changes, declSourceFile, parentDeclaration, token, !!(modifierFlags & 32 /* ModifierFlags.Static */)); + } + else { + var typeNode = getTypeNode(checker, parentDeclaration, token); + addPropertyDeclaration(changes, declSourceFile, parentDeclaration, token.text, typeNode, modifierFlags & 32 /* ModifierFlags.Static */); + } + } + }; + for (var _i = 0, infos_1 = infos; _i < infos_1.length; _i++) { + var info = infos_1[_i]; + _loop_15(info); + } + }); + })); + }, + }); + var InfoKind; + (function (InfoKind) { + InfoKind[InfoKind["TypeLikeDeclaration"] = 0] = "TypeLikeDeclaration"; + InfoKind[InfoKind["Enum"] = 1] = "Enum"; + InfoKind[InfoKind["Function"] = 2] = "Function"; + InfoKind[InfoKind["ObjectLiteral"] = 3] = "ObjectLiteral"; + InfoKind[InfoKind["JsxAttributes"] = 4] = "JsxAttributes"; + })(InfoKind || (InfoKind = {})); + function getInfo(sourceFile, tokenPos, errorCode, checker, program) { + // The identifier of the missing property. eg: + // this.missing = 1; + // ^^^^^^^ + var token = ts.getTokenAtPosition(sourceFile, tokenPos); + var parent = token.parent; + if (errorCode === ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code) { + if (!(token.kind === 18 /* SyntaxKind.OpenBraceToken */ && ts.isObjectLiteralExpression(parent) && ts.isCallExpression(parent.parent))) + return undefined; + var argIndex = ts.findIndex(parent.parent.arguments, function (arg) { return arg === parent; }); + if (argIndex < 0) + return undefined; + var signature = ts.singleOrUndefined(checker.getSignaturesOfType(checker.getTypeAtLocation(parent.parent.expression), 0 /* SignatureKind.Call */)); + if (!(signature && signature.declaration && signature.parameters[argIndex])) + return undefined; + var param = signature.parameters[argIndex].valueDeclaration; + if (!(param && ts.isParameter(param) && ts.isIdentifier(param.name))) + return undefined; + var properties = ts.arrayFrom(checker.getUnmatchedProperties(checker.getTypeAtLocation(parent), checker.getParameterType(signature, argIndex), /* requireOptionalProperties */ false, /* matchDiscriminantProperties */ false)); + if (!ts.length(properties)) + return undefined; + return { kind: 3 /* InfoKind.ObjectLiteral */, token: param.name, properties: properties, parentDeclaration: parent }; + } + if (!ts.isMemberName(token)) + return undefined; + if (ts.isIdentifier(token) && ts.hasInitializer(parent) && parent.initializer && ts.isObjectLiteralExpression(parent.initializer)) { + var properties = ts.arrayFrom(checker.getUnmatchedProperties(checker.getTypeAtLocation(parent.initializer), checker.getTypeAtLocation(token), /* requireOptionalProperties */ false, /* matchDiscriminantProperties */ false)); + if (!ts.length(properties)) + return undefined; + return { kind: 3 /* InfoKind.ObjectLiteral */, token: token, properties: properties, parentDeclaration: parent.initializer }; + } + if (ts.isIdentifier(token) && ts.isJsxOpeningLikeElement(token.parent)) { + var target = ts.getEmitScriptTarget(program.getCompilerOptions()); + var attributes = getUnmatchedAttributes(checker, target, token.parent); + if (!ts.length(attributes)) + return undefined; + return { kind: 4 /* InfoKind.JsxAttributes */, token: token, attributes: attributes, parentDeclaration: token.parent }; + } + if (ts.isIdentifier(token) && ts.isCallExpression(parent)) { + return { kind: 2 /* InfoKind.Function */, token: token, call: parent, sourceFile: sourceFile, modifierFlags: 0 /* ModifierFlags.None */, parentDeclaration: sourceFile }; + } + if (!ts.isPropertyAccessExpression(parent)) + return undefined; + var leftExpressionType = ts.skipConstraint(checker.getTypeAtLocation(parent.expression)); + var symbol = leftExpressionType.symbol; + if (!symbol || !symbol.declarations) + return undefined; + if (ts.isIdentifier(token) && ts.isCallExpression(parent.parent)) { + var moduleDeclaration = ts.find(symbol.declarations, ts.isModuleDeclaration); + var moduleDeclarationSourceFile = moduleDeclaration === null || moduleDeclaration === void 0 ? void 0 : moduleDeclaration.getSourceFile(); + if (moduleDeclaration && moduleDeclarationSourceFile && !isSourceFileFromLibrary(program, moduleDeclarationSourceFile)) { + return { kind: 2 /* InfoKind.Function */, token: token, call: parent.parent, sourceFile: sourceFile, modifierFlags: 1 /* ModifierFlags.Export */, parentDeclaration: moduleDeclaration }; + } + var moduleSourceFile = ts.find(symbol.declarations, ts.isSourceFile); + if (sourceFile.commonJsModuleIndicator) + return undefined; + if (moduleSourceFile && !isSourceFileFromLibrary(program, moduleSourceFile)) { + return { kind: 2 /* InfoKind.Function */, token: token, call: parent.parent, sourceFile: moduleSourceFile, modifierFlags: 1 /* ModifierFlags.Export */, parentDeclaration: moduleSourceFile }; + } + } + var classDeclaration = ts.find(symbol.declarations, ts.isClassLike); + // Don't suggest adding private identifiers to anything other than a class. + if (!classDeclaration && ts.isPrivateIdentifier(token)) + return undefined; + // Prefer to change the class instead of the interface if they are merged + var declaration = classDeclaration || ts.find(symbol.declarations, function (d) { return ts.isInterfaceDeclaration(d) || ts.isTypeLiteralNode(d); }); + if (declaration && !isSourceFileFromLibrary(program, declaration.getSourceFile())) { + var makeStatic = !ts.isTypeLiteralNode(declaration) && (leftExpressionType.target || leftExpressionType) !== checker.getDeclaredTypeOfSymbol(symbol); + if (makeStatic && (ts.isPrivateIdentifier(token) || ts.isInterfaceDeclaration(declaration))) + return undefined; + var declSourceFile = declaration.getSourceFile(); + var modifierFlags = ts.isTypeLiteralNode(declaration) ? 0 /* ModifierFlags.None */ : + (makeStatic ? 32 /* ModifierFlags.Static */ : 0 /* ModifierFlags.None */) | (ts.startsWithUnderscore(token.text) ? 8 /* ModifierFlags.Private */ : 0 /* ModifierFlags.None */); + var isJSFile = ts.isSourceFileJS(declSourceFile); + var call = ts.tryCast(parent.parent, ts.isCallExpression); + return { kind: 0 /* InfoKind.TypeLikeDeclaration */, token: token, call: call, modifierFlags: modifierFlags, parentDeclaration: declaration, declSourceFile: declSourceFile, isJSFile: isJSFile }; + } + var enumDeclaration = ts.find(symbol.declarations, ts.isEnumDeclaration); + if (enumDeclaration && !ts.isPrivateIdentifier(token) && !isSourceFileFromLibrary(program, enumDeclaration.getSourceFile())) { + return { kind: 1 /* InfoKind.Enum */, token: token, parentDeclaration: enumDeclaration }; + } + return undefined; + } + function isSourceFileFromLibrary(program, node) { + return program.isSourceFileFromExternalLibrary(node) || program.isSourceFileDefaultLibrary(node); + } + function getActionsForMissingMemberDeclaration(context, info) { + return info.isJSFile ? ts.singleElementArray(createActionForAddMissingMemberInJavascriptFile(context, info)) : + createActionsForAddMissingMemberInTypeScriptFile(context, info); + } + function createActionForAddMissingMemberInJavascriptFile(context, _a) { + var parentDeclaration = _a.parentDeclaration, declSourceFile = _a.declSourceFile, modifierFlags = _a.modifierFlags, token = _a.token; + if (ts.isInterfaceDeclaration(parentDeclaration) || ts.isTypeLiteralNode(parentDeclaration)) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMissingMemberInJs(t, declSourceFile, parentDeclaration, token, !!(modifierFlags & 32 /* ModifierFlags.Static */)); }); + if (changes.length === 0) { + return undefined; + } + var diagnostic = modifierFlags & 32 /* ModifierFlags.Static */ ? ts.Diagnostics.Initialize_static_property_0 : + ts.isPrivateIdentifier(token) ? ts.Diagnostics.Declare_a_private_field_named_0 : ts.Diagnostics.Initialize_property_0_in_the_constructor; + return codefix.createCodeFixAction(fixMissingMember, changes, [diagnostic, token.text], fixMissingMember, ts.Diagnostics.Add_all_missing_members); + } + function addMissingMemberInJs(changeTracker, sourceFile, classDeclaration, token, makeStatic) { + var tokenName = token.text; + if (makeStatic) { + if (classDeclaration.kind === 226 /* SyntaxKind.ClassExpression */) { + return; + } + var className = classDeclaration.name.getText(); + var staticInitialization = initializePropertyToUndefined(ts.factory.createIdentifier(className), tokenName); + changeTracker.insertNodeAfter(sourceFile, classDeclaration, staticInitialization); + } + else if (ts.isPrivateIdentifier(token)) { + var property = ts.factory.createPropertyDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, tokenName, + /*questionToken*/ undefined, + /*type*/ undefined, + /*initializer*/ undefined); + var lastProp = getNodeToInsertPropertyAfter(classDeclaration); + if (lastProp) { + changeTracker.insertNodeAfter(sourceFile, lastProp, property); + } + else { + changeTracker.insertMemberAtStart(sourceFile, classDeclaration, property); + } + } + else { + var classConstructor = ts.getFirstConstructorWithBody(classDeclaration); + if (!classConstructor) { + return; + } + var propertyInitialization = initializePropertyToUndefined(ts.factory.createThis(), tokenName); + changeTracker.insertNodeAtConstructorEnd(sourceFile, classConstructor, propertyInitialization); + } + } + function initializePropertyToUndefined(obj, propertyName) { + return ts.factory.createExpressionStatement(ts.factory.createAssignment(ts.factory.createPropertyAccessExpression(obj, propertyName), createUndefined())); + } + function createActionsForAddMissingMemberInTypeScriptFile(context, _a) { + var parentDeclaration = _a.parentDeclaration, declSourceFile = _a.declSourceFile, modifierFlags = _a.modifierFlags, token = _a.token; + var memberName = token.text; + var isStatic = modifierFlags & 32 /* ModifierFlags.Static */; + var typeNode = getTypeNode(context.program.getTypeChecker(), parentDeclaration, token); + var addPropertyDeclarationChanges = function (modifierFlags) { return ts.textChanges.ChangeTracker.with(context, function (t) { return addPropertyDeclaration(t, declSourceFile, parentDeclaration, memberName, typeNode, modifierFlags); }); }; + var actions = [codefix.createCodeFixAction(fixMissingMember, addPropertyDeclarationChanges(modifierFlags & 32 /* ModifierFlags.Static */), [isStatic ? ts.Diagnostics.Declare_static_property_0 : ts.Diagnostics.Declare_property_0, memberName], fixMissingMember, ts.Diagnostics.Add_all_missing_members)]; + if (isStatic || ts.isPrivateIdentifier(token)) { + return actions; + } + if (modifierFlags & 8 /* ModifierFlags.Private */) { + actions.unshift(codefix.createCodeFixActionWithoutFixAll(fixMissingMember, addPropertyDeclarationChanges(8 /* ModifierFlags.Private */), [ts.Diagnostics.Declare_private_property_0, memberName])); + } + actions.push(createAddIndexSignatureAction(context, declSourceFile, parentDeclaration, token.text, typeNode)); + return actions; + } + function getTypeNode(checker, node, token) { + var typeNode; + if (token.parent.parent.kind === 221 /* SyntaxKind.BinaryExpression */) { + var binaryExpression = token.parent.parent; + var otherExpression = token.parent === binaryExpression.left ? binaryExpression.right : binaryExpression.left; + var widenedType = checker.getWidenedType(checker.getBaseTypeOfLiteralType(checker.getTypeAtLocation(otherExpression))); + typeNode = checker.typeToTypeNode(widenedType, node, 1 /* NodeBuilderFlags.NoTruncation */); + } + else { + var contextualType = checker.getContextualType(token.parent); + typeNode = contextualType ? checker.typeToTypeNode(contextualType, /*enclosingDeclaration*/ undefined, 1 /* NodeBuilderFlags.NoTruncation */) : undefined; + } + return typeNode || ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */); + } + function addPropertyDeclaration(changeTracker, sourceFile, node, tokenName, typeNode, modifierFlags) { + var modifiers = modifierFlags ? ts.factory.createNodeArray(ts.factory.createModifiersFromModifierFlags(modifierFlags)) : undefined; + var property = ts.isClassLike(node) + ? ts.factory.createPropertyDeclaration(/*decorators*/ undefined, modifiers, tokenName, /*questionToken*/ undefined, typeNode, /*initializer*/ undefined) + : ts.factory.createPropertySignature(/*modifiers*/ undefined, tokenName, /*questionToken*/ undefined, typeNode); + var lastProp = getNodeToInsertPropertyAfter(node); + if (lastProp) { + changeTracker.insertNodeAfter(sourceFile, lastProp, property); + } + else { + changeTracker.insertMemberAtStart(sourceFile, node, property); + } + } + // Gets the last of the first run of PropertyDeclarations, or undefined if the class does not start with a PropertyDeclaration. + function getNodeToInsertPropertyAfter(node) { + var res; + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!ts.isPropertyDeclaration(member)) + break; + res = member; + } + return res; + } + function createAddIndexSignatureAction(context, sourceFile, node, tokenName, typeNode) { + // Index signatures cannot have the static modifier. + var stringTypeNode = ts.factory.createKeywordTypeNode(150 /* SyntaxKind.StringKeyword */); + var indexingParameter = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, "x", + /*questionToken*/ undefined, stringTypeNode, + /*initializer*/ undefined); + var indexSignature = ts.factory.createIndexSignature( + /*decorators*/ undefined, + /*modifiers*/ undefined, [indexingParameter], typeNode); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.insertMemberAtStart(sourceFile, node, indexSignature); }); + // No fixId here because code-fix-all currently only works on adding individual named properties. + return codefix.createCodeFixActionWithoutFixAll(fixMissingMember, changes, [ts.Diagnostics.Add_index_signature_for_property_0, tokenName]); + } + function getActionsForMissingMethodDeclaration(context, info) { + var parentDeclaration = info.parentDeclaration, declSourceFile = info.declSourceFile, modifierFlags = info.modifierFlags, token = info.token, call = info.call; + if (call === undefined) { + return undefined; + } + // Private methods are not implemented yet. + if (ts.isPrivateIdentifier(token)) { + return undefined; + } + var methodName = token.text; + var addMethodDeclarationChanges = function (modifierFlags) { return ts.textChanges.ChangeTracker.with(context, function (t) { return addMethodDeclaration(context, t, call, token, modifierFlags, parentDeclaration, declSourceFile); }); }; + var actions = [codefix.createCodeFixAction(fixMissingMember, addMethodDeclarationChanges(modifierFlags & 32 /* ModifierFlags.Static */), [modifierFlags & 32 /* ModifierFlags.Static */ ? ts.Diagnostics.Declare_static_method_0 : ts.Diagnostics.Declare_method_0, methodName], fixMissingMember, ts.Diagnostics.Add_all_missing_members)]; + if (modifierFlags & 8 /* ModifierFlags.Private */) { + actions.unshift(codefix.createCodeFixActionWithoutFixAll(fixMissingMember, addMethodDeclarationChanges(8 /* ModifierFlags.Private */), [ts.Diagnostics.Declare_private_method_0, methodName])); + } + return actions; + } + function addMethodDeclaration(context, changes, callExpression, name, modifierFlags, parentDeclaration, sourceFile) { + var importAdder = codefix.createImportAdder(sourceFile, context.program, context.preferences, context.host); + var kind = ts.isClassLike(parentDeclaration) ? 169 /* SyntaxKind.MethodDeclaration */ : 168 /* SyntaxKind.MethodSignature */; + var signatureDeclaration = codefix.createSignatureDeclarationFromCallExpression(kind, context, importAdder, callExpression, name, modifierFlags, parentDeclaration); + var containingMethodDeclaration = tryGetContainingMethodDeclaration(parentDeclaration, callExpression); + if (containingMethodDeclaration) { + changes.insertNodeAfter(sourceFile, containingMethodDeclaration, signatureDeclaration); + } + else { + changes.insertMemberAtStart(sourceFile, parentDeclaration, signatureDeclaration); + } + importAdder.writeFixes(changes); + } + function addEnumMemberDeclaration(changes, checker, _a) { + var token = _a.token, parentDeclaration = _a.parentDeclaration; + /** + * create initializer only literal enum that has string initializer. + * value of initializer is a string literal that equal to name of enum member. + * numeric enum or empty enum will not create initializer. + */ + var hasStringInitializer = ts.some(parentDeclaration.members, function (member) { + var type = checker.getTypeAtLocation(member); + return !!(type && type.flags & 402653316 /* TypeFlags.StringLike */); + }); + var enumMember = ts.factory.createEnumMember(token, hasStringInitializer ? ts.factory.createStringLiteral(token.text) : undefined); + changes.replaceNode(parentDeclaration.getSourceFile(), parentDeclaration, ts.factory.updateEnumDeclaration(parentDeclaration, parentDeclaration.decorators, parentDeclaration.modifiers, parentDeclaration.name, ts.concatenate(parentDeclaration.members, ts.singleElementArray(enumMember))), { + leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll, + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Exclude + }); + } + function addFunctionDeclaration(changes, context, info) { + var importAdder = codefix.createImportAdder(context.sourceFile, context.program, context.preferences, context.host); + var functionDeclaration = codefix.createSignatureDeclarationFromCallExpression(256 /* SyntaxKind.FunctionDeclaration */, context, importAdder, info.call, ts.idText(info.token), info.modifierFlags, info.parentDeclaration); + changes.insertNodeAtEndOfScope(info.sourceFile, info.parentDeclaration, functionDeclaration); + } + function addJsxAttributes(changes, context, info) { + var importAdder = codefix.createImportAdder(context.sourceFile, context.program, context.preferences, context.host); + var quotePreference = ts.getQuotePreference(context.sourceFile, context.preferences); + var checker = context.program.getTypeChecker(); + var jsxAttributesNode = info.parentDeclaration.attributes; + var hasSpreadAttribute = ts.some(jsxAttributesNode.properties, ts.isJsxSpreadAttribute); + var attrs = ts.map(info.attributes, function (attr) { + var value = tryGetValueFromType(context, checker, importAdder, quotePreference, checker.getTypeOfSymbol(attr)); + var name = ts.factory.createIdentifier(attr.name); + var jsxAttribute = ts.factory.createJsxAttribute(name, ts.factory.createJsxExpression(/*dotDotDotToken*/ undefined, value)); + // formattingScanner requires the Identifier to have a context for scanning attributes with "-" (data-foo). + ts.setParent(name, jsxAttribute); + return jsxAttribute; + }); + var jsxAttributes = ts.factory.createJsxAttributes(hasSpreadAttribute ? __spreadArray(__spreadArray([], attrs, true), jsxAttributesNode.properties, true) : __spreadArray(__spreadArray([], jsxAttributesNode.properties, true), attrs, true)); + var options = { prefix: jsxAttributesNode.pos === jsxAttributesNode.end ? " " : undefined }; + changes.replaceNode(context.sourceFile, jsxAttributesNode, jsxAttributes, options); + } + function addObjectLiteralProperties(changes, context, info) { + var importAdder = codefix.createImportAdder(context.sourceFile, context.program, context.preferences, context.host); + var quotePreference = ts.getQuotePreference(context.sourceFile, context.preferences); + var target = ts.getEmitScriptTarget(context.program.getCompilerOptions()); + var checker = context.program.getTypeChecker(); + var props = ts.map(info.properties, function (prop) { + var initializer = tryGetValueFromType(context, checker, importAdder, quotePreference, checker.getTypeOfSymbol(prop)); + return ts.factory.createPropertyAssignment(ts.createPropertyNameNodeForIdentifierOrLiteral(prop.name, target, quotePreference === 0 /* QuotePreference.Single */), initializer); + }); + var options = { + leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude, + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Exclude, + indentation: info.indentation + }; + changes.replaceNode(context.sourceFile, info.parentDeclaration, ts.factory.createObjectLiteralExpression(__spreadArray(__spreadArray([], info.parentDeclaration.properties, true), props, true), /*multiLine*/ true), options); + } + function tryGetValueFromType(context, checker, importAdder, quotePreference, type) { + if (type.flags & 3 /* TypeFlags.AnyOrUnknown */) { + return createUndefined(); + } + if (type.flags & (4 /* TypeFlags.String */ | 134217728 /* TypeFlags.TemplateLiteral */)) { + return ts.factory.createStringLiteral("", /* isSingleQuote */ quotePreference === 0 /* QuotePreference.Single */); + } + if (type.flags & 8 /* TypeFlags.Number */) { + return ts.factory.createNumericLiteral(0); + } + if (type.flags & 64 /* TypeFlags.BigInt */) { + return ts.factory.createBigIntLiteral("0n"); + } + if (type.flags & 16 /* TypeFlags.Boolean */) { + return ts.factory.createFalse(); + } + if (type.flags & 1056 /* TypeFlags.EnumLike */) { + var enumMember = type.symbol.exports ? ts.firstOrUndefined(ts.arrayFrom(type.symbol.exports.values())) : type.symbol; + var name = checker.symbolToExpression(type.symbol.parent ? type.symbol.parent : type.symbol, 111551 /* SymbolFlags.Value */, /*enclosingDeclaration*/ undefined, /*flags*/ undefined); + return enumMember === undefined || name === undefined ? ts.factory.createNumericLiteral(0) : ts.factory.createPropertyAccessExpression(name, checker.symbolToString(enumMember)); + } + if (type.flags & 256 /* TypeFlags.NumberLiteral */) { + return ts.factory.createNumericLiteral(type.value); + } + if (type.flags & 2048 /* TypeFlags.BigIntLiteral */) { + return ts.factory.createBigIntLiteral(type.value); + } + if (type.flags & 128 /* TypeFlags.StringLiteral */) { + return ts.factory.createStringLiteral(type.value, /* isSingleQuote */ quotePreference === 0 /* QuotePreference.Single */); + } + if (type.flags & 512 /* TypeFlags.BooleanLiteral */) { + return (type === checker.getFalseType() || type === checker.getFalseType(/*fresh*/ true)) ? ts.factory.createFalse() : ts.factory.createTrue(); + } + if (type.flags & 65536 /* TypeFlags.Null */) { + return ts.factory.createNull(); + } + if (type.flags & 1048576 /* TypeFlags.Union */) { + var expression = ts.firstDefined(type.types, function (t) { return tryGetValueFromType(context, checker, importAdder, quotePreference, t); }); + return expression !== null && expression !== void 0 ? expression : createUndefined(); + } + if (checker.isArrayLikeType(type)) { + return ts.factory.createArrayLiteralExpression(); + } + if (isObjectLiteralType(type)) { + var props = ts.map(checker.getPropertiesOfType(type), function (prop) { + var initializer = prop.valueDeclaration ? tryGetValueFromType(context, checker, importAdder, quotePreference, checker.getTypeAtLocation(prop.valueDeclaration)) : createUndefined(); + return ts.factory.createPropertyAssignment(prop.name, initializer); + }); + return ts.factory.createObjectLiteralExpression(props, /*multiLine*/ true); + } + if (ts.getObjectFlags(type) & 16 /* ObjectFlags.Anonymous */) { + var decl = ts.find(type.symbol.declarations || ts.emptyArray, ts.or(ts.isFunctionTypeNode, ts.isMethodSignature, ts.isMethodDeclaration)); + if (decl === undefined) + return createUndefined(); + var signature = checker.getSignaturesOfType(type, 0 /* SignatureKind.Call */); + if (signature === undefined) + return createUndefined(); + var func = codefix.createSignatureDeclarationFromSignature(213 /* SyntaxKind.FunctionExpression */, context, quotePreference, signature[0], codefix.createStubbedBody(ts.Diagnostics.Function_not_implemented.message, quotePreference), /*name*/ undefined, /*modifiers*/ undefined, /*optional*/ undefined, /*enclosingDeclaration*/ undefined, importAdder); + return func !== null && func !== void 0 ? func : createUndefined(); + } + if (ts.getObjectFlags(type) & 1 /* ObjectFlags.Class */) { + var classDeclaration = ts.getClassLikeDeclarationOfSymbol(type.symbol); + if (classDeclaration === undefined || ts.hasAbstractModifier(classDeclaration)) + return createUndefined(); + var constructorDeclaration = ts.getFirstConstructorWithBody(classDeclaration); + if (constructorDeclaration && ts.length(constructorDeclaration.parameters)) + return createUndefined(); + return ts.factory.createNewExpression(ts.factory.createIdentifier(type.symbol.name), /*typeArguments*/ undefined, /*argumentsArray*/ undefined); + } + return createUndefined(); + } + function createUndefined() { + return ts.factory.createIdentifier("undefined"); + } + function isObjectLiteralType(type) { + return (type.flags & 524288 /* TypeFlags.Object */) && + ((ts.getObjectFlags(type) & 128 /* ObjectFlags.ObjectLiteral */) || (type.symbol && ts.tryCast(ts.singleOrUndefined(type.symbol.declarations), ts.isTypeLiteralNode))); + } + function getUnmatchedAttributes(checker, target, source) { + var attrsType = checker.getContextualType(source.attributes); + if (attrsType === undefined) + return ts.emptyArray; + var targetProps = attrsType.getProperties(); + if (!ts.length(targetProps)) + return ts.emptyArray; + var seenNames = new ts.Set(); + for (var _i = 0, _a = source.attributes.properties; _i < _a.length; _i++) { + var sourceProp = _a[_i]; + if (ts.isJsxAttribute(sourceProp)) { + seenNames.add(sourceProp.name.escapedText); + } + if (ts.isJsxSpreadAttribute(sourceProp)) { + var type = checker.getTypeAtLocation(sourceProp.expression); + for (var _b = 0, _c = type.getProperties(); _b < _c.length; _b++) { + var prop = _c[_b]; + seenNames.add(prop.escapedName); + } + } + } + return ts.filter(targetProps, function (targetProp) { + return ts.isIdentifierText(targetProp.name, target, 1 /* LanguageVariant.JSX */) && !((targetProp.flags & 16777216 /* SymbolFlags.Optional */ || ts.getCheckFlags(targetProp) & 48 /* CheckFlags.Partial */) || seenNames.has(targetProp.escapedName)); + }); + } + function tryGetContainingMethodDeclaration(node, callExpression) { + if (ts.isTypeLiteralNode(node)) { + return undefined; + } + var declaration = ts.findAncestor(callExpression, function (n) { return ts.isMethodDeclaration(n) || ts.isConstructorDeclaration(n); }); + return declaration && declaration.parent === node ? declaration : undefined; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "addMissingNewOperator"; + var errorCodes = [ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMissingNewOperator(t, sourceFile, span); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_new_operator_to_call, fixId, ts.Diagnostics.Add_missing_new_operator_to_all_calls)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + return addMissingNewOperator(changes, context.sourceFile, diag); + }); }, + }); + function addMissingNewOperator(changes, sourceFile, span) { + var call = ts.cast(findAncestorMatchingSpan(sourceFile, span), ts.isCallExpression); + var newExpression = ts.factory.createNewExpression(call.expression, call.typeArguments, call.arguments); + changes.replaceNode(sourceFile, call, newExpression); + } + function findAncestorMatchingSpan(sourceFile, span) { + var token = ts.getTokenAtPosition(sourceFile, span.start); + var end = ts.textSpanEnd(span); + while (token.end < end) { + token = token.parent; + } + return token; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixName = "fixCannotFindModule"; + var fixIdInstallTypesPackage = "installTypesPackage"; + var errorCodeCannotFindModule = ts.Diagnostics.Cannot_find_module_0_or_its_corresponding_type_declarations.code; + var errorCodes = [ + errorCodeCannotFindModule, + ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixNotFoundModule(context) { + var host = context.host, sourceFile = context.sourceFile, start = context.span.start; + var packageName = tryGetImportedPackageName(sourceFile, start); + if (packageName === undefined) + return undefined; + var typesPackageName = getTypesPackageNameToInstall(packageName, host, context.errorCode); + return typesPackageName === undefined + ? [] + : [codefix.createCodeFixAction(fixName, /*changes*/ [], [ts.Diagnostics.Install_0, typesPackageName], fixIdInstallTypesPackage, ts.Diagnostics.Install_all_missing_types_packages, getInstallCommand(sourceFile.fileName, typesPackageName))]; + }, + fixIds: [fixIdInstallTypesPackage], + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (_changes, diag, commands) { + var packageName = tryGetImportedPackageName(diag.file, diag.start); + if (packageName === undefined) + return undefined; + switch (context.fixId) { + case fixIdInstallTypesPackage: { + var pkg = getTypesPackageNameToInstall(packageName, context.host, diag.code); + if (pkg) { + commands.push(getInstallCommand(diag.file.fileName, pkg)); + } + break; + } + default: + ts.Debug.fail("Bad fixId: ".concat(context.fixId)); + } + }); + }, + }); + function getInstallCommand(fileName, packageName) { + return { type: "install package", file: fileName, packageName: packageName }; + } + function tryGetImportedPackageName(sourceFile, pos) { + var moduleSpecifierText = ts.tryCast(ts.getTokenAtPosition(sourceFile, pos), ts.isStringLiteral); + if (!moduleSpecifierText) + return undefined; + var moduleName = moduleSpecifierText.text; + var packageName = ts.parsePackageName(moduleName).packageName; + return ts.isExternalModuleNameRelative(packageName) ? undefined : packageName; + } + function getTypesPackageNameToInstall(packageName, host, diagCode) { + var _a; + return diagCode === errorCodeCannotFindModule + ? (ts.JsTyping.nodeCoreModules.has(packageName) ? "@types/node" : undefined) + : (((_a = host.isKnownTypesPackageName) === null || _a === void 0 ? void 0 : _a.call(host, packageName)) ? ts.getTypesPackageName(packageName) : undefined); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodes = [ + ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2.code, + ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1.code, + ]; + var fixId = "fixClassDoesntImplementInheritedAbstractMember"; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixClassNotImplementingInheritedMembers(context) { + var sourceFile = context.sourceFile, span = context.span; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { + return addMissingMembers(getClass(sourceFile, span.start), sourceFile, context, t, context.preferences); + }); + return changes.length === 0 ? undefined : [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Implement_inherited_abstract_class, fixId, ts.Diagnostics.Implement_all_inherited_abstract_classes)]; + }, + fixIds: [fixId], + getAllCodeActions: function getAllCodeActionsToFixClassDoesntImplementInheritedAbstractMember(context) { + var seenClassDeclarations = new ts.Map(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var classDeclaration = getClass(diag.file, diag.start); + if (ts.addToSeen(seenClassDeclarations, ts.getNodeId(classDeclaration))) { + addMissingMembers(classDeclaration, context.sourceFile, context, changes, context.preferences); + } + }); + }, + }); + function getClass(sourceFile, pos) { + // Token is the identifier in the case of a class declaration + // or the class keyword token in the case of a class expression. + var token = ts.getTokenAtPosition(sourceFile, pos); + return ts.cast(token.parent, ts.isClassLike); + } + function addMissingMembers(classDeclaration, sourceFile, context, changeTracker, preferences) { + var extendsNode = ts.getEffectiveBaseTypeNode(classDeclaration); + var checker = context.program.getTypeChecker(); + var instantiatedExtendsType = checker.getTypeAtLocation(extendsNode); + // Note that this is ultimately derived from a map indexed by symbol names, + // so duplicates cannot occur. + var abstractAndNonPrivateExtendsSymbols = checker.getPropertiesOfType(instantiatedExtendsType).filter(symbolPointsToNonPrivateAndAbstractMember); + var importAdder = codefix.createImportAdder(sourceFile, context.program, preferences, context.host); + codefix.createMissingMemberNodes(classDeclaration, abstractAndNonPrivateExtendsSymbols, sourceFile, context, preferences, importAdder, function (member) { return changeTracker.insertMemberAtStart(sourceFile, classDeclaration, member); }); + importAdder.writeFixes(changeTracker); + } + function symbolPointsToNonPrivateAndAbstractMember(symbol) { + // See `codeFixClassExtendAbstractProtectedProperty.ts` in https://github.com/Microsoft/TypeScript/pull/11547/files + // (now named `codeFixClassExtendAbstractPrivateProperty.ts`) + var flags = ts.getSyntacticModifierFlags(ts.first(symbol.getDeclarations())); + return !(flags & 8 /* ModifierFlags.Private */) && !!(flags & 128 /* ModifierFlags.Abstract */); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "classSuperMustPrecedeThisAccess"; + var errorCodes = [ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var nodes = getNodes(sourceFile, span.start); + if (!nodes) + return undefined; + var constructor = nodes.constructor, superCall = nodes.superCall; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, constructor, superCall); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Make_super_call_the_first_statement_in_the_constructor, fixId, ts.Diagnostics.Make_all_super_calls_the_first_statement_in_their_constructor)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + var sourceFile = context.sourceFile; + var seenClasses = new ts.Map(); // Ensure we only do this once per class. + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var nodes = getNodes(diag.file, diag.start); + if (!nodes) + return; + var constructor = nodes.constructor, superCall = nodes.superCall; + if (ts.addToSeen(seenClasses, ts.getNodeId(constructor.parent))) { + doChange(changes, sourceFile, constructor, superCall); + } + }); + }, + }); + function doChange(changes, sourceFile, constructor, superCall) { + changes.insertNodeAtConstructorStart(sourceFile, constructor, superCall); + changes.delete(sourceFile, superCall); + } + function getNodes(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + if (token.kind !== 108 /* SyntaxKind.ThisKeyword */) + return undefined; + var constructor = ts.getContainingFunction(token); + var superCall = findSuperCall(constructor.body); + // figure out if the `this` access is actually inside the supercall + // i.e. super(this.a), since in that case we won't suggest a fix + return superCall && !superCall.expression.arguments.some(function (arg) { return ts.isPropertyAccessExpression(arg) && arg.expression === token; }) ? { constructor: constructor, superCall: superCall } : undefined; + } + function findSuperCall(n) { + return ts.isExpressionStatement(n) && ts.isSuperCall(n.expression) + ? n + : ts.isFunctionLike(n) + ? undefined + : ts.forEachChild(n, findSuperCall); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "constructorForDerivedNeedSuperCall"; + var errorCodes = [ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var ctr = getNode(sourceFile, span.start); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, ctr); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_super_call, fixId, ts.Diagnostics.Add_all_missing_super_calls)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + return doChange(changes, context.sourceFile, getNode(diag.file, diag.start)); + }); }, + }); + function getNode(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + ts.Debug.assert(ts.isConstructorDeclaration(token.parent), "token should be at the constructor declaration"); + return token.parent; + } + function doChange(changes, sourceFile, ctr) { + var superCall = ts.factory.createExpressionStatement(ts.factory.createCallExpression(ts.factory.createSuper(), /*typeArguments*/ undefined, /*argumentsArray*/ ts.emptyArray)); + changes.insertNodeAtConstructorStart(sourceFile, ctr, superCall); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "enableExperimentalDecorators"; + var errorCodes = [ + ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToEnableExperimentalDecorators(context) { + var configFile = context.program.getCompilerOptions().configFile; + if (configFile === undefined) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (changeTracker) { return doChange(changeTracker, configFile); }); + return [codefix.createCodeFixActionWithoutFixAll(fixId, changes, ts.Diagnostics.Enable_the_experimentalDecorators_option_in_your_configuration_file)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes) { + var configFile = context.program.getCompilerOptions().configFile; + if (configFile === undefined) { + return undefined; + } + doChange(changes, configFile); + }); }, + }); + function doChange(changeTracker, configFile) { + codefix.setJsonCompilerOptionValue(changeTracker, configFile, "experimentalDecorators", ts.factory.createTrue()); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixID = "fixEnableJsxFlag"; + var errorCodes = [ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixEnableJsxFlag(context) { + var configFile = context.program.getCompilerOptions().configFile; + if (configFile === undefined) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (changeTracker) { + return doChange(changeTracker, configFile); + }); + return [ + codefix.createCodeFixActionWithoutFixAll(fixID, changes, ts.Diagnostics.Enable_the_jsx_flag_in_your_configuration_file) + ]; + }, + fixIds: [fixID], + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes) { + var configFile = context.program.getCompilerOptions().configFile; + if (configFile === undefined) { + return undefined; + } + doChange(changes, configFile); + }); + } + }); + function doChange(changeTracker, configFile) { + codefix.setJsonCompilerOptionValue(changeTracker, configFile, "jsx", ts.factory.createStringLiteral("react")); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + codefix.registerCodeFix({ + errorCodes: [ + ts.Diagnostics.Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_node16_or_nodenext_and_the_target_option_is_set_to_es2017_or_higher.code, + ts.Diagnostics.Top_level_for_await_loops_are_only_allowed_when_the_module_option_is_set_to_es2022_esnext_system_node16_or_nodenext_and_the_target_option_is_set_to_es2017_or_higher.code, + ], + getCodeActions: function getCodeActionsToFixModuleAndTarget(context) { + var compilerOptions = context.program.getCompilerOptions(); + var configFile = compilerOptions.configFile; + if (configFile === undefined) { + return undefined; + } + var codeFixes = []; + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var moduleOutOfRange = moduleKind >= ts.ModuleKind.ES2015 && moduleKind < ts.ModuleKind.ESNext; + if (moduleOutOfRange) { + var changes = ts.textChanges.ChangeTracker.with(context, function (changes) { + codefix.setJsonCompilerOptionValue(changes, configFile, "module", ts.factory.createStringLiteral("esnext")); + }); + codeFixes.push(codefix.createCodeFixActionWithoutFixAll("fixModuleOption", changes, [ts.Diagnostics.Set_the_module_option_in_your_configuration_file_to_0, "esnext"])); + } + var target = ts.getEmitScriptTarget(compilerOptions); + var targetOutOfRange = target < 4 /* ScriptTarget.ES2017 */ || target > 99 /* ScriptTarget.ESNext */; + if (targetOutOfRange) { + var changes = ts.textChanges.ChangeTracker.with(context, function (tracker) { + var configObject = ts.getTsConfigObjectLiteralExpression(configFile); + if (!configObject) + return; + var options = [["target", ts.factory.createStringLiteral("es2017")]]; + if (moduleKind === ts.ModuleKind.CommonJS) { + // Ensure we preserve the default module kind (commonjs), as targets >= ES2015 have a default module kind of es2015. + options.push(["module", ts.factory.createStringLiteral("commonjs")]); + } + codefix.setJsonCompilerOptionValues(tracker, configFile, options); + }); + codeFixes.push(codefix.createCodeFixActionWithoutFixAll("fixTargetOption", changes, [ts.Diagnostics.Set_the_target_option_in_your_configuration_file_to_0, "es2017"])); + } + return codeFixes.length ? codeFixes : undefined; + } + }); + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixPropertyAssignment"; + var errorCodes = [ + ts.Diagnostics.Did_you_mean_to_use_a_Colon_An_can_only_follow_a_property_name_when_the_containing_object_literal_is_part_of_a_destructuring_pattern.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixId], + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var property = getProperty(sourceFile, span.start); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, property); }); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Change_0_to_1, "=", ":"], fixId, [ts.Diagnostics.Switch_each_misused_0_to_1, "=", ":"])]; + }, + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, getProperty(diag.file, diag.start)); }); + } + }); + function doChange(changes, sourceFile, node) { + changes.replaceNode(sourceFile, node, ts.factory.createPropertyAssignment(node.name, node.objectAssignmentInitializer)); + } + function getProperty(sourceFile, pos) { + return ts.cast(ts.getTokenAtPosition(sourceFile, pos).parent, ts.isShorthandPropertyAssignment); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "extendsInterfaceBecomesImplements"; + var errorCodes = [ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var nodes = getNodes(sourceFile, context.span.start); + if (!nodes) + return undefined; + var extendsToken = nodes.extendsToken, heritageClauses = nodes.heritageClauses; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChanges(t, sourceFile, extendsToken, heritageClauses); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Change_extends_to_implements, fixId, ts.Diagnostics.Change_all_extended_interfaces_to_implements)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var nodes = getNodes(diag.file, diag.start); + if (nodes) + doChanges(changes, diag.file, nodes.extendsToken, nodes.heritageClauses); + }); }, + }); + function getNodes(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + var heritageClauses = ts.getContainingClass(token).heritageClauses; + var extendsToken = heritageClauses[0].getFirstToken(); + return extendsToken.kind === 94 /* SyntaxKind.ExtendsKeyword */ ? { extendsToken: extendsToken, heritageClauses: heritageClauses } : undefined; + } + function doChanges(changes, sourceFile, extendsToken, heritageClauses) { + changes.replaceNode(sourceFile, extendsToken, ts.factory.createToken(117 /* SyntaxKind.ImplementsKeyword */)); + // If there is already an implements clause, replace the implements keyword with a comma. + if (heritageClauses.length === 2 && + heritageClauses[0].token === 94 /* SyntaxKind.ExtendsKeyword */ && + heritageClauses[1].token === 117 /* SyntaxKind.ImplementsKeyword */) { + var implementsToken = heritageClauses[1].getFirstToken(); + var implementsFullStart = implementsToken.getFullStart(); + changes.replaceRange(sourceFile, { pos: implementsFullStart, end: implementsFullStart }, ts.factory.createToken(27 /* SyntaxKind.CommaToken */)); + // Rough heuristic: delete trailing whitespace after keyword so that it's not excessive. + // (Trailing because leading might be indentation, which is more sensitive.) + var text = sourceFile.text; + var end = implementsToken.end; + while (end < text.length && ts.isWhiteSpaceSingleLine(text.charCodeAt(end))) { + end++; + } + changes.deleteRange(sourceFile, { pos: implementsToken.getStart(), end: end }); + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "forgottenThisPropertyAccess"; + var didYouMeanStaticMemberCode = ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code; + var errorCodes = [ + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code, + ts.Diagnostics.Private_identifiers_are_only_allowed_in_class_bodies_and_may_only_be_used_as_part_of_a_class_member_declaration_property_access_or_on_the_left_hand_side_of_an_in_expression.code, + didYouMeanStaticMemberCode, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var info = getInfo(sourceFile, context.span.start, context.errorCode); + if (!info) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); }); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Add_0_to_unresolved_variable, info.className || "this"], fixId, ts.Diagnostics.Add_qualifier_to_all_unresolved_variables_matching_a_member_name)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start, diag.code); + if (info) + doChange(changes, context.sourceFile, info); + }); }, + }); + function getInfo(sourceFile, pos, diagCode) { + var node = ts.getTokenAtPosition(sourceFile, pos); + if (ts.isIdentifier(node) || ts.isPrivateIdentifier(node)) { + return { node: node, className: diagCode === didYouMeanStaticMemberCode ? ts.getContainingClass(node).name.text : undefined }; + } + } + function doChange(changes, sourceFile, _a) { + var node = _a.node, className = _a.className; + // TODO (https://github.com/Microsoft/TypeScript/issues/21246): use shared helper + ts.suppressLeadingAndTrailingTrivia(node); + changes.replaceNode(sourceFile, node, ts.factory.createPropertyAccessExpression(className ? ts.factory.createIdentifier(className) : ts.factory.createThis(), node)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixIdExpression = "fixInvalidJsxCharacters_expression"; + var fixIdHtmlEntity = "fixInvalidJsxCharacters_htmlEntity"; + var errorCodes = [ + ts.Diagnostics.Unexpected_token_Did_you_mean_or_gt.code, + ts.Diagnostics.Unexpected_token_Did_you_mean_or_rbrace.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixIdExpression, fixIdHtmlEntity], + getCodeActions: function (context) { + var sourceFile = context.sourceFile, preferences = context.preferences, span = context.span; + var changeToExpression = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, preferences, sourceFile, span.start, /* useHtmlEntity */ false); }); + var changeToHtmlEntity = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, preferences, sourceFile, span.start, /* useHtmlEntity */ true); }); + return [ + codefix.createCodeFixAction(fixIdExpression, changeToExpression, ts.Diagnostics.Wrap_invalid_character_in_an_expression_container, fixIdExpression, ts.Diagnostics.Wrap_all_invalid_characters_in_an_expression_container), + codefix.createCodeFixAction(fixIdHtmlEntity, changeToHtmlEntity, ts.Diagnostics.Convert_invalid_character_to_its_html_entity_code, fixIdHtmlEntity, ts.Diagnostics.Convert_all_invalid_characters_to_HTML_entity_code) + ]; + }, + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diagnostic) { return doChange(changes, context.preferences, diagnostic.file, diagnostic.start, context.fixId === fixIdHtmlEntity); }); + } + }); + var htmlEntity = { + ">": ">", + "}": "}", + }; + function isValidCharacter(character) { + return ts.hasProperty(htmlEntity, character); + } + function doChange(changes, preferences, sourceFile, start, useHtmlEntity) { + var character = sourceFile.getText()[start]; + // sanity check + if (!isValidCharacter(character)) { + return; + } + var replacement = useHtmlEntity ? htmlEntity[character] : "{".concat(ts.quote(sourceFile, preferences, character), "}"); + changes.replaceRangeWithText(sourceFile, { pos: start, end: start + 1 }, replacement); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var deleteUnmatchedParameter = "deleteUnmatchedParameter"; + var renameUnmatchedParameter = "renameUnmatchedParameter"; + var errorCodes = [ + ts.Diagnostics.JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name.code, + ]; + codefix.registerCodeFix({ + fixIds: [deleteUnmatchedParameter, renameUnmatchedParameter], + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToFixUnmatchedParameter(context) { + var sourceFile = context.sourceFile, span = context.span; + var actions = []; + var info = getInfo(sourceFile, span.start); + if (info) { + ts.append(actions, getDeleteAction(context, info)); + ts.append(actions, getRenameAction(context, info)); + return actions; + } + return undefined; + }, + getAllCodeActions: function getAllCodeActionsToFixUnmatchedParameter(context) { + var tagsToSignature = new ts.Map(); + return codefix.createCombinedCodeActions(ts.textChanges.ChangeTracker.with(context, function (changes) { + codefix.eachDiagnostic(context, errorCodes, function (_a) { + var file = _a.file, start = _a.start; + var info = getInfo(file, start); + if (info) { + tagsToSignature.set(info.signature, ts.append(tagsToSignature.get(info.signature), info.jsDocParameterTag)); + } + }); + tagsToSignature.forEach(function (tags, signature) { + if (context.fixId === deleteUnmatchedParameter) { + var tagsSet_1 = new ts.Set(tags); + changes.filterJSDocTags(signature.getSourceFile(), signature, function (t) { return !tagsSet_1.has(t); }); + } + }); + })); + } + }); + function getDeleteAction(context, _a) { + var name = _a.name, signature = _a.signature, jsDocParameterTag = _a.jsDocParameterTag; + var changes = ts.textChanges.ChangeTracker.with(context, function (changeTracker) { + return changeTracker.filterJSDocTags(context.sourceFile, signature, function (t) { return t !== jsDocParameterTag; }); + }); + return codefix.createCodeFixAction(deleteUnmatchedParameter, changes, [ts.Diagnostics.Delete_unused_param_tag_0, name.getText(context.sourceFile)], deleteUnmatchedParameter, ts.Diagnostics.Delete_all_unused_param_tags); + } + function getRenameAction(context, _a) { + var name = _a.name, signature = _a.signature, jsDocParameterTag = _a.jsDocParameterTag; + if (!ts.length(signature.parameters)) + return undefined; + var sourceFile = context.sourceFile; + var tags = ts.getJSDocTags(signature); + var names = new ts.Set(); + for (var _i = 0, tags_2 = tags; _i < tags_2.length; _i++) { + var tag = tags_2[_i]; + if (ts.isJSDocParameterTag(tag) && ts.isIdentifier(tag.name)) { + names.add(tag.name.escapedText); + } + } + // @todo - match to all available names instead to the first parameter name + // @see /codeFixRenameUnmatchedParameter3.ts + var parameterName = ts.firstDefined(signature.parameters, function (p) { + return ts.isIdentifier(p.name) && !names.has(p.name.escapedText) ? p.name.getText(sourceFile) : undefined; + }); + if (parameterName === undefined) + return undefined; + var newJSDocParameterTag = ts.factory.updateJSDocParameterTag(jsDocParameterTag, jsDocParameterTag.tagName, ts.factory.createIdentifier(parameterName), jsDocParameterTag.isBracketed, jsDocParameterTag.typeExpression, jsDocParameterTag.isNameFirst, jsDocParameterTag.comment); + var changes = ts.textChanges.ChangeTracker.with(context, function (changeTracker) { + return changeTracker.replaceJSDocComment(sourceFile, signature, ts.map(tags, function (t) { return t === jsDocParameterTag ? newJSDocParameterTag : t; })); + }); + return codefix.createCodeFixActionWithoutFixAll(renameUnmatchedParameter, changes, [ts.Diagnostics.Rename_param_tag_name_0_to_1, name.getText(sourceFile), parameterName]); + } + function getInfo(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + if (token.parent && ts.isJSDocParameterTag(token.parent) && ts.isIdentifier(token.parent.name)) { + var jsDocParameterTag = token.parent; + var signature = ts.getHostSignatureFromJSDoc(jsDocParameterTag); + if (signature) { + return { signature: signature, name: token.parent.name, jsDocParameterTag: jsDocParameterTag }; + } + } + return undefined; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixUnreferenceableDecoratorMetadata"; + var errorCodes = [ts.Diagnostics.A_type_referenced_in_a_decorated_signature_must_be_imported_with_import_type_or_a_namespace_import_when_isolatedModules_and_emitDecoratorMetadata_are_enabled.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var importDeclaration = getImportDeclaration(context.sourceFile, context.program, context.span.start); + if (!importDeclaration) + return; + var namespaceChanges = ts.textChanges.ChangeTracker.with(context, function (t) { return importDeclaration.kind === 270 /* SyntaxKind.ImportSpecifier */ && doNamespaceImportChange(t, context.sourceFile, importDeclaration, context.program); }); + var typeOnlyChanges = ts.textChanges.ChangeTracker.with(context, function (t) { return doTypeOnlyImportChange(t, context.sourceFile, importDeclaration, context.program); }); + var actions; + if (namespaceChanges.length) { + actions = ts.append(actions, codefix.createCodeFixActionWithoutFixAll(fixId, namespaceChanges, ts.Diagnostics.Convert_named_imports_to_namespace_import)); + } + if (typeOnlyChanges.length) { + actions = ts.append(actions, codefix.createCodeFixActionWithoutFixAll(fixId, typeOnlyChanges, ts.Diagnostics.Convert_to_type_only_import)); + } + return actions; + }, + fixIds: [fixId], + }); + function getImportDeclaration(sourceFile, program, start) { + var identifier = ts.tryCast(ts.getTokenAtPosition(sourceFile, start), ts.isIdentifier); + if (!identifier || identifier.parent.kind !== 178 /* SyntaxKind.TypeReference */) + return; + var checker = program.getTypeChecker(); + var symbol = checker.getSymbolAtLocation(identifier); + return ts.find((symbol === null || symbol === void 0 ? void 0 : symbol.declarations) || ts.emptyArray, ts.or(ts.isImportClause, ts.isImportSpecifier, ts.isImportEqualsDeclaration)); + } + // Converts the import declaration of the offending import to a type-only import, + // only if it can be done without affecting other imported names. If the conversion + // cannot be done cleanly, we could offer to *extract* the offending import to a + // new type-only import declaration, but honestly I doubt anyone will ever use this + // codefix at all, so it's probably not worth the lines of code. + function doTypeOnlyImportChange(changes, sourceFile, importDeclaration, program) { + if (importDeclaration.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) { + changes.insertModifierBefore(sourceFile, 152 /* SyntaxKind.TypeKeyword */, importDeclaration.name); + return; + } + var importClause = importDeclaration.kind === 267 /* SyntaxKind.ImportClause */ ? importDeclaration : importDeclaration.parent.parent; + if (importClause.name && importClause.namedBindings) { + // Cannot convert an import with a default import and named bindings to type-only + // (it's a grammar error). + return; + } + var checker = program.getTypeChecker(); + var importsValue = !!ts.forEachImportClauseDeclaration(importClause, function (decl) { + if (ts.skipAlias(decl.symbol, checker).flags & 111551 /* SymbolFlags.Value */) + return true; + }); + if (importsValue) { + // Assume that if someone wrote a non-type-only import that includes some values, + // they intend to use those values in value positions, even if they haven't yet. + // Don't convert it to type-only. + return; + } + changes.insertModifierBefore(sourceFile, 152 /* SyntaxKind.TypeKeyword */, importClause); + } + function doNamespaceImportChange(changes, sourceFile, importDeclaration, program) { + ts.refactor.doChangeNamedToNamespaceOrDefault(sourceFile, program, changes, importDeclaration.parent); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixName = "unusedIdentifier"; + var fixIdPrefix = "unusedIdentifier_prefix"; + var fixIdDelete = "unusedIdentifier_delete"; + var fixIdDeleteImports = "unusedIdentifier_deleteImports"; + var fixIdInfer = "unusedIdentifier_infer"; + var errorCodes = [ + ts.Diagnostics._0_is_declared_but_its_value_is_never_read.code, + ts.Diagnostics._0_is_declared_but_never_used.code, + ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read.code, + ts.Diagnostics.All_imports_in_import_declaration_are_unused.code, + ts.Diagnostics.All_destructured_elements_are_unused.code, + ts.Diagnostics.All_variables_are_unused.code, + ts.Diagnostics.All_type_parameters_are_unused.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var errorCode = context.errorCode, sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken; + var checker = program.getTypeChecker(); + var sourceFiles = program.getSourceFiles(); + var token = ts.getTokenAtPosition(sourceFile, context.span.start); + if (ts.isJSDocTemplateTag(token)) { + return [createDeleteFix(ts.textChanges.ChangeTracker.with(context, function (t) { return t.delete(sourceFile, token); }), ts.Diagnostics.Remove_template_tag)]; + } + if (token.kind === 29 /* SyntaxKind.LessThanToken */) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return deleteTypeParameters(t, sourceFile, token); }); + return [createDeleteFix(changes, ts.Diagnostics.Remove_type_parameters)]; + } + var importDecl = tryGetFullImport(token); + if (importDecl) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.delete(sourceFile, importDecl); }); + return [codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Remove_import_from_0, ts.showModuleSpecifier(importDecl)], fixIdDeleteImports, ts.Diagnostics.Delete_all_unused_imports)]; + } + else if (isImport(token)) { + var deletion = ts.textChanges.ChangeTracker.with(context, function (t) { return tryDeleteDeclaration(sourceFile, token, t, checker, sourceFiles, program, cancellationToken, /*isFixAll*/ false); }); + if (deletion.length) { + return [codefix.createCodeFixAction(fixName, deletion, [ts.Diagnostics.Remove_unused_declaration_for_Colon_0, token.getText(sourceFile)], fixIdDeleteImports, ts.Diagnostics.Delete_all_unused_imports)]; + } + } + if (ts.isObjectBindingPattern(token.parent) || ts.isArrayBindingPattern(token.parent)) { + if (ts.isParameter(token.parent.parent)) { + var elements = token.parent.elements; + var diagnostic = [ + elements.length > 1 ? ts.Diagnostics.Remove_unused_declarations_for_Colon_0 : ts.Diagnostics.Remove_unused_declaration_for_Colon_0, + ts.map(elements, function (e) { return e.getText(sourceFile); }).join(", ") + ]; + return [ + createDeleteFix(ts.textChanges.ChangeTracker.with(context, function (t) { + return deleteDestructuringElements(t, sourceFile, token.parent); + }), diagnostic) + ]; + } + return [ + createDeleteFix(ts.textChanges.ChangeTracker.with(context, function (t) { + return t.delete(sourceFile, token.parent.parent); + }), ts.Diagnostics.Remove_unused_destructuring_declaration) + ]; + } + if (canDeleteEntireVariableStatement(sourceFile, token)) { + return [ + createDeleteFix(ts.textChanges.ChangeTracker.with(context, function (t) { + return deleteEntireVariableStatement(t, sourceFile, token.parent); + }), ts.Diagnostics.Remove_variable_statement) + ]; + } + var result = []; + if (token.kind === 137 /* SyntaxKind.InferKeyword */) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return changeInferToUnknown(t, sourceFile, token); }); + var name = ts.cast(token.parent, ts.isInferTypeNode).typeParameter.name.text; + result.push(codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Replace_infer_0_with_unknown, name], fixIdInfer, ts.Diagnostics.Replace_all_unused_infer_with_unknown)); + } + else { + var deletion = ts.textChanges.ChangeTracker.with(context, function (t) { + return tryDeleteDeclaration(sourceFile, token, t, checker, sourceFiles, program, cancellationToken, /*isFixAll*/ false); + }); + if (deletion.length) { + var name = ts.isComputedPropertyName(token.parent) ? token.parent : token; + result.push(createDeleteFix(deletion, [ts.Diagnostics.Remove_unused_declaration_for_Colon_0, name.getText(sourceFile)])); + } + } + var prefix = ts.textChanges.ChangeTracker.with(context, function (t) { return tryPrefixDeclaration(t, errorCode, sourceFile, token); }); + if (prefix.length) { + result.push(codefix.createCodeFixAction(fixName, prefix, [ts.Diagnostics.Prefix_0_with_an_underscore, token.getText(sourceFile)], fixIdPrefix, ts.Diagnostics.Prefix_all_unused_declarations_with_where_possible)); + } + return result; + }, + fixIds: [fixIdPrefix, fixIdDelete, fixIdDeleteImports, fixIdInfer], + getAllCodeActions: function (context) { + var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken; + var checker = program.getTypeChecker(); + var sourceFiles = program.getSourceFiles(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var token = ts.getTokenAtPosition(sourceFile, diag.start); + switch (context.fixId) { + case fixIdPrefix: + tryPrefixDeclaration(changes, diag.code, sourceFile, token); + break; + case fixIdDeleteImports: { + var importDecl = tryGetFullImport(token); + if (importDecl) { + changes.delete(sourceFile, importDecl); + } + else if (isImport(token)) { + tryDeleteDeclaration(sourceFile, token, changes, checker, sourceFiles, program, cancellationToken, /*isFixAll*/ true); + } + break; + } + case fixIdDelete: { + if (token.kind === 137 /* SyntaxKind.InferKeyword */ || isImport(token)) { + break; // Can't delete + } + else if (ts.isJSDocTemplateTag(token)) { + changes.delete(sourceFile, token); + } + else if (token.kind === 29 /* SyntaxKind.LessThanToken */) { + deleteTypeParameters(changes, sourceFile, token); + } + else if (ts.isObjectBindingPattern(token.parent)) { + if (token.parent.parent.initializer) { + break; + } + else if (!ts.isParameter(token.parent.parent) || isNotProvidedArguments(token.parent.parent, checker, sourceFiles)) { + changes.delete(sourceFile, token.parent.parent); + } + } + else if (ts.isArrayBindingPattern(token.parent.parent) && token.parent.parent.parent.initializer) { + break; + } + else if (canDeleteEntireVariableStatement(sourceFile, token)) { + deleteEntireVariableStatement(changes, sourceFile, token.parent); + } + else { + tryDeleteDeclaration(sourceFile, token, changes, checker, sourceFiles, program, cancellationToken, /*isFixAll*/ true); + } + break; + } + case fixIdInfer: + if (token.kind === 137 /* SyntaxKind.InferKeyword */) { + changeInferToUnknown(changes, sourceFile, token); + } + break; + default: + ts.Debug.fail(JSON.stringify(context.fixId)); + } + }); + }, + }); + function changeInferToUnknown(changes, sourceFile, token) { + changes.replaceNode(sourceFile, token.parent, ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */)); + } + function createDeleteFix(changes, diag) { + return codefix.createCodeFixAction(fixName, changes, diag, fixIdDelete, ts.Diagnostics.Delete_all_unused_declarations); + } + function deleteTypeParameters(changes, sourceFile, token) { + changes.delete(sourceFile, ts.Debug.checkDefined(ts.cast(token.parent, ts.isDeclarationWithTypeParameterChildren).typeParameters, "The type parameter to delete should exist")); + } + function isImport(token) { + return token.kind === 100 /* SyntaxKind.ImportKeyword */ + || token.kind === 79 /* SyntaxKind.Identifier */ && (token.parent.kind === 270 /* SyntaxKind.ImportSpecifier */ || token.parent.kind === 267 /* SyntaxKind.ImportClause */); + } + /** Sometimes the diagnostic span is an entire ImportDeclaration, so we should remove the whole thing. */ + function tryGetFullImport(token) { + return token.kind === 100 /* SyntaxKind.ImportKeyword */ ? ts.tryCast(token.parent, ts.isImportDeclaration) : undefined; + } + function canDeleteEntireVariableStatement(sourceFile, token) { + return ts.isVariableDeclarationList(token.parent) && ts.first(token.parent.getChildren(sourceFile)) === token; + } + function deleteEntireVariableStatement(changes, sourceFile, node) { + changes.delete(sourceFile, node.parent.kind === 237 /* SyntaxKind.VariableStatement */ ? node.parent : node); + } + function deleteDestructuringElements(changes, sourceFile, node) { + ts.forEach(node.elements, function (n) { return changes.delete(sourceFile, n); }); + } + function tryPrefixDeclaration(changes, errorCode, sourceFile, token) { + // Don't offer to prefix a property. + if (errorCode === ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read.code) + return; + if (token.kind === 137 /* SyntaxKind.InferKeyword */) { + token = ts.cast(token.parent, ts.isInferTypeNode).typeParameter.name; + } + if (ts.isIdentifier(token) && canPrefix(token)) { + changes.replaceNode(sourceFile, token, ts.factory.createIdentifier("_".concat(token.text))); + if (ts.isParameter(token.parent)) { + ts.getJSDocParameterTags(token.parent).forEach(function (tag) { + if (ts.isIdentifier(tag.name)) { + changes.replaceNode(sourceFile, tag.name, ts.factory.createIdentifier("_".concat(tag.name.text))); + } + }); + } + } + } + function canPrefix(token) { + switch (token.parent.kind) { + case 164 /* SyntaxKind.Parameter */: + case 163 /* SyntaxKind.TypeParameter */: + return true; + case 254 /* SyntaxKind.VariableDeclaration */: { + var varDecl = token.parent; + switch (varDecl.parent.parent.kind) { + case 244 /* SyntaxKind.ForOfStatement */: + case 243 /* SyntaxKind.ForInStatement */: + return true; + } + } + } + return false; + } + function tryDeleteDeclaration(sourceFile, token, changes, checker, sourceFiles, program, cancellationToken, isFixAll) { + tryDeleteDeclarationWorker(token, changes, sourceFile, checker, sourceFiles, program, cancellationToken, isFixAll); + if (ts.isIdentifier(token)) { + ts.FindAllReferences.Core.eachSymbolReferenceInFile(token, checker, sourceFile, function (ref) { + if (ts.isPropertyAccessExpression(ref.parent) && ref.parent.name === ref) + ref = ref.parent; + if (!isFixAll && mayDeleteExpression(ref)) { + changes.delete(sourceFile, ref.parent.parent); + } + }); + } + } + function tryDeleteDeclarationWorker(token, changes, sourceFile, checker, sourceFiles, program, cancellationToken, isFixAll) { + var parent = token.parent; + if (ts.isParameter(parent)) { + tryDeleteParameter(changes, sourceFile, parent, checker, sourceFiles, program, cancellationToken, isFixAll); + } + else if (!(isFixAll && ts.isIdentifier(token) && ts.FindAllReferences.Core.isSymbolReferencedInFile(token, checker, sourceFile))) { + var node = ts.isImportClause(parent) ? token : ts.isComputedPropertyName(parent) ? parent.parent : parent; + ts.Debug.assert(node !== sourceFile, "should not delete whole source file"); + changes.delete(sourceFile, node); + } + } + function tryDeleteParameter(changes, sourceFile, parameter, checker, sourceFiles, program, cancellationToken, isFixAll) { + if (isFixAll === void 0) { isFixAll = false; } + if (mayDeleteParameter(checker, sourceFile, parameter, sourceFiles, program, cancellationToken, isFixAll)) { + if (parameter.modifiers && parameter.modifiers.length > 0 && + (!ts.isIdentifier(parameter.name) || ts.FindAllReferences.Core.isSymbolReferencedInFile(parameter.name, checker, sourceFile))) { + parameter.modifiers.forEach(function (modifier) { return changes.deleteModifier(sourceFile, modifier); }); + } + else if (!parameter.initializer && isNotProvidedArguments(parameter, checker, sourceFiles)) { + changes.delete(sourceFile, parameter); + } + } + } + function isNotProvidedArguments(parameter, checker, sourceFiles) { + var index = parameter.parent.parameters.indexOf(parameter); + // Just in case the call didn't provide enough arguments. + return !ts.FindAllReferences.Core.someSignatureUsage(parameter.parent, sourceFiles, checker, function (_, call) { return !call || call.arguments.length > index; }); + } + function mayDeleteParameter(checker, sourceFile, parameter, sourceFiles, program, cancellationToken, isFixAll) { + var parent = parameter.parent; + switch (parent.kind) { + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + var index = parent.parameters.indexOf(parameter); + var referent = ts.isMethodDeclaration(parent) ? parent.name : parent; + var entries = ts.FindAllReferences.Core.getReferencedSymbolsForNode(parent.pos, referent, program, sourceFiles, cancellationToken); + if (entries) { + for (var _i = 0, entries_2 = entries; _i < entries_2.length; _i++) { + var entry = entries_2[_i]; + for (var _a = 0, _b = entry.references; _a < _b.length; _a++) { + var reference = _b[_a]; + if (reference.kind === 1 /* FindAllReferences.EntryKind.Node */) { + // argument in super(...) + var isSuperCall_1 = ts.isSuperKeyword(reference.node) + && ts.isCallExpression(reference.node.parent) + && reference.node.parent.arguments.length > index; + // argument in super.m(...) + var isSuperMethodCall = ts.isPropertyAccessExpression(reference.node.parent) + && ts.isSuperKeyword(reference.node.parent.expression) + && ts.isCallExpression(reference.node.parent.parent) + && reference.node.parent.parent.arguments.length > index; + // parameter in overridden or overriding method + var isOverriddenMethod = (ts.isMethodDeclaration(reference.node.parent) || ts.isMethodSignature(reference.node.parent)) + && reference.node.parent !== parameter.parent + && reference.node.parent.parameters.length > index; + if (isSuperCall_1 || isSuperMethodCall || isOverriddenMethod) + return false; + } + } + } + } + return true; + case 256 /* SyntaxKind.FunctionDeclaration */: { + if (parent.name && isCallbackLike(checker, sourceFile, parent.name)) { + return isLastParameter(parent, parameter, isFixAll); + } + return true; + } + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + // Can't remove a non-last parameter in a callback. Can remove a parameter in code-fix-all if future parameters are also unused. + return isLastParameter(parent, parameter, isFixAll); + case 173 /* SyntaxKind.SetAccessor */: + // Setter must have a parameter + return false; + case 172 /* SyntaxKind.GetAccessor */: + // Getter cannot have parameters + return true; + default: + return ts.Debug.failBadSyntaxKind(parent); + } + } + function isCallbackLike(checker, sourceFile, name) { + return !!ts.FindAllReferences.Core.eachSymbolReferenceInFile(name, checker, sourceFile, function (reference) { + return ts.isIdentifier(reference) && ts.isCallExpression(reference.parent) && reference.parent.arguments.indexOf(reference) >= 0; + }); + } + function isLastParameter(func, parameter, isFixAll) { + var parameters = func.parameters; + var index = parameters.indexOf(parameter); + ts.Debug.assert(index !== -1, "The parameter should already be in the list"); + return isFixAll ? + parameters.slice(index + 1).every(function (p) { return ts.isIdentifier(p.name) && !p.symbol.isReferenced; }) : + index === parameters.length - 1; + } + function mayDeleteExpression(node) { + return ((ts.isBinaryExpression(node.parent) && node.parent.left === node) || + ((ts.isPostfixUnaryExpression(node.parent) || ts.isPrefixUnaryExpression(node.parent)) && node.parent.operand === node)) && ts.isExpressionStatement(node.parent.parent); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixUnreachableCode"; + var errorCodes = [ts.Diagnostics.Unreachable_code_detected.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var syntacticDiagnostics = context.program.getSyntacticDiagnostics(context.sourceFile, context.cancellationToken); + if (syntacticDiagnostics.length) + return; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, context.span.start, context.span.length, context.errorCode); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_unreachable_code, fixId, ts.Diagnostics.Remove_all_unreachable_code)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, diag.start, diag.length, diag.code); }); }, + }); + function doChange(changes, sourceFile, start, length, errorCode) { + var token = ts.getTokenAtPosition(sourceFile, start); + var statement = ts.findAncestor(token, ts.isStatement); + if (statement.getStart(sourceFile) !== token.getStart(sourceFile)) { + var logData = JSON.stringify({ + statementKind: ts.Debug.formatSyntaxKind(statement.kind), + tokenKind: ts.Debug.formatSyntaxKind(token.kind), + errorCode: errorCode, + start: start, + length: length + }); + ts.Debug.fail("Token and statement should start at the same point. " + logData); + } + var container = (ts.isBlock(statement.parent) ? statement.parent : statement).parent; + if (!ts.isBlock(statement.parent) || statement === ts.first(statement.parent.statements)) { + switch (container.kind) { + case 239 /* SyntaxKind.IfStatement */: + if (container.elseStatement) { + if (ts.isBlock(statement.parent)) { + break; + } + else { + changes.replaceNode(sourceFile, statement, ts.factory.createBlock(ts.emptyArray)); + } + return; + } + // falls through + case 241 /* SyntaxKind.WhileStatement */: + case 242 /* SyntaxKind.ForStatement */: + changes.delete(sourceFile, container); + return; + } + } + if (ts.isBlock(statement.parent)) { + var end_3 = start + length; + var lastStatement = ts.Debug.checkDefined(lastWhere(ts.sliceAfter(statement.parent.statements, statement), function (s) { return s.pos < end_3; }), "Some statement should be last"); + changes.deleteNodeRange(sourceFile, statement, lastStatement); + } + else { + changes.delete(sourceFile, statement); + } + } + function lastWhere(a, pred) { + var last; + for (var _i = 0, a_1 = a; _i < a_1.length; _i++) { + var value = a_1[_i]; + if (!pred(value)) + break; + last = value; + } + return last; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixUnusedLabel"; + var errorCodes = [ts.Diagnostics.Unused_label.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, context.span.start); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_unused_label, fixId, ts.Diagnostics.Remove_all_unused_labels)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, diag.start); }); }, + }); + function doChange(changes, sourceFile, start) { + var token = ts.getTokenAtPosition(sourceFile, start); + var labeledStatement = ts.cast(token.parent, ts.isLabeledStatement); + var pos = token.getStart(sourceFile); + var statementPos = labeledStatement.statement.getStart(sourceFile); + // If label is on a separate line, just delete the rest of that line, but not the indentation of the labeled statement. + var end = ts.positionsAreOnSameLine(pos, statementPos, sourceFile) ? statementPos + : ts.skipTrivia(sourceFile.text, ts.findChildOfKind(labeledStatement, 58 /* SyntaxKind.ColonToken */, sourceFile).end, /*stopAfterLineBreak*/ true); + changes.deleteRange(sourceFile, { pos: pos, end: end }); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixIdPlain = "fixJSDocTypes_plain"; + var fixIdNullable = "fixJSDocTypes_nullable"; + var errorCodes = [ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var checker = context.program.getTypeChecker(); + var info = getInfo(sourceFile, context.span.start, checker); + if (!info) + return undefined; + var typeNode = info.typeNode, type = info.type; + var original = typeNode.getText(sourceFile); + var actions = [fix(type, fixIdPlain, ts.Diagnostics.Change_all_jsdoc_style_types_to_TypeScript)]; + if (typeNode.kind === 314 /* SyntaxKind.JSDocNullableType */) { + // for nullable types, suggest the flow-compatible `T | null | undefined` + // in addition to the jsdoc/closure-compatible `T | null` + actions.push(fix(checker.getNullableType(type, 32768 /* TypeFlags.Undefined */), fixIdNullable, ts.Diagnostics.Change_all_jsdoc_style_types_to_TypeScript_and_add_undefined_to_nullable_types)); + } + return actions; + function fix(type, fixId, fixAllDescription) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, typeNode, type, checker); }); + return codefix.createCodeFixAction("jdocTypes", changes, [ts.Diagnostics.Change_0_to_1, original, checker.typeToString(type)], fixId, fixAllDescription); + } + }, + fixIds: [fixIdPlain, fixIdNullable], + getAllCodeActions: function (context) { + var fixId = context.fixId, program = context.program, sourceFile = context.sourceFile; + var checker = program.getTypeChecker(); + return codefix.codeFixAll(context, errorCodes, function (changes, err) { + var info = getInfo(err.file, err.start, checker); + if (!info) + return; + var typeNode = info.typeNode, type = info.type; + var fixedType = typeNode.kind === 314 /* SyntaxKind.JSDocNullableType */ && fixId === fixIdNullable ? checker.getNullableType(type, 32768 /* TypeFlags.Undefined */) : type; + doChange(changes, sourceFile, typeNode, fixedType, checker); + }); + } + }); + function doChange(changes, sourceFile, oldTypeNode, newType, checker) { + changes.replaceNode(sourceFile, oldTypeNode, checker.typeToTypeNode(newType, /*enclosingDeclaration*/ oldTypeNode, /*flags*/ undefined)); // TODO: GH#18217 + } + function getInfo(sourceFile, pos, checker) { + var decl = ts.findAncestor(ts.getTokenAtPosition(sourceFile, pos), isTypeContainer); + var typeNode = decl && decl.type; + return typeNode && { typeNode: typeNode, type: checker.getTypeFromTypeNode(typeNode) }; + } + function isTypeContainer(node) { + // NOTE: Some locations are not handled yet: + // MappedTypeNode.typeParameters and SignatureDeclaration.typeParameters, as well as CallExpression.typeArguments + switch (node.kind) { + case 229 /* SyntaxKind.AsExpression */: + case 174 /* SyntaxKind.CallSignature */: + case 175 /* SyntaxKind.ConstructSignature */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 172 /* SyntaxKind.GetAccessor */: + case 176 /* SyntaxKind.IndexSignature */: + case 195 /* SyntaxKind.MappedType */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 164 /* SyntaxKind.Parameter */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + case 173 /* SyntaxKind.SetAccessor */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 211 /* SyntaxKind.TypeAssertionExpression */: + case 254 /* SyntaxKind.VariableDeclaration */: + return true; + default: + return false; + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixMissingCallParentheses"; + var errorCodes = [ + ts.Diagnostics.This_condition_will_always_return_true_since_this_function_is_always_defined_Did_you_mean_to_call_it_instead.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixId], + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var callName = getCallName(sourceFile, span.start); + if (!callName) + return; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, callName); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_call_parentheses, fixId, ts.Diagnostics.Add_all_missing_call_parentheses)]; + }, + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var callName = getCallName(diag.file, diag.start); + if (callName) + doChange(changes, diag.file, callName); + }); } + }); + function doChange(changes, sourceFile, name) { + changes.replaceNodeWithText(sourceFile, name, "".concat(name.text, "()")); + } + function getCallName(sourceFile, start) { + var token = ts.getTokenAtPosition(sourceFile, start); + if (ts.isPropertyAccessExpression(token.parent)) { + var current = token.parent; + while (ts.isPropertyAccessExpression(current.parent)) { + current = current.parent; + } + return current.name; + } + if (ts.isIdentifier(token)) { + return token; + } + return undefined; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixAwaitInSyncFunction"; + var errorCodes = [ + ts.Diagnostics.await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules.code, + ts.Diagnostics.for_await_loops_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules.code, + ts.Diagnostics.Cannot_find_name_0_Did_you_mean_to_write_this_in_an_async_function.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, span = context.span; + var nodes = getNodes(sourceFile, span.start); + if (!nodes) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, nodes); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_async_modifier_to_containing_function, fixId, ts.Diagnostics.Add_all_missing_async_modifiers)]; + }, + fixIds: [fixId], + getAllCodeActions: function getAllCodeActionsToFixAwaitInSyncFunction(context) { + var seen = new ts.Map(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var nodes = getNodes(diag.file, diag.start); + if (!nodes || !ts.addToSeen(seen, ts.getNodeId(nodes.insertBefore))) + return; + doChange(changes, context.sourceFile, nodes); + }); + }, + }); + function getReturnType(expr) { + if (expr.type) { + return expr.type; + } + if (ts.isVariableDeclaration(expr.parent) && + expr.parent.type && + ts.isFunctionTypeNode(expr.parent.type)) { + return expr.parent.type.type; + } + } + function getNodes(sourceFile, start) { + var token = ts.getTokenAtPosition(sourceFile, start); + var containingFunction = ts.getContainingFunction(token); + if (!containingFunction) { + return; + } + var insertBefore; + switch (containingFunction.kind) { + case 169 /* SyntaxKind.MethodDeclaration */: + insertBefore = containingFunction.name; + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + insertBefore = ts.findChildOfKind(containingFunction, 98 /* SyntaxKind.FunctionKeyword */, sourceFile); + break; + case 214 /* SyntaxKind.ArrowFunction */: + var kind = containingFunction.typeParameters ? 29 /* SyntaxKind.LessThanToken */ : 20 /* SyntaxKind.OpenParenToken */; + insertBefore = ts.findChildOfKind(containingFunction, kind, sourceFile) || ts.first(containingFunction.parameters); + break; + default: + return; + } + return insertBefore && { + insertBefore: insertBefore, + returnType: getReturnType(containingFunction) + }; + } + function doChange(changes, sourceFile, _a) { + var insertBefore = _a.insertBefore, returnType = _a.returnType; + if (returnType) { + var entityName = ts.getEntityNameFromTypeNode(returnType); + if (!entityName || entityName.kind !== 79 /* SyntaxKind.Identifier */ || entityName.text !== "Promise") { + changes.replaceNode(sourceFile, returnType, ts.factory.createTypeReferenceNode("Promise", ts.factory.createNodeArray([returnType]))); + } + } + changes.insertModifierBefore(sourceFile, 131 /* SyntaxKind.AsyncKeyword */, insertBefore); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodes = [ + ts.Diagnostics._0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property.code, + ts.Diagnostics._0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor.code, + ]; + var fixId = "fixPropertyOverrideAccessor"; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var edits = doChange(context.sourceFile, context.span.start, context.span.length, context.errorCode, context); + if (edits) { + return [codefix.createCodeFixAction(fixId, edits, ts.Diagnostics.Generate_get_and_set_accessors, fixId, ts.Diagnostics.Generate_get_and_set_accessors_for_all_overriding_properties)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var edits = doChange(diag.file, diag.start, diag.length, diag.code, context); + if (edits) { + for (var _i = 0, edits_2 = edits; _i < edits_2.length; _i++) { + var edit = edits_2[_i]; + changes.pushRaw(context.sourceFile, edit); + } + } + }); }, + }); + function doChange(file, start, length, code, context) { + var startPosition; + var endPosition; + if (code === ts.Diagnostics._0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property.code) { + startPosition = start; + endPosition = start + length; + } + else if (code === ts.Diagnostics._0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor.code) { + var checker = context.program.getTypeChecker(); + var node = ts.getTokenAtPosition(file, start).parent; + ts.Debug.assert(ts.isAccessor(node), "error span of fixPropertyOverrideAccessor should only be on an accessor"); + var containingClass = node.parent; + ts.Debug.assert(ts.isClassLike(containingClass), "erroneous accessors should only be inside classes"); + var base = ts.singleOrUndefined(codefix.getAllSupers(containingClass, checker)); + if (!base) + return []; + var name = ts.unescapeLeadingUnderscores(ts.getTextOfPropertyName(node.name)); + var baseProp = checker.getPropertyOfType(checker.getTypeAtLocation(base), name); + if (!baseProp || !baseProp.valueDeclaration) + return []; + startPosition = baseProp.valueDeclaration.pos; + endPosition = baseProp.valueDeclaration.end; + file = ts.getSourceFileOfNode(baseProp.valueDeclaration); + } + else { + ts.Debug.fail("fixPropertyOverrideAccessor codefix got unexpected error code " + code); + } + return codefix.generateAccessorFromProperty(file, context.program, startPosition, endPosition, context, ts.Diagnostics.Generate_get_and_set_accessors.message); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "inferFromUsage"; + var errorCodes = [ + // Variable declarations + ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code, + // Variable uses + ts.Diagnostics.Variable_0_implicitly_has_an_1_type.code, + // Parameter declarations + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code, + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code, + // Get Accessor declarations + ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation.code, + ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type.code, + // Set Accessor declarations + ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation.code, + // Property declarations + ts.Diagnostics.Member_0_implicitly_has_an_1_type.code, + //// Suggestions + // Variable declarations + ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage.code, + // Variable uses + ts.Diagnostics.Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code, + // Parameter declarations + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code, + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage.code, + // Get Accessor declarations + ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage.code, + ts.Diagnostics._0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage.code, + // Set Accessor declarations + ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage.code, + // Property declarations + ts.Diagnostics.Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code, + // Function expressions and declarations + ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, program = context.program, start = context.span.start, errorCode = context.errorCode, cancellationToken = context.cancellationToken, host = context.host, preferences = context.preferences; + var token = ts.getTokenAtPosition(sourceFile, start); + var declaration; + var changes = ts.textChanges.ChangeTracker.with(context, function (changes) { + declaration = doChange(changes, sourceFile, token, errorCode, program, cancellationToken, /*markSeen*/ ts.returnTrue, host, preferences); + }); + var name = declaration && ts.getNameOfDeclaration(declaration); + return !name || changes.length === 0 ? undefined + : [codefix.createCodeFixAction(fixId, changes, [getDiagnostic(errorCode, token), ts.getTextOfNode(name)], fixId, ts.Diagnostics.Infer_all_types_from_usage)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken, host = context.host, preferences = context.preferences; + var markSeen = ts.nodeSeenTracker(); + return codefix.codeFixAll(context, errorCodes, function (changes, err) { + doChange(changes, sourceFile, ts.getTokenAtPosition(err.file, err.start), err.code, program, cancellationToken, markSeen, host, preferences); + }); + }, + }); + function getDiagnostic(errorCode, token) { + switch (errorCode) { + case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code: + case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.isSetAccessorDeclaration(ts.getContainingFunction(token)) ? ts.Diagnostics.Infer_type_of_0_from_usage : ts.Diagnostics.Infer_parameter_types_from_usage; // TODO: GH#18217 + case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code: + case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics.Infer_parameter_types_from_usage; + case ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code: + return ts.Diagnostics.Infer_this_type_of_0_from_usage; + default: + return ts.Diagnostics.Infer_type_of_0_from_usage; + } + } + /** Map suggestion code to error code */ + function mapSuggestionDiagnostic(errorCode) { + switch (errorCode) { + case ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code; + case ts.Diagnostics.Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics.Variable_0_implicitly_has_an_1_type.code; + case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code; + case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code; + case ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage.code: + return ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation.code; + case ts.Diagnostics._0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type.code; + case ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage.code: + return ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation.code; + case ts.Diagnostics.Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code: + return ts.Diagnostics.Member_0_implicitly_has_an_1_type.code; + } + return errorCode; + } + function doChange(changes, sourceFile, token, errorCode, program, cancellationToken, markSeen, host, preferences) { + if (!ts.isParameterPropertyModifier(token.kind) && token.kind !== 79 /* SyntaxKind.Identifier */ && token.kind !== 25 /* SyntaxKind.DotDotDotToken */ && token.kind !== 108 /* SyntaxKind.ThisKeyword */) { + return undefined; + } + var parent = token.parent; + var importAdder = codefix.createImportAdder(sourceFile, program, preferences, host); + errorCode = mapSuggestionDiagnostic(errorCode); + switch (errorCode) { + // Variable and Property declarations + case ts.Diagnostics.Member_0_implicitly_has_an_1_type.code: + case ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code: + if ((ts.isVariableDeclaration(parent) && markSeen(parent)) || ts.isPropertyDeclaration(parent) || ts.isPropertySignature(parent)) { // handle bad location + annotateVariableDeclaration(changes, importAdder, sourceFile, parent, program, host, cancellationToken); + importAdder.writeFixes(changes); + return parent; + } + if (ts.isPropertyAccessExpression(parent)) { + var type = inferTypeForVariableFromUsage(parent.name, program, cancellationToken); + var typeNode = ts.getTypeNodeIfAccessible(type, parent, program, host); + if (typeNode) { + // Note that the codefix will never fire with an existing `@type` tag, so there is no need to merge tags + var typeTag = ts.factory.createJSDocTypeTag(/*tagName*/ undefined, ts.factory.createJSDocTypeExpression(typeNode), /*comment*/ undefined); + changes.addJSDocTags(sourceFile, ts.cast(parent.parent.parent, ts.isExpressionStatement), [typeTag]); + } + importAdder.writeFixes(changes); + return parent; + } + return undefined; + case ts.Diagnostics.Variable_0_implicitly_has_an_1_type.code: { + var symbol = program.getTypeChecker().getSymbolAtLocation(token); + if (symbol && symbol.valueDeclaration && ts.isVariableDeclaration(symbol.valueDeclaration) && markSeen(symbol.valueDeclaration)) { + annotateVariableDeclaration(changes, importAdder, ts.getSourceFileOfNode(symbol.valueDeclaration), symbol.valueDeclaration, program, host, cancellationToken); + importAdder.writeFixes(changes); + return symbol.valueDeclaration; + } + return undefined; + } + } + var containingFunction = ts.getContainingFunction(token); + if (containingFunction === undefined) { + return undefined; + } + var declaration; + switch (errorCode) { + // Parameter declarations + case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code: + if (ts.isSetAccessorDeclaration(containingFunction)) { + annotateSetAccessor(changes, importAdder, sourceFile, containingFunction, program, host, cancellationToken); + declaration = containingFunction; + break; + } + // falls through + case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code: + if (markSeen(containingFunction)) { + var param = ts.cast(parent, ts.isParameter); + annotateParameters(changes, importAdder, sourceFile, param, containingFunction, program, host, cancellationToken); + declaration = param; + } + break; + // Get Accessor declarations + case ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation.code: + case ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type.code: + if (ts.isGetAccessorDeclaration(containingFunction) && ts.isIdentifier(containingFunction.name)) { + annotate(changes, importAdder, sourceFile, containingFunction, inferTypeForVariableFromUsage(containingFunction.name, program, cancellationToken), program, host); + declaration = containingFunction; + } + break; + // Set Accessor declarations + case ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation.code: + if (ts.isSetAccessorDeclaration(containingFunction)) { + annotateSetAccessor(changes, importAdder, sourceFile, containingFunction, program, host, cancellationToken); + declaration = containingFunction; + } + break; + // Function 'this' + case ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code: + if (ts.textChanges.isThisTypeAnnotatable(containingFunction) && markSeen(containingFunction)) { + annotateThis(changes, sourceFile, containingFunction, program, host, cancellationToken); + declaration = containingFunction; + } + break; + default: + return ts.Debug.fail(String(errorCode)); + } + importAdder.writeFixes(changes); + return declaration; + } + function annotateVariableDeclaration(changes, importAdder, sourceFile, declaration, program, host, cancellationToken) { + if (ts.isIdentifier(declaration.name)) { + annotate(changes, importAdder, sourceFile, declaration, inferTypeForVariableFromUsage(declaration.name, program, cancellationToken), program, host); + } + } + function annotateParameters(changes, importAdder, sourceFile, parameterDeclaration, containingFunction, program, host, cancellationToken) { + if (!ts.isIdentifier(parameterDeclaration.name)) { + return; + } + var parameterInferences = inferTypeForParametersFromUsage(containingFunction, sourceFile, program, cancellationToken); + ts.Debug.assert(containingFunction.parameters.length === parameterInferences.length, "Parameter count and inference count should match"); + if (ts.isInJSFile(containingFunction)) { + annotateJSDocParameters(changes, sourceFile, parameterInferences, program, host); + } + else { + var needParens = ts.isArrowFunction(containingFunction) && !ts.findChildOfKind(containingFunction, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + if (needParens) + changes.insertNodeBefore(sourceFile, ts.first(containingFunction.parameters), ts.factory.createToken(20 /* SyntaxKind.OpenParenToken */)); + for (var _i = 0, parameterInferences_1 = parameterInferences; _i < parameterInferences_1.length; _i++) { + var _a = parameterInferences_1[_i], declaration = _a.declaration, type = _a.type; + if (declaration && !declaration.type && !declaration.initializer) { + annotate(changes, importAdder, sourceFile, declaration, type, program, host); + } + } + if (needParens) + changes.insertNodeAfter(sourceFile, ts.last(containingFunction.parameters), ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */)); + } + } + function annotateThis(changes, sourceFile, containingFunction, program, host, cancellationToken) { + var references = getFunctionReferences(containingFunction, sourceFile, program, cancellationToken); + if (!references || !references.length) { + return; + } + var thisInference = inferTypeFromReferences(program, references, cancellationToken).thisParameter(); + var typeNode = ts.getTypeNodeIfAccessible(thisInference, containingFunction, program, host); + if (!typeNode) { + return; + } + if (ts.isInJSFile(containingFunction)) { + annotateJSDocThis(changes, sourceFile, containingFunction, typeNode); + } + else { + changes.tryInsertThisTypeAnnotation(sourceFile, containingFunction, typeNode); + } + } + function annotateJSDocThis(changes, sourceFile, containingFunction, typeNode) { + changes.addJSDocTags(sourceFile, containingFunction, [ + ts.factory.createJSDocThisTag(/*tagName*/ undefined, ts.factory.createJSDocTypeExpression(typeNode)), + ]); + } + function annotateSetAccessor(changes, importAdder, sourceFile, setAccessorDeclaration, program, host, cancellationToken) { + var param = ts.firstOrUndefined(setAccessorDeclaration.parameters); + if (param && ts.isIdentifier(setAccessorDeclaration.name) && ts.isIdentifier(param.name)) { + var type = inferTypeForVariableFromUsage(setAccessorDeclaration.name, program, cancellationToken); + if (type === program.getTypeChecker().getAnyType()) { + type = inferTypeForVariableFromUsage(param.name, program, cancellationToken); + } + if (ts.isInJSFile(setAccessorDeclaration)) { + annotateJSDocParameters(changes, sourceFile, [{ declaration: param, type: type }], program, host); + } + else { + annotate(changes, importAdder, sourceFile, param, type, program, host); + } + } + } + function annotate(changes, importAdder, sourceFile, declaration, type, program, host) { + var typeNode = ts.getTypeNodeIfAccessible(type, declaration, program, host); + if (typeNode) { + if (ts.isInJSFile(sourceFile) && declaration.kind !== 166 /* SyntaxKind.PropertySignature */) { + var parent = ts.isVariableDeclaration(declaration) ? ts.tryCast(declaration.parent.parent, ts.isVariableStatement) : declaration; + if (!parent) { + return; + } + var typeExpression = ts.factory.createJSDocTypeExpression(typeNode); + var typeTag = ts.isGetAccessorDeclaration(declaration) ? ts.factory.createJSDocReturnTag(/*tagName*/ undefined, typeExpression, /*comment*/ undefined) : ts.factory.createJSDocTypeTag(/*tagName*/ undefined, typeExpression, /*comment*/ undefined); + changes.addJSDocTags(sourceFile, parent, [typeTag]); + } + else if (!tryReplaceImportTypeNodeWithAutoImport(typeNode, declaration, sourceFile, changes, importAdder, ts.getEmitScriptTarget(program.getCompilerOptions()))) { + changes.tryInsertTypeAnnotation(sourceFile, declaration, typeNode); + } + } + } + function tryReplaceImportTypeNodeWithAutoImport(typeNode, declaration, sourceFile, changes, importAdder, scriptTarget) { + var importableReference = codefix.tryGetAutoImportableReferenceFromTypeNode(typeNode, scriptTarget); + if (importableReference && changes.tryInsertTypeAnnotation(sourceFile, declaration, importableReference.typeNode)) { + ts.forEach(importableReference.symbols, function (s) { return importAdder.addImportFromExportedSymbol(s, /*usageIsTypeOnly*/ true); }); + return true; + } + return false; + } + function annotateJSDocParameters(changes, sourceFile, parameterInferences, program, host) { + var signature = parameterInferences.length && parameterInferences[0].declaration.parent; + if (!signature) { + return; + } + var inferences = ts.mapDefined(parameterInferences, function (inference) { + var param = inference.declaration; + // only infer parameters that have (1) no type and (2) an accessible inferred type + if (param.initializer || ts.getJSDocType(param) || !ts.isIdentifier(param.name)) { + return; + } + var typeNode = inference.type && ts.getTypeNodeIfAccessible(inference.type, param, program, host); + if (typeNode) { + var name = ts.factory.cloneNode(param.name); + ts.setEmitFlags(name, 1536 /* EmitFlags.NoComments */ | 2048 /* EmitFlags.NoNestedComments */); + return { name: ts.factory.cloneNode(param.name), param: param, isOptional: !!inference.isOptional, typeNode: typeNode }; + } + }); + if (!inferences.length) { + return; + } + if (ts.isArrowFunction(signature) || ts.isFunctionExpression(signature)) { + var needParens = ts.isArrowFunction(signature) && !ts.findChildOfKind(signature, 20 /* SyntaxKind.OpenParenToken */, sourceFile); + if (needParens) { + changes.insertNodeBefore(sourceFile, ts.first(signature.parameters), ts.factory.createToken(20 /* SyntaxKind.OpenParenToken */)); + } + ts.forEach(inferences, function (_a) { + var typeNode = _a.typeNode, param = _a.param; + var typeTag = ts.factory.createJSDocTypeTag(/*tagName*/ undefined, ts.factory.createJSDocTypeExpression(typeNode)); + var jsDoc = ts.factory.createJSDocComment(/*comment*/ undefined, [typeTag]); + changes.insertNodeAt(sourceFile, param.getStart(sourceFile), jsDoc, { suffix: " " }); + }); + if (needParens) { + changes.insertNodeAfter(sourceFile, ts.last(signature.parameters), ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */)); + } + } + else { + var paramTags = ts.map(inferences, function (_a) { + var name = _a.name, typeNode = _a.typeNode, isOptional = _a.isOptional; + return ts.factory.createJSDocParameterTag(/*tagName*/ undefined, name, /*isBracketed*/ !!isOptional, ts.factory.createJSDocTypeExpression(typeNode), /* isNameFirst */ false, /*comment*/ undefined); + }); + changes.addJSDocTags(sourceFile, signature, paramTags); + } + } + function getReferences(token, program, cancellationToken) { + // Position shouldn't matter since token is not a SourceFile. + return ts.mapDefined(ts.FindAllReferences.getReferenceEntriesForNode(-1, token, program, program.getSourceFiles(), cancellationToken), function (entry) { + return entry.kind !== 0 /* FindAllReferences.EntryKind.Span */ ? ts.tryCast(entry.node, ts.isIdentifier) : undefined; + }); + } + function inferTypeForVariableFromUsage(token, program, cancellationToken) { + var references = getReferences(token, program, cancellationToken); + return inferTypeFromReferences(program, references, cancellationToken).single(); + } + function inferTypeForParametersFromUsage(func, sourceFile, program, cancellationToken) { + var references = getFunctionReferences(func, sourceFile, program, cancellationToken); + return references && inferTypeFromReferences(program, references, cancellationToken).parameters(func) || + func.parameters.map(function (p) { return ({ + declaration: p, + type: ts.isIdentifier(p.name) ? inferTypeForVariableFromUsage(p.name, program, cancellationToken) : program.getTypeChecker().getAnyType() + }); }); + } + function getFunctionReferences(containingFunction, sourceFile, program, cancellationToken) { + var searchToken; + switch (containingFunction.kind) { + case 171 /* SyntaxKind.Constructor */: + searchToken = ts.findChildOfKind(containingFunction, 134 /* SyntaxKind.ConstructorKeyword */, sourceFile); + break; + case 214 /* SyntaxKind.ArrowFunction */: + case 213 /* SyntaxKind.FunctionExpression */: + var parent = containingFunction.parent; + searchToken = (ts.isVariableDeclaration(parent) || ts.isPropertyDeclaration(parent)) && ts.isIdentifier(parent.name) ? + parent.name : + containingFunction.name; + break; + case 256 /* SyntaxKind.FunctionDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + searchToken = containingFunction.name; + break; + } + if (!searchToken) { + return undefined; + } + return getReferences(searchToken, program, cancellationToken); + } + function inferTypeFromReferences(program, references, cancellationToken) { + var checker = program.getTypeChecker(); + var builtinConstructors = { + string: function () { return checker.getStringType(); }, + number: function () { return checker.getNumberType(); }, + Array: function (t) { return checker.createArrayType(t); }, + Promise: function (t) { return checker.createPromiseType(t); }, + }; + var builtins = [ + checker.getStringType(), + checker.getNumberType(), + checker.createArrayType(checker.getAnyType()), + checker.createPromiseType(checker.getAnyType()), + ]; + return { + single: single, + parameters: parameters, + thisParameter: thisParameter, + }; + function createEmptyUsage() { + return { + isNumber: undefined, + isString: undefined, + isNumberOrString: undefined, + candidateTypes: undefined, + properties: undefined, + calls: undefined, + constructs: undefined, + numberIndex: undefined, + stringIndex: undefined, + candidateThisTypes: undefined, + inferredTypes: undefined, + }; + } + function combineUsages(usages) { + var combinedProperties = new ts.Map(); + for (var _i = 0, usages_1 = usages; _i < usages_1.length; _i++) { + var u = usages_1[_i]; + if (u.properties) { + u.properties.forEach(function (p, name) { + if (!combinedProperties.has(name)) { + combinedProperties.set(name, []); + } + combinedProperties.get(name).push(p); + }); + } + } + var properties = new ts.Map(); + combinedProperties.forEach(function (ps, name) { + properties.set(name, combineUsages(ps)); + }); + return { + isNumber: usages.some(function (u) { return u.isNumber; }), + isString: usages.some(function (u) { return u.isString; }), + isNumberOrString: usages.some(function (u) { return u.isNumberOrString; }), + candidateTypes: ts.flatMap(usages, function (u) { return u.candidateTypes; }), + properties: properties, + calls: ts.flatMap(usages, function (u) { return u.calls; }), + constructs: ts.flatMap(usages, function (u) { return u.constructs; }), + numberIndex: ts.forEach(usages, function (u) { return u.numberIndex; }), + stringIndex: ts.forEach(usages, function (u) { return u.stringIndex; }), + candidateThisTypes: ts.flatMap(usages, function (u) { return u.candidateThisTypes; }), + inferredTypes: undefined, // clear type cache + }; + } + function single() { + return combineTypes(inferTypesFromReferencesSingle(references)); + } + function parameters(declaration) { + if (references.length === 0 || !declaration.parameters) { + return undefined; + } + var usage = createEmptyUsage(); + for (var _i = 0, references_3 = references; _i < references_3.length; _i++) { + var reference = references_3[_i]; + cancellationToken.throwIfCancellationRequested(); + calculateUsageOfNode(reference, usage); + } + var calls = __spreadArray(__spreadArray([], usage.constructs || [], true), usage.calls || [], true); + return declaration.parameters.map(function (parameter, parameterIndex) { + var types = []; + var isRest = ts.isRestParameter(parameter); + var isOptional = false; + for (var _i = 0, calls_1 = calls; _i < calls_1.length; _i++) { + var call = calls_1[_i]; + if (call.argumentTypes.length <= parameterIndex) { + isOptional = ts.isInJSFile(declaration); + types.push(checker.getUndefinedType()); + } + else if (isRest) { + for (var i = parameterIndex; i < call.argumentTypes.length; i++) { + types.push(checker.getBaseTypeOfLiteralType(call.argumentTypes[i])); + } + } + else { + types.push(checker.getBaseTypeOfLiteralType(call.argumentTypes[parameterIndex])); + } + } + if (ts.isIdentifier(parameter.name)) { + var inferred = inferTypesFromReferencesSingle(getReferences(parameter.name, program, cancellationToken)); + types.push.apply(types, (isRest ? ts.mapDefined(inferred, checker.getElementTypeOfArrayType) : inferred)); + } + var type = combineTypes(types); + return { + type: isRest ? checker.createArrayType(type) : type, + isOptional: isOptional && !isRest, + declaration: parameter + }; + }); + } + function thisParameter() { + var usage = createEmptyUsage(); + for (var _i = 0, references_4 = references; _i < references_4.length; _i++) { + var reference = references_4[_i]; + cancellationToken.throwIfCancellationRequested(); + calculateUsageOfNode(reference, usage); + } + return combineTypes(usage.candidateThisTypes || ts.emptyArray); + } + function inferTypesFromReferencesSingle(references) { + var usage = createEmptyUsage(); + for (var _i = 0, references_5 = references; _i < references_5.length; _i++) { + var reference = references_5[_i]; + cancellationToken.throwIfCancellationRequested(); + calculateUsageOfNode(reference, usage); + } + return inferTypes(usage); + } + function calculateUsageOfNode(node, usage) { + while (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + switch (node.parent.kind) { + case 238 /* SyntaxKind.ExpressionStatement */: + inferTypeFromExpressionStatement(node, usage); + break; + case 220 /* SyntaxKind.PostfixUnaryExpression */: + usage.isNumber = true; + break; + case 219 /* SyntaxKind.PrefixUnaryExpression */: + inferTypeFromPrefixUnaryExpression(node.parent, usage); + break; + case 221 /* SyntaxKind.BinaryExpression */: + inferTypeFromBinaryExpression(node, node.parent, usage); + break; + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + inferTypeFromSwitchStatementLabel(node.parent, usage); + break; + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + if (node.parent.expression === node) { + inferTypeFromCallExpression(node.parent, usage); + } + else { + inferTypeFromContextualType(node, usage); + } + break; + case 206 /* SyntaxKind.PropertyAccessExpression */: + inferTypeFromPropertyAccessExpression(node.parent, usage); + break; + case 207 /* SyntaxKind.ElementAccessExpression */: + inferTypeFromPropertyElementExpression(node.parent, node, usage); + break; + case 296 /* SyntaxKind.PropertyAssignment */: + case 297 /* SyntaxKind.ShorthandPropertyAssignment */: + inferTypeFromPropertyAssignment(node.parent, usage); + break; + case 167 /* SyntaxKind.PropertyDeclaration */: + inferTypeFromPropertyDeclaration(node.parent, usage); + break; + case 254 /* SyntaxKind.VariableDeclaration */: { + var _a = node.parent, name = _a.name, initializer = _a.initializer; + if (node === name) { + if (initializer) { // This can happen for `let x = null;` which still has an implicit-any error. + addCandidateType(usage, checker.getTypeAtLocation(initializer)); + } + break; + } + } + // falls through + default: + return inferTypeFromContextualType(node, usage); + } + } + function inferTypeFromContextualType(node, usage) { + if (ts.isExpressionNode(node)) { + addCandidateType(usage, checker.getContextualType(node)); + } + } + function inferTypeFromExpressionStatement(node, usage) { + addCandidateType(usage, ts.isCallExpression(node) ? checker.getVoidType() : checker.getAnyType()); + } + function inferTypeFromPrefixUnaryExpression(node, usage) { + switch (node.operator) { + case 45 /* SyntaxKind.PlusPlusToken */: + case 46 /* SyntaxKind.MinusMinusToken */: + case 40 /* SyntaxKind.MinusToken */: + case 54 /* SyntaxKind.TildeToken */: + usage.isNumber = true; + break; + case 39 /* SyntaxKind.PlusToken */: + usage.isNumberOrString = true; + break; + // case SyntaxKind.ExclamationToken: + // no inferences here; + } + } + function inferTypeFromBinaryExpression(node, parent, usage) { + switch (parent.operatorToken.kind) { + // ExponentiationOperator + case 42 /* SyntaxKind.AsteriskAsteriskToken */: + // MultiplicativeOperator + // falls through + case 41 /* SyntaxKind.AsteriskToken */: + case 43 /* SyntaxKind.SlashToken */: + case 44 /* SyntaxKind.PercentToken */: + // ShiftOperator + // falls through + case 47 /* SyntaxKind.LessThanLessThanToken */: + case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: + case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: + // BitwiseOperator + // falls through + case 50 /* SyntaxKind.AmpersandToken */: + case 51 /* SyntaxKind.BarToken */: + case 52 /* SyntaxKind.CaretToken */: + // CompoundAssignmentOperator + // falls through + case 65 /* SyntaxKind.MinusEqualsToken */: + case 67 /* SyntaxKind.AsteriskAsteriskEqualsToken */: + case 66 /* SyntaxKind.AsteriskEqualsToken */: + case 68 /* SyntaxKind.SlashEqualsToken */: + case 69 /* SyntaxKind.PercentEqualsToken */: + case 73 /* SyntaxKind.AmpersandEqualsToken */: + case 74 /* SyntaxKind.BarEqualsToken */: + case 78 /* SyntaxKind.CaretEqualsToken */: + case 70 /* SyntaxKind.LessThanLessThanEqualsToken */: + case 72 /* SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken */: + case 71 /* SyntaxKind.GreaterThanGreaterThanEqualsToken */: + // AdditiveOperator + // falls through + case 40 /* SyntaxKind.MinusToken */: + // RelationalOperator + // falls through + case 29 /* SyntaxKind.LessThanToken */: + case 32 /* SyntaxKind.LessThanEqualsToken */: + case 31 /* SyntaxKind.GreaterThanToken */: + case 33 /* SyntaxKind.GreaterThanEqualsToken */: + var operandType = checker.getTypeAtLocation(parent.left === node ? parent.right : parent.left); + if (operandType.flags & 1056 /* TypeFlags.EnumLike */) { + addCandidateType(usage, operandType); + } + else { + usage.isNumber = true; + } + break; + case 64 /* SyntaxKind.PlusEqualsToken */: + case 39 /* SyntaxKind.PlusToken */: + var otherOperandType = checker.getTypeAtLocation(parent.left === node ? parent.right : parent.left); + if (otherOperandType.flags & 1056 /* TypeFlags.EnumLike */) { + addCandidateType(usage, otherOperandType); + } + else if (otherOperandType.flags & 296 /* TypeFlags.NumberLike */) { + usage.isNumber = true; + } + else if (otherOperandType.flags & 402653316 /* TypeFlags.StringLike */) { + usage.isString = true; + } + else if (otherOperandType.flags & 1 /* TypeFlags.Any */) { + // do nothing, maybe we'll learn something elsewhere + } + else { + usage.isNumberOrString = true; + } + break; + // AssignmentOperators + case 63 /* SyntaxKind.EqualsToken */: + case 34 /* SyntaxKind.EqualsEqualsToken */: + case 36 /* SyntaxKind.EqualsEqualsEqualsToken */: + case 37 /* SyntaxKind.ExclamationEqualsEqualsToken */: + case 35 /* SyntaxKind.ExclamationEqualsToken */: + addCandidateType(usage, checker.getTypeAtLocation(parent.left === node ? parent.right : parent.left)); + break; + case 101 /* SyntaxKind.InKeyword */: + if (node === parent.left) { + usage.isString = true; + } + break; + // LogicalOperator Or NullishCoalescing + case 56 /* SyntaxKind.BarBarToken */: + case 60 /* SyntaxKind.QuestionQuestionToken */: + if (node === parent.left && + (node.parent.parent.kind === 254 /* SyntaxKind.VariableDeclaration */ || ts.isAssignmentExpression(node.parent.parent, /*excludeCompoundAssignment*/ true))) { + // var x = x || {}; + // TODO: use getFalsyflagsOfType + addCandidateType(usage, checker.getTypeAtLocation(parent.right)); + } + break; + case 55 /* SyntaxKind.AmpersandAmpersandToken */: + case 27 /* SyntaxKind.CommaToken */: + case 102 /* SyntaxKind.InstanceOfKeyword */: + // nothing to infer here + break; + } + } + function inferTypeFromSwitchStatementLabel(parent, usage) { + addCandidateType(usage, checker.getTypeAtLocation(parent.parent.parent.expression)); + } + function inferTypeFromCallExpression(parent, usage) { + var call = { + argumentTypes: [], + return_: createEmptyUsage() + }; + if (parent.arguments) { + for (var _i = 0, _a = parent.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + call.argumentTypes.push(checker.getTypeAtLocation(argument)); + } + } + calculateUsageOfNode(parent, call.return_); + if (parent.kind === 208 /* SyntaxKind.CallExpression */) { + (usage.calls || (usage.calls = [])).push(call); + } + else { + (usage.constructs || (usage.constructs = [])).push(call); + } + } + function inferTypeFromPropertyAccessExpression(parent, usage) { + var name = ts.escapeLeadingUnderscores(parent.name.text); + if (!usage.properties) { + usage.properties = new ts.Map(); + } + var propertyUsage = usage.properties.get(name) || createEmptyUsage(); + calculateUsageOfNode(parent, propertyUsage); + usage.properties.set(name, propertyUsage); + } + function inferTypeFromPropertyElementExpression(parent, node, usage) { + if (node === parent.argumentExpression) { + usage.isNumberOrString = true; + return; + } + else { + var indexType = checker.getTypeAtLocation(parent.argumentExpression); + var indexUsage = createEmptyUsage(); + calculateUsageOfNode(parent, indexUsage); + if (indexType.flags & 296 /* TypeFlags.NumberLike */) { + usage.numberIndex = indexUsage; + } + else { + usage.stringIndex = indexUsage; + } + } + } + function inferTypeFromPropertyAssignment(assignment, usage) { + var nodeWithRealType = ts.isVariableDeclaration(assignment.parent.parent) ? + assignment.parent.parent : + assignment.parent; + addCandidateThisType(usage, checker.getTypeAtLocation(nodeWithRealType)); + } + function inferTypeFromPropertyDeclaration(declaration, usage) { + addCandidateThisType(usage, checker.getTypeAtLocation(declaration.parent)); + } + function removeLowPriorityInferences(inferences, priorities) { + var toRemove = []; + for (var _i = 0, inferences_1 = inferences; _i < inferences_1.length; _i++) { + var i = inferences_1[_i]; + for (var _a = 0, priorities_1 = priorities; _a < priorities_1.length; _a++) { + var _b = priorities_1[_a], high = _b.high, low = _b.low; + if (high(i)) { + ts.Debug.assert(!low(i), "Priority can't have both low and high"); + toRemove.push(low); + } + } + } + return inferences.filter(function (i) { return toRemove.every(function (f) { return !f(i); }); }); + } + function combineFromUsage(usage) { + return combineTypes(inferTypes(usage)); + } + function combineTypes(inferences) { + if (!inferences.length) + return checker.getAnyType(); + // 1. string or number individually override string | number + // 2. non-any, non-void overrides any or void + // 3. non-nullable, non-any, non-void, non-anonymous overrides anonymous types + var stringNumber = checker.getUnionType([checker.getStringType(), checker.getNumberType()]); + var priorities = [ + { + high: function (t) { return t === checker.getStringType() || t === checker.getNumberType(); }, + low: function (t) { return t === stringNumber; } + }, + { + high: function (t) { return !(t.flags & (1 /* TypeFlags.Any */ | 16384 /* TypeFlags.Void */)); }, + low: function (t) { return !!(t.flags & (1 /* TypeFlags.Any */ | 16384 /* TypeFlags.Void */)); } + }, + { + high: function (t) { return !(t.flags & (98304 /* TypeFlags.Nullable */ | 1 /* TypeFlags.Any */ | 16384 /* TypeFlags.Void */)) && !(ts.getObjectFlags(t) & 16 /* ObjectFlags.Anonymous */); }, + low: function (t) { return !!(ts.getObjectFlags(t) & 16 /* ObjectFlags.Anonymous */); } + } + ]; + var good = removeLowPriorityInferences(inferences, priorities); + var anons = good.filter(function (i) { return ts.getObjectFlags(i) & 16 /* ObjectFlags.Anonymous */; }); + if (anons.length) { + good = good.filter(function (i) { return !(ts.getObjectFlags(i) & 16 /* ObjectFlags.Anonymous */); }); + good.push(combineAnonymousTypes(anons)); + } + return checker.getWidenedType(checker.getUnionType(good.map(checker.getBaseTypeOfLiteralType), 2 /* UnionReduction.Subtype */)); + } + function combineAnonymousTypes(anons) { + if (anons.length === 1) { + return anons[0]; + } + var calls = []; + var constructs = []; + var stringIndices = []; + var numberIndices = []; + var stringIndexReadonly = false; + var numberIndexReadonly = false; + var props = ts.createMultiMap(); + for (var _i = 0, anons_1 = anons; _i < anons_1.length; _i++) { + var anon = anons_1[_i]; + for (var _a = 0, _b = checker.getPropertiesOfType(anon); _a < _b.length; _a++) { + var p = _b[_a]; + props.add(p.name, p.valueDeclaration ? checker.getTypeOfSymbolAtLocation(p, p.valueDeclaration) : checker.getAnyType()); + } + calls.push.apply(calls, checker.getSignaturesOfType(anon, 0 /* SignatureKind.Call */)); + constructs.push.apply(constructs, checker.getSignaturesOfType(anon, 1 /* SignatureKind.Construct */)); + var stringIndexInfo = checker.getIndexInfoOfType(anon, 0 /* IndexKind.String */); + if (stringIndexInfo) { + stringIndices.push(stringIndexInfo.type); + stringIndexReadonly = stringIndexReadonly || stringIndexInfo.isReadonly; + } + var numberIndexInfo = checker.getIndexInfoOfType(anon, 1 /* IndexKind.Number */); + if (numberIndexInfo) { + numberIndices.push(numberIndexInfo.type); + numberIndexReadonly = numberIndexReadonly || numberIndexInfo.isReadonly; + } + } + var members = ts.mapEntries(props, function (name, types) { + var isOptional = types.length < anons.length ? 16777216 /* SymbolFlags.Optional */ : 0; + var s = checker.createSymbol(4 /* SymbolFlags.Property */ | isOptional, name); + s.type = checker.getUnionType(types); + return [name, s]; + }); + var indexInfos = []; + if (stringIndices.length) + indexInfos.push(checker.createIndexInfo(checker.getStringType(), checker.getUnionType(stringIndices), stringIndexReadonly)); + if (numberIndices.length) + indexInfos.push(checker.createIndexInfo(checker.getNumberType(), checker.getUnionType(numberIndices), numberIndexReadonly)); + return checker.createAnonymousType(anons[0].symbol, members, calls, constructs, indexInfos); + } + function inferTypes(usage) { + var _a, _b, _c; + var types = []; + if (usage.isNumber) { + types.push(checker.getNumberType()); + } + if (usage.isString) { + types.push(checker.getStringType()); + } + if (usage.isNumberOrString) { + types.push(checker.getUnionType([checker.getStringType(), checker.getNumberType()])); + } + if (usage.numberIndex) { + types.push(checker.createArrayType(combineFromUsage(usage.numberIndex))); + } + if (((_a = usage.properties) === null || _a === void 0 ? void 0 : _a.size) || ((_b = usage.constructs) === null || _b === void 0 ? void 0 : _b.length) || usage.stringIndex) { + types.push(inferStructuralType(usage)); + } + var candidateTypes = (usage.candidateTypes || []).map(function (t) { return checker.getBaseTypeOfLiteralType(t); }); + var callsType = ((_c = usage.calls) === null || _c === void 0 ? void 0 : _c.length) ? inferStructuralType(usage) : undefined; + if (callsType && candidateTypes) { + types.push(checker.getUnionType(__spreadArray([callsType], candidateTypes, true), 2 /* UnionReduction.Subtype */)); + } + else { + if (callsType) { + types.push(callsType); + } + if (ts.length(candidateTypes)) { + types.push.apply(types, candidateTypes); + } + } + types.push.apply(types, inferNamedTypesFromProperties(usage)); + return types; + } + function inferStructuralType(usage) { + var members = new ts.Map(); + if (usage.properties) { + usage.properties.forEach(function (u, name) { + var symbol = checker.createSymbol(4 /* SymbolFlags.Property */, name); + symbol.type = combineFromUsage(u); + members.set(name, symbol); + }); + } + var callSignatures = usage.calls ? [getSignatureFromCalls(usage.calls)] : []; + var constructSignatures = usage.constructs ? [getSignatureFromCalls(usage.constructs)] : []; + var indexInfos = usage.stringIndex ? [checker.createIndexInfo(checker.getStringType(), combineFromUsage(usage.stringIndex), /*isReadonly*/ false)] : []; + return checker.createAnonymousType(/*symbol*/ undefined, members, callSignatures, constructSignatures, indexInfos); + } + function inferNamedTypesFromProperties(usage) { + if (!usage.properties || !usage.properties.size) + return []; + var types = builtins.filter(function (t) { return allPropertiesAreAssignableToUsage(t, usage); }); + if (0 < types.length && types.length < 3) { + return types.map(function (t) { return inferInstantiationFromUsage(t, usage); }); + } + return []; + } + function allPropertiesAreAssignableToUsage(type, usage) { + if (!usage.properties) + return false; + return !ts.forEachEntry(usage.properties, function (propUsage, name) { + var source = checker.getTypeOfPropertyOfType(type, name); + if (!source) { + return true; + } + if (propUsage.calls) { + var sigs = checker.getSignaturesOfType(source, 0 /* SignatureKind.Call */); + return !sigs.length || !checker.isTypeAssignableTo(source, getFunctionFromCalls(propUsage.calls)); + } + else { + return !checker.isTypeAssignableTo(source, combineFromUsage(propUsage)); + } + }); + } + /** + * inference is limited to + * 1. generic types with a single parameter + * 2. inference to/from calls with a single signature + */ + function inferInstantiationFromUsage(type, usage) { + if (!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */) || !usage.properties) { + return type; + } + var generic = type.target; + var singleTypeParameter = ts.singleOrUndefined(generic.typeParameters); + if (!singleTypeParameter) + return type; + var types = []; + usage.properties.forEach(function (propUsage, name) { + var genericPropertyType = checker.getTypeOfPropertyOfType(generic, name); + ts.Debug.assert(!!genericPropertyType, "generic should have all the properties of its reference."); + types.push.apply(types, inferTypeParameters(genericPropertyType, combineFromUsage(propUsage), singleTypeParameter)); + }); + return builtinConstructors[type.symbol.escapedName](combineTypes(types)); + } + function inferTypeParameters(genericType, usageType, typeParameter) { + if (genericType === typeParameter) { + return [usageType]; + } + else if (genericType.flags & 3145728 /* TypeFlags.UnionOrIntersection */) { + return ts.flatMap(genericType.types, function (t) { return inferTypeParameters(t, usageType, typeParameter); }); + } + else if (ts.getObjectFlags(genericType) & 4 /* ObjectFlags.Reference */ && ts.getObjectFlags(usageType) & 4 /* ObjectFlags.Reference */) { + // this is wrong because we need a reference to the targetType to, so we can check that it's also a reference + var genericArgs = checker.getTypeArguments(genericType); + var usageArgs = checker.getTypeArguments(usageType); + var types = []; + if (genericArgs && usageArgs) { + for (var i = 0; i < genericArgs.length; i++) { + if (usageArgs[i]) { + types.push.apply(types, inferTypeParameters(genericArgs[i], usageArgs[i], typeParameter)); + } + } + } + return types; + } + var genericSigs = checker.getSignaturesOfType(genericType, 0 /* SignatureKind.Call */); + var usageSigs = checker.getSignaturesOfType(usageType, 0 /* SignatureKind.Call */); + if (genericSigs.length === 1 && usageSigs.length === 1) { + return inferFromSignatures(genericSigs[0], usageSigs[0], typeParameter); + } + return []; + } + function inferFromSignatures(genericSig, usageSig, typeParameter) { + var types = []; + for (var i = 0; i < genericSig.parameters.length; i++) { + var genericParam = genericSig.parameters[i]; + var usageParam = usageSig.parameters[i]; + var isRest = genericSig.declaration && ts.isRestParameter(genericSig.declaration.parameters[i]); + if (!usageParam) { + break; + } + var genericParamType = genericParam.valueDeclaration ? checker.getTypeOfSymbolAtLocation(genericParam, genericParam.valueDeclaration) : checker.getAnyType(); + var elementType = isRest && checker.getElementTypeOfArrayType(genericParamType); + if (elementType) { + genericParamType = elementType; + } + var targetType = usageParam.type + || (usageParam.valueDeclaration ? checker.getTypeOfSymbolAtLocation(usageParam, usageParam.valueDeclaration) : checker.getAnyType()); + types.push.apply(types, inferTypeParameters(genericParamType, targetType, typeParameter)); + } + var genericReturn = checker.getReturnTypeOfSignature(genericSig); + var usageReturn = checker.getReturnTypeOfSignature(usageSig); + types.push.apply(types, inferTypeParameters(genericReturn, usageReturn, typeParameter)); + return types; + } + function getFunctionFromCalls(calls) { + return checker.createAnonymousType(/*symbol*/ undefined, ts.createSymbolTable(), [getSignatureFromCalls(calls)], ts.emptyArray, ts.emptyArray); + } + function getSignatureFromCalls(calls) { + var parameters = []; + var length = Math.max.apply(Math, calls.map(function (c) { return c.argumentTypes.length; })); + var _loop_16 = function (i) { + var symbol = checker.createSymbol(1 /* SymbolFlags.FunctionScopedVariable */, ts.escapeLeadingUnderscores("arg".concat(i))); + symbol.type = combineTypes(calls.map(function (call) { return call.argumentTypes[i] || checker.getUndefinedType(); })); + if (calls.some(function (call) { return call.argumentTypes[i] === undefined; })) { + symbol.flags |= 16777216 /* SymbolFlags.Optional */; + } + parameters.push(symbol); + }; + for (var i = 0; i < length; i++) { + _loop_16(i); + } + var returnType = combineFromUsage(combineUsages(calls.map(function (call) { return call.return_; }))); + return checker.createSignature(/*declaration*/ undefined, /*typeParameters*/ undefined, /*thisParameter*/ undefined, parameters, returnType, /*typePredicate*/ undefined, length, 0 /* SignatureFlags.None */); + } + function addCandidateType(usage, type) { + if (type && !(type.flags & 1 /* TypeFlags.Any */) && !(type.flags & 131072 /* TypeFlags.Never */)) { + (usage.candidateTypes || (usage.candidateTypes = [])).push(type); + } + } + function addCandidateThisType(usage, type) { + if (type && !(type.flags & 1 /* TypeFlags.Any */) && !(type.flags & 131072 /* TypeFlags.Never */)) { + (usage.candidateThisTypes || (usage.candidateThisTypes = [])).push(type); + } + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixReturnTypeInAsyncFunction"; + var errorCodes = [ + ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_Did_you_mean_to_write_Promise_0.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixId], + getCodeActions: function getCodeActionsToFixReturnTypeInAsyncFunction(context) { + var sourceFile = context.sourceFile, program = context.program, span = context.span; + var checker = program.getTypeChecker(); + var info = getInfo(sourceFile, program.getTypeChecker(), span.start); + if (!info) { + return undefined; + } + var returnTypeNode = info.returnTypeNode, returnType = info.returnType, promisedTypeNode = info.promisedTypeNode, promisedType = info.promisedType; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, returnTypeNode, promisedTypeNode); }); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Replace_0_with_Promise_1, + checker.typeToString(returnType), checker.typeToString(promisedType)], fixId, ts.Diagnostics.Fix_all_incorrect_return_type_of_an_async_functions)]; + }, + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, context.program.getTypeChecker(), diag.start); + if (info) { + doChange(changes, diag.file, info.returnTypeNode, info.promisedTypeNode); + } + }); } + }); + function getInfo(sourceFile, checker, pos) { + if (ts.isInJSFile(sourceFile)) { + return undefined; + } + var token = ts.getTokenAtPosition(sourceFile, pos); + var func = ts.findAncestor(token, ts.isFunctionLikeDeclaration); + var returnTypeNode = func === null || func === void 0 ? void 0 : func.type; + if (!returnTypeNode) { + return undefined; + } + var returnType = checker.getTypeFromTypeNode(returnTypeNode); + var promisedType = checker.getAwaitedType(returnType) || checker.getVoidType(); + var promisedTypeNode = checker.typeToTypeNode(promisedType, /*enclosingDeclaration*/ returnTypeNode, /*flags*/ undefined); + if (promisedTypeNode) { + return { returnTypeNode: returnTypeNode, returnType: returnType, promisedTypeNode: promisedTypeNode, promisedType: promisedType }; + } + } + function doChange(changes, sourceFile, returnTypeNode, promisedTypeNode) { + changes.replaceNode(sourceFile, returnTypeNode, ts.factory.createTypeReferenceNode("Promise", [promisedTypeNode])); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixName = "disableJsDiagnostics"; + var fixId = "disableJsDiagnostics"; + var errorCodes = ts.mapDefined(Object.keys(ts.Diagnostics), function (key) { + var diag = ts.Diagnostics[key]; + return diag.category === ts.DiagnosticCategory.Error ? diag.code : undefined; + }); + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToDisableJsDiagnostics(context) { + var sourceFile = context.sourceFile, program = context.program, span = context.span, host = context.host, formatContext = context.formatContext; + if (!ts.isInJSFile(sourceFile) || !ts.isCheckJsEnabledForFile(sourceFile, program.getCompilerOptions())) { + return undefined; + } + var newLineCharacter = sourceFile.checkJsDirective ? "" : ts.getNewLineOrDefaultFromHost(host, formatContext.options); + var fixes = [ + // fixId unnecessary because adding `// @ts-nocheck` even once will ignore every error in the file. + codefix.createCodeFixActionWithoutFixAll(fixName, [codefix.createFileTextChanges(sourceFile.fileName, [ + ts.createTextChange(sourceFile.checkJsDirective + ? ts.createTextSpanFromBounds(sourceFile.checkJsDirective.pos, sourceFile.checkJsDirective.end) + : ts.createTextSpan(0, 0), "// @ts-nocheck".concat(newLineCharacter)), + ])], ts.Diagnostics.Disable_checking_for_this_file), + ]; + if (ts.textChanges.isValidLocationToAddComment(sourceFile, span.start)) { + fixes.unshift(codefix.createCodeFixAction(fixName, ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, sourceFile, span.start); }), ts.Diagnostics.Ignore_this_error_message, fixId, ts.Diagnostics.Add_ts_ignore_to_all_error_messages)); + } + return fixes; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + var seenLines = new ts.Set(); + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + if (ts.textChanges.isValidLocationToAddComment(diag.file, diag.start)) { + makeChange(changes, diag.file, diag.start, seenLines); + } + }); + }, + }); + function makeChange(changes, sourceFile, position, seenLines) { + var lineNumber = ts.getLineAndCharacterOfPosition(sourceFile, position).line; + // Only need to add `// @ts-ignore` for a line once. + if (!seenLines || ts.tryAddToSet(seenLines, lineNumber)) { + changes.insertCommentBeforeLine(sourceFile, lineNumber, position, " @ts-ignore"); + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + /** + * Finds members of the resolved type that are missing in the class pointed to by class decl + * and generates source code for the missing members. + * @param possiblyMissingSymbols The collection of symbols to filter and then get insertions for. + * @param importAdder If provided, type annotations will use identifier type references instead of ImportTypeNodes, and the missing imports will be added to the importAdder. + * @returns Empty string iff there are no member insertions. + */ + function createMissingMemberNodes(classDeclaration, possiblyMissingSymbols, sourceFile, context, preferences, importAdder, addClassElement) { + var classMembers = classDeclaration.symbol.members; + for (var _i = 0, possiblyMissingSymbols_1 = possiblyMissingSymbols; _i < possiblyMissingSymbols_1.length; _i++) { + var symbol = possiblyMissingSymbols_1[_i]; + if (!classMembers.has(symbol.escapedName)) { + addNewNodeForMemberSymbol(symbol, classDeclaration, sourceFile, context, preferences, importAdder, addClassElement, /* body */ undefined); + } + } + } + codefix.createMissingMemberNodes = createMissingMemberNodes; + function getNoopSymbolTrackerWithResolver(context) { + return { + trackSymbol: function () { return false; }, + moduleResolverHost: ts.getModuleSpecifierResolverHost(context.program, context.host), + }; + } + codefix.getNoopSymbolTrackerWithResolver = getNoopSymbolTrackerWithResolver; + var PreserveOptionalFlags; + (function (PreserveOptionalFlags) { + PreserveOptionalFlags[PreserveOptionalFlags["Method"] = 1] = "Method"; + PreserveOptionalFlags[PreserveOptionalFlags["Property"] = 2] = "Property"; + PreserveOptionalFlags[PreserveOptionalFlags["All"] = 3] = "All"; + })(PreserveOptionalFlags = codefix.PreserveOptionalFlags || (codefix.PreserveOptionalFlags = {})); + /** + * `addClassElement` will not be called if we can't figure out a representation for `symbol` in `enclosingDeclaration`. + * @param body If defined, this will be the body of the member node passed to `addClassElement`. Otherwise, the body will default to a stub. + */ + function addNewNodeForMemberSymbol(symbol, enclosingDeclaration, sourceFile, context, preferences, importAdder, addClassElement, body, preserveOptional, isAmbient) { + if (preserveOptional === void 0) { preserveOptional = 3 /* PreserveOptionalFlags.All */; } + if (isAmbient === void 0) { isAmbient = false; } + var declarations = symbol.getDeclarations(); + if (!(declarations && declarations.length)) { + return undefined; + } + var checker = context.program.getTypeChecker(); + var scriptTarget = ts.getEmitScriptTarget(context.program.getCompilerOptions()); + var declaration = declarations[0]; + var name = ts.getSynthesizedDeepClone(ts.getNameOfDeclaration(declaration), /*includeTrivia*/ false); + var visibilityModifier = createVisibilityModifier(ts.getEffectiveModifierFlags(declaration)); + var modifiers = visibilityModifier ? ts.factory.createNodeArray([visibilityModifier]) : undefined; + var type = checker.getWidenedType(checker.getTypeOfSymbolAtLocation(symbol, enclosingDeclaration)); + var optional = !!(symbol.flags & 16777216 /* SymbolFlags.Optional */); + var ambient = !!(enclosingDeclaration.flags & 16777216 /* NodeFlags.Ambient */) || isAmbient; + var quotePreference = ts.getQuotePreference(sourceFile, preferences); + switch (declaration.kind) { + case 166 /* SyntaxKind.PropertySignature */: + case 167 /* SyntaxKind.PropertyDeclaration */: + var flags = quotePreference === 0 /* QuotePreference.Single */ ? 268435456 /* NodeBuilderFlags.UseSingleQuotesForStringLiteralType */ : undefined; + var typeNode = checker.typeToTypeNode(type, enclosingDeclaration, flags, getNoopSymbolTrackerWithResolver(context)); + if (importAdder) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(typeNode, scriptTarget); + if (importableReference) { + typeNode = importableReference.typeNode; + importSymbols(importAdder, importableReference.symbols); + } + } + addClassElement(ts.factory.createPropertyDeclaration( + /*decorators*/ undefined, modifiers, name, optional && (preserveOptional & 2 /* PreserveOptionalFlags.Property */) ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, typeNode, + /*initializer*/ undefined)); + break; + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: { + var typeNode_1 = checker.typeToTypeNode(type, enclosingDeclaration, /*flags*/ undefined, getNoopSymbolTrackerWithResolver(context)); + var allAccessors = ts.getAllAccessorDeclarations(declarations, declaration); + var orderedAccessors = allAccessors.secondAccessor + ? [allAccessors.firstAccessor, allAccessors.secondAccessor] + : [allAccessors.firstAccessor]; + if (importAdder) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(typeNode_1, scriptTarget); + if (importableReference) { + typeNode_1 = importableReference.typeNode; + importSymbols(importAdder, importableReference.symbols); + } + } + for (var _i = 0, orderedAccessors_1 = orderedAccessors; _i < orderedAccessors_1.length; _i++) { + var accessor = orderedAccessors_1[_i]; + if (ts.isGetAccessorDeclaration(accessor)) { + addClassElement(ts.factory.createGetAccessorDeclaration( + /*decorators*/ undefined, modifiers, name, ts.emptyArray, typeNode_1, ambient ? undefined : body || createStubbedMethodBody(quotePreference))); + } + else { + ts.Debug.assertNode(accessor, ts.isSetAccessorDeclaration, "The counterpart to a getter should be a setter"); + var parameter = ts.getSetAccessorValueParameter(accessor); + var parameterName = parameter && ts.isIdentifier(parameter.name) ? ts.idText(parameter.name) : undefined; + addClassElement(ts.factory.createSetAccessorDeclaration( + /*decorators*/ undefined, modifiers, name, createDummyParameters(1, [parameterName], [typeNode_1], 1, /*inJs*/ false), ambient ? undefined : body || createStubbedMethodBody(quotePreference))); + } + } + break; + } + case 168 /* SyntaxKind.MethodSignature */: + case 169 /* SyntaxKind.MethodDeclaration */: + // The signature for the implementation appears as an entry in `signatures` iff + // there is only one signature. + // If there are overloads and an implementation signature, it appears as an + // extra declaration that isn't a signature for `type`. + // If there is more than one overload but no implementation signature + // (eg: an abstract method or interface declaration), there is a 1-1 + // correspondence of declarations and signatures. + var signatures = checker.getSignaturesOfType(type, 0 /* SignatureKind.Call */); + if (!ts.some(signatures)) { + break; + } + if (declarations.length === 1) { + ts.Debug.assert(signatures.length === 1, "One declaration implies one signature"); + var signature = signatures[0]; + outputMethod(quotePreference, signature, modifiers, name, ambient ? undefined : body || createStubbedMethodBody(quotePreference)); + break; + } + for (var _a = 0, signatures_1 = signatures; _a < signatures_1.length; _a++) { + var signature = signatures_1[_a]; + // Ensure nodes are fresh so they can have different positions when going through formatting. + outputMethod(quotePreference, signature, ts.getSynthesizedDeepClones(modifiers, /*includeTrivia*/ false), ts.getSynthesizedDeepClone(name, /*includeTrivia*/ false)); + } + if (!ambient) { + if (declarations.length > signatures.length) { + var signature = checker.getSignatureFromDeclaration(declarations[declarations.length - 1]); + outputMethod(quotePreference, signature, modifiers, name, body || createStubbedMethodBody(quotePreference)); + } + else { + ts.Debug.assert(declarations.length === signatures.length, "Declarations and signatures should match count"); + addClassElement(createMethodImplementingSignatures(checker, context, enclosingDeclaration, signatures, name, optional && !!(preserveOptional & 1 /* PreserveOptionalFlags.Method */), modifiers, quotePreference, body)); + } + } + break; + } + function outputMethod(quotePreference, signature, modifiers, name, body) { + var method = createSignatureDeclarationFromSignature(169 /* SyntaxKind.MethodDeclaration */, context, quotePreference, signature, body, name, modifiers, optional && !!(preserveOptional & 1 /* PreserveOptionalFlags.Method */), enclosingDeclaration, importAdder); + if (method) + addClassElement(method); + } + } + codefix.addNewNodeForMemberSymbol = addNewNodeForMemberSymbol; + function createSignatureDeclarationFromSignature(kind, context, quotePreference, signature, body, name, modifiers, optional, enclosingDeclaration, importAdder) { + var program = context.program; + var checker = program.getTypeChecker(); + var scriptTarget = ts.getEmitScriptTarget(program.getCompilerOptions()); + var flags = 1 /* NodeBuilderFlags.NoTruncation */ + | 256 /* NodeBuilderFlags.SuppressAnyReturnType */ + | 524288 /* NodeBuilderFlags.AllowEmptyTuple */ + | (quotePreference === 0 /* QuotePreference.Single */ ? 268435456 /* NodeBuilderFlags.UseSingleQuotesForStringLiteralType */ : 0 /* NodeBuilderFlags.None */); + var signatureDeclaration = checker.signatureToSignatureDeclaration(signature, kind, enclosingDeclaration, flags, getNoopSymbolTrackerWithResolver(context)); + if (!signatureDeclaration) { + return undefined; + } + var typeParameters = signatureDeclaration.typeParameters; + var parameters = signatureDeclaration.parameters; + var type = signatureDeclaration.type; + if (importAdder) { + if (typeParameters) { + var newTypeParameters = ts.sameMap(typeParameters, function (typeParameterDecl) { + var constraint = typeParameterDecl.constraint; + var defaultType = typeParameterDecl.default; + if (constraint) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(constraint, scriptTarget); + if (importableReference) { + constraint = importableReference.typeNode; + importSymbols(importAdder, importableReference.symbols); + } + } + if (defaultType) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(defaultType, scriptTarget); + if (importableReference) { + defaultType = importableReference.typeNode; + importSymbols(importAdder, importableReference.symbols); + } + } + return ts.factory.updateTypeParameterDeclaration(typeParameterDecl, typeParameterDecl.modifiers, typeParameterDecl.name, constraint, defaultType); + }); + if (typeParameters !== newTypeParameters) { + typeParameters = ts.setTextRange(ts.factory.createNodeArray(newTypeParameters, typeParameters.hasTrailingComma), typeParameters); + } + } + var newParameters = ts.sameMap(parameters, function (parameterDecl) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(parameterDecl.type, scriptTarget); + var type = parameterDecl.type; + if (importableReference) { + type = importableReference.typeNode; + importSymbols(importAdder, importableReference.symbols); + } + return ts.factory.updateParameterDeclaration(parameterDecl, parameterDecl.decorators, parameterDecl.modifiers, parameterDecl.dotDotDotToken, parameterDecl.name, parameterDecl.questionToken, type, parameterDecl.initializer); + }); + if (parameters !== newParameters) { + parameters = ts.setTextRange(ts.factory.createNodeArray(newParameters, parameters.hasTrailingComma), parameters); + } + if (type) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(type, scriptTarget); + if (importableReference) { + type = importableReference.typeNode; + importSymbols(importAdder, importableReference.symbols); + } + } + } + var questionToken = optional ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined; + var asteriskToken = signatureDeclaration.asteriskToken; + if (ts.isFunctionExpression(signatureDeclaration)) { + return ts.factory.updateFunctionExpression(signatureDeclaration, modifiers, signatureDeclaration.asteriskToken, ts.tryCast(name, ts.isIdentifier), typeParameters, parameters, type, body !== null && body !== void 0 ? body : signatureDeclaration.body); + } + if (ts.isArrowFunction(signatureDeclaration)) { + return ts.factory.updateArrowFunction(signatureDeclaration, modifiers, typeParameters, parameters, type, signatureDeclaration.equalsGreaterThanToken, body !== null && body !== void 0 ? body : signatureDeclaration.body); + } + if (ts.isMethodDeclaration(signatureDeclaration)) { + return ts.factory.updateMethodDeclaration(signatureDeclaration, /* decorators */ undefined, modifiers, asteriskToken, name !== null && name !== void 0 ? name : ts.factory.createIdentifier(""), questionToken, typeParameters, parameters, type, body); + } + return undefined; + } + codefix.createSignatureDeclarationFromSignature = createSignatureDeclarationFromSignature; + function createSignatureDeclarationFromCallExpression(kind, context, importAdder, call, name, modifierFlags, contextNode) { + var quotePreference = ts.getQuotePreference(context.sourceFile, context.preferences); + var scriptTarget = ts.getEmitScriptTarget(context.program.getCompilerOptions()); + var tracker = getNoopSymbolTrackerWithResolver(context); + var checker = context.program.getTypeChecker(); + var isJs = ts.isInJSFile(contextNode); + var typeArguments = call.typeArguments, args = call.arguments, parent = call.parent; + var contextualType = isJs ? undefined : checker.getContextualType(call); + var names = ts.map(args, function (arg) { + return ts.isIdentifier(arg) ? arg.text : ts.isPropertyAccessExpression(arg) && ts.isIdentifier(arg.name) ? arg.name.text : undefined; + }); + var types = isJs ? [] : ts.map(args, function (arg) { + return typeToAutoImportableTypeNode(checker, importAdder, checker.getBaseTypeOfLiteralType(checker.getTypeAtLocation(arg)), contextNode, scriptTarget, /*flags*/ undefined, tracker); + }); + var modifiers = modifierFlags + ? ts.factory.createNodeArray(ts.factory.createModifiersFromModifierFlags(modifierFlags)) + : undefined; + var asteriskToken = ts.isYieldExpression(parent) + ? ts.factory.createToken(41 /* SyntaxKind.AsteriskToken */) + : undefined; + var typeParameters = isJs || typeArguments === undefined + ? undefined + : ts.map(typeArguments, function (_, i) { + return ts.factory.createTypeParameterDeclaration(/*modifiers*/ undefined, 84 /* CharacterCodes.T */ + typeArguments.length - 1 <= 90 /* CharacterCodes.Z */ ? String.fromCharCode(84 /* CharacterCodes.T */ + i) : "T".concat(i)); + }); + var parameters = createDummyParameters(args.length, names, types, /*minArgumentCount*/ undefined, isJs); + var type = isJs || contextualType === undefined + ? undefined + : checker.typeToTypeNode(contextualType, contextNode, /*flags*/ undefined, tracker); + switch (kind) { + case 169 /* SyntaxKind.MethodDeclaration */: + return ts.factory.createMethodDeclaration( + /*decorators*/ undefined, modifiers, asteriskToken, name, + /*questionToken*/ undefined, typeParameters, parameters, type, createStubbedMethodBody(quotePreference)); + case 168 /* SyntaxKind.MethodSignature */: + return ts.factory.createMethodSignature(modifiers, name, + /*questionToken*/ undefined, typeParameters, parameters, type); + case 256 /* SyntaxKind.FunctionDeclaration */: + return ts.factory.createFunctionDeclaration( + /*decorators*/ undefined, modifiers, asteriskToken, name, typeParameters, parameters, type, createStubbedBody(ts.Diagnostics.Function_not_implemented.message, quotePreference)); + default: + ts.Debug.fail("Unexpected kind"); + } + } + codefix.createSignatureDeclarationFromCallExpression = createSignatureDeclarationFromCallExpression; + function typeToAutoImportableTypeNode(checker, importAdder, type, contextNode, scriptTarget, flags, tracker) { + var typeNode = checker.typeToTypeNode(type, contextNode, flags, tracker); + if (typeNode && ts.isImportTypeNode(typeNode)) { + var importableReference = tryGetAutoImportableReferenceFromTypeNode(typeNode, scriptTarget); + if (importableReference) { + importSymbols(importAdder, importableReference.symbols); + typeNode = importableReference.typeNode; + } + } + // Ensure nodes are fresh so they can have different positions when going through formatting. + return ts.getSynthesizedDeepClone(typeNode); + } + codefix.typeToAutoImportableTypeNode = typeToAutoImportableTypeNode; + function createDummyParameters(argCount, names, types, minArgumentCount, inJs) { + var parameters = []; + for (var i = 0; i < argCount; i++) { + var newParameter = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, + /*name*/ names && names[i] || "arg".concat(i), + /*questionToken*/ minArgumentCount !== undefined && i >= minArgumentCount ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, + /*type*/ inJs ? undefined : types && types[i] || ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */), + /*initializer*/ undefined); + parameters.push(newParameter); + } + return parameters; + } + function createMethodImplementingSignatures(checker, context, enclosingDeclaration, signatures, name, optional, modifiers, quotePreference, body) { + /** This is *a* signature with the maximal number of arguments, + * such that if there is a "maximal" signature without rest arguments, + * this is one of them. + */ + var maxArgsSignature = signatures[0]; + var minArgumentCount = signatures[0].minArgumentCount; + var someSigHasRestParameter = false; + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var sig = signatures_2[_i]; + minArgumentCount = Math.min(sig.minArgumentCount, minArgumentCount); + if (ts.signatureHasRestParameter(sig)) { + someSigHasRestParameter = true; + } + if (sig.parameters.length >= maxArgsSignature.parameters.length && (!ts.signatureHasRestParameter(sig) || ts.signatureHasRestParameter(maxArgsSignature))) { + maxArgsSignature = sig; + } + } + var maxNonRestArgs = maxArgsSignature.parameters.length - (ts.signatureHasRestParameter(maxArgsSignature) ? 1 : 0); + var maxArgsParameterSymbolNames = maxArgsSignature.parameters.map(function (symbol) { return symbol.name; }); + var parameters = createDummyParameters(maxNonRestArgs, maxArgsParameterSymbolNames, /* types */ undefined, minArgumentCount, /*inJs*/ false); + if (someSigHasRestParameter) { + var restParameter = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */), maxArgsParameterSymbolNames[maxNonRestArgs] || "rest", + /*questionToken*/ maxNonRestArgs >= minArgumentCount ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, ts.factory.createArrayTypeNode(ts.factory.createKeywordTypeNode(155 /* SyntaxKind.UnknownKeyword */)), + /*initializer*/ undefined); + parameters.push(restParameter); + } + return createStubbedMethod(modifiers, name, optional, + /*typeParameters*/ undefined, parameters, getReturnTypeFromSignatures(signatures, checker, context, enclosingDeclaration), quotePreference, body); + } + function getReturnTypeFromSignatures(signatures, checker, context, enclosingDeclaration) { + if (ts.length(signatures)) { + var type = checker.getUnionType(ts.map(signatures, checker.getReturnTypeOfSignature)); + return checker.typeToTypeNode(type, enclosingDeclaration, /*flags*/ undefined, getNoopSymbolTrackerWithResolver(context)); + } + } + function createStubbedMethod(modifiers, name, optional, typeParameters, parameters, returnType, quotePreference, body) { + return ts.factory.createMethodDeclaration( + /*decorators*/ undefined, modifiers, + /*asteriskToken*/ undefined, name, optional ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : undefined, typeParameters, parameters, returnType, body || createStubbedMethodBody(quotePreference)); + } + function createStubbedMethodBody(quotePreference) { + return createStubbedBody(ts.Diagnostics.Method_not_implemented.message, quotePreference); + } + function createStubbedBody(text, quotePreference) { + return ts.factory.createBlock([ts.factory.createThrowStatement(ts.factory.createNewExpression(ts.factory.createIdentifier("Error"), + /*typeArguments*/ undefined, + // TODO Handle auto quote preference. + [ts.factory.createStringLiteral(text, /*isSingleQuote*/ quotePreference === 0 /* QuotePreference.Single */)]))], + /*multiline*/ true); + } + codefix.createStubbedBody = createStubbedBody; + function createVisibilityModifier(flags) { + if (flags & 4 /* ModifierFlags.Public */) { + return ts.factory.createToken(123 /* SyntaxKind.PublicKeyword */); + } + else if (flags & 16 /* ModifierFlags.Protected */) { + return ts.factory.createToken(122 /* SyntaxKind.ProtectedKeyword */); + } + return undefined; + } + function setJsonCompilerOptionValues(changeTracker, configFile, options) { + var tsconfigObjectLiteral = ts.getTsConfigObjectLiteralExpression(configFile); + if (!tsconfigObjectLiteral) + return undefined; + var compilerOptionsProperty = findJsonProperty(tsconfigObjectLiteral, "compilerOptions"); + if (compilerOptionsProperty === undefined) { + changeTracker.insertNodeAtObjectStart(configFile, tsconfigObjectLiteral, createJsonPropertyAssignment("compilerOptions", ts.factory.createObjectLiteralExpression(options.map(function (_a) { + var optionName = _a[0], optionValue = _a[1]; + return createJsonPropertyAssignment(optionName, optionValue); + }), /*multiLine*/ true))); + return; + } + var compilerOptions = compilerOptionsProperty.initializer; + if (!ts.isObjectLiteralExpression(compilerOptions)) { + return; + } + for (var _i = 0, options_1 = options; _i < options_1.length; _i++) { + var _a = options_1[_i], optionName = _a[0], optionValue = _a[1]; + var optionProperty = findJsonProperty(compilerOptions, optionName); + if (optionProperty === undefined) { + changeTracker.insertNodeAtObjectStart(configFile, compilerOptions, createJsonPropertyAssignment(optionName, optionValue)); + } + else { + changeTracker.replaceNode(configFile, optionProperty.initializer, optionValue); + } + } + } + codefix.setJsonCompilerOptionValues = setJsonCompilerOptionValues; + function setJsonCompilerOptionValue(changeTracker, configFile, optionName, optionValue) { + setJsonCompilerOptionValues(changeTracker, configFile, [[optionName, optionValue]]); + } + codefix.setJsonCompilerOptionValue = setJsonCompilerOptionValue; + function createJsonPropertyAssignment(name, initializer) { + return ts.factory.createPropertyAssignment(ts.factory.createStringLiteral(name), initializer); + } + codefix.createJsonPropertyAssignment = createJsonPropertyAssignment; + function findJsonProperty(obj, name) { + return ts.find(obj.properties, function (p) { return ts.isPropertyAssignment(p) && !!p.name && ts.isStringLiteral(p.name) && p.name.text === name; }); + } + codefix.findJsonProperty = findJsonProperty; + /** + * Given a type node containing 'import("./a").SomeType>', + * returns an equivalent type reference node with any nested ImportTypeNodes also replaced + * with type references, and a list of symbols that must be imported to use the type reference. + */ + function tryGetAutoImportableReferenceFromTypeNode(importTypeNode, scriptTarget) { + var symbols; + var typeNode = ts.visitNode(importTypeNode, visit); + if (symbols && typeNode) { + return { typeNode: typeNode, symbols: symbols }; + } + function visit(node) { + var _a; + if (ts.isLiteralImportTypeNode(node) && node.qualifier) { + // Symbol for the left-most thing after the dot + var firstIdentifier = ts.getFirstIdentifier(node.qualifier); + var name = ts.getNameForExportedSymbol(firstIdentifier.symbol, scriptTarget); + var qualifier = name !== firstIdentifier.text + ? replaceFirstIdentifierOfEntityName(node.qualifier, ts.factory.createIdentifier(name)) + : node.qualifier; + symbols = ts.append(symbols, firstIdentifier.symbol); + var typeArguments = (_a = node.typeArguments) === null || _a === void 0 ? void 0 : _a.map(visit); + return ts.factory.createTypeReferenceNode(qualifier, typeArguments); + } + return ts.visitEachChild(node, visit, ts.nullTransformationContext); + } + } + codefix.tryGetAutoImportableReferenceFromTypeNode = tryGetAutoImportableReferenceFromTypeNode; + function replaceFirstIdentifierOfEntityName(name, newIdentifier) { + if (name.kind === 79 /* SyntaxKind.Identifier */) { + return newIdentifier; + } + return ts.factory.createQualifiedName(replaceFirstIdentifierOfEntityName(name.left, newIdentifier), name.right); + } + function importSymbols(importAdder, symbols) { + symbols.forEach(function (s) { return importAdder.addImportFromExportedSymbol(s, /*isValidTypeOnlyUseSite*/ true); }); + } + codefix.importSymbols = importSymbols; + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + function generateAccessorFromProperty(file, program, start, end, context, _actionName) { + var fieldInfo = getAccessorConvertiblePropertyAtPosition(file, program, start, end); + if (!fieldInfo || ts.refactor.isRefactorErrorInfo(fieldInfo)) + return undefined; + var changeTracker = ts.textChanges.ChangeTracker.fromContext(context); + var isStatic = fieldInfo.isStatic, isReadonly = fieldInfo.isReadonly, fieldName = fieldInfo.fieldName, accessorName = fieldInfo.accessorName, originalName = fieldInfo.originalName, type = fieldInfo.type, container = fieldInfo.container, declaration = fieldInfo.declaration; + ts.suppressLeadingAndTrailingTrivia(fieldName); + ts.suppressLeadingAndTrailingTrivia(accessorName); + ts.suppressLeadingAndTrailingTrivia(declaration); + ts.suppressLeadingAndTrailingTrivia(container); + var accessorModifiers; + var fieldModifiers; + if (ts.isClassLike(container)) { + var modifierFlags = ts.getEffectiveModifierFlags(declaration); + if (ts.isSourceFileJS(file)) { + var modifiers = ts.createModifiers(modifierFlags); + accessorModifiers = modifiers; + fieldModifiers = modifiers; + } + else { + accessorModifiers = ts.createModifiers(prepareModifierFlagsForAccessor(modifierFlags)); + fieldModifiers = ts.createModifiers(prepareModifierFlagsForField(modifierFlags)); + } + } + updateFieldDeclaration(changeTracker, file, declaration, type, fieldName, fieldModifiers); + var getAccessor = generateGetAccessor(fieldName, accessorName, type, accessorModifiers, isStatic, container); + ts.suppressLeadingAndTrailingTrivia(getAccessor); + insertAccessor(changeTracker, file, getAccessor, declaration, container); + if (isReadonly) { + // readonly modifier only existed in classLikeDeclaration + var constructor = ts.getFirstConstructorWithBody(container); + if (constructor) { + updateReadonlyPropertyInitializerStatementConstructor(changeTracker, file, constructor, fieldName.text, originalName); + } + } + else { + var setAccessor = generateSetAccessor(fieldName, accessorName, type, accessorModifiers, isStatic, container); + ts.suppressLeadingAndTrailingTrivia(setAccessor); + insertAccessor(changeTracker, file, setAccessor, declaration, container); + } + return changeTracker.getChanges(); + } + codefix.generateAccessorFromProperty = generateAccessorFromProperty; + function isConvertibleName(name) { + return ts.isIdentifier(name) || ts.isStringLiteral(name); + } + function isAcceptedDeclaration(node) { + return ts.isParameterPropertyDeclaration(node, node.parent) || ts.isPropertyDeclaration(node) || ts.isPropertyAssignment(node); + } + function createPropertyName(name, originalName) { + return ts.isIdentifier(originalName) ? ts.factory.createIdentifier(name) : ts.factory.createStringLiteral(name); + } + function createAccessorAccessExpression(fieldName, isStatic, container) { + var leftHead = isStatic ? container.name : ts.factory.createThis(); // TODO: GH#18217 + return ts.isIdentifier(fieldName) ? ts.factory.createPropertyAccessExpression(leftHead, fieldName) : ts.factory.createElementAccessExpression(leftHead, ts.factory.createStringLiteralFromNode(fieldName)); + } + function prepareModifierFlagsForAccessor(modifierFlags) { + modifierFlags &= ~64 /* ModifierFlags.Readonly */; // avoid Readonly modifier because it will convert to get accessor + modifierFlags &= ~8 /* ModifierFlags.Private */; + if (!(modifierFlags & 16 /* ModifierFlags.Protected */)) { + modifierFlags |= 4 /* ModifierFlags.Public */; + } + return modifierFlags; + } + function prepareModifierFlagsForField(modifierFlags) { + modifierFlags &= ~4 /* ModifierFlags.Public */; + modifierFlags &= ~16 /* ModifierFlags.Protected */; + modifierFlags |= 8 /* ModifierFlags.Private */; + return modifierFlags; + } + function getAccessorConvertiblePropertyAtPosition(file, program, start, end, considerEmptySpans) { + if (considerEmptySpans === void 0) { considerEmptySpans = true; } + var node = ts.getTokenAtPosition(file, start); + var cursorRequest = start === end && considerEmptySpans; + var declaration = ts.findAncestor(node.parent, isAcceptedDeclaration); + // make sure declaration have AccessibilityModifier or Static Modifier or Readonly Modifier + var meaning = 28 /* ModifierFlags.AccessibilityModifier */ | 32 /* ModifierFlags.Static */ | 64 /* ModifierFlags.Readonly */; + if (!declaration || (!(ts.nodeOverlapsWithStartEnd(declaration.name, file, start, end) || cursorRequest))) { + return { + error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_property_for_which_to_generate_accessor) + }; + } + if (!isConvertibleName(declaration.name)) { + return { + error: ts.getLocaleSpecificMessage(ts.Diagnostics.Name_is_not_valid) + }; + } + if ((ts.getEffectiveModifierFlags(declaration) | meaning) !== meaning) { + return { + error: ts.getLocaleSpecificMessage(ts.Diagnostics.Can_only_convert_property_with_modifier) + }; + } + var name = declaration.name.text; + var startWithUnderscore = ts.startsWithUnderscore(name); + var fieldName = createPropertyName(startWithUnderscore ? name : ts.getUniqueName("_".concat(name), file), declaration.name); + var accessorName = createPropertyName(startWithUnderscore ? ts.getUniqueName(name.substring(1), file) : name, declaration.name); + return { + isStatic: ts.hasStaticModifier(declaration), + isReadonly: ts.hasEffectiveReadonlyModifier(declaration), + type: getDeclarationType(declaration, program), + container: declaration.kind === 164 /* SyntaxKind.Parameter */ ? declaration.parent.parent : declaration.parent, + originalName: declaration.name.text, + declaration: declaration, + fieldName: fieldName, + accessorName: accessorName, + renameAccessor: startWithUnderscore + }; + } + codefix.getAccessorConvertiblePropertyAtPosition = getAccessorConvertiblePropertyAtPosition; + function generateGetAccessor(fieldName, accessorName, type, modifiers, isStatic, container) { + return ts.factory.createGetAccessorDeclaration( + /*decorators*/ undefined, modifiers, accessorName, + /*parameters*/ undefined, // TODO: GH#18217 + type, ts.factory.createBlock([ + ts.factory.createReturnStatement(createAccessorAccessExpression(fieldName, isStatic, container)) + ], /*multiLine*/ true)); + } + function generateSetAccessor(fieldName, accessorName, type, modifiers, isStatic, container) { + return ts.factory.createSetAccessorDeclaration( + /*decorators*/ undefined, modifiers, accessorName, [ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, ts.factory.createIdentifier("value"), + /*questionToken*/ undefined, type)], ts.factory.createBlock([ + ts.factory.createExpressionStatement(ts.factory.createAssignment(createAccessorAccessExpression(fieldName, isStatic, container), ts.factory.createIdentifier("value"))) + ], /*multiLine*/ true)); + } + function updatePropertyDeclaration(changeTracker, file, declaration, type, fieldName, modifiers) { + var property = ts.factory.updatePropertyDeclaration(declaration, declaration.decorators, modifiers, fieldName, declaration.questionToken || declaration.exclamationToken, type, declaration.initializer); + changeTracker.replaceNode(file, declaration, property); + } + function updatePropertyAssignmentDeclaration(changeTracker, file, declaration, fieldName) { + var assignment = ts.factory.updatePropertyAssignment(declaration, fieldName, declaration.initializer); + changeTracker.replacePropertyAssignment(file, declaration, assignment); + } + function updateFieldDeclaration(changeTracker, file, declaration, type, fieldName, modifiers) { + if (ts.isPropertyDeclaration(declaration)) { + updatePropertyDeclaration(changeTracker, file, declaration, type, fieldName, modifiers); + } + else if (ts.isPropertyAssignment(declaration)) { + updatePropertyAssignmentDeclaration(changeTracker, file, declaration, fieldName); + } + else { + changeTracker.replaceNode(file, declaration, ts.factory.updateParameterDeclaration(declaration, declaration.decorators, modifiers, declaration.dotDotDotToken, ts.cast(fieldName, ts.isIdentifier), declaration.questionToken, declaration.type, declaration.initializer)); + } + } + function insertAccessor(changeTracker, file, accessor, declaration, container) { + ts.isParameterPropertyDeclaration(declaration, declaration.parent) ? changeTracker.insertMemberAtStart(file, container, accessor) : + ts.isPropertyAssignment(declaration) ? changeTracker.insertNodeAfterComma(file, declaration, accessor) : + changeTracker.insertNodeAfter(file, declaration, accessor); + } + function updateReadonlyPropertyInitializerStatementConstructor(changeTracker, file, constructor, fieldName, originalName) { + if (!constructor.body) + return; + constructor.body.forEachChild(function recur(node) { + if (ts.isElementAccessExpression(node) && + node.expression.kind === 108 /* SyntaxKind.ThisKeyword */ && + ts.isStringLiteral(node.argumentExpression) && + node.argumentExpression.text === originalName && + ts.isWriteAccess(node)) { + changeTracker.replaceNode(file, node.argumentExpression, ts.factory.createStringLiteral(fieldName)); + } + if (ts.isPropertyAccessExpression(node) && node.expression.kind === 108 /* SyntaxKind.ThisKeyword */ && node.name.text === originalName && ts.isWriteAccess(node)) { + changeTracker.replaceNode(file, node.name, ts.factory.createIdentifier(fieldName)); + } + if (!ts.isFunctionLike(node) && !ts.isClassLike(node)) { + node.forEachChild(recur); + } + }); + } + function getDeclarationType(declaration, program) { + var typeNode = ts.getTypeAnnotationNode(declaration); + if (ts.isPropertyDeclaration(declaration) && typeNode && declaration.questionToken) { + var typeChecker = program.getTypeChecker(); + var type = typeChecker.getTypeFromTypeNode(typeNode); + if (!typeChecker.isTypeAssignableTo(typeChecker.getUndefinedType(), type)) { + var types = ts.isUnionTypeNode(typeNode) ? typeNode.types : [typeNode]; + return ts.factory.createUnionTypeNode(__spreadArray(__spreadArray([], types, true), [ts.factory.createKeywordTypeNode(153 /* SyntaxKind.UndefinedKeyword */)], false)); + } + } + return typeNode; + } + function getAllSupers(decl, checker) { + var res = []; + while (decl) { + var superElement = ts.getClassExtendsHeritageElement(decl); + var superSymbol = superElement && checker.getSymbolAtLocation(superElement.expression); + if (!superSymbol) + break; + var symbol = superSymbol.flags & 2097152 /* SymbolFlags.Alias */ ? checker.getAliasedSymbol(superSymbol) : superSymbol; + var superDecl = symbol.declarations && ts.find(symbol.declarations, ts.isClassLike); + if (!superDecl) + break; + res.push(superDecl); + decl = superDecl; + } + return res; + } + codefix.getAllSupers = getAllSupers; + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixName = "invalidImportSyntax"; + function getCodeFixesForImportDeclaration(context, node) { + var sourceFile = ts.getSourceFileOfNode(node); + var namespace = ts.getNamespaceDeclarationNode(node); + var opts = context.program.getCompilerOptions(); + var variations = []; + // import Bluebird from "bluebird"; + variations.push(createAction(context, sourceFile, node, ts.makeImport(namespace.name, /*namedImports*/ undefined, node.moduleSpecifier, ts.getQuotePreference(sourceFile, context.preferences)))); + if (ts.getEmitModuleKind(opts) === ts.ModuleKind.CommonJS) { + // import Bluebird = require("bluebird"); + variations.push(createAction(context, sourceFile, node, ts.factory.createImportEqualsDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isTypeOnly*/ false, namespace.name, ts.factory.createExternalModuleReference(node.moduleSpecifier)))); + } + return variations; + } + function createAction(context, sourceFile, node, replacement) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(sourceFile, node, replacement); }); + return codefix.createCodeFixActionWithoutFixAll(fixName, changes, [ts.Diagnostics.Replace_import_with_0, changes[0].textChanges[0].newText]); + } + codefix.registerCodeFix({ + errorCodes: [ + ts.Diagnostics.This_expression_is_not_callable.code, + ts.Diagnostics.This_expression_is_not_constructable.code, + ], + getCodeActions: getActionsForUsageOfInvalidImport + }); + function getActionsForUsageOfInvalidImport(context) { + var sourceFile = context.sourceFile; + var targetKind = ts.Diagnostics.This_expression_is_not_callable.code === context.errorCode ? 208 /* SyntaxKind.CallExpression */ : 209 /* SyntaxKind.NewExpression */; + var node = ts.findAncestor(ts.getTokenAtPosition(sourceFile, context.span.start), function (a) { return a.kind === targetKind; }); + if (!node) { + return []; + } + var expr = node.expression; + return getImportCodeFixesForExpression(context, expr); + } + codefix.registerCodeFix({ + errorCodes: [ + // The following error codes cover pretty much all assignability errors that could involve an expression + ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code, + ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1.code, + ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code, + ts.Diagnostics.Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated.code, + ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1.code, + ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_2_index_type_3.code, + ts.Diagnostics._0_index_type_1_is_not_assignable_to_2_index_type_3.code, + ts.Diagnostics.Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2.code, + ts.Diagnostics.Property_0_in_type_1_is_not_assignable_to_type_2.code, + ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property.code, + ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1.code, + ], + getCodeActions: getActionsForInvalidImportLocation + }); + function getActionsForInvalidImportLocation(context) { + var sourceFile = context.sourceFile; + var node = ts.findAncestor(ts.getTokenAtPosition(sourceFile, context.span.start), function (a) { return a.getStart() === context.span.start && a.getEnd() === (context.span.start + context.span.length); }); + if (!node) { + return []; + } + return getImportCodeFixesForExpression(context, node); + } + function getImportCodeFixesForExpression(context, expr) { + var type = context.program.getTypeChecker().getTypeAtLocation(expr); + if (!(type.symbol && type.symbol.originatingImport)) { + return []; + } + var fixes = []; + var relatedImport = type.symbol.originatingImport; // TODO: GH#18217 + if (!ts.isImportCall(relatedImport)) { + ts.addRange(fixes, getCodeFixesForImportDeclaration(context, relatedImport)); + } + if (ts.isExpression(expr) && !(ts.isNamedDeclaration(expr.parent) && expr.parent.name === expr)) { + var sourceFile_2 = context.sourceFile; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(sourceFile_2, expr, ts.factory.createPropertyAccessExpression(expr, "default"), {}); }); + fixes.push(codefix.createCodeFixActionWithoutFixAll(fixName, changes, ts.Diagnostics.Use_synthetic_default_member)); + } + return fixes; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixName = "strictClassInitialization"; + var fixIdAddDefiniteAssignmentAssertions = "addMissingPropertyDefiniteAssignmentAssertions"; + var fixIdAddUndefinedType = "addMissingPropertyUndefinedType"; + var fixIdAddInitializer = "addMissingPropertyInitializer"; + var errorCodes = [ts.Diagnostics.Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsForStrictClassInitializationErrors(context) { + var info = getInfo(context.sourceFile, context.span.start); + if (!info) + return; + var result = []; + ts.append(result, getActionForAddMissingUndefinedType(context, info)); + ts.append(result, getActionForAddMissingDefiniteAssignmentAssertion(context, info)); + ts.append(result, getActionForAddMissingInitializer(context, info)); + return result; + }, + fixIds: [fixIdAddDefiniteAssignmentAssertions, fixIdAddUndefinedType, fixIdAddInitializer], + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start); + if (!info) + return; + switch (context.fixId) { + case fixIdAddDefiniteAssignmentAssertions: + addDefiniteAssignmentAssertion(changes, diag.file, info.prop); + break; + case fixIdAddUndefinedType: + addUndefinedType(changes, diag.file, info); + break; + case fixIdAddInitializer: + var checker = context.program.getTypeChecker(); + var initializer = getInitializer(checker, info.prop); + if (!initializer) + return; + addInitializer(changes, diag.file, info.prop, initializer); + break; + default: + ts.Debug.fail(JSON.stringify(context.fixId)); + } + }); + }, + }); + function getInfo(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + if (ts.isIdentifier(token) && ts.isPropertyDeclaration(token.parent)) { + var type = ts.getEffectiveTypeAnnotationNode(token.parent); + if (type) { + return { type: type, prop: token.parent, isJs: ts.isInJSFile(token.parent) }; + } + } + return undefined; + } + function getActionForAddMissingDefiniteAssignmentAssertion(context, info) { + if (info.isJs) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addDefiniteAssignmentAssertion(t, context.sourceFile, info.prop); }); + return codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_definite_assignment_assertion_to_property_0, info.prop.getText()], fixIdAddDefiniteAssignmentAssertions, ts.Diagnostics.Add_definite_assignment_assertions_to_all_uninitialized_properties); + } + function addDefiniteAssignmentAssertion(changeTracker, propertyDeclarationSourceFile, propertyDeclaration) { + ts.suppressLeadingAndTrailingTrivia(propertyDeclaration); + var property = ts.factory.updatePropertyDeclaration(propertyDeclaration, propertyDeclaration.decorators, propertyDeclaration.modifiers, propertyDeclaration.name, ts.factory.createToken(53 /* SyntaxKind.ExclamationToken */), propertyDeclaration.type, propertyDeclaration.initializer); + changeTracker.replaceNode(propertyDeclarationSourceFile, propertyDeclaration, property); + } + function getActionForAddMissingUndefinedType(context, info) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addUndefinedType(t, context.sourceFile, info); }); + return codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_undefined_type_to_property_0, info.prop.name.getText()], fixIdAddUndefinedType, ts.Diagnostics.Add_undefined_type_to_all_uninitialized_properties); + } + function addUndefinedType(changeTracker, sourceFile, info) { + var undefinedTypeNode = ts.factory.createKeywordTypeNode(153 /* SyntaxKind.UndefinedKeyword */); + var types = ts.isUnionTypeNode(info.type) ? info.type.types.concat(undefinedTypeNode) : [info.type, undefinedTypeNode]; + var unionTypeNode = ts.factory.createUnionTypeNode(types); + if (info.isJs) { + changeTracker.addJSDocTags(sourceFile, info.prop, [ts.factory.createJSDocTypeTag(/*tagName*/ undefined, ts.factory.createJSDocTypeExpression(unionTypeNode))]); + } + else { + changeTracker.replaceNode(sourceFile, info.type, unionTypeNode); + } + } + function getActionForAddMissingInitializer(context, info) { + if (info.isJs) + return undefined; + var checker = context.program.getTypeChecker(); + var initializer = getInitializer(checker, info.prop); + if (!initializer) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addInitializer(t, context.sourceFile, info.prop, initializer); }); + return codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_initializer_to_property_0, info.prop.name.getText()], fixIdAddInitializer, ts.Diagnostics.Add_initializers_to_all_uninitialized_properties); + } + function addInitializer(changeTracker, propertyDeclarationSourceFile, propertyDeclaration, initializer) { + ts.suppressLeadingAndTrailingTrivia(propertyDeclaration); + var property = ts.factory.updatePropertyDeclaration(propertyDeclaration, propertyDeclaration.decorators, propertyDeclaration.modifiers, propertyDeclaration.name, propertyDeclaration.questionToken, propertyDeclaration.type, initializer); + changeTracker.replaceNode(propertyDeclarationSourceFile, propertyDeclaration, property); + } + function getInitializer(checker, propertyDeclaration) { + return getDefaultValueFromType(checker, checker.getTypeFromTypeNode(propertyDeclaration.type)); // TODO: GH#18217 + } + function getDefaultValueFromType(checker, type) { + if (type.flags & 512 /* TypeFlags.BooleanLiteral */) { + return (type === checker.getFalseType() || type === checker.getFalseType(/*fresh*/ true)) ? ts.factory.createFalse() : ts.factory.createTrue(); + } + else if (type.isStringLiteral()) { + return ts.factory.createStringLiteral(type.value); + } + else if (type.isNumberLiteral()) { + return ts.factory.createNumericLiteral(type.value); + } + else if (type.flags & 2048 /* TypeFlags.BigIntLiteral */) { + return ts.factory.createBigIntLiteral(type.value); + } + else if (type.isUnion()) { + return ts.firstDefined(type.types, function (t) { return getDefaultValueFromType(checker, t); }); + } + else if (type.isClass()) { + var classDeclaration = ts.getClassLikeDeclarationOfSymbol(type.symbol); + if (!classDeclaration || ts.hasSyntacticModifier(classDeclaration, 128 /* ModifierFlags.Abstract */)) + return undefined; + var constructorDeclaration = ts.getFirstConstructorWithBody(classDeclaration); + if (constructorDeclaration && constructorDeclaration.parameters.length) + return undefined; + return ts.factory.createNewExpression(ts.factory.createIdentifier(type.symbol.name), /*typeArguments*/ undefined, /*argumentsArray*/ undefined); + } + else if (checker.isArrayLikeType(type)) { + return ts.factory.createArrayLiteralExpression(); + } + return undefined; + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "requireInTs"; + var errorCodes = [ts.Diagnostics.require_call_may_be_converted_to_an_import.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var info = getInfo(context.sourceFile, context.program, context.span.start); + if (!info) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, info); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_require_to_import, fixId, ts.Diagnostics.Convert_all_require_to_import)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, context.program, diag.start); + if (info) { + doChange(changes, context.sourceFile, info); + } + }); }, + }); + function doChange(changes, sourceFile, info) { + var allowSyntheticDefaults = info.allowSyntheticDefaults, defaultImportName = info.defaultImportName, namedImports = info.namedImports, statement = info.statement, required = info.required; + changes.replaceNode(sourceFile, statement, defaultImportName && !allowSyntheticDefaults + ? ts.factory.createImportEqualsDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*isTypeOnly*/ false, defaultImportName, ts.factory.createExternalModuleReference(required)) + : ts.factory.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, defaultImportName, namedImports), required, /*assertClause*/ undefined)); + } + function getInfo(sourceFile, program, pos) { + var parent = ts.getTokenAtPosition(sourceFile, pos).parent; + if (!ts.isRequireCall(parent, /*checkArgumentIsStringLiteralLike*/ true)) { + throw ts.Debug.failBadSyntaxKind(parent); + } + var decl = ts.cast(parent.parent, ts.isVariableDeclaration); + var defaultImportName = ts.tryCast(decl.name, ts.isIdentifier); + var namedImports = ts.isObjectBindingPattern(decl.name) ? tryCreateNamedImportsFromObjectBindingPattern(decl.name) : undefined; + if (defaultImportName || namedImports) { + return { + allowSyntheticDefaults: ts.getAllowSyntheticDefaultImports(program.getCompilerOptions()), + defaultImportName: defaultImportName, + namedImports: namedImports, + statement: ts.cast(decl.parent.parent, ts.isVariableStatement), + required: ts.first(parent.arguments) + }; + } + } + function tryCreateNamedImportsFromObjectBindingPattern(node) { + var importSpecifiers = []; + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isIdentifier(element.name) || element.initializer) { + return undefined; + } + importSpecifiers.push(ts.factory.createImportSpecifier(/*isTypeOnly*/ false, ts.tryCast(element.propertyName, ts.isIdentifier), element.name)); + } + if (importSpecifiers.length) { + return ts.factory.createNamedImports(importSpecifiers); + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "useDefaultImport"; + var errorCodes = [ts.Diagnostics.Import_may_be_converted_to_a_default_import.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile, start = context.span.start; + var info = getInfo(sourceFile, start); + if (!info) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info, context.preferences); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_default_import, fixId, ts.Diagnostics.Convert_all_to_default_imports)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start); + if (info) + doChange(changes, diag.file, info, context.preferences); + }); }, + }); + function getInfo(sourceFile, pos) { + var name = ts.getTokenAtPosition(sourceFile, pos); + if (!ts.isIdentifier(name)) + return undefined; // bad input + var parent = name.parent; + if (ts.isImportEqualsDeclaration(parent) && ts.isExternalModuleReference(parent.moduleReference)) { + return { importNode: parent, name: name, moduleSpecifier: parent.moduleReference.expression }; + } + else if (ts.isNamespaceImport(parent)) { + var importNode = parent.parent.parent; + return { importNode: importNode, name: name, moduleSpecifier: importNode.moduleSpecifier }; + } + } + function doChange(changes, sourceFile, info, preferences) { + changes.replaceNode(sourceFile, info.importNode, ts.makeImport(info.name, /*namedImports*/ undefined, info.moduleSpecifier, ts.getQuotePreference(sourceFile, preferences))); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "useBigintLiteral"; + var errorCodes = [ + ts.Diagnostics.Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accurately_as_integers.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToUseBigintLiteral(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span); }); + if (changes.length > 0) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_a_bigint_numeric_literal, fixId, ts.Diagnostics.Convert_all_to_bigint_numeric_literals)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag); }); + }, + }); + function makeChange(changeTracker, sourceFile, span) { + var numericLiteral = ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start), ts.isNumericLiteral); + if (!numericLiteral) { + return; + } + // We use .getText to overcome parser inaccuracies: https://github.com/microsoft/TypeScript/issues/33298 + var newText = numericLiteral.getText(sourceFile) + "n"; + changeTracker.replaceNode(sourceFile, numericLiteral, ts.factory.createBigIntLiteral(newText)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixIdAddMissingTypeof = "fixAddModuleReferTypeMissingTypeof"; + var fixId = fixIdAddMissingTypeof; + var errorCodes = [ts.Diagnostics.Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToAddMissingTypeof(context) { + var sourceFile = context.sourceFile, span = context.span; + var importType = getImportTypeNode(sourceFile, span.start); + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, importType); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_typeof, fixId, ts.Diagnostics.Add_missing_typeof)]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + return doChange(changes, context.sourceFile, getImportTypeNode(diag.file, diag.start)); + }); }, + }); + function getImportTypeNode(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + ts.Debug.assert(token.kind === 100 /* SyntaxKind.ImportKeyword */, "This token should be an ImportKeyword"); + ts.Debug.assert(token.parent.kind === 200 /* SyntaxKind.ImportType */, "Token parent should be an ImportType"); + return token.parent; + } + function doChange(changes, sourceFile, importType) { + var newTypeNode = ts.factory.updateImportTypeNode(importType, importType.argument, importType.qualifier, importType.typeArguments, /* isTypeOf */ true); + changes.replaceNode(sourceFile, importType, newTypeNode); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixID = "wrapJsxInFragment"; + var errorCodes = [ts.Diagnostics.JSX_expressions_must_have_one_parent_element.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToWrapJsxInFragment(context) { + var sourceFile = context.sourceFile, span = context.span; + var node = findNodeToFix(sourceFile, span.start); + if (!node) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, node); }); + return [codefix.createCodeFixAction(fixID, changes, ts.Diagnostics.Wrap_in_JSX_fragment, fixID, ts.Diagnostics.Wrap_all_unparented_JSX_in_JSX_fragment)]; + }, + fixIds: [fixID], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var node = findNodeToFix(context.sourceFile, diag.start); + if (!node) + return undefined; + doChange(changes, context.sourceFile, node); + }); }, + }); + function findNodeToFix(sourceFile, pos) { + // The error always at 1st token that is "<" in "" + var lessThanToken = ts.getTokenAtPosition(sourceFile, pos); + var firstJsxElementOrOpenElement = lessThanToken.parent; + var binaryExpr = firstJsxElementOrOpenElement.parent; + if (!ts.isBinaryExpression(binaryExpr)) { + // In case the start element is a JsxSelfClosingElement, it the end. + // For JsxOpenElement, find one more parent + binaryExpr = binaryExpr.parent; + if (!ts.isBinaryExpression(binaryExpr)) + return undefined; + } + if (!ts.nodeIsMissing(binaryExpr.operatorToken)) + return undefined; + return binaryExpr; + } + function doChange(changeTracker, sf, node) { + var jsx = flattenInvalidBinaryExpr(node); + if (jsx) + changeTracker.replaceNode(sf, node, ts.factory.createJsxFragment(ts.factory.createJsxOpeningFragment(), jsx, ts.factory.createJsxJsxClosingFragment())); + } + // The invalid syntax is constructed as + // InvalidJsxTree :: One of + // JsxElement CommaToken InvalidJsxTree + // JsxElement CommaToken JsxElement + function flattenInvalidBinaryExpr(node) { + var children = []; + var current = node; + while (true) { + if (ts.isBinaryExpression(current) && ts.nodeIsMissing(current.operatorToken) && current.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + children.push(current.left); + if (ts.isJsxChild(current.right)) { + children.push(current.right); + // Indicates the tree has go to the bottom + return children; + } + else if (ts.isBinaryExpression(current.right)) { + current = current.right; + continue; + } + // Unreachable case + else + return undefined; + } + // Unreachable case + else + return undefined; + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixConvertToMappedObjectType"; + var errorCodes = [ts.Diagnostics.An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_object_type_instead.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToConvertToMappedTypeObject(context) { + var sourceFile = context.sourceFile, span = context.span; + var info = getInfo(sourceFile, span.start); + if (!info) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); }); + var name = ts.idText(info.container.name); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Convert_0_to_mapped_object_type, name], fixId, [ts.Diagnostics.Convert_0_to_mapped_object_type, name])]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start); + if (info) + doChange(changes, diag.file, info); + }); } + }); + function getInfo(sourceFile, pos) { + var token = ts.getTokenAtPosition(sourceFile, pos); + var indexSignature = ts.tryCast(token.parent.parent, ts.isIndexSignatureDeclaration); + if (!indexSignature) + return undefined; + var container = ts.isInterfaceDeclaration(indexSignature.parent) ? indexSignature.parent : ts.tryCast(indexSignature.parent.parent, ts.isTypeAliasDeclaration); + if (!container) + return undefined; + return { indexSignature: indexSignature, container: container }; + } + function createTypeAliasFromInterface(declaration, type) { + return ts.factory.createTypeAliasDeclaration(declaration.decorators, declaration.modifiers, declaration.name, declaration.typeParameters, type); + } + function doChange(changes, sourceFile, _a) { + var indexSignature = _a.indexSignature, container = _a.container; + var members = ts.isInterfaceDeclaration(container) ? container.members : container.type.members; + var otherMembers = members.filter(function (member) { return !ts.isIndexSignatureDeclaration(member); }); + var parameter = ts.first(indexSignature.parameters); + var mappedTypeParameter = ts.factory.createTypeParameterDeclaration(/*modifiers*/ undefined, ts.cast(parameter.name, ts.isIdentifier), parameter.type); + var mappedIntersectionType = ts.factory.createMappedTypeNode(ts.hasEffectiveReadonlyModifier(indexSignature) ? ts.factory.createModifier(145 /* SyntaxKind.ReadonlyKeyword */) : undefined, mappedTypeParameter, + /*nameType*/ undefined, indexSignature.questionToken, indexSignature.type, + /*members*/ undefined); + var intersectionType = ts.factory.createIntersectionTypeNode(__spreadArray(__spreadArray(__spreadArray([], ts.getAllSuperTypeNodes(container), true), [ + mappedIntersectionType + ], false), (otherMembers.length ? [ts.factory.createTypeLiteralNode(otherMembers)] : ts.emptyArray), true)); + changes.replaceNode(sourceFile, container, createTypeAliasFromInterface(container, intersectionType)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "removeAccidentalCallParentheses"; + var errorCodes = [ + ts.Diagnostics.This_expression_is_not_callable_because_it_is_a_get_accessor_Did_you_mean_to_use_it_without.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var callExpression = ts.findAncestor(ts.getTokenAtPosition(context.sourceFile, context.span.start), ts.isCallExpression); + if (!callExpression) { + return undefined; + } + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { + t.deleteRange(context.sourceFile, { pos: callExpression.expression.end, end: callExpression.end }); + }); + return [codefix.createCodeFixActionWithoutFixAll(fixId, changes, ts.Diagnostics.Remove_parentheses)]; + }, + fixIds: [fixId], + }); + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "removeUnnecessaryAwait"; + var errorCodes = [ + ts.Diagnostics.await_has_no_effect_on_the_type_of_this_expression.code, + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToRemoveUnnecessaryAwait(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span); }); + if (changes.length > 0) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_unnecessary_await, fixId, ts.Diagnostics.Remove_all_unnecessary_uses_of_await)]; + } + }, + fixIds: [fixId], + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag); }); + }, + }); + function makeChange(changeTracker, sourceFile, span) { + var awaitKeyword = ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start), function (node) { return node.kind === 132 /* SyntaxKind.AwaitKeyword */; }); + var awaitExpression = awaitKeyword && ts.tryCast(awaitKeyword.parent, ts.isAwaitExpression); + if (!awaitExpression) { + return; + } + var expressionToReplace = awaitExpression; + var hasSurroundingParens = ts.isParenthesizedExpression(awaitExpression.parent); + if (hasSurroundingParens) { + var leftMostExpression = ts.getLeftmostExpression(awaitExpression.expression, /*stopAtCallExpressions*/ false); + if (ts.isIdentifier(leftMostExpression)) { + var precedingToken = ts.findPrecedingToken(awaitExpression.parent.pos, sourceFile); + if (precedingToken && precedingToken.kind !== 103 /* SyntaxKind.NewKeyword */) { + expressionToReplace = awaitExpression.parent; + } + } + } + changeTracker.replaceNode(sourceFile, expressionToReplace, awaitExpression.expression); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var errorCodes = [ts.Diagnostics.A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both.code]; + var fixId = "splitTypeOnlyImport"; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixId], + getCodeActions: function getCodeActionsToSplitTypeOnlyImport(context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { + return splitTypeOnlyImport(t, getImportDeclaration(context.sourceFile, context.span), context); + }); + if (changes.length) { + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Split_into_two_separate_import_declarations, fixId, ts.Diagnostics.Split_all_invalid_type_only_imports)]; + } + }, + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, error) { + splitTypeOnlyImport(changes, getImportDeclaration(context.sourceFile, error), context); + }); }, + }); + function getImportDeclaration(sourceFile, span) { + return ts.findAncestor(ts.getTokenAtPosition(sourceFile, span.start), ts.isImportDeclaration); + } + function splitTypeOnlyImport(changes, importDeclaration, context) { + if (!importDeclaration) { + return; + } + var importClause = ts.Debug.checkDefined(importDeclaration.importClause); + changes.replaceNode(context.sourceFile, importDeclaration, ts.factory.updateImportDeclaration(importDeclaration, importDeclaration.decorators, importDeclaration.modifiers, ts.factory.updateImportClause(importClause, importClause.isTypeOnly, importClause.name, /*namedBindings*/ undefined), importDeclaration.moduleSpecifier, importDeclaration.assertClause)); + changes.insertNodeAfter(context.sourceFile, importDeclaration, ts.factory.createImportDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.updateImportClause(importClause, importClause.isTypeOnly, /*name*/ undefined, importClause.namedBindings), importDeclaration.moduleSpecifier, importDeclaration.assertClause)); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixConvertConstToLet"; + var errorCodes = [ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_constant.code]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function getCodeActionsToConvertConstToLet(context) { + var sourceFile = context.sourceFile, span = context.span, program = context.program; + var range = getConstTokenRange(sourceFile, span.start, program); + if (range === undefined) + return; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, range); }); + return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_const_to_let, fixId, ts.Diagnostics.Convert_const_to_let)]; + }, + fixIds: [fixId] + }); + function getConstTokenRange(sourceFile, pos, program) { + var _a; + var checker = program.getTypeChecker(); + var symbol = checker.getSymbolAtLocation(ts.getTokenAtPosition(sourceFile, pos)); + var declaration = ts.tryCast((_a = symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration) === null || _a === void 0 ? void 0 : _a.parent, ts.isVariableDeclarationList); + if (declaration === undefined) + return; + var constToken = ts.findChildOfKind(declaration, 85 /* SyntaxKind.ConstKeyword */, sourceFile); + if (constToken === undefined) + return; + return ts.createRange(constToken.pos, constToken.end); + } + function doChange(changes, sourceFile, range) { + changes.replaceRangeWithText(sourceFile, range, "let"); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixId = "fixExpectedComma"; + var expectedErrorCode = ts.Diagnostics._0_expected.code; + var errorCodes = [expectedErrorCode]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var info = getInfo(sourceFile, context.span.start, context.errorCode); + if (!info) + return undefined; + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); }); + return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Change_0_to_1, ";", ","], fixId, [ts.Diagnostics.Change_0_to_1, ";", ","])]; + }, + fixIds: [fixId], + getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { + var info = getInfo(diag.file, diag.start, diag.code); + if (info) + doChange(changes, context.sourceFile, info); + }); }, + }); + function getInfo(sourceFile, pos, _) { + var node = ts.getTokenAtPosition(sourceFile, pos); + return (node.kind === 26 /* SyntaxKind.SemicolonToken */ && + node.parent && + (ts.isObjectLiteralExpression(node.parent) || + ts.isArrayLiteralExpression(node.parent))) ? { node: node } : undefined; + } + function doChange(changes, sourceFile, _a) { + var node = _a.node; + var newNode = ts.factory.createToken(27 /* SyntaxKind.CommaToken */); + changes.replaceNode(sourceFile, node, newNode); + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var fixName = "addVoidToPromise"; + var fixId = "addVoidToPromise"; + var errorCodes = [ + ts.Diagnostics.Expected_1_argument_but_got_0_new_Promise_needs_a_JSDoc_hint_to_produce_a_resolve_that_can_be_called_without_arguments.code, + ts.Diagnostics.Expected_0_arguments_but_got_1_Did_you_forget_to_include_void_in_your_type_argument_to_Promise.code + ]; + codefix.registerCodeFix({ + errorCodes: errorCodes, + fixIds: [fixId], + getCodeActions: function (context) { + var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span, context.program); }); + if (changes.length > 0) { + return [codefix.createCodeFixAction(fixName, changes, ts.Diagnostics.Add_void_to_Promise_resolved_without_a_value, fixId, ts.Diagnostics.Add_void_to_all_Promises_resolved_without_a_value)]; + } + }, + getAllCodeActions: function (context) { + return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag, context.program, new ts.Set()); }); + } + }); + function makeChange(changes, sourceFile, span, program, seen) { + var node = ts.getTokenAtPosition(sourceFile, span.start); + if (!ts.isIdentifier(node) || !ts.isCallExpression(node.parent) || node.parent.expression !== node || node.parent.arguments.length !== 0) + return; + var checker = program.getTypeChecker(); + var symbol = checker.getSymbolAtLocation(node); + // decl should be `new Promise(() => {})` + var decl = symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration; + if (!decl || !ts.isParameter(decl) || !ts.isNewExpression(decl.parent.parent)) + return; + // no need to make this change if we have already seen this parameter. + if (seen === null || seen === void 0 ? void 0 : seen.has(decl)) + return; + seen === null || seen === void 0 ? void 0 : seen.add(decl); + var typeArguments = getEffectiveTypeArguments(decl.parent.parent); + if (ts.some(typeArguments)) { + // append ` | void` to type argument + var typeArgument = typeArguments[0]; + var needsParens = !ts.isUnionTypeNode(typeArgument) && !ts.isParenthesizedTypeNode(typeArgument) && + ts.isParenthesizedTypeNode(ts.factory.createUnionTypeNode([typeArgument, ts.factory.createKeywordTypeNode(114 /* SyntaxKind.VoidKeyword */)]).types[0]); + if (needsParens) { + changes.insertText(sourceFile, typeArgument.pos, "("); + } + changes.insertText(sourceFile, typeArgument.end, needsParens ? ") | void" : " | void"); + } + else { + // make sure the Promise is type is untyped (i.e., `unknown`) + var signature = checker.getResolvedSignature(node.parent); + var parameter = signature === null || signature === void 0 ? void 0 : signature.parameters[0]; + var parameterType = parameter && checker.getTypeOfSymbolAtLocation(parameter, decl.parent.parent); + if (ts.isInJSFile(decl)) { + if (!parameterType || parameterType.flags & 3 /* TypeFlags.AnyOrUnknown */) { + // give the expression a type + changes.insertText(sourceFile, decl.parent.parent.end, ")"); + changes.insertText(sourceFile, ts.skipTrivia(sourceFile.text, decl.parent.parent.pos), "/** @type {Promise} */("); + } + } + else { + if (!parameterType || parameterType.flags & 2 /* TypeFlags.Unknown */) { + // add `void` type argument + changes.insertText(sourceFile, decl.parent.parent.expression.end, ""); + } + } + } + } + function getEffectiveTypeArguments(node) { + var _a; + if (ts.isInJSFile(node)) { + if (ts.isParenthesizedExpression(node.parent)) { + var jsDocType = (_a = ts.getJSDocTypeTag(node.parent)) === null || _a === void 0 ? void 0 : _a.typeExpression.type; + if (jsDocType && ts.isTypeReferenceNode(jsDocType) && ts.isIdentifier(jsDocType.typeName) && ts.idText(jsDocType.typeName) === "Promise") { + return jsDocType.typeArguments; + } + } + } + else { + return node.typeArguments; + } + } + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var refactorName = "Convert export"; + var defaultToNamedAction = { + name: "Convert default export to named export", + description: ts.Diagnostics.Convert_default_export_to_named_export.message, + kind: "refactor.rewrite.export.named" + }; + var namedToDefaultAction = { + name: "Convert named export to default export", + description: ts.Diagnostics.Convert_named_export_to_default_export.message, + kind: "refactor.rewrite.export.default" + }; + refactor.registerRefactor(refactorName, { + kinds: [ + defaultToNamedAction.kind, + namedToDefaultAction.kind + ], + getAvailableActions: function getRefactorActionsToConvertBetweenNamedAndDefaultExports(context) { + var info = getInfo(context, context.triggerReason === "invoked"); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + var action = info.wasDefault ? defaultToNamedAction : namedToDefaultAction; + return [{ name: refactorName, description: action.description, actions: [action] }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [ + { name: refactorName, description: ts.Diagnostics.Convert_default_export_to_named_export.message, actions: [ + __assign(__assign({}, defaultToNamedAction), { notApplicableReason: info.error }), + __assign(__assign({}, namedToDefaultAction), { notApplicableReason: info.error }), + ] } + ]; + } + return ts.emptyArray; + }, + getEditsForAction: function getRefactorEditsToConvertBetweenNamedAndDefaultExports(context, actionName) { + ts.Debug.assert(actionName === defaultToNamedAction.name || actionName === namedToDefaultAction.name, "Unexpected action name"); + var info = getInfo(context); + ts.Debug.assert(info && !refactor.isRefactorErrorInfo(info), "Expected applicable refactor info"); + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, context.program, info, t, context.cancellationToken); }); + return { edits: edits, renameFilename: undefined, renameLocation: undefined }; + }, + }); + ; + function getInfo(context, considerPartialSpans) { + if (considerPartialSpans === void 0) { considerPartialSpans = true; } + var file = context.file, program = context.program; + var span = ts.getRefactorContextSpan(context); + var token = ts.getTokenAtPosition(file, span.start); + var exportNode = !!(token.parent && ts.getSyntacticModifierFlags(token.parent) & 1 /* ModifierFlags.Export */) && considerPartialSpans ? token.parent : ts.getParentNodeInSpan(token, file, span); + if (!exportNode || (!ts.isSourceFile(exportNode.parent) && !(ts.isModuleBlock(exportNode.parent) && ts.isAmbientModule(exportNode.parent.parent)))) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_export_statement) }; + } + var exportingModuleSymbol = ts.isSourceFile(exportNode.parent) ? exportNode.parent.symbol : exportNode.parent.parent.symbol; + var flags = ts.getSyntacticModifierFlags(exportNode) || ((ts.isExportAssignment(exportNode) && !exportNode.isExportEquals) ? 513 /* ModifierFlags.ExportDefault */ : 0 /* ModifierFlags.None */); + var wasDefault = !!(flags & 512 /* ModifierFlags.Default */); + // If source file already has a default export, don't offer refactor. + if (!(flags & 1 /* ModifierFlags.Export */) || !wasDefault && exportingModuleSymbol.exports.has("default" /* InternalSymbolName.Default */)) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.This_file_already_has_a_default_export) }; + } + var checker = program.getTypeChecker(); + var noSymbolError = function (id) { + return (ts.isIdentifier(id) && checker.getSymbolAtLocation(id)) ? undefined + : { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Can_only_convert_named_export) }; + }; + switch (exportNode.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: { + var node = exportNode; + if (!node.name) + return undefined; + return noSymbolError(node.name) + || { exportNode: node, exportName: node.name, wasDefault: wasDefault, exportingModuleSymbol: exportingModuleSymbol }; + } + case 237 /* SyntaxKind.VariableStatement */: { + var vs = exportNode; + // Must be `export const x = something;`. + if (!(vs.declarationList.flags & 2 /* NodeFlags.Const */) || vs.declarationList.declarations.length !== 1) { + return undefined; + } + var decl = ts.first(vs.declarationList.declarations); + if (!decl.initializer) + return undefined; + ts.Debug.assert(!wasDefault, "Can't have a default flag here"); + return noSymbolError(decl.name) + || { exportNode: vs, exportName: decl.name, wasDefault: wasDefault, exportingModuleSymbol: exportingModuleSymbol }; + } + case 271 /* SyntaxKind.ExportAssignment */: { + var node = exportNode; + if (node.isExportEquals) + return undefined; + return noSymbolError(node.expression) + || { exportNode: node, exportName: node.expression, wasDefault: wasDefault, exportingModuleSymbol: exportingModuleSymbol }; + } + default: + return undefined; + } + } + function doChange(exportingSourceFile, program, info, changes, cancellationToken) { + changeExport(exportingSourceFile, info, changes, program.getTypeChecker()); + changeImports(program, info, changes, cancellationToken); + } + function changeExport(exportingSourceFile, _a, changes, checker) { + var wasDefault = _a.wasDefault, exportNode = _a.exportNode, exportName = _a.exportName; + if (wasDefault) { + if (ts.isExportAssignment(exportNode) && !exportNode.isExportEquals) { + var exp = exportNode.expression; + var spec = makeExportSpecifier(exp.text, exp.text); + changes.replaceNode(exportingSourceFile, exportNode, ts.factory.createExportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*isTypeOnly*/ false, ts.factory.createNamedExports([spec]))); + } + else { + changes.delete(exportingSourceFile, ts.Debug.checkDefined(ts.findModifier(exportNode, 88 /* SyntaxKind.DefaultKeyword */), "Should find a default keyword in modifier list")); + } + } + else { + var exportKeyword = ts.Debug.checkDefined(ts.findModifier(exportNode, 93 /* SyntaxKind.ExportKeyword */), "Should find an export keyword in modifier list"); + switch (exportNode.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + changes.insertNodeAfter(exportingSourceFile, exportKeyword, ts.factory.createToken(88 /* SyntaxKind.DefaultKeyword */)); + break; + case 237 /* SyntaxKind.VariableStatement */: + // If 'x' isn't used in this file and doesn't have type definition, `export const x = 0;` --> `export default 0;` + var decl = ts.first(exportNode.declarationList.declarations); + if (!ts.FindAllReferences.Core.isSymbolReferencedInFile(exportName, checker, exportingSourceFile) && !decl.type) { + // We checked in `getInfo` that an initializer exists. + changes.replaceNode(exportingSourceFile, exportNode, ts.factory.createExportDefault(ts.Debug.checkDefined(decl.initializer, "Initializer was previously known to be present"))); + break; + } + // falls through + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + // `export type T = number;` -> `type T = number; export default T;` + changes.deleteModifier(exportingSourceFile, exportKeyword); + changes.insertNodeAfter(exportingSourceFile, exportNode, ts.factory.createExportDefault(ts.factory.createIdentifier(exportName.text))); + break; + default: + ts.Debug.fail("Unexpected exportNode kind ".concat(exportNode.kind)); + } + } + } + function changeImports(program, _a, changes, cancellationToken) { + var wasDefault = _a.wasDefault, exportName = _a.exportName, exportingModuleSymbol = _a.exportingModuleSymbol; + var checker = program.getTypeChecker(); + var exportSymbol = ts.Debug.checkDefined(checker.getSymbolAtLocation(exportName), "Export name should resolve to a symbol"); + ts.FindAllReferences.Core.eachExportReference(program.getSourceFiles(), checker, cancellationToken, exportSymbol, exportingModuleSymbol, exportName.text, wasDefault, function (ref) { + var importingSourceFile = ref.getSourceFile(); + if (wasDefault) { + changeDefaultToNamedImport(importingSourceFile, ref, changes, exportName.text); + } + else { + changeNamedToDefaultImport(importingSourceFile, ref, changes); + } + }); + } + function changeDefaultToNamedImport(importingSourceFile, ref, changes, exportName) { + var parent = ref.parent; + switch (parent.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + // `a.default` --> `a.foo` + changes.replaceNode(importingSourceFile, ref, ts.factory.createIdentifier(exportName)); + break; + case 270 /* SyntaxKind.ImportSpecifier */: + case 275 /* SyntaxKind.ExportSpecifier */: { + var spec = parent; + // `default as foo` --> `foo`, `default as bar` --> `foo as bar` + changes.replaceNode(importingSourceFile, spec, makeImportSpecifier(exportName, spec.name.text)); + break; + } + case 267 /* SyntaxKind.ImportClause */: { + var clause = parent; + ts.Debug.assert(clause.name === ref, "Import clause name should match provided ref"); + var spec = makeImportSpecifier(exportName, ref.text); + var namedBindings = clause.namedBindings; + if (!namedBindings) { + // `import foo from "./a";` --> `import { foo } from "./a";` + changes.replaceNode(importingSourceFile, ref, ts.factory.createNamedImports([spec])); + } + else if (namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + // `import foo, * as a from "./a";` --> `import * as a from ".a/"; import { foo } from "./a";` + changes.deleteRange(importingSourceFile, { pos: ref.getStart(importingSourceFile), end: namedBindings.getStart(importingSourceFile) }); + var quotePreference = ts.isStringLiteral(clause.parent.moduleSpecifier) ? ts.quotePreferenceFromString(clause.parent.moduleSpecifier, importingSourceFile) : 1 /* QuotePreference.Double */; + var newImport = ts.makeImport(/*default*/ undefined, [makeImportSpecifier(exportName, ref.text)], clause.parent.moduleSpecifier, quotePreference); + changes.insertNodeAfter(importingSourceFile, clause.parent, newImport); + } + else { + // `import foo, { bar } from "./a"` --> `import { bar, foo } from "./a";` + changes.delete(importingSourceFile, ref); + changes.insertNodeAtEndOfList(importingSourceFile, namedBindings.elements, spec); + } + break; + } + case 200 /* SyntaxKind.ImportType */: + var importTypeNode = parent; + changes.replaceNode(importingSourceFile, parent, ts.factory.createImportTypeNode(importTypeNode.argument, ts.factory.createIdentifier(exportName), importTypeNode.typeArguments, importTypeNode.isTypeOf)); + break; + default: + ts.Debug.failBadSyntaxKind(parent); + } + } + function changeNamedToDefaultImport(importingSourceFile, ref, changes) { + var parent = ref.parent; + switch (parent.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + // `a.foo` --> `a.default` + changes.replaceNode(importingSourceFile, ref, ts.factory.createIdentifier("default")); + break; + case 270 /* SyntaxKind.ImportSpecifier */: { + // `import { foo } from "./a";` --> `import foo from "./a";` + // `import { foo as bar } from "./a";` --> `import bar from "./a";` + var defaultImport = ts.factory.createIdentifier(parent.name.text); + if (parent.parent.elements.length === 1) { + changes.replaceNode(importingSourceFile, parent.parent, defaultImport); + } + else { + changes.delete(importingSourceFile, parent); + changes.insertNodeBefore(importingSourceFile, parent.parent, defaultImport); + } + break; + } + case 275 /* SyntaxKind.ExportSpecifier */: { + // `export { foo } from "./a";` --> `export { default as foo } from "./a";` + // `export { foo as bar } from "./a";` --> `export { default as bar } from "./a";` + // `export { foo as default } from "./a";` --> `export { default } from "./a";` + // (Because `export foo from "./a";` isn't valid syntax.) + changes.replaceNode(importingSourceFile, parent, makeExportSpecifier("default", parent.name.text)); + break; + } + default: + ts.Debug.assertNever(parent, "Unexpected parent kind ".concat(parent.kind)); + } + } + function makeImportSpecifier(propertyName, name) { + return ts.factory.createImportSpecifier(/*isTypeOnly*/ false, propertyName === name ? undefined : ts.factory.createIdentifier(propertyName), ts.factory.createIdentifier(name)); + } + function makeExportSpecifier(propertyName, name) { + return ts.factory.createExportSpecifier(/*isTypeOnly*/ false, propertyName === name ? undefined : ts.factory.createIdentifier(propertyName), ts.factory.createIdentifier(name)); + } + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var _a; + var refactorName = "Convert import"; + var actions = (_a = {}, + _a[0 /* ImportKind.Named */] = { + name: "Convert namespace import to named imports", + description: ts.Diagnostics.Convert_namespace_import_to_named_imports.message, + kind: "refactor.rewrite.import.named", + }, + _a[2 /* ImportKind.Namespace */] = { + name: "Convert named imports to namespace import", + description: ts.Diagnostics.Convert_named_imports_to_namespace_import.message, + kind: "refactor.rewrite.import.namespace", + }, + _a[1 /* ImportKind.Default */] = { + name: "Convert named imports to default import", + description: ts.Diagnostics.Convert_named_imports_to_default_import.message, + kind: "refactor.rewrite.import.default", + }, + _a); + refactor.registerRefactor(refactorName, { + kinds: ts.getOwnValues(actions).map(function (a) { return a.kind; }), + getAvailableActions: function getRefactorActionsToConvertBetweenNamedAndNamespacedImports(context) { + var info = getImportConversionInfo(context, context.triggerReason === "invoked"); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + var action = actions[info.convertTo]; + return [{ name: refactorName, description: action.description, actions: [action] }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return ts.getOwnValues(actions).map(function (action) { return ({ + name: refactorName, + description: action.description, + actions: [__assign(__assign({}, action), { notApplicableReason: info.error })] + }); }); + } + return ts.emptyArray; + }, + getEditsForAction: function getRefactorEditsToConvertBetweenNamedAndNamespacedImports(context, actionName) { + ts.Debug.assert(ts.some(ts.getOwnValues(actions), function (action) { return action.name === actionName; }), "Unexpected action name"); + var info = getImportConversionInfo(context); + ts.Debug.assert(info && !refactor.isRefactorErrorInfo(info), "Expected applicable refactor info"); + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, context.program, t, info); }); + return { edits: edits, renameFilename: undefined, renameLocation: undefined }; + } + }); + function getImportConversionInfo(context, considerPartialSpans) { + if (considerPartialSpans === void 0) { considerPartialSpans = true; } + var file = context.file; + var span = ts.getRefactorContextSpan(context); + var token = ts.getTokenAtPosition(file, span.start); + var importDecl = considerPartialSpans ? ts.findAncestor(token, ts.isImportDeclaration) : ts.getParentNodeInSpan(token, file, span); + if (!importDecl || !ts.isImportDeclaration(importDecl)) + return { error: "Selection is not an import declaration." }; + var end = span.start + span.length; + var nextToken = ts.findNextToken(importDecl, importDecl.parent, file); + if (nextToken && end > nextToken.getStart()) + return undefined; + var importClause = importDecl.importClause; + if (!importClause) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_import_clause) }; + } + if (!importClause.namedBindings) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_namespace_import_or_named_imports) }; + } + if (importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + return { convertTo: 0 /* ImportKind.Named */, import: importClause.namedBindings }; + } + var shouldUseDefault = getShouldUseDefault(context.program, importClause); + return shouldUseDefault + ? { convertTo: 1 /* ImportKind.Default */, import: importClause.namedBindings } + : { convertTo: 2 /* ImportKind.Namespace */, import: importClause.namedBindings }; + } + function getShouldUseDefault(program, importClause) { + return ts.getAllowSyntheticDefaultImports(program.getCompilerOptions()) + && isExportEqualsModule(importClause.parent.moduleSpecifier, program.getTypeChecker()); + } + function doChange(sourceFile, program, changes, info) { + var checker = program.getTypeChecker(); + if (info.convertTo === 0 /* ImportKind.Named */) { + doChangeNamespaceToNamed(sourceFile, checker, changes, info.import, ts.getAllowSyntheticDefaultImports(program.getCompilerOptions())); + } + else { + doChangeNamedToNamespaceOrDefault(sourceFile, program, changes, info.import, info.convertTo === 1 /* ImportKind.Default */); + } + } + function doChangeNamespaceToNamed(sourceFile, checker, changes, toConvert, allowSyntheticDefaultImports) { + var usedAsNamespaceOrDefault = false; + var nodesToReplace = []; + var conflictingNames = new ts.Map(); + ts.FindAllReferences.Core.eachSymbolReferenceInFile(toConvert.name, checker, sourceFile, function (id) { + if (!ts.isPropertyAccessOrQualifiedName(id.parent)) { + usedAsNamespaceOrDefault = true; + } + else { + var exportName = getRightOfPropertyAccessOrQualifiedName(id.parent).text; + if (checker.resolveName(exportName, id, 67108863 /* SymbolFlags.All */, /*excludeGlobals*/ true)) { + conflictingNames.set(exportName, true); + } + ts.Debug.assert(getLeftOfPropertyAccessOrQualifiedName(id.parent) === id, "Parent expression should match id"); + nodesToReplace.push(id.parent); + } + }); + // We may need to change `mod.x` to `_x` to avoid a name conflict. + var exportNameToImportName = new ts.Map(); + for (var _i = 0, nodesToReplace_1 = nodesToReplace; _i < nodesToReplace_1.length; _i++) { + var propertyAccessOrQualifiedName = nodesToReplace_1[_i]; + var exportName = getRightOfPropertyAccessOrQualifiedName(propertyAccessOrQualifiedName).text; + var importName = exportNameToImportName.get(exportName); + if (importName === undefined) { + exportNameToImportName.set(exportName, importName = conflictingNames.has(exportName) ? ts.getUniqueName(exportName, sourceFile) : exportName); + } + changes.replaceNode(sourceFile, propertyAccessOrQualifiedName, ts.factory.createIdentifier(importName)); + } + var importSpecifiers = []; + exportNameToImportName.forEach(function (name, propertyName) { + importSpecifiers.push(ts.factory.createImportSpecifier(/*isTypeOnly*/ false, name === propertyName ? undefined : ts.factory.createIdentifier(propertyName), ts.factory.createIdentifier(name))); + }); + var importDecl = toConvert.parent.parent; + if (usedAsNamespaceOrDefault && !allowSyntheticDefaultImports) { + // Need to leave the namespace import alone + changes.insertNodeAfter(sourceFile, importDecl, updateImport(importDecl, /*defaultImportName*/ undefined, importSpecifiers)); + } + else { + changes.replaceNode(sourceFile, importDecl, updateImport(importDecl, usedAsNamespaceOrDefault ? ts.factory.createIdentifier(toConvert.name.text) : undefined, importSpecifiers)); + } + } + function getRightOfPropertyAccessOrQualifiedName(propertyAccessOrQualifiedName) { + return ts.isPropertyAccessExpression(propertyAccessOrQualifiedName) ? propertyAccessOrQualifiedName.name : propertyAccessOrQualifiedName.right; + } + function getLeftOfPropertyAccessOrQualifiedName(propertyAccessOrQualifiedName) { + return ts.isPropertyAccessExpression(propertyAccessOrQualifiedName) ? propertyAccessOrQualifiedName.expression : propertyAccessOrQualifiedName.left; + } + function doChangeNamedToNamespaceOrDefault(sourceFile, program, changes, toConvert, shouldUseDefault) { + if (shouldUseDefault === void 0) { shouldUseDefault = getShouldUseDefault(program, toConvert.parent); } + var checker = program.getTypeChecker(); + var importDecl = toConvert.parent.parent; + var moduleSpecifier = importDecl.moduleSpecifier; + var toConvertSymbols = new ts.Set(); + toConvert.elements.forEach(function (namedImport) { + var symbol = checker.getSymbolAtLocation(namedImport.name); + if (symbol) { + toConvertSymbols.add(symbol); + } + }); + var preferredName = moduleSpecifier && ts.isStringLiteral(moduleSpecifier) ? ts.codefix.moduleSpecifierToValidIdentifier(moduleSpecifier.text, 99 /* ScriptTarget.ESNext */) : "module"; + function hasNamespaceNameConflict(namedImport) { + // We need to check if the preferred namespace name (`preferredName`) we'd like to use in the refactored code will present a name conflict. + // A name conflict means that, in a scope where we would like to use the preferred namespace name, there already exists a symbol with that name in that scope. + // We are going to use the namespace name in the scopes the named imports being refactored are referenced, + // so we look for conflicts by looking at every reference to those named imports. + return !!ts.FindAllReferences.Core.eachSymbolReferenceInFile(namedImport.name, checker, sourceFile, function (id) { + var symbol = checker.resolveName(preferredName, id, 67108863 /* SymbolFlags.All */, /*excludeGlobals*/ true); + if (symbol) { // There already is a symbol with the same name as the preferred namespace name. + if (toConvertSymbols.has(symbol)) { // `preferredName` resolves to a symbol for one of the named import references we are going to transform into namespace import references... + return ts.isExportSpecifier(id.parent); // ...but if this reference is an export specifier, it will not be transformed, so it is a conflict; otherwise, it will be renamed and is not a conflict. + } + return true; // `preferredName` resolves to any other symbol, which will be present in the refactored code and so poses a name conflict. + } + return false; // There is no symbol with the same name as the preferred namespace name, so no conflict. + }); + } + var namespaceNameConflicts = toConvert.elements.some(hasNamespaceNameConflict); + var namespaceImportName = namespaceNameConflicts ? ts.getUniqueName(preferredName, sourceFile) : preferredName; + // Imports that need to be kept as named imports in the refactored code, to avoid changing the semantics. + // More specifically, those are named imports that appear in named exports in the original code, e.g. `a` in `import { a } from "m"; export { a }`. + var neededNamedImports = new ts.Set(); + var _loop_17 = function (element) { + var propertyName = (element.propertyName || element.name).text; + ts.FindAllReferences.Core.eachSymbolReferenceInFile(element.name, checker, sourceFile, function (id) { + var access = ts.factory.createPropertyAccessExpression(ts.factory.createIdentifier(namespaceImportName), propertyName); + if (ts.isShorthandPropertyAssignment(id.parent)) { + changes.replaceNode(sourceFile, id.parent, ts.factory.createPropertyAssignment(id.text, access)); + } + else if (ts.isExportSpecifier(id.parent)) { + neededNamedImports.add(element); + } + else { + changes.replaceNode(sourceFile, id, access); + } + }); + }; + for (var _i = 0, _a = toConvert.elements; _i < _a.length; _i++) { + var element = _a[_i]; + _loop_17(element); + } + changes.replaceNode(sourceFile, toConvert, shouldUseDefault + ? ts.factory.createIdentifier(namespaceImportName) + : ts.factory.createNamespaceImport(ts.factory.createIdentifier(namespaceImportName))); + if (neededNamedImports.size) { + var newNamedImports = ts.arrayFrom(neededNamedImports.values()).map(function (element) { + return ts.factory.createImportSpecifier(element.isTypeOnly, element.propertyName && ts.factory.createIdentifier(element.propertyName.text), ts.factory.createIdentifier(element.name.text)); + }); + changes.insertNodeAfter(sourceFile, toConvert.parent.parent, updateImport(importDecl, /*defaultImportName*/ undefined, newNamedImports)); + } + } + refactor.doChangeNamedToNamespaceOrDefault = doChangeNamedToNamespaceOrDefault; + function isExportEqualsModule(moduleSpecifier, checker) { + var externalModule = checker.resolveExternalModuleName(moduleSpecifier); + if (!externalModule) + return false; + var exportEquals = checker.resolveExternalModuleSymbol(externalModule); + return externalModule !== exportEquals; + } + function updateImport(old, defaultImportName, elements) { + return ts.factory.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, defaultImportName, elements && elements.length ? ts.factory.createNamedImports(elements) : undefined), old.moduleSpecifier, /*assertClause*/ undefined); + } + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var convertToOptionalChainExpression; + (function (convertToOptionalChainExpression) { + var refactorName = "Convert to optional chain expression"; + var convertToOptionalChainExpressionMessage = ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_to_optional_chain_expression); + var toOptionalChainAction = { + name: refactorName, + description: convertToOptionalChainExpressionMessage, + kind: "refactor.rewrite.expression.optionalChain", + }; + refactor.registerRefactor(refactorName, { + kinds: [toOptionalChainAction.kind], + getEditsForAction: getRefactorEditsToConvertToOptionalChain, + getAvailableActions: getRefactorActionsToConvertToOptionalChain, + }); + function getRefactorActionsToConvertToOptionalChain(context) { + var info = getInfo(context, context.triggerReason === "invoked"); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + return [{ + name: refactorName, + description: convertToOptionalChainExpressionMessage, + actions: [toOptionalChainAction], + }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [{ + name: refactorName, + description: convertToOptionalChainExpressionMessage, + actions: [__assign(__assign({}, toOptionalChainAction), { notApplicableReason: info.error })], + }]; + } + return ts.emptyArray; + } + function getRefactorEditsToConvertToOptionalChain(context, actionName) { + var info = getInfo(context); + ts.Debug.assert(info && !refactor.isRefactorErrorInfo(info), "Expected applicable refactor info"); + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { + return doChange(context.file, context.program.getTypeChecker(), t, info, actionName); + }); + return { edits: edits, renameFilename: undefined, renameLocation: undefined }; + } + ; + function isValidExpression(node) { + return ts.isBinaryExpression(node) || ts.isConditionalExpression(node); + } + function isValidStatement(node) { + return ts.isExpressionStatement(node) || ts.isReturnStatement(node) || ts.isVariableStatement(node); + } + function isValidExpressionOrStatement(node) { + return isValidExpression(node) || isValidStatement(node); + } + function getInfo(context, considerEmptySpans) { + if (considerEmptySpans === void 0) { considerEmptySpans = true; } + var file = context.file, program = context.program; + var span = ts.getRefactorContextSpan(context); + var forEmptySpan = span.length === 0; + if (forEmptySpan && !considerEmptySpans) + return undefined; + // selecting fo[|o && foo.ba|]r should be valid, so adjust span to fit start and end tokens + var startToken = ts.getTokenAtPosition(file, span.start); + var endToken = ts.findTokenOnLeftOfPosition(file, span.start + span.length); + var adjustedSpan = ts.createTextSpanFromBounds(startToken.pos, endToken && endToken.end >= startToken.pos ? endToken.getEnd() : startToken.getEnd()); + var parent = forEmptySpan ? getValidParentNodeOfEmptySpan(startToken) : getValidParentNodeContainingSpan(startToken, adjustedSpan); + var expression = parent && isValidExpressionOrStatement(parent) ? getExpression(parent) : undefined; + if (!expression) + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_convertible_access_expression) }; + var checker = program.getTypeChecker(); + return ts.isConditionalExpression(expression) ? getConditionalInfo(expression, checker) : getBinaryInfo(expression); + } + function getConditionalInfo(expression, checker) { + var condition = expression.condition; + var finalExpression = getFinalExpressionInChain(expression.whenTrue); + if (!finalExpression || checker.isNullableType(checker.getTypeAtLocation(finalExpression))) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_convertible_access_expression) }; + } + if ((ts.isPropertyAccessExpression(condition) || ts.isIdentifier(condition)) + && getMatchingStart(condition, finalExpression.expression)) { + return { finalExpression: finalExpression, occurrences: [condition], expression: expression }; + } + else if (ts.isBinaryExpression(condition)) { + var occurrences = getOccurrencesInExpression(finalExpression.expression, condition); + return occurrences ? { finalExpression: finalExpression, occurrences: occurrences, expression: expression } : + { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_matching_access_expressions) }; + } + } + function getBinaryInfo(expression) { + if (expression.operatorToken.kind !== 55 /* SyntaxKind.AmpersandAmpersandToken */) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Can_only_convert_logical_AND_access_chains) }; + } + ; + var finalExpression = getFinalExpressionInChain(expression.right); + if (!finalExpression) + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_convertible_access_expression) }; + var occurrences = getOccurrencesInExpression(finalExpression.expression, expression.left); + return occurrences ? { finalExpression: finalExpression, occurrences: occurrences, expression: expression } : + { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_matching_access_expressions) }; + } + /** + * Gets a list of property accesses that appear in matchTo and occur in sequence in expression. + */ + function getOccurrencesInExpression(matchTo, expression) { + var occurrences = []; + while (ts.isBinaryExpression(expression) && expression.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */) { + var match = getMatchingStart(ts.skipParentheses(matchTo), ts.skipParentheses(expression.right)); + if (!match) { + break; + } + occurrences.push(match); + matchTo = match; + expression = expression.left; + } + var finalMatch = getMatchingStart(matchTo, expression); + if (finalMatch) { + occurrences.push(finalMatch); + } + return occurrences.length > 0 ? occurrences : undefined; + } + /** + * Returns subchain if chain begins with subchain syntactically. + */ + function getMatchingStart(chain, subchain) { + if (!ts.isIdentifier(subchain) && !ts.isPropertyAccessExpression(subchain) && !ts.isElementAccessExpression(subchain)) { + return undefined; + } + return chainStartsWith(chain, subchain) ? subchain : undefined; + } + /** + * Returns true if chain begins with subchain syntactically. + */ + function chainStartsWith(chain, subchain) { + // skip until we find a matching identifier. + while (ts.isCallExpression(chain) || ts.isPropertyAccessExpression(chain) || ts.isElementAccessExpression(chain)) { + if (getTextOfChainNode(chain) === getTextOfChainNode(subchain)) + break; + chain = chain.expression; + } + // check that the chains match at each access. Call chains in subchain are not valid. + while ((ts.isPropertyAccessExpression(chain) && ts.isPropertyAccessExpression(subchain)) || + (ts.isElementAccessExpression(chain) && ts.isElementAccessExpression(subchain))) { + if (getTextOfChainNode(chain) !== getTextOfChainNode(subchain)) + return false; + chain = chain.expression; + subchain = subchain.expression; + } + // check if we have reached a final identifier. + return ts.isIdentifier(chain) && ts.isIdentifier(subchain) && chain.getText() === subchain.getText(); + } + function getTextOfChainNode(node) { + if (ts.isIdentifier(node) || ts.isStringOrNumericLiteralLike(node)) { + return node.getText(); + } + if (ts.isPropertyAccessExpression(node)) { + return getTextOfChainNode(node.name); + } + if (ts.isElementAccessExpression(node)) { + return getTextOfChainNode(node.argumentExpression); + } + return undefined; + } + /** + * Find the least ancestor of the input node that is a valid type for extraction and contains the input span. + */ + function getValidParentNodeContainingSpan(node, span) { + while (node.parent) { + if (isValidExpressionOrStatement(node) && span.length !== 0 && node.end >= span.start + span.length) { + return node; + } + node = node.parent; + } + return undefined; + } + /** + * Finds an ancestor of the input node that is a valid type for extraction, skipping subexpressions. + */ + function getValidParentNodeOfEmptySpan(node) { + while (node.parent) { + if (isValidExpressionOrStatement(node) && !isValidExpressionOrStatement(node.parent)) { + return node; + } + node = node.parent; + } + return undefined; + } + /** + * Gets an expression of valid extraction type from a valid statement or expression. + */ + function getExpression(node) { + if (isValidExpression(node)) { + return node; + } + if (ts.isVariableStatement(node)) { + var variable = ts.getSingleVariableOfVariableStatement(node); + var initializer = variable === null || variable === void 0 ? void 0 : variable.initializer; + return initializer && isValidExpression(initializer) ? initializer : undefined; + } + return node.expression && isValidExpression(node.expression) ? node.expression : undefined; + } + /** + * Gets a property access expression which may be nested inside of a binary expression. The final + * expression in an && chain will occur as the right child of the parent binary expression, unless + * it is followed by a different binary operator. + * @param node the right child of a binary expression or a call expression. + */ + function getFinalExpressionInChain(node) { + // foo && |foo.bar === 1|; - here the right child of the && binary expression is another binary expression. + // the rightmost member of the && chain should be the leftmost child of that expression. + node = ts.skipParentheses(node); + if (ts.isBinaryExpression(node)) { + return getFinalExpressionInChain(node.left); + } + // foo && |foo.bar()()| - nested calls are treated like further accesses. + else if ((ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) || ts.isCallExpression(node)) && !ts.isOptionalChain(node)) { + return node; + } + return undefined; + } + /** + * Creates an access chain from toConvert with '?.' accesses at expressions appearing in occurrences. + */ + function convertOccurrences(checker, toConvert, occurrences) { + if (ts.isPropertyAccessExpression(toConvert) || ts.isElementAccessExpression(toConvert) || ts.isCallExpression(toConvert)) { + var chain = convertOccurrences(checker, toConvert.expression, occurrences); + var lastOccurrence = occurrences.length > 0 ? occurrences[occurrences.length - 1] : undefined; + var isOccurrence = (lastOccurrence === null || lastOccurrence === void 0 ? void 0 : lastOccurrence.getText()) === toConvert.expression.getText(); + if (isOccurrence) + occurrences.pop(); + if (ts.isCallExpression(toConvert)) { + return isOccurrence ? + ts.factory.createCallChain(chain, ts.factory.createToken(28 /* SyntaxKind.QuestionDotToken */), toConvert.typeArguments, toConvert.arguments) : + ts.factory.createCallChain(chain, toConvert.questionDotToken, toConvert.typeArguments, toConvert.arguments); + } + else if (ts.isPropertyAccessExpression(toConvert)) { + return isOccurrence ? + ts.factory.createPropertyAccessChain(chain, ts.factory.createToken(28 /* SyntaxKind.QuestionDotToken */), toConvert.name) : + ts.factory.createPropertyAccessChain(chain, toConvert.questionDotToken, toConvert.name); + } + else if (ts.isElementAccessExpression(toConvert)) { + return isOccurrence ? + ts.factory.createElementAccessChain(chain, ts.factory.createToken(28 /* SyntaxKind.QuestionDotToken */), toConvert.argumentExpression) : + ts.factory.createElementAccessChain(chain, toConvert.questionDotToken, toConvert.argumentExpression); + } + } + return toConvert; + } + function doChange(sourceFile, checker, changes, info, _actionName) { + var finalExpression = info.finalExpression, occurrences = info.occurrences, expression = info.expression; + var firstOccurrence = occurrences[occurrences.length - 1]; + var convertedChain = convertOccurrences(checker, finalExpression, occurrences); + if (convertedChain && (ts.isPropertyAccessExpression(convertedChain) || ts.isElementAccessExpression(convertedChain) || ts.isCallExpression(convertedChain))) { + if (ts.isBinaryExpression(expression)) { + changes.replaceNodeRange(sourceFile, firstOccurrence, finalExpression, convertedChain); + } + else if (ts.isConditionalExpression(expression)) { + changes.replaceNode(sourceFile, expression, ts.factory.createBinaryExpression(convertedChain, ts.factory.createToken(60 /* SyntaxKind.QuestionQuestionToken */), expression.whenFalse)); + } + } + } + })(convertToOptionalChainExpression = refactor.convertToOptionalChainExpression || (refactor.convertToOptionalChainExpression = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var addOrRemoveBracesToArrowFunction; + (function (addOrRemoveBracesToArrowFunction) { + var refactorName = "Convert overload list to single signature"; + var refactorDescription = ts.Diagnostics.Convert_overload_list_to_single_signature.message; + var functionOverloadAction = { + name: refactorName, + description: refactorDescription, + kind: "refactor.rewrite.function.overloadList", + }; + refactor.registerRefactor(refactorName, { + kinds: [functionOverloadAction.kind], + getEditsForAction: getRefactorEditsToConvertOverloadsToOneSignature, + getAvailableActions: getRefactorActionsToConvertOverloadsToOneSignature + }); + function getRefactorActionsToConvertOverloadsToOneSignature(context) { + var file = context.file, startPosition = context.startPosition, program = context.program; + var info = getConvertableOverloadListAtPosition(file, startPosition, program); + if (!info) + return ts.emptyArray; + return [{ + name: refactorName, + description: refactorDescription, + actions: [functionOverloadAction] + }]; + } + function getRefactorEditsToConvertOverloadsToOneSignature(context) { + var file = context.file, startPosition = context.startPosition, program = context.program; + var signatureDecls = getConvertableOverloadListAtPosition(file, startPosition, program); + if (!signatureDecls) + return undefined; + var checker = program.getTypeChecker(); + var lastDeclaration = signatureDecls[signatureDecls.length - 1]; + var updated = lastDeclaration; + switch (lastDeclaration.kind) { + case 168 /* SyntaxKind.MethodSignature */: { + updated = ts.factory.updateMethodSignature(lastDeclaration, lastDeclaration.modifiers, lastDeclaration.name, lastDeclaration.questionToken, lastDeclaration.typeParameters, getNewParametersForCombinedSignature(signatureDecls), lastDeclaration.type); + break; + } + case 169 /* SyntaxKind.MethodDeclaration */: { + updated = ts.factory.updateMethodDeclaration(lastDeclaration, lastDeclaration.decorators, lastDeclaration.modifiers, lastDeclaration.asteriskToken, lastDeclaration.name, lastDeclaration.questionToken, lastDeclaration.typeParameters, getNewParametersForCombinedSignature(signatureDecls), lastDeclaration.type, lastDeclaration.body); + break; + } + case 174 /* SyntaxKind.CallSignature */: { + updated = ts.factory.updateCallSignature(lastDeclaration, lastDeclaration.typeParameters, getNewParametersForCombinedSignature(signatureDecls), lastDeclaration.type); + break; + } + case 171 /* SyntaxKind.Constructor */: { + updated = ts.factory.updateConstructorDeclaration(lastDeclaration, lastDeclaration.decorators, lastDeclaration.modifiers, getNewParametersForCombinedSignature(signatureDecls), lastDeclaration.body); + break; + } + case 175 /* SyntaxKind.ConstructSignature */: { + updated = ts.factory.updateConstructSignature(lastDeclaration, lastDeclaration.typeParameters, getNewParametersForCombinedSignature(signatureDecls), lastDeclaration.type); + break; + } + case 256 /* SyntaxKind.FunctionDeclaration */: { + updated = ts.factory.updateFunctionDeclaration(lastDeclaration, lastDeclaration.decorators, lastDeclaration.modifiers, lastDeclaration.asteriskToken, lastDeclaration.name, lastDeclaration.typeParameters, getNewParametersForCombinedSignature(signatureDecls), lastDeclaration.type, lastDeclaration.body); + break; + } + default: return ts.Debug.failBadSyntaxKind(lastDeclaration, "Unhandled signature kind in overload list conversion refactoring"); + } + if (updated === lastDeclaration) { + return; // No edits to apply, do nothing + } + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { + t.replaceNodeRange(file, signatureDecls[0], signatureDecls[signatureDecls.length - 1], updated); + }); + return { renameFilename: undefined, renameLocation: undefined, edits: edits }; + function getNewParametersForCombinedSignature(signatureDeclarations) { + var lastSig = signatureDeclarations[signatureDeclarations.length - 1]; + if (ts.isFunctionLikeDeclaration(lastSig) && lastSig.body) { + // Trim away implementation signature arguments (they should already be compatible with overloads, but are likely less precise to guarantee compatability with the overloads) + signatureDeclarations = signatureDeclarations.slice(0, signatureDeclarations.length - 1); + } + return ts.factory.createNodeArray([ + ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, ts.factory.createToken(25 /* SyntaxKind.DotDotDotToken */), "args", + /*questionToken*/ undefined, ts.factory.createUnionTypeNode(ts.map(signatureDeclarations, convertSignatureParametersToTuple))) + ]); + } + function convertSignatureParametersToTuple(decl) { + var members = ts.map(decl.parameters, convertParameterToNamedTupleMember); + return ts.setEmitFlags(ts.factory.createTupleTypeNode(members), ts.some(members, function (m) { return !!ts.length(ts.getSyntheticLeadingComments(m)); }) ? 0 /* EmitFlags.None */ : 1 /* EmitFlags.SingleLine */); + } + function convertParameterToNamedTupleMember(p) { + ts.Debug.assert(ts.isIdentifier(p.name)); // This is checked during refactoring applicability checking + var result = ts.setTextRange(ts.factory.createNamedTupleMember(p.dotDotDotToken, p.name, p.questionToken, p.type || ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */)), p); + var parameterDocComment = p.symbol && p.symbol.getDocumentationComment(checker); + if (parameterDocComment) { + var newComment = ts.displayPartsToString(parameterDocComment); + if (newComment.length) { + ts.setSyntheticLeadingComments(result, [{ + text: "*\n".concat(newComment.split("\n").map(function (c) { return " * ".concat(c); }).join("\n"), "\n "), + kind: 3 /* SyntaxKind.MultiLineCommentTrivia */, + pos: -1, + end: -1, + hasTrailingNewLine: true, + hasLeadingNewline: true, + }]); + } + } + return result; + } + } + function isConvertableSignatureDeclaration(d) { + switch (d.kind) { + case 168 /* SyntaxKind.MethodSignature */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 174 /* SyntaxKind.CallSignature */: + case 171 /* SyntaxKind.Constructor */: + case 175 /* SyntaxKind.ConstructSignature */: + case 256 /* SyntaxKind.FunctionDeclaration */: + return true; + } + return false; + } + function getConvertableOverloadListAtPosition(file, startPosition, program) { + var node = ts.getTokenAtPosition(file, startPosition); + var containingDecl = ts.findAncestor(node, isConvertableSignatureDeclaration); + if (!containingDecl) { + return; + } + var checker = program.getTypeChecker(); + var signatureSymbol = containingDecl.symbol; + if (!signatureSymbol) { + return; + } + var decls = signatureSymbol.declarations; + if (ts.length(decls) <= 1) { + return; + } + if (!ts.every(decls, function (d) { return ts.getSourceFileOfNode(d) === file; })) { + return; + } + if (!isConvertableSignatureDeclaration(decls[0])) { + return; + } + var kindOne = decls[0].kind; + if (!ts.every(decls, function (d) { return d.kind === kindOne; })) { + return; + } + var signatureDecls = decls; + if (ts.some(signatureDecls, function (d) { return !!d.typeParameters || ts.some(d.parameters, function (p) { return !!p.decorators || !!p.modifiers || !ts.isIdentifier(p.name); }); })) { + return; + } + var signatures = ts.mapDefined(signatureDecls, function (d) { return checker.getSignatureFromDeclaration(d); }); + if (ts.length(signatures) !== ts.length(decls)) { + return; + } + var returnOne = checker.getReturnTypeOfSignature(signatures[0]); + if (!ts.every(signatures, function (s) { return checker.getReturnTypeOfSignature(s) === returnOne; })) { + return; + } + return signatureDecls; + } + })(addOrRemoveBracesToArrowFunction = refactor.addOrRemoveBracesToArrowFunction || (refactor.addOrRemoveBracesToArrowFunction = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var extractSymbol; + (function (extractSymbol) { + var refactorName = "Extract Symbol"; + var extractConstantAction = { + name: "Extract Constant", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_constant), + kind: "refactor.extract.constant", + }; + var extractFunctionAction = { + name: "Extract Function", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_function), + kind: "refactor.extract.function", + }; + refactor.registerRefactor(refactorName, { + kinds: [ + extractConstantAction.kind, + extractFunctionAction.kind + ], + getEditsForAction: getRefactorEditsToExtractSymbol, + getAvailableActions: getRefactorActionsToExtractSymbol, + }); + /** + * Compute the associated code actions + * Exported for tests. + */ + function getRefactorActionsToExtractSymbol(context) { + var requestedRefactor = context.kind; + var rangeToExtract = getRangeToExtract(context.file, ts.getRefactorContextSpan(context), context.triggerReason === "invoked"); + var targetRange = rangeToExtract.targetRange; + if (targetRange === undefined) { + if (!rangeToExtract.errors || rangeToExtract.errors.length === 0 || !context.preferences.provideRefactorNotApplicableReason) { + return ts.emptyArray; + } + var errors = []; + if (refactor.refactorKindBeginsWith(extractFunctionAction.kind, requestedRefactor)) { + errors.push({ + name: refactorName, + description: extractFunctionAction.description, + actions: [__assign(__assign({}, extractFunctionAction), { notApplicableReason: getStringError(rangeToExtract.errors) })] + }); + } + if (refactor.refactorKindBeginsWith(extractConstantAction.kind, requestedRefactor)) { + errors.push({ + name: refactorName, + description: extractConstantAction.description, + actions: [__assign(__assign({}, extractConstantAction), { notApplicableReason: getStringError(rangeToExtract.errors) })] + }); + } + return errors; + } + var extractions = getPossibleExtractions(targetRange, context); + if (extractions === undefined) { + // No extractions possible + return ts.emptyArray; + } + var functionActions = []; + var usedFunctionNames = new ts.Map(); + var innermostErrorFunctionAction; + var constantActions = []; + var usedConstantNames = new ts.Map(); + var innermostErrorConstantAction; + var i = 0; + for (var _i = 0, extractions_1 = extractions; _i < extractions_1.length; _i++) { + var _a = extractions_1[_i], functionExtraction = _a.functionExtraction, constantExtraction = _a.constantExtraction; + var description = functionExtraction.description; + if (refactor.refactorKindBeginsWith(extractFunctionAction.kind, requestedRefactor)) { + if (functionExtraction.errors.length === 0) { + // Don't issue refactorings with duplicated names. + // Scopes come back in "innermost first" order, so extractions will + // preferentially go into nearer scopes + if (!usedFunctionNames.has(description)) { + usedFunctionNames.set(description, true); + functionActions.push({ + description: description, + name: "function_scope_".concat(i), + kind: extractFunctionAction.kind + }); + } + } + else if (!innermostErrorFunctionAction) { + innermostErrorFunctionAction = { + description: description, + name: "function_scope_".concat(i), + notApplicableReason: getStringError(functionExtraction.errors), + kind: extractFunctionAction.kind + }; + } + } + if (refactor.refactorKindBeginsWith(extractConstantAction.kind, requestedRefactor)) { + if (constantExtraction.errors.length === 0) { + // Don't issue refactorings with duplicated names. + // Scopes come back in "innermost first" order, so extractions will + // preferentially go into nearer scopes + var description_1 = constantExtraction.description; + if (!usedConstantNames.has(description_1)) { + usedConstantNames.set(description_1, true); + constantActions.push({ + description: description_1, + name: "constant_scope_".concat(i), + kind: extractConstantAction.kind + }); + } + } + else if (!innermostErrorConstantAction) { + innermostErrorConstantAction = { + description: description, + name: "constant_scope_".concat(i), + notApplicableReason: getStringError(constantExtraction.errors), + kind: extractConstantAction.kind + }; + } + } + // *do* increment i anyway because we'll look for the i-th scope + // later when actually doing the refactoring if the user requests it + i++; + } + var infos = []; + if (functionActions.length) { + infos.push({ + name: refactorName, + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_function), + actions: functionActions, + }); + } + else if (context.preferences.provideRefactorNotApplicableReason && innermostErrorFunctionAction) { + infos.push({ + name: refactorName, + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_function), + actions: [innermostErrorFunctionAction] + }); + } + if (constantActions.length) { + infos.push({ + name: refactorName, + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_constant), + actions: constantActions + }); + } + else if (context.preferences.provideRefactorNotApplicableReason && innermostErrorConstantAction) { + infos.push({ + name: refactorName, + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_constant), + actions: [innermostErrorConstantAction] + }); + } + return infos.length ? infos : ts.emptyArray; + function getStringError(errors) { + var error = errors[0].messageText; + if (typeof error !== "string") { + error = error.messageText; + } + return error; + } + } + extractSymbol.getRefactorActionsToExtractSymbol = getRefactorActionsToExtractSymbol; + /* Exported for tests */ + function getRefactorEditsToExtractSymbol(context, actionName) { + var rangeToExtract = getRangeToExtract(context.file, ts.getRefactorContextSpan(context)); + var targetRange = rangeToExtract.targetRange; // TODO:GH#18217 + var parsedFunctionIndexMatch = /^function_scope_(\d+)$/.exec(actionName); + if (parsedFunctionIndexMatch) { + var index = +parsedFunctionIndexMatch[1]; + ts.Debug.assert(isFinite(index), "Expected to parse a finite number from the function scope index"); + return getFunctionExtractionAtIndex(targetRange, context, index); + } + var parsedConstantIndexMatch = /^constant_scope_(\d+)$/.exec(actionName); + if (parsedConstantIndexMatch) { + var index = +parsedConstantIndexMatch[1]; + ts.Debug.assert(isFinite(index), "Expected to parse a finite number from the constant scope index"); + return getConstantExtractionAtIndex(targetRange, context, index); + } + ts.Debug.fail("Unrecognized action name"); + } + extractSymbol.getRefactorEditsToExtractSymbol = getRefactorEditsToExtractSymbol; + // Move these into diagnostic messages if they become user-facing + var Messages; + (function (Messages) { + function createMessage(message) { + return { message: message, code: 0, category: ts.DiagnosticCategory.Message, key: message }; + } + Messages.cannotExtractRange = createMessage("Cannot extract range."); + Messages.cannotExtractImport = createMessage("Cannot extract import statement."); + Messages.cannotExtractSuper = createMessage("Cannot extract super call."); + Messages.cannotExtractJSDoc = createMessage("Cannot extract JSDoc."); + Messages.cannotExtractEmpty = createMessage("Cannot extract empty range."); + Messages.expressionExpected = createMessage("expression expected."); + Messages.uselessConstantType = createMessage("No reason to extract constant of type."); + Messages.statementOrExpressionExpected = createMessage("Statement or expression expected."); + Messages.cannotExtractRangeContainingConditionalBreakOrContinueStatements = createMessage("Cannot extract range containing conditional break or continue statements."); + Messages.cannotExtractRangeContainingConditionalReturnStatement = createMessage("Cannot extract range containing conditional return statement."); + Messages.cannotExtractRangeContainingLabeledBreakOrContinueStatementWithTargetOutsideOfTheRange = createMessage("Cannot extract range containing labeled break or continue with target outside of the range."); + Messages.cannotExtractRangeThatContainsWritesToReferencesLocatedOutsideOfTheTargetRangeInGenerators = createMessage("Cannot extract range containing writes to references located outside of the target range in generators."); + Messages.typeWillNotBeVisibleInTheNewScope = createMessage("Type will not visible in the new scope."); + Messages.functionWillNotBeVisibleInTheNewScope = createMessage("Function will not visible in the new scope."); + Messages.cannotExtractIdentifier = createMessage("Select more than a single identifier."); + Messages.cannotExtractExportedEntity = createMessage("Cannot extract exported declaration"); + Messages.cannotWriteInExpression = createMessage("Cannot write back side-effects when extracting an expression"); + Messages.cannotExtractReadonlyPropertyInitializerOutsideConstructor = createMessage("Cannot move initialization of read-only class property outside of the constructor"); + Messages.cannotExtractAmbientBlock = createMessage("Cannot extract code from ambient contexts"); + Messages.cannotAccessVariablesFromNestedScopes = createMessage("Cannot access variables from nested scopes"); + Messages.cannotExtractToJSClass = createMessage("Cannot extract constant to a class scope in JS"); + Messages.cannotExtractToExpressionArrowFunction = createMessage("Cannot extract constant to an arrow function without a block"); + Messages.cannotExtractFunctionsContainingThisToMethod = createMessage("Cannot extract functions containing this to method"); + })(Messages = extractSymbol.Messages || (extractSymbol.Messages = {})); + var RangeFacts; + (function (RangeFacts) { + RangeFacts[RangeFacts["None"] = 0] = "None"; + RangeFacts[RangeFacts["HasReturn"] = 1] = "HasReturn"; + RangeFacts[RangeFacts["IsGenerator"] = 2] = "IsGenerator"; + RangeFacts[RangeFacts["IsAsyncFunction"] = 4] = "IsAsyncFunction"; + RangeFacts[RangeFacts["UsesThis"] = 8] = "UsesThis"; + RangeFacts[RangeFacts["UsesThisInFunction"] = 16] = "UsesThisInFunction"; + /** + * The range is in a function which needs the 'static' modifier in a class + */ + RangeFacts[RangeFacts["InStaticRegion"] = 32] = "InStaticRegion"; + })(RangeFacts || (RangeFacts = {})); + /** + * getRangeToExtract takes a span inside a text file and returns either an expression or an array + * of statements representing the minimum set of nodes needed to extract the entire span. This + * process may fail, in which case a set of errors is returned instead. These errors are shown to + * users if they have the provideRefactorNotApplicableReason option set. + */ + // exported only for tests + function getRangeToExtract(sourceFile, span, invoked) { + if (invoked === void 0) { invoked = true; } + var length = span.length; + if (length === 0 && !invoked) { + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractEmpty)] }; + } + var cursorRequest = length === 0 && invoked; + var startToken = ts.findFirstNonJsxWhitespaceToken(sourceFile, span.start); + var endToken = ts.findTokenOnLeftOfPosition(sourceFile, ts.textSpanEnd(span)); + /* If the refactoring command is invoked through a keyboard action it's safe to assume that the user is actively looking for + refactoring actions at the span location. As they may not know the exact range that will trigger a refactoring, we expand the + searched span to cover a real node range making it more likely that something useful will show up. */ + var adjustedSpan = startToken && endToken && invoked ? getAdjustedSpanFromNodes(startToken, endToken, sourceFile) : span; + // Walk up starting from the the start position until we find a non-SourceFile node that subsumes the selected span. + // This may fail (e.g. you select two statements in the root of a source file) + var start = cursorRequest ? getExtractableParent(startToken) : ts.getParentNodeInSpan(startToken, sourceFile, adjustedSpan); + // Do the same for the ending position + var end = cursorRequest ? start : ts.getParentNodeInSpan(endToken, sourceFile, adjustedSpan); + var declarations = []; + // We'll modify these flags as we walk the tree to collect data + // about what things need to be done as part of the extraction. + var rangeFacts = RangeFacts.None; + var thisNode; + if (!start || !end) { + // cannot find either start or end node + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] }; + } + if (start.flags & 8388608 /* NodeFlags.JSDoc */) { + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractJSDoc)] }; + } + if (start.parent !== end.parent) { + // start and end nodes belong to different subtrees + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] }; + } + if (start !== end) { + // start and end should be statements and parent should be either block or a source file + if (!isBlockLike(start.parent)) { + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] }; + } + var statements = []; + for (var _i = 0, _a = start.parent.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (statement === start || statements.length) { + var errors_1 = checkNode(statement); + if (errors_1) { + return { errors: errors_1 }; + } + statements.push(statement); + } + if (statement === end) { + break; + } + } + if (!statements.length) { + // https://github.com/Microsoft/TypeScript/issues/20559 + // Ranges like [|case 1: break;|] will fail to populate `statements` because + // they will never find `start` in `start.parent.statements`. + // Consider: We could support ranges like [|case 1:|] by refining them to just + // the expression. + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] }; + } + return { targetRange: { range: statements, facts: rangeFacts, declarations: declarations, thisNode: thisNode } }; + } + if (ts.isReturnStatement(start) && !start.expression) { + // Makes no sense to extract an expression-less return statement. + return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] }; + } + // We have a single node (start) + var node = refineNode(start); + var errors = checkRootNode(node) || checkNode(node); + if (errors) { + return { errors: errors }; + } + return { targetRange: { range: getStatementOrExpressionRange(node), facts: rangeFacts, declarations: declarations, thisNode: thisNode } }; // TODO: GH#18217 + /** + * Attempt to refine the extraction node (generally, by shrinking it) to produce better results. + * @param node The unrefined extraction node. + */ + function refineNode(node) { + if (ts.isReturnStatement(node)) { + if (node.expression) { + return node.expression; + } + } + else if (ts.isVariableStatement(node) || ts.isVariableDeclarationList(node)) { + var declarations_5 = ts.isVariableStatement(node) ? node.declarationList.declarations : node.declarations; + var numInitializers = 0; + var lastInitializer = void 0; + for (var _i = 0, declarations_4 = declarations_5; _i < declarations_4.length; _i++) { + var declaration = declarations_4[_i]; + if (declaration.initializer) { + numInitializers++; + lastInitializer = declaration.initializer; + } + } + if (numInitializers === 1) { + return lastInitializer; + } + // No special handling if there are multiple initializers. + } + else if (ts.isVariableDeclaration(node)) { + if (node.initializer) { + return node.initializer; + } + } + return node; + } + function checkRootNode(node) { + if (ts.isIdentifier(ts.isExpressionStatement(node) ? node.expression : node)) { + return [ts.createDiagnosticForNode(node, Messages.cannotExtractIdentifier)]; + } + return undefined; + } + function checkForStaticContext(nodeToCheck, containingClass) { + var current = nodeToCheck; + while (current !== containingClass) { + if (current.kind === 167 /* SyntaxKind.PropertyDeclaration */) { + if (ts.isStatic(current)) { + rangeFacts |= RangeFacts.InStaticRegion; + } + break; + } + else if (current.kind === 164 /* SyntaxKind.Parameter */) { + var ctorOrMethod = ts.getContainingFunction(current); + if (ctorOrMethod.kind === 171 /* SyntaxKind.Constructor */) { + rangeFacts |= RangeFacts.InStaticRegion; + } + break; + } + else if (current.kind === 169 /* SyntaxKind.MethodDeclaration */) { + if (ts.isStatic(current)) { + rangeFacts |= RangeFacts.InStaticRegion; + } + } + current = current.parent; + } + } + // Verifies whether we can actually extract this node or not. + function checkNode(nodeToCheck) { + var PermittedJumps; + (function (PermittedJumps) { + PermittedJumps[PermittedJumps["None"] = 0] = "None"; + PermittedJumps[PermittedJumps["Break"] = 1] = "Break"; + PermittedJumps[PermittedJumps["Continue"] = 2] = "Continue"; + PermittedJumps[PermittedJumps["Return"] = 4] = "Return"; + })(PermittedJumps || (PermittedJumps = {})); + // We believe it's true because the node is from the (unmodified) tree. + ts.Debug.assert(nodeToCheck.pos <= nodeToCheck.end, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809 (1)"); + // For understanding how skipTrivia functioned: + ts.Debug.assert(!ts.positionIsSynthesized(nodeToCheck.pos), "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809 (2)"); + if (!ts.isStatement(nodeToCheck) && !(ts.isExpressionNode(nodeToCheck) && isExtractableExpression(nodeToCheck)) && !isStringLiteralJsxAttribute(nodeToCheck)) { + return [ts.createDiagnosticForNode(nodeToCheck, Messages.statementOrExpressionExpected)]; + } + if (nodeToCheck.flags & 16777216 /* NodeFlags.Ambient */) { + return [ts.createDiagnosticForNode(nodeToCheck, Messages.cannotExtractAmbientBlock)]; + } + // If we're in a class, see whether we're in a static region (static property initializer, static method, class constructor parameter default) + var containingClass = ts.getContainingClass(nodeToCheck); + if (containingClass) { + checkForStaticContext(nodeToCheck, containingClass); + } + var errors; + var permittedJumps = 4 /* PermittedJumps.Return */; + var seenLabels; + visit(nodeToCheck); + if (rangeFacts & RangeFacts.UsesThis) { + var container = ts.getThisContainer(nodeToCheck, /** includeArrowFunctions */ false); + if (container.kind === 256 /* SyntaxKind.FunctionDeclaration */ || + (container.kind === 169 /* SyntaxKind.MethodDeclaration */ && container.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */) || + container.kind === 213 /* SyntaxKind.FunctionExpression */) { + rangeFacts |= RangeFacts.UsesThisInFunction; + } + } + return errors; + function visit(node) { + if (errors) { + // already found an error - can stop now + return true; + } + if (ts.isDeclaration(node)) { + var declaringNode = (node.kind === 254 /* SyntaxKind.VariableDeclaration */) ? node.parent.parent : node; + if (ts.hasSyntacticModifier(declaringNode, 1 /* ModifierFlags.Export */)) { + // TODO: GH#18217 Silly to use `errors ||` since it's definitely not defined (see top of `visit`) + // Also, if we're only pushing one error, just use `let error: Diagnostic | undefined`! + // Also TODO: GH#19956 + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractExportedEntity)); + return true; + } + declarations.push(node.symbol); + } + // Some things can't be extracted in certain situations + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractImport)); + return true; + case 271 /* SyntaxKind.ExportAssignment */: + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractExportedEntity)); + return true; + case 106 /* SyntaxKind.SuperKeyword */: + // For a super *constructor call*, we have to be extracting the entire class, + // but a super *method call* simply implies a 'this' reference + if (node.parent.kind === 208 /* SyntaxKind.CallExpression */) { + // Super constructor call + var containingClass_1 = ts.getContainingClass(node); + if (containingClass_1 === undefined || containingClass_1.pos < span.start || containingClass_1.end >= (span.start + span.length)) { + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractSuper)); + return true; + } + } + else { + rangeFacts |= RangeFacts.UsesThis; + thisNode = node; + } + break; + case 214 /* SyntaxKind.ArrowFunction */: + // check if arrow function uses this + ts.forEachChild(node, function check(n) { + if (ts.isThis(n)) { + rangeFacts |= RangeFacts.UsesThis; + thisNode = node; + } + else if (ts.isClassLike(n) || (ts.isFunctionLike(n) && !ts.isArrowFunction(n))) { + return false; + } + else { + ts.forEachChild(n, check); + } + }); + // falls through + case 257 /* SyntaxKind.ClassDeclaration */: + case 256 /* SyntaxKind.FunctionDeclaration */: + if (ts.isSourceFile(node.parent) && node.parent.externalModuleIndicator === undefined) { + // You cannot extract global declarations + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.functionWillNotBeVisibleInTheNewScope)); + } + // falls through + case 226 /* SyntaxKind.ClassExpression */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 171 /* SyntaxKind.Constructor */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + // do not dive into functions or classes + return false; + } + var savedPermittedJumps = permittedJumps; + switch (node.kind) { + case 239 /* SyntaxKind.IfStatement */: + permittedJumps = 0 /* PermittedJumps.None */; + break; + case 252 /* SyntaxKind.TryStatement */: + // forbid all jumps inside try blocks + permittedJumps = 0 /* PermittedJumps.None */; + break; + case 235 /* SyntaxKind.Block */: + if (node.parent && node.parent.kind === 252 /* SyntaxKind.TryStatement */ && node.parent.finallyBlock === node) { + // allow unconditional returns from finally blocks + permittedJumps = 4 /* PermittedJumps.Return */; + } + break; + case 290 /* SyntaxKind.DefaultClause */: + case 289 /* SyntaxKind.CaseClause */: + // allow unlabeled break inside case clauses + permittedJumps |= 1 /* PermittedJumps.Break */; + break; + default: + if (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false)) { + // allow unlabeled break/continue inside loops + permittedJumps |= 1 /* PermittedJumps.Break */ | 2 /* PermittedJumps.Continue */; + } + break; + } + switch (node.kind) { + case 192 /* SyntaxKind.ThisType */: + case 108 /* SyntaxKind.ThisKeyword */: + rangeFacts |= RangeFacts.UsesThis; + thisNode = node; + break; + case 250 /* SyntaxKind.LabeledStatement */: { + var label = node.label; + (seenLabels || (seenLabels = [])).push(label.escapedText); + ts.forEachChild(node, visit); + seenLabels.pop(); + break; + } + case 246 /* SyntaxKind.BreakStatement */: + case 245 /* SyntaxKind.ContinueStatement */: { + var label = node.label; + if (label) { + if (!ts.contains(seenLabels, label.escapedText)) { + // attempts to jump to label that is not in range to be extracted + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractRangeContainingLabeledBreakOrContinueStatementWithTargetOutsideOfTheRange)); + } + } + else { + if (!(permittedJumps & (node.kind === 246 /* SyntaxKind.BreakStatement */ ? 1 /* PermittedJumps.Break */ : 2 /* PermittedJumps.Continue */))) { + // attempt to break or continue in a forbidden context + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractRangeContainingConditionalBreakOrContinueStatements)); + } + } + break; + } + case 218 /* SyntaxKind.AwaitExpression */: + rangeFacts |= RangeFacts.IsAsyncFunction; + break; + case 224 /* SyntaxKind.YieldExpression */: + rangeFacts |= RangeFacts.IsGenerator; + break; + case 247 /* SyntaxKind.ReturnStatement */: + if (permittedJumps & 4 /* PermittedJumps.Return */) { + rangeFacts |= RangeFacts.HasReturn; + } + else { + (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractRangeContainingConditionalReturnStatement)); + } + break; + default: + ts.forEachChild(node, visit); + break; + } + permittedJumps = savedPermittedJumps; + } + } + } + extractSymbol.getRangeToExtract = getRangeToExtract; + /** + * Includes the final semicolon so that the span covers statements in cases where it would otherwise + * only cover the declaration list. + */ + function getAdjustedSpanFromNodes(startNode, endNode, sourceFile) { + var start = startNode.getStart(sourceFile); + var end = endNode.getEnd(); + if (sourceFile.text.charCodeAt(end) === 59 /* CharacterCodes.semicolon */) { + end++; + } + return { start: start, length: end - start }; + } + function getStatementOrExpressionRange(node) { + if (ts.isStatement(node)) { + return [node]; + } + if (ts.isExpressionNode(node)) { + // If our selection is the expression in an ExpressionStatement, expand + // the selection to include the enclosing Statement (this stops us + // from trying to care about the return value of the extracted function + // and eliminates double semicolon insertion in certain scenarios) + return ts.isExpressionStatement(node.parent) ? [node.parent] : node; + } + if (isStringLiteralJsxAttribute(node)) { + return node; + } + return undefined; + } + function isScope(node) { + return ts.isArrowFunction(node) ? ts.isFunctionBody(node.body) : + ts.isFunctionLikeDeclaration(node) || ts.isSourceFile(node) || ts.isModuleBlock(node) || ts.isClassLike(node); + } + /** + * Computes possible places we could extract the function into. For example, + * you may be able to extract into a class method *or* local closure *or* namespace function, + * depending on what's in the extracted body. + */ + function collectEnclosingScopes(range) { + var current = isReadonlyArray(range.range) ? ts.first(range.range) : range.range; + if (range.facts & RangeFacts.UsesThis && !(range.facts & RangeFacts.UsesThisInFunction)) { + // if range uses this as keyword or as type inside the class then it can only be extracted to a method of the containing class + var containingClass = ts.getContainingClass(current); + if (containingClass) { + var containingFunction = ts.findAncestor(current, ts.isFunctionLikeDeclaration); + return containingFunction + ? [containingFunction, containingClass] + : [containingClass]; + } + } + var scopes = []; + while (true) { + current = current.parent; + // A function parameter's initializer is actually in the outer scope, not the function declaration + if (current.kind === 164 /* SyntaxKind.Parameter */) { + // Skip all the way to the outer scope of the function that declared this parameter + current = ts.findAncestor(current, function (parent) { return ts.isFunctionLikeDeclaration(parent); }).parent; + } + // We want to find the nearest parent where we can place an "equivalent" sibling to the node we're extracting out of. + // Walk up to the closest parent of a place where we can logically put a sibling: + // * Function declaration + // * Class declaration or expression + // * Module/namespace or source file + if (isScope(current)) { + scopes.push(current); + if (current.kind === 305 /* SyntaxKind.SourceFile */) { + return scopes; + } + } + } + } + function getFunctionExtractionAtIndex(targetRange, context, requestedChangesIndex) { + var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, target = _b.target, usagesPerScope = _b.usagesPerScope, functionErrorsPerScope = _b.functionErrorsPerScope, exposedVariableDeclarations = _b.exposedVariableDeclarations; + ts.Debug.assert(!functionErrorsPerScope[requestedChangesIndex].length, "The extraction went missing? How?"); + context.cancellationToken.throwIfCancellationRequested(); // TODO: GH#18217 + return extractFunctionInScope(target, scopes[requestedChangesIndex], usagesPerScope[requestedChangesIndex], exposedVariableDeclarations, targetRange, context); + } + function getConstantExtractionAtIndex(targetRange, context, requestedChangesIndex) { + var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, target = _b.target, usagesPerScope = _b.usagesPerScope, constantErrorsPerScope = _b.constantErrorsPerScope, exposedVariableDeclarations = _b.exposedVariableDeclarations; + ts.Debug.assert(!constantErrorsPerScope[requestedChangesIndex].length, "The extraction went missing? How?"); + ts.Debug.assert(exposedVariableDeclarations.length === 0, "Extract constant accepted a range containing a variable declaration?"); + context.cancellationToken.throwIfCancellationRequested(); + var expression = ts.isExpression(target) + ? target + : target.statements[0].expression; + return extractConstantInScope(expression, scopes[requestedChangesIndex], usagesPerScope[requestedChangesIndex], targetRange.facts, context); + } + /** + * Given a piece of text to extract ('targetRange'), computes a list of possible extractions. + * Each returned ExtractResultForScope corresponds to a possible target scope and is either a set of changes + * or an error explaining why we can't extract into that scope. + */ + function getPossibleExtractions(targetRange, context) { + var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, functionErrorsPerScope = _b.functionErrorsPerScope, constantErrorsPerScope = _b.constantErrorsPerScope; + // Need the inner type annotation to avoid https://github.com/Microsoft/TypeScript/issues/7547 + var extractions = scopes.map(function (scope, i) { + var functionDescriptionPart = getDescriptionForFunctionInScope(scope); + var constantDescriptionPart = getDescriptionForConstantInScope(scope); + var scopeDescription = ts.isFunctionLikeDeclaration(scope) + ? getDescriptionForFunctionLikeDeclaration(scope) + : ts.isClassLike(scope) + ? getDescriptionForClassLikeDeclaration(scope) + : getDescriptionForModuleLikeDeclaration(scope); + var functionDescription; + var constantDescription; + if (scopeDescription === 1 /* SpecialScope.Global */) { + functionDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [functionDescriptionPart, "global"]); + constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [constantDescriptionPart, "global"]); + } + else if (scopeDescription === 0 /* SpecialScope.Module */) { + functionDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [functionDescriptionPart, "module"]); + constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [constantDescriptionPart, "module"]); + } + else { + functionDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1), [functionDescriptionPart, scopeDescription]); + constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1), [constantDescriptionPart, scopeDescription]); + } + // Customize the phrasing for the innermost scope to increase clarity. + if (i === 0 && !ts.isClassLike(scope)) { + constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_enclosing_scope), [constantDescriptionPart]); + } + return { + functionExtraction: { + description: functionDescription, + errors: functionErrorsPerScope[i], + }, + constantExtraction: { + description: constantDescription, + errors: constantErrorsPerScope[i], + }, + }; + }); + return extractions; + } + function getPossibleExtractionsWorker(targetRange, context) { + var sourceFile = context.file; + var scopes = collectEnclosingScopes(targetRange); + var enclosingTextRange = getEnclosingTextRange(targetRange, sourceFile); + var readsAndWrites = collectReadsAndWrites(targetRange, scopes, enclosingTextRange, sourceFile, context.program.getTypeChecker(), context.cancellationToken); + return { scopes: scopes, readsAndWrites: readsAndWrites }; + } + function getDescriptionForFunctionInScope(scope) { + return ts.isFunctionLikeDeclaration(scope) + ? "inner function" + : ts.isClassLike(scope) + ? "method" + : "function"; + } + function getDescriptionForConstantInScope(scope) { + return ts.isClassLike(scope) + ? "readonly field" + : "constant"; + } + function getDescriptionForFunctionLikeDeclaration(scope) { + switch (scope.kind) { + case 171 /* SyntaxKind.Constructor */: + return "constructor"; + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + return scope.name + ? "function '".concat(scope.name.text, "'") + : ts.ANONYMOUS; + case 214 /* SyntaxKind.ArrowFunction */: + return "arrow function"; + case 169 /* SyntaxKind.MethodDeclaration */: + return "method '".concat(scope.name.getText(), "'"); + case 172 /* SyntaxKind.GetAccessor */: + return "'get ".concat(scope.name.getText(), "'"); + case 173 /* SyntaxKind.SetAccessor */: + return "'set ".concat(scope.name.getText(), "'"); + default: + throw ts.Debug.assertNever(scope, "Unexpected scope kind ".concat(scope.kind)); + } + } + function getDescriptionForClassLikeDeclaration(scope) { + return scope.kind === 257 /* SyntaxKind.ClassDeclaration */ + ? scope.name ? "class '".concat(scope.name.text, "'") : "anonymous class declaration" + : scope.name ? "class expression '".concat(scope.name.text, "'") : "anonymous class expression"; + } + function getDescriptionForModuleLikeDeclaration(scope) { + return scope.kind === 262 /* SyntaxKind.ModuleBlock */ + ? "namespace '".concat(scope.parent.name.getText(), "'") + : scope.externalModuleIndicator ? 0 /* SpecialScope.Module */ : 1 /* SpecialScope.Global */; + } + var SpecialScope; + (function (SpecialScope) { + SpecialScope[SpecialScope["Module"] = 0] = "Module"; + SpecialScope[SpecialScope["Global"] = 1] = "Global"; + })(SpecialScope || (SpecialScope = {})); + /** + * Result of 'extractRange' operation for a specific scope. + * Stores either a list of changes that should be applied to extract a range or a list of errors + */ + function extractFunctionInScope(node, scope, _a, exposedVariableDeclarations, range, context) { + var usagesInScope = _a.usages, typeParameterUsages = _a.typeParameterUsages, substitutions = _a.substitutions; + var checker = context.program.getTypeChecker(); + var scriptTarget = ts.getEmitScriptTarget(context.program.getCompilerOptions()); + var importAdder = ts.codefix.createImportAdder(context.file, context.program, context.preferences, context.host); + // Make a unique name for the extracted function + var file = scope.getSourceFile(); + var functionNameText = ts.getUniqueName(ts.isClassLike(scope) ? "newMethod" : "newFunction", file); + var isJS = ts.isInJSFile(scope); + var functionName = ts.factory.createIdentifier(functionNameText); + var returnType; + var parameters = []; + var callArguments = []; + var writes; + usagesInScope.forEach(function (usage, name) { + var typeNode; + if (!isJS) { + var type = checker.getTypeOfSymbolAtLocation(usage.symbol, usage.node); + // Widen the type so we don't emit nonsense annotations like "function fn(x: 3) {" + type = checker.getBaseTypeOfLiteralType(type); + typeNode = ts.codefix.typeToAutoImportableTypeNode(checker, importAdder, type, scope, scriptTarget, 1 /* NodeBuilderFlags.NoTruncation */); + } + var paramDecl = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, + /*name*/ name, + /*questionToken*/ undefined, typeNode); + parameters.push(paramDecl); + if (usage.usage === 2 /* Usage.Write */) { + (writes || (writes = [])).push(usage); + } + callArguments.push(ts.factory.createIdentifier(name)); + }); + var typeParametersAndDeclarations = ts.arrayFrom(typeParameterUsages.values()).map(function (type) { return ({ type: type, declaration: getFirstDeclaration(type) }); }); + var sortedTypeParametersAndDeclarations = typeParametersAndDeclarations.sort(compareTypesByDeclarationOrder); + var typeParameters = sortedTypeParametersAndDeclarations.length === 0 + ? undefined + : sortedTypeParametersAndDeclarations.map(function (t) { return t.declaration; }); + // Strictly speaking, we should check whether each name actually binds to the appropriate type + // parameter. In cases of shadowing, they may not. + var callTypeArguments = typeParameters !== undefined + ? typeParameters.map(function (decl) { return ts.factory.createTypeReferenceNode(decl.name, /*typeArguments*/ undefined); }) + : undefined; + // Provide explicit return types for contextually-typed functions + // to avoid problems when there are literal types present + if (ts.isExpression(node) && !isJS) { + var contextualType = checker.getContextualType(node); + returnType = checker.typeToTypeNode(contextualType, scope, 1 /* NodeBuilderFlags.NoTruncation */); // TODO: GH#18217 + } + var _b = transformFunctionBody(node, exposedVariableDeclarations, writes, substitutions, !!(range.facts & RangeFacts.HasReturn)), body = _b.body, returnValueProperty = _b.returnValueProperty; + ts.suppressLeadingAndTrailingTrivia(body); + var newFunction; + var callThis = !!(range.facts & RangeFacts.UsesThisInFunction); + if (ts.isClassLike(scope)) { + // always create private method in TypeScript files + var modifiers = isJS ? [] : [ts.factory.createModifier(121 /* SyntaxKind.PrivateKeyword */)]; + if (range.facts & RangeFacts.InStaticRegion) { + modifiers.push(ts.factory.createModifier(124 /* SyntaxKind.StaticKeyword */)); + } + if (range.facts & RangeFacts.IsAsyncFunction) { + modifiers.push(ts.factory.createModifier(131 /* SyntaxKind.AsyncKeyword */)); + } + newFunction = ts.factory.createMethodDeclaration( + /*decorators*/ undefined, modifiers.length ? modifiers : undefined, range.facts & RangeFacts.IsGenerator ? ts.factory.createToken(41 /* SyntaxKind.AsteriskToken */) : undefined, functionName, + /*questionToken*/ undefined, typeParameters, parameters, returnType, body); + } + else { + if (callThis) { + parameters.unshift(ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, + /*name*/ "this", + /*questionToken*/ undefined, checker.typeToTypeNode(checker.getTypeAtLocation(range.thisNode), scope, 1 /* NodeBuilderFlags.NoTruncation */), + /*initializer*/ undefined)); + } + newFunction = ts.factory.createFunctionDeclaration( + /*decorators*/ undefined, range.facts & RangeFacts.IsAsyncFunction ? [ts.factory.createToken(131 /* SyntaxKind.AsyncKeyword */)] : undefined, range.facts & RangeFacts.IsGenerator ? ts.factory.createToken(41 /* SyntaxKind.AsteriskToken */) : undefined, functionName, typeParameters, parameters, returnType, body); + } + var changeTracker = ts.textChanges.ChangeTracker.fromContext(context); + var minInsertionPos = (isReadonlyArray(range.range) ? ts.last(range.range) : range.range).end; + var nodeToInsertBefore = getNodeToInsertFunctionBefore(minInsertionPos, scope); + if (nodeToInsertBefore) { + changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newFunction, /*blankLineBetween*/ true); + } + else { + changeTracker.insertNodeAtEndOfScope(context.file, scope, newFunction); + } + importAdder.writeFixes(changeTracker); + var newNodes = []; + // replace range with function call + var called = getCalledExpression(scope, range, functionNameText); + if (callThis) { + callArguments.unshift(ts.factory.createIdentifier("this")); + } + var call = ts.factory.createCallExpression(callThis ? ts.factory.createPropertyAccessExpression(called, "call") : called, callTypeArguments, // Note that no attempt is made to take advantage of type argument inference + callArguments); + if (range.facts & RangeFacts.IsGenerator) { + call = ts.factory.createYieldExpression(ts.factory.createToken(41 /* SyntaxKind.AsteriskToken */), call); + } + if (range.facts & RangeFacts.IsAsyncFunction) { + call = ts.factory.createAwaitExpression(call); + } + if (isInJSXContent(node)) { + call = ts.factory.createJsxExpression(/*dotDotDotToken*/ undefined, call); + } + if (exposedVariableDeclarations.length && !writes) { + // No need to mix declarations and writes. + // How could any variables be exposed if there's a return statement? + ts.Debug.assert(!returnValueProperty, "Expected no returnValueProperty"); + ts.Debug.assert(!(range.facts & RangeFacts.HasReturn), "Expected RangeFacts.HasReturn flag to be unset"); + if (exposedVariableDeclarations.length === 1) { + // Declaring exactly one variable: let x = newFunction(); + var variableDeclaration = exposedVariableDeclarations[0]; + newNodes.push(ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(ts.getSynthesizedDeepClone(variableDeclaration.name), /*exclamationToken*/ undefined, /*type*/ ts.getSynthesizedDeepClone(variableDeclaration.type), /*initializer*/ call)], // TODO (acasey): test binding patterns + variableDeclaration.parent.flags))); + } + else { + // Declaring multiple variables / return properties: + // let {x, y} = newFunction(); + var bindingElements = []; + var typeElements = []; + var commonNodeFlags = exposedVariableDeclarations[0].parent.flags; + var sawExplicitType = false; + for (var _i = 0, exposedVariableDeclarations_1 = exposedVariableDeclarations; _i < exposedVariableDeclarations_1.length; _i++) { + var variableDeclaration = exposedVariableDeclarations_1[_i]; + bindingElements.push(ts.factory.createBindingElement( + /*dotDotDotToken*/ undefined, + /*propertyName*/ undefined, + /*name*/ ts.getSynthesizedDeepClone(variableDeclaration.name))); + // Being returned through an object literal will have widened the type. + var variableType = checker.typeToTypeNode(checker.getBaseTypeOfLiteralType(checker.getTypeAtLocation(variableDeclaration)), scope, 1 /* NodeBuilderFlags.NoTruncation */); + typeElements.push(ts.factory.createPropertySignature( + /*modifiers*/ undefined, + /*name*/ variableDeclaration.symbol.name, + /*questionToken*/ undefined, + /*type*/ variableType)); + sawExplicitType = sawExplicitType || variableDeclaration.type !== undefined; + commonNodeFlags = commonNodeFlags & variableDeclaration.parent.flags; + } + var typeLiteral = sawExplicitType ? ts.factory.createTypeLiteralNode(typeElements) : undefined; + if (typeLiteral) { + ts.setEmitFlags(typeLiteral, 1 /* EmitFlags.SingleLine */); + } + newNodes.push(ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(ts.factory.createObjectBindingPattern(bindingElements), + /*exclamationToken*/ undefined, + /*type*/ typeLiteral, + /*initializer*/ call)], commonNodeFlags))); + } + } + else if (exposedVariableDeclarations.length || writes) { + if (exposedVariableDeclarations.length) { + // CONSIDER: we're going to create one statement per variable, but we could actually preserve their original grouping. + for (var _c = 0, exposedVariableDeclarations_2 = exposedVariableDeclarations; _c < exposedVariableDeclarations_2.length; _c++) { + var variableDeclaration = exposedVariableDeclarations_2[_c]; + var flags = variableDeclaration.parent.flags; + if (flags & 2 /* NodeFlags.Const */) { + flags = (flags & ~2 /* NodeFlags.Const */) | 1 /* NodeFlags.Let */; + } + newNodes.push(ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(variableDeclaration.symbol.name, /*exclamationToken*/ undefined, getTypeDeepCloneUnionUndefined(variableDeclaration.type))], flags))); + } + } + if (returnValueProperty) { + // has both writes and return, need to create variable declaration to hold return value; + newNodes.push(ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(returnValueProperty, /*exclamationToken*/ undefined, getTypeDeepCloneUnionUndefined(returnType))], 1 /* NodeFlags.Let */))); + } + var assignments = getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes); + if (returnValueProperty) { + assignments.unshift(ts.factory.createShorthandPropertyAssignment(returnValueProperty)); + } + // propagate writes back + if (assignments.length === 1) { + // We would only have introduced a return value property if there had been + // other assignments to make. + ts.Debug.assert(!returnValueProperty, "Shouldn't have returnValueProperty here"); + newNodes.push(ts.factory.createExpressionStatement(ts.factory.createAssignment(assignments[0].name, call))); + if (range.facts & RangeFacts.HasReturn) { + newNodes.push(ts.factory.createReturnStatement()); + } + } + else { + // emit e.g. + // { a, b, __return } = newFunction(a, b); + // return __return; + newNodes.push(ts.factory.createExpressionStatement(ts.factory.createAssignment(ts.factory.createObjectLiteralExpression(assignments), call))); + if (returnValueProperty) { + newNodes.push(ts.factory.createReturnStatement(ts.factory.createIdentifier(returnValueProperty))); + } + } + } + else { + if (range.facts & RangeFacts.HasReturn) { + newNodes.push(ts.factory.createReturnStatement(call)); + } + else if (isReadonlyArray(range.range)) { + newNodes.push(ts.factory.createExpressionStatement(call)); + } + else { + newNodes.push(call); + } + } + if (isReadonlyArray(range.range)) { + changeTracker.replaceNodeRangeWithNodes(context.file, ts.first(range.range), ts.last(range.range), newNodes); + } + else { + changeTracker.replaceNodeWithNodes(context.file, range.range, newNodes); + } + var edits = changeTracker.getChanges(); + var renameRange = isReadonlyArray(range.range) ? ts.first(range.range) : range.range; + var renameFilename = renameRange.getSourceFile().fileName; + var renameLocation = ts.getRenameLocation(edits, renameFilename, functionNameText, /*isDeclaredBeforeUse*/ false); + return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits }; + function getTypeDeepCloneUnionUndefined(typeNode) { + if (typeNode === undefined) { + return undefined; + } + var clone = ts.getSynthesizedDeepClone(typeNode); + var withoutParens = clone; + while (ts.isParenthesizedTypeNode(withoutParens)) { + withoutParens = withoutParens.type; + } + return ts.isUnionTypeNode(withoutParens) && ts.find(withoutParens.types, function (t) { return t.kind === 153 /* SyntaxKind.UndefinedKeyword */; }) + ? clone + : ts.factory.createUnionTypeNode([clone, ts.factory.createKeywordTypeNode(153 /* SyntaxKind.UndefinedKeyword */)]); + } + } + /** + * Result of 'extractRange' operation for a specific scope. + * Stores either a list of changes that should be applied to extract a range or a list of errors + */ + function extractConstantInScope(node, scope, _a, rangeFacts, context) { + var _b; + var substitutions = _a.substitutions; + var checker = context.program.getTypeChecker(); + // Make a unique name for the extracted variable + var file = scope.getSourceFile(); + var localNameText = ts.isPropertyAccessExpression(node) && !ts.isClassLike(scope) && !checker.resolveName(node.name.text, node, 111551 /* SymbolFlags.Value */, /*excludeGlobals*/ false) && !ts.isPrivateIdentifier(node.name) && !ts.isKeyword(node.name.originalKeywordKind) + ? node.name.text + : ts.getUniqueName(ts.isClassLike(scope) ? "newProperty" : "newLocal", file); + var isJS = ts.isInJSFile(scope); + var variableType = isJS || !checker.isContextSensitive(node) + ? undefined + : checker.typeToTypeNode(checker.getContextualType(node), scope, 1 /* NodeBuilderFlags.NoTruncation */); // TODO: GH#18217 + var initializer = transformConstantInitializer(ts.skipParentheses(node), substitutions); + (_b = transformFunctionInitializerAndType(variableType, initializer), variableType = _b.variableType, initializer = _b.initializer); + ts.suppressLeadingAndTrailingTrivia(initializer); + var changeTracker = ts.textChanges.ChangeTracker.fromContext(context); + if (ts.isClassLike(scope)) { + ts.Debug.assert(!isJS, "Cannot extract to a JS class"); // See CannotExtractToJSClass + var modifiers = []; + modifiers.push(ts.factory.createModifier(121 /* SyntaxKind.PrivateKeyword */)); + if (rangeFacts & RangeFacts.InStaticRegion) { + modifiers.push(ts.factory.createModifier(124 /* SyntaxKind.StaticKeyword */)); + } + modifiers.push(ts.factory.createModifier(145 /* SyntaxKind.ReadonlyKeyword */)); + var newVariable = ts.factory.createPropertyDeclaration( + /*decorators*/ undefined, modifiers, localNameText, + /*questionToken*/ undefined, variableType, initializer); + var localReference = ts.factory.createPropertyAccessExpression(rangeFacts & RangeFacts.InStaticRegion + ? ts.factory.createIdentifier(scope.name.getText()) // TODO: GH#18217 + : ts.factory.createThis(), ts.factory.createIdentifier(localNameText)); + if (isInJSXContent(node)) { + localReference = ts.factory.createJsxExpression(/*dotDotDotToken*/ undefined, localReference); + } + // Declare + var maxInsertionPos = node.pos; + var nodeToInsertBefore = getNodeToInsertPropertyBefore(maxInsertionPos, scope); + changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newVariable, /*blankLineBetween*/ true); + // Consume + changeTracker.replaceNode(context.file, node, localReference); + } + else { + var newVariableDeclaration = ts.factory.createVariableDeclaration(localNameText, /*exclamationToken*/ undefined, variableType, initializer); + // If the node is part of an initializer in a list of variable declarations, insert a new + // variable declaration into the list (in case it depends on earlier ones). + // CONSIDER: If the declaration list isn't const, we might want to split it into multiple + // lists so that the newly extracted one can be const. + var oldVariableDeclaration = getContainingVariableDeclarationIfInList(node, scope); + if (oldVariableDeclaration) { + // Declare + // CONSIDER: could detect that each is on a separate line (See `extractConstant_VariableList_MultipleLines` in `extractConstants.ts`) + changeTracker.insertNodeBefore(context.file, oldVariableDeclaration, newVariableDeclaration); + // Consume + var localReference = ts.factory.createIdentifier(localNameText); + changeTracker.replaceNode(context.file, node, localReference); + } + else if (node.parent.kind === 238 /* SyntaxKind.ExpressionStatement */ && scope === ts.findAncestor(node, isScope)) { + // If the parent is an expression statement and the target scope is the immediately enclosing one, + // replace the statement with the declaration. + var newVariableStatement = ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([newVariableDeclaration], 2 /* NodeFlags.Const */)); + changeTracker.replaceNode(context.file, node.parent, newVariableStatement); + } + else { + var newVariableStatement = ts.factory.createVariableStatement( + /*modifiers*/ undefined, ts.factory.createVariableDeclarationList([newVariableDeclaration], 2 /* NodeFlags.Const */)); + // Declare + var nodeToInsertBefore = getNodeToInsertConstantBefore(node, scope); + if (nodeToInsertBefore.pos === 0) { + changeTracker.insertNodeAtTopOfFile(context.file, newVariableStatement, /*blankLineBetween*/ false); + } + else { + changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newVariableStatement, /*blankLineBetween*/ false); + } + // Consume + if (node.parent.kind === 238 /* SyntaxKind.ExpressionStatement */) { + // If the parent is an expression statement, delete it. + changeTracker.delete(context.file, node.parent); + } + else { + var localReference = ts.factory.createIdentifier(localNameText); + // When extract to a new variable in JSX content, need to wrap a {} out of the new variable + // or it will become a plain text + if (isInJSXContent(node)) { + localReference = ts.factory.createJsxExpression(/*dotDotDotToken*/ undefined, localReference); + } + changeTracker.replaceNode(context.file, node, localReference); + } + } + } + var edits = changeTracker.getChanges(); + var renameFilename = node.getSourceFile().fileName; + var renameLocation = ts.getRenameLocation(edits, renameFilename, localNameText, /*isDeclaredBeforeUse*/ true); + return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits }; + function transformFunctionInitializerAndType(variableType, initializer) { + // If no contextual type exists there is nothing to transfer to the function signature + if (variableType === undefined) + return { variableType: variableType, initializer: initializer }; + // Only do this for function expressions and arrow functions that are not generic + if (!ts.isFunctionExpression(initializer) && !ts.isArrowFunction(initializer) || !!initializer.typeParameters) + return { variableType: variableType, initializer: initializer }; + var functionType = checker.getTypeAtLocation(node); + var functionSignature = ts.singleOrUndefined(checker.getSignaturesOfType(functionType, 0 /* SignatureKind.Call */)); + // If no function signature, maybe there was an error, do nothing + if (!functionSignature) + return { variableType: variableType, initializer: initializer }; + // If the function signature has generic type parameters we don't attempt to move the parameters + if (!!functionSignature.getTypeParameters()) + return { variableType: variableType, initializer: initializer }; + // We add parameter types if needed + var parameters = []; + var hasAny = false; + for (var _i = 0, _a = initializer.parameters; _i < _a.length; _i++) { + var p = _a[_i]; + if (p.type) { + parameters.push(p); + } + else { + var paramType = checker.getTypeAtLocation(p); + if (paramType === checker.getAnyType()) + hasAny = true; + parameters.push(ts.factory.updateParameterDeclaration(p, p.decorators, p.modifiers, p.dotDotDotToken, p.name, p.questionToken, p.type || checker.typeToTypeNode(paramType, scope, 1 /* NodeBuilderFlags.NoTruncation */), p.initializer)); + } + } + // If a parameter was inferred as any we skip adding function parameters at all. + // Turning an implicit any (which under common settings is a error) to an explicit + // is probably actually a worse refactor outcome. + if (hasAny) + return { variableType: variableType, initializer: initializer }; + variableType = undefined; + if (ts.isArrowFunction(initializer)) { + initializer = ts.factory.updateArrowFunction(initializer, node.modifiers, initializer.typeParameters, parameters, initializer.type || checker.typeToTypeNode(functionSignature.getReturnType(), scope, 1 /* NodeBuilderFlags.NoTruncation */), initializer.equalsGreaterThanToken, initializer.body); + } + else { + if (functionSignature && !!functionSignature.thisParameter) { + var firstParameter = ts.firstOrUndefined(parameters); + // If the function signature has a this parameter and if the first defined parameter is not the this parameter, we must add it + // Note: If this parameter was already there, it would have been previously updated with the type if not type was present + if ((!firstParameter || (ts.isIdentifier(firstParameter.name) && firstParameter.name.escapedText !== "this"))) { + var thisType = checker.getTypeOfSymbolAtLocation(functionSignature.thisParameter, node); + parameters.splice(0, 0, ts.factory.createParameterDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, + /* dotDotDotToken */ undefined, "this", + /* questionToken */ undefined, checker.typeToTypeNode(thisType, scope, 1 /* NodeBuilderFlags.NoTruncation */))); + } + } + initializer = ts.factory.updateFunctionExpression(initializer, node.modifiers, initializer.asteriskToken, initializer.name, initializer.typeParameters, parameters, initializer.type || checker.typeToTypeNode(functionSignature.getReturnType(), scope, 1 /* NodeBuilderFlags.NoTruncation */), initializer.body); + } + return { variableType: variableType, initializer: initializer }; + } + } + function getContainingVariableDeclarationIfInList(node, scope) { + var prevNode; + while (node !== undefined && node !== scope) { + if (ts.isVariableDeclaration(node) && + node.initializer === prevNode && + ts.isVariableDeclarationList(node.parent) && + node.parent.declarations.length > 1) { + return node; + } + prevNode = node; + node = node.parent; + } + } + function getFirstDeclaration(type) { + var firstDeclaration; + var symbol = type.symbol; + if (symbol && symbol.declarations) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (firstDeclaration === undefined || declaration.pos < firstDeclaration.pos) { + firstDeclaration = declaration; + } + } + } + return firstDeclaration; + } + function compareTypesByDeclarationOrder(_a, _b) { + var type1 = _a.type, declaration1 = _a.declaration; + var type2 = _b.type, declaration2 = _b.declaration; + return ts.compareProperties(declaration1, declaration2, "pos", ts.compareValues) + || ts.compareStringsCaseSensitive(type1.symbol ? type1.symbol.getName() : "", type2.symbol ? type2.symbol.getName() : "") + || ts.compareValues(type1.id, type2.id); + } + function getCalledExpression(scope, range, functionNameText) { + var functionReference = ts.factory.createIdentifier(functionNameText); + if (ts.isClassLike(scope)) { + var lhs = range.facts & RangeFacts.InStaticRegion ? ts.factory.createIdentifier(scope.name.text) : ts.factory.createThis(); // TODO: GH#18217 + return ts.factory.createPropertyAccessExpression(lhs, functionReference); + } + else { + return functionReference; + } + } + function transformFunctionBody(body, exposedVariableDeclarations, writes, substitutions, hasReturn) { + var hasWritesOrVariableDeclarations = writes !== undefined || exposedVariableDeclarations.length > 0; + if (ts.isBlock(body) && !hasWritesOrVariableDeclarations && substitutions.size === 0) { + // already block, no declarations or writes to propagate back, no substitutions - can use node as is + return { body: ts.factory.createBlock(body.statements, /*multLine*/ true), returnValueProperty: undefined }; + } + var returnValueProperty; + var ignoreReturns = false; + var statements = ts.factory.createNodeArray(ts.isBlock(body) ? body.statements.slice(0) : [ts.isStatement(body) ? body : ts.factory.createReturnStatement(ts.skipParentheses(body))]); + // rewrite body if either there are writes that should be propagated back via return statements or there are substitutions + if (hasWritesOrVariableDeclarations || substitutions.size) { + var rewrittenStatements = ts.visitNodes(statements, visitor).slice(); + if (hasWritesOrVariableDeclarations && !hasReturn && ts.isStatement(body)) { + // add return at the end to propagate writes back in case if control flow falls out of the function body + // it is ok to know that range has at least one return since it we only allow unconditional returns + var assignments = getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes); + if (assignments.length === 1) { + rewrittenStatements.push(ts.factory.createReturnStatement(assignments[0].name)); + } + else { + rewrittenStatements.push(ts.factory.createReturnStatement(ts.factory.createObjectLiteralExpression(assignments))); + } + } + return { body: ts.factory.createBlock(rewrittenStatements, /*multiLine*/ true), returnValueProperty: returnValueProperty }; + } + else { + return { body: ts.factory.createBlock(statements, /*multiLine*/ true), returnValueProperty: undefined }; + } + function visitor(node) { + if (!ignoreReturns && ts.isReturnStatement(node) && hasWritesOrVariableDeclarations) { + var assignments = getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes); + if (node.expression) { + if (!returnValueProperty) { + returnValueProperty = "__return"; + } + assignments.unshift(ts.factory.createPropertyAssignment(returnValueProperty, ts.visitNode(node.expression, visitor))); + } + if (assignments.length === 1) { + return ts.factory.createReturnStatement(assignments[0].name); + } + else { + return ts.factory.createReturnStatement(ts.factory.createObjectLiteralExpression(assignments)); + } + } + else { + var oldIgnoreReturns = ignoreReturns; + ignoreReturns = ignoreReturns || ts.isFunctionLikeDeclaration(node) || ts.isClassLike(node); + var substitution = substitutions.get(ts.getNodeId(node).toString()); + var result = substitution ? ts.getSynthesizedDeepClone(substitution) : ts.visitEachChild(node, visitor, ts.nullTransformationContext); + ignoreReturns = oldIgnoreReturns; + return result; + } + } + } + function transformConstantInitializer(initializer, substitutions) { + return substitutions.size + ? visitor(initializer) + : initializer; + function visitor(node) { + var substitution = substitutions.get(ts.getNodeId(node).toString()); + return substitution ? ts.getSynthesizedDeepClone(substitution) : ts.visitEachChild(node, visitor, ts.nullTransformationContext); + } + } + function getStatementsOrClassElements(scope) { + if (ts.isFunctionLikeDeclaration(scope)) { + var body = scope.body; // TODO: GH#18217 + if (ts.isBlock(body)) { + return body.statements; + } + } + else if (ts.isModuleBlock(scope) || ts.isSourceFile(scope)) { + return scope.statements; + } + else if (ts.isClassLike(scope)) { + return scope.members; + } + else { + ts.assertType(scope); + } + return ts.emptyArray; + } + /** + * If `scope` contains a function after `minPos`, then return the first such function. + * Otherwise, return `undefined`. + */ + function getNodeToInsertFunctionBefore(minPos, scope) { + return ts.find(getStatementsOrClassElements(scope), function (child) { + return child.pos >= minPos && ts.isFunctionLikeDeclaration(child) && !ts.isConstructorDeclaration(child); + }); + } + function getNodeToInsertPropertyBefore(maxPos, scope) { + var members = scope.members; + ts.Debug.assert(members.length > 0, "Found no members"); // There must be at least one child, since we extracted from one. + var prevMember; + var allProperties = true; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.pos > maxPos) { + return prevMember || members[0]; + } + if (allProperties && !ts.isPropertyDeclaration(member)) { + // If it is non-vacuously true that all preceding members are properties, + // insert before the current member (i.e. at the end of the list of properties). + if (prevMember !== undefined) { + return member; + } + allProperties = false; + } + prevMember = member; + } + if (prevMember === undefined) + return ts.Debug.fail(); // If the loop didn't return, then it did set prevMember. + return prevMember; + } + function getNodeToInsertConstantBefore(node, scope) { + ts.Debug.assert(!ts.isClassLike(scope)); + var prevScope; + for (var curr = node; curr !== scope; curr = curr.parent) { + if (isScope(curr)) { + prevScope = curr; + } + } + for (var curr = (prevScope || node).parent;; curr = curr.parent) { + if (isBlockLike(curr)) { + var prevStatement = void 0; + for (var _i = 0, _a = curr.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (statement.pos > node.pos) { + break; + } + prevStatement = statement; + } + if (!prevStatement && ts.isCaseClause(curr)) { + // We must have been in the expression of the case clause. + ts.Debug.assert(ts.isSwitchStatement(curr.parent.parent), "Grandparent isn't a switch statement"); + return curr.parent.parent; + } + // There must be at least one statement since we started in one. + return ts.Debug.checkDefined(prevStatement, "prevStatement failed to get set"); + } + ts.Debug.assert(curr !== scope, "Didn't encounter a block-like before encountering scope"); + } + } + function getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes) { + var variableAssignments = ts.map(exposedVariableDeclarations, function (v) { return ts.factory.createShorthandPropertyAssignment(v.symbol.name); }); + var writeAssignments = ts.map(writes, function (w) { return ts.factory.createShorthandPropertyAssignment(w.symbol.name); }); + // TODO: GH#18217 `variableAssignments` not possibly undefined! + return variableAssignments === undefined + ? writeAssignments + : writeAssignments === undefined + ? variableAssignments + : variableAssignments.concat(writeAssignments); + } + function isReadonlyArray(v) { + return ts.isArray(v); + } + /** + * Produces a range that spans the entirety of nodes, given a selection + * that might start/end in the middle of nodes. + * + * For example, when the user makes a selection like this + * v---v + * var someThing = foo + bar; + * this returns ^-------^ + */ + function getEnclosingTextRange(targetRange, sourceFile) { + return isReadonlyArray(targetRange.range) + ? { pos: ts.first(targetRange.range).getStart(sourceFile), end: ts.last(targetRange.range).getEnd() } + : targetRange.range; + } + var Usage; + (function (Usage) { + // value should be passed to extracted method + Usage[Usage["Read"] = 1] = "Read"; + // value should be passed to extracted method and propagated back + Usage[Usage["Write"] = 2] = "Write"; + })(Usage || (Usage = {})); + function collectReadsAndWrites(targetRange, scopes, enclosingTextRange, sourceFile, checker, cancellationToken) { + var allTypeParameterUsages = new ts.Map(); // Key is type ID + var usagesPerScope = []; + var substitutionsPerScope = []; + var functionErrorsPerScope = []; + var constantErrorsPerScope = []; + var visibleDeclarationsInExtractedRange = []; + var exposedVariableSymbolSet = new ts.Map(); // Key is symbol ID + var exposedVariableDeclarations = []; + var firstExposedNonVariableDeclaration; + var expression = !isReadonlyArray(targetRange.range) + ? targetRange.range + : targetRange.range.length === 1 && ts.isExpressionStatement(targetRange.range[0]) + ? targetRange.range[0].expression + : undefined; + var expressionDiagnostic; + if (expression === undefined) { + var statements = targetRange.range; + var start = ts.first(statements).getStart(); + var end = ts.last(statements).end; + expressionDiagnostic = ts.createFileDiagnostic(sourceFile, start, end - start, Messages.expressionExpected); + } + else if (checker.getTypeAtLocation(expression).flags & (16384 /* TypeFlags.Void */ | 131072 /* TypeFlags.Never */)) { + expressionDiagnostic = ts.createDiagnosticForNode(expression, Messages.uselessConstantType); + } + // initialize results + for (var _i = 0, scopes_1 = scopes; _i < scopes_1.length; _i++) { + var scope = scopes_1[_i]; + usagesPerScope.push({ usages: new ts.Map(), typeParameterUsages: new ts.Map(), substitutions: new ts.Map() }); + substitutionsPerScope.push(new ts.Map()); + functionErrorsPerScope.push([]); + var constantErrors = []; + if (expressionDiagnostic) { + constantErrors.push(expressionDiagnostic); + } + if (ts.isClassLike(scope) && ts.isInJSFile(scope)) { + constantErrors.push(ts.createDiagnosticForNode(scope, Messages.cannotExtractToJSClass)); + } + if (ts.isArrowFunction(scope) && !ts.isBlock(scope.body)) { + // TODO (https://github.com/Microsoft/TypeScript/issues/18924): allow this + constantErrors.push(ts.createDiagnosticForNode(scope, Messages.cannotExtractToExpressionArrowFunction)); + } + constantErrorsPerScope.push(constantErrors); + } + var seenUsages = new ts.Map(); + var target = isReadonlyArray(targetRange.range) ? ts.factory.createBlock(targetRange.range) : targetRange.range; + var unmodifiedNode = isReadonlyArray(targetRange.range) ? ts.first(targetRange.range) : targetRange.range; + var inGenericContext = isInGenericContext(unmodifiedNode); + collectUsages(target); + // Unfortunately, this code takes advantage of the knowledge that the generated method + // will use the contextual type of an expression as the return type of the extracted + // method (and will therefore "use" all the types involved). + if (inGenericContext && !isReadonlyArray(targetRange.range) && !ts.isJsxAttribute(targetRange.range)) { + var contextualType = checker.getContextualType(targetRange.range); // TODO: GH#18217 + recordTypeParameterUsages(contextualType); + } + if (allTypeParameterUsages.size > 0) { + var seenTypeParameterUsages = new ts.Map(); // Key is type ID + var i_2 = 0; + for (var curr = unmodifiedNode; curr !== undefined && i_2 < scopes.length; curr = curr.parent) { + if (curr === scopes[i_2]) { + // Copy current contents of seenTypeParameterUsages into scope. + seenTypeParameterUsages.forEach(function (typeParameter, id) { + usagesPerScope[i_2].typeParameterUsages.set(id, typeParameter); + }); + i_2++; + } + // Note that we add the current node's type parameters *after* updating the corresponding scope. + if (ts.isDeclarationWithTypeParameters(curr)) { + for (var _a = 0, _b = ts.getEffectiveTypeParameterDeclarations(curr); _a < _b.length; _a++) { + var typeParameterDecl = _b[_a]; + var typeParameter = checker.getTypeAtLocation(typeParameterDecl); + if (allTypeParameterUsages.has(typeParameter.id.toString())) { + seenTypeParameterUsages.set(typeParameter.id.toString(), typeParameter); + } + } + } + } + // If we didn't get through all the scopes, then there were some that weren't in our + // parent chain (impossible at time of writing). A conservative solution would be to + // copy allTypeParameterUsages into all remaining scopes. + ts.Debug.assert(i_2 === scopes.length, "Should have iterated all scopes"); + } + // If there are any declarations in the extracted block that are used in the same enclosing + // lexical scope, we can't move the extraction "up" as those declarations will become unreachable + if (visibleDeclarationsInExtractedRange.length) { + var containingLexicalScopeOfExtraction = ts.isBlockScope(scopes[0], scopes[0].parent) + ? scopes[0] + : ts.getEnclosingBlockScopeContainer(scopes[0]); + ts.forEachChild(containingLexicalScopeOfExtraction, checkForUsedDeclarations); + } + var _loop_18 = function (i) { + var scopeUsages = usagesPerScope[i]; + // Special case: in the innermost scope, all usages are available. + // (The computed value reflects the value at the top-level of the scope, but the + // local will actually be declared at the same level as the extracted expression). + if (i > 0 && (scopeUsages.usages.size > 0 || scopeUsages.typeParameterUsages.size > 0)) { + var errorNode = isReadonlyArray(targetRange.range) ? targetRange.range[0] : targetRange.range; + constantErrorsPerScope[i].push(ts.createDiagnosticForNode(errorNode, Messages.cannotAccessVariablesFromNestedScopes)); + } + if (targetRange.facts & RangeFacts.UsesThisInFunction && ts.isClassLike(scopes[i])) { + functionErrorsPerScope[i].push(ts.createDiagnosticForNode(targetRange.thisNode, Messages.cannotExtractFunctionsContainingThisToMethod)); + } + var hasWrite = false; + var readonlyClassPropertyWrite; + usagesPerScope[i].usages.forEach(function (value) { + if (value.usage === 2 /* Usage.Write */) { + hasWrite = true; + if (value.symbol.flags & 106500 /* SymbolFlags.ClassMember */ && + value.symbol.valueDeclaration && + ts.hasEffectiveModifier(value.symbol.valueDeclaration, 64 /* ModifierFlags.Readonly */)) { + readonlyClassPropertyWrite = value.symbol.valueDeclaration; + } + } + }); + // If an expression was extracted, then there shouldn't have been any variable declarations. + ts.Debug.assert(isReadonlyArray(targetRange.range) || exposedVariableDeclarations.length === 0, "No variable declarations expected if something was extracted"); + if (hasWrite && !isReadonlyArray(targetRange.range)) { + var diag = ts.createDiagnosticForNode(targetRange.range, Messages.cannotWriteInExpression); + functionErrorsPerScope[i].push(diag); + constantErrorsPerScope[i].push(diag); + } + else if (readonlyClassPropertyWrite && i > 0) { + var diag = ts.createDiagnosticForNode(readonlyClassPropertyWrite, Messages.cannotExtractReadonlyPropertyInitializerOutsideConstructor); + functionErrorsPerScope[i].push(diag); + constantErrorsPerScope[i].push(diag); + } + else if (firstExposedNonVariableDeclaration) { + var diag = ts.createDiagnosticForNode(firstExposedNonVariableDeclaration, Messages.cannotExtractExportedEntity); + functionErrorsPerScope[i].push(diag); + constantErrorsPerScope[i].push(diag); + } + }; + for (var i = 0; i < scopes.length; i++) { + _loop_18(i); + } + return { target: target, usagesPerScope: usagesPerScope, functionErrorsPerScope: functionErrorsPerScope, constantErrorsPerScope: constantErrorsPerScope, exposedVariableDeclarations: exposedVariableDeclarations }; + function isInGenericContext(node) { + return !!ts.findAncestor(node, function (n) { return ts.isDeclarationWithTypeParameters(n) && ts.getEffectiveTypeParameterDeclarations(n).length !== 0; }); + } + function recordTypeParameterUsages(type) { + // PERF: This is potentially very expensive. `type` could be a library type with + // a lot of properties, each of which the walker will visit. Unfortunately, the + // solution isn't as trivial as filtering to user types because of (e.g.) Array. + var symbolWalker = checker.getSymbolWalker(function () { return (cancellationToken.throwIfCancellationRequested(), true); }); + var visitedTypes = symbolWalker.walkType(type).visitedTypes; + for (var _i = 0, visitedTypes_1 = visitedTypes; _i < visitedTypes_1.length; _i++) { + var visitedType = visitedTypes_1[_i]; + if (visitedType.isTypeParameter()) { + allTypeParameterUsages.set(visitedType.id.toString(), visitedType); + } + } + } + function collectUsages(node, valueUsage) { + if (valueUsage === void 0) { valueUsage = 1 /* Usage.Read */; } + if (inGenericContext) { + var type = checker.getTypeAtLocation(node); + recordTypeParameterUsages(type); + } + if (ts.isDeclaration(node) && node.symbol) { + visibleDeclarationsInExtractedRange.push(node); + } + if (ts.isAssignmentExpression(node)) { + // use 'write' as default usage for values + collectUsages(node.left, 2 /* Usage.Write */); + collectUsages(node.right); + } + else if (ts.isUnaryExpressionWithWrite(node)) { + collectUsages(node.operand, 2 /* Usage.Write */); + } + else if (ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node)) { + // use 'write' as default usage for values + ts.forEachChild(node, collectUsages); + } + else if (ts.isIdentifier(node)) { + if (!node.parent) { + return; + } + if (ts.isQualifiedName(node.parent) && node !== node.parent.left) { + return; + } + if (ts.isPropertyAccessExpression(node.parent) && node !== node.parent.expression) { + return; + } + recordUsage(node, valueUsage, /*isTypeNode*/ ts.isPartOfTypeNode(node)); + } + else { + ts.forEachChild(node, collectUsages); + } + } + function recordUsage(n, usage, isTypeNode) { + var symbolId = recordUsagebySymbol(n, usage, isTypeNode); + if (symbolId) { + for (var i = 0; i < scopes.length; i++) { + // push substitution from map to map to simplify rewriting + var substitution = substitutionsPerScope[i].get(symbolId); + if (substitution) { + usagesPerScope[i].substitutions.set(ts.getNodeId(n).toString(), substitution); + } + } + } + } + function recordUsagebySymbol(identifier, usage, isTypeName) { + var symbol = getSymbolReferencedByIdentifier(identifier); + if (!symbol) { + // cannot find symbol - do nothing + return undefined; + } + var symbolId = ts.getSymbolId(symbol).toString(); + var lastUsage = seenUsages.get(symbolId); + // there are two kinds of value usages + // - reads - if range contains a read from the value located outside of the range then value should be passed as a parameter + // - writes - if range contains a write to a value located outside the range the value should be passed as a parameter and + // returned as a return value + // 'write' case is a superset of 'read' so if we already have processed 'write' of some symbol there is not need to handle 'read' + // since all information is already recorded + if (lastUsage && lastUsage >= usage) { + return symbolId; + } + seenUsages.set(symbolId, usage); + if (lastUsage) { + // if we get here this means that we are trying to handle 'write' and 'read' was already processed + // walk scopes and update existing records. + for (var _i = 0, usagesPerScope_1 = usagesPerScope; _i < usagesPerScope_1.length; _i++) { + var perScope = usagesPerScope_1[_i]; + var prevEntry = perScope.usages.get(identifier.text); + if (prevEntry) { + perScope.usages.set(identifier.text, { usage: usage, symbol: symbol, node: identifier }); + } + } + return symbolId; + } + // find first declaration in this file + var decls = symbol.getDeclarations(); + var declInFile = decls && ts.find(decls, function (d) { return d.getSourceFile() === sourceFile; }); + if (!declInFile) { + return undefined; + } + if (ts.rangeContainsStartEnd(enclosingTextRange, declInFile.getStart(), declInFile.end)) { + // declaration is located in range to be extracted - do nothing + return undefined; + } + if (targetRange.facts & RangeFacts.IsGenerator && usage === 2 /* Usage.Write */) { + // this is write to a reference located outside of the target scope and range is extracted into generator + // currently this is unsupported scenario + var diag = ts.createDiagnosticForNode(identifier, Messages.cannotExtractRangeThatContainsWritesToReferencesLocatedOutsideOfTheTargetRangeInGenerators); + for (var _a = 0, functionErrorsPerScope_1 = functionErrorsPerScope; _a < functionErrorsPerScope_1.length; _a++) { + var errors = functionErrorsPerScope_1[_a]; + errors.push(diag); + } + for (var _b = 0, constantErrorsPerScope_1 = constantErrorsPerScope; _b < constantErrorsPerScope_1.length; _b++) { + var errors = constantErrorsPerScope_1[_b]; + errors.push(diag); + } + } + for (var i = 0; i < scopes.length; i++) { + var scope = scopes[i]; + var resolvedSymbol = checker.resolveName(symbol.name, scope, symbol.flags, /*excludeGlobals*/ false); + if (resolvedSymbol === symbol) { + continue; + } + if (!substitutionsPerScope[i].has(symbolId)) { + var substitution = tryReplaceWithQualifiedNameOrPropertyAccess(symbol.exportSymbol || symbol, scope, isTypeName); + if (substitution) { + substitutionsPerScope[i].set(symbolId, substitution); + } + else if (isTypeName) { + // If the symbol is a type parameter that won't be in scope, we'll pass it as a type argument + // so there's no problem. + if (!(symbol.flags & 262144 /* SymbolFlags.TypeParameter */)) { + var diag = ts.createDiagnosticForNode(identifier, Messages.typeWillNotBeVisibleInTheNewScope); + functionErrorsPerScope[i].push(diag); + constantErrorsPerScope[i].push(diag); + } + } + else { + usagesPerScope[i].usages.set(identifier.text, { usage: usage, symbol: symbol, node: identifier }); + } + } + } + return symbolId; + } + function checkForUsedDeclarations(node) { + // If this node is entirely within the original extraction range, we don't need to do anything. + if (node === targetRange.range || (isReadonlyArray(targetRange.range) && targetRange.range.indexOf(node) >= 0)) { + return; + } + // Otherwise check and recurse. + var sym = ts.isIdentifier(node) + ? getSymbolReferencedByIdentifier(node) + : checker.getSymbolAtLocation(node); + if (sym) { + var decl = ts.find(visibleDeclarationsInExtractedRange, function (d) { return d.symbol === sym; }); + if (decl) { + if (ts.isVariableDeclaration(decl)) { + var idString = decl.symbol.id.toString(); + if (!exposedVariableSymbolSet.has(idString)) { + exposedVariableDeclarations.push(decl); + exposedVariableSymbolSet.set(idString, true); + } + } + else { + // CONSIDER: this includes binding elements, which we could + // expose in the same way as variables. + firstExposedNonVariableDeclaration = firstExposedNonVariableDeclaration || decl; + } + } + } + ts.forEachChild(node, checkForUsedDeclarations); + } + /** + * Return the symbol referenced by an identifier (even if it declares a different symbol). + */ + function getSymbolReferencedByIdentifier(identifier) { + // If the identifier is both a property name and its value, we're only interested in its value + // (since the name is a declaration and will be included in the extracted range). + return identifier.parent && ts.isShorthandPropertyAssignment(identifier.parent) && identifier.parent.name === identifier + ? checker.getShorthandAssignmentValueSymbol(identifier.parent) + : checker.getSymbolAtLocation(identifier); + } + function tryReplaceWithQualifiedNameOrPropertyAccess(symbol, scopeDecl, isTypeNode) { + if (!symbol) { + return undefined; + } + var decls = symbol.getDeclarations(); + if (decls && decls.some(function (d) { return d.parent === scopeDecl; })) { + return ts.factory.createIdentifier(symbol.name); + } + var prefix = tryReplaceWithQualifiedNameOrPropertyAccess(symbol.parent, scopeDecl, isTypeNode); + if (prefix === undefined) { + return undefined; + } + return isTypeNode + ? ts.factory.createQualifiedName(prefix, ts.factory.createIdentifier(symbol.name)) + : ts.factory.createPropertyAccessExpression(prefix, symbol.name); + } + } + function getExtractableParent(node) { + return ts.findAncestor(node, function (node) { return node.parent && isExtractableExpression(node) && !ts.isBinaryExpression(node.parent); }); + } + /** + * Computes whether or not a node represents an expression in a position where it could + * be extracted. + * The isExpression() in utilities.ts returns some false positives we need to handle, + * such as `import x from 'y'` -- the 'y' is a StringLiteral but is *not* an expression + * in the sense of something that you could extract on + */ + function isExtractableExpression(node) { + var parent = node.parent; + switch (parent.kind) { + case 299 /* SyntaxKind.EnumMember */: + return false; + } + switch (node.kind) { + case 10 /* SyntaxKind.StringLiteral */: + return parent.kind !== 266 /* SyntaxKind.ImportDeclaration */ && + parent.kind !== 270 /* SyntaxKind.ImportSpecifier */; + case 225 /* SyntaxKind.SpreadElement */: + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 203 /* SyntaxKind.BindingElement */: + return false; + case 79 /* SyntaxKind.Identifier */: + return parent.kind !== 203 /* SyntaxKind.BindingElement */ && + parent.kind !== 270 /* SyntaxKind.ImportSpecifier */ && + parent.kind !== 275 /* SyntaxKind.ExportSpecifier */; + } + return true; + } + function isBlockLike(node) { + switch (node.kind) { + case 235 /* SyntaxKind.Block */: + case 305 /* SyntaxKind.SourceFile */: + case 262 /* SyntaxKind.ModuleBlock */: + case 289 /* SyntaxKind.CaseClause */: + return true; + default: + return false; + } + } + function isInJSXContent(node) { + return isStringLiteralJsxAttribute(node) || + (ts.isJsxElement(node) || ts.isJsxSelfClosingElement(node) || ts.isJsxFragment(node)) && (ts.isJsxElement(node.parent) || ts.isJsxFragment(node.parent)); + } + function isStringLiteralJsxAttribute(node) { + return ts.isStringLiteral(node) && node.parent && ts.isJsxAttribute(node.parent); + } + })(extractSymbol = refactor.extractSymbol || (refactor.extractSymbol = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var refactorName = "Extract type"; + var extractToTypeAliasAction = { + name: "Extract to type alias", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_type_alias), + kind: "refactor.extract.type", + }; + var extractToInterfaceAction = { + name: "Extract to interface", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_interface), + kind: "refactor.extract.interface", + }; + var extractToTypeDefAction = { + name: "Extract to typedef", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_typedef), + kind: "refactor.extract.typedef" + }; + refactor.registerRefactor(refactorName, { + kinds: [ + extractToTypeAliasAction.kind, + extractToInterfaceAction.kind, + extractToTypeDefAction.kind + ], + getAvailableActions: function getRefactorActionsToExtractType(context) { + var info = getRangeToExtract(context, context.triggerReason === "invoked"); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + return [{ + name: refactorName, + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_type), + actions: info.isJS ? + [extractToTypeDefAction] : ts.append([extractToTypeAliasAction], info.typeElements && extractToInterfaceAction) + }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [{ + name: refactorName, + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_type), + actions: [ + __assign(__assign({}, extractToTypeDefAction), { notApplicableReason: info.error }), + __assign(__assign({}, extractToTypeAliasAction), { notApplicableReason: info.error }), + __assign(__assign({}, extractToInterfaceAction), { notApplicableReason: info.error }), + ] + }]; + } + return ts.emptyArray; + }, + getEditsForAction: function getRefactorEditsToExtractType(context, actionName) { + var file = context.file; + var info = getRangeToExtract(context); + ts.Debug.assert(info && !refactor.isRefactorErrorInfo(info), "Expected to find a range to extract"); + var name = ts.getUniqueName("NewType", file); + var edits = ts.textChanges.ChangeTracker.with(context, function (changes) { + switch (actionName) { + case extractToTypeAliasAction.name: + ts.Debug.assert(!info.isJS, "Invalid actionName/JS combo"); + return doTypeAliasChange(changes, file, name, info); + case extractToTypeDefAction.name: + ts.Debug.assert(info.isJS, "Invalid actionName/JS combo"); + return doTypedefChange(changes, file, name, info); + case extractToInterfaceAction.name: + ts.Debug.assert(!info.isJS && !!info.typeElements, "Invalid actionName/JS combo"); + return doInterfaceChange(changes, file, name, info); + default: + ts.Debug.fail("Unexpected action name"); + } + }); + var renameFilename = file.fileName; + var renameLocation = ts.getRenameLocation(edits, renameFilename, name, /*preferLastLocation*/ false); + return { edits: edits, renameFilename: renameFilename, renameLocation: renameLocation }; + } + }); + function getRangeToExtract(context, considerEmptySpans) { + if (considerEmptySpans === void 0) { considerEmptySpans = true; } + var file = context.file, startPosition = context.startPosition; + var isJS = ts.isSourceFileJS(file); + var current = ts.getTokenAtPosition(file, startPosition); + var range = ts.createTextRangeFromSpan(ts.getRefactorContextSpan(context)); + var cursorRequest = range.pos === range.end && considerEmptySpans; + var selection = ts.findAncestor(current, (function (node) { return node.parent && ts.isTypeNode(node) && !rangeContainsSkipTrivia(range, node.parent, file) && + (cursorRequest || ts.nodeOverlapsWithStartEnd(current, file, range.pos, range.end)); })); + if (!selection || !ts.isTypeNode(selection)) + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Selection_is_not_a_valid_type_node) }; + var checker = context.program.getTypeChecker(); + var firstStatement = ts.Debug.checkDefined(ts.findAncestor(selection, ts.isStatement), "Should find a statement"); + var typeParameters = collectTypeParameters(checker, selection, firstStatement, file); + if (!typeParameters) + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.No_type_could_be_extracted_from_this_type_node) }; + var typeElements = flattenTypeLiteralNodeReference(checker, selection); + return { isJS: isJS, selection: selection, firstStatement: firstStatement, typeParameters: typeParameters, typeElements: typeElements }; + } + function flattenTypeLiteralNodeReference(checker, node) { + if (!node) + return undefined; + if (ts.isIntersectionTypeNode(node)) { + var result = []; + var seen_1 = new ts.Map(); + for (var _i = 0, _a = node.types; _i < _a.length; _i++) { + var type = _a[_i]; + var flattenedTypeMembers = flattenTypeLiteralNodeReference(checker, type); + if (!flattenedTypeMembers || !flattenedTypeMembers.every(function (type) { return type.name && ts.addToSeen(seen_1, ts.getNameFromPropertyName(type.name)); })) { + return undefined; + } + ts.addRange(result, flattenedTypeMembers); + } + return result; + } + else if (ts.isParenthesizedTypeNode(node)) { + return flattenTypeLiteralNodeReference(checker, node.type); + } + else if (ts.isTypeLiteralNode(node)) { + return node.members; + } + return undefined; + } + function rangeContainsSkipTrivia(r1, node, file) { + return ts.rangeContainsStartEnd(r1, ts.skipTrivia(file.text, node.pos), node.end); + } + function collectTypeParameters(checker, selection, statement, file) { + var result = []; + return visitor(selection) ? undefined : result; + function visitor(node) { + if (ts.isTypeReferenceNode(node)) { + if (ts.isIdentifier(node.typeName)) { + var typeName = node.typeName; + var symbol = checker.resolveName(typeName.text, typeName, 262144 /* SymbolFlags.TypeParameter */, /* excludeGlobals */ true); + for (var _i = 0, _a = (symbol === null || symbol === void 0 ? void 0 : symbol.declarations) || ts.emptyArray; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isTypeParameterDeclaration(decl) && decl.getSourceFile() === file) { + // skip extraction if the type node is in the range of the type parameter declaration. + // function foo(): void; + if (decl.name.escapedText === typeName.escapedText && rangeContainsSkipTrivia(decl, selection, file)) { + return true; + } + if (rangeContainsSkipTrivia(statement, decl, file) && !rangeContainsSkipTrivia(selection, decl, file)) { + ts.pushIfUnique(result, decl); + break; + } + } + } + } + } + else if (ts.isInferTypeNode(node)) { + var conditionalTypeNode = ts.findAncestor(node, function (n) { return ts.isConditionalTypeNode(n) && rangeContainsSkipTrivia(n.extendsType, node, file); }); + if (!conditionalTypeNode || !rangeContainsSkipTrivia(selection, conditionalTypeNode, file)) { + return true; + } + } + else if ((ts.isTypePredicateNode(node) || ts.isThisTypeNode(node))) { + var functionLikeNode = ts.findAncestor(node.parent, ts.isFunctionLike); + if (functionLikeNode && functionLikeNode.type && rangeContainsSkipTrivia(functionLikeNode.type, node, file) && !rangeContainsSkipTrivia(selection, functionLikeNode, file)) { + return true; + } + } + else if (ts.isTypeQueryNode(node)) { + if (ts.isIdentifier(node.exprName)) { + var symbol = checker.resolveName(node.exprName.text, node.exprName, 111551 /* SymbolFlags.Value */, /* excludeGlobals */ false); + if ((symbol === null || symbol === void 0 ? void 0 : symbol.valueDeclaration) && rangeContainsSkipTrivia(statement, symbol.valueDeclaration, file) && !rangeContainsSkipTrivia(selection, symbol.valueDeclaration, file)) { + return true; + } + } + else { + if (ts.isThisIdentifier(node.exprName.left) && !rangeContainsSkipTrivia(selection, node.parent, file)) { + return true; + } + } + } + if (file && ts.isTupleTypeNode(node) && (ts.getLineAndCharacterOfPosition(file, node.pos).line === ts.getLineAndCharacterOfPosition(file, node.end).line)) { + ts.setEmitFlags(node, 1 /* EmitFlags.SingleLine */); + } + return ts.forEachChild(node, visitor); + } + } + function doTypeAliasChange(changes, file, name, info) { + var firstStatement = info.firstStatement, selection = info.selection, typeParameters = info.typeParameters; + var newTypeNode = ts.factory.createTypeAliasDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, name, typeParameters.map(function (id) { return ts.factory.updateTypeParameterDeclaration(id, id.modifiers, id.name, id.constraint, /* defaultType */ undefined); }), selection); + changes.insertNodeBefore(file, firstStatement, ts.ignoreSourceNewlines(newTypeNode), /* blankLineBetween */ true); + changes.replaceNode(file, selection, ts.factory.createTypeReferenceNode(name, typeParameters.map(function (id) { return ts.factory.createTypeReferenceNode(id.name, /* typeArguments */ undefined); })), { leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude, trailingTriviaOption: ts.textChanges.TrailingTriviaOption.ExcludeWhitespace }); + } + function doInterfaceChange(changes, file, name, info) { + var _a; + var firstStatement = info.firstStatement, selection = info.selection, typeParameters = info.typeParameters, typeElements = info.typeElements; + var newTypeNode = ts.factory.createInterfaceDeclaration( + /* decorators */ undefined, + /* modifiers */ undefined, name, typeParameters, + /* heritageClauses */ undefined, typeElements); + ts.setTextRange(newTypeNode, (_a = typeElements[0]) === null || _a === void 0 ? void 0 : _a.parent); + changes.insertNodeBefore(file, firstStatement, ts.ignoreSourceNewlines(newTypeNode), /* blankLineBetween */ true); + changes.replaceNode(file, selection, ts.factory.createTypeReferenceNode(name, typeParameters.map(function (id) { return ts.factory.createTypeReferenceNode(id.name, /* typeArguments */ undefined); })), { leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude, trailingTriviaOption: ts.textChanges.TrailingTriviaOption.ExcludeWhitespace }); + } + function doTypedefChange(changes, file, name, info) { + var firstStatement = info.firstStatement, selection = info.selection, typeParameters = info.typeParameters; + ts.setEmitFlags(selection, 1536 /* EmitFlags.NoComments */ | 2048 /* EmitFlags.NoNestedComments */); + var node = ts.factory.createJSDocTypedefTag(ts.factory.createIdentifier("typedef"), ts.factory.createJSDocTypeExpression(selection), ts.factory.createIdentifier(name)); + var templates = []; + ts.forEach(typeParameters, function (typeParameter) { + var constraint = ts.getEffectiveConstraintOfTypeParameter(typeParameter); + var parameter = ts.factory.createTypeParameterDeclaration(/*modifiers*/ undefined, typeParameter.name); + var template = ts.factory.createJSDocTemplateTag(ts.factory.createIdentifier("template"), constraint && ts.cast(constraint, ts.isJSDocTypeExpression), [parameter]); + templates.push(template); + }); + changes.insertNodeBefore(file, firstStatement, ts.factory.createJSDocComment(/* comment */ undefined, ts.factory.createNodeArray(ts.concatenate(templates, [node]))), /* blankLineBetween */ true); + changes.replaceNode(file, selection, ts.factory.createTypeReferenceNode(name, typeParameters.map(function (id) { return ts.factory.createTypeReferenceNode(id.name, /* typeArguments */ undefined); }))); + } + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var generateGetAccessorAndSetAccessor; + (function (generateGetAccessorAndSetAccessor) { + var actionName = "Generate 'get' and 'set' accessors"; + var actionDescription = ts.Diagnostics.Generate_get_and_set_accessors.message; + var generateGetSetAction = { + name: actionName, + description: actionDescription, + kind: "refactor.rewrite.property.generateAccessors", + }; + refactor.registerRefactor(actionName, { + kinds: [generateGetSetAction.kind], + getEditsForAction: function getRefactorActionsToGenerateGetAndSetAccessors(context, actionName) { + if (!context.endPosition) + return undefined; + var info = ts.codefix.getAccessorConvertiblePropertyAtPosition(context.file, context.program, context.startPosition, context.endPosition); + ts.Debug.assert(info && !refactor.isRefactorErrorInfo(info), "Expected applicable refactor info"); + var edits = ts.codefix.generateAccessorFromProperty(context.file, context.program, context.startPosition, context.endPosition, context, actionName); + if (!edits) + return undefined; + var renameFilename = context.file.fileName; + var nameNeedRename = info.renameAccessor ? info.accessorName : info.fieldName; + var renameLocationOffset = ts.isIdentifier(nameNeedRename) ? 0 : -1; + var renameLocation = renameLocationOffset + ts.getRenameLocation(edits, renameFilename, nameNeedRename.text, /*preferLastLocation*/ ts.isParameter(info.declaration)); + return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits }; + }, + getAvailableActions: function (context) { + if (!context.endPosition) + return ts.emptyArray; + var info = ts.codefix.getAccessorConvertiblePropertyAtPosition(context.file, context.program, context.startPosition, context.endPosition, context.triggerReason === "invoked"); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + return [{ + name: actionName, + description: actionDescription, + actions: [generateGetSetAction], + }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [{ + name: actionName, + description: actionDescription, + actions: [__assign(__assign({}, generateGetSetAction), { notApplicableReason: info.error })], + }]; + } + return ts.emptyArray; + } + }); + })(generateGetAccessorAndSetAccessor = refactor.generateGetAccessorAndSetAccessor || (refactor.generateGetAccessorAndSetAccessor = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + ; + /** + * Checks if some refactor info has refactor error info. + */ + function isRefactorErrorInfo(info) { + return info.error !== undefined; + } + refactor.isRefactorErrorInfo = isRefactorErrorInfo; + /** + * Checks if string "known" begins with string "requested". + * Used to match requested kinds with a known kind. + */ + function refactorKindBeginsWith(known, requested) { + if (!requested) + return true; + return known.substr(0, requested.length) === requested; + } + refactor.refactorKindBeginsWith = refactorKindBeginsWith; + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var refactorName = "Move to a new file"; + var description = ts.getLocaleSpecificMessage(ts.Diagnostics.Move_to_a_new_file); + var moveToNewFileAction = { + name: refactorName, + description: description, + kind: "refactor.move.newFile", + }; + refactor.registerRefactor(refactorName, { + kinds: [moveToNewFileAction.kind], + getAvailableActions: function getRefactorActionsToMoveToNewFile(context) { + var statements = getStatementsToMove(context); + if (context.preferences.allowTextChangesInNewFiles && statements) { + return [{ name: refactorName, description: description, actions: [moveToNewFileAction] }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [{ name: refactorName, description: description, actions: [__assign(__assign({}, moveToNewFileAction), { notApplicableReason: ts.getLocaleSpecificMessage(ts.Diagnostics.Selection_is_not_a_valid_statement_or_statements) })] + }]; + } + return ts.emptyArray; + }, + getEditsForAction: function getRefactorEditsToMoveToNewFile(context, actionName) { + ts.Debug.assert(actionName === refactorName, "Wrong refactor invoked"); + var statements = ts.Debug.checkDefined(getStatementsToMove(context)); + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, context.program, statements, t, context.host, context.preferences); }); + return { edits: edits, renameFilename: undefined, renameLocation: undefined }; + } + }); + function getRangeToMove(context) { + var file = context.file; + var range = ts.createTextRangeFromSpan(ts.getRefactorContextSpan(context)); + var statements = file.statements; + var startNodeIndex = ts.findIndex(statements, function (s) { return s.end > range.pos; }); + if (startNodeIndex === -1) + return undefined; + var startStatement = statements[startNodeIndex]; + if (ts.isNamedDeclaration(startStatement) && startStatement.name && ts.rangeContainsRange(startStatement.name, range)) { + return { toMove: [statements[startNodeIndex]], afterLast: statements[startNodeIndex + 1] }; + } + // Can't only partially include the start node or be partially into the next node + if (range.pos > startStatement.getStart(file)) + return undefined; + var afterEndNodeIndex = ts.findIndex(statements, function (s) { return s.end > range.end; }, startNodeIndex); + // Can't be partially into the next node + if (afterEndNodeIndex !== -1 && (afterEndNodeIndex === 0 || statements[afterEndNodeIndex].getStart(file) < range.end)) + return undefined; + return { + toMove: statements.slice(startNodeIndex, afterEndNodeIndex === -1 ? statements.length : afterEndNodeIndex), + afterLast: afterEndNodeIndex === -1 ? undefined : statements[afterEndNodeIndex], + }; + } + function doChange(oldFile, program, toMove, changes, host, preferences) { + var checker = program.getTypeChecker(); + var usage = getUsageInfo(oldFile, toMove.all, checker); + var currentDirectory = ts.getDirectoryPath(oldFile.fileName); + var extension = ts.extensionFromPath(oldFile.fileName); + var newModuleName = makeUniqueModuleName(getNewModuleName(usage.movedSymbols), extension, currentDirectory, host); + var newFileNameWithExtension = newModuleName + extension; + // If previous file was global, this is easy. + changes.createNewFile(oldFile, ts.combinePaths(currentDirectory, newFileNameWithExtension), getNewStatementsAndRemoveFromOldFile(oldFile, usage, changes, toMove, program, newModuleName, preferences)); + addNewFileToTsconfig(program, changes, oldFile.fileName, newFileNameWithExtension, ts.hostGetCanonicalFileName(host)); + } + function getStatementsToMove(context) { + var rangeToMove = getRangeToMove(context); + if (rangeToMove === undefined) + return undefined; + var all = []; + var ranges = []; + var toMove = rangeToMove.toMove, afterLast = rangeToMove.afterLast; + ts.getRangesWhere(toMove, isAllowedStatementToMove, function (start, afterEndIndex) { + for (var i = start; i < afterEndIndex; i++) + all.push(toMove[i]); + ranges.push({ first: toMove[start], afterLast: afterLast }); + }); + return all.length === 0 ? undefined : { all: all, ranges: ranges }; + } + function isAllowedStatementToMove(statement) { + // Filters imports and prologue directives out of the range of statements to move. + // Imports will be copied to the new file anyway, and may still be needed in the old file. + // Prologue directives will be copied to the new file and should be left in the old file. + return !isPureImport(statement) && !ts.isPrologueDirective(statement); + ; + } + function isPureImport(node) { + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + return true; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return !ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */); + case 237 /* SyntaxKind.VariableStatement */: + return node.declarationList.declarations.every(function (d) { return !!d.initializer && ts.isRequireCall(d.initializer, /*checkArgumentIsStringLiteralLike*/ true); }); + default: + return false; + } + } + function addNewFileToTsconfig(program, changes, oldFileName, newFileNameWithExtension, getCanonicalFileName) { + var cfg = program.getCompilerOptions().configFile; + if (!cfg) + return; + var newFileAbsolutePath = ts.normalizePath(ts.combinePaths(oldFileName, "..", newFileNameWithExtension)); + var newFilePath = ts.getRelativePathFromFile(cfg.fileName, newFileAbsolutePath, getCanonicalFileName); + var cfgObject = cfg.statements[0] && ts.tryCast(cfg.statements[0].expression, ts.isObjectLiteralExpression); + var filesProp = cfgObject && ts.find(cfgObject.properties, function (prop) { + return ts.isPropertyAssignment(prop) && ts.isStringLiteral(prop.name) && prop.name.text === "files"; + }); + if (filesProp && ts.isArrayLiteralExpression(filesProp.initializer)) { + changes.insertNodeInListAfter(cfg, ts.last(filesProp.initializer.elements), ts.factory.createStringLiteral(newFilePath), filesProp.initializer.elements); + } + } + function getNewStatementsAndRemoveFromOldFile(oldFile, usage, changes, toMove, program, newModuleName, preferences) { + var checker = program.getTypeChecker(); + var prologueDirectives = ts.takeWhile(oldFile.statements, ts.isPrologueDirective); + if (!oldFile.externalModuleIndicator && !oldFile.commonJsModuleIndicator) { + deleteMovedStatements(oldFile, toMove.ranges, changes); + return __spreadArray(__spreadArray([], prologueDirectives, true), toMove.all, true); + } + var useEsModuleSyntax = !!oldFile.externalModuleIndicator; + var quotePreference = ts.getQuotePreference(oldFile, preferences); + var importsFromNewFile = createOldFileImportsFromNewFile(usage.oldFileImportsFromNewFile, newModuleName, useEsModuleSyntax, quotePreference); + if (importsFromNewFile) { + ts.insertImports(changes, oldFile, importsFromNewFile, /*blankLineBetween*/ true); + } + deleteUnusedOldImports(oldFile, toMove.all, changes, usage.unusedImportsFromOldFile, checker); + deleteMovedStatements(oldFile, toMove.ranges, changes); + updateImportsInOtherFiles(changes, program, oldFile, usage.movedSymbols, newModuleName); + var imports = getNewFileImportsAndAddExportInOldFile(oldFile, usage.oldImportsNeededByNewFile, usage.newFileImportsFromOldFile, changes, checker, useEsModuleSyntax, quotePreference); + var body = addExports(oldFile, toMove.all, usage.oldFileImportsFromNewFile, useEsModuleSyntax); + if (imports.length && body.length) { + return __spreadArray(__spreadArray(__spreadArray(__spreadArray([], prologueDirectives, true), imports, true), [ + 4 /* SyntaxKind.NewLineTrivia */ + ], false), body, true); + } + return __spreadArray(__spreadArray(__spreadArray([], prologueDirectives, true), imports, true), body, true); + } + function deleteMovedStatements(sourceFile, moved, changes) { + for (var _i = 0, moved_1 = moved; _i < moved_1.length; _i++) { + var _a = moved_1[_i], first_1 = _a.first, afterLast = _a.afterLast; + changes.deleteNodeRangeExcludingEnd(sourceFile, first_1, afterLast); + } + } + function deleteUnusedOldImports(oldFile, toMove, changes, toDelete, checker) { + for (var _i = 0, _a = oldFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (ts.contains(toMove, statement)) + continue; + forEachImportInStatement(statement, function (i) { return deleteUnusedImports(oldFile, i, changes, function (name) { return toDelete.has(checker.getSymbolAtLocation(name)); }); }); + } + } + function updateImportsInOtherFiles(changes, program, oldFile, movedSymbols, newModuleName) { + var checker = program.getTypeChecker(); + var _loop_19 = function (sourceFile) { + if (sourceFile === oldFile) + return "continue"; + var _loop_20 = function (statement) { + forEachImportInStatement(statement, function (importNode) { + if (checker.getSymbolAtLocation(moduleSpecifierFromImport(importNode)) !== oldFile.symbol) + return; + var shouldMove = function (name) { + var symbol = ts.isBindingElement(name.parent) + ? ts.getPropertySymbolFromBindingElement(checker, name.parent) + : ts.skipAlias(checker.getSymbolAtLocation(name), checker); // TODO: GH#18217 + return !!symbol && movedSymbols.has(symbol); + }; + deleteUnusedImports(sourceFile, importNode, changes, shouldMove); // These will be changed to imports from the new file + var newModuleSpecifier = ts.combinePaths(ts.getDirectoryPath(moduleSpecifierFromImport(importNode).text), newModuleName); + var newImportDeclaration = filterImport(importNode, ts.factory.createStringLiteral(newModuleSpecifier), shouldMove); + if (newImportDeclaration) + changes.insertNodeAfter(sourceFile, statement, newImportDeclaration); + var ns = getNamespaceLikeImport(importNode); + if (ns) + updateNamespaceLikeImport(changes, sourceFile, checker, movedSymbols, newModuleName, newModuleSpecifier, ns, importNode); + }); + }; + for (var _b = 0, _c = sourceFile.statements; _b < _c.length; _b++) { + var statement = _c[_b]; + _loop_20(statement); + } + }; + for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { + var sourceFile = _a[_i]; + _loop_19(sourceFile); + } + } + function getNamespaceLikeImport(node) { + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + return node.importClause && node.importClause.namedBindings && node.importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */ ? + node.importClause.namedBindings.name : undefined; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return node.name; + case 254 /* SyntaxKind.VariableDeclaration */: + return ts.tryCast(node.name, ts.isIdentifier); + default: + return ts.Debug.assertNever(node, "Unexpected node kind ".concat(node.kind)); + } + } + function updateNamespaceLikeImport(changes, sourceFile, checker, movedSymbols, newModuleName, newModuleSpecifier, oldImportId, oldImportNode) { + var preferredNewNamespaceName = ts.codefix.moduleSpecifierToValidIdentifier(newModuleName, 99 /* ScriptTarget.ESNext */); + var needUniqueName = false; + var toChange = []; + ts.FindAllReferences.Core.eachSymbolReferenceInFile(oldImportId, checker, sourceFile, function (ref) { + if (!ts.isPropertyAccessExpression(ref.parent)) + return; + needUniqueName = needUniqueName || !!checker.resolveName(preferredNewNamespaceName, ref, 67108863 /* SymbolFlags.All */, /*excludeGlobals*/ true); + if (movedSymbols.has(checker.getSymbolAtLocation(ref.parent.name))) { + toChange.push(ref); + } + }); + if (toChange.length) { + var newNamespaceName = needUniqueName ? ts.getUniqueName(preferredNewNamespaceName, sourceFile) : preferredNewNamespaceName; + for (var _i = 0, toChange_1 = toChange; _i < toChange_1.length; _i++) { + var ref = toChange_1[_i]; + changes.replaceNode(sourceFile, ref, ts.factory.createIdentifier(newNamespaceName)); + } + changes.insertNodeAfter(sourceFile, oldImportNode, updateNamespaceLikeImportNode(oldImportNode, newModuleName, newModuleSpecifier)); + } + } + function updateNamespaceLikeImportNode(node, newNamespaceName, newModuleSpecifier) { + var newNamespaceId = ts.factory.createIdentifier(newNamespaceName); + var newModuleString = ts.factory.createStringLiteral(newModuleSpecifier); + switch (node.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + return ts.factory.createImportDeclaration( + /*decorators*/ undefined, /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, /*name*/ undefined, ts.factory.createNamespaceImport(newNamespaceId)), newModuleString, + /*assertClause*/ undefined); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return ts.factory.createImportEqualsDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*isTypeOnly*/ false, newNamespaceId, ts.factory.createExternalModuleReference(newModuleString)); + case 254 /* SyntaxKind.VariableDeclaration */: + return ts.factory.createVariableDeclaration(newNamespaceId, /*exclamationToken*/ undefined, /*type*/ undefined, createRequireCall(newModuleString)); + default: + return ts.Debug.assertNever(node, "Unexpected node kind ".concat(node.kind)); + } + } + function moduleSpecifierFromImport(i) { + return (i.kind === 266 /* SyntaxKind.ImportDeclaration */ ? i.moduleSpecifier + : i.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */ ? i.moduleReference.expression + : i.initializer.arguments[0]); + } + function forEachImportInStatement(statement, cb) { + if (ts.isImportDeclaration(statement)) { + if (ts.isStringLiteral(statement.moduleSpecifier)) + cb(statement); + } + else if (ts.isImportEqualsDeclaration(statement)) { + if (ts.isExternalModuleReference(statement.moduleReference) && ts.isStringLiteralLike(statement.moduleReference.expression)) { + cb(statement); + } + } + else if (ts.isVariableStatement(statement)) { + for (var _i = 0, _a = statement.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (decl.initializer && ts.isRequireCall(decl.initializer, /*checkArgumentIsStringLiteralLike*/ true)) { + cb(decl); + } + } + } + } + function createOldFileImportsFromNewFile(newFileNeedExport, newFileNameWithExtension, useEs6Imports, quotePreference) { + var defaultImport; + var imports = []; + newFileNeedExport.forEach(function (symbol) { + if (symbol.escapedName === "default" /* InternalSymbolName.Default */) { + defaultImport = ts.factory.createIdentifier(ts.symbolNameNoDefault(symbol)); // TODO: GH#18217 + } + else { + imports.push(symbol.name); + } + }); + return makeImportOrRequire(defaultImport, imports, newFileNameWithExtension, useEs6Imports, quotePreference); + } + function makeImportOrRequire(defaultImport, imports, path, useEs6Imports, quotePreference) { + path = ts.ensurePathIsNonModuleName(path); + if (useEs6Imports) { + var specifiers = imports.map(function (i) { return ts.factory.createImportSpecifier(/*isTypeOnly*/ false, /*propertyName*/ undefined, ts.factory.createIdentifier(i)); }); + return ts.makeImportIfNecessary(defaultImport, specifiers, path, quotePreference); + } + else { + ts.Debug.assert(!defaultImport, "No default import should exist"); // If there's a default export, it should have been an es6 module. + var bindingElements = imports.map(function (i) { return ts.factory.createBindingElement(/*dotDotDotToken*/ undefined, /*propertyName*/ undefined, i); }); + return bindingElements.length + ? makeVariableStatement(ts.factory.createObjectBindingPattern(bindingElements), /*type*/ undefined, createRequireCall(ts.factory.createStringLiteral(path))) + : undefined; + } + } + function makeVariableStatement(name, type, initializer, flags) { + if (flags === void 0) { flags = 2 /* NodeFlags.Const */; } + return ts.factory.createVariableStatement(/*modifiers*/ undefined, ts.factory.createVariableDeclarationList([ts.factory.createVariableDeclaration(name, /*exclamationToken*/ undefined, type, initializer)], flags)); + } + function createRequireCall(moduleSpecifier) { + return ts.factory.createCallExpression(ts.factory.createIdentifier("require"), /*typeArguments*/ undefined, [moduleSpecifier]); + } + function addExports(sourceFile, toMove, needExport, useEs6Exports) { + return ts.flatMap(toMove, function (statement) { + if (isTopLevelDeclarationStatement(statement) && + !isExported(sourceFile, statement, useEs6Exports) && + forEachTopLevelDeclaration(statement, function (d) { return needExport.has(ts.Debug.checkDefined(d.symbol)); })) { + var exports = addExport(statement, useEs6Exports); + if (exports) + return exports; + } + return statement; + }); + } + function deleteUnusedImports(sourceFile, importDecl, changes, isUnused) { + switch (importDecl.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: + deleteUnusedImportsInDeclaration(sourceFile, importDecl, changes, isUnused); + break; + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + if (isUnused(importDecl.name)) { + changes.delete(sourceFile, importDecl); + } + break; + case 254 /* SyntaxKind.VariableDeclaration */: + deleteUnusedImportsInVariableDeclaration(sourceFile, importDecl, changes, isUnused); + break; + default: + ts.Debug.assertNever(importDecl, "Unexpected import decl kind ".concat(importDecl.kind)); + } + } + function deleteUnusedImportsInDeclaration(sourceFile, importDecl, changes, isUnused) { + if (!importDecl.importClause) + return; + var _a = importDecl.importClause, name = _a.name, namedBindings = _a.namedBindings; + var defaultUnused = !name || isUnused(name); + var namedBindingsUnused = !namedBindings || + (namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */ ? isUnused(namedBindings.name) : namedBindings.elements.length !== 0 && namedBindings.elements.every(function (e) { return isUnused(e.name); })); + if (defaultUnused && namedBindingsUnused) { + changes.delete(sourceFile, importDecl); + } + else { + if (name && defaultUnused) { + changes.delete(sourceFile, name); + } + if (namedBindings) { + if (namedBindingsUnused) { + changes.replaceNode(sourceFile, importDecl.importClause, ts.factory.updateImportClause(importDecl.importClause, importDecl.importClause.isTypeOnly, name, /*namedBindings*/ undefined)); + } + else if (namedBindings.kind === 269 /* SyntaxKind.NamedImports */) { + for (var _i = 0, _b = namedBindings.elements; _i < _b.length; _i++) { + var element = _b[_i]; + if (isUnused(element.name)) + changes.delete(sourceFile, element); + } + } + } + } + } + function deleteUnusedImportsInVariableDeclaration(sourceFile, varDecl, changes, isUnused) { + var name = varDecl.name; + switch (name.kind) { + case 79 /* SyntaxKind.Identifier */: + if (isUnused(name)) { + changes.delete(sourceFile, name); + } + break; + case 202 /* SyntaxKind.ArrayBindingPattern */: + break; + case 201 /* SyntaxKind.ObjectBindingPattern */: + if (name.elements.every(function (e) { return ts.isIdentifier(e.name) && isUnused(e.name); })) { + changes.delete(sourceFile, ts.isVariableDeclarationList(varDecl.parent) && varDecl.parent.declarations.length === 1 ? varDecl.parent.parent : varDecl); + } + else { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (ts.isIdentifier(element.name) && isUnused(element.name)) { + changes.delete(sourceFile, element.name); + } + } + } + break; + } + } + function getNewFileImportsAndAddExportInOldFile(oldFile, importsToCopy, newFileImportsFromOldFile, changes, checker, useEsModuleSyntax, quotePreference) { + var copiedOldImports = []; + for (var _i = 0, _a = oldFile.statements; _i < _a.length; _i++) { + var oldStatement = _a[_i]; + forEachImportInStatement(oldStatement, function (i) { + ts.append(copiedOldImports, filterImport(i, moduleSpecifierFromImport(i), function (name) { return importsToCopy.has(checker.getSymbolAtLocation(name)); })); + }); + } + // Also, import things used from the old file, and insert 'export' modifiers as necessary in the old file. + var oldFileDefault; + var oldFileNamedImports = []; + var markSeenTop = ts.nodeSeenTracker(); // Needed because multiple declarations may appear in `const x = 0, y = 1;`. + newFileImportsFromOldFile.forEach(function (symbol) { + if (!symbol.declarations) { + return; + } + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (!isTopLevelDeclaration(decl)) + continue; + var name = nameOfTopLevelDeclaration(decl); + if (!name) + continue; + var top = getTopLevelDeclarationStatement(decl); + if (markSeenTop(top)) { + addExportToChanges(oldFile, top, name, changes, useEsModuleSyntax); + } + if (ts.hasSyntacticModifier(decl, 512 /* ModifierFlags.Default */)) { + oldFileDefault = name; + } + else { + oldFileNamedImports.push(name.text); + } + } + }); + ts.append(copiedOldImports, makeImportOrRequire(oldFileDefault, oldFileNamedImports, ts.removeFileExtension(ts.getBaseFileName(oldFile.fileName)), useEsModuleSyntax, quotePreference)); + return copiedOldImports; + } + function makeUniqueModuleName(moduleName, extension, inDirectory, host) { + var newModuleName = moduleName; + for (var i = 1;; i++) { + var name = ts.combinePaths(inDirectory, newModuleName + extension); + if (!host.fileExists(name)) + return newModuleName; + newModuleName = "".concat(moduleName, ".").concat(i); + } + } + function getNewModuleName(movedSymbols) { + return movedSymbols.forEachEntry(ts.symbolNameNoDefault) || "newFile"; + } + function getUsageInfo(oldFile, toMove, checker) { + var movedSymbols = new SymbolSet(); + var oldImportsNeededByNewFile = new SymbolSet(); + var newFileImportsFromOldFile = new SymbolSet(); + var containsJsx = ts.find(toMove, function (statement) { return !!(statement.transformFlags & 2 /* TransformFlags.ContainsJsx */); }); + var jsxNamespaceSymbol = getJsxNamespaceSymbol(containsJsx); + if (jsxNamespaceSymbol) { // Might not exist (e.g. in non-compiling code) + oldImportsNeededByNewFile.add(jsxNamespaceSymbol); + } + for (var _i = 0, toMove_1 = toMove; _i < toMove_1.length; _i++) { + var statement = toMove_1[_i]; + forEachTopLevelDeclaration(statement, function (decl) { + movedSymbols.add(ts.Debug.checkDefined(ts.isExpressionStatement(decl) ? checker.getSymbolAtLocation(decl.expression.left) : decl.symbol, "Need a symbol here")); + }); + } + for (var _a = 0, toMove_2 = toMove; _a < toMove_2.length; _a++) { + var statement = toMove_2[_a]; + forEachReference(statement, checker, function (symbol) { + if (!symbol.declarations) + return; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (isInImport(decl)) { + oldImportsNeededByNewFile.add(symbol); + } + else if (isTopLevelDeclaration(decl) && sourceFileOfTopLevelDeclaration(decl) === oldFile && !movedSymbols.has(symbol)) { + newFileImportsFromOldFile.add(symbol); + } + } + }); + } + var unusedImportsFromOldFile = oldImportsNeededByNewFile.clone(); + var oldFileImportsFromNewFile = new SymbolSet(); + for (var _b = 0, _c = oldFile.statements; _b < _c.length; _b++) { + var statement = _c[_b]; + if (ts.contains(toMove, statement)) + continue; + // jsxNamespaceSymbol will only be set iff it is in oldImportsNeededByNewFile. + if (jsxNamespaceSymbol && !!(statement.transformFlags & 2 /* TransformFlags.ContainsJsx */)) { + unusedImportsFromOldFile.delete(jsxNamespaceSymbol); + } + forEachReference(statement, checker, function (symbol) { + if (movedSymbols.has(symbol)) + oldFileImportsFromNewFile.add(symbol); + unusedImportsFromOldFile.delete(symbol); + }); + } + return { movedSymbols: movedSymbols, newFileImportsFromOldFile: newFileImportsFromOldFile, oldFileImportsFromNewFile: oldFileImportsFromNewFile, oldImportsNeededByNewFile: oldImportsNeededByNewFile, unusedImportsFromOldFile: unusedImportsFromOldFile }; + function getJsxNamespaceSymbol(containsJsx) { + if (containsJsx === undefined) { + return undefined; + } + var jsxNamespace = checker.getJsxNamespace(containsJsx); + // Strictly speaking, this could resolve to a symbol other than the JSX namespace. + // This will produce erroneous output (probably, an incorrectly copied import) but + // is expected to be very rare and easily reversible. + var jsxNamespaceSymbol = checker.resolveName(jsxNamespace, containsJsx, 1920 /* SymbolFlags.Namespace */, /*excludeGlobals*/ true); + return !!jsxNamespaceSymbol && ts.some(jsxNamespaceSymbol.declarations, isInImport) + ? jsxNamespaceSymbol + : undefined; + } + } + // Below should all be utilities + function isInImport(decl) { + switch (decl.kind) { + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 267 /* SyntaxKind.ImportClause */: + case 268 /* SyntaxKind.NamespaceImport */: + return true; + case 254 /* SyntaxKind.VariableDeclaration */: + return isVariableDeclarationInImport(decl); + case 203 /* SyntaxKind.BindingElement */: + return ts.isVariableDeclaration(decl.parent.parent) && isVariableDeclarationInImport(decl.parent.parent); + default: + return false; + } + } + function isVariableDeclarationInImport(decl) { + return ts.isSourceFile(decl.parent.parent.parent) && + !!decl.initializer && ts.isRequireCall(decl.initializer, /*checkArgumentIsStringLiteralLike*/ true); + } + function filterImport(i, moduleSpecifier, keep) { + switch (i.kind) { + case 266 /* SyntaxKind.ImportDeclaration */: { + var clause = i.importClause; + if (!clause) + return undefined; + var defaultImport = clause.name && keep(clause.name) ? clause.name : undefined; + var namedBindings = clause.namedBindings && filterNamedBindings(clause.namedBindings, keep); + return defaultImport || namedBindings + ? ts.factory.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.factory.createImportClause(/*isTypeOnly*/ false, defaultImport, namedBindings), moduleSpecifier, /*assertClause*/ undefined) + : undefined; + } + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return keep(i.name) ? i : undefined; + case 254 /* SyntaxKind.VariableDeclaration */: { + var name = filterBindingName(i.name, keep); + return name ? makeVariableStatement(name, i.type, createRequireCall(moduleSpecifier), i.parent.flags) : undefined; + } + default: + return ts.Debug.assertNever(i, "Unexpected import kind ".concat(i.kind)); + } + } + function filterNamedBindings(namedBindings, keep) { + if (namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + return keep(namedBindings.name) ? namedBindings : undefined; + } + else { + var newElements = namedBindings.elements.filter(function (e) { return keep(e.name); }); + return newElements.length ? ts.factory.createNamedImports(newElements) : undefined; + } + } + function filterBindingName(name, keep) { + switch (name.kind) { + case 79 /* SyntaxKind.Identifier */: + return keep(name) ? name : undefined; + case 202 /* SyntaxKind.ArrayBindingPattern */: + return name; + case 201 /* SyntaxKind.ObjectBindingPattern */: { + // We can't handle nested destructurings or property names well here, so just copy them all. + var newElements = name.elements.filter(function (prop) { return prop.propertyName || !ts.isIdentifier(prop.name) || keep(prop.name); }); + return newElements.length ? ts.factory.createObjectBindingPattern(newElements) : undefined; + } + } + } + function forEachReference(node, checker, onReference) { + node.forEachChild(function cb(node) { + if (ts.isIdentifier(node) && !ts.isDeclarationName(node)) { + var sym = checker.getSymbolAtLocation(node); + if (sym) + onReference(sym); + } + else { + node.forEachChild(cb); + } + }); + } + var SymbolSet = /** @class */ (function () { + function SymbolSet() { + this.map = new ts.Map(); + } + SymbolSet.prototype.add = function (symbol) { + this.map.set(String(ts.getSymbolId(symbol)), symbol); + }; + SymbolSet.prototype.has = function (symbol) { + return this.map.has(String(ts.getSymbolId(symbol))); + }; + SymbolSet.prototype.delete = function (symbol) { + this.map.delete(String(ts.getSymbolId(symbol))); + }; + SymbolSet.prototype.forEach = function (cb) { + this.map.forEach(cb); + }; + SymbolSet.prototype.forEachEntry = function (cb) { + return ts.forEachEntry(this.map, cb); + }; + SymbolSet.prototype.clone = function () { + var clone = new SymbolSet(); + ts.copyEntries(this.map, clone.map); + return clone; + }; + return SymbolSet; + }()); + function isTopLevelDeclaration(node) { + return isNonVariableTopLevelDeclaration(node) && ts.isSourceFile(node.parent) || ts.isVariableDeclaration(node) && ts.isSourceFile(node.parent.parent.parent); + } + function sourceFileOfTopLevelDeclaration(node) { + return ts.isVariableDeclaration(node) ? node.parent.parent.parent : node.parent; + } + function isTopLevelDeclarationStatement(node) { + ts.Debug.assert(ts.isSourceFile(node.parent), "Node parent should be a SourceFile"); + return isNonVariableTopLevelDeclaration(node) || ts.isVariableStatement(node); + } + function isNonVariableTopLevelDeclaration(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return true; + default: + return false; + } + } + function forEachTopLevelDeclaration(statement, cb) { + switch (statement.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return cb(statement); + case 237 /* SyntaxKind.VariableStatement */: + return ts.firstDefined(statement.declarationList.declarations, function (decl) { return forEachTopLevelDeclarationInBindingName(decl.name, cb); }); + case 238 /* SyntaxKind.ExpressionStatement */: { + var expression = statement.expression; + return ts.isBinaryExpression(expression) && ts.getAssignmentDeclarationKind(expression) === 1 /* AssignmentDeclarationKind.ExportsProperty */ + ? cb(statement) + : undefined; + } + } + } + function forEachTopLevelDeclarationInBindingName(name, cb) { + switch (name.kind) { + case 79 /* SyntaxKind.Identifier */: + return cb(ts.cast(name.parent, function (x) { return ts.isVariableDeclaration(x) || ts.isBindingElement(x); })); + case 202 /* SyntaxKind.ArrayBindingPattern */: + case 201 /* SyntaxKind.ObjectBindingPattern */: + return ts.firstDefined(name.elements, function (em) { return ts.isOmittedExpression(em) ? undefined : forEachTopLevelDeclarationInBindingName(em.name, cb); }); + default: + return ts.Debug.assertNever(name, "Unexpected name kind ".concat(name.kind)); + } + } + function nameOfTopLevelDeclaration(d) { + return ts.isExpressionStatement(d) ? ts.tryCast(d.expression.left.name, ts.isIdentifier) : ts.tryCast(d.name, ts.isIdentifier); + } + function getTopLevelDeclarationStatement(d) { + switch (d.kind) { + case 254 /* SyntaxKind.VariableDeclaration */: + return d.parent.parent; + case 203 /* SyntaxKind.BindingElement */: + return getTopLevelDeclarationStatement(ts.cast(d.parent.parent, function (p) { return ts.isVariableDeclaration(p) || ts.isBindingElement(p); })); + default: + return d; + } + } + function addExportToChanges(sourceFile, decl, name, changes, useEs6Exports) { + if (isExported(sourceFile, decl, useEs6Exports, name)) + return; + if (useEs6Exports) { + if (!ts.isExpressionStatement(decl)) + changes.insertExportModifier(sourceFile, decl); + } + else { + var names = getNamesToExportInCommonJS(decl); + if (names.length !== 0) + changes.insertNodesAfter(sourceFile, decl, names.map(createExportAssignment)); + } + } + function isExported(sourceFile, decl, useEs6Exports, name) { + var _a; + if (useEs6Exports) { + return !ts.isExpressionStatement(decl) && ts.hasSyntacticModifier(decl, 1 /* ModifierFlags.Export */) || !!(name && ((_a = sourceFile.symbol.exports) === null || _a === void 0 ? void 0 : _a.has(name.escapedText))); + } + return getNamesToExportInCommonJS(decl).some(function (name) { return sourceFile.symbol.exports.has(ts.escapeLeadingUnderscores(name)); }); + } + function addExport(decl, useEs6Exports) { + return useEs6Exports ? [addEs6Export(decl)] : addCommonjsExport(decl); + } + function addEs6Export(d) { + var modifiers = ts.concatenate([ts.factory.createModifier(93 /* SyntaxKind.ExportKeyword */)], d.modifiers); + switch (d.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + return ts.factory.updateFunctionDeclaration(d, d.decorators, modifiers, d.asteriskToken, d.name, d.typeParameters, d.parameters, d.type, d.body); + case 257 /* SyntaxKind.ClassDeclaration */: + return ts.factory.updateClassDeclaration(d, d.decorators, modifiers, d.name, d.typeParameters, d.heritageClauses, d.members); + case 237 /* SyntaxKind.VariableStatement */: + return ts.factory.updateVariableStatement(d, modifiers, d.declarationList); + case 261 /* SyntaxKind.ModuleDeclaration */: + return ts.factory.updateModuleDeclaration(d, d.decorators, modifiers, d.name, d.body); + case 260 /* SyntaxKind.EnumDeclaration */: + return ts.factory.updateEnumDeclaration(d, d.decorators, modifiers, d.name, d.members); + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return ts.factory.updateTypeAliasDeclaration(d, d.decorators, modifiers, d.name, d.typeParameters, d.type); + case 258 /* SyntaxKind.InterfaceDeclaration */: + return ts.factory.updateInterfaceDeclaration(d, d.decorators, modifiers, d.name, d.typeParameters, d.heritageClauses, d.members); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return ts.factory.updateImportEqualsDeclaration(d, d.decorators, modifiers, d.isTypeOnly, d.name, d.moduleReference); + case 238 /* SyntaxKind.ExpressionStatement */: + return ts.Debug.fail(); // Shouldn't try to add 'export' keyword to `exports.x = ...` + default: + return ts.Debug.assertNever(d, "Unexpected declaration kind ".concat(d.kind)); + } + } + function addCommonjsExport(decl) { + return __spreadArray([decl], getNamesToExportInCommonJS(decl).map(createExportAssignment), true); + } + function getNamesToExportInCommonJS(decl) { + switch (decl.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + return [decl.name.text]; // TODO: GH#18217 + case 237 /* SyntaxKind.VariableStatement */: + return ts.mapDefined(decl.declarationList.declarations, function (d) { return ts.isIdentifier(d.name) ? d.name.text : undefined; }); + case 261 /* SyntaxKind.ModuleDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + return ts.emptyArray; + case 238 /* SyntaxKind.ExpressionStatement */: + return ts.Debug.fail("Can't export an ExpressionStatement"); // Shouldn't try to add 'export' keyword to `exports.x = ...` + default: + return ts.Debug.assertNever(decl, "Unexpected decl kind ".concat(decl.kind)); + } + } + /** Creates `exports.x = x;` */ + function createExportAssignment(name) { + return ts.factory.createExpressionStatement(ts.factory.createBinaryExpression(ts.factory.createPropertyAccessExpression(ts.factory.createIdentifier("exports"), ts.factory.createIdentifier(name)), 63 /* SyntaxKind.EqualsToken */, ts.factory.createIdentifier(name))); + } + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var addOrRemoveBracesToArrowFunction; + (function (addOrRemoveBracesToArrowFunction) { + var refactorName = "Add or remove braces in an arrow function"; + var refactorDescription = ts.Diagnostics.Add_or_remove_braces_in_an_arrow_function.message; + var addBracesAction = { + name: "Add braces to arrow function", + description: ts.Diagnostics.Add_braces_to_arrow_function.message, + kind: "refactor.rewrite.arrow.braces.add", + }; + var removeBracesAction = { + name: "Remove braces from arrow function", + description: ts.Diagnostics.Remove_braces_from_arrow_function.message, + kind: "refactor.rewrite.arrow.braces.remove" + }; + refactor.registerRefactor(refactorName, { + kinds: [removeBracesAction.kind], + getEditsForAction: getRefactorEditsToRemoveFunctionBraces, + getAvailableActions: getRefactorActionsToRemoveFunctionBraces + }); + function getRefactorActionsToRemoveFunctionBraces(context) { + var file = context.file, startPosition = context.startPosition, triggerReason = context.triggerReason; + var info = getConvertibleArrowFunctionAtPosition(file, startPosition, triggerReason === "invoked"); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + return [{ + name: refactorName, + description: refactorDescription, + actions: [ + info.addBraces ? addBracesAction : removeBracesAction + ] + }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [{ + name: refactorName, + description: refactorDescription, + actions: [ + __assign(__assign({}, addBracesAction), { notApplicableReason: info.error }), + __assign(__assign({}, removeBracesAction), { notApplicableReason: info.error }), + ] + }]; + } + return ts.emptyArray; + } + function getRefactorEditsToRemoveFunctionBraces(context, actionName) { + var file = context.file, startPosition = context.startPosition; + var info = getConvertibleArrowFunctionAtPosition(file, startPosition); + ts.Debug.assert(info && !refactor.isRefactorErrorInfo(info), "Expected applicable refactor info"); + var expression = info.expression, returnStatement = info.returnStatement, func = info.func; + var body; + if (actionName === addBracesAction.name) { + var returnStatement_1 = ts.factory.createReturnStatement(expression); + body = ts.factory.createBlock([returnStatement_1], /* multiLine */ true); + ts.copyLeadingComments(expression, returnStatement_1, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ true); + } + else if (actionName === removeBracesAction.name && returnStatement) { + var actualExpression = expression || ts.factory.createVoidZero(); + body = ts.needsParentheses(actualExpression) ? ts.factory.createParenthesizedExpression(actualExpression) : actualExpression; + ts.copyTrailingAsLeadingComments(returnStatement, body, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + ts.copyLeadingComments(returnStatement, body, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + ts.copyTrailingComments(returnStatement, body, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + } + else { + ts.Debug.fail("invalid action"); + } + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { + t.replaceNode(file, func.body, body); + }); + return { renameFilename: undefined, renameLocation: undefined, edits: edits }; + } + function getConvertibleArrowFunctionAtPosition(file, startPosition, considerFunctionBodies, kind) { + if (considerFunctionBodies === void 0) { considerFunctionBodies = true; } + var node = ts.getTokenAtPosition(file, startPosition); + var func = ts.getContainingFunction(node); + if (!func) { + return { + error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_find_a_containing_arrow_function) + }; + } + if (!ts.isArrowFunction(func)) { + return { + error: ts.getLocaleSpecificMessage(ts.Diagnostics.Containing_function_is_not_an_arrow_function) + }; + } + if ((!ts.rangeContainsRange(func, node) || ts.rangeContainsRange(func.body, node) && !considerFunctionBodies)) { + return undefined; + } + if (refactor.refactorKindBeginsWith(addBracesAction.kind, kind) && ts.isExpression(func.body)) { + return { func: func, addBraces: true, expression: func.body }; + } + else if (refactor.refactorKindBeginsWith(removeBracesAction.kind, kind) && ts.isBlock(func.body) && func.body.statements.length === 1) { + var firstStatement = ts.first(func.body.statements); + if (ts.isReturnStatement(firstStatement)) { + return { func: func, addBraces: false, expression: firstStatement.expression, returnStatement: firstStatement }; + } + } + return undefined; + } + })(addOrRemoveBracesToArrowFunction = refactor.addOrRemoveBracesToArrowFunction || (refactor.addOrRemoveBracesToArrowFunction = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var convertParamsToDestructuredObject; + (function (convertParamsToDestructuredObject) { + var refactorName = "Convert parameters to destructured object"; + var minimumParameterLength = 1; + var refactorDescription = ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_parameters_to_destructured_object); + var toDestructuredAction = { + name: refactorName, + description: refactorDescription, + kind: "refactor.rewrite.parameters.toDestructured" + }; + refactor.registerRefactor(refactorName, { + kinds: [toDestructuredAction.kind], + getEditsForAction: getRefactorEditsToConvertParametersToDestructuredObject, + getAvailableActions: getRefactorActionsToConvertParametersToDestructuredObject + }); + function getRefactorActionsToConvertParametersToDestructuredObject(context) { + var file = context.file, startPosition = context.startPosition; + var isJSFile = ts.isSourceFileJS(file); + if (isJSFile) + return ts.emptyArray; // TODO: GH#30113 + var functionDeclaration = getFunctionDeclarationAtPosition(file, startPosition, context.program.getTypeChecker()); + if (!functionDeclaration) + return ts.emptyArray; + return [{ + name: refactorName, + description: refactorDescription, + actions: [toDestructuredAction] + }]; + } + function getRefactorEditsToConvertParametersToDestructuredObject(context, actionName) { + ts.Debug.assert(actionName === refactorName, "Unexpected action name"); + var file = context.file, startPosition = context.startPosition, program = context.program, cancellationToken = context.cancellationToken, host = context.host; + var functionDeclaration = getFunctionDeclarationAtPosition(file, startPosition, program.getTypeChecker()); + if (!functionDeclaration || !cancellationToken) + return undefined; + var groupedReferences = getGroupedReferences(functionDeclaration, program, cancellationToken); + if (groupedReferences.valid) { + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(file, program, host, t, functionDeclaration, groupedReferences); }); + return { renameFilename: undefined, renameLocation: undefined, edits: edits }; + } + return { edits: [] }; // TODO: GH#30113 + } + function doChange(sourceFile, program, host, changes, functionDeclaration, groupedReferences) { + var signature = groupedReferences.signature; + var newFunctionDeclarationParams = ts.map(createNewParameters(functionDeclaration, program, host), function (param) { return ts.getSynthesizedDeepClone(param); }); + if (signature) { + var newSignatureParams = ts.map(createNewParameters(signature, program, host), function (param) { return ts.getSynthesizedDeepClone(param); }); + replaceParameters(signature, newSignatureParams); + } + replaceParameters(functionDeclaration, newFunctionDeclarationParams); + var functionCalls = ts.sortAndDeduplicate(groupedReferences.functionCalls, /*comparer*/ function (a, b) { return ts.compareValues(a.pos, b.pos); }); + for (var _i = 0, functionCalls_1 = functionCalls; _i < functionCalls_1.length; _i++) { + var call = functionCalls_1[_i]; + if (call.arguments && call.arguments.length) { + var newArgument = ts.getSynthesizedDeepClone(createNewArgument(functionDeclaration, call.arguments), /*includeTrivia*/ true); + changes.replaceNodeRange(ts.getSourceFileOfNode(call), ts.first(call.arguments), ts.last(call.arguments), newArgument, { leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll, trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include }); + } + } + function replaceParameters(declarationOrSignature, parameterDeclarations) { + changes.replaceNodeRangeWithNodes(sourceFile, ts.first(declarationOrSignature.parameters), ts.last(declarationOrSignature.parameters), parameterDeclarations, { + joiner: ", ", + // indentation is set to 0 because otherwise the object parameter will be indented if there is a `this` parameter + indentation: 0, + leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll, + trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include + }); + } + } + function getGroupedReferences(functionDeclaration, program, cancellationToken) { + var functionNames = getFunctionNames(functionDeclaration); + var classNames = ts.isConstructorDeclaration(functionDeclaration) ? getClassNames(functionDeclaration) : []; + var names = ts.deduplicate(__spreadArray(__spreadArray([], functionNames, true), classNames, true), ts.equateValues); + var checker = program.getTypeChecker(); + var references = ts.flatMap(names, /*mapfn*/ function (/*mapfn*/ name) { return ts.FindAllReferences.getReferenceEntriesForNode(-1, name, program, program.getSourceFiles(), cancellationToken); }); + var groupedReferences = groupReferences(references); + if (!ts.every(groupedReferences.declarations, /*callback*/ function (/*callback*/ decl) { return ts.contains(names, decl); })) { + groupedReferences.valid = false; + } + return groupedReferences; + function groupReferences(referenceEntries) { + var classReferences = { accessExpressions: [], typeUsages: [] }; + var groupedReferences = { functionCalls: [], declarations: [], classReferences: classReferences, valid: true }; + var functionSymbols = ts.map(functionNames, getSymbolTargetAtLocation); + var classSymbols = ts.map(classNames, getSymbolTargetAtLocation); + var isConstructor = ts.isConstructorDeclaration(functionDeclaration); + var contextualSymbols = ts.map(functionNames, function (name) { return getSymbolForContextualType(name, checker); }); + for (var _i = 0, referenceEntries_1 = referenceEntries; _i < referenceEntries_1.length; _i++) { + var entry = referenceEntries_1[_i]; + if (entry.kind === 0 /* FindAllReferences.EntryKind.Span */) { + groupedReferences.valid = false; + continue; + } + /* Declarations in object literals may be implementations of method signatures which have a different symbol from the declaration + For example: + interface IFoo { m(a: number): void } + const foo: IFoo = { m(a: number): void {} } + In these cases we get the symbol for the signature from the contextual type. + */ + if (ts.contains(contextualSymbols, getSymbolTargetAtLocation(entry.node))) { + if (isValidMethodSignature(entry.node.parent)) { + groupedReferences.signature = entry.node.parent; + continue; + } + var call = entryToFunctionCall(entry); + if (call) { + groupedReferences.functionCalls.push(call); + continue; + } + } + var contextualSymbol = getSymbolForContextualType(entry.node, checker); + if (contextualSymbol && ts.contains(contextualSymbols, contextualSymbol)) { + var decl = entryToDeclaration(entry); + if (decl) { + groupedReferences.declarations.push(decl); + continue; + } + } + /* We compare symbols because in some cases find all references wil return a reference that may or may not be to the refactored function. + Example from the refactorConvertParamsToDestructuredObject_methodCallUnion.ts test: + class A { foo(a: number, b: number) { return a + b; } } + class B { foo(c: number, d: number) { return c + d; } } + declare const ab: A | B; + ab.foo(1, 2); + Find all references will return `ab.foo(1, 2)` as a reference to A's `foo` but we could be calling B's `foo`. + When looking for constructor calls, however, the symbol on the constructor call reference is going to be the corresponding class symbol. + So we need to add a special case for this because when calling a constructor of a class through one of its subclasses, + the symbols are going to be different. + */ + if (ts.contains(functionSymbols, getSymbolTargetAtLocation(entry.node)) || ts.isNewExpressionTarget(entry.node)) { + var importOrExportReference = entryToImportOrExport(entry); + if (importOrExportReference) { + continue; + } + var decl = entryToDeclaration(entry); + if (decl) { + groupedReferences.declarations.push(decl); + continue; + } + var call = entryToFunctionCall(entry); + if (call) { + groupedReferences.functionCalls.push(call); + continue; + } + } + // if the refactored function is a constructor, we must also check if the references to its class are valid + if (isConstructor && ts.contains(classSymbols, getSymbolTargetAtLocation(entry.node))) { + var importOrExportReference = entryToImportOrExport(entry); + if (importOrExportReference) { + continue; + } + var decl = entryToDeclaration(entry); + if (decl) { + groupedReferences.declarations.push(decl); + continue; + } + var accessExpression = entryToAccessExpression(entry); + if (accessExpression) { + classReferences.accessExpressions.push(accessExpression); + continue; + } + // Only class declarations are allowed to be used as a type (in a heritage clause), + // otherwise `findAllReferences` might not be able to track constructor calls. + if (ts.isClassDeclaration(functionDeclaration.parent)) { + var type = entryToType(entry); + if (type) { + classReferences.typeUsages.push(type); + continue; + } + } + } + groupedReferences.valid = false; + } + return groupedReferences; + } + function getSymbolTargetAtLocation(node) { + var symbol = checker.getSymbolAtLocation(node); + return symbol && ts.getSymbolTarget(symbol, checker); + } + } + /** + * Gets the symbol for the contextual type of the node if it is not a union or intersection. + */ + function getSymbolForContextualType(node, checker) { + var element = ts.getContainingObjectLiteralElement(node); + if (element) { + var contextualType = checker.getContextualTypeForObjectLiteralElement(element); + var symbol = contextualType === null || contextualType === void 0 ? void 0 : contextualType.getSymbol(); + if (symbol && !(ts.getCheckFlags(symbol) & 6 /* CheckFlags.Synthetic */)) { + return symbol; + } + } + } + function entryToImportOrExport(entry) { + var node = entry.node; + if (ts.isImportSpecifier(node.parent) + || ts.isImportClause(node.parent) + || ts.isImportEqualsDeclaration(node.parent) + || ts.isNamespaceImport(node.parent)) { + return node; + } + if (ts.isExportSpecifier(node.parent) || ts.isExportAssignment(node.parent)) { + return node; + } + return undefined; + } + function entryToDeclaration(entry) { + if (ts.isDeclaration(entry.node.parent)) { + return entry.node; + } + return undefined; + } + function entryToFunctionCall(entry) { + if (entry.node.parent) { + var functionReference = entry.node; + var parent = functionReference.parent; + switch (parent.kind) { + // foo(...) or super(...) or new Foo(...) + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + var callOrNewExpression = ts.tryCast(parent, ts.isCallOrNewExpression); + if (callOrNewExpression && callOrNewExpression.expression === functionReference) { + return callOrNewExpression; + } + break; + // x.foo(...) + case 206 /* SyntaxKind.PropertyAccessExpression */: + var propertyAccessExpression = ts.tryCast(parent, ts.isPropertyAccessExpression); + if (propertyAccessExpression && propertyAccessExpression.parent && propertyAccessExpression.name === functionReference) { + var callOrNewExpression_1 = ts.tryCast(propertyAccessExpression.parent, ts.isCallOrNewExpression); + if (callOrNewExpression_1 && callOrNewExpression_1.expression === propertyAccessExpression) { + return callOrNewExpression_1; + } + } + break; + // x["foo"](...) + case 207 /* SyntaxKind.ElementAccessExpression */: + var elementAccessExpression = ts.tryCast(parent, ts.isElementAccessExpression); + if (elementAccessExpression && elementAccessExpression.parent && elementAccessExpression.argumentExpression === functionReference) { + var callOrNewExpression_2 = ts.tryCast(elementAccessExpression.parent, ts.isCallOrNewExpression); + if (callOrNewExpression_2 && callOrNewExpression_2.expression === elementAccessExpression) { + return callOrNewExpression_2; + } + } + break; + } + } + return undefined; + } + function entryToAccessExpression(entry) { + if (entry.node.parent) { + var reference = entry.node; + var parent = reference.parent; + switch (parent.kind) { + // `C.foo` + case 206 /* SyntaxKind.PropertyAccessExpression */: + var propertyAccessExpression = ts.tryCast(parent, ts.isPropertyAccessExpression); + if (propertyAccessExpression && propertyAccessExpression.expression === reference) { + return propertyAccessExpression; + } + break; + // `C["foo"]` + case 207 /* SyntaxKind.ElementAccessExpression */: + var elementAccessExpression = ts.tryCast(parent, ts.isElementAccessExpression); + if (elementAccessExpression && elementAccessExpression.expression === reference) { + return elementAccessExpression; + } + break; + } + } + return undefined; + } + function entryToType(entry) { + var reference = entry.node; + if (ts.getMeaningFromLocation(reference) === 2 /* SemanticMeaning.Type */ || ts.isExpressionWithTypeArgumentsInClassExtendsClause(reference.parent)) { + return reference; + } + return undefined; + } + function getFunctionDeclarationAtPosition(file, startPosition, checker) { + var node = ts.getTouchingToken(file, startPosition); + var functionDeclaration = ts.getContainingFunctionDeclaration(node); + // don't offer refactor on top-level JSDoc + if (isTopLevelJSDoc(node)) + return undefined; + if (functionDeclaration + && isValidFunctionDeclaration(functionDeclaration, checker) + && ts.rangeContainsRange(functionDeclaration, node) + && !(functionDeclaration.body && ts.rangeContainsRange(functionDeclaration.body, node))) + return functionDeclaration; + return undefined; + } + function isTopLevelJSDoc(node) { + var containingJSDoc = ts.findAncestor(node, ts.isJSDocNode); + if (containingJSDoc) { + var containingNonJSDoc = ts.findAncestor(containingJSDoc, function (n) { return !ts.isJSDocNode(n); }); + return !!containingNonJSDoc && ts.isFunctionLikeDeclaration(containingNonJSDoc); + } + return false; + } + function isValidMethodSignature(node) { + return ts.isMethodSignature(node) && (ts.isInterfaceDeclaration(node.parent) || ts.isTypeLiteralNode(node.parent)); + } + function isValidFunctionDeclaration(functionDeclaration, checker) { + var _a; + if (!isValidParameterNodeArray(functionDeclaration.parameters, checker)) + return false; + switch (functionDeclaration.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + return hasNameOrDefault(functionDeclaration) && isSingleImplementation(functionDeclaration, checker); + case 169 /* SyntaxKind.MethodDeclaration */: + if (ts.isObjectLiteralExpression(functionDeclaration.parent)) { + var contextualSymbol = getSymbolForContextualType(functionDeclaration.name, checker); + // don't offer the refactor when there are multiple signatures since we won't know which ones the user wants to change + return ((_a = contextualSymbol === null || contextualSymbol === void 0 ? void 0 : contextualSymbol.declarations) === null || _a === void 0 ? void 0 : _a.length) === 1 && isSingleImplementation(functionDeclaration, checker); + } + return isSingleImplementation(functionDeclaration, checker); + case 171 /* SyntaxKind.Constructor */: + if (ts.isClassDeclaration(functionDeclaration.parent)) { + return hasNameOrDefault(functionDeclaration.parent) && isSingleImplementation(functionDeclaration, checker); + } + else { + return isValidVariableDeclaration(functionDeclaration.parent.parent) + && isSingleImplementation(functionDeclaration, checker); + } + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return isValidVariableDeclaration(functionDeclaration.parent); + } + return false; + } + function isSingleImplementation(functionDeclaration, checker) { + return !!functionDeclaration.body && !checker.isImplementationOfOverload(functionDeclaration); + } + function hasNameOrDefault(functionOrClassDeclaration) { + if (!functionOrClassDeclaration.name) { + var defaultKeyword = ts.findModifier(functionOrClassDeclaration, 88 /* SyntaxKind.DefaultKeyword */); + return !!defaultKeyword; + } + return true; + } + function isValidParameterNodeArray(parameters, checker) { + return getRefactorableParametersLength(parameters) >= minimumParameterLength + && ts.every(parameters, /*callback*/ function (/*callback*/ paramDecl) { return isValidParameterDeclaration(paramDecl, checker); }); + } + function isValidParameterDeclaration(parameterDeclaration, checker) { + if (ts.isRestParameter(parameterDeclaration)) { + var type = checker.getTypeAtLocation(parameterDeclaration); + if (!checker.isArrayType(type) && !checker.isTupleType(type)) + return false; + } + return !parameterDeclaration.modifiers && !parameterDeclaration.decorators && ts.isIdentifier(parameterDeclaration.name); + } + function isValidVariableDeclaration(node) { + return ts.isVariableDeclaration(node) && ts.isVarConst(node) && ts.isIdentifier(node.name) && !node.type; // TODO: GH#30113 + } + function hasThisParameter(parameters) { + return parameters.length > 0 && ts.isThis(parameters[0].name); + } + function getRefactorableParametersLength(parameters) { + if (hasThisParameter(parameters)) { + return parameters.length - 1; + } + return parameters.length; + } + function getRefactorableParameters(parameters) { + if (hasThisParameter(parameters)) { + parameters = ts.factory.createNodeArray(parameters.slice(1), parameters.hasTrailingComma); + } + return parameters; + } + function createPropertyOrShorthandAssignment(name, initializer) { + if (ts.isIdentifier(initializer) && ts.getTextOfIdentifierOrLiteral(initializer) === name) { + return ts.factory.createShorthandPropertyAssignment(name); + } + return ts.factory.createPropertyAssignment(name, initializer); + } + function createNewArgument(functionDeclaration, functionArguments) { + var parameters = getRefactorableParameters(functionDeclaration.parameters); + var hasRestParameter = ts.isRestParameter(ts.last(parameters)); + var nonRestArguments = hasRestParameter ? functionArguments.slice(0, parameters.length - 1) : functionArguments; + var properties = ts.map(nonRestArguments, function (arg, i) { + var parameterName = getParameterName(parameters[i]); + var property = createPropertyOrShorthandAssignment(parameterName, arg); + ts.suppressLeadingAndTrailingTrivia(property.name); + if (ts.isPropertyAssignment(property)) + ts.suppressLeadingAndTrailingTrivia(property.initializer); + ts.copyComments(arg, property); + return property; + }); + if (hasRestParameter && functionArguments.length >= parameters.length) { + var restArguments = functionArguments.slice(parameters.length - 1); + var restProperty = ts.factory.createPropertyAssignment(getParameterName(ts.last(parameters)), ts.factory.createArrayLiteralExpression(restArguments)); + properties.push(restProperty); + } + var objectLiteral = ts.factory.createObjectLiteralExpression(properties, /*multiLine*/ false); + return objectLiteral; + } + function createNewParameters(functionDeclaration, program, host) { + var checker = program.getTypeChecker(); + var refactorableParameters = getRefactorableParameters(functionDeclaration.parameters); + var bindingElements = ts.map(refactorableParameters, createBindingElementFromParameterDeclaration); + var objectParameterName = ts.factory.createObjectBindingPattern(bindingElements); + var objectParameterType = createParameterTypeNode(refactorableParameters); + var objectInitializer; + // If every parameter in the original function was optional, add an empty object initializer to the new object parameter + if (ts.every(refactorableParameters, isOptionalParameter)) { + objectInitializer = ts.factory.createObjectLiteralExpression(); + } + var objectParameter = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, objectParameterName, + /*questionToken*/ undefined, objectParameterType, objectInitializer); + if (hasThisParameter(functionDeclaration.parameters)) { + var thisParameter = functionDeclaration.parameters[0]; + var newThisParameter = ts.factory.createParameterDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*dotDotDotToken*/ undefined, thisParameter.name, + /*questionToken*/ undefined, thisParameter.type); + ts.suppressLeadingAndTrailingTrivia(newThisParameter.name); + ts.copyComments(thisParameter.name, newThisParameter.name); + if (thisParameter.type) { + ts.suppressLeadingAndTrailingTrivia(newThisParameter.type); + ts.copyComments(thisParameter.type, newThisParameter.type); + } + return ts.factory.createNodeArray([newThisParameter, objectParameter]); + } + return ts.factory.createNodeArray([objectParameter]); + function createBindingElementFromParameterDeclaration(parameterDeclaration) { + var element = ts.factory.createBindingElement( + /*dotDotDotToken*/ undefined, + /*propertyName*/ undefined, getParameterName(parameterDeclaration), ts.isRestParameter(parameterDeclaration) && isOptionalParameter(parameterDeclaration) ? ts.factory.createArrayLiteralExpression() : parameterDeclaration.initializer); + ts.suppressLeadingAndTrailingTrivia(element); + if (parameterDeclaration.initializer && element.initializer) { + ts.copyComments(parameterDeclaration.initializer, element.initializer); + } + return element; + } + function createParameterTypeNode(parameters) { + var members = ts.map(parameters, createPropertySignatureFromParameterDeclaration); + var typeNode = ts.addEmitFlags(ts.factory.createTypeLiteralNode(members), 1 /* EmitFlags.SingleLine */); + return typeNode; + } + function createPropertySignatureFromParameterDeclaration(parameterDeclaration) { + var parameterType = parameterDeclaration.type; + if (!parameterType && (parameterDeclaration.initializer || ts.isRestParameter(parameterDeclaration))) { + parameterType = getTypeNode(parameterDeclaration); + } + var propertySignature = ts.factory.createPropertySignature( + /*modifiers*/ undefined, getParameterName(parameterDeclaration), isOptionalParameter(parameterDeclaration) ? ts.factory.createToken(57 /* SyntaxKind.QuestionToken */) : parameterDeclaration.questionToken, parameterType); + ts.suppressLeadingAndTrailingTrivia(propertySignature); + ts.copyComments(parameterDeclaration.name, propertySignature.name); + if (parameterDeclaration.type && propertySignature.type) { + ts.copyComments(parameterDeclaration.type, propertySignature.type); + } + return propertySignature; + } + function getTypeNode(node) { + var type = checker.getTypeAtLocation(node); + return ts.getTypeNodeIfAccessible(type, node, program, host); + } + function isOptionalParameter(parameterDeclaration) { + if (ts.isRestParameter(parameterDeclaration)) { + var type = checker.getTypeAtLocation(parameterDeclaration); + return !checker.isTupleType(type); + } + return checker.isOptionalParameter(parameterDeclaration); + } + } + function getParameterName(paramDeclaration) { + return ts.getTextOfIdentifierOrLiteral(paramDeclaration.name); + } + function getClassNames(constructorDeclaration) { + switch (constructorDeclaration.parent.kind) { + case 257 /* SyntaxKind.ClassDeclaration */: + var classDeclaration = constructorDeclaration.parent; + if (classDeclaration.name) + return [classDeclaration.name]; + // If the class declaration doesn't have a name, it should have a default modifier. + // We validated this in `isValidFunctionDeclaration` through `hasNameOrDefault` + var defaultModifier = ts.Debug.checkDefined(ts.findModifier(classDeclaration, 88 /* SyntaxKind.DefaultKeyword */), "Nameless class declaration should be a default export"); + return [defaultModifier]; + case 226 /* SyntaxKind.ClassExpression */: + var classExpression = constructorDeclaration.parent; + var variableDeclaration = constructorDeclaration.parent.parent; + var className = classExpression.name; + if (className) + return [className, variableDeclaration.name]; + return [variableDeclaration.name]; + } + } + function getFunctionNames(functionDeclaration) { + switch (functionDeclaration.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + if (functionDeclaration.name) + return [functionDeclaration.name]; + // If the function declaration doesn't have a name, it should have a default modifier. + // We validated this in `isValidFunctionDeclaration` through `hasNameOrDefault` + var defaultModifier = ts.Debug.checkDefined(ts.findModifier(functionDeclaration, 88 /* SyntaxKind.DefaultKeyword */), "Nameless function declaration should be a default export"); + return [defaultModifier]; + case 169 /* SyntaxKind.MethodDeclaration */: + return [functionDeclaration.name]; + case 171 /* SyntaxKind.Constructor */: + var ctrKeyword = ts.Debug.checkDefined(ts.findChildOfKind(functionDeclaration, 134 /* SyntaxKind.ConstructorKeyword */, functionDeclaration.getSourceFile()), "Constructor declaration should have constructor keyword"); + if (functionDeclaration.parent.kind === 226 /* SyntaxKind.ClassExpression */) { + var variableDeclaration = functionDeclaration.parent.parent; + return [variableDeclaration.name, ctrKeyword]; + } + return [ctrKeyword]; + case 214 /* SyntaxKind.ArrowFunction */: + return [functionDeclaration.parent.name]; + case 213 /* SyntaxKind.FunctionExpression */: + if (functionDeclaration.name) + return [functionDeclaration.name, functionDeclaration.parent.name]; + return [functionDeclaration.parent.name]; + default: + return ts.Debug.assertNever(functionDeclaration, "Unexpected function declaration kind ".concat(functionDeclaration.kind)); + } + } + })(convertParamsToDestructuredObject = refactor.convertParamsToDestructuredObject || (refactor.convertParamsToDestructuredObject = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var convertStringOrTemplateLiteral; + (function (convertStringOrTemplateLiteral) { + var refactorName = "Convert to template string"; + var refactorDescription = ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_to_template_string); + var convertStringAction = { + name: refactorName, + description: refactorDescription, + kind: "refactor.rewrite.string" + }; + refactor.registerRefactor(refactorName, { + kinds: [convertStringAction.kind], + getEditsForAction: getRefactorEditsToConvertToTemplateString, + getAvailableActions: getRefactorActionsToConvertToTemplateString + }); + function getRefactorActionsToConvertToTemplateString(context) { + var file = context.file, startPosition = context.startPosition; + var node = getNodeOrParentOfParentheses(file, startPosition); + var maybeBinary = getParentBinaryExpression(node); + var refactorInfo = { name: refactorName, description: refactorDescription, actions: [] }; + if (ts.isBinaryExpression(maybeBinary) && treeToArray(maybeBinary).isValidConcatenation) { + refactorInfo.actions.push(convertStringAction); + return [refactorInfo]; + } + else if (context.preferences.provideRefactorNotApplicableReason) { + refactorInfo.actions.push(__assign(__assign({}, convertStringAction), { notApplicableReason: ts.getLocaleSpecificMessage(ts.Diagnostics.Can_only_convert_string_concatenation) })); + return [refactorInfo]; + } + return ts.emptyArray; + } + function getNodeOrParentOfParentheses(file, startPosition) { + var node = ts.getTokenAtPosition(file, startPosition); + var nestedBinary = getParentBinaryExpression(node); + var isNonStringBinary = !treeToArray(nestedBinary).isValidConcatenation; + if (isNonStringBinary && + ts.isParenthesizedExpression(nestedBinary.parent) && + ts.isBinaryExpression(nestedBinary.parent.parent)) { + return nestedBinary.parent.parent; + } + return node; + } + function getRefactorEditsToConvertToTemplateString(context, actionName) { + var file = context.file, startPosition = context.startPosition; + var node = getNodeOrParentOfParentheses(file, startPosition); + switch (actionName) { + case refactorDescription: + return { edits: getEditsForToTemplateLiteral(context, node) }; + default: + return ts.Debug.fail("invalid action"); + } + } + function getEditsForToTemplateLiteral(context, node) { + var maybeBinary = getParentBinaryExpression(node); + var file = context.file; + var templateLiteral = nodesToTemplate(treeToArray(maybeBinary), file); + var trailingCommentRanges = ts.getTrailingCommentRanges(file.text, maybeBinary.end); + if (trailingCommentRanges) { + var lastComment = trailingCommentRanges[trailingCommentRanges.length - 1]; + var trailingRange_1 = { pos: trailingCommentRanges[0].pos, end: lastComment.end }; + // since suppressTrailingTrivia(maybeBinary) does not work, the trailing comment is removed manually + // otherwise it would have the trailing comment twice + return ts.textChanges.ChangeTracker.with(context, function (t) { + t.deleteRange(file, trailingRange_1); + t.replaceNode(file, maybeBinary, templateLiteral); + }); + } + else { + return ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(file, maybeBinary, templateLiteral); }); + } + } + function isNotEqualsOperator(node) { + return node.operatorToken.kind !== 63 /* SyntaxKind.EqualsToken */; + } + function getParentBinaryExpression(expr) { + var container = ts.findAncestor(expr.parent, function (n) { + switch (n.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 207 /* SyntaxKind.ElementAccessExpression */: + return false; + case 223 /* SyntaxKind.TemplateExpression */: + case 221 /* SyntaxKind.BinaryExpression */: + return !(ts.isBinaryExpression(n.parent) && isNotEqualsOperator(n.parent)); + default: + return "quit"; + } + }); + return (container || expr); + } + function treeToArray(current) { + var loop = function (current) { + if (!ts.isBinaryExpression(current)) { + return { nodes: [current], operators: [], validOperators: true, + hasString: ts.isStringLiteral(current) || ts.isNoSubstitutionTemplateLiteral(current) }; + } + var _a = loop(current.left), nodes = _a.nodes, operators = _a.operators, leftHasString = _a.hasString, leftOperatorValid = _a.validOperators; + if (!(leftHasString || ts.isStringLiteral(current.right) || ts.isTemplateExpression(current.right))) { + return { nodes: [current], operators: [], hasString: false, validOperators: true }; + } + var currentOperatorValid = current.operatorToken.kind === 39 /* SyntaxKind.PlusToken */; + var validOperators = leftOperatorValid && currentOperatorValid; + nodes.push(current.right); + operators.push(current.operatorToken); + return { nodes: nodes, operators: operators, hasString: true, validOperators: validOperators }; + }; + var _a = loop(current), nodes = _a.nodes, operators = _a.operators, validOperators = _a.validOperators, hasString = _a.hasString; + return { nodes: nodes, operators: operators, isValidConcatenation: validOperators && hasString }; + } + // to copy comments following the operator + // "foo" + /* comment */ "bar" + var copyTrailingOperatorComments = function (operators, file) { return function (index, targetNode) { + if (index < operators.length) { + ts.copyTrailingComments(operators[index], targetNode, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + } + }; }; + // to copy comments following the string + // "foo" /* comment */ + "bar" /* comment */ + "bar2" + var copyCommentFromMultiNode = function (nodes, file, copyOperatorComments) { + return function (indexes, targetNode) { + while (indexes.length > 0) { + var index = indexes.shift(); + ts.copyTrailingComments(nodes[index], targetNode, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + copyOperatorComments(index, targetNode); + } + }; + }; + function escapeRawStringForTemplate(s) { + // Escaping for $s in strings that are to be used in template strings + // Naive implementation: replace \x by itself and otherwise $ and ` by \$ and \`. + // But to complicate it a bit, this should work for raw strings too. + return s.replace(/\\.|[$`]/g, function (m) { return m[0] === "\\" ? m : "\\" + m; }); + // Finally, a less-backslash-happy version can work too, doing only ${ instead of all $s: + // s.replace(/\\.|\${|`/g, m => m[0] === "\\" ? m : "\\" + m); + // but `\$${foo}` is likely more clear than the more-confusing-but-still-working `$${foo}`. + } + function getRawTextOfTemplate(node) { + // in these cases the right side is ${ + var rightShaving = ts.isTemplateHead(node) || ts.isTemplateMiddle(node) ? -2 : -1; + return ts.getTextOfNode(node).slice(1, rightShaving); + } + function concatConsecutiveString(index, nodes) { + var indexes = []; + var text = "", rawText = ""; + while (index < nodes.length) { + var node = nodes[index]; + if (ts.isStringLiteralLike(node)) { // includes isNoSubstitutionTemplateLiteral(node) + text += node.text; + rawText += escapeRawStringForTemplate(ts.getTextOfNode(node).slice(1, -1)); + indexes.push(index); + index++; + } + else if (ts.isTemplateExpression(node)) { + text += node.head.text; + rawText += getRawTextOfTemplate(node.head); + break; + } + else { + break; + } + } + return [index, text, rawText, indexes]; + } + function nodesToTemplate(_a, file) { + var nodes = _a.nodes, operators = _a.operators; + var copyOperatorComments = copyTrailingOperatorComments(operators, file); + var copyCommentFromStringLiterals = copyCommentFromMultiNode(nodes, file, copyOperatorComments); + var _b = concatConsecutiveString(0, nodes), begin = _b[0], headText = _b[1], rawHeadText = _b[2], headIndexes = _b[3]; + if (begin === nodes.length) { + var noSubstitutionTemplateLiteral = ts.factory.createNoSubstitutionTemplateLiteral(headText, rawHeadText); + copyCommentFromStringLiterals(headIndexes, noSubstitutionTemplateLiteral); + return noSubstitutionTemplateLiteral; + } + var templateSpans = []; + var templateHead = ts.factory.createTemplateHead(headText, rawHeadText); + copyCommentFromStringLiterals(headIndexes, templateHead); + var _loop_21 = function (i) { + var currentNode = getExpressionFromParenthesesOrExpression(nodes[i]); + copyOperatorComments(i, currentNode); + var _c = concatConsecutiveString(i + 1, nodes), newIndex = _c[0], subsequentText = _c[1], rawSubsequentText = _c[2], stringIndexes = _c[3]; + i = newIndex - 1; + var isLast = i === nodes.length - 1; + if (ts.isTemplateExpression(currentNode)) { + var spans = ts.map(currentNode.templateSpans, function (span, index) { + copyExpressionComments(span); + var isLastSpan = index === currentNode.templateSpans.length - 1; + var text = span.literal.text + (isLastSpan ? subsequentText : ""); + var rawText = getRawTextOfTemplate(span.literal) + (isLastSpan ? rawSubsequentText : ""); + return ts.factory.createTemplateSpan(span.expression, isLast && isLastSpan + ? ts.factory.createTemplateTail(text, rawText) + : ts.factory.createTemplateMiddle(text, rawText)); + }); + templateSpans.push.apply(templateSpans, spans); + } + else { + var templatePart = isLast + ? ts.factory.createTemplateTail(subsequentText, rawSubsequentText) + : ts.factory.createTemplateMiddle(subsequentText, rawSubsequentText); + copyCommentFromStringLiterals(stringIndexes, templatePart); + templateSpans.push(ts.factory.createTemplateSpan(currentNode, templatePart)); + } + out_i_1 = i; + }; + var out_i_1; + for (var i = begin; i < nodes.length; i++) { + _loop_21(i); + i = out_i_1; + } + return ts.factory.createTemplateExpression(templateHead, templateSpans); + } + // to copy comments following the opening & closing parentheses + // "foo" + ( /* comment */ 5 + 5 ) /* comment */ + "bar" + function copyExpressionComments(node) { + var file = node.getSourceFile(); + ts.copyTrailingComments(node, node.expression, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + ts.copyTrailingAsLeadingComments(node.expression, node.expression, file, 3 /* SyntaxKind.MultiLineCommentTrivia */, /* hasTrailingNewLine */ false); + } + function getExpressionFromParenthesesOrExpression(node) { + if (ts.isParenthesizedExpression(node)) { + copyExpressionComments(node); + node = node.expression; + } + return node; + } + })(convertStringOrTemplateLiteral = refactor.convertStringOrTemplateLiteral || (refactor.convertStringOrTemplateLiteral = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var convertArrowFunctionOrFunctionExpression; + (function (convertArrowFunctionOrFunctionExpression) { + var refactorName = "Convert arrow function or function expression"; + var refactorDescription = ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_arrow_function_or_function_expression); + var toAnonymousFunctionAction = { + name: "Convert to anonymous function", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_to_anonymous_function), + kind: "refactor.rewrite.function.anonymous", + }; + var toNamedFunctionAction = { + name: "Convert to named function", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_to_named_function), + kind: "refactor.rewrite.function.named", + }; + var toArrowFunctionAction = { + name: "Convert to arrow function", + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_to_arrow_function), + kind: "refactor.rewrite.function.arrow", + }; + refactor.registerRefactor(refactorName, { + kinds: [ + toAnonymousFunctionAction.kind, + toNamedFunctionAction.kind, + toArrowFunctionAction.kind + ], + getEditsForAction: getRefactorEditsToConvertFunctionExpressions, + getAvailableActions: getRefactorActionsToConvertFunctionExpressions + }); + function getRefactorActionsToConvertFunctionExpressions(context) { + var file = context.file, startPosition = context.startPosition, program = context.program, kind = context.kind; + var info = getFunctionInfo(file, startPosition, program); + if (!info) + return ts.emptyArray; + var selectedVariableDeclaration = info.selectedVariableDeclaration, func = info.func; + var possibleActions = []; + var errors = []; + if (refactor.refactorKindBeginsWith(toNamedFunctionAction.kind, kind)) { + var error = selectedVariableDeclaration || (ts.isArrowFunction(func) && ts.isVariableDeclaration(func.parent)) ? + undefined : ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_convert_to_named_function); + if (error) { + errors.push(__assign(__assign({}, toNamedFunctionAction), { notApplicableReason: error })); + } + else { + possibleActions.push(toNamedFunctionAction); + } + } + if (refactor.refactorKindBeginsWith(toAnonymousFunctionAction.kind, kind)) { + var error = !selectedVariableDeclaration && ts.isArrowFunction(func) ? + undefined : ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_convert_to_anonymous_function); + if (error) { + errors.push(__assign(__assign({}, toAnonymousFunctionAction), { notApplicableReason: error })); + } + else { + possibleActions.push(toAnonymousFunctionAction); + } + } + if (refactor.refactorKindBeginsWith(toArrowFunctionAction.kind, kind)) { + var error = ts.isFunctionExpression(func) ? undefined : ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_convert_to_arrow_function); + if (error) { + errors.push(__assign(__assign({}, toArrowFunctionAction), { notApplicableReason: error })); + } + else { + possibleActions.push(toArrowFunctionAction); + } + } + return [{ + name: refactorName, + description: refactorDescription, + actions: possibleActions.length === 0 && context.preferences.provideRefactorNotApplicableReason ? + errors : possibleActions + }]; + } + function getRefactorEditsToConvertFunctionExpressions(context, actionName) { + var file = context.file, startPosition = context.startPosition, program = context.program; + var info = getFunctionInfo(file, startPosition, program); + if (!info) + return undefined; + var func = info.func; + var edits = []; + switch (actionName) { + case toAnonymousFunctionAction.name: + edits.push.apply(edits, getEditInfoForConvertToAnonymousFunction(context, func)); + break; + case toNamedFunctionAction.name: + var variableInfo = getVariableInfo(func); + if (!variableInfo) + return undefined; + edits.push.apply(edits, getEditInfoForConvertToNamedFunction(context, func, variableInfo)); + break; + case toArrowFunctionAction.name: + if (!ts.isFunctionExpression(func)) + return undefined; + edits.push.apply(edits, getEditInfoForConvertToArrowFunction(context, func)); + break; + default: + return ts.Debug.fail("invalid action"); + } + return { renameFilename: undefined, renameLocation: undefined, edits: edits }; + } + function containingThis(node) { + var containsThis = false; + node.forEachChild(function checkThis(child) { + if (ts.isThis(child)) { + containsThis = true; + return; + } + if (!ts.isClassLike(child) && !ts.isFunctionDeclaration(child) && !ts.isFunctionExpression(child)) { + ts.forEachChild(child, checkThis); + } + }); + return containsThis; + } + function getFunctionInfo(file, startPosition, program) { + var token = ts.getTokenAtPosition(file, startPosition); + var typeChecker = program.getTypeChecker(); + var func = tryGetFunctionFromVariableDeclaration(file, typeChecker, token.parent); + if (func && !containingThis(func.body) && !typeChecker.containsArgumentsReference(func)) { + return { selectedVariableDeclaration: true, func: func }; + } + var maybeFunc = ts.getContainingFunction(token); + if (maybeFunc && + (ts.isFunctionExpression(maybeFunc) || ts.isArrowFunction(maybeFunc)) && + !ts.rangeContainsRange(maybeFunc.body, token) && + !containingThis(maybeFunc.body) && + !typeChecker.containsArgumentsReference(maybeFunc)) { + if (ts.isFunctionExpression(maybeFunc) && isFunctionReferencedInFile(file, typeChecker, maybeFunc)) + return undefined; + return { selectedVariableDeclaration: false, func: maybeFunc }; + } + return undefined; + } + function isSingleVariableDeclaration(parent) { + return ts.isVariableDeclaration(parent) || (ts.isVariableDeclarationList(parent) && parent.declarations.length === 1); + } + function tryGetFunctionFromVariableDeclaration(sourceFile, typeChecker, parent) { + if (!isSingleVariableDeclaration(parent)) { + return undefined; + } + var variableDeclaration = ts.isVariableDeclaration(parent) ? parent : ts.first(parent.declarations); + var initializer = variableDeclaration.initializer; + if (initializer && (ts.isArrowFunction(initializer) || ts.isFunctionExpression(initializer) && !isFunctionReferencedInFile(sourceFile, typeChecker, initializer))) { + return initializer; + } + return undefined; + } + function convertToBlock(body) { + if (ts.isExpression(body)) { + var returnStatement = ts.factory.createReturnStatement(body); + var file = body.getSourceFile(); + ts.suppressLeadingAndTrailingTrivia(returnStatement); + ts.copyTrailingAsLeadingComments(body, returnStatement, file, /* commentKind */ undefined, /* hasTrailingNewLine */ true); + return ts.factory.createBlock([returnStatement], /* multiLine */ true); + } + else { + return body; + } + } + function getVariableInfo(func) { + var variableDeclaration = func.parent; + if (!ts.isVariableDeclaration(variableDeclaration) || !ts.isVariableDeclarationInVariableStatement(variableDeclaration)) + return undefined; + var variableDeclarationList = variableDeclaration.parent; + var statement = variableDeclarationList.parent; + if (!ts.isVariableDeclarationList(variableDeclarationList) || !ts.isVariableStatement(statement) || !ts.isIdentifier(variableDeclaration.name)) + return undefined; + return { variableDeclaration: variableDeclaration, variableDeclarationList: variableDeclarationList, statement: statement, name: variableDeclaration.name }; + } + function getEditInfoForConvertToAnonymousFunction(context, func) { + var file = context.file; + var body = convertToBlock(func.body); + var newNode = ts.factory.createFunctionExpression(func.modifiers, func.asteriskToken, /* name */ undefined, func.typeParameters, func.parameters, func.type, body); + return ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(file, func, newNode); }); + } + function getEditInfoForConvertToNamedFunction(context, func, variableInfo) { + var file = context.file; + var body = convertToBlock(func.body); + var variableDeclaration = variableInfo.variableDeclaration, variableDeclarationList = variableInfo.variableDeclarationList, statement = variableInfo.statement, name = variableInfo.name; + ts.suppressLeadingTrivia(statement); + var modifiersFlags = (ts.getCombinedModifierFlags(variableDeclaration) & 1 /* ModifierFlags.Export */) | ts.getEffectiveModifierFlags(func); + var modifiers = ts.factory.createModifiersFromModifierFlags(modifiersFlags); + var newNode = ts.factory.createFunctionDeclaration(func.decorators, ts.length(modifiers) ? modifiers : undefined, func.asteriskToken, name, func.typeParameters, func.parameters, func.type, body); + if (variableDeclarationList.declarations.length === 1) { + return ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(file, statement, newNode); }); + } + else { + return ts.textChanges.ChangeTracker.with(context, function (t) { + t.delete(file, variableDeclaration); + t.insertNodeAfter(file, statement, newNode); + }); + } + } + function getEditInfoForConvertToArrowFunction(context, func) { + var file = context.file; + var statements = func.body.statements; + var head = statements[0]; + var body; + if (canBeConvertedToExpression(func.body, head)) { + body = head.expression; + ts.suppressLeadingAndTrailingTrivia(body); + ts.copyComments(head, body); + } + else { + body = func.body; + } + var newNode = ts.factory.createArrowFunction(func.modifiers, func.typeParameters, func.parameters, func.type, ts.factory.createToken(38 /* SyntaxKind.EqualsGreaterThanToken */), body); + return ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(file, func, newNode); }); + } + function canBeConvertedToExpression(body, head) { + return body.statements.length === 1 && ((ts.isReturnStatement(head) && !!head.expression)); + } + function isFunctionReferencedInFile(sourceFile, typeChecker, node) { + return !!node.name && ts.FindAllReferences.Core.isSymbolReferencedInFile(node.name, typeChecker, sourceFile); + } + })(convertArrowFunctionOrFunctionExpression = refactor.convertArrowFunctionOrFunctionExpression || (refactor.convertArrowFunctionOrFunctionExpression = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var refactor; + (function (refactor) { + var inferFunctionReturnType; + (function (inferFunctionReturnType) { + var refactorName = "Infer function return type"; + var refactorDescription = ts.Diagnostics.Infer_function_return_type.message; + var inferReturnTypeAction = { + name: refactorName, + description: refactorDescription, + kind: "refactor.rewrite.function.returnType" + }; + refactor.registerRefactor(refactorName, { + kinds: [inferReturnTypeAction.kind], + getEditsForAction: getRefactorEditsToInferReturnType, + getAvailableActions: getRefactorActionsToInferReturnType + }); + function getRefactorEditsToInferReturnType(context) { + var info = getInfo(context); + if (info && !refactor.isRefactorErrorInfo(info)) { + var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, t, info.declaration, info.returnTypeNode); }); + return { renameFilename: undefined, renameLocation: undefined, edits: edits }; + } + return undefined; + } + function getRefactorActionsToInferReturnType(context) { + var info = getInfo(context); + if (!info) + return ts.emptyArray; + if (!refactor.isRefactorErrorInfo(info)) { + return [{ + name: refactorName, + description: refactorDescription, + actions: [inferReturnTypeAction] + }]; + } + if (context.preferences.provideRefactorNotApplicableReason) { + return [{ + name: refactorName, + description: refactorDescription, + actions: [__assign(__assign({}, inferReturnTypeAction), { notApplicableReason: info.error })] + }]; + } + return ts.emptyArray; + } + function doChange(sourceFile, changes, declaration, typeNode) { + var closeParen = ts.findChildOfKind(declaration, 21 /* SyntaxKind.CloseParenToken */, sourceFile); + var needParens = ts.isArrowFunction(declaration) && closeParen === undefined; + var endNode = needParens ? ts.first(declaration.parameters) : closeParen; + if (endNode) { + if (needParens) { + changes.insertNodeBefore(sourceFile, endNode, ts.factory.createToken(20 /* SyntaxKind.OpenParenToken */)); + changes.insertNodeAfter(sourceFile, endNode, ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */)); + } + changes.insertNodeAt(sourceFile, endNode.end, typeNode, { prefix: ": " }); + } + } + function getInfo(context) { + if (ts.isInJSFile(context.file) || !refactor.refactorKindBeginsWith(inferReturnTypeAction.kind, context.kind)) + return; + var token = ts.getTokenAtPosition(context.file, context.startPosition); + var declaration = ts.findAncestor(token, function (n) { + return ts.isBlock(n) || n.parent && ts.isArrowFunction(n.parent) && (n.kind === 38 /* SyntaxKind.EqualsGreaterThanToken */ || n.parent.body === n) ? "quit" : + isConvertibleDeclaration(n); + }); + if (!declaration || !declaration.body || declaration.type) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Return_type_must_be_inferred_from_a_function) }; + } + var typeChecker = context.program.getTypeChecker(); + var returnType = tryGetReturnType(typeChecker, declaration); + if (!returnType) { + return { error: ts.getLocaleSpecificMessage(ts.Diagnostics.Could_not_determine_function_return_type) }; + } + var returnTypeNode = typeChecker.typeToTypeNode(returnType, declaration, 1 /* NodeBuilderFlags.NoTruncation */); + if (returnTypeNode) { + return { declaration: declaration, returnTypeNode: returnTypeNode }; + } + } + function isConvertibleDeclaration(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + return true; + default: + return false; + } + } + function tryGetReturnType(typeChecker, node) { + if (typeChecker.isImplementationOfOverload(node)) { + var signatures = typeChecker.getTypeAtLocation(node).getCallSignatures(); + if (signatures.length > 1) { + return typeChecker.getUnionType(ts.mapDefined(signatures, function (s) { return s.getReturnType(); })); + } + } + var signature = typeChecker.getSignatureFromDeclaration(node); + if (signature) { + return typeChecker.getReturnTypeOfSignature(signature); + } + } + })(inferFunctionReturnType = refactor.inferFunctionReturnType || (refactor.inferFunctionReturnType = {})); + })(refactor = ts.refactor || (ts.refactor = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + /** The version of the language service API */ + ts.servicesVersion = "0.8"; + function createNode(kind, pos, end, parent) { + var node = ts.isNodeKind(kind) ? new NodeObject(kind, pos, end) : + kind === 79 /* SyntaxKind.Identifier */ ? new IdentifierObject(79 /* SyntaxKind.Identifier */, pos, end) : + kind === 80 /* SyntaxKind.PrivateIdentifier */ ? new PrivateIdentifierObject(80 /* SyntaxKind.PrivateIdentifier */, pos, end) : + new TokenObject(kind, pos, end); + node.parent = parent; + node.flags = parent.flags & 50720768 /* NodeFlags.ContextFlags */; + return node; + } + var NodeObject = /** @class */ (function () { + function NodeObject(kind, pos, end) { + this.pos = pos; + this.end = end; + this.flags = 0 /* NodeFlags.None */; + this.modifierFlagsCache = 0 /* ModifierFlags.None */; + this.transformFlags = 0 /* TransformFlags.None */; + this.parent = undefined; + this.kind = kind; + } + NodeObject.prototype.assertHasRealPosition = function (message) { + // eslint-disable-next-line debug-assert + ts.Debug.assert(!ts.positionIsSynthesized(this.pos) && !ts.positionIsSynthesized(this.end), message || "Node must have a real position for this operation"); + }; + NodeObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); + }; + NodeObject.prototype.getStart = function (sourceFile, includeJsDocComment) { + this.assertHasRealPosition(); + return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); + }; + NodeObject.prototype.getFullStart = function () { + this.assertHasRealPosition(); + return this.pos; + }; + NodeObject.prototype.getEnd = function () { + this.assertHasRealPosition(); + return this.end; + }; + NodeObject.prototype.getWidth = function (sourceFile) { + this.assertHasRealPosition(); + return this.getEnd() - this.getStart(sourceFile); + }; + NodeObject.prototype.getFullWidth = function () { + this.assertHasRealPosition(); + return this.end - this.pos; + }; + NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + this.assertHasRealPosition(); + return this.getStart(sourceFile) - this.pos; + }; + NodeObject.prototype.getFullText = function (sourceFile) { + this.assertHasRealPosition(); + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + NodeObject.prototype.getText = function (sourceFile) { + this.assertHasRealPosition(); + if (!sourceFile) { + sourceFile = this.getSourceFile(); + } + return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd()); + }; + NodeObject.prototype.getChildCount = function (sourceFile) { + return this.getChildren(sourceFile).length; + }; + NodeObject.prototype.getChildAt = function (index, sourceFile) { + return this.getChildren(sourceFile)[index]; + }; + NodeObject.prototype.getChildren = function (sourceFile) { + this.assertHasRealPosition("Node without a real position cannot be scanned and thus has no token nodes - use forEachChild and collect the result if that's fine"); + return this._children || (this._children = createChildren(this, sourceFile)); + }; + NodeObject.prototype.getFirstToken = function (sourceFile) { + this.assertHasRealPosition(); + var children = this.getChildren(sourceFile); + if (!children.length) { + return undefined; + } + var child = ts.find(children, function (kid) { return kid.kind < 309 /* SyntaxKind.FirstJSDocNode */ || kid.kind > 347 /* SyntaxKind.LastJSDocNode */; }); + return child.kind < 161 /* SyntaxKind.FirstNode */ ? + child : + child.getFirstToken(sourceFile); + }; + NodeObject.prototype.getLastToken = function (sourceFile) { + this.assertHasRealPosition(); + var children = this.getChildren(sourceFile); + var child = ts.lastOrUndefined(children); + if (!child) { + return undefined; + } + return child.kind < 161 /* SyntaxKind.FirstNode */ ? child : child.getLastToken(sourceFile); + }; + NodeObject.prototype.forEachChild = function (cbNode, cbNodeArray) { + return ts.forEachChild(this, cbNode, cbNodeArray); + }; + return NodeObject; + }()); + function createChildren(node, sourceFile) { + if (!ts.isNodeKind(node.kind)) { + return ts.emptyArray; + } + var children = []; + if (ts.isJSDocCommentContainingNode(node)) { + /** Don't add trivia for "tokens" since this is in a comment. */ + node.forEachChild(function (child) { + children.push(child); + }); + return children; + } + ts.scanner.setText((sourceFile || node.getSourceFile()).text); + var pos = node.pos; + var processNode = function (child) { + addSyntheticNodes(children, pos, child.pos, node); + children.push(child); + pos = child.end; + }; + var processNodes = function (nodes) { + addSyntheticNodes(children, pos, nodes.pos, node); + children.push(createSyntaxList(nodes, node)); + pos = nodes.end; + }; + // jsDocComments need to be the first children + ts.forEach(node.jsDoc, processNode); + // For syntactic classifications, all trivia are classified together, including jsdoc comments. + // For that to work, the jsdoc comments should still be the leading trivia of the first child. + // Restoring the scanner position ensures that. + pos = node.pos; + node.forEachChild(processNode, processNodes); + addSyntheticNodes(children, pos, node.end, node); + ts.scanner.setText(undefined); + return children; + } + function addSyntheticNodes(nodes, pos, end, parent) { + ts.scanner.setTextPos(pos); + while (pos < end) { + var token = ts.scanner.scan(); + var textPos = ts.scanner.getTextPos(); + if (textPos <= end) { + if (token === 79 /* SyntaxKind.Identifier */) { + ts.Debug.fail("Did not expect ".concat(ts.Debug.formatSyntaxKind(parent.kind), " to have an Identifier in its trivia")); + } + nodes.push(createNode(token, pos, textPos, parent)); + } + pos = textPos; + if (token === 1 /* SyntaxKind.EndOfFileToken */) { + break; + } + } + } + function createSyntaxList(nodes, parent) { + var list = createNode(348 /* SyntaxKind.SyntaxList */, nodes.pos, nodes.end, parent); + list._children = []; + var pos = nodes.pos; + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + addSyntheticNodes(list._children, pos, node.pos, parent); + list._children.push(node); + pos = node.end; + } + addSyntheticNodes(list._children, pos, nodes.end, parent); + return list; + } + var TokenOrIdentifierObject = /** @class */ (function () { + function TokenOrIdentifierObject(pos, end) { + // Set properties in same order as NodeObject + this.pos = pos; + this.end = end; + this.flags = 0 /* NodeFlags.None */; + this.modifierFlagsCache = 0 /* ModifierFlags.None */; + this.transformFlags = 0 /* TransformFlags.None */; + this.parent = undefined; + } + TokenOrIdentifierObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); + }; + TokenOrIdentifierObject.prototype.getStart = function (sourceFile, includeJsDocComment) { + return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); + }; + TokenOrIdentifierObject.prototype.getFullStart = function () { + return this.pos; + }; + TokenOrIdentifierObject.prototype.getEnd = function () { + return this.end; + }; + TokenOrIdentifierObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); + }; + TokenOrIdentifierObject.prototype.getFullWidth = function () { + return this.end - this.pos; + }; + TokenOrIdentifierObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; + }; + TokenOrIdentifierObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + TokenOrIdentifierObject.prototype.getText = function (sourceFile) { + if (!sourceFile) { + sourceFile = this.getSourceFile(); + } + return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd()); + }; + TokenOrIdentifierObject.prototype.getChildCount = function () { + return this.getChildren().length; + }; + TokenOrIdentifierObject.prototype.getChildAt = function (index) { + return this.getChildren()[index]; + }; + TokenOrIdentifierObject.prototype.getChildren = function () { + return this.kind === 1 /* SyntaxKind.EndOfFileToken */ ? this.jsDoc || ts.emptyArray : ts.emptyArray; + }; + TokenOrIdentifierObject.prototype.getFirstToken = function () { + return undefined; + }; + TokenOrIdentifierObject.prototype.getLastToken = function () { + return undefined; + }; + TokenOrIdentifierObject.prototype.forEachChild = function () { + return undefined; + }; + return TokenOrIdentifierObject; + }()); + var SymbolObject = /** @class */ (function () { + function SymbolObject(flags, name) { + this.flags = flags; + this.escapedName = name; + } + SymbolObject.prototype.getFlags = function () { + return this.flags; + }; + Object.defineProperty(SymbolObject.prototype, "name", { + get: function () { + return ts.symbolName(this); + }, + enumerable: false, + configurable: true + }); + SymbolObject.prototype.getEscapedName = function () { + return this.escapedName; + }; + SymbolObject.prototype.getName = function () { + return this.name; + }; + SymbolObject.prototype.getDeclarations = function () { + return this.declarations; + }; + SymbolObject.prototype.getDocumentationComment = function (checker) { + if (!this.documentationComment) { + this.documentationComment = ts.emptyArray; // Set temporarily to avoid an infinite loop finding inherited docs + if (!this.declarations && this.target && this.target.tupleLabelDeclaration) { + var labelDecl = this.target.tupleLabelDeclaration; + this.documentationComment = getDocumentationComment([labelDecl], checker); + } + else { + this.documentationComment = getDocumentationComment(this.declarations, checker); + } + } + return this.documentationComment; + }; + SymbolObject.prototype.getContextualDocumentationComment = function (context, checker) { + switch (context === null || context === void 0 ? void 0 : context.kind) { + case 172 /* SyntaxKind.GetAccessor */: + if (!this.contextualGetAccessorDocumentationComment) { + this.contextualGetAccessorDocumentationComment = getDocumentationComment(ts.filter(this.declarations, ts.isGetAccessor), checker); + } + return this.contextualGetAccessorDocumentationComment; + case 173 /* SyntaxKind.SetAccessor */: + if (!this.contextualSetAccessorDocumentationComment) { + this.contextualSetAccessorDocumentationComment = getDocumentationComment(ts.filter(this.declarations, ts.isSetAccessor), checker); + } + return this.contextualSetAccessorDocumentationComment; + default: + return this.getDocumentationComment(checker); + } + }; + SymbolObject.prototype.getJsDocTags = function (checker) { + if (this.tags === undefined) { + this.tags = getJsDocTagsOfDeclarations(this.declarations, checker); + } + return this.tags; + }; + SymbolObject.prototype.getContextualJsDocTags = function (context, checker) { + switch (context === null || context === void 0 ? void 0 : context.kind) { + case 172 /* SyntaxKind.GetAccessor */: + if (!this.contextualGetAccessorTags) { + this.contextualGetAccessorTags = getJsDocTagsOfDeclarations(ts.filter(this.declarations, ts.isGetAccessor), checker); + } + return this.contextualGetAccessorTags; + case 173 /* SyntaxKind.SetAccessor */: + if (!this.contextualSetAccessorTags) { + this.contextualSetAccessorTags = getJsDocTagsOfDeclarations(ts.filter(this.declarations, ts.isSetAccessor), checker); + } + return this.contextualSetAccessorTags; + default: + return this.getJsDocTags(checker); + } + }; + return SymbolObject; + }()); + var TokenObject = /** @class */ (function (_super) { + __extends(TokenObject, _super); + function TokenObject(kind, pos, end) { + var _this = _super.call(this, pos, end) || this; + _this.kind = kind; + return _this; + } + return TokenObject; + }(TokenOrIdentifierObject)); + var IdentifierObject = /** @class */ (function (_super) { + __extends(IdentifierObject, _super); + function IdentifierObject(_kind, pos, end) { + var _this = _super.call(this, pos, end) || this; + _this.kind = 79 /* SyntaxKind.Identifier */; + return _this; + } + Object.defineProperty(IdentifierObject.prototype, "text", { + get: function () { + return ts.idText(this); + }, + enumerable: false, + configurable: true + }); + return IdentifierObject; + }(TokenOrIdentifierObject)); + IdentifierObject.prototype.kind = 79 /* SyntaxKind.Identifier */; + var PrivateIdentifierObject = /** @class */ (function (_super) { + __extends(PrivateIdentifierObject, _super); + function PrivateIdentifierObject(_kind, pos, end) { + return _super.call(this, pos, end) || this; + } + Object.defineProperty(PrivateIdentifierObject.prototype, "text", { + get: function () { + return ts.idText(this); + }, + enumerable: false, + configurable: true + }); + return PrivateIdentifierObject; + }(TokenOrIdentifierObject)); + PrivateIdentifierObject.prototype.kind = 80 /* SyntaxKind.PrivateIdentifier */; + var TypeObject = /** @class */ (function () { + function TypeObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + TypeObject.prototype.getFlags = function () { + return this.flags; + }; + TypeObject.prototype.getSymbol = function () { + return this.symbol; + }; + TypeObject.prototype.getProperties = function () { + return this.checker.getPropertiesOfType(this); + }; + TypeObject.prototype.getProperty = function (propertyName) { + return this.checker.getPropertyOfType(this, propertyName); + }; + TypeObject.prototype.getApparentProperties = function () { + return this.checker.getAugmentedPropertiesOfType(this); + }; + TypeObject.prototype.getCallSignatures = function () { + return this.checker.getSignaturesOfType(this, 0 /* SignatureKind.Call */); + }; + TypeObject.prototype.getConstructSignatures = function () { + return this.checker.getSignaturesOfType(this, 1 /* SignatureKind.Construct */); + }; + TypeObject.prototype.getStringIndexType = function () { + return this.checker.getIndexTypeOfType(this, 0 /* IndexKind.String */); + }; + TypeObject.prototype.getNumberIndexType = function () { + return this.checker.getIndexTypeOfType(this, 1 /* IndexKind.Number */); + }; + TypeObject.prototype.getBaseTypes = function () { + return this.isClassOrInterface() ? this.checker.getBaseTypes(this) : undefined; + }; + TypeObject.prototype.isNullableType = function () { + return this.checker.isNullableType(this); + }; + TypeObject.prototype.getNonNullableType = function () { + return this.checker.getNonNullableType(this); + }; + TypeObject.prototype.getNonOptionalType = function () { + return this.checker.getNonOptionalType(this); + }; + TypeObject.prototype.getConstraint = function () { + return this.checker.getBaseConstraintOfType(this); + }; + TypeObject.prototype.getDefault = function () { + return this.checker.getDefaultFromTypeParameter(this); + }; + TypeObject.prototype.isUnion = function () { + return !!(this.flags & 1048576 /* TypeFlags.Union */); + }; + TypeObject.prototype.isIntersection = function () { + return !!(this.flags & 2097152 /* TypeFlags.Intersection */); + }; + TypeObject.prototype.isUnionOrIntersection = function () { + return !!(this.flags & 3145728 /* TypeFlags.UnionOrIntersection */); + }; + TypeObject.prototype.isLiteral = function () { + return !!(this.flags & 384 /* TypeFlags.StringOrNumberLiteral */); + }; + TypeObject.prototype.isStringLiteral = function () { + return !!(this.flags & 128 /* TypeFlags.StringLiteral */); + }; + TypeObject.prototype.isNumberLiteral = function () { + return !!(this.flags & 256 /* TypeFlags.NumberLiteral */); + }; + TypeObject.prototype.isTypeParameter = function () { + return !!(this.flags & 262144 /* TypeFlags.TypeParameter */); + }; + TypeObject.prototype.isClassOrInterface = function () { + return !!(ts.getObjectFlags(this) & 3 /* ObjectFlags.ClassOrInterface */); + }; + TypeObject.prototype.isClass = function () { + return !!(ts.getObjectFlags(this) & 1 /* ObjectFlags.Class */); + }; + TypeObject.prototype.isIndexType = function () { + return !!(this.flags & 4194304 /* TypeFlags.Index */); + }; + Object.defineProperty(TypeObject.prototype, "typeArguments", { + /** + * This polyfills `referenceType.typeArguments` for API consumers + */ + get: function () { + if (ts.getObjectFlags(this) & 4 /* ObjectFlags.Reference */) { + return this.checker.getTypeArguments(this); + } + return undefined; + }, + enumerable: false, + configurable: true + }); + return TypeObject; + }()); + var SignatureObject = /** @class */ (function () { + function SignatureObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + SignatureObject.prototype.getDeclaration = function () { + return this.declaration; + }; + SignatureObject.prototype.getTypeParameters = function () { + return this.typeParameters; + }; + SignatureObject.prototype.getParameters = function () { + return this.parameters; + }; + SignatureObject.prototype.getReturnType = function () { + return this.checker.getReturnTypeOfSignature(this); + }; + SignatureObject.prototype.getTypeParameterAtPosition = function (pos) { + var type = this.checker.getParameterType(this, pos); + if (type.isIndexType() && ts.isThisTypeParameter(type.type)) { + var constraint = type.type.getConstraint(); + if (constraint) { + return this.checker.getIndexType(constraint); + } + } + return type; + }; + SignatureObject.prototype.getDocumentationComment = function () { + return this.documentationComment || (this.documentationComment = getDocumentationComment(ts.singleElementArray(this.declaration), this.checker)); + }; + SignatureObject.prototype.getJsDocTags = function () { + return this.jsDocTags || (this.jsDocTags = getJsDocTagsOfDeclarations(ts.singleElementArray(this.declaration), this.checker)); + }; + return SignatureObject; + }()); + /** + * Returns whether or not the given node has a JSDoc "inheritDoc" tag on it. + * @param node the Node in question. + * @returns `true` if `node` has a JSDoc "inheritDoc" tag on it, otherwise `false`. + */ + function hasJSDocInheritDocTag(node) { + return ts.getJSDocTags(node).some(function (tag) { return tag.tagName.text === "inheritDoc"; }); + } + function getJsDocTagsOfDeclarations(declarations, checker) { + if (!declarations) + return ts.emptyArray; + var tags = ts.JsDoc.getJsDocTagsFromDeclarations(declarations, checker); + if (checker && (tags.length === 0 || declarations.some(hasJSDocInheritDocTag))) { + var seenSymbols_1 = new ts.Set(); + var _loop_22 = function (declaration) { + var inheritedTags = findBaseOfDeclaration(checker, declaration, function (symbol) { + var _a; + if (!seenSymbols_1.has(symbol)) { + seenSymbols_1.add(symbol); + if (declaration.kind === 172 /* SyntaxKind.GetAccessor */ || declaration.kind === 173 /* SyntaxKind.SetAccessor */) { + return symbol.getContextualJsDocTags(declaration, checker); + } + return ((_a = symbol.declarations) === null || _a === void 0 ? void 0 : _a.length) === 1 ? symbol.getJsDocTags() : undefined; + } + }); + if (inheritedTags) { + tags = __spreadArray(__spreadArray([], inheritedTags, true), tags, true); + } + }; + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var declaration = declarations_6[_i]; + _loop_22(declaration); + } + } + return tags; + } + function getDocumentationComment(declarations, checker) { + if (!declarations) + return ts.emptyArray; + var doc = ts.JsDoc.getJsDocCommentsFromDeclarations(declarations, checker); + if (checker && (doc.length === 0 || declarations.some(hasJSDocInheritDocTag))) { + var seenSymbols_2 = new ts.Set(); + var _loop_23 = function (declaration) { + var inheritedDocs = findBaseOfDeclaration(checker, declaration, function (symbol) { + if (!seenSymbols_2.has(symbol)) { + seenSymbols_2.add(symbol); + if (declaration.kind === 172 /* SyntaxKind.GetAccessor */ || declaration.kind === 173 /* SyntaxKind.SetAccessor */) { + return symbol.getContextualDocumentationComment(declaration, checker); + } + return symbol.getDocumentationComment(checker); + } + }); + // TODO: GH#16312 Return a ReadonlyArray, avoid copying inheritedDocs + if (inheritedDocs) + doc = doc.length === 0 ? inheritedDocs.slice() : inheritedDocs.concat(ts.lineBreakPart(), doc); + }; + for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) { + var declaration = declarations_7[_i]; + _loop_23(declaration); + } + } + return doc; + } + function findBaseOfDeclaration(checker, declaration, cb) { + var _a; + if (ts.hasStaticModifier(declaration)) + return; + var classOrInterfaceDeclaration = ((_a = declaration.parent) === null || _a === void 0 ? void 0 : _a.kind) === 171 /* SyntaxKind.Constructor */ ? declaration.parent.parent : declaration.parent; + if (!classOrInterfaceDeclaration) + return; + return ts.firstDefined(ts.getAllSuperTypeNodes(classOrInterfaceDeclaration), function (superTypeNode) { + var symbol = checker.getPropertyOfType(checker.getTypeAtLocation(superTypeNode), declaration.symbol.name); + return symbol ? cb(symbol) : undefined; + }); + } + var SourceFileObject = /** @class */ (function (_super) { + __extends(SourceFileObject, _super); + function SourceFileObject(kind, pos, end) { + var _this = _super.call(this, kind, pos, end) || this; + _this.kind = 305 /* SyntaxKind.SourceFile */; + return _this; + } + SourceFileObject.prototype.update = function (newText, textChangeRange) { + return ts.updateSourceFile(this, newText, textChangeRange); + }; + SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { + return ts.getLineAndCharacterOfPosition(this, position); + }; + SourceFileObject.prototype.getLineStarts = function () { + return ts.getLineStarts(this); + }; + SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character, allowEdits) { + return ts.computePositionOfLineAndCharacter(ts.getLineStarts(this), line, character, this.text, allowEdits); + }; + SourceFileObject.prototype.getLineEndOfPosition = function (pos) { + var line = this.getLineAndCharacterOfPosition(pos).line; + var lineStarts = this.getLineStarts(); + var lastCharPos; + if (line + 1 >= lineStarts.length) { + lastCharPos = this.getEnd(); + } + if (!lastCharPos) { + lastCharPos = lineStarts[line + 1] - 1; + } + var fullText = this.getFullText(); + // if the new line is "\r\n", we should return the last non-new-line-character position + return fullText[lastCharPos] === "\n" && fullText[lastCharPos - 1] === "\r" ? lastCharPos - 1 : lastCharPos; + }; + SourceFileObject.prototype.getNamedDeclarations = function () { + if (!this.namedDeclarations) { + this.namedDeclarations = this.computeNamedDeclarations(); + } + return this.namedDeclarations; + }; + SourceFileObject.prototype.computeNamedDeclarations = function () { + var result = ts.createMultiMap(); + this.forEachChild(visit); + return result; + function addDeclaration(declaration) { + var name = getDeclarationName(declaration); + if (name) { + result.add(name, declaration); + } + } + function getDeclarations(name) { + var declarations = result.get(name); + if (!declarations) { + result.set(name, declarations = []); + } + return declarations; + } + function getDeclarationName(declaration) { + var name = ts.getNonAssignedNameOfDeclaration(declaration); + return name && (ts.isComputedPropertyName(name) && ts.isPropertyAccessExpression(name.expression) ? name.expression.name.text + : ts.isPropertyName(name) ? ts.getNameFromPropertyName(name) : undefined); + } + function visit(node) { + switch (node.kind) { + case 256 /* SyntaxKind.FunctionDeclaration */: + case 213 /* SyntaxKind.FunctionExpression */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + var functionDeclaration = node; + var declarationName = getDeclarationName(functionDeclaration); + if (declarationName) { + var declarations = getDeclarations(declarationName); + var lastDeclaration = ts.lastOrUndefined(declarations); + // Check whether this declaration belongs to an "overload group". + if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { + // Overwrite the last declaration if it was an overload + // and this one is an implementation. + if (functionDeclaration.body && !lastDeclaration.body) { + declarations[declarations.length - 1] = functionDeclaration; + } + } + else { + declarations.push(functionDeclaration); + } + } + ts.forEachChild(node, visit); + break; + case 257 /* SyntaxKind.ClassDeclaration */: + case 226 /* SyntaxKind.ClassExpression */: + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 261 /* SyntaxKind.ModuleDeclaration */: + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + case 275 /* SyntaxKind.ExportSpecifier */: + case 270 /* SyntaxKind.ImportSpecifier */: + case 267 /* SyntaxKind.ImportClause */: + case 268 /* SyntaxKind.NamespaceImport */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 182 /* SyntaxKind.TypeLiteral */: + addDeclaration(node); + ts.forEachChild(node, visit); + break; + case 164 /* SyntaxKind.Parameter */: + // Only consider parameter properties + if (!ts.hasSyntacticModifier(node, 16476 /* ModifierFlags.ParameterPropertyModifier */)) { + break; + } + // falls through + case 254 /* SyntaxKind.VariableDeclaration */: + case 203 /* SyntaxKind.BindingElement */: { + var decl = node; + if (ts.isBindingPattern(decl.name)) { + ts.forEachChild(decl.name, visit); + break; + } + if (decl.initializer) { + visit(decl.initializer); + } + } + // falls through + case 299 /* SyntaxKind.EnumMember */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + addDeclaration(node); + break; + case 272 /* SyntaxKind.ExportDeclaration */: + // Handle named exports case e.g.: + // export {a, b as B} from "mod"; + var exportDeclaration = node; + if (exportDeclaration.exportClause) { + if (ts.isNamedExports(exportDeclaration.exportClause)) { + ts.forEach(exportDeclaration.exportClause.elements, visit); + } + else { + visit(exportDeclaration.exportClause.name); + } + } + break; + case 266 /* SyntaxKind.ImportDeclaration */: + var importClause = node.importClause; + if (importClause) { + // Handle default import case e.g.: + // import d from "mod"; + if (importClause.name) { + addDeclaration(importClause.name); + } + // Handle named bindings in imports e.g.: + // import * as NS from "mod"; + // import {a, b as B} from "mod"; + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 268 /* SyntaxKind.NamespaceImport */) { + addDeclaration(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + case 221 /* SyntaxKind.BinaryExpression */: + if (ts.getAssignmentDeclarationKind(node) !== 0 /* AssignmentDeclarationKind.None */) { + addDeclaration(node); + } + // falls through + default: + ts.forEachChild(node, visit); + } + } + }; + return SourceFileObject; + }(NodeObject)); + var SourceMapSourceObject = /** @class */ (function () { + function SourceMapSourceObject(fileName, text, skipTrivia) { + this.fileName = fileName; + this.text = text; + this.skipTrivia = skipTrivia; + } + SourceMapSourceObject.prototype.getLineAndCharacterOfPosition = function (pos) { + return ts.getLineAndCharacterOfPosition(this, pos); + }; + return SourceMapSourceObject; + }()); + function getServicesObjectAllocator() { + return { + getNodeConstructor: function () { return NodeObject; }, + getTokenConstructor: function () { return TokenObject; }, + getIdentifierConstructor: function () { return IdentifierObject; }, + getPrivateIdentifierConstructor: function () { return PrivateIdentifierObject; }, + getSourceFileConstructor: function () { return SourceFileObject; }, + getSymbolConstructor: function () { return SymbolObject; }, + getTypeConstructor: function () { return TypeObject; }, + getSignatureConstructor: function () { return SignatureObject; }, + getSourceMapSourceConstructor: function () { return SourceMapSourceObject; }, + }; + } + function toEditorSettings(optionsAsMap) { + var allPropertiesAreCamelCased = true; + for (var key in optionsAsMap) { + if (ts.hasProperty(optionsAsMap, key) && !isCamelCase(key)) { + allPropertiesAreCamelCased = false; + break; + } + } + if (allPropertiesAreCamelCased) { + return optionsAsMap; + } + var settings = {}; + for (var key in optionsAsMap) { + if (ts.hasProperty(optionsAsMap, key)) { + var newKey = isCamelCase(key) ? key : key.charAt(0).toLowerCase() + key.substr(1); + settings[newKey] = optionsAsMap[key]; + } + } + return settings; + } + ts.toEditorSettings = toEditorSettings; + function isCamelCase(s) { + return !s.length || s.charAt(0) === s.charAt(0).toLowerCase(); + } + function displayPartsToString(displayParts) { + if (displayParts) { + return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); + } + return ""; + } + ts.displayPartsToString = displayPartsToString; + function getDefaultCompilerOptions() { + // Always default to "ScriptTarget.ES5" for the language service + return { + target: 1 /* ScriptTarget.ES5 */, + jsx: 1 /* JsxEmit.Preserve */ + }; + } + ts.getDefaultCompilerOptions = getDefaultCompilerOptions; + function getSupportedCodeFixes() { + return ts.codefix.getSupportedErrorCodes(); + } + ts.getSupportedCodeFixes = getSupportedCodeFixes; + // Cache host information about script Should be refreshed + // at each language service public entry point, since we don't know when + // the set of scripts handled by the host changes. + var HostCache = /** @class */ (function () { + function HostCache(host, getCanonicalFileName) { + this.host = host; + // script id => script index + this.currentDirectory = host.getCurrentDirectory(); + this.fileNameToEntry = new ts.Map(); + // Initialize the list with the root file names + var rootFileNames = host.getScriptFileNames(); + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.push("session" /* tracing.Phase.Session */, "initializeHostCache", { count: rootFileNames.length }); + for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { + var fileName = rootFileNames_1[_i]; + this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); + } + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.pop(); + } + HostCache.prototype.createEntry = function (fileName, path) { + var entry; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (scriptSnapshot) { + entry = { + hostFileName: fileName, + version: this.host.getScriptVersion(fileName), + scriptSnapshot: scriptSnapshot, + scriptKind: ts.getScriptKind(fileName, this.host) + }; + } + else { + entry = fileName; + } + this.fileNameToEntry.set(path, entry); + return entry; + }; + HostCache.prototype.getEntryByPath = function (path) { + return this.fileNameToEntry.get(path); + }; + HostCache.prototype.getHostFileInformation = function (path) { + var entry = this.fileNameToEntry.get(path); + return !ts.isString(entry) ? entry : undefined; + }; + HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) { + var info = this.getEntryByPath(path) || this.createEntry(fileName, path); + return ts.isString(info) ? undefined : info; // TODO: GH#18217 + }; + HostCache.prototype.getRootFileNames = function () { + var names = []; + this.fileNameToEntry.forEach(function (entry) { + if (ts.isString(entry)) { + names.push(entry); + } + else { + names.push(entry.hostFileName); + } + }); + return names; + }; + HostCache.prototype.getScriptSnapshot = function (path) { + var file = this.getHostFileInformation(path); + return (file && file.scriptSnapshot); // TODO: GH#18217 + }; + return HostCache; + }()); + var SyntaxTreeCache = /** @class */ (function () { + function SyntaxTreeCache(host) { + this.host = host; + } + SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { + var _a, _b, _c, _d, _e, _f, _g, _h; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (!scriptSnapshot) { + // The host does not know about this file. + throw new Error("Could not find file: '" + fileName + "'."); + } + var scriptKind = ts.getScriptKind(fileName, this.host); + var version = this.host.getScriptVersion(fileName); + var sourceFile; + if (this.currentFileName !== fileName) { + // This is a new file, just parse it + var options = { + languageVersion: 99 /* ScriptTarget.Latest */, + impliedNodeFormat: ts.getImpliedNodeFormatForFile(ts.toPath(fileName, this.host.getCurrentDirectory(), ((_c = (_b = (_a = this.host).getCompilerHost) === null || _b === void 0 ? void 0 : _b.call(_a)) === null || _c === void 0 ? void 0 : _c.getCanonicalFileName) || ts.hostGetCanonicalFileName(this.host)), (_h = (_g = (_f = (_e = (_d = this.host).getCompilerHost) === null || _e === void 0 ? void 0 : _e.call(_d)) === null || _f === void 0 ? void 0 : _f.getModuleResolutionCache) === null || _g === void 0 ? void 0 : _g.call(_f)) === null || _h === void 0 ? void 0 : _h.getPackageJsonInfoCache(), this.host, this.host.getCompilationSettings()), + setExternalModuleIndicator: ts.getSetExternalModuleIndicator(this.host.getCompilationSettings()) + }; + sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, options, version, /*setNodeParents*/ true, scriptKind); + } + else if (this.currentFileVersion !== version) { + // This is the same file, just a newer version. Incrementally parse the file. + var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); + sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); + } + if (sourceFile) { + // All done, ensure state is up to date + this.currentFileVersion = version; + this.currentFileName = fileName; + this.currentFileScriptSnapshot = scriptSnapshot; + this.currentSourceFile = sourceFile; + } + return this.currentSourceFile; + }; + return SyntaxTreeCache; + }()); + function setSourceFileFields(sourceFile, scriptSnapshot, version) { + sourceFile.version = version; + sourceFile.scriptSnapshot = scriptSnapshot; + } + function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTargetOrOptions, version, setNodeParents, scriptKind) { + var sourceFile = ts.createSourceFile(fileName, ts.getSnapshotText(scriptSnapshot), scriptTargetOrOptions, setNodeParents, scriptKind); + setSourceFileFields(sourceFile, scriptSnapshot, version); + return sourceFile; + } + ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; + function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { + // If we were given a text change range, and our version or open-ness changed, then + // incrementally parse this file. + if (textChangeRange) { + if (version !== sourceFile.version) { + var newText = void 0; + // grab the fragment from the beginning of the original text to the beginning of the span + var prefix = textChangeRange.span.start !== 0 + ? sourceFile.text.substr(0, textChangeRange.span.start) + : ""; + // grab the fragment from the end of the span till the end of the original text + var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length + ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) + : ""; + if (textChangeRange.newLength === 0) { + // edit was a deletion - just combine prefix and suffix + newText = prefix && suffix ? prefix + suffix : prefix || suffix; + } + else { + // it was actual edit, fetch the fragment of new text that correspond to new span + var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); + // combine prefix, changed text and suffix + newText = prefix && suffix + ? prefix + changedText + suffix + : prefix + ? (prefix + changedText) + : (changedText + suffix); + } + var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + setSourceFileFields(newSourceFile, scriptSnapshot, version); + // after incremental parsing nameTable might not be up-to-date + // drop it so it can be lazily recreated later + newSourceFile.nameTable = undefined; + // dispose all resources held by old script snapshot + if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { + if (sourceFile.scriptSnapshot.dispose) { + sourceFile.scriptSnapshot.dispose(); + } + sourceFile.scriptSnapshot = undefined; + } + return newSourceFile; + } + } + var options = { + languageVersion: sourceFile.languageVersion, + impliedNodeFormat: sourceFile.impliedNodeFormat, + setExternalModuleIndicator: sourceFile.setExternalModuleIndicator, + }; + // Otherwise, just create a new source file. + return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, options, version, /*setNodeParents*/ true, sourceFile.scriptKind); + } + ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; + var NoopCancellationToken = { + isCancellationRequested: ts.returnFalse, + throwIfCancellationRequested: ts.noop, + }; + var CancellationTokenObject = /** @class */ (function () { + function CancellationTokenObject(cancellationToken) { + this.cancellationToken = cancellationToken; + } + CancellationTokenObject.prototype.isCancellationRequested = function () { + return this.cancellationToken.isCancellationRequested(); + }; + CancellationTokenObject.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("session" /* tracing.Phase.Session */, "cancellationThrown", { kind: "CancellationTokenObject" }); + throw new ts.OperationCanceledException(); + } + }; + return CancellationTokenObject; + }()); + /* @internal */ + /** A cancellation that throttles calls to the host */ + var ThrottledCancellationToken = /** @class */ (function () { + function ThrottledCancellationToken(hostCancellationToken, throttleWaitMilliseconds) { + if (throttleWaitMilliseconds === void 0) { throttleWaitMilliseconds = 20; } + this.hostCancellationToken = hostCancellationToken; + this.throttleWaitMilliseconds = throttleWaitMilliseconds; + // Store when we last tried to cancel. Checking cancellation can be expensive (as we have + // to marshall over to the host layer). So we only bother actually checking once enough + // time has passed. + this.lastCancellationCheckTime = 0; + } + ThrottledCancellationToken.prototype.isCancellationRequested = function () { + var time = ts.timestamp(); + var duration = Math.abs(time - this.lastCancellationCheckTime); + if (duration >= this.throttleWaitMilliseconds) { + // Check no more than once every throttle wait milliseconds + this.lastCancellationCheckTime = time; + return this.hostCancellationToken.isCancellationRequested(); + } + return false; + }; + ThrottledCancellationToken.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + ts.tracing === null || ts.tracing === void 0 ? void 0 : ts.tracing.instant("session" /* tracing.Phase.Session */, "cancellationThrown", { kind: "ThrottledCancellationToken" }); + throw new ts.OperationCanceledException(); + } + }; + return ThrottledCancellationToken; + }()); + ts.ThrottledCancellationToken = ThrottledCancellationToken; + var invalidOperationsInPartialSemanticMode = [ + "getSemanticDiagnostics", + "getSuggestionDiagnostics", + "getCompilerOptionsDiagnostics", + "getSemanticClassifications", + "getEncodedSemanticClassifications", + "getCodeFixesAtPosition", + "getCombinedCodeFix", + "applyCodeActionCommand", + "organizeImports", + "getEditsForFileRename", + "getEmitOutput", + "getApplicableRefactors", + "getEditsForRefactor", + "prepareCallHierarchy", + "provideCallHierarchyIncomingCalls", + "provideCallHierarchyOutgoingCalls", + "provideInlayHints" + ]; + var invalidOperationsInSyntacticMode = __spreadArray(__spreadArray([], invalidOperationsInPartialSemanticMode, true), [ + "getCompletionsAtPosition", + "getCompletionEntryDetails", + "getCompletionEntrySymbol", + "getSignatureHelpItems", + "getQuickInfoAtPosition", + "getDefinitionAtPosition", + "getDefinitionAndBoundSpan", + "getImplementationAtPosition", + "getTypeDefinitionAtPosition", + "getReferencesAtPosition", + "findReferences", + "getOccurrencesAtPosition", + "getDocumentHighlights", + "getNavigateToItems", + "getRenameInfo", + "findRenameLocations", + "getApplicableRefactors", + ], false); + function createLanguageService(host, documentRegistry, syntaxOnlyOrLanguageServiceMode) { + var _a; + var _b; + if (documentRegistry === void 0) { documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } + var languageServiceMode; + if (syntaxOnlyOrLanguageServiceMode === undefined) { + languageServiceMode = ts.LanguageServiceMode.Semantic; + } + else if (typeof syntaxOnlyOrLanguageServiceMode === "boolean") { + // languageServiceMode = SyntaxOnly + languageServiceMode = syntaxOnlyOrLanguageServiceMode ? ts.LanguageServiceMode.Syntactic : ts.LanguageServiceMode.Semantic; + } + else { + languageServiceMode = syntaxOnlyOrLanguageServiceMode; + } + var syntaxTreeCache = new SyntaxTreeCache(host); + var program; + var lastProjectVersion; + var lastTypesRootVersion = 0; + var cancellationToken = host.getCancellationToken + ? new CancellationTokenObject(host.getCancellationToken()) + : NoopCancellationToken; + var currentDirectory = host.getCurrentDirectory(); + // Checks if the localized messages json is set, and if not, query the host for it + ts.maybeSetLocalizedDiagnosticMessages((_b = host.getLocalizedDiagnosticMessages) === null || _b === void 0 ? void 0 : _b.bind(host)); + function log(message) { + if (host.log) { + host.log(message); + } + } + var useCaseSensitiveFileNames = ts.hostUsesCaseSensitiveFileNames(host); + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames); + var sourceMapper = ts.getSourceMapper({ + useCaseSensitiveFileNames: function () { return useCaseSensitiveFileNames; }, + getCurrentDirectory: function () { return currentDirectory; }, + getProgram: getProgram, + fileExists: ts.maybeBind(host, host.fileExists), + readFile: ts.maybeBind(host, host.readFile), + getDocumentPositionMapper: ts.maybeBind(host, host.getDocumentPositionMapper), + getSourceFileLike: ts.maybeBind(host, host.getSourceFileLike), + log: log + }); + function getValidSourceFile(fileName) { + var sourceFile = program.getSourceFile(fileName); + if (!sourceFile) { + var error = new Error("Could not find source file: '".concat(fileName, "'.")); + // We've been having trouble debugging this, so attach sidecar data for the tsserver log. + // See https://github.com/microsoft/TypeScript/issues/30180. + error.ProgramFiles = program.getSourceFiles().map(function (f) { return f.fileName; }); + throw error; + } + return sourceFile; + } + function synchronizeHostData() { + var _a, _b, _c; + ts.Debug.assert(languageServiceMode !== ts.LanguageServiceMode.Syntactic); + // perform fast check if host supports it + if (host.getProjectVersion) { + var hostProjectVersion = host.getProjectVersion(); + if (hostProjectVersion) { + if (lastProjectVersion === hostProjectVersion && !((_a = host.hasChangedAutomaticTypeDirectiveNames) === null || _a === void 0 ? void 0 : _a.call(host))) { + return; + } + lastProjectVersion = hostProjectVersion; + } + } + var typeRootsVersion = host.getTypeRootsVersion ? host.getTypeRootsVersion() : 0; + if (lastTypesRootVersion !== typeRootsVersion) { + log("TypeRoots version has changed; provide new program"); + program = undefined; // TODO: GH#18217 + lastTypesRootVersion = typeRootsVersion; + } + // Get a fresh cache of the host information + var hostCache = new HostCache(host, getCanonicalFileName); + var rootFileNames = hostCache.getRootFileNames(); + var newSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); + var hasInvalidatedResolution = host.hasInvalidatedResolution || ts.returnFalse; + var hasChangedAutomaticTypeDirectiveNames = ts.maybeBind(host, host.hasChangedAutomaticTypeDirectiveNames); + var projectReferences = (_b = host.getProjectReferences) === null || _b === void 0 ? void 0 : _b.call(host); + var parsedCommandLines; + var parseConfigHost = { + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + fileExists: fileExists, + readFile: readFile, + readDirectory: readDirectory, + trace: ts.maybeBind(host, host.trace), + getCurrentDirectory: function () { return currentDirectory; }, + onUnRecoverableConfigFileDiagnostic: ts.noop, + }; + // If the program is already up-to-date, we can reuse it + if (ts.isProgramUptoDate(program, rootFileNames, newSettings, function (_path, fileName) { return host.getScriptVersion(fileName); }, fileExists, hasInvalidatedResolution, hasChangedAutomaticTypeDirectiveNames, getParsedCommandLine, projectReferences)) { + return; + } + // IMPORTANT - It is critical from this moment onward that we do not check + // cancellation tokens. We are about to mutate source files from a previous program + // instance. If we cancel midway through, we may end up in an inconsistent state where + // the program points to old source files that have been invalidated because of + // incremental parsing. + // Now create a new compiler + var compilerHost = { + getSourceFile: getOrCreateSourceFile, + getSourceFileByPath: getOrCreateSourceFileByPath, + getCancellationToken: function () { return cancellationToken; }, + getCanonicalFileName: getCanonicalFileName, + useCaseSensitiveFileNames: function () { return useCaseSensitiveFileNames; }, + getNewLine: function () { return ts.getNewLineCharacter(newSettings, function () { return ts.getNewLineOrDefaultFromHost(host); }); }, + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: ts.noop, + getCurrentDirectory: function () { return currentDirectory; }, + fileExists: fileExists, + readFile: readFile, + getSymlinkCache: ts.maybeBind(host, host.getSymlinkCache), + realpath: ts.maybeBind(host, host.realpath), + directoryExists: function (directoryName) { + return ts.directoryProbablyExists(directoryName, host); + }, + getDirectories: function (path) { + return host.getDirectories ? host.getDirectories(path) : []; + }, + readDirectory: readDirectory, + onReleaseOldSourceFile: onReleaseOldSourceFile, + onReleaseParsedCommandLine: onReleaseParsedCommandLine, + hasInvalidatedResolution: hasInvalidatedResolution, + hasChangedAutomaticTypeDirectiveNames: hasChangedAutomaticTypeDirectiveNames, + trace: parseConfigHost.trace, + resolveModuleNames: ts.maybeBind(host, host.resolveModuleNames), + getModuleResolutionCache: ts.maybeBind(host, host.getModuleResolutionCache), + resolveTypeReferenceDirectives: ts.maybeBind(host, host.resolveTypeReferenceDirectives), + useSourceOfProjectReferenceRedirect: ts.maybeBind(host, host.useSourceOfProjectReferenceRedirect), + getParsedCommandLine: getParsedCommandLine, + }; + (_c = host.setCompilerHost) === null || _c === void 0 ? void 0 : _c.call(host, compilerHost); + var documentRegistryBucketKey = documentRegistry.getKeyForCompilationSettings(newSettings); + var options = { + rootNames: rootFileNames, + options: newSettings, + host: compilerHost, + oldProgram: program, + projectReferences: projectReferences + }; + program = ts.createProgram(options); + // hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point. + // It needs to be cleared to allow all collected snapshots to be released + hostCache = undefined; + parsedCommandLines = undefined; + // We reset this cache on structure invalidation so we don't hold on to outdated files for long; however we can't use the `compilerHost` above, + // Because it only functions until `hostCache` is cleared, while we'll potentially need the functionality to lazily read sourcemap files during + // the course of whatever called `synchronizeHostData` + sourceMapper.clearCache(); + // Make sure all the nodes in the program are both bound, and have their parent + // pointers set property. + program.getTypeChecker(); + return; + function getParsedCommandLine(fileName) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var existing = parsedCommandLines === null || parsedCommandLines === void 0 ? void 0 : parsedCommandLines.get(path); + if (existing !== undefined) + return existing || undefined; + var result = host.getParsedCommandLine ? + host.getParsedCommandLine(fileName) : + getParsedCommandLineOfConfigFileUsingSourceFile(fileName); + (parsedCommandLines || (parsedCommandLines = new ts.Map())).set(path, result || false); + return result; + } + function getParsedCommandLineOfConfigFileUsingSourceFile(configFileName) { + var result = getOrCreateSourceFile(configFileName, 100 /* ScriptTarget.JSON */); + if (!result) + return undefined; + result.path = ts.toPath(configFileName, currentDirectory, getCanonicalFileName); + result.resolvedPath = result.path; + result.originalFileName = result.fileName; + return ts.parseJsonSourceFileConfigFileContent(result, parseConfigHost, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), currentDirectory), + /*optionsToExtend*/ undefined, ts.getNormalizedAbsolutePath(configFileName, currentDirectory)); + } + function onReleaseParsedCommandLine(configFileName, oldResolvedRef, oldOptions) { + var _a; + if (host.getParsedCommandLine) { + (_a = host.onReleaseParsedCommandLine) === null || _a === void 0 ? void 0 : _a.call(host, configFileName, oldResolvedRef, oldOptions); + } + else if (oldResolvedRef) { + onReleaseOldSourceFile(oldResolvedRef.sourceFile, oldOptions); + } + } + function fileExists(fileName) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = hostCache && hostCache.getEntryByPath(path); + return entry ? + !ts.isString(entry) : + (!!host.fileExists && host.fileExists(fileName)); + } + function readFile(fileName) { + // stub missing host functionality + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = hostCache && hostCache.getEntryByPath(path); + if (entry) { + return ts.isString(entry) ? undefined : ts.getSnapshotText(entry.scriptSnapshot); + } + return host.readFile && host.readFile(fileName); + } + function readDirectory(path, extensions, exclude, include, depth) { + ts.Debug.checkDefined(host.readDirectory, "'LanguageServiceHost.readDirectory' must be implemented to correctly process 'projectReferences'"); + return host.readDirectory(path, extensions, exclude, include, depth); + } + // Release any files we have acquired in the old program but are + // not part of the new program. + function onReleaseOldSourceFile(oldSourceFile, oldOptions) { + var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldOptions); + documentRegistry.releaseDocumentWithKey(oldSourceFile.resolvedPath, oldSettingsKey, oldSourceFile.scriptKind); + } + function getOrCreateSourceFile(fileName, languageVersion, onError, shouldCreateNewSourceFile) { + return getOrCreateSourceFileByPath(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), languageVersion, onError, shouldCreateNewSourceFile); + } + function getOrCreateSourceFileByPath(fileName, path, _languageVersion, _onError, shouldCreateNewSourceFile) { + ts.Debug.assert(hostCache !== undefined, "getOrCreateSourceFileByPath called after typical CompilerHost lifetime, check the callstack something with a reference to an old host."); + // The program is asking for this file, check first if the host can locate it. + // If the host can not locate the file, then it does not exist. return undefined + // to the program to allow reporting of errors for missing files. + var hostFileInformation = hostCache && hostCache.getOrCreateEntryByPath(fileName, path); + if (!hostFileInformation) { + return undefined; + } + // Check if the language version has changed since we last created a program; if they are the same, + // it is safe to reuse the sourceFiles; if not, then the shape of the AST can change, and the oldSourceFile + // can not be reused. we have to dump all syntax trees and create new ones. + if (!shouldCreateNewSourceFile) { + // Check if the old program had this file already + var oldSourceFile = program && program.getSourceFileByPath(path); + if (oldSourceFile) { + // We already had a source file for this file name. Go to the registry to + // ensure that we get the right up to date version of it. We need this to + // address the following race-condition. Specifically, say we have the following: + // + // LS1 + // \ + // DocumentRegistry + // / + // LS2 + // + // Each LS has a reference to file 'foo.ts' at version 1. LS2 then updates + // it's version of 'foo.ts' to version 2. This will cause LS2 and the + // DocumentRegistry to have version 2 of the document. However, LS1 will + // have version 1. And *importantly* this source file will be *corrupt*. + // The act of creating version 2 of the file irrevocably damages the version + // 1 file. + // + // So, later when we call into LS1, we need to make sure that it doesn't use + // it's source file any more, and instead defers to DocumentRegistry to get + // either version 1, version 2 (or some other version) depending on what the + // host says should be used. + // We do not support the scenario where a host can modify a registered + // file's script kind, i.e. in one project some file is treated as ".ts" + // and in another as ".js" + if (hostFileInformation.scriptKind === oldSourceFile.scriptKind) { + return documentRegistry.updateDocumentWithKey(fileName, path, host, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); + } + else { + // Release old source file and fall through to aquire new file with new script kind + documentRegistry.releaseDocumentWithKey(oldSourceFile.resolvedPath, documentRegistry.getKeyForCompilationSettings(program.getCompilerOptions()), oldSourceFile.scriptKind); + } + } + // We didn't already have the file. Fall through and acquire it from the registry. + } + // Could not find this file in the old program, create a new SourceFile for it. + return documentRegistry.acquireDocumentWithKey(fileName, path, host, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); + } + } + // TODO: GH#18217 frequently asserted as defined + function getProgram() { + if (languageServiceMode === ts.LanguageServiceMode.Syntactic) { + ts.Debug.assert(program === undefined); + return undefined; + } + synchronizeHostData(); + return program; + } + function getAutoImportProvider() { + var _a; + return (_a = host.getPackageJsonAutoImportProvider) === null || _a === void 0 ? void 0 : _a.call(host); + } + function cleanupSemanticCache() { + program = undefined; // TODO: GH#18217 + } + function dispose() { + if (program) { + // Use paths to ensure we are using correct key and paths as document registry could be created with different current directory than host + var key_1 = documentRegistry.getKeyForCompilationSettings(program.getCompilerOptions()); + ts.forEach(program.getSourceFiles(), function (f) { + return documentRegistry.releaseDocumentWithKey(f.resolvedPath, key_1, f.scriptKind); + }); + program = undefined; // TODO: GH#18217 + } + host = undefined; + } + /// Diagnostics + function getSyntacticDiagnostics(fileName) { + synchronizeHostData(); + return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken).slice(); + } + /** + * getSemanticDiagnostics return array of Diagnostics. If '-d' is not enabled, only report semantic errors + * If '-d' enabled, report both semantic and emitter errors + */ + function getSemanticDiagnostics(fileName) { + synchronizeHostData(); + var targetSourceFile = getValidSourceFile(fileName); + // Only perform the action per file regardless of '-out' flag as LanguageServiceHost is expected to call this function per file. + // Therefore only get diagnostics for given file. + var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); + if (!ts.getEmitDeclarations(program.getCompilerOptions())) { + return semanticDiagnostics.slice(); + } + // If '-d' is enabled, check for emitter error. One example of emitter error is export class implements non-export interface + var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); + return __spreadArray(__spreadArray([], semanticDiagnostics, true), declarationDiagnostics, true); + } + function getSuggestionDiagnostics(fileName) { + synchronizeHostData(); + return ts.computeSuggestionDiagnostics(getValidSourceFile(fileName), program, cancellationToken); + } + function getCompilerOptionsDiagnostics() { + synchronizeHostData(); + return __spreadArray(__spreadArray([], program.getOptionsDiagnostics(cancellationToken), true), program.getGlobalDiagnostics(cancellationToken), true); + } + function getCompletionsAtPosition(fileName, position, options, formattingSettings) { + if (options === void 0) { options = ts.emptyOptions; } + // Convert from deprecated options names to new names + var fullPreferences = __assign(__assign({}, ts.identity(options)), { includeCompletionsForModuleExports: options.includeCompletionsForModuleExports || options.includeExternalModuleExports, includeCompletionsWithInsertText: options.includeCompletionsWithInsertText || options.includeInsertTextCompletions }); + synchronizeHostData(); + return ts.Completions.getCompletionsAtPosition(host, program, log, getValidSourceFile(fileName), position, fullPreferences, options.triggerCharacter, options.triggerKind, cancellationToken, formattingSettings && ts.formatting.getFormatContext(formattingSettings, host)); + } + function getCompletionEntryDetails(fileName, position, name, formattingOptions, source, preferences, data) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + return ts.Completions.getCompletionEntryDetails(program, log, getValidSourceFile(fileName), position, { name: name, source: source, data: data }, host, (formattingOptions && ts.formatting.getFormatContext(formattingOptions, host)), // TODO: GH#18217 + preferences, cancellationToken); + } + function getCompletionEntrySymbol(fileName, position, name, source, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + return ts.Completions.getCompletionEntrySymbol(program, log, getValidSourceFile(fileName), position, { name: name, source: source }, host, preferences); + } + function getQuickInfoAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { + // Avoid giving quickInfo for the sourceFile as a whole. + return undefined; + } + var typeChecker = program.getTypeChecker(); + var nodeForQuickInfo = getNodeForQuickInfo(node); + var symbol = getSymbolAtLocationForQuickInfo(nodeForQuickInfo, typeChecker); + if (!symbol || typeChecker.isUnknownSymbol(symbol)) { + var type_2 = shouldGetType(sourceFile, nodeForQuickInfo, position) ? typeChecker.getTypeAtLocation(nodeForQuickInfo) : undefined; + return type_2 && { + kind: "" /* ScriptElementKind.unknown */, + kindModifiers: "" /* ScriptElementKindModifier.none */, + textSpan: ts.createTextSpanFromNode(nodeForQuickInfo, sourceFile), + displayParts: typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) { return ts.typeToDisplayParts(typeChecker, type_2, ts.getContainerNode(nodeForQuickInfo)); }), + documentation: type_2.symbol ? type_2.symbol.getDocumentationComment(typeChecker) : undefined, + tags: type_2.symbol ? type_2.symbol.getJsDocTags(typeChecker) : undefined + }; + } + var _a = typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) { + return ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, ts.getContainerNode(nodeForQuickInfo), nodeForQuickInfo); + }), symbolKind = _a.symbolKind, displayParts = _a.displayParts, documentation = _a.documentation, tags = _a.tags; + return { + kind: symbolKind, + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(typeChecker, symbol), + textSpan: ts.createTextSpanFromNode(nodeForQuickInfo, sourceFile), + displayParts: displayParts, + documentation: documentation, + tags: tags, + }; + } + function getNodeForQuickInfo(node) { + if (ts.isNewExpression(node.parent) && node.pos === node.parent.pos) { + return node.parent.expression; + } + if (ts.isNamedTupleMember(node.parent) && node.pos === node.parent.pos) { + return node.parent; + } + if (ts.isImportMeta(node.parent) && node.parent.name === node) { + return node.parent; + } + return node; + } + function shouldGetType(sourceFile, node, position) { + switch (node.kind) { + case 79 /* SyntaxKind.Identifier */: + return !ts.isLabelName(node) && !ts.isTagName(node) && !ts.isConstTypeReference(node.parent); + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 161 /* SyntaxKind.QualifiedName */: + // Don't return quickInfo if inside the comment in `a/**/.b` + return !ts.isInComment(sourceFile, position); + case 108 /* SyntaxKind.ThisKeyword */: + case 192 /* SyntaxKind.ThisType */: + case 106 /* SyntaxKind.SuperKeyword */: + case 197 /* SyntaxKind.NamedTupleMember */: + return true; + case 231 /* SyntaxKind.MetaProperty */: + return ts.isImportMeta(node); + default: + return false; + } + } + /// Goto definition + function getDefinitionAtPosition(fileName, position, searchOtherFilesOnly, stopAtAlias) { + synchronizeHostData(); + return ts.GoToDefinition.getDefinitionAtPosition(program, getValidSourceFile(fileName), position, searchOtherFilesOnly, stopAtAlias); + } + function getDefinitionAndBoundSpan(fileName, position) { + synchronizeHostData(); + return ts.GoToDefinition.getDefinitionAndBoundSpan(program, getValidSourceFile(fileName), position); + } + function getTypeDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToDefinition.getTypeDefinitionAtPosition(program.getTypeChecker(), getValidSourceFile(fileName), position); + } + /// Goto implementation + function getImplementationAtPosition(fileName, position) { + synchronizeHostData(); + return ts.FindAllReferences.getImplementationsAtPosition(program, cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position); + } + /// References and Occurrences + function getOccurrencesAtPosition(fileName, position) { + return ts.flatMap(getDocumentHighlights(fileName, position, [fileName]), function (entry) { return entry.highlightSpans.map(function (highlightSpan) { return (__assign(__assign({ fileName: entry.fileName, textSpan: highlightSpan.textSpan, isWriteAccess: highlightSpan.kind === "writtenReference" /* HighlightSpanKind.writtenReference */ }, highlightSpan.isInString && { isInString: true }), highlightSpan.contextSpan && { contextSpan: highlightSpan.contextSpan })); }); }); + } + function getDocumentHighlights(fileName, position, filesToSearch) { + var normalizedFileName = ts.normalizePath(fileName); + ts.Debug.assert(filesToSearch.some(function (f) { return ts.normalizePath(f) === normalizedFileName; })); + synchronizeHostData(); + var sourceFilesToSearch = ts.mapDefined(filesToSearch, function (fileName) { return program.getSourceFile(fileName); }); + var sourceFile = getValidSourceFile(fileName); + return ts.DocumentHighlights.getDocumentHighlights(program, cancellationToken, sourceFile, position, sourceFilesToSearch); + } + function findRenameLocations(fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getAdjustedRenameLocation(ts.getTouchingPropertyName(sourceFile, position)); + if (!ts.Rename.nodeIsEligibleForRename(node)) + return undefined; + if (ts.isIdentifier(node) && (ts.isJsxOpeningElement(node.parent) || ts.isJsxClosingElement(node.parent)) && ts.isIntrinsicJsxName(node.escapedText)) { + var _a = node.parent.parent, openingElement = _a.openingElement, closingElement = _a.closingElement; + return [openingElement, closingElement].map(function (node) { + var textSpan = ts.createTextSpanFromNode(node.tagName, sourceFile); + return __assign({ fileName: sourceFile.fileName, textSpan: textSpan }, ts.FindAllReferences.toContextSpan(textSpan, sourceFile, node.parent)); + }); + } + else { + return getReferencesWorker(node, position, { findInStrings: findInStrings, findInComments: findInComments, providePrefixAndSuffixTextForRename: providePrefixAndSuffixTextForRename, use: 2 /* FindAllReferences.FindReferencesUse.Rename */ }, function (entry, originalNode, checker) { return ts.FindAllReferences.toRenameLocation(entry, originalNode, checker, providePrefixAndSuffixTextForRename || false); }); + } + } + function getReferencesAtPosition(fileName, position) { + synchronizeHostData(); + return getReferencesWorker(ts.getTouchingPropertyName(getValidSourceFile(fileName), position), position, { use: 1 /* FindAllReferences.FindReferencesUse.References */ }, ts.FindAllReferences.toReferenceEntry); + } + function getReferencesWorker(node, position, options, cb) { + synchronizeHostData(); + // Exclude default library when renaming as commonly user don't want to change that file. + var sourceFiles = options && options.use === 2 /* FindAllReferences.FindReferencesUse.Rename */ + ? program.getSourceFiles().filter(function (sourceFile) { return !program.isSourceFileDefaultLibrary(sourceFile); }) + : program.getSourceFiles(); + return ts.FindAllReferences.findReferenceOrRenameEntries(program, cancellationToken, sourceFiles, node, position, options, cb); + } + function findReferences(fileName, position) { + synchronizeHostData(); + return ts.FindAllReferences.findReferencedSymbols(program, cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position); + } + function getFileReferences(fileName) { + synchronizeHostData(); + return ts.FindAllReferences.Core.getReferencesForFileName(fileName, program, program.getSourceFiles()).map(ts.FindAllReferences.toReferenceEntry); + } + function getNavigateToItems(searchValue, maxResultCount, fileName, excludeDtsFiles) { + if (excludeDtsFiles === void 0) { excludeDtsFiles = false; } + synchronizeHostData(); + var sourceFiles = fileName ? [getValidSourceFile(fileName)] : program.getSourceFiles(); + return ts.NavigateTo.getNavigateToItems(sourceFiles, program.getTypeChecker(), cancellationToken, searchValue, maxResultCount, excludeDtsFiles); + } + function getEmitOutput(fileName, emitOnlyDtsFiles, forceDtsEmit) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var customTransformers = host.getCustomTransformers && host.getCustomTransformers(); + return ts.getFileEmitOutput(program, sourceFile, !!emitOnlyDtsFiles, cancellationToken, customTransformers, forceDtsEmit); + } + // Signature help + /** + * This is a semantic operation. + */ + function getSignatureHelpItems(fileName, position, _a) { + var _b = _a === void 0 ? ts.emptyOptions : _a, triggerReason = _b.triggerReason; + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, triggerReason, cancellationToken); + } + /// Syntactic features + function getNonBoundSourceFile(fileName) { + return syntaxTreeCache.getCurrentSourceFile(fileName); + } + function getNameOrDottedNameSpan(fileName, startPos, _endPos) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + // Get node at the location + var node = ts.getTouchingPropertyName(sourceFile, startPos); + if (node === sourceFile) { + return undefined; + } + switch (node.kind) { + case 206 /* SyntaxKind.PropertyAccessExpression */: + case 161 /* SyntaxKind.QualifiedName */: + case 10 /* SyntaxKind.StringLiteral */: + case 95 /* SyntaxKind.FalseKeyword */: + case 110 /* SyntaxKind.TrueKeyword */: + case 104 /* SyntaxKind.NullKeyword */: + case 106 /* SyntaxKind.SuperKeyword */: + case 108 /* SyntaxKind.ThisKeyword */: + case 192 /* SyntaxKind.ThisType */: + case 79 /* SyntaxKind.Identifier */: + break; + // Cant create the text span + default: + return undefined; + } + var nodeForStartPos = node; + while (true) { + if (ts.isRightSideOfPropertyAccess(nodeForStartPos) || ts.isRightSideOfQualifiedName(nodeForStartPos)) { + // If on the span is in right side of the the property or qualified name, return the span from the qualified name pos to end of this node + nodeForStartPos = nodeForStartPos.parent; + } + else if (ts.isNameOfModuleDeclaration(nodeForStartPos)) { + // If this is name of a module declarations, check if this is right side of dotted module name + // If parent of the module declaration which is parent of this node is module declaration and its body is the module declaration that this node is name of + // Then this name is name from dotted module + if (nodeForStartPos.parent.parent.kind === 261 /* SyntaxKind.ModuleDeclaration */ && + nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { + // Use parent module declarations name for start pos + nodeForStartPos = nodeForStartPos.parent.parent.name; + } + else { + // We have to use this name for start pos + break; + } + } + else { + // Is not a member expression so we have found the node for start pos + break; + } + } + return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); + } + function getBreakpointStatementAtPosition(fileName, position) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); + } + function getNavigationBarItems(fileName) { + return ts.NavigationBar.getNavigationBarItems(syntaxTreeCache.getCurrentSourceFile(fileName), cancellationToken); + } + function getNavigationTree(fileName) { + return ts.NavigationBar.getNavigationTree(syntaxTreeCache.getCurrentSourceFile(fileName), cancellationToken); + } + function getSemanticClassifications(fileName, span, format) { + synchronizeHostData(); + var responseFormat = format || "original" /* SemanticClassificationFormat.Original */; + if (responseFormat === "2020" /* SemanticClassificationFormat.TwentyTwenty */) { + return ts.classifier.v2020.getSemanticClassifications(program, cancellationToken, getValidSourceFile(fileName), span); + } + else { + return ts.getSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); + } + } + function getEncodedSemanticClassifications(fileName, span, format) { + synchronizeHostData(); + var responseFormat = format || "original" /* SemanticClassificationFormat.Original */; + if (responseFormat === "original" /* SemanticClassificationFormat.Original */) { + return ts.getEncodedSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); + } + else { + return ts.classifier.v2020.getEncodedSemanticClassifications(program, cancellationToken, getValidSourceFile(fileName), span); + } + } + function getSyntacticClassifications(fileName, span) { + // doesn't use compiler - no need to synchronize with host + return ts.getSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); + } + function getEncodedSyntacticClassifications(fileName, span) { + // doesn't use compiler - no need to synchronize with host + return ts.getEncodedSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); + } + function getOutliningSpans(fileName) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.OutliningElementsCollector.collectElements(sourceFile, cancellationToken); + } + var braceMatching = new ts.Map(ts.getEntries((_a = {}, + _a[18 /* SyntaxKind.OpenBraceToken */] = 19 /* SyntaxKind.CloseBraceToken */, + _a[20 /* SyntaxKind.OpenParenToken */] = 21 /* SyntaxKind.CloseParenToken */, + _a[22 /* SyntaxKind.OpenBracketToken */] = 23 /* SyntaxKind.CloseBracketToken */, + _a[31 /* SyntaxKind.GreaterThanToken */] = 29 /* SyntaxKind.LessThanToken */, + _a))); + braceMatching.forEach(function (value, key) { return braceMatching.set(value.toString(), Number(key)); }); + function getBraceMatchingAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var token = ts.getTouchingToken(sourceFile, position); + var matchKind = token.getStart(sourceFile) === position ? braceMatching.get(token.kind.toString()) : undefined; + var match = matchKind && ts.findChildOfKind(token.parent, matchKind, sourceFile); + // We want to order the braces when we return the result. + return match ? [ts.createTextSpanFromNode(token, sourceFile), ts.createTextSpanFromNode(match, sourceFile)].sort(function (a, b) { return a.start - b.start; }) : ts.emptyArray; + } + function getIndentationAtPosition(fileName, position, editorOptions) { + var start = ts.timestamp(); + var settings = toEditorSettings(editorOptions); + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + log("getIndentationAtPosition: getCurrentSourceFile: " + (ts.timestamp() - start)); + start = ts.timestamp(); + var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, settings); + log("getIndentationAtPosition: computeIndentation : " + (ts.timestamp() - start)); + return result; + } + function getFormattingEditsForRange(fileName, start, end, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatSelection(start, end, sourceFile, ts.formatting.getFormatContext(toEditorSettings(options), host)); + } + function getFormattingEditsForDocument(fileName, options) { + return ts.formatting.formatDocument(syntaxTreeCache.getCurrentSourceFile(fileName), ts.formatting.getFormatContext(toEditorSettings(options), host)); + } + function getFormattingEditsAfterKeystroke(fileName, position, key, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var formatContext = ts.formatting.getFormatContext(toEditorSettings(options), host); + if (!ts.isInComment(sourceFile, position)) { + switch (key) { + case "{": + return ts.formatting.formatOnOpeningCurly(position, sourceFile, formatContext); + case "}": + return ts.formatting.formatOnClosingCurly(position, sourceFile, formatContext); + case ";": + return ts.formatting.formatOnSemicolon(position, sourceFile, formatContext); + case "\n": + return ts.formatting.formatOnEnter(position, sourceFile, formatContext); + } + } + return []; + } + function getCodeFixesAtPosition(fileName, start, end, errorCodes, formatOptions, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var span = ts.createTextSpanFromBounds(start, end); + var formatContext = ts.formatting.getFormatContext(formatOptions, host); + return ts.flatMap(ts.deduplicate(errorCodes, ts.equateValues, ts.compareValues), function (errorCode) { + cancellationToken.throwIfCancellationRequested(); + return ts.codefix.getFixes({ errorCode: errorCode, sourceFile: sourceFile, span: span, program: program, host: host, cancellationToken: cancellationToken, formatContext: formatContext, preferences: preferences }); + }); + } + function getCombinedCodeFix(scope, fixId, formatOptions, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + ts.Debug.assert(scope.type === "file"); + var sourceFile = getValidSourceFile(scope.fileName); + var formatContext = ts.formatting.getFormatContext(formatOptions, host); + return ts.codefix.getAllFixes({ fixId: fixId, sourceFile: sourceFile, program: program, host: host, cancellationToken: cancellationToken, formatContext: formatContext, preferences: preferences }); + } + function organizeImports(args, formatOptions, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + ts.Debug.assert(args.type === "file"); + var sourceFile = getValidSourceFile(args.fileName); + var formatContext = ts.formatting.getFormatContext(formatOptions, host); + return ts.OrganizeImports.organizeImports(sourceFile, formatContext, host, program, preferences, args.skipDestructiveCodeActions); + } + function getEditsForFileRename(oldFilePath, newFilePath, formatOptions, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + return ts.getEditsForFileRename(getProgram(), oldFilePath, newFilePath, host, ts.formatting.getFormatContext(formatOptions, host), preferences, sourceMapper); + } + function applyCodeActionCommand(fileName, actionOrFormatSettingsOrUndefined) { + var action = typeof fileName === "string" ? actionOrFormatSettingsOrUndefined : fileName; + return ts.isArray(action) ? Promise.all(action.map(function (a) { return applySingleCodeActionCommand(a); })) : applySingleCodeActionCommand(action); + } + function applySingleCodeActionCommand(action) { + var getPath = function (path) { return ts.toPath(path, currentDirectory, getCanonicalFileName); }; + ts.Debug.assertEqual(action.type, "install package"); + return host.installPackage + ? host.installPackage({ fileName: getPath(action.file), packageName: action.packageName }) + : Promise.reject("Host does not implement `installPackage`"); + } + function getDocCommentTemplateAtPosition(fileName, position, options) { + return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position, options); + } + function isValidBraceCompletionAtPosition(fileName, position, openingBrace) { + // '<' is currently not supported, figuring out if we're in a Generic Type vs. a comparison is too + // expensive to do during typing scenarios + // i.e. whether we're dealing with: + // var x = new foo<| ( with class foo{} ) + // or + // var y = 3 <| + if (openingBrace === 60 /* CharacterCodes.lessThan */) { + return false; + } + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + // Check if in a context where we don't want to perform any insertion + if (ts.isInString(sourceFile, position)) { + return false; + } + if (ts.isInsideJsxElementOrAttribute(sourceFile, position)) { + return openingBrace === 123 /* CharacterCodes.openBrace */; + } + if (ts.isInTemplateString(sourceFile, position)) { + return false; + } + switch (openingBrace) { + case 39 /* CharacterCodes.singleQuote */: + case 34 /* CharacterCodes.doubleQuote */: + case 96 /* CharacterCodes.backtick */: + return !ts.isInComment(sourceFile, position); + } + return true; + } + function getJsxClosingTagAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var token = ts.findPrecedingToken(position, sourceFile); + if (!token) + return undefined; + var element = token.kind === 31 /* SyntaxKind.GreaterThanToken */ && ts.isJsxOpeningElement(token.parent) ? token.parent.parent + : ts.isJsxText(token) && ts.isJsxElement(token.parent) ? token.parent : undefined; + if (element && isUnclosedTag(element)) { + return { newText: "") }; + } + var fragment = token.kind === 31 /* SyntaxKind.GreaterThanToken */ && ts.isJsxOpeningFragment(token.parent) ? token.parent.parent + : ts.isJsxText(token) && ts.isJsxFragment(token.parent) ? token.parent : undefined; + if (fragment && isUnclosedFragment(fragment)) { + return { newText: "" }; + } + } + function getLinesForRange(sourceFile, textRange) { + return { + lineStarts: sourceFile.getLineStarts(), + firstLine: sourceFile.getLineAndCharacterOfPosition(textRange.pos).line, + lastLine: sourceFile.getLineAndCharacterOfPosition(textRange.end).line + }; + } + function toggleLineComment(fileName, textRange, insertComment) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var textChanges = []; + var _a = getLinesForRange(sourceFile, textRange), lineStarts = _a.lineStarts, firstLine = _a.firstLine, lastLine = _a.lastLine; + var isCommenting = insertComment || false; + var leftMostPosition = Number.MAX_VALUE; + var lineTextStarts = new ts.Map(); + var firstNonWhitespaceCharacterRegex = new RegExp(/\S/); + var isJsx = ts.isInsideJsxElement(sourceFile, lineStarts[firstLine]); + var openComment = isJsx ? "{/*" : "//"; + // Check each line before any text changes. + for (var i = firstLine; i <= lastLine; i++) { + var lineText = sourceFile.text.substring(lineStarts[i], sourceFile.getLineEndOfPosition(lineStarts[i])); + // Find the start of text and the left-most character. No-op on empty lines. + var regExec = firstNonWhitespaceCharacterRegex.exec(lineText); + if (regExec) { + leftMostPosition = Math.min(leftMostPosition, regExec.index); + lineTextStarts.set(i.toString(), regExec.index); + if (lineText.substr(regExec.index, openComment.length) !== openComment) { + isCommenting = insertComment === undefined || insertComment; + } + } + } + // Push all text changes. + for (var i = firstLine; i <= lastLine; i++) { + // If the range is multiline and ends on a beginning of a line, don't comment/uncomment. + if (firstLine !== lastLine && lineStarts[i] === textRange.end) { + continue; + } + var lineTextStart = lineTextStarts.get(i.toString()); + // If the line is not an empty line; otherwise no-op. + if (lineTextStart !== undefined) { + if (isJsx) { + textChanges.push.apply(textChanges, toggleMultilineComment(fileName, { pos: lineStarts[i] + leftMostPosition, end: sourceFile.getLineEndOfPosition(lineStarts[i]) }, isCommenting, isJsx)); + } + else if (isCommenting) { + textChanges.push({ + newText: openComment, + span: { + length: 0, + start: lineStarts[i] + leftMostPosition + } + }); + } + else if (sourceFile.text.substr(lineStarts[i] + lineTextStart, openComment.length) === openComment) { + textChanges.push({ + newText: "", + span: { + length: openComment.length, + start: lineStarts[i] + lineTextStart + } + }); + } + } + } + return textChanges; + } + function toggleMultilineComment(fileName, textRange, insertComment, isInsideJsx) { + var _a; + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var textChanges = []; + var text = sourceFile.text; + var hasComment = false; + var isCommenting = insertComment || false; + var positions = []; + var pos = textRange.pos; + var isJsx = isInsideJsx !== undefined ? isInsideJsx : ts.isInsideJsxElement(sourceFile, pos); + var openMultiline = isJsx ? "{/*" : "/*"; + var closeMultiline = isJsx ? "*/}" : "*/"; + var openMultilineRegex = isJsx ? "\\{\\/\\*" : "\\/\\*"; + var closeMultilineRegex = isJsx ? "\\*\\/\\}" : "\\*\\/"; + // Get all comment positions + while (pos <= textRange.end) { + // Start of comment is considered inside comment. + var offset = text.substr(pos, openMultiline.length) === openMultiline ? openMultiline.length : 0; + var commentRange = ts.isInComment(sourceFile, pos + offset); + // If position is in a comment add it to the positions array. + if (commentRange) { + // Comment range doesn't include the brace character. Increase it to include them. + if (isJsx) { + commentRange.pos--; + commentRange.end++; + } + positions.push(commentRange.pos); + if (commentRange.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) { + positions.push(commentRange.end); + } + hasComment = true; + pos = commentRange.end + 1; + } + else { // If it's not in a comment range, then we need to comment the uncommented portions. + var newPos = text.substring(pos, textRange.end).search("(".concat(openMultilineRegex, ")|(").concat(closeMultilineRegex, ")")); + isCommenting = insertComment !== undefined + ? insertComment + : isCommenting || !ts.isTextWhiteSpaceLike(text, pos, newPos === -1 ? textRange.end : pos + newPos); // If isCommenting is already true we don't need to check whitespace again. + pos = newPos === -1 ? textRange.end + 1 : pos + newPos + closeMultiline.length; + } + } + // If it didn't found a comment and isCommenting is false means is only empty space. + // We want to insert comment in this scenario. + if (isCommenting || !hasComment) { + if (((_a = ts.isInComment(sourceFile, textRange.pos)) === null || _a === void 0 ? void 0 : _a.kind) !== 2 /* SyntaxKind.SingleLineCommentTrivia */) { + ts.insertSorted(positions, textRange.pos, ts.compareValues); + } + ts.insertSorted(positions, textRange.end, ts.compareValues); + // Insert open comment if the first position is not a comment already. + var firstPos = positions[0]; + if (text.substr(firstPos, openMultiline.length) !== openMultiline) { + textChanges.push({ + newText: openMultiline, + span: { + length: 0, + start: firstPos + } + }); + } + // Insert open and close comment to all positions between first and last. Exclusive. + for (var i = 1; i < positions.length - 1; i++) { + if (text.substr(positions[i] - closeMultiline.length, closeMultiline.length) !== closeMultiline) { + textChanges.push({ + newText: closeMultiline, + span: { + length: 0, + start: positions[i] + } + }); + } + if (text.substr(positions[i], openMultiline.length) !== openMultiline) { + textChanges.push({ + newText: openMultiline, + span: { + length: 0, + start: positions[i] + } + }); + } + } + // Insert open comment if the last position is not a comment already. + if (textChanges.length % 2 !== 0) { + textChanges.push({ + newText: closeMultiline, + span: { + length: 0, + start: positions[positions.length - 1] + } + }); + } + } + else { + // If is not commenting then remove all comments found. + for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) { + var pos_2 = positions_1[_i]; + var from = pos_2 - closeMultiline.length > 0 ? pos_2 - closeMultiline.length : 0; + var offset = text.substr(from, closeMultiline.length) === closeMultiline ? closeMultiline.length : 0; + textChanges.push({ + newText: "", + span: { + length: openMultiline.length, + start: pos_2 - offset + } + }); + } + } + return textChanges; + } + function commentSelection(fileName, textRange) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var _a = getLinesForRange(sourceFile, textRange), firstLine = _a.firstLine, lastLine = _a.lastLine; + // If there is a selection that is on the same line, add multiline. + return firstLine === lastLine && textRange.pos !== textRange.end + ? toggleMultilineComment(fileName, textRange, /*insertComment*/ true) + : toggleLineComment(fileName, textRange, /*insertComment*/ true); + } + function uncommentSelection(fileName, textRange) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var textChanges = []; + var pos = textRange.pos; + var end = textRange.end; + // If cursor is not a selection we need to increase the end position + // to include the start of the comment. + if (pos === end) { + end += ts.isInsideJsxElement(sourceFile, pos) ? 2 : 1; + } + for (var i = pos; i <= end; i++) { + var commentRange = ts.isInComment(sourceFile, i); + if (commentRange) { + switch (commentRange.kind) { + case 2 /* SyntaxKind.SingleLineCommentTrivia */: + textChanges.push.apply(textChanges, toggleLineComment(fileName, { end: commentRange.end, pos: commentRange.pos + 1 }, /*insertComment*/ false)); + break; + case 3 /* SyntaxKind.MultiLineCommentTrivia */: + textChanges.push.apply(textChanges, toggleMultilineComment(fileName, { end: commentRange.end, pos: commentRange.pos + 1 }, /*insertComment*/ false)); + } + i = commentRange.end + 1; + } + } + return textChanges; + } + function isUnclosedTag(_a) { + var openingElement = _a.openingElement, closingElement = _a.closingElement, parent = _a.parent; + return !ts.tagNamesAreEquivalent(openingElement.tagName, closingElement.tagName) || + ts.isJsxElement(parent) && ts.tagNamesAreEquivalent(openingElement.tagName, parent.openingElement.tagName) && isUnclosedTag(parent); + } + function isUnclosedFragment(_a) { + var closingFragment = _a.closingFragment, parent = _a.parent; + return !!(closingFragment.flags & 131072 /* NodeFlags.ThisNodeHasError */) || (ts.isJsxFragment(parent) && isUnclosedFragment(parent)); + } + function getSpanOfEnclosingComment(fileName, position, onlyMultiLine) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var range = ts.formatting.getRangeOfEnclosingComment(sourceFile, position); + return range && (!onlyMultiLine || range.kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) ? ts.createTextSpanFromRange(range) : undefined; + } + function getTodoComments(fileName, descriptors) { + // Note: while getting todo comments seems like a syntactic operation, we actually + // treat it as a semantic operation here. This is because we expect our host to call + // this on every single file. If we treat this syntactically, then that will cause + // us to populate and throw away the tree in our syntax tree cache for each file. By + // treating this as a semantic operation, we can access any tree without throwing + // anything away. + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + cancellationToken.throwIfCancellationRequested(); + var fileContents = sourceFile.text; + var result = []; + // Exclude node_modules files as we don't want to show the todos of external libraries. + if (descriptors.length > 0 && !isNodeModulesFile(sourceFile.fileName)) { + var regExp = getTodoCommentsRegExp(); + var matchArray = void 0; + while (matchArray = regExp.exec(fileContents)) { + cancellationToken.throwIfCancellationRequested(); + // If we got a match, here is what the match array will look like. Say the source text is: + // + // " // hack 1" + // + // The result array with the regexp: will be: + // + // ["// hack 1", "// ", "hack 1", undefined, "hack"] + // + // Here are the relevant capture groups: + // 0) The full match for the entire regexp. + // 1) The preamble to the message portion. + // 2) The message portion. + // 3...N) The descriptor that was matched - by index. 'undefined' for each + // descriptor that didn't match. an actual value if it did match. + // + // i.e. 'undefined' in position 3 above means TODO(jason) didn't match. + // "hack" in position 4 means HACK did match. + var firstDescriptorCaptureIndex = 3; + ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); + var preamble = matchArray[1]; + var matchPosition = matchArray.index + preamble.length; + // OK, we have found a match in the file. This is only an acceptable match if + // it is contained within a comment. + if (!ts.isInComment(sourceFile, matchPosition)) { + continue; + } + var descriptor = void 0; + for (var i = 0; i < descriptors.length; i++) { + if (matchArray[i + firstDescriptorCaptureIndex]) { + descriptor = descriptors[i]; + } + } + if (descriptor === undefined) + return ts.Debug.fail(); + // We don't want to match something like 'TODOBY', so we make sure a non + // letter/digit follows the match. + if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { + continue; + } + var message = matchArray[2]; + result.push({ descriptor: descriptor, message: message, position: matchPosition }); + } + } + return result; + function escapeRegExp(str) { + return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + } + function getTodoCommentsRegExp() { + // NOTE: `?:` means 'non-capture group'. It allows us to have groups without having to + // filter them out later in the final result array. + // TODO comments can appear in one of the following forms: + // + // 1) // TODO or /////////// TODO + // + // 2) /* TODO or /********** TODO + // + // 3) /* + // * TODO + // */ + // + // The following three regexps are used to match the start of the text up to the TODO + // comment portion. + var singleLineCommentStart = /(?:\/\/+\s*)/.source; + var multiLineCommentStart = /(?:\/\*+\s*)/.source; + var anyNumberOfSpacesAndAsterisksAtStartOfLine = /(?:^(?:\s|\*)*)/.source; + // Match any of the above three TODO comment start regexps. + // Note that the outermost group *is* a capture group. We want to capture the preamble + // so that we can determine the starting position of the TODO comment match. + var preamble = "(" + anyNumberOfSpacesAndAsterisksAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; + // Takes the descriptors and forms a regexp that matches them as if they were literals. + // For example, if the descriptors are "TODO(jason)" and "HACK", then this will be: + // + // (?:(TODO\(jason\))|(HACK)) + // + // Note that the outermost group is *not* a capture group, but the innermost groups + // *are* capture groups. By capturing the inner literals we can determine after + // matching which descriptor we are dealing with. + var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; + // After matching a descriptor literal, the following regexp matches the rest of the + // text up to the end of the line (or */). + var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; + var messageRemainder = /(?:.*?)/.source; + // This is the portion of the match we'll return as part of the TODO comment result. We + // match the literal portion up to the end of the line or end of comment. + var messagePortion = "(" + literals + messageRemainder + ")"; + var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; + // The final regexp will look like this: + // /((?:\/\/+\s*)|(?:\/\*+\s*)|(?:^(?:\s|\*)*))((?:(TODO\(jason\))|(HACK))(?:.*?))(?:$|\*\/)/gim + // The flags of the regexp are important here. + // 'g' is so that we are doing a global search and can find matches several times + // in the input. + // + // 'i' is for case insensitivity (We do this to match C# TODO comment code). + // + // 'm' is so we can find matches in a multi-line input. + return new RegExp(regExpString, "gim"); + } + function isLetterOrDigit(char) { + return (char >= 97 /* CharacterCodes.a */ && char <= 122 /* CharacterCodes.z */) || + (char >= 65 /* CharacterCodes.A */ && char <= 90 /* CharacterCodes.Z */) || + (char >= 48 /* CharacterCodes._0 */ && char <= 57 /* CharacterCodes._9 */); + } + function isNodeModulesFile(path) { + return ts.stringContains(path, "/node_modules/"); + } + } + function getRenameInfo(fileName, position, options) { + synchronizeHostData(); + return ts.Rename.getRenameInfo(program, getValidSourceFile(fileName), position, options); + } + function getRefactorContext(file, positionOrRange, preferences, formatOptions, triggerReason, kind) { + var _a = typeof positionOrRange === "number" ? [positionOrRange, undefined] : [positionOrRange.pos, positionOrRange.end], startPosition = _a[0], endPosition = _a[1]; + return { + file: file, + startPosition: startPosition, + endPosition: endPosition, + program: getProgram(), + host: host, + formatContext: ts.formatting.getFormatContext(formatOptions, host), + cancellationToken: cancellationToken, + preferences: preferences, + triggerReason: triggerReason, + kind: kind + }; + } + function getInlayHintsContext(file, span, preferences) { + return { + file: file, + program: getProgram(), + host: host, + span: span, + preferences: preferences, + cancellationToken: cancellationToken, + }; + } + function getSmartSelectionRange(fileName, position) { + return ts.SmartSelectionRange.getSmartSelectionRange(position, syntaxTreeCache.getCurrentSourceFile(fileName)); + } + function getApplicableRefactors(fileName, positionOrRange, preferences, triggerReason, kind) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + var file = getValidSourceFile(fileName); + return ts.refactor.getApplicableRefactors(getRefactorContext(file, positionOrRange, preferences, ts.emptyOptions, triggerReason, kind)); + } + function getEditsForRefactor(fileName, formatOptions, positionOrRange, refactorName, actionName, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + var file = getValidSourceFile(fileName); + return ts.refactor.getEditsForRefactor(getRefactorContext(file, positionOrRange, preferences, formatOptions), refactorName, actionName); + } + function toLineColumnOffset(fileName, position) { + // Go to Definition supports returning a zero-length span at position 0 for + // non-existent files. We need to special-case the conversion of position 0 + // to avoid a crash trying to get the text for that file, since this function + // otherwise assumes that 'fileName' is the name of a file that exists. + if (position === 0) { + return { line: 0, character: 0 }; + } + return sourceMapper.toLineColumnOffset(fileName, position); + } + function prepareCallHierarchy(fileName, position) { + synchronizeHostData(); + var declarations = ts.CallHierarchy.resolveCallHierarchyDeclaration(program, ts.getTouchingPropertyName(getValidSourceFile(fileName), position)); + return declarations && ts.mapOneOrMany(declarations, function (declaration) { return ts.CallHierarchy.createCallHierarchyItem(program, declaration); }); + } + function provideCallHierarchyIncomingCalls(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var declaration = ts.firstOrOnly(ts.CallHierarchy.resolveCallHierarchyDeclaration(program, position === 0 ? sourceFile : ts.getTouchingPropertyName(sourceFile, position))); + return declaration ? ts.CallHierarchy.getIncomingCalls(program, declaration, cancellationToken) : []; + } + function provideCallHierarchyOutgoingCalls(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var declaration = ts.firstOrOnly(ts.CallHierarchy.resolveCallHierarchyDeclaration(program, position === 0 ? sourceFile : ts.getTouchingPropertyName(sourceFile, position))); + return declaration ? ts.CallHierarchy.getOutgoingCalls(program, declaration) : []; + } + function provideInlayHints(fileName, span, preferences) { + if (preferences === void 0) { preferences = ts.emptyOptions; } + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.InlayHints.provideInlayHints(getInlayHintsContext(sourceFile, span, preferences)); + } + var ls = { + dispose: dispose, + cleanupSemanticCache: cleanupSemanticCache, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getSuggestionDiagnostics: getSuggestionDiagnostics, + getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, + getSyntacticClassifications: getSyntacticClassifications, + getSemanticClassifications: getSemanticClassifications, + getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, + getEncodedSemanticClassifications: getEncodedSemanticClassifications, + getCompletionsAtPosition: getCompletionsAtPosition, + getCompletionEntryDetails: getCompletionEntryDetails, + getCompletionEntrySymbol: getCompletionEntrySymbol, + getSignatureHelpItems: getSignatureHelpItems, + getQuickInfoAtPosition: getQuickInfoAtPosition, + getDefinitionAtPosition: getDefinitionAtPosition, + getDefinitionAndBoundSpan: getDefinitionAndBoundSpan, + getImplementationAtPosition: getImplementationAtPosition, + getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, + getReferencesAtPosition: getReferencesAtPosition, + findReferences: findReferences, + getFileReferences: getFileReferences, + getOccurrencesAtPosition: getOccurrencesAtPosition, + getDocumentHighlights: getDocumentHighlights, + getNameOrDottedNameSpan: getNameOrDottedNameSpan, + getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, + getNavigateToItems: getNavigateToItems, + getRenameInfo: getRenameInfo, + getSmartSelectionRange: getSmartSelectionRange, + findRenameLocations: findRenameLocations, + getNavigationBarItems: getNavigationBarItems, + getNavigationTree: getNavigationTree, + getOutliningSpans: getOutliningSpans, + getTodoComments: getTodoComments, + getBraceMatchingAtPosition: getBraceMatchingAtPosition, + getIndentationAtPosition: getIndentationAtPosition, + getFormattingEditsForRange: getFormattingEditsForRange, + getFormattingEditsForDocument: getFormattingEditsForDocument, + getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, + getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, + isValidBraceCompletionAtPosition: isValidBraceCompletionAtPosition, + getJsxClosingTagAtPosition: getJsxClosingTagAtPosition, + getSpanOfEnclosingComment: getSpanOfEnclosingComment, + getCodeFixesAtPosition: getCodeFixesAtPosition, + getCombinedCodeFix: getCombinedCodeFix, + applyCodeActionCommand: applyCodeActionCommand, + organizeImports: organizeImports, + getEditsForFileRename: getEditsForFileRename, + getEmitOutput: getEmitOutput, + getNonBoundSourceFile: getNonBoundSourceFile, + getProgram: getProgram, + getAutoImportProvider: getAutoImportProvider, + getApplicableRefactors: getApplicableRefactors, + getEditsForRefactor: getEditsForRefactor, + toLineColumnOffset: toLineColumnOffset, + getSourceMapper: function () { return sourceMapper; }, + clearSourceMapperCache: function () { return sourceMapper.clearCache(); }, + prepareCallHierarchy: prepareCallHierarchy, + provideCallHierarchyIncomingCalls: provideCallHierarchyIncomingCalls, + provideCallHierarchyOutgoingCalls: provideCallHierarchyOutgoingCalls, + toggleLineComment: toggleLineComment, + toggleMultilineComment: toggleMultilineComment, + commentSelection: commentSelection, + uncommentSelection: uncommentSelection, + provideInlayHints: provideInlayHints, + }; + switch (languageServiceMode) { + case ts.LanguageServiceMode.Semantic: + break; + case ts.LanguageServiceMode.PartialSemantic: + invalidOperationsInPartialSemanticMode.forEach(function (key) { + return ls[key] = function () { + throw new Error("LanguageService Operation: ".concat(key, " not allowed in LanguageServiceMode.PartialSemantic")); + }; + }); + break; + case ts.LanguageServiceMode.Syntactic: + invalidOperationsInSyntacticMode.forEach(function (key) { + return ls[key] = function () { + throw new Error("LanguageService Operation: ".concat(key, " not allowed in LanguageServiceMode.Syntactic")); + }; + }); + break; + default: + ts.Debug.assertNever(languageServiceMode); + } + return ls; + } + ts.createLanguageService = createLanguageService; + /* @internal */ + /** Names in the name table are escaped, so an identifier `__foo` will have a name table entry `___foo`. */ + function getNameTable(sourceFile) { + if (!sourceFile.nameTable) { + initializeNameTable(sourceFile); + } + return sourceFile.nameTable; // TODO: GH#18217 + } + ts.getNameTable = getNameTable; + function initializeNameTable(sourceFile) { + var nameTable = sourceFile.nameTable = new ts.Map(); + sourceFile.forEachChild(function walk(node) { + if (ts.isIdentifier(node) && !ts.isTagName(node) && node.escapedText || ts.isStringOrNumericLiteralLike(node) && literalIsName(node)) { + var text = ts.getEscapedTextOfIdentifierOrLiteral(node); + nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1); + } + else if (ts.isPrivateIdentifier(node)) { + var text = node.escapedText; + nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1); + } + ts.forEachChild(node, walk); + if (ts.hasJSDocNodes(node)) { + for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) { + var jsDoc = _a[_i]; + ts.forEachChild(jsDoc, walk); + } + } + }); + } + /** + * We want to store any numbers/strings if they were a name that could be + * related to a declaration. So, if we have 'import x = require("something")' + * then we want 'something' to be in the name table. Similarly, if we have + * "a['propname']" then we want to store "propname" in the name table. + */ + function literalIsName(node) { + return ts.isDeclarationName(node) || + node.parent.kind === 277 /* SyntaxKind.ExternalModuleReference */ || + isArgumentOfElementAccessExpression(node) || + ts.isLiteralComputedPropertyDeclarationName(node); + } + /** + * Returns the containing object literal property declaration given a possible name node, e.g. "a" in x = { "a": 1 } + */ + /* @internal */ + function getContainingObjectLiteralElement(node) { + var element = getContainingObjectLiteralElementWorker(node); + return element && (ts.isObjectLiteralExpression(element.parent) || ts.isJsxAttributes(element.parent)) ? element : undefined; + } + ts.getContainingObjectLiteralElement = getContainingObjectLiteralElement; + function getContainingObjectLiteralElementWorker(node) { + switch (node.kind) { + case 10 /* SyntaxKind.StringLiteral */: + case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */: + case 8 /* SyntaxKind.NumericLiteral */: + if (node.parent.kind === 162 /* SyntaxKind.ComputedPropertyName */) { + return ts.isObjectLiteralElement(node.parent.parent) ? node.parent.parent : undefined; + } + // falls through + case 79 /* SyntaxKind.Identifier */: + return ts.isObjectLiteralElement(node.parent) && + (node.parent.parent.kind === 205 /* SyntaxKind.ObjectLiteralExpression */ || node.parent.parent.kind === 286 /* SyntaxKind.JsxAttributes */) && + node.parent.name === node ? node.parent : undefined; + } + return undefined; + } + function getSymbolAtLocationForQuickInfo(node, checker) { + var object = getContainingObjectLiteralElement(node); + if (object) { + var contextualType = checker.getContextualType(object.parent); + var properties = contextualType && getPropertySymbolsFromContextualType(object, checker, contextualType, /*unionSymbolOk*/ false); + if (properties && properties.length === 1) { + return ts.first(properties); + } + } + return checker.getSymbolAtLocation(node); + } + /** Gets all symbols for one property. Does not get symbols for every property. */ + /* @internal */ + function getPropertySymbolsFromContextualType(node, checker, contextualType, unionSymbolOk) { + var name = ts.getNameFromPropertyName(node.name); + if (!name) + return ts.emptyArray; + if (!contextualType.isUnion()) { + var symbol = contextualType.getProperty(name); + return symbol ? [symbol] : ts.emptyArray; + } + var discriminatedPropertySymbols = ts.mapDefined(contextualType.types, function (t) { return (ts.isObjectLiteralExpression(node.parent) || ts.isJsxAttributes(node.parent)) && checker.isTypeInvalidDueToUnionDiscriminant(t, node.parent) ? undefined : t.getProperty(name); }); + if (unionSymbolOk && (discriminatedPropertySymbols.length === 0 || discriminatedPropertySymbols.length === contextualType.types.length)) { + var symbol = contextualType.getProperty(name); + if (symbol) + return [symbol]; + } + if (discriminatedPropertySymbols.length === 0) { + // Bad discriminant -- do again without discriminating + return ts.mapDefined(contextualType.types, function (t) { return t.getProperty(name); }); + } + return discriminatedPropertySymbols; + } + ts.getPropertySymbolsFromContextualType = getPropertySymbolsFromContextualType; + function isArgumentOfElementAccessExpression(node) { + return node && + node.parent && + node.parent.kind === 207 /* SyntaxKind.ElementAccessExpression */ && + node.parent.argumentExpression === node; + } + /** + * Get the path of the default library files (lib.d.ts) as distributed with the typescript + * node package. + * The functionality is not supported if the ts module is consumed outside of a node module. + */ + function getDefaultLibFilePath(options) { + // Check __dirname is defined and that we are on a node.js system. + if (typeof __dirname !== "undefined") { + return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); + } + throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); + } + ts.getDefaultLibFilePath = getDefaultLibFilePath; + ts.setObjectAllocator(getServicesObjectAllocator()); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var BreakpointResolver; + (function (BreakpointResolver) { + /** + * Get the breakpoint span in given sourceFile + */ + function spanInSourceFileAtLocation(sourceFile, position) { + // Cannot set breakpoint in dts file + if (sourceFile.isDeclarationFile) { + return undefined; + } + var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); + var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { + // Get previous token if the token is returned starts on new line + // eg: let x =10; |--- cursor is here + // let y = 10; + // token at position will return let keyword on second line as the token but we would like to use + // token on same line if trailing trivia (comments or white spaces on same line) part of the last token on that line + var preceding = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); + // It's a blank line + if (!preceding || sourceFile.getLineAndCharacterOfPosition(preceding.getEnd()).line !== lineOfPosition) { + return undefined; + } + tokenAtLocation = preceding; + } + // Cannot set breakpoint in ambient declarations + if (tokenAtLocation.flags & 16777216 /* NodeFlags.Ambient */) { + return undefined; + } + // Get the span in the node based on its syntax + return spanInNode(tokenAtLocation); + function textSpan(startNode, endNode) { + var start = startNode.decorators ? + ts.skipTrivia(sourceFile.text, startNode.decorators.end) : + startNode.getStart(sourceFile); + return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); + } + function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { + return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent, sourceFile)); + } + function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { + if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { + return spanInNode(node); + } + return spanInNode(otherwiseOnNode); + } + function spanInNodeArray(nodeArray) { + return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); + } + function spanInPreviousNode(node) { + return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); + } + function spanInNextNode(node) { + return spanInNode(ts.findNextToken(node, node.parent, sourceFile)); + } + function spanInNode(node) { + if (node) { + var parent = node.parent; + switch (node.kind) { + case 237 /* SyntaxKind.VariableStatement */: + // Span on first variable declaration + return spanInVariableDeclaration(node.declarationList.declarations[0]); + case 254 /* SyntaxKind.VariableDeclaration */: + case 167 /* SyntaxKind.PropertyDeclaration */: + case 166 /* SyntaxKind.PropertySignature */: + return spanInVariableDeclaration(node); + case 164 /* SyntaxKind.Parameter */: + return spanInParameterDeclaration(node); + case 256 /* SyntaxKind.FunctionDeclaration */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 171 /* SyntaxKind.Constructor */: + case 213 /* SyntaxKind.FunctionExpression */: + case 214 /* SyntaxKind.ArrowFunction */: + return spanInFunctionDeclaration(node); + case 235 /* SyntaxKind.Block */: + if (ts.isFunctionBlock(node)) { + return spanInFunctionBlock(node); + } + // falls through + case 262 /* SyntaxKind.ModuleBlock */: + return spanInBlock(node); + case 292 /* SyntaxKind.CatchClause */: + return spanInBlock(node.block); + case 238 /* SyntaxKind.ExpressionStatement */: + // span on the expression + return textSpan(node.expression); + case 247 /* SyntaxKind.ReturnStatement */: + // span on return keyword and expression if present + return textSpan(node.getChildAt(0), node.expression); + case 241 /* SyntaxKind.WhileStatement */: + // Span on while(...) + return textSpanEndingAtNextToken(node, node.expression); + case 240 /* SyntaxKind.DoStatement */: + // span in statement of the do statement + return spanInNode(node.statement); + case 253 /* SyntaxKind.DebuggerStatement */: + // span on debugger keyword + return textSpan(node.getChildAt(0)); + case 239 /* SyntaxKind.IfStatement */: + // set on if(..) span + return textSpanEndingAtNextToken(node, node.expression); + case 250 /* SyntaxKind.LabeledStatement */: + // span in statement + return spanInNode(node.statement); + case 246 /* SyntaxKind.BreakStatement */: + case 245 /* SyntaxKind.ContinueStatement */: + // On break or continue keyword and label if present + return textSpan(node.getChildAt(0), node.label); + case 242 /* SyntaxKind.ForStatement */: + return spanInForStatement(node); + case 243 /* SyntaxKind.ForInStatement */: + // span of for (a in ...) + return textSpanEndingAtNextToken(node, node.expression); + case 244 /* SyntaxKind.ForOfStatement */: + // span in initializer + return spanInInitializerOfForLike(node); + case 249 /* SyntaxKind.SwitchStatement */: + // span on switch(...) + return textSpanEndingAtNextToken(node, node.expression); + case 289 /* SyntaxKind.CaseClause */: + case 290 /* SyntaxKind.DefaultClause */: + // span in first statement of the clause + return spanInNode(node.statements[0]); + case 252 /* SyntaxKind.TryStatement */: + // span in try block + return spanInBlock(node.tryBlock); + case 251 /* SyntaxKind.ThrowStatement */: + // span in throw ... + return textSpan(node, node.expression); + case 271 /* SyntaxKind.ExportAssignment */: + // span on export = id + return textSpan(node, node.expression); + case 265 /* SyntaxKind.ImportEqualsDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleReference); + case 266 /* SyntaxKind.ImportDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleSpecifier); + case 272 /* SyntaxKind.ExportDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleSpecifier); + case 261 /* SyntaxKind.ModuleDeclaration */: + // span on complete module if it is instantiated + if (ts.getModuleInstanceState(node) !== 1 /* ModuleInstanceState.Instantiated */) { + return undefined; + } + // falls through + case 257 /* SyntaxKind.ClassDeclaration */: + case 260 /* SyntaxKind.EnumDeclaration */: + case 299 /* SyntaxKind.EnumMember */: + case 203 /* SyntaxKind.BindingElement */: + // span on complete node + return textSpan(node); + case 248 /* SyntaxKind.WithStatement */: + // span in statement + return spanInNode(node.statement); + case 165 /* SyntaxKind.Decorator */: + return spanInNodeArray(parent.decorators); + case 201 /* SyntaxKind.ObjectBindingPattern */: + case 202 /* SyntaxKind.ArrayBindingPattern */: + return spanInBindingPattern(node); + // No breakpoint in interface, type alias + case 258 /* SyntaxKind.InterfaceDeclaration */: + case 259 /* SyntaxKind.TypeAliasDeclaration */: + return undefined; + // Tokens: + case 26 /* SyntaxKind.SemicolonToken */: + case 1 /* SyntaxKind.EndOfFileToken */: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); + case 27 /* SyntaxKind.CommaToken */: + return spanInPreviousNode(node); + case 18 /* SyntaxKind.OpenBraceToken */: + return spanInOpenBraceToken(node); + case 19 /* SyntaxKind.CloseBraceToken */: + return spanInCloseBraceToken(node); + case 23 /* SyntaxKind.CloseBracketToken */: + return spanInCloseBracketToken(node); + case 20 /* SyntaxKind.OpenParenToken */: + return spanInOpenParenToken(node); + case 21 /* SyntaxKind.CloseParenToken */: + return spanInCloseParenToken(node); + case 58 /* SyntaxKind.ColonToken */: + return spanInColonToken(node); + case 31 /* SyntaxKind.GreaterThanToken */: + case 29 /* SyntaxKind.LessThanToken */: + return spanInGreaterThanOrLessThanToken(node); + // Keywords: + case 115 /* SyntaxKind.WhileKeyword */: + return spanInWhileKeyword(node); + case 91 /* SyntaxKind.ElseKeyword */: + case 83 /* SyntaxKind.CatchKeyword */: + case 96 /* SyntaxKind.FinallyKeyword */: + return spanInNextNode(node); + case 160 /* SyntaxKind.OfKeyword */: + return spanInOfKeyword(node); + default: + // Destructuring pattern in destructuring assignment + // [a, b, c] of + // [a, b, c] = expression + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); + } + // Set breakpoint on identifier element of destructuring pattern + // `a` or `...c` or `d: x` from + // `[a, b, ...c]` or `{ a, b }` or `{ d: x }` from destructuring pattern + if ((node.kind === 79 /* SyntaxKind.Identifier */ || + node.kind === 225 /* SyntaxKind.SpreadElement */ || + node.kind === 296 /* SyntaxKind.PropertyAssignment */ || + node.kind === 297 /* SyntaxKind.ShorthandPropertyAssignment */) && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(parent)) { + return textSpan(node); + } + if (node.kind === 221 /* SyntaxKind.BinaryExpression */) { + var _a = node, left = _a.left, operatorToken = _a.operatorToken; + // Set breakpoint in destructuring pattern if its destructuring assignment + // [a, b, c] or {a, b, c} of + // [a, b, c] = expression or + // {a, b, c} = expression + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(left)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(left); + } + if (operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Set breakpoint on assignment expression element of destructuring pattern + // a = expression of + // [a = expression, b, c] = someExpression or + // { a = expression, b, c } = someExpression + return textSpan(node); + } + if (operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + return spanInNode(left); + } + } + if (ts.isExpressionNode(node)) { + switch (parent.kind) { + case 240 /* SyntaxKind.DoStatement */: + // Set span as if on while keyword + return spanInPreviousNode(node); + case 165 /* SyntaxKind.Decorator */: + // Set breakpoint on the decorator emit + return spanInNode(node.parent); + case 242 /* SyntaxKind.ForStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + return textSpan(node); + case 221 /* SyntaxKind.BinaryExpression */: + if (node.parent.operatorToken.kind === 27 /* SyntaxKind.CommaToken */) { + // If this is a comma expression, the breakpoint is possible in this expression + return textSpan(node); + } + break; + case 214 /* SyntaxKind.ArrowFunction */: + if (node.parent.body === node) { + // If this is body of arrow function, it is allowed to have the breakpoint + return textSpan(node); + } + break; + } + } + switch (node.parent.kind) { + case 296 /* SyntaxKind.PropertyAssignment */: + // If this is name of property assignment, set breakpoint in the initializer + if (node.parent.name === node && + !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { + return spanInNode(node.parent.initializer); + } + break; + case 211 /* SyntaxKind.TypeAssertionExpression */: + // Breakpoint in type assertion goes to its operand + if (node.parent.type === node) { + return spanInNextNode(node.parent.type); + } + break; + case 254 /* SyntaxKind.VariableDeclaration */: + case 164 /* SyntaxKind.Parameter */: { + // initializer of variable/parameter declaration go to previous node + var _b = node.parent, initializer = _b.initializer, type = _b.type; + if (initializer === node || type === node || ts.isAssignmentOperator(node.kind)) { + return spanInPreviousNode(node); + } + break; + } + case 221 /* SyntaxKind.BinaryExpression */: { + var left = node.parent.left; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(left) && node !== left) { + // If initializer of destructuring assignment move to previous token + return spanInPreviousNode(node); + } + break; + } + default: + // return type of function go to previous token + if (ts.isFunctionLike(node.parent) && node.parent.type === node) { + return spanInPreviousNode(node); + } + } + // Default go to parent to set the breakpoint + return spanInNode(node.parent); + } + } + function textSpanFromVariableDeclaration(variableDeclaration) { + if (ts.isVariableDeclarationList(variableDeclaration.parent) && variableDeclaration.parent.declarations[0] === variableDeclaration) { + // First declaration - include let keyword + return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); + } + else { + // Span only on this declaration + return textSpan(variableDeclaration); + } + } + function spanInVariableDeclaration(variableDeclaration) { + // If declaration of for in statement, just set the span in parent + if (variableDeclaration.parent.parent.kind === 243 /* SyntaxKind.ForInStatement */) { + return spanInNode(variableDeclaration.parent.parent); + } + var parent = variableDeclaration.parent; + // If this is a destructuring pattern, set breakpoint in binding pattern + if (ts.isBindingPattern(variableDeclaration.name)) { + return spanInBindingPattern(variableDeclaration.name); + } + // Breakpoint is possible in variableDeclaration only if there is initialization + // or its declaration from 'for of' + if (variableDeclaration.initializer || + ts.hasSyntacticModifier(variableDeclaration, 1 /* ModifierFlags.Export */) || + parent.parent.kind === 244 /* SyntaxKind.ForOfStatement */) { + return textSpanFromVariableDeclaration(variableDeclaration); + } + if (ts.isVariableDeclarationList(variableDeclaration.parent) && + variableDeclaration.parent.declarations[0] !== variableDeclaration) { + // If we cannot set breakpoint on this declaration, set it on previous one + // Because the variable declaration may be binding pattern and + // we would like to set breakpoint in last binding element if that's the case, + // use preceding token instead + return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); + } + } + function canHaveSpanInParameterDeclaration(parameter) { + // Breakpoint is possible on parameter only if it has initializer, is a rest parameter, or has public or private modifier + return !!parameter.initializer || parameter.dotDotDotToken !== undefined || + ts.hasSyntacticModifier(parameter, 4 /* ModifierFlags.Public */ | 8 /* ModifierFlags.Private */); + } + function spanInParameterDeclaration(parameter) { + if (ts.isBindingPattern(parameter.name)) { + // Set breakpoint in binding pattern + return spanInBindingPattern(parameter.name); + } + else if (canHaveSpanInParameterDeclaration(parameter)) { + return textSpan(parameter); + } + else { + var functionDeclaration = parameter.parent; + var indexOfParameter = functionDeclaration.parameters.indexOf(parameter); + ts.Debug.assert(indexOfParameter !== -1); + if (indexOfParameter !== 0) { + // Not a first parameter, go to previous parameter + return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + } + else { + // Set breakpoint in the function declaration body + return spanInNode(functionDeclaration.body); + } + } + } + function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { + return ts.hasSyntacticModifier(functionDeclaration, 1 /* ModifierFlags.Export */) || + (functionDeclaration.parent.kind === 257 /* SyntaxKind.ClassDeclaration */ && functionDeclaration.kind !== 171 /* SyntaxKind.Constructor */); + } + function spanInFunctionDeclaration(functionDeclaration) { + // No breakpoints in the function signature + if (!functionDeclaration.body) { + return undefined; + } + if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { + // Set the span on whole function declaration + return textSpan(functionDeclaration); + } + // Set span in function body + return spanInNode(functionDeclaration.body); + } + function spanInFunctionBlock(block) { + var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); + if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { + return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); + } + return spanInNode(nodeForSpanInBlock); + } + function spanInBlock(block) { + switch (block.parent.kind) { + case 261 /* SyntaxKind.ModuleDeclaration */: + if (ts.getModuleInstanceState(block.parent) !== 1 /* ModuleInstanceState.Instantiated */) { + return undefined; + } + // Set on parent if on same line otherwise on first statement + // falls through + case 241 /* SyntaxKind.WhileStatement */: + case 239 /* SyntaxKind.IfStatement */: + case 243 /* SyntaxKind.ForInStatement */: + return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); + // Set span on previous token if it starts on same line otherwise on the first statement of the block + case 242 /* SyntaxKind.ForStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); + } + // Default action is to set on first statement + return spanInNode(block.statements[0]); + } + function spanInInitializerOfForLike(forLikeStatement) { + if (forLikeStatement.initializer.kind === 255 /* SyntaxKind.VariableDeclarationList */) { + // Declaration list - set breakpoint in first declaration + var variableDeclarationList = forLikeStatement.initializer; + if (variableDeclarationList.declarations.length > 0) { + return spanInNode(variableDeclarationList.declarations[0]); + } + } + else { + // Expression - set breakpoint in it + return spanInNode(forLikeStatement.initializer); + } + } + function spanInForStatement(forStatement) { + if (forStatement.initializer) { + return spanInInitializerOfForLike(forStatement); + } + if (forStatement.condition) { + return textSpan(forStatement.condition); + } + if (forStatement.incrementor) { + return textSpan(forStatement.incrementor); + } + } + function spanInBindingPattern(bindingPattern) { + // Set breakpoint in first binding element + var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 227 /* SyntaxKind.OmittedExpression */ ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + // Empty binding pattern of binding element, set breakpoint on binding element + if (bindingPattern.parent.kind === 203 /* SyntaxKind.BindingElement */) { + return textSpan(bindingPattern.parent); + } + // Variable declaration is used as the span + return textSpanFromVariableDeclaration(bindingPattern.parent); + } + function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { + ts.Debug.assert(node.kind !== 202 /* SyntaxKind.ArrayBindingPattern */ && node.kind !== 201 /* SyntaxKind.ObjectBindingPattern */); + var elements = node.kind === 204 /* SyntaxKind.ArrayLiteralExpression */ ? node.elements : node.properties; + var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 227 /* SyntaxKind.OmittedExpression */ ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + // Could be ArrayLiteral from destructuring assignment or + // just nested element in another destructuring assignment + // set breakpoint on assignment when parent is destructuring assignment + // Otherwise set breakpoint for this element + return textSpan(node.parent.kind === 221 /* SyntaxKind.BinaryExpression */ ? node.parent : node); + } + // Tokens: + function spanInOpenBraceToken(node) { + switch (node.parent.kind) { + case 260 /* SyntaxKind.EnumDeclaration */: + var enumDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); + case 257 /* SyntaxKind.ClassDeclaration */: + var classDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); + case 263 /* SyntaxKind.CaseBlock */: + return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInCloseBraceToken(node) { + switch (node.parent.kind) { + case 262 /* SyntaxKind.ModuleBlock */: + // If this is not an instantiated module block, no bp span + if (ts.getModuleInstanceState(node.parent.parent) !== 1 /* ModuleInstanceState.Instantiated */) { + return undefined; + } + // falls through + case 260 /* SyntaxKind.EnumDeclaration */: + case 257 /* SyntaxKind.ClassDeclaration */: + // Span on close brace token + return textSpan(node); + case 235 /* SyntaxKind.Block */: + if (ts.isFunctionBlock(node.parent)) { + // Span on close brace token + return textSpan(node); + } + // falls through + case 292 /* SyntaxKind.CatchClause */: + return spanInNode(ts.lastOrUndefined(node.parent.statements)); + case 263 /* SyntaxKind.CaseBlock */: + // breakpoint in last statement of the last clause + var caseBlock = node.parent; + var lastClause = ts.lastOrUndefined(caseBlock.clauses); + if (lastClause) { + return spanInNode(ts.lastOrUndefined(lastClause.statements)); + } + return undefined; + case 201 /* SyntaxKind.ObjectBindingPattern */: + // Breakpoint in last binding element or binding pattern if it contains no elements + var bindingPattern = node.parent; + return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + // Default to parent node + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Breakpoint in last binding element or binding pattern if it contains no elements + var objectLiteral = node.parent; + return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); + } + return spanInNode(node.parent); + } + } + function spanInCloseBracketToken(node) { + switch (node.parent.kind) { + case 202 /* SyntaxKind.ArrayBindingPattern */: + // Breakpoint in last binding element or binding pattern if it contains no elements + var bindingPattern = node.parent; + return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Breakpoint in last binding element or binding pattern if it contains no elements + var arrayLiteral = node.parent; + return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); + } + // Default to parent node + return spanInNode(node.parent); + } + } + function spanInOpenParenToken(node) { + if (node.parent.kind === 240 /* SyntaxKind.DoStatement */ || // Go to while keyword and do action instead + node.parent.kind === 208 /* SyntaxKind.CallExpression */ || + node.parent.kind === 209 /* SyntaxKind.NewExpression */) { + return spanInPreviousNode(node); + } + if (node.parent.kind === 212 /* SyntaxKind.ParenthesizedExpression */) { + return spanInNextNode(node); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInCloseParenToken(node) { + // Is this close paren token of parameter list, set span in previous token + switch (node.parent.kind) { + case 213 /* SyntaxKind.FunctionExpression */: + case 256 /* SyntaxKind.FunctionDeclaration */: + case 214 /* SyntaxKind.ArrowFunction */: + case 169 /* SyntaxKind.MethodDeclaration */: + case 168 /* SyntaxKind.MethodSignature */: + case 172 /* SyntaxKind.GetAccessor */: + case 173 /* SyntaxKind.SetAccessor */: + case 171 /* SyntaxKind.Constructor */: + case 241 /* SyntaxKind.WhileStatement */: + case 240 /* SyntaxKind.DoStatement */: + case 242 /* SyntaxKind.ForStatement */: + case 244 /* SyntaxKind.ForOfStatement */: + case 208 /* SyntaxKind.CallExpression */: + case 209 /* SyntaxKind.NewExpression */: + case 212 /* SyntaxKind.ParenthesizedExpression */: + return spanInPreviousNode(node); + // Default to parent node + default: + return spanInNode(node.parent); + } + } + function spanInColonToken(node) { + // Is this : specifying return annotation of the function declaration + if (ts.isFunctionLike(node.parent) || + node.parent.kind === 296 /* SyntaxKind.PropertyAssignment */ || + node.parent.kind === 164 /* SyntaxKind.Parameter */) { + return spanInPreviousNode(node); + } + return spanInNode(node.parent); + } + function spanInGreaterThanOrLessThanToken(node) { + if (node.parent.kind === 211 /* SyntaxKind.TypeAssertionExpression */) { + return spanInNextNode(node); + } + return spanInNode(node.parent); + } + function spanInWhileKeyword(node) { + if (node.parent.kind === 240 /* SyntaxKind.DoStatement */) { + // Set span on while expression + return textSpanEndingAtNextToken(node, node.parent.expression); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInOfKeyword(node) { + if (node.parent.kind === 244 /* SyntaxKind.ForOfStatement */) { + // Set using next token + return spanInNextNode(node); + } + // Default to parent node + return spanInNode(node.parent); + } + } + } + BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; + })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + /** + * Transform one or more nodes using the supplied transformers. + * @param source A single `Node` or an array of `Node` objects. + * @param transformers An array of `TransformerFactory` callbacks used to process the transformation. + * @param compilerOptions Optional compiler options. + */ + function transform(source, transformers, compilerOptions) { + var diagnostics = []; + compilerOptions = ts.fixupCompilerOptions(compilerOptions, diagnostics); // TODO: GH#18217 + var nodes = ts.isArray(source) ? source : [source]; + var result = ts.transformNodes(/*resolver*/ undefined, /*emitHost*/ undefined, ts.factory, compilerOptions, nodes, transformers, /*allowDtsFiles*/ true); + result.diagnostics = ts.concatenate(result.diagnostics, diagnostics); + return result; + } + ts.transform = transform; +})(ts || (ts = {})); +// +// Copyright (c) Microsoft Corporation. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +/* @internal */ +var debugObjectHost = (function () { + return this; +})(); +// We need to use 'null' to interface with the managed side. +/* eslint-disable no-in-operator */ +/* @internal */ +var ts; +(function (ts) { + function logInternalError(logger, err) { + if (logger) { + logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); + } + } + var ScriptSnapshotShimAdapter = /** @class */ (function () { + function ScriptSnapshotShimAdapter(scriptSnapshotShim) { + this.scriptSnapshotShim = scriptSnapshotShim; + } + ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { + return this.scriptSnapshotShim.getText(start, end); + }; + ScriptSnapshotShimAdapter.prototype.getLength = function () { + return this.scriptSnapshotShim.getLength(); + }; + ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { + var oldSnapshotShim = oldSnapshot; + var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); + /* eslint-disable no-null/no-null */ + if (encoded === null) { + return null; // TODO: GH#18217 + } + /* eslint-enable no-null/no-null */ + var decoded = JSON.parse(encoded); // TODO: GH#18217 + return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + }; + ScriptSnapshotShimAdapter.prototype.dispose = function () { + // if scriptSnapshotShim is a COM object then property check becomes method call with no arguments + // 'in' does not have this effect + if ("dispose" in this.scriptSnapshotShim) { + this.scriptSnapshotShim.dispose(); // TODO: GH#18217 Can we just use `if (this.scriptSnapshotShim.dispose)`? + } + }; + return ScriptSnapshotShimAdapter; + }()); + var LanguageServiceShimHostAdapter = /** @class */ (function () { + function LanguageServiceShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.loggingEnabled = false; + this.tracingEnabled = false; + // if shimHost is a COM object then property check will become method call with no arguments. + // 'in' does not have this effect. + if ("getModuleResolutionsForFile" in this.shimHost) { + this.resolveModuleNames = function (moduleNames, containingFile) { + var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); // TODO: GH#18217 + return ts.map(moduleNames, function (name) { + var result = ts.getProperty(resolutionsInFile, name); + return result ? { resolvedFileName: result, extension: ts.extensionFromPath(result), isExternalLibraryImport: false } : undefined; + }); + }; + } + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + if ("getTypeReferenceDirectiveResolutionsForFile" in this.shimHost) { + this.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { + var typeDirectivesForFile = JSON.parse(_this.shimHost.getTypeReferenceDirectiveResolutionsForFile(containingFile)); // TODO: GH#18217 + return ts.map(typeDirectiveNames, function (name) { return ts.getProperty(typeDirectivesForFile, ts.isString(name) ? name : name.fileName.toLowerCase()); }); + }; + } + } + LanguageServiceShimHostAdapter.prototype.log = function (s) { + if (this.loggingEnabled) { + this.shimHost.log(s); + } + }; + LanguageServiceShimHostAdapter.prototype.trace = function (s) { + if (this.tracingEnabled) { + this.shimHost.trace(s); + } + }; + LanguageServiceShimHostAdapter.prototype.error = function (s) { + this.shimHost.error(s); + }; + LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { + if (!this.shimHost.getProjectVersion) { + // shimmed host does not support getProjectVersion + return undefined; // TODO: GH#18217 + } + return this.shimHost.getProjectVersion(); + }; + LanguageServiceShimHostAdapter.prototype.getTypeRootsVersion = function () { + if (!this.shimHost.getTypeRootsVersion) { + return 0; + } + return this.shimHost.getTypeRootsVersion(); + }; + LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { + return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + }; + LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { + var settingsJson = this.shimHost.getCompilationSettings(); + // eslint-disable-next-line no-null/no-null + if (settingsJson === null || settingsJson === "") { + throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); + } + var compilerOptions = JSON.parse(settingsJson); + // permit language service to handle all files (filtering should be performed on the host side) + compilerOptions.allowNonTsExtensions = true; + return compilerOptions; + }; + LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { + var encoded = this.shimHost.getScriptFileNames(); + return JSON.parse(encoded); + }; + LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { + var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); + return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + }; + LanguageServiceShimHostAdapter.prototype.getScriptKind = function (fileName) { + if ("getScriptKind" in this.shimHost) { + return this.shimHost.getScriptKind(fileName); // TODO: GH#18217 + } + else { + return 0 /* ScriptKind.Unknown */; + } + }; + LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { + return this.shimHost.getScriptVersion(fileName); + }; + LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { + /* eslint-disable no-null/no-null */ + var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); + if (diagnosticMessagesJson === null || diagnosticMessagesJson === "") { + return null; + } + try { + return JSON.parse(diagnosticMessagesJson); + } + catch (e) { + this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); + return null; + } + /* eslint-enable no-null/no-null */ + }; + LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { + var hostCancellationToken = this.shimHost.getCancellationToken(); + return new ts.ThrottledCancellationToken(hostCancellationToken); + }; + LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { + return this.shimHost.getCurrentDirectory(); + }; + LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) { + return JSON.parse(this.shimHost.getDirectories(path)); + }; + LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { + return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + }; + LanguageServiceShimHostAdapter.prototype.readDirectory = function (path, extensions, exclude, include, depth) { + var pattern = ts.getFileMatcherPatterns(path, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); // TODO: GH#18217 + return JSON.parse(this.shimHost.readDirectory(path, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + }; + LanguageServiceShimHostAdapter.prototype.readFile = function (path, encoding) { + return this.shimHost.readFile(path, encoding); + }; + LanguageServiceShimHostAdapter.prototype.fileExists = function (path) { + return this.shimHost.fileExists(path); + }; + return LanguageServiceShimHostAdapter; + }()); + ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; + var CoreServicesShimHostAdapter = /** @class */ (function () { + function CoreServicesShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.useCaseSensitiveFileNames = this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + else { + this.directoryExists = undefined; // TODO: GH#18217 + } + if ("realpath" in this.shimHost) { + this.realpath = function (path) { return _this.shimHost.realpath(path); }; // TODO: GH#18217 + } + else { + this.realpath = undefined; // TODO: GH#18217 + } + } + CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) { + var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); // TODO: GH#18217 + return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + }; + CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { + return this.shimHost.fileExists(fileName); + }; + CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { + return this.shimHost.readFile(fileName); + }; + CoreServicesShimHostAdapter.prototype.getDirectories = function (path) { + return JSON.parse(this.shimHost.getDirectories(path)); + }; + return CoreServicesShimHostAdapter; + }()); + ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; + function simpleForwardCall(logger, actionDescription, action, logPerformance) { + var start; + if (logPerformance) { + logger.log(actionDescription); + start = ts.timestamp(); + } + var result = action(); + if (logPerformance) { + var end = ts.timestamp(); + logger.log("".concat(actionDescription, " completed in ").concat(end - start, " msec")); + if (ts.isString(result)) { + var str = result; + if (str.length > 128) { + str = str.substring(0, 128) + "..."; + } + logger.log(" result.length=".concat(str.length, ", result='").concat(JSON.stringify(str), "'")); + } + } + return result; + } + function forwardJSONCall(logger, actionDescription, action, logPerformance) { + return forwardCall(logger, actionDescription, /*returnJson*/ true, action, logPerformance); + } + function forwardCall(logger, actionDescription, returnJson, action, logPerformance) { + try { + var result = simpleForwardCall(logger, actionDescription, action, logPerformance); + return returnJson ? JSON.stringify({ result: result }) : result; + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + return JSON.stringify({ canceled: true }); + } + logInternalError(logger, err); + err.description = actionDescription; + return JSON.stringify({ error: err }); + } + } + var ShimBase = /** @class */ (function () { + function ShimBase(factory) { + this.factory = factory; + factory.registerShim(this); + } + ShimBase.prototype.dispose = function (_dummy) { + this.factory.unregisterShim(this); + }; + return ShimBase; + }()); + function realizeDiagnostics(diagnostics, newLine) { + return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + } + ts.realizeDiagnostics = realizeDiagnostics; + function realizeDiagnostic(diagnostic, newLine) { + return { + message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), + start: diagnostic.start, + length: diagnostic.length, + category: ts.diagnosticCategoryName(diagnostic), + code: diagnostic.code, + reportsUnnecessary: diagnostic.reportsUnnecessary, + reportsDeprecated: diagnostic.reportsDeprecated + }; + } + var LanguageServiceShimObject = /** @class */ (function (_super) { + __extends(LanguageServiceShimObject, _super); + function LanguageServiceShimObject(factory, host, languageService) { + var _this = _super.call(this, factory) || this; + _this.host = host; + _this.languageService = languageService; + _this.logPerformance = false; + _this.logger = _this.host; + return _this; + } + LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + /// DISPOSE + /** + * Ensure (almost) deterministic release of internal Javascript resources when + * some external native objects holds onto us (e.g. Com/Interop). + */ + LanguageServiceShimObject.prototype.dispose = function (dummy) { + this.logger.log("dispose()"); + this.languageService.dispose(); + this.languageService = null; // eslint-disable-line no-null/no-null + // force a GC + if (debugObjectHost && debugObjectHost.CollectGarbage) { + debugObjectHost.CollectGarbage(); + this.logger.log("CollectGarbage()"); + } + this.logger = null; // eslint-disable-line no-null/no-null + _super.prototype.dispose.call(this, dummy); + }; + /// REFRESH + /** + * Update the list of scripts known to the compiler + */ + LanguageServiceShimObject.prototype.refresh = function (throwOnError) { + this.forwardJSONCall("refresh(".concat(throwOnError, ")"), function () { return null; } // eslint-disable-line no-null/no-null + ); + }; + LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { + var _this = this; + this.forwardJSONCall("cleanupSemanticCache()", function () { + _this.languageService.cleanupSemanticCache(); + return null; // eslint-disable-line no-null/no-null + }); + }; + LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { + var newLine = ts.getNewLineOrDefaultFromHost(this.host); + return realizeDiagnostics(diagnostics, newLine); + }; + LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSyntacticClassifications('".concat(fileName, "', ").concat(start, ", ").concat(length, ")"), function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSemanticClassifications('".concat(fileName, "', ").concat(start, ", ").concat(length, ")"), function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSyntacticClassifications('".concat(fileName, "', ").concat(start, ", ").concat(length, ")"), + // directly serialize the spans out to a string. This is much faster to decode + // on the managed side versus a full JSON array. + function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSemanticClassifications('".concat(fileName, "', ").concat(start, ", ").concat(length, ")"), + // directly serialize the spans out to a string. This is much faster to decode + // on the managed side versus a full JSON array. + function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSyntacticDiagnostics('".concat(fileName, "')"), function () { + var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSemanticDiagnostics('".concat(fileName, "')"), function () { + var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSuggestionDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSuggestionDiagnostics('".concat(fileName, "')"), function () { return _this.realizeDiagnostics(_this.languageService.getSuggestionDiagnostics(fileName)); }); + }; + LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { + var _this = this; + return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { + var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); + return _this.realizeDiagnostics(diagnostics); + }); + }; + /// QUICKINFO + /** + * Computes a string representation of the type at the requested position + * in the active file. + */ + LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getQuickInfoAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); + }; + /// NAMEORDOTTEDNAMESPAN + /** + * Computes span information of the name or dotted name at the requested position + * in the active file. + */ + LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { + var _this = this; + return this.forwardJSONCall("getNameOrDottedNameSpan('".concat(fileName, "', ").concat(startPos, ", ").concat(endPos, ")"), function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); + }; + /** + * STATEMENTSPAN + * Computes span information of statement at the requested position in the active file. + */ + LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBreakpointStatementAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); + }; + /// SIGNATUREHELP + LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position, options) { + var _this = this; + return this.forwardJSONCall("getSignatureHelpItems('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getSignatureHelpItems(fileName, position, options); }); + }; + /// GOTO DEFINITION + /** + * Computes the definition location and file for the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); + }; + /** + * Computes the definition location and file for the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getDefinitionAndBoundSpan = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAndBoundSpan('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getDefinitionAndBoundSpan(fileName, position); }); + }; + /// GOTO Type + /** + * Computes the definition location of the type of the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getTypeDefinitionAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); + }; + /// GOTO Implementation + /** + * Computes the implementation location of the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getImplementationAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getImplementationAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getImplementationAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position, options) { + var _this = this; + return this.forwardJSONCall("getRenameInfo('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getRenameInfo(fileName, position, options); }); + }; + LanguageServiceShimObject.prototype.getSmartSelectionRange = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getSmartSelectionRange('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getSmartSelectionRange(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename) { + var _this = this; + return this.forwardJSONCall("findRenameLocations('".concat(fileName, "', ").concat(position, ", ").concat(findInStrings, ", ").concat(findInComments, ", ").concat(providePrefixAndSuffixTextForRename, ")"), function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename); }); + }; + /// GET BRACE MATCHING + LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBraceMatchingAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.isValidBraceCompletionAtPosition = function (fileName, position, openingBrace) { + var _this = this; + return this.forwardJSONCall("isValidBraceCompletionAtPosition('".concat(fileName, "', ").concat(position, ", ").concat(openingBrace, ")"), function () { return _this.languageService.isValidBraceCompletionAtPosition(fileName, position, openingBrace); }); + }; + LanguageServiceShimObject.prototype.getSpanOfEnclosingComment = function (fileName, position, onlyMultiLine) { + var _this = this; + return this.forwardJSONCall("getSpanOfEnclosingComment('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getSpanOfEnclosingComment(fileName, position, onlyMultiLine); }); + }; + /// GET SMART INDENT + LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options /*Services.EditorOptions*/) { + var _this = this; + return this.forwardJSONCall("getIndentationAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { + var localOptions = JSON.parse(options); + return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); + }); + }; + /// GET REFERENCES + LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getReferencesAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("findReferences('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.findReferences(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getFileReferences = function (fileName) { + var _this = this; + return this.forwardJSONCall("getFileReferences('".concat(fileName, ")"), function () { return _this.languageService.getFileReferences(fileName); }); + }; + LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getOccurrencesAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { + var _this = this; + return this.forwardJSONCall("getDocumentHighlights('".concat(fileName, "', ").concat(position, ")"), function () { + var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); + // workaround for VS document highlighting issue - keep only items from the initial file + var normalizedName = ts.toFileNameLowerCase(ts.normalizeSlashes(fileName)); + return ts.filter(results, function (r) { return ts.toFileNameLowerCase(ts.normalizeSlashes(r.fileName)) === normalizedName; }); + }); + }; + /// COMPLETION LISTS + /** + * Get a string based representation of the completions + * to provide at the given source position and providing a member completion + * list if requested. + */ + LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position, preferences, formattingSettings) { + var _this = this; + return this.forwardJSONCall("getCompletionsAtPosition('".concat(fileName, "', ").concat(position, ", ").concat(preferences, ", ").concat(formattingSettings, ")"), function () { return _this.languageService.getCompletionsAtPosition(fileName, position, preferences, formattingSettings); }); + }; + /** Get a string based representation of a completion list entry details */ + LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName, formatOptions, source, preferences, data) { + var _this = this; + return this.forwardJSONCall("getCompletionEntryDetails('".concat(fileName, "', ").concat(position, ", '").concat(entryName, "')"), function () { + var localOptions = formatOptions === undefined ? undefined : JSON.parse(formatOptions); + return _this.languageService.getCompletionEntryDetails(fileName, position, entryName, localOptions, source, preferences, data); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForRange('".concat(fileName, "', ").concat(start, ", ").concat(end, ")"), function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForDocument('".concat(fileName, "')"), function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsAfterKeystroke('".concat(fileName, "', ").concat(position, ", '").concat(key, "')"), function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position, options) { + var _this = this; + return this.forwardJSONCall("getDocCommentTemplateAtPosition('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position, options); }); + }; + /// NAVIGATE TO + /** Return a list of symbols that are interesting to navigate to */ + LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount, fileName) { + var _this = this; + return this.forwardJSONCall("getNavigateToItems('".concat(searchValue, "', ").concat(maxResultCount, ", ").concat(fileName, ")"), function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount, fileName); }); + }; + LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationBarItems('".concat(fileName, "')"), function () { return _this.languageService.getNavigationBarItems(fileName); }); + }; + LanguageServiceShimObject.prototype.getNavigationTree = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationTree('".concat(fileName, "')"), function () { return _this.languageService.getNavigationTree(fileName); }); + }; + LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { + var _this = this; + return this.forwardJSONCall("getOutliningSpans('".concat(fileName, "')"), function () { return _this.languageService.getOutliningSpans(fileName); }); + }; + LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { + var _this = this; + return this.forwardJSONCall("getTodoComments('".concat(fileName, "')"), function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + }; + /// CALL HIERARCHY + LanguageServiceShimObject.prototype.prepareCallHierarchy = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("prepareCallHierarchy('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.prepareCallHierarchy(fileName, position); }); + }; + LanguageServiceShimObject.prototype.provideCallHierarchyIncomingCalls = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("provideCallHierarchyIncomingCalls('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.provideCallHierarchyIncomingCalls(fileName, position); }); + }; + LanguageServiceShimObject.prototype.provideCallHierarchyOutgoingCalls = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("provideCallHierarchyOutgoingCalls('".concat(fileName, "', ").concat(position, ")"), function () { return _this.languageService.provideCallHierarchyOutgoingCalls(fileName, position); }); + }; + LanguageServiceShimObject.prototype.provideInlayHints = function (fileName, span, preference) { + var _this = this; + return this.forwardJSONCall("provideInlayHints('".concat(fileName, "', '").concat(JSON.stringify(span), "', ").concat(JSON.stringify(preference), ")"), function () { return _this.languageService.provideInlayHints(fileName, span, preference); }); + }; + /// Emit + LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { + var _this = this; + return this.forwardJSONCall("getEmitOutput('".concat(fileName, "')"), function () { + var _a = _this.languageService.getEmitOutput(fileName), diagnostics = _a.diagnostics, rest = __rest(_a, ["diagnostics"]); + return __assign(__assign({}, rest), { diagnostics: _this.realizeDiagnostics(diagnostics) }); + }); + }; + LanguageServiceShimObject.prototype.getEmitOutputObject = function (fileName) { + var _this = this; + return forwardCall(this.logger, "getEmitOutput('".concat(fileName, "')"), + /*returnJson*/ false, function () { return _this.languageService.getEmitOutput(fileName); }, this.logPerformance); + }; + LanguageServiceShimObject.prototype.toggleLineComment = function (fileName, textRange) { + var _this = this; + return this.forwardJSONCall("toggleLineComment('".concat(fileName, "', '").concat(JSON.stringify(textRange), "')"), function () { return _this.languageService.toggleLineComment(fileName, textRange); }); + }; + LanguageServiceShimObject.prototype.toggleMultilineComment = function (fileName, textRange) { + var _this = this; + return this.forwardJSONCall("toggleMultilineComment('".concat(fileName, "', '").concat(JSON.stringify(textRange), "')"), function () { return _this.languageService.toggleMultilineComment(fileName, textRange); }); + }; + LanguageServiceShimObject.prototype.commentSelection = function (fileName, textRange) { + var _this = this; + return this.forwardJSONCall("commentSelection('".concat(fileName, "', '").concat(JSON.stringify(textRange), "')"), function () { return _this.languageService.commentSelection(fileName, textRange); }); + }; + LanguageServiceShimObject.prototype.uncommentSelection = function (fileName, textRange) { + var _this = this; + return this.forwardJSONCall("uncommentSelection('".concat(fileName, "', '").concat(JSON.stringify(textRange), "')"), function () { return _this.languageService.uncommentSelection(fileName, textRange); }); + }; + return LanguageServiceShimObject; + }(ShimBase)); + function convertClassifications(classifications) { + return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; + } + var ClassifierShimObject = /** @class */ (function (_super) { + __extends(ClassifierShimObject, _super); + function ClassifierShimObject(factory, logger) { + var _this = _super.call(this, factory) || this; + _this.logger = logger; + _this.logPerformance = false; + _this.classifier = ts.createClassifier(); + return _this; + } + ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { + var _this = this; + if (syntacticClassifierAbsent === void 0) { syntacticClassifierAbsent = false; } + return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); + }; + /// COLORIZATION + ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { + if (classifyKeywordsInGenerics === void 0) { classifyKeywordsInGenerics = false; } + var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); + var result = ""; + for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { + var item = _a[_i]; + result += item.length + "\n"; + result += item.classification + "\n"; + } + result += classification.finalLexState; + return result; + }; + return ClassifierShimObject; + }(ShimBase)); + var CoreServicesShimObject = /** @class */ (function (_super) { + __extends(CoreServicesShimObject, _super); + function CoreServicesShimObject(factory, logger, host) { + var _this = _super.call(this, factory) || this; + _this.logger = logger; + _this.host = host; + _this.logPerformance = false; + return _this; + } + CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveModuleName('".concat(fileName, "')"), function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + var resolvedFileName = result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined; + if (result.resolvedModule && result.resolvedModule.extension !== ".ts" /* Extension.Ts */ && result.resolvedModule.extension !== ".tsx" /* Extension.Tsx */ && result.resolvedModule.extension !== ".d.ts" /* Extension.Dts */) { + resolvedFileName = undefined; + } + return { + resolvedFileName: resolvedFileName, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.resolveTypeReferenceDirective = function (fileName, typeReferenceDirective, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveTypeReferenceDirective(".concat(fileName, ")"), function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveTypeReferenceDirective(typeReferenceDirective, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + return { + resolvedFileName: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.resolvedFileName : undefined, + primary: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.primary : true, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getPreProcessedFileInfo('".concat(fileName, "')"), function () { + // for now treat files as JavaScript + var result = ts.preProcessFile(ts.getSnapshotText(sourceTextSnapshot), /* readImportFiles */ true, /* detectJavaScriptImports */ true); + return { + referencedFiles: _this.convertFileReferences(result.referencedFiles), + importedFiles: _this.convertFileReferences(result.importedFiles), + ambientExternalModules: result.ambientExternalModules, + isLibFile: result.isLibFile, + typeReferenceDirectives: _this.convertFileReferences(result.typeReferenceDirectives), + libReferenceDirectives: _this.convertFileReferences(result.libReferenceDirectives) + }; + }); + }; + CoreServicesShimObject.prototype.getAutomaticTypeDirectiveNames = function (compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("getAutomaticTypeDirectiveNames('".concat(compilerOptionsJson, "')"), function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + return ts.getAutomaticTypeDirectiveNames(compilerOptions, _this.host); + }); + }; + CoreServicesShimObject.prototype.convertFileReferences = function (refs) { + if (!refs) { + return undefined; + } + var result = []; + for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) { + var ref = refs_1[_i]; + result.push({ + path: ts.normalizeSlashes(ref.fileName), + position: ref.pos, + length: ref.end - ref.pos + }); + } + return result; + }; + CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getTSConfigFileInfo('".concat(fileName, "')"), function () { + var result = ts.parseJsonText(fileName, ts.getSnapshotText(sourceTextSnapshot)); + var normalizedFileName = ts.normalizeSlashes(fileName); + var configFile = ts.parseJsonSourceFileConfigFileContent(result, _this.host, ts.getDirectoryPath(normalizedFileName), /*existingOptions*/ {}, normalizedFileName); + return { + options: configFile.options, + typeAcquisition: configFile.typeAcquisition, + files: configFile.fileNames, + raw: configFile.raw, + errors: realizeDiagnostics(__spreadArray(__spreadArray([], result.parseDiagnostics, true), configFile.errors, true), "\r\n") + }; + }); + }; + CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { + return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); + }; + CoreServicesShimObject.prototype.discoverTypings = function (discoverTypingsJson) { + var _this = this; + var getCanonicalFileName = ts.createGetCanonicalFileName(/*useCaseSensitivefileNames:*/ false); + return this.forwardJSONCall("discoverTypings()", function () { + var info = JSON.parse(discoverTypingsJson); + if (_this.safeList === undefined) { + _this.safeList = ts.JsTyping.loadSafeList(_this.host, ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName)); + } + return ts.JsTyping.discoverTypings(_this.host, function (msg) { return _this.logger.log(msg); }, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), _this.safeList, info.packageNameToTypingLocation, info.typeAcquisition, info.unresolvedImports, info.typesRegistry); + }); + }; + return CoreServicesShimObject; + }(ShimBase)); + var TypeScriptServicesFactory = /** @class */ (function () { + function TypeScriptServicesFactory() { + this._shims = []; + } + /* + * Returns script API version. + */ + TypeScriptServicesFactory.prototype.getServicesVersion = function () { + return ts.servicesVersion; + }; + TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { + try { + if (this.documentRegistry === undefined) { + this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); + } + var hostAdapter = new LanguageServiceShimHostAdapter(host); + var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry, /*syntaxOnly*/ false); + return new LanguageServiceShimObject(this, host, languageService); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { + try { + return new ClassifierShimObject(this, logger); + } + catch (err) { + logInternalError(logger, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { + try { + var adapter = new CoreServicesShimHostAdapter(host); + return new CoreServicesShimObject(this, host, adapter); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.close = function () { + // Forget all the registered shims + ts.clear(this._shims); + this.documentRegistry = undefined; + }; + TypeScriptServicesFactory.prototype.registerShim = function (shim) { + this._shims.push(shim); + }; + TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { + for (var i = 0; i < this._shims.length; i++) { + if (this._shims[i] === shim) { + delete this._shims[i]; + return; + } + } + throw new Error("Invalid operation"); + }; + return TypeScriptServicesFactory; + }()); + ts.TypeScriptServicesFactory = TypeScriptServicesFactory; +})(ts || (ts = {})); +/* eslint-enable no-in-operator */ +// We polyfill `globalThis` here so re can reliably patch the global scope +// in the contexts we want to in the same way across script and module formats +/* eslint-enable no-var */ +((function () { + if (typeof globalThis === "object") + return; + try { + Object.defineProperty(Object.prototype, "__magic__", { + get: function () { + return this; + }, + configurable: true + }); + //@ts-ignore + __magic__.globalThis = __magic__; + // The previous line should have made `globalThis` globally + // available, but it fails in Internet Explorer 10 and older. + // Detect this failure and fall back. + if (typeof globalThis === "undefined") { + // Assume `window` exists. + //@ts-ignore + window.globalThis = window; + } + //@ts-ignore + delete Object.prototype.__magic__; + } + catch (error) { + // In IE8, Object.defineProperty only works on DOM objects. + // If we hit this code path, assume `window` exists. + //@ts-ignore + window.globalThis = window; + } +})()); +// #endregion The polyfill ends here. +// if `process` is undefined, we're probably not running in node - patch legacy members onto the global scope +// @ts-ignore +if (typeof process === "undefined" || process.browser) { + /// TODO: this is used by VS, clean this up on both sides of the interface + //@ts-ignore + globalThis.TypeScript = globalThis.TypeScript || {}; + //@ts-ignore + globalThis.TypeScript.Services = globalThis.TypeScript.Services || {}; + //@ts-ignore + globalThis.TypeScript.Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; + // 'toolsVersion' gets consumed by the managed side, so it's not unused. + // TODO: it should be moved into a namespace though. + //@ts-ignore + globalThis.toolsVersion = ts.versionMajorMinor; +} +if (typeof module !== "undefined" && module.exports) { + module.exports = ts; +} +var ts; +(function (ts) { + // The following are deprecations for the public API. Deprecated exports are removed from the compiler itself + // and compatible implementations are added here, along with an appropriate deprecation warning using + // the `@deprecated` JSDoc tag as well as the `Debug.deprecate` API. + // + // Deprecations fall into one of three categories: + // + // * "soft" - Soft deprecations are indicated with the `@deprecated` JSDoc Tag. + // * "warn" - Warning deprecations are indicated with the `@deprecated` JSDoc Tag and a diagnostic message (assuming a compatible host) + // * "error" - Error deprecations are indicated with the `@deprecated` JSDoc tag and will throw a `TypeError` when invoked. + // DEPRECATION: Node factory top-level exports + // DEPRECATION PLAN: + // - soft: 4.0 + // - warn: 4.1 + // - error: TBD + // #region Node factory top-level exports + // NOTE: These exports are deprecated in favor of using a `NodeFactory` instance and exist here purely for backwards compatibility reasons. + var factoryDeprecation = { since: "4.0", warnAfter: "4.1", message: "Use the appropriate method on 'ts.factory' or the 'factory' supplied by your transformation context instead." }; + /** @deprecated Use `factory.createNodeArray` or the factory supplied by your transformation context instead. */ + ts.createNodeArray = ts.Debug.deprecate(ts.factory.createNodeArray, factoryDeprecation); + /** @deprecated Use `factory.createNumericLiteral` or the factory supplied by your transformation context instead. */ + ts.createNumericLiteral = ts.Debug.deprecate(ts.factory.createNumericLiteral, factoryDeprecation); + /** @deprecated Use `factory.createBigIntLiteral` or the factory supplied by your transformation context instead. */ + ts.createBigIntLiteral = ts.Debug.deprecate(ts.factory.createBigIntLiteral, factoryDeprecation); + /** @deprecated Use `factory.createStringLiteral` or the factory supplied by your transformation context instead. */ + ts.createStringLiteral = ts.Debug.deprecate(ts.factory.createStringLiteral, factoryDeprecation); + /** @deprecated Use `factory.createStringLiteralFromNode` or the factory supplied by your transformation context instead. */ + ts.createStringLiteralFromNode = ts.Debug.deprecate(ts.factory.createStringLiteralFromNode, factoryDeprecation); + /** @deprecated Use `factory.createRegularExpressionLiteral` or the factory supplied by your transformation context instead. */ + ts.createRegularExpressionLiteral = ts.Debug.deprecate(ts.factory.createRegularExpressionLiteral, factoryDeprecation); + /** @deprecated Use `factory.createLoopVariable` or the factory supplied by your transformation context instead. */ + ts.createLoopVariable = ts.Debug.deprecate(ts.factory.createLoopVariable, factoryDeprecation); + /** @deprecated Use `factory.createUniqueName` or the factory supplied by your transformation context instead. */ + ts.createUniqueName = ts.Debug.deprecate(ts.factory.createUniqueName, factoryDeprecation); + /** @deprecated Use `factory.createPrivateIdentifier` or the factory supplied by your transformation context instead. */ + ts.createPrivateIdentifier = ts.Debug.deprecate(ts.factory.createPrivateIdentifier, factoryDeprecation); + /** @deprecated Use `factory.createSuper` or the factory supplied by your transformation context instead. */ + ts.createSuper = ts.Debug.deprecate(ts.factory.createSuper, factoryDeprecation); + /** @deprecated Use `factory.createThis` or the factory supplied by your transformation context instead. */ + ts.createThis = ts.Debug.deprecate(ts.factory.createThis, factoryDeprecation); + /** @deprecated Use `factory.createNull` or the factory supplied by your transformation context instead. */ + ts.createNull = ts.Debug.deprecate(ts.factory.createNull, factoryDeprecation); + /** @deprecated Use `factory.createTrue` or the factory supplied by your transformation context instead. */ + ts.createTrue = ts.Debug.deprecate(ts.factory.createTrue, factoryDeprecation); + /** @deprecated Use `factory.createFalse` or the factory supplied by your transformation context instead. */ + ts.createFalse = ts.Debug.deprecate(ts.factory.createFalse, factoryDeprecation); + /** @deprecated Use `factory.createModifier` or the factory supplied by your transformation context instead. */ + ts.createModifier = ts.Debug.deprecate(ts.factory.createModifier, factoryDeprecation); + /** @deprecated Use `factory.createModifiersFromModifierFlags` or the factory supplied by your transformation context instead. */ + ts.createModifiersFromModifierFlags = ts.Debug.deprecate(ts.factory.createModifiersFromModifierFlags, factoryDeprecation); + /** @deprecated Use `factory.createQualifiedName` or the factory supplied by your transformation context instead. */ + ts.createQualifiedName = ts.Debug.deprecate(ts.factory.createQualifiedName, factoryDeprecation); + /** @deprecated Use `factory.updateQualifiedName` or the factory supplied by your transformation context instead. */ + ts.updateQualifiedName = ts.Debug.deprecate(ts.factory.updateQualifiedName, factoryDeprecation); + /** @deprecated Use `factory.createComputedPropertyName` or the factory supplied by your transformation context instead. */ + ts.createComputedPropertyName = ts.Debug.deprecate(ts.factory.createComputedPropertyName, factoryDeprecation); + /** @deprecated Use `factory.updateComputedPropertyName` or the factory supplied by your transformation context instead. */ + ts.updateComputedPropertyName = ts.Debug.deprecate(ts.factory.updateComputedPropertyName, factoryDeprecation); + /** @deprecated Use `factory.createTypeParameterDeclaration` or the factory supplied by your transformation context instead. */ + ts.createTypeParameterDeclaration = ts.Debug.deprecate(ts.factory.createTypeParameterDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateTypeParameterDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateTypeParameterDeclaration = ts.Debug.deprecate(ts.factory.updateTypeParameterDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createParameterDeclaration` or the factory supplied by your transformation context instead. */ + ts.createParameter = ts.Debug.deprecate(ts.factory.createParameterDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateParameterDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateParameter = ts.Debug.deprecate(ts.factory.updateParameterDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createDecorator` or the factory supplied by your transformation context instead. */ + ts.createDecorator = ts.Debug.deprecate(ts.factory.createDecorator, factoryDeprecation); + /** @deprecated Use `factory.updateDecorator` or the factory supplied by your transformation context instead. */ + ts.updateDecorator = ts.Debug.deprecate(ts.factory.updateDecorator, factoryDeprecation); + /** @deprecated Use `factory.createPropertyDeclaration` or the factory supplied by your transformation context instead. */ + ts.createProperty = ts.Debug.deprecate(ts.factory.createPropertyDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updatePropertyDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateProperty = ts.Debug.deprecate(ts.factory.updatePropertyDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createMethodDeclaration` or the factory supplied by your transformation context instead. */ + ts.createMethod = ts.Debug.deprecate(ts.factory.createMethodDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateMethodDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateMethod = ts.Debug.deprecate(ts.factory.updateMethodDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createConstructorDeclaration` or the factory supplied by your transformation context instead. */ + ts.createConstructor = ts.Debug.deprecate(ts.factory.createConstructorDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateConstructorDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateConstructor = ts.Debug.deprecate(ts.factory.updateConstructorDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createGetAccessorDeclaration` or the factory supplied by your transformation context instead. */ + ts.createGetAccessor = ts.Debug.deprecate(ts.factory.createGetAccessorDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateGetAccessorDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateGetAccessor = ts.Debug.deprecate(ts.factory.updateGetAccessorDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createSetAccessorDeclaration` or the factory supplied by your transformation context instead. */ + ts.createSetAccessor = ts.Debug.deprecate(ts.factory.createSetAccessorDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateSetAccessorDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateSetAccessor = ts.Debug.deprecate(ts.factory.updateSetAccessorDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createCallSignature` or the factory supplied by your transformation context instead. */ + ts.createCallSignature = ts.Debug.deprecate(ts.factory.createCallSignature, factoryDeprecation); + /** @deprecated Use `factory.updateCallSignature` or the factory supplied by your transformation context instead. */ + ts.updateCallSignature = ts.Debug.deprecate(ts.factory.updateCallSignature, factoryDeprecation); + /** @deprecated Use `factory.createConstructSignature` or the factory supplied by your transformation context instead. */ + ts.createConstructSignature = ts.Debug.deprecate(ts.factory.createConstructSignature, factoryDeprecation); + /** @deprecated Use `factory.updateConstructSignature` or the factory supplied by your transformation context instead. */ + ts.updateConstructSignature = ts.Debug.deprecate(ts.factory.updateConstructSignature, factoryDeprecation); + /** @deprecated Use `factory.updateIndexSignature` or the factory supplied by your transformation context instead. */ + ts.updateIndexSignature = ts.Debug.deprecate(ts.factory.updateIndexSignature, factoryDeprecation); + /** @deprecated Use `factory.createKeywordTypeNode` or the factory supplied by your transformation context instead. */ + ts.createKeywordTypeNode = ts.Debug.deprecate(ts.factory.createKeywordTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createTypePredicateNode` or the factory supplied by your transformation context instead. */ + ts.createTypePredicateNodeWithModifier = ts.Debug.deprecate(ts.factory.createTypePredicateNode, factoryDeprecation); + /** @deprecated Use `factory.updateTypePredicateNode` or the factory supplied by your transformation context instead. */ + ts.updateTypePredicateNodeWithModifier = ts.Debug.deprecate(ts.factory.updateTypePredicateNode, factoryDeprecation); + /** @deprecated Use `factory.createTypeReferenceNode` or the factory supplied by your transformation context instead. */ + ts.createTypeReferenceNode = ts.Debug.deprecate(ts.factory.createTypeReferenceNode, factoryDeprecation); + /** @deprecated Use `factory.updateTypeReferenceNode` or the factory supplied by your transformation context instead. */ + ts.updateTypeReferenceNode = ts.Debug.deprecate(ts.factory.updateTypeReferenceNode, factoryDeprecation); + /** @deprecated Use `factory.createFunctionTypeNode` or the factory supplied by your transformation context instead. */ + ts.createFunctionTypeNode = ts.Debug.deprecate(ts.factory.createFunctionTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateFunctionTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateFunctionTypeNode = ts.Debug.deprecate(ts.factory.updateFunctionTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createConstructorTypeNode` or the factory supplied by your transformation context instead. */ + ts.createConstructorTypeNode = ts.Debug.deprecate(function (typeParameters, parameters, type) { + return ts.factory.createConstructorTypeNode(/*modifiers*/ undefined, typeParameters, parameters, type); + }, factoryDeprecation); + /** @deprecated Use `factory.updateConstructorTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateConstructorTypeNode = ts.Debug.deprecate(function (node, typeParameters, parameters, type) { + return ts.factory.updateConstructorTypeNode(node, node.modifiers, typeParameters, parameters, type); + }, factoryDeprecation); + /** @deprecated Use `factory.createTypeQueryNode` or the factory supplied by your transformation context instead. */ + ts.createTypeQueryNode = ts.Debug.deprecate(ts.factory.createTypeQueryNode, factoryDeprecation); + /** @deprecated Use `factory.updateTypeQueryNode` or the factory supplied by your transformation context instead. */ + ts.updateTypeQueryNode = ts.Debug.deprecate(ts.factory.updateTypeQueryNode, factoryDeprecation); + /** @deprecated Use `factory.createTypeLiteralNode` or the factory supplied by your transformation context instead. */ + ts.createTypeLiteralNode = ts.Debug.deprecate(ts.factory.createTypeLiteralNode, factoryDeprecation); + /** @deprecated Use `factory.updateTypeLiteralNode` or the factory supplied by your transformation context instead. */ + ts.updateTypeLiteralNode = ts.Debug.deprecate(ts.factory.updateTypeLiteralNode, factoryDeprecation); + /** @deprecated Use `factory.createArrayTypeNode` or the factory supplied by your transformation context instead. */ + ts.createArrayTypeNode = ts.Debug.deprecate(ts.factory.createArrayTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateArrayTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateArrayTypeNode = ts.Debug.deprecate(ts.factory.updateArrayTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createTupleTypeNode` or the factory supplied by your transformation context instead. */ + ts.createTupleTypeNode = ts.Debug.deprecate(ts.factory.createTupleTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateTupleTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateTupleTypeNode = ts.Debug.deprecate(ts.factory.updateTupleTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createOptionalTypeNode` or the factory supplied by your transformation context instead. */ + ts.createOptionalTypeNode = ts.Debug.deprecate(ts.factory.createOptionalTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateOptionalTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateOptionalTypeNode = ts.Debug.deprecate(ts.factory.updateOptionalTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createRestTypeNode` or the factory supplied by your transformation context instead. */ + ts.createRestTypeNode = ts.Debug.deprecate(ts.factory.createRestTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateRestTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateRestTypeNode = ts.Debug.deprecate(ts.factory.updateRestTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createUnionTypeNode` or the factory supplied by your transformation context instead. */ + ts.createUnionTypeNode = ts.Debug.deprecate(ts.factory.createUnionTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateUnionTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateUnionTypeNode = ts.Debug.deprecate(ts.factory.updateUnionTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createIntersectionTypeNode` or the factory supplied by your transformation context instead. */ + ts.createIntersectionTypeNode = ts.Debug.deprecate(ts.factory.createIntersectionTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateIntersectionTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateIntersectionTypeNode = ts.Debug.deprecate(ts.factory.updateIntersectionTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createConditionalTypeNode` or the factory supplied by your transformation context instead. */ + ts.createConditionalTypeNode = ts.Debug.deprecate(ts.factory.createConditionalTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateConditionalTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateConditionalTypeNode = ts.Debug.deprecate(ts.factory.updateConditionalTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createInferTypeNode` or the factory supplied by your transformation context instead. */ + ts.createInferTypeNode = ts.Debug.deprecate(ts.factory.createInferTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateInferTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateInferTypeNode = ts.Debug.deprecate(ts.factory.updateInferTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createImportTypeNode` or the factory supplied by your transformation context instead. */ + ts.createImportTypeNode = ts.Debug.deprecate(ts.factory.createImportTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateImportTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateImportTypeNode = ts.Debug.deprecate(ts.factory.updateImportTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createParenthesizedType` or the factory supplied by your transformation context instead. */ + ts.createParenthesizedType = ts.Debug.deprecate(ts.factory.createParenthesizedType, factoryDeprecation); + /** @deprecated Use `factory.updateParenthesizedType` or the factory supplied by your transformation context instead. */ + ts.updateParenthesizedType = ts.Debug.deprecate(ts.factory.updateParenthesizedType, factoryDeprecation); + /** @deprecated Use `factory.createThisTypeNode` or the factory supplied by your transformation context instead. */ + ts.createThisTypeNode = ts.Debug.deprecate(ts.factory.createThisTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateTypeOperatorNode` or the factory supplied by your transformation context instead. */ + ts.updateTypeOperatorNode = ts.Debug.deprecate(ts.factory.updateTypeOperatorNode, factoryDeprecation); + /** @deprecated Use `factory.createIndexedAccessTypeNode` or the factory supplied by your transformation context instead. */ + ts.createIndexedAccessTypeNode = ts.Debug.deprecate(ts.factory.createIndexedAccessTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateIndexedAccessTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateIndexedAccessTypeNode = ts.Debug.deprecate(ts.factory.updateIndexedAccessTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createMappedTypeNode` or the factory supplied by your transformation context instead. */ + ts.createMappedTypeNode = ts.Debug.deprecate(ts.factory.createMappedTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateMappedTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateMappedTypeNode = ts.Debug.deprecate(ts.factory.updateMappedTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createLiteralTypeNode` or the factory supplied by your transformation context instead. */ + ts.createLiteralTypeNode = ts.Debug.deprecate(ts.factory.createLiteralTypeNode, factoryDeprecation); + /** @deprecated Use `factory.updateLiteralTypeNode` or the factory supplied by your transformation context instead. */ + ts.updateLiteralTypeNode = ts.Debug.deprecate(ts.factory.updateLiteralTypeNode, factoryDeprecation); + /** @deprecated Use `factory.createObjectBindingPattern` or the factory supplied by your transformation context instead. */ + ts.createObjectBindingPattern = ts.Debug.deprecate(ts.factory.createObjectBindingPattern, factoryDeprecation); + /** @deprecated Use `factory.updateObjectBindingPattern` or the factory supplied by your transformation context instead. */ + ts.updateObjectBindingPattern = ts.Debug.deprecate(ts.factory.updateObjectBindingPattern, factoryDeprecation); + /** @deprecated Use `factory.createArrayBindingPattern` or the factory supplied by your transformation context instead. */ + ts.createArrayBindingPattern = ts.Debug.deprecate(ts.factory.createArrayBindingPattern, factoryDeprecation); + /** @deprecated Use `factory.updateArrayBindingPattern` or the factory supplied by your transformation context instead. */ + ts.updateArrayBindingPattern = ts.Debug.deprecate(ts.factory.updateArrayBindingPattern, factoryDeprecation); + /** @deprecated Use `factory.createBindingElement` or the factory supplied by your transformation context instead. */ + ts.createBindingElement = ts.Debug.deprecate(ts.factory.createBindingElement, factoryDeprecation); + /** @deprecated Use `factory.updateBindingElement` or the factory supplied by your transformation context instead. */ + ts.updateBindingElement = ts.Debug.deprecate(ts.factory.updateBindingElement, factoryDeprecation); + /** @deprecated Use `factory.createArrayLiteralExpression` or the factory supplied by your transformation context instead. */ + ts.createArrayLiteral = ts.Debug.deprecate(ts.factory.createArrayLiteralExpression, factoryDeprecation); + /** @deprecated Use `factory.updateArrayLiteralExpression` or the factory supplied by your transformation context instead. */ + ts.updateArrayLiteral = ts.Debug.deprecate(ts.factory.updateArrayLiteralExpression, factoryDeprecation); + /** @deprecated Use `factory.createObjectLiteralExpression` or the factory supplied by your transformation context instead. */ + ts.createObjectLiteral = ts.Debug.deprecate(ts.factory.createObjectLiteralExpression, factoryDeprecation); + /** @deprecated Use `factory.updateObjectLiteralExpression` or the factory supplied by your transformation context instead. */ + ts.updateObjectLiteral = ts.Debug.deprecate(ts.factory.updateObjectLiteralExpression, factoryDeprecation); + /** @deprecated Use `factory.createPropertyAccessExpression` or the factory supplied by your transformation context instead. */ + ts.createPropertyAccess = ts.Debug.deprecate(ts.factory.createPropertyAccessExpression, factoryDeprecation); + /** @deprecated Use `factory.updatePropertyAccessExpression` or the factory supplied by your transformation context instead. */ + ts.updatePropertyAccess = ts.Debug.deprecate(ts.factory.updatePropertyAccessExpression, factoryDeprecation); + /** @deprecated Use `factory.createPropertyAccessChain` or the factory supplied by your transformation context instead. */ + ts.createPropertyAccessChain = ts.Debug.deprecate(ts.factory.createPropertyAccessChain, factoryDeprecation); + /** @deprecated Use `factory.updatePropertyAccessChain` or the factory supplied by your transformation context instead. */ + ts.updatePropertyAccessChain = ts.Debug.deprecate(ts.factory.updatePropertyAccessChain, factoryDeprecation); + /** @deprecated Use `factory.createElementAccessExpression` or the factory supplied by your transformation context instead. */ + ts.createElementAccess = ts.Debug.deprecate(ts.factory.createElementAccessExpression, factoryDeprecation); + /** @deprecated Use `factory.updateElementAccessExpression` or the factory supplied by your transformation context instead. */ + ts.updateElementAccess = ts.Debug.deprecate(ts.factory.updateElementAccessExpression, factoryDeprecation); + /** @deprecated Use `factory.createElementAccessChain` or the factory supplied by your transformation context instead. */ + ts.createElementAccessChain = ts.Debug.deprecate(ts.factory.createElementAccessChain, factoryDeprecation); + /** @deprecated Use `factory.updateElementAccessChain` or the factory supplied by your transformation context instead. */ + ts.updateElementAccessChain = ts.Debug.deprecate(ts.factory.updateElementAccessChain, factoryDeprecation); + /** @deprecated Use `factory.createCallExpression` or the factory supplied by your transformation context instead. */ + ts.createCall = ts.Debug.deprecate(ts.factory.createCallExpression, factoryDeprecation); + /** @deprecated Use `factory.updateCallExpression` or the factory supplied by your transformation context instead. */ + ts.updateCall = ts.Debug.deprecate(ts.factory.updateCallExpression, factoryDeprecation); + /** @deprecated Use `factory.createCallChain` or the factory supplied by your transformation context instead. */ + ts.createCallChain = ts.Debug.deprecate(ts.factory.createCallChain, factoryDeprecation); + /** @deprecated Use `factory.updateCallChain` or the factory supplied by your transformation context instead. */ + ts.updateCallChain = ts.Debug.deprecate(ts.factory.updateCallChain, factoryDeprecation); + /** @deprecated Use `factory.createNewExpression` or the factory supplied by your transformation context instead. */ + ts.createNew = ts.Debug.deprecate(ts.factory.createNewExpression, factoryDeprecation); + /** @deprecated Use `factory.updateNewExpression` or the factory supplied by your transformation context instead. */ + ts.updateNew = ts.Debug.deprecate(ts.factory.updateNewExpression, factoryDeprecation); + /** @deprecated Use `factory.createTypeAssertion` or the factory supplied by your transformation context instead. */ + ts.createTypeAssertion = ts.Debug.deprecate(ts.factory.createTypeAssertion, factoryDeprecation); + /** @deprecated Use `factory.updateTypeAssertion` or the factory supplied by your transformation context instead. */ + ts.updateTypeAssertion = ts.Debug.deprecate(ts.factory.updateTypeAssertion, factoryDeprecation); + /** @deprecated Use `factory.createParenthesizedExpression` or the factory supplied by your transformation context instead. */ + ts.createParen = ts.Debug.deprecate(ts.factory.createParenthesizedExpression, factoryDeprecation); + /** @deprecated Use `factory.updateParenthesizedExpression` or the factory supplied by your transformation context instead. */ + ts.updateParen = ts.Debug.deprecate(ts.factory.updateParenthesizedExpression, factoryDeprecation); + /** @deprecated Use `factory.createFunctionExpression` or the factory supplied by your transformation context instead. */ + ts.createFunctionExpression = ts.Debug.deprecate(ts.factory.createFunctionExpression, factoryDeprecation); + /** @deprecated Use `factory.updateFunctionExpression` or the factory supplied by your transformation context instead. */ + ts.updateFunctionExpression = ts.Debug.deprecate(ts.factory.updateFunctionExpression, factoryDeprecation); + /** @deprecated Use `factory.createDeleteExpression` or the factory supplied by your transformation context instead. */ + ts.createDelete = ts.Debug.deprecate(ts.factory.createDeleteExpression, factoryDeprecation); + /** @deprecated Use `factory.updateDeleteExpression` or the factory supplied by your transformation context instead. */ + ts.updateDelete = ts.Debug.deprecate(ts.factory.updateDeleteExpression, factoryDeprecation); + /** @deprecated Use `factory.createTypeOfExpression` or the factory supplied by your transformation context instead. */ + ts.createTypeOf = ts.Debug.deprecate(ts.factory.createTypeOfExpression, factoryDeprecation); + /** @deprecated Use `factory.updateTypeOfExpression` or the factory supplied by your transformation context instead. */ + ts.updateTypeOf = ts.Debug.deprecate(ts.factory.updateTypeOfExpression, factoryDeprecation); + /** @deprecated Use `factory.createVoidExpression` or the factory supplied by your transformation context instead. */ + ts.createVoid = ts.Debug.deprecate(ts.factory.createVoidExpression, factoryDeprecation); + /** @deprecated Use `factory.updateVoidExpression` or the factory supplied by your transformation context instead. */ + ts.updateVoid = ts.Debug.deprecate(ts.factory.updateVoidExpression, factoryDeprecation); + /** @deprecated Use `factory.createAwaitExpression` or the factory supplied by your transformation context instead. */ + ts.createAwait = ts.Debug.deprecate(ts.factory.createAwaitExpression, factoryDeprecation); + /** @deprecated Use `factory.updateAwaitExpression` or the factory supplied by your transformation context instead. */ + ts.updateAwait = ts.Debug.deprecate(ts.factory.updateAwaitExpression, factoryDeprecation); + /** @deprecated Use `factory.createPrefixExpression` or the factory supplied by your transformation context instead. */ + ts.createPrefix = ts.Debug.deprecate(ts.factory.createPrefixUnaryExpression, factoryDeprecation); + /** @deprecated Use `factory.updatePrefixExpression` or the factory supplied by your transformation context instead. */ + ts.updatePrefix = ts.Debug.deprecate(ts.factory.updatePrefixUnaryExpression, factoryDeprecation); + /** @deprecated Use `factory.createPostfixUnaryExpression` or the factory supplied by your transformation context instead. */ + ts.createPostfix = ts.Debug.deprecate(ts.factory.createPostfixUnaryExpression, factoryDeprecation); + /** @deprecated Use `factory.updatePostfixUnaryExpression` or the factory supplied by your transformation context instead. */ + ts.updatePostfix = ts.Debug.deprecate(ts.factory.updatePostfixUnaryExpression, factoryDeprecation); + /** @deprecated Use `factory.createBinaryExpression` or the factory supplied by your transformation context instead. */ + ts.createBinary = ts.Debug.deprecate(ts.factory.createBinaryExpression, factoryDeprecation); + /** @deprecated Use `factory.updateConditionalExpression` or the factory supplied by your transformation context instead. */ + ts.updateConditional = ts.Debug.deprecate(ts.factory.updateConditionalExpression, factoryDeprecation); + /** @deprecated Use `factory.createTemplateExpression` or the factory supplied by your transformation context instead. */ + ts.createTemplateExpression = ts.Debug.deprecate(ts.factory.createTemplateExpression, factoryDeprecation); + /** @deprecated Use `factory.updateTemplateExpression` or the factory supplied by your transformation context instead. */ + ts.updateTemplateExpression = ts.Debug.deprecate(ts.factory.updateTemplateExpression, factoryDeprecation); + /** @deprecated Use `factory.createTemplateHead` or the factory supplied by your transformation context instead. */ + ts.createTemplateHead = ts.Debug.deprecate(ts.factory.createTemplateHead, factoryDeprecation); + /** @deprecated Use `factory.createTemplateMiddle` or the factory supplied by your transformation context instead. */ + ts.createTemplateMiddle = ts.Debug.deprecate(ts.factory.createTemplateMiddle, factoryDeprecation); + /** @deprecated Use `factory.createTemplateTail` or the factory supplied by your transformation context instead. */ + ts.createTemplateTail = ts.Debug.deprecate(ts.factory.createTemplateTail, factoryDeprecation); + /** @deprecated Use `factory.createNoSubstitutionTemplateLiteral` or the factory supplied by your transformation context instead. */ + ts.createNoSubstitutionTemplateLiteral = ts.Debug.deprecate(ts.factory.createNoSubstitutionTemplateLiteral, factoryDeprecation); + /** @deprecated Use `factory.updateYieldExpression` or the factory supplied by your transformation context instead. */ + ts.updateYield = ts.Debug.deprecate(ts.factory.updateYieldExpression, factoryDeprecation); + /** @deprecated Use `factory.createSpreadExpression` or the factory supplied by your transformation context instead. */ + ts.createSpread = ts.Debug.deprecate(ts.factory.createSpreadElement, factoryDeprecation); + /** @deprecated Use `factory.updateSpreadExpression` or the factory supplied by your transformation context instead. */ + ts.updateSpread = ts.Debug.deprecate(ts.factory.updateSpreadElement, factoryDeprecation); + /** @deprecated Use `factory.createOmittedExpression` or the factory supplied by your transformation context instead. */ + ts.createOmittedExpression = ts.Debug.deprecate(ts.factory.createOmittedExpression, factoryDeprecation); + /** @deprecated Use `factory.createAsExpression` or the factory supplied by your transformation context instead. */ + ts.createAsExpression = ts.Debug.deprecate(ts.factory.createAsExpression, factoryDeprecation); + /** @deprecated Use `factory.updateAsExpression` or the factory supplied by your transformation context instead. */ + ts.updateAsExpression = ts.Debug.deprecate(ts.factory.updateAsExpression, factoryDeprecation); + /** @deprecated Use `factory.createNonNullExpression` or the factory supplied by your transformation context instead. */ + ts.createNonNullExpression = ts.Debug.deprecate(ts.factory.createNonNullExpression, factoryDeprecation); + /** @deprecated Use `factory.updateNonNullExpression` or the factory supplied by your transformation context instead. */ + ts.updateNonNullExpression = ts.Debug.deprecate(ts.factory.updateNonNullExpression, factoryDeprecation); + /** @deprecated Use `factory.createNonNullChain` or the factory supplied by your transformation context instead. */ + ts.createNonNullChain = ts.Debug.deprecate(ts.factory.createNonNullChain, factoryDeprecation); + /** @deprecated Use `factory.updateNonNullChain` or the factory supplied by your transformation context instead. */ + ts.updateNonNullChain = ts.Debug.deprecate(ts.factory.updateNonNullChain, factoryDeprecation); + /** @deprecated Use `factory.createMetaProperty` or the factory supplied by your transformation context instead. */ + ts.createMetaProperty = ts.Debug.deprecate(ts.factory.createMetaProperty, factoryDeprecation); + /** @deprecated Use `factory.updateMetaProperty` or the factory supplied by your transformation context instead. */ + ts.updateMetaProperty = ts.Debug.deprecate(ts.factory.updateMetaProperty, factoryDeprecation); + /** @deprecated Use `factory.createTemplateSpan` or the factory supplied by your transformation context instead. */ + ts.createTemplateSpan = ts.Debug.deprecate(ts.factory.createTemplateSpan, factoryDeprecation); + /** @deprecated Use `factory.updateTemplateSpan` or the factory supplied by your transformation context instead. */ + ts.updateTemplateSpan = ts.Debug.deprecate(ts.factory.updateTemplateSpan, factoryDeprecation); + /** @deprecated Use `factory.createSemicolonClassElement` or the factory supplied by your transformation context instead. */ + ts.createSemicolonClassElement = ts.Debug.deprecate(ts.factory.createSemicolonClassElement, factoryDeprecation); + /** @deprecated Use `factory.createBlock` or the factory supplied by your transformation context instead. */ + ts.createBlock = ts.Debug.deprecate(ts.factory.createBlock, factoryDeprecation); + /** @deprecated Use `factory.updateBlock` or the factory supplied by your transformation context instead. */ + ts.updateBlock = ts.Debug.deprecate(ts.factory.updateBlock, factoryDeprecation); + /** @deprecated Use `factory.createVariableStatement` or the factory supplied by your transformation context instead. */ + ts.createVariableStatement = ts.Debug.deprecate(ts.factory.createVariableStatement, factoryDeprecation); + /** @deprecated Use `factory.updateVariableStatement` or the factory supplied by your transformation context instead. */ + ts.updateVariableStatement = ts.Debug.deprecate(ts.factory.updateVariableStatement, factoryDeprecation); + /** @deprecated Use `factory.createEmptyStatement` or the factory supplied by your transformation context instead. */ + ts.createEmptyStatement = ts.Debug.deprecate(ts.factory.createEmptyStatement, factoryDeprecation); + /** @deprecated Use `factory.createExpressionStatement` or the factory supplied by your transformation context instead. */ + ts.createExpressionStatement = ts.Debug.deprecate(ts.factory.createExpressionStatement, factoryDeprecation); + /** @deprecated Use `factory.updateExpressionStatement` or the factory supplied by your transformation context instead. */ + ts.updateExpressionStatement = ts.Debug.deprecate(ts.factory.updateExpressionStatement, factoryDeprecation); + /** @deprecated Use `factory.createExpressionStatement` or the factory supplied by your transformation context instead. */ + ts.createStatement = ts.Debug.deprecate(ts.factory.createExpressionStatement, factoryDeprecation); + /** @deprecated Use `factory.updateExpressionStatement` or the factory supplied by your transformation context instead. */ + ts.updateStatement = ts.Debug.deprecate(ts.factory.updateExpressionStatement, factoryDeprecation); + /** @deprecated Use `factory.createIfStatement` or the factory supplied by your transformation context instead. */ + ts.createIf = ts.Debug.deprecate(ts.factory.createIfStatement, factoryDeprecation); + /** @deprecated Use `factory.updateIfStatement` or the factory supplied by your transformation context instead. */ + ts.updateIf = ts.Debug.deprecate(ts.factory.updateIfStatement, factoryDeprecation); + /** @deprecated Use `factory.createDoStatement` or the factory supplied by your transformation context instead. */ + ts.createDo = ts.Debug.deprecate(ts.factory.createDoStatement, factoryDeprecation); + /** @deprecated Use `factory.updateDoStatement` or the factory supplied by your transformation context instead. */ + ts.updateDo = ts.Debug.deprecate(ts.factory.updateDoStatement, factoryDeprecation); + /** @deprecated Use `factory.createWhileStatement` or the factory supplied by your transformation context instead. */ + ts.createWhile = ts.Debug.deprecate(ts.factory.createWhileStatement, factoryDeprecation); + /** @deprecated Use `factory.updateWhileStatement` or the factory supplied by your transformation context instead. */ + ts.updateWhile = ts.Debug.deprecate(ts.factory.updateWhileStatement, factoryDeprecation); + /** @deprecated Use `factory.createForStatement` or the factory supplied by your transformation context instead. */ + ts.createFor = ts.Debug.deprecate(ts.factory.createForStatement, factoryDeprecation); + /** @deprecated Use `factory.updateForStatement` or the factory supplied by your transformation context instead. */ + ts.updateFor = ts.Debug.deprecate(ts.factory.updateForStatement, factoryDeprecation); + /** @deprecated Use `factory.createForInStatement` or the factory supplied by your transformation context instead. */ + ts.createForIn = ts.Debug.deprecate(ts.factory.createForInStatement, factoryDeprecation); + /** @deprecated Use `factory.updateForInStatement` or the factory supplied by your transformation context instead. */ + ts.updateForIn = ts.Debug.deprecate(ts.factory.updateForInStatement, factoryDeprecation); + /** @deprecated Use `factory.createForOfStatement` or the factory supplied by your transformation context instead. */ + ts.createForOf = ts.Debug.deprecate(ts.factory.createForOfStatement, factoryDeprecation); + /** @deprecated Use `factory.updateForOfStatement` or the factory supplied by your transformation context instead. */ + ts.updateForOf = ts.Debug.deprecate(ts.factory.updateForOfStatement, factoryDeprecation); + /** @deprecated Use `factory.createContinueStatement` or the factory supplied by your transformation context instead. */ + ts.createContinue = ts.Debug.deprecate(ts.factory.createContinueStatement, factoryDeprecation); + /** @deprecated Use `factory.updateContinueStatement` or the factory supplied by your transformation context instead. */ + ts.updateContinue = ts.Debug.deprecate(ts.factory.updateContinueStatement, factoryDeprecation); + /** @deprecated Use `factory.createBreakStatement` or the factory supplied by your transformation context instead. */ + ts.createBreak = ts.Debug.deprecate(ts.factory.createBreakStatement, factoryDeprecation); + /** @deprecated Use `factory.updateBreakStatement` or the factory supplied by your transformation context instead. */ + ts.updateBreak = ts.Debug.deprecate(ts.factory.updateBreakStatement, factoryDeprecation); + /** @deprecated Use `factory.createReturnStatement` or the factory supplied by your transformation context instead. */ + ts.createReturn = ts.Debug.deprecate(ts.factory.createReturnStatement, factoryDeprecation); + /** @deprecated Use `factory.updateReturnStatement` or the factory supplied by your transformation context instead. */ + ts.updateReturn = ts.Debug.deprecate(ts.factory.updateReturnStatement, factoryDeprecation); + /** @deprecated Use `factory.createWithStatement` or the factory supplied by your transformation context instead. */ + ts.createWith = ts.Debug.deprecate(ts.factory.createWithStatement, factoryDeprecation); + /** @deprecated Use `factory.updateWithStatement` or the factory supplied by your transformation context instead. */ + ts.updateWith = ts.Debug.deprecate(ts.factory.updateWithStatement, factoryDeprecation); + /** @deprecated Use `factory.createSwitchStatement` or the factory supplied by your transformation context instead. */ + ts.createSwitch = ts.Debug.deprecate(ts.factory.createSwitchStatement, factoryDeprecation); + /** @deprecated Use `factory.updateSwitchStatement` or the factory supplied by your transformation context instead. */ + ts.updateSwitch = ts.Debug.deprecate(ts.factory.updateSwitchStatement, factoryDeprecation); + /** @deprecated Use `factory.createLabelStatement` or the factory supplied by your transformation context instead. */ + ts.createLabel = ts.Debug.deprecate(ts.factory.createLabeledStatement, factoryDeprecation); + /** @deprecated Use `factory.updateLabelStatement` or the factory supplied by your transformation context instead. */ + ts.updateLabel = ts.Debug.deprecate(ts.factory.updateLabeledStatement, factoryDeprecation); + /** @deprecated Use `factory.createThrowStatement` or the factory supplied by your transformation context instead. */ + ts.createThrow = ts.Debug.deprecate(ts.factory.createThrowStatement, factoryDeprecation); + /** @deprecated Use `factory.updateThrowStatement` or the factory supplied by your transformation context instead. */ + ts.updateThrow = ts.Debug.deprecate(ts.factory.updateThrowStatement, factoryDeprecation); + /** @deprecated Use `factory.createTryStatement` or the factory supplied by your transformation context instead. */ + ts.createTry = ts.Debug.deprecate(ts.factory.createTryStatement, factoryDeprecation); + /** @deprecated Use `factory.updateTryStatement` or the factory supplied by your transformation context instead. */ + ts.updateTry = ts.Debug.deprecate(ts.factory.updateTryStatement, factoryDeprecation); + /** @deprecated Use `factory.createDebuggerStatement` or the factory supplied by your transformation context instead. */ + ts.createDebuggerStatement = ts.Debug.deprecate(ts.factory.createDebuggerStatement, factoryDeprecation); + /** @deprecated Use `factory.createVariableDeclarationList` or the factory supplied by your transformation context instead. */ + ts.createVariableDeclarationList = ts.Debug.deprecate(ts.factory.createVariableDeclarationList, factoryDeprecation); + /** @deprecated Use `factory.updateVariableDeclarationList` or the factory supplied by your transformation context instead. */ + ts.updateVariableDeclarationList = ts.Debug.deprecate(ts.factory.updateVariableDeclarationList, factoryDeprecation); + /** @deprecated Use `factory.createFunctionDeclaration` or the factory supplied by your transformation context instead. */ + ts.createFunctionDeclaration = ts.Debug.deprecate(ts.factory.createFunctionDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateFunctionDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateFunctionDeclaration = ts.Debug.deprecate(ts.factory.updateFunctionDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createClassDeclaration` or the factory supplied by your transformation context instead. */ + ts.createClassDeclaration = ts.Debug.deprecate(ts.factory.createClassDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateClassDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateClassDeclaration = ts.Debug.deprecate(ts.factory.updateClassDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createInterfaceDeclaration` or the factory supplied by your transformation context instead. */ + ts.createInterfaceDeclaration = ts.Debug.deprecate(ts.factory.createInterfaceDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateInterfaceDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateInterfaceDeclaration = ts.Debug.deprecate(ts.factory.updateInterfaceDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createTypeAliasDeclaration` or the factory supplied by your transformation context instead. */ + ts.createTypeAliasDeclaration = ts.Debug.deprecate(ts.factory.createTypeAliasDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateTypeAliasDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateTypeAliasDeclaration = ts.Debug.deprecate(ts.factory.updateTypeAliasDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createEnumDeclaration` or the factory supplied by your transformation context instead. */ + ts.createEnumDeclaration = ts.Debug.deprecate(ts.factory.createEnumDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateEnumDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateEnumDeclaration = ts.Debug.deprecate(ts.factory.updateEnumDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createModuleDeclaration` or the factory supplied by your transformation context instead. */ + ts.createModuleDeclaration = ts.Debug.deprecate(ts.factory.createModuleDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateModuleDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateModuleDeclaration = ts.Debug.deprecate(ts.factory.updateModuleDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createModuleBlock` or the factory supplied by your transformation context instead. */ + ts.createModuleBlock = ts.Debug.deprecate(ts.factory.createModuleBlock, factoryDeprecation); + /** @deprecated Use `factory.updateModuleBlock` or the factory supplied by your transformation context instead. */ + ts.updateModuleBlock = ts.Debug.deprecate(ts.factory.updateModuleBlock, factoryDeprecation); + /** @deprecated Use `factory.createCaseBlock` or the factory supplied by your transformation context instead. */ + ts.createCaseBlock = ts.Debug.deprecate(ts.factory.createCaseBlock, factoryDeprecation); + /** @deprecated Use `factory.updateCaseBlock` or the factory supplied by your transformation context instead. */ + ts.updateCaseBlock = ts.Debug.deprecate(ts.factory.updateCaseBlock, factoryDeprecation); + /** @deprecated Use `factory.createNamespaceExportDeclaration` or the factory supplied by your transformation context instead. */ + ts.createNamespaceExportDeclaration = ts.Debug.deprecate(ts.factory.createNamespaceExportDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateNamespaceExportDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateNamespaceExportDeclaration = ts.Debug.deprecate(ts.factory.updateNamespaceExportDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createImportEqualsDeclaration` or the factory supplied by your transformation context instead. */ + ts.createImportEqualsDeclaration = ts.Debug.deprecate(ts.factory.createImportEqualsDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateImportEqualsDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateImportEqualsDeclaration = ts.Debug.deprecate(ts.factory.updateImportEqualsDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createImportDeclaration` or the factory supplied by your transformation context instead. */ + ts.createImportDeclaration = ts.Debug.deprecate(ts.factory.createImportDeclaration, factoryDeprecation); + /** @deprecated Use `factory.updateImportDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateImportDeclaration = ts.Debug.deprecate(ts.factory.updateImportDeclaration, factoryDeprecation); + /** @deprecated Use `factory.createNamespaceImport` or the factory supplied by your transformation context instead. */ + ts.createNamespaceImport = ts.Debug.deprecate(ts.factory.createNamespaceImport, factoryDeprecation); + /** @deprecated Use `factory.updateNamespaceImport` or the factory supplied by your transformation context instead. */ + ts.updateNamespaceImport = ts.Debug.deprecate(ts.factory.updateNamespaceImport, factoryDeprecation); + /** @deprecated Use `factory.createNamedImports` or the factory supplied by your transformation context instead. */ + ts.createNamedImports = ts.Debug.deprecate(ts.factory.createNamedImports, factoryDeprecation); + /** @deprecated Use `factory.updateNamedImports` or the factory supplied by your transformation context instead. */ + ts.updateNamedImports = ts.Debug.deprecate(ts.factory.updateNamedImports, factoryDeprecation); + /** @deprecated Use `factory.createImportSpecifier` or the factory supplied by your transformation context instead. */ + ts.createImportSpecifier = ts.Debug.deprecate(ts.factory.createImportSpecifier, factoryDeprecation); + /** @deprecated Use `factory.updateImportSpecifier` or the factory supplied by your transformation context instead. */ + ts.updateImportSpecifier = ts.Debug.deprecate(ts.factory.updateImportSpecifier, factoryDeprecation); + /** @deprecated Use `factory.createExportAssignment` or the factory supplied by your transformation context instead. */ + ts.createExportAssignment = ts.Debug.deprecate(ts.factory.createExportAssignment, factoryDeprecation); + /** @deprecated Use `factory.updateExportAssignment` or the factory supplied by your transformation context instead. */ + ts.updateExportAssignment = ts.Debug.deprecate(ts.factory.updateExportAssignment, factoryDeprecation); + /** @deprecated Use `factory.createNamedExports` or the factory supplied by your transformation context instead. */ + ts.createNamedExports = ts.Debug.deprecate(ts.factory.createNamedExports, factoryDeprecation); + /** @deprecated Use `factory.updateNamedExports` or the factory supplied by your transformation context instead. */ + ts.updateNamedExports = ts.Debug.deprecate(ts.factory.updateNamedExports, factoryDeprecation); + /** @deprecated Use `factory.createExportSpecifier` or the factory supplied by your transformation context instead. */ + ts.createExportSpecifier = ts.Debug.deprecate(ts.factory.createExportSpecifier, factoryDeprecation); + /** @deprecated Use `factory.updateExportSpecifier` or the factory supplied by your transformation context instead. */ + ts.updateExportSpecifier = ts.Debug.deprecate(ts.factory.updateExportSpecifier, factoryDeprecation); + /** @deprecated Use `factory.createExternalModuleReference` or the factory supplied by your transformation context instead. */ + ts.createExternalModuleReference = ts.Debug.deprecate(ts.factory.createExternalModuleReference, factoryDeprecation); + /** @deprecated Use `factory.updateExternalModuleReference` or the factory supplied by your transformation context instead. */ + ts.updateExternalModuleReference = ts.Debug.deprecate(ts.factory.updateExternalModuleReference, factoryDeprecation); + /** @deprecated Use `factory.createJSDocTypeExpression` or the factory supplied by your transformation context instead. */ + ts.createJSDocTypeExpression = ts.Debug.deprecate(ts.factory.createJSDocTypeExpression, factoryDeprecation); + /** @deprecated Use `factory.createJSDocTypeTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocTypeTag = ts.Debug.deprecate(ts.factory.createJSDocTypeTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocReturnTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocReturnTag = ts.Debug.deprecate(ts.factory.createJSDocReturnTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocThisTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocThisTag = ts.Debug.deprecate(ts.factory.createJSDocThisTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocComment` or the factory supplied by your transformation context instead. */ + ts.createJSDocComment = ts.Debug.deprecate(ts.factory.createJSDocComment, factoryDeprecation); + /** @deprecated Use `factory.createJSDocParameterTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocParameterTag = ts.Debug.deprecate(ts.factory.createJSDocParameterTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocClassTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocClassTag = ts.Debug.deprecate(ts.factory.createJSDocClassTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocAugmentsTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocAugmentsTag = ts.Debug.deprecate(ts.factory.createJSDocAugmentsTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocEnumTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocEnumTag = ts.Debug.deprecate(ts.factory.createJSDocEnumTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocTemplateTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocTemplateTag = ts.Debug.deprecate(ts.factory.createJSDocTemplateTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocTypedefTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocTypedefTag = ts.Debug.deprecate(ts.factory.createJSDocTypedefTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocCallbackTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocCallbackTag = ts.Debug.deprecate(ts.factory.createJSDocCallbackTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocSignature` or the factory supplied by your transformation context instead. */ + ts.createJSDocSignature = ts.Debug.deprecate(ts.factory.createJSDocSignature, factoryDeprecation); + /** @deprecated Use `factory.createJSDocPropertyTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocPropertyTag = ts.Debug.deprecate(ts.factory.createJSDocPropertyTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocTypeLiteral` or the factory supplied by your transformation context instead. */ + ts.createJSDocTypeLiteral = ts.Debug.deprecate(ts.factory.createJSDocTypeLiteral, factoryDeprecation); + /** @deprecated Use `factory.createJSDocImplementsTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocImplementsTag = ts.Debug.deprecate(ts.factory.createJSDocImplementsTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocAuthorTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocAuthorTag = ts.Debug.deprecate(ts.factory.createJSDocAuthorTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocPublicTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocPublicTag = ts.Debug.deprecate(ts.factory.createJSDocPublicTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocPrivateTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocPrivateTag = ts.Debug.deprecate(ts.factory.createJSDocPrivateTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocProtectedTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocProtectedTag = ts.Debug.deprecate(ts.factory.createJSDocProtectedTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocReadonlyTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocReadonlyTag = ts.Debug.deprecate(ts.factory.createJSDocReadonlyTag, factoryDeprecation); + /** @deprecated Use `factory.createJSDocUnknownTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocTag = ts.Debug.deprecate(ts.factory.createJSDocUnknownTag, factoryDeprecation); + /** @deprecated Use `factory.createJsxElement` or the factory supplied by your transformation context instead. */ + ts.createJsxElement = ts.Debug.deprecate(ts.factory.createJsxElement, factoryDeprecation); + /** @deprecated Use `factory.updateJsxElement` or the factory supplied by your transformation context instead. */ + ts.updateJsxElement = ts.Debug.deprecate(ts.factory.updateJsxElement, factoryDeprecation); + /** @deprecated Use `factory.createJsxSelfClosingElement` or the factory supplied by your transformation context instead. */ + ts.createJsxSelfClosingElement = ts.Debug.deprecate(ts.factory.createJsxSelfClosingElement, factoryDeprecation); + /** @deprecated Use `factory.updateJsxSelfClosingElement` or the factory supplied by your transformation context instead. */ + ts.updateJsxSelfClosingElement = ts.Debug.deprecate(ts.factory.updateJsxSelfClosingElement, factoryDeprecation); + /** @deprecated Use `factory.createJsxOpeningElement` or the factory supplied by your transformation context instead. */ + ts.createJsxOpeningElement = ts.Debug.deprecate(ts.factory.createJsxOpeningElement, factoryDeprecation); + /** @deprecated Use `factory.updateJsxOpeningElement` or the factory supplied by your transformation context instead. */ + ts.updateJsxOpeningElement = ts.Debug.deprecate(ts.factory.updateJsxOpeningElement, factoryDeprecation); + /** @deprecated Use `factory.createJsxClosingElement` or the factory supplied by your transformation context instead. */ + ts.createJsxClosingElement = ts.Debug.deprecate(ts.factory.createJsxClosingElement, factoryDeprecation); + /** @deprecated Use `factory.updateJsxClosingElement` or the factory supplied by your transformation context instead. */ + ts.updateJsxClosingElement = ts.Debug.deprecate(ts.factory.updateJsxClosingElement, factoryDeprecation); + /** @deprecated Use `factory.createJsxFragment` or the factory supplied by your transformation context instead. */ + ts.createJsxFragment = ts.Debug.deprecate(ts.factory.createJsxFragment, factoryDeprecation); + /** @deprecated Use `factory.createJsxText` or the factory supplied by your transformation context instead. */ + ts.createJsxText = ts.Debug.deprecate(ts.factory.createJsxText, factoryDeprecation); + /** @deprecated Use `factory.updateJsxText` or the factory supplied by your transformation context instead. */ + ts.updateJsxText = ts.Debug.deprecate(ts.factory.updateJsxText, factoryDeprecation); + /** @deprecated Use `factory.createJsxOpeningFragment` or the factory supplied by your transformation context instead. */ + ts.createJsxOpeningFragment = ts.Debug.deprecate(ts.factory.createJsxOpeningFragment, factoryDeprecation); + /** @deprecated Use `factory.createJsxJsxClosingFragment` or the factory supplied by your transformation context instead. */ + ts.createJsxJsxClosingFragment = ts.Debug.deprecate(ts.factory.createJsxJsxClosingFragment, factoryDeprecation); + /** @deprecated Use `factory.updateJsxFragment` or the factory supplied by your transformation context instead. */ + ts.updateJsxFragment = ts.Debug.deprecate(ts.factory.updateJsxFragment, factoryDeprecation); + /** @deprecated Use `factory.createJsxAttribute` or the factory supplied by your transformation context instead. */ + ts.createJsxAttribute = ts.Debug.deprecate(ts.factory.createJsxAttribute, factoryDeprecation); + /** @deprecated Use `factory.updateJsxAttribute` or the factory supplied by your transformation context instead. */ + ts.updateJsxAttribute = ts.Debug.deprecate(ts.factory.updateJsxAttribute, factoryDeprecation); + /** @deprecated Use `factory.createJsxAttributes` or the factory supplied by your transformation context instead. */ + ts.createJsxAttributes = ts.Debug.deprecate(ts.factory.createJsxAttributes, factoryDeprecation); + /** @deprecated Use `factory.updateJsxAttributes` or the factory supplied by your transformation context instead. */ + ts.updateJsxAttributes = ts.Debug.deprecate(ts.factory.updateJsxAttributes, factoryDeprecation); + /** @deprecated Use `factory.createJsxSpreadAttribute` or the factory supplied by your transformation context instead. */ + ts.createJsxSpreadAttribute = ts.Debug.deprecate(ts.factory.createJsxSpreadAttribute, factoryDeprecation); + /** @deprecated Use `factory.updateJsxSpreadAttribute` or the factory supplied by your transformation context instead. */ + ts.updateJsxSpreadAttribute = ts.Debug.deprecate(ts.factory.updateJsxSpreadAttribute, factoryDeprecation); + /** @deprecated Use `factory.createJsxExpression` or the factory supplied by your transformation context instead. */ + ts.createJsxExpression = ts.Debug.deprecate(ts.factory.createJsxExpression, factoryDeprecation); + /** @deprecated Use `factory.updateJsxExpression` or the factory supplied by your transformation context instead. */ + ts.updateJsxExpression = ts.Debug.deprecate(ts.factory.updateJsxExpression, factoryDeprecation); + /** @deprecated Use `factory.createCaseClause` or the factory supplied by your transformation context instead. */ + ts.createCaseClause = ts.Debug.deprecate(ts.factory.createCaseClause, factoryDeprecation); + /** @deprecated Use `factory.updateCaseClause` or the factory supplied by your transformation context instead. */ + ts.updateCaseClause = ts.Debug.deprecate(ts.factory.updateCaseClause, factoryDeprecation); + /** @deprecated Use `factory.createDefaultClause` or the factory supplied by your transformation context instead. */ + ts.createDefaultClause = ts.Debug.deprecate(ts.factory.createDefaultClause, factoryDeprecation); + /** @deprecated Use `factory.updateDefaultClause` or the factory supplied by your transformation context instead. */ + ts.updateDefaultClause = ts.Debug.deprecate(ts.factory.updateDefaultClause, factoryDeprecation); + /** @deprecated Use `factory.createHeritageClause` or the factory supplied by your transformation context instead. */ + ts.createHeritageClause = ts.Debug.deprecate(ts.factory.createHeritageClause, factoryDeprecation); + /** @deprecated Use `factory.updateHeritageClause` or the factory supplied by your transformation context instead. */ + ts.updateHeritageClause = ts.Debug.deprecate(ts.factory.updateHeritageClause, factoryDeprecation); + /** @deprecated Use `factory.createCatchClause` or the factory supplied by your transformation context instead. */ + ts.createCatchClause = ts.Debug.deprecate(ts.factory.createCatchClause, factoryDeprecation); + /** @deprecated Use `factory.updateCatchClause` or the factory supplied by your transformation context instead. */ + ts.updateCatchClause = ts.Debug.deprecate(ts.factory.updateCatchClause, factoryDeprecation); + /** @deprecated Use `factory.createPropertyAssignment` or the factory supplied by your transformation context instead. */ + ts.createPropertyAssignment = ts.Debug.deprecate(ts.factory.createPropertyAssignment, factoryDeprecation); + /** @deprecated Use `factory.updatePropertyAssignment` or the factory supplied by your transformation context instead. */ + ts.updatePropertyAssignment = ts.Debug.deprecate(ts.factory.updatePropertyAssignment, factoryDeprecation); + /** @deprecated Use `factory.createShorthandPropertyAssignment` or the factory supplied by your transformation context instead. */ + ts.createShorthandPropertyAssignment = ts.Debug.deprecate(ts.factory.createShorthandPropertyAssignment, factoryDeprecation); + /** @deprecated Use `factory.updateShorthandPropertyAssignment` or the factory supplied by your transformation context instead. */ + ts.updateShorthandPropertyAssignment = ts.Debug.deprecate(ts.factory.updateShorthandPropertyAssignment, factoryDeprecation); + /** @deprecated Use `factory.createSpreadAssignment` or the factory supplied by your transformation context instead. */ + ts.createSpreadAssignment = ts.Debug.deprecate(ts.factory.createSpreadAssignment, factoryDeprecation); + /** @deprecated Use `factory.updateSpreadAssignment` or the factory supplied by your transformation context instead. */ + ts.updateSpreadAssignment = ts.Debug.deprecate(ts.factory.updateSpreadAssignment, factoryDeprecation); + /** @deprecated Use `factory.createEnumMember` or the factory supplied by your transformation context instead. */ + ts.createEnumMember = ts.Debug.deprecate(ts.factory.createEnumMember, factoryDeprecation); + /** @deprecated Use `factory.updateEnumMember` or the factory supplied by your transformation context instead. */ + ts.updateEnumMember = ts.Debug.deprecate(ts.factory.updateEnumMember, factoryDeprecation); + /** @deprecated Use `factory.updateSourceFile` or the factory supplied by your transformation context instead. */ + ts.updateSourceFileNode = ts.Debug.deprecate(ts.factory.updateSourceFile, factoryDeprecation); + /** @deprecated Use `factory.createNotEmittedStatement` or the factory supplied by your transformation context instead. */ + ts.createNotEmittedStatement = ts.Debug.deprecate(ts.factory.createNotEmittedStatement, factoryDeprecation); + /** @deprecated Use `factory.createPartiallyEmittedExpression` or the factory supplied by your transformation context instead. */ + ts.createPartiallyEmittedExpression = ts.Debug.deprecate(ts.factory.createPartiallyEmittedExpression, factoryDeprecation); + /** @deprecated Use `factory.updatePartiallyEmittedExpression` or the factory supplied by your transformation context instead. */ + ts.updatePartiallyEmittedExpression = ts.Debug.deprecate(ts.factory.updatePartiallyEmittedExpression, factoryDeprecation); + /** @deprecated Use `factory.createCommaListExpression` or the factory supplied by your transformation context instead. */ + ts.createCommaList = ts.Debug.deprecate(ts.factory.createCommaListExpression, factoryDeprecation); + /** @deprecated Use `factory.updateCommaListExpression` or the factory supplied by your transformation context instead. */ + ts.updateCommaList = ts.Debug.deprecate(ts.factory.updateCommaListExpression, factoryDeprecation); + /** @deprecated Use `factory.createBundle` or the factory supplied by your transformation context instead. */ + ts.createBundle = ts.Debug.deprecate(ts.factory.createBundle, factoryDeprecation); + /** @deprecated Use `factory.updateBundle` or the factory supplied by your transformation context instead. */ + ts.updateBundle = ts.Debug.deprecate(ts.factory.updateBundle, factoryDeprecation); + /** @deprecated Use `factory.createImmediatelyInvokedFunctionExpression` or the factory supplied by your transformation context instead. */ + ts.createImmediatelyInvokedFunctionExpression = ts.Debug.deprecate(ts.factory.createImmediatelyInvokedFunctionExpression, factoryDeprecation); + /** @deprecated Use `factory.createImmediatelyInvokedArrowFunction` or the factory supplied by your transformation context instead. */ + ts.createImmediatelyInvokedArrowFunction = ts.Debug.deprecate(ts.factory.createImmediatelyInvokedArrowFunction, factoryDeprecation); + /** @deprecated Use `factory.createVoidZero` or the factory supplied by your transformation context instead. */ + ts.createVoidZero = ts.Debug.deprecate(ts.factory.createVoidZero, factoryDeprecation); + /** @deprecated Use `factory.createExportDefault` or the factory supplied by your transformation context instead. */ + ts.createExportDefault = ts.Debug.deprecate(ts.factory.createExportDefault, factoryDeprecation); + /** @deprecated Use `factory.createExternalModuleExport` or the factory supplied by your transformation context instead. */ + ts.createExternalModuleExport = ts.Debug.deprecate(ts.factory.createExternalModuleExport, factoryDeprecation); + /** @deprecated Use `factory.createNamespaceExport` or the factory supplied by your transformation context instead. */ + ts.createNamespaceExport = ts.Debug.deprecate(ts.factory.createNamespaceExport, factoryDeprecation); + /** @deprecated Use `factory.updateNamespaceExport` or the factory supplied by your transformation context instead. */ + ts.updateNamespaceExport = ts.Debug.deprecate(ts.factory.updateNamespaceExport, factoryDeprecation); + /** @deprecated Use `factory.createToken` or the factory supplied by your transformation context instead. */ + ts.createToken = ts.Debug.deprecate(function createToken(kind) { + return ts.factory.createToken(kind); + }, factoryDeprecation); + /** @deprecated Use `factory.createIdentifier` or the factory supplied by your transformation context instead. */ + ts.createIdentifier = ts.Debug.deprecate(function createIdentifier(text) { + return ts.factory.createIdentifier(text, /*typeArguments*/ undefined, /*originalKeywordKind*/ undefined); + }, factoryDeprecation); + /** @deprecated Use `factory.createTempVariable` or the factory supplied by your transformation context instead. */ + ts.createTempVariable = ts.Debug.deprecate(function createTempVariable(recordTempVariable) { + return ts.factory.createTempVariable(recordTempVariable, /*reserveInNestedScopes*/ undefined); + }, factoryDeprecation); + /** @deprecated Use `factory.getGeneratedNameForNode` or the factory supplied by your transformation context instead. */ + ts.getGeneratedNameForNode = ts.Debug.deprecate(function getGeneratedNameForNode(node) { + return ts.factory.getGeneratedNameForNode(node, /*flags*/ undefined); + }, factoryDeprecation); + /** @deprecated Use `factory.createUniqueName(text, GeneratedIdentifierFlags.Optimistic)` or the factory supplied by your transformation context instead. */ + ts.createOptimisticUniqueName = ts.Debug.deprecate(function createOptimisticUniqueName(text) { + return ts.factory.createUniqueName(text, 16 /* GeneratedIdentifierFlags.Optimistic */); + }, factoryDeprecation); + /** @deprecated Use `factory.createUniqueName(text, GeneratedIdentifierFlags.Optimistic | GeneratedIdentifierFlags.FileLevel)` or the factory supplied by your transformation context instead. */ + ts.createFileLevelUniqueName = ts.Debug.deprecate(function createFileLevelUniqueName(text) { + return ts.factory.createUniqueName(text, 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */); + }, factoryDeprecation); + /** @deprecated Use `factory.createIndexSignature` or the factory supplied by your transformation context instead. */ + ts.createIndexSignature = ts.Debug.deprecate(function createIndexSignature(decorators, modifiers, parameters, type) { + return ts.factory.createIndexSignature(decorators, modifiers, parameters, type); + }, factoryDeprecation); + /** @deprecated Use `factory.createTypePredicateNode` or the factory supplied by your transformation context instead. */ + ts.createTypePredicateNode = ts.Debug.deprecate(function createTypePredicateNode(parameterName, type) { + return ts.factory.createTypePredicateNode(/*assertsModifier*/ undefined, parameterName, type); + }, factoryDeprecation); + /** @deprecated Use `factory.updateTypePredicateNode` or the factory supplied by your transformation context instead. */ + ts.updateTypePredicateNode = ts.Debug.deprecate(function updateTypePredicateNode(node, parameterName, type) { + return ts.factory.updateTypePredicateNode(node, /*assertsModifier*/ undefined, parameterName, type); + }, factoryDeprecation); + /** @deprecated Use `factory.createStringLiteral`, `factory.createStringLiteralFromNode`, `factory.createNumericLiteral`, `factory.createBigIntLiteral`, `factory.createTrue`, `factory.createFalse`, or the factory supplied by your transformation context instead. */ + ts.createLiteral = ts.Debug.deprecate(function createLiteral(value) { + if (typeof value === "number") { + return ts.factory.createNumericLiteral(value); + } + // eslint-disable-next-line no-in-operator + if (typeof value === "object" && "base10Value" in value) { // PseudoBigInt + return ts.factory.createBigIntLiteral(value); + } + if (typeof value === "boolean") { + return value ? ts.factory.createTrue() : ts.factory.createFalse(); + } + if (typeof value === "string") { + return ts.factory.createStringLiteral(value, /*isSingleQuote*/ undefined); + } + return ts.factory.createStringLiteralFromNode(value); + }, { since: "4.0", warnAfter: "4.1", message: "Use `factory.createStringLiteral`, `factory.createStringLiteralFromNode`, `factory.createNumericLiteral`, `factory.createBigIntLiteral`, `factory.createTrue`, `factory.createFalse`, or the factory supplied by your transformation context instead." }); + /** @deprecated Use `factory.createMethodSignature` or the factory supplied by your transformation context instead. */ + ts.createMethodSignature = ts.Debug.deprecate(function createMethodSignature(typeParameters, parameters, type, name, questionToken) { + return ts.factory.createMethodSignature(/*modifiers*/ undefined, name, questionToken, typeParameters, parameters, type); + }, factoryDeprecation); + /** @deprecated Use `factory.updateMethodSignature` or the factory supplied by your transformation context instead. */ + ts.updateMethodSignature = ts.Debug.deprecate(function updateMethodSignature(node, typeParameters, parameters, type, name, questionToken) { + return ts.factory.updateMethodSignature(node, node.modifiers, name, questionToken, typeParameters, parameters, type); + }, factoryDeprecation); + /** @deprecated Use `factory.createTypeOperatorNode` or the factory supplied by your transformation context instead. */ + ts.createTypeOperatorNode = ts.Debug.deprecate(function createTypeOperatorNode(operatorOrType, type) { + var operator; + if (type) { + operator = operatorOrType; + } + else { + type = operatorOrType; + operator = 140 /* SyntaxKind.KeyOfKeyword */; + } + return ts.factory.createTypeOperatorNode(operator, type); + }, factoryDeprecation); + /** @deprecated Use `factory.createTaggedTemplate` or the factory supplied by your transformation context instead. */ + ts.createTaggedTemplate = ts.Debug.deprecate(function createTaggedTemplate(tag, typeArgumentsOrTemplate, template) { + var typeArguments; + if (template) { + typeArguments = typeArgumentsOrTemplate; + } + else { + template = typeArgumentsOrTemplate; + } + return ts.factory.createTaggedTemplateExpression(tag, typeArguments, template); + }, factoryDeprecation); + /** @deprecated Use `factory.updateTaggedTemplate` or the factory supplied by your transformation context instead. */ + ts.updateTaggedTemplate = ts.Debug.deprecate(function updateTaggedTemplate(node, tag, typeArgumentsOrTemplate, template) { + var typeArguments; + if (template) { + typeArguments = typeArgumentsOrTemplate; + } + else { + template = typeArgumentsOrTemplate; + } + return ts.factory.updateTaggedTemplateExpression(node, tag, typeArguments, template); + }, factoryDeprecation); + /** @deprecated Use `factory.updateBinary` or the factory supplied by your transformation context instead. */ + ts.updateBinary = ts.Debug.deprecate(function updateBinary(node, left, right, operator) { + if (operator === void 0) { operator = node.operatorToken; } + if (typeof operator === "number") { + operator = operator === node.operatorToken.kind ? node.operatorToken : ts.factory.createToken(operator); + } + return ts.factory.updateBinaryExpression(node, left, operator, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createConditional` or the factory supplied by your transformation context instead. */ + ts.createConditional = ts.Debug.deprecate(function createConditional(condition, questionTokenOrWhenTrue, whenTrueOrWhenFalse, colonToken, whenFalse) { + return arguments.length === 5 ? ts.factory.createConditionalExpression(condition, questionTokenOrWhenTrue, whenTrueOrWhenFalse, colonToken, whenFalse) : + arguments.length === 3 ? ts.factory.createConditionalExpression(condition, ts.factory.createToken(57 /* SyntaxKind.QuestionToken */), questionTokenOrWhenTrue, ts.factory.createToken(58 /* SyntaxKind.ColonToken */), whenTrueOrWhenFalse) : + ts.Debug.fail("Argument count mismatch"); + }, factoryDeprecation); + /** @deprecated Use `factory.createYield` or the factory supplied by your transformation context instead. */ + ts.createYield = ts.Debug.deprecate(function createYield(asteriskTokenOrExpression, expression) { + var asteriskToken; + if (expression) { + asteriskToken = asteriskTokenOrExpression; + } + else { + expression = asteriskTokenOrExpression; + } + return ts.factory.createYieldExpression(asteriskToken, expression); + }, factoryDeprecation); + /** @deprecated Use `factory.createClassExpression` or the factory supplied by your transformation context instead. */ + ts.createClassExpression = ts.Debug.deprecate(function createClassExpression(modifiers, name, typeParameters, heritageClauses, members) { + return ts.factory.createClassExpression(/*decorators*/ undefined, modifiers, name, typeParameters, heritageClauses, members); + }, factoryDeprecation); + /** @deprecated Use `factory.updateClassExpression` or the factory supplied by your transformation context instead. */ + ts.updateClassExpression = ts.Debug.deprecate(function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) { + return ts.factory.updateClassExpression(node, /*decorators*/ undefined, modifiers, name, typeParameters, heritageClauses, members); + }, factoryDeprecation); + /** @deprecated Use `factory.createPropertySignature` or the factory supplied by your transformation context instead. */ + ts.createPropertySignature = ts.Debug.deprecate(function createPropertySignature(modifiers, name, questionToken, type, initializer) { + var node = ts.factory.createPropertySignature(modifiers, name, questionToken, type); + node.initializer = initializer; + return node; + }, factoryDeprecation); + /** @deprecated Use `factory.updatePropertySignature` or the factory supplied by your transformation context instead. */ + ts.updatePropertySignature = ts.Debug.deprecate(function updatePropertySignature(node, modifiers, name, questionToken, type, initializer) { + var updated = ts.factory.updatePropertySignature(node, modifiers, name, questionToken, type); + if (node.initializer !== initializer) { + if (updated === node) { + updated = ts.factory.cloneNode(node); + } + updated.initializer = initializer; + } + return updated; + }, factoryDeprecation); + /** @deprecated Use `factory.createExpressionWithTypeArguments` or the factory supplied by your transformation context instead. */ + ts.createExpressionWithTypeArguments = ts.Debug.deprecate(function createExpressionWithTypeArguments(typeArguments, expression) { + return ts.factory.createExpressionWithTypeArguments(expression, typeArguments); + }, factoryDeprecation); + /** @deprecated Use `factory.updateExpressionWithTypeArguments` or the factory supplied by your transformation context instead. */ + ts.updateExpressionWithTypeArguments = ts.Debug.deprecate(function updateExpressionWithTypeArguments(node, typeArguments, expression) { + return ts.factory.updateExpressionWithTypeArguments(node, expression, typeArguments); + }, factoryDeprecation); + /** @deprecated Use `factory.createArrowFunction` or the factory supplied by your transformation context instead. */ + ts.createArrowFunction = ts.Debug.deprecate(function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanTokenOrBody, body) { + return arguments.length === 6 ? ts.factory.createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanTokenOrBody, body) : + arguments.length === 5 ? ts.factory.createArrowFunction(modifiers, typeParameters, parameters, type, /*equalsGreaterThanToken*/ undefined, equalsGreaterThanTokenOrBody) : + ts.Debug.fail("Argument count mismatch"); + }, factoryDeprecation); + /** @deprecated Use `factory.updateArrowFunction` or the factory supplied by your transformation context instead. */ + ts.updateArrowFunction = ts.Debug.deprecate(function updateArrowFunction(node, modifiers, typeParameters, parameters, type, equalsGreaterThanTokenOrBody, body) { + return arguments.length === 7 ? ts.factory.updateArrowFunction(node, modifiers, typeParameters, parameters, type, equalsGreaterThanTokenOrBody, body) : + arguments.length === 6 ? ts.factory.updateArrowFunction(node, modifiers, typeParameters, parameters, type, node.equalsGreaterThanToken, equalsGreaterThanTokenOrBody) : + ts.Debug.fail("Argument count mismatch"); + }, factoryDeprecation); + /** @deprecated Use `factory.createVariableDeclaration` or the factory supplied by your transformation context instead. */ + ts.createVariableDeclaration = ts.Debug.deprecate(function createVariableDeclaration(name, exclamationTokenOrType, typeOrInitializer, initializer) { + return arguments.length === 4 ? ts.factory.createVariableDeclaration(name, exclamationTokenOrType, typeOrInitializer, initializer) : + arguments.length >= 1 && arguments.length <= 3 ? ts.factory.createVariableDeclaration(name, /*exclamationToken*/ undefined, exclamationTokenOrType, typeOrInitializer) : + ts.Debug.fail("Argument count mismatch"); + }, factoryDeprecation); + /** @deprecated Use `factory.updateVariableDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateVariableDeclaration = ts.Debug.deprecate(function updateVariableDeclaration(node, name, exclamationTokenOrType, typeOrInitializer, initializer) { + return arguments.length === 5 ? ts.factory.updateVariableDeclaration(node, name, exclamationTokenOrType, typeOrInitializer, initializer) : + arguments.length === 4 ? ts.factory.updateVariableDeclaration(node, name, node.exclamationToken, exclamationTokenOrType, typeOrInitializer) : + ts.Debug.fail("Argument count mismatch"); + }, factoryDeprecation); + /** @deprecated Use `factory.createImportClause` or the factory supplied by your transformation context instead. */ + ts.createImportClause = ts.Debug.deprecate(function createImportClause(name, namedBindings, isTypeOnly) { + if (isTypeOnly === void 0) { isTypeOnly = false; } + return ts.factory.createImportClause(isTypeOnly, name, namedBindings); + }, factoryDeprecation); + /** @deprecated Use `factory.updateImportClause` or the factory supplied by your transformation context instead. */ + ts.updateImportClause = ts.Debug.deprecate(function updateImportClause(node, name, namedBindings, isTypeOnly) { + return ts.factory.updateImportClause(node, isTypeOnly, name, namedBindings); + }, factoryDeprecation); + /** @deprecated Use `factory.createExportDeclaration` or the factory supplied by your transformation context instead. */ + ts.createExportDeclaration = ts.Debug.deprecate(function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, isTypeOnly) { + if (isTypeOnly === void 0) { isTypeOnly = false; } + return ts.factory.createExportDeclaration(decorators, modifiers, isTypeOnly, exportClause, moduleSpecifier); + }, factoryDeprecation); + /** @deprecated Use `factory.updateExportDeclaration` or the factory supplied by your transformation context instead. */ + ts.updateExportDeclaration = ts.Debug.deprecate(function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier, isTypeOnly) { + return ts.factory.updateExportDeclaration(node, decorators, modifiers, isTypeOnly, exportClause, moduleSpecifier, node.assertClause); + }, factoryDeprecation); + /** @deprecated Use `factory.createJSDocParameterTag` or the factory supplied by your transformation context instead. */ + ts.createJSDocParamTag = ts.Debug.deprecate(function createJSDocParamTag(name, isBracketed, typeExpression, comment) { + return ts.factory.createJSDocParameterTag(/*tagName*/ undefined, name, isBracketed, typeExpression, /*isNameFirst*/ false, comment ? ts.factory.createNodeArray([ts.factory.createJSDocText(comment)]) : undefined); + }, factoryDeprecation); + /** @deprecated Use `factory.createComma` or the factory supplied by your transformation context instead. */ + ts.createComma = ts.Debug.deprecate(function createComma(left, right) { + return ts.factory.createComma(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createLessThan` or the factory supplied by your transformation context instead. */ + ts.createLessThan = ts.Debug.deprecate(function createLessThan(left, right) { + return ts.factory.createLessThan(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createAssignment` or the factory supplied by your transformation context instead. */ + ts.createAssignment = ts.Debug.deprecate(function createAssignment(left, right) { + return ts.factory.createAssignment(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createStrictEquality` or the factory supplied by your transformation context instead. */ + ts.createStrictEquality = ts.Debug.deprecate(function createStrictEquality(left, right) { + return ts.factory.createStrictEquality(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createStrictInequality` or the factory supplied by your transformation context instead. */ + ts.createStrictInequality = ts.Debug.deprecate(function createStrictInequality(left, right) { + return ts.factory.createStrictInequality(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createAdd` or the factory supplied by your transformation context instead. */ + ts.createAdd = ts.Debug.deprecate(function createAdd(left, right) { + return ts.factory.createAdd(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createSubtract` or the factory supplied by your transformation context instead. */ + ts.createSubtract = ts.Debug.deprecate(function createSubtract(left, right) { + return ts.factory.createSubtract(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createLogicalAnd` or the factory supplied by your transformation context instead. */ + ts.createLogicalAnd = ts.Debug.deprecate(function createLogicalAnd(left, right) { + return ts.factory.createLogicalAnd(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createLogicalOr` or the factory supplied by your transformation context instead. */ + ts.createLogicalOr = ts.Debug.deprecate(function createLogicalOr(left, right) { + return ts.factory.createLogicalOr(left, right); + }, factoryDeprecation); + /** @deprecated Use `factory.createPostfixIncrement` or the factory supplied by your transformation context instead. */ + ts.createPostfixIncrement = ts.Debug.deprecate(function createPostfixIncrement(operand) { + return ts.factory.createPostfixIncrement(operand); + }, factoryDeprecation); + /** @deprecated Use `factory.createLogicalNot` or the factory supplied by your transformation context instead. */ + ts.createLogicalNot = ts.Debug.deprecate(function createLogicalNot(operand) { + return ts.factory.createLogicalNot(operand); + }, factoryDeprecation); + /** @deprecated Use an appropriate `factory` method instead. */ + ts.createNode = ts.Debug.deprecate(function createNode(kind, pos, end) { + if (pos === void 0) { pos = 0; } + if (end === void 0) { end = 0; } + return ts.setTextRangePosEnd(kind === 305 /* SyntaxKind.SourceFile */ ? ts.parseBaseNodeFactory.createBaseSourceFileNode(kind) : + kind === 79 /* SyntaxKind.Identifier */ ? ts.parseBaseNodeFactory.createBaseIdentifierNode(kind) : + kind === 80 /* SyntaxKind.PrivateIdentifier */ ? ts.parseBaseNodeFactory.createBasePrivateIdentifierNode(kind) : + !ts.isNodeKind(kind) ? ts.parseBaseNodeFactory.createBaseTokenNode(kind) : + ts.parseBaseNodeFactory.createBaseNode(kind), pos, end); + }, { since: "4.0", warnAfter: "4.1", message: "Use an appropriate `factory` method instead." }); + /** + * Creates a shallow, memberwise clone of a node ~for mutation~ with its `pos`, `end`, and `parent` set. + * + * NOTE: It is unsafe to change any properties of a `Node` that relate to its AST children, as those changes won't be + * captured with respect to transformations. + * + * @deprecated Use an appropriate `factory.update...` method instead, use `setCommentRange` or `setSourceMapRange`, and avoid setting `parent`. + */ + ts.getMutableClone = ts.Debug.deprecate(function getMutableClone(node) { + var clone = ts.factory.cloneNode(node); + ts.setTextRange(clone, node); + ts.setParent(clone, node.parent); + return clone; + }, { since: "4.0", warnAfter: "4.1", message: "Use an appropriate `factory.update...` method instead, use `setCommentRange` or `setSourceMapRange`, and avoid setting `parent`." }); + // #endregion Node Factory top-level exports + // DEPRECATION: Renamed node tests + // DEPRECATION PLAN: + // - soft: 4.0 + // - warn: 4.1 + // - error: TBD + // #region Renamed node Tests + /** @deprecated Use `isTypeAssertionExpression` instead. */ + ts.isTypeAssertion = ts.Debug.deprecate(function isTypeAssertion(node) { + return node.kind === 211 /* SyntaxKind.TypeAssertionExpression */; + }, { + since: "4.0", + warnAfter: "4.1", + message: "Use `isTypeAssertionExpression` instead." + }); + // #endregion + // DEPRECATION: Renamed node tests + // DEPRECATION PLAN: + // - soft: 4.2 + // - warn: 4.3 + // - error: TBD + // #region Renamed node Tests + /** + * @deprecated Use `isMemberName` instead. + */ + ts.isIdentifierOrPrivateIdentifier = ts.Debug.deprecate(function isIdentifierOrPrivateIdentifier(node) { + return ts.isMemberName(node); + }, { + since: "4.2", + warnAfter: "4.3", + message: "Use `isMemberName` instead." + }); + // #endregion Renamed node Tests +})(ts || (ts = {})); + + +//# sourceMappingURL=typescript.js.map diff --git a/test/parallel/test-snapshot-typescript.js b/test/parallel/test-snapshot-typescript.js new file mode 100644 index 00000000000000..bf9baf25153151 --- /dev/null +++ b/test/parallel/test-snapshot-typescript.js @@ -0,0 +1,69 @@ +'use strict'; + +// This tests the TypeScript compiler in the snapshot. + +const common = require('../common'); + +if (process.features.debug) { + common.skip('V8 snapshot does not work with mutated globals yet: ' + + 'https://bugs.chromium.org/p/v8/issues/detail?id=12772'); +} + +const assert = require('assert'); +const { spawnSync } = require('child_process'); +const tmpdir = require('../common/tmpdir'); +const fixtures = require('../common/fixtures'); +const path = require('path'); +const fs = require('fs'); + +tmpdir.refresh(); +const blobPath = path.join(tmpdir.path, 'snapshot.blob'); + +// Concat test/fixtures/snapshot/typescript.js with +// test/fixtures/snapshot/typescript.js into +// tmpdir/snapshot.js. +const file = path.join(tmpdir.path, 'snapshot.js'); +fs.copyFileSync(fixtures.path('snapshot', 'typescript.js'), file); +fs.appendFileSync(file, + fs.readFileSync(fixtures.path('snapshot', 'typescript-main.js'))); + +{ + const child = spawnSync(process.execPath, [ + '--snapshot-blob', + blobPath, + '--build-snapshot', + file, + ], { + cwd: tmpdir.path + }); + const stderr = child.stderr.toString(); + const stdout = child.stdout.toString(); + console.log(stderr); + console.log(stdout); + assert.strictEqual(child.status, 0); + + const stats = fs.statSync(path.join(tmpdir.path, 'snapshot.blob')); + assert(stats.isFile()); +} + +{ + const outPath = path.join(tmpdir.path, 'ts-example.js'); + const child = spawnSync(process.execPath, [ + '--snapshot-blob', + blobPath, + fixtures.path('snapshot', 'ts-example.ts'), + outPath, + ], { + cwd: tmpdir.path, + }); + const stderr = child.stderr.toString(); + const snapshotOutput = child.stdout.toString(); + console.log(stderr); + console.log(snapshotOutput); + + assert.strictEqual(child.status, 0); + const result = fs.readFileSync(outPath, 'utf8'); + const expected = fs.readFileSync( + fixtures.path('snapshot', 'ts-example.js'), 'utf8'); + assert.strictEqual(result, expected); +} From 975931dad51cec9481c1449a1e5f283a34d5d941 Mon Sep 17 00:00:00 2001 From: legendecas Date: Sun, 31 Jul 2022 23:16:48 +0800 Subject: [PATCH 056/147] src: nest namespace report in namespace node PR-URL: https://github.com/nodejs/node/pull/44069 Reviewed-By: Darshan Sen Reviewed-By: Colin Ihrig Reviewed-By: Feng Yu Reviewed-By: Minwoo Jung --- src/node_report.cc | 43 +++++++++++++++----------------------- src/node_report.h | 15 ++++++++++--- src/node_report_module.cc | 44 +++++++++++++++++++-------------------- src/node_report_utils.cc | 8 +++---- 4 files changed, 53 insertions(+), 57 deletions(-) diff --git a/src/node_report.cc b/src/node_report.cc index edc8ab802b06f7..455d5c4e875060 100644 --- a/src/node_report.cc +++ b/src/node_report.cc @@ -27,15 +27,9 @@ constexpr int NODE_REPORT_VERSION = 2; constexpr int NANOS_PER_SEC = 1000 * 1000 * 1000; constexpr double SEC_PER_MICROS = 1e-6; +namespace node { namespace report { -using node::arraysize; -using node::ConditionVariable; -using node::DiagnosticFilename; -using node::Environment; -using node::JSONWriter; -using node::Mutex; -using node::NativeSymbolDebuggingContext; -using node::TIME_TYPE; + using node::worker::Worker; using v8::Array; using v8::Context; @@ -54,8 +48,6 @@ using v8::TryCatch; using v8::V8; using v8::Value; -namespace per_process = node::per_process; - // Internal/static function declarations static void WriteNodeReport(Isolate* isolate, Environment* env, @@ -129,7 +121,7 @@ std::string TriggerNodeReport(Isolate* isolate, // Regular file. Append filename to directory path if one was specified if (report_directory.length() > 0) { std::string pathname = report_directory; - pathname += node::kPathSeparator; + pathname += kPathSeparator; pathname += filename; outfile.open(pathname, std::ios::out | std::ios::binary); } else { @@ -260,9 +252,9 @@ static void WriteNodeReport(Isolate* isolate, } // Report out the command line. - if (!node::per_process::cli_options->cmdline.empty()) { + if (!per_process::cli_options->cmdline.empty()) { writer.json_arraystart("commandLine"); - for (const std::string& arg : node::per_process::cli_options->cmdline) { + for (const std::string& arg : per_process::cli_options->cmdline) { writer.json_element(arg); } writer.json_arrayend(); @@ -377,8 +369,8 @@ static void PrintVersionInformation(JSONWriter* writer) { // Report Process word size writer->json_keyvalue("wordSize", sizeof(void*) * 8); - writer->json_keyvalue("arch", node::per_process::metadata.arch); - writer->json_keyvalue("platform", node::per_process::metadata.platform); + writer->json_keyvalue("arch", per_process::metadata.arch); + writer->json_keyvalue("platform", per_process::metadata.platform); // Report deps component versions PrintComponentVersions(writer); @@ -528,7 +520,7 @@ static Maybe ErrorToString(Isolate* isolate, maybe_str = error->ToString(context); } else if (error->IsObject()) { MaybeLocal stack = error.As()->Get( - context, node::FIXED_ONE_BYTE_STRING(isolate, "stack")); + context, FIXED_ONE_BYTE_STRING(isolate, "stack")); if (!stack.IsEmpty() && stack.ToLocalChecked()->IsString()) { maybe_str = stack.ToLocalChecked().As(); } @@ -656,7 +648,7 @@ static void PrintGCStatistics(JSONWriter* writer, Isolate* isolate) { static void PrintResourceUsage(JSONWriter* writer) { // Get process uptime in seconds uint64_t uptime = - (uv_hrtime() - node::per_process::node_start_time) / (NANOS_PER_SEC); + (uv_hrtime() - per_process::node_start_time) / (NANOS_PER_SEC); if (uptime == 0) uptime = 1; // avoid division by zero. // Process and current thread usage statistics @@ -714,7 +706,7 @@ static void PrintSystemInformation(JSONWriter* writer) { writer->json_objectstart("environmentVariables"); { - Mutex::ScopedLock lock(node::per_process::env_var_mutex); + Mutex::ScopedLock lock(per_process::env_var_mutex); r = uv_os_environ(&envitems, &envcount); } @@ -794,8 +786,7 @@ static void PrintComponentVersions(JSONWriter* writer) { writer->json_objectstart("componentVersions"); -#define V(key) \ - writer->json_keyvalue(#key, node::per_process::metadata.versions.key); +#define V(key) writer->json_keyvalue(#key, per_process::metadata.versions.key); NODE_VERSIONS_KEYS(V) #undef V @@ -805,18 +796,17 @@ static void PrintComponentVersions(JSONWriter* writer) { // Report runtime release information. static void PrintRelease(JSONWriter* writer) { writer->json_objectstart("release"); - writer->json_keyvalue("name", node::per_process::metadata.release.name); + writer->json_keyvalue("name", per_process::metadata.release.name); #if NODE_VERSION_IS_LTS - writer->json_keyvalue("lts", node::per_process::metadata.release.lts); + writer->json_keyvalue("lts", per_process::metadata.release.lts); #endif #ifdef NODE_HAS_RELEASE_URLS writer->json_keyvalue("headersUrl", - node::per_process::metadata.release.headers_url); - writer->json_keyvalue("sourceUrl", - node::per_process::metadata.release.source_url); + per_process::metadata.release.headers_url); + writer->json_keyvalue("sourceUrl", per_process::metadata.release.source_url); #ifdef _WIN32 - writer->json_keyvalue("libUrl", node::per_process::metadata.release.lib_url); + writer->json_keyvalue("libUrl", per_process::metadata.release.lib_url); #endif // _WIN32 #endif // NODE_HAS_RELEASE_URLS @@ -824,3 +814,4 @@ static void PrintRelease(JSONWriter* writer) { } } // namespace report +} // namespace node diff --git a/src/node_report.h b/src/node_report.h index a8292eb2dd477d..dde48f14ec0f43 100644 --- a/src/node_report.h +++ b/src/node_report.h @@ -1,4 +1,7 @@ -#pragma once +#ifndef SRC_NODE_REPORT_H_ +#define SRC_NODE_REPORT_H_ + +#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS #include "node.h" #include "node_buffer.h" @@ -12,17 +15,18 @@ #include +namespace node { namespace report { // Function declarations - functions in src/node_report.cc std::string TriggerNodeReport(v8::Isolate* isolate, - node::Environment* env, + Environment* env, const char* message, const char* trigger, const std::string& name, v8::Local error); void GetNodeReport(v8::Isolate* isolate, - node::Environment* env, + Environment* env, const char* message, const char* trigger, v8::Local error, @@ -45,3 +49,8 @@ void WriteReport(const v8::FunctionCallbackInfo& info); void GetReport(const v8::FunctionCallbackInfo& info); } // namespace report +} // namespace node + +#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS + +#endif // SRC_NODE_REPORT_H_ diff --git a/src/node_report_module.cc b/src/node_report_module.cc index 160498c6276a3f..db4a5b7e449603 100644 --- a/src/node_report_module.cc +++ b/src/node_report_module.cc @@ -15,10 +15,8 @@ #include #include +namespace node { namespace report { -using node::Environment; -using node::Mutex; -using node::Utf8Value; using v8::Context; using v8::FunctionCallbackInfo; using v8::HandleScope; @@ -76,48 +74,48 @@ void GetReport(const FunctionCallbackInfo& info) { } static void GetCompact(const FunctionCallbackInfo& info) { - node::Mutex::ScopedLock lock(node::per_process::cli_options_mutex); - info.GetReturnValue().Set(node::per_process::cli_options->report_compact); + Mutex::ScopedLock lock(per_process::cli_options_mutex); + info.GetReturnValue().Set(per_process::cli_options->report_compact); } static void SetCompact(const FunctionCallbackInfo& info) { - node::Mutex::ScopedLock lock(node::per_process::cli_options_mutex); + Mutex::ScopedLock lock(per_process::cli_options_mutex); Environment* env = Environment::GetCurrent(info); Isolate* isolate = env->isolate(); bool compact = info[0]->ToBoolean(isolate)->Value(); - node::per_process::cli_options->report_compact = compact; + per_process::cli_options->report_compact = compact; } static void GetDirectory(const FunctionCallbackInfo& info) { - node::Mutex::ScopedLock lock(node::per_process::cli_options_mutex); + Mutex::ScopedLock lock(per_process::cli_options_mutex); Environment* env = Environment::GetCurrent(info); - std::string directory = node::per_process::cli_options->report_directory; + std::string directory = per_process::cli_options->report_directory; auto result = String::NewFromUtf8(env->isolate(), directory.c_str()); info.GetReturnValue().Set(result.ToLocalChecked()); } static void SetDirectory(const FunctionCallbackInfo& info) { - node::Mutex::ScopedLock lock(node::per_process::cli_options_mutex); + Mutex::ScopedLock lock(per_process::cli_options_mutex); Environment* env = Environment::GetCurrent(info); CHECK(info[0]->IsString()); Utf8Value dir(env->isolate(), info[0].As()); - node::per_process::cli_options->report_directory = *dir; + per_process::cli_options->report_directory = *dir; } static void GetFilename(const FunctionCallbackInfo& info) { - node::Mutex::ScopedLock lock(node::per_process::cli_options_mutex); + Mutex::ScopedLock lock(per_process::cli_options_mutex); Environment* env = Environment::GetCurrent(info); - std::string filename = node::per_process::cli_options->report_filename; + std::string filename = per_process::cli_options->report_filename; auto result = String::NewFromUtf8(env->isolate(), filename.c_str()); info.GetReturnValue().Set(result.ToLocalChecked()); } static void SetFilename(const FunctionCallbackInfo& info) { - node::Mutex::ScopedLock lock(node::per_process::cli_options_mutex); + Mutex::ScopedLock lock(per_process::cli_options_mutex); Environment* env = Environment::GetCurrent(info); CHECK(info[0]->IsString()); Utf8Value name(env->isolate(), info[0].As()); - node::per_process::cli_options->report_filename = *name; + per_process::cli_options->report_filename = *name; } static void GetSignal(const FunctionCallbackInfo& info) { @@ -135,15 +133,14 @@ static void SetSignal(const FunctionCallbackInfo& info) { } static void ShouldReportOnFatalError(const FunctionCallbackInfo& info) { - Mutex::ScopedLock lock(node::per_process::cli_options_mutex); - info.GetReturnValue().Set( - node::per_process::cli_options->report_on_fatalerror); + Mutex::ScopedLock lock(per_process::cli_options_mutex); + info.GetReturnValue().Set(per_process::cli_options->report_on_fatalerror); } static void SetReportOnFatalError(const FunctionCallbackInfo& info) { CHECK(info[0]->IsBoolean()); - Mutex::ScopedLock lock(node::per_process::cli_options_mutex); - node::per_process::cli_options->report_on_fatalerror = info[0]->IsTrue(); + Mutex::ScopedLock lock(per_process::cli_options_mutex); + per_process::cli_options->report_on_fatalerror = info[0]->IsTrue(); } static void ShouldReportOnSignal(const FunctionCallbackInfo& info) { @@ -197,7 +194,7 @@ static void Initialize(Local exports, SetReportOnUncaughtException); } -void RegisterExternalReferences(node::ExternalReferenceRegistry* registry) { +void RegisterExternalReferences(ExternalReferenceRegistry* registry) { registry->Register(WriteReport); registry->Register(GetReport); registry->Register(GetCompact); @@ -217,6 +214,7 @@ void RegisterExternalReferences(node::ExternalReferenceRegistry* registry) { } } // namespace report +} // namespace node -NODE_MODULE_CONTEXT_AWARE_INTERNAL(report, report::Initialize) -NODE_MODULE_EXTERNAL_REFERENCE(report, report::RegisterExternalReferences) +NODE_MODULE_CONTEXT_AWARE_INTERNAL(report, node::report::Initialize) +NODE_MODULE_EXTERNAL_REFERENCE(report, node::report::RegisterExternalReferences) diff --git a/src/node_report_utils.cc b/src/node_report_utils.cc index 6d8b211b6d1c51..322bc7d5d8579a 100644 --- a/src/node_report_utils.cc +++ b/src/node_report_utils.cc @@ -3,11 +3,9 @@ #include "node_report.h" #include "util-inl.h" +namespace node { namespace report { -using node::JSONWriter; -using node::MallocedBuffer; - static constexpr auto null = JSONWriter::Null{}; // Utility function to format socket information. @@ -210,8 +208,7 @@ void WalkHandle(uv_handle_t* h, void* arg) { // SIGWINCH is used by libuv so always appears. // See http://docs.libuv.org/en/v1.x/signal.html writer->json_keyvalue("signum", handle->signal.signum); - writer->json_keyvalue("signal", - node::signo_string(handle->signal.signum)); + writer->json_keyvalue("signal", signo_string(handle->signal.signum)); break; default: break; @@ -269,3 +266,4 @@ void WalkHandle(uv_handle_t* h, void* arg) { } } // namespace report +} // namespace node From 43e8be03b6225b2c0beca3475c8b72996bf09e65 Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Tue, 2 Aug 2022 21:04:35 -0700 Subject: [PATCH 057/147] src: remove usages of GetBackingStore in startup This removes all usages of GetBackingStore in startup. See the linked issue for an explanation. Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921 PR-URL: https://github.com/nodejs/node/pull/44078 Reviewed-By: Darshan Sen Reviewed-By: Matteo Collina Reviewed-By: Feng Yu Reviewed-By: Chengzhong Wu Reviewed-By: Anna Henningsen --- src/node.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/node.cc b/src/node.cc index 796fb90250b673..ab395e2988fc77 100644 --- a/src/node.cc +++ b/src/node.cc @@ -266,10 +266,10 @@ static void AtomicsWaitCallback(Isolate::AtomicsWaitEvent event, fprintf(stderr, "(node:%d) [Thread %" PRIu64 "] Atomics.wait(%p + %zx, %" PRId64 - ", %.f) %s\n", + ", %.f) %s\n", static_cast(uv_os_getpid()), env->thread_id(), - array_buffer->GetBackingStore()->Data(), + array_buffer->Data(), offset_in_bytes, value, timeout_in_ms, From ddf9c165d12ba7ad9c9b9fc40ea877e2b489eda6 Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Tue, 2 Aug 2022 21:04:44 -0700 Subject: [PATCH 058/147] src: remove usages of GetBackingStore in WASI This removes all usages of GetBackingStore in WASI. See the linked issue for an explanation. Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921 PR-URL: https://github.com/nodejs/node/pull/44077 Reviewed-By: Jiawen Geng Reviewed-By: Darshan Sen Reviewed-By: Gus Caplan Reviewed-By: Feng Yu Reviewed-By: Matteo Collina Reviewed-By: Anna Henningsen --- src/node_wasi.cc | 8 +++----- src/node_wasm_web_api.cc | 4 ++-- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/src/node_wasi.cc b/src/node_wasi.cc index 965a619c8d4acd..b377228126543f 100644 --- a/src/node_wasi.cc +++ b/src/node_wasi.cc @@ -73,7 +73,6 @@ inline void Debug(WASI* wasi, Args&&... args) { } while (0) using v8::Array; -using v8::BackingStore; using v8::BigInt; using v8::Context; using v8::Exception; @@ -1654,10 +1653,9 @@ void WASI::_SetMemory(const FunctionCallbackInfo& args) { uvwasi_errno_t WASI::backingStore(char** store, size_t* byte_length) { Local memory = PersistentToLocal::Strong(this->memory_); - std::shared_ptr backing_store = - memory->Buffer()->GetBackingStore(); - *byte_length = backing_store->ByteLength(); - *store = static_cast(backing_store->Data()); + Local ab = memory->Buffer(); + *byte_length = ab->ByteLength(); + *store = static_cast(ab->Data()); CHECK_NOT_NULL(*store); return UVWASI_ESUCCESS; } diff --git a/src/node_wasm_web_api.cc b/src/node_wasm_web_api.cc index 67437034bbee34..6fe5a51b4c4202 100644 --- a/src/node_wasm_web_api.cc +++ b/src/node_wasm_web_api.cc @@ -105,12 +105,12 @@ void WasmStreamingObject::Push(const FunctionCallbackInfo& args) { if (LIKELY(chunk->IsArrayBufferView())) { Local view = chunk.As(); - bytes = view->Buffer()->GetBackingStore()->Data(); + bytes = view->Buffer()->Data(); offset = view->ByteOffset(); size = view->ByteLength(); } else if (LIKELY(chunk->IsArrayBuffer())) { Local buffer = chunk.As(); - bytes = buffer->GetBackingStore()->Data(); + bytes = buffer->Data(); offset = 0; size = buffer->ByteLength(); } else { From 34a92d15b7968c987f9e0347350ee7e08af01bd9 Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Tue, 2 Aug 2022 21:04:53 -0700 Subject: [PATCH 059/147] src: remove usages of GetBackingStore in modules This removes all usages of GetBackingStore in modules. See the linked issue for an explanation. Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921 PR-URL: https://github.com/nodejs/node/pull/44076 Reviewed-By: Darshan Sen Reviewed-By: Feng Yu Reviewed-By: Matteo Collina Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Anna Henningsen Reviewed-By: Santiago Gimeno --- src/module_wrap.cc | 4 ++-- src/node_contextify.cc | 6 ++---- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/src/module_wrap.cc b/src/module_wrap.cc index 50ce8d510cb1a4..47b5424c299817 100644 --- a/src/module_wrap.cc +++ b/src/module_wrap.cc @@ -178,8 +178,8 @@ void ModuleWrap::New(const FunctionCallbackInfo& args) { if (!args[5]->IsUndefined()) { CHECK(args[5]->IsArrayBufferView()); Local cached_data_buf = args[5].As(); - uint8_t* data = static_cast( - cached_data_buf->Buffer()->GetBackingStore()->Data()); + uint8_t* data = + static_cast(cached_data_buf->Buffer()->Data()); cached_data = new ScriptCompiler::CachedData(data + cached_data_buf->ByteOffset(), cached_data_buf->ByteLength()); diff --git a/src/node_contextify.cc b/src/node_contextify.cc index f383b6def93bbe..75c0d45b4c8aeb 100644 --- a/src/node_contextify.cc +++ b/src/node_contextify.cc @@ -742,8 +742,7 @@ void ContextifyScript::New(const FunctionCallbackInfo& args) { ScriptCompiler::CachedData* cached_data = nullptr; if (!cached_data_buf.IsEmpty()) { - uint8_t* data = static_cast( - cached_data_buf->Buffer()->GetBackingStore()->Data()); + uint8_t* data = static_cast(cached_data_buf->Buffer()->Data()); cached_data = new ScriptCompiler::CachedData( data + cached_data_buf->ByteOffset(), cached_data_buf->ByteLength()); } @@ -1064,8 +1063,7 @@ void ContextifyContext::CompileFunction( // Read cache from cached data buffer ScriptCompiler::CachedData* cached_data = nullptr; if (!cached_data_buf.IsEmpty()) { - uint8_t* data = static_cast( - cached_data_buf->Buffer()->GetBackingStore()->Data()); + uint8_t* data = static_cast(cached_data_buf->Buffer()->Data()); cached_data = new ScriptCompiler::CachedData( data + cached_data_buf->ByteOffset(), cached_data_buf->ByteLength()); } From 8a7963652879fd60de793347818a19279c97da56 Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Tue, 2 Aug 2022 21:05:02 -0700 Subject: [PATCH 060/147] src: remove usages of GetBackingStore in node-api This removes all usages of GetBackingStore in `node-api`. See the linked issue for an explanation. Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921 PR-URL: https://github.com/nodejs/node/pull/44075 Reviewed-By: Darshan Sen Reviewed-By: Jiawen Geng Reviewed-By: Feng Yu Reviewed-By: Matteo Collina Reviewed-By: Chengzhong Wu Reviewed-By: Anna Henningsen --- src/js_native_api_v8.cc | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc index 5f8e21e0b58c8a..db0cd6eb01e4a6 100644 --- a/src/js_native_api_v8.cc +++ b/src/js_native_api_v8.cc @@ -2780,7 +2780,7 @@ napi_status NAPI_CDECL napi_create_arraybuffer(napi_env env, // Optionally return a pointer to the buffer's data, to avoid another call to // retrieve it. if (data != nullptr) { - *data = buffer->GetBackingStore()->Data(); + *data = buffer->Data(); } *result = v8impl::JsValueFromV8LocalValue(buffer); @@ -2814,15 +2814,14 @@ napi_status NAPI_CDECL napi_get_arraybuffer_info(napi_env env, v8::Local value = v8impl::V8LocalValueFromJsValue(arraybuffer); RETURN_STATUS_IF_FALSE(env, value->IsArrayBuffer(), napi_invalid_arg); - std::shared_ptr backing_store = - value.As()->GetBackingStore(); + v8::Local ab = value.As(); if (data != nullptr) { - *data = backing_store->Data(); + *data = ab->Data(); } if (byte_length != nullptr) { - *byte_length = backing_store->ByteLength(); + *byte_length = ab->ByteLength(); } return napi_clear_last_error(env); @@ -2963,8 +2962,7 @@ napi_status NAPI_CDECL napi_get_typedarray_info(napi_env env, } if (data != nullptr) { - *data = static_cast(buffer->GetBackingStore()->Data()) + - array->ByteOffset(); + *data = static_cast(buffer->Data()) + array->ByteOffset(); } if (arraybuffer != nullptr) { @@ -3044,8 +3042,7 @@ napi_status NAPI_CDECL napi_get_dataview_info(napi_env env, } if (data != nullptr) { - *data = static_cast(buffer->GetBackingStore()->Data()) + - array->ByteOffset(); + *data = static_cast(buffer->Data()) + array->ByteOffset(); } if (arraybuffer != nullptr) { @@ -3255,8 +3252,8 @@ napi_status NAPI_CDECL napi_is_detached_arraybuffer(napi_env env, v8::Local value = v8impl::V8LocalValueFromJsValue(arraybuffer); - *result = value->IsArrayBuffer() && - value.As()->GetBackingStore()->Data() == nullptr; + *result = + value->IsArrayBuffer() && value.As()->Data() == nullptr; return napi_clear_last_error(env); } From c7373b73e30a68e080c3ae047e25b2a42b7dc6a9 Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Tue, 2 Aug 2022 23:45:45 -0700 Subject: [PATCH 061/147] src: remove unowned usages of GetBackingStore This removes all usages of GetBackingStore without any entries in the `CODEOWNERS` file. For the most part this is a pretty straightforward review; except `SPREAD_BUFFER_ARG` and the changes to `CopyArrayBuffer`. See the linked issue for an explanation. Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921 PR-URL: https://github.com/nodejs/node/pull/44080 Reviewed-By: Darshan Sen Reviewed-By: Matteo Collina Reviewed-By: Anna Henningsen --- src/aliased_buffer.h | 7 ++--- src/node_buffer.cc | 59 ++++++++++++++++++++++--------------- src/node_os.cc | 2 +- src/node_process_methods.cc | 6 ++-- src/node_worker.cc | 4 +-- src/node_zlib.cc | 3 +- src/util-inl.h | 3 +- src/util.h | 19 +++++------- 8 files changed, 53 insertions(+), 50 deletions(-) diff --git a/src/aliased_buffer.h b/src/aliased_buffer.h index 6dda51c14615cc..98ea2d31febce2 100644 --- a/src/aliased_buffer.h +++ b/src/aliased_buffer.h @@ -50,7 +50,7 @@ class AliasedBufferBase { // allocate v8 ArrayBuffer v8::Local ab = v8::ArrayBuffer::New( isolate_, size_in_bytes); - buffer_ = static_cast(ab->GetBackingStore()->Data()); + buffer_ = static_cast(ab->Data()); // allocate v8 TypedArray v8::Local js_array = V8T::New(ab, byte_offset_, count); @@ -119,8 +119,7 @@ class AliasedBufferBase { // be removed when we expand the snapshot support. DCHECK_EQ(count_, arr->Length()); DCHECK_EQ(byte_offset_, arr->ByteOffset()); - uint8_t* raw = - static_cast(arr->Buffer()->GetBackingStore()->Data()); + uint8_t* raw = static_cast(arr->Buffer()->Data()); buffer_ = reinterpret_cast(raw + byte_offset_); js_array_.Reset(isolate_, arr); index_ = nullptr; @@ -278,7 +277,7 @@ class AliasedBufferBase { isolate_, new_size_in_bytes); // allocate new native buffer - NativeT* new_buffer = static_cast(ab->GetBackingStore()->Data()); + NativeT* new_buffer = static_cast(ab->Data()); // copy old content memcpy(new_buffer, buffer_, old_size_in_bytes); diff --git a/src/node_buffer.cc b/src/node_buffer.cc index aec97f15e2c809..819e24a35298c8 100644 --- a/src/node_buffer.cc +++ b/src/node_buffer.cc @@ -244,8 +244,7 @@ bool HasInstance(Local obj) { char* Data(Local val) { CHECK(val->IsArrayBufferView()); Local ui = val.As(); - return static_cast(ui->Buffer()->GetBackingStore()->Data()) + - ui->ByteOffset(); + return static_cast(ui->Buffer()->Data()) + ui->ByteOffset(); } @@ -1157,14 +1156,13 @@ static void EncodeInto(const FunctionCallbackInfo& args) { Local dest = args[1].As(); Local buf = dest->Buffer(); - char* write_result = - static_cast(buf->GetBackingStore()->Data()) + dest->ByteOffset(); + char* write_result = static_cast(buf->Data()) + dest->ByteOffset(); size_t dest_length = dest->ByteLength(); // results = [ read, written ] Local result_arr = args[2].As(); uint32_t* results = reinterpret_cast( - static_cast(result_arr->Buffer()->GetBackingStore()->Data()) + + static_cast(result_arr->Buffer()->Data()) + result_arr->ByteOffset()); int nchars; @@ -1228,6 +1226,27 @@ void DetachArrayBuffer(const FunctionCallbackInfo& args) { } } +namespace { + +std::pair DecomposeBufferToParts(Local buffer) { + void* pointer; + size_t byte_length; + if (buffer->IsArrayBuffer()) { + Local ab = buffer.As(); + pointer = ab->Data(); + byte_length = ab->ByteLength(); + } else if (buffer->IsSharedArrayBuffer()) { + Local ab = buffer.As(); + pointer = ab->Data(); + byte_length = ab->ByteLength(); + } else { + UNREACHABLE(); // Caller must validate. + } + return {pointer, byte_length}; +} + +} // namespace + void CopyArrayBuffer(const FunctionCallbackInfo& args) { // args[0] == Destination ArrayBuffer // args[1] == Destination ArrayBuffer Offset @@ -1241,32 +1260,24 @@ void CopyArrayBuffer(const FunctionCallbackInfo& args) { CHECK(args[3]->IsUint32()); CHECK(args[4]->IsUint32()); - std::shared_ptr destination; - std::shared_ptr source; + void* destination; + size_t destination_byte_length; + std::tie(destination, destination_byte_length) = + DecomposeBufferToParts(args[0]); - if (args[0]->IsArrayBuffer()) { - destination = args[0].As()->GetBackingStore(); - } else if (args[0]->IsSharedArrayBuffer()) { - destination = args[0].As()->GetBackingStore(); - } - - if (args[2]->IsArrayBuffer()) { - source = args[2].As()->GetBackingStore(); - } else if (args[0]->IsSharedArrayBuffer()) { - source = args[2].As()->GetBackingStore(); - } + void* source; + size_t source_byte_length; + std::tie(source, source_byte_length) = DecomposeBufferToParts(args[2]); uint32_t destination_offset = args[1].As()->Value(); uint32_t source_offset = args[3].As()->Value(); size_t bytes_to_copy = args[4].As()->Value(); - CHECK_GE(destination->ByteLength() - destination_offset, bytes_to_copy); - CHECK_GE(source->ByteLength() - source_offset, bytes_to_copy); + CHECK_GE(destination_byte_length - destination_offset, bytes_to_copy); + CHECK_GE(source_byte_length - source_offset, bytes_to_copy); - uint8_t* dest = - static_cast(destination->Data()) + destination_offset; - uint8_t* src = - static_cast(source->Data()) + source_offset; + uint8_t* dest = static_cast(destination) + destination_offset; + uint8_t* src = static_cast(source) + source_offset; memcpy(dest, src, bytes_to_copy); } diff --git a/src/node_os.cc b/src/node_os.cc index 046a6106ccd0e5..eea6304158d29a 100644 --- a/src/node_os.cc +++ b/src/node_os.cc @@ -161,7 +161,7 @@ static void GetLoadAvg(const FunctionCallbackInfo& args) { Local array = args[0].As(); CHECK_EQ(array->Length(), 3); Local ab = array->Buffer(); - double* loadavg = static_cast(ab->GetBackingStore()->Data()); + double* loadavg = static_cast(ab->Data()); uv_loadavg(loadavg); } diff --git a/src/node_process_methods.cc b/src/node_process_methods.cc index 350a7094baad59..26a0633b2f0493 100644 --- a/src/node_process_methods.cc +++ b/src/node_process_methods.cc @@ -116,7 +116,7 @@ static void CPUUsage(const FunctionCallbackInfo& args) { // Get the double array pointer from the Float64Array argument. Local ab = get_fields_array_buffer(args, 0, 2); - double* fields = static_cast(ab->GetBackingStore()->Data()); + double* fields = static_cast(ab->Data()); // Set the Float64Array elements to be user / system values in microseconds. fields[0] = MICROS_PER_SEC * rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec; @@ -189,7 +189,7 @@ static void MemoryUsage(const FunctionCallbackInfo& args) { // Get the double array pointer from the Float64Array argument. Local ab = get_fields_array_buffer(args, 0, 5); - double* fields = static_cast(ab->GetBackingStore()->Data()); + double* fields = static_cast(ab->Data()); size_t rss; int err = uv_resident_set_memory(&rss); @@ -311,7 +311,7 @@ static void ResourceUsage(const FunctionCallbackInfo& args) { return env->ThrowUVException(err, "uv_getrusage"); Local ab = get_fields_array_buffer(args, 0, 16); - double* fields = static_cast(ab->GetBackingStore()->Data()); + double* fields = static_cast(ab->Data()); fields[0] = MICROS_PER_SEC * rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec; fields[1] = MICROS_PER_SEC * rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec; diff --git a/src/node_worker.cc b/src/node_worker.cc index 8385bc96231257..c6d84de41abb00 100644 --- a/src/node_worker.cc +++ b/src/node_worker.cc @@ -710,9 +710,7 @@ void Worker::GetResourceLimits(const FunctionCallbackInfo& args) { Local Worker::GetResourceLimits(Isolate* isolate) const { Local ab = ArrayBuffer::New(isolate, sizeof(resource_limits_)); - memcpy(ab->GetBackingStore()->Data(), - resource_limits_, - sizeof(resource_limits_)); + memcpy(ab->Data(), resource_limits_, sizeof(resource_limits_)); return Float64Array::New(ab, 0, kTotalResourceLimitCount); } diff --git a/src/node_zlib.cc b/src/node_zlib.cc index 5930ffd7a8ae8e..04c176095f8af2 100644 --- a/src/node_zlib.cc +++ b/src/node_zlib.cc @@ -605,8 +605,7 @@ class ZlibStream final : public CompressionStream { CHECK(args[4]->IsUint32Array()); Local array = args[4].As(); Local ab = array->Buffer(); - uint32_t* write_result = static_cast( - ab->GetBackingStore()->Data()); + uint32_t* write_result = static_cast(ab->Data()); CHECK(args[5]->IsFunction()); Local write_js_callback = args[5].As(); diff --git a/src/util-inl.h b/src/util-inl.h index 327893618525f8..caadba9dae2caa 100644 --- a/src/util-inl.h +++ b/src/util-inl.h @@ -537,8 +537,7 @@ void ArrayBufferViewContents::Read(v8::Local abv) { static_assert(sizeof(T) == 1, "Only supports one-byte data at the moment"); length_ = abv->ByteLength(); if (length_ > sizeof(stack_storage_) || abv->HasBuffer()) { - data_ = static_cast(abv->Buffer()->GetBackingStore()->Data()) + - abv->ByteOffset(); + data_ = static_cast(abv->Buffer()->Data()) + abv->ByteOffset(); } else { abv->CopyContents(stack_storage_, sizeof(stack_storage_)); data_ = stack_storage_; diff --git a/src/util.h b/src/util.h index a48071b093db97..cfb7d1e65fad08 100644 --- a/src/util.h +++ b/src/util.h @@ -535,17 +535,14 @@ class BufferValue : public MaybeStackBuffer { inline std::string ToString() const { return std::string(out(), length()); } }; -#define SPREAD_BUFFER_ARG(val, name) \ - CHECK((val)->IsArrayBufferView()); \ - v8::Local name = (val).As(); \ - std::shared_ptr name##_bs = \ - name->Buffer()->GetBackingStore(); \ - const size_t name##_offset = name->ByteOffset(); \ - const size_t name##_length = name->ByteLength(); \ - char* const name##_data = \ - static_cast(name##_bs->Data()) + name##_offset; \ - if (name##_length > 0) \ - CHECK_NE(name##_data, nullptr); +#define SPREAD_BUFFER_ARG(val, name) \ + CHECK((val)->IsArrayBufferView()); \ + v8::Local name = (val).As(); \ + const size_t name##_offset = name->ByteOffset(); \ + const size_t name##_length = name->ByteLength(); \ + char* const name##_data = \ + static_cast(name->Buffer()->Data()) + name##_offset; \ + if (name##_length > 0) CHECK_NE(name##_data, nullptr); // Use this when a variable or parameter is unused in order to explicitly // silence a compiler warning about that. From 0de278c05697f9bb4d6361b0c71aa27e59c1e04d Mon Sep 17 00:00:00 2001 From: Chengzhong Wu Date: Thu, 4 Aug 2022 01:01:53 +0800 Subject: [PATCH 062/147] meta: add codeowner for src/node_snapshot* MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/44113 Reviewed-By: Matteo Collina Reviewed-By: Richard Lau Reviewed-By: Darshan Sen Reviewed-By: Joyee Cheung Reviewed-By: Tobias Nießen --- .github/CODEOWNERS | 1 + 1 file changed, 1 insertion(+) diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index 6d69bbf54be1d6..87a37ad5054a24 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -108,6 +108,7 @@ /benchmark/misc/startup.js @nodejs/startup /src/node.cc @nodejs/startup /src/node_native_module* @nodejs/startup +/src/node_snapshot* @nodejs/startup /lib/internal/bootstrap/* @nodejs/startup /tools/snapshot/* @nodejs/startup From 0e67128e6cb21902ad62fe24f89c224eac44276b Mon Sep 17 00:00:00 2001 From: SADIK KUZU Date: Thu, 4 Aug 2022 00:48:09 +0300 Subject: [PATCH 063/147] src,test: fix typos MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * src: fix typo in `src/node_messaging.h` (`postMesssage` -> `postMessage`). * test/es-module: fix typo in `test-cjs-exports.js` (`eror` -> `error`). PR-URL: https://github.com/nodejs/node/pull/44110 Reviewed-By: Feng Yu Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Antoine du Hamel Reviewed-By: Mestery Reviewed-By: Anna Henningsen Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca --- src/node_messaging.h | 2 +- test/es-module/test-esm-cjs-exports.js | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/node_messaging.h b/src/node_messaging.h index 643604e4a99f15..6b65d4523e6ac3 100644 --- a/src/node_messaging.h +++ b/src/node_messaging.h @@ -316,7 +316,7 @@ class MessagePort : public HandleWrap { }; // Provide a base class from which JS classes that should be transferable or -// cloneable by postMesssage() can inherit. +// cloneable by postMessage() can inherit. // See e.g. FileHandle in internal/fs/promises.js for an example. class JSTransferable : public BaseObject { public: diff --git a/test/es-module/test-esm-cjs-exports.js b/test/es-module/test-esm-cjs-exports.js index 4a5a9ffceecc2a..4f79d2ce4bcb8c 100644 --- a/test/es-module/test-esm-cjs-exports.js +++ b/test/es-module/test-esm-cjs-exports.js @@ -17,7 +17,7 @@ describe('ESM: importing CJS', { concurrency: true }, () => { assert.strictEqual(stdout, 'ok\n'); }); - it('should eror on invalid CJS exports', async () => { + it('should error on invalid CJS exports', async () => { const invalidEntry = fixtures.path('/es-modules/cjs-exports-invalid.mjs'); const { code, signal, stderr } = await spawnPromisified(execPath, [invalidEntry]); From 5adf039bff1c767741998f555d38ef3aa5f7b775 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Wed, 3 Aug 2022 14:54:36 -0700 Subject: [PATCH 064/147] doc: update repository list in onboarding doc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit LTS repo is now Release. readable-stream is important but a bit of a specialized topic. The others listed here are of general interest. PR-URL: https://github.com/nodejs/node/pull/44089 Reviewed-By: Antoine du Hamel Reviewed-By: Feng Yu Reviewed-By: Michaël Zasso Reviewed-By: Mestery Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Darshan Sen --- onboarding.md | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/onboarding.md b/onboarding.md index 24f03de0350af6..2bee19f7820805 100644 --- a/onboarding.md +++ b/onboarding.md @@ -241,8 +241,7 @@ needs to be pointed out separately during the onboarding. * * * - * - * + * * * The OpenJS Foundation hosts regular summits for active contributors to the Node.js project, where we have face-to-face discussions about our work on the From 29bbabdaf66525c7bcf061704257cdf41b6dc562 Mon Sep 17 00:00:00 2001 From: Adam Majer Date: Thu, 4 Aug 2022 01:46:23 +0200 Subject: [PATCH 065/147] doc: clarify tls.tlsSocket.getCipher().version The getCipher() returns a tuple that includes protocol version string. This string refers to the minimum protocol version string, as per documentation. What is missing is a reference to the documentation where to get the negotiated cipher for the socket connection and a clearer example. Fixes: https://github.com/nodejs/node/issues/43406 PR-URL: https://github.com/nodejs/node/pull/44086 Reviewed-By: Luigi Pinca Reviewed-By: Ben Noordhuis --- doc/api/tls.md | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/doc/api/tls.md b/doc/api/tls.md index aa08ec62e948d6..1d4db99a11bf22 100644 --- a/doc/api/tls.md +++ b/doc/api/tls.md @@ -1098,17 +1098,17 @@ changes: * `name` {string} OpenSSL name for the cipher suite. * `standardName` {string} IETF name for the cipher suite. * `version` {string} The minimum TLS protocol version supported by this cipher - suite. + suite. For the actual negotiated protocol, see [`tls.TLSSocket.getProtocol()`][]. Returns an object containing information on the negotiated cipher suite. -For example: +For example, a TLSv1.2 protocol with AES256-SHA cipher: ```json { - "name": "AES128-SHA256", - "standardName": "TLS_RSA_WITH_AES_128_CBC_SHA256", - "version": "TLSv1.2" + "name": "AES256-SHA", + "standardName": "TLS_RSA_WITH_AES_256_CBC_SHA", + "version": "SSLv3" } ``` @@ -2258,6 +2258,7 @@ added: v11.4.0 [`tls.Server`]: #class-tlsserver [`tls.TLSSocket.enableTrace()`]: #tlssocketenabletrace [`tls.TLSSocket.getPeerCertificate()`]: #tlssocketgetpeercertificatedetailed +[`tls.TLSSocket.getProtocol()`]: #tlssocketgetprotocol [`tls.TLSSocket.getSession()`]: #tlssocketgetsession [`tls.TLSSocket.getTLSTicket()`]: #tlssocketgettlsticket [`tls.TLSSocket`]: #class-tlstlssocket From e6a47e85d22232a353aa14dc0fd1a35227a5f91f Mon Sep 17 00:00:00 2001 From: Adam Majer Date: Thu, 4 Aug 2022 01:46:31 +0200 Subject: [PATCH 066/147] net, dns: socket should handle its output as input As a consequence of https://github.com/nodejs/node/issues/43014 , server sockets and others, once connected, report string family names. But when feeding these to Socket.connect(), it passes these to host resolution with a string for family while a numeric family is expected internally. This results in wrong hints flags to be set and resolution to fail. As solution, is to add ability to handle both numeric and string family names when doing lookup and connect. Fixes: https://github.com/nodejs/node/issues/44003 PR-URL: https://github.com/nodejs/node/pull/44083 Reviewed-By: Paolo Insogna Reviewed-By: Luigi Pinca --- lib/net.js | 12 +++++++++++- test/parallel/parallel.status | 10 ---------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/lib/net.js b/lib/net.js index 96aea96cbf9a24..845805edb6a507 100644 --- a/lib/net.js +++ b/lib/net.js @@ -1110,6 +1110,16 @@ Socket.prototype.connect = function(...args) { return this; }; +function socketToDnsFamily(family) { + switch (family) { + case 'IPv4': + return 4; + case 'IPv6': + return 6; + } + + return family; +} function lookupAndConnect(self, options) { const { localAddress, localPort } = options; @@ -1152,7 +1162,7 @@ function lookupAndConnect(self, options) { if (dns === undefined) dns = require('dns'); const dnsopts = { - family: options.family, + family: socketToDnsFamily(options.family), hints: options.hints || 0 }; diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status index 911787a091b5e3..bafd4e16aaf004 100644 --- a/test/parallel/parallel.status +++ b/test/parallel/parallel.status @@ -37,10 +37,6 @@ test-crypto-dh-stateless: SKIP test-crypto-keygen: SKIP [$system==solaris] # Also applies to SmartOS -# https://github.com/nodejs/node/pull/43054 -test-net-socket-connect-without-cb: SKIP -test-net-socket-ready-without-cb: SKIP -test-tcp-wrap-listen: SKIP # https://github.com/nodejs/node/issues/43446 test-net-connect-reset-until-connected: PASS, FLAKY # https://github.com/nodejs/node/issues/43457 @@ -65,12 +61,6 @@ test-worker-message-port-message-before-close: PASS,FLAKY # https://github.com/nodejs/node/issues/43446 test-net-connect-reset-until-connected: PASS, FLAKY -[$system==aix] -# https://github.com/nodejs/node/pull/43054 -test-net-socket-connect-without-cb: SKIP -test-net-socket-ready-without-cb: SKIP -test-tcp-wrap-listen: SKIP - [$system==ibmi] # https://github.com/nodejs/node/pull/30819 test-child-process-fork-net-server: SKIP From 08f6f1c5b0d1fba1735e3e1da5a19a61eee011c7 Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Wed, 3 Aug 2022 19:18:38 -0700 Subject: [PATCH 067/147] src,buffer: remove unused chars_written parameter MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This parameter was always being set to `nullptr` by its callers, either explicitly or implicitly via the default argument. It was also buggy, as in some cases it wouldn't be written to, potentially leaking stack memory (see the early returns in `StringBytes::WriteUCS2`). Remove it entirely. PR-URL: https://github.com/nodejs/node/pull/44092 Reviewed-By: Feng Yu Reviewed-By: Anna Henningsen Reviewed-By: Luigi Pinca Reviewed-By: Tobias Nießen Reviewed-By: Darshan Sen --- src/api/encoding.cc | 2 +- src/node_buffer.cc | 16 ++++------------ src/string_bytes.cc | 33 ++++++++------------------------- src/string_bytes.h | 6 ++---- 4 files changed, 15 insertions(+), 42 deletions(-) diff --git a/src/api/encoding.cc b/src/api/encoding.cc index f64aeee15c3b34..68278ff7371d80 100644 --- a/src/api/encoding.cc +++ b/src/api/encoding.cc @@ -150,7 +150,7 @@ ssize_t DecodeWrite(Isolate* isolate, size_t buflen, Local val, enum encoding encoding) { - return StringBytes::Write(isolate, buf, buflen, val, encoding, nullptr); + return StringBytes::Write(isolate, buf, buflen, val, encoding); } } // namespace node diff --git a/src/node_buffer.cc b/src/node_buffer.cc index 819e24a35298c8..18a29523e75d3f 100644 --- a/src/node_buffer.cc +++ b/src/node_buffer.cc @@ -666,12 +666,8 @@ void Fill(const FunctionCallbackInfo& args) { // Write initial String to Buffer, then use that memory to copy remainder // of string. Correct the string length for cases like HEX where less than // the total string length is written. - str_length = StringBytes::Write(env->isolate(), - ts_obj_data + start, - fill_length, - str_obj, - enc, - nullptr); + str_length = StringBytes::Write( + env->isolate(), ts_obj_data + start, fill_length, str_obj, enc); } start_fill: @@ -730,12 +726,8 @@ void StringWrite(const FunctionCallbackInfo& args) { if (max_length == 0) return args.GetReturnValue().Set(0); - uint32_t written = StringBytes::Write(env->isolate(), - ts_obj_data + offset, - max_length, - str, - encoding, - nullptr); + uint32_t written = StringBytes::Write( + env->isolate(), ts_obj_data + offset, max_length, str, encoding); args.GetReturnValue().Set(written); } diff --git a/src/string_bytes.cc b/src/string_bytes.cc index 5b530c85477310..2f512a844f193d 100644 --- a/src/string_bytes.cc +++ b/src/string_bytes.cc @@ -260,12 +260,8 @@ static size_t hex_decode(char* buf, return i; } -size_t StringBytes::WriteUCS2(Isolate* isolate, - char* buf, - size_t buflen, - Local str, - int flags, - size_t* chars_written) { +size_t StringBytes::WriteUCS2( + Isolate* isolate, char* buf, size_t buflen, Local str, int flags) { uint16_t* const dst = reinterpret_cast(buf); size_t max_chars = buflen / sizeof(*dst); @@ -277,7 +273,6 @@ size_t StringBytes::WriteUCS2(Isolate* isolate, size_t nchars; if (aligned_dst == dst) { nchars = str->Write(isolate, dst, 0, max_chars, flags); - *chars_written = nchars; return nchars * sizeof(*dst); } @@ -285,7 +280,9 @@ size_t StringBytes::WriteUCS2(Isolate* isolate, // Write all but the last char max_chars = std::min(max_chars, static_cast(str->Length())); - if (max_chars == 0) return 0; + if (max_chars == 0) { + return 0; + } nchars = str->Write(isolate, aligned_dst, 0, max_chars - 1, flags); CHECK_EQ(nchars, max_chars - 1); @@ -298,23 +295,16 @@ size_t StringBytes::WriteUCS2(Isolate* isolate, memcpy(buf + nchars * sizeof(*dst), &last, sizeof(last)); nchars++; - *chars_written = nchars; return nchars * sizeof(*dst); } - size_t StringBytes::Write(Isolate* isolate, char* buf, size_t buflen, Local val, - enum encoding encoding, - int* chars_written) { + enum encoding encoding) { HandleScope scope(isolate); size_t nbytes; - int nchars; - - if (chars_written == nullptr) - chars_written = &nchars; CHECK(val->IsString() == true); Local str = val.As(); @@ -334,19 +324,15 @@ size_t StringBytes::Write(Isolate* isolate, uint8_t* const dst = reinterpret_cast(buf); nbytes = str->WriteOneByte(isolate, dst, 0, buflen, flags); } - *chars_written = nbytes; break; case BUFFER: case UTF8: - nbytes = str->WriteUtf8(isolate, buf, buflen, chars_written, flags); + nbytes = str->WriteUtf8(isolate, buf, buflen, nullptr, flags); break; case UCS2: { - size_t nchars; - - nbytes = WriteUCS2(isolate, buf, buflen, str, flags, &nchars); - *chars_written = static_cast(nchars); + nbytes = WriteUCS2(isolate, buf, buflen, str, flags); // Node's "ucs2" encoding wants LE character data stored in // the Buffer, so we need to reorder on BE platforms. See @@ -368,7 +354,6 @@ size_t StringBytes::Write(Isolate* isolate, String::Value value(isolate, str); nbytes = base64_decode(buf, buflen, *value, value.length()); } - *chars_written = nbytes; break; case HEX: @@ -379,7 +364,6 @@ size_t StringBytes::Write(Isolate* isolate, String::Value value(isolate, str); nbytes = hex_decode(buf, buflen, *value, value.length()); } - *chars_written = nbytes; break; default: @@ -390,7 +374,6 @@ size_t StringBytes::Write(Isolate* isolate, return nbytes; } - // Quick and dirty size calculation // Will always be at least big enough, but may have some extra // UTF8 can be as much as 3x the size, Base64 can have 1-2 extra bytes diff --git a/src/string_bytes.h b/src/string_bytes.h index 69bb828e018cb0..ad1f15b05704c8 100644 --- a/src/string_bytes.h +++ b/src/string_bytes.h @@ -75,8 +75,7 @@ class StringBytes { char* buf, size_t buflen, v8::Local val, - enum encoding enc, - int* chars_written = nullptr); + enum encoding enc); // Take the bytes in the src, and turn it into a Buffer or String. static v8::MaybeLocal Encode(v8::Isolate* isolate, @@ -111,8 +110,7 @@ class StringBytes { char* buf, size_t buflen, v8::Local str, - int flags, - size_t* chars_written); + int flags); }; } // namespace node From a36befa3de30bf9eb9264e4e7eb33bce691a282e Mon Sep 17 00:00:00 2001 From: Antoine du Hamel Date: Thu, 4 Aug 2022 06:03:28 +0200 Subject: [PATCH 068/147] test_runner: refactor to use more primordials PR-URL: https://github.com/nodejs/node/pull/44062 Reviewed-By: Mestery Reviewed-By: Feng Yu --- lib/internal/test_runner/test.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js index e2d068e87bb051..3ebb4bc0a2dff9 100644 --- a/lib/internal/test_runner/test.js +++ b/lib/internal/test_runner/test.js @@ -240,7 +240,7 @@ class Test extends AsyncResource { } addPendingSubtest(deferred) { - this.pendingSubtests.push(deferred); + ArrayPrototypePush(this.pendingSubtests, deferred); } async processPendingSubtests() { From 68c4e45baef08b19bb3f2dc4bb3db4be9aad33ed Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Wed, 3 Aug 2022 22:37:59 -0700 Subject: [PATCH 069/147] doc,worker: deprecate `--trace-atomics-wait` V8 has asked if it possible to remove the functionality underlying `--trace-atomics-wait`. Let's start with a documentation-only deprecation. PR-URL: https://github.com/nodejs/node/pull/44093 Refs: https://github.com/nodejs/node/issues/42982 Reviewed-By: Antoine du Hamel Reviewed-By: Feng Yu --- doc/api/cli.md | 3 +++ doc/api/deprecations.md | 14 ++++++++++++++ doc/node.1 | 1 + src/node_options.cc | 2 +- 4 files changed, 19 insertions(+), 1 deletion(-) diff --git a/doc/api/cli.md b/doc/api/cli.md index c7ac5c8437e50d..8ce39b62fe17e4 100644 --- a/doc/api/cli.md +++ b/doc/api/cli.md @@ -1289,8 +1289,11 @@ for TLSv1.2, which is not as secure as TLSv1.3. +> Stability: 0 - Deprecated + Print short summaries of calls to [`Atomics.wait()`][] to stderr. The output could look like this: diff --git a/doc/api/deprecations.md b/doc/api/deprecations.md index b3d969c8851f4f..2fed73c7d93566 100644 --- a/doc/api/deprecations.md +++ b/doc/api/deprecations.md @@ -3169,6 +3169,19 @@ Type: Documentation-only `code` values other than `undefined`, `null`, integer numbers and integer strings (e.g., '1') are deprecated as parameter in [`process.exit()`][]. +### DEP0165: `--trace-atomics-wait` + + + +Type: Documentation-only + +The [`--trace-atomics-wait`][] flag is deprecated. + [Legacy URL API]: url.md#legacy-url-api [NIST SP 800-38D]: https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf [RFC 6066]: https://tools.ietf.org/html/rfc6066#section-3 @@ -3176,6 +3189,7 @@ strings (e.g., '1') are deprecated as parameter in [`process.exit()`][]. [`"exports"` or `"main"` entry]: packages.md#main-entry-point-export [`--pending-deprecation`]: cli.md#--pending-deprecation [`--throw-deprecation`]: cli.md#--throw-deprecation +[`--trace-atomics-wait`]: cli.md#--trace-atomics-wait [`--unhandled-rejections`]: cli.md#--unhandled-rejectionsmode [`Buffer.allocUnsafeSlow(size)`]: buffer.md#static-method-bufferallocunsafeslowsize [`Buffer.from(array)`]: buffer.md#static-method-bufferfromarray diff --git a/doc/node.1 b/doc/node.1 index 2a1e80c96dfc1d..7ee4f2310f1a20 100644 --- a/doc/node.1 +++ b/doc/node.1 @@ -432,6 +432,7 @@ favour of TLSv1.3, which is more secure. Print short summaries of calls to .Sy Atomics.wait() . . +This flag is deprecated. .It Fl -trace-deprecation Print stack traces for deprecations. . diff --git a/src/node_options.cc b/src/node_options.cc index 496ae573aa7a9c..1365262ded844c 100644 --- a/src/node_options.cc +++ b/src/node_options.cc @@ -540,7 +540,7 @@ EnvironmentOptionsParser::EnvironmentOptionsParser() { &EnvironmentOptions::throw_deprecation, kAllowedInEnvironment); AddOption("--trace-atomics-wait", - "trace Atomics.wait() operations", + "(deprecated) trace Atomics.wait() operations", &EnvironmentOptions::trace_atomics_wait, kAllowedInEnvironment); AddOption("--trace-deprecation", From 1f33319d13de99fa0c9f1ae32a9f02c93fa68ef5 Mon Sep 17 00:00:00 2001 From: theanarkh Date: Thu, 4 Aug 2022 19:42:17 +0800 Subject: [PATCH 070/147] doc: add theanarkh to collaborators Fixes: https://github.com/nodejs/node/issues/44006 PR-URL: https://github.com/nodejs/node/pull/44131 Reviewed-By: Joyee Cheung Reviewed-By: Jiawen Geng Reviewed-By: Feng Yu Reviewed-By: LiviaMedeiros Reviewed-By: Xuguang Mei --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index 78645b0e526667..f79cc099707f52 100644 --- a/README.md +++ b/README.md @@ -426,6 +426,8 @@ For information about the governance of the Node.js project, see **Stewart X Addison** <> (he/him) * [targos](https://github.com/targos) - **Michaël Zasso** <> (he/him) +* [theanarkh](https://github.com/theanarkh) - + **theanarkh** <> (he/him) * [TimothyGu](https://github.com/TimothyGu) - **Tiancheng "Timothy" Gu** <> (he/him) * [tniessen](https://github.com/tniessen) - From 6cfb1ac4193e35bd041465d9518089cf40bca262 Mon Sep 17 00:00:00 2001 From: Brian White Date: Thu, 28 Jul 2022 18:38:25 -0400 Subject: [PATCH 071/147] deps: upgrade base64 to dc6a41ce36e MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes: https://github.com/nodejs/node/issues/43894 PR-URL: https://github.com/nodejs/node/pull/44032 Reviewed-By: Colin Ihrig Reviewed-By: Mestery Reviewed-By: Tobias Nießen Reviewed-By: Feng Yu Reviewed-By: Chengzhong Wu --- deps/base64/base64/defines.txt | 362 ++++++++++++++++++ deps/base64/base64/lib/arch/neon64/codec.c | 9 +- deps/base64/base64/lib/arch/neon64/enc_loop.c | 67 ---- .../base64/lib/arch/neon64/enc_loop_asm.c | 167 ++++++++ 4 files changed, 536 insertions(+), 69 deletions(-) create mode 100644 deps/base64/base64/defines.txt create mode 100644 deps/base64/base64/lib/arch/neon64/enc_loop_asm.c diff --git a/deps/base64/base64/defines.txt b/deps/base64/base64/defines.txt new file mode 100644 index 00000000000000..17e7303594dd43 --- /dev/null +++ b/deps/base64/base64/defines.txt @@ -0,0 +1,362 @@ +#define __DBL_MIN_EXP__ (-1021) +#define __LDBL_MANT_DIG__ 113 +#define STOR(A,B,C,D) "st4 {"A".16b, "B".16b, "C".16b, "D".16b}, [%[dst]], #64 \n\t" +#define ROUND_A() SHUF("v2", "v3", "v4") LOAD("v12", "v13", "v14") TRAN("v2", "v3", "v4", "v5") STOR("v2", "v3", "v4", "v5") +#define __UINT_LEAST16_MAX__ 0xffff +#define __ARM_SIZEOF_WCHAR_T 4 +#define __DBL_DECIMAL_DIG__ 17 +#define __ATOMIC_ACQUIRE 2 +#define __FLT128_MAX_10_EXP__ 4932 +#define __FLT_MIN__ 1.17549435082228750796873653722224568e-38F +#define __GCC_IEC_559_COMPLEX 2 +#define __UINT_LEAST8_TYPE__ unsigned char +#define __FLT128_DIG__ 33 +#define __INTMAX_C(c) c ## L +#define __CHAR_BIT__ 8 +#define __UINT8_MAX__ 0xff +#define __WCHAR_MAX__ 0xffffffffU +#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1 +#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1 +#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1 +#define __GCC_ATOMIC_CHAR_LOCK_FREE 2 +#define __GCC_IEC_559 2 +#define __FLT32X_DECIMAL_DIG__ 17 +#define __FLT_EVAL_METHOD__ 0 +#define HAVE_NEON64 1 +#define __FLT64_DECIMAL_DIG__ 17 +#define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2 +#define __UINT_FAST32_TYPE__ long unsigned int +#define __UINT_FAST64_MAX__ 0xffffffffffffffffUL +#define __SIG_ATOMIC_TYPE__ int +#define __DBL_MIN_10_EXP__ (-307) +#define __FINITE_MATH_ONLY__ 0 +#define __FLT32X_MAX_EXP__ 1024 +#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1 +#define __GNUC_PATCHLEVEL__ 1 +#define __FLT32_HAS_DENORM__ 1 +#define __UINT_FAST8_MAX__ 0xff +#define __INT8_C(c) c +#define __INT_LEAST8_WIDTH__ 8 +#define __INTMAX_TYPE__ long int +#define __UINT_LEAST64_MAX__ 0xffffffffffffffffUL +#define __SHRT_MAX__ 0x7fff +#define __STDC_ISO_10646__ 201706L +#define __LDBL_MAX__ 1.18973149535723176508575932662800702e+4932L +#define __ARM_FEATURE_IDIV 1 +#define __FLT64X_MAX_10_EXP__ 4932 +#define __ARM_FP 14 +#define __FLT64X_HAS_QUIET_NAN__ 1 +#define __WINT_TYPE__ unsigned int +#define __UINT_LEAST8_MAX__ 0xff +#define __FLT128_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966F128 +#define __UINTMAX_TYPE__ long unsigned int +#define _STDC_PREDEF_H 1 +#define __linux 1 +#define __FLT_EVAL_METHOD_TS_18661_3__ 0 +#define __CHAR_UNSIGNED__ 1 +#define __UINT32_MAX__ 0xffffffffU +#define __DBL_DENORM_MIN__ ((double)4.94065645841246544176568792868221372e-324L) +#define __AARCH64_CMODEL_SMALL__ 1 +#define __LDBL_MAX_EXP__ 16384 +#define __INT_FAST32_WIDTH__ 64 +#define __FLT128_MIN_EXP__ (-16381) +#define __FLT128_MIN_10_EXP__ (-4931) +#define __INT_LEAST16_WIDTH__ 16 +#define __FLT64X_MIN_EXP__ (-16381) +#define __SCHAR_MAX__ 0x7f +#define __FLT128_MANT_DIG__ 113 +#define __DBL_MAX__ ((double)1.79769313486231570814527423731704357e+308L) +#define __WCHAR_MIN__ 0U +#define __INT64_C(c) c ## L +#define __GCC_ATOMIC_POINTER_LOCK_FREE 2 +#define __SIZEOF_INT__ 4 +#define __INT_FAST64_WIDTH__ 64 +#define __PRAGMA_REDEFINE_EXTNAME 1 +#define __FLT32X_MANT_DIG__ 53 +#define __USER_LABEL_PREFIX__ +#define __FLT32_MAX_10_EXP__ 38 +#define __FLT64X_EPSILON__ 1.92592994438723585305597794258492732e-34F64x +#define __STDC_HOSTED__ 1 +#define __DBL_DIG__ 15 +#define __FLT32_DIG__ 6 +#define __FLT_EPSILON__ 1.19209289550781250000000000000000000e-7F +#define __SHRT_WIDTH__ 16 +#define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L +#define __STDC_UTF_16__ 1 +#define __FLT16_HAS_QUIET_NAN__ 1 +#define __ARM_SIZEOF_MINIMAL_ENUM 4 +#define __FLT64X_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966F64x +#define __FP_FAST_FMA 1 +#define __FLT32X_HAS_INFINITY__ 1 +#define __INT32_MAX__ 0x7fffffff +#define __FLT16_DIG__ 3 +#define __INT_WIDTH__ 32 +#define __SIZEOF_LONG__ 8 +#define __STDC_IEC_559__ 1 +#define __UINT16_C(c) c +#define __DECIMAL_DIG__ 36 +#define __STDC_IEC_559_COMPLEX__ 1 +#define __FLT64_EPSILON__ 2.22044604925031308084726333618164062e-16F64 +#define __gnu_linux__ 1 +#define __INT16_MAX__ 0x7fff +#define LOAD(A,B,C) "ld3 {"A".16b, "B".16b, "C".16b}, [%[src]], #48 \n\t" +#define __FLT64X_MIN_10_EXP__ (-4931) +#define __LDBL_HAS_QUIET_NAN__ 1 +#define __FLT16_MIN_EXP__ (-13) +#define __FLT64_MANT_DIG__ 53 +#define __FLT64X_MANT_DIG__ 113 +#define __GNUC__ 10 +#define __FLT_HAS_DENORM__ 1 +#define __SIZEOF_LONG_DOUBLE__ 16 +#define __LDBL_MIN_EXP__ (-16381) +#define __FLT64_MAX_10_EXP__ 308 +#define __FLT16_MAX_10_EXP__ 4 +#define __INT_FAST32_MAX__ 0x7fffffffffffffffL +#define __DBL_HAS_INFINITY__ 1 +#define __HAVE_SPECULATION_SAFE_VALUE 1 +#define __INTPTR_WIDTH__ 64 +#define __FLT32X_HAS_DENORM__ 1 +#define __INT_FAST16_TYPE__ long int +#define __LDBL_HAS_DENORM__ 1 +#define __FLT128_HAS_INFINITY__ 1 +#define __FLT32_DECIMAL_DIG__ 9 +#define __DBL_MAX_EXP__ 1024 +#define __WCHAR_WIDTH__ 32 +#define __FLT32_MAX__ 3.40282346638528859811704183484516925e+38F32 +#define __GCC_ATOMIC_LONG_LOCK_FREE 2 +#define __FLT16_DECIMAL_DIG__ 5 +#define __FLT32_HAS_QUIET_NAN__ 1 +#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL +#define __SIZEOF_SIZE_T__ 8 +#define __SIG_ATOMIC_WIDTH__ 32 +#define __ARM_ALIGN_MAX_PWR 28 +#define __SIZEOF_WINT_T__ 4 +#define __LONG_LONG_WIDTH__ 64 +#define __FLT32_MAX_EXP__ 128 +#define __ARM_FP16_FORMAT_IEEE 1 +#define __FLT_MIN_EXP__ (-125) +#define __FLT64_NORM_MAX__ 1.79769313486231570814527423731704357e+308F64 +#define __GCC_HAVE_DWARF2_CFI_ASM 1 +#define __FLT32X_MIN_EXP__ (-1021) +#define __INT_FAST64_TYPE__ long int +#define __ARM_FP16_ARGS 1 +#define __FP_FAST_FMAF 1 +#define __FLT128_NORM_MAX__ 1.18973149535723176508575932662800702e+4932F128 +#define __FLT64_DENORM_MIN__ 4.94065645841246544176568792868221372e-324F64 +#define __DBL_MIN__ ((double)2.22507385850720138309023271733240406e-308L) +#define __ARM_FEATURE_CLZ 1 +#define __FLT16_DENORM_MIN__ 5.96046447753906250000000000000000000e-8F16 +#define __unix__ 1 +#define __FLT64X_NORM_MAX__ 1.18973149535723176508575932662800702e+4932F64x +#define __SIZEOF_POINTER__ 8 +#define __GXX_ABI_VERSION 1014 +#define __LP64__ 1 +#define __DBL_HAS_QUIET_NAN__ 1 +#define __FLT_EVAL_METHOD_C99__ 0 +#define __FLT32X_EPSILON__ 2.22044604925031308084726333618164062e-16F32x +#define __FLT64_MIN_EXP__ (-1021) +#define __UINT64_MAX__ 0xffffffffffffffffUL +#define __LDBL_DECIMAL_DIG__ 36 +#define __FLT_MAX__ 3.40282346638528859811704183484516925e+38F +#define __aarch64__ 1 +#define __FLT64_MIN_10_EXP__ (-307) +#define __FLT64X_DECIMAL_DIG__ 36 +#define __REGISTER_PREFIX__ +#define __UINT16_MAX__ 0xffff +#define __INTMAX_WIDTH__ 64 +#define __LDBL_HAS_INFINITY__ 1 +#define __FLT32_MIN__ 1.17549435082228750796873653722224568e-38F32 +#define __FLT_DIG__ 6 +#define __NO_INLINE__ 1 +#define __DEC_EVAL_METHOD__ 2 +#define __FLT_MANT_DIG__ 24 +#define __FLT16_MIN_10_EXP__ (-4) +#define __VERSION__ "10.3.1 20210621" +#define __UINT64_C(c) c ## UL +#define __WINT_MAX__ 0xffffffffU +#define __INT_LEAST32_MAX__ 0x7fffffff +#define __GCC_ATOMIC_INT_LOCK_FREE 2 +#define __FLT32X_MIN__ 2.22507385850720138309023271733240406e-308F32x +#define __FLT128_MAX_EXP__ 16384 +#define __FLT32_MANT_DIG__ 24 +#define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__ +#define __FLT16_MAX_EXP__ 16 +#define __BIGGEST_ALIGNMENT__ 16 +#define __INT32_C(c) c +#define __FLT128_HAS_DENORM__ 1 +#define __SCHAR_WIDTH__ 8 +#define __ORDER_PDP_ENDIAN__ 3412 +#define __ARM_64BIT_STATE 1 +#define __INT_FAST32_TYPE__ long int +#define ROUND() LOAD("v12", "v13", "v14") SHUF("v12", "v13", "v14") TRAN("v12", "v13", "v14", "v15") STOR("v12", "v13", "v14", "v15") +#define __UINT_LEAST16_TYPE__ short unsigned int +#define __SIZE_TYPE__ long unsigned int +#define __FLT64X_DIG__ 33 +#define __ARM_FEATURE_FMA 1 +#define __INT8_TYPE__ signed char +#define __ELF__ 1 +#define __GCC_ASM_FLAG_OUTPUTS__ 1 +#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1 +#define __FLT_RADIX__ 2 +#define __INT_LEAST16_TYPE__ short int +#define __ARM_ARCH_PROFILE 65 +#define __LDBL_EPSILON__ 1.92592994438723585305597794258492732e-34L +#define __UINTMAX_C(c) c ## UL +#define __ARM_PCS_AAPCS64 1 +#define __SIG_ATOMIC_MAX__ 0x7fffffff +#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2 +#define __SIZEOF_PTRDIFF_T__ 8 +#define __ATOMIC_RELAXED 0 +#define __LDBL_DIG__ 33 +#define __AARCH64EL__ 1 +#define __INT_FAST16_MAX__ 0x7fffffffffffffffL +#define __FLT64_DIG__ 15 +#define __UINT_FAST32_MAX__ 0xffffffffffffffffUL +#define __UINT_LEAST64_TYPE__ long unsigned int +#define __FLT16_EPSILON__ 9.76562500000000000000000000000000000e-4F16 +#define __FLT_HAS_QUIET_NAN__ 1 +#define __FLT_MAX_10_EXP__ 38 +#define __LONG_MAX__ 0x7fffffffffffffffL +#define ROUND_A_FIRST() LOAD("v2", "v3", "v4") ROUND_A() +#define __FLT64X_HAS_DENORM__ 1 +#define __FLT_HAS_INFINITY__ 1 +#define ROUND_B() SHUF("v12", "v13", "v14") LOAD("v2", "v3", "v4") TRAN("v12", "v13", "v14", "v15") STOR("v12", "v13", "v14", "v15") +#define __unix 1 +#define __DBL_HAS_DENORM__ 1 +#define __UINT_FAST16_TYPE__ long unsigned int +#define __FLT32X_HAS_QUIET_NAN__ 1 +#define __CHAR16_TYPE__ short unsigned int +#define __FLT64X_MAX_EXP__ 16384 +#define __SIZE_WIDTH__ 64 +#define __INT_LEAST16_MAX__ 0x7fff +#define __FLT16_NORM_MAX__ 6.55040000000000000000000000000000000e+4F16 +#define __INT64_MAX__ 0x7fffffffffffffffL +#define __FLT32_DENORM_MIN__ 1.40129846432481707092372958328991613e-45F32 +#define __INT_LEAST64_TYPE__ long int +#define __INT16_TYPE__ short int +#define __INT_LEAST8_TYPE__ signed char +#define __FLT16_MAX__ 6.55040000000000000000000000000000000e+4F16 +#define __STDC_VERSION__ 201710L +#define __INT_FAST8_MAX__ 0x7f +#define __ARM_ARCH 8 +#define __FLT128_MAX__ 1.18973149535723176508575932662800702e+4932F128 +#define __INTPTR_MAX__ 0x7fffffffffffffffL +#define linux 1 +#define __ARM_FEATURE_UNALIGNED 1 +#define __FLT64_HAS_QUIET_NAN__ 1 +#define __FLT32_MIN_10_EXP__ (-37) +#define __FLT32X_DIG__ 15 +#define __UINT8_TYPE__ unsigned char +#define __PTRDIFF_WIDTH__ 64 +#define __FLT64_HAS_INFINITY__ 1 +#define __FLT64X_MAX__ 1.18973149535723176508575932662800702e+4932F64x +#define __FLT16_HAS_INFINITY__ 1 +#define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1) +#define __PTRDIFF_MAX__ 0x7fffffffffffffffL +#define __FLT16_MANT_DIG__ 11 +#define __INTPTR_TYPE__ long int +#define __UINT16_TYPE__ short unsigned int +#define __WCHAR_TYPE__ unsigned int +#define __UINTPTR_MAX__ 0xffffffffffffffffUL +#define __ARM_ARCH_8A 1 +#define __INT_FAST64_MAX__ 0x7fffffffffffffffL +#define __FLT_NORM_MAX__ 3.40282346638528859811704183484516925e+38F +#define __FLT32_HAS_INFINITY__ 1 +#define __UINT_FAST64_TYPE__ long unsigned int +#define __INT_MAX__ 0x7fffffff +#define __INT64_TYPE__ long int +#define __FLT_MAX_EXP__ 128 +#define __ORDER_BIG_ENDIAN__ 4321 +#define __DBL_MANT_DIG__ 53 +#define __INT_LEAST64_MAX__ 0x7fffffffffffffffL +#define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 2 +#define __FP_FAST_FMAF32 1 +#define __UINT_LEAST32_TYPE__ unsigned int +#define __SIZEOF_SHORT__ 2 +#define __FLT32_NORM_MAX__ 3.40282346638528859811704183484516925e+38F32 +#define __GCC_ATOMIC_BOOL_LOCK_FREE 2 +#define __FLT64_MAX__ 1.79769313486231570814527423731704357e+308F64 +#define __WINT_WIDTH__ 32 +#define __FP_FAST_FMAF64 1 +#define __INT_LEAST8_MAX__ 0x7f +#define __INT_LEAST64_WIDTH__ 64 +#define __FLT32X_MAX_10_EXP__ 308 +#define __SIZEOF_INT128__ 16 +#define __FLT16_MIN__ 6.10351562500000000000000000000000000e-5F16 +#define __LDBL_MAX_10_EXP__ 4932 +#define __DBL_EPSILON__ ((double)2.22044604925031308084726333618164062e-16L) +#define __FLT32_MIN_EXP__ (-125) +#define __FLT128_MIN__ 3.36210314311209350626267781732175260e-4932F128 +#define _LP64 1 +#define __UINT8_C(c) c +#define __FLT64_MAX_EXP__ 1024 +#define __INT_LEAST32_TYPE__ int +#define __UINT64_TYPE__ long unsigned int +#define __ARM_NEON 1 +#define __FLT128_HAS_QUIET_NAN__ 1 +#define __INTMAX_MAX__ 0x7fffffffffffffffL +#define __UINT_FAST8_TYPE__ unsigned char +#define __INT_FAST8_TYPE__ signed char +#define __FLT64X_MIN__ 3.36210314311209350626267781732175260e-4932F64x +#define __GNUC_STDC_INLINE__ 1 +#define __FLT64_HAS_DENORM__ 1 +#define __FLT32_EPSILON__ 1.19209289550781250000000000000000000e-7F32 +#define __FP_FAST_FMAF32x 1 +#define __FLT16_HAS_DENORM__ 1 +#define __STDC_UTF_32__ 1 +#define __INT_FAST8_WIDTH__ 8 +#define __FLT32X_MAX__ 1.79769313486231570814527423731704357e+308F32x +#define __DBL_NORM_MAX__ ((double)1.79769313486231570814527423731704357e+308L) +#define __FLT64X_HAS_INFINITY__ 1 +#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__ +#define __ARM_ALIGN_MAX_STACK_PWR 16 +#define __LDBL_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966L +#define __SIZEOF_WCHAR_T__ 4 +#define unix 1 +#define __UINT32_C(c) c ## U +#define __FLT_DENORM_MIN__ 1.40129846432481707092372958328991613e-45F +#define __WINT_MIN__ 0U +#define __INT8_MAX__ 0x7f +#define __LONG_WIDTH__ 64 +#define __FLT32X_NORM_MAX__ 1.79769313486231570814527423731704357e+308F32x +#define __CHAR32_TYPE__ unsigned int +#define __ARM_FEATURE_NUMERIC_MAXMIN 1 +#define __INT32_TYPE__ int +#define __SIZEOF_DOUBLE__ 8 +#define __FLT_MIN_10_EXP__ (-37) +#define __FLT64_MIN__ 2.22507385850720138309023271733240406e-308F64 +#define __INT_LEAST32_WIDTH__ 32 +#define __SIZEOF_FLOAT__ 4 +#define __ATOMIC_CONSUME 1 +#define __GNUC_MINOR__ 3 +#define __INT_FAST16_WIDTH__ 64 +#define __UINTMAX_MAX__ 0xffffffffffffffffUL +#define __FLT32X_DENORM_MIN__ 4.94065645841246544176568792868221372e-324F32x +#define SHUF(A,B,C) "ushr %[t0].16b, "A".16b, #2 \n\t" "ushr %[t1].16b, "B".16b, #4 \n\t" "ushr %[t2].16b, "C".16b, #6 \n\t" "sli %[t1].16b, "A".16b, #4 \n\t" "sli %[t2].16b, "B".16b, #2 \n\t" "and %[t1].16b, %[t1].16b, %[n63].16b \n\t" "and %[t2].16b, %[t2].16b, %[n63].16b \n\t" "and %[t3].16b, "C".16b, %[n63].16b \n\t" +#define __DBL_MAX_10_EXP__ 308 +#define __INT16_C(c) c +#define __ARM_ARCH_ISA_A64 1 +#define __STDC__ 1 +#define __PTRDIFF_TYPE__ long int +#define TRAN(A,B,C,D) "tbl "A".16b, {v8.16b-v11.16b}, %[t0].16b \n\t" "tbl "B".16b, {v8.16b-v11.16b}, %[t1].16b \n\t" "tbl "C".16b, {v8.16b-v11.16b}, %[t2].16b \n\t" "tbl "D".16b, {v8.16b-v11.16b}, %[t3].16b \n\t" +#define __ATOMIC_SEQ_CST 5 +#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 1 +#define ROUND_B_LAST() SHUF("v12", "v13", "v14") TRAN("v12", "v13", "v14", "v15") STOR("v12", "v13", "v14", "v15") +#define __UINT32_TYPE__ unsigned int +#define __FLT32X_MIN_10_EXP__ (-307) +#define __UINTPTR_TYPE__ long unsigned int +#define __linux__ 1 +#define __LDBL_MIN_10_EXP__ (-4931) +#define __FLT128_EPSILON__ 1.92592994438723585305597794258492732e-34F128 +#define __SIZEOF_LONG_LONG__ 8 +#define __FLT128_DECIMAL_DIG__ 36 +#define __GCC_ATOMIC_LLONG_LOCK_FREE 2 +#define __FLT_DECIMAL_DIG__ 9 +#define __UINT_FAST16_MAX__ 0xffffffffffffffffUL +#define __LDBL_NORM_MAX__ 1.18973149535723176508575932662800702e+4932L +#define __GCC_ATOMIC_SHORT_LOCK_FREE 2 +#define __ORDER_LITTLE_ENDIAN__ 1234 +#define __SIZE_MAX__ 0xffffffffffffffffUL +#define __UINT_LEAST32_MAX__ 0xffffffffU +#define __ATOMIC_ACQ_REL 4 +#define __ATOMIC_RELEASE 3 diff --git a/deps/base64/base64/lib/arch/neon64/codec.c b/deps/base64/base64/lib/arch/neon64/codec.c index fc953b23e7f9b2..79789bb7d0ecbc 100644 --- a/deps/base64/base64/lib/arch/neon64/codec.c +++ b/deps/base64/base64/lib/arch/neon64/codec.c @@ -58,8 +58,13 @@ load_64byte_table (const uint8_t *p) #include "../generic/32/dec_loop.c" #include "../generic/64/enc_loop.c" #include "dec_loop.c" -#include "enc_reshuffle.c" -#include "enc_loop.c" + +#ifdef BASE64_NEON64_USE_ASM +# include "enc_loop_asm.c" +#else +# include "enc_reshuffle.c" +# include "enc_loop.c" +#endif #endif // BASE64_USE_NEON64 diff --git a/deps/base64/base64/lib/arch/neon64/enc_loop.c b/deps/base64/base64/lib/arch/neon64/enc_loop.c index d1862f7a3aadf2..59a1c59728a139 100644 --- a/deps/base64/base64/lib/arch/neon64/enc_loop.c +++ b/deps/base64/base64/lib/arch/neon64/enc_loop.c @@ -1,72 +1,6 @@ -#ifdef BASE64_NEON64_USE_ASM -static inline void -enc_loop_neon64_inner_asm (const uint8_t **s, uint8_t **o, const uint8x16x4_t tbl_enc) -{ - // This function duplicates the functionality of enc_loop_neon64_inner, - // but entirely with inline assembly. This gives a significant speedup - // over using NEON intrinsics, which do not always generate very good - // code. The logic of the assembly is directly lifted from the - // intrinsics version, so it can be used as a guide to this code. - - // Temporary registers, used as scratch space. - uint8x16_t tmp0, tmp1, tmp2, tmp3; - - // Numeric constant. - const uint8x16_t n63 = vdupq_n_u8(63); - - __asm__ ( - - // Load 48 bytes and deinterleave. The bytes are loaded to - // hard-coded registers v12, v13 and v14, to ensure that they - // are contiguous. Increment the source pointer. - "ld3 {v12.16b, v13.16b, v14.16b}, [%[src]], #48 \n\t" - - // Reshuffle the bytes using temporaries. - "ushr %[t0].16b, v12.16b, #2 \n\t" - "ushr %[t1].16b, v13.16b, #4 \n\t" - "ushr %[t2].16b, v14.16b, #6 \n\t" - "sli %[t1].16b, v12.16b, #4 \n\t" - "sli %[t2].16b, v13.16b, #2 \n\t" - "and %[t1].16b, %[t1].16b, %[n63].16b \n\t" - "and %[t2].16b, %[t2].16b, %[n63].16b \n\t" - "and %[t3].16b, v14.16b, %[n63].16b \n\t" - - // Translate the values to the Base64 alphabet. - "tbl v12.16b, {%[l0].16b, %[l1].16b, %[l2].16b, %[l3].16b}, %[t0].16b \n\t" - "tbl v13.16b, {%[l0].16b, %[l1].16b, %[l2].16b, %[l3].16b}, %[t1].16b \n\t" - "tbl v14.16b, {%[l0].16b, %[l1].16b, %[l2].16b, %[l3].16b}, %[t2].16b \n\t" - "tbl v15.16b, {%[l0].16b, %[l1].16b, %[l2].16b, %[l3].16b}, %[t3].16b \n\t" - - // Store 64 bytes and interleave. Increment the dest pointer. - "st4 {v12.16b, v13.16b, v14.16b, v15.16b}, [%[dst]], #64 \n\t" - - // Outputs (modified). - : [src] "+r" (*s), - [dst] "+r" (*o), - [t0] "=&w" (tmp0), - [t1] "=&w" (tmp1), - [t2] "=&w" (tmp2), - [t3] "=&w" (tmp3) - - // Inputs (not modified). - : [n63] "w" (n63), - [l0] "w" (tbl_enc.val[0]), - [l1] "w" (tbl_enc.val[1]), - [l2] "w" (tbl_enc.val[2]), - [l3] "w" (tbl_enc.val[3]) - - // Clobbers. - : "v12", "v13", "v14", "v15" - ); -} -#endif - static inline void enc_loop_neon64_inner (const uint8_t **s, uint8_t **o, const uint8x16x4_t tbl_enc) { -#ifdef BASE64_NEON64_USE_ASM - enc_loop_neon64_inner_asm(s, o, tbl_enc); -#else // Load 48 bytes and deinterleave: uint8x16x3_t src = vld3q_u8(*s); @@ -86,7 +20,6 @@ enc_loop_neon64_inner (const uint8_t **s, uint8_t **o, const uint8x16x4_t tbl_en *s += 48; *o += 64; -#endif } static inline void diff --git a/deps/base64/base64/lib/arch/neon64/enc_loop_asm.c b/deps/base64/base64/lib/arch/neon64/enc_loop_asm.c new file mode 100644 index 00000000000000..cf2fd27e80d2ca --- /dev/null +++ b/deps/base64/base64/lib/arch/neon64/enc_loop_asm.c @@ -0,0 +1,167 @@ +// Apologies in advance for combining the preprocessor with inline assembly, +// two notoriously gnarly parts of C, but it was necessary to avoid a lot of +// code repetition. The preprocessor is used to template large sections of +// inline assembly that differ only in the registers used. If the code was +// written out by hand, it would become very large and hard to audit. + +// Generate a block of inline assembly that loads three user-defined registers +// A, B, C from memory and deinterleaves them, post-incrementing the src +// pointer. The register set should be sequential. +#define LOAD(A, B, C) \ + "ld3 {"A".16b, "B".16b, "C".16b}, [%[src]], #48 \n\t" + +// Generate a block of inline assembly that takes three deinterleaved registers +// and shuffles the bytes. The output is in temporary registers t0..t3. +#define SHUF(A, B, C) \ + "ushr %[t0].16b, "A".16b, #2 \n\t" \ + "ushr %[t1].16b, "B".16b, #4 \n\t" \ + "ushr %[t2].16b, "C".16b, #6 \n\t" \ + "sli %[t1].16b, "A".16b, #4 \n\t" \ + "sli %[t2].16b, "B".16b, #2 \n\t" \ + "and %[t1].16b, %[t1].16b, %[n63].16b \n\t" \ + "and %[t2].16b, %[t2].16b, %[n63].16b \n\t" \ + "and %[t3].16b, "C".16b, %[n63].16b \n\t" + +// Generate a block of inline assembly that takes temporary registers t0..t3 +// and translates them to the base64 alphabet, using a table loaded into +// v8..v11. The output is in user-defined registers A..D. +#define TRAN(A, B, C, D) \ + "tbl "A".16b, {v8.16b-v11.16b}, %[t0].16b \n\t" \ + "tbl "B".16b, {v8.16b-v11.16b}, %[t1].16b \n\t" \ + "tbl "C".16b, {v8.16b-v11.16b}, %[t2].16b \n\t" \ + "tbl "D".16b, {v8.16b-v11.16b}, %[t3].16b \n\t" + +// Generate a block of inline assembly that interleaves four registers and +// stores them, post-incrementing the destination pointer. +#define STOR(A, B, C, D) \ + "st4 {"A".16b, "B".16b, "C".16b, "D".16b}, [%[dst]], #64 \n\t" + +// Generate a block of inline assembly that generates a single self-contained +// encoder round: fetch the data, process it, and store the result. +#define ROUND() \ + LOAD("v12", "v13", "v14") \ + SHUF("v12", "v13", "v14") \ + TRAN("v12", "v13", "v14", "v15") \ + STOR("v12", "v13", "v14", "v15") + +// Generate a block of assembly that generates a type A interleaved encoder +// round. It uses registers that were loaded by the previous type B round, and +// in turn loads registers for the next type B round. +#define ROUND_A() \ + SHUF("v2", "v3", "v4") \ + LOAD("v12", "v13", "v14") \ + TRAN("v2", "v3", "v4", "v5") \ + STOR("v2", "v3", "v4", "v5") + +// Type B interleaved encoder round. Same as type A, but register sets swapped. +#define ROUND_B() \ + SHUF("v12", "v13", "v14") \ + LOAD("v2", "v3", "v4") \ + TRAN("v12", "v13", "v14", "v15") \ + STOR("v12", "v13", "v14", "v15") + +// The first type A round needs to load its own registers. +#define ROUND_A_FIRST() \ + LOAD("v2", "v3", "v4") \ + ROUND_A() + +// The last type B round omits the load for the next step. +#define ROUND_B_LAST() \ + SHUF("v12", "v13", "v14") \ + TRAN("v12", "v13", "v14", "v15") \ + STOR("v12", "v13", "v14", "v15") + +// Suppress clang's warning that the literal string in the asm statement is +// overlong (longer than the ISO-mandated minimum size of 4095 bytes for C99 +// compilers). It may be true, but the goal here is not C99 portability. +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Woverlength-strings" + +static inline void +enc_loop_neon64 (const uint8_t **s, size_t *slen, uint8_t **o, size_t *olen) +{ + size_t rounds = *slen / 48; + + if (rounds == 0) { + return; + } + + *slen -= rounds * 48; // 48 bytes consumed per round. + *olen += rounds * 64; // 64 bytes produced per round. + + // Number of times to go through the 8x loop. + size_t loops = rounds / 8; + + // Number of rounds remaining after the 8x loop. + rounds %= 8; + + // Temporary registers, used as scratch space. + uint8x16_t tmp0, tmp1, tmp2, tmp3; + + __asm__ volatile ( + + // Load the encoding table into v8..v11. + " ld1 {v8.16b-v11.16b}, [%[tbl]] \n\t" + + // If there are eight rounds or more, enter an 8x unrolled loop + // of interleaved encoding rounds. The rounds interleave memory + // operations (load/store) with data operations to maximize + // pipeline throughput. + " cbz %[loops], 4f \n\t" + + // The SIMD instructions do not touch the flags. + "88: subs %[loops], %[loops], #1 \n\t" + " " ROUND_A_FIRST() + " " ROUND_B() + " " ROUND_A() + " " ROUND_B() + " " ROUND_A() + " " ROUND_B() + " " ROUND_A() + " " ROUND_B_LAST() + " b.ne 88b \n\t" + + // Enter a 4x unrolled loop for rounds of 4 or more. + "4: cmp %[rounds], #4 \n\t" + " b.lt 30f \n\t" + " " ROUND_A_FIRST() + " " ROUND_B() + " " ROUND_A() + " " ROUND_B_LAST() + " sub %[rounds], %[rounds], #4 \n\t" + + // Dispatch the remaining rounds 0..3. + "30: cbz %[rounds], 0f \n\t" + " cmp %[rounds], #2 \n\t" + " b.eq 2f \n\t" + " b.lt 1f \n\t" + + // Block of non-interlaced encoding rounds, which can each + // individually be jumped to. Rounds fall through to the next. + "3: " ROUND() + "2: " ROUND() + "1: " ROUND() + "0: \n\t" + + // Outputs (modified). + : [loops] "+r" (loops), + [src] "+r" (*s), + [dst] "+r" (*o), + [t0] "=&w" (tmp0), + [t1] "=&w" (tmp1), + [t2] "=&w" (tmp2), + [t3] "=&w" (tmp3) + + // Inputs (not modified). + : [rounds] "r" (rounds), + [tbl] "r" (base64_table_enc_6bit), + [n63] "w" (vdupq_n_u8(63)) + + // Clobbers. + : "v2", "v3", "v4", "v5", + "v8", "v9", "v10", "v11", + "v12", "v13", "v14", "v15" + ); +} + +#pragma GCC diagnostic pop From 2178f1772f4f061e780780e99c709f94eb4b96cf Mon Sep 17 00:00:00 2001 From: Joyee Cheung Date: Thu, 28 Jul 2022 14:58:00 +0800 Subject: [PATCH 072/147] bootstrap: support more builtins in the embedded code cache This patch: - Make NativeModuleLoader::LookupAndCompile() detect parameters based on module IDs. This allows us to compile more builtins when generating the embedded bootstrap, including - internal/per_context/* - internal/bootstrap/* - internal/main/* - Move pre_execution.js to lib/internal/process as it needs to be compiled as a regular built-in module, unlike other scripts in lib/internal/bootstrap - Move markBootstrapComplete() to the performance binding instead of making it a function-wrapper-based global to reduce number of special cases. PR-URL: https://github.com/nodejs/node/pull/44018 Reviewed-By: Chengzhong Wu Reviewed-By: Anna Henningsen --- lib/internal/bootstrap/loaders.js | 2 + lib/internal/bootstrap/node.js | 4 +- lib/internal/main/.eslintrc.yaml | 2 - lib/internal/main/check_syntax.js | 5 +- .../{bootstrap => main}/environment.js | 6 +- lib/internal/main/eval_stdin.js | 5 +- lib/internal/main/eval_string.js | 5 +- lib/internal/main/inspect.js | 5 +- lib/internal/main/mksnapshot.js | 2 +- lib/internal/main/print_help.js | 5 +- lib/internal/main/prof_process.js | 5 +- lib/internal/main/repl.js | 5 +- lib/internal/main/run_main_module.js | 5 +- lib/internal/main/test_runner.js | 3 +- lib/internal/main/worker_thread.js | 5 +- .../{bootstrap => process}/pre_execution.js | 7 +- lib/internal/v8/startup_snapshot.js | 6 +- lib/internal/wasm_web_api.js | 2 +- src/api/environment.cc | 15 ++- src/node.cc | 68 ++++---------- src/node_internals.h | 1 - src/node_native_module.cc | 91 +++++++++++++------ src/node_native_module.h | 8 +- src/node_perf.cc | 8 ++ src/node_snapshotable.cc | 5 +- test/parallel/test-bootstrap-modules.js | 2 +- test/parallel/test-code-cache.js | 16 +--- 27 files changed, 156 insertions(+), 137 deletions(-) delete mode 100644 lib/internal/main/.eslintrc.yaml rename lib/internal/{bootstrap => main}/environment.js (69%) rename lib/internal/{bootstrap => process}/pre_execution.js (99%) diff --git a/lib/internal/bootstrap/loaders.js b/lib/internal/bootstrap/loaders.js index 41162fabcbc589..4c7a9acef2e539 100644 --- a/lib/internal/bootstrap/loaders.js +++ b/lib/internal/bootstrap/loaders.js @@ -326,6 +326,8 @@ class NativeModule { requireWithFallbackInDeps : nativeModuleRequire; const fn = compileFunction(id); + // Arguments must match the parameters specified in + // NativeModuleLoader::LookupAndCompile(). fn(this.exports, requireFn, this, process, internalBinding, primordials); this.loaded = true; diff --git a/lib/internal/bootstrap/node.js b/lib/internal/bootstrap/node.js index df2afb84b5a6ca..14eb4bbcca472d 100644 --- a/lib/internal/bootstrap/node.js +++ b/lib/internal/bootstrap/node.js @@ -6,7 +6,7 @@ // // This file is expected not to perform any asynchronous operations itself // when being executed - those should be done in either -// `lib/internal/bootstrap/pre_execution.js` or in main scripts. The majority +// `lib/internal/process/pre_execution.js` or in main scripts. The majority // of the code here focuses on setting up the global proxy and the process // object in a synchronous manner. // As special caution is given to the performance of the startup process, @@ -28,7 +28,7 @@ // Then, depending on how the Node.js instance is launched, one of the main // scripts in `lib/internal/main` will be selected by C++ to start the actual // execution. They may run additional setups exported by -// `lib/internal/bootstrap/pre_execution.js` depending on the runtime states. +// `lib/internal/process/pre_execution.js` depending on the runtime states. 'use strict'; diff --git a/lib/internal/main/.eslintrc.yaml b/lib/internal/main/.eslintrc.yaml deleted file mode 100644 index dfb75077782301..00000000000000 --- a/lib/internal/main/.eslintrc.yaml +++ /dev/null @@ -1,2 +0,0 @@ -globals: - markBootstrapComplete: true diff --git a/lib/internal/main/check_syntax.js b/lib/internal/main/check_syntax.js index 010bef045e4fc8..4aa0d217c28c11 100644 --- a/lib/internal/main/check_syntax.js +++ b/lib/internal/main/check_syntax.js @@ -4,8 +4,9 @@ // instead of actually running the file. const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); const { readStdin diff --git a/lib/internal/bootstrap/environment.js b/lib/internal/main/environment.js similarity index 69% rename from lib/internal/bootstrap/environment.js rename to lib/internal/main/environment.js index 79a67dae378202..0be982bfb6d25d 100644 --- a/lib/internal/bootstrap/environment.js +++ b/lib/internal/main/environment.js @@ -4,10 +4,10 @@ // that depends on run time states. // It is currently only intended for preparing contexts for embedders. -/* global markBootstrapComplete */ const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); prepareMainThreadExecution(); markBootstrapComplete(); diff --git a/lib/internal/main/eval_stdin.js b/lib/internal/main/eval_stdin.js index d97dbece8f0f56..422e05c837a830 100644 --- a/lib/internal/main/eval_stdin.js +++ b/lib/internal/main/eval_stdin.js @@ -3,8 +3,9 @@ // Stdin is not a TTY, we will read it and execute it. const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); const { getOptionValue } = require('internal/options'); diff --git a/lib/internal/main/eval_string.js b/lib/internal/main/eval_string.js index 2784204f6002e9..d4787e151a07f3 100644 --- a/lib/internal/main/eval_string.js +++ b/lib/internal/main/eval_string.js @@ -8,8 +8,9 @@ const { } = primordials; const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); const { evalModule, evalScript } = require('internal/process/execution'); const { addBuiltinLibsToObject } = require('internal/modules/cjs/helpers'); diff --git a/lib/internal/main/inspect.js b/lib/internal/main/inspect.js index b3b26ecaa960f1..6c4cc7cc36bcda 100644 --- a/lib/internal/main/inspect.js +++ b/lib/internal/main/inspect.js @@ -3,8 +3,9 @@ // `node inspect ...` or `node debug ...` const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); prepareMainThreadExecution(); diff --git a/lib/internal/main/mksnapshot.js b/lib/internal/main/mksnapshot.js index 616a436e0a9483..fdf0e021204858 100644 --- a/lib/internal/main/mksnapshot.js +++ b/lib/internal/main/mksnapshot.js @@ -114,7 +114,7 @@ function requireForUserSnapshot(id) { function main() { const { prepareMainThreadExecution - } = require('internal/bootstrap/pre_execution'); + } = require('internal/process/pre_execution'); prepareMainThreadExecution(true, false); diff --git a/lib/internal/main/print_help.js b/lib/internal/main/print_help.js index f8fc5a6075f104..bfef215ace8db5 100644 --- a/lib/internal/main/print_help.js +++ b/lib/internal/main/print_help.js @@ -20,8 +20,9 @@ const { types } = internalBinding('options'); const hasCrypto = Boolean(process.versions.openssl); const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); const typeLookup = []; for (const key of ObjectKeys(types)) diff --git a/lib/internal/main/prof_process.js b/lib/internal/main/prof_process.js index bd835bfe630fa4..3d56e3ec57fa46 100644 --- a/lib/internal/main/prof_process.js +++ b/lib/internal/main/prof_process.js @@ -1,8 +1,9 @@ 'use strict'; const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); prepareMainThreadExecution(); markBootstrapComplete(); diff --git a/lib/internal/main/repl.js b/lib/internal/main/repl.js index a8356687ccedf5..7da68dc05e84b4 100644 --- a/lib/internal/main/repl.js +++ b/lib/internal/main/repl.js @@ -4,8 +4,9 @@ // the main module is not specified and stdin is a TTY. const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); const esmLoader = require('internal/process/esm_loader'); const { diff --git a/lib/internal/main/run_main_module.js b/lib/internal/main/run_main_module.js index ca5d1122c59d94..1c2d421fc08996 100644 --- a/lib/internal/main/run_main_module.js +++ b/lib/internal/main/run_main_module.js @@ -1,8 +1,9 @@ 'use strict'; const { - prepareMainThreadExecution -} = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete +} = require('internal/process/pre_execution'); prepareMainThreadExecution(true); diff --git a/lib/internal/main/test_runner.js b/lib/internal/main/test_runner.js index c1066cfca35323..d28311f3ab5dcd 100644 --- a/lib/internal/main/test_runner.js +++ b/lib/internal/main/test_runner.js @@ -12,7 +12,8 @@ const { } = primordials; const { prepareMainThreadExecution, -} = require('internal/bootstrap/pre_execution'); + markBootstrapComplete +} = require('internal/process/pre_execution'); const { spawn } = require('child_process'); const { readdirSync, statSync } = require('fs'); const console = require('internal/console/global'); diff --git a/lib/internal/main/worker_thread.js b/lib/internal/main/worker_thread.js index 8d5bc45edd50f3..01f711aab25ccd 100644 --- a/lib/internal/main/worker_thread.js +++ b/lib/internal/main/worker_thread.js @@ -30,8 +30,9 @@ const { initializeReport, initializeSourceMapsHandlers, loadPreloadModules, - setupTraceCategoryState -} = require('internal/bootstrap/pre_execution'); + setupTraceCategoryState, + markBootstrapComplete +} = require('internal/process/pre_execution'); const { threadId, diff --git a/lib/internal/bootstrap/pre_execution.js b/lib/internal/process/pre_execution.js similarity index 99% rename from lib/internal/bootstrap/pre_execution.js rename to lib/internal/process/pre_execution.js index 9e407dd29b99aa..923311d7ac161a 100644 --- a/lib/internal/bootstrap/pre_execution.js +++ b/lib/internal/process/pre_execution.js @@ -596,6 +596,10 @@ function loadPreloadModules() { } } +function markBootstrapComplete() { + internalBinding('performance').markBootstrapComplete(); +} + module.exports = { refreshRuntimeOptions, patchProcessObject, @@ -616,5 +620,6 @@ module.exports = { setupInspectorHooks, initializeReport, initializeCJSLoader, - initializeWASI + initializeWASI, + markBootstrapComplete }; diff --git a/lib/internal/v8/startup_snapshot.js b/lib/internal/v8/startup_snapshot.js index 6a6a6c47e85708..86bee8749566d7 100644 --- a/lib/internal/v8/startup_snapshot.js +++ b/lib/internal/v8/startup_snapshot.js @@ -12,7 +12,6 @@ const { setSerializeCallback, setDeserializeCallback, setDeserializeMainFunction: _setDeserializeMainFunction, - markBootstrapComplete } = internalBinding('mksnapshot'); function isBuildingSnapshot() { @@ -87,8 +86,9 @@ function setDeserializeMainFunction(callback, data) { _setDeserializeMainFunction(function deserializeMain() { const { - prepareMainThreadExecution - } = require('internal/bootstrap/pre_execution'); + prepareMainThreadExecution, + markBootstrapComplete + } = require('internal/process/pre_execution'); // This should be in sync with run_main_module.js until we make that // a built-in main function. diff --git a/lib/internal/wasm_web_api.js b/lib/internal/wasm_web_api.js index 084a223806334f..8b28b5e1fb4574 100644 --- a/lib/internal/wasm_web_api.js +++ b/lib/internal/wasm_web_api.js @@ -15,7 +15,7 @@ function lazyUndici() { // This is essentially an implementation of a v8::WasmStreamingCallback, except // that it is implemented in JavaScript because the fetch() implementation is -// difficult to use from C++. See lib/internal/bootstrap/pre_execution.js and +// difficult to use from C++. See lib/internal/process/pre_execution.js and // src/node_wasm_web_api.cc that interact with this function. function wasmStreamingCallback(streamState, source) { (async () => { diff --git a/src/api/environment.cc b/src/api/environment.cc index c0b5f539451696..b09d6736722d4e 100644 --- a/src/api/environment.cc +++ b/src/api/environment.cc @@ -445,13 +445,12 @@ MaybeLocal LoadEnvironment( native_module::NativeModuleLoader::Add( name.c_str(), UnionBytes(**main_utf16, main_utf16->length())); env->set_main_utf16(std::move(main_utf16)); - std::vector> params = { - env->process_string(), - env->require_string()}; + // Arguments must match the parameters specified in + // NativeModuleLoader::LookupAndCompile(). std::vector> args = { env->process_object(), env->native_module_require()}; - return ExecuteBootstrapper(env, name.c_str(), ¶ms, &args); + return ExecuteBootstrapper(env, name.c_str(), &args); }); } @@ -676,8 +675,6 @@ Maybe InitializePrimordials(Local context) { Local primordials_string = FIXED_ONE_BYTE_STRING(isolate, "primordials"); - Local global_string = FIXED_ONE_BYTE_STRING(isolate, "global"); - Local exports_string = FIXED_ONE_BYTE_STRING(isolate, "exports"); // Create primordials first and make it available to per-context scripts. Local primordials = Object::New(isolate); @@ -693,12 +690,12 @@ Maybe InitializePrimordials(Local context) { nullptr}; for (const char** module = context_files; *module != nullptr; module++) { - std::vector> parameters = { - global_string, exports_string, primordials_string}; + // Arguments must match the parameters specified in + // NativeModuleLoader::LookupAndCompile(). Local arguments[] = {context->Global(), exports, primordials}; MaybeLocal maybe_fn = native_module::NativeModuleLoader::LookupAndCompile( - context, *module, ¶meters, nullptr); + context, *module, nullptr); Local fn; if (!maybe_fn.ToLocal(&fn)) { return Nothing(); diff --git a/src/node.cc b/src/node.cc index ab395e2988fc77..c03c84075598bd 100644 --- a/src/node.cc +++ b/src/node.cc @@ -129,7 +129,6 @@ using native_module::NativeModuleLoader; using v8::EscapableHandleScope; using v8::Function; -using v8::FunctionCallbackInfo; using v8::Isolate; using v8::Local; using v8::MaybeLocal; @@ -174,11 +173,10 @@ void SignalExit(int signo, siginfo_t* info, void* ucontext) { MaybeLocal ExecuteBootstrapper(Environment* env, const char* id, - std::vector>* parameters, std::vector>* arguments) { EscapableHandleScope scope(env->isolate()); MaybeLocal maybe_fn = - NativeModuleLoader::LookupAndCompile(env->context(), id, parameters, env); + NativeModuleLoader::LookupAndCompile(env->context(), id, env); Local fn; if (!maybe_fn.ToLocal(&fn)) { @@ -301,12 +299,8 @@ void Environment::InitializeDiagnostics() { MaybeLocal Environment::BootstrapInternalLoaders() { EscapableHandleScope scope(isolate_); - // Create binding loaders - std::vector> loaders_params = { - process_string(), - FIXED_ONE_BYTE_STRING(isolate_, "getLinkedBinding"), - FIXED_ONE_BYTE_STRING(isolate_, "getInternalBinding"), - primordials_string()}; + // Arguments must match the parameters specified in + // NativeModuleLoader::LookupAndCompile(). std::vector> loaders_args = { process_object(), NewFunctionTemplate(binding::GetLinkedBinding) @@ -319,8 +313,7 @@ MaybeLocal Environment::BootstrapInternalLoaders() { // Bootstrap internal loaders Local loader_exports; - if (!ExecuteBootstrapper( - this, "internal/bootstrap/loaders", &loaders_params, &loaders_args) + if (!ExecuteBootstrapper(this, "internal/bootstrap/loaders", &loaders_args) .ToLocal(&loader_exports)) { return MaybeLocal(); } @@ -342,28 +335,25 @@ MaybeLocal Environment::BootstrapInternalLoaders() { MaybeLocal Environment::BootstrapNode() { EscapableHandleScope scope(isolate_); + // Arguments must match the parameters specified in + // NativeModuleLoader::LookupAndCompile(). // process, require, internalBinding, primordials - std::vector> node_params = { - process_string(), - require_string(), - internal_binding_string(), - primordials_string()}; std::vector> node_args = { process_object(), native_module_require(), internal_binding_loader(), primordials()}; - MaybeLocal result = ExecuteBootstrapper( - this, "internal/bootstrap/node", &node_params, &node_args); + MaybeLocal result = + ExecuteBootstrapper(this, "internal/bootstrap/node", &node_args); if (result.IsEmpty()) { return MaybeLocal(); } if (!no_browser_globals()) { - result = ExecuteBootstrapper( - this, "internal/bootstrap/browser", &node_params, &node_args); + result = + ExecuteBootstrapper(this, "internal/bootstrap/browser", &node_args); if (result.IsEmpty()) { return MaybeLocal(); @@ -374,8 +364,7 @@ MaybeLocal Environment::BootstrapNode() { auto thread_switch_id = is_main_thread() ? "internal/bootstrap/switches/is_main_thread" : "internal/bootstrap/switches/is_not_main_thread"; - result = - ExecuteBootstrapper(this, thread_switch_id, &node_params, &node_args); + result = ExecuteBootstrapper(this, thread_switch_id, &node_args); if (result.IsEmpty()) { return MaybeLocal(); @@ -385,8 +374,7 @@ MaybeLocal Environment::BootstrapNode() { owns_process_state() ? "internal/bootstrap/switches/does_own_process_state" : "internal/bootstrap/switches/does_not_own_process_state"; - result = ExecuteBootstrapper( - this, process_state_switch_id, &node_params, &node_args); + result = ExecuteBootstrapper(this, process_state_switch_id, &node_args); if (result.IsEmpty()) { return MaybeLocal(); @@ -428,35 +416,20 @@ MaybeLocal Environment::RunBootstrapping() { return scope.Escape(result); } -void MarkBootstrapComplete(const FunctionCallbackInfo& args) { - Environment* env = Environment::GetCurrent(args); - env->performance_state()->Mark( - performance::NODE_PERFORMANCE_MILESTONE_BOOTSTRAP_COMPLETE); -} - static MaybeLocal StartExecution(Environment* env, const char* main_script_id) { EscapableHandleScope scope(env->isolate()); CHECK_NOT_NULL(main_script_id); - std::vector> parameters = { - env->process_string(), - env->require_string(), - env->internal_binding_string(), - env->primordials_string(), - FIXED_ONE_BYTE_STRING(env->isolate(), "markBootstrapComplete")}; - - std::vector> arguments = { - env->process_object(), - env->native_module_require(), - env->internal_binding_loader(), - env->primordials(), - env->NewFunctionTemplate(MarkBootstrapComplete) - ->GetFunction(env->context()) - .ToLocalChecked()}; + // Arguments must match the parameters specified in + // NativeModuleLoader::LookupAndCompile(). + std::vector> arguments = {env->process_object(), + env->native_module_require(), + env->internal_binding_loader(), + env->primordials()}; return scope.EscapeMaybe( - ExecuteBootstrapper(env, main_script_id, ¶meters, &arguments)); + ExecuteBootstrapper(env, main_script_id, &arguments)); } MaybeLocal StartExecution(Environment* env, StartExecutionCallback cb) { @@ -469,8 +442,7 @@ MaybeLocal StartExecution(Environment* env, StartExecutionCallback cb) { if (cb != nullptr) { EscapableHandleScope scope(env->isolate()); - if (StartExecution(env, "internal/bootstrap/environment").IsEmpty()) - return {}; + if (StartExecution(env, "internal/main/environment").IsEmpty()) return {}; StartExecutionCallbackInfo info = { env->process_object(), diff --git a/src/node_internals.h b/src/node_internals.h index 3684bddb5a2fc1..890d77f79a79ed 100644 --- a/src/node_internals.h +++ b/src/node_internals.h @@ -308,7 +308,6 @@ v8::MaybeLocal GetPerContextExports(v8::Local context); v8::MaybeLocal ExecuteBootstrapper( Environment* env, const char* id, - std::vector>* parameters, std::vector>* arguments); void MarkBootstrapComplete(const v8::FunctionCallbackInfo& args); diff --git a/src/node_native_module.cc b/src/node_native_module.cc index 38af67c8955fd7..f13fbc043b04c1 100644 --- a/src/node_native_module.cc +++ b/src/node_native_module.cc @@ -184,21 +184,6 @@ ScriptCompiler::CachedData* NativeModuleLoader::GetCodeCache( return it->second.get(); } -MaybeLocal NativeModuleLoader::CompileAsModule( - Local context, - const char* id, - NativeModuleLoader::Result* result) { - Isolate* isolate = context->GetIsolate(); - std::vector> parameters = { - FIXED_ONE_BYTE_STRING(isolate, "exports"), - FIXED_ONE_BYTE_STRING(isolate, "require"), - FIXED_ONE_BYTE_STRING(isolate, "module"), - FIXED_ONE_BYTE_STRING(isolate, "process"), - FIXED_ONE_BYTE_STRING(isolate, "internalBinding"), - FIXED_ONE_BYTE_STRING(isolate, "primordials")}; - return LookupAndCompileInternal(context, id, ¶meters, result); -} - #ifdef NODE_BUILTIN_MODULES_PATH static std::string OnDiskFileName(const char* id) { std::string filename = NODE_BUILTIN_MODULES_PATH; @@ -360,29 +345,84 @@ MaybeLocal NativeModuleLoader::LookupAndCompileInternal( MaybeLocal NativeModuleLoader::LookupAndCompile( Local context, const char* id, - std::vector>* parameters, Environment* optional_env) { Result result; - MaybeLocal maybe = - GetInstance()->LookupAndCompileInternal(context, id, parameters, &result); + std::vector> parameters; + Isolate* isolate = context->GetIsolate(); + // Detects parameters of the scripts based on module ids. + // internal/bootstrap/loaders: process, getLinkedBinding, + // getInternalBinding, primordials + if (strcmp(id, "internal/bootstrap/loaders") == 0) { + parameters = { + FIXED_ONE_BYTE_STRING(isolate, "process"), + FIXED_ONE_BYTE_STRING(isolate, "getLinkedBinding"), + FIXED_ONE_BYTE_STRING(isolate, "getInternalBinding"), + FIXED_ONE_BYTE_STRING(isolate, "primordials"), + }; + } else if (strncmp(id, + "internal/per_context/", + strlen("internal/per_context/")) == 0) { + // internal/per_context/*: global, exports, primordials + parameters = { + FIXED_ONE_BYTE_STRING(isolate, "global"), + FIXED_ONE_BYTE_STRING(isolate, "exports"), + FIXED_ONE_BYTE_STRING(isolate, "primordials"), + }; + } else if (strncmp(id, "internal/main/", strlen("internal/main/")) == 0) { + // internal/main/*: process, require, internalBinding, primordials + parameters = { + FIXED_ONE_BYTE_STRING(isolate, "process"), + FIXED_ONE_BYTE_STRING(isolate, "require"), + FIXED_ONE_BYTE_STRING(isolate, "internalBinding"), + FIXED_ONE_BYTE_STRING(isolate, "primordials"), + }; + } else if (strncmp(id, "embedder_main_", strlen("embedder_main_")) == 0) { + // Synthetic embedder main scripts from LoadEnvironment(): process, require + parameters = { + FIXED_ONE_BYTE_STRING(isolate, "process"), + FIXED_ONE_BYTE_STRING(isolate, "require"), + }; + } else if (strncmp(id, + "internal/bootstrap/", + strlen("internal/bootstrap/")) == 0) { + // internal/bootstrap/*: process, require, internalBinding, primordials + parameters = { + FIXED_ONE_BYTE_STRING(isolate, "process"), + FIXED_ONE_BYTE_STRING(isolate, "require"), + FIXED_ONE_BYTE_STRING(isolate, "internalBinding"), + FIXED_ONE_BYTE_STRING(isolate, "primordials"), + }; + } else { + // others: exports, require, module, process, internalBinding, primordials + parameters = { + FIXED_ONE_BYTE_STRING(isolate, "exports"), + FIXED_ONE_BYTE_STRING(isolate, "require"), + FIXED_ONE_BYTE_STRING(isolate, "module"), + FIXED_ONE_BYTE_STRING(isolate, "process"), + FIXED_ONE_BYTE_STRING(isolate, "internalBinding"), + FIXED_ONE_BYTE_STRING(isolate, "primordials"), + }; + } + + MaybeLocal maybe = GetInstance()->LookupAndCompileInternal( + context, id, ¶meters, &result); if (optional_env != nullptr) { RecordResult(id, result, optional_env); } return maybe; } -bool NativeModuleLoader::CompileAllModules(Local context) { +bool NativeModuleLoader::CompileAllBuiltins(Local context) { NativeModuleLoader* loader = GetInstance(); std::vector ids = loader->GetModuleIds(); bool all_succeeded = true; + std::string v8_tools_prefix = "internal/deps/v8/tools/"; for (const auto& id : ids) { - // TODO(joyeecheung): compile non-module scripts here too. - if (!loader->CanBeRequired(id.c_str())) { + if (id.compare(0, v8_tools_prefix.size(), v8_tools_prefix) == 0) { continue; } v8::TryCatch bootstrapCatch(context->GetIsolate()); - Result result; - USE(loader->CompileAsModule(context, id.c_str(), &result)); + USE(loader->LookupAndCompile(context, id.c_str(), nullptr)); if (bootstrapCatch.HasCaught()) { per_process::Debug(DebugCategory::CODE_CACHE, "Failed to compile code cache for %s\n", @@ -538,16 +578,15 @@ void NativeModuleLoader::RecordResult(const char* id, env->native_modules_without_cache.insert(id); } } + void NativeModuleLoader::CompileFunction( const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); CHECK(args[0]->IsString()); node::Utf8Value id_v(env->isolate(), args[0].As()); const char* id = *id_v; - NativeModuleLoader::Result result; MaybeLocal maybe = - GetInstance()->CompileAsModule(env->context(), id, &result); - RecordResult(id, result, env); + GetInstance()->LookupAndCompile(env->context(), id, env); Local fn; if (maybe.ToLocal(&fn)) { args.GetReturnValue().Set(fn); diff --git a/src/node_native_module.h b/src/node_native_module.h index 3c797a5d35b17e..5357a1272d3214 100644 --- a/src/node_native_module.h +++ b/src/node_native_module.h @@ -45,10 +45,11 @@ class NODE_EXTERN_PRIVATE NativeModuleLoader { v8::Local context, void* priv); + // The parameters used to compile the scripts are detected based on + // the pattern of the id. static v8::MaybeLocal LookupAndCompile( v8::Local context, const char* id, - std::vector>* parameters, Environment* optional_env); static v8::Local GetSourceObject(v8::Local context); @@ -57,7 +58,7 @@ class NODE_EXTERN_PRIVATE NativeModuleLoader { static bool Exists(const char* id); static bool Add(const char* id, const UnionBytes& source); - static bool CompileAllModules(v8::Local context); + static bool CompileAllBuiltins(v8::Local context); static void RefreshCodeCache(const std::vector& in); static void CopyCodeCache(std::vector* out); @@ -100,9 +101,6 @@ class NODE_EXTERN_PRIVATE NativeModuleLoader { const char* id, std::vector>* parameters, Result* result); - v8::MaybeLocal CompileAsModule(v8::Local context, - const char* id, - Result* result); static void RecordResult(const char* id, NativeModuleLoader::Result result, diff --git a/src/node_perf.cc b/src/node_perf.cc index 253f72157e8a7b..1b4f6e48e1e425 100644 --- a/src/node_perf.cc +++ b/src/node_perf.cc @@ -265,6 +265,12 @@ void GetTimeOriginTimeStamp(const FunctionCallbackInfo& args) { Number::New(args.GetIsolate(), timeOriginTimestamp / MICROS_PER_MILLIS)); } +void MarkBootstrapComplete(const FunctionCallbackInfo& args) { + Environment* env = Environment::GetCurrent(args); + env->performance_state()->Mark( + performance::NODE_PERFORMANCE_MILESTONE_BOOTSTRAP_COMPLETE); +} + void Initialize(Local target, Local unused, Local context, @@ -302,6 +308,7 @@ void Initialize(Local target, env->SetMethod(target, "getTimeOrigin", GetTimeOrigin); env->SetMethod(target, "getTimeOriginTimestamp", GetTimeOriginTimeStamp); env->SetMethod(target, "createELDHistogram", CreateELDHistogram); + env->SetMethod(target, "markBootstrapComplete", MarkBootstrapComplete); Local constants = Object::New(isolate); @@ -356,6 +363,7 @@ void RegisterExternalReferences(ExternalReferenceRegistry* registry) { registry->Register(GetTimeOrigin); registry->Register(GetTimeOriginTimeStamp); registry->Register(CreateELDHistogram); + registry->Register(MarkBootstrapComplete); HistogramBase::RegisterExternalReferences(registry); IntervalHistogram::RegisterExternalReferences(registry); } diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc index 65c7c40e5081d9..12d2e68c8d5757 100644 --- a/src/node_snapshotable.cc +++ b/src/node_snapshotable.cc @@ -986,7 +986,8 @@ int SnapshotBuilder::Generate(SnapshotData* out, #ifdef NODE_USE_NODE_CODE_CACHE // Regenerate all the code cache. - if (!native_module::NativeModuleLoader::CompileAllModules(main_context)) { + if (!native_module::NativeModuleLoader::CompileAllBuiltins( + main_context)) { return UNCAUGHT_EXCEPTION_ERROR; } native_module::NativeModuleLoader::CopyCodeCache(&(out->code_cache)); @@ -1221,7 +1222,6 @@ void Initialize(Local target, void* priv) { Environment* env = Environment::GetCurrent(context); env->SetMethod(target, "compileSerializeMain", CompileSerializeMain); - env->SetMethod(target, "markBootstrapComplete", MarkBootstrapComplete); env->SetMethod(target, "setSerializeCallback", SetSerializeCallback); env->SetMethod(target, "setDeserializeCallback", SetDeserializeCallback); env->SetMethod( @@ -1230,7 +1230,6 @@ void Initialize(Local target, void RegisterExternalReferences(ExternalReferenceRegistry* registry) { registry->Register(CompileSerializeMain); - registry->Register(MarkBootstrapComplete); registry->Register(SetSerializeCallback); registry->Register(SetDeserializeCallback); registry->Register(SetDeserializeMainFunction); diff --git a/test/parallel/test-bootstrap-modules.js b/test/parallel/test-bootstrap-modules.js index 87c9dc1b92523c..63ef4336123640 100644 --- a/test/parallel/test-bootstrap-modules.js +++ b/test/parallel/test-bootstrap-modules.js @@ -52,7 +52,6 @@ const expectedModules = new Set([ 'NativeModule internal/assert', 'NativeModule internal/async_hooks', 'NativeModule internal/blocklist', - 'NativeModule internal/bootstrap/pre_execution', 'NativeModule internal/buffer', 'NativeModule internal/console/constructor', 'NativeModule internal/console/global', @@ -106,6 +105,7 @@ const expectedModules = new Set([ 'NativeModule internal/process/esm_loader', 'NativeModule internal/process/execution', 'NativeModule internal/process/per_thread', + 'NativeModule internal/process/pre_execution', 'NativeModule internal/process/promises', 'NativeModule internal/process/report', 'NativeModule internal/process/signal', diff --git a/test/parallel/test-code-cache.js b/test/parallel/test-code-cache.js index 00deafd6d49465..44fe98238ad069 100644 --- a/test/parallel/test-code-cache.js +++ b/test/parallel/test-code-cache.js @@ -12,7 +12,7 @@ const { } = require('internal/test/binding'); const { getCacheUsage, - moduleCategories: { canBeRequired, cannotBeRequired } + moduleCategories: { canBeRequired } } = internalBinding('native_module'); for (const key of canBeRequired) { @@ -54,20 +54,12 @@ if (!process.features.cached_builtins) { } else { // Native compiled assert(process.config.variables.node_use_node_code_cache); - if (!isMainThread) { - for (const key of [ 'internal/bootstrap/pre_execution' ]) { - canBeRequired.add(key); - cannotBeRequired.delete(key); - } - } - const wrong = []; for (const key of loadedModules) { - if (cannotBeRequired.has(key) && !compiledWithoutCache.has(key)) { - wrong.push(`"${key}" should've been compiled **without** code cache`); + if (key.startsWith('internal/deps/v8/tools')) { + continue; } - if (canBeRequired.has(key) && - !compiledWithCache.has(key) && + if (!compiledWithCache.has(key) && compiledInSnapshot.indexOf(key) === -1) { wrong.push(`"${key}" should've been compiled **with** code cache`); } From c2ea22f4276caee521b21a8cad1f8c5fa1bda729 Mon Sep 17 00:00:00 2001 From: Jacob Smith <3012099+JakobJingleheimer@users.noreply.github.com> Date: Fri, 5 Aug 2022 00:10:13 +0200 Subject: [PATCH 073/147] esm: fix loader hooks accepting too many arguments PR-URL: https://github.com/nodejs/node/pull/44109 Reviewed-By: Geoffrey Booth Reviewed-By: Guy Bedford Reviewed-By: Antoine du Hamel --- lib/internal/modules/esm/loader.js | 22 +++++---------- test/es-module/test-esm-loader-chaining.mjs | 22 +++++++++++++++ .../es-module-loaders/loader-log-args.mjs | 28 +++++++++++++++++++ .../loader-with-too-many-args.mjs | 7 +++++ 4 files changed, 64 insertions(+), 15 deletions(-) create mode 100644 test/fixtures/es-module-loaders/loader-log-args.mjs create mode 100644 test/fixtures/es-module-loaders/loader-with-too-many-args.mjs diff --git a/lib/internal/modules/esm/loader.js b/lib/internal/modules/esm/loader.js index 027077cbb6e781..f2d5600fba657c 100644 --- a/lib/internal/modules/esm/loader.js +++ b/lib/internal/modules/esm/loader.js @@ -15,7 +15,6 @@ const { ObjectDefineProperty, ObjectSetPrototypeOf, PromiseAll, - ReflectApply, RegExpPrototypeExec, SafeArrayIterator, SafeWeakMap, @@ -148,29 +147,22 @@ function nextHookFactory(chain, meta, { validateArgs, validateOutput }) { } return ObjectDefineProperty( - async (...args) => { + async (arg0 = undefined, context) => { // Update only when hook is invoked to avoid fingering the wrong filePath meta.hookErrIdentifier = `${hookFilePath} '${hookName}'`; - validateArgs(`${meta.hookErrIdentifier} hook's ${nextHookName}()`, args); + validateArgs(`${meta.hookErrIdentifier} hook's ${nextHookName}()`, arg0, context); const outputErrIdentifier = `${chain[generatedHookIndex].url} '${hookName}' hook's ${nextHookName}()`; // Set when next is actually called, not just generated. if (generatedHookIndex === 0) { meta.chainFinished = true; } - // `context` is an optional argument that only needs to be passed when changed - switch (args.length) { - case 1: // It was omitted, so supply the cached value - ArrayPrototypePush(args, meta.context); - break; - case 2: // Overrides were supplied, so update cached value - ObjectAssign(meta.context, args[1]); - break; + if (context) { // `context` has already been validated, so no fancy check needed. + ObjectAssign(meta.context, context); } - ArrayPrototypePush(args, nextNextHook); - const output = await ReflectApply(hook, undefined, args); + const output = await hook(arg0, meta.context, nextNextHook); validateOutput(outputErrIdentifier, output); @@ -575,7 +567,7 @@ class ESMLoader { shortCircuited: false, }; - const validateArgs = (hookErrIdentifier, { 0: nextUrl, 1: ctx }) => { + const validateArgs = (hookErrIdentifier, nextUrl, ctx) => { if (typeof nextUrl !== 'string') { // non-strings can be coerced to a url string // validateString() throws a less-specific error @@ -829,7 +821,7 @@ class ESMLoader { shortCircuited: false, }; - const validateArgs = (hookErrIdentifier, { 0: suppliedSpecifier, 1: ctx }) => { + const validateArgs = (hookErrIdentifier, suppliedSpecifier, ctx) => { validateString( suppliedSpecifier, `${hookErrIdentifier} specifier`, diff --git a/test/es-module/test-esm-loader-chaining.mjs b/test/es-module/test-esm-loader-chaining.mjs index 14303cb5c42665..b04dbe4ddd6c1a 100644 --- a/test/es-module/test-esm-loader-chaining.mjs +++ b/test/es-module/test-esm-loader-chaining.mjs @@ -101,6 +101,28 @@ describe('ESM: loader chaining', { concurrency: true }, () => { assert.strictEqual(code, 0); }); + it('should accept only the correct arguments', async () => { + const { stdout } = await spawnPromisified( + execPath, + [ + '--loader', + fixtures.fileURL('es-module-loaders', 'loader-log-args.mjs'), + '--loader', + fixtures.fileURL('es-module-loaders', 'loader-with-too-many-args.mjs'), + ...commonArgs, + ], + { encoding: 'utf8' }, + ); + + assert.match(stdout, /^resolve arg count: 3$/m); + assert.match(stdout, /specifier: 'node:fs'/); + assert.match(stdout, /next: \[AsyncFunction: nextResolve\]/); + + assert.match(stdout, /^load arg count: 3$/m); + assert.match(stdout, /url: 'node:fs'/); + assert.match(stdout, /next: \[AsyncFunction: nextLoad\]/); + }); + it('should result in proper output from multiple changes in resolve hooks', async () => { const { code, stderr, stdout } = await spawnPromisified( execPath, diff --git a/test/fixtures/es-module-loaders/loader-log-args.mjs b/test/fixtures/es-module-loaders/loader-log-args.mjs new file mode 100644 index 00000000000000..84ed373d6b4de4 --- /dev/null +++ b/test/fixtures/es-module-loaders/loader-log-args.mjs @@ -0,0 +1,28 @@ +export async function resolve(...args) { + console.log(`resolve arg count: ${args.length}`); + console.log({ + specifier: args[0], + context: args[1], + next: args[2], + }); + + return { + shortCircuit: true, + url: args[0], + }; +} + +export async function load(...args) { + console.log(`load arg count: ${args.length}`); + console.log({ + url: args[0], + context: args[1], + next: args[2], + }); + + return { + format: 'module', + source: '', + shortCircuit: true, + }; +} diff --git a/test/fixtures/es-module-loaders/loader-with-too-many-args.mjs b/test/fixtures/es-module-loaders/loader-with-too-many-args.mjs new file mode 100644 index 00000000000000..95f40ec15d200d --- /dev/null +++ b/test/fixtures/es-module-loaders/loader-with-too-many-args.mjs @@ -0,0 +1,7 @@ +export async function resolve(specifier, context, next) { + return next(specifier, context, 'resolve-extra-arg'); +} + +export async function load(url, context, next) { + return next(url, context, 'load-extra-arg'); +} From f461d79a2a624c8d3c6552457d1e7d8942ba31f7 Mon Sep 17 00:00:00 2001 From: Colin Ihrig Date: Thu, 4 Aug 2022 18:32:48 -0400 Subject: [PATCH 074/147] doc: remove unused code in call tracker example MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This function appears to be unused, so remove it. PR-URL: https://github.com/nodejs/node/pull/44127 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Evan Lucas Reviewed-By: Antoine du Hamel --- doc/api/assert.md | 4 ---- 1 file changed, 4 deletions(-) diff --git a/doc/api/assert.md b/doc/api/assert.md index 4847bbf86dda68..4958e6dd7df474 100644 --- a/doc/api/assert.md +++ b/doc/api/assert.md @@ -351,8 +351,6 @@ const tracker = new assert.CallTracker(); function func() {} -function foo() {} - // Returns a function that wraps func() that must be called exact times // before tracker.verify(). const callsfunc = tracker.calls(func, 2); @@ -379,8 +377,6 @@ const tracker = new assert.CallTracker(); function func() {} -function foo() {} - // Returns a function that wraps func() that must be called exact times // before tracker.verify(). const callsfunc = tracker.calls(func, 2); From bd27b8b8d2e9a25dab3b511bb33c72729ccb3dda Mon Sep 17 00:00:00 2001 From: Joyee Cheung Date: Fri, 5 Aug 2022 06:41:17 +0800 Subject: [PATCH 075/147] bootstrap: turn on FunctionCodeHandling::kKeep in the snapshot builder To improve startup performance. PR-URL: https://github.com/nodejs/node/pull/44104 Reviewed-By: Chengzhong Wu Reviewed-By: Anna Henningsen --- src/node_snapshotable.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc index 12d2e68c8d5757..32e958b8fde4d2 100644 --- a/src/node_snapshotable.cc +++ b/src/node_snapshotable.cc @@ -1014,7 +1014,7 @@ int SnapshotBuilder::Generate(SnapshotData* out, // Must be out of HandleScope out->v8_snapshot_blob_data = - creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kClear); + creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kKeep); // We must be able to rehash the blob when we restore it or otherwise // the hash seed would be fixed by V8, introducing a vulnerability. From e057480e2c794b491c886e89d7d5ba01f8d27393 Mon Sep 17 00:00:00 2001 From: Kohei Ueno Date: Fri, 5 Aug 2022 07:41:28 +0900 Subject: [PATCH 076/147] stream: update TextEncoderStream to align the latest spec PR-URL: https://github.com/nodejs/node/pull/44101 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Antoine du Hamel --- lib/internal/webstreams/encoding.js | 43 +++++++++++++++++++++++++---- test/wpt/status/encoding.json | 31 +++++++++++++++++++-- 2 files changed, 66 insertions(+), 8 deletions(-) diff --git a/lib/internal/webstreams/encoding.js b/lib/internal/webstreams/encoding.js index 233a09a216d72d..b95441e12e0cf1 100644 --- a/lib/internal/webstreams/encoding.js +++ b/lib/internal/webstreams/encoding.js @@ -2,7 +2,10 @@ const { ObjectDefineProperties, + String, + StringPrototypeCharCodeAt, Symbol, + Uint8Array, } = primordials; const { @@ -31,6 +34,7 @@ const { const kHandle = Symbol('kHandle'); const kTransform = Symbol('kTransform'); const kType = Symbol('kType'); +const kPendingHighSurrogate = Symbol('kPendingHighSurrogate'); /** * @typedef {import('./readablestream').ReadableStream} ReadableStream @@ -49,19 +53,46 @@ function isTextDecoderStream(value) { class TextEncoderStream { constructor() { + this[kPendingHighSurrogate] = null; this[kType] = 'TextEncoderStream'; this[kHandle] = new TextEncoder(); this[kTransform] = new TransformStream({ transform: (chunk, controller) => { - const value = this[kHandle].encode(chunk); - if (value) + // https://encoding.spec.whatwg.org/#encode-and-enqueue-a-chunk + chunk = String(chunk); + let finalChunk = ''; + for (let i = 0; i < chunk.length; i++) { + const item = chunk[i]; + const codeUnit = StringPrototypeCharCodeAt(item, 0); + if (this[kPendingHighSurrogate] !== null) { + const highSurrogate = this[kPendingHighSurrogate]; + this[kPendingHighSurrogate] = null; + if (0xDC00 <= codeUnit && codeUnit <= 0xDFFF) { + finalChunk += highSurrogate + item; + continue; + } + finalChunk += '\uFFFD'; + } + if (0xD800 <= codeUnit && codeUnit <= 0xDBFF) { + this[kPendingHighSurrogate] = item; + continue; + } + if (0xDC00 <= codeUnit && codeUnit <= 0xDFFF) { + finalChunk += '\uFFFD'; + continue; + } + finalChunk += item; + } + if (finalChunk) { + const value = this[kHandle].encode(finalChunk); controller.enqueue(value); + } }, flush: (controller) => { - const value = this[kHandle].encode(); - if (value.byteLength > 0) - controller.enqueue(value); - controller.terminate(); + // https://encoding.spec.whatwg.org/#encode-and-flush + if (this[kPendingHighSurrogate] !== null) { + controller.enqueue(new Uint8Array([0xEF, 0xBF, 0xBD])); + } }, }); } diff --git a/test/wpt/status/encoding.json b/test/wpt/status/encoding.json index 15dad0b2d4f8a0..a9fe29a0bbc3fa 100644 --- a/test/wpt/status/encoding.json +++ b/test/wpt/status/encoding.json @@ -48,8 +48,35 @@ "unsupported-encodings.any.js": { "skip": "decoding-helpers.js needs XMLHttpRequest" }, - "streams/*.js": { - "fail": "No implementation of TextDecoderStream and TextEncoderStream" + "streams/decode-ignore-bom.any.js": { + "requires": ["small-icu"] + }, + "streams/realms.window.js": { + "skip": "window is not defined" + }, + "streams/decode-attributes.any.js": { + "requires": ["full-icu"] + }, + "streams/decode-incomplete-input.any.js": { + "requires": ["small-icu"] + }, + "streams/decode-utf8.any.js": { + "requires": ["small-icu"], + "fail": { + "unexpected": [ + "promise_test: Unhandled rejection with value: object 'TypeError: Cannot perform Construct on a detached ArrayBuffer'" + ] + } + }, + "streams/decode-bad-chunks.any.js": { + "fail": { + "unexpected": [ + "assert_unreached: Should have rejected: write should reject Reached unreachable code" + ] + } + }, + "streams/decode-non-utf8.any.js": { + "requires": ["full-icu"] }, "encodeInto.any.js": { "requires": ["small-icu"] From ebff06b8dec0daf4ebb137b75ac6c08f4e2a381e Mon Sep 17 00:00:00 2001 From: Keyhan Vakil Date: Thu, 4 Aug 2022 15:41:38 -0700 Subject: [PATCH 077/147] src: remove usages of GetBackingStore in crypto This removes all usages of GetBackingStore in `crypto`. See the linked issue for an explanation. Note: I am not sure of the lifetime semantics intended by `ArrayBufferOrViewContents` -- I am pretty sure it is correct based on a manual audit of the callsites, but please ensure that it is correct. Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921 PR-URL: https://github.com/nodejs/node/pull/44079 Reviewed-By: Matteo Collina Reviewed-By: Feng Yu Reviewed-By: Anna Henningsen --- src/crypto/README.md | 5 ++++- src/crypto/crypto_cipher.cc | 15 ++++++--------- src/crypto/crypto_util.h | 25 +++++++++++++++++++------ 3 files changed, 29 insertions(+), 16 deletions(-) diff --git a/src/crypto/README.md b/src/crypto/README.md index 1f5e5b20448499..c58f3cb118089f 100644 --- a/src/crypto/README.md +++ b/src/crypto/README.md @@ -112,12 +112,15 @@ the `ByteSource::Builder` without releasing it as a `ByteSource`. ### `ArrayBufferOrViewContents` -The `ArrayBufferOfViewContents` class is a helper utility that abstracts +The `ArrayBufferOrViewContents` class is a helper utility that abstracts `ArrayBuffer`, `TypedArray`, or `DataView` inputs and provides access to their underlying data pointers. It is used extensively through `src/crypto` to make it easier to deal with inputs that allow any `ArrayBuffer`-backed object. +The lifetime of `ArrayBufferOrViewContents` should not exceed the +lifetime of its input. + ### Key objects Most crypto operations involve the use of keys -- cryptographic inputs diff --git a/src/crypto/crypto_cipher.cc b/src/crypto/crypto_cipher.cc index 6c663a2b21d0a2..341fe88b3f2404 100644 --- a/src/crypto/crypto_cipher.cc +++ b/src/crypto/crypto_cipher.cc @@ -523,9 +523,8 @@ void CipherBase::InitIv(const FunctionCallbackInfo& args) { if (UNLIKELY(key_buf.size() > INT_MAX)) return THROW_ERR_OUT_OF_RANGE(env, "key is too big"); - ArrayBufferOrViewContents iv_buf; - if (!args[2]->IsNull()) - iv_buf = ArrayBufferOrViewContents(args[2]); + ArrayBufferOrViewContents iv_buf( + !args[2]->IsNull() ? args[2] : Local()); if (UNLIKELY(!iv_buf.CheckSizeInt32())) return THROW_ERR_OUT_OF_RANGE(env, "iv is too big"); @@ -1048,12 +1047,10 @@ void PublicKeyCipher::Cipher(const FunctionCallbackInfo& args) { return THROW_ERR_OSSL_EVP_INVALID_DIGEST(env); } - ArrayBufferOrViewContents oaep_label; - if (!args[offset + 3]->IsUndefined()) { - oaep_label = ArrayBufferOrViewContents(args[offset + 3]); - if (UNLIKELY(!oaep_label.CheckSizeInt32())) - return THROW_ERR_OUT_OF_RANGE(env, "oaep_label is too big"); - } + ArrayBufferOrViewContents oaep_label( + !args[offset + 3]->IsUndefined() ? args[offset + 3] : Local()); + if (UNLIKELY(!oaep_label.CheckSizeInt32())) + return THROW_ERR_OUT_OF_RANGE(env, "oaep_label is too big"); std::unique_ptr out; if (!Cipher( diff --git a/src/crypto/crypto_util.h b/src/crypto/crypto_util.h index 9e33b3777b00d7..5c58bb2754ad93 100644 --- a/src/crypto/crypto_util.h +++ b/src/crypto/crypto_util.h @@ -696,24 +696,30 @@ template class ArrayBufferOrViewContents { public: ArrayBufferOrViewContents() = default; + ArrayBufferOrViewContents(const ArrayBufferOrViewContents&) = delete; + void operator=(const ArrayBufferOrViewContents&) = delete; inline explicit ArrayBufferOrViewContents(v8::Local buf) { + if (buf.IsEmpty()) { + return; + } + CHECK(IsAnyByteSource(buf)); if (buf->IsArrayBufferView()) { auto view = buf.As(); offset_ = view->ByteOffset(); length_ = view->ByteLength(); - store_ = view->Buffer()->GetBackingStore(); + data_ = view->Buffer()->Data(); } else if (buf->IsArrayBuffer()) { auto ab = buf.As(); offset_ = 0; length_ = ab->ByteLength(); - store_ = ab->GetBackingStore(); + data_ = ab->Data(); } else { auto sab = buf.As(); offset_ = 0; length_ = sab->ByteLength(); - store_ = sab->GetBackingStore(); + data_ = sab->Data(); } } @@ -723,7 +729,7 @@ class ArrayBufferOrViewContents { // length is zero, so we have to return something. if (size() == 0) return &buf; - return reinterpret_cast(store_->Data()) + offset_; + return reinterpret_cast(data_) + offset_; } inline T* data() { @@ -732,7 +738,7 @@ class ArrayBufferOrViewContents { // length is zero, so we have to return something. if (size() == 0) return &buf; - return reinterpret_cast(store_->Data()) + offset_; + return reinterpret_cast(data_) + offset_; } inline size_t size() const { return length_; } @@ -772,7 +778,14 @@ class ArrayBufferOrViewContents { T buf = 0; size_t offset_ = 0; size_t length_ = 0; - std::shared_ptr store_; + void* data_ = nullptr; + + // Declaring operator new and delete as deleted is not spec compliant. + // Therefore declare them private instead to disable dynamic alloc + void* operator new(size_t); + void* operator new[](size_t); + void operator delete(void*); + void operator delete[](void*); }; v8::MaybeLocal EncodeBignum( From 3f32526561bddd15cdec5b60d716cef09b713d3f Mon Sep 17 00:00:00 2001 From: Antoine du Hamel Date: Fri, 5 Aug 2022 00:41:48 +0200 Subject: [PATCH 078/147] module: protect against prototype mutation Ensures that mutating the `Object` prototype does not influence the parsing of `package.json` files. PR-URL: https://github.com/nodejs/node/pull/44007 Reviewed-By: Geoffrey Booth --- lib/internal/modules/cjs/helpers.js | 3 +- lib/internal/modules/cjs/loader.js | 21 +++++---- lib/internal/modules/esm/package_config.js | 6 ++- lib/internal/util.js | 32 ++++++++++++++ test/fixtures/es-module-specifiers/index.mjs | 3 +- .../node_modules/no-main-field/index.js | 2 + .../node_modules/no-main-field/package.json | 1 + .../test-module-prototype-mutation.js | 43 +++++++++++++++++++ 8 files changed, 96 insertions(+), 15 deletions(-) create mode 100644 test/fixtures/es-module-specifiers/node_modules/no-main-field/index.js create mode 100644 test/fixtures/es-module-specifiers/node_modules/no-main-field/package.json create mode 100644 test/parallel/test-module-prototype-mutation.js diff --git a/lib/internal/modules/cjs/helpers.js b/lib/internal/modules/cjs/helpers.js index ef4544ca0aaa52..20c167f8599f7b 100644 --- a/lib/internal/modules/cjs/helpers.js +++ b/lib/internal/modules/cjs/helpers.js @@ -24,6 +24,7 @@ const path = require('path'); const { pathToFileURL, fileURLToPath, URL } = require('internal/url'); const { getOptionValue } = require('internal/options'); +const { setOwnProperty } = require('internal/util'); const userConditions = getOptionValue('--conditions'); let debug = require('internal/util/debuglog').debuglog('module', (fn) => { @@ -117,7 +118,7 @@ function makeRequireFunction(mod, redirects) { resolve.paths = paths; - require.main = process.mainModule; + setOwnProperty(require, 'main', process.mainModule); // Enable support to add extra extension types. require.extensions = Module._extensions; diff --git a/lib/internal/modules/cjs/loader.js b/lib/internal/modules/cjs/loader.js index 711589894d5d19..7c08ff8df31883 100644 --- a/lib/internal/modules/cjs/loader.js +++ b/lib/internal/modules/cjs/loader.js @@ -79,7 +79,7 @@ const { maybeCacheSourceMap, } = require('internal/source_map/source_map_cache'); const { pathToFileURL, fileURLToPath, isURLInstance } = require('internal/url'); -const { deprecate, kEmptyObject } = require('internal/util'); +const { deprecate, kEmptyObject, filterOwnProperties, setOwnProperty } = require('internal/util'); const vm = require('vm'); const assert = require('internal/assert'); const fs = require('fs'); @@ -172,7 +172,7 @@ const moduleParentCache = new SafeWeakMap(); function Module(id = '', parent) { this.id = id; this.path = path.dirname(id); - this.exports = {}; + setOwnProperty(this, 'exports', {}); moduleParentCache.set(this, parent); updateChildren(parent, this, false); this.filename = null; @@ -312,14 +312,13 @@ function readPackage(requestPath) { } try { - const parsed = JSONParse(json); - const filtered = { - name: parsed.name, - main: parsed.main, - exports: parsed.exports, - imports: parsed.imports, - type: parsed.type - }; + const filtered = filterOwnProperties(JSONParse(json), [ + 'name', + 'main', + 'exports', + 'imports', + 'type', + ]); packageJsonCache.set(jsonPath, filtered); return filtered; } catch (e) { @@ -1185,7 +1184,7 @@ Module._extensions['.json'] = function(module, filename) { } try { - module.exports = JSONParse(stripBOM(content)); + setOwnProperty(module, 'exports', JSONParse(stripBOM(content))); } catch (err) { err.message = filename + ': ' + err.message; throw err; diff --git a/lib/internal/modules/esm/package_config.js b/lib/internal/modules/esm/package_config.js index 89e90d0d997cd2..7271d065de9461 100644 --- a/lib/internal/modules/esm/package_config.js +++ b/lib/internal/modules/esm/package_config.js @@ -2,6 +2,7 @@ const { JSONParse, + ObjectPrototypeHasOwnProperty, SafeMap, StringPrototypeEndsWith, } = primordials; @@ -11,6 +12,7 @@ const { } = require('internal/errors').codes; const packageJsonReader = require('internal/modules/package_json_reader'); +const { filterOwnProperties } = require('internal/util'); /** @@ -66,8 +68,8 @@ function getPackageConfig(path, specifier, base) { ); } - let { imports, main, name, type } = packageJSON; - const { exports } = packageJSON; + let { imports, main, name, type } = filterOwnProperties(packageJSON, ['imports', 'main', 'name', 'type']); + const exports = ObjectPrototypeHasOwnProperty(packageJSON, 'exports') ? packageJSON.exports : undefined; if (typeof imports !== 'object' || imports === null) { imports = undefined; } diff --git a/lib/internal/util.js b/lib/internal/util.js index 82b52b401984fb..c077f4be2334a5 100644 --- a/lib/internal/util.js +++ b/lib/internal/util.js @@ -14,6 +14,7 @@ const { ObjectGetOwnPropertyDescriptors, ObjectGetPrototypeOf, ObjectFreeze, + ObjectPrototypeHasOwnProperty, ObjectSetPrototypeOf, Promise, ReflectApply, @@ -507,6 +508,35 @@ ObjectFreeze(kEnumerableProperty); const kEmptyObject = ObjectFreeze(ObjectCreate(null)); +function filterOwnProperties(source, keys) { + const filtered = ObjectCreate(null); + for (let i = 0; i < keys.length; i++) { + const key = keys[i]; + if (ObjectPrototypeHasOwnProperty(source, key)) { + filtered[key] = source[key]; + } + } + + return filtered; +} + +/** + * Mimics `obj[key] = value` but ignoring potential prototype inheritance. + * @param {any} obj + * @param {string} key + * @param {any} value + * @returns {any} + */ +function setOwnProperty(obj, key, value) { + return ObjectDefineProperty(obj, key, { + __proto__: null, + configurable: true, + enumerable: true, + value, + writable: true, + }); +} + module.exports = { assertCrypto, cachedResult, @@ -519,6 +549,7 @@ module.exports = { emitExperimentalWarning, exposeInterface, filterDuplicateStrings, + filterOwnProperties, getConstructorOf, getSystemErrorMap, getSystemErrorName, @@ -549,4 +580,5 @@ module.exports = { kEmptyObject, kEnumerableProperty, + setOwnProperty, }; diff --git a/test/fixtures/es-module-specifiers/index.mjs b/test/fixtures/es-module-specifiers/index.mjs index 2be7048513f287..8c361af157b70c 100644 --- a/test/fixtures/es-module-specifiers/index.mjs +++ b/test/fixtures/es-module-specifiers/index.mjs @@ -1,10 +1,11 @@ import explicit from 'explicit-main'; import implicit from 'implicit-main'; import implicitModule from 'implicit-main-type-module'; +import noMain from 'no-main-field'; function getImplicitCommonjs () { return import('implicit-main-type-commonjs'); } -export {explicit, implicit, implicitModule, getImplicitCommonjs}; +export {explicit, implicit, implicitModule, getImplicitCommonjs, noMain}; export default 'success'; diff --git a/test/fixtures/es-module-specifiers/node_modules/no-main-field/index.js b/test/fixtures/es-module-specifiers/node_modules/no-main-field/index.js new file mode 100644 index 00000000000000..528a6ff2acbf84 --- /dev/null +++ b/test/fixtures/es-module-specifiers/node_modules/no-main-field/index.js @@ -0,0 +1,2 @@ +'use strict'; +module.exports = 'no main field'; diff --git a/test/fixtures/es-module-specifiers/node_modules/no-main-field/package.json b/test/fixtures/es-module-specifiers/node_modules/no-main-field/package.json new file mode 100644 index 00000000000000..0967ef424bce67 --- /dev/null +++ b/test/fixtures/es-module-specifiers/node_modules/no-main-field/package.json @@ -0,0 +1 @@ +{} diff --git a/test/parallel/test-module-prototype-mutation.js b/test/parallel/test-module-prototype-mutation.js new file mode 100644 index 00000000000000..b21dba87b6aa40 --- /dev/null +++ b/test/parallel/test-module-prototype-mutation.js @@ -0,0 +1,43 @@ +'use strict'; +const common = require('../common'); +const fixtures = require('../common/fixtures'); +const assert = require('assert'); + +Object.defineProperty(Object.prototype, 'name', { + __proto__: null, + get: common.mustNotCall('get %Object.prototype%.name'), + set: common.mustNotCall('set %Object.prototype%.name'), + enumerable: false, +}); +Object.defineProperty(Object.prototype, 'main', { + __proto__: null, + get: common.mustNotCall('get %Object.prototype%.main'), + set: common.mustNotCall('set %Object.prototype%.main'), + enumerable: false, +}); +Object.defineProperty(Object.prototype, 'type', { + __proto__: null, + get: common.mustNotCall('get %Object.prototype%.type'), + set: common.mustNotCall('set %Object.prototype%.type'), + enumerable: false, +}); +Object.defineProperty(Object.prototype, 'exports', { + __proto__: null, + get: common.mustNotCall('get %Object.prototype%.exports'), + set: common.mustNotCall('set %Object.prototype%.exports'), + enumerable: false, +}); +Object.defineProperty(Object.prototype, 'imports', { + __proto__: null, + get: common.mustNotCall('get %Object.prototype%.imports'), + set: common.mustNotCall('set %Object.prototype%.imports'), + enumerable: false, +}); + +assert.strictEqual( + require(fixtures.path('es-module-specifiers', 'node_modules', 'no-main-field')), + 'no main field' +); + +import(fixtures.fileURL('es-module-specifiers', 'index.mjs')) + .then(common.mustCall((module) => assert.strictEqual(module.noMain, 'no main field'))); From 3dbbaa059f6dcea864461272d4a7a88e4f20e249 Mon Sep 17 00:00:00 2001 From: alexcfyung Date: Tue, 8 Mar 2022 13:10:30 -0500 Subject: [PATCH 079/147] lib: pass env variables to child process on z/OS PR-URL: https://github.com/nodejs/node/pull/42255 Reviewed-By: Michael Dawson --- lib/child_process.js | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/lib/child_process.js b/lib/child_process.js index e80e4003dc46e6..6ce21363e1ee6a 100644 --- a/lib/child_process.js +++ b/lib/child_process.js @@ -93,6 +93,8 @@ const { const MAX_BUFFER = 1024 * 1024; +const isZOS = process.platform === 'os390'; + /** * Spawns a new Node.js process + fork. * @param {string|URL} modulePath @@ -524,6 +526,14 @@ ObjectDefineProperty(execFile, promisify.custom, { value: customPromiseExecFunction(execFile) }); +function copyProcessEnvToEnv(env, name, optionEnv) { + if (process.env[name] && + (!optionEnv || + !ObjectPrototypeHasOwnProperty(optionEnv, name))) { + env[name] = process.env[name]; + } +} + function normalizeSpawnArguments(file, args, options) { validateString(file, 'file'); @@ -630,9 +640,19 @@ function normalizeSpawnArguments(file, args, options) { // process.env.NODE_V8_COVERAGE always propagates, making it possible to // collect coverage for programs that spawn with white-listed environment. - if (process.env.NODE_V8_COVERAGE && - !ObjectPrototypeHasOwnProperty(options.env || {}, 'NODE_V8_COVERAGE')) { - env.NODE_V8_COVERAGE = process.env.NODE_V8_COVERAGE; + copyProcessEnvToEnv(env, 'NODE_V8_COVERAGE', options.env); + + if (isZOS) { + // The following environment variables must always propagate if set. + copyProcessEnvToEnv(env, '_BPXK_AUTOCVT', options.env); + copyProcessEnvToEnv(env, '_CEE_RUNOPTS', options.env); + copyProcessEnvToEnv(env, '_TAG_REDIR_ERR', options.env); + copyProcessEnvToEnv(env, '_TAG_REDIR_IN', options.env); + copyProcessEnvToEnv(env, '_TAG_REDIR_OUT', options.env); + copyProcessEnvToEnv(env, 'STEPLIB', options.env); + copyProcessEnvToEnv(env, 'LIBPATH', options.env); + copyProcessEnvToEnv(env, '_EDC_SIG_DFLT', options.env); + copyProcessEnvToEnv(env, '_EDC_SUSV3', options.env); } let envKeys = []; From d6ebc7577e6b7abc687b9fd3a7ebd2b45d5e6bcb Mon Sep 17 00:00:00 2001 From: npm CLI robot Date: Thu, 4 Aug 2022 21:23:58 -0700 Subject: [PATCH 080/147] deps: upgrade npm to 8.16.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/44119 Reviewed-By: Ruy Adorno Reviewed-By: Mohammed Keyvanzadeh Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Myles Borins --- deps/npm/docs/content/commands/npm-ci.md | 2 +- deps/npm/docs/content/commands/npm-exec.md | 2 +- deps/npm/docs/content/commands/npm-query.md | 235 +++ deps/npm/docs/content/using-npm/config.md | 20 +- .../content/using-npm/dependency-selectors.md | 168 ++ deps/npm/docs/output/commands/npm-ci.html | 2 +- deps/npm/docs/output/commands/npm-exec.html | 2 +- deps/npm/docs/output/commands/npm-ls.html | 2 +- deps/npm/docs/output/commands/npm-query.html | 363 ++++ 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.../arborist/lib/query-selector-all.js | 561 ++++++ .../@npmcli/arborist/package.json | 4 +- .../fs/lib/common/file-url-to-path/index.js | 17 - .../lib/common/file-url-to-path/polyfill.js | 121 -- .../@npmcli/fs/lib/common/owner-sync.js | 4 +- .../@npmcli/fs/lib/common/owner.js | 4 +- deps/npm/node_modules/@npmcli/fs/lib/index.js | 2 +- deps/npm/node_modules/@npmcli/fs/lib/mkdir.js | 19 + .../@npmcli/fs/lib/mkdir/index.js | 29 - .../@npmcli/fs/lib/mkdir/polyfill.js | 81 - .../@npmcli/fs/lib/with-temp-dir.js | 2 +- deps/npm/node_modules/@npmcli/fs/package.json | 8 +- deps/npm/node_modules/@npmcli/query/LICENSE | 20 + .../node_modules/@npmcli/query/lib/index.js | 187 ++ .../node_modules/@npmcli/query/package.json | 61 + .../@npmcli/run-script/lib/make-spawn-args.js | 7 +- .../@npmcli/run-script/lib/run-script-pkg.js | 2 + .../@npmcli/run-script/lib/set-path.js | 12 +- .../@npmcli/run-script/package.json | 2 +- deps/npm/node_modules/cssesc/LICENSE-MIT.txt | 20 + deps/npm/node_modules/cssesc/README.md | 201 +++ deps/npm/node_modules/cssesc/bin/cssesc | 116 ++ deps/npm/node_modules/cssesc/cssesc.js | 110 ++ deps/npm/node_modules/cssesc/man/cssesc.1 | 70 + deps/npm/node_modules/cssesc/package.json | 51 + .../libnpmexec/lib/cache-install-dir.js | 20 - .../libnpmexec/lib/file-exists.js | 22 +- deps/npm/node_modules/libnpmexec/lib/index.js | 234 +-- .../node_modules/libnpmexec/lib/run-script.js | 8 +- deps/npm/node_modules/libnpmexec/package.json | 6 +- .../npm/node_modules/npm-profile/lib/index.js | 9 +- .../npm/node_modules/npm-profile/package.json | 2 +- .../postcss-selector-parser/API.md | 873 +++++++++ .../postcss-selector-parser/LICENSE-MIT | 22 + .../postcss-selector-parser/dist/index.js | 24 + .../postcss-selector-parser/dist/parser.js | 1243 +++++++++++++ .../postcss-selector-parser/dist/processor.js | 206 +++ .../dist/selectors/attribute.js | 515 ++++++ .../dist/selectors/className.js | 69 + .../dist/selectors/combinator.js | 31 + .../dist/selectors/comment.js | 31 + .../dist/selectors/constructors.js | 102 ++ .../dist/selectors/container.js | 395 ++++ .../dist/selectors/guards.js | 64 + .../dist/selectors/id.js | 37 + .../dist/selectors/index.js | 27 + .../dist/selectors/namespace.js | 101 ++ .../dist/selectors/nesting.js | 32 + .../dist/selectors/node.js | 239 +++ .../dist/selectors/pseudo.js | 38 + .../dist/selectors/root.js | 60 + .../dist/selectors/selector.js | 31 + .../dist/selectors/string.js | 31 + .../dist/selectors/tag.js | 31 + .../dist/selectors/types.js | 28 + .../dist/selectors/universal.js | 32 + .../dist/sortAscending.js | 13 + .../dist/tokenTypes.js | 95 + .../postcss-selector-parser/dist/tokenize.js | 271 +++ .../dist/util/ensureObject.js | 22 + .../dist/util/getProp.js | 24 + .../dist/util/index.js | 22 + .../dist/util/stripComments.js | 27 + .../dist/util/unesc.js | 93 + .../postcss-selector-parser/package.json | 78 + .../postcss-selector-parser.d.ts | 555 ++++++ deps/npm/package.json | 4 +- .../test/lib/commands/completion.js.test.cjs | 1 + .../test/lib/commands/config.js.test.cjs | 2 + .../test/lib/commands/ls.js.test.cjs | 7 + .../test/lib/commands/query.js.test.cjs | 221 +++ .../test/lib/load-all-commands.js.test.cjs | 14 + .../tap-snapshots/test/lib/npm.js.test.cjs | 20 +- .../test/lib/utils/cmd-list.js.test.cjs | 6 + .../lib/utils/config/definitions.js.test.cjs | 20 +- .../lib/utils/config/describe-all.js.test.cjs | 20 +- deps/npm/test/fixtures/mock-npm.js | 2 +- deps/npm/test/lib/commands/exec.js | 1592 +---------------- deps/npm/test/lib/commands/ls.js | 38 + deps/npm/test/lib/commands/query.js | 199 +++ deps/npm/test/lib/utils/open-url-prompt.js | 29 + 191 files changed, 9588 insertions(+), 2119 deletions(-) create mode 100644 deps/npm/docs/content/commands/npm-query.md create mode 100644 deps/npm/docs/content/using-npm/dependency-selectors.md create mode 100644 deps/npm/docs/output/commands/npm-query.html create mode 100644 deps/npm/docs/output/using-npm/dependency-selectors.html create mode 100644 deps/npm/lib/commands/query.js delete mode 100644 deps/npm/lib/exec/get-workspace-location-msg.js create mode 100644 deps/npm/man/man1/npm-query.1 create mode 100644 deps/npm/man/man7/dependency-selectors.7 create mode 100644 deps/npm/node_modules/@npmcli/arborist/lib/query-selector-all.js delete mode 100644 deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js delete mode 100644 deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js create mode 100644 deps/npm/node_modules/@npmcli/fs/lib/mkdir.js delete mode 100644 deps/npm/node_modules/@npmcli/fs/lib/mkdir/index.js delete mode 100644 deps/npm/node_modules/@npmcli/fs/lib/mkdir/polyfill.js create mode 100644 deps/npm/node_modules/@npmcli/query/LICENSE create mode 100644 deps/npm/node_modules/@npmcli/query/lib/index.js create mode 100644 deps/npm/node_modules/@npmcli/query/package.json create mode 100644 deps/npm/node_modules/cssesc/LICENSE-MIT.txt create mode 100644 deps/npm/node_modules/cssesc/README.md create mode 100755 deps/npm/node_modules/cssesc/bin/cssesc create mode 100644 deps/npm/node_modules/cssesc/cssesc.js create mode 100644 deps/npm/node_modules/cssesc/man/cssesc.1 create mode 100644 deps/npm/node_modules/cssesc/package.json delete mode 100644 deps/npm/node_modules/libnpmexec/lib/cache-install-dir.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/API.md create mode 100644 deps/npm/node_modules/postcss-selector-parser/LICENSE-MIT create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/index.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/parser.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/processor.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/attribute.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/className.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/combinator.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/comment.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/constructors.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/container.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/guards.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/id.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/index.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/namespace.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/nesting.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/node.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/pseudo.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/root.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/selector.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/string.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/tag.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/types.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/selectors/universal.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/sortAscending.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/tokenTypes.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/tokenize.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/util/ensureObject.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/util/getProp.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/util/index.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/util/stripComments.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/dist/util/unesc.js create mode 100644 deps/npm/node_modules/postcss-selector-parser/package.json create mode 100644 deps/npm/node_modules/postcss-selector-parser/postcss-selector-parser.d.ts create mode 100644 deps/npm/tap-snapshots/test/lib/commands/query.js.test.cjs create mode 100644 deps/npm/test/lib/commands/query.js diff --git a/deps/npm/docs/content/commands/npm-ci.md b/deps/npm/docs/content/commands/npm-ci.md index 30a03365ade814..3ecd7c6efb0957 100644 --- a/deps/npm/docs/content/commands/npm-ci.md +++ b/deps/npm/docs/content/commands/npm-ci.md @@ -67,7 +67,7 @@ $ npm ci added 154 packages in 5s ``` -Configure Travis to build using `npm ci` instead of `npm install`: +Configure Travis CI to build using `npm ci` instead of `npm install`: ```bash # .travis.yml diff --git a/deps/npm/docs/content/commands/npm-exec.md b/deps/npm/docs/content/commands/npm-exec.md index 8ccfa75c73386c..3d8de1ea54ad6f 100644 --- a/deps/npm/docs/content/commands/npm-exec.md +++ b/deps/npm/docs/content/commands/npm-exec.md @@ -127,7 +127,7 @@ $ npm exec -- foo@latest bar --package=@npmcli/foo * Default: * Type: String (can be set multiple times) -The package to install for [`npm exec`](/commands/npm-exec) +The package or packages to install for [`npm exec`](/commands/npm-exec) diff --git a/deps/npm/docs/content/commands/npm-query.md b/deps/npm/docs/content/commands/npm-query.md new file mode 100644 index 00000000000000..6166d5c0e71665 --- /dev/null +++ b/deps/npm/docs/content/commands/npm-query.md @@ -0,0 +1,235 @@ +--- +title: npm-query +section: 1 +description: Dependency selector query +--- + +### Synopsis + + + + + +```bash +npm query +``` + + + + + + +### Description + +The `npm query` command allows for usage of css selectors in order to retrieve +an array of dependency objects. + +### Piping npm query to other commands + +```bash +# find all dependencies with postinstall scripts & uninstall them +npm query ":attr(scripts, [postinstall])" | jq 'map(.name)|join("\n")' -r | xargs -I {} npm uninstall {} + +# find all git dependencies & explain who requires them +npm query ":type(git)" | jq 'map(.name)' | xargs -I {} npm why {} +``` + +### Extended Use Cases & Queries + +```stylus +// all deps +* + +// all direct deps +:root > * + +// direct production deps +:root > .prod + +// direct development deps +:root > .dev + +// any peer dep of a direct deps +:root > * > .peer + +// any workspace dep +.workspace + +// all workspaces that depend on another workspace +.workspace > .workspace + +// all workspaces that have peer deps +.workspace:has(.peer) + +// any dep named "lodash" +// equivalent to [name="lodash"] +#lodash + +// any deps named "lodash" & within semver range ^"1.2.3" +#lodash@^1.2.3 +// equivalent to... +[name="lodash"]:semver(^1.2.3) + +// get the hoisted node for a given semver range +#lodash@^1.2.3:not(:deduped) + +// querying deps with a specific version +#lodash@2.1.5 +// equivalent to... +[name="lodash"][version="2.1.5"] + +// has any deps +:has(*) + +// deps with no other deps (ie. "leaf" nodes) +:empty + +// manually querying git dependencies +[repository^=github:], +[repository^=git:], +[repository^=https://github.com], +[repository^=http://github.com], +[repository^=https://github.com], +[repository^=+git:...] + +// querying for all git dependencies +:type(git) + +// get production dependencies that aren't also dev deps +.prod:not(.dev) + +// get dependencies with specific licenses +[license=MIT], [license=ISC] + +// find all packages that have @ruyadorno as a contributor +:attr(contributors, [email=ruyadorno@github.com]) +``` + +### Example Response Output + +- an array of dependency objects is returned which can contain multiple copies of the same package which may or may not have been linked or deduped + +```json +[ + { + "name": "", + "version": "", + "description": "", + "homepage": "", + "bugs": {}, + "author": {}, + "license": {}, + "funding": {}, + "files": [], + "main": "", + "browser": "", + "bin": {}, + "man": [], + "directories": {}, + "repository": {}, + "scripts": {}, + "config": {}, + "dependencies": {}, + "devDependencies": {}, + "optionalDependencies": {}, + "bundledDependencies": {}, + "peerDependencies": {}, + "peerDependenciesMeta": {}, + "engines": {}, + "os": [], + "cpu": [], + "workspaces": {}, + "keywords": [], + ... + }, + ... +``` + +### Configuration + + + + +#### `global` + +* Default: false +* Type: Boolean + +Operates in "global" mode, so that packages are installed into the `prefix` +folder instead of the current working directory. See +[folders](/configuring-npm/folders) for more on the differences in behavior. + +* packages are installed into the `{prefix}/lib/node_modules` folder, instead + of the current working directory. +* bin files are linked to `{prefix}/bin` +* man pages are linked to `{prefix}/share/man` + + + + +#### `workspace` + +* Default: +* Type: String (can be set multiple times) + +Enable running a command in the context of the configured workspaces of the +current project while filtering by running only the workspaces defined by +this configuration option. + +Valid values for the `workspace` config are either: + +* Workspace names +* Path to a workspace directory +* Path to a parent workspace directory (will result in selecting all + workspaces within that folder) + +When set for the `npm init` command, this may be set to the folder of a +workspace which does not yet exist, to create the folder and set it up as a +brand new workspace within the project. + +This value is not exported to the environment for child processes. + + + + +#### `workspaces` + +* Default: null +* Type: null or Boolean + +Set to true to run the command in the context of **all** configured +workspaces. + +Explicitly setting this to false will cause commands like `install` to +ignore workspaces altogether. When not set explicitly: + +- Commands that operate on the `node_modules` tree (install, update, etc.) +will link workspaces into the `node_modules` folder. - Commands that do +other things (test, exec, publish, etc.) will operate on the root project, +_unless_ one or more workspaces are specified in the `workspace` config. + +This value is not exported to the environment for child processes. + + + + +#### `include-workspace-root` + +* Default: false +* Type: Boolean + +Include the workspace root when workspaces are enabled for a command. + +When false, specifying individual workspaces via the `workspace` config, or +all workspaces via the `workspaces` flag, will cause npm to operate only on +the specified workspaces, and not on the root project. + +This value is not exported to the environment for child processes. + + + + + +## See Also + +* [dependency selector](/using-npm/dependency-selector) diff --git a/deps/npm/docs/content/using-npm/config.md b/deps/npm/docs/content/using-npm/config.md index e3e1bd6c73bb3b..cd13237f34dd38 100644 --- a/deps/npm/docs/content/using-npm/config.md +++ b/deps/npm/docs/content/using-npm/config.md @@ -1244,7 +1244,7 @@ Directory in which `npm pack` will save tarballs. * Default: * Type: String (can be set multiple times) -The package to install for [`npm exec`](/commands/npm-exec) +The package or packages to install for [`npm exec`](/commands/npm-exec) @@ -1393,6 +1393,24 @@ The base URL of the npm registry. +#### `replace-registry-host` + +* Default: "npmjs" +* Type: "npmjs", "never", "always", or String + +Defines behavior for replacing the registry host in a lockfile with the +configured registry. + +The default behavior is to replace package dist URLs from the default +registry (https://registry.npmjs.org) to the configured registry. If set to +"never", then use the registry value. If set to "always", then replace the +registry host with the configured host every time. + +You may also specify a bare hostname (e.g., "registry.npmjs.org"). + + + + #### `save` * Default: `true` unless when using `npm update` where it defaults to `false` diff --git a/deps/npm/docs/content/using-npm/dependency-selectors.md b/deps/npm/docs/content/using-npm/dependency-selectors.md new file mode 100644 index 00000000000000..9d65baf631a7ef --- /dev/null +++ b/deps/npm/docs/content/using-npm/dependency-selectors.md @@ -0,0 +1,168 @@ +--- +title: Dependency Selector Syntax & Querying +section: 7 +description: Dependency Selector Syntax & Querying +--- + +### Description + +The [`npm query`](/commands/npm-query) commmand exposes a new dependency selector syntax (informed by & respecting many aspects of the [CSS Selectors 4 Spec](https://dev.w3.org/csswg/selectors4/#relational)) which: + +- Standardizes the shape of, & querying of, dependency graphs with a robust object model, metadata & selector syntax +- Leverages existing, known language syntax & operators from CSS to make disparate package information broadly accessible +- Unlocks the ability to answer complex, multi-faceted questions about dependencies, their relationships & associative metadata +- Consolidates redundant logic of similar query commands in `npm` (ex. `npm fund`, `npm ls`, `npm outdated`, `npm audit` ...) + +### Dependency Selector Syntax `v1.0.0` + +#### Overview: + +- there is no "type" or "tag" selectors (ex. `div, h1, a`) as a dependency/target is the only type of `Node` that can be queried +- the term "dependencies" is in reference to any `Node` found in a `tree` returned by `Arborist` + +#### Combinators + +- `>` direct descendant/child +- ` ` any descendant/child +- `~` sibling + +#### Selectors + +- `*` universal selector +- `#` dependency selector (equivalent to `[name="..."]`) +- `#@` (equivalent to `[name=]:semver()`) +- `,` selector list delimiter +- `.` dependency type selector +- `:` pseudo selector + +#### Dependency Type Selectors + +- `.prod` dependency found in the `dependencies` section of `package.json`, or is a child of said dependency +- `.dev` dependency found in the `devDependencies` section of `package.json`, or is a child of said dependency +- `.optional` dependency found in the `optionalDependencies` section of `package.json`, or has `"optional": true` set in its entry in the `peerDependenciesMeta` section of `package.json`, or a child of said dependency +- `.peer` dependency found in the `peerDependencies` section of `package.json` +- `.workspace` dependency found in the [`workspaces`](https://docs.npmjs.com/cli/v8/using-npm/workspaces) section of `package.json` +- `.bundled` dependency found in the `bundleDependencies` section of `package.json`, or is a child of said dependency + +#### Pseudo Selectors +- [`:not()`](https://developer.mozilla.org/en-US/docs/Web/CSS/:not) +- [`:has()`](https://developer.mozilla.org/en-US/docs/Web/CSS/:has) +- [`:is()`](https://developer.mozilla.org/en-US/docs/Web/CSS/:is) +- [`:root`](https://developer.mozilla.org/en-US/docs/Web/CSS/:root) matches the root node/dependency +- [`:scope`](https://developer.mozilla.org/en-US/docs/Web/CSS/:scope) matches node/dependency it was queried against +- [`:empty`](https://developer.mozilla.org/en-US/docs/Web/CSS/:empty) when a dependency has no dependencies +- [`:private`](https://docs.npmjs.com/cli/v8/configuring-npm/package-json#private) when a dependency is private +- `:link` when a dependency is linked (for instance, workspaces or packages manually [`linked`](https://docs.npmjs.com/cli/v8/commands/npm-link) +- `:deduped` when a dependency has been deduped (note that this does *not* always mean the dependency has been hoisted to the root of node_modules) +- `:override` when a dependency is an override (not implemented yet) +- `:extraneous` when a dependency exists but is not defined as a dependency of any node +- `:invalid` when a dependency version is out of its ancestors specified range +- `:missing` when a dependency is not found on disk +- `:semver()` matching a valid [`node-semver`](https://github.com/npm/node-semver) spec +- `:path()` [glob](https://www.npmjs.com/package/glob) matching based on dependencies path relative to the project +- `:type()` [based on currently recognized types](https://github.com/npm/npm-package-arg#result-object) + +#### [Attribute Selectors](https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors) + +The attribute selector evaluates the key/value pairs in `package.json` if they are `String`s. + +- `[]` attribute selector (ie. existence of attribute) +- `[attribute=value]` attribute value is equivalant... +- `[attribute~=value]` attribute value contains word... +- `[attribute*=value]` attribute value contains string... +- `[attribute|=value]` attribute value is equal to or starts with... +- `[attribute^=value]` attribute value starts with... +- `[attribute$=value]` attribute value ends with... + +#### `Array` & `Object` Attribute Selectors + +The generic `:attr()` pseudo selector standardizes a pattern which can be used for attribute selection of `Object`s, `Array`s or `Arrays` of `Object`s accessible via `Arborist`'s `Node.package` metadata. This allows for iterative attribute selection beyond top-level `String` evaluation. The last argument passed to `:attr()` must be an `attribute` selector or a nested `:attr()`. See examples below: + +#### `Objects` + +```css +/* return dependencies that have a `scripts.test` containing `"tap"` */ +*:attr(scripts, [test~=tap]) +``` + +#### Nested `Objects` + +Nested objects are expressed as sequential arguments to `:attr()`. + +```css +/* return dependencies that have a testling config for opera browsers */ +*:attr(testling, browsers, [~=opera]) +``` + +#### `Arrays` + +`Array`s specifically uses a special/reserved `.` character in place of a typical attribute name. `Arrays` also support exact `value` matching when a `String` is passed to the selector. + +##### Example of an `Array` Attribute Selection: +```css +/* removes the distinction between properties & arrays */ +/* ie. we'd have to check the property & iterate to match selection */ +*:attr([keywords^=react]) +*:attr(contributors, :attr([name~=Jordan])) +``` + +##### Example of an `Array` matching directly to a value: +```css +/* return dependencies that have the exact keyword "react" */ +/* this is equivalent to `*:keywords([value="react"])` */ +*:attr([keywords=react]) +``` + +##### Example of an `Array` of `Object`s: +```css +/* returns */ +*:attr(contributors, [email=ruyadorno@github.com]) +``` + +### Groups + +Dependency groups are defined by the package relationships to their ancestors (ie. the dependency types that are defined in `package.json`). This approach is user-centric as the ecosystem has been taught to think about dependencies in these groups first-and-foremost. Dependencies are allowed to be included in multiple groups (ex. a `prod` dependency may also be a `dev` dependency (in that it's also required by another `dev` dependency) & may also be `bundled` - a selector for that type of dependency would look like: `*.prod.dev.bundled`). + +- `.prod` +- `.dev` +- `.optional` +- `.peer` +- `.bundled` +- `.workspace` + +Please note that currently `workspace` deps are always `prod` dependencies. Additionally the `.root` dependency is also considered a `prod` dependency. + +### Programmatic Usage + +- `Arborist`'s `Node` Class has a `.querySelectorAll()` method + - this method will return a filtered, flattened dependency Arborist `Node` list based on a valid query selector + +```js +const Arborist = require('@npmcli/arborist') +const arb = new Arborist({}) +``` + +```js +// root-level +arb.loadActual((tree) => { + // query all production dependencies + const results = await tree.querySelectorAll('.prod') + console.log(results) +}) +``` + +```js +// iterative +arb.loadActual((tree) => { + // query for the deduped version of react + const results = await tree.querySelectorAll('#react:not(:deduped)') + // query the deduped react for git deps + const deps = await results[0].querySelectorAll(':type(git)') + console.log(deps) +}) +``` + +## See Also + +* [npm query](/commands/npm-query) +* [@npmcli/arborist](https://npm.im/@npmcli/arborist] diff --git a/deps/npm/docs/output/commands/npm-ci.html b/deps/npm/docs/output/commands/npm-ci.html index 51efa6ea98bc07..a67ad8237e7548 100644 --- a/deps/npm/docs/output/commands/npm-ci.html +++ b/deps/npm/docs/output/commands/npm-ci.html @@ -192,7 +192,7 @@

    Example

    $ npm ci
 added 154 packages in 5s
    -

    Configure Travis to build using npm ci instead of npm install:

    +

    Configure Travis CI to build using npm ci instead of npm install:

    # .travis.yml
 install:
 - npm ci
diff --git a/deps/npm/docs/output/commands/npm-exec.html b/deps/npm/docs/output/commands/npm-exec.html
index 7a5195ba4a2630..917d71db366883 100644
--- a/deps/npm/docs/output/commands/npm-exec.html
+++ b/deps/npm/docs/output/commands/npm-exec.html
@@ -236,7 +236,7 @@ 
    package
    
 
  • Default:
    • 
 
  • Type: String (can be set multiple times)
    • 
 
-
    The package to install for npm exec
    
+
    The package or packages to install for npm exec
    
 
 
 
    call
    
diff --git a/deps/npm/docs/output/commands/npm-ls.html b/deps/npm/docs/output/commands/npm-ls.html
index ce8eda1b71176d..5641195679cffd 100644
--- a/deps/npm/docs/output/commands/npm-ls.html
+++ b/deps/npm/docs/output/commands/npm-ls.html
@@ -166,7 +166,7 @@ 
    Description
    
 the results to only the paths to the packages named.  Note that nested
 packages will also show the paths to the specified packages.  For
 example, running npm ls promzard in npm's source tree will show:
    
-
    npm@8.15.1 /path/to/npm
+
    npm@8.16.0 /path/to/npm
 └─┬ init-package-json@0.0.4
   └── promzard@0.1.5
 
    
diff --git a/deps/npm/docs/output/commands/npm-query.html b/deps/npm/docs/output/commands/npm-query.html
new file mode 100644
index 00000000000000..1a11fb9e8cd8b3
--- /dev/null
+++ b/deps/npm/docs/output/commands/npm-query.html
@@ -0,0 +1,363 @@
+
+
+npm-query
+
+
+
+
+
+
    
+
    
+
    npm-query
    
+Dependency selector query
+
    
+
+
    
+
    Table of contents
    
+
    
+
    
+
+
    Synopsis
    
+
+
+
+
    npm query <selector>
+
    
+
+
+
+
    Description
    
+
    The npm query command allows for usage of css selectors in order to retrieve
+an array of dependency objects.
    
+
    Piping npm query to other commands
    
+
    # find all dependencies with postinstall scripts & uninstall them
+npm query ":attr(scripts, [postinstall])" | jq 'map(.name)|join("\n")' -r | xargs -I {} npm uninstall {}
+
+# find all git dependencies & explain who requires them
+npm query ":type(git)" | jq 'map(.name)' | xargs -I {} npm why {}
+
    
+
    Extended Use Cases & Queries
    
+
    // all deps
+*
+
+// all direct deps
+:root > *
+
+// direct production deps
+:root > .prod
+
+// direct development deps
+:root > .dev
+
+// any peer dep of a direct deps
+:root > * > .peer
+
+// any workspace dep
+.workspace
+
+// all workspaces that depend on another workspace
+.workspace > .workspace
+
+// all workspaces that have peer deps
+.workspace:has(.peer)
+
+// any dep named "lodash"
+// equivalent to [name="lodash"]
+#lodash
+
+// any deps named "lodash" & within semver range ^"1.2.3"
+#lodash@^1.2.3
+// equivalent to...
+[name="lodash"]:semver(^1.2.3)
+
+// get the hoisted node for a given semver range
+#lodash@^1.2.3:not(:deduped)
+
+// querying deps with a specific version
+#lodash@2.1.5
+// equivalent to...
+[name="lodash"][version="2.1.5"]
+
+// has any deps
+:has(*)
+
+// deps with no other deps (ie. "leaf" nodes)
+:empty
+
+// manually querying git dependencies
+[repository^=github:],
+[repository^=git:],
+[repository^=https://github.com],
+[repository^=http://github.com],
+[repository^=https://github.com],
+[repository^=+git:...]
+
+// querying for all git dependencies
+:type(git)
+
+// get production dependencies that aren't also dev deps
+.prod:not(.dev)
+
+// get dependencies with specific licenses
+[license=MIT], [license=ISC]
+
+// find all packages that have @ruyadorno as a contributor
+:attr(contributors, [email=ruyadorno@github.com])
+
    
+
    Example Response Output
    
+
      
+
    • an array of dependency objects is returned which can contain multiple copies of the same package which may or may not have been linked or deduped
      • 
+
    
+
    [
+  {
+    "name": "",
+    "version": "",
+    "description": "",
+    "homepage": "",
+    "bugs": {},
+    "author": {},
+    "license": {},
+    "funding": {},
+    "files": [],
+    "main": "",
+    "browser": "",
+    "bin": {},
+    "man": [],
+    "directories": {},
+    "repository": {},
+    "scripts": {},
+    "config": {},
+    "dependencies": {},
+    "devDependencies": {},
+    "optionalDependencies": {},
+    "bundledDependencies": {},
+    "peerDependencies": {},
+    "peerDependenciesMeta": {},
+    "engines": {},
+    "os": [],
+    "cpu": [],
+    "workspaces": {},
+    "keywords": [],
+    ...
+  },
+  ...
+
    
+
    Configuration
    
+
+
+
+
    global
    
+
      
+
    • Default: false
      • 
+
    • Type: Boolean
      • 
+
    
+
    Operates in "global" mode, so that packages are installed into the prefix
+folder instead of the current working directory. See
+folders for more on the differences in behavior.
    
+
      
+
    • packages are installed into the {prefix}/lib/node_modules folder, instead
+of the current working directory.
      • 
+
    • bin files are linked to {prefix}/bin
      • 
+
    • man pages are linked to {prefix}/share/man
      • 
+
    
+
+
+
    workspace
    
+
      
+
    • Default:
      • 
+
    • Type: String (can be set multiple times)
      • 
+
    
+
    Enable running a command in the context of the configured workspaces of the
+current project while filtering by running only the workspaces defined by
+this configuration option.
    
+
    Valid values for the workspace config are either:
    
+
      
+
    • Workspace names
      • 
+
    • Path to a workspace directory
      • 
+
    • Path to a parent workspace directory (will result in selecting all
+workspaces within that folder)
      • 
+
    
+
    When set for the npm init command, this may be set to the folder of a
+workspace which does not yet exist, to create the folder and set it up as a
+brand new workspace within the project.
    
+
    This value is not exported to the environment for child processes.
    
+
+
+
    workspaces
    
+
      
+
    • Default: null
      • 
+
    • Type: null or Boolean
      • 
+
    
+
    Set to true to run the command in the context of all configured
+workspaces.
    
+
    Explicitly setting this to false will cause commands like install to
+ignore workspaces altogether. When not set explicitly:
    
+
      
+
    • Commands that operate on the node_modules tree (install, update, etc.)
+will link workspaces into the node_modules folder. - Commands that do
+other things (test, exec, publish, etc.) will operate on the root project,
+unless one or more workspaces are specified in the workspace config.
      • 
+
    
+
    This value is not exported to the environment for child processes.
    
+
+
+
    include-workspace-root
    
+
      
+
    • Default: false
      • 
+
    • Type: Boolean
      • 
+
    
+
    Include the workspace root when workspaces are enabled for a command.
    
+
    When false, specifying individual workspaces via the workspace config, or
+all workspaces via the workspaces flag, will cause npm to operate only on
+the specified workspaces, and not on the root project.
    
+
    This value is not exported to the environment for child processes.
    
+
+
+
+
    See Also
    
+
+
    
+
+
+
    
+
+
+
+
\ No newline at end of file
diff --git a/deps/npm/docs/output/commands/npm.html b/deps/npm/docs/output/commands/npm.html
index b254b72c370861..8573a6d65caf3c 100644
--- a/deps/npm/docs/output/commands/npm.html
+++ b/deps/npm/docs/output/commands/npm.html
@@ -149,7 +149,7 @@ 
    Table of contents
    
 
 
 
    Version
    
-
    8.15.1
    
+
    8.16.0
    
 
    Description
    
 
    npm is the package manager for the Node JavaScript platform.  It puts
 modules in place so that node can find them, and manages dependency
diff --git a/deps/npm/docs/output/using-npm/config.html b/deps/npm/docs/output/using-npm/config.html
index 79bf005d61e15e..42880a27025546 100644
--- a/deps/npm/docs/output/using-npm/config.html
+++ b/deps/npm/docs/output/using-npm/config.html
@@ -142,7 +142,7 @@ 
    config
    
 
 
    
 
    Table of contents
    
-
    
+
    
 
    
 
 
    Description
    
@@ -1146,7 +1146,7 @@ 
    package
    
 
  • Default:
    • 
 
  • Type: String (can be set multiple times)
    • 
 
-
    The package to install for npm exec
    
+
    The package or packages to install for npm exec
    
 
 
 
    package-lock
    
@@ -1265,6 +1265,20 @@ 
    registry
    
 
    The base URL of the npm registry.
    
 
 
+
    replace-registry-host
    
+
      
+
    • Default: "npmjs"
      • 
+
    • Type: "npmjs", "never", "always", or String
      • 
+
    
+
    Defines behavior for replacing the registry host in a lockfile with the
+configured registry.
    
+
    The default behavior is to replace package dist URLs from the default
+registry (https://registry.npmjs.org) to the configured registry. If set to
+"never", then use the registry value. If set to "always", then replace the
+registry host with the configured host every time.
    
+
    You may also specify a bare hostname (e.g., "registry.npmjs.org").
    
+
+
 
    save
    
 
      
 
    • Default: true unless when using npm update where it defaults to false
      • 
diff --git a/deps/npm/docs/output/using-npm/dependency-selectors.html b/deps/npm/docs/output/using-npm/dependency-selectors.html
new file mode 100644
index 00000000000000..7f691cc1df77e2
--- /dev/null
+++ b/deps/npm/docs/output/using-npm/dependency-selectors.html
@@ -0,0 +1,301 @@
+
+
+Dependency Selector Syntax & Querying
+
+
+
+
+
+
      
+
      
+
      Dependency Selector Syntax & Querying
      
+Dependency Selector Syntax & Querying
+
      
+
+
      
+
      Table of contents
      
+
      
+
      
+
+
      Description
      
+
      The npm query commmand exposes a new dependency selector syntax (informed by & respecting many aspects of the CSS Selectors 4 Spec) which:
      
+
        
+
      • Standardizes the shape of, & querying of, dependency graphs with a robust object model, metadata & selector syntax
        • 
+
      • Leverages existing, known language syntax & operators from CSS to make disparate package information broadly accessible
        • 
+
      • Unlocks the ability to answer complex, multi-faceted questions about dependencies, their relationships & associative metadata
        • 
+
      • Consolidates redundant logic of similar query commands in npm (ex. npm fund, npm ls, npm outdated, npm audit ...)
        • 
+
      
+
      Dependency Selector Syntax v1.0.0
      
+
      Overview:
      
+
        
+
      • there is no "type" or "tag" selectors (ex. div, h1, a) as a dependency/target is the only type of Node that can be queried
        • 
+
      • the term "dependencies" is in reference to any Node found in a tree returned by Arborist
        • 
+
      
+
      Combinators
      
+
        
+
      • > direct descendant/child
        • 
+
      •   any descendant/child
        • 
+
      • ~ sibling
        • 
+
      
+
      Selectors
      
+
        
+
      • * universal selector
        • 
+
      • #<name> dependency selector (equivalent to [name="..."])
        • 
+
      • #<name>@<version> (equivalent to [name=<name>]:semver(<version>))
        • 
+
      • , selector list delimiter
        • 
+
      • . dependency type selector
        • 
+
      • : pseudo selector
        • 
+
      
+
      Dependency Type Selectors
      
+
        
+
      • .prod dependency found in the dependencies section of package.json, or is a child of said dependency
        • 
+
      • .dev dependency found in the devDependencies section of package.json, or is a child of said dependency
        • 
+
      • .optional dependency found in the optionalDependencies section of package.json, or has "optional": true set in its entry in the peerDependenciesMeta section of package.json, or a child of said dependency
        • 
+
      • .peer dependency found in the peerDependencies section of package.json
        • 
+
      • .workspace dependency found in the workspaces section of package.json
        • 
+
      • .bundled dependency found in the bundleDependencies section of package.json, or is a child of said dependency
        • 
+
      
+
      Pseudo Selectors
      
+
        
+
      • :not(<selector>)
        • 
+
      • :has(<selector>)
        • 
+
      • :is(<selector list>)
        • 
+
      • :root matches the root node/dependency
        • 
+
      • :scope matches node/dependency it was queried against
        • 
+
      • :empty when a dependency has no dependencies
        • 
+
      • :private when a dependency is private
        • 
+
      • :link when a dependency is linked (for instance, workspaces or packages manually linked
        • 
+
      • :deduped when a dependency has been deduped (note that this does not always mean the dependency has been hoisted to the root of node_modules)
        • 
+
      • :override when a dependency is an override (not implemented yet)
        • 
+
      • :extraneous when a dependency exists but is not defined as a dependency of any node
        • 
+
      • :invalid when a dependency version is out of its ancestors specified range
        • 
+
      • :missing when a dependency is not found on disk
        • 
+
      • :semver(<spec>) matching a valid node-semver spec
        • 
+
      • :path(<path>) glob matching based on dependencies path relative to the project
        • 
+
      • :type(<type>) based on currently recognized types
        • 
+
      
+
      Attribute Selectors
      
+
      The attribute selector evaluates the key/value pairs in package.json if they are Strings.
      
+
        
+
      • [] attribute selector (ie. existence of attribute)
        • 
+
      • [attribute=value] attribute value is equivalant...
        • 
+
      • [attribute~=value] attribute value contains word...
        • 
+
      • [attribute*=value] attribute value contains string...
        • 
+
      • [attribute|=value] attribute value is equal to or starts with...
        • 
+
      • [attribute^=value] attribute value starts with...
        • 
+
      • [attribute$=value] attribute value ends with...
        • 
+
      
+
      Array & Object Attribute Selectors
      
+
      The generic :attr() pseudo selector standardizes a pattern which can be used for attribute selection of Objects, Arrays or Arrays of Objects accessible via Arborist's Node.package metadata. This allows for iterative attribute selection beyond top-level String evaluation. The last argument passed to :attr() must be an attribute selector or a nested :attr(). See examples below:
      
+
      Objects
      
+
      /* return dependencies that have a `scripts.test` containing `"tap"` */
+*:attr(scripts, [test~=tap])
+
      
+
      Nested Objects
      
+
      Nested objects are expressed as sequential arguments to :attr().
      
+
      /* return dependencies that have a testling config for opera browsers */
+*:attr(testling, browsers, [~=opera])
+
      
+
      Arrays
      
+
      Arrays specifically uses a special/reserved . character in place of a typical attribute name. Arrays also support exact value matching when a String is passed to the selector.
      
+
      Example of an Array Attribute Selection:
      
+
      /* removes the distinction between properties & arrays */
+/* ie. we'd have to check the property & iterate to match selection */
+*:attr([keywords^=react])
+*:attr(contributors, :attr([name~=Jordan]))
+
      
+
      Example of an Array matching directly to a value:
      
+
      /* return dependencies that have the exact keyword "react" */
+/* this is equivalent to `*:keywords([value="react"])` */
+*:attr([keywords=react])
+
      
+
      Example of an Array of Objects:
      
+
      /* returns */
+*:attr(contributors, [email=ruyadorno@github.com])
+
      
+
      Groups
      
+
      Dependency groups are defined by the package relationships to their ancestors (ie. the dependency types that are defined in package.json). This approach is user-centric as the ecosystem has been taught to think about dependencies in these groups first-and-foremost. Dependencies are allowed to be included in multiple groups (ex. a prod dependency may also be a dev dependency (in that it's also required by another dev dependency) & may also be bundled - a selector for that type of dependency would look like: *.prod.dev.bundled).
      
+
        
+
      • .prod
        • 
+
      • .dev
        • 
+
      • .optional
        • 
+
      • .peer
        • 
+
      • .bundled
        • 
+
      • .workspace
        • 
+
      
+
      Please note that currently workspace deps are always prod dependencies.  Additionally the .root dependency is also considered a prod dependency.
      
+
      Programmatic Usage
      
+
        
+
      • Arborist's Node Class has a .querySelectorAll() method
+
          
+
        • this method will return a filtered, flattened dependency Arborist Node list based on a valid query selector
          • 
+
        
+
        • 
+
      
+
      const Arborist = require('@npmcli/arborist')
+const arb = new Arborist({})
+
      
+
      // root-level
+arb.loadActual((tree) => {
+  // query all production dependencies
+  const results = await tree.querySelectorAll('.prod')
+  console.log(results)
+})
+
      
+
      // iterative
+arb.loadActual((tree) => {
+  // query for the deduped version of react
+  const results = await tree.querySelectorAll('#react:not(:deduped)')
+  // query the deduped react for git deps
+  const deps = await results[0].querySelectorAll(':type(git)')
+  console.log(deps)
+})
+
      
+
      See Also
      
+
+
      
+
+
+
      
+
+
+
+
\ No newline at end of file
diff --git a/deps/npm/lib/commands/exec.js b/deps/npm/lib/commands/exec.js
index d9a686cc9a3be7..ddbb5f7cf9d79c 100644
--- a/deps/npm/lib/commands/exec.js
+++ b/deps/npm/lib/commands/exec.js
@@ -1,31 +1,6 @@
+const path = require('path')
 const libexec = require('libnpmexec')
 const BaseCommand = require('../base-command.js')
-const getLocationMsg = require('../exec/get-workspace-location-msg.js')
-
-// it's like this:
-//
-// npm x pkg@version <-- runs the bin named "pkg" or the only bin if only 1
-//
-// { name: 'pkg', bin: { pkg: 'pkg.js', foo: 'foo.js' }} <-- run pkg
-// { name: 'pkg', bin: { foo: 'foo.js' }} <-- run foo?
-//
-// npm x -p pkg@version -- foo
-//
-// npm x -p pkg@version -- foo --registry=/dev/null
-//
-// const pkg = npm.config.get('package') || getPackageFrom(args[0])
-// const cmd = getCommand(pkg, args[0])
-// --> npm x -c 'cmd ...args.slice(1)'
-//
-// we've resolved cmd and args, and escaped them properly, and installed the
-// relevant packages.
-//
-// Add the ${npx install prefix}/node_modules/.bin to PATH
-//
-// pkg = readPackageJson('./package.json')
-// pkg.scripts.___npx = ${the -c arg}
-// runScript({ pkg, event: 'npx', ... })
-// process.env.npm_lifecycle_event = 'npx'
 
 class Exec extends BaseCommand {
   static description = 'Run a command from a local or remote npm package'
@@ -49,8 +24,10 @@ class Exec extends BaseCommand {
   static isShellout = true
 
   async exec (_args, { locationMsg, runPath } = {}) {
-    const path = this.npm.localPrefix
+    // This is where libnpmexec will look for locally installed packages
+    const localPrefix = this.npm.localPrefix
 
+    // This is where libnpmexec will actually run the scripts from
     if (!runPath) {
       runPath = process.cwd()
     }
@@ -61,8 +38,9 @@ class Exec extends BaseCommand {
       flatOptions,
       localBin,
       globalBin,
+      globalDir,
     } = this.npm
-    const output = (...outputArgs) => this.npm.output(...outputArgs)
+    const output = this.npm.output.bind(this.npm)
     const scriptShell = this.npm.config.get('script-shell') || undefined
     const packages = this.npm.config.get('package')
     const yes = this.npm.config.get('yes')
@@ -81,9 +59,10 @@ class Exec extends BaseCommand {
       localBin,
       locationMsg,
       globalBin,
+      globalPath: path.resolve(globalDir, '..'),
       output,
       packages,
-      path,
+      path: localPrefix,
       runPath,
       scriptShell,
       yes,
@@ -92,10 +71,10 @@ class Exec extends BaseCommand {
 
   async execWorkspaces (args, filters) {
     await this.setWorkspaces(filters)
-    const color = this.npm.color
 
-    for (const path of this.workspacePaths) {
-      const locationMsg = await getLocationMsg({ color, path })
+    for (const [name, path] of this.workspaces) {
+      const locationMsg =
+        `in workspace ${this.npm.chalk.green(name)} at location:\n${this.npm.chalk.dim(path)}`
       await this.exec(args, { locationMsg, runPath: path })
     }
   }
diff --git a/deps/npm/lib/commands/init.js b/deps/npm/lib/commands/init.js
index cff8340dcd7074..039f08e06059e6 100644
--- a/deps/npm/lib/commands/init.js
+++ b/deps/npm/lib/commands/init.js
@@ -10,7 +10,6 @@ const PackageJson = require('@npmcli/package-json')
 const log = require('../utils/log-shim.js')
 const updateWorkspaces = require('../workspaces/update-workspaces.js')
 
-const getLocationMsg = require('../exec/get-workspace-location-msg.js')
 const BaseCommand = require('../base-command.js')
 
 class Init extends BaseCommand {
@@ -119,13 +118,7 @@ class Init extends BaseCommand {
       localBin,
       globalBin,
     } = this.npm
-    // this function is definitely called.  But because of coverage map stuff
-    // it ends up both uncovered, and the coverage report doesn't even mention.
-    // the tests do assert that some output happens, so we know this line is
-    // being hit.
-    /* istanbul ignore next */
-    const output = (...outputArgs) => this.npm.output(...outputArgs)
-    const locationMsg = await getLocationMsg({ color, path })
+    const output = this.npm.output.bind(this.npm)
     const runPath = path
     const scriptShell = this.npm.config.get('script-shell') || undefined
     const yes = this.npm.config.get('yes')
@@ -135,7 +128,6 @@ class Init extends BaseCommand {
       args: newArgs,
       color,
       localBin,
-      locationMsg,
       globalBin,
       output,
       path,
diff --git a/deps/npm/lib/commands/ls.js b/deps/npm/lib/commands/ls.js
index d3932072b7d348..073ca0c6992e83 100644
--- a/deps/npm/lib/commands/ls.js
+++ b/deps/npm/lib/commands/ls.js
@@ -92,7 +92,7 @@ class LS extends ArboristWorkspaceCmd {
       }
 
       if (this.npm.flatOptions.includeWorkspaceRoot
-          && !edge.to.isWorkspace) {
+          && edge.to && !edge.to.isWorkspace) {
         return true
       }
 
diff --git a/deps/npm/lib/commands/query.js b/deps/npm/lib/commands/query.js
new file mode 100644
index 00000000000000..371fddef9b4408
--- /dev/null
+++ b/deps/npm/lib/commands/query.js
@@ -0,0 +1,104 @@
+'use strict'
+
+const { resolve } = require('path')
+const Arborist = require('@npmcli/arborist')
+const BaseCommand = require('../base-command.js')
+
+class QuerySelectorItem {
+  constructor (node) {
+    // all enumerable properties from the target
+    Object.assign(this, node.target.package)
+
+    // append extra info
+    this.pkgid = node.target.pkgid
+    this.location = node.target.location
+    this.path = node.target.path
+    this.realpath = node.target.realpath
+    this.resolved = node.target.resolved
+    this.from = []
+    this.to = []
+    this.dev = node.target.dev
+    this.inBundle = node.target.inBundle
+    this.deduped = this.from.length > 1
+    for (const edge of node.target.edgesIn) {
+      this.from.push(edge.from.location)
+    }
+    for (const [, edge] of node.target.edgesOut) {
+      if (edge.to) {
+        this.to.push(edge.to.location)
+      }
+    }
+  }
+}
+
+class Query extends BaseCommand {
+  #response = [] // response is the query response
+  #seen = new Set() // paths we've seen so we can keep response deduped
+
+  static description = 'Retrieve a filtered list of packages'
+  static name = 'query'
+  static usage = ['']
+
+  static ignoreImplicitWorkspace = false
+
+  static params = [
+    'global',
+    'workspace',
+    'workspaces',
+    'include-workspace-root',
+  ]
+
+  get parsedResponse () {
+    return JSON.stringify(this.#response, null, 2)
+  }
+
+  async exec (args) {
+    // one dir up from wherever node_modules lives
+    const where = resolve(this.npm.dir, '..')
+    const opts = {
+      ...this.npm.flatOptions,
+      path: where,
+    }
+    const arb = new Arborist(opts)
+    const tree = await arb.loadActual(opts)
+    const items = await tree.querySelectorAll(args[0])
+    this.buildResponse(items)
+
+    this.npm.output(this.parsedResponse)
+  }
+
+  async execWorkspaces (args, filters) {
+    await this.setWorkspaces(filters)
+    const opts = {
+      ...this.npm.flatOptions,
+      path: this.npm.prefix,
+    }
+    const arb = new Arborist(opts)
+    const tree = await arb.loadActual(opts)
+    for (const workspacePath of this.workspacePaths) {
+      let items
+      if (workspacePath === tree.root.path) {
+        // include-workspace-root
+        items = await tree.querySelectorAll(args[0])
+      } else {
+        const [workspace] = await tree.querySelectorAll(`.workspace:path(${workspacePath})`)
+        items = await workspace.target.querySelectorAll(args[0])
+      }
+      this.buildResponse(items)
+    }
+    this.npm.output(this.parsedResponse)
+  }
+
+  // builds a normalized inventory
+  buildResponse (items) {
+    for (const node of items) {
+      if (!this.#seen.has(node.target.location)) {
+        const item = new QuerySelectorItem(node)
+        this.#response.push(item)
+        this.#seen.add(item.location)
+      }
+    }
+  }
+}
+
+module.exports = Query
diff --git a/deps/npm/lib/exec/get-workspace-location-msg.js b/deps/npm/lib/exec/get-workspace-location-msg.js
deleted file mode 100644
index 813b11e7892223..00000000000000
--- a/deps/npm/lib/exec/get-workspace-location-msg.js
+++ /dev/null
@@ -1,25 +0,0 @@
-const chalk = require('chalk')
-const readPackageJson = require('read-package-json-fast')
-
-const nocolor = {
-  dim: s => s,
-  green: s => s,
-}
-
-const getLocationMsg = async ({ color, path }) => {
-  const colorize = color ? chalk : nocolor
-  const { _id } =
-    await readPackageJson(`${path}/package.json`)
-      .catch(() => ({}))
-
-  const workspaceMsg = _id
-    ? ` in workspace ${colorize.green(_id)}`
-    : ` in a ${colorize.green('new')} workspace`
-  const locationMsg = ` at location:\n${
-    colorize.dim(path)
-  }`
-
-  return `${workspaceMsg}${locationMsg}`
-}
-
-module.exports = getLocationMsg
diff --git a/deps/npm/lib/utils/cmd-list.js b/deps/npm/lib/utils/cmd-list.js
index c1d20186a82a6d..38439542a21f9e 100644
--- a/deps/npm/lib/utils/cmd-list.js
+++ b/deps/npm/lib/utils/cmd-list.js
@@ -114,6 +114,7 @@ const cmdList = [
   'profile',
   'prune',
   'publish',
+  'query',
   'rebuild',
   'repo',
   'restart',
diff --git a/deps/npm/lib/utils/config/definitions.js b/deps/npm/lib/utils/config/definitions.js
index 7d6af2473f2bd6..a132c8456b0fa0 100644
--- a/deps/npm/lib/utils/config/definitions.js
+++ b/deps/npm/lib/utils/config/definitions.js
@@ -1470,7 +1470,7 @@ define('package', {
   hint: '',
   type: [String, Array],
   description: `
-    The package to install for [\`npm exec\`](/commands/npm-exec)
+    The package or packages to install for [\`npm exec\`](/commands/npm-exec)
   `,
   flatten,
 })
@@ -1649,6 +1649,24 @@ define('registry', {
   flatten,
 })
 
+define('replace-registry-host', {
+  default: 'npmjs',
+  hint: ' | hostname',
+  type: ['npmjs', 'never', 'always', String],
+  description: `
+    Defines behavior for replacing the registry host in a lockfile with the
+    configured registry.
+
+    The default behavior is to replace package dist URLs from the default
+    registry (https://registry.npmjs.org) to the configured registry. If set to
+    "never", then use the registry value. If set to "always", then replace the
+    registry host with the configured host every time.
+
+    You may also specify a bare hostname (e.g., "registry.npmjs.org").
+  `,
+  flatten,
+})
+
 define('save', {
   default: true,
   defaultDescription: `\`true\` unless when using \`npm update\` where it
diff --git a/deps/npm/lib/utils/open-url-prompt.js b/deps/npm/lib/utils/open-url-prompt.js
index 3eb3ac288c0355..290040e5d14aa7 100644
--- a/deps/npm/lib/utils/open-url-prompt.js
+++ b/deps/npm/lib/utils/open-url-prompt.js
@@ -34,6 +34,11 @@ const promptOpen = async (npm, url, title, prompt, emitter) => {
   })
 
   const tryOpen = await new Promise(resolve => {
+    rl.on('SIGINT', () => {
+      rl.close()
+      resolve('SIGINT')
+    })
+
     rl.question(prompt, () => {
       resolve(true)
     })
@@ -50,6 +55,10 @@ const promptOpen = async (npm, url, title, prompt, emitter) => {
     }
   })
 
+  if (tryOpen === 'SIGINT') {
+    throw new Error('canceled')
+  }
+
   if (!tryOpen) {
     return
   }
diff --git a/deps/npm/man/man1/npm-access.1 b/deps/npm/man/man1/npm-access.1
index 2c3f67180c1c89..703268cab4d879 100644
--- a/deps/npm/man/man1/npm-access.1
+++ b/deps/npm/man/man1/npm-access.1
@@ -1,4 +1,4 @@
-.TH "NPM\-ACCESS" "1" "July 2022" "" ""
+.TH "NPM\-ACCESS" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-access\fR \- Set access level on published packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-adduser.1 b/deps/npm/man/man1/npm-adduser.1
index fc27cef4516a28..5e46279d09d22a 100644
--- a/deps/npm/man/man1/npm-adduser.1
+++ b/deps/npm/man/man1/npm-adduser.1
@@ -1,4 +1,4 @@
-.TH "NPM\-ADDUSER" "1" "July 2022" "" ""
+.TH "NPM\-ADDUSER" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-adduser\fR \- Add a registry user account
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-audit.1 b/deps/npm/man/man1/npm-audit.1
index ac628b8a80c517..41b431b401d242 100644
--- a/deps/npm/man/man1/npm-audit.1
+++ b/deps/npm/man/man1/npm-audit.1
@@ -1,4 +1,4 @@
-.TH "NPM\-AUDIT" "1" "July 2022" "" ""
+.TH "NPM\-AUDIT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-audit\fR \- Run a security audit
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-bin.1 b/deps/npm/man/man1/npm-bin.1
index a3316780613917..a9c32cbf3e61c5 100644
--- a/deps/npm/man/man1/npm-bin.1
+++ b/deps/npm/man/man1/npm-bin.1
@@ -1,4 +1,4 @@
-.TH "NPM\-BIN" "1" "July 2022" "" ""
+.TH "NPM\-BIN" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-bin\fR \- Display npm bin folder
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-bugs.1 b/deps/npm/man/man1/npm-bugs.1
index d401d152d4fa9c..ded7cba677ce4a 100644
--- a/deps/npm/man/man1/npm-bugs.1
+++ b/deps/npm/man/man1/npm-bugs.1
@@ -1,4 +1,4 @@
-.TH "NPM\-BUGS" "1" "July 2022" "" ""
+.TH "NPM\-BUGS" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-bugs\fR \- Report bugs for a package in a web browser
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-cache.1 b/deps/npm/man/man1/npm-cache.1
index 379fdccedd94b7..1825e026f1811c 100644
--- a/deps/npm/man/man1/npm-cache.1
+++ b/deps/npm/man/man1/npm-cache.1
@@ -1,4 +1,4 @@
-.TH "NPM\-CACHE" "1" "July 2022" "" ""
+.TH "NPM\-CACHE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-cache\fR \- Manipulates packages cache
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-ci.1 b/deps/npm/man/man1/npm-ci.1
index 6a83ab881caec5..da444f6f45ef82 100644
--- a/deps/npm/man/man1/npm-ci.1
+++ b/deps/npm/man/man1/npm-ci.1
@@ -1,4 +1,4 @@
-.TH "NPM\-CI" "1" "July 2022" "" ""
+.TH "NPM\-CI" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-ci\fR \- Clean install a project
 .SS Synopsis
@@ -66,7 +66,7 @@ added 154 packages in 5s
 .fi
 .RE
 .P
-Configure Travis to build using \fBnpm ci\fP instead of \fBnpm install\fP:
+Configure Travis CI to build using \fBnpm ci\fP instead of \fBnpm install\fP:
 .P
 .RS 2
 .nf
diff --git a/deps/npm/man/man1/npm-completion.1 b/deps/npm/man/man1/npm-completion.1
index 6fedc9f5a4cab2..167ea44f368d9d 100644
--- a/deps/npm/man/man1/npm-completion.1
+++ b/deps/npm/man/man1/npm-completion.1
@@ -1,4 +1,4 @@
-.TH "NPM\-COMPLETION" "1" "July 2022" "" ""
+.TH "NPM\-COMPLETION" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-completion\fR \- Tab Completion for npm
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-config.1 b/deps/npm/man/man1/npm-config.1
index 1898ee6cdc630e..87719ca60f7b88 100644
--- a/deps/npm/man/man1/npm-config.1
+++ b/deps/npm/man/man1/npm-config.1
@@ -1,4 +1,4 @@
-.TH "NPM\-CONFIG" "1" "July 2022" "" ""
+.TH "NPM\-CONFIG" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-config\fR \- Manage the npm configuration files
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-dedupe.1 b/deps/npm/man/man1/npm-dedupe.1
index cdae87193198e6..6ea6dd169d279b 100644
--- a/deps/npm/man/man1/npm-dedupe.1
+++ b/deps/npm/man/man1/npm-dedupe.1
@@ -1,4 +1,4 @@
-.TH "NPM\-DEDUPE" "1" "July 2022" "" ""
+.TH "NPM\-DEDUPE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-dedupe\fR \- Reduce duplication in the package tree
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-deprecate.1 b/deps/npm/man/man1/npm-deprecate.1
index ba9c1d083e9bf1..3ed0d4e4fa7546 100644
--- a/deps/npm/man/man1/npm-deprecate.1
+++ b/deps/npm/man/man1/npm-deprecate.1
@@ -1,4 +1,4 @@
-.TH "NPM\-DEPRECATE" "1" "July 2022" "" ""
+.TH "NPM\-DEPRECATE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-deprecate\fR \- Deprecate a version of a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-diff.1 b/deps/npm/man/man1/npm-diff.1
index 6d5f0eb2c64e00..1776fbc23b09e5 100644
--- a/deps/npm/man/man1/npm-diff.1
+++ b/deps/npm/man/man1/npm-diff.1
@@ -1,4 +1,4 @@
-.TH "NPM\-DIFF" "1" "July 2022" "" ""
+.TH "NPM\-DIFF" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-diff\fR \- The registry diff command
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-dist-tag.1 b/deps/npm/man/man1/npm-dist-tag.1
index b96b7c26e4f7d2..f176336ebecff6 100644
--- a/deps/npm/man/man1/npm-dist-tag.1
+++ b/deps/npm/man/man1/npm-dist-tag.1
@@ -1,4 +1,4 @@
-.TH "NPM\-DIST\-TAG" "1" "July 2022" "" ""
+.TH "NPM\-DIST\-TAG" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-dist-tag\fR \- Modify package distribution tags
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-docs.1 b/deps/npm/man/man1/npm-docs.1
index d15191dd13ab94..f79dc835da073c 100644
--- a/deps/npm/man/man1/npm-docs.1
+++ b/deps/npm/man/man1/npm-docs.1
@@ -1,4 +1,4 @@
-.TH "NPM\-DOCS" "1" "July 2022" "" ""
+.TH "NPM\-DOCS" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-docs\fR \- Open documentation for a package in a web browser
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-doctor.1 b/deps/npm/man/man1/npm-doctor.1
index aa4affb8908d37..14651e098d31db 100644
--- a/deps/npm/man/man1/npm-doctor.1
+++ b/deps/npm/man/man1/npm-doctor.1
@@ -1,4 +1,4 @@
-.TH "NPM\-DOCTOR" "1" "July 2022" "" ""
+.TH "NPM\-DOCTOR" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-doctor\fR \- Check your npm environment
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-edit.1 b/deps/npm/man/man1/npm-edit.1
index 7b0725b669c44d..d9c2c132439ab9 100644
--- a/deps/npm/man/man1/npm-edit.1
+++ b/deps/npm/man/man1/npm-edit.1
@@ -1,4 +1,4 @@
-.TH "NPM\-EDIT" "1" "July 2022" "" ""
+.TH "NPM\-EDIT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-edit\fR \- Edit an installed package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-exec.1 b/deps/npm/man/man1/npm-exec.1
index f29a7bcb7d77b4..d2467f0c98f0dc 100644
--- a/deps/npm/man/man1/npm-exec.1
+++ b/deps/npm/man/man1/npm-exec.1
@@ -1,4 +1,4 @@
-.TH "NPM\-EXEC" "1" "July 2022" "" ""
+.TH "NPM\-EXEC" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-exec\fR \- Run a command from a local or remote npm package
 .SS Synopsis
@@ -129,7 +129,7 @@ Type: String (can be set multiple times)
 
 .RE
 .P
-The package to install for npm help \fBexec\fP
+The package or packages to install for npm help \fBexec\fP
 .SS \fBcall\fP
 .RS 0
 .IP \(bu 2
diff --git a/deps/npm/man/man1/npm-explain.1 b/deps/npm/man/man1/npm-explain.1
index 0a0dd0a14991c4..7ff603fc1b3a0e 100644
--- a/deps/npm/man/man1/npm-explain.1
+++ b/deps/npm/man/man1/npm-explain.1
@@ -1,4 +1,4 @@
-.TH "NPM\-EXPLAIN" "1" "July 2022" "" ""
+.TH "NPM\-EXPLAIN" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-explain\fR \- Explain installed packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-explore.1 b/deps/npm/man/man1/npm-explore.1
index e46d75eec6a2b7..6bd60c93fcc03d 100644
--- a/deps/npm/man/man1/npm-explore.1
+++ b/deps/npm/man/man1/npm-explore.1
@@ -1,4 +1,4 @@
-.TH "NPM\-EXPLORE" "1" "July 2022" "" ""
+.TH "NPM\-EXPLORE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-explore\fR \- Browse an installed package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-find-dupes.1 b/deps/npm/man/man1/npm-find-dupes.1
index 6c5aa7e1b43131..e433180e7a6f09 100644
--- a/deps/npm/man/man1/npm-find-dupes.1
+++ b/deps/npm/man/man1/npm-find-dupes.1
@@ -1,4 +1,4 @@
-.TH "NPM\-FIND\-DUPES" "1" "July 2022" "" ""
+.TH "NPM\-FIND\-DUPES" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-find-dupes\fR \- Find duplication in the package tree
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-fund.1 b/deps/npm/man/man1/npm-fund.1
index 06612675a4a0da..77631d7d7e9f5e 100644
--- a/deps/npm/man/man1/npm-fund.1
+++ b/deps/npm/man/man1/npm-fund.1
@@ -1,4 +1,4 @@
-.TH "NPM\-FUND" "1" "July 2022" "" ""
+.TH "NPM\-FUND" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-fund\fR \- Retrieve funding information
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-help-search.1 b/deps/npm/man/man1/npm-help-search.1
index 69b13814f1af26..5cd66df0e33e55 100644
--- a/deps/npm/man/man1/npm-help-search.1
+++ b/deps/npm/man/man1/npm-help-search.1
@@ -1,4 +1,4 @@
-.TH "NPM\-HELP\-SEARCH" "1" "July 2022" "" ""
+.TH "NPM\-HELP\-SEARCH" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-help-search\fR \- Search npm help documentation
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-help.1 b/deps/npm/man/man1/npm-help.1
index 7c541c114df917..3ff6c4452cd82a 100644
--- a/deps/npm/man/man1/npm-help.1
+++ b/deps/npm/man/man1/npm-help.1
@@ -1,4 +1,4 @@
-.TH "NPM\-HELP" "1" "July 2022" "" ""
+.TH "NPM\-HELP" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-help\fR \- Get help on npm
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-hook.1 b/deps/npm/man/man1/npm-hook.1
index 0eee4018b4eac4..abecdbfc279ff3 100644
--- a/deps/npm/man/man1/npm-hook.1
+++ b/deps/npm/man/man1/npm-hook.1
@@ -1,4 +1,4 @@
-.TH "NPM\-HOOK" "1" "July 2022" "" ""
+.TH "NPM\-HOOK" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-hook\fR \- Manage registry hooks
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-init.1 b/deps/npm/man/man1/npm-init.1
index b21a794af47cc2..1098fa467d03ee 100644
--- a/deps/npm/man/man1/npm-init.1
+++ b/deps/npm/man/man1/npm-init.1
@@ -1,4 +1,4 @@
-.TH "NPM\-INIT" "1" "July 2022" "" ""
+.TH "NPM\-INIT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-init\fR \- Create a package\.json file
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-install-ci-test.1 b/deps/npm/man/man1/npm-install-ci-test.1
index 10f785698528d9..6a55a8fd978a67 100644
--- a/deps/npm/man/man1/npm-install-ci-test.1
+++ b/deps/npm/man/man1/npm-install-ci-test.1
@@ -1,4 +1,4 @@
-.TH "NPM\-INSTALL\-CI\-TEST" "1" "July 2022" "" ""
+.TH "NPM\-INSTALL\-CI\-TEST" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-install-ci-test\fR \- Install a project with a clean slate and run tests
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-install-test.1 b/deps/npm/man/man1/npm-install-test.1
index 0cd44530fd7e0b..55360a9f7dc19e 100644
--- a/deps/npm/man/man1/npm-install-test.1
+++ b/deps/npm/man/man1/npm-install-test.1
@@ -1,4 +1,4 @@
-.TH "NPM\-INSTALL\-TEST" "1" "July 2022" "" ""
+.TH "NPM\-INSTALL\-TEST" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-install-test\fR \- Install package(s) and run tests
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-install.1 b/deps/npm/man/man1/npm-install.1
index f54f1e202cd067..4b350b83c586c0 100644
--- a/deps/npm/man/man1/npm-install.1
+++ b/deps/npm/man/man1/npm-install.1
@@ -1,4 +1,4 @@
-.TH "NPM\-INSTALL" "1" "July 2022" "" ""
+.TH "NPM\-INSTALL" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-install\fR \- Install a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-link.1 b/deps/npm/man/man1/npm-link.1
index 8943060964e156..a577656a249ea3 100644
--- a/deps/npm/man/man1/npm-link.1
+++ b/deps/npm/man/man1/npm-link.1
@@ -1,4 +1,4 @@
-.TH "NPM\-LINK" "1" "July 2022" "" ""
+.TH "NPM\-LINK" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-link\fR \- Symlink a package folder
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-logout.1 b/deps/npm/man/man1/npm-logout.1
index 1e0d35f9005bb8..6481d8e9840f5c 100644
--- a/deps/npm/man/man1/npm-logout.1
+++ b/deps/npm/man/man1/npm-logout.1
@@ -1,4 +1,4 @@
-.TH "NPM\-LOGOUT" "1" "July 2022" "" ""
+.TH "NPM\-LOGOUT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-logout\fR \- Log out of the registry
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-ls.1 b/deps/npm/man/man1/npm-ls.1
index cc465caebe5a1e..f0852befaace42 100644
--- a/deps/npm/man/man1/npm-ls.1
+++ b/deps/npm/man/man1/npm-ls.1
@@ -1,4 +1,4 @@
-.TH "NPM\-LS" "1" "July 2022" "" ""
+.TH "NPM\-LS" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-ls\fR \- List installed packages
 .SS Synopsis
@@ -26,7 +26,7 @@ example, running \fBnpm ls promzard\fP in npm's source tree will show:
 .P
 .RS 2
 .nf
-npm@8\.15\.1 /path/to/npm
+npm@8\.16\.0 /path/to/npm
 └─┬ init\-package\-json@0\.0\.4
   └── promzard@0\.1\.5
 .fi
diff --git a/deps/npm/man/man1/npm-org.1 b/deps/npm/man/man1/npm-org.1
index 9545a27ced04f9..09d1bedfc2b171 100644
--- a/deps/npm/man/man1/npm-org.1
+++ b/deps/npm/man/man1/npm-org.1
@@ -1,4 +1,4 @@
-.TH "NPM\-ORG" "1" "July 2022" "" ""
+.TH "NPM\-ORG" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-org\fR \- Manage orgs
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-outdated.1 b/deps/npm/man/man1/npm-outdated.1
index b18a2bd064b137..ab0bd8520b81b8 100644
--- a/deps/npm/man/man1/npm-outdated.1
+++ b/deps/npm/man/man1/npm-outdated.1
@@ -1,4 +1,4 @@
-.TH "NPM\-OUTDATED" "1" "July 2022" "" ""
+.TH "NPM\-OUTDATED" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-outdated\fR \- Check for outdated packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-owner.1 b/deps/npm/man/man1/npm-owner.1
index ebdf9f719c8412..6df79588f5f24f 100644
--- a/deps/npm/man/man1/npm-owner.1
+++ b/deps/npm/man/man1/npm-owner.1
@@ -1,4 +1,4 @@
-.TH "NPM\-OWNER" "1" "July 2022" "" ""
+.TH "NPM\-OWNER" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-owner\fR \- Manage package owners
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-pack.1 b/deps/npm/man/man1/npm-pack.1
index f89580c2090606..9b8ebd69a9e592 100644
--- a/deps/npm/man/man1/npm-pack.1
+++ b/deps/npm/man/man1/npm-pack.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PACK" "1" "July 2022" "" ""
+.TH "NPM\-PACK" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-pack\fR \- Create a tarball from a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-ping.1 b/deps/npm/man/man1/npm-ping.1
index c60ce739dfea26..7972db6b7b0bea 100644
--- a/deps/npm/man/man1/npm-ping.1
+++ b/deps/npm/man/man1/npm-ping.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PING" "1" "July 2022" "" ""
+.TH "NPM\-PING" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-ping\fR \- Ping npm registry
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-pkg.1 b/deps/npm/man/man1/npm-pkg.1
index 9bffc812fc6f84..9bf1c007dfe7ef 100644
--- a/deps/npm/man/man1/npm-pkg.1
+++ b/deps/npm/man/man1/npm-pkg.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PKG" "1" "July 2022" "" ""
+.TH "NPM\-PKG" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-pkg\fR \- Manages your package\.json
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-prefix.1 b/deps/npm/man/man1/npm-prefix.1
index fcc9f57bcfbb13..906021bf21de2e 100644
--- a/deps/npm/man/man1/npm-prefix.1
+++ b/deps/npm/man/man1/npm-prefix.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PREFIX" "1" "July 2022" "" ""
+.TH "NPM\-PREFIX" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-prefix\fR \- Display prefix
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-profile.1 b/deps/npm/man/man1/npm-profile.1
index 285f4e118be6ea..f0b19a614bb758 100644
--- a/deps/npm/man/man1/npm-profile.1
+++ b/deps/npm/man/man1/npm-profile.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PROFILE" "1" "July 2022" "" ""
+.TH "NPM\-PROFILE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-profile\fR \- Change settings on your registry profile
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-prune.1 b/deps/npm/man/man1/npm-prune.1
index 0a3c631fb57dc1..c2209502fc578d 100644
--- a/deps/npm/man/man1/npm-prune.1
+++ b/deps/npm/man/man1/npm-prune.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PRUNE" "1" "July 2022" "" ""
+.TH "NPM\-PRUNE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-prune\fR \- Remove extraneous packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-publish.1 b/deps/npm/man/man1/npm-publish.1
index 664e5664ba95d7..e45c52a88e9d43 100644
--- a/deps/npm/man/man1/npm-publish.1
+++ b/deps/npm/man/man1/npm-publish.1
@@ -1,4 +1,4 @@
-.TH "NPM\-PUBLISH" "1" "July 2022" "" ""
+.TH "NPM\-PUBLISH" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-publish\fR \- Publish a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-query.1 b/deps/npm/man/man1/npm-query.1
new file mode 100644
index 00000000000000..a6b4d040304d74
--- /dev/null
+++ b/deps/npm/man/man1/npm-query.1
@@ -0,0 +1,240 @@
+.TH "NPM\-QUERY" "1" "August 2022" "" ""
+.SH "NAME"
+\fBnpm-query\fR \- Dependency selector query
+.SS Synopsis
+.P
+.RS 2
+.nf
+npm query 
+.fi
+.RE
+.SS Description
+.P
+The \fBnpm query\fP command allows for usage of css selectors in order to retrieve
+an array of dependency objects\.
+.SS Piping npm query to other commands
+.P
+.RS 2
+.nf
+# find all dependencies with postinstall scripts & uninstall them
+npm query ":attr(scripts, [postinstall])" | jq 'map(\.name)|join("\\n")' \-r | xargs \-I {} npm uninstall {}
+
+# find all git dependencies & explain who requires them
+npm query ":type(git)" | jq 'map(\.name)' | xargs \-I {} npm why {}
+.fi
+.RE
+.SS Extended Use Cases & Queries
+.P
+.RS 2
+.nf
+// all deps
+*
+
+// all direct deps
+:root > *
+
+// direct production deps
+:root > \.prod
+
+// direct development deps
+:root > \.dev
+
+// any peer dep of a direct deps
+:root > * > \.peer
+
+// any workspace dep
+\|\.workspace
+
+// all workspaces that depend on another workspace
+\|\.workspace > \.workspace
+
+// all workspaces that have peer deps
+\|\.workspace:has(\.peer)
+
+// any dep named "lodash"
+// equivalent to [name="lodash"]
+#lodash
+
+// any deps named "lodash" & within semver range ^"1\.2\.3"
+#lodash@^1\.2\.3
+// equivalent to\.\.\.
+[name="lodash"]:semver(^1\.2\.3)
+
+// get the hoisted node for a given semver range
+#lodash@^1\.2\.3:not(:deduped)
+
+// querying deps with a specific version
+#lodash@2\.1\.5
+// equivalent to\.\.\.
+[name="lodash"][version="2\.1\.5"]
+
+// has any deps
+:has(*)
+
+// deps with no other deps (ie\. "leaf" nodes)
+:empty
+
+// manually querying git dependencies
+[repository^=github:],
+[repository^=git:],
+[repository^=https://github\.com],
+[repository^=http://github\.com],
+[repository^=https://github\.com],
+[repository^=+git:\.\.\.]
+
+// querying for all git dependencies
+:type(git)
+
+// get production dependencies that aren't also dev deps
+\|\.prod:not(\.dev)
+
+// get dependencies with specific licenses
+[license=MIT], [license=ISC]
+
+// find all packages that have @ruyadorno as a contributor
+:attr(contributors, [email=ruyadorno@github\.com])
+.fi
+.RE
+.SS Example Response Output
+.RS 0
+.IP \(bu 2
+an array of dependency objects is returned which can contain multiple copies of the same package which may or may not have been linked or deduped
+
+.RE
+.P
+.RS 2
+.nf
+[
+  {
+    "name": "",
+    "version": "",
+    "description": "",
+    "homepage": "",
+    "bugs": {},
+    "author": {},
+    "license": {},
+    "funding": {},
+    "files": [],
+    "main": "",
+    "browser": "",
+    "bin": {},
+    "man": [],
+    "directories": {},
+    "repository": {},
+    "scripts": {},
+    "config": {},
+    "dependencies": {},
+    "devDependencies": {},
+    "optionalDependencies": {},
+    "bundledDependencies": {},
+    "peerDependencies": {},
+    "peerDependenciesMeta": {},
+    "engines": {},
+    "os": [],
+    "cpu": [],
+    "workspaces": {},
+    "keywords": [],
+    \.\.\.
+  },
+  \.\.\.
+.fi
+.RE
+.SS Configuration
+.SS \fBglobal\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Operates in "global" mode, so that packages are installed into the \fBprefix\fP
+folder instead of the current working directory\. See
+npm help folders for more on the differences in behavior\.
+.RS 0
+.IP \(bu 2
+packages are installed into the \fB{prefix}/lib/node_modules\fP folder, instead
+of the current working directory\.
+.IP \(bu 2
+bin files are linked to \fB{prefix}/bin\fP
+.IP \(bu 2
+man pages are linked to \fB{prefix}/share/man\fP
+
+.RE
+.SS \fBworkspace\fP
+.RS 0
+.IP \(bu 2
+Default:
+.IP \(bu 2
+Type: String (can be set multiple times)
+
+.RE
+.P
+Enable running a command in the context of the configured workspaces of the
+current project while filtering by running only the workspaces defined by
+this configuration option\.
+.P
+Valid values for the \fBworkspace\fP config are either:
+.RS 0
+.IP \(bu 2
+Workspace names
+.IP \(bu 2
+Path to a workspace directory
+.IP \(bu 2
+Path to a parent workspace directory (will result in selecting all
+workspaces within that folder)
+
+.RE
+.P
+When set for the \fBnpm init\fP command, this may be set to the folder of a
+workspace which does not yet exist, to create the folder and set it up as a
+brand new workspace within the project\.
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBworkspaces\fP
+.RS 0
+.IP \(bu 2
+Default: null
+.IP \(bu 2
+Type: null or Boolean
+
+.RE
+.P
+Set to true to run the command in the context of \fBall\fR configured
+workspaces\.
+.P
+Explicitly setting this to false will cause commands like \fBinstall\fP to
+ignore workspaces altogether\. When not set explicitly:
+.RS 0
+.IP \(bu 2
+Commands that operate on the \fBnode_modules\fP tree (install, update, etc\.)
+will link workspaces into the \fBnode_modules\fP folder\. \- Commands that do
+other things (test, exec, publish, etc\.) will operate on the root project,
+\fIunless\fR one or more workspaces are specified in the \fBworkspace\fP config\.
+
+.RE
+.P
+This value is not exported to the environment for child processes\.
+.SS \fBinclude\-workspace\-root\fP
+.RS 0
+.IP \(bu 2
+Default: false
+.IP \(bu 2
+Type: Boolean
+
+.RE
+.P
+Include the workspace root when workspaces are enabled for a command\.
+.P
+When false, specifying individual workspaces via the \fBworkspace\fP config, or
+all workspaces via the \fBworkspaces\fP flag, will cause npm to operate only on
+the specified workspaces, and not on the root project\.
+.P
+This value is not exported to the environment for child processes\.
+.SH See Also
+.RS 0
+.IP \(bu 2
+npm help dependency selector
+
+.RE
diff --git a/deps/npm/man/man1/npm-rebuild.1 b/deps/npm/man/man1/npm-rebuild.1
index a59bfb49bf9c17..96461f98494f03 100644
--- a/deps/npm/man/man1/npm-rebuild.1
+++ b/deps/npm/man/man1/npm-rebuild.1
@@ -1,4 +1,4 @@
-.TH "NPM\-REBUILD" "1" "July 2022" "" ""
+.TH "NPM\-REBUILD" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-rebuild\fR \- Rebuild a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-repo.1 b/deps/npm/man/man1/npm-repo.1
index a56585cfe18840..f473b406cb7c52 100644
--- a/deps/npm/man/man1/npm-repo.1
+++ b/deps/npm/man/man1/npm-repo.1
@@ -1,4 +1,4 @@
-.TH "NPM\-REPO" "1" "July 2022" "" ""
+.TH "NPM\-REPO" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-repo\fR \- Open package repository page in the browser
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-restart.1 b/deps/npm/man/man1/npm-restart.1
index 99da68ba9ae4e5..1dde3f5538ff2e 100644
--- a/deps/npm/man/man1/npm-restart.1
+++ b/deps/npm/man/man1/npm-restart.1
@@ -1,4 +1,4 @@
-.TH "NPM\-RESTART" "1" "July 2022" "" ""
+.TH "NPM\-RESTART" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-restart\fR \- Restart a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-root.1 b/deps/npm/man/man1/npm-root.1
index 093aacaf1d78c0..1ef2690ea51651 100644
--- a/deps/npm/man/man1/npm-root.1
+++ b/deps/npm/man/man1/npm-root.1
@@ -1,4 +1,4 @@
-.TH "NPM\-ROOT" "1" "July 2022" "" ""
+.TH "NPM\-ROOT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-root\fR \- Display npm root
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-run-script.1 b/deps/npm/man/man1/npm-run-script.1
index 6c056ca9f6be3c..8034b90bc295bb 100644
--- a/deps/npm/man/man1/npm-run-script.1
+++ b/deps/npm/man/man1/npm-run-script.1
@@ -1,4 +1,4 @@
-.TH "NPM\-RUN\-SCRIPT" "1" "July 2022" "" ""
+.TH "NPM\-RUN\-SCRIPT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-run-script\fR \- Run arbitrary package scripts
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-search.1 b/deps/npm/man/man1/npm-search.1
index 7ecd371aa95962..2bc4a90cd589e4 100644
--- a/deps/npm/man/man1/npm-search.1
+++ b/deps/npm/man/man1/npm-search.1
@@ -1,4 +1,4 @@
-.TH "NPM\-SEARCH" "1" "July 2022" "" ""
+.TH "NPM\-SEARCH" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-search\fR \- Search for packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-set-script.1 b/deps/npm/man/man1/npm-set-script.1
index 66197695fa93a1..10e80ceebb0643 100644
--- a/deps/npm/man/man1/npm-set-script.1
+++ b/deps/npm/man/man1/npm-set-script.1
@@ -1,4 +1,4 @@
-.TH "NPM\-SET\-SCRIPT" "1" "July 2022" "" ""
+.TH "NPM\-SET\-SCRIPT" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-set-script\fR \- Set tasks in the scripts section of package\.json
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-shrinkwrap.1 b/deps/npm/man/man1/npm-shrinkwrap.1
index 702c2d18a3ba28..125f961da14381 100644
--- a/deps/npm/man/man1/npm-shrinkwrap.1
+++ b/deps/npm/man/man1/npm-shrinkwrap.1
@@ -1,4 +1,4 @@
-.TH "NPM\-SHRINKWRAP" "1" "July 2022" "" ""
+.TH "NPM\-SHRINKWRAP" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-shrinkwrap\fR \- Lock down dependency versions for publication
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-star.1 b/deps/npm/man/man1/npm-star.1
index 1abbc968298f33..a588e020971096 100644
--- a/deps/npm/man/man1/npm-star.1
+++ b/deps/npm/man/man1/npm-star.1
@@ -1,4 +1,4 @@
-.TH "NPM\-STAR" "1" "July 2022" "" ""
+.TH "NPM\-STAR" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-star\fR \- Mark your favorite packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-stars.1 b/deps/npm/man/man1/npm-stars.1
index f4c52978e0ae45..d0c9be4e69db53 100644
--- a/deps/npm/man/man1/npm-stars.1
+++ b/deps/npm/man/man1/npm-stars.1
@@ -1,4 +1,4 @@
-.TH "NPM\-STARS" "1" "July 2022" "" ""
+.TH "NPM\-STARS" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-stars\fR \- View packages marked as favorites
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-start.1 b/deps/npm/man/man1/npm-start.1
index 5176b3b3dc12e1..634514c030691e 100644
--- a/deps/npm/man/man1/npm-start.1
+++ b/deps/npm/man/man1/npm-start.1
@@ -1,4 +1,4 @@
-.TH "NPM\-START" "1" "July 2022" "" ""
+.TH "NPM\-START" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-start\fR \- Start a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-stop.1 b/deps/npm/man/man1/npm-stop.1
index da3d1e3a1f0523..9d5fb0d332a382 100644
--- a/deps/npm/man/man1/npm-stop.1
+++ b/deps/npm/man/man1/npm-stop.1
@@ -1,4 +1,4 @@
-.TH "NPM\-STOP" "1" "July 2022" "" ""
+.TH "NPM\-STOP" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-stop\fR \- Stop a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-team.1 b/deps/npm/man/man1/npm-team.1
index 2b16d2db0ea322..63fa957a491d09 100644
--- a/deps/npm/man/man1/npm-team.1
+++ b/deps/npm/man/man1/npm-team.1
@@ -1,4 +1,4 @@
-.TH "NPM\-TEAM" "1" "July 2022" "" ""
+.TH "NPM\-TEAM" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-team\fR \- Manage organization teams and team memberships
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-test.1 b/deps/npm/man/man1/npm-test.1
index f67c2752d7fcd0..5467d706eeb862 100644
--- a/deps/npm/man/man1/npm-test.1
+++ b/deps/npm/man/man1/npm-test.1
@@ -1,4 +1,4 @@
-.TH "NPM\-TEST" "1" "July 2022" "" ""
+.TH "NPM\-TEST" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-test\fR \- Test a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-token.1 b/deps/npm/man/man1/npm-token.1
index f16b421f0f1852..38c8a5b2f5a5f2 100644
--- a/deps/npm/man/man1/npm-token.1
+++ b/deps/npm/man/man1/npm-token.1
@@ -1,4 +1,4 @@
-.TH "NPM\-TOKEN" "1" "July 2022" "" ""
+.TH "NPM\-TOKEN" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-token\fR \- Manage your authentication tokens
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-uninstall.1 b/deps/npm/man/man1/npm-uninstall.1
index 654a0ae681f401..eefb3e79fa170b 100644
--- a/deps/npm/man/man1/npm-uninstall.1
+++ b/deps/npm/man/man1/npm-uninstall.1
@@ -1,4 +1,4 @@
-.TH "NPM\-UNINSTALL" "1" "July 2022" "" ""
+.TH "NPM\-UNINSTALL" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-uninstall\fR \- Remove a package
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-unpublish.1 b/deps/npm/man/man1/npm-unpublish.1
index 6577e11e837765..3ecc3d6868ccce 100644
--- a/deps/npm/man/man1/npm-unpublish.1
+++ b/deps/npm/man/man1/npm-unpublish.1
@@ -1,4 +1,4 @@
-.TH "NPM\-UNPUBLISH" "1" "July 2022" "" ""
+.TH "NPM\-UNPUBLISH" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-unpublish\fR \- Remove a package from the registry
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-unstar.1 b/deps/npm/man/man1/npm-unstar.1
index 43600931c9f8df..327aed2290f107 100644
--- a/deps/npm/man/man1/npm-unstar.1
+++ b/deps/npm/man/man1/npm-unstar.1
@@ -1,4 +1,4 @@
-.TH "NPM\-UNSTAR" "1" "July 2022" "" ""
+.TH "NPM\-UNSTAR" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-unstar\fR \- Remove an item from your favorite packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-update.1 b/deps/npm/man/man1/npm-update.1
index 54bf4184fbf6f6..0c60874939aae8 100644
--- a/deps/npm/man/man1/npm-update.1
+++ b/deps/npm/man/man1/npm-update.1
@@ -1,4 +1,4 @@
-.TH "NPM\-UPDATE" "1" "July 2022" "" ""
+.TH "NPM\-UPDATE" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-update\fR \- Update packages
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-version.1 b/deps/npm/man/man1/npm-version.1
index 40c157adf971e0..40685823b70da2 100644
--- a/deps/npm/man/man1/npm-version.1
+++ b/deps/npm/man/man1/npm-version.1
@@ -1,4 +1,4 @@
-.TH "NPM\-VERSION" "1" "July 2022" "" ""
+.TH "NPM\-VERSION" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-version\fR \- Bump a package version
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-view.1 b/deps/npm/man/man1/npm-view.1
index b3d9488a9f9be2..91df44561d0957 100644
--- a/deps/npm/man/man1/npm-view.1
+++ b/deps/npm/man/man1/npm-view.1
@@ -1,4 +1,4 @@
-.TH "NPM\-VIEW" "1" "July 2022" "" ""
+.TH "NPM\-VIEW" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-view\fR \- View registry info
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm-whoami.1 b/deps/npm/man/man1/npm-whoami.1
index 27a7bbb4ce87e6..e44429ac4147dc 100644
--- a/deps/npm/man/man1/npm-whoami.1
+++ b/deps/npm/man/man1/npm-whoami.1
@@ -1,4 +1,4 @@
-.TH "NPM\-WHOAMI" "1" "July 2022" "" ""
+.TH "NPM\-WHOAMI" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-whoami\fR \- Display npm username
 .SS Synopsis
diff --git a/deps/npm/man/man1/npm.1 b/deps/npm/man/man1/npm.1
index b3bc8bb417198d..2d92f18f6fc8ac 100644
--- a/deps/npm/man/man1/npm.1
+++ b/deps/npm/man/man1/npm.1
@@ -1,10 +1,10 @@
-.TH "NPM" "1" "July 2022" "" ""
+.TH "NPM" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpm\fR \- javascript package manager
 .SS Synopsis
 .SS Version
 .P
-8\.15\.1
+8\.16\.0
 .SS Description
 .P
 npm is the package manager for the Node JavaScript platform\.  It puts
diff --git a/deps/npm/man/man1/npx.1 b/deps/npm/man/man1/npx.1
index 47eefc4dd25796..4af0ed99356eb8 100644
--- a/deps/npm/man/man1/npx.1
+++ b/deps/npm/man/man1/npx.1
@@ -1,4 +1,4 @@
-.TH "NPX" "1" "July 2022" "" ""
+.TH "NPX" "1" "August 2022" "" ""
 .SH "NAME"
 \fBnpx\fR \- Run a command from a local or remote npm package
 .SS Synopsis
diff --git a/deps/npm/man/man5/folders.5 b/deps/npm/man/man5/folders.5
index 924ee0fa243d1c..b6efd3c880333d 100644
--- a/deps/npm/man/man5/folders.5
+++ b/deps/npm/man/man5/folders.5
@@ -1,4 +1,4 @@
-.TH "FOLDERS" "5" "July 2022" "" ""
+.TH "FOLDERS" "5" "August 2022" "" ""
 .SH "NAME"
 \fBfolders\fR \- Folder Structures Used by npm
 .SS Description
diff --git a/deps/npm/man/man5/install.5 b/deps/npm/man/man5/install.5
index 7d8c5693027cc2..b006ed81d89f49 100644
--- a/deps/npm/man/man5/install.5
+++ b/deps/npm/man/man5/install.5
@@ -1,4 +1,4 @@
-.TH "INSTALL" "5" "July 2022" "" ""
+.TH "INSTALL" "5" "August 2022" "" ""
 .SH "NAME"
 \fBinstall\fR \- Download and install node and npm
 .SS Description
diff --git a/deps/npm/man/man5/npm-shrinkwrap-json.5 b/deps/npm/man/man5/npm-shrinkwrap-json.5
index 931d1ae49f01c3..fa88d6a447b82c 100644
--- a/deps/npm/man/man5/npm-shrinkwrap-json.5
+++ b/deps/npm/man/man5/npm-shrinkwrap-json.5
@@ -1,4 +1,4 @@
-.TH "NPM\-SHRINKWRAP\.JSON" "5" "July 2022" "" ""
+.TH "NPM\-SHRINKWRAP\.JSON" "5" "August 2022" "" ""
 .SH "NAME"
 \fBnpm-shrinkwrap.json\fR \- A publishable lockfile
 .SS Description
diff --git a/deps/npm/man/man5/npmrc.5 b/deps/npm/man/man5/npmrc.5
index a4d2ee239f8543..7f506bf225839f 100644
--- a/deps/npm/man/man5/npmrc.5
+++ b/deps/npm/man/man5/npmrc.5
@@ -1,4 +1,4 @@
-.TH "NPMRC" "5" "July 2022" "" ""
+.TH "NPMRC" "5" "August 2022" "" ""
 .SH "NAME"
 \fBnpmrc\fR \- The npm config files
 .SS Description
diff --git a/deps/npm/man/man5/package-json.5 b/deps/npm/man/man5/package-json.5
index ae522f1de8294a..d4f9723112b166 100644
--- a/deps/npm/man/man5/package-json.5
+++ b/deps/npm/man/man5/package-json.5
@@ -1,4 +1,4 @@
-.TH "PACKAGE\.JSON" "5" "July 2022" "" ""
+.TH "PACKAGE\.JSON" "5" "August 2022" "" ""
 .SH "NAME"
 \fBpackage.json\fR \- Specifics of npm's package\.json handling
 .SS Description
diff --git a/deps/npm/man/man5/package-lock-json.5 b/deps/npm/man/man5/package-lock-json.5
index ad4fa609649f72..5dc67f04d60f81 100644
--- a/deps/npm/man/man5/package-lock-json.5
+++ b/deps/npm/man/man5/package-lock-json.5
@@ -1,4 +1,4 @@
-.TH "PACKAGE\-LOCK\.JSON" "5" "July 2022" "" ""
+.TH "PACKAGE\-LOCK\.JSON" "5" "August 2022" "" ""
 .SH "NAME"
 \fBpackage-lock.json\fR \- A manifestation of the manifest
 .SS Description
diff --git a/deps/npm/man/man7/config.7 b/deps/npm/man/man7/config.7
index bb0c65e9851255..ba185464ed05be 100644
--- a/deps/npm/man/man7/config.7
+++ b/deps/npm/man/man7/config.7
@@ -1,4 +1,4 @@
-.TH "CONFIG" "7" "July 2022" "" ""
+.TH "CONFIG" "7" "August 2022" "" ""
 .SH "NAME"
 \fBconfig\fR \- More than you probably want to know about npm configuration
 .SS Description
@@ -1315,7 +1315,7 @@ Type: String (can be set multiple times)
 
 .RE
 .P
-The package to install for npm help \fBexec\fP
+The package or packages to install for npm help \fBexec\fP
 .SS \fBpackage\-lock\fP
 .RS 0
 .IP \(bu 2
@@ -1460,6 +1460,24 @@ Type: URL
 .RE
 .P
 The base URL of the npm registry\.
+.SS \fBreplace\-registry\-host\fP
+.RS 0
+.IP \(bu 2
+Default: "npmjs"
+.IP \(bu 2
+Type: "npmjs", "never", "always", or String
+
+.RE
+.P
+Defines behavior for replacing the registry host in a lockfile with the
+configured registry\.
+.P
+The default behavior is to replace package dist URLs from the default
+registry (https://registry\.npmjs\.org) to the configured registry\. If set to
+"never", then use the registry value\. If set to "always", then replace the
+registry host with the configured host every time\.
+.P
+You may also specify a bare hostname (e\.g\., "registry\.npmjs\.org")\.
 .SS \fBsave\fP
 .RS 0
 .IP \(bu 2
diff --git a/deps/npm/man/man7/dependency-selectors.7 b/deps/npm/man/man7/dependency-selectors.7
new file mode 100644
index 00000000000000..ae6f58bd1b30fe
--- /dev/null
+++ b/deps/npm/man/man7/dependency-selectors.7
@@ -0,0 +1,245 @@
+.TH "DEPENDENCY" "" "August 2022" "" ""
+.SH "NAME"
+\fBDependency\fR
+.SS Description
+.P
+The npm help \fBquery\fP commmand exposes a new dependency selector syntax (informed by & respecting many aspects of the CSS Selectors 4 Spec \fIhttps://dev\.w3\.org/csswg/selectors4/#relational)\fR which:
+.RS 0
+.IP \(bu 2
+Standardizes the shape of, & querying of, dependency graphs with a robust object model, metadata & selector syntax
+.IP \(bu 2
+Leverages existing, known language syntax & operators from CSS to make disparate package information broadly accessible
+.IP \(bu 2
+Unlocks the ability to answer complex, multi\-faceted questions about dependencies, their relationships & associative metadata
+.IP \(bu 2
+Consolidates redundant logic of similar query commands in \fBnpm\fP (ex\. \fBnpm fund\fP, \fBnpm ls\fP, \fBnpm outdated\fP, \fBnpm audit\fP \.\.\.)
+
+.RE
+.SS Dependency Selector Syntax \fBv1\.0\.0\fP
+.SS Overview:
+.RS 0
+.IP \(bu 2
+there is no "type" or "tag" selectors (ex\. \fBdiv, h1, a\fP) as a dependency/target is the only type of \fBNode\fP that can be queried
+.IP \(bu 2
+the term "dependencies" is in reference to any \fBNode\fP found in a \fBtree\fP returned by \fBArborist\fP
+
+.RE
+.SS Combinators
+.RS 0
+.IP \(bu 2
+\fB>\fP direct descendant/child
+.IP \(bu 2
+\fB \fP any descendant/child
+.IP \(bu 2
+\fB~\fP sibling
+
+.RE
+.SS Selectors
+.RS 0
+.IP \(bu 2
+\fB*\fP universal selector
+.IP \(bu 2
+\fB#\fP dependency selector (equivalent to \fB[name="\.\.\."]\fP)
+.IP \(bu 2
+\fB#@\fP (equivalent to \fB[name=]:semver()\fP)
+.IP \(bu 2
+\fB,\fP selector list delimiter
+.IP \(bu 2
+\fB\|\.\fP dependency type selector
+.IP \(bu 2
+\fB:\fP pseudo selector
+
+.RE
+.SS Dependency Type Selectors
+.RS 0
+.IP \(bu 2
+\fB\|\.prod\fP dependency found in the \fBdependencies\fP section of \fBpackage\.json\fP, or is a child of said dependency
+.IP \(bu 2
+\fB\|\.dev\fP dependency found in the \fBdevDependencies\fP section of \fBpackage\.json\fP, or is a child of said dependency
+.IP \(bu 2
+\fB\|\.optional\fP dependency found in the \fBoptionalDependencies\fP section of \fBpackage\.json\fP, or has \fB"optional": true\fP set in its entry in the \fBpeerDependenciesMeta\fP section of \fBpackage\.json\fP, or a child of said dependency
+.IP \(bu 2
+\fB\|\.peer\fP dependency found in the \fBpeerDependencies\fP section of \fBpackage\.json\fP
+.IP \(bu 2
+\fB\|\.workspace\fP dependency found in the \fBworkspaces\fP \fIhttps://docs\.npmjs\.com/cli/v8/using\-npm/workspaces\fR section of \fBpackage\.json\fP
+.IP \(bu 2
+\fB\|\.bundled\fP dependency found in the \fBbundleDependencies\fP section of \fBpackage\.json\fP, or is a child of said dependency
+
+.RE
+.SS Pseudo Selectors
+.RS 0
+.IP \(bu 2
+\fB:not()\fP \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/:not\fR
+.IP \(bu 2
+\fB:has()\fP \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/:has\fR
+.IP \(bu 2
+\fB:is()\fP \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/:is\fR
+.IP \(bu 2
+\fB:root\fP \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/:root\fR matches the root node/dependency
+.IP \(bu 2
+\fB:scope\fP \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/:scope\fR matches node/dependency it was queried against
+.IP \(bu 2
+\fB:empty\fP \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/:empty\fR when a dependency has no dependencies
+.IP \(bu 2
+\fB:private\fP \fIhttps://docs\.npmjs\.com/cli/v8/configuring\-npm/package\-json#private\fR when a dependency is private
+.IP \(bu 2
+\fB:link\fP when a dependency is linked (for instance, workspaces or packages manually \fBlinked\fP \fIhttps://docs\.npmjs\.com/cli/v8/commands/npm\-link\fR
+.IP \(bu 2
+\fB:deduped\fP when a dependency has been deduped (note that this does \fInot\fR always mean the dependency has been hoisted to the root of node_modules)
+.IP \(bu 2
+\fB:override\fP when a dependency is an override (not implemented yet)
+.IP \(bu 2
+\fB:extraneous\fP when a dependency exists but is not defined as a dependency of any node
+.IP \(bu 2
+\fB:invalid\fP when a dependency version is out of its ancestors specified range
+.IP \(bu 2
+\fB:missing\fP when a dependency is not found on disk
+.IP \(bu 2
+\fB:semver()\fP matching a valid \fBnode\-semver\fP \fIhttps://github\.com/npm/node\-semver\fR spec
+.IP \(bu 2
+\fB:path()\fP glob \fIhttps://www\.npmjs\.com/package/glob\fR matching based on dependencies path relative to the project
+.IP \(bu 2
+\fB:type()\fP based on currently recognized types \fIhttps://github\.com/npm/npm\-package\-arg#result\-object\fR
+
+.RE
+.SS Attribute Selectors \fIhttps://developer\.mozilla\.org/en\-US/docs/Web/CSS/Attribute_selectors\fR
+.P
+The attribute selector evaluates the key/value pairs in \fBpackage\.json\fP if they are \fBString\fPs\.
+.RS 0
+.IP \(bu 2
+\fB[]\fP attribute selector (ie\. existence of attribute)
+.IP \(bu 2
+\fB[attribute=value]\fP attribute value is equivalant\.\.\.
+.IP \(bu 2
+\fB[attribute~=value]\fP attribute value contains word\.\.\.
+.IP \(bu 2
+\fB[attribute*=value]\fP attribute value contains string\.\.\.
+.IP \(bu 2
+\fB[attribute|=value]\fP attribute value is equal to or starts with\.\.\.
+.IP \(bu 2
+\fB[attribute^=value]\fP attribute value starts with\.\.\.
+.IP \(bu 2
+\fB[attribute$=value]\fP attribute value ends with\.\.\.
+
+.RE
+.SS \fBArray\fP & \fBObject\fP Attribute Selectors
+.P
+The generic \fB:attr()\fP pseudo selector standardizes a pattern which can be used for attribute selection of \fBObject\fPs, \fBArray\fPs or \fBArrays\fP of \fBObject\fPs accessible via \fBArborist\fP\|'s \fBNode\.package\fP metadata\. This allows for iterative attribute selection beyond top\-level \fBString\fP evaluation\. The last argument passed to \fB:attr()\fP must be an \fBattribute\fP selector or a nested \fB:attr()\fP\|\. See examples below:
+.SS \fBObjects\fP
+.P
+.RS 2
+.nf
+/* return dependencies that have a `scripts\.test` containing `"tap"` */
+*:attr(scripts, [test~=tap])
+.fi
+.RE
+.SS Nested \fBObjects\fP
+.P
+Nested objects are expressed as sequential arguments to \fB:attr()\fP\|\.
+.P
+.RS 2
+.nf
+/* return dependencies that have a testling config for opera browsers */
+*:attr(testling, browsers, [~=opera])
+.fi
+.RE
+.SS \fBArrays\fP
+.P
+\fBArray\fPs specifically uses a special/reserved \fB\|\.\fP character in place of a typical attribute name\. \fBArrays\fP also support exact \fBvalue\fP matching when a \fBString\fP is passed to the selector\.
+.SS Example of an \fBArray\fP Attribute Selection:
+.P
+.RS 2
+.nf
+/* removes the distinction between properties & arrays */
+/* ie\. we'd have to check the property & iterate to match selection */
+*:attr([keywords^=react])
+*:attr(contributors, :attr([name~=Jordan]))
+.fi
+.RE
+.SS Example of an \fBArray\fP matching directly to a value:
+.P
+.RS 2
+.nf
+/* return dependencies that have the exact keyword "react" */
+/* this is equivalent to `*:keywords([value="react"])` */
+*:attr([keywords=react])
+.fi
+.RE
+.SS Example of an \fBArray\fP of \fBObject\fPs:
+.P
+.RS 2
+.nf
+/* returns */
+*:attr(contributors, [email=ruyadorno@github\.com])
+.fi
+.RE
+.SS Groups
+.P
+Dependency groups are defined by the package relationships to their ancestors (ie\. the dependency types that are defined in \fBpackage\.json\fP)\. This approach is user\-centric as the ecosystem has been taught to think about dependencies in these groups first\-and\-foremost\. Dependencies are allowed to be included in multiple groups (ex\. a \fBprod\fP dependency may also be a \fBdev\fP dependency (in that it's also required by another \fBdev\fP dependency) & may also be \fBbundled\fP \- a selector for that type of dependency would look like: \fB*\.prod\.dev\.bundled\fP)\.
+.RS 0
+.IP \(bu 2
+\fB\|\.prod\fP
+.IP \(bu 2
+\fB\|\.dev\fP
+.IP \(bu 2
+\fB\|\.optional\fP
+.IP \(bu 2
+\fB\|\.peer\fP
+.IP \(bu 2
+\fB\|\.bundled\fP
+.IP \(bu 2
+\fB\|\.workspace\fP
+
+.RE
+.P
+Please note that currently \fBworkspace\fP deps are always \fBprod\fP dependencies\.  Additionally the \fB\|\.root\fP dependency is also considered a \fBprod\fP dependency\.
+.SS Programmatic Usage
+.RS 0
+.IP \(bu 2
+\fBArborist\fP\|'s \fBNode\fP Class has a \fB\|\.querySelectorAll()\fP method
+.RS
+.IP \(bu 2
+this method will return a filtered, flattened dependency Arborist \fBNode\fP list based on a valid query selector
+
+.RE
+
+.RE
+.P
+.RS 2
+.nf
+const Arborist = require('@npmcli/arborist')
+const arb = new Arborist({})
+.fi
+.RE
+.P
+.RS 2
+.nf
+// root\-level
+arb\.loadActual((tree) => {
+  // query all production dependencies
+  const results = await tree\.querySelectorAll('\.prod')
+  console\.log(results)
+})
+.fi
+.RE
+.P
+.RS 2
+.nf
+// iterative
+arb\.loadActual((tree) => {
+  // query for the deduped version of react
+  const results = await tree\.querySelectorAll('#react:not(:deduped)')
+  // query the deduped react for git deps
+  const deps = await results[0]\.querySelectorAll(':type(git)')
+  console\.log(deps)
+})
+.fi
+.RE
+.SH See Also
+.RS 0
+.IP \(bu 2
+npm help query
+.IP \(bu 2
+[@npmcli/arborist](https://npm\.im/@npmcli/arborist]
+
+.RE
diff --git a/deps/npm/man/man7/developers.7 b/deps/npm/man/man7/developers.7
index 595fc387ca48c5..171decac45d67f 100644
--- a/deps/npm/man/man7/developers.7
+++ b/deps/npm/man/man7/developers.7
@@ -1,4 +1,4 @@
-.TH "DEVELOPERS" "7" "July 2022" "" ""
+.TH "DEVELOPERS" "7" "August 2022" "" ""
 .SH "NAME"
 \fBdevelopers\fR \- Developer Guide
 .SS Description
diff --git a/deps/npm/man/man7/logging.7 b/deps/npm/man/man7/logging.7
index 9f637cff885945..b2aa408db5e682 100644
--- a/deps/npm/man/man7/logging.7
+++ b/deps/npm/man/man7/logging.7
@@ -1,4 +1,4 @@
-.TH "LOGGING" "7" "July 2022" "" ""
+.TH "LOGGING" "7" "August 2022" "" ""
 .SH "NAME"
 \fBLogging\fR \- Why, What & How We Log
 .SS Description
diff --git a/deps/npm/man/man7/orgs.7 b/deps/npm/man/man7/orgs.7
index cb718d7476aa8a..a5e2f41a07d8c7 100644
--- a/deps/npm/man/man7/orgs.7
+++ b/deps/npm/man/man7/orgs.7
@@ -1,4 +1,4 @@
-.TH "ORGS" "7" "July 2022" "" ""
+.TH "ORGS" "7" "August 2022" "" ""
 .SH "NAME"
 \fBorgs\fR \- Working with Teams & Orgs
 .SS Description
diff --git a/deps/npm/man/man7/package-spec.7 b/deps/npm/man/man7/package-spec.7
index 01da091d16b6f0..c728cc523b2fa2 100644
--- a/deps/npm/man/man7/package-spec.7
+++ b/deps/npm/man/man7/package-spec.7
@@ -1,4 +1,4 @@
-.TH "PACKAGE\-SPEC" "7" "July 2022" "" ""
+.TH "PACKAGE\-SPEC" "7" "August 2022" "" ""
 .SH "NAME"
 \fBpackage-spec\fR \- Package name specifier
 .SS Description
diff --git a/deps/npm/man/man7/registry.7 b/deps/npm/man/man7/registry.7
index 0afd375ae74660..6afd6295c665b1 100644
--- a/deps/npm/man/man7/registry.7
+++ b/deps/npm/man/man7/registry.7
@@ -1,4 +1,4 @@
-.TH "REGISTRY" "7" "July 2022" "" ""
+.TH "REGISTRY" "7" "August 2022" "" ""
 .SH "NAME"
 \fBregistry\fR \- The JavaScript Package Registry
 .SS Description
diff --git a/deps/npm/man/man7/removal.7 b/deps/npm/man/man7/removal.7
index e30f3afbd7889d..8493d9b82b199b 100644
--- a/deps/npm/man/man7/removal.7
+++ b/deps/npm/man/man7/removal.7
@@ -1,4 +1,4 @@
-.TH "REMOVAL" "7" "July 2022" "" ""
+.TH "REMOVAL" "7" "August 2022" "" ""
 .SH "NAME"
 \fBremoval\fR \- Cleaning the Slate
 .SS Synopsis
diff --git a/deps/npm/man/man7/scope.7 b/deps/npm/man/man7/scope.7
index 825b9298f063c7..cd4690e240ba1a 100644
--- a/deps/npm/man/man7/scope.7
+++ b/deps/npm/man/man7/scope.7
@@ -1,4 +1,4 @@
-.TH "SCOPE" "7" "July 2022" "" ""
+.TH "SCOPE" "7" "August 2022" "" ""
 .SH "NAME"
 \fBscope\fR \- Scoped packages
 .SS Description
diff --git a/deps/npm/man/man7/scripts.7 b/deps/npm/man/man7/scripts.7
index 87a6d72492cff3..e5e3acaeff872a 100644
--- a/deps/npm/man/man7/scripts.7
+++ b/deps/npm/man/man7/scripts.7
@@ -1,4 +1,4 @@
-.TH "SCRIPTS" "7" "July 2022" "" ""
+.TH "SCRIPTS" "7" "August 2022" "" ""
 .SH "NAME"
 \fBscripts\fR \- How npm handles the "scripts" field
 .SS Description
diff --git a/deps/npm/man/man7/workspaces.7 b/deps/npm/man/man7/workspaces.7
index 6575130ec7f759..d567ef197877c4 100644
--- a/deps/npm/man/man7/workspaces.7
+++ b/deps/npm/man/man7/workspaces.7
@@ -1,4 +1,4 @@
-.TH "WORKSPACES" "7" "July 2022" "" ""
+.TH "WORKSPACES" "7" "August 2022" "" ""
 .SH "NAME"
 \fBworkspaces\fR \- Working with workspaces
 .SS Description
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js
index 0e98ed6fc533c1..945bae56b63de4 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js
@@ -1076,9 +1076,8 @@ This is a one-time fix-up, please be patient...
           // if it fails at this point, though, dont' worry because it
           // may well be an optional dep that has gone missing.  it'll
           // fail later anyway.
-          const from = fromPath(placed)
           promises.push(...this[_problemEdges](placed).map(e =>
-            this[_fetchManifest](npa.resolve(e.name, e.spec, from))
+            this[_fetchManifest](npa.resolve(e.name, e.spec, fromPath(placed, e)))
               .catch(er => null)))
         },
       })
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/index.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/index.js
index cb6ef1e0c2ccb9..9564f7648f92cf 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/index.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/index.js
@@ -74,8 +74,12 @@ class Arborist extends Base {
       cache: options.cache || `${homedir()}/.npm/_cacache`,
       packumentCache: options.packumentCache || new Map(),
       workspacesEnabled: options.workspacesEnabled !== false,
+      replaceRegistryHost: options.replaceRegistryHost,
       lockfileVersion: lockfileVersion(options.lockfileVersion),
     }
+    this.replaceRegistryHost = this.options.replaceRegistryHost =
+      (!this.options.replaceRegistryHost || this.options.replaceRegistryHost === 'npmjs') ?
+        'registry.npmjs.org' : this.options.replaceRegistryHost
 
     this[_workspacesEnabled] = this.options.workspacesEnabled
 
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js
index 4f1061e4abe500..7663a3a342cc6d 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js
@@ -712,13 +712,19 @@ module.exports = cls => class Reifier extends cls {
   [_registryResolved] (resolved) {
     // the default registry url is a magic value meaning "the currently
     // configured registry".
+    // `resolved` must never be falsey.
     //
     // XXX: use a magic string that isn't also a valid value, like
     // ${REGISTRY} or something.  This has to be threaded through the
     // Shrinkwrap and Node classes carefully, so for now, just treat
     // the default reg as the magical animal that it has been.
-    return resolved && resolved
-      .replace(/^https?:\/\/registry\.npmjs\.org\//, this.registry)
+    const resolvedURL = new URL(resolved)
+    if ((this.options.replaceRegistryHost === resolvedURL.hostname)
+      || this.options.replaceRegistryHost === 'always') {
+      // this.registry always has a trailing slash
+      resolved = `${this.registry.slice(0, -1)}${resolvedURL.pathname}${resolvedURL.searchParams}`
+    }
+    return resolved
   }
 
   // bundles are *sort of* like shrinkwraps, in that the branch is defined
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/dep-valid.js b/deps/npm/node_modules/@npmcli/arborist/lib/dep-valid.js
index c69ab557ae491a..d02f397fcdf17e 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/dep-valid.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/dep-valid.js
@@ -20,7 +20,7 @@ const depValid = (child, requested, requestor) => {
       // file: deps that depend on other files/dirs, we must resolve the
       // location based on the *requestor* file/dir, not where it ends up.
       // '' is equivalent to '*'
-      requested = npa.resolve(child.name, requested || '*', fromPath(requestor))
+      requested = npa.resolve(child.name, requested || '*', fromPath(requestor, requestor.edgesOut.get(child.name)))
     } catch (er) {
       // Not invalid because the child doesn't match, but because
       // the spec itself is not supported.  Nothing would match,
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/edge.js b/deps/npm/node_modules/@npmcli/arborist/lib/edge.js
index a04404f2265633..5b248b91662085 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/edge.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/edge.js
@@ -169,7 +169,11 @@ class Edge {
     if (this.overrides && this.overrides.value && this.overrides.name === this.name) {
       if (this.overrides.value.startsWith('$')) {
         const ref = this.overrides.value.slice(1)
-        const pkg = this.from.root.package
+        // we may be a virtual root, if we are we want to resolve reference overrides
+        // from the real root, not the virtual one
+        const pkg = this.from.sourceReference
+          ? this.from.sourceReference.root.package
+          : this.from.root.package
         const overrideSpec = (pkg.devDependencies && pkg.devDependencies[ref]) ||
             (pkg.optionalDependencies && pkg.optionalDependencies[ref]) ||
             (pkg.dependencies && pkg.dependencies[ref]) ||
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/from-path.js b/deps/npm/node_modules/@npmcli/arborist/lib/from-path.js
index 2a3617844c0016..1006f73af3d073 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/from-path.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/from-path.js
@@ -6,8 +6,19 @@
 const { dirname } = require('path')
 const npa = require('npm-package-arg')
 
-const fromPath = (node, spec) =>
-  spec && spec.type === 'file' ? dirname(spec.fetchSpec)
-  : node.realpath
+const fromPath = (node, spec, edge) => {
+  if (edge && edge.overrides && edge.overrides.name === edge.name && edge.overrides.value) {
+    // fromPath could be called with a node that has a virtual root, if that happens
+    // we want to make sure we get the real root node when overrides are in use. this
+    // is to allow things like overriding a dependency with a tarball file that's a
+    // relative path from the project root
+    return node.sourceReference
+      ? node.sourceReference.root.realpath
+      : node.root.realpath
+  }
 
-module.exports = node => fromPath(node, node.resolved && npa(node.resolved))
+  return spec && spec.type === 'file' ? dirname(spec.fetchSpec)
+    : node.realpath
+}
+
+module.exports = (node, edge) => fromPath(node, node.resolved && npa(node.resolved), edge)
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/node.js b/deps/npm/node_modules/@npmcli/arborist/lib/node.js
index 66d46d746abf3e..be973565750a1d 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/node.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/node.js
@@ -69,6 +69,8 @@ const consistentResolve = require('./consistent-resolve.js')
 const printableTree = require('./printable.js')
 const CaseInsensitiveMap = require('./case-insensitive-map.js')
 
+const querySelectorAll = require('./query-selector-all.js')
+
 class Node {
   constructor (options) {
     // NB: path can be null if it's a link target
@@ -1446,6 +1448,12 @@ class Node {
     return base === name && basename(nm) === 'node_modules' ? dir : false
   }
 
+  // maybe accept both string value or array of strings
+  // seems to be what dom API does
+  querySelectorAll (query) {
+    return querySelectorAll(this, query)
+  }
+
   toJSON () {
     return printableTree(this)
   }
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/query-selector-all.js b/deps/npm/node_modules/@npmcli/arborist/lib/query-selector-all.js
new file mode 100644
index 00000000000000..6c540dea3c872e
--- /dev/null
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/query-selector-all.js
@@ -0,0 +1,561 @@
+'use strict'
+
+const { resolve } = require('path')
+const { parser, arrayDelimiter } = require('@npmcli/query')
+const localeCompare = require('@isaacs/string-locale-compare')('en')
+const npa = require('npm-package-arg')
+const minimatch = require('minimatch')
+const semver = require('semver')
+
+// handle results for parsed query asts, results are stored in a map that has a
+// key that points to each ast selector node and stores the resulting array of
+// arborist nodes as its value, that is essential to how we handle multiple
+// query selectors, e.g: `#a, #b, #c` <- 3 diff ast selector nodes
+class Results {
+  #currentAstSelector
+  #initialItems
+  #inventory
+  #pendingCombinator
+  #results = new Map()
+  #targetNode
+
+  constructor (opts) {
+    this.#currentAstSelector = opts.rootAstNode.nodes[0]
+    this.#inventory = opts.inventory
+    this.#initialItems = opts.initialItems
+    this.#targetNode = opts.targetNode
+
+    this.currentResults = this.#initialItems
+
+    // reset by rootAstNode walker
+    this.currentAstNode = opts.rootAstNode
+  }
+
+  get currentResults () {
+    return this.#results.get(this.#currentAstSelector)
+  }
+
+  set currentResults (value) {
+    this.#results.set(this.#currentAstSelector, value)
+  }
+
+  // retrieves the initial items to which start the filtering / matching
+  // for most of the different types of recognized ast nodes, e.g: class (aka
+  // depType), id, *, etc in different contexts we need to start with the
+  // current list of filtered results, for example a query for `.workspace`
+  // actually means the same as `*.workspace` so we want to start with the full
+  // inventory if that's the first ast node we're reading but if it appears in
+  // the middle of a query it should respect the previous filtered results,
+  // combinators are a special case in which we always want to have the
+  // complete inventory list in order to use the left-hand side ast node as a
+  // filter combined with the element on its right-hand side
+  get initialItems () {
+    const firstParsed =
+      (this.currentAstNode.parent.nodes[0] === this.currentAstNode) &&
+      (this.currentAstNode.parent.parent.type === 'root')
+
+    if (firstParsed) {
+      return this.#initialItems
+    }
+    if (this.currentAstNode.prev().type === 'combinator') {
+      return this.#inventory
+    }
+    return this.currentResults
+  }
+
+  // combinators need information about previously filtered items along
+  // with info of the items parsed / retrieved from the selector right
+  // past the combinator, for this reason combinators are stored and
+  // only ran as the last part of each selector logic
+  processPendingCombinator (nextResults) {
+    if (this.#pendingCombinator) {
+      const res = this.#pendingCombinator(this.currentResults, nextResults)
+      this.#pendingCombinator = null
+      this.currentResults = res
+    } else {
+      this.currentResults = nextResults
+    }
+  }
+
+  // when collecting results to a root astNode, we traverse the list of child
+  // selector nodes and collect all of their resulting arborist nodes into a
+  // single/flat Set of items, this ensures we also deduplicate items
+  collect (rootAstNode) {
+    return new Set(rootAstNode.nodes.flatMap(n => this.#results.get(n)))
+  }
+
+  // selector types map to the '.type' property of the ast nodes via `${astNode.type}Type`
+  //
+  // attribute selector [name=value], etc
+  attributeType () {
+    const nextResults = this.initialItems.filter(node =>
+      attributeMatch(this.currentAstNode, node.package)
+    )
+    this.processPendingCombinator(nextResults)
+  }
+
+  // dependency type selector (i.e. .prod, .dev, etc)
+  // css calls this class, we interpret is as dependency type
+  classType () {
+    const depTypeFn = depTypes[String(this.currentAstNode)]
+    if (!depTypeFn) {
+      throw Object.assign(
+        new Error(`\`${String(this.currentAstNode)}\` is not a supported dependency type.`),
+        { code: 'EQUERYNODEPTYPE' }
+      )
+    }
+    const nextResults = depTypeFn(this.initialItems)
+    this.processPendingCombinator(nextResults)
+  }
+
+  // combinators (i.e. '>', ' ', '~')
+  combinatorType () {
+    this.#pendingCombinator = combinators[String(this.currentAstNode)]
+  }
+
+  // name selectors (i.e. #foo, #foo@1.0.0)
+  // css calls this id, we interpret it as name
+  idType () {
+    const spec = npa(this.currentAstNode.value)
+    const nextResults = this.initialItems.filter(node =>
+      (node.name === spec.name || node.package.name === spec.name) &&
+      (semver.satisfies(node.version, spec.fetchSpec) || !spec.rawSpec))
+    this.processPendingCombinator(nextResults)
+  }
+
+  // pseudo selectors (prefixed with :)
+  pseudoType () {
+    const pseudoFn = `${this.currentAstNode.value.slice(1)}Pseudo`
+    if (!this[pseudoFn]) {
+      throw Object.assign(
+        new Error(`\`${this.currentAstNode.value
+        }\` is not a supported pseudo selector.`),
+        { code: 'EQUERYNOPSEUDO' }
+      )
+    }
+    const nextResults = this[pseudoFn]()
+    this.processPendingCombinator(nextResults)
+  }
+
+  selectorType () {
+    this.#currentAstSelector = this.currentAstNode
+    // starts a new array in which resulting items
+    // can be stored for each given ast selector
+    if (!this.currentResults) {
+      this.currentResults = []
+    }
+  }
+
+  universalType () {
+    this.processPendingCombinator(this.initialItems)
+  }
+
+  // pseudo selectors map to the 'value' property of the pseudo selectors in the ast nodes
+  // via selectors via `${value.slice(1)}Pseudo`
+  attrPseudo () {
+    const { lookupProperties, attributeMatcher } = this.currentAstNode
+
+    return this.initialItems.filter(node => {
+      let objs = [node.package]
+      for (const prop of lookupProperties) {
+        // if an isArray symbol is found that means we'll need to iterate
+        // over the previous found array to basically make sure we traverse
+        // all its indexes testing for possible objects that may eventually
+        // hold more keys specified in a selector
+        if (prop === arrayDelimiter) {
+          objs = objs.flat()
+          continue
+        }
+
+        // otherwise just maps all currently found objs
+        // to the next prop from the lookup properties list,
+        // filters out any empty key lookup
+        objs = objs.flatMap(obj => obj[prop] || [])
+
+        // in case there's no property found in the lookup
+        // just filters that item out
+        const noAttr = objs.every(obj => !obj)
+        if (noAttr) {
+          return false
+        }
+      }
+
+      // if any of the potential object matches
+      // that item should be in the final result
+      return objs.some(obj => attributeMatch(attributeMatcher, obj))
+    })
+  }
+
+  emptyPseudo () {
+    return this.initialItems.filter(node => node.edgesOut.size === 0)
+  }
+
+  extraneousPseudo () {
+    return this.initialItems.filter(node => node.extraneous)
+  }
+
+  hasPseudo () {
+    const found = []
+    for (const item of this.initialItems) {
+      const res = retrieveNodesFromParsedAst({
+        // This is the one time initialItems differs from inventory
+        initialItems: [item],
+        inventory: this.#inventory,
+        rootAstNode: this.currentAstNode.nestedNode,
+        targetNode: item,
+      })
+      if (res.size > 0) {
+        found.push(item)
+      }
+    }
+    return found
+  }
+
+  invalidPseudo () {
+    const found = []
+    for (const node of this.initialItems) {
+      for (const edge of node.edgesIn) {
+        if (edge.invalid) {
+          found.push(node)
+          break
+        }
+      }
+    }
+    return found
+  }
+
+  isPseudo () {
+    const res = retrieveNodesFromParsedAst({
+      initialItems: this.initialItems,
+      inventory: this.#inventory,
+      rootAstNode: this.currentAstNode.nestedNode,
+      targetNode: this.currentAstNode,
+    })
+    return [...res]
+  }
+
+  linkPseudo () {
+    return this.initialItems.filter(node => node.isLink || (node.isTop && !node.isRoot))
+  }
+
+  missingPseudo () {
+    return this.#inventory.reduce((res, node) => {
+      for (const edge of node.edgesOut.values()) {
+        if (edge.missing) {
+          const pkg = { name: edge.name, version: edge.spec }
+          res.push(new this.#targetNode.constructor({ pkg }))
+        }
+      }
+      return res
+    }, [])
+  }
+
+  notPseudo () {
+    const res = retrieveNodesFromParsedAst({
+      initialItems: this.initialItems,
+      inventory: this.#inventory,
+      rootAstNode: this.currentAstNode.nestedNode,
+      targetNode: this.currentAstNode,
+    })
+    const internalSelector = new Set(res)
+    return this.initialItems.filter(node =>
+      !internalSelector.has(node))
+  }
+
+  pathPseudo () {
+    return this.initialItems.filter(node => {
+      if (!this.currentAstNode.pathValue) {
+        return true
+      }
+      return minimatch(
+        node.realpath.replace(/\\+/g, '/'),
+        resolve(node.root.realpath, this.currentAstNode.pathValue).replace(/\\+/g, '/')
+      )
+    })
+  }
+
+  privatePseudo () {
+    return this.initialItems.filter(node => node.package.private)
+  }
+
+  rootPseudo () {
+    return this.initialItems.filter(node => node === this.#targetNode.root)
+  }
+
+  scopePseudo () {
+    return this.initialItems.filter(node => node === this.#targetNode)
+  }
+
+  semverPseudo () {
+    if (!this.currentAstNode.semverValue) {
+      return this.initialItems
+    }
+    return this.initialItems.filter(node =>
+      semver.satisfies(node.version, this.currentAstNode.semverValue))
+  }
+
+  typePseudo () {
+    if (!this.currentAstNode.typeValue) {
+      return this.initialItems
+    }
+    return this.initialItems
+      .flatMap(node => {
+        const found = []
+        for (const edge of node.edgesIn) {
+          if (npa(`${edge.name}@${edge.spec}`).type === this.currentAstNode.typeValue) {
+            found.push(edge.to)
+          }
+        }
+        return found
+      })
+  }
+
+  dedupedPseudo () {
+    return this.initialItems.filter(node => node.target.edgesIn.size > 1)
+  }
+}
+
+// operators for attribute selectors
+const attributeOperators = {
+  // attribute value is equivalent
+  '=' ({ attr, value, insensitive }) {
+    return attr === value
+  },
+  // attribute value contains word
+  '~=' ({ attr, value, insensitive }) {
+    return (attr.match(/\w+/g) || []).includes(value)
+  },
+  // attribute value contains string
+  '*=' ({ attr, value, insensitive }) {
+    return attr.includes(value)
+  },
+  // attribute value is equal or starts with
+  '|=' ({ attr, value, insensitive }) {
+    return attr.startsWith(`${value}-`)
+  },
+  // attribute value starts with
+  '^=' ({ attr, value, insensitive }) {
+    return attr.startsWith(value)
+  },
+  // attribute value ends with
+  '$=' ({ attr, value, insensitive }) {
+    return attr.endsWith(value)
+  },
+}
+
+const attributeOperator = ({ attr, value, insensitive, operator }) => {
+  if (typeof attr === 'number') {
+    attr = String(attr)
+  }
+  if (typeof attr !== 'string') {
+    // It's an object or an array, bail
+    return false
+  }
+  if (insensitive) {
+    attr = attr.toLowerCase()
+  }
+  return attributeOperators[operator]({
+    attr,
+    insensitive,
+    value,
+  })
+}
+
+const attributeMatch = (matcher, obj) => {
+  const insensitive = !!matcher.insensitive
+  const operator = matcher.operator || ''
+  const attribute = matcher.qualifiedAttribute
+  let value = matcher.value || ''
+  // return early if checking existence
+  if (operator === '') {
+    return Boolean(obj[attribute])
+  }
+  if (insensitive) {
+    value = value.toLowerCase()
+  }
+  // in case the current object is an array
+  // then we try to match every item in the array
+  if (Array.isArray(obj[attribute])) {
+    return obj[attribute].find((i, index) => {
+      const attr = obj[attribute][index] || ''
+      return attributeOperator({ attr, value, insensitive, operator })
+    })
+  } else {
+    const attr = obj[attribute] || ''
+    return attributeOperator({ attr, value, insensitive, operator })
+  }
+}
+
+const edgeIsType = (node, type, seen = new Set()) => {
+  for (const edgeIn of node.edgesIn) {
+    // TODO Need a test with an infinite loop
+    if (seen.has(edgeIn)) {
+      continue
+    }
+    seen.add(edgeIn)
+    if (edgeIn.type === type || edgeIn.from[type] || edgeIsType(edgeIn.from, type, seen)) {
+      return true
+    }
+  }
+  return false
+}
+
+const filterByType = (nodes, type) => {
+  const found = []
+  for (const node of nodes) {
+    if (node[type] || edgeIsType(node, type)) {
+      found.push(node)
+    }
+  }
+  return found
+}
+
+const depTypes = {
+  // dependency
+  '.prod' (prevResults) {
+    const found = []
+    for (const node of prevResults) {
+      if (!node.dev) {
+        found.push(node)
+      }
+    }
+    return found
+  },
+  // devDependency
+  '.dev' (prevResults) {
+    return filterByType(prevResults, 'dev')
+  },
+  // optionalDependency
+  '.optional' (prevResults) {
+    return filterByType(prevResults, 'optional')
+  },
+  // peerDependency
+  '.peer' (prevResults) {
+    return filterByType(prevResults, 'peer')
+  },
+  // workspace
+  '.workspace' (prevResults) {
+    return prevResults.filter(node => node.isWorkspace)
+  },
+  // bundledDependency
+  '.bundled' (prevResults) {
+    return prevResults.filter(node => node.inBundle)
+  },
+}
+
+// checks if a given node has a direct parent in any of the nodes provided in
+// the compare nodes array
+const hasParent = (node, compareNodes) => {
+  // All it takes is one so we loop and return on the first hit
+  for (const compareNode of compareNodes) {
+    // follows logical parent for link anscestors
+    if (node.isTop && (node.resolveParent === compareNode)) {
+      return true
+    }
+    // follows edges-in to check if they match a possible parent
+    for (const edge of node.edgesIn) {
+      if (edge && edge.from === compareNode) {
+        return true
+      }
+    }
+  }
+  return false
+}
+
+// checks if a given node is a descendant of any of the nodes provided in the
+// compareNodes array
+const hasAscendant = (node, compareNodes, seen = new Set()) => {
+  // TODO (future) loop over ancestry property
+  if (hasParent(node, compareNodes)) {
+    return true
+  }
+
+  if (node.isTop && node.resolveParent) {
+    return hasAscendant(node.resolveParent, compareNodes)
+  }
+  for (const edge of node.edgesIn) {
+    // TODO Need a test with an infinite loop
+    if (seen.has(edge)) {
+      continue
+    }
+    seen.add(edge)
+    if (edge && edge.from && hasAscendant(edge.from, compareNodes, seen)) {
+      return true
+    }
+  }
+  return false
+}
+
+const combinators = {
+  // direct descendant
+  '>' (prevResults, nextResults) {
+    return nextResults.filter(node => hasParent(node, prevResults))
+  },
+  // any descendant
+  ' ' (prevResults, nextResults) {
+    return nextResults.filter(node => hasAscendant(node, prevResults))
+  },
+  // sibling
+  '~' (prevResults, nextResults) {
+    // Return any node in nextResults that is a sibling of (aka shares a
+    // parent with) a node in prevResults
+    const parentNodes = new Set() // Parents of everything in prevResults
+    for (const node of prevResults) {
+      for (const edge of node.edgesIn) {
+        // edge.from always exists cause it's from another node's edgesIn
+        parentNodes.add(edge.from)
+      }
+    }
+    return nextResults.filter(node =>
+      !prevResults.includes(node) && hasParent(node, [...parentNodes])
+    )
+  },
+}
+
+const retrieveNodesFromParsedAst = (opts) => {
+  // when we first call this it's the parsed query.  all other times it's
+  // results.currentNode.nestedNode
+  const rootAstNode = opts.rootAstNode
+
+  if (!rootAstNode.nodes) {
+    return new Set()
+  }
+
+  const results = new Results(opts)
+
+  rootAstNode.walk((nextAstNode) => {
+    // This is the only place we reset currentAstNode
+    results.currentAstNode = nextAstNode
+    const updateFn = `${results.currentAstNode.type}Type`
+    if (typeof results[updateFn] !== 'function') {
+      throw Object.assign(
+        new Error(`\`${results.currentAstNode.type}\` is not a supported selector.`),
+        { code: 'EQUERYNOSELECTOR' }
+      )
+    }
+    results[updateFn]()
+  })
+
+  return results.collect(rootAstNode)
+}
+
+// We are keeping this async in the event that we do add async operators, we
+// won't have to have a breaking change on this function signature.
+const querySelectorAll = async (targetNode, query) => {
+  // This never changes ever we just pass it around. But we can't scope it to
+  // this whole file if we ever want to support concurrent calls to this
+  // function.
+  const inventory = [...targetNode.root.inventory.values()]
+  // res is a Set of items returned for each parsed css ast selector
+  const res = retrieveNodesFromParsedAst({
+    initialItems: inventory,
+    inventory,
+    rootAstNode: parser(query),
+    targetNode,
+  })
+
+  // returns nodes ordered by realpath
+  return [...res].sort((a, b) => localeCompare(a.location, b.location))
+}
+
+module.exports = querySelectorAll
diff --git a/deps/npm/node_modules/@npmcli/arborist/package.json b/deps/npm/node_modules/@npmcli/arborist/package.json
index 48814eda69166f..7bfb90a079da44 100644
--- a/deps/npm/node_modules/@npmcli/arborist/package.json
+++ b/deps/npm/node_modules/@npmcli/arborist/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/arborist",
-  "version": "5.3.1",
+  "version": "5.4.0",
   "description": "Manage node_modules trees",
   "dependencies": {
     "@isaacs/string-locale-compare": "^1.1.0",
@@ -11,12 +11,14 @@
     "@npmcli/name-from-folder": "^1.0.1",
     "@npmcli/node-gyp": "^2.0.0",
     "@npmcli/package-json": "^2.0.0",
+    "@npmcli/query": "^1.1.1",
     "@npmcli/run-script": "^4.1.3",
     "bin-links": "^3.0.0",
     "cacache": "^16.0.6",
     "common-ancestor-path": "^1.0.1",
     "json-parse-even-better-errors": "^2.3.1",
     "json-stringify-nice": "^1.1.4",
+    "minimatch": "^5.1.0",
     "mkdirp": "^1.0.4",
     "mkdirp-infer-owner": "^2.0.0",
     "nopt": "^5.0.0",
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js b/deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js
deleted file mode 100644
index 7755d1c10e6d0f..00000000000000
--- a/deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js
+++ /dev/null
@@ -1,17 +0,0 @@
-const url = require('url')
-
-const node = require('../node.js')
-const polyfill = require('./polyfill.js')
-
-const useNative = node.satisfies('>=10.12.0')
-
-const fileURLToPath = (path) => {
-  // the polyfill is tested separately from this module, no need to hack
-  // process.version to try to trigger it just for coverage
-  // istanbul ignore next
-  return useNative
-    ? url.fileURLToPath(path)
-    : polyfill(path)
-}
-
-module.exports = fileURLToPath
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js b/deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js
deleted file mode 100644
index 6cc90f0b07d79f..00000000000000
--- a/deps/npm/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js
+++ /dev/null
@@ -1,121 +0,0 @@
-const { URL, domainToUnicode } = require('url')
-
-const CHAR_LOWERCASE_A = 97
-const CHAR_LOWERCASE_Z = 122
-
-const isWindows = process.platform === 'win32'
-
-class ERR_INVALID_FILE_URL_HOST extends TypeError {
-  constructor (platform) {
-    super(`File URL host must be "localhost" or empty on ${platform}`)
-    this.code = 'ERR_INVALID_FILE_URL_HOST'
-  }
-
-  toString () {
-    return `${this.name} [${this.code}]: ${this.message}`
-  }
-}
-
-class ERR_INVALID_FILE_URL_PATH extends TypeError {
-  constructor (msg) {
-    super(`File URL path ${msg}`)
-    this.code = 'ERR_INVALID_FILE_URL_PATH'
-  }
-
-  toString () {
-    return `${this.name} [${this.code}]: ${this.message}`
-  }
-}
-
-class ERR_INVALID_ARG_TYPE extends TypeError {
-  constructor (name, actual) {
-    super(`The "${name}" argument must be one of type string or an instance ` +
-      `of URL. Received type ${typeof actual} ${actual}`)
-    this.code = 'ERR_INVALID_ARG_TYPE'
-  }
-
-  toString () {
-    return `${this.name} [${this.code}]: ${this.message}`
-  }
-}
-
-class ERR_INVALID_URL_SCHEME extends TypeError {
-  constructor (expected) {
-    super(`The URL must be of scheme ${expected}`)
-    this.code = 'ERR_INVALID_URL_SCHEME'
-  }
-
-  toString () {
-    return `${this.name} [${this.code}]: ${this.message}`
-  }
-}
-
-const isURLInstance = (input) => {
-  return input != null && input.href && input.origin
-}
-
-const getPathFromURLWin32 = (url) => {
-  const hostname = url.hostname
-  let pathname = url.pathname
-  for (let n = 0; n < pathname.length; n++) {
-    if (pathname[n] === '%') {
-      const third = pathname.codePointAt(n + 2) | 0x20
-      if ((pathname[n + 1] === '2' && third === 102) ||
-        (pathname[n + 1] === '5' && third === 99)) {
-        throw new ERR_INVALID_FILE_URL_PATH('must not include encoded \\ or / characters')
-      }
-    }
-  }
-
-  pathname = pathname.replace(/\//g, '\\')
-  pathname = decodeURIComponent(pathname)
-  if (hostname !== '') {
-    return `\\\\${domainToUnicode(hostname)}${pathname}`
-  }
-
-  const letter = pathname.codePointAt(1) | 0x20
-  const sep = pathname[2]
-  if (letter < CHAR_LOWERCASE_A || letter > CHAR_LOWERCASE_Z ||
-    (sep !== ':')) {
-    throw new ERR_INVALID_FILE_URL_PATH('must be absolute')
-  }
-
-  return pathname.slice(1)
-}
-
-const getPathFromURLPosix = (url) => {
-  if (url.hostname !== '') {
-    throw new ERR_INVALID_FILE_URL_HOST(process.platform)
-  }
-
-  const pathname = url.pathname
-
-  for (let n = 0; n < pathname.length; n++) {
-    if (pathname[n] === '%') {
-      const third = pathname.codePointAt(n + 2) | 0x20
-      if (pathname[n + 1] === '2' && third === 102) {
-        throw new ERR_INVALID_FILE_URL_PATH('must not include encoded / characters')
-      }
-    }
-  }
-
-  return decodeURIComponent(pathname)
-}
-
-const fileURLToPath = (path) => {
-  if (typeof path === 'string') {
-    path = new URL(path)
-  } else if (!isURLInstance(path)) {
-    throw new ERR_INVALID_ARG_TYPE('path', ['string', 'URL'], path)
-  }
-
-  if (path.protocol !== 'file:') {
-    throw new ERR_INVALID_URL_SCHEME('file')
-  }
-
-  return isWindows
-    ? getPathFromURLWin32(path)
-    : getPathFromURLPosix(path)
-}
-
-module.exports = fileURLToPath
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/common/owner-sync.js b/deps/npm/node_modules/@npmcli/fs/lib/common/owner-sync.js
index 2055c4b21dec90..8fa18d5121effb 100644
--- a/deps/npm/node_modules/@npmcli/fs/lib/common/owner-sync.js
+++ b/deps/npm/node_modules/@npmcli/fs/lib/common/owner-sync.js
@@ -1,6 +1,6 @@
 const { dirname, resolve } = require('path')
+const url = require('url')
 
-const fileURLToPath = require('./file-url-to-path/index.js')
 const fs = require('../fs.js')
 
 // given a path, find the owner of the nearest parent
@@ -13,7 +13,7 @@ const find = (path) => {
   // fs methods accept URL objects with a scheme of file: so we need to unwrap
   // those into an actual path string before we can resolve it
   const resolved = path != null && path.href && path.origin
-    ? resolve(fileURLToPath(path))
+    ? resolve(url.fileURLToPath(path))
     : resolve(path)
 
   let stat
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/common/owner.js b/deps/npm/node_modules/@npmcli/fs/lib/common/owner.js
index e3468b077d00ec..3fe167cfc30aa2 100644
--- a/deps/npm/node_modules/@npmcli/fs/lib/common/owner.js
+++ b/deps/npm/node_modules/@npmcli/fs/lib/common/owner.js
@@ -1,6 +1,6 @@
 const { dirname, resolve } = require('path')
+const url = require('url')
 
-const fileURLToPath = require('./file-url-to-path/index.js')
 const fs = require('../fs.js')
 
 // given a path, find the owner of the nearest parent
@@ -13,7 +13,7 @@ const find = async (path) => {
   // fs methods accept URL objects with a scheme of file: so we need to unwrap
   // those into an actual path string before we can resolve it
   const resolved = path != null && path.href && path.origin
-    ? resolve(fileURLToPath(path))
+    ? resolve(url.fileURLToPath(path))
     : resolve(path)
 
   let stat
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/index.js b/deps/npm/node_modules/@npmcli/fs/lib/index.js
index 43892df5fee076..3a98648eca9a14 100644
--- a/deps/npm/node_modules/@npmcli/fs/lib/index.js
+++ b/deps/npm/node_modules/@npmcli/fs/lib/index.js
@@ -2,7 +2,7 @@ module.exports = {
   ...require('./fs.js'),
   copyFile: require('./copy-file.js'),
   cp: require('./cp/index.js'),
-  mkdir: require('./mkdir/index.js'),
+  mkdir: require('./mkdir.js'),
   mkdtemp: require('./mkdtemp.js'),
   rm: require('./rm/index.js'),
   withTempDir: require('./with-temp-dir.js'),
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/mkdir.js b/deps/npm/node_modules/@npmcli/fs/lib/mkdir.js
new file mode 100644
index 00000000000000..098d8d0a09ae3f
--- /dev/null
+++ b/deps/npm/node_modules/@npmcli/fs/lib/mkdir.js
@@ -0,0 +1,19 @@
+const fs = require('./fs.js')
+const getOptions = require('./common/get-options.js')
+const withOwner = require('./with-owner.js')
+
+// extends mkdir with the ability to specify an owner of the new dir
+const mkdir = async (path, opts) => {
+  const options = getOptions(opts, {
+    copy: ['mode', 'recursive'],
+    wrap: 'mode',
+  })
+
+  return withOwner(
+    path,
+    () => fs.mkdir(path, options),
+    opts
+  )
+}
+
+module.exports = mkdir
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/mkdir/index.js b/deps/npm/node_modules/@npmcli/fs/lib/mkdir/index.js
deleted file mode 100644
index e2691042daa26f..00000000000000
--- a/deps/npm/node_modules/@npmcli/fs/lib/mkdir/index.js
+++ /dev/null
@@ -1,29 +0,0 @@
-const fs = require('../fs.js')
-const getOptions = require('../common/get-options.js')
-const node = require('../common/node.js')
-const withOwner = require('../with-owner.js')
-
-const polyfill = require('./polyfill.js')
-
-// node 10.12.0 added the options parameter, which allows recursive and mode
-// properties to be passed
-const useNative = node.satisfies('>=10.12.0')
-
-// extends mkdir with the ability to specify an owner of the new dir
-const mkdir = async (path, opts) => {
-  const options = getOptions(opts, {
-    copy: ['mode', 'recursive'],
-    wrap: 'mode',
-  })
-
-  // the polyfill is tested separately from this module, no need to hack
-  // process.version to try to trigger it just for coverage
-  // istanbul ignore next
-  return withOwner(
-    path,
-    () => useNative ? fs.mkdir(path, options) : polyfill(path, options),
-    opts
-  )
-}
-
-module.exports = mkdir
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/mkdir/polyfill.js b/deps/npm/node_modules/@npmcli/fs/lib/mkdir/polyfill.js
deleted file mode 100644
index 4f8e6f006a30ec..00000000000000
--- a/deps/npm/node_modules/@npmcli/fs/lib/mkdir/polyfill.js
+++ /dev/null
@@ -1,81 +0,0 @@
-const { dirname } = require('path')
-
-const fileURLToPath = require('../common/file-url-to-path/index.js')
-const fs = require('../fs.js')
-
-const defaultOptions = {
-  mode: 0o777,
-  recursive: false,
-}
-
-const mkdir = async (path, opts) => {
-  const options = { ...defaultOptions, ...opts }
-
-  // if we're not in recursive mode, just call the real mkdir with the path and
-  // the mode option only
-  if (!options.recursive) {
-    return fs.mkdir(path, options.mode)
-  }
-
-  const makeDirectory = async (dir, mode) => {
-    // we can't use dirname directly since these functions support URL
-    // objects with the file: protocol as the path input, so first we get a
-    // string path, then we can call dirname on that
-    const parent = dir != null && dir.href && dir.origin
-      ? dirname(fileURLToPath(dir))
-      : dirname(dir)
-
-    // if the parent is the dir itself, try to create it. anything but EISDIR
-    // should be rethrown
-    if (parent === dir) {
-      try {
-        await fs.mkdir(dir, opts)
-      } catch (err) {
-        if (err.code !== 'EISDIR') {
-          throw err
-        }
-      }
-      return undefined
-    }
-
-    try {
-      await fs.mkdir(dir, mode)
-      return dir
-    } catch (err) {
-      // ENOENT means the parent wasn't there, so create that
-      if (err.code === 'ENOENT') {
-        const made = await makeDirectory(parent, mode)
-        await makeDirectory(dir, mode)
-        // return the shallowest path we created, i.e. the result of creating
-        // the parent
-        return made
-      }
-
-      // an EEXIST means there's already something there
-      // an EROFS means we have a read-only filesystem and can't create a dir
-      // any other error is fatal and we should give up now
-      if (err.code !== 'EEXIST' && err.code !== 'EROFS') {
-        throw err
-      }
-
-      // stat the directory, if the result is a directory, then we successfully
-      // created this one so return its path. otherwise, we reject with the
-      // original error by ignoring the error in the catch
-      try {
-        const stat = await fs.stat(dir)
-        if (stat.isDirectory()) {
-          // if it already existed, we didn't create anything so return
-          // undefined
-          return undefined
-        }
-      } catch (_) {}
-
-      // if the thing that's there isn't a directory, then just re-throw
-      throw err
-    }
-  }
-
-  return makeDirectory(path, options.mode)
-}
-
-module.exports = mkdir
diff --git a/deps/npm/node_modules/@npmcli/fs/lib/with-temp-dir.js b/deps/npm/node_modules/@npmcli/fs/lib/with-temp-dir.js
index ac9ebb714b9892..ad08e6ee6e6d62 100644
--- a/deps/npm/node_modules/@npmcli/fs/lib/with-temp-dir.js
+++ b/deps/npm/node_modules/@npmcli/fs/lib/with-temp-dir.js
@@ -1,7 +1,7 @@
 const { join, sep } = require('path')
 
 const getOptions = require('./common/get-options.js')
-const mkdir = require('./mkdir/index.js')
+const mkdir = require('./mkdir.js')
 const mkdtemp = require('./mkdtemp.js')
 const rm = require('./rm/index.js')
 
diff --git a/deps/npm/node_modules/@npmcli/fs/package.json b/deps/npm/node_modules/@npmcli/fs/package.json
index 799bf514f200b5..9e18028218d1a2 100644
--- a/deps/npm/node_modules/@npmcli/fs/package.json
+++ b/deps/npm/node_modules/@npmcli/fs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/fs",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "filesystem utilities for the npm cli",
   "main": "lib/index.js",
   "files": [
@@ -33,8 +33,8 @@
   "license": "ISC",
   "devDependencies": {
     "@npmcli/eslint-config": "^3.0.1",
-    "@npmcli/template-oss": "3.1.2",
-    "tap": "^15.1.6"
+    "@npmcli/template-oss": "3.5.0",
+    "tap": "^16.0.1"
   },
   "dependencies": {
     "@gar/promisify": "^1.1.3",
@@ -45,6 +45,6 @@
   },
   "templateOSS": {
     "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
-    "version": "3.1.2"
+    "version": "3.5.0"
   }
 }
diff --git a/deps/npm/node_modules/@npmcli/query/LICENSE b/deps/npm/node_modules/@npmcli/query/LICENSE
new file mode 100644
index 00000000000000..5fc208ff122e08
--- /dev/null
+++ b/deps/npm/node_modules/@npmcli/query/LICENSE
@@ -0,0 +1,20 @@
+
+
+ISC License
+
+Copyright npm, Inc.
+
+Permission to use, copy, modify, and/or distribute this
+software for any purpose with or without fee is hereby
+granted, provided that the above copyright notice and this
+permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND NPM DISCLAIMS ALL
+WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
+EVENT SHALL NPM BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/deps/npm/node_modules/@npmcli/query/lib/index.js b/deps/npm/node_modules/@npmcli/query/lib/index.js
new file mode 100644
index 00000000000000..36a8c700caae12
--- /dev/null
+++ b/deps/npm/node_modules/@npmcli/query/lib/index.js
@@ -0,0 +1,187 @@
+'use strict'
+
+const npa = require('npm-package-arg')
+const parser = require('postcss-selector-parser')
+const semver = require('semver')
+
+const arrayDelimiter = Symbol('arrayDelimiter')
+
+const escapeSlashes = str =>
+  str.replace(/\//g, '\\/')
+
+const unescapeSlashes = str =>
+  str.replace(/\\\//g, '/')
+
+const fixupIds = astNode => {
+  const { name, rawSpec: part } = npa(astNode.value)
+  const versionParts = [{ astNode, part }]
+  let currentAstNode = astNode.next()
+
+  if (!part) {
+    return
+  }
+
+  while (currentAstNode) {
+    versionParts.push({ astNode: currentAstNode, part: String(currentAstNode) })
+    currentAstNode = currentAstNode.next()
+  }
+
+  let version
+  let length = versionParts.length
+  while (!version && length) {
+    version =
+      semver.valid(
+        versionParts.slice(0, length).reduce((res, i) => `${res}${i.part}`, '')
+      )
+    length--
+  }
+
+  astNode.value = `${name}@${version}`
+
+  for (let i = 1; i <= length; i++) {
+    versionParts[i].astNode.remove()
+  }
+}
+
+// recursively fixes up any :attr pseudo-class found
+const fixupAttr = astNode => {
+  const properties = []
+  const matcher = {}
+  for (const selectorAstNode of astNode.nodes) {
+    const [firstAstNode] = selectorAstNode.nodes
+    if (firstAstNode.type === 'tag') {
+      properties.push(firstAstNode.value)
+    }
+  }
+
+  const lastSelectorAstNode = astNode.nodes.pop()
+  const [attributeAstNode] = lastSelectorAstNode.nodes
+
+  if (attributeAstNode.value === ':attr') {
+    const appendParts = fixupAttr(attributeAstNode)
+    properties.push(arrayDelimiter, ...appendParts.lookupProperties)
+    matcher.qualifiedAttribute = appendParts.attributeMatcher.qualifiedAttribute
+    matcher.operator = appendParts.attributeMatcher.operator
+    matcher.value = appendParts.attributeMatcher.value
+
+    // backwards compatibility
+    matcher.attribute = appendParts.attributeMatcher.attribute
+
+    if (appendParts.attributeMatcher.insensitive) {
+      matcher.insensitive = true
+    }
+  } else {
+    if (attributeAstNode.type !== 'attribute') {
+      throw Object.assign(
+        new Error('`:attr` pseudo-class expects an attribute matcher as the last value'),
+        { code: 'EQUERYATTR' }
+      )
+    }
+
+    matcher.qualifiedAttribute = unescapeSlashes(attributeAstNode.qualifiedAttribute)
+    matcher.operator = attributeAstNode.operator
+    matcher.value = attributeAstNode.value
+
+    // backwards compatibility
+    matcher.attribute = matcher.qualifiedAttribute
+
+    if (attributeAstNode.insensitive) {
+      matcher.insensitive = true
+    }
+  }
+
+  astNode.lookupProperties = properties
+  astNode.attributeMatcher = matcher
+  astNode.nodes.length = 0
+  return astNode
+}
+
+// fixed up nested pseudo nodes will have their internal selectors moved
+// to a new root node that will be referenced by the `nestedNode` property,
+// this tweak makes it simpler to reuse `retrieveNodesFromParsedAst` to
+// recursively parse and extract results from the internal selectors
+const fixupNestedPseudo = astNode => {
+  // create a new ast root node and relocate any children
+  // selectors of the current ast node to this new root
+  const newRootNode = parser.root()
+  astNode.nestedNode = newRootNode
+  newRootNode.nodes = [...astNode.nodes]
+
+  // clean up the ast by removing the children nodes from the
+  // current ast node while also cleaning up their `parent` refs
+  astNode.nodes.length = 0
+  for (const currAstNode of newRootNode.nodes) {
+    currAstNode.parent = newRootNode
+  }
+
+  // recursively fixup nodes of any nested selector
+  transformAst(newRootNode)
+}
+
+const fixupSemverSpecs = astNode => {
+  const children = astNode.nodes[0].nodes
+  const value = children.reduce((res, i) => `${res}${String(i)}`, '')
+
+  astNode.semverValue = value
+  astNode.nodes.length = 0
+}
+
+const fixupTypes = astNode => {
+  const [valueAstNode] = astNode.nodes[0].nodes
+  const { value } = valueAstNode || {}
+  astNode.typeValue = value
+  astNode.nodes.length = 0
+}
+
+const fixupPaths = astNode => {
+  astNode.pathValue = unescapeSlashes(String(astNode.nodes[0]))
+  astNode.nodes.length = 0
+}
+
+// a few of the supported ast nodes need to be tweaked in order to properly be
+// interpreted as proper arborist query selectors, namely semver ranges from
+// both ids and :semver pseudo-class selectors need to be translated from what
+// are usually multiple ast nodes, such as: tag:1, class:.0, class:.0 to a
+// single `1.0.0` value, other pseudo-class selectors also get preprocessed in
+// order to make it simpler to execute later when traversing each ast node
+// using rootNode.walk(), such as :path, :type, etc. transformAst handles all
+// these modifications to the parsed ast by doing an extra, initial traversal
+// of the parsed ast from the query and modifying the parsed nodes accordingly
+const transformAst = selector => {
+  selector.walk((nextAstNode) => {
+    if (nextAstNode.type === 'id') {
+      fixupIds(nextAstNode)
+    }
+
+    switch (nextAstNode.value) {
+      case ':attr':
+        return fixupAttr(nextAstNode)
+      case ':is':
+      case ':has':
+      case ':not':
+        return fixupNestedPseudo(nextAstNode)
+      case ':path':
+        return fixupPaths(nextAstNode)
+      case ':semver':
+        return fixupSemverSpecs(nextAstNode)
+      case ':type':
+        return fixupTypes(nextAstNode)
+    }
+  })
+}
+
+const queryParser = (query) => {
+  // if query is an empty string or any falsy
+  // value, just returns an empty result
+  if (!query) {
+    return []
+  }
+
+  return parser(transformAst)
+    .astSync(escapeSlashes(query), { lossless: false })
+}
+
+module.exports = {
+  parser: queryParser,
+  arrayDelimiter,
+}
diff --git a/deps/npm/node_modules/@npmcli/query/package.json b/deps/npm/node_modules/@npmcli/query/package.json
new file mode 100644
index 00000000000000..0c9247e0bb23bc
--- /dev/null
+++ b/deps/npm/node_modules/@npmcli/query/package.json
@@ -0,0 +1,61 @@
+{
+  "name": "@npmcli/query",
+  "version": "1.1.1",
+  "description": "npm query parser and tools",
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "tap",
+    "lint": "eslint \"**/*.js\"",
+    "postlint": "template-oss-check",
+    "template-oss-apply": "template-oss-apply --force",
+    "lintfix": "npm run lint -- --fix",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags",
+    "snap": "tap",
+    "posttest": "npm run lint"
+  },
+  "contributors": [
+    {
+      "name": "Ruy Adorno",
+      "url": "https://ruyadorno.com",
+      "twitter": "ruyadorno"
+    }
+  ],
+  "keywords": [
+    "ast",
+    "npm",
+    "npmcli",
+    "parser",
+    "postcss",
+    "postcss-selector-parser",
+    "query"
+  ],
+  "author": "GitHub Inc.",
+  "license": "ISC",
+  "files": [
+    "bin/",
+    "lib/"
+  ],
+  "engines": {
+    "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
+  },
+  "templateOSS": {
+    "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
+    "version": "3.5.0"
+  },
+  "devDependencies": {
+    "@npmcli/eslint-config": "^3.0.1",
+    "@npmcli/template-oss": "3.5.0",
+    "tap": "^16.2.0"
+  },
+  "dependencies": {
+    "npm-package-arg": "^9.1.0",
+    "postcss-selector-parser": "^6.0.10",
+    "semver": "^7.3.7"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/query.git"
+  }
+}
diff --git a/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js b/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js
index f2253d7cc607b1..7725fd976c893d 100644
--- a/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js
+++ b/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js
@@ -20,6 +20,7 @@ const makeSpawnArgs = options => {
     event,
     path,
     scriptShell = isWindows ? process.env.ComSpec || 'cmd' : 'sh',
+    binPaths,
     env = {},
     stdio,
     cmd,
@@ -27,7 +28,7 @@ const makeSpawnArgs = options => {
     stdioString = false,
   } = options
 
-  const spawnEnv = setPATH(path, {
+  const spawnEnv = setPATH(path, binPaths, {
     // we need to at least save the PATH environment var
     ...process.env,
     ...env,
@@ -100,7 +101,9 @@ const makeSpawnArgs = options => {
     // delete the script, this is just a best effort
     try {
       unlink(scriptFile)
-    } catch (err) {}
+    } catch (err) {
+      // ignore errors
+    }
   }
 
   return [scriptShell, spawnArgs, spawnOpts, cleanup]
diff --git a/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js b/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js
index 84c5e2bfe0c521..ec6ef31e50ab0e 100644
--- a/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js
+++ b/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js
@@ -14,6 +14,7 @@ const runScriptPkg = async options => {
     event,
     path,
     scriptShell,
+    binPaths = false,
     env = {},
     stdio = 'pipe',
     pkg,
@@ -58,6 +59,7 @@ const runScriptPkg = async options => {
     event,
     path,
     scriptShell,
+    binPaths,
     env: packageEnvs(env, pkg),
     stdio,
     cmd,
diff --git a/deps/npm/node_modules/@npmcli/run-script/lib/set-path.js b/deps/npm/node_modules/@npmcli/run-script/lib/set-path.js
index 07671f44579dc1..c59c270d9969a0 100644
--- a/deps/npm/node_modules/@npmcli/run-script/lib/set-path.js
+++ b/deps/npm/node_modules/@npmcli/run-script/lib/set-path.js
@@ -1,5 +1,4 @@
-const { resolve, dirname } = require('path')
-const isWindows = require('./is-windows.js')
+const { resolve, dirname, delimiter } = require('path')
 // the path here is relative, even though it does not need to be
 // in order to make the posix tests pass in windows
 const nodeGypPath = resolve(__dirname, '../lib/node-gyp-bin')
@@ -7,18 +6,19 @@ const nodeGypPath = resolve(__dirname, '../lib/node-gyp-bin')
 // Windows typically calls its PATH environ 'Path', but this is not
 // guaranteed, nor is it guaranteed to be the only one.  Merge them
 // all together in the order they appear in the object.
-const setPATH = (projectPath, env) => {
-  // not require('path').delimiter, because we fake this for testing
-  const delimiter = isWindows ? ';' : ':'
+const setPATH = (projectPath, binPaths, env) => {
   const PATH = Object.keys(env).filter(p => /^path$/i.test(p) && env[p])
     .map(p => env[p].split(delimiter))
     .reduce((set, p) => set.concat(p.filter(concatted => !set.includes(concatted))), [])
     .join(delimiter)
 
   const pathArr = []
+  if (binPaths) {
+    pathArr.push(...binPaths)
+  }
   // unshift the ./node_modules/.bin from every folder
   // walk up until dirname() does nothing, at the root
-  // XXX should we specify a cwd that we don't go above?
+  // XXX we should specify a cwd that we don't go above
   let p = projectPath
   let pp
   do {
diff --git a/deps/npm/node_modules/@npmcli/run-script/package.json b/deps/npm/node_modules/@npmcli/run-script/package.json
index c096f39421bf11..a6629826d29c2c 100644
--- a/deps/npm/node_modules/@npmcli/run-script/package.json
+++ b/deps/npm/node_modules/@npmcli/run-script/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/run-script",
-  "version": "4.1.7",
+  "version": "4.2.0",
   "description": "Run a lifecycle script for a package (descendant of npm-lifecycle)",
   "author": "GitHub Inc.",
   "license": "ISC",
diff --git a/deps/npm/node_modules/cssesc/LICENSE-MIT.txt b/deps/npm/node_modules/cssesc/LICENSE-MIT.txt
new file mode 100644
index 00000000000000..a41e0a7ef970ec
--- /dev/null
+++ b/deps/npm/node_modules/cssesc/LICENSE-MIT.txt
@@ -0,0 +1,20 @@
+Copyright Mathias Bynens 
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/deps/npm/node_modules/cssesc/README.md b/deps/npm/node_modules/cssesc/README.md
new file mode 100644
index 00000000000000..58fb8fe0b6b91f
--- /dev/null
+++ b/deps/npm/node_modules/cssesc/README.md
@@ -0,0 +1,201 @@
+# cssesc [![Build status](https://travis-ci.org/mathiasbynens/cssesc.svg?branch=master)](https://travis-ci.org/mathiasbynens/cssesc) [![Code coverage status](https://img.shields.io/codecov/c/github/mathiasbynens/cssesc.svg)](https://codecov.io/gh/mathiasbynens/cssesc)
+
+A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.
+
+This is a JavaScript library for [escaping text for use in CSS strings or identifiers](https://mathiasbynens.be/notes/css-escapes) while generating the shortest possible valid ASCII-only output. [Here’s an online demo.](https://mothereff.in/css-escapes)
+
+[A polyfill for the CSSOM `CSS.escape()` method is available in a separate repository.](https://mths.be/cssescape) (In comparison, _cssesc_ is much more powerful.)
+
+Feel free to fork if you see possible improvements!
+
+## Installation
+
+Via [npm](https://www.npmjs.com/):
+
+```bash
+npm install cssesc
+```
+
+In a browser:
+
+```html
+
+```
+
+In [Node.js](https://nodejs.org/):
+
+```js
+const cssesc = require('cssesc');
+```
+
+In Ruby using [the `ruby-cssesc` wrapper gem](https://github.com/borodean/ruby-cssesc):
+
+```bash
+gem install ruby-cssesc
+```
+
+```ruby
+require 'ruby-cssesc'
+CSSEsc.escape('I ♥ Ruby', is_identifier: true)
+```
+
+In Sass using [`sassy-escape`](https://github.com/borodean/sassy-escape):
+
+```bash
+gem install sassy-escape
+```
+
+```scss
+body {
+  content: escape('I ♥ Sass', $is-identifier: true);
+}
+```
+
+## API
+
+### `cssesc(value, options)`
+
+This function takes a value and returns an escaped version of the value where any characters that are not printable ASCII symbols are escaped using the shortest possible (but valid) [escape sequences for use in CSS strings or identifiers](https://mathiasbynens.be/notes/css-escapes).
+
+```js
+cssesc('Ich ♥ Bücher');
+// → 'Ich \\2665  B\\FC cher'
+
+cssesc('foo 𝌆 bar');
+// → 'foo \\1D306  bar'
+```
+
+By default, `cssesc` returns a string that can be used as part of a CSS string. If the target is a CSS identifier rather than a CSS string, use the `isIdentifier: true` setting (see below).
+
+The optional `options` argument accepts an object with the following options:
+
+#### `isIdentifier`
+
+The default value for the `isIdentifier` option is `false`. This means that the input text will be escaped for use in a CSS string literal. If you want to use the result as a CSS identifier instead (in a selector, for example), set this option to `true`.
+
+```js
+cssesc('123a2b');
+// → '123a2b'
+
+cssesc('123a2b', {
+  'isIdentifier': true
+});
+// → '\\31 23a2b'
+```
+
+#### `quotes`
+
+The default value for the `quotes` option is `'single'`. This means that any occurences of `'` in the input text will be escaped as `\'`, so that the output can be used in a CSS string literal wrapped in single quotes.
+
+```js
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.');
+// → 'Lorem ipsum "dolor" sit \\\'amet\\\' etc.'
+// → "Lorem ipsum \"dolor\" sit \\'amet\\' etc."
+
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+  'quotes': 'single'
+});
+// → 'Lorem ipsum "dolor" sit \\\'amet\\\' etc.'
+// → "Lorem ipsum \"dolor\" sit \\'amet\\' etc."
+```
+
+If you want to use the output as part of a CSS string literal wrapped in double quotes, set the `quotes` option to `'double'`.
+
+```js
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+  'quotes': 'double'
+});
+// → 'Lorem ipsum \\"dolor\\" sit \'amet\' etc.'
+// → "Lorem ipsum \\\"dolor\\\" sit 'amet' etc."
+```
+
+#### `wrap`
+
+The `wrap` option takes a boolean value (`true` or `false`), and defaults to `false` (disabled). When enabled, the output will be a valid CSS string literal wrapped in quotes. The type of quotes can be specified through the `quotes` setting.
+
+```js
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+  'quotes': 'single',
+  'wrap': true
+});
+// → '\'Lorem ipsum "dolor" sit \\\'amet\\\' etc.\''
+// → "\'Lorem ipsum \"dolor\" sit \\\'amet\\\' etc.\'"
+
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+  'quotes': 'double',
+  'wrap': true
+});
+// → '"Lorem ipsum \\"dolor\\" sit \'amet\' etc."'
+// → "\"Lorem ipsum \\\"dolor\\\" sit \'amet\' etc.\""
+```
+
+#### `escapeEverything`
+
+The `escapeEverything` option takes a boolean value (`true` or `false`), and defaults to `false` (disabled). When enabled, all the symbols in the output will be escaped, even printable ASCII symbols.
+
+```js
+cssesc('lolwat"foo\'bar', {
+  'escapeEverything': true
+});
+// → '\\6C\\6F\\6C\\77\\61\\74\\"\\66\\6F\\6F\\\'\\62\\61\\72'
+// → "\\6C\\6F\\6C\\77\\61\\74\\\"\\66\\6F\\6F\\'\\62\\61\\72"
+```
+
+#### Overriding the default options globally
+
+The global default settings can be overridden by modifying the `css.options` object. This saves you from passing in an `options` object for every call to `encode` if you want to use the non-default setting.
+
+```js
+// Read the global default setting for `escapeEverything`:
+cssesc.options.escapeEverything;
+// → `false` by default
+
+// Override the global default setting for `escapeEverything`:
+cssesc.options.escapeEverything = true;
+
+// Using the global default setting for `escapeEverything`, which is now `true`:
+cssesc('foo © bar ≠ baz 𝌆 qux');
+// → '\\66\\6F\\6F\\ \\A9\\ \\62\\61\\72\\ \\2260\\ \\62\\61\\7A\\ \\1D306\\ \\71\\75\\78'
+```
+
+### `cssesc.version`
+
+A string representing the semantic version number.
+
+### Using the `cssesc` binary
+
+To use the `cssesc` binary in your shell, simply install cssesc globally using npm:
+
+```bash
+npm install -g cssesc
+```
+
+After that you will be able to escape text for use in CSS strings or identifiers from the command line:
+
+```bash
+$ cssesc 'föo ♥ bår 𝌆 baz'
+f\F6o \2665  b\E5r \1D306  baz
+```
+
+If the output needs to be a CSS identifier rather than part of a string literal, use the `-i`/`--identifier` option:
+
+```bash
+$ cssesc --identifier 'föo ♥ bår 𝌆 baz'
+f\F6o\ \2665\ b\E5r\ \1D306\ baz
+```
+
+See `cssesc --help` for the full list of options.
+
+## Support
+
+This library supports the Node.js and browser versions mentioned in [`.babelrc`](https://github.com/mathiasbynens/cssesc/blob/master/.babelrc). For a version that supports a wider variety of legacy browsers and environments out-of-the-box, [see v0.1.0](https://github.com/mathiasbynens/cssesc/releases/tag/v0.1.0).
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## License
+
+This library is available under the [MIT](https://mths.be/mit) license.
diff --git a/deps/npm/node_modules/cssesc/bin/cssesc b/deps/npm/node_modules/cssesc/bin/cssesc
new file mode 100755
index 00000000000000..188c034ffe9483
--- /dev/null
+++ b/deps/npm/node_modules/cssesc/bin/cssesc
@@ -0,0 +1,116 @@
+#!/usr/bin/env node
+const fs = require('fs');
+const cssesc = require('../cssesc.js');
+const strings = process.argv.splice(2);
+const stdin = process.stdin;
+const options = {};
+const log = console.log;
+
+const main = function() {
+	const option = strings[0];
+
+	if (/^(?:-h|--help|undefined)$/.test(option)) {
+		log(
+			'cssesc v%s - https://mths.be/cssesc',
+			cssesc.version
+		);
+		log([
+			'\nUsage:\n',
+			'\tcssesc [string]',
+			'\tcssesc [-i | --identifier] [string]',
+			'\tcssesc [-s | --single-quotes] [string]',
+			'\tcssesc [-d | --double-quotes] [string]',
+			'\tcssesc [-w | --wrap] [string]',
+			'\tcssesc [-e | --escape-everything] [string]',
+			'\tcssesc [-v | --version]',
+			'\tcssesc [-h | --help]',
+			'\nExamples:\n',
+			'\tcssesc \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
+			'\tcssesc --identifier \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
+			'\tcssesc --escape-everything \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
+			'\tcssesc --double-quotes --wrap \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
+			'\techo \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\' | cssesc'
+		].join('\n'));
+		return process.exit(1);
+	}
+
+	if (/^(?:-v|--version)$/.test(option)) {
+		log('v%s', cssesc.version);
+		return process.exit(1);
+	}
+
+	strings.forEach(function(string) {
+		// Process options
+		if (/^(?:-i|--identifier)$/.test(string)) {
+			options.isIdentifier = true;
+			return;
+		}
+		if (/^(?:-s|--single-quotes)$/.test(string)) {
+			options.quotes = 'single';
+			return;
+		}
+		if (/^(?:-d|--double-quotes)$/.test(string)) {
+			options.quotes = 'double';
+			return;
+		}
+		if (/^(?:-w|--wrap)$/.test(string)) {
+			options.wrap = true;
+			return;
+		}
+		if (/^(?:-e|--escape-everything)$/.test(string)) {
+			options.escapeEverything = true;
+			return;
+		}
+
+		// Process string(s)
+		let result;
+		try {
+			result = cssesc(string, options);
+			log(result);
+		} catch (exception) {
+			log(exception.message + '\n');
+			log('Error: failed to escape.');
+			log('If you think this is a bug in cssesc, please report it:');
+			log('https://github.com/mathiasbynens/cssesc/issues/new');
+			log(
+				'\nStack trace using cssesc@%s:\n',
+				cssesc.version
+			);
+			log(exception.stack);
+			return process.exit(1);
+		}
+	});
+	// Return with exit status 0 outside of the `forEach` loop, in case
+	// multiple strings were passed in.
+	return process.exit(0);
+
+};
+
+if (stdin.isTTY) {
+	// handle shell arguments
+	main();
+} else {
+	let timeout;
+	// Either the script is called from within a non-TTY context, or `stdin`
+	// content is being piped in.
+	if (!process.stdout.isTTY) {
+		// The script was called from a non-TTY context. This is a rather uncommon
+		// use case we don’t actively support. However, we don’t want the script
+		// to wait forever in such cases, so…
+		timeout = setTimeout(function() {
+			// …if no piped data arrived after a whole minute, handle shell
+			// arguments instead.
+			main();
+		}, 60000);
+	}
+	let data = '';
+	stdin.on('data', function(chunk) {
+		clearTimeout(timeout);
+		data += chunk;
+	});
+	stdin.on('end', function() {
+		strings.push(data.trim());
+		main();
+	});
+	stdin.resume();
+}
diff --git a/deps/npm/node_modules/cssesc/cssesc.js b/deps/npm/node_modules/cssesc/cssesc.js
new file mode 100644
index 00000000000000..1c0928e45667c8
--- /dev/null
+++ b/deps/npm/node_modules/cssesc/cssesc.js
@@ -0,0 +1,110 @@
+/*! https://mths.be/cssesc v3.0.0 by @mathias */
+'use strict';
+
+var object = {};
+var hasOwnProperty = object.hasOwnProperty;
+var merge = function merge(options, defaults) {
+	if (!options) {
+		return defaults;
+	}
+	var result = {};
+	for (var key in defaults) {
+		// `if (defaults.hasOwnProperty(key) { … }` is not needed here, since
+		// only recognized option names are used.
+		result[key] = hasOwnProperty.call(options, key) ? options[key] : defaults[key];
+	}
+	return result;
+};
+
+var regexAnySingleEscape = /[ -,\.\/:-@\[-\^`\{-~]/;
+var regexSingleEscape = /[ -,\.\/:-@\[\]\^`\{-~]/;
+var regexAlwaysEscape = /['"\\]/;
+var regexExcessiveSpaces = /(^|\\+)?(\\[A-F0-9]{1,6})\x20(?![a-fA-F0-9\x20])/g;
+
+// https://mathiasbynens.be/notes/css-escapes#css
+var cssesc = function cssesc(string, options) {
+	options = merge(options, cssesc.options);
+	if (options.quotes != 'single' && options.quotes != 'double') {
+		options.quotes = 'single';
+	}
+	var quote = options.quotes == 'double' ? '"' : '\'';
+	var isIdentifier = options.isIdentifier;
+
+	var firstChar = string.charAt(0);
+	var output = '';
+	var counter = 0;
+	var length = string.length;
+	while (counter < length) {
+		var character = string.charAt(counter++);
+		var codePoint = character.charCodeAt();
+		var value = void 0;
+		// If it’s not a printable ASCII character…
+		if (codePoint < 0x20 || codePoint > 0x7E) {
+			if (codePoint >= 0xD800 && codePoint <= 0xDBFF && counter < length) {
+				// It’s a high surrogate, and there is a next character.
+				var extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) {
+					// next character is low surrogate
+					codePoint = ((codePoint & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000;
+				} else {
+					// It’s an unmatched surrogate; only append this code unit, in case
+					// the next code unit is the high surrogate of a surrogate pair.
+					counter--;
+				}
+			}
+			value = '\\' + codePoint.toString(16).toUpperCase() + ' ';
+		} else {
+			if (options.escapeEverything) {
+				if (regexAnySingleEscape.test(character)) {
+					value = '\\' + character;
+				} else {
+					value = '\\' + codePoint.toString(16).toUpperCase() + ' ';
+				}
+			} else if (/[\t\n\f\r\x0B]/.test(character)) {
+				value = '\\' + codePoint.toString(16).toUpperCase() + ' ';
+			} else if (character == '\\' || !isIdentifier && (character == '"' && quote == character || character == '\'' && quote == character) || isIdentifier && regexSingleEscape.test(character)) {
+				value = '\\' + character;
+			} else {
+				value = character;
+			}
+		}
+		output += value;
+	}
+
+	if (isIdentifier) {
+		if (/^-[-\d]/.test(output)) {
+			output = '\\-' + output.slice(1);
+		} else if (/\d/.test(firstChar)) {
+			output = '\\3' + firstChar + ' ' + output.slice(1);
+		}
+	}
+
+	// Remove spaces after `\HEX` escapes that are not followed by a hex digit,
+	// since they’re redundant. Note that this is only possible if the escape
+	// sequence isn’t preceded by an odd number of backslashes.
+	output = output.replace(regexExcessiveSpaces, function ($0, $1, $2) {
+		if ($1 && $1.length % 2) {
+			// It’s not safe to remove the space, so don’t.
+			return $0;
+		}
+		// Strip the space.
+		return ($1 || '') + $2;
+	});
+
+	if (!isIdentifier && options.wrap) {
+		return quote + output + quote;
+	}
+	return output;
+};
+
+// Expose default options (so they can be overridden globally).
+cssesc.options = {
+	'escapeEverything': false,
+	'isIdentifier': false,
+	'quotes': 'single',
+	'wrap': false
+};
+
+cssesc.version = '3.0.0';
+
+module.exports = cssesc;
diff --git a/deps/npm/node_modules/cssesc/man/cssesc.1 b/deps/npm/node_modules/cssesc/man/cssesc.1
new file mode 100644
index 00000000000000..eee4996daf5436
--- /dev/null
+++ b/deps/npm/node_modules/cssesc/man/cssesc.1
@@ -0,0 +1,70 @@
+.Dd August 9, 2013
+.Dt cssesc 1
+.Sh NAME
+.Nm cssesc
+.Nd escape text for use in CSS string literals or identifiers
+.Sh SYNOPSIS
+.Nm
+.Op Fl i | -identifier Ar string
+.br
+.Op Fl s | -single-quotes Ar string
+.br
+.Op Fl d | -double-quotes Ar string
+.br
+.Op Fl w | -wrap Ar string
+.br
+.Op Fl e | -escape-everything Ar string
+.br
+.Op Fl v | -version
+.br
+.Op Fl h | -help
+.Sh DESCRIPTION
+.Nm
+escapes strings for use in CSS string literals or identifiers while generating the shortest possible valid ASCII-only output.
+.Sh OPTIONS
+.Bl -ohang -offset
+.It Sy "-s, --single-quotes"
+Escape any occurences of ' in the input string as \\', so that the output can be used in a CSS string literal wrapped in single quotes.
+.It Sy "-d, --double-quotes"
+Escape any occurences of " in the input string as \\", so that the output can be used in a CSS string literal wrapped in double quotes.
+.It Sy "-w, --wrap"
+Make sure the output is a valid CSS string literal wrapped in quotes. The type of quotes can be specified using the
+.Ar -s | --single-quotes
+or
+.Ar -d | --double-quotes
+settings.
+.It Sy "-e, --escape-everything"
+Escape all the symbols in the output, even printable ASCII symbols.
+.It Sy "-v, --version"
+Print cssesc's version.
+.It Sy "-h, --help"
+Show the help screen.
+.El
+.Sh EXIT STATUS
+The
+.Nm cssesc
+utility exits with one of the following values:
+.Pp
+.Bl -tag -width flag -compact
+.It Li 0
+.Nm
+successfully escaped the given text and printed the result.
+.It Li 1
+.Nm
+wasn't instructed to escape anything (for example, the
+.Ar --help
+flag was set); or, an error occurred.
+.El
+.Sh EXAMPLES
+.Bl -ohang -offset
+.It Sy "cssesc 'foo bar baz'"
+Print an escaped version of the given text.
+.It Sy echo\ 'foo bar baz'\ |\ cssesc
+Print an escaped version of the text that gets piped in.
+.El
+.Sh BUGS
+cssesc's bug tracker is located at .
+.Sh AUTHOR
+Mathias Bynens 
+.Sh WWW
+
diff --git a/deps/npm/node_modules/cssesc/package.json b/deps/npm/node_modules/cssesc/package.json
new file mode 100644
index 00000000000000..076c84dc83018b
--- /dev/null
+++ b/deps/npm/node_modules/cssesc/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "cssesc",
+  "version": "3.0.0",
+  "description": "A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.",
+  "homepage": "https://mths.be/cssesc",
+  "engines": {
+    "node": ">=4"
+  },
+  "main": "cssesc.js",
+  "bin": "bin/cssesc",
+  "man": "man/cssesc.1",
+  "keywords": [
+    "css",
+    "escape",
+    "identifier",
+    "string",
+    "tool"
+  ],
+  "license": "MIT",
+  "author": {
+    "name": "Mathias Bynens",
+    "url": "https://mathiasbynens.be/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mathiasbynens/cssesc.git"
+  },
+  "bugs": "https://github.com/mathiasbynens/cssesc/issues",
+  "files": [
+    "LICENSE-MIT.txt",
+    "cssesc.js",
+    "bin/",
+    "man/"
+  ],
+  "scripts": {
+    "build": "grunt template && babel cssesc.js -o cssesc.js",
+    "test": "mocha tests",
+    "cover": "istanbul cover --report html node_modules/.bin/_mocha tests -- -u exports -R spec"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-preset-env": "^1.6.1",
+    "codecov": "^1.0.1",
+    "grunt": "^1.0.1",
+    "grunt-template": "^1.0.0",
+    "istanbul": "^0.4.4",
+    "mocha": "^2.5.3",
+    "regenerate": "^1.2.1",
+    "requirejs": "^2.1.16"
+  }
+}
diff --git a/deps/npm/node_modules/libnpmexec/lib/cache-install-dir.js b/deps/npm/node_modules/libnpmexec/lib/cache-install-dir.js
deleted file mode 100644
index 77466938762d08..00000000000000
--- a/deps/npm/node_modules/libnpmexec/lib/cache-install-dir.js
+++ /dev/null
@@ -1,20 +0,0 @@
-const crypto = require('crypto')
-
-const { resolve } = require('path')
-
-const cacheInstallDir = ({ npxCache, packages }) => {
-  if (!npxCache) {
-    throw new Error('Must provide a valid npxCache path')
-  }
-
-  // only packages not found in ${prefix}/node_modules
-  return resolve(npxCache, getHash(packages))
-}
-
-const getHash = (packages) =>
-  crypto.createHash('sha512')
-    .update(packages.sort((a, b) => a.localeCompare(b, 'en')).join('\n'))
-    .digest('hex')
-    .slice(0, 16)
-
-module.exports = cacheInstallDir
diff --git a/deps/npm/node_modules/libnpmexec/lib/file-exists.js b/deps/npm/node_modules/libnpmexec/lib/file-exists.js
index f89cfc217d61d7..e5cd474dac388f 100644
--- a/deps/npm/node_modules/libnpmexec/lib/file-exists.js
+++ b/deps/npm/node_modules/libnpmexec/lib/file-exists.js
@@ -1,23 +1,25 @@
 const { resolve } = require('path')
-const { promisify } = require('util')
-const stat = promisify(require('fs').stat)
+const fs = require('@npmcli/fs')
 const walkUp = require('walk-up-path')
 
-const fileExists = (file) => stat(file)
-  .then((res) => res.isFile())
-  .catch(() => false)
-
-const localFileExists = async (dir, binName, root = '/') => {
-  root = resolve(root).toLowerCase()
+const fileExists = async (file) => {
+  try {
+    const res = await fs.stat(file)
+    return res.isFile()
+  } catch {
+    return false
+  }
+}
 
-  for (const path of walkUp(resolve(dir))) {
+const localFileExists = async (dir, binName, root) => {
+  for (const path of walkUp(dir)) {
     const binDir = resolve(path, 'node_modules', '.bin')
 
     if (await fileExists(resolve(binDir, binName))) {
       return binDir
     }
 
-    if (path.toLowerCase() === root) {
+    if (path.toLowerCase() === resolve(root).toLowerCase()) {
       return false
     }
   }
diff --git a/deps/npm/node_modules/libnpmexec/lib/index.js b/deps/npm/node_modules/libnpmexec/lib/index.js
index dfe7560120702d..fcc596d3137784 100644
--- a/deps/npm/node_modules/libnpmexec/lib/index.js
+++ b/deps/npm/node_modules/libnpmexec/lib/index.js
@@ -1,27 +1,76 @@
-const { delimiter, dirname, resolve } = require('path')
+'use strict'
+
 const { promisify } = require('util')
-const read = promisify(require('read'))
 
 const Arborist = require('@npmcli/arborist')
 const ciDetect = require('@npmcli/ci-detect')
+const crypto = require('crypto')
 const log = require('proc-log')
-const npmlog = require('npmlog')
 const mkdirp = require('mkdirp-infer-owner')
 const npa = require('npm-package-arg')
+const npmlog = require('npmlog')
 const pacote = require('pacote')
+const read = promisify(require('read'))
+const semver = require('semver')
 
-const cacheInstallDir = require('./cache-install-dir.js')
 const { fileExists, localFileExists } = require('./file-exists.js')
 const getBinFromManifest = require('./get-bin-from-manifest.js')
 const noTTY = require('./no-tty.js')
 const runScript = require('./run-script.js')
 const isWindows = require('./is-windows.js')
-const _localManifest = Symbol('localManifest')
 
-/* istanbul ignore next */
-const PATH = (
-  process.env.PATH || process.env.Path || process.env.path
-).split(delimiter)
+const { dirname, resolve } = require('path')
+
+const binPaths = []
+
+// when checking the local tree we look up manifests, cache those results by
+// spec.raw so we don't have to fetch again when we check npxCache
+const manifests = new Map()
+
+const getManifest = async (spec, flatOptions) => {
+  if (!manifests.get(spec.raw)) {
+    const manifest = await pacote.manifest(spec, { ...flatOptions, preferOnline: true })
+    manifests.set(spec.raw, manifest)
+  }
+  return manifests.get(spec.raw)
+}
+
+// Returns the required manifest if the spec is missing from the tree
+const missingFromTree = async ({ spec, tree, flatOptions }) => {
+  if (spec.registry && (spec.rawSpec === '' || spec.type !== 'tag')) {
+    // registry spec that is not a specific tag.
+    const nodesBySpec = tree.inventory.query('packageName', spec.name)
+    for (const node of nodesBySpec) {
+      if (spec.type === 'tag') {
+        // package requested by name only
+        return
+      } else if (spec.type === 'version') {
+        // package requested by specific version
+        if (node.pkgid === spec.raw) {
+          return
+        }
+      } else {
+        // package requested by version range, only remaining registry type
+        if (semver.satisfies(node.package.version, spec.rawSpec)) {
+          return
+        }
+      }
+    }
+    return await getManifest(spec, flatOptions)
+  } else {
+    // non-registry spec, or a specific tag.  Look up manifest and check
+    // resolved to see if it's in the tree.
+    const manifest = await getManifest(spec, flatOptions)
+    const nodesByManifest = tree.inventory.query('packageName', manifest.name)
+    for (const node of nodesByManifest) {
+      if (node.package.resolved === manifest._resolved) {
+        // we have a package by the same name and the same resolved destination, nothing to add.
+        return
+      }
+    }
+    return manifest
+  }
+}
 
 const exec = async (opts) => {
   const {
@@ -31,8 +80,10 @@ const exec = async (opts) => {
     localBin = resolve('./node_modules/.bin'),
     locationMsg = undefined,
     globalBin = '',
+    globalPath = '',
     output,
-    packages: _packages = [],
+    // dereference values because we manipulate it later
+    packages: [...packages] = [],
     path = '.',
     runPath = '.',
     scriptShell = isWindows ? process.env.ComSpec || 'cmd' : 'sh',
@@ -40,10 +91,7 @@ const exec = async (opts) => {
     ...flatOptions
   } = opts
 
-  // dereferences values because we manipulate it later
-  const packages = [..._packages]
-  const pathArr = [...PATH]
-  const _run = () => runScript({
+  const run = () => runScript({
     args,
     call,
     color,
@@ -51,125 +99,101 @@ const exec = async (opts) => {
     locationMsg,
     output,
     path,
-    pathArr,
+    binPaths,
     runPath,
     scriptShell,
   })
 
-  // nothing to maybe install, skip the arborist dance
+  // interactive mode
   if (!call && !args.length && !packages.length) {
-    return await _run()
+    return run()
   }
 
-  const needPackageCommandSwap = args.length && !packages.length
-  // if there's an argument and no package has been explicitly asked for
-  // check the local and global bin paths for a binary named the same as
-  // the argument and run it if it exists, otherwise fall through to
-  // the behavior of treating the single argument as a package name
+  const needPackageCommandSwap = (args.length > 0) && (packages.length === 0)
+  // If they asked for a command w/o specifying a package, see if there is a
+  // bin that directly matches that name either globally or in the local tree.
   if (needPackageCommandSwap) {
-    let binExists = false
     const dir = dirname(dirname(localBin))
-    const localBinPath = await localFileExists(dir, args[0])
+    const localBinPath = await localFileExists(dir, args[0], '/')
     if (localBinPath) {
-      pathArr.unshift(localBinPath)
-      binExists = true
+      binPaths.push(localBinPath)
+      return await run()
     } else if (await fileExists(`${globalBin}/${args[0]}`)) {
-      pathArr.unshift(globalBin)
-      binExists = true
-    }
-
-    if (binExists) {
-      return await _run()
+      binPaths.push(globalBin)
+      return await run()
     }
 
+    // We swap out args[0] with the bin from the manifest later
     packages.push(args[0])
   }
 
-  // figure out whether we need to install stuff, or if local is fine
-  const localArb = new Arborist({
-    ...flatOptions,
-    path,
-  })
+  const localArb = new Arborist({ ...flatOptions, path })
   const localTree = await localArb.loadActual()
 
-  const getLocalManifest = ({ tree, name }) => {
-    // look up the package name in the current tree inventory,
-    // if it's found then return that normalized pkg data
-    const [node] = tree.inventory.query('packageName', name)
-
-    if (node) {
-      return {
-        _id: node.pkgid,
-        ...node.package,
-        [_localManifest]: true,
-      }
+  // Find anything that isn't installed locally
+  const needInstall = []
+  await Promise.all(packages.map(async pkg => {
+    const spec = npa(pkg, path)
+    const manifest = await missingFromTree({ spec, tree: localTree, flatOptions })
+    if (manifest) {
+      // Package does not exist in the local tree
+      needInstall.push({ spec, manifest })
     }
-  }
-
-  // If we do `npm exec foo`, and have a `foo` locally, then we'll
-  // always use that, so we don't really need to fetch the manifest.
-  // So: run npa on each packages entry, and if it is a name with a
-  // rawSpec==='', then try to find that node name in the tree inventory
-  // and only pacote fetch if that fails.
-  const manis = await Promise.all(packages.map(async p => {
-    const spec = npa(p, path)
-    if (spec.type === 'tag' && spec.rawSpec === '') {
-      const localManifest = getLocalManifest({
-        tree: localTree,
-        name: spec.name,
-      })
-      if (localManifest) {
-        return localManifest
-      }
-    }
-    // Force preferOnline to true so we are making sure to pull in the latest
-    // This is especially useful if the user didn't give us a version, and
-    // they expect to be running @latest
-    return await pacote.manifest(p, {
-      ...flatOptions,
-      preferOnline: true,
-    })
   }))
 
   if (needPackageCommandSwap) {
-    args[0] = getBinFromManifest(manis[0])
-  }
+    // Either we have a scoped package or the bin of our package we inferred
+    // from arg[0] might not be identical to the package name
+    const spec = npa(args[0])
+    let commandManifest
+    if (needInstall.length === 0) {
+      commandManifest = await getManifest(spec, flatOptions)
+    } else {
+      commandManifest = needInstall[0].manifest
+    }
+
+    args[0] = getBinFromManifest(commandManifest)
 
-  // are all packages from the manifest list installed?
-  const needInstall =
-    manis.some(manifest => !manifest[_localManifest])
+    // See if the package is installed globally, and run the translated bin
+    const globalArb = new Arborist({ ...flatOptions, path: globalPath, global: true })
+    const globalTree = await globalArb.loadActual()
+    const globalManifest = await missingFromTree({ spec, tree: globalTree, flatOptions })
+    if (!globalManifest) {
+      binPaths.push(globalBin)
+      return await run()
+    }
+  }
 
-  if (needInstall) {
+  const add = []
+  if (needInstall.length > 0) {
+    // Install things to the npx cache, if needed
     const { npxCache } = flatOptions
-    const installDir = cacheInstallDir({ npxCache, packages })
+    if (!npxCache) {
+      throw new Error('Must provide a valid npxCache path')
+    }
+    const hash = crypto.createHash('sha512')
+      .update(packages.sort((a, b) => a.localeCompare(b, 'en')).join('\n'))
+      .digest('hex')
+      .slice(0, 16)
+    const installDir = resolve(npxCache, hash)
     await mkdirp(installDir)
-    const arb = new Arborist({
+    const npxArb = new Arborist({
       ...flatOptions,
       path: installDir,
     })
-    const tree = await arb.loadActual()
-
-    // inspect the npx-space installed tree to check if the package is already
-    // there, if that's the case also check that it's version matches the same
-    // version expected by the user requested pkg returned by pacote.manifest
-    const filterMissingPackagesFromInstallDir = (mani) => {
-      const localManifest = getLocalManifest({ tree, name: mani.name })
-      if (localManifest) {
-        return localManifest.version !== mani.version
+    const npxTree = await npxArb.loadActual()
+    await Promise.all(needInstall.map(async ({ spec }) => {
+      const manifest = await missingFromTree({ spec, tree: npxTree, flatOptions })
+      if (manifest) {
+        // Manifest is not in npxCache, we need to install it there
+        if (!spec.registry) {
+          add.push(manifest._from)
+        } else {
+          add.push(manifest._id)
+        }
       }
-      return true
-    }
-
-    // at this point, we have to ensure that we get the exact same
-    // version, because it's something that has only ever been installed
-    // by npm exec in the cache install directory
-    const add = manis
-      .filter(mani => !mani[_localManifest])
-      .filter(filterMissingPackagesFromInstallDir)
-      .map(mani => mani._id || mani._from)
-      .sort((a, b) => a.localeCompare(b, 'en'))
+    }))
 
-    // no need to install if already present
     if (add.length) {
       if (!yes) {
         // set -n to always say no
@@ -196,15 +220,15 @@ const exec = async (opts) => {
           }
         }
       }
-      await arb.reify({
+      await npxArb.reify({
         ...flatOptions,
         add,
       })
     }
-    pathArr.unshift(resolve(installDir, 'node_modules/.bin'))
+    binPaths.push(resolve(installDir, 'node_modules/.bin'))
   }
 
-  return await _run()
+  return await run()
 }
 
 module.exports = exec
diff --git a/deps/npm/node_modules/libnpmexec/lib/run-script.js b/deps/npm/node_modules/libnpmexec/lib/run-script.js
index 97543e6ff0d08f..18dcf7d8356c59 100644
--- a/deps/npm/node_modules/libnpmexec/lib/run-script.js
+++ b/deps/npm/node_modules/libnpmexec/lib/run-script.js
@@ -1,5 +1,3 @@
-const { delimiter } = require('path')
-
 const chalk = require('chalk')
 const ciDetect = require('@npmcli/ci-detect')
 const runScript = require('@npmcli/run-script')
@@ -22,7 +20,7 @@ const run = async ({
   locationMsg,
   output = () => {},
   path,
-  pathArr,
+  binPaths,
   runPath,
   scriptShell,
 }) => {
@@ -71,11 +69,9 @@ const run = async ({
       // we always run in cwd, not --prefix
       path: runPath,
       stdioString: true,
+      binPaths,
       event: 'npx',
       args,
-      env: {
-        PATH: pathArr.join(delimiter),
-      },
       stdio: 'inherit',
     })
   } finally {
diff --git a/deps/npm/node_modules/libnpmexec/package.json b/deps/npm/node_modules/libnpmexec/package.json
index d163103ea2b0bf..9fcb0b20167847 100644
--- a/deps/npm/node_modules/libnpmexec/package.json
+++ b/deps/npm/node_modules/libnpmexec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "libnpmexec",
-  "version": "4.0.8",
+  "version": "4.0.9",
   "files": [
     "bin/",
     "lib/"
@@ -57,7 +57,8 @@
   "dependencies": {
     "@npmcli/arborist": "^5.0.0",
     "@npmcli/ci-detect": "^2.0.0",
-    "@npmcli/run-script": "^4.1.3",
+    "@npmcli/fs": "^2.1.1",
+    "@npmcli/run-script": "^4.2.0",
     "chalk": "^4.1.0",
     "mkdirp-infer-owner": "^2.0.0",
     "npm-package-arg": "^9.0.1",
@@ -66,6 +67,7 @@
     "proc-log": "^2.0.0",
     "read": "^1.0.7",
     "read-package-json-fast": "^2.0.2",
+    "semver": "^7.3.7",
     "walk-up-path": "^1.0.0"
   },
   "templateOSS": {
diff --git a/deps/npm/node_modules/npm-profile/lib/index.js b/deps/npm/node_modules/npm-profile/lib/index.js
index e4ac5622e0d5c6..ce78882a55438d 100644
--- a/deps/npm/node_modules/npm-profile/lib/index.js
+++ b/deps/npm/node_modules/npm-profile/lib/index.js
@@ -56,13 +56,11 @@ const webAuth = (opener, opts, body) => {
   const { hostname } = opts
   body.hostname = hostname || os.hostname()
   const target = '/-/v1/login'
+  const doneEmitter = new EventEmitter()
   return fetch(target, {
     ...opts,
     method: 'POST',
     body,
-    headers: {
-      'npm-use-webauthn': opts.authType === 'webauthn',
-    },
   }).then(res => {
     return Promise.all([res, res.json()])
   }).then(([res, content]) => {
@@ -75,8 +73,6 @@ const webAuth = (opener, opts, body) => {
   }).then(({ doneUrl, loginUrl }) => {
     log.verbose('web auth', 'opening url pair')
 
-    const doneEmitter = new EventEmitter()
-
     const openPromise = opener(loginUrl, doneEmitter)
     const webAuthCheckPromise = webAuthCheckLogin(doneUrl, { ...opts, cache: false })
       .then(authResult => {
@@ -93,6 +89,9 @@ const webAuth = (opener, opts, body) => {
       ([, authResult]) => authResult
     )
   }).catch(er => {
+    // cancel open prompt if it's present
+    doneEmitter.emit('abort')
+
     if ((er.statusCode >= 400 && er.statusCode <= 499) || er.statusCode === 500) {
       throw new WebLoginNotSupported('POST', {
         status: er.statusCode,
diff --git a/deps/npm/node_modules/npm-profile/package.json b/deps/npm/node_modules/npm-profile/package.json
index bd4ebd31761159..457a1fb0988fba 100644
--- a/deps/npm/node_modules/npm-profile/package.json
+++ b/deps/npm/node_modules/npm-profile/package.json
@@ -1,6 +1,6 @@
 {
   "name": "npm-profile",
-  "version": "6.2.0",
+  "version": "6.2.1",
   "description": "Library for updating an npmjs.com profile",
   "keywords": [],
   "author": "GitHub Inc.",
diff --git a/deps/npm/node_modules/postcss-selector-parser/API.md b/deps/npm/node_modules/postcss-selector-parser/API.md
new file mode 100644
index 00000000000000..6aa1f1438f1be4
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/API.md
@@ -0,0 +1,873 @@
+# API Documentation
+
+*Please use only this documented API when working with the parser. Methods
+not documented here are subject to change at any point.*
+
+## `parser` function
+
+This is the module's main entry point.
+
+```js
+const parser = require('postcss-selector-parser');
+```
+
+### `parser([transform], [options])`
+
+Creates a new `processor` instance
+
+```js
+const processor = parser();
+```
+
+Or, with optional transform function
+
+```js
+const transform = selectors => {
+    selectors.walkUniversals(selector => {
+        selector.remove();
+    });
+};
+
+const processor = parser(transform)
+
+// Example
+const result = processor.processSync('*.class');
+// => .class
+```
+
+[See processor documentation](#processor)
+
+Arguments:
+
+* `transform (function)`: Provide a function to work with the parsed AST.
+* `options (object)`: Provide default options for all calls on the returned `Processor`.
+
+### `parser.attribute([props])`
+
+Creates a new attribute selector.
+
+```js
+parser.attribute({attribute: 'href'});
+// => [href]
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.className([props])`
+
+Creates a new class selector.
+
+```js
+parser.className({value: 'button'});
+// => .button
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.combinator([props])`
+
+Creates a new selector combinator.
+
+```js
+parser.combinator({value: '+'});
+// => +
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+Notes:
+* **Descendant Combinators** The value of descendant combinators created by the
+  parser always just a single space (`" "`). For descendant selectors with no
+  comments, additional space is now stored in `node.spaces.before`. Depending
+  on the location of comments, additional spaces may be stored in
+  `node.raws.spaces.before`, `node.raws.spaces.after`, or `node.raws.value`.
+* **Named Combinators** Although, nonstandard and unlikely to ever become a standard,
+  named combinators like `/deep/` and `/for/` are parsed as combinators. The
+  `node.value` is name after being unescaped and normalized as lowercase. The
+  original value for the combinator name is stored in `node.raws.value`.
+
+
+### `parser.comment([props])`
+
+Creates a new comment.
+
+```js
+parser.comment({value: '/* Affirmative, Dave. I read you. */'});
+// => /* Affirmative, Dave. I read you. */
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.id([props])`
+
+Creates a new id selector.
+
+```js
+parser.id({value: 'search'});
+// => #search
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.nesting([props])`
+
+Creates a new nesting selector.
+
+```js
+parser.nesting();
+// => &
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.pseudo([props])`
+
+Creates a new pseudo selector.
+
+```js
+parser.pseudo({value: '::before'});
+// => ::before
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.root([props])`
+
+Creates a new root node.
+
+```js
+parser.root();
+// => (empty)
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.selector([props])`
+
+Creates a new selector node.
+
+```js
+parser.selector();
+// => (empty)
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.string([props])`
+
+Creates a new string node.
+
+```js
+parser.string();
+// => (empty)
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.tag([props])`
+
+Creates a new tag selector.
+
+```js
+parser.tag({value: 'button'});
+// => button
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.universal([props])`
+
+Creates a new universal selector.
+
+```js
+parser.universal();
+// => *
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+## Node types
+
+### `node.type`
+
+A string representation of the selector type. It can be one of the following;
+`attribute`, `class`, `combinator`, `comment`, `id`, `nesting`, `pseudo`,
+`root`, `selector`, `string`, `tag`, or `universal`. Note that for convenience,
+these constants are exposed on the main `parser` as uppercased keys. So for
+example you can get `id` by querying `parser.ID`.
+
+```js
+parser.attribute({attribute: 'href'}).type;
+// => 'attribute'
+```
+
+### `node.parent`
+
+Returns the parent node.
+
+```js
+root.nodes[0].parent === root;
+```
+
+### `node.toString()`, `String(node)`, or `'' + node`
+
+Returns a string representation of the node.
+
+```js
+const id = parser.id({value: 'search'});
+console.log(String(id));
+// => #search
+```
+
+### `node.next()` & `node.prev()`
+
+Returns the next/previous child of the parent node.
+
+```js
+const next = id.next();
+if (next && next.type !== 'combinator') {
+    throw new Error('Qualified IDs are not allowed!');
+}
+```
+
+### `node.replaceWith(node)`
+
+Replace a node with another.
+
+```js
+const attr = selectors.first.first;
+const className = parser.className({value: 'test'});
+attr.replaceWith(className);
+```
+
+Arguments:
+
+* `node`: The node to substitute the original with.
+
+### `node.remove()`
+
+Removes the node from its parent node.
+
+```js
+if (node.type === 'id') {
+    node.remove();
+}
+```
+
+### `node.clone()`
+
+Returns a copy of a node, detached from any parent containers that the
+original might have had.
+
+```js
+const cloned = parser.id({value: 'search'});
+String(cloned);
+
+// => #search
+```
+
+### `node.isAtPosition(line, column)`
+
+Return a `boolean` indicating whether this node includes the character at the
+position of the given line and column. Returns `undefined` if the nodes lack
+sufficient source metadata to determine the position.
+
+Arguments:
+
+* `line`: 1-index based line number relative to the start of the selector.
+* `column`: 1-index based column number relative to the start of the selector.
+
+### `node.spaces`
+
+Extra whitespaces around the node will be moved into `node.spaces.before` and
+`node.spaces.after`. So for example, these spaces will be moved as they have
+no semantic meaning:
+
+```css
+      h1     ,     h2   {}
+```
+
+For descendent selectors, the value is always a single space.
+
+```css
+h1        h2 {}
+```
+
+Additional whitespace is found in either the `node.spaces.before` and `node.spaces.after` depending on the presence of comments or other whitespace characters. If the actual whitespace does not start or end with a single space, the node's raw value is set to the actual space(s) found in the source.
+
+### `node.source`
+
+An object describing the node's start/end, line/column source position.
+
+Within the following CSS, the `.bar` class node ...
+
+```css
+.foo,
+  .bar {}
+```
+
+... will contain the following `source` object.
+
+```js
+source: {
+    start: {
+        line: 2,
+        column: 3
+    },
+    end: {
+        line: 2,
+        column: 6
+    }
+}
+```
+
+### `node.sourceIndex`
+
+The zero-based index of the node within the original source string.
+
+Within the following CSS, the `.baz` class node will have a `sourceIndex` of `12`.
+
+```css
+.foo, .bar, .baz {}
+```
+
+## Container types
+
+The `root`, `selector`, and `pseudo` nodes have some helper methods for working
+with their children.
+
+### `container.nodes`
+
+An array of the container's children.
+
+```js
+// Input: h1 h2
+selectors.at(0).nodes.length   // => 3
+selectors.at(0).nodes[0].value // => 'h1'
+selectors.at(0).nodes[1].value // => ' '
+```
+
+### `container.first` & `container.last`
+
+The first/last child of the container.
+
+```js
+selector.first === selector.nodes[0];
+selector.last === selector.nodes[selector.nodes.length - 1];
+```
+
+### `container.at(index)`
+
+Returns the node at position `index`.
+
+```js
+selector.at(0) === selector.first;
+selector.at(0) === selector.nodes[0];
+```
+
+Arguments:
+
+* `index`: The index of the node to return.
+
+### `container.atPosition(line, column)`
+
+Returns the node at the source position `index`.
+
+```js
+selector.at(0) === selector.first;
+selector.at(0) === selector.nodes[0];
+```
+
+Arguments:
+
+* `index`: The index of the node to return.
+
+### `container.index(node)`
+
+Return the index of the node within its container.
+
+```js
+selector.index(selector.nodes[2]) // => 2
+```
+
+Arguments:
+
+* `node`: A node within the current container.
+
+### `container.length`
+
+Proxy to the length of the container's nodes.
+
+```js
+container.length === container.nodes.length
+```
+
+### `container` Array iterators
+
+The container class provides proxies to certain Array methods; these are:
+
+* `container.map === container.nodes.map`
+* `container.reduce === container.nodes.reduce`
+* `container.every === container.nodes.every`
+* `container.some === container.nodes.some`
+* `container.filter === container.nodes.filter`
+* `container.sort === container.nodes.sort`
+
+Note that these methods only work on a container's immediate children; recursive
+iteration is provided by `container.walk`.
+
+### `container.each(callback)`
+
+Iterate the container's immediate children, calling `callback` for each child.
+You may return `false` within the callback to break the iteration.
+
+```js
+let className;
+selectors.each((selector, index) => {
+    if (selector.type === 'class') {
+        className = selector.value;
+        return false;
+    }
+});
+```
+
+Note that unlike `Array#forEach()`, this iterator is safe to use whilst adding
+or removing nodes from the container.
+
+Arguments:
+
+* `callback (function)`: A function to call for each node, which receives `node`
+  and `index` arguments.
+
+### `container.walk(callback)`
+
+Like `container#each`, but will also iterate child nodes as long as they are
+`container` types.
+
+```js
+selectors.walk((selector, index) => {
+    // all nodes
+});
+```
+
+Arguments:
+
+* `callback (function)`: A function to call for each node, which receives `node`
+  and `index` arguments.
+
+This iterator is safe to use whilst mutating `container.nodes`,
+like `container#each`.
+
+### `container.walk` proxies
+
+The container class provides proxy methods for iterating over types of nodes,
+so that it is easier to write modules that target specific selectors. Those
+methods are:
+
+* `container.walkAttributes`
+* `container.walkClasses`
+* `container.walkCombinators`
+* `container.walkComments`
+* `container.walkIds`
+* `container.walkNesting`
+* `container.walkPseudos`
+* `container.walkTags`
+* `container.walkUniversals`
+
+### `container.split(callback)`
+
+This method allows you to split a group of nodes by returning `true` from
+a callback. It returns an array of arrays, where each inner array corresponds
+to the groups that you created via the callback.
+
+```js
+// (input) => h1 h2>>h3
+const list = selectors.first.split(selector => {
+    return selector.type === 'combinator';
+});
+
+// (node values) => [['h1', ' '], ['h2', '>>'], ['h3']]
+```
+
+Arguments:
+
+* `callback (function)`: A function to call for each node, which receives `node`
+  as an argument.
+
+### `container.prepend(node)` & `container.append(node)`
+
+Add a node to the start/end of the container. Note that doing so will set
+the parent property of the node to this container.
+
+```js
+const id = parser.id({value: 'search'});
+selector.append(id);
+```
+
+Arguments:
+
+* `node`: The node to add.
+
+### `container.insertBefore(old, new)` & `container.insertAfter(old, new)`
+
+Add a node before or after an existing node in a container:
+
+```js
+selectors.walk(selector => {
+    if (selector.type !== 'class') {
+        const className = parser.className({value: 'theme-name'});
+        selector.parent.insertAfter(selector, className);
+    }
+});
+```
+
+Arguments:
+
+* `old`: The existing node in the container.
+* `new`: The new node to add before/after the existing node.
+
+### `container.removeChild(node)`
+
+Remove the node from the container. Note that you can also use
+`node.remove()` if you would like to remove just a single node.
+
+```js
+selector.length // => 2
+selector.remove(id)
+selector.length // => 1;
+id.parent       // undefined
+```
+
+Arguments:
+
+* `node`: The node to remove.
+
+### `container.removeAll()` or `container.empty()`
+
+Remove all children from the container.
+
+```js
+selector.removeAll();
+selector.length // => 0
+```
+
+## Root nodes
+
+A root node represents a comma separated list of selectors. Indeed, all
+a root's `toString()` method does is join its selector children with a ','.
+Other than this, it has no special functionality and acts like a container.
+
+### `root.trailingComma`
+
+This will be set to `true` if the input has a trailing comma, in order to
+support parsing of legacy CSS hacks.
+
+## Selector nodes
+
+A selector node represents a single complex selector. For example, this
+selector string `h1 h2 h3, [href] > p`, is represented as two selector nodes.
+It has no special functionality of its own.
+
+## Pseudo nodes
+
+A pseudo selector extends a container node; if it has any parameters of its
+own (such as `h1:not(h2, h3)`), they will be its children. Note that the pseudo
+`value` will always contain the colons preceding the pseudo identifier. This
+is so that both `:before` and `::before` are properly represented in the AST.
+
+## Attribute nodes
+
+### `attribute.quoted`
+
+Returns `true` if the attribute's value is wrapped in quotation marks, false if it is not.
+Remains `undefined` if there is no attribute value.
+
+```css
+[href=foo] /* false */
+[href='foo'] /* true */
+[href="foo"] /* true */
+[href] /* undefined */
+```
+
+### `attribute.qualifiedAttribute`
+
+Returns the attribute name qualified with the namespace if one is given.
+
+### `attribute.offsetOf(part)`
+
+ Returns the offset of the attribute part specified relative to the
+ start of the node of the output string. This is useful in raising
+ error messages about a specific part of the attribute, especially
+ in combination with `attribute.sourceIndex`.
+
+ Returns `-1` if the name is invalid or the value doesn't exist in this
+ attribute.
+
+ The legal values for `part` are:
+
+ * `"ns"` - alias for "namespace"
+ * `"namespace"` - the namespace if it exists.
+ * `"attribute"` - the attribute name
+ * `"attributeNS"` - the start of the attribute or its namespace
+ * `"operator"` - the match operator of the attribute
+ * `"value"` - The value (string or identifier)
+ * `"insensitive"` - the case insensitivity flag
+
+### `attribute.raws.unquoted`
+
+Returns the unquoted content of the attribute's value.
+Remains `undefined` if there is no attribute value.
+
+```css
+[href=foo] /* foo */
+[href='foo'] /* foo */
+[href="foo"] /* foo */
+[href] /* undefined */
+```
+
+### `attribute.spaces`
+
+Like `node.spaces` with the `before` and `after` values containing the spaces
+around the element, the parts of the attribute can also have spaces before
+and after them. The for each of `attribute`, `operator`, `value` and
+`insensitive` there is corresponding property of the same nam in
+`node.spaces` that has an optional `before` or `after` string containing only
+whitespace.
+
+Note that corresponding values in `attributes.raws.spaces` contain values
+including any comments. If set, these values will override the
+`attribute.spaces` value. Take care to remove them if changing
+`attribute.spaces`.
+
+### `attribute.raws`
+
+The raws object stores comments and other information necessary to re-render
+the node exactly as it was in the source.
+
+If a comment is embedded within the identifiers for the `namespace`, `attribute`
+or `value` then a property is placed in the raws for that value containing the full source of the propery including comments.
+
+If a comment is embedded within the space between parts of the attribute
+then the raw for that space is set accordingly.
+
+Setting an attribute's property `raws` value to be deleted.
+
+For now, changing the spaces required also updating or removing any of the
+raws values that override them.
+
+Example: `[ /*before*/ href /* after-attr */ = /* after-operator */ te/*inside-value*/st/* wow */ /*omg*/i/*bbq*/ /*whodoesthis*/]` would parse as:
+
+```js
+{
+  attribute: "href",
+  operator: "=",
+  value: "test",
+  spaces: {
+    before: '',
+    after: '',
+    attribute: { before: '  ', after: '  ' },
+    operator: { after: '  ' },
+    value: { after: ' ' },
+    insensitive: { after: ' ' }
+  },
+  raws: {
+    spaces: {
+      attribute: { before: ' /*before*/ ', after: ' /* after-attr */ ' },
+      operator: { after: ' /* after-operator */ ' },
+      value: { after: '/* wow */ /*omg*/' },
+      insensitive: { after: '/*bbq*/ /*whodoesthis*/' }
+    },
+    unquoted: 'test',
+    value: 'te/*inside-value*/st'
+  }
+}
+```
+
+## `Processor`
+
+### `ProcessorOptions`
+
+* `lossless` - When `true`, whitespace is preserved. Defaults to `true`.
+* `updateSelector` - When `true`, if any processor methods are passed a postcss
+  `Rule` node instead of a string, then that Rule's selector is updated
+  with the results of the processing. Defaults to `true`.
+
+### `process|processSync(selectors, [options])`
+
+Processes the `selectors`, returning a string from the result of processing.
+
+Note: when the `updateSelector` option is set, the rule's selector
+will be updated with the resulting string.
+
+**Example:**
+
+```js
+const parser = require("postcss-selector-parser");
+const processor = parser();
+
+let result = processor.processSync(' .class');
+console.log(result);
+// =>  .class
+
+// Asynchronous operation
+let promise = processor.process(' .class').then(result => {
+    console.log(result)
+    // => .class
+});
+
+// To have the parser normalize whitespace values, utilize the options
+result = processor.processSync('  .class  ', {lossless: false});
+console.log(result);
+// => .class
+
+// For better syntax errors, pass a PostCSS Rule node.
+const postcss = require('postcss');
+rule = postcss.rule({selector: ' #foo    > a,  .class  '});
+processor.process(rule, {lossless: false, updateSelector: true}).then(result => {
+    console.log(result);
+    // => #foo>a,.class
+    console.log("rule:", rule.selector);
+    // => rule: #foo>a,.class
+})
+```
+
+Arguments:
+
+* `selectors (string|postcss.Rule)`: Either a selector string or a PostCSS Rule
+  node.
+* `[options] (object)`: Process options
+
+
+### `ast|astSync(selectors, [options])`
+
+Like `process()` and `processSync()` but after
+processing the `selectors` these methods return the `Root` node of the result
+instead of a string.
+
+Note: when the `updateSelector` option is set, the rule's selector
+will be updated with the resulting string.
+
+### `transform|transformSync(selectors, [options])`
+
+Like `process()` and `processSync()` but after
+processing the `selectors` these methods return the value returned by the
+processor callback.
+
+Note: when the `updateSelector` option is set, the rule's selector
+will be updated with the resulting string.
+
+### Error Handling Within Selector Processors
+
+The root node passed to the selector processor callback
+has a method `error(message, options)` that returns an
+error object. This method should always be used to raise
+errors relating to the syntax of selectors. The options
+to this method are passed to postcss's error constructor
+([documentation](http://api.postcss.org/Container.html#error)).
+
+#### Async Error Example
+
+```js
+let processor = (root) => {
+    return new Promise((resolve, reject) => {
+        root.walkClasses((classNode) => {
+            if (/^(.*)[-_]/.test(classNode.value)) {
+                let msg = "classes may not have underscores or dashes in them";
+                reject(root.error(msg, {
+                    index: classNode.sourceIndex + RegExp.$1.length + 1,
+                    word: classNode.value
+                }));
+            }
+        });
+        resolve();
+    });
+};
+
+const postcss = require("postcss");
+const parser = require("postcss-selector-parser");
+const selectorProcessor = parser(processor);
+const plugin = postcss.plugin('classValidator', (options) => {
+    return (root) => {
+        let promises = [];
+        root.walkRules(rule => {
+            promises.push(selectorProcessor.process(rule));
+        });
+        return Promise.all(promises);
+    };
+});
+postcss(plugin()).process(`
+.foo-bar {
+  color: red;
+}
+`.trim(), {from: 'test.css'}).catch((e) => console.error(e.toString()));
+
+// CssSyntaxError: classValidator: ./test.css:1:5: classes may not have underscores or dashes in them
+//
+// > 1 | .foo-bar {
+//     |     ^
+//   2 |   color: red;
+//   3 | }
+```
+
+#### Synchronous Error Example
+
+```js
+let processor = (root) => {
+    root.walkClasses((classNode) => {
+        if (/.*[-_]/.test(classNode.value)) {
+            let msg = "classes may not have underscores or dashes in them";
+            throw root.error(msg, {
+                index: classNode.sourceIndex,
+                word: classNode.value
+            });
+        }
+    });
+};
+
+const postcss = require("postcss");
+const parser = require("postcss-selector-parser");
+const selectorProcessor = parser(processor);
+const plugin = postcss.plugin('classValidator', (options) => {
+    return (root) => {
+        root.walkRules(rule => {
+            selectorProcessor.processSync(rule);
+        });
+    };
+});
+postcss(plugin()).process(`
+.foo-bar {
+  color: red;
+}
+`.trim(), {from: 'test.css'}).catch((e) => console.error(e.toString()));
+
+// CssSyntaxError: classValidator: ./test.css:1:5: classes may not have underscores or dashes in them
+//
+// > 1 | .foo-bar {
+//     |     ^
+//   2 |   color: red;
+//   3 | }
+```
diff --git a/deps/npm/node_modules/postcss-selector-parser/LICENSE-MIT b/deps/npm/node_modules/postcss-selector-parser/LICENSE-MIT
new file mode 100644
index 00000000000000..fd0e863a614fbc
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/LICENSE-MIT
@@ -0,0 +1,22 @@
+Copyright (c) Ben Briggs  (http://beneb.info)
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/index.js b/deps/npm/node_modules/postcss-selector-parser/dist/index.js
new file mode 100644
index 00000000000000..6e76a32bdd4426
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/index.js
@@ -0,0 +1,24 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _processor = _interopRequireDefault(require("./processor"));
+
+var selectors = _interopRequireWildcard(require("./selectors"));
+
+function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+var parser = function parser(processor) {
+  return new _processor["default"](processor);
+};
+
+Object.assign(parser, selectors);
+delete parser.__esModule;
+var _default = parser;
+exports["default"] = _default;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/parser.js b/deps/npm/node_modules/postcss-selector-parser/dist/parser.js
new file mode 100644
index 00000000000000..8af1cff1ba07ed
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/parser.js
@@ -0,0 +1,1243 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _root = _interopRequireDefault(require("./selectors/root"));
+
+var _selector = _interopRequireDefault(require("./selectors/selector"));
+
+var _className = _interopRequireDefault(require("./selectors/className"));
+
+var _comment = _interopRequireDefault(require("./selectors/comment"));
+
+var _id = _interopRequireDefault(require("./selectors/id"));
+
+var _tag = _interopRequireDefault(require("./selectors/tag"));
+
+var _string = _interopRequireDefault(require("./selectors/string"));
+
+var _pseudo = _interopRequireDefault(require("./selectors/pseudo"));
+
+var _attribute = _interopRequireWildcard(require("./selectors/attribute"));
+
+var _universal = _interopRequireDefault(require("./selectors/universal"));
+
+var _combinator = _interopRequireDefault(require("./selectors/combinator"));
+
+var _nesting = _interopRequireDefault(require("./selectors/nesting"));
+
+var _sortAscending = _interopRequireDefault(require("./sortAscending"));
+
+var _tokenize = _interopRequireWildcard(require("./tokenize"));
+
+var tokens = _interopRequireWildcard(require("./tokenTypes"));
+
+var types = _interopRequireWildcard(require("./selectors/types"));
+
+var _util = require("./util");
+
+var _WHITESPACE_TOKENS, _Object$assign;
+
+function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var WHITESPACE_TOKENS = (_WHITESPACE_TOKENS = {}, _WHITESPACE_TOKENS[tokens.space] = true, _WHITESPACE_TOKENS[tokens.cr] = true, _WHITESPACE_TOKENS[tokens.feed] = true, _WHITESPACE_TOKENS[tokens.newline] = true, _WHITESPACE_TOKENS[tokens.tab] = true, _WHITESPACE_TOKENS);
+var WHITESPACE_EQUIV_TOKENS = Object.assign({}, WHITESPACE_TOKENS, (_Object$assign = {}, _Object$assign[tokens.comment] = true, _Object$assign));
+
+function tokenStart(token) {
+  return {
+    line: token[_tokenize.FIELDS.START_LINE],
+    column: token[_tokenize.FIELDS.START_COL]
+  };
+}
+
+function tokenEnd(token) {
+  return {
+    line: token[_tokenize.FIELDS.END_LINE],
+    column: token[_tokenize.FIELDS.END_COL]
+  };
+}
+
+function getSource(startLine, startColumn, endLine, endColumn) {
+  return {
+    start: {
+      line: startLine,
+      column: startColumn
+    },
+    end: {
+      line: endLine,
+      column: endColumn
+    }
+  };
+}
+
+function getTokenSource(token) {
+  return getSource(token[_tokenize.FIELDS.START_LINE], token[_tokenize.FIELDS.START_COL], token[_tokenize.FIELDS.END_LINE], token[_tokenize.FIELDS.END_COL]);
+}
+
+function getTokenSourceSpan(startToken, endToken) {
+  if (!startToken) {
+    return undefined;
+  }
+
+  return getSource(startToken[_tokenize.FIELDS.START_LINE], startToken[_tokenize.FIELDS.START_COL], endToken[_tokenize.FIELDS.END_LINE], endToken[_tokenize.FIELDS.END_COL]);
+}
+
+function unescapeProp(node, prop) {
+  var value = node[prop];
+
+  if (typeof value !== "string") {
+    return;
+  }
+
+  if (value.indexOf("\\") !== -1) {
+    (0, _util.ensureObject)(node, 'raws');
+    node[prop] = (0, _util.unesc)(value);
+
+    if (node.raws[prop] === undefined) {
+      node.raws[prop] = value;
+    }
+  }
+
+  return node;
+}
+
+function indexesOf(array, item) {
+  var i = -1;
+  var indexes = [];
+
+  while ((i = array.indexOf(item, i + 1)) !== -1) {
+    indexes.push(i);
+  }
+
+  return indexes;
+}
+
+function uniqs() {
+  var list = Array.prototype.concat.apply([], arguments);
+  return list.filter(function (item, i) {
+    return i === list.indexOf(item);
+  });
+}
+
+var Parser = /*#__PURE__*/function () {
+  function Parser(rule, options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    this.rule = rule;
+    this.options = Object.assign({
+      lossy: false,
+      safe: false
+    }, options);
+    this.position = 0;
+    this.css = typeof this.rule === 'string' ? this.rule : this.rule.selector;
+    this.tokens = (0, _tokenize["default"])({
+      css: this.css,
+      error: this._errorGenerator(),
+      safe: this.options.safe
+    });
+    var rootSource = getTokenSourceSpan(this.tokens[0], this.tokens[this.tokens.length - 1]);
+    this.root = new _root["default"]({
+      source: rootSource
+    });
+    this.root.errorGenerator = this._errorGenerator();
+    var selector = new _selector["default"]({
+      source: {
+        start: {
+          line: 1,
+          column: 1
+        }
+      }
+    });
+    this.root.append(selector);
+    this.current = selector;
+    this.loop();
+  }
+
+  var _proto = Parser.prototype;
+
+  _proto._errorGenerator = function _errorGenerator() {
+    var _this = this;
+
+    return function (message, errorOptions) {
+      if (typeof _this.rule === 'string') {
+        return new Error(message);
+      }
+
+      return _this.rule.error(message, errorOptions);
+    };
+  };
+
+  _proto.attribute = function attribute() {
+    var attr = [];
+    var startingToken = this.currToken;
+    this.position++;
+
+    while (this.position < this.tokens.length && this.currToken[_tokenize.FIELDS.TYPE] !== tokens.closeSquare) {
+      attr.push(this.currToken);
+      this.position++;
+    }
+
+    if (this.currToken[_tokenize.FIELDS.TYPE] !== tokens.closeSquare) {
+      return this.expected('closing square bracket', this.currToken[_tokenize.FIELDS.START_POS]);
+    }
+
+    var len = attr.length;
+    var node = {
+      source: getSource(startingToken[1], startingToken[2], this.currToken[3], this.currToken[4]),
+      sourceIndex: startingToken[_tokenize.FIELDS.START_POS]
+    };
+
+    if (len === 1 && !~[tokens.word].indexOf(attr[0][_tokenize.FIELDS.TYPE])) {
+      return this.expected('attribute', attr[0][_tokenize.FIELDS.START_POS]);
+    }
+
+    var pos = 0;
+    var spaceBefore = '';
+    var commentBefore = '';
+    var lastAdded = null;
+    var spaceAfterMeaningfulToken = false;
+
+    while (pos < len) {
+      var token = attr[pos];
+      var content = this.content(token);
+      var next = attr[pos + 1];
+
+      switch (token[_tokenize.FIELDS.TYPE]) {
+        case tokens.space:
+          // if (
+          //     len === 1 ||
+          //     pos === 0 && this.content(next) === '|'
+          // ) {
+          //     return this.expected('attribute', token[TOKEN.START_POS], content);
+          // }
+          spaceAfterMeaningfulToken = true;
+
+          if (this.options.lossy) {
+            break;
+          }
+
+          if (lastAdded) {
+            (0, _util.ensureObject)(node, 'spaces', lastAdded);
+            var prevContent = node.spaces[lastAdded].after || '';
+            node.spaces[lastAdded].after = prevContent + content;
+            var existingComment = (0, _util.getProp)(node, 'raws', 'spaces', lastAdded, 'after') || null;
+
+            if (existingComment) {
+              node.raws.spaces[lastAdded].after = existingComment + content;
+            }
+          } else {
+            spaceBefore = spaceBefore + content;
+            commentBefore = commentBefore + content;
+          }
+
+          break;
+
+        case tokens.asterisk:
+          if (next[_tokenize.FIELDS.TYPE] === tokens.equals) {
+            node.operator = content;
+            lastAdded = 'operator';
+          } else if ((!node.namespace || lastAdded === "namespace" && !spaceAfterMeaningfulToken) && next) {
+            if (spaceBefore) {
+              (0, _util.ensureObject)(node, 'spaces', 'attribute');
+              node.spaces.attribute.before = spaceBefore;
+              spaceBefore = '';
+            }
+
+            if (commentBefore) {
+              (0, _util.ensureObject)(node, 'raws', 'spaces', 'attribute');
+              node.raws.spaces.attribute.before = spaceBefore;
+              commentBefore = '';
+            }
+
+            node.namespace = (node.namespace || "") + content;
+            var rawValue = (0, _util.getProp)(node, 'raws', 'namespace') || null;
+
+            if (rawValue) {
+              node.raws.namespace += content;
+            }
+
+            lastAdded = 'namespace';
+          }
+
+          spaceAfterMeaningfulToken = false;
+          break;
+
+        case tokens.dollar:
+          if (lastAdded === "value") {
+            var oldRawValue = (0, _util.getProp)(node, 'raws', 'value');
+            node.value += "$";
+
+            if (oldRawValue) {
+              node.raws.value = oldRawValue + "$";
+            }
+
+            break;
+          }
+
+        // Falls through
+
+        case tokens.caret:
+          if (next[_tokenize.FIELDS.TYPE] === tokens.equals) {
+            node.operator = content;
+            lastAdded = 'operator';
+          }
+
+          spaceAfterMeaningfulToken = false;
+          break;
+
+        case tokens.combinator:
+          if (content === '~' && next[_tokenize.FIELDS.TYPE] === tokens.equals) {
+            node.operator = content;
+            lastAdded = 'operator';
+          }
+
+          if (content !== '|') {
+            spaceAfterMeaningfulToken = false;
+            break;
+          }
+
+          if (next[_tokenize.FIELDS.TYPE] === tokens.equals) {
+            node.operator = content;
+            lastAdded = 'operator';
+          } else if (!node.namespace && !node.attribute) {
+            node.namespace = true;
+          }
+
+          spaceAfterMeaningfulToken = false;
+          break;
+
+        case tokens.word:
+          if (next && this.content(next) === '|' && attr[pos + 2] && attr[pos + 2][_tokenize.FIELDS.TYPE] !== tokens.equals && // this look-ahead probably fails with comment nodes involved.
+          !node.operator && !node.namespace) {
+            node.namespace = content;
+            lastAdded = 'namespace';
+          } else if (!node.attribute || lastAdded === "attribute" && !spaceAfterMeaningfulToken) {
+            if (spaceBefore) {
+              (0, _util.ensureObject)(node, 'spaces', 'attribute');
+              node.spaces.attribute.before = spaceBefore;
+              spaceBefore = '';
+            }
+
+            if (commentBefore) {
+              (0, _util.ensureObject)(node, 'raws', 'spaces', 'attribute');
+              node.raws.spaces.attribute.before = commentBefore;
+              commentBefore = '';
+            }
+
+            node.attribute = (node.attribute || "") + content;
+
+            var _rawValue = (0, _util.getProp)(node, 'raws', 'attribute') || null;
+
+            if (_rawValue) {
+              node.raws.attribute += content;
+            }
+
+            lastAdded = 'attribute';
+          } else if (!node.value && node.value !== "" || lastAdded === "value" && !spaceAfterMeaningfulToken) {
+            var _unescaped = (0, _util.unesc)(content);
+
+            var _oldRawValue = (0, _util.getProp)(node, 'raws', 'value') || '';
+
+            var oldValue = node.value || '';
+            node.value = oldValue + _unescaped;
+            node.quoteMark = null;
+
+            if (_unescaped !== content || _oldRawValue) {
+              (0, _util.ensureObject)(node, 'raws');
+              node.raws.value = (_oldRawValue || oldValue) + content;
+            }
+
+            lastAdded = 'value';
+          } else {
+            var insensitive = content === 'i' || content === "I";
+
+            if ((node.value || node.value === '') && (node.quoteMark || spaceAfterMeaningfulToken)) {
+              node.insensitive = insensitive;
+
+              if (!insensitive || content === "I") {
+                (0, _util.ensureObject)(node, 'raws');
+                node.raws.insensitiveFlag = content;
+              }
+
+              lastAdded = 'insensitive';
+
+              if (spaceBefore) {
+                (0, _util.ensureObject)(node, 'spaces', 'insensitive');
+                node.spaces.insensitive.before = spaceBefore;
+                spaceBefore = '';
+              }
+
+              if (commentBefore) {
+                (0, _util.ensureObject)(node, 'raws', 'spaces', 'insensitive');
+                node.raws.spaces.insensitive.before = commentBefore;
+                commentBefore = '';
+              }
+            } else if (node.value || node.value === '') {
+              lastAdded = 'value';
+              node.value += content;
+
+              if (node.raws.value) {
+                node.raws.value += content;
+              }
+            }
+          }
+
+          spaceAfterMeaningfulToken = false;
+          break;
+
+        case tokens.str:
+          if (!node.attribute || !node.operator) {
+            return this.error("Expected an attribute followed by an operator preceding the string.", {
+              index: token[_tokenize.FIELDS.START_POS]
+            });
+          }
+
+          var _unescapeValue = (0, _attribute.unescapeValue)(content),
+              unescaped = _unescapeValue.unescaped,
+              quoteMark = _unescapeValue.quoteMark;
+
+          node.value = unescaped;
+          node.quoteMark = quoteMark;
+          lastAdded = 'value';
+          (0, _util.ensureObject)(node, 'raws');
+          node.raws.value = content;
+          spaceAfterMeaningfulToken = false;
+          break;
+
+        case tokens.equals:
+          if (!node.attribute) {
+            return this.expected('attribute', token[_tokenize.FIELDS.START_POS], content);
+          }
+
+          if (node.value) {
+            return this.error('Unexpected "=" found; an operator was already defined.', {
+              index: token[_tokenize.FIELDS.START_POS]
+            });
+          }
+
+          node.operator = node.operator ? node.operator + content : content;
+          lastAdded = 'operator';
+          spaceAfterMeaningfulToken = false;
+          break;
+
+        case tokens.comment:
+          if (lastAdded) {
+            if (spaceAfterMeaningfulToken || next && next[_tokenize.FIELDS.TYPE] === tokens.space || lastAdded === 'insensitive') {
+              var lastComment = (0, _util.getProp)(node, 'spaces', lastAdded, 'after') || '';
+              var rawLastComment = (0, _util.getProp)(node, 'raws', 'spaces', lastAdded, 'after') || lastComment;
+              (0, _util.ensureObject)(node, 'raws', 'spaces', lastAdded);
+              node.raws.spaces[lastAdded].after = rawLastComment + content;
+            } else {
+              var lastValue = node[lastAdded] || '';
+              var rawLastValue = (0, _util.getProp)(node, 'raws', lastAdded) || lastValue;
+              (0, _util.ensureObject)(node, 'raws');
+              node.raws[lastAdded] = rawLastValue + content;
+            }
+          } else {
+            commentBefore = commentBefore + content;
+          }
+
+          break;
+
+        default:
+          return this.error("Unexpected \"" + content + "\" found.", {
+            index: token[_tokenize.FIELDS.START_POS]
+          });
+      }
+
+      pos++;
+    }
+
+    unescapeProp(node, "attribute");
+    unescapeProp(node, "namespace");
+    this.newNode(new _attribute["default"](node));
+    this.position++;
+  }
+  /**
+   * return a node containing meaningless garbage up to (but not including) the specified token position.
+   * if the token position is negative, all remaining tokens are consumed.
+   *
+   * This returns an array containing a single string node if all whitespace,
+   * otherwise an array of comment nodes with space before and after.
+   *
+   * These tokens are not added to the current selector, the caller can add them or use them to amend
+   * a previous node's space metadata.
+   *
+   * In lossy mode, this returns only comments.
+   */
+  ;
+
+  _proto.parseWhitespaceEquivalentTokens = function parseWhitespaceEquivalentTokens(stopPosition) {
+    if (stopPosition < 0) {
+      stopPosition = this.tokens.length;
+    }
+
+    var startPosition = this.position;
+    var nodes = [];
+    var space = "";
+    var lastComment = undefined;
+
+    do {
+      if (WHITESPACE_TOKENS[this.currToken[_tokenize.FIELDS.TYPE]]) {
+        if (!this.options.lossy) {
+          space += this.content();
+        }
+      } else if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.comment) {
+        var spaces = {};
+
+        if (space) {
+          spaces.before = space;
+          space = "";
+        }
+
+        lastComment = new _comment["default"]({
+          value: this.content(),
+          source: getTokenSource(this.currToken),
+          sourceIndex: this.currToken[_tokenize.FIELDS.START_POS],
+          spaces: spaces
+        });
+        nodes.push(lastComment);
+      }
+    } while (++this.position < stopPosition);
+
+    if (space) {
+      if (lastComment) {
+        lastComment.spaces.after = space;
+      } else if (!this.options.lossy) {
+        var firstToken = this.tokens[startPosition];
+        var lastToken = this.tokens[this.position - 1];
+        nodes.push(new _string["default"]({
+          value: '',
+          source: getSource(firstToken[_tokenize.FIELDS.START_LINE], firstToken[_tokenize.FIELDS.START_COL], lastToken[_tokenize.FIELDS.END_LINE], lastToken[_tokenize.FIELDS.END_COL]),
+          sourceIndex: firstToken[_tokenize.FIELDS.START_POS],
+          spaces: {
+            before: space,
+            after: ''
+          }
+        }));
+      }
+    }
+
+    return nodes;
+  }
+  /**
+   *
+   * @param {*} nodes
+   */
+  ;
+
+  _proto.convertWhitespaceNodesToSpace = function convertWhitespaceNodesToSpace(nodes, requiredSpace) {
+    var _this2 = this;
+
+    if (requiredSpace === void 0) {
+      requiredSpace = false;
+    }
+
+    var space = "";
+    var rawSpace = "";
+    nodes.forEach(function (n) {
+      var spaceBefore = _this2.lossySpace(n.spaces.before, requiredSpace);
+
+      var rawSpaceBefore = _this2.lossySpace(n.rawSpaceBefore, requiredSpace);
+
+      space += spaceBefore + _this2.lossySpace(n.spaces.after, requiredSpace && spaceBefore.length === 0);
+      rawSpace += spaceBefore + n.value + _this2.lossySpace(n.rawSpaceAfter, requiredSpace && rawSpaceBefore.length === 0);
+    });
+
+    if (rawSpace === space) {
+      rawSpace = undefined;
+    }
+
+    var result = {
+      space: space,
+      rawSpace: rawSpace
+    };
+    return result;
+  };
+
+  _proto.isNamedCombinator = function isNamedCombinator(position) {
+    if (position === void 0) {
+      position = this.position;
+    }
+
+    return this.tokens[position + 0] && this.tokens[position + 0][_tokenize.FIELDS.TYPE] === tokens.slash && this.tokens[position + 1] && this.tokens[position + 1][_tokenize.FIELDS.TYPE] === tokens.word && this.tokens[position + 2] && this.tokens[position + 2][_tokenize.FIELDS.TYPE] === tokens.slash;
+  };
+
+  _proto.namedCombinator = function namedCombinator() {
+    if (this.isNamedCombinator()) {
+      var nameRaw = this.content(this.tokens[this.position + 1]);
+      var name = (0, _util.unesc)(nameRaw).toLowerCase();
+      var raws = {};
+
+      if (name !== nameRaw) {
+        raws.value = "/" + nameRaw + "/";
+      }
+
+      var node = new _combinator["default"]({
+        value: "/" + name + "/",
+        source: getSource(this.currToken[_tokenize.FIELDS.START_LINE], this.currToken[_tokenize.FIELDS.START_COL], this.tokens[this.position + 2][_tokenize.FIELDS.END_LINE], this.tokens[this.position + 2][_tokenize.FIELDS.END_COL]),
+        sourceIndex: this.currToken[_tokenize.FIELDS.START_POS],
+        raws: raws
+      });
+      this.position = this.position + 3;
+      return node;
+    } else {
+      this.unexpected();
+    }
+  };
+
+  _proto.combinator = function combinator() {
+    var _this3 = this;
+
+    if (this.content() === '|') {
+      return this.namespace();
+    } // We need to decide between a space that's a descendant combinator and meaningless whitespace at the end of a selector.
+
+
+    var nextSigTokenPos = this.locateNextMeaningfulToken(this.position);
+
+    if (nextSigTokenPos < 0 || this.tokens[nextSigTokenPos][_tokenize.FIELDS.TYPE] === tokens.comma) {
+      var nodes = this.parseWhitespaceEquivalentTokens(nextSigTokenPos);
+
+      if (nodes.length > 0) {
+        var last = this.current.last;
+
+        if (last) {
+          var _this$convertWhitespa = this.convertWhitespaceNodesToSpace(nodes),
+              space = _this$convertWhitespa.space,
+              rawSpace = _this$convertWhitespa.rawSpace;
+
+          if (rawSpace !== undefined) {
+            last.rawSpaceAfter += rawSpace;
+          }
+
+          last.spaces.after += space;
+        } else {
+          nodes.forEach(function (n) {
+            return _this3.newNode(n);
+          });
+        }
+      }
+
+      return;
+    }
+
+    var firstToken = this.currToken;
+    var spaceOrDescendantSelectorNodes = undefined;
+
+    if (nextSigTokenPos > this.position) {
+      spaceOrDescendantSelectorNodes = this.parseWhitespaceEquivalentTokens(nextSigTokenPos);
+    }
+
+    var node;
+
+    if (this.isNamedCombinator()) {
+      node = this.namedCombinator();
+    } else if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.combinator) {
+      node = new _combinator["default"]({
+        value: this.content(),
+        source: getTokenSource(this.currToken),
+        sourceIndex: this.currToken[_tokenize.FIELDS.START_POS]
+      });
+      this.position++;
+    } else if (WHITESPACE_TOKENS[this.currToken[_tokenize.FIELDS.TYPE]]) {// pass
+    } else if (!spaceOrDescendantSelectorNodes) {
+      this.unexpected();
+    }
+
+    if (node) {
+      if (spaceOrDescendantSelectorNodes) {
+        var _this$convertWhitespa2 = this.convertWhitespaceNodesToSpace(spaceOrDescendantSelectorNodes),
+            _space = _this$convertWhitespa2.space,
+            _rawSpace = _this$convertWhitespa2.rawSpace;
+
+        node.spaces.before = _space;
+        node.rawSpaceBefore = _rawSpace;
+      }
+    } else {
+      // descendant combinator
+      var _this$convertWhitespa3 = this.convertWhitespaceNodesToSpace(spaceOrDescendantSelectorNodes, true),
+          _space2 = _this$convertWhitespa3.space,
+          _rawSpace2 = _this$convertWhitespa3.rawSpace;
+
+      if (!_rawSpace2) {
+        _rawSpace2 = _space2;
+      }
+
+      var spaces = {};
+      var raws = {
+        spaces: {}
+      };
+
+      if (_space2.endsWith(' ') && _rawSpace2.endsWith(' ')) {
+        spaces.before = _space2.slice(0, _space2.length - 1);
+        raws.spaces.before = _rawSpace2.slice(0, _rawSpace2.length - 1);
+      } else if (_space2.startsWith(' ') && _rawSpace2.startsWith(' ')) {
+        spaces.after = _space2.slice(1);
+        raws.spaces.after = _rawSpace2.slice(1);
+      } else {
+        raws.value = _rawSpace2;
+      }
+
+      node = new _combinator["default"]({
+        value: ' ',
+        source: getTokenSourceSpan(firstToken, this.tokens[this.position - 1]),
+        sourceIndex: firstToken[_tokenize.FIELDS.START_POS],
+        spaces: spaces,
+        raws: raws
+      });
+    }
+
+    if (this.currToken && this.currToken[_tokenize.FIELDS.TYPE] === tokens.space) {
+      node.spaces.after = this.optionalSpace(this.content());
+      this.position++;
+    }
+
+    return this.newNode(node);
+  };
+
+  _proto.comma = function comma() {
+    if (this.position === this.tokens.length - 1) {
+      this.root.trailingComma = true;
+      this.position++;
+      return;
+    }
+
+    this.current._inferEndPosition();
+
+    var selector = new _selector["default"]({
+      source: {
+        start: tokenStart(this.tokens[this.position + 1])
+      }
+    });
+    this.current.parent.append(selector);
+    this.current = selector;
+    this.position++;
+  };
+
+  _proto.comment = function comment() {
+    var current = this.currToken;
+    this.newNode(new _comment["default"]({
+      value: this.content(),
+      source: getTokenSource(current),
+      sourceIndex: current[_tokenize.FIELDS.START_POS]
+    }));
+    this.position++;
+  };
+
+  _proto.error = function error(message, opts) {
+    throw this.root.error(message, opts);
+  };
+
+  _proto.missingBackslash = function missingBackslash() {
+    return this.error('Expected a backslash preceding the semicolon.', {
+      index: this.currToken[_tokenize.FIELDS.START_POS]
+    });
+  };
+
+  _proto.missingParenthesis = function missingParenthesis() {
+    return this.expected('opening parenthesis', this.currToken[_tokenize.FIELDS.START_POS]);
+  };
+
+  _proto.missingSquareBracket = function missingSquareBracket() {
+    return this.expected('opening square bracket', this.currToken[_tokenize.FIELDS.START_POS]);
+  };
+
+  _proto.unexpected = function unexpected() {
+    return this.error("Unexpected '" + this.content() + "'. Escaping special characters with \\ may help.", this.currToken[_tokenize.FIELDS.START_POS]);
+  };
+
+  _proto.namespace = function namespace() {
+    var before = this.prevToken && this.content(this.prevToken) || true;
+
+    if (this.nextToken[_tokenize.FIELDS.TYPE] === tokens.word) {
+      this.position++;
+      return this.word(before);
+    } else if (this.nextToken[_tokenize.FIELDS.TYPE] === tokens.asterisk) {
+      this.position++;
+      return this.universal(before);
+    }
+  };
+
+  _proto.nesting = function nesting() {
+    if (this.nextToken) {
+      var nextContent = this.content(this.nextToken);
+
+      if (nextContent === "|") {
+        this.position++;
+        return;
+      }
+    }
+
+    var current = this.currToken;
+    this.newNode(new _nesting["default"]({
+      value: this.content(),
+      source: getTokenSource(current),
+      sourceIndex: current[_tokenize.FIELDS.START_POS]
+    }));
+    this.position++;
+  };
+
+  _proto.parentheses = function parentheses() {
+    var last = this.current.last;
+    var unbalanced = 1;
+    this.position++;
+
+    if (last && last.type === types.PSEUDO) {
+      var selector = new _selector["default"]({
+        source: {
+          start: tokenStart(this.tokens[this.position - 1])
+        }
+      });
+      var cache = this.current;
+      last.append(selector);
+      this.current = selector;
+
+      while (this.position < this.tokens.length && unbalanced) {
+        if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis) {
+          unbalanced++;
+        }
+
+        if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.closeParenthesis) {
+          unbalanced--;
+        }
+
+        if (unbalanced) {
+          this.parse();
+        } else {
+          this.current.source.end = tokenEnd(this.currToken);
+          this.current.parent.source.end = tokenEnd(this.currToken);
+          this.position++;
+        }
+      }
+
+      this.current = cache;
+    } else {
+      // I think this case should be an error. It's used to implement a basic parse of media queries
+      // but I don't think it's a good idea.
+      var parenStart = this.currToken;
+      var parenValue = "(";
+      var parenEnd;
+
+      while (this.position < this.tokens.length && unbalanced) {
+        if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis) {
+          unbalanced++;
+        }
+
+        if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.closeParenthesis) {
+          unbalanced--;
+        }
+
+        parenEnd = this.currToken;
+        parenValue += this.parseParenthesisToken(this.currToken);
+        this.position++;
+      }
+
+      if (last) {
+        last.appendToPropertyAndEscape("value", parenValue, parenValue);
+      } else {
+        this.newNode(new _string["default"]({
+          value: parenValue,
+          source: getSource(parenStart[_tokenize.FIELDS.START_LINE], parenStart[_tokenize.FIELDS.START_COL], parenEnd[_tokenize.FIELDS.END_LINE], parenEnd[_tokenize.FIELDS.END_COL]),
+          sourceIndex: parenStart[_tokenize.FIELDS.START_POS]
+        }));
+      }
+    }
+
+    if (unbalanced) {
+      return this.expected('closing parenthesis', this.currToken[_tokenize.FIELDS.START_POS]);
+    }
+  };
+
+  _proto.pseudo = function pseudo() {
+    var _this4 = this;
+
+    var pseudoStr = '';
+    var startingToken = this.currToken;
+
+    while (this.currToken && this.currToken[_tokenize.FIELDS.TYPE] === tokens.colon) {
+      pseudoStr += this.content();
+      this.position++;
+    }
+
+    if (!this.currToken) {
+      return this.expected(['pseudo-class', 'pseudo-element'], this.position - 1);
+    }
+
+    if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.word) {
+      this.splitWord(false, function (first, length) {
+        pseudoStr += first;
+
+        _this4.newNode(new _pseudo["default"]({
+          value: pseudoStr,
+          source: getTokenSourceSpan(startingToken, _this4.currToken),
+          sourceIndex: startingToken[_tokenize.FIELDS.START_POS]
+        }));
+
+        if (length > 1 && _this4.nextToken && _this4.nextToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis) {
+          _this4.error('Misplaced parenthesis.', {
+            index: _this4.nextToken[_tokenize.FIELDS.START_POS]
+          });
+        }
+      });
+    } else {
+      return this.expected(['pseudo-class', 'pseudo-element'], this.currToken[_tokenize.FIELDS.START_POS]);
+    }
+  };
+
+  _proto.space = function space() {
+    var content = this.content(); // Handle space before and after the selector
+
+    if (this.position === 0 || this.prevToken[_tokenize.FIELDS.TYPE] === tokens.comma || this.prevToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis || this.current.nodes.every(function (node) {
+      return node.type === 'comment';
+    })) {
+      this.spaces = this.optionalSpace(content);
+      this.position++;
+    } else if (this.position === this.tokens.length - 1 || this.nextToken[_tokenize.FIELDS.TYPE] === tokens.comma || this.nextToken[_tokenize.FIELDS.TYPE] === tokens.closeParenthesis) {
+      this.current.last.spaces.after = this.optionalSpace(content);
+      this.position++;
+    } else {
+      this.combinator();
+    }
+  };
+
+  _proto.string = function string() {
+    var current = this.currToken;
+    this.newNode(new _string["default"]({
+      value: this.content(),
+      source: getTokenSource(current),
+      sourceIndex: current[_tokenize.FIELDS.START_POS]
+    }));
+    this.position++;
+  };
+
+  _proto.universal = function universal(namespace) {
+    var nextToken = this.nextToken;
+
+    if (nextToken && this.content(nextToken) === '|') {
+      this.position++;
+      return this.namespace();
+    }
+
+    var current = this.currToken;
+    this.newNode(new _universal["default"]({
+      value: this.content(),
+      source: getTokenSource(current),
+      sourceIndex: current[_tokenize.FIELDS.START_POS]
+    }), namespace);
+    this.position++;
+  };
+
+  _proto.splitWord = function splitWord(namespace, firstCallback) {
+    var _this5 = this;
+
+    var nextToken = this.nextToken;
+    var word = this.content();
+
+    while (nextToken && ~[tokens.dollar, tokens.caret, tokens.equals, tokens.word].indexOf(nextToken[_tokenize.FIELDS.TYPE])) {
+      this.position++;
+      var current = this.content();
+      word += current;
+
+      if (current.lastIndexOf('\\') === current.length - 1) {
+        var next = this.nextToken;
+
+        if (next && next[_tokenize.FIELDS.TYPE] === tokens.space) {
+          word += this.requiredSpace(this.content(next));
+          this.position++;
+        }
+      }
+
+      nextToken = this.nextToken;
+    }
+
+    var hasClass = indexesOf(word, '.').filter(function (i) {
+      // Allow escaped dot within class name
+      var escapedDot = word[i - 1] === '\\'; // Allow decimal numbers percent in @keyframes
+
+      var isKeyframesPercent = /^\d+\.\d+%$/.test(word);
+      return !escapedDot && !isKeyframesPercent;
+    });
+    var hasId = indexesOf(word, '#').filter(function (i) {
+      return word[i - 1] !== '\\';
+    }); // Eliminate Sass interpolations from the list of id indexes
+
+    var interpolations = indexesOf(word, '#{');
+
+    if (interpolations.length) {
+      hasId = hasId.filter(function (hashIndex) {
+        return !~interpolations.indexOf(hashIndex);
+      });
+    }
+
+    var indices = (0, _sortAscending["default"])(uniqs([0].concat(hasClass, hasId)));
+    indices.forEach(function (ind, i) {
+      var index = indices[i + 1] || word.length;
+      var value = word.slice(ind, index);
+
+      if (i === 0 && firstCallback) {
+        return firstCallback.call(_this5, value, indices.length);
+      }
+
+      var node;
+      var current = _this5.currToken;
+      var sourceIndex = current[_tokenize.FIELDS.START_POS] + indices[i];
+      var source = getSource(current[1], current[2] + ind, current[3], current[2] + (index - 1));
+
+      if (~hasClass.indexOf(ind)) {
+        var classNameOpts = {
+          value: value.slice(1),
+          source: source,
+          sourceIndex: sourceIndex
+        };
+        node = new _className["default"](unescapeProp(classNameOpts, "value"));
+      } else if (~hasId.indexOf(ind)) {
+        var idOpts = {
+          value: value.slice(1),
+          source: source,
+          sourceIndex: sourceIndex
+        };
+        node = new _id["default"](unescapeProp(idOpts, "value"));
+      } else {
+        var tagOpts = {
+          value: value,
+          source: source,
+          sourceIndex: sourceIndex
+        };
+        unescapeProp(tagOpts, "value");
+        node = new _tag["default"](tagOpts);
+      }
+
+      _this5.newNode(node, namespace); // Ensure that the namespace is used only once
+
+
+      namespace = null;
+    });
+    this.position++;
+  };
+
+  _proto.word = function word(namespace) {
+    var nextToken = this.nextToken;
+
+    if (nextToken && this.content(nextToken) === '|') {
+      this.position++;
+      return this.namespace();
+    }
+
+    return this.splitWord(namespace);
+  };
+
+  _proto.loop = function loop() {
+    while (this.position < this.tokens.length) {
+      this.parse(true);
+    }
+
+    this.current._inferEndPosition();
+
+    return this.root;
+  };
+
+  _proto.parse = function parse(throwOnParenthesis) {
+    switch (this.currToken[_tokenize.FIELDS.TYPE]) {
+      case tokens.space:
+        this.space();
+        break;
+
+      case tokens.comment:
+        this.comment();
+        break;
+
+      case tokens.openParenthesis:
+        this.parentheses();
+        break;
+
+      case tokens.closeParenthesis:
+        if (throwOnParenthesis) {
+          this.missingParenthesis();
+        }
+
+        break;
+
+      case tokens.openSquare:
+        this.attribute();
+        break;
+
+      case tokens.dollar:
+      case tokens.caret:
+      case tokens.equals:
+      case tokens.word:
+        this.word();
+        break;
+
+      case tokens.colon:
+        this.pseudo();
+        break;
+
+      case tokens.comma:
+        this.comma();
+        break;
+
+      case tokens.asterisk:
+        this.universal();
+        break;
+
+      case tokens.ampersand:
+        this.nesting();
+        break;
+
+      case tokens.slash:
+      case tokens.combinator:
+        this.combinator();
+        break;
+
+      case tokens.str:
+        this.string();
+        break;
+      // These cases throw; no break needed.
+
+      case tokens.closeSquare:
+        this.missingSquareBracket();
+
+      case tokens.semicolon:
+        this.missingBackslash();
+
+      default:
+        this.unexpected();
+    }
+  }
+  /**
+   * Helpers
+   */
+  ;
+
+  _proto.expected = function expected(description, index, found) {
+    if (Array.isArray(description)) {
+      var last = description.pop();
+      description = description.join(', ') + " or " + last;
+    }
+
+    var an = /^[aeiou]/.test(description[0]) ? 'an' : 'a';
+
+    if (!found) {
+      return this.error("Expected " + an + " " + description + ".", {
+        index: index
+      });
+    }
+
+    return this.error("Expected " + an + " " + description + ", found \"" + found + "\" instead.", {
+      index: index
+    });
+  };
+
+  _proto.requiredSpace = function requiredSpace(space) {
+    return this.options.lossy ? ' ' : space;
+  };
+
+  _proto.optionalSpace = function optionalSpace(space) {
+    return this.options.lossy ? '' : space;
+  };
+
+  _proto.lossySpace = function lossySpace(space, required) {
+    if (this.options.lossy) {
+      return required ? ' ' : '';
+    } else {
+      return space;
+    }
+  };
+
+  _proto.parseParenthesisToken = function parseParenthesisToken(token) {
+    var content = this.content(token);
+
+    if (token[_tokenize.FIELDS.TYPE] === tokens.space) {
+      return this.requiredSpace(content);
+    } else {
+      return content;
+    }
+  };
+
+  _proto.newNode = function newNode(node, namespace) {
+    if (namespace) {
+      if (/^ +$/.test(namespace)) {
+        if (!this.options.lossy) {
+          this.spaces = (this.spaces || '') + namespace;
+        }
+
+        namespace = true;
+      }
+
+      node.namespace = namespace;
+      unescapeProp(node, "namespace");
+    }
+
+    if (this.spaces) {
+      node.spaces.before = this.spaces;
+      this.spaces = '';
+    }
+
+    return this.current.append(node);
+  };
+
+  _proto.content = function content(token) {
+    if (token === void 0) {
+      token = this.currToken;
+    }
+
+    return this.css.slice(token[_tokenize.FIELDS.START_POS], token[_tokenize.FIELDS.END_POS]);
+  };
+
+  /**
+   * returns the index of the next non-whitespace, non-comment token.
+   * returns -1 if no meaningful token is found.
+   */
+  _proto.locateNextMeaningfulToken = function locateNextMeaningfulToken(startPosition) {
+    if (startPosition === void 0) {
+      startPosition = this.position + 1;
+    }
+
+    var searchPosition = startPosition;
+
+    while (searchPosition < this.tokens.length) {
+      if (WHITESPACE_EQUIV_TOKENS[this.tokens[searchPosition][_tokenize.FIELDS.TYPE]]) {
+        searchPosition++;
+        continue;
+      } else {
+        return searchPosition;
+      }
+    }
+
+    return -1;
+  };
+
+  _createClass(Parser, [{
+    key: "currToken",
+    get: function get() {
+      return this.tokens[this.position];
+    }
+  }, {
+    key: "nextToken",
+    get: function get() {
+      return this.tokens[this.position + 1];
+    }
+  }, {
+    key: "prevToken",
+    get: function get() {
+      return this.tokens[this.position - 1];
+    }
+  }]);
+
+  return Parser;
+}();
+
+exports["default"] = Parser;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/processor.js b/deps/npm/node_modules/postcss-selector-parser/dist/processor.js
new file mode 100644
index 00000000000000..a00170c281f966
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/processor.js
@@ -0,0 +1,206 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _parser = _interopRequireDefault(require("./parser"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+var Processor = /*#__PURE__*/function () {
+  function Processor(func, options) {
+    this.func = func || function noop() {};
+
+    this.funcRes = null;
+    this.options = options;
+  }
+
+  var _proto = Processor.prototype;
+
+  _proto._shouldUpdateSelector = function _shouldUpdateSelector(rule, options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    var merged = Object.assign({}, this.options, options);
+
+    if (merged.updateSelector === false) {
+      return false;
+    } else {
+      return typeof rule !== "string";
+    }
+  };
+
+  _proto._isLossy = function _isLossy(options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    var merged = Object.assign({}, this.options, options);
+
+    if (merged.lossless === false) {
+      return true;
+    } else {
+      return false;
+    }
+  };
+
+  _proto._root = function _root(rule, options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    var parser = new _parser["default"](rule, this._parseOptions(options));
+    return parser.root;
+  };
+
+  _proto._parseOptions = function _parseOptions(options) {
+    return {
+      lossy: this._isLossy(options)
+    };
+  };
+
+  _proto._run = function _run(rule, options) {
+    var _this = this;
+
+    if (options === void 0) {
+      options = {};
+    }
+
+    return new Promise(function (resolve, reject) {
+      try {
+        var root = _this._root(rule, options);
+
+        Promise.resolve(_this.func(root)).then(function (transform) {
+          var string = undefined;
+
+          if (_this._shouldUpdateSelector(rule, options)) {
+            string = root.toString();
+            rule.selector = string;
+          }
+
+          return {
+            transform: transform,
+            root: root,
+            string: string
+          };
+        }).then(resolve, reject);
+      } catch (e) {
+        reject(e);
+        return;
+      }
+    });
+  };
+
+  _proto._runSync = function _runSync(rule, options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    var root = this._root(rule, options);
+
+    var transform = this.func(root);
+
+    if (transform && typeof transform.then === "function") {
+      throw new Error("Selector processor returned a promise to a synchronous call.");
+    }
+
+    var string = undefined;
+
+    if (options.updateSelector && typeof rule !== "string") {
+      string = root.toString();
+      rule.selector = string;
+    }
+
+    return {
+      transform: transform,
+      root: root,
+      string: string
+    };
+  }
+  /**
+   * Process rule into a selector AST.
+   *
+   * @param rule {postcss.Rule | string} The css selector to be processed
+   * @param options The options for processing
+   * @returns {Promise} The AST of the selector after processing it.
+   */
+  ;
+
+  _proto.ast = function ast(rule, options) {
+    return this._run(rule, options).then(function (result) {
+      return result.root;
+    });
+  }
+  /**
+   * Process rule into a selector AST synchronously.
+   *
+   * @param rule {postcss.Rule | string} The css selector to be processed
+   * @param options The options for processing
+   * @returns {parser.Root} The AST of the selector after processing it.
+   */
+  ;
+
+  _proto.astSync = function astSync(rule, options) {
+    return this._runSync(rule, options).root;
+  }
+  /**
+   * Process a selector into a transformed value asynchronously
+   *
+   * @param rule {postcss.Rule | string} The css selector to be processed
+   * @param options The options for processing
+   * @returns {Promise} The value returned by the processor.
+   */
+  ;
+
+  _proto.transform = function transform(rule, options) {
+    return this._run(rule, options).then(function (result) {
+      return result.transform;
+    });
+  }
+  /**
+   * Process a selector into a transformed value synchronously.
+   *
+   * @param rule {postcss.Rule | string} The css selector to be processed
+   * @param options The options for processing
+   * @returns {any} The value returned by the processor.
+   */
+  ;
+
+  _proto.transformSync = function transformSync(rule, options) {
+    return this._runSync(rule, options).transform;
+  }
+  /**
+   * Process a selector into a new selector string asynchronously.
+   *
+   * @param rule {postcss.Rule | string} The css selector to be processed
+   * @param options The options for processing
+   * @returns {string} the selector after processing.
+   */
+  ;
+
+  _proto.process = function process(rule, options) {
+    return this._run(rule, options).then(function (result) {
+      return result.string || result.root.toString();
+    });
+  }
+  /**
+   * Process a selector into a new selector string synchronously.
+   *
+   * @param rule {postcss.Rule | string} The css selector to be processed
+   * @param options The options for processing
+   * @returns {string} the selector after processing.
+   */
+  ;
+
+  _proto.processSync = function processSync(rule, options) {
+    var result = this._runSync(rule, options);
+
+    return result.string || result.root.toString();
+  };
+
+  return Processor;
+}();
+
+exports["default"] = Processor;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/attribute.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/attribute.js
new file mode 100644
index 00000000000000..8f535e5d731299
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/attribute.js
@@ -0,0 +1,515 @@
+"use strict";
+
+exports.__esModule = true;
+exports.unescapeValue = unescapeValue;
+exports["default"] = void 0;
+
+var _cssesc = _interopRequireDefault(require("cssesc"));
+
+var _unesc = _interopRequireDefault(require("../util/unesc"));
+
+var _namespace = _interopRequireDefault(require("./namespace"));
+
+var _types = require("./types");
+
+var _CSSESC_QUOTE_OPTIONS;
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var deprecate = require("util-deprecate");
+
+var WRAPPED_IN_QUOTES = /^('|")([^]*)\1$/;
+var warnOfDeprecatedValueAssignment = deprecate(function () {}, "Assigning an attribute a value containing characters that might need to be escaped is deprecated. " + "Call attribute.setValue() instead.");
+var warnOfDeprecatedQuotedAssignment = deprecate(function () {}, "Assigning attr.quoted is deprecated and has no effect. Assign to attr.quoteMark instead.");
+var warnOfDeprecatedConstructor = deprecate(function () {}, "Constructing an Attribute selector with a value without specifying quoteMark is deprecated. Note: The value should be unescaped now.");
+
+function unescapeValue(value) {
+  var deprecatedUsage = false;
+  var quoteMark = null;
+  var unescaped = value;
+  var m = unescaped.match(WRAPPED_IN_QUOTES);
+
+  if (m) {
+    quoteMark = m[1];
+    unescaped = m[2];
+  }
+
+  unescaped = (0, _unesc["default"])(unescaped);
+
+  if (unescaped !== value) {
+    deprecatedUsage = true;
+  }
+
+  return {
+    deprecatedUsage: deprecatedUsage,
+    unescaped: unescaped,
+    quoteMark: quoteMark
+  };
+}
+
+function handleDeprecatedContructorOpts(opts) {
+  if (opts.quoteMark !== undefined) {
+    return opts;
+  }
+
+  if (opts.value === undefined) {
+    return opts;
+  }
+
+  warnOfDeprecatedConstructor();
+
+  var _unescapeValue = unescapeValue(opts.value),
+      quoteMark = _unescapeValue.quoteMark,
+      unescaped = _unescapeValue.unescaped;
+
+  if (!opts.raws) {
+    opts.raws = {};
+  }
+
+  if (opts.raws.value === undefined) {
+    opts.raws.value = opts.value;
+  }
+
+  opts.value = unescaped;
+  opts.quoteMark = quoteMark;
+  return opts;
+}
+
+var Attribute = /*#__PURE__*/function (_Namespace) {
+  _inheritsLoose(Attribute, _Namespace);
+
+  function Attribute(opts) {
+    var _this;
+
+    if (opts === void 0) {
+      opts = {};
+    }
+
+    _this = _Namespace.call(this, handleDeprecatedContructorOpts(opts)) || this;
+    _this.type = _types.ATTRIBUTE;
+    _this.raws = _this.raws || {};
+    Object.defineProperty(_this.raws, 'unquoted', {
+      get: deprecate(function () {
+        return _this.value;
+      }, "attr.raws.unquoted is deprecated. Call attr.value instead."),
+      set: deprecate(function () {
+        return _this.value;
+      }, "Setting attr.raws.unquoted is deprecated and has no effect. attr.value is unescaped by default now.")
+    });
+    _this._constructed = true;
+    return _this;
+  }
+  /**
+   * Returns the Attribute's value quoted such that it would be legal to use
+   * in the value of a css file. The original value's quotation setting
+   * used for stringification is left unchanged. See `setValue(value, options)`
+   * if you want to control the quote settings of a new value for the attribute.
+   *
+   * You can also change the quotation used for the current value by setting quoteMark.
+   *
+   * Options:
+   *   * quoteMark {'"' | "'" | null} - Use this value to quote the value. If this
+   *     option is not set, the original value for quoteMark will be used. If
+   *     indeterminate, a double quote is used. The legal values are:
+   *     * `null` - the value will be unquoted and characters will be escaped as necessary.
+   *     * `'` - the value will be quoted with a single quote and single quotes are escaped.
+   *     * `"` - the value will be quoted with a double quote and double quotes are escaped.
+   *   * preferCurrentQuoteMark {boolean} - if true, prefer the source quote mark
+   *     over the quoteMark option value.
+   *   * smart {boolean} - if true, will select a quote mark based on the value
+   *     and the other options specified here. See the `smartQuoteMark()`
+   *     method.
+   **/
+
+
+  var _proto = Attribute.prototype;
+
+  _proto.getQuotedValue = function getQuotedValue(options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    var quoteMark = this._determineQuoteMark(options);
+
+    var cssescopts = CSSESC_QUOTE_OPTIONS[quoteMark];
+    var escaped = (0, _cssesc["default"])(this._value, cssescopts);
+    return escaped;
+  };
+
+  _proto._determineQuoteMark = function _determineQuoteMark(options) {
+    return options.smart ? this.smartQuoteMark(options) : this.preferredQuoteMark(options);
+  }
+  /**
+   * Set the unescaped value with the specified quotation options. The value
+   * provided must not include any wrapping quote marks -- those quotes will
+   * be interpreted as part of the value and escaped accordingly.
+   */
+  ;
+
+  _proto.setValue = function setValue(value, options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    this._value = value;
+    this._quoteMark = this._determineQuoteMark(options);
+
+    this._syncRawValue();
+  }
+  /**
+   * Intelligently select a quoteMark value based on the value's contents. If
+   * the value is a legal CSS ident, it will not be quoted. Otherwise a quote
+   * mark will be picked that minimizes the number of escapes.
+   *
+   * If there's no clear winner, the quote mark from these options is used,
+   * then the source quote mark (this is inverted if `preferCurrentQuoteMark` is
+   * true). If the quoteMark is unspecified, a double quote is used.
+   *
+   * @param options This takes the quoteMark and preferCurrentQuoteMark options
+   * from the quoteValue method.
+   */
+  ;
+
+  _proto.smartQuoteMark = function smartQuoteMark(options) {
+    var v = this.value;
+    var numSingleQuotes = v.replace(/[^']/g, '').length;
+    var numDoubleQuotes = v.replace(/[^"]/g, '').length;
+
+    if (numSingleQuotes + numDoubleQuotes === 0) {
+      var escaped = (0, _cssesc["default"])(v, {
+        isIdentifier: true
+      });
+
+      if (escaped === v) {
+        return Attribute.NO_QUOTE;
+      } else {
+        var pref = this.preferredQuoteMark(options);
+
+        if (pref === Attribute.NO_QUOTE) {
+          // pick a quote mark that isn't none and see if it's smaller
+          var quote = this.quoteMark || options.quoteMark || Attribute.DOUBLE_QUOTE;
+          var opts = CSSESC_QUOTE_OPTIONS[quote];
+          var quoteValue = (0, _cssesc["default"])(v, opts);
+
+          if (quoteValue.length < escaped.length) {
+            return quote;
+          }
+        }
+
+        return pref;
+      }
+    } else if (numDoubleQuotes === numSingleQuotes) {
+      return this.preferredQuoteMark(options);
+    } else if (numDoubleQuotes < numSingleQuotes) {
+      return Attribute.DOUBLE_QUOTE;
+    } else {
+      return Attribute.SINGLE_QUOTE;
+    }
+  }
+  /**
+   * Selects the preferred quote mark based on the options and the current quote mark value.
+   * If you want the quote mark to depend on the attribute value, call `smartQuoteMark(opts)`
+   * instead.
+   */
+  ;
+
+  _proto.preferredQuoteMark = function preferredQuoteMark(options) {
+    var quoteMark = options.preferCurrentQuoteMark ? this.quoteMark : options.quoteMark;
+
+    if (quoteMark === undefined) {
+      quoteMark = options.preferCurrentQuoteMark ? options.quoteMark : this.quoteMark;
+    }
+
+    if (quoteMark === undefined) {
+      quoteMark = Attribute.DOUBLE_QUOTE;
+    }
+
+    return quoteMark;
+  };
+
+  _proto._syncRawValue = function _syncRawValue() {
+    var rawValue = (0, _cssesc["default"])(this._value, CSSESC_QUOTE_OPTIONS[this.quoteMark]);
+
+    if (rawValue === this._value) {
+      if (this.raws) {
+        delete this.raws.value;
+      }
+    } else {
+      this.raws.value = rawValue;
+    }
+  };
+
+  _proto._handleEscapes = function _handleEscapes(prop, value) {
+    if (this._constructed) {
+      var escaped = (0, _cssesc["default"])(value, {
+        isIdentifier: true
+      });
+
+      if (escaped !== value) {
+        this.raws[prop] = escaped;
+      } else {
+        delete this.raws[prop];
+      }
+    }
+  };
+
+  _proto._spacesFor = function _spacesFor(name) {
+    var attrSpaces = {
+      before: '',
+      after: ''
+    };
+    var spaces = this.spaces[name] || {};
+    var rawSpaces = this.raws.spaces && this.raws.spaces[name] || {};
+    return Object.assign(attrSpaces, spaces, rawSpaces);
+  };
+
+  _proto._stringFor = function _stringFor(name, spaceName, concat) {
+    if (spaceName === void 0) {
+      spaceName = name;
+    }
+
+    if (concat === void 0) {
+      concat = defaultAttrConcat;
+    }
+
+    var attrSpaces = this._spacesFor(spaceName);
+
+    return concat(this.stringifyProperty(name), attrSpaces);
+  }
+  /**
+   * returns the offset of the attribute part specified relative to the
+   * start of the node of the output string.
+   *
+   * * "ns" - alias for "namespace"
+   * * "namespace" - the namespace if it exists.
+   * * "attribute" - the attribute name
+   * * "attributeNS" - the start of the attribute or its namespace
+   * * "operator" - the match operator of the attribute
+   * * "value" - The value (string or identifier)
+   * * "insensitive" - the case insensitivity flag;
+   * @param part One of the possible values inside an attribute.
+   * @returns -1 if the name is invalid or the value doesn't exist in this attribute.
+   */
+  ;
+
+  _proto.offsetOf = function offsetOf(name) {
+    var count = 1;
+
+    var attributeSpaces = this._spacesFor("attribute");
+
+    count += attributeSpaces.before.length;
+
+    if (name === "namespace" || name === "ns") {
+      return this.namespace ? count : -1;
+    }
+
+    if (name === "attributeNS") {
+      return count;
+    }
+
+    count += this.namespaceString.length;
+
+    if (this.namespace) {
+      count += 1;
+    }
+
+    if (name === "attribute") {
+      return count;
+    }
+
+    count += this.stringifyProperty("attribute").length;
+    count += attributeSpaces.after.length;
+
+    var operatorSpaces = this._spacesFor("operator");
+
+    count += operatorSpaces.before.length;
+    var operator = this.stringifyProperty("operator");
+
+    if (name === "operator") {
+      return operator ? count : -1;
+    }
+
+    count += operator.length;
+    count += operatorSpaces.after.length;
+
+    var valueSpaces = this._spacesFor("value");
+
+    count += valueSpaces.before.length;
+    var value = this.stringifyProperty("value");
+
+    if (name === "value") {
+      return value ? count : -1;
+    }
+
+    count += value.length;
+    count += valueSpaces.after.length;
+
+    var insensitiveSpaces = this._spacesFor("insensitive");
+
+    count += insensitiveSpaces.before.length;
+
+    if (name === "insensitive") {
+      return this.insensitive ? count : -1;
+    }
+
+    return -1;
+  };
+
+  _proto.toString = function toString() {
+    var _this2 = this;
+
+    var selector = [this.rawSpaceBefore, '['];
+    selector.push(this._stringFor('qualifiedAttribute', 'attribute'));
+
+    if (this.operator && (this.value || this.value === '')) {
+      selector.push(this._stringFor('operator'));
+      selector.push(this._stringFor('value'));
+      selector.push(this._stringFor('insensitiveFlag', 'insensitive', function (attrValue, attrSpaces) {
+        if (attrValue.length > 0 && !_this2.quoted && attrSpaces.before.length === 0 && !(_this2.spaces.value && _this2.spaces.value.after)) {
+          attrSpaces.before = " ";
+        }
+
+        return defaultAttrConcat(attrValue, attrSpaces);
+      }));
+    }
+
+    selector.push(']');
+    selector.push(this.rawSpaceAfter);
+    return selector.join('');
+  };
+
+  _createClass(Attribute, [{
+    key: "quoted",
+    get: function get() {
+      var qm = this.quoteMark;
+      return qm === "'" || qm === '"';
+    },
+    set: function set(value) {
+      warnOfDeprecatedQuotedAssignment();
+    }
+    /**
+     * returns a single (`'`) or double (`"`) quote character if the value is quoted.
+     * returns `null` if the value is not quoted.
+     * returns `undefined` if the quotation state is unknown (this can happen when
+     * the attribute is constructed without specifying a quote mark.)
+     */
+
+  }, {
+    key: "quoteMark",
+    get: function get() {
+      return this._quoteMark;
+    }
+    /**
+     * Set the quote mark to be used by this attribute's value.
+     * If the quote mark changes, the raw (escaped) value at `attr.raws.value` of the attribute
+     * value is updated accordingly.
+     *
+     * @param {"'" | '"' | null} quoteMark The quote mark or `null` if the value should be unquoted.
+     */
+    ,
+    set: function set(quoteMark) {
+      if (!this._constructed) {
+        this._quoteMark = quoteMark;
+        return;
+      }
+
+      if (this._quoteMark !== quoteMark) {
+        this._quoteMark = quoteMark;
+
+        this._syncRawValue();
+      }
+    }
+  }, {
+    key: "qualifiedAttribute",
+    get: function get() {
+      return this.qualifiedName(this.raws.attribute || this.attribute);
+    }
+  }, {
+    key: "insensitiveFlag",
+    get: function get() {
+      return this.insensitive ? 'i' : '';
+    }
+  }, {
+    key: "value",
+    get: function get() {
+      return this._value;
+    }
+    /**
+     * Before 3.0, the value had to be set to an escaped value including any wrapped
+     * quote marks. In 3.0, the semantics of `Attribute.value` changed so that the value
+     * is unescaped during parsing and any quote marks are removed.
+     *
+     * Because the ambiguity of this semantic change, if you set `attr.value = newValue`,
+     * a deprecation warning is raised when the new value contains any characters that would
+     * require escaping (including if it contains wrapped quotes).
+     *
+     * Instead, you should call `attr.setValue(newValue, opts)` and pass options that describe
+     * how the new value is quoted.
+     */
+    ,
+    set: function set(v) {
+      if (this._constructed) {
+        var _unescapeValue2 = unescapeValue(v),
+            deprecatedUsage = _unescapeValue2.deprecatedUsage,
+            unescaped = _unescapeValue2.unescaped,
+            quoteMark = _unescapeValue2.quoteMark;
+
+        if (deprecatedUsage) {
+          warnOfDeprecatedValueAssignment();
+        }
+
+        if (unescaped === this._value && quoteMark === this._quoteMark) {
+          return;
+        }
+
+        this._value = unescaped;
+        this._quoteMark = quoteMark;
+
+        this._syncRawValue();
+      } else {
+        this._value = v;
+      }
+    }
+  }, {
+    key: "attribute",
+    get: function get() {
+      return this._attribute;
+    },
+    set: function set(name) {
+      this._handleEscapes("attribute", name);
+
+      this._attribute = name;
+    }
+  }]);
+
+  return Attribute;
+}(_namespace["default"]);
+
+exports["default"] = Attribute;
+Attribute.NO_QUOTE = null;
+Attribute.SINGLE_QUOTE = "'";
+Attribute.DOUBLE_QUOTE = '"';
+var CSSESC_QUOTE_OPTIONS = (_CSSESC_QUOTE_OPTIONS = {
+  "'": {
+    quotes: 'single',
+    wrap: true
+  },
+  '"': {
+    quotes: 'double',
+    wrap: true
+  }
+}, _CSSESC_QUOTE_OPTIONS[null] = {
+  isIdentifier: true
+}, _CSSESC_QUOTE_OPTIONS);
+
+function defaultAttrConcat(attrValue, attrSpaces) {
+  return "" + attrSpaces.before + attrValue + attrSpaces.after;
+}
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/className.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/className.js
new file mode 100644
index 00000000000000..22409914cf728d
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/className.js
@@ -0,0 +1,69 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _cssesc = _interopRequireDefault(require("cssesc"));
+
+var _util = require("../util");
+
+var _node = _interopRequireDefault(require("./node"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var ClassName = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(ClassName, _Node);
+
+  function ClassName(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+    _this.type = _types.CLASS;
+    _this._constructed = true;
+    return _this;
+  }
+
+  var _proto = ClassName.prototype;
+
+  _proto.valueToString = function valueToString() {
+    return '.' + _Node.prototype.valueToString.call(this);
+  };
+
+  _createClass(ClassName, [{
+    key: "value",
+    get: function get() {
+      return this._value;
+    },
+    set: function set(v) {
+      if (this._constructed) {
+        var escaped = (0, _cssesc["default"])(v, {
+          isIdentifier: true
+        });
+
+        if (escaped !== v) {
+          (0, _util.ensureObject)(this, "raws");
+          this.raws.value = escaped;
+        } else if (this.raws) {
+          delete this.raws.value;
+        }
+      }
+
+      this._value = v;
+    }
+  }]);
+
+  return ClassName;
+}(_node["default"]);
+
+exports["default"] = ClassName;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/combinator.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/combinator.js
new file mode 100644
index 00000000000000..271ab4d3b1f446
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/combinator.js
@@ -0,0 +1,31 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _node = _interopRequireDefault(require("./node"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Combinator = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(Combinator, _Node);
+
+  function Combinator(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+    _this.type = _types.COMBINATOR;
+    return _this;
+  }
+
+  return Combinator;
+}(_node["default"]);
+
+exports["default"] = Combinator;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/comment.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/comment.js
new file mode 100644
index 00000000000000..e778094e110c2f
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/comment.js
@@ -0,0 +1,31 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _node = _interopRequireDefault(require("./node"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Comment = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(Comment, _Node);
+
+  function Comment(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+    _this.type = _types.COMMENT;
+    return _this;
+  }
+
+  return Comment;
+}(_node["default"]);
+
+exports["default"] = Comment;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/constructors.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/constructors.js
new file mode 100644
index 00000000000000..078023eb28f2d7
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/constructors.js
@@ -0,0 +1,102 @@
+"use strict";
+
+exports.__esModule = true;
+exports.universal = exports.tag = exports.string = exports.selector = exports.root = exports.pseudo = exports.nesting = exports.id = exports.comment = exports.combinator = exports.className = exports.attribute = void 0;
+
+var _attribute = _interopRequireDefault(require("./attribute"));
+
+var _className = _interopRequireDefault(require("./className"));
+
+var _combinator = _interopRequireDefault(require("./combinator"));
+
+var _comment = _interopRequireDefault(require("./comment"));
+
+var _id = _interopRequireDefault(require("./id"));
+
+var _nesting = _interopRequireDefault(require("./nesting"));
+
+var _pseudo = _interopRequireDefault(require("./pseudo"));
+
+var _root = _interopRequireDefault(require("./root"));
+
+var _selector = _interopRequireDefault(require("./selector"));
+
+var _string = _interopRequireDefault(require("./string"));
+
+var _tag = _interopRequireDefault(require("./tag"));
+
+var _universal = _interopRequireDefault(require("./universal"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+var attribute = function attribute(opts) {
+  return new _attribute["default"](opts);
+};
+
+exports.attribute = attribute;
+
+var className = function className(opts) {
+  return new _className["default"](opts);
+};
+
+exports.className = className;
+
+var combinator = function combinator(opts) {
+  return new _combinator["default"](opts);
+};
+
+exports.combinator = combinator;
+
+var comment = function comment(opts) {
+  return new _comment["default"](opts);
+};
+
+exports.comment = comment;
+
+var id = function id(opts) {
+  return new _id["default"](opts);
+};
+
+exports.id = id;
+
+var nesting = function nesting(opts) {
+  return new _nesting["default"](opts);
+};
+
+exports.nesting = nesting;
+
+var pseudo = function pseudo(opts) {
+  return new _pseudo["default"](opts);
+};
+
+exports.pseudo = pseudo;
+
+var root = function root(opts) {
+  return new _root["default"](opts);
+};
+
+exports.root = root;
+
+var selector = function selector(opts) {
+  return new _selector["default"](opts);
+};
+
+exports.selector = selector;
+
+var string = function string(opts) {
+  return new _string["default"](opts);
+};
+
+exports.string = string;
+
+var tag = function tag(opts) {
+  return new _tag["default"](opts);
+};
+
+exports.tag = tag;
+
+var universal = function universal(opts) {
+  return new _universal["default"](opts);
+};
+
+exports.universal = universal;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/container.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/container.js
new file mode 100644
index 00000000000000..cf6176d9be6dd5
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/container.js
@@ -0,0 +1,395 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _node = _interopRequireDefault(require("./node"));
+
+var types = _interopRequireWildcard(require("./types"));
+
+function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Container = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(Container, _Node);
+
+  function Container(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+
+    if (!_this.nodes) {
+      _this.nodes = [];
+    }
+
+    return _this;
+  }
+
+  var _proto = Container.prototype;
+
+  _proto.append = function append(selector) {
+    selector.parent = this;
+    this.nodes.push(selector);
+    return this;
+  };
+
+  _proto.prepend = function prepend(selector) {
+    selector.parent = this;
+    this.nodes.unshift(selector);
+    return this;
+  };
+
+  _proto.at = function at(index) {
+    return this.nodes[index];
+  };
+
+  _proto.index = function index(child) {
+    if (typeof child === 'number') {
+      return child;
+    }
+
+    return this.nodes.indexOf(child);
+  };
+
+  _proto.removeChild = function removeChild(child) {
+    child = this.index(child);
+    this.at(child).parent = undefined;
+    this.nodes.splice(child, 1);
+    var index;
+
+    for (var id in this.indexes) {
+      index = this.indexes[id];
+
+      if (index >= child) {
+        this.indexes[id] = index - 1;
+      }
+    }
+
+    return this;
+  };
+
+  _proto.removeAll = function removeAll() {
+    for (var _iterator = _createForOfIteratorHelperLoose(this.nodes), _step; !(_step = _iterator()).done;) {
+      var node = _step.value;
+      node.parent = undefined;
+    }
+
+    this.nodes = [];
+    return this;
+  };
+
+  _proto.empty = function empty() {
+    return this.removeAll();
+  };
+
+  _proto.insertAfter = function insertAfter(oldNode, newNode) {
+    newNode.parent = this;
+    var oldIndex = this.index(oldNode);
+    this.nodes.splice(oldIndex + 1, 0, newNode);
+    newNode.parent = this;
+    var index;
+
+    for (var id in this.indexes) {
+      index = this.indexes[id];
+
+      if (oldIndex <= index) {
+        this.indexes[id] = index + 1;
+      }
+    }
+
+    return this;
+  };
+
+  _proto.insertBefore = function insertBefore(oldNode, newNode) {
+    newNode.parent = this;
+    var oldIndex = this.index(oldNode);
+    this.nodes.splice(oldIndex, 0, newNode);
+    newNode.parent = this;
+    var index;
+
+    for (var id in this.indexes) {
+      index = this.indexes[id];
+
+      if (index <= oldIndex) {
+        this.indexes[id] = index + 1;
+      }
+    }
+
+    return this;
+  };
+
+  _proto._findChildAtPosition = function _findChildAtPosition(line, col) {
+    var found = undefined;
+    this.each(function (node) {
+      if (node.atPosition) {
+        var foundChild = node.atPosition(line, col);
+
+        if (foundChild) {
+          found = foundChild;
+          return false;
+        }
+      } else if (node.isAtPosition(line, col)) {
+        found = node;
+        return false;
+      }
+    });
+    return found;
+  }
+  /**
+   * Return the most specific node at the line and column number given.
+   * The source location is based on the original parsed location, locations aren't
+   * updated as selector nodes are mutated.
+   *
+   * Note that this location is relative to the location of the first character
+   * of the selector, and not the location of the selector in the overall document
+   * when used in conjunction with postcss.
+   *
+   * If not found, returns undefined.
+   * @param {number} line The line number of the node to find. (1-based index)
+   * @param {number} col  The column number of the node to find. (1-based index)
+   */
+  ;
+
+  _proto.atPosition = function atPosition(line, col) {
+    if (this.isAtPosition(line, col)) {
+      return this._findChildAtPosition(line, col) || this;
+    } else {
+      return undefined;
+    }
+  };
+
+  _proto._inferEndPosition = function _inferEndPosition() {
+    if (this.last && this.last.source && this.last.source.end) {
+      this.source = this.source || {};
+      this.source.end = this.source.end || {};
+      Object.assign(this.source.end, this.last.source.end);
+    }
+  };
+
+  _proto.each = function each(callback) {
+    if (!this.lastEach) {
+      this.lastEach = 0;
+    }
+
+    if (!this.indexes) {
+      this.indexes = {};
+    }
+
+    this.lastEach++;
+    var id = this.lastEach;
+    this.indexes[id] = 0;
+
+    if (!this.length) {
+      return undefined;
+    }
+
+    var index, result;
+
+    while (this.indexes[id] < this.length) {
+      index = this.indexes[id];
+      result = callback(this.at(index), index);
+
+      if (result === false) {
+        break;
+      }
+
+      this.indexes[id] += 1;
+    }
+
+    delete this.indexes[id];
+
+    if (result === false) {
+      return false;
+    }
+  };
+
+  _proto.walk = function walk(callback) {
+    return this.each(function (node, i) {
+      var result = callback(node, i);
+
+      if (result !== false && node.length) {
+        result = node.walk(callback);
+      }
+
+      if (result === false) {
+        return false;
+      }
+    });
+  };
+
+  _proto.walkAttributes = function walkAttributes(callback) {
+    var _this2 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.ATTRIBUTE) {
+        return callback.call(_this2, selector);
+      }
+    });
+  };
+
+  _proto.walkClasses = function walkClasses(callback) {
+    var _this3 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.CLASS) {
+        return callback.call(_this3, selector);
+      }
+    });
+  };
+
+  _proto.walkCombinators = function walkCombinators(callback) {
+    var _this4 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.COMBINATOR) {
+        return callback.call(_this4, selector);
+      }
+    });
+  };
+
+  _proto.walkComments = function walkComments(callback) {
+    var _this5 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.COMMENT) {
+        return callback.call(_this5, selector);
+      }
+    });
+  };
+
+  _proto.walkIds = function walkIds(callback) {
+    var _this6 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.ID) {
+        return callback.call(_this6, selector);
+      }
+    });
+  };
+
+  _proto.walkNesting = function walkNesting(callback) {
+    var _this7 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.NESTING) {
+        return callback.call(_this7, selector);
+      }
+    });
+  };
+
+  _proto.walkPseudos = function walkPseudos(callback) {
+    var _this8 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.PSEUDO) {
+        return callback.call(_this8, selector);
+      }
+    });
+  };
+
+  _proto.walkTags = function walkTags(callback) {
+    var _this9 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.TAG) {
+        return callback.call(_this9, selector);
+      }
+    });
+  };
+
+  _proto.walkUniversals = function walkUniversals(callback) {
+    var _this10 = this;
+
+    return this.walk(function (selector) {
+      if (selector.type === types.UNIVERSAL) {
+        return callback.call(_this10, selector);
+      }
+    });
+  };
+
+  _proto.split = function split(callback) {
+    var _this11 = this;
+
+    var current = [];
+    return this.reduce(function (memo, node, index) {
+      var split = callback.call(_this11, node);
+      current.push(node);
+
+      if (split) {
+        memo.push(current);
+        current = [];
+      } else if (index === _this11.length - 1) {
+        memo.push(current);
+      }
+
+      return memo;
+    }, []);
+  };
+
+  _proto.map = function map(callback) {
+    return this.nodes.map(callback);
+  };
+
+  _proto.reduce = function reduce(callback, memo) {
+    return this.nodes.reduce(callback, memo);
+  };
+
+  _proto.every = function every(callback) {
+    return this.nodes.every(callback);
+  };
+
+  _proto.some = function some(callback) {
+    return this.nodes.some(callback);
+  };
+
+  _proto.filter = function filter(callback) {
+    return this.nodes.filter(callback);
+  };
+
+  _proto.sort = function sort(callback) {
+    return this.nodes.sort(callback);
+  };
+
+  _proto.toString = function toString() {
+    return this.map(String).join('');
+  };
+
+  _createClass(Container, [{
+    key: "first",
+    get: function get() {
+      return this.at(0);
+    }
+  }, {
+    key: "last",
+    get: function get() {
+      return this.at(this.length - 1);
+    }
+  }, {
+    key: "length",
+    get: function get() {
+      return this.nodes.length;
+    }
+  }]);
+
+  return Container;
+}(_node["default"]);
+
+exports["default"] = Container;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/guards.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/guards.js
new file mode 100644
index 00000000000000..c949af57eb1fdf
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/guards.js
@@ -0,0 +1,64 @@
+"use strict";
+
+exports.__esModule = true;
+exports.isNode = isNode;
+exports.isPseudoElement = isPseudoElement;
+exports.isPseudoClass = isPseudoClass;
+exports.isContainer = isContainer;
+exports.isNamespace = isNamespace;
+exports.isUniversal = exports.isTag = exports.isString = exports.isSelector = exports.isRoot = exports.isPseudo = exports.isNesting = exports.isIdentifier = exports.isComment = exports.isCombinator = exports.isClassName = exports.isAttribute = void 0;
+
+var _types = require("./types");
+
+var _IS_TYPE;
+
+var IS_TYPE = (_IS_TYPE = {}, _IS_TYPE[_types.ATTRIBUTE] = true, _IS_TYPE[_types.CLASS] = true, _IS_TYPE[_types.COMBINATOR] = true, _IS_TYPE[_types.COMMENT] = true, _IS_TYPE[_types.ID] = true, _IS_TYPE[_types.NESTING] = true, _IS_TYPE[_types.PSEUDO] = true, _IS_TYPE[_types.ROOT] = true, _IS_TYPE[_types.SELECTOR] = true, _IS_TYPE[_types.STRING] = true, _IS_TYPE[_types.TAG] = true, _IS_TYPE[_types.UNIVERSAL] = true, _IS_TYPE);
+
+function isNode(node) {
+  return typeof node === "object" && IS_TYPE[node.type];
+}
+
+function isNodeType(type, node) {
+  return isNode(node) && node.type === type;
+}
+
+var isAttribute = isNodeType.bind(null, _types.ATTRIBUTE);
+exports.isAttribute = isAttribute;
+var isClassName = isNodeType.bind(null, _types.CLASS);
+exports.isClassName = isClassName;
+var isCombinator = isNodeType.bind(null, _types.COMBINATOR);
+exports.isCombinator = isCombinator;
+var isComment = isNodeType.bind(null, _types.COMMENT);
+exports.isComment = isComment;
+var isIdentifier = isNodeType.bind(null, _types.ID);
+exports.isIdentifier = isIdentifier;
+var isNesting = isNodeType.bind(null, _types.NESTING);
+exports.isNesting = isNesting;
+var isPseudo = isNodeType.bind(null, _types.PSEUDO);
+exports.isPseudo = isPseudo;
+var isRoot = isNodeType.bind(null, _types.ROOT);
+exports.isRoot = isRoot;
+var isSelector = isNodeType.bind(null, _types.SELECTOR);
+exports.isSelector = isSelector;
+var isString = isNodeType.bind(null, _types.STRING);
+exports.isString = isString;
+var isTag = isNodeType.bind(null, _types.TAG);
+exports.isTag = isTag;
+var isUniversal = isNodeType.bind(null, _types.UNIVERSAL);
+exports.isUniversal = isUniversal;
+
+function isPseudoElement(node) {
+  return isPseudo(node) && node.value && (node.value.startsWith("::") || node.value.toLowerCase() === ":before" || node.value.toLowerCase() === ":after" || node.value.toLowerCase() === ":first-letter" || node.value.toLowerCase() === ":first-line");
+}
+
+function isPseudoClass(node) {
+  return isPseudo(node) && !isPseudoElement(node);
+}
+
+function isContainer(node) {
+  return !!(isNode(node) && node.walk);
+}
+
+function isNamespace(node) {
+  return isAttribute(node) || isTag(node);
+}
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/id.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/id.js
new file mode 100644
index 00000000000000..4e83147e3c4efb
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/id.js
@@ -0,0 +1,37 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _node = _interopRequireDefault(require("./node"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var ID = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(ID, _Node);
+
+  function ID(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+    _this.type = _types.ID;
+    return _this;
+  }
+
+  var _proto = ID.prototype;
+
+  _proto.valueToString = function valueToString() {
+    return '#' + _Node.prototype.valueToString.call(this);
+  };
+
+  return ID;
+}(_node["default"]);
+
+exports["default"] = ID;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/index.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/index.js
new file mode 100644
index 00000000000000..1fe9b138a5a26e
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/index.js
@@ -0,0 +1,27 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _types = require("./types");
+
+Object.keys(_types).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (key in exports && exports[key] === _types[key]) return;
+  exports[key] = _types[key];
+});
+
+var _constructors = require("./constructors");
+
+Object.keys(_constructors).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (key in exports && exports[key] === _constructors[key]) return;
+  exports[key] = _constructors[key];
+});
+
+var _guards = require("./guards");
+
+Object.keys(_guards).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (key in exports && exports[key] === _guards[key]) return;
+  exports[key] = _guards[key];
+});
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/namespace.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/namespace.js
new file mode 100644
index 00000000000000..fd6c729e16661f
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/namespace.js
@@ -0,0 +1,101 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _cssesc = _interopRequireDefault(require("cssesc"));
+
+var _util = require("../util");
+
+var _node = _interopRequireDefault(require("./node"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Namespace = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(Namespace, _Node);
+
+  function Namespace() {
+    return _Node.apply(this, arguments) || this;
+  }
+
+  var _proto = Namespace.prototype;
+
+  _proto.qualifiedName = function qualifiedName(value) {
+    if (this.namespace) {
+      return this.namespaceString + "|" + value;
+    } else {
+      return value;
+    }
+  };
+
+  _proto.valueToString = function valueToString() {
+    return this.qualifiedName(_Node.prototype.valueToString.call(this));
+  };
+
+  _createClass(Namespace, [{
+    key: "namespace",
+    get: function get() {
+      return this._namespace;
+    },
+    set: function set(namespace) {
+      if (namespace === true || namespace === "*" || namespace === "&") {
+        this._namespace = namespace;
+
+        if (this.raws) {
+          delete this.raws.namespace;
+        }
+
+        return;
+      }
+
+      var escaped = (0, _cssesc["default"])(namespace, {
+        isIdentifier: true
+      });
+      this._namespace = namespace;
+
+      if (escaped !== namespace) {
+        (0, _util.ensureObject)(this, "raws");
+        this.raws.namespace = escaped;
+      } else if (this.raws) {
+        delete this.raws.namespace;
+      }
+    }
+  }, {
+    key: "ns",
+    get: function get() {
+      return this._namespace;
+    },
+    set: function set(namespace) {
+      this.namespace = namespace;
+    }
+  }, {
+    key: "namespaceString",
+    get: function get() {
+      if (this.namespace) {
+        var ns = this.stringifyProperty("namespace");
+
+        if (ns === true) {
+          return '';
+        } else {
+          return ns;
+        }
+      } else {
+        return '';
+      }
+    }
+  }]);
+
+  return Namespace;
+}(_node["default"]);
+
+exports["default"] = Namespace;
+;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/nesting.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/nesting.js
new file mode 100644
index 00000000000000..3288c78f2dddba
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/nesting.js
@@ -0,0 +1,32 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _node = _interopRequireDefault(require("./node"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Nesting = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(Nesting, _Node);
+
+  function Nesting(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+    _this.type = _types.NESTING;
+    _this.value = '&';
+    return _this;
+  }
+
+  return Nesting;
+}(_node["default"]);
+
+exports["default"] = Nesting;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/node.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/node.js
new file mode 100644
index 00000000000000..e8eca11c70ecf4
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/node.js
@@ -0,0 +1,239 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _util = require("../util");
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var cloneNode = function cloneNode(obj, parent) {
+  if (typeof obj !== 'object' || obj === null) {
+    return obj;
+  }
+
+  var cloned = new obj.constructor();
+
+  for (var i in obj) {
+    if (!obj.hasOwnProperty(i)) {
+      continue;
+    }
+
+    var value = obj[i];
+    var type = typeof value;
+
+    if (i === 'parent' && type === 'object') {
+      if (parent) {
+        cloned[i] = parent;
+      }
+    } else if (value instanceof Array) {
+      cloned[i] = value.map(function (j) {
+        return cloneNode(j, cloned);
+      });
+    } else {
+      cloned[i] = cloneNode(value, cloned);
+    }
+  }
+
+  return cloned;
+};
+
+var Node = /*#__PURE__*/function () {
+  function Node(opts) {
+    if (opts === void 0) {
+      opts = {};
+    }
+
+    Object.assign(this, opts);
+    this.spaces = this.spaces || {};
+    this.spaces.before = this.spaces.before || '';
+    this.spaces.after = this.spaces.after || '';
+  }
+
+  var _proto = Node.prototype;
+
+  _proto.remove = function remove() {
+    if (this.parent) {
+      this.parent.removeChild(this);
+    }
+
+    this.parent = undefined;
+    return this;
+  };
+
+  _proto.replaceWith = function replaceWith() {
+    if (this.parent) {
+      for (var index in arguments) {
+        this.parent.insertBefore(this, arguments[index]);
+      }
+
+      this.remove();
+    }
+
+    return this;
+  };
+
+  _proto.next = function next() {
+    return this.parent.at(this.parent.index(this) + 1);
+  };
+
+  _proto.prev = function prev() {
+    return this.parent.at(this.parent.index(this) - 1);
+  };
+
+  _proto.clone = function clone(overrides) {
+    if (overrides === void 0) {
+      overrides = {};
+    }
+
+    var cloned = cloneNode(this);
+
+    for (var name in overrides) {
+      cloned[name] = overrides[name];
+    }
+
+    return cloned;
+  }
+  /**
+   * Some non-standard syntax doesn't follow normal escaping rules for css.
+   * This allows non standard syntax to be appended to an existing property
+   * by specifying the escaped value. By specifying the escaped value,
+   * illegal characters are allowed to be directly inserted into css output.
+   * @param {string} name the property to set
+   * @param {any} value the unescaped value of the property
+   * @param {string} valueEscaped optional. the escaped value of the property.
+   */
+  ;
+
+  _proto.appendToPropertyAndEscape = function appendToPropertyAndEscape(name, value, valueEscaped) {
+    if (!this.raws) {
+      this.raws = {};
+    }
+
+    var originalValue = this[name];
+    var originalEscaped = this.raws[name];
+    this[name] = originalValue + value; // this may trigger a setter that updates raws, so it has to be set first.
+
+    if (originalEscaped || valueEscaped !== value) {
+      this.raws[name] = (originalEscaped || originalValue) + valueEscaped;
+    } else {
+      delete this.raws[name]; // delete any escaped value that was created by the setter.
+    }
+  }
+  /**
+   * Some non-standard syntax doesn't follow normal escaping rules for css.
+   * This allows the escaped value to be specified directly, allowing illegal
+   * characters to be directly inserted into css output.
+   * @param {string} name the property to set
+   * @param {any} value the unescaped value of the property
+   * @param {string} valueEscaped the escaped value of the property.
+   */
+  ;
+
+  _proto.setPropertyAndEscape = function setPropertyAndEscape(name, value, valueEscaped) {
+    if (!this.raws) {
+      this.raws = {};
+    }
+
+    this[name] = value; // this may trigger a setter that updates raws, so it has to be set first.
+
+    this.raws[name] = valueEscaped;
+  }
+  /**
+   * When you want a value to passed through to CSS directly. This method
+   * deletes the corresponding raw value causing the stringifier to fallback
+   * to the unescaped value.
+   * @param {string} name the property to set.
+   * @param {any} value The value that is both escaped and unescaped.
+   */
+  ;
+
+  _proto.setPropertyWithoutEscape = function setPropertyWithoutEscape(name, value) {
+    this[name] = value; // this may trigger a setter that updates raws, so it has to be set first.
+
+    if (this.raws) {
+      delete this.raws[name];
+    }
+  }
+  /**
+   *
+   * @param {number} line The number (starting with 1)
+   * @param {number} column The column number (starting with 1)
+   */
+  ;
+
+  _proto.isAtPosition = function isAtPosition(line, column) {
+    if (this.source && this.source.start && this.source.end) {
+      if (this.source.start.line > line) {
+        return false;
+      }
+
+      if (this.source.end.line < line) {
+        return false;
+      }
+
+      if (this.source.start.line === line && this.source.start.column > column) {
+        return false;
+      }
+
+      if (this.source.end.line === line && this.source.end.column < column) {
+        return false;
+      }
+
+      return true;
+    }
+
+    return undefined;
+  };
+
+  _proto.stringifyProperty = function stringifyProperty(name) {
+    return this.raws && this.raws[name] || this[name];
+  };
+
+  _proto.valueToString = function valueToString() {
+    return String(this.stringifyProperty("value"));
+  };
+
+  _proto.toString = function toString() {
+    return [this.rawSpaceBefore, this.valueToString(), this.rawSpaceAfter].join('');
+  };
+
+  _createClass(Node, [{
+    key: "rawSpaceBefore",
+    get: function get() {
+      var rawSpace = this.raws && this.raws.spaces && this.raws.spaces.before;
+
+      if (rawSpace === undefined) {
+        rawSpace = this.spaces && this.spaces.before;
+      }
+
+      return rawSpace || "";
+    },
+    set: function set(raw) {
+      (0, _util.ensureObject)(this, "raws", "spaces");
+      this.raws.spaces.before = raw;
+    }
+  }, {
+    key: "rawSpaceAfter",
+    get: function get() {
+      var rawSpace = this.raws && this.raws.spaces && this.raws.spaces.after;
+
+      if (rawSpace === undefined) {
+        rawSpace = this.spaces.after;
+      }
+
+      return rawSpace || "";
+    },
+    set: function set(raw) {
+      (0, _util.ensureObject)(this, "raws", "spaces");
+      this.raws.spaces.after = raw;
+    }
+  }]);
+
+  return Node;
+}();
+
+exports["default"] = Node;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/pseudo.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/pseudo.js
new file mode 100644
index 00000000000000..a0e7bca170a76d
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/pseudo.js
@@ -0,0 +1,38 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _container = _interopRequireDefault(require("./container"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Pseudo = /*#__PURE__*/function (_Container) {
+  _inheritsLoose(Pseudo, _Container);
+
+  function Pseudo(opts) {
+    var _this;
+
+    _this = _Container.call(this, opts) || this;
+    _this.type = _types.PSEUDO;
+    return _this;
+  }
+
+  var _proto = Pseudo.prototype;
+
+  _proto.toString = function toString() {
+    var params = this.length ? '(' + this.map(String).join(',') + ')' : '';
+    return [this.rawSpaceBefore, this.stringifyProperty("value"), params, this.rawSpaceAfter].join('');
+  };
+
+  return Pseudo;
+}(_container["default"]);
+
+exports["default"] = Pseudo;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/root.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/root.js
new file mode 100644
index 00000000000000..be5c2ccb2dac83
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/root.js
@@ -0,0 +1,60 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _container = _interopRequireDefault(require("./container"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Root = /*#__PURE__*/function (_Container) {
+  _inheritsLoose(Root, _Container);
+
+  function Root(opts) {
+    var _this;
+
+    _this = _Container.call(this, opts) || this;
+    _this.type = _types.ROOT;
+    return _this;
+  }
+
+  var _proto = Root.prototype;
+
+  _proto.toString = function toString() {
+    var str = this.reduce(function (memo, selector) {
+      memo.push(String(selector));
+      return memo;
+    }, []).join(',');
+    return this.trailingComma ? str + ',' : str;
+  };
+
+  _proto.error = function error(message, options) {
+    if (this._error) {
+      return this._error(message, options);
+    } else {
+      return new Error(message);
+    }
+  };
+
+  _createClass(Root, [{
+    key: "errorGenerator",
+    set: function set(handler) {
+      this._error = handler;
+    }
+  }]);
+
+  return Root;
+}(_container["default"]);
+
+exports["default"] = Root;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/selector.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/selector.js
new file mode 100644
index 00000000000000..699eeb6e546f91
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/selector.js
@@ -0,0 +1,31 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _container = _interopRequireDefault(require("./container"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Selector = /*#__PURE__*/function (_Container) {
+  _inheritsLoose(Selector, _Container);
+
+  function Selector(opts) {
+    var _this;
+
+    _this = _Container.call(this, opts) || this;
+    _this.type = _types.SELECTOR;
+    return _this;
+  }
+
+  return Selector;
+}(_container["default"]);
+
+exports["default"] = Selector;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/string.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/string.js
new file mode 100644
index 00000000000000..e61df30c74a0a3
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/string.js
@@ -0,0 +1,31 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _node = _interopRequireDefault(require("./node"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var String = /*#__PURE__*/function (_Node) {
+  _inheritsLoose(String, _Node);
+
+  function String(opts) {
+    var _this;
+
+    _this = _Node.call(this, opts) || this;
+    _this.type = _types.STRING;
+    return _this;
+  }
+
+  return String;
+}(_node["default"]);
+
+exports["default"] = String;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/tag.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/tag.js
new file mode 100644
index 00000000000000..e298db15fafd1f
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/tag.js
@@ -0,0 +1,31 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _namespace = _interopRequireDefault(require("./namespace"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Tag = /*#__PURE__*/function (_Namespace) {
+  _inheritsLoose(Tag, _Namespace);
+
+  function Tag(opts) {
+    var _this;
+
+    _this = _Namespace.call(this, opts) || this;
+    _this.type = _types.TAG;
+    return _this;
+  }
+
+  return Tag;
+}(_namespace["default"]);
+
+exports["default"] = Tag;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/types.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/types.js
new file mode 100644
index 00000000000000..ab897b8ce5c129
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/types.js
@@ -0,0 +1,28 @@
+"use strict";
+
+exports.__esModule = true;
+exports.UNIVERSAL = exports.ATTRIBUTE = exports.CLASS = exports.COMBINATOR = exports.COMMENT = exports.ID = exports.NESTING = exports.PSEUDO = exports.ROOT = exports.SELECTOR = exports.STRING = exports.TAG = void 0;
+var TAG = 'tag';
+exports.TAG = TAG;
+var STRING = 'string';
+exports.STRING = STRING;
+var SELECTOR = 'selector';
+exports.SELECTOR = SELECTOR;
+var ROOT = 'root';
+exports.ROOT = ROOT;
+var PSEUDO = 'pseudo';
+exports.PSEUDO = PSEUDO;
+var NESTING = 'nesting';
+exports.NESTING = NESTING;
+var ID = 'id';
+exports.ID = ID;
+var COMMENT = 'comment';
+exports.COMMENT = COMMENT;
+var COMBINATOR = 'combinator';
+exports.COMBINATOR = COMBINATOR;
+var CLASS = 'class';
+exports.CLASS = CLASS;
+var ATTRIBUTE = 'attribute';
+exports.ATTRIBUTE = ATTRIBUTE;
+var UNIVERSAL = 'universal';
+exports.UNIVERSAL = UNIVERSAL;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/selectors/universal.js b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/universal.js
new file mode 100644
index 00000000000000..cf25473d1c3d4d
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/selectors/universal.js
@@ -0,0 +1,32 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = void 0;
+
+var _namespace = _interopRequireDefault(require("./namespace"));
+
+var _types = require("./types");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+var Universal = /*#__PURE__*/function (_Namespace) {
+  _inheritsLoose(Universal, _Namespace);
+
+  function Universal(opts) {
+    var _this;
+
+    _this = _Namespace.call(this, opts) || this;
+    _this.type = _types.UNIVERSAL;
+    _this.value = '*';
+    return _this;
+  }
+
+  return Universal;
+}(_namespace["default"]);
+
+exports["default"] = Universal;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/sortAscending.js b/deps/npm/node_modules/postcss-selector-parser/dist/sortAscending.js
new file mode 100644
index 00000000000000..3ef56acc570c8f
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/sortAscending.js
@@ -0,0 +1,13 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = sortAscending;
+
+function sortAscending(list) {
+  return list.sort(function (a, b) {
+    return a - b;
+  });
+}
+
+;
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/tokenTypes.js b/deps/npm/node_modules/postcss-selector-parser/dist/tokenTypes.js
new file mode 100644
index 00000000000000..48314b93e00581
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/tokenTypes.js
@@ -0,0 +1,95 @@
+"use strict";
+
+exports.__esModule = true;
+exports.combinator = exports.word = exports.comment = exports.str = exports.tab = exports.newline = exports.feed = exports.cr = exports.backslash = exports.bang = exports.slash = exports.doubleQuote = exports.singleQuote = exports.space = exports.greaterThan = exports.pipe = exports.equals = exports.plus = exports.caret = exports.tilde = exports.dollar = exports.closeSquare = exports.openSquare = exports.closeParenthesis = exports.openParenthesis = exports.semicolon = exports.colon = exports.comma = exports.at = exports.asterisk = exports.ampersand = void 0;
+var ampersand = 38; // `&`.charCodeAt(0);
+
+exports.ampersand = ampersand;
+var asterisk = 42; // `*`.charCodeAt(0);
+
+exports.asterisk = asterisk;
+var at = 64; // `@`.charCodeAt(0);
+
+exports.at = at;
+var comma = 44; // `,`.charCodeAt(0);
+
+exports.comma = comma;
+var colon = 58; // `:`.charCodeAt(0);
+
+exports.colon = colon;
+var semicolon = 59; // `;`.charCodeAt(0);
+
+exports.semicolon = semicolon;
+var openParenthesis = 40; // `(`.charCodeAt(0);
+
+exports.openParenthesis = openParenthesis;
+var closeParenthesis = 41; // `)`.charCodeAt(0);
+
+exports.closeParenthesis = closeParenthesis;
+var openSquare = 91; // `[`.charCodeAt(0);
+
+exports.openSquare = openSquare;
+var closeSquare = 93; // `]`.charCodeAt(0);
+
+exports.closeSquare = closeSquare;
+var dollar = 36; // `$`.charCodeAt(0);
+
+exports.dollar = dollar;
+var tilde = 126; // `~`.charCodeAt(0);
+
+exports.tilde = tilde;
+var caret = 94; // `^`.charCodeAt(0);
+
+exports.caret = caret;
+var plus = 43; // `+`.charCodeAt(0);
+
+exports.plus = plus;
+var equals = 61; // `=`.charCodeAt(0);
+
+exports.equals = equals;
+var pipe = 124; // `|`.charCodeAt(0);
+
+exports.pipe = pipe;
+var greaterThan = 62; // `>`.charCodeAt(0);
+
+exports.greaterThan = greaterThan;
+var space = 32; // ` `.charCodeAt(0);
+
+exports.space = space;
+var singleQuote = 39; // `'`.charCodeAt(0);
+
+exports.singleQuote = singleQuote;
+var doubleQuote = 34; // `"`.charCodeAt(0);
+
+exports.doubleQuote = doubleQuote;
+var slash = 47; // `/`.charCodeAt(0);
+
+exports.slash = slash;
+var bang = 33; // `!`.charCodeAt(0);
+
+exports.bang = bang;
+var backslash = 92; // '\\'.charCodeAt(0);
+
+exports.backslash = backslash;
+var cr = 13; // '\r'.charCodeAt(0);
+
+exports.cr = cr;
+var feed = 12; // '\f'.charCodeAt(0);
+
+exports.feed = feed;
+var newline = 10; // '\n'.charCodeAt(0);
+
+exports.newline = newline;
+var tab = 9; // '\t'.charCodeAt(0);
+// Expose aliases primarily for readability.
+
+exports.tab = tab;
+var str = singleQuote; // No good single character representation!
+
+exports.str = str;
+var comment = -1;
+exports.comment = comment;
+var word = -2;
+exports.word = word;
+var combinator = -3;
+exports.combinator = combinator;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/tokenize.js b/deps/npm/node_modules/postcss-selector-parser/dist/tokenize.js
new file mode 100644
index 00000000000000..bee9fee632e84c
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/tokenize.js
@@ -0,0 +1,271 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = tokenize;
+exports.FIELDS = void 0;
+
+var t = _interopRequireWildcard(require("./tokenTypes"));
+
+var _unescapable, _wordDelimiters;
+
+function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
+var unescapable = (_unescapable = {}, _unescapable[t.tab] = true, _unescapable[t.newline] = true, _unescapable[t.cr] = true, _unescapable[t.feed] = true, _unescapable);
+var wordDelimiters = (_wordDelimiters = {}, _wordDelimiters[t.space] = true, _wordDelimiters[t.tab] = true, _wordDelimiters[t.newline] = true, _wordDelimiters[t.cr] = true, _wordDelimiters[t.feed] = true, _wordDelimiters[t.ampersand] = true, _wordDelimiters[t.asterisk] = true, _wordDelimiters[t.bang] = true, _wordDelimiters[t.comma] = true, _wordDelimiters[t.colon] = true, _wordDelimiters[t.semicolon] = true, _wordDelimiters[t.openParenthesis] = true, _wordDelimiters[t.closeParenthesis] = true, _wordDelimiters[t.openSquare] = true, _wordDelimiters[t.closeSquare] = true, _wordDelimiters[t.singleQuote] = true, _wordDelimiters[t.doubleQuote] = true, _wordDelimiters[t.plus] = true, _wordDelimiters[t.pipe] = true, _wordDelimiters[t.tilde] = true, _wordDelimiters[t.greaterThan] = true, _wordDelimiters[t.equals] = true, _wordDelimiters[t.dollar] = true, _wordDelimiters[t.caret] = true, _wordDelimiters[t.slash] = true, _wordDelimiters);
+var hex = {};
+var hexChars = "0123456789abcdefABCDEF";
+
+for (var i = 0; i < hexChars.length; i++) {
+  hex[hexChars.charCodeAt(i)] = true;
+}
+/**
+ *  Returns the last index of the bar css word
+ * @param {string} css The string in which the word begins
+ * @param {number} start The index into the string where word's first letter occurs
+ */
+
+
+function consumeWord(css, start) {
+  var next = start;
+  var code;
+
+  do {
+    code = css.charCodeAt(next);
+
+    if (wordDelimiters[code]) {
+      return next - 1;
+    } else if (code === t.backslash) {
+      next = consumeEscape(css, next) + 1;
+    } else {
+      // All other characters are part of the word
+      next++;
+    }
+  } while (next < css.length);
+
+  return next - 1;
+}
+/**
+ *  Returns the last index of the escape sequence
+ * @param {string} css The string in which the sequence begins
+ * @param {number} start The index into the string where escape character (`\`) occurs.
+ */
+
+
+function consumeEscape(css, start) {
+  var next = start;
+  var code = css.charCodeAt(next + 1);
+
+  if (unescapable[code]) {// just consume the escape char
+  } else if (hex[code]) {
+    var hexDigits = 0; // consume up to 6 hex chars
+
+    do {
+      next++;
+      hexDigits++;
+      code = css.charCodeAt(next + 1);
+    } while (hex[code] && hexDigits < 6); // if fewer than 6 hex chars, a trailing space ends the escape
+
+
+    if (hexDigits < 6 && code === t.space) {
+      next++;
+    }
+  } else {
+    // the next char is part of the current word
+    next++;
+  }
+
+  return next;
+}
+
+var FIELDS = {
+  TYPE: 0,
+  START_LINE: 1,
+  START_COL: 2,
+  END_LINE: 3,
+  END_COL: 4,
+  START_POS: 5,
+  END_POS: 6
+};
+exports.FIELDS = FIELDS;
+
+function tokenize(input) {
+  var tokens = [];
+  var css = input.css.valueOf();
+  var _css = css,
+      length = _css.length;
+  var offset = -1;
+  var line = 1;
+  var start = 0;
+  var end = 0;
+  var code, content, endColumn, endLine, escaped, escapePos, last, lines, next, nextLine, nextOffset, quote, tokenType;
+
+  function unclosed(what, fix) {
+    if (input.safe) {
+      // fyi: this is never set to true.
+      css += fix;
+      next = css.length - 1;
+    } else {
+      throw input.error('Unclosed ' + what, line, start - offset, start);
+    }
+  }
+
+  while (start < length) {
+    code = css.charCodeAt(start);
+
+    if (code === t.newline) {
+      offset = start;
+      line += 1;
+    }
+
+    switch (code) {
+      case t.space:
+      case t.tab:
+      case t.newline:
+      case t.cr:
+      case t.feed:
+        next = start;
+
+        do {
+          next += 1;
+          code = css.charCodeAt(next);
+
+          if (code === t.newline) {
+            offset = next;
+            line += 1;
+          }
+        } while (code === t.space || code === t.newline || code === t.tab || code === t.cr || code === t.feed);
+
+        tokenType = t.space;
+        endLine = line;
+        endColumn = next - offset - 1;
+        end = next;
+        break;
+
+      case t.plus:
+      case t.greaterThan:
+      case t.tilde:
+      case t.pipe:
+        next = start;
+
+        do {
+          next += 1;
+          code = css.charCodeAt(next);
+        } while (code === t.plus || code === t.greaterThan || code === t.tilde || code === t.pipe);
+
+        tokenType = t.combinator;
+        endLine = line;
+        endColumn = start - offset;
+        end = next;
+        break;
+      // Consume these characters as single tokens.
+
+      case t.asterisk:
+      case t.ampersand:
+      case t.bang:
+      case t.comma:
+      case t.equals:
+      case t.dollar:
+      case t.caret:
+      case t.openSquare:
+      case t.closeSquare:
+      case t.colon:
+      case t.semicolon:
+      case t.openParenthesis:
+      case t.closeParenthesis:
+        next = start;
+        tokenType = code;
+        endLine = line;
+        endColumn = start - offset;
+        end = next + 1;
+        break;
+
+      case t.singleQuote:
+      case t.doubleQuote:
+        quote = code === t.singleQuote ? "'" : '"';
+        next = start;
+
+        do {
+          escaped = false;
+          next = css.indexOf(quote, next + 1);
+
+          if (next === -1) {
+            unclosed('quote', quote);
+          }
+
+          escapePos = next;
+
+          while (css.charCodeAt(escapePos - 1) === t.backslash) {
+            escapePos -= 1;
+            escaped = !escaped;
+          }
+        } while (escaped);
+
+        tokenType = t.str;
+        endLine = line;
+        endColumn = start - offset;
+        end = next + 1;
+        break;
+
+      default:
+        if (code === t.slash && css.charCodeAt(start + 1) === t.asterisk) {
+          next = css.indexOf('*/', start + 2) + 1;
+
+          if (next === 0) {
+            unclosed('comment', '*/');
+          }
+
+          content = css.slice(start, next + 1);
+          lines = content.split('\n');
+          last = lines.length - 1;
+
+          if (last > 0) {
+            nextLine = line + last;
+            nextOffset = next - lines[last].length;
+          } else {
+            nextLine = line;
+            nextOffset = offset;
+          }
+
+          tokenType = t.comment;
+          line = nextLine;
+          endLine = nextLine;
+          endColumn = next - nextOffset;
+        } else if (code === t.slash) {
+          next = start;
+          tokenType = code;
+          endLine = line;
+          endColumn = start - offset;
+          end = next + 1;
+        } else {
+          next = consumeWord(css, start);
+          tokenType = t.word;
+          endLine = line;
+          endColumn = next - offset;
+        }
+
+        end = next + 1;
+        break;
+    } // Ensure that the token structure remains consistent
+
+
+    tokens.push([tokenType, // [0] Token type
+    line, // [1] Starting line
+    start - offset, // [2] Starting column
+    endLine, // [3] Ending line
+    endColumn, // [4] Ending column
+    start, // [5] Start position / Source index
+    end // [6] End position
+    ]); // Reset offset for the next token
+
+    if (nextOffset) {
+      offset = nextOffset;
+      nextOffset = null;
+    }
+
+    start = end;
+  }
+
+  return tokens;
+}
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/util/ensureObject.js b/deps/npm/node_modules/postcss-selector-parser/dist/util/ensureObject.js
new file mode 100644
index 00000000000000..3472e075228405
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/util/ensureObject.js
@@ -0,0 +1,22 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = ensureObject;
+
+function ensureObject(obj) {
+  for (var _len = arguments.length, props = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+    props[_key - 1] = arguments[_key];
+  }
+
+  while (props.length > 0) {
+    var prop = props.shift();
+
+    if (!obj[prop]) {
+      obj[prop] = {};
+    }
+
+    obj = obj[prop];
+  }
+}
+
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/util/getProp.js b/deps/npm/node_modules/postcss-selector-parser/dist/util/getProp.js
new file mode 100644
index 00000000000000..53e07c90253eb1
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/util/getProp.js
@@ -0,0 +1,24 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = getProp;
+
+function getProp(obj) {
+  for (var _len = arguments.length, props = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+    props[_key - 1] = arguments[_key];
+  }
+
+  while (props.length > 0) {
+    var prop = props.shift();
+
+    if (!obj[prop]) {
+      return undefined;
+    }
+
+    obj = obj[prop];
+  }
+
+  return obj;
+}
+
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/util/index.js b/deps/npm/node_modules/postcss-selector-parser/dist/util/index.js
new file mode 100644
index 00000000000000..043fda8c64b9a8
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/util/index.js
@@ -0,0 +1,22 @@
+"use strict";
+
+exports.__esModule = true;
+exports.stripComments = exports.ensureObject = exports.getProp = exports.unesc = void 0;
+
+var _unesc = _interopRequireDefault(require("./unesc"));
+
+exports.unesc = _unesc["default"];
+
+var _getProp = _interopRequireDefault(require("./getProp"));
+
+exports.getProp = _getProp["default"];
+
+var _ensureObject = _interopRequireDefault(require("./ensureObject"));
+
+exports.ensureObject = _ensureObject["default"];
+
+var _stripComments = _interopRequireDefault(require("./stripComments"));
+
+exports.stripComments = _stripComments["default"];
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/util/stripComments.js b/deps/npm/node_modules/postcss-selector-parser/dist/util/stripComments.js
new file mode 100644
index 00000000000000..c74f1fecdcc641
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/util/stripComments.js
@@ -0,0 +1,27 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = stripComments;
+
+function stripComments(str) {
+  var s = "";
+  var commentStart = str.indexOf("/*");
+  var lastEnd = 0;
+
+  while (commentStart >= 0) {
+    s = s + str.slice(lastEnd, commentStart);
+    var commentEnd = str.indexOf("*/", commentStart + 2);
+
+    if (commentEnd < 0) {
+      return s;
+    }
+
+    lastEnd = commentEnd + 2;
+    commentStart = str.indexOf("/*", lastEnd);
+  }
+
+  s = s + str.slice(lastEnd);
+  return s;
+}
+
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/dist/util/unesc.js b/deps/npm/node_modules/postcss-selector-parser/dist/util/unesc.js
new file mode 100644
index 00000000000000..e4fac839ddd035
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/dist/util/unesc.js
@@ -0,0 +1,93 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = unesc;
+
+// Many thanks for this post which made this migration much easier.
+// https://mathiasbynens.be/notes/css-escapes
+
+/**
+ *
+ * @param {string} str
+ * @returns {[string, number]|undefined}
+ */
+function gobbleHex(str) {
+  var lower = str.toLowerCase();
+  var hex = '';
+  var spaceTerminated = false;
+
+  for (var i = 0; i < 6 && lower[i] !== undefined; i++) {
+    var code = lower.charCodeAt(i); // check to see if we are dealing with a valid hex char [a-f|0-9]
+
+    var valid = code >= 97 && code <= 102 || code >= 48 && code <= 57; // https://drafts.csswg.org/css-syntax/#consume-escaped-code-point
+
+    spaceTerminated = code === 32;
+
+    if (!valid) {
+      break;
+    }
+
+    hex += lower[i];
+  }
+
+  if (hex.length === 0) {
+    return undefined;
+  }
+
+  var codePoint = parseInt(hex, 16);
+  var isSurrogate = codePoint >= 0xD800 && codePoint <= 0xDFFF; // Add special case for
+  // "If this number is zero, or is for a surrogate, or is greater than the maximum allowed code point"
+  // https://drafts.csswg.org/css-syntax/#maximum-allowed-code-point
+
+  if (isSurrogate || codePoint === 0x0000 || codePoint > 0x10FFFF) {
+    return ["\uFFFD", hex.length + (spaceTerminated ? 1 : 0)];
+  }
+
+  return [String.fromCodePoint(codePoint), hex.length + (spaceTerminated ? 1 : 0)];
+}
+
+var CONTAINS_ESCAPE = /\\/;
+
+function unesc(str) {
+  var needToProcess = CONTAINS_ESCAPE.test(str);
+
+  if (!needToProcess) {
+    return str;
+  }
+
+  var ret = "";
+
+  for (var i = 0; i < str.length; i++) {
+    if (str[i] === "\\") {
+      var gobbled = gobbleHex(str.slice(i + 1, i + 7));
+
+      if (gobbled !== undefined) {
+        ret += gobbled[0];
+        i += gobbled[1];
+        continue;
+      } // Retain a pair of \\ if double escaped `\\\\`
+      // https://github.com/postcss/postcss-selector-parser/commit/268c9a7656fb53f543dc620aa5b73a30ec3ff20e
+
+
+      if (str[i + 1] === "\\") {
+        ret += "\\";
+        i++;
+        continue;
+      } // if \\ is at the end of the string retain it
+      // https://github.com/postcss/postcss-selector-parser/commit/01a6b346e3612ce1ab20219acc26abdc259ccefb
+
+
+      if (str.length === i + 1) {
+        ret += str[i];
+      }
+
+      continue;
+    }
+
+    ret += str[i];
+  }
+
+  return ret;
+}
+
+module.exports = exports.default;
\ No newline at end of file
diff --git a/deps/npm/node_modules/postcss-selector-parser/package.json b/deps/npm/node_modules/postcss-selector-parser/package.json
new file mode 100644
index 00000000000000..a6f33589ba051d
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/package.json
@@ -0,0 +1,78 @@
+{
+  "name": "postcss-selector-parser",
+  "version": "6.0.10",
+  "devDependencies": {
+    "@babel/cli": "^7.11.6",
+    "@babel/core": "^7.11.6",
+    "@babel/eslint-parser": "^7.11.5",
+    "@babel/eslint-plugin": "^7.11.5",
+    "@babel/plugin-proposal-class-properties": "^7.10.4",
+    "@babel/preset-env": "^7.11.5",
+    "@babel/register": "^7.11.5",
+    "ava": "^3.12.1",
+    "babel-plugin-add-module-exports": "^1.0.4",
+    "coveralls": "^3.1.0",
+    "del-cli": "^3.0.1",
+    "eslint": "^7.9.0",
+    "eslint-plugin-import": "^2.22.0",
+    "glob": "^7.1.6",
+    "minimist": "^1.2.5",
+    "nyc": "^15.1.0",
+    "postcss": "^8.0.0",
+    "semver": "^7.3.2",
+    "typescript": "^4.0.3"
+  },
+  "main": "dist/index.js",
+  "types": "postcss-selector-parser.d.ts",
+  "files": [
+    "API.md",
+    "CHANGELOG.md",
+    "LICENSE-MIT",
+    "dist",
+    "postcss-selector-parser.d.ts",
+    "!**/__tests__"
+  ],
+  "scripts": {
+    "pretest": "eslint src && tsc --noEmit postcss-selector-parser.d.ts",
+    "prepare": "del-cli dist && BABEL_ENV=publish babel src --out-dir dist --ignore /__tests__/",
+    "lintfix": "eslint --fix src",
+    "report": "nyc report --reporter=html",
+    "test": "nyc ava src/__tests__/*.js ",
+    "testone": "ava"
+  },
+  "dependencies": {
+    "cssesc": "^3.0.0",
+    "util-deprecate": "^1.0.2"
+  },
+  "license": "MIT",
+  "engines": {
+    "node": ">=4"
+  },
+  "homepage": "https://github.com/postcss/postcss-selector-parser",
+  "contributors": [
+    {
+      "name": "Ben Briggs",
+      "email": "beneb.info@gmail.com",
+      "url": "http://beneb.info"
+    },
+    {
+      "name": "Chris Eppstein",
+      "email": "chris@eppsteins.net",
+      "url": "http://twitter.com/chriseppstein"
+    }
+  ],
+  "repository": "postcss/postcss-selector-parser",
+  "ava": {
+    "require": [
+      "@babel/register"
+    ],
+    "concurrency": 5,
+    "timeout": "25s"
+  },
+  "nyc": {
+    "exclude": [
+      "node_modules",
+      "**/__tests__"
+    ]
+  }
+}
diff --git a/deps/npm/node_modules/postcss-selector-parser/postcss-selector-parser.d.ts b/deps/npm/node_modules/postcss-selector-parser/postcss-selector-parser.d.ts
new file mode 100644
index 00000000000000..89a2c5239edb16
--- /dev/null
+++ b/deps/npm/node_modules/postcss-selector-parser/postcss-selector-parser.d.ts
@@ -0,0 +1,555 @@
+// Type definitions for postcss-selector-parser 2.2.3
+// Definitions by: Chris Eppstein 
+
+/*~ Note that ES6 modules cannot directly export callable functions.
+ *~ This file should be imported using the CommonJS-style:
+ *~   import x = require('someLibrary');
+ *~
+ *~ Refer to the documentation to understand common
+ *~ workarounds for this limitation of ES6 modules.
+ */
+
+/*~ This declaration specifies that the function
+ *~ is the exported object from the file
+ */
+export = parser;
+
+// A type that's T but not U.
+type Diff = T extends U ? never : T;
+
+// TODO: Conditional types in TS 1.8 will really clean this up.
+declare function parser(): parser.Processor;
+declare function parser(processor: parser.AsyncProcessor): parser.Processor;
+declare function parser(processor: parser.AsyncProcessor): parser.Processor;
+declare function parser(processor: parser.SyncProcessor): parser.Processor;
+declare function parser(processor: parser.SyncProcessor): parser.Processor;
+declare function parser(processor?: parser.SyncProcessor | parser.AsyncProcessor): parser.Processor;
+
+/*~ If you want to expose types from your module as well, you can
+ *~ place them in this block. Often you will want to describe the
+ *~ shape of the return type of the function; that type should
+ *~ be declared in here, as this example shows.
+ */
+declare namespace parser {
+    /* copied from postcss -- so we don't need to add a dependency */
+    type ErrorOptions = {
+        plugin?: string;
+        word?: string;
+        index?: number
+    };
+    /* the bits we use of postcss.Rule, copied from postcss -- so we don't need to add a dependency */
+    type PostCSSRuleNode = {
+        selector: string
+        /**
+         * @returns postcss.CssSyntaxError but it's a complex object, caller
+         *   should cast to it if they have a dependency on postcss.
+         */
+        error(message: string, options?: ErrorOptions): Error;
+    };
+    /** Accepts a string  */
+    type Selectors = string | PostCSSRuleNode
+    type ProcessorFn = (root: parser.Root) => ReturnType;
+    type SyncProcessor = ProcessorFn;
+    type AsyncProcessor = ProcessorFn>;
+
+    const TAG: "tag";
+    const STRING: "string";
+    const SELECTOR: "selector";
+    const ROOT: "root";
+    const PSEUDO: "pseudo";
+    const NESTING: "nesting";
+    const ID: "id";
+    const COMMENT: "comment";
+    const COMBINATOR: "combinator";
+    const CLASS: "class";
+    const ATTRIBUTE: "attribute";
+    const UNIVERSAL: "universal";
+
+    interface NodeTypes {
+        tag: Tag,
+        string: String,
+        selector: Selector,
+        root: Root,
+        pseudo: Pseudo,
+        nesting: Nesting,
+        id: Identifier,
+        comment: Comment,
+        combinator: Combinator,
+        class: ClassName,
+        attribute: Attribute,
+        universal: Universal
+    }
+
+    type Node = NodeTypes[keyof NodeTypes];
+
+    function isNode(node: any): node is Node;
+
+    interface Options {
+        /**
+         * Preserve whitespace when true. Default: false;
+         */
+        lossless: boolean;
+        /**
+         * When true and a postcss.Rule is passed, set the result of
+         * processing back onto the rule when done. Default: false.
+         */
+        updateSelector: boolean;
+    }
+    class Processor<
+        TransformType = never,
+        SyncSelectorsType extends Selectors | never = Selectors
+    > {
+        res: Root;
+        readonly result: String;
+        ast(selectors: Selectors, options?: Partial): Promise;
+        astSync(selectors: SyncSelectorsType, options?: Partial): Root;
+        transform(selectors: Selectors, options?: Partial): Promise;
+        transformSync(selectors: SyncSelectorsType, options?: Partial): TransformType;
+        process(selectors: Selectors, options?: Partial): Promise;
+        processSync(selectors: SyncSelectorsType, options?: Partial): string;
+    }
+    interface ParserOptions {
+        css: string;
+        error: (message: string, options: ErrorOptions) => Error;
+        options: Options;
+    }
+    class Parser {
+        input: ParserOptions;
+        lossy: boolean;
+        position: number;
+        root: Root;
+        selectors: string;
+        current: Selector;
+        constructor(input: ParserOptions);
+        /**
+         * Raises an error, if the processor is invoked on
+         * a postcss Rule node, a better error message is raised.
+         */
+        error(message: string, options?: ErrorOptions): void;
+    }
+    interface NodeSource {
+        start?: {
+            line: number,
+            column: number
+        },
+        end?: {
+            line: number,
+            column: number
+        }
+    }
+    interface SpaceAround {
+      before: string;
+      after: string;
+    }
+    interface Spaces extends SpaceAround {
+      [spaceType: string]: string | Partial | undefined;
+    }
+    interface NodeOptions {
+        value: Value;
+        spaces?: Partial;
+        source?: NodeSource;
+        sourceIndex?: number;
+    }
+    interface Base<
+        Value extends string | undefined = string,
+        ParentType extends Container | undefined = Container | undefined
+    > {
+        type: keyof NodeTypes;
+        parent: ParentType;
+        value: Value;
+        spaces: Spaces;
+        source?: NodeSource;
+        sourceIndex: number;
+        rawSpaceBefore: string;
+        rawSpaceAfter: string;
+        remove(): Node;
+        replaceWith(...nodes: Node[]): Node;
+        next(): Node;
+        prev(): Node;
+        clone(opts: {[override: string]:any}): Node;
+        /**
+         * Return whether this node includes the character at the position of the given line and column.
+         * Returns undefined if the nodes lack sufficient source metadata to determine the position.
+         * @param line 1-index based line number relative to the start of the selector.
+         * @param column 1-index based column number relative to the start of the selector.
+         */
+        isAtPosition(line: number, column: number): boolean | undefined;
+        /**
+         * Some non-standard syntax doesn't follow normal escaping rules for css,
+         * this allows the escaped value to be specified directly, allowing illegal characters to be
+         * directly inserted into css output.
+         * @param name the property to set
+         * @param value the unescaped value of the property
+         * @param valueEscaped optional. the escaped value of the property.
+         */
+        setPropertyAndEscape(name: string, value: any, valueEscaped: string): void;
+        /**
+         * When you want a value to passed through to CSS directly. This method
+         * deletes the corresponding raw value causing the stringifier to fallback
+         * to the unescaped value.
+         * @param name the property to set.
+         * @param value The value that is both escaped and unescaped.
+         */
+        setPropertyWithoutEscape(name: string, value: any): void;
+        /**
+         * Some non-standard syntax doesn't follow normal escaping rules for css.
+         * This allows non standard syntax to be appended to an existing property
+         * by specifying the escaped value. By specifying the escaped value,
+         * illegal characters are allowed to be directly inserted into css output.
+         * @param {string} name the property to set
+         * @param {any} value the unescaped value of the property
+         * @param {string} valueEscaped optional. the escaped value of the property.
+         */
+        appendToPropertyAndEscape(name: string, value: any, valueEscaped: string): void;
+        toString(): string;
+    }
+    interface ContainerOptions extends NodeOptions {
+        nodes?: Array;
+    }
+    interface Container<
+        Value extends string | undefined = string,
+        Child extends Node = Node
+    > extends Base {
+        nodes: Array;
+        append(selector: Selector): this;
+        prepend(selector: Selector): this;
+        at(index: number): Child;
+        /**
+         * Return the most specific node at the line and column number given.
+         * The source location is based on the original parsed location, locations aren't
+         * updated as selector nodes are mutated.
+         *
+         * Note that this location is relative to the location of the first character
+         * of the selector, and not the location of the selector in the overall document
+         * when used in conjunction with postcss.
+         *
+         * If not found, returns undefined.
+         * @param line The line number of the node to find. (1-based index)
+         * @param col  The column number of the node to find. (1-based index)
+         */
+        atPosition(line: number, column: number): Child;
+        index(child: Child): number;
+        readonly first: Child;
+        readonly last: Child;
+        readonly length: number;
+        removeChild(child: Child): this;
+        removeAll(): Container;
+        empty(): Container;
+        insertAfter(oldNode: Child, newNode: Child): this;
+        insertBefore(oldNode: Child, newNode: Child): this;
+        each(callback: (node: Child) => boolean | void): boolean | undefined;
+        walk(
+            callback: (node: Node) => boolean | void
+        ): boolean | undefined;
+        walkAttributes(
+            callback: (node: Attribute) => boolean | void
+        ): boolean | undefined;
+        walkClasses(
+            callback: (node: ClassName) => boolean | void
+        ): boolean | undefined;
+        walkCombinators(
+            callback: (node: Combinator) => boolean | void
+        ): boolean | undefined;
+        walkComments(
+            callback: (node: Comment) => boolean | void
+        ): boolean | undefined;
+        walkIds(
+            callback: (node: Identifier) => boolean | void
+        ): boolean | undefined;
+        walkNesting(
+            callback: (node: Nesting) => boolean | void
+        ): boolean | undefined;
+        walkPseudos(
+            callback: (node: Pseudo) => boolean | void
+        ): boolean | undefined;
+        walkTags(callback: (node: Tag) => boolean | void): boolean | undefined;
+        split(callback: (node: Child) => boolean): [Child[], Child[]];
+        map(callback: (node: Child) => T): T[];
+        reduce(
+            callback: (
+                previousValue: Child,
+                currentValue: Child,
+                currentIndex: number,
+                array: readonly Child[]
+            ) => Child
+        ): Child;
+        reduce(
+            callback: (
+                previousValue: Child,
+                currentValue: Child,
+                currentIndex: number,
+                array: readonly Child[]
+            ) => Child,
+            initialValue: Child
+        ): Child;
+        reduce(
+            callback: (
+                previousValue: T,
+                currentValue: Child,
+                currentIndex: number,
+                array: readonly Child[]
+            ) => T,
+            initialValue: T
+        ): T;
+        every(callback: (node: Child) => boolean): boolean;
+        some(callback: (node: Child) => boolean): boolean;
+        filter(callback: (node: Child) => boolean): Child[];
+        sort(callback: (nodeA: Child, nodeB: Child) => number): Child[];
+        toString(): string;
+    }
+    function isContainer(node: any): node is Root | Selector | Pseudo;
+
+    interface NamespaceOptions extends NodeOptions {
+        namespace?: string | true;
+    }
+    interface Namespace extends Base {
+        /** alias for namespace */
+        ns: string | true;
+        /**
+         *  namespace prefix.
+         */
+        namespace: string | true;
+        /**
+         * If a namespace exists, prefix the value provided with it, separated by |.
+         */
+        qualifiedName(value: string): string;
+        /**
+         * A string representing the namespace suitable for output.
+         */
+        readonly namespaceString: string;
+    }
+    function isNamespace(node: any): node is Attribute | Tag;
+
+    interface Root extends Container {
+        type: "root";
+        /**
+         * Raises an error, if the processor is invoked on
+         * a postcss Rule node, a better error message is raised.
+         */
+        error(message: string, options?: ErrorOptions): Error;
+        nodeAt(line: number, column: number): Node
+    }
+    function root(opts: ContainerOptions): Root;
+    function isRoot(node: any): node is Root;
+
+    interface _Selector extends Container> {
+        type: "selector";
+    }
+    type Selector = _Selector;
+    function selector(opts: ContainerOptions): Selector;
+    function isSelector(node: any): node is Selector;
+
+    interface CombinatorRaws {
+        value?: string;
+        spaces?: {
+            before?: string;
+            after?: string;
+        };
+    }
+    interface Combinator extends Base {
+        type: "combinator";
+        raws?: CombinatorRaws;
+    }
+    function combinator(opts: NodeOptions): Combinator;
+    function isCombinator(node: any): node is Combinator;
+
+    interface ClassName extends Base {
+        type: "class";
+    }
+    function className(opts: NamespaceOptions): ClassName;
+    function isClassName(node: any): node is ClassName;
+
+    type AttributeOperator = "=" | "~=" | "|=" | "^=" | "$=" | "*=";
+    type QuoteMark = '"' | "'" | null;
+    interface PreferredQuoteMarkOptions {
+        quoteMark?: QuoteMark;
+        preferCurrentQuoteMark?: boolean;
+    }
+    interface SmartQuoteMarkOptions extends PreferredQuoteMarkOptions {
+        smart?: boolean;
+    }
+    interface AttributeOptions extends NamespaceOptions {
+        attribute: string;
+        operator?: AttributeOperator;
+        insensitive?: boolean;
+        quoteMark?: QuoteMark;
+        /** @deprecated Use quoteMark instead. */
+        quoted?: boolean;
+        spaces?: {
+            before?: string;
+            after?: string;
+            attribute?: Partial;
+            operator?: Partial;
+            value?: Partial;
+            insensitive?: Partial;
+        }
+        raws: {
+            unquoted?: string;
+            attribute?: string;
+            operator?: string;
+            value?: string;
+            insensitive?: string;
+            spaces?: {
+                attribute?: Partial;
+                operator?: Partial;
+                value?: Partial;
+                insensitive?: Partial;
+            }
+        };
+    }
+    interface Attribute extends Namespace {
+        type: "attribute";
+        attribute: string;
+        operator?: AttributeOperator;
+        insensitive?: boolean;
+        quoteMark: QuoteMark;
+        quoted?: boolean;
+        spaces: {
+            before: string;
+            after: string;
+            attribute?: Partial;
+            operator?: Partial;
+            value?: Partial;
+            insensitive?: Partial;
+        }
+        raws: {
+            /** @deprecated The attribute value is unquoted, use that instead.. */
+            unquoted?: string;
+            attribute?: string;
+            operator?: string;
+            /** The value of the attribute with quotes and escapes. */
+            value?: string;
+            insensitive?: string;
+            spaces?: {
+                attribute?: Partial;
+                operator?: Partial;
+                value?: Partial;
+                insensitive?: Partial;
+            }
+        };
+        /**
+         * The attribute name after having been qualified with a namespace.
+         */
+        readonly qualifiedAttribute: string;
+
+        /**
+         * The case insensitivity flag or an empty string depending on whether this
+         * attribute is case insensitive.
+         */
+        readonly insensitiveFlag : 'i' | '';
+
+        /**
+         * Returns the attribute's value quoted such that it would be legal to use
+         * in the value of a css file. The original value's quotation setting
+         * used for stringification is left unchanged. See `setValue(value, options)`
+         * if you want to control the quote settings of a new value for the attribute or
+         * `set quoteMark(mark)` if you want to change the quote settings of the current
+         * value.
+         *
+         * You can also change the quotation used for the current value by setting quoteMark.
+         **/
+        getQuotedValue(options?: SmartQuoteMarkOptions): string;
+
+        /**
+         * Set the unescaped value with the specified quotation options. The value
+         * provided must not include any wrapping quote marks -- those quotes will
+         * be interpreted as part of the value and escaped accordingly.
+         * @param value
+         */
+        setValue(value: string, options?: SmartQuoteMarkOptions): void;
+
+        /**
+         * Intelligently select a quoteMark value based on the value's contents. If
+         * the value is a legal CSS ident, it will not be quoted. Otherwise a quote
+         * mark will be picked that minimizes the number of escapes.
+         *
+         * If there's no clear winner, the quote mark from these options is used,
+         * then the source quote mark (this is inverted if `preferCurrentQuoteMark` is
+         * true). If the quoteMark is unspecified, a double quote is used.
+         **/
+        smartQuoteMark(options: PreferredQuoteMarkOptions): QuoteMark;
+
+        /**
+         * Selects the preferred quote mark based on the options and the current quote mark value.
+         * If you want the quote mark to depend on the attribute value, call `smartQuoteMark(opts)`
+         * instead.
+         */
+        preferredQuoteMark(options: PreferredQuoteMarkOptions): QuoteMark
+
+        /**
+         * returns the offset of the attribute part specified relative to the
+         * start of the node of the output string.
+         *
+         * * "ns" - alias for "namespace"
+         * * "namespace" - the namespace if it exists.
+         * * "attribute" - the attribute name
+         * * "attributeNS" - the start of the attribute or its namespace
+         * * "operator" - the match operator of the attribute
+         * * "value" - The value (string or identifier)
+         * * "insensitive" - the case insensitivity flag;
+         * @param part One of the possible values inside an attribute.
+         * @returns -1 if the name is invalid or the value doesn't exist in this attribute.
+         */
+        offsetOf(part: "ns" | "namespace" | "attribute" | "attributeNS" | "operator" | "value" | "insensitive"): number;
+    }
+    function attribute(opts: AttributeOptions): Attribute;
+    function isAttribute(node: any): node is Attribute;
+
+    interface Pseudo extends Container {
+        type: "pseudo";
+    }
+    function pseudo(opts: ContainerOptions): Pseudo;
+    /**
+     * Checks wether the node is the Psuedo subtype of node.
+     */
+    function isPseudo(node: any): node is Pseudo;
+
+    /**
+     * Checks wether the node is, specifically, a pseudo element instead of
+     * pseudo class.
+     */
+    function isPseudoElement(node: any): node is Pseudo;
+
+    /**
+     * Checks wether the node is, specifically, a pseudo class instead of
+     * pseudo element.
+     */
+    function isPseudoClass(node: any): node is Pseudo;
+
+
+    interface Tag extends Namespace {
+        type: "tag";
+    }
+    function tag(opts: NamespaceOptions): Tag;
+    function isTag(node: any): node is Tag;
+
+    interface Comment extends Base {
+        type: "comment";
+    }
+    function comment(opts: NodeOptions): Comment;
+    function isComment(node: any): node is Comment;
+
+    interface Identifier extends Base {
+        type: "id";
+    }
+    function id(opts: any): any;
+    function isIdentifier(node: any): node is Identifier;
+
+    interface Nesting extends Base {
+        type: "nesting";
+    }
+    function nesting(opts: any): any;
+    function isNesting(node: any): node is Nesting;
+
+    interface String extends Base {
+        type: "string";
+    }
+    function string(opts: NodeOptions): String;
+    function isString(node: any): node is String;
+
+    interface Universal extends Base {
+        type: "universal";
+    }
+    function universal(opts?: NamespaceOptions): any;
+    function isUniversal(node: any): node is Universal;
+}
diff --git a/deps/npm/package.json b/deps/npm/package.json
index 7526c4754b0ff5..6efd43f49e96f4 100644
--- a/deps/npm/package.json
+++ b/deps/npm/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "8.15.1",
+  "version": "8.16.0",
   "name": "npm",
   "description": "a package manager for JavaScript",
   "workspaces": [
@@ -62,7 +62,7 @@
     "@npmcli/fs": "^2.1.0",
     "@npmcli/map-workspaces": "^2.0.3",
     "@npmcli/package-json": "^2.0.0",
-    "@npmcli/run-script": "^4.1.7",
+    "@npmcli/run-script": "^4.2.0",
     "abbrev": "~1.1.1",
     "archy": "~1.0.0",
     "cacache": "^16.1.1",
diff --git a/deps/npm/tap-snapshots/test/lib/commands/completion.js.test.cjs b/deps/npm/tap-snapshots/test/lib/commands/completion.js.test.cjs
index 232cfec669778f..f08ef0f37c3601 100644
--- a/deps/npm/tap-snapshots/test/lib/commands/completion.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/commands/completion.js.test.cjs
@@ -87,6 +87,7 @@ Array [
       profile
       prune
       publish
+      query
       rebuild
       repo
       restart
diff --git a/deps/npm/tap-snapshots/test/lib/commands/config.js.test.cjs b/deps/npm/tap-snapshots/test/lib/commands/config.js.test.cjs
index 095fd9b7886c21..a455def634c3a1 100644
--- a/deps/npm/tap-snapshots/test/lib/commands/config.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/commands/config.js.test.cjs
@@ -121,6 +121,7 @@ exports[`test/lib/commands/config.js TAP config list --json > output matches sna
   "read-only": false,
   "rebuild-bundle": true,
   "registry": "https://registry.npmjs.org/",
+  "replace-registry-host": "npmjs",
   "save": true,
   "save-bundle": false,
   "save-dev": false,
@@ -277,6 +278,7 @@ proxy = null
 read-only = false
 rebuild-bundle = true
 registry = "https://registry.npmjs.org/"
+replace-registry-host = "npmjs"
 save = true
 save-bundle = false
 save-dev = false
diff --git a/deps/npm/tap-snapshots/test/lib/commands/ls.js.test.cjs b/deps/npm/tap-snapshots/test/lib/commands/ls.js.test.cjs
index 1c8d3e59c3fe19..c56f8b162dc731 100644
--- a/deps/npm/tap-snapshots/test/lib/commands/ls.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/commands/ls.js.test.cjs
@@ -678,6 +678,13 @@ dedupe-entries@1.0.0 {CWD}/tap-testdir-ls-ls-with-no-args-dedupe-entries-and-not
 
 `
 
+exports[`test/lib/commands/ls.js TAP ls workspace and missing optional dep > should omit missing optional dep 1`] = `
+root@ {CWD}/tap-testdir-ls-ls-workspace-and-missing-optional-dep
++-- baz@1.0.0 -> ./baz
+\`-- foo@1.0.0
+
+`
+
 exports[`test/lib/commands/ls.js TAP show multiple invalid reasons > ls result 1`] = `
 test-npm-ls@1.0.0 {cwd}/tap-testdir-ls-show-multiple-invalid-reasons
 +-- cat@1.0.0 invalid: "^2.0.0" from the root project
diff --git a/deps/npm/tap-snapshots/test/lib/commands/query.js.test.cjs b/deps/npm/tap-snapshots/test/lib/commands/query.js.test.cjs
new file mode 100644
index 00000000000000..0a2aa769ee6380
--- /dev/null
+++ b/deps/npm/tap-snapshots/test/lib/commands/query.js.test.cjs
@@ -0,0 +1,221 @@
+/* IMPORTANT
+ * This snapshot file is auto-generated, but designed for humans.
+ * It should be checked into source control and tracked carefully.
+ * Re-generate by setting TAP_SNAPSHOT=1 and running tests.
+ * Make sure to inspect the output below.  Do not ignore changes!
+ */
+'use strict'
+exports[`test/lib/commands/query.js TAP global > should return global package 1`] = `
+[
+  {
+    "name": "lorem",
+    "version": "2.0.0",
+    "_id": "lorem@2.0.0",
+    "pkgid": "lorem@2.0.0",
+    "location": "node_modules/lorem",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-global/global/node_modules/lorem",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-global/global/node_modules/lorem",
+    "resolved": null,
+    "from": [
+      ""
+    ],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  }
+]
+`
+
+exports[`test/lib/commands/query.js TAP include-workspace-root > should return workspace object and root object 1`] = `
+[
+  {
+    "name": "project",
+    "workspaces": [
+      "c"
+    ],
+    "dependencies": {
+      "a": "^1.0.0",
+      "b": "^1.0.0"
+    },
+    "pkgid": "project@",
+    "location": "",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-include-workspace-root/prefix",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-include-workspace-root/prefix",
+    "resolved": null,
+    "from": [],
+    "to": [
+      "node_modules/c",
+      "node_modules/a",
+      "node_modules/b"
+    ],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  },
+  {
+    "name": "c",
+    "version": "1.0.0",
+    "_id": "c@1.0.0",
+    "pkgid": "c@1.0.0",
+    "location": "c",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-include-workspace-root/prefix/c",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-include-workspace-root/prefix/c",
+    "resolved": null,
+    "from": [],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  }
+]
+`
+
+exports[`test/lib/commands/query.js TAP linked node > should return linked node res 1`] = `
+[
+  {
+    "name": "a",
+    "version": "1.0.0",
+    "_id": "a@1.0.0",
+    "pkgid": "a@1.0.0",
+    "location": "a",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-linked-node/prefix/a",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-linked-node/prefix/a",
+    "resolved": null,
+    "from": [],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  }
+]
+`
+
+exports[`test/lib/commands/query.js TAP recursive tree > should return everything in the tree, accounting for recursion 1`] = `
+[
+  {
+    "name": "project",
+    "dependencies": {
+      "a": "^1.0.0",
+      "b": "^1.0.0"
+    },
+    "pkgid": "project@",
+    "location": "",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-recursive-tree/prefix",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-recursive-tree/prefix",
+    "resolved": null,
+    "from": [],
+    "to": [
+      "node_modules/a",
+      "node_modules/b"
+    ],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  },
+  {
+    "pkgid": "a@",
+    "location": "node_modules/a",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-recursive-tree/prefix/node_modules/a",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-recursive-tree/prefix/node_modules/a",
+    "resolved": null,
+    "from": [
+      ""
+    ],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  },
+  {
+    "pkgid": "b@",
+    "location": "node_modules/b",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-recursive-tree/prefix/node_modules/b",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-recursive-tree/prefix/node_modules/b",
+    "resolved": null,
+    "from": [
+      ""
+    ],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  }
+]
+`
+
+exports[`test/lib/commands/query.js TAP simple query > should return root object and direct children 1`] = `
+[
+  {
+    "name": "project",
+    "dependencies": {
+      "a": "^1.0.0",
+      "b": "^1.0.0"
+    },
+    "peerDependencies": {
+      "c": "1.0.0"
+    },
+    "pkgid": "project@",
+    "location": "",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-simple-query/prefix",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-simple-query/prefix",
+    "resolved": null,
+    "from": [],
+    "to": [
+      "node_modules/a",
+      "node_modules/b"
+    ],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  },
+  {
+    "pkgid": "a@",
+    "location": "node_modules/a",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-simple-query/prefix/node_modules/a",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-simple-query/prefix/node_modules/a",
+    "resolved": null,
+    "from": [
+      ""
+    ],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  },
+  {
+    "pkgid": "b@",
+    "location": "node_modules/b",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-simple-query/prefix/node_modules/b",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-simple-query/prefix/node_modules/b",
+    "resolved": null,
+    "from": [
+      ""
+    ],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  }
+]
+`
+
+exports[`test/lib/commands/query.js TAP workspace query > should return workspace object 1`] = `
+[
+  {
+    "name": "c",
+    "version": "1.0.0",
+    "_id": "c@1.0.0",
+    "pkgid": "c@1.0.0",
+    "location": "c",
+    "path": "{CWD}/test/lib/commands/tap-testdir-query-workspace-query/prefix/c",
+    "realpath": "{CWD}/test/lib/commands/tap-testdir-query-workspace-query/prefix/c",
+    "resolved": null,
+    "from": [],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false
+  }
+]
+`
diff --git a/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs b/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs
index 88b1d49556fd89..eac037f4b27081 100644
--- a/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/load-all-commands.js.test.cjs
@@ -693,6 +693,20 @@ Options:
 Run "npm help publish" for more info
 `
 
+exports[`test/lib/load-all-commands.js TAP load each command query > must match snapshot 1`] = `
+Retrieve a filtered list of packages
+
+Usage:
+npm query 
+
+Options:
+[-g|--global]
+[-w|--workspace  [-w|--workspace  ...]]
+[-ws|--workspaces] [--include-workspace-root]
+
+Run "npm help query" for more info
+`
+
 exports[`test/lib/load-all-commands.js TAP load each command rebuild > must match snapshot 1`] = `
 Rebuild a package
 
diff --git a/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs b/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs
index 8d5f188b07924c..455c61eaacc573 100644
--- a/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/npm.js.test.cjs
@@ -26,7 +26,7 @@ All commands:
     edit, exec, explain, explore, find-dupes, fund, get, help,
     hook, init, install, install-ci-test, install-test, link,
     ll, login, logout, ls, org, outdated, owner, pack, ping,
-    pkg, prefix, profile, prune, publish, rebuild, repo,
+    pkg, prefix, profile, prune, publish, query, rebuild, repo,
     restart, root, run-script, search, set, set-script,
     shrinkwrap, star, stars, start, stop, team, test, token,
     uninstall, unpublish, unstar, update, version, view, whoami
@@ -62,7 +62,7 @@ All commands:
     edit, exec, explain, explore, find-dupes, fund, get, help,
     hook, init, install, install-ci-test, install-test, link,
     ll, login, logout, ls, org, outdated, owner, pack, ping,
-    pkg, prefix, profile, prune, publish, rebuild, repo,
+    pkg, prefix, profile, prune, publish, query, rebuild, repo,
     restart, root, run-script, search, set, set-script,
     shrinkwrap, star, stars, start, stop, team, test, token,
     uninstall, unpublish, unstar, update, version, view, whoami
@@ -98,7 +98,7 @@ All commands:
     edit, exec, explain, explore, find-dupes, fund, get, help,
     hook, init, install, install-ci-test, install-test, link,
     ll, login, logout, ls, org, outdated, owner, pack, ping,
-    pkg, prefix, profile, prune, publish, rebuild, repo,
+    pkg, prefix, profile, prune, publish, query, rebuild, repo,
     restart, root, run-script, search, set, set-script,
     shrinkwrap, star, stars, start, stop, team, test, token,
     uninstall, unpublish, unstar, update, version, view, whoami
@@ -134,7 +134,7 @@ All commands:
     edit, exec, explain, explore, find-dupes, fund, get, help,
     hook, init, install, install-ci-test, install-test, link,
     ll, login, logout, ls, org, outdated, owner, pack, ping,
-    pkg, prefix, profile, prune, publish, rebuild, repo,
+    pkg, prefix, profile, prune, publish, query, rebuild, repo,
     restart, root, run-script, search, set, set-script,
     shrinkwrap, star, stars, start, stop, team, test, token,
     uninstall, unpublish, unstar, update, version, view, whoami
@@ -746,6 +746,18 @@ All commands:
 
                     Run "npm help publish" for more info
 
+    query           Retrieve a filtered list of packages
+
+                    Usage:
+                    npm query 
+
+                    Options:
+                    [-g|--global]
+                    [-w|--workspace  [-w|--workspace  ...]]
+                    [-ws|--workspaces] [--include-workspace-root]
+
+                    Run "npm help query" for more info
+
     rebuild         Rebuild a package
 
                     Usage:
diff --git a/deps/npm/tap-snapshots/test/lib/utils/cmd-list.js.test.cjs b/deps/npm/tap-snapshots/test/lib/utils/cmd-list.js.test.cjs
index 9413f8e9a6d520..dd0df9b868c7a0 100644
--- a/deps/npm/tap-snapshots/test/lib/utils/cmd-list.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/utils/cmd-list.js.test.cjs
@@ -218,6 +218,11 @@ Object {
     "publi": "publish",
     "publis": "publish",
     "publish": "publish",
+    "q": "query",
+    "qu": "query",
+    "que": "query",
+    "quer": "query",
+    "query": "query",
     "r": "r",
     "rb": "rb",
     "reb": "rebuild",
@@ -453,6 +458,7 @@ Object {
     "profile",
     "prune",
     "publish",
+    "query",
     "rebuild",
     "repo",
     "restart",
diff --git a/deps/npm/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs b/deps/npm/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs
index 89c9969d69424d..024ad345a5d321 100644
--- a/deps/npm/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs
@@ -116,6 +116,7 @@ Array [
   "read-only",
   "rebuild-bundle",
   "registry",
+  "replace-registry-host",
   "save",
   "save-bundle",
   "save-dev",
@@ -1315,7 +1316,7 @@ exports[`test/lib/utils/config/definitions.js TAP > config description for packa
 * Default:
 * Type: String (can be set multiple times)
 
-The package to install for [\`npm exec\`](/commands/npm-exec)
+The package or packages to install for [\`npm exec\`](/commands/npm-exec)
 `
 
 exports[`test/lib/utils/config/definitions.js TAP > config description for package-lock 1`] = `
@@ -1460,6 +1461,23 @@ exports[`test/lib/utils/config/definitions.js TAP > config description for regis
 The base URL of the npm registry.
 `
 
+exports[`test/lib/utils/config/definitions.js TAP > config description for replace-registry-host 1`] = `
+#### \`replace-registry-host\`
+
+* Default: "npmjs"
+* Type: "npmjs", "never", "always", or String
+
+Defines behavior for replacing the registry host in a lockfile with the
+configured registry.
+
+The default behavior is to replace package dist URLs from the default
+registry (https://registry.npmjs.org) to the configured registry. If set to
+"never", then use the registry value. If set to "always", then replace the
+registry host with the configured host every time.
+
+You may also specify a bare hostname (e.g., "registry.npmjs.org").
+`
+
 exports[`test/lib/utils/config/definitions.js TAP > config description for save 1`] = `
 #### \`save\`
 
diff --git a/deps/npm/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs b/deps/npm/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs
index a9247f49c04187..a03d22e5e6305b 100644
--- a/deps/npm/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs
+++ b/deps/npm/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs
@@ -1117,7 +1117,7 @@ Directory in which \`npm pack\` will save tarballs.
 * Default:
 * Type: String (can be set multiple times)
 
-The package to install for [\`npm exec\`](/commands/npm-exec)
+The package or packages to install for [\`npm exec\`](/commands/npm-exec)
 
 
 
@@ -1266,6 +1266,24 @@ The base URL of the npm registry.
 
 
 
+#### \`replace-registry-host\`
+
+* Default: "npmjs"
+* Type: "npmjs", "never", "always", or String
+
+Defines behavior for replacing the registry host in a lockfile with the
+configured registry.
+
+The default behavior is to replace package dist URLs from the default
+registry (https://registry.npmjs.org) to the configured registry. If set to
+"never", then use the registry value. If set to "always", then replace the
+registry host with the configured host every time.
+
+You may also specify a bare hostname (e.g., "registry.npmjs.org").
+
+
+
+
 #### \`save\`
 
 * Default: \`true\` unless when using \`npm update\` where it defaults to \`false\`
diff --git a/deps/npm/test/fixtures/mock-npm.js b/deps/npm/test/fixtures/mock-npm.js
index 90bf7da4c10bc7..adf6c7432a5612 100644
--- a/deps/npm/test/fixtures/mock-npm.js
+++ b/deps/npm/test/fixtures/mock-npm.js
@@ -63,7 +63,7 @@ const LoadMockNpm = async (t, {
   prefixDir = {},
   homeDir = {},
   cacheDir = {},
-  globalPrefixDir = {},
+  globalPrefixDir = { lib: {} },
   config = {},
   mocks = {},
   globals = null,
diff --git a/deps/npm/test/lib/commands/exec.js b/deps/npm/test/lib/commands/exec.js
index 049ed327c8fc5e..6e4c3e2246a6ab 100644
--- a/deps/npm/test/lib/commands/exec.js
+++ b/deps/npm/test/lib/commands/exec.js
@@ -1,1547 +1,99 @@
 const t = require('tap')
-const { fake: mockNpm } = require('../../fixtures/mock-npm')
-const { resolve, delimiter } = require('path')
+const fs = require('@npmcli/fs')
+const path = require('path')
+const { load: loadMockNpm } = require('../../fixtures/mock-npm.js')
+const MockRegistry = require('../../fixtures/mock-registry.js')
 
-const ARB_CTOR = []
-const ARB_ACTUAL_TREE = {}
-const ARB_REIFY = []
-class Arborist {
-  constructor (options) {
-    ARB_CTOR.push(options)
-    this.path = options.path
-  }
-
-  async loadActual () {
-    return ARB_ACTUAL_TREE[this.path]
-  }
-
-  async reify (options) {
-    ARB_REIFY.push(options)
-  }
-}
-
-let PROGRESS_ENABLED = true
-const LOG_WARN = []
-let PROGRESS_IGNORED = false
-const flatOptions = {
-  npxCache: 'npx-cache-dir',
-  color: false,
-  cache: 'cache-dir',
-  legacyPeerDeps: false,
-  package: [],
-}
-const config = {
-  cache: 'bad-cache-dir', // this should never show up passed into libnpmexec
-  yes: true,
-  call: '',
-  package: [],
-  'script-shell': 'shell-cmd',
-}
-
-const npm = mockNpm({
-  flatOptions,
-  config,
-  localPrefix: 'local-prefix',
-  localBin: 'local-bin',
-  globalBin: 'global-bin',
-})
-
-const RUN_SCRIPTS = []
-const runScript = async opt => {
-  RUN_SCRIPTS.push(opt)
-  if (!PROGRESS_IGNORED && PROGRESS_ENABLED) {
-    throw new Error('progress not disabled during run script!')
-  }
-}
-
-const MANIFESTS = {}
-const pacote = {
-  manifest: async (spec, options) => {
-    return MANIFESTS[spec]
-  },
-}
-
-const MKDIRPS = []
-const mkdirp = async path => MKDIRPS.push(path)
-
-let READ_RESULT = ''
-let READ_ERROR = null
-const READ = []
-const read = (options, cb) => {
-  READ.push(options)
-  process.nextTick(() => cb(READ_ERROR, READ_RESULT))
-}
-
-let CI_NAME = 'travis-ci'
-
-const log = {
-  'proc-log': {
-    warn: (...args) => {
-      LOG_WARN.push(args)
-    },
-  },
-  npmlog: {
-    disableProgress: () => {
-      PROGRESS_ENABLED = false
-    },
-    enableProgress: () => {
-      PROGRESS_ENABLED = true
-    },
-    clearProgress: () => {},
-  },
-}
-
-const mocks = {
-  libnpmexec: t.mock('libnpmexec', {
-    '@npmcli/arborist': Arborist,
-    '@npmcli/run-script': runScript,
-    '@npmcli/ci-detect': () => CI_NAME,
-    pacote,
-    read,
-    'mkdirp-infer-owner': mkdirp,
-    ...log,
-  }),
-  ...log,
-}
-const Exec = t.mock('../../../lib/commands/exec.js', mocks)
-const exec = new Exec(npm)
-
-t.afterEach(() => {
-  MKDIRPS.length = 0
-  ARB_CTOR.length = 0
-  ARB_REIFY.length = 0
-  RUN_SCRIPTS.length = 0
-  READ.length = 0
-  READ_RESULT = ''
-  READ_ERROR = null
-  LOG_WARN.length = 0
-  PROGRESS_IGNORED = false
-  flatOptions.legacyPeerDeps = false
-  flatOptions.color = false
-  config['script-shell'] = 'shell-cmd'
-  config.package = []
-  flatOptions.package = []
-  config.call = ''
-  config.yes = true
-  npm.color = false
-  npm.localBin = 'local-bin'
-  npm.globalBin = 'global-bin'
-})
-
-t.test('npx foo, bin already exists locally', async t => {
-  const path = t.testdir({
-    node_modules: {
-      '.bin': {
-        foo: 'just some file',
-      },
-    },
-  })
-
-  PROGRESS_IGNORED = true
-  npm.localBin = resolve(path, 'node_modules', '.bin')
-
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      cache: flatOptions.cache,
-      npxCache: flatOptions.npxCache,
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: {
-        PATH: [npm.localBin, process.env.PATH].join(delimiter),
-      },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npx foo, bin already exists globally', async t => {
-  const path = t.testdir({
-    node_modules: {
-      '.bin': {
-        foo: 'just some file',
-      },
-    },
-  })
-
-  PROGRESS_IGNORED = true
-  npm.globalBin = resolve(path, 'node_modules', '.bin')
-
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: {
-        PATH: [npm.globalBin, process.env.PATH].join(delimiter),
-      },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec foo, already present locally', async t => {
-  const path = t.testdir()
-  const pkg = { name: 'foo', version: '1.2.3', bin: { foo: 'foo' } }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [], 'no need to make any dirs')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no need to reify anything')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH: process.env.PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec , run interactive shell', t => {
-  CI_NAME = null
-  const { isTTY } = process.stdin
-  process.stdin.isTTY = true
-  t.teardown(() => (process.stdin.isTTY = isTTY))
-
-  const run = async (t, doRun) => {
-    LOG_WARN.length = 0
-    ARB_CTOR.length = 0
-    MKDIRPS.length = 0
-    ARB_REIFY.length = 0
-    npm._mockOutputs.length = 0
-    await exec.exec([])
-    t.strictSame(MKDIRPS, [], 'no need to make any dirs')
-    t.strictSame(ARB_CTOR, [], 'no need to instantiate arborist')
-    t.strictSame(ARB_REIFY, [], 'no need to reify anything')
-    t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-    if (doRun) {
-      t.match(RUN_SCRIPTS, [
-        {
-          pkg: { scripts: { npx: 'shell-cmd' } },
-          args: [],
-          banner: false,
-          path: process.cwd(),
-          stdioString: true,
-          event: 'npx',
-          env: { PATH: process.env.PATH },
-          stdio: 'inherit',
-        },
-      ])
-    } else {
-      t.strictSame(RUN_SCRIPTS, [])
-    }
-
-    RUN_SCRIPTS.length = 0
-  }
-  t.test('print message when tty and not in CI', async t => {
-    CI_NAME = null
-    process.stdin.isTTY = true
-    await run(t, true)
-    t.strictSame(LOG_WARN, [])
-    t.strictSame(
-      npm._mockOutputs,
-      [
-        [
-          /* eslint-disable-next-line max-len */
-          `\nEntering npm script environment at location:\n${process.cwd()}\nType 'exit' or ^D when finished\n`,
-        ],
-      ],
-      'printed message about interactive shell'
-    )
-  })
-
-  t.test('print message with color when tty and not in CI', async t => {
-    CI_NAME = null
-    process.stdin.isTTY = true
-    npm.color = true
-    flatOptions.color = true
-
-    await run(t, true)
-    t.strictSame(LOG_WARN, [])
-    t.strictSame(
-      npm._mockOutputs,
-      [
-        [
-          /* eslint-disable-next-line max-len */
-          `\u001b[0m\u001b[0m\n\u001b[0mEntering npm script environment\u001b[0m\u001b[0m at location:\u001b[0m\n\u001b[0m\u001b[2m${process.cwd()}\u001b[22m\u001b[0m\u001b[1m\u001b[22m\n\u001b[1mType 'exit' or ^D when finished\u001b[22m\n\u001b[1m\u001b[22m`,
-        ],
-      ],
-      'printed message about interactive shell'
-    )
-  })
-
-  t.test('no message when not TTY', async t => {
-    CI_NAME = null
-    process.stdin.isTTY = false
-    await run(t, true)
-    t.strictSame(LOG_WARN, [])
-    t.strictSame(npm._mockOutputs, [], 'no message about interactive shell')
-  })
-
-  t.test('print warning when in CI and interactive', async t => {
-    CI_NAME = 'travis-ci'
-    process.stdin.isTTY = true
-    await run(t, false)
-    t.strictSame(LOG_WARN, [['exec', 'Interactive mode disabled in CI environment']])
-    t.strictSame(npm._mockOutputs, [], 'no message about interactive shell')
-  })
-
-  t.test('not defined script-shell config value', async t => {
-    CI_NAME = null
-    process.stdin.isTTY = true
-    config['script-shell'] = undefined
-
-    await exec.exec([])
-
-    t.match(RUN_SCRIPTS, [
-      {
-        pkg: { scripts: { npx: /sh|cmd/ } },
-      },
-    ])
-
-    LOG_WARN.length = 0
-    ARB_CTOR.length = 0
-    MKDIRPS.length = 0
-    ARB_REIFY.length = 0
-    npm._mockOutputs.length = 0
-    RUN_SCRIPTS.length = 0
-  })
-
-  t.end()
-})
-
-t.test('npm exec foo, not present locally or in central loc', async t => {
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/f7fbba6e0636f890')
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.match(ARB_REIFY, [{ add: ['foo@'], legacyPeerDeps: false }], 'need to install foo@')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec foo, packageLockOnly set to true', async t => {
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/f7fbba6e0636f890')
-  npm.localPrefix = path
-  npm.config.set('package-lock-only', true)
-  t.teardown(() => {
-    npm.config.set('package-lock-only', false)
-  })
-
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{
-    path,
-    packageLockOnly: false,
-  }])
-  t.match(ARB_REIFY, [{
-    add: ['foo@'],
-    legacyPeerDeps: false,
-    packageLockOnly: false,
-  }], 'need to install foo@')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec foo, not present locally but in central loc', async t => {
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/f7fbba6e0636f890')
-  const pkg = { name: 'foo', version: '1.2.3', bin: { foo: 'foo' } }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no need to install again, already there')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec foo, present locally but wrong version', async t => {
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/2badf4630f1cfaad')
-  const pkg = { name: 'foo', version: '1.2.3', bin: { foo: 'foo' } }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS['foo@2.x'] = {
-    name: 'foo',
-    version: '2.3.4',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@2.x',
-  }
-  await exec.exec(['foo@2.x', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.match(ARB_REIFY, [{ add: ['foo@2.x'], legacyPeerDeps: false }], 'need to add foo@2.x')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec foo, present locally but outdated version', async t => {
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/f7fbba6e0636f890')
-  const pkg = { name: 'foo', version: '1.2.3', bin: { foo: 'foo' } }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '2.3.4',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@2.x',
-  }
-  await exec.exec(['foo', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.match(ARB_REIFY, [{ add: ['foo'], legacyPeerDeps: false }], 'need to add foo@2.x')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec --package=foo bar', async t => {
-  const path = t.testdir()
-  const pkg = { name: 'foo', version: '1.2.3', bin: { foo: 'foo' } }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  config.package = ['foo']
-  flatOptions.package = ['foo']
-  await exec.exec(['bar', 'one arg', 'two arg'])
-  t.strictSame(MKDIRPS, [], 'no need to make any dirs')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no need to reify anything')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'bar' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH: process.env.PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('npm exec @foo/bar -- --some=arg, locally installed', async t => {
-  const foobarManifest = {
-    name: '@foo/bar',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-      bar: 'bar',
-    },
-  }
-  const path = t.testdir({
-    node_modules: {
-      '@foo/bar': {
-        'package.json': JSON.stringify(foobarManifest),
-      },
-    },
-  })
-  const pkg = {
-    name: '@foo/bar',
-    version: '1.2.3',
-    bin: { foo: 'foo', bar: 'bar' },
-  }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS['@foo/bar'] = foobarManifest
-  await exec.exec(['@foo/bar', '--some=arg'])
-  t.strictSame(MKDIRPS, [], 'no need to make any dirs')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no need to reify anything')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'bar' } },
-      args: ['--some=arg'],
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH: process.env.PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test(
-  'npm exec @foo/bar, with same bin alias and no unscoped named bin, locally installed',
-  async t => {
-    const pkg = {
-      name: '@foo/bar',
-      version: '1.2.3',
-      bin: {
-        baz: 'corge', // pick the first one
-        qux: 'corge',
-        quux: 'corge',
-      },
-    }
-    const path = t.testdir({
-      node_modules: {
-        '@foo/bar': {
-          'package.json': JSON.stringify(pkg),
-        },
-      },
-    })
-    npm.localPrefix = path
-    ARB_ACTUAL_TREE[path] = {
-      inventory: {
-        query () {
-          return new Set([{ ...pkg, package: pkg }])
-        },
-      },
-    }
-    MANIFESTS['@foo/bar'] = pkg
-    await exec.exec(['@foo/bar', 'one arg', 'two arg'])
-    t.strictSame(MKDIRPS, [], 'no need to make any dirs')
-    t.match(ARB_CTOR, [{ path }])
-    t.strictSame(ARB_REIFY, [], 'no need to reify anything')
-    t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-    t.match(RUN_SCRIPTS, [
-      {
-        pkg: { scripts: { npx: 'baz' } },
-        args: ['one arg', 'two arg'],
-        banner: false,
-        path: process.cwd(),
-        stdioString: true,
-        event: 'npx',
-        env: { PATH: process.env.PATH },
-        stdio: 'inherit',
-      },
-    ])
-  }
-)
-
-t.test(
-  'npm exec @foo/bar, with different bin alias and no unscoped named bin, locally installed',
-  async t => {
-    const path = t.testdir()
-    const pkg = {
-      name: '@foo/bar',
-      version: '1.2.3.',
-      bin: { foo: 'qux', corge: 'qux', baz: 'quux' },
-    }
-    npm.localPrefix = path
-    ARB_ACTUAL_TREE[path] = {
-      inventory: {
-        query () {
-          return new Set([{
-            ...pkg,
-            package: pkg,
-            pkgid: `${pkg.name}@${pkg.version}`,
-          }])
-        },
-      },
-    }
-    MANIFESTS['@foo/bar'] = {
-      name: '@foo/bar',
-      version: '1.2.3',
-      bin: {
-        foo: 'qux',
-        corge: 'qux',
-        baz: 'quux',
-      },
-      _from: 'foo@',
-      _id: '@foo/bar@1.2.3',
-    }
-    await t.rejects(exec.exec(['@foo/bar']), {
-      message: 'could not determine executable to run',
-      pkgid: '@foo/bar@1.2.3',
-    })
-  }
-)
-
-t.test('run command with 2 packages, need install, verify sort', async t => {
-  // test both directions, should use same install dir both times
-  // also test the read() call here, verify that the prompts match
-  const cases = [
-    ['foo', 'bar'],
-    ['bar', 'foo'],
-  ]
-  t.plan(cases.length)
-  for (const packages of cases) {
-    t.test(packages.join(', '), async t => {
-      config.package = packages
-      const add = packages.map(p => `${p}@`).sort((a, b) => a.localeCompare(b, 'en'))
-      const path = t.testdir()
-      const installDir = resolve('npx-cache-dir/07de77790e5f40f2')
-      npm.localPrefix = path
-      ARB_ACTUAL_TREE[path] = {
-        inventory: {
-          query () {
-            return new Set()
-          },
-        },
-      }
-      ARB_ACTUAL_TREE[installDir] = {
-        inventory: {
-          query () {
-            return new Set()
-          },
-        },
-      }
-      MANIFESTS.foo = {
-        name: 'foo',
-        version: '1.2.3',
-        bin: {
-          foo: 'foo',
-        },
-        _from: 'foo@',
-      }
-      MANIFESTS.bar = {
-        name: 'bar',
-        version: '1.2.3',
-        bin: {
-          bar: 'bar',
-        },
-        _from: 'bar@',
-      }
-      await exec.exec(['foobar', 'one arg', 'two arg'])
-      t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-      t.match(ARB_CTOR, [{ path }])
-      t.match(ARB_REIFY, [{ add, legacyPeerDeps: false }], 'need to install both packages')
-      t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-      const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-      t.match(RUN_SCRIPTS, [
-        {
-          pkg: { scripts: { npx: 'foobar' } },
-          args: ['one arg', 'two arg'],
-          banner: false,
-          path: process.cwd(),
-          stdioString: true,
-          event: 'npx',
-          env: { PATH },
-          stdio: 'inherit',
-        },
-      ])
-    })
-  }
-})
-
-t.test('npm exec foo, no bin in package', async t => {
-  const pkg = { name: 'foo', version: '1.2.3' }
-  const path = t.testdir({
-    node_modules: {
-      foo: {
-        'package.json': JSON.stringify(pkg),
-      },
-    },
-  })
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set([{
-          ...pkg,
-          package: pkg,
-          pkgid: `${pkg.name}@${pkg.version}`,
-        }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    _from: 'foo@',
-    _id: 'foo@1.2.3',
-  }
-  await t.rejects(exec.exec(['foo']), {
-    message: 'could not determine executable to run',
-    pkgid: 'foo@1.2.3',
-  })
-})
-
-t.test('npm exec foo, many bins in package, none named foo', async t => {
-  const path = t.testdir()
-  const pkg = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: { bar: 'bar', baz: 'baz' },
-  }
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set([{
-          ...pkg,
-          package: pkg,
-          pkgid: `${pkg.name}@${pkg.version}`,
-        }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      bar: 'bar',
-      baz: 'baz',
-    },
-    _from: 'foo@',
-    _id: 'foo@1.2.3',
-  }
-  await t.rejects(exec.exec(['foo']), {
-    message: 'could not determine executable to run',
-    pkgid: 'foo@1.2.3',
-  })
-})
-
-t.test('npm exec -p foo -c "ls -laF"', async t => {
-  const path = t.testdir()
-  const pkg = { name: 'foo', version: '1.2.3' }
-  npm.localPrefix = path
-  config.package = ['foo']
-  config.call = 'ls -laF'
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    _from: 'foo@',
-  }
-  await exec.exec([])
-  t.strictSame(MKDIRPS, [], 'no need to make any dirs')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no need to reify anything')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'ls -laF' } },
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH: process.env.PATH },
-      stdio: 'inherit',
-    },
-  ])
-})
-
-t.test('positional args and --call together is an error', async t => {
-  config.call = 'true'
-  await t.rejects(exec.exec(['foo']), exec.usage)
-})
-
-t.test('prompt when installs are needed if not already present and shell is a TTY', async t => {
-  const stdoutTTY = process.stdout.isTTY
-  const stdinTTY = process.stdin.isTTY
-  t.teardown(() => {
-    process.stdout.isTTY = stdoutTTY
-    process.stdin.isTTY = stdinTTY
-    CI_NAME = 'travis-ci'
-  })
-  process.stdout.isTTY = true
-  process.stdin.isTTY = true
-  CI_NAME = false
-
-  const packages = ['foo', 'bar']
-  READ_RESULT = 'yolo'
-
-  config.package = packages
-  config.yes = undefined
-
-  const add = packages.map(p => `${p}@`).sort((a, b) => a.localeCompare(b, 'en'))
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/07de77790e5f40f2')
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  MANIFESTS.bar = {
-    name: 'bar',
-    version: '1.2.3',
-    bin: {
-      bar: 'bar',
+t.test('call with args', async t => {
+  const { npm } = await loadMockNpm(t, {
+    config: {
+      call: 'foo',
     },
-    _from: 'bar@',
-  }
-  await exec.exec(['foobar'])
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.match(ARB_REIFY, [{ add, legacyPeerDeps: false }], 'need to install both packages')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foobar' } },
-      banner: false,
-      path: process.cwd(),
-      stdioString: true,
-      event: 'npx',
-      env: { PATH },
-      stdio: 'inherit',
-    },
-  ])
-  t.strictSame(READ, [
-    {
-      prompt: 'Need to install the following packages:\n  bar\n  foo\nOk to proceed? ',
-      default: 'y',
-    },
-  ])
-})
-
-t.test(
-  /* eslint-disable-next-line max-len */
-  'skip prompt when installs are needed if not already present and shell is not a tty (multiple packages)',
-  async t => {
-    const stdoutTTY = process.stdout.isTTY
-    const stdinTTY = process.stdin.isTTY
-    t.teardown(() => {
-      process.stdout.isTTY = stdoutTTY
-      process.stdin.isTTY = stdinTTY
-      CI_NAME = 'travis-ci'
-    })
-    process.stdout.isTTY = false
-    process.stdin.isTTY = false
-    CI_NAME = false
-
-    const packages = ['foo', 'bar']
-    READ_RESULT = 'yolo'
-
-    config.package = packages
-    config.yes = undefined
-
-    const add = packages.map(p => `${p}@`).sort((a, b) => a.localeCompare(b, 'en'))
-    const path = t.testdir()
-    const installDir = resolve('npx-cache-dir/07de77790e5f40f2')
-    npm.localPrefix = path
-    ARB_ACTUAL_TREE[path] = {
-      inventory: {
-        query () {
-          return new Set()
-        },
-      },
-    }
-    ARB_ACTUAL_TREE[installDir] = {
-      inventory: {
-        query () {
-          return new Set()
-        },
-      },
-    }
-    MANIFESTS.foo = {
-      name: 'foo',
-      version: '1.2.3',
-      bin: {
-        foo: 'foo',
-      },
-      _from: 'foo@',
-    }
-    MANIFESTS.bar = {
-      name: 'bar',
-      version: '1.2.3',
-      bin: {
-        bar: 'bar',
-      },
-      _from: 'bar@',
-    }
-    await exec.exec(['foobar'])
-    t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-    t.match(ARB_CTOR, [{ path }])
-    t.match(ARB_REIFY, [{ add, legacyPeerDeps: false }], 'need to install both packages')
-    t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-    const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-    t.match(RUN_SCRIPTS, [
-      {
-        pkg: { scripts: { npx: 'foobar' } },
-        banner: false,
-        path: process.cwd(),
-        stdioString: true,
-        event: 'npx',
-        env: { PATH },
-        stdio: 'inherit',
-      },
-    ])
-    t.strictSame(READ, [], 'should not have prompted')
-    t.strictSame(
-      LOG_WARN,
-      [['exec', 'The following packages were not found and will be installed: bar, foo']],
-      'should have printed a warning'
-    )
-  }
-)
-
-t.test(
-  /* eslint-disable-next-line max-len */
-  'skip prompt when installs are needed if not already present and shell is not a tty (single package)',
-  async t => {
-    const stdoutTTY = process.stdout.isTTY
-    const stdinTTY = process.stdin.isTTY
-    t.teardown(() => {
-      process.stdout.isTTY = stdoutTTY
-      process.stdin.isTTY = stdinTTY
-      CI_NAME = 'travis-ci'
-    })
-    process.stdout.isTTY = false
-    process.stdin.isTTY = false
-    CI_NAME = false
-
-    const packages = ['foo']
-    READ_RESULT = 'yolo'
-
-    config.package = packages
-    config.yes = undefined
-
-    const add = packages.map(p => `${p}@`).sort((a, b) => a.localeCompare(b, 'en'))
-    const path = t.testdir()
-    const installDir = resolve('npx-cache-dir/f7fbba6e0636f890')
-    npm.localPrefix = path
-    ARB_ACTUAL_TREE[path] = {
-      inventory: {
-        query () {
-          return new Set()
-        },
-      },
-    }
-    ARB_ACTUAL_TREE[installDir] = {
-      inventory: {
-        query () {
-          return new Set()
-        },
-      },
-    }
-    MANIFESTS.foo = {
-      name: 'foo',
-      version: '1.2.3',
-      bin: {
-        foo: 'foo',
-      },
-      _from: 'foo@',
-    }
-    await exec.exec(['foobar'])
-    t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-    t.match(ARB_CTOR, [{ path }])
-    t.match(ARB_REIFY, [{ add, legacyPeerDeps: false }], 'need to install the package')
-    t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-    const PATH = `${resolve(installDir, 'node_modules', '.bin')}${delimiter}${process.env.PATH}`
-    t.match(RUN_SCRIPTS, [
-      {
-        pkg: { scripts: { npx: 'foobar' } },
-        banner: false,
-        path: process.cwd(),
-        stdioString: true,
-        event: 'npx',
-        env: { PATH },
-        stdio: 'inherit',
-      },
-    ])
-    t.strictSame(READ, [], 'should not have prompted')
-    t.strictSame(
-      LOG_WARN,
-      [['exec', 'The following package was not found and will be installed: foo']],
-      'should have printed a warning'
-    )
-  }
-)
-
-t.test('abort if prompt rejected', async t => {
-  const stdoutTTY = process.stdout.isTTY
-  const stdinTTY = process.stdin.isTTY
-  t.teardown(() => {
-    process.stdout.isTTY = stdoutTTY
-    process.stdin.isTTY = stdinTTY
-    CI_NAME = 'travis-ci'
   })
-  process.stdout.isTTY = true
-  process.stdin.isTTY = true
-  CI_NAME = false
-
-  const packages = ['foo', 'bar']
-  READ_RESULT = 'no, why would I want such a thing??'
 
-  config.package = packages
-  config.yes = undefined
-
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/07de77790e5f40f2')
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  MANIFESTS.bar = {
-    name: 'bar',
-    version: '1.2.3',
-    bin: {
-      bar: 'bar',
-    },
-    _from: 'bar@',
-  }
-  await t.rejects(exec.exec(['foobar']), /canceled/, 'should be canceled')
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no install performed')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.strictSame(RUN_SCRIPTS, [])
-  t.strictSame(READ, [
-    {
-      prompt: 'Need to install the following packages:\n  bar\n  foo\nOk to proceed? ',
-      default: 'y',
-    },
-  ])
+  await t.rejects(
+    npm.exec('exec', ['bar']),
+    { code: 'EUSAGE' }
+  )
 })
 
-t.test('abort if prompt false', async t => {
-  const stdoutTTY = process.stdout.isTTY
-  const stdinTTY = process.stdin.isTTY
-  t.teardown(() => {
-    process.stdout.isTTY = stdoutTTY
-    process.stdin.isTTY = stdinTTY
-    CI_NAME = 'travis-ci'
+t.test('registry package', async t => {
+  const registry = new MockRegistry({
+    tap: t,
+    registry: 'https://registry.npmjs.org/',
   })
-  process.stdout.isTTY = true
-  process.stdin.isTTY = true
-  CI_NAME = false
-
-  const packages = ['foo', 'bar']
-  READ_ERROR = 'canceled'
 
-  config.package = packages
-  config.yes = undefined
+  const manifest = registry.manifest({ name: '@npmcli/npx-test' })
+  manifest.versions['1.0.0'].bin = { 'npx-test': 'index.js' }
 
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/07de77790e5f40f2')
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
+  const { npm } = await loadMockNpm(t, {
+    config: {
+      yes: true,
     },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
+    prefixDir: {
+      'npm-exec-test': {
+        'package.json': JSON.stringify(manifest),
+        'index.js': `#!/usr/bin/env node
+  require('fs').writeFileSync('npm-exec-test-success', '')`,
       },
     },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  MANIFESTS.bar = {
-    name: 'bar',
-    version: '1.2.3',
-    bin: {
-      bar: 'bar',
-    },
-    _from: 'bar@',
-  }
-  await t.rejects(exec.exec(['foobar']), 'canceled', 'should be canceled')
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no install performed')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.strictSame(RUN_SCRIPTS, [])
-  t.strictSame(READ, [
-    {
-      prompt: 'Need to install the following packages:\n  bar\n  foo\nOk to proceed? ',
-      default: 'y',
-    },
-  ])
-})
-
-t.test('abort if -n provided', async t => {
-  const stdoutTTY = process.stdout.isTTY
-  const stdinTTY = process.stdin.isTTY
-  t.teardown(() => {
-    process.stdout.isTTY = stdoutTTY
-    process.stdin.isTTY = stdinTTY
-    CI_NAME = 'travis-ci'
+    globals: ({ prefix }) => ({
+      'process.cwd': () => prefix,
+    }),
   })
-  process.stdout.isTTY = true
-  process.stdin.isTTY = true
-  CI_NAME = false
 
-  const packages = ['foo', 'bar']
+  await registry.package({
+    times: 2,
+    manifest,
+    tarballs: {
+      '1.0.0': path.join(npm.prefix, 'npm-exec-test'),
+    } })
 
-  config.package = packages
-  config.yes = false
-
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/07de77790e5f40f2')
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  MANIFESTS.bar = {
-    name: 'bar',
-    version: '1.2.3',
-    bin: {
-      bar: 'bar',
-    },
-    _from: 'bar@',
-  }
-  await t.rejects(exec.exec(['foobar']), /canceled/, 'should be canceled')
-  t.strictSame(MKDIRPS, [installDir], 'need to make install dir')
-  t.match(ARB_CTOR, [{ path }])
-  t.strictSame(ARB_REIFY, [], 'no install performed')
-  t.equal(PROGRESS_ENABLED, true, 'progress re-enabled')
-  t.strictSame(RUN_SCRIPTS, [])
-  t.strictSame(READ, [])
-})
-
-t.test('forward legacyPeerDeps opt', async t => {
-  const path = t.testdir()
-  const installDir = resolve('npx-cache-dir/f7fbba6e0636f890')
-  npm.localPrefix = path
-  ARB_ACTUAL_TREE[path] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  ARB_ACTUAL_TREE[installDir] = {
-    inventory: {
-      query () {
-        return new Set()
-      },
-    },
-  }
-  MANIFESTS.foo = {
-    name: 'foo',
-    version: '1.2.3',
-    bin: {
-      foo: 'foo',
-    },
-    _from: 'foo@',
-  }
-  config.yes = true
-  flatOptions.legacyPeerDeps = true
-  await exec.exec(['foo'])
-  t.match(
-    ARB_REIFY,
-    [{ add: ['foo@'], legacyPeerDeps: true }],
-    'need to install foo@ using legacyPeerDeps opt'
-  )
+  await npm.exec('exec', ['@npmcli/npx-test'])
+  const exists = await fs.stat(path.join(npm.prefix, 'npm-exec-test-success'))
+  t.ok(exists.isFile(), 'bin ran, creating file')
 })
 
 t.test('workspaces', async t => {
-  npm.localPrefix = t.testdir({
-    node_modules: {
-      '.bin': {
-        a: '',
-        foo: '',
-      },
-    },
-    packages: {
-      a: {
+  const registry = new MockRegistry({
+    tap: t,
+    registry: 'https://registry.npmjs.org/',
+  })
+
+  const manifest = registry.manifest({ name: '@npmcli/npx-test' })
+  manifest.versions['1.0.0'].bin = { 'npx-test': 'index.js' }
+
+  const { npm } = await loadMockNpm(t, {
+    config: {
+      yes: true,
+      workspace: ['workspace-a'],
+    },
+    prefixDir: {
+      'npm-exec-test': {
+        'package.json': JSON.stringify(manifest),
+        'index.js': `#!/usr/bin/env node
+  require('fs').writeFileSync('npm-exec-test-success', '')`,
+      },
+      'package.json': JSON.stringify({
+        name: '@npmcli/npx-workspace-test',
+        workspaces: ['workspace-a'],
+      }),
+      'workspace-a': {
         'package.json': JSON.stringify({
-          name: 'a',
-          version: '1.0.0',
-          bin: 'cli.js',
-        }),
-        'cli.js': '',
-      },
-      b: {
-        'package.json': JSON.stringify({
-          name: 'b',
-          version: '1.0.0',
+          name: 'workspace-a',
         }),
       },
     },
-    'package.json': JSON.stringify({
-      name: 'root',
-      version: '1.0.0',
-      workspaces: ['packages/*'],
+    globals: ({ prefix }) => ({
+      'process.cwd': () => prefix,
     }),
   })
 
-  const pkg = { name: 'foo', version: '1.2.3', bin: { foo: 'foo' } }
-  PROGRESS_IGNORED = true
-  npm.localBin = resolve(npm.localPrefix, 'node_modules', '.bin')
-
-  // with arg matching existing bin, run scripts in the context of a workspace
-  await exec.execWorkspaces(['foo', 'one arg', 'two arg'], ['a', 'b'])
-
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: npm.localPrefix,
-      stdioString: true,
-      event: 'npx',
-      env: {
-        PATH: [npm.localBin, process.env.PATH].join(delimiter),
-      },
-      stdio: 'inherit',
-    },
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: ['one arg', 'two arg'],
-      banner: false,
-      path: npm.localPrefix,
-      stdioString: true,
-      event: 'npx',
-      env: {
-        PATH: [npm.localBin, process.env.PATH].join(delimiter),
-      },
-      stdio: 'inherit',
-    },
-  ], 'should run with multiple args across multiple workspaces')
-
-  // clean up
-  RUN_SCRIPTS.length = 0
-
-  // with packages, run scripts in the context of a workspace
-  config.package = ['foo']
-  config.call = 'foo'
-  config.yes = false
-
-  ARB_ACTUAL_TREE[npm.localPrefix] = {
-    inventory: {
-      query () {
-        return new Set([{ ...pkg, package: pkg }])
-      },
-    },
-  }
-
-  await exec.execWorkspaces([], ['a', 'b'])
-
-  // path should point to the workspace folder
-  t.match(RUN_SCRIPTS, [
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: [],
-      banner: false,
-      path: resolve(npm.localPrefix, 'packages', 'a'),
-      stdioString: true,
-      event: 'npx',
-      stdio: 'inherit',
-    },
-    {
-      pkg: { scripts: { npx: 'foo' } },
-      args: [],
-      banner: false,
-      path: resolve(npm.localPrefix, 'packages', 'b'),
-      stdioString: true,
-      event: 'npx',
-      stdio: 'inherit',
-    },
-  ], 'should run without args in multiple workspaces')
-
-  t.match(ARB_CTOR, [
-    { path: npm.localPrefix },
-    { path: npm.localPrefix },
-  ])
-
-  // no args, spawn interactive shell
-  CI_NAME = null
-  config.package = []
-  config.call = ''
-  process.stdin.isTTY = true
-
-  await exec.execWorkspaces([], ['a'])
-
-  t.strictSame(LOG_WARN, [])
-  t.strictSame(
-    npm._mockOutputs,
-    [
-      [
-        `\nEntering npm script environment in workspace a@1.0.0 at location:\n${resolve(
-          npm.localPrefix,
-          'packages/a'
-        )}\nType 'exit' or ^D when finished\n`,
-      ],
-    ],
-    'printed message about interactive shell'
-  )
-
-  npm.color = true
-  flatOptions.color = true
-  npm._mockOutputs.length = 0
-  await exec.execWorkspaces([], ['a'])
-
-  t.strictSame(LOG_WARN, [])
-  t.strictSame(
-    npm._mockOutputs,
-    [
-      [
-        /* eslint-disable-next-line max-len */
-        `\u001b[0m\u001b[0m\n\u001b[0mEntering npm script environment\u001b[0m\u001b[0m in workspace \u001b[32ma@1.0.0\u001b[39m at location:\u001b[0m\n\u001b[0m\u001b[2m${resolve(
-          npm.localPrefix,
-          'packages/a'
-          /* eslint-disable-next-line max-len */
-        )}\u001b[22m\u001b[0m\u001b[1m\u001b[22m\n\u001b[1mType 'exit' or ^D when finished\u001b[22m\n\u001b[1m\u001b[22m`,
-      ],
-    ],
-    'printed message about interactive shell'
-  )
+  await registry.package({ manifest,
+    tarballs: {
+      '1.0.0': path.join(npm.prefix, 'npm-exec-test'),
+    } })
+  await npm.exec('exec', ['@npmcli/npx-test'])
+  const exists = await fs.stat(path.join(npm.prefix, 'workspace-a', 'npm-exec-test-success'))
+  t.ok(exists.isFile(), 'bin ran, creating file inside workspace')
 })
diff --git a/deps/npm/test/lib/commands/ls.js b/deps/npm/test/lib/commands/ls.js
index 412d5ce6532a04..f4cd4ef33d58e7 100644
--- a/deps/npm/test/lib/commands/ls.js
+++ b/deps/npm/test/lib/commands/ls.js
@@ -178,6 +178,44 @@ t.test('ls', t => {
     )
   })
 
+  t.test('workspace and missing optional dep', async t => {
+    npm.prefix = npm.localPrefix = t.testdir({
+      'package.json': JSON.stringify({
+        name: 'root',
+        dependencies: {
+          foo: '^1.0.0',
+        },
+        optionalDependencies: {
+          bar: '^1.0.0',
+        },
+        workspaces: ['./baz'],
+      }),
+      baz: {
+        'package.json': JSON.stringify({
+          name: 'baz',
+          version: '1.0.0',
+        }),
+      },
+      node_modules: {
+        baz: t.fixture('symlink', '../baz'),
+        foo: {
+          'package.json': JSON.stringify({
+            name: 'foo',
+            version: '1.0.0',
+          }),
+        },
+      },
+    })
+
+    npm.flatOptions.includeWorkspaceRoot = true
+    t.teardown(() => {
+      delete npm.flatOptions.includeWorkspaceRoot
+    })
+
+    await ls.execWorkspaces([], ['baz'])
+    t.matchSnapshot(redactCwd(result), 'should omit missing optional dep')
+  })
+
   t.test('extraneous deps', async t => {
     npm.prefix = t.testdir({
       'package.json': JSON.stringify({
diff --git a/deps/npm/test/lib/commands/query.js b/deps/npm/test/lib/commands/query.js
new file mode 100644
index 00000000000000..fb5b4843c34ee7
--- /dev/null
+++ b/deps/npm/test/lib/commands/query.js
@@ -0,0 +1,199 @@
+const t = require('tap')
+const { load: loadMockNpm } = require('../../fixtures/mock-npm')
+
+t.cleanSnapshot = (str) => {
+  const normalizePath = p => p
+    .replace(/\\+/g, '/')
+    .replace(/\r\n/g, '\n')
+  return normalizePath(str)
+    .replace(new RegExp(normalizePath(process.cwd()), 'g'), '{CWD}')
+    // normalize between windows and posix
+    .replace(new RegExp('lib/node_modules', 'g'), 'node_modules')
+}
+
+t.test('simple query', async t => {
+  const { npm, joinedOutput } = await loadMockNpm(t, {
+    prefixDir: {
+      node_modules: {
+        a: {
+          name: 'a',
+          version: '1.0.0',
+        },
+        b: {
+          name: 'b',
+          version: '^2.0.0',
+        },
+      },
+      'package.json': JSON.stringify({
+        name: 'project',
+        dependencies: {
+          a: '^1.0.0',
+          b: '^1.0.0',
+        },
+        peerDependencies: {
+          c: '1.0.0',
+        },
+      }),
+    },
+  })
+  await npm.exec('query', [':root, :root > *'])
+  t.matchSnapshot(joinedOutput(), 'should return root object and direct children')
+})
+
+t.test('recursive tree', async t => {
+  const { npm, joinedOutput } = await loadMockNpm(t, {
+    prefixDir: {
+      node_modules: {
+        a: {
+          name: 'a',
+          version: '1.0.0',
+        },
+        b: {
+          name: 'b',
+          version: '^2.0.0',
+          dependencies: {
+            a: '1.0.0',
+          },
+        },
+      },
+      'package.json': JSON.stringify({
+        name: 'project',
+        dependencies: {
+          a: '^1.0.0',
+          b: '^1.0.0',
+        },
+      }),
+    },
+  })
+  await npm.exec('query', ['*'])
+  t.matchSnapshot(joinedOutput(), 'should return everything in the tree, accounting for recursion')
+})
+t.test('workspace query', async t => {
+  const { npm, joinedOutput } = await loadMockNpm(t, {
+    config: {
+      workspaces: ['c'],
+    },
+    prefixDir: {
+      node_modules: {
+        a: {
+          name: 'a',
+          version: '1.0.0',
+        },
+        b: {
+          name: 'b',
+          version: '^2.0.0',
+        },
+        c: t.fixture('symlink', '../c'),
+      },
+      c: {
+        'package.json': JSON.stringify({
+          name: 'c',
+          version: '1.0.0',
+        }),
+      },
+      'package.json': JSON.stringify({
+        name: 'project',
+        workspaces: ['c'],
+        dependencies: {
+          a: '^1.0.0',
+          b: '^1.0.0',
+        },
+      }),
+    },
+  })
+  await npm.exec('query', [':scope'], ['c'])
+  t.matchSnapshot(joinedOutput(), 'should return workspace object')
+})
+
+t.test('include-workspace-root', async t => {
+  const { npm, joinedOutput } = await loadMockNpm(t, {
+    config: {
+      'include-workspace-root': true,
+      workspaces: ['c'],
+    },
+    prefixDir: {
+      node_modules: {
+        a: {
+          name: 'a',
+          version: '1.0.0',
+        },
+        b: {
+          name: 'b',
+          version: '^2.0.0',
+        },
+        c: t.fixture('symlink', '../c'),
+      },
+      c: {
+        'package.json': JSON.stringify({
+          name: 'c',
+          version: '1.0.0',
+        }),
+      },
+      'package.json': JSON.stringify({
+        name: 'project',
+        workspaces: ['c'],
+        dependencies: {
+          a: '^1.0.0',
+          b: '^1.0.0',
+        },
+      }),
+    },
+  })
+  await npm.exec('query', [':scope'], ['c'])
+  t.matchSnapshot(joinedOutput(), 'should return workspace object and root object')
+})
+t.test('linked node', async t => {
+  const { npm, joinedOutput } = await loadMockNpm(t, {
+    prefixDir: {
+      node_modules: {
+        a: t.fixture('symlink', '../a'),
+      },
+      a: {
+        'package.json': JSON.stringify({
+          name: 'a',
+          version: '1.0.0',
+        }),
+      },
+      'package.json': JSON.stringify({
+        name: 'project',
+        dependencies: {
+          a: 'file:./a',
+        },
+      }),
+    },
+  })
+  await npm.exec('query', ['[name=a]'])
+  t.matchSnapshot(joinedOutput(), 'should return linked node res')
+})
+
+t.test('global', async t => {
+  const { npm, joinedOutput } = await loadMockNpm(t, {
+    config: {
+      global: true,
+    },
+    // This is a global dir that works in both windows and non-windows, that's
+    // why it has two node_modules folders
+    globalPrefixDir: {
+      node_modules: {
+        lorem: {
+          'package.json': JSON.stringify({
+            name: 'lorem',
+            version: '2.0.0',
+          }),
+        },
+      },
+      lib: {
+        node_modules: {
+          lorem: {
+            'package.json': JSON.stringify({
+              name: 'lorem',
+              version: '2.0.0',
+            }),
+          },
+        },
+      },
+    },
+  })
+  await npm.exec('query', ['[name=lorem]'])
+  t.matchSnapshot(joinedOutput(), 'should return global package')
+})
diff --git a/deps/npm/test/lib/utils/open-url-prompt.js b/deps/npm/test/lib/utils/open-url-prompt.js
index 6908e36b7c81e3..03f6b596d7643e 100644
--- a/deps/npm/test/lib/utils/open-url-prompt.js
+++ b/deps/npm/test/lib/utils/open-url-prompt.js
@@ -28,6 +28,8 @@ const opener = (url, opts, cb) => {
 }
 
 let questionShouldResolve = true
+let openUrlPromptInterrupted = false
+
 const readline = {
   createInterface: () => ({
     question: (_q, cb) => {
@@ -36,6 +38,11 @@ const readline = {
       }
     },
     close: () => {},
+    on: (_signal, cb) => {
+      if (openUrlPromptInterrupted && _signal === 'SIGINT') {
+        cb()
+      }
+    },
   }),
 }
 
@@ -148,3 +155,25 @@ t.test('returns error when opener errors', async t => {
   )
   t.equal(openerUrl, 'https://www.npmjs.com', 'did not open')
 })
+
+t.test('throws "canceled" error on SIGINT', async t => {
+  t.teardown(() => {
+    openerUrl = null
+    openerOpts = null
+    OUTPUT.length = 0
+    questionShouldResolve = true
+    openUrlPromptInterrupted = false
+  })
+
+  questionShouldResolve = false
+  openUrlPromptInterrupted = true
+  const emitter = new EventEmitter()
+
+  const open = openUrlPrompt(npm, 'https://www.npmjs.com', 'npm home', 'prompt', emitter)
+
+  try {
+    await open
+  } catch (err) {
+    t.equal(err.message, 'canceled')
+  }
+})

From 646417cdfe47b283b321e98a7bb686b2e19cf61d Mon Sep 17 00:00:00 2001
From: mscdex 
Date: Fri, 5 Aug 2022 00:43:32 -0400
Subject: [PATCH 081/147] deps: remove unnecessary file

PR-URL: https://github.com/nodejs/node/pull/44133
Reviewed-By: Luigi Pinca 
Reviewed-By: theanarkh 
Reviewed-By: Richard Lau 
Reviewed-By: Feng Yu 
---
 deps/base64/base64/defines.txt | 362 ---------------------------------
 1 file changed, 362 deletions(-)
 delete mode 100644 deps/base64/base64/defines.txt

diff --git a/deps/base64/base64/defines.txt b/deps/base64/base64/defines.txt
deleted file mode 100644
index 17e7303594dd43..00000000000000
--- a/deps/base64/base64/defines.txt
+++ /dev/null
@@ -1,362 +0,0 @@
-#define __DBL_MIN_EXP__ (-1021)
-#define __LDBL_MANT_DIG__ 113
-#define STOR(A,B,C,D) "st4 {"A".16b, "B".16b, "C".16b, "D".16b}, [%[dst]], #64 \n\t"
-#define ROUND_A() SHUF("v2", "v3", "v4") LOAD("v12", "v13", "v14") TRAN("v2", "v3", "v4", "v5") STOR("v2", "v3", "v4", "v5")
-#define __UINT_LEAST16_MAX__ 0xffff
-#define __ARM_SIZEOF_WCHAR_T 4
-#define __DBL_DECIMAL_DIG__ 17
-#define __ATOMIC_ACQUIRE 2
-#define __FLT128_MAX_10_EXP__ 4932
-#define __FLT_MIN__ 1.17549435082228750796873653722224568e-38F
-#define __GCC_IEC_559_COMPLEX 2
-#define __UINT_LEAST8_TYPE__ unsigned char
-#define __FLT128_DIG__ 33
-#define __INTMAX_C(c) c ## L
-#define __CHAR_BIT__ 8
-#define __UINT8_MAX__ 0xff
-#define __WCHAR_MAX__ 0xffffffffU
-#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
-#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
-#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
-#define __GCC_ATOMIC_CHAR_LOCK_FREE 2
-#define __GCC_IEC_559 2
-#define __FLT32X_DECIMAL_DIG__ 17
-#define __FLT_EVAL_METHOD__ 0
-#define HAVE_NEON64 1
-#define __FLT64_DECIMAL_DIG__ 17
-#define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2
-#define __UINT_FAST32_TYPE__ long unsigned int
-#define __UINT_FAST64_MAX__ 0xffffffffffffffffUL
-#define __SIG_ATOMIC_TYPE__ int
-#define __DBL_MIN_10_EXP__ (-307)
-#define __FINITE_MATH_ONLY__ 0
-#define __FLT32X_MAX_EXP__ 1024
-#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
-#define __GNUC_PATCHLEVEL__ 1
-#define __FLT32_HAS_DENORM__ 1
-#define __UINT_FAST8_MAX__ 0xff
-#define __INT8_C(c) c
-#define __INT_LEAST8_WIDTH__ 8
-#define __INTMAX_TYPE__ long int
-#define __UINT_LEAST64_MAX__ 0xffffffffffffffffUL
-#define __SHRT_MAX__ 0x7fff
-#define __STDC_ISO_10646__ 201706L
-#define __LDBL_MAX__ 1.18973149535723176508575932662800702e+4932L
-#define __ARM_FEATURE_IDIV 1
-#define __FLT64X_MAX_10_EXP__ 4932
-#define __ARM_FP 14
-#define __FLT64X_HAS_QUIET_NAN__ 1
-#define __WINT_TYPE__ unsigned int
-#define __UINT_LEAST8_MAX__ 0xff
-#define __FLT128_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966F128
-#define __UINTMAX_TYPE__ long unsigned int
-#define _STDC_PREDEF_H 1
-#define __linux 1
-#define __FLT_EVAL_METHOD_TS_18661_3__ 0
-#define __CHAR_UNSIGNED__ 1
-#define __UINT32_MAX__ 0xffffffffU
-#define __DBL_DENORM_MIN__ ((double)4.94065645841246544176568792868221372e-324L)
-#define __AARCH64_CMODEL_SMALL__ 1
-#define __LDBL_MAX_EXP__ 16384
-#define __INT_FAST32_WIDTH__ 64
-#define __FLT128_MIN_EXP__ (-16381)
-#define __FLT128_MIN_10_EXP__ (-4931)
-#define __INT_LEAST16_WIDTH__ 16
-#define __FLT64X_MIN_EXP__ (-16381)
-#define __SCHAR_MAX__ 0x7f
-#define __FLT128_MANT_DIG__ 113
-#define __DBL_MAX__ ((double)1.79769313486231570814527423731704357e+308L)
-#define __WCHAR_MIN__ 0U
-#define __INT64_C(c) c ## L
-#define __GCC_ATOMIC_POINTER_LOCK_FREE 2
-#define __SIZEOF_INT__ 4
-#define __INT_FAST64_WIDTH__ 64
-#define __PRAGMA_REDEFINE_EXTNAME 1
-#define __FLT32X_MANT_DIG__ 53
-#define __USER_LABEL_PREFIX__ 
-#define __FLT32_MAX_10_EXP__ 38
-#define __FLT64X_EPSILON__ 1.92592994438723585305597794258492732e-34F64x
-#define __STDC_HOSTED__ 1
-#define __DBL_DIG__ 15
-#define __FLT32_DIG__ 6
-#define __FLT_EPSILON__ 1.19209289550781250000000000000000000e-7F
-#define __SHRT_WIDTH__ 16
-#define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
-#define __STDC_UTF_16__ 1
-#define __FLT16_HAS_QUIET_NAN__ 1
-#define __ARM_SIZEOF_MINIMAL_ENUM 4
-#define __FLT64X_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966F64x
-#define __FP_FAST_FMA 1
-#define __FLT32X_HAS_INFINITY__ 1
-#define __INT32_MAX__ 0x7fffffff
-#define __FLT16_DIG__ 3
-#define __INT_WIDTH__ 32
-#define __SIZEOF_LONG__ 8
-#define __STDC_IEC_559__ 1
-#define __UINT16_C(c) c
-#define __DECIMAL_DIG__ 36
-#define __STDC_IEC_559_COMPLEX__ 1
-#define __FLT64_EPSILON__ 2.22044604925031308084726333618164062e-16F64
-#define __gnu_linux__ 1
-#define __INT16_MAX__ 0x7fff
-#define LOAD(A,B,C) "ld3 {"A".16b, "B".16b, "C".16b}, [%[src]], #48 \n\t"
-#define __FLT64X_MIN_10_EXP__ (-4931)
-#define __LDBL_HAS_QUIET_NAN__ 1
-#define __FLT16_MIN_EXP__ (-13)
-#define __FLT64_MANT_DIG__ 53
-#define __FLT64X_MANT_DIG__ 113
-#define __GNUC__ 10
-#define __FLT_HAS_DENORM__ 1
-#define __SIZEOF_LONG_DOUBLE__ 16
-#define __LDBL_MIN_EXP__ (-16381)
-#define __FLT64_MAX_10_EXP__ 308
-#define __FLT16_MAX_10_EXP__ 4
-#define __INT_FAST32_MAX__ 0x7fffffffffffffffL
-#define __DBL_HAS_INFINITY__ 1
-#define __HAVE_SPECULATION_SAFE_VALUE 1
-#define __INTPTR_WIDTH__ 64
-#define __FLT32X_HAS_DENORM__ 1
-#define __INT_FAST16_TYPE__ long int
-#define __LDBL_HAS_DENORM__ 1
-#define __FLT128_HAS_INFINITY__ 1
-#define __FLT32_DECIMAL_DIG__ 9
-#define __DBL_MAX_EXP__ 1024
-#define __WCHAR_WIDTH__ 32
-#define __FLT32_MAX__ 3.40282346638528859811704183484516925e+38F32
-#define __GCC_ATOMIC_LONG_LOCK_FREE 2
-#define __FLT16_DECIMAL_DIG__ 5
-#define __FLT32_HAS_QUIET_NAN__ 1
-#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL
-#define __SIZEOF_SIZE_T__ 8
-#define __SIG_ATOMIC_WIDTH__ 32
-#define __ARM_ALIGN_MAX_PWR 28
-#define __SIZEOF_WINT_T__ 4
-#define __LONG_LONG_WIDTH__ 64
-#define __FLT32_MAX_EXP__ 128
-#define __ARM_FP16_FORMAT_IEEE 1
-#define __FLT_MIN_EXP__ (-125)
-#define __FLT64_NORM_MAX__ 1.79769313486231570814527423731704357e+308F64
-#define __GCC_HAVE_DWARF2_CFI_ASM 1
-#define __FLT32X_MIN_EXP__ (-1021)
-#define __INT_FAST64_TYPE__ long int
-#define __ARM_FP16_ARGS 1
-#define __FP_FAST_FMAF 1
-#define __FLT128_NORM_MAX__ 1.18973149535723176508575932662800702e+4932F128
-#define __FLT64_DENORM_MIN__ 4.94065645841246544176568792868221372e-324F64
-#define __DBL_MIN__ ((double)2.22507385850720138309023271733240406e-308L)
-#define __ARM_FEATURE_CLZ 1
-#define __FLT16_DENORM_MIN__ 5.96046447753906250000000000000000000e-8F16
-#define __unix__ 1
-#define __FLT64X_NORM_MAX__ 1.18973149535723176508575932662800702e+4932F64x
-#define __SIZEOF_POINTER__ 8
-#define __GXX_ABI_VERSION 1014
-#define __LP64__ 1
-#define __DBL_HAS_QUIET_NAN__ 1
-#define __FLT_EVAL_METHOD_C99__ 0
-#define __FLT32X_EPSILON__ 2.22044604925031308084726333618164062e-16F32x
-#define __FLT64_MIN_EXP__ (-1021)
-#define __UINT64_MAX__ 0xffffffffffffffffUL
-#define __LDBL_DECIMAL_DIG__ 36
-#define __FLT_MAX__ 3.40282346638528859811704183484516925e+38F
-#define __aarch64__ 1
-#define __FLT64_MIN_10_EXP__ (-307)
-#define __FLT64X_DECIMAL_DIG__ 36
-#define __REGISTER_PREFIX__ 
-#define __UINT16_MAX__ 0xffff
-#define __INTMAX_WIDTH__ 64
-#define __LDBL_HAS_INFINITY__ 1
-#define __FLT32_MIN__ 1.17549435082228750796873653722224568e-38F32
-#define __FLT_DIG__ 6
-#define __NO_INLINE__ 1
-#define __DEC_EVAL_METHOD__ 2
-#define __FLT_MANT_DIG__ 24
-#define __FLT16_MIN_10_EXP__ (-4)
-#define __VERSION__ "10.3.1 20210621"
-#define __UINT64_C(c) c ## UL
-#define __WINT_MAX__ 0xffffffffU
-#define __INT_LEAST32_MAX__ 0x7fffffff
-#define __GCC_ATOMIC_INT_LOCK_FREE 2
-#define __FLT32X_MIN__ 2.22507385850720138309023271733240406e-308F32x
-#define __FLT128_MAX_EXP__ 16384
-#define __FLT32_MANT_DIG__ 24
-#define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__
-#define __FLT16_MAX_EXP__ 16
-#define __BIGGEST_ALIGNMENT__ 16
-#define __INT32_C(c) c
-#define __FLT128_HAS_DENORM__ 1
-#define __SCHAR_WIDTH__ 8
-#define __ORDER_PDP_ENDIAN__ 3412
-#define __ARM_64BIT_STATE 1
-#define __INT_FAST32_TYPE__ long int
-#define ROUND() LOAD("v12", "v13", "v14") SHUF("v12", "v13", "v14") TRAN("v12", "v13", "v14", "v15") STOR("v12", "v13", "v14", "v15")
-#define __UINT_LEAST16_TYPE__ short unsigned int
-#define __SIZE_TYPE__ long unsigned int
-#define __FLT64X_DIG__ 33
-#define __ARM_FEATURE_FMA 1
-#define __INT8_TYPE__ signed char
-#define __ELF__ 1
-#define __GCC_ASM_FLAG_OUTPUTS__ 1
-#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
-#define __FLT_RADIX__ 2
-#define __INT_LEAST16_TYPE__ short int
-#define __ARM_ARCH_PROFILE 65
-#define __LDBL_EPSILON__ 1.92592994438723585305597794258492732e-34L
-#define __UINTMAX_C(c) c ## UL
-#define __ARM_PCS_AAPCS64 1
-#define __SIG_ATOMIC_MAX__ 0x7fffffff
-#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2
-#define __SIZEOF_PTRDIFF_T__ 8
-#define __ATOMIC_RELAXED 0
-#define __LDBL_DIG__ 33
-#define __AARCH64EL__ 1
-#define __INT_FAST16_MAX__ 0x7fffffffffffffffL
-#define __FLT64_DIG__ 15
-#define __UINT_FAST32_MAX__ 0xffffffffffffffffUL
-#define __UINT_LEAST64_TYPE__ long unsigned int
-#define __FLT16_EPSILON__ 9.76562500000000000000000000000000000e-4F16
-#define __FLT_HAS_QUIET_NAN__ 1
-#define __FLT_MAX_10_EXP__ 38
-#define __LONG_MAX__ 0x7fffffffffffffffL
-#define ROUND_A_FIRST() LOAD("v2", "v3", "v4") ROUND_A()
-#define __FLT64X_HAS_DENORM__ 1
-#define __FLT_HAS_INFINITY__ 1
-#define ROUND_B() SHUF("v12", "v13", "v14") LOAD("v2", "v3", "v4") TRAN("v12", "v13", "v14", "v15") STOR("v12", "v13", "v14", "v15")
-#define __unix 1
-#define __DBL_HAS_DENORM__ 1
-#define __UINT_FAST16_TYPE__ long unsigned int
-#define __FLT32X_HAS_QUIET_NAN__ 1
-#define __CHAR16_TYPE__ short unsigned int
-#define __FLT64X_MAX_EXP__ 16384
-#define __SIZE_WIDTH__ 64
-#define __INT_LEAST16_MAX__ 0x7fff
-#define __FLT16_NORM_MAX__ 6.55040000000000000000000000000000000e+4F16
-#define __INT64_MAX__ 0x7fffffffffffffffL
-#define __FLT32_DENORM_MIN__ 1.40129846432481707092372958328991613e-45F32
-#define __INT_LEAST64_TYPE__ long int
-#define __INT16_TYPE__ short int
-#define __INT_LEAST8_TYPE__ signed char
-#define __FLT16_MAX__ 6.55040000000000000000000000000000000e+4F16
-#define __STDC_VERSION__ 201710L
-#define __INT_FAST8_MAX__ 0x7f
-#define __ARM_ARCH 8
-#define __FLT128_MAX__ 1.18973149535723176508575932662800702e+4932F128
-#define __INTPTR_MAX__ 0x7fffffffffffffffL
-#define linux 1
-#define __ARM_FEATURE_UNALIGNED 1
-#define __FLT64_HAS_QUIET_NAN__ 1
-#define __FLT32_MIN_10_EXP__ (-37)
-#define __FLT32X_DIG__ 15
-#define __UINT8_TYPE__ unsigned char
-#define __PTRDIFF_WIDTH__ 64
-#define __FLT64_HAS_INFINITY__ 1
-#define __FLT64X_MAX__ 1.18973149535723176508575932662800702e+4932F64x
-#define __FLT16_HAS_INFINITY__ 1
-#define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1)
-#define __PTRDIFF_MAX__ 0x7fffffffffffffffL
-#define __FLT16_MANT_DIG__ 11
-#define __INTPTR_TYPE__ long int
-#define __UINT16_TYPE__ short unsigned int
-#define __WCHAR_TYPE__ unsigned int
-#define __UINTPTR_MAX__ 0xffffffffffffffffUL
-#define __ARM_ARCH_8A 1
-#define __INT_FAST64_MAX__ 0x7fffffffffffffffL
-#define __FLT_NORM_MAX__ 3.40282346638528859811704183484516925e+38F
-#define __FLT32_HAS_INFINITY__ 1
-#define __UINT_FAST64_TYPE__ long unsigned int
-#define __INT_MAX__ 0x7fffffff
-#define __INT64_TYPE__ long int
-#define __FLT_MAX_EXP__ 128
-#define __ORDER_BIG_ENDIAN__ 4321
-#define __DBL_MANT_DIG__ 53
-#define __INT_LEAST64_MAX__ 0x7fffffffffffffffL
-#define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 2
-#define __FP_FAST_FMAF32 1
-#define __UINT_LEAST32_TYPE__ unsigned int
-#define __SIZEOF_SHORT__ 2
-#define __FLT32_NORM_MAX__ 3.40282346638528859811704183484516925e+38F32
-#define __GCC_ATOMIC_BOOL_LOCK_FREE 2
-#define __FLT64_MAX__ 1.79769313486231570814527423731704357e+308F64
-#define __WINT_WIDTH__ 32
-#define __FP_FAST_FMAF64 1
-#define __INT_LEAST8_MAX__ 0x7f
-#define __INT_LEAST64_WIDTH__ 64
-#define __FLT32X_MAX_10_EXP__ 308
-#define __SIZEOF_INT128__ 16
-#define __FLT16_MIN__ 6.10351562500000000000000000000000000e-5F16
-#define __LDBL_MAX_10_EXP__ 4932
-#define __DBL_EPSILON__ ((double)2.22044604925031308084726333618164062e-16L)
-#define __FLT32_MIN_EXP__ (-125)
-#define __FLT128_MIN__ 3.36210314311209350626267781732175260e-4932F128
-#define _LP64 1
-#define __UINT8_C(c) c
-#define __FLT64_MAX_EXP__ 1024
-#define __INT_LEAST32_TYPE__ int
-#define __UINT64_TYPE__ long unsigned int
-#define __ARM_NEON 1
-#define __FLT128_HAS_QUIET_NAN__ 1
-#define __INTMAX_MAX__ 0x7fffffffffffffffL
-#define __UINT_FAST8_TYPE__ unsigned char
-#define __INT_FAST8_TYPE__ signed char
-#define __FLT64X_MIN__ 3.36210314311209350626267781732175260e-4932F64x
-#define __GNUC_STDC_INLINE__ 1
-#define __FLT64_HAS_DENORM__ 1
-#define __FLT32_EPSILON__ 1.19209289550781250000000000000000000e-7F32
-#define __FP_FAST_FMAF32x 1
-#define __FLT16_HAS_DENORM__ 1
-#define __STDC_UTF_32__ 1
-#define __INT_FAST8_WIDTH__ 8
-#define __FLT32X_MAX__ 1.79769313486231570814527423731704357e+308F32x
-#define __DBL_NORM_MAX__ ((double)1.79769313486231570814527423731704357e+308L)
-#define __FLT64X_HAS_INFINITY__ 1
-#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
-#define __ARM_ALIGN_MAX_STACK_PWR 16
-#define __LDBL_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966L
-#define __SIZEOF_WCHAR_T__ 4
-#define unix 1
-#define __UINT32_C(c) c ## U
-#define __FLT_DENORM_MIN__ 1.40129846432481707092372958328991613e-45F
-#define __WINT_MIN__ 0U
-#define __INT8_MAX__ 0x7f
-#define __LONG_WIDTH__ 64
-#define __FLT32X_NORM_MAX__ 1.79769313486231570814527423731704357e+308F32x
-#define __CHAR32_TYPE__ unsigned int
-#define __ARM_FEATURE_NUMERIC_MAXMIN 1
-#define __INT32_TYPE__ int
-#define __SIZEOF_DOUBLE__ 8
-#define __FLT_MIN_10_EXP__ (-37)
-#define __FLT64_MIN__ 2.22507385850720138309023271733240406e-308F64
-#define __INT_LEAST32_WIDTH__ 32
-#define __SIZEOF_FLOAT__ 4
-#define __ATOMIC_CONSUME 1
-#define __GNUC_MINOR__ 3
-#define __INT_FAST16_WIDTH__ 64
-#define __UINTMAX_MAX__ 0xffffffffffffffffUL
-#define __FLT32X_DENORM_MIN__ 4.94065645841246544176568792868221372e-324F32x
-#define SHUF(A,B,C) "ushr %[t0].16b, "A".16b,   #2         \n\t" "ushr %[t1].16b, "B".16b,   #4         \n\t" "ushr %[t2].16b, "C".16b,   #6         \n\t" "sli  %[t1].16b, "A".16b,   #4         \n\t" "sli  %[t2].16b, "B".16b,   #2         \n\t" "and  %[t1].16b, %[t1].16b, %[n63].16b \n\t" "and  %[t2].16b, %[t2].16b, %[n63].16b \n\t" "and  %[t3].16b, "C".16b,   %[n63].16b \n\t"
-#define __DBL_MAX_10_EXP__ 308
-#define __INT16_C(c) c
-#define __ARM_ARCH_ISA_A64 1
-#define __STDC__ 1
-#define __PTRDIFF_TYPE__ long int
-#define TRAN(A,B,C,D) "tbl "A".16b, {v8.16b-v11.16b}, %[t0].16b \n\t" "tbl "B".16b, {v8.16b-v11.16b}, %[t1].16b \n\t" "tbl "C".16b, {v8.16b-v11.16b}, %[t2].16b \n\t" "tbl "D".16b, {v8.16b-v11.16b}, %[t3].16b \n\t"
-#define __ATOMIC_SEQ_CST 5
-#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 1
-#define ROUND_B_LAST() SHUF("v12", "v13", "v14") TRAN("v12", "v13", "v14", "v15") STOR("v12", "v13", "v14", "v15")
-#define __UINT32_TYPE__ unsigned int
-#define __FLT32X_MIN_10_EXP__ (-307)
-#define __UINTPTR_TYPE__ long unsigned int
-#define __linux__ 1
-#define __LDBL_MIN_10_EXP__ (-4931)
-#define __FLT128_EPSILON__ 1.92592994438723585305597794258492732e-34F128
-#define __SIZEOF_LONG_LONG__ 8
-#define __FLT128_DECIMAL_DIG__ 36
-#define __GCC_ATOMIC_LLONG_LOCK_FREE 2
-#define __FLT_DECIMAL_DIG__ 9
-#define __UINT_FAST16_MAX__ 0xffffffffffffffffUL
-#define __LDBL_NORM_MAX__ 1.18973149535723176508575932662800702e+4932L
-#define __GCC_ATOMIC_SHORT_LOCK_FREE 2
-#define __ORDER_LITTLE_ENDIAN__ 1234
-#define __SIZE_MAX__ 0xffffffffffffffffUL
-#define __UINT_LEAST32_MAX__ 0xffffffffU
-#define __ATOMIC_ACQ_REL 4
-#define __ATOMIC_RELEASE 3

From 9fc95349c62955ef9613c31b570d227ff1bba177 Mon Sep 17 00:00:00 2001
From: Keyhan Vakil 
Date: Thu, 4 Aug 2022 21:43:39 -0700
Subject: [PATCH 082/147] test: tune down parallelism for some flaky tests

These tests seem to timeout quite often. I don't know why, but one
possible reason is that they are starting a lot of threads. It seems
that tests in `test/parallel` are assumed to only start one thread each,
so having 11 threads running at a time feels like a lot.

It also seems that these tests fail in a correlated fashion: take a look
at [this reliability report][]. The failures all occur on the same build
machines on the same PRs. This suggests to me some sort of CPU
contention.

[this reliability report]: https://github.com/nodejs/reliability/issues/334

On my Linux machine decreasing the parallelism & iterations here reduce
the `user` time from ~11.5 seconds to ~2 seconds, depending on the test.
I have seen these tests take 30-60 seconds on CI (Alpine in particular).

I went back to the diffs that introduced that introduced these changes
and verified that they failed at least 90% of the time with the reduced
iteration count, which feels sufficient.

Refs: https://github.com/nodejs/node/issues/43499
Refs: https://github.com/nodejs/node/issues/43084
PR-URL: https://github.com/nodejs/node/pull/44090
Reviewed-By: Antoine du Hamel 
Reviewed-By: Luigi Pinca 
---
 test/parallel/test-worker-fshandles-error-on-termination.js   | 4 ++--
 .../test-worker-fshandles-open-close-on-termination.js        | 4 ++--
 test/parallel/test-worker-http2-stream-terminate.js           | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/test/parallel/test-worker-fshandles-error-on-termination.js b/test/parallel/test-worker-fshandles-error-on-termination.js
index 72fb969963a2b0..ada99a991bcc97 100644
--- a/test/parallel/test-worker-fshandles-error-on-termination.js
+++ b/test/parallel/test-worker-fshandles-error-on-termination.js
@@ -6,8 +6,8 @@ const fs = require('fs/promises');
 const { scheduler } = require('timers/promises');
 const { parentPort, Worker } = require('worker_threads');
 
-const MAX_ITERATIONS = 20;
-const MAX_THREADS = 10;
+const MAX_ITERATIONS = 5;
+const MAX_THREADS = 6;
 
 // Do not use isMainThread so that this test itself can be run inside a Worker.
 if (!process.env.HAS_STARTED_WORKER) {
diff --git a/test/parallel/test-worker-fshandles-open-close-on-termination.js b/test/parallel/test-worker-fshandles-open-close-on-termination.js
index 2cbd886b15fe4e..db7c0221fcc1a3 100644
--- a/test/parallel/test-worker-fshandles-open-close-on-termination.js
+++ b/test/parallel/test-worker-fshandles-open-close-on-termination.js
@@ -6,8 +6,8 @@ const fs = require('fs/promises');
 const { scheduler } = require('timers/promises');
 const { parentPort, Worker } = require('worker_threads');
 
-const MAX_ITERATIONS = 20;
-const MAX_THREADS = 10;
+const MAX_ITERATIONS = 5;
+const MAX_THREADS = 6;
 
 // Do not use isMainThread so that this test itself can be run inside a Worker.
 if (!process.env.HAS_STARTED_WORKER) {
diff --git a/test/parallel/test-worker-http2-stream-terminate.js b/test/parallel/test-worker-http2-stream-terminate.js
index 94e60e773c4b3e..a2a1c020035eac 100644
--- a/test/parallel/test-worker-http2-stream-terminate.js
+++ b/test/parallel/test-worker-http2-stream-terminate.js
@@ -11,8 +11,8 @@ const { Worker, parentPort } = require('worker_threads');
 // stream activity is ongoing, in particular the C++ function
 // ReportWritesToJSStreamListener::OnStreamAfterReqFinished.
 
-const MAX_ITERATIONS = 20;
-const MAX_THREADS = 10;
+const MAX_ITERATIONS = 5;
+const MAX_THREADS = 6;
 
 // Do not use isMainThread so that this test itself can be run inside a Worker.
 if (!process.env.HAS_STARTED_WORKER) {

From ed36b0dfa7951a9167c2849b30beff3558c02e91 Mon Sep 17 00:00:00 2001
From: theanarkh 
Date: Fri, 5 Aug 2022 22:25:06 +0800
Subject: [PATCH 083/147] http: trace http request / response

PR-URL: https://github.com/nodejs/node/pull/44102
Reviewed-By: Matteo Collina 
Reviewed-By: Paolo Insogna 
---
 doc/api/tracing.md                      |  1 +
 lib/_http_client.js                     | 21 +++++++++++-
 lib/_http_server.js                     | 17 ++++++++++
 lib/internal/http.js                    | 29 ++++++++++++++++
 test/parallel/test-trace-events-http.js | 44 +++++++++++++++++++++++++
 5 files changed, 111 insertions(+), 1 deletion(-)
 create mode 100644 test/parallel/test-trace-events-http.js

diff --git a/doc/api/tracing.md b/doc/api/tracing.md
index 7766412ed0b75a..e4ab6f16c50221 100644
--- a/doc/api/tracing.md
+++ b/doc/api/tracing.md
@@ -36,6 +36,7 @@ The available categories are:
 * `node.vm.script`: Enables capture of trace data for the `node:vm` module's
   `runInNewContext()`, `runInContext()`, and `runInThisContext()` methods.
 * `v8`: The [V8][] events are GC, compiling, and execution related.
+* `node.http`: Enables capture of trace data for http request / response.
 
 By default the `node`, `node.async_hooks`, and `v8` categories are enabled.
 
diff --git a/lib/_http_client.js b/lib/_http_client.js
index 854434533f5b41..19e9753c72467f 100644
--- a/lib/_http_client.js
+++ b/lib/_http_client.js
@@ -64,7 +64,14 @@ const Agent = require('_http_agent');
 const { Buffer } = require('buffer');
 const { defaultTriggerAsyncIdScope } = require('internal/async_hooks');
 const { URL, urlToHttpOptions, searchParamsSymbol } = require('internal/url');
-const { kOutHeaders, kNeedDrain } = require('internal/http');
+const {
+  kOutHeaders,
+  kNeedDrain,
+  isTraceHTTPEnabled,
+  traceBegin,
+  traceEnd,
+  getNextTraceEventId,
+} = require('internal/http');
 const { connResetException, codes } = require('internal/errors');
 const {
   ERR_HTTP_HEADERS_SENT,
@@ -106,6 +113,8 @@ const kError = Symbol('kError');
 const kLenientAll = HTTPParser.kLenientAll | 0;
 const kLenientNone = HTTPParser.kLenientNone | 0;
 
+const HTTP_CLIENT_TRACE_EVENT_NAME = 'http.client.request';
+
 function validateHost(host, name) {
   if (host !== null && host !== undefined && typeof host !== 'string') {
     throw new ERR_INVALID_ARG_TYPE(`options.${name}`,
@@ -376,6 +385,10 @@ ClientRequest.prototype._finish = function _finish() {
       request: this,
     });
   }
+  if (isTraceHTTPEnabled()) {
+    this._traceEventId = getNextTraceEventId();
+    traceBegin(HTTP_CLIENT_TRACE_EVENT_NAME, this._traceEventId);
+  }
 };
 
 ClientRequest.prototype._implicitHeader = function _implicitHeader() {
@@ -660,6 +673,12 @@ function parserOnIncomingClient(res, shouldKeepAlive) {
       response: res,
     });
   }
+  if (isTraceHTTPEnabled() && typeof req._traceEventId === 'number') {
+    traceEnd(HTTP_CLIENT_TRACE_EVENT_NAME, req._traceEventId, {
+      path: req.path,
+      statusCode: res.statusCode,
+    });
+  }
   req.res = res;
   res.req = req;
 
diff --git a/lib/_http_server.js b/lib/_http_server.js
index 1432ac8e637ad9..40955df26c946e 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -55,6 +55,10 @@ const {
 const {
   kOutHeaders,
   kNeedDrain,
+  isTraceHTTPEnabled,
+  traceBegin,
+  traceEnd,
+  getNextTraceEventId,
 } = require('internal/http');
 const {
   defaultTriggerAsyncIdScope,
@@ -174,6 +178,8 @@ const kLenientNone = HTTPParser.kLenientNone | 0;
 const kConnections = Symbol('http.server.connections');
 const kConnectionsCheckingInterval = Symbol('http.server.connectionsCheckingInterval');
 
+const HTTP_SERVER_TRACE_EVENT_NAME = 'http.server.request';
+
 class HTTPServerAsyncResource {
   constructor(type, socket) {
     this.type = type;
@@ -210,6 +216,10 @@ function ServerResponse(req) {
       },
     });
   }
+  if (isTraceHTTPEnabled()) {
+    this._traceEventId = getNextTraceEventId();
+    traceBegin(HTTP_SERVER_TRACE_EVENT_NAME, this._traceEventId);
+  }
 }
 ObjectSetPrototypeOf(ServerResponse.prototype, OutgoingMessage.prototype);
 ObjectSetPrototypeOf(ServerResponse, OutgoingMessage);
@@ -228,6 +238,13 @@ ServerResponse.prototype._finish = function _finish() {
     });
   }
   OutgoingMessage.prototype._finish.call(this);
+  if (isTraceHTTPEnabled() && typeof this._traceEventId === 'number') {
+    const data = {
+      url: this.req?.url,
+      statusCode: this.statusCode,
+    };
+    traceEnd(HTTP_SERVER_TRACE_EVENT_NAME, this._traceEventId, data);
+  }
 };
 
 
diff --git a/lib/internal/http.js b/lib/internal/http.js
index 337d155340f7e6..b20b3cd229efcd 100644
--- a/lib/internal/http.js
+++ b/lib/internal/http.js
@@ -8,6 +8,11 @@ const {
 } = primordials;
 
 const { setUnrefTimeout } = require('internal/timers');
+const { trace, isTraceCategoryEnabled } = internalBinding('trace_events');
+const {
+  CHAR_LOWERCASE_B,
+  CHAR_LOWERCASE_E,
+} = require('internal/constants');
 
 let utcCache;
 
@@ -26,8 +31,32 @@ function resetCache() {
   utcCache = undefined;
 }
 
+let traceEventId = 0;
+
+function getNextTraceEventId() {
+  return ++traceEventId;
+}
+
+function isTraceHTTPEnabled() {
+  return isTraceCategoryEnabled('node.http');
+}
+
+const traceEventCategory = 'node,node.http';
+
+function traceBegin(...args) {
+  trace(CHAR_LOWERCASE_B, traceEventCategory, ...args);
+}
+
+function traceEnd(...args) {
+  trace(CHAR_LOWERCASE_E, traceEventCategory, ...args);
+}
+
 module.exports = {
   kOutHeaders: Symbol('kOutHeaders'),
   kNeedDrain: Symbol('kNeedDrain'),
   utcDate,
+  traceBegin,
+  traceEnd,
+  getNextTraceEventId,
+  isTraceHTTPEnabled,
 };
diff --git a/test/parallel/test-trace-events-http.js b/test/parallel/test-trace-events-http.js
new file mode 100644
index 00000000000000..54e3d4f06e492b
--- /dev/null
+++ b/test/parallel/test-trace-events-http.js
@@ -0,0 +1,44 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const cp = require('child_process');
+const fs = require('fs');
+const path = require('path');
+const tmpdir = require('../common/tmpdir');
+
+const CODE = `
+  const http = require('http');
+  const server = http.createServer((req, res) => {
+    res.end('ok');
+    server.close();
+  }).listen(0, () => {
+    http.get({port: server.address().port});
+  });
+`;
+
+tmpdir.refresh();
+const FILE_NAME = path.join(tmpdir.path, 'node_trace.1.log');
+
+const proc = cp.spawn(process.execPath,
+                      [ '--trace-events-enabled',
+                        '--trace-event-categories', 'node.http',
+                        '-e', CODE ],
+                      { cwd: tmpdir.path });
+
+proc.once('exit', common.mustCall(() => {
+  assert(fs.existsSync(FILE_NAME));
+  fs.readFile(FILE_NAME, common.mustCall((err, data) => {
+    assert(!err);
+    const traces = JSON.parse(data.toString()).traceEvents;
+    assert(traces.length > 0);
+    let count = 0;
+    traces.forEach((trace) => {
+      if (trace.cat === 'node,node.http' &&
+          ['http.server.request', 'http.client.request'].includes(trace.name)) {
+        count++;
+      }
+    });
+    // Two begin, two end
+    assert.strictEqual(count, 4);
+  }));
+}));

From 9dc33f192330e037604599e2876bf9bc9e6a953a Mon Sep 17 00:00:00 2001
From: Anna Henningsen 
Date: Fri, 5 Aug 2022 21:46:08 +0200
Subject: [PATCH 084/147] src: add detailed embedder process initialization API

So far, process initialization has been a bit all over the place
in Node.js. `InitializeNodeWithArgs()` is our main public API
for this, but inclusion of items in it vs. `InitializeOncePerProcess()`
and `PlatformInit()` has been random at best. Likewise,
some pieces of initialization have been guarded by
`NODE_SHARED_MODE`, but also fairly randomly and without
any meaningful connection to shared library usage.

This leaves embedders in a position to cherry-pick some of
the initialization code into their own code to make their
application behave like typical Node.js applications to the
degree to which they desire it.

Electron takes an alternative route and makes direct use of
`InitializeOncePerProcess()` already while it is a private
API, with a `TODO` to add it to the public API in Node.js.

This commit addresses that `TODO`, and `TODO`s around the
`NODE_SHARED_MODE` usage. Specifically:

- `InitializeOncePerProcess()` and `TearDownOncePerProcess()`
  are added to the public API.
- The `flags` option of these functions are merged with the
  `flags` option for `InitializeNodeWithArgs()`, since they
  essentially share the same semantics.
- The return value of the function is made an abstract class,
  rather than a struct, for easier API/ABI stability.
- Initialization code from `main()` is brought into these
  functions (since that makes sense in general).
- Add a `TODO` for turning `InitializeNodeWithArgs()` into
  a small wrapper around `InitializeOncePerProcess()` and
  eventually removing it (at least one major release cycle
  each, presumably).
- Remove `NODE_SHARED_MODE` guards and replace them with
  runtime options.

PR-URL: https://github.com/nodejs/node/pull/44121
Reviewed-By: Joyee Cheung 
Reviewed-By: Michael Dawson 
---
 doc/api/embedding.md              |  20 +-
 src/node.cc                       | 476 +++++++++++++++++-------------
 src/node.h                        | 106 ++++++-
 src/node_credentials.cc           |  21 +-
 src/node_internals.h              |  39 ++-
 src/node_main.cc                  |  34 ---
 src/node_main_instance.cc         |  15 -
 test/embedding/embedtest.cc       |  20 +-
 tools/snapshot/node_mksnapshot.cc |  17 +-
 9 files changed, 434 insertions(+), 314 deletions(-)

diff --git a/doc/api/embedding.md b/doc/api/embedding.md
index d07bec744df2e5..9f831b342c2705 100644
--- a/doc/api/embedding.md
+++ b/doc/api/embedding.md
@@ -37,15 +37,18 @@ the `node` and `v8` C++ namespaces, respectively.
 int main(int argc, char** argv) {
   argv = uv_setup_args(argc, argv);
   std::vector args(argv, argv + argc);
-  std::vector exec_args;
-  std::vector errors;
   // Parse Node.js CLI options, and print any errors that have occurred while
   // trying to parse them.
-  int exit_code = node::InitializeNodeWithArgs(&args, &exec_args, &errors);
-  for (const std::string& error : errors)
+  std::unique_ptr result =
+      node::InitializeOncePerProcess(args, {
+        node::ProcessInitializationFlags::kNoInitializeV8,
+        node::ProcessInitializationFlags::kNoInitializeNodeV8Platform
+      });
+
+  for (const std::string& error : result->errors())
     fprintf(stderr, "%s: %s\n", args[0].c_str(), error.c_str());
-  if (exit_code != 0) {
-    return exit_code;
+  if (result->early_return() != 0) {
+    return result->exit_code();
   }
 
   // Create a v8::Platform instance. `MultiIsolatePlatform::Create()` is a way
@@ -58,10 +61,13 @@ int main(int argc, char** argv) {
   V8::Initialize();
 
   // See below for the contents of this function.
-  int ret = RunNodeInstance(platform.get(), args, exec_args);
+  int ret = RunNodeInstance(
+      platform.get(), result->args(), result->exec_args());
 
   V8::Dispose();
   V8::DisposePlatform();
+
+  node::TearDownOncePerProcess();
   return ret;
 }
 ```
diff --git a/src/node.cc b/src/node.cc
index c03c84075598bd..63f6fa48dad93d 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -575,37 +575,8 @@ static struct {
 } stdio[1 + STDERR_FILENO];
 #endif  // __POSIX__
 
-
-inline void PlatformInit() {
+void ResetSignalHandlers() {
 #ifdef __POSIX__
-#if HAVE_INSPECTOR
-  sigset_t sigmask;
-  sigemptyset(&sigmask);
-  sigaddset(&sigmask, SIGUSR1);
-  const int err = pthread_sigmask(SIG_SETMASK, &sigmask, nullptr);
-#endif  // HAVE_INSPECTOR
-
-  // Make sure file descriptors 0-2 are valid before we start logging anything.
-  for (auto& s : stdio) {
-    const int fd = &s - stdio;
-    if (fstat(fd, &s.stat) == 0)
-      continue;
-    // Anything but EBADF means something is seriously wrong.  We don't
-    // have to special-case EINTR, fstat() is not interruptible.
-    if (errno != EBADF)
-      ABORT();
-    if (fd != open("/dev/null", O_RDWR))
-      ABORT();
-    if (fstat(fd, &s.stat) != 0)
-      ABORT();
-  }
-
-#if HAVE_INSPECTOR
-  CHECK_EQ(err, 0);
-#endif  // HAVE_INSPECTOR
-
-  // TODO(addaleax): NODE_SHARED_MODE does not really make sense here.
-#ifndef NODE_SHARED_MODE
   // Restore signal dispositions, the parent process may have changed them.
   struct sigaction act;
   memset(&act, 0, sizeof(act));
@@ -619,94 +590,150 @@ inline void PlatformInit() {
     act.sa_handler = (nr == SIGPIPE || nr == SIGXFSZ) ? SIG_IGN : SIG_DFL;
     CHECK_EQ(0, sigaction(nr, &act, nullptr));
   }
-#endif  // !NODE_SHARED_MODE
+#endif  // __POSIX__
+}
 
-  // Record the state of the stdio file descriptors so we can restore it
-  // on exit.  Needs to happen before installing signal handlers because
-  // they make use of that information.
-  for (auto& s : stdio) {
-    const int fd = &s - stdio;
-    int err;
+static std::atomic init_process_flags = 0;
 
-    do
-      s.flags = fcntl(fd, F_GETFL);
-    while (s.flags == -1 && errno == EINTR);  // NOLINT
-    CHECK_NE(s.flags, -1);
+static void PlatformInit(ProcessInitializationFlags::Flags flags) {
+  // init_process_flags is accessed in ResetStdio(),
+  // which can be called from signal handlers.
+  CHECK(init_process_flags.is_lock_free());
+  init_process_flags.store(flags);
 
-    if (uv_guess_handle(fd) != UV_TTY) continue;
-    s.isatty = true;
+  if (!(flags & ProcessInitializationFlags::kNoStdioInitialization)) {
+    atexit(ResetStdio);
+  }
 
-    do
-      err = tcgetattr(fd, &s.termios);
-    while (err == -1 && errno == EINTR);  // NOLINT
+#ifdef __POSIX__
+  if (!(flags & ProcessInitializationFlags::kNoStdioInitialization)) {
+    // Disable stdio buffering, it interacts poorly with printf()
+    // calls elsewhere in the program (e.g., any logging from V8.)
+    setvbuf(stdout, nullptr, _IONBF, 0);
+    setvbuf(stderr, nullptr, _IONBF, 0);
+
+    // Make sure file descriptors 0-2 are valid before we start logging
+    // anything.
+    for (auto& s : stdio) {
+      const int fd = &s - stdio;
+      if (fstat(fd, &s.stat) == 0) continue;
+      // Anything but EBADF means something is seriously wrong.  We don't
+      // have to special-case EINTR, fstat() is not interruptible.
+      if (errno != EBADF) ABORT();
+      if (fd != open("/dev/null", O_RDWR)) ABORT();
+      if (fstat(fd, &s.stat) != 0) ABORT();
+    }
+  }
+
+  if (!(flags & ProcessInitializationFlags::kNoDefaultSignalHandling)) {
+#if HAVE_INSPECTOR
+    sigset_t sigmask;
+    sigemptyset(&sigmask);
+    sigaddset(&sigmask, SIGUSR1);
+    const int err = pthread_sigmask(SIG_SETMASK, &sigmask, nullptr);
     CHECK_EQ(err, 0);
+#endif  // HAVE_INSPECTOR
+
+    ResetSignalHandlers();
+  }
+
+  if (!(flags & ProcessInitializationFlags::kNoStdioInitialization)) {
+    // Record the state of the stdio file descriptors so we can restore it
+    // on exit.  Needs to happen before installing signal handlers because
+    // they make use of that information.
+    for (auto& s : stdio) {
+      const int fd = &s - stdio;
+      int err;
+
+      do {
+        s.flags = fcntl(fd, F_GETFL);
+      } while (s.flags == -1 && errno == EINTR);  // NOLINT
+      CHECK_NE(s.flags, -1);
+
+      if (uv_guess_handle(fd) != UV_TTY) continue;
+      s.isatty = true;
+
+      do {
+        err = tcgetattr(fd, &s.termios);
+      } while (err == -1 && errno == EINTR);  // NOLINT
+      CHECK_EQ(err, 0);
+    }
   }
 
-  RegisterSignalHandler(SIGINT, SignalExit, true);
-  RegisterSignalHandler(SIGTERM, SignalExit, true);
+  if (!(flags & ProcessInitializationFlags::kNoDefaultSignalHandling)) {
+    RegisterSignalHandler(SIGINT, SignalExit, true);
+    RegisterSignalHandler(SIGTERM, SignalExit, true);
 
 #if NODE_USE_V8_WASM_TRAP_HANDLER
 #if defined(_WIN32)
-  {
-    constexpr ULONG first = TRUE;
-    per_process::old_vectored_exception_handler =
-        AddVectoredExceptionHandler(first, TrapWebAssemblyOrContinue);
-  }
+    {
+      constexpr ULONG first = TRUE;
+      per_process::old_vectored_exception_handler =
+          AddVectoredExceptionHandler(first, TrapWebAssemblyOrContinue);
+    }
 #else
-  // Tell V8 to disable emitting WebAssembly
-  // memory bounds checks. This means that we have
-  // to catch the SIGSEGV in TrapWebAssemblyOrContinue
-  // and pass the signal context to V8.
-  {
-    struct sigaction sa;
-    memset(&sa, 0, sizeof(sa));
-    sa.sa_sigaction = TrapWebAssemblyOrContinue;
-    sa.sa_flags = SA_SIGINFO;
-    CHECK_EQ(sigaction(SIGSEGV, &sa, nullptr), 0);
-  }
+    // Tell V8 to disable emitting WebAssembly
+    // memory bounds checks. This means that we have
+    // to catch the SIGSEGV in TrapWebAssemblyOrContinue
+    // and pass the signal context to V8.
+    {
+      struct sigaction sa;
+      memset(&sa, 0, sizeof(sa));
+      sa.sa_sigaction = TrapWebAssemblyOrContinue;
+      sa.sa_flags = SA_SIGINFO;
+      CHECK_EQ(sigaction(SIGSEGV, &sa, nullptr), 0);
+    }
 #endif  // defined(_WIN32)
-  V8::EnableWebAssemblyTrapHandler(false);
+    V8::EnableWebAssemblyTrapHandler(false);
 #endif  // NODE_USE_V8_WASM_TRAP_HANDLER
+  }
 
-  // Raise the open file descriptor limit.
-  struct rlimit lim;
-  if (getrlimit(RLIMIT_NOFILE, &lim) == 0 && lim.rlim_cur != lim.rlim_max) {
-    // Do a binary search for the limit.
-    rlim_t min = lim.rlim_cur;
-    rlim_t max = 1 << 20;
-    // But if there's a defined upper bound, don't search, just set it.
-    if (lim.rlim_max != RLIM_INFINITY) {
-      min = lim.rlim_max;
-      max = lim.rlim_max;
-    }
-    do {
-      lim.rlim_cur = min + (max - min) / 2;
-      if (setrlimit(RLIMIT_NOFILE, &lim)) {
-        max = lim.rlim_cur;
-      } else {
-        min = lim.rlim_cur;
+  if (!(flags & ProcessInitializationFlags::kNoAdjustResourceLimits)) {
+    // Raise the open file descriptor limit.
+    struct rlimit lim;
+    if (getrlimit(RLIMIT_NOFILE, &lim) == 0 && lim.rlim_cur != lim.rlim_max) {
+      // Do a binary search for the limit.
+      rlim_t min = lim.rlim_cur;
+      rlim_t max = 1 << 20;
+      // But if there's a defined upper bound, don't search, just set it.
+      if (lim.rlim_max != RLIM_INFINITY) {
+        min = lim.rlim_max;
+        max = lim.rlim_max;
       }
-    } while (min + 1 < max);
+      do {
+        lim.rlim_cur = min + (max - min) / 2;
+        if (setrlimit(RLIMIT_NOFILE, &lim)) {
+          max = lim.rlim_cur;
+        } else {
+          min = lim.rlim_cur;
+        }
+      } while (min + 1 < max);
+    }
   }
 #endif  // __POSIX__
 #ifdef _WIN32
-  for (int fd = 0; fd <= 2; ++fd) {
-    auto handle = reinterpret_cast(_get_osfhandle(fd));
-    if (handle == INVALID_HANDLE_VALUE ||
-        GetFileType(handle) == FILE_TYPE_UNKNOWN) {
-      // Ignore _close result. If it fails or not depends on used Windows
-      // version. We will just check _open result.
-      _close(fd);
-      if (fd != _open("nul", _O_RDWR))
-        ABORT();
+  if (!(flags & ProcessInitializationFlags::kNoStdioInitialization)) {
+    for (int fd = 0; fd <= 2; ++fd) {
+      auto handle = reinterpret_cast(_get_osfhandle(fd));
+      if (handle == INVALID_HANDLE_VALUE ||
+          GetFileType(handle) == FILE_TYPE_UNKNOWN) {
+        // Ignore _close result. If it fails or not depends on used Windows
+        // version. We will just check _open result.
+        _close(fd);
+        if (fd != _open("nul", _O_RDWR)) ABORT();
+      }
     }
   }
 #endif  // _WIN32
 }
 
-
 // Safe to call more than once and from signal handlers.
 void ResetStdio() {
+  if (init_process_flags.load() &
+      ProcessInitializationFlags::kNoStdioInitialization) {
+    return;
+  }
+
   uv_tty_reset_mode();
 #ifdef __POSIX__
   for (auto& s : stdio) {
@@ -842,6 +869,8 @@ int ProcessGlobalArgs(std::vector* args,
 
 static std::atomic_bool init_called{false};
 
+// TODO(addaleax): Turn this into a wrapper around InitializeOncePerProcess()
+// (with the corresponding additional flags set), then eventually remove this.
 int InitializeNodeWithArgs(std::vector* argv,
                            std::vector* exec_argv,
                            std::vector* errors) {
@@ -852,7 +881,7 @@ int InitializeNodeWithArgs(std::vector* argv,
 int InitializeNodeWithArgs(std::vector* argv,
                            std::vector* exec_argv,
                            std::vector* errors,
-                           ProcessFlags::Flags flags) {
+                           ProcessInitializationFlags::Flags flags) {
   // Make sure InitializeNodeWithArgs() is called only once.
   CHECK(!init_called.exchange(true));
 
@@ -863,8 +892,10 @@ int InitializeNodeWithArgs(std::vector* argv,
   binding::RegisterBuiltinModules();
 
   // Make inherited handles noninheritable.
-  if (!(flags & ProcessFlags::kEnableStdioInheritance))
+  if (!(flags & ProcessInitializationFlags::kEnableStdioInheritance) &&
+      !(flags & ProcessInitializationFlags::kNoStdioInitialization)) {
     uv_disable_stdio_inheritance();
+  }
 
   // Cache the original command line to be
   // used in diagnostic reports.
@@ -880,7 +911,7 @@ int InitializeNodeWithArgs(std::vector* argv,
   HandleEnvOptions(per_process::cli_options->per_isolate->per_env);
 
 #if !defined(NODE_WITHOUT_NODE_OPTIONS)
-  if (!(flags & ProcessFlags::kDisableNodeOptionsEnv)) {
+  if (!(flags & ProcessInitializationFlags::kDisableNodeOptionsEnv)) {
     std::string node_options;
 
     if (credentials::SafeGetenv("NODE_OPTIONS", &node_options)) {
@@ -901,7 +932,7 @@ int InitializeNodeWithArgs(std::vector* argv,
   }
 #endif
 
-  if (!(flags & ProcessFlags::kDisableCLIOptions)) {
+  if (!(flags & ProcessInitializationFlags::kDisableCLIOptions)) {
     const int exit_code = ProcessGlobalArgs(argv,
                                             exec_argv,
                                             errors,
@@ -914,7 +945,7 @@ int InitializeNodeWithArgs(std::vector* argv,
     uv_set_process_title(per_process::cli_options->title.c_str());
 
 #if defined(NODE_HAVE_I18N_SUPPORT)
-  if (!(flags & ProcessFlags::kNoICU)) {
+  if (!(flags & ProcessInitializationFlags::kNoICU)) {
     // If the parameter isn't given, use the env variable.
     if (per_process::cli_options->icu_data_dir.empty())
       credentials::SafeGetenv("NODE_ICU_DATA",
@@ -964,82 +995,78 @@ int InitializeNodeWithArgs(std::vector* argv,
   return 0;
 }
 
-InitializationResult InitializeOncePerProcess(int argc, char** argv) {
-  return InitializeOncePerProcess(argc, argv, kDefaultInitialization);
-}
+std::unique_ptr InitializeOncePerProcess(
+    const std::vector& args,
+    ProcessInitializationFlags::Flags flags) {
+  auto result = std::make_unique();
+  result->args_ = args;
 
-InitializationResult InitializeOncePerProcess(
-  int argc,
-  char** argv,
-  InitializationSettingsFlags flags,
-  ProcessFlags::Flags process_flags) {
-  uint64_t init_flags = flags;
-  if (init_flags & kDefaultInitialization) {
-    init_flags = init_flags | kInitializeV8 | kInitOpenSSL | kRunPlatformInit;
+  if (!(flags & ProcessInitializationFlags::kNoParseGlobalDebugVariables)) {
+    // Initialized the enabled list for Debug() calls with system
+    // environment variables.
+    per_process::enabled_debug_list.Parse();
   }
 
-  // Initialized the enabled list for Debug() calls with system
-  // environment variables.
-  per_process::enabled_debug_list.Parse();
-
-  atexit(ResetStdio);
-
-  if (init_flags & kRunPlatformInit)
-    PlatformInit();
-
-  CHECK_GT(argc, 0);
-
-  // Hack around with the argv pointer. Used for process.title = "blah".
-  argv = uv_setup_args(argc, argv);
-
-  InitializationResult result;
-  result.args = std::vector(argv, argv + argc);
-  std::vector errors;
+  PlatformInit(flags);
 
   // This needs to run *before* V8::Initialize().
   {
-    result.exit_code = InitializeNodeWithArgs(
-        &(result.args), &(result.exec_args), &errors, process_flags);
-    for (const std::string& error : errors)
-      fprintf(stderr, "%s: %s\n", result.args.at(0).c_str(), error.c_str());
-    if (result.exit_code != 0) {
-      result.early_return = true;
+    result->exit_code_ = InitializeNodeWithArgs(
+        &result->args_, &result->exec_args_, &result->errors_, flags);
+    if (result->exit_code() != 0) {
+      result->early_return_ = true;
       return result;
     }
   }
 
-  if (per_process::cli_options->use_largepages == "on" ||
-      per_process::cli_options->use_largepages == "silent") {
-    int result = node::MapStaticCodeToLargePages();
-    if (per_process::cli_options->use_largepages == "on" && result != 0) {
-      fprintf(stderr, "%s\n", node::LargePagesError(result));
+  if (!(flags & ProcessInitializationFlags::kNoUseLargePages) &&
+      (per_process::cli_options->use_largepages == "on" ||
+       per_process::cli_options->use_largepages == "silent")) {
+    int lp_result = node::MapStaticCodeToLargePages();
+    if (per_process::cli_options->use_largepages == "on" && lp_result != 0) {
+      result->errors_.emplace_back(node::LargePagesError(lp_result));
     }
   }
 
-  if (per_process::cli_options->print_version) {
-    printf("%s\n", NODE_VERSION);
-    result.exit_code = 0;
-    result.early_return = true;
-    return result;
-  }
+  if (!(flags & ProcessInitializationFlags::kNoPrintHelpOrVersionOutput)) {
+    if (per_process::cli_options->print_version) {
+      printf("%s\n", NODE_VERSION);
+      result->exit_code_ = 0;
+      result->early_return_ = true;
+      return result;
+    }
 
-  if (per_process::cli_options->print_bash_completion) {
-    std::string completion = options_parser::GetBashCompletion();
-    printf("%s\n", completion.c_str());
-    result.exit_code = 0;
-    result.early_return = true;
-    return result;
-  }
+    if (per_process::cli_options->print_bash_completion) {
+      std::string completion = options_parser::GetBashCompletion();
+      printf("%s\n", completion.c_str());
+      result->exit_code_ = 0;
+      result->early_return_ = true;
+      return result;
+    }
 
-  if (per_process::cli_options->print_v8_help) {
-    V8::SetFlagsFromString("--help", static_cast(6));
-    result.exit_code = 0;
-    result.early_return = true;
-    return result;
+    if (per_process::cli_options->print_v8_help) {
+      V8::SetFlagsFromString("--help", static_cast(6));
+      result->exit_code_ = 0;
+      result->early_return_ = true;
+      return result;
+    }
   }
 
-  if (init_flags & kInitOpenSSL) {
+  if (!(flags & ProcessInitializationFlags::kNoInitOpenSSL)) {
 #if HAVE_OPENSSL && !defined(OPENSSL_IS_BORINGSSL)
+    auto GetOpenSSLErrorString = []() -> std::string {
+      std::string ret;
+      ERR_print_errors_cb(
+          [](const char* str, size_t len, void* opaque) {
+            std::string* ret = static_cast(opaque);
+            ret->append(str, len);
+            ret->append("\n");
+            return 0;
+          },
+          static_cast(&ret));
+      return ret;
+    };
+
     {
       std::string extra_ca_certs;
       if (credentials::SafeGetenv("NODE_EXTRA_CA_CERTS", &extra_ca_certs))
@@ -1095,10 +1122,12 @@ InitializationResult InitializeOncePerProcess(
     OPENSSL_INIT_free(settings);
 
     if (ERR_peek_error() != 0) {
-      result.exit_code = ERR_GET_REASON(ERR_peek_error());
-      result.early_return = true;
-      fprintf(stderr, "OpenSSL configuration error:\n");
-      ERR_print_errors_fp(stderr);
+      // XXX: ERR_GET_REASON does not return something that is
+      // useful as an exit code at all.
+      result->exit_code_ = ERR_GET_REASON(ERR_peek_error());
+      result->early_return_ = true;
+      result->errors_.emplace_back("OpenSSL configuration error:\n" +
+                                   GetOpenSSLErrorString());
       return result;
     }
 #else  // OPENSSL_VERSION_MAJOR < 3
@@ -1106,22 +1135,30 @@ InitializationResult InitializeOncePerProcess(
       OPENSSL_init();
     }
 #endif
-  if (!crypto::ProcessFipsOptions()) {
-      result.exit_code = ERR_GET_REASON(ERR_peek_error());
-      result.early_return = true;
-      fprintf(stderr, "OpenSSL error when trying to enable FIPS:\n");
-      ERR_print_errors_fp(stderr);
+    if (!crypto::ProcessFipsOptions()) {
+      // XXX: ERR_GET_REASON does not return something that is
+      // useful as an exit code at all.
+      result->exit_code_ = ERR_GET_REASON(ERR_peek_error());
+      result->early_return_ = true;
+      result->errors_.emplace_back(
+          "OpenSSL error when trying to enable FIPS:\n" +
+          GetOpenSSLErrorString());
       return result;
-  }
+    }
 
-  // V8 on Windows doesn't have a good source of entropy. Seed it from
-  // OpenSSL's pool.
-  V8::SetEntropySource(crypto::EntropySource);
+    // V8 on Windows doesn't have a good source of entropy. Seed it from
+    // OpenSSL's pool.
+    V8::SetEntropySource(crypto::EntropySource);
 #endif  // HAVE_OPENSSL && !defined(OPENSSL_IS_BORINGSSL)
-}
-  per_process::v8_platform.Initialize(
-      static_cast(per_process::cli_options->v8_thread_pool_size));
-  if (init_flags & kInitializeV8) {
+  }
+
+  if (!(flags & ProcessInitializationFlags::kNoInitializeNodeV8Platform)) {
+    per_process::v8_platform.Initialize(
+        static_cast(per_process::cli_options->v8_thread_pool_size));
+    result->platform_ = per_process::v8_platform.Platform();
+  }
+
+  if (!(flags & ProcessInitializationFlags::kNoInitializeV8)) {
     V8::Initialize();
   }
 
@@ -1132,30 +1169,47 @@ InitializationResult InitializeOncePerProcess(
 }
 
 void TearDownOncePerProcess() {
+  const uint64_t flags = init_process_flags.load();
+  ResetStdio();
+  if (!(flags & ProcessInitializationFlags::kNoDefaultSignalHandling)) {
+    ResetSignalHandlers();
+  }
+
   per_process::v8_initialized = false;
-  V8::Dispose();
+  if (!(flags & ProcessInitializationFlags::kNoInitializeV8)) {
+    V8::Dispose();
+  }
 
 #if NODE_USE_V8_WASM_TRAP_HANDLER && defined(_WIN32)
-  RemoveVectoredExceptionHandler(per_process::old_vectored_exception_handler);
+  if (!(flags & ProcessInitializationFlags::kNoDefaultSignalHandling)) {
+    RemoveVectoredExceptionHandler(per_process::old_vectored_exception_handler);
+  }
 #endif
 
-  // uv_run cannot be called from the time before the beforeExit callback
-  // runs until the program exits unless the event loop has any referenced
-  // handles after beforeExit terminates. This prevents unrefed timers
-  // that happen to terminate during shutdown from being run unsafely.
-  // Since uv_run cannot be called, uv_async handles held by the platform
-  // will never be fully cleaned up.
-  per_process::v8_platform.Dispose();
+  if (!(flags & ProcessInitializationFlags::kNoInitializeNodeV8Platform)) {
+    V8::DisposePlatform();
+    // uv_run cannot be called from the time before the beforeExit callback
+    // runs until the program exits unless the event loop has any referenced
+    // handles after beforeExit terminates. This prevents unrefed timers
+    // that happen to terminate during shutdown from being run unsafely.
+    // Since uv_run cannot be called, uv_async handles held by the platform
+    // will never be fully cleaned up.
+    per_process::v8_platform.Dispose();
+  }
 }
 
+InitializationResult::~InitializationResult() {}
+InitializationResultImpl::~InitializationResultImpl() {}
+
 int GenerateAndWriteSnapshotData(const SnapshotData** snapshot_data_ptr,
-                                 InitializationResult* result) {
+                                 const InitializationResult* result) {
+  int exit_code = result->exit_code();
   // nullptr indicates there's no snapshot data.
   DCHECK_NULL(*snapshot_data_ptr);
 
   // node:embedded_snapshot_main indicates that we are using the
   // embedded snapshot and we are not supposed to clean it up.
-  if (result->args[1] == "node:embedded_snapshot_main") {
+  if (result->args()[1] == "node:embedded_snapshot_main") {
     *snapshot_data_ptr = SnapshotBuilder::GetEmbeddedSnapshotData();
     if (*snapshot_data_ptr == nullptr) {
       // The Node.js binary is built without embedded snapshot
@@ -1163,19 +1217,19 @@ int GenerateAndWriteSnapshotData(const SnapshotData** snapshot_data_ptr,
               "node:embedded_snapshot_main was specified as snapshot "
               "entry point but Node.js was built without embedded "
               "snapshot.\n");
-      result->exit_code = 1;
-      return result->exit_code;
+      exit_code = 1;
+      return exit_code;
     }
   } else {
     // Otherwise, load and run the specified main script.
     std::unique_ptr generated_data =
         std::make_unique();
-    result->exit_code = node::SnapshotBuilder::Generate(
-        generated_data.get(), result->args, result->exec_args);
-    if (result->exit_code == 0) {
+    exit_code = node::SnapshotBuilder::Generate(
+        generated_data.get(), result->args(), result->exec_args());
+    if (exit_code == 0) {
       *snapshot_data_ptr = generated_data.release();
     } else {
-      return result->exit_code;
+      return exit_code;
     }
   }
 
@@ -1196,13 +1250,14 @@ int GenerateAndWriteSnapshotData(const SnapshotData** snapshot_data_ptr,
     fprintf(stderr,
             "Cannot open %s for writing a snapshot.\n",
             snapshot_blob_path.c_str());
-    result->exit_code = 1;
+    exit_code = 1;
   }
-  return result->exit_code;
+  return exit_code;
 }
 
 int LoadSnapshotDataAndRun(const SnapshotData** snapshot_data_ptr,
-                           InitializationResult* result) {
+                           const InitializationResult* result) {
+  int exit_code = result->exit_code();
   // nullptr indicates there's no snapshot data.
   DCHECK_NULL(*snapshot_data_ptr);
   // --snapshot-blob indicates that we are reading a customized snapshot.
@@ -1211,8 +1266,8 @@ int LoadSnapshotDataAndRun(const SnapshotData** snapshot_data_ptr,
     FILE* fp = fopen(filename.c_str(), "rb");
     if (fp == nullptr) {
       fprintf(stderr, "Cannot open %s", filename.c_str());
-      result->exit_code = 1;
-      return result->exit_code;
+      exit_code = 1;
+      return exit_code;
     }
     std::unique_ptr read_data = std::make_unique();
     SnapshotData::FromBlob(read_data.get(), fp);
@@ -1230,19 +1285,28 @@ int LoadSnapshotDataAndRun(const SnapshotData** snapshot_data_ptr,
   NodeMainInstance main_instance(*snapshot_data_ptr,
                                  uv_default_loop(),
                                  per_process::v8_platform.Platform(),
-                                 result->args,
-                                 result->exec_args);
-  result->exit_code = main_instance.Run();
-  return result->exit_code;
+                                 result->args(),
+                                 result->exec_args());
+  exit_code = main_instance.Run();
+  return exit_code;
 }
 
 int Start(int argc, char** argv) {
-  InitializationResult result = InitializeOncePerProcess(argc, argv);
-  if (result.early_return) {
-    return result.exit_code;
+  CHECK_GT(argc, 0);
+
+  // Hack around with the argv pointer. Used for process.title = "blah".
+  argv = uv_setup_args(argc, argv);
+
+  std::unique_ptr result =
+      InitializeOncePerProcess(std::vector(argv, argv + argc));
+  for (const std::string& error : result->errors()) {
+    FPrintF(stderr, "%s: %s\n", result->args().at(0), error);
+  }
+  if (result->early_return()) {
+    return result->exit_code();
   }
 
-  DCHECK_EQ(result.exit_code, 0);
+  DCHECK_EQ(result->exit_code(), 0);
   const SnapshotData* snapshot_data = nullptr;
 
   auto cleanup_process = OnScopeLeave([&]() {
@@ -1258,17 +1322,17 @@ int Start(int argc, char** argv) {
 
   // --build-snapshot indicates that we are in snapshot building mode.
   if (per_process::cli_options->build_snapshot) {
-    if (result.args.size() < 2) {
+    if (result->args().size() < 2) {
       fprintf(stderr,
               "--build-snapshot must be used with an entry point script.\n"
               "Usage: node --build-snapshot /path/to/entry.js\n");
       return 9;
     }
-    return GenerateAndWriteSnapshotData(&snapshot_data, &result);
+    return GenerateAndWriteSnapshotData(&snapshot_data, result.get());
   }
 
   // Without --build-snapshot, we are in snapshot loading mode.
-  return LoadSnapshotDataAndRun(&snapshot_data, &result);
+  return LoadSnapshotDataAndRun(&snapshot_data, result.get());
 }
 
 int Stop(Environment* env) {
diff --git a/src/node.h b/src/node.h
index e866fcd9369a5c..f8afff5d357639 100644
--- a/src/node.h
+++ b/src/node.h
@@ -223,11 +223,14 @@ namespace node {
 
 class IsolateData;
 class Environment;
+class MultiIsolatePlatform;
+class InitializationResultImpl;
 
 namespace ProcessFlags {
 enum Flags : uint64_t {
   kNoFlags = 0,
   // Enable stdio inheritance, which is disabled by default.
+  // This flag is also implied by kNoStdioInitialization.
   kEnableStdioInheritance = 1 << 0,
   // Disable reading the NODE_OPTIONS environment variable.
   kDisableNodeOptionsEnv = 1 << 1,
@@ -235,8 +238,67 @@ enum Flags : uint64_t {
   kDisableCLIOptions = 1 << 2,
   // Do not initialize ICU.
   kNoICU = 1 << 3,
+  // Do not modify stdio file descriptor or TTY state.
+  kNoStdioInitialization = 1 << 4,
+  // Do not register Node.js-specific signal handlers
+  // and reset other signal handlers to default state.
+  kNoDefaultSignalHandling = 1 << 5,
+  // Do not perform V8 initialization.
+  kNoInitializeV8 = 1 << 6,
+  // Do not initialize a default Node.js-provided V8 platform instance.
+  kNoInitializeNodeV8Platform = 1 << 7,
+  // Do not initialize OpenSSL config.
+  kNoInitOpenSSL = 1 << 8,
+  // Do not initialize Node.js debugging based on environment variables.
+  kNoParseGlobalDebugVariables = 1 << 9,
+  // Do not adjust OS resource limits for this process.
+  kNoAdjustResourceLimits = 1 << 10,
+  // Do not map code segments into large pages for this process.
+  kNoUseLargePages = 1 << 11,
+  // Skip printing output for --help, --version, --v8-options.
+  kNoPrintHelpOrVersionOutput = 1 << 12,
+
+  // Emulate the behavior of InitializeNodeWithArgs() when passing
+  // a flags argument to the InitializeOncePerProcess() replacement
+  // function.
+  kLegacyInitializeNodeWithArgsBehavior =
+      kNoStdioInitialization | kNoDefaultSignalHandling | kNoInitializeV8 |
+      kNoInitializeNodeV8Platform | kNoInitOpenSSL |
+      kNoParseGlobalDebugVariables | kNoAdjustResourceLimits |
+      kNoUseLargePages | kNoPrintHelpOrVersionOutput,
 };
 }  // namespace ProcessFlags
+// TODO(addaleax): Make this the canonical name, as it is more descriptive.
+namespace ProcessInitializationFlags = ProcessFlags;
+
+class NODE_EXTERN InitializationResult {
+ public:
+  virtual ~InitializationResult();
+
+  // Returns a suggested process exit code.
+  virtual int exit_code() const = 0;
+
+  // Returns 'true' if initialization was aborted early due to errors.
+  virtual bool early_return() const = 0;
+
+  // Returns the parsed list of non-Node.js arguments.
+  virtual const std::vector& args() const = 0;
+
+  // Returns the parsed list of Node.js arguments.
+  virtual const std::vector& exec_args() const = 0;
+
+  // Returns an array of errors. Note that these may be warnings
+  // whose existence does not imply a non-zero exit code.
+  virtual const std::vector& errors() const = 0;
+
+  // If kNoInitializeNodeV8Platform was not specified, the global Node.js
+  // platform instance.
+  virtual MultiIsolatePlatform* platform() const = 0;
+
+ private:
+  InitializationResult() = default;
+  friend class InitializationResultImpl;
+};
 
 // TODO(addaleax): Officially deprecate this and replace it with something
 // better suited for a public embedder API.
@@ -250,16 +312,40 @@ NODE_EXTERN int Stop(Environment* env);
 // from argv, fill exec_argv, and possibly add errors resulting from parsing
 // the arguments to `errors`. The return value is a suggested exit code for the
 // program; If it is 0, then initializing Node.js succeeded.
-NODE_EXTERN int InitializeNodeWithArgs(
-    std::vector* argv,
-    std::vector* exec_argv,
-    std::vector* errors);
-// TODO(zcbenz): Turn above overloaded version into below's default argument.
-NODE_EXTERN int InitializeNodeWithArgs(
-    std::vector* argv,
-    std::vector* exec_argv,
-    std::vector* errors,
-    ProcessFlags::Flags flags);
+// This runs a subset of the initialization performed by
+// InitializeOncePerProcess(), which supersedes this function.
+// The subset is roughly equivalent to the one given by
+// `ProcessInitializationFlags::kLegacyInitializeNodeWithArgsBehavior`.
+NODE_DEPRECATED("Use InitializeOncePerProcess() instead",
+                NODE_EXTERN int InitializeNodeWithArgs(
+                    std::vector* argv,
+                    std::vector* exec_argv,
+                    std::vector* errors,
+                    ProcessInitializationFlags::Flags flags =
+                        ProcessInitializationFlags::kNoFlags));
+
+// Set up per-process state needed to run Node.js. This will consume arguments
+// from args, and return information about the initialization success,
+// including the arguments split into argv/exec_argv, a list of potential
+// errors encountered during initialization, and a potential suggested
+// exit code.
+NODE_EXTERN std::unique_ptr InitializeOncePerProcess(
+    const std::vector& args,
+    ProcessInitializationFlags::Flags flags =
+        ProcessInitializationFlags::kNoFlags);
+// Undoes the initialization performed by InitializeOncePerProcess(),
+// where cleanup is necessary.
+NODE_EXTERN void TearDownOncePerProcess();
+// Convenience overload for specifying multiple flags without having
+// to worry about casts.
+inline std::unique_ptr InitializeOncePerProcess(
+    const std::vector& args,
+    std::initializer_list list) {
+  uint64_t flags_accum = ProcessInitializationFlags::kNoFlags;
+  for (const auto flag : list) flags_accum |= static_cast(flag);
+  return InitializeOncePerProcess(
+      args, static_cast(flags_accum));
+}
 
 enum OptionEnvvarSettings {
   kAllowedInEnvironment,
diff --git a/src/node_credentials.cc b/src/node_credentials.cc
index d7471eb0d4eda9..2a27cb9bebe920 100644
--- a/src/node_credentials.cc
+++ b/src/node_credentials.cc
@@ -13,6 +13,7 @@
 #endif
 #ifdef __linux__
 #include 
+#include 
 #include 
 #endif  // __linux__
 
@@ -31,9 +32,18 @@ using v8::TryCatch;
 using v8::Uint32;
 using v8::Value;
 
-namespace per_process {
-bool linux_at_secure = false;
-}  // namespace per_process
+bool linux_at_secure() {
+  // This could reasonably be a static variable, but this way
+  // we can guarantee that this function is always usable
+  // and returns the correct value,  e.g. even in static
+  // initialization code in other files.
+#ifdef __linux__
+  static const bool value = getauxval(AT_SECURE);
+  return value;
+#else
+  return false;
+#endif
+}
 
 namespace credentials {
 
@@ -70,11 +80,10 @@ bool SafeGetenv(const char* key,
                 v8::Isolate* isolate) {
 #if !defined(__CloudABI__) && !defined(_WIN32)
 #if defined(__linux__)
-  if ((!HasOnly(CAP_NET_BIND_SERVICE) && per_process::linux_at_secure) ||
+  if ((!HasOnly(CAP_NET_BIND_SERVICE) && linux_at_secure()) ||
       getuid() != geteuid() || getgid() != getegid())
 #else
-  if (per_process::linux_at_secure || getuid() != geteuid() ||
-      getgid() != getegid())
+  if (linux_at_secure() || getuid() != geteuid() || getgid() != getegid())
 #endif
     goto fail;
 #endif
diff --git a/src/node_internals.h b/src/node_internals.h
index 890d77f79a79ed..3ec50cf09ba6b9 100644
--- a/src/node_internals.h
+++ b/src/node_internals.h
@@ -311,29 +311,24 @@ v8::MaybeLocal ExecuteBootstrapper(
     std::vector>* arguments);
 void MarkBootstrapComplete(const v8::FunctionCallbackInfo& args);
 
-struct InitializationResult {
-  int exit_code = 0;
-  std::vector args;
-  std::vector exec_args;
-  bool early_return = false;
-};
-
-enum InitializationSettingsFlags : uint64_t {
-  kDefaultInitialization = 1 << 0,
-  kInitializeV8 = 1 << 1,
-  kRunPlatformInit = 1 << 2,
-  kInitOpenSSL = 1 << 3
+class InitializationResultImpl final : public InitializationResult {
+ public:
+  ~InitializationResultImpl();
+  int exit_code() const { return exit_code_; }
+  bool early_return() const { return early_return_; }
+  const std::vector& args() const { return args_; }
+  const std::vector& exec_args() const { return exec_args_; }
+  const std::vector& errors() const { return errors_; }
+  MultiIsolatePlatform* platform() const { return platform_; }
+
+  int exit_code_ = 0;
+  std::vector args_;
+  std::vector exec_args_;
+  std::vector errors_;
+  bool early_return_ = false;
+  MultiIsolatePlatform* platform_ = nullptr;
 };
 
-// TODO(codebytere): eventually document and expose to embedders.
-InitializationResult NODE_EXTERN_PRIVATE InitializeOncePerProcess(int argc,
-                                                                  char** argv);
-InitializationResult NODE_EXTERN_PRIVATE InitializeOncePerProcess(
-    int argc,
-    char** argv,
-    InitializationSettingsFlags flags,
-    ProcessFlags::Flags process_flags = ProcessFlags::kNoFlags);
-void NODE_EXTERN_PRIVATE TearDownOncePerProcess();
 void SetIsolateErrorHandlers(v8::Isolate* isolate, const IsolateSettings& s);
 void SetIsolateMiscHandlers(v8::Isolate* isolate, const IsolateSettings& s);
 void SetIsolateCreateParamsForNode(v8::Isolate::CreateParams* params);
@@ -424,6 +419,8 @@ namespace performance {
 std::ostream& operator<<(std::ostream& output,
                          const PerformanceState::SerializeInfo& d);
 }
+
+bool linux_at_secure();
 }  // namespace node
 
 #endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
diff --git a/src/node_main.cc b/src/node_main.cc
index 6bac1075932587..d486bbc31c1f6b 100644
--- a/src/node_main.cc
+++ b/src/node_main.cc
@@ -88,42 +88,8 @@ int wmain(int argc, wchar_t* wargv[]) {
 }
 #else
 // UNIX
-#ifdef __linux__
-#include 
-#endif  // __linux__
-#if defined(__POSIX__) && defined(NODE_SHARED_MODE)
-#include 
-#include 
-#endif
-
-namespace node {
-namespace per_process {
-extern bool linux_at_secure;
-}  // namespace per_process
-}  // namespace node
 
 int main(int argc, char* argv[]) {
-#if defined(__POSIX__) && defined(NODE_SHARED_MODE)
-  // In node::PlatformInit(), we squash all signal handlers for non-shared lib
-  // build. In order to run test cases against shared lib build, we also need
-  // to do the same thing for shared lib build here, but only for SIGPIPE for
-  // now. If node::PlatformInit() is moved to here, then this section could be
-  // removed.
-  {
-    struct sigaction act;
-    memset(&act, 0, sizeof(act));
-    act.sa_handler = SIG_IGN;
-    sigaction(SIGPIPE, &act, nullptr);
-  }
-#endif
-
-#if defined(__linux__)
-  node::per_process::linux_at_secure = getauxval(AT_SECURE);
-#endif
-  // Disable stdio buffering, it interacts poorly with printf()
-  // calls elsewhere in the program (e.g., any logging from V8.)
-  setvbuf(stdout, nullptr, _IONBF, 0);
-  setvbuf(stderr, nullptr, _IONBF, 0);
   return node::Start(argc, argv);
 }
 #endif
diff --git a/src/node_main_instance.cc b/src/node_main_instance.cc
index 1287e795de5bbc..984ebfc0e703a5 100644
--- a/src/node_main_instance.cc
+++ b/src/node_main_instance.cc
@@ -139,21 +139,6 @@ void NodeMainInstance::Run(int* exit_code, Environment* env) {
     *exit_code = SpinEventLoop(env).FromMaybe(1);
   }
 
-  ResetStdio();
-
-  // TODO(addaleax): Neither NODE_SHARED_MODE nor HAVE_INSPECTOR really
-  // make sense here.
-#if HAVE_INSPECTOR && defined(__POSIX__) && !defined(NODE_SHARED_MODE)
-  struct sigaction act;
-  memset(&act, 0, sizeof(act));
-  for (unsigned nr = 1; nr < kMaxSignal; nr += 1) {
-    if (nr == SIGKILL || nr == SIGSTOP || nr == SIGPROF)
-      continue;
-    act.sa_handler = (nr == SIGPIPE) ? SIG_IGN : SIG_DFL;
-    CHECK_EQ(0, sigaction(nr, &act, nullptr));
-  }
-#endif
-
 #if defined(LEAK_SANITIZER)
   __lsan_do_leak_check();
 #endif
diff --git a/test/embedding/embedtest.cc b/test/embedding/embedtest.cc
index ee1e2afb935438..2ad8afd42845dd 100644
--- a/test/embedding/embedtest.cc
+++ b/test/embedding/embedtest.cc
@@ -23,13 +23,16 @@ static int RunNodeInstance(MultiIsolatePlatform* platform,
 int main(int argc, char** argv) {
   argv = uv_setup_args(argc, argv);
   std::vector args(argv, argv + argc);
-  std::vector exec_args;
-  std::vector errors;
-  int exit_code = node::InitializeNodeWithArgs(&args, &exec_args, &errors);
-  for (const std::string& error : errors)
+  std::unique_ptr result =
+      node::InitializeOncePerProcess(
+          args,
+          {node::ProcessInitializationFlags::kNoInitializeV8,
+           node::ProcessInitializationFlags::kNoInitializeNodeV8Platform});
+
+  for (const std::string& error : result->errors())
     fprintf(stderr, "%s: %s\n", args[0].c_str(), error.c_str());
-  if (exit_code != 0) {
-    return exit_code;
+  if (result->early_return() != 0) {
+    return result->exit_code();
   }
 
   std::unique_ptr platform =
@@ -37,10 +40,13 @@ int main(int argc, char** argv) {
   V8::InitializePlatform(platform.get());
   V8::Initialize();
 
-  int ret = RunNodeInstance(platform.get(), args, exec_args);
+  int ret =
+      RunNodeInstance(platform.get(), result->args(), result->exec_args());
 
   V8::Dispose();
   V8::DisposePlatform();
+
+  node::TearDownOncePerProcess();
   return ret;
 }
 
diff --git a/tools/snapshot/node_mksnapshot.cc b/tools/snapshot/node_mksnapshot.cc
index 15f96070a7e3a9..0b8b7a6d5e77cf 100644
--- a/tools/snapshot/node_mksnapshot.cc
+++ b/tools/snapshot/node_mksnapshot.cc
@@ -64,17 +64,18 @@ int BuildSnapshot(int argc, char* argv[]) {
     return 1;
   }
 
-  node::InitializationResult result =
-      node::InitializeOncePerProcess(argc, argv);
+  std::unique_ptr result =
+      node::InitializeOncePerProcess(
+          std::vector(argv, argv + argc));
 
-  CHECK(!result.early_return);
-  CHECK_EQ(result.exit_code, 0);
+  CHECK(!result->early_return());
+  CHECK_EQ(result->exit_code(), 0);
 
   std::string out_path;
   if (node::per_process::cli_options->build_snapshot) {
-    out_path = result.args[2];
+    out_path = result->args()[2];
   } else {
-    out_path = result.args[1];
+    out_path = result->args()[1];
   }
 
   std::ofstream out(out_path, std::ios::out | std::ios::binary);
@@ -85,8 +86,8 @@ int BuildSnapshot(int argc, char* argv[]) {
 
   int exit_code = 0;
   {
-    exit_code =
-        node::SnapshotBuilder::Generate(out, result.args, result.exec_args);
+    exit_code = node::SnapshotBuilder::Generate(
+        out, result->args(), result->exec_args());
     if (exit_code == 0) {
       if (!out) {
         std::cerr << "Failed to write " << out_path << "\n";

From 6256bd5b3542aacdfa1259e4e79a4f1b3a256fa6 Mon Sep 17 00:00:00 2001
From: Milad Fa 
Date: Wed, 3 Aug 2022 09:21:52 -0400
Subject: [PATCH 085/147] deps: V8: cherry-pick 9861ce1deae2

Original commit message:

    PPC: pass a scratch reg when using register_location

    Change-Id: I43e4a4cadc60e958d6c9d80e725a49a3e36d8ba9
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3797832
    Reviewed-by: Junliang Yan 
    Commit-Queue: Milad Farazmand 
    Cr-Commit-Position: refs/heads/main@{#82146}

Fixes: https://github.com/nodejs/node/issues/44055
PR-URL: https://github.com/nodejs/node/pull/44115
Refs: https://github.com/v8/v8/commit/9861ce1deae2fc52a7c1fb251b70401a728e44f4
Reviewed-By: Jiawen Geng 
Reviewed-By: Richard Lau 
Reviewed-By: Michael Dawson 
---
 common.gypi                                          | 2 +-
 deps/v8/src/regexp/ppc/regexp-macro-assembler-ppc.cc | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/common.gypi b/common.gypi
index 03220a0200a40d..3e84350395dfe4 100644
--- a/common.gypi
+++ b/common.gypi
@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.10',
+    'v8_embedder_string': '-node.11',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/regexp/ppc/regexp-macro-assembler-ppc.cc b/deps/v8/src/regexp/ppc/regexp-macro-assembler-ppc.cc
index da81f893202241..aee833d148de6b 100644
--- a/deps/v8/src/regexp/ppc/regexp-macro-assembler-ppc.cc
+++ b/deps/v8/src/regexp/ppc/regexp-macro-assembler-ppc.cc
@@ -1139,7 +1139,7 @@ void RegExpMacroAssemblerPPC::WriteStackPointerToRegister(int reg) {
   __ mov(r4, Operand(ref));
   __ LoadU64(r4, MemOperand(r4));
   __ SubS64(r3, backtrack_stackpointer(), r4);
-  __ StoreU64(r3, register_location(reg));
+  __ StoreU64(r3, register_location(reg), r0);
 }
 
 void RegExpMacroAssemblerPPC::ReadStackPointerFromRegister(int reg) {
@@ -1147,7 +1147,7 @@ void RegExpMacroAssemblerPPC::ReadStackPointerFromRegister(int reg) {
       ExternalReference::address_of_regexp_stack_memory_top_address(isolate());
   __ mov(r3, Operand(ref));
   __ LoadU64(r3, MemOperand(r3));
-  __ LoadU64(backtrack_stackpointer(), register_location(reg));
+  __ LoadU64(backtrack_stackpointer(), register_location(reg), r0);
   __ AddS64(backtrack_stackpointer(), backtrack_stackpointer(), r3);
 }
 

From 8082c24c60371781619e15413343b1bfda39773b Mon Sep 17 00:00:00 2001
From: Keyhan Vakil 
Date: Fri, 5 Aug 2022 21:01:22 -0700
Subject: [PATCH 086/147] src: prevent copying ArrayBufferViewContents
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It is error-prone to copy or heap-allocate `ArrayBufferViewContents`,
because you might accidentally cause it to exceed the lifetime of its
argument. Let's make it impossible to do so. Fortunately we were not
doing so anywhere already, so this diff is purely defensive.

Refs: https://github.com/nodejs/node/pull/44079#discussion_r934376046
PR-URL: https://github.com/nodejs/node/pull/44091
Reviewed-By: Anna Henningsen 
Reviewed-By: Feng Yu 
Reviewed-By: Tobias Nießen 
---
 src/util.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/util.h b/src/util.h
index cfb7d1e65fad08..1d87c9e91147c4 100644
--- a/src/util.h
+++ b/src/util.h
@@ -498,6 +498,9 @@ class ArrayBufferViewContents {
  public:
   ArrayBufferViewContents() = default;
 
+  ArrayBufferViewContents(const ArrayBufferViewContents&) = delete;
+  void operator=(const ArrayBufferViewContents&) = delete;
+
   explicit inline ArrayBufferViewContents(v8::Local value);
   explicit inline ArrayBufferViewContents(v8::Local value);
   explicit inline ArrayBufferViewContents(v8::Local abv);
@@ -507,6 +510,13 @@ class ArrayBufferViewContents {
   inline size_t length() const { return length_; }
 
  private:
+  // Declaring operator new and delete as deleted is not spec compliant.
+  // Therefore, declare them private instead to disable dynamic alloc.
+  void* operator new(size_t size);
+  void* operator new[](size_t size);
+  void operator delete(void*, size_t);
+  void operator delete[](void*, size_t);
+
   T stack_storage_[kStackStorageSize];
   T* data_ = nullptr;
   size_t length_ = 0;

From 6c4b2e0cf449511af0a07b46e5895f8a7ac50ff0 Mon Sep 17 00:00:00 2001
From: Facundo Tuesca 
Date: Sat, 6 Aug 2022 12:39:58 +0200
Subject: [PATCH 087/147] tools: update undici CPE in vuln checking script

This changes the search method for `undici` on the NVD database.
Before, since `undici` did not have a CPE assigned, the search
was by keyword. Now that a CPE was assigned, it is used to query
for new vulnerabilities.

PR-URL: https://github.com/nodejs/node/pull/44128
Reviewed-By: Richard Lau 
Reviewed-By: Rafael Gonzaga 
Reviewed-By: Michael Dawson 
Reviewed-By: Mohammed Keyvanzadeh 
---
 tools/dep_checker/dependencies.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/dep_checker/dependencies.py b/tools/dep_checker/dependencies.py
index 0951dae5ab572c..b0c6943aa42b0b 100644
--- a/tools/dep_checker/dependencies.py
+++ b/tools/dep_checker/dependencies.py
@@ -47,7 +47,9 @@ def get_cpe(self) -> Optional[str]:
         version=vp.get_libuv_version(), cpe=CPE(vendor="libuv_project", product="libuv")
     ),
     "undici": Dependency(
-        version=vp.get_undici_version(), cpe=None, keyword="undici", npm_name="undici"
+        version=vp.get_undici_version(),
+        cpe=CPE(vendor="nodejs", product="undici"),
+        npm_name="undici",
     ),
     "OpenSSL": Dependency(
         version=vp.get_openssl_version(), cpe=CPE(vendor="openssl", product="openssl")

From 63b5c498716afc7b017b2261416534ab414c34c3 Mon Sep 17 00:00:00 2001
From: legendecas 
Date: Sat, 6 Aug 2022 19:56:27 +0800
Subject: [PATCH 088/147] src,lib: print prinstine source when source map
 source not found

Print unmapped source lines when the source map source is not
found. Error stacks should be correctly mapped even when the
source is absent.

PR-URL: https://github.com/nodejs/node/pull/44052
Refs: https://github.com/nodejs/node/pull/44019
Reviewed-By: Ben Coe 
---
 lib/internal/source_map/prepare_stack_trace.js | 13 +++++++------
 src/node_errors.cc                             |  4 +++-
 test/fixtures/source-map/no-source.js          |  9 +++++++++
 test/fixtures/source-map/no-source.js.map      |  1 +
 test/fixtures/source-map/no-source.ts          | 10 ++++++++++
 test/message/source_map_no_source_file.js      |  6 ++++++
 test/message/source_map_no_source_file.out     | 17 +++++++++++++++++
 7 files changed, 53 insertions(+), 7 deletions(-)
 create mode 100644 test/fixtures/source-map/no-source.js
 create mode 100644 test/fixtures/source-map/no-source.js.map
 create mode 100644 test/fixtures/source-map/no-source.ts
 create mode 100644 test/message/source_map_no_source_file.js
 create mode 100644 test/message/source_map_no_source_file.out

diff --git a/lib/internal/source_map/prepare_stack_trace.js b/lib/internal/source_map/prepare_stack_trace.js
index d01ca2bedd52b8..7f184545cd8843 100644
--- a/lib/internal/source_map/prepare_stack_trace.js
+++ b/lib/internal/source_map/prepare_stack_trace.js
@@ -139,7 +139,6 @@ function getErrorSource(
   originalLine,
   originalColumn
 ) {
-  let exceptionLine = '';
   const originalSourcePathNoScheme =
     StringPrototypeStartsWith(originalSourcePath, 'file://') ?
       fileURLToPath(originalSourcePath) : originalSourcePath;
@@ -147,9 +146,14 @@ function getErrorSource(
     sourceMap.payload,
     originalSourcePath
   );
+  if (typeof source !== 'string') {
+    return;
+  }
   const lines = RegExpPrototypeSymbolSplit(/\r?\n/, source, originalLine + 1);
   const line = lines[originalLine];
-  if (!line) return exceptionLine;
+  if (!line) {
+    return;
+  }
 
   // Display ^ in appropriate position, regardless of whether tabs or
   // spaces are used:
@@ -161,7 +165,7 @@ function getErrorSource(
   }
   prefix = StringPrototypeSlice(prefix, 0, -1); // The last character is '^'.
 
-  exceptionLine =
+  const exceptionLine =
    `${originalSourcePathNoScheme}:${originalLine + 1}\n${line}\n${prefix}^\n\n`;
   return exceptionLine;
 }
@@ -184,10 +188,7 @@ function getOriginalSource(payload, originalSourcePath) {
       source = readFileSync(originalSourcePathNoScheme, 'utf8');
     } catch (err) {
       debug(err);
-      source = '';
     }
-  } else {
-    source = '';
   }
   return source;
 }
diff --git a/src/node_errors.cc b/src/node_errors.cc
index 63c6ea09d59152..a07620821c300d 100644
--- a/src/node_errors.cc
+++ b/src/node_errors.cc
@@ -105,7 +105,9 @@ static std::string GetErrorSource(Isolate* isolate,
   if (has_source_map_url && env != nullptr && env->source_maps_enabled()) {
     std::string source = GetSourceMapErrorSource(
         isolate, context, message, added_exception_line);
-    return *added_exception_line ? source : sourceline;
+    if (*added_exception_line) {
+      return source;
+    }
   }
 
   // Because of how node modules work, all scripts are wrapped with a
diff --git a/test/fixtures/source-map/no-source.js b/test/fixtures/source-map/no-source.js
new file mode 100644
index 00000000000000..da2c7ee5b39cba
--- /dev/null
+++ b/test/fixtures/source-map/no-source.js
@@ -0,0 +1,9 @@
+function Throw() {
+    throw new Error('foo');
+}
+Throw();
+// To recreate:
+//
+// npx tsc --outDir test/fixtures/source-map --sourceMap test/fixtures/source-map/no-source.ts
+// rename the "source.[0]" to "file-not-exists.ts"
+//# sourceMappingURL=no-source.js.map
\ No newline at end of file
diff --git a/test/fixtures/source-map/no-source.js.map b/test/fixtures/source-map/no-source.js.map
new file mode 100644
index 00000000000000..d2c8238d4d0276
--- /dev/null
+++ b/test/fixtures/source-map/no-source.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"no-source.js","sourceRoot":"","sources":["file-not-exists.ts"],"names":[],"mappings":"AAAA,SAAS,KAAK;IACZ,MAAM,IAAI,KAAK,CAAC,KAAK,CAAC,CAAC;AACzB,CAAC;AAED,KAAK,EAAE,CAAC;AAER,eAAe;AACf,EAAE;AACF,8FAA8F;AAC9F,kDAAkD"}
\ No newline at end of file
diff --git a/test/fixtures/source-map/no-source.ts b/test/fixtures/source-map/no-source.ts
new file mode 100644
index 00000000000000..399fc9556d9fbd
--- /dev/null
+++ b/test/fixtures/source-map/no-source.ts
@@ -0,0 +1,10 @@
+function Throw() {
+  throw new Error('foo');
+}
+
+Throw();
+
+// To recreate:
+//
+// npx tsc --outDir test/fixtures/source-map --sourceMap test/fixtures/source-map/no-source.ts
+// rename the "source.[0]" to "file-not-exists.ts"
diff --git a/test/message/source_map_no_source_file.js b/test/message/source_map_no_source_file.js
new file mode 100644
index 00000000000000..971fa5e271550b
--- /dev/null
+++ b/test/message/source_map_no_source_file.js
@@ -0,0 +1,6 @@
+// Flags:  --enable-source-maps
+
+'use strict';
+require('../common');
+
+require('../fixtures/source-map/no-source.js');
diff --git a/test/message/source_map_no_source_file.out b/test/message/source_map_no_source_file.out
new file mode 100644
index 00000000000000..aa39992a81de74
--- /dev/null
+++ b/test/message/source_map_no_source_file.out
@@ -0,0 +1,17 @@
+*no-source.js:2
+    throw new Error('foo');
+    ^
+
+Error: foo
+    at Throw (*file-not-exists.ts:2:9)
+    at Object. (*file-not-exists.ts:5:1)
+    at Module._compile (node:internal/modules/cjs/loader:*)
+    at Module._extensions..js (node:internal/modules/cjs/loader:*)
+    at Module.load (node:internal/modules/cjs/loader:*)
+    at Module._load (node:internal/modules/cjs/loader:*)
+    at Module.require (node:internal/modules/cjs/loader:*)
+    at require (node:internal/modules/cjs/helpers:*)
+    at Object. (*source_map_no_source_file.js:6:1)
+    at Module._compile (node:internal/modules/cjs/loader:*)
+
+Node.js *

From 51b4a1bf963bd8b0ab473f258c9335215126adf6 Mon Sep 17 00:00:00 2001
From: Saurabh Daware 
Date: Sat, 6 Aug 2022 21:45:13 +0530
Subject: [PATCH 089/147] doc: add performance note to `--enable-source-maps`
 docs

PR-URL: https://github.com/nodejs/node/pull/43817
Reviewed-By: Ben Coe 
Reviewed-By: Chengzhong Wu 
---
 doc/api/cli.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/api/cli.md b/doc/api/cli.md
index 8ce39b62fe17e4..2ce2c530e111a2 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -336,6 +336,11 @@ effort to report stack traces relative to the original source file.
 Overriding `Error.prepareStackTrace` prevents `--enable-source-maps` from
 modifying the stack trace.
 
+Note, enabling source maps can introduce latency to your application
+when `Error.stack` is accessed. If you access `Error.stack` frequently
+in your application, take into account the performance implications
+of `--enable-source-maps`.
+
 ### `--experimental-global-customevent`
 
 
diff --git a/doc/api/n-api.md b/doc/api/n-api.md
index 45d4e012253cb3..c1e981e063f56f 100644
--- a/doc/api/n-api.md
+++ b/doc/api/n-api.md
@@ -201,9 +201,9 @@ GitHub projects using CMake.js.
 #### prebuildify
 
 [prebuildify][] is a tool based on node-gyp. The advantage of prebuildify is
-that the built binaries are bundled with the native module when it's
+that the built binaries are bundled with the native addon when it's
 uploaded to npm. The binaries are downloaded from npm and are immediately
-available to the module user when the native module is installed.
+available to the module user when the native addon is installed.
 
 ## Usage
 
@@ -1384,7 +1384,7 @@ callback throws an exception with no way to recover.
 
 ### Fatal errors
 
-In the event of an unrecoverable error in a native module, a fatal error can be
+In the event of an unrecoverable error in a native addon, a fatal error can be
 thrown to immediately terminate the process.
 
 #### `napi_fatal_error`
@@ -5722,7 +5722,7 @@ Returns `napi_ok` if the API succeeded.
 
 This function gives V8 an indication of the amount of externally allocated
 memory that is kept alive by JavaScript objects (i.e. a JavaScript object
-that points to its own memory allocated by a native module). Registering
+that points to its own memory allocated by a native addon). Registering
 externally allocated memory will trigger global garbage collections more
 often than it would otherwise.
 
diff --git a/doc/contributing/adding-new-napi-api.md b/doc/contributing/adding-new-napi-api.md
index 18f551929e4e03..ccfe2db3959b17 100644
--- a/doc/contributing/adding-new-napi-api.md
+++ b/doc/contributing/adding-new-napi-api.md
@@ -1,6 +1,6 @@
 # Contributing a new API to Node-API
 
-Node-API is the next-generation ABI-stable API for native modules.
+Node-API is the next-generation ABI-stable API for native addons.
 While improving the API surface is encouraged and welcomed, the following are
 a set of principles and guidelines to keep in mind while adding a new
 Node-API.
diff --git a/lib/assert.js b/lib/assert.js
index fc3127f3bf4214..82c3a285f51abd 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -65,7 +65,7 @@ const { openSync, closeSync, readSync } = require('fs');
 const { inspect } = require('internal/util/inspect');
 const { isPromise, isRegExp } = require('internal/util/types');
 const { EOL } = require('internal/constants');
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 const { isError } = require('internal/util');
 
 const errorCache = new SafeMap();
@@ -303,7 +303,7 @@ function getErrMessage(message, fn) {
 
     // Skip Node.js modules!
     if (StringPrototypeStartsWith(filename, 'node:') &&
-        NativeModule.exists(StringPrototypeSlice(filename, 5))) {
+        BuiltinModule.exists(StringPrototypeSlice(filename, 5))) {
       errorCache.set(identifier, undefined);
       return;
     }
diff --git a/lib/internal/bootstrap/loaders.js b/lib/internal/bootstrap/loaders.js
index 4c7a9acef2e539..a3c3d375f7090e 100644
--- a/lib/internal/bootstrap/loaders.js
+++ b/lib/internal/bootstrap/loaders.js
@@ -24,7 +24,7 @@
 //   and have their nm_flags set to NM_F_INTERNAL.
 //
 // Internal JavaScript module loader:
-// - NativeModule: a minimal module system used to load the JavaScript core
+// - BuiltinModule: a minimal module system used to load the JavaScript core
 //   modules found in lib/**/*.js and deps/**/*.js. All core modules are
 //   compiled into the node binary via node_javascript.cc generated by js2c.py,
 //   so they can be loaded faster without the cost of I/O. This class makes the
@@ -180,9 +180,9 @@ let internalBinding;
 
 const loaderId = 'internal/bootstrap/loaders';
 const {
-  moduleIds,
+  builtinIds,
   compileFunction
-} = internalBinding('native_module');
+} = internalBinding('builtins');
 
 const getOwn = (target, property, receiver) => {
   return ObjectPrototypeHasOwnProperty(target, property) ?
@@ -195,13 +195,13 @@ const getOwn = (target, property, receiver) => {
  * Be careful not to expose this to user land unless --expose-internals is
  * used, in which case there is no compatibility guarantee about this class.
  */
-class NativeModule {
+class BuiltinModule {
   /**
    * A map from the module IDs to the module instances.
-   * @type {Map}
+   * @type {Map}
    */
   static map = new SafeMap(
-    ArrayPrototypeMap(moduleIds, (id) => [id, new NativeModule(id)])
+    ArrayPrototypeMap(builtinIds, (id) => [id, new BuiltinModule(id)])
   );
 
   constructor(id) {
@@ -216,7 +216,7 @@ class NativeModule {
     this.loading = false;
 
     // The following properties are used by the ESM implementation and only
-    // initialized when the native module is loaded by users.
+    // initialized when the built-in module is loaded by users.
     /**
      * The C++ ModuleWrap binding used to interface with the ESM implementation.
      * @type {ModuleWrap|undefined}
@@ -232,7 +232,7 @@ class NativeModule {
   // To be called during pre-execution when --expose-internals is on.
   // Enables the user-land module loader to access internal modules.
   static exposeInternals() {
-    for (const { 0: id, 1: mod } of NativeModule.map) {
+    for (const { 0: id, 1: mod } of BuiltinModule.map) {
       // Do not expose this to user land even with --expose-internals.
       if (id !== loaderId) {
         mod.canBeRequiredByUsers = true;
@@ -241,11 +241,11 @@ class NativeModule {
   }
 
   static exists(id) {
-    return NativeModule.map.has(id);
+    return BuiltinModule.map.has(id);
   }
 
   static canBeRequiredByUsers(id) {
-    const mod = NativeModule.map.get(id);
+    const mod = BuiltinModule.map.get(id);
     return mod && mod.canBeRequiredByUsers;
   }
 
@@ -327,7 +327,7 @@ class NativeModule {
 
       const fn = compileFunction(id);
       // Arguments must match the parameters specified in
-      // NativeModuleLoader::LookupAndCompile().
+      // BuiltinLoader::LookupAndCompile().
       fn(this.exports, requireFn, this, process, internalBinding, primordials);
 
       this.loaded = true;
@@ -335,6 +335,8 @@ class NativeModule {
       this.loading = false;
     }
 
+    // "NativeModule" is a legacy name of "BuiltinModule". We keep it
+    // here to avoid breaking users who parse process.moduleLoadList.
     ArrayPrototypePush(moduleLoadList, `NativeModule ${id}`);
     return this.exports;
   }
@@ -344,7 +346,7 @@ class NativeModule {
 // written in CommonJS style.
 const loaderExports = {
   internalBinding,
-  NativeModule,
+  BuiltinModule,
   require: nativeModuleRequire
 };
 
@@ -353,7 +355,7 @@ function nativeModuleRequire(id) {
     return loaderExports;
   }
 
-  const mod = NativeModule.map.get(id);
+  const mod = BuiltinModule.map.get(id);
   // Can't load the internal errors module from here, have to use a raw error.
   // eslint-disable-next-line no-restricted-syntax
   if (!mod) throw new TypeError(`Missing internal module '${id}'`);
@@ -363,7 +365,7 @@ function nativeModuleRequire(id) {
 // Allow internal modules from dependencies to require
 // other modules from dependencies by providing fallbacks.
 function requireWithFallbackInDeps(request) {
-  if (!NativeModule.map.has(request)) {
+  if (!BuiltinModule.map.has(request)) {
     request = `internal/deps/${request}`;
   }
   return nativeModuleRequire(request);
diff --git a/lib/internal/bootstrap/node.js b/lib/internal/bootstrap/node.js
index 14eb4bbcca472d..d2b82e7b699cd7 100644
--- a/lib/internal/bootstrap/node.js
+++ b/lib/internal/bootstrap/node.js
@@ -18,7 +18,7 @@
 //   modules to use.
 // - `lib/internal/bootstrap/loaders.js`: to setup internal binding and
 //   module loaders, including `process.binding()`, `process._linkedBinding()`,
-//   `internalBinding()` and `NativeModule`.
+//   `internalBinding()` and `BuiltinModule`.
 //
 // This file is run to bootstrap both the main thread and the worker threads.
 // After this file is run, certain properties are setup according to the
@@ -89,7 +89,7 @@ process.domain = null;
 process._exiting = false;
 
 // process.config is serialized config.gypi
-const nativeModule = internalBinding('native_module');
+const nativeModule = internalBinding('builtins');
 
 // TODO(@jasnell): Once this has gone through one full major
 // release cycle, remove the Proxy and setter and update the
diff --git a/lib/internal/debugger/inspect_repl.js b/lib/internal/debugger/inspect_repl.js
index bfc11990e0ddf0..1d1cd6ef276bbb 100644
--- a/lib/internal/debugger/inspect_repl.js
+++ b/lib/internal/debugger/inspect_repl.js
@@ -118,8 +118,8 @@ function extractFunctionName(description) {
 }
 
 const {
-  moduleIds: PUBLIC_BUILTINS,
-} = internalBinding('native_module');
+  builtinIds: PUBLIC_BUILTINS,
+} = internalBinding('builtins');
 const NATIVES = internalBinding('natives');
 function isNativeUrl(url) {
   url = RegExpPrototypeSymbolReplace(/\.js$/, url, '');
diff --git a/lib/internal/main/mksnapshot.js b/lib/internal/main/mksnapshot.js
index fdf0e021204858..c4ea3a06cfc378 100644
--- a/lib/internal/main/mksnapshot.js
+++ b/lib/internal/main/mksnapshot.js
@@ -7,7 +7,7 @@ const {
 } = primordials;
 
 const binding = internalBinding('mksnapshot');
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 const {
   compileSerializeMain,
 } = binding;
@@ -92,7 +92,7 @@ function supportedInUserSnapshot(id) {
 }
 
 function requireForUserSnapshot(id) {
-  if (!NativeModule.canBeRequiredByUsers(id)) {
+  if (!BuiltinModule.canBeRequiredByUsers(id)) {
     // eslint-disable-next-line no-restricted-syntax
     const err = new Error(
       `Cannot find module '${id}'. `
diff --git a/lib/internal/modules/cjs/helpers.js b/lib/internal/modules/cjs/helpers.js
index 20c167f8599f7b..3c49ab0a5d84cb 100644
--- a/lib/internal/modules/cjs/helpers.js
+++ b/lib/internal/modules/cjs/helpers.js
@@ -17,7 +17,7 @@ const {
   ERR_MANIFEST_DEPENDENCY_MISSING,
   ERR_UNKNOWN_BUILTIN_MODULE
 } = require('internal/errors').codes;
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 
 const { validateString } = require('internal/validators');
 const path = require('path');
@@ -42,10 +42,10 @@ const cjsConditions = new SafeSet([
   ...userConditions,
 ]);
 
-function loadNativeModule(filename, request) {
-  const mod = NativeModule.map.get(filename);
+function loadBuiltinModule(filename, request) {
+  const mod = BuiltinModule.map.get(filename);
   if (mod?.canBeRequiredByUsers) {
-    debug('load native module %s', request);
+    debug('load built-in module %s', request);
     // compileForPublicLoader() throws if mod.canBeRequiredByUsers is false:
     mod.compileForPublicLoader();
     return mod;
@@ -73,7 +73,7 @@ function makeRequireFunction(mod, redirects) {
         const href = destination.href;
         if (destination.protocol === 'node:') {
           const specifier = destination.pathname;
-          const mod = loadNativeModule(specifier, href);
+          const mod = loadBuiltinModule(specifier, href);
           if (mod && mod.canBeRequiredByUsers) {
             return mod.exports;
           }
@@ -230,7 +230,7 @@ module.exports = {
   addBuiltinLibsToObject,
   cjsConditions,
   hasEsmSyntax,
-  loadNativeModule,
+  loadBuiltinModule,
   makeRequireFunction,
   normalizeReferrerURL,
   stripBOM,
diff --git a/lib/internal/modules/cjs/loader.js b/lib/internal/modules/cjs/loader.js
index 7c08ff8df31883..796c527b011139 100644
--- a/lib/internal/modules/cjs/loader.js
+++ b/lib/internal/modules/cjs/loader.js
@@ -74,7 +74,7 @@ module.exports = {
   get hasLoadedAnyUserCJSModule() { return hasLoadedAnyUserCJSModule; }
 };
 
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 const {
   maybeCacheSourceMap,
 } = require('internal/source_map/source_map_cache');
@@ -92,7 +92,7 @@ const { safeGetenv } = internalBinding('credentials');
 const {
   cjsConditions,
   hasEsmSyntax,
-  loadNativeModule,
+  loadBuiltinModule,
   makeRequireFunction,
   normalizeReferrerURL,
   stripBOM,
@@ -181,9 +181,9 @@ function Module(id = '', parent) {
 }
 
 const builtinModules = [];
-for (const { 0: id, 1: mod } of NativeModule.map) {
+for (const { 0: id, 1: mod } of BuiltinModule.map) {
   if (mod.canBeRequiredByUsers &&
-    NativeModule.canBeRequiredWithoutScheme(id)) {
+    BuiltinModule.canBeRequiredWithoutScheme(id)) {
     ArrayPrototypePush(builtinModules, id);
   }
 }
@@ -191,7 +191,7 @@ for (const { 0: id, 1: mod } of NativeModule.map) {
 const allBuiltins = new SafeSet(
   ArrayPrototypeFlatMap(builtinModules, (bm) => [bm, `node:${bm}`])
 );
-NativeModule.getSchemeOnlyModuleNames().forEach((builtin) => allBuiltins.add(`node:${builtin}`));
+BuiltinModule.getSchemeOnlyModuleNames().forEach((builtin) => allBuiltins.add(`node:${builtin}`));
 
 ObjectFreeze(builtinModules);
 Module.builtinModules = builtinModules;
@@ -254,7 +254,7 @@ ObjectDefineProperty(Module, 'wrapper', {
 
 const isPreloadingDesc = { get() { return isPreloading; } };
 ObjectDefineProperty(Module.prototype, 'isPreloading', isPreloadingDesc);
-ObjectDefineProperty(NativeModule.prototype, 'isPreloading', isPreloadingDesc);
+ObjectDefineProperty(BuiltinModule.prototype, 'isPreloading', isPreloadingDesc);
 
 function getModuleParent() {
   return moduleParentCache.get(this);
@@ -675,8 +675,8 @@ if (isWindows) {
 }
 
 Module._resolveLookupPaths = function(request, parent) {
-  if (NativeModule.canBeRequiredByUsers(request) &&
-      NativeModule.canBeRequiredWithoutScheme(request)) {
+  if (BuiltinModule.canBeRequiredByUsers(request) &&
+      BuiltinModule.canBeRequiredWithoutScheme(request)) {
     debug('looking for %j in []', request);
     return null;
   }
@@ -763,7 +763,7 @@ function getExportsForCircularRequire(module) {
 // Check the cache for the requested file.
 // 1. If a module already exists in the cache: return its exports object.
 // 2. If the module is native: call
-//    `NativeModule.prototype.compileForPublicLoader()` and return the exports.
+//    `BuiltinModule.prototype.compileForPublicLoader()` and return the exports.
 // 3. Otherwise, create a new module for the file and save it to the cache.
 //    Then have it load  the file contents before returning its exports
 //    object.
@@ -792,7 +792,7 @@ Module._load = function(request, parent, isMain) {
     // Slice 'node:' prefix
     const id = StringPrototypeSlice(request, 5);
 
-    const module = loadNativeModule(id, request);
+    const module = loadBuiltinModule(id, request);
     if (!module?.canBeRequiredByUsers) {
       throw new ERR_UNKNOWN_BUILTIN_MODULE(request);
     }
@@ -814,9 +814,9 @@ Module._load = function(request, parent, isMain) {
     }
   }
 
-  const mod = loadNativeModule(filename, request);
+  const mod = loadBuiltinModule(filename, request);
   if (mod?.canBeRequiredByUsers &&
-      NativeModule.canBeRequiredWithoutScheme(filename)) {
+      BuiltinModule.canBeRequiredWithoutScheme(filename)) {
     return mod.exports;
   }
 
@@ -865,10 +865,10 @@ Module._resolveFilename = function(request, parent, isMain, options) {
   if (
     (
       StringPrototypeStartsWith(request, 'node:') &&
-      NativeModule.canBeRequiredByUsers(StringPrototypeSlice(request, 5))
+      BuiltinModule.canBeRequiredByUsers(StringPrototypeSlice(request, 5))
     ) || (
-      NativeModule.canBeRequiredByUsers(request) &&
-      NativeModule.canBeRequiredWithoutScheme(request)
+      BuiltinModule.canBeRequiredByUsers(request) &&
+      BuiltinModule.canBeRequiredWithoutScheme(request)
     )
   ) {
     return request;
@@ -1298,9 +1298,9 @@ Module._preloadModules = function(requests) {
 };
 
 Module.syncBuiltinESMExports = function syncBuiltinESMExports() {
-  for (const mod of NativeModule.map.values()) {
+  for (const mod of BuiltinModule.map.values()) {
     if (mod.canBeRequiredByUsers &&
-        NativeModule.canBeRequiredWithoutScheme(mod.id)) {
+        BuiltinModule.canBeRequiredWithoutScheme(mod.id)) {
       mod.syncExports();
     }
   }
diff --git a/lib/internal/modules/esm/loader.js b/lib/internal/modules/esm/loader.js
index 71c9100a7e7ed1..79e9b2446c6bbf 100644
--- a/lib/internal/modules/esm/loader.js
+++ b/lib/internal/modules/esm/loader.js
@@ -719,7 +719,7 @@ class ESMLoader {
           filename: '',
         }
       );
-      const { NativeModule } = require('internal/bootstrap/loaders');
+      const { BuiltinModule } = require('internal/bootstrap/loaders');
       // We only allow replacing the importMetaInitializer during preload,
       // after preload is finished, we disable the ability to replace it
       //
@@ -737,8 +737,8 @@ class ESMLoader {
           globalThis,
           // Param getBuiltin
           (builtinName) => {
-            if (NativeModule.canBeRequiredByUsers(builtinName) &&
-                NativeModule.canBeRequiredWithoutScheme(builtinName)) {
+            if (BuiltinModule.canBeRequiredByUsers(builtinName) &&
+                BuiltinModule.canBeRequiredWithoutScheme(builtinName)) {
               return require(builtinName);
             }
             throw new ERR_INVALID_ARG_VALUE('builtinName', builtinName);
diff --git a/lib/internal/modules/esm/resolve.js b/lib/internal/modules/esm/resolve.js
index 64a566d6edcc47..a923508f2fd866 100644
--- a/lib/internal/modules/esm/resolve.js
+++ b/lib/internal/modules/esm/resolve.js
@@ -26,7 +26,7 @@ const {
   StringPrototypeStartsWith,
 } = primordials;
 const internalFS = require('internal/fs/utils');
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 const {
   realpathSync,
   statSync,
@@ -752,8 +752,8 @@ function parsePackageName(specifier, base) {
  * @returns {resolved: URL, format? : string}
  */
 function packageResolve(specifier, base, conditions) {
-  if (NativeModule.canBeRequiredByUsers(specifier) &&
-      NativeModule.canBeRequiredWithoutScheme(specifier)) {
+  if (BuiltinModule.canBeRequiredByUsers(specifier) &&
+      BuiltinModule.canBeRequiredWithoutScheme(specifier)) {
     return new URL('node:' + specifier);
   }
 
@@ -935,8 +935,8 @@ function checkIfDisallowedImport(specifier, parsed, parsedParentURL) {
 
         return { url: parsed.href };
       }
-      if (NativeModule.canBeRequiredByUsers(specifier) &&
-          NativeModule.canBeRequiredWithoutScheme(specifier)) {
+      if (BuiltinModule.canBeRequiredByUsers(specifier) &&
+          BuiltinModule.canBeRequiredWithoutScheme(specifier)) {
         throw new ERR_NETWORK_IMPORT_DISALLOWED(
           specifier,
           parsedParentURL,
diff --git a/lib/internal/modules/esm/translators.js b/lib/internal/modules/esm/translators.js
index 8fb3c96f8dc4c5..0916e5604e80f6 100644
--- a/lib/internal/modules/esm/translators.js
+++ b/lib/internal/modules/esm/translators.js
@@ -28,7 +28,7 @@ const { readFileSync } = require('fs');
 const { extname, isAbsolute } = require('path');
 const {
   hasEsmSyntax,
-  loadNativeModule,
+  loadBuiltinModule,
   stripBOM,
 } = require('internal/modules/cjs/helpers');
 const {
@@ -255,7 +255,7 @@ translators.set('builtin', async function builtinStrategy(url) {
   debug(`Translating BuiltinModule ${url}`);
   // Slice 'node:' scheme
   const id = StringPrototypeSlice(url, 5);
-  const module = loadNativeModule(id, url);
+  const module = loadBuiltinModule(id, url);
   if (!StringPrototypeStartsWith(url, 'node:') || !module) {
     throw new ERR_UNKNOWN_BUILTIN_MODULE(url);
   }
diff --git a/lib/internal/process/pre_execution.js b/lib/internal/process/pre_execution.js
index 923311d7ac161a..d2f2dad8dd445a 100644
--- a/lib/internal/process/pre_execution.js
+++ b/lib/internal/process/pre_execution.js
@@ -322,7 +322,7 @@ function initializeReport() {
 function setupDebugEnv() {
   require('internal/util/debuglog').initializeDebugEnv(process.env.NODE_DEBUG);
   if (getOptionValue('--expose-internals')) {
-    require('internal/bootstrap/loaders').NativeModule.exposeInternals();
+    require('internal/bootstrap/loaders').BuiltinModule.exposeInternals();
   }
 }
 
@@ -524,8 +524,8 @@ function initializePolicy() {
 }
 
 function initializeWASI() {
-  const { NativeModule } = require('internal/bootstrap/loaders');
-  const mod = NativeModule.map.get('wasi');
+  const { BuiltinModule } = require('internal/bootstrap/loaders');
+  const mod = BuiltinModule.map.get('wasi');
   mod.canBeRequiredByUsers =
     getOptionValue('--experimental-wasi-unstable-preview1');
 }
diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
index f38df74ed6af15..c49fa070f70eeb 100644
--- a/lib/internal/util/inspect.js
+++ b/lib/internal/util/inspect.js
@@ -136,7 +136,7 @@ const {
 
 const assert = require('internal/assert');
 
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 const {
   validateObject,
   validateString,
@@ -1375,7 +1375,7 @@ function formatError(err, constructor, tag, ctx, keys) {
       let esmWorkingDirectory;
       for (let line of lines) {
         const core = line.match(coreModuleRegExp);
-        if (core !== null && NativeModule.exists(core[1])) {
+        if (core !== null && BuiltinModule.exists(core[1])) {
           newStack += `\n${ctx.stylize(line, 'undefined')}`;
         } else {
           newStack += '\n';
diff --git a/lib/process.js b/lib/process.js
index 43c8bf96f0bd48..aea7351ba4fd5b 100644
--- a/lib/process.js
+++ b/lib/process.js
@@ -1,4 +1,4 @@
 'use strict';
 
-// Re-export process as a native module
+// Re-export process as a built-in module
 module.exports = process;
diff --git a/lib/repl.js b/lib/repl.js
index c4e606c77e56e6..f2996d660d8d6f 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -99,7 +99,7 @@ const {
   globalThis,
 } = primordials;
 
-const { NativeModule } = require('internal/bootstrap/loaders');
+const { BuiltinModule } = require('internal/bootstrap/loaders');
 const {
   makeRequireFunction,
   addBuiltinLibsToObject
@@ -130,7 +130,7 @@ let _builtinLibs = ArrayPrototypeFilter(
 const nodeSchemeBuiltinLibs = ArrayPrototypeMap(
   _builtinLibs, (lib) => `node:${lib}`);
 ArrayPrototypeForEach(
-  NativeModule.getSchemeOnlyModuleNames(),
+  BuiltinModule.getSchemeOnlyModuleNames(),
   (lib) => ArrayPrototypePush(nodeSchemeBuiltinLibs, `node:${lib}`),
 );
 const domain = require('domain');
diff --git a/node.gyp b/node.gyp
index e8227bb22a39fe..e3b21af8a0d407 100644
--- a/node.gyp
+++ b/node.gyp
@@ -500,6 +500,7 @@
         'src/node_binding.cc',
         'src/node_blob.cc',
         'src/node_buffer.cc',
+        'src/node_builtins.cc',
         'src/node_config.cc',
         'src/node_constants.cc',
         'src/node_contextify.cc',
@@ -515,7 +516,6 @@
         'src/node_main_instance.cc',
         'src/node_messaging.cc',
         'src/node_metadata.cc',
-        'src/node_native_module.cc',
         'src/node_options.cc',
         'src/node_os.cc',
         'src/node_perf.cc',
@@ -599,6 +599,7 @@
         'src/node_binding.h',
         'src/node_blob.h',
         'src/node_buffer.h',
+        'src/node_builtins.h',
         'src/node_constants.h',
         'src/node_context_data.h',
         'src/node_contextify.h',
@@ -619,7 +620,6 @@
         'src/node_messaging.h',
         'src/node_metadata.h',
         'src/node_mutex.h',
-        'src/node_native_module.h',
         'src/node_object_wrap.h',
         'src/node_options.h',
         'src/node_options-inl.h',
diff --git a/src/api/environment.cc b/src/api/environment.cc
index b09d6736722d4e..28f1bbcf53bb50 100644
--- a/src/api/environment.cc
+++ b/src/api/environment.cc
@@ -1,8 +1,8 @@
 #include "node.h"
+#include "node_builtins.h"
 #include "node_context_data.h"
 #include "node_errors.h"
 #include "node_internals.h"
-#include "node_native_module.h"
 #include "node_options-inl.h"
 #include "node_platform.h"
 #include "node_v8_platform-inl.h"
@@ -442,14 +442,13 @@ MaybeLocal LoadEnvironment(
 
         // TODO(addaleax): Avoid having a global table for all scripts.
         std::string name = "embedder_main_" + std::to_string(env->thread_id());
-        native_module::NativeModuleLoader::Add(
+        builtins::BuiltinLoader::Add(
             name.c_str(), UnionBytes(**main_utf16, main_utf16->length()));
         env->set_main_utf16(std::move(main_utf16));
         // Arguments must match the parameters specified in
-        // NativeModuleLoader::LookupAndCompile().
-        std::vector> args = {
-            env->process_object(),
-            env->native_module_require()};
+        // BuiltinLoader::LookupAndCompile().
+        std::vector> args = {env->process_object(),
+                                          env->builtin_module_require()};
         return ExecuteBootstrapper(env, name.c_str(), &args);
       });
 }
@@ -691,11 +690,10 @@ Maybe InitializePrimordials(Local context) {
 
   for (const char** module = context_files; *module != nullptr; module++) {
     // Arguments must match the parameters specified in
-    // NativeModuleLoader::LookupAndCompile().
+    // BuiltinLoader::LookupAndCompile().
     Local arguments[] = {context->Global(), exports, primordials};
     MaybeLocal maybe_fn =
-        native_module::NativeModuleLoader::LookupAndCompile(
-            context, *module, nullptr);
+        builtins::BuiltinLoader::LookupAndCompile(context, *module, nullptr);
     Local fn;
     if (!maybe_fn.ToLocal(&fn)) {
       return Nothing();
diff --git a/src/crypto/crypto_keys.cc b/src/crypto/crypto_keys.cc
index ba37f24c48dad5..aab49ea196e578 100644
--- a/src/crypto/crypto_keys.cc
+++ b/src/crypto/crypto_keys.cc
@@ -1384,8 +1384,9 @@ BaseObjectPtr NativeKeyObject::KeyObjectTransferData::Deserialize(
   Local key_ctor;
   Local arg = FIXED_ONE_BYTE_STRING(env->isolate(),
                                            "internal/crypto/keys");
-  if (env->native_module_require()->
-      Call(context, Null(env->isolate()), 1, &arg).IsEmpty()) {
+  if (env->builtin_module_require()
+          ->Call(context, Null(env->isolate()), 1, &arg)
+          .IsEmpty()) {
     return {};
   }
   switch (data_->GetKeyType()) {
diff --git a/src/env.cc b/src/env.cc
index 93f1b0223686b2..b8985a498cb042 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -1737,11 +1737,11 @@ void Environment::PrintInfoForSnapshotIfDebug() {
     fprintf(stderr, "BaseObjects at the exit of the Environment:\n");
     PrintAllBaseObjects();
     fprintf(stderr, "\nNative modules without cache:\n");
-    for (const auto& s : native_modules_without_cache) {
+    for (const auto& s : builtins_without_cache) {
       fprintf(stderr, "%s\n", s.c_str());
     }
     fprintf(stderr, "\nNative modules with cache:\n");
-    for (const auto& s : native_modules_with_cache) {
+    for (const auto& s : builtins_with_cache) {
       fprintf(stderr, "%s\n", s.c_str());
     }
     fprintf(stderr, "\nStatic bindings (need to be registered):\n");
@@ -1797,8 +1797,8 @@ EnvSerializeInfo Environment::Serialize(SnapshotCreator* creator) {
   SerializeBindingData(this, creator, &info);
   // Currently all modules are compiled without cache in builtin snapshot
   // builder.
-  info.native_modules = std::vector(
-      native_modules_without_cache.begin(), native_modules_without_cache.end());
+  info.builtins = std::vector(builtins_without_cache.begin(),
+                                           builtins_without_cache.end());
 
   info.async_hooks = async_hooks_.Serialize(ctx, creator);
   info.immediate_info = immediate_info_.Serialize(ctx, creator);
@@ -1857,9 +1857,9 @@ std::ostream& operator<<(std::ostream& output, const EnvSerializeInfo& i) {
          << "// -- bindings begins --\n"
          << i.bindings << ",\n"
          << "// -- bindings ends --\n"
-         << "// -- native_modules begins --\n"
-         << i.native_modules << ",\n"
-         << "// -- native_modules ends --\n"
+         << "// -- builtins begins --\n"
+         << i.builtins << ",\n"
+         << "// -- builtins ends --\n"
          << "// -- async_hooks begins --\n"
          << i.async_hooks << ",\n"
          << "// -- async_hooks ends --\n"
@@ -1907,7 +1907,7 @@ void Environment::DeserializeProperties(const EnvSerializeInfo* info) {
 
   RunDeserializeRequests();
 
-  native_modules_in_snapshot = info->native_modules;
+  builtins_in_snapshot = info->builtins;
   async_hooks_.Deserialize(ctx);
   immediate_info_.Deserialize(ctx);
   tick_info_.Deserialize(ctx);
@@ -2128,9 +2128,8 @@ void Environment::MemoryInfo(MemoryTracker* tracker) const {
   // Iteratable STLs have their own sizes subtracted from the parent
   // by default.
   tracker->TrackField("isolate_data", isolate_data_);
-  tracker->TrackField("native_modules_with_cache", native_modules_with_cache);
-  tracker->TrackField("native_modules_without_cache",
-                      native_modules_without_cache);
+  tracker->TrackField("builtins_with_cache", builtins_with_cache);
+  tracker->TrackField("builtins_without_cache", builtins_without_cache);
   tracker->TrackField("destroy_async_id_list", destroy_async_id_list_);
   tracker->TrackField("exec_argv", exec_argv_);
   tracker->TrackField("exiting", exiting_);
diff --git a/src/env.h b/src/env.h
index aa9c3554f8b929..23f86bd89746b2 100644
--- a/src/env.h
+++ b/src/env.h
@@ -34,8 +34,8 @@
 #include "handle_wrap.h"
 #include "node.h"
 #include "node_binding.h"
+#include "node_builtins.h"
 #include "node_main_instance.h"
-#include "node_native_module.h"
 #include "node_options.h"
 #include "node_perf_common.h"
 #include "node_snapshotable.h"
@@ -548,7 +548,7 @@ class NoArrayBufferZeroFillScope {
   V(maybe_cache_generated_source_map, v8::Function)                            \
   V(messaging_deserialize_create_object, v8::Function)                         \
   V(message_port, v8::Object)                                                  \
-  V(native_module_require, v8::Function)                                       \
+  V(builtin_module_require, v8::Function)                                      \
   V(performance_entry_callback, v8::Function)                                  \
   V(performance_entry_template, v8::Function)                                  \
   V(prepare_stack_trace_callback, v8::Function)                                \
@@ -969,7 +969,7 @@ struct DeserializeRequest {
 
 struct EnvSerializeInfo {
   std::vector bindings;
-  std::vector native_modules;
+  std::vector builtins;
   AsyncHooks::SerializeInfo async_hooks;
   TickInfo::SerializeInfo tick_info;
   ImmediateInfo::SerializeInfo immediate_info;
@@ -1004,9 +1004,9 @@ struct SnapshotData {
 
   // A vector of built-in ids and v8::ScriptCompiler::CachedData, this can be
   // shared across Node.js instances because they are supposed to share the
-  // read only space. We use native_module::CodeCacheInfo because
+  // read only space. We use builtins::CodeCacheInfo because
   // v8::ScriptCompiler::CachedData is not copyable.
-  std::vector code_cache;
+  std::vector code_cache;
 
   void ToBlob(FILE* out) const;
   static void FromBlob(SnapshotData* out, FILE* in);
@@ -1206,11 +1206,11 @@ class Environment : public MemoryRetainer {
   inline std::vector* destroy_async_id_list();
 
   std::set internal_bindings;
-  std::set native_modules_with_cache;
-  std::set native_modules_without_cache;
+  std::set builtins_with_cache;
+  std::set builtins_without_cache;
   // This is only filled during deserialization. We use a vector since
   // it's only used for tests.
-  std::vector native_modules_in_snapshot;
+  std::vector builtins_in_snapshot;
 
   std::unordered_multimap hash_to_module_map;
   std::unordered_map id_to_module_map;
diff --git a/src/node.cc b/src/node.cc
index 63f6fa48dad93d..615f3e37011310 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -28,11 +28,11 @@
 #include "histogram-inl.h"
 #include "memory_tracker-inl.h"
 #include "node_binding.h"
+#include "node_builtins.h"
 #include "node_errors.h"
 #include "node_internals.h"
 #include "node_main_instance.h"
 #include "node_metadata.h"
-#include "node_native_module.h"
 #include "node_options-inl.h"
 #include "node_perf.h"
 #include "node_process-inl.h"
@@ -125,7 +125,7 @@
 
 namespace node {
 
-using native_module::NativeModuleLoader;
+using builtins::BuiltinLoader;
 
 using v8::EscapableHandleScope;
 using v8::Function;
@@ -176,7 +176,7 @@ MaybeLocal ExecuteBootstrapper(Environment* env,
                                       std::vector>* arguments) {
   EscapableHandleScope scope(env->isolate());
   MaybeLocal maybe_fn =
-      NativeModuleLoader::LookupAndCompile(env->context(), id, env);
+      BuiltinLoader::LookupAndCompile(env->context(), id, env);
 
   Local fn;
   if (!maybe_fn.ToLocal(&fn)) {
@@ -300,7 +300,7 @@ MaybeLocal Environment::BootstrapInternalLoaders() {
   EscapableHandleScope scope(isolate_);
 
   // Arguments must match the parameters specified in
-  // NativeModuleLoader::LookupAndCompile().
+  // BuiltinLoader::LookupAndCompile().
   std::vector> loaders_args = {
       process_object(),
       NewFunctionTemplate(binding::GetLinkedBinding)
@@ -327,7 +327,7 @@ MaybeLocal Environment::BootstrapInternalLoaders() {
   Local require =
       loader_exports_obj->Get(context(), require_string()).ToLocalChecked();
   CHECK(require->IsFunction());
-  set_native_module_require(require.As());
+  set_builtin_module_require(require.As());
 
   return scope.Escape(loader_exports);
 }
@@ -336,13 +336,12 @@ MaybeLocal Environment::BootstrapNode() {
   EscapableHandleScope scope(isolate_);
 
   // Arguments must match the parameters specified in
-  // NativeModuleLoader::LookupAndCompile().
+  // BuiltinLoader::LookupAndCompile().
   // process, require, internalBinding, primordials
-  std::vector> node_args = {
-      process_object(),
-      native_module_require(),
-      internal_binding_loader(),
-      primordials()};
+  std::vector> node_args = {process_object(),
+                                         builtin_module_require(),
+                                         internal_binding_loader(),
+                                         primordials()};
 
   MaybeLocal result =
       ExecuteBootstrapper(this, "internal/bootstrap/node", &node_args);
@@ -422,9 +421,9 @@ MaybeLocal StartExecution(Environment* env, const char* main_script_id) {
   CHECK_NOT_NULL(main_script_id);
 
   // Arguments must match the parameters specified in
-  // NativeModuleLoader::LookupAndCompile().
+  // BuiltinLoader::LookupAndCompile().
   std::vector> arguments = {env->process_object(),
-                                         env->native_module_require(),
+                                         env->builtin_module_require(),
                                          env->internal_binding_loader(),
                                          env->primordials()};
 
@@ -445,8 +444,8 @@ MaybeLocal StartExecution(Environment* env, StartExecutionCallback cb) {
     if (StartExecution(env, "internal/main/environment").IsEmpty()) return {};
 
     StartExecutionCallbackInfo info = {
-      env->process_object(),
-      env->native_module_require(),
+        env->process_object(),
+        env->builtin_module_require(),
     };
 
     return scope.EscapeMaybe(cb(info));
@@ -990,7 +989,7 @@ int InitializeNodeWithArgs(std::vector* argv,
 
   // We should set node_is_initialized here instead of in node::Start,
   // otherwise embedders using node::Init to initialize everything will not be
-  // able to set it and native modules will not load for them.
+  // able to set it and native addons will not load for them.
   node_is_initialized = true;
   return 0;
 }
@@ -1280,7 +1279,7 @@ int LoadSnapshotDataAndRun(const SnapshotData** snapshot_data_ptr,
   }
 
   if ((*snapshot_data_ptr) != nullptr) {
-    NativeModuleLoader::RefreshCodeCache((*snapshot_data_ptr)->code_cache);
+    BuiltinLoader::RefreshCodeCache((*snapshot_data_ptr)->code_cache);
   }
   NodeMainInstance main_instance(*snapshot_data_ptr,
                                  uv_default_loop(),
diff --git a/src/node_api.h b/src/node_api.h
index 982b41cadf20ae..3dc17f31f68778 100644
--- a/src/node_api.h
+++ b/src/node_api.h
@@ -3,7 +3,7 @@
 
 #ifdef BUILDING_NODE_EXTENSION
 #ifdef _WIN32
-// Building native module against node
+// Building native addon against node
 #define NAPI_EXTERN __declspec(dllimport)
 #elif defined(__wasm32__)
 #define NAPI_EXTERN __attribute__((__import_module__("napi")))
diff --git a/src/node_binding.cc b/src/node_binding.cc
index de9ed507889997..84495ff8e252f9 100644
--- a/src/node_binding.cc
+++ b/src/node_binding.cc
@@ -1,9 +1,9 @@
 #include "node_binding.h"
 #include 
 #include "env-inl.h"
+#include "node_builtins.h"
 #include "node_errors.h"
 #include "node_external_reference.h"
-#include "node_native_module.h"
 #include "util.h"
 
 #include 
@@ -43,6 +43,7 @@
   V(blob)                                                                      \
   V(block_list)                                                                \
   V(buffer)                                                                    \
+  V(builtins)                                                                  \
   V(cares_wrap)                                                                \
   V(config)                                                                    \
   V(contextify)                                                                \
@@ -60,7 +61,6 @@
   V(messaging)                                                                 \
   V(module_wrap)                                                               \
   V(mksnapshot)                                                                \
-  V(native_module)                                                             \
   V(options)                                                                   \
   V(os)                                                                        \
   V(performance)                                                               \
@@ -598,15 +598,13 @@ void GetInternalBinding(const FunctionCallbackInfo& args) {
         exports->SetPrototype(env->context(), Null(env->isolate())).FromJust());
     DefineConstants(env->isolate(), exports);
   } else if (!strcmp(*module_v, "natives")) {
-    exports =
-        native_module::NativeModuleLoader::GetSourceObject(env->context());
+    exports = builtins::BuiltinLoader::GetSourceObject(env->context());
     // Legacy feature: process.binding('natives').config contains stringified
     // config.gypi
     CHECK(exports
               ->Set(env->context(),
                     env->config_string(),
-                    native_module::NativeModuleLoader::GetConfigString(
-                        env->isolate()))
+                    builtins::BuiltinLoader::GetConfigString(env->isolate()))
               .FromJust());
   } else {
     char errmsg[1024];
diff --git a/src/node_native_module.cc b/src/node_builtins.cc
similarity index 74%
rename from src/node_native_module.cc
rename to src/node_builtins.cc
index f13fbc043b04c1..150fb0064851c8 100644
--- a/src/node_native_module.cc
+++ b/src/node_builtins.cc
@@ -1,4 +1,4 @@
-#include "node_native_module.h"
+#include "node_builtins.h"
 #include "debug_utils-inl.h"
 #include "env-inl.h"
 #include "node_external_reference.h"
@@ -6,7 +6,7 @@
 #include "util-inl.h"
 
 namespace node {
-namespace native_module {
+namespace builtins {
 
 using v8::Context;
 using v8::DEFAULT;
@@ -28,28 +28,27 @@ using v8::SideEffectType;
 using v8::String;
 using v8::Value;
 
-NativeModuleLoader NativeModuleLoader::instance_;
+BuiltinLoader BuiltinLoader::instance_;
 
-NativeModuleLoader::NativeModuleLoader()
-    : config_(GetConfig()), has_code_cache_(false) {
+BuiltinLoader::BuiltinLoader() : config_(GetConfig()), has_code_cache_(false) {
   LoadJavaScriptSource();
 }
 
-NativeModuleLoader* NativeModuleLoader::GetInstance() {
+BuiltinLoader* BuiltinLoader::GetInstance() {
   return &instance_;
 }
 
-bool NativeModuleLoader::Exists(const char* id) {
+bool BuiltinLoader::Exists(const char* id) {
   auto& source = GetInstance()->source_;
   return source.find(id) != source.end();
 }
 
-bool NativeModuleLoader::Add(const char* id, const UnionBytes& source) {
+bool BuiltinLoader::Add(const char* id, const UnionBytes& source) {
   auto result = GetInstance()->source_.emplace(id, source);
   return result.second;
 }
 
-Local NativeModuleLoader::GetSourceObject(Local context) {
+Local BuiltinLoader::GetSourceObject(Local context) {
   Isolate* isolate = context->GetIsolate();
   Local out = Object::New(isolate);
   auto& source = GetInstance()->source_;
@@ -60,11 +59,11 @@ Local NativeModuleLoader::GetSourceObject(Local context) {
   return out;
 }
 
-Local NativeModuleLoader::GetConfigString(Isolate* isolate) {
+Local BuiltinLoader::GetConfigString(Isolate* isolate) {
   return GetInstance()->config_.ToStringChecked(isolate);
 }
 
-std::vector NativeModuleLoader::GetModuleIds() {
+std::vector BuiltinLoader::GetBuiltinIds() {
   std::vector ids;
   ids.reserve(source_.size());
   for (auto const& x : source_) {
@@ -73,9 +72,9 @@ std::vector NativeModuleLoader::GetModuleIds() {
   return ids;
 }
 
-void NativeModuleLoader::InitializeModuleCategories() {
-  if (module_categories_.is_initialized) {
-    DCHECK(!module_categories_.can_be_required.empty());
+void BuiltinLoader::InitializeBuiltinCategories() {
+  if (builtin_categories_.is_initialized) {
+    DCHECK(!builtin_categories_.can_be_required.empty());
     return;
   }
 
@@ -91,41 +90,30 @@ void NativeModuleLoader::InitializeModuleCategories() {
     "internal/main/"
   };
 
-  module_categories_.can_be_required.emplace(
+  builtin_categories_.can_be_required.emplace(
       "internal/deps/cjs-module-lexer/lexer");
 
-  module_categories_.cannot_be_required = std::set {
+  builtin_categories_.cannot_be_required = std::set {
 #if !HAVE_INSPECTOR
-      "inspector",
-      "internal/util/inspector",
+    "inspector", "internal/util/inspector",
 #endif  // !HAVE_INSPECTOR
 
 #if !NODE_USE_V8_PLATFORM || !defined(NODE_HAVE_I18N_SUPPORT)
-      "trace_events",
+        "trace_events",
 #endif  // !NODE_USE_V8_PLATFORM || !defined(NODE_HAVE_I18N_SUPPORT)
 
 #if !HAVE_OPENSSL
-      "crypto",
-      "crypto/promises",
-      "https",
-      "http2",
-      "tls",
-      "_tls_common",
-      "_tls_wrap",
-      "internal/tls/secure-pair",
-      "internal/tls/parse-cert-string",
-      "internal/tls/secure-context",
-      "internal/http2/core",
-      "internal/http2/compat",
-      "internal/policy/manifest",
-      "internal/process/policy",
-      "internal/streams/lazy_transform",
-#endif  // !HAVE_OPENSSL
-      "sys",  // Deprecated.
-      "wasi",  // Experimental.
-      "internal/test/binding",
-      "internal/v8_prof_polyfill",
-      "internal/v8_prof_processor",
+        "crypto", "crypto/promises", "https", "http2", "tls", "_tls_common",
+        "_tls_wrap", "internal/tls/secure-pair",
+        "internal/tls/parse-cert-string", "internal/tls/secure-context",
+        "internal/http2/core", "internal/http2/compat",
+        "internal/policy/manifest", "internal/process/policy",
+        "internal/streams/lazy_transform",
+#endif           // !HAVE_OPENSSL
+        "sys",   // Deprecated.
+        "wasi",  // Experimental.
+        "internal/test/binding", "internal/v8_prof_polyfill",
+        "internal/v8_prof_processor",
   };
 
   for (auto const& x : source_) {
@@ -135,46 +123,45 @@ void NativeModuleLoader::InitializeModuleCategories() {
         continue;
       }
       if (id.find(prefix) == 0 &&
-          module_categories_.can_be_required.count(id) == 0) {
-        module_categories_.cannot_be_required.emplace(id);
+          builtin_categories_.can_be_required.count(id) == 0) {
+        builtin_categories_.cannot_be_required.emplace(id);
       }
     }
   }
 
   for (auto const& x : source_) {
     const std::string& id = x.first;
-    if (0 == module_categories_.cannot_be_required.count(id)) {
-      module_categories_.can_be_required.emplace(id);
+    if (0 == builtin_categories_.cannot_be_required.count(id)) {
+      builtin_categories_.can_be_required.emplace(id);
     }
   }
 
-  module_categories_.is_initialized = true;
+  builtin_categories_.is_initialized = true;
 }
 
-const std::set& NativeModuleLoader::GetCannotBeRequired() {
-  InitializeModuleCategories();
-  return module_categories_.cannot_be_required;
+const std::set& BuiltinLoader::GetCannotBeRequired() {
+  InitializeBuiltinCategories();
+  return builtin_categories_.cannot_be_required;
 }
 
-const std::set& NativeModuleLoader::GetCanBeRequired() {
-  InitializeModuleCategories();
-  return module_categories_.can_be_required;
+const std::set& BuiltinLoader::GetCanBeRequired() {
+  InitializeBuiltinCategories();
+  return builtin_categories_.can_be_required;
 }
 
-bool NativeModuleLoader::CanBeRequired(const char* id) {
+bool BuiltinLoader::CanBeRequired(const char* id) {
   return GetCanBeRequired().count(id) == 1;
 }
 
-bool NativeModuleLoader::CannotBeRequired(const char* id) {
+bool BuiltinLoader::CannotBeRequired(const char* id) {
   return GetCannotBeRequired().count(id) == 1;
 }
 
-NativeModuleCacheMap* NativeModuleLoader::code_cache() {
+BuiltinCodeCacheMap* BuiltinLoader::code_cache() {
   return &code_cache_;
 }
 
-ScriptCompiler::CachedData* NativeModuleLoader::GetCodeCache(
-    const char* id) const {
+ScriptCompiler::CachedData* BuiltinLoader::GetCodeCache(const char* id) const {
   Mutex::ScopedLock lock(code_cache_mutex_);
   const auto it = code_cache_.find(id);
   if (it == code_cache_.end()) {
@@ -201,8 +188,8 @@ static std::string OnDiskFileName(const char* id) {
 }
 #endif  // NODE_BUILTIN_MODULES_PATH
 
-MaybeLocal NativeModuleLoader::LoadBuiltinModuleSource(Isolate* isolate,
-                                                               const char* id) {
+MaybeLocal BuiltinLoader::LoadBuiltinSource(Isolate* isolate,
+                                                    const char* id) {
 #ifdef NODE_BUILTIN_MODULES_PATH
   if (strncmp(id, "embedder_main_", strlen("embedder_main_")) == 0) {
 #endif  // NODE_BUILTIN_MODULES_PATH
@@ -235,16 +222,16 @@ MaybeLocal NativeModuleLoader::LoadBuiltinModuleSource(Isolate* isolate,
 // Returns Local of the compiled module if return_code_cache
 // is false (we are only compiling the function).
 // Otherwise return a Local containing the cache.
-MaybeLocal NativeModuleLoader::LookupAndCompileInternal(
+MaybeLocal BuiltinLoader::LookupAndCompileInternal(
     Local context,
     const char* id,
     std::vector>* parameters,
-    NativeModuleLoader::Result* result) {
+    BuiltinLoader::Result* result) {
   Isolate* isolate = context->GetIsolate();
   EscapableHandleScope scope(isolate);
 
   Local source;
-  if (!LoadBuiltinModuleSource(isolate, id).ToLocal(&source)) {
+  if (!LoadBuiltinSource(isolate, id).ToLocal(&source)) {
     return {};
   }
 
@@ -288,7 +275,7 @@ MaybeLocal NativeModuleLoader::LookupAndCompileInternal(
                                                nullptr,
                                                options);
 
-  // This could fail when there are early errors in the native modules,
+  // This could fail when there are early errors in the built-in modules,
   // e.g. the syntax errors
   Local fun;
   if (!maybe_fun.ToLocal(&fun)) {
@@ -342,10 +329,8 @@ MaybeLocal NativeModuleLoader::LookupAndCompileInternal(
 // Returns Local of the compiled module if return_code_cache
 // is false (we are only compiling the function).
 // Otherwise return a Local containing the cache.
-MaybeLocal NativeModuleLoader::LookupAndCompile(
-    Local context,
-    const char* id,
-    Environment* optional_env) {
+MaybeLocal BuiltinLoader::LookupAndCompile(
+    Local context, const char* id, Environment* optional_env) {
   Result result;
   std::vector> parameters;
   Isolate* isolate = context->GetIsolate();
@@ -412,9 +397,9 @@ MaybeLocal NativeModuleLoader::LookupAndCompile(
   return maybe;
 }
 
-bool NativeModuleLoader::CompileAllBuiltins(Local context) {
-  NativeModuleLoader* loader = GetInstance();
-  std::vector ids = loader->GetModuleIds();
+bool BuiltinLoader::CompileAllBuiltins(Local context) {
+  BuiltinLoader* loader = GetInstance();
+  std::vector ids = loader->GetBuiltinIds();
   bool all_succeeded = true;
   std::string v8_tools_prefix = "internal/deps/v8/tools/";
   for (const auto& id : ids) {
@@ -434,8 +419,8 @@ bool NativeModuleLoader::CompileAllBuiltins(Local context) {
   return all_succeeded;
 }
 
-void NativeModuleLoader::CopyCodeCache(std::vector* out) {
-  NativeModuleLoader* loader = GetInstance();
+void BuiltinLoader::CopyCodeCache(std::vector* out) {
+  BuiltinLoader* loader = GetInstance();
   Mutex::ScopedLock lock(loader->code_cache_mutex());
   auto in = loader->code_cache();
   for (auto const& item : *in) {
@@ -445,9 +430,8 @@ void NativeModuleLoader::CopyCodeCache(std::vector* out) {
   }
 }
 
-void NativeModuleLoader::RefreshCodeCache(
-    const std::vector& in) {
-  NativeModuleLoader* loader = GetInstance();
+void BuiltinLoader::RefreshCodeCache(const std::vector& in) {
+  BuiltinLoader* loader = GetInstance();
   Mutex::ScopedLock lock(loader->code_cache_mutex());
   auto out = loader->code_cache();
   for (auto const& item : in) {
@@ -467,7 +451,7 @@ void NativeModuleLoader::RefreshCodeCache(
   loader->has_code_cache_ = true;
 }
 
-void NativeModuleLoader::GetModuleCategories(
+void BuiltinLoader::GetBuiltinCategories(
     Local property, const PropertyCallbackInfo& info) {
   Environment* env = Environment::GetCurrent(info);
   Isolate* isolate = env->isolate();
@@ -506,48 +490,47 @@ void NativeModuleLoader::GetModuleCategories(
   info.GetReturnValue().Set(result);
 }
 
-void NativeModuleLoader::GetCacheUsage(
-    const FunctionCallbackInfo& args) {
+void BuiltinLoader::GetCacheUsage(const FunctionCallbackInfo& args) {
   Environment* env = Environment::GetCurrent(args);
   Isolate* isolate = env->isolate();
   Local context = env->context();
   Local result = Object::New(isolate);
 
-  Local native_modules_with_cache_js;
-  Local native_modules_without_cache_js;
-  Local native_modules_in_snapshot_js;
-  if (!ToV8Value(context, env->native_modules_with_cache)
-           .ToLocal(&native_modules_with_cache_js)) {
+  Local builtins_with_cache_js;
+  Local builtins_without_cache_js;
+  Local builtins_in_snapshot_js;
+  if (!ToV8Value(context, env->builtins_with_cache)
+           .ToLocal(&builtins_with_cache_js)) {
     return;
   }
   if (result
           ->Set(env->context(),
                 OneByteString(isolate, "compiledWithCache"),
-                native_modules_with_cache_js)
+                builtins_with_cache_js)
           .IsNothing()) {
     return;
   }
 
-  if (!ToV8Value(context, env->native_modules_without_cache)
-           .ToLocal(&native_modules_without_cache_js)) {
+  if (!ToV8Value(context, env->builtins_without_cache)
+           .ToLocal(&builtins_without_cache_js)) {
     return;
   }
   if (result
           ->Set(env->context(),
                 OneByteString(isolate, "compiledWithoutCache"),
-                native_modules_without_cache_js)
+                builtins_without_cache_js)
           .IsNothing()) {
     return;
   }
 
-  if (!ToV8Value(context, env->native_modules_in_snapshot)
-           .ToLocal(&native_modules_without_cache_js)) {
+  if (!ToV8Value(context, env->builtins_in_snapshot)
+           .ToLocal(&builtins_without_cache_js)) {
     return;
   }
   if (result
           ->Set(env->context(),
                 OneByteString(isolate, "compiledInSnapshot"),
-                native_modules_without_cache_js)
+                builtins_without_cache_js)
           .IsNothing()) {
     return;
   }
@@ -555,32 +538,31 @@ void NativeModuleLoader::GetCacheUsage(
   args.GetReturnValue().Set(result);
 }
 
-void NativeModuleLoader::ModuleIdsGetter(
-    Local property, const PropertyCallbackInfo& info) {
+void BuiltinLoader::BuiltinIdsGetter(Local property,
+                                     const PropertyCallbackInfo& info) {
   Isolate* isolate = info.GetIsolate();
 
-  std::vector ids = GetInstance()->GetModuleIds();
+  std::vector ids = GetInstance()->GetBuiltinIds();
   info.GetReturnValue().Set(
       ToV8Value(isolate->GetCurrentContext(), ids).ToLocalChecked());
 }
 
-void NativeModuleLoader::ConfigStringGetter(
+void BuiltinLoader::ConfigStringGetter(
     Local property, const PropertyCallbackInfo& info) {
   info.GetReturnValue().Set(GetConfigString(info.GetIsolate()));
 }
 
-void NativeModuleLoader::RecordResult(const char* id,
-                                      NativeModuleLoader::Result result,
-                                      Environment* env) {
-  if (result == NativeModuleLoader::Result::kWithCache) {
-    env->native_modules_with_cache.insert(id);
+void BuiltinLoader::RecordResult(const char* id,
+                                 BuiltinLoader::Result result,
+                                 Environment* env) {
+  if (result == BuiltinLoader::Result::kWithCache) {
+    env->builtins_with_cache.insert(id);
   } else {
-    env->native_modules_without_cache.insert(id);
+    env->builtins_without_cache.insert(id);
   }
 }
 
-void NativeModuleLoader::CompileFunction(
-    const FunctionCallbackInfo& args) {
+void BuiltinLoader::CompileFunction(const FunctionCallbackInfo& args) {
   Environment* env = Environment::GetCurrent(args);
   CHECK(args[0]->IsString());
   node::Utf8Value id_v(env->isolate(), args[0].As());
@@ -593,8 +575,7 @@ void NativeModuleLoader::CompileFunction(
   }
 }
 
-void NativeModuleLoader::HasCachedBuiltins(
-    const FunctionCallbackInfo& args) {
+void BuiltinLoader::HasCachedBuiltins(const FunctionCallbackInfo& args) {
   args.GetReturnValue().Set(
       v8::Boolean::New(args.GetIsolate(), GetInstance()->has_code_cache_));
 }
@@ -602,10 +583,10 @@ void NativeModuleLoader::HasCachedBuiltins(
 // TODO(joyeecheung): It is somewhat confusing that Class::Initialize
 // is used to initialize to the binding, but it is the current convention.
 // Rename this across the code base to something that makes more sense.
-void NativeModuleLoader::Initialize(Local target,
-                                    Local unused,
-                                    Local context,
-                                    void* priv) {
+void BuiltinLoader::Initialize(Local target,
+                               Local unused,
+                               Local context,
+                               void* priv) {
   Environment* env = Environment::GetCurrent(context);
 
   target
@@ -620,8 +601,8 @@ void NativeModuleLoader::Initialize(Local target,
       .Check();
   target
       ->SetAccessor(env->context(),
-                    FIXED_ONE_BYTE_STRING(env->isolate(), "moduleIds"),
-                    ModuleIdsGetter,
+                    FIXED_ONE_BYTE_STRING(env->isolate(), "builtinIds"),
+                    BuiltinIdsGetter,
                     nullptr,
                     MaybeLocal(),
                     DEFAULT,
@@ -631,8 +612,8 @@ void NativeModuleLoader::Initialize(Local target,
 
   target
       ->SetAccessor(env->context(),
-                    FIXED_ONE_BYTE_STRING(env->isolate(), "moduleCategories"),
-                    GetModuleCategories,
+                    FIXED_ONE_BYTE_STRING(env->isolate(), "builtinCategories"),
+                    GetBuiltinCategories,
                     nullptr,
                     Local(),
                     DEFAULT,
@@ -640,29 +621,28 @@ void NativeModuleLoader::Initialize(Local target,
                     SideEffectType::kHasNoSideEffect)
       .Check();
 
-  env->SetMethod(target, "getCacheUsage", NativeModuleLoader::GetCacheUsage);
+  env->SetMethod(target, "getCacheUsage", BuiltinLoader::GetCacheUsage);
   env->SetMethod(
-      target, "compileFunction", NativeModuleLoader::CompileFunction);
+      target, "compileFunction", BuiltinLoader::CompileFunction);
   env->SetMethod(target, "hasCachedBuiltins", HasCachedBuiltins);
-  // internalBinding('native_module') should be frozen
+  // internalBinding('builtins') should be frozen
   target->SetIntegrityLevel(context, IntegrityLevel::kFrozen).FromJust();
 }
 
-void NativeModuleLoader::RegisterExternalReferences(
+void BuiltinLoader::RegisterExternalReferences(
     ExternalReferenceRegistry* registry) {
   registry->Register(ConfigStringGetter);
-  registry->Register(ModuleIdsGetter);
-  registry->Register(GetModuleCategories);
+  registry->Register(BuiltinIdsGetter);
+  registry->Register(GetBuiltinCategories);
   registry->Register(GetCacheUsage);
   registry->Register(CompileFunction);
   registry->Register(HasCachedBuiltins);
 }
 
-}  // namespace native_module
+}  // namespace builtins
 }  // namespace node
 
-NODE_MODULE_CONTEXT_AWARE_INTERNAL(
-    native_module, node::native_module::NativeModuleLoader::Initialize)
+NODE_MODULE_CONTEXT_AWARE_INTERNAL(builtins,
+                                   node::builtins::BuiltinLoader::Initialize)
 NODE_MODULE_EXTERNAL_REFERENCE(
-    native_module,
-    node::native_module::NativeModuleLoader::RegisterExternalReferences)
+    builtins, node::builtins::BuiltinLoader::RegisterExternalReferences)
diff --git a/src/node_native_module.h b/src/node_builtins.h
similarity index 68%
rename from src/node_native_module.h
rename to src/node_builtins.h
index 5357a1272d3214..fa87a2042c043b 100644
--- a/src/node_native_module.h
+++ b/src/node_builtins.h
@@ -1,5 +1,5 @@
-#ifndef SRC_NODE_NATIVE_MODULE_H_
-#define SRC_NODE_NATIVE_MODULE_H_
+#ifndef SRC_NODE_BUILTINS_H_
+#define SRC_NODE_BUILTINS_H_
 
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
@@ -18,10 +18,10 @@ class PerProcessTest;
 namespace node {
 class SnapshotBuilder;
 class ExternalReferenceRegistry;
-namespace native_module {
+namespace builtins {
 
-using NativeModuleRecordMap = std::map;
-using NativeModuleCacheMap =
+using BuiltinSourceMap = std::map;
+using BuiltinCodeCacheMap =
     std::unordered_map>;
 
@@ -30,14 +30,12 @@ struct CodeCacheInfo {
   std::vector data;
 };
 
-// The native (C++) side of the NativeModule in JS land, which
-// handles compilation and caching of builtin modules (NativeModule)
-// and bootstrappers, whose source are bundled into the binary
-// as static data.
-class NODE_EXTERN_PRIVATE NativeModuleLoader {
+// Handles compilation and caching of built-in JavaScript modules and
+// bootstrap scripts, whose source are bundled into the binary as static data.
+class NODE_EXTERN_PRIVATE BuiltinLoader {
  public:
-  NativeModuleLoader(const NativeModuleLoader&) = delete;
-  NativeModuleLoader& operator=(const NativeModuleLoader&) = delete;
+  BuiltinLoader(const BuiltinLoader&) = delete;
+  BuiltinLoader& operator=(const BuiltinLoader&) = delete;
 
   static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
   static void Initialize(v8::Local target,
@@ -66,34 +64,34 @@ class NODE_EXTERN_PRIVATE NativeModuleLoader {
   // Only allow access from friends.
   friend class CodeCacheBuilder;
 
-  NativeModuleLoader();
-  static NativeModuleLoader* GetInstance();
+  BuiltinLoader();
+  static BuiltinLoader* GetInstance();
 
   // Generated by tools/js2c.py as node_javascript.cc
   void LoadJavaScriptSource();  // Loads data into source_
   UnionBytes GetConfig();       // Return data for config.gypi
 
-  std::vector GetModuleIds();
+  std::vector GetBuiltinIds();
 
-  struct ModuleCategories {
+  struct BuiltinCategories {
     bool is_initialized = false;
     std::set can_be_required;
     std::set cannot_be_required;
   };
-  void InitializeModuleCategories();
+  void InitializeBuiltinCategories();
   const std::set& GetCannotBeRequired();
   const std::set& GetCanBeRequired();
 
   bool CanBeRequired(const char* id);
   bool CannotBeRequired(const char* id);
 
-  NativeModuleCacheMap* code_cache();
+  BuiltinCodeCacheMap* code_cache();
   const Mutex& code_cache_mutex() const { return code_cache_mutex_; }
 
   v8::ScriptCompiler::CachedData* GetCodeCache(const char* id) const;
   enum class Result { kWithCache, kWithoutCache };
-  v8::MaybeLocal LoadBuiltinModuleSource(v8::Isolate* isolate,
-                                                     const char* id);
+  v8::MaybeLocal LoadBuiltinSource(v8::Isolate* isolate,
+                                               const char* id);
   // If an exception is encountered (e.g. source code contains
   // syntax error), the returned value is empty.
   v8::MaybeLocal LookupAndCompileInternal(
@@ -103,29 +101,29 @@ class NODE_EXTERN_PRIVATE NativeModuleLoader {
       Result* result);
 
   static void RecordResult(const char* id,
-                           NativeModuleLoader::Result result,
+                           BuiltinLoader::Result result,
                            Environment* env);
-  static void GetModuleCategories(
+  static void GetBuiltinCategories(
       v8::Local property,
       const v8::PropertyCallbackInfo& info);
   static void GetCacheUsage(const v8::FunctionCallbackInfo& args);
-  // Passing ids of builtin module source code into JS land as
-  // internalBinding('native_module').moduleIds
-  static void ModuleIdsGetter(v8::Local property,
-                              const v8::PropertyCallbackInfo& info);
-  // Passing config.gypi into JS land as internalBinding('native_module').config
+  // Passing ids of built-in source code into JS land as
+  // internalBinding('builtins').builtinIds
+  static void BuiltinIdsGetter(v8::Local property,
+                               const v8::PropertyCallbackInfo& info);
+  // Passing config.gypi into JS land as internalBinding('builtins').config
   static void ConfigStringGetter(
       v8::Local property,
       const v8::PropertyCallbackInfo& info);
-  // Compile a specific native module as a function
+  // Compile a specific built-in as a function
   static void CompileFunction(const v8::FunctionCallbackInfo& args);
   static void HasCachedBuiltins(
       const v8::FunctionCallbackInfo& args);
 
-  static NativeModuleLoader instance_;
-  ModuleCategories module_categories_;
-  NativeModuleRecordMap source_;
-  NativeModuleCacheMap code_cache_;
+  static BuiltinLoader instance_;
+  BuiltinCategories builtin_categories_;
+  BuiltinSourceMap source_;
+  BuiltinCodeCacheMap code_cache_;
   UnionBytes config_;
 
   // Used to synchronize access to the code cache map
@@ -135,10 +133,10 @@ class NODE_EXTERN_PRIVATE NativeModuleLoader {
 
   friend class ::PerProcessTest;
 };
-}  // namespace native_module
+}  // namespace builtins
 
 }  // namespace node
 
 #endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
-#endif  // SRC_NODE_NATIVE_MODULE_H_
+#endif  // SRC_NODE_BUILTINS_H_
diff --git a/src/node_config.cc b/src/node_config.cc
index 3aa6fecfb42f1d..9989ece27741e7 100644
--- a/src/node_config.cc
+++ b/src/node_config.cc
@@ -1,8 +1,8 @@
 #include "env-inl.h"
 #include "memory_tracker.h"
 #include "node.h"
+#include "node_builtins.h"
 #include "node_i18n.h"
-#include "node_native_module.h"
 #include "node_options.h"
 #include "util-inl.h"
 
diff --git a/src/node_errors.h b/src/node_errors.h
index 08dda5e08bbd4e..d2d8206d2a232a 100644
--- a/src/node_errors.h
+++ b/src/node_errors.h
@@ -167,7 +167,7 @@ ERRORS_WITH_CODE(V)
     "The V8 platform used by this instance of Node does not support "          \
     "creating Workers")                                                        \
   V(ERR_NON_CONTEXT_AWARE_DISABLED,                                            \
-    "Loading non context-aware native modules has been disabled")              \
+    "Loading non context-aware native addons has been disabled")               \
   V(ERR_SCRIPT_EXECUTION_INTERRUPTED,                                          \
     "Script execution was interrupted by `SIGINT`")                            \
   V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, "Failed to set PSK identity hint")    \
diff --git a/src/node_external_reference.h b/src/node_external_reference.h
index 58b8f4bed2fcfd..fe7931480bddf5 100644
--- a/src/node_external_reference.h
+++ b/src/node_external_reference.h
@@ -56,6 +56,7 @@ class ExternalReferenceRegistry {
   V(binding)                                                                   \
   V(blob)                                                                      \
   V(buffer)                                                                    \
+  V(builtins)                                                                  \
   V(contextify)                                                                \
   V(credentials)                                                               \
   V(env_var)                                                                   \
@@ -67,7 +68,6 @@ class ExternalReferenceRegistry {
   V(heap_utils)                                                                \
   V(messaging)                                                                 \
   V(mksnapshot)                                                                \
-  V(native_module)                                                             \
   V(options)                                                                   \
   V(os)                                                                        \
   V(performance)                                                               \
diff --git a/src/node_internals.h b/src/node_internals.h
index 3ec50cf09ba6b9..25fda172ec9dad 100644
--- a/src/node_internals.h
+++ b/src/node_internals.h
@@ -43,8 +43,8 @@ struct sockaddr;
 
 namespace node {
 
-namespace native_module {
-class NativeModuleLoader;
+namespace builtins {
+class BuiltinLoader;
 }
 
 namespace per_process {
diff --git a/src/node_main_instance.cc b/src/node_main_instance.cc
index 984ebfc0e703a5..12d51743dddaca 100644
--- a/src/node_main_instance.cc
+++ b/src/node_main_instance.cc
@@ -4,9 +4,9 @@
 #include "crypto/crypto_util.h"
 #endif  // HAVE_OPENSSL
 #include "debug_utils-inl.h"
+#include "node_builtins.h"
 #include "node_external_reference.h"
 #include "node_internals.h"
-#include "node_native_module.h"
 #include "node_options-inl.h"
 #include "node_snapshot_builder.h"
 #include "node_snapshotable.h"
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index 32e958b8fde4d2..2fc54fffac4bb0 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -6,13 +6,13 @@
 #include "debug_utils-inl.h"
 #include "env-inl.h"
 #include "node_blob.h"
+#include "node_builtins.h"
 #include "node_errors.h"
 #include "node_external_reference.h"
 #include "node_file.h"
 #include "node_internals.h"
 #include "node_main_instance.h"
 #include "node_metadata.h"
-#include "node_native_module.h"
 #include "node_process.h"
 #include "node_snapshot_builder.h"
 #include "node_v8.h"
@@ -42,14 +42,14 @@ using v8::Value;
 const uint32_t SnapshotData::kMagic;
 
 std::ostream& operator<<(std::ostream& output,
-                         const native_module::CodeCacheInfo& info) {
-  output << "\n";
   return output;
 }
 
 std::ostream& operator<<(std::ostream& output,
-                         const std::vector& vec) {
+                         const std::vector& vec) {
   output << "{\n";
   for (const auto& info : vec) {
     output << info;
@@ -91,7 +91,7 @@ class FileIO {
   template 
   std::string GetName() const {
 #define TYPE_LIST(V)                                                           \
-  V(native_module::CodeCacheInfo)                                              \
+  V(builtins::CodeCacheInfo)                                                   \
   V(PropInfo)                                                                  \
   V(std::string)
 
@@ -389,27 +389,27 @@ size_t FileWriter::Write(const v8::StartupData& data) {
   return written_total;
 }
 
-// Layout of native_module::CodeCacheInfo
+// Layout of builtins::CodeCacheInfo
 // [  4/8 bytes ]  length of the module id string
 // [    ...     ]  |length| bytes of module id
 // [  4/8 bytes ]  length of module code cache
 // [    ...     ]  |length| bytes of module code cache
 template <>
-native_module::CodeCacheInfo FileReader::Read() {
-  Debug("Read()\n");
+builtins::CodeCacheInfo FileReader::Read() {
+  Debug("Read()\n");
 
-  native_module::CodeCacheInfo result{ReadString(), ReadVector()};
+  builtins::CodeCacheInfo result{ReadString(), ReadVector()};
 
   if (is_debug) {
     std::string str = ToStr(result);
-    Debug("Read() %s\n", str.c_str());
+    Debug("Read() %s\n", str.c_str());
   }
   return result;
 }
 
 template <>
-size_t FileWriter::Write(const native_module::CodeCacheInfo& data) {
-  Debug("\nWrite() id = %s"
+size_t FileWriter::Write(const builtins::CodeCacheInfo& data) {
+  Debug("\nWrite() id = %s"
         ", size=%d\n",
         data.id.c_str(),
         data.data.size());
@@ -417,8 +417,7 @@ size_t FileWriter::Write(const native_module::CodeCacheInfo& data) {
   size_t written_total = WriteString(data.id);
   written_total += WriteVector(data.data);
 
-  Debug("Write() wrote %d bytes\n",
-        written_total);
+  Debug("Write() wrote %d bytes\n", written_total);
   return written_total;
 }
 
@@ -640,7 +639,7 @@ EnvSerializeInfo FileReader::Read() {
   per_process::Debug(DebugCategory::MKSNAPSHOT, "Read()\n");
   EnvSerializeInfo result;
   result.bindings = ReadVector();
-  result.native_modules = ReadVector();
+  result.builtins = ReadVector();
   result.async_hooks = Read();
   result.tick_info = Read();
   result.immediate_info = Read();
@@ -663,7 +662,7 @@ size_t FileWriter::Write(const EnvSerializeInfo& data) {
 
   // Use += here to ensure order of evaluation.
   size_t written_total = WriteVector(data.bindings);
-  written_total += WriteVector(data.native_modules);
+  written_total += WriteVector(data.builtins);
   written_total += Write(data.async_hooks);
   written_total += Write(data.tick_info);
   written_total += Write(data.immediate_info);
@@ -709,7 +708,7 @@ void SnapshotData::ToBlob(FILE* out) const {
   written_total += w.Write(isolate_data_info);
   written_total += w.Write(env_info);
   w.Debug("Write code_cache\n");
-  written_total += w.WriteVector(code_cache);
+  written_total += w.WriteVector(code_cache);
   w.Debug("SnapshotData::ToBlob() Wrote %d bytes\n", written_total);
 }
 
@@ -734,7 +733,7 @@ void SnapshotData::FromBlob(SnapshotData* out, FILE* in) {
   out->isolate_data_info = r.Read();
   out->env_info = r.Read();
   r.Debug("Read code_cache\n");
-  out->code_cache = r.ReadVector();
+  out->code_cache = r.ReadVector();
 
   r.Debug("SnapshotData::FromBlob() read %d bytes\n", r.read_total);
 }
@@ -778,7 +777,7 @@ static std::string FormatSize(size_t size) {
 }
 
 static void WriteStaticCodeCacheData(std::ostream* ss,
-                                     const native_module::CodeCacheInfo& info) {
+                                     const builtins::CodeCacheInfo& info) {
   *ss << "static const uint8_t " << GetCodeCacheDefName(info.id) << "[] = {\n";
   WriteVector(ss, info.data.data(), info.data.size());
   *ss << "};";
@@ -986,11 +985,10 @@ int SnapshotBuilder::Generate(SnapshotData* out,
 
 #ifdef NODE_USE_NODE_CODE_CACHE
       // Regenerate all the code cache.
-      if (!native_module::NativeModuleLoader::CompileAllBuiltins(
-              main_context)) {
+      if (!builtins::BuiltinLoader::CompileAllBuiltins(main_context)) {
         return UNCAUGHT_EXCEPTION_ERROR;
       }
-      native_module::NativeModuleLoader::CopyCodeCache(&(out->code_cache));
+      builtins::BuiltinLoader::CopyCodeCache(&(out->code_cache));
       for (const auto& item : out->code_cache) {
         std::string size_str = FormatSize(item.data.size());
         per_process::Debug(DebugCategory::MKSNAPSHOT,
diff --git a/test/addons/force-context-aware/test.js b/test/addons/force-context-aware/test.js
index cc2ed940d9223d..d4a0ab3e614204 100644
--- a/test/addons/force-context-aware/test.js
+++ b/test/addons/force-context-aware/test.js
@@ -5,4 +5,4 @@ const assert = require('assert');
 
 assert.throws(() => {
   require(`./build/${common.buildType}/binding`);
-}, /^Error: Loading non context-aware native modules has been disabled$/);
+}, /^Error: Loading non context-aware native addons has been disabled$/);
diff --git a/test/addons/symlinked-module/test.js b/test/addons/symlinked-module/test.js
index cbd01e938fe25f..d47a84b98d1ed8 100644
--- a/test/addons/symlinked-module/test.js
+++ b/test/addons/symlinked-module/test.js
@@ -4,7 +4,7 @@ const fs = require('fs');
 const path = require('path');
 const assert = require('assert');
 
-// This test verifies that symlinked native modules can be required multiple
+// This test verifies that symlinked native addons can be required multiple
 // times without error. The symlinked module and the non-symlinked module
 // should be the same instance. This expectation was not previously being
 // tested and ended up being broken by https://github.com/nodejs/node/pull/5950.
diff --git a/test/cctest/test_per_process.cc b/test/cctest/test_per_process.cc
index 43af8dd65a72d0..1e3dff7114e337 100644
--- a/test/cctest/test_per_process.cc
+++ b/test/cctest/test_per_process.cc
@@ -1,18 +1,17 @@
-#include "node_native_module.h"
+#include "node_builtins.h"
 
 #include "gtest/gtest.h"
 #include "node_test_fixture.h"
 
 #include 
 
-
-using node::native_module::NativeModuleLoader;
-using node::native_module::NativeModuleRecordMap;
+using node::builtins::BuiltinLoader;
+using node::builtins::BuiltinSourceMap;
 
 class PerProcessTest : public ::testing::Test {
  protected:
-  static const NativeModuleRecordMap get_sources_for_test() {
-    return NativeModuleLoader::instance_.source_;
+  static const BuiltinSourceMap get_sources_for_test() {
+    return BuiltinLoader::instance_.source_;
   }
 };
 
@@ -20,15 +19,13 @@ namespace {
 
 TEST_F(PerProcessTest, EmbeddedSources) {
   const auto& sources = PerProcessTest::get_sources_for_test();
-  ASSERT_TRUE(
-    std::any_of(sources.cbegin(), sources.cend(),
-                [](auto p){ return p.second.is_one_byte(); }))
-      << "NativeModuleLoader::source_ should have some 8bit items";
-
-  ASSERT_TRUE(
-    std::any_of(sources.cbegin(), sources.cend(),
-                [](auto p){ return !p.second.is_one_byte(); }))
-      << "NativeModuleLoader::source_ should have some 16bit items";
+  ASSERT_TRUE(std::any_of(sources.cbegin(), sources.cend(), [](auto p) {
+    return p.second.is_one_byte();
+  })) << "BuiltinLoader::source_ should have some 8bit items";
+
+  ASSERT_TRUE(std::any_of(sources.cbegin(), sources.cend(), [](auto p) {
+    return !p.second.is_one_byte();
+  })) << "BuiltinLoader::source_ should have some 16bit items";
 }
 
 }  // end namespace
diff --git a/test/node-api/test_general/test.js b/test/node-api/test_general/test.js
index 77550c02927fb4..f51ef2367f5b90 100644
--- a/test/node-api/test_general/test.js
+++ b/test/node-api/test_general/test.js
@@ -23,7 +23,7 @@ tmpdir.refresh();
   const urlTestFile = path.join(urlTestDir, path.basename(filename));
   fs.mkdirSync(urlTestDir, { recursive: true });
   fs.copyFileSync(filename, urlTestFile);
-  // Use a child process as indirection so that the native module is not loaded
+  // Use a child process as indirection so that the built-in modules is not loaded
   // into this process and can be removed here.
   const reportedFilename = child_process.spawnSync(
     process.execPath,
diff --git a/test/parallel/test-bootstrap-modules.js b/test/parallel/test-bootstrap-modules.js
index 63ef4336123640..69dcae2ee10852 100644
--- a/test/parallel/test-bootstrap-modules.js
+++ b/test/parallel/test-bootstrap-modules.js
@@ -12,6 +12,7 @@ const expectedModules = new Set([
   'Internal Binding async_wrap',
   'Internal Binding block_list',
   'Internal Binding buffer',
+  'Internal Binding builtins',
   'Internal Binding config',
   'Internal Binding constants',
   'Internal Binding contextify',
@@ -24,7 +25,6 @@ const expectedModules = new Set([
   'Internal Binding mksnapshot',
   'Internal Binding messaging',
   'Internal Binding module_wrap',
-  'Internal Binding native_module',
   'Internal Binding options',
   'Internal Binding performance',
   'Internal Binding pipe_wrap',
diff --git a/test/parallel/test-code-cache.js b/test/parallel/test-code-cache.js
index 44fe98238ad069..1c768d664c8a18 100644
--- a/test/parallel/test-code-cache.js
+++ b/test/parallel/test-code-cache.js
@@ -12,8 +12,8 @@ const {
 } = require('internal/test/binding');
 const {
   getCacheUsage,
-  moduleCategories: { canBeRequired }
-} = internalBinding('native_module');
+  builtinCategories: { canBeRequired }
+} = internalBinding('builtins');
 
 for (const key of canBeRequired) {
   require(`node:${key}`);
diff --git a/tools/js2c.py b/tools/js2c.py
index d93be2123e0f8c..e295949a18508d 100755
--- a/tools/js2c.py
+++ b/tools/js2c.py
@@ -48,24 +48,24 @@ def ReadFile(filename):
 
 TEMPLATE = """
 #include "env-inl.h"
-#include "node_native_module.h"
+#include "node_builtins.h"
 #include "node_internals.h"
 
 namespace node {{
 
-namespace native_module {{
+namespace builtins {{
 
 {0}
 
-void NativeModuleLoader::LoadJavaScriptSource() {{
+void BuiltinLoader::LoadJavaScriptSource() {{
   {1}
 }}
 
-UnionBytes NativeModuleLoader::GetConfig() {{
+UnionBytes BuiltinLoader::GetConfig() {{
   return UnionBytes(config_raw, {2});  // config.gypi
 }}
 
-}}  // namespace native_module
+}}  // namespace builtins
 
 }}  // namespace node
 """

From c51d85e25a067155443bc3bc646be6b4de5c79e3 Mon Sep 17 00:00:00 2001
From: Shelley Vohr 
Date: Tue, 21 Jun 2022 14:08:41 +0200
Subject: [PATCH 109/147] src: fix cppgc incompatibility in v8

This patch updates the layout of the BaseObjects to make sure
that the first embedder field of them is a "type" pointer, the
first 16 bits of which are the Node.js embedder ID, so that
cppgc will always skip over them. In addition we now use this
field to determine if the native object should be interpreted
as a Node.js embedder object in the serialization and deserialization
callbacks for the startup snapshot to improve the reliability.

Co-authored-by: Joyee Cheung 
PR-URL: https://github.com/nodejs/node/pull/43521
Reviewed-By: James M Snell 
Reviewed-By: Darshan Sen 
---
 src/base_object.h           |  6 +++--
 src/env.cc                  | 16 +++++++++++--
 src/node_blob.cc            |  4 ++--
 src/node_file.cc            |  4 ++--
 src/node_process_methods.cc |  4 ++--
 src/node_snapshotable.cc    | 46 ++++++++++++++++++++++++++++++++-----
 src/node_snapshotable.h     |  5 ----
 src/node_v8.cc              |  4 ++--
 8 files changed, 66 insertions(+), 23 deletions(-)

diff --git a/src/base_object.h b/src/base_object.h
index 842f763a56d75c..6f072bf5ec0357 100644
--- a/src/base_object.h
+++ b/src/base_object.h
@@ -38,11 +38,13 @@ namespace worker {
 class TransferData;
 }
 
+extern uint16_t kNodeEmbedderId;
+
 class BaseObject : public MemoryRetainer {
  public:
-  enum InternalFields { kSlot, kInternalFieldCount };
+  enum InternalFields { kEmbedderType, kSlot, kInternalFieldCount };
 
-  // Associates this object with `object`. It uses the 0th internal field for
+  // Associates this object with `object`. It uses the 1st internal field for
   // that, and in particular aborts if there is no such field.
   BaseObject(Environment* env, v8::Local object);
   ~BaseObject() override;
diff --git a/src/env.cc b/src/env.cc
index b8985a498cb042..99602ddcb0c3da 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -1884,6 +1884,7 @@ void Environment::EnqueueDeserializeRequest(DeserializeRequestCallback cb,
                                             Local holder,
                                             int index,
                                             InternalFieldInfo* info) {
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   DeserializeRequest request{cb, {isolate(), holder}, index, info};
   deserialize_requests_.push_back(std::move(request));
 }
@@ -2166,7 +2167,9 @@ void Environment::RunWeakRefCleanup() {
 BaseObject::BaseObject(Environment* env, Local object)
     : persistent_handle_(env->isolate(), object), env_(env) {
   CHECK_EQ(false, object.IsEmpty());
-  CHECK_GT(object->InternalFieldCount(), 0);
+  CHECK_GE(object->InternalFieldCount(), BaseObject::kInternalFieldCount);
+  object->SetAlignedPointerInInternalField(BaseObject::kEmbedderType,
+                                           &kNodeEmbedderId);
   object->SetAlignedPointerInInternalField(BaseObject::kSlot,
                                            static_cast(this));
   env->AddCleanupHook(DeleteMe, static_cast(this));
@@ -2217,10 +2220,19 @@ void BaseObject::MakeWeak() {
       WeakCallbackType::kParameter);
 }
 
+// This just has to be different from the Chromium ones:
+// https://source.chromium.org/chromium/chromium/src/+/main:gin/public/gin_embedders.h;l=18-23;drc=5a758a97032f0b656c3c36a3497560762495501a
+// Otherwise, when Node is loaded in an isolate which uses cppgc, cppgc will
+// misinterpret the data stored in the embedder fields and try to garbage
+// collect them.
+uint16_t kNodeEmbedderId = 0x90de;
+
 void BaseObject::LazilyInitializedJSTemplateConstructor(
     const FunctionCallbackInfo& args) {
   DCHECK(args.IsConstructCall());
-  DCHECK_GT(args.This()->InternalFieldCount(), 0);
+  CHECK_GE(args.This()->InternalFieldCount(), BaseObject::kInternalFieldCount);
+  args.This()->SetAlignedPointerInInternalField(BaseObject::kEmbedderType,
+                                                &kNodeEmbedderId);
   args.This()->SetAlignedPointerInInternalField(BaseObject::kSlot, nullptr);
 }
 
diff --git a/src/node_blob.cc b/src/node_blob.cc
index e1bf3be2b07b9e..6c8681d6e15a70 100644
--- a/src/node_blob.cc
+++ b/src/node_blob.cc
@@ -464,7 +464,7 @@ void BlobBindingData::Deserialize(
     Local holder,
     int index,
     InternalFieldInfo* info) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   HandleScope scope(context->GetIsolate());
   Environment* env = Environment::GetCurrent(context);
   BlobBindingData* binding =
@@ -479,7 +479,7 @@ void BlobBindingData::PrepareForSerialization(
 }
 
 InternalFieldInfo* BlobBindingData::Serialize(int index) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   InternalFieldInfo* info = InternalFieldInfo::New(type());
   return info;
 }
diff --git a/src/node_file.cc b/src/node_file.cc
index a010479cd71c56..5b9193f4fecee9 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -2401,7 +2401,7 @@ void BindingData::Deserialize(Local context,
                               Local holder,
                               int index,
                               InternalFieldInfo* info) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   HandleScope scope(context->GetIsolate());
   Environment* env = Environment::GetCurrent(context);
   BindingData* binding = env->AddBindingData(context, holder);
@@ -2418,7 +2418,7 @@ void BindingData::PrepareForSerialization(Local context,
 }
 
 InternalFieldInfo* BindingData::Serialize(int index) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   InternalFieldInfo* info = InternalFieldInfo::New(type());
   return info;
 }
diff --git a/src/node_process_methods.cc b/src/node_process_methods.cc
index 26a0633b2f0493..b0a9a6c288b631 100644
--- a/src/node_process_methods.cc
+++ b/src/node_process_methods.cc
@@ -531,7 +531,7 @@ void BindingData::PrepareForSerialization(Local context,
 }
 
 InternalFieldInfo* BindingData::Serialize(int index) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   InternalFieldInfo* info = InternalFieldInfo::New(type());
   return info;
 }
@@ -540,7 +540,7 @@ void BindingData::Deserialize(Local context,
                               Local holder,
                               int index,
                               InternalFieldInfo* info) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   v8::HandleScope scope(context->GetIsolate());
   Environment* env = Environment::GetCurrent(context);
   // Recreate the buffer in the constructor.
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index 2fc54fffac4bb0..18809918092643 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -1089,10 +1089,20 @@ void DeserializeNodeInternalFields(Local holder,
                      static_cast(index),
                      (*holder),
                      static_cast(payload.raw_size));
+
+  if (payload.raw_size == 0) {
+    holder->SetAlignedPointerInInternalField(index, nullptr);
+    return;
+  }
+
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
+
   Environment* env_ptr = static_cast(env);
   const InternalFieldInfo* info =
       reinterpret_cast(payload.data);
-
+  // TODO(joyeecheung): we can add a constant kNodeEmbedderId to the
+  // beginning of every InternalFieldInfo to ensure that we don't
+  // step on payloads that were not serialized by Node.js.
   switch (info->type) {
 #define V(PropertyName, NativeTypeName)                                        \
   case EmbedderObjectType::k_##PropertyName: {                                 \
@@ -1113,21 +1123,44 @@ void DeserializeNodeInternalFields(Local holder,
 StartupData SerializeNodeContextInternalFields(Local holder,
                                                int index,
                                                void* env) {
-  void* ptr = holder->GetAlignedPointerFromInternalField(BaseObject::kSlot);
-  if (ptr == nullptr) {
+  // We only do one serialization for the kEmbedderType slot, the result
+  // contains everything necessary for deserializing the entire object,
+  // including the fields whose index is bigger than kEmbedderType
+  // (most importantly, BaseObject::kSlot).
+  // For Node.js this design is enough for all the native binding that are
+  // serializable.
+  if (index != BaseObject::kEmbedderType) {
+    return StartupData{nullptr, 0};
+  }
+
+  void* type_ptr = holder->GetAlignedPointerFromInternalField(index);
+  if (type_ptr == nullptr) {
+    return StartupData{nullptr, 0};
+  }
+
+  uint16_t type = *(static_cast(type_ptr));
+  per_process::Debug(DebugCategory::MKSNAPSHOT, "type = 0x%x\n", type);
+  if (type != kNodeEmbedderId) {
     return StartupData{nullptr, 0};
   }
+
   per_process::Debug(DebugCategory::MKSNAPSHOT,
                      "Serialize internal field, index=%d, holder=%p\n",
                      static_cast(index),
                      *holder);
-  DCHECK(static_cast(ptr)->is_snapshotable());
-  SnapshotableObject* obj = static_cast(ptr);
+
+  void* binding_ptr =
+      holder->GetAlignedPointerFromInternalField(BaseObject::kSlot);
+  per_process::Debug(DebugCategory::MKSNAPSHOT, "binding = %p\n", binding_ptr);
+  DCHECK(static_cast(binding_ptr)->is_snapshotable());
+  SnapshotableObject* obj = static_cast(binding_ptr);
+
   per_process::Debug(DebugCategory::MKSNAPSHOT,
                      "Object %p is %s, ",
                      *holder,
                      obj->GetTypeNameChars());
   InternalFieldInfo* info = obj->Serialize(index);
+
   per_process::Debug(DebugCategory::MKSNAPSHOT,
                      "payload size=%d\n",
                      static_cast(info->length));
@@ -1142,8 +1175,9 @@ void SerializeBindingData(Environment* env,
   env->ForEachBindingData([&](FastStringKey key,
                               BaseObjectPtr binding) {
     per_process::Debug(DebugCategory::MKSNAPSHOT,
-                       "Serialize binding %i, %p, type=%s\n",
+                       "Serialize binding %i (%p), object=%p, type=%s\n",
                        static_cast(i),
+                       binding.get(),
                        *(binding->object()),
                        key.c_str());
 
diff --git a/src/node_snapshotable.h b/src/node_snapshotable.h
index f0a8bce215e027..ec560b6d4fc633 100644
--- a/src/node_snapshotable.h
+++ b/src/node_snapshotable.h
@@ -30,11 +30,6 @@ enum class EmbedderObjectType : uint8_t {
 // When serializing an embedder object, we'll serialize the native states
 // into a chunk that can be mapped into a subclass of InternalFieldInfo,
 // and pass it into the V8 callback as the payload of StartupData.
-// TODO(joyeecheung): the classification of types seem to be wrong.
-// We'd need a type for each field of each class of native object.
-// Maybe it's fine - we'll just use the type to invoke BaseObject constructors
-// and specify that the BaseObject has only one field for us to serialize.
-// And for non-BaseObject embedder objects, we'll use field-wise types.
 // The memory chunk looks like this:
 //
 // [   type   ] - EmbedderObjectType (a uint8_t)
diff --git a/src/node_v8.cc b/src/node_v8.cc
index cf7a494b7c7230..f37fb09bf9f017 100644
--- a/src/node_v8.cc
+++ b/src/node_v8.cc
@@ -124,7 +124,7 @@ void BindingData::Deserialize(Local context,
                               Local holder,
                               int index,
                               InternalFieldInfo* info) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   HandleScope scope(context->GetIsolate());
   Environment* env = Environment::GetCurrent(context);
   BindingData* binding = env->AddBindingData(context, holder);
@@ -132,7 +132,7 @@ void BindingData::Deserialize(Local context,
 }
 
 InternalFieldInfo* BindingData::Serialize(int index) {
-  DCHECK_EQ(index, BaseObject::kSlot);
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
   InternalFieldInfo* info = InternalFieldInfo::New(type());
   return info;
 }

From f5fcd49882ac458fcd811bf61d484630d86c326c Mon Sep 17 00:00:00 2001
From: Nick Sia <31839263+nicksia-vgw@users.noreply.github.com>
Date: Tue, 9 Aug 2022 17:27:18 +0800
Subject: [PATCH 110/147] http: fix error message when specifying headerTimeout
 for createServer
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This change fixes the message on the error received when calling
http.createServer(...) with a header timeout greater than the request
timeout is incorrect.

The validation requires that the header timeout is lower than the
request timeout, but the error message asks for the opposite.

PR-URL: https://github.com/nodejs/node/pull/44163
Reviewed-By: Paolo Insogna 
Reviewed-By: Matteo Collina 
Reviewed-By: Luigi Pinca 
Reviewed-By: Tobias Nießen 
Reviewed-By: Erick Wendel 
Reviewed-By: Ricky Zhou <0x19951125@gmail.com>
---
 lib/_http_server.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/_http_server.js b/lib/_http_server.js
index 40955df26c946e..d80eba745df1a8 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -425,7 +425,7 @@ function storeHTTPOptions(options) {
   }
 
   if (this.requestTimeout > 0 && this.headersTimeout > 0 && this.headersTimeout >= this.requestTimeout) {
-    throw new codes.ERR_OUT_OF_RANGE('headersTimeout', '>= requestTimeout', headersTimeout);
+    throw new codes.ERR_OUT_OF_RANGE('headersTimeout', '< requestTimeout', headersTimeout);
   }
 
   const keepAliveTimeout = options.keepAliveTimeout;

From 98fa488066b92a257d7d37f4ed24804850277594 Mon Sep 17 00:00:00 2001
From: Joyee Cheung 
Date: Wed, 10 Aug 2022 02:01:02 +0800
Subject: [PATCH 111/147] bootstrap: check more metadata when loading the
 snapshot

This patch stores the metadata about the Node.js binary
into the SnapshotData and adds fields denoting how the
snapshot was generated, on what platform it was
generated as well as the V8 cached data version flag.
Instead of simply crashing when the metadata doesn't
match, Node.js now prints an error message and exit with
1 for the customized snapshot, or ignore the snapshot
and start from scratch if it's the default one.

PR-URL: https://github.com/nodejs/node/pull/44132
Reviewed-By: Anna Henningsen 
Reviewed-By: Chengzhong Wu 
---
 doc/api/cli.md                              |   9 ++
 src/env.cc                                  |  15 +++
 src/env.h                                   |  20 ++-
 src/node.cc                                 |  14 +-
 src/node_internals.h                        |   1 +
 src/node_snapshotable.cc                    | 142 ++++++++++++++++++--
 test/parallel/test-snapshot-incompatible.js |  76 +++++++++++
 7 files changed, 260 insertions(+), 17 deletions(-)
 create mode 100644 test/parallel/test-snapshot-incompatible.js

diff --git a/doc/api/cli.md b/doc/api/cli.md
index 2ce2c530e111a2..77a5b23333c428 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -1171,6 +1171,15 @@ in the current working directory.
 When used without `--build-snapshot`, `--snapshot-blob` specifies the
 path to the blob that will be used to restore the application state.
 
+When loading a snapshot, Node.js checks that:
+
+1. The version, architecture and platform of the running Node.js binary
+   are exactly the same as that of the binary that generates the snapshot.
+2. The V8 flags and CPU features are compatible with that of the binary
+   that generates the snapshot.
+
+If they don't match, Node.js would refuse to load the snapshot and exit with 1.
+
 ### `--test`
 
 
 
 The class `Channel` represents an individual named channel within the data
-pipeline. It is use to track subscribers and to publish messages when there
+pipeline. It is used to track subscribers and to publish messages when there
 are subscribers present. It exists as a separate object to avoid channel
 lookups at publish time, enabling very fast publish speeds and allowing
 for heavy use while incurring very minimal cost. Channels are created with

From 9fedf35d5eb20e00d9a8dc65881a911bb4b2dba3 Mon Sep 17 00:00:00 2001
From: theanarkh 
Date: Thu, 11 Aug 2022 00:44:05 +0800
Subject: [PATCH 117/147] perf_hooks: fix gc elapsed time

PR-URL: https://github.com/nodejs/node/pull/44058
Refs: https://github.com/nodejs/node/issues/44046
Reviewed-By: Chengzhong Wu 
Reviewed-By: Matteo Collina 
---
 src/node_perf.cc       | 15 ++++++++++++++-
 src/node_perf_common.h |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/node_perf.cc b/src/node_perf.cc
index 1b4f6e48e1e425..a05a76b9ef9333 100644
--- a/src/node_perf.cc
+++ b/src/node_perf.cc
@@ -118,7 +118,13 @@ void MarkGarbageCollectionStart(
     GCCallbackFlags flags,
     void* data) {
   Environment* env = static_cast(data);
+  // Prevent gc callback from reentering with different type
+  // See https://github.com/nodejs/node/issues/44046
+  if (env->performance_state()->current_gc_type != 0) {
+    return;
+  }
   env->performance_state()->performance_last_gc_start_mark = PERFORMANCE_NOW();
+  env->performance_state()->current_gc_type = type;
 }
 
 MaybeLocal GCPerformanceEntryTraits::GetDetails(
@@ -155,6 +161,10 @@ void MarkGarbageCollectionEnd(
     void* data) {
   Environment* env = static_cast(data);
   PerformanceState* state = env->performance_state();
+  if (type != state->current_gc_type) {
+    return;
+  }
+  env->performance_state()->current_gc_type = 0;
   // If no one is listening to gc performance entries, do not create them.
   if (LIKELY(!state->observers[NODE_PERFORMANCE_ENTRY_TYPE_GC]))
     return;
@@ -179,6 +189,8 @@ void MarkGarbageCollectionEnd(
 
 void GarbageCollectionCleanupHook(void* data) {
   Environment* env = static_cast(data);
+  // Reset current_gc_type to 0
+  env->performance_state()->current_gc_type = 0;
   env->isolate()->RemoveGCPrologueCallback(MarkGarbageCollectionStart, data);
   env->isolate()->RemoveGCEpilogueCallback(MarkGarbageCollectionEnd, data);
 }
@@ -186,7 +198,8 @@ void GarbageCollectionCleanupHook(void* data) {
 static void InstallGarbageCollectionTracking(
     const FunctionCallbackInfo& args) {
   Environment* env = Environment::GetCurrent(args);
-
+  // Reset current_gc_type to 0
+  env->performance_state()->current_gc_type = 0;
   env->isolate()->AddGCPrologueCallback(MarkGarbageCollectionStart,
                                         static_cast(env));
   env->isolate()->AddGCEpilogueCallback(MarkGarbageCollectionEnd,
diff --git a/src/node_perf_common.h b/src/node_perf_common.h
index ed520e69153b46..f457d73c579c01 100644
--- a/src/node_perf_common.h
+++ b/src/node_perf_common.h
@@ -71,6 +71,7 @@ class PerformanceState {
   AliasedUint32Array observers;
 
   uint64_t performance_last_gc_start_mark = 0;
+  uint16_t current_gc_type = 0;
 
   void Mark(enum PerformanceMilestone milestone,
             uint64_t ts = PERFORMANCE_NOW());

From 60de663334f092c2d71b4a10aeef83df5c8536f3 Mon Sep 17 00:00:00 2001
From: Chengzhong Wu 
Date: Thu, 11 Aug 2022 00:59:52 +0800
Subject: [PATCH 118/147] doc: update tags in adding-new-napi-api.md
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The tag is now renamed as "node-api".

PR-URL: https://github.com/nodejs/node/pull/44190
Reviewed-By: Michaël Zasso 
Reviewed-By: Akhil Marsonya 
Reviewed-By: Darshan Sen 
Reviewed-By: Jiawen Geng 
Reviewed-By: Harshitha K P 
Reviewed-By: Qingyu Deng 
---
 doc/contributing/adding-new-napi-api.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/contributing/adding-new-napi-api.md b/doc/contributing/adding-new-napi-api.md
index ccfe2db3959b17..8d2233bc30f690 100644
--- a/doc/contributing/adding-new-napi-api.md
+++ b/doc/contributing/adding-new-napi-api.md
@@ -18,7 +18,7 @@ Node-API.
     ABI compatibility with other versions of Node.js.
 * New API **should** be agnostic towards the underlying JavaScript VM.
 * New API PRs **must** have a corresponding documentation update.
-* New API PRs **must** be tagged as **n-api**.
+* New API PRs **must** be tagged as **node-api**.
 * There **must** be at least one test case showing how to use the API.
 * There **should** be at least one test case per interesting use of the API.
 * There **should** be a sample provided that operates in a realistic way
@@ -38,7 +38,7 @@ Node-API.
   * Experimental status exit criteria **must** involve at least the
     following:
     * A new PR **must** be opened in `nodejs/node` to remove experimental
-      status. This PR **must** be tagged as **n-api** and **semver-minor**.
+      status. This PR **must** be tagged as **node-api** and **semver-minor**.
     * Exiting an API from experimental **must** be signed off by the team.
     * If a backport is merited, an API **must** have a down-level
       implementation.

From 2a75bcee26332c6021e4c5fec23f98ad02244ea9 Mon Sep 17 00:00:00 2001
From: theanarkh 
Date: Thu, 11 Aug 2022 17:33:14 +0800
Subject: [PATCH 119/147] net: remove unused callback

PR-URL: https://github.com/nodejs/node/pull/44204
Reviewed-By: Luigi Pinca 
Reviewed-By: Matteo Collina 
Reviewed-By: Feng Yu 
---
 lib/net.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/net.js b/lib/net.js
index 845805edb6a507..192ecc51edc165 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -1034,7 +1034,7 @@ function internalConnect(
     req.address = address;
     req.oncomplete = afterConnect;
 
-    err = self._handle.connect(req, address, afterConnect);
+    err = self._handle.connect(req, address);
   }
 
   if (err) {

From fb5884a3afeec837dd4327ee052841141bc2994d Mon Sep 17 00:00:00 2001
From: Moshe Atlow 
Date: Thu, 11 Aug 2022 16:07:52 +0300
Subject: [PATCH 120/147] assert: add assert.Snapshot

PR-URL: https://github.com/nodejs/node/pull/44095
Reviewed-By: Benjamin Gruenbaum 
---
 doc/api/assert.md                             |  28 ++++
 doc/api/cli.md                                |  10 ++
 doc/api/errors.md                             |   7 +
 lib/assert.js                                 |   3 +
 lib/internal/assert/snapshot.js               | 129 +++++++++++++++++
 lib/internal/errors.js                        |   2 +
 src/node_options.cc                           |   5 +
 src/node_options.h                            |   1 +
 test/fixtures/assert-snapshot/basic.mjs       |   3 +
 test/fixtures/assert-snapshot/multiple.mjs    |   4 +
 .../assert-snapshot/non-existing-name.mjs     |   4 +
 .../non-existing-name.snapshot                |   5 +
 test/fixtures/assert-snapshot/random.mjs      |  11 ++
 test/fixtures/assert-snapshot/random.snapshot |   5 +
 test/fixtures/assert-snapshot/serialize.mjs   |  11 ++
 .../assert-snapshot/serialize.snapshot        |  11 ++
 test/fixtures/assert-snapshot/single.mjs      |   3 +
 .../assert-snapshot/value-changed.mjs         |   3 +
 .../assert-snapshot/value-changed.snapshot    |   2 +
 test/parallel/test-assert-snapshot.mjs        | 133 ++++++++++++++++++
 20 files changed, 380 insertions(+)
 create mode 100644 lib/internal/assert/snapshot.js
 create mode 100644 test/fixtures/assert-snapshot/basic.mjs
 create mode 100644 test/fixtures/assert-snapshot/multiple.mjs
 create mode 100644 test/fixtures/assert-snapshot/non-existing-name.mjs
 create mode 100644 test/fixtures/assert-snapshot/non-existing-name.snapshot
 create mode 100644 test/fixtures/assert-snapshot/random.mjs
 create mode 100644 test/fixtures/assert-snapshot/random.snapshot
 create mode 100644 test/fixtures/assert-snapshot/serialize.mjs
 create mode 100644 test/fixtures/assert-snapshot/serialize.snapshot
 create mode 100644 test/fixtures/assert-snapshot/single.mjs
 create mode 100644 test/fixtures/assert-snapshot/value-changed.mjs
 create mode 100644 test/fixtures/assert-snapshot/value-changed.snapshot
 create mode 100644 test/parallel/test-assert-snapshot.mjs

diff --git a/doc/api/assert.md b/doc/api/assert.md
index 4958e6dd7df474..34c0e47ecf0b52 100644
--- a/doc/api/assert.md
+++ b/doc/api/assert.md
@@ -2006,6 +2006,32 @@ argument, then `error` is assumed to be omitted and the string will be used for
 example in [`assert.throws()`][] carefully if using a string as the second
 argument gets considered.
 
+## `assert.snapshot(value, name)`
+
+
+
+> Stability: 1 - Experimental
+
+* `value` {any} the value to snapshot
+* `name` {string} the name of snapshot.
+* Returns: {Promise}
+
+reads a snapshot from a file, and compares `value` to the snapshot.
+`value` is serialized with [`util.inspect()`][]
+If the value is not strictly equal to the snapshot,
+`assert.snapshot()` will return a rejected `Promise`
+with an [`AssertionError`][].
+
+If the snapshot file does not exist, the snapshot is written.
+
+In case it is needed to force a snapshot update,
+use [`--update-assert-snapshot`][];
+
+By default, a snapshot is read and written to a file,
+using the same name as the main entrypoint with `.snapshot` as the extension.
+
 ## `assert.strictEqual(actual, expected[, message])`
 
 
+
+Force updating snapshot files for [`assert.snapshot()`][]
+
 ### `--use-bundled-ca`, `--use-openssl-ca`
 
 
 
 
      Version
      
-
      8.16.0
      
+
      8.17.0
      
 
      Description
      
 
      npm is the package manager for the Node JavaScript platform.  It puts
 modules in place so that node can find them, and manages dependency
diff --git a/deps/npm/docs/output/using-npm/dependency-selectors.html b/deps/npm/docs/output/using-npm/dependency-selectors.html
index 7f691cc1df77e2..af8b766ceba2d7 100644
--- a/deps/npm/docs/output/using-npm/dependency-selectors.html
+++ b/deps/npm/docs/output/using-npm/dependency-selectors.html
@@ -282,7 +282,7 @@ 
      Programmatic Usage
      
 
      See Also
      
 
 
 
diff --git a/deps/npm/lib/commands/exec.js b/deps/npm/lib/commands/exec.js
index ddbb5f7cf9d79c..a77a6326c00f28 100644
--- a/deps/npm/lib/commands/exec.js
+++ b/deps/npm/lib/commands/exec.js
@@ -34,6 +34,7 @@ class Exec extends BaseCommand {
 
     const args = [..._args]
     const call = this.npm.config.get('call')
+    let globalPath
     const {
       flatOptions,
       localBin,
@@ -44,6 +45,12 @@ class Exec extends BaseCommand {
     const scriptShell = this.npm.config.get('script-shell') || undefined
     const packages = this.npm.config.get('package')
     const yes = this.npm.config.get('yes')
+    // --prefix sets both of these to the same thing, meaning the global prefix
+    // is invalid (i.e. no lib/node_modules).  This is not a trivial thing to
+    // untangle and fix so we work around it here.
+    if (this.npm.localPrefix !== this.npm.globalPrefix) {
+      globalPath = path.resolve(globalDir, '..')
+    }
 
     if (call && _args.length) {
       throw this.usageError()
@@ -59,7 +66,7 @@ class Exec extends BaseCommand {
       localBin,
       locationMsg,
       globalBin,
-      globalPath: path.resolve(globalDir, '..'),
+      globalPath,
       output,
       packages,
       path: localPrefix,
diff --git a/deps/npm/lib/commands/query.js b/deps/npm/lib/commands/query.js
index 371fddef9b4408..60294acaf4a68f 100644
--- a/deps/npm/lib/commands/query.js
+++ b/deps/npm/lib/commands/query.js
@@ -58,6 +58,7 @@ class Query extends BaseCommand {
     const opts = {
       ...this.npm.flatOptions,
       path: where,
+      forceActual: true,
     }
     const arb = new Arborist(opts)
     const tree = await arb.loadActual(opts)
diff --git a/deps/npm/man/man1/npm-ls.1 b/deps/npm/man/man1/npm-ls.1
index f0852befaace42..c67ea5cc40ec91 100644
--- a/deps/npm/man/man1/npm-ls.1
+++ b/deps/npm/man/man1/npm-ls.1
@@ -26,7 +26,7 @@ example, running \fBnpm ls promzard\fP in npm's source tree will show:
 .P
 .RS 2
 .nf
-npm@8\.16\.0 /path/to/npm
+npm@8\.17\.0 /path/to/npm
 └─┬ init\-package\-json@0\.0\.4
   └── promzard@0\.1\.5
 .fi
diff --git a/deps/npm/man/man1/npm.1 b/deps/npm/man/man1/npm.1
index 2d92f18f6fc8ac..04133f580704fb 100644
--- a/deps/npm/man/man1/npm.1
+++ b/deps/npm/man/man1/npm.1
@@ -4,7 +4,7 @@
 .SS Synopsis
 .SS Version
 .P
-8\.16\.0
+8\.17\.0
 .SS Description
 .P
 npm is the package manager for the Node JavaScript platform\.  It puts
diff --git a/deps/npm/man/man7/dependency-selectors.7 b/deps/npm/man/man7/dependency-selectors.7
index ae6f58bd1b30fe..e885790641d410 100644
--- a/deps/npm/man/man7/dependency-selectors.7
+++ b/deps/npm/man/man7/dependency-selectors.7
@@ -240,6 +240,6 @@ arb\.loadActual((tree) => {
 .IP \(bu 2
 npm help query
 .IP \(bu 2
-[@npmcli/arborist](https://npm\.im/@npmcli/arborist]
+@npmcli/arborist \fIhttps://npm\.im/@npmcli/arborist\fR
 
 .RE
diff --git a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js
index d4eabe8c0fdfd7..bca7cef9476ff3 100644
--- a/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js
+++ b/deps/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js
@@ -115,6 +115,7 @@ module.exports = cls => class ActualLoader extends cls {
       root = null,
       transplantFilter = () => true,
       ignoreMissing = false,
+      forceActual = false,
     } = options
     this[_filter] = filter
     this[_transplantFilter] = transplantFilter
@@ -141,26 +142,30 @@ module.exports = cls => class ActualLoader extends cls {
 
     this[_actualTree].assertRootOverrides()
 
-    // Note: hidden lockfile will be rejected if it's not the latest thing
-    // in the folder, or if any of the entries in the hidden lockfile are
-    // missing.
-    const meta = await Shrinkwrap.load({
-      path: this[_actualTree].path,
-      hiddenLockfile: true,
-      resolveOptions: this.options,
-    })
-    if (meta.loadedFromDisk) {
-      this[_actualTree].meta = meta
-      return this[_loadActualVirtually]({ root })
-    } else {
+    // if forceActual is set, don't even try the hidden lockfile
+    if (!forceActual) {
+      // Note: hidden lockfile will be rejected if it's not the latest thing
+      // in the folder, or if any of the entries in the hidden lockfile are
+      // missing.
       const meta = await Shrinkwrap.load({
         path: this[_actualTree].path,
-        lockfileVersion: this.options.lockfileVersion,
+        hiddenLockfile: true,
         resolveOptions: this.options,
       })
-      this[_actualTree].meta = meta
-      return this[_loadActualActually]({ root, ignoreMissing })
+
+      if (meta.loadedFromDisk) {
+        this[_actualTree].meta = meta
+        return this[_loadActualVirtually]({ root })
+      }
     }
+
+    const meta = await Shrinkwrap.load({
+      path: this[_actualTree].path,
+      lockfileVersion: this.options.lockfileVersion,
+      resolveOptions: this.options,
+    })
+    this[_actualTree].meta = meta
+    return this[_loadActualActually]({ root, ignoreMissing })
   }
 
   async [_loadActualVirtually] ({ root }) {
diff --git a/deps/npm/node_modules/@npmcli/arborist/package.json b/deps/npm/node_modules/@npmcli/arborist/package.json
index 7bfb90a079da44..e76a87a32e86ba 100644
--- a/deps/npm/node_modules/@npmcli/arborist/package.json
+++ b/deps/npm/node_modules/@npmcli/arborist/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/arborist",
-  "version": "5.4.0",
+  "version": "5.5.0",
   "description": "Manage node_modules trees",
   "dependencies": {
     "@isaacs/string-locale-compare": "^1.1.0",
@@ -21,7 +21,7 @@
     "minimatch": "^5.1.0",
     "mkdirp": "^1.0.4",
     "mkdirp-infer-owner": "^2.0.0",
-    "nopt": "^5.0.0",
+    "nopt": "^6.0.0",
     "npm-install-checks": "^5.0.0",
     "npm-package-arg": "^9.0.0",
     "npm-pick-manifest": "^7.0.0",
diff --git a/deps/npm/node_modules/@npmcli/config/lib/index.js b/deps/npm/node_modules/@npmcli/config/lib/index.js
index 8c2b181ca9c618..93fbcad72bc79b 100644
--- a/deps/npm/node_modules/@npmcli/config/lib/index.js
+++ b/deps/npm/node_modules/@npmcli/config/lib/index.js
@@ -296,6 +296,7 @@ class Config {
     // might be a security hazard, which was the intention.
     try {
       this.setCredentialsByURI(reg, creds)
+    // eslint-disable-next-line no-empty
     } catch (_) {}
     process.emit('timeEnd', 'config:load:credentials')
 
@@ -366,9 +367,11 @@ class Config {
       if (!/^npm_config_/i.test(envKey) || envVal === '') {
         continue
       }
-      const key = envKey.slice('npm_config_'.length)
-        .replace(/(?!^)_/g, '-') // don't replace _ at the start of the key
-        .toLowerCase()
+      let key = envKey.slice('npm_config_'.length)
+      if (!key.startsWith('//')) { // don't normalize nerf-darted keys
+        key = key.replace(/(?!^)_/g, '-') // don't replace _ at the start of the key
+          .toLowerCase()
+      }
       conf[key] = envVal
     }
     this[_loadObject](conf, 'env', 'environment')
@@ -654,6 +657,7 @@ class Config {
       // saved back to the .npmrc file, so we're good.
       try {
         this.setCredentialsByURI(reg, creds)
+      // eslint-disable-next-line no-empty
       } catch (_) {}
     }
 
@@ -691,8 +695,6 @@ class Config {
       this.delete(`_password`, 'user')
       this.delete(`username`, 'user')
     }
-    this.delete(`${nerfed}:-authtoken`, 'user')
-    this.delete(`${nerfed}:_authtoken`, 'user')
     this.delete(`${nerfed}:_authToken`, 'user')
     this.delete(`${nerfed}:_auth`, 'user')
     this.delete(`${nerfed}:_password`, 'user')
@@ -732,8 +734,6 @@ class Config {
     // send auth if we have it, only to the URIs under the nerf dart.
     this.delete(`${nerfed}:always-auth`, 'user')
 
-    this.delete(`${nerfed}:-authtoken`, 'user')
-    this.delete(`${nerfed}:_authtoken`, 'user')
     this.delete(`${nerfed}:email`, 'user')
     if (certfile && keyfile) {
       this.set(`${nerfed}:certfile`, certfile, 'user')
@@ -781,8 +781,6 @@ class Config {
     }
 
     const tokenReg = this.get(`${nerfed}:_authToken`) ||
-      this.get(`${nerfed}:_authtoken`) ||
-      this.get(`${nerfed}:-authtoken`) ||
       nerfed === nerfDart(this.get('registry')) && this.get('_authToken')
 
     if (tokenReg) {
diff --git a/deps/npm/node_modules/@npmcli/config/package.json b/deps/npm/node_modules/@npmcli/config/package.json
index 2f561c12233dc3..275044e4ae48ef 100644
--- a/deps/npm/node_modules/@npmcli/config/package.json
+++ b/deps/npm/node_modules/@npmcli/config/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/config",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "files": [
     "bin/",
     "lib/"
@@ -38,7 +38,7 @@
     "@npmcli/map-workspaces": "^2.0.2",
     "ini": "^3.0.0",
     "mkdirp-infer-owner": "^2.0.0",
-    "nopt": "^5.0.0",
+    "nopt": "^6.0.0",
     "proc-log": "^2.0.0",
     "read-package-json-fast": "^2.0.3",
     "semver": "^7.3.5",
diff --git a/deps/npm/node_modules/@npmcli/map-workspaces/lib/index.js b/deps/npm/node_modules/@npmcli/map-workspaces/lib/index.js
index 3ac545e9c15c4e..f93bc2911e89fd 100644
--- a/deps/npm/node_modules/@npmcli/map-workspaces/lib/index.js
+++ b/deps/npm/node_modules/@npmcli/map-workspaces/lib/index.js
@@ -12,7 +12,7 @@ function appendNegatedPatterns (patterns) {
   for (let pattern of patterns) {
     const excl = pattern.match(/^!+/)
     if (excl) {
-      pattern = pattern.substr(excl[0].length)
+      pattern = pattern.slice(excl[0].length)
     }
 
     // strip off any / from the start of the pattern.  /foo => foo
diff --git a/deps/npm/node_modules/@npmcli/map-workspaces/package.json b/deps/npm/node_modules/@npmcli/map-workspaces/package.json
index 3025081e5529b2..a71a1d2805efae 100644
--- a/deps/npm/node_modules/@npmcli/map-workspaces/package.json
+++ b/deps/npm/node_modules/@npmcli/map-workspaces/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/map-workspaces",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "main": "lib/index.js",
   "files": [
     "bin/",
@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@npmcli/eslint-config": "^3.0.1",
-    "@npmcli/template-oss": "3.4.1",
+    "@npmcli/template-oss": "3.5.0",
     "tap": "^16.0.1"
   },
   "dependencies": {
@@ -53,6 +53,6 @@
   },
   "templateOSS": {
     "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
-    "version": "3.4.1"
+    "version": "3.5.0"
   }
 }
diff --git a/deps/npm/node_modules/@npmcli/run-script/lib/escape.js b/deps/npm/node_modules/@npmcli/run-script/lib/escape.js
index 303100d337eb7f..9aca8bde70a6e9 100644
--- a/deps/npm/node_modules/@npmcli/run-script/lib/escape.js
+++ b/deps/npm/node_modules/@npmcli/run-script/lib/escape.js
@@ -36,14 +36,11 @@ const cmd = (input, doubleEscape) => {
   }
 
   // and finally, prefix shell meta chars with a ^
-  result = result.replace(/[ !^&()<>|"]/g, '^$&')
+  result = result.replace(/[ !%^&()<>|"]/g, '^$&')
   if (doubleEscape) {
-    result = result.replace(/[ !^&()<>|"]/g, '^$&')
+    result = result.replace(/[ !%^&()<>|"]/g, '^$&')
   }
 
-  // except for % which is escaped with another %, and only once
-  result = result.replace(/%/g, '%%')
-
   return result
 }
 
@@ -65,13 +62,7 @@ const sh = (input) => {
   return result
 }
 
-// disabling the no-control-regex rule for this line as we very specifically _do_ want to
-// replace those characters if they somehow exist at this point, which is highly unlikely
-// eslint-disable-next-line no-control-regex
-const filename = (input) => input.replace(/[<>:"/\\|?*\x00-\x1F]/g, '')
-
 module.exports = {
   cmd,
   sh,
-  filename,
 }
diff --git a/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js b/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js
index 7725fd976c893d..5b06db3c16eac5 100644
--- a/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js
+++ b/deps/npm/node_modules/@npmcli/run-script/lib/make-spawn-args.js
@@ -1,19 +1,10 @@
 /* eslint camelcase: "off" */
 const isWindows = require('./is-windows.js')
 const setPATH = require('./set-path.js')
-const { unlinkSync: unlink, writeFileSync: writeFile } = require('fs')
-const { tmpdir } = require('os')
 const { resolve } = require('path')
 const which = require('which')
 const npm_config_node_gyp = require.resolve('node-gyp/bin/node-gyp.js')
 const escape = require('./escape.js')
-const { randomBytes } = require('crypto')
-
-const translateWinPathToPosix = (path) => {
-  return path
-    .replace(/^([A-z]):/, '/$1')
-    .replace(/\\/g, '/')
-}
 
 const makeSpawnArgs = options => {
   const {
@@ -38,10 +29,7 @@ const makeSpawnArgs = options => {
     npm_config_node_gyp,
   })
 
-  const fileName = escape.filename(`${event}-${randomBytes(4).toString('hex')}`)
-  let scriptFile
-  let script = ''
-
+  let doubleEscape = false
   const isCmd = /(?:^|\\)cmd(?:\.exe)?$/i.test(scriptShell)
   if (isCmd) {
     let initialCmd = ''
@@ -68,26 +56,18 @@ const makeSpawnArgs = options => {
       pathToInitial = initialCmd.toLowerCase()
     }
 
-    const doubleEscape = pathToInitial.endsWith('.cmd') || pathToInitial.endsWith('.bat')
-
-    scriptFile = resolve(tmpdir(), `${fileName}.cmd`)
-    script += '@echo off\n'
-    script += cmd
-    if (args.length) {
-      script += ` ${args.map((arg) => escape.cmd(arg, doubleEscape)).join(' ')}`
-    }
-  } else {
-    scriptFile = resolve(tmpdir(), `${fileName}.sh`)
-    script = cmd
-    if (args.length) {
-      script += ` ${args.map((arg) => escape.sh(arg)).join(' ')}`
-    }
+    doubleEscape = pathToInitial.endsWith('.cmd') || pathToInitial.endsWith('.bat')
   }
 
-  writeFile(scriptFile, script)
+  let script = cmd
+  for (const arg of args) {
+    script += isCmd
+      ? ` ${escape.cmd(arg, doubleEscape)}`
+      : ` ${escape.sh(arg)}`
+  }
   const spawnArgs = isCmd
-    ? ['/d', '/s', '/c', escape.cmd(scriptFile)]
-    : [isWindows ? translateWinPathToPosix(scriptFile) : scriptFile]
+    ? ['/d', '/s', '/c', script]
+    : ['-c', '--', script]
 
   const spawnOpts = {
     env: spawnEnv,
@@ -97,16 +77,7 @@ const makeSpawnArgs = options => {
     ...(isCmd ? { windowsVerbatimArguments: true } : {}),
   }
 
-  const cleanup = () => {
-    // delete the script, this is just a best effort
-    try {
-      unlink(scriptFile)
-    } catch (err) {
-      // ignore errors
-    }
-  }
-
-  return [scriptShell, spawnArgs, spawnOpts, cleanup]
+  return [scriptShell, spawnArgs, spawnOpts]
 }
 
 module.exports = makeSpawnArgs
diff --git a/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js b/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js
index ec6ef31e50ab0e..c10d20bb734806 100644
--- a/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js
+++ b/deps/npm/node_modules/@npmcli/run-script/lib/run-script-pkg.js
@@ -6,8 +6,17 @@ const signalManager = require('./signal-manager.js')
 const isServerPackage = require('./is-server-package.js')
 
 // you wouldn't like me when I'm angry...
-const bruce = (id, event, cmd) =>
-  `\n> ${id ? id + ' ' : ''}${event}\n> ${cmd.trim().replace(/\n/g, '\n> ')}\n`
+const bruce = (id, event, cmd, args) => {
+  let banner = id
+    ? `\n> ${id} ${event}\n`
+    : `\n> ${event}\n`
+  banner += `> ${cmd.trim().replace(/\n/g, '\n> ')}`
+  if (args.length) {
+    banner += ` ${args.join(' ')}`
+  }
+  banner += '\n'
+  return banner
+}
 
 const runScriptPkg = async options => {
   const {
@@ -52,10 +61,10 @@ const runScriptPkg = async options => {
 
   if (stdio === 'inherit' && banner !== false) {
     // we're dumping to the parent's stdout, so print the banner
-    console.log(bruce(pkg._id, event, cmd))
+    console.log(bruce(pkg._id, event, cmd, args))
   }
 
-  const [spawnShell, spawnArgs, spawnOpts, cleanup] = makeSpawnArgs({
+  const [spawnShell, spawnArgs, spawnOpts] = makeSpawnArgs({
     event,
     path,
     scriptShell,
@@ -93,7 +102,7 @@ const runScriptPkg = async options => {
     } else {
       throw er
     }
-  }).finally(cleanup)
+  })
 }
 
 module.exports = runScriptPkg
diff --git a/deps/npm/node_modules/@npmcli/run-script/package.json b/deps/npm/node_modules/@npmcli/run-script/package.json
index a6629826d29c2c..551dc610f49147 100644
--- a/deps/npm/node_modules/@npmcli/run-script/package.json
+++ b/deps/npm/node_modules/@npmcli/run-script/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@npmcli/run-script",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "Run a lifecycle script for a package (descendant of npm-lifecycle)",
   "author": "GitHub Inc.",
   "license": "ISC",
diff --git a/deps/npm/node_modules/are-we-there-yet/lib/tracker-group.js b/deps/npm/node_modules/are-we-there-yet/lib/tracker-group.js
index 9da13f8a7e116a..a3c7af804c4d3b 100644
--- a/deps/npm/node_modules/are-we-there-yet/lib/tracker-group.js
+++ b/deps/npm/node_modules/are-we-there-yet/lib/tracker-group.js
@@ -103,7 +103,7 @@ TrackerGroup.prototype.finish = function () {
 var buffer = '                                  '
 TrackerGroup.prototype.debug = function (depth) {
   depth = depth || 0
-  var indent = depth ? buffer.substr(0, depth) : ''
+  var indent = depth ? buffer.slice(0, depth) : ''
   var output = indent + (this.name || 'top') + ': ' + this.completed() + '\n'
   this.trackers.forEach(function (tracker) {
     if (tracker instanceof TrackerGroup) {
diff --git a/deps/npm/node_modules/are-we-there-yet/package.json b/deps/npm/node_modules/are-we-there-yet/package.json
index 67c01e9cbc8e4f..cc3d7504299fa2 100644
--- a/deps/npm/node_modules/are-we-there-yet/package.json
+++ b/deps/npm/node_modules/are-we-there-yet/package.json
@@ -1,12 +1,12 @@
 {
   "name": "are-we-there-yet",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "Keep track of the overall completion of many disparate processes",
   "main": "lib/index.js",
   "scripts": {
     "test": "tap",
     "npmclilint": "npmcli-lint",
-    "lint": "eslint '**/*.js'",
+    "lint": "eslint \"**/*.js\"",
     "lintfix": "npm run lint -- --fix",
     "posttest": "npm run lint",
     "postsnap": "npm run lintfix --",
@@ -14,8 +14,8 @@
     "postversion": "npm publish",
     "prepublishOnly": "git push origin --follow-tags",
     "snap": "tap",
-    "postlint": "npm-template-check",
-    "template-copy": "npm-template-copy --force"
+    "postlint": "template-oss-check",
+    "template-oss-apply": "template-oss-apply --force"
   },
   "repository": {
     "type": "git",
@@ -28,22 +28,20 @@
   },
   "homepage": "https://github.com/npm/are-we-there-yet",
   "devDependencies": {
-    "@npmcli/eslint-config": "^2.0.0",
-    "@npmcli/template-oss": "^2.7.1",
-    "eslint": "^8.8.0",
-    "eslint-plugin-node": "^11.1.0",
-    "tap": "^15.0.9"
+    "@npmcli/eslint-config": "^3.0.1",
+    "@npmcli/template-oss": "3.5.0",
+    "tap": "^16.0.1"
   },
   "dependencies": {
     "delegates": "^1.0.0",
     "readable-stream": "^3.6.0"
   },
   "files": [
-    "bin",
-    "lib"
+    "bin/",
+    "lib/"
   ],
   "engines": {
-    "node": "^12.13.0 || ^14.15.0 || >=16"
+    "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
   },
   "tap": {
     "branches": 68,
@@ -52,6 +50,7 @@
     "lines": 92
   },
   "templateOSS": {
-    "version": "2.7.1"
+    "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
+    "version": "3.5.0"
   }
 }
diff --git a/deps/npm/node_modules/ip/lib/ip.js b/deps/npm/node_modules/ip/lib/ip.js
index 5b5ccc246a4ab6..4b2adb5addd96b 100644
--- a/deps/npm/node_modules/ip/lib/ip.js
+++ b/deps/npm/node_modules/ip/lib/ip.js
@@ -1,24 +1,24 @@
-var ip = exports;
-var { Buffer } = require('buffer');
-var os = require('os');
+const ip = exports;
+const { Buffer } = require('buffer');
+const os = require('os');
 
 ip.toBuffer = function (ip, buff, offset) {
   offset = ~~offset;
 
-  var result;
+  let result;
 
   if (this.isV4Format(ip)) {
-    result = buff || new Buffer(offset + 4);
+    result = buff || Buffer.alloc(offset + 4);
     ip.split(/\./g).map((byte) => {
       result[offset++] = parseInt(byte, 10) & 0xff;
     });
   } else if (this.isV6Format(ip)) {
-    var sections = ip.split(':', 8);
+    const sections = ip.split(':', 8);
 
-    var i;
+    let i;
     for (i = 0; i < sections.length; i++) {
-      var isv4 = this.isV4Format(sections[i]);
-      var v4Buffer;
+      const isv4 = this.isV4Format(sections[i]);
+      let v4Buffer;
 
       if (isv4) {
         v4Buffer = this.toBuffer(sections[i]);
@@ -36,16 +36,16 @@ ip.toBuffer = function (ip, buff, offset) {
       while (sections.length < 8) sections.push('0');
     } else if (sections.length < 8) {
       for (i = 0; i < sections.length && sections[i] !== ''; i++);
-      var argv = [i, 1];
+      const argv = [i, 1];
       for (i = 9 - sections.length; i > 0; i--) {
         argv.push('0');
       }
-      sections.splice.apply(sections, argv);
+      sections.splice(...argv);
     }
 
-    result = buff || new Buffer(offset + 16);
+    result = buff || Buffer.alloc(offset + 16);
     for (i = 0; i < sections.length; i++) {
-      var word = parseInt(sections[i], 16);
+      const word = parseInt(sections[i], 16);
       result[offset++] = (word >> 8) & 0xff;
       result[offset++] = word & 0xff;
     }
@@ -62,17 +62,16 @@ ip.toString = function (buff, offset, length) {
   offset = ~~offset;
   length = length || (buff.length - offset);
 
-  var result = [];
-  var i;
+  let result = [];
   if (length === 4) {
     // IPv4
-    for (i = 0; i < length; i++) {
+    for (let i = 0; i < length; i++) {
       result.push(buff[offset + i]);
     }
     result = result.join('.');
   } else if (length === 16) {
     // IPv6
-    for (i = 0; i < length; i += 2) {
+    for (let i = 0; i < length; i += 2) {
       result.push(buff.readUInt16BE(offset + i).toString(16));
     }
     result = result.join(':');
@@ -83,8 +82,8 @@ ip.toString = function (buff, offset, length) {
   return result;
 };
 
-var ipv4Regex = /^(\d{1,3}\.){3,3}\d{1,3}$/;
-var ipv6Regex = /^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;
+const ipv4Regex = /^(\d{1,3}\.){3,3}\d{1,3}$/;
+const ipv6Regex = /^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;
 
 ip.isV4Format = function (ip) {
   return ipv4Regex.test(ip);
@@ -111,14 +110,14 @@ ip.fromPrefixLen = function (prefixlen, family) {
     family = _normalizeFamily(family);
   }
 
-  var len = 4;
+  let len = 4;
   if (family === 'ipv6') {
     len = 16;
   }
-  var buff = new Buffer(len);
+  const buff = Buffer.alloc(len);
 
-  for (var i = 0, n = buff.length; i < n; ++i) {
-    var bits = 8;
+  for (let i = 0, n = buff.length; i < n; ++i) {
+    let bits = 8;
     if (prefixlen < 8) {
       bits = prefixlen;
     }
@@ -134,10 +133,10 @@ ip.mask = function (addr, mask) {
   addr = ip.toBuffer(addr);
   mask = ip.toBuffer(mask);
 
-  var result = new Buffer(Math.max(addr.length, mask.length));
+  const result = Buffer.alloc(Math.max(addr.length, mask.length));
 
   // Same protocol - do bitwise and
-  var i;
+  let i;
   if (addr.length === mask.length) {
     for (i = 0; i < addr.length; i++) {
       result[i] = addr[i] & mask[i];
@@ -170,30 +169,30 @@ ip.mask = function (addr, mask) {
 };
 
 ip.cidr = function (cidrString) {
-  var cidrParts = cidrString.split('/');
+  const cidrParts = cidrString.split('/');
 
-  var addr = cidrParts[0];
+  const addr = cidrParts[0];
   if (cidrParts.length !== 2) {
     throw new Error(`invalid CIDR subnet: ${addr}`);
   }
 
-  var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
+  const mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
 
   return ip.mask(addr, mask);
 };
 
 ip.subnet = function (addr, mask) {
-  var networkAddress = ip.toLong(ip.mask(addr, mask));
+  const networkAddress = ip.toLong(ip.mask(addr, mask));
 
   // Calculate the mask's length.
-  var maskBuffer = ip.toBuffer(mask);
-  var maskLength = 0;
+  const maskBuffer = ip.toBuffer(mask);
+  let maskLength = 0;
 
-  for (var i = 0; i < maskBuffer.length; i++) {
+  for (let i = 0; i < maskBuffer.length; i++) {
     if (maskBuffer[i] === 0xff) {
       maskLength += 8;
     } else {
-      var octet = maskBuffer[i] & 0xff;
+      let octet = maskBuffer[i] & 0xff;
       while (octet) {
         octet = (octet << 1) & 0xff;
         maskLength++;
@@ -201,7 +200,7 @@ ip.subnet = function (addr, mask) {
     }
   }
 
-  var numberOfAddresses = Math.pow(2, 32 - maskLength);
+  const numberOfAddresses = 2 ** (32 - maskLength);
 
   return {
     networkAddress: ip.fromLong(networkAddress),
@@ -224,50 +223,48 @@ ip.subnet = function (addr, mask) {
 };
 
 ip.cidrSubnet = function (cidrString) {
-  var cidrParts = cidrString.split('/');
+  const cidrParts = cidrString.split('/');
 
-  var addr = cidrParts[0];
+  const addr = cidrParts[0];
   if (cidrParts.length !== 2) {
     throw new Error(`invalid CIDR subnet: ${addr}`);
   }
 
-  var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
+  const mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
 
   return ip.subnet(addr, mask);
 };
 
 ip.not = function (addr) {
-  var buff = ip.toBuffer(addr);
-  for (var i = 0; i < buff.length; i++) {
+  const buff = ip.toBuffer(addr);
+  for (let i = 0; i < buff.length; i++) {
     buff[i] = 0xff ^ buff[i];
   }
   return ip.toString(buff);
 };
 
 ip.or = function (a, b) {
-  var i;
-
   a = ip.toBuffer(a);
   b = ip.toBuffer(b);
 
   // same protocol
   if (a.length === b.length) {
-    for (i = 0; i < a.length; ++i) {
+    for (let i = 0; i < a.length; ++i) {
       a[i] |= b[i];
     }
     return ip.toString(a);
 
   // mixed protocols
   }
-  var buff = a;
-  var other = b;
+  let buff = a;
+  let other = b;
   if (b.length > a.length) {
     buff = b;
     other = a;
   }
 
-  var offset = buff.length - other.length;
-  for (i = offset; i < buff.length; ++i) {
+  const offset = buff.length - other.length;
+  for (let i = offset; i < buff.length; ++i) {
     buff[i] |= other[i - offset];
   }
 
@@ -275,14 +272,12 @@ ip.or = function (a, b) {
 };
 
 ip.isEqual = function (a, b) {
-  var i;
-
   a = ip.toBuffer(a);
   b = ip.toBuffer(b);
 
   // Same protocol
   if (a.length === b.length) {
-    for (i = 0; i < a.length; i++) {
+    for (let i = 0; i < a.length; i++) {
       if (a[i] !== b[i]) return false;
     }
     return true;
@@ -290,20 +285,20 @@ ip.isEqual = function (a, b) {
 
   // Swap
   if (b.length === 4) {
-    var t = b;
+    const t = b;
     b = a;
     a = t;
   }
 
   // a - IPv4, b - IPv6
-  for (i = 0; i < 10; i++) {
+  for (let i = 0; i < 10; i++) {
     if (b[i] !== 0) return false;
   }
 
-  var word = b.readUInt16BE(10);
+  const word = b.readUInt16BE(10);
   if (word !== 0 && word !== 0xffff) return false;
 
-  for (i = 0; i < 4; i++) {
+  for (let i = 0; i < 4; i++) {
     if (a[i] !== b[i + 12]) return false;
   }
 
@@ -365,7 +360,7 @@ ip.loopback = function (family) {
 //   * undefined: First address with `ipv4` or loopback address `127.0.0.1`.
 //
 ip.address = function (name, family) {
-  var interfaces = os.networkInterfaces();
+  const interfaces = os.networkInterfaces();
 
   //
   // Default to `ipv4`
@@ -377,8 +372,8 @@ ip.address = function (name, family) {
   // return the address.
   //
   if (name && name !== 'private' && name !== 'public') {
-    var res = interfaces[name].filter((details) => {
-      var itemFamily = _normalizeFamily(details.family);
+    const res = interfaces[name].filter((details) => {
+      const itemFamily = _normalizeFamily(details.family);
       return itemFamily === family;
     });
     if (res.length === 0) {
@@ -387,12 +382,12 @@ ip.address = function (name, family) {
     return res[0].address;
   }
 
-  var all = Object.keys(interfaces).map((nic) => {
+  const all = Object.keys(interfaces).map((nic) => {
     //
     // Note: name will only be `public` or `private`
     // when this is called.
     //
-    var addresses = interfaces[nic].filter((details) => {
+    const addresses = interfaces[nic].filter((details) => {
       details.family = _normalizeFamily(details.family);
       if (details.family !== family || ip.isLoopback(details.address)) {
         return false;
@@ -411,7 +406,7 @@ ip.address = function (name, family) {
 };
 
 ip.toLong = function (ip) {
-  var ipl = 0;
+  let ipl = 0;
   ip.split('.').forEach((octet) => {
     ipl <<= 8;
     ipl += parseInt(octet);
diff --git a/deps/npm/node_modules/ip/package.json b/deps/npm/node_modules/ip/package.json
index 70e1a4f02aeb7f..f0d95e9b789a6d 100644
--- a/deps/npm/node_modules/ip/package.json
+++ b/deps/npm/node_modules/ip/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ip",
-  "version": "1.1.8",
+  "version": "2.0.0",
   "author": "Fedor Indutny ",
   "homepage": "https://github.com/indutny/node-ip",
   "repository": {
diff --git a/deps/npm/node_modules/is-core-module/core.json b/deps/npm/node_modules/is-core-module/core.json
index 058584b78998a0..b1d7e46606b77e 100644
--- a/deps/npm/node_modules/is-core-module/core.json
+++ b/deps/npm/node_modules/is-core-module/core.json
@@ -112,7 +112,7 @@
 	"node:string_decoder": [">= 14.18 && < 15", ">= 16"],
 	"sys": [">= 0.4 && < 0.7", ">= 0.8"],
 	"node:sys": [">= 14.18 && < 15", ">= 16"],
-	"node:test": ">= 18",
+	"node:test": [">= 16.17 && < 17", ">= 18"],
 	"timers": true,
 	"node:timers": [">= 14.18 && < 15", ">= 16"],
 	"timers/promises": ">= 15",
diff --git a/deps/npm/node_modules/is-core-module/package.json b/deps/npm/node_modules/is-core-module/package.json
index 80ce9f5bb1797c..c2830d63202a9e 100644
--- a/deps/npm/node_modules/is-core-module/package.json
+++ b/deps/npm/node_modules/is-core-module/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "is-core-module",
-	"version": "2.9.0",
+	"version": "2.10.0",
 	"description": "Is this specifier a node.js core module?",
 	"main": "index.js",
 	"sideEffects": false,
diff --git a/deps/npm/node_modules/is-core-module/test/index.js b/deps/npm/node_modules/is-core-module/test/index.js
index 4385b20ea14891..912808b9d0000f 100644
--- a/deps/npm/node_modules/is-core-module/test/index.js
+++ b/deps/npm/node_modules/is-core-module/test/index.js
@@ -44,7 +44,7 @@ test('core modules', function (t) {
 	t.test('core via repl module', { skip: !data.repl }, function (st) {
 		var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
 		if (!libs) {
-			st.skip('module.builtinModules does not exist');
+			st.skip('repl._builtinLibs does not exist');
 		} else {
 			for (var i = 0; i < libs.length; ++i) {
 				var mod = libs[i];
diff --git a/deps/npm/node_modules/just-diff-apply/package.json b/deps/npm/node_modules/just-diff-apply/package.json
index b2f80b73a19c6f..5317303a8bd1b6 100644
--- a/deps/npm/node_modules/just-diff-apply/package.json
+++ b/deps/npm/node_modules/just-diff-apply/package.json
@@ -1,14 +1,16 @@
 {
   "name": "just-diff-apply",
-  "version": "5.3.1",
+  "version": "5.4.1",
   "description": "Apply a diff to an object. Optionally supports jsonPatch protocol",
   "main": "index.js",
   "module": "index.mjs",
   "exports": {
     ".": {
       "require": "./index.js",
+      "types": "./index.d.ts",
       "default": "./index.mjs"
-    }
+    },
+    "./package.json": "./package.json"
   },
   "types": "index.d.ts",
   "scripts": {
@@ -29,4 +31,4 @@
   "bugs": {
     "url": "https://github.com/angus-c/just/issues"
   }
-}
+}
\ No newline at end of file
diff --git a/deps/npm/node_modules/just-diff/package.json b/deps/npm/node_modules/just-diff/package.json
index 9c6a8bbe2f94b3..035daf034fcc9e 100644
--- a/deps/npm/node_modules/just-diff/package.json
+++ b/deps/npm/node_modules/just-diff/package.json
@@ -1,14 +1,16 @@
 {
   "name": "just-diff",
-  "version": "5.0.3",
+  "version": "5.1.1",
   "description": "Return an object representing the diffs between two objects. Supports jsonPatch protocol",
   "main": "index.js",
   "module": "index.mjs",
   "exports": {
     ".": {
       "require": "./index.js",
+      "types": "./index.d.ts",
       "default": "./index.mjs"
-    }
+    },
+    "./package.json": "./package.json"
   },
   "types": "index.d.ts",
   "scripts": {
@@ -28,4 +30,4 @@
   "bugs": {
     "url": "https://github.com/angus-c/just/issues"
   }
-}
+}
\ No newline at end of file
diff --git a/deps/npm/node_modules/libnpmexec/lib/index.js b/deps/npm/node_modules/libnpmexec/lib/index.js
index fcc596d3137784..15d5ba4eeca177 100644
--- a/deps/npm/node_modules/libnpmexec/lib/index.js
+++ b/deps/npm/node_modules/libnpmexec/lib/index.js
@@ -28,7 +28,7 @@ const binPaths = []
 const manifests = new Map()
 
 const getManifest = async (spec, flatOptions) => {
-  if (!manifests.get(spec.raw)) {
+  if (!manifests.has(spec.raw)) {
     const manifest = await pacote.manifest(spec, { ...flatOptions, preferOnline: true })
     manifests.set(spec.raw, manifest)
   }
@@ -36,6 +36,7 @@ const getManifest = async (spec, flatOptions) => {
 }
 
 // Returns the required manifest if the spec is missing from the tree
+// Returns the found node if it is in the tree
 const missingFromTree = async ({ spec, tree, flatOptions }) => {
   if (spec.registry && (spec.rawSpec === '' || spec.type !== 'tag')) {
     // registry spec that is not a specific tag.
@@ -43,20 +44,21 @@ const missingFromTree = async ({ spec, tree, flatOptions }) => {
     for (const node of nodesBySpec) {
       if (spec.type === 'tag') {
         // package requested by name only
-        return
+        return { node }
       } else if (spec.type === 'version') {
         // package requested by specific version
         if (node.pkgid === spec.raw) {
-          return
+          return { node }
         }
       } else {
         // package requested by version range, only remaining registry type
         if (semver.satisfies(node.package.version, spec.rawSpec)) {
-          return
+          return { node }
         }
       }
     }
-    return await getManifest(spec, flatOptions)
+    const manifest = await getManifest(spec, flatOptions)
+    return { manifest }
   } else {
     // non-registry spec, or a specific tag.  Look up manifest and check
     // resolved to see if it's in the tree.
@@ -65,10 +67,10 @@ const missingFromTree = async ({ spec, tree, flatOptions }) => {
     for (const node of nodesByManifest) {
       if (node.package.resolved === manifest._resolved) {
         // we have a package by the same name and the same resolved destination, nothing to add.
-        return
+        return { node }
       }
     }
-    return manifest
+    return { manifest }
   }
 }
 
@@ -80,7 +82,7 @@ const exec = async (opts) => {
     localBin = resolve('./node_modules/.bin'),
     locationMsg = undefined,
     globalBin = '',
-    globalPath = '',
+    globalPath,
     output,
     // dereference values because we manipulate it later
     packages: [...packages] = [],
@@ -118,7 +120,7 @@ const exec = async (opts) => {
     if (localBinPath) {
       binPaths.push(localBinPath)
       return await run()
-    } else if (await fileExists(`${globalBin}/${args[0]}`)) {
+    } else if (globalPath && await fileExists(`${globalBin}/${args[0]}`)) {
       binPaths.push(globalBin)
       return await run()
     }
@@ -132,35 +134,37 @@ const exec = async (opts) => {
 
   // Find anything that isn't installed locally
   const needInstall = []
-  await Promise.all(packages.map(async pkg => {
+  let commandManifest
+  await Promise.all(packages.map(async (pkg, i) => {
     const spec = npa(pkg, path)
-    const manifest = await missingFromTree({ spec, tree: localTree, flatOptions })
+    const { manifest, node } = await missingFromTree({ spec, tree: localTree, flatOptions })
     if (manifest) {
       // Package does not exist in the local tree
       needInstall.push({ spec, manifest })
+      if (i === 0) {
+        commandManifest = manifest
+      }
+    } else if (i === 0) {
+      // The node.package has enough to look up the bin
+      commandManifest = node.package
     }
   }))
 
   if (needPackageCommandSwap) {
-    // Either we have a scoped package or the bin of our package we inferred
-    // from arg[0] might not be identical to the package name
     const spec = npa(args[0])
-    let commandManifest
-    if (needInstall.length === 0) {
-      commandManifest = await getManifest(spec, flatOptions)
-    } else {
-      commandManifest = needInstall[0].manifest
-    }
 
     args[0] = getBinFromManifest(commandManifest)
 
-    // See if the package is installed globally, and run the translated bin
-    const globalArb = new Arborist({ ...flatOptions, path: globalPath, global: true })
-    const globalTree = await globalArb.loadActual()
-    const globalManifest = await missingFromTree({ spec, tree: globalTree, flatOptions })
-    if (!globalManifest) {
-      binPaths.push(globalBin)
-      return await run()
+    if (needInstall.length > 0 && globalPath) {
+      // See if the package is installed globally, and run the translated bin
+      const globalArb = new Arborist({ ...flatOptions, path: globalPath, global: true })
+      const globalTree = await globalArb.loadActual()
+      const { manifest: globalManifest } =
+        await missingFromTree({ spec, tree: globalTree, flatOptions })
+      if (!globalManifest && await fileExists(`${globalBin}/${args[0]}`)) {
+        binPaths.push(globalBin)
+        return await run()
+      }
     }
   }
 
@@ -183,7 +187,7 @@ const exec = async (opts) => {
     })
     const npxTree = await npxArb.loadActual()
     await Promise.all(needInstall.map(async ({ spec }) => {
-      const manifest = await missingFromTree({ spec, tree: npxTree, flatOptions })
+      const { manifest } = await missingFromTree({ spec, tree: npxTree, flatOptions })
       if (manifest) {
         // Manifest is not in npxCache, we need to install it there
         if (!spec.registry) {
diff --git a/deps/npm/node_modules/libnpmexec/package.json b/deps/npm/node_modules/libnpmexec/package.json
index 9fcb0b20167847..a83447d9ea695b 100644
--- a/deps/npm/node_modules/libnpmexec/package.json
+++ b/deps/npm/node_modules/libnpmexec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "libnpmexec",
-  "version": "4.0.9",
+  "version": "4.0.10",
   "files": [
     "bin/",
     "lib/"
diff --git a/deps/npm/node_modules/lru-cache/index.d.ts b/deps/npm/node_modules/lru-cache/index.d.ts
index b9375a8b96a716..e5481b3f926376 100644
--- a/deps/npm/node_modules/lru-cache/index.d.ts
+++ b/deps/npm/node_modules/lru-cache/index.d.ts
@@ -1,4 +1,3 @@
-// Type definitions for lru-cache 7.10.0
 // Project: https://github.com/isaacs/node-lru-cache
 // Based initially on @types/lru-cache
 // https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -32,7 +31,6 @@
 // Changes by Isaac Z. Schlueter released under the terms found in the
 // LICENSE file within this project.
 
-/// 
 //tslint:disable:member-access
 declare class LRUCache implements Iterable<[K, V]> {
   constructor(options: LRUCache.Options)
@@ -569,10 +567,11 @@ declare namespace LRUCache {
   /**
    * options which override the options set in the LRUCache constructor
    * when making `cache.fetch()` calls.
-   * This is the union of GetOptions and SetOptions, plus the
-   * `noDeleteOnFetchRejection` and `fetchContext` fields.
+   * This is the union of GetOptions and SetOptions, plus
+   * `noDeleteOnFetchRejection`, `forceRefresh`, and `fetchContext`
    */
   interface FetchOptions extends FetcherFetchOptions {
+    forceRefresh?: boolean
     fetchContext?: any
   }
 
diff --git a/deps/npm/node_modules/lru-cache/index.js b/deps/npm/node_modules/lru-cache/index.js
index 479ffc8656b703..0a551c9d1d6f2c 100644
--- a/deps/npm/node_modules/lru-cache/index.js
+++ b/deps/npm/node_modules/lru-cache/index.js
@@ -364,8 +364,10 @@ class LRUCache {
   initializeSizeTracking() {
     this.calculatedSize = 0
     this.sizes = new ZeroArray(this.max)
-    this.removeItemSize = index =>
-      (this.calculatedSize -= this.sizes[index])
+    this.removeItemSize = index => {
+      this.calculatedSize -= this.sizes[index]
+      this.sizes[index] = 0
+    }
     this.requireSize = (k, v, size, sizeCalculation) => {
       if (!isPosInt(size)) {
         if (sizeCalculation) {
@@ -386,7 +388,7 @@ class LRUCache {
       }
       return size
     }
-    this.addItemSize = (index, v, k, size) => {
+    this.addItemSize = (index, size) => {
       this.sizes[index] = size
       const maxSize = this.maxSize - this.sizes[index]
       while (this.calculatedSize > maxSize) {
@@ -396,7 +398,7 @@ class LRUCache {
     }
   }
   removeItemSize(index) {}
-  addItemSize(index, v, k, size) {}
+  addItemSize(index, size) {}
   requireSize(k, v, size, sizeCalculation) {
     if (size || sizeCalculation) {
       throw new TypeError(
@@ -523,7 +525,9 @@ class LRUCache {
     for (const i of this.indexes({ allowStale: true })) {
       const key = this.keyList[i]
       const v = this.valList[i]
-      const value = this.isBackgroundFetch(v) ? v.__staleWhileFetching : v
+      const value = this.isBackgroundFetch(v)
+        ? v.__staleWhileFetching
+        : v
       const entry = { value }
       if (this.ttls) {
         entry.ttl = this.ttls[i]
@@ -569,6 +573,10 @@ class LRUCache {
     } = {}
   ) {
     size = this.requireSize(k, v, size, sizeCalculation)
+    // if the item doesn't fit, don't do anything
+    if (this.maxSize && size > this.maxSize) {
+      return this
+    }
     let index = this.size === 0 ? undefined : this.keyMap.get(k)
     if (index === undefined) {
       // addition
@@ -580,7 +588,7 @@ class LRUCache {
       this.prev[index] = this.tail
       this.tail = index
       this.size++
-      this.addItemSize(index, v, k, size)
+      this.addItemSize(index, size)
       noUpdateTTL = false
     } else {
       // update
@@ -598,7 +606,7 @@ class LRUCache {
         }
         this.removeItemSize(index)
         this.valList[index] = v
-        this.addItemSize(index, v, k, size)
+        this.addItemSize(index, size)
       }
       this.moveToTail(index)
     }
@@ -680,7 +688,9 @@ class LRUCache {
   peek(k, { allowStale = this.allowStale } = {}) {
     const index = this.keyMap.get(k)
     if (index !== undefined && (allowStale || !this.isStale(index))) {
-      return this.valList[index]
+      const v = this.valList[index]
+      // either stale and allowed, or forcing a refresh of non-stale value
+      return this.isBackgroundFetch(v) ? v.__staleWhileFetching : v
     }
   }
 
@@ -763,10 +773,15 @@ class LRUCache {
       // fetch exclusive options
       noDeleteOnFetchRejection = this.noDeleteOnFetchRejection,
       fetchContext = this.fetchContext,
+      forceRefresh = false,
     } = {}
   ) {
     if (!this.fetchMethod) {
-      return this.get(k, { allowStale, updateAgeOnGet, noDeleteOnStaleGet })
+      return this.get(k, {
+        allowStale,
+        updateAgeOnGet,
+        noDeleteOnStaleGet,
+      })
     }
 
     const options = {
@@ -794,7 +809,9 @@ class LRUCache {
           : (v.__returned = v)
       }
 
-      if (!this.isStale(index)) {
+      // if we force a refresh, that means do NOT serve the cached value,
+      // unless we are already in the process of refreshing the cache.
+      if (!forceRefresh && !this.isStale(index)) {
         this.moveToTail(index)
         if (updateAgeOnGet) {
           this.updateItemAge(index)
@@ -802,7 +819,7 @@ class LRUCache {
         return v
       }
 
-      // ok, it is stale, and not already fetching
+      // ok, it is stale or a forced refresh, and not already fetching.
       // refresh the cache.
       const p = this.backgroundFetch(k, index, options, fetchContext)
       return allowStale && p.__staleWhileFetching !== undefined
diff --git a/deps/npm/node_modules/lru-cache/package.json b/deps/npm/node_modules/lru-cache/package.json
index c023ce6c49aca2..c3c62e0a3254e0 100644
--- a/deps/npm/node_modules/lru-cache/package.json
+++ b/deps/npm/node_modules/lru-cache/package.json
@@ -1,13 +1,14 @@
 {
   "name": "lru-cache",
   "description": "A cache object that deletes the least-recently-used items.",
-  "version": "7.12.0",
+  "version": "7.13.2",
   "author": "Isaac Z. Schlueter ",
   "keywords": [
     "mru",
     "lru",
     "cache"
   ],
+  "sideEffects": false,
   "scripts": {
     "build": "",
     "size": "size-limit",
@@ -26,7 +27,7 @@
     "@types/tap": "^15.0.6",
     "benchmark": "^2.1.4",
     "c8": "^7.11.2",
-    "clock-mock": "^1.0.4",
+    "clock-mock": "^1.0.6",
     "eslint-config-prettier": "^8.5.0",
     "prettier": "^2.6.2",
     "size-limit": "^7.0.8",
diff --git a/deps/npm/node_modules/node-gyp/.github/workflows/release-please.yml b/deps/npm/node_modules/node-gyp/.github/workflows/release-please.yml
index 7d3cf9dd450b01..c3057c3a3159ae 100644
--- a/deps/npm/node_modules/node-gyp/.github/workflows/release-please.yml
+++ b/deps/npm/node_modules/node-gyp/.github/workflows/release-please.yml
@@ -3,7 +3,7 @@ name: release-please
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   release-please:
diff --git a/deps/npm/node_modules/node-gyp/.github/workflows/tests.yml b/deps/npm/node_modules/node-gyp/.github/workflows/tests.yml
index f7c9b979e3a8ac..a3b68bdd5d387d 100644
--- a/deps/npm/node_modules/node-gyp/.github/workflows/tests.yml
+++ b/deps/npm/node_modules/node-gyp/.github/workflows/tests.yml
@@ -1,45 +1,52 @@
-# TODO: Line 43, enable pytest --doctest-modules
+# https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
+# TODO: Line 48, enable pytest --doctest-modules
 
 name: Tests
-on: [push, pull_request]
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 jobs:
   Tests:
     strategy:
       fail-fast: false
       max-parallel: 15
       matrix:
-        node: [12.x, 14.x, 16.x]
+        node: [14.x, 16.x, 18.x]
         python: ["3.6", "3.8", "3.10"]
         os: [macos-latest, ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
       - name: Use Python ${{ matrix.python }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
         env:
-          PYTHON_VERSION: ${{ matrix.python }}
+          PYTHON_VERSION: ${{ matrix.python }}  # Why do this?
       - name: Install Dependencies
         run: |
           npm install --no-progress
           pip install flake8 pytest
       - name: Set Windows environment
-        if: matrix.os == 'windows-latest'
+        if: startsWith(matrix.os, 'windows')
         run: |
           echo 'GYP_MSVS_VERSION=2015' >> $Env:GITHUB_ENV
           echo 'GYP_MSVS_OVERRIDE_PATH=C:\\Dummy' >> $Env:GITHUB_ENV
       - name: Lint Python
-        if: matrix.os == 'ubuntu-latest'
+        if: startsWith(matrix.os, 'ubuntu')
         run: flake8 . --ignore=E203,W503  --max-complexity=101 --max-line-length=88 --show-source --statistics
       - name: Run Python tests
         run: python -m pytest
       # - name: Run doctests with pytest
       #   run: python -m pytest --doctest-modules
+      - name: Environment Information
+        run: npx envinfo
       - name: Run Node tests
         run: npm test
diff --git a/deps/npm/node_modules/node-gyp/.github/workflows/visual-studio.yml b/deps/npm/node_modules/node-gyp/.github/workflows/visual-studio.yml
index 6bb4574d63f7d0..12125e54479b87 100644
--- a/deps/npm/node_modules/node-gyp/.github/workflows/visual-studio.yml
+++ b/deps/npm/node_modules/node-gyp/.github/workflows/visual-studio.yml
@@ -1,23 +1,31 @@
-name: Tests on Windows
-on: [push, pull_request]
+# https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
+
+name: visual-studio
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 jobs:
-  Tests:
+  visual-studio:
     strategy:
       fail-fast: false
-      max-parallel: 15
+      max-parallel: 8
       matrix:
-        os: [windows-2022]
+        os: [windows-latest]
+        msvs-version: [2016, 2019, 2022]  # https://github.com/actions/virtual-environments/tree/main/images/win
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Install Dependencies
         run: |
           npm install --no-progress
+          # npm audit fix --force
       - name: Set Windows environment
-        if: matrix.os == 'windows-latest'
+        if: startsWith(matrix.os, 'windows')
         run: |
-          echo 'GYP_MSVS_VERSION=2015' >> $Env:GITHUB_ENV
+          echo 'GYP_MSVS_VERSION=${{ matrix.msvs-version }}' >> $Env:GITHUB_ENV
           echo 'GYP_MSVS_OVERRIDE_PATH=C:\\Dummy' >> $Env:GITHUB_ENV
       - name: Environment Information
         run: npx envinfo
diff --git a/deps/npm/node_modules/node-gyp/CHANGELOG.md b/deps/npm/node_modules/node-gyp/CHANGELOG.md
index 7a474ed93f191a..694823fa32e8f5 100644
--- a/deps/npm/node_modules/node-gyp/CHANGELOG.md
+++ b/deps/npm/node_modules/node-gyp/CHANGELOG.md
@@ -1,5 +1,37 @@
 # Changelog
 
+## [9.1.0](https://www.github.com/nodejs/node-gyp/compare/v9.0.0...v9.1.0) (2022-07-13)
+
+
+### Features
+
+* Update function getSDK() to support Windows 11 SDK ([#2565](https://www.github.com/nodejs/node-gyp/issues/2565)) ([ea8520e](https://www.github.com/nodejs/node-gyp/commit/ea8520e3855374bd15b6d001fe112d58a8d7d737))
+
+
+### Bug Fixes
+
+* extend tap timeout length to allow for slow CI ([6f74c76](https://www.github.com/nodejs/node-gyp/commit/6f74c762fe3c19bdd20245cb5c02e2dfa65d9451))
+* new ca & server certs, bundle in .js file and unpack for testing ([147e3d3](https://www.github.com/nodejs/node-gyp/commit/147e3d34f44a97deb7aa507207680cf0f4e662a2))
+* re-label ([#2689](https://www.github.com/nodejs/node-gyp/issues/2689)) ([f0b7863](https://www.github.com/nodejs/node-gyp/commit/f0b7863dadfa365afc173025ae95351aec79abd9))
+* typo on readme ([bf81cd4](https://www.github.com/nodejs/node-gyp/commit/bf81cd452b931dd4dfa82762c23dd530a075d992))
+
+
+### Doc
+
+* update docs/README.md with latest version number ([62d2815](https://www.github.com/nodejs/node-gyp/commit/62d28151bf8266a34e1bcceeb25b4e6e2ae5ca5d))
+
+
+### Core
+
+* update due to rename of primary branch ([ca1f068](https://www.github.com/nodejs/node-gyp/commit/ca1f0681a5567ca8cd51acebccd37a633f19bc6a))
+
+
+### Tests
+
+* Try msvs-version: [2016, 2019, 2022] ([#2700](https://www.github.com/nodejs/node-gyp/issues/2700)) ([68b5b5b](https://www.github.com/nodejs/node-gyp/commit/68b5b5be9c94ac20c55e88654ff6f55234d7130a))
+* Upgrade GitHub Actions ([#2623](https://www.github.com/nodejs/node-gyp/issues/2623)) ([245cd5b](https://www.github.com/nodejs/node-gyp/commit/245cd5bbe4441d4f05e88f2fa20a86425419b6af))
+* Upgrade GitHub Actions ([#2701](https://www.github.com/nodejs/node-gyp/issues/2701)) ([1c64ca7](https://www.github.com/nodejs/node-gyp/commit/1c64ca7f4702c6eb43ecd16fbd67b5d939041621))
+
 ## [9.0.0](https://www.github.com/nodejs/node-gyp/compare/v8.4.1...v9.0.0) (2022-02-24)
 
 
diff --git a/deps/npm/node_modules/node-gyp/README.md b/deps/npm/node_modules/node-gyp/README.md
index d28a0cc9ef8df7..7636ad54820593 100644
--- a/deps/npm/node_modules/node-gyp/README.md
+++ b/deps/npm/node_modules/node-gyp/README.md
@@ -37,7 +37,7 @@ Depending on your operating system, you will need to install:
 
 ### On macOS
 
-**ATTENTION**: If your Mac has been _upgraded_ to macOS Catalina (10.15), please read [macOS_Catalina.md](macOS_Catalina.md).
+**ATTENTION**: If your Mac has been _upgraded_ to macOS Catalina (10.15) or higher, please read [macOS_Catalina.md](macOS_Catalina.md).
 
    * Python v3.7, v3.8, v3.9, or v3.10
    * `XCode Command Line Tools` which will install `clang`, `clang++`, and `make`.
@@ -89,7 +89,7 @@ searching will be done.
 
 ### Build for Third Party Node.js Runtimes
 
-When building modules for thid party Node.js runtimes like Electron, which have
+When building modules for third party Node.js runtimes like Electron, which have
 different build configurations from the official Node.js distribution, you
 should use `--dist-url` or `--nodedir` flags to specify the headers of the
 runtime to build for.
diff --git a/deps/npm/node_modules/node-gyp/docs/README.md b/deps/npm/node_modules/node-gyp/docs/README.md
index 1bec1f0d5739df..7027960909352b 100644
--- a/deps/npm/node_modules/node-gyp/docs/README.md
+++ b/deps/npm/node_modules/node-gyp/docs/README.md
@@ -1,4 +1,4 @@
-## Versions of `node-gyp` that are earlier than v8.x.x
+## Versions of `node-gyp` that are earlier than v9.x.x
 
 Please look thru your error log for the string `gyp info using node-gyp@` and if that version number is less than the [current release of node-gyp](https://github.com/nodejs/node-gyp/releases) then __please upgrade__ using [these instructions](https://github.com/nodejs/node-gyp/blob/master/docs/Updating-npm-bundled-node-gyp.md) and then try your command again.
 
diff --git a/deps/npm/node_modules/node-gyp/docs/Updating-npm-bundled-node-gyp.md b/deps/npm/node_modules/node-gyp/docs/Updating-npm-bundled-node-gyp.md
index 1d91af6bb26d54..5759add3fee572 100644
--- a/deps/npm/node_modules/node-gyp/docs/Updating-npm-bundled-node-gyp.md
+++ b/deps/npm/node_modules/node-gyp/docs/Updating-npm-bundled-node-gyp.md
@@ -4,7 +4,7 @@
 
 **Note: These instructions will be undone if you reinstall or upgrade npm or node! For a more permanent (and simpler) solution, see [Force-npm-to-use-global-node-gyp.md](Force-npm-to-use-global-node-gyp.md). (npm 6 or older only!)**
 
-[Many issues](https://github.com/nodejs/node-gyp/labels/ERR%21%20node-gyp%20-v%20%3C%3D%20v5.1.0) are opened by users who are
+[Many issues](https://github.com/nodejs/node-gyp/issues?q=label%3A"ERR!+node-gyp+-v+<%3D+v9.x.x") are opened by users who are
 not running a [current version of node-gyp](https://github.com/nodejs/node-gyp/releases).
 
 `npm` bundles its own, internal, copy of `node-gyp`. This internal copy is independent of any globally installed copy of node-gyp that
diff --git a/deps/npm/node_modules/node-gyp/lib/build.js b/deps/npm/node_modules/node-gyp/lib/build.js
index c2388fb348cc55..3baba4140c9cb4 100644
--- a/deps/npm/node_modules/node-gyp/lib/build.js
+++ b/deps/npm/node_modules/node-gyp/lib/build.js
@@ -185,6 +185,13 @@ function build (gyp, argv, callback) {
       }
     }
 
+    if (!win) {
+      // Add build-time dependency symlinks (such as Python) to PATH
+      const buildBinsDir = path.resolve('build', 'node_gyp_bins')
+      process.env.PATH = `${buildBinsDir}:${process.env.PATH}`
+      log.verbose('bin symlinks', `adding symlinks (such as Python), at "${buildBinsDir}", to PATH`)
+    }
+
     var proc = gyp.spawn(command, argv)
     proc.on('exit', onExit)
   }
diff --git a/deps/npm/node_modules/node-gyp/lib/configure.js b/deps/npm/node_modules/node-gyp/lib/configure.js
index 17a6487fa9cafb..c7010385b5e0d2 100644
--- a/deps/npm/node_modules/node-gyp/lib/configure.js
+++ b/deps/npm/node_modules/node-gyp/lib/configure.js
@@ -17,6 +17,7 @@ if (win) {
 function configure (gyp, argv, callback) {
   var python
   var buildDir = path.resolve('build')
+  var buildBinsDir = path.join(buildDir, 'node_gyp_bins')
   var configNames = ['config.gypi', 'common.gypi']
   var configs = []
   var nodeDir
@@ -73,7 +74,9 @@ function configure (gyp, argv, callback) {
 
   function createBuildDir () {
     log.verbose('build dir', 'attempting to create "build" dir: %s', buildDir)
-    fs.mkdir(buildDir, { recursive: true }, function (err, isNew) {
+
+    const deepestBuildDirSubdirectory = win ? buildDir : buildBinsDir
+    fs.mkdir(deepestBuildDirSubdirectory, { recursive: true }, function (err, isNew) {
       if (err) {
         return callback(err)
       }
@@ -84,11 +87,31 @@ function configure (gyp, argv, callback) {
         findVisualStudio(release.semver, gyp.opts.msvs_version,
           createConfigFile)
       } else {
+        createPythonSymlink()
         createConfigFile()
       }
     })
   }
 
+  function createPythonSymlink () {
+    const symlinkDestination = path.join(buildBinsDir, 'python3')
+
+    log.verbose('python symlink', `creating symlink to "${python}" at "${symlinkDestination}"`)
+
+    fs.unlink(symlinkDestination, function (err) {
+      if (err && err.code !== 'ENOENT') {
+        log.verbose('python symlink', 'error when attempting to remove existing symlink')
+        log.verbose('python symlink', err.stack, 'errno: ' + err.errno)
+      }
+      fs.symlink(python, symlinkDestination, function (err) {
+        if (err) {
+          log.verbose('python symlink', 'error when attempting to create Python symlink')
+          log.verbose('python symlink', err.stack, 'errno: ' + err.errno)
+        }
+      })
+    })
+  }
+
   function createConfigFile (err, vsInfo) {
     if (err) {
       return callback(err)
diff --git a/deps/npm/node_modules/node-gyp/lib/find-visualstudio.js b/deps/npm/node_modules/node-gyp/lib/find-visualstudio.js
index 64af7be3460ef7..8a5cfc1ea9b93b 100644
--- a/deps/npm/node_modules/node-gyp/lib/find-visualstudio.js
+++ b/deps/npm/node_modules/node-gyp/lib/find-visualstudio.js
@@ -314,29 +314,30 @@ VisualStudioFinder.prototype = {
   getSDK: function getSDK (info) {
     const win8SDK = 'Microsoft.VisualStudio.Component.Windows81SDK'
     const win10SDKPrefix = 'Microsoft.VisualStudio.Component.Windows10SDK.'
+    const win11SDKPrefix = 'Microsoft.VisualStudio.Component.Windows11SDK.'
 
-    var Win10SDKVer = 0
+    var Win10or11SDKVer = 0
     info.packages.forEach((pkg) => {
-      if (!pkg.startsWith(win10SDKPrefix)) {
+      if (!pkg.startsWith(win10SDKPrefix) && !pkg.startsWith(win11SDKPrefix)) {
         return
       }
       const parts = pkg.split('.')
       if (parts.length > 5 && parts[5] !== 'Desktop') {
-        this.log.silly('- ignoring non-Desktop Win10SDK:', pkg)
+        this.log.silly('- ignoring non-Desktop Win10/11SDK:', pkg)
         return
       }
       const foundSdkVer = parseInt(parts[4], 10)
       if (isNaN(foundSdkVer)) {
         // Microsoft.VisualStudio.Component.Windows10SDK.IpOverUsb
-        this.log.silly('- failed to parse Win10SDK number:', pkg)
+        this.log.silly('- failed to parse Win10/11SDK number:', pkg)
         return
       }
-      this.log.silly('- found Win10SDK:', foundSdkVer)
-      Win10SDKVer = Math.max(Win10SDKVer, foundSdkVer)
+      this.log.silly('- found Win10/11SDK:', foundSdkVer)
+      Win10or11SDKVer = Math.max(Win10or11SDKVer, foundSdkVer)
     })
 
-    if (Win10SDKVer !== 0) {
-      return `10.0.${Win10SDKVer}.0`
+    if (Win10or11SDKVer !== 0) {
+      return `10.0.${Win10or11SDKVer}.0`
     } else if (info.packages.indexOf(win8SDK) !== -1) {
       this.log.silly('- found Win8SDK')
       return '8.1'
diff --git a/deps/npm/node_modules/node-gyp/macOS_Catalina.md b/deps/npm/node_modules/node-gyp/macOS_Catalina.md
index 4fe0f29b21eb52..dde5fe3f7d4fbf 100644
--- a/deps/npm/node_modules/node-gyp/macOS_Catalina.md
+++ b/deps/npm/node_modules/node-gyp/macOS_Catalina.md
@@ -37,7 +37,7 @@ If `ProductVersion` is less then `10.15` then this document is not for you. Norm
 ### The acid test
 To see if `Xcode Command Line Tools` is installed in a way that will work with `node-gyp`, run:
 ```
-curl -sL https://github.com/nodejs/node-gyp/raw/master/macOS_Catalina_acid_test.sh | bash
+curl -sL https://github.com/nodejs/node-gyp/raw/main/macOS_Catalina_acid_test.sh | bash
 ```
 
 If test succeeded, _you are done_! You should be ready to [install](https://github.com/nodejs/node-gyp#installation) `node-gyp`.
diff --git a/deps/npm/node_modules/nopt/CHANGELOG.md b/deps/npm/node_modules/node-gyp/node_modules/nopt/CHANGELOG.md
similarity index 100%
rename from deps/npm/node_modules/nopt/CHANGELOG.md
rename to deps/npm/node_modules/node-gyp/node_modules/nopt/CHANGELOG.md
diff --git a/deps/npm/node_modules/node-gyp/node_modules/nopt/LICENSE b/deps/npm/node_modules/node-gyp/node_modules/nopt/LICENSE
new file mode 100644
index 00000000000000..19129e315fe593
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/nopt/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/deps/npm/node_modules/node-gyp/node_modules/nopt/README.md b/deps/npm/node_modules/node-gyp/node_modules/nopt/README.md
new file mode 100644
index 00000000000000..a99531c04655fe
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/nopt/README.md
@@ -0,0 +1,213 @@
+If you want to write an option parser, and have it be good, there are
+two ways to do it.  The Right Way, and the Wrong Way.
+
+The Wrong Way is to sit down and write an option parser.  We've all done
+that.
+
+The Right Way is to write some complex configurable program with so many
+options that you hit the limit of your frustration just trying to
+manage them all, and defer it with duct-tape solutions until you see
+exactly to the core of the problem, and finally snap and write an
+awesome option parser.
+
+If you want to write an option parser, don't write an option parser.
+Write a package manager, or a source control system, or a service
+restarter, or an operating system.  You probably won't end up with a
+good one of those, but if you don't give up, and you are relentless and
+diligent enough in your procrastination, you may just end up with a very
+nice option parser.
+
+## USAGE
+
+```javascript
+// my-program.js
+var nopt = require("nopt")
+  , Stream = require("stream").Stream
+  , path = require("path")
+  , knownOpts = { "foo" : [String, null]
+                , "bar" : [Stream, Number]
+                , "baz" : path
+                , "bloo" : [ "big", "medium", "small" ]
+                , "flag" : Boolean
+                , "pick" : Boolean
+                , "many1" : [String, Array]
+                , "many2" : [path, Array]
+                }
+  , shortHands = { "foofoo" : ["--foo", "Mr. Foo"]
+                 , "b7" : ["--bar", "7"]
+                 , "m" : ["--bloo", "medium"]
+                 , "p" : ["--pick"]
+                 , "f" : ["--flag"]
+                 }
+             // everything is optional.
+             // knownOpts and shorthands default to {}
+             // arg list defaults to process.argv
+             // slice defaults to 2
+  , parsed = nopt(knownOpts, shortHands, process.argv, 2)
+console.log(parsed)
+```
+
+This would give you support for any of the following:
+
+```console
+$ node my-program.js --foo "blerp" --no-flag
+{ "foo" : "blerp", "flag" : false }
+
+$ node my-program.js ---bar 7 --foo "Mr. Hand" --flag
+{ bar: 7, foo: "Mr. Hand", flag: true }
+
+$ node my-program.js --foo "blerp" -f -----p
+{ foo: "blerp", flag: true, pick: true }
+
+$ node my-program.js -fp --foofoo
+{ foo: "Mr. Foo", flag: true, pick: true }
+
+$ node my-program.js --foofoo -- -fp  # -- stops the flag parsing.
+{ foo: "Mr. Foo", argv: { remain: ["-fp"] } }
+
+$ node my-program.js --blatzk -fp # unknown opts are ok.
+{ blatzk: true, flag: true, pick: true }
+
+$ node my-program.js --blatzk=1000 -fp # but you need to use = if they have a value
+{ blatzk: 1000, flag: true, pick: true }
+
+$ node my-program.js --no-blatzk -fp # unless they start with "no-"
+{ blatzk: false, flag: true, pick: true }
+
+$ node my-program.js --baz b/a/z # known paths are resolved.
+{ baz: "/Users/isaacs/b/a/z" }
+
+# if Array is one of the types, then it can take many
+# values, and will always be an array.  The other types provided
+# specify what types are allowed in the list.
+
+$ node my-program.js --many1 5 --many1 null --many1 foo
+{ many1: ["5", "null", "foo"] }
+
+$ node my-program.js --many2 foo --many2 bar
+{ many2: ["/path/to/foo", "path/to/bar"] }
+```
+
+Read the tests at the bottom of `lib/nopt.js` for more examples of
+what this puppy can do.
+
+## Types
+
+The following types are supported, and defined on `nopt.typeDefs`
+
+* String: A normal string.  No parsing is done.
+* path: A file system path.  Gets resolved against cwd if not absolute.
+* url: A url.  If it doesn't parse, it isn't accepted.
+* Number: Must be numeric.
+* Date: Must parse as a date. If it does, and `Date` is one of the options,
+  then it will return a Date object, not a string.
+* Boolean: Must be either `true` or `false`.  If an option is a boolean,
+  then it does not need a value, and its presence will imply `true` as
+  the value.  To negate boolean flags, do `--no-whatever` or `--whatever
+  false`
+* NaN: Means that the option is strictly not allowed.  Any value will
+  fail.
+* Stream: An object matching the "Stream" class in node.  Valuable
+  for use when validating programmatically.  (npm uses this to let you
+  supply any WriteStream on the `outfd` and `logfd` config options.)
+* Array: If `Array` is specified as one of the types, then the value
+  will be parsed as a list of options.  This means that multiple values
+  can be specified, and that the value will always be an array.
+
+If a type is an array of values not on this list, then those are
+considered valid values.  For instance, in the example above, the
+`--bloo` option can only be one of `"big"`, `"medium"`, or `"small"`,
+and any other value will be rejected.
+
+When parsing unknown fields, `"true"`, `"false"`, and `"null"` will be
+interpreted as their JavaScript equivalents.
+
+You can also mix types and values, or multiple types, in a list.  For
+instance `{ blah: [Number, null] }` would allow a value to be set to
+either a Number or null.  When types are ordered, this implies a
+preference, and the first type that can be used to properly interpret
+the value will be used.
+
+To define a new type, add it to `nopt.typeDefs`.  Each item in that
+hash is an object with a `type` member and a `validate` method.  The
+`type` member is an object that matches what goes in the type list.  The
+`validate` method is a function that gets called with `validate(data,
+key, val)`.  Validate methods should assign `data[key]` to the valid
+value of `val` if it can be handled properly, or return boolean
+`false` if it cannot.
+
+You can also call `nopt.clean(data, types, typeDefs)` to clean up a
+config object and remove its invalid properties.
+
+## Error Handling
+
+By default, nopt outputs a warning to standard error when invalid values for
+known options are found.  You can change this behavior by assigning a method
+to `nopt.invalidHandler`.  This method will be called with
+the offending `nopt.invalidHandler(key, val, types)`.
+
+If no `nopt.invalidHandler` is assigned, then it will console.error
+its whining.  If it is assigned to boolean `false` then the warning is
+suppressed.
+
+## Abbreviations
+
+Yes, they are supported.  If you define options like this:
+
+```javascript
+{ "foolhardyelephants" : Boolean
+, "pileofmonkeys" : Boolean }
+```
+
+Then this will work:
+
+```bash
+node program.js --foolhar --pil
+node program.js --no-f --pileofmon
+# etc.
+```
+
+## Shorthands
+
+Shorthands are a hash of shorter option names to a snippet of args that
+they expand to.
+
+If multiple one-character shorthands are all combined, and the
+combination does not unambiguously match any other option or shorthand,
+then they will be broken up into their constituent parts.  For example:
+
+```json
+{ "s" : ["--loglevel", "silent"]
+, "g" : "--global"
+, "f" : "--force"
+, "p" : "--parseable"
+, "l" : "--long"
+}
+```
+
+```bash
+npm ls -sgflp
+# just like doing this:
+npm ls --loglevel silent --global --force --long --parseable
+```
+
+## The Rest of the args
+
+The config object returned by nopt is given a special member called
+`argv`, which is an object with the following fields:
+
+* `remain`: The remaining args after all the parsing has occurred.
+* `original`: The args as they originally appeared.
+* `cooked`: The args after flags and shorthands are expanded.
+
+## Slicing
+
+Node programs are called with more or less the exact argv as it appears
+in C land, after the v8 and node-specific options have been plucked off.
+As such, `argv[0]` is always `node` and `argv[1]` is always the
+JavaScript program being run.
+
+That's usually not very useful to you.  So they're sliced off by
+default.  If you want them, then you can pass in `0` as the last
+argument, or any other number that you'd like to slice off the start of
+the list.
diff --git a/deps/npm/node_modules/node-gyp/node_modules/nopt/bin/nopt.js b/deps/npm/node_modules/node-gyp/node_modules/nopt/bin/nopt.js
new file mode 100755
index 00000000000000..3232d4c570fdcb
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/nopt/bin/nopt.js
@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+var nopt = require("../lib/nopt")
+  , path = require("path")
+  , types = { num: Number
+            , bool: Boolean
+            , help: Boolean
+            , list: Array
+            , "num-list": [Number, Array]
+            , "str-list": [String, Array]
+            , "bool-list": [Boolean, Array]
+            , str: String
+            , clear: Boolean
+            , config: Boolean
+            , length: Number
+            , file: path
+            }
+  , shorthands = { s: [ "--str", "astring" ]
+                 , b: [ "--bool" ]
+                 , nb: [ "--no-bool" ]
+                 , tft: [ "--bool-list", "--no-bool-list", "--bool-list", "true" ]
+                 , "?": ["--help"]
+                 , h: ["--help"]
+                 , H: ["--help"]
+                 , n: [ "--num", "125" ]
+                 , c: ["--config"]
+                 , l: ["--length"]
+                 , f: ["--file"]
+                 }
+  , parsed = nopt( types
+                 , shorthands
+                 , process.argv
+                 , 2 )
+
+console.log("parsed", parsed)
+
+if (parsed.help) {
+  console.log("")
+  console.log("nopt cli tester")
+  console.log("")
+  console.log("types")
+  console.log(Object.keys(types).map(function M (t) {
+    var type = types[t]
+    if (Array.isArray(type)) {
+      return [t, type.map(function (type) { return type.name })]
+    }
+    return [t, type && type.name]
+  }).reduce(function (s, i) {
+    s[i[0]] = i[1]
+    return s
+  }, {}))
+  console.log("")
+  console.log("shorthands")
+  console.log(shorthands)
+}
diff --git a/deps/npm/node_modules/node-gyp/node_modules/nopt/lib/nopt.js b/deps/npm/node_modules/node-gyp/node_modules/nopt/lib/nopt.js
new file mode 100644
index 00000000000000..ecfa5da9336833
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/nopt/lib/nopt.js
@@ -0,0 +1,441 @@
+// info about each config option.
+
+var debug = process.env.DEBUG_NOPT || process.env.NOPT_DEBUG
+  ? function () { console.error.apply(console, arguments) }
+  : function () {}
+
+var url = require("url")
+  , path = require("path")
+  , Stream = require("stream").Stream
+  , abbrev = require("abbrev")
+  , os = require("os")
+
+module.exports = exports = nopt
+exports.clean = clean
+
+exports.typeDefs =
+  { String  : { type: String,  validate: validateString  }
+  , Boolean : { type: Boolean, validate: validateBoolean }
+  , url     : { type: url,     validate: validateUrl     }
+  , Number  : { type: Number,  validate: validateNumber  }
+  , path    : { type: path,    validate: validatePath    }
+  , Stream  : { type: Stream,  validate: validateStream  }
+  , Date    : { type: Date,    validate: validateDate    }
+  }
+
+function nopt (types, shorthands, args, slice) {
+  args = args || process.argv
+  types = types || {}
+  shorthands = shorthands || {}
+  if (typeof slice !== "number") slice = 2
+
+  debug(types, shorthands, args, slice)
+
+  args = args.slice(slice)
+  var data = {}
+    , key
+    , argv = {
+        remain: [],
+        cooked: args,
+        original: args.slice(0)
+      }
+
+  parse(args, data, argv.remain, types, shorthands)
+  // now data is full
+  clean(data, types, exports.typeDefs)
+  data.argv = argv
+  Object.defineProperty(data.argv, 'toString', { value: function () {
+    return this.original.map(JSON.stringify).join(" ")
+  }, enumerable: false })
+  return data
+}
+
+function clean (data, types, typeDefs) {
+  typeDefs = typeDefs || exports.typeDefs
+  var remove = {}
+    , typeDefault = [false, true, null, String, Array]
+
+  Object.keys(data).forEach(function (k) {
+    if (k === "argv") return
+    var val = data[k]
+      , isArray = Array.isArray(val)
+      , type = types[k]
+    if (!isArray) val = [val]
+    if (!type) type = typeDefault
+    if (type === Array) type = typeDefault.concat(Array)
+    if (!Array.isArray(type)) type = [type]
+
+    debug("val=%j", val)
+    debug("types=", type)
+    val = val.map(function (val) {
+      // if it's an unknown value, then parse false/true/null/numbers/dates
+      if (typeof val === "string") {
+        debug("string %j", val)
+        val = val.trim()
+        if ((val === "null" && ~type.indexOf(null))
+            || (val === "true" &&
+               (~type.indexOf(true) || ~type.indexOf(Boolean)))
+            || (val === "false" &&
+               (~type.indexOf(false) || ~type.indexOf(Boolean)))) {
+          val = JSON.parse(val)
+          debug("jsonable %j", val)
+        } else if (~type.indexOf(Number) && !isNaN(val)) {
+          debug("convert to number", val)
+          val = +val
+        } else if (~type.indexOf(Date) && !isNaN(Date.parse(val))) {
+          debug("convert to date", val)
+          val = new Date(val)
+        }
+      }
+
+      if (!types.hasOwnProperty(k)) {
+        return val
+      }
+
+      // allow `--no-blah` to set 'blah' to null if null is allowed
+      if (val === false && ~type.indexOf(null) &&
+          !(~type.indexOf(false) || ~type.indexOf(Boolean))) {
+        val = null
+      }
+
+      var d = {}
+      d[k] = val
+      debug("prevalidated val", d, val, types[k])
+      if (!validate(d, k, val, types[k], typeDefs)) {
+        if (exports.invalidHandler) {
+          exports.invalidHandler(k, val, types[k], data)
+        } else if (exports.invalidHandler !== false) {
+          debug("invalid: "+k+"="+val, types[k])
+        }
+        return remove
+      }
+      debug("validated val", d, val, types[k])
+      return d[k]
+    }).filter(function (val) { return val !== remove })
+
+    // if we allow Array specifically, then an empty array is how we
+    // express 'no value here', not null.  Allow it.
+    if (!val.length && type.indexOf(Array) === -1) {
+      debug('VAL HAS NO LENGTH, DELETE IT', val, k, type.indexOf(Array))
+      delete data[k]
+    }
+    else if (isArray) {
+      debug(isArray, data[k], val)
+      data[k] = val
+    } else data[k] = val[0]
+
+    debug("k=%s val=%j", k, val, data[k])
+  })
+}
+
+function validateString (data, k, val) {
+  data[k] = String(val)
+}
+
+function validatePath (data, k, val) {
+  if (val === true) return false
+  if (val === null) return true
+
+  val = String(val)
+
+  var isWin       = process.platform === 'win32'
+    , homePattern = isWin ? /^~(\/|\\)/ : /^~\//
+    , home        = os.homedir()
+
+  if (home && val.match(homePattern)) {
+    data[k] = path.resolve(home, val.substr(2))
+  } else {
+    data[k] = path.resolve(val)
+  }
+  return true
+}
+
+function validateNumber (data, k, val) {
+  debug("validate Number %j %j %j", k, val, isNaN(val))
+  if (isNaN(val)) return false
+  data[k] = +val
+}
+
+function validateDate (data, k, val) {
+  var s = Date.parse(val)
+  debug("validate Date %j %j %j", k, val, s)
+  if (isNaN(s)) return false
+  data[k] = new Date(val)
+}
+
+function validateBoolean (data, k, val) {
+  if (val instanceof Boolean) val = val.valueOf()
+  else if (typeof val === "string") {
+    if (!isNaN(val)) val = !!(+val)
+    else if (val === "null" || val === "false") val = false
+    else val = true
+  } else val = !!val
+  data[k] = val
+}
+
+function validateUrl (data, k, val) {
+  val = url.parse(String(val))
+  if (!val.host) return false
+  data[k] = val.href
+}
+
+function validateStream (data, k, val) {
+  if (!(val instanceof Stream)) return false
+  data[k] = val
+}
+
+function validate (data, k, val, type, typeDefs) {
+  // arrays are lists of types.
+  if (Array.isArray(type)) {
+    for (var i = 0, l = type.length; i < l; i ++) {
+      if (type[i] === Array) continue
+      if (validate(data, k, val, type[i], typeDefs)) return true
+    }
+    delete data[k]
+    return false
+  }
+
+  // an array of anything?
+  if (type === Array) return true
+
+  // NaN is poisonous.  Means that something is not allowed.
+  if (type !== type) {
+    debug("Poison NaN", k, val, type)
+    delete data[k]
+    return false
+  }
+
+  // explicit list of values
+  if (val === type) {
+    debug("Explicitly allowed %j", val)
+    // if (isArray) (data[k] = data[k] || []).push(val)
+    // else data[k] = val
+    data[k] = val
+    return true
+  }
+
+  // now go through the list of typeDefs, validate against each one.
+  var ok = false
+    , types = Object.keys(typeDefs)
+  for (var i = 0, l = types.length; i < l; i ++) {
+    debug("test type %j %j %j", k, val, types[i])
+    var t = typeDefs[types[i]]
+    if (t &&
+      ((type && type.name && t.type && t.type.name) ? (type.name === t.type.name) : (type === t.type))) {
+      var d = {}
+      ok = false !== t.validate(d, k, val)
+      val = d[k]
+      if (ok) {
+        // if (isArray) (data[k] = data[k] || []).push(val)
+        // else data[k] = val
+        data[k] = val
+        break
+      }
+    }
+  }
+  debug("OK? %j (%j %j %j)", ok, k, val, types[i])
+
+  if (!ok) delete data[k]
+  return ok
+}
+
+function parse (args, data, remain, types, shorthands) {
+  debug("parse", args, data, remain)
+
+  var key = null
+    , abbrevs = abbrev(Object.keys(types))
+    , shortAbbr = abbrev(Object.keys(shorthands))
+
+  for (var i = 0; i < args.length; i ++) {
+    var arg = args[i]
+    debug("arg", arg)
+
+    if (arg.match(/^-{2,}$/)) {
+      // done with keys.
+      // the rest are args.
+      remain.push.apply(remain, args.slice(i + 1))
+      args[i] = "--"
+      break
+    }
+    var hadEq = false
+    if (arg.charAt(0) === "-" && arg.length > 1) {
+      var at = arg.indexOf('=')
+      if (at > -1) {
+        hadEq = true
+        var v = arg.substr(at + 1)
+        arg = arg.substr(0, at)
+        args.splice(i, 1, arg, v)
+      }
+
+      // see if it's a shorthand
+      // if so, splice and back up to re-parse it.
+      var shRes = resolveShort(arg, shorthands, shortAbbr, abbrevs)
+      debug("arg=%j shRes=%j", arg, shRes)
+      if (shRes) {
+        debug(arg, shRes)
+        args.splice.apply(args, [i, 1].concat(shRes))
+        if (arg !== shRes[0]) {
+          i --
+          continue
+        }
+      }
+      arg = arg.replace(/^-+/, "")
+      var no = null
+      while (arg.toLowerCase().indexOf("no-") === 0) {
+        no = !no
+        arg = arg.substr(3)
+      }
+
+      if (abbrevs[arg]) arg = abbrevs[arg]
+
+      var argType = types[arg]
+      var isTypeArray = Array.isArray(argType)
+      if (isTypeArray && argType.length === 1) {
+        isTypeArray = false
+        argType = argType[0]
+      }
+
+      var isArray = argType === Array ||
+        isTypeArray && argType.indexOf(Array) !== -1
+
+      // allow unknown things to be arrays if specified multiple times.
+      if (!types.hasOwnProperty(arg) && data.hasOwnProperty(arg)) {
+        if (!Array.isArray(data[arg]))
+          data[arg] = [data[arg]]
+        isArray = true
+      }
+
+      var val
+        , la = args[i + 1]
+
+      var isBool = typeof no === 'boolean' ||
+        argType === Boolean ||
+        isTypeArray && argType.indexOf(Boolean) !== -1 ||
+        (typeof argType === 'undefined' && !hadEq) ||
+        (la === "false" &&
+         (argType === null ||
+          isTypeArray && ~argType.indexOf(null)))
+
+      if (isBool) {
+        // just set and move along
+        val = !no
+        // however, also support --bool true or --bool false
+        if (la === "true" || la === "false") {
+          val = JSON.parse(la)
+          la = null
+          if (no) val = !val
+          i ++
+        }
+
+        // also support "foo":[Boolean, "bar"] and "--foo bar"
+        if (isTypeArray && la) {
+          if (~argType.indexOf(la)) {
+            // an explicit type
+            val = la
+            i ++
+          } else if ( la === "null" && ~argType.indexOf(null) ) {
+            // null allowed
+            val = null
+            i ++
+          } else if ( !la.match(/^-{2,}[^-]/) &&
+                      !isNaN(la) &&
+                      ~argType.indexOf(Number) ) {
+            // number
+            val = +la
+            i ++
+          } else if ( !la.match(/^-[^-]/) && ~argType.indexOf(String) ) {
+            // string
+            val = la
+            i ++
+          }
+        }
+
+        if (isArray) (data[arg] = data[arg] || []).push(val)
+        else data[arg] = val
+
+        continue
+      }
+
+      if (argType === String) {
+        if (la === undefined) {
+          la = ""
+        } else if (la.match(/^-{1,2}[^-]+/)) {
+          la = ""
+          i --
+        }
+      }
+
+      if (la && la.match(/^-{2,}$/)) {
+        la = undefined
+        i --
+      }
+
+      val = la === undefined ? true : la
+      if (isArray) (data[arg] = data[arg] || []).push(val)
+      else data[arg] = val
+
+      i ++
+      continue
+    }
+    remain.push(arg)
+  }
+}
+
+function resolveShort (arg, shorthands, shortAbbr, abbrevs) {
+  // handle single-char shorthands glommed together, like
+  // npm ls -glp, but only if there is one dash, and only if
+  // all of the chars are single-char shorthands, and it's
+  // not a match to some other abbrev.
+  arg = arg.replace(/^-+/, '')
+
+  // if it's an exact known option, then don't go any further
+  if (abbrevs[arg] === arg)
+    return null
+
+  // if it's an exact known shortopt, same deal
+  if (shorthands[arg]) {
+    // make it an array, if it's a list of words
+    if (shorthands[arg] && !Array.isArray(shorthands[arg]))
+      shorthands[arg] = shorthands[arg].split(/\s+/)
+
+    return shorthands[arg]
+  }
+
+  // first check to see if this arg is a set of single-char shorthands
+  var singles = shorthands.___singles
+  if (!singles) {
+    singles = Object.keys(shorthands).filter(function (s) {
+      return s.length === 1
+    }).reduce(function (l,r) {
+      l[r] = true
+      return l
+    }, {})
+    shorthands.___singles = singles
+    debug('shorthand singles', singles)
+  }
+
+  var chrs = arg.split("").filter(function (c) {
+    return singles[c]
+  })
+
+  if (chrs.join("") === arg) return chrs.map(function (c) {
+    return shorthands[c]
+  }).reduce(function (l, r) {
+    return l.concat(r)
+  }, [])
+
+
+  // if it's an arg abbrev, and not a literal shorthand, then prefer the arg
+  if (abbrevs[arg] && !shorthands[arg])
+    return null
+
+  // if it's an abbr for a shorthand, then use that
+  if (shortAbbr[arg])
+    arg = shortAbbr[arg]
+
+  // make it an array, if it's a list of words
+  if (shorthands[arg] && !Array.isArray(shorthands[arg]))
+    shorthands[arg] = shorthands[arg].split(/\s+/)
+
+  return shorthands[arg]
+}
diff --git a/deps/npm/node_modules/node-gyp/node_modules/nopt/package.json b/deps/npm/node_modules/node-gyp/node_modules/nopt/package.json
new file mode 100644
index 00000000000000..12ed02da5a832d
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/nopt/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "nopt",
+  "version": "5.0.0",
+  "description": "Option parsing for Node, supporting types, shorthands, etc. Used by npm.",
+  "author": "Isaac Z. Schlueter  (http://blog.izs.me/)",
+  "main": "lib/nopt.js",
+  "scripts": {
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags",
+    "test": "tap test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/nopt.git"
+  },
+  "bin": {
+    "nopt": "bin/nopt.js"
+  },
+  "license": "ISC",
+  "dependencies": {
+    "abbrev": "1"
+  },
+  "devDependencies": {
+    "tap": "^14.10.6"
+  },
+  "files": [
+    "bin",
+    "lib"
+  ],
+  "engines": {
+    "node": ">=6"
+  }
+}
diff --git a/deps/npm/node_modules/node-gyp/package.json b/deps/npm/node_modules/node-gyp/package.json
index e795db18345386..ecf4d8ae893d8e 100644
--- a/deps/npm/node_modules/node-gyp/package.json
+++ b/deps/npm/node_modules/node-gyp/package.json
@@ -11,7 +11,7 @@
     "bindings",
     "gyp"
   ],
-  "version": "9.0.0",
+  "version": "9.1.0",
   "installVersion": 9,
   "author": "Nathan Rajlich  (http://tootallnate.net)",
   "repository": {
@@ -45,6 +45,6 @@
   },
   "scripts": {
     "lint": "standard */*.js test/**/*.js",
-    "test": "npm run lint && tap --timeout=120 test/test-*"
+    "test": "npm run lint && tap --timeout=600 test/test-*"
   }
 }
diff --git a/deps/npm/node_modules/node-gyp/test/fixtures/ca-bundle.crt b/deps/npm/node_modules/node-gyp/test/fixtures/ca-bundle.crt
deleted file mode 100644
index fb1dea98a78c84..00000000000000
--- a/deps/npm/node_modules/node-gyp/test/fixtures/ca-bundle.crt
+++ /dev/null
@@ -1,40 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDJjCCAg4CAhnOMA0GCSqGSIb3DQEBBQUAMH0xCzAJBgNVBAYTAlVTMQswCQYD
-VQQIDAJDQTEWMBQGA1UEBwwNU2FuIEZyYW5jaXNjbzEZMBcGA1UECgwQU3Ryb25n
-TG9vcCwgSW5jLjESMBAGA1UECwwJU3Ryb25nT3BzMRowGAYDVQQDDBFjYS5zdHJv
-bmdsb29wLmNvbTAeFw0xNTEyMDgyMzM1MzNaFw00MzA0MjQyMzM1MzNaMBkxFzAV
-BgNVBAMMDnN0cm9uZ2xvb3AuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
-CgKCAQEAwOYI7OZ2FX/YjRgLZoDQlbPc5UZXU/j0e1wwiJNPtPEax9Y5Uoza0Pnt
-Ikzkc2SfvQ+IJrhXo385tI0W5juuqbHnE7UrjUuPjUX6NHevkxcs/flmjan5wnZM
-cPsGhH71WDuUEEflvZihf2Se2x+xgZtMhc5XGmVmRuZFYKvkgUhA2/w8/QrK+jPT
-n9QRJxZjWNh2RBdC1B7u4jffSmOSUljYFH1I2eTeY+Rdi6YUIYSU9gEoZxsv3Tia
-SomfMF5jt2Mouo6MzA+IhLvvFjcrcph1Qxgi9RkfdCMMd+Ipm9YWELkyG1bDRpQy
-0iyHD4gvVsAqz1Y2KdRSdc3Kt+nTqwIDAQABoxkwFzAVBgNVHREEDjAMhwQAAAAA
-hwR/AAABMA0GCSqGSIb3DQEBBQUAA4IBAQAhy4J0hML3NgmDRHdL5/iTucBe22Mf
-jJjg2aifD1S187dHm+Il4qZNO2plWwAhN0h704f+8wpsaALxUvBIu6nvlvcMP5PH
-jGN5JLe2Km3UaPvYOQU2SgacLilu+uBcIo2JSHLV6O7ziqUj5Gior6YxDLCtEZie
-Ea8aX5/YjuACtEMJ1JjRqjgkM66XAoUe0E8onOK3FgTIO3tGoTJwRp0zS50pFuP0
-PsZtT04ck6mmXEXXknNoAyBCvPypfms9OHqcUIW9fiQnrGbS/Ri4QSQYj0DtFk/1
-na4fY1gf3zTHxH8259b/TOOaPfTnCEsOQtjUrWNR4xhmVZ+HJy4yytUW
------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
-MIIDbzCCAlcCAmm6MA0GCSqGSIb3DQEBCwUAMH0xCzAJBgNVBAYTAlVTMQswCQYD
-VQQIDAJDQTEWMBQGA1UEBwwNU2FuIEZyYW5jaXNjbzEZMBcGA1UECgwQU3Ryb25n
-TG9vcCwgSW5jLjESMBAGA1UECwwJU3Ryb25nT3BzMRowGAYDVQQDDBFjYS5zdHJv
-bmdsb29wLmNvbTAeFw0xNTEyMDgyMzM1MzNaFw00MzA0MjQyMzM1MzNaMH0xCzAJ
-BgNVBAYTAlVTMQswCQYDVQQIDAJDQTEWMBQGA1UEBwwNU2FuIEZyYW5jaXNjbzEZ
-MBcGA1UECgwQU3Ryb25nTG9vcCwgSW5jLjESMBAGA1UECwwJU3Ryb25nT3BzMRow
-GAYDVQQDDBFjYS5zdHJvbmdsb29wLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP
-ADCCAQoCggEBANfj86jkvvYDjHBgiqWhk9Cj+bqiMq3MqnV0CBO4iuK33Fo6XssE
-H+yVdXlIBFbFe6t655MdBVOR2Sfj7WqNh96vhu6PyDHiwcQlTaiLU6nhIed1J4Wv
-lvnJHFmp8Wbtx5AgLT4UYu03ftvXEl2DLi3vhSL2tRM1ebXHB/KPbRWkb25DPX0P
-foOHot3f2dgNe2x6kponf7E/QDmAu3s7Nlkfh+ryDhgGU7wocXEhXbprNqRqOGNo
-xbXgUI+/9XDxYT/7Gn5LF/fPjtN+aB0SKMnTsDhprVlZie83mlqJ46fOOrR+vrsQ
-mi/1m/TadrARtZoIExC/cQRdVM05EK4tUa8CAwEAATANBgkqhkiG9w0BAQsFAAOC
-AQEAQ7k5WhyhDTIGYCNzRnrMHWSzGqa1y4tJMW06wafJNRqTm1cthq1ibc6Hfq5a
-K10K0qMcgauRTfQ1MWrVCTW/KnJ1vkhiTOH+RvxapGn84gSaRmV6KZen0+gMsgae
-KEGe/3Hn+PmDVV+PTamHgPACfpTww38WHIe/7Ce9gHfG7MZ8cKHNZhDy0IAYPln+
-YRwMLd7JNQffHAbWb2CE1mcea4H/12U8JZW5tHCF6y9V+7IuDzqwIrLKcW3lG17n
-VUG6ODF/Ryqn3V5X+TL91YyXi6c34y34IpC7MQDV/67U7+5Bp5CfeDPWW2wVSrW+
-uGZtfEvhbNm6m2i4UNmpCXxUZQ==
------END CERTIFICATE-----
diff --git a/deps/npm/node_modules/node-gyp/test/fixtures/ca.crt b/deps/npm/node_modules/node-gyp/test/fixtures/ca.crt
deleted file mode 100644
index aaf97575b18b4c..00000000000000
--- a/deps/npm/node_modules/node-gyp/test/fixtures/ca.crt
+++ /dev/null
@@ -1,21 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDZDCCAkwCCQCAzfCLqrJvuTANBgkqhkiG9w0BAQsFADB0MQswCQYDVQQGEwJV
-UzELMAkGA1UECAwCQ0ExEDAOBgNVBAoMB05vZGUuanMxETAPBgNVBAsMCG5vZGUt
-Z3lwMRIwEAYDVQQDDAlsb2NhbGhvc3QxHzAdBgkqhkiG9w0BCQEWEGJ1aWxkQG5v
-ZGVqcy5vcmcwHhcNMTkwNjIyMDYyMjMzWhcNMjIwNDExMDYyMjMzWjB0MQswCQYD
-VQQGEwJVUzELMAkGA1UECAwCQ0ExEDAOBgNVBAoMB05vZGUuanMxETAPBgNVBAsM
-CG5vZGUtZ3lwMRIwEAYDVQQDDAlsb2NhbGhvc3QxHzAdBgkqhkiG9w0BCQEWEGJ1
-aWxkQG5vZGVqcy5vcmcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDS
-CHjvtVW4HdbbUwZ/ZV9s6U4x0KSoyNQrsCZjB8kRpFPe50DS5mfmu2SNBGYKRgzk
-4QEEwFB9N2o8YTWsCefSRl6ti4ToPZqulU4hhRKYrEGtMJcRzi3IN7s200JaO3UH
-01Su8ruO0NESb5zEU1Ykfh8Lub8TGEAINmgI61d/5d5Aq3kDjUHQJt1Ekw03Ylnu
-juQyCGZxLxnngu0mIvwzyL/UeeUgsfQLzvppUk6In7tC1zzMjSPWo0c8qu6KvrW4
-bKYnkZkzdQifzbpO5ERMEsh5HWq0uHa6+dgcVHFvlhdqF4Uat87ygNplVf0txsZB
-MNVqbz1k6xkZYMnzDoydAgMBAAEwDQYJKoZIhvcNAQELBQADggEBADspZGtKpWxy
-J1W3FA1aeQhMvequQTcMRz4avkm4K4HfTdV1iVD4CbvdezBphouBlyLVLDFJP7RZ
-m7dBJVgBwnxufoFLne8cR2MGqDRoySbFT1AtDJdxabE6Fg+QGUpgOQfeBJ6ANlSB
-+qJ+HG4QA+Ouh5hxz9mgYwkIsMUABHiwENdZ/kT8Edw4xKgd3uH0YP4iiePMD66c
-rzW3uXH5J1jnKgBlpxtog4P6dHCcoq+PZJ17W5bdXNyqC1LPzQqniZ2BNcEZ4ix3
-slAZAOWD1zLLGJhBPMV1fa0sHNBWc6oicr3YK/IDb0cp9kiLvnUu1pHy+LWQGqtC
-rceJuGsnJEQ=
------END CERTIFICATE-----
diff --git a/deps/npm/node_modules/node-gyp/test/fixtures/certs.js b/deps/npm/node_modules/node-gyp/test/fixtures/certs.js
new file mode 100644
index 00000000000000..766e54b5ed3900
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/test/fixtures/certs.js
@@ -0,0 +1,150 @@
+module.exports['ca.key'] = `
+-----BEGIN RSA PRIVATE KEY-----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+/cs1Ze3vnrtCHudVajocFjydb8B4c62DbA4/T+LcUw/HaMaORbOoICQidi/zZ1Lj
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++JVqg8HDnAR0KF+x38a9MVP7ixgXCuy19t+XxfY269HmLjTlArWV671D4GCSPRGy
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+5JJ+JGKRKoCxs3DmSVyns0gU4j4rVte97UWyVy5TZ8Acr/qrgOA1
+-----END RSA PRIVATE KEY-----
+`
+
+module.exports['ca.crt'] = `
+-----BEGIN CERTIFICATE-----
+MIIDmzCCAoOgAwIBAgIUDA0GrvcnG41XT6LYFeNwvq8YV1UwDQYJKoZIhvcNAQEL
+BQAwXTELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAkNBMRAwDgYDVQQKDAdOb2RlLmpz
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+GbN8uKxIfyMjqZKaujPR
+-----END CERTIFICATE-----
+`
+
+module.exports['server.key'] = `
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpAIBAAKCAQEAvPM99BkYrBcTM355dhz4XzhSDRGxa9qttUlBSgEsbu2UjsRm
+XjDS+60XXd66tWpPwLeUd2uvlC/ltv5ekv+EBu35j1KfA1+K1rtFzb1i40kMCsns
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+mAbNVLez0D5/ja9r/WTVgW9hXFDLF/iVvS4TE/SGrj2WzYF35RsPbVmUDIrwpsBX
+/EfsQaA/JCn8VIBTkR31Bg4QLBjAfijMY22MaHgZIXv83lF1SE2o1ATKpCHqzFx9
+K8vK9e22PZUJPGaOhqjEA13TAoGAEPipSJFw38/6NmInfkjd84EFxmkAoBI5k/vV
+36aOoyl7s40MTYEPXavCF3fLPVfuwUXhmKUcbkiXhlIX4De3y15e1n66fjDc8EVY
+qqTmzQKCpBwMlI5Ld65yjoo6VW0SsiABIlRSfIY5NHXd7YiV4ZXNj6+aMUIRxyWu
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+Tz8F7OfC+FoUb0MGjXHKquDVBDs4xSuS+Ol+rlZEK68ALpm8sUgp6YjARYiXlprs
+6o4kN0P5F+DVU2SP6fo9zKLCxaTH9VAQ9C3VUViGAFLBt4DVDmj77g==
+-----END RSA PRIVATE KEY-----
+`
+
+module.exports['server.crt'] = `
+-----BEGIN CERTIFICATE-----
+MIIDNzCCAh8CFBg1Ph5t5rBlAbCrEn/PexNy9WunMA0GCSqGSIb3DQEBCwUAMF0x
+CzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTEQMA4GA1UECgwHTm9kZS5qczERMA8G
+A1UECwwIbm9kZS1neXAxHDAaBgNVBAMME25vZGUtZ3lwLm5vZGVqcy5vcmcwHhcN
+MjIwNTExMDQyMjI0WhcNMjMwOTIzMDQyMjI0WjBTMQswCQYDVQQGEwJVUzELMAkG
+A1UECAwCQ0ExEDAOBgNVBAoMB05vZGUuanMxETAPBgNVBAsMCG5vZGUtZ3lwMRIw
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+ak/At5R3a6+UL+W2/l6S/4QG7fmPUp8DX4rWu0XNvWLjSQwKyew6heOCmw3bC+TE
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+JsE4eG1xaGmHq7w9eV0neOaZ58XCuF1sSEMIy9uMnl3aOdctxh/1SYkqJyMct79q
+Ra2UZ6mauRlOeqdHb+HZKrFYYUOtd1HOWWJ44Gaya2EQMiTbd/Ns9Th2KTbTOCbL
+CHFNska9Ty2ioT7VcrVuIEXFPMua5T4lnCkNJQla800pHHOak2baN/c66Io+8XI2
+xiqaVrLT3qvpzdiiEjo4POeRnWMIgJJshy77Am5JlhaJiAqP1AHfh/tYpliGkjXF
+8DSgSoLHSQfalJ4VQvP4XLc/XnmF5Zt6bvwUxCllEBFRneU74bW7/euYX/TpYobr
+Y+YM7fGiCqwHdUs=
+-----END CERTIFICATE-----
+`
+
+module.exports['ca-bundle.crt'] = `
+-----BEGIN CERTIFICATE-----
+MIIDJjCCAg4CAhnOMA0GCSqGSIb3DQEBBQUAMH0xCzAJBgNVBAYTAlVTMQswCQYD
+VQQIDAJDQTEWMBQGA1UEBwwNU2FuIEZyYW5jaXNjbzEZMBcGA1UECgwQU3Ryb25n
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+na4fY1gf3zTHxH8259b/TOOaPfTnCEsOQtjUrWNR4xhmVZ+HJy4yytUW
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+MIIDbzCCAlcCAmm6MA0GCSqGSIb3DQEBCwUAMH0xCzAJBgNVBAYTAlVTMQswCQYD
+VQQIDAJDQTEWMBQGA1UEBwwNU2FuIEZyYW5jaXNjbzEZMBcGA1UECgwQU3Ryb25n
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+uGZtfEvhbNm6m2i4UNmpCXxUZQ==
+-----END CERTIFICATE-----
+`
diff --git a/deps/npm/node_modules/node-gyp/test/fixtures/server.crt b/deps/npm/node_modules/node-gyp/test/fixtures/server.crt
deleted file mode 100644
index 5d0c440e0788ac..00000000000000
--- a/deps/npm/node_modules/node-gyp/test/fixtures/server.crt
+++ /dev/null
@@ -1,21 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDYjCCAkoCCQCSlmGR7KzZGTANBgkqhkiG9w0BAQsFADB0MQswCQYDVQQGEwJV
-UzELMAkGA1UECAwCQ0ExEDAOBgNVBAoMB05vZGUuanMxETAPBgNVBAsMCG5vZGUt
-Z3lwMRIwEAYDVQQDDAlsb2NhbGhvc3QxHzAdBgkqhkiG9w0BCQEWEGJ1aWxkQG5v
-ZGVqcy5vcmcwHhcNMTkwNjIyMDYyNTU1WhcNMjkwNjE5MDYyNTU1WjByMQswCQYD
-VQQGEwJVUzELMAkGA1UECAwCQ0ExEDAOBgNVBAoMB05vZGUuanMxETAPBgNVBAsM
-CG5vZGUtZ3lwMRIwEAYDVQQDDAlsb2NhbGhvc3QxHTAbBgkqhkiG9w0BCQEWDmJ1
-aWxkQGlvanMub3JnMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6S1E
-2WchgmbJYqCnpN7310ZgHjIOqeJe6MpSue2u6z6mTNd5izgvQNaANmn3xLFCS5zs
-uZaTvdPYPkcmSQzb1YcZSUYnAxZifjYARc6kb5GSBl3q+O70ELyFrimXfZ4JI+bd
-IG9KiHY17DlvZZZj/csGYVWWg0mkeH3O5LPX6/DXQVh/9+gZ02/cdIBCAtZHQwqx
-7tF/qZA/kD4GZNFpU1DYHzf9H6g9htoCqmNHQWrV2T9yFybt6mbZp9kglBmyKYCc
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-3ikvWD5JeXlm7Dfw+tjijdxM/sEoDWErGup4mMKMd1s5s830p+ITJUa50d0DLFdH
-mqPSbUZF8mMPwGJd+nu1Ht3gTLtK7+gYJgGtXMJmGC0Qg77EJHDB2NbotgDGNmSU
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-a5T/N9xU
------END CERTIFICATE-----
diff --git a/deps/npm/node_modules/node-gyp/test/fixtures/server.key b/deps/npm/node_modules/node-gyp/test/fixtures/server.key
deleted file mode 100644
index a8447391e02e2f..00000000000000
--- a/deps/npm/node_modules/node-gyp/test/fixtures/server.key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEowIBAAKCAQEA6S1E2WchgmbJYqCnpN7310ZgHjIOqeJe6MpSue2u6z6mTNd5
-izgvQNaANmn3xLFCS5zsuZaTvdPYPkcmSQzb1YcZSUYnAxZifjYARc6kb5GSBl3q
-+O70ELyFrimXfZ4JI+bdIG9KiHY17DlvZZZj/csGYVWWg0mkeH3O5LPX6/DXQVh/
-9+gZ02/cdIBCAtZHQwqx7tF/qZA/kD4GZNFpU1DYHzf9H6g9htoCqmNHQWrV2T9y
-Fybt6mbZp9kglBmyKYCc7hmQnb7N/mHn1yIuwhBsirCJTfKH86gN81u8M3+SVHA2
-VUHDllcNhpDWlmInXA+ItHdGZHCp95ohqpCPgQIDAQABAoIBABW8R4ewalo6dJlB
-+n6O3jFt+PW3mtBRLqGqgm2cb0q0a1IMX+MPWLBFjmwEErl+AH0F4rcmBx2Ryr17
-amEy1qcf0caXyHksNAApznqzWXag7iizxnxv4cZRnHBwphNqkNWM5p3oYd04j6w2
-amDg1O9KZozaKo6QZclpiMiezwjKG+PVZLT8p7afswjv+yDWPDByhlcGiye9QD1T
-VuZ0QCoXp6N/8JxW0gdkLp9NqFvGeGFzJ5h6L+d7A6BWw8akXrBRHHcKkyvVYBfd
-myhSzSK4FPFMaxaEY/65FlVSyAO6ezGm3Umx4g7mkFjLdwKWaIOjkBkPeFgl3Pp4
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-ryMXfunY43moLKpajGwgTKRGvdqFtK08AAkaCssiAPkP3rZuZvMTF4sLo/vlWrjP
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-byzQ5Cs5wA5uMbhYTA7kgXOs1bvgQqmlLmyL6FfHkucoMhr2Di7VeGf4OxE26JZ8
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-jT9MaLXALB+dc8DIpU4swpHTaxP6qyUIrbcReTEolJSU6Ci16BxiwRkVU8D3yMYJ
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-m/PRaMsnOzfCM2JniYEe7QKBgGwjnxhB4tgDtaWCue/pcZc3gzS2IJS2e8N6mzie
-l6Ajhu+FdOHZldrotUuc+la61OxwsVYmDeWR4VftAPGYDj3PPSX1RRl9R5wSRGLB
-2wBASQvew6CMdNqtDIh8N56BUzHnwh/mHKzBHuwO6hDSHFsUITtLAY7bwGKRq55Z
-fUmfAoGBANOYFyoJoDLcl+Jd750lyqfCifcGtkRdmZMtrPXaYnD8ZGme9vz1vsK/
-4iUkV3mi7Z9s1LXMa/tPPfKdVhCM1PXost3/si0+u1Bz5yKqEPXlyy2ltpIVyGu8
-yiy7y75asp8Iii/1cgtwyp9+VeSif8wJ+MHQoGdGxvAQP80R3EjF
------END RSA PRIVATE KEY-----
diff --git a/deps/npm/node_modules/node-gyp/test/test-configure-python.js b/deps/npm/node_modules/node-gyp/test/test-configure-python.js
index 4290e7af1bb1c8..aacd75f7c72944 100644
--- a/deps/npm/node_modules/node-gyp/test/test-configure-python.js
+++ b/deps/npm/node_modules/node-gyp/test/test-configure-python.js
@@ -14,7 +14,9 @@ const configure = requireInject('../lib/configure', {
     mkdir: function (dir, options, cb) { cb() },
     promises: {
       writeFile: function (file, data) { return Promise.resolve(null) }
-    }
+    },
+    unlink: function (path, cb) { cb() },
+    symlink: function (target, path, cb) { cb() }
   }
 })
 
diff --git a/deps/npm/node_modules/node-gyp/test/test-download.js b/deps/npm/node_modules/node-gyp/test/test-download.js
index 71a3c0d092dfe4..c4caad9e8346d3 100644
--- a/deps/npm/node_modules/node-gyp/test/test-download.js
+++ b/deps/npm/node_modules/node-gyp/test/test-download.js
@@ -12,6 +12,7 @@ const devDir = require('./common').devDir()
 const rimraf = require('rimraf')
 const gyp = require('../lib/node-gyp')
 const log = require('npmlog')
+const certs = require('./fixtures/certs')
 
 log.level = 'warn'
 
@@ -40,12 +41,12 @@ test('download over http', async (t) => {
 test('download over https with custom ca', async (t) => {
   t.plan(3)
 
-  const cafile = path.join(__dirname, '/fixtures/ca.crt')
-  const [cert, key, ca] = await Promise.all([
-    fs.promises.readFile(path.join(__dirname, 'fixtures/server.crt'), 'utf8'),
-    fs.promises.readFile(path.join(__dirname, 'fixtures/server.key'), 'utf8'),
-    install.test.readCAFile(cafile)
-  ])
+  const cafile = path.join(__dirname, 'fixtures/ca.crt')
+  const cacontents = certs['ca.crt']
+  const cert = certs['server.crt']
+  const key = certs['server.key']
+  await fs.promises.writeFile(cafile, cacontents, 'utf8')
+  const ca = await install.test.readCAFile(cafile)
 
   t.strictEqual(ca.length, 1)
 
@@ -55,7 +56,10 @@ test('download over https with custom ca', async (t) => {
     res.end('ok')
   })
 
-  t.tearDown(() => new Promise((resolve) => server.close(resolve)))
+  t.tearDown(async () => {
+    await new Promise((resolve) => server.close(resolve))
+    await fs.promises.unlink(cafile)
+  })
 
   server.on('clientError', (err) => { throw err })
 
@@ -150,6 +154,12 @@ test('download with missing cafile', async (t) => {
 })
 
 test('check certificate splitting', async (t) => {
+  const cafile = path.join(__dirname, 'fixtures/ca-bundle.crt')
+  const cacontents = certs['ca-bundle.crt']
+  await fs.promises.writeFile(cafile, cacontents, 'utf8')
+  t.tearDown(async () => {
+    await fs.promises.unlink(cafile)
+  })
   const cas = await install.test.readCAFile(path.join(__dirname, 'fixtures/ca-bundle.crt'))
   t.plan(2)
   t.strictEqual(cas.length, 2)
diff --git a/deps/npm/node_modules/nopt/bin/nopt.js b/deps/npm/node_modules/nopt/bin/nopt.js
index 3232d4c570fdcb..bb04291c607acf 100755
--- a/deps/npm/node_modules/nopt/bin/nopt.js
+++ b/deps/npm/node_modules/nopt/bin/nopt.js
@@ -1,54 +1,56 @@
 #!/usr/bin/env node
-var nopt = require("../lib/nopt")
-  , path = require("path")
-  , types = { num: Number
-            , bool: Boolean
-            , help: Boolean
-            , list: Array
-            , "num-list": [Number, Array]
-            , "str-list": [String, Array]
-            , "bool-list": [Boolean, Array]
-            , str: String
-            , clear: Boolean
-            , config: Boolean
-            , length: Number
-            , file: path
-            }
-  , shorthands = { s: [ "--str", "astring" ]
-                 , b: [ "--bool" ]
-                 , nb: [ "--no-bool" ]
-                 , tft: [ "--bool-list", "--no-bool-list", "--bool-list", "true" ]
-                 , "?": ["--help"]
-                 , h: ["--help"]
-                 , H: ["--help"]
-                 , n: [ "--num", "125" ]
-                 , c: ["--config"]
-                 , l: ["--length"]
-                 , f: ["--file"]
-                 }
-  , parsed = nopt( types
-                 , shorthands
-                 , process.argv
-                 , 2 )
+var nopt = require('../lib/nopt')
+var path = require('path')
+var types = { num: Number,
+  bool: Boolean,
+  help: Boolean,
+  list: Array,
+  'num-list': [Number, Array],
+  'str-list': [String, Array],
+  'bool-list': [Boolean, Array],
+  str: String,
+  clear: Boolean,
+  config: Boolean,
+  length: Number,
+  file: path,
+}
+var shorthands = { s: ['--str', 'astring'],
+  b: ['--bool'],
+  nb: ['--no-bool'],
+  tft: ['--bool-list', '--no-bool-list', '--bool-list', 'true'],
+  '?': ['--help'],
+  h: ['--help'],
+  H: ['--help'],
+  n: ['--num', '125'],
+  c: ['--config'],
+  l: ['--length'],
+  f: ['--file'],
+}
+var parsed = nopt(types
+  , shorthands
+  , process.argv
+  , 2)
 
-console.log("parsed", parsed)
+console.log('parsed', parsed)
 
 if (parsed.help) {
-  console.log("")
-  console.log("nopt cli tester")
-  console.log("")
-  console.log("types")
+  console.log('')
+  console.log('nopt cli tester')
+  console.log('')
+  console.log('types')
   console.log(Object.keys(types).map(function M (t) {
     var type = types[t]
     if (Array.isArray(type)) {
-      return [t, type.map(function (type) { return type.name })]
+      return [t, type.map(function (mappedType) {
+        return mappedType.name
+      })]
     }
     return [t, type && type.name]
   }).reduce(function (s, i) {
     s[i[0]] = i[1]
     return s
   }, {}))
-  console.log("")
-  console.log("shorthands")
+  console.log('')
+  console.log('shorthands')
   console.log(shorthands)
 }
diff --git a/deps/npm/node_modules/nopt/lib/nopt.js b/deps/npm/node_modules/nopt/lib/nopt.js
index ecfa5da9336833..5829c2fe0f6379 100644
--- a/deps/npm/node_modules/nopt/lib/nopt.js
+++ b/deps/npm/node_modules/nopt/lib/nopt.js
@@ -1,130 +1,147 @@
 // info about each config option.
 
 var debug = process.env.DEBUG_NOPT || process.env.NOPT_DEBUG
-  ? function () { console.error.apply(console, arguments) }
+  ? function () {
+    console.error.apply(console, arguments)
+  }
   : function () {}
 
-var url = require("url")
-  , path = require("path")
-  , Stream = require("stream").Stream
-  , abbrev = require("abbrev")
-  , os = require("os")
+var url = require('url')
+var path = require('path')
+var Stream = require('stream').Stream
+var abbrev = require('abbrev')
+var os = require('os')
 
 module.exports = exports = nopt
 exports.clean = clean
 
 exports.typeDefs =
-  { String  : { type: String,  validate: validateString  }
-  , Boolean : { type: Boolean, validate: validateBoolean }
-  , url     : { type: url,     validate: validateUrl     }
-  , Number  : { type: Number,  validate: validateNumber  }
-  , path    : { type: path,    validate: validatePath    }
-  , Stream  : { type: Stream,  validate: validateStream  }
-  , Date    : { type: Date,    validate: validateDate    }
+  { String: { type: String, validate: validateString },
+    Boolean: { type: Boolean, validate: validateBoolean },
+    url: { type: url, validate: validateUrl },
+    Number: { type: Number, validate: validateNumber },
+    path: { type: path, validate: validatePath },
+    Stream: { type: Stream, validate: validateStream },
+    Date: { type: Date, validate: validateDate },
   }
 
 function nopt (types, shorthands, args, slice) {
   args = args || process.argv
   types = types || {}
   shorthands = shorthands || {}
-  if (typeof slice !== "number") slice = 2
+  if (typeof slice !== 'number') {
+    slice = 2
+  }
 
   debug(types, shorthands, args, slice)
 
   args = args.slice(slice)
   var data = {}
-    , key
-    , argv = {
-        remain: [],
-        cooked: args,
-        original: args.slice(0)
-      }
+  var argv = {
+    remain: [],
+    cooked: args,
+    original: args.slice(0),
+  }
 
   parse(args, data, argv.remain, types, shorthands)
   // now data is full
   clean(data, types, exports.typeDefs)
   data.argv = argv
   Object.defineProperty(data.argv, 'toString', { value: function () {
-    return this.original.map(JSON.stringify).join(" ")
-  }, enumerable: false })
+    return this.original.map(JSON.stringify).join(' ')
+  },
+  enumerable: false })
   return data
 }
 
 function clean (data, types, typeDefs) {
   typeDefs = typeDefs || exports.typeDefs
   var remove = {}
-    , typeDefault = [false, true, null, String, Array]
+  var typeDefault = [false, true, null, String, Array]
 
   Object.keys(data).forEach(function (k) {
-    if (k === "argv") return
+    if (k === 'argv') {
+      return
+    }
     var val = data[k]
-      , isArray = Array.isArray(val)
-      , type = types[k]
-    if (!isArray) val = [val]
-    if (!type) type = typeDefault
-    if (type === Array) type = typeDefault.concat(Array)
-    if (!Array.isArray(type)) type = [type]
-
-    debug("val=%j", val)
-    debug("types=", type)
-    val = val.map(function (val) {
+    var isArray = Array.isArray(val)
+    var type = types[k]
+    if (!isArray) {
+      val = [val]
+    }
+    if (!type) {
+      type = typeDefault
+    }
+    if (type === Array) {
+      type = typeDefault.concat(Array)
+    }
+    if (!Array.isArray(type)) {
+      type = [type]
+    }
+
+    debug('val=%j', val)
+    debug('types=', type)
+    val = val.map(function (v) {
       // if it's an unknown value, then parse false/true/null/numbers/dates
-      if (typeof val === "string") {
-        debug("string %j", val)
-        val = val.trim()
-        if ((val === "null" && ~type.indexOf(null))
-            || (val === "true" &&
+      if (typeof v === 'string') {
+        debug('string %j', v)
+        v = v.trim()
+        if ((v === 'null' && ~type.indexOf(null))
+            || (v === 'true' &&
                (~type.indexOf(true) || ~type.indexOf(Boolean)))
-            || (val === "false" &&
+            || (v === 'false' &&
                (~type.indexOf(false) || ~type.indexOf(Boolean)))) {
-          val = JSON.parse(val)
-          debug("jsonable %j", val)
-        } else if (~type.indexOf(Number) && !isNaN(val)) {
-          debug("convert to number", val)
-          val = +val
-        } else if (~type.indexOf(Date) && !isNaN(Date.parse(val))) {
-          debug("convert to date", val)
-          val = new Date(val)
+          v = JSON.parse(v)
+          debug('jsonable %j', v)
+        } else if (~type.indexOf(Number) && !isNaN(v)) {
+          debug('convert to number', v)
+          v = +v
+        } else if (~type.indexOf(Date) && !isNaN(Date.parse(v))) {
+          debug('convert to date', v)
+          v = new Date(v)
         }
       }
 
-      if (!types.hasOwnProperty(k)) {
-        return val
+      if (!Object.prototype.hasOwnProperty.call(types, k)) {
+        return v
       }
 
       // allow `--no-blah` to set 'blah' to null if null is allowed
-      if (val === false && ~type.indexOf(null) &&
+      if (v === false && ~type.indexOf(null) &&
           !(~type.indexOf(false) || ~type.indexOf(Boolean))) {
-        val = null
+        v = null
       }
 
       var d = {}
-      d[k] = val
-      debug("prevalidated val", d, val, types[k])
-      if (!validate(d, k, val, types[k], typeDefs)) {
+      d[k] = v
+      debug('prevalidated val', d, v, types[k])
+      if (!validate(d, k, v, types[k], typeDefs)) {
         if (exports.invalidHandler) {
-          exports.invalidHandler(k, val, types[k], data)
+          exports.invalidHandler(k, v, types[k], data)
         } else if (exports.invalidHandler !== false) {
-          debug("invalid: "+k+"="+val, types[k])
+          debug('invalid: ' + k + '=' + v, types[k])
         }
         return remove
       }
-      debug("validated val", d, val, types[k])
+      debug('validated v', d, v, types[k])
       return d[k]
-    }).filter(function (val) { return val !== remove })
+    }).filter(function (v) {
+      return v !== remove
+    })
 
     // if we allow Array specifically, then an empty array is how we
     // express 'no value here', not null.  Allow it.
     if (!val.length && type.indexOf(Array) === -1) {
       debug('VAL HAS NO LENGTH, DELETE IT', val, k, type.indexOf(Array))
       delete data[k]
-    }
-    else if (isArray) {
+    } else if (isArray) {
       debug(isArray, data[k], val)
       data[k] = val
-    } else data[k] = val[0]
+    } else {
+      data[k] = val[0]
+    }
 
-    debug("k=%s val=%j", k, val, data[k])
+    debug('k=%s val=%j', k, val, data[k])
   })
 }
 
@@ -133,17 +150,21 @@ function validateString (data, k, val) {
 }
 
 function validatePath (data, k, val) {
-  if (val === true) return false
-  if (val === null) return true
+  if (val === true) {
+    return false
+  }
+  if (val === null) {
+    return true
+  }
 
   val = String(val)
 
-  var isWin       = process.platform === 'win32'
-    , homePattern = isWin ? /^~(\/|\\)/ : /^~\//
-    , home        = os.homedir()
+  var isWin = process.platform === 'win32'
+  var homePattern = isWin ? /^~(\/|\\)/ : /^~\//
+  var home = os.homedir()
 
   if (home && val.match(homePattern)) {
-    data[k] = path.resolve(home, val.substr(2))
+    data[k] = path.resolve(home, val.slice(2))
   } else {
     data[k] = path.resolve(val)
   }
@@ -151,63 +172,92 @@ function validatePath (data, k, val) {
 }
 
 function validateNumber (data, k, val) {
-  debug("validate Number %j %j %j", k, val, isNaN(val))
-  if (isNaN(val)) return false
+  debug('validate Number %j %j %j', k, val, isNaN(val))
+  if (isNaN(val)) {
+    return false
+  }
   data[k] = +val
 }
 
 function validateDate (data, k, val) {
   var s = Date.parse(val)
-  debug("validate Date %j %j %j", k, val, s)
-  if (isNaN(s)) return false
+  debug('validate Date %j %j %j', k, val, s)
+  if (isNaN(s)) {
+    return false
+  }
   data[k] = new Date(val)
 }
 
 function validateBoolean (data, k, val) {
-  if (val instanceof Boolean) val = val.valueOf()
-  else if (typeof val === "string") {
-    if (!isNaN(val)) val = !!(+val)
-    else if (val === "null" || val === "false") val = false
-    else val = true
-  } else val = !!val
+  if (val instanceof Boolean) {
+    val = val.valueOf()
+  } else if (typeof val === 'string') {
+    if (!isNaN(val)) {
+      val = !!(+val)
+    } else if (val === 'null' || val === 'false') {
+      val = false
+    } else {
+      val = true
+    }
+  } else {
+    val = !!val
+  }
   data[k] = val
 }
 
 function validateUrl (data, k, val) {
+  // Changing this would be a breaking change in the npm cli
+  /* eslint-disable-next-line node/no-deprecated-api */
   val = url.parse(String(val))
-  if (!val.host) return false
+  if (!val.host) {
+    return false
+  }
   data[k] = val.href
 }
 
 function validateStream (data, k, val) {
-  if (!(val instanceof Stream)) return false
+  if (!(val instanceof Stream)) {
+    return false
+  }
   data[k] = val
 }
 
 function validate (data, k, val, type, typeDefs) {
   // arrays are lists of types.
   if (Array.isArray(type)) {
-    for (var i = 0, l = type.length; i < l; i ++) {
-      if (type[i] === Array) continue
-      if (validate(data, k, val, type[i], typeDefs)) return true
+    for (let i = 0, l = type.length; i < l; i++) {
+      if (type[i] === Array) {
+        continue
+      }
+      if (validate(data, k, val, type[i], typeDefs)) {
+        return true
+      }
     }
     delete data[k]
     return false
   }
 
   // an array of anything?
-  if (type === Array) return true
+  if (type === Array) {
+    return true
+  }
 
+  // Original comment:
   // NaN is poisonous.  Means that something is not allowed.
+  // New comment: Changing this to an isNaN check breaks a lot of tests.
+  // Something is being assumed here that is not actually what happens in
+  // practice.  Fixing it is outside the scope of getting linting to pass in
+  // this repo. Leaving as-is for now.
+  /* eslint-disable-next-line no-self-compare */
   if (type !== type) {
-    debug("Poison NaN", k, val, type)
+    debug('Poison NaN', k, val, type)
     delete data[k]
     return false
   }
 
   // explicit list of values
   if (val === type) {
-    debug("Explicitly allowed %j", val)
+    debug('Explicitly allowed %j', val)
     // if (isArray) (data[k] = data[k] || []).push(val)
     // else data[k] = val
     data[k] = val
@@ -216,14 +266,17 @@ function validate (data, k, val, type, typeDefs) {
 
   // now go through the list of typeDefs, validate against each one.
   var ok = false
-    , types = Object.keys(typeDefs)
-  for (var i = 0, l = types.length; i < l; i ++) {
-    debug("test type %j %j %j", k, val, types[i])
+  var types = Object.keys(typeDefs)
+  for (let i = 0, l = types.length; i < l; i++) {
+    debug('test type %j %j %j', k, val, types[i])
     var t = typeDefs[types[i]]
-    if (t &&
-      ((type && type.name && t.type && t.type.name) ? (type.name === t.type.name) : (type === t.type))) {
+    if (t && (
+      (type && type.name && t.type && t.type.name) ?
+        (type.name === t.type.name) :
+        (type === t.type)
+    )) {
       var d = {}
-      ok = false !== t.validate(d, k, val)
+      ok = t.validate(d, k, val) !== false
       val = d[k]
       if (ok) {
         // if (isArray) (data[k] = data[k] || []).push(val)
@@ -233,60 +286,63 @@ function validate (data, k, val, type, typeDefs) {
       }
     }
   }
-  debug("OK? %j (%j %j %j)", ok, k, val, types[i])
+  debug('OK? %j (%j %j %j)', ok, k, val, types[types.length - 1])
 
-  if (!ok) delete data[k]
+  if (!ok) {
+    delete data[k]
+  }
   return ok
 }
 
 function parse (args, data, remain, types, shorthands) {
-  debug("parse", args, data, remain)
+  debug('parse', args, data, remain)
 
-  var key = null
-    , abbrevs = abbrev(Object.keys(types))
-    , shortAbbr = abbrev(Object.keys(shorthands))
+  var abbrevs = abbrev(Object.keys(types))
+  var shortAbbr = abbrev(Object.keys(shorthands))
 
-  for (var i = 0; i < args.length; i ++) {
+  for (var i = 0; i < args.length; i++) {
     var arg = args[i]
-    debug("arg", arg)
+    debug('arg', arg)
 
     if (arg.match(/^-{2,}$/)) {
       // done with keys.
       // the rest are args.
       remain.push.apply(remain, args.slice(i + 1))
-      args[i] = "--"
+      args[i] = '--'
       break
     }
     var hadEq = false
-    if (arg.charAt(0) === "-" && arg.length > 1) {
+    if (arg.charAt(0) === '-' && arg.length > 1) {
       var at = arg.indexOf('=')
       if (at > -1) {
         hadEq = true
-        var v = arg.substr(at + 1)
-        arg = arg.substr(0, at)
+        var v = arg.slice(at + 1)
+        arg = arg.slice(0, at)
         args.splice(i, 1, arg, v)
       }
 
       // see if it's a shorthand
       // if so, splice and back up to re-parse it.
       var shRes = resolveShort(arg, shorthands, shortAbbr, abbrevs)
-      debug("arg=%j shRes=%j", arg, shRes)
+      debug('arg=%j shRes=%j', arg, shRes)
       if (shRes) {
         debug(arg, shRes)
         args.splice.apply(args, [i, 1].concat(shRes))
         if (arg !== shRes[0]) {
-          i --
+          i--
           continue
         }
       }
-      arg = arg.replace(/^-+/, "")
+      arg = arg.replace(/^-+/, '')
       var no = null
-      while (arg.toLowerCase().indexOf("no-") === 0) {
+      while (arg.toLowerCase().indexOf('no-') === 0) {
         no = !no
-        arg = arg.substr(3)
+        arg = arg.slice(3)
       }
 
-      if (abbrevs[arg]) arg = abbrevs[arg]
+      if (abbrevs[arg]) {
+        arg = abbrevs[arg]
+      }
 
       var argType = types[arg]
       var isTypeArray = Array.isArray(argType)
@@ -299,20 +355,24 @@ function parse (args, data, remain, types, shorthands) {
         isTypeArray && argType.indexOf(Array) !== -1
 
       // allow unknown things to be arrays if specified multiple times.
-      if (!types.hasOwnProperty(arg) && data.hasOwnProperty(arg)) {
-        if (!Array.isArray(data[arg]))
+      if (
+        !Object.prototype.hasOwnProperty.call(types, arg) &&
+        Object.prototype.hasOwnProperty.call(data, arg)
+      ) {
+        if (!Array.isArray(data[arg])) {
           data[arg] = [data[arg]]
+        }
         isArray = true
       }
 
       var val
-        , la = args[i + 1]
+      var la = args[i + 1]
 
       var isBool = typeof no === 'boolean' ||
         argType === Boolean ||
         isTypeArray && argType.indexOf(Boolean) !== -1 ||
         (typeof argType === 'undefined' && !hadEq) ||
-        (la === "false" &&
+        (la === 'false' &&
          (argType === null ||
           isTypeArray && ~argType.indexOf(null)))
 
@@ -320,11 +380,13 @@ function parse (args, data, remain, types, shorthands) {
         // just set and move along
         val = !no
         // however, also support --bool true or --bool false
-        if (la === "true" || la === "false") {
+        if (la === 'true' || la === 'false') {
           val = JSON.parse(la)
           la = null
-          if (no) val = !val
-          i ++
+          if (no) {
+            val = !val
+          }
+          i++
         }
 
         // also support "foo":[Boolean, "bar"] and "--foo bar"
@@ -332,49 +394,55 @@ function parse (args, data, remain, types, shorthands) {
           if (~argType.indexOf(la)) {
             // an explicit type
             val = la
-            i ++
-          } else if ( la === "null" && ~argType.indexOf(null) ) {
+            i++
+          } else if (la === 'null' && ~argType.indexOf(null)) {
             // null allowed
             val = null
-            i ++
-          } else if ( !la.match(/^-{2,}[^-]/) &&
+            i++
+          } else if (!la.match(/^-{2,}[^-]/) &&
                       !isNaN(la) &&
-                      ~argType.indexOf(Number) ) {
+                      ~argType.indexOf(Number)) {
             // number
             val = +la
-            i ++
-          } else if ( !la.match(/^-[^-]/) && ~argType.indexOf(String) ) {
+            i++
+          } else if (!la.match(/^-[^-]/) && ~argType.indexOf(String)) {
             // string
             val = la
-            i ++
+            i++
           }
         }
 
-        if (isArray) (data[arg] = data[arg] || []).push(val)
-        else data[arg] = val
+        if (isArray) {
+          (data[arg] = data[arg] || []).push(val)
+        } else {
+          data[arg] = val
+        }
 
         continue
       }
 
       if (argType === String) {
         if (la === undefined) {
-          la = ""
+          la = ''
         } else if (la.match(/^-{1,2}[^-]+/)) {
-          la = ""
-          i --
+          la = ''
+          i--
         }
       }
 
       if (la && la.match(/^-{2,}$/)) {
         la = undefined
-        i --
+        i--
       }
 
       val = la === undefined ? true : la
-      if (isArray) (data[arg] = data[arg] || []).push(val)
-      else data[arg] = val
+      if (isArray) {
+        (data[arg] = data[arg] || []).push(val)
+      } else {
+        data[arg] = val
+      }
 
-      i ++
+      i++
       continue
     }
     remain.push(arg)
@@ -389,14 +457,16 @@ function resolveShort (arg, shorthands, shortAbbr, abbrevs) {
   arg = arg.replace(/^-+/, '')
 
   // if it's an exact known option, then don't go any further
-  if (abbrevs[arg] === arg)
+  if (abbrevs[arg] === arg) {
     return null
+  }
 
   // if it's an exact known shortopt, same deal
   if (shorthands[arg]) {
     // make it an array, if it's a list of words
-    if (shorthands[arg] && !Array.isArray(shorthands[arg]))
+    if (shorthands[arg] && !Array.isArray(shorthands[arg])) {
       shorthands[arg] = shorthands[arg].split(/\s+/)
+    }
 
     return shorthands[arg]
   }
@@ -406,7 +476,7 @@ function resolveShort (arg, shorthands, shortAbbr, abbrevs) {
   if (!singles) {
     singles = Object.keys(shorthands).filter(function (s) {
       return s.length === 1
-    }).reduce(function (l,r) {
+    }).reduce(function (l, r) {
       l[r] = true
       return l
     }, {})
@@ -414,28 +484,32 @@ function resolveShort (arg, shorthands, shortAbbr, abbrevs) {
     debug('shorthand singles', singles)
   }
 
-  var chrs = arg.split("").filter(function (c) {
+  var chrs = arg.split('').filter(function (c) {
     return singles[c]
   })
 
-  if (chrs.join("") === arg) return chrs.map(function (c) {
-    return shorthands[c]
-  }).reduce(function (l, r) {
-    return l.concat(r)
-  }, [])
-
+  if (chrs.join('') === arg) {
+    return chrs.map(function (c) {
+      return shorthands[c]
+    }).reduce(function (l, r) {
+      return l.concat(r)
+    }, [])
+  }
 
   // if it's an arg abbrev, and not a literal shorthand, then prefer the arg
-  if (abbrevs[arg] && !shorthands[arg])
+  if (abbrevs[arg] && !shorthands[arg]) {
     return null
+  }
 
   // if it's an abbr for a shorthand, then use that
-  if (shortAbbr[arg])
+  if (shortAbbr[arg]) {
     arg = shortAbbr[arg]
+  }
 
   // make it an array, if it's a list of words
-  if (shorthands[arg] && !Array.isArray(shorthands[arg]))
+  if (shorthands[arg] && !Array.isArray(shorthands[arg])) {
     shorthands[arg] = shorthands[arg].split(/\s+/)
+  }
 
   return shorthands[arg]
 }
diff --git a/deps/npm/node_modules/nopt/package.json b/deps/npm/node_modules/nopt/package.json
index 12ed02da5a832d..a3cd13d8c714bd 100644
--- a/deps/npm/node_modules/nopt/package.json
+++ b/deps/npm/node_modules/nopt/package.json
@@ -1,14 +1,20 @@
 {
   "name": "nopt",
-  "version": "5.0.0",
+  "version": "6.0.0",
   "description": "Option parsing for Node, supporting types, shorthands, etc. Used by npm.",
-  "author": "Isaac Z. Schlueter  (http://blog.izs.me/)",
+  "author": "GitHub Inc.",
   "main": "lib/nopt.js",
   "scripts": {
     "preversion": "npm test",
     "postversion": "npm publish",
     "prepublishOnly": "git push origin --follow-tags",
-    "test": "tap test/*.js"
+    "test": "tap",
+    "lint": "eslint \"**/*.js\"",
+    "postlint": "template-oss-check",
+    "template-oss-apply": "template-oss-apply --force",
+    "lintfix": "npm run lint -- --fix",
+    "snap": "tap",
+    "posttest": "npm run lint"
   },
   "repository": {
     "type": "git",
@@ -19,16 +25,29 @@
   },
   "license": "ISC",
   "dependencies": {
-    "abbrev": "1"
+    "abbrev": "^1.0.0"
   },
   "devDependencies": {
-    "tap": "^14.10.6"
+    "@npmcli/eslint-config": "^3.0.1",
+    "@npmcli/template-oss": "3.5.0",
+    "tap": "^16.3.0"
+  },
+  "tap": {
+    "lines": 87,
+    "functions": 91,
+    "branches": 81,
+    "statements": 87
   },
   "files": [
-    "bin",
-    "lib"
+    "bin/",
+    "lib/"
   ],
   "engines": {
-    "node": ">=6"
+    "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
+  },
+  "templateOSS": {
+    "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
+    "windowsCI": false,
+    "version": "3.5.0"
   }
 }
diff --git a/deps/npm/node_modules/socks/build/client/socksclient.js b/deps/npm/node_modules/socks/build/client/socksclient.js
index 40a82a53214a42..05da4baa4b0e39 100644
--- a/deps/npm/node_modules/socks/build/client/socksclient.js
+++ b/deps/npm/node_modules/socks/build/client/socksclient.js
@@ -45,6 +45,7 @@ class SocksClient extends events_1.EventEmitter {
             catch (err) {
                 if (typeof callback === 'function') {
                     callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
                     return resolve(err); // Resolves pending promise (prevents memory leaks).
                 }
                 else {
@@ -68,6 +69,7 @@ class SocksClient extends events_1.EventEmitter {
                 client.removeAllListeners();
                 if (typeof callback === 'function') {
                     callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
                     resolve(err); // Resolves pending promise (prevents memory leaks).
                 }
                 else {
@@ -86,6 +88,7 @@ class SocksClient extends events_1.EventEmitter {
      * @returns { Promise }
      */
     static createConnectionChain(options, callback) {
+        // eslint-disable-next-line no-async-promise-executor
         return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
             // Validate SocksClientChainOptions
             try {
@@ -94,6 +97,7 @@ class SocksClient extends events_1.EventEmitter {
             catch (err) {
                 if (typeof callback === 'function') {
                     callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
                     return resolve(err); // Resolves pending promise (prevents memory leaks).
                 }
                 else {
@@ -106,7 +110,6 @@ class SocksClient extends events_1.EventEmitter {
                 (0, util_1.shuffleArray)(options.proxies);
             }
             try {
-                // tslint:disable-next-line:no-increment-decrement
                 for (let i = 0; i < options.proxies.length; i++) {
                     const nextProxy = options.proxies[i];
                     // If we've reached the last proxy in the chain, the destination is the actual destination, otherwise it's the next proxy.
@@ -140,6 +143,7 @@ class SocksClient extends events_1.EventEmitter {
             catch (err) {
                 if (typeof callback === 'function') {
                     callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
                     resolve(err); // Resolves pending promise (prevents memory leaks).
                 }
                 else {
diff --git a/deps/npm/node_modules/socks/build/client/socksclient.js.map b/deps/npm/node_modules/socks/build/client/socksclient.js.map
index 15d0b565ac33fc..b39f3add4cb597 100644
--- a/deps/npm/node_modules/socks/build/client/socksclient.js.map
+++ b/deps/npm/node_modules/socks/build/client/socksclient.js.map
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/deps/npm/node_modules/socks/build/common/receivebuffer.js.map b/deps/npm/node_modules/socks/build/common/receivebuffer.js.map
index 144edb0b9b336c..af5e2209016951 100644
--- a/deps/npm/node_modules/socks/build/common/receivebuffer.js.map
+++ b/deps/npm/node_modules/socks/build/common/receivebuffer.js.map
@@ -1 +1 @@
-{"version":3,"file":"receivebuffer.js","sourceRoot":"","sources":["../../src/common/receivebuffer.ts"],"names":[],"mappings":";;;AAAA,MAAM,aAAa;IAKjB,YAAY,OAAe,IAAI;QAC7B,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC;QACvC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC;QAChB,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC;IAC3B,CAAC;IAED,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,MAAM,CAAC;IACrB,CAAC;IAED,MAAM,CAAC,IAAY;QACjB,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE;YAC1B,MAAM,IAAI,KAAK,CACb,6DAA6D,CAC9D,CAAC;SACH;QAED,IAAI,IAAI,CAAC,MAAM,GAAG,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE;YACnD,MAAM,GAAG,GAAG,IAAI,CAAC,MAAM,CAAC;YACxB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,WAAW,CAC9B,IAAI,CAAC,GAAG,CACN,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,IAAI,CAAC,YAAY,EACtC,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,IAAI,CAAC,MAAM,CACjC,CACF,CAAC;YACF,GAAG,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;SACvB;QAED,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;QACpC,OAAO,CAAC,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,CAAC;IACtC,CAAC;IAED,IAAI,CAAC,MAAc;QACjB,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,mEAAmE,CACpE,CAAC;SACH;QACD,OAAO,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,MAAM,CAAC,CAAC;IACtC,CAAC;IAED,GAAG,CAAC,MAAc;QAChB,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,mEAAmE,CACpE,CAAC;SACH;QAED,MAAM,KAAK,GAAG,MAAM,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC;QACzC,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,MAAM,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QACzC,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,CAAC,EAAE,MAAM,EAAE,MAAM,GAAG,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,CAAC;QACjE,IAAI,CAAC,MAAM,IAAI,MAAM,CAAC;QAEtB,OAAO,KAAK,CAAC;IACf,CAAC;CACF;AAEO,sCAAa"}
\ No newline at end of file
+{"version":3,"file":"receivebuffer.js","sourceRoot":"","sources":["../../src/common/receivebuffer.ts"],"names":[],"mappings":";;;AAAA,MAAM,aAAa;IAKjB,YAAY,IAAI,GAAG,IAAI;QACrB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC;QACvC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC;QAChB,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC;IAC3B,CAAC;IAED,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,MAAM,CAAC;IACrB,CAAC;IAED,MAAM,CAAC,IAAY;QACjB,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE;YAC1B,MAAM,IAAI,KAAK,CACb,6DAA6D,CAC9D,CAAC;SACH;QAED,IAAI,IAAI,CAAC,MAAM,GAAG,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE;YACnD,MAAM,GAAG,GAAG,IAAI,CAAC,MAAM,CAAC;YACxB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,WAAW,CAC9B,IAAI,CAAC,GAAG,CACN,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,IAAI,CAAC,YAAY,EACtC,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,IAAI,CAAC,MAAM,CACjC,CACF,CAAC;YACF,GAAG,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;SACvB;QAED,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;QACpC,OAAO,CAAC,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,CAAC;IACtC,CAAC;IAED,IAAI,CAAC,MAAc;QACjB,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,mEAAmE,CACpE,CAAC;SACH;QACD,OAAO,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,MAAM,CAAC,CAAC;IACtC,CAAC;IAED,GAAG,CAAC,MAAc;QAChB,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,mEAAmE,CACpE,CAAC;SACH;QAED,MAAM,KAAK,GAAG,MAAM,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC;QACzC,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,MAAM,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QACzC,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,CAAC,EAAE,MAAM,EAAE,MAAM,GAAG,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,CAAC;QACjE,IAAI,CAAC,MAAM,IAAI,MAAM,CAAC;QAEtB,OAAO,KAAK,CAAC;IACf,CAAC;CACF;AAEO,sCAAa"}
\ No newline at end of file
diff --git a/deps/npm/node_modules/socks/build/common/util.js b/deps/npm/node_modules/socks/build/common/util.js
index 283314a0d4456e..f66b72e43e3861 100644
--- a/deps/npm/node_modules/socks/build/common/util.js
+++ b/deps/npm/node_modules/socks/build/common/util.js
@@ -16,7 +16,6 @@ exports.SocksClientError = SocksClientError;
  * @param array The array to shuffle.
  */
 function shuffleArray(array) {
-    // tslint:disable-next-line:no-increment-decrement
     for (let i = array.length - 1; i > 0; i--) {
         const j = Math.floor(Math.random() * (i + 1));
         [array[i], array[j]] = [array[j], array[i]];
diff --git a/deps/npm/node_modules/socks/build/common/util.js.map b/deps/npm/node_modules/socks/build/common/util.js.map
index 8d94a2ace787af..f1993233d693d9 100644
--- a/deps/npm/node_modules/socks/build/common/util.js.map
+++ b/deps/npm/node_modules/socks/build/common/util.js.map
@@ -1 +1 @@
-{"version":3,"file":"util.js","sourceRoot":"","sources":["../../src/common/util.ts"],"names":[],"mappings":";;;AAEA;;GAEG;AACH,MAAM,gBAAiB,SAAQ,KAAK;IAClC,YACE,OAAe,EACR,OAAqD;QAE5D,KAAK,CAAC,OAAO,CAAC,CAAC;QAFR,YAAO,GAAP,OAAO,CAA8C;IAG9D,CAAC;CACF;AAwBuB,4CAAgB;AAtBxC;;;GAGG;AACH,SAAS,YAAY,CAAC,KAAY;IAChC,kDAAkD;IAClD,KAAK,IAAI,CAAC,GAAG,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;QACzC,MAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QAC9C,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC;KAC7C;AACH,CAAC;AAYyC,oCAAY"}
\ No newline at end of file
+{"version":3,"file":"util.js","sourceRoot":"","sources":["../../src/common/util.ts"],"names":[],"mappings":";;;AAEA;;GAEG;AACH,MAAM,gBAAiB,SAAQ,KAAK;IAClC,YACE,OAAe,EACR,OAAqD;QAE5D,KAAK,CAAC,OAAO,CAAC,CAAC;QAFR,YAAO,GAAP,OAAO,CAA8C;IAG9D,CAAC;CACF;AAuBuB,4CAAgB;AArBxC;;;GAGG;AACH,SAAS,YAAY,CAAC,KAAgB;IACpC,KAAK,IAAI,CAAC,GAAG,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;QACzC,MAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QAC9C,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC;KAC7C;AACH,CAAC;AAYyC,oCAAY"}
\ No newline at end of file
diff --git a/deps/npm/node_modules/socks/build/index.js b/deps/npm/node_modules/socks/build/index.js
index 17b6f42df8e5bb..05fbb1d949b486 100644
--- a/deps/npm/node_modules/socks/build/index.js
+++ b/deps/npm/node_modules/socks/build/index.js
@@ -1,7 +1,11 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
diff --git a/deps/npm/node_modules/socks/build/index.js.map b/deps/npm/node_modules/socks/build/index.js.map
index ff654a08e01b32..0e2bcb27b8ba12 100644
--- a/deps/npm/node_modules/socks/build/index.js.map
+++ b/deps/npm/node_modules/socks/build/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;AAAA,uDAAqC"}
\ No newline at end of file
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AAAA,uDAAqC"}
\ No newline at end of file
diff --git a/deps/npm/node_modules/socks/package.json b/deps/npm/node_modules/socks/package.json
index 61c3f1dcf17fdd..ac0b6d39fbdf70 100644
--- a/deps/npm/node_modules/socks/package.json
+++ b/deps/npm/node_modules/socks/package.json
@@ -1,7 +1,7 @@
 {
   "name": "socks",
   "private": false,
-  "version": "2.6.2",
+  "version": "2.7.0",
   "description": "Fully featured SOCKS proxy client supporting SOCKSv4, SOCKSv4a, and SOCKSv5. Includes Bind and Associate functionality.",
   "main": "build/index.js",
   "typings": "typings/index.d.ts",
@@ -34,50 +34,25 @@
   "readmeFilename": "README.md",
   "devDependencies": {
     "@types/ip": "1.1.0",
-    "@types/mocha": "^9.1.0",
-    "@types/node": "^17.0.15",
-    "coveralls": "^3.1.1",
-    "mocha": "^9.2.0",
-    "nyc": "15.1.0",
-    "prettier": "^2.5.1",
-    "socks5-server": "^0.1.1",
-    "ts-node": "^10.4.0",
-    "typescript": "^4.5.5"
+    "@types/mocha": "^9.1.1",
+    "@types/node": "^18.0.6",
+    "@typescript-eslint/eslint-plugin": "^5.30.6",
+    "@typescript-eslint/parser": "^5.30.6",
+    "eslint": "^8.20.0",
+    "mocha": "^10.0.0",
+    "prettier": "^2.7.1",
+    "ts-node": "^10.9.1",
+    "typescript": "^4.7.4"
   },
   "dependencies": {
-    "ip": "^1.1.5",
+    "ip": "^2.0.0",
     "smart-buffer": "^4.2.0"
   },
   "scripts": {
     "prepublish": "npm install -g typescript && npm run build",
     "test": "NODE_ENV=test mocha --recursive --require ts-node/register test/**/*.ts",
     "prettier": "prettier --write ./src/**/*.ts --config .prettierrc.yaml",
-    "coverage": "NODE_ENV=test nyc npm test",
-    "coveralls": "NODE_ENV=test nyc npm test && nyc report --reporter=text-lcov | coveralls",
-    "lint": "tslint --project tsconfig.json 'src/**/*.ts'",
+    "lint": "eslint 'src/**/*.ts'",
     "build": "rm -rf build typings && prettier --write ./src/**/*.ts --config .prettierrc.yaml && tsc -p ."
-  },
-  "nyc": {
-    "extension": [
-      ".ts",
-      ".tsx"
-    ],
-    "include": [
-      "src/*.ts",
-      "src/**/*.ts"
-    ],
-    "exclude": [
-      "**.*.d.ts",
-      "node_modules",
-      "typings"
-    ],
-    "require": [
-      "ts-node/register"
-    ],
-    "reporter": [
-      "json",
-      "html"
-    ],
-    "all": true
   }
 }
diff --git a/deps/npm/node_modules/socks/typings/client/socksclient.d.ts b/deps/npm/node_modules/socks/typings/client/socksclient.d.ts
index d8ce1b965f0e0c..b886d95710b31c 100644
--- a/deps/npm/node_modules/socks/typings/client/socksclient.d.ts
+++ b/deps/npm/node_modules/socks/typings/client/socksclient.d.ts
@@ -1,4 +1,6 @@
 /// 
+/// 
+/// 
 import { EventEmitter } from 'events';
 import { SocksClientOptions, SocksClientChainOptions, SocksRemoteHost, SocksProxy, SocksClientBoundEvent, SocksClientEstablishedEvent, SocksUDPFrameDetails } from '../common/constants';
 import { SocksClientError } from '../common/util';
@@ -7,11 +9,11 @@ declare interface SocksClient {
     on(event: 'error', listener: (err: SocksClientError) => void): this;
     on(event: 'bound', listener: (info: SocksClientBoundEvent) => void): this;
     on(event: 'established', listener: (info: SocksClientEstablishedEvent) => void): this;
-    once(event: string, listener: (...args: any[]) => void): this;
+    once(event: string, listener: (...args: unknown[]) => void): this;
     once(event: 'error', listener: (err: SocksClientError) => void): this;
     once(event: 'bound', listener: (info: SocksClientBoundEvent) => void): this;
     once(event: 'established', listener: (info: SocksClientEstablishedEvent) => void): this;
-    emit(event: string | symbol, ...args: any[]): boolean;
+    emit(event: string | symbol, ...args: unknown[]): boolean;
     emit(event: 'error', err: SocksClientError): boolean;
     emit(event: 'bound', info: SocksClientBoundEvent): boolean;
     emit(event: 'established', info: SocksClientEstablishedEvent): boolean;
@@ -36,7 +38,7 @@ declare class SocksClient extends EventEmitter implements SocksClient {
      * @param callback { Function } An optional callback function.
      * @returns { Promise }
      */
-    static createConnection(options: SocksClientOptions, callback?: Function): Promise;
+    static createConnection(options: SocksClientOptions, callback?: (error: Error | null, info?: SocksClientEstablishedEvent) => void): Promise;
     /**
      * Creates a new SOCKS connection chain to a destination host through 2 or more SOCKS proxies.
      *
@@ -46,7 +48,7 @@ declare class SocksClient extends EventEmitter implements SocksClient {
      * @param callback { Function } An optional callback function.
      * @returns { Promise }
      */
-    static createConnectionChain(options: SocksClientChainOptions, callback?: Function): Promise;
+    static createConnectionChain(options: SocksClientChainOptions, callback?: (error: Error | null, socket?: SocksClientEstablishedEvent) => void): Promise;
     /**
      * Creates a SOCKS UDP Frame.
      * @param options
diff --git a/deps/npm/node_modules/socks/typings/common/constants.d.ts b/deps/npm/node_modules/socks/typings/common/constants.d.ts
index 664795cb180fb9..32a57052835076 100644
--- a/deps/npm/node_modules/socks/typings/common/constants.d.ts
+++ b/deps/npm/node_modules/socks/typings/common/constants.d.ts
@@ -1,4 +1,6 @@
 /// 
+/// 
+/// 
 import { Duplex } from 'stream';
 import { Socket, SocketConnectOpts } from 'net';
 import { RequireOnlyOne } from './util';
diff --git a/deps/npm/node_modules/socks/typings/common/util.d.ts b/deps/npm/node_modules/socks/typings/common/util.d.ts
index 29c539adaabc45..83f20e7b5978e8 100644
--- a/deps/npm/node_modules/socks/typings/common/util.d.ts
+++ b/deps/npm/node_modules/socks/typings/common/util.d.ts
@@ -10,7 +10,7 @@ declare class SocksClientError extends Error {
  * Shuffles a given array.
  * @param array The array to shuffle.
  */
-declare function shuffleArray(array: any[]): void;
+declare function shuffleArray(array: unknown[]): void;
 declare type RequireOnlyOne = Pick> & {
     [K in Keys]?: Required> & Partial, undefined>>;
 }[Keys];
diff --git a/deps/npm/package.json b/deps/npm/package.json
index 6efd43f49e96f4..3641c1475185f4 100644
--- a/deps/npm/package.json
+++ b/deps/npm/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "8.16.0",
+  "version": "8.17.0",
   "name": "npm",
   "description": "a package manager for JavaScript",
   "workspaces": [
@@ -58,11 +58,11 @@
     "@isaacs/string-locale-compare": "^1.1.0",
     "@npmcli/arborist": "^5.0.4",
     "@npmcli/ci-detect": "^2.0.0",
-    "@npmcli/config": "^4.2.0",
+    "@npmcli/config": "^4.2.1",
     "@npmcli/fs": "^2.1.0",
     "@npmcli/map-workspaces": "^2.0.3",
     "@npmcli/package-json": "^2.0.0",
-    "@npmcli/run-script": "^4.2.0",
+    "@npmcli/run-script": "^4.2.1",
     "abbrev": "~1.1.1",
     "archy": "~1.0.0",
     "cacache": "^16.1.1",
@@ -96,8 +96,8 @@
     "mkdirp": "^1.0.4",
     "mkdirp-infer-owner": "^2.0.0",
     "ms": "^2.1.2",
-    "node-gyp": "^9.0.0",
-    "nopt": "^5.0.0",
+    "node-gyp": "^9.1.0",
+    "nopt": "^6.0.0",
     "npm-audit-report": "^3.0.0",
     "npm-install-checks": "^5.0.0",
     "npm-package-arg": "^9.1.0",
diff --git a/deps/npm/test/lib/commands/adduser.js b/deps/npm/test/lib/commands/adduser.js
index 7c7079394f132d..94e58a6d3cb0ef 100644
--- a/deps/npm/test/lib/commands/adduser.js
+++ b/deps/npm/test/lib/commands/adduser.js
@@ -34,9 +34,7 @@ t.test('simple login', async t => {
         '_authtoken=user',
         '-authtoken=user',
         '_authToken=user',
-        '//registry.npmjs.org/:-authtoken=user',
         '//registry.npmjs.org/:_authToken=user',
-        '//registry.npmjs.org/:_authtoken=user',
         '//registry.npmjs.org/:always-auth=user',
         '//registry.npmjs.org/:email=test-email-old@npmjs.org',
       ].join('\n'),
diff --git a/deps/npm/test/lib/commands/edit.js b/deps/npm/test/lib/commands/edit.js
index b2a10be135ad90..22543f8e3cdc6b 100644
--- a/deps/npm/test/lib/commands/edit.js
+++ b/deps/npm/test/lib/commands/edit.js
@@ -1,5 +1,4 @@
 const t = require('tap')
-const fs = require('fs')
 const path = require('path')
 const tspawk = require('../../fixtures/tspawk')
 const { load: loadMockNpm } = require('../../fixtures/mock-npm')
@@ -39,24 +38,13 @@ t.test('npm edit', async t => {
   const { npm, joinedOutput } = await loadMockNpm(t, npmConfig)
 
   const semverPath = path.resolve(npm.prefix, 'node_modules', 'semver')
-  const [scriptShell] = makeSpawnArgs({
+  const [scriptShell, scriptArgs] = makeSpawnArgs({
     event: 'install',
     path: npm.prefix,
     cmd: 'testinstall',
   })
   spawk.spawn('testeditor', [semverPath])
-  spawk.spawn(
-    scriptShell,
-    args => {
-      const lastArg = args[args.length - 1]
-      const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-      const rightFilename = path.basename(lastArg).startsWith('install')
-      const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-        .trim().endsWith('testinstall')
-      return rightExtension && rightFilename && rightContents
-    },
-    { cwd: semverPath }
-  )
+  spawk.spawn(scriptShell, scriptArgs, { cwd: semverPath })
   await npm.exec('edit', ['semver'])
   t.match(joinedOutput(), 'rebuilt dependencies successfully')
 })
@@ -64,24 +52,13 @@ t.test('npm edit', async t => {
 t.test('rebuild failure', async t => {
   const { npm } = await loadMockNpm(t, npmConfig)
   const semverPath = path.resolve(npm.prefix, 'node_modules', 'semver')
-  const [scriptShell] = makeSpawnArgs({
+  const [scriptShell, scriptArgs] = makeSpawnArgs({
     event: 'install',
     path: npm.prefix,
     cmd: 'testinstall',
   })
   spawk.spawn('testeditor', [semverPath])
-  spawk.spawn(
-    scriptShell,
-    args => {
-      const lastArg = args[args.length - 1]
-      const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-      const rightFilename = path.basename(lastArg).startsWith('install')
-      const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-        .trim().endsWith('testinstall')
-      return rightExtension && rightFilename && rightContents
-    },
-    { cwd: semverPath }
-  ).exit(1).stdout('test error')
+  spawk.spawn(scriptShell, scriptArgs, { cwd: semverPath }).exit(1).stdout('test error')
   await t.rejects(
     npm.exec('edit', ['semver']),
     { message: 'command failed' }
@@ -108,24 +85,13 @@ t.test('npm edit editor has flags', async t => {
   })
 
   const semverPath = path.resolve(npm.prefix, 'node_modules', 'semver')
-  const [scriptShell] = makeSpawnArgs({
+  const [scriptShell, scriptArgs] = makeSpawnArgs({
     event: 'install',
     path: npm.prefix,
     cmd: 'testinstall',
   })
   spawk.spawn('testeditor', ['--flag', semverPath])
-  spawk.spawn(
-    scriptShell,
-    args => {
-      const lastArg = args[args.length - 1]
-      const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-      const rightFilename = path.basename(lastArg).startsWith('install')
-      const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-        .trim().endsWith('testinstall')
-      return rightExtension && rightFilename && rightContents
-    },
-    { cwd: semverPath }
-  )
+  spawk.spawn(scriptShell, scriptArgs, { cwd: semverPath })
   await npm.exec('edit', ['semver'])
 })
 
diff --git a/deps/npm/test/lib/commands/exec.js b/deps/npm/test/lib/commands/exec.js
index 6e4c3e2246a6ab..f2bccf9e0d85c5 100644
--- a/deps/npm/test/lib/commands/exec.js
+++ b/deps/npm/test/lib/commands/exec.js
@@ -28,6 +28,7 @@ t.test('registry package', async t => {
 
   const { npm } = await loadMockNpm(t, {
     config: {
+      audit: false,
       yes: true,
     },
     prefixDir: {
@@ -43,7 +44,46 @@ t.test('registry package', async t => {
   })
 
   await registry.package({
-    times: 2,
+    manifest,
+    tarballs: {
+      '1.0.0': path.join(npm.prefix, 'npm-exec-test'),
+    } })
+
+  await npm.exec('exec', ['@npmcli/npx-test'])
+  const exists = await fs.stat(path.join(npm.prefix, 'npm-exec-test-success'))
+  t.ok(exists.isFile(), 'bin ran, creating file')
+})
+
+t.test('--prefix', async t => {
+  const registry = new MockRegistry({
+    tap: t,
+    registry: 'https://registry.npmjs.org/',
+  })
+
+  const manifest = registry.manifest({ name: '@npmcli/npx-test' })
+  manifest.versions['1.0.0'].bin = { 'npx-test': 'index.js' }
+
+  const { npm } = await loadMockNpm(t, {
+    config: {
+      audit: false,
+      yes: true,
+    },
+    prefixDir: {
+      'npm-exec-test': {
+        'package.json': JSON.stringify(manifest),
+        'index.js': `#!/usr/bin/env node
+  require('fs').writeFileSync('npm-exec-test-success', '')`,
+      },
+    },
+    globals: ({ prefix }) => ({
+      'process.cwd': () => prefix,
+    }),
+  })
+
+  // This is what `--prefix` does
+  npm.globalPrefix = npm.localPrefix
+
+  await registry.package({
     manifest,
     tarballs: {
       '1.0.0': path.join(npm.prefix, 'npm-exec-test'),
@@ -65,6 +105,7 @@ t.test('workspaces', async t => {
 
   const { npm } = await loadMockNpm(t, {
     config: {
+      audit: false,
       yes: true,
       workspace: ['workspace-a'],
     },
diff --git a/deps/npm/test/lib/commands/init.js b/deps/npm/test/lib/commands/init.js
index e7b2739341437c..2dcca5b7f0adc5 100644
--- a/deps/npm/test/lib/commands/init.js
+++ b/deps/npm/test/lib/commands/init.js
@@ -371,7 +371,7 @@ t.test('workspaces', t => {
     })
     const init = new Init(npm)
     await init.execWorkspaces([], ['a'])
-    const output = npm._mockOutputs.map(arr => arr.map(i => i.replace(/[0-9]*ms$/, '100ms')))
+    const output = npm._mockOutputs.map(arr => arr.map(i => i.replace(/[0-9]*m?s$/, '100ms')))
     t.matchSnapshot(output, 'should print helper info')
     const lockFilePath = resolve(npm.localPrefix, 'package-lock.json')
     const lockFile = fs.readFileSync(lockFilePath, { encoding: 'utf8' })
diff --git a/deps/npm/test/lib/commands/restart.js b/deps/npm/test/lib/commands/restart.js
index bfbe715e8c688d..c2257b8cebf84a 100644
--- a/deps/npm/test/lib/commands/restart.js
+++ b/deps/npm/test/lib/commands/restart.js
@@ -1,5 +1,3 @@
-const fs = require('fs')
-const path = require('path')
 const t = require('tap')
 const tspawk = require('../../fixtures/tspawk')
 const { load: loadMockNpm } = require('../../fixtures/mock-npm')
@@ -26,15 +24,14 @@ t.test('should run restart script from package.json', async t => {
       loglevel: 'silent',
     },
   })
-  const [scriptShell] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-restart.js' })
-  const script = spawk.spawn(scriptShell, (args) => {
-    const lastArg = args[args.length - 1]
-    const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-    const rightFilename = path.basename(lastArg).startsWith('restart')
-    const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-      .trim().endsWith('foo')
-    return rightExtension && rightFilename && rightContents
+  const [scriptShell, scriptArgs] = makeSpawnArgs({
+    path: npm.prefix,
+    cmd: 'node ./test-restart.js',
   })
+  let scriptContent = scriptArgs.pop()
+  scriptContent += ' foo'
+  scriptArgs.push(scriptContent)
+  const script = spawk.spawn(scriptShell, scriptArgs)
   await npm.exec('restart', ['foo'])
   t.ok(script.called, 'script ran')
 })
diff --git a/deps/npm/test/lib/commands/start.js b/deps/npm/test/lib/commands/start.js
index 79c2133bc69fc4..3caaa478f02e3a 100644
--- a/deps/npm/test/lib/commands/start.js
+++ b/deps/npm/test/lib/commands/start.js
@@ -1,5 +1,3 @@
-const fs = require('fs')
-const path = require('path')
 const t = require('tap')
 const tspawk = require('../../fixtures/tspawk')
 const { load: loadMockNpm } = require('../../fixtures/mock-npm')
@@ -26,15 +24,12 @@ t.test('should run start script from package.json', async t => {
       loglevel: 'silent',
     },
   })
-  const [scriptShell] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-start.js' })
-  const script = spawk.spawn(scriptShell, (args) => {
-    const lastArg = args[args.length - 1]
-    const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-    const rightFilename = path.basename(lastArg).startsWith('start')
-    const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-      .trim().endsWith('foo')
-    return rightExtension && rightFilename && rightContents
-  })
+  const [scriptShell, scriptArgs] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-start.js' })
+  // we're calling the script with 'foo' as an argument, so add that to the script
+  let scriptContent = scriptArgs.pop()
+  scriptContent += ' foo'
+  scriptArgs.push(scriptContent)
+  const script = spawk.spawn(scriptShell, scriptArgs)
   await npm.exec('start', ['foo'])
   t.ok(script.called, 'script ran')
 })
diff --git a/deps/npm/test/lib/commands/stop.js b/deps/npm/test/lib/commands/stop.js
index 1a4abd0b3abda7..72c2843adec9d3 100644
--- a/deps/npm/test/lib/commands/stop.js
+++ b/deps/npm/test/lib/commands/stop.js
@@ -1,5 +1,3 @@
-const fs = require('fs')
-const path = require('path')
 const t = require('tap')
 const tspawk = require('../../fixtures/tspawk')
 const { load: loadMockNpm } = require('../../fixtures/mock-npm')
@@ -26,15 +24,11 @@ t.test('should run stop script from package.json', async t => {
       loglevel: 'silent',
     },
   })
-  const [scriptShell] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-stop.js' })
-  const script = spawk.spawn(scriptShell, (args) => {
-    const lastArg = args[args.length - 1]
-    const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-    const rightFilename = path.basename(lastArg).startsWith('stop')
-    const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-      .trim().endsWith('foo')
-    return rightExtension && rightFilename && rightContents
-  })
+  const [scriptShell, scriptArgs] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-stop.js' })
+  let scriptContent = scriptArgs.pop()
+  scriptContent += ' foo'
+  scriptArgs.push(scriptContent)
+  const script = spawk.spawn(scriptShell, scriptArgs)
   await npm.exec('stop', ['foo'])
   t.ok(script.called, 'script ran')
 })
diff --git a/deps/npm/test/lib/commands/test.js b/deps/npm/test/lib/commands/test.js
index c6d3f530bb69e3..a6a6f723afe7d8 100644
--- a/deps/npm/test/lib/commands/test.js
+++ b/deps/npm/test/lib/commands/test.js
@@ -1,5 +1,3 @@
-const fs = require('fs')
-const path = require('path')
 const t = require('tap')
 const tspawk = require('../../fixtures/tspawk')
 const { load: loadMockNpm } = require('../../fixtures/mock-npm')
@@ -26,15 +24,11 @@ t.test('should run test script from package.json', async t => {
       loglevel: 'silent',
     },
   })
-  const [scriptShell] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-test.js' })
-  const script = spawk.spawn(scriptShell, (args) => {
-    const lastArg = args[args.length - 1]
-    const rightExtension = lastArg.endsWith('.cmd') || lastArg.endsWith('.sh')
-    const rightFilename = path.basename(lastArg).startsWith('test')
-    const rightContents = fs.readFileSync(lastArg, { encoding: 'utf8' })
-      .trim().endsWith('foo')
-    return rightExtension && rightFilename && rightContents
-  })
+  const [scriptShell, scriptArgs] = makeSpawnArgs({ path: npm.prefix, cmd: 'node ./test-test.js' })
+  let scriptContent = scriptArgs.pop()
+  scriptContent += ' foo'
+  scriptArgs.push(scriptContent)
+  const script = spawk.spawn(scriptShell, scriptArgs)
   await npm.exec('test', ['foo'])
   t.ok(script.called, 'script ran')
 })

From 83a7ffe71e98b1e0535a86283fd35eeb911b4954 Mon Sep 17 00:00:00 2001
From: Moshe Atlow 
Date: Thu, 11 Aug 2022 22:27:34 +0300
Subject: [PATCH 123/147] assert: add `getCalls` and `reset` to callTracker

PR-URL: https://github.com/nodejs/node/pull/44191
Reviewed-By: Erick Wendel 
Reviewed-By: Benjamin Gruenbaum 
---
 doc/api/assert.md                             |  83 +++++++++++++
 lib/internal/assert/calltracker.js            | 117 +++++++++++++-----
 .../test-assert-calltracker-getCalls.js       |  73 +++++++++++
 3 files changed, 239 insertions(+), 34 deletions(-)
 create mode 100644 test/parallel/test-assert-calltracker-getCalls.js

diff --git a/doc/api/assert.md b/doc/api/assert.md
index 34c0e47ecf0b52..baaf7a6de031f2 100644
--- a/doc/api/assert.md
+++ b/doc/api/assert.md
@@ -322,6 +322,47 @@ function func() {}
 const callsfunc = tracker.calls(func);
 ```
 
+### `tracker.getCalls(fn)`
+
+
+
+* `fn` {Function}.
+
+* Returns: {Array} with all the calls to a tracked function.
+
+* Object {Object}
+  * `thisArg` {Object}
+  * `arguments` {Array} the arguments passed to the tracked function
+
+```mjs
+import assert from 'node:assert';
+
+const tracker = new assert.CallTracker();
+
+function func() {}
+const callsfunc = tracker.calls(func);
+callsfunc(1, 2, 3);
+
+assert.deepStrictEqual(tracker.getCalls(callsfunc),
+                       [{ thisArg: this, arguments: [1, 2, 3 ] }]);
+```
+
+```cjs
+const assert = require('node:assert');
+
+// Creates call tracker.
+const tracker = new assert.CallTracker();
+
+function func() {}
+const callsfunc = tracker.calls(func);
+callsfunc(1, 2, 3);
+
+assert.deepStrictEqual(tracker.getCalls(callsfunc),
+                       [{ thisArg: this, arguments: [1, 2, 3 ] }]);
+```
+
 ### `tracker.report()`
 
 
+
+* `fn` {Function} a tracked function to reset.
+
+reset calls of the call tracker.
+if a tracked function is passed as an argument, the calls will be reset for it.
+if no arguments are passed, all tracked functions will be reset
+
+```mjs
+import assert from 'node:assert';
+
+const tracker = new assert.CallTracker();
+
+function func() {}
+const callsfunc = tracker.calls(func);
+
+callsfunc();
+// Tracker was called once
+tracker.getCalls(callsfunc).length === 1;
+
+tracker.reset(callsfunc);
+tracker.getCalls(callsfunc).length === 0;
+```
+
+```cjs
+const assert = require('node:assert');
+
+function func() {}
+const callsfunc = tracker.calls(func);
+
+callsfunc();
+// Tracker was called once
+tracker.getCalls(callsfunc).length === 1;
+
+tracker.reset(callsfunc);
+tracker.getCalls(callsfunc).length === 0;
+```
+
 ### `tracker.verify()`
 
 
 
 * `digest` {string} The digest algorithm to use.
 * `ikm` {string|ArrayBuffer|Buffer|TypedArray|DataView|KeyObject} The input
-  keying material. It must be at least one byte in length.
+  keying material. Must be provided but can be zero-length.
 * `salt` {string|ArrayBuffer|Buffer|TypedArray|DataView} The salt value. Must
   be provided but can be zero-length.
 * `info` {string|ArrayBuffer|Buffer|TypedArray|DataView} Additional info value.
diff --git a/lib/internal/crypto/hkdf.js b/lib/internal/crypto/hkdf.js
index 7764eb83469e4d..eeb49171f35599 100644
--- a/lib/internal/crypto/hkdf.js
+++ b/lib/internal/crypto/hkdf.js
@@ -3,7 +3,6 @@
 const {
   FunctionPrototypeCall,
   Promise,
-  Uint8Array,
 } = primordials;
 
 const {
@@ -80,9 +79,8 @@ function prepareKey(key) {
   if (isKeyObject(key))
     return key;
 
-  // TODO(@jasnell): createSecretKey should allow using an ArrayBuffer
   if (isAnyArrayBuffer(key))
-    return createSecretKey(new Uint8Array(key));
+    return createSecretKey(key);
 
   key = toBuf(key);
 
diff --git a/lib/internal/crypto/webcrypto.js b/lib/internal/crypto/webcrypto.js
index b7760efaa234c8..df4bb072043def 100644
--- a/lib/internal/crypto/webcrypto.js
+++ b/lib/internal/crypto/webcrypto.js
@@ -494,9 +494,6 @@ async function importGenericSecretKey(
 
       const checkLength = keyData.byteLength * 8;
 
-      if (checkLength === 0 || length === 0)
-        throw lazyDOMException('Zero-length key is not supported', 'DataError');
-
       // The Web Crypto spec allows for key lengths that are not multiples of
       // 8. We don't. Our check here is stricter than that defined by the spec
       // in that we require that algorithm.length match keyData.length * 8 if
diff --git a/src/crypto/crypto_hkdf.cc b/src/crypto/crypto_hkdf.cc
index 79a84c12f55853..bff8cc60c4c13b 100644
--- a/src/crypto/crypto_hkdf.cc
+++ b/src/crypto/crypto_hkdf.cc
@@ -103,20 +103,58 @@ bool HKDFTraits::DeriveBits(
   EVPKeyCtxPointer ctx =
       EVPKeyCtxPointer(EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, nullptr));
   if (!ctx || !EVP_PKEY_derive_init(ctx.get()) ||
-      !EVP_PKEY_CTX_hkdf_mode(ctx.get(),
-                              EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND) ||
       !EVP_PKEY_CTX_set_hkdf_md(ctx.get(), params.digest) ||
-      !EVP_PKEY_CTX_set1_hkdf_salt(
-          ctx.get(), params.salt.data(), params.salt.size()) ||
-      !EVP_PKEY_CTX_set1_hkdf_key(
-          ctx.get(),
-          reinterpret_cast(params.key->GetSymmetricKey()),
-          params.key->GetSymmetricKeySize()) ||
       !EVP_PKEY_CTX_add1_hkdf_info(
           ctx.get(), params.info.data(), params.info.size())) {
     return false;
   }
 
+  // TODO(panva): Once support for OpenSSL 1.1.1 is dropped the whole
+  // of HKDFTraits::DeriveBits can be refactored to use
+  // EVP_KDF which does handle zero length key.
+  if (params.key->GetSymmetricKeySize() != 0) {
+    if (!EVP_PKEY_CTX_hkdf_mode(ctx.get(),
+                                EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND) ||
+        !EVP_PKEY_CTX_set1_hkdf_salt(
+            ctx.get(), params.salt.data(), params.salt.size()) ||
+        !EVP_PKEY_CTX_set1_hkdf_key(ctx.get(),
+                                    reinterpret_cast(
+                                        params.key->GetSymmetricKey()),
+                                    params.key->GetSymmetricKeySize())) {
+      return false;
+    }
+  } else {
+    // Workaround for EVP_PKEY_derive HKDF not handling zero length keys.
+    unsigned char temp_key[EVP_MAX_MD_SIZE];
+    unsigned int len = sizeof(temp_key);
+    if (params.salt.size() != 0) {
+      if (HMAC(params.digest,
+               params.salt.data(),
+               params.salt.size(),
+               nullptr,
+               0,
+               temp_key,
+               &len) == nullptr) {
+        return false;
+      }
+    } else {
+      char salt[EVP_MAX_MD_SIZE] = {0};
+      if (HMAC(params.digest,
+               salt,
+               EVP_MD_size(params.digest),
+               nullptr,
+               0,
+               temp_key,
+               &len) == nullptr) {
+        return false;
+      }
+    }
+    if (!EVP_PKEY_CTX_hkdf_mode(ctx.get(), EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) ||
+        !EVP_PKEY_CTX_set1_hkdf_key(ctx.get(), temp_key, len)) {
+      return false;
+    }
+  }
+
   size_t length = params.length;
   ByteSource::Builder buf(length);
   if (EVP_PKEY_derive(ctx.get(), buf.data(), &length) <= 0)
diff --git a/test/parallel/test-crypto-hkdf.js b/test/parallel/test-crypto-hkdf.js
index 2d6689a486ddb6..ff3abdf291efcd 100644
--- a/test/parallel/test-crypto-hkdf.js
+++ b/test/parallel/test-crypto-hkdf.js
@@ -120,6 +120,8 @@ const {
 
 const algorithms = [
   ['sha256', 'secret', 'salt', 'info', 10],
+  ['sha256', '', '', '', 10],
+  ['sha256', '', 'salt', '', 10],
   ['sha512', 'secret', 'salt', '', 15],
 ];
 if (!common.hasOpenSSL3)
diff --git a/test/parallel/test-webcrypto-derivebits-hkdf.js b/test/parallel/test-webcrypto-derivebits-hkdf.js
index 6c42c3b173123d..922c1b347e3b0c 100644
--- a/test/parallel/test-webcrypto-derivebits-hkdf.js
+++ b/test/parallel/test-webcrypto-derivebits-hkdf.js
@@ -31,7 +31,7 @@ const kDerivedKeys = {
   short: '5040737377307264',
   long: '55736572732073686f756c64207069636b206c6f6e6720706173737068726' +
           '173657320286e6f74207573652073686f72742070617373776f7264732921',
-  // empty: ''
+  empty: ''
 };
 
 const kSalts = {
diff --git a/test/pummel/test-webcrypto-derivebits-pbkdf2.js b/test/pummel/test-webcrypto-derivebits-pbkdf2.js
index a91c9545cd4d3a..6e3e7f532bac28 100644
--- a/test/pummel/test-webcrypto-derivebits-pbkdf2.js
+++ b/test/pummel/test-webcrypto-derivebits-pbkdf2.js
@@ -37,8 +37,7 @@ const kPasswords = {
   long: '55736572732073686f756c64207069636b206c6f6' +
         'e6720706173737068726173657320286e6f742075' +
         '73652073686f72742070617373776f7264732921',
-  // TODO(@jasnell): Zero-length password not currently supported
-  // empty: ''
+  empty: ''
 };
 
 const kSalts = {
@@ -256,110 +255,110 @@ const kDerivations = {
       }
     }
   },
-  // empty: {
-  //   short: {
-  //     'SHA-384': {
-  //       '1': 'e9f0da1e97dfa455f858ce6b9af1ecc0299' +
-  //            'f125ff1a847eb5d4955866f43e604',
-  //       '1000': '7ff7954aeddf41795fc8300666786d49' +
-  //               '74269aa91cc7e93811c953331d56d609',
-  //       '100000': '1c73132b6a55e9d9de2cdbfe1f55bf' +
-  //                 '0ab59fd91f78f109c50096038b8557b147'
-  //     },
-  //     'SHA-512': {
-  //       '1': 'e7e2b41f4887421bcb764eb4a56f63d2502' +
-  //            'e33c764fbdf60626ad42ed9672342',
-  //       '1000': 'd561c4c84e9c60ba4752a2d383bf55ef' +
-  //               'f643fc9e452252d6821e39449350cf72',
-  //       '100000': 'efd00752bc9ffafb5a399dd1d5834e' +
-  //                 '8d2c2b676ecd4b2063fb1fe581d0f1380b'
-  //     },
-  //     'SHA-1': {
-  //       '1': 'a667da47b8f857b7c65f70a6c8e7a06ce0d' +
-  //            '25211a2b6ebaf58dcaaf268b46b1d',
-  //       '1000': '72c92bbd3ddab4789e88e42ad1cda83c' +
-  //               'c0729e6cb5106a577e50d5cf61782481',
-  //       '100000': '06e19e1b83e6480b1554df2b31a2c9' +
-  //                 '2d1bfcf9bc1bdbc8751ff8685bdeef7dc9'
-  //     },
-  //     'SHA-256': {
-  //       '1': '2ddb49243eb3b5912cb260cdd87fb04ef0d' +
-  //            '111bfa44d40a45e02a8a5c3c1518d',
-  //       '1000': '2835f3ed53565420c90951509b0c1173' +
-  //               'b645174f1546ab3ac3e6c85cb471b53b',
-  //       '100000': '80aed905ca32ae0bb2a9d8f532f048' +
-  //                 'a0e672463eef9f83dfa7d88bca726553ea'
-  //     }
-  //   },
-  //   long: {
-  //     'SHA-384': {
-  //       '1': '7b0bcca81dd637a3b3398666619716c5f2b1' +
-  //            'f4a5c24e85c18a9955559e4d7692',
-  //       '1000': '8bb89cf71972fe5acc16fdc5f8cffd2c2' +
-  //               'e7178c086b3bbe61cc1314619135958',
-  //       '100000': '26c6a8ae4bd1fbe715ae478efff3eca' +
-  //                 'e83afa617ed35bd4a3f63c3da76a42d22'
-  //     },
-  //     'SHA-512': {
-  //       '1': 'bb73f8168a8f391d3d54ca892fb72b8e603' +
-  //            '5e37f891e5a70491b94dc05510bc4',
-  //       '1000': '5cacc16cdfbe052cfd73a9891b8c0e78' +
-  //               'b19b2e07eae2423d48fed5e08aa8494b',
-  //       '100000': '87fdfc293392cbf33ecc9b5141a2fe' +
-  //                 'fa74d150499756863c484c0a78b6274d7f'
-  //     },
-  //     'SHA-1': {
-  //       '1': '1f46b40cf2fb3dc41a3d9ced8897b861050' +
-  //            '36810e2bfac7040814bd65d428d67',
-  //       '1000': 'cc5748ecc41288a0e13368543aaa2ef6' +
-  //               '2c97ba7518fa88f6e11c35763fc930b4',
-  //       '100000': '33e2993bf4729dc993fff66e69cc55' +
-  //                 '777135ebfabce533575bce4a96645a742c'
-  //     },
-  //     'SHA-256': {
-  //       '1': '61c935c462c3321c89663545d13a4f6b52b' +
-  //            '5191cfb7479e58dcfe6444d43106c',
-  //       '1000': '1353f7458237ab332ee052e29f829a2a' +
-  //               'b90e72630ea10493b4eecffb9ff89e1d',
-  //       '100000': '79baf80ec582920538801e9d929ce0' +
-  //                 '7084277987488d733a026852c452f06fb4'
-  //     }
-  //   },
-  //   empty: {
-  //     'SHA-384': {
-  //       '1': '4bb042a5c28cee6f66f991c717fd7702677' +
-  //            '87e2bb3031eae270d87d63ad99534',
-  //       '1000': '9cbfe72d194da34e17c821dd1569ef50' +
-  //               'a86eb4d893591776adc6a5c21e0031cf',
-  //       '100000': 'ed6bd7282567abe48d542d067d09f4' +
-  //                 '04bd044ae2cefe11dacc531c4764cd35cd'
-  //     },
-  //     'SHA-512': {
-  //       '1': '6d2ecbbbfb2e6dcd7056faf9af6aa06eae5' +
-  //            '94391db983279a6bf27e0eb228614',
-  //       '1000': 'cb93096c3a02beeb1c5fac36765c9011' +
-  //               'fe99f8d8ea62366048fc98cb98dfea8f',
-  //       '100000': '89e16254ebad5cba72e0aebe1614c7' +
-  //                 'f9b795a7505f2637206ce10a3449a2b8bb'
-  //     },
-  //     'SHA-1': {
-  //       '1': '1e437a1c79d75be61e91141dae20affc489' +
-  //            '2cc99abcc3fe753887bccc8920176',
-  //       '1000': '6e40910ac02ec89cebb9d898b13a09d1' +
-  //               'cd7adf6f8cc08cc473302c8973aa2e19',
-  //       '100000': 'a9e1bebb36bc26d7c997d5483cbc8d' +
-  //                 'e4a419d1e706571342632586ec330a7290'
-  //     },
-  //     'SHA-256': {
-  //       '1': 'f7ce0b653d2d72a4108cf5abe912ffdd777' +
-  //            '616dbbb27a70e8204f3ae2d0f6fad',
-  //       '1000': '4fc58a21c100ce1835b8f9991d738b56' +
-  //               '965d14b24e1761fbdffc69ac5e0b667a',
-  //       '100000': '64a868d4b23af696d3734d0b814d04' +
-  //                 'cdd1ac280128e97653a05f32b49c13a29a'
-  //     }
-  //   }
-  // }
+  empty: {
+    short: {
+      'SHA-384': {
+        '1': 'e9f0da1e97dfa455f858ce6b9af1ecc0299' +
+             'f125ff1a847eb5d4955866f43e604',
+        '1000': '7ff7954aeddf41795fc8300666786d49' +
+                '74269aa91cc7e93811c953331d56d609',
+        '100000': '1c73132b6a55e9d9de2cdbfe1f55bf' +
+                  '0ab59fd91f78f109c50096038b8557b147'
+      },
+      'SHA-512': {
+        '1': 'e7e2b41f4887421bcb764eb4a56f63d2502' +
+             'e33c764fbdf60626ad42ed9672342',
+        '1000': 'd561c4c84e9c60ba4752a2d383bf55ef' +
+                'f643fc9e452252d6821e39449350cf72',
+        '100000': 'efd00752bc9ffafb5a399dd1d5834e' +
+                  '8d2c2b676ecd4b2063fb1fe581d0f1380b'
+      },
+      'SHA-1': {
+        '1': 'a667da47b8f857b7c65f70a6c8e7a06ce0d' +
+             '25211a2b6ebaf58dcaaf268b46b1d',
+        '1000': '72c92bbd3ddab4789e88e42ad1cda83c' +
+                'c0729e6cb5106a577e50d5cf61782481',
+        '100000': '06e19e1b83e6480b1554df2b31a2c9' +
+                  '2d1bfcf9bc1bdbc8751ff8685bdeef7dc9'
+      },
+      'SHA-256': {
+        '1': '2ddb49243eb3b5912cb260cdd87fb04ef0d' +
+             '111bfa44d40a45e02a8a5c3c1518d',
+        '1000': '2835f3ed53565420c90951509b0c1173' +
+                'b645174f1546ab3ac3e6c85cb471b53b',
+        '100000': '80aed905ca32ae0bb2a9d8f532f048' +
+                  'a0e672463eef9f83dfa7d88bca726553ea'
+      }
+    },
+    long: {
+      'SHA-384': {
+        '1': '7b0bcca81dd637a3b3398666619716c5f2b1' +
+             'f4a5c24e85c18a9955559e4d7692',
+        '1000': '8bb89cf71972fe5acc16fdc5f8cffd2c2' +
+                'e7178c086b3bbe61cc1314619135958',
+        '100000': '26c6a8ae4bd1fbe715ae478efff3eca' +
+                  'e83afa617ed35bd4a3f63c3da76a42d22'
+      },
+      'SHA-512': {
+        '1': 'bb73f8168a8f391d3d54ca892fb72b8e603' +
+             '5e37f891e5a70491b94dc05510bc4',
+        '1000': '5cacc16cdfbe052cfd73a9891b8c0e78' +
+                'b19b2e07eae2423d48fed5e08aa8494b',
+        '100000': '87fdfc293392cbf33ecc9b5141a2fe' +
+                  'fa74d150499756863c484c0a78b6274d7f'
+      },
+      'SHA-1': {
+        '1': '1f46b40cf2fb3dc41a3d9ced8897b861050' +
+             '36810e2bfac7040814bd65d428d67',
+        '1000': 'cc5748ecc41288a0e13368543aaa2ef6' +
+                '2c97ba7518fa88f6e11c35763fc930b4',
+        '100000': '33e2993bf4729dc993fff66e69cc55' +
+                  '777135ebfabce533575bce4a96645a742c'
+      },
+      'SHA-256': {
+        '1': '61c935c462c3321c89663545d13a4f6b52b' +
+             '5191cfb7479e58dcfe6444d43106c',
+        '1000': '1353f7458237ab332ee052e29f829a2a' +
+                'b90e72630ea10493b4eecffb9ff89e1d',
+        '100000': '79baf80ec582920538801e9d929ce0' +
+                  '7084277987488d733a026852c452f06fb4'
+      }
+    },
+    empty: {
+      'SHA-384': {
+        '1': '4bb042a5c28cee6f66f991c717fd7702677' +
+             '87e2bb3031eae270d87d63ad99534',
+        '1000': '9cbfe72d194da34e17c821dd1569ef50' +
+                'a86eb4d893591776adc6a5c21e0031cf',
+        '100000': 'ed6bd7282567abe48d542d067d09f4' +
+                  '04bd044ae2cefe11dacc531c4764cd35cd'
+      },
+      'SHA-512': {
+        '1': '6d2ecbbbfb2e6dcd7056faf9af6aa06eae5' +
+             '94391db983279a6bf27e0eb228614',
+        '1000': 'cb93096c3a02beeb1c5fac36765c9011' +
+                'fe99f8d8ea62366048fc98cb98dfea8f',
+        '100000': '89e16254ebad5cba72e0aebe1614c7' +
+                  'f9b795a7505f2637206ce10a3449a2b8bb'
+      },
+      'SHA-1': {
+        '1': '1e437a1c79d75be61e91141dae20affc489' +
+             '2cc99abcc3fe753887bccc8920176',
+        '1000': '6e40910ac02ec89cebb9d898b13a09d1' +
+                'cd7adf6f8cc08cc473302c8973aa2e19',
+        '100000': 'a9e1bebb36bc26d7c997d5483cbc8d' +
+                  'e4a419d1e706571342632586ec330a7290'
+      },
+      'SHA-256': {
+        '1': 'f7ce0b653d2d72a4108cf5abe912ffdd777' +
+             '616dbbb27a70e8204f3ae2d0f6fad',
+        '1000': '4fc58a21c100ce1835b8f9991d738b56' +
+                '965d14b24e1761fbdffc69ac5e0b667a',
+        '100000': '64a868d4b23af696d3734d0b814d04' +
+                  'cdd1ac280128e97653a05f32b49c13a29a'
+      }
+    }
+  }
 };
 
 async function setupBaseKeys() {
diff --git a/test/wpt/status/WebCryptoAPI.json b/test/wpt/status/WebCryptoAPI.json
index a44fd5e550ee6e..1b07f2e44a5d25 100644
--- a/test/wpt/status/WebCryptoAPI.json
+++ b/test/wpt/status/WebCryptoAPI.json
@@ -2,2140 +2,12 @@
   "derive_bits_keys/hkdf.https.any.js": {
     "fail": {
       "expected": [
-        "empty derivedKey, normal salt, SHA-384, with normal info",
-        "empty derivedKey, normal salt, SHA-384, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-384, with normal info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-384, with normal info with null length",
-        "empty derivedKey, normal salt, SHA-384, with normal info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-384, with normal info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-384, with empty info",
-        "empty derivedKey, normal salt, SHA-384, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-384, with empty info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-384, with empty info with null length",
-        "empty derivedKey, normal salt, SHA-384, with empty info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-384, with empty info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-512, with normal info",
-        "empty derivedKey, normal salt, SHA-512, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-512, with normal info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-512, with normal info with null length",
-        "empty derivedKey, normal salt, SHA-512, with normal info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-512, with normal info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-512, with empty info",
-        "empty derivedKey, normal salt, SHA-512, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-512, with empty info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-512, with empty info with null length",
-        "empty derivedKey, normal salt, SHA-512, with empty info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-512, with empty info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-1, with normal info",
-        "empty derivedKey, normal salt, SHA-1, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-1, with normal info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-1, with normal info with null length",
-        "empty derivedKey, normal salt, SHA-1, with normal info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-1, with normal info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-1, with empty info",
-        "empty derivedKey, normal salt, SHA-1, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-1, with empty info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-1, with empty info with null length",
-        "empty derivedKey, normal salt, SHA-1, with empty info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-1, with empty info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-256, with normal info",
-        "empty derivedKey, normal salt, SHA-256, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-256, with normal info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-256, with normal info with null length",
-        "empty derivedKey, normal salt, SHA-256, with normal info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-256, with normal info with missing deriveBits usage",
-        "empty derivedKey, normal salt, SHA-256, with empty info",
-        "empty derivedKey, normal salt, SHA-256, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, normal salt, SHA-256, with empty info with missing deriveKey usage",
-        "empty derivedKey, normal salt, SHA-256, with empty info with null length",
-        "empty derivedKey, normal salt, SHA-256, with empty info with non-multiple of 8 length",
-        "empty derivedKey, normal salt, SHA-256, with empty info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-384, with normal info",
-        "empty derivedKey, empty salt, SHA-384, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-384, with normal info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-384, with normal info with null length",
-        "empty derivedKey, empty salt, SHA-384, with normal info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-384, with normal info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-384, with empty info",
-        "empty derivedKey, empty salt, SHA-384, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-384, with empty info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-384, with empty info with null length",
-        "empty derivedKey, empty salt, SHA-384, with empty info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-384, with empty info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-512, with normal info",
-        "empty derivedKey, empty salt, SHA-512, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-512, with normal info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-512, with normal info with null length",
-        "empty derivedKey, empty salt, SHA-512, with normal info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-512, with normal info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-512, with empty info",
-        "empty derivedKey, empty salt, SHA-512, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-512, with empty info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-512, with empty info with null length",
-        "empty derivedKey, empty salt, SHA-512, with empty info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-512, with empty info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-1, with normal info",
-        "empty derivedKey, empty salt, SHA-1, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-1, with normal info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-1, with normal info with null length",
-        "empty derivedKey, empty salt, SHA-1, with normal info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-1, with normal info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-1, with empty info",
-        "empty derivedKey, empty salt, SHA-1, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-1, with empty info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-1, with empty info with null length",
-        "empty derivedKey, empty salt, SHA-1, with empty info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-1, with empty info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-256, with normal info",
-        "empty derivedKey, empty salt, SHA-256, with normal info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-256, with normal info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-256, with normal info with null length",
-        "empty derivedKey, empty salt, SHA-256, with normal info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-256, with normal info with missing deriveBits usage",
-        "empty derivedKey, empty salt, SHA-256, with empty info",
-        "empty derivedKey, empty salt, SHA-256, with empty info with 0 length",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CBC length: 128  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CBC length: 192  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CBC length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CTR length: 128  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CTR length: 192  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-CTR length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-GCM length: 128  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-GCM length: 192  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-GCM length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-KW length: 128  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-KW length: 192  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: AES-KW length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty derivedKey, empty salt, SHA-256, with empty info with missing deriveKey usage",
-        "empty derivedKey, empty salt, SHA-256, with empty info with null length",
-        "empty derivedKey, empty salt, SHA-256, with empty info with non-multiple of 8 length",
-        "empty derivedKey, empty salt, SHA-256, with empty info with missing deriveBits usage"
       ]
     }
   },
   "derive_bits_keys/pbkdf2.https.any.js": {
     "fail": {
       "expected": [
-        "empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-384, with 1 iterations with null length",
-        "empty password, short salt, SHA-384, with 1 iterations with 0 length",
-        "empty password, short salt, SHA-384, with 1 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-384, with 1 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-384, with 1000 iterations with null length",
-        "empty password, short salt, SHA-384, with 1000 iterations with 0 length",
-        "empty password, short salt, SHA-384, with 1000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-384, with 1000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-384, with 100000 iterations with null length",
-        "empty password, short salt, SHA-384, with 100000 iterations with 0 length",
-        "empty password, short salt, SHA-384, with 100000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-384, with 100000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-384, with 0 iterations",
-        "empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-512, with 1 iterations with null length",
-        "empty password, short salt, SHA-512, with 1 iterations with 0 length",
-        "empty password, short salt, SHA-512, with 1 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-512, with 1 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-512, with 1000 iterations with null length",
-        "empty password, short salt, SHA-512, with 1000 iterations with 0 length",
-        "empty password, short salt, SHA-512, with 1000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-512, with 1000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-512, with 100000 iterations with null length",
-        "empty password, short salt, SHA-512, with 100000 iterations with 0 length",
-        "empty password, short salt, SHA-512, with 100000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-512, with 100000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-512, with 0 iterations",
-        "empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-1, with 1 iterations with null length",
-        "empty password, short salt, SHA-1, with 1 iterations with 0 length",
-        "empty password, short salt, SHA-1, with 1 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-1, with 1 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-1, with 1000 iterations with null length",
-        "empty password, short salt, SHA-1, with 1000 iterations with 0 length",
-        "empty password, short salt, SHA-1, with 1000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-1, with 1000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-1, with 100000 iterations with null length",
-        "empty password, short salt, SHA-1, with 100000 iterations with 0 length",
-        "empty password, short salt, SHA-1, with 100000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-1, with 100000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-1, with 0 iterations",
-        "empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-256, with 1 iterations with null length",
-        "empty password, short salt, SHA-256, with 1 iterations with 0 length",
-        "empty password, short salt, SHA-256, with 1 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-256, with 1 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-256, with 1000 iterations with null length",
-        "empty password, short salt, SHA-256, with 1000 iterations with 0 length",
-        "empty password, short salt, SHA-256, with 1000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-256, with 1000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "empty password, short salt, SHA-256, with 100000 iterations with null length",
-        "empty password, short salt, SHA-256, with 100000 iterations with 0 length",
-        "empty password, short salt, SHA-256, with 100000 iterations with non-multiple of 8 length",
-        "empty password, short salt, SHA-256, with 100000 iterations with missing deriveBits usage",
-        "empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, short salt, SHA-256, with 0 iterations",
-        "empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-384, with 1 iterations with null length",
-        "empty password, long salt, SHA-384, with 1 iterations with 0 length",
-        "empty password, long salt, SHA-384, with 1 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-384, with 1 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-384, with 1000 iterations with null length",
-        "empty password, long salt, SHA-384, with 1000 iterations with 0 length",
-        "empty password, long salt, SHA-384, with 1000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-384, with 1000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-384, with 100000 iterations with null length",
-        "empty password, long salt, SHA-384, with 100000 iterations with 0 length",
-        "empty password, long salt, SHA-384, with 100000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-384, with 100000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-384, with 0 iterations",
-        "empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-512, with 1 iterations with null length",
-        "empty password, long salt, SHA-512, with 1 iterations with 0 length",
-        "empty password, long salt, SHA-512, with 1 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-512, with 1 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-512, with 1000 iterations with null length",
-        "empty password, long salt, SHA-512, with 1000 iterations with 0 length",
-        "empty password, long salt, SHA-512, with 1000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-512, with 1000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-512, with 100000 iterations with null length",
-        "empty password, long salt, SHA-512, with 100000 iterations with 0 length",
-        "empty password, long salt, SHA-512, with 100000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-512, with 100000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-512, with 0 iterations",
-        "empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-1, with 1 iterations with null length",
-        "empty password, long salt, SHA-1, with 1 iterations with 0 length",
-        "empty password, long salt, SHA-1, with 1 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-1, with 1 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-1, with 1000 iterations with null length",
-        "empty password, long salt, SHA-1, with 1000 iterations with 0 length",
-        "empty password, long salt, SHA-1, with 1000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-1, with 1000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-1, with 100000 iterations with null length",
-        "empty password, long salt, SHA-1, with 100000 iterations with 0 length",
-        "empty password, long salt, SHA-1, with 100000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-1, with 100000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-1, with 0 iterations",
-        "empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-256, with 1 iterations with null length",
-        "empty password, long salt, SHA-256, with 1 iterations with 0 length",
-        "empty password, long salt, SHA-256, with 1 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-256, with 1 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-256, with 1000 iterations with null length",
-        "empty password, long salt, SHA-256, with 1000 iterations with 0 length",
-        "empty password, long salt, SHA-256, with 1000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-256, with 1000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "empty password, long salt, SHA-256, with 100000 iterations with null length",
-        "empty password, long salt, SHA-256, with 100000 iterations with 0 length",
-        "empty password, long salt, SHA-256, with 100000 iterations with non-multiple of 8 length",
-        "empty password, long salt, SHA-256, with 100000 iterations with missing deriveBits usage",
-        "empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, long salt, SHA-256, with 0 iterations",
-        "empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 1 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-384, with 1 iterations with null length",
-        "empty password, empty salt, SHA-384, with 1 iterations with 0 length",
-        "empty password, empty salt, SHA-384, with 1 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-384, with 1 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 1000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-384, with 1000 iterations with null length",
-        "empty password, empty salt, SHA-384, with 1000 iterations with 0 length",
-        "empty password, empty salt, SHA-384, with 1000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-384, with 1000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 100000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-384, with 100000 iterations with null length",
-        "empty password, empty salt, SHA-384, with 100000 iterations with 0 length",
-        "empty password, empty salt, SHA-384, with 100000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-384, with 100000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-384, with 0 iterations",
-        "empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 1 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-512, with 1 iterations with null length",
-        "empty password, empty salt, SHA-512, with 1 iterations with 0 length",
-        "empty password, empty salt, SHA-512, with 1 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-512, with 1 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 1000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-512, with 1000 iterations with null length",
-        "empty password, empty salt, SHA-512, with 1000 iterations with 0 length",
-        "empty password, empty salt, SHA-512, with 1000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-512, with 1000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 100000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-512, with 100000 iterations with null length",
-        "empty password, empty salt, SHA-512, with 100000 iterations with 0 length",
-        "empty password, empty salt, SHA-512, with 100000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-512, with 100000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-512, with 0 iterations",
-        "empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 1 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-1, with 1 iterations with null length",
-        "empty password, empty salt, SHA-1, with 1 iterations with 0 length",
-        "empty password, empty salt, SHA-1, with 1 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-1, with 1 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 1000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-1, with 1000 iterations with null length",
-        "empty password, empty salt, SHA-1, with 1000 iterations with 0 length",
-        "empty password, empty salt, SHA-1, with 1000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-1, with 1000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 100000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-1, with 100000 iterations with null length",
-        "empty password, empty salt, SHA-1, with 100000 iterations with 0 length",
-        "empty password, empty salt, SHA-1, with 100000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-1, with 100000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-1, with 0 iterations",
-        "empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 1 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 1 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-256, with 1 iterations with null length",
-        "empty password, empty salt, SHA-256, with 1 iterations with 0 length",
-        "empty password, empty salt, SHA-256, with 1 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-256, with 1 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 1000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-256, with 1000 iterations with null length",
-        "empty password, empty salt, SHA-256, with 1000 iterations with 0 length",
-        "empty password, empty salt, SHA-256, with 1000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-256, with 1000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 100000 iterations with missing deriveKey usage",
-        "empty password, empty salt, SHA-256, with 100000 iterations with null length",
-        "empty password, empty salt, SHA-256, with 100000 iterations with 0 length",
-        "empty password, empty salt, SHA-256, with 100000 iterations with non-multiple of 8 length",
-        "empty password, empty salt, SHA-256, with 100000 iterations with missing deriveBits usage",
-        "empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 128  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 192  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CBC length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 128  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 192  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-CTR length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 128  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 192  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-GCM length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 128  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 192  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: AES-KW length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-1 length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-256 length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-384 length: 256  using empty password, empty salt, SHA-256, with 0 iterations",
-        "Derived key of type name: HMAC hash: SHA-512 length: 256  using empty password, empty salt, SHA-256, with 0 iterations"
       ]
     }
   },

From bb346eaaa1e8d4733840d3f64de1f8076e682a5f Mon Sep 17 00:00:00 2001
From: Jeremiah Gowdy 
Date: Fri, 12 Aug 2022 15:41:26 -0700
Subject: [PATCH 133/147] build: enable pointer authentication for branch
 protection on arm64

PR-URL: https://github.com/nodejs/node/pull/43200
Reviewed-By: Richard Lau 
Reviewed-By: Darshan Sen 
---
 configure.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.py b/configure.py
index e53a83f332ffd6..e105d4e0cca4f6 100755
--- a/configure.py
+++ b/configure.py
@@ -1237,6 +1237,10 @@ def configure_node(o):
 
   o['variables']['want_separate_host_toolset'] = int(cross_compiling)
 
+  # Enable branch protection for arm64
+  if target_arch == 'arm64':
+    o['cflags']+=['-msign-return-address=all']
+
   if options.node_snapshot_main is not None:
     if options.shared:
       # This should be possible to fix, but we will need to refactor the

From fd804309cb9af531006bfacaabd85a730a16be01 Mon Sep 17 00:00:00 2001
From: SindreXie 
Date: Wed, 3 Aug 2022 11:11:56 +0800
Subject: [PATCH 134/147] errors: refactor to use optional chaining
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44184
Reviewed-By: Feng Yu 
Reviewed-By: Tobias Nießen 
Reviewed-By: Akhil Marsonya 
Reviewed-By: Erick Wendel 
Reviewed-By: Zeyu "Alex" Yang 
---
 lib/internal/errors.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/internal/errors.js b/lib/internal/errors.js
index c780575266d6a7..831532c6d4f37a 100644
--- a/lib/internal/errors.js
+++ b/lib/internal/errors.js
@@ -1337,7 +1337,7 @@ E('ERR_INVALID_RETURN_PROPERTY', (input, name, prop, value) => {
 }, TypeError);
 E('ERR_INVALID_RETURN_PROPERTY_VALUE', (input, name, prop, value) => {
   let type;
-  if (value && value.constructor && value.constructor.name) {
+  if (value?.constructor?.name) {
     type = `instance of ${value.constructor.name}`;
   } else {
     type = `type ${typeof value}`;

From ce5de6e74303191b839a8f696a902edf5f9bc348 Mon Sep 17 00:00:00 2001
From: Chengzhong Wu 
Date: Sun, 14 Aug 2022 10:17:28 +0800
Subject: [PATCH 135/147] src: fix --heapsnapshot-near-heap-limit error hint

PR-URL: https://github.com/nodejs/node/pull/44216
Reviewed-By: Richard Lau 
Reviewed-By: Luigi Pinca 
Reviewed-By: Colin Ihrig 
Reviewed-By: Darshan Sen 
---
 src/node_options.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node_options.cc b/src/node_options.cc
index 4527cf6423e6c8..43208c85d5f45c 100644
--- a/src/node_options.cc
+++ b/src/node_options.cc
@@ -140,7 +140,7 @@ void EnvironmentOptions::CheckOptions(std::vector* errors) {
   }
 
   if (heap_snapshot_near_heap_limit < 0) {
-    errors->push_back("--heap-snapshot-near-heap-limit must not be negative");
+    errors->push_back("--heapsnapshot-near-heap-limit must not be negative");
   }
 
   if (test_runner) {

From 40c0f5583f77af91b580f4e8309eef9da084e035 Mon Sep 17 00:00:00 2001
From: "Node.js GitHub Bot" 
Date: Sat, 13 Aug 2022 23:05:11 -0400
Subject: [PATCH 136/147] meta: update AUTHORS

PR-URL: https://github.com/nodejs/node/pull/44231
Reviewed-By: Moshe Atlow 
Reviewed-By: Rich Trott 
---
 AUTHORS | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/AUTHORS b/AUTHORS
index db098b8d61e516..23129898649f10 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -3503,5 +3503,9 @@ NicoNekoru <66227158+NicoNekoru@users.noreply.github.com>
 SADIK KUZU 
 flakey5 <73616808+flakey5@users.noreply.github.com>
 Saurabh Daware 
+BuShe 
+Nick Sia <31839263+nicksia-vgw@users.noreply.github.com>
+Basit Chonka 
+Jeremiah Gowdy 
 
 # Generated by tools/update-authors.mjs

From ee394f3adc286f722bb5fcb4e9c6cf0b4c30cfa3 Mon Sep 17 00:00:00 2001
From: Richard Lau 
Date: Sun, 14 Aug 2022 05:30:11 +0100
Subject: [PATCH 137/147] test: mark connection leak test flaky on IBM i

Mark `test-http-pipeline-requests-connection-leak` flaky on IBM i.

PR-URL: https://github.com/nodejs/node/pull/44215
Refs: https://github.com/nodejs/node/issues/43509
Refs: https://github.com/nodejs/node/issues/39683
Reviewed-By: Luigi Pinca 
Reviewed-By: Darshan Sen 
---
 test/parallel/parallel.status | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status
index 3e129b6abcfb6e..b749eb8497743f 100644
--- a/test/parallel/parallel.status
+++ b/test/parallel/parallel.status
@@ -85,6 +85,7 @@ test-crypto-secure-heap: SKIP
 test-dgram-connect: PASS, FLAKY
 test-http-client-parse-error: PASS, FLAKY
 test-http-multi-line-headers: PASS, FLAKY
+test-http-pipeline-requests-connection-leak: PASS, FLAKY
 test-http-server-unconsume: PASS, FLAKY
 test-http-upgrade-advertise: PASS, FLAKY
 test-tls-client-mindhsize: PASS, FLAKY

From 3abea4d570b2f26c0ce43c94f351f0d7a96695c0 Mon Sep 17 00:00:00 2001
From: "Node.js GitHub Bot" 
Date: Sun, 14 Aug 2022 06:40:35 -0400
Subject: [PATCH 138/147] tools: update lint-md-dependencies to rollup@2.77.3

PR-URL: https://github.com/nodejs/node/pull/44230
Reviewed-By: Moshe Atlow 
Reviewed-By: Rich Trott 
Reviewed-By: Antoine du Hamel 
---
 tools/lint-md/package-lock.json | 26 +++++++++++++-------------
 tools/lint-md/package.json      |  2 +-
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/tools/lint-md/package-lock.json b/tools/lint-md/package-lock.json
index d237e2ad208351..be66600cde032a 100644
--- a/tools/lint-md/package-lock.json
+++ b/tools/lint-md/package-lock.json
@@ -18,7 +18,7 @@
       "devDependencies": {
         "@rollup/plugin-commonjs": "^22.0.2",
         "@rollup/plugin-node-resolve": "^13.3.0",
-        "rollup": "^2.77.2",
+        "rollup": "^2.77.3",
         "rollup-plugin-cleanup": "^3.2.1"
       }
     },
@@ -129,9 +129,9 @@
       "integrity": "sha512-iiUgKzV9AuaEkZqkOLDIvlQiL6ltuZd9tGcW3gwpnX8JbuiuhFlEGmmFXEXkN50Cvq7Os88IY2v0dkDqXYWVgA=="
     },
     "node_modules/@types/node": {
-      "version": "18.6.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.6.4.tgz",
-      "integrity": "sha512-I4BD3L+6AWiUobfxZ49DlU43gtI+FTHSv9pE2Zekg6KjMpre4ByusaljW3vYSLJrvQ1ck1hUaeVu8HVlY3vzHg==",
+      "version": "18.7.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.3.tgz",
+      "integrity": "sha512-LJgzOEwWuMTBxHzgBR/fhhBOWrvBjvO+zPteUgbbuQi80rYIZHrk1mNbRUqPZqSLP2H7Rwt1EFLL/tNLD1Xx/w==",
       "dev": true
     },
     "node_modules/@types/resolve": {
@@ -2212,9 +2212,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "2.77.2",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.77.2.tgz",
-      "integrity": "sha512-m/4YzYgLcpMQbxX3NmAqDvwLATZzxt8bIegO78FZLl+lAgKJBd1DRAOeEiZcKOIOPjxE6ewHWHNgGEalFXuz1g==",
+      "version": "2.77.3",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.77.3.tgz",
+      "integrity": "sha512-/qxNTG7FbmefJWoeeYJFbHehJ2HNWnjkAFRKzWN/45eNBBF/r8lo992CwcJXEzyVxs5FmfId+vTSTQDb+bxA+g==",
       "dev": true,
       "bin": {
         "rollup": "dist/bin/rollup"
@@ -2744,9 +2744,9 @@
       "integrity": "sha512-iiUgKzV9AuaEkZqkOLDIvlQiL6ltuZd9tGcW3gwpnX8JbuiuhFlEGmmFXEXkN50Cvq7Os88IY2v0dkDqXYWVgA=="
     },
     "@types/node": {
-      "version": "18.6.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.6.4.tgz",
-      "integrity": "sha512-I4BD3L+6AWiUobfxZ49DlU43gtI+FTHSv9pE2Zekg6KjMpre4ByusaljW3vYSLJrvQ1ck1hUaeVu8HVlY3vzHg==",
+      "version": "18.7.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.3.tgz",
+      "integrity": "sha512-LJgzOEwWuMTBxHzgBR/fhhBOWrvBjvO+zPteUgbbuQi80rYIZHrk1mNbRUqPZqSLP2H7Rwt1EFLL/tNLD1Xx/w==",
       "dev": true
     },
     "@types/resolve": {
@@ -4202,9 +4202,9 @@
       }
     },
     "rollup": {
-      "version": "2.77.2",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.77.2.tgz",
-      "integrity": "sha512-m/4YzYgLcpMQbxX3NmAqDvwLATZzxt8bIegO78FZLl+lAgKJBd1DRAOeEiZcKOIOPjxE6ewHWHNgGEalFXuz1g==",
+      "version": "2.77.3",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.77.3.tgz",
+      "integrity": "sha512-/qxNTG7FbmefJWoeeYJFbHehJ2HNWnjkAFRKzWN/45eNBBF/r8lo992CwcJXEzyVxs5FmfId+vTSTQDb+bxA+g==",
       "dev": true,
       "requires": {
         "fsevents": "~2.3.2"
diff --git a/tools/lint-md/package.json b/tools/lint-md/package.json
index 17583b18acd00d..649c48f98f9336 100644
--- a/tools/lint-md/package.json
+++ b/tools/lint-md/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "@rollup/plugin-commonjs": "^22.0.2",
     "@rollup/plugin-node-resolve": "^13.3.0",
-    "rollup": "^2.77.2",
+    "rollup": "^2.77.3",
     "rollup-plugin-cleanup": "^3.2.1"
   }
 }

From 64300a6ce4e48e7a9ce239d658011ddb8d70ba59 Mon Sep 17 00:00:00 2001
From: Livia Medeiros 
Date: Sun, 14 Aug 2022 20:12:20 +0900
Subject: [PATCH 139/147] test: add filesystem check to `test-fs-stat-date.mjs`

PR-URL: https://github.com/nodejs/node/pull/44174
Reviewed-By: Richard Lau 
Reviewed-By: Antoine du Hamel 
---
 test/parallel/test-fs-stat-date.mjs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/parallel/test-fs-stat-date.mjs b/test/parallel/test-fs-stat-date.mjs
index c3b52f070cab18..979f6d5f453cd1 100644
--- a/test/parallel/test-fs-stat-date.mjs
+++ b/test/parallel/test-fs-stat-date.mjs
@@ -17,6 +17,14 @@ const filepath = path.resolve(tmpdir.path, 'timestamp');
 
 await (await fsPromises.open(filepath, 'w')).close();
 
+// Perform a trivial check to determine if filesystem supports setting
+// and retrieving atime and mtime. If it doesn't, skip the test.
+await fsPromises.utimes(filepath, 2, 2);
+const { atimeMs, mtimeMs } = await fsPromises.stat(filepath);
+if (atimeMs !== 2000 || mtimeMs !== 2000) {
+  common.skip(`Unsupported filesystem (atime=${atimeMs}, mtime=${mtimeMs})`);
+}
+
 // Date might round down timestamp
 function closeEnough(actual, expected, margin) {
   // On ppc64, value is rounded to seconds

From c18c64665bf4f36f0b646f494d4824dff9f22da6 Mon Sep 17 00:00:00 2001
From: "Node.js GitHub Bot" 
Date: Sun, 14 Aug 2022 10:03:29 -0400
Subject: [PATCH 140/147] deps: update corepack to 0.12.3

PR-URL: https://github.com/nodejs/node/pull/44229
Reviewed-By: Antoine du Hamel 
Reviewed-By: Mohammed Keyvanzadeh 
Reviewed-By: Feng Yu 
Reviewed-By: Rich Trott 
---
 deps/corepack/CHANGELOG.md     | 7 +++++++
 deps/corepack/dist/corepack.js | 4 ++--
 deps/corepack/package.json     | 2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/deps/corepack/CHANGELOG.md b/deps/corepack/CHANGELOG.md
index 7b7058c213ccfb..404ccfae8368b3 100644
--- a/deps/corepack/CHANGELOG.md
+++ b/deps/corepack/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.12.3](https://github.com/nodejs/corepack/compare/v0.12.2...v0.12.3) (2022-08-12)
+
+
+### Features
+
+* update package manager versions ([#160](https://github.com/nodejs/corepack/issues/160)) ([ad092a7](https://github.com/nodejs/corepack/commit/ad092a7fb4296143fa5224c04dbd628451b3c158))
+
 ## [0.12.2](https://github.com/nodejs/corepack/compare/v0.12.1...v0.12.2) (2022-08-05)
 
 ### Features
diff --git a/deps/corepack/dist/corepack.js b/deps/corepack/dist/corepack.js
index ea30cc8dc9459c..4a0e0fe07df256 100755
--- a/deps/corepack/dist/corepack.js
+++ b/deps/corepack/dist/corepack.js
@@ -16953,7 +16953,7 @@ const supportsColor = {
 /***/ ((module) => {
 
 "use strict";
-module.exports = JSON.parse('{"definitions":{"npm":{"default":"8.16.0+sha1.d385060093f3af10fabe6d8205d41bbf2a34ff9d","transparent":{"commands":[["npm","init"],["npx"]]},"ranges":{"*":{"url":"https://registry.npmjs.org/npm/-/npm-{}.tgz","bin":{"npm":"./bin/npm-cli.js","npx":"./bin/npx-cli.js"},"registry":{"type":"npm","package":"npm"}}}},"pnpm":{"default":"7.8.0+sha1.420c53c7089c0ed6ad659e3b4fce73228f5638ab","transparent":{"commands":[["pnpm","init"],["pnpx"],["pnpm","dlx"]]},"ranges":{"<6.0.0":{"url":"https://registry.npmjs.org/pnpm/-/pnpm-{}.tgz","bin":{"pnpm":"./bin/pnpm.js","pnpx":"./bin/pnpx.js"},"registry":{"type":"npm","package":"pnpm"}},">=6.0.0":{"url":"https://registry.npmjs.org/pnpm/-/pnpm-{}.tgz","bin":{"pnpm":"./bin/pnpm.cjs","pnpx":"./bin/pnpx.cjs"},"registry":{"type":"npm","package":"pnpm"}}}},"yarn":{"default":"1.22.19+sha1.4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447","transparent":{"default":"3.2.2+sha224.634d0331703700cabfa9d9389835bd8f7426b0207ed6b74d8d34c81e","commands":[["yarn","dlx"]]},"ranges":{"<2.0.0":{"url":"https://registry.yarnpkg.com/yarn/-/yarn-{}.tgz","bin":{"yarn":"./bin/yarn.js","yarnpkg":"./bin/yarn.js"},"registry":{"type":"npm","package":"yarn"}},">=2.0.0":{"name":"yarn","url":"https://repo.yarnpkg.com/{}/packages/yarnpkg-cli/bin/yarn.js","bin":["yarn","yarnpkg"],"registry":{"type":"url","url":"https://repo.yarnpkg.com/tags","fields":{"tags":"latest","versions":"tags"}}}}}}}');
+module.exports = JSON.parse('{"definitions":{"npm":{"default":"8.17.0+sha1.05c77fb2794daa3d9b2cd0460859f1f9dc596676","transparent":{"commands":[["npm","init"],["npx"]]},"ranges":{"*":{"url":"https://registry.npmjs.org/npm/-/npm-{}.tgz","bin":{"npm":"./bin/npm-cli.js","npx":"./bin/npx-cli.js"},"registry":{"type":"npm","package":"npm"}}}},"pnpm":{"default":"7.9.0+sha1.4226ed225337fd55f9ff7736b67048dffe1d7b16","transparent":{"commands":[["pnpm","init"],["pnpx"],["pnpm","dlx"]]},"ranges":{"<6.0.0":{"url":"https://registry.npmjs.org/pnpm/-/pnpm-{}.tgz","bin":{"pnpm":"./bin/pnpm.js","pnpx":"./bin/pnpx.js"},"registry":{"type":"npm","package":"pnpm"}},">=6.0.0":{"url":"https://registry.npmjs.org/pnpm/-/pnpm-{}.tgz","bin":{"pnpm":"./bin/pnpm.cjs","pnpx":"./bin/pnpx.cjs"},"registry":{"type":"npm","package":"pnpm"}}}},"yarn":{"default":"1.22.19+sha1.4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447","transparent":{"default":"3.2.2+sha224.634d0331703700cabfa9d9389835bd8f7426b0207ed6b74d8d34c81e","commands":[["yarn","dlx"]]},"ranges":{"<2.0.0":{"url":"https://registry.yarnpkg.com/yarn/-/yarn-{}.tgz","bin":{"yarn":"./bin/yarn.js","yarnpkg":"./bin/yarn.js"},"registry":{"type":"npm","package":"yarn"}},">=2.0.0":{"name":"yarn","url":"https://repo.yarnpkg.com/{}/packages/yarnpkg-cli/bin/yarn.js","bin":["yarn","yarnpkg"],"registry":{"type":"url","url":"https://repo.yarnpkg.com/tags","fields":{"tags":"latest","versions":"tags"}}}}}}}');
 
 /***/ }),
 
@@ -16964,7 +16964,7 @@ module.exports = JSON.parse('{"definitions":{"npm":{"default":"8.16.0+sha1.d3850
 /***/ ((module) => {
 
 "use strict";
-module.exports = JSON.parse('{"name":"corepack","version":"0.12.2","homepage":"https://github.com/nodejs/corepack#readme","bugs":{"url":"https://github.com/nodejs/corepack/issues"},"repository":{"type":"git","url":"https://github.com/nodejs/corepack.git"},"license":"MIT","packageManager":"yarn@4.0.0-rc.14+sha224.d3bee29dce07417588d640327d44f1e0b8182c240bc2beb0b81ccf6e","devDependencies":{"@babel/core":"^7.14.3","@babel/plugin-transform-modules-commonjs":"^7.14.0","@babel/preset-typescript":"^7.13.0","@types/debug":"^4.1.5","@types/jest":"^28.0.0","@types/node":"^18.0.0","@types/semver":"^7.1.0","@types/tar":"^6.0.0","@types/which":"^2.0.0","@typescript-eslint/eslint-plugin":"^5.0.0","@typescript-eslint/parser":"^5.0.0","@yarnpkg/eslint-config":"^1.0.0-rc.5","@yarnpkg/fslib":"^2.1.0","@zkochan/cmd-shim":"^5.0.0","babel-plugin-dynamic-import-node":"^2.3.3","clipanion":"^3.0.1","debug":"^4.1.1","eslint":"^8.0.0","eslint-plugin-arca":"^0.15.0","jest":"^28.0.0","nock":"^13.0.4","proxy-agent":"^5.0.0","semver":"^7.1.3","supports-color":"^9.0.0","tar":"^6.0.1","terser-webpack-plugin":"^5.1.2","ts-loader":"^9.0.0","ts-node":"^10.0.0","typescript":"^4.3.2","v8-compile-cache":"^2.3.0","webpack":"^5.38.1","webpack-cli":"^4.0.0","which":"^2.0.2"},"scripts":{"build":"rm -rf dist shims && webpack && ts-node ./mkshims.ts","corepack":"ts-node ./sources/_entryPoint.ts","lint":"yarn eslint","prepack":"yarn build","postpack":"rm -rf dist shims","typecheck":"tsc --noEmit","test":"yarn jest"},"files":["dist","shims","LICENSE.md"],"publishConfig":{"bin":{"corepack":"./dist/corepack.js","pnpm":"./dist/pnpm.js","pnpx":"./dist/pnpx.js","yarn":"./dist/yarn.js","yarnpkg":"./dist/yarnpkg.js"},"executableFiles":["./dist/npm.js","./dist/npx.js","./dist/pnpm.js","./dist/pnpx.js","./dist/yarn.js","./dist/yarnpkg.js","./dist/corepack.js","./shims/npm","./shims/npm.ps1","./shims/npx","./shims/npx.ps1","./shims/pnpm","./shims/pnpm.ps1","./shims/pnpx","./shims/pnpx.ps1","./shims/yarn","./shims/yarn.ps1","./shims/yarnpkg","./shims/yarnpkg.ps1"]},"resolutions":{"vm2":"patch:vm2@npm:3.9.9#.yarn/patches/vm2-npm-3.9.9-03fd1f4dc5.patch"}}');
+module.exports = JSON.parse('{"name":"corepack","version":"0.12.3","homepage":"https://github.com/nodejs/corepack#readme","bugs":{"url":"https://github.com/nodejs/corepack/issues"},"repository":{"type":"git","url":"https://github.com/nodejs/corepack.git"},"license":"MIT","packageManager":"yarn@4.0.0-rc.14+sha224.d3bee29dce07417588d640327d44f1e0b8182c240bc2beb0b81ccf6e","devDependencies":{"@babel/core":"^7.14.3","@babel/plugin-transform-modules-commonjs":"^7.14.0","@babel/preset-typescript":"^7.13.0","@types/debug":"^4.1.5","@types/jest":"^28.0.0","@types/node":"^18.0.0","@types/semver":"^7.1.0","@types/tar":"^6.0.0","@types/which":"^2.0.0","@typescript-eslint/eslint-plugin":"^5.0.0","@typescript-eslint/parser":"^5.0.0","@yarnpkg/eslint-config":"^1.0.0-rc.5","@yarnpkg/fslib":"^2.1.0","@zkochan/cmd-shim":"^5.0.0","babel-plugin-dynamic-import-node":"^2.3.3","clipanion":"^3.0.1","debug":"^4.1.1","eslint":"^8.0.0","eslint-plugin-arca":"^0.15.0","jest":"^28.0.0","nock":"^13.0.4","proxy-agent":"^5.0.0","semver":"^7.1.3","supports-color":"^9.0.0","tar":"^6.0.1","terser-webpack-plugin":"^5.1.2","ts-loader":"^9.0.0","ts-node":"^10.0.0","typescript":"^4.3.2","v8-compile-cache":"^2.3.0","webpack":"^5.38.1","webpack-cli":"^4.0.0","which":"^2.0.2"},"scripts":{"build":"rm -rf dist shims && webpack && ts-node ./mkshims.ts","corepack":"ts-node ./sources/_entryPoint.ts","lint":"yarn eslint","prepack":"yarn build","postpack":"rm -rf dist shims","typecheck":"tsc --noEmit","test":"yarn jest"},"files":["dist","shims","LICENSE.md"],"publishConfig":{"bin":{"corepack":"./dist/corepack.js","pnpm":"./dist/pnpm.js","pnpx":"./dist/pnpx.js","yarn":"./dist/yarn.js","yarnpkg":"./dist/yarnpkg.js"},"executableFiles":["./dist/npm.js","./dist/npx.js","./dist/pnpm.js","./dist/pnpx.js","./dist/yarn.js","./dist/yarnpkg.js","./dist/corepack.js","./shims/npm","./shims/npm.ps1","./shims/npx","./shims/npx.ps1","./shims/pnpm","./shims/pnpm.ps1","./shims/pnpx","./shims/pnpx.ps1","./shims/yarn","./shims/yarn.ps1","./shims/yarnpkg","./shims/yarnpkg.ps1"]},"resolutions":{"vm2":"patch:vm2@npm:3.9.9#.yarn/patches/vm2-npm-3.9.9-03fd1f4dc5.patch"}}');
 
 /***/ })
 
diff --git a/deps/corepack/package.json b/deps/corepack/package.json
index 0068518ffb348f..6fbae0427073b7 100644
--- a/deps/corepack/package.json
+++ b/deps/corepack/package.json
@@ -1,6 +1,6 @@
 {
   "name": "corepack",
-  "version": "0.12.2",
+  "version": "0.12.3",
   "homepage": "https://github.com/nodejs/corepack#readme",
   "bugs": {
     "url": "https://github.com/nodejs/corepack/issues"

From 2f2ea4bd7e28aeca84c6cc34c6737ab8152e98d6 Mon Sep 17 00:00:00 2001
From: Filip Skokan 
Date: Sun, 14 Aug 2022 21:52:52 +0100
Subject: [PATCH 141/147] test,crypto: update WebCryptoAPI WPT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44223
Reviewed-By: Tobias Nießen 
Reviewed-By: Feng Yu 
Reviewed-By: Luigi Pinca 
Reviewed-By: Akhil Marsonya 
Reviewed-By: LiviaMedeiros 
---
 test/fixtures/wpt/README.md                   |   2 +-
 ...algorithm-discards-context.https.window.js | 213 +++++++++
 .../cfrg_curves_bits.https.any.js             |   9 +
 .../derive_bits_keys/cfrg_curves_bits.js      | 245 ++++++++++
 .../cfrg_curves_keys.https.any.js             |   9 +
 .../derive_bits_keys/cfrg_curves_keys.js      | 213 +++++++++
 .../wpt/WebCryptoAPI/generateKey/failures.js  |   6 +-
 .../generateKey/failures_Ed25519.https.any.js |   5 +
 .../generateKey/failures_Ed448.https.any.js   |   5 +
 .../generateKey/failures_X25519.https.any.js  |   5 +
 .../generateKey/failures_X448.https.any.js    |   5 +
 .../wpt/WebCryptoAPI/generateKey/successes.js |   6 +-
 .../successes_Ed25519.https.any.js            |   6 +
 .../generateKey/successes_Ed448.https.any.js  |   6 +
 .../generateKey/successes_X25519.https.any.js |   6 +
 .../generateKey/successes_X448.https.any.js   |   6 +
 .../wpt/WebCryptoAPI/getRandomValues.any.js   |  18 +-
 .../import_export/okp_importKey.https.any.js  | 282 ++++++++++++
 .../wpt/WebCryptoAPI/randomUUID.https.any.js  |   2 +-
 .../sign_verify/eddsa.https.any.js            |   6 +
 .../wpt/WebCryptoAPI/sign_verify/eddsa.js     | 422 ++++++++++++++++++
 .../WebCryptoAPI/sign_verify/eddsa_vectors.js |  58 +++
 .../fixtures/wpt/WebCryptoAPI/util/helpers.js |  13 +-
 test/fixtures/wpt/versions.json               |   2 +-
 test/wpt/status/WebCryptoAPI.json             |  61 +--
 25 files changed, 1542 insertions(+), 69 deletions(-)
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/algorithm-discards-context.https.window.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed25519.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed448.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X25519.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X448.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed25519.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed448.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X25519.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X448.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/import_export/okp_importKey.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/sign_verify/eddsa.https.any.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/sign_verify/eddsa.js
 create mode 100644 test/fixtures/wpt/WebCryptoAPI/sign_verify/eddsa_vectors.js

diff --git a/test/fixtures/wpt/README.md b/test/fixtures/wpt/README.md
index e20877de174d43..3bb20b27b93720 100644
--- a/test/fixtures/wpt/README.md
+++ b/test/fixtures/wpt/README.md
@@ -29,7 +29,7 @@ Last update:
 - user-timing: https://github.com/web-platform-tests/wpt/tree/df24fb604e/user-timing
 - wasm/jsapi: https://github.com/web-platform-tests/wpt/tree/d8dbe6990b/wasm/jsapi
 - wasm/webapi: https://github.com/web-platform-tests/wpt/tree/fd1b23eeaa/wasm/webapi
-- WebCryptoAPI: https://github.com/web-platform-tests/wpt/tree/cdd0f03df4/WebCryptoAPI
+- WebCryptoAPI: https://github.com/web-platform-tests/wpt/tree/edca84af42/WebCryptoAPI
 - webidl/ecmascript-binding/es-exceptions: https://github.com/web-platform-tests/wpt/tree/a370aad338/webidl/ecmascript-binding/es-exceptions
 
 [Web Platform Tests]: https://github.com/web-platform-tests/wpt
diff --git a/test/fixtures/wpt/WebCryptoAPI/algorithm-discards-context.https.window.js b/test/fixtures/wpt/WebCryptoAPI/algorithm-discards-context.https.window.js
new file mode 100644
index 00000000000000..e648bc2f230f0c
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/algorithm-discards-context.https.window.js
@@ -0,0 +1,213 @@
+// META: title=WebCryptoAPI: Properties discard the context in algorithm normalization
+
+let nextTest = 0;
+let tests = {};
+function closeChild(testId) {
+  if (tests[testId]) {
+    let {child, t} = tests[testId];
+    delete tests[testId];
+    document.body.removeChild(child);
+    t.done();
+  }
+}
+
+function runInChild(t, childScript) {
+  let testId = nextTest++;
+  const preamble = `
+let testId = ${testId};
+function closeChildOnAccess(obj, key) {
+  const oldValue = obj[key];
+  Object.defineProperty(obj, key, {get: () => {
+    top.closeChild(testId);
+    return oldValue;
+  }});
+}
+`;
+  childScript = preamble + childScript;
+
+  let child = document.createElement("iframe");
+  tests[testId] = {t, child};
+  document.body.appendChild(child);
+  let script = document.createElement("script");
+  script.textContent = childScript;
+  child.contentDocument.body.appendChild(script);
+}
+
+async_test((t) => {
+  const childScript = `
+let algorithm = {name: "AES-GCM", length: 128};
+closeChildOnAccess(algorithm, "name");
+crypto.subtle.generateKey(algorithm, true, ["encrypt", "decrypt"]);`;
+  runInChild(t, childScript);
+}, "Context is discarded in generateKey");
+
+async_test((t) => {
+  const childScript = `
+let algorithm = {name: "AES-GCM"};
+closeChildOnAccess(algorithm, "name");
+crypto.subtle.importKey("raw", new Uint8Array(16), algorithm, true,
+                        ["encrypt", "decrypt"]);`;
+  runInChild(t, childScript);
+}, "Context is discarded in importKey");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.generateKey(
+     {name: "AES-GCM", length: 128}, true, ["encrypt", "decrypt"]);
+  let algorithm = {name: "AES-GCM", iv: new Uint8Array(12)};
+  closeChildOnAccess(algorithm, "name");
+  crypto.subtle.encrypt(algorithm, key, new Uint8Array());
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in encrypt");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.generateKey(
+     {name: "AES-GCM", length: 128}, true, ["encrypt", "decrypt"]);
+  let algorithm = {name: "AES-GCM", iv: new Uint8Array(12)};
+  let encrypted = await crypto.subtle.encrypt(algorithm, key, new Uint8Array());
+  closeChildOnAccess(algorithm, "name");
+  crypto.subtle.decrypt(algorithm, key, encrypted);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in decrypt");
+
+async_test((t) => {
+  const childScript = `
+let algorithm = {name: "SHA-256"};
+closeChildOnAccess(algorithm, "name");
+crypto.subtle.digest(algorithm, new Uint8Array());`;
+  runInChild(t, childScript);
+}, "Context is discarded in digest");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.generateKey(
+      {name: "ECDSA", namedCurve: "P-256"}, true, ["sign", "verify"]);
+  let algorithm = {name: "ECDSA", hash: "SHA-256"};
+  closeChildOnAccess(algorithm, "name");
+  crypto.subtle.sign(algorithm, key.privateKey, new Uint8Array());
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in sign");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.generateKey(
+      {name: "ECDSA", namedCurve: "P-256"}, true, ["sign", "verify"]);
+  let algorithm = {name: "ECDSA", hash: "SHA-256"};
+  let data = new Uint8Array();
+  let signature = await crypto.subtle.sign(algorithm, key.privateKey, data);
+  closeChildOnAccess(algorithm, "name");
+  crypto.subtle.verify(algorithm, key.publicKey, signature, data);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in verify");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.importKey(
+      "raw", new Uint8Array(16), "HKDF", false, ["deriveBits"]);
+  let algorithm = {
+      name: "HKDF",
+      hash: "SHA-256",
+      salt: new Uint8Array(),
+      info: new Uint8Array(),
+  };
+  closeChildOnAccess(algorithm, "name");
+  crypto.subtle.deriveBits(algorithm, key, 16);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in deriveBits");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.importKey(
+      "raw", new Uint8Array(16), "HKDF", false, ["deriveKey"]);
+  let algorithm = {
+      name: "HKDF",
+      hash: "SHA-256",
+      salt: new Uint8Array(),
+      info: new Uint8Array(),
+  };
+  let derivedAlgorithm = {name: "AES-GCM", length: 128};
+  closeChildOnAccess(algorithm, "name");
+  crypto.subtle.deriveKey(algorithm, key, derivedAlgorithm, true,
+                          ["encrypt", "decrypt"]);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in deriveKey");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let key = await crypto.subtle.importKey(
+      "raw", new Uint8Array(16), "HKDF", false, ["deriveKey"]);
+  let algorithm = {
+      name: "HKDF",
+      hash: "SHA-256",
+      salt: new Uint8Array(),
+      info: new Uint8Array(),
+  };
+  let derivedAlgorithm = {name: "AES-GCM", length: 128};
+  closeChildOnAccess(derivedAlgorithm, "name");
+  crypto.subtle.deriveKey(algorithm, key, derivedAlgorithm, true,
+                          ["encrypt", "decrypt"]);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in deriveKey (2)");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let wrapKey = await crypto.subtle.generateKey(
+      {name: "AES-GCM", length: 128}, true, ["wrapKey", "unwrapKey"]);
+  let key = await crypto.subtle.generateKey(
+      {name: "AES-GCM", length: 128}, true, ["encrypt", "decrypt"]);
+  let wrapAlgorithm = {name: "AES-GCM", iv: new Uint8Array(12)};
+  closeChildOnAccess(wrapAlgorithm, "name");
+  crypto.subtle.wrapKey("raw", key, wrapKey, wrapAlgorithm);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in wrapKey");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let wrapKey = await crypto.subtle.generateKey(
+      {name: "AES-GCM", length: 128}, true, ["wrapKey", "unwrapKey"]);
+  let keyAlgorithm = {name: "AES-GCM", length: 128};
+  let keyUsages = ["encrypt", "decrypt"];
+  let key = await crypto.subtle.generateKey(keyAlgorithm, true, keyUsages);
+  let wrapAlgorithm = {name: "AES-GCM", iv: new Uint8Array(12)};
+  let wrapped = await crypto.subtle.wrapKey("raw", key, wrapKey, wrapAlgorithm);
+  closeChildOnAccess(wrapAlgorithm, "name");
+  crypto.subtle.unwrapKey(
+      "raw", wrapped, wrapKey, wrapAlgorithm, keyAlgorithm, true, keyUsages);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in unwrapKey");
+
+async_test((t) => {
+  const childScript = `
+(async () => {
+  let wrapKey = await crypto.subtle.generateKey(
+      {name: "AES-GCM", length: 128}, true, ["wrapKey", "unwrapKey"]);
+  let keyAlgorithm = {name: "AES-GCM", length: 128};
+  let keyUsages = ["encrypt", "decrypt"];
+  let key = await crypto.subtle.generateKey(keyAlgorithm, true, keyUsages);
+  let wrapAlgorithm = {name: "AES-GCM", iv: new Uint8Array(12)};
+  let wrapped = await crypto.subtle.wrapKey("raw", key, wrapKey, wrapAlgorithm);
+  closeChildOnAccess(keyAlgorithm, "name");
+  crypto.subtle.unwrapKey(
+      "raw", wrapped, wrapKey, wrapAlgorithm, keyAlgorithm, true, keyUsages);
+})();`;
+  runInChild(t, childScript);
+}, "Context is discarded in unwrapKey (2)");
diff --git a/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.https.any.js b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.https.any.js
new file mode 100644
index 00000000000000..afa7db845faaee
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.https.any.js
@@ -0,0 +1,9 @@
+// META: title=WebCryptoAPI: deriveBits() Using ECDH with CFRG Elliptic Curves
+// META: script=cfrg_curves_bits.js
+
+// Define subtests from a `promise_test` to ensure the harness does not
+// complete before the subtests are available. `explicit_done` cannot be used
+// for this purpose because the global `done` function is automatically invoked
+// by the WPT infrastructure in dedicated worker tests defined using the
+// "multi-global" pattern.
+promise_test(define_tests, 'setup - define tests');
diff --git a/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.js b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.js
new file mode 100644
index 00000000000000..f467bc858cbba9
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_bits.js
@@ -0,0 +1,245 @@
+
+function define_tests() {
+  // May want to test prefixed implementations.
+  var subtle = self.crypto.subtle;
+
+  var pkcs8 = {
+      "X25519": new Uint8Array([48, 46, 2, 1, 0, 48, 5, 6, 3, 43, 101, 110, 4, 34, 4, 32, 200, 131, 142, 118, 208, 87, 223, 183, 216, 201, 90, 105, 225, 56, 22, 10, 221, 99, 115, 253, 113, 164, 210, 118, 187, 86, 227, 168, 27, 100, 255, 97]),
+      "X448": new Uint8Array([48, 70, 2, 1, 0, 48, 5, 6, 3, 43, 101, 111, 4, 58, 4, 56, 88, 199, 210, 154, 62, 181, 25, 178, 157, 0, 207, 177, 145, 187, 100, 252, 109, 138, 66, 216, 241, 113, 118, 39, 43, 137, 242, 39, 45, 24, 25, 41, 92, 101, 37, 192, 130, 150, 113, 176, 82, 239, 7, 39, 83, 15, 24, 142, 49, 208, 204, 83, 191, 38, 146, 158])
+  };
+
+  var spki = {
+      "X25519": new Uint8Array([48, 42, 48, 5, 6, 3, 43, 101, 110, 3, 33, 0, 28, 242, 177, 230, 2, 46, 197, 55, 55, 30, 215, 245, 62, 84, 250, 17, 84, 216, 62, 152, 235, 100, 234, 81, 250, 229, 179, 48, 124, 254, 151, 6]),
+      "X448": new Uint8Array([48, 66, 48, 5, 6, 3, 43, 101, 111, 3, 57, 0, 182, 4, 161, 209, 165, 205, 29, 148, 38, 213, 97, 239, 99, 10, 158, 177, 108, 190, 105, 213, 185, 202, 97, 94, 220, 83, 99, 62, 251, 82, 234, 49, 230, 230, 160, 161, 219, 172, 198, 231, 108, 188, 230, 72, 45, 126, 75, 163, 213, 93, 158, 128, 39, 101, 206, 111])
+  };
+
+  var sizes = {
+      "X25519": 32,
+      "X448": 56
+  };
+
+  var derivations = {
+      "X25519": new Uint8Array([39, 104, 64, 157, 250, 185, 158, 194, 59, 140, 137, 185, 63, 245, 136, 2, 149, 247, 97, 118, 8, 143, 137, 228, 61, 254, 190, 126, 161, 149, 0, 8]),
+      "X448": new Uint8Array([240, 246, 197, 241, 127, 148, 244, 41, 30, 171, 113, 120, 134, 109, 55, 236, 137, 6, 221, 108, 81, 65, 67, 220, 133, 190, 124, 242, 141, 239, 243, 155, 114, 110, 15, 109, 207, 129, 14, 181, 148, 220, 169, 123, 72, 130, 189, 68, 196, 62, 167, 220, 103, 244, 154, 78])
+  };
+
+  return importKeys(pkcs8, spki, sizes)
+  .then(function(results) {
+      publicKeys = results.publicKeys;
+      privateKeys = results.privateKeys;
+      noDeriveBitsKeys = results.noDeriveBitsKeys;
+
+      Object.keys(sizes).forEach(function(algorithmName) {
+          // Basic success case
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_true(equalBuffers(derivation, derivations[algorithmName]), "Derived correct bits");
+              }, function(err) {
+                  assert_unreached("deriveBits failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " good parameters");
+
+          // Case insensitivity check
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName.toLowerCase(), public: publicKeys[algorithmName]}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_true(equalBuffers(derivation, derivations[algorithmName]), "Derived correct bits");
+              }, function(err) {
+                  assert_unreached("deriveBits failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " mixed case parameters");
+
+          // Null length
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, privateKeys[algorithmName], null)
+              .then(function(derivation) {
+                  assert_true(equalBuffers(derivation, derivations[algorithmName]), "Derived correct bits");
+              }, function(err) {
+                  assert_unreached("deriveBits failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " with null length");
+
+          // Shorter than entire derivation per algorithm
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, privateKeys[algorithmName], 8 * sizes[algorithmName] - 32)
+              .then(function(derivation) {
+                  assert_true(equalBuffers(derivation, derivations[algorithmName], 8 * sizes[algorithmName] - 32), "Derived correct bits");
+              }, function(err) {
+                  assert_unreached("deriveBits failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " short result");
+
+          // Non-multiple of 8
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, privateKeys[algorithmName], 8 * sizes[algorithmName] - 11)
+              .then(function(derivation) {
+                  assert_true(equalBuffers(derivation, derivations[algorithmName], 8 * sizes[algorithmName] - 11), "Derived correct bits");
+              }, function(err) {
+                  assert_unreached("deriveBits failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " non-multiple of 8 bits");
+
+          // Errors to test:
+
+          // - missing public property TypeError
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with TypeError");
+              }, function(err) {
+                  assert_equals(err.name, "TypeError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " missing public property");
+
+          // - Non CryptoKey public property TypeError
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: {message: "Not a CryptoKey"}}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with TypeError");
+              }, function(err) {
+                  assert_equals(err.name, "TypeError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " public property of algorithm is not a CryptoKey");
+
+          // - wrong algorithm
+          promise_test(function(test) {
+              publicKey = publicKeys["X25519"];
+              if (algorithmName === "X25519") {
+                  publicKey = publicKeys["X448"];
+              }
+              return subtle.deriveBits({name: algorithmName, public: publicKey}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " mismatched algorithms");
+
+          // - No deriveBits usage in baseKey InvalidAccessError
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, noDeriveBitsKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " no deriveBits usage for base key");
+
+          // - Use public key for baseKey InvalidAccessError
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, publicKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " base key is not a private key");
+
+          // - Use private key for public property InvalidAccessError
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: privateKeys[algorithmName]}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " public property value is a private key");
+
+          // - Use secret key for public property InvalidAccessError
+          promise_test(function(test) {
+              return subtle.generateKey({name: "AES-CBC", length: 128}, true, ["encrypt", "decrypt"])
+              .then(function(secretKey) {
+                  subtle.deriveBits({name: algorithmName, public: secretKey}, privateKeys[algorithmName], 8 * sizes[algorithmName])
+                  .then(function(derivation) {
+                      assert_unreached("deriveBits succeeded but should have failed with InvalidAccessError");
+                  }, function(err) {
+                      assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+                  });
+              });
+          }, algorithmName + " public property value is a secret key");
+
+          // - Length greater than possible for particular curves OperationError
+          promise_test(function(test) {
+              return subtle.deriveBits({name: algorithmName, public: publicKeys[algorithmName]}, privateKeys[algorithmName], 8 * sizes[algorithmName] + 8)
+              .then(function(derivation) {
+                  assert_unreached("deriveBits succeeded but should have failed with OperationError");
+              }, function(err) {
+                  assert_equals(err.name, "OperationError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " asking for too many bits");
+      });
+  });
+
+  function importKeys(pkcs8, spki, sizes) {
+      var privateKeys = {};
+      var publicKeys = {};
+      var noDeriveBitsKeys = {};
+
+      var promises = [];
+      Object.keys(pkcs8).forEach(function(algorithmName) {
+          var operation = subtle.importKey("pkcs8", pkcs8[algorithmName],
+                                          {name: algorithmName},
+                                          false, ["deriveBits", "deriveKey"])
+                          .then(function(key) {
+                              privateKeys[algorithmName] = key;
+                          });
+          promises.push(operation);
+      });
+      Object.keys(pkcs8).forEach(function(algorithmName) {
+          var operation = subtle.importKey("pkcs8", pkcs8[algorithmName],
+                                          {name: algorithmName},
+                                          false, ["deriveKey"])
+                          .then(function(key) {
+                              noDeriveBitsKeys[algorithmName] = key;
+                          });
+          promises.push(operation);
+      });
+      Object.keys(spki).forEach(function(algorithmName) {
+          var operation = subtle.importKey("spki", spki[algorithmName],
+                                          {name: algorithmName},
+                                          false, [])
+                          .then(function(key) {
+                              publicKeys[algorithmName] = key;
+                          });
+          promises.push(operation);
+      });
+
+      return Promise.all(promises)
+             .then(function(results) {return {privateKeys: privateKeys, publicKeys: publicKeys, noDeriveBitsKeys: noDeriveBitsKeys}});
+  }
+
+  // Compares two ArrayBuffer or ArrayBufferView objects. If bitCount is
+  // omitted, the two values must be the same length and have the same contents
+  // in every byte. If bitCount is included, only that leading number of bits
+  // have to match.
+  function equalBuffers(a, b, bitCount) {
+      var remainder;
+
+      if (typeof bitCount === "undefined" && a.byteLength !== b.byteLength) {
+          return false;
+      }
+
+      var aBytes = new Uint8Array(a);
+      var bBytes = new Uint8Array(b);
+
+      var length = a.byteLength;
+      if (typeof bitCount !== "undefined") {
+          length = Math.floor(bitCount / 8);
+      }
+
+      for (var i=0; i> (8 - remainder) === bBytes[length] >> (8 - remainder);
+      }
+
+      return true;
+  }
+
+}
diff --git a/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.https.any.js b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.https.any.js
new file mode 100644
index 00000000000000..71fe87d9a874b7
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.https.any.js
@@ -0,0 +1,9 @@
+// META: title=WebCryptoAPI: deriveKey() Using ECDH with CFRG Elliptic Curves
+// META: script=cfrg_curves_keys.js
+
+// Define subtests from a `promise_test` to ensure the harness does not
+// complete before the subtests are available. `explicit_done` cannot be used
+// for this purpose because the global `done` function is automatically invoked
+// by the WPT infrastructure in dedicated worker tests defined using the
+// "multi-global" pattern.
+promise_test(define_tests, 'setup - define tests');
diff --git a/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.js b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.js
new file mode 100644
index 00000000000000..7819ae0bf83b64
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/cfrg_curves_keys.js
@@ -0,0 +1,213 @@
+
+function define_tests() {
+  // May want to test prefixed implementations.
+  var subtle = self.crypto.subtle;
+
+  var pkcs8 = {
+    "X25519": new Uint8Array([48, 46, 2, 1, 0, 48, 5, 6, 3, 43, 101, 110, 4, 34, 4, 32, 200, 131, 142, 118, 208, 87, 223, 183, 216, 201, 90, 105, 225, 56, 22, 10, 221, 99, 115, 253, 113, 164, 210, 118, 187, 86, 227, 168, 27, 100, 255, 97]),
+    "X448": new Uint8Array([48, 70, 2, 1, 0, 48, 5, 6, 3, 43, 101, 111, 4, 58, 4, 56, 88, 199, 210, 154, 62, 181, 25, 178, 157, 0, 207, 177, 145, 187, 100, 252, 109, 138, 66, 216, 241, 113, 118, 39, 43, 137, 242, 39, 45, 24, 25, 41, 92, 101, 37, 192, 130, 150, 113, 176, 82, 239, 7, 39, 83, 15, 24, 142, 49, 208, 204, 83, 191, 38, 146, 158])
+  };
+
+  var spki = {
+      "X25519": new Uint8Array([48, 42, 48, 5, 6, 3, 43, 101, 110, 3, 33, 0, 28, 242, 177, 230, 2, 46, 197, 55, 55, 30, 215, 245, 62, 84, 250, 17, 84, 216, 62, 152, 235, 100, 234, 81, 250, 229, 179, 48, 124, 254, 151, 6]),
+      "X448": new Uint8Array([48, 66, 48, 5, 6, 3, 43, 101, 111, 3, 57, 0, 182, 4, 161, 209, 165, 205, 29, 148, 38, 213, 97, 239, 99, 10, 158, 177, 108, 190, 105, 213, 185, 202, 97, 94, 220, 83, 99, 62, 251, 82, 234, 49, 230, 230, 160, 161, 219, 172, 198, 231, 108, 188, 230, 72, 45, 126, 75, 163, 213, 93, 158, 128, 39, 101, 206, 111])
+  };
+
+  var sizes = {
+      "X25519": 32,
+      "X448": 56
+  };
+
+  var derivations = {
+      "X25519": new Uint8Array([39, 104, 64, 157, 250, 185, 158, 194, 59, 140, 137, 185, 63, 245, 136, 2, 149, 247, 97, 118, 8, 143, 137, 228, 61, 254, 190, 126, 161, 149, 0, 8]),
+      "X448": new Uint8Array([240, 246, 197, 241, 127, 148, 244, 41, 30, 171, 113, 120, 134, 109, 55, 236, 137, 6, 221, 108, 81, 65, 67, 220, 133, 190, 124, 242, 141, 239, 243, 155, 114, 110, 15, 109, 207, 129, 14, 181, 148, 220, 169, 123, 72, 130, 189, 68, 196, 62, 167, 220, 103, 244, 154, 78])
+  };
+
+  return importKeys(pkcs8, spki, sizes)
+  .then(function(results) {
+      publicKeys = results.publicKeys;
+      privateKeys = results.privateKeys;
+      noDeriveKeyKeys = results.noDeriveKeyKeys;
+
+      Object.keys(sizes).forEach(function(algorithmName) {
+          // Basic success case
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName, public: publicKeys[algorithmName]}, privateKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_true(equalBuffers(exportedKey, derivations[algorithmName], 8 * exportedKey.length), "Derived correct key");
+              }, function(err) {
+                  assert_unreached("deriveKey failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " good parameters");
+
+          // Case insensitivity check
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName.toLowerCase(), public: publicKeys[algorithmName]}, privateKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_true(equalBuffers(exportedKey, derivations[algorithmName], 8 * exportedKey.length), "Derived correct key");
+              }, function(err) {
+                  assert_unreached("deriveKey failed with error " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " mixed case parameters");
+          // Errors to test:
+
+          // - missing public property TypeError
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName}, privateKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_unreached("deriveKey succeeded but should have failed with TypeError");
+              }, function(err) {
+                  assert_equals(err.name, "TypeError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " missing public property");
+
+          // - Non CryptoKey public property TypeError
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName, public: {message: "Not a CryptoKey"}}, privateKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_unreached("deriveKey succeeded but should have failed with TypeError");
+              }, function(err) {
+                  assert_equals(err.name, "TypeError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " public property of algorithm is not a CryptoKey");
+
+          // - wrong algorithm
+          promise_test(function(test) {
+              publicKey = publicKeys["X25519"];
+              if (algorithmName === "X25519") {
+                  publicKey = publicKeys["X448"];
+              }
+              return subtle.deriveKey({name: algorithmName, public: publicKey}, privateKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_unreached("deriveKey succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " mismatched algorithms");
+
+          // - No deriveKey usage in baseKey InvalidAccessError
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName, public: publicKeys[algorithmName]}, noDeriveKeyKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_unreached("deriveKey succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " no deriveKey usage for base key");
+
+          // - Use public key for baseKey InvalidAccessError
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName, public: publicKeys[algorithmName]}, publicKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_unreached("deriveKey succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " base key is not a private key");
+
+          // - Use private key for public property InvalidAccessError
+          promise_test(function(test) {
+              return subtle.deriveKey({name: algorithmName, public: privateKeys[algorithmName]}, privateKeys[algorithmName], {name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+              .then(function(exportedKey) {
+                  assert_unreached("deriveKey succeeded but should have failed with InvalidAccessError");
+              }, function(err) {
+                  assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+              });
+          }, algorithmName + " public property value is a private key");
+
+          // - Use secret key for public property InvalidAccessError
+          promise_test(function(test) {
+              return subtle.generateKey({name: "HMAC", hash: "SHA-256", length: 256}, true, ["sign", "verify"])
+              .then(function(secretKey) {
+                  subtle.deriveKey({name: algorithmName, public: secretKey}, privateKeys[algorithmName], {name: "AES-CBC", length: 256}, true, ["sign", "verify"])
+                  .then(function(key) {return crypto.subtle.exportKey("raw", key);})
+                  .then(function(exportedKey) {
+                      assert_unreached("deriveKey succeeded but should have failed with InvalidAccessError");
+                  }, function(err) {
+                      assert_equals(err.name, "InvalidAccessError", "Should throw correct error, not " + err.name + ": " + err.message);
+                  });
+              });
+          }, algorithmName + " public property value is a secret key");
+      });
+  });
+
+  function importKeys(pkcs8, spki, sizes) {
+      var privateKeys = {};
+      var publicKeys = {};
+      var noDeriveKeyKeys = {};
+
+      var promises = [];
+      Object.keys(pkcs8).forEach(function(algorithmName) {
+          var operation = subtle.importKey("pkcs8", pkcs8[algorithmName],
+                                          {name: algorithmName},
+                                          false, ["deriveBits", "deriveKey"])
+                          .then(function(key) {
+                              privateKeys[algorithmName] = key;
+                          });
+          promises.push(operation);
+      });
+      Object.keys(pkcs8).forEach(function(algorithmName) {
+          var operation = subtle.importKey("pkcs8", pkcs8[algorithmName],
+                                          {name: algorithmName},
+                                          false, ["deriveBits"])
+                          .then(function(key) {
+                              noDeriveKeyKeys[algorithmName] = key;
+                          });
+          promises.push(operation);
+      });
+      Object.keys(spki).forEach(function(algorithmName) {
+          var operation = subtle.importKey("spki", spki[algorithmName],
+                                          {name: algorithmName},
+                                          false, [])
+                          .then(function(key) {
+                              publicKeys[algorithmName] = key;
+                          });
+          promises.push(operation);
+      });
+
+      return Promise.all(promises)
+             .then(function(results) {return {privateKeys: privateKeys, publicKeys: publicKeys, noDeriveKeyKeys: noDeriveKeyKeys}});
+  }
+
+  // Compares two ArrayBuffer or ArrayBufferView objects. If bitCount is
+  // omitted, the two values must be the same length and have the same contents
+  // in every byte. If bitCount is included, only that leading number of bits
+  // have to match.
+  function equalBuffers(a, b, bitCount) {
+      var remainder;
+
+      if (typeof bitCount === "undefined" && a.byteLength !== b.byteLength) {
+          return false;
+      }
+
+      var aBytes = new Uint8Array(a);
+      var bBytes = new Uint8Array(b);
+
+      var length = a.byteLength;
+      if (typeof bitCount !== "undefined") {
+          length = Math.floor(bitCount / 8);
+      }
+
+      for (var i=0; i> (8 - remainder) === bBytes[length] >> (8 - remainder);
+      }
+
+      return true;
+  }
+
+}
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/failures.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures.js
index 23fb280182a040..c39e4d211cbdf4 100644
--- a/test/fixtures/wpt/WebCryptoAPI/generateKey/failures.js
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures.js
@@ -31,7 +31,11 @@ function run_test(algorithmNames) {
         {name: "RSA-PSS",  resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
         {name: "RSA-OAEP", resultType: "CryptoKeyPair", usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"], mandatoryUsages: ["decrypt", "unwrapKey"]},
         {name: "ECDSA",    resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
-        {name: "ECDH",     resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]}
+        {name: "ECDH",     resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]},
+        {name: "Ed25519",  resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
+        {name: "Ed448",    resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
+        {name: "X25519",   resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]},
+        {name: "X448",     resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]},
     ];
 
     var testVectors = [];
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed25519.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed25519.https.any.js
new file mode 100644
index 00000000000000..8f18fb1efe0950
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed25519.https.any.js
@@ -0,0 +1,5 @@
+// META: title=WebCryptoAPI: generateKey() for Failures
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=failures.js
+run_test(["Ed25519"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed448.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed448.https.any.js
new file mode 100644
index 00000000000000..b25dcd14909410
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_Ed448.https.any.js
@@ -0,0 +1,5 @@
+// META: title=WebCryptoAPI: generateKey() for Failures
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=failures.js
+run_test(["Ed448"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X25519.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X25519.https.any.js
new file mode 100644
index 00000000000000..2662d8697a9a6f
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X25519.https.any.js
@@ -0,0 +1,5 @@
+// META: title=WebCryptoAPI: generateKey() for Failures
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=failures.js
+run_test(["X25519"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X448.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X448.https.any.js
new file mode 100644
index 00000000000000..455e260d1fe920
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/failures_X448.https.any.js
@@ -0,0 +1,5 @@
+// META: title=WebCryptoAPI: generateKey() for Failures
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=failures.js
+run_test(["X448"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/successes.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes.js
index b99e44d66d40f8..4a047aa0609d7a 100644
--- a/test/fixtures/wpt/WebCryptoAPI/generateKey/successes.js
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes.js
@@ -26,7 +26,11 @@ function run_test(algorithmNames, slowTest) {
         {name: "RSA-PSS",  resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
         {name: "RSA-OAEP", resultType: "CryptoKeyPair", usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"], mandatoryUsages: ["decrypt", "unwrapKey"]},
         {name: "ECDSA",    resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
-        {name: "ECDH",     resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]}
+        {name: "ECDH",     resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]},
+        {name: "Ed25519",  resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
+        {name: "Ed448",    resultType: "CryptoKeyPair", usages: ["sign", "verify"], mandatoryUsages: ["sign"]},
+        {name: "X25519",   resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]},
+        {name: "X448",     resultType: "CryptoKeyPair", usages: ["deriveKey", "deriveBits"], mandatoryUsages: ["deriveKey", "deriveBits"]},
     ];
 
     var testVectors = [];
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed25519.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed25519.https.any.js
new file mode 100644
index 00000000000000..6b3bc460f60f2f
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed25519.https.any.js
@@ -0,0 +1,6 @@
+// META: title=WebCryptoAPI: generateKey() Successful Calls
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=/common/subset-tests.js
+// META: script=successes.js
+run_test(["Ed25519"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed448.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed448.https.any.js
new file mode 100644
index 00000000000000..8e37f57b244b58
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_Ed448.https.any.js
@@ -0,0 +1,6 @@
+// META: title=WebCryptoAPI: generateKey() Successful Calls
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=/common/subset-tests.js
+// META: script=successes.js
+run_test(["Ed448"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X25519.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X25519.https.any.js
new file mode 100644
index 00000000000000..0e87cf50108e69
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X25519.https.any.js
@@ -0,0 +1,6 @@
+// META: title=WebCryptoAPI: generateKey() Successful Calls
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=/common/subset-tests.js
+// META: script=successes.js
+run_test(["X25519"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X448.https.any.js b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X448.https.any.js
new file mode 100644
index 00000000000000..e7dbe32696d8fe
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/generateKey/successes_X448.https.any.js
@@ -0,0 +1,6 @@
+// META: title=WebCryptoAPI: generateKey() Successful Calls
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=/common/subset-tests.js
+// META: script=successes.js
+run_test(["X448"]);
diff --git a/test/fixtures/wpt/WebCryptoAPI/getRandomValues.any.js b/test/fixtures/wpt/WebCryptoAPI/getRandomValues.any.js
index a6762353798f43..1a3370ea13d2c0 100644
--- a/test/fixtures/wpt/WebCryptoAPI/getRandomValues.any.js
+++ b/test/fixtures/wpt/WebCryptoAPI/getRandomValues.any.js
@@ -8,12 +8,24 @@ test(function() {
     }, "Float64Array")
 
     assert_throws_dom("TypeMismatchError", function() {
-        self.crypto.getRandomValues(new Float32Array(65537))
+        const len = 65536 / Float32Array.BYTES_PER_ELEMENT + 1;
+        self.crypto.getRandomValues(new Float32Array(len));
     }, "Float32Array (too long)")
     assert_throws_dom("TypeMismatchError", function() {
-        self.crypto.getRandomValues(new Float64Array(65537))
+        const len = 65536 / Float64Array.BYTES_PER_ELEMENT + 1;
+        self.crypto.getRandomValues(new Float64Array(len))
     }, "Float64Array (too long)")
-}, "Float arrays")
+}, "Float arrays");
+
+test(function() {
+    assert_throws_dom("TypeMismatchError", function() {
+        self.crypto.getRandomValues(new DataView(new ArrayBuffer(6)))
+    }, "DataView")
+
+    assert_throws_dom("TypeMismatchError", function() {
+        self.crypto.getRandomValues(new DataView(new ArrayBuffer(65536 + 1)))
+    }, "DataView (too long)")
+}, "DataView");
 
 const arrays = [
     'Int8Array',
diff --git a/test/fixtures/wpt/WebCryptoAPI/import_export/okp_importKey.https.any.js b/test/fixtures/wpt/WebCryptoAPI/import_export/okp_importKey.https.any.js
new file mode 100644
index 00000000000000..836d6eaa305710
--- /dev/null
+++ b/test/fixtures/wpt/WebCryptoAPI/import_export/okp_importKey.https.any.js
@@ -0,0 +1,282 @@
+// META: title=WebCryptoAPI: importKey() for OKP keys
+// META: timeout=long
+
+// Test importKey and exportKey for OKP algorithms. Only "happy paths" are
+// currently tested - those where the operation should succeed.
+
+    var subtle = crypto.subtle;
+
+    var keyData = {
+        "Ed25519": {
+            spki: new Uint8Array([48, 42, 48, 5, 6, 3, 43, 101, 112, 3, 33, 0, 216, 225, 137, 99, 216, 9, 212, 135, 217, 84, 154, 204, 174, 198, 116, 46, 126, 235, 162, 77, 138, 13, 59, 20, 183, 227, 202, 234, 6, 137, 61, 204]),
+            pkcs8: new Uint8Array([48, 46, 2, 1, 0, 48, 5, 6, 3, 43, 101, 112, 4, 34, 4, 32, 243, 200, 244, 196, 141, 248, 120, 20, 110, 140, 211, 191, 109, 244, 229, 14, 56, 155, 167, 7, 78, 21, 194, 53, 45, 205, 93, 48, 141, 76, 168, 31]),
+            jwk: {
+                crv: "Ed25519",
+                d: "88j0xI34eBRujNO_bfTlDjibpwdOFcI1Lc1dMI1MqB8",
+                x: "2OGJY9gJ1IfZVJrMrsZ0Ln7rok2KDTsUt-PK6gaJPcw",
+                kty: "OKP"
+            }
+        },
+
+        "Ed448": {
+            spki: new Uint8Array([48, 67, 48, 5, 6, 3, 43, 101, 113, 3, 58, 0, 171, 75, 184, 133, 253, 125, 44, 90, 242, 78, 131, 113, 12, 255, 160, 199, 74, 87, 226, 116, 128, 29, 178, 5, 123, 11, 220, 94, 160, 50, 182, 254, 107, 199, 139, 128, 69, 54, 90, 235, 38, 232, 110, 31, 20, 253, 52, 157, 7, 196, 132, 149, 245, 164, 106, 90, 128]),
+            pkcs8: new Uint8Array([48, 71, 2, 1, 0, 48, 5, 6, 3, 43, 101, 113, 4, 59, 4, 57, 14, 255, 3, 69, 140, 40, 224, 23, 156, 82, 29, 227, 18, 201, 105, 183, 131, 67, 72, 236, 171, 153, 26, 96, 227, 178, 233, 167, 158, 76, 217, 228, 128, 239, 41, 23, 18, 210, 200, 61, 4, 114, 114, 213, 201, 244, 40, 102, 79, 105, 109, 38, 112, 69, 143, 29, 46]),
+            jwk: {
+                crv: "Ed448",
+                d: "Dv8DRYwo4BecUh3jEslpt4NDSOyrmRpg47Lpp55M2eSA7ykXEtLIPQRyctXJ9ChmT2ltJnBFjx0u",
+                x: "q0u4hf19LFryToNxDP-gx0pX4nSAHbIFewvcXqAytv5rx4uARTZa6ybobh8U_TSdB8SElfWkalqA",
+                kty: "OKP"
+            }
+        },
+
+        "X25519": {
+            spki: new Uint8Array([48, 42, 48, 5, 6, 3, 43, 101, 110, 3, 33, 0, 28, 242, 177, 230, 2, 46, 197, 55, 55, 30, 215, 245, 62, 84, 250, 17, 84, 216, 62, 152, 235, 100, 234, 81, 250, 229, 179, 48, 124, 254, 151, 6]),
+            pkcs8: new Uint8Array([48, 46, 2, 1, 0, 48, 5, 6, 3, 43, 101, 110, 4, 34, 4, 32, 200, 131, 142, 118, 208, 87, 223, 183, 216, 201, 90, 105, 225, 56, 22, 10, 221, 99, 115, 253, 113, 164, 210, 118, 187, 86, 227, 168, 27, 100, 255, 97]),
+            jwk: {
+                crv: "X25519",
+                d: "yIOOdtBX37fYyVpp4TgWCt1jc_1xpNJ2u1bjqBtk_2E",
+                x: "HPKx5gIuxTc3Htf1PlT6EVTYPpjrZOpR-uWzMHz-lwY",
+                kty: "OKP"
+            }
+        },
+
+        "X448": {
+            spki: new Uint8Array([48, 66, 48, 5, 6, 3, 43, 101, 111, 3, 57, 0, 182, 4, 161, 209, 165, 205, 29, 148, 38, 213, 97, 239, 99, 10, 158, 177, 108, 190, 105, 213, 185, 202, 97, 94, 220, 83, 99, 62, 251, 82, 234, 49, 230, 230, 160, 161, 219, 172, 198, 231, 108, 188, 230, 72, 45, 126, 75, 163, 213, 93, 158, 128, 39, 101, 206, 111]),
+            pkcs8: new Uint8Array([48, 70, 2, 1, 0, 48, 5, 6, 3, 43, 101, 111, 4, 58, 4, 56, 88, 199, 210, 154, 62, 181, 25, 178, 157, 0, 207, 177, 145, 187, 100, 252, 109, 138, 66, 216, 241, 113, 118, 39, 43, 137, 242, 39, 45, 24, 25, 41, 92, 101, 37, 192, 130, 150, 113, 176, 82, 239, 7, 39, 83, 15, 24, 142, 49, 208, 204, 83, 191, 38, 146, 158]),
+            jwk: {
+                crv: "X448",
+                d: "WMfSmj61GbKdAM-xkbtk_G2KQtjxcXYnK4nyJy0YGSlcZSXAgpZxsFLvBydTDxiOMdDMU78mkp4",
+                x: "tgSh0aXNHZQm1WHvYwqesWy-adW5ymFe3FNjPvtS6jHm5qCh26zG52y85kgtfkuj1V2egCdlzm8",
+                kty: "OKP"
+            }
+        },
+
+    };
+
+    // combinations to test
+    var testVectors = [
+        {name: "Ed25519", privateUsages: ["sign"], publicUsages: ["verify"]},
+        {name: "Ed448", privateUsages: ["sign"], publicUsages: ["verify"]},
+        {name: "X25519",  privateUsages: ["deriveKey", "deriveBits"], publicUsages: []},
+        {name: "X448",  privateUsages: ["deriveKey", "deriveBits"], publicUsages: []},
+    ];
+
+    // TESTS ARE HERE:
+    // Test every test vector, along with all available key data
+    testVectors.forEach(function(vector) {
+        [true, false].forEach(function(extractable) {
+
+            // Test public keys first
+            [[]].forEach(function(usages) { // Only valid usages argument is empty array
+                ['spki', 'jwk'].forEach(function(format) {
+                    var algorithm = {name: vector.name};
+                    var data = keyData[vector.name];
+                    if (format === "jwk") { // Not all fields used for public keys
+                        data = {jwk: {kty: keyData[vector.name].jwk.kty, crv: keyData[vector.name].jwk.crv, x: keyData[vector.name].jwk.x}};
+                    }
+
+                    testFormat(format, algorithm, data, vector.name, usages, extractable);
+                });
+
+            });
+
+            // Next, test private keys
+            allValidUsages(vector.privateUsages, []).forEach(function(usages) {
+                ['pkcs8', 'jwk'].forEach(function(format) {
+                    var algorithm = {name: vector.name};
+                    var data = keyData[vector.name];
+
+                    testFormat(format, algorithm, data, vector.name, usages, extractable);
+                });
+            });
+        });
+    });
+
+
+    // Test importKey with a given key format and other parameters. If
+    // extrable is true, export the key and verify that it matches the input.
+    function testFormat(format, algorithm, keyData, keySize, usages, extractable) {
+        promise_test(function(test) {
+            return subtle.importKey(format, keyData[format], algorithm, extractable, usages).
+            then(function(key) {
+                assert_equals(key.constructor, CryptoKey, "Imported a CryptoKey object");
+                if (!extractable) {
+                    return;
+                }
+
+                return subtle.exportKey(format, key).
+                then(function(result) {
+                    if (format !== "jwk") {
+                        assert_true(equalBuffers(keyData[format], result), "Round trip works");
+                    } else {
+                        assert_true(equalJwk(keyData[format], result), "Round trip works");
+                    }
+                }, function(err) {
+                    assert_unreached("Threw an unexpected error: " + err.toString());
+                });
+            }, function(err) {
+                assert_unreached("Threw an unexpected error: " + err.toString());
+            });
+        }, "Good parameters: " + keySize.toString() + " bits " + parameterString(format, keyData[format], algorithm, extractable, usages));
+    }
+
+
+
+    // Helper methods follow:
+
+    // Are two array buffers the same?
+    function equalBuffers(a, b) {
+        if (a.byteLength !== b.byteLength) {
+            return false;
+        }
+
+        var aBytes = new Uint8Array(a);
+        var bBytes = new Uint8Array(b);
+
+        for (var i=0; i 0) {
+                allNonemptySubsetsOf(remainingElements).forEach(function(combination) {
+                    combination.push(firstElement);
+                    results.push(combination);
+                });
+            }
+        }
+
+        return results;
+    }
+
+    // Return a list of all valid usage combinations, given the possible ones
+    // and the ones that are required for a particular operation.
+    function allValidUsages(possibleUsages, requiredUsages) {
+        var allUsages = [];
+
+        allNonemptySubsetsOf(possibleUsages).forEach(function(usage) {
+            for (var i=0; i
Date: Sun, 14 Aug 2022 14:59:02 -0700
Subject: [PATCH 142/147] test: remove cjs loader from stack traces
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

PR-URL: https://github.com/nodejs/node/pull/44197
Reviewed-By: Moshe Atlow 
Reviewed-By: Michaël Zasso 
---
 test/message/core_line_numbers.js             |   2 ++
 test/message/core_line_numbers.out            |   6 ----
 test/message/error_aggregateTwoErrors.js      |   2 ++
 test/message/error_aggregateTwoErrors.out     |  25 ++--------------
 test/message/error_exit.js                    |   2 ++
 test/message/error_exit.out                   |   8 +-----
 test/message/error_with_nul.js                |   1 +
 test/message/error_with_nul.out               | Bin 556 -> 174 bytes
 .../events_unhandled_error_common_trace.js    |   2 ++
 .../events_unhandled_error_common_trace.out   |  10 -------
 .../events_unhandled_error_nexttick.js        |   2 ++
 .../events_unhandled_error_nexttick.out       |   7 -----
 .../events_unhandled_error_sameline.js        |   2 ++
 .../events_unhandled_error_sameline.out       |   9 ------
 .../events_unhandled_error_subclass.js        |   2 ++
 .../events_unhandled_error_subclass.out       |   9 ------
 test/message/if-error-has-good-stack.js       |   2 ++
 test/message/if-error-has-good-stack.out      |  16 ++---------
 test/message/source_map_disabled_by_api.js    |   1 +
 test/message/source_map_disabled_by_api.out   |  10 -------
 test/message/source_map_enabled_by_api.js     |   1 +
 test/message/source_map_enabled_by_api.out    |  10 -------
 test/message/source_map_enclosing_function.js |   2 ++
 .../message/source_map_enclosing_function.out |   5 ----
 test/message/source_map_eval.js               |   2 ++
 test/message/source_map_eval.out              |   8 +-----
 test/message/source_map_no_source_file.js     |   1 +
 test/message/source_map_no_source_file.out    |   8 ------
 .../source_map_reference_error_tabs.js        |   2 ++
 .../source_map_reference_error_tabs.out       |   8 ------
 test/message/source_map_throw_catch.js        |   2 ++
 test/message/source_map_throw_catch.out       |   8 ------
 test/message/source_map_throw_first_tick.js   |   2 ++
 test/message/source_map_throw_first_tick.out  |   8 ------
 test/message/source_map_throw_icu.js          |   2 ++
 test/message/source_map_throw_icu.out         |   8 ------
 .../test-no-extra-info-on-fatal-exception.js  |   1 +
 .../test-no-extra-info-on-fatal-exception.out |  10 ++-----
 .../throw_error_with_getter_throw_traced.js   |  11 -------
 .../throw_error_with_getter_throw_traced.out  |  15 ----------
 test/message/throw_null_traced.js             |   6 ----
 test/message/throw_null_traced.out            |  15 ----------
 test/message/throw_undefined_traced.js        |   6 ----
 test/message/throw_undefined_traced.out       |  15 ----------
 .../undefined_reference_in_new_context.js     |   2 +-
 .../undefined_reference_in_new_context.out    |  11 ++-----
 test/message/vm_display_runtime_error.js      |   2 ++
 test/message/vm_display_runtime_error.out     |  12 --------
 test/message/vm_display_syntax_error.js       |   2 ++
 test/message/vm_display_syntax_error.out      |  12 --------
 test/message/vm_dont_display_runtime_error.js |   2 ++
 .../message/vm_dont_display_runtime_error.out |   6 ----
 test/message/vm_dont_display_syntax_error.js  |   2 ++
 test/message/vm_dont_display_syntax_error.out |   6 ----
 ...t-throw-error-with-getter-throw-traced.mjs |  27 ++++++++++++++++++
 .../test-throw-undefined-or-null-traced.mjs   |  21 ++++++++++++++
 56 files changed, 102 insertions(+), 277 deletions(-)
 delete mode 100644 test/message/throw_error_with_getter_throw_traced.js
 delete mode 100644 test/message/throw_error_with_getter_throw_traced.out
 delete mode 100644 test/message/throw_null_traced.js
 delete mode 100644 test/message/throw_null_traced.out
 delete mode 100644 test/message/throw_undefined_traced.js
 delete mode 100644 test/message/throw_undefined_traced.out
 create mode 100644 test/parallel/test-throw-error-with-getter-throw-traced.mjs
 create mode 100644 test/parallel/test-throw-undefined-or-null-traced.mjs

diff --git a/test/message/core_line_numbers.js b/test/message/core_line_numbers.js
index 221001ed8952d0..585a6042652df1 100644
--- a/test/message/core_line_numbers.js
+++ b/test/message/core_line_numbers.js
@@ -1,5 +1,7 @@
 'use strict';
 require('../common');
+Error.stackTraceLimit = 3;
+
 const punycode = require('punycode');
 
 // This test verifies that line numbers in core modules are reported correctly.
diff --git a/test/message/core_line_numbers.out b/test/message/core_line_numbers.out
index bdba01a223c08f..ee439cac2f4354 100644
--- a/test/message/core_line_numbers.out
+++ b/test/message/core_line_numbers.out
@@ -6,11 +6,5 @@ RangeError: Invalid input
     at error (node:punycode:52:8)
     at Object.decode (node:punycode:*:*)
     at Object. (*test*message*core_line_numbers.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/error_aggregateTwoErrors.js b/test/message/error_aggregateTwoErrors.js
index a59a6b5788d4c2..6cb6cce095b295 100644
--- a/test/message/error_aggregateTwoErrors.js
+++ b/test/message/error_aggregateTwoErrors.js
@@ -2,6 +2,8 @@
 'use strict';
 
 require('../common');
+Error.stackTraceLimit = 1;
+
 const { aggregateTwoErrors } = require('internal/errors');
 
 const originalError = new Error('original');
diff --git a/test/message/error_aggregateTwoErrors.out b/test/message/error_aggregateTwoErrors.out
index 9dd1b206f15208..a84ae7325000b9 100644
--- a/test/message/error_aggregateTwoErrors.out
+++ b/test/message/error_aggregateTwoErrors.out
@@ -1,34 +1,15 @@
 *error_aggregateTwoErrors.js:*
 throw aggregateTwoErrors(err, originalError);
 ^
-AggregateError: original
-    at Object. (*test*message*error_aggregateTwoErrors.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:* {
+[AggregateError: original] {
   code: 'ERR0',
   [errors]: [
     Error: original
-        at Object. (*test*message*error_aggregateTwoErrors.js:*:*)
-        at Module._compile (node:internal/modules/cjs/loader:*:*)
-        at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-        at Module.load (node:internal/modules/cjs/loader:*:*)
-        at Module._load (node:internal/modules/cjs/loader:*:*)
-        at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-        at node:internal/main/run_main_module:*:* {
+        at Object. (*test*message*error_aggregateTwoErrors.js:*:*) {
       code: 'ERR0'
     },
     Error: second error
-        at Object. (*test*message*error_aggregateTwoErrors.js:*:*)
-        at Module._compile (node:internal/modules/cjs/loader:*:*)
-        at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-        at Module.load (node:internal/modules/cjs/loader:*:*)
-        at Module._load (node:internal/modules/cjs/loader:*:*)
-        at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-        at node:internal/main/run_main_module:*:* {
+        at Object. (*test*message*error_aggregateTwoErrors.js:*:*) {
       code: 'ERR1'
     }
   ]
diff --git a/test/message/error_exit.js b/test/message/error_exit.js
index 057a371df24851..51d303015fd8ac 100644
--- a/test/message/error_exit.js
+++ b/test/message/error_exit.js
@@ -21,6 +21,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 1;
+
 const assert = require('assert');
 
 process.on('exit', function(code) {
diff --git a/test/message/error_exit.out b/test/message/error_exit.out
index d10abedb0880ae..4ee2f083b63569 100644
--- a/test/message/error_exit.out
+++ b/test/message/error_exit.out
@@ -7,13 +7,7 @@ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:
 
 1 !== 2
 
-    at Object. (*test*message*error_exit.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:* {
+    at Object. (*test*message*error_exit.js:*:*) {
   generatedMessage: true,
   code: 'ERR_ASSERTION',
   actual: 1,
diff --git a/test/message/error_with_nul.js b/test/message/error_with_nul.js
index 2849e9d21c878c..de49c383fd41a0 100644
--- a/test/message/error_with_nul.js
+++ b/test/message/error_with_nul.js
@@ -1,5 +1,6 @@
 'use strict';
 require('../common');
+Error.stackTraceLimit = 2;
 
 function test() {
   const a = 'abc\0def';
diff --git a/test/message/error_with_nul.out b/test/message/error_with_nul.out
index 91b22a240231aa92e3facb90c42751de95df2f33..7dd4d665555874863591d5ba33d4833ebea75717 100644
GIT binary patch
delta 18
ZcmZ3(vW{`WVs0+K{FGF^tYQT%E&w|G1&sgz

literal 556
zcmbV|yG{c!5Jgk_D_kZnyuCqmp-Z5lLSRk26U8fgjQr3hf6wefBtRgfbvM5E%;Unr
zt$I8Pg*m5eM_*5tTF^r=N=R8xIgOHVl-o&P!{&y6Uxk=UBjFR5{GiHXqZL6!x&E!6
zQ5%M5r#C4fk#m4(Riwu2|^cVxpZzQT}aSlHtNg3
zD~;!hRD7bM`Nm~UruNH7y8yj! (*events_unhandled_error_common_trace.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
 Emitted 'error' event at:
     at quux (*events_unhandled_error_common_trace.js:*:*)
     at Object. (*events_unhandled_error_common_trace.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    [... lines matching original stack trace ...]
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/events_unhandled_error_nexttick.js b/test/message/events_unhandled_error_nexttick.js
index 713031eeefa042..bf508c9788757d 100644
--- a/test/message/events_unhandled_error_nexttick.js
+++ b/test/message/events_unhandled_error_nexttick.js
@@ -1,5 +1,7 @@
 'use strict';
 require('../common');
+Error.stackTraceLimit = 1;
+
 const EventEmitter = require('events');
 const er = new Error();
 process.nextTick(() => {
diff --git a/test/message/events_unhandled_error_nexttick.out b/test/message/events_unhandled_error_nexttick.out
index a5a220da44f94b..7b616c22e37302 100644
--- a/test/message/events_unhandled_error_nexttick.out
+++ b/test/message/events_unhandled_error_nexttick.out
@@ -4,14 +4,7 @@ node:events:*
 
 Error
     at Object. (*events_unhandled_error_nexttick.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
 Emitted 'error' event at:
     at *events_unhandled_error_nexttick.js:*:*
-    at process.processTicksAndRejections (node:internal/process/task_queues:*:*)
 
 Node.js *
diff --git a/test/message/events_unhandled_error_sameline.js b/test/message/events_unhandled_error_sameline.js
index 1e5e77d08c9919..6dad22dd58e393 100644
--- a/test/message/events_unhandled_error_sameline.js
+++ b/test/message/events_unhandled_error_sameline.js
@@ -1,4 +1,6 @@
 'use strict';
 require('../common');
+Error.stackTraceLimit = 1;
+
 const EventEmitter = require('events');
 new EventEmitter().emit('error', new Error());
diff --git a/test/message/events_unhandled_error_sameline.out b/test/message/events_unhandled_error_sameline.out
index f60b0f8572dd5e..dd12176259badf 100644
--- a/test/message/events_unhandled_error_sameline.out
+++ b/test/message/events_unhandled_error_sameline.out
@@ -4,16 +4,7 @@ node:events:*
 
 Error
     at Object. (*events_unhandled_error_sameline.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
 Emitted 'error' event at:
     at Object. (*events_unhandled_error_sameline.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    [... lines matching original stack trace ...]
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/events_unhandled_error_subclass.js b/test/message/events_unhandled_error_subclass.js
index 8303cb2237dc1e..5fc3bc26fb4e93 100644
--- a/test/message/events_unhandled_error_subclass.js
+++ b/test/message/events_unhandled_error_subclass.js
@@ -1,5 +1,7 @@
 'use strict';
 require('../common');
+Error.stackTraceLimit = 1;
+
 const EventEmitter = require('events');
 class Foo extends EventEmitter {}
 new Foo().emit('error', new Error());
diff --git a/test/message/events_unhandled_error_subclass.out b/test/message/events_unhandled_error_subclass.out
index 6733809a8ccaab..3d5d0307e6d792 100644
--- a/test/message/events_unhandled_error_subclass.out
+++ b/test/message/events_unhandled_error_subclass.out
@@ -4,16 +4,7 @@ node:events:*
 
 Error
     at Object. (*events_unhandled_error_subclass.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
 Emitted 'error' event on Foo instance at:
     at Object. (*events_unhandled_error_subclass.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    [... lines matching original stack trace ...]
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/if-error-has-good-stack.js b/test/message/if-error-has-good-stack.js
index 1db25d2fa55a1b..4f529d3e5d17ff 100644
--- a/test/message/if-error-has-good-stack.js
+++ b/test/message/if-error-has-good-stack.js
@@ -1,6 +1,8 @@
 'use strict';
 
 require('../common');
+Error.stackTraceLimit = 4;
+
 const assert = require('assert');
 
 let err;
diff --git a/test/message/if-error-has-good-stack.out b/test/message/if-error-has-good-stack.out
index 6ded3280d20aa1..e394127bd4c473 100644
--- a/test/message/if-error-has-good-stack.out
+++ b/test/message/if-error-has-good-stack.out
@@ -10,26 +10,14 @@ AssertionError [ERR_ASSERTION]: ifError got unwanted exception: test error
     at c (*if-error-has-good-stack.js:*:*)
     at b (*if-error-has-good-stack.js:*:*)
     at a (*if-error-has-good-stack.js:*:*)
-    at Object. (*if-error-has-good-stack.js:*:*)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:* {
+    at Object. (*if-error-has-good-stack.js:*:*) {
   generatedMessage: false,
   code: 'ERR_ASSERTION',
   actual: Error: test error
       at c (*if-error-has-good-stack.js:*:*)
       at b (*if-error-has-good-stack.js:*:*)
       at a (*if-error-has-good-stack.js:*:*)
-      at Object. (*if-error-has-good-stack.js:*:*)
-      at Module._compile (node:internal/modules/cjs/loader:*:*)
-      at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-      at Module.load (node:internal/modules/cjs/loader:*:*)
-      at Module._load (node:internal/modules/cjs/loader:*:*)
-      at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-      at node:internal/main/run_main_module:*:*
+      at Object. (*if-error-has-good-stack.js:*:*),
   expected: null,
   operator: 'ifError'
 }
diff --git a/test/message/source_map_disabled_by_api.js b/test/message/source_map_disabled_by_api.js
index db55d24e1d5df8..93c87f10c14931 100644
--- a/test/message/source_map_disabled_by_api.js
+++ b/test/message/source_map_disabled_by_api.js
@@ -2,6 +2,7 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 5;
 
 process.setSourceMapsEnabled(false);
 
diff --git a/test/message/source_map_disabled_by_api.out b/test/message/source_map_disabled_by_api.out
index f3f93758c1d272..655cd6695e1116 100644
--- a/test/message/source_map_disabled_by_api.out
+++ b/test/message/source_map_disabled_by_api.out
@@ -4,19 +4,9 @@ Error: an error!
     at functionB (*enclosing-call-site-min.js:1:60)
     at functionA (*enclosing-call-site-min.js:1:26)
     at Object. (*enclosing-call-site-min.js:1:199)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
 Error: an error!
     at functionD (*enclosing-call-site.js:16:17)
     at functionC (*enclosing-call-site.js:10:3)
     at functionB (*enclosing-call-site.js:6:3)
     at functionA (*enclosing-call-site.js:2:3)
     at Object. (*enclosing-call-site.js:24:3)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
diff --git a/test/message/source_map_enabled_by_api.js b/test/message/source_map_enabled_by_api.js
index 29e0f9708903a8..f0308b19598988 100644
--- a/test/message/source_map_enabled_by_api.js
+++ b/test/message/source_map_enabled_by_api.js
@@ -1,5 +1,6 @@
 'use strict';
 require('../common');
+Error.stackTraceLimit = 5;
 
 process.setSourceMapsEnabled(true);
 
diff --git a/test/message/source_map_enabled_by_api.out b/test/message/source_map_enabled_by_api.out
index 97547436db091b..082b3f310ed4f9 100644
--- a/test/message/source_map_enabled_by_api.out
+++ b/test/message/source_map_enabled_by_api.out
@@ -4,19 +4,9 @@ Error: an error!
     at functionB (*enclosing-call-site.js:6:3)
     at functionA (*enclosing-call-site.js:2:3)
     at Object. (*enclosing-call-site.js:24:3)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
 Error: an error!
     at functionD (*enclosing-call-site-min.js:1:156)
     at functionC (*enclosing-call-site-min.js:1:97)
     at functionB (*enclosing-call-site-min.js:1:60)
     at functionA (*enclosing-call-site-min.js:1:26)
     at Object. (*enclosing-call-site-min.js:1:199)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
diff --git a/test/message/source_map_enclosing_function.js b/test/message/source_map_enclosing_function.js
index 43b6931bf1e19e..f77bd818f02d78 100644
--- a/test/message/source_map_enclosing_function.js
+++ b/test/message/source_map_enclosing_function.js
@@ -2,4 +2,6 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 5;
+
 require('../fixtures/source-map/enclosing-call-site-min.js');
diff --git a/test/message/source_map_enclosing_function.out b/test/message/source_map_enclosing_function.out
index 7a09c6b92ca41d..5bb920e7eba42a 100644
--- a/test/message/source_map_enclosing_function.out
+++ b/test/message/source_map_enclosing_function.out
@@ -8,10 +8,5 @@ Error: an error!
     at functionB (*enclosing-call-site.js:6:3)
     at functionA (*enclosing-call-site.js:2:3)
     at Object. (*enclosing-call-site.js:24:3)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
 
 Node.js *
diff --git a/test/message/source_map_eval.js b/test/message/source_map_eval.js
index 534d16bd34c28f..404793f05412e4 100644
--- a/test/message/source_map_eval.js
+++ b/test/message/source_map_eval.js
@@ -2,6 +2,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 3;
+
 const fs = require('fs');
 
 const content = fs.readFileSync(require.resolve('../fixtures/source-map/tabs.js'), 'utf8');
diff --git a/test/message/source_map_eval.out b/test/message/source_map_eval.out
index 5fdf5df4e4c80b..5d97e137f7f824 100644
--- a/test/message/source_map_eval.out
+++ b/test/message/source_map_eval.out
@@ -5,12 +5,6 @@
 ReferenceError: alert is not defined
     at Object.eval (*tabs.coffee:26:2)
     at eval (*tabs.coffee:1:14)
-    at Object. (*source_map_eval.js:8:1)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*
+    at Object. (*source_map_eval.js:*:*)
 
 Node.js *
diff --git a/test/message/source_map_no_source_file.js b/test/message/source_map_no_source_file.js
index 971fa5e271550b..53c53416248b77 100644
--- a/test/message/source_map_no_source_file.js
+++ b/test/message/source_map_no_source_file.js
@@ -2,5 +2,6 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 2;
 
 require('../fixtures/source-map/no-source.js');
diff --git a/test/message/source_map_no_source_file.out b/test/message/source_map_no_source_file.out
index aa39992a81de74..cf9329747ba692 100644
--- a/test/message/source_map_no_source_file.out
+++ b/test/message/source_map_no_source_file.out
@@ -5,13 +5,5 @@
 Error: foo
     at Throw (*file-not-exists.ts:2:9)
     at Object. (*file-not-exists.ts:5:1)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
-    at require (node:internal/modules/cjs/helpers:*)
-    at Object. (*source_map_no_source_file.js:6:1)
-    at Module._compile (node:internal/modules/cjs/loader:*)
 
 Node.js *
diff --git a/test/message/source_map_reference_error_tabs.js b/test/message/source_map_reference_error_tabs.js
index f6a39d9d497449..fbe058a5f531bf 100644
--- a/test/message/source_map_reference_error_tabs.js
+++ b/test/message/source_map_reference_error_tabs.js
@@ -2,4 +2,6 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 2;
+
 require('../fixtures/source-map/tabs.js');
diff --git a/test/message/source_map_reference_error_tabs.out b/test/message/source_map_reference_error_tabs.out
index be31c07810edef..7bf2d13305ef12 100644
--- a/test/message/source_map_reference_error_tabs.out
+++ b/test/message/source_map_reference_error_tabs.out
@@ -5,13 +5,5 @@
 ReferenceError: alert is not defined
     at *tabs.coffee:26:2*
     at *tabs.coffee:1:14*
-    at Module._compile (node:internal/modules/cjs/loader:*
-    at Module._extensions..js (node:internal/modules/cjs/loader:*
-    at Module.load (node:internal/modules/cjs/loader:*
-    at Module._load (node:internal/modules/cjs/loader:*
-    at Module.require (node:internal/modules/cjs/loader:*
-    at require (node:internal/modules/cjs/helpers:*
-    at Object. (*source_map_reference_error_tabs.js:*
-    at Module._compile (node:internal/modules/cjs/loader:*
 
 Node.js *
diff --git a/test/message/source_map_throw_catch.js b/test/message/source_map_throw_catch.js
index f3a887474bfbac..603fa81867bcbe 100644
--- a/test/message/source_map_throw_catch.js
+++ b/test/message/source_map_throw_catch.js
@@ -2,6 +2,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 2;
+
 try {
   require('../fixtures/source-map/typescript-throw');
 } catch (err) {
diff --git a/test/message/source_map_throw_catch.out b/test/message/source_map_throw_catch.out
index c66aa43d063019..662d4b5bee4dab 100644
--- a/test/message/source_map_throw_catch.out
+++ b/test/message/source_map_throw_catch.out
@@ -2,11 +2,3 @@ reachable
 Error: an exception
     at *typescript-throw.ts:18:11*
     at *typescript-throw.ts:24:1*
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
-    at require (node:internal/modules/cjs/helpers:*)
-    at Object. (*source_map_throw_catch.js:6:3)
-    at Module._compile (node:internal/modules/cjs/loader:*)
diff --git a/test/message/source_map_throw_first_tick.js b/test/message/source_map_throw_first_tick.js
index b691b51f355194..9bf1a353cf18be 100644
--- a/test/message/source_map_throw_first_tick.js
+++ b/test/message/source_map_throw_first_tick.js
@@ -2,4 +2,6 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 2;
+
 require('../fixtures/source-map/typescript-throw');
diff --git a/test/message/source_map_throw_first_tick.out b/test/message/source_map_throw_first_tick.out
index 9769127c39bdbc..792be67aae089f 100644
--- a/test/message/source_map_throw_first_tick.out
+++ b/test/message/source_map_throw_first_tick.out
@@ -5,13 +5,5 @@ reachable
 Error: an exception
     at *typescript-throw.ts:18:11*
     at *typescript-throw.ts:24:1*
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Module.require (node:internal/modules/cjs/loader:*)
-    at require (node:internal/modules/cjs/helpers:*)
-    at Object. (*source_map_throw_first_tick.js:5:1)
-    at Module._compile (node:internal/modules/cjs/loader:*)
 
 Node.js *
diff --git a/test/message/source_map_throw_icu.js b/test/message/source_map_throw_icu.js
index 00298edc5ed81a..672c1575c6547a 100644
--- a/test/message/source_map_throw_icu.js
+++ b/test/message/source_map_throw_icu.js
@@ -2,4 +2,6 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 2;
+
 require('../fixtures/source-map/icu');
diff --git a/test/message/source_map_throw_icu.out b/test/message/source_map_throw_icu.out
index d9a82958395650..65297956f92437 100644
--- a/test/message/source_map_throw_icu.out
+++ b/test/message/source_map_throw_icu.out
@@ -5,13 +5,5 @@
 Error: an error
     at *icu.jsx:3:23*
     at *icu.jsx:9:5*
-    at Module._compile (node:internal/modules/cjs/loader:*
-    at Module._extensions..js (node:internal/modules/cjs/loader:*
-    at Module.load (node:internal/modules/cjs/loader:*
-    at Module._load (node:internal/modules/cjs/loader:*
-    at Module.require (node:internal/modules/cjs/loader:*
-    at require (node:internal/modules/cjs/helpers:*
-    at Object. (*source_map_throw_icu.js:*
-    at Module._compile (node:internal/modules/cjs/loader:*
 
 Node.js *
diff --git a/test/message/test-no-extra-info-on-fatal-exception.js b/test/message/test-no-extra-info-on-fatal-exception.js
index 948274d2bb5491..dbc61b0f2382e0 100644
--- a/test/message/test-no-extra-info-on-fatal-exception.js
+++ b/test/message/test-no-extra-info-on-fatal-exception.js
@@ -2,5 +2,6 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 1;
 
 throw new Error('foo');
diff --git a/test/message/test-no-extra-info-on-fatal-exception.out b/test/message/test-no-extra-info-on-fatal-exception.out
index 0390dacb8d5f42..d26573344cc41a 100644
--- a/test/message/test-no-extra-info-on-fatal-exception.out
+++ b/test/message/test-no-extra-info-on-fatal-exception.out
@@ -1,12 +1,6 @@
-*:6
+*:7
 throw new Error('foo');
 ^
 
 Error: foo
-    at Object. (*:6:7)
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
+    at Object. (*:7:7)
diff --git a/test/message/throw_error_with_getter_throw_traced.js b/test/message/throw_error_with_getter_throw_traced.js
deleted file mode 100644
index 609bd9caf83fe2..00000000000000
--- a/test/message/throw_error_with_getter_throw_traced.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// Flags: --trace-uncaught
-'use strict';
-require('../common');
-throw {  // eslint-disable-line no-throw-literal
-  get stack() {
-    throw new Error('weird throw but ok');
-  },
-  get name() {
-    throw new Error('weird throw but ok');
-  },
-};
diff --git a/test/message/throw_error_with_getter_throw_traced.out b/test/message/throw_error_with_getter_throw_traced.out
deleted file mode 100644
index 87310042ad2213..00000000000000
--- a/test/message/throw_error_with_getter_throw_traced.out
+++ /dev/null
@@ -1,15 +0,0 @@
-
-*:4
-throw {  // eslint-disable-line no-throw-literal
-^
-[object Object]
-Thrown at:
-    at *throw_error_with_getter_throw_traced.js:*:*
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at executeUserEntryPoint (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
-
-Node.js *
diff --git a/test/message/throw_null_traced.js b/test/message/throw_null_traced.js
deleted file mode 100644
index fee8928f887403..00000000000000
--- a/test/message/throw_null_traced.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// Flags: --trace-uncaught
-'use strict';
-require('../common');
-
-// eslint-disable-next-line no-throw-literal
-throw null;
diff --git a/test/message/throw_null_traced.out b/test/message/throw_null_traced.out
deleted file mode 100644
index 0344dc27e0a428..00000000000000
--- a/test/message/throw_null_traced.out
+++ /dev/null
@@ -1,15 +0,0 @@
-
-*test*message*throw_null_traced.js:*
-throw null;
-^
-null
-Thrown at:
-    at *throw_null_traced.js:*:*
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at executeUserEntryPoint (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
-
-Node.js *
diff --git a/test/message/throw_undefined_traced.js b/test/message/throw_undefined_traced.js
deleted file mode 100644
index f6ded43378dc91..00000000000000
--- a/test/message/throw_undefined_traced.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// Flags: --trace-uncaught
-'use strict';
-require('../common');
-
-// eslint-disable-next-line no-throw-literal
-throw undefined;
diff --git a/test/message/throw_undefined_traced.out b/test/message/throw_undefined_traced.out
deleted file mode 100644
index 148085f094a8d0..00000000000000
--- a/test/message/throw_undefined_traced.out
+++ /dev/null
@@ -1,15 +0,0 @@
-
-*test*message*throw_undefined_traced.js:*
-throw undefined;
-^
-undefined
-Thrown at:
-    at *throw_undefined_traced.js:*:*
-    at Module._compile (node:internal/modules/cjs/loader:*:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*:*)
-    at Module.load (node:internal/modules/cjs/loader:*:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at executeUserEntryPoint (node:internal/modules/run_main:*:*)
-    at node:internal/main/run_main_module:*:*
-
-Node.js *
diff --git a/test/message/undefined_reference_in_new_context.js b/test/message/undefined_reference_in_new_context.js
index 7cb68ec5b3b3df..29a67632f8f7dd 100644
--- a/test/message/undefined_reference_in_new_context.js
+++ b/test/message/undefined_reference_in_new_context.js
@@ -26,6 +26,6 @@ const vm = require('vm');
 console.error('before');
 
 // undefined reference
-vm.runInNewContext('foo.bar = 5;');
+vm.runInNewContext('Error.stackTraceLimit = 5; foo.bar = 5;');
 
 console.error('after');
diff --git a/test/message/undefined_reference_in_new_context.out b/test/message/undefined_reference_in_new_context.out
index 3bfa1c5b967dd8..8d8228bd902950 100644
--- a/test/message/undefined_reference_in_new_context.out
+++ b/test/message/undefined_reference_in_new_context.out
@@ -1,18 +1,13 @@
 before
 evalmachine.:1
-foo.bar = 5;
-^
+Error.stackTraceLimit = 5; foo.bar = 5;
+                           ^
 
 ReferenceError: foo is not defined
-    at evalmachine.:1:1
+    at evalmachine.:*:*
     at Script.runInContext (node:vm:*)
     at Script.runInNewContext (node:vm:*)
     at Object.runInNewContext (node:vm:*)
     at Object. (*test*message*undefined_reference_in_new_context.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at *..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
 
 Node.js *
diff --git a/test/message/vm_display_runtime_error.js b/test/message/vm_display_runtime_error.js
index 3ebbb1464d135d..80505cb02f3f3b 100644
--- a/test/message/vm_display_runtime_error.js
+++ b/test/message/vm_display_runtime_error.js
@@ -21,6 +21,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 4;
+
 const vm = require('vm');
 
 console.error('beginning');
diff --git a/test/message/vm_display_runtime_error.out b/test/message/vm_display_runtime_error.out
index 857525e4a4768a..6dc8a703b4b7cd 100644
--- a/test/message/vm_display_runtime_error.out
+++ b/test/message/vm_display_runtime_error.out
@@ -8,12 +8,6 @@ Error: boo!
     at Script.runInThisContext (node:vm:*)
     at Object.runInThisContext (node:vm:*)
     at Object. (*test*message*vm_display_runtime_error.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*:*
 test.vm:1
 throw new Error("spooky!")
 ^
@@ -23,11 +17,5 @@ Error: spooky!
     at Script.runInThisContext (node:vm:*)
     at Object.runInThisContext (node:vm:*)
     at Object. (*test*message*vm_display_runtime_error.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/vm_display_syntax_error.js b/test/message/vm_display_syntax_error.js
index ac9b4d17bd147b..f47d8d477ececc 100644
--- a/test/message/vm_display_syntax_error.js
+++ b/test/message/vm_display_syntax_error.js
@@ -21,6 +21,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 4;
+
 const vm = require('vm');
 
 console.error('beginning');
diff --git a/test/message/vm_display_syntax_error.out b/test/message/vm_display_syntax_error.out
index 427f593e9e9a21..371ebfccdc3e1d 100644
--- a/test/message/vm_display_syntax_error.out
+++ b/test/message/vm_display_syntax_error.out
@@ -7,12 +7,6 @@ SyntaxError: Unexpected number
     at createScript (node:vm:*)
     at Object.runInThisContext (node:vm:*)
     at Object. (*test*message*vm_display_syntax_error.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*:*
 test.vm:1
 var 5;
     ^
@@ -21,11 +15,5 @@ SyntaxError: Unexpected number
     at createScript (node:vm:*)
     at Object.runInThisContext (node:vm:*)
     at Object. (*test*message*vm_display_syntax_error.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/vm_dont_display_runtime_error.js b/test/message/vm_dont_display_runtime_error.js
index 49203684ed6609..44bdaf42d9b234 100644
--- a/test/message/vm_dont_display_runtime_error.js
+++ b/test/message/vm_dont_display_runtime_error.js
@@ -21,6 +21,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 4;
+
 const vm = require('vm');
 
 console.error('beginning');
diff --git a/test/message/vm_dont_display_runtime_error.out b/test/message/vm_dont_display_runtime_error.out
index a2811489275b17..78b6a67c5aff2f 100644
--- a/test/message/vm_dont_display_runtime_error.out
+++ b/test/message/vm_dont_display_runtime_error.out
@@ -9,11 +9,5 @@ Error: boo!
     at Script.runInThisContext (node:vm:*)
     at Object.runInThisContext (node:vm:*)
     at Object. (*test*message*vm_dont_display_runtime_error.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/message/vm_dont_display_syntax_error.js b/test/message/vm_dont_display_syntax_error.js
index 38c49ad1a65315..01ab0b6395c69b 100644
--- a/test/message/vm_dont_display_syntax_error.js
+++ b/test/message/vm_dont_display_syntax_error.js
@@ -21,6 +21,8 @@
 
 'use strict';
 require('../common');
+Error.stackTraceLimit = 4;
+
 const vm = require('vm');
 
 console.error('beginning');
diff --git a/test/message/vm_dont_display_syntax_error.out b/test/message/vm_dont_display_syntax_error.out
index 2219ee7f2722ad..d7849361d5d230 100644
--- a/test/message/vm_dont_display_syntax_error.out
+++ b/test/message/vm_dont_display_syntax_error.out
@@ -9,11 +9,5 @@ SyntaxError: Unexpected number
     at createScript (node:vm:*)
     at Object.runInThisContext (node:vm:*)
     at Object. (*test*message*vm_dont_display_syntax_error.js:*)
-    at Module._compile (node:internal/modules/cjs/loader:*)
-    at Module._extensions..js (node:internal/modules/cjs/loader:*)
-    at Module.load (node:internal/modules/cjs/loader:*)
-    at Module._load (node:internal/modules/cjs/loader:*)
-    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*)
-    at node:internal/main/run_main_module:*:*
 
 Node.js *
diff --git a/test/parallel/test-throw-error-with-getter-throw-traced.mjs b/test/parallel/test-throw-error-with-getter-throw-traced.mjs
new file mode 100644
index 00000000000000..50dfed3292df8f
--- /dev/null
+++ b/test/parallel/test-throw-error-with-getter-throw-traced.mjs
@@ -0,0 +1,27 @@
+import { spawnPromisified } from '../common/index.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
+
+
+describe('--trace-uncaught', () => {
+  it('prints a trace on process exit for uncaught errors', async () => {
+    const { code, signal, stderr } = await spawnPromisified(execPath, [
+      '--trace-uncaught',
+      '--eval',
+      `throw {
+        get stack() {
+          throw new Error('weird throw but ok');
+        },
+        get name() {
+          throw new Error('weird throw but ok');
+        },
+      };`,
+    ]);
+
+    assert.match(stderr, /^Thrown at:$/m);
+    assert.match(stderr, /^ {4}at \[eval\]:1:1$/m);
+    assert.strictEqual(code, 1);
+    assert.strictEqual(signal, null);
+  });
+});
diff --git a/test/parallel/test-throw-undefined-or-null-traced.mjs b/test/parallel/test-throw-undefined-or-null-traced.mjs
new file mode 100644
index 00000000000000..e27339365b0edf
--- /dev/null
+++ b/test/parallel/test-throw-undefined-or-null-traced.mjs
@@ -0,0 +1,21 @@
+import { spawnPromisified } from '../common/index.mjs';
+import assert from 'node:assert';
+import { execPath } from 'node:process';
+import { describe, it } from 'node:test';
+
+
+describe('--trace-uncaught', () => {
+  it('prints a trace on process exit for uncaught errors', async () => {
+    for (const value of [null, undefined]) {
+      const { code, signal, stderr } = await spawnPromisified(execPath, [
+        '--trace-uncaught',
+        '--eval',
+        `throw ${value};`,
+      ]);
+      assert.match(stderr, /^Thrown at:$/m);
+      assert.match(stderr, /^ {4}at \[eval\]:1:1$/m);
+      assert.strictEqual(code, 1);
+      assert.strictEqual(signal, null);
+    }
+  });
+});

From ceb62e5be828ef08db9aecfda2100b94ea452ba9 Mon Sep 17 00:00:00 2001
From: Chengzhong Wu 
Date: Wed, 10 Aug 2022 09:35:43 +0000
Subject: [PATCH 143/147] src: remove usage on
 ScriptCompiler::CompileFunctionInContext
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

V8 APIs like HostImportModuleDynamicallyCallback and
ScriptCompiler::CompileFunction is moving away from ScriptOrModule.

Replaces ScriptCompiler::CompileFunctionInContext with
ScriptCompiler::CompileFunction to remove the usages on the optional
out param ScriptOrModule.

PR-URL: https://github.com/nodejs/node/pull/44198
Fixes: https://github.com/nodejs/node-v8/issues/214
Reviewed-By: Michaël Zasso 
Reviewed-By: Joyee Cheung 
---
 src/node_builtins.cc     | 22 +++++++++++-----------
 src/node_contextify.cc   | 27 ++++++++++++++-------------
 src/node_contextify.h    |  4 ++--
 src/node_snapshotable.cc | 14 +++++++-------
 4 files changed, 34 insertions(+), 33 deletions(-)

diff --git a/src/node_builtins.cc b/src/node_builtins.cc
index 150fb0064851c8..93ae8d13a336a7 100644
--- a/src/node_builtins.cc
+++ b/src/node_builtins.cc
@@ -243,9 +243,9 @@ MaybeLocal BuiltinLoader::LookupAndCompileInternal(
   ScriptCompiler::CachedData* cached_data = nullptr;
   {
     // Note: The lock here should not extend into the
-    // `CompileFunctionInContext()` call below, because this function may
-    // recurse if there is a syntax error during bootstrap (because the fatal
-    // exception handler is invoked, which may load built-in modules).
+    // `CompileFunction()` call below, because this function may recurse if
+    // there is a syntax error during bootstrap (because the fatal exception
+    // handler is invoked, which may load built-in modules).
     Mutex::ScopedLock lock(code_cache_mutex_);
     auto cache_it = code_cache_.find(id);
     if (cache_it != code_cache_.end()) {
@@ -267,20 +267,20 @@ MaybeLocal BuiltinLoader::LookupAndCompileInternal(
                      has_cache ? "with" : "without");
 
   MaybeLocal maybe_fun =
-      ScriptCompiler::CompileFunctionInContext(context,
-                                               &script_source,
-                                               parameters->size(),
-                                               parameters->data(),
-                                               0,
-                                               nullptr,
-                                               options);
+      ScriptCompiler::CompileFunction(context,
+                                      &script_source,
+                                      parameters->size(),
+                                      parameters->data(),
+                                      0,
+                                      nullptr,
+                                      options);
 
   // This could fail when there are early errors in the built-in modules,
   // e.g. the syntax errors
   Local fun;
   if (!maybe_fun.ToLocal(&fun)) {
     // In the case of early errors, v8 is already capable of
-    // decorating the stack for us - note that we use CompileFunctionInContext
+    // decorating the stack for us - note that we use CompileFunction
     // so there is no need to worry about wrappers.
     return MaybeLocal();
   }
diff --git a/src/node_contextify.cc b/src/node_contextify.cc
index 75c0d45b4c8aeb..8d3a580bf0ddb1 100644
--- a/src/node_contextify.cc
+++ b/src/node_contextify.cc
@@ -70,7 +70,6 @@ using v8::PropertyHandlerFlags;
 using v8::Script;
 using v8::ScriptCompiler;
 using v8::ScriptOrigin;
-using v8::ScriptOrModule;
 using v8::String;
 using v8::Uint32;
 using v8::UnboundScript;
@@ -1126,11 +1125,15 @@ void ContextifyContext::CompileFunction(
     }
   }
 
-  Local script;
-  MaybeLocal maybe_fn = ScriptCompiler::CompileFunctionInContext(
-      parsing_context, &source, params.size(), params.data(),
-      context_extensions.size(), context_extensions.data(), options,
-      v8::ScriptCompiler::NoCacheReason::kNoCacheNoReason, &script);
+  MaybeLocal maybe_fn = ScriptCompiler::CompileFunction(
+      parsing_context,
+      &source,
+      params.size(),
+      params.data(),
+      context_extensions.size(),
+      context_extensions.data(),
+      options,
+      v8::ScriptCompiler::NoCacheReason::kNoCacheNoReason);
 
   Local fn;
   if (!maybe_fn.ToLocal(&fn)) {
@@ -1146,7 +1149,7 @@ void ContextifyContext::CompileFunction(
            context).ToLocal(&cache_key)) {
     return;
   }
-  CompiledFnEntry* entry = new CompiledFnEntry(env, cache_key, id, script);
+  CompiledFnEntry* entry = new CompiledFnEntry(env, cache_key, id, fn);
   env->id_to_function_map.emplace(id, entry);
 
   Local result = Object::New(isolate);
@@ -1192,16 +1195,14 @@ void CompiledFnEntry::WeakCallback(
 CompiledFnEntry::CompiledFnEntry(Environment* env,
                                  Local object,
                                  uint32_t id,
-                                 Local script)
-    : BaseObject(env, object),
-      id_(id),
-      script_(env->isolate(), script) {
-  script_.SetWeak(this, WeakCallback, v8::WeakCallbackType::kParameter);
+                                 Local fn)
+    : BaseObject(env, object), id_(id), fn_(env->isolate(), fn) {
+  fn_.SetWeak(this, WeakCallback, v8::WeakCallbackType::kParameter);
 }
 
 CompiledFnEntry::~CompiledFnEntry() {
   env()->id_to_function_map.erase(id_);
-  script_.ClearWeak();
+  fn_.ClearWeak();
 }
 
 static void StartSigintWatchdog(const FunctionCallbackInfo& args) {
diff --git a/src/node_contextify.h b/src/node_contextify.h
index d45b73b36e295d..c9b5fc0f62dcfc 100644
--- a/src/node_contextify.h
+++ b/src/node_contextify.h
@@ -174,14 +174,14 @@ class CompiledFnEntry final : public BaseObject {
   CompiledFnEntry(Environment* env,
                   v8::Local object,
                   uint32_t id,
-                  v8::Local script);
+                  v8::Local fn);
   ~CompiledFnEntry();
 
   bool IsNotIndicativeOfMemoryLeakAtExit() const override { return true; }
 
  private:
   uint32_t id_;
-  v8::Global script_;
+  v8::Global fn_;
 
   static void WeakCallback(const v8::WeakCallbackInfo& data);
 };
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index ecc5f99304ea8d..7c047bb251a993 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -1335,13 +1335,13 @@ void CompileSerializeMain(const FunctionCallbackInfo& args) {
   };
   ScriptCompiler::Source script_source(source, origin);
   Local fn;
-  if (ScriptCompiler::CompileFunctionInContext(context,
-                                               &script_source,
-                                               parameters.size(),
-                                               parameters.data(),
-                                               0,
-                                               nullptr,
-                                               ScriptCompiler::kEagerCompile)
+  if (ScriptCompiler::CompileFunction(context,
+                                      &script_source,
+                                      parameters.size(),
+                                      parameters.data(),
+                                      0,
+                                      nullptr,
+                                      ScriptCompiler::kEagerCompile)
           .ToLocal(&fn)) {
     args.GetReturnValue().Set(fn);
   }

From 900c4c03b9291981413eaf14a80b9458d5201bb9 Mon Sep 17 00:00:00 2001
From: Nick Sia 
Date: Mon, 8 Aug 2022 18:09:17 +0800
Subject: [PATCH 144/147] test: reduce http-server-request-timeouts-mixed
 flakiness

parallel/test-http-server-request-timeouts-mixed.js test was sometimes
failing due to insufficient tolerance between the connection timeout
checking interval, and the expected timeout specified in the test.

This change makes the checking interval more frequent, and decouples
the timeout for the check from the checking interval.

PR-URL: https://github.com/nodejs/node/pull/44169
Reviewed-By: Luigi Pinca 
---
 test/parallel/test-http-server-request-timeouts-mixed.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/test/parallel/test-http-server-request-timeouts-mixed.js b/test/parallel/test-http-server-request-timeouts-mixed.js
index 41b7542c1bdbed..918aa159b6b386 100644
--- a/test/parallel/test-http-server-request-timeouts-mixed.js
+++ b/test/parallel/test-http-server-request-timeouts-mixed.js
@@ -15,7 +15,7 @@ const responseOk = 'HTTP/1.1 200 OK\r\n';
 const responseTimeout = 'HTTP/1.1 408 Request Timeout\r\n';
 
 const headersTimeout = common.platformTimeout(2000);
-const connectionsCheckingInterval = headersTimeout / 4;
+const connectionsCheckingInterval = headersTimeout / 8;
 
 const server = createServer({
   headersTimeout,
@@ -76,7 +76,8 @@ server.listen(0, common.mustCall(() => {
 
     // Send the second request, stop in the middle of the headers
     request2.client.write(requestBodyPart1);
-    // Send the second request, stop in the middle of the headers
+
+    // Send the third request and stop in the middle of the headers
     request3.client.write(requestBodyPart1);
   }, headersTimeout * 0.2);
 
@@ -111,7 +112,7 @@ server.listen(0, common.mustCall(() => {
 
     assert(request1.response.startsWith(responseOk));
     assert(request2.response.startsWith(responseTimeout)); // It is expired due to headersTimeout
-  }, headersTimeout * 1.2 + connectionsCheckingInterval);
+  }, headersTimeout * 1.4);
 
   setTimeout(() => {
     // Complete the body for the fourth request

From 741402daff2c52b8ceab93ce98ed92fc0cb42219 Mon Sep 17 00:00:00 2001
From: Matthew Peveler 
Date: Thu, 28 Jul 2022 21:02:11 -0400
Subject: [PATCH 145/147] doc: fix added version for readable.closed/destroyed

Signed-off-by: Matthew Peveler 
PR-URL: https://github.com/nodejs/node/pull/44033
Reviewed-By: Luigi Pinca 
---
 doc/api/stream.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/api/stream.md b/doc/api/stream.md
index 75e1825aae9dd6..e8bdab43bdee43 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -1110,7 +1110,7 @@ Implementors should not override this method, but instead implement
 ##### `readable.closed`
 
 
 
 * {boolean}
@@ -1120,7 +1120,7 @@ Is `true` after `'close'` has been emitted.
 ##### `readable.destroyed`
 
 
 
 * {boolean}

From 96c3373dbef9ced780eb9aa29f0763fb3663d2b7 Mon Sep 17 00:00:00 2001
From: Daeyeon Jeong 
Date: Tue, 16 Aug 2022 03:46:13 +0900
Subject: [PATCH 146/147] stream: improve views validation on `BYOBRequest`

- This throws if the view is zero-length when there is an active reader
when using `ReadableStreamBYOBRequest.respondWithNewView()`.

- By doing that, we can get all tests passed in
`readable-byte-streams/bad-buffers-and-views.any.js`.

Signed-off-by: Daeyeon Jeong daeyeon.dev@gmail.com
PR-URL: https://github.com/nodejs/node/pull/44155
Refs: https://streams.spec.whatwg.org/#readable-byte-stream-controller-respond-with-new-view
Reviewed-By: Luigi Pinca 
---
 lib/internal/webstreams/readablestream.js | 9 +++++++++
 test/wpt/status/streams.json              | 8 --------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/lib/internal/webstreams/readablestream.js b/lib/internal/webstreams/readablestream.js
index 5c5c8da724ace9..eed7b668c0d709 100644
--- a/lib/internal/webstreams/readablestream.js
+++ b/lib/internal/webstreams/readablestream.js
@@ -2516,6 +2516,15 @@ function readableByteStreamControllerRespondWithNewView(controller, view) {
   const viewBuffer = ArrayBufferViewGetBuffer(view);
   const viewBufferByteLength = ArrayBufferGetByteLength(viewBuffer);
 
+  if (stream[kState].state === 'closed') {
+    if (viewByteLength !== 0)
+      throw new ERR_INVALID_STATE.TypeError('View is not zero-length');
+  } else {
+    assert(stream[kState].state === 'readable');
+    if (viewByteLength === 0)
+      throw new ERR_INVALID_STATE.TypeError('View is zero-length');
+  }
+
   const {
     byteOffset,
     byteLength,
diff --git a/test/wpt/status/streams.json b/test/wpt/status/streams.json
index e6fd391a620885..b45fb191f2fcf8 100644
--- a/test/wpt/status/streams.json
+++ b/test/wpt/status/streams.json
@@ -4,13 +4,5 @@
   },
   "transferable/deserialize-error.window.js": {
     "skip": "Browser-specific test"
-  },
-  "readable-byte-streams/bad-buffers-and-views.any.js": {
-    "fail": {
-      "note": "TODO: implement detached ArrayBuffer support",
-      "expected": [
-        "ReadableStream with byte source: respondWithNewView() throws if the supplied view's buffer is zero-length (in the readable state)"
-      ]
-    }
   }
 }

From db0b9b6fc9360ec0ab50659d537d5387e27273b2 Mon Sep 17 00:00:00 2001
From: Danielle Adams 
Date: Mon, 15 Aug 2022 22:20:16 -0400
Subject: [PATCH 147/147] 2022-08-16, Version 18.8.0 (Current)

Notable changes:

bootstrap: implement run-time user-land snapshots via --build-snapshot
and --snapshot-blob

This patch introduces `--build-snapshot` and `--snapshot-blob` options
for creating and using user land snapshots.

To generate a snapshot using snapshot.js as an entry point and write
the snapshot blob to snapshot.blob:

```bash
echo "globalThis.foo = 'I am from the snapshot'" > snapshot.js
node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
```

To restore application state from snapshot.blob, with index.js as the
entry point script for the deserialized application:

```bash
echo "console.log(globalThis.foo)" > index.js
node --snapshot-blob snapshot.blob index.js
```

Users can also use the `v8.startupSnapshot` API to specify an entry
point at snapshot building time, thus avoiding the need of an additional
entry script at deserialization time:

```bash
echo "require('v8').startupSnapshot.setDeserializeMainFunction(() => console.log('I am from the snapshot'))" > snapshot.js
node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
node --snapshot-blob snapshot.blob
```

Contributed by Joyee Cheung in https://github.com/nodejs/node/pull/38905

Other notable changes:

* crypto:
  * (SEMVER-MINOR) allow zero-length IKM in HKDF and in webcrypto PBKDF2
  (Filip Skokan) https://github.com/nodejs/node/pull/44201
  * (SEMVER-MINOR) allow zero-length secret KeyObject (Filip Skokan) https://github.com/nodejs/node/pull/44201
* doc:
  * add MoLow to collaborators (Moshe Atlow) https://github.com/nodejs/node/pull/44214
  * add ErickWendel to collaborators (Erick Wendel) https://github.com/nodejs/node/pull/44088
* http:
  * (SEMVER-MINOR) make idle http parser count configurable (theanarkh) https://github.com/nodejs/node/pull/43974
* net:
  * (SEMVER-MINOR) add local family (theanarkh) https://github.com/nodejs/node/pull/43975
* src:
  * (SEMVER-MINOR) add detailed embedder process initialization API (Anna
  Henningsen) https://github.com/nodejs/node/pull/44121
  * (SEMVER-MINOR) print source map error source on demand (Chengzhong
  Wu) https://github.com/nodejs/node/pull/43875
* tls:
  * (SEMVER-MINOR) pass a valid socket on `tlsClientError` (Daeyeon
  Jeong) https://github.com/nodejs/node/pull/44021
* worker:
  * deprecate `--trace-atomics-wait` (Keyhan Vakil) https://github.com/nodejs/node/pull/44093
---
 CHANGELOG.md                    |   3 +-
 doc/api/assert.md               |   6 +-
 doc/api/cli.md                  |   8 +-
 doc/api/crypto.md               |   6 +-
 doc/api/deprecations.md         |   2 +-
 doc/api/http.md                 |   2 +-
 doc/api/net.md                  |   2 +-
 doc/api/test.md                 |  20 +--
 doc/changelogs/CHANGELOG_V18.md | 207 ++++++++++++++++++++++++++++++++
 src/node_version.h              |   6 +-
 10 files changed, 235 insertions(+), 27 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc3487ce620ffb..301c850ffae68f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,7 +35,8 @@ release.
 
 
   
-18.7.0
      
+18.8.0
      
+18.7.0
      
 18.6.0
      
 18.5.0
      
 18.4.0
      
diff --git a/doc/api/assert.md b/doc/api/assert.md
index baaf7a6de031f2..2b8eede2b87e57 100644
--- a/doc/api/assert.md
+++ b/doc/api/assert.md
@@ -325,7 +325,7 @@ const callsfunc = tracker.calls(func);
 ### `tracker.getCalls(fn)`
 
 
 
 * `fn` {Function}.
@@ -439,7 +439,7 @@ tracker.report();
 ### `tracker.reset([fn])`
 
 
 
 * `fn` {Function} a tracked function to reset.
@@ -2092,7 +2092,7 @@ argument gets considered.
 ## `assert.snapshot(value, name)`
 
 
 
 > Stability: 1 - Experimental
diff --git a/doc/api/cli.md b/doc/api/cli.md
index 796fab6b2f79de..8c52d6ce3a730a 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -103,7 +103,7 @@ If this flag is passed, the behavior can still be set to not abort through
 ### `--build-snapshot`
 
 
 
 > Stability: 1 - Experimental
@@ -1158,7 +1158,7 @@ The value given must be a power of two.
 ### `--snapshot-blob=path`
 
 
 
 > Stability: 1 - Experimental
@@ -1303,7 +1303,7 @@ for TLSv1.2, which is not as secure as TLSv1.3.
 
 
 
 > Stability: 0 - Deprecated
@@ -1464,7 +1464,7 @@ loading phase, it will always raise it as an uncaught exception.
 ### `--update-assert-snapshot`
 
 
 
 Force updating snapshot files for [`assert.snapshot()`][]
diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index c1f7abd980b8ff..56615a9c154422 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -3533,7 +3533,7 @@ and it will be impossible to extract the private key from the returned object.
 
diff --git a/doc/api/deprecations.md b/doc/api/deprecations.md
index 29ddae6116c2a1..25efb8f0a9e9f9 100644
--- a/doc/api/deprecations.md
+++ b/doc/api/deprecations.md
@@ -3173,7 +3173,7 @@ strings (e.g., '1') are deprecated as parameter in [`process.exit()`][].
 
 
diff --git a/doc/api/http.md b/doc/api/http.md
index 59453490f36bac..028ed2c0bd1ada 100644
--- a/doc/api/http.md
+++ b/doc/api/http.md
@@ -3618,7 +3618,7 @@ try {
 ## `http.setMaxIdleHTTPParsers`
 
 
 
 * {number}
diff --git a/doc/api/net.md b/doc/api/net.md
index 9e74b2a5a79b9c..63ae5d0d019bcc 100644
--- a/doc/api/net.md
+++ b/doc/api/net.md
@@ -1049,7 +1049,7 @@ The numeric representation of the local port. For example, `80` or `21`.
 ### `socket.localFamily`
 
 
 
 * {string}
diff --git a/doc/api/test.md b/doc/api/test.md
index 551259d314bb70..88ade1a97360a7 100644
--- a/doc/api/test.md
+++ b/doc/api/test.md
@@ -321,7 +321,7 @@ internally.
 
 
 * `fn` {Function|AsyncFunction} The hook function.
@@ -477,7 +477,7 @@ describe('tests', async () => {
 ### `after([, fn][, options])`
 
 
 
 * `fn` {Function|AsyncFunction} The hook function.
@@ -505,7 +505,7 @@ describe('tests', async () => {
 ### `beforeEach([, fn][, options])`
 
 
 
 * `fn` {Function|AsyncFunction} The hook function.
@@ -534,7 +534,7 @@ describe('tests', async () => {
 ### `afterEach([, fn][, options])`
 
 
 
 * `fn` {Function|AsyncFunction} The hook function.
@@ -573,7 +573,7 @@ exposed as part of the API.
 ### `context.beforeEach([, fn][, options])`
 
 
 
 * `fn` {Function|AsyncFunction} The hook function. The first argument
@@ -605,7 +605,7 @@ test('top level test', async (t) => {
 ### `context.afterEach([, fn][, options])`
 
 
 
 * `fn` {Function|AsyncFunction} The hook function. The first argument
@@ -655,7 +655,7 @@ test('top level test', (t) => {
 ### `context.name`
 
 
 
 The name of the test.
@@ -743,7 +743,7 @@ test('top level test', (t) => {
 
 
 The name of the suite.
diff --git a/doc/changelogs/CHANGELOG_V18.md b/doc/changelogs/CHANGELOG_V18.md
index ded7476c892a8a..46e01765833b36 100644
--- a/doc/changelogs/CHANGELOG_V18.md
+++ b/doc/changelogs/CHANGELOG_V18.md
@@ -8,6 +8,7 @@
 
 
 
+18.8.0
      
 18.7.0
      
 18.6.0
      
 18.5.0
      
@@ -40,6 +41,212 @@
   * [io.js](CHANGELOG_IOJS.md)
   * [Archive](CHANGELOG_ARCHIVE.md)
 
+
+
+## 2022-08-16, Version 18.8.0 (Current), @danielleadams
+
+### Notable changes
+
+#### bootstrap: implement run-time user-land snapshots via --build-snapshot and --snapshot-blob
+
+This patch introduces `--build-snapshot` and `--snapshot-blob` options for creating and using user land snapshots.
+
+To generate a snapshot using snapshot.js as an entry point and write the snapshot blob to snapshot.blob:
+
+```bash
+echo "globalThis.foo = 'I am from the snapshot'" > snapshot.js
+node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
+```
+
+To restore application state from snapshot.blob, with index.js as the entry point script for the deserialized application:
+
+```bash
+echo "console.log(globalThis.foo)" > index.js
+node --snapshot-blob snapshot.blob index.js
+# => I am from the snapshot
+```
+
+Users can also use the `v8.startupSnapshot` API to specify an entry point at snapshot building time, thus avoiding the need of an additional entry script at deserialization time:
+
+```bash
+echo "require('v8').startupSnapshot.setDeserializeMainFunction(() => console.log('I am from the snapshot'))" > snapshot.js
+node --snapshot-blob snapshot.blob --build-snapshot snapshot.js
+node --snapshot-blob snapshot.blob
+# => I am from the snapshot
+```
+
+Contributed by Joyee Cheung in [#38905](https://github.com/nodejs/node/pull/38905)
+
+### Other notable changes
+
+crypto:
+
+* (SEMVER-MINOR) allow zero-length IKM in HKDF and in webcrypto PBKDF2 (Filip Skokan) [#44201](https://github.com/nodejs/node/pull/44201)
+* (SEMVER-MINOR) allow zero-length secret KeyObject (Filip Skokan) [#44201](https://github.com/nodejs/node/pull/44201)
+  doc:
+* add MoLow to collaborators (Moshe Atlow) [#44214](https://github.com/nodejs/node/pull/44214)
+* add ErickWendel to collaborators (Erick Wendel) [#44088](https://github.com/nodejs/node/pull/44088)
+  http:
+* (SEMVER-MINOR) make idle http parser count configurable (theanarkh) [#43974](https://github.com/nodejs/node/pull/43974)
+  net:
+* (SEMVER-MINOR) add local family (theanarkh) [#43975](https://github.com/nodejs/node/pull/43975)
+  src:
+* (SEMVER-MINOR) add detailed embedder process initialization API (Anna Henningsen) [#44121](https://github.com/nodejs/node/pull/44121)
+* (SEMVER-MINOR) print source map error source on demand (Chengzhong Wu) [#43875](https://github.com/nodejs/node/pull/43875)
+  tls:
+* (SEMVER-MINOR) pass a valid socket on `tlsClientError` (Daeyeon Jeong) [#44021](https://github.com/nodejs/node/pull/44021)
+  worker:
+* deprecate `--trace-atomics-wait` (Keyhan Vakil) [#44093](https://github.com/nodejs/node/pull/44093)
+
+### Commits
+
+* \[[`83a7ffe71e`](https://github.com/nodejs/node/commit/83a7ffe71e)] - **assert**: add `getCalls` and `reset` to callTracker (Moshe Atlow) [#44191](https://github.com/nodejs/node/pull/44191)
+* \[[`fb5884a3af`](https://github.com/nodejs/node/commit/fb5884a3af)] - **assert**: add assert.Snapshot (Moshe Atlow) [#44095](https://github.com/nodejs/node/pull/44095)
+* \[[`98fa488066`](https://github.com/nodejs/node/commit/98fa488066)] - **bootstrap**: check more metadata when loading the snapshot (Joyee Cheung) [#44132](https://github.com/nodejs/node/pull/44132)
+* \[[`bd27b8b8d2`](https://github.com/nodejs/node/commit/bd27b8b8d2)] - **bootstrap**: turn on FunctionCodeHandling::kKeep in the snapshot builder (Joyee Cheung) [#44104](https://github.com/nodejs/node/pull/44104)
+* \[[`2178f1772f`](https://github.com/nodejs/node/commit/2178f1772f)] - **bootstrap**: support more builtins in the embedded code cache (Joyee Cheung) [#44018](https://github.com/nodejs/node/pull/44018)
+* \[[`54c8339e94`](https://github.com/nodejs/node/commit/54c8339e94)] - **(SEMVER-MINOR)** **bootstrap**: clean up warning setup during serialization (Joyee Cheung) [#38905](https://github.com/nodejs/node/pull/38905)
+* \[[`31589b50fd`](https://github.com/nodejs/node/commit/31589b50fd)] - **(SEMVER-MINOR)** **bootstrap**: implement --snapshot-blob and --build-snapshot (Joyee Cheung) [#38905](https://github.com/nodejs/node/pull/38905)
+* \[[`bb346eaaa1`](https://github.com/nodejs/node/commit/bb346eaaa1)] - **build**: enable pointer authentication for branch protection on arm64 (Jeremiah Gowdy) [#43200](https://github.com/nodejs/node/pull/43200)
+* \[[`5e1ab72a98`](https://github.com/nodejs/node/commit/5e1ab72a98)] - **build**: add workflow to label flaky-test platform (Rafael Gonzaga) [#44042](https://github.com/nodejs/node/pull/44042)
+* \[[`2b89d11a2b`](https://github.com/nodejs/node/commit/2b89d11a2b)] - **build**: optimized and fixed building configuration to Android (BuShe) [#44016](https://github.com/nodejs/node/pull/44016)
+* \[[`befe01cac4`](https://github.com/nodejs/node/commit/befe01cac4)] - **build**: allow test-internet on forks if not scheduled (Rich Trott) [#44073](https://github.com/nodejs/node/pull/44073)
+* \[[`273c53247c`](https://github.com/nodejs/node/commit/273c53247c)] - **build**: skip test-internet run on forks (Rich Trott) [#44054](https://github.com/nodejs/node/pull/44054)
+* \[[`45dcd5c8f6`](https://github.com/nodejs/node/commit/45dcd5c8f6)] - **(SEMVER-MINOR)** **crypto**: allow zero-length IKM in HKDF and in webcrypto PBKDF2 (Filip Skokan) [#44201](https://github.com/nodejs/node/pull/44201)
+* \[[`521ad0e476`](https://github.com/nodejs/node/commit/521ad0e476)] - **(SEMVER-MINOR)** **crypto**: allow zero-length secret KeyObject (Filip Skokan) [#44201](https://github.com/nodejs/node/pull/44201)
+* \[[`05bf817e72`](https://github.com/nodejs/node/commit/05bf817e72)] - **crypto**: fix webcrypto deriveBits validations (Filip Skokan) [#44173](https://github.com/nodejs/node/pull/44173)
+* \[[`02bcf13d09`](https://github.com/nodejs/node/commit/02bcf13d09)] - **crypto**: fix webcrypto EC key namedCurve validation errors (Filip Skokan) [#44172](https://github.com/nodejs/node/pull/44172)
+* \[[`a60ae674db`](https://github.com/nodejs/node/commit/a60ae674db)] - **crypto**: fix webcrypto generateKey() AES key length validation error (Filip Skokan) [#44170](https://github.com/nodejs/node/pull/44170)
+* \[[`90f3c5e74f`](https://github.com/nodejs/node/commit/90f3c5e74f)] - **crypto**: fix webcrypto operation errors to be OperationError (Filip Skokan) [#44171](https://github.com/nodejs/node/pull/44171)
+* \[[`c18c64665b`](https://github.com/nodejs/node/commit/c18c64665b)] - **deps**: update corepack to 0.12.3 (Node.js GitHub Bot) [#44229](https://github.com/nodejs/node/pull/44229)
+* \[[`c9602fa2e5`](https://github.com/nodejs/node/commit/c9602fa2e5)] - **deps**: upgrade npm to 8.17.0 (npm team) [#44205](https://github.com/nodejs/node/pull/44205)
+* \[[`273014bd04`](https://github.com/nodejs/node/commit/273014bd04)] - **deps**: update undici to 5.8.2 (Node.js GitHub Bot) [#44187](https://github.com/nodejs/node/pull/44187)
+* \[[`14b34e56f0`](https://github.com/nodejs/node/commit/14b34e56f0)] - **deps**: update undici to 5.8.1 (Node.js GitHub Bot) [#44158](https://github.com/nodejs/node/pull/44158)
+* \[[`7d89e1b4b3`](https://github.com/nodejs/node/commit/7d89e1b4b3)] - **deps**: update corepack to 0.12.2 (Node.js GitHub Bot) [#44159](https://github.com/nodejs/node/pull/44159)
+* \[[`6256bd5b35`](https://github.com/nodejs/node/commit/6256bd5b35)] - **deps**: V8: cherry-pick 9861ce1deae2 (Milad Fa) [#44115](https://github.com/nodejs/node/pull/44115)
+* \[[`646417cdfe`](https://github.com/nodejs/node/commit/646417cdfe)] - **deps**: remove unnecessary file (Brian White) [#44133](https://github.com/nodejs/node/pull/44133)
+* \[[`d6ebc7577e`](https://github.com/nodejs/node/commit/d6ebc7577e)] - **deps**: upgrade npm to 8.16.0 (npm team) [#44119](https://github.com/nodejs/node/pull/44119)
+* \[[`6cfb1ac419`](https://github.com/nodejs/node/commit/6cfb1ac419)] - **deps**: upgrade base64 to dc6a41ce36e (Brian White) [#44032](https://github.com/nodejs/node/pull/44032)
+* \[[`6bf688d1d8`](https://github.com/nodejs/node/commit/6bf688d1d8)] - **deps**: upgrade npm to 8.15.1 (npm team) [#44013](https://github.com/nodejs/node/pull/44013)
+* \[[`c900bc1cdc`](https://github.com/nodejs/node/commit/c900bc1cdc)] - **deps**: cherry-pick 00704f5a from V8 upstream (Keyhan Vakil) [#43921](https://github.com/nodejs/node/pull/43921)
+* \[[`741402daff`](https://github.com/nodejs/node/commit/741402daff)] - **doc**: fix added version for readable.closed/destroyed (Matthew Peveler) [#44033](https://github.com/nodejs/node/pull/44033)
+* \[[`46c92c138c`](https://github.com/nodejs/node/commit/46c92c138c)] - **doc**: improved building doc for Android (BuShe) [#44166](https://github.com/nodejs/node/pull/44166)
+* \[[`a127c48a63`](https://github.com/nodejs/node/commit/a127c48a63)] - **doc**: add MoLow to collaborators (Moshe Atlow) [#44214](https://github.com/nodejs/node/pull/44214)
+* \[[`60de663334`](https://github.com/nodejs/node/commit/60de663334)] - **doc**: update tags in adding-new-napi-api.md (Chengzhong Wu) [#44190](https://github.com/nodejs/node/pull/44190)
+* \[[`03321cb9c8`](https://github.com/nodejs/node/commit/03321cb9c8)] - **doc**: fix typo in diagnostics\_channel (Evan Lucas) [#44199](https://github.com/nodejs/node/pull/44199)
+* \[[`eded43c273`](https://github.com/nodejs/node/commit/eded43c273)] - **doc**: add Retry CI in collaborator guide (Livia Medeiros) [#44130](https://github.com/nodejs/node/pull/44130)
+* \[[`51b4a1bf96`](https://github.com/nodejs/node/commit/51b4a1bf96)] - **doc**: add performance note to `--enable-source-maps` docs (Saurabh Daware) [#43817](https://github.com/nodejs/node/pull/43817)
+* \[[`f461d79a2a`](https://github.com/nodejs/node/commit/f461d79a2a)] - **doc**: remove unused code in call tracker example (Colin Ihrig) [#44127](https://github.com/nodejs/node/pull/44127)
+* \[[`1f33319d13`](https://github.com/nodejs/node/commit/1f33319d13)] - **doc**: add theanarkh to collaborators (theanarkh) [#44131](https://github.com/nodejs/node/pull/44131)
+* \[[`29bbabdaf6`](https://github.com/nodejs/node/commit/29bbabdaf6)] - **doc**: clarify tls.tlsSocket.getCipher().version (Adam Majer) [#44086](https://github.com/nodejs/node/pull/44086)
+* \[[`5adf039bff`](https://github.com/nodejs/node/commit/5adf039bff)] - **doc**: update repository list in onboarding doc (Rich Trott) [#44089](https://github.com/nodejs/node/pull/44089)
+* \[[`1a9ae9160a`](https://github.com/nodejs/node/commit/1a9ae9160a)] - **doc**: add ErickWendel to collaborators (Erick Wendel) [#44088](https://github.com/nodejs/node/pull/44088)
+* \[[`df91dc11fc`](https://github.com/nodejs/node/commit/df91dc11fc)] - **doc**: update collaborator email (Ruy Adorno) [#44044](https://github.com/nodejs/node/pull/44044)
+* \[[`cd64813c5a`](https://github.com/nodejs/node/commit/cd64813c5a)] - **doc**: copyedit `test.md` (Antoine du Hamel) [#44061](https://github.com/nodejs/node/pull/44061)
+* \[[`a6c6e88030`](https://github.com/nodejs/node/commit/a6c6e88030)] - **doc**: add kvakil to triagers (Keyhan Vakil) [#43996](https://github.com/nodejs/node/pull/43996)
+* \[[`c7fdc53db8`](https://github.com/nodejs/node/commit/c7fdc53db8)] - **doc**: clarify part of onboarding guide regarding adding to teams (Darshan Sen) [#44024](https://github.com/nodejs/node/pull/44024)
+* \[[`dd34dd934d`](https://github.com/nodejs/node/commit/dd34dd934d)] - **doc**: fix code examples in `crypto.md` (Antoine du Hamel) [#44053](https://github.com/nodejs/node/pull/44053)
+* \[[`9fd426231d`](https://github.com/nodejs/node/commit/9fd426231d)] - **doc**: claim ABI version for Electron 21 (Keeley Hammond) [#44034](https://github.com/nodejs/node/pull/44034)
+* \[[`d1e69894c0`](https://github.com/nodejs/node/commit/d1e69894c0)] - **doc**: remove old reference from crypto/README.md (Tobias Nießen) [#44012](https://github.com/nodejs/node/pull/44012)
+* \[[`385366533f`](https://github.com/nodejs/node/commit/385366533f)] - **doc**: add missing env vars to man page (cola119) [#43492](https://github.com/nodejs/node/pull/43492)
+* \[[`bf9bceff89`](https://github.com/nodejs/node/commit/bf9bceff89)] - **doc**: list supported MODP groups explicitly (Tobias Nießen) [#43986](https://github.com/nodejs/node/pull/43986)
+* \[[`ad537e6e95`](https://github.com/nodejs/node/commit/ad537e6e95)] - **doc**: fix typo in packages.md (Dominic Saadi) [#44005](https://github.com/nodejs/node/pull/44005)
+* \[[`9856fc72f8`](https://github.com/nodejs/node/commit/9856fc72f8)] - **doc**: fix typos in `test.md` (Antoine du Hamel) [#43997](https://github.com/nodejs/node/pull/43997)
+* \[[`51db3527e8`](https://github.com/nodejs/node/commit/51db3527e8)] - **doc**: add missing test runner option (Moshe Atlow) [#43989](https://github.com/nodejs/node/pull/43989)
+* \[[`68c4e45bae`](https://github.com/nodejs/node/commit/68c4e45bae)] - **doc,worker**: deprecate `--trace-atomics-wait` (Keyhan Vakil) [#44093](https://github.com/nodejs/node/pull/44093)
+* \[[`fd804309cb`](https://github.com/nodejs/node/commit/fd804309cb)] - **errors**: refactor to use optional chaining (SindreXie) [#44184](https://github.com/nodejs/node/pull/44184)
+* \[[`c975427fd5`](https://github.com/nodejs/node/commit/c975427fd5)] - **esm**: do not bind loader hook functions (Antoine du Hamel) [#44122](https://github.com/nodejs/node/pull/44122)
+* \[[`c2ea22f427`](https://github.com/nodejs/node/commit/c2ea22f427)] - **esm**: fix loader hooks accepting too many arguments (Jacob Smith) [#44109](https://github.com/nodejs/node/pull/44109)
+* \[[`c0d2098df4`](https://github.com/nodejs/node/commit/c0d2098df4)] - **esm**: move package config helpers (Geoffrey Booth) [#43967](https://github.com/nodejs/node/pull/43967)
+* \[[`eac875e5c9`](https://github.com/nodejs/node/commit/eac875e5c9)] - **events**: use bitset to save memory (Basit Chonka) [#43700](https://github.com/nodejs/node/pull/43700)
+* \[[`f5fcd49882`](https://github.com/nodejs/node/commit/f5fcd49882)] - **http**: fix error message when specifying headerTimeout for createServer (Nick Sia) [#44163](https://github.com/nodejs/node/pull/44163)
+* \[[`ed36b0dfa7`](https://github.com/nodejs/node/commit/ed36b0dfa7)] - **http**: trace http request / response (theanarkh) [#44102](https://github.com/nodejs/node/pull/44102)
+* \[[`0b909a446c`](https://github.com/nodejs/node/commit/0b909a446c)] - **(SEMVER-MINOR)** **http**: make idle http parser count configurable (theanarkh) [#43974](https://github.com/nodejs/node/pull/43974)
+* \[[`cd8704d771`](https://github.com/nodejs/node/commit/cd8704d771)] - **http**: reuse socket only when it is drained (ywave620) [#43902](https://github.com/nodejs/node/pull/43902)
+* \[[`3af44c6cb6`](https://github.com/nodejs/node/commit/3af44c6cb6)] - **http**: do not leak error listeners (Paolo Insogna) [#43587](https://github.com/nodejs/node/pull/43587)
+* \[[`1c51d83ac8`](https://github.com/nodejs/node/commit/1c51d83ac8)] - **lib**: fix diagnostics channel (theanarkh) [#44154](https://github.com/nodejs/node/pull/44154)
+* \[[`3dbbaa059f`](https://github.com/nodejs/node/commit/3dbbaa059f)] - **lib**: pass env variables to child process on z/OS (alexcfyung) [#42255](https://github.com/nodejs/node/pull/42255)
+* \[[`a0a7bc1662`](https://github.com/nodejs/node/commit/a0a7bc1662)] - **lib**: add missing env vars to --help (cola119) [#43492](https://github.com/nodejs/node/pull/43492)
+* \[[`1a31e38361`](https://github.com/nodejs/node/commit/1a31e38361)] - **lib**: add `Promise` methods to `avoid-prototype-pollution` lint rule (Antoine du Hamel) [#43849](https://github.com/nodejs/node/pull/43849)
+* \[[`40c0f5583f`](https://github.com/nodejs/node/commit/40c0f5583f)] - **meta**: update AUTHORS (Node.js GitHub Bot) [#44231](https://github.com/nodejs/node/pull/44231)
+* \[[`601b03de98`](https://github.com/nodejs/node/commit/601b03de98)] - **meta**: update AUTHORS (Node.js GitHub Bot) [#44161](https://github.com/nodejs/node/pull/44161)
+* \[[`0de278c056`](https://github.com/nodejs/node/commit/0de278c056)] - **meta**: add codeowner for src/node\_snapshot\* (Chengzhong Wu) [#44113](https://github.com/nodejs/node/pull/44113)
+* \[[`62fd899415`](https://github.com/nodejs/node/commit/62fd899415)] - **meta**: update AUTHORS (Node.js GitHub Bot) [#44065](https://github.com/nodejs/node/pull/44065)
+* \[[`c4e8f951f3`](https://github.com/nodejs/node/commit/c4e8f951f3)] - **meta**: shorten PowerShell snippet for bug-report template (NicoNekoru) [#44011](https://github.com/nodejs/node/pull/44011)
+* \[[`3f32526561`](https://github.com/nodejs/node/commit/3f32526561)] - **module**: protect against prototype mutation (Antoine du Hamel) [#44007](https://github.com/nodejs/node/pull/44007)
+* \[[`2a75bcee26`](https://github.com/nodejs/node/commit/2a75bcee26)] - **net**: remove unused callback (theanarkh) [#44204](https://github.com/nodejs/node/pull/44204)
+* \[[`5cb5c65f4f`](https://github.com/nodejs/node/commit/5cb5c65f4f)] - **(SEMVER-MINOR)** **net**: create diagnostics channels lazily (Joyee Cheung) [#38905](https://github.com/nodejs/node/pull/38905)
+* \[[`3348ddef02`](https://github.com/nodejs/node/commit/3348ddef02)] - **(SEMVER-MINOR)** **net**: add local family (theanarkh) [#43975](https://github.com/nodejs/node/pull/43975)
+* \[[`e6a47e85d2`](https://github.com/nodejs/node/commit/e6a47e85d2)] - **net, dns**: socket should handle its output as input (Adam Majer) [#44083](https://github.com/nodejs/node/pull/44083)
+* \[[`6a4e99bc1f`](https://github.com/nodejs/node/commit/6a4e99bc1f)] - **(SEMVER-MINOR)** **net,tls**: pass a valid socket on `tlsClientError` (Daeyeon Jeong) [#44021](https://github.com/nodejs/node/pull/44021)
+* \[[`9fedf35d5e`](https://github.com/nodejs/node/commit/9fedf35d5e)] - **perf\_hooks**: fix gc elapsed time (theanarkh) [#44058](https://github.com/nodejs/node/pull/44058)
+* \[[`ceb62e5be8`](https://github.com/nodejs/node/commit/ceb62e5be8)] - **src**: remove usage on ScriptCompiler::CompileFunctionInContext (Chengzhong Wu) [#44198](https://github.com/nodejs/node/pull/44198)
+* \[[`ce5de6e743`](https://github.com/nodejs/node/commit/ce5de6e743)] - **src**: fix --heapsnapshot-near-heap-limit error hint (Chengzhong Wu) [#44216](https://github.com/nodejs/node/pull/44216)
+* \[[`3359c2c6a3`](https://github.com/nodejs/node/commit/3359c2c6a3)] - **src**: iterate over base objects to prepare for snapshot (Joyee Cheung) [#44192](https://github.com/nodejs/node/pull/44192)
+* \[[`c51d85e25a`](https://github.com/nodejs/node/commit/c51d85e25a)] - **src**: fix cppgc incompatibility in v8 (Shelley Vohr) [#43521](https://github.com/nodejs/node/pull/43521)
+* \[[`70bb6a35ca`](https://github.com/nodejs/node/commit/70bb6a35ca)] - **src**: disambiguate terms used to refer to builtins and addons (Joyee Cheung) [#44135](https://github.com/nodejs/node/pull/44135)
+* \[[`8082c24c60`](https://github.com/nodejs/node/commit/8082c24c60)] - **src**: prevent copying ArrayBufferViewContents (Keyhan Vakil) [#44091](https://github.com/nodejs/node/pull/44091)
+* \[[`9dc33f1923`](https://github.com/nodejs/node/commit/9dc33f1923)] - **(SEMVER-MINOR)** **src**: add detailed embedder process initialization API (Anna Henningsen) [#44121](https://github.com/nodejs/node/pull/44121)
+* \[[`ebff06b8de`](https://github.com/nodejs/node/commit/ebff06b8de)] - **src**: remove usages of GetBackingStore in crypto (Keyhan Vakil) [#44079](https://github.com/nodejs/node/pull/44079)
+* \[[`c7373b73e3`](https://github.com/nodejs/node/commit/c7373b73e3)] - **src**: remove unowned usages of GetBackingStore (Keyhan Vakil) [#44080](https://github.com/nodejs/node/pull/44080)
+* \[[`8a79636528`](https://github.com/nodejs/node/commit/8a79636528)] - **src**: remove usages of GetBackingStore in node-api (Keyhan Vakil) [#44075](https://github.com/nodejs/node/pull/44075)
+* \[[`34a92d15b7`](https://github.com/nodejs/node/commit/34a92d15b7)] - **src**: remove usages of GetBackingStore in modules (Keyhan Vakil) [#44076](https://github.com/nodejs/node/pull/44076)
+* \[[`ddf9c165d1`](https://github.com/nodejs/node/commit/ddf9c165d1)] - **src**: remove usages of GetBackingStore in WASI (Keyhan Vakil) [#44077](https://github.com/nodejs/node/pull/44077)
+* \[[`43e8be03b6`](https://github.com/nodejs/node/commit/43e8be03b6)] - **src**: remove usages of GetBackingStore in startup (Keyhan Vakil) [#44078](https://github.com/nodejs/node/pull/44078)
+* \[[`975931dad5`](https://github.com/nodejs/node/commit/975931dad5)] - **src**: nest namespace report in namespace node (Chengzhong Wu) [#44069](https://github.com/nodejs/node/pull/44069)
+* \[[`b935c4f1c9`](https://github.com/nodejs/node/commit/b935c4f1c9)] - **src**: use a typed array internally for process.\_exiting (Darshan Sen) [#43883](https://github.com/nodejs/node/pull/43883)
+* \[[`6343e1d110`](https://github.com/nodejs/node/commit/6343e1d110)] - **src**: fix bug in GetErrorSource() (Tobias Nießen) [#44019](https://github.com/nodejs/node/pull/44019)
+* \[[`b4677f74fa`](https://github.com/nodejs/node/commit/b4677f74fa)] - **src**: fix to use replacement character (Kohei Ueno) [#43999](https://github.com/nodejs/node/pull/43999)
+* \[[`11960235ed`](https://github.com/nodejs/node/commit/11960235ed)] - **src**: improve SPKAC::ExportChallenge() (Tobias Nießen) [#44002](https://github.com/nodejs/node/pull/44002)
+* \[[`ca24eace1c`](https://github.com/nodejs/node/commit/ca24eace1c)] - **src**: fix typo in src/README.md (Anna Henningsen) [#44009](https://github.com/nodejs/node/pull/44009)
+* \[[`2c44730d97`](https://github.com/nodejs/node/commit/2c44730d97)] - **src**: remove unnecessary cast in crypto\_sig.cc (Tobias Nießen) [#44001](https://github.com/nodejs/node/pull/44001)
+* \[[`08f6f1c5b0`](https://github.com/nodejs/node/commit/08f6f1c5b0)] - **src,buffer**: remove unused chars\_written parameter (Keyhan Vakil) [#44092](https://github.com/nodejs/node/pull/44092)
+* \[[`40ef04c740`](https://github.com/nodejs/node/commit/40ef04c740)] - **src,fs**: refactor duplicated code in fs.readdir (Daeyeon Jeong) [#43204](https://github.com/nodejs/node/pull/43204)
+* \[[`63b5c49871`](https://github.com/nodejs/node/commit/63b5c49871)] - **src,lib**: print prinstine source when source map source not found (Chengzhong Wu) [#44052](https://github.com/nodejs/node/pull/44052)
+* \[[`f7a6235609`](https://github.com/nodejs/node/commit/f7a6235609)] - **(SEMVER-MINOR)** **src,lib**: print source map error source on demand (Chengzhong Wu) [#43875](https://github.com/nodejs/node/pull/43875)
+* \[[`0e67128e6c`](https://github.com/nodejs/node/commit/0e67128e6c)] - **src,test**: fix typos (SADIK KUZU) [#44110](https://github.com/nodejs/node/pull/44110)
+* \[[`96c3373dbe`](https://github.com/nodejs/node/commit/96c3373dbe)] - **stream**: improve views validation on `BYOBRequest` (Daeyeon Jeong) [#44155](https://github.com/nodejs/node/pull/44155)
+* \[[`e057480e2c`](https://github.com/nodejs/node/commit/e057480e2c)] - **stream**: update TextEncoderStream to align the latest spec (Kohei Ueno) [#44101](https://github.com/nodejs/node/pull/44101)
+* \[[`900c4c03b9`](https://github.com/nodejs/node/commit/900c4c03b9)] - **test**: reduce http-server-request-timeouts-mixed flakiness (Nick Sia) [#44169](https://github.com/nodejs/node/pull/44169)
+* \[[`a82e7683ed`](https://github.com/nodejs/node/commit/a82e7683ed)] - **test**: remove cjs loader from stack traces (Geoffrey Booth) [#44197](https://github.com/nodejs/node/pull/44197)
+* \[[`64300a6ce4`](https://github.com/nodejs/node/commit/64300a6ce4)] - **test**: add filesystem check to `test-fs-stat-date.mjs` (Livia Medeiros) [#44174](https://github.com/nodejs/node/pull/44174)
+* \[[`ee394f3adc`](https://github.com/nodejs/node/commit/ee394f3adc)] - **test**: mark connection leak test flaky on IBM i (Richard Lau) [#44215](https://github.com/nodejs/node/pull/44215)
+* \[[`b0e3e69686`](https://github.com/nodejs/node/commit/b0e3e69686)] - **test**: use `mustSucceed` instead of `mustCall` with `assert.ifError` (MURAKAMI Masahiko) [#44196](https://github.com/nodejs/node/pull/44196)
+* \[[`c5c3c5ead8`](https://github.com/nodejs/node/commit/c5c3c5ead8)] - **test**: update WPT runner (Filip Skokan) [#43455](https://github.com/nodejs/node/pull/43455)
+* \[[`7104210024`](https://github.com/nodejs/node/commit/7104210024)] - **test**: update wpt url status (Kohei Ueno) [#44175](https://github.com/nodejs/node/pull/44175)
+* \[[`fad0630c73`](https://github.com/nodejs/node/commit/fad0630c73)] - **test**: update wasm/jsapi web platform tests (Yagiz Nizipli) [#44100](https://github.com/nodejs/node/pull/44100)
+* \[[`ba1915dfb2`](https://github.com/nodejs/node/commit/ba1915dfb2)] - **test**: update hr-time web platform tests (Yagiz Nizipli) [#44100](https://github.com/nodejs/node/pull/44100)
+* \[[`bcb94aad53`](https://github.com/nodejs/node/commit/bcb94aad53)] - **test**: update console web platform tests (Yagiz Nizipli) [#44100](https://github.com/nodejs/node/pull/44100)
+* \[[`fcd5f7a235`](https://github.com/nodejs/node/commit/fcd5f7a235)] - **test**: move tests with many workers to sequential (Keyhan Vakil) [#44139](https://github.com/nodejs/node/pull/44139)
+* \[[`7007a9fd1b`](https://github.com/nodejs/node/commit/7007a9fd1b)] - **test**: deflake gc-http-client tests by restricting number of requests (Nick Sia) [#44146](https://github.com/nodejs/node/pull/44146)
+* \[[`41ecf71a27`](https://github.com/nodejs/node/commit/41ecf71a27)] - **test**: move test-vm-break-on-sigint to sequential (Keyhan Vakil) [#44140](https://github.com/nodejs/node/pull/44140)
+* \[[`c75c478a28`](https://github.com/nodejs/node/commit/c75c478a28)] - **test**: remove test-http-client-response-timeout flaky designation (Luigi Pinca) [#44145](https://github.com/nodejs/node/pull/44145)
+* \[[`1598894886`](https://github.com/nodejs/node/commit/1598894886)] - **test**: s390x z15 accelerated zlib fixes (Adam Majer) [#44117](https://github.com/nodejs/node/pull/44117)
+* \[[`9fc95349c6`](https://github.com/nodejs/node/commit/9fc95349c6)] - **test**: tune down parallelism for some flaky tests (Keyhan Vakil) [#44090](https://github.com/nodejs/node/pull/44090)
+* \[[`02e10a5512`](https://github.com/nodejs/node/commit/02e10a5512)] - **(SEMVER-MINOR)** **test**: test snapshotting TypeScript compiler (Joyee Cheung) [#38905](https://github.com/nodejs/node/pull/38905)
+* \[[`c5e04c5ca7`](https://github.com/nodejs/node/commit/c5e04c5ca7)] - **(SEMVER-MINOR)** **test**: add UMD module test with marked (Joyee Cheung) [#38905](https://github.com/nodejs/node/pull/38905)
+* \[[`f27e003e22`](https://github.com/nodejs/node/commit/f27e003e22)] - **test**: fix `internet/test-inspector-help-page` (Daeyeon Jeong) [#44025](https://github.com/nodejs/node/pull/44025)
+* \[[`f88231815a`](https://github.com/nodejs/node/commit/f88231815a)] - **test**: remove duplicate test (Luigi Pinca) [#44051](https://github.com/nodejs/node/pull/44051)
+* \[[`cbc118998a`](https://github.com/nodejs/node/commit/cbc118998a)] - **test**: refactor ESM tests to improve performance (Jacob Smith) [#43784](https://github.com/nodejs/node/pull/43784)
+* \[[`373523b15f`](https://github.com/nodejs/node/commit/373523b15f)] - **test**: remove test-gc-http-client-timeout from flaky list (Feng Yu) [#43971](https://github.com/nodejs/node/pull/43971)
+* \[[`c939e19620`](https://github.com/nodejs/node/commit/c939e19620)] - **test**: reduce loop times for preventing test from timeout (theanarkh) [#43981](https://github.com/nodejs/node/pull/43981)
+* \[[`62a0a4ce7e`](https://github.com/nodejs/node/commit/62a0a4ce7e)] - **test**: fix test-cluster-concurrent-disconnect (Daeyeon Jeong) [#43961](https://github.com/nodejs/node/pull/43961)
+* \[[`f6a7019742`](https://github.com/nodejs/node/commit/f6a7019742)] - **test**: change misleading variable name (Tobias Nießen) [#43990](https://github.com/nodejs/node/pull/43990)
+* \[[`2f2ea4bd7e`](https://github.com/nodejs/node/commit/2f2ea4bd7e)] - **test,crypto**: update WebCryptoAPI WPT (Filip Skokan) [#44223](https://github.com/nodejs/node/pull/44223)
+* \[[`a36befa3de`](https://github.com/nodejs/node/commit/a36befa3de)] - **test\_runner**: refactor to use more primordials (Antoine du Hamel) [#44062](https://github.com/nodejs/node/pull/44062)
+* \[[`b45ad007a3`](https://github.com/nodejs/node/commit/b45ad007a3)] - **test\_runner**: verbous error when entire test tree is canceled (Moshe Atlow) [#44060](https://github.com/nodejs/node/pull/44060)
+* \[[`45f580fc32`](https://github.com/nodejs/node/commit/45f580fc32)] - **test\_runner**: empty pending tests queue post running (Moshe Atlow) [#44059](https://github.com/nodejs/node/pull/44059)
+* \[[`d8a03cce36`](https://github.com/nodejs/node/commit/d8a03cce36)] - **test\_runner**: add before/after/each hooks (Moshe Atlow) [#43730](https://github.com/nodejs/node/pull/43730)
+* \[[`24baa87957`](https://github.com/nodejs/node/commit/24baa87957)] - **test\_runner**: fix top level `describe` queuing (Moshe Atlow) [#43998](https://github.com/nodejs/node/pull/43998)
+* \[[`e2a3bf3c76`](https://github.com/nodejs/node/commit/e2a3bf3c76)] - **test\_runner**: graceful termination on `--test` only (Moshe Atlow) [#43977](https://github.com/nodejs/node/pull/43977)
+* \[[`ad1a82368d`](https://github.com/nodejs/node/commit/ad1a82368d)] - **test\_runner**: validate `concurrency` option (Antoine du Hamel) [#43976](https://github.com/nodejs/node/pull/43976)
+* \[[`3abea4d570`](https://github.com/nodejs/node/commit/3abea4d570)] - **tools**: update lint-md-dependencies to rollup\@2.77.3 (Node.js GitHub Bot) [#44230](https://github.com/nodejs/node/pull/44230)
+* \[[`3adecada01`](https://github.com/nodejs/node/commit/3adecada01)] - **tools**: update eslint to 8.21.0 (Node.js GitHub Bot) [#44162](https://github.com/nodejs/node/pull/44162)
+* \[[`2a38896454`](https://github.com/nodejs/node/commit/2a38896454)] - **tools**: update lint-md-dependencies to @rollup/plugin-commonjs\@22.0.2 (Node.js GitHub Bot) [#44160](https://github.com/nodejs/node/pull/44160)
+* \[[`6c4b2e0cf4`](https://github.com/nodejs/node/commit/6c4b2e0cf4)] - **tools**: update undici CPE in vuln checking script (Facundo Tuesca) [#44128](https://github.com/nodejs/node/pull/44128)
+* \[[`65887b65ca`](https://github.com/nodejs/node/commit/65887b65ca)] - **tools**: update lint-md-dependencies to rollup\@2.77.2 (Node.js GitHub Bot) [#44064](https://github.com/nodejs/node/pull/44064)
+* \[[`091d015375`](https://github.com/nodejs/node/commit/091d015375)] - **tools**: add verbose flag to find-inactive-collaborators (Rich Trott) [#43964](https://github.com/nodejs/node/pull/43964)
+
 
 
 ## 2022-07-26, Version 18.7.0 (Current), @danielleadams
diff --git a/src/node_version.h b/src/node_version.h
index f726746de5ea8c..7cc9d2bbc12577 100644
--- a/src/node_version.h
+++ b/src/node_version.h
@@ -23,13 +23,13 @@
 #define SRC_NODE_VERSION_H_
 
 #define NODE_MAJOR_VERSION 18
-#define NODE_MINOR_VERSION 7
-#define NODE_PATCH_VERSION 1
+#define NODE_MINOR_VERSION 8
+#define NODE_PATCH_VERSION 0
 
 #define NODE_VERSION_IS_LTS 0
 #define NODE_VERSION_LTS_CODENAME ""
 
-#define NODE_VERSION_IS_RELEASE 0
+#define NODE_VERSION_IS_RELEASE 1
 
 #ifndef NODE_STRINGIFY
 #define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)